[beken-72xx] Enable mDNS responder, set IGMP flag on netif

README.md

@@ -57,16 +57,16 @@ Wire                | ❗              | ❌
 Wi-Fi STA/AP/Mixed  | ✔️             | ✔️/❌/❌
 Wi-Fi Events        | ✔️             | ❌
 TCP Client (SSL)    | ✔️ (✔️)        | ✔️ (❗)
-TCP Server          | ✔️             | ❓
+TCP Server          | ✔️             | ✔️
 IPv6                | ❌              | ❌
 HTTP Client (SSL)   | ✔️ (✔️)        | ❓
-HTTP Server         | ✔️             | ❓
+HTTP Server         | ✔️             | ✔️
 NVS / Preferences   | ❌              | ❌
 SPIFFS              | ❌              | ❌
 BLE                 | -              | ❌
 NTP                 | ❌              | ❌
 OTA                 | ✔️             | ❌
-MDNS                | ✔️             | ❓
+MDNS                | ✔️             | ✔️
 MQTT                | ✅              | ❌
 SD                  | ❌              | ❌
 

arduino/libretuya/libraries/mDNS/LwIPmDNS.cpp

@@ -59,15 +59,16 @@ mDNS::~mDNS() {}
 bool mDNS::begin(const char *hostname) {
 	mdns_resp_init();
 	struct netif *netif = netif_list;
+	uint8_t enabled		= 0;
 	while (netif != NULL) {
 		// TODO: detect mdns_netif_client_id by checking netif_get_client_data()
 		// and finding the requested hostname in struct mdns_host
-		if (netif_is_up(netif) && mdns_resp_add_netif(netif, hostname, 255) != ERR_OK) {
-			return false;
+		if (netif_is_up(netif) && mdns_resp_add_netif(netif, hostname, 255) == ERR_OK) {
+			enabled++;
 		}
 		netif = netif->next;
 	}
-	return true;
+	return enabled > 0;
 }
 
 void mDNS::end() {

builder/frameworks/beken-72xx-sdk.py

@@ -331,11 +331,15 @@ env.AddLibrary(
         "+<lwip-2.0.2/port/*.c>",
         "+<lwip-2.0.2/src/api/*.c>",
         "+<lwip-2.0.2/src/apps/ping/*.c>",
+        "+<lwip-2.0.2/src/apps/mdns/*.c>",
         "+<lwip-2.0.2/src/core/*.c>",
         "+<lwip-2.0.2/src/core/ipv4/*.c>",
         "+<lwip-2.0.2/src/core/ipv6/*.c>",
         "+<lwip-2.0.2/src/netif/ethernet.c>",
         "+<dhcpd/*.c>",
+        # use ethernetif.c from AliOS since it enables netif IGMP flag
+        "-<lwip-2.0.2/port/ethernetif.c>",
+        "+<$SDK_DIR/beken378/alios/lwip-2.0.2/port/ethernetif.c>",
     ],
     includes=[
         "+<lwip-2.0.2/port>",

platform/beken-72xx/fixups/inc/lwipopts.h

@@ -4,4 +4,5 @@
 
 #include_next "lwipopts.h"
 
-#define LWIP_MDNS_RESPONDER 1
+#define LWIP_MDNS_RESPONDER		   1
+#define LWIP_NUM_NETIF_CLIENT_DATA 1