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552 lines
18 KiB
C
552 lines
18 KiB
C
// Copyright 2015-2016 Espressif Systems (Shanghai) PTE LTD
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#ifndef _TCPIP_ADAPTER_H_
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#define _TCPIP_ADAPTER_H_
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/**
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* @brief TCPIP adapter library
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*
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* The aim of this adapter is to provide an abstract layer upon TCPIP stack.
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* With this layer, switch to other TCPIP stack is possible and easy in esp-idf.
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*
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* If users want to use other TCPIP stack, all those functions should be implemented
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* by using the specific APIs of that stack. The macros in CONFIG_TCPIP_LWIP should be
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* re-defined.
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*
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* tcpip_adapter_init should be called in the start of app_main for only once.
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*
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* Currently most adapter APIs are called in event_default_handlers.c.
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*
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* We recommend users only use set/get IP APIs, DHCP server/client APIs,
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* get free station list APIs in application side. Other APIs are used in esp-idf internal,
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* otherwise the state maybe wrong.
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*
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* TODO: ipv6 support will be added, use menuconfig to disable CONFIG_TCPIP_LWIP
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*/
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#include <stdint.h>
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#include "rom/queue.h"
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#include "esp_wifi_types.h"
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#define CONFIG_TCPIP_LWIP 1
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#define CONFIG_DHCP_STA_LIST 1
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#if CONFIG_TCPIP_LWIP
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#include "lwip/ip_addr.h"
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#include "apps/dhcpserver.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define IP2STR(ipaddr) ip4_addr1_16(ipaddr), \
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ip4_addr2_16(ipaddr), \
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ip4_addr3_16(ipaddr), \
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ip4_addr4_16(ipaddr)
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#define IPSTR "%d.%d.%d.%d"
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#define IPV62STR(ipaddr) IP6_ADDR_BLOCK1(&(ipaddr)), \
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IP6_ADDR_BLOCK2(&(ipaddr)), \
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IP6_ADDR_BLOCK3(&(ipaddr)), \
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IP6_ADDR_BLOCK4(&(ipaddr)), \
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IP6_ADDR_BLOCK5(&(ipaddr)), \
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IP6_ADDR_BLOCK6(&(ipaddr)), \
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IP6_ADDR_BLOCK7(&(ipaddr)), \
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IP6_ADDR_BLOCK8(&(ipaddr))
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#define IPV6STR "%04x:%04x:%04x:%04x:%04x:%04x:%04x:%04x"
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typedef struct {
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ip4_addr_t ip;
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ip4_addr_t netmask;
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ip4_addr_t gw;
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} tcpip_adapter_ip_info_t;
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typedef struct {
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ip6_addr_t ip;
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} tcpip_adapter_ip6_info_t;
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typedef dhcps_lease_t tcpip_adapter_dhcps_lease_t;
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#if CONFIG_DHCP_STA_LIST
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typedef struct {
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uint8_t mac[6];
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ip4_addr_t ip;
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} tcpip_adapter_sta_info_t;
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typedef struct {
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tcpip_adapter_sta_info_t sta[ESP_WIFI_MAX_CONN_NUM];
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int num;
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} tcpip_adapter_sta_list_t;
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#endif
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#endif
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#define ESP_ERR_TCPIP_ADAPTER_BASE 0x5000 // TODO: move base address to esp_err.h
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#define ESP_ERR_TCPIP_ADAPTER_INVALID_PARAMS ESP_ERR_TCPIP_ADAPTER_BASE + 0x00
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#define ESP_ERR_TCPIP_ADAPTER_IF_NOT_READY ESP_ERR_TCPIP_ADAPTER_BASE + 0x01
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#define ESP_ERR_TCPIP_ADAPTER_DHCPC_START_FAILED ESP_ERR_TCPIP_ADAPTER_BASE + 0x02
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#define ESP_ERR_TCPIP_ADAPTER_DHCP_ALREADY_STARTED ESP_ERR_TCPIP_ADAPTER_BASE + 0x03
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#define ESP_ERR_TCPIP_ADAPTER_DHCP_ALREADY_STOPPED ESP_ERR_TCPIP_ADAPTER_BASE + 0x04
