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Feature/sync lwip as submodule

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This commit is contained in:
Zhang Yan Jiao
2018-09-06 19:43:08 +08:00
committed by Jiang Jiang Jian
parent de0e9a1e05
commit 3578fe39e0
209 changed files with 81 additions and 84047 deletions
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0
components/lwip/include/lwip/apps/dhcpserver.h → components/lwip/include/apps/dhcpserver/dhcpserver.h
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0
components/lwip/include/lwip/apps/dhcpserver_options.h → components/lwip/include/apps/dhcpserver/dhcpserver_options.h
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106
components/lwip/include/apps/ping/esp_ping.h Normal file
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@@ -0,0 +1,106 @@
// Copyright 2015-2016 Espressif Systems (Shanghai) PTE LTD
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#ifndef ESP_PING_H_
#define ESP_PING_H_
#include "esp_err.h"
#ifdef __cplusplus
extern "C" {
#endif
#define ESP_ERR_PING_BASE 0x6000
#define ESP_ERR_PING_INVALID_PARAMS ESP_ERR_PING_BASE + 0x01
#define ESP_ERR_PING_NO_MEM ESP_ERR_PING_BASE + 0x02
#define ESP_PING_CHECK_OPTLEN(optlen, opttype) do { if ((optlen) < sizeof(opttype)) { return ESP_ERR_PING_INVALID_PARAMS; }}while(0)
typedef struct _ping_found {
uint32_t resp_time;
uint32_t timeout_count;
uint32_t send_count;
uint32_t recv_count;
uint32_t err_count;
uint32_t bytes;
uint32_t total_bytes;
uint32_t total_time;
uint32_t min_time;
uint32_t max_time;
int8_t ping_err;
} esp_ping_found;
typedef enum {
PING_TARGET_IP_ADDRESS = 50, /**< target IP address */
PING_TARGET_IP_ADDRESS_COUNT = 51, /**< target IP address total counter */
PING_TARGET_RCV_TIMEO = 52, /**< receive timeout in milliseconds */
PING_TARGET_DELAY_TIME = 53, /**< delay time in milliseconds */
PING_TARGET_ID = 54, /**< identifier */
PING_TARGET_RES_FN = 55, /**< ping result callback function */
PING_TARGET_RES_RESET = 56 /**< ping result statistic reset */
} ping_target_id_t;
typedef enum {
PING_RES_TIMEOUT = 0,
PING_RES_OK = 1,
PING_RES_FINISH = 2,
} ping_res_t;
typedef void (* esp_ping_found_fn)(ping_target_id_t found_id, esp_ping_found *found_val);
/**
* @brief Set PING function option
*
* @param[in] opt_id: option index, 50 for IP, 51 for COUNT, 52 for RCV TIMEOUT, 53 for DELAY TIME, 54 for ID
* @param[in] opt_val: option parameter
* @param[in] opt_len: option length
*
* @return
* - ESP_OK
* - ESP_ERR_PING_INVALID_PARAMS
*/
esp_err_t esp_ping_set_target(ping_target_id_t opt_id, void *opt_val, uint32_t opt_len);
/**
* @brief Get PING function option
*
* @param[in] opt_id: option index, 50 for IP, 51 for COUNT, 52 for RCV TIMEOUT, 53 for DELAY TIME, 54 for ID
* @param[in] opt_val: option parameter
* @param[in] opt_len: option length
*
* @return
* - ESP_OK
* - ESP_ERR_PING_INVALID_PARAMS
*/
esp_err_t esp_ping_get_target(ping_target_id_t opt_id, void *opt_val, uint32_t opt_len);
/**
* @brief Get PING function result action
*
* @param[in] res_val: ping function action, 1 for successful, 0 for fail.
* res_len: response bytes
* res_time: response time
*
* @return
* - ESP_OK
* - ESP_ERR_PING_INVALID_PARAMS
*/
esp_err_t esp_ping_result(uint8_t res_val, uint16_t res_len, uint32_t res_time);
#ifdef __cplusplus
}
#endif
#endif /* ESP_PING_H_ */

42
components/lwip/include/lwip/posix/netdb.h → components/lwip/include/apps/ping/ping.h
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@@ -1,9 +1,7 @@
/**
* @file
* This file is a posix wrapper for lwip/netdb.h.
*/
/*
* Copyright (c) 2001-2004 Swedish Institute of Computer Science.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
@@ -30,11 +28,33 @@
*
*/
#include "lwip/netdb.h"
#ifdef ESP_PLATFORM
int getnameinfo(const struct sockaddr *addr, socklen_t addrlen,
char *host, socklen_t hostlen,
char *serv, socklen_t servlen, int flags);
#ifndef LWIP_PING_H
#define LWIP_PING_H
#ifdef __cplusplus
extern "C" {
#endif
/**
* PING_USE_SOCKETS: Set to 1 to use sockets, otherwise the raw api is used
*/
#ifndef PING_USE_SOCKETS
#define PING_USE_SOCKETS LWIP_SOCKET
#endif
int ping_init(void);
#ifdef ESP_PING
void ping_deinit(void);
#endif
#if !PING_USE_SOCKETS
void ping_send_now(void);
#endif /* !PING_USE_SOCKETS */
#ifdef __cplusplus
}
#endif
#endif /* LWIP_PING_H */

71
components/lwip/include/lwip/apps/sntp/sntp.h
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@@ -1,71 +0,0 @@
/*
* Copyright (c) 2007-2009 Frédéric Bernon, Simon Goldschmidt
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* This file is part of the lwIP TCP/IP stack.
*
* Author: Frédéric Bernon, Simon Goldschmidt
*
*/
#ifndef LWIP_HDR_APPS_SNTP_H
#define LWIP_HDR_APPS_SNTP_H
#include "apps/sntp/sntp_opts.h"
#include "lwip/ip_addr.h"
#ifdef __cplusplus
extern "C" {
#endif
/* SNTP operating modes: default is to poll using unicast.
The mode has to be set before calling sntp_init(). */
#define SNTP_OPMODE_POLL 0
#define SNTP_OPMODE_LISTENONLY 1
void sntp_setoperatingmode(u8_t operating_mode);
u8_t sntp_getoperatingmode(void);
void sntp_init(void);
void sntp_stop(void);
u8_t sntp_enabled(void);
void sntp_setserver(u8_t idx, const ip_addr_t *addr);
ip_addr_t sntp_getserver(u8_t idx);
#if SNTP_SERVER_DNS
void sntp_setservername(u8_t idx, char *server);
char *sntp_getservername(u8_t idx);
#endif /* SNTP_SERVER_DNS */
#if SNTP_GET_SERVERS_FROM_DHCP
void sntp_servermode_dhcp(int set_servers_from_dhcp);
#else /* SNTP_GET_SERVERS_FROM_DHCP */
#define sntp_servermode_dhcp(x)
#endif /* SNTP_GET_SERVERS_FROM_DHCP */
#ifdef __cplusplus
}
#endif
#endif /* LWIP_HDR_APPS_SNTP_H */

159
components/lwip/include/lwip/apps/sntp/sntp_opts.h
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@@ -1,159 +0,0 @@
/*
* Copyright (c) 2007-2009 Frédéric Bernon, Simon Goldschmidt
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* This file is part of the lwIP TCP/IP stack.
*
* Author: Frédéric Bernon, Simon Goldschmidt
*
*/
#ifndef LWIP_HDR_APPS_SNTP_OPTS_H
#define LWIP_HDR_APPS_SNTP_OPTS_H
#include "lwip/opt.h"
/** SNTP macro to change system time in seconds
* Define SNTP_SET_SYSTEM_TIME_US(sec, us) to set the time in microseconds instead of this one
* if you need the additional precision.
*/
#ifndef SNTP_SET_SYSTEM_TIME
#define SNTP_SET_SYSTEM_TIME(sec) LWIP_UNUSED_ARG(sec)
#endif
/** The maximum number of SNTP servers that can be set */
#ifndef SNTP_MAX_SERVERS
#define SNTP_MAX_SERVERS LWIP_DHCP_MAX_NTP_SERVERS
#endif
/** Set this to 1 to implement the callback function called by dhcp when
* NTP servers are received. */
#ifndef SNTP_GET_SERVERS_FROM_DHCP
#define SNTP_GET_SERVERS_FROM_DHCP LWIP_DHCP_GET_NTP_SRV
#endif
/* Set this to 1 to support DNS names (or IP address strings) to set sntp servers */
#ifndef SNTP_SERVER_DNS
#define SNTP_SERVER_DNS 1
#endif
/** One server address/name can be defined as default if SNTP_SERVER_DNS == 1:
* #define SNTP_SERVER_ADDRESS "pool.ntp.org"
*/
/**
* SNTP_DEBUG: Enable debugging for SNTP.
*/
#ifndef SNTP_DEBUG
#define SNTP_DEBUG LWIP_DBG_OFF
#endif
/** SNTP server port */
#ifndef SNTP_PORT
#define SNTP_PORT 123
#endif
/** Set this to 1 to allow config of SNTP server(s) by DNS name */
#ifndef SNTP_SERVER_DNS
#define SNTP_SERVER_DNS 0
#endif
/** Sanity check:
* Define this to
* - 0 to turn off sanity checks (default; smaller code)
* - >= 1 to check address and port of the response packet to ensure the
* response comes from the server we sent the request to.
* - >= 2 to check returned Originate Timestamp against Transmit Timestamp
* sent to the server (to ensure response to older request).
* - >= 3 @todo: discard reply if any of the LI, Stratum, or Transmit Timestamp
* fields is 0 or the Mode field is not 4 (unicast) or 5 (broadcast).
* - >= 4 @todo: to check that the Root Delay and Root Dispersion fields are each
* greater than or equal to 0 and less than infinity, where infinity is
* currently a cozy number like one second. This check avoids using a
* server whose synchronization source has expired for a very long time.
*/
#ifndef SNTP_CHECK_RESPONSE
#define SNTP_CHECK_RESPONSE 0
#endif
/** According to the RFC, this shall be a random delay
* between 1 and 5 minutes (in milliseconds) to prevent load peaks.
* This can be defined to a random generation function,
* which must return the delay in milliseconds as u32_t.
* Turned off by default.
*/
#ifndef SNTP_STARTUP_DELAY
#define SNTP_STARTUP_DELAY 0
#endif
/** If you want the startup delay to be a function, define this
* to a function (including the brackets) and define SNTP_STARTUP_DELAY to 1.
*/
#ifndef SNTP_STARTUP_DELAY_FUNC
#define SNTP_STARTUP_DELAY_FUNC SNTP_STARTUP_DELAY
#endif
/** SNTP receive timeout - in milliseconds
* Also used as retry timeout - this shouldn't be too low.
* Default is 3 seconds.
*/
#ifndef SNTP_RECV_TIMEOUT
#define SNTP_RECV_TIMEOUT 3000
#endif
/** SNTP update delay - in milliseconds
* Default is 1 hour. Must not be beolw 15 seconds by specification (i.e. 15000)
*/
#ifndef SNTP_UPDATE_DELAY
#define SNTP_UPDATE_DELAY 3600000
#endif
/** SNTP macro to get system time, used with SNTP_CHECK_RESPONSE >= 2
* to send in request and compare in response.
*/
#ifndef SNTP_GET_SYSTEM_TIME
#define SNTP_GET_SYSTEM_TIME(sec, us) do { (sec) = 0; (us) = 0; } while(0)
#endif
/** Default retry timeout (in milliseconds) if the response
* received is invalid.
* This is doubled with each retry until SNTP_RETRY_TIMEOUT_MAX is reached.
*/
#ifndef SNTP_RETRY_TIMEOUT
#define SNTP_RETRY_TIMEOUT SNTP_RECV_TIMEOUT
#endif
/** Maximum retry timeout (in milliseconds). */
#ifndef SNTP_RETRY_TIMEOUT_MAX
#define SNTP_RETRY_TIMEOUT_MAX (SNTP_RETRY_TIMEOUT * 10)
#endif
/** Increase retry timeout with every retry sent
* Default is on to conform to RFC.
*/
#ifndef SNTP_RETRY_TIMEOUT_EXP
#define SNTP_RETRY_TIMEOUT_EXP 1
#endif
#endif /* LWIP_HDR_APPS_SNTP_OPTS_H */

364
components/lwip/include/lwip/lwip/api.h
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@@ -1,364 +0,0 @@
/*
* Copyright (c) 2001-2004 Swedish Institute of Computer Science.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* This file is part of the lwIP TCP/IP stack.
*
* Author: Adam Dunkels <adam@sics.se>
*
*/
#ifndef LWIP_HDR_API_H
#define LWIP_HDR_API_H
#include "lwip/opt.h"
#if LWIP_NETCONN || LWIP_SOCKET /* don't build if not configured for use in lwipopts.h */
/* Note: Netconn API is always available when sockets are enabled -
* sockets are implemented on top of them */
#include <stddef.h> /* for size_t */
#include "lwip/netbuf.h"
#include "lwip/sys.h"
#include "lwip/ip_addr.h"
#include "lwip/err.h"
#ifdef __cplusplus
extern "C" {
#endif
/* Throughout this file, IP addresses and port numbers are expected to be in
* the same byte order as in the corresponding pcb.
*/
/* Flags for netconn_write (u8_t) */
#define NETCONN_NOFLAG 0x00
#define NETCONN_NOCOPY 0x00 /* Only for source code compatibility */
#define NETCONN_COPY 0x01
#define NETCONN_MORE 0x02
#define NETCONN_DONTBLOCK 0x04
/* Flags for struct netconn.flags (u8_t) */
/** Should this netconn avoid blocking? */
#define NETCONN_FLAG_NON_BLOCKING 0x02
/** Was the last connect action a non-blocking one? */
#define NETCONN_FLAG_IN_NONBLOCKING_CONNECT 0x04
/** If this is set, a TCP netconn must call netconn_recved() to update
the TCP receive window (done automatically if not set). */
#define NETCONN_FLAG_NO_AUTO_RECVED 0x08
/** If a nonblocking write has been rejected before, poll_tcp needs to
check if the netconn is writable again */
#define NETCONN_FLAG_CHECK_WRITESPACE 0x10
#if LWIP_IPV6
/** If this flag is set then only IPv6 communication is allowed on the
netconn. As per RFC#3493 this features defaults to OFF allowing
dual-stack usage by default. */
#define NETCONN_FLAG_IPV6_V6ONLY 0x20
#endif /* LWIP_IPV6 */
/* Helpers to process several netconn_types by the same code */
#define NETCONNTYPE_GROUP(t) ((t)&0xF0)
#define NETCONNTYPE_DATAGRAM(t) ((t)&0xE0)
#if LWIP_IPV6
#define NETCONN_TYPE_IPV6 0x08
#define NETCONNTYPE_ISIPV6(t) (((t)&NETCONN_TYPE_IPV6) != 0)
#define NETCONNTYPE_ISUDPLITE(t) (((t)&0xF3) == NETCONN_UDPLITE)
#define NETCONNTYPE_ISUDPNOCHKSUM(t) (((t)&0xF3) == NETCONN_UDPNOCHKSUM)
#else /* LWIP_IPV6 */
#define NETCONNTYPE_ISUDPLITE(t) ((t) == NETCONN_UDPLITE)
#define NETCONNTYPE_ISUDPNOCHKSUM(t) ((t) == NETCONN_UDPNOCHKSUM)
#endif /* LWIP_IPV6 */
/** Protocol family and type of the netconn */
enum netconn_type {
NETCONN_INVALID = 0,
/* NETCONN_TCP Group */
NETCONN_TCP = 0x10,
#if LWIP_IPV6
NETCONN_TCP_IPV6 = NETCONN_TCP | NETCONN_TYPE_IPV6 /* 0x18 */,
#endif /* LWIP_IPV6 */
/* NETCONN_UDP Group */
NETCONN_UDP = 0x20,
NETCONN_UDPLITE = 0x21,
NETCONN_UDPNOCHKSUM = 0x22,
#if LWIP_IPV6
NETCONN_UDP_IPV6 = NETCONN_UDP | NETCONN_TYPE_IPV6 /* 0x28 */,
NETCONN_UDPLITE_IPV6 = NETCONN_UDPLITE | NETCONN_TYPE_IPV6 /* 0x29 */,
NETCONN_UDPNOCHKSUM_IPV6 = NETCONN_UDPNOCHKSUM | NETCONN_TYPE_IPV6 /* 0x2a */,
#endif /* LWIP_IPV6 */
/* NETCONN_RAW Group */
NETCONN_RAW = 0x40
#if LWIP_IPV6
, NETCONN_RAW_IPV6 = NETCONN_RAW | NETCONN_TYPE_IPV6 /* 0x48 */
#endif /* LWIP_IPV6 */
};
/** Current state of the netconn. Non-TCP netconns are always
* in state NETCONN_NONE! */
enum netconn_state {
NETCONN_NONE,
NETCONN_WRITE,
NETCONN_LISTEN,
NETCONN_CONNECT,
NETCONN_CLOSE
};
/** Use to inform the callback function about changes */
enum netconn_evt {
NETCONN_EVT_RCVPLUS,
NETCONN_EVT_RCVMINUS,
NETCONN_EVT_SENDPLUS,
NETCONN_EVT_SENDMINUS,
NETCONN_EVT_ERROR
};
#if LWIP_IGMP || (LWIP_IPV6 && LWIP_IPV6_MLD)
/** Used for netconn_join_leave_group() */
enum netconn_igmp {
NETCONN_JOIN,
NETCONN_LEAVE
};
#endif /* LWIP_IGMP || (LWIP_IPV6 && LWIP_IPV6_MLD) */
#if LWIP_DNS
/* Used for netconn_gethostbyname_addrtype(), these should match the DNS_ADDRTYPE defines in dns.h */
#define NETCONN_DNS_DEFAULT NETCONN_DNS_IPV4_IPV6
#define NETCONN_DNS_IPV4 0
#define NETCONN_DNS_IPV6 1
#define NETCONN_DNS_IPV4_IPV6 2 /* try to resolve IPv4 first, try IPv6 if IPv4 fails only */
#define NETCONN_DNS_IPV6_IPV4 3 /* try to resolve IPv6 first, try IPv4 if IPv6 fails only */
#endif /* LWIP_DNS */
/* forward-declare some structs to avoid to include their headers */
struct ip_pcb;
struct tcp_pcb;
struct udp_pcb;
struct raw_pcb;
struct netconn;
struct api_msg_msg;
/** A callback prototype to inform about events for a netconn */
typedef void (* netconn_callback)(struct netconn *, enum netconn_evt, u16_t len);
/** A netconn descriptor */
struct netconn {
/** type of the netconn (TCP, UDP or RAW) */
enum netconn_type type;
/** current state of the netconn */
enum netconn_state state;
/** the lwIP internal protocol control block */
union {
struct ip_pcb *ip;
struct tcp_pcb *tcp;
struct udp_pcb *udp;
struct raw_pcb *raw;
} pcb;
/** the last error this netconn had */
err_t last_err;
#if !LWIP_NETCONN_SEM_PER_THREAD
/** sem that is used to synchronously execute functions in the core context */
sys_sem_t op_completed;
#endif
/** mbox where received packets are stored until they are fetched
by the netconn application thread (can grow quite big) */
sys_mbox_t recvmbox;
#if LWIP_TCP
/** mbox where new connections are stored until processed
by the application thread */
sys_mbox_t acceptmbox;
#endif /* LWIP_TCP */
/** only used for socket layer */
#if LWIP_SOCKET
int socket;
#endif /* LWIP_SOCKET */
#if LWIP_SO_SNDTIMEO
/** timeout to wait for sending data (which means enqueueing data for sending
in internal buffers) in milliseconds */
s32_t send_timeout;
#endif /* LWIP_SO_RCVTIMEO */
#if LWIP_SO_RCVTIMEO
/** timeout in milliseconds to wait for new data to be received
(or connections to arrive for listening netconns) */
int recv_timeout;
#endif /* LWIP_SO_RCVTIMEO */
#if LWIP_SO_RCVBUF
/** maximum amount of bytes queued in recvmbox
not used for TCP: adjust TCP_WND instead! */
int recv_bufsize;
/** number of bytes currently in recvmbox to be received,
tested against recv_bufsize to limit bytes on recvmbox
for UDP and RAW, used for FIONREAD */
int recv_avail;
#endif /* LWIP_SO_RCVBUF */
#if LWIP_SO_LINGER
/** values <0 mean linger is disabled, values > 0 are seconds to linger */
s16_t linger;
#endif /* LWIP_SO_LINGER */
/** flags holding more netconn-internal state, see NETCONN_FLAG_* defines */
u8_t flags;
#if LWIP_TCP
/** TCP: when data passed to netconn_write doesn't fit into the send buffer,
this temporarily stores how much is already sent. */
size_t write_offset;
/** TCP: when data passed to netconn_write doesn't fit into the send buffer,
this temporarily stores the message.
Also used during connect and close. */
struct api_msg_msg *current_msg;
#endif /* LWIP_TCP */
/** A callback function that is informed about events for this netconn */
netconn_callback callback;
};
/** Register an Network connection event */
#define API_EVENT(c,e,l) if (c->callback) { \
(*c->callback)(c, e, l); \
}
/** Set conn->last_err to err but don't overwrite fatal errors */
#define NETCONN_SET_SAFE_ERR(conn, err) do { if ((conn) != NULL) { \
SYS_ARCH_DECL_PROTECT(netconn_set_safe_err_lev); \
SYS_ARCH_PROTECT(netconn_set_safe_err_lev); \
if (!ERR_IS_FATAL((conn)->last_err)) { \
(conn)->last_err = err; \
} \
SYS_ARCH_UNPROTECT(netconn_set_safe_err_lev); \
}} while(0);
/* Network connection functions: */
#define netconn_new(t) netconn_new_with_proto_and_callback(t, 0, NULL)
#define netconn_new_with_callback(t, c) netconn_new_with_proto_and_callback(t, 0, c)
struct netconn *netconn_new_with_proto_and_callback(enum netconn_type t, u8_t proto,
netconn_callback callback);
err_t netconn_delete(struct netconn *conn);
/** Get the type of a netconn (as enum netconn_type). */
#define netconn_type(conn) (conn->type)
err_t netconn_getaddr(struct netconn *conn, ip_addr_t *addr,
u16_t *port, u8_t local);
#define netconn_peer(c,i,p) netconn_getaddr(c,i,p,0)
#define netconn_addr(c,i,p) netconn_getaddr(c,i,p,1)
err_t netconn_bind(struct netconn *conn, const ip_addr_t *addr, u16_t port);
err_t netconn_connect(struct netconn *conn, const ip_addr_t *addr, u16_t port);
err_t netconn_disconnect (struct netconn *conn);
err_t netconn_listen_with_backlog(struct netconn *conn, u8_t backlog);
#define netconn_listen(conn) netconn_listen_with_backlog(conn, TCP_DEFAULT_LISTEN_BACKLOG)
err_t netconn_accept(struct netconn *conn, struct netconn **new_conn);
err_t netconn_recv(struct netconn *conn, struct netbuf **new_buf);
err_t netconn_recv_tcp_pbuf(struct netconn *conn, struct pbuf **new_buf);
void netconn_recved(struct netconn *conn, u32_t length);
err_t netconn_sendto(struct netconn *conn, struct netbuf *buf,
const ip_addr_t *addr, u16_t port);
err_t netconn_send(struct netconn *conn, struct netbuf *buf);
err_t netconn_write_partly(struct netconn *conn, const void *dataptr, size_t size,
u8_t apiflags, size_t *bytes_written);
#define netconn_write(conn, dataptr, size, apiflags) \
netconn_write_partly(conn, dataptr, size, apiflags, NULL)
err_t netconn_close(struct netconn *conn);
err_t netconn_shutdown(struct netconn *conn, u8_t shut_rx, u8_t shut_tx);
#if LWIP_IGMP || (LWIP_IPV6 && LWIP_IPV6_MLD)
err_t netconn_join_leave_group(struct netconn *conn, const ip_addr_t *multiaddr,
const ip_addr_t *netif_addr, enum netconn_igmp join_or_leave);
#endif /* LWIP_IGMP || (LWIP_IPV6 && LWIP_IPV6_MLD) */
#if LWIP_DNS
#if LWIP_IPV4 && LWIP_IPV6
err_t netconn_gethostbyname_addrtype(const char *name, ip_addr_t *addr, u8_t dns_addrtype);
#define netconn_gethostbyname(name, addr) netconn_gethostbyname_addrtype(name, addr, NETCONN_DNS_DEFAULT)
#else /* LWIP_IPV4 && LWIP_IPV6 */
err_t netconn_gethostbyname(const char *name, ip_addr_t *addr);
#define netconn_gethostbyname_addrtype(name, addr, dns_addrtype) netconn_gethostbyname(name, addr)
#endif /* LWIP_IPV4 && LWIP_IPV6 */
#endif /* LWIP_DNS */
#define netconn_err(conn) ((conn)->last_err)
#define netconn_recv_bufsize(conn) ((conn)->recv_bufsize)
/** Set the blocking status of netconn calls (@todo: write/send is missing) */
#define netconn_set_nonblocking(conn, val) do { if(val) { \
(conn)->flags |= NETCONN_FLAG_NON_BLOCKING; \
} else { \
(conn)->flags &= ~ NETCONN_FLAG_NON_BLOCKING; }} while(0)
/** Get the blocking status of netconn calls (@todo: write/send is missing) */
#define netconn_is_nonblocking(conn) (((conn)->flags & NETCONN_FLAG_NON_BLOCKING) != 0)
/** TCP: Set the no-auto-recved status of netconn calls (see NETCONN_FLAG_NO_AUTO_RECVED) */
#define netconn_set_noautorecved(conn, val) do { if(val) { \
(conn)->flags |= NETCONN_FLAG_NO_AUTO_RECVED; \
} else { \
(conn)->flags &= ~ NETCONN_FLAG_NO_AUTO_RECVED; }} while(0)
/** TCP: Get the no-auto-recved status of netconn calls (see NETCONN_FLAG_NO_AUTO_RECVED) */
#define netconn_get_noautorecved(conn) (((conn)->flags & NETCONN_FLAG_NO_AUTO_RECVED) != 0)
#if LWIP_IPV6
/** TCP: Set the IPv6 ONLY status of netconn calls (see NETCONN_FLAG_IPV6_V6ONLY) */
#define netconn_set_ipv6only(conn, val) do { if(val) { \
(conn)->flags |= NETCONN_FLAG_IPV6_V6ONLY; \
} else { \
(conn)->flags &= ~ NETCONN_FLAG_IPV6_V6ONLY; }} while(0)
/** TCP: Get the IPv6 ONLY status of netconn calls (see NETCONN_FLAG_IPV6_V6ONLY) */
#define netconn_get_ipv6only(conn) (((conn)->flags & NETCONN_FLAG_IPV6_V6ONLY) != 0)
#endif /* LWIP_IPV6 */
#if LWIP_SO_SNDTIMEO
/** Set the send timeout in milliseconds */
#define netconn_set_sendtimeout(conn, timeout) ((conn)->send_timeout = (timeout))
/** Get the send timeout in milliseconds */
#define netconn_get_sendtimeout(conn) ((conn)->send_timeout)
#endif /* LWIP_SO_SNDTIMEO */
#if LWIP_SO_RCVTIMEO
/** Set the receive timeout in milliseconds */
#define netconn_set_recvtimeout(conn, timeout) ((conn)->recv_timeout = (timeout))
/** Get the receive timeout in milliseconds */
#define netconn_get_recvtimeout(conn) ((conn)->recv_timeout)
#endif /* LWIP_SO_RCVTIMEO */
#if LWIP_SO_RCVBUF
/** Set the receive buffer in bytes */
#define netconn_set_recvbufsize(conn, recvbufsize) ((conn)->recv_bufsize = (recvbufsize))
/** Get the receive buffer in bytes */
#define netconn_get_recvbufsize(conn) ((conn)->recv_bufsize)
#endif /* LWIP_SO_RCVBUF*/
#if LWIP_NETCONN_SEM_PER_THREAD
void netconn_thread_init(void);
void netconn_thread_cleanup(void);
#else /* LWIP_NETCONN_SEM_PER_THREAD */
#define netconn_thread_init()
#define netconn_thread_cleanup()
#endif /* LWIP_NETCONN_SEM_PER_THREAD */
#ifdef __cplusplus
}
#endif
#endif /* LWIP_NETCONN || LWIP_SOCKET */
#endif /* LWIP_HDR_API_H */

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/*
* Copyright (c) 2001-2004 Swedish Institute of Computer Science.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* This file is part of the lwIP TCP/IP stack.
*
* Author: Adam Dunkels <adam@sics.se>
*
*/
#ifndef LWIP_HDR_ARCH_H
#define LWIP_HDR_ARCH_H
#ifndef LITTLE_ENDIAN
#define LITTLE_ENDIAN 1234
#endif
#ifndef BIG_ENDIAN
#define BIG_ENDIAN 4321
#endif
#include "arch/cc.h"
/** Temporary: define format string for size_t if not defined in cc.h */
#ifndef SZT_F
#define SZT_F U32_F
#endif /* SZT_F */
/** Temporary upgrade helper: define format string for u8_t as hex if not
defined in cc.h */
#ifndef X8_F
#define X8_F "02x"
#endif /* X8_F */
/** C++ const_cast<target_type>(val) equivalent to remove constness from a value (GCC -Wcast-qual) */
#ifndef LWIP_CONST_CAST
#define LWIP_CONST_CAST(target_type, val) ((target_type)((ptrdiff_t)val))
#endif
#ifdef __cplusplus
extern "C" {
#endif
#ifndef PACK_STRUCT_BEGIN
#define PACK_STRUCT_BEGIN
#endif /* PACK_STRUCT_BEGIN */
#ifndef PACK_STRUCT_END
#define PACK_STRUCT_END
#endif /* PACK_STRUCT_END */
#ifndef PACK_STRUCT_STRUCT
#define PACK_STRUCT_STRUCT
#endif /* PACK_STRUCT_STRUCT */
#ifndef PACK_STRUCT_FIELD
#define PACK_STRUCT_FIELD(x) x
#endif /* PACK_STRUCT_FIELD */
/* Used for struct fields of u8_t,
* where some compilers warn that packing is not necessary */
#ifndef PACK_STRUCT_FLD_8
#define PACK_STRUCT_FLD_8(x) PACK_STRUCT_FIELD(x)
#endif /* PACK_STRUCT_FLD_8 */
/* Used for struct fields of that are packed structs themself,
* where some compilers warn that packing is not necessary */
#ifndef PACK_STRUCT_FLD_S
#define PACK_STRUCT_FLD_S(x) PACK_STRUCT_FIELD(x)
#endif /* PACK_STRUCT_FLD_S */
#ifndef LWIP_UNUSED_ARG
#define LWIP_UNUSED_ARG(x) (void)x
#endif /* LWIP_UNUSED_ARG */
#ifdef LWIP_PROVIDE_ERRNO
#define EPERM 1 /* Operation not permitted */
#define ENOENT 2 /* No such file or directory */
#define ESRCH 3 /* No such process */
#define EINTR 4 /* Interrupted system call */
#define EIO 5 /* I/O error */
#define ENXIO 6 /* No such device or address */
#define E2BIG 7 /* Arg list too long */
#define ENOEXEC 8 /* Exec format error */
#define EBADF 9 /* Bad file number */
#define ECHILD 10 /* No child processes */
#define EAGAIN 11 /* Try again */
#define ENOMEM 12 /* Out of memory */
#define EACCES 13 /* Permission denied */
#define EFAULT 14 /* Bad address */
#define ENOTBLK 15 /* Block device required */
#define EBUSY 16 /* Device or resource busy */
#define EEXIST 17 /* File exists */
#define EXDEV 18 /* Cross-device link */
#define ENODEV 19 /* No such device */
#define ENOTDIR 20 /* Not a directory */
#define EISDIR 21 /* Is a directory */
#define EINVAL 22 /* Invalid argument */
#define ENFILE 23 /* File table overflow */
#define EMFILE 24 /* Too many open files */
#define ENOTTY 25 /* Not a typewriter */
#define ETXTBSY 26 /* Text file busy */
#define EFBIG 27 /* File too large */
#define ENOSPC 28 /* No space left on device */
#define ESPIPE 29 /* Illegal seek */
#define EROFS 30 /* Read-only file system */
#define EMLINK 31 /* Too many links */
#define EPIPE 32 /* Broken pipe */
#define EDOM 33 /* Math argument out of domain of func */
#define ERANGE 34 /* Math result not representable */
#define EDEADLK 35 /* Resource deadlock would occur */
#define ENAMETOOLONG 36 /* File name too long */
#define ENOLCK 37 /* No record locks available */
#define ENOSYS 38 /* Function not implemented */
#define ENOTEMPTY 39 /* Directory not empty */
#define ELOOP 40 /* Too many symbolic links encountered */
#define EWOULDBLOCK EAGAIN /* Operation would block */
#define ENOMSG 42 /* No message of desired type */
#define EIDRM 43 /* Identifier removed */
#define ECHRNG 44 /* Channel number out of range */
#define EL2NSYNC 45 /* Level 2 not synchronized */
#define EL3HLT 46 /* Level 3 halted */
#define EL3RST 47 /* Level 3 reset */
#define ELNRNG 48 /* Link number out of range */
#define EUNATCH 49 /* Protocol driver not attached */
#define ENOCSI 50 /* No CSI structure available */
#define EL2HLT 51 /* Level 2 halted */
#define EBADE 52 /* Invalid exchange */
#define EBADR 53 /* Invalid request descriptor */
#define EXFULL 54 /* Exchange full */
#define ENOANO 55 /* No anode */
#define EBADRQC 56 /* Invalid request code */
#define EBADSLT 57 /* Invalid slot */
#define EDEADLOCK EDEADLK
#define EBFONT 59 /* Bad font file format */
#define ENOSTR 60 /* Device not a stream */
#define ENODATA 61 /* No data available */
#define ETIME 62 /* Timer expired */
#define ENOSR 63 /* Out of streams resources */
#define ENONET 64 /* Machine is not on the network */
#define ENOPKG 65 /* Package not installed */
#define EREMOTE 66 /* Object is remote */
#define ENOLINK 67 /* Link has been severed */
#define EADV 68 /* Advertise error */
#define ESRMNT 69 /* Srmount error */
#define ECOMM 70 /* Communication error on send */
#define EPROTO 71 /* Protocol error */
#define EMULTIHOP 72 /* Multihop attempted */
#define EDOTDOT 73 /* RFS specific error */
#define EBADMSG 74 /* Not a data message */
#define EOVERFLOW 75 /* Value too large for defined data type */
#define ENOTUNIQ 76 /* Name not unique on network */
#define EBADFD 77 /* File descriptor in bad state */
#define EREMCHG 78 /* Remote address changed */
#define ELIBACC 79 /* Can not access a needed shared library */
#define ELIBBAD 80 /* Accessing a corrupted shared library */
#define ELIBSCN 81 /* .lib section in a.out corrupted */
#define ELIBMAX 82 /* Attempting to link in too many shared libraries */
#define ELIBEXEC 83 /* Cannot exec a shared library directly */
#define EILSEQ 84 /* Illegal byte sequence */
#define ERESTART 85 /* Interrupted system call should be restarted */
#define ESTRPIPE 86 /* Streams pipe error */
#define EUSERS 87 /* Too many users */
#define ENOTSOCK 88 /* Socket operation on non-socket */
#define EDESTADDRREQ 89 /* Destination address required */
#define EMSGSIZE 90 /* Message too long */
#define EPROTOTYPE 91 /* Protocol wrong type for socket */
#define ENOPROTOOPT 92 /* Protocol not available */
#define EPROTONOSUPPORT 93 /* Protocol not supported */
#define ESOCKTNOSUPPORT 94 /* Socket type not supported */
#define EOPNOTSUPP 95 /* Operation not supported on transport endpoint */
#define EPFNOSUPPORT 96 /* Protocol family not supported */
#define EAFNOSUPPORT 97 /* Address family not supported by protocol */
#define EADDRINUSE 98 /* Address already in use */
#define EADDRNOTAVAIL 99 /* Cannot assign requested address */
#define ENETDOWN 100 /* Network is down */
#define ENETUNREACH 101 /* Network is unreachable */
#define ENETRESET 102 /* Network dropped connection because of reset */
#define ECONNABORTED 103 /* Software caused connection abort */
#define ECONNRESET 104 /* Connection reset by peer */
#define ENOBUFS 105 /* No buffer space available */
#define EISCONN 106 /* Transport endpoint is already connected */
#define ENOTCONN 107 /* Transport endpoint is not connected */
#define ESHUTDOWN 108 /* Cannot send after transport endpoint shutdown */
#define ETOOMANYREFS 109 /* Too many references: cannot splice */
#define ETIMEDOUT 110 /* Connection timed out */
#define ECONNREFUSED 111 /* Connection refused */
#define EHOSTDOWN 112 /* Host is down */
#define EHOSTUNREACH 113 /* No route to host */
#define EALREADY 114 /* Operation already in progress */
#define EINPROGRESS 115 /* Operation now in progress */
#define ESTALE 116 /* Stale NFS file handle */
#define EUCLEAN 117 /* Structure needs cleaning */
#define ENOTNAM 118 /* Not a XENIX named type file */
#define ENAVAIL 119 /* No XENIX semaphores available */
#define EISNAM 120 /* Is a named type file */
#define EREMOTEIO 121 /* Remote I/O error */
#define EDQUOT 122 /* Quota exceeded */
#define ENOMEDIUM 123 /* No medium found */
#define EMEDIUMTYPE 124 /* Wrong medium type */
#ifndef errno
extern int errno;
#endif
#endif /* LWIP_PROVIDE_ERRNO */
#ifdef __cplusplus
}
#endif
#endif /* LWIP_HDR_ARCH_H */

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/**
* @file
*
* AutoIP Automatic LinkLocal IP Configuration
*/
/*
*
* Copyright (c) 2007 Dominik Spies <kontakt@dspies.de>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* Author: Dominik Spies <kontakt@dspies.de>
*
* This is a AutoIP implementation for the lwIP TCP/IP stack. It aims to conform
* with RFC 3927.
*
*
* Please coordinate changes and requests with Dominik Spies
* <kontakt@dspies.de>
*/
#ifndef LWIP_HDR_AUTOIP_H
#define LWIP_HDR_AUTOIP_H
#include "lwip/opt.h"
#if LWIP_IPV4 && LWIP_AUTOIP /* don't build if not configured for use in lwipopts.h */
#include "lwip/netif.h"
/* #include "lwip/udp.h" */
#include "netif/etharp.h"
#ifdef __cplusplus
extern "C" {
#endif
/* AutoIP Timing */
#define AUTOIP_TMR_INTERVAL 100
#define AUTOIP_TICKS_PER_SECOND (1000 / AUTOIP_TMR_INTERVAL)
/* RFC 3927 Constants */
#define PROBE_WAIT 1 /* second (initial random delay) */
#define PROBE_MIN 1 /* second (minimum delay till repeated probe) */
#define PROBE_MAX 2 /* seconds (maximum delay till repeated probe) */
#define PROBE_NUM 3 /* (number of probe packets) */
#define ANNOUNCE_NUM 2 /* (number of announcement packets) */
#define ANNOUNCE_INTERVAL 2 /* seconds (time between announcement packets) */
#define ANNOUNCE_WAIT 2 /* seconds (delay before announcing) */
#define MAX_CONFLICTS LWIP_AUTOIP_MAX_CONFLICTS /* (max conflicts before rate limiting) */
#define RATE_LIMIT_INTERVAL LWIP_AUTOIP_RATE_LIMIT_INTERVAL /* seconds (delay between successive attempts) */
#define DEFEND_INTERVAL 10 /* seconds (min. wait between defensive ARPs) */
/* AutoIP client states */
#define AUTOIP_STATE_OFF 0
#define AUTOIP_STATE_PROBING 1
#define AUTOIP_STATE_ANNOUNCING 2
#define AUTOIP_STATE_BOUND 3
struct autoip
{
ip4_addr_t llipaddr; /* the currently selected, probed, announced or used LL IP-Address */
u8_t state; /* current AutoIP state machine state */
u8_t sent_num; /* sent number of probes or announces, dependent on state */
u16_t ttw; /* ticks to wait, tick is AUTOIP_TMR_INTERVAL long */
u8_t lastconflict; /* ticks until a conflict can be solved by defending */
u8_t tried_llipaddr; /* total number of probed/used Link Local IP-Addresses */
};
#define autoip_init() /* Compatibility define, no init needed. */
/** Set a struct autoip allocated by the application to work with */
void autoip_set_struct(struct netif *netif, struct autoip *autoip);
/** Remove a struct autoip previously set to the netif using autoip_set_struct() */
#define autoip_remove_struct(netif) do { (netif)->autoip = NULL; } while (0)
/** Start AutoIP client */
err_t autoip_start(struct netif *netif);
/** Stop AutoIP client */
err_t autoip_stop(struct netif *netif);
/** Handles every incoming ARP Packet, called by etharp_arp_input */
void autoip_arp_reply(struct netif *netif, struct etharp_hdr *hdr);
/** Has to be called in loop every AUTOIP_TMR_INTERVAL milliseconds */
void autoip_tmr(void);
/** Handle a possible change in the network configuration */
void autoip_network_changed(struct netif *netif);
/** check if AutoIP supplied netif->ip_addr */
u8_t autoip_supplied_address(struct netif *netif);
#ifdef __cplusplus
}
#endif
#endif /* LWIP_IPV4 && LWIP_AUTOIP */
#endif /* LWIP_HDR_AUTOIP_H */

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/*
* Copyright (c) 2001-2004 Swedish Institute of Computer Science.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* This file is part of the lwIP TCP/IP stack.
*
* Author: Adam Dunkels <adam@sics.se>
*
*/
#ifndef LWIP_HDR_DEBUG_H
#define LWIP_HDR_DEBUG_H
#include "lwip/arch.h"
#include "lwip/opt.h"
/** lower two bits indicate debug level
* - 0 all
* - 1 warning
* - 2 serious
* - 3 severe
*/
#define LWIP_DBG_LEVEL_ALL 0x00
#define LWIP_DBG_LEVEL_OFF LWIP_DBG_LEVEL_ALL /* compatibility define only */
#define LWIP_DBG_LEVEL_WARNING 0x01 /* bad checksums, dropped packets, ... */
#define LWIP_DBG_LEVEL_SERIOUS 0x02 /* memory allocation failures, ... */
#define LWIP_DBG_LEVEL_SEVERE 0x03
#define LWIP_DBG_MASK_LEVEL 0x03
/** flag for LWIP_DEBUGF to enable that debug message */
#define LWIP_DBG_ON 0x80U
/** flag for LWIP_DEBUGF to disable that debug message */
#define LWIP_DBG_OFF 0x00U
/** flag for LWIP_DEBUGF indicating a tracing message (to follow program flow) */
#define LWIP_DBG_TRACE 0x40U
/** flag for LWIP_DEBUGF indicating a state debug message (to follow module states) */
#define LWIP_DBG_STATE 0x20U
/** flag for LWIP_DEBUGF indicating newly added code, not thoroughly tested yet */
#define LWIP_DBG_FRESH 0x10U
/** flag for LWIP_DEBUGF to halt after printing this debug message */
#define LWIP_DBG_HALT 0x08U
/**
* LWIP_NOASSERT: Disable LWIP_ASSERT checks.
* -- To disable assertions define LWIP_NOASSERT in arch/cc.h.
*/
#ifndef LWIP_NOASSERT
#define LWIP_ASSERT(message, assertion) do { if(!(assertion)) \
LWIP_PLATFORM_ASSERT(message); } while(0)
#ifndef LWIP_PLATFORM_ASSERT
#error "If you want to use LWIP_ASSERT, LWIP_PLATFORM_ASSERT(message) needs to be defined in your arch/cc.h"
#endif
#else /* LWIP_NOASSERT */
#define LWIP_ASSERT(message, assertion)
#endif /* LWIP_NOASSERT */
/** if "expression" isn't true, then print "message" and execute "handler" expression */
#ifndef LWIP_ERROR
#ifndef LWIP_NOASSERT
#define LWIP_PLATFORM_ERROR(message) LWIP_PLATFORM_ASSERT(message)
#elif defined LWIP_DEBUG
#define LWIP_PLATFORM_ERROR(message) LWIP_PLATFORM_DIAG((message))
#else
#define LWIP_PLATFORM_ERROR(message)
#endif
#define LWIP_ERROR(message, expression, handler) do { if (!(expression)) { \
LWIP_PLATFORM_ERROR(message); handler;}} while(0)
#endif /* LWIP_ERROR */
#ifdef LWIP_DEBUG
#ifndef LWIP_PLATFORM_DIAG
#error "If you want to use LWIP_DEBUG, LWIP_PLATFORM_DIAG(message) needs to be defined in your arch/cc.h"
#endif
/** print debug message only if debug message type is enabled...
* AND is of correct type AND is at least LWIP_DBG_LEVEL
*/
#define LWIP_DEBUGF(debug, message) do { \
if ( \
((debug) & LWIP_DBG_ON) && \
((debug) & LWIP_DBG_TYPES_ON) && \
((s16_t)((debug) & LWIP_DBG_MASK_LEVEL) >= LWIP_DBG_MIN_LEVEL)) { \
LWIP_PLATFORM_DIAG(message); \
if ((debug) & LWIP_DBG_HALT) { \
while(1); \
} \
} \
} while(0)
#else /* LWIP_DEBUG */
#define LWIP_DEBUGF(debug, message)
#endif /* LWIP_DEBUG */
#endif /* LWIP_HDR_DEBUG_H */

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/*
* Copyright (c) 2001-2004 Swedish Institute of Computer Science.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* This file is part of the lwIP TCP/IP stack.
*
* Author: Adam Dunkels <adam@sics.se>
*
*/
#ifndef LWIP_HDR_DEF_H
#define LWIP_HDR_DEF_H
/* arch.h might define NULL already */
#include "lwip/arch.h"
#include "lwip/opt.h"
#if LWIP_PERF
#include "arch/perf.h"
#else /* LWIP_PERF */
#define PERF_START /* null definition */
#define PERF_STOP(x) /* null definition */
#endif /* LWIP_PERF */
#ifdef __cplusplus
extern "C" {
#endif
#define LWIP_MAX(x , y) (((x) > (y)) ? (x) : (y))
#define LWIP_MIN(x , y) (((x) < (y)) ? (x) : (y))
/* Get the number of entries in an array ('x' must NOT be a pointer!) */
#define LWIP_ARRAYSIZE(x) (sizeof(x)/sizeof((x)[0]))
#ifndef NULL
#define NULL ((void *)0)
#endif
/* Endianess-optimized shifting of two u8_t to create one u16_t */
#if BYTE_ORDER == LITTLE_ENDIAN
#define LWIP_MAKE_U16(a, b) ((a << 8) | b)
#else
#define LWIP_MAKE_U16(a, b) ((b << 8) | a)
#endif
#ifndef LWIP_PLATFORM_BYTESWAP
#define LWIP_PLATFORM_BYTESWAP 0
#endif
#ifndef LWIP_PREFIX_BYTEORDER_FUNCS
/* workaround for naming collisions on some platforms */
#ifdef htons
#undef htons
#endif /* htons */
#ifdef htonl
#undef htonl
#endif /* htonl */
#ifdef ntohs
#undef ntohs
#endif /* ntohs */
#ifdef ntohl
#undef ntohl
#endif /* ntohl */
#define htons(x) lwip_htons(x)
#define ntohs(x) lwip_ntohs(x)
#define htonl(x) lwip_htonl(x)
#define ntohl(x) lwip_ntohl(x)
#endif /* LWIP_PREFIX_BYTEORDER_FUNCS */
#if BYTE_ORDER == BIG_ENDIAN
#define lwip_htons(x) (x)
#define lwip_ntohs(x) (x)
#define lwip_htonl(x) (x)
#define lwip_ntohl(x) (x)
#define PP_HTONS(x) (x)
#define PP_NTOHS(x) (x)
#define PP_HTONL(x) (x)
#define PP_NTOHL(x) (x)
#else /* BYTE_ORDER != BIG_ENDIAN */
#if LWIP_PLATFORM_BYTESWAP
#define lwip_htons(x) LWIP_PLATFORM_HTONS(x)
#define lwip_ntohs(x) LWIP_PLATFORM_HTONS(x)
#define lwip_htonl(x) LWIP_PLATFORM_HTONL(x)
#define lwip_ntohl(x) LWIP_PLATFORM_HTONL(x)
#else /* LWIP_PLATFORM_BYTESWAP */
u16_t lwip_htons(u16_t x);
u16_t lwip_ntohs(u16_t x);
u32_t lwip_htonl(u32_t x);
u32_t lwip_ntohl(u32_t x);
#endif /* LWIP_PLATFORM_BYTESWAP */
/* These macros should be calculated by the preprocessor and are used
with compile-time constants only (so that there is no little-endian
overhead at runtime). */
#define PP_HTONS(x) ((((x) & 0xff) << 8) | (((x) & 0xff00) >> 8))
#define PP_NTOHS(x) PP_HTONS(x)
#define PP_HTONL(x) ((((x) & 0xff) << 24) | \
(((x) & 0xff00) << 8) | \
(((x) & 0xff0000UL) >> 8) | \
(((x) & 0xff000000UL) >> 24))
#define PP_NTOHL(x) PP_HTONL(x)
#endif /* BYTE_ORDER == BIG_ENDIAN */
#ifdef __cplusplus
}
#endif
#endif /* LWIP_HDR_DEF_H */

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components/lwip/include/lwip/lwip/dhcp.h
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/*
* Copyright (c) 2001-2004 Leon Woestenberg <leon.woestenberg@gmx.net>
* Copyright (c) 2001-2004 Axon Digital Design B.V., The Netherlands.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* This file is part of the lwIP TCP/IP stack.
*
* Author: Leon Woestenberg <leon.woestenberg@gmx.net>
*
*/
#ifndef LWIP_HDR_DHCP_H
#define LWIP_HDR_DHCP_H
#include "lwip/opt.h"
#if LWIP_DHCP /* don't build if not configured for use in lwipopts.h */
#include "lwip/netif.h"
#include "lwip/udp.h"
#ifdef __cplusplus
extern "C" {
#endif
/** period (in seconds) of the application calling dhcp_coarse_tmr() */
#define DHCP_COARSE_TIMER_SECS 1
/** period (in milliseconds) of the application calling dhcp_coarse_tmr() */
#define DHCP_COARSE_TIMER_MSECS (DHCP_COARSE_TIMER_SECS * 1000UL)
/** period (in milliseconds) of the application calling dhcp_fine_tmr() */
#define DHCP_FINE_TIMER_MSECS 500
#define DHCP_CHADDR_LEN 16U
#define DHCP_SNAME_LEN 64U
#define DHCP_FILE_LEN 128U
struct dhcp
{
/** transaction identifier of last sent request */
u32_t xid;
/** incoming msg */
struct dhcp_msg *msg_in;
/** track PCB allocation state */
u8_t pcb_allocated;
/** current DHCP state machine state */
u8_t state;
/** retries of current request */
u8_t tries;
#if LWIP_DHCP_AUTOIP_COOP
u8_t autoip_coop_state;
#endif
u8_t subnet_mask_given;
struct pbuf *p_out; /* pbuf of outcoming msg */
struct dhcp_msg *msg_out; /* outgoing msg */
u16_t options_out_len; /* outgoing msg options length */
u16_t request_timeout; /* #ticks with period DHCP_FINE_TIMER_SECS for request timeout */
u32_t t1_timeout; /* #ticks with period DHCP_COARSE_TIMER_SECS for renewal time */
u32_t t2_timeout; /* #ticks with period DHCP_COARSE_TIMER_SECS for rebind time */
u32_t t1_renew_time; /* #ticks with period DHCP_COARSE_TIMER_SECS until next renew try */
u32_t t2_rebind_time; /* #ticks with period DHCP_COARSE_TIMER_SECS until next rebind try */
u32_t lease_used; /* #ticks with period DHCP_COARSE_TIMER_SECS since last received DHCP ack */
u32_t t0_timeout; /* #ticks with period DHCP_COARSE_TIMER_SECS for lease time */
ip_addr_t server_ip_addr; /* dhcp server address that offered this lease (ip_addr_t because passed to UDP) */
ip4_addr_t offered_ip_addr;
ip4_addr_t offered_sn_mask;
ip4_addr_t offered_gw_addr;
u32_t offered_t0_lease; /* lease period (in seconds) */
u32_t offered_t1_renew; /* recommended renew time (usually 50% of lease period) */
u32_t offered_t2_rebind; /* recommended rebind time (usually 87.5 of lease period) */
#if LWIP_DHCP_BOOTP_FILE
ip_addr_t offered_si_addr;
char boot_file_name[DHCP_FILE_LEN];
#endif /* LWIP_DHCP_BOOTPFILE */
/* Espressif add start. */
#ifdef ESP_LWIP
void (*cb)(struct netif*); /* callback for dhcp, add a parameter to show dhcp status if needed */
#else
void (*cb)(void); /* callback for dhcp, add a parameter to show dhcp status if needed */
#endif
/* Espressif add end. */
};
/* MUST be compiled with "pack structs" or equivalent! */
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/bpstruct.h"
#endif
PACK_STRUCT_BEGIN
/** minimum set of fields of any DHCP message */
struct dhcp_msg
{
PACK_STRUCT_FLD_8(u8_t op);
PACK_STRUCT_FLD_8(u8_t htype);
PACK_STRUCT_FLD_8(u8_t hlen);
PACK_STRUCT_FLD_8(u8_t hops);
PACK_STRUCT_FIELD(u32_t xid);
PACK_STRUCT_FIELD(u16_t secs);
PACK_STRUCT_FIELD(u16_t flags);
PACK_STRUCT_FLD_S(ip4_addr_p_t ciaddr);
PACK_STRUCT_FLD_S(ip4_addr_p_t yiaddr);
PACK_STRUCT_FLD_S(ip4_addr_p_t siaddr);
PACK_STRUCT_FLD_S(ip4_addr_p_t giaddr);
PACK_STRUCT_FLD_8(u8_t chaddr[DHCP_CHADDR_LEN]);
PACK_STRUCT_FLD_8(u8_t sname[DHCP_SNAME_LEN]);
PACK_STRUCT_FLD_8(u8_t file[DHCP_FILE_LEN]);
PACK_STRUCT_FIELD(u32_t cookie);
#define DHCP_MIN_OPTIONS_LEN 68U
/** make sure user does not configure this too small */
#if ((defined(DHCP_OPTIONS_LEN)) && (DHCP_OPTIONS_LEN < DHCP_MIN_OPTIONS_LEN))
# undef DHCP_OPTIONS_LEN
#endif
/** allow this to be configured in lwipopts.h, but not too small */
#if (!defined(DHCP_OPTIONS_LEN))
/** set this to be sufficient for your options in outgoing DHCP msgs */
# define DHCP_OPTIONS_LEN DHCP_MIN_OPTIONS_LEN
#endif
PACK_STRUCT_FLD_8(u8_t options[DHCP_OPTIONS_LEN]);
} PACK_STRUCT_STRUCT;
PACK_STRUCT_END
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/epstruct.h"
#endif
void dhcp_set_struct(struct netif *netif, struct dhcp *dhcp);
/** Remove a struct dhcp previously set to the netif using dhcp_set_struct() */
#define dhcp_remove_struct(netif) do { (netif)->dhcp = NULL; } while(0)
void dhcp_cleanup(struct netif *netif);
/* Espressif add start. */
/** set callback for DHCP */
#ifdef ESP_LWIP
void dhcp_set_cb(struct netif *netif, void (*cb)(struct netif*));
#else
void dhcp_set_cb(struct netif *netif, void (*cb)(void));
#endif
/* Espressif add end. */
/** start DHCP configuration */
err_t dhcp_start(struct netif *netif);
/** enforce early lease renewal (not needed normally)*/
err_t dhcp_renew(struct netif *netif);
/** release the DHCP lease, usually called before dhcp_stop()*/
err_t dhcp_release(struct netif *netif);
/** stop DHCP configuration */
void dhcp_stop(struct netif *netif);
/** inform server of our manual IP address */
void dhcp_inform(struct netif *netif);
/** Handle a possible change in the network configuration */
void dhcp_network_changed(struct netif *netif);
/** if enabled, check whether the offered IP address is not in use, using ARP */
#if DHCP_DOES_ARP_CHECK
void dhcp_arp_reply(struct netif *netif, const ip4_addr_t *addr);
#endif
/** check if DHCP supplied netif->ip_addr */
u8_t dhcp_supplied_address(struct netif *netif);
/** to be called every minute */
void dhcp_coarse_tmr(void);
/** to be called every half second */
void dhcp_fine_tmr(void);
/** DHCP message item offsets and length */
#define DHCP_OP_OFS 0
#define DHCP_HTYPE_OFS 1
#define DHCP_HLEN_OFS 2
#define DHCP_HOPS_OFS 3
#define DHCP_XID_OFS 4
#define DHCP_SECS_OFS 8
#define DHCP_FLAGS_OFS 10
#define DHCP_CIADDR_OFS 12
#define DHCP_YIADDR_OFS 16
#define DHCP_SIADDR_OFS 20
#define DHCP_GIADDR_OFS 24
#define DHCP_CHADDR_OFS 28
#define DHCP_SNAME_OFS 44
#define DHCP_FILE_OFS 108
#define DHCP_MSG_LEN 236
#define DHCP_COOKIE_OFS DHCP_MSG_LEN
#define DHCP_OPTIONS_OFS (DHCP_MSG_LEN + 4)
#define DHCP_CLIENT_PORT 68
#define DHCP_SERVER_PORT 67
/** DHCP client states */
#define DHCP_STATE_OFF 0
#define DHCP_STATE_REQUESTING 1
#define DHCP_STATE_INIT 2
#define DHCP_STATE_REBOOTING 3
#define DHCP_STATE_REBINDING 4
#define DHCP_STATE_RENEWING 5
#define DHCP_STATE_SELECTING 6
#define DHCP_STATE_INFORMING 7
#define DHCP_STATE_CHECKING 8
/** not yet implemented #define DHCP_STATE_PERMANENT 9 */
#define DHCP_STATE_BOUND 10
/** not yet implemented #define DHCP_STATE_RELEASING 11 */
#define DHCP_STATE_BACKING_OFF 12
/** AUTOIP cooperation flags */
#define DHCP_AUTOIP_COOP_STATE_OFF 0
#define DHCP_AUTOIP_COOP_STATE_ON 1
#define DHCP_BOOTREQUEST 1
#define DHCP_BOOTREPLY 2
/** DHCP message types */
#define DHCP_DISCOVER 1
#define DHCP_OFFER 2
#define DHCP_REQUEST 3
#define DHCP_DECLINE 4
#define DHCP_ACK 5
#define DHCP_NAK 6
#define DHCP_RELEASE 7
#define DHCP_INFORM 8
/** DHCP hardware type, currently only ethernet is supported */
#define DHCP_HTYPE_ETH 1
#define DHCP_MAGIC_COOKIE 0x63825363UL
/* This is a list of options for BOOTP and DHCP, see RFC 2132 for descriptions */
/** BootP options */
#define DHCP_OPTION_PAD 0
#define DHCP_OPTION_SUBNET_MASK 1 /* RFC 2132 3.3 */
#define DHCP_OPTION_ROUTER 3
#define DHCP_OPTION_DNS_SERVER 6
#define DHCP_OPTION_HOSTNAME 12
#define DHCP_OPTION_IP_TTL 23
#define DHCP_OPTION_MTU 26
#define DHCP_OPTION_BROADCAST 28
#define DHCP_OPTION_TCP_TTL 37
#define DHCP_OPTION_NTP 42
#define DHCP_OPTION_END 255
#if ESP_LWIP
/**add options for support more router by liuHan**/
#define DHCP_OPTION_DOMAIN_NAME 15
#define DHCP_OPTION_PRD 31
#define DHCP_OPTION_STATIC_ROUTER 33
#define DHCP_OPTION_VSN 43
#define DHCP_OPTION_NB_TINS 44
#define DHCP_OPTION_NB_TINT 46
#define DHCP_OPTION_NB_TIS 47
#define DHCP_OPTION_CLASSLESS_STATIC_ROUTER 121
#endif
/** DHCP options */
#define DHCP_OPTION_REQUESTED_IP 50 /* RFC 2132 9.1, requested IP address */
#define DHCP_OPTION_LEASE_TIME 51 /* RFC 2132 9.2, time in seconds, in 4 bytes */
#define DHCP_OPTION_OVERLOAD 52 /* RFC2132 9.3, use file and/or sname field for options */
#define DHCP_OPTION_MESSAGE_TYPE 53 /* RFC 2132 9.6, important for DHCP */
#define DHCP_OPTION_MESSAGE_TYPE_LEN 1
#define DHCP_OPTION_SERVER_ID 54 /* RFC 2132 9.7, server IP address */
#define DHCP_OPTION_PARAMETER_REQUEST_LIST 55 /* RFC 2132 9.8, requested option types */
#define DHCP_OPTION_MAX_MSG_SIZE 57 /* RFC 2132 9.10, message size accepted >= 576 */
#define DHCP_OPTION_MAX_MSG_SIZE_LEN 2
#define DHCP_OPTION_T1 58 /* T1 renewal time */
#define DHCP_OPTION_T2 59 /* T2 rebinding time */
#define DHCP_OPTION_US 60
#define DHCP_OPTION_CLIENT_ID 61
#define DHCP_OPTION_TFTP_SERVERNAME 66
#define DHCP_OPTION_BOOTFILE 67
/** possible combinations of overloading the file and sname fields with options */
#define DHCP_OVERLOAD_NONE 0
#define DHCP_OVERLOAD_FILE 1
#define DHCP_OVERLOAD_SNAME 2
#define DHCP_OVERLOAD_SNAME_FILE 3
#if LWIP_DHCP_GET_NTP_SRV
/** This function must exist, in other to add offered NTP servers to
* the NTP (or SNTP) engine.
* See LWIP_DHCP_MAX_NTP_SERVERS */
extern void dhcp_set_ntp_servers(u8_t num_ntp_servers, const ip4_addr_t* ntp_server_addrs);
#endif /* LWIP_DHCP_GET_NTP_SRV */
#ifdef __cplusplus
}
#endif
#endif /* LWIP_DHCP */
#endif /*LWIP_HDR_DHCP_H*/

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components/lwip/include/lwip/lwip/dhcp6.h
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/**
* @file
*
* IPv6 address autoconfiguration as per RFC 4862.
*/
/*
* Copyright (c) 2010 Inico Technologies Ltd.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* This file is part of the lwIP TCP/IP stack.
*
* Author: Ivan Delamer <delamer@inicotech.com>
*
* IPv6 address autoconfiguration as per RFC 4862.
*
* Please coordinate changes and requests with Ivan Delamer
* <delamer@inicotech.com>
*/
#ifndef LWIP_HDR_IP6_DHCP6_H
#define LWIP_HDR_IP6_DHCP6_H
#include "lwip/opt.h"
#if LWIP_IPV6_DHCP6 /* don't build if not configured for use in lwipopts.h */
struct dhcp6
{
/*TODO: implement DHCP6*/
};
#endif /* LWIP_IPV6_DHCP6 */
#endif /* LWIP_HDR_IP6_DHCP6_H */

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components/lwip/include/lwip/lwip/dns.h
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/**
* lwip DNS resolver header file.
* Author: Jim Pettinato
* April 2007
* ported from uIP resolv.c Copyright (c) 2002-2003, Adam Dunkels.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote
* products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef LWIP_HDR_DNS_H
#define LWIP_HDR_DNS_H
#include "lwip/opt.h"
#if ESP_DNS
#include "lwip/err.h"
#endif
#if LWIP_DNS
#include "lwip/ip_addr.h"
#ifdef __cplusplus
extern "C" {
#endif
/** DNS timer period */
#define DNS_TMR_INTERVAL 1000
/* DNS resolve types: */
#define LWIP_DNS_ADDRTYPE_IPV4 0
#define LWIP_DNS_ADDRTYPE_IPV6 1
#define LWIP_DNS_ADDRTYPE_IPV4_IPV6 2 /* try to resolve IPv4 first, try IPv6 if IPv4 fails only */
#define LWIP_DNS_ADDRTYPE_IPV6_IPV4 3 /* try to resolve IPv6 first, try IPv4 if IPv6 fails only */
#if LWIP_IPV4 && LWIP_IPV6
#ifndef LWIP_DNS_ADDRTYPE_DEFAULT
#define LWIP_DNS_ADDRTYPE_DEFAULT LWIP_DNS_ADDRTYPE_IPV4_IPV6
#endif
#elif defined(LWIP_IPV4)
#define LWIP_DNS_ADDRTYPE_DEFAULT LWIP_DNS_ADDRTYPE_IPV4
#else
#define LWIP_DNS_ADDRTYPE_DEFAULT LWIP_DNS_ADDRTYPE_IPV6
#endif
#if DNS_LOCAL_HOSTLIST
/** struct used for local host-list */
struct local_hostlist_entry {
/** static hostname */
const char *name;
/** static host address in network byteorder */
ip_addr_t addr;
struct local_hostlist_entry *next;
};
#if DNS_LOCAL_HOSTLIST_IS_DYNAMIC
#ifndef DNS_LOCAL_HOSTLIST_MAX_NAMELEN
#define DNS_LOCAL_HOSTLIST_MAX_NAMELEN DNS_MAX_NAME_LENGTH
#endif
#define LOCALHOSTLIST_ELEM_SIZE ((sizeof(struct local_hostlist_entry) + DNS_LOCAL_HOSTLIST_MAX_NAMELEN + 1))
#endif /* DNS_LOCAL_HOSTLIST_IS_DYNAMIC */
#endif /* DNS_LOCAL_HOSTLIST */
/** Callback which is invoked when a hostname is found.
* A function of this type must be implemented by the application using the DNS resolver.
* @param name pointer to the name that was looked up.
* @param ipaddr pointer to an ip_addr_t containing the IP address of the hostname,
* or NULL if the name could not be found (or on any other error).
* @param callback_arg a user-specified callback argument passed to dns_gethostbyname
*/
typedef void (*dns_found_callback)(const char *name, const ip_addr_t *ipaddr, void *callback_arg);
void dns_init(void);
void dns_tmr(void);
void dns_setserver(u8_t numdns, const ip_addr_t *dnsserver);
void dns_clear_servers(bool keep_fallback);
ip_addr_t dns_getserver(u8_t numdns);
err_t dns_gethostbyname(const char *hostname, ip_addr_t *addr,
dns_found_callback found, void *callback_arg);
err_t dns_gethostbyname_addrtype(const char *hostname, ip_addr_t *addr,
dns_found_callback found, void *callback_arg,
u8_t dns_addrtype);
#if DNS_LOCAL_HOSTLIST && DNS_LOCAL_HOSTLIST_IS_DYNAMIC
int dns_local_removehost(const char *hostname, const ip_addr_t *addr);
err_t dns_local_addhost(const char *hostname, const ip_addr_t *addr);
#endif /* DNS_LOCAL_HOSTLIST && DNS_LOCAL_HOSTLIST_IS_DYNAMIC */
#ifdef __cplusplus
}
#endif
#endif /* LWIP_DNS */
#endif /* LWIP_HDR_DNS_H */

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components/lwip/include/lwip/lwip/err.h
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/*
* Copyright (c) 2001-2004 Swedish Institute of Computer Science.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* This file is part of the lwIP TCP/IP stack.
*
* Author: Adam Dunkels <adam@sics.se>
*
*/
#ifndef LWIP_HDR_ERR_H
#define LWIP_HDR_ERR_H
#include "lwip/opt.h"
#include "lwip/arch.h"
#ifdef __cplusplus
extern "C" {
#endif
/** Define LWIP_ERR_T in cc.h if you want to use
* a different type for your platform (must be signed). */
#ifdef LWIP_ERR_T
typedef LWIP_ERR_T err_t;
#else /* LWIP_ERR_T */
typedef s8_t err_t;
#endif /* LWIP_ERR_T*/
/* Definitions for error constants. */
#define ERR_OK 0 /* No error, everything OK. */
#define ERR_MEM -1 /* Out of memory error. */
#define ERR_BUF -2 /* Buffer error. */
#define ERR_TIMEOUT -3 /* Timeout. */
#define ERR_RTE -4 /* Routing problem. */
#define ERR_INPROGRESS -5 /* Operation in progress */
#define ERR_VAL -6 /* Illegal value. */
#define ERR_WOULDBLOCK -7 /* Operation would block. */
#define ERR_USE -8 /* Address in use. */
#if ESP_LWIP
#define ERR_ALREADY -9 /* Already connected. */
#define ERR_ISCONN -10 /* Conn already established.*/
#define ERR_IS_FATAL(e) ((e) < ERR_ISCONN)
#define ERR_ABRT -11 /* Connection aborted. */
#define ERR_RST -12 /* Connection reset. */
#define ERR_CLSD -13 /* Connection closed. */
#define ERR_CONN -14 /* Not connected. */
#define ERR_ARG -15 /* Illegal argument. */
#define ERR_IF -16 /* Low-level netif error */
#else
#define ERR_ALREADY -9 /* Already connecting. */
#define ERR_ISCONN -10 /* Conn already established.*/
#define ERR_CONN -11 /* Not connected. */
#define ERR_IF -12 /* Low-level netif error */
#define ERR_IS_FATAL(e) ((e) <= ERR_ABRT)
#define ERR_ABRT -13 /* Connection aborted. */
#define ERR_RST -14 /* Connection reset. */
#define ERR_CLSD -15 /* Connection closed. */
#define ERR_ARG -16 /* Illegal argument. */
#endif
#ifdef LWIP_DEBUG
extern const char *lwip_strerr(err_t err);
#else
#define lwip_strerr(x) ""
#endif /* LWIP_DEBUG */
#ifdef __cplusplus
}
#endif
#endif /* LWIP_HDR_ERR_H */

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/**
* @file
*
* Ethernet output for IPv6. Uses ND tables for link-layer addressing.
*/
/*
* Copyright (c) 2010 Inico Technologies Ltd.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* This file is part of the lwIP TCP/IP stack.
*
* Author: Ivan Delamer <delamer@inicotech.com>
*
*
* Please coordinate changes and requests with Ivan Delamer
* <delamer@inicotech.com>
*/
#ifndef LWIP_HDR_ETHIP6_H
#define LWIP_HDR_ETHIP6_H
#include "lwip/opt.h"
#if LWIP_IPV6 && LWIP_ETHERNET /* don't build if not configured for use in lwipopts.h */
#include "lwip/pbuf.h"
#include "lwip/ip6.h"
#include "lwip/ip6_addr.h"
#include "lwip/netif.h"
#ifdef __cplusplus
extern "C" {
#endif
err_t ethip6_output(struct netif *netif, struct pbuf *q, const ip6_addr_t *ip6addr);
#ifdef __cplusplus
}
#endif
#endif /* LWIP_IPV6 && LWIP_ETHERNET */
#endif /* LWIP_HDR_ETHIP6_H */

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/*
* Copyright (c) 2001-2004 Swedish Institute of Computer Science.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* This file is part of the lwIP TCP/IP stack.
*
* Author: Adam Dunkels <adam@sics.se>
*
*/
#ifndef LWIP_HDR_ICMP_H
#define LWIP_HDR_ICMP_H
#include "lwip/opt.h"
#include "lwip/pbuf.h"
#include "lwip/ip_addr.h"
#include "lwip/netif.h"
#if LWIP_IPV6 && LWIP_ICMP6
#include "lwip/icmp6.h"
#endif
#ifdef __cplusplus
extern "C" {
#endif
#define ICMP_ER 0 /* echo reply */
#define ICMP_DUR 3 /* destination unreachable */
#define ICMP_SQ 4 /* source quench */
#define ICMP_RD 5 /* redirect */
#define ICMP_ECHO 8 /* echo */
#define ICMP_TE 11 /* time exceeded */
#define ICMP_PP 12 /* parameter problem */
#define ICMP_TS 13 /* timestamp */
#define ICMP_TSR 14 /* timestamp reply */
#define ICMP_IRQ 15 /* information request */
#define ICMP_IR 16 /* information reply */
#define ICMP_AM 17 /* address mask request */
#define ICMP_AMR 18 /* address mask reply */
enum icmp_dur_type {
ICMP_DUR_NET = 0, /* net unreachable */
ICMP_DUR_HOST = 1, /* host unreachable */
ICMP_DUR_PROTO = 2, /* protocol unreachable */
ICMP_DUR_PORT = 3, /* port unreachable */
ICMP_DUR_FRAG = 4, /* fragmentation needed and DF set */
ICMP_DUR_SR = 5 /* source route failed */
};
enum icmp_te_type {
ICMP_TE_TTL = 0, /* time to live exceeded in transit */
ICMP_TE_FRAG = 1 /* fragment reassembly time exceeded */
};
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/bpstruct.h"
#endif
/** This is the standard ICMP header only that the u32_t data
* is split to two u16_t like ICMP echo needs it.
* This header is also used for other ICMP types that do not
* use the data part.
*/
PACK_STRUCT_BEGIN
struct icmp_echo_hdr {
PACK_STRUCT_FLD_8(u8_t type);
PACK_STRUCT_FLD_8(u8_t code);
PACK_STRUCT_FIELD(u16_t chksum);
PACK_STRUCT_FIELD(u16_t id);
PACK_STRUCT_FIELD(u16_t seqno);
} PACK_STRUCT_STRUCT;
PACK_STRUCT_END
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/epstruct.h"
#endif
#define ICMPH_TYPE(hdr) ((hdr)->type)
#define ICMPH_CODE(hdr) ((hdr)->code)
/** Combines type and code to an u16_t */
#define ICMPH_TYPE_SET(hdr, t) ((hdr)->type = (t))
#define ICMPH_CODE_SET(hdr, c) ((hdr)->code = (c))
#if LWIP_IPV4 && LWIP_ICMP /* don't build if not configured for use in lwipopts.h */
void icmp_input(struct pbuf *p, struct netif *inp);
void icmp_dest_unreach(struct pbuf *p, enum icmp_dur_type t);
void icmp_time_exceeded(struct pbuf *p, enum icmp_te_type t);
#endif /* LWIP_IPV4 && LWIP_ICMP */
#if LWIP_IPV4 && LWIP_IPV6
#if LWIP_ICMP && LWIP_ICMP6
#define icmp_port_unreach(isipv6, pbuf) ((isipv6) ? \
icmp6_dest_unreach(pbuf, ICMP6_DUR_PORT) : \
icmp_dest_unreach(pbuf, ICMP_DUR_PORT))
#elif LWIP_ICMP
#define icmp_port_unreach(isipv6, pbuf) do{ if(!(isipv6)) { icmp_dest_unreach(pbuf, ICMP_DUR_PORT);}}while(0)
#elif LWIP_ICMP6
#define icmp_port_unreach(isipv6, pbuf) do{ if(isipv6) { icmp6_dest_unreach(pbuf, ICMP6_DUR_PORT);}}while(0)
#else
#define icmp_port_unreach(isipv6, pbuf)
#endif
#elif LWIP_IPV6 && LWIP_ICMP6
#define icmp_port_unreach(isipv6, pbuf) icmp6_dest_unreach(pbuf, ICMP6_DUR_PORT)
#elif LWIP_IPV4 && LWIP_ICMP
#define icmp_port_unreach(isipv6, pbuf) icmp_dest_unreach(pbuf, ICMP_DUR_PORT)
#else /* (LWIP_IPV6 && LWIP_ICMP6) || (LWIP_IPV4 && LWIP_ICMP) */
#define icmp_port_unreach(isipv6, pbuf)
#endif /* (LWIP_IPV6 && LWIP_ICMP6) || (LWIP_IPV4 && LWIP_ICMP) LWIP_IPV4*/
#ifdef __cplusplus
}
#endif
#endif /* LWIP_HDR_ICMP_H */

