36 batadv_bla_send_announce(struct batadv_priv *bat_priv,
142 *batadv_claim_hash_find(struct batadv_priv *bat_priv,  in batadv_claim_hash_find()  argument
145 	struct batadv_hashtable *hash = bat_priv->bla.claim_hash;  in batadv_claim_hash_find()
182 batadv_backbone_hash_find(struct batadv_priv *bat_priv,  in batadv_backbone_hash_find()  argument
185 	struct batadv_hashtable *hash = bat_priv->bla.backbone_hash;  in batadv_backbone_hash_find()
228 	hash = backbone_gw->bat_priv->bla.claim_hash;  in batadv_bla_del_backbone_claims()
259 static void batadv_bla_send_claim(struct batadv_priv *bat_priv, uint8_t *mac,  in batadv_bla_send_claim()  argument
270 	primary_if = batadv_primary_if_get_selected(bat_priv);  in batadv_bla_send_claim()
274 	memcpy(&local_claim_dest, &bat_priv->bla.claim_dest,  in batadv_bla_send_claim()
309 		batadv_dbg(BATADV_DBG_BLA, bat_priv,  in batadv_bla_send_claim()
318 		batadv_dbg(BATADV_DBG_BLA, bat_priv,  in batadv_bla_send_claim()
327 		batadv_dbg(BATADV_DBG_BLA, bat_priv,  in batadv_bla_send_claim()
338 		batadv_dbg(BATADV_DBG_BLA, bat_priv,  in batadv_bla_send_claim()
351 	batadv_inc_counter(bat_priv, BATADV_CNT_RX);  in batadv_bla_send_claim()
352 	batadv_add_counter(bat_priv, BATADV_CNT_RX_BYTES,  in batadv_bla_send_claim()
372 batadv_bla_get_backbone_gw(struct batadv_priv *bat_priv, uint8_t *orig,  in batadv_bla_get_backbone_gw()  argument
379 	entry = batadv_backbone_hash_find(bat_priv, orig, vid);  in batadv_bla_get_backbone_gw()
384 	batadv_dbg(BATADV_DBG_BLA, bat_priv,  in batadv_bla_get_backbone_gw()
395 	entry->bat_priv = bat_priv;  in batadv_bla_get_backbone_gw()
403 	hash_added = batadv_hash_add(bat_priv->bla.backbone_hash,  in batadv_bla_get_backbone_gw()
415 	orig_node = batadv_orig_hash_find(bat_priv, orig);  in batadv_bla_get_backbone_gw()
417 		batadv_tt_global_del_orig(bat_priv, orig_node, vid,  in batadv_bla_get_backbone_gw()
423 		batadv_bla_send_announce(bat_priv, entry);  in batadv_bla_get_backbone_gw()
428 		atomic_inc(&bat_priv->bla.num_requests);  in batadv_bla_get_backbone_gw()
438 batadv_bla_update_own_backbone_gw(struct batadv_priv *bat_priv,  in batadv_bla_update_own_backbone_gw()  argument
444 	backbone_gw = batadv_bla_get_backbone_gw(bat_priv,  in batadv_bla_update_own_backbone_gw()
462 static void batadv_bla_answer_request(struct batadv_priv *bat_priv,  in batadv_bla_answer_request()  argument
472 	batadv_dbg(BATADV_DBG_BLA, bat_priv,  in batadv_bla_answer_request()
475 	backbone_gw = batadv_backbone_hash_find(bat_priv,  in batadv_bla_answer_request()
481 	hash = bat_priv->bla.claim_hash;  in batadv_bla_answer_request()
491 			batadv_bla_send_claim(bat_priv, claim->addr, claim->vid,  in batadv_bla_answer_request()
498 	batadv_bla_send_announce(bat_priv, backbone_gw);  in batadv_bla_answer_request()
515 	batadv_dbg(BATADV_DBG_BLA, backbone_gw->bat_priv,  in batadv_bla_send_request()
519 	batadv_bla_send_claim(backbone_gw->bat_priv, backbone_gw->orig,  in batadv_bla_send_request()
524 		atomic_inc(&backbone_gw->bat_priv->bla.num_requests);  in batadv_bla_send_request()
