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esp-idf/components/tcpip_adapter/tcpip_adapter_lwip.c

451 wiersze
13 KiB
C
Czysty Wina Historia

// 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.
#include <stdio.h>
#include <string.h>
#include "tcpip_adapter.h"
#if CONFIG_TCPIP_LWIP
#include "lwip/inet.h"
#include "lwip/tcpip.h"
#include "lwip/dhcp.h"
#include "lwip/ip_addr.h"
#include "netif/wlanif.h"
#include "apps/dhcpserver.h"
static struct netif *esp_netif[TCPIP_ADAPTER_IF_MAX];
static struct ip_info esp_ip[TCPIP_ADAPTER_IF_MAX];
static tcpip_adapter_dhcp_status_t dhcps_status = TCPIP_ADAPTER_DHCP_INIT;
static tcpip_adapter_dhcp_status_t dhcpc_status = TCPIP_ADAPTER_DHCP_INIT;
static esp_err_t tcpip_adapter_addr_change_cb(struct netif *netif);
#define TCPIP_ADAPTER_DEBUG ets_printf
void tcpip_adapter_init(void)
{
static bool tcpip_inited = false;
if (tcpip_inited == false) {
tcpip_inited = true;
tcpip_init(NULL, NULL);
IP4_ADDR(&esp_ip[TCPIP_ADAPTER_IF_AP].ip, 192, 168 , 4, 1);
IP4_ADDR(&esp_ip[TCPIP_ADAPTER_IF_AP].gw, 192, 168 , 4, 1);
IP4_ADDR(&esp_ip[TCPIP_ADAPTER_IF_AP].netmask, 255, 255 , 255, 0);
}
netif_reg_addr_change_cb(tcpip_adapter_addr_change_cb);
}
esp_err_t tcpip_adapter_start(tcpip_adapter_if_t tcpip_if, uint8_t *mac, struct ip_info *info)
{
if (tcpip_if >= TCPIP_ADAPTER_IF_MAX || mac == NULL || info == NULL) {
return ESP_ERR_TCPIP_ADAPTER_INVALID_PARAMS;
}
if (esp_netif[tcpip_if] == NULL) {
esp_netif[tcpip_if] = malloc(sizeof(struct netif));
if (esp_netif[tcpip_if] == NULL) {
return ESP_ERR_NO_MEM;
}
memcpy(esp_netif[tcpip_if]->hwaddr, mac, NETIF_MAX_HWADDR_LEN);
netif_add(esp_netif[tcpip_if], &info->ip, &info->netmask, &info->gw, NULL, wlanif_init, tcpip_input);
}
if (tcpip_if == TCPIP_ADAPTER_IF_AP) {
netif_set_up(esp_netif[tcpip_if]);
if (dhcps_status == TCPIP_ADAPTER_DHCP_INIT) {
dhcps_start(esp_netif[tcpip_if]);
printf("dhcp server start:(ip: %s, mask: %s, gw: %s)\n", inet_ntoa(info->ip), inet_ntoa(info->netmask), inet_ntoa(info->gw));
dhcps_status = TCPIP_ADAPTER_DHCP_STARTED;
}
}
/* if ap is on, choose ap as default if */
if (esp_netif[TCPIP_ADAPTER_IF_AP]) {
netif_set_default(esp_netif[TCPIP_ADAPTER_IF_AP]);
} else if (esp_netif[TCPIP_ADAPTER_IF_STA]) {
netif_set_default(esp_netif[TCPIP_ADAPTER_IF_STA]);
}
return ESP_OK;
}
esp_err_t tcpip_adapter_stop(tcpip_adapter_if_t tcpip_if)
{
if (tcpip_if >= TCPIP_ADAPTER_IF_MAX) {
return ESP_ERR_TCPIP_ADAPTER_INVALID_PARAMS;
}
if (esp_netif[tcpip_if] == NULL) {
return ESP_ERR_TCPIP_ADAPTER_IF_NOT_READY;
}
if (tcpip_if == TCPIP_ADAPTER_IF_AP) {
dhcps_stop(esp_netif[tcpip_if]); // TODO: dhcps checks status by its self
dhcps_status = TCPIP_ADAPTER_DHCP_INIT;
} else if (tcpip_if == TCPIP_ADAPTER_IF_STA) {
dhcp_stop(esp_netif[tcpip_if]);
dhcpc_status = TCPIP_ADAPTER_DHCP_INIT;
}
netif_remove(esp_netif[tcpip_if]);
free(esp_netif[tcpip_if]);