152
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/**
* @file
*
* IPv6 version of ICMP, as per RFC 4443.
*/
/*
* Copyright (c) 2010 Inico Technologies Ltd.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* This file is part of the lwIP TCP/IP stack.
*
* Author: Ivan Delamer <delamer@inicotech.com>
*
*
* Please coordinate changes and requests with Ivan Delamer
* <delamer@inicotech.com>
*/
#ifndef LWIP_HDR_ICMP6_H
#define LWIP_HDR_ICMP6_H
#include "lwip/opt.h"
#include "lwip/pbuf.h"
#include "lwip/ip6_addr.h"
#include "lwip/netif.h"
#ifdef __cplusplus
extern "C" {
#endif
enum icmp6_type {
ICMP6_TYPE_DUR = 1, /* Destination unreachable */
ICMP6_TYPE_PTB = 2, /* Packet too big */
ICMP6_TYPE_TE = 3, /* Time exceeded */
ICMP6_TYPE_PP = 4, /* Parameter problem */
ICMP6_TYPE_PE1 = 100, /* Private experimentation */
ICMP6_TYPE_PE2 = 101, /* Private experimentation */
ICMP6_TYPE_RSV_ERR = 127, /* Reserved for expansion of error messages */
ICMP6_TYPE_EREQ = 128, /* Echo request */
ICMP6_TYPE_EREP = 129, /* Echo reply */
ICMP6_TYPE_MLQ = 130, /* Multicast listener query */
ICMP6_TYPE_MLR = 131, /* Multicast listener report */
ICMP6_TYPE_MLD = 132, /* Multicast listener done */
ICMP6_TYPE_RS = 133, /* Router solicitation */
ICMP6_TYPE_RA = 134, /* Router advertisement */
ICMP6_TYPE_NS = 135, /* Neighbor solicitation */
ICMP6_TYPE_NA = 136, /* Neighbor advertisement */
ICMP6_TYPE_RD = 137, /* Redirect */
ICMP6_TYPE_MRA = 151, /* Multicast router advertisement */
ICMP6_TYPE_MRS = 152, /* Multicast router solicitation */
ICMP6_TYPE_MRT = 153, /* Multicast router termination */
ICMP6_TYPE_PE3 = 200, /* Private experimentation */
ICMP6_TYPE_PE4 = 201, /* Private experimentation */
ICMP6_TYPE_RSV_INF = 255 /* Reserved for expansion of informational messages */
};
enum icmp6_dur_code {
ICMP6_DUR_NO_ROUTE = 0, /* No route to destination */
ICMP6_DUR_PROHIBITED = 1, /* Communication with destination administratively prohibited */
ICMP6_DUR_SCOPE = 2, /* Beyond scope of source address */
ICMP6_DUR_ADDRESS = 3, /* Address unreachable */
ICMP6_DUR_PORT = 4, /* Port unreachable */
ICMP6_DUR_POLICY = 5, /* Source address failed ingress/egress policy */
ICMP6_DUR_REJECT_ROUTE = 6 /* Reject route to destination */
};
enum icmp6_te_code {
ICMP6_TE_HL = 0, /* Hop limit exceeded in transit */
ICMP6_TE_FRAG = 1 /* Fragment reassembly time exceeded */
};
enum icmp6_pp_code {
ICMP6_PP_FIELD = 0, /* Erroneous header field encountered */
ICMP6_PP_HEADER = 1, /* Unrecognized next header type encountered */
ICMP6_PP_OPTION = 2 /* Unrecognized IPv6 option encountered */
};
/** This is the standard ICMP6 header. */
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/bpstruct.h"
#endif
PACK_STRUCT_BEGIN
struct icmp6_hdr {
PACK_STRUCT_FLD_8(u8_t type);
PACK_STRUCT_FLD_8(u8_t code);
PACK_STRUCT_FIELD(u16_t chksum);
PACK_STRUCT_FIELD(u32_t data);
} PACK_STRUCT_STRUCT;
PACK_STRUCT_END
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/epstruct.h"
#endif
/** This is the ICMP6 header adapted for echo req/resp. */
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/bpstruct.h"
#endif
PACK_STRUCT_BEGIN
struct icmp6_echo_hdr {
PACK_STRUCT_FLD_8(u8_t type);
PACK_STRUCT_FLD_8(u8_t code);
PACK_STRUCT_FIELD(u16_t chksum);
PACK_STRUCT_FIELD(u16_t id);
PACK_STRUCT_FIELD(u16_t seqno);
} PACK_STRUCT_STRUCT;
PACK_STRUCT_END
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/epstruct.h"
#endif
#if LWIP_ICMP6 && LWIP_IPV6 /* don't build if not configured for use in lwipopts.h */
void icmp6_input(struct pbuf *p, struct netif *inp);
void icmp6_dest_unreach(struct pbuf *p, enum icmp6_dur_code c);
void icmp6_packet_too_big(struct pbuf *p, u32_t mtu);
void icmp6_time_exceeded(struct pbuf *p, enum icmp6_te_code c);
void icmp6_param_problem(struct pbuf *p, enum icmp6_pp_code c, u32_t pointer);
#endif /* LWIP_ICMP6 && LWIP_IPV6 */
#ifdef __cplusplus
}
#endif
#endif /* LWIP_HDR_ICMP6_H */

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/*
* Copyright (c) 2002 CITEL Technologies Ltd.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of CITEL Technologies Ltd nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY CITEL TECHNOLOGIES AND CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL CITEL TECHNOLOGIES OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* This file is a contribution to the lwIP TCP/IP stack.
* The Swedish Institute of Computer Science and Adam Dunkels
* are specifically granted permission to redistribute this
* source code.
*/
#ifndef LWIP_HDR_IGMP_H
#define LWIP_HDR_IGMP_H
#include "lwip/opt.h"
#include "lwip/ip_addr.h"
#include "lwip/netif.h"
#include "lwip/pbuf.h"
#if LWIP_IPV4 && LWIP_IGMP /* don't build if not configured for use in lwipopts.h */
#ifdef __cplusplus
extern "C" {
#endif
/* IGMP timer */
#define IGMP_TMR_INTERVAL 100 /* Milliseconds */
#define IGMP_V1_DELAYING_MEMBER_TMR (1000/IGMP_TMR_INTERVAL)
#define IGMP_JOIN_DELAYING_MEMBER_TMR (500 /IGMP_TMR_INTERVAL)
/* MAC Filter Actions, these are passed to a netif's
* igmp_mac_filter callback function. */
#define IGMP_DEL_MAC_FILTER 0
#define IGMP_ADD_MAC_FILTER 1
/**
* igmp group structure - there is
* a list of groups for each interface
* these should really be linked from the interface, but
* if we keep them separate we will not affect the lwip original code
* too much
*
* There will be a group for the all systems group address but this
* will not run the state machine as it is used to kick off reports
* from all the other groups
*/
struct igmp_group {
/** next link */
struct igmp_group *next;
/** interface on which the group is active */
struct netif *netif;
/** multicast address */
ip4_addr_t group_address;
/** signifies we were the last person to report */
u8_t last_reporter_flag;
/** current state of the group */
u8_t group_state;
/** timer for reporting, negative is OFF */
u16_t timer;
/** counter of simultaneous uses */
u8_t use;
};
/* Prototypes */
void igmp_init(void);
err_t igmp_start(struct netif *netif);
err_t igmp_stop(struct netif *netif);
void igmp_report_groups(struct netif *netif);
struct igmp_group *igmp_lookfor_group(struct netif *ifp, const ip4_addr_t *addr);
void igmp_input(struct pbuf *p, struct netif *inp, const ip4_addr_t *dest);
err_t igmp_joingroup(const ip4_addr_t *ifaddr, const ip4_addr_t *groupaddr);
err_t igmp_joingroup_netif(struct netif *netif, const ip4_addr_t *groupaddr);
err_t igmp_leavegroup(const ip4_addr_t *ifaddr, const ip4_addr_t *groupaddr);
err_t igmp_leavegroup_netif(struct netif *netif, const ip4_addr_t *groupaddr);
void igmp_tmr(void);
#ifdef __cplusplus
}
#endif
#endif /* LWIP_IPV4 && LWIP_IGMP */
#endif /* LWIP_HDR_IGMP_H */

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/**
* @file
* This file (together with sockets.h) aims to provide structs and functions from
* - arpa/inet.h
* - netinet/in.h
*
*/
/*
* Copyright (c) 2001-2004 Swedish Institute of Computer Science.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* This file is part of the lwIP TCP/IP stack.
*
* Author: Adam Dunkels <adam@sics.se>
*
*/
#ifndef LWIP_HDR_INET_H
#define LWIP_HDR_INET_H
#include "lwip/opt.h"
#include "lwip/def.h"
#include "lwip/ip_addr.h"
#include "lwip/ip6_addr.h"
#ifdef __cplusplus
extern "C" {
#endif
/* If your port already typedef's in_addr_t, define IN_ADDR_T_DEFINED
to prevent this code from redefining it. */
#if !defined(in_addr_t) && !defined(IN_ADDR_T_DEFINED)
typedef u32_t in_addr_t;
#endif
struct in_addr {
in_addr_t s_addr;
};
struct in6_addr {
union {
u32_t u32_addr[4];
u8_t u8_addr[16];
} un;
#define s6_addr un.u8_addr
};
/** 255.255.255.255 */
#define INADDR_NONE IPADDR_NONE
/** 127.0.0.1 */
#define INADDR_LOOPBACK IPADDR_LOOPBACK
/** 0.0.0.0 */
#define INADDR_ANY IPADDR_ANY
/** 255.255.255.255 */
#define INADDR_BROADCAST IPADDR_BROADCAST
/** This macro can be used to initialize a variable of type struct in6_addr
to the IPv6 wildcard address. */
#define IN6ADDR_ANY_INIT {{{0,0,0,0}}}
/** This macro can be used to initialize a variable of type struct in6_addr
to the IPv6 loopback address. */
#define IN6ADDR_LOOPBACK_INIT {{{0,0,0,PP_HTONL(1)}}}
/** This variable is initialized by the system to contain the wildcard IPv6 address. */
extern const struct in6_addr in6addr_any;
/* Definitions of the bits in an (IPv4) Internet address integer.
On subnets, host and network parts are found according to
the subnet mask, not these masks. */
#define IN_CLASSA(a) IP_CLASSA(a)
#define IN_CLASSA_NET IP_CLASSA_NET
#define IN_CLASSA_NSHIFT IP_CLASSA_NSHIFT
#define IN_CLASSA_HOST IP_CLASSA_HOST
#define IN_CLASSA_MAX IP_CLASSA_MAX
#define IN_CLASSB(b) IP_CLASSB(b)
#define IN_CLASSB_NET IP_CLASSB_NET
#define IN_CLASSB_NSHIFT IP_CLASSB_NSHIFT
#define IN_CLASSB_HOST IP_CLASSB_HOST
#define IN_CLASSB_MAX IP_CLASSB_MAX
#define IN_CLASSC(c) IP_CLASSC(c)
#define IN_CLASSC_NET IP_CLASSC_NET
#define IN_CLASSC_NSHIFT IP_CLASSC_NSHIFT
#define IN_CLASSC_HOST IP_CLASSC_HOST
#define IN_CLASSC_MAX IP_CLASSC_MAX
#define IN_CLASSD(d) IP_CLASSD(d)
#define IN_CLASSD_NET IP_CLASSD_NET /* These ones aren't really */
#define IN_CLASSD_NSHIFT IP_CLASSD_NSHIFT /* net and host fields, but */
#define IN_CLASSD_HOST IP_CLASSD_HOST /* routing needn't know. */
#define IN_CLASSD_MAX IP_CLASSD_MAX
#define IN_MULTICAST(a) IP_MULTICAST(a)
#define IN_EXPERIMENTAL(a) IP_EXPERIMENTAL(a)
#define IN_BADCLASS(a) IP_BADCLASS(a)
#define IN_LOOPBACKNET IP_LOOPBACKNET
#ifndef INET_ADDRSTRLEN
#define INET_ADDRSTRLEN IP4ADDR_STRLEN_MAX
#endif
#if LWIP_IPV6
#ifndef INET6_ADDRSTRLEN
#define INET6_ADDRSTRLEN IP6ADDR_STRLEN_MAX
#endif
#endif
#if LWIP_IPV4
#define inet_addr_from_ipaddr(target_inaddr, source_ipaddr) ((target_inaddr)->s_addr = ip4_addr_get_u32(source_ipaddr))
#define inet_addr_to_ipaddr(target_ipaddr, source_inaddr) (ip4_addr_set_u32(target_ipaddr, (source_inaddr)->s_addr))
/* ATTENTION: the next define only works because both s_addr and ip_addr_t are an u32_t effectively! */
#define inet_addr_to_ipaddr_p(target_ipaddr_p, source_inaddr) ((target_ipaddr_p) = (ip_addr_t*)&((source_inaddr)->s_addr))
/* directly map this to the lwip internal functions */
#define inet_addr(cp) ipaddr_addr(cp)
#define inet_aton(cp, addr) ip4addr_aton(cp, (ip4_addr_t*)addr)
#define inet_ntoa(addr) ip4addr_ntoa((const ip4_addr_t*)&(addr))
#define inet_ntoa_r(addr, buf, buflen) ip4addr_ntoa_r((const ip4_addr_t*)&(addr), buf, buflen)
#endif /* LWIP_IPV4 */
#if LWIP_IPV6
#define inet6_addr_from_ip6addr(target_in6addr, source_ip6addr) {(target_in6addr)->un.u32_addr[0] = (source_ip6addr)->addr[0]; \
(target_in6addr)->un.u32_addr[1] = (source_ip6addr)->addr[1]; \
(target_in6addr)->un.u32_addr[2] = (source_ip6addr)->addr[2]; \
(target_in6addr)->un.u32_addr[3] = (source_ip6addr)->addr[3];}
#define inet6_addr_to_ip6addr(target_ip6addr, source_in6addr) {(target_ip6addr)->addr[0] = (source_in6addr)->un.u32_addr[0]; \
(target_ip6addr)->addr[1] = (source_in6addr)->un.u32_addr[1]; \
(target_ip6addr)->addr[2] = (source_in6addr)->un.u32_addr[2]; \
(target_ip6addr)->addr[3] = (source_in6addr)->un.u32_addr[3];}
/* ATTENTION: the next define only works because both in6_addr and ip6_addr_t are an u32_t[4] effectively! */
#define inet6_addr_to_ip6addr_p(target_ip6addr_p, source_in6addr) ((target_ip6addr_p) = (ip6_addr_t*)(source_in6addr))
/* directly map this to the lwip internal functions */
#define inet6_aton(cp, addr) ip6addr_aton(cp, (ip6_addr_t*)addr)
#define inet6_ntoa(addr) ip6addr_ntoa((const ip6_addr_t*)&(addr))
#define inet6_ntoa_r(addr, buf, buflen) ip6addr_ntoa_r((const ip6_addr_t*)&(addr), buf, buflen)
#endif /* LWIP_IPV6 */
#ifdef __cplusplus
}
#endif
#endif /* LWIP_HDR_INET_H */

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/*
* Copyright (c) 2001-2004 Swedish Institute of Computer Science.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* This file is part of the lwIP TCP/IP stack.
*
* Author: Adam Dunkels <adam@sics.se>
*
*/
#ifndef LWIP_HDR_INET_CHKSUM_H
#define LWIP_HDR_INET_CHKSUM_H
#include "lwip/opt.h"
#include "lwip/pbuf.h"
#include "lwip/ip_addr.h"
/** Swap the bytes in an u16_t: much like htons() for little-endian */
#ifndef SWAP_BYTES_IN_WORD
#if LWIP_PLATFORM_BYTESWAP && (BYTE_ORDER == LITTLE_ENDIAN)
/* little endian and PLATFORM_BYTESWAP defined */
#define SWAP_BYTES_IN_WORD(w) LWIP_PLATFORM_HTONS(w)
#else /* LWIP_PLATFORM_BYTESWAP && (BYTE_ORDER == LITTLE_ENDIAN) */
/* can't use htons on big endian (or PLATFORM_BYTESWAP not defined)... */
#define SWAP_BYTES_IN_WORD(w) (((w) & 0xff) << 8) | (((w) & 0xff00) >> 8)
#endif /* LWIP_PLATFORM_BYTESWAP && (BYTE_ORDER == LITTLE_ENDIAN)*/
#endif /* SWAP_BYTES_IN_WORD */
/** Split an u32_t in two u16_ts and add them up */
#ifndef FOLD_U32T
#define FOLD_U32T(u) (((u) >> 16) + ((u) & 0x0000ffffUL))
#endif
#if LWIP_CHECKSUM_ON_COPY
/** Function-like macro: same as MEMCPY but returns the checksum of copied data
as u16_t */
# ifndef LWIP_CHKSUM_COPY
# define LWIP_CHKSUM_COPY(dst, src, len) lwip_chksum_copy(dst, src, len)
# ifndef LWIP_CHKSUM_COPY_ALGORITHM
# define LWIP_CHKSUM_COPY_ALGORITHM 1
# endif /* LWIP_CHKSUM_COPY_ALGORITHM */
# else /* LWIP_CHKSUM_COPY */
# define LWIP_CHKSUM_COPY_ALGORITHM 0
# endif /* LWIP_CHKSUM_COPY */
#else /* LWIP_CHECKSUM_ON_COPY */
# define LWIP_CHKSUM_COPY_ALGORITHM 0
#endif /* LWIP_CHECKSUM_ON_COPY */
#ifdef __cplusplus
extern "C" {
#endif
u16_t inet_chksum(const void *dataptr, u16_t len);
u16_t inet_chksum_pbuf(struct pbuf *p);
#if LWIP_CHKSUM_COPY_ALGORITHM
u16_t lwip_chksum_copy(void *dst, const void *src, u16_t len);
#endif /* LWIP_CHKSUM_COPY_ALGORITHM */
#if LWIP_IPV4
u16_t inet_chksum_pseudo(struct pbuf *p, u8_t proto, u16_t proto_len,
const ip4_addr_t *src, const ip4_addr_t *dest);
u16_t inet_chksum_pseudo_partial(struct pbuf *p, u8_t proto,
u16_t proto_len, u16_t chksum_len, const ip4_addr_t *src, const ip4_addr_t *dest);
#endif /* LWIP_IPV4 */
#if LWIP_IPV6
u16_t ip6_chksum_pseudo(struct pbuf *p, u8_t proto, u16_t proto_len,
const ip6_addr_t *src, const ip6_addr_t *dest);
u16_t ip6_chksum_pseudo_partial(struct pbuf *p, u8_t proto, u16_t proto_len,
u16_t chksum_len, const ip6_addr_t *src, const ip6_addr_t *dest);
#endif /* LWIP_IPV6 */
u16_t ip_chksum_pseudo(struct pbuf *p, u8_t proto, u16_t proto_len,
const ip_addr_t *src, const ip_addr_t *dest);
u16_t ip_chksum_pseudo_partial(struct pbuf *p, u8_t proto, u16_t proto_len,
u16_t chksum_len, const ip_addr_t *src, const ip_addr_t *dest);
#ifdef __cplusplus
}
#endif
#endif /* LWIP_HDR_INET_H */

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/*
* Copyright (c) 2001-2004 Swedish Institute of Computer Science.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* This file is part of the lwIP TCP/IP stack.
*
* Author: Adam Dunkels <adam@sics.se>
*
*/
#ifndef LWIP_HDR_INIT_H
#define LWIP_HDR_INIT_H
#include "lwip/opt.h"
#ifdef __cplusplus
extern "C" {
#endif
/** X.x.x: Major version of the stack */
#define LWIP_VERSION_MAJOR 1U
/** x.X.x: Minor version of the stack */
#define LWIP_VERSION_MINOR 5U
/** x.x.X: Revision of the stack */
#define LWIP_VERSION_REVISION 0U
/** For release candidates, this is set to 1..254
* For official releases, this is set to 255 (LWIP_RC_RELEASE)
* For development versions (Git), this is set to 0 (LWIP_RC_DEVELOPMENT) */
#define LWIP_VERSION_RC 0U
/** LWIP_VERSION_RC is set to LWIP_RC_RELEASE for official releases */
#define LWIP_RC_RELEASE 255U
/** LWIP_VERSION_RC is set to LWIP_RC_DEVELOPMENT for Git versions */
#define LWIP_RC_DEVELOPMENT 0U
#define LWIP_VERSION_IS_RELEASE (LWIP_VERSION_RC == LWIP_RC_RELEASE)
#define LWIP_VERSION_IS_DEVELOPMENT (LWIP_VERSION_RC == LWIP_RC_DEVELOPMENT)
#define LWIP_VERSION_IS_RC ((LWIP_VERSION_RC != LWIP_RC_RELEASE) && (LWIP_VERSION_RC != LWIP_RC_DEVELOPMENT))
/** Provides the version of the stack */
#define LWIP_VERSION (LWIP_VERSION_MAJOR << 24 | LWIP_VERSION_MINOR << 16 | \
LWIP_VERSION_REVISION << 8 | LWIP_VERSION_RC)
/* Modules initialization */
void lwip_init(void);
#ifdef __cplusplus
}
#endif
#endif /* LWIP_HDR_INIT_H */

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/*
* Copyright (c) 2001-2004 Swedish Institute of Computer Science.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* This file is part of the lwIP TCP/IP stack.
*
* Author: Adam Dunkels <adam@sics.se>
*
*/
#ifndef LWIP_HDR_IP_H__
#define LWIP_HDR_IP_H__
#include "lwip/opt.h"
#include "lwip/def.h"
#include "lwip/pbuf.h"
#include "lwip/ip_addr.h"
#include "lwip/err.h"
#include "lwip/netif.h"
#include "lwip/ip4.h"
#include "lwip/ip6.h"
#ifdef __cplusplus
extern "C" {
#endif
#define IP_PROTO_ICMP 1
#define IP_PROTO_IGMP 2
#define IP_PROTO_UDP 17
#define IP_PROTO_UDPLITE 136
#define IP_PROTO_TCP 6
/** This operates on a void* by loading the first byte */
#define IP_HDR_GET_VERSION(ptr) ((*(u8_t*)(ptr)) >> 4)
/* This is passed as the destination address to ip_output_if (not
to ip_output), meaning that an IP header already is constructed
in the pbuf. This is used when TCP retransmits. */
#ifdef IP_HDRINCL
#undef IP_HDRINCL
#endif /* IP_HDRINCL */
#define IP_HDRINCL NULL
/** pbufs passed to IP must have a ref-count of 1 as their payload pointer
gets altered as the packet is passed down the stack */
#ifndef LWIP_IP_CHECK_PBUF_REF_COUNT_FOR_TX
#define LWIP_IP_CHECK_PBUF_REF_COUNT_FOR_TX(p) LWIP_ASSERT("p->ref == 1", (p)->ref == 1)
#endif
#if LWIP_NETIF_HWADDRHINT
#define IP_PCB_ADDRHINT ;u8_t addr_hint
#else
#define IP_PCB_ADDRHINT
#endif /* LWIP_NETIF_HWADDRHINT */
/* This is the common part of all PCB types. It needs to be at the
beginning of a PCB type definition. It is located here so that
changes to this common part are made in one location instead of
having to change all PCB structs. */
#define IP_PCB \
/* ip addresses in network byte order */ \
ip_addr_t local_ip; \
ip_addr_t remote_ip; \
/* Socket options */ \
u8_t so_options; \
/* Type Of Service */ \
u8_t tos; \
/* Time To Live */ \
u8_t ttl \
/* link layer address resolution hint */ \
IP_PCB_ADDRHINT
struct ip_pcb {
/* Common members of all PCB types */
IP_PCB;
};
/*
* Option flags per-socket. These are the same like SO_XXX in sockets.h
*/
#define SOF_REUSEADDR 0x04U /* allow local address reuse */
#define SOF_KEEPALIVE 0x08U /* keep connections alive */
#define SOF_BROADCAST 0x20U /* permit to send and to receive broadcast messages (see IP_SOF_BROADCAST option) */
/* These flags are inherited (e.g. from a listen-pcb to a connection-pcb): */
#define SOF_INHERITED (SOF_REUSEADDR|SOF_KEEPALIVE)
/* Global variables of this module, kept in a struct for efficient access using base+index. */
struct ip_globals
{
/** The interface that accepted the packet for the current callback invocation. */
struct netif *current_netif;
/** The interface that received the packet for the current callback invocation. */
struct netif *current_input_netif;
#if LWIP_IPV4
/** Header of the input packet currently being processed. */
struct ip_hdr *current_ip4_header;
#endif /* LWIP_IPV4 */
#if LWIP_IPV6
/** Header of the input IPv6 packet currently being processed. */
struct ip6_hdr *current_ip6_header;
#endif /* LWIP_IPV6 */
/** Total header length of current_ip4/6_header (i.e. after this, the UDP/TCP header starts) */
u16_t current_ip_header_tot_len;
/** Source IP address of current_header */
ip_addr_t current_iphdr_src;
/** Destination IP address of current_header */
ip_addr_t current_iphdr_dest;
};
extern struct ip_globals ip_data;
/** Get the interface that accepted the current packet.
* This may or may not be the receiving netif, depending on your netif/network setup.
* This function must only be called from a receive callback (udp_recv,
* raw_recv, tcp_accept). It will return NULL otherwise. */
#define ip_current_netif() (ip_data.current_netif)
/** Get the interface that received the current packet.
* This function must only be called from a receive callback (udp_recv,
* raw_recv, tcp_accept). It will return NULL otherwise. */
#define ip_current_input_netif() (ip_data.current_input_netif)
/** Total header length of ip(6)_current_header() (i.e. after this, the UDP/TCP header starts) */
#define ip_current_header_tot_len() (ip_data.current_ip_header_tot_len)
/** Source IP address of current_header */
#define ip_current_src_addr() (&ip_data.current_iphdr_src)
/** Destination IP address of current_header */
#define ip_current_dest_addr() (&ip_data.current_iphdr_dest)
#if LWIP_IPV4 && LWIP_IPV6
/** Get the IPv4 header of the current packet.
* This function must only be called from a receive callback (udp_recv,
* raw_recv, tcp_accept). It will return NULL otherwise. */
#define ip4_current_header() ((const struct ip_hdr*)(ip_data.current_ip4_header))
/** Get the IPv6 header of the current packet.
* This function must only be called from a receive callback (udp_recv,
* raw_recv, tcp_accept). It will return NULL otherwise. */
#define ip6_current_header() ((const struct ip6_hdr*)(ip_data.current_ip6_header))
/** Returns TRUE if the current IP input packet is IPv6, FALSE if it is IPv4 */
#define ip_current_is_v6() (ip6_current_header() != NULL)
/** Source IPv6 address of current_header */
#define ip6_current_src_addr() (ip_2_ip6(&ip_data.current_iphdr_src))
/** Destination IPv6 address of current_header */
#define ip6_current_dest_addr() (ip_2_ip6(&ip_data.current_iphdr_dest))
/** Get the transport layer protocol */
#define ip_current_header_proto() (ip_current_is_v6() ? \
IP6H_NEXTH(ip6_current_header()) :\
IPH_PROTO(ip4_current_header()))
/** Get the transport layer header */
#define ip_next_header_ptr() ((const void*)((ip_current_is_v6() ? \
(const u8_t*)ip6_current_header() : (const u8_t*)ip4_current_header()) + ip_current_header_tot_len()))
/** Source IP4 address of current_header */
#define ip4_current_src_addr() (ip_2_ip4(&ip_data.current_iphdr_src))
/** Destination IP4 address of current_header */
#define ip4_current_dest_addr() (ip_2_ip4(&ip_data.current_iphdr_dest))
#elif LWIP_IPV4 /* LWIP_IPV4 && LWIP_IPV6 */
/** Get the IPv4 header of the current packet.
* This function must only be called from a receive callback (udp_recv,
* raw_recv, tcp_accept). It will return NULL otherwise. */
#define ip4_current_header() ((const struct ip_hdr*)(ip_data.current_ip4_header))
/** Always returns FALSE when only supporting IPv4 only */
#define ip_current_is_v6() 0
/** Get the transport layer protocol */
#define ip_current_header_proto() IPH_PROTO(ip4_current_header())
/** Get the transport layer header */
#define ip_next_header_ptr() ((const void*)((const u8_t*)ip4_current_header() + ip_current_header_tot_len()))
/** Source IP4 address of current_header */
#define ip4_current_src_addr() (&ip_data.current_iphdr_src)
/** Destination IP4 address of current_header */
#define ip4_current_dest_addr() (&ip_data.current_iphdr_dest)
#elif LWIP_IPV6 /* LWIP_IPV4 && LWIP_IPV6 */
/** Get the IPv6 header of the current packet.
* This function must only be called from a receive callback (udp_recv,
* raw_recv, tcp_accept). It will return NULL otherwise. */
#define ip6_current_header() ((const struct ip6_hdr*)(ip_data.current_ip6_header))
/** Always returns TRUE when only supporting IPv6 only */
#define ip_current_is_v6() 1
/** Get the transport layer protocol */
#define ip_current_header_proto() IP6H_NEXTH(ip6_current_header())
/** Get the transport layer header */
#define ip_next_header_ptr() ((const void*)((const u8_t*)ip6_current_header()))
/** Source IP6 address of current_header */
#define ip6_current_src_addr() (&ip_data.current_iphdr_src)
/** Destination IP6 address of current_header */
#define ip6_current_dest_addr() (&ip_data.current_iphdr_dest)
#endif /* LWIP_IPV6 */
/** Union source address of current_header */
#define ip_current_src_addr() (&ip_data.current_iphdr_src)
/** Union destination address of current_header */
#define ip_current_dest_addr() (&ip_data.current_iphdr_dest)
/** Gets an IP pcb option (SOF_* flags) */
#define ip_get_option(pcb, opt) ((pcb)->so_options & (opt))
/** Sets an IP pcb option (SOF_* flags) */
#define ip_set_option(pcb, opt) ((pcb)->so_options |= (opt))
/** Resets an IP pcb option (SOF_* flags) */
#define ip_reset_option(pcb, opt) ((pcb)->so_options &= ~(opt))
#if LWIP_IPV4 && LWIP_IPV6
#define ip_output(p, src, dest, ttl, tos, proto) \
(IP_IS_V6(dest) ? \
ip6_output(p, ip_2_ip6(src), ip_2_ip6(dest), ttl, tos, proto) : \
ip4_output(p, ip_2_ip4(src), ip_2_ip4(dest), ttl, tos, proto))
#define ip_output_if(p, src, dest, ttl, tos, proto, netif) \
(IP_IS_V6(dest) ? \
ip6_output_if(p, ip_2_ip6(src), ip_2_ip6(dest), ttl, tos, proto, netif) : \
ip4_output_if(p, ip_2_ip4(src), ip_2_ip4(dest), ttl, tos, proto, netif))
#define ip_output_if_src(p, src, dest, ttl, tos, proto, netif) \
(IP_IS_V6(dest) ? \
ip6_output_if_src(p, ip_2_ip6(src), ip_2_ip6(dest), ttl, tos, proto, netif) : \
ip4_output_if_src(p, ip_2_ip4(src), ip_2_ip4(dest), ttl, tos, proto, netif))
#define ip_output_hinted(p, src, dest, ttl, tos, proto, addr_hint) \
(IP_IS_V6(dest) ? \
ip6_output_hinted(p, ip_2_ip6(src), ip_2_ip6(dest), ttl, tos, proto, addr_hint) : \
ip4_output_hinted(p, ip_2_ip4(src), ip_2_ip4(dest), ttl, tos, proto, addr_hint))
#define ip_route(src, dest) \
(IP_IS_V6(dest) ? \
ip6_route(ip_2_ip6(src), ip_2_ip6(dest)) : \
ip4_route_src(ip_2_ip4(dest), ip_2_ip4(src)))
#define ip_netif_get_local_ip(netif, dest) (IP_IS_V6(dest) ? \
ip6_netif_get_local_ip(netif, ip_2_ip6(dest)) : \
ip4_netif_get_local_ip(netif))
#define ip_debug_print(is_ipv6, p) ((is_ipv6) ? ip6_debug_print(p) : ip4_debug_print(p))
err_t ip_input(struct pbuf *p, struct netif *inp);
#elif LWIP_IPV4 /* LWIP_IPV4 && LWIP_IPV6 */
#define ip_output(p, src, dest, ttl, tos, proto) \
ip4_output(p, src, dest, ttl, tos, proto)
#define ip_output_if(p, src, dest, ttl, tos, proto, netif) \
ip4_output_if(p, src, dest, ttl, tos, proto, netif)
#define ip_output_if_src(p, src, dest, ttl, tos, proto, netif) \
ip4_output_if_src(p, src, dest, ttl, tos, proto, netif)
#define ip_output_hinted(p, src, dest, ttl, tos, proto, addr_hint) \
ip4_output_hinted(p, src, dest, ttl, tos, proto, addr_hint)
#define ip_route(src, dest) \
ip4_route_src(dest, src)
#define ip_netif_get_local_ip(netif, dest) \
ip4_netif_get_local_ip(netif)
#define ip_debug_print(is_ipv6, p) ip4_debug_print(p)
#define ip_input ip4_input
#elif LWIP_IPV6 /* LWIP_IPV4 && LWIP_IPV6 */
#define ip_output(p, src, dest, ttl, tos, proto) \
ip6_output(p, src, dest, ttl, tos, proto)
#define ip_output_if(p, src, dest, ttl, tos, proto, netif) \
ip6_output_if(p, src, dest, ttl, tos, proto, netif)
#define ip_output_if_src(p, src, dest, ttl, tos, proto, netif) \
ip6_output_if_src(p, src, dest, ttl, tos, proto, netif)
#define ip_output_hinted(p, src, dest, ttl, tos, proto, addr_hint) \
ip6_output_hinted(p, src, dest, ttl, tos, proto, addr_hint)
#define ip_route(src, dest) \
ip6_route(src, dest)
#define ip_netif_get_local_ip(netif, dest) \
ip6_netif_get_local_ip(netif, dest)
#define ip_debug_print(is_ipv6, p) ip6_debug_print(p)
#define ip_input ip6_input
#endif /* LWIP_IPV6 */
#define ip_route_get_local_ip(src, dest, netif, ipaddr) do { \
(netif) = ip_route(src, dest); \
(ipaddr) = ip_netif_get_local_ip(netif, dest); \
}while(0)
#ifdef __cplusplus
}
#endif
#endif /* LWIP_HDR_IP_H__ */

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/*
* Copyright (c) 2001-2004 Swedish Institute of Computer Science.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* This file is part of the lwIP TCP/IP stack.
*
* Author: Adam Dunkels <adam@sics.se>
*
*/
#ifndef LWIP_HDR_IP4_H
#define LWIP_HDR_IP4_H
#include "lwip/opt.h"
#if LWIP_IPV4
#include "lwip/def.h"
#include "lwip/pbuf.h"
#include "lwip/ip4_addr.h"
#include "lwip/err.h"
#include "lwip/netif.h"
#ifdef __cplusplus
extern "C" {
#endif
#ifdef LWIP_HOOK_IP4_ROUTE_SRC
#define LWIP_IPV4_SRC_ROUTING 1
#else
#define LWIP_IPV4_SRC_ROUTING 0
#endif
/** Currently, the function ip_output_if_opt() is only used with IGMP */
#define IP_OPTIONS_SEND (LWIP_IPV4 && LWIP_IGMP)
#define IP_HLEN 20
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/bpstruct.h"
#endif
PACK_STRUCT_BEGIN
struct ip_hdr {
/* version / header length */
PACK_STRUCT_FLD_8(u8_t _v_hl);
/* type of service */
PACK_STRUCT_FLD_8(u8_t _tos);
/* total length */
PACK_STRUCT_FIELD(u16_t _len);
/* identification */
PACK_STRUCT_FIELD(u16_t _id);
/* fragment offset field */
PACK_STRUCT_FIELD(u16_t _offset);
#define IP_RF 0x8000U /* reserved fragment flag */
#define IP_DF 0x4000U /* don't fragment flag */
#define IP_MF 0x2000U /* more fragments flag */
#define IP_OFFMASK 0x1fffU /* mask for fragmenting bits */
/* time to live */
PACK_STRUCT_FLD_8(u8_t _ttl);
/* protocol*/
PACK_STRUCT_FLD_8(u8_t _proto);
/* checksum */
PACK_STRUCT_FIELD(u16_t _chksum);
/* source and destination IP addresses */
PACK_STRUCT_FLD_S(ip4_addr_p_t src);
PACK_STRUCT_FLD_S(ip4_addr_p_t dest);
} PACK_STRUCT_STRUCT;
PACK_STRUCT_END
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/epstruct.h"
#endif
#define IPH_V(hdr) ((hdr)->_v_hl >> 4)
#define IPH_HL(hdr) ((hdr)->_v_hl & 0x0f)
#define IPH_TOS(hdr) ((hdr)->_tos)
#define IPH_LEN(hdr) ((hdr)->_len)
#define IPH_ID(hdr) ((hdr)->_id)
#define IPH_OFFSET(hdr) ((hdr)->_offset)
#define IPH_TTL(hdr) ((hdr)->_ttl)
#define IPH_PROTO(hdr) ((hdr)->_proto)
#define IPH_CHKSUM(hdr) ((hdr)->_chksum)
#define IPH_VHL_SET(hdr, v, hl) (hdr)->_v_hl = (u8_t)((((v) << 4) | (hl)))
#define IPH_TOS_SET(hdr, tos) (hdr)->_tos = (tos)
#define IPH_LEN_SET(hdr, len) (hdr)->_len = (len)
#define IPH_ID_SET(hdr, id) (hdr)->_id = (id)
#define IPH_OFFSET_SET(hdr, off) (hdr)->_offset = (off)
#define IPH_TTL_SET(hdr, ttl) (hdr)->_ttl = (u8_t)(ttl)
#define IPH_PROTO_SET(hdr, proto) (hdr)->_proto = (u8_t)(proto)
#define IPH_CHKSUM_SET(hdr, chksum) (hdr)->_chksum = (chksum)
#define ip_init() /* Compatibility define, no init needed. */
struct netif *ip4_route(const ip4_addr_t *dest);
#if LWIP_IPV4_SRC_ROUTING
struct netif *ip4_route_src(const ip4_addr_t *dest, const ip4_addr_t *src);
#else /* LWIP_IPV4_SRC_ROUTING */
#define ip4_route_src(dest, src) ip4_route(dest)
#endif /* LWIP_IPV4_SRC_ROUTING */
err_t ip4_input(struct pbuf *p, struct netif *inp);
err_t ip4_output(struct pbuf *p, const ip4_addr_t *src, const ip4_addr_t *dest,
u8_t ttl, u8_t tos, u8_t proto);
err_t ip4_output_if(struct pbuf *p, const ip4_addr_t *src, const ip4_addr_t *dest,
u8_t ttl, u8_t tos, u8_t proto, struct netif *netif);
err_t ip4_output_if_src(struct pbuf *p, const ip4_addr_t *src, const ip4_addr_t *dest,
u8_t ttl, u8_t tos, u8_t proto, struct netif *netif);
#if LWIP_NETIF_HWADDRHINT
err_t ip4_output_hinted(struct pbuf *p, const ip4_addr_t *src, const ip4_addr_t *dest,
u8_t ttl, u8_t tos, u8_t proto, u8_t *addr_hint);
#endif /* LWIP_NETIF_HWADDRHINT */
#if IP_OPTIONS_SEND
err_t ip4_output_if_opt(struct pbuf *p, const ip4_addr_t *src, const ip4_addr_t *dest,
u8_t ttl, u8_t tos, u8_t proto, struct netif *netif, void *ip_options,
u16_t optlen);
err_t ip4_output_if_opt_src(struct pbuf *p, const ip4_addr_t *src, const ip4_addr_t *dest,
u8_t ttl, u8_t tos, u8_t proto, struct netif *netif, void *ip_options,
u16_t optlen);
#endif /* IP_OPTIONS_SEND */
#if LWIP_MULTICAST_TX_OPTIONS
void ip4_set_default_multicast_netif(struct netif* default_multicast_netif);
#endif /* LWIP_MULTICAST_TX_OPTIONS */
#define ip4_netif_get_local_ip(netif) (((netif) != NULL) ? netif_ip_addr4(netif) : NULL)
#if IP_DEBUG
void ip4_debug_print(struct pbuf *p);
#else
#define ip4_debug_print(p)
#endif /* IP_DEBUG */
#ifdef __cplusplus
}
#endif
#endif /* LWIP_IPV4 */
#endif /* LWIP_HDR_IP_H */

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/*
* Copyright (c) 2001-2004 Swedish Institute of Computer Science.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* This file is part of the lwIP TCP/IP stack.
*
* Author: Adam Dunkels <adam@sics.se>
*
*/
#ifndef LWIP_HDR_IP4_ADDR_H
#define LWIP_HDR_IP4_ADDR_H
#include "lwip/opt.h"
#include "lwip/def.h"
#if LWIP_IPV4
#ifdef __cplusplus
extern "C" {
#endif
/* This is the aligned version of ip4_addr_t,
used as local variable, on the stack, etc. */
struct ip4_addr {
u32_t addr;
};
/* This is the packed version of ip4_addr_t,
used in network headers that are itself packed */
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/bpstruct.h"
#endif
PACK_STRUCT_BEGIN
struct ip4_addr_packed {
PACK_STRUCT_FIELD(u32_t addr);
} PACK_STRUCT_STRUCT;
PACK_STRUCT_END
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/epstruct.h"
#endif
/** ip4_addr_t uses a struct for convenience only, so that the same defines can
* operate both on ip4_addr_t as well as on ip4_addr_p_t. */
typedef struct ip4_addr ip4_addr_t;
typedef struct ip4_addr_packed ip4_addr_p_t;
/*
* struct ipaddr2 is used in the definition of the ARP packet format in
* order to support compilers that don't have structure packing.
*/
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/bpstruct.h"
#endif
PACK_STRUCT_BEGIN
struct ip4_addr2 {
PACK_STRUCT_FIELD(u16_t addrw[2]);
} PACK_STRUCT_STRUCT;
PACK_STRUCT_END
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/epstruct.h"
#endif
/* Forward declaration to not include netif.h */
struct netif;
/** 255.255.255.255 */
#define IPADDR_NONE ((u32_t)0xffffffffUL)
/** 127.0.0.1 */
#define IPADDR_LOOPBACK ((u32_t)0x7f000001UL)
/** 0.0.0.0 */
#define IPADDR_ANY ((u32_t)0x00000000UL)
/** 255.255.255.255 */
#define IPADDR_BROADCAST ((u32_t)0xffffffffUL)
/* Definitions of the bits in an Internet address integer.
On subnets, host and network parts are found according to
the subnet mask, not these masks. */
#define IP_CLASSA(a) ((((u32_t)(a)) & 0x80000000UL) == 0)
#define IP_CLASSA_NET 0xff000000
#define IP_CLASSA_NSHIFT 24
#define IP_CLASSA_HOST (0xffffffff & ~IP_CLASSA_NET)
#define IP_CLASSA_MAX 128
#define IP_CLASSB(a) ((((u32_t)(a)) & 0xc0000000UL) == 0x80000000UL)
#define IP_CLASSB_NET 0xffff0000
#define IP_CLASSB_NSHIFT 16
#define IP_CLASSB_HOST (0xffffffff & ~IP_CLASSB_NET)
#define IP_CLASSB_MAX 65536
#define IP_CLASSC(a) ((((u32_t)(a)) & 0xe0000000UL) == 0xc0000000UL)
#define IP_CLASSC_NET 0xffffff00
#define IP_CLASSC_NSHIFT 8
#define IP_CLASSC_HOST (0xffffffff & ~IP_CLASSC_NET)
#define IP_CLASSD(a) (((u32_t)(a) & 0xf0000000UL) == 0xe0000000UL)
#define IP_CLASSD_NET 0xf0000000 /* These ones aren't really */
#define IP_CLASSD_NSHIFT 28 /* net and host fields, but */
#define IP_CLASSD_HOST 0x0fffffff /* routing needn't know. */
#define IP_MULTICAST(a) IP_CLASSD(a)
#define IP_EXPERIMENTAL(a) (((u32_t)(a) & 0xf0000000UL) == 0xf0000000UL)
#define IP_BADCLASS(a) (((u32_t)(a) & 0xf0000000UL) == 0xf0000000UL)
#define IP_LOOPBACKNET 127 /* official! */
#if BYTE_ORDER == BIG_ENDIAN
/** Set an IP address given by the four byte-parts */
#define IP4_ADDR(ipaddr, a,b,c,d) \
(ipaddr)->addr = ((u32_t)((a) & 0xff) << 24) | \
((u32_t)((b) & 0xff) << 16) | \
((u32_t)((c) & 0xff) << 8) | \
(u32_t)((d) & 0xff)
#else
/** Set an IP address given by the four byte-parts.
Little-endian version that prevents the use of htonl. */
#define IP4_ADDR(ipaddr, a,b,c,d) \
(ipaddr)->addr = ((u32_t)((d) & 0xff) << 24) | \
((u32_t)((c) & 0xff) << 16) | \
((u32_t)((b) & 0xff) << 8) | \
(u32_t)((a) & 0xff)
#endif
/** MEMCPY-like copying of IP addresses where addresses are known to be
* 16-bit-aligned if the port is correctly configured (so a port could define
* this to copying 2 u16_t's) - no NULL-pointer-checking needed. */
#ifndef IPADDR2_COPY
#define IPADDR2_COPY(dest, src) SMEMCPY(dest, src, sizeof(ip4_addr_t))
#endif
/** Copy IP address - faster than ip4_addr_set: no NULL check */
#define ip4_addr_copy(dest, src) ((dest).addr = (src).addr)
/** Safely copy one IP address to another (src may be NULL) */
#define ip4_addr_set(dest, src) ((dest)->addr = \
((src) == NULL ? 0 : \
(src)->addr))
/** Set complete address to zero */
#define ip4_addr_set_zero(ipaddr) ((ipaddr)->addr = 0)
/** Set address to IPADDR_ANY (no need for htonl()) */
#define ip4_addr_set_any(ipaddr) ((ipaddr)->addr = IPADDR_ANY)
/** Set address to loopback address */
#define ip4_addr_set_loopback(ipaddr) ((ipaddr)->addr = PP_HTONL(IPADDR_LOOPBACK))
/** Check if an address is in the loopback region */
#define ip4_addr_isloopback(ipaddr) (((ipaddr)->addr & PP_HTONL(IP_CLASSA_NET)) == PP_HTONL(((u32_t)IP_LOOPBACKNET) << 24))
/** Safely copy one IP address to another and change byte order
* from host- to network-order. */
#define ip4_addr_set_hton(dest, src) ((dest)->addr = \
((src) == NULL ? 0:\
htonl((src)->addr)))
/** IPv4 only: set the IP address given as an u32_t */
#define ip4_addr_set_u32(dest_ipaddr, src_u32) ((dest_ipaddr)->addr = (src_u32))
/** IPv4 only: get the IP address as an u32_t */
#define ip4_addr_get_u32(src_ipaddr) ((src_ipaddr)->addr)
/** Get the network address by combining host address with netmask */
#define ip4_addr_get_network(target, host, netmask) do { ((target)->addr = ((host)->addr) & ((netmask)->addr)); } while(0)
/**
* Determine if two address are on the same network.
*
* @arg addr1 IP address 1
* @arg addr2 IP address 2
* @arg mask network identifier mask
* @return !0 if the network identifiers of both address match
*/
#define ip4_addr_netcmp(addr1, addr2, mask) (((addr1)->addr & \
(mask)->addr) == \
((addr2)->addr & \
(mask)->addr))
#define ip4_addr_cmp(addr1, addr2) ((addr1)->addr == (addr2)->addr)
#define ip4_addr_isany_val(addr1) ((addr1).addr == IPADDR_ANY)
#define ip4_addr_isany(addr1) ((addr1) == NULL || ip4_addr_isany_val(*(addr1)))
#define ip4_addr_isbroadcast(addr1, netif) ip4_addr_isbroadcast_u32((addr1)->addr, netif)
u8_t ip4_addr_isbroadcast_u32(u32_t addr, const struct netif *netif);
#define ip_addr_netmask_valid(netmask) ip4_addr_netmask_valid((netmask)->addr)
u8_t ip4_addr_netmask_valid(u32_t netmask);
#define ip4_addr_ismulticast(addr1) (((addr1)->addr & PP_HTONL(0xf0000000UL)) == PP_HTONL(0xe0000000UL))
#define ip4_addr_islinklocal(addr1) (((addr1)->addr & PP_HTONL(0xffff0000UL)) == PP_HTONL(0xa9fe0000UL))
#define ip4_addr_debug_print_parts(debug, a, b, c, d) \
LWIP_DEBUGF(debug, ("%" U16_F ".%" U16_F ".%" U16_F ".%" U16_F, a, b, c, d))
#define ip4_addr_debug_print(debug, ipaddr) \
ip4_addr_debug_print_parts(debug, \
(ipaddr) != NULL ? ip4_addr1_16(ipaddr) : 0, \
(ipaddr) != NULL ? ip4_addr2_16(ipaddr) : 0, \
(ipaddr) != NULL ? ip4_addr3_16(ipaddr) : 0, \
(ipaddr) != NULL ? ip4_addr4_16(ipaddr) : 0)
#define ip4_addr_debug_print_val(debug, ipaddr) \
ip4_addr_debug_print_parts(debug, \
ip4_addr1_16(&(ipaddr)), \
ip4_addr2_16(&(ipaddr)), \
ip4_addr3_16(&(ipaddr)), \
ip4_addr4_16(&(ipaddr)))
/* Get one byte from the 4-byte address */
#define ip4_addr1(ipaddr) (((const u8_t*)(&(ipaddr)->addr))[0])
#define ip4_addr2(ipaddr) (((const u8_t*)(&(ipaddr)->addr))[1])
#define ip4_addr3(ipaddr) (((const u8_t*)(&(ipaddr)->addr))[2])
#define ip4_addr4(ipaddr) (((const u8_t*)(&(ipaddr)->addr))[3])
/* These are cast to u16_t, with the intent that they are often arguments
* to printf using the U16_F format from cc.h. */
#define ip4_addr1_16(ipaddr) ((u16_t)ip4_addr1(ipaddr))
#define ip4_addr2_16(ipaddr) ((u16_t)ip4_addr2(ipaddr))
#define ip4_addr3_16(ipaddr) ((u16_t)ip4_addr3(ipaddr))
#define ip4_addr4_16(ipaddr) ((u16_t)ip4_addr4(ipaddr))
#define IP4ADDR_STRLEN_MAX 16
#define IPADDR_STRLEN_MAX IP4ADDR_STRLEN_MAX
/** For backwards compatibility */
#define ip_ntoa(ipaddr) ipaddr_ntoa(ipaddr)
u32_t ipaddr_addr(const char *cp);
int ip4addr_aton(const char *cp, ip4_addr_t *addr);
/** returns ptr to static buffer; not reentrant! */
char *ip4addr_ntoa(const ip4_addr_t *addr);
char *ip4addr_ntoa_r(const ip4_addr_t *addr, char *buf, int buflen);
#ifdef __cplusplus
}
#endif
#endif /* LWIP_IPV4 */
#endif /* LWIP_HDR_IP_ADDR_H */

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/**
* @file
*
* IPv6 layer.
*/
/*
* Copyright (c) 2010 Inico Technologies Ltd.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* This file is part of the lwIP TCP/IP stack.
*
* Author: Ivan Delamer <delamer@inicotech.com>
*
*
* Please coordinate changes and requests with Ivan Delamer
* <delamer@inicotech.com>
*/
#ifndef LWIP_HDR_IP6_H
#define LWIP_HDR_IP6_H
#include "lwip/opt.h"
#if LWIP_IPV6 /* don't build if not configured for use in lwipopts.h */
#include "lwip/ip6_addr.h"
#include "lwip/def.h"
#include "lwip/pbuf.h"
#include "lwip/netif.h"
#include "lwip/err.h"
#ifdef __cplusplus
extern "C" {
#endif
#define IP6_HLEN 40
#define IP6_NEXTH_HOPBYHOP 0
#define IP6_NEXTH_TCP 6
#define IP6_NEXTH_UDP 17
#define IP6_NEXTH_ENCAPS 41
#define IP6_NEXTH_ROUTING 43
#define IP6_NEXTH_FRAGMENT 44
#define IP6_NEXTH_ICMP6 58
#define IP6_NEXTH_NONE 59
#define IP6_NEXTH_DESTOPTS 60
#define IP6_NEXTH_UDPLITE 136
/* The IPv6 header. */
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/bpstruct.h"
#endif
PACK_STRUCT_BEGIN
struct ip6_hdr {
/* version / traffic class / flow label */
PACK_STRUCT_FIELD(u32_t _v_tc_fl);
/* payload length */
PACK_STRUCT_FIELD(u16_t _plen);
/* next header */
PACK_STRUCT_FLD_8(u8_t _nexth);
/* hop limit */
PACK_STRUCT_FLD_8(u8_t _hoplim);
/* source and destination IP addresses */
PACK_STRUCT_FLD_S(ip6_addr_p_t src);
PACK_STRUCT_FLD_S(ip6_addr_p_t dest);
} PACK_STRUCT_STRUCT;
PACK_STRUCT_END
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/epstruct.h"
#endif
/* Hop-by-hop router alert option. */
#define IP6_HBH_HLEN 8
#define IP6_PAD1_OPTION 0
#define IP6_PADN_ALERT_OPTION 1
#define IP6_ROUTER_ALERT_OPTION 5
#define IP6_ROUTER_ALERT_VALUE_MLD 0
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/bpstruct.h"
#endif
PACK_STRUCT_BEGIN
struct ip6_hbh_hdr {
/* next header */
PACK_STRUCT_FLD_8(u8_t _nexth);
/* header length */
PACK_STRUCT_FLD_8(u8_t _hlen);
/* router alert option type */
PACK_STRUCT_FLD_8(u8_t _ra_opt_type);
/* router alert option data len */
PACK_STRUCT_FLD_8(u8_t _ra_opt_dlen);
/* router alert option data */
PACK_STRUCT_FIELD(u16_t _ra_opt_data);
/* PadN option type */
PACK_STRUCT_FLD_8(u8_t _padn_opt_type);
/* PadN option data len */
PACK_STRUCT_FLD_8(u8_t _padn_opt_dlen);
} PACK_STRUCT_STRUCT;
PACK_STRUCT_END
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/epstruct.h"
#endif
/* Fragment header. */
#define IP6_FRAG_HLEN 8
#define IP6_FRAG_OFFSET_MASK 0xfff8
#define IP6_FRAG_MORE_FLAG 0x0001
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/bpstruct.h"
#endif
PACK_STRUCT_BEGIN
struct ip6_frag_hdr {
/* next header */
PACK_STRUCT_FLD_8(u8_t _nexth);
/* reserved */
PACK_STRUCT_FLD_8(u8_t reserved);
/* fragment offset */
PACK_STRUCT_FIELD(u16_t _fragment_offset);
/* fragmented packet identification */
PACK_STRUCT_FIELD(u32_t _identification);
} PACK_STRUCT_STRUCT;
PACK_STRUCT_END
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/epstruct.h"
#endif
#define IP6H_V(hdr) ((ntohl((hdr)->_v_tc_fl) >> 28) & 0x0f)
#define IP6H_TC(hdr) ((ntohl((hdr)->_v_tc_fl) >> 20) & 0xff)
#define IP6H_FL(hdr) (ntohl((hdr)->_v_tc_fl) & 0x000fffff)
#define IP6H_PLEN(hdr) (ntohs((hdr)->_plen))
#define IP6H_NEXTH(hdr) ((hdr)->_nexth)
#define IP6H_NEXTH_P(hdr) ((u8_t *)(hdr) + 6)
#define IP6H_HOPLIM(hdr) ((hdr)->_hoplim)
#define IP6H_VTCFL_SET(hdr, v, tc, fl) (hdr)->_v_tc_fl = (htonl((((u32_t)(v)) << 28) | (((u32_t)(tc)) << 20) | (fl)))
#define IP6H_PLEN_SET(hdr, plen) (hdr)->_plen = htons(plen)
#define IP6H_NEXTH_SET(hdr, nexth) (hdr)->_nexth = (nexth)
#define IP6H_HOPLIM_SET(hdr, hl) (hdr)->_hoplim = (u8_t)(hl)
struct netif *ip6_route(const ip6_addr_t *src, const ip6_addr_t *dest);
const ip_addr_t *ip6_select_source_address(struct netif *netif, const ip6_addr_t * dest);
err_t ip6_input(struct pbuf *p, struct netif *inp);
err_t ip6_output(struct pbuf *p, const ip6_addr_t *src, const ip6_addr_t *dest,
u8_t hl, u8_t tc, u8_t nexth);
err_t ip6_output_if(struct pbuf *p, const ip6_addr_t *src, const ip6_addr_t *dest,
u8_t hl, u8_t tc, u8_t nexth, struct netif *netif);
err_t ip6_output_if_src(struct pbuf *p, const ip6_addr_t *src, const ip6_addr_t *dest,
u8_t hl, u8_t tc, u8_t nexth, struct netif *netif);
#if LWIP_NETIF_HWADDRHINT
err_t ip6_output_hinted(struct pbuf *p, const ip6_addr_t *src, const ip6_addr_t *dest,
u8_t hl, u8_t tc, u8_t nexth, u8_t *addr_hint);
#endif /* LWIP_NETIF_HWADDRHINT */
#if LWIP_IPV6_MLD
err_t ip6_options_add_hbh_ra(struct pbuf * p, u8_t nexth, u8_t value);
#endif /* LWIP_IPV6_MLD */
#define ip6_netif_get_local_ip(netif, dest) (((netif) != NULL) ? \
ip6_select_source_address(netif, dest) : NULL)
#if IP6_DEBUG
void ip6_debug_print(struct pbuf *p);
#else
#define ip6_debug_print(p)
#endif /* IP6_DEBUG */
#ifdef __cplusplus
}
#endif
#endif /* LWIP_IPV6 */
#endif /* LWIP_HDR_IP6_H */

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@@ -1,301 +0,0 @@
/**
* @file
*
* IPv6 addresses.
*/
/*
* Copyright (c) 2010 Inico Technologies Ltd.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* This file is part of the lwIP TCP/IP stack.
*
* Author: Ivan Delamer <delamer@inicotech.com>
*
* Structs and macros for handling IPv6 addresses.
*
* Please coordinate changes and requests with Ivan Delamer
* <delamer@inicotech.com>
*/
#ifndef LWIP_HDR_IP6_ADDR_H
#define LWIP_HDR_IP6_ADDR_H
#include "lwip/opt.h"
#if LWIP_IPV6 /* don't build if not configured for use in lwipopts.h */
#ifdef __cplusplus
extern "C" {
#endif
/* This is the aligned version of ip6_addr_t,
used as local variable, on the stack, etc. */
struct ip6_addr {
u32_t addr[4];
};
/* This is the packed version of ip6_addr_t,
used in network headers that are itself packed */
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/bpstruct.h"
#endif
PACK_STRUCT_BEGIN
struct ip6_addr_packed {
PACK_STRUCT_FIELD(u32_t addr[4]);
} PACK_STRUCT_STRUCT;
PACK_STRUCT_END
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/epstruct.h"
#endif
typedef struct ip6_addr ip6_addr_t;
typedef struct ip6_addr_packed ip6_addr_p_t;
#if BYTE_ORDER == BIG_ENDIAN
/** Set an IPv6 partial address given by byte-parts. */
#define IP6_ADDR_PART(ip6addr, index, a,b,c,d) \
(ip6addr)->addr[index] = ((u32_t)((a) & 0xff) << 24) | \
((u32_t)((b) & 0xff) << 16) | \
((u32_t)((c) & 0xff) << 8) | \
(u32_t)((d) & 0xff)
#else
/** Set an IPv6 partial address given by byte-parts.
Little-endian version, stored in network order (no htonl). */
#define IP6_ADDR_PART(ip6addr, index, a,b,c,d) \
(ip6addr)->addr[index] = ((u32_t)((d) & 0xff) << 24) | \
((u32_t)((c) & 0xff) << 16) | \
((u32_t)((b) & 0xff) << 8) | \
(u32_t)((a) & 0xff)
#endif
/** Set a full IPv6 address by passing the 4 u32_t indices in network byte order
(use PP_HTONL() for constants) */
#define IP6_ADDR(ip6addr, idx0, idx1, idx2, idx3) do { \
(ip6addr)->addr[0] = idx0; \
(ip6addr)->addr[1] = idx1; \
(ip6addr)->addr[2] = idx2; \
(ip6addr)->addr[3] = idx3; } while(0)
/** Access address in 16-bit block */
#define IP6_ADDR_BLOCK1(ip6addr) ((u16_t)(htonl((ip6addr)->addr[0]) >> 16) & 0xffff)
#define IP6_ADDR_BLOCK2(ip6addr) ((u16_t)(htonl((ip6addr)->addr[0])) & 0xffff)
#define IP6_ADDR_BLOCK3(ip6addr) ((u16_t)(htonl((ip6addr)->addr[1]) >> 16) & 0xffff)
#define IP6_ADDR_BLOCK4(ip6addr) ((u16_t)(htonl((ip6addr)->addr[1])) & 0xffff)
#define IP6_ADDR_BLOCK5(ip6addr) ((u16_t)(htonl((ip6addr)->addr[2]) >> 16) & 0xffff)
#define IP6_ADDR_BLOCK6(ip6addr) ((u16_t)(htonl((ip6addr)->addr[2])) & 0xffff)
#define IP6_ADDR_BLOCK7(ip6addr) ((u16_t)(htonl((ip6addr)->addr[3]) >> 16) & 0xffff)
#define IP6_ADDR_BLOCK8(ip6addr) ((u16_t)(htonl((ip6addr)->addr[3])) & 0xffff)
/** Copy IPv6 address - faster than ip6_addr_set: no NULL check */
#define ip6_addr_copy(dest, src) do{(dest).addr[0] = (src).addr[0]; \
(dest).addr[1] = (src).addr[1]; \
(dest).addr[2] = (src).addr[2]; \
(dest).addr[3] = (src).addr[3];}while(0)
/** Safely copy one IPv6 address to another (src may be NULL) */
#define ip6_addr_set(dest, src) do{(dest)->addr[0] = (src) == NULL ? 0 : (src)->addr[0]; \
(dest)->addr[1] = (src) == NULL ? 0 : (src)->addr[1]; \
(dest)->addr[2] = (src) == NULL ? 0 : (src)->addr[2]; \
(dest)->addr[3] = (src) == NULL ? 0 : (src)->addr[3];}while(0)
/** Set complete address to zero */
#define ip6_addr_set_zero(ip6addr) do{(ip6addr)->addr[0] = 0; \
(ip6addr)->addr[1] = 0; \
(ip6addr)->addr[2] = 0; \
(ip6addr)->addr[3] = 0;}while(0)
/** Set address to ipv6 'any' (no need for htonl()) */
#define ip6_addr_set_any(ip6addr) ip6_addr_set_zero(ip6addr)
/** Set address to ipv6 loopback address */
#define ip6_addr_set_loopback(ip6addr) do{(ip6addr)->addr[0] = 0; \
(ip6addr)->addr[1] = 0; \
(ip6addr)->addr[2] = 0; \
(ip6addr)->addr[3] = PP_HTONL(0x00000001UL);}while(0)
/** Safely copy one IPv6 address to another and change byte order
* from host- to network-order. */
#define ip6_addr_set_hton(dest, src) do{(dest)->addr[0] = (src) == NULL ? 0 : htonl((src)->addr[0]); \
(dest)->addr[1] = (src) == NULL ? 0 : htonl((src)->addr[1]); \
(dest)->addr[2] = (src) == NULL ? 0 : htonl((src)->addr[2]); \
(dest)->addr[3] = (src) == NULL ? 0 : htonl((src)->addr[3]);}while(0)
/**
* Determine if two IPv6 address are on the same network.
*
* @arg addr1 IPv6 address 1
* @arg addr2 IPv6 address 2
* @return !0 if the network identifiers of both address match
*/
#define ip6_addr_netcmp(addr1, addr2) (((addr1)->addr[0] == (addr2)->addr[0]) && \
((addr1)->addr[1] == (addr2)->addr[1]))
#define ip6_addr_cmp(addr1, addr2) (((addr1)->addr[0] == (addr2)->addr[0]) && \
((addr1)->addr[1] == (addr2)->addr[1]) && \
((addr1)->addr[2] == (addr2)->addr[2]) && \
((addr1)->addr[3] == (addr2)->addr[3]))
#define ip6_get_subnet_id(ip6addr) (htonl((ip6addr)->addr[2]) & 0x0000ffffUL)
#define ip6_addr_isany_val(ip6addr) (((ip6addr).addr[0] == 0) && \
((ip6addr).addr[1] == 0) && \
((ip6addr).addr[2] == 0) && \
((ip6addr).addr[3] == 0))
#define ip6_addr_isany(ip6addr) (((ip6addr) == NULL) || ip6_addr_isany_val(*(ip6addr)))
#define ip6_addr_isloopback(ip6addr) (((ip6addr)->addr[0] == 0UL) && \
((ip6addr)->addr[1] == 0UL) && \
((ip6addr)->addr[2] == 0UL) && \
((ip6addr)->addr[3] == PP_HTONL(0x00000001UL)))
#define ip6_addr_isglobal(ip6addr) (((ip6addr)->addr[0] & PP_HTONL(0xe0000000UL)) == PP_HTONL(0x20000000UL))
#define ip6_addr_islinklocal(ip6addr) (((ip6addr)->addr[0] & PP_HTONL(0xffc00000UL)) == PP_HTONL(0xfe800000UL))
#define ip6_addr_issitelocal(ip6addr) (((ip6addr)->addr[0] & PP_HTONL(0xffc00000UL)) == PP_HTONL(0xfec00000UL))
#define ip6_addr_isuniquelocal(ip6addr) (((ip6addr)->addr[0] & PP_HTONL(0xfe000000UL)) == PP_HTONL(0xfc000000UL))
#define ip6_addr_ismulticast(ip6addr) (((ip6addr)->addr[0] & PP_HTONL(0xff000000UL)) == PP_HTONL(0xff000000UL))
#define ip6_addr_multicast_transient_flag(ip6addr) ((ip6addr)->addr[0] & PP_HTONL(0x00100000UL))
#define ip6_addr_multicast_prefix_flag(ip6addr) ((ip6addr)->addr[0] & PP_HTONL(0x00200000UL))
#define ip6_addr_multicast_rendezvous_flag(ip6addr) ((ip6addr)->addr[0] & PP_HTONL(0x00400000UL))
#define ip6_addr_multicast_scope(ip6addr) ((htonl((ip6addr)->addr[0]) >> 16) & 0xf)
#define IP6_MULTICAST_SCOPE_RESERVED 0x0
#define IP6_MULTICAST_SCOPE_RESERVED0 0x0
#define IP6_MULTICAST_SCOPE_INTERFACE_LOCAL 0x1
#define IP6_MULTICAST_SCOPE_LINK_LOCAL 0x2
#define IP6_MULTICAST_SCOPE_RESERVED3 0x3
#define IP6_MULTICAST_SCOPE_ADMIN_LOCAL 0x4
#define IP6_MULTICAST_SCOPE_SITE_LOCAL 0x5
#define IP6_MULTICAST_SCOPE_ORGANIZATION_LOCAL 0x8
#define IP6_MULTICAST_SCOPE_GLOBAL 0xe
#define IP6_MULTICAST_SCOPE_RESERVEDF 0xf
#define ip6_addr_ismulticast_iflocal(ip6addr) (((ip6addr)->addr[0] & PP_HTONL(0xff8f0000UL)) == PP_HTONL(0xff010000UL))
#define ip6_addr_ismulticast_linklocal(ip6addr) (((ip6addr)->addr[0] & PP_HTONL(0xff8f0000UL)) == PP_HTONL(0xff020000UL))
#define ip6_addr_ismulticast_adminlocal(ip6addr) (((ip6addr)->addr[0] & PP_HTONL(0xff8f0000UL)) == PP_HTONL(0xff040000UL))
#define ip6_addr_ismulticast_sitelocal(ip6addr) (((ip6addr)->addr[0] & PP_HTONL(0xff8f0000UL)) == PP_HTONL(0xff050000UL))
#define ip6_addr_ismulticast_orglocal(ip6addr) (((ip6addr)->addr[0] & PP_HTONL(0xff8f0000UL)) == PP_HTONL(0xff080000UL))
#define ip6_addr_ismulticast_global(ip6addr) (((ip6addr)->addr[0] & PP_HTONL(0xff8f0000UL)) == PP_HTONL(0xff0e0000UL))
/* TODO define get/set for well-know multicast addresses, e.g. ff02::1 */
#define ip6_addr_isallnodes_iflocal(ip6addr) (((ip6addr)->addr[0] == PP_HTONL(0xff010000UL)) && \
((ip6addr)->addr[1] == 0UL) && \
((ip6addr)->addr[2] == 0UL) && \
((ip6addr)->addr[3] == PP_HTONL(0x00000001UL)))
#define ip6_addr_isallnodes_linklocal(ip6addr) (((ip6addr)->addr[0] == PP_HTONL(0xff020000UL)) && \
((ip6addr)->addr[1] == 0UL) && \
((ip6addr)->addr[2] == 0UL) && \
((ip6addr)->addr[3] == PP_HTONL(0x00000001UL)))
#define ip6_addr_set_allnodes_linklocal(ip6addr) do{(ip6addr)->addr[0] = PP_HTONL(0xff020000UL); \
(ip6addr)->addr[1] = 0; \
(ip6addr)->addr[2] = 0; \
(ip6addr)->addr[3] = PP_HTONL(0x00000001UL);}while(0)
#define ip6_addr_isallrouters_linklocal(ip6addr) (((ip6addr)->addr[0] == PP_HTONL(0xff020000UL)) && \
((ip6addr)->addr[1] == 0UL) && \
((ip6addr)->addr[2] == 0UL) && \
((ip6addr)->addr[3] == PP_HTONL(0x00000002UL)))
#define ip6_addr_set_allrouters_linklocal(ip6addr) do{(ip6addr)->addr[0] = PP_HTONL(0xff020000UL); \
(ip6addr)->addr[1] = 0; \
(ip6addr)->addr[2] = 0; \
(ip6addr)->addr[3] = PP_HTONL(0x00000002UL);}while(0)
#define ip6_addr_issolicitednode(ip6addr) ( ((ip6addr)->addr[0] == PP_HTONL(0xff020000UL)) && \
((ip6addr)->addr[2] == PP_HTONL(0x00000001UL)) && \
(((ip6addr)->addr[3] & PP_HTONL(0xff000000UL)) == PP_HTONL(0xff000000UL)) )
#define ip6_addr_set_solicitednode(ip6addr, if_id) do{(ip6addr)->addr[0] = PP_HTONL(0xff020000UL); \
(ip6addr)->addr[1] = 0; \
(ip6addr)->addr[2] = PP_HTONL(0x00000001UL); \
(ip6addr)->addr[3] = (PP_HTONL(0xff000000UL) | (if_id));}while(0)
#define ip6_addr_cmp_solicitednode(ip6addr, sn_addr) (((ip6addr)->addr[0] == PP_HTONL(0xff020000UL)) && \
((ip6addr)->addr[1] == 0) && \
((ip6addr)->addr[2] == PP_HTONL(0x00000001UL)) && \
((ip6addr)->addr[3] == (PP_HTONL(0xff000000UL) | (sn_addr)->addr[3])))
/* IPv6 address states. */
#define IP6_ADDR_INVALID 0x00
#define IP6_ADDR_TENTATIVE 0x08
#define IP6_ADDR_TENTATIVE_1 0x09 /* 1 probe sent */
#define IP6_ADDR_TENTATIVE_2 0x0a /* 2 probes sent */
#define IP6_ADDR_TENTATIVE_3 0x0b /* 3 probes sent */
#define IP6_ADDR_TENTATIVE_4 0x0c /* 4 probes sent */
#define IP6_ADDR_TENTATIVE_5 0x0d /* 5 probes sent */
#define IP6_ADDR_TENTATIVE_6 0x0e /* 6 probes sent */
#define IP6_ADDR_TENTATIVE_7 0x0f /* 7 probes sent */
#define IP6_ADDR_VALID 0x10
#define IP6_ADDR_PREFERRED 0x30
#define IP6_ADDR_DEPRECATED 0x50
#define ip6_addr_isinvalid(addr_state) (addr_state == IP6_ADDR_INVALID)
#define ip6_addr_istentative(addr_state) (addr_state & IP6_ADDR_TENTATIVE)
#define ip6_addr_isvalid(addr_state) (addr_state & IP6_ADDR_VALID) /* Include valid, preferred, and deprecated. */
#define ip6_addr_ispreferred(addr_state) (addr_state == IP6_ADDR_PREFERRED)
#define ip6_addr_isdeprecated(addr_state) (addr_state == IP6_ADDR_DEPRECATED)
#define ip6_addr_debug_print_parts(debug, a, b, c, d, e, f, g, h) \
LWIP_DEBUGF(debug, ("%" X16_F ":%" X16_F ":%" X16_F ":%" X16_F ":%" X16_F ":%" X16_F ":%" X16_F ":%" X16_F, \
a, b, c, d, e, f, g, h))
#define ip6_addr_debug_print(debug, ipaddr) \
ip6_addr_debug_print_parts(debug, \
(ipaddr) != NULL ? IP6_ADDR_BLOCK1(ipaddr) : 0, \
(ipaddr) != NULL ? IP6_ADDR_BLOCK2(ipaddr) : 0, \
(ipaddr) != NULL ? IP6_ADDR_BLOCK3(ipaddr) : 0, \
(ipaddr) != NULL ? IP6_ADDR_BLOCK4(ipaddr) : 0, \
(ipaddr) != NULL ? IP6_ADDR_BLOCK5(ipaddr) : 0, \
(ipaddr) != NULL ? IP6_ADDR_BLOCK6(ipaddr) : 0, \
(ipaddr) != NULL ? IP6_ADDR_BLOCK7(ipaddr) : 0, \
(ipaddr) != NULL ? IP6_ADDR_BLOCK8(ipaddr) : 0)
#define ip6_addr_debug_print_val(debug, ipaddr) \
ip6_addr_debug_print_parts(debug, \
IP6_ADDR_BLOCK1(&(ipaddr)), \
IP6_ADDR_BLOCK2(&(ipaddr)), \
IP6_ADDR_BLOCK3(&(ipaddr)), \
IP6_ADDR_BLOCK4(&(ipaddr)), \
IP6_ADDR_BLOCK5(&(ipaddr)), \
IP6_ADDR_BLOCK6(&(ipaddr)), \
IP6_ADDR_BLOCK7(&(ipaddr)), \
IP6_ADDR_BLOCK8(&(ipaddr)))
#define IP6ADDR_STRLEN_MAX 46
int ip6addr_aton(const char *cp, ip6_addr_t *addr);
/** returns ptr to static buffer; not reentrant! */
char *ip6addr_ntoa(const ip6_addr_t *addr);
char *ip6addr_ntoa_r(const ip6_addr_t *addr, char *buf, int buflen);
#ifdef __cplusplus
}
#endif
#endif /* LWIP_IPV6 */
#endif /* LWIP_HDR_IP6_ADDR_H */

