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Merge branch 'fix/esp_netif_reassign_static_ip_v5.5' into 'release/v5.5'

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fix(esp_netif): Fix reasigning static IP after netif down -> up (v5.5)

See merge request espressif/esp-idf!40169
This commit is contained in:
Jiang Jiang Jian
2025-07-04 11:28:41 +08:00
parent adb3f2a580 a6f092516a
commit cf8dad0746
1 changed files with 10 additions and 6 deletions
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16
components/esp_netif/lwip/esp_netif_lwip.c
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@@ -1463,11 +1463,12 @@ static void esp_netif_internal_dhcpc_cb(struct netif *netif)
} else { } else {
if (!ip4_addr_cmp(&ip_info->ip, IP4_ADDR_ANY4)) { if (!ip4_addr_cmp(&ip_info->ip, IP4_ADDR_ANY4)) {
esp_netif_start_ip_lost_timer(esp_netif); esp_netif_start_ip_lost_timer(esp_netif);
// synchronize lwip netif with esp_netif setting ip_info to 0, if (esp_netif->flags & ESP_NETIF_DHCP_CLIENT && esp_netif->dhcpc_status == ESP_NETIF_DHCP_STARTED) {
// so the next time we get a valid IP we can raise the event // Only for active DHCP client (in case of static IP, we keep the last configure value in ip_info)
ip4_addr_set(&ip_info->ip, ip_2_ip4(&netif->ip_addr)); // synchronize lwip netif with esp_netif setting ip_info to 0,
ip4_addr_set(&ip_info->netmask, ip_2_ip4(&netif->netmask)); // so the next time we get a valid IP we can raise the event
ip4_addr_set(&ip_info->gw, ip_2_ip4(&netif->gw)); esp_netif_reset_ip_info(esp_netif);
}
} }
} }
} }
@@ -1495,7 +1496,10 @@ static void esp_netif_ip_lost_timer(void *arg)
esp_netif_update_default_netif(esp_netif, ESP_NETIF_LOST_IP); esp_netif_update_default_netif(esp_netif, ESP_NETIF_LOST_IP);
ESP_LOGD(TAG, "if%p ip lost tmr: raise ip lost event", esp_netif); ESP_LOGD(TAG, "if%p ip lost tmr: raise ip lost event", esp_netif);
memset(esp_netif->ip_info_old, 0, sizeof(esp_netif_ip_info_t)); memset(esp_netif->ip_info_old, 0, sizeof(esp_netif_ip_info_t));
memset(esp_netif->ip_info, 0, sizeof(esp_netif_ip_info_t)); if (esp_netif->flags & ESP_NETIF_DHCP_CLIENT && esp_netif->dhcpc_status == ESP_NETIF_DHCP_STARTED) {
// Reset IP info if using DHCP client (static IP is supposed to be restored based on the ip_info)
esp_netif_reset_ip_info(esp_netif);
}
if (esp_netif->lost_ip_event) { if (esp_netif->lost_ip_event) {
ret = esp_event_post(IP_EVENT, esp_netif->lost_ip_event, ret = esp_event_post(IP_EVENT, esp_netif->lost_ip_event,
&evt, sizeof(evt), 0); &evt, sizeof(evt), 0);