--- zzzz-none-000/linux-4.9.279/net/ipv4/ipmr.c	2021-08-08 06:38:54.000000000 +0000
+++ puma7-atom-6591-750/linux-4.9.279/net/ipv4/ipmr.c	2023-02-08 11:43:43.000000000 +0000
@@ -114,6 +114,11 @@
 static void mroute_clean_tables(struct mr_table *mrt, bool all);
 static void ipmr_expire_process(unsigned long arg);
 
+#if IS_ENABLED(CONFIG_LANTIQ_MCAST_HELPER)
+void (*five_tuple_info_ptr)(struct sk_buff *skb, char iface_name[20]) = NULL;
+EXPORT_SYMBOL(five_tuple_info_ptr);
+#endif
+
 #ifdef CONFIG_IP_MROUTE_MULTIPLE_TABLES
 #define ipmr_for_each_table(mrt, net) \
 	list_for_each_entry_rcu(mrt, &net->ipv4.mr_tables, list)
@@ -984,6 +989,12 @@
 		ip_hdr(skb)->tot_len = htons(ntohs(ip_hdr(pkt)->tot_len) +
 					     sizeof(struct iphdr));
 	} else {
+#if IS_ENABLED(CONFIG_LANTIQ_MCAST_HELPER)
+		/* Send five tuple info to mcast helper */
+		if(ip_hdr(pkt)->protocol == 17)
+			if(five_tuple_info_ptr != NULL)
+				five_tuple_info_ptr(pkt, mrt->vif_table[vifi].dev->name);
+#endif
 		/* Copy the IP header */
 		skb_set_network_header(skb, skb->len);
 		skb_put(skb, ihl);
@@ -1014,7 +1025,6 @@
 	ret = sock_queue_rcv_skb(mroute_sk, skb);
 	rcu_read_unlock();
 	if (ret < 0) {
-		net_warn_ratelimited("mroute: pending queue full, dropping entries\n");
 		kfree_skb(skb);
 	}