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/**
* @file
*
* IPv6 fragmentation and reassembly.
*/
/*
* Copyright (c) 2010 Inico Technologies Ltd.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* This file is part of the lwIP TCP/IP stack.
*
* Author: Ivan Delamer <delamer@inicotech.com>
*
*
* Please coordinate changes and requests with Ivan Delamer
* <delamer@inicotech.com>
*/
#ifndef LWIP_HDR_IP6_FRAG_H
#define LWIP_HDR_IP6_FRAG_H
#include "lwip/opt.h"
#include "lwip/pbuf.h"
#include "lwip/ip6_addr.h"
#include "lwip/ip6.h"
#include "lwip/netif.h"
#ifdef __cplusplus
extern "C" {
#endif
#if LWIP_IPV6 && LWIP_IPV6_REASS /* don't build if not configured for use in lwipopts.h */
/** IP6_FRAG_COPYHEADER==1: for platforms where sizeof(void*) > 4, this needs to
* be enabled (to not overwrite part of the data). When enabled, the IPv6 header
* is copied instead of referencing it, which gives more room for struct ip6_reass_helper */
#ifndef IPV6_FRAG_COPYHEADER
#define IPV6_FRAG_COPYHEADER 0
#endif
/* The IPv6 reassembly timer interval in milliseconds. */
#define IP6_REASS_TMR_INTERVAL 1000
/* Copy the complete header of the first fragment to struct ip6_reassdata
or just point to its original location in the first pbuf? */
#if IPV6_FRAG_COPYHEADER
#define IPV6_FRAG_HDRPTR
#define IPV6_FRAG_HDRREF(hdr) (&(hdr))
#else /* IPV6_FRAG_COPYHEADER */
#define IPV6_FRAG_HDRPTR *
#define IPV6_FRAG_HDRREF(hdr) (hdr)
#endif /* IPV6_FRAG_COPYHEADER */
/* IPv6 reassembly helper struct.
* This is exported because memp needs to know the size.
*/
struct ip6_reassdata {
struct ip6_reassdata *next;
struct pbuf *p;
struct ip6_hdr IPV6_FRAG_HDRPTR iphdr;
u32_t identification;
u16_t datagram_len;
u8_t nexth;
u8_t timer;
};
#define ip6_reass_init() /* Compatibility define */
void ip6_reass_tmr(void);
struct pbuf * ip6_reass(struct pbuf *p);
#endif /* LWIP_IPV6 && LWIP_IPV6_REASS */
#if LWIP_IPV6 && LWIP_IPV6_FRAG /* don't build if not configured for use in lwipopts.h */
/** A custom pbuf that holds a reference to another pbuf, which is freed
* when this custom pbuf is freed. This is used to create a custom PBUF_REF
* that points into the original pbuf. */
#ifndef LWIP_PBUF_CUSTOM_REF_DEFINED
#define LWIP_PBUF_CUSTOM_REF_DEFINED
struct pbuf_custom_ref {
/** 'base class' */
struct pbuf_custom pc;
/** pointer to the original pbuf that is referenced */
struct pbuf *original;
};
#endif /* LWIP_PBUF_CUSTOM_REF_DEFINED */
err_t ip6_frag(struct pbuf *p, struct netif *netif, const ip6_addr_t *dest);
#endif /* LWIP_IPV6 && LWIP_IPV6_FRAG */
#ifdef __cplusplus
}
#endif
#endif /* LWIP_HDR_IP6_FRAG_H */

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/*
* Copyright (c) 2001-2004 Swedish Institute of Computer Science.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* This file is part of the lwIP TCP/IP stack.
*
* Author: Adam Dunkels <adam@sics.se>
*
*/
#ifndef LWIP_HDR_IP_ADDR_H__
#define LWIP_HDR_IP_ADDR_H__
#include "lwip/opt.h"
#include "lwip/def.h"
#include "lwip/ip4_addr.h"
#include "lwip/ip6_addr.h"
#ifdef __cplusplus
extern "C" {
#endif
/** These are the values for ip_addr_t.type */
#define IPADDR_TYPE_V4 0U
#define IPADDR_TYPE_V6 6U
#define IPADDR_TYPE_ANY 46U
#define IP_IS_V4_VAL(ipaddr) (IP_GET_TYPE(&ipaddr) == IPADDR_TYPE_V4)
#if LWIP_IPV4 && LWIP_IPV6
/** A union struct for both IP version's addresses.
* ATTENTION: watch out for its size when adding IPv6 address scope!
*/
typedef struct _ip_addr {
union {
ip6_addr_t ip6;
ip4_addr_t ip4;
} u_addr;
u8_t type;
} ip_addr_t;
extern const ip_addr_t ip_addr_any_type;
#define IPADDR4_INIT(u32val) { { { { u32val, 0ul, 0ul, 0ul } } }, IPADDR_TYPE_V4 }
#define IPADDR6_INIT(a, b, c, d) { { { { a, b, c, d } } }, IPADDR_TYPE_V6 }
#define IP_IS_ANY_TYPE_VAL(ipaddr) (IP_GET_TYPE(&ipaddr) == IPADDR_TYPE_ANY)
#define IPADDR_ANY_TYPE_INIT { { { { 0ul, 0ul, 0ul, 0ul } } }, IPADDR_TYPE_ANY }
#define IP_IS_V6_VAL(ipaddr) (IP_GET_TYPE(&ipaddr) == IPADDR_TYPE_V6)
#define IP_IS_V6(ipaddr) (((ipaddr) != NULL) && IP_IS_V6_VAL(*(ipaddr)))
#define IP_V6_EQ_PART(ipaddr, WORD, VAL) (ip_2_ip6(ipaddr)->addr[WORD] == htonl(VAL))
#define IP_IS_V4MAPPEDV6(ipaddr) (IP_IS_V6(ipaddr) && IP_V6_EQ_PART(ipaddr, 0, 0) && IP_V6_EQ_PART(ipaddr, 1, 0) && IP_V6_EQ_PART(ipaddr, 2, 0x0000FFFF))
#define IP_SET_TYPE_VAL(ipaddr, iptype) do { (ipaddr).type = (iptype); }while(0)
#define IP_SET_TYPE(ipaddr, iptype) do { if((ipaddr) != NULL) { IP_SET_TYPE_VAL(*(ipaddr), iptype); }}while(0)
#define IP_GET_TYPE(ipaddr) ((ipaddr)->type)
#define IP_ADDR_PCB_VERSION_MATCH_EXACT(pcb, ipaddr) (IP_GET_TYPE(&pcb->local_ip) == IP_GET_TYPE(ipaddr))
#define IP_ADDR_PCB_VERSION_MATCH(pcb, ipaddr) (IP_IS_ANY_TYPE_VAL(pcb->local_ip) || IP_ADDR_PCB_VERSION_MATCH_EXACT(pcb, ipaddr))
/* Convert generic ip address to specific protocol version */
#define ip_2_ip6(ipaddr) (&((ipaddr)->u_addr.ip6))
#define ip_2_ip4(ipaddr) (&((ipaddr)->u_addr.ip4))
#define IP_ADDR4(ipaddr,a,b,c,d) do { IP4_ADDR(ip_2_ip4(ipaddr),a,b,c,d); \
IP_SET_TYPE_VAL(*(ipaddr), IPADDR_TYPE_V4); } while(0)
#define IP_ADDR6(ipaddr,i0,i1,i2,i3) do { IP6_ADDR(ip_2_ip6(ipaddr),i0,i1,i2,i3); \
IP_SET_TYPE_VAL(*(ipaddr), IPADDR_TYPE_V6); } while(0)
#define ip_addr_copy(dest, src) do{ IP_SET_TYPE_VAL(dest, IP_GET_TYPE(&src)); if(IP_IS_V6_VAL(src)){ \
ip6_addr_copy(*ip_2_ip6(&(dest)), *ip_2_ip6(&(src))); }else{ \
ip4_addr_copy(*ip_2_ip4(&(dest)), *ip_2_ip4(&(src))); }}while(0)
#define ip_addr_copy_from_ip6(dest, src) do{ \
ip6_addr_copy(*ip_2_ip6(&(dest)), src); IP_SET_TYPE_VAL(dest, IPADDR_TYPE_V6); }while(0)
#define ip_addr_copy_from_ip4(dest, src) do{ \
ip4_addr_copy(*ip_2_ip4(&(dest)), src); IP_SET_TYPE_VAL(dest, IPADDR_TYPE_V4); }while(0)
#define ip_addr_set_ip4_u32(ipaddr, val) do{if(ipaddr){ip4_addr_set_u32(ip_2_ip4(ipaddr), val); \
IP_SET_TYPE(ipaddr, IPADDR_TYPE_V4); }}while(0)
#define ip_addr_get_ip4_u32(ipaddr) (((ipaddr) && !IP_IS_V6(ipaddr)) ? \
ip4_addr_get_u32(ip_2_ip4(ipaddr)) : 0)
#define ip_addr_set(dest, src) do{ IP_SET_TYPE(dest, IP_GET_TYPE(src)); if(IP_IS_V6(src)){ \
ip6_addr_set(ip_2_ip6(dest), ip_2_ip6(src)); }else{ \
ip4_addr_set(ip_2_ip4(dest), ip_2_ip4(src)); }}while(0)
#define ip_addr_set_ipaddr(dest, src) ip_addr_set(dest, src)
#define ip_addr_set_zero(ipaddr) do{ \
ip6_addr_set_zero(ip_2_ip6(ipaddr)); IP_SET_TYPE(ipaddr, 0); }while(0)
#define ip_addr_set_zero_ip4(ipaddr) do{ \
ip6_addr_set_zero(ip_2_ip6(ipaddr)); IP_SET_TYPE(ipaddr, IPADDR_TYPE_V4); }while(0)
#define ip_addr_set_zero_ip6(ipaddr) do{ \
ip6_addr_set_zero(ip_2_ip6(ipaddr)); IP_SET_TYPE(ipaddr, IPADDR_TYPE_V6); }while(0)
#define ip_addr_set_any(is_ipv6, ipaddr) do{if(is_ipv6){ \
ip6_addr_set_any(ip_2_ip6(ipaddr)); IP_SET_TYPE(ipaddr, IPADDR_TYPE_V6); }else{ \
ip4_addr_set_any(ip_2_ip4(ipaddr)); IP_SET_TYPE(ipaddr, IPADDR_TYPE_V4); }}while(0)
#define ip_addr_set_loopback(is_ipv6, ipaddr) do{if(is_ipv6){ \
ip6_addr_set_loopback(ip_2_ip6(ipaddr)); IP_SET_TYPE(ipaddr, IPADDR_TYPE_V6); }else{ \
ip4_addr_set_loopback(ip_2_ip4(ipaddr)); IP_SET_TYPE(ipaddr, IPADDR_TYPE_V4); }}while(0)
#define ip_addr_set_hton(dest, src) do{if(IP_IS_V6(src)){ \
ip6_addr_set_hton(ip_2_ip6(ipaddr), (src)); IP_SET_TYPE(dest, IPADDR_TYPE_V6); }else{ \
ip4_addr_set_hton(ip_2_ip4(ipaddr), (src)); IP_SET_TYPE(dest, IPADDR_TYPE_V4); }}while(0)
#define ip_addr_get_network(target, host, netmask) do{if(IP_IS_V6(host)){ \
ip4_addr_set_zero(ip_2_ip4(target)); IP_SET_TYPE(target, IPADDR_TYPE_V6); } else { \
ip4_addr_get_network(ip_2_ip4(target), ip_2_ip4(host), ip_2_ip4(netmask)); IP_SET_TYPE(target, IPADDR_TYPE_V4); }}while(0)
#define ip_addr_netcmp(addr1, addr2, mask) ((IP_IS_V6(addr1) && IP_IS_V6(addr2)) ? \
0 : \
ip4_addr_netcmp(ip_2_ip4(addr1), ip_2_ip4(addr2), mask))
#define ip_addr_cmp(addr1, addr2) ((IP_GET_TYPE(addr1) != IP_GET_TYPE(addr2)) ? 0 : (IP_IS_V6_VAL(*(addr1)) ? \
ip6_addr_cmp(ip_2_ip6(addr1), ip_2_ip6(addr2)) : \
ip4_addr_cmp(ip_2_ip4(addr1), ip_2_ip4(addr2))))
#define ip_addr_isany(ipaddr) ((IP_IS_V6(ipaddr)) ? \
ip6_addr_isany(ip_2_ip6(ipaddr)) : \
ip4_addr_isany(ip_2_ip4(ipaddr)))
#define ip_addr_isany_val(ipaddr) ((IP_IS_V6_VAL(ipaddr)) ? \
ip6_addr_isany_val(*ip_2_ip6(&(ipaddr))) : \
ip4_addr_isany_val(*ip_2_ip4(&(ipaddr))))
#define ip_addr_isbroadcast(ipaddr, netif) ((IP_IS_V6(ipaddr)) ? \
0 : \
ip4_addr_isbroadcast(ip_2_ip4(ipaddr), netif))
#define ip_addr_ismulticast(ipaddr) ((IP_IS_V6(ipaddr)) ? \
ip6_addr_ismulticast(ip_2_ip6(ipaddr)) : \
ip4_addr_ismulticast(ip_2_ip4(ipaddr)))
#define ip_addr_isloopback(ipaddr) ((IP_IS_V6(ipaddr)) ? \
ip6_addr_isloopback(ip_2_ip6(ipaddr)) : \
ip4_addr_isloopback(ip_2_ip4(ipaddr)))
#define ip_addr_islinklocal(ipaddr) ((IP_IS_V6(ipaddr)) ? \
ip6_addr_islinklocal(ip_2_ip6(ipaddr)) : \
ip4_addr_islinklocal(ip_2_ip4(ipaddr)))
#define ip_addr_debug_print(debug, ipaddr) do { if(IP_IS_V6(ipaddr)) { \
ip6_addr_debug_print(debug, ip_2_ip6(ipaddr)); } else { \
ip4_addr_debug_print(debug, ip_2_ip4(ipaddr)); }}while(0)
#define ip_addr_debug_print_val(debug, ipaddr) do { if(IP_IS_V6_VAL(ipaddr)) { \
ip6_addr_debug_print_val(debug, *ip_2_ip6(&(ipaddr))); } else { \
ip4_addr_debug_print_val(debug, *ip_2_ip4(&(ipaddr))); }}while(0)
#define ipaddr_ntoa(addr) (((addr) == NULL) ? "NULL" : \
((IP_IS_V6(addr)) ? ip6addr_ntoa(ip_2_ip6(addr)) : ip4addr_ntoa(ip_2_ip4(addr))))
#define ipaddr_ntoa_r(addr, buf, buflen) (((addr) == NULL) ? "NULL" : \
((IP_IS_V6(addr)) ? ip6addr_ntoa_r(ip_2_ip6(addr), buf, buflen) : ip4addr_ntoa_r(ip_2_ip4(addr), buf, buflen)))
int ipaddr_aton(const char *cp, ip_addr_t *addr);
/* Map an IPv4 ip_addr into an IPV6 ip_addr, using format
defined in RFC4291 2.5.5.2.
Safe to call when dest==src.
*/
#define ip_addr_make_ip4_mapped_ip6(dest, src) do { \
u32_t tmp = ip_2_ip4(src)->addr; \
IP_ADDR6((dest), 0x0, 0x0, htonl(0x0000FFFF), tmp); \
} while(0)
/* Convert an IPv4 mapped V6 address to an IPV4 address.
Check IP_IS_V4MAPPEDV6(src) before using this.
Safe to call when dest == src.
*/
#define ip_addr_ip4_from_mapped_ip6(dest, src) do { \
ip_2_ip4(dest)->addr = ip_2_ip6(src)->addr[3]; \
IP_SET_TYPE(dest, IPADDR_TYPE_V4); \
} while(0)
#else /* LWIP_IPV4 && LWIP_IPV6 */
#define IP_ADDR_PCB_VERSION_MATCH(addr, pcb) 1
#define IP_ADDR_PCB_VERSION_MATCH_EXACT(pcb, ipaddr) 1
#if LWIP_IPV4
typedef ip4_addr_t ip_addr_t;
#define IPADDR4_INIT(u32val) { u32val }
#define IP_IS_V6_VAL(ipaddr) 0
#define IP_IS_V6(ipaddr) 0
#define IP_IS_ANY_TYPE_VAL(ipaddr) 0
#define IP_SET_TYPE_VAL(ipaddr, iptype)
#define IP_SET_TYPE(ipaddr, iptype)
#define IP_GET_TYPE(ipaddr) IPADDR_TYPE_V4
#define ip_2_ip4(ipaddr) (ipaddr)
#define IP_ADDR4(ipaddr,a,b,c,d) IP4_ADDR(ipaddr,a,b,c,d)
#define ip_addr_copy(dest, src) ip4_addr_copy(dest, src)
#define ip_addr_copy_from_ip4(dest, src) ip4_addr_copy(dest, src)
#define ip_addr_set_ip4_u32(ipaddr, val) ip4_addr_set_u32(ip_2_ip4(ipaddr), val)
#define ip_addr_get_ip4_u32(ipaddr) ip4_addr_get_u32(ip_2_ip4(ipaddr))
#define ip_addr_set(dest, src) ip4_addr_set(dest, src)
#define ip_addr_set_ipaddr(dest, src) ip4_addr_set(dest, src)
#define ip_addr_set_zero(ipaddr) ip4_addr_set_zero(ipaddr)
#define ip_addr_set_zero_ip4(ipaddr) ip4_addr_set_zero(ipaddr)
#define ip_addr_set_any(is_ipv6, ipaddr) ip4_addr_set_any(ipaddr)
#define ip_addr_set_loopback(is_ipv6, ipaddr) ip4_addr_set_loopback(ipaddr)
#define ip_addr_set_hton(dest, src) ip4_addr_set_hton(dest, src)
#define ip_addr_get_network(target, host, mask) ip4_addr_get_network(target, host, mask)
#define ip_addr_netcmp(addr1, addr2, mask) ip4_addr_netcmp(addr1, addr2, mask)
#define ip_addr_cmp(addr1, addr2) ip4_addr_cmp(addr1, addr2)
#define ip_addr_isany(ipaddr) ip4_addr_isany(ipaddr)
#define ip_addr_isany_val(ipaddr) ip4_addr_isany_val(ipaddr)
#define ip_addr_isloopback(ipaddr) ip4_addr_isloopback(ipaddr)
#define ip_addr_islinklocal(ipaddr) ip4_addr_islinklocal(ipaddr)
#define ip_addr_isbroadcast(addr, netif) ip4_addr_isbroadcast(addr, netif)
#define ip_addr_ismulticast(ipaddr) ip4_addr_ismulticast(ipaddr)
#define ip_addr_debug_print(debug, ipaddr) ip4_addr_debug_print(debug, ipaddr)
#define ip_addr_debug_print_val(debug, ipaddr) ip4_addr_debug_print_val(debug, ipaddr)
#define ipaddr_ntoa(ipaddr) ip4addr_ntoa(ipaddr)
#define ipaddr_ntoa_r(ipaddr, buf, buflen) ip4addr_ntoa_r(ipaddr, buf, buflen)
#define ipaddr_aton(cp, addr) ip4addr_aton(cp, addr)
#else /* LWIP_IPV4 */
typedef ip6_addr_t ip_addr_t;
#define IPADDR6_INIT(a, b, c, d) { { a, b, c, d } }
#define IP_IS_V6_VAL(ipaddr) 1
#define IP_IS_V6(ipaddr) 1
#define IP_IS_ANY_TYPE_VAL(ipaddr) 0
#define IP_SET_TYPE_VAL(ipaddr, iptype)
#define IP_SET_TYPE(ipaddr, iptype)
#define IP_GET_TYPE(ipaddr) IPADDR_TYPE_V6
#define ip_2_ip6(ipaddr) (ipaddr)
#define IP_ADDR6(ipaddr,i0,i1,i2,i3) IP6_ADDR(ipaddr,i0,i1,i2,i3)
#define ip_addr_copy(dest, src) ip6_addr_copy(dest, src)
#define ip_addr_copy_from_ip6(dest, src) ip6_addr_copy(dest, src)
#define ip_addr_set(dest, src) ip6_addr_set(dest, src)
#define ip_addr_set_ipaddr(dest, src) ip6_addr_set(dest, src)
#define ip_addr_set_zero(ipaddr) ip6_addr_set_zero(ipaddr)
#define ip_addr_set_zero_ip6(ipaddr) ip6_addr_set_zero(ipaddr)
#define ip_addr_set_any(is_ipv6, ipaddr) ip6_addr_set_any(ipaddr)
#define ip_addr_set_loopback(is_ipv6, ipaddr) ip6_addr_set_loopback(ipaddr)
#define ip_addr_set_hton(dest, src) ip6_addr_set_hton(dest, src)
#define ip_addr_get_network(target, host, mask) ip6_addr_set_zero(target)
#define ip_addr_netcmp(addr1, addr2, mask) 0
#define ip_addr_cmp(addr1, addr2) ip6_addr_cmp(addr1, addr2)
#define ip_addr_isany(ipaddr) ip6_addr_isany(ipaddr)
#define ip_addr_isany_val(ipaddr) ip6_addr_isany_val(ipaddr)
#define ip_addr_isloopback(ipaddr) ip6_addr_isloopback(ipaddr)
#define ip_addr_islinklocal(ipaddr) ip6_addr_islinklocal(ipaddr)
#define ip_addr_isbroadcast(addr, netif) 0
#define ip_addr_ismulticast(ipaddr) ip6_addr_ismulticast(ipaddr)
#define ip_addr_debug_print(debug, ipaddr) ip6_addr_debug_print(debug, ipaddr)
#define ip_addr_debug_print_val(debug, ipaddr) ip6_addr_debug_print_val(debug, ipaddr)
#define ipaddr_ntoa(ipaddr) ip6addr_ntoa(ipaddr)
#define ipaddr_ntoa_r(ipaddr, buf, buflen) ip6addr_ntoa_r(ipaddr, buf, buflen)
#define ipaddr_aton(cp, addr) ip6addr_aton(cp, addr)
#endif /* LWIP_IPV4 */
#endif /* LWIP_IPV4 && LWIP_IPV6 */
#if LWIP_IPV4
extern const ip_addr_t ip_addr_any;
extern const ip_addr_t ip_addr_broadcast;
/** IP_ADDR_ can be used as a fixed/const ip_addr_t
* for the IPv4 wildcard and the broadcast address
*/
#define IP_ADDR_ANY (&ip_addr_any)
#define IP_ADDR_BROADCAST (&ip_addr_broadcast)
/** IP4_ADDR_ can be used as a fixed/const ip4_addr_t
* for the wildcard and the broadcast address
*/
#define IP4_ADDR_ANY (ip_2_ip4(&ip_addr_any))
#define IP4_ADDR_BROADCAST (ip_2_ip4(&ip_addr_broadcast))
#endif /* LWIP_IPV4*/
#if LWIP_IPV6
extern const ip_addr_t ip6_addr_any;
/** IP6_ADDR_ANY can be used as a fixed ip_addr_t
* for the IPv6 wildcard address
*/
#define IP6_ADDR_ANY (&ip6_addr_any)
/** IP6_ADDR_ANY6 can be used as a fixed ip6_addr_t
* for the IPv6 wildcard address
*/
#define IP6_ADDR_ANY6 (ip_2_ip6(&ip6_addr_any))
#if !LWIP_IPV4
/** Just a little upgrade-helper for IPv6-only configurations: */
#define IP_ADDR_ANY IP6_ADDR_ANY
#endif /* !LWIP_IPV4 */
#endif
#if LWIP_IPV4 && LWIP_IPV6
#define IP_ANY_TYPE (&ip_addr_any_type)
#else
#define IP_ANY_TYPE IP_ADDR_ANY
#endif
#ifdef __cplusplus
}
#endif
#endif /* LWIP_HDR_IP_ADDR_H__ */

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components/lwip/include/lwip/lwip/ip_frag.h
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/*
* Copyright (c) 2001-2004 Swedish Institute of Computer Science.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* This file is part of the lwIP TCP/IP stack.
*
* Author: Jani Monoses <jani@iv.ro>
*
*/
#ifndef LWIP_HDR_IP_FRAG_H
#define LWIP_HDR_IP_FRAG_H
#include "lwip/opt.h"
#include "lwip/err.h"
#include "lwip/pbuf.h"
#include "lwip/netif.h"
#include "lwip/ip_addr.h"
#include "lwip/ip.h"
#if LWIP_IPV4
#ifdef __cplusplus
extern "C" {
#endif
#if IP_REASSEMBLY
/* The IP reassembly timer interval in milliseconds. */
#define IP_TMR_INTERVAL 1000
/* IP reassembly helper struct.
* This is exported because memp needs to know the size.
*/
struct ip_reassdata {
struct ip_reassdata *next;
struct pbuf *p;
struct ip_hdr iphdr;
u16_t datagram_len;
u8_t flags;
u8_t timer;
};
void ip_reass_init(void);
void ip_reass_tmr(void);
struct pbuf * ip4_reass(struct pbuf *p);
#endif /* IP_REASSEMBLY */
#if IP_FRAG
#if !IP_FRAG_USES_STATIC_BUF && !LWIP_NETIF_TX_SINGLE_PBUF
/** A custom pbuf that holds a reference to another pbuf, which is freed
* when this custom pbuf is freed. This is used to create a custom PBUF_REF
* that points into the original pbuf. */
#ifndef LWIP_PBUF_CUSTOM_REF_DEFINED
#define LWIP_PBUF_CUSTOM_REF_DEFINED
struct pbuf_custom_ref {
/** 'base class' */
struct pbuf_custom pc;
/** pointer to the original pbuf that is referenced */
struct pbuf *original;
};
#endif /* LWIP_PBUF_CUSTOM_REF_DEFINED */
#endif /* !IP_FRAG_USES_STATIC_BUF && !LWIP_NETIF_TX_SINGLE_PBUF */
err_t ip4_frag(struct pbuf *p, struct netif *netif, const ip4_addr_t *dest);
#endif /* IP_FRAG */
#ifdef __cplusplus
}
#endif
#endif /* LWIP_IPV4 */
#endif /* LWIP_HDR_IP_FRAG_H */

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components/lwip/include/lwip/lwip/lwip_debug.h
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@@ -1,25 +0,0 @@
// Copyright 2015-2016 Espressif Systems (Shanghai) PTE LTD
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#ifndef _LWIP_DEBUG_H
#define _LWIP_DEBUG_H
void dbg_lwip_tcp_pcb_show(void);
void dbg_lwip_udp_pcb_show(void);
void dbg_lwip_tcp_rxtx_show(void);
void dbg_lwip_udp_rxtx_show(void);
void dbg_lwip_mem_cnt_show(void);
#endif

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components/lwip/include/lwip/lwip/mem.h
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/*
* Copyright (c) 2001-2004 Swedish Institute of Computer Science.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* This file is part of the lwIP TCP/IP stack.
*
* Author: Adam Dunkels <adam@sics.se>
*
*/
#ifndef LWIP_HDR_MEM_H
#define LWIP_HDR_MEM_H
#include "lwip/opt.h"
#ifdef __cplusplus
extern "C" {
#endif
#if MEM_LIBC_MALLOC
#include <stddef.h> /* for size_t */
typedef size_t mem_size_t;
#define MEM_SIZE_F SZT_F
/* aliases for C library malloc() */
#define mem_init()
/* in case C library malloc() needs extra protection,
* allow these defines to be overridden.
*/
#ifndef mem_free
#define mem_free free
#endif
/**
* lwip_malloc: if CONFIG_ALLOC_MEMORY_IN_SPIRAM_FIRST is enabled, Try to
* allocate memory for lwip in SPIRAM firstly. If failed, try to allocate
* internal memory then.
*/
#if CONFIG_WIFI_LWIP_ALLOCATION_FROM_SPIRAM_FIRST
#ifndef mem_malloc
#define mem_malloc(size) heap_caps_malloc_prefer(size, 2, MALLOC_CAP_DEFAULT|MALLOC_CAP_SPIRAM, MALLOC_CAP_DEFAULT|MALLOC_CAP_INTERNAL)
#endif
#ifndef mem_calloc
#define mem_calloc(n, size) heap_caps_calloc_prefer(n, size, 2, MALLOC_CAP_DEFAULT|MALLOC_CAP_SPIRAM, MALLOC_CAP_DEFAULT|MALLOC_CAP_INTERNAL)
#endif
#else
#ifndef mem_malloc
#define mem_malloc malloc
#endif
#ifndef mem_calloc
#define mem_calloc calloc
#endif
#endif
/* Since there is no C library allocation function to shrink memory without
moving it, define this to nothing. */
#ifndef mem_trim
#define mem_trim(mem, size) (mem)
#endif
#else /* MEM_LIBC_MALLOC */
/* MEM_SIZE would have to be aligned, but using 64000 here instead of
* 65535 leaves some room for alignment...
*/
#if MEM_SIZE > 64000L
typedef u32_t mem_size_t;
#define MEM_SIZE_F U32_F
#else
typedef u16_t mem_size_t;
#define MEM_SIZE_F U16_F
#endif /* MEM_SIZE > 64000 */
#if MEM_USE_POOLS
/** mem_init is not used when using pools instead of a heap */
#define mem_init()
/** mem_trim is not used when using pools instead of a heap:
we can't free part of a pool element and don't want to copy the rest */
#define mem_trim(mem, size) (mem)
#else /* MEM_USE_POOLS */
/* lwIP alternative malloc */
void mem_init(void);
void *mem_trim(void *mem, mem_size_t size);
#endif /* MEM_USE_POOLS */
void *mem_malloc(mem_size_t size);
void *mem_calloc(mem_size_t count, mem_size_t size);
void mem_free(void *mem);
#endif /* MEM_LIBC_MALLOC */
/** Calculate memory size for an aligned buffer - returns the next highest
* multiple of MEM_ALIGNMENT (e.g. LWIP_MEM_ALIGN_SIZE(3) and
* LWIP_MEM_ALIGN_SIZE(4) will both yield 4 for MEM_ALIGNMENT == 4).
*/
#ifndef LWIP_MEM_ALIGN_SIZE
#define LWIP_MEM_ALIGN_SIZE(size) (((size) + MEM_ALIGNMENT - 1U) & ~(MEM_ALIGNMENT-1U))
#endif
/** Calculate safe memory size for an aligned buffer when using an unaligned
* type as storage. This includes a safety-margin on (MEM_ALIGNMENT - 1) at the
* start (e.g. if buffer is u8_t[] and actual data will be u32_t*)
*/
#ifndef LWIP_MEM_ALIGN_BUFFER
#define LWIP_MEM_ALIGN_BUFFER(size) (((size) + MEM_ALIGNMENT - 1U))
#endif
/** Align a memory pointer to the alignment defined by MEM_ALIGNMENT
* so that ADDR % MEM_ALIGNMENT == 0
*/
#ifndef LWIP_MEM_ALIGN
#define LWIP_MEM_ALIGN(addr) ((void *)(((mem_ptr_t)(addr) + MEM_ALIGNMENT - 1) & ~(mem_ptr_t)(MEM_ALIGNMENT-1)))
#endif
#ifdef __cplusplus
}
#endif
#endif /* LWIP_HDR_MEM_H */

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@@ -1,150 +0,0 @@
/*
* Copyright (c) 2001-2004 Swedish Institute of Computer Science.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* This file is part of the lwIP TCP/IP stack.
*
* Author: Adam Dunkels <adam@sics.se>
*
*/
#ifndef LWIP_HDR_MEMP_H
#define LWIP_HDR_MEMP_H
#ifdef __cplusplus
extern "C" {
#endif
/* run once with empty definition to handle all custom includes in lwippools.h */
#define LWIP_MEMPOOL(name,num,size,desc)
#include "lwip/priv/memp_std.h"
/* Create the list of all memory pools managed by memp. MEMP_MAX represents a NULL pool at the end */
typedef enum {
#define LWIP_MEMPOOL(name,num,size,desc) MEMP_##name,
#include "lwip/priv/memp_std.h"
MEMP_MAX
} memp_t;
#include "lwip/priv/memp_priv.h"
/* Private mempools example:
* .h: only when pool is used in multiple .c files: LWIP_MEMPOOL_PROTOTYPE(my_private_pool);
* .c:
* - in global variables section: LWIP_MEMPOOL_DECLARE(my_private_pool, 10, sizeof(foo), "Some description")
* - call ONCE before using pool (e.g. in some init() function): LWIP_MEMPOOL_INIT(my_private_pool);
* - allocate: void* my_new_mem = LWIP_MEMPOOL_ALLOC(my_private_pool);
* - free: LWIP_MEMPOOL_FREE(my_private_pool, my_new_mem);
*
* To relocate a pool, declare it as extern in cc.h. Example for GCC:
* extern u8_t __attribute__((section(".onchip_mem"))) memp_memory_my_private_pool[];
*/
extern const struct memp_desc* const memp_pools[MEMP_MAX];
#define LWIP_MEMPOOL_PROTOTYPE(name) extern const struct memp_desc memp_ ## name
#if MEMP_MEM_MALLOC
#include "lwip/mem.h"
#define memp_init()
#if ESP_STATS_MEM
static inline void* memp_malloc(int type)
{
ESP_CNT_MEM_MALLOC_INC(type);
return mem_malloc(memp_pools[type]->size);
}
static inline void memp_free(int type, void *mem)
{
ESP_CNT_MEM_FREE_INC(type);
mem_free(mem);
}
//#define memp_malloc(type) mem_malloc(memp_pools[type]->size); ESP_CNT_MEM_MALLOC_INC(type)
//#define memp_free(type, mem) mem_free(mem); ESP_CNT_MEM_FREE_INC(type)
#else
#define memp_malloc(type) mem_malloc(memp_pools[type]->size)
#define memp_free(type, mem) mem_free(mem)
#endif
#define LWIP_MEMPOOL_DECLARE(name,num,size,desc) \
const struct memp_desc memp_ ## name = { \
LWIP_MEM_ALIGN_SIZE(size) \
};
#define LWIP_MEMPOOL_INIT(name)
#define LWIP_MEMPOOL_ALLOC(name) mem_malloc(memp_ ## name.size)
#define LWIP_MEMPOOL_FREE(name, x) mem_free(x)
#else /* MEMP_MEM_MALLOC */
#define LWIP_MEMPOOL_DECLARE(name,num,size,desc) u8_t memp_memory_ ## name ## _base \
[((num) * (MEMP_SIZE + MEMP_ALIGN_SIZE(size)))]; \
\
static struct memp *memp_tab_ ## name; \
\
const struct memp_desc memp_ ## name = { \
LWIP_MEM_ALIGN_SIZE(size), \
(num), \
DECLARE_LWIP_MEMPOOL_DESC(desc) \
memp_memory_ ## name ## _base, \
&memp_tab_ ## name \
};
#define LWIP_MEMPOOL_INIT(name) memp_init_pool(&memp_ ## name)
#define LWIP_MEMPOOL_ALLOC(name) memp_malloc_pool(&memp_ ## name)
#define LWIP_MEMPOOL_FREE(name, x) memp_free_pool(&memp_ ## name, (x))
#if MEM_USE_POOLS
/** This structure is used to save the pool one element came from. */
struct memp_malloc_helper
{
memp_t poolnr;
#if MEMP_OVERFLOW_CHECK
u16_t size;
#endif /* MEMP_OVERFLOW_CHECK */
};
#endif /* MEM_USE_POOLS */
void memp_init(void);
#if MEMP_OVERFLOW_CHECK
void *memp_malloc_fn(memp_t type, const char* file, const int line);
#define memp_malloc(t) memp_malloc_fn((t), __FILE__, __LINE__)
#else
void *memp_malloc(memp_t type);
#endif
void memp_free(memp_t type, void *mem);
#endif /* MEMP_MEM_MALLOC */
#ifdef __cplusplus
}
#endif
#endif /* LWIP_HDR_MEMP_H */

119
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/**
* @file
*
* Multicast listener discovery for IPv6. Aims to be compliant with RFC 2710.
* No support for MLDv2.
*/
/*
* Copyright (c) 2010 Inico Technologies Ltd.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* This file is part of the lwIP TCP/IP stack.
*
* Author: Ivan Delamer <delamer@inicotech.com>
*
*
* Please coordinate changes and requests with Ivan Delamer
* <delamer@inicotech.com>
*/
#ifndef LWIP_HDR_MLD6_H
#define LWIP_HDR_MLD6_H
#include "lwip/opt.h"
#if LWIP_IPV6_MLD && LWIP_IPV6 /* don't build if not configured for use in lwipopts.h */
#include "lwip/pbuf.h"
#include "lwip/netif.h"
#ifdef __cplusplus
extern "C" {
#endif
struct mld_group {
/** next link */
struct mld_group *next;
/** interface on which the group is active */
struct netif *netif;
/** multicast address */
ip6_addr_t group_address;
/** signifies we were the last person to report */
u8_t last_reporter_flag;
/** current state of the group */
u8_t group_state;
/** timer for reporting */
u16_t timer;
/** counter of simultaneous uses */
u8_t use;
};
/** Multicast listener report/query/done message header. */
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/bpstruct.h"
#endif
PACK_STRUCT_BEGIN
struct mld_header {
PACK_STRUCT_FLD_8(u8_t type);
PACK_STRUCT_FLD_8(u8_t code);
PACK_STRUCT_FIELD(u16_t chksum);
PACK_STRUCT_FIELD(u16_t max_resp_delay);
PACK_STRUCT_FIELD(u16_t reserved);
PACK_STRUCT_FLD_S(ip6_addr_p_t multicast_address);
/* Options follow. */
} PACK_STRUCT_STRUCT;
PACK_STRUCT_END
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/epstruct.h"
#endif
#define MLD6_TMR_INTERVAL 100 /* Milliseconds */
/* MAC Filter Actions, these are passed to a netif's
* mld_mac_filter callback function. */
#define MLD6_DEL_MAC_FILTER 0
#define MLD6_ADD_MAC_FILTER 1
err_t mld6_stop(struct netif *netif);
void mld6_report_groups(struct netif *netif);
void mld6_tmr(void);
struct mld_group *mld6_lookfor_group(struct netif *ifp, const ip6_addr_t *addr);
void mld6_input(struct pbuf *p, struct netif *inp);
err_t mld6_joingroup(const ip6_addr_t *srcaddr, const ip6_addr_t *groupaddr);
err_t mld6_joingroup_netif(struct netif *netif, const ip6_addr_t *groupaddr);
err_t mld6_leavegroup(const ip6_addr_t *srcaddr, const ip6_addr_t *groupaddr);
err_t mld6_leavegroup_netif(struct netif *netif, const ip6_addr_t *groupaddr);
#ifdef __cplusplus
}
#endif
#endif /* LWIP_IPV6_MLD && LWIP_IPV6 */
#endif /* LWIP_HDR_MLD6_H */

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components/lwip/include/lwip/lwip/nd6.h
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@@ -1,365 +0,0 @@
/**
* @file
*
* Neighbor discovery and stateless address autoconfiguration for IPv6.
* Aims to be compliant with RFC 4861 (Neighbor discovery) and RFC 4862
* (Address autoconfiguration).
*/
/*
* Copyright (c) 2010 Inico Technologies Ltd.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* This file is part of the lwIP TCP/IP stack.
*
* Author: Ivan Delamer <delamer@inicotech.com>
*
*
* Please coordinate changes and requests with Ivan Delamer
* <delamer@inicotech.com>
*/
#ifndef LWIP_HDR_ND6_H
#define LWIP_HDR_ND6_H
#include "lwip/opt.h"
#if LWIP_IPV6 /* don't build if not configured for use in lwipopts.h */
#include "lwip/pbuf.h"
#include "lwip/ip6.h"
#include "lwip/ip6_addr.h"
#include "lwip/netif.h"
#ifdef __cplusplus
extern "C" {
#endif
/* Struct for tables. */
struct nd6_neighbor_cache_entry {
ip6_addr_t next_hop_address;
struct netif * netif;
u8_t lladdr[NETIF_MAX_HWADDR_LEN];
/*u32_t pmtu;*/
#if LWIP_ND6_QUEUEING
/** Pointer to queue of pending outgoing packets on this entry. */
struct nd6_q_entry *q;
#else /* LWIP_ND6_QUEUEING */
/** Pointer to a single pending outgoing packet on this entry. */
struct pbuf *q;
#endif /* LWIP_ND6_QUEUEING */
u8_t state;
u8_t isrouter;
union {
u32_t reachable_time;
u32_t delay_time;
u32_t probes_sent;
u32_t stale_time;
} counter;
};
struct nd6_destination_cache_entry {
ip6_addr_t destination_addr;
ip6_addr_t next_hop_addr;
u16_t pmtu;
u32_t age;
};
struct nd6_prefix_list_entry {
ip6_addr_t prefix;
struct netif * netif;
u32_t invalidation_timer;
#if LWIP_IPV6_AUTOCONFIG
u8_t flags;
#define ND6_PREFIX_AUTOCONFIG_AUTONOMOUS 0x01
#define ND6_PREFIX_AUTOCONFIG_ADDRESS_GENERATED 0x02
#define ND6_PREFIX_AUTOCONFIG_ADDRESS_DUPLICATE 0x04
#endif /* LWIP_IPV6_AUTOCONFIG */
};
struct nd6_router_list_entry {
struct nd6_neighbor_cache_entry * neighbor_entry;
u32_t invalidation_timer;
u8_t flags;
};
enum nd6_neighbor_cache_entry_state {
ND6_NO_ENTRY = 0,
ND6_INCOMPLETE,
ND6_REACHABLE,
ND6_STALE,
ND6_DELAY,
ND6_PROBE
};
#if LWIP_ND6_QUEUEING
/** struct for queueing outgoing packets for unknown address
* defined here to be accessed by memp.h
*/
struct nd6_q_entry {
struct nd6_q_entry *next;
struct pbuf *p;
};
#endif /* LWIP_ND6_QUEUEING */
/** Neighbor solicitation message header. */
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/bpstruct.h"
#endif
PACK_STRUCT_BEGIN
struct ns_header {
PACK_STRUCT_FLD_8(u8_t type);
PACK_STRUCT_FLD_8(u8_t code);
PACK_STRUCT_FIELD(u16_t chksum);
PACK_STRUCT_FIELD(u32_t reserved);
PACK_STRUCT_FLD_S(ip6_addr_p_t target_address);
/* Options follow. */
} PACK_STRUCT_STRUCT;
PACK_STRUCT_END
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/epstruct.h"
#endif
/** Neighbor advertisement message header. */
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/bpstruct.h"
#endif
PACK_STRUCT_BEGIN
struct na_header {
PACK_STRUCT_FLD_8(u8_t type);
PACK_STRUCT_FLD_8(u8_t code);
PACK_STRUCT_FIELD(u16_t chksum);
PACK_STRUCT_FLD_8(u8_t flags);
PACK_STRUCT_FLD_8(u8_t reserved[3]);
PACK_STRUCT_FLD_S(ip6_addr_p_t target_address);
/* Options follow. */
} PACK_STRUCT_STRUCT;
PACK_STRUCT_END
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/epstruct.h"
#endif
#define ND6_FLAG_ROUTER (0x80)
#define ND6_FLAG_SOLICITED (0x40)
#define ND6_FLAG_OVERRIDE (0x20)
/** Router solicitation message header. */
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/bpstruct.h"
#endif
PACK_STRUCT_BEGIN
struct rs_header {
PACK_STRUCT_FLD_8(u8_t type);
PACK_STRUCT_FLD_8(u8_t code);
PACK_STRUCT_FIELD(u16_t chksum);
PACK_STRUCT_FIELD(u32_t reserved);
/* Options follow. */
} PACK_STRUCT_STRUCT;
PACK_STRUCT_END
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/epstruct.h"
#endif
/** Router advertisement message header. */
#define ND6_RA_FLAG_MANAGED_ADDR_CONFIG (0x80)
#define ND6_RA_FLAG_OTHER_CONFIG (0x40)
#define ND6_RA_FLAG_HOME_AGENT (0x20)
#define ND6_RA_PREFERENCE_MASK (0x18)
#define ND6_RA_PREFERENCE_HIGH (0x08)
#define ND6_RA_PREFERENCE_MEDIUM (0x00)
#define ND6_RA_PREFERENCE_LOW (0x18)
#define ND6_RA_PREFERENCE_DISABLED (0x10)
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/bpstruct.h"
#endif
PACK_STRUCT_BEGIN
struct ra_header {
PACK_STRUCT_FLD_8(u8_t type);
PACK_STRUCT_FLD_8(u8_t code);
PACK_STRUCT_FIELD(u16_t chksum);
PACK_STRUCT_FLD_8(u8_t current_hop_limit);
PACK_STRUCT_FLD_8(u8_t flags);
PACK_STRUCT_FIELD(u16_t router_lifetime);
PACK_STRUCT_FIELD(u32_t reachable_time);
PACK_STRUCT_FIELD(u32_t retrans_timer);
/* Options follow. */
} PACK_STRUCT_STRUCT;
PACK_STRUCT_END
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/epstruct.h"
#endif
/** Redirect message header. */
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/bpstruct.h"
#endif
PACK_STRUCT_BEGIN
struct redirect_header {
PACK_STRUCT_FLD_8(u8_t type);
PACK_STRUCT_FLD_8(u8_t code);
PACK_STRUCT_FIELD(u16_t chksum);
PACK_STRUCT_FIELD(u32_t reserved);
PACK_STRUCT_FLD_S(ip6_addr_p_t target_address);
PACK_STRUCT_FLD_S(ip6_addr_p_t destination_address);
/* Options follow. */
} PACK_STRUCT_STRUCT;
PACK_STRUCT_END
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/epstruct.h"
#endif
/** Link-layer address option. */
#define ND6_OPTION_TYPE_SOURCE_LLADDR (0x01)
#define ND6_OPTION_TYPE_TARGET_LLADDR (0x02)
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/bpstruct.h"
#endif
PACK_STRUCT_BEGIN
struct lladdr_option {
PACK_STRUCT_FLD_8(u8_t type);
PACK_STRUCT_FLD_8(u8_t length);
PACK_STRUCT_FLD_8(u8_t addr[NETIF_MAX_HWADDR_LEN]);
} PACK_STRUCT_STRUCT;
PACK_STRUCT_END
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/epstruct.h"
#endif
/** Prefix information option. */
#define ND6_OPTION_TYPE_PREFIX_INFO (0x03)
#define ND6_PREFIX_FLAG_ON_LINK (0x80)
#define ND6_PREFIX_FLAG_AUTONOMOUS (0x40)
#define ND6_PREFIX_FLAG_ROUTER_ADDRESS (0x20)
#define ND6_PREFIX_FLAG_SITE_PREFIX (0x10)
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/bpstruct.h"
#endif
PACK_STRUCT_BEGIN
struct prefix_option {
PACK_STRUCT_FLD_8(u8_t type);
PACK_STRUCT_FLD_8(u8_t length);
PACK_STRUCT_FLD_8(u8_t prefix_length);
PACK_STRUCT_FLD_8(u8_t flags);
PACK_STRUCT_FIELD(u32_t valid_lifetime);
PACK_STRUCT_FIELD(u32_t preferred_lifetime);
PACK_STRUCT_FLD_8(u8_t reserved2[3]);
PACK_STRUCT_FLD_8(u8_t site_prefix_length);
PACK_STRUCT_FLD_S(ip6_addr_p_t prefix);
} PACK_STRUCT_STRUCT;
PACK_STRUCT_END
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/epstruct.h"
#endif
/** Redirected header option. */
#define ND6_OPTION_TYPE_REDIR_HDR (0x04)
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/bpstruct.h"
#endif
PACK_STRUCT_BEGIN
struct redirected_header_option {
PACK_STRUCT_FLD_8(u8_t type);
PACK_STRUCT_FLD_8(u8_t length);
PACK_STRUCT_FLD_8(u8_t reserved[6]);
/* Portion of redirected packet follows. */
/* PACK_STRUCT_FLD_8(u8_t redirected[8]); */
} PACK_STRUCT_STRUCT;
PACK_STRUCT_END
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/epstruct.h"
#endif
/** MTU option. */
#define ND6_OPTION_TYPE_MTU (0x05)
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/bpstruct.h"
#endif
PACK_STRUCT_BEGIN
struct mtu_option {
PACK_STRUCT_FLD_8(u8_t type);
PACK_STRUCT_FLD_8(u8_t length);
PACK_STRUCT_FIELD(u16_t reserved);
PACK_STRUCT_FIELD(u32_t mtu);
} PACK_STRUCT_STRUCT;
PACK_STRUCT_END
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/epstruct.h"
#endif
/** Route information option. */
#define ND6_OPTION_TYPE_ROUTE_INFO (24)
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/bpstruct.h"
#endif
PACK_STRUCT_BEGIN
struct route_option {
PACK_STRUCT_FLD_8(u8_t type);
PACK_STRUCT_FLD_8(u8_t length);
PACK_STRUCT_FLD_8(u8_t prefix_length);
PACK_STRUCT_FLD_8(u8_t preference);
PACK_STRUCT_FIELD(u32_t route_lifetime);
PACK_STRUCT_FLD_S(ip6_addr_p_t prefix);
} PACK_STRUCT_STRUCT;
PACK_STRUCT_END
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/epstruct.h"
#endif
/** 1 second period */
#define ND6_TMR_INTERVAL 1000
/* Router tables. */
/* TODO make these static? and entries accessible through API? */
extern struct nd6_neighbor_cache_entry neighbor_cache[];
extern struct nd6_destination_cache_entry destination_cache[];
extern struct nd6_prefix_list_entry prefix_list[];
extern struct nd6_router_list_entry default_router_list[];
/* Default values, can be updated by a RA message. */
extern u32_t reachable_time;
extern u32_t retrans_timer;
void nd6_tmr(void);
void nd6_input(struct pbuf *p, struct netif *inp);
s8_t nd6_get_next_hop_entry(const ip6_addr_t * ip6addr, struct netif * netif);
s8_t nd6_select_router(const ip6_addr_t * ip6addr, struct netif * netif);
u16_t nd6_get_destination_mtu(const ip6_addr_t * ip6addr, struct netif * netif);
err_t nd6_queue_packet(s8_t neighbor_index, struct pbuf * p);
#if LWIP_ND6_TCP_REACHABILITY_HINTS
void nd6_reachability_hint(const ip6_addr_t * ip6addr);
#endif /* LWIP_ND6_TCP_REACHABILITY_HINTS */
#if ESP_LWIP
/** set nd6 callback when ipv6 addr state pref*/
void nd6_set_cb(struct netif *netif, void (*cb)(struct netif *netif, u8_t ip_index));
#endif
#ifdef __cplusplus
}
#endif
#endif /* LWIP_IPV6 */
#endif /* LWIP_HDR_ND6_H */

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/*
* Copyright (c) 2001-2004 Swedish Institute of Computer Science.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* This file is part of the lwIP TCP/IP stack.
*
* Author: Adam Dunkels <adam@sics.se>
*
*/
#ifndef LWIP_HDR_NETBUF_H
#define LWIP_HDR_NETBUF_H
#include "lwip/opt.h"
#if LWIP_NETCONN || LWIP_SOCKET /* don't build if not configured for use in lwipopts.h */
/* Note: Netconn API is always available when sockets are enabled -
* sockets are implemented on top of them */
#include "lwip/pbuf.h"
#include "lwip/ip_addr.h"
#include "lwip/ip6_addr.h"
#ifdef __cplusplus
extern "C" {
#endif
/** This netbuf has dest-addr/port set */
#define NETBUF_FLAG_DESTADDR 0x01
/** This netbuf includes a checksum */
#define NETBUF_FLAG_CHKSUM 0x02
struct netbuf {
struct pbuf *p, *ptr;
ip_addr_t addr;
u16_t port;
#if LWIP_NETBUF_RECVINFO || LWIP_CHECKSUM_ON_COPY
#if LWIP_CHECKSUM_ON_COPY
u8_t flags;
#endif /* LWIP_CHECKSUM_ON_COPY */
u16_t toport_chksum;
#if LWIP_NETBUF_RECVINFO
ip_addr_t toaddr;
#endif /* LWIP_NETBUF_RECVINFO */
#endif /* LWIP_NETBUF_RECVINFO || LWIP_CHECKSUM_ON_COPY */
};
/* Network buffer functions: */
struct netbuf * netbuf_new (void);
void netbuf_delete (struct netbuf *buf);
void * netbuf_alloc (struct netbuf *buf, u16_t size);
void netbuf_free (struct netbuf *buf);
err_t netbuf_ref (struct netbuf *buf,
const void *dataptr, u16_t size);
void netbuf_chain (struct netbuf *head, struct netbuf *tail);
err_t netbuf_data (struct netbuf *buf,
void **dataptr, u16_t *len);
s8_t netbuf_next (struct netbuf *buf);
void netbuf_first (struct netbuf *buf);
#define netbuf_copy_partial(buf, dataptr, len, offset) \
pbuf_copy_partial((buf)->p, (dataptr), (len), (offset))
#define netbuf_copy(buf,dataptr,len) netbuf_copy_partial(buf, dataptr, len, 0)
#define netbuf_take(buf, dataptr, len) pbuf_take((buf)->p, dataptr, len)
#define netbuf_len(buf) ((buf)->p->tot_len)
#define netbuf_fromaddr(buf) (&((buf)->addr))
#define netbuf_set_fromaddr(buf, fromaddr) ip_addr_set(&((buf)->addr), fromaddr)
#define netbuf_fromport(buf) ((buf)->port)
#if LWIP_NETBUF_RECVINFO
#define netbuf_destaddr(buf) (&((buf)->toaddr))
#define netbuf_set_destaddr(buf, destaddr) ip_addr_set(&((buf)->toaddr), destaddr)
#if LWIP_CHECKSUM_ON_COPY
#define netbuf_destport(buf) (((buf)->flags & NETBUF_FLAG_DESTADDR) ? (buf)->toport_chksum : 0)
#else /* LWIP_CHECKSUM_ON_COPY */
#define netbuf_destport(buf) ((buf)->toport_chksum)
#endif /* LWIP_CHECKSUM_ON_COPY */
#endif /* LWIP_NETBUF_RECVINFO */
#if LWIP_CHECKSUM_ON_COPY
#define netbuf_set_chksum(buf, chksum) do { (buf)->flags = NETBUF_FLAG_CHKSUM; \
(buf)->toport_chksum = chksum; } while(0)
#endif /* LWIP_CHECKSUM_ON_COPY */
#ifdef __cplusplus
}
#endif
#endif /* LWIP_NETCONN || LWIP_SOCKET */
#endif /* LWIP_HDR_NETBUF_H */

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/*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* This file is part of the lwIP TCP/IP stack.
*
* Author: Simon Goldschmidt
*
*/
#ifndef LWIP_HDR_NETDB_H
#define LWIP_HDR_NETDB_H
#include "lwip/opt.h"
#if LWIP_DNS && LWIP_SOCKET
#include <stddef.h> /* for size_t */
#include "lwip/inet.h"
#include "lwip/sockets.h"
#ifdef __cplusplus
extern "C" {
#endif
/* some rarely used options */
#ifndef LWIP_DNS_API_DECLARE_H_ERRNO
#define LWIP_DNS_API_DECLARE_H_ERRNO 1
#endif
#ifndef LWIP_DNS_API_DEFINE_ERRORS
#define LWIP_DNS_API_DEFINE_ERRORS 1
#endif
#ifndef LWIP_DNS_API_DEFINE_FLAGS
#define LWIP_DNS_API_DEFINE_FLAGS 1
#endif
#ifndef LWIP_DNS_API_DECLARE_STRUCTS
#define LWIP_DNS_API_DECLARE_STRUCTS 1
#endif
#if LWIP_DNS_API_DEFINE_ERRORS
/** Errors used by the DNS API functions, h_errno can be one of them */
#define EAI_NONAME 200
#define EAI_SERVICE 201
#define EAI_FAIL 202
#define EAI_MEMORY 203
#define EAI_FAMILY 204
#define HOST_NOT_FOUND 210
#define NO_DATA 211
#define NO_RECOVERY 212
#define TRY_AGAIN 213
#endif /* LWIP_DNS_API_DEFINE_ERRORS */
#if LWIP_DNS_API_DEFINE_FLAGS
/* input flags for struct addrinfo */
#define AI_PASSIVE 0x01
#define AI_CANONNAME 0x02
#define AI_NUMERICHOST 0x04
#define AI_NUMERICSERV 0x08
#define AI_V4MAPPED 0x10
#define AI_ALL 0x20
#define AI_ADDRCONFIG 0x40
#endif /* LWIP_DNS_API_DEFINE_FLAGS */
#if LWIP_DNS_API_DECLARE_STRUCTS
struct hostent {
char *h_name; /* Official name of the host. */
char **h_aliases; /* A pointer to an array of pointers to alternative host names,
terminated by a null pointer. */
int h_addrtype; /* Address type. */
int h_length; /* The length, in bytes, of the address. */
char **h_addr_list; /* A pointer to an array of pointers to network addresses (in
network byte order) for the host, terminated by a null pointer. */
#define h_addr h_addr_list[0] /* for backward compatibility */
};
struct addrinfo {
int ai_flags; /* Input flags. */
int ai_family; /* Address family of socket. */
int ai_socktype; /* Socket type. */
int ai_protocol; /* Protocol of socket. */
socklen_t ai_addrlen; /* Length of socket address. */
struct sockaddr *ai_addr; /* Socket address of socket. */
char *ai_canonname; /* Canonical name of service location. */
struct addrinfo *ai_next; /* Pointer to next in list. */
};
#endif /* LWIP_DNS_API_DECLARE_STRUCTS */
#define NETDB_ELEM_SIZE (sizeof(struct addrinfo) + sizeof(struct sockaddr_storage) + DNS_MAX_NAME_LENGTH + 1)
#if LWIP_DNS_API_DECLARE_H_ERRNO
/* application accessible error code set by the DNS API functions */
extern int h_errno;
#endif /* LWIP_DNS_API_DECLARE_H_ERRNO*/
struct hostent *lwip_gethostbyname(const char *name);
int lwip_gethostbyname_r(const char *name, struct hostent *ret, char *buf,
size_t buflen, struct hostent **result, int *h_errnop);
void lwip_freeaddrinfo(struct addrinfo *ai);
int lwip_getaddrinfo(const char *nodename,
const char *servname,
const struct addrinfo *hints,
struct addrinfo **res);
#if LWIP_COMPAT_SOCKETS
#if LWIP_COMPAT_SOCKET_ADDR == 1
/* Some libraries have problems with inet_... being macros, so please use this define
to declare normal functions */
static inline int gethostbyname_r(const char *name, struct hostent *ret, char *buf, size_t buflen, struct hostent **result, int *h_errnop)
{ return lwip_gethostbyname_r(name, ret, buf, buflen, result, h_errnop); }
static inline struct hostent *gethostbyname(const char *name)
{ return lwip_gethostbyname(name); }
static inline void freeaddrinfo(struct addrinfo *ai)
{ lwip_freeaddrinfo(ai); }
static inline int getaddrinfo(const char *nodename, const char *servname, const struct addrinfo *hints, struct addrinfo **res)
{ return lwip_getaddrinfo(nodename, servname, hints, res); }
#else
/* By default fall back to original inet_... macros */
#define gethostbyname(name) lwip_gethostbyname(name)
#define gethostbyname_r(name, ret, buf, buflen, result, h_errnop) \
lwip_gethostbyname_r(name, ret, buf, buflen, result, h_errnop)
#define freeaddrinfo(addrinfo) lwip_freeaddrinfo(addrinfo)
#define getaddrinfo(nodname, servname, hints, res) \
lwip_getaddrinfo(nodname, servname, hints, res)
#endif /* LWIP_COMPAT_SOCKET_ADDR == 1 */
#endif /* LWIP_COMPAT_SOCKETS */
#ifdef __cplusplus
}
#endif
#endif /* LWIP_DNS && LWIP_SOCKET */
#endif /* LWIP_HDR_NETDB_H */

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/*
* Copyright (c) 2001-2004 Swedish Institute of Computer Science.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* This file is part of the lwIP TCP/IP stack.
*
* Author: Adam Dunkels <adam@sics.se>
*
*/
#ifndef LWIP_HDR_NETIF_H
#define LWIP_HDR_NETIF_H
#include "lwip/opt.h"
#define ENABLE_LOOPBACK (LWIP_NETIF_LOOPBACK || LWIP_HAVE_LOOPIF)
#include "lwip/err.h"
#include "lwip/ip_addr.h"
#include "lwip/def.h"
#include "lwip/pbuf.h"
#include "lwip/stats.h"
#if LWIP_DHCP
struct dhcp;
#endif
#if LWIP_AUTOIP
struct autoip;
#endif
#if LWIP_IPV6_DHCP6
struct dhcp6;
#endif /* LWIP_IPV6_DHCP6 */
#ifdef __cplusplus
extern "C" {
#endif
/* Throughout this file, IP addresses are expected to be in
* the same byte order as in IP_PCB. */
/** Must be the maximum of all used hardware address lengths
across all types of interfaces in use.
This does not have to be changed, normally. */
#ifndef NETIF_MAX_HWADDR_LEN
#define NETIF_MAX_HWADDR_LEN 6U
#endif
/** Whether the network interface is 'up'. This is
* a software flag used to control whether this network
* interface is enabled and processes traffic.
* It must be set by the startup code before this netif can be used
* (also for dhcp/autoip).
*/
#define NETIF_FLAG_UP 0x01U
/** If set, the netif has broadcast capability.
* Set by the netif driver in its init function. */
#define NETIF_FLAG_BROADCAST 0x02U
/** If set, the interface has an active link
* (set by the network interface driver).
* Either set by the netif driver in its init function (if the link
* is up at that time) or at a later point once the link comes up
* (if link detection is supported by the hardware). */
#define NETIF_FLAG_LINK_UP 0x04U
/** If set, the netif is an ethernet device using ARP.
* Set by the netif driver in its init function.
* Used to check input packet types and use of DHCP. */
#define NETIF_FLAG_ETHARP 0x08U
/** If set, the netif is an ethernet device. It might not use
* ARP or TCP/IP if it is used for PPPoE only.
*/
#define NETIF_FLAG_ETHERNET 0x10U
/** If set, the netif has IGMP capability.
* Set by the netif driver in its init function. */
#define NETIF_FLAG_IGMP 0x20U
/** If set, the netif has MLD6 capability.
* Set by the netif driver in its init function. */
#define NETIF_FLAG_MLD6 0x40U
#if LWIP_CHECKSUM_CTRL_PER_NETIF
#define NETIF_CHECKSUM_GEN_IP 0x0001
#define NETIF_CHECKSUM_GEN_UDP 0x0002
#define NETIF_CHECKSUM_GEN_TCP 0x0004
#define NETIF_CHECKSUM_GEN_ICMP 0x0008
#define NETIF_CHECKSUM_GEN_ICMP6 0x0010
#define NETIF_CHECKSUM_CHECK_IP 0x0100
#define NETIF_CHECKSUM_CHECK_UDP 0x0200
#define NETIF_CHECKSUM_CHECK_TCP 0x0400
#define NETIF_CHECKSUM_CHECK_ICMP 0x0800
#define NETIF_CHECKSUM_CHECK_ICMP6 0x1000
#define NETIF_CHECKSUM_ENABLE_ALL 0xFFFF
#define NETIF_CHECKSUM_DISABLE_ALL 0x0000
#endif /* LWIP_CHECKSUM_CTRL_PER_NETIF */
struct netif;
/** Function prototype for netif init functions. Set up flags and output/linkoutput
* callback functions in this function.
*
* @param netif The netif to initialize
*/
typedef err_t (*netif_init_fn)(struct netif *netif);
/** Function prototype for netif->input functions. This function is saved as 'input'
* callback function in the netif struct. Call it when a packet has been received.
*
* @param p The received packet, copied into a pbuf
* @param inp The netif which received the packet
*/
typedef err_t (*netif_input_fn)(struct pbuf *p, struct netif *inp);
#if LWIP_IPV4
/** Function prototype for netif->output functions. Called by lwIP when a packet
* shall be sent. For ethernet netif, set this to 'etharp_output' and set
* 'linkoutput'.
*
* @param netif The netif which shall send a packet
* @param p The packet to send (p->payload points to IP header)
* @param ipaddr The IP address to which the packet shall be sent
*/
typedef err_t (*netif_output_fn)(struct netif *netif, struct pbuf *p,
const ip4_addr_t *ipaddr);
#endif /* LWIP_IPV4*/
#if LWIP_IPV6
/** Function prototype for netif->output_ip6 functions. Called by lwIP when a packet
* shall be sent. For ethernet netif, set this to 'ethip6_output' and set
* 'linkoutput'.
*
* @param netif The netif which shall send a packet
* @param p The packet to send (p->payload points to IP header)
* @param ipaddr The IPv6 address to which the packet shall be sent
*/
typedef err_t (*netif_output_ip6_fn)(struct netif *netif, struct pbuf *p,
const ip6_addr_t *ipaddr);
#endif /* LWIP_IPV6 */
/** Function prototype for netif->linkoutput functions. Only used for ethernet
* netifs. This function is called by ARP when a packet shall be sent.
*
* @param netif The netif which shall send a packet
* @param p The packet to send (raw ethernet packet)
*/
typedef err_t (*netif_linkoutput_fn)(struct netif *netif, struct pbuf *p);
/** Function prototype for netif status- or link-callback functions. */
typedef void (*netif_status_callback_fn)(struct netif *netif);
#if LWIP_IPV4 && LWIP_IGMP
/** Function prototype for netif igmp_mac_filter functions */
typedef err_t (*netif_igmp_mac_filter_fn)(struct netif *netif,
const ip4_addr_t *group, u8_t action);
#endif /* LWIP_IPV4 && LWIP_IGMP */
#if LWIP_IPV6 && LWIP_IPV6_MLD
/** Function prototype for netif mld_mac_filter functions */
typedef err_t (*netif_mld_mac_filter_fn)(struct netif *netif,
const ip6_addr_t *group, u8_t action);
#endif /* LWIP_IPV6 && LWIP_IPV6_MLD */
#if ESP_DHCP
/*add DHCP event processing by LiuHan*/
typedef void (*dhcp_event_fn)(void);
#endif
/** Generic data structure used for all lwIP network interfaces.
* The following fields should be filled in by the initialization
* function for the device driver: hwaddr_len, hwaddr[], mtu, flags */
struct netif {
/** pointer to next in linked list */
struct netif *next;
#if LWIP_IPV4
/** IP address configuration in network byte order */
ip_addr_t ip_addr;
ip_addr_t netmask;
ip_addr_t gw;
#endif /* LWIP_IPV4 */
#if LWIP_IPV6
/** Array of IPv6 addresses for this netif. */
ip_addr_t ip6_addr[LWIP_IPV6_NUM_ADDRESSES];
/** The state of each IPv6 address (Tentative, Preferred, etc).
* @see ip6_addr.h */
u8_t ip6_addr_state[LWIP_IPV6_NUM_ADDRESSES];
#if ESP_LWIP
void (*ipv6_addr_cb)(struct netif* netif, u8_t ip_idex); /* callback for ipv6 addr states changed */
#endif
#endif /* LWIP_IPV6 */
/** This function is called by the network device driver
* to pass a packet up the TCP/IP stack. */
netif_input_fn input;
#if LWIP_IPV4
/** This function is called by the IP module when it wants
* to send a packet on the interface. This function typically
* first resolves the hardware address, then sends the packet. */
netif_output_fn output;
#endif /* LWIP_IPV4 */
/** This function is called by the ARP module when it wants
* to send a packet on the interface. This function outputs
* the pbuf as-is on the link medium. */
netif_linkoutput_fn linkoutput;
#if LWIP_IPV6
/** This function is called by the IPv6 module when it wants
* to send a packet on the interface. This function typically
* first resolves the hardware address, then sends the packet. */
netif_output_ip6_fn output_ip6;
#endif /* LWIP_IPV6 */
#if LWIP_NETIF_STATUS_CALLBACK
/** This function is called when the netif state is set to up or down
*/
netif_status_callback_fn status_callback;
#endif /* LWIP_NETIF_STATUS_CALLBACK */
#if LWIP_NETIF_LINK_CALLBACK
/** This function is called when the netif link is set to up or down
*/
netif_status_callback_fn link_callback;
#endif /* LWIP_NETIF_LINK_CALLBACK */
#if LWIP_NETIF_REMOVE_CALLBACK
/** This function is called when the netif has been removed */
netif_status_callback_fn remove_callback;
#endif /* LWIP_NETIF_REMOVE_CALLBACK */
/** This field can be set by the device driver and could point
* to state information for the device. */
void *state;
#if LWIP_DHCP
/** the DHCP client state information for this netif */
struct dhcp *dhcp;
#if ESP_LWIP
struct udp_pcb *dhcps_pcb;
dhcp_event_fn dhcp_event;
#endif
#endif /* LWIP_DHCP */
#if LWIP_AUTOIP
/** the AutoIP client state information for this netif */
struct autoip *autoip;
#endif
#if LWIP_IPV6_AUTOCONFIG
/** is this netif enabled for IPv6 autoconfiguration */
u8_t ip6_autoconfig_enabled;
#endif /* LWIP_IPV6_AUTOCONFIG */
#if LWIP_IPV6_SEND_ROUTER_SOLICIT
/** Number of Router Solicitation messages that remain to be sent. */
u8_t rs_count;
#endif /* LWIP_IPV6_SEND_ROUTER_SOLICIT */
#if LWIP_IPV6_DHCP6
/** the DHCPv6 client state information for this netif */
struct dhcp6 *dhcp6;
#endif /* LWIP_IPV6_DHCP6 */
#if LWIP_NETIF_HOSTNAME
/* the hostname for this netif, NULL is a valid value */
const char* hostname;
#endif /* LWIP_NETIF_HOSTNAME */
#if LWIP_CHECKSUM_CTRL_PER_NETIF
u16_t chksum_flags;
#endif /* LWIP_CHECKSUM_CTRL_PER_NETIF*/
/** maximum transfer unit (in bytes) */
u16_t mtu;
/** number of bytes used in hwaddr */
u8_t hwaddr_len;
/** link level hardware address of this interface */
u8_t hwaddr[NETIF_MAX_HWADDR_LEN];
/** flags (see NETIF_FLAG_ above) */
u8_t flags;
/** descriptive abbreviation */
char name[2];
/** number of this interface */
u8_t num;
#if MIB2_STATS
/** link type (from "snmp_ifType" enum from snmp_mib2.h) */
u8_t link_type;
/** (estimate) link speed */
u32_t link_speed;
/** timestamp at last change made (up/down) */
u32_t ts;
/** counters */
struct stats_mib2_netif_ctrs mib2_counters;
#endif /* MIB2_STATS */
#if LWIP_IPV4 && LWIP_IGMP
/** This function could be called to add or delete an entry in the multicast
filter table of the ethernet MAC.*/
netif_igmp_mac_filter_fn igmp_mac_filter;
#endif /* LWIP_IPV4 && LWIP_IGMP */
#if LWIP_IPV6 && LWIP_IPV6_MLD
/** This function could be called to add or delete an entry in the IPv6 multicast
filter table of the ethernet MAC. */
netif_mld_mac_filter_fn mld_mac_filter;
#endif /* LWIP_IPV6 && LWIP_IPV6_MLD */
#if LWIP_NETIF_HWADDRHINT
u8_t *addr_hint;
#endif /* LWIP_NETIF_HWADDRHINT */
#if ENABLE_LOOPBACK
/* List of packets to be queued for ourselves. */
struct pbuf *loop_first;
struct pbuf *loop_last;
#if LWIP_LOOPBACK_MAX_PBUFS
u16_t loop_cnt_current;
#endif /* LWIP_LOOPBACK_MAX_PBUFS */
#endif /* ENABLE_LOOPBACK */
#if ESP_LWIP
void (*l2_buffer_free_notify)(void *user_buf); /* Allows LWIP to notify driver when a L2-supplied pbuf can be freed */
ip_addr_t last_ip_addr; /* Store last non-zero ip address */
#endif
};
#if LWIP_CHECKSUM_CTRL_PER_NETIF
#define NETIF_SET_CHECKSUM_CTRL(netif, chksumflags) do { \
(netif)->chksum_flags = chksumflags; } while(0)
#define IF__NETIF_CHECKSUM_ENABLED(netif, chksumflag) if (((netif) == NULL) || (((netif)->chksum_flags & (chksumflag)) != 0))
#else /* LWIP_CHECKSUM_CTRL_PER_NETIF */
#define NETIF_SET_CHECKSUM_CTRL(netif, chksumflags)
#define IF__NETIF_CHECKSUM_ENABLED(netif, chksumflag)
#endif /* LWIP_CHECKSUM_CTRL_PER_NETIF */
/** The list of network interfaces. */
extern struct netif *netif_list;
/** The default network interface. */
extern struct netif *netif_default;
void netif_init(void);
struct netif *netif_add(struct netif *netif,
#if LWIP_IPV4
const ip4_addr_t *ipaddr, const ip4_addr_t *netmask, const ip4_addr_t *gw,
#endif /* LWIP_IPV4 */
void *state, netif_init_fn init, netif_input_fn input);
#if LWIP_IPV4
void netif_set_addr(struct netif *netif, const ip4_addr_t *ipaddr, const ip4_addr_t *netmask,
const ip4_addr_t *gw);
#endif /* LWIP_IPV4 */
void netif_remove(struct netif * netif);
/* Returns a network interface given its name. The name is of the form
"et0", where the first two letters are the "name" field in the
netif structure, and the digit is in the num field in the same
structure. */
struct netif *netif_find(const char *name);
void netif_set_default(struct netif *netif);
#if LWIP_IPV4
void netif_set_ipaddr(struct netif *netif, const ip4_addr_t *ipaddr);
void netif_set_netmask(struct netif *netif, const ip4_addr_t *netmask);
void netif_set_gw(struct netif *netif, const ip4_addr_t *gw);
#define netif_ip4_addr(netif) ((const ip4_addr_t*)ip_2_ip4(&((netif)->ip_addr)))
#define netif_ip4_netmask(netif) ((const ip4_addr_t*)ip_2_ip4(&((netif)->netmask)))
#define netif_ip4_gw(netif) ((const ip4_addr_t*)ip_2_ip4(&((netif)->gw)))
#define netif_ip_addr4(netif) ((const ip_addr_t*)&((netif)->ip_addr))
#define netif_ip_gw4(netif) ((const ip_addr_t*)&((netif)->gw))
#endif /* LWIP_IPV4 */
void netif_set_up(struct netif *netif);
void netif_set_down(struct netif *netif);
/** Ask if an interface is up */
#define netif_is_up(netif) ( ((netif) && ((netif)->flags & NETIF_FLAG_UP)) ? (u8_t)1 : (u8_t)0)
#if LWIP_NETIF_STATUS_CALLBACK
void netif_set_status_callback(struct netif *netif, netif_status_callback_fn status_callback);
#endif /* LWIP_NETIF_STATUS_CALLBACK */
#if LWIP_NETIF_REMOVE_CALLBACK
void netif_set_remove_callback(struct netif *netif, netif_status_callback_fn remove_callback);
#endif /* LWIP_NETIF_REMOVE_CALLBACK */
void netif_set_link_up(struct netif *netif);
void netif_set_link_down(struct netif *netif);
/** Ask if a link is up */
#define netif_is_link_up(netif) (((netif)->flags & NETIF_FLAG_LINK_UP) ? (u8_t)1 : (u8_t)0)
#if LWIP_NETIF_LINK_CALLBACK
void netif_set_link_callback(struct netif *netif, netif_status_callback_fn link_callback);
#endif /* LWIP_NETIF_LINK_CALLBACK */
#if LWIP_NETIF_HOSTNAME
#define netif_set_hostname(netif, name) do { if((netif) != NULL) { (netif)->hostname = name; }}while(0)
#define netif_get_hostname(netif) (((netif) != NULL) ? ((netif)->hostname) : NULL)
#endif /* LWIP_NETIF_HOSTNAME */
#if LWIP_IGMP
#define netif_set_igmp_mac_filter(netif, function) do { if((netif) != NULL) { (netif)->igmp_mac_filter = function; }}while(0)
#define netif_get_igmp_mac_filter(netif) (((netif) != NULL) ? ((netif)->igmp_mac_filter) : NULL)
#endif /* LWIP_IGMP */
#if LWIP_IPV6 && LWIP_IPV6_MLD
#define netif_set_mld_mac_filter(netif, function) do { if((netif) != NULL) { (netif)->mld_mac_filter = function; }}while(0)
#define netif_get_mld_mac_filter(netif) (((netif) != NULL) ? ((netif)->mld_mac_filter) : NULL)
#endif /* LWIP_IPV6 && LWIP_IPV6_MLD */
#if ENABLE_LOOPBACK
err_t netif_loop_output(struct netif *netif, struct pbuf *p);
void netif_poll(struct netif *netif);
#if !LWIP_NETIF_LOOPBACK_MULTITHREADING
void netif_poll_all(void);
#endif /* !LWIP_NETIF_LOOPBACK_MULTITHREADING */
#endif /* ENABLE_LOOPBACK */
#if LWIP_IPV6
#define netif_ip_addr6(netif, i) ((const ip_addr_t*)(&((netif)->ip6_addr[i])))
#define netif_ip6_addr(netif, i) ((const ip6_addr_t*)ip_2_ip6(&((netif)->ip6_addr[i])))
#define netif_ip6_addr_set(netif, i, addr6) do { ip6_addr_set(ip_2_ip6(&((netif)->ip6_addr[i])), addr6); IP_SET_TYPE_VAL((netif)->ip6_addr[i], IPADDR_TYPE_V6); } while(0)
#define netif_ip6_addr_state(netif, i) ((netif)->ip6_addr_state[i])
#define netif_ip6_addr_set_state(netif, i, state) ((netif)->ip6_addr_state[i] = (state))
s8_t netif_get_ip6_addr_match(struct netif *netif, const ip6_addr_t *ip6addr);
void netif_create_ip6_linklocal_address(struct netif *netif, u8_t from_mac_48bit);
err_t netif_add_ip6_address(struct netif *netif, const ip6_addr_t *ip6addr, s8_t *chosen_idx);
#endif /* LWIP_IPV6 */
#if LWIP_NETIF_HWADDRHINT
#define NETIF_SET_HWADDRHINT(netif, hint) ((netif)->addr_hint = (hint))
#else /* LWIP_NETIF_HWADDRHINT */
#define NETIF_SET_HWADDRHINT(netif, hint)
#endif /* LWIP_NETIF_HWADDRHINT */
#ifdef __cplusplus
}
#endif
#endif /* LWIP_HDR_NETIF_H */

