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Merge branch 'contrib/github_pr_15057_v5.3' into 'release/v5.3'

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feat(dhcps): Support for multiple DNS servers (GitHub PR) (v5.3)

See merge request espressif/esp-idf!39268
This commit is contained in:
Jiang Jiang Jian
2025-07-02 14:32:31 +08:00
parent c7a31ce888 b25ea94c45
commit 62e28e3c74
4 changed files with 208 additions and 52 deletions
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components/esp_netif/lwip/esp_netif_lwip.c
+3 -3
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@@ -1934,11 +1934,11 @@ static esp_err_t esp_netif_set_dns_info_api(esp_netif_api_msg_t *msg)
if (esp_netif && esp_netif->flags & ESP_NETIF_DHCP_SERVER) {
#if ESP_DHCPS
// if DHCP server configured to set DNS in dhcps API
if (type != ESP_NETIF_DNS_MAIN) {
if (type >= ESP_NETIF_DNS_FALLBACK) {
ESP_LOGD(TAG, "set dns invalid type");
return ESP_ERR_ESP_NETIF_INVALID_PARAMS;
} else {
dhcps_dns_setserver(esp_netif->dhcps, &lwip_ip);
dhcps_dns_setserver_by_type(esp_netif->dhcps, &lwip_ip, (dns_type_t)type);
}
#else
LOG_NETIF_DISABLED_AND_DO("DHCP Server", return ESP_ERR_NOT_SUPPORTED);
@@ -1997,7 +1997,7 @@ static esp_err_t esp_netif_get_dns_info_api(esp_netif_api_msg_t *msg)
if (esp_netif && esp_netif->flags & ESP_NETIF_DHCP_SERVER) {
#if ESP_DHCPS
ip4_addr_t dns_ip;
dhcps_dns_getserver(esp_netif->dhcps, &dns_ip);
dhcps_dns_getserver_by_type(esp_netif->dhcps, &dns_ip, (dns_type_t)type);
memcpy(&dns->ip.u_addr.ip4, &dns_ip, sizeof(ip4_addr_t));
dns->ip.type = ESP_IPADDR_TYPE_V4;
#else