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#define ESP_ERR_TCPIP_ADAPTER_NO_MEM ESP_ERR_TCPIP_ADAPTER_BASE + 0x05
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#define ESP_ERR_TCPIP_ADAPTER_DHCP_NOT_STOPPED ESP_ERR_TCPIP_ADAPTER_BASE + 0x06
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/* TODO: add Ethernet interface */
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typedef enum {
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TCPIP_ADAPTER_IF_STA = 0, /**< ESP32 station interface */
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TCPIP_ADAPTER_IF_AP, /**< ESP32 soft-AP interface */
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TCPIP_ADAPTER_IF_ETH, /**< ESP32 ethernet interface */
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TCPIP_ADAPTER_IF_MAX
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} tcpip_adapter_if_t;
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/* status of DHCP client or DHCP server */
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typedef enum {
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TCPIP_ADAPTER_DHCP_INIT = 0, /**< DHCP client/server in initial state */
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TCPIP_ADAPTER_DHCP_STARTED, /**< DHCP client/server already been started */
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TCPIP_ADAPTER_DHCP_STOPPED, /**< DHCP client/server already been stopped */
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TCPIP_ADAPTER_DHCP_STATUS_MAX
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} tcpip_adapter_dhcp_status_t;
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/* set the option mode for DHCP client or DHCP server */
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typedef enum{
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TCPIP_ADAPTER_OP_START = 0,
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TCPIP_ADAPTER_OP_SET, /**< set option mode */
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TCPIP_ADAPTER_OP_GET, /**< get option mode */
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TCPIP_ADAPTER_OP_MAX
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} tcpip_adapter_option_mode_t;
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typedef enum{
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TCPIP_ADAPTER_ROUTER_SOLICITATION_ADDRESS = 32, /**< solicitation router address */
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TCPIP_ADAPTER_REQUESTED_IP_ADDRESS = 50, /**< request IP address pool */
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TCPIP_ADAPTER_IP_ADDRESS_LEASE_TIME = 51, /**< request IP address lease time */
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TCPIP_ADAPTER_IP_REQUEST_RETRY_TIME = 52, /**< request IP address retry counter */
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} tcpip_adapter_option_id_t;
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struct tcpip_adapter_api_msg_s;
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typedef int (*tcpip_adapter_api_fn)(struct tcpip_adapter_api_msg_s *msg);
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typedef struct tcpip_adapter_api_msg_s {
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int type; /**< The first field MUST be int */
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int ret;
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tcpip_adapter_api_fn api_fn;
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tcpip_adapter_if_t tcpip_if;
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tcpip_adapter_ip_info_t *ip_info;
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uint8_t *mac;
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const char *hostname;
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} tcpip_adapter_api_msg_t;
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#define TCPIP_ADAPTER_TRHEAD_SAFE 1
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#define TCPIP_ADAPTER_IPC_LOCAL 0
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#define TCPIP_ADAPTER_IPC_REMOTE 1
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#define TCPIP_ADAPTER_IPC_CALL(_if, _mac, _ip, _hostname, _fn) do {\
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tcpip_adapter_api_msg_t msg;\
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if (tcpip_inited == false) {\
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ESP_LOGE(TAG, "tcpip_adapter is not initialized!");\
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abort();\
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}\
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memset(&msg, 0, sizeof(msg));\
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msg.tcpip_if = (_if);\
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msg.mac = (_mac);\
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msg.ip_info = (_ip);\
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msg.hostname = (_hostname);\
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msg.api_fn = (_fn);\
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if (TCPIP_ADAPTER_IPC_REMOTE == tcpip_adapter_ipc_check(&msg)) {\
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ESP_LOGD(TAG, "check: remote, if=%d fn=%p\n", (_if), (_fn));\
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return msg.ret;\
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} else {\
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ESP_LOGD(TAG, "check: local, if=%d fn=%p\n", (_if), (_fn));\
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}\
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}while(0)
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typedef struct tcpip_adatper_ip_lost_timer_s {
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bool timer_running;
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} tcpip_adapter_ip_lost_timer_t;
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/**
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* @brief Initialize tcpip adapter
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*
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* This will initialize TCPIP stack inside.
