mirror of
https://github.com/espressif/esp-idf.git
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504 lines
15 KiB
C
504 lines
15 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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#include <stdio.h>
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#include <string.h>
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#include "tcpip_adapter.h"
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#if CONFIG_TCPIP_LWIP
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#include "lwip/inet.h"
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#include "lwip/tcpip.h"
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#include "lwip/dhcp.h"
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#include "lwip/ip_addr.h"
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#include "netif/wlanif.h"
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#include "apps/dhcpserver.h"
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#include "esp_event.h"
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static struct netif *esp_netif[TCPIP_ADAPTER_IF_MAX];
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static struct ip_info esp_ip[TCPIP_ADAPTER_IF_MAX];
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static tcpip_adapter_dhcp_status_t dhcps_status = TCPIP_ADAPTER_DHCP_INIT;
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static tcpip_adapter_dhcp_status_t dhcpc_status = TCPIP_ADAPTER_DHCP_INIT;
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static esp_err_t tcpip_adapter_addr_change_cb(struct netif *netif);
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#define TCPIP_ADAPTER_DEBUG printf
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void tcpip_adapter_init(void)
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{
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static bool tcpip_inited = false;
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if (tcpip_inited == false) {
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tcpip_inited = true;
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tcpip_init(NULL, NULL);
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IP4_ADDR(&esp_ip[TCPIP_ADAPTER_IF_AP].ip, 192, 168 , 4, 1);
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IP4_ADDR(&esp_ip[TCPIP_ADAPTER_IF_AP].gw, 192, 168 , 4, 1);
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IP4_ADDR(&esp_ip[TCPIP_ADAPTER_IF_AP].netmask, 255, 255 , 255, 0);
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}
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netif_reg_addr_change_cb(tcpip_adapter_addr_change_cb);
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}
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esp_err_t tcpip_adapter_start(tcpip_adapter_if_t tcpip_if, uint8_t *mac, struct ip_info *info)
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{
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if (tcpip_if >= TCPIP_ADAPTER_IF_MAX || mac == NULL || info == NULL) {
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return ESP_ERR_TCPIP_ADAPTER_INVALID_PARAMS;
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}
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if (esp_netif[tcpip_if] == NULL) {
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esp_netif[tcpip_if] = malloc(sizeof(struct netif));
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if (esp_netif[tcpip_if] == NULL) {
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return ESP_ERR_NO_MEM;
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}
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memcpy(esp_netif[tcpip_if]->hwaddr, mac, NETIF_MAX_HWADDR_LEN);
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netif_add(esp_netif[tcpip_if], &info->ip, &info->netmask, &info->gw, NULL, wlanif_init, tcpip_input);
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}
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if (tcpip_if == TCPIP_ADAPTER_IF_AP) {
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netif_set_up(esp_netif[tcpip_if]);
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if (dhcps_status == TCPIP_ADAPTER_DHCP_INIT) {
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dhcps_start(esp_netif[tcpip_if]);
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printf("dhcp server start:(ip: %s, mask: %s, gw: %s)\n", inet_ntoa(info->ip), inet_ntoa(info->netmask), inet_ntoa(info->gw));
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dhcps_status = TCPIP_ADAPTER_DHCP_STARTED;
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}
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}
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/* if ap is on, choose ap as default if */
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if (esp_netif[TCPIP_ADAPTER_IF_AP]) {
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netif_set_default(esp_netif[TCPIP_ADAPTER_IF_AP]);
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} else if (esp_netif[TCPIP_ADAPTER_IF_STA]) {
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netif_set_default(esp_netif[TCPIP_ADAPTER_IF_STA]);
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}
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return ESP_OK;
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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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if (tcpip_if >= TCPIP_ADAPTER_IF_MAX) {
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return ESP_ERR_TCPIP_ADAPTER_INVALID_PARAMS;
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}