537 static void batadv_bla_send_announce(struct batadv_priv *bat_priv,  in batadv_bla_send_announce()  argument
547 	batadv_bla_send_claim(bat_priv, mac, backbone_gw->vid,  in batadv_bla_send_announce()
558 static void batadv_bla_add_claim(struct batadv_priv *bat_priv,  in batadv_bla_add_claim()  argument
568 	claim = batadv_claim_hash_find(bat_priv, &search_claim);  in batadv_bla_add_claim()
582 		batadv_dbg(BATADV_DBG_BLA, bat_priv,  in batadv_bla_add_claim()
585 		hash_added = batadv_hash_add(bat_priv->bla.claim_hash,  in batadv_bla_add_claim()
601 		batadv_dbg(BATADV_DBG_BLA, bat_priv,  in batadv_bla_add_claim()
622 static void batadv_bla_del_claim(struct batadv_priv *bat_priv,  in batadv_bla_del_claim()  argument
629 	claim = batadv_claim_hash_find(bat_priv, &search_claim);  in batadv_bla_del_claim()
633 	batadv_dbg(BATADV_DBG_BLA, bat_priv, "bla_del_claim(): %pM, vid %d\n",  in batadv_bla_del_claim()
636 	batadv_hash_remove(bat_priv->bla.claim_hash, batadv_compare_claim,  in batadv_bla_del_claim()
647 static int batadv_handle_announce(struct batadv_priv *bat_priv,  in batadv_handle_announce()  argument
657 	backbone_gw = batadv_bla_get_backbone_gw(bat_priv, backbone_addr, vid,  in batadv_handle_announce()
668 	batadv_dbg(BATADV_DBG_BLA, bat_priv,  in batadv_handle_announce()
673 		batadv_dbg(BATADV_DBG_BLA, backbone_gw->bat_priv,  in batadv_handle_announce()
685 			atomic_dec(&backbone_gw->bat_priv->bla.num_requests);  in batadv_handle_announce()
695 static int batadv_handle_request(struct batadv_priv *bat_priv,  in batadv_handle_request()  argument
710 	batadv_dbg(BATADV_DBG_BLA, bat_priv,  in batadv_handle_request()
714 	batadv_bla_answer_request(bat_priv, primary_if, vid);  in batadv_handle_request()
719 static int batadv_handle_unclaim(struct batadv_priv *bat_priv,  in batadv_handle_unclaim()  argument
729 		batadv_bla_send_claim(bat_priv, claim_addr, vid,  in batadv_handle_unclaim()
732 	backbone_gw = batadv_backbone_hash_find(bat_priv, backbone_addr, vid);  in batadv_handle_unclaim()
738 	batadv_dbg(BATADV_DBG_BLA, bat_priv,  in batadv_handle_unclaim()
742 	batadv_bla_del_claim(bat_priv, claim_addr, vid);  in batadv_handle_unclaim()
748 static int batadv_handle_claim(struct batadv_priv *bat_priv,  in batadv_handle_claim()  argument
757 	backbone_gw = batadv_bla_get_backbone_gw(bat_priv, backbone_addr, vid,  in batadv_handle_claim()
764 	batadv_bla_add_claim(bat_priv, claim_addr, vid, backbone_gw);  in batadv_handle_claim()
766 		batadv_bla_send_claim(bat_priv, claim_addr, vid,  in batadv_handle_claim()
791 static int batadv_check_claim_group(struct batadv_priv *bat_priv,  in batadv_check_claim_group()  argument
801 	bla_dst_own = &bat_priv->bla.claim_dest;  in batadv_check_claim_group()
828 	orig_node = batadv_orig_hash_find(bat_priv, backbone_addr);  in batadv_check_claim_group()
838 		batadv_dbg(BATADV_DBG_BLA, bat_priv,  in batadv_check_claim_group()
860 static int batadv_bla_process_claim(struct batadv_priv *bat_priv,  in batadv_bla_process_claim()  argument
