76 				  const struct net_bridge_fdb_entry *fdb)  in has_expired()  argument
78 	return !fdb->is_static && !fdb->added_by_external_learn &&  in has_expired()
79 		time_before_eq(fdb->updated + hold_time(br), jiffies);  in has_expired()
108 	struct net_bridge_fdb_entry *fdb;  in br_fdb_find()  local
113 	fdb = fdb_find_rcu(&br->fdb_hash_tbl, addr, vid);  in br_fdb_find()
116 	return fdb;  in br_fdb_find()
416 	struct net_bridge_fdb_entry *fdb;  in br_fdb_test_addr()  local
425 		fdb = br_fdb_find_rcu(port->br, addr, 0);  in br_fdb_test_addr()
426 		ret = fdb && fdb->dst && fdb->dst->dev != dev &&  in br_fdb_test_addr()
427 			fdb->dst->state == BR_STATE_FORWARDING;  in br_fdb_test_addr()
490 	struct net_bridge_fdb_entry *fdb;  in fdb_create()  local
492 	fdb = kmem_cache_alloc(br_fdb_cache, GFP_ATOMIC);  in fdb_create()
493 	if (fdb) {  in fdb_create()
494 		memcpy(fdb->key.addr.addr, addr, ETH_ALEN);  in fdb_create()
495 		fdb->dst = source;  in fdb_create()
496 		fdb->key.vlan_id = vid;  in fdb_create()
497 		fdb->is_local = is_local;  in fdb_create()
498 		fdb->is_static = is_static;  in fdb_create()
499 		fdb->added_by_user = 0;  in fdb_create()
500 		fdb->added_by_external_learn = 0;  in fdb_create()
501 		fdb->offloaded = 0;  in fdb_create()
502 		fdb->is_sticky = 0;  in fdb_create()
503 		fdb->updated = fdb->used = jiffies;  in fdb_create()
505 						  &fdb->rhnode,  in fdb_create()
507 			kmem_cache_free(br_fdb_cache, fdb);  in fdb_create()
508 			fdb = NULL;  in fdb_create()
510 			hlist_add_head_rcu(&fdb->fdb_node, &br->fdb_list);  in fdb_create()
513 	return fdb;  in fdb_create()
519 	struct net_bridge_fdb_entry *fdb;  in fdb_insert()  local
524 	fdb = br_fdb_find(br, addr, vid);  in fdb_insert()
525 	if (fdb) {  in fdb_insert()
529 		if (fdb->is_local)  in fdb_insert()
533 		fdb_delete(br, fdb, true);  in fdb_insert()
536 	fdb = fdb_create(br, source, addr, vid, 1, 1);  in fdb_insert()
537 	if (!fdb)  in fdb_insert()
541 	fdb_notify(br, fdb, RTM_NEWNEIGH, true);  in fdb_insert()
560 	struct net_bridge_fdb_entry *fdb;  in br_fdb_update()  local
572 	fdb = fdb_find_rcu(&br->fdb_hash_tbl, addr, vid);  in br_fdb_update()
573 	if (likely(fdb)) {  in br_fdb_update()
575 		if (unlikely(fdb->is_local)) {  in br_fdb_update()
583 			if (unlikely(source != fdb->dst && !fdb->is_sticky)) {  in br_fdb_update()
584 				fdb->dst = source;  in br_fdb_update()
587 				if (unlikely(fdb->added_by_external_learn))  in br_fdb_update()
588 					fdb->added_by_external_learn = 0;  in br_fdb_update()
590 			if (now != fdb->updated)  in br_fdb_update()
591 				fdb->updated = now;  in br_fdb_update()
593 				fdb->added_by_user = 1;  in br_fdb_update()
596 				fdb_notify(br, fdb, RTM_NEWNEIGH, true);  in br_fdb_update()
601 		fdb = fdb_create(br, source, addr, vid, 0, 0);  in br_fdb_update()
602 		if (fdb) {  in br_fdb_update()
604 				fdb->added_by_user = 1;  in br_fdb_update()
607 			fdb_notify(br, fdb, RTM_NEWNEIGH, true);  in br_fdb_update()
617 		      const struct net_bridge_fdb_entry *fdb)  in fdb_to_nud()  argument
619 	if (fdb->is_local)  in fdb_to_nud()
621 	else if (fdb->is_static)  in fdb_to_nud()
623 	else if (has_expired(br, fdb))  in fdb_to_nud()
630 			 const struct net_bridge_fdb_entry *fdb,  in fdb_fill_info()  argument
648 	ndm->ndm_ifindex = fdb->dst ? fdb->dst->dev->ifindex : br->dev->ifindex;  in fdb_fill_info()
649 	ndm->ndm_state   = fdb_to_nud(br, fdb);  in fdb_fill_info()
651 	if (fdb->offloaded)  in fdb_fill_info()
653 	if (fdb->added_by_external_learn)  in fdb_fill_info()
655 	if (fdb->is_sticky)  in fdb_fill_info()
658 	if (nla_put(skb, NDA_LLADDR, ETH_ALEN, &fdb->key.addr))  in fdb_fill_info()