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if (esp_netif[tcpip_if] == NULL) {
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return ESP_ERR_TCPIP_ADAPTER_IF_NOT_READY;
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}
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if (tcpip_if == TCPIP_ADAPTER_IF_AP) {
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dhcps_stop(esp_netif[tcpip_if]); // TODO: dhcps checks status by its self
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dhcps_status = TCPIP_ADAPTER_DHCP_INIT;
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} else if (tcpip_if == TCPIP_ADAPTER_IF_STA) {
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dhcp_stop(esp_netif[tcpip_if]);
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dhcpc_status = TCPIP_ADAPTER_DHCP_INIT;
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}
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netif_remove(esp_netif[tcpip_if]);
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free(esp_netif[tcpip_if]);
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esp_netif[tcpip_if] = NULL;
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/* in ap + sta mode, if stop ap, choose sta as default if */
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if (esp_netif[TCPIP_ADAPTER_IF_STA] && tcpip_if == TCPIP_ADAPTER_IF_AP) {
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netif_set_default(esp_netif[TCPIP_ADAPTER_IF_STA]);
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}
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return ESP_OK;
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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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if (tcpip_if == TCPIP_ADAPTER_IF_STA) {
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if (esp_netif[tcpip_if] == NULL){
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return ESP_ERR_TCPIP_ADAPTER_IF_NOT_READY;
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}
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netif_set_up(esp_netif[tcpip_if]);
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}
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return ESP_OK;
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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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if (tcpip_if == TCPIP_ADAPTER_IF_STA) {
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if (esp_netif[tcpip_if] == NULL){
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return ESP_ERR_TCPIP_ADAPTER_IF_NOT_READY;
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}
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if (esp_netif[tcpip_if]->dhcp != NULL) {
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dhcp_release(esp_netif[tcpip_if]);
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dhcp_stop(esp_netif[tcpip_if]);
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dhcp_cleanup(esp_netif[tcpip_if]);
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dhcpc_status = TCPIP_ADAPTER_DHCP_STOPED;
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} else {
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netif_set_down(esp_netif[tcpip_if]);
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netif_set_addr(esp_netif[tcpip_if], IP4_ADDR_ANY, IP4_ADDR_ANY, IP4_ADDR_ANY);
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}
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}
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return ESP_OK;
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}
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esp_err_t tcpip_adapter_get_ip_info(tcpip_adapter_if_t tcpip_if, struct ip_info *if_ip)
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{
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struct netif *p_netif;
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if (tcpip_if >= TCPIP_ADAPTER_IF_MAX || if_ip == NULL) {
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return ESP_ERR_TCPIP_ADAPTER_INVALID_PARAMS;
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}
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p_netif = esp_netif[tcpip_if];
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if (p_netif != NULL && netif_is_up(p_netif)) {
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ip4_addr_set(&if_ip->ip, ip_2_ip4(&p_netif->ip_addr));
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ip4_addr_set(&if_ip->netmask, ip_2_ip4(&p_netif->netmask));
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ip4_addr_set(&if_ip->gw, ip_2_ip4(&p_netif->gw));
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return ESP_OK;
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}
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ip4_addr_copy(if_ip->ip, esp_ip[tcpip_if].ip);
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ip4_addr_copy(if_ip->gw, esp_ip[tcpip_if].gw);
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ip4_addr_copy(if_ip->netmask, esp_ip[tcpip_if].netmask);
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return ESP_OK;
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}
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esp_err_t tcpip_adapter_addr_change_cb(struct netif *netif)
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{
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tcpip_adapter_if_t tcpip_if;
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system_event_t evt;
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if (!netif) {