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/*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* This file is part of the lwIP TCP/IP stack.
*
*/
#ifndef LWIP_HDR_NETIFAPI_H
#define LWIP_HDR_NETIFAPI_H
#include "lwip/opt.h"
#if LWIP_NETIF_API /* don't build if not configured for use in lwipopts.h */
#include "lwip/sys.h"
#include "lwip/netif.h"
#include "lwip/dhcp.h"
#include "lwip/autoip.h"
#include "lwip/priv/tcpip_priv.h"
#ifdef __cplusplus
extern "C" {
#endif
#if LWIP_MPU_COMPATIBLE
#define NETIFAPI_IPADDR_DEF(type, m) type m
#else /* LWIP_MPU_COMPATIBLE */
#define NETIFAPI_IPADDR_DEF(type, m) const type * m
#endif /* LWIP_MPU_COMPATIBLE */
typedef void (*netifapi_void_fn)(struct netif *netif);
typedef err_t (*netifapi_errt_fn)(struct netif *netif);
struct netifapi_msg {
struct tcpip_api_call call;
struct netif *netif;
union {
struct {
#if LWIP_IPV4
NETIFAPI_IPADDR_DEF(ip4_addr_t, ipaddr);
NETIFAPI_IPADDR_DEF(ip4_addr_t, netmask);
NETIFAPI_IPADDR_DEF(ip4_addr_t, gw);
#endif /* LWIP_IPV4 */
void *state;
netif_init_fn init;
netif_input_fn input;
} add;
struct {
netifapi_void_fn voidfunc;
netifapi_errt_fn errtfunc;
} common;
} msg;
};
/* API for application */
err_t netifapi_netif_add(struct netif *netif,
#if LWIP_IPV4
const ip4_addr_t *ipaddr, const ip4_addr_t *netmask, const ip4_addr_t *gw,
#endif /* LWIP_IPV4 */
void *state, netif_init_fn init, netif_input_fn input);
#if LWIP_IPV4
err_t netifapi_netif_set_addr(struct netif *netif, const ip4_addr_t *ipaddr,
const ip4_addr_t *netmask, const ip4_addr_t *gw);
#endif /* LWIP_IPV4*/
err_t netifapi_netif_common(struct netif *netif, netifapi_void_fn voidfunc,
netifapi_errt_fn errtfunc);
#define netifapi_netif_remove(n) netifapi_netif_common(n, netif_remove, NULL)
#define netifapi_netif_set_up(n) netifapi_netif_common(n, netif_set_up, NULL)
#define netifapi_netif_set_down(n) netifapi_netif_common(n, netif_set_down, NULL)
#define netifapi_netif_set_default(n) netifapi_netif_common(n, netif_set_default, NULL)
#define netifapi_dhcp_start(n) netifapi_netif_common(n, NULL, dhcp_start)
#define netifapi_dhcp_stop(n) netifapi_netif_common(n, dhcp_stop, NULL)
#define netifapi_dhcp_inform(n) netifapi_netif_common(n, dhcp_inform, NULL)
#define netifapi_dhcp_renew(n) netifapi_netif_common(n, NULL, dhcp_renew)
#define netifapi_dhcp_release(n) netifapi_netif_common(n, NULL, dhcp_release)
#define netifapi_autoip_start(n) netifapi_netif_common(n, NULL, autoip_start)
#define netifapi_autoip_stop(n) netifapi_netif_common(n, NULL, autoip_stop)
#ifdef __cplusplus
}
#endif
#endif /* LWIP_NETIF_API */
#endif /* LWIP_HDR_NETIFAPI_H */

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components/lwip/include/lwip/lwip/pbuf.h
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/*
* Copyright (c) 2001-2004 Swedish Institute of Computer Science.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* This file is part of the lwIP TCP/IP stack.
*
* Author: Adam Dunkels <adam@sics.se>
*
*/
#ifndef LWIP_HDR_PBUF_H
#define LWIP_HDR_PBUF_H
#include "lwip/opt.h"
#include "lwip/err.h"
#ifdef __cplusplus
extern "C" {
#endif
/** LWIP_SUPPORT_CUSTOM_PBUF==1: Custom pbufs behave much like their pbuf type
* but they are allocated by external code (initialised by calling
* pbuf_alloced_custom()) and when pbuf_free gives up their last reference, they
* are freed by calling pbuf_custom->custom_free_function().
* Currently, the pbuf_custom code is only needed for one specific configuration
* of IP_FRAG, unless required by external driver/application code. */
#ifndef LWIP_SUPPORT_CUSTOM_PBUF
#define LWIP_SUPPORT_CUSTOM_PBUF ((IP_FRAG && !IP_FRAG_USES_STATIC_BUF && !LWIP_NETIF_TX_SINGLE_PBUF) || (LWIP_IPV6 && LWIP_IPV6_FRAG))
#endif
/* @todo: We need a mechanism to prevent wasting memory in every pbuf
(TCP vs. UDP, IPv4 vs. IPv6: UDP/IPv4 packets may waste up to 28 bytes) */
#define PBUF_TRANSPORT_HLEN 20
#if LWIP_IPV6
#define PBUF_IP_HLEN 40
#else
#define PBUF_IP_HLEN 20
#endif
typedef enum {
PBUF_TRANSPORT,
PBUF_IP,
PBUF_LINK,
PBUF_RAW_TX,
PBUF_RAW
} pbuf_layer;
typedef enum {
/** pbuf data is stored in RAM, used for TX mostly, struct pbuf and its payload
are allocated in one piece of contiguous memory (so the first payload byte
can be calculated from struct pbuf)
pbuf_alloc() allocates PBUF_RAM pbufs as unchained pbufs (although that might
change in future versions) */
PBUF_RAM,
/** pbuf data is stored in ROM, i.e. struct pbuf and its payload are located in
totally different memory areas. Since it points to ROM, payload does not
have to be copied when queued for transmission. */
PBUF_ROM,
/** pbuf comes from the pbuf pool. Much like PBUF_ROM but payload might change
so it has to be duplicated when queued before transmitting, depending on
who has a 'ref' to it. */
PBUF_REF,
/** pbuf payload refers to RAM. This one comes from a pool and should be used
for RX. Payload can be chained (scatter-gather RX) but like PBUF_RAM, struct
pbuf and its payload are allocated in one piece of contiguous memory (so
the first payload byte can be calculated from struct pbuf) */
PBUF_POOL
} pbuf_type;
/** indicates this packet's data should be immediately passed to the application */
#define PBUF_FLAG_PUSH 0x01U
/** indicates this is a custom pbuf: pbuf_free calls pbuf_custom->custom_free_function()
when the last reference is released (plus custom PBUF_RAM cannot be trimmed) */
#define PBUF_FLAG_IS_CUSTOM 0x02U
/** indicates this pbuf is UDP multicast to be looped back */
#define PBUF_FLAG_MCASTLOOP 0x04U
/** indicates this pbuf was received as link-level broadcast */
#define PBUF_FLAG_LLBCAST 0x08U
/** indicates this pbuf was received as link-level multicast */
#define PBUF_FLAG_LLMCAST 0x10U
/** indicates this pbuf includes a TCP FIN flag */
#define PBUF_FLAG_TCP_FIN 0x20U
struct pbuf {
/** next pbuf in singly linked pbuf chain */
struct pbuf *next;
/** pointer to the actual data in the buffer */
void *payload;
/**
* total length of this buffer and all next buffers in chain
* belonging to the same packet.
*
* For non-queue packet chains this is the invariant:
* p->tot_len == p->len + (p->next? p->next->tot_len: 0)
*/
u16_t tot_len;
/** length of this buffer */
u16_t len;
/** pbuf_type as u8_t instead of enum to save space */
u8_t /*pbuf_type*/ type;
/** misc flags */
u8_t flags;
/**
* the reference count always equals the number of pointers
* that refer to this pbuf. This can be pointers from an application,
* the stack itself, or pbuf->next pointers from a chain.
*/
u16_t ref;
#if ESP_LWIP
struct netif *l2_owner;
void *l2_buf;
#endif
};
/** Helper struct for const-correctness only.
* The only meaning of this one is to provide a const payload pointer
* for PBUF_ROM type.
*/
struct pbuf_rom {
/** next pbuf in singly linked pbuf chain */
struct pbuf *next;
/** pointer to the actual data in the buffer */
const void *payload;
};
#if LWIP_SUPPORT_CUSTOM_PBUF
/** Prototype for a function to free a custom pbuf */
typedef void (*pbuf_free_custom_fn)(struct pbuf *p);
/** A custom pbuf: like a pbuf, but following a function pointer to free it. */
struct pbuf_custom {
/** The actual pbuf */
struct pbuf pbuf;
/** This function is called when pbuf_free deallocates this pbuf(_custom) */
pbuf_free_custom_fn custom_free_function;
};
#endif /* LWIP_SUPPORT_CUSTOM_PBUF */
/** Define this to 0 to prevent freeing ooseq pbufs when the PBUF_POOL is empty */
#ifndef PBUF_POOL_FREE_OOSEQ
#define PBUF_POOL_FREE_OOSEQ 1
#endif /* PBUF_POOL_FREE_OOSEQ */
#if LWIP_TCP && TCP_QUEUE_OOSEQ && NO_SYS && PBUF_POOL_FREE_OOSEQ
extern volatile u8_t pbuf_free_ooseq_pending;
void pbuf_free_ooseq(void);
/** When not using sys_check_timeouts(), call PBUF_CHECK_FREE_OOSEQ()
at regular intervals from main level to check if ooseq pbufs need to be
freed! */
#define PBUF_CHECK_FREE_OOSEQ() do { if(pbuf_free_ooseq_pending) { \
/* pbuf_alloc() reported PBUF_POOL to be empty -> try to free some \
ooseq queued pbufs now */ \
pbuf_free_ooseq(); }}while(0)
#else /* LWIP_TCP && TCP_QUEUE_OOSEQ && NO_SYS && PBUF_POOL_FREE_OOSEQ */
/* Otherwise declare an empty PBUF_CHECK_FREE_OOSEQ */
#define PBUF_CHECK_FREE_OOSEQ()
#endif /* LWIP_TCP && TCP_QUEUE_OOSEQ && NO_SYS && PBUF_POOL_FREE_OOSEQ*/
/* Initializes the pbuf module. This call is empty for now, but may not be in future. */
#define pbuf_init()
struct pbuf *pbuf_alloc(pbuf_layer l, u16_t length, pbuf_type type);
#if LWIP_SUPPORT_CUSTOM_PBUF
struct pbuf *pbuf_alloced_custom(pbuf_layer l, u16_t length, pbuf_type type,
struct pbuf_custom *p, void *payload_mem,
u16_t payload_mem_len);
#endif /* LWIP_SUPPORT_CUSTOM_PBUF */
void pbuf_realloc(struct pbuf *p, u16_t size);
u8_t pbuf_header(struct pbuf *p, s16_t header_size);
u8_t pbuf_header_force(struct pbuf *p, s16_t header_size);
void pbuf_ref(struct pbuf *p);
u8_t pbuf_free(struct pbuf *p);
u8_t pbuf_clen(struct pbuf *p);
void pbuf_cat(struct pbuf *head, struct pbuf *tail);
void pbuf_chain(struct pbuf *head, struct pbuf *tail);
struct pbuf *pbuf_dechain(struct pbuf *p);
err_t pbuf_copy(struct pbuf *p_to, struct pbuf *p_from);
u16_t pbuf_copy_partial(struct pbuf *p, void *dataptr, u16_t len, u16_t offset);
err_t pbuf_take(struct pbuf *buf, const void *dataptr, u16_t len);
err_t pbuf_take_at(struct pbuf *buf, const void *dataptr, u16_t len, u16_t offset);
struct pbuf *pbuf_skip(struct pbuf* in, u16_t in_offset, u16_t* out_offset);
struct pbuf *pbuf_coalesce(struct pbuf *p, pbuf_layer layer);
#if LWIP_CHECKSUM_ON_COPY
err_t pbuf_fill_chksum(struct pbuf *p, u16_t start_offset, const void *dataptr,
u16_t len, u16_t *chksum);
#endif /* LWIP_CHECKSUM_ON_COPY */
#if LWIP_TCP && TCP_QUEUE_OOSEQ && LWIP_WND_SCALE
void pbuf_split_64k(struct pbuf *p, struct pbuf **rest);
#endif /* LWIP_TCP && TCP_QUEUE_OOSEQ && LWIP_WND_SCALE */
u8_t pbuf_get_at(struct pbuf* p, u16_t offset);
void pbuf_put_at(struct pbuf* p, u16_t offset, u8_t data);
u16_t pbuf_memcmp(struct pbuf* p, u16_t offset, const void* s2, u16_t n);
u16_t pbuf_memfind(struct pbuf* p, const void* mem, u16_t mem_len, u16_t start_offset);
u16_t pbuf_strstr(struct pbuf* p, const char* substr);
#ifdef __cplusplus
}
#endif
#endif /* LWIP_HDR_PBUF_H */

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/*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* This file is part of the lwIP TCP/IP stack.
*
*/
#ifndef __LWIP_PPPAPI_H__
#define __LWIP_PPPAPI_H__
#include "lwip/opt.h"
#if LWIP_PPP_API /* don't build if not configured for use in lwipopts.h */
#include "lwip/sys.h"
#include "lwip/netif.h"
#include "lwip/priv/tcpip_priv.h"
#include "netif/ppp/ppp.h"
#if PPPOS_SUPPORT
#include "netif/ppp/pppos.h"
#endif /* PPPOS_SUPPORT */
#ifdef __cplusplus
extern "C" {
#endif
struct pppapi_msg_msg {
ppp_pcb *ppp;
union {
struct {
u8_t authtype;
const char *user;
const char *passwd;
} setauth;
#if PPP_NOTIFY_PHASE
struct {
ppp_notify_phase_cb_fn notify_phase_cb;
} setnotifyphasecb;
#endif /* PPP_NOTIFY_PHASE */
#if PPPOS_SUPPORT
struct {
struct netif *pppif;
pppos_output_cb_fn output_cb;
ppp_link_status_cb_fn link_status_cb;
void *ctx_cb;
} serialcreate;
#endif /* PPPOS_SUPPORT */
#if PPPOE_SUPPORT
struct {
struct netif *pppif;
struct netif *ethif;
const char *service_name;
const char *concentrator_name;
ppp_link_status_cb_fn link_status_cb;
void *ctx_cb;
} ethernetcreate;
#endif /* PPPOE_SUPPORT */
#if PPPOL2TP_SUPPORT
struct {
struct netif *pppif;
struct netif *netif;
ip_addr_t *ipaddr;
u16_t port;
#if PPPOL2TP_AUTH_SUPPORT
const u8_t *secret;
u8_t secret_len;
#endif /* PPPOL2TP_AUTH_SUPPORT */
ppp_link_status_cb_fn link_status_cb;
void *ctx_cb;
} l2tpcreate;
#endif /* PPPOL2TP_SUPPORT */
struct {
u16_t holdoff;
} connect;
#if PPP_SERVER
struct {
struct ppp_addrs *addrs;
} listen;
#endif /* PPP_SERVER */
struct {
u8_t nocarrier;
} close;
struct {
u8_t cmd;
void *arg;
} ioctl;
} msg;
};
struct pppapi_msg {
struct tcpip_api_call call;
struct pppapi_msg_msg msg;
};
/* API for application */
void pppapi_set_default(ppp_pcb *pcb);
void pppapi_set_auth(ppp_pcb *pcb, u8_t authtype, const char *user, const char *passwd);
#if PPP_NOTIFY_PHASE
void pppapi_set_notify_phase_callback(ppp_pcb *pcb, ppp_notify_phase_cb_fn notify_phase_cb);
#endif /* PPP_NOTIFY_PHASE */
#if PPPOS_SUPPORT
ppp_pcb *pppapi_pppos_create(struct netif *pppif, pppos_output_cb_fn output_cb, ppp_link_status_cb_fn link_status_cb, void *ctx_cb);
#endif /* PPPOS_SUPPORT */
#if PPPOE_SUPPORT
ppp_pcb *pppapi_pppoe_create(struct netif *pppif, struct netif *ethif, const char *service_name,
const char *concentrator_name, ppp_link_status_cb_fn link_status_cb,
void *ctx_cb);
#endif /* PPPOE_SUPPORT */
#if PPPOL2TP_SUPPORT
ppp_pcb *pppapi_pppol2tp_create(struct netif *pppif, struct netif *netif, ip_addr_t *ipaddr, u16_t port,
const u8_t *secret, u8_t secret_len,
ppp_link_status_cb_fn link_status_cb, void *ctx_cb);
#endif /* PPPOL2TP_SUPPORT */
err_t pppapi_connect(ppp_pcb *pcb, u16_t holdoff);
#if PPP_SERVER
err_t pppapi_listen(ppp_pcb *pcb, struct ppp_addrs *addrs);
#endif /* PPP_SERVER */
err_t pppapi_close(ppp_pcb *pcb, u8_t nocarrier);
err_t pppapi_free(ppp_pcb *pcb);
err_t pppapi_ioctl(ppp_pcb *pcb, u8_t cmd, void *arg);
#ifdef __cplusplus
}
#endif
#endif /* LWIP_PPP_API */
#endif /* __LWIP_PPPAPI_H__ */

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@@ -1,259 +0,0 @@
/*
* Copyright (c) 2001-2004 Swedish Institute of Computer Science.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* This file is part of the lwIP TCP/IP stack.
*
* Author: Adam Dunkels <adam@sics.se>
*
*/
#ifndef LWIP_HDR_API_MSG_H
#define LWIP_HDR_API_MSG_H
#include "lwip/opt.h"
#if LWIP_NETCONN || LWIP_SOCKET /* don't build if not configured for use in lwipopts.h */
/* Note: Netconn API is always available when sockets are enabled -
* sockets are implemented on top of them */
#include <stddef.h> /* for size_t */
#include "lwip/ip_addr.h"
#include "lwip/err.h"
#include "lwip/sys.h"
#include "lwip/igmp.h"
#include "lwip/api.h"
#ifdef __cplusplus
extern "C" {
#endif
#if LWIP_MPU_COMPATIBLE
#define API_MSG_M_DEF(m) m
#define API_MSG_M_DEF_C(t, m) t m
#if LWIP_NETCONN_SEM_PER_THREAD
#define API_MSG_M_DEF_SEM(m) *m
#else
#define API_MSG_M_DEF_SEM(m) API_MSG_M_DEF(m)
#endif
#else /* LWIP_MPU_COMPATIBLE */
#define API_MSG_M_DEF(m) *m
#define API_MSG_M_DEF_C(t, m) const t * m
#define API_MSG_M_DEF_SEM(m) API_MSG_M_DEF(m)
#endif /* LWIP_MPU_COMPATIBLE */
/* For the netconn API, these values are use as a bitmask! */
#define NETCONN_SHUT_RD 1
#define NETCONN_SHUT_WR 2
#define NETCONN_SHUT_RDWR (NETCONN_SHUT_RD | NETCONN_SHUT_WR)
/* IP addresses and port numbers are expected to be in
* the same byte order as in the corresponding pcb.
*/
/** This struct includes everything that is necessary to execute a function
for a netconn in another thread context (mainly used to process netconns
in the tcpip_thread context to be thread safe). */
struct api_msg_msg {
/** The netconn which to process - always needed: it includes the semaphore
which is used to block the application thread until the function finished. */
struct netconn *conn;
/** The return value of the function executed in tcpip_thread. */
err_t err;
/** Depending on the executed function, one of these union members is used */
union {
/** used for lwip_netconn_do_send */
struct netbuf *b;
/** used for lwip_netconn_do_newconn */
struct {
u8_t proto;
} n;
/** used for lwip_netconn_do_bind and lwip_netconn_do_connect */
struct {
API_MSG_M_DEF_C(ip_addr_t, ipaddr);
u16_t port;
} bc;
/** used for lwip_netconn_do_getaddr */
struct {
ip_addr_t API_MSG_M_DEF(ipaddr);
u16_t API_MSG_M_DEF(port);
u8_t local;
} ad;
/** used for lwip_netconn_do_write */
struct {
const void *dataptr;
size_t len;
u8_t apiflags;
#if LWIP_SO_SNDTIMEO
u32_t time_started;
#endif /* LWIP_SO_SNDTIMEO */
} w;
/** used for lwip_netconn_do_recv */
struct {
u32_t len;
} r;
#if LWIP_TCP
/** used for lwip_netconn_do_close (/shutdown) */
struct {
u8_t shut;
#if LWIP_SO_SNDTIMEO || LWIP_SO_LINGER
u32_t time_started;
#else /* LWIP_SO_SNDTIMEO || LWIP_SO_LINGER */
u8_t polls_left;
#endif /* LWIP_SO_SNDTIMEO || LWIP_SO_LINGER */
} sd;
#endif /* LWIP_TCP */
#if LWIP_IGMP || (LWIP_IPV6 && LWIP_IPV6_MLD)
/** used for lwip_netconn_do_join_leave_group */
struct {
API_MSG_M_DEF_C(ip_addr_t, multiaddr);
API_MSG_M_DEF_C(ip_addr_t, netif_addr);
enum netconn_igmp join_or_leave;
} jl;
#endif /* LWIP_IGMP || (LWIP_IPV6 && LWIP_IPV6_MLD) */
#if TCP_LISTEN_BACKLOG
struct {
u8_t backlog;
} lb;
#endif /* TCP_LISTEN_BACKLOG */
} msg;
#if LWIP_NETCONN_SEM_PER_THREAD
sys_sem_t* op_completed_sem;
#endif /* LWIP_NETCONN_SEM_PER_THREAD */
};
#if LWIP_NETCONN_SEM_PER_THREAD
#define LWIP_API_MSG_SEM(msg) ((msg)->op_completed_sem)
#else /* LWIP_NETCONN_SEM_PER_THREAD */
#define LWIP_API_MSG_SEM(msg) (&(msg)->conn->op_completed)
#endif /* LWIP_NETCONN_SEM_PER_THREAD */
/** This struct contains a function to execute in another thread context and
a struct api_msg_msg that serves as an argument for this function.
This is passed to tcpip_apimsg to execute functions in tcpip_thread context. */
struct api_msg {
/** function to execute in tcpip_thread context */
void (* function)(void *msg);
/** arguments for this function */
struct api_msg_msg msg;
};
#if LWIP_DNS
/** As lwip_netconn_do_gethostbyname requires more arguments but doesn't require a netconn,
it has its own struct (to avoid struct api_msg getting bigger than necessary).
lwip_netconn_do_gethostbyname must be called using tcpip_callback instead of tcpip_apimsg
(see netconn_gethostbyname). */
struct dns_api_msg {
/** Hostname to query or dotted IP address string */
#if LWIP_MPU_COMPATIBLE
char name[DNS_MAX_NAME_LENGTH];
#else /* LWIP_MPU_COMPATIBLE */
const char *name;
#endif /* LWIP_MPU_COMPATIBLE */
/** The resolved address is stored here */
ip_addr_t API_MSG_M_DEF(addr);
#if LWIP_IPV4 && LWIP_IPV6
/** Type of resolve call */
u8_t dns_addrtype;
#endif /* LWIP_IPV4 && LWIP_IPV6 */
/** This semaphore is posted when the name is resolved, the application thread
should wait on it. */
sys_sem_t API_MSG_M_DEF_SEM(sem);
/** Errors are given back here */
err_t API_MSG_M_DEF(err);
};
#endif /* LWIP_DNS */
#if LWIP_NETCONN_SEM_PER_THREAD
#if ESP_THREAD_SAFE
#define LWIP_NETCONN_THREAD_SEM_GET() sys_thread_sem_get()
#define LWIP_NETCONN_THREAD_SEM_ALLOC() sys_thread_sem_init()
#define LWIP_NETCONN_THREAD_SEM_FREE() sys_thread_sem_deinit()
#endif
#endif
#if LWIP_TCPIP_CORE_LOCKING
#ifdef LWIP_DEBUG
#define TCIP_APIMSG_SET_ERR(m, e) (m)->msg.err = e /* catch functions that don't set err */
#else
#define TCIP_APIMSG_SET_ERR(m, e)
#endif
#if LWIP_NETCONN_SEM_PER_THREAD
#define TCPIP_APIMSG_SET_SEM(m) ((m)->msg.op_completed_sem = LWIP_NETCONN_THREAD_SEM_GET())
#else
#define TCPIP_APIMSG_SET_SEM(m)
#endif
#define TCPIP_APIMSG_NOERR(m,f) do { \
TCIP_APIMSG_SET_ERR(m, ERR_VAL); \
TCPIP_APIMSG_SET_SEM(m); \
LOCK_TCPIP_CORE(); \
f(&((m)->msg)); \
UNLOCK_TCPIP_CORE(); \
} while(0)
#define TCPIP_APIMSG(m,f,e) do { \
TCPIP_APIMSG_NOERR(m,f); \
(e) = (m)->msg.err; \
} while(0)
#define TCPIP_APIMSG_ACK(m) NETCONN_SET_SAFE_ERR((m)->conn, (m)->err)
#else /* LWIP_TCPIP_CORE_LOCKING */
#define TCPIP_APIMSG_NOERR(m,f) do { (m)->function = f; tcpip_apimsg(m); } while(0)
#define TCPIP_APIMSG(m,f,e) do { (m)->function = f; (e) = tcpip_apimsg(m); } while(0)
#define TCPIP_APIMSG_ACK(m) do { NETCONN_SET_SAFE_ERR((m)->conn, (m)->err); sys_sem_signal(LWIP_API_MSG_SEM(m)); } while(0)
#endif /* LWIP_TCPIP_CORE_LOCKING */
void lwip_netconn_do_newconn (void *m);
void lwip_netconn_do_delconn (void *m);
void lwip_netconn_do_bind (void *m);
void lwip_netconn_do_connect (void *m);
void lwip_netconn_do_disconnect (void *m);
void lwip_netconn_do_listen (void *m);
void lwip_netconn_do_send (void *m);
void lwip_netconn_do_recv (void *m);
#if TCP_LISTEN_BACKLOG
void lwip_netconn_do_accepted (void *m);
#endif
void lwip_netconn_do_write (void *m);
void lwip_netconn_do_getaddr (void *m);
void lwip_netconn_do_close (void *m);
void lwip_netconn_do_shutdown (void *m);
#if LWIP_IGMP || (LWIP_IPV6 && LWIP_IPV6_MLD)
void lwip_netconn_do_join_leave_group(void *m);
#endif /* LWIP_IGMP || (LWIP_IPV6 && LWIP_IPV6_MLD) */
#if LWIP_DNS
void lwip_netconn_do_gethostbyname(void *arg);
#endif /* LWIP_DNS */
struct netconn* netconn_alloc(enum netconn_type t, netconn_callback callback);
void netconn_free(struct netconn *conn);
#ifdef __cplusplus
}
#endif
#endif /* LWIP_NETCONN || LWIP_SOCKET */
#endif /* LWIP_HDR_API_MSG_H */

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/*
* Copyright (c) 2001-2004 Swedish Institute of Computer Science.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* This file is part of the lwIP TCP/IP stack.
*
* Author: Adam Dunkels <adam@sics.se>
*
*/
#ifndef LWIP_HDR_MEMP_PRIV_H
#define LWIP_HDR_MEMP_PRIV_H
#include "lwip/opt.h"
#ifdef __cplusplus
extern "C" {
#endif
#include "lwip/mem.h"
#if MEMP_OVERFLOW_CHECK
/* if MEMP_OVERFLOW_CHECK is turned on, we reserve some bytes at the beginning
* and at the end of each element, initialize them as 0xcd and check
* them later. */
/* If MEMP_OVERFLOW_CHECK is >= 2, on every call to memp_malloc or memp_free,
* every single element in each pool is checked!
* This is VERY SLOW but also very helpful. */
/* MEMP_SANITY_REGION_BEFORE and MEMP_SANITY_REGION_AFTER can be overridden in
* lwipopts.h to change the amount reserved for checking. */
#ifndef MEMP_SANITY_REGION_BEFORE
#define MEMP_SANITY_REGION_BEFORE 16
#endif /* MEMP_SANITY_REGION_BEFORE*/
#if MEMP_SANITY_REGION_BEFORE > 0
#define MEMP_SANITY_REGION_BEFORE_ALIGNED LWIP_MEM_ALIGN_SIZE(MEMP_SANITY_REGION_BEFORE)
#else
#define MEMP_SANITY_REGION_BEFORE_ALIGNED 0
#endif /* MEMP_SANITY_REGION_BEFORE*/
#ifndef MEMP_SANITY_REGION_AFTER
#define MEMP_SANITY_REGION_AFTER 16
#endif /* MEMP_SANITY_REGION_AFTER*/
#if MEMP_SANITY_REGION_AFTER > 0
#define MEMP_SANITY_REGION_AFTER_ALIGNED LWIP_MEM_ALIGN_SIZE(MEMP_SANITY_REGION_AFTER)
#else
#define MEMP_SANITY_REGION_AFTER_ALIGNED 0
#endif /* MEMP_SANITY_REGION_AFTER*/
/* MEMP_SIZE: save space for struct memp and for sanity check */
#define MEMP_SIZE (LWIP_MEM_ALIGN_SIZE(sizeof(struct memp)) + MEMP_SANITY_REGION_BEFORE_ALIGNED)
#define MEMP_ALIGN_SIZE(x) (LWIP_MEM_ALIGN_SIZE(x) + MEMP_SANITY_REGION_AFTER_ALIGNED)
#else /* MEMP_OVERFLOW_CHECK */
/* No sanity checks
* We don't need to preserve the struct memp while not allocated, so we
* can save a little space and set MEMP_SIZE to 0.
*/
#define MEMP_SIZE 0
#define MEMP_ALIGN_SIZE(x) (LWIP_MEM_ALIGN_SIZE(x))
#endif /* MEMP_OVERFLOW_CHECK */
struct memp {
struct memp *next;
#if MEMP_OVERFLOW_CHECK
const char *file;
int line;
#endif /* MEMP_OVERFLOW_CHECK */
};
#if MEM_USE_POOLS
/* Use a helper type to get the start and end of the user "memory pools" for mem_malloc */
typedef enum {
/* Get the first (via:
MEMP_POOL_HELPER_START = ((u8_t) 1*MEMP_POOL_A + 0*MEMP_POOL_B + 0*MEMP_POOL_C + 0)*/
MEMP_POOL_HELPER_FIRST = ((u8_t)
#define LWIP_MEMPOOL(name,num,size,desc)
#define LWIP_MALLOC_MEMPOOL_START 1
#define LWIP_MALLOC_MEMPOOL(num, size) * MEMP_POOL_##size + 0
#define LWIP_MALLOC_MEMPOOL_END
#include "lwip/priv/memp_std.h"
) ,
/* Get the last (via:
MEMP_POOL_HELPER_END = ((u8_t) 0 + MEMP_POOL_A*0 + MEMP_POOL_B*0 + MEMP_POOL_C*1) */
MEMP_POOL_HELPER_LAST = ((u8_t)
#define LWIP_MEMPOOL(name,num,size,desc)
#define LWIP_MALLOC_MEMPOOL_START
#define LWIP_MALLOC_MEMPOOL(num, size) 0 + MEMP_POOL_##size *
#define LWIP_MALLOC_MEMPOOL_END 1
#include "lwip/priv/memp_std.h"
)
} memp_pool_helper_t;
/* The actual start and stop values are here (cast them over)
We use this helper type and these defines so we can avoid using const memp_t values */
#define MEMP_POOL_FIRST ((memp_t) MEMP_POOL_HELPER_FIRST)
#define MEMP_POOL_LAST ((memp_t) MEMP_POOL_HELPER_LAST)
#endif /* MEM_USE_POOLS */
struct memp_desc {
/** Element size */
u16_t size;
#if !MEMP_MEM_MALLOC
/** Number of elements */
u16_t num;
#if defined(LWIP_DEBUG) || MEMP_OVERFLOW_CHECK
/** Textual description */
const char *desc;
#endif /* LWIP_DEBUG || MEMP_OVERFLOW_CHECK */
/** Base */
u8_t *base;
/** First free element of each pool. Elements form a linked list. */
struct memp **tab;
#endif /* MEMP_MEM_MALLOC */
};
#if (ESP_STATS_MEM == 1)
extern uint32_t g_lwip_mem_cnt[MEMP_MAX][2];
#define ESP_CNT_MEM_MALLOC_INC(type) g_lwip_mem_cnt[type][0]++
#define ESP_CNT_MEM_FREE_INC(type) g_lwip_mem_cnt[type][1]++
#else
#define ESP_CNT_MEM_MALLOC_INC(type)
#define ESP_CNT_MEM_FREE_INC(type)
#endif
#ifdef LWIP_DEBUG
#define DECLARE_LWIP_MEMPOOL_DESC(desc) (desc),
#else
#define DECLARE_LWIP_MEMPOOL_DESC(desc)
#endif
void memp_init_pool(const struct memp_desc *desc);
#if MEMP_OVERFLOW_CHECK
void *memp_malloc_pool_fn(const struct memp_desc* desc, const char* file, const int line);
#define memp_malloc_pool(d) memp_malloc_pool_fn((d), __FILE__, __LINE__)
#else
void *memp_malloc_pool(const struct memp_desc *desc);
#endif
void memp_free_pool(const struct memp_desc* desc, void *mem);
#ifdef __cplusplus
}
#endif
#endif /* LWIP_HDR_MEMP_PRIV_H */

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/*
* SETUP: Make sure we define everything we will need.
*
* We have create three types of pools:
* 1) MEMPOOL - standard pools
* 2) MALLOC_MEMPOOL - to be used by mem_malloc in mem.c
* 3) PBUF_MEMPOOL - a mempool of pbuf's, so include space for the pbuf struct
*
* If the include'r doesn't require any special treatment of each of the types
* above, then will declare #2 & #3 to be just standard mempools.
*/
#ifndef LWIP_MALLOC_MEMPOOL
/* This treats "malloc pools" just like any other pool.
The pools are a little bigger to provide 'size' as the amount of user data. */
#define LWIP_MALLOC_MEMPOOL(num, size) LWIP_MEMPOOL(POOL_##size, num, (size + LWIP_MEM_ALIGN_SIZE(sizeof(struct memp_malloc_helper))), "MALLOC_"#size)
#define LWIP_MALLOC_MEMPOOL_START
#define LWIP_MALLOC_MEMPOOL_END
#endif /* LWIP_MALLOC_MEMPOOL */
#ifndef LWIP_PBUF_MEMPOOL
/* This treats "pbuf pools" just like any other pool.
* Allocates buffers for a pbuf struct AND a payload size */
#define LWIP_PBUF_MEMPOOL(name, num, payload, desc) LWIP_MEMPOOL(name, num, (MEMP_ALIGN_SIZE(sizeof(struct pbuf)) + MEMP_ALIGN_SIZE(payload)), desc)
#endif /* LWIP_PBUF_MEMPOOL */
/*
* A list of internal pools used by LWIP.
*
* LWIP_MEMPOOL(pool_name, number_elements, element_size, pool_description)
* creates a pool name MEMP_pool_name. description is used in stats.c
*/
#if LWIP_RAW
LWIP_MEMPOOL(RAW_PCB, MEMP_NUM_RAW_PCB, sizeof(struct raw_pcb), "RAW_PCB")
#endif /* LWIP_RAW */
#if LWIP_UDP
LWIP_MEMPOOL(UDP_PCB, MEMP_NUM_UDP_PCB, sizeof(struct udp_pcb), "UDP_PCB")
#endif /* LWIP_UDP */
#if LWIP_TCP
LWIP_MEMPOOL(TCP_PCB, MEMP_NUM_TCP_PCB, sizeof(struct tcp_pcb), "TCP_PCB")
LWIP_MEMPOOL(TCP_PCB_LISTEN, MEMP_NUM_TCP_PCB_LISTEN, sizeof(struct tcp_pcb_listen), "TCP_PCB_LISTEN")
LWIP_MEMPOOL(TCP_SEG, MEMP_NUM_TCP_SEG, sizeof(struct tcp_seg), "TCP_SEG")
#endif /* LWIP_TCP */
#if LWIP_IPV4 && IP_REASSEMBLY
LWIP_MEMPOOL(REASSDATA, MEMP_NUM_REASSDATA, sizeof(struct ip_reassdata), "REASSDATA")
#endif /* LWIP_IPV4 && IP_REASSEMBLY */
#if (IP_FRAG && !IP_FRAG_USES_STATIC_BUF && !LWIP_NETIF_TX_SINGLE_PBUF) || (LWIP_IPV6 && LWIP_IPV6_FRAG)
LWIP_MEMPOOL(FRAG_PBUF, MEMP_NUM_FRAG_PBUF, sizeof(struct pbuf_custom_ref),"FRAG_PBUF")
#endif /* IP_FRAG && !IP_FRAG_USES_STATIC_BUF && !LWIP_NETIF_TX_SINGLE_PBUF */
#if LWIP_NETCONN || LWIP_SOCKET
LWIP_MEMPOOL(NETBUF, MEMP_NUM_NETBUF, sizeof(struct netbuf), "NETBUF")
LWIP_MEMPOOL(NETCONN, MEMP_NUM_NETCONN, sizeof(struct netconn), "NETCONN")
#endif /* LWIP_NETCONN || LWIP_SOCKET */
#if NO_SYS==0
LWIP_MEMPOOL(TCPIP_MSG_API, MEMP_NUM_TCPIP_MSG_API, sizeof(struct tcpip_msg), "TCPIP_MSG_API")
#if LWIP_MPU_COMPATIBLE
LWIP_MEMPOOL(API_MSG, MEMP_NUM_API_MSG, sizeof(struct api_msg), "API_MSG")
#if LWIP_DNS
LWIP_MEMPOOL(DNS_API_MSG, MEMP_NUM_DNS_API_MSG, sizeof(struct dns_api_msg), "DNS_API_MSG")
#endif
#if LWIP_SOCKET && !LWIP_TCPIP_CORE_LOCKING
LWIP_MEMPOOL(SOCKET_SETGETSOCKOPT_DATA, MEMP_NUM_SOCKET_SETGETSOCKOPT_DATA, sizeof(struct lwip_setgetsockopt_data), "SOCKET_SETGETSOCKOPT_DATA")
#endif
#if LWIP_NETIF_API
LWIP_MEMPOOL(NETIFAPI_MSG, MEMP_NUM_NETIFAPI_MSG, sizeof(struct netifapi_msg), "NETIFAPI_MSG")
#endif
#endif /* LWIP_MPU_COMPATIBLE */
#if !LWIP_TCPIP_CORE_LOCKING_INPUT
LWIP_MEMPOOL(TCPIP_MSG_INPKT,MEMP_NUM_TCPIP_MSG_INPKT, sizeof(struct tcpip_msg), "TCPIP_MSG_INPKT")
#endif /* !LWIP_TCPIP_CORE_LOCKING_INPUT */
#endif /* NO_SYS==0 */
#if LWIP_IPV4 && LWIP_ARP && ARP_QUEUEING
LWIP_MEMPOOL(ARP_QUEUE, MEMP_NUM_ARP_QUEUE, sizeof(struct etharp_q_entry), "ARP_QUEUE")
#endif /* LWIP_IPV4 && LWIP_ARP && ARP_QUEUEING */
#if LWIP_IGMP
LWIP_MEMPOOL(IGMP_GROUP, MEMP_NUM_IGMP_GROUP, sizeof(struct igmp_group), "IGMP_GROUP")
#endif /* LWIP_IGMP */
#if (!NO_SYS || (NO_SYS && !NO_SYS_NO_TIMERS)) /* LWIP_TIMERS */
LWIP_MEMPOOL(SYS_TIMEOUT, MEMP_NUM_SYS_TIMEOUT, sizeof(struct sys_timeo), "SYS_TIMEOUT")
#endif /* LWIP_TIMERS */
#if LWIP_DNS && LWIP_SOCKET
LWIP_MEMPOOL(NETDB, MEMP_NUM_NETDB, NETDB_ELEM_SIZE, "NETDB")
#endif /* LWIP_DNS && LWIP_SOCKET */
#if LWIP_DNS && DNS_LOCAL_HOSTLIST && DNS_LOCAL_HOSTLIST_IS_DYNAMIC
LWIP_MEMPOOL(LOCALHOSTLIST, MEMP_NUM_LOCALHOSTLIST, LOCALHOSTLIST_ELEM_SIZE, "LOCALHOSTLIST")
#endif /* LWIP_DNS && DNS_LOCAL_HOSTLIST && DNS_LOCAL_HOSTLIST_IS_DYNAMIC */
#if PPP_SUPPORT
LWIP_MEMPOOL(PPP_PCB, MEMP_NUM_PPP_PCB, sizeof(ppp_pcb), "PPP_PCB")
#if PPPOS_SUPPORT
LWIP_MEMPOOL(PPPOS_PCB, MEMP_NUM_PPPOS_INTERFACES, sizeof(pppos_pcb), "PPPOS_PCB")
#endif /* PPPOS_SUPPORT */
#if PPPOE_SUPPORT
LWIP_MEMPOOL(PPPOE_IF, MEMP_NUM_PPPOE_INTERFACES, sizeof(struct pppoe_softc), "PPPOE_IF")
#endif /* PPPOE_SUPPORT */
#if PPPOL2TP_SUPPORT
LWIP_MEMPOOL(PPPOL2TP_PCB, MEMP_NUM_PPPOL2TP_INTERFACES, sizeof(pppol2tp_pcb), "PPPOL2TP_PCB")
#endif /* PPPOL2TP_SUPPORT */
#endif /* PPP_SUPPORT */
#if LWIP_IPV6 && LWIP_ND6_QUEUEING
LWIP_MEMPOOL(ND6_QUEUE, MEMP_NUM_ND6_QUEUE, sizeof(struct nd6_q_entry), "ND6_QUEUE")
#endif /* LWIP_IPV6 && LWIP_ND6_QUEUEING */
#if LWIP_IPV6 && LWIP_IPV6_REASS
LWIP_MEMPOOL(IP6_REASSDATA, MEMP_NUM_REASSDATA, sizeof(struct ip6_reassdata), "IP6_REASSDATA")
#endif /* LWIP_IPV6 && LWIP_IPV6_REASS */
#if LWIP_IPV6 && LWIP_IPV6_MLD
LWIP_MEMPOOL(MLD6_GROUP, MEMP_NUM_MLD6_GROUP, sizeof(struct mld_group), "MLD6_GROUP")
#endif /* LWIP_IPV6 && LWIP_IPV6_MLD */
/*
* A list of pools of pbuf's used by LWIP.
*
* LWIP_PBUF_MEMPOOL(pool_name, number_elements, pbuf_payload_size, pool_description)
* creates a pool name MEMP_pool_name. description is used in stats.c
* This allocates enough space for the pbuf struct and a payload.
* (Example: pbuf_payload_size=0 allocates only size for the struct)
*/
LWIP_PBUF_MEMPOOL(PBUF, MEMP_NUM_PBUF, 0, "PBUF_REF/ROM")
LWIP_PBUF_MEMPOOL(PBUF_POOL, PBUF_POOL_SIZE, PBUF_POOL_BUFSIZE, "PBUF_POOL")
/*
* Allow for user-defined pools; this must be explicitly set in lwipopts.h
* since the default is to NOT look for lwippools.h
*/
#if MEMP_USE_CUSTOM_POOLS
#include "lwippools.h"
#endif /* MEMP_USE_CUSTOM_POOLS */
/*
* REQUIRED CLEANUP: Clear up so we don't get "multiply defined" error later
* (#undef is ignored for something that is not defined)
*/
#undef LWIP_MEMPOOL
#undef LWIP_MALLOC_MEMPOOL
#undef LWIP_MALLOC_MEMPOOL_START
#undef LWIP_MALLOC_MEMPOOL_END
#undef LWIP_PBUF_MEMPOOL

545
components/lwip/include/lwip/lwip/priv/tcp_priv.h
View File

@@ -1,545 +0,0 @@
/*
* Copyright (c) 2001-2004 Swedish Institute of Computer Science.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* This file is part of the lwIP TCP/IP stack.
*
* Author: Adam Dunkels <adam@sics.se>
*
*/
#ifndef LWIP_HDR_TCP_IMPL_H
#define LWIP_HDR_TCP_IMPL_H
#include "lwip/opt.h"
#if LWIP_TCP /* don't build if not configured for use in lwipopts.h */
#include "lwip/tcp.h"
#include "lwip/mem.h"
#include "lwip/pbuf.h"
#include "lwip/ip.h"
#include "lwip/icmp.h"
#include "lwip/err.h"
#include "lwip/ip6.h"
#include "lwip/ip6_addr.h"
#ifdef __cplusplus
extern "C" {
#endif
/* Functions for interfacing with TCP: */
/* Lower layer interface to TCP: */
void tcp_init (void); /* Initialize this module. */
void tcp_tmr (void); /* Must be called every
TCP_TMR_INTERVAL
ms. (Typically 250 ms). */
/* It is also possible to call these two functions at the right
intervals (instead of calling tcp_tmr()). */
void tcp_slowtmr (void);
void tcp_fasttmr (void);
/* Call this from a netif driver (watch out for threading issues!) that has
returned a memory error on transmit and now has free buffers to send more.
This iterates all active pcbs that had an error and tries to call
tcp_output, so use this with care as it might slow down the system. */
void tcp_txnow (void);
/* Only used by IP to pass a TCP segment to TCP: */
void tcp_input (struct pbuf *p, struct netif *inp);
/* Used within the TCP code only: */
struct tcp_pcb * tcp_alloc (u8_t prio);
void tcp_abandon (struct tcp_pcb *pcb, int reset);
err_t tcp_send_empty_ack(struct tcp_pcb *pcb);
void tcp_rexmit (struct tcp_pcb *pcb);
void tcp_rexmit_rto (struct tcp_pcb *pcb);
void tcp_rexmit_fast (struct tcp_pcb *pcb);
u32_t tcp_update_rcv_ann_wnd(struct tcp_pcb *pcb);
err_t tcp_process_refused_data(struct tcp_pcb *pcb);
/**
* This is the Nagle algorithm: try to combine user data to send as few TCP
* segments as possible. Only send if
* - no previously transmitted data on the connection remains unacknowledged or
* - the TF_NODELAY flag is set (nagle algorithm turned off for this pcb) or
* - the only unsent segment is at least pcb->mss bytes long (or there is more
* than one unsent segment - with lwIP, this can happen although unsent->len < mss)
* - or if we are in fast-retransmit (TF_INFR)
*/
#define tcp_do_output_nagle(tpcb) ((((tpcb)->unacked == NULL) || \
((tpcb)->flags & (TF_NODELAY | TF_INFR)) || \
(((tpcb)->unsent != NULL) && (((tpcb)->unsent->next != NULL) || \
((tpcb)->unsent->len >= (tpcb)->mss))) || \
((tcp_sndbuf(tpcb) == 0) || (tcp_sndqueuelen(tpcb) >= TCP_SND_QUEUELEN(tpcb))) \
) ? 1 : 0)
#define tcp_output_nagle(tpcb) (tcp_do_output_nagle(tpcb) ? tcp_output(tpcb) : ERR_OK)
#define TCP_SEQ_LT(a,b) ((s32_t)((u32_t)(a) - (u32_t)(b)) < 0)
#define TCP_SEQ_LEQ(a,b) ((s32_t)((u32_t)(a) - (u32_t)(b)) <= 0)
#define TCP_SEQ_GT(a,b) ((s32_t)((u32_t)(a) - (u32_t)(b)) > 0)
#define TCP_SEQ_GEQ(a,b) ((s32_t)((u32_t)(a) - (u32_t)(b)) >= 0)
/* is b<=a<=c? */
#if 0 /* see bug #10548 */
#define TCP_SEQ_BETWEEN(a,b,c) ((c)-(b) >= (a)-(b))
#endif
#define TCP_SEQ_BETWEEN(a,b,c) (TCP_SEQ_GEQ(a,b) && TCP_SEQ_LEQ(a,c))
#define TCP_FIN 0x01U
#define TCP_SYN 0x02U
#define TCP_RST 0x04U
#define TCP_PSH 0x08U
#define TCP_ACK 0x10U
#define TCP_URG 0x20U
#define TCP_ECE 0x40U
#define TCP_CWR 0x80U
#define TCP_FLAGS 0x3fU
/* Length of the TCP header, excluding options. */
#define TCP_HLEN 20
#ifndef TCP_TMR_INTERVAL
#define TCP_TMR_INTERVAL 250 /* The TCP timer interval in milliseconds. */
#endif /* TCP_TMR_INTERVAL */
#ifndef TCP_FAST_INTERVAL
#define TCP_FAST_INTERVAL TCP_TMR_INTERVAL /* the fine grained timeout in milliseconds */
#endif /* TCP_FAST_INTERVAL */
#ifndef TCP_SLOW_INTERVAL
#define TCP_SLOW_INTERVAL (2*TCP_TMR_INTERVAL) /* the coarse grained timeout in milliseconds */
#endif /* TCP_SLOW_INTERVAL */
#define TCP_FIN_WAIT_TIMEOUT 20000 /* milliseconds */
#define TCP_SYN_RCVD_TIMEOUT 20000 /* milliseconds */
#define TCP_OOSEQ_TIMEOUT 6U /* x RTO */
#ifndef TCP_MSL
#define TCP_MSL 60000UL /* The maximum segment lifetime in milliseconds */
#endif
/* Keepalive values, compliant with RFC 1122. Don't change this unless you know what you're doing */
#ifndef TCP_KEEPIDLE_DEFAULT
#define TCP_KEEPIDLE_DEFAULT 7200000UL /* Default KEEPALIVE timer in milliseconds */
#endif
#ifndef TCP_KEEPINTVL_DEFAULT
#define TCP_KEEPINTVL_DEFAULT 75000UL /* Default Time between KEEPALIVE probes in milliseconds */
#endif
#ifndef TCP_KEEPCNT_DEFAULT
#define TCP_KEEPCNT_DEFAULT 9U /* Default Counter for KEEPALIVE probes */
#endif
#define TCP_MAXIDLE TCP_KEEPCNT_DEFAULT * TCP_KEEPINTVL_DEFAULT /* Maximum KEEPALIVE probe time */
/* Fields are (of course) in network byte order.
* Some fields are converted to host byte order in tcp_input().
*/
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/bpstruct.h"
#endif
PACK_STRUCT_BEGIN
struct tcp_hdr {
PACK_STRUCT_FIELD(u16_t src);
PACK_STRUCT_FIELD(u16_t dest);
PACK_STRUCT_FIELD(u32_t seqno);
PACK_STRUCT_FIELD(u32_t ackno);
PACK_STRUCT_FIELD(u16_t _hdrlen_rsvd_flags);
PACK_STRUCT_FIELD(u16_t wnd);
PACK_STRUCT_FIELD(u16_t chksum);
PACK_STRUCT_FIELD(u16_t urgp);
} PACK_STRUCT_STRUCT;
PACK_STRUCT_END
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/epstruct.h"
#endif
#define TCPH_HDRLEN(phdr) (ntohs((phdr)->_hdrlen_rsvd_flags) >> 12)
#define TCPH_FLAGS(phdr) (ntohs((phdr)->_hdrlen_rsvd_flags) & TCP_FLAGS)
#define TCPH_HDRLEN_SET(phdr, len) (phdr)->_hdrlen_rsvd_flags = htons(((len) << 12) | TCPH_FLAGS(phdr))
#define TCPH_FLAGS_SET(phdr, flags) (phdr)->_hdrlen_rsvd_flags = (((phdr)->_hdrlen_rsvd_flags & PP_HTONS(~TCP_FLAGS)) | htons(flags))
#define TCPH_HDRLEN_FLAGS_SET(phdr, len, flags) (phdr)->_hdrlen_rsvd_flags = htons(((len) << 12) | (flags))
#define TCPH_SET_FLAG(phdr, flags ) (phdr)->_hdrlen_rsvd_flags = ((phdr)->_hdrlen_rsvd_flags | htons(flags))
#define TCPH_UNSET_FLAG(phdr, flags) (phdr)->_hdrlen_rsvd_flags = ((phdr)->_hdrlen_rsvd_flags & ~htons(flags))
#define TCP_TCPLEN(seg) ((seg)->len + (((TCPH_FLAGS((seg)->tcphdr) & (TCP_FIN | TCP_SYN)) != 0) ? 1U : 0U))
/** Flags used on input processing, not on pcb->flags
*/
#define TF_RESET (u8_t)0x08U /* Connection was reset. */
#define TF_CLOSED (u8_t)0x10U /* Connection was successfully closed. */
#define TF_GOT_FIN (u8_t)0x20U /* Connection was closed by the remote end. */
#if LWIP_EVENT_API
#define TCP_EVENT_ACCEPT(pcb,err,ret) ret = lwip_tcp_event((pcb)->callback_arg, (pcb),\
LWIP_EVENT_ACCEPT, NULL, 0, err)
#define TCP_EVENT_SENT(pcb,space,ret) ret = lwip_tcp_event((pcb)->callback_arg, (pcb),\
LWIP_EVENT_SENT, NULL, space, ERR_OK)
#define TCP_EVENT_RECV(pcb,p,err,ret) ret = lwip_tcp_event((pcb)->callback_arg, (pcb),\
LWIP_EVENT_RECV, (p), 0, (err))
#define TCP_EVENT_CLOSED(pcb,ret) ret = lwip_tcp_event((pcb)->callback_arg, (pcb),\
LWIP_EVENT_RECV, NULL, 0, ERR_OK)
#define TCP_EVENT_CONNECTED(pcb,err,ret) ret = lwip_tcp_event((pcb)->callback_arg, (pcb),\
LWIP_EVENT_CONNECTED, NULL, 0, (err))
#define TCP_EVENT_POLL(pcb,ret) ret = lwip_tcp_event((pcb)->callback_arg, (pcb),\
LWIP_EVENT_POLL, NULL, 0, ERR_OK)
#define TCP_EVENT_ERR(errf,arg,err) lwip_tcp_event((arg), NULL, \
LWIP_EVENT_ERR, NULL, 0, (err))
#else /* LWIP_EVENT_API */
#define TCP_EVENT_ACCEPT(pcb,err,ret) \
do { \
if((pcb)->accept != NULL) \
(ret) = (pcb)->accept((pcb)->callback_arg,(pcb),(err)); \
else (ret) = ERR_ARG; \
} while (0)
#define TCP_EVENT_SENT(pcb,space,ret) \
do { \
if((pcb)->sent != NULL) \
(ret) = (pcb)->sent((pcb)->callback_arg,(pcb),(space)); \
else (ret) = ERR_OK; \
} while (0)
#define TCP_EVENT_RECV(pcb,p,err,ret) \
do { \
if((pcb)->recv != NULL) { \
(ret) = (pcb)->recv((pcb)->callback_arg,(pcb),(p),(err));\
} else { \
(ret) = tcp_recv_null(NULL, (pcb), (p), (err)); \
} \
} while (0)
#define TCP_EVENT_CLOSED(pcb,ret) \
do { \
if(((pcb)->recv != NULL)) { \
(ret) = (pcb)->recv((pcb)->callback_arg,(pcb),NULL,ERR_OK);\
} else { \
(ret) = ERR_OK; \
} \
} while (0)
#define TCP_EVENT_CONNECTED(pcb,err,ret) \
do { \
if((pcb)->connected != NULL) \
(ret) = (pcb)->connected((pcb)->callback_arg,(pcb),(err)); \
else (ret) = ERR_OK; \
} while (0)
#define TCP_EVENT_POLL(pcb,ret) \
do { \
if((pcb)->poll != NULL) \
(ret) = (pcb)->poll((pcb)->callback_arg,(pcb)); \
else (ret) = ERR_OK; \
} while (0)
#define TCP_EVENT_ERR(errf,arg,err) \
do { \
if((errf) != NULL) \
(errf)((arg),(err)); \
} while (0)
#endif /* LWIP_EVENT_API */
/** Enabled extra-check for TCP_OVERSIZE if LWIP_DEBUG is enabled */
#if TCP_OVERSIZE && defined(LWIP_DEBUG)
#define TCP_OVERSIZE_DBGCHECK 1
#else
#define TCP_OVERSIZE_DBGCHECK 0
#endif
/** Don't generate checksum on copy if CHECKSUM_GEN_TCP is disabled */
#define TCP_CHECKSUM_ON_COPY (LWIP_CHECKSUM_ON_COPY && CHECKSUM_GEN_TCP)
/* This structure represents a TCP segment on the unsent, unacked and ooseq queues */
struct tcp_seg {
struct tcp_seg *next; /* used when putting segments on a queue */
struct pbuf *p; /* buffer containing data + TCP header */
u16_t len; /* the TCP length of this segment */
#if TCP_OVERSIZE_DBGCHECK
u16_t oversize_left; /* Extra bytes available at the end of the last
pbuf in unsent (used for asserting vs.
tcp_pcb.unsent_oversized only) */
#endif /* TCP_OVERSIZE_DBGCHECK */
#if TCP_CHECKSUM_ON_COPY
u16_t chksum;
u8_t chksum_swapped;
#endif /* TCP_CHECKSUM_ON_COPY */
u8_t flags;
#define TF_SEG_OPTS_MSS (u8_t)0x01U /* Include MSS option. */
#define TF_SEG_OPTS_TS (u8_t)0x02U /* Include timestamp option. */
#define TF_SEG_DATA_CHECKSUMMED (u8_t)0x04U /* ALL data (not the header) is
checksummed into 'chksum' */
#define TF_SEG_OPTS_WND_SCALE (u8_t)0x08U /* Include WND SCALE option */
struct tcp_hdr *tcphdr; /* the TCP header */
};
#define LWIP_TCP_OPT_EOL 0
#define LWIP_TCP_OPT_NOP 1
#define LWIP_TCP_OPT_MSS 2
#define LWIP_TCP_OPT_WS 3
#define LWIP_TCP_OPT_TS 8
#define LWIP_TCP_OPT_LEN_MSS 4
#if LWIP_TCP_TIMESTAMPS
#define LWIP_TCP_OPT_LEN_TS 10
#define LWIP_TCP_OPT_LEN_TS_OUT 12 /* aligned for output (includes NOP padding) */
#else
#define LWIP_TCP_OPT_LEN_TS_OUT 0
#endif
#if LWIP_WND_SCALE
#define LWIP_TCP_OPT_LEN_WS 3
#define LWIP_TCP_OPT_LEN_WS_OUT 4 /* aligned for output (includes NOP padding) */
#else
#define LWIP_TCP_OPT_LEN_WS_OUT 0
#endif
#define LWIP_TCP_OPT_LENGTH(flags) \
(flags & TF_SEG_OPTS_MSS ? LWIP_TCP_OPT_LEN_MSS : 0) + \
(flags & TF_SEG_OPTS_TS ? LWIP_TCP_OPT_LEN_TS_OUT : 0) + \
(flags & TF_SEG_OPTS_WND_SCALE ? LWIP_TCP_OPT_LEN_WS_OUT : 0)
/** This returns a TCP header option for MSS in an u32_t */
#define TCP_BUILD_MSS_OPTION(mss) htonl(0x02040000 | ((mss) & 0xFFFF))
#if LWIP_WND_SCALE
#define TCPWNDSIZE_F U32_F
#define TCPWND_MAX 0xFFFFFFFFU
#define TCPWND_CHECK16(x) LWIP_ASSERT("window size > 0xFFFF", (x) <= 0xFFFF)
#define TCPWND_MIN16(x) ((u16_t)LWIP_MIN((x), 0xFFFF))
#else /* LWIP_WND_SCALE */
#define TCPWNDSIZE_F U16_F
#define TCPWND_MAX 0xFFFFU
#define TCPWND_CHECK16(x)
#define TCPWND_MIN16(x) x
#endif /* LWIP_WND_SCALE */
/* Global variables: */
extern struct tcp_pcb *tcp_input_pcb;
extern u32_t tcp_ticks;
extern u8_t tcp_active_pcbs_changed;
/* The TCP PCB lists. */
union tcp_listen_pcbs_t { /* List of all TCP PCBs in LISTEN state. */
struct tcp_pcb_listen *listen_pcbs;
struct tcp_pcb *pcbs;
};
extern struct tcp_pcb *tcp_bound_pcbs;
extern union tcp_listen_pcbs_t tcp_listen_pcbs;
extern struct tcp_pcb *tcp_active_pcbs; /* List of all TCP PCBs that are in a
state in which they accept or send
data. */
extern struct tcp_pcb *tcp_tw_pcbs; /* List of all TCP PCBs in TIME-WAIT. */
#define NUM_TCP_PCB_LISTS_NO_TIME_WAIT 3
#define NUM_TCP_PCB_LISTS 4
extern struct tcp_pcb ** const tcp_pcb_lists[NUM_TCP_PCB_LISTS];
/* Axioms about the above lists:
1) Every TCP PCB that is not CLOSED is in one of the lists.
2) A PCB is only in one of the lists.
3) All PCBs in the tcp_listen_pcbs list is in LISTEN state.
4) All PCBs in the tcp_tw_pcbs list is in TIME-WAIT state.
*/
/* Define two macros, TCP_REG and TCP_RMV that registers a TCP PCB
with a PCB list or removes a PCB from a list, respectively. */
#ifndef TCP_DEBUG_PCB_LISTS
#define TCP_DEBUG_PCB_LISTS 0
#endif
#if TCP_DEBUG_PCB_LISTS
#define TCP_REG(pcbs, npcb) do {\
struct tcp_pcb *tcp_tmp_pcb; \
LWIP_DEBUGF(TCP_DEBUG, ("TCP_REG %p local port %d\n", (npcb), (npcb)->local_port)); \
for (tcp_tmp_pcb = *(pcbs); \
tcp_tmp_pcb != NULL; \
tcp_tmp_pcb = tcp_tmp_pcb->next) { \
LWIP_ASSERT("TCP_REG: already registered\n", tcp_tmp_pcb != (npcb)); \
} \
LWIP_ASSERT("TCP_REG: pcb->state != CLOSED", ((pcbs) == &tcp_bound_pcbs) || ((npcb)->state != CLOSED)); \
(npcb)->next = *(pcbs); \
LWIP_ASSERT("TCP_REG: npcb->next != npcb", (npcb)->next != (npcb)); \
*(pcbs) = (npcb); \
LWIP_ASSERT("TCP_RMV: tcp_pcbs sane", tcp_pcbs_sane()); \
tcp_timer_needed(); \
} while(0)
#define TCP_RMV(pcbs, npcb) do { \
struct tcp_pcb *tcp_tmp_pcb; \
LWIP_ASSERT("TCP_RMV: pcbs != NULL", *(pcbs) != NULL); \
LWIP_DEBUGF(TCP_DEBUG, ("TCP_RMV: removing %p from %p\n", (npcb), *(pcbs))); \
if(*(pcbs) == (npcb)) { \
*(pcbs) = (*pcbs)->next; \
} else for (tcp_tmp_pcb = *(pcbs); tcp_tmp_pcb != NULL; tcp_tmp_pcb = tcp_tmp_pcb->next) { \
if(tcp_tmp_pcb->next == (npcb)) { \
tcp_tmp_pcb->next = (npcb)->next; \
break; \
} \
} \
(npcb)->next = NULL; \
LWIP_ASSERT("TCP_RMV: tcp_pcbs sane", tcp_pcbs_sane()); \
LWIP_DEBUGF(TCP_DEBUG, ("TCP_RMV: removed %p from %p\n", (npcb), *(pcbs))); \
} while(0)
#else /* LWIP_DEBUG */
#define TCP_REG(pcbs, npcb) \
do { \
(npcb)->next = *pcbs; \
*(pcbs) = (npcb); \
tcp_timer_needed(); \
} while (0)
#define TCP_RMV(pcbs, npcb) \
do { \
if(*(pcbs) == (npcb)) { \
(*(pcbs)) = (*pcbs)->next; \
} \
else { \
struct tcp_pcb *tcp_tmp_pcb; \
for (tcp_tmp_pcb = *pcbs; \
tcp_tmp_pcb != NULL; \
tcp_tmp_pcb = tcp_tmp_pcb->next) { \
if(tcp_tmp_pcb->next == (npcb)) { \
tcp_tmp_pcb->next = (npcb)->next; \
break; \
} \
} \
} \
(npcb)->next = NULL; \
} while(0)
#endif /* LWIP_DEBUG */
#define TCP_REG_ACTIVE(npcb) \
do { \
TCP_REG(&tcp_active_pcbs, npcb); \
tcp_active_pcbs_changed = 1; \
} while (0)
#define TCP_RMV_ACTIVE(npcb) \
do { \
TCP_RMV(&tcp_active_pcbs, npcb); \
tcp_active_pcbs_changed = 1; \
} while (0)
#define TCP_PCB_REMOVE_ACTIVE(pcb) \
do { \
tcp_pcb_remove(&tcp_active_pcbs, pcb); \
tcp_active_pcbs_changed = 1; \
} while (0)
/* Internal functions: */
struct tcp_pcb *tcp_pcb_copy(struct tcp_pcb *pcb);
void tcp_pcb_purge(struct tcp_pcb *pcb);
void tcp_pcb_remove(struct tcp_pcb **pcblist, struct tcp_pcb *pcb);
void tcp_segs_free(struct tcp_seg *seg);
void tcp_seg_free(struct tcp_seg *seg);
struct tcp_seg *tcp_seg_copy(struct tcp_seg *seg);
#define tcp_ack(pcb) \
do { \
if((pcb)->flags & TF_ACK_DELAY) { \
(pcb)->flags &= ~TF_ACK_DELAY; \
(pcb)->flags |= TF_ACK_NOW; \
} \
else { \
(pcb)->flags |= TF_ACK_DELAY; \
} \
} while (0)
#define tcp_ack_now(pcb) \
do { \
(pcb)->flags |= TF_ACK_NOW; \
} while (0)
err_t tcp_send_fin(struct tcp_pcb *pcb);
err_t tcp_enqueue_flags(struct tcp_pcb *pcb, u8_t flags);
void tcp_rexmit_seg(struct tcp_pcb *pcb, struct tcp_seg *seg);
void tcp_rst(u32_t seqno, u32_t ackno,
const ip_addr_t *local_ip, const ip_addr_t *remote_ip,
u16_t local_port, u16_t remote_port);
u32_t tcp_next_iss(void);
err_t tcp_keepalive(struct tcp_pcb *pcb);
err_t tcp_zero_window_probe(struct tcp_pcb *pcb);
void tcp_trigger_input_pcb_close(void);
#if TCP_CALCULATE_EFF_SEND_MSS
u16_t tcp_eff_send_mss_impl(u16_t sendmss, const ip_addr_t *dest
#if LWIP_IPV6 || LWIP_IPV4_SRC_ROUTING
, const ip_addr_t *src
#endif /* LWIP_IPV6 || LWIP_IPV4_SRC_ROUTING */
);
#if LWIP_IPV6 || LWIP_IPV4_SRC_ROUTING
#define tcp_eff_send_mss(sendmss, src, dest) tcp_eff_send_mss_impl(sendmss, dest, src)
#else /* LWIP_IPV6 || LWIP_IPV4_SRC_ROUTING */
#define tcp_eff_send_mss(sendmss, src, dest) tcp_eff_send_mss_impl(sendmss, dest)
#endif /* LWIP_IPV6 || LWIP_IPV4_SRC_ROUTING */
#endif /* TCP_CALCULATE_EFF_SEND_MSS */
#if LWIP_CALLBACK_API
err_t tcp_recv_null(void *arg, struct tcp_pcb *pcb, struct pbuf *p, err_t err);
#endif /* LWIP_CALLBACK_API */
#if TCP_DEBUG || TCP_INPUT_DEBUG || TCP_OUTPUT_DEBUG
void tcp_debug_print(struct tcp_hdr *tcphdr);
void tcp_debug_print_flags(u8_t flags);
void tcp_debug_print_state(enum tcp_state s);
void tcp_debug_print_pcbs(void);
s16_t tcp_pcbs_sane(void);
#else
# define tcp_debug_print(tcphdr)
# define tcp_debug_print_flags(flags)
# define tcp_debug_print_state(s)
# define tcp_debug_print_pcbs()
# define tcp_pcbs_sane() 1
#endif /* TCP_DEBUG */
/** External function (implemented in timers.c), called when TCP detects
* that a timer is needed (i.e. active- or time-wait-pcb found). */
void tcp_timer_needed(void);
#if LWIP_IPV4
void tcp_netif_ipv4_addr_changed(const ip4_addr_t* old_addr, const ip4_addr_t* new_addr);
#endif /* LWIP_IPV4 */
#ifdef __cplusplus
}
#endif
#endif /* LWIP_TCP */
#endif /* LWIP_HDR_TCP_H */

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/*
* Copyright (c) 2001-2004 Swedish Institute of Computer Science.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* This file is part of the lwIP TCP/IP stack.
*
* Author: Adam Dunkels <adam@sics.se>
*
*/
#ifndef LWIP_HDR_TCPIP_PRIV_H
#define LWIP_HDR_TCPIP_PRIV_H
#include "lwip/opt.h"
#if !NO_SYS /* don't build if not configured for use in lwipopts.h */
#include "lwip/tcpip.h"
#include "lwip/sys.h"
#include "lwip/timers.h"
#ifdef __cplusplus
extern "C" {
#endif
struct pbuf;
struct netif;
/** Define this to something that triggers a watchdog. This is called from
* tcpip_thread after processing a message. */
#ifndef LWIP_TCPIP_THREAD_ALIVE
#define LWIP_TCPIP_THREAD_ALIVE()
#endif
#if LWIP_TCPIP_CORE_LOCKING
/** The global semaphore to lock the stack. */
extern sys_mutex_t lock_tcpip_core;
#define LOCK_TCPIP_CORE() sys_mutex_lock(&lock_tcpip_core)
#define UNLOCK_TCPIP_CORE() sys_mutex_unlock(&lock_tcpip_core)
#else /* LWIP_TCPIP_CORE_LOCKING */
#define LOCK_TCPIP_CORE()
#define UNLOCK_TCPIP_CORE()
#endif /* LWIP_TCPIP_CORE_LOCKING */
#if LWIP_MPU_COMPATIBLE
#define API_VAR_REF(name) (*(name))
#define API_VAR_DECLARE(type, name) type * name
#define API_VAR_ALLOC(type, pool, name) do { \
name = (type *)memp_malloc(pool); \
if (name == NULL) { \
return ERR_MEM; \
} \
} while(0)
#define API_VAR_ALLOC_DONTFAIL(type, pool, name) do { \
name = (type *)memp_malloc(pool); \
LWIP_ASSERT("pool empty", name != NULL); \
} while(0)
#define API_VAR_FREE(pool, name) memp_free(pool, name)
#define API_EXPR_REF(expr) &(expr)
#if LWIP_NETCONN_SEM_PER_THREAD
#define API_EXPR_REF_SEM(expr) (expr)
#else
#define API_EXPR_REF_SEM(expr) API_EXPR_REF(expr)
#endif
#define API_EXPR_DEREF(expr) expr
#else /* LWIP_MPU_COMPATIBLE */
#define API_VAR_REF(name) name
#define API_VAR_DECLARE(type, name) type name
#define API_VAR_ALLOC(type, pool, name)
#define API_VAR_ALLOC_DONTFAIL(type, pool, name)
#define API_VAR_FREE(pool, name)
#define API_EXPR_REF(expr) expr
#define API_EXPR_REF_SEM(expr) API_EXPR_REF(expr)
#define API_EXPR_DEREF(expr) *(expr)
#endif /* LWIP_MPU_COMPATIBLE */
#if !LWIP_TCPIP_CORE_LOCKING
err_t tcpip_send_api_msg(tcpip_callback_fn fn, void *apimsg, sys_sem_t* sem);
#endif /* !LWIP_TCPIP_CORE_LOCKING */
struct tcpip_api_call;
typedef err_t (*tcpip_api_call_fn)(struct tcpip_api_call* call);
struct tcpip_api_call
{
tcpip_api_call_fn function;
#if !LWIP_TCPIP_CORE_LOCKING
#if LWIP_NETCONN_SEM_PER_THREAD
sys_sem_t *sem;
#else /* LWIP_NETCONN_SEM_PER_THREAD */
sys_sem_t sem;
#endif /* LWIP_NETCONN_SEM_PER_THREAD */
err_t err;
#endif /* !LWIP_TCPIP_CORE_LOCKING */
};
err_t tcpip_api_call(tcpip_api_call_fn fn, struct tcpip_api_call *call);
enum tcpip_msg_type {
TCPIP_MSG_API,
TCPIP_MSG_API_CALL,
TCPIP_MSG_INPKT,
#if LWIP_TCPIP_TIMEOUT
TCPIP_MSG_TIMEOUT,
TCPIP_MSG_UNTIMEOUT,
#endif /* LWIP_TCPIP_TIMEOUT */
TCPIP_MSG_CALLBACK,
TCPIP_MSG_CALLBACK_STATIC
};
struct tcpip_msg {
enum tcpip_msg_type type;
union {
struct {
tcpip_callback_fn function;
void* msg;
} api;
struct tcpip_api_call *api_call;
struct {
struct pbuf *p;
struct netif *netif;
netif_input_fn input_fn;
} inp;
struct {
tcpip_callback_fn function;
void *ctx;
} cb;
#if LWIP_TCPIP_TIMEOUT
struct {
u32_t msecs;
sys_timeout_handler h;
void *arg;
} tmo;
#endif /* LWIP_TCPIP_TIMEOUT */
} msg;
};
#ifdef __cplusplus
}
#endif
#endif /* !NO_SYS */
#endif /* LWIP_HDR_TCPIP_PRIV_H */