esp_netif[tcpip_if] = NULL;
/* in ap + sta mode, if stop ap, choose sta as default if */
if (esp_netif[TCPIP_ADAPTER_IF_STA] && tcpip_if == TCPIP_ADAPTER_IF_AP) {
netif_set_default(esp_netif[TCPIP_ADAPTER_IF_STA]);
}
return ESP_OK;
}
esp_err_t tcpip_adapter_up(tcpip_adapter_if_t tcpip_if)
{
if (tcpip_if == TCPIP_ADAPTER_IF_STA) {
if (esp_netif[tcpip_if] == NULL){
return ESP_ERR_TCPIP_ADAPTER_IF_NOT_READY;
}
netif_set_up(esp_netif[tcpip_if]);
}
return ESP_OK;
}
esp_err_t tcpip_adapter_down(tcpip_adapter_if_t tcpip_if)
{
if (tcpip_if == TCPIP_ADAPTER_IF_STA) {
if (esp_netif[tcpip_if] == NULL){
return ESP_ERR_TCPIP_ADAPTER_IF_NOT_READY;
}
if (esp_netif[tcpip_if]->dhcp != NULL) {
dhcp_release(esp_netif[tcpip_if]);
dhcp_stop(esp_netif[tcpip_if]);
dhcp_cleanup(esp_netif[tcpip_if]);
dhcpc_status = TCPIP_ADAPTER_DHCP_STOPED;
} else {
netif_set_down(esp_netif[tcpip_if]);
netif_set_addr(esp_netif[tcpip_if], IP4_ADDR_ANY, IP4_ADDR_ANY, IP4_ADDR_ANY);
}
}
return ESP_OK;
}
esp_err_t tcpip_adapter_get_ip_info(tcpip_adapter_if_t tcpip_if, struct ip_info *if_ip)
{
struct netif *p_netif;
if (tcpip_if >= TCPIP_ADAPTER_IF_MAX || if_ip == NULL) {
return ESP_ERR_TCPIP_ADAPTER_INVALID_PARAMS;
}
p_netif = esp_netif[tcpip_if];
if (p_netif != NULL && netif_is_up(p_netif)) {
ip4_addr_set(&if_ip->ip, ip_2_ip4(&p_netif->ip_addr));
ip4_addr_set(&if_ip->netmask, ip_2_ip4(&p_netif->netmask));
ip4_addr_set(&if_ip->gw, ip_2_ip4(&p_netif->gw));
return ESP_OK;
}
ip4_addr_copy(if_ip->ip, esp_ip[tcpip_if].ip);
ip4_addr_copy(if_ip->gw, esp_ip[tcpip_if].gw);
ip4_addr_copy(if_ip->netmask, esp_ip[tcpip_if].netmask);
return ESP_OK;
}
esp_err_t tcpip_adapter_addr_change_cb(struct netif *netif)
{
tcpip_adapter_if_t tcpip_if;
if (!netif) {
TCPIP_ADAPTER_DEBUG("null netif=%p\n", netif);
return ESP_ERR_TCPIP_ADAPTER_IF_NOT_READY;
}
if (netif == esp_netif[TCPIP_ADAPTER_IF_STA]) {
tcpip_if = TCPIP_ADAPTER_IF_STA;
} else if (netif == esp_netif[TCPIP_ADAPTER_IF_AP]){
tcpip_if = TCPIP_ADAPTER_IF_AP;
} else {
TCPIP_ADAPTER_DEBUG("invalid netif=%p\n", netif);
return ESP_ERR_TCPIP_ADAPTER_IF_NOT_READY;
}
//check whether IP is changed
if ( !ip4_addr_cmp(ip_2_ip4(&netif->ip_addr), &esp_ip[tcpip_if].ip) ||
!ip4_addr_cmp(ip_2_ip4(&netif->gw), &esp_ip[tcpip_if].gw) ||
!ip4_addr_cmp(ip_2_ip4(&netif->netmask), &esp_ip[tcpip_if].netmask) ) {
ip4_addr_set(&esp_ip[tcpip_if].ip, ip_2_ip4(&netif->ip_addr));
ip4_addr_set(&esp_ip[tcpip_if].netmask, ip_2_ip4(&netif->netmask));
ip4_addr_set(&esp_ip[tcpip_if].gw, ip_2_ip4(&netif->gw));
//notify event
printf("ip: %s, ", inet_ntoa(esp_ip[tcpip_if].ip));
printf("mask: %s, ", inet_ntoa(esp_ip[tcpip_if].netmask));
printf("gw: %s\n", inet_ntoa(esp_ip[tcpip_if].gw));
if (ip_2_ip4(&netif->ip_addr) != IP4_ADDR_ANY) {
}
} else {
TCPIP_ADAPTER_DEBUG("ip unchanged\n");
}
return ESP_OK;
}
esp_err_t tcpip_adapter_set_ip_info(tcpip_adapter_if_t tcpip_if, struct ip_info *if_ip)
