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OVMS3-idf/components/tcpip_adapter/tcpip_adapter_lwip.c

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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.
#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 "lwip/ip6_addr.h"
#include "lwip/nd6.h"
#if LWIP_DNS /* don't build if not configured for use in lwipopts.h */
#include "lwip/dns.h"
#endif
#include "netif/wlanif.h"
#include "netif/ethernetif.h"
#include "apps/dhcpserver.h"
#include "esp_event.h"
static struct netif *esp_netif[TCPIP_ADAPTER_IF_MAX];
static tcpip_adapter_ip_info_t esp_ip[TCPIP_ADAPTER_IF_MAX];
static tcpip_adapter_ip6_info_t esp_ip6[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_IF_MAX] = {TCPIP_ADAPTER_DHCP_INIT};
#define TCPIP_ADAPTER_DEBUG(...)
//#define TCPIP_ADAPTER_DEBUG 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);
}
}
esp_err_t tcpip_adapter_start(tcpip_adapter_if_t tcpip_if, uint8_t *mac, tcpip_adapter_ip_info_t *ip_info)
{
if (tcpip_if >= TCPIP_ADAPTER_IF_MAX || mac == NULL || ip_info == NULL) {
return ESP_ERR_TCPIP_ADAPTER_INVALID_PARAMS;
}
if (esp_netif[tcpip_if] == NULL) {
esp_netif[tcpip_if] = calloc(1, sizeof(*esp_netif[tcpip_if]));
if (esp_netif[tcpip_if] == NULL) {
return ESP_ERR_NO_MEM;
}
memcpy(esp_netif[tcpip_if]->hwaddr, mac, NETIF_MAX_HWADDR_LEN);
if (tcpip_if == TCPIP_ADAPTER_IF_AP || tcpip_if == TCPIP_ADAPTER_IF_STA) {
netif_add(esp_netif[tcpip_if], &ip_info->ip, &ip_info->netmask, &ip_info->gw, NULL, wlanif_init, tcpip_input);
} else if (tcpip_if == TCPIP_ADAPTER_IF_ETH) {
netif_add(esp_netif[tcpip_if], &ip_info->ip, &ip_info->netmask, &ip_info->gw, NULL, ethernetif_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], ip_info->ip);
TCPIP_ADAPTER_DEBUG("dhcp server start:(ip: " IPSTR ", mask: " IPSTR ", gw: " IPSTR ")\n",
IP2STR(&ip_info->ip), IP2STR(&ip_info->netmask), IP2STR(&ip_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]);
} else if (esp_netif[TCPIP_ADAPTER_IF_ETH] ) {
netif_set_default(esp_netif[TCPIP_ADAPTER_IF_ETH]);
}
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
if (TCPIP_ADAPTER_DHCP_STOPPED != dhcps_status) {
dhcps_status = TCPIP_ADAPTER_DHCP_INIT;
}
} else if (tcpip_if == TCPIP_ADAPTER_IF_STA || tcpip_if == TCPIP_ADAPTER_IF_ETH) {
dhcp_release(esp_netif[tcpip_if]);
dhcp_stop(esp_netif[tcpip_if]);
dhcp_cleanup(esp_netif[tcpip_if]);
dhcpc_status[tcpip_if] = TCPIP_ADAPTER_DHCP_INIT;
ip4_addr_set_zero(&esp_ip[tcpip_if].ip);
ip4_addr_set_zero(&esp_ip[tcpip_if].gw);
ip4_addr_set_zero(&esp_ip[tcpip_if].netmask);
}
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 || tcpip_if == TCPIP_ADAPTER_IF_ETH ) {
if (esp_netif[tcpip_if] == NULL) {
return ESP_ERR_TCPIP_ADAPTER_IF_NOT_READY;
}
/* use last obtained ip, or static ip */
netif_set_addr(esp_netif[tcpip_if], &esp_ip[tcpip_if].ip, &esp_ip[tcpip_if].netmask, &esp_ip[tcpip_if].gw);
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 || tcpip_if == TCPIP_ADAPTER_IF_ETH ) {
if (esp_netif[tcpip_if] == NULL) {