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*/
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void tcpip_adapter_init(void);
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/**
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* @brief Start the ethernet interface with specific MAC and IP
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*
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* @param[in] mac: set MAC address of this interface
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* @param[in] ip_info: set IP address of this interface
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*
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* @return ESP_OK
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* ESP_ERR_TCPIP_ADAPTER_INVALID_PARAMS
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* ESP_ERR_NO_MEM
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*/
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esp_err_t tcpip_adapter_eth_start(uint8_t *mac, tcpip_adapter_ip_info_t *ip_info);
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/**
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* @brief Start the Wi-Fi station interface with specific MAC and IP
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*
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* Station interface will be initialized, connect WiFi stack with TCPIP stack.
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*
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* @param[in] mac: set MAC address of this interface
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* @param[in] ip_info: set IP address of this interface
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*
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* @return ESP_OK
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* ESP_ERR_TCPIP_ADAPTER_INVALID_PARAMS
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* ESP_ERR_NO_MEM
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*/
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esp_err_t tcpip_adapter_sta_start(uint8_t *mac, tcpip_adapter_ip_info_t *ip_info);
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/**
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* @brief Start the Wi-Fi AP interface with specific MAC and IP
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*
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* softAP interface will be initialized, connect WiFi stack with TCPIP stack.
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*
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* DHCP server will be started automatically.
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*
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* @param[in] mac: set MAC address of this interface
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* @param[in] ip_info: set IP address of this interface
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*
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* @return ESP_OK
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* ESP_ERR_TCPIP_ADAPTER_INVALID_PARAMS
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* ESP_ERR_NO_MEM
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*/
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esp_err_t tcpip_adapter_ap_start(uint8_t *mac, tcpip_adapter_ip_info_t *ip_info);
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/**
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* @brief Stop an interface
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*
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* The interface will be cleanup in this API, if DHCP server/client are started, will be stopped.
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*
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* @param[in] tcpip_if: the interface which will be started
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*
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* @return ESP_OK
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* ESP_ERR_TCPIP_ADAPTER_INVALID_PARAMS
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* ESP_ERR_TCPIP_ADAPTER_IF_NOT_READY
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*/
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esp_err_t tcpip_adapter_stop(tcpip_adapter_if_t tcpip_if);
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/**
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* @brief Bring up an interface
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*
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* Only station interface need to be brought up, since station interface will be shut down when disconnect.
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*
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* @param[in] tcpip_if: the interface which will be up
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*
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* @return ESP_OK
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* ESP_ERR_TCPIP_ADAPTER_IF_NOT_READY
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*/
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esp_err_t tcpip_adapter_up(tcpip_adapter_if_t tcpip_if);
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/**
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* @brief Shut down an interface
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*
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* Only station interface need to be shut down, since station interface will be brought up when connect.
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*
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* @param[in] tcpip_if: the interface which will be down
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*
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* @return ESP_OK
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* ESP_ERR_TCPIP_ADAPTER_IF_NOT_READY
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*/
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esp_err_t tcpip_adapter_down(tcpip_adapter_if_t tcpip_if);
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/**
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* @brief Get interface's IP information
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*
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* There has an IP information copy in adapter library, if interface is up, get IP information from
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* interface, otherwise get from copy.
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*
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* @param[in] tcpip_if: the interface which we want to get IP information
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* @param[out] ip_info: If successful, IP information will be returned in this argument.