{
struct netif *p_netif;
if (tcpip_if >= TCPIP_ADAPTER_IF_MAX || if_ip == NULL) {
return ESP_ERR_TCPIP_ADAPTER_INVALID_PARAMS;
}
ip4_addr_copy(esp_ip[tcpip_if].ip, if_ip->ip);
ip4_addr_copy(esp_ip[tcpip_if].gw, if_ip->gw);
ip4_addr_copy(esp_ip[tcpip_if].netmask, if_ip->netmask);
p_netif = esp_netif[tcpip_if];
if (p_netif != NULL && netif_is_up(p_netif)) {
netif_set_addr(p_netif, &if_ip->ip, &if_ip->netmask, &if_ip->gw);
}
return ESP_OK;
}
#if 0
esp_err_t tcpip_adapter_get_mac(tcpip_adapter_if_t tcpip_if, uint8_t mac[6])
{
struct netif *p_netif;
if (tcpip_if >= TCPIP_ADAPTER_IF_MAX || mac == NULL) {
return ESP_ERR_TCPIP_ADAPTER_INVALID_PARAMS;
}
p_netif = esp_netif[tcpip_if];
if (p_netif != NULL) {
memcpy(mac, p_netif->hwaddr, NETIF_MAX_HWADDR_LEN);
return ESP_OK;
}
return ESP_ERR_TCPIP_ADAPTER_IF_NOT_READY;
}
esp_err_t tcpip_adapter_set_mac(tcpip_adapter_if_t tcpip_if, uint8_t mac[6])
{
struct netif *p_netif;
if (tcpip_if >= TCPIP_ADAPTER_IF_MAX || mac == NULL) {
return ESP_ERR_TCPIP_ADAPTER_INVALID_PARAMS;
}
p_netif = esp_netif[tcpip_if];
if (p_netif != NULL) {
memcpy(p_netif->hwaddr, mac, NETIF_MAX_HWADDR_LEN);
return ESP_OK;
}
return ESP_ERR_TCPIP_ADAPTER_IF_NOT_READY;
}
#endif
esp_err_t tcpip_adapter_dhcps_get_status(tcpip_adapter_if_t tcpip_if, tcpip_adapter_dhcp_status_t *status)
{
*status = dhcps_status;
return ESP_OK;
}
esp_err_t tcpip_adapter_dhcps_start(tcpip_adapter_if_t tcpip_if)
{
/* only support ap now */
if (tcpip_if != TCPIP_ADAPTER_IF_AP || tcpip_if >= TCPIP_ADAPTER_IF_MAX) {
TCPIP_ADAPTER_DEBUG("dhcp server invalid if=%d\n", tcpip_if);
return ESP_ERR_TCPIP_ADAPTER_INVALID_PARAMS;
}
if (dhcps_status != TCPIP_ADAPTER_DHCP_STARTED) {
struct netif *p_netif = esp_netif[tcpip_if];
if (p_netif != NULL && netif_is_up(p_netif)) {
dhcps_start(p_netif);
dhcps_status = TCPIP_ADAPTER_DHCP_STARTED;
TCPIP_ADAPTER_DEBUG("dhcp server start successfully\n");
return ESP_OK;
} else {
TCPIP_ADAPTER_DEBUG("dhcp server re init\n");
dhcps_status = TCPIP_ADAPTER_DHCP_INIT;
return ESP_OK;
}
}
TCPIP_ADAPTER_DEBUG("dhcp server already start\n");
return ESP_ERR_TCPIP_ADAPTER_DHCP_ALREADY_STARTED;
}
esp_err_t tcpip_adapter_dhcps_stop(tcpip_adapter_if_t tcpip_if)
{
/* only support ap now */
if (tcpip_if != TCPIP_ADAPTER_IF_AP || tcpip_if >= TCPIP_ADAPTER_IF_MAX) {
TCPIP_ADAPTER_DEBUG("dhcp server invalid if=%d\n", tcpip_if);
return ESP_ERR_TCPIP_ADAPTER_INVALID_PARAMS;
}
if (dhcps_status == TCPIP_ADAPTER_DHCP_STARTED) {
struct netif *p_netif = esp_netif[tcpip_if];
if (p_netif != NULL) {
dhcps_stop(p_netif);
} else {
TCPIP_ADAPTER_DEBUG("dhcp server if not ready\n");
return ESP_ERR_TCPIP_ADAPTER_IF_NOT_READY;
}
} else if (dhcps_status == TCPIP_ADAPTER_DHCP_STOPED) {
TCPIP_ADAPTER_DEBUG("dhcp server already stoped\n");
return ESP_ERR_TCPIP_ADAPTER_DHCP_ALREADY_STOPED;
}
TCPIP_ADAPTER_DEBUG("dhcp server stop successfully\n");