928 	bla_dst_own = &bat_priv->bla.claim_dest;  in batadv_bla_process_claim()
943 	ret = batadv_check_claim_group(bat_priv, primary_if, hw_src, hw_dst,  in batadv_bla_process_claim()
946 		batadv_dbg(BATADV_DBG_BLA, bat_priv,  in batadv_bla_process_claim()
955 	batadv_bla_update_own_backbone_gw(bat_priv, primary_if, vid);  in batadv_bla_process_claim()
960 		if (batadv_handle_claim(bat_priv, primary_if, hw_src,  in batadv_bla_process_claim()
965 		if (batadv_handle_unclaim(bat_priv, primary_if,  in batadv_bla_process_claim()
971 		if (batadv_handle_announce(bat_priv, hw_src, ethhdr->h_source,  in batadv_bla_process_claim()
976 		if (batadv_handle_request(bat_priv, primary_if, hw_src, ethhdr,  in batadv_bla_process_claim()
982 	batadv_dbg(BATADV_DBG_BLA, bat_priv,  in batadv_bla_process_claim()
991 static void batadv_bla_purge_backbone_gw(struct batadv_priv *bat_priv, int now)  in batadv_bla_purge_backbone_gw()  argument
1000 	hash = bat_priv->bla.backbone_hash;  in batadv_bla_purge_backbone_gw()
1017 			batadv_dbg(BATADV_DBG_BLA, backbone_gw->bat_priv,  in batadv_bla_purge_backbone_gw()
1024 				atomic_dec(&bat_priv->bla.num_requests);  in batadv_bla_purge_backbone_gw()
1044 static void batadv_bla_purge_claims(struct batadv_priv *bat_priv,  in batadv_bla_purge_claims()  argument
1053 	hash = bat_priv->bla.claim_hash;  in batadv_bla_purge_claims()
1071 			batadv_dbg(BATADV_DBG_BLA, bat_priv,  in batadv_bla_purge_claims()
1076 			batadv_handle_unclaim(bat_priv, primary_if,  in batadv_bla_purge_claims()
1092 void batadv_bla_update_orig_address(struct batadv_priv *bat_priv,  in batadv_bla_update_orig_address()  argument
1104 	bat_priv->bla.claim_dest.group = group;  in batadv_bla_update_orig_address()
1107 	if (!atomic_read(&bat_priv->bridge_loop_avoidance))  in batadv_bla_update_orig_address()
1111 		batadv_bla_purge_claims(bat_priv, NULL, 1);  in batadv_bla_update_orig_address()
1112 		batadv_bla_purge_backbone_gw(bat_priv, 1);  in batadv_bla_update_orig_address()
1116 	hash = bat_priv->bla.backbone_hash;  in batadv_bla_update_orig_address()
1135 			batadv_bla_send_announce(bat_priv, backbone_gw);  in batadv_bla_update_orig_address()
1148 	struct batadv_priv *bat_priv;  in batadv_bla_periodic_work()  local
1158 	bat_priv = container_of(priv_bla, struct batadv_priv, bla);  in batadv_bla_periodic_work()
1159 	primary_if = batadv_primary_if_get_selected(bat_priv);  in batadv_bla_periodic_work()
1163 	batadv_bla_purge_claims(bat_priv, primary_if, 0);  in batadv_bla_periodic_work()
1164 	batadv_bla_purge_backbone_gw(bat_priv, 0);  in batadv_bla_periodic_work()
1166 	if (!atomic_read(&bat_priv->bridge_loop_avoidance))  in batadv_bla_periodic_work()
1169 	hash = bat_priv->bla.backbone_hash;  in batadv_bla_periodic_work()
1184 			batadv_bla_send_announce(bat_priv, backbone_gw);  in batadv_bla_periodic_work()
1201 			atomic_dec(&backbone_gw->bat_priv->bla.num_requests);  in batadv_bla_periodic_work()
1210 	queue_delayed_work(batadv_event_workqueue, &bat_priv->bla.work,  in batadv_bla_periodic_work()
