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lwip/linux: Add lwip support for networking component under linux

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linux/lwip: Wrap some IO posix functions
* to workaourd the FreeRTOS EINTR issue (when building without lwip)
* to correctly choose the sub-system based on fd (when building with
lwip) -- passing control to either linux/system or to lwip
This commit also addapts tapio-if to provide DHCP client by default and
configurable settings for static IP
This commit is contained in:
David Cermak
2023-04-03 20:31:51 +02:00
committed by David Čermák
parent 0bfffa0160
commit b2af4d9689
31 changed files with 277 additions and 88 deletions
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19
examples/common_components/protocol_examples_tapif_io/linux/tapio.c
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@@ -4,26 +4,25 @@
* SPDX-License-Identifier: Apache-2.0
*/
#include <stdlib.h>
#include "esp_err.h"
#include "esp_log.h"
#include <stdlib.h>
#include "esp_netif.h"
#include <fcntl.h>
#include <stdlib.h>
#include <stdio.h>
#include <unistd.h>
#include <string.h>
#include "esp_err.h"
#include "esp_log.h"
#include "esp_netif.h"
// Use linux system sockets to connect to tap interface
#define LWIP_HDR_LINUX_SYS_SOCKETS_H
#include <sys/socket.h>
#include <fcntl.h>
#include <sys/ioctl.h>
#include <sys/types.h>
#include <sys/ioctl.h>
#include <lwip/sys.h>
#include "errno.h"
#define LWIP_HDR_LINUX_SYS_SOCKETS_H
#include <linux/if.h>
#include <linux/if_tun.h>
#include <esp_netif_net_stack.h>
#define DEVTAP "/dev/net/tun"
#define DEVTAP_NAME "tap0"