--- zzzz-none-000/linux-3.10.107/net/bridge/br_stp.c	2017-06-27 09:49:32.000000000 +0000
+++ vr9-7490-729/linux-3.10.107/net/bridge/br_stp.c	2021-11-10 11:53:56.000000000 +0000
@@ -10,6 +10,13 @@
  *	as published by the Free Software Foundation; either version
  *	2 of the License, or (at your option) any later version.
  */
+ 
+/**
+ * Some part of this file is modified by Ikanos Communications. 
+ *
+ * Copyright (C) 2013-2014 Ikanos Communications.
+ */ 
+  
 #include <linux/kernel.h>
 #include <linux/rculist.h>
 
@@ -20,7 +27,11 @@
  * before sending, make sure that is at least one STP tick.
  */
 #define MESSAGE_AGE_INCR	((HZ / 256) + 1)
-
+#if IS_ENABLED(CONFIG_FUSIV_KERNEL_AP_2_AP)
+#if IS_ENABLED(CONFIG_MCAST_AP_SUPPORT)
+void (*ap2apDelAllMulticastEntries_ptr) (void) = NULL;
+#endif
+#endif
 static const char *const br_port_state_names[] = {
 	[BR_STATE_DISABLED] = "disabled",
 	[BR_STATE_LISTENING] = "listening",
@@ -121,6 +132,12 @@
 	struct net_bridge_port *p;
 	u16 root_port = 0;
 
+#if IS_ENABLED(CONFIG_FUSIV_KERNEL_AP_2_AP)
+#if IS_ENABLED(CONFIG_MCAST_AP_SUPPORT)
+	if(ap2apDelAllMulticastEntries_ptr)
+		(*ap2apDelAllMulticastEntries_ptr)();
+#endif
+#endif
 	list_for_each_entry(p, &br->port_list, list) {
 		if (!br_should_become_root_port(p, root_port))
 			continue;
@@ -512,6 +529,11 @@
 	}
 }
 
+#if IS_ENABLED(CONFIG_FUSIV_KERNEL_AP_2_AP)
+#if IS_ENABLED(CONFIG_MCAST_AP_SUPPORT)
+EXPORT_SYMBOL(ap2apDelAllMulticastEntries_ptr);
+#endif
+#endif
 /* Change bridge STP parameter */
 int br_set_hello_time(struct net_bridge *br, unsigned long val)
 {