68 				  const struct net_bridge_fdb_entry *fdb)  in has_expired()  argument
70 	return !fdb->is_static &&  in has_expired()
71 		time_before_eq(fdb->updated + hold_time(br), jiffies);  in has_expired()
350 	struct net_bridge_fdb_entry *fdb;  in __br_fdb_get()  local
352 	hlist_for_each_entry_rcu(fdb,  in __br_fdb_get()
354 		if (ether_addr_equal(fdb->addr.addr, addr) &&  in __br_fdb_get()
355 		    fdb->vlan_id == vid) {  in __br_fdb_get()
356 			if (unlikely(has_expired(br, fdb)))  in __br_fdb_get()
358 			return fdb;  in __br_fdb_get()
370 	struct net_bridge_fdb_entry *fdb;  in br_fdb_test_addr()  local
379 		fdb = __br_fdb_get(port->br, addr, 0);  in br_fdb_test_addr()
380 		ret = fdb && fdb->dst && fdb->dst->dev != dev &&  in br_fdb_test_addr()
381 			fdb->dst->state == BR_STATE_FORWARDING;  in br_fdb_test_addr()
445 	struct net_bridge_fdb_entry *fdb;  in fdb_find()  local
447 	hlist_for_each_entry(fdb, head, hlist) {  in fdb_find()
448 		if (ether_addr_equal(fdb->addr.addr, addr) &&  in fdb_find()
449 		    fdb->vlan_id == vid)  in fdb_find()
450 			return fdb;  in fdb_find()
459 	struct net_bridge_fdb_entry *fdb;  in fdb_find_rcu()  local
461 	hlist_for_each_entry_rcu(fdb, head, hlist) {  in fdb_find_rcu()
462 		if (ether_addr_equal(fdb->addr.addr, addr) &&  in fdb_find_rcu()
463 		    fdb->vlan_id == vid)  in fdb_find_rcu()
464 			return fdb;  in fdb_find_rcu()
474 	struct net_bridge_fdb_entry *fdb;  in fdb_create()  local
476 	fdb = kmem_cache_alloc(br_fdb_cache, GFP_ATOMIC);  in fdb_create()
477 	if (fdb) {  in fdb_create()
478 		memcpy(fdb->addr.addr, addr, ETH_ALEN);  in fdb_create()
479 		fdb->dst = source;  in fdb_create()
480 		fdb->vlan_id = vid;  in fdb_create()
481 		fdb->is_local = 0;  in fdb_create()
482 		fdb->is_static = 0;  in fdb_create()
483 		fdb->added_by_user = 0;  in fdb_create()
484 		fdb->added_by_external_learn = 0;  in fdb_create()
485 		fdb->updated = fdb->used = jiffies;  in fdb_create()
486 		hlist_add_head_rcu(&fdb->hlist, head);  in fdb_create()
488 	return fdb;  in fdb_create()
495 	struct net_bridge_fdb_entry *fdb;  in fdb_insert()  local
500 	fdb = fdb_find(head, addr, vid);  in fdb_insert()
501 	if (fdb) {  in fdb_insert()
505 		if (fdb->is_local)  in fdb_insert()
510 		fdb_delete(br, fdb);  in fdb_insert()
513 	fdb = fdb_create(head, source, addr, vid);  in fdb_insert()
514 	if (!fdb)  in fdb_insert()
517 	fdb->is_local = fdb->is_static = 1;  in fdb_insert()
519 	fdb_notify(br, fdb, RTM_NEWNEIGH);  in fdb_insert()
539 	struct net_bridge_fdb_entry *fdb;  in br_fdb_update()  local
551 	fdb = fdb_find_rcu(head, addr, vid);  in br_fdb_update()
552 	if (likely(fdb)) {  in br_fdb_update()
554 		if (unlikely(fdb->is_local)) {  in br_fdb_update()
561 			if (unlikely(source != fdb->dst)) {  in br_fdb_update()
562 				fdb->dst = source;  in br_fdb_update()
565 			fdb->updated = jiffies;  in br_fdb_update()
567 				fdb->added_by_user = 1;  in br_fdb_update()
569 				fdb_notify(br, fdb, RTM_NEWNEIGH);  in br_fdb_update()
574 			fdb = fdb_create(head, source, addr, vid);  in br_fdb_update()
575 			if (fdb) {  in br_fdb_update()
577 					fdb->added_by_user = 1;  in br_fdb_update()
578 				fdb_notify(br, fdb, RTM_NEWNEIGH);  in br_fdb_update()
588 static int fdb_to_nud(const struct net_bridge_fdb_entry *fdb)  in fdb_to_nud()  argument
590 	if (fdb->is_local)  in fdb_to_nud()
592 	else if (fdb->is_static)  in fdb_to_nud()
594 	else if (has_expired(fdb->dst->br, fdb))  in fdb_to_nud()
601 			 const struct net_bridge_fdb_entry *fdb,  in fdb_fill_info()  argument
617 	ndm->ndm_flags	 = fdb->added_by_external_learn ? NTF_EXT_LEARNED : 0;  in fdb_fill_info()
619 	ndm->ndm_ifindex = fdb->dst ? fdb->dst->dev->ifindex : br->dev->ifindex;  in fdb_fill_info()