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*
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* @return ESP_OK
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* ESP_ERR_TCPIP_ADAPTER_INVALID_PARAMS
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*/
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esp_err_t tcpip_adapter_get_ip_info(tcpip_adapter_if_t tcpip_if, tcpip_adapter_ip_info_t *ip_info);
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/**
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* @brief Set interface's IP information
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*
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* There has an IP information copy in adapter library, if interface is up, also set interface's IP.
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* DHCP client/server should be stopped before set new IP information.
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*
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* This function is mainly used for setting static IP.
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*
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* @param[in] tcpip_if: the interface which we want to set IP information
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* @param[in] ip_info: store the IP information which needs to be set to specified interface
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*
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* @return ESP_OK
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* ESP_ERR_TCPIP_ADAPTER_INVALID_PARAMS
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*/
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esp_err_t tcpip_adapter_set_ip_info(tcpip_adapter_if_t tcpip_if, tcpip_adapter_ip_info_t *ip_info);
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/**
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* @brief Get interface's old IP information
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*
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* When the interface successfully gets a valid IP from DHCP server or static configured, a copy of
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* the IP information is set to the old IP information. When IP lost timer expires, the old IP
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* information is reset to 0.
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*
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* @param[in] tcpip_if: the interface which we want to get old IP information
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* @param[out] ip_info: If successful, IP information will be returned in this argument.
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*
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* @return ESP_OK
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* ESP_ERR_TCPIP_ADAPTER_INVALID_PARAMS
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*/
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esp_err_t tcpip_adapter_get_old_ip_info(tcpip_adapter_if_t tcpip_if, tcpip_adapter_ip_info_t *ip_info);
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/**
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* @brief Set interface's old IP information
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*
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* When the interface successfully gets a valid IP from DHCP server or static configured, a copy of
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* the IP information is set to the old IP information. When IP lost timer expires, the old IP
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* information is reset to 0.
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*
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* @param[in] tcpip_if: the interface which we want to set old IP information
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* @param[in] ip_info: store the IP information which needs to be set to specified interface
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*
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* @return ESP_OK
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* ESP_ERR_TCPIP_ADAPTER_INVALID_PARAMS
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*/
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esp_err_t tcpip_adapter_set_old_ip_info(tcpip_adapter_if_t tcpip_if, tcpip_adapter_ip_info_t *ip_info);
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/**
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* @brief create interface's linklocal IPv6 information
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*
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* @note this function will create a linklocal IPv6 address about input interface,
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* if this address status changed to preferred, will call event call back ,
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* notify user linklocal IPv6 address has been verified
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*
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* @param[in] tcpip_if: the interface which we want to set IP information
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*
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*
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* @return ESP_OK
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* ESP_ERR_TCPIP_ADAPTER_INVALID_PARAMS
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*/
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esp_err_t tcpip_adapter_create_ip6_linklocal(tcpip_adapter_if_t tcpip_if);
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/**
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* @brief get interface's linkloacl IPv6 information
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*
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* There has an IPv6 information copy in adapter library, if interface is up,and IPv6 info
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* is preferred,it will get IPv6 linklocal IP successfully
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*
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* @param[in] tcpip_if: the interface which we want to set IP information
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* @param[in] if_ip6: If successful, IPv6 information will be returned in this argument.
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*
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* @return ESP_OK
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* ESP_ERR_TCPIP_ADAPTER_INVALID_PARAMS
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*/
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esp_err_t tcpip_adapter_get_ip6_linklocal(tcpip_adapter_if_t tcpip_if, ip6_addr_t *if_ip6);
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#if 0
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esp_err_t tcpip_adapter_get_mac(tcpip_adapter_if_t tcpip_if, uint8_t *mac);
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esp_err_t tcpip_adapter_set_mac(tcpip_adapter_if_t tcpip_if, uint8_t *mac);
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#endif
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/**
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* @brief Get DHCP server's status
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*
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* @param[in] tcpip_if: the interface which we will get status of DHCP server
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* @param[out] status: If successful, the status of DHCP server will be return in this argument.