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/*
* Copyright (c) 2001-2004 Swedish Institute of Computer Science.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* This file is part of the lwIP TCP/IP stack.
*
* Author: Adam Dunkels <adam@sics.se>
*
*/
#ifndef LWIP_HDR_RAW_H
#define LWIP_HDR_RAW_H
#include "lwip/opt.h"
#if LWIP_RAW /* don't build if not configured for use in lwipopts.h */
#include "lwip/pbuf.h"
#include "lwip/def.h"
#include "lwip/ip.h"
#include "lwip/ip_addr.h"
#include "lwip/ip6_addr.h"
#ifdef __cplusplus
extern "C" {
#endif
struct raw_pcb;
/** Function prototype for raw pcb receive callback functions.
* @param arg user supplied argument (raw_pcb.recv_arg)
* @param pcb the raw_pcb which received data
* @param p the packet buffer that was received
* @param addr the remote IP address from which the packet was received
* @return 1 if the packet was 'eaten' (aka. deleted),
* 0 if the packet lives on
* If returning 1, the callback is responsible for freeing the pbuf
* if it's not used any more.
*/
typedef u8_t (*raw_recv_fn)(void *arg, struct raw_pcb *pcb, struct pbuf *p,
const ip_addr_t *addr);
struct raw_pcb {
/* Common members of all PCB types */
IP_PCB;
struct raw_pcb *next;
u8_t protocol;
/** receive callback function */
raw_recv_fn recv;
/* user-supplied argument for the recv callback */
void *recv_arg;
#if LWIP_IPV6
/* fields for handling checksum computations as per RFC3542. */
u16_t chksum_offset;
u8_t chksum_reqd;
#endif
};
/* The following functions is the application layer interface to the
RAW code. */
struct raw_pcb * raw_new (u8_t proto);
struct raw_pcb * raw_new_ip_type(u8_t type, u8_t proto);
void raw_remove (struct raw_pcb *pcb);
err_t raw_bind (struct raw_pcb *pcb, const ip_addr_t *ipaddr);
err_t raw_connect (struct raw_pcb *pcb, const ip_addr_t *ipaddr);
err_t raw_sendto (struct raw_pcb *pcb, struct pbuf *p, const ip_addr_t *ipaddr);
err_t raw_send (struct raw_pcb *pcb, struct pbuf *p);
void raw_recv (struct raw_pcb *pcb, raw_recv_fn recv, void *recv_arg);
/* The following functions are the lower layer interface to RAW. */
u8_t raw_input (struct pbuf *p, struct netif *inp);
#define raw_init() /* Compatibility define, no init needed. */
/* for compatibility with older implementation */
#define raw_new_ip6(proto) raw_new_ip_type(IPADDR_TYPE_V6, proto)
#ifdef __cplusplus
}
#endif
#endif /* LWIP_RAW */
#endif /* LWIP_HDR_RAW_H */

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/*
* Copyright (c) 2001-2004 Swedish Institute of Computer Science.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* This file is part of the lwIP TCP/IP stack.
*/
/*
* This is the interface to the platform specific serial IO module
* It needs to be implemented by those platforms which need SLIP or PPP
*/
#ifndef SIO_H
#define SIO_H
#include "lwip/arch.h"
#ifdef __cplusplus
extern "C" {
#endif
/* If you want to define sio_fd_t elsewhere or differently,
define this in your cc.h file. */
#ifndef __sio_fd_t_defined
typedef void * sio_fd_t;
#endif
/* The following functions can be defined to something else in your cc.h file
or be implemented in your custom sio.c file. */
#ifndef sio_open
/**
* Opens a serial device for communication.
*
* @param devnum device number
* @return handle to serial device if successful, NULL otherwise
*/
sio_fd_t sio_open(u8_t devnum);
#endif
#ifndef sio_send
/**
* Sends a single character to the serial device.
*
* @param c character to send
* @param fd serial device handle
*
* @note This function will block until the character can be sent.
*/
void sio_send(u8_t c, sio_fd_t fd);
#endif
#ifndef sio_recv
/**
* Receives a single character from the serial device.
*
* @param fd serial device handle
*
* @note This function will block until a character is received.
*/
u8_t sio_recv(sio_fd_t fd);
#endif
#ifndef sio_read
/**
* Reads from the serial device.
*
* @param fd serial device handle
* @param data pointer to data buffer for receiving
* @param len maximum length (in bytes) of data to receive
* @return number of bytes actually received - may be 0 if aborted by sio_read_abort
*
* @note This function will block until data can be received. The blocking
* can be cancelled by calling sio_read_abort().
*/
u32_t sio_read(sio_fd_t fd, u8_t *data, u32_t len);
#endif
#ifndef sio_tryread
/**
* Tries to read from the serial device. Same as sio_read but returns
* immediately if no data is available and never blocks.
*
* @param fd serial device handle
* @param data pointer to data buffer for receiving
* @param len maximum length (in bytes) of data to receive
* @return number of bytes actually received
*/
u32_t sio_tryread(sio_fd_t fd, u8_t *data, u32_t len);
#endif
#ifndef sio_write
/**
* Writes to the serial device.
*
* @param fd serial device handle
* @param data pointer to data to send
* @param len length (in bytes) of data to send
* @return number of bytes actually sent
*
* @note This function will block until all data can be sent.
*/
u32_t sio_write(sio_fd_t fd, u8_t *data, u32_t len);
#endif
#ifndef sio_read_abort
/**
* Aborts a blocking sio_read() call.
*
* @param fd serial device handle
*/
void sio_read_abort(sio_fd_t fd);
#endif
#ifdef __cplusplus
}
#endif
#endif /* SIO_H */

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/**
* @file
* MIB2 callback functions called from throughout the stack to integrate a MIB2
* into lwIP (together with MIB2_STATS).
*/
/*
* Copyright (c) 2001-2004 Swedish Institute of Computer Science.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* This file is part of the lwIP TCP/IP stack.
*
* Author: Dirk Ziegelmeier <dziegel@gmx.de>
*
*/
#ifndef LWIP_HDR_SNMP_H
#define LWIP_HDR_SNMP_H
#include "lwip/opt.h"
#include "lwip/ip_addr.h"
#ifdef __cplusplus
extern "C" {
#endif
struct udp_pcb;
struct netif;
/* MIB2 statistics functions */
#if MIB2_STATS /* don't build if not configured for use in lwipopts.h */
/**
* @see RFC1213, "MIB-II, 6. Definitions"
*/
enum snmp_ifType {
snmp_ifType_other=1, /* none of the following */
snmp_ifType_regular1822,
snmp_ifType_hdh1822,
snmp_ifType_ddn_x25,
snmp_ifType_rfc877_x25,
snmp_ifType_ethernet_csmacd,
snmp_ifType_iso88023_csmacd,
snmp_ifType_iso88024_tokenBus,
snmp_ifType_iso88025_tokenRing,
snmp_ifType_iso88026_man,
snmp_ifType_starLan,
snmp_ifType_proteon_10Mbit,
snmp_ifType_proteon_80Mbit,
snmp_ifType_hyperchannel,
snmp_ifType_fddi,
snmp_ifType_lapb,
snmp_ifType_sdlc,
snmp_ifType_ds1, /* T-1 */
snmp_ifType_e1, /* european equiv. of T-1 */
snmp_ifType_basicISDN,
snmp_ifType_primaryISDN, /* proprietary serial */
snmp_ifType_propPointToPointSerial,
snmp_ifType_ppp,
snmp_ifType_softwareLoopback,
snmp_ifType_eon, /* CLNP over IP [11] */
snmp_ifType_ethernet_3Mbit,
snmp_ifType_nsip, /* XNS over IP */
snmp_ifType_slip, /* generic SLIP */
snmp_ifType_ultra, /* ULTRA technologies */
snmp_ifType_ds3, /* T-3 */
snmp_ifType_sip, /* SMDS */
snmp_ifType_frame_relay
};
/* This macro has a precision of ~49 days because sys_now returns u32_t. #define your own if you want ~490 days. */
#ifndef MIB2_COPY_SYSUPTIME_TO
#define MIB2_COPY_SYSUPTIME_TO(ptrToVal) (*(ptrToVal) = (sys_now() / 10))
#endif
#define MIB2_STATS_NETIF_INC(n, x) do { ++(n)->mib2_counters.x; } while(0)
#define MIB2_STATS_NETIF_ADD(n, x, val) do { (n)->mib2_counters.x += (val); } while(0)
#define MIB2_INIT_NETIF(netif, type, speed) do { \
/* use "snmp_ifType" enum from snmp_mib2.h for "type", snmp_ifType_ethernet_csmacd by example */ \
(netif)->link_type = (type); \
/* your link speed here (units: bits per second) */ \
(netif)->link_speed = (speed);\
(netif)->ts = 0; \
(netif)->mib2_counters.ifinoctets = 0; \
(netif)->mib2_counters.ifinucastpkts = 0; \
(netif)->mib2_counters.ifinnucastpkts = 0; \
(netif)->mib2_counters.ifindiscards = 0; \
(netif)->mib2_counters.ifinerrors = 0; \
(netif)->mib2_counters.ifinunknownprotos = 0; \
(netif)->mib2_counters.ifoutoctets = 0; \
(netif)->mib2_counters.ifoutucastpkts = 0; \
(netif)->mib2_counters.ifoutnucastpkts = 0; \
(netif)->mib2_counters.ifoutdiscards = 0; \
(netif)->mib2_counters.ifouterrors = 0; } while(0)
#else /* MIB2_STATS */
#ifndef MIB2_COPY_SYSUPTIME_TO
#define MIB2_COPY_SYSUPTIME_TO(ptrToVal)
#endif
#define MIB2_INIT_NETIF(netif, type, speed)
#define MIB2_STATS_NETIF_INC(n, x)
#define MIB2_STATS_NETIF_ADD(n, x, val)
#endif /* MIB2_STATS */
/* LWIP MIB2 callbacks */
#if LWIP_MIB2_CALLBACKS /* don't build if not configured for use in lwipopts.h */
/* network interface */
void mib2_netif_added(struct netif *ni);
void mib2_netif_removed(struct netif *ni);
#if LWIP_IPV4 && LWIP_ARP
/* ARP (for atTable and ipNetToMediaTable) */
void mib2_add_arp_entry(struct netif *ni, ip4_addr_t *ip);
void mib2_remove_arp_entry(struct netif *ni, ip4_addr_t *ip);
#else /* LWIP_IPV4 && LWIP_ARP */
#define mib2_add_arp_entry(ni,ip)
#define mib2_remove_arp_entry(ni,ip)
#endif /* LWIP_IPV4 && LWIP_ARP */
/* IP */
#if LWIP_IPV4
void mib2_add_ip4(struct netif *ni);
void mib2_remove_ip4(struct netif *ni);
void mib2_add_route_ip4(u8_t dflt, struct netif *ni);
void mib2_remove_route_ip4(u8_t dflt, struct netif *ni);
#endif /* LWIP_IPV4 */
/* UDP */
#if LWIP_UDP
void mib2_udp_bind(struct udp_pcb *pcb);
void mib2_udp_unbind(struct udp_pcb *pcb);
#endif /* LWIP_UDP */
#else /* LWIP_MIB2_CALLBACKS */
/* LWIP_MIB2_CALLBACKS support not available */
/* define everything to be empty */
/* network interface */
#define mib2_netif_added(ni)
#define mib2_netif_removed(ni)
/* ARP */
#define mib2_add_arp_entry(ni,ip)
#define mib2_remove_arp_entry(ni,ip)
/* IP */
#define mib2_add_ip4(ni)
#define mib2_remove_ip4(ni)
#define mib2_add_route_ip4(dflt, ni)
#define mib2_remove_route_ip4(dflt, ni)
/* UDP */
#define mib2_udp_bind(pcb)
#define mib2_udp_unbind(pcb)
#endif /* LWIP_MIB2_CALLBACKS */
/* for source-code compatibility reasons only, can be removed (not used internally) */
#define NETIF_INIT_SNMP MIB2_INIT_NETIF
#define snmp_add_ifinoctets(ni,value) MIB2_STATS_NETIF_ADD(ni, ifinoctets, value)
#define snmp_inc_ifinucastpkts(ni) MIB2_STATS_NETIF_INC(ni, ifinucastpkts)
#define snmp_inc_ifinnucastpkts(ni) MIB2_STATS_NETIF_INC(ni, ifinnucastpkts)
#define snmp_inc_ifindiscards(ni) MIB2_STATS_NETIF_INC(ni, ifindiscards)
#define snmp_inc_ifinerrors(ni) MIB2_STATS_NETIF_INC(ni, ifinerrors)
#define snmp_inc_ifinunknownprotos(ni) MIB2_STATS_NETIF_INC(ni, ifinunknownprotos)
#define snmp_add_ifoutoctets(ni,value) MIB2_STATS_NETIF_ADD(ni, ifoutoctets, value)
#define snmp_inc_ifoutucastpkts(ni) MIB2_STATS_NETIF_INC(ni, ifoutucastpkts)
#define snmp_inc_ifoutnucastpkts(ni) MIB2_STATS_NETIF_INC(ni, ifoutnucastpkts)
#define snmp_inc_ifoutdiscards(ni) MIB2_STATS_NETIF_INC(ni, ifoutdiscards)
#define snmp_inc_ifouterrors(ni) MIB2_STATS_NETIF_INC(ni, ifouterrors)
#ifdef __cplusplus
}
#endif
#endif /* LWIP_HDR_SNMP_H */

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/*
* Copyright (c) 2001-2004 Swedish Institute of Computer Science.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* This file is part of the lwIP TCP/IP stack.
*
* Author: Adam Dunkels <adam@sics.se>
*
*/
#ifndef LWIP_HDR_SOCKETS_H
#define LWIP_HDR_SOCKETS_H
#include "lwip/opt.h"
#if LWIP_SOCKET /* don't build if not configured for use in lwipopts.h */
#include <stddef.h> /* for size_t */
#include <string.h> /* for FD_ZERO */
#include "lwip/ip_addr.h"
#include "lwip/err.h"
#include "lwip/inet.h"
#ifdef __cplusplus
extern "C" {
#endif
/* If your port already typedef's sa_family_t, define SA_FAMILY_T_DEFINED
to prevent this code from redefining it. */
#if !defined(sa_family_t) && !defined(SA_FAMILY_T_DEFINED)
typedef u8_t sa_family_t;
#endif
/* If your port already typedef's in_port_t, define IN_PORT_T_DEFINED
to prevent this code from redefining it. */
#if !defined(in_port_t) && !defined(IN_PORT_T_DEFINED)
typedef u16_t in_port_t;
#endif
#if LWIP_IPV4
/* members are in network byte order */
struct sockaddr_in {
u8_t sin_len;
sa_family_t sin_family;
in_port_t sin_port;
struct in_addr sin_addr;
#define SIN_ZERO_LEN 8
char sin_zero[SIN_ZERO_LEN];
};
#endif /* LWIP_IPV4 */
#if LWIP_IPV6
struct sockaddr_in6 {
u8_t sin6_len; /* length of this structure */
sa_family_t sin6_family; /* AF_INET6 */
in_port_t sin6_port; /* Transport layer port # */
u32_t sin6_flowinfo; /* IPv6 flow information */
struct in6_addr sin6_addr; /* IPv6 address */
u32_t sin6_scope_id; /* Set of interfaces for scope */
};
#endif /* LWIP_IPV6 */
struct sockaddr {
u8_t sa_len;
sa_family_t sa_family;
char sa_data[14];
};
struct sockaddr_storage {
u8_t s2_len;
sa_family_t ss_family;
char s2_data1[2];
u32_t s2_data2[3];
#if LWIP_IPV6
u32_t s2_data3[3];
#endif /* LWIP_IPV6 */
};
/* If your port already typedef's socklen_t, define SOCKLEN_T_DEFINED
to prevent this code from redefining it. */
#if !defined(socklen_t) && !defined(SOCKLEN_T_DEFINED)
typedef u32_t socklen_t;
#endif
struct lwip_sock;
#if !LWIP_TCPIP_CORE_LOCKING
/** Maximum optlen used by setsockopt/getsockopt */
#define LWIP_SETGETSOCKOPT_MAXOPTLEN 16
/** This struct is used to pass data to the set/getsockopt_internal
* functions running in tcpip_thread context (only a void* is allowed) */
struct lwip_setgetsockopt_data {
/** socket index for which to change options */
int s;
/** level of the option to process */
int level;
/** name of the option to process */
int optname;
/** set: value to set the option to
* get: value of the option is stored here */
#if LWIP_MPU_COMPATIBLE
u8_t optval[LWIP_SETGETSOCKOPT_MAXOPTLEN];
#else
union {
void *p;
const void *pc;
} optval;
#endif
/** size of *optval */
socklen_t optlen;
/** if an error occurs, it is temporarily stored here */
err_t err;
/** semaphore to wake up the calling task */
void* completed_sem;
};
#endif /* !LWIP_TCPIP_CORE_LOCKING */
#if !defined(iovec)
struct iovec {
void *iov_base;
size_t iov_len;
};
#endif
struct msghdr {
void *msg_name;
socklen_t msg_namelen;
struct iovec *msg_iov;
int msg_iovlen;
void *msg_control;
socklen_t msg_controllen;
int msg_flags;
};
/* Socket protocol types (TCP/UDP/RAW) */
#define SOCK_STREAM 1
#define SOCK_DGRAM 2
#define SOCK_RAW 3
/*
* Option flags per-socket. These must match the SOF_ flags in ip.h (checked in init.c)
*/
#define SO_REUSEADDR 0x0004 /* Allow local address reuse */
#define SO_KEEPALIVE 0x0008 /* keep connections alive */
#define SO_BROADCAST 0x0020 /* permit to send and to receive broadcast messages (see IP_SOF_BROADCAST option) */
/*
* Additional options, not kept in so_options.
*/
#define SO_DEBUG 0x0001 /* Unimplemented: turn on debugging info recording */
#define SO_ACCEPTCONN 0x0002 /* socket has had listen() */
#define SO_DONTROUTE 0x0010 /* Unimplemented: just use interface addresses */
#define SO_USELOOPBACK 0x0040 /* Unimplemented: bypass hardware when possible */
#define SO_LINGER 0x0080 /* linger on close if data present */
#define SO_DONTLINGER ((int)(~SO_LINGER))
#define SO_OOBINLINE 0x0100 /* Unimplemented: leave received OOB data in line */
#define SO_REUSEPORT 0x0200 /* Unimplemented: allow local address & port reuse */
#define SO_SNDBUF 0x1001 /* Unimplemented: send buffer size */
#define SO_RCVBUF 0x1002 /* receive buffer size */
#define SO_SNDLOWAT 0x1003 /* Unimplemented: send low-water mark */
#define SO_RCVLOWAT 0x1004 /* Unimplemented: receive low-water mark */
#define SO_SNDTIMEO 0x1005 /* send timeout */
#define SO_RCVTIMEO 0x1006 /* receive timeout */
#define SO_ERROR 0x1007 /* get error status and clear */
#define SO_TYPE 0x1008 /* get socket type */
#define SO_CONTIMEO 0x1009 /* Unimplemented: connect timeout */
#define SO_NO_CHECK 0x100a /* don't create UDP checksum */
/*
* Structure used for manipulating linger option.
*/
struct linger {
int l_onoff; /* option on/off */
int l_linger; /* linger time in seconds */
};
/*
* Level number for (get/set)sockopt() to apply to socket itself.
*/
#define SOL_SOCKET 0xfff /* options for socket level */
#define AF_UNSPEC 0
#define AF_INET 2
#if LWIP_IPV6
#define AF_INET6 10
#else /* LWIP_IPV6 */
#define AF_INET6 AF_UNSPEC
#endif /* LWIP_IPV6 */
#define PF_INET AF_INET
#define PF_INET6 AF_INET6
#define PF_UNSPEC AF_UNSPEC
#define IPPROTO_IP 0
#define IPPROTO_ICMP 1
#define IPPROTO_TCP 6
#define IPPROTO_UDP 17
#if LWIP_IPV6
#define IPPROTO_IPV6 41
#define IPPROTO_ICMPV6 58
#endif /* LWIP_IPV6 */
#define IPPROTO_UDPLITE 136
#define IPPROTO_RAW 255
/* Flags we can use with send and recv. */
#define MSG_PEEK 0x01 /* Peeks at an incoming message */
#define MSG_WAITALL 0x02 /* Unimplemented: Requests that the function block until the full amount of data requested can be returned */
#define MSG_OOB 0x04 /* Unimplemented: Requests out-of-band data. The significance and semantics of out-of-band data are protocol-specific */
#define MSG_DONTWAIT 0x08 /* Nonblocking i/o for this operation only */
#define MSG_MORE 0x10 /* Sender will send more */
/*
* Options for level IPPROTO_IP
*/
#define IP_TOS 1
#define IP_TTL 2
#if LWIP_TCP
/*
* Options for level IPPROTO_TCP
*/
#define TCP_NODELAY 0x01 /* don't delay send to coalesce packets */
#define TCP_KEEPALIVE 0x02 /* send KEEPALIVE probes when idle for pcb->keep_idle milliseconds */
#define TCP_KEEPIDLE 0x03 /* set pcb->keep_idle - Same as TCP_KEEPALIVE, but use seconds for get/setsockopt */
#define TCP_KEEPINTVL 0x04 /* set pcb->keep_intvl - Use seconds for get/setsockopt */
#define TCP_KEEPCNT 0x05 /* set pcb->keep_cnt - Use number of probes sent for get/setsockopt */
#if ESP_PER_SOC_TCP_WND
#define TCP_WINDOW 0x06 /* set pcb->per_soc_tcp_wnd */
#define TCP_SNDBUF 0x07 /* set pcb->per_soc_tcp_snd_buf */
#endif
#endif /* LWIP_TCP */
#if LWIP_IPV6
/*
* Options for level IPPROTO_IPV6
*/
#define IPV6_CHECKSUM 7 /* RFC3542: calculate and insert the ICMPv6 checksum for raw sockets. */
#define IPV6_V6ONLY 27 /* RFC3493: boolean control to restrict AF_INET6 sockets to IPv6 communications only. */
#if LWIP_IPV6_MLD
/* Socket options for IPV6 multicast, uses the MLD interface to manage group memberships. RFC2133. */
#define IPV6_MULTICAST_IF 0x300
#define IPV6_MULTICAST_HOPS 0x301
#define IPV6_MULTICAST_LOOP 0x302
#define IPV6_ADD_MEMBERSHIP 0x303
#define IPV6_DROP_MEMBERSHIP 0x304
/* Structure used for IPV6_ADD/DROP_MEMBERSHIP */
typedef struct ip6_mreq {
struct in6_addr ipv6mr_multiaddr; /* IPv6 multicast addr */
struct in6_addr ipv6mr_interface; /* local IP address of interface */
} ip6_mreq;
/* Commonly used synonyms for these options */
#define IPV6_JOIN_GROUP IPV6_ADD_MEMBERSHIP
#define IPV6_LEAVE_GROUP IPV6_DROP_MEMBERSHIP
#endif /* LWIP_IPV6_MLD */
#endif /* LWIP_IPV6 */
#if LWIP_UDP && LWIP_UDPLITE
/*
* Options for level IPPROTO_UDPLITE
*/
#define UDPLITE_SEND_CSCOV 0x01 /* sender checksum coverage */
#define UDPLITE_RECV_CSCOV 0x02 /* minimal receiver checksum coverage */
#endif /* LWIP_UDP && LWIP_UDPLITE*/
#if LWIP_MULTICAST_TX_OPTIONS
/*
* Options and types for UDP multicast traffic handling
*/
#define IP_MULTICAST_TTL 5
#define IP_MULTICAST_IF 6
#define IP_MULTICAST_LOOP 7
#endif /* LWIP_MULTICAST_TX_OPTIONS */
#if LWIP_IGMP
/*
* Options and types related to multicast membership
*/
#define IP_ADD_MEMBERSHIP 3
#define IP_DROP_MEMBERSHIP 4
typedef struct ip_mreq {
struct in_addr imr_multiaddr; /* IP multicast address of group */
struct in_addr imr_interface; /* local IP address of interface */
} ip_mreq;
#endif /* LWIP_IGMP */
/*
* The Type of Service provides an indication of the abstract
* parameters of the quality of service desired. These parameters are
* to be used to guide the selection of the actual service parameters
* when transmitting a datagram through a particular network. Several
* networks offer service precedence, which somehow treats high
* precedence traffic as more important than other traffic (generally
* by accepting only traffic above a certain precedence at time of high
* load). The major choice is a three way tradeoff between low-delay,
* high-reliability, and high-throughput.
* The use of the Delay, Throughput, and Reliability indications may
* increase the cost (in some sense) of the service. In many networks
* better performance for one of these parameters is coupled with worse
* performance on another. Except for very unusual cases at most two
* of these three indications should be set.
*/
#define IPTOS_TOS_MASK 0x1E
#define IPTOS_TOS(tos) ((tos) & IPTOS_TOS_MASK)
#define IPTOS_LOWDELAY 0x10
#define IPTOS_THROUGHPUT 0x08
#define IPTOS_RELIABILITY 0x04
#define IPTOS_LOWCOST 0x02
#define IPTOS_MINCOST IPTOS_LOWCOST
/*
* The Network Control precedence designation is intended to be used
* within a network only. The actual use and control of that
* designation is up to each network. The Internetwork Control
* designation is intended for use by gateway control originators only.
* If the actual use of these precedence designations is of concern to
* a particular network, it is the responsibility of that network to
* control the access to, and use of, those precedence designations.
*/
#define IPTOS_PREC_MASK 0xe0
#define IPTOS_PREC(tos) ((tos) & IPTOS_PREC_MASK)
#define IPTOS_PREC_NETCONTROL 0xe0
#define IPTOS_PREC_INTERNETCONTROL 0xc0
#define IPTOS_PREC_CRITIC_ECP 0xa0
#define IPTOS_PREC_FLASHOVERRIDE 0x80
#define IPTOS_PREC_FLASH 0x60
#define IPTOS_PREC_IMMEDIATE 0x40
#define IPTOS_PREC_PRIORITY 0x20
#define IPTOS_PREC_ROUTINE 0x00
/*
* Commands for ioctlsocket(), taken from the BSD file fcntl.h.
* lwip_ioctl only supports FIONREAD and FIONBIO, for now
*
* Ioctl's have the command encoded in the lower word,
* and the size of any in or out parameters in the upper
* word. The high 2 bits of the upper word are used
* to encode the in/out status of the parameter; for now
* we restrict parameters to at most 128 bytes.
*/
#if !defined(FIONREAD) || !defined(FIONBIO)
#define IOCPARM_MASK 0x7fU /* parameters must be < 128 bytes */
#define IOC_VOID 0x20000000UL /* no parameters */
#define IOC_OUT 0x40000000UL /* copy out parameters */
#define IOC_IN 0x80000000UL /* copy in parameters */
#define IOC_INOUT (IOC_IN|IOC_OUT)
/* 0x20000000 distinguishes new &
old ioctl's */
#define _IO(x,y) (IOC_VOID|((x)<<8)|(y))
#define _IOR(x,y,t) (IOC_OUT|(((long)sizeof(t)&IOCPARM_MASK)<<16)|((x)<<8)|(y))
#define _IOW(x,y,t) (IOC_IN|(((long)sizeof(t)&IOCPARM_MASK)<<16)|((x)<<8)|(y))
#endif /* !defined(FIONREAD) || !defined(FIONBIO) */
#ifndef FIONREAD
#define FIONREAD _IOR('f', 127, unsigned long) /* get # bytes to read */
#endif
#ifndef FIONBIO
#define FIONBIO _IOW('f', 126, unsigned long) /* set/clear non-blocking i/o */
#endif
/* Socket I/O Controls: unimplemented */
#ifndef SIOCSHIWAT
#define SIOCSHIWAT _IOW('s', 0, unsigned long) /* set high watermark */
#define SIOCGHIWAT _IOR('s', 1, unsigned long) /* get high watermark */
#define SIOCSLOWAT _IOW('s', 2, unsigned long) /* set low watermark */
#define SIOCGLOWAT _IOR('s', 3, unsigned long) /* get low watermark */
#define SIOCATMARK _IOR('s', 7, unsigned long) /* at oob mark? */
#endif
/* commands for fnctl */
#ifndef F_GETFL
#define F_GETFL 3
#endif
#ifndef F_SETFL
#define F_SETFL 4
#endif
/* File status flags and file access modes for fnctl,
these are bits in an int. */
#ifndef O_NONBLOCK
#define O_NONBLOCK 1 /* nonblocking I/O */
#endif
#ifndef O_NDELAY
#define O_NDELAY 1 /* same as O_NONBLOCK, for compatibility */
#endif
#ifndef SHUT_RD
#define SHUT_RD 0
#define SHUT_WR 1
#define SHUT_RDWR 2
#endif
/* FD_SET used for lwip_select */
#ifndef FD_SET
#undef FD_SETSIZE
/* Make FD_SETSIZE match NUM_SOCKETS in socket.c */
#define FD_SETSIZE MEMP_NUM_NETCONN
#define FDSETSAFESET(n, code) do { \
if (((n) - LWIP_SOCKET_OFFSET < MEMP_NUM_NETCONN) && (((int)(n) - LWIP_SOCKET_OFFSET) >= 0)) { \
code; }} while(0)
#define FDSETSAFEGET(n, code) (((n) - LWIP_SOCKET_OFFSET < MEMP_NUM_NETCONN) && (((int)(n) - LWIP_SOCKET_OFFSET) >= 0) ?\
(code) : 0)
#define FD_SET(n, p) FDSETSAFESET(n, (p)->fd_bits[((n)-LWIP_SOCKET_OFFSET)/8] |= (1 << (((n)-LWIP_SOCKET_OFFSET) & 7)))
#define FD_CLR(n, p) FDSETSAFESET(n, (p)->fd_bits[((n)-LWIP_SOCKET_OFFSET)/8] &= ~(1 << (((n)-LWIP_SOCKET_OFFSET) & 7)))
#define FD_ISSET(n,p) FDSETSAFEGET(n, (p)->fd_bits[((n)-LWIP_SOCKET_OFFSET)/8] & (1 << (((n)-LWIP_SOCKET_OFFSET) & 7)))
#define FD_ZERO(p) memset((void*)(p), 0, sizeof(*(p)))
typedef struct fd_set
{
unsigned char fd_bits [(FD_SETSIZE+7)/8];
} fd_set;
#endif /* FD_SET */
/** LWIP_TIMEVAL_PRIVATE: if you want to use the struct timeval provided
* by your system, set this to 0 and include <sys/time.h> in cc.h */
#ifndef LWIP_TIMEVAL_PRIVATE
#define LWIP_TIMEVAL_PRIVATE 1
#endif
#if LWIP_TIMEVAL_PRIVATE
struct timeval {
long tv_sec; /* seconds */
long tv_usec; /* and microseconds */
};
#endif /* LWIP_TIMEVAL_PRIVATE */
#define lwip_socket_init() /* Compatibility define, no init needed. */
void lwip_socket_thread_init(void); /* LWIP_NETCONN_SEM_PER_THREAD==1: initialize thread-local semaphore */
void lwip_socket_thread_cleanup(void); /* LWIP_NETCONN_SEM_PER_THREAD==1: destroy thread-local semaphore */
#if LWIP_COMPAT_SOCKETS == 2
/* This helps code parsers/code completion by not having the COMPAT functions as defines */
#define lwip_accept accept
#define lwip_bind bind
#define lwip_shutdown shutdown
#define lwip_getpeername getpeername
#define lwip_getsockname getsockname
#define lwip_setsockopt setsockopt
#define lwip_getsockopt getsockopt
#define lwip_close closesocket
#define lwip_connect connect
#define lwip_listen listen
#define lwip_recv recv
#define lwip_recvfrom recvfrom
#define lwip_send send
#define lwip_sendmsg sendmsg
#define lwip_sendto sendto
#define lwip_socket socket
#define lwip_select select
#define lwip_ioctlsocket ioctl
#if LWIP_POSIX_SOCKETS_IO_NAMES
#define lwip_read read
#define lwip_write write
#define lwip_writev writev
#undef lwip_close
#define lwip_close close
#define closesocket(s) close(s)
#define lwip_fcntl fcntl
#define lwip_ioctl ioctl
#endif /* LWIP_POSIX_SOCKETS_IO_NAMES */
#endif /* LWIP_COMPAT_SOCKETS == 2 */
int lwip_accept(int s, struct sockaddr *addr, socklen_t *addrlen);
int lwip_bind(int s, const struct sockaddr *name, socklen_t namelen);
int lwip_shutdown(int s, int how);
int lwip_getpeername (int s, struct sockaddr *name, socklen_t *namelen);
int lwip_getsockname (int s, struct sockaddr *name, socklen_t *namelen);
int lwip_getsockopt (int s, int level, int optname, void *optval, socklen_t *optlen);
int lwip_setsockopt (int s, int level, int optname, const void *optval, socklen_t optlen);
int lwip_close(int s);
int lwip_connect(int s, const struct sockaddr *name, socklen_t namelen);
int lwip_listen(int s, int backlog);
int lwip_recv(int s, void *mem, size_t len, int flags);
int lwip_read(int s, void *mem, size_t len);
int lwip_recvfrom(int s, void *mem, size_t len, int flags,
struct sockaddr *from, socklen_t *fromlen);
int lwip_send(int s, const void *dataptr, size_t size, int flags);
int lwip_sendmsg(int s, const struct msghdr *message, int flags);
int lwip_sendto(int s, const void *dataptr, size_t size, int flags,
const struct sockaddr *to, socklen_t tolen);
int lwip_socket(int domain, int type, int protocol);
int lwip_write(int s, const void *dataptr, size_t size);
int lwip_writev(int s, const struct iovec *iov, int iovcnt);
int lwip_select(int maxfdp1, fd_set *readset, fd_set *writeset, fd_set *exceptset,
struct timeval *timeout);
int lwip_ioctl(int s, long cmd, void *argp);
int lwip_fcntl(int s, int cmd, int val);
#if LWIP_COMPAT_SOCKETS
#if LWIP_COMPAT_SOCKETS != 2
#if ESP_THREAD_SAFE
int lwip_accept_r(int s, struct sockaddr *addr, socklen_t *addrlen);
int lwip_bind_r(int s, const struct sockaddr *name, socklen_t namelen);
int lwip_shutdown_r(int s, int how);
int lwip_getpeername_r (int s, struct sockaddr *name, socklen_t *namelen);
int lwip_getsockname_r (int s, struct sockaddr *name, socklen_t *namelen);
int lwip_getsockopt_r (int s, int level, int optname, void *optval, socklen_t *optlen);
int lwip_setsockopt_r (int s, int level, int optname, const void *optval, socklen_t optlen);
int lwip_close_r(int s);
int lwip_connect_r(int s, const struct sockaddr *name, socklen_t namelen);
int lwip_listen_r(int s, int backlog);
int lwip_recvmsg_r(int s, struct msghdr *message, int flags);
int lwip_recv_r(int s, void *mem, size_t len, int flags);
int lwip_read_r(int s, void *mem, size_t len);
int lwip_recvfrom_r(int s, void *mem, size_t len, int flags,
struct sockaddr *from, socklen_t *fromlen);
int lwip_send_r(int s, const void *dataptr, size_t size, int flags);
int lwip_sendmsg_r(int s, const struct msghdr *message, int flags);
int lwip_sendto_r(int s, const void *dataptr, size_t size, int flags,
const struct sockaddr *to, socklen_t tolen);
int lwip_socket(int domain, int type, int protocol);
int lwip_write_r(int s, const void *dataptr, size_t size);
int lwip_writev_r(int s, const struct iovec *iov, int iovcnt);
int lwip_select(int maxfdp1, fd_set *readset, fd_set *writeset, fd_set *exceptset,
struct timeval *timeout);
int lwip_ioctl_r(int s, long cmd, void *argp);
int lwip_fcntl_r(int s, int cmd, int val);
static inline int accept(int s,struct sockaddr *addr,socklen_t *addrlen)
{ return lwip_accept_r(s,addr,addrlen); }
static inline int bind(int s,const struct sockaddr *name, socklen_t namelen)
{ return lwip_bind_r(s,name,namelen); }
static inline int shutdown(int s,int how)
{ return lwip_shutdown_r(s,how); }
static inline int getpeername(int s,struct sockaddr *name,socklen_t *namelen)
{ return lwip_getpeername_r(s,name,namelen); }
static inline int getsockname(int s,struct sockaddr *name,socklen_t *namelen)
{ return lwip_getsockname_r(s,name,namelen); }
static inline int setsockopt(int s,int level,int optname,const void *opval,socklen_t optlen)
{ return lwip_setsockopt_r(s,level,optname,opval,optlen); }
static inline int getsockopt(int s,int level,int optname,void *opval,socklen_t *optlen)
{ return lwip_getsockopt_r(s,level,optname,opval,optlen); }
static inline int closesocket(int s)
{ return lwip_close_r(s); }
static inline int connect(int s,const struct sockaddr *name,socklen_t namelen)
{ return lwip_connect_r(s,name,namelen); }
static inline int listen(int s,int backlog)
{ return lwip_listen_r(s,backlog); }
static inline int recvmsg(int sockfd, struct msghdr *msg, int flags)
{ return lwip_recvmsg_r(sockfd, msg, flags); }
static inline int recv(int s,void *mem,size_t len,int flags)
{ return lwip_recv_r(s,mem,len,flags); }
static inline int recvfrom(int s,void *mem,size_t len,int flags,struct sockaddr *from,socklen_t *fromlen)
{ return lwip_recvfrom_r(s,mem,len,flags,from,fromlen); }
static inline int send(int s,const void *dataptr,size_t size,int flags)
{ return lwip_send_r(s,dataptr,size,flags); }
static inline int sendmsg(int s,const struct msghdr *message,int flags)
{ return lwip_sendmsg_r(s,message,flags); }
static inline int sendto(int s,const void *dataptr,size_t size,int flags,const struct sockaddr *to,socklen_t tolen)
{ return lwip_sendto_r(s,dataptr,size,flags,to,tolen); }
static inline int socket(int domain,int type,int protocol)
{ return lwip_socket(domain,type,protocol); }
#ifndef ESP_HAS_SELECT
static inline int select(int maxfdp1,fd_set *readset,fd_set *writeset,fd_set *exceptset,struct timeval *timeout)
{ return lwip_select(maxfdp1,readset,writeset,exceptset,timeout); }
#endif /* ESP_HAS_SELECT */
static inline int ioctlsocket(int s,long cmd,void *argp)
{ return lwip_ioctl_r(s,cmd,argp); }
#if LWIP_POSIX_SOCKETS_IO_NAMES
static inline int read(int s,void *mem,size_t len)
{ return lwip_read_r(s,mem,len); }
static inline int write(int s,const void *dataptr,size_t len)
{ return lwip_write_r(s,dataptr,len); }
static inline int writev(int s,const struct iovec *iov,int iovcnt)
{ return lwip_writev_r(s,iov,iovcnt); }
static inline int close(int s)
{ return lwip_close_r(s); }
static inline int fcntl(int s,int cmd,int val)
{ return lwip_fcntl_r(s,cmd,val); }
static inline int ioctl(int s,long cmd,void *argp)
{ return lwip_ioctl_r(s,cmd,argp); }
#endif /* { RETURN LWIP_POSIX_SOCKETS_IO_NAMES */
#else
static inline int accept(int s,struct sockaddr *addr,socklen_t *addrlen)
{ return lwip_accept(s,addr,addrlen); }
static inline int bind(int s,const struct sockaddr *name,socklen_t namelen)
{ return lwip_bind(s,name,namelen); }
static inline int shutdown(int s,int how)
{ return lwip_shutdown(s,how); }
static inline int getpeername(int s,struct sockaddr *name,socklen_t *namelen)
{ return lwip_getpeername(s,name,namelen); }
static inline int getsockname(int s,struct sockaddr *name,socklen_t *namelen)
{ return lwip_getsockname(s,name,namelen); }
static inline int setsockopt(int s,int level,int optname,const void *opval,socklen_t optlen)
{ return lwip_setsockopt(s,level,optname,opval,optlen); }
static inline int getsockopt(int s,int level,int optname,void *opval,socklen_t *optlen)
{ return lwip_getsockopt(s,level,optname,opval,optlen); }
static inline int closesocket(int s)
{ return lwip_close(s); }
static inline int connect(int s,const struct sockaddr *name,socklen_t namelen)
{ return lwip_connect(s,name,namelen); }
static inline int listen(int s,int backlog)
{ return lwip_listen(s,backlog); }
static inline int recvmsg(int sockfd, struct msghdr *msg, int flags)
{ return lwip_recvmsg(sockfd, msg, flags); }
static inline int recv(int s,void *mem,size_t len,int flags)
{ return lwip_recv(s,mem,len,flags); }
static inline int recvfrom(int s,void *mem,size_t len,int flags,struct sockaddr *from,socklen_t *fromlen)
{ return lwip_recvfrom(s,mem,len,flags,from,fromlen); }
static inline int send(int s,const void *dataptr,size_t size,int flags)
{ return lwip_send(s,dataptr,size,flags); }
static inline int sendmsg(int s,const struct msghdr *message,int flags)
{ return lwip_sendmsg(s,message,flags); }
static inline int sendto(int s,const void *dataptr,size_t size,int flags,const struct sockaddr *to,socklen_t tolen)
{ return lwip_sendto(s,dataptr,size,flags,to,tolen); }
static inline int socket(int domain,int type,int protocol)
{ return lwip_socket(domain,type,protocol); }
#ifndef ESP_HAS_SELECT
static inline int select(int maxfdp1,fd_set t*readset,fd_set *writeset,fd_set *exceptset,struct timeval *timeout)
{ return lwip_select(maxfdp1,readset,writeset,exceptset,timeout); }
#endif /* ESP_HAS_SELECT */
static inline int ioctlsocket(int s,long cmd,void *argp)
{ return lwip_ioctl(s,cmd,argp); }
#if LWIP_POSIX_SOCKETS_IO_NAMES
static inline int read(int s,void *mem,size_t len)
{ return lwip_read(s,mem,len); }
static inline int write(int s,const void *dataptr,size_t len)
{ return lwip_write(s,dataptr,len); }
static inline int writev(int s,const struct iovec *iov,int iovcnt)
{ return lwip_writev(s,iov,iovcnt); }
static inline int close(int s)
{ return lwip_close(s); }
static inline int fcntl(int s,long cmd,void *val)
{ return lwip_fcntl(s,cmd,val); }
static inline int ioctl(int s,int cmd,int argp)
{ return lwip_ioctl(s,cmd,argp); }
#endif /* LWIP_POSIX_SOCKETS_IO_NAMES */
#endif /* ESP_THREAD_SAFE */
#endif /* LWIP_COMPAT_SOCKETS != 2 */
#if LWIP_IPV4 && LWIP_IPV6
#define lwip_inet_ntop(af,src,dst,size) \
(((af) == AF_INET6) ? ip6addr_ntoa_r((const ip6_addr_t*)(src),(dst),(size)) \
: (((af) == AF_INET) ? ip4addr_ntoa_r((const ip4_addr_t*)(src),(dst),(size)) : NULL))
#define lwip_inet_pton(af,src,dst) \
(((af) == AF_INET6) ? ip6addr_aton((src),(ip6_addr_t*)(dst)) \
: (((af) == AF_INET) ? ip4addr_aton((src),(ip4_addr_t*)(dst)) : 0))
#elif LWIP_IPV4 /* LWIP_IPV4 && LWIP_IPV6 */
#define lwip_inet_ntop(af,src,dst,size) \
(((af) == AF_INET) ? ip4addr_ntoa_r((const ip4_addr_t*)(src),(dst),(size)) : NULL)
#define lwip_inet_pton(af,src,dst) \
(((af) == AF_INET) ? ip4addr_aton((src),(ip4_addr_t*)(dst)) : 0)
#else /* LWIP_IPV4 && LWIP_IPV6 */
#define lwip_inet_ntop(af,src,dst,size) \
(((af) == AF_INET6) ? ip6addr_ntoa_r((const ip6_addr_t*)(src),(dst),(size)) : NULL)
#define lwip_inet_pton(af,src,dst) \
(((af) == AF_INET6) ? ip6addr_aton((src),(ip6_addr_t*)(dst)) : 0)
#endif /* LWIP_IPV4 && LWIP_IPV6 */
#if LWIP_COMPAT_SOCKET_INET == 1
/* Some libraries have problems with inet_... being macros, so please use this define
to declare normal functions */
static inline const char *inet_ntop(int af, const void *src, char *dst, socklen_t size)
{ lwip_inet_ntop(af, src, dst, size); return dst; }
static inline int inet_pton(int af, const char *src, void *dst)
{ lwip_inet_pton(af, src, dst); return 1; }
#else
/* By default fall back to original inet_... macros */
# define inet_ntop(a,b,c,d) lwip_inet_ntop(a,b,c,d)
# define inet_pton(a,b,c) lwip_inet_pton(a,b,c)
#endif /* LWIP_COMPAT_SOCKET_INET */
#endif /* LWIP_COMPAT_SOCKETS */
#ifdef __cplusplus
}
#endif
#endif /* LWIP_SOCKET */
#endif /* LWIP_HDR_SOCKETS_H */

492
components/lwip/include/lwip/lwip/stats.h
View File

@@ -1,492 +0,0 @@
/*
* Copyright (c) 2001-2004 Swedish Institute of Computer Science.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* This file is part of the lwIP TCP/IP stack.
*
* Author: Adam Dunkels <adam@sics.se>
*
*/
#ifndef LWIP_HDR_STATS_H
#define LWIP_HDR_STATS_H
#include "lwip/opt.h"
#include "lwip/mem.h"
#include "lwip/memp.h"
#ifdef __cplusplus
extern "C" {
#endif
#if LWIP_STATS
#ifndef LWIP_STATS_LARGE
#define LWIP_STATS_LARGE 0
#endif
#if LWIP_STATS_LARGE
#define STAT_COUNTER u32_t
#define STAT_COUNTER_F U32_F
#else
#define STAT_COUNTER u16_t
#define STAT_COUNTER_F U16_F
#endif
struct stats_proto {
STAT_COUNTER xmit; /* Transmitted packets. */
STAT_COUNTER recv; /* Received packets. */
STAT_COUNTER fw; /* Forwarded packets. */
STAT_COUNTER drop; /* Dropped packets. */
STAT_COUNTER chkerr; /* Checksum error. */
STAT_COUNTER lenerr; /* Invalid length error. */
STAT_COUNTER memerr; /* Out of memory error. */
STAT_COUNTER rterr; /* Routing error. */
STAT_COUNTER proterr; /* Protocol error. */
STAT_COUNTER opterr; /* Error in options. */
STAT_COUNTER err; /* Misc error. */
STAT_COUNTER cachehit;
};
struct stats_igmp {
STAT_COUNTER xmit; /* Transmitted packets. */
STAT_COUNTER recv; /* Received packets. */
STAT_COUNTER drop; /* Dropped packets. */
STAT_COUNTER chkerr; /* Checksum error. */
STAT_COUNTER lenerr; /* Invalid length error. */
STAT_COUNTER memerr; /* Out of memory error. */
STAT_COUNTER proterr; /* Protocol error. */
STAT_COUNTER rx_v1; /* Received v1 frames. */
STAT_COUNTER rx_group; /* Received group-specific queries. */
STAT_COUNTER rx_general; /* Received general queries. */
STAT_COUNTER rx_report; /* Received reports. */
STAT_COUNTER tx_join; /* Sent joins. */
STAT_COUNTER tx_leave; /* Sent leaves. */
STAT_COUNTER tx_report; /* Sent reports. */
};
struct stats_mem {
#ifdef LWIP_DEBUG
const char *name;
#endif /* LWIP_DEBUG */
STAT_COUNTER err;
mem_size_t avail;
mem_size_t used;
mem_size_t max;
STAT_COUNTER illegal;
};
struct stats_syselem {
STAT_COUNTER used;
STAT_COUNTER max;
STAT_COUNTER err;
};
struct stats_sys {
struct stats_syselem sem;
struct stats_syselem mutex;
struct stats_syselem mbox;
};
struct stats_mib2 {
/* IP */
u32_t ipinhdrerrors;
u32_t ipinaddrerrors;
u32_t ipinunknownprotos;
u32_t ipindiscards;
u32_t ipindelivers;
u32_t ipoutrequests;
u32_t ipoutdiscards;
u32_t ipoutnoroutes;
u32_t ipreasmoks;
u32_t ipreasmfails;
u32_t ipfragoks;
u32_t ipfragfails;
u32_t ipfragcreates;
u32_t ipreasmreqds;
u32_t ipforwdatagrams;
u32_t ipinreceives;
/* TCP */
u32_t tcpactiveopens;
u32_t tcppassiveopens;
u32_t tcpattemptfails;
u32_t tcpestabresets;
u32_t tcpoutsegs;
u32_t tcpretranssegs;
u32_t tcpinsegs;
u32_t tcpinerrs;
u32_t tcpoutrsts;
/* UDP */
u32_t udpindatagrams;
u32_t udpnoports;
u32_t udpinerrors;
u32_t udpoutdatagrams;
/* ICMP */
u32_t icmpinmsgs;
u32_t icmpinerrors;
u32_t icmpindestunreachs;
u32_t icmpintimeexcds;
u32_t icmpinparmprobs;
u32_t icmpinsrcquenchs;
u32_t icmpinredirects;
u32_t icmpinechos;
u32_t icmpinechoreps;
u32_t icmpintimestamps;
u32_t icmpintimestampreps;
u32_t icmpinaddrmasks;
u32_t icmpinaddrmaskreps;
u32_t icmpoutmsgs;
u32_t icmpouterrors;
u32_t icmpoutdestunreachs;
u32_t icmpouttimeexcds;
u32_t icmpoutechos; /* can be incremented by user application ('ping') */
u32_t icmpoutechoreps;
};
struct stats_mib2_netif_ctrs {
/* The total number of octets received on the interface, including framing characters */
u32_t ifinoctets;
/* The number of packets, delivered by this sub-layer to a higher (sub-)layer, which were
* not addressed to a multicast or broadcast address at this sub-layer */
u32_t ifinucastpkts;
/* The number of packets, delivered by this sub-layer to a higher (sub-)layer, which were
* addressed to a multicast or broadcast address at this sub-layer */
u32_t ifinnucastpkts;
/* The number of inbound packets which were chosen to be discarded even though no errors had
* been detected to prevent their being deliverable to a higher-layer protocol. One possible
* reason for discarding such a packet could be to free up buffer space */
u32_t ifindiscards;
/* For packet-oriented interfaces, the number of inbound packets that contained errors
* preventing them from being deliverable to a higher-layer protocol. For character-
* oriented or fixed-length interfaces, the number of inbound transmission units that
* contained errors preventing them from being deliverable to a higher-layer protocol. */
u32_t ifinerrors;
/* For packet-oriented interfaces, the number of packets received via the interface which
* were discarded because of an unknown or unsupported protocol. For character-oriented
* or fixed-length interfaces that support protocol multiplexing the number of transmission
* units received via the interface which were discarded because of an unknown or unsupported
* protocol. For any interface that does not support protocol multiplexing, this counter will
* always be 0 */
u32_t ifinunknownprotos;
/* The total number of octets transmitted out of the interface, including framing characters. */
u32_t ifoutoctets;
/* The total number of packets that higher-level protocols requested be transmitted, and
* which were not addressed to a multicast or broadcast address at this sub-layer, including
* those that were discarded or not sent. */
u32_t ifoutucastpkts;
/* The total number of packets that higher-level protocols requested be transmitted, and which
* were addressed to a multicast or broadcast address at this sub-layer, including
* those that were discarded or not sent. */
u32_t ifoutnucastpkts;
/* The number of outbound packets which were chosen to be discarded even though no errors had
* been detected to prevent their being transmitted. One possible reason for discarding
* such a packet could be to free up buffer space. */
u32_t ifoutdiscards;
/* For packet-oriented interfaces, the number of outbound packets that could not be transmitted
* because of errors. For character-oriented or fixed-length interfaces, the number of outbound
* transmission units that could not be transmitted because of errors. */
u32_t ifouterrors;
};
struct stats_esp {
/* mbox post fail stats */
u32_t rx_rawmbox_post_fail;
u32_t rx_udpmbox_post_fail;
u32_t rx_tcpmbox_post_fail;
u32_t err_tcp_rxmbox_post_fail;
u32_t err_tcp_acceptmbox_post_fail;
u32_t acceptmbox_post_fail;
u32_t free_mbox_post_fail;
u32_t tcpip_inpkt_post_fail;
u32_t tcpip_cb_post_fail;
/* memory malloc/free/failed stats */
u32_t wlanif_input_pbuf_fail;
u32_t wlanif_outut_pbuf_fail;
};
struct stats_ {
#if LINK_STATS
struct stats_proto link;
#endif
#if ETHARP_STATS
struct stats_proto etharp;
#endif
#if IPFRAG_STATS
struct stats_proto ip_frag;
#endif
#if IP_STATS
struct stats_proto ip;
#endif
#if ICMP_STATS
struct stats_proto icmp;
#endif
#if IGMP_STATS
struct stats_igmp igmp;
#endif
#if UDP_STATS
struct stats_proto udp;
#endif
#if TCP_STATS
struct stats_proto tcp;
#endif
#if MEM_STATS
struct stats_mem mem;
#endif
#if MEMP_STATS
struct stats_mem memp[MEMP_MAX];
#endif
#if SYS_STATS
struct stats_sys sys;
#endif
#if IP6_STATS
struct stats_proto ip6;
#endif
#if ICMP6_STATS
struct stats_proto icmp6;
#endif
#if IP6_FRAG_STATS
struct stats_proto ip6_frag;
#endif
#if MLD6_STATS
struct stats_igmp mld6;
#endif
#if ND6_STATS
struct stats_proto nd6;
#endif
#if MIB2_STATS
struct stats_mib2 mib2;
#endif
#if ESP_STATS_DROP
struct stats_esp esp;
#endif
};
extern struct stats_ lwip_stats;
void stats_init(void);
#define STATS_INC(x) ++lwip_stats.x
#define STATS_DEC(x) --lwip_stats.x
#define STATS_INC_USED(x, y) do { lwip_stats.x.used += y; \
if (lwip_stats.x.max < lwip_stats.x.used) { \
lwip_stats.x.max = lwip_stats.x.used; \
} \
} while(0)
#define STATS_GET(x) lwip_stats.x
#else /* LWIP_STATS */
#define stats_init()
#define STATS_INC(x)
#define STATS_DEC(x)
#define STATS_INC_USED(x)
#endif /* LWIP_STATS */
#if TCP_STATS
#define TCP_STATS_INC(x) STATS_INC(x)
#define TCP_STATS_DISPLAY() stats_display_proto(&lwip_stats.tcp, "TCP")
#else
#define TCP_STATS_INC(x)
#define TCP_STATS_DISPLAY()
#endif
#if UDP_STATS
#define UDP_STATS_INC(x) STATS_INC(x)
#define UDP_STATS_DISPLAY() stats_display_proto(&lwip_stats.udp, "UDP")
#else
#define UDP_STATS_INC(x)
#define UDP_STATS_DISPLAY()
#endif
#if ICMP_STATS
#define ICMP_STATS_INC(x) STATS_INC(x)
#define ICMP_STATS_DISPLAY() stats_display_proto(&lwip_stats.icmp, "ICMP")
#else
#define ICMP_STATS_INC(x)
#define ICMP_STATS_DISPLAY()
#endif
#if IGMP_STATS
#define IGMP_STATS_INC(x) STATS_INC(x)
#define IGMP_STATS_DISPLAY() stats_display_igmp(&lwip_stats.igmp, "IGMP")
#else
#define IGMP_STATS_INC(x)
#define IGMP_STATS_DISPLAY()
#endif
#if IP_STATS
#define IP_STATS_INC(x) STATS_INC(x)
#define IP_STATS_DISPLAY() stats_display_proto(&lwip_stats.ip, "IP")
#else
#define IP_STATS_INC(x)
#define IP_STATS_DISPLAY()
#endif
#if IPFRAG_STATS
#define IPFRAG_STATS_INC(x) STATS_INC(x)
#define IPFRAG_STATS_DISPLAY() stats_display_proto(&lwip_stats.ip_frag, "IP_FRAG")
#else
#define IPFRAG_STATS_INC(x)
#define IPFRAG_STATS_DISPLAY()
#endif
#if ETHARP_STATS
#define ETHARP_STATS_INC(x) STATS_INC(x)
#define ETHARP_STATS_DISPLAY() stats_display_proto(&lwip_stats.etharp, "ETHARP")
#else
#define ETHARP_STATS_INC(x)
#define ETHARP_STATS_DISPLAY()
#endif
#if LINK_STATS
#define LINK_STATS_INC(x) STATS_INC(x)
#define LINK_STATS_DISPLAY() stats_display_proto(&lwip_stats.link, "LINK")
#else
#define LINK_STATS_INC(x)
#define LINK_STATS_DISPLAY()
#endif
#if MEM_STATS
#define MEM_STATS_AVAIL(x, y) lwip_stats.mem.x = y
#define MEM_STATS_INC(x) STATS_INC(mem.x)
#define MEM_STATS_INC_USED(x, y) STATS_INC_USED(mem, y)
#define MEM_STATS_DEC_USED(x, y) lwip_stats.mem.x -= y
#define MEM_STATS_DISPLAY() stats_display_mem(&lwip_stats.mem, "HEAP")
#else
#define MEM_STATS_AVAIL(x, y)
#define MEM_STATS_INC(x)
#define MEM_STATS_INC_USED(x, y)
#define MEM_STATS_DEC_USED(x, y)
#define MEM_STATS_DISPLAY()
#endif
#if MEMP_STATS
#define MEMP_STATS_AVAIL(x, i, y) lwip_stats.memp[i].x = y
#define MEMP_STATS_INC(x, i) STATS_INC(memp[i].x)
#define MEMP_STATS_DEC(x, i) STATS_DEC(memp[i].x)
#define MEMP_STATS_INC_USED(x, i) STATS_INC_USED(memp[i], 1)
#define MEMP_STATS_DISPLAY(i) stats_display_memp(&lwip_stats.memp[i], i)
#define MEMP_STATS_GET(x, i) STATS_GET(memp[i].x)
#else
#define MEMP_STATS_AVAIL(x, i, y)
#define MEMP_STATS_INC(x, i)
#define MEMP_STATS_DEC(x, i)
#define MEMP_STATS_INC_USED(x, i)
#define MEMP_STATS_DISPLAY(i)
#define MEMP_STATS_GET(x, i) 0
#endif
#if SYS_STATS
#define SYS_STATS_INC(x) STATS_INC(sys.x)
#define SYS_STATS_DEC(x) STATS_DEC(sys.x)
#define SYS_STATS_INC_USED(x) STATS_INC_USED(sys.x, 1)
#define SYS_STATS_DISPLAY() stats_display_sys(&lwip_stats.sys)
#else
#define SYS_STATS_INC(x)
#define SYS_STATS_DEC(x)
#define SYS_STATS_INC_USED(x)
#define SYS_STATS_DISPLAY()
#endif
#if IP6_STATS
#define IP6_STATS_INC(x) STATS_INC(x)
#define IP6_STATS_DISPLAY() stats_display_proto(&lwip_stats.ip6, "IPv6")
#else
#define IP6_STATS_INC(x)
#define IP6_STATS_DISPLAY()
#endif
#if ICMP6_STATS
#define ICMP6_STATS_INC(x) STATS_INC(x)
#define ICMP6_STATS_DISPLAY() stats_display_proto(&lwip_stats.icmp6, "ICMPv6")
#else
#define ICMP6_STATS_INC(x)
#define ICMP6_STATS_DISPLAY()
#endif
#if IP6_FRAG_STATS
#define IP6_FRAG_STATS_INC(x) STATS_INC(x)
#define IP6_FRAG_STATS_DISPLAY() stats_display_proto(&lwip_stats.ip6_frag, "IPv6 FRAG")
#else
#define IP6_FRAG_STATS_INC(x)
#define IP6_FRAG_STATS_DISPLAY()
#endif
#if MLD6_STATS
#define MLD6_STATS_INC(x) STATS_INC(x)
#define MLD6_STATS_DISPLAY() stats_display_igmp(&lwip_stats.mld6, "MLDv1")
#else
#define MLD6_STATS_INC(x)
#define MLD6_STATS_DISPLAY()
#endif
#if ND6_STATS
#define ND6_STATS_INC(x) STATS_INC(x)
#define ND6_STATS_DISPLAY() stats_display_proto(&lwip_stats.nd6, "ND")
#else
#define ND6_STATS_INC(x)
#define ND6_STATS_DISPLAY()
#endif
#if MIB2_STATS
#define MIB2_STATS_INC(x) STATS_INC(x)
#else
#define MIB2_STATS_INC(x)
#endif
#if ESP_STATS_DROP
#define ESP_STATS_DROP_INC(x) STATS_INC(x)
#define ESP_STATS_DROP_DISPLAY() stats_display_esp(&lwip_stats.esp);
#else
#define ESP_STATS_DROP_INC(x)
#define ESP_STATS_DROP_DISPLAY()
#endif
/* Display of statistics */
#if LWIP_STATS_DISPLAY
void stats_display(void);
void stats_display_proto(struct stats_proto *proto, const char *name);
void stats_display_igmp(struct stats_igmp *igmp, const char *name);
void stats_display_mem(struct stats_mem *mem, const char *name);
void stats_display_memp(struct stats_mem *mem, int index);
void stats_display_sys(struct stats_sys *sys);
void stats_display_esp(struct stats_esp *esp);
#else /* LWIP_STATS_DISPLAY */
#define stats_display()
#define stats_display_proto(proto, name)
#define stats_display_igmp(igmp, name)
#define stats_display_mem(mem, name)
#define stats_display_memp(mem, index)
#define stats_display_sys(sys)
#define stats_display_esp(esp)
#endif /* LWIP_STATS_DISPLAY */
#ifdef __cplusplus
}
#endif
#endif /* LWIP_HDR_STATS_H */

366
components/lwip/include/lwip/lwip/sys.h
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@@ -1,366 +0,0 @@
/*
* Copyright (c) 2001-2004 Swedish Institute of Computer Science.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* This file is part of the lwIP TCP/IP stack.
*
* Author: Adam Dunkels <adam@sics.se>
*
*/
#ifndef LWIP_HDR_SYS_H
#define LWIP_HDR_SYS_H
#include "lwip/opt.h"
#ifdef __cplusplus
extern "C" {
#endif
#if NO_SYS
/* For a totally minimal and standalone system, we provide null
definitions of the sys_ functions. */
typedef u8_t sys_sem_t;
typedef u8_t sys_mutex_t;
typedef u8_t sys_mbox_t;
#define sys_sem_new(s, c) ERR_OK
#define sys_sem_signal(s)
#define sys_sem_wait(s)
#define sys_arch_sem_wait(s,t)
#define sys_sem_free(s)
#define sys_sem_valid(s) 0
#define sys_sem_valid_val(s) 0
#define sys_sem_set_invalid(s)
#define sys_sem_set_invalid_val(s)
#define sys_mutex_new(mu) ERR_OK
#define sys_mutex_lock(mu)
#define sys_mutex_unlock(mu)
#define sys_mutex_free(mu)
#define sys_mutex_valid(mu) 0
#define sys_mutex_set_invalid(mu)
#define sys_mbox_new(m, s) ERR_OK
#define sys_mbox_fetch(m,d)
#define sys_mbox_tryfetch(m,d)
#define sys_mbox_post(m,d)
#define sys_mbox_trypost(m,d)
#define sys_mbox_free(m)
#define sys_mbox_valid(m)
#define sys_mbox_valid_val(m)
#define sys_mbox_set_invalid(m)
#define sys_mbox_set_invalid_val(m)
#define sys_thread_new(n,t,a,s,p)
#define sys_msleep(t)
#else /* NO_SYS */
/** Return code for timeouts from sys_arch_mbox_fetch and sys_arch_sem_wait */
#define SYS_ARCH_TIMEOUT 0xffffffffUL
/** sys_mbox_tryfetch() returns SYS_MBOX_EMPTY if appropriate.
* For now we use the same magic value, but we allow this to change in future.
*/
#define SYS_MBOX_EMPTY SYS_ARCH_TIMEOUT
#include "lwip/err.h"
#include "arch/sys_arch.h"
/** Function prototype for thread functions */
typedef void (*lwip_thread_fn)(void *arg);
/* Function prototypes for functions to be implemented by platform ports
(in sys_arch.c) */
/* Mutex functions: */
/** Define LWIP_COMPAT_MUTEX if the port has no mutexes and binary semaphores
should be used instead */
#ifndef LWIP_COMPAT_MUTEX
#define LWIP_COMPAT_MUTEX 0
#endif
#if LWIP_COMPAT_MUTEX
/* for old ports that don't have mutexes: define them to binary semaphores */
#define sys_mutex_t sys_sem_t
#define sys_mutex_new(mutex) sys_sem_new(mutex, 1)
#define sys_mutex_lock(mutex) sys_sem_wait(mutex)
#define sys_mutex_unlock(mutex) sys_sem_signal(mutex)
#define sys_mutex_free(mutex) sys_sem_free(mutex)
#define sys_mutex_valid(mutex) sys_sem_valid(mutex)
#define sys_mutex_set_invalid(mutex) sys_sem_set_invalid(mutex)
#else /* LWIP_COMPAT_MUTEX */
/** Create a new mutex
* @param mutex pointer to the mutex to create
* @return a new mutex */
err_t sys_mutex_new(sys_mutex_t *mutex);
/** Lock a mutex
* @param mutex the mutex to lock */
void sys_mutex_lock(sys_mutex_t *mutex);
/** Unlock a mutex
* @param mutex the mutex to unlock */
void sys_mutex_unlock(sys_mutex_t *mutex);
/** Delete a semaphore
* @param mutex the mutex to delete */
void sys_mutex_free(sys_mutex_t *mutex);
#ifndef sys_mutex_valid
/** Check if a mutex is valid/allocated: return 1 for valid, 0 for invalid */
int sys_mutex_valid(sys_mutex_t *mutex);
#endif
#ifndef sys_mutex_set_invalid
/** Set a mutex invalid so that sys_mutex_valid returns 0 */
void sys_mutex_set_invalid(sys_mutex_t *mutex);
#endif
#endif /* LWIP_COMPAT_MUTEX */
/* Semaphore functions: */
/** Create a new semaphore
* @param sem pointer to the semaphore to create
* @param count initial count of the semaphore
* @return ERR_OK if successful, another err_t otherwise */
err_t sys_sem_new(sys_sem_t *sem, u8_t count);
/** Signals a semaphore
* @param sem the semaphore to signal */
void sys_sem_signal(sys_sem_t *sem);
/** Signals a semaphore (ISR version)
* @param sem the semaphore to signal
* @return non-zero if a higher priority task has been woken */
int sys_sem_signal_isr(sys_sem_t *sem);
/** Wait for a semaphore for the specified timeout
* @param sem the semaphore to wait for
* @param timeout timeout in milliseconds to wait (0 = wait forever)
* @return time (in milliseconds) waited for the semaphore
* or SYS_ARCH_TIMEOUT on timeout */
u32_t sys_arch_sem_wait(sys_sem_t *sem, u32_t timeout);
/** Delete a semaphore
* @param sem semaphore to delete */
void sys_sem_free(sys_sem_t *sem);
/** Wait for a semaphore - forever/no timeout */
#define sys_sem_wait(sem) sys_arch_sem_wait(sem, 0)
#ifndef sys_sem_valid
/** Check if a semaphore is valid/allocated: return 1 for valid, 0 for invalid */
int sys_sem_valid(sys_sem_t *sem);
#endif
#ifndef sys_sem_set_invalid
/** Set a semaphore invalid so that sys_sem_valid returns 0 */
void sys_sem_set_invalid(sys_sem_t *sem);
#endif
#ifndef sys_sem_valid_val
/** Same as sys_sem_valid() but taking a value, not a pointer */
#define sys_sem_valid_val(sem) sys_sem_valid(&(sem))
#endif
#ifndef sys_sem_set_invalid_val
/** Same as sys_sem_set_invalid() but taking a value, not a pointer */
#define sys_sem_set_invalid_val(sem) sys_sem_set_invalid(&(sem))
#endif
/* Time functions. */
#ifndef sys_msleep
void sys_msleep(u32_t ms); /* only has a (close to) 1 ms resolution. */
#endif
/* Mailbox functions. */
/** Create a new mbox of specified size
* @param mbox pointer to the mbox to create
* @param size (minimum) number of messages in this mbox
* @return ERR_OK if successful, another err_t otherwise */
err_t sys_mbox_new(sys_mbox_t *mbox, int size);
/** Post a message to an mbox - may not fail
* -> blocks if full, only used from tasks not from ISR
* @param mbox mbox to posts the message
* @param msg message to post (ATTENTION: can be NULL) */
void sys_mbox_post(sys_mbox_t *mbox, void *msg);
/** Try to post a message to an mbox - may fail if full or ISR
* @param mbox mbox to posts the message
* @param msg message to post (ATTENTION: can be NULL) */
err_t sys_mbox_trypost(sys_mbox_t *mbox, void *msg);
/** Wait for a new message to arrive in the mbox
* @param mbox mbox to get a message from
* @param msg pointer where the message is stored
* @param timeout maximum time (in milliseconds) to wait for a message (0 = wait forever)
* @return time (in milliseconds) waited for a message, may be 0 if not waited
or SYS_ARCH_TIMEOUT on timeout
* The returned time has to be accurate to prevent timer jitter! */
u32_t sys_arch_mbox_fetch(sys_mbox_t *mbox, void **msg, u32_t timeout);
/* Allow port to override with a macro, e.g. special timeout for sys_arch_mbox_fetch() */
#ifndef sys_arch_mbox_tryfetch
/** Wait for a new message to arrive in the mbox
* @param mbox mbox to get a message from
* @param msg pointer where the message is stored
* @return 0 (milliseconds) if a message has been received
* or SYS_MBOX_EMPTY if the mailbox is empty */
u32_t sys_arch_mbox_tryfetch(sys_mbox_t *mbox, void **msg);
#endif
/** For now, we map straight to sys_arch implementation. */
#define sys_mbox_tryfetch(mbox, msg) sys_arch_mbox_tryfetch(mbox, msg)
/** Delete an mbox
* @param mbox mbox to delete */
void sys_mbox_free(sys_mbox_t *mbox);
#define sys_mbox_fetch(mbox, msg) sys_arch_mbox_fetch(mbox, msg, 0)
#ifndef sys_mbox_valid
/** Check if an mbox is valid/allocated: return 1 for valid, 0 for invalid */
int sys_mbox_valid(sys_mbox_t *mbox);
#endif
#ifndef sys_mbox_set_invalid
/** Set an mbox invalid so that sys_mbox_valid returns 0 */
void sys_mbox_set_invalid(sys_mbox_t *mbox);
#endif
#ifndef sys_mbox_valid_val
/** Same as sys_mbox_valid() but taking a value, not a pointer */
#define sys_mbox_valid_val(mbox) sys_mbox_valid(&(mbox))
#endif
#ifndef sys_mbox_set_invalid_val
/** Same as sys_mbox_set_invalid() but taking a value, not a pointer */
#define sys_mbox_set_invalid_val(mbox) sys_mbox_set_invalid(&(mbox))
#endif
/** The only thread function:
* Creates a new thread
* ATTENTION: although this function returns a value, it MUST NOT FAIL (ports have to assert this!)
* @param name human-readable name for the thread (used for debugging purposes)
* @param thread thread-function
* @param arg parameter passed to 'thread'
* @param stacksize stack size in bytes for the new thread (may be ignored by ports)
* @param prio priority of the new thread (may be ignored by ports) */
sys_thread_t sys_thread_new(const char *name, lwip_thread_fn thread, void *arg, int stacksize, int prio);
#endif /* NO_SYS */
/* sys_init() must be called before anything else. */
void sys_init(void);
#ifndef sys_jiffies
/** Ticks/jiffies since power up. */
u32_t sys_jiffies(void);
#endif
/** Returns the current time in milliseconds,
* may be the same as sys_jiffies or at least based on it. */
u32_t sys_now(void);
/* Critical Region Protection */
/* These functions must be implemented in the sys_arch.c file.
In some implementations they can provide a more light-weight protection
mechanism than using semaphores. Otherwise semaphores can be used for
implementation */
#ifndef SYS_ARCH_PROTECT
/** SYS_LIGHTWEIGHT_PROT
* define SYS_LIGHTWEIGHT_PROT in lwipopts.h if you want inter-task protection
* for certain critical regions during buffer allocation, deallocation and memory
* allocation and deallocation.
*/
#if SYS_LIGHTWEIGHT_PROT
/** SYS_ARCH_DECL_PROTECT
* declare a protection variable. This macro will default to defining a variable of
* type sys_prot_t. If a particular port needs a different implementation, then
* this macro may be defined in sys_arch.h.
*/
#define SYS_ARCH_DECL_PROTECT(lev) sys_prot_t lev
/** SYS_ARCH_PROTECT
* Perform a "fast" protect. This could be implemented by
* disabling interrupts for an embedded system or by using a semaphore or
* mutex. The implementation should allow calling SYS_ARCH_PROTECT when
* already protected. The old protection level is returned in the variable
* "lev". This macro will default to calling the sys_arch_protect() function
* which should be implemented in sys_arch.c. If a particular port needs a
* different implementation, then this macro may be defined in sys_arch.h
*/
#define SYS_ARCH_PROTECT(lev) lev = sys_arch_protect()
/** SYS_ARCH_UNPROTECT
* Perform a "fast" set of the protection level to "lev". This could be
* implemented by setting the interrupt level to "lev" within the MACRO or by
* using a semaphore or mutex. This macro will default to calling the
* sys_arch_unprotect() function which should be implemented in
* sys_arch.c. If a particular port needs a different implementation, then
* this macro may be defined in sys_arch.h
*/
#define SYS_ARCH_UNPROTECT(lev) sys_arch_unprotect(lev)
sys_prot_t sys_arch_protect(void);
void sys_arch_unprotect(sys_prot_t pval);
#else
#define SYS_ARCH_DECL_PROTECT(lev)
#define SYS_ARCH_PROTECT(lev)
#define SYS_ARCH_UNPROTECT(lev)
#endif /* SYS_LIGHTWEIGHT_PROT */
#endif /* SYS_ARCH_PROTECT */
/*
* Macros to set/get and increase/decrease variables in a thread-safe way.
* Use these for accessing variable that are used from more than one thread.
*/
#ifndef SYS_ARCH_INC
#define SYS_ARCH_INC(var, val) do { \
SYS_ARCH_DECL_PROTECT(old_level); \
SYS_ARCH_PROTECT(old_level); \
var += val; \
SYS_ARCH_UNPROTECT(old_level); \
} while(0)
#endif /* SYS_ARCH_INC */
#ifndef SYS_ARCH_DEC
#define SYS_ARCH_DEC(var, val) do { \
SYS_ARCH_DECL_PROTECT(old_level); \
SYS_ARCH_PROTECT(old_level); \
var -= val; \
SYS_ARCH_UNPROTECT(old_level); \
} while(0)
#endif /* SYS_ARCH_DEC */
#ifndef SYS_ARCH_GET
#define SYS_ARCH_GET(var, ret) do { \
SYS_ARCH_DECL_PROTECT(old_level); \
SYS_ARCH_PROTECT(old_level); \
ret = var; \
SYS_ARCH_UNPROTECT(old_level); \
} while(0)
#endif /* SYS_ARCH_GET */
#ifndef SYS_ARCH_SET
#define SYS_ARCH_SET(var, val) do { \
SYS_ARCH_DECL_PROTECT(old_level); \
SYS_ARCH_PROTECT(old_level); \
var = val; \
SYS_ARCH_UNPROTECT(old_level); \
} while(0)
#endif /* SYS_ARCH_SET */
#ifdef __cplusplus
}
#endif
#endif /* LWIP_HDR_SYS_H */

