--- zzzz-none-000/linux-5.4.213/net/bridge/br_netlink.c	2022-09-15 10:04:56.000000000 +0000
+++ alder-5690pro-762/linux-5.4.213/net/bridge/br_netlink.c	2024-08-14 09:02:13.000000000 +0000
@@ -499,6 +499,8 @@
 		kfree_skb(skb);
 		goto errout;
 	}
+
+	__br_notify(RTNLGRP_LINK, event, port);
 	rtnl_notify(skb, net, 0, RTNLGRP_LINK, NULL, GFP_ATOMIC);
 	return;
 errout:
@@ -1042,6 +1044,8 @@
 	[IFLA_BR_VLAN_STATS_PER_PORT] = { .type = NLA_U8 },
 	[IFLA_BR_MULTI_BOOLOPT] = { .type = NLA_EXACT_LEN,
 				    .len = sizeof(struct br_boolopt_multi) },
+	[IFLA_BR_FDB_N_LEARNED] = { .type = NLA_REJECT },
+	[IFLA_BR_FDB_MAX_LEARNED] = { .type = NLA_U32 },
 };
 
 static int br_changelink(struct net_device *brdev, struct nlattr *tb[],
@@ -1303,6 +1307,12 @@
 			return err;
 	}
 
+	if (data[IFLA_BR_FDB_MAX_LEARNED]) {
+		u32 val = nla_get_u32(data[IFLA_BR_FDB_MAX_LEARNED]);
+
+		WRITE_ONCE(br->fdb_max_learned, val);
+	}
+
 	return 0;
 }
 
@@ -1357,6 +1367,8 @@
 	       nla_total_size_64bit(sizeof(u64)) + /* IFLA_BR_TOPOLOGY_CHANGE_TIMER */
 	       nla_total_size_64bit(sizeof(u64)) + /* IFLA_BR_GC_TIMER */
 	       nla_total_size(ETH_ALEN) +       /* IFLA_BR_GROUP_ADDR */
+	       nla_total_size(sizeof(u32)) +    /* IFLA_BR_FDB_N_LEARNED */
+	       nla_total_size(sizeof(u32)) +    /* IFLA_BR_FDB_MAX_LEARNED */
 #ifdef CONFIG_BRIDGE_IGMP_SNOOPING
 	       nla_total_size(sizeof(u8)) +     /* IFLA_BR_MCAST_ROUTER */
 	       nla_total_size(sizeof(u8)) +     /* IFLA_BR_MCAST_SNOOPING */
@@ -1431,7 +1443,10 @@
 	    nla_put_u8(skb, IFLA_BR_TOPOLOGY_CHANGE_DETECTED,
 		       br->topology_change_detected) ||
 	    nla_put(skb, IFLA_BR_GROUP_ADDR, ETH_ALEN, br->group_addr) ||
-	    nla_put(skb, IFLA_BR_MULTI_BOOLOPT, sizeof(bm), &bm))
+	    nla_put(skb, IFLA_BR_MULTI_BOOLOPT, sizeof(bm), &bm) ||
+	    nla_put_u32(skb, IFLA_BR_FDB_N_LEARNED,
+			atomic_read(&br->fdb_n_learned)) ||
+	    nla_put_u32(skb, IFLA_BR_FDB_MAX_LEARNED, br->fdb_max_learned))
 		return -EMSGSIZE;
 
 #ifdef CONFIG_BRIDGE_VLAN_FILTERING