--- zzzz-none-000/linux-4.1.52/net/bridge/br_if.c	2018-05-28 02:26:45.000000000 +0000
+++ bcm63-7530ax-731/linux-4.1.52/net/bridge/br_if.c	2022-03-02 11:37:13.000000000 +0000
@@ -27,6 +27,11 @@
 
 #include "br_private.h"
 
+#if defined(CONFIG_BCM_KF_RUNNER) && (defined(CONFIG_BCM_RDPA_BRIDGE) || defined(CONFIG_BCM_RDPA_BRIDGE_MODULE))
+#include "br_fp.h"
+#include "br_fp_hooks.h"
+#endif
+
 /*
  * Determine initial path cost based on speed.
  * using recommendations from 802.1d standard
@@ -245,9 +250,12 @@
 	spin_unlock_bh(&br->lock);
 
 	br_ifinfo_notify(RTM_DELLINK, p);
-
 	list_del_rcu(&p->list);
 
+#if defined(CONFIG_BCM_KF_INTF_BRG) && defined(CONFIG_BCM_INTF_BRG_ENABLED)
+	br_port_num_dec(br, p);
+#endif /* CONFIG_BCM_KF_INTF_BRG && CONFIG_BCM_INTF_BRG_ENABLED */
+
 	nbp_vlan_flush(p);
 	br_fdb_delete_by_port(br, p, 1);
 	nbp_update_port_count(br);
@@ -333,9 +341,19 @@
 	p->flags = BR_LEARNING | BR_FLOOD;
 	br_init_port(p);
 	br_set_state(p, BR_STATE_DISABLED);
+
+#if defined(CONFIG_BCM_KF_BRIDGE_MAC_FDB_LIMIT) && defined(CONFIG_BCM_BRIDGE_MAC_FDB_LIMIT)
+	p->min_port_fdb_entries = 0;
+	p->max_port_fdb_entries = 0;
+	p->num_port_fdb_entries = 0;
+#endif
+
 	br_stp_port_timer_init(p);
 	br_multicast_add_port(p);
 
+#if defined(CONFIG_BCM_KF_BRIDGE_STP)
+	br_stp_notify_state_port(p);
+#endif
 	return p;
 }
 
@@ -493,6 +511,12 @@
 	if (err)
 		goto err5;
 
+#if defined(CONFIG_BCM_KF_RUNNER) && (defined(CONFIG_BCM_RDPA_BRIDGE) || defined(CONFIG_BCM_RDPA_BRIDGE_MODULE))
+	err = br_fp_hook(BR_FP_PORT_ADD, br, dev);
+	if (err)
+		goto err6;
+#endif
+
 	dev_disable_lro(dev);
 
 	list_add_rcu(&p->list, &br->port_list);
@@ -501,6 +525,10 @@
 
 	netdev_update_features(br->dev);
 
+#if defined(CONFIG_BCM_KF_INTF_BRG) && defined(CONFIG_BCM_INTF_BRG_ENABLED)
+	br_port_num_inc(br, p);
+#endif /* CONFIG_BCM_KF_INTF_BRG && CONFIG_BCM_INTF_BRG_ENABLED */
+
 	if (br->dev->needed_headroom < dev->needed_headroom)
 		br->dev->needed_headroom = dev->needed_headroom;
 
@@ -529,6 +557,11 @@
 
 	return 0;
 
+#if defined(CONFIG_BCM_KF_RUNNER) && (defined(CONFIG_BCM_RDPA_BRIDGE) || defined(CONFIG_BCM_RDPA_BRIDGE_MODULE))
+err6:
+    netdev_upper_dev_unlink(dev, br->dev);
+#endif
+
 err5:
 	dev->priv_flags &= ~IFF_BRIDGE_PORT;
 	netdev_rx_handler_unregister(dev);
@@ -557,6 +590,15 @@
 	if (!p || p->br != br)
 		return -EINVAL;
 
+#if defined(CONFIG_BCM_KF_BRIDGE_MAC_FDB_LIMIT) && defined(CONFIG_BCM_BRIDGE_MAC_FDB_LIMIT)
+	/* Disable min limit per port in advance */
+	(void)br_set_fdb_limit(br, p, 1, 1, 0);
+#endif
+
+#if defined(CONFIG_BCM_KF_RUNNER) && (defined(CONFIG_BCM_RDPA_BRIDGE) || defined(CONFIG_BCM_RDPA_BRIDGE_MODULE))
+	br_fp_hook(BR_FP_PORT_REMOVE, br, dev);
+#endif
+
 	/* Since more than one interface can be attached to a bridge,
 	 * there still maybe an alternate path for netconsole to use;
 	 * therefore there is no reason for a NETDEV_RELEASE event.