449
components/lwip/include/lwip/lwip/tcp.h
View File

@@ -1,449 +0,0 @@
/*
* Copyright (c) 2001-2004 Swedish Institute of Computer Science.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* This file is part of the lwIP TCP/IP stack.
*
* Author: Adam Dunkels <adam@sics.se>
*
*/
#ifndef LWIP_HDR_TCP_H
#define LWIP_HDR_TCP_H
#include "lwip/opt.h"
#if LWIP_TCP /* don't build if not configured for use in lwipopts.h */
#include "lwip/mem.h"
#include "lwip/pbuf.h"
#include "lwip/ip.h"
#include "lwip/icmp.h"
#include "lwip/err.h"
#include "lwip/ip6.h"
#include "lwip/ip6_addr.h"
#ifdef __cplusplus
extern "C" {
#endif
struct tcp_pcb;
/** Function prototype for tcp accept callback functions. Called when a new
* connection can be accepted on a listening pcb.
*
* @param arg Additional argument to pass to the callback function (@see tcp_arg())
* @param newpcb The new connection pcb
* @param err An error code if there has been an error accepting.
* Only return ERR_ABRT if you have called tcp_abort from within the
* callback function!
*/
typedef err_t (*tcp_accept_fn)(void *arg, struct tcp_pcb *newpcb, err_t err);
/** Function prototype for tcp receive callback functions. Called when data has
* been received.
*
* @param arg Additional argument to pass to the callback function (@see tcp_arg())
* @param tpcb The connection pcb which received data
* @param p The received data (or NULL when the connection has been closed!)
* @param err An error code if there has been an error receiving
* Only return ERR_ABRT if you have called tcp_abort from within the
* callback function!
*/
typedef err_t (*tcp_recv_fn)(void *arg, struct tcp_pcb *tpcb,
struct pbuf *p, err_t err);
/** Function prototype for tcp sent callback functions. Called when sent data has
* been acknowledged by the remote side. Use it to free corresponding resources.
* This also means that the pcb has now space available to send new data.
*
* @param arg Additional argument to pass to the callback function (@see tcp_arg())
* @param tpcb The connection pcb for which data has been acknowledged
* @param len The amount of bytes acknowledged
* @return ERR_OK: try to send some data by calling tcp_output
* Only return ERR_ABRT if you have called tcp_abort from within the
* callback function!
*/
typedef err_t (*tcp_sent_fn)(void *arg, struct tcp_pcb *tpcb,
u16_t len);
/** Function prototype for tcp poll callback functions. Called periodically as
* specified by @see tcp_poll.
*
* @param arg Additional argument to pass to the callback function (@see tcp_arg())
* @param tpcb tcp pcb
* @return ERR_OK: try to send some data by calling tcp_output
* Only return ERR_ABRT if you have called tcp_abort from within the
* callback function!
*/
typedef err_t (*tcp_poll_fn)(void *arg, struct tcp_pcb *tpcb);
/** Function prototype for tcp error callback functions. Called when the pcb
* receives a RST or is unexpectedly closed for any other reason.
*
* @note The corresponding pcb is already freed when this callback is called!
*
* @param arg Additional argument to pass to the callback function (@see tcp_arg())
* @param err Error code to indicate why the pcb has been closed
* ERR_ABRT: aborted through tcp_abort or by a TCP timer
* ERR_RST: the connection was reset by the remote host
*/
typedef void (*tcp_err_fn)(void *arg, err_t err);
/** Function prototype for tcp connected callback functions. Called when a pcb
* is connected to the remote side after initiating a connection attempt by
* calling tcp_connect().
*
* @param arg Additional argument to pass to the callback function (@see tcp_arg())
* @param tpcb The connection pcb which is connected
* @param err An unused error code, always ERR_OK currently ;-) TODO!
* Only return ERR_ABRT if you have called tcp_abort from within the
* callback function!
*
* @note When a connection attempt fails, the error callback is currently called!
*/
typedef err_t (*tcp_connected_fn)(void *arg, struct tcp_pcb *tpcb, err_t err);
#if LWIP_WND_SCALE
#define RCV_WND_SCALE(pcb, wnd) (((wnd) >> (pcb)->rcv_scale))
#define SND_WND_SCALE(pcb, wnd) (((wnd) << (pcb)->snd_scale))
#define TCPWND16(x) ((u16_t)LWIP_MIN((x), 0xFFFF))
#define TCP_WND_MAX(pcb) ((tcpwnd_size_t)(((pcb)->flags & TF_WND_SCALE) ? TCP_WND(pcb) : TCPWND16(TCP_WND(pcb))))
typedef u32_t tcpwnd_size_t;
typedef u16_t tcpflags_t;
#else
#define RCV_WND_SCALE(pcb, wnd) (wnd)
#define SND_WND_SCALE(pcb, wnd) (wnd)
#define TCPWND16(x) (x)
#define TCP_WND_MAX(pcb) TCP_WND(pcb)
typedef u16_t tcpwnd_size_t;
typedef u16_t tcpflags_t;
#endif
enum tcp_state {
CLOSED = 0,
LISTEN = 1,
SYN_SENT = 2,
SYN_RCVD = 3,
ESTABLISHED = 4,
FIN_WAIT_1 = 5,
FIN_WAIT_2 = 6,
CLOSE_WAIT = 7,
CLOSING = 8,
LAST_ACK = 9,
TIME_WAIT = 10
};
#if LWIP_CALLBACK_API
/* Function to call when a listener has been connected.
* @param arg user-supplied argument (tcp_pcb.callback_arg)
* @param pcb a new tcp_pcb that now is connected
* @param err an error argument (TODO: that is current always ERR_OK?)
* @return ERR_OK: accept the new connection,
* any other err_t aborts the new connection
*/
#define DEF_ACCEPT_CALLBACK tcp_accept_fn accept;
#else /* LWIP_CALLBACK_API */
#define DEF_ACCEPT_CALLBACK
#endif /* LWIP_CALLBACK_API */
/**
* members common to struct tcp_pcb and struct tcp_listen_pcb
*/
#define TCP_PCB_COMMON(type) \
type *next; /* for the linked list */ \
void *callback_arg; \
/* the accept callback for listen- and normal pcbs, if LWIP_CALLBACK_API */ \
DEF_ACCEPT_CALLBACK \
enum tcp_state state; /* TCP state */ \
u8_t prio; \
/* ports are in host byte order */ \
u16_t local_port
/* the TCP protocol control block */
struct tcp_pcb {
/** common PCB members */
IP_PCB;
/** protocol specific PCB members */
TCP_PCB_COMMON(struct tcp_pcb);
/* ports are in host byte order */
u16_t remote_port;
tcpflags_t flags;
#define TF_ACK_DELAY 0x01U /* Delayed ACK. */
#define TF_ACK_NOW 0x02U /* Immediate ACK. */
#define TF_INFR 0x04U /* In fast recovery. */
#define TF_TIMESTAMP 0x08U /* Timestamp option enabled */
#define TF_RXCLOSED 0x10U /* rx closed by tcp_shutdown */
#define TF_FIN 0x20U /* Connection was closed locally (FIN segment enqueued). */
#define TF_NODELAY 0x40U /* Disable Nagle algorithm */
#define TF_NAGLEMEMERR 0x80U /* nagle enabled, memerr, try to output to prevent delayed ACK to happen */
#if LWIP_WND_SCALE
#define TF_WND_SCALE 0x0100U /* Window Scale option enabled */
#endif
#if TCP_LISTEN_BACKLOG
#define TF_BACKLOGPEND 0x0200U /* If this is set, a connection pcb has increased the backlog on its listener */
#endif
/* the rest of the fields are in host byte order
as we have to do some math with them */
/* Timers */
u8_t polltmr, pollinterval;
u8_t last_timer;
u32_t tmr;
/* receiver variables */
u32_t rcv_nxt; /* next seqno expected */
tcpwnd_size_t rcv_wnd; /* receiver window available */
tcpwnd_size_t rcv_ann_wnd; /* receiver window to announce */
u32_t rcv_ann_right_edge; /* announced right edge of window */
/* Retransmission timer. */
s16_t rtime;
u16_t mss; /* maximum segment size */
/* RTT (round trip time) estimation variables */
u32_t rttest; /* RTT estimate in 500ms ticks */
u32_t rtseq; /* sequence number being timed */
s16_t sa, sv; /* @todo document this */
s16_t rto; /* retransmission time-out */
u8_t nrtx; /* number of retransmissions */
/* fast retransmit/recovery */
u8_t dupacks;
u32_t lastack; /* Highest acknowledged seqno. */
#if ESP_PER_SOC_TCP_WND
tcpwnd_size_t per_soc_tcp_wnd; /* per tcp socket tcp window size */
tcpwnd_size_t per_soc_tcp_snd_buf; /* per tcp socket tcp send buffer size */
#endif
/* congestion avoidance/control variables */
tcpwnd_size_t cwnd;
tcpwnd_size_t ssthresh;
/* sender variables */
u32_t snd_nxt; /* next new seqno to be sent */
u32_t snd_wl1, snd_wl2; /* Sequence and acknowledgement numbers of last
window update. */
u32_t snd_lbb; /* Sequence number of next byte to be buffered. */
tcpwnd_size_t snd_wnd; /* sender window */
tcpwnd_size_t snd_wnd_max; /* the maximum sender window announced by the remote host */
tcpwnd_size_t acked;
tcpwnd_size_t snd_buf; /* Available buffer space for sending (in bytes). */
#define TCP_SNDQUEUELEN_OVERFLOW (0xffffU-3)
u16_t snd_queuelen; /* Number of pbufs currently in the send buffer. */
#if TCP_OVERSIZE
/* Extra bytes available at the end of the last pbuf in unsent. */
u16_t unsent_oversize;
#endif /* TCP_OVERSIZE */
/* These are ordered by sequence number: */
struct tcp_seg *unsent; /* Unsent (queued) segments. */
struct tcp_seg *unacked; /* Sent but unacknowledged segments. */
#if TCP_QUEUE_OOSEQ
struct tcp_seg *ooseq; /* Received out of sequence segments. */
#endif /* TCP_QUEUE_OOSEQ */
struct pbuf *refused_data; /* Data previously received but not yet taken by upper layer */
#if LWIP_CALLBACK_API
/* Function to be called when more send buffer space is available. */
tcp_sent_fn sent;
/* Function to be called when (in-sequence) data has arrived. */
tcp_recv_fn recv;
/* Function to be called when a connection has been set up. */
tcp_connected_fn connected;
/* Function which is called periodically. */
tcp_poll_fn poll;
/* Function to be called whenever a fatal error occurs. */
tcp_err_fn errf;
#endif /* LWIP_CALLBACK_API */
#if LWIP_TCP_TIMESTAMPS
u32_t ts_lastacksent;
u32_t ts_recent;
#endif /* LWIP_TCP_TIMESTAMPS */
/* idle time before KEEPALIVE is sent */
u32_t keep_idle;
#if LWIP_TCP_KEEPALIVE
u32_t keep_intvl;
u32_t keep_cnt;
#endif /* LWIP_TCP_KEEPALIVE */
/* Persist timer counter */
u8_t persist_cnt;
/* Persist timer back-off */
u8_t persist_backoff;
/* KEEPALIVE counter */
u8_t keep_cnt_sent;
#if LWIP_WND_SCALE
u8_t snd_scale;
u8_t rcv_scale;
#endif
#if TCP_LISTEN_BACKLOG
struct tcp_pcb_listen *listener;
#endif
#if ESP_STATS_TCP
#define ESP_STATS_TCP_ARRAY_SIZE 20
u16_t retry_cnt[TCP_MAXRTX];
u16_t rto_cnt[ESP_STATS_TCP_ARRAY_SIZE];
#endif
};
#if ESP_STATS_TCP
#define ESP_STATS_TCP_PCB(_pcb) do {\
if ((_pcb)->unacked) {\
(_pcb)->retry_cnt[(_pcb)->nrtx]++;\
if ((_pcb)->rto < ESP_STATS_TCP_ARRAY_SIZE) {\
(_pcb)->rto_cnt[(_pcb)->rto]++;\
} else {\
(_pcb)->rto_cnt[ESP_STATS_TCP_ARRAY_SIZE-1] ++;\
}\
}\
} while(0)
#else
#define ESP_STATS_TCP_PCB(pcb)
#endif
struct tcp_pcb_listen {
/* Common members of all PCB types */
IP_PCB;
/* Protocol specific PCB members */
TCP_PCB_COMMON(struct tcp_pcb_listen);
#if TCP_LISTEN_BACKLOG
u8_t backlog;
u8_t accepts_pending;
#endif /* TCP_LISTEN_BACKLOG */
};
#if LWIP_EVENT_API
enum lwip_event {
LWIP_EVENT_ACCEPT,
LWIP_EVENT_SENT,
LWIP_EVENT_RECV,
LWIP_EVENT_CONNECTED,
LWIP_EVENT_POLL,
LWIP_EVENT_ERR
};
err_t lwip_tcp_event(void *arg, struct tcp_pcb *pcb,
enum lwip_event,
struct pbuf *p,
u16_t size,
err_t err);
#endif /* LWIP_EVENT_API */
/* Application program's interface: */
struct tcp_pcb * tcp_new (void);
struct tcp_pcb * tcp_new_ip_type (u8_t type);
void tcp_arg (struct tcp_pcb *pcb, void *arg);
void tcp_accept (struct tcp_pcb *pcb, tcp_accept_fn accept);
void tcp_recv (struct tcp_pcb *pcb, tcp_recv_fn recv);
void tcp_sent (struct tcp_pcb *pcb, tcp_sent_fn sent);
void tcp_poll (struct tcp_pcb *pcb, tcp_poll_fn poll, u8_t interval);
void tcp_err (struct tcp_pcb *pcb, tcp_err_fn err);
#define tcp_mss(pcb) (((pcb)->flags & TF_TIMESTAMP) ? ((pcb)->mss - 12) : (pcb)->mss)
#define tcp_sndbuf(pcb) (TCPWND16((pcb)->snd_buf))
#define tcp_sndqueuelen(pcb) ((pcb)->snd_queuelen)
#define tcp_nagle_disable(pcb) ((pcb)->flags |= TF_NODELAY)
#define tcp_nagle_enable(pcb) ((pcb)->flags = (tcpflags_t)((pcb)->flags & ~TF_NODELAY))
#define tcp_nagle_disabled(pcb) (((pcb)->flags & TF_NODELAY) != 0)
#if TCP_LISTEN_BACKLOG
#define tcp_backlog_set(pcb, new_backlog) do { \
LWIP_ASSERT("pcb->state == LISTEN (called for wrong pcb?)", (pcb)->state == LISTEN); \
((struct tcp_pcb_listen *)(pcb))->backlog = ((new_backlog) ? (new_backlog) : 1); } while(0)
void tcp_backlog_delayed(struct tcp_pcb* pcb);
void tcp_backlog_accepted(struct tcp_pcb* pcb);
#else /* TCP_LISTEN_BACKLOG */
#define tcp_backlog_set(pcb, new_backlog)
#define tcp_backlog_delayed(pcb)
#define tcp_backlog_accepted(pcb)
#endif /* TCP_LISTEN_BACKLOG */
#define tcp_accepted(pcb) do { LWIP_UNUSED_ARG(pcb); } while(0) /* compatibility define, not needed any more */
void tcp_recved (struct tcp_pcb *pcb, u16_t len);
err_t tcp_bind (struct tcp_pcb *pcb, const ip_addr_t *ipaddr,
u16_t port);
err_t tcp_connect (struct tcp_pcb *pcb, const ip_addr_t *ipaddr,
u16_t port, tcp_connected_fn connected);
struct tcp_pcb * tcp_listen_with_backlog(struct tcp_pcb *pcb, u8_t backlog);
#define tcp_listen(pcb) tcp_listen_with_backlog(pcb, TCP_DEFAULT_LISTEN_BACKLOG)
void tcp_abort (struct tcp_pcb *pcb);
err_t tcp_close (struct tcp_pcb *pcb);
err_t tcp_shutdown(struct tcp_pcb *pcb, int shut_rx, int shut_tx);
/* Flags for "apiflags" parameter in tcp_write */
#define TCP_WRITE_FLAG_COPY 0x01
#define TCP_WRITE_FLAG_MORE 0x02
err_t tcp_write (struct tcp_pcb *pcb, const void *dataptr, u16_t len,
u8_t apiflags);
void tcp_setprio (struct tcp_pcb *pcb, u8_t prio);
#define TCP_PRIO_MIN 1
#define TCP_PRIO_NORMAL 64
#define TCP_PRIO_MAX 127
err_t tcp_output (struct tcp_pcb *pcb);
const char* tcp_debug_state_str(enum tcp_state s);
/* for compatibility with older implementation */
#define tcp_new_ip6() tcp_new_ip_type(IPADDR_TYPE_V6)
#if ESP_PER_SOC_TCP_WND
#define PER_SOC_WND(pcb) (pcb->per_soc_wnd)
#endif
#ifdef __cplusplus
}
#endif
#endif /* LWIP_TCP */
#endif /* LWIP_HDR_TCP_H */

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/*
* Copyright (c) 2001-2004 Swedish Institute of Computer Science.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* This file is part of the lwIP TCP/IP stack.
*
* Author: Adam Dunkels <adam@sics.se>
*
*/
#ifndef LWIP_HDR_TCPIP_H
#define LWIP_HDR_TCPIP_H
#include "lwip/opt.h"
#if !NO_SYS /* don't build if not configured for use in lwipopts.h */
#include "lwip/err.h"
#include "lwip/timers.h"
#include "lwip/netif.h"
#ifdef __cplusplus
extern "C" {
#endif
struct pbuf;
struct netif;
/** Function prototype for the init_done function passed to tcpip_init */
typedef void (*tcpip_init_done_fn)(void *arg);
/** Function prototype for functions passed to tcpip_callback() */
typedef void (*tcpip_callback_fn)(void *ctx);
/* Forward declarations */
struct tcpip_callback_msg;
void tcpip_init(tcpip_init_done_fn tcpip_init_done, void *arg);
err_t tcpip_inpkt(struct pbuf *p, struct netif *inp, netif_input_fn input_fn);
err_t tcpip_input(struct pbuf *p, struct netif *inp);
err_t tcpip_callback_with_block(tcpip_callback_fn function, void *ctx, u8_t block);
#define tcpip_callback(f, ctx) tcpip_callback_with_block(f, ctx, 1)
struct tcpip_callback_msg* tcpip_callbackmsg_new(tcpip_callback_fn function, void *ctx);
void tcpip_callbackmsg_delete(struct tcpip_callback_msg* msg);
err_t tcpip_trycallback(struct tcpip_callback_msg* msg);
/* free pbufs or heap memory from another context without blocking */
err_t pbuf_free_callback(struct pbuf *p);
err_t mem_free_callback(void *m);
#if LWIP_TCPIP_TIMEOUT
err_t tcpip_timeout(u32_t msecs, sys_timeout_handler h, void *arg);
err_t tcpip_untimeout(sys_timeout_handler h, void *arg);
#endif /* LWIP_TCPIP_TIMEOUT */
#ifdef __cplusplus
}
#endif
#endif /* !NO_SYS */
#endif /* LWIP_HDR_TCPIP_H */

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/*
* Copyright (c) 2001-2004 Swedish Institute of Computer Science.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* This file is part of the lwIP TCP/IP stack.
*
* Author: Adam Dunkels <adam@sics.se>
* Simon Goldschmidt
*
*/
#ifndef LWIP_HDR_TIMERS_H
#define LWIP_HDR_TIMERS_H
#include "lwip/opt.h"
#include "lwip/err.h"
#if !NO_SYS
#include "lwip/sys.h"
#endif
#ifdef __cplusplus
extern "C" {
#endif
#ifndef LWIP_DEBUG_TIMERNAMES
#ifdef LWIP_DEBUG
#define LWIP_DEBUG_TIMERNAMES SYS_DEBUG
#else /* LWIP_DEBUG */
#define LWIP_DEBUG_TIMERNAMES 0
#endif /* LWIP_DEBUG*/
#endif
/** Function prototype for a stack-internal timer function that has to be
* called at a defined interval */
typedef void (* lwip_cyclic_timer_handler)(void);
/** This struct contains information about a stack-internal timer function
* that has to be called at a defined interval */
struct lwip_cyclic_timer {
u32_t interval_ms;
lwip_cyclic_timer_handler handler;
#if LWIP_DEBUG_TIMERNAMES
const char* handler_name;
#endif /* LWIP_DEBUG_TIMERNAMES */
};
/** This array contains all stack-internal cyclic timers. To get the number of
* timers, use LWIP_ARRAYSIZE() */
extern const struct lwip_cyclic_timer lwip_cyclic_timers[];
#if LWIP_TIMERS
/** Function prototype for a timeout callback function. Register such a function
* using sys_timeout().
*
* @param arg Additional argument to pass to the function - set up by sys_timeout()
*/
typedef void (* sys_timeout_handler)(void *arg);
struct sys_timeo {
struct sys_timeo *next;
u32_t time;
sys_timeout_handler h;
void *arg;
#if LWIP_DEBUG_TIMERNAMES
const char* handler_name;
#endif /* LWIP_DEBUG_TIMERNAMES */
};
void sys_timeouts_init(void);
#if LWIP_DEBUG_TIMERNAMES
void sys_timeout_debug(u32_t msecs, sys_timeout_handler handler, void *arg, const char* handler_name);
#define sys_timeout(msecs, handler, arg) sys_timeout_debug(msecs, handler, arg, #handler)
#else /* LWIP_DEBUG_TIMERNAMES */
void sys_timeout(u32_t msecs, sys_timeout_handler handler, void *arg);
#endif /* LWIP_DEBUG_TIMERNAMES */
void sys_untimeout(sys_timeout_handler handler, void *arg);
void sys_restart_timeouts(void);
#if NO_SYS
void sys_check_timeouts(void);
u32_t sys_timeouts_sleeptime(void);
#else /* NO_SYS */
void sys_timeouts_mbox_fetch(sys_mbox_t *mbox, void **msg);
#endif /* NO_SYS */
#endif /* LWIP_TIMERS */
#ifdef __cplusplus
}
#endif
#endif /* LWIP_HDR_TIMERS_H */

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/*
* Copyright (c) 2001-2004 Swedish Institute of Computer Science.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* This file is part of the lwIP TCP/IP stack.
*
* Author: Adam Dunkels <adam@sics.se>
*
*/
#ifndef LWIP_HDR_UDP_H
#define LWIP_HDR_UDP_H
#include "lwip/opt.h"
#if LWIP_UDP /* don't build if not configured for use in lwipopts.h */
#include "lwip/pbuf.h"
#include "lwip/netif.h"
#include "lwip/ip_addr.h"
#include "lwip/ip.h"
#include "lwip/ip6_addr.h"
#ifdef __cplusplus
extern "C" {
#endif
#define UDP_HLEN 8
/* Fields are (of course) in network byte order. */
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/bpstruct.h"
#endif
PACK_STRUCT_BEGIN
struct udp_hdr {
PACK_STRUCT_FIELD(u16_t src);
PACK_STRUCT_FIELD(u16_t dest); /* src/dest UDP ports */
PACK_STRUCT_FIELD(u16_t len);
PACK_STRUCT_FIELD(u16_t chksum);
} PACK_STRUCT_STRUCT;
PACK_STRUCT_END
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/epstruct.h"
#endif
#define UDP_FLAGS_NOCHKSUM 0x01U
#define UDP_FLAGS_UDPLITE 0x02U
#define UDP_FLAGS_CONNECTED 0x04U
#define UDP_FLAGS_MULTICAST_LOOP 0x08U
struct udp_pcb;
/** Function prototype for udp pcb receive callback functions
* addr and port are in same byte order as in the pcb
* The callback is responsible for freeing the pbuf
* if it's not used any more.
*
* ATTENTION: Be aware that 'addr' might point into the pbuf 'p' so freeing this pbuf
* can make 'addr' invalid, too.
*
* @param arg user supplied argument (udp_pcb.recv_arg)
* @param pcb the udp_pcb which received data
* @param p the packet buffer that was received
* @param addr the remote IP address from which the packet was received
* @param port the remote port from which the packet was received
*/
typedef void (*udp_recv_fn)(void *arg, struct udp_pcb *pcb, struct pbuf *p,
const ip_addr_t *addr, u16_t port);
struct udp_pcb {
/* Common members of all PCB types */
IP_PCB;
/* Protocol specific PCB members */
struct udp_pcb *next;
u8_t flags;
/** ports are in host byte order */
u16_t local_port, remote_port;
#if LWIP_MULTICAST_TX_OPTIONS
/** outgoing network interface for multicast packets */
ip_addr_t multicast_ip;
/** TTL for outgoing multicast packets */
u8_t mcast_ttl;
#endif /* LWIP_MULTICAST_TX_OPTIONS */
#if LWIP_UDPLITE
/** used for UDP_LITE only */
u16_t chksum_len_rx, chksum_len_tx;
#endif /* LWIP_UDPLITE */
/** receive callback function */
udp_recv_fn recv;
/** user-supplied argument for the recv callback */
void *recv_arg;
};
/* udp_pcbs export for external reference (e.g. SNMP agent) */
extern struct udp_pcb *udp_pcbs;
/* The following functions is the application layer interface to the
UDP code. */
struct udp_pcb * udp_new (void);
struct udp_pcb * udp_new_ip_type(u8_t type);
void udp_remove (struct udp_pcb *pcb);
err_t udp_bind (struct udp_pcb *pcb, const ip_addr_t *ipaddr,
u16_t port);
err_t udp_connect (struct udp_pcb *pcb, const ip_addr_t *ipaddr,
u16_t port);
void udp_disconnect (struct udp_pcb *pcb);
void udp_recv (struct udp_pcb *pcb, udp_recv_fn recv,
void *recv_arg);
err_t udp_sendto_if (struct udp_pcb *pcb, struct pbuf *p,
const ip_addr_t *dst_ip, u16_t dst_port,
struct netif *netif);
err_t udp_sendto_if_src(struct udp_pcb *pcb, struct pbuf *p,
const ip_addr_t *dst_ip, u16_t dst_port,
struct netif *netif, const ip_addr_t *src_ip);
err_t udp_sendto (struct udp_pcb *pcb, struct pbuf *p,
const ip_addr_t *dst_ip, u16_t dst_port);
err_t udp_send (struct udp_pcb *pcb, struct pbuf *p);
#if LWIP_CHECKSUM_ON_COPY && CHECKSUM_GEN_UDP
err_t udp_sendto_if_chksum(struct udp_pcb *pcb, struct pbuf *p,
const ip_addr_t *dst_ip, u16_t dst_port,
struct netif *netif, u8_t have_chksum,
u16_t chksum);
err_t udp_sendto_chksum(struct udp_pcb *pcb, struct pbuf *p,
const ip_addr_t *dst_ip, u16_t dst_port,
u8_t have_chksum, u16_t chksum);
err_t udp_send_chksum(struct udp_pcb *pcb, struct pbuf *p,
u8_t have_chksum, u16_t chksum);
err_t udp_sendto_if_src_chksum(struct udp_pcb *pcb, struct pbuf *p,
const ip_addr_t *dst_ip, u16_t dst_port, struct netif *netif,
u8_t have_chksum, u16_t chksum, const ip_addr_t *src_ip);
#endif /* LWIP_CHECKSUM_ON_COPY && CHECKSUM_GEN_UDP */
#define udp_flags(pcb) ((pcb)->flags)
#define udp_setflags(pcb, f) ((pcb)->flags = (f))
/* The following functions are the lower layer interface to UDP. */
void udp_input (struct pbuf *p, struct netif *inp);
void udp_init (void);
/* for compatibility with older implementation */
#define udp_new_ip6() udp_new_ip_type(IPADDR_TYPE_V6)
#if LWIP_MULTICAST_TX_OPTIONS
#define udp_set_multicast_netif_addr(pcb, ip4addr) ip_addr_copy_from_ip4((pcb)->multicast_ip, *(ip4addr))
#define udp_get_multicast_netif_addr(pcb) ip_2_ip4(&(pcb)->multicast_ip)
#define udp_set_multicast_ttl(pcb, value) do { (pcb)->mcast_ttl = value; } while(0)
#define udp_get_multicast_ttl(pcb) ((pcb)->mcast_ttl)
#if LWIP_IPV6_MLD
#define udp_set_multicast_netif_ip6addr(pcb, ip6addr) ip_addr_copy_from_ip6((pcb)->multicast_ip, *(ip6addr))
#define udp_get_multicast_netif_ip6addr(pcb) ip_2_ip6(&(pcb)->multicast_ip)
#endif
#endif /* LWIP_MULTICAST_TX_OPTIONS */
#if UDP_DEBUG
void udp_debug_print(struct udp_hdr *udphdr);
#else
#define udp_debug_print(udphdr)
#endif
#if LWIP_IPV4
void udp_netif_ipv4_addr_changed(const ip4_addr_t* old_addr, const ip4_addr_t* new_addr);
#endif /* LWIP_IPV4 */
#ifdef __cplusplus
}
#endif
#endif /* LWIP_UDP */
#endif /* LWIP_HDR_UDP_H */

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/*
* Copyright (c) 2001-2003 Swedish Institute of Computer Science.
* Copyright (c) 2003-2004 Leon Woestenberg <leon.woestenberg@axon.tv>
* Copyright (c) 2003-2004 Axon Digital Design B.V., The Netherlands.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* This file is part of the lwIP TCP/IP stack.
*
* Author: Adam Dunkels <adam@sics.se>
*
*/
#ifndef LWIP_HDR_NETIF_ETHARP_H
#define LWIP_HDR_NETIF_ETHARP_H
#include "lwip/opt.h"
#if LWIP_ARP || LWIP_ETHERNET /* don't build if not configured for use in lwipopts.h */
#include "lwip/pbuf.h"
#include "lwip/ip4_addr.h"
#include "lwip/netif.h"
#include "lwip/ip4.h"
#include "netif/ethernet.h"
#ifdef __cplusplus
extern "C" {
#endif
#if LWIP_IPV4 && LWIP_ARP /* don't build if not configured for use in lwipopts.h */
#ifndef ETHARP_HWADDR_LEN
#define ETHARP_HWADDR_LEN ETH_HWADDR_LEN
#endif
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/bpstruct.h"
#endif
PACK_STRUCT_BEGIN
/** the ARP message, see RFC 826 ("Packet format") */
struct etharp_hdr {
PACK_STRUCT_FIELD(u16_t hwtype);
PACK_STRUCT_FIELD(u16_t proto);
PACK_STRUCT_FLD_8(u8_t hwlen);
PACK_STRUCT_FLD_8(u8_t protolen);
PACK_STRUCT_FIELD(u16_t opcode);
PACK_STRUCT_FLD_S(struct eth_addr shwaddr);
PACK_STRUCT_FLD_S(struct ip4_addr2 sipaddr);
PACK_STRUCT_FLD_S(struct eth_addr dhwaddr);
PACK_STRUCT_FLD_S(struct ip4_addr2 dipaddr);
} PACK_STRUCT_STRUCT;
PACK_STRUCT_END
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/epstruct.h"
#endif
#define SIZEOF_ETHARP_HDR 28
#define SIZEOF_ETHARP_PACKET (SIZEOF_ETH_HDR + SIZEOF_ETHARP_HDR)
#if ETHARP_SUPPORT_VLAN && defined(LWIP_HOOK_VLAN_SET)
#define SIZEOF_ETHARP_PACKET_TX (SIZEOF_ETHARP_PACKET + SIZEOF_VLAN_HDR)
#else /* ETHARP_SUPPORT_VLAN && defined(LWIP_HOOK_VLAN_SET) */
#define SIZEOF_ETHARP_PACKET_TX SIZEOF_ETHARP_PACKET
#endif /* ETHARP_SUPPORT_VLAN && defined(LWIP_HOOK_VLAN_SET) */
/** 1 seconds period */
#define ARP_TMR_INTERVAL 1000
/** ARP message types (opcodes) */
#define ARP_REQUEST 1
#define ARP_REPLY 2
#if ARP_QUEUEING
/** struct for queueing outgoing packets for unknown address
* defined here to be accessed by memp.h
*/
struct etharp_q_entry {
struct etharp_q_entry *next;
struct pbuf *p;
};
#endif /* ARP_QUEUEING */
#define etharp_init() /* Compatibility define, no init needed. */
void etharp_tmr(void);
s8_t etharp_find_addr(struct netif *netif, const ip4_addr_t *ipaddr,
struct eth_addr **eth_ret, const ip4_addr_t **ip_ret);
u8_t etharp_get_entry(u8_t i, ip4_addr_t **ipaddr, struct netif **netif, struct eth_addr **eth_ret);
err_t etharp_output(struct netif *netif, struct pbuf *q, const ip4_addr_t *ipaddr);
err_t etharp_query(struct netif *netif, const ip4_addr_t *ipaddr, struct pbuf *q);
err_t etharp_request(struct netif *netif, const ip4_addr_t *ipaddr);
/** For Ethernet network interfaces, we might want to send "gratuitous ARP";
* this is an ARP packet sent by a node in order to spontaneously cause other
* nodes to update an entry in their ARP cache.
* From RFC 3220 "IP Mobility Support for IPv4" section 4.6. */
#define etharp_gratuitous(netif) etharp_request((netif), netif_ip4_addr(netif))
void etharp_cleanup_netif(struct netif *netif);
#if ETHARP_SUPPORT_STATIC_ENTRIES
err_t etharp_add_static_entry(const ip4_addr_t *ipaddr, struct eth_addr *ethaddr);
err_t etharp_remove_static_entry(const ip4_addr_t *ipaddr);
#endif /* ETHARP_SUPPORT_STATIC_ENTRIES */
#if LWIP_AUTOIP
err_t etharp_raw(struct netif *netif, const struct eth_addr *ethsrc_addr,
const struct eth_addr *ethdst_addr,
const struct eth_addr *hwsrc_addr, const ip4_addr_t *ipsrc_addr,
const struct eth_addr *hwdst_addr, const ip4_addr_t *ipdst_addr,
const u16_t opcode);
#endif /* LWIP_AUTOIP */
#endif /* LWIP_IPV4 && LWIP_ARP */
void etharp_arp_input(struct netif *netif, struct eth_addr *ethaddr, struct pbuf *p);
#if ETHARP_TRUST_IP_MAC
void etharp_ip_input(struct netif *netif, struct pbuf *p);
#endif
#ifdef __cplusplus
}
#endif
#endif /* LWIP_ARP || LWIP_ETHERNET */
#endif /* LWIP_HDR_NETIF_ETHARP_H */

171
components/lwip/include/lwip/netif/ethernet.h
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@@ -1,171 +0,0 @@
/*
* Copyright (c) 2001-2003 Swedish Institute of Computer Science.
* Copyright (c) 2003-2004 Leon Woestenberg <leon.woestenberg@axon.tv>
* Copyright (c) 2003-2004 Axon Digital Design B.V., The Netherlands.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* This file is part of the lwIP TCP/IP stack.
*
* Author: Adam Dunkels <adam@sics.se>
*
*/
#ifndef LWIP_HDR_NETIF_ETHERNET_H
#define LWIP_HDR_NETIF_ETHERNET_H
#include "lwip/opt.h"
#include "lwip/pbuf.h"
#include "lwip/netif.h"
#ifdef __cplusplus
extern "C" {
#endif
#ifndef ETH_HWADDR_LEN
#ifdef ETHARP_HWADDR_LEN
#define ETH_HWADDR_LEN ETHARP_HWADDR_LEN /* compatibility mode */
#else
#define ETH_HWADDR_LEN 6
#endif
#endif
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/bpstruct.h"
#endif
PACK_STRUCT_BEGIN
struct eth_addr {
PACK_STRUCT_FLD_8(u8_t addr[ETH_HWADDR_LEN]);
} PACK_STRUCT_STRUCT;
PACK_STRUCT_END
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/epstruct.h"
#endif
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/bpstruct.h"
#endif
PACK_STRUCT_BEGIN
/** Ethernet header */
struct eth_hdr {
#if ETH_PAD_SIZE
PACK_STRUCT_FLD_8(u8_t padding[ETH_PAD_SIZE]);
#endif
PACK_STRUCT_FLD_S(struct eth_addr dest);
PACK_STRUCT_FLD_S(struct eth_addr src);
PACK_STRUCT_FIELD(u16_t type);
} PACK_STRUCT_STRUCT;
PACK_STRUCT_END
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/epstruct.h"
#endif
#define SIZEOF_ETH_HDR (14 + ETH_PAD_SIZE)
#if ETHARP_SUPPORT_VLAN
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/bpstruct.h"
#endif
PACK_STRUCT_BEGIN
/** VLAN header inserted between ethernet header and payload
* if 'type' in ethernet header is ETHTYPE_VLAN.
* See IEEE802.Q */
struct eth_vlan_hdr {
PACK_STRUCT_FIELD(u16_t prio_vid);
PACK_STRUCT_FIELD(u16_t tpid);
} PACK_STRUCT_STRUCT;
PACK_STRUCT_END
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/epstruct.h"
#endif
#define SIZEOF_VLAN_HDR 4
#define VLAN_ID(vlan_hdr) (htons((vlan_hdr)->prio_vid) & 0xFFF)
#endif /* ETHARP_SUPPORT_VLAN */
/* A list of often ethtypes (although lwIP does not use all of them): */
#define ETHTYPE_IP 0x0800U /* Internet protocol v4 */
#define ETHTYPE_ARP 0x0806U /* Address resolution protocol */
#define ETHTYPE_WOL 0x0842U /* Wake on lan */
#define ETHTYPE_VLAN 0x8100U /* Virtual local area network */
#define ETHTYPE_IPV6 0x86DDU /* Internet protocol v6 */
#define ETHTYPE_PPPOEDISC 0x8863U /* PPP Over Ethernet Discovery Stage */
#define ETHTYPE_PPPOE 0x8864U /* PPP Over Ethernet Session Stage */
#define ETHTYPE_JUMBO 0x8870U /* Jumbo Frames */
#define ETHTYPE_PROFINET 0x8892U /* Process field network */
#define ETHTYPE_ETHERCAT 0x88A4U /* Ethernet for control automation technology */
#define ETHTYPE_LLDP 0x88CCU /* Link layer discovery protocol */
#define ETHTYPE_SERCOS 0x88CDU /* Serial real-time communication system */
#define ETHTYPE_PTP 0x88F7U /* Precision time protocol */
#define ETHTYPE_QINQ 0x9100U /* Q-in-Q, 802.1ad */
/** The 24-bit IANA IPv4-multicast OUI is 01-00-5e: */
#define LL_IP4_MULTICAST_ADDR_0 0x01
#define LL_IP4_MULTICAST_ADDR_1 0x00
#define LL_IP4_MULTICAST_ADDR_2 0x5e
/** IPv6 multicast uses this prefix */
#define LL_IP6_MULTICAST_ADDR_0 0x33
#define LL_IP6_MULTICAST_ADDR_1 0x33
/** MEMCPY-like macro to copy to/from struct eth_addr's that are local variables
* or known to be 32-bit aligned within the protocol header. */
#ifndef ETHADDR32_COPY
#define ETHADDR32_COPY(dst, src) SMEMCPY(dst, src, ETH_HWADDR_LEN)
#endif
/** MEMCPY-like macro to copy to/from struct eth_addr's that are no local
* variables and known to be 16-bit aligned within the protocol header. */
#ifndef ETHADDR16_COPY
#define ETHADDR16_COPY(dst, src) SMEMCPY(dst, src, ETH_HWADDR_LEN)
#endif
#if LWIP_ARP || LWIP_ETHERNET
/** Define this to 1 and define LWIP_ARP_FILTER_NETIF_FN(pbuf, netif, type)
* to a filter function that returns the correct netif when using multiple
* netifs on one hardware interface where the netif's low-level receive
* routine cannot decide for the correct netif (e.g. when mapping multiple
* IP addresses to one hardware interface).
*/
#ifndef LWIP_ARP_FILTER_NETIF
#define LWIP_ARP_FILTER_NETIF 0
#endif
err_t ethernet_input(struct pbuf *p, struct netif *netif);
#define eth_addr_cmp(addr1, addr2) (memcmp((addr1)->addr, (addr2)->addr, ETH_HWADDR_LEN) == 0)
extern const struct eth_addr ethbroadcast, ethzero;
#endif /* LWIP_ARP || LWIP_ETHERNET */
#ifdef __cplusplus
}
#endif
#endif /* LWIP_HDR_NETIF_ETHERNET_H */

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components/lwip/include/lwip/netif/lowpan6.h
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@@ -1,84 +0,0 @@
/**
* @file
*
* 6LowPAN output for IPv6. Uses ND tables for link-layer addressing. Fragments packets to 6LowPAN units.
*/
/*
* Copyright (c) 2015 Inico Technologies Ltd.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* This file is part of the lwIP TCP/IP stack.
*
* Author: Ivan Delamer <delamer@inicotech.com>
*
*
* Please coordinate changes and requests with Ivan Delamer
* <delamer@inicotech.com>
*/
#ifndef LWIP_HDR_LOWPAN6_H
#define LWIP_HDR_LOWPAN6_H
#include "netif/lowpan6_opts.h"
#if LWIP_IPV6 && LWIP_6LOWPAN /* don't build if not configured for use in lwipopts.h */
#include "lwip/pbuf.h"
#include "lwip/ip.h"
#include "lwip/ip_addr.h"
#include "lwip/netif.h"
#ifdef __cplusplus
extern "C" {
#endif
/** 1 second period */
#define LOWPAN6_TMR_INTERVAL 1000
void lowpan6_tmr(void);
err_t lowpan6_set_context(u8_t index, const ip6_addr_t * context);
err_t lowpan6_set_short_addr(u8_t addr_high, u8_t addr_low);
#if LWIP_IPV4
err_t lowpan4_output(struct netif *netif, struct pbuf *q, const ip4_addr_t *ipaddr);
#endif /* LWIP_IPV4 */
err_t lowpan6_output(struct netif *netif, struct pbuf *q, const ip6_addr_t *ip6addr);
err_t lowpan6_input(struct pbuf * p, struct netif *netif);
err_t lowpan6_if_init(struct netif *netif);
/* pan_id in network byte order. */
err_t lowpan6_set_pan_id(u16_t pan_id);
err_t tcpip_6lowpan_input(struct pbuf *p, struct netif *inp);
#ifdef __cplusplus
}
#endif
#endif /* LWIP_IPV6 && LWIP_6LOWPAN */
#endif /* LWIP_HDR_LOWPAN6_H */

65
components/lwip/include/lwip/netif/lowpan6_opts.h
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/*
* Copyright (c) 2015 Inico Technologies Ltd.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* This file is part of the lwIP TCP/IP stack.
*
* Author: Ivan Delamer <delamer@inicotech.com>
*
*
* Please coordinate changes and requests with Ivan Delamer
* <delamer@inicotech.com>
*/
#ifndef LWIP_HDR_LOWPAN6_OPTS_H
#define LWIP_HDR_LOWPAN6_OPTS_H
#include "lwip/opt.h"
#ifndef LWIP_6LOWPAN
#define LWIP_6LOWPAN 0
#endif
#ifndef LWIP_6LOWPAN_NUM_CONTEXTS
#define LWIP_6LOWPAN_NUM_CONTEXTS 10
#endif
#ifndef LWIP_6LOWPAN_INFER_SHORT_ADDRESS
#define LWIP_6LOWPAN_INFER_SHORT_ADDRESS 1
#endif
#ifndef LWIP_6LOWPAN_IPHC
#define LWIP_6LOWPAN_IPHC 1
#endif
#ifndef LWIP_6LOWPAN_HW_CRC
#define LWIP_6LOWPAN_HW_CRC 1
#endif
#ifndef LOWPAN6_DEBUG
#define LOWPAN6_DEBUG LWIP_DBG_OFF
#endif
#endif /* LWIP_HDR_LOWPAN6_OPTS_H */

156
components/lwip/include/lwip/netif/ppp/ccp.h
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/*
* ccp.h - Definitions for PPP Compression Control Protocol.
*
* Copyright (c) 1994-2002 Paul Mackerras. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. The name(s) of the authors of this software must not be used to
* endorse or promote products derived from this software without
* prior written permission.
*
* 3. Redistributions of any form whatsoever must retain the following
* acknowledgment:
* "This product includes software developed by Paul Mackerras
* <paulus@samba.org>".
*
* THE AUTHORS OF THIS SOFTWARE DISCLAIM ALL WARRANTIES WITH REGARD TO
* THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
* AND FITNESS, IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY
* SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
* AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
* $Id: ccp.h,v 1.12 2004/11/04 10:02:26 paulus Exp $
*/
#include "lwip/opt.h"
#if PPP_SUPPORT && CCP_SUPPORT /* don't build if not configured for use in lwipopts.h */
#ifndef CCP_H
#define CCP_H
/*
* CCP codes.
*/
#define CCP_CONFREQ 1
#define CCP_CONFACK 2
#define CCP_TERMREQ 5
#define CCP_TERMACK 6
#define CCP_RESETREQ 14
#define CCP_RESETACK 15
/*
* Max # bytes for a CCP option
*/
#define CCP_MAX_OPTION_LENGTH 32
/*
* Parts of a CCP packet.
*/
#define CCP_CODE(dp) ((dp)[0])
#define CCP_ID(dp) ((dp)[1])
#define CCP_LENGTH(dp) (((dp)[2] << 8) + (dp)[3])
#define CCP_HDRLEN 4
#define CCP_OPT_CODE(dp) ((dp)[0])
#define CCP_OPT_LENGTH(dp) ((dp)[1])
#define CCP_OPT_MINLEN 2
#if BSDCOMPRESS_SUPPORT
/*
* Definitions for BSD-Compress.
*/
#define CI_BSD_COMPRESS 21 /* config. option for BSD-Compress */
#define CILEN_BSD_COMPRESS 3 /* length of config. option */
/* Macros for handling the 3rd byte of the BSD-Compress config option. */
#define BSD_NBITS(x) ((x) & 0x1F) /* number of bits requested */
#define BSD_VERSION(x) ((x) >> 5) /* version of option format */
#define BSD_CURRENT_VERSION 1 /* current version number */
#define BSD_MAKE_OPT(v, n) (((v) << 5) | (n))
#define BSD_MIN_BITS 9 /* smallest code size supported */
#define BSD_MAX_BITS 15 /* largest code size supported */
#endif /* BSDCOMPRESS_SUPPORT */
#if DEFLATE_SUPPORT
/*
* Definitions for Deflate.
*/
#define CI_DEFLATE 26 /* config option for Deflate */
#define CI_DEFLATE_DRAFT 24 /* value used in original draft RFC */
#define CILEN_DEFLATE 4 /* length of its config option */
#define DEFLATE_MIN_SIZE 9
#define DEFLATE_MAX_SIZE 15
#define DEFLATE_METHOD_VAL 8
#define DEFLATE_SIZE(x) (((x) >> 4) + 8)
#define DEFLATE_METHOD(x) ((x) & 0x0F)
#define DEFLATE_MAKE_OPT(w) ((((w) - 8) << 4) + DEFLATE_METHOD_VAL)
#define DEFLATE_CHK_SEQUENCE 0
#endif /* DEFLATE_SUPPORT */
#if MPPE_SUPPORT
/*
* Definitions for MPPE.
*/
#define CI_MPPE 18 /* config option for MPPE */
#define CILEN_MPPE 6 /* length of config option */
#endif /* MPPE_SUPPORT */
#if PREDICTOR_SUPPORT
/*
* Definitions for other, as yet unsupported, compression methods.
*/
#define CI_PREDICTOR_1 1 /* config option for Predictor-1 */
#define CILEN_PREDICTOR_1 2 /* length of its config option */
#define CI_PREDICTOR_2 2 /* config option for Predictor-2 */
#define CILEN_PREDICTOR_2 2 /* length of its config option */
#endif /* PREDICTOR_SUPPORT */
typedef struct ccp_options {
#if DEFLATE_SUPPORT
unsigned int deflate :1; /* do Deflate? */
unsigned int deflate_correct :1; /* use correct code for deflate? */
unsigned int deflate_draft :1; /* use draft RFC code for deflate? */
#endif /* DEFLATE_SUPPORT */
#if BSDCOMPRESS_SUPPORT
unsigned int bsd_compress :1; /* do BSD Compress? */
#endif /* BSDCOMPRESS_SUPPORT */
#if PREDICTOR_SUPPORT
unsigned int predictor_1 :1; /* do Predictor-1? */
unsigned int predictor_2 :1; /* do Predictor-2? */
#endif /* PREDICTOR_SUPPORT */
#if MPPE_SUPPORT
u8_t mppe; /* MPPE bitfield */
#endif /* MPPE_SUPPORT */
#if BSDCOMPRESS_SUPPORT
u_short bsd_bits; /* # bits/code for BSD Compress */
#endif /* BSDCOMPRESS_SUPPORT */
#if DEFLATE_SUPPORT
u_short deflate_size; /* lg(window size) for Deflate */
#endif /* DEFLATE_SUPPORT */
u8_t method; /* code for chosen compression method */
} ccp_options;
extern const struct protent ccp_protent;
void ccp_resetrequest(ppp_pcb *pcb); /* Issue a reset-request. */
#endif /* CCP_H */
#endif /* PPP_SUPPORT && CCP_SUPPORT */

36
components/lwip/include/lwip/netif/ppp/chap-md5.h
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/*
* chap-md5.h - New CHAP/MD5 implementation.
*
* Copyright (c) 2003 Paul Mackerras. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. The name(s) of the authors of this software must not be used to
* endorse or promote products derived from this software without
* prior written permission.
*
* 3. Redistributions of any form whatsoever must retain the following
* acknowledgment:
* "This product includes software developed by Paul Mackerras
* <paulus@samba.org>".
*
* THE AUTHORS OF THIS SOFTWARE DISCLAIM ALL WARRANTIES WITH REGARD TO
* THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
* AND FITNESS, IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY
* SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
* AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include "lwip/opt.h"
#if PPP_SUPPORT && CHAP_SUPPORT /* don't build if not configured for use in lwipopts.h */
extern const struct chap_digest_type md5_digest;
#endif /* PPP_SUPPORT && CHAP_SUPPORT */

192
components/lwip/include/lwip/netif/ppp/chap-new.h
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/*
* chap-new.c - New CHAP implementation.
*
* Copyright (c) 2003 Paul Mackerras. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. The name(s) of the authors of this software must not be used to
* endorse or promote products derived from this software without
* prior written permission.
*
* 3. Redistributions of any form whatsoever must retain the following
* acknowledgment:
* "This product includes software developed by Paul Mackerras
* <paulus@samba.org>".
*
* THE AUTHORS OF THIS SOFTWARE DISCLAIM ALL WARRANTIES WITH REGARD TO
* THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
* AND FITNESS, IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY
* SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
* AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include "lwip/opt.h"
#if PPP_SUPPORT && CHAP_SUPPORT /* don't build if not configured for use in lwipopts.h */
#ifndef CHAP_H
#define CHAP_H
#include "ppp.h"
/*
* CHAP packets begin with a standard header with code, id, len (2 bytes).
*/
#define CHAP_HDRLEN 4
/*
* Values for the code field.
*/
#define CHAP_CHALLENGE 1
#define CHAP_RESPONSE 2
#define CHAP_SUCCESS 3
#define CHAP_FAILURE 4
/*
* CHAP digest codes.
*/
#define CHAP_MD5 5
#if MSCHAP_SUPPORT
#define CHAP_MICROSOFT 0x80
#define CHAP_MICROSOFT_V2 0x81
#endif /* MSCHAP_SUPPORT */
/*
* Semi-arbitrary limits on challenge and response fields.
*/
#define MAX_CHALLENGE_LEN 64
#define MAX_RESPONSE_LEN 64
/*
* These limits apply to challenge and response packets we send.
* The +4 is the +1 that we actually need rounded up.
*/
#define CHAL_MAX_PKTLEN (PPP_HDRLEN + CHAP_HDRLEN + 4 + MAX_CHALLENGE_LEN + MAXNAMELEN)
#define RESP_MAX_PKTLEN (PPP_HDRLEN + CHAP_HDRLEN + 4 + MAX_RESPONSE_LEN + MAXNAMELEN)
/* bitmask of supported algorithms */
#if MSCHAP_SUPPORT
#define MDTYPE_MICROSOFT_V2 0x1
#define MDTYPE_MICROSOFT 0x2
#endif /* MSCHAP_SUPPORT */
#define MDTYPE_MD5 0x4
#define MDTYPE_NONE 0
#if MSCHAP_SUPPORT
/* Return the digest alg. ID for the most preferred digest type. */
#define CHAP_DIGEST(mdtype) \
((mdtype) & MDTYPE_MD5)? CHAP_MD5: \
((mdtype) & MDTYPE_MICROSOFT_V2)? CHAP_MICROSOFT_V2: \
((mdtype) & MDTYPE_MICROSOFT)? CHAP_MICROSOFT: \
0
#else /* !MSCHAP_SUPPORT */
#define CHAP_DIGEST(mdtype) \
((mdtype) & MDTYPE_MD5)? CHAP_MD5: \
0
#endif /* MSCHAP_SUPPORT */
/* Return the bit flag (lsb set) for our most preferred digest type. */
#define CHAP_MDTYPE(mdtype) ((mdtype) ^ ((mdtype) - 1)) & (mdtype)
/* Return the bit flag for a given digest algorithm ID. */
#if MSCHAP_SUPPORT
#define CHAP_MDTYPE_D(digest) \
((digest) == CHAP_MICROSOFT_V2)? MDTYPE_MICROSOFT_V2: \
((digest) == CHAP_MICROSOFT)? MDTYPE_MICROSOFT: \
((digest) == CHAP_MD5)? MDTYPE_MD5: \
0
#else /* !MSCHAP_SUPPORT */
#define CHAP_MDTYPE_D(digest) \
((digest) == CHAP_MD5)? MDTYPE_MD5: \
0
#endif /* MSCHAP_SUPPORT */
/* Can we do the requested digest? */
#if MSCHAP_SUPPORT
#define CHAP_CANDIGEST(mdtype, digest) \
((digest) == CHAP_MICROSOFT_V2)? (mdtype) & MDTYPE_MICROSOFT_V2: \
((digest) == CHAP_MICROSOFT)? (mdtype) & MDTYPE_MICROSOFT: \
((digest) == CHAP_MD5)? (mdtype) & MDTYPE_MD5: \
0
#else /* !MSCHAP_SUPPORT */
#define CHAP_CANDIGEST(mdtype, digest) \
((digest) == CHAP_MD5)? (mdtype) & MDTYPE_MD5: \
0
#endif /* MSCHAP_SUPPORT */
/*
* The code for each digest type has to supply one of these.
*/
struct chap_digest_type {
int code;
#if PPP_SERVER
/*
* Note: challenge and response arguments below are formatted as
* a length byte followed by the actual challenge/response data.
*/
void (*generate_challenge)(ppp_pcb *pcb, unsigned char *challenge);
int (*verify_response)(ppp_pcb *pcb, int id, const char *name,
const unsigned char *secret, int secret_len,
const unsigned char *challenge, const unsigned char *response,
char *message, int message_space);
#endif /* PPP_SERVER */
void (*make_response)(ppp_pcb *pcb, unsigned char *response, int id, const char *our_name,
const unsigned char *challenge, const char *secret, int secret_len,
unsigned char *priv);
int (*check_success)(ppp_pcb *pcb, unsigned char *pkt, int len, unsigned char *priv);
void (*handle_failure)(ppp_pcb *pcb, unsigned char *pkt, int len);
};
/*
* Each interface is described by chap structure.
*/
#if CHAP_SUPPORT
typedef struct chap_client_state {
u8_t flags;
const char *name;
const struct chap_digest_type *digest;
unsigned char priv[64]; /* private area for digest's use */
} chap_client_state;
#if PPP_SERVER
typedef struct chap_server_state {
u8_t flags;
u8_t id;
const char *name;
const struct chap_digest_type *digest;
int challenge_xmits;
int challenge_pktlen;
unsigned char challenge[CHAL_MAX_PKTLEN];
} chap_server_state;
#endif /* PPP_SERVER */
#endif /* CHAP_SUPPORT */
#if 0 /* UNUSED */
/* Hook for a plugin to validate CHAP challenge */
extern int (*chap_verify_hook)(char *name, char *ourname, int id,
const struct chap_digest_type *digest,
unsigned char *challenge, unsigned char *response,
char *message, int message_space);
#endif /* UNUSED */
#if PPP_SERVER
/* Called by authentication code to start authenticating the peer. */
extern void chap_auth_peer(ppp_pcb *pcb, const char *our_name, int digest_code);
#endif /* PPP_SERVER */
/* Called by auth. code to start authenticating us to the peer. */
extern void chap_auth_with_peer(ppp_pcb *pcb, const char *our_name, int digest_code);
/* Represents the CHAP protocol to the main pppd code */
extern const struct protent chap_protent;
#endif /* CHAP_H */
#endif /* PPP_SUPPORT && CHAP_SUPPORT */

44
components/lwip/include/lwip/netif/ppp/chap_ms.h
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@@ -1,44 +0,0 @@
/*
* chap_ms.h - Challenge Handshake Authentication Protocol definitions.
*
* Copyright (c) 1995 Eric Rosenquist. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The name(s) of the authors of this software must not be used to
* endorse or promote products derived from this software without
* prior written permission.
*
* THE AUTHORS OF THIS SOFTWARE DISCLAIM ALL WARRANTIES WITH REGARD TO
* THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
* AND FITNESS, IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY
* SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
* AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
* $Id: chap_ms.h,v 1.13 2004/11/15 22:13:26 paulus Exp $
*/
#include "lwip/opt.h"
#if PPP_SUPPORT && MSCHAP_SUPPORT /* don't build if not configured for use in lwipopts.h */
#ifndef __CHAPMS_INCLUDE__
extern const struct chap_digest_type chapms_digest;
extern const struct chap_digest_type chapms2_digest;
#define __CHAPMS_INCLUDE__
#endif /* __CHAPMS_INCLUDE__ */
#endif /* PPP_SUPPORT && MSCHAP_SUPPORT */

169
components/lwip/include/lwip/netif/ppp/eap.h
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@@ -1,169 +0,0 @@
/*
* eap.h - Extensible Authentication Protocol for PPP (RFC 2284)
*
* Copyright (c) 2001 by Sun Microsystems, Inc.
* All rights reserved.
*
* Non-exclusive rights to redistribute, modify, translate, and use
* this software in source and binary forms, in whole or in part, is
* hereby granted, provided that the above copyright notice is
* duplicated in any source form, and that neither the name of the
* copyright holder nor the author is used to endorse or promote
* products derived from this software.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
* WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
*
* Original version by James Carlson
*
* $Id: eap.h,v 1.2 2003/06/11 23:56:26 paulus Exp $
*/
#include "lwip/opt.h"
#if PPP_SUPPORT && EAP_SUPPORT /* don't build if not configured for use in lwipopts.h */
#ifndef PPP_EAP_H
#define PPP_EAP_H
#include "ppp.h"
#ifdef __cplusplus
extern "C" {
#endif
/*
* Packet header = Code, id, length.
*/
#define EAP_HEADERLEN 4
/* EAP message codes. */
#define EAP_REQUEST 1
#define EAP_RESPONSE 2
#define EAP_SUCCESS 3
#define EAP_FAILURE 4
/* EAP types */
#define EAPT_IDENTITY 1
#define EAPT_NOTIFICATION 2
#define EAPT_NAK 3 /* (response only) */
#define EAPT_MD5CHAP 4
#define EAPT_OTP 5 /* One-Time Password; RFC 1938 */
#define EAPT_TOKEN 6 /* Generic Token Card */
/* 7 and 8 are unassigned. */
#define EAPT_RSA 9 /* RSA Public Key Authentication */
#define EAPT_DSS 10 /* DSS Unilateral */
#define EAPT_KEA 11 /* KEA */
#define EAPT_KEA_VALIDATE 12 /* KEA-VALIDATE */
#define EAPT_TLS 13 /* EAP-TLS */
#define EAPT_DEFENDER 14 /* Defender Token (AXENT) */
#define EAPT_W2K 15 /* Windows 2000 EAP */
#define EAPT_ARCOT 16 /* Arcot Systems */
#define EAPT_CISCOWIRELESS 17 /* Cisco Wireless */
#define EAPT_NOKIACARD 18 /* Nokia IP smart card */
#define EAPT_SRP 19 /* Secure Remote Password */
/* 20 is deprecated */
/* EAP SRP-SHA1 Subtypes */
#define EAPSRP_CHALLENGE 1 /* Request 1 - Challenge */
#define EAPSRP_CKEY 1 /* Response 1 - Client Key */
#define EAPSRP_SKEY 2 /* Request 2 - Server Key */
#define EAPSRP_CVALIDATOR 2 /* Response 2 - Client Validator */
#define EAPSRP_SVALIDATOR 3 /* Request 3 - Server Validator */
#define EAPSRP_ACK 3 /* Response 3 - final ack */
#define EAPSRP_LWRECHALLENGE 4 /* Req/resp 4 - Lightweight rechal */
#define SRPVAL_EBIT 0x00000001 /* Use shared key for ECP */
#define SRP_PSEUDO_ID "pseudo_"
#define SRP_PSEUDO_LEN 7
#define MD5_SIGNATURE_SIZE 16
#define EAP_MIN_CHALLENGE_LENGTH 17
#define EAP_MAX_CHALLENGE_LENGTH 24
#define EAP_MIN_MAX_POWER_OF_TWO_CHALLENGE_LENGTH 3 /* 2^3-1 = 7, 17+7 = 24 */
#define EAP_STATES \
"Initial", "Pending", "Closed", "Listen", "Identify", \
"SRP1", "SRP2", "SRP3", "MD5Chall", "Open", "SRP4", "BadAuth"
#define eap_client_active(pcb) ((pcb)->eap.es_client.ea_state == eapListen)
#if PPP_SERVER
#define eap_server_active(pcb) \
((pcb)->eap.es_server.ea_state >= eapIdentify && \
(pcb)->eap.es_server.ea_state <= eapMD5Chall)
#endif /* PPP_SERVER */
/*
* Complete EAP state for one PPP session.
*/
enum eap_state_code {
eapInitial = 0, /* No EAP authentication yet requested */
eapPending, /* Waiting for LCP (no timer) */
eapClosed, /* Authentication not in use */
eapListen, /* Client ready (and timer running) */
eapIdentify, /* EAP Identify sent */
eapSRP1, /* Sent EAP SRP-SHA1 Subtype 1 */
eapSRP2, /* Sent EAP SRP-SHA1 Subtype 2 */
eapSRP3, /* Sent EAP SRP-SHA1 Subtype 3 */
eapMD5Chall, /* Sent MD5-Challenge */
eapOpen, /* Completed authentication */
eapSRP4, /* Sent EAP SRP-SHA1 Subtype 4 */
eapBadAuth /* Failed authentication */
};
struct eap_auth {
const char *ea_name; /* Our name */
char ea_peer[MAXNAMELEN +1]; /* Peer's name */
void *ea_session; /* Authentication library linkage */
u_char *ea_skey; /* Shared encryption key */
u_short ea_namelen; /* Length of our name */
u_short ea_peerlen; /* Length of peer's name */
enum eap_state_code ea_state;
u_char ea_id; /* Current id */
u_char ea_requests; /* Number of Requests sent/received */
u_char ea_responses; /* Number of Responses */
u_char ea_type; /* One of EAPT_* */
u32_t ea_keyflags; /* SRP shared key usage flags */
};
#ifndef EAP_MAX_CHALLENGE_LENGTH
#define EAP_MAX_CHALLENGE_LENGTH 24
#endif
typedef struct eap_state {
struct eap_auth es_client; /* Client (authenticatee) data */
#if PPP_SERVER
struct eap_auth es_server; /* Server (authenticator) data */
#endif /* PPP_SERVER */
int es_savedtime; /* Saved timeout */
int es_rechallenge; /* EAP rechallenge interval */
int es_lwrechallenge; /* SRP lightweight rechallenge inter */
u8_t es_usepseudo; /* Use SRP Pseudonym if offered one */
int es_usedpseudo; /* Set if we already sent PN */
int es_challen; /* Length of challenge string */
u_char es_challenge[EAP_MAX_CHALLENGE_LENGTH];
} eap_state;
/*
* Timeouts.
*/
#if 0 /* moved to opt.h */
#define EAP_DEFTIMEOUT 3 /* Timeout (seconds) for rexmit */
#define EAP_DEFTRANSMITS 10 /* max # times to transmit */
#define EAP_DEFREQTIME 20 /* Time to wait for peer request */
#define EAP_DEFALLOWREQ 20 /* max # times to accept requests */
#endif /* moved to opt.h */
void eap_authwithpeer(ppp_pcb *pcb, const char *localname);
void eap_authpeer(ppp_pcb *pcb, const char *localname);
extern const struct protent eap_protent;
#ifdef __cplusplus
}
#endif
#endif /* PPP_EAP_H */
#endif /* PPP_SUPPORT && EAP_SUPPORT */

50
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@@ -1,50 +0,0 @@
/*
* ecp.h - Definitions for PPP Encryption Control Protocol.
*
* Copyright (c) 2002 Google, Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The name(s) of the authors of this software must not be used to
* endorse or promote products derived from this software without
* prior written permission.
*
* THE AUTHORS OF THIS SOFTWARE DISCLAIM ALL WARRANTIES WITH REGARD TO
* THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
* AND FITNESS, IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY
* SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
* AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
* $Id: ecp.h,v 1.2 2003/01/10 07:12:36 fcusack Exp $
*/
#include "lwip/opt.h"
#if PPP_SUPPORT && ECP_SUPPORT /* don't build if not configured for use in lwipopts.h */
typedef struct ecp_options {
bool required; /* Is ECP required? */
unsigned enctype; /* Encryption type */
} ecp_options;
extern fsm ecp_fsm[];
extern ecp_options ecp_wantoptions[];
extern ecp_options ecp_gotoptions[];
extern ecp_options ecp_allowoptions[];
extern ecp_options ecp_hisoptions[];
extern const struct protent ecp_protent;
#endif /* PPP_SUPPORT && ECP_SUPPORT */

94
components/lwip/include/lwip/netif/ppp/eui64.h
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@@ -1,94 +0,0 @@
/*
* eui64.h - EUI64 routines for IPv6CP.
*
* Copyright (c) 1999 Tommi Komulainen. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The name(s) of the authors of this software must not be used to
* endorse or promote products derived from this software without
* prior written permission.
*
* 4. Redistributions of any form whatsoever must retain the following
* acknowledgment:
* "This product includes software developed by Tommi Komulainen
* <Tommi.Komulainen@iki.fi>".
*
* THE AUTHORS OF THIS SOFTWARE DISCLAIM ALL WARRANTIES WITH REGARD TO
* THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
* AND FITNESS, IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY
* SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
* AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
* $Id: eui64.h,v 1.6 2002/12/04 23:03:32 paulus Exp $
*/
#include "lwip/opt.h"
#if PPP_SUPPORT && PPP_IPV6_SUPPORT /* don't build if not configured for use in lwipopts.h */
#ifndef __EUI64_H__
#define __EUI64_H__
/*
* TODO:
*
* Maybe this should be done by processing struct in6_addr directly...
*/
typedef union
{
u8_t e8[8];
u16_t e16[4];
u32_t e32[2];
} eui64_t;
#define eui64_iszero(e) (((e).e32[0] | (e).e32[1]) == 0)
#define eui64_equals(e, o) (((e).e32[0] == (o).e32[0]) && \
((e).e32[1] == (o).e32[1]))
#define eui64_zero(e) (e).e32[0] = (e).e32[1] = 0;
#define eui64_copy(s, d) memcpy(&(d), &(s), sizeof(eui64_t))
#define eui64_magic(e) do { \
(e).e32[0] = magic(); \
(e).e32[1] = magic(); \
(e).e8[0] &= ~2; \
} while (0)
#define eui64_magic_nz(x) do { \
eui64_magic(x); \
} while (eui64_iszero(x))
#define eui64_magic_ne(x, y) do { \
eui64_magic(x); \
} while (eui64_equals(x, y))
#define eui64_get(ll, cp) do { \
eui64_copy((*cp), (ll)); \
(cp) += sizeof(eui64_t); \
} while (0)
#define eui64_put(ll, cp) do { \
eui64_copy((ll), (*cp)); \
(cp) += sizeof(eui64_t); \
} while (0)
#define eui64_set32(e, l) do { \
(e).e32[0] = 0; \
(e).e32[1] = htonl(l); \
} while (0)
#define eui64_setlo32(e, l) eui64_set32(e, l)
char *eui64_ntoa(eui64_t); /* Returns ascii representation of id */
#endif /* __EUI64_H__ */
#endif /* PPP_SUPPORT && PPP_IPV6_SUPPORT */

175
components/lwip/include/lwip/netif/ppp/fsm.h
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@@ -1,175 +0,0 @@
/*
* fsm.h - {Link, IP} Control Protocol Finite State Machine definitions.
*
* Copyright (c) 1984-2000 Carnegie Mellon University. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The name "Carnegie Mellon University" must not be used to
* endorse or promote products derived from this software without
* prior written permission. For permission or any legal
* details, please contact
* Office of Technology Transfer
* Carnegie Mellon University
* 5000 Forbes Avenue
* Pittsburgh, PA 15213-3890
* (412) 268-4387, fax: (412) 268-7395
* tech-transfer@andrew.cmu.edu
*
* 4. Redistributions of any form whatsoever must retain the following
* acknowledgment:
* "This product includes software developed by Computing Services
* at Carnegie Mellon University (http://www.cmu.edu/computing/)."
*
* CARNEGIE MELLON UNIVERSITY DISCLAIMS ALL WARRANTIES WITH REGARD TO
* THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
* AND FITNESS, IN NO EVENT SHALL CARNEGIE MELLON UNIVERSITY BE LIABLE
* FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
* AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
* $Id: fsm.h,v 1.10 2004/11/13 02:28:15 paulus Exp $
*/
#include "lwip/opt.h"
#if PPP_SUPPORT /* don't build if not configured for use in lwipopts.h */
#ifndef FSM_H
#define FSM_H
#include "ppp.h"
/*
* Packet header = Code, id, length.
*/
#define HEADERLEN 4
/*
* CP (LCP, IPCP, etc.) codes.
*/
#define CONFREQ 1 /* Configuration Request */
#define CONFACK 2 /* Configuration Ack */
#define CONFNAK 3 /* Configuration Nak */
#define CONFREJ 4 /* Configuration Reject */
#define TERMREQ 5 /* Termination Request */
#define TERMACK 6 /* Termination Ack */
#define CODEREJ 7 /* Code Reject */
/*
* Each FSM is described by an fsm structure and fsm callbacks.
*/
typedef struct fsm {
ppp_pcb *pcb; /* PPP Interface */
const struct fsm_callbacks *callbacks; /* Callback routines */
const char *term_reason; /* Reason for closing protocol */
u8_t seen_ack; /* Have received valid Ack/Nak/Rej to Req */
/* -- This is our only flag, we might use u_int :1 if we have more flags */
u16_t protocol; /* Data Link Layer Protocol field value */
u8_t state; /* State */
u8_t flags; /* Contains option bits */
u8_t id; /* Current id */
u8_t reqid; /* Current request id */
u8_t retransmits; /* Number of retransmissions left */
u8_t nakloops; /* Number of nak loops since last ack */
u8_t rnakloops; /* Number of naks received */
u8_t maxnakloops; /* Maximum number of nak loops tolerated
(necessary because IPCP require a custom large max nak loops value) */
u8_t term_reason_len; /* Length of term_reason */
} fsm;
typedef struct fsm_callbacks {
void (*resetci) /* Reset our Configuration Information */
(fsm *);
int (*cilen) /* Length of our Configuration Information */
(fsm *);
void (*addci) /* Add our Configuration Information */
(fsm *, u_char *, int *);
int (*ackci) /* ACK our Configuration Information */
(fsm *, u_char *, int);
int (*nakci) /* NAK our Configuration Information */
(fsm *, u_char *, int, int);
int (*rejci) /* Reject our Configuration Information */
(fsm *, u_char *, int);
int (*reqci) /* Request peer's Configuration Information */
(fsm *, u_char *, int *, int);
void (*up) /* Called when fsm reaches PPP_FSM_OPENED state */
(fsm *);
void (*down) /* Called when fsm leaves PPP_FSM_OPENED state */
(fsm *);
void (*starting) /* Called when we want the lower layer */
(fsm *);
void (*finished) /* Called when we don't want the lower layer */
(fsm *);
void (*protreject) /* Called when Protocol-Reject received */
(int);
void (*retransmit) /* Retransmission is necessary */
(fsm *);
int (*extcode) /* Called when unknown code received */
(fsm *, int, int, u_char *, int);
const char *proto_name; /* String name for protocol (for messages) */
} fsm_callbacks;
/*
* Link states.
*/
#define PPP_FSM_INITIAL 0 /* Down, hasn't been opened */
#define PPP_FSM_STARTING 1 /* Down, been opened */
#define PPP_FSM_CLOSED 2 /* Up, hasn't been opened */
#define PPP_FSM_STOPPED 3 /* Open, waiting for down event */
#define PPP_FSM_CLOSING 4 /* Terminating the connection, not open */
#define PPP_FSM_STOPPING 5 /* Terminating, but open */
#define PPP_FSM_REQSENT 6 /* We've sent a Config Request */
#define PPP_FSM_ACKRCVD 7 /* We've received a Config Ack */
#define PPP_FSM_ACKSENT 8 /* We've sent a Config Ack */
#define PPP_FSM_OPENED 9 /* Connection available */
/*
* Flags - indicate options controlling FSM operation
*/
#define OPT_PASSIVE 1 /* Don't die if we don't get a response */
#define OPT_RESTART 2 /* Treat 2nd OPEN as DOWN, UP */
#define OPT_SILENT 4 /* Wait for peer to speak first */
/*
* Timeouts.
*/
#if 0 /* moved to opt.h */
#define DEFTIMEOUT 3 /* Timeout time in seconds */
#define DEFMAXTERMREQS 2 /* Maximum Terminate-Request transmissions */
#define DEFMAXCONFREQS 10 /* Maximum Configure-Request transmissions */
#define DEFMAXNAKLOOPS 5 /* Maximum number of nak loops */
#endif /* moved to opt.h */
/*
* Prototypes
*/
void fsm_init(fsm *f);
void fsm_lowerup(fsm *f);
void fsm_lowerdown(fsm *f);
void fsm_open(fsm *f);
void fsm_close(fsm *f, const char *reason);
void fsm_input(fsm *f, u_char *inpacket, int l);
void fsm_protreject(fsm *f);
void fsm_sdata(fsm *f, u_char code, u_char id, const u_char *data, int datalen);
#endif /* FSM_H */
#endif /* PPP_SUPPORT */