662 	ci.ndm_used	 = jiffies_to_clock_t(now - fdb->used);  in fdb_fill_info()
664 	ci.ndm_updated	 = jiffies_to_clock_t(now - fdb->updated);  in fdb_fill_info()
669 	if (fdb->key.vlan_id && nla_put(skb, NDA_VLAN, sizeof(u16),  in fdb_fill_info()
670 					&fdb->key.vlan_id))  in fdb_fill_info()
691 		       const struct net_bridge_fdb_entry *fdb, int type,  in fdb_notify()  argument
699 		br_switchdev_fdb_notify(fdb, type);  in fdb_notify()
705 	err = fdb_fill_info(skb, br, fdb, 0, 0, type, 0);  in fdb_notify()
803 	struct net_bridge_fdb_entry *fdb;  in fdb_add_entry()  local
821 	fdb = br_fdb_find(br, addr, vid);  in fdb_add_entry()
822 	if (fdb == NULL) {  in fdb_add_entry()
826 		fdb = fdb_create(br, source, addr, vid, 0, 0);  in fdb_add_entry()
827 		if (!fdb)  in fdb_add_entry()
835 		if (fdb->dst != source) {  in fdb_add_entry()
836 			fdb->dst = source;  in fdb_add_entry()
841 	if (fdb_to_nud(br, fdb) != state) {  in fdb_add_entry()
843 			fdb->is_local = 1;  in fdb_add_entry()
844 			if (!fdb->is_static) {  in fdb_add_entry()
845 				fdb->is_static = 1;  in fdb_add_entry()
849 			fdb->is_local = 0;  in fdb_add_entry()
850 			if (!fdb->is_static) {  in fdb_add_entry()
851 				fdb->is_static = 1;  in fdb_add_entry()
855 			fdb->is_local = 0;  in fdb_add_entry()
856 			if (fdb->is_static) {  in fdb_add_entry()
857 				fdb->is_static = 0;  in fdb_add_entry()
865 	if (is_sticky != fdb->is_sticky) {  in fdb_add_entry()
866 		fdb->is_sticky = is_sticky;  in fdb_add_entry()
870 	fdb->added_by_user = 1;  in fdb_add_entry()
872 	fdb->used = jiffies;  in fdb_add_entry()
874 		fdb->updated = jiffies;  in fdb_add_entry()
875 		fdb_notify(br, fdb, RTM_NEWNEIGH, true);  in fdb_add_entry()
983 	struct net_bridge_fdb_entry *fdb;  in fdb_delete_by_addr_and_port()  local
985 	fdb = br_fdb_find(br, addr, vlan);  in fdb_delete_by_addr_and_port()
986 	if (!fdb || fdb->dst != p)  in fdb_delete_by_addr_and_port()
989 	fdb_delete(br, fdb, true);  in fdb_delete_by_addr_and_port()
1112 	struct net_bridge_fdb_entry *fdb;  in br_fdb_external_learn_add()  local
1120 	fdb = br_fdb_find(br, addr, vid);  in br_fdb_external_learn_add()
1121 	if (!fdb) {  in br_fdb_external_learn_add()
1122 		fdb = fdb_create(br, p, addr, vid, 0, 0);  in br_fdb_external_learn_add()
1123 		if (!fdb) {  in br_fdb_external_learn_add()
1128 			fdb->added_by_user = 1;  in br_fdb_external_learn_add()
1129 		fdb->added_by_external_learn = 1;  in br_fdb_external_learn_add()
1130 		fdb_notify(br, fdb, RTM_NEWNEIGH, swdev_notify);  in br_fdb_external_learn_add()
1132 		fdb->updated = jiffies;  in br_fdb_external_learn_add()
1134 		if (fdb->dst != p) {  in br_fdb_external_learn_add()
1135 			fdb->dst = p;  in br_fdb_external_learn_add()
1139 		if (fdb->added_by_external_learn) {  in br_fdb_external_learn_add()
1141 			fdb->used = jiffies;  in br_fdb_external_learn_add()
1142 		} else if (!fdb->added_by_user) {  in br_fdb_external_learn_add()
1144 			fdb->added_by_external_learn = 1;  in br_fdb_external_learn_add()
1149 			fdb->added_by_user = 1;  in br_fdb_external_learn_add()
1152 			fdb_notify(br, fdb, RTM_NEWNEIGH, swdev_notify);  in br_fdb_external_learn_add()
1165 	struct net_bridge_fdb_entry *fdb;  in br_fdb_external_learn_del()  local
1170 	fdb = br_fdb_find(br, addr, vid);  in br_fdb_external_learn_del()
1171 	if (fdb && fdb->added_by_external_learn)  in br_fdb_external_learn_del()
1172 		fdb_delete(br, fdb, swdev_notify);  in br_fdb_external_learn_del()
1184 	struct net_bridge_fdb_entry *fdb;  in br_fdb_offloaded_set()  local
1188 	fdb = br_fdb_find(br, addr, vid);  in br_fdb_offloaded_set()
1189 	if (fdb)  in br_fdb_offloaded_set()
1190 		fdb->offloaded = offloaded;  in br_fdb_offloaded_set()