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esp_netif: Add error checks to dhcp server state transitions

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This commit is contained in:
David Cermak 2022-06-27 09:12:18 +02:00
parent e85f45b539
commit 89bb1fdec1
3 changed files with 18 additions and 7 deletions
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3
components/esp_common/src/esp_err_to_name.c
View File

@ -560,6 +560,9 @@ static const esp_err_msg_t esp_err_msg_table[] = {
# endif
# ifdef ESP_ERR_ESP_NETIF_IP6_ADDR_FAILED
ERR_TBL_IT(ESP_ERR_ESP_NETIF_IP6_ADDR_FAILED), /* 20492 0x500c */
# endif
# ifdef ESP_ERR_ESP_NETIF_DHCPS_START_FAILED
ERR_TBL_IT(ESP_ERR_ESP_NETIF_DHCPS_START_FAILED), /* 20493 0x500d */
# endif
// components/esp_common/include/esp_err.h
# ifdef ESP_ERR_FLASH_BASE

2
components/esp_netif/include/esp_netif_types.h
View File

@ -33,6 +33,8 @@ extern "C" {
#define ESP_ERR_ESP_NETIF_DNS_NOT_CONFIGURED ESP_ERR_ESP_NETIF_BASE + 0x0A
#define ESP_ERR_ESP_NETIF_MLD6_FAILED ESP_ERR_ESP_NETIF_BASE + 0x0B
#define ESP_ERR_ESP_NETIF_IP6_ADDR_FAILED ESP_ERR_ESP_NETIF_BASE + 0x0C
#define ESP_ERR_ESP_NETIF_DHCPS_START_FAILED ESP_ERR_ESP_NETIF_BASE + 0x0D
/**
* @brief Definition of ESP-NETIF bridge controll

20
components/esp_netif/lwip/esp_netif_lwip.c
View File

@ -946,7 +946,11 @@ static esp_err_t esp_netif_start_api(esp_netif_api_msg_t *msg)
memcpy(&lwip_netmask, &default_ip->netmask, sizeof(struct ip4_addr));
dhcps_set_new_lease_cb(esp_netif->dhcps, esp_netif_dhcps_cb, esp_netif);
dhcps_set_option_info(esp_netif->dhcps, SUBNET_MASK, (void*)&lwip_netmask, sizeof(lwip_netmask));
dhcps_start(esp_netif->dhcps, p_netif, lwip_ip);
if (dhcps_start(esp_netif->dhcps, p_netif, lwip_ip) != ERR_OK) {
ESP_LOGE(TAG, "DHCP server cannot be started");
esp_netif->dhcps_status = ESP_NETIF_DHCP_INIT;
return ESP_ERR_ESP_NETIF_DHCPS_START_FAILED;
}
esp_netif->dhcps_status = ESP_NETIF_DHCP_STARTED;
ESP_LOGD(TAG, "DHCP server started successfully");
esp_netif_update_default_netif(esp_netif, ESP_NETIF_STARTED);
@ -1016,8 +1020,8 @@ static esp_err_t esp_netif_stop_api(esp_netif_api_msg_t *msg)
if (esp_netif->flags & ESP_NETIF_DHCP_SERVER) {
#if ESP_DHCPS
dhcps_stop(esp_netif->dhcps, lwip_netif); // TODO(IDF-1099): dhcps checks status by its self
if (ESP_NETIF_DHCP_STOPPED != esp_netif->dhcps_status) {
if (dhcps_stop(esp_netif->dhcps, lwip_netif) != ERR_OK ||
esp_netif->dhcps_status != ESP_NETIF_DHCP_STOPPED) {
esp_netif->dhcps_status = ESP_NETIF_DHCP_INIT;
}
#else
@ -1360,7 +1364,11 @@ static esp_err_t esp_netif_dhcps_start_api(esp_netif_api_msg_t *msg)
memcpy(&lwip_netmask, &default_ip->netmask, sizeof(struct ip4_addr));
dhcps_set_new_lease_cb(esp_netif->dhcps, esp_netif_dhcps_cb, esp_netif);
dhcps_set_option_info(esp_netif->dhcps, SUBNET_MASK, (void*)&lwip_netmask, sizeof(lwip_netmask));
dhcps_start(esp_netif->dhcps, p_netif, lwip_ip);
if (dhcps_start(esp_netif->dhcps, p_netif, lwip_ip) != ERR_OK) {
ESP_LOGE(TAG, "DHCP server cannot be started");
esp_netif->dhcps_status = ESP_NETIF_DHCP_INIT;
return ESP_ERR_ESP_NETIF_DHCPS_START_FAILED;
}
esp_netif->dhcps_status = ESP_NETIF_DHCP_STARTED;
ESP_LOGD(TAG, "DHCP server started successfully");
return ESP_OK;
@ -1385,9 +1393,7 @@ static esp_err_t esp_netif_dhcps_stop_api(esp_netif_api_msg_t *msg)
struct netif *p_netif = esp_netif->lwip_netif;
if (esp_netif->dhcps_status == ESP_NETIF_DHCP_STARTED) {
if (p_netif != NULL) {
dhcps_stop(esp_netif->dhcps, p_netif);
} else {
if (dhcps_stop(esp_netif->dhcps, p_netif) != ERR_OK) {
ESP_LOGD(TAG, "dhcp server if not ready");
return ESP_ERR_ESP_NETIF_IF_NOT_READY;
}