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components/lwip/include/lwip/netif/ppp/ipcp.h
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/*
* ipcp.h - IP Control Protocol definitions.
*
* Copyright (c) 1984-2000 Carnegie Mellon University. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The name "Carnegie Mellon University" must not be used to
* endorse or promote products derived from this software without
* prior written permission. For permission or any legal
* details, please contact
* Office of Technology Transfer
* Carnegie Mellon University
* 5000 Forbes Avenue
* Pittsburgh, PA 15213-3890
* (412) 268-4387, fax: (412) 268-7395
* tech-transfer@andrew.cmu.edu
*
* 4. Redistributions of any form whatsoever must retain the following
* acknowledgment:
* "This product includes software developed by Computing Services
* at Carnegie Mellon University (http://www.cmu.edu/computing/)."
*
* CARNEGIE MELLON UNIVERSITY DISCLAIMS ALL WARRANTIES WITH REGARD TO
* THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
* AND FITNESS, IN NO EVENT SHALL CARNEGIE MELLON UNIVERSITY BE LIABLE
* FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
* AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
* $Id: ipcp.h,v 1.14 2002/12/04 23:03:32 paulus Exp $
*/
#include "lwip/opt.h"
#if PPP_SUPPORT && PPP_IPV4_SUPPORT /* don't build if not configured for use in lwipopts.h */
#ifndef IPCP_H
#define IPCP_H
/*
* Options.
*/
#define CI_ADDRS 1 /* IP Addresses */
#if VJ_SUPPORT
#define CI_COMPRESSTYPE 2 /* Compression Type */
#endif /* VJ_SUPPORT */
#define CI_ADDR 3
#if LWIP_DNS
#define CI_MS_DNS1 129 /* Primary DNS value */
#define CI_MS_DNS2 131 /* Secondary DNS value */
#endif /* LWIP_DNS */
#if 0 /* UNUSED - WINS */
#define CI_MS_WINS1 130 /* Primary WINS value */
#define CI_MS_WINS2 132 /* Secondary WINS value */
#endif /* UNUSED - WINS */
#if VJ_SUPPORT
#define MAX_STATES 16 /* from slcompress.h */
#define IPCP_VJMODE_OLD 1 /* "old" mode (option # = 0x0037) */
#define IPCP_VJMODE_RFC1172 2 /* "old-rfc"mode (option # = 0x002d) */
#define IPCP_VJMODE_RFC1332 3 /* "new-rfc"mode (option # = 0x002d, */
/* maxslot and slot number compression) */
#define IPCP_VJ_COMP 0x002d /* current value for VJ compression option*/
#define IPCP_VJ_COMP_OLD 0x0037 /* "old" (i.e, broken) value for VJ */
/* compression option*/
#endif /* VJ_SUPPORT */
typedef struct ipcp_options {
unsigned int neg_addr :1; /* Negotiate IP Address? */
unsigned int old_addrs :1; /* Use old (IP-Addresses) option? */
unsigned int req_addr :1; /* Ask peer to send IP address? */
#if 0 /* UNUSED */
unsigned int default_route :1; /* Assign default route through interface? */
unsigned int replace_default_route :1; /* Replace default route through interface? */
#endif /* UNUSED */
#if 0 /* UNUSED - PROXY ARP */
unsigned int proxy_arp :1; /* Make proxy ARP entry for peer? */
#endif /* UNUSED - PROXY ARP */
#if VJ_SUPPORT
unsigned int neg_vj :1; /* Van Jacobson Compression? */
unsigned int old_vj :1; /* use old (short) form of VJ option? */
unsigned int cflag :1;
#endif /* VJ_SUPPORT */
unsigned int accept_local :1; /* accept peer's value for ouraddr */
unsigned int accept_remote :1; /* accept peer's value for hisaddr */
#if LWIP_DNS
unsigned int req_dns1 :1; /* Ask peer to send primary DNS address? */
unsigned int req_dns2 :1; /* Ask peer to send secondary DNS address? */
#endif /* LWIP_DNS */
u32_t ouraddr, hisaddr; /* Addresses in NETWORK BYTE ORDER */
#if LWIP_DNS
u32_t dnsaddr[2]; /* Primary and secondary MS DNS entries */
#endif /* LWIP_DNS */
#if 0 /* UNUSED - WINS */
u32_t winsaddr[2]; /* Primary and secondary MS WINS entries */
#endif /* UNUSED - WINS */
#if VJ_SUPPORT
u16_t vj_protocol; /* protocol value to use in VJ option */
u8_t maxslotindex; /* values for RFC1332 VJ compression neg. */
#endif /* VJ_SUPPORT */
} ipcp_options;
#if 0 /* UNUSED, already defined by lwIP */
char *ip_ntoa (u32_t);
#endif /* UNUSED, already defined by lwIP */
extern const struct protent ipcp_protent;
#endif /* IPCP_H */
#endif /* PPP_SUPPORT && PPP_IPV4_SUPPORT */

183
components/lwip/include/lwip/netif/ppp/ipv6cp.h
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@@ -1,183 +0,0 @@
/*
* ipv6cp.h - PPP IPV6 Control Protocol.
*
* Copyright (c) 1999 Tommi Komulainen. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The name(s) of the authors of this software must not be used to
* endorse or promote products derived from this software without
* prior written permission.
*
* 4. Redistributions of any form whatsoever must retain the following
* acknowledgment:
* "This product includes software developed by Tommi Komulainen
* <Tommi.Komulainen@iki.fi>".
*
* THE AUTHORS OF THIS SOFTWARE DISCLAIM ALL WARRANTIES WITH REGARD TO
* THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
* AND FITNESS, IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY
* SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
* AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
*/
/* Original version, based on RFC2023 :
Copyright (c) 1995, 1996, 1997 Francis.Dupont@inria.fr, INRIA Rocquencourt,
Alain.Durand@imag.fr, IMAG,
Jean-Luc.Richier@imag.fr, IMAG-LSR.
Copyright (c) 1998, 1999 Francis.Dupont@inria.fr, GIE DYADE,
Alain.Durand@imag.fr, IMAG,
Jean-Luc.Richier@imag.fr, IMAG-LSR.
Ce travail a été fait au sein du GIE DYADE (Groupement d'Intérêt
Économique ayant pour membres BULL S.A. et l'INRIA).
Ce logiciel informatique est disponible aux conditions
usuelles dans la recherche, c'est-à-dire qu'il peut
être utilisé, copié, modifié, distribué à l'unique
condition que ce texte soit conservé afin que
l'origine de ce logiciel soit reconnue.
Le nom de l'Institut National de Recherche en Informatique
et en Automatique (INRIA), de l'IMAG, ou d'une personne morale
ou physique ayant participé à l'élaboration de ce logiciel ne peut
être utilisé sans son accord préalable explicite.
Ce logiciel est fourni tel quel sans aucune garantie,
support ou responsabilité d'aucune sorte.
Ce logiciel est dérivé de sources d'origine
"University of California at Berkeley" et
"Digital Equipment Corporation" couvertes par des copyrights.
L'Institut d'Informatique et de Mathématiques Appliquées de Grenoble (IMAG)
est une fédération d'unités mixtes de recherche du CNRS, de l'Institut National
Polytechnique de Grenoble et de l'Université Joseph Fourier regroupant
sept laboratoires dont le laboratoire Logiciels, Systèmes, Réseaux (LSR).
This work has been done in the context of GIE DYADE (joint R & D venture
between BULL S.A. and INRIA).
This software is available with usual "research" terms
with the aim of retain credits of the software.
Permission to use, copy, modify and distribute this software for any
purpose and without fee is hereby granted, provided that the above
copyright notice and this permission notice appear in all copies,
and the name of INRIA, IMAG, or any contributor not be used in advertising
or publicity pertaining to this material without the prior explicit
permission. The software is provided "as is" without any
warranties, support or liabilities of any kind.
This software is derived from source code from
"University of California at Berkeley" and
"Digital Equipment Corporation" protected by copyrights.
Grenoble's Institute of Computer Science and Applied Mathematics (IMAG)
is a federation of seven research units funded by the CNRS, National
Polytechnic Institute of Grenoble and University Joseph Fourier.
The research unit in Software, Systems, Networks (LSR) is member of IMAG.
*/
/*
* Derived from :
*
*
* ipcp.h - IP Control Protocol definitions.
*
* Copyright (c) 1984-2000 Carnegie Mellon University. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The name "Carnegie Mellon University" must not be used to
* endorse or promote products derived from this software without
* prior written permission. For permission or any legal
* details, please contact
* Office of Technology Transfer
* Carnegie Mellon University
* 5000 Forbes Avenue
* Pittsburgh, PA 15213-3890
* (412) 268-4387, fax: (412) 268-7395
* tech-transfer@andrew.cmu.edu
*
* 4. Redistributions of any form whatsoever must retain the following
* acknowledgment:
* "This product includes software developed by Computing Services
* at Carnegie Mellon University (http://www.cmu.edu/computing/)."
*
* CARNEGIE MELLON UNIVERSITY DISCLAIMS ALL WARRANTIES WITH REGARD TO
* THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
* AND FITNESS, IN NO EVENT SHALL CARNEGIE MELLON UNIVERSITY BE LIABLE
* FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
* AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
* $Id: ipv6cp.h,v 1.7 2002/12/04 23:03:32 paulus Exp $
*/
#include "lwip/opt.h"
#if PPP_SUPPORT && PPP_IPV6_SUPPORT /* don't build if not configured for use in lwipopts.h */
#ifndef IPV6CP_H
#define IPV6CP_H
#include "eui64.h"
/*
* Options.
*/
#define CI_IFACEID 1 /* Interface Identifier */
#ifdef IPV6CP_COMP
#define CI_COMPRESSTYPE 2 /* Compression Type */
#endif /* IPV6CP_COMP */
/* No compression types yet defined.
*#define IPV6CP_COMP 0x004f
*/
typedef struct ipv6cp_options {
unsigned int neg_ifaceid :1; /* Negotiate interface identifier? */
unsigned int req_ifaceid :1; /* Ask peer to send interface identifier? */
unsigned int accept_local :1; /* accept peer's value for iface id? */
unsigned int opt_local :1; /* ourtoken set by option */
unsigned int opt_remote :1; /* histoken set by option */
unsigned int use_ip :1; /* use IP as interface identifier */
#if 0
unsigned int use_persistent :1; /* use uniquely persistent value for address */
#endif
#ifdef IPV6CP_COMP
unsigned int neg_vj :1; /* Van Jacobson Compression? */
#endif /* IPV6CP_COMP */
#ifdef IPV6CP_COMP
u_short vj_protocol; /* protocol value to use in VJ option */
#endif /* IPV6CP_COMP */
eui64_t ourid, hisid; /* Interface identifiers */
} ipv6cp_options;
extern const struct protent ipv6cp_protent;
#endif /* IPV6CP_H */
#endif /* PPP_SUPPORT && PPP_IPV6_SUPPORT */

169
components/lwip/include/lwip/netif/ppp/lcp.h
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/*
* lcp.h - Link Control Protocol definitions.
*
* Copyright (c) 1984-2000 Carnegie Mellon University. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The name "Carnegie Mellon University" must not be used to
* endorse or promote products derived from this software without
* prior written permission. For permission or any legal
* details, please contact
* Office of Technology Transfer
* Carnegie Mellon University
* 5000 Forbes Avenue
* Pittsburgh, PA 15213-3890
* (412) 268-4387, fax: (412) 268-7395
* tech-transfer@andrew.cmu.edu
*
* 4. Redistributions of any form whatsoever must retain the following
* acknowledgment:
* "This product includes software developed by Computing Services
* at Carnegie Mellon University (http://www.cmu.edu/computing/)."
*
* CARNEGIE MELLON UNIVERSITY DISCLAIMS ALL WARRANTIES WITH REGARD TO
* THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
* AND FITNESS, IN NO EVENT SHALL CARNEGIE MELLON UNIVERSITY BE LIABLE
* FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
* AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
* $Id: lcp.h,v 1.20 2004/11/14 22:53:42 carlsonj Exp $
*/
#include "lwip/opt.h"
#if PPP_SUPPORT /* don't build if not configured for use in lwipopts.h */
#ifndef LCP_H
#define LCP_H
#include "ppp.h"
/*
* Options.
*/
#define CI_VENDOR 0 /* Vendor Specific */
#define CI_MRU 1 /* Maximum Receive Unit */
#define CI_ASYNCMAP 2 /* Async Control Character Map */
#define CI_AUTHTYPE 3 /* Authentication Type */
#define CI_QUALITY 4 /* Quality Protocol */
#define CI_MAGICNUMBER 5 /* Magic Number */
#define CI_PCOMPRESSION 7 /* Protocol Field Compression */
#define CI_ACCOMPRESSION 8 /* Address/Control Field Compression */
#define CI_FCSALTERN 9 /* FCS-Alternatives */
#define CI_SDP 10 /* Self-Describing-Pad */
#define CI_NUMBERED 11 /* Numbered-Mode */
#define CI_CALLBACK 13 /* callback */
#define CI_MRRU 17 /* max reconstructed receive unit; multilink */
#define CI_SSNHF 18 /* short sequence numbers for multilink */
#define CI_EPDISC 19 /* endpoint discriminator */
#define CI_MPPLUS 22 /* Multi-Link-Plus-Procedure */
#define CI_LDISC 23 /* Link-Discriminator */
#define CI_LCPAUTH 24 /* LCP Authentication */
#define CI_COBS 25 /* Consistent Overhead Byte Stuffing */
#define CI_PREFELIS 26 /* Prefix Elision */
#define CI_MPHDRFMT 27 /* MP Header Format */
#define CI_I18N 28 /* Internationalization */
#define CI_SDL 29 /* Simple Data Link */
/*
* LCP-specific packet types (code numbers).
*/
#define PROTREJ 8 /* Protocol Reject */
#define ECHOREQ 9 /* Echo Request */
#define ECHOREP 10 /* Echo Reply */
#define DISCREQ 11 /* Discard Request */
#define IDENTIF 12 /* Identification */
#define TIMEREM 13 /* Time Remaining */
/* Value used as data for CI_CALLBACK option */
#define CBCP_OPT 6 /* Use callback control protocol */
#if 0 /* moved to opt.h */
#define DEFMRU 1500 /* Try for this */
#define MINMRU 128 /* No MRUs below this */
#define MAXMRU 16384 /* Normally limit MRU to this */
#endif /* moved to opt.h */
/* An endpoint discriminator, used with multilink. */
#define MAX_ENDP_LEN 20 /* maximum length of discriminator value */
struct epdisc {
unsigned char class_; /* -- The word "class" is reserved in C++. */
unsigned char length;
unsigned char value[MAX_ENDP_LEN];
};
/*
* The state of options is described by an lcp_options structure.
*/
typedef struct lcp_options {
unsigned int passive :1; /* Don't die if we don't get a response */
unsigned int silent :1; /* Wait for the other end to start first */
unsigned int restart :1; /* Restart vs. exit after close */
unsigned int neg_mru :1; /* Negotiate the MRU? */
unsigned int neg_asyncmap :1; /* Negotiate the async map? */
#if PAP_SUPPORT
unsigned int neg_upap :1; /* Ask for UPAP authentication? */
#endif /* PAP_SUPPORT */
#if CHAP_SUPPORT
unsigned int neg_chap :1; /* Ask for CHAP authentication? */
#endif /* CHAP_SUPPORT */
#if EAP_SUPPORT
unsigned int neg_eap :1; /* Ask for EAP authentication? */
#endif /* EAP_SUPPORT */
unsigned int neg_magicnumber :1; /* Ask for magic number? */
unsigned int neg_pcompression :1; /* HDLC Protocol Field Compression? */
unsigned int neg_accompression :1; /* HDLC Address/Control Field Compression? */
#if LQR_SUPPORT
unsigned int neg_lqr :1; /* Negotiate use of Link Quality Reports */
#endif /* LQR_SUPPORT */
unsigned int neg_cbcp :1; /* Negotiate use of CBCP */
#ifdef HAVE_MULTILINK
unsigned int neg_mrru :1; /* negotiate multilink MRRU */
#endif /* HAVE_MULTILINK */
unsigned int neg_ssnhf :1; /* negotiate short sequence numbers */
unsigned int neg_endpoint :1; /* negotiate endpoint discriminator */
u16_t mru; /* Value of MRU */
#ifdef HAVE_MULTILINK
u16_t mrru; /* Value of MRRU, and multilink enable */
#endif /* MULTILINK */
#if CHAP_SUPPORT
u8_t chap_mdtype; /* which MD types (hashing algorithm) */
#endif /* CHAP_SUPPORT */
u32_t asyncmap; /* Value of async map */
u32_t magicnumber;
u8_t numloops; /* Number of loops during magic number neg. */
#if LQR_SUPPORT
u32_t lqr_period; /* Reporting period for LQR 1/100ths second */
#endif /* LQR_SUPPORT */
struct epdisc endpoint; /* endpoint discriminator */
} lcp_options;
void lcp_open(ppp_pcb *pcb);
void lcp_close(ppp_pcb *pcb, const char *reason);
void lcp_lowerup(ppp_pcb *pcb);
void lcp_lowerdown(ppp_pcb *pcb);
void lcp_sprotrej(ppp_pcb *pcb, u_char *p, int len); /* send protocol reject */
extern const struct protent lcp_protent;
#if 0 /* moved to opt.h */
/* Default number of times we receive our magic number from the peer
before deciding the link is looped-back. */
#define DEFLOOPBACKFAIL 10
#endif /* moved to opt.h */
#endif /* LCP_H */
#endif /* PPP_SUPPORT */

122
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@@ -1,122 +0,0 @@
/*
* magic.h - PPP Magic Number definitions.
*
* Copyright (c) 1984-2000 Carnegie Mellon University. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The name "Carnegie Mellon University" must not be used to
* endorse or promote products derived from this software without
* prior written permission. For permission or any legal
* details, please contact
* Office of Technology Transfer
* Carnegie Mellon University
* 5000 Forbes Avenue
* Pittsburgh, PA 15213-3890
* (412) 268-4387, fax: (412) 268-7395
* tech-transfer@andrew.cmu.edu
*
* 4. Redistributions of any form whatsoever must retain the following
* acknowledgment:
* "This product includes software developed by Computing Services
* at Carnegie Mellon University (http://www.cmu.edu/computing/)."
*
* CARNEGIE MELLON UNIVERSITY DISCLAIMS ALL WARRANTIES WITH REGARD TO
* THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
* AND FITNESS, IN NO EVENT SHALL CARNEGIE MELLON UNIVERSITY BE LIABLE
* FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
* AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
* $Id: magic.h,v 1.5 2003/06/11 23:56:26 paulus Exp $
*/
/*****************************************************************************
* randm.h - Random number generator header file.
*
* Copyright (c) 2003 by Marc Boucher, Services Informatiques (MBSI) inc.
* Copyright (c) 1998 Global Election Systems Inc.
*
* The authors hereby grant permission to use, copy, modify, distribute,
* and license this software and its documentation for any purpose, provided
* that existing copyright notices are retained in all copies and that this
* notice and the following disclaimer are included verbatim in any
* distributions. No written agreement, license, or royalty fee is required
* for any of the authorized uses.
*
* THIS SOFTWARE IS PROVIDED BY THE CONTRIBUTORS *AS IS* AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
******************************************************************************
* REVISION HISTORY
*
* 03-01-01 Marc Boucher <marc@mbsi.ca>
* Ported to lwIP.
* 98-05-29 Guy Lancaster <glanca@gesn.com>, Global Election Systems Inc.
* Extracted from avos.
*****************************************************************************/
#include "lwip/opt.h"
#if PPP_SUPPORT /* don't build if not configured for use in lwipopts.h */
#ifndef MAGIC_H
#define MAGIC_H
/***********************
*** PUBLIC FUNCTIONS ***
***********************/
/*
* Initialize the random number generator.
*/
void magic_init(void);
/*
* Randomize our random seed value. To be called for truely random events
* such as user operations and network traffic.
*/
void magic_randomize(void);
/*
* Return a new random number.
*/
u32_t magic(void); /* Returns the next magic number */
/*
* Fill buffer with random bytes
*
* Use the random pool to generate random data. This degrades to pseudo
* random when used faster than randomness is supplied using magic_churnrand().
* Thus it's important to make sure that the results of this are not
* published directly because one could predict the next result to at
* least some degree. Also, it's important to get a good seed before
* the first use.
*/
void magic_random_bytes(unsigned char *buf, u32_t buf_len);
/*
* Return a new random number between 0 and (2^pow)-1 included.
*/
u32_t magic_pow(u8_t pow);
#endif /* MAGIC_H */
#endif /* PPP_SUPPORT */

177
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@@ -1,177 +0,0 @@
/*
* mppe.h - Definitions for MPPE
*
* Copyright (c) 2008 Paul Mackerras. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The name(s) of the authors of this software must not be used to
* endorse or promote products derived from this software without
* prior written permission.
*
* 4. Redistributions of any form whatsoever must retain the following
* acknowledgment:
* "This product includes software developed by Paul Mackerras
* <paulus@samba.org>".
*
* THE AUTHORS OF THIS SOFTWARE DISCLAIM ALL WARRANTIES WITH REGARD TO
* THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
* AND FITNESS, IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY
* SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
* AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include "lwip/opt.h"
#if PPP_SUPPORT && MPPE_SUPPORT /* don't build if not configured for use in lwipopts.h */
#ifndef MPPE_H
#define MPPE_H
#if LWIP_INCLUDED_POLARSSL_ARC4
#include "netif/ppp/polarssl/arc4.h"
#else
#include "polarssl/arc4.h"
#endif
#define MPPE_PAD 4 /* MPPE growth per frame */
#define MPPE_MAX_KEY_LEN 16 /* largest key length (128-bit) */
/* option bits for ccp_options.mppe */
#define MPPE_OPT_40 0x01 /* 40 bit */
#define MPPE_OPT_128 0x02 /* 128 bit */
#define MPPE_OPT_STATEFUL 0x04 /* stateful mode */
/* unsupported opts */
#define MPPE_OPT_56 0x08 /* 56 bit */
#define MPPE_OPT_MPPC 0x10 /* MPPC compression */
#define MPPE_OPT_D 0x20 /* Unknown */
#define MPPE_OPT_UNSUPPORTED (MPPE_OPT_56|MPPE_OPT_MPPC|MPPE_OPT_D)
#define MPPE_OPT_UNKNOWN 0x40 /* Bits !defined in RFC 3078 were set */
/*
* This is not nice ... the alternative is a bitfield struct though.
* And unfortunately, we cannot share the same bits for the option
* names above since C and H are the same bit. We could do a u_int32
* but then we have to do a htonl() all the time and/or we still need
* to know which octet is which.
*/
#define MPPE_C_BIT 0x01 /* MPPC */
#define MPPE_D_BIT 0x10 /* Obsolete, usage unknown */
#define MPPE_L_BIT 0x20 /* 40-bit */
#define MPPE_S_BIT 0x40 /* 128-bit */
#define MPPE_M_BIT 0x80 /* 56-bit, not supported */
#define MPPE_H_BIT 0x01 /* Stateless (in a different byte) */
/* Does not include H bit; used for least significant octet only. */
#define MPPE_ALL_BITS (MPPE_D_BIT|MPPE_L_BIT|MPPE_S_BIT|MPPE_M_BIT|MPPE_H_BIT)
/* Build a CI from mppe opts (see RFC 3078) */
#define MPPE_OPTS_TO_CI(opts, ci) \
do { \
u_char *ptr = ci; /* u_char[4] */ \
\
/* H bit */ \
if (opts & MPPE_OPT_STATEFUL) \
*ptr++ = 0x0; \
else \
*ptr++ = MPPE_H_BIT; \
*ptr++ = 0; \
*ptr++ = 0; \
\
/* S,L bits */ \
*ptr = 0; \
if (opts & MPPE_OPT_128) \
*ptr |= MPPE_S_BIT; \
if (opts & MPPE_OPT_40) \
*ptr |= MPPE_L_BIT; \
/* M,D,C bits not supported */ \
} while (/* CONSTCOND */ 0)
/* The reverse of the above */
#define MPPE_CI_TO_OPTS(ci, opts) \
do { \
const u_char *ptr = ci; /* u_char[4] */ \
\
opts = 0; \
\
/* H bit */ \
if (!(ptr[0] & MPPE_H_BIT)) \
opts |= MPPE_OPT_STATEFUL; \
\
/* S,L bits */ \
if (ptr[3] & MPPE_S_BIT) \
opts |= MPPE_OPT_128; \
if (ptr[3] & MPPE_L_BIT) \
opts |= MPPE_OPT_40; \
\
/* M,D,C bits */ \
if (ptr[3] & MPPE_M_BIT) \
opts |= MPPE_OPT_56; \
if (ptr[3] & MPPE_D_BIT) \
opts |= MPPE_OPT_D; \
if (ptr[3] & MPPE_C_BIT) \
opts |= MPPE_OPT_MPPC; \
\
/* Other bits */ \
if (ptr[0] & ~MPPE_H_BIT) \
opts |= MPPE_OPT_UNKNOWN; \
if (ptr[1] || ptr[2]) \
opts |= MPPE_OPT_UNKNOWN; \
if (ptr[3] & ~MPPE_ALL_BITS) \
opts |= MPPE_OPT_UNKNOWN; \
} while (/* CONSTCOND */ 0)
/* Shared MPPE padding between MSCHAP and MPPE */
#define SHA1_PAD_SIZE 40
static const u8_t mppe_sha1_pad1[SHA1_PAD_SIZE] = {
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
};
static const u8_t mppe_sha1_pad2[SHA1_PAD_SIZE] = {
0xf2, 0xf2, 0xf2, 0xf2, 0xf2, 0xf2, 0xf2, 0xf2, 0xf2, 0xf2,
0xf2, 0xf2, 0xf2, 0xf2, 0xf2, 0xf2, 0xf2, 0xf2, 0xf2, 0xf2,
0xf2, 0xf2, 0xf2, 0xf2, 0xf2, 0xf2, 0xf2, 0xf2, 0xf2, 0xf2,
0xf2, 0xf2, 0xf2, 0xf2, 0xf2, 0xf2, 0xf2, 0xf2, 0xf2, 0xf2
};
/*
* State for an MPPE (de)compressor.
*/
typedef struct ppp_mppe_state {
arc4_context arc4;
u8_t master_key[MPPE_MAX_KEY_LEN];
u8_t session_key[MPPE_MAX_KEY_LEN];
u8_t keylen; /* key length in bytes */
/* NB: 128-bit == 16, 40-bit == 8!
* If we want to support 56-bit, the unit has to change to bits
*/
u8_t bits; /* MPPE control bits */
u16_t ccount; /* 12-bit coherency count (seqno) */
u16_t sanity_errors; /* take down LCP if too many */
unsigned int stateful :1; /* stateful mode flag */
unsigned int discard :1; /* stateful mode packet loss flag */
} ppp_mppe_state;
void mppe_set_key(ppp_pcb *pcb, ppp_mppe_state *state, u8_t *key);
void mppe_init(ppp_pcb *pcb, ppp_mppe_state *state, u8_t options);
void mppe_comp_reset(ppp_pcb *pcb, ppp_mppe_state *state);
err_t mppe_compress(ppp_pcb *pcb, ppp_mppe_state *state, struct pbuf **pb, u16_t protocol);
void mppe_decomp_reset(ppp_pcb *pcb, ppp_mppe_state *state);
err_t mppe_decompress(ppp_pcb *pcb, ppp_mppe_state *state, struct pbuf **pb);
#endif /* MPPE_H */
#endif /* PPP_SUPPORT && MPPE_SUPPORT */

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/**
* \file arc4.h
*
* Based on XySSL: Copyright (C) 2006-2008 Christophe Devine
*
* Copyright (C) 2009 Paul Bakker <polarssl_maintainer at polarssl dot org>
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the names of PolarSSL or XySSL nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
* TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "lwip/opt.h"
#if LWIP_INCLUDED_POLARSSL_ARC4
#ifndef LWIP_INCLUDED_POLARSSL_ARC4_H
#define LWIP_INCLUDED_POLARSSL_ARC4_H
/**
* \brief ARC4 context structure
*/
typedef struct
{
int x; /*!< permutation index */
int y; /*!< permutation index */
unsigned char m[256]; /*!< permutation table */
}
arc4_context;
#ifdef __cplusplus
extern "C" {
#endif
/**
* \brief ARC4 key schedule
*
* \param ctx ARC4 context to be initialized
* \param key the secret key
* \param keylen length of the key
*/
void arc4_setup( arc4_context *ctx, unsigned char *key, int keylen );
/**
* \brief ARC4 cipher function
*
* \param ctx ARC4 context
* \param buf buffer to be processed
* \param buflen amount of data in buf
*/
void arc4_crypt( arc4_context *ctx, unsigned char *buf, int buflen );
#ifdef __cplusplus
}
#endif
#endif /* LWIP_INCLUDED_POLARSSL_ARC4_H */
#endif /* LWIP_INCLUDED_POLARSSL_ARC4 */

92
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/**
* \file des.h
*
* Based on XySSL: Copyright (C) 2006-2008 Christophe Devine
*
* Copyright (C) 2009 Paul Bakker <polarssl_maintainer at polarssl dot org>
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the names of PolarSSL or XySSL nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
* TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "lwip/opt.h"
#if LWIP_INCLUDED_POLARSSL_DES
#ifndef LWIP_INCLUDED_POLARSSL_DES_H
#define LWIP_INCLUDED_POLARSSL_DES_H
#define DES_ENCRYPT 1
#define DES_DECRYPT 0
/**
* \brief DES context structure
*/
typedef struct
{
int mode; /*!< encrypt/decrypt */
unsigned long sk[32]; /*!< DES subkeys */
}
des_context;
#ifdef __cplusplus
extern "C" {
#endif
/**
* \brief DES key schedule (56-bit, encryption)
*
* \param ctx DES context to be initialized
* \param key 8-byte secret key
*/
void des_setkey_enc( des_context *ctx, unsigned char key[8] );
/**
* \brief DES key schedule (56-bit, decryption)
*
* \param ctx DES context to be initialized
* \param key 8-byte secret key
*/
void des_setkey_dec( des_context *ctx, unsigned char key[8] );
/**
* \brief DES-ECB block encryption/decryption
*
* \param ctx DES context
* \param input 64-bit input block
* \param output 64-bit output block
*/
void des_crypt_ecb( des_context *ctx,
const unsigned char input[8],
unsigned char output[8] );
#ifdef __cplusplus
}
#endif
#endif /* LWIP_INCLUDED_POLARSSL_DES_H */
#endif /* LWIP_INCLUDED_POLARSSL_DES */

97
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/**
* \file md4.h
*
* Based on XySSL: Copyright (C) 2006-2008 Christophe Devine
*
* Copyright (C) 2009 Paul Bakker <polarssl_maintainer at polarssl dot org>
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the names of PolarSSL or XySSL nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
* TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "lwip/opt.h"
#if LWIP_INCLUDED_POLARSSL_MD4
#ifndef LWIP_INCLUDED_POLARSSL_MD4_H
#define LWIP_INCLUDED_POLARSSL_MD4_H
/**
* \brief MD4 context structure
*/
typedef struct
{
unsigned long total[2]; /*!< number of bytes processed */
unsigned long state[4]; /*!< intermediate digest state */
unsigned char buffer[64]; /*!< data block being processed */
}
md4_context;
#ifdef __cplusplus
extern "C" {
#endif
/**
* \brief MD4 context setup
*
* \param ctx context to be initialized
*/
void md4_starts( md4_context *ctx );
/**
* \brief MD4 process buffer
*
* \param ctx MD4 context
* \param input buffer holding the data
* \param ilen length of the input data
*/
void md4_update( md4_context *ctx, const unsigned char *input, int ilen );
/**
* \brief MD4 final digest
*
* \param ctx MD4 context
* \param output MD4 checksum result
*/
void md4_finish( md4_context *ctx, unsigned char output[16] );
/**
* \brief Output = MD4( input buffer )
*
* \param input buffer holding the data
* \param ilen length of the input data
* \param output MD4 checksum result
*/
void md4( unsigned char *input, int ilen, unsigned char output[16] );
#ifdef __cplusplus
}
#endif
#endif /* LWIP_INCLUDED_POLARSSL_MD4_H */
#endif /* LWIP_INCLUDED_POLARSSL_MD4 */

96
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@@ -1,96 +0,0 @@
/**
* \file md5.h
*
* Based on XySSL: Copyright (C) 2006-2008 Christophe Devine
*
* Copyright (C) 2009 Paul Bakker <polarssl_maintainer at polarssl dot org>
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the names of PolarSSL or XySSL nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
* TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "lwip/opt.h"
#if LWIP_INCLUDED_POLARSSL_MD5
#ifndef LWIP_INCLUDED_POLARSSL_MD5_H
#define LWIP_INCLUDED_POLARSSL_MD5_H
/**
* \brief MD5 context structure
*/
typedef struct
{
unsigned long total[2]; /*!< number of bytes processed */
unsigned long state[4]; /*!< intermediate digest state */
unsigned char buffer[64]; /*!< data block being processed */
}
md5_context;
#ifdef __cplusplus
extern "C" {
#endif
/**
* \brief MD5 context setup
*
* \param ctx context to be initialized
*/
void md5_starts( md5_context *ctx );
/**
* \brief MD5 process buffer
*
* \param ctx MD5 context
* \param input buffer holding the data
* \param ilen length of the input data
*/
void md5_update( md5_context *ctx, const unsigned char *input, int ilen );
/**
* \brief MD5 final digest
*
* \param ctx MD5 context
* \param output MD5 checksum result
*/
void md5_finish( md5_context *ctx, unsigned char output[16] );
/**
* \brief Output = MD5( input buffer )
*
* \param input buffer holding the data
* \param ilen length of the input data
* \param output MD5 checksum result
*/
void md5( unsigned char *input, int ilen, unsigned char output[16] );
#ifdef __cplusplus
}
#endif
#endif /* LWIP_INCLUDED_POLARSSL_MD5_H */
#endif /* LWIP_INCLUDED_POLARSSL_MD5 */

96
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/**
* \file sha1.h
*
* Based on XySSL: Copyright (C) 2006-2008 Christophe Devine
*
* Copyright (C) 2009 Paul Bakker <polarssl_maintainer at polarssl dot org>
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the names of PolarSSL or XySSL nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
* TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "lwip/opt.h"
#if LWIP_INCLUDED_POLARSSL_SHA1
#ifndef LWIP_INCLUDED_POLARSSL_SHA1_H
#define LWIP_INCLUDED_POLARSSL_SHA1_H
/**
* \brief SHA-1 context structure
*/
typedef struct
{
unsigned long total[2]; /*!< number of bytes processed */
unsigned long state[5]; /*!< intermediate digest state */
unsigned char buffer[64]; /*!< data block being processed */
}
sha1_context;
#ifdef __cplusplus
extern "C" {
#endif
/**
* \brief SHA-1 context setup
*
* \param ctx context to be initialized
*/
void sha1_starts( sha1_context *ctx );
/**
* \brief SHA-1 process buffer
*
* \param ctx SHA-1 context
* \param input buffer holding the data
* \param ilen length of the input data
*/
void sha1_update( sha1_context *ctx, const unsigned char *input, int ilen );
/**
* \brief SHA-1 final digest
*
* \param ctx SHA-1 context
* \param output SHA-1 checksum result
*/
void sha1_finish( sha1_context *ctx, unsigned char output[20] );
/**
* \brief Output = SHA-1( input buffer )
*
* \param input buffer holding the data
* \param ilen length of the input data
* \param output SHA-1 checksum result
*/
void sha1( unsigned char *input, int ilen, unsigned char output[20] );
#ifdef __cplusplus
}
#endif
#endif /* LWIP_INCLUDED_POLARSSL_SHA1_H */
#endif /* LWIP_INCLUDED_POLARSSL_SHA1 */

573
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@@ -1,573 +0,0 @@
/*****************************************************************************
* ppp.h - Network Point to Point Protocol header file.
*
* Copyright (c) 2003 by Marc Boucher, Services Informatiques (MBSI) inc.
* portions Copyright (c) 1997 Global Election Systems Inc.
*
* The authors hereby grant permission to use, copy, modify, distribute,
* and license this software and its documentation for any purpose, provided
* that existing copyright notices are retained in all copies and that this
* notice and the following disclaimer are included verbatim in any
* distributions. No written agreement, license, or royalty fee is required
* for any of the authorized uses.
*
* THIS SOFTWARE IS PROVIDED BY THE CONTRIBUTORS *AS IS* AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
******************************************************************************
* REVISION HISTORY
*
* 03-01-01 Marc Boucher <marc@mbsi.ca>
* Ported to lwIP.
* 97-11-05 Guy Lancaster <glanca@gesn.com>, Global Election Systems Inc.
* Original derived from BSD codes.
*****************************************************************************/
#include "lwip/opt.h"
#if PPP_SUPPORT /* don't build if not configured for use in lwipopts.h */
#ifndef PPP_H
#define PPP_H
#include "lwip/def.h"
#include "lwip/stats.h"
#include "lwip/mem.h"
#include "lwip/netif.h"
#include "lwip/sys.h"
#include "lwip/sio.h"
#include "lwip/timers.h"
#if PPP_IPV6_SUPPORT
#include "lwip/ip6_addr.h"
#endif /* PPP_IPV6_SUPPORT */
/* Disable non-working or rarely used PPP feature, so rarely that we don't want to bloat opt.h with them */
#ifndef PPP_OPTIONS
#define PPP_OPTIONS 0
#endif
#ifndef PPP_NOTIFY
#define PPP_NOTIFY 0
#endif
#ifndef PPP_REMOTENAME
#define PPP_REMOTENAME 0
#endif
#ifndef PPP_IDLETIMELIMIT
#define PPP_IDLETIMELIMIT 0
#endif
#ifndef PPP_LCP_ADAPTIVE
#define PPP_LCP_ADAPTIVE 0
#endif
#ifndef PPP_MAXCONNECT
#define PPP_MAXCONNECT 0
#endif
#ifndef PPP_ALLOWED_ADDRS
#define PPP_ALLOWED_ADDRS 0
#endif
#ifndef PPP_PROTOCOLNAME
#define PPP_PROTOCOLNAME 0
#endif
#ifndef PPP_STATS_SUPPORT
#define PPP_STATS_SUPPORT 0
#endif
#ifndef DEFLATE_SUPPORT
#define DEFLATE_SUPPORT 0
#endif
#ifndef BSDCOMPRESS_SUPPORT
#define BSDCOMPRESS_SUPPORT 0
#endif
#ifndef PREDICTOR_SUPPORT
#define PREDICTOR_SUPPORT 0
#endif
/*************************
*** PUBLIC DEFINITIONS ***
*************************/
/*
* The basic PPP frame.
*/
#define PPP_HDRLEN 4 /* octets for standard ppp header */
#define PPP_FCSLEN 2 /* octets for FCS */
/*
* Values for phase.
*/
#define PPP_PHASE_DEAD 0
#define PPP_PHASE_INITIALIZE 1
#define PPP_PHASE_SERIALCONN 2
#define PPP_PHASE_DORMANT 3
#define PPP_PHASE_ESTABLISH 4
#define PPP_PHASE_AUTHENTICATE 5
#define PPP_PHASE_CALLBACK 6
#define PPP_PHASE_NETWORK 7
#define PPP_PHASE_RUNNING 8
#define PPP_PHASE_TERMINATE 9
#define PPP_PHASE_DISCONNECT 10
#define PPP_PHASE_HOLDOFF 11
#define PPP_PHASE_MASTER 12
/* Error codes. */
#define PPPERR_NONE 0 /* No error. */
#define PPPERR_PARAM 1 /* Invalid parameter. */
#define PPPERR_OPEN 2 /* Unable to open PPP session. */
#define PPPERR_DEVICE 3 /* Invalid I/O device for PPP. */
#define PPPERR_ALLOC 4 /* Unable to allocate resources. */
#define PPPERR_USER 5 /* User interrupt. */
#define PPPERR_CONNECT 6 /* Connection lost. */
#define PPPERR_AUTHFAIL 7 /* Failed authentication challenge. */
#define PPPERR_PROTOCOL 8 /* Failed to meet protocol. */
#define PPPERR_PEERDEAD 9 /* Connection timeout */
#define PPPERR_IDLETIMEOUT 10 /* Idle Timeout */
#define PPPERR_CONNECTTIME 11 /* Max connect time reached */
#define PPPERR_LOOPBACK 12 /* Loopback detected */
/* Whether auth support is enabled at all */
#define PPP_AUTH_SUPPORT (PAP_SUPPORT || CHAP_SUPPORT || EAP_SUPPORT)
/************************
*** PUBLIC DATA TYPES ***
************************/
/*
* Other headers require ppp_pcb definition for prototypes, but ppp_pcb
* require some structure definition from other headers as well, we are
* fixing the dependency loop here by declaring the ppp_pcb type then
* by including headers containing necessary struct definition for ppp_pcb
*/
typedef struct ppp_pcb_s ppp_pcb;
/* Type definitions for BSD code. */
#ifndef __u_char_defined
typedef unsigned long u_long;
typedef unsigned int u_int;
typedef unsigned short u_short;
typedef unsigned char u_char;
#endif
#include "fsm.h"
#include "lcp.h"
#if CCP_SUPPORT
#include "ccp.h"
#endif /* CCP_SUPPORT */
#if MPPE_SUPPORT
#include "mppe.h"
#endif /* MPPE_SUPPORT */
#if PPP_IPV4_SUPPORT
#include "ipcp.h"
#endif /* PPP_IPV4_SUPPORT */
#if PPP_IPV6_SUPPORT
#include "ipv6cp.h"
#endif /* PPP_IPV6_SUPPORT */
#if PAP_SUPPORT
#include "upap.h"
#endif /* PAP_SUPPORT */
#if CHAP_SUPPORT
#include "chap-new.h"
#endif /* CHAP_SUPPORT */
#if EAP_SUPPORT
#include "eap.h"
#endif /* EAP_SUPPORT */
#if VJ_SUPPORT
#include "vj.h"
#endif /* VJ_SUPPORT */
/* Link status callback function prototype */
typedef void (*ppp_link_status_cb_fn)(ppp_pcb *pcb, int err_code, void *ctx);
/*
* PPP configuration.
*/
typedef struct ppp_settings_s {
#if PPP_SERVER && PPP_AUTH_SUPPORT
unsigned int auth_required :1; /* Peer is required to authenticate */
unsigned int null_login :1; /* Username of "" and a password of "" are acceptable */
#endif /* PPP_SERVER && PPP_AUTH_SUPPORT */
#if PPP_REMOTENAME
unsigned int explicit_remote :1; /* remote_name specified with remotename opt */
#endif /* PPP_REMOTENAME */
#if PAP_SUPPORT
unsigned int refuse_pap :1; /* Don't proceed auth. with PAP */
#endif /* PAP_SUPPORT */
#if CHAP_SUPPORT
unsigned int refuse_chap :1; /* Don't proceed auth. with CHAP */
#endif /* CHAP_SUPPORT */
#if MSCHAP_SUPPORT
unsigned int refuse_mschap :1; /* Don't proceed auth. with MS-CHAP */
unsigned int refuse_mschap_v2 :1; /* Don't proceed auth. with MS-CHAPv2 */
#endif /* MSCHAP_SUPPORT */
#if EAP_SUPPORT
unsigned int refuse_eap :1; /* Don't proceed auth. with EAP */
#endif /* EAP_SUPPORT */
#if LWIP_DNS
unsigned int usepeerdns :1; /* Ask peer for DNS adds */
#endif /* LWIP_DNS */
unsigned int persist :1; /* Persist mode, always try to open the connection */
#if PRINTPKT_SUPPORT
unsigned int hide_password :1; /* Hide password in dumped packets */
#endif /* PRINTPKT_SUPPORT */
unsigned int noremoteip :1; /* Let him have no IP address */
unsigned int lax_recv :1; /* accept control chars in asyncmap */
unsigned int noendpoint :1; /* don't send/accept endpoint discriminator */
#if PPP_LCP_ADAPTIVE
unsigned int lcp_echo_adaptive :1; /* request echo only if the link was idle */
#endif /* PPP_LCP_ADAPTIVE */
#if MPPE_SUPPORT
unsigned int require_mppe :1; /* Require MPPE (Microsoft Point to Point Encryption) */
unsigned int refuse_mppe_40 :1; /* Allow MPPE 40-bit mode? */
unsigned int refuse_mppe_128 :1; /* Allow MPPE 128-bit mode? */
unsigned int refuse_mppe_stateful :1; /* Allow MPPE stateful mode? */
#endif /* MPPE_SUPPORT */
u16_t listen_time; /* time to listen first (ms), waiting for peer to send LCP packet */
#if PPP_IDLETIMELIMIT
u16_t idle_time_limit; /* Disconnect if idle for this many seconds */
#endif /* PPP_IDLETIMELIMIT */
#if PPP_MAXCONNECT
u32_t maxconnect; /* Maximum connect time (seconds) */
#endif /* PPP_MAXCONNECT */
#if PPP_AUTH_SUPPORT
/* auth data */
const char *user; /* Username for PAP */
const char *passwd; /* Password for PAP, secret for CHAP */
#if PPP_REMOTENAME
char remote_name[MAXNAMELEN + 1]; /* Peer's name for authentication */
#endif /* PPP_REMOTENAME */
#if PAP_SUPPORT
u8_t pap_timeout_time; /* Timeout (seconds) for auth-req retrans. */
u8_t pap_max_transmits; /* Number of auth-reqs sent */
#if PPP_SERVER
u8_t pap_req_timeout; /* Time to wait for auth-req from peer */
#endif /* PPP_SERVER */
#endif /* PAP_SUPPPORT */
#if CHAP_SUPPORT
u8_t chap_timeout_time; /* Timeout (seconds) for retransmitting req */
u8_t chap_max_transmits; /* max # times to send challenge */
#if PPP_SERVER
u8_t chap_rechallenge_time; /* Time to wait for auth-req from peer */
#endif /* PPP_SERVER */
#endif /* CHAP_SUPPPORT */
#if EAP_SUPPORT
u8_t eap_req_time; /* Time to wait (for retransmit/fail) */
u8_t eap_allow_req; /* Max Requests allowed */
#if PPP_SERVER
u8_t eap_timeout_time; /* Time to wait (for retransmit/fail) */
u8_t eap_max_transmits; /* Max Requests allowed */
#endif /* PPP_SERVER */
#endif /* EAP_SUPPORT */
#endif /* PPP_AUTH_SUPPORT */
u8_t fsm_timeout_time; /* Timeout time in seconds */
u8_t fsm_max_conf_req_transmits; /* Maximum Configure-Request transmissions */
u8_t fsm_max_term_transmits; /* Maximum Terminate-Request transmissions */
u8_t fsm_max_nak_loops; /* Maximum number of nak loops tolerated */
u8_t lcp_loopbackfail; /* Number of times we receive our magic number from the peer
before deciding the link is looped-back. */
u8_t lcp_echo_interval; /* Interval between LCP echo-requests */
u8_t lcp_echo_fails; /* Tolerance to unanswered echo-requests */
} ppp_settings;
#if PPP_SERVER
struct ppp_addrs {
#if PPP_IPV4_SUPPORT
ip4_addr_t our_ipaddr, his_ipaddr, netmask;
#if LWIP_DNS
ip4_addr_t dns1, dns2;
#endif /* LWIP_DNS */
#endif /* PPP_IPV4_SUPPORT */
#if PPP_IPV6_SUPPORT
ip6_addr_t our6_ipaddr, his6_ipaddr;
#endif /* PPP_IPV6_SUPPORT */
};
#endif /* PPP_SERVER */
/*
* PPP interface control block.
*/
struct ppp_pcb_s {
/* -- below are data that will NOT be cleared between two sessions */
ppp_settings settings;
const struct link_callbacks *link_cb;
void *link_ctx_cb;
void (*link_status_cb)(ppp_pcb *pcb, int err_code, void *ctx); /* Status change callback */
#if PPP_NOTIFY_PHASE
void (*notify_phase_cb)(ppp_pcb *pcb, u8_t phase, void *ctx); /* Notify phase callback */
#endif /* PPP_NOTIFY_PHASE */
void *ctx_cb; /* Callbacks optional pointer */
struct netif *netif; /* PPP interface */
/* -- below are data that will be cleared between two sessions */
/*
* phase must be the first member of cleared members, because it is used to know
* which part must not be cleared.
*/
u8_t phase; /* where the link is at */
u8_t err_code; /* Code indicating why interface is down. */
/* flags */
#if PPP_IPV4_SUPPORT
unsigned int ipcp_is_open :1; /* haven't called np_finished() */
unsigned int ipcp_is_up :1; /* have called ipcp_up() */
unsigned int if4_up :1; /* True when the IPv4 interface is up. */
#if 0 /* UNUSED - PROXY ARP */
unsigned int proxy_arp_set :1; /* Have created proxy arp entry */
#endif /* UNUSED - PROXY ARP */
#endif /* PPP_IPV4_SUPPORT */
#if PPP_IPV6_SUPPORT
unsigned int ipv6cp_is_up :1; /* have called ip6cp_up() */
unsigned int if6_up :1; /* True when the IPv6 interface is up. */
#endif /* PPP_IPV6_SUPPORT */
unsigned int lcp_echo_timer_running :1; /* set if a timer is running */
#if VJ_SUPPORT
unsigned int vj_enabled :1; /* Flag indicating VJ compression enabled. */
#endif /* VJ_SUPPORT */
#if CCP_SUPPORT
unsigned int ccp_all_rejected :1; /* we rejected all peer's options */
#endif /* CCP_SUPPORT */
#if MPPE_SUPPORT
unsigned int mppe_keys_set :1; /* Have the MPPE keys been set? */
#endif /* MPPE_SUPPORT */
#if PPP_AUTH_SUPPORT
/* auth data */
#if PPP_SERVER && defined(HAVE_MULTILINK)
char peer_authname[MAXNAMELEN + 1]; /* The name by which the peer authenticated itself to us. */
#endif /* PPP_SERVER && defined(HAVE_MULTILINK) */
u16_t auth_pending; /* Records which authentication operations haven't completed yet. */
u16_t auth_done; /* Records which authentication operations have been completed. */
#if PAP_SUPPORT
upap_state upap; /* PAP data */
#endif /* PAP_SUPPORT */
#if CHAP_SUPPORT
chap_client_state chap_client; /* CHAP client data */
#if PPP_SERVER
chap_server_state chap_server; /* CHAP server data */
#endif /* PPP_SERVER */
#endif /* CHAP_SUPPORT */
#if EAP_SUPPORT
eap_state eap; /* EAP data */
#endif /* EAP_SUPPORT */
#endif /* PPP_AUTH_SUPPORT */
fsm lcp_fsm; /* LCP fsm structure */
lcp_options lcp_wantoptions; /* Options that we want to request */
lcp_options lcp_gotoptions; /* Options that peer ack'd */
lcp_options lcp_allowoptions; /* Options we allow peer to request */
lcp_options lcp_hisoptions; /* Options that we ack'd */
u16_t peer_mru; /* currently negotiated peer MRU */
u8_t lcp_echos_pending; /* Number of outstanding echo msgs */
u8_t lcp_echo_number; /* ID number of next echo frame */
u8_t num_np_open; /* Number of network protocols which we have opened. */
u8_t num_np_up; /* Number of network protocols which have come up. */
#if VJ_SUPPORT
struct vjcompress vj_comp; /* Van Jacobson compression header. */
#endif /* VJ_SUPPORT */
#if CCP_SUPPORT
fsm ccp_fsm; /* CCP fsm structure */
ccp_options ccp_wantoptions; /* what to request the peer to use */
ccp_options ccp_gotoptions; /* what the peer agreed to do */
ccp_options ccp_allowoptions; /* what we'll agree to do */
ccp_options ccp_hisoptions; /* what we agreed to do */
u8_t ccp_localstate; /* Local state (mainly for handling reset-reqs and reset-acks). */
u8_t ccp_receive_method; /* Method chosen on receive path */
u8_t ccp_transmit_method; /* Method chosen on transmit path */
#if MPPE_SUPPORT
ppp_mppe_state mppe_comp; /* MPPE "compressor" structure */
ppp_mppe_state mppe_decomp; /* MPPE "decompressor" structure */
#endif /* MPPE_SUPPORT */
#endif /* CCP_SUPPORT */
#if PPP_IPV4_SUPPORT
fsm ipcp_fsm; /* IPCP fsm structure */
ipcp_options ipcp_wantoptions; /* Options that we want to request */
ipcp_options ipcp_gotoptions; /* Options that peer ack'd */
ipcp_options ipcp_allowoptions; /* Options we allow peer to request */
ipcp_options ipcp_hisoptions; /* Options that we ack'd */
#endif /* PPP_IPV4_SUPPORT */
#if PPP_IPV6_SUPPORT
fsm ipv6cp_fsm; /* IPV6CP fsm structure */
ipv6cp_options ipv6cp_wantoptions; /* Options that we want to request */
ipv6cp_options ipv6cp_gotoptions; /* Options that peer ack'd */
ipv6cp_options ipv6cp_allowoptions; /* Options we allow peer to request */
ipv6cp_options ipv6cp_hisoptions; /* Options that we ack'd */
#endif /* PPP_IPV6_SUPPORT */
};
/************************
*** PUBLIC FUNCTIONS ***
************************/
/*
* Set auth helper, optional, you can either fill ppp_pcb->settings.
*
* Warning: Using PPPAUTHTYPE_ANY might have security consequences.
* RFC 1994 says:
*
* In practice, within or associated with each PPP server, there is a
* database which associates "user" names with authentication
* information ("secrets"). It is not anticipated that a particular
* named user would be authenticated by multiple methods. This would
* make the user vulnerable to attacks which negotiate the least secure
* method from among a set (such as PAP rather than CHAP). If the same
* secret was used, PAP would reveal the secret to be used later with
* CHAP.
*
* Instead, for each user name there should be an indication of exactly
* one method used to authenticate that user name. If a user needs to
* make use of different authentication methods under different
* circumstances, then distinct user names SHOULD be employed, each of
* which identifies exactly one authentication method.
*
*/
#define PPPAUTHTYPE_NONE 0x00
#define PPPAUTHTYPE_PAP 0x01
#define PPPAUTHTYPE_CHAP 0x02
#define PPPAUTHTYPE_MSCHAP 0x04
#define PPPAUTHTYPE_MSCHAP_V2 0x08
#define PPPAUTHTYPE_EAP 0x10
#define PPPAUTHTYPE_ANY 0xff
void ppp_set_auth(ppp_pcb *pcb, u8_t authtype, const char *user, const char *passwd);
/*
* Set a PPP interface as the default network interface
* (used to output all packets for which no specific route is found).
*/
#define ppp_set_default(ppp) netif_set_default(ppp->netif)
#if PPP_NOTIFY_PHASE
/*
* Set a PPP notify phase callback.
*
* This can be used for example to set a LED pattern depending on the
* current phase of the PPP session.
*/
typedef void (*ppp_notify_phase_cb_fn)(ppp_pcb *pcb, u8_t phase, void *ctx);
void ppp_set_notify_phase_callback(ppp_pcb *pcb, ppp_notify_phase_cb_fn notify_phase_cb);
#endif /* PPP_NOTIFY_PHASE */
/*
* Initiate a PPP connection.
*
* This can only be called if PPP is in the dead phase.
*
* Holdoff is the time to wait (in seconds) before initiating
* the connection.
*
* If this port connects to a modem, the modem connection must be
* established before calling this.
*/
err_t ppp_connect(ppp_pcb *pcb, u16_t holdoff);
#if PPP_SERVER
/*
* Listen for an incoming PPP connection.
*
* This can only be called if PPP is in the dead phase.
*
* Local and remote interface IP addresses, as well as DNS are
* provided through a previously filled struct ppp_addrs.
*
* If this port connects to a modem, the modem connection must be
* established before calling this.
*/
err_t ppp_listen(ppp_pcb *pcb, struct ppp_addrs *addrs);
#endif /* PPP_SERVER */
/*
* Initiate the end of a PPP connection.
* Any outstanding packets in the queues are dropped.
*
* Setting nocarrier to 1 close the PPP connection without initiating the
* shutdown procedure. Always using nocarrier = 0 is still recommended,
* this is going to take a little longer time if your link is down, but
* is a safer choice for the PPP state machine.
*
* Return 0 on success, an error code on failure.
*/
err_t ppp_close(ppp_pcb *pcb, u8_t nocarrier);
/*
* Release the control block.
*
* This can only be called if PPP is in the dead phase.
*
* You must use ppp_close() before if you wish to terminate
* an established PPP session.
*
* Return 0 on success, an error code on failure.
*/
err_t ppp_free(ppp_pcb *pcb);
/*
* PPP IOCTL commands.
*
* Get the up status - 0 for down, non-zero for up. The argument must
* point to an int.
*/
#define PPPCTLG_UPSTATUS 0
/*
* Get the PPP error code. The argument must point to an int.
* Returns a PPPERR_* value.
*/
#define PPPCTLG_ERRCODE 1
/*
* Get the fd associated with a PPP over serial
*/
#define PPPCTLG_FD 2
/*
* Get and set parameters for the given connection.
* Return 0 on success, an error code on failure.
*/
err_t ppp_ioctl(ppp_pcb *pcb, u8_t cmd, void *arg);
/* Get the PPP netif interface */
#define ppp_netif(ppp) (ppp->netif)
/* Set an lwIP-style status-callback for the selected PPP device */
#define ppp_set_netif_statuscallback(ppp, status_cb) \
netif_set_status_callback(ppp->netif, status_cb);
/* Set an lwIP-style link-callback for the selected PPP device */
#define ppp_set_netif_linkcallback(ppp, link_cb) \
netif_set_link_callback(ppp->netif, link_cb);
#endif /* PPP_H */
#endif /* PPP_SUPPORT */

632
components/lwip/include/lwip/netif/ppp/ppp_impl.h
View File

@@ -1,632 +0,0 @@
/*****************************************************************************
* ppp.h - Network Point to Point Protocol header file.
*
* Copyright (c) 2003 by Marc Boucher, Services Informatiques (MBSI) inc.
* portions Copyright (c) 1997 Global Election Systems Inc.
*
* The authors hereby grant permission to use, copy, modify, distribute,
* and license this software and its documentation for any purpose, provided
* that existing copyright notices are retained in all copies and that this
* notice and the following disclaimer are included verbatim in any
* distributions. No written agreement, license, or royalty fee is required
* for any of the authorized uses.
*
* THIS SOFTWARE IS PROVIDED BY THE CONTRIBUTORS *AS IS* AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
******************************************************************************
* REVISION HISTORY
*
* 03-01-01 Marc Boucher <marc@mbsi.ca>
* Ported to lwIP.
* 97-11-05 Guy Lancaster <glanca@gesn.com>, Global Election Systems Inc.
* Original derived from BSD codes.
*****************************************************************************/
#ifndef LWIP_HDR_PPP_IMPL_H
#define LWIP_HDR_PPP_IMPL_H
#include "lwip/opt.h"
#if PPP_SUPPORT /* don't build if not configured for use in lwipopts.h */
#ifdef PPP_INCLUDE_SETTINGS_HEADER
#include "ppp_settings.h"
#endif
#include <stdio.h> /* formats */
#include <stdarg.h>
#include <string.h>
#include <stdlib.h> /* strtol() */
#include "lwip/netif.h"
#include "lwip/def.h"
#include "lwip/timers.h"
#include "ppp.h"
#include "pppdebug.h"
/*
* Memory used for control packets.
*
* PPP_CTRL_PBUF_MAX_SIZE is the amount of memory we allocate when we
* cannot figure out how much we are going to use before filling the buffer.
*/
#if PPP_USE_PBUF_RAM
#define PPP_CTRL_PBUF_TYPE PBUF_RAM
#define PPP_CTRL_PBUF_MAX_SIZE 512
#else /* PPP_USE_PBUF_RAM */
#define PPP_CTRL_PBUF_TYPE PBUF_POOL
#define PPP_CTRL_PBUF_MAX_SIZE PBUF_POOL_BUFSIZE
#endif /* PPP_USE_PBUF_RAM */
/*
* The basic PPP frame.
*/
#define PPP_ADDRESS(p) (((u_char *)(p))[0])
#define PPP_CONTROL(p) (((u_char *)(p))[1])
#define PPP_PROTOCOL(p) ((((u_char *)(p))[2] << 8) + ((u_char *)(p))[3])
/*
* Significant octet values.
*/
#define PPP_ALLSTATIONS 0xff /* All-Stations broadcast address */
#define PPP_UI 0x03 /* Unnumbered Information */
#define PPP_FLAG 0x7e /* Flag Sequence */
#define PPP_ESCAPE 0x7d /* Asynchronous Control Escape */
#define PPP_TRANS 0x20 /* Asynchronous transparency modifier */
/*
* Protocol field values.
*/
#define PPP_IP 0x21 /* Internet Protocol */
#if 0 /* UNUSED */
#define PPP_AT 0x29 /* AppleTalk Protocol */
#define PPP_IPX 0x2b /* IPX protocol */
#endif /* UNUSED */
#if VJ_SUPPORT
#define PPP_VJC_COMP 0x2d /* VJ compressed TCP */
#define PPP_VJC_UNCOMP 0x2f /* VJ uncompressed TCP */
#endif /* VJ_SUPPORT */
#if PPP_IPV6_SUPPORT
#define PPP_IPV6 0x57 /* Internet Protocol Version 6 */
#endif /* PPP_IPV6_SUPPORT */
#if CCP_SUPPORT
#define PPP_COMP 0xfd /* compressed packet */
#endif /* CCP_SUPPORT */
#define PPP_IPCP 0x8021 /* IP Control Protocol */
#if 0 /* UNUSED */
#define PPP_ATCP 0x8029 /* AppleTalk Control Protocol */
#define PPP_IPXCP 0x802b /* IPX Control Protocol */
#endif /* UNUSED */
#if PPP_IPV6_SUPPORT
#define PPP_IPV6CP 0x8057 /* IPv6 Control Protocol */
#endif /* PPP_IPV6_SUPPORT */
#if CCP_SUPPORT
#define PPP_CCP 0x80fd /* Compression Control Protocol */
#endif /* CCP_SUPPORT */
#if ECP_SUPPORT
#define PPP_ECP 0x8053 /* Encryption Control Protocol */
#endif /* ECP_SUPPORT */
#define PPP_LCP 0xc021 /* Link Control Protocol */
#if PAP_SUPPORT
#define PPP_PAP 0xc023 /* Password Authentication Protocol */
#endif /* PAP_SUPPORT */
#if LQR_SUPPORT
#define PPP_LQR 0xc025 /* Link Quality Report protocol */
#endif /* LQR_SUPPORT */
#if CHAP_SUPPORT
#define PPP_CHAP 0xc223 /* Cryptographic Handshake Auth. Protocol */
#endif /* CHAP_SUPPORT */
#if CBCP_SUPPORT
#define PPP_CBCP 0xc029 /* Callback Control Protocol */
#endif /* CBCP_SUPPORT */
#if EAP_SUPPORT
#define PPP_EAP 0xc227 /* Extensible Authentication Protocol */
#endif /* EAP_SUPPORT */
/*
* The following struct gives the addresses of procedures to call
* for a particular lower link level protocol.
*/
struct link_callbacks {
/* Start a connection (e.g. Initiate discovery phase) */
err_t (*connect) (ppp_pcb *pcb, void *ctx);
#if PPP_SERVER
/* Listen for an incoming connection (Passive mode) */
err_t (*listen) (ppp_pcb *pcb, void *ctx, struct ppp_addrs *addrs);
#endif /* PPP_SERVER */
/* End a connection (i.e. initiate disconnect phase) */
void (*disconnect) (ppp_pcb *pcb, void *ctx);
/* Free lower protocol control block */
err_t (*free) (ppp_pcb *pcb, void *ctx);
/* Write a pbuf to a ppp link, only used from PPP functions to send PPP packets. */
err_t (*write)(ppp_pcb *pcb, void *ctx, struct pbuf *p);
/* Send a packet from lwIP core (IPv4 or IPv6) */
err_t (*netif_output)(ppp_pcb *pcb, void *ctx, struct pbuf *p, u_short protocol);
/* configure the transmit-side characteristics of the PPP interface */
void (*send_config)(ppp_pcb *pcb, void *ctx, u32_t accm, int pcomp, int accomp);
/* confire the receive-side characteristics of the PPP interface */
void (*recv_config)(ppp_pcb *pcb, void *ctx, u32_t accm, int pcomp, int accomp);
};
/*
* What to do with network protocol (NP) packets.
*/
enum NPmode {
NPMODE_PASS, /* pass the packet through */
NPMODE_DROP, /* silently drop the packet */
NPMODE_ERROR, /* return an error */
NPMODE_QUEUE /* save it up for later. */
};
/*
* Statistics.
*/
#if PPP_STATS_SUPPORT
struct pppstat {
unsigned int ppp_ibytes; /* bytes received */
unsigned int ppp_ipackets; /* packets received */
unsigned int ppp_ierrors; /* receive errors */
unsigned int ppp_obytes; /* bytes sent */
unsigned int ppp_opackets; /* packets sent */
unsigned int ppp_oerrors; /* transmit errors */
};
#if VJ_SUPPORT
struct vjstat {
unsigned int vjs_packets; /* outbound packets */
unsigned int vjs_compressed; /* outbound compressed packets */
unsigned int vjs_searches; /* searches for connection state */
unsigned int vjs_misses; /* times couldn't find conn. state */
unsigned int vjs_uncompressedin; /* inbound uncompressed packets */
unsigned int vjs_compressedin; /* inbound compressed packets */
unsigned int vjs_errorin; /* inbound unknown type packets */
unsigned int vjs_tossed; /* inbound packets tossed because of error */
};
#endif /* VJ_SUPPORT */
struct ppp_stats {
struct pppstat p; /* basic PPP statistics */
#if VJ_SUPPORT
struct vjstat vj; /* VJ header compression statistics */
#endif /* VJ_SUPPORT */
};
#if CCP_SUPPORT
struct compstat {
unsigned int unc_bytes; /* total uncompressed bytes */
unsigned int unc_packets; /* total uncompressed packets */
unsigned int comp_bytes; /* compressed bytes */
unsigned int comp_packets; /* compressed packets */
unsigned int inc_bytes; /* incompressible bytes */
unsigned int inc_packets; /* incompressible packets */
unsigned int ratio; /* recent compression ratio << 8 */
};
struct ppp_comp_stats {
struct compstat c; /* packet compression statistics */
struct compstat d; /* packet decompression statistics */
};
#endif /* CCP_SUPPORT */
#endif /* PPP_STATS_SUPPORT */
#if PPP_IDLETIMELIMIT
/*
* The following structure records the time in seconds since
* the last NP packet was sent or received.
*/
struct ppp_idle {
time_t xmit_idle; /* time since last NP packet sent */
time_t recv_idle; /* time since last NP packet received */
};
#endif /* PPP_IDLETIMELIMIT */
/* values for epdisc.class */
#define EPD_NULL 0 /* null discriminator, no data */
#define EPD_LOCAL 1
#define EPD_IP 2
#define EPD_MAC 3
#define EPD_MAGIC 4
#define EPD_PHONENUM 5
/*
* Global variables.
*/
#ifdef HAVE_MULTILINK
extern u8_t multilink; /* enable multilink operation */
extern u8_t doing_multilink;
extern u8_t multilink_master;
extern u8_t bundle_eof;
extern u8_t bundle_terminating;
#endif
#ifdef MAXOCTETS
extern unsigned int maxoctets; /* Maximum octetes per session (in bytes) */
extern int maxoctets_dir; /* Direction :
0 - in+out (default)
1 - in
2 - out
3 - max(in,out) */
extern int maxoctets_timeout; /* Timeout for check of octets limit */
#define PPP_OCTETS_DIRECTION_SUM 0
#define PPP_OCTETS_DIRECTION_IN 1
#define PPP_OCTETS_DIRECTION_OUT 2
#define PPP_OCTETS_DIRECTION_MAXOVERAL 3
/* same as previos, but little different on RADIUS side */
#define PPP_OCTETS_DIRECTION_MAXSESSION 4
#endif
/* Data input may be used by CCP and ECP, remove this entry
* from struct protent to save some flash
*/
#define PPP_DATAINPUT 0
/*
* The following struct gives the addresses of procedures to call
* for a particular protocol.
*/
struct protent {
u_short protocol; /* PPP protocol number */
/* Initialization procedure */
void (*init) (ppp_pcb *pcb);
/* Process a received packet */
void (*input) (ppp_pcb *pcb, u_char *pkt, int len);
/* Process a received protocol-reject */
void (*protrej) (ppp_pcb *pcb);
/* Lower layer has come up */
void (*lowerup) (ppp_pcb *pcb);
/* Lower layer has gone down */
void (*lowerdown) (ppp_pcb *pcb);
/* Open the protocol */
void (*open) (ppp_pcb *pcb);
/* Close the protocol */
void (*close) (ppp_pcb *pcb, const char *reason);
#if PRINTPKT_SUPPORT
/* Print a packet in readable form */
int (*printpkt) (const u_char *pkt, int len,
void (*printer) (void *, const char *, ...),
void *arg);
#endif /* PRINTPKT_SUPPORT */
#if PPP_DATAINPUT
/* Process a received data packet */
void (*datainput) (ppp_pcb *pcb, u_char *pkt, int len);
#endif /* PPP_DATAINPUT */
#if PRINTPKT_SUPPORT
const char *name; /* Text name of protocol */
const char *data_name; /* Text name of corresponding data protocol */
#endif /* PRINTPKT_SUPPORT */
#if PPP_OPTIONS
option_t *options; /* List of command-line options */
/* Check requested options, assign defaults */
void (*check_options) (void);
#endif /* PPP_OPTIONS */
#if DEMAND_SUPPORT
/* Configure interface for demand-dial */
int (*demand_conf) (int unit);
/* Say whether to bring up link for this pkt */
int (*active_pkt) (u_char *pkt, int len);
#endif /* DEMAND_SUPPORT */
};
/* Table of pointers to supported protocols */
extern const struct protent* const protocols[];
/* Values for auth_pending, auth_done */
#if PAP_SUPPORT
#define PAP_WITHPEER 0x1
#define PAP_PEER 0x2
#endif /* PAP_SUPPORT */
#if CHAP_SUPPORT
#define CHAP_WITHPEER 0x4
#define CHAP_PEER 0x8
#endif /* CHAP_SUPPORT */
#if EAP_SUPPORT
#define EAP_WITHPEER 0x10
#define EAP_PEER 0x20
#endif /* EAP_SUPPORT */
/* Values for auth_done only */
#if CHAP_SUPPORT
#define CHAP_MD5_WITHPEER 0x40
#define CHAP_MD5_PEER 0x80
#if MSCHAP_SUPPORT
#define CHAP_MS_SHIFT 8 /* LSB position for MS auths */
#define CHAP_MS_WITHPEER 0x100
#define CHAP_MS_PEER 0x200
#define CHAP_MS2_WITHPEER 0x400
#define CHAP_MS2_PEER 0x800
#endif /* MSCHAP_SUPPORT */
#endif /* CHAP_SUPPORT */
/* Supported CHAP protocols */
#if CHAP_SUPPORT
#if MSCHAP_SUPPORT
#define CHAP_MDTYPE_SUPPORTED (MDTYPE_MICROSOFT_V2 | MDTYPE_MICROSOFT | MDTYPE_MD5)
#else /* MSCHAP_SUPPORT */
#define CHAP_MDTYPE_SUPPORTED (MDTYPE_MD5)
#endif /* MSCHAP_SUPPORT */
#else /* CHAP_SUPPORT */
#define CHAP_MDTYPE_SUPPORTED (MDTYPE_NONE)
#endif /* CHAP_SUPPORT */
#if PPP_STATS_SUPPORT
/*
* PPP statistics structure
*/
struct pppd_stats {
unsigned int bytes_in;
unsigned int bytes_out;
unsigned int pkts_in;
unsigned int pkts_out;
};
#endif /* PPP_STATS_SUPPORT */
/*
* PPP private functions
*/
/*
* Functions called from lwIP core.
*/
/* initialize the PPP subsystem */
int ppp_init(void);
/*
* Functions called from PPP link protocols.
*/
/* Create a new PPP control block */
ppp_pcb *ppp_new(struct netif *pppif, const struct link_callbacks *callbacks, void *link_ctx_cb,
ppp_link_status_cb_fn link_status_cb, void *ctx_cb);
/* Set a PPP PCB to its initial state */
void ppp_clear(ppp_pcb *pcb);
/* Initiate LCP open request */
void ppp_start(ppp_pcb *pcb);
/* Called when link failed to setup */
void ppp_link_failed(ppp_pcb *pcb);
/* Called when link is normally down (i.e. it was asked to end) */
void ppp_link_end(ppp_pcb *pcb);
/* function called to process input packet */
void ppp_input(ppp_pcb *pcb, struct pbuf *pb);
/* helper function, merge a pbuf chain into one pbuf */
struct pbuf *ppp_singlebuf(struct pbuf *p);
/*
* Functions called by PPP protocols.
*/
/* function called by all PPP subsystems to send packets */
err_t ppp_write(ppp_pcb *pcb, struct pbuf *p);
/* functions called by auth.c link_terminated() */
void ppp_link_terminated(ppp_pcb *pcb);
void new_phase(ppp_pcb *pcb, int p);
int ppp_send_config(ppp_pcb *pcb, int mtu, u32_t accm, int pcomp, int accomp);
int ppp_recv_config(ppp_pcb *pcb, int mru, u32_t accm, int pcomp, int accomp);
#if PPP_IPV4_SUPPORT
int sifaddr(ppp_pcb *pcb, u32_t our_adr, u32_t his_adr, u32_t netmask);
int cifaddr(ppp_pcb *pcb, u32_t our_adr, u32_t his_adr);
#if 0 /* UNUSED - PROXY ARP */
int sifproxyarp(ppp_pcb *pcb, u32_t his_adr);
int cifproxyarp(ppp_pcb *pcb, u32_t his_adr);
#endif /* UNUSED - PROXY ARP */
#if LWIP_DNS
int sdns(ppp_pcb *pcb, u32_t ns1, u32_t ns2);
int cdns(ppp_pcb *pcb, u32_t ns1, u32_t ns2);
#endif /* LWIP_DNS */
#if VJ_SUPPORT
int sifvjcomp(ppp_pcb *pcb, int vjcomp, int cidcomp, int maxcid);
#endif /* VJ_SUPPORT */
int sifup(ppp_pcb *pcb);
int sifdown (ppp_pcb *pcb);
u32_t get_mask(u32_t addr);
#endif /* PPP_IPV4_SUPPORT */
#if PPP_IPV6_SUPPORT
int sif6addr(ppp_pcb *pcb, eui64_t our_eui64, eui64_t his_eui64);
int cif6addr(ppp_pcb *pcb, eui64_t our_eui64, eui64_t his_eui64);
int sif6up(ppp_pcb *pcb);
int sif6down (ppp_pcb *pcb);
#endif /* PPP_IPV6_SUPPORT */
#if DEMAND_SUPPORT
int sifnpmode(ppp_pcb *pcb, int proto, enum NPmode mode);
#endif /* DEMAND_SUPPORt */
void netif_set_mtu(ppp_pcb *pcb, int mtu);
int netif_get_mtu(ppp_pcb *pcb);
#if CCP_SUPPORT
#if 0 /* unused */
int ccp_test(ppp_pcb *pcb, u_char *opt_ptr, int opt_len, int for_transmit);
#endif /* unused */
void ccp_set(ppp_pcb *pcb, u8_t isopen, u8_t isup, u8_t receive_method, u8_t transmit_method);
void ccp_reset_comp(ppp_pcb *pcb);
void ccp_reset_decomp(ppp_pcb *pcb);
#if 0 /* unused */
int ccp_fatal_error(ppp_pcb *pcb);
#endif /* unused */
#endif /* CCP_SUPPORT */
#if PPP_IDLETIMELIMIT
int get_idle_time(ppp_pcb *pcb, struct ppp_idle *ip);
#endif /* PPP_IDLETIMELIMIT */
#if DEMAND_SUPPORT
int get_loop_output(void);
#endif /* DEMAND_SUPPORT */
/* Optional protocol names list, to make our messages a little more informative. */
#if PPP_PROTOCOLNAME
const char * protocol_name(int proto);
#endif /* PPP_PROTOCOLNAME */
/* Optional stats support, to get some statistics on the PPP interface */
#if PPP_STATS_SUPPORT
void print_link_stats(void); /* Print stats, if available */
void reset_link_stats(int u); /* Reset (init) stats when link goes up */
void update_link_stats(int u); /* Get stats at link termination */
#endif /* PPP_STATS_SUPPORT */
/*
* Inline versions of get/put char/short/long.
* Pointer is advanced; we assume that both arguments
* are lvalues and will already be in registers.
* cp MUST be u_char *.
*/
#define GETCHAR(c, cp) { \
(c) = *(cp)++; \
}
#define PUTCHAR(c, cp) { \
*(cp)++ = (u_char) (c); \
}
#define GETSHORT(s, cp) { \
(s) = *(cp)++ << 8; \
(s) |= *(cp)++; \
}
#define PUTSHORT(s, cp) { \
*(cp)++ = (u_char) ((s) >> 8); \
*(cp)++ = (u_char) (s); \
}
#define GETLONG(l, cp) { \
(l) = *(cp)++ << 8; \
(l) |= *(cp)++; (l) <<= 8; \
(l) |= *(cp)++; (l) <<= 8; \
(l) |= *(cp)++; \
}
#define PUTLONG(l, cp) { \
*(cp)++ = (u_char) ((l) >> 24); \
*(cp)++ = (u_char) ((l) >> 16); \
*(cp)++ = (u_char) ((l) >> 8); \
*(cp)++ = (u_char) (l); \
}
#define INCPTR(n, cp) ((cp) += (n))
#define DECPTR(n, cp) ((cp) -= (n))
/*
* System dependent definitions for user-level 4.3BSD UNIX implementation.
*/
#define TIMEOUT(f, a, t) do { sys_untimeout((f), (a)); sys_timeout((t)*1000, (f), (a)); } while(0)
#define TIMEOUTMS(f, a, t) do { sys_untimeout((f), (a)); sys_timeout((t), (f), (a)); } while(0)
#define UNTIMEOUT(f, a) sys_untimeout((f), (a))
#define BZERO(s, n) memset(s, 0, n)
#define BCMP(s1, s2, l) memcmp(s1, s2, l)
#define PRINTMSG(m, l) { ppp_info("Remote message: %0.*v", l, m); }
/*
* MAKEHEADER - Add Header fields to a packet.
*/
#define MAKEHEADER(p, t) { \
PUTCHAR(PPP_ALLSTATIONS, p); \
PUTCHAR(PPP_UI, p); \
PUTSHORT(t, p); }
/* Procedures exported from auth.c */
void link_required(ppp_pcb *pcb); /* we are starting to use the link */
void link_terminated(ppp_pcb *pcb); /* we are finished with the link */
void link_down(ppp_pcb *pcb); /* the LCP layer has left the Opened state */
void upper_layers_down(ppp_pcb *pcb); /* take all NCPs down */
void link_established(ppp_pcb *pcb); /* the link is up; authenticate now */
void start_networks(ppp_pcb *pcb); /* start all the network control protos */
void continue_networks(ppp_pcb *pcb); /* start network [ip, etc] control protos */
#if PPP_AUTH_SUPPORT
#if PPP_SERVER
int auth_check_passwd(ppp_pcb *pcb, char *auser, int userlen, char *apasswd, int passwdlen, const char **msg, int *msglen);
/* check the user name and passwd against configuration */
void auth_peer_fail(ppp_pcb *pcb, int protocol);
/* peer failed to authenticate itself */
void auth_peer_success(ppp_pcb *pcb, int protocol, int prot_flavor, const char *name, int namelen);
/* peer successfully authenticated itself */
#endif /* PPP_SERVER */
void auth_withpeer_fail(ppp_pcb *pcb, int protocol);
/* we failed to authenticate ourselves */
void auth_withpeer_success(ppp_pcb *pcb, int protocol, int prot_flavor);
/* we successfully authenticated ourselves */
#endif /* PPP_AUTH_SUPPORT */
void np_up(ppp_pcb *pcb, int proto); /* a network protocol has come up */
void np_down(ppp_pcb *pcb, int proto); /* a network protocol has gone down */
void np_finished(ppp_pcb *pcb, int proto); /* a network protocol no longer needs link */
#if PPP_AUTH_SUPPORT
int get_secret(ppp_pcb *pcb, const char *client, const char *server, char *secret, int *secret_len, int am_server);
/* get "secret" for chap */
#endif /* PPP_AUTH_SUPPORT */
/* Procedures exported from ipcp.c */
/* int parse_dotted_ip (char *, u32_t *); */
/* Procedures exported from demand.c */
#if DEMAND_SUPPORT
void demand_conf (void); /* config interface(s) for demand-dial */
void demand_block (void); /* set all NPs to queue up packets */
void demand_unblock (void); /* set all NPs to pass packets */
void demand_discard (void); /* set all NPs to discard packets */
void demand_rexmit (int, u32_t); /* retransmit saved frames for an NP*/
int loop_chars (unsigned char *, int); /* process chars from loopback */
int loop_frame (unsigned char *, int); /* should we bring link up? */
#endif /* DEMAND_SUPPORT */
/* Procedures exported from multilink.c */
#ifdef HAVE_MULTILINK
void mp_check_options (void); /* Check multilink-related options */
int mp_join_bundle (void); /* join our link to an appropriate bundle */
void mp_exit_bundle (void); /* have disconnected our link from bundle */
void mp_bundle_terminated (void);
char *epdisc_to_str (struct epdisc *); /* string from endpoint discrim. */
int str_to_epdisc (struct epdisc *, char *); /* endpt disc. from str */
#else
#define mp_bundle_terminated() /* nothing */
#define mp_exit_bundle() /* nothing */
#define doing_multilink 0
#define multilink_master 0
#endif
/* Procedures exported from utils.c. */
void ppp_print_string(const u_char *p, int len, void (*printer) (void *, const char *, ...), void *arg); /* Format a string for output */
int ppp_slprintf(char *buf, int buflen, const char *fmt, ...); /* sprintf++ */
int ppp_vslprintf(char *buf, int buflen, const char *fmt, va_list args); /* vsprintf++ */
size_t ppp_strlcpy(char *dest, const char *src, size_t len); /* safe strcpy */
size_t ppp_strlcat(char *dest, const char *src, size_t len); /* safe strncpy */
void ppp_dbglog(const char *fmt, ...); /* log a debug message */
void ppp_info(const char *fmt, ...); /* log an informational message */
void ppp_notice(const char *fmt, ...); /* log a notice-level message */
void ppp_warn(const char *fmt, ...); /* log a warning message */
void ppp_error(const char *fmt, ...); /* log an error message */
void ppp_fatal(const char *fmt, ...); /* log an error message and die(1) */
#if PRINTPKT_SUPPORT
void ppp_dump_packet(const char *tag, unsigned char *p, int len);
/* dump packet to debug log if interesting */
#endif /* PRINTPKT_SUPPORT */
#endif /* PPP_SUPPORT */
#endif /* LWIP_HDR_PPP_IMPL_H */