return ESP_ERR_TCPIP_ADAPTER_IF_NOT_READY;
}
if (dhcpc_status[tcpip_if] == TCPIP_ADAPTER_DHCP_STARTED) {
dhcp_stop(esp_netif[tcpip_if]);
dhcpc_status[tcpip_if] = TCPIP_ADAPTER_DHCP_INIT;
ip4_addr_set_zero(&esp_ip[tcpip_if].ip);
ip4_addr_set_zero(&esp_ip[tcpip_if].gw);
ip4_addr_set_zero(&esp_ip[tcpip_if].netmask);
}
/* Modify ip address to trigger tcp/udp pcb cleanup */
netif_set_addr(esp_netif[tcpip_if], IP4_ADDR_ANY, IP4_ADDR_ANY, IP4_ADDR_ANY);
netif_set_down(esp_netif[tcpip_if]);
}
return ESP_OK;
}
esp_err_t tcpip_adapter_get_ip_info(tcpip_adapter_if_t tcpip_if, tcpip_adapter_ip_info_t *ip_info)
{
struct netif *p_netif;
if (tcpip_if >= TCPIP_ADAPTER_IF_MAX || ip_info == 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(&ip_info->ip, ip_2_ip4(&p_netif->ip_addr));
ip4_addr_set(&ip_info->netmask, ip_2_ip4(&p_netif->netmask));
ip4_addr_set(&ip_info->gw, ip_2_ip4(&p_netif->gw));
return ESP_OK;
}
ip4_addr_copy(ip_info->ip, esp_ip[tcpip_if].ip);
ip4_addr_copy(ip_info->gw, esp_ip[tcpip_if].gw);
ip4_addr_copy(ip_info->netmask, esp_ip[tcpip_if].netmask);
return ESP_OK;
}
esp_err_t tcpip_adapter_set_ip_info(tcpip_adapter_if_t tcpip_if, tcpip_adapter_ip_info_t *ip_info)
{
struct netif *p_netif;
tcpip_adapter_dhcp_status_t status;
if (tcpip_if >= TCPIP_ADAPTER_IF_MAX || ip_info == NULL ||
ip4_addr_isany_val(ip_info->ip) || ip4_addr_isany_val(ip_info->netmask)) {
return ESP_ERR_TCPIP_ADAPTER_INVALID_PARAMS;
}
if (tcpip_if == TCPIP_ADAPTER_IF_AP) {
tcpip_adapter_dhcps_get_status(tcpip_if, &status);
if (status != TCPIP_ADAPTER_DHCP_STOPPED) {
return ESP_ERR_TCPIP_ADAPTER_DHCP_NOT_STOPPED;
}
} else if (tcpip_if == TCPIP_ADAPTER_IF_STA || tcpip_if == TCPIP_ADAPTER_IF_ETH ) {
tcpip_adapter_dhcpc_get_status(tcpip_if, &status);
if (status != TCPIP_ADAPTER_DHCP_STOPPED) {
return ESP_ERR_TCPIP_ADAPTER_DHCP_NOT_STOPPED;
}
#if LWIP_DNS /* don't build if not configured for use in lwipopts.h */
u8_t numdns = 0;
for (numdns = 0; numdns < DNS_MAX_SERVERS; numdns ++) {
dns_setserver(numdns, NULL);
}
#endif
}
ip4_addr_copy(esp_ip[tcpip_if].ip, ip_info->ip);
ip4_addr_copy(esp_ip[tcpip_if].gw, ip_info->gw);
ip4_addr_copy(esp_ip[tcpip_if].netmask, ip_info->netmask);
p_netif = esp_netif[tcpip_if];
if (p_netif != NULL && netif_is_up(p_netif)) {
netif_set_addr(p_netif, &ip_info->ip, &ip_info->netmask, &ip_info->gw);
}
return ESP_OK;
}
static void tcpip_adapter_nd6_cb(struct netif *p_netif, uint8_t ip_idex)
{
tcpip_adapter_ip6_info_t *ip6_info;
if (!p_netif) {
TCPIP_ADAPTER_DEBUG("null p_netif=%p\n", p_netif);
return;
}
if (p_netif == esp_netif[TCPIP_ADAPTER_IF_STA]) {
ip6_info = &esp_ip6[TCPIP_ADAPTER_IF_STA];
} else if (p_netif == esp_netif[TCPIP_ADAPTER_IF_AP]) {
ip6_info = &esp_ip6[TCPIP_ADAPTER_IF_AP];
} else {
return;
}
system_event_t evt;
ip6_addr_set(&ip6_info->ip, ip_2_ip6(&p_netif->ip6_addr[ip_idex]));
//notify event
evt.event_id = SYSTEM_EVENT_AP_STA_GOT_IP6;
memcpy(&evt.event_info.got_ip6.ip6_info, ip6_info, sizeof(tcpip_adapter_ip6_info_t));
esp_event_send(&evt);
}
esp_err_t tcpip_adapter_create_ip6_linklocal(tcpip_adapter_if_t tcpip_if)
