81 				  const struct net_bridge_fdb_entry *fdb)  in has_expired()  argument
83 	return !fdb->is_static && !fdb->added_by_external_learn &&  in has_expired()
84 		time_before_eq(fdb->updated + hold_time(br), jiffies);  in has_expired()
113 	struct net_bridge_fdb_entry *fdb;  in br_fdb_find()  local
118 	fdb = fdb_find_rcu(&br->fdb_hash_tbl, addr, vid);  in br_fdb_find()
121 	return fdb;  in br_fdb_find()
421 	struct net_bridge_fdb_entry *fdb;  in br_fdb_test_addr()  local
430 		fdb = br_fdb_find_rcu(port->br, addr, 0);  in br_fdb_test_addr()
431 		ret = fdb && fdb->dst && fdb->dst->dev != dev &&  in br_fdb_test_addr()
432 			fdb->dst->state == BR_STATE_FORWARDING;  in br_fdb_test_addr()
495 	struct net_bridge_fdb_entry *fdb;  in fdb_create()  local
497 	fdb = kmem_cache_alloc(br_fdb_cache, GFP_ATOMIC);  in fdb_create()
498 	if (fdb) {  in fdb_create()
499 		memcpy(fdb->key.addr.addr, addr, ETH_ALEN);  in fdb_create()
500 		fdb->dst = source;  in fdb_create()
501 		fdb->key.vlan_id = vid;  in fdb_create()
502 		fdb->is_local = is_local;  in fdb_create()
503 		fdb->is_static = is_static;  in fdb_create()
504 		fdb->added_by_user = 0;  in fdb_create()
505 		fdb->added_by_external_learn = 0;  in fdb_create()
506 		fdb->offloaded = 0;  in fdb_create()
507 		fdb->updated = fdb->used = jiffies;  in fdb_create()
509 						  &fdb->rhnode,  in fdb_create()
511 			kmem_cache_free(br_fdb_cache, fdb);  in fdb_create()
512 			fdb = NULL;  in fdb_create()
514 			hlist_add_head_rcu(&fdb->fdb_node, &br->fdb_list);  in fdb_create()
517 	return fdb;  in fdb_create()
523 	struct net_bridge_fdb_entry *fdb;  in fdb_insert()  local
528 	fdb = br_fdb_find(br, addr, vid);  in fdb_insert()
529 	if (fdb) {  in fdb_insert()
533 		if (fdb->is_local)  in fdb_insert()
537 		fdb_delete(br, fdb, true);  in fdb_insert()
540 	fdb = fdb_create(br, source, addr, vid, 1, 1);  in fdb_insert()
541 	if (!fdb)  in fdb_insert()
545 	fdb_notify(br, fdb, RTM_NEWNEIGH, true);  in fdb_insert()
564 	struct net_bridge_fdb_entry *fdb;  in br_fdb_update()  local
576 	fdb = fdb_find_rcu(&br->fdb_hash_tbl, addr, vid);  in br_fdb_update()
577 	if (likely(fdb)) {  in br_fdb_update()
579 		if (unlikely(fdb->is_local)) {  in br_fdb_update()
587 			if (unlikely(source != fdb->dst)) {  in br_fdb_update()
588 				fdb->dst = source;  in br_fdb_update()
591 				if (unlikely(fdb->added_by_external_learn))  in br_fdb_update()
592 					fdb->added_by_external_learn = 0;  in br_fdb_update()
594 			if (now != fdb->updated)  in br_fdb_update()
595 				fdb->updated = now;  in br_fdb_update()
597 				fdb->added_by_user = 1;  in br_fdb_update()
600 				fdb_notify(br, fdb, RTM_NEWNEIGH, true);  in br_fdb_update()
605 		fdb = fdb_create(br, source, addr, vid, 0, 0);  in br_fdb_update()
606 		if (fdb) {  in br_fdb_update()
608 				fdb->added_by_user = 1;  in br_fdb_update()
611 			fdb_notify(br, fdb, RTM_NEWNEIGH, true);  in br_fdb_update()
621 		      const struct net_bridge_fdb_entry *fdb)  in fdb_to_nud()  argument
623 	if (fdb->is_local)  in fdb_to_nud()
625 	else if (fdb->is_static)  in fdb_to_nud()
627 	else if (has_expired(br, fdb))  in fdb_to_nud()
634 			 const struct net_bridge_fdb_entry *fdb,  in fdb_fill_info()  argument
652 	ndm->ndm_ifindex = fdb->dst ? fdb->dst->dev->ifindex : br->dev->ifindex;  in fdb_fill_info()
653 	ndm->ndm_state   = fdb_to_nud(br, fdb);  in fdb_fill_info()
655 	if (fdb->offloaded)  in fdb_fill_info()
657 	if (fdb->added_by_external_learn)  in fdb_fill_info()