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*
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* @return ESP_OK
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*/
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esp_err_t tcpip_adapter_dhcps_get_status(tcpip_adapter_if_t tcpip_if, tcpip_adapter_dhcp_status_t *status);
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/**
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* @brief Set or Get DHCP server's option
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*
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* @param[in] opt_op: option operate type, 1 for SET, 2 for GET.
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* @param[in] opt_id: option index, 32 for ROUTER, 50 for IP POLL, 51 for LEASE TIME, 52 for REQUEST TIME
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* @param[in] opt_val: option parameter
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* @param[in] opt_len: option length
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*
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* @return ESP_OK
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* ESP_ERR_TCPIP_ADAPTER_INVALID_PARAMS
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* ESP_ERR_TCPIP_ADAPTER_DHCP_ALREADY_STOPPED
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* ESP_ERR_TCPIP_ADAPTER_DHCP_ALREADY_STARTED
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*/
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esp_err_t tcpip_adapter_dhcps_option(tcpip_adapter_option_mode_t opt_op, tcpip_adapter_option_id_t opt_id, void *opt_val, uint32_t opt_len);
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/**
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* @brief Start DHCP server
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*
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* @note Currently DHCP server is bind to softAP interface.
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*
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* @param[in] tcpip_if: the interface which we will start DHCP server
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*
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* @return ESP_OK
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* ESP_ERR_TCPIP_ADAPTER_INVALID_PARAMS
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* ESP_ERR_TCPIP_ADAPTER_DHCP_ALREADY_STARTED
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*/
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esp_err_t tcpip_adapter_dhcps_start(tcpip_adapter_if_t tcpip_if);
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/**
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* @brief Stop DHCP server
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*
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* @note Currently DHCP server is bind to softAP interface.
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*
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* @param[in] tcpip_if: the interface which we will stop DHCP server
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*
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* @return ESP_OK
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* ESP_ERR_TCPIP_ADAPTER_INVALID_PARAMS
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* ESP_ERR_TCPIP_ADAPTER_DHCP_ALREADY_STOPED
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* ESP_ERR_TCPIP_ADAPTER_IF_NOT_READY
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*/
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esp_err_t tcpip_adapter_dhcps_stop(tcpip_adapter_if_t tcpip_if);
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/**
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* @brief Get DHCP client status
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*
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* @param[in] tcpip_if: the interface which we will get status of DHCP client
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* @param[out] status: If successful, the status of DHCP client will be return in this argument.
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*
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* @return ESP_OK
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*/
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esp_err_t tcpip_adapter_dhcpc_get_status(tcpip_adapter_if_t tcpip_if, tcpip_adapter_dhcp_status_t *status);
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/**
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* @brief Set or Get DHCP client's option
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*
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* @note This function is not implement now.
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*
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* @param[in] opt_op: option operate type, 1 for SET, 2 for GET.
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* @param[in] opt_id: option index, 32 for ROUTER, 50 for IP POLL, 51 for LEASE TIME, 52 for REQUEST TIME
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* @param[in] opt_val: option parameter
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* @param[in] opt_len: option length
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*
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* @return ESP_OK
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*/
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esp_err_t tcpip_adapter_dhcpc_option(tcpip_adapter_option_mode_t opt_op, tcpip_adapter_option_id_t opt_id, void *opt_val, uint32_t opt_len);
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/**
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* @brief Start DHCP client
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*
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* @note Currently DHCP client is bind to station interface.
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*
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* @param[in] tcpip_if: the interface which we will start DHCP client
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*
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* @return ESP_OK
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* ESP_ERR_TCPIP_ADAPTER_INVALID_PARAMS
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* ESP_ERR_TCPIP_ADAPTER_DHCP_ALREADY_STARTED
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* ESP_ERR_TCPIP_ADAPTER_DHCPC_START_FAILED
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*/
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esp_err_t tcpip_adapter_dhcpc_start(tcpip_adapter_if_t tcpip_if);
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/**
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* @brief Stop DHCP client
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*
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* @note Currently DHCP client is bind to station interface.