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TCPIP_ADAPTER_DEBUG("null netif=%p\n", netif);
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return ESP_ERR_TCPIP_ADAPTER_IF_NOT_READY;
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}
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if (netif == esp_netif[TCPIP_ADAPTER_IF_STA]) {
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tcpip_if = TCPIP_ADAPTER_IF_STA;
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} else if (netif == esp_netif[TCPIP_ADAPTER_IF_AP]){
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tcpip_if = TCPIP_ADAPTER_IF_AP;
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} else {
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TCPIP_ADAPTER_DEBUG("invalid netif=%p\n", netif);
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return ESP_ERR_TCPIP_ADAPTER_IF_NOT_READY;
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}
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//check whether IP is changed
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if ( !ip4_addr_cmp(ip_2_ip4(&netif->ip_addr), &esp_ip[tcpip_if].ip) ||
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!ip4_addr_cmp(ip_2_ip4(&netif->gw), &esp_ip[tcpip_if].gw) ||
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!ip4_addr_cmp(ip_2_ip4(&netif->netmask), &esp_ip[tcpip_if].netmask) ) {
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ip4_addr_set(&esp_ip[tcpip_if].ip, ip_2_ip4(&netif->ip_addr));
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ip4_addr_set(&esp_ip[tcpip_if].netmask, ip_2_ip4(&netif->netmask));
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ip4_addr_set(&esp_ip[tcpip_if].gw, ip_2_ip4(&netif->gw));
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//notify event
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if ( !ip4_addr_cmp(ip_2_ip4(&netif->ip_addr), IP4_ADDR_ANY) ) {
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evt.event_id = SYSTEM_EVENT_STA_GOTIP;
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memcpy(&evt.event_info.got_ip.ip, &esp_ip[tcpip_if].ip, sizeof(evt.event_info.got_ip.ip));
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memcpy(&evt.event_info.got_ip.netmask, &esp_ip[tcpip_if].netmask, sizeof(evt.event_info.got_ip.netmask));
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memcpy(&evt.event_info.got_ip.gw, &esp_ip[tcpip_if].gw, sizeof(evt.event_info.got_ip.gw));
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esp_event_send(&evt);
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printf("ip: %s, ", inet_ntoa(esp_ip[tcpip_if].ip));
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printf("mask: %s, ", inet_ntoa(esp_ip[tcpip_if].netmask));
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printf("gw: %s\n", inet_ntoa(esp_ip[tcpip_if].gw));
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}
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} else {
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TCPIP_ADAPTER_DEBUG("ip unchanged\n");
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}
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return ESP_OK;
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}
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esp_err_t tcpip_adapter_set_ip_info(tcpip_adapter_if_t tcpip_if, struct ip_info *if_ip)
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{
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struct netif *p_netif;
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if (tcpip_if >= TCPIP_ADAPTER_IF_MAX || if_ip == NULL) {
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return ESP_ERR_TCPIP_ADAPTER_INVALID_PARAMS;
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}
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ip4_addr_copy(esp_ip[tcpip_if].ip, if_ip->ip);
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ip4_addr_copy(esp_ip[tcpip_if].gw, if_ip->gw);
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ip4_addr_copy(esp_ip[tcpip_if].netmask, if_ip->netmask);
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p_netif = esp_netif[tcpip_if];
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if (p_netif != NULL && netif_is_up(p_netif)) {
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netif_set_addr(p_netif, &if_ip->ip, &if_ip->netmask, &if_ip->gw);
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}
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return ESP_OK;
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}
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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[6])
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{
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struct netif *p_netif;
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if (tcpip_if >= TCPIP_ADAPTER_IF_MAX || mac == NULL) {
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return ESP_ERR_TCPIP_ADAPTER_INVALID_PARAMS;
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}
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p_netif = esp_netif[tcpip_if];
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if (p_netif != NULL) {
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memcpy(mac, p_netif->hwaddr, NETIF_MAX_HWADDR_LEN);
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return ESP_OK;
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}
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return ESP_ERR_TCPIP_ADAPTER_IF_NOT_READY;
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}
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esp_err_t tcpip_adapter_set_mac(tcpip_adapter_if_t tcpip_if, uint8_t mac[6])