660 	if (nla_put(skb, NDA_LLADDR, ETH_ALEN, &fdb->key.addr))  in fdb_fill_info()
664 	ci.ndm_used	 = jiffies_to_clock_t(now - fdb->used);  in fdb_fill_info()
666 	ci.ndm_updated	 = jiffies_to_clock_t(now - fdb->updated);  in fdb_fill_info()
671 	if (fdb->key.vlan_id && nla_put(skb, NDA_VLAN, sizeof(u16),  in fdb_fill_info()
672 					&fdb->key.vlan_id))  in fdb_fill_info()
693 		       const struct net_bridge_fdb_entry *fdb, int type,  in fdb_notify()  argument
701 		br_switchdev_fdb_notify(fdb, type);  in fdb_notify()
707 	err = fdb_fill_info(skb, br, fdb, 0, 0, type, 0);  in fdb_notify()
777 	struct net_bridge_fdb_entry *fdb;  in fdb_add_entry()  local
792 	fdb = br_fdb_find(br, addr, vid);  in fdb_add_entry()
793 	if (fdb == NULL) {  in fdb_add_entry()
797 		fdb = fdb_create(br, source, addr, vid, 0, 0);  in fdb_add_entry()
798 		if (!fdb)  in fdb_add_entry()
806 		if (fdb->dst != source) {  in fdb_add_entry()
807 			fdb->dst = source;  in fdb_add_entry()
812 	if (fdb_to_nud(br, fdb) != state) {  in fdb_add_entry()
814 			fdb->is_local = 1;  in fdb_add_entry()
815 			if (!fdb->is_static) {  in fdb_add_entry()
816 				fdb->is_static = 1;  in fdb_add_entry()
820 			fdb->is_local = 0;  in fdb_add_entry()
821 			if (!fdb->is_static) {  in fdb_add_entry()
822 				fdb->is_static = 1;  in fdb_add_entry()
826 			fdb->is_local = 0;  in fdb_add_entry()
827 			if (fdb->is_static) {  in fdb_add_entry()
828 				fdb->is_static = 0;  in fdb_add_entry()
835 	fdb->added_by_user = 1;  in fdb_add_entry()
837 	fdb->used = jiffies;  in fdb_add_entry()
839 		fdb->updated = jiffies;  in fdb_add_entry()
840 		fdb_notify(br, fdb, RTM_NEWNEIGH, true);  in fdb_add_entry()
947 	struct net_bridge_fdb_entry *fdb;  in fdb_delete_by_addr_and_port()  local
949 	fdb = br_fdb_find(br, addr, vlan);  in fdb_delete_by_addr_and_port()
950 	if (!fdb || fdb->dst != p)  in fdb_delete_by_addr_and_port()
953 	fdb_delete(br, fdb, true);  in fdb_delete_by_addr_and_port()
1076 	struct net_bridge_fdb_entry *fdb;  in br_fdb_external_learn_add()  local
1084 	fdb = br_fdb_find(br, addr, vid);  in br_fdb_external_learn_add()
1085 	if (!fdb) {  in br_fdb_external_learn_add()
1086 		fdb = fdb_create(br, p, addr, vid, 0, 0);  in br_fdb_external_learn_add()
1087 		if (!fdb) {  in br_fdb_external_learn_add()
1091 		fdb->added_by_external_learn = 1;  in br_fdb_external_learn_add()
1092 		fdb_notify(br, fdb, RTM_NEWNEIGH, swdev_notify);  in br_fdb_external_learn_add()
1094 		fdb->updated = jiffies;  in br_fdb_external_learn_add()
1096 		if (fdb->dst != p) {  in br_fdb_external_learn_add()
1097 			fdb->dst = p;  in br_fdb_external_learn_add()
1101 		if (fdb->added_by_external_learn) {  in br_fdb_external_learn_add()
1103 			fdb->used = jiffies;  in br_fdb_external_learn_add()
1104 		} else if (!fdb->added_by_user) {  in br_fdb_external_learn_add()
1106 			fdb->added_by_external_learn = 1;  in br_fdb_external_learn_add()
1111 			fdb_notify(br, fdb, RTM_NEWNEIGH, swdev_notify);  in br_fdb_external_learn_add()
1124 	struct net_bridge_fdb_entry *fdb;  in br_fdb_external_learn_del()  local
1129 	fdb = br_fdb_find(br, addr, vid);  in br_fdb_external_learn_del()
1130 	if (fdb && fdb->added_by_external_learn)  in br_fdb_external_learn_del()
1131 		fdb_delete(br, fdb, swdev_notify);  in br_fdb_external_learn_del()
1143 	struct net_bridge_fdb_entry *fdb;  in br_fdb_offloaded_set()  local
1147 	fdb = br_fdb_find(br, addr, vid);  in br_fdb_offloaded_set()
1148 	if (fdb)  in br_fdb_offloaded_set()
1149 		fdb->offloaded = 1;  in br_fdb_offloaded_set()