{
struct netif *p_netif;
if (tcpip_if >= TCPIP_ADAPTER_IF_MAX) {
return ESP_ERR_TCPIP_ADAPTER_INVALID_PARAMS;
}
p_netif = esp_netif[tcpip_if];
if (p_netif != NULL && netif_is_up(p_netif)) {
netif_create_ip6_linklocal_address(p_netif, 1);
nd6_set_cb(p_netif, tcpip_adapter_nd6_cb);
return ESP_OK;
} else {
return ESP_FAIL;
}
}
esp_err_t tcpip_adapter_get_ip6_linklocal(tcpip_adapter_if_t tcpip_if, ip6_addr_t *if_ip6)
{
struct netif *p_netif;
if (tcpip_if >= TCPIP_ADAPTER_IF_MAX || if_ip6 == NULL) {
return ESP_ERR_TCPIP_ADAPTER_INVALID_PARAMS;
}
p_netif = esp_netif[tcpip_if];
if (p_netif != NULL && netif_is_up(p_netif) && ip6_addr_ispreferred(netif_ip6_addr_state(p_netif, 0))) {
memcpy(if_ip6, &p_netif->ip6_addr[0], sizeof(ip6_addr_t));
} else {
return ESP_FAIL;
}
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_option(tcpip_adapter_option_mode_t opt_op, tcpip_adapter_option_id_t opt_id, void *opt_val, uint32_t opt_len)
{
void *opt_info = dhcps_option_info(opt_id, opt_len);
if (opt_info == NULL || opt_val == NULL) {
return ESP_ERR_TCPIP_ADAPTER_INVALID_PARAMS;
}
if (opt_op == TCPIP_ADAPTER_OP_GET) {
if (dhcps_status == TCPIP_ADAPTER_DHCP_STOPPED) {
return ESP_ERR_TCPIP_ADAPTER_DHCP_ALREADY_STOPPED;
}
switch (opt_id) {
case IP_ADDRESS_LEASE_TIME: {
*(uint32_t *)opt_val = *(uint32_t *)opt_info;
break;
}
case REQUESTED_IP_ADDRESS: {
memcpy(opt_val, opt_info, opt_len);
break;
}
case ROUTER_SOLICITATION_ADDRESS: {
*(uint8_t *)opt_val = (*(uint8_t *)opt_info) & OFFER_ROUTER;
break;
}
default:
break;
}
} else if (opt_op == TCPIP_ADAPTER_OP_SET) {
if (dhcps_status == TCPIP_ADAPTER_DHCP_STARTED) {
return ESP_ERR_TCPIP_ADAPTER_DHCP_ALREADY_STARTED;
}
switch (opt_id) {
case IP_ADDRESS_LEASE_TIME: {
if (*(uint32_t *)opt_val != 0) {
*(uint32_t *)opt_info = *(uint32_t *)opt_val;
} else {
*(uint32_t *)opt_info = DHCPS_LEASE_TIME_DEF;
}
break;
}
case REQUESTED_IP_ADDRESS: {
tcpip_adapter_ip_info_t info;
uint32_t softap_ip = 0;
uint32_t start_ip = 0;
uint32_t end_ip = 0;
dhcps_lease_t *poll = opt_val;
if (poll->enable) {
memset(&info, 0x00, sizeof(tcpip_adapter_ip_info_t));
tcpip_adapter_get_ip_info(ESP_IF_WIFI_AP, &info);
softap_ip = htonl(info.ip.addr);
start_ip = htonl(poll->start_ip.addr);
end_ip = htonl(poll->end_ip.addr);
/*config ip information can't contain local ip*/
if ((start_ip <= softap_ip) && (softap_ip <= end_ip)) {
return ESP_ERR_TCPIP_ADAPTER_INVALID_PARAMS;
}
/*config ip information must be in the same segment as the local ip*/
softap_ip >>= 8;
if ((start_ip >> 8 != softap_ip)
|| (end_ip >> 8 != softap_ip)) {
return ESP_ERR_TCPIP_ADAPTER_INVALID_PARAMS;
}
if (end_ip - start_ip > DHCPS_MAX_LEASE) {
return ESP_ERR_TCPIP_ADAPTER_INVALID_PARAMS;
}
}
memcpy(opt_info, opt_val, opt_len);
break;
}
case ROUTER_SOLICITATION_ADDRESS: {
*(uint8_t *)opt_info = (*(uint8_t *)opt_val) & OFFER_ROUTER;
break;
}
default:
break;
}
} else {
return ESP_ERR_TCPIP_ADAPTER_INVALID_PARAMS;
}
return ESP_OK;
}
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)) {