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{
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struct netif *p_netif;
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if (tcpip_if >= TCPIP_ADAPTER_IF_MAX || mac == NULL) {
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return ESP_ERR_TCPIP_ADAPTER_INVALID_PARAMS;
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}
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p_netif = esp_netif[tcpip_if];
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if (p_netif != NULL) {
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memcpy(p_netif->hwaddr, mac, NETIF_MAX_HWADDR_LEN);
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return ESP_OK;
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}
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return ESP_ERR_TCPIP_ADAPTER_IF_NOT_READY;
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}
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#endif
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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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*status = dhcps_status;
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return ESP_OK;
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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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/* only support ap now */
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if (tcpip_if != TCPIP_ADAPTER_IF_AP || tcpip_if >= TCPIP_ADAPTER_IF_MAX) {
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TCPIP_ADAPTER_DEBUG("dhcp server invalid if=%d\n", tcpip_if);
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return ESP_ERR_TCPIP_ADAPTER_INVALID_PARAMS;
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}
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if (dhcps_status != TCPIP_ADAPTER_DHCP_STARTED) {
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struct netif *p_netif = esp_netif[tcpip_if];
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if (p_netif != NULL && netif_is_up(p_netif)) {
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dhcps_start(p_netif);
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dhcps_status = TCPIP_ADAPTER_DHCP_STARTED;
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TCPIP_ADAPTER_DEBUG("dhcp server start successfully\n");
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return ESP_OK;
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} else {
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TCPIP_ADAPTER_DEBUG("dhcp server re init\n");
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dhcps_status = TCPIP_ADAPTER_DHCP_INIT;
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return ESP_OK;
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}
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}
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TCPIP_ADAPTER_DEBUG("dhcp server already start\n");
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return ESP_ERR_TCPIP_ADAPTER_DHCP_ALREADY_STARTED;
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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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/* only support ap now */
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if (tcpip_if != TCPIP_ADAPTER_IF_AP || tcpip_if >= TCPIP_ADAPTER_IF_MAX) {
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TCPIP_ADAPTER_DEBUG("dhcp server invalid if=%d\n", tcpip_if);
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return ESP_ERR_TCPIP_ADAPTER_INVALID_PARAMS;
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}
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if (dhcps_status == TCPIP_ADAPTER_DHCP_STARTED) {
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struct netif *p_netif = esp_netif[tcpip_if];
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if (p_netif != NULL) {
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dhcps_stop(p_netif);
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} else {
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TCPIP_ADAPTER_DEBUG("dhcp server if not ready\n");
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return ESP_ERR_TCPIP_ADAPTER_IF_NOT_READY;
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}
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} else if (dhcps_status == TCPIP_ADAPTER_DHCP_STOPED) {
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TCPIP_ADAPTER_DEBUG("dhcp server already stoped\n");
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return ESP_ERR_TCPIP_ADAPTER_DHCP_ALREADY_STOPED;
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}
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TCPIP_ADAPTER_DEBUG("dhcp server stop successfully\n");
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dhcps_status = TCPIP_ADAPTER_DHCP_STOPED;
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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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*status = dhcpc_status;
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return ESP_OK;
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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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/* only support sta now, need to support ethernet */
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if (tcpip_if != TCPIP_ADAPTER_IF_STA || tcpip_if >= TCPIP_ADAPTER_IF_MAX) {
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TCPIP_ADAPTER_DEBUG("dhcp client invalid if=%d\n", tcpip_if);