dhcps_status = TCPIP_ADAPTER_DHCP_STOPED;
return ESP_OK;
}
esp_err_t tcpip_adapter_dhcpc_get_status(tcpip_adapter_if_t tcpip_if, tcpip_adapter_dhcp_status_t *status)
{
*status = dhcpc_status;
return ESP_OK;
}
esp_err_t tcpip_adapter_dhcpc_start(tcpip_adapter_if_t tcpip_if)
{
/* only support sta now, need to support ethernet */
if (tcpip_if != TCPIP_ADAPTER_IF_STA || tcpip_if >= TCPIP_ADAPTER_IF_MAX) {
TCPIP_ADAPTER_DEBUG("dhcp client invalid if=%d\n", tcpip_if);
return ESP_ERR_TCPIP_ADAPTER_INVALID_PARAMS;
}
if (dhcpc_status != TCPIP_ADAPTER_DHCP_STARTED) {
struct netif *p_netif = esp_netif[tcpip_if];
if (p_netif != NULL) {
if (netif_is_up(p_netif)) {
TCPIP_ADAPTER_DEBUG("dhcp client init ip/mask/gw to all-0\n");
ip_addr_set_zero(&p_netif->ip_addr);;
ip_addr_set_zero(&p_netif->netmask);
ip_addr_set_zero(&p_netif->gw);
}
if (dhcp_start(p_netif) != ERR_OK) {
TCPIP_ADAPTER_DEBUG("dhcp client start failed\n");
return ESP_ERR_TCPIP_ADAPTER_DHCPC_START_FAILED;
}
TCPIP_ADAPTER_DEBUG("dhcp client start successfully\n");
dhcpc_status = TCPIP_ADAPTER_DHCP_STARTED;
return ESP_OK;
} else {
TCPIP_ADAPTER_DEBUG("dhcp client re init\n");
dhcpc_status = TCPIP_ADAPTER_DHCP_INIT;
return ESP_OK;
}
}
TCPIP_ADAPTER_DEBUG("dhcp client already started\n");
return ESP_ERR_TCPIP_ADAPTER_DHCP_ALREADY_STARTED;
}
esp_err_t tcpip_dep_dhcpc_stop(tcpip_adapter_if_t tcpip_if)
{
/* only support sta now, need to support ethernet */
if (tcpip_if != TCPIP_ADAPTER_IF_STA || tcpip_if >= TCPIP_ADAPTER_IF_MAX) {
TCPIP_ADAPTER_DEBUG("dhcp client invalid if=%d\n", tcpip_if);
return ESP_ERR_TCPIP_ADAPTER_INVALID_PARAMS;
}
if (dhcpc_status == TCPIP_ADAPTER_DHCP_STARTED) {
struct netif *p_netif = esp_netif[tcpip_if];
if (p_netif != NULL) {
dhcp_stop(p_netif);
} else {
TCPIP_ADAPTER_DEBUG("dhcp client if not ready\n");
return ESP_ERR_TCPIP_ADAPTER_IF_NOT_READY;
}
} else if (dhcps_status == TCPIP_ADAPTER_DHCP_STOPED) {
TCPIP_ADAPTER_DEBUG("dhcp client already stoped\n");
return ESP_ERR_TCPIP_ADAPTER_DHCP_ALREADY_STOPED;
}
TCPIP_ADAPTER_DEBUG("dhcp client stop successfully\n");
dhcpc_status = TCPIP_ADAPTER_DHCP_STOPED;
return ESP_OK;
}
esp_err_t tcpip_adapter_sta_input(void *buffer, uint16_t len, void* eb)
{
wlanif_input(esp_netif[TCPIP_ADAPTER_IF_STA], buffer, len, eb);
return ESP_OK;
}
esp_err_t tcpip_adapter_ap_input(void *buffer, uint16_t len, void* eb)
{
wlanif_input(esp_netif[TCPIP_ADAPTER_IF_AP], buffer, len, eb);
return ESP_OK;
}
#if 0
bool tcpip_dep_output(wifi_interface_t wifi_if, void *buffer, uint16_t len)
{
return true;
}
#endif
wifi_interface_t tcpip_adapter_get_wifi_if(void *dev)
{
struct netif *p_netif = (struct netif *)dev;
if (p_netif == esp_netif[TCPIP_ADAPTER_IF_STA]) {
return WIFI_IF_STA;
} else if (p_netif == esp_netif[TCPIP_ADAPTER_IF_AP]) {
return WIFI_IF_AP;
}
return WIFI_IF_MAX;
}
#endif
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