43
components/lwip/include/lwip/netif/ppp/pppcrypt.h
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@@ -1,43 +0,0 @@
/*
* pppcrypt.c - PPP/DES linkage for MS-CHAP and EAP SRP-SHA1
*
* Extracted from chap_ms.c by James Carlson.
*
* Copyright (c) 1995 Eric Rosenquist. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The name(s) of the authors of this software must not be used to
* endorse or promote products derived from this software without
* prior written permission.
*
* THE AUTHORS OF THIS SOFTWARE DISCLAIM ALL WARRANTIES WITH REGARD TO
* THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
* AND FITNESS, IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY
* SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
* AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include "lwip/opt.h"
#if PPP_SUPPORT && MSCHAP_SUPPORT /* don't build if not configured for use in lwipopts.h */
#ifndef PPPCRYPT_H
#define PPPCRYPT_H
void pppcrypt_56_to_64_bit_key(u_char *key, u_char *des_key);
#endif /* PPPCRYPT_H */
#endif /* PPP_SUPPORT && MSCHAP_SUPPORT */

80
components/lwip/include/lwip/netif/ppp/pppdebug.h
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@@ -1,80 +0,0 @@
/*****************************************************************************
* pppdebug.h - System debugging utilities.
*
* Copyright (c) 2003 by Marc Boucher, Services Informatiques (MBSI) inc.
* portions Copyright (c) 1998 Global Election Systems Inc.
* portions Copyright (c) 2001 by Cognizant Pty Ltd.
*
* The authors hereby grant permission to use, copy, modify, distribute,
* and license this software and its documentation for any purpose, provided
* that existing copyright notices are retained in all copies and that this
* notice and the following disclaimer are included verbatim in any
* distributions. No written agreement, license, or royalty fee is required
* for any of the authorized uses.
*
* THIS SOFTWARE IS PROVIDED BY THE CONTRIBUTORS *AS IS* AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
******************************************************************************
* REVISION HISTORY (please don't use tabs!)
*
* 03-01-01 Marc Boucher <marc@mbsi.ca>
* Ported to lwIP.
* 98-07-29 Guy Lancaster <lancasterg@acm.org>, Global Election Systems Inc.
* Original.
*
*****************************************************************************
*/
#include "lwip/opt.h"
#if PPP_SUPPORT /* don't build if not configured for use in lwipopts.h */
#ifndef PPPDEBUG_H
#define PPPDEBUG_H
/* Trace levels. */
#define LOG_CRITICAL (PPP_DEBUG | LWIP_DBG_LEVEL_SEVERE)
#define LOG_ERR (PPP_DEBUG | LWIP_DBG_LEVEL_SEVERE)
#define LOG_NOTICE (PPP_DEBUG | LWIP_DBG_LEVEL_WARNING)
#define LOG_WARNING (PPP_DEBUG | LWIP_DBG_LEVEL_WARNING)
#define LOG_INFO (PPP_DEBUG)
#define LOG_DETAIL (PPP_DEBUG)
#define LOG_DEBUG (PPP_DEBUG)
#if PPP_DEBUG
#define MAINDEBUG(a) LWIP_DEBUGF(LWIP_DBG_LEVEL_WARNING, a)
#define SYSDEBUG(a) LWIP_DEBUGF(LWIP_DBG_LEVEL_WARNING, a)
#define FSMDEBUG(a) LWIP_DEBUGF(LWIP_DBG_LEVEL_WARNING, a)
#define LCPDEBUG(a) LWIP_DEBUGF(LWIP_DBG_LEVEL_WARNING, a)
#define IPCPDEBUG(a) LWIP_DEBUGF(LWIP_DBG_LEVEL_WARNING, a)
#define IPV6CPDEBUG(a) LWIP_DEBUGF(LWIP_DBG_LEVEL_WARNING, a)
#define UPAPDEBUG(a) LWIP_DEBUGF(LWIP_DBG_LEVEL_WARNING, a)
#define CHAPDEBUG(a) LWIP_DEBUGF(LWIP_DBG_LEVEL_WARNING, a)
#define PPPDEBUG(a, b) LWIP_DEBUGF(a, b)
#else /* PPP_DEBUG */
#define MAINDEBUG(a)
#define SYSDEBUG(a)
#define FSMDEBUG(a)
#define LCPDEBUG(a)
#define IPCPDEBUG(a)
#define IPV6CPDEBUG(a)
#define UPAPDEBUG(a)
#define CHAPDEBUG(a)
#define PPPDEBUG(a, b)
#endif /* PPP_DEBUG */
#endif /* PPPDEBUG_H */
#endif /* PPP_SUPPORT */

179
components/lwip/include/lwip/netif/ppp/pppoe.h
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@@ -1,179 +0,0 @@
/*****************************************************************************
* pppoe.h - PPP Over Ethernet implementation for lwIP.
*
* Copyright (c) 2006 by Marc Boucher, Services Informatiques (MBSI) inc.
*
* The authors hereby grant permission to use, copy, modify, distribute,
* and license this software and its documentation for any purpose, provided
* that existing copyright notices are retained in all copies and that this
* notice and the following disclaimer are included verbatim in any
* distributions. No written agreement, license, or royalty fee is required
* for any of the authorized uses.
*
* THIS SOFTWARE IS PROVIDED BY THE CONTRIBUTORS *AS IS* AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
******************************************************************************
* REVISION HISTORY
*
* 06-01-01 Marc Boucher <marc@mbsi.ca>
* Ported to lwIP.
*****************************************************************************/
/* based on NetBSD: if_pppoe.c,v 1.64 2006/01/31 23:50:15 martin Exp */
/*-
* Copyright (c) 2002 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Martin Husemann <martin@NetBSD.org>.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the NetBSD
* Foundation, Inc. and its contributors.
* 4. Neither the name of The NetBSD Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include "lwip/opt.h"
#if PPP_SUPPORT && PPPOE_SUPPORT /* don't build if not configured for use in lwipopts.h */
#ifndef PPP_OE_H
#define PPP_OE_H
#include "ppp.h"
#include "netif/etharp.h"
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/bpstruct.h"
#endif
PACK_STRUCT_BEGIN
struct pppoehdr {
PACK_STRUCT_FLD_8(u8_t vertype);
PACK_STRUCT_FLD_8(u8_t code);
PACK_STRUCT_FIELD(u16_t session);
PACK_STRUCT_FIELD(u16_t plen);
} PACK_STRUCT_STRUCT;
PACK_STRUCT_END
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/epstruct.h"
#endif
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/bpstruct.h"
#endif
PACK_STRUCT_BEGIN
struct pppoetag {
PACK_STRUCT_FIELD(u16_t tag);
PACK_STRUCT_FIELD(u16_t len);
} PACK_STRUCT_STRUCT;
PACK_STRUCT_END
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/epstruct.h"
#endif
#define PPPOE_STATE_INITIAL 0
#define PPPOE_STATE_PADI_SENT 1
#define PPPOE_STATE_PADR_SENT 2
#define PPPOE_STATE_SESSION 3
/* passive */
#define PPPOE_STATE_PADO_SENT 1
#define PPPOE_HEADERLEN sizeof(struct pppoehdr)
#define PPPOE_VERTYPE 0x11 /* VER=1, TYPE = 1 */
#define PPPOE_TAG_EOL 0x0000 /* end of list */
#define PPPOE_TAG_SNAME 0x0101 /* service name */
#define PPPOE_TAG_ACNAME 0x0102 /* access concentrator name */
#define PPPOE_TAG_HUNIQUE 0x0103 /* host unique */
#define PPPOE_TAG_ACCOOKIE 0x0104 /* AC cookie */
#define PPPOE_TAG_VENDOR 0x0105 /* vendor specific */
#define PPPOE_TAG_RELAYSID 0x0110 /* relay session id */
#define PPPOE_TAG_SNAME_ERR 0x0201 /* service name error */
#define PPPOE_TAG_ACSYS_ERR 0x0202 /* AC system error */
#define PPPOE_TAG_GENERIC_ERR 0x0203 /* gerneric error */
#define PPPOE_CODE_PADI 0x09 /* Active Discovery Initiation */
#define PPPOE_CODE_PADO 0x07 /* Active Discovery Offer */
#define PPPOE_CODE_PADR 0x19 /* Active Discovery Request */
#define PPPOE_CODE_PADS 0x65 /* Active Discovery Session confirmation */
#define PPPOE_CODE_PADT 0xA7 /* Active Discovery Terminate */
#ifndef PPPOE_MAX_AC_COOKIE_LEN
#define PPPOE_MAX_AC_COOKIE_LEN 64
#endif
struct pppoe_softc {
struct pppoe_softc *next;
struct netif *sc_ethif; /* ethernet interface we are using */
ppp_pcb *pcb; /* PPP PCB */
struct eth_addr sc_dest; /* hardware address of concentrator */
u16_t sc_session; /* PPPoE session id */
u8_t sc_state; /* discovery phase or session connected */
#ifdef PPPOE_TODO
u8_t *sc_service_name; /* if != NULL: requested name of service */
u8_t *sc_concentrator_name; /* if != NULL: requested concentrator id */
#endif /* PPPOE_TODO */
u8_t sc_ac_cookie[PPPOE_MAX_AC_COOKIE_LEN]; /* content of AC cookie we must echo back */
u8_t sc_ac_cookie_len; /* length of cookie data */
#ifdef PPPOE_SERVER
u8_t *sc_hunique; /* content of host unique we must echo back */
u8_t sc_hunique_len; /* length of host unique */
#endif
u8_t sc_padi_retried; /* number of PADI retries already done */
u8_t sc_padr_retried; /* number of PADR retries already done */
};
#define pppoe_init() /* compatibility define, no initialization needed */
ppp_pcb *pppoe_create(struct netif *pppif,
struct netif *ethif,
const char *service_name, const char *concentrator_name,
ppp_link_status_cb_fn link_status_cb, void *ctx_cb);
/*
* Functions called from lwIP
* DO NOT CALL FROM lwIP USER APPLICATION.
*/
void pppoe_disc_input(struct netif *netif, struct pbuf *p);
void pppoe_data_input(struct netif *netif, struct pbuf *p);
#endif /* PPP_OE_H */
#endif /* PPP_SUPPORT && PPPOE_SUPPORT */

201
components/lwip/include/lwip/netif/ppp/pppol2tp.h
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@@ -1,201 +0,0 @@
/**
* @file
* Network Point to Point Protocol over Layer 2 Tunneling Protocol header file.
*
*/
/*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* This file is part of the lwIP TCP/IP stack.
*
*/
#include "lwip/opt.h"
#if PPP_SUPPORT && PPPOL2TP_SUPPORT /* don't build if not configured for use in lwipopts.h */
#ifndef PPPOL2TP_H_
#define PPPOL2TP_H_
#include "ppp.h"
/* Timeout */
#define PPPOL2TP_CONTROL_TIMEOUT (5*1000) /* base for quick timeout calculation */
#define PPPOL2TP_SLOW_RETRY (60*1000) /* persistent retry interval */
#define PPPOL2TP_MAXSCCRQ 4 /* retry SCCRQ four times (quickly) */
#define PPPOL2TP_MAXICRQ 4 /* retry IRCQ four times */
#define PPPOL2TP_MAXICCN 4 /* retry ICCN four times */
/* L2TP header flags */
#define PPPOL2TP_HEADERFLAG_CONTROL 0x8000
#define PPPOL2TP_HEADERFLAG_LENGTH 0x4000
#define PPPOL2TP_HEADERFLAG_SEQUENCE 0x0800
#define PPPOL2TP_HEADERFLAG_OFFSET 0x0200
#define PPPOL2TP_HEADERFLAG_PRIORITY 0x0100
#define PPPOL2TP_HEADERFLAG_VERSION 0x0002
/* Mandatory bits for control: Control, Length, Sequence, Version 2 */
#define PPPOL2TP_HEADERFLAG_CONTROL_MANDATORY (PPPOL2TP_HEADERFLAG_CONTROL|PPPOL2TP_HEADERFLAG_LENGTH|PPPOL2TP_HEADERFLAG_SEQUENCE|PPPOL2TP_HEADERFLAG_VERSION)
/* Forbidden bits for control: Offset, Priority */
#define PPPOL2TP_HEADERFLAG_CONTROL_FORBIDDEN (PPPOL2TP_HEADERFLAG_OFFSET|PPPOL2TP_HEADERFLAG_PRIORITY)
/* Mandatory bits for data: Version 2 */
#define PPPOL2TP_HEADERFLAG_DATA_MANDATORY (PPPOL2TP_HEADERFLAG_VERSION)
/* AVP (Attribute Value Pair) header */
#define PPPOL2TP_AVPHEADERFLAG_MANDATORY 0x8000
#define PPPOL2TP_AVPHEADERFLAG_HIDDEN 0x4000
#define PPPOL2TP_AVPHEADERFLAG_LENGTHMASK 0x03ff
/* -- AVP - Message type */
#define PPPOL2TP_AVPTYPE_MESSAGE 0 /* Message type */
/* Control Connection Management */
#define PPPOL2TP_MESSAGETYPE_SCCRQ 1 /* Start Control Connection Request */
#define PPPOL2TP_MESSAGETYPE_SCCRP 2 /* Start Control Connection Reply */
#define PPPOL2TP_MESSAGETYPE_SCCCN 3 /* Start Control Connection Connected */
#define PPPOL2TP_MESSAGETYPE_STOPCCN 4 /* Stop Control Connection Notification */
#define PPPOL2TP_MESSAGETYPE_HELLO 6 /* Hello */
/* Call Management */
#define PPPOL2TP_MESSAGETYPE_OCRQ 7 /* Outgoing Call Request */
#define PPPOL2TP_MESSAGETYPE_OCRP 8 /* Outgoing Call Reply */
#define PPPOL2TP_MESSAGETYPE_OCCN 9 /* Outgoing Call Connected */
#define PPPOL2TP_MESSAGETYPE_ICRQ 10 /* Incoming Call Request */
#define PPPOL2TP_MESSAGETYPE_ICRP 11 /* Incoming Call Reply */
#define PPPOL2TP_MESSAGETYPE_ICCN 12 /* Incoming Call Connected */
#define PPPOL2TP_MESSAGETYPE_CDN 14 /* Call Disconnect Notify */
/* Error reporting */
#define PPPOL2TP_MESSAGETYPE_WEN 15 /* WAN Error Notify */
/* PPP Session Control */
#define PPPOL2TP_MESSAGETYPE_SLI 16 /* Set Link Info */
/* -- AVP - Result code */
#define PPPOL2TP_AVPTYPE_RESULTCODE 1 /* Result code */
#define PPPOL2TP_RESULTCODE 1 /* General request to clear control connection */
/* -- AVP - Protocol version (!= L2TP Header version) */
#define PPPOL2TP_AVPTYPE_VERSION 2
#define PPPOL2TP_VERSION 0x0100 /* L2TP Protocol version 1, revision 0 */
/* -- AVP - Framing capabilities */
#define PPPOL2TP_AVPTYPE_FRAMINGCAPABILITIES 3 /* Bearer capabilities */
#define PPPOL2TP_FRAMINGCAPABILITIES 0x00000003 /* Async + Sync framing */
/* -- AVP - Bearer capabilities */
#define PPPOL2TP_AVPTYPE_BEARERCAPABILITIES 4 /* Bearer capabilities */
#define PPPOL2TP_BEARERCAPABILITIES 0x00000003 /* Analog + Digital Access */
/* -- AVP - Tie breaker */
#define PPPOL2TP_AVPTYPE_TIEBREAKER 5
/* -- AVP - Host name */
#define PPPOL2TP_AVPTYPE_HOSTNAME 7 /* Host name */
#define PPPOL2TP_HOSTNAME "lwIP" /* FIXME: make it configurable */
/* -- AVP - Vendor name */
#define PPPOL2TP_AVPTYPE_VENDORNAME 8 /* Vendor name */
#define PPPOL2TP_VENDORNAME "lwIP" /* FIXME: make it configurable */
/* -- AVP - Assign tunnel ID */
#define PPPOL2TP_AVPTYPE_TUNNELID 9 /* Assign Tunnel ID */
/* -- AVP - Receive window size */
#define PPPOL2TP_AVPTYPE_RECEIVEWINDOWSIZE 10 /* Receive window size */
#define PPPOL2TP_RECEIVEWINDOWSIZE 8 /* FIXME: make it configurable */
/* -- AVP - Challenge */
#define PPPOL2TP_AVPTYPE_CHALLENGE 11 /* Challenge */
/* -- AVP - Cause code */
#define PPPOL2TP_AVPTYPE_CAUSECODE 12 /* Cause code*/
/* -- AVP - Challenge response */
#define PPPOL2TP_AVPTYPE_CHALLENGERESPONSE 13 /* Challenge response */
#define PPPOL2TP_AVPTYPE_CHALLENGERESPONSE_SIZE 16
/* -- AVP - Assign session ID */
#define PPPOL2TP_AVPTYPE_SESSIONID 14 /* Assign Session ID */
/* -- AVP - Call serial number */
#define PPPOL2TP_AVPTYPE_CALLSERIALNUMBER 15 /* Call Serial Number */
/* -- AVP - Framing type */
#define PPPOL2TP_AVPTYPE_FRAMINGTYPE 19 /* Framing Type */
#define PPPOL2TP_FRAMINGTYPE 0x00000001 /* Sync framing */
/* -- AVP - TX Connect Speed */
#define PPPOL2TP_AVPTYPE_TXCONNECTSPEED 24 /* TX Connect Speed */
#define PPPOL2TP_TXCONNECTSPEED 100000000 /* Connect speed: 100 Mbits/s */
/* L2TP Session state */
#define PPPOL2TP_STATE_INITIAL 0
#define PPPOL2TP_STATE_SCCRQ_SENT 1
#define PPPOL2TP_STATE_ICRQ_SENT 2
#define PPPOL2TP_STATE_ICCN_SENT 3
#define PPPOL2TP_STATE_DATA 4
#define PPPOL2TP_OUTPUT_DATA_HEADER_LEN 6 /* Our data header len */
/*
* PPPoL2TP interface control block.
*/
typedef struct pppol2tp_pcb_s pppol2tp_pcb;
struct pppol2tp_pcb_s {
ppp_pcb *ppp; /* PPP PCB */
u8_t phase; /* L2TP phase */
struct udp_pcb *udp; /* UDP L2TP Socket */
struct netif *netif; /* Output interface, used as a default route */
ip_addr_t remote_ip; /* LNS IP Address */
u16_t remote_port; /* LNS port */
#if PPPOL2TP_AUTH_SUPPORT
const u8_t *secret; /* Secret string */
u8_t secret_len; /* Secret string length */
u8_t secret_rv[16]; /* Random vector */
u8_t challenge_hash[16]; /* Challenge response */
u8_t send_challenge; /* Boolean whether the next sent packet should contains a challenge response */
#endif /* PPPOL2TP_AUTH_SUPPORT */
u16_t tunnel_port; /* Tunnel port */
u16_t our_ns; /* NS to peer */
u16_t peer_nr; /* NR from peer */
u16_t peer_ns; /* NS from peer */
u16_t source_tunnel_id; /* Tunnel ID assigned by peer */
u16_t remote_tunnel_id; /* Tunnel ID assigned to peer */
u16_t source_session_id; /* Session ID assigned by peer */
u16_t remote_session_id; /* Session ID assigned to peer */
u8_t sccrq_retried; /* number of SCCRQ retries already done */
u8_t icrq_retried; /* number of ICRQ retries already done */
u8_t iccn_retried; /* number of ICCN retries already done */
};
/* Create a new L2TP session. */
ppp_pcb *pppol2tp_create(struct netif *pppif,
struct netif *netif, ip_addr_t *ipaddr, u16_t port,
const u8_t *secret, u8_t secret_len,
ppp_link_status_cb_fn link_status_cb, void *ctx_cb);
#endif /* PPPOL2TP_H_ */
#endif /* PPP_SUPPORT && PPPOL2TP_SUPPORT */

119
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/**
* @file
* Network Point to Point Protocol over Serial header file.
*
*/
/*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* This file is part of the lwIP TCP/IP stack.
*
*/
#include "lwip/opt.h"
#if PPP_SUPPORT && PPPOS_SUPPORT /* don't build if not configured for use in lwipopts.h */
#ifndef PPPOS_H
#define PPPOS_H
#include "lwip/sys.h"
#include "lwip/sio.h"
#include "ppp.h"
#include "vj.h"
/* PPP packet parser states. Current state indicates operation yet to be
* completed. */
enum {
PDIDLE = 0, /* Idle state - waiting. */
PDSTART, /* Process start flag. */
PDADDRESS, /* Process address field. */
PDCONTROL, /* Process control field. */
PDPROTOCOL1, /* Process protocol field 1. */
PDPROTOCOL2, /* Process protocol field 2. */
PDDATA /* Process data byte. */
};
/* PPPoS serial output callback function prototype */
typedef u32_t (*pppos_output_cb_fn)(ppp_pcb *pcb, u8_t *data, u32_t len, void *ctx);
/*
* Extended asyncmap - allows any character to be escaped.
*/
typedef u8_t ext_accm[32];
/*
* PPPoS interface control block.
*/
typedef struct pppos_pcb_s pppos_pcb;
struct pppos_pcb_s {
/* -- below are data that will NOT be cleared between two sessions */
ppp_pcb *ppp; /* PPP PCB */
pppos_output_cb_fn output_cb; /* PPP serial output callback */
/* -- below are data that will be cleared between two sessions
*
* last_xmit must be the first member of cleared members, because it is
* used to know which part must not be cleared.
*/
u32_t last_xmit; /* Time of last transmission. */
ext_accm out_accm; /* Async-Ctl-Char-Map for output. */
/* flags */
unsigned int open :1; /* Set if PPPoS is open */
unsigned int pcomp :1; /* Does peer accept protocol compression? */
unsigned int accomp :1; /* Does peer accept addr/ctl compression? */
/* PPPoS rx */
ext_accm in_accm; /* Async-Ctl-Char-Map for input. */
struct pbuf *in_head, *in_tail; /* The input packet. */
u16_t in_protocol; /* The input protocol code. */
u16_t in_fcs; /* Input Frame Check Sequence value. */
u8_t in_state; /* The input process state. */
u8_t in_escaped; /* Escape next character. */
};
/* Create a new PPPoS session. */
ppp_pcb *pppos_create(struct netif *pppif, pppos_output_cb_fn output_cb,
ppp_link_status_cb_fn link_status_cb, void *ctx_cb);
#if !NO_SYS && !PPP_INPROC_IRQ_SAFE
/* Pass received raw characters to PPPoS to be decoded through lwIP TCPIP thread. */
err_t pppos_input_tcpip(ppp_pcb *ppp, u8_t *s, int l);
#endif /* !NO_SYS && !PPP_INPROC_IRQ_SAFE */
/* PPP over Serial: this is the input function to be called for received data. */
void pppos_input(ppp_pcb *ppp, u8_t* data, int len);
/*
* Functions called from lwIP
* DO NOT CALL FROM lwIP USER APPLICATION.
*/
#if !NO_SYS && !PPP_INPROC_IRQ_SAFE
err_t pppos_input_sys(struct pbuf *p, struct netif *inp);
#endif /* !NO_SYS && !PPP_INPROC_IRQ_SAFE */
#endif /* PPPOS_H */
#endif /* PPP_SUPPORT && PPPOL2TP_SUPPORT */

123
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/*
* upap.h - User/Password Authentication Protocol definitions.
*
* Copyright (c) 1984-2000 Carnegie Mellon University. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The name "Carnegie Mellon University" must not be used to
* endorse or promote products derived from this software without
* prior written permission. For permission or any legal
* details, please contact
* Office of Technology Transfer
* Carnegie Mellon University
* 5000 Forbes Avenue
* Pittsburgh, PA 15213-3890
* (412) 268-4387, fax: (412) 268-7395
* tech-transfer@andrew.cmu.edu
*
* 4. Redistributions of any form whatsoever must retain the following
* acknowledgment:
* "This product includes software developed by Computing Services
* at Carnegie Mellon University (http://www.cmu.edu/computing/)."
*
* CARNEGIE MELLON UNIVERSITY DISCLAIMS ALL WARRANTIES WITH REGARD TO
* THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
* AND FITNESS, IN NO EVENT SHALL CARNEGIE MELLON UNIVERSITY BE LIABLE
* FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
* AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
* $Id: upap.h,v 1.8 2002/12/04 23:03:33 paulus Exp $
*/
#include "lwip/opt.h"
#if PPP_SUPPORT && PAP_SUPPORT /* don't build if not configured for use in lwipopts.h */
#ifndef UPAP_H
#define UPAP_H
#include "ppp.h"
/*
* Packet header = Code, id, length.
*/
#define UPAP_HEADERLEN 4
/*
* UPAP codes.
*/
#define UPAP_AUTHREQ 1 /* Authenticate-Request */
#define UPAP_AUTHACK 2 /* Authenticate-Ack */
#define UPAP_AUTHNAK 3 /* Authenticate-Nak */
/*
* Client states.
*/
#define UPAPCS_INITIAL 0 /* Connection down */
#define UPAPCS_CLOSED 1 /* Connection up, haven't requested auth */
#define UPAPCS_PENDING 2 /* Connection down, have requested auth */
#define UPAPCS_AUTHREQ 3 /* We've sent an Authenticate-Request */
#define UPAPCS_OPEN 4 /* We've received an Ack */
#define UPAPCS_BADAUTH 5 /* We've received a Nak */
/*
* Server states.
*/
#define UPAPSS_INITIAL 0 /* Connection down */
#define UPAPSS_CLOSED 1 /* Connection up, haven't requested auth */
#define UPAPSS_PENDING 2 /* Connection down, have requested auth */
#define UPAPSS_LISTEN 3 /* Listening for an Authenticate */
#define UPAPSS_OPEN 4 /* We've sent an Ack */
#define UPAPSS_BADAUTH 5 /* We've sent a Nak */
/*
* Timeouts.
*/
#if 0 /* moved to opt.h */
#define UPAP_DEFTIMEOUT 3 /* Timeout (seconds) for retransmitting req */
#define UPAP_DEFREQTIME 30 /* Time to wait for auth-req from peer */
#endif /* moved to opt.h */
/*
* Each interface is described by upap structure.
*/
#if PAP_SUPPORT
typedef struct upap_state {
const char *us_user; /* User */
u8_t us_userlen; /* User length */
const char *us_passwd; /* Password */
u8_t us_passwdlen; /* Password length */
u8_t us_clientstate; /* Client state */
#if PPP_SERVER
u8_t us_serverstate; /* Server state */
#endif /* PPP_SERVER */
u8_t us_id; /* Current id */
u8_t us_transmits; /* Number of auth-reqs sent */
} upap_state;
#endif /* PAP_SUPPORT */
void upap_authwithpeer(ppp_pcb *pcb, const char *user, const char *password);
#if PPP_SERVER
void upap_authpeer(ppp_pcb *pcb);
#endif /* PPP_SERVER */
extern const struct protent pap_protent;
#endif /* UPAP_H */
#endif /* PPP_SUPPORT && PAP_SUPPORT */

161
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@@ -1,161 +0,0 @@
/*
* Definitions for tcp compression routines.
*
* $Id: vj.h,v 1.7 2010/02/22 17:52:09 goldsimon Exp $
*
* Copyright (c) 1989 Regents of the University of California.
* All rights reserved.
*
* Redistribution and use in source and binary forms are permitted
* provided that the above copyright notice and this paragraph are
* duplicated in all such forms and that any documentation,
* advertising materials, and other materials related to such
* distribution and use acknowledge that the software was developed
* by the University of California, Berkeley. The name of the
* University may not be used to endorse or promote products derived
* from this software without specific prior written permission.
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
* WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
*
* Van Jacobson (van@helios.ee.lbl.gov), Dec 31, 1989:
* - Initial distribution.
*/
#include "lwip/opt.h"
#if PPP_SUPPORT && VJ_SUPPORT /* don't build if not configured for use in lwipopts.h */
#ifndef VJ_H
#define VJ_H
#include "lwip/ip.h"
#include "lwip/priv/tcp_priv.h"
#define MAX_SLOTS 16 /* must be > 2 and < 256 */
#define MAX_HDR 128
/*
* Compressed packet format:
*
* The first octet contains the packet type (top 3 bits), TCP
* 'push' bit, and flags that indicate which of the 4 TCP sequence
* numbers have changed (bottom 5 bits). The next octet is a
* conversation number that associates a saved IP/TCP header with
* the compressed packet. The next two octets are the TCP checksum
* from the original datagram. The next 0 to 15 octets are
* sequence number changes, one change per bit set in the header
* (there may be no changes and there are two special cases where
* the receiver implicitly knows what changed -- see below).
*
* There are 5 numbers which can change (they are always inserted
* in the following order): TCP urgent pointer, window,
* acknowlegement, sequence number and IP ID. (The urgent pointer
* is different from the others in that its value is sent, not the
* change in value.) Since typical use of SLIP links is biased
* toward small packets (see comments on MTU/MSS below), changes
* use a variable length coding with one octet for numbers in the
* range 1 - 255 and 3 octets (0, MSB, LSB) for numbers in the
* range 256 - 65535 or 0. (If the change in sequence number or
* ack is more than 65535, an uncompressed packet is sent.)
*/
/*
* Packet types (must not conflict with IP protocol version)
*
* The top nibble of the first octet is the packet type. There are
* three possible types: IP (not proto TCP or tcp with one of the
* control flags set); uncompressed TCP (a normal IP/TCP packet but
* with the 8-bit protocol field replaced by an 8-bit connection id --
* this type of packet syncs the sender & receiver); and compressed
* TCP (described above).
*
* LSB of 4-bit field is TCP "PUSH" bit (a worthless anachronism) and
* is logically part of the 4-bit "changes" field that follows. Top
* three bits are actual packet type. For backward compatibility
* and in the interest of conserving bits, numbers are chosen so the
* IP protocol version number (4) which normally appears in this nibble
* means "IP packet".
*/
/* packet types */
#define TYPE_IP 0x40
#define TYPE_UNCOMPRESSED_TCP 0x70
#define TYPE_COMPRESSED_TCP 0x80
#define TYPE_ERROR 0x00
/* Bits in first octet of compressed packet */
#define NEW_C 0x40 /* flag bits for what changed in a packet */
#define NEW_I 0x20
#define NEW_S 0x08
#define NEW_A 0x04
#define NEW_W 0x02
#define NEW_U 0x01
/* reserved, special-case values of above */
#define SPECIAL_I (NEW_S|NEW_W|NEW_U) /* echoed interactive traffic */
#define SPECIAL_D (NEW_S|NEW_A|NEW_W|NEW_U) /* unidirectional data */
#define SPECIALS_MASK (NEW_S|NEW_A|NEW_W|NEW_U)
#define TCP_PUSH_BIT 0x10
/*
* "state" data for each active tcp conversation on the wire. This is
* basically a copy of the entire IP/TCP header from the last packet
* we saw from the conversation together with a small identifier
* the transmit & receive ends of the line use to locate saved header.
*/
struct cstate {
struct cstate *cs_next; /* next most recently used state (xmit only) */
u16_t cs_hlen; /* size of hdr (receive only) */
u8_t cs_id; /* connection # associated with this state */
u8_t cs_filler;
union {
char csu_hdr[MAX_HDR];
struct ip_hdr csu_ip; /* ip/tcp hdr from most recent packet */
} vjcs_u;
};
#define cs_ip vjcs_u.csu_ip
#define cs_hdr vjcs_u.csu_hdr
struct vjstat {
u32_t vjs_packets; /* outbound packets */
u32_t vjs_compressed; /* outbound compressed packets */
u32_t vjs_searches; /* searches for connection state */
u32_t vjs_misses; /* times couldn't find conn. state */
u32_t vjs_uncompressedin; /* inbound uncompressed packets */
u32_t vjs_compressedin; /* inbound compressed packets */
u32_t vjs_errorin; /* inbound unknown type packets */
u32_t vjs_tossed; /* inbound packets tossed because of error */
};
/*
* all the state data for one serial line (we need one of these per line).
*/
struct vjcompress {
struct cstate *last_cs; /* most recently used tstate */
u8_t last_recv; /* last rcvd conn. id */
u8_t last_xmit; /* last sent conn. id */
u16_t flags;
u8_t maxSlotIndex;
u8_t compressSlot; /* Flag indicating OK to compress slot ID. */
#if LINK_STATS
struct vjstat stats;
#endif
struct cstate tstate[MAX_SLOTS]; /* xmit connection states */
struct cstate rstate[MAX_SLOTS]; /* receive connection states */
};
/* flag values */
#define VJF_TOSS 1U /* tossing rcvd frames because of input err */
extern void vj_compress_init (struct vjcompress *comp);
extern u8_t vj_compress_tcp (struct vjcompress *comp, struct pbuf **pb);
extern void vj_uncompress_err (struct vjcompress *comp);
extern int vj_uncompress_uncomp(struct pbuf *nb, struct vjcompress *comp);
extern int vj_uncompress_tcp (struct pbuf **nb, struct vjcompress *comp);
#endif /* VJ_H */
#endif /* PPP_SUPPORT && VJ_SUPPORT */

81
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/*
* Copyright (c) 2001, Swedish Institute of Computer Science.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the Institute nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* This file is part of the lwIP TCP/IP stack.
*
* Author: Adam Dunkels <adam@sics.se>
*
*/
#ifndef LWIP_HDR_NETIF_SLIPIF_H
#define LWIP_HDR_NETIF_SLIPIF_H
#include "lwip/opt.h"
#include "lwip/netif.h"
/** Set this to 1 to start a thread that blocks reading on the serial line
* (using sio_read()).
*/
#ifndef SLIP_USE_RX_THREAD
#define SLIP_USE_RX_THREAD !NO_SYS
#endif
/** Set this to 1 to enable functions to pass in RX bytes from ISR context.
* If enabled, slipif_received_byte[s]() process incoming bytes and put assembled
* packets on a queue, which is fed into lwIP from slipif_poll().
* If disabled, slipif_poll() polls the serial line (using sio_tryread()).
*/
#ifndef SLIP_RX_FROM_ISR
#define SLIP_RX_FROM_ISR 0
#endif
/** Set this to 1 (default for SLIP_RX_FROM_ISR) to queue incoming packets
* received by slipif_received_byte[s]() as long as PBUF_POOL pbufs are available.
* If disabled, packets will be dropped if more than one packet is received.
*/
#ifndef SLIP_RX_QUEUE
#define SLIP_RX_QUEUE SLIP_RX_FROM_ISR
#endif
#ifdef __cplusplus
extern "C" {
#endif
err_t slipif_init(struct netif * netif);
void slipif_poll(struct netif *netif);
#if SLIP_RX_FROM_ISR
void slipif_process_rxqueue(struct netif *netif);
void slipif_received_byte(struct netif *netif, u8_t data);
void slipif_received_bytes(struct netif *netif, u8_t *data, u8_t len);
#endif /* SLIP_RX_FROM_ISR */
#ifdef __cplusplus
}
#endif
#endif /* LWIP_HDR_NETIF_SLIPIF_H */

94
components/lwip/include/lwip/port/arch/cc.h
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@@ -1,94 +0,0 @@
/*
* Copyright (c) 2001, Swedish Institute of Computer Science.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the Institute nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* This file is part of the lwIP TCP/IP stack.
*
* Author: Adam Dunkels <adam@sics.se>
*
*/
#ifndef __ARCH_CC_H__
#define __ARCH_CC_H__
#include <stdint.h>
#include <errno.h>
#include <assert.h>
#include <stdio.h>
#include "arch/sys_arch.h"
#define BYTE_ORDER LITTLE_ENDIAN
typedef uint8_t u8_t;
typedef int8_t s8_t;
typedef uint16_t u16_t;
typedef int16_t s16_t;
typedef uint32_t u32_t;
typedef int32_t s32_t;
typedef unsigned long mem_ptr_t;
typedef int sys_prot_t;
#define S16_F "d"
#define U16_F "d"
#define X16_F "x"
#define S32_F "d"
#define U32_F "d"
#define X32_F "x"
#define PACK_STRUCT_FIELD(x) x
#define PACK_STRUCT_STRUCT __attribute__((packed))
#define PACK_STRUCT_BEGIN
#define PACK_STRUCT_END
#include <stdio.h>
#define LWIP_PLATFORM_DIAG(x) do {printf x;} while(0)
// __assert_func is the assertion failure handler from newlib, defined in assert.h
#define LWIP_PLATFORM_ASSERT(message) __assert_func(__FILE__, __LINE__, __ASSERT_FUNC, message)
#ifdef NDEBUG
#define LWIP_NOASSERT
#else // Assertions enabled
// If assertions are on, the default LWIP_ERROR handler behaviour is to
// abort w/ an assertion failure. Don't do this, instead just print the error (if LWIP_DEBUG is set)
// and run the handler (same as the LWIP_ERROR behaviour if LWIP_NOASSERT is set).
#ifdef LWIP_DEBUG
#define LWIP_ERROR(message, expression, handler) do { if (!(expression)) { \
puts(message); handler;}} while(0)
#else
// If LWIP_DEBUG is not set, return the error silently (default LWIP behaviour, also.)
#define LWIP_ERROR(message, expression, handler) do { if (!(expression)) { \
handler;}} while(0)
#endif // LWIP_DEBUG
#endif /* NDEBUG */
#endif /* __ARCH_CC_H__ */

40
components/lwip/include/lwip/port/arch/perf.h
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/*
* Copyright (c) 2001, Swedish Institute of Computer Science.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the Institute nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* This file is part of the lwIP TCP/IP stack.
*
* Author: Adam Dunkels <adam@sics.se>
*
*/
#ifndef __PERF_H__
#define __PERF_H__
#define PERF_START /* null definition */
#define PERF_STOP(x) /* null definition */
#endif /* __PERF_H__ */

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components/lwip/include/lwip/port/arch/sys_arch.h
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/*
* Copyright (c) 2001-2003 Swedish Institute of Computer Science.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* This file is part of the lwIP TCP/IP stack.
*
* Author: Adam Dunkels <adam@sics.se>
*
*/
#ifndef __SYS_ARCH_H__
#define __SYS_ARCH_H__
#include "freertos/FreeRTOS.h"
#include "freertos/task.h"
#include "freertos/queue.h"
#include "freertos/semphr.h"
#include "arch/vfs_lwip.h"
#ifdef __cplusplus
extern "C" {
#endif
typedef xSemaphoreHandle sys_sem_t;
typedef xSemaphoreHandle sys_mutex_t;
typedef xTaskHandle sys_thread_t;
typedef struct sys_mbox_s {
xQueueHandle os_mbox;
sys_mutex_t lock;
uint8_t alive;
}* sys_mbox_t;
#define LWIP_COMPAT_MUTEX 0
#if !LWIP_COMPAT_MUTEX
#define sys_mutex_valid( x ) ( ( ( *x ) == NULL) ? pdFALSE : pdTRUE )
#define sys_mutex_set_invalid( x ) ( ( *x ) = NULL )
#endif
#define sys_mbox_valid( x ) ( ( ( *x ) == NULL) ? pdFALSE : pdTRUE )
#define sys_mbox_set_invalid( x ) ( ( *x ) = NULL )
#define sys_sem_valid( x ) ( ( ( *x ) == NULL) ? pdFALSE : pdTRUE )
#define sys_sem_set_invalid( x ) ( ( *x ) = NULL )
void sys_delay_ms(uint32_t ms);
sys_sem_t* sys_thread_sem_init(void);
void sys_thread_sem_deinit(void);
sys_sem_t* sys_thread_sem_get(void);
#ifdef __cplusplus
}
#endif
#endif /* __SYS_ARCH_H__ */

23
components/lwip/include/lwip/port/arch/vfs_lwip.h
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@@ -1,23 +0,0 @@
// Copyright 2017 Espressif Systems (Shanghai) PTE LTD
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#ifdef __cplusplus
extern "C" {
#endif
void esp_vfs_lwip_sockets_register();
#ifdef __cplusplus
}
#endif

20
components/lwip/include/lwip/port/arpa/inet.h
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// Copyright 2015-2016 Espressif Systems (Shanghai) PTE LTD
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#ifndef INET_H_
#define INET_H_
#include "lwip/inet.h"
#endif /* INET_H_ */

812
components/lwip/include/lwip/port/lwipopts.h
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/*
* Copyright (c) 2001-2003 Swedish Institute of Computer Science.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* This file is part of the lwIP TCP/IP stack.
*
* Author: Simon Goldschmidt
*
*/
#ifndef __LWIPOPTS_H__
#define __LWIPOPTS_H__
#include <stdlib.h>
#include <time.h>
#include <unistd.h>
#include <sys/time.h>
#include <sys/fcntl.h>
#include <sys/ioctl.h>
#include <sys/types.h>
#include <sys/select.h>
#include "esp_task.h"
#include "esp_system.h"
#include "sdkconfig.h"
/* Enable all Espressif-only options */
/*
-----------------------------------------------
---------- Platform specific locking ----------
-----------------------------------------------
*/
/**
* SYS_LIGHTWEIGHT_PROT==1: if you want inter-task protection for certain
* critical regions during buffer allocation, deallocation and memory
* allocation and deallocation.
*/
#define SYS_LIGHTWEIGHT_PROT 1
/**
* MEMCPY: override this if you have a faster implementation at hand than the
* one included in your C library
*/
#define MEMCPY(dst,src,len) memcpy(dst,src,len)
/**
* SMEMCPY: override this with care! Some compilers (e.g. gcc) can inline a
* call to memcpy() if the length is known at compile time and is small.
*/
#define SMEMCPY(dst,src,len) memcpy(dst,src,len)
#define LWIP_RAND esp_random
/*
------------------------------------
---------- Memory options ----------
------------------------------------
*/
/**
* MEM_LIBC_MALLOC==1: Use malloc/free/realloc provided by your C-library
* instead of the lwip internal allocator. Can save code size if you
* already use it.
*/
#define MEM_LIBC_MALLOC 1
/**
* MEMP_MEM_MALLOC==1: Use mem_malloc/mem_free instead of the lwip pool allocator.
* Especially useful with MEM_LIBC_MALLOC but handle with care regarding execution
* speed and usage from interrupts!
*/
#define MEMP_MEM_MALLOC 1
/**
* MEM_ALIGNMENT: should be set to the alignment of the CPU
* 4 byte alignment -> #define MEM_ALIGNMENT 4
* 2 byte alignment -> #define MEM_ALIGNMENT 2
*/
#define MEM_ALIGNMENT 4
/*
------------------------------------------------
---------- Internal Memory Pool Sizes ----------
------------------------------------------------
*/
/**
* MEMP_NUM_NETCONN: the number of struct netconns.
* (only needed if you use the sequential API, like api_lib.c)
*/
#define MEMP_NUM_NETCONN CONFIG_LWIP_MAX_SOCKETS
/**
* MEMP_NUM_RAW_PCB: Number of raw connection PCBs
* (requires the LWIP_RAW option)
*/
#define MEMP_NUM_RAW_PCB CONFIG_LWIP_MAX_RAW_PCBS
/**
* MEMP_NUM_TCP_PCB: the number of simultaneously active TCP connections.
* (requires the LWIP_TCP option)
*/
#define MEMP_NUM_TCP_PCB CONFIG_LWIP_MAX_ACTIVE_TCP
/**
* MEMP_NUM_TCP_PCB_LISTEN: the number of listening TCP connections.
* (requires the LWIP_TCP option)
*/
#define MEMP_NUM_TCP_PCB_LISTEN CONFIG_LWIP_MAX_LISTENING_TCP
/**
* MEMP_NUM_UDP_PCB: the number of UDP protocol control blocks. One
* per active UDP "connection".
* (requires the LWIP_UDP option)
*/
#define MEMP_NUM_UDP_PCB CONFIG_LWIP_MAX_UDP_PCBS
/*
--------------------------------
---------- ARP options -------
--------------------------------
*/
/**
* ARP_QUEUEING==1: Multiple outgoing packets are queued during hardware address
* resolution. By default, only the most recent packet is queued per IP address.
* This is sufficient for most protocols and mainly reduces TCP connection
* startup time. Set this to 1 if you know your application sends more than one
* packet in a row to an IP address that is not in the ARP cache.
*/
#define ARP_QUEUEING 1
/*
--------------------------------
---------- IP options ----------
--------------------------------
*/
/**
* IP_REASSEMBLY==1: Reassemble incoming fragmented IP packets. Note that
* this option does not affect outgoing packet sizes, which can be controlled
* via IP_FRAG.
*/
#define IP_REASSEMBLY CONFIG_LWIP_IP_REASSEMBLY
/**
* IP_FRAG==1: Fragment outgoing IP packets if their size exceeds MTU. Note
* that this option does not affect incoming packet sizes, which can be
* controlled via IP_REASSEMBLY.
*/
#define IP_FRAG CONFIG_LWIP_IP_FRAG
/**
* IP_REASS_MAXAGE: Maximum time (in multiples of IP_TMR_INTERVAL - so seconds, normally)
* a fragmented IP packet waits for all fragments to arrive. If not all fragments arrived
* in this time, the whole packet is discarded.
*/
#define IP_REASS_MAXAGE 3
/**
* IP_REASS_MAX_PBUFS: Total maximum amount of pbufs waiting to be reassembled.
* Since the received pbufs are enqueued, be sure to configure
* PBUF_POOL_SIZE > IP_REASS_MAX_PBUFS so that the stack is still able to receive
* packets even if the maximum amount of fragments is enqueued for reassembly!
*/
#define IP_REASS_MAX_PBUFS 10
/*
----------------------------------
---------- ICMP options ----------
----------------------------------
*/
#define LWIP_BROADCAST_PING CONFIG_LWIP_BROADCAST_PING
#define LWIP_MULTICAST_PING CONFIG_LWIP_MULTICAST_PING
/*
---------------------------------
---------- RAW options ----------
---------------------------------
*/
/**
* LWIP_RAW==1: Enable application layer to hook into the IP layer itself.
*/
#define LWIP_RAW 1
/*
----------------------------------
---------- DHCP options ----------
----------------------------------
*/
/**
* LWIP_DHCP==1: Enable DHCP module.
*/
#define LWIP_DHCP 1
#define DHCP_MAXRTX 0
/**
* DHCP_DOES_ARP_CHECK==1: Do an ARP check on the offered address.
*/
#define DHCP_DOES_ARP_CHECK CONFIG_LWIP_DHCP_DOES_ARP_CHECK
/*
------------------------------------
---------- AUTOIP options ----------
------------------------------------
*/
#ifdef CONFIG_LWIP_AUTOIP
#define LWIP_AUTOIP 1
/**
* LWIP_DHCP_AUTOIP_COOP==1: Allow DHCP and AUTOIP to be both enabled on
* the same interface at the same time.
*/
#define LWIP_DHCP_AUTOIP_COOP 1
/**
* LWIP_DHCP_AUTOIP_COOP_TRIES: Set to the number of DHCP DISCOVER probes
* that should be sent before falling back on AUTOIP. This can be set
* as low as 1 to get an AutoIP address very quickly, but you should
* be prepared to handle a changing IP address when DHCP overrides
* AutoIP.
*/
#define LWIP_DHCP_AUTOIP_COOP_TRIES CONFIG_LWIP_AUTOIP_TRIES
#define LWIP_AUTOIP_MAX_CONFLICTS CONFIG_LWIP_AUTOIP_MAX_CONFLICTS
#define LWIP_AUTOIP_RATE_LIMIT_INTERVAL CONFIG_LWIP_AUTOIP_RATE_LIMIT_INTERVAL
#endif /* CONFIG_LWIP_AUTOIP */
/*
----------------------------------
---------- SNMP options ----------
----------------------------------
*/
/*
----------------------------------
---------- IGMP options ----------
----------------------------------
*/
/**
* LWIP_IGMP==1: Turn on IGMP module.
*/
#define LWIP_IGMP 1
/*
----------------------------------
---------- DNS options -----------
----------------------------------
*/
/**
* LWIP_DNS==1: Turn on DNS module. UDP must be available for DNS
* transport.
*/
#define LWIP_DNS 1
#define DNS_MAX_SERVERS 3
#define DNS_FALLBACK_SERVER_INDEX (DNS_MAX_SERVERS - 1)
/*
---------------------------------
---------- UDP options ----------
---------------------------------
*/
/*
---------------------------------
---------- TCP options ----------
---------------------------------
*/
/**
* TCP_QUEUE_OOSEQ==1: TCP will queue segments that arrive out of order.
* Define to 0 if your device is low on memory.
*/
#define TCP_QUEUE_OOSEQ CONFIG_TCP_QUEUE_OOSEQ
/**
* ESP_TCP_KEEP_CONNECTION_WHEN_IP_CHANGES==1: Keep TCP connection when IP changed
* scenario happens: 192.168.0.2 -> 0.0.0.0 -> 192.168.0.2 or 192.168.0.2 -> 0.0.0.0
*/
#define ESP_TCP_KEEP_CONNECTION_WHEN_IP_CHANGES CONFIG_ESP_TCP_KEEP_CONNECTION_WHEN_IP_CHANGES
/*
* LWIP_EVENT_API==1: The user defines lwip_tcp_event() to receive all
* events (accept, sent, etc) that happen in the system.
* LWIP_CALLBACK_API==1: The PCB callback function is called directly
* for the event. This is the default.
*/
#define TCP_MSS CONFIG_TCP_MSS
/**
* TCP_MSL: The maximum segment lifetime in milliseconds
*/
#define TCP_MSL CONFIG_TCP_MSL
/**
* TCP_MAXRTX: Maximum number of retransmissions of data segments.
*/
#define TCP_MAXRTX CONFIG_TCP_MAXRTX
/**
* TCP_SYNMAXRTX: Maximum number of retransmissions of SYN segments.
*/
#define TCP_SYNMAXRTX CONFIG_TCP_SYNMAXRTX
/**
* TCP_LISTEN_BACKLOG: Enable the backlog option for tcp listen pcb.
*/
#define TCP_LISTEN_BACKLOG 1
/**
* TCP_OVERSIZE: The maximum number of bytes that tcp_write may
* allocate ahead of time
*/
#ifdef CONFIG_TCP_OVERSIZE_MSS
#define TCP_OVERSIZE TCP_MSS
#endif
#ifdef CONFIG_TCP_OVERSIZE_QUARTER_MSS
#define TCP_OVERSIZE (TCP_MSS/4)
#endif
#ifdef CONFIG_TCP_OVERSIZE_DISABLE
#define TCP_OVERSIZE 0
#endif
#ifndef TCP_OVERSIZE
#error "One of CONFIG_TCP_OVERSIZE_xxx options should be set by sdkconfig"
#endif
/*
----------------------------------
---------- Pbuf options ----------
----------------------------------
*/
/*
------------------------------------------------
---------- Network Interfaces options ----------
------------------------------------------------
*/
/**
* LWIP_NETIF_HOSTNAME==1: use DHCP_OPTION_HOSTNAME with netif's hostname
* field.
*/
#define LWIP_NETIF_HOSTNAME 1
/**
* LWIP_NETIF_TX_SINGLE_PBUF: if this is set to 1, lwIP tries to put all data
* to be sent into one single pbuf. This is for compatibility with DMA-enabled
* MACs that do not support scatter-gather.
* Beware that this might involve CPU-memcpy before transmitting that would not
* be needed without this flag! Use this only if you need to!
*
* @todo: TCP and IP-frag do not work with this, yet:
*/
#define LWIP_NETIF_TX_SINGLE_PBUF 1
/*
------------------------------------
---------- LOOPIF options ----------
------------------------------------
*/
#ifdef CONFIG_LWIP_NETIF_LOOPBACK
/**
* LWIP_NETIF_LOOPBACK==1: Support sending packets with a destination IP
* address equal to the netif IP address, looping them back up the stack.
*/
#define LWIP_NETIF_LOOPBACK 1
/**
* LWIP_LOOPBACK_MAX_PBUFS: Maximum number of pbufs on queue for loopback
* sending for each netif (0 = disabled)
*/
#define LWIP_LOOPBACK_MAX_PBUFS CONFIG_LWIP_LOOPBACK_MAX_PBUFS
#endif
/*
------------------------------------
---------- SLIPIF options ----------
------------------------------------
*/
/*
------------------------------------
---------- Thread options ----------
------------------------------------
*/
/**
* TCPIP_THREAD_NAME: The name assigned to the main tcpip thread.
*/
#define TCPIP_THREAD_NAME "tiT"
/**
* TCPIP_THREAD_STACKSIZE: The stack size used by the main tcpip thread.
* The stack size value itself is platform-dependent, but is passed to
* sys_thread_new() when the thread is created.
*/
#define TCPIP_THREAD_STACKSIZE ESP_TASK_TCPIP_STACK
/**
* TCPIP_THREAD_PRIO: The priority assigned to the main tcpip thread.
* The priority value itself is platform-dependent, but is passed to
* sys_thread_new() when the thread is created.
*/
#define TCPIP_THREAD_PRIO ESP_TASK_TCPIP_PRIO
/**
* TCPIP_MBOX_SIZE: The mailbox size for the tcpip thread messages
* The queue size value itself is platform-dependent, but is passed to
* sys_mbox_new() when tcpip_init is called.
*/
#define TCPIP_MBOX_SIZE CONFIG_TCPIP_RECVMBOX_SIZE
/**
* DEFAULT_UDP_RECVMBOX_SIZE: The mailbox size for the incoming packets on a
* NETCONN_UDP. The queue size value itself is platform-dependent, but is passed
* to sys_mbox_new() when the recvmbox is created.
*/
#define DEFAULT_UDP_RECVMBOX_SIZE CONFIG_UDP_RECVMBOX_SIZE
/**
* DEFAULT_TCP_RECVMBOX_SIZE: The mailbox size for the incoming packets on a
* NETCONN_TCP. The queue size value itself is platform-dependent, but is passed
* to sys_mbox_new() when the recvmbox is created.
*/
#define DEFAULT_TCP_RECVMBOX_SIZE CONFIG_TCP_RECVMBOX_SIZE
/**
* DEFAULT_ACCEPTMBOX_SIZE: The mailbox size for the incoming connections.
* The queue size value itself is platform-dependent, but is passed to
* sys_mbox_new() when the acceptmbox is created.
*/
#define DEFAULT_ACCEPTMBOX_SIZE 6
/**
* DEFAULT_THREAD_STACKSIZE: The stack size used by any other lwIP thread.
* The stack size value itself is platform-dependent, but is passed to
* sys_thread_new() when the thread is created.
*/
#define DEFAULT_THREAD_STACKSIZE TCPIP_THREAD_STACKSIZE
/**
* DEFAULT_THREAD_PRIO: The priority assigned to any other lwIP thread.
* The priority value itself is platform-dependent, but is passed to
* sys_thread_new() when the thread is created.
*/
#define DEFAULT_THREAD_PRIO TCPIP_THREAD_PRIO
/**
* DEFAULT_RAW_RECVMBOX_SIZE: The mailbox size for the incoming packets on a
* NETCONN_RAW. The queue size value itself is platform-dependent, but is passed
* to sys_mbox_new() when the recvmbox is created.
*/
#define DEFAULT_RAW_RECVMBOX_SIZE 6
/*
----------------------------------------------
---------- Sequential layer options ----------
----------------------------------------------
*/
/**
* LWIP_TCPIP_CORE_LOCKING: (EXPERIMENTAL!)
* Don't use it if you're not an active lwIP project member
*/
#define LWIP_TCPIP_CORE_LOCKING 0
/*
------------------------------------
---------- Socket options ----------
------------------------------------
*/
/**
* LWIP_SO_SNDTIMEO==1: Enable send timeout for sockets/netconns and
* SO_SNDTIMEO processing.
*/
#define LWIP_SO_SNDTIMEO 1
/**
* LWIP_SO_RCVTIMEO==1: Enable receive timeout for sockets/netconns and
* SO_RCVTIMEO processing.
*/
#define LWIP_SO_RCVTIMEO 1
/**
* LWIP_TCP_KEEPALIVE==1: Enable TCP_KEEPIDLE, TCP_KEEPINTVL and TCP_KEEPCNT
* options processing. Note that TCP_KEEPIDLE and TCP_KEEPINTVL have to be set
* in seconds. (does not require sockets.c, and will affect tcp.c)
*/
#define LWIP_TCP_KEEPALIVE 1
/**
* LWIP_SO_RCVBUF==1: Enable SO_RCVBUF processing.
*/
#define LWIP_SO_RCVBUF CONFIG_LWIP_SO_RCVBUF
/**
* SO_REUSE==1: Enable SO_REUSEADDR option.
* This option is set via menuconfig.
*/
#define SO_REUSE CONFIG_LWIP_SO_REUSE
/**
* SO_REUSE_RXTOALL==1: Pass a copy of incoming broadcast/multicast packets
* to all local matches if SO_REUSEADDR is turned on.
* WARNING: Adds a memcpy for every packet if passing to more than one pcb!
*/
#define SO_REUSE_RXTOALL CONFIG_LWIP_SO_REUSE_RXTOALL
/*
----------------------------------------
---------- Statistics options ----------
----------------------------------------
*/
/**
* LWIP_STATS==1: Enable statistics collection in lwip_stats.
*/
#define LWIP_STATS CONFIG_LWIP_STATS
#if LWIP_STATS
/**
* LWIP_STATS_DISPLAY==1: Compile in the statistics output functions.
*/
#define LWIP_STATS_DISPLAY CONFIG_LWIP_STATS
#endif
/*
---------------------------------
---------- PPP options ----------
---------------------------------
*/
/**
* PPP_SUPPORT==1: Enable PPP.
*/
#define PPP_SUPPORT CONFIG_PPP_SUPPORT
#if PPP_SUPPORT
/**
* PAP_SUPPORT==1: Support PAP.
*/
#define PAP_SUPPORT CONFIG_PPP_PAP_SUPPORT
/**
* CHAP_SUPPORT==1: Support CHAP.
*/
#define CHAP_SUPPORT CONFIG_PPP_CHAP_SUPPORT
/**
* MSCHAP_SUPPORT==1: Support MSCHAP.
*/
#define MSCHAP_SUPPORT CONFIG_PPP_MSCHAP_SUPPORT
/**
* CCP_SUPPORT==1: Support CCP.
*/
#define MPPE_SUPPORT CONFIG_PPP_MPPE_SUPPORT
/**
* PPP_MAXIDLEFLAG: Max Xmit idle time (in ms) before resend flag char.
* TODO: If PPP_MAXIDLEFLAG > 0 and next package is send during PPP_MAXIDLEFLAG time,
* then 0x7E is not added at the begining of PPP package but 0x7E termination
* is always at the end. This behaviour brokes PPP dial with GSM (PPPoS).
* The PPP package should always start and end with 0x7E.
*/
#define PPP_MAXIDLEFLAG 0
/**
* PPP_DEBUG: Enable debugging for PPP.
*/
#define PPP_DEBUG_ON CONFIG_PPP_DEBUG_ON
#if PPP_DEBUG_ON
#define PPP_DEBUG LWIP_DBG_ON
#else
#define PPP_DEBUG LWIP_DBG_OFF
#endif
#endif
/*
--------------------------------------
---------- Checksum options ----------
--------------------------------------
*/
/*
---------------------------------------
---------- IPv6 options ---------------
---------------------------------------
*/
/**
* LWIP_IPV6==1: Enable IPv6
*/
#define LWIP_IPV6 1
/*
---------------------------------------
---------- Hook options ---------------
---------------------------------------
*/
#define LWIP_HOOK_IP4_ROUTE_SRC ip4_route_src_hook
/*
---------------------------------------
---------- Debugging options ----------
---------------------------------------
*/
/**
* ETHARP_DEBUG: Enable debugging in etharp.c.
*/
#define ETHARP_DEBUG LWIP_DBG_OFF
/**
* NETIF_DEBUG: Enable debugging in netif.c.
*/
#define NETIF_DEBUG LWIP_DBG_OFF
/**
* PBUF_DEBUG: Enable debugging in pbuf.c.
*/
#define PBUF_DEBUG LWIP_DBG_OFF
/**
* API_LIB_DEBUG: Enable debugging in api_lib.c.
*/
#define API_LIB_DEBUG LWIP_DBG_OFF
/**
* SOCKETS_DEBUG: Enable debugging in sockets.c.
*/
#define SOCKETS_DEBUG LWIP_DBG_OFF
/**
* ICMP_DEBUG: Enable debugging in icmp.c.
*/
#define ICMP_DEBUG LWIP_DBG_OFF
/**
* IP_DEBUG: Enable debugging for IP.
*/
#define IP_DEBUG LWIP_DBG_OFF
/**
* MEMP_DEBUG: Enable debugging in memp.c.
*/
#define MEMP_DEBUG LWIP_DBG_OFF
/**
* TCP_INPUT_DEBUG: Enable debugging in tcp_in.c for incoming debug.
*/
#define TCP_INPUT_DEBUG LWIP_DBG_OFF
/**
* TCP_OUTPUT_DEBUG: Enable debugging in tcp_out.c output functions.
*/
#define TCP_OUTPUT_DEBUG LWIP_DBG_OFF
/**
* TCPIP_DEBUG: Enable debugging in tcpip.c.
*/
#define TCPIP_DEBUG LWIP_DBG_OFF
/**
* ETHARP_TRUST_IP_MAC==1: Incoming IP packets cause the ARP table to be
* updated with the source MAC and IP addresses supplied in the packet.
* You may want to disable this if you do not trust LAN peers to have the
* correct addresses, or as a limited approach to attempt to handle
* spoofing. If disabled, lwIP will need to make a new ARP request if
* the peer is not already in the ARP table, adding a little latency.
* The peer *is* in the ARP table if it requested our address before.
* Also notice that this slows down input processing of every IP packet!
*/
#define ETHARP_TRUST_IP_MAC CONFIG_LWIP_ETHARP_TRUST_IP_MAC
/**
* POSIX I/O functions are mapped to LWIP via the VFS layer
* (see port/vfs_lwip.c)
*/
#define LWIP_POSIX_SOCKETS_IO_NAMES 0
/**
* FD_SETSIZE from sys/types.h is the maximum number of supported file
* descriptors and CONFIG_LWIP_MAX_SOCKETS defines the number of sockets;
* LWIP_SOCKET_OFFSET is configured to use the largest numbers of file
* descriptors for sockets. File descriptors from 0 to LWIP_SOCKET_OFFSET-1
* are non-socket descriptors and from LWIP_SOCKET_OFFSET to FD_SETSIZE are
* socket descriptors.
*/
#define LWIP_SOCKET_OFFSET (FD_SETSIZE - CONFIG_LWIP_MAX_SOCKETS)
/* Enable all Espressif-only options */
#define ESP_LWIP 1
#define ESP_LWIP_ARP 1
#define ESP_PER_SOC_TCP_WND 1
#define ESP_THREAD_SAFE 1
#define ESP_THREAD_SAFE_DEBUG LWIP_DBG_OFF
#define ESP_DHCP 1
#define ESP_DNS 1
#define ESP_IPV6_AUTOCONFIG 1
#define ESP_PERF 0
#define ESP_RANDOM_TCP_PORT 1
#define ESP_IP4_ATON 1
#define ESP_LIGHT_SLEEP 1
#define ESP_L2_TO_L3_COPY CONFIG_L2_TO_L3_COPY
#define ESP_STATS_MEM CONFIG_LWIP_STATS
#define ESP_STATS_DROP CONFIG_LWIP_STATS
#define ESP_STATS_TCP 0
#define ESP_DHCP_TIMER 1
#define ESP_LWIP_LOGI(...) ESP_LOGI("lwip", __VA_ARGS__)
#define ESP_PING 1
#define ESP_HAS_SELECT 1
#if CONFIG_LWIP_IRAM_OPTIMIZATION
#define ESP_IRAM_ATTR IRAM_ATTR
#else
#define ESP_IRAM_ATTR
#endif
#define TCP_WND_DEFAULT CONFIG_TCP_WND_DEFAULT
#define TCP_SND_BUF_DEFAULT CONFIG_TCP_SND_BUF_DEFAULT
#if ESP_PERF
#define DBG_PERF_PATH_SET(dir, point)
#define DBG_PERF_FILTER_LEN 1000
enum {
DBG_PERF_DIR_RX = 0,
DBG_PERF_DIR_TX,
};
enum {
DBG_PERF_POINT_INT = 0,
DBG_PERF_POINT_WIFI_IN = 1,
DBG_PERF_POINT_WIFI_OUT = 2,
DBG_PERF_POINT_LWIP_IN = 3,
DBG_PERF_POINT_LWIP_OUT = 4,
DBG_PERF_POINT_SOC_IN = 5,
DBG_PERF_POINT_SOC_OUT = 6,
};
#else
#define DBG_PERF_PATH_SET(dir, point)
#define DBG_PERF_FILTER_LEN 1000
#endif
#if ESP_PER_SOC_TCP_WND
#define TCP_WND(pcb) (pcb->per_soc_tcp_wnd)
#define TCP_SND_BUF(pcb) (pcb->per_soc_tcp_snd_buf)
#endif
/**
* DHCP_DEBUG: Enable debugging in dhcp.c.
*/
#define DHCP_DEBUG LWIP_DBG_OFF
#define LWIP_DEBUG LWIP_DBG_OFF
#define TCP_DEBUG LWIP_DBG_OFF
#define CHECKSUM_CHECK_UDP 0
#define CHECKSUM_CHECK_IP 0
#define LWIP_NETCONN_FULLDUPLEX 1
#define LWIP_NETCONN_SEM_PER_THREAD 1
#define LWIP_DHCP_MAX_NTP_SERVERS CONFIG_LWIP_DHCP_MAX_NTP_SERVERS
#define LWIP_TIMEVAL_PRIVATE 0
#define SNTP_SET_SYSTEM_TIME_US(sec, us) \
do { \
struct timeval tv = { .tv_sec = sec, .tv_usec = us }; \
settimeofday(&tv, NULL); \
} while (0);
#define SNTP_GET_SYSTEM_TIME(sec, us) \
do { \
struct timeval tv = { .tv_sec = 0, .tv_usec = 0 }; \
gettimeofday(&tv, NULL); \
(sec) = tv.tv_sec; \
(us) = tv.tv_usec; \
} while (0);
#define SOC_SEND_LOG //printf
#endif /* __LWIPOPTS_H__ */

35
components/lwip/include/lwip/port/netif/ethernetif.h
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@@ -1,35 +0,0 @@
// Copyright 2015-2016 Espressif Systems (Shanghai) PTE LTD
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#ifndef _ETH_LWIP_IF_H_
#define _ETH_LWIP_IF_H_
#include "lwip/err.h"
#ifdef __cplusplus
extern "C" {
#endif
err_t ethernetif_init(struct netif *netif);
void ethernetif_input(struct netif *netif, void *buffer, u16_t len);
void netif_reg_addr_change_cb(void* cb);
#ifdef __cplusplus
}
#endif
#endif /* _ETH_LWIP_IF_H_ */

42
components/lwip/include/lwip/port/netif/wlanif.h
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@@ -1,42 +0,0 @@
// Copyright 2015-2016 Espressif Systems (Shanghai) PTE LTD
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#ifndef _WLAN_LWIP_IF_H_
#define _WLAN_LWIP_IF_H_
#include "esp_wifi.h"
#include "esp_wifi_internal.h"
#include "lwip/err.h"
#ifdef __cplusplus
extern "C" {
#endif
err_t wlanif_init_ap(struct netif *netif);
err_t wlanif_init_sta(struct netif *netif);
void wlanif_input(struct netif *netif, void *buffer, u16_t len, void* eb);
wifi_interface_t wifi_get_interface(void *dev);
void netif_reg_addr_change_cb(void* cb);
#ifdef __cplusplus
}
#endif
#endif /* _WLAN_LWIP_IF_H_ */

22
components/lwip/include/lwip/port/netinet/in.h
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@@ -1,22 +0,0 @@
// Copyright 2015-2016 Espressif Systems (Shanghai) PTE LTD
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#ifndef IN_H_
#define IN_H_
#include "lwip/inet.h"
#define IN6_IS_ADDR_MULTICAST(a) IN_MULTICAST(a)
#endif /* IN_H_ */

33
components/lwip/include/lwip/posix/sys/socket.h
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@@ -1,33 +0,0 @@
/**
* @file
* This file is a posix wrapper for lwip/sockets.h.
*/
/*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* This file is part of the lwIP TCP/IP stack.
*
*/
#include "lwip/sockets.h"