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return ESP_ERR_TCPIP_ADAPTER_INVALID_PARAMS;
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}
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if (dhcpc_status != TCPIP_ADAPTER_DHCP_STARTED) {
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struct netif *p_netif = esp_netif[tcpip_if];
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if (p_netif != NULL) {
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if (netif_is_up(p_netif)) {
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TCPIP_ADAPTER_DEBUG("dhcp client init ip/mask/gw to all-0\n");
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ip_addr_set_zero(&p_netif->ip_addr);;
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ip_addr_set_zero(&p_netif->netmask);
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ip_addr_set_zero(&p_netif->gw);
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}
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if (dhcp_start(p_netif) != ERR_OK) {
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TCPIP_ADAPTER_DEBUG("dhcp client start failed\n");
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return ESP_ERR_TCPIP_ADAPTER_DHCPC_START_FAILED;
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}
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TCPIP_ADAPTER_DEBUG("dhcp client start successfully\n");
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dhcpc_status = TCPIP_ADAPTER_DHCP_STARTED;
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return ESP_OK;
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} else {
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TCPIP_ADAPTER_DEBUG("dhcp client re init\n");
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dhcpc_status = TCPIP_ADAPTER_DHCP_INIT;
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return ESP_OK;
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}
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}
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TCPIP_ADAPTER_DEBUG("dhcp client already started\n");
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return ESP_ERR_TCPIP_ADAPTER_DHCP_ALREADY_STARTED;
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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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{
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/* only support sta now, need to support ethernet */
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if (tcpip_if != TCPIP_ADAPTER_IF_STA || tcpip_if >= TCPIP_ADAPTER_IF_MAX) {
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TCPIP_ADAPTER_DEBUG("dhcp client invalid if=%d\n", tcpip_if);
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return ESP_ERR_TCPIP_ADAPTER_INVALID_PARAMS;
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}
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if (dhcpc_status == TCPIP_ADAPTER_DHCP_STARTED) {
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struct netif *p_netif = esp_netif[tcpip_if];
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if (p_netif != NULL) {
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dhcp_stop(p_netif);
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} else {
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TCPIP_ADAPTER_DEBUG("dhcp client if not ready\n");
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return ESP_ERR_TCPIP_ADAPTER_IF_NOT_READY;
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}
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} else if (dhcps_status == TCPIP_ADAPTER_DHCP_STOPED) {
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TCPIP_ADAPTER_DEBUG("dhcp client already stoped\n");
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return ESP_ERR_TCPIP_ADAPTER_DHCP_ALREADY_STOPED;
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}
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TCPIP_ADAPTER_DEBUG("dhcp client stop successfully\n");
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dhcpc_status = TCPIP_ADAPTER_DHCP_STOPED;
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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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wlanif_input(esp_netif[TCPIP_ADAPTER_IF_STA], buffer, len, eb);
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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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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;
|
|
}
|
|
|
|
esp_err_t tcpip_adapter_get_sta_list(struct station_info *sta_info, struct station_list **sta_list)
|
|
{
|
|
struct station_info *info = sta_info;
|
|
struct station_list *list;
|
|
STAILQ_HEAD(, station_list) list_head;
|
|
|
|
if (sta_list == NULL)
|
|
return ESP_ERR_TCPIP_ADAPTER_INVALID_PARAMS;
|
|
|
|
STAILQ_INIT(&list_head);
|
|
|
|
while (info != NULL) {
|
|
list = (struct station_list *)malloc(sizeof(struct station_list));
|
|
memset(list, 0, sizeof (struct station_list));
|
|
|
|
if (list == NULL) {
|
|
return ESP_ERR_TCPIP_ADAPTER_NO_MEM;
|
|
}
|
|
|
|
memcpy(list->mac, info->bssid, 6);
|
|
dhcp_search_ip_on_mac(list->mac, &list->ip);
|
|
STAILQ_INSERT_TAIL(&list_head, list, next);
|
|
|
|
info = STAILQ_NEXT(info, next);
|
|
}
|
|
|
|
*sta_list = STAILQ_FIRST(&list_head);
|
|
|
|
return ESP_OK;
|
|
}
|
|
|
|
esp_err_t tcpip_adapter_free_sta_list(struct station_list *sta_list)
|
|
{
|
|
struct station_list *list = sta_list;
|
|
|
|
while (sta_list != NULL) {
|
|
list = sta_list;
|
|
sta_list = STAILQ_NEXT(sta_list, next);
|
|
free(list);
|
|
}
|
|
|
|
return ESP_OK;
|
|
}
|
|
|
|
#endif
|