tcpip_adapter_ip_info_t default_ip;
tcpip_adapter_get_ip_info(ESP_IF_WIFI_AP, &default_ip);
dhcps_start(p_netif, default_ip.ip);
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_STOPPED) {
TCPIP_ADAPTER_DEBUG("dhcp server already stoped\n");
return ESP_ERR_TCPIP_ADAPTER_DHCP_ALREADY_STOPPED;
}
TCPIP_ADAPTER_DEBUG("dhcp server stop successfully\n");
dhcps_status = TCPIP_ADAPTER_DHCP_STOPPED;
return ESP_OK;
}
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)
{
// TODO: when dhcp request timeout,change the retry count
return ESP_OK;
}
static void tcpip_adapter_dhcpc_cb(struct netif *netif)
{
if (!netif) {
TCPIP_ADAPTER_DEBUG("null netif=%p\n", netif);
return;
}
if (netif != esp_netif[TCPIP_ADAPTER_IF_STA] && netif != esp_netif[TCPIP_ADAPTER_IF_ETH]) {
TCPIP_ADAPTER_DEBUG("err netif=%p\n", netif);
return;
}
if ( !ip4_addr_cmp(ip_2_ip4(&netif->ip_addr), IP4_ADDR_ANY) ) {
tcpip_adapter_ip_info_t *ip_info = NULL;
if( netif == esp_netif[TCPIP_ADAPTER_IF_STA] ) {
ip_info = &esp_ip[TCPIP_ADAPTER_IF_STA];
} else if(netif == esp_netif[TCPIP_ADAPTER_IF_ETH] ) {
ip_info = &esp_ip[TCPIP_ADAPTER_IF_ETH];
}
//check whether IP is changed
if ( !ip4_addr_cmp(ip_2_ip4(&netif->ip_addr), &ip_info->ip) ||
!ip4_addr_cmp(ip_2_ip4(&netif->netmask), &ip_info->netmask) ||
!ip4_addr_cmp(ip_2_ip4(&netif->gw), &ip_info->gw) ) {
system_event_t evt;
ip4_addr_set(&ip_info->ip, ip_2_ip4(&netif->ip_addr));
ip4_addr_set(&ip_info->netmask, ip_2_ip4(&netif->netmask));
ip4_addr_set(&ip_info->gw, ip_2_ip4(&netif->gw));
//notify event
if (netif == esp_netif[TCPIP_ADAPTER_IF_STA]) {
evt.event_id = SYSTEM_EVENT_STA_GOT_IP;
} else if (netif == esp_netif[TCPIP_ADAPTER_IF_ETH]) {
evt.event_id = SYSTEM_EVENT_ETH_GOT_IP;
}
memcpy(&evt.event_info.got_ip.ip_info, ip_info, sizeof(tcpip_adapter_ip_info_t));
esp_event_send(&evt);
} else {
TCPIP_ADAPTER_DEBUG("ip unchanged\n");
}
}
return;
}
esp_err_t tcpip_adapter_dhcpc_get_status(tcpip_adapter_if_t tcpip_if, tcpip_adapter_dhcp_status_t *status)
{
*status = dhcpc_status[tcpip_if];
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_ETH) || 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_if] != TCPIP_ADAPTER_DHCP_STARTED) {
struct netif *p_netif = esp_netif[tcpip_if];
ip4_addr_set_zero(&esp_ip[tcpip_if].ip);
ip4_addr_set_zero(&esp_ip[tcpip_if].gw);
ip4_addr_set_zero(&esp_ip[tcpip_if].netmask);
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);
} else {
TCPIP_ADAPTER_DEBUG("dhcp client re init\n");
dhcpc_status[tcpip_if] = TCPIP_ADAPTER_DHCP_INIT;
return ESP_OK;
}
if (dhcp_start(p_netif) != ERR_OK) {
TCPIP_ADAPTER_DEBUG("dhcp client start failed\n");
return ESP_ERR_TCPIP_ADAPTER_DHCPC_START_FAILED;
}
dhcp_set_cb(p_netif, tcpip_adapter_dhcpc_cb);
TCPIP_ADAPTER_DEBUG("dhcp client start successfully\n");
dhcpc_status[tcpip_if] = TCPIP_ADAPTER_DHCP_STARTED;
return ESP_OK;
} else {
TCPIP_ADAPTER_DEBUG("dhcp client re init\n");
dhcpc_status[tcpip_if] = 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_adapter_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_if] == TCPIP_ADAPTER_DHCP_STARTED) {