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*
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* @param[in] tcpip_if: the interface which we will stop DHCP client
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*
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* @return ESP_OK
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* ESP_ERR_TCPIP_ADAPTER_INVALID_PARAMS
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* ESP_ERR_TCPIP_ADAPTER_DHCP_ALREADY_STOPED
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* ESP_ERR_TCPIP_ADAPTER_IF_NOT_READY
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*/
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esp_err_t tcpip_adapter_dhcpc_stop(tcpip_adapter_if_t tcpip_if);
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esp_err_t tcpip_adapter_eth_input(void *buffer, uint16_t len, void *eb);
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/**
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* @brief Get data from station interface
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*
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* This function should be installed by esp_wifi_reg_rxcb, so WiFi packets will be forward to TCPIP stack.
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*
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* @param[in] void *buffer: the received data point
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* @param[in] uint16_t len: the received data length
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* @param[in] void *eb: parameter
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*
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* @return ESP_OK
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*/
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esp_err_t tcpip_adapter_sta_input(void *buffer, uint16_t len, void *eb);
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/**
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* @brief Get data from softAP interface
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*
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* This function should be installed by esp_wifi_reg_rxcb, so WiFi packets will be forward to TCPIP stack.
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*
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* @param[in] void *buffer: the received data point
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* @param[in] uint16_t len: the received data length
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* @param[in] void *eb: parameter
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*
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* @return ESP_OK
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*/
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esp_err_t tcpip_adapter_ap_input(void *buffer, uint16_t len, void *eb);
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/**
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* @brief Get WiFi interface index
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*
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* Get WiFi interface from TCPIP interface struct pointer.
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*
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* @param[in] void *dev: adapter interface
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*
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* @return ESP_IF_WIFI_STA
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* ESP_IF_WIFI_AP
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ESP_IF_ETH
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* ESP_IF_MAX
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*/
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esp_interface_t tcpip_adapter_get_esp_if(void *dev);
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/**
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* @brief Get the station information list
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*
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* @param[in] wifi_sta_list_t *wifi_sta_list: station list info
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* @param[out] tcpip_adapter_sta_list_t *tcpip_sta_list: station list info
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*
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* @return ESP_OK
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* ESP_ERR_TCPIP_ADAPTER_NO_MEM
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* ESP_ERR_TCPIP_ADAPTER_INVALID_PARAMS
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*/
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esp_err_t tcpip_adapter_get_sta_list(wifi_sta_list_t *wifi_sta_list, tcpip_adapter_sta_list_t *tcpip_sta_list);
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#define TCPIP_HOSTNAME_MAX_SIZE 32
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/**
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* @brief Set the hostname to the interface
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*
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* @param[in] tcpip_if: the interface which we will set the hostname
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* @param[in] hostname: the host name for set the interface, the max length of hostname is 32 bytes
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*
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* @return ESP_OK:success
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* ESP_ERR_TCPIP_ADAPTER_IF_NOT_READY:interface status error
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* ESP_ERR_TCPIP_ADAPTER_INVALID_PARAMS:parameter error
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*/
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esp_err_t tcpip_adapter_set_hostname(tcpip_adapter_if_t tcpip_if, const char *hostname);
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/**
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* @brief Get the hostname from the interface
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*
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* @param[in] tcpip_if: the interface which we will get the hostname
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* @param[in] hostname: the host name from the interface
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*
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* @return ESP_OK:success
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* ESP_ERR_TCPIP_ADAPTER_IF_NOT_READY:interface status error
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* ESP_ERR_TCPIP_ADAPTER_INVALID_PARAMS:parameter error
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*/
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esp_err_t tcpip_adapter_get_hostname(tcpip_adapter_if_t tcpip_if, const char **hostname);
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#ifdef __cplusplus
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}
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#endif
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#endif /* _TCPIP_ADAPTER_H_ */
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