620 	ndm->ndm_state   = fdb_to_nud(fdb);  in fdb_fill_info()
622 	if (nla_put(skb, NDA_LLADDR, ETH_ALEN, &fdb->addr))  in fdb_fill_info()
626 	ci.ndm_used	 = jiffies_to_clock_t(now - fdb->used);  in fdb_fill_info()
628 	ci.ndm_updated	 = jiffies_to_clock_t(now - fdb->updated);  in fdb_fill_info()
633 	if (fdb->vlan_id && nla_put(skb, NDA_VLAN, sizeof(u16), &fdb->vlan_id))  in fdb_fill_info()
654 		       const struct net_bridge_fdb_entry *fdb, int type)  in fdb_notify()  argument
664 	err = fdb_fill_info(skb, br, fdb, 0, 0, type, 0);  in fdb_notify()
736 	struct net_bridge_fdb_entry *fdb;  in fdb_add_entry()  local
739 	fdb = fdb_find(head, addr, vid);  in fdb_add_entry()
740 	if (fdb == NULL) {  in fdb_add_entry()
744 		fdb = fdb_create(head, source, addr, vid);  in fdb_add_entry()
745 		if (!fdb)  in fdb_add_entry()
753 		if (fdb->dst != source) {  in fdb_add_entry()
754 			fdb->dst = source;  in fdb_add_entry()
759 	if (fdb_to_nud(fdb) != state) {  in fdb_add_entry()
761 			fdb->is_local = 1;  in fdb_add_entry()
762 			if (!fdb->is_static) {  in fdb_add_entry()
763 				fdb->is_static = 1;  in fdb_add_entry()
767 			fdb->is_local = 0;  in fdb_add_entry()
768 			if (!fdb->is_static) {  in fdb_add_entry()
769 				fdb->is_static = 1;  in fdb_add_entry()
773 			fdb->is_local = 0;  in fdb_add_entry()
774 			if (fdb->is_static) {  in fdb_add_entry()
775 				fdb->is_static = 0;  in fdb_add_entry()
782 	fdb->added_by_user = 1;  in fdb_add_entry()
784 	fdb->used = jiffies;  in fdb_add_entry()
786 		fdb->updated = jiffies;  in fdb_add_entry()
787 		fdb_notify(br, fdb, RTM_NEWNEIGH);  in fdb_add_entry()
873 	struct net_bridge_fdb_entry *fdb;  in fdb_delete_by_addr()  local
875 	fdb = fdb_find(head, addr, vlan);  in fdb_delete_by_addr()
876 	if (!fdb)  in fdb_delete_by_addr()
879 	fdb_delete(br, fdb);  in fdb_delete_by_addr()
940 	struct net_bridge_fdb_entry *fdb, *tmp;  in br_fdb_sync_static()  local
947 		hlist_for_each_entry(fdb, &br->hash[i], hlist) {  in br_fdb_sync_static()
949 			if (!fdb->is_static)  in br_fdb_sync_static()
952 			err = dev_uc_add(p->dev, fdb->addr.addr);  in br_fdb_sync_static()
963 			if (tmp == fdb)  in br_fdb_sync_static()
978 	struct net_bridge_fdb_entry *fdb;  in br_fdb_unsync_static()  local
984 		hlist_for_each_entry_rcu(fdb, &br->hash[i], hlist) {  in br_fdb_unsync_static()
986 			if (!fdb->is_static)  in br_fdb_unsync_static()
989 			dev_uc_del(p->dev, fdb->addr.addr);  in br_fdb_unsync_static()
998 	struct net_bridge_fdb_entry *fdb;  in br_fdb_external_learn_add()  local
1005 	fdb = fdb_find(head, addr, vid);  in br_fdb_external_learn_add()
1006 	if (!fdb) {  in br_fdb_external_learn_add()
1007 		fdb = fdb_create(head, p, addr, vid);  in br_fdb_external_learn_add()
1008 		if (!fdb) {  in br_fdb_external_learn_add()
1012 		fdb->added_by_external_learn = 1;  in br_fdb_external_learn_add()
1013 		fdb_notify(br, fdb, RTM_NEWNEIGH);  in br_fdb_external_learn_add()
1014 	} else if (fdb->added_by_external_learn) {  in br_fdb_external_learn_add()
1016 		fdb->updated = fdb->used = jiffies;  in br_fdb_external_learn_add()
1017 	} else if (!fdb->added_by_user) {  in br_fdb_external_learn_add()
1019 		fdb->added_by_external_learn = 1;  in br_fdb_external_learn_add()
1020 		fdb->updated = jiffies;  in br_fdb_external_learn_add()
1021 		fdb_notify(br, fdb, RTM_NEWNEIGH);  in br_fdb_external_learn_add()
1034 	struct net_bridge_fdb_entry *fdb;  in br_fdb_external_learn_del()  local
1041 	fdb = fdb_find(head, addr, vid);  in br_fdb_external_learn_del()
1042 	if (fdb && fdb->added_by_external_learn)  in br_fdb_external_learn_del()
1043 		fdb_delete(br, fdb);  in br_fdb_external_learn_del()