struct netif *p_netif = esp_netif[tcpip_if];
if (p_netif != NULL) {
dhcp_stop(p_netif);
ip4_addr_set_zero(&esp_ip[tcpip_if].ip);
ip4_addr_set_zero(&esp_ip[tcpip_if].gw);
ip4_addr_set_zero(&esp_ip[tcpip_if].netmask);
} else {
TCPIP_ADAPTER_DEBUG("dhcp client if not ready\n");
return ESP_ERR_TCPIP_ADAPTER_IF_NOT_READY;
}
} else if (dhcpc_status[tcpip_if] == TCPIP_ADAPTER_DHCP_STOPPED) {
TCPIP_ADAPTER_DEBUG("dhcp client already stoped\n");
return ESP_ERR_TCPIP_ADAPTER_DHCP_ALREADY_STOPPED;
}
TCPIP_ADAPTER_DEBUG("dhcp client stop successfully\n");
dhcpc_status[tcpip_if] = TCPIP_ADAPTER_DHCP_STOPPED;
return ESP_OK;
}
esp_err_t tcpip_adapter_eth_input(void *buffer, uint16_t len, void *eb)
{
ethernetif_input(esp_netif[TCPIP_ADAPTER_IF_ETH], buffer, len);
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
esp_interface_t tcpip_adapter_get_esp_if(void *dev)
{
struct netif *p_netif = (struct netif *)dev;
if (p_netif == esp_netif[TCPIP_ADAPTER_IF_STA]) {
return ESP_IF_WIFI_STA;
} else if (p_netif == esp_netif[TCPIP_ADAPTER_IF_AP]) {
return ESP_IF_WIFI_AP;
} else if (p_netif == esp_netif[TCPIP_ADAPTER_IF_ETH]) {
return ESP_IF_ETH;
}
return ESP_IF_MAX;
}
esp_err_t tcpip_adapter_get_sta_list(wifi_sta_list_t *wifi_sta_list, tcpip_adapter_sta_list_t *tcpip_sta_list)
{
int i;
if ((wifi_sta_list == NULL) || (tcpip_sta_list == NULL)) {
return ESP_ERR_TCPIP_ADAPTER_INVALID_PARAMS;
}
memset(tcpip_sta_list, 0, sizeof(tcpip_adapter_sta_list_t));
tcpip_sta_list->num = wifi_sta_list->num;
for (i = 0; i < wifi_sta_list->num; i++) {
memcpy(tcpip_sta_list->sta[i].mac, wifi_sta_list->sta[i].mac, 6);
dhcp_search_ip_on_mac(tcpip_sta_list->sta[i].mac, &tcpip_sta_list->sta[i].ip);
}
return ESP_OK;
}
esp_err_t tcpip_adapter_set_hostname(tcpip_adapter_if_t tcpip_if, const char *hostname)
{
#if LWIP_NETIF_HOSTNAME
struct netif *p_netif;
static char hostinfo[TCPIP_ADAPTER_IF_MAX][TCPIP_HOSTNAME_MAX_SIZE + 1];
if (tcpip_if >= TCPIP_ADAPTER_IF_MAX || hostname == NULL) {
return ESP_ERR_TCPIP_ADAPTER_INVALID_PARAMS;
}
if (strlen(hostname) > TCPIP_HOSTNAME_MAX_SIZE) {
return ESP_ERR_TCPIP_ADAPTER_INVALID_PARAMS;
}
p_netif = esp_netif[tcpip_if];
if (p_netif != NULL) {
memset(hostinfo[tcpip_if], 0, sizeof(hostinfo[tcpip_if]));
strlcpy(hostinfo[tcpip_if], hostname, sizeof(hostinfo[tcpip_if]));
p_netif->hostname = hostinfo[tcpip_if];
return ESP_OK;
} else {
return ESP_ERR_TCPIP_ADAPTER_IF_NOT_READY;
}
#else
return ESP_ERR_TCPIP_ADAPTER_IF_NOT_READY;
#endif
}
esp_err_t tcpip_adapter_get_hostname(tcpip_adapter_if_t tcpip_if, const char **hostname)
{
#if LWIP_NETIF_HOSTNAME
struct netif *p_netif = NULL;
if (tcpip_if >= TCPIP_ADAPTER_IF_MAX || hostname == NULL) {
return ESP_ERR_TCPIP_ADAPTER_INVALID_PARAMS;
}
p_netif = esp_netif[tcpip_if];
if (p_netif != NULL) {
*hostname = p_netif->hostname;
return ESP_OK;
} else {
return ESP_ERR_TCPIP_ADAPTER_INVALID_PARAMS;
}
#else
return ESP_ERR_TCPIP_ADAPTER_IF_NOT_READY;
#endif
}
#endif
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