1223 int batadv_bla_init(struct batadv_priv *bat_priv)  in batadv_bla_init()  argument
1231 	spin_lock_init(&bat_priv->bla.bcast_duplist_lock);  in batadv_bla_init()
1233 	batadv_dbg(BATADV_DBG_BLA, bat_priv, "bla hash registering\n");  in batadv_bla_init()
1236 	memcpy(&bat_priv->bla.claim_dest.magic, claim_dest, 3);  in batadv_bla_init()
1237 	bat_priv->bla.claim_dest.type = 0;  in batadv_bla_init()
1238 	primary_if = batadv_primary_if_get_selected(bat_priv);  in batadv_bla_init()
1241 		bat_priv->bla.claim_dest.group = htons(crc);  in batadv_bla_init()
1244 		bat_priv->bla.claim_dest.group = 0; /* will be set later */  in batadv_bla_init()
1250 		bat_priv->bla.bcast_duplist[i].entrytime = entrytime;  in batadv_bla_init()
1251 	bat_priv->bla.bcast_duplist_curr = 0;  in batadv_bla_init()
1253 	if (bat_priv->bla.claim_hash)  in batadv_bla_init()
1256 	bat_priv->bla.claim_hash = batadv_hash_new(128);  in batadv_bla_init()
1257 	bat_priv->bla.backbone_hash = batadv_hash_new(32);  in batadv_bla_init()
1259 	if (!bat_priv->bla.claim_hash || !bat_priv->bla.backbone_hash)  in batadv_bla_init()
1262 	batadv_hash_set_lock_class(bat_priv->bla.claim_hash,  in batadv_bla_init()
1264 	batadv_hash_set_lock_class(bat_priv->bla.backbone_hash,  in batadv_bla_init()
1267 	batadv_dbg(BATADV_DBG_BLA, bat_priv, "bla hashes initialized\n");  in batadv_bla_init()
1269 	INIT_DELAYED_WORK(&bat_priv->bla.work, batadv_bla_periodic_work);  in batadv_bla_init()
1271 	queue_delayed_work(batadv_event_workqueue, &bat_priv->bla.work,  in batadv_bla_init()
1290 int batadv_bla_check_bcast_duplist(struct batadv_priv *bat_priv,  in batadv_bla_check_bcast_duplist()  argument
1303 	spin_lock_bh(&bat_priv->bla.bcast_duplist_lock);  in batadv_bla_check_bcast_duplist()
1306 		curr = (bat_priv->bla.bcast_duplist_curr + i);  in batadv_bla_check_bcast_duplist()
1308 		entry = &bat_priv->bla.bcast_duplist[curr];  in batadv_bla_check_bcast_duplist()
1332 	curr = (bat_priv->bla.bcast_duplist_curr + BATADV_DUPLIST_SIZE - 1);  in batadv_bla_check_bcast_duplist()
1334 	entry = &bat_priv->bla.bcast_duplist[curr];  in batadv_bla_check_bcast_duplist()
1338 	bat_priv->bla.bcast_duplist_curr = curr;  in batadv_bla_check_bcast_duplist()
1341 	spin_unlock_bh(&bat_priv->bla.bcast_duplist_lock);  in batadv_bla_check_bcast_duplist()
1358 bool batadv_bla_is_backbone_gw_orig(struct batadv_priv *bat_priv, uint8_t *orig,  in batadv_bla_is_backbone_gw_orig()  argument
1361 	struct batadv_hashtable *hash = bat_priv->bla.backbone_hash;  in batadv_bla_is_backbone_gw_orig()
1366 	if (!atomic_read(&bat_priv->bridge_loop_avoidance))  in batadv_bla_is_backbone_gw_orig()
1406 	if (!atomic_read(&orig_node->bat_priv->bridge_loop_avoidance))  in batadv_bla_is_backbone_gw()
1416 	backbone_gw = batadv_backbone_hash_find(orig_node->bat_priv,  in batadv_bla_is_backbone_gw()
1426 void batadv_bla_free(struct batadv_priv *bat_priv)  in batadv_bla_free()  argument
1430 	cancel_delayed_work_sync(&bat_priv->bla.work);  in batadv_bla_free()
1431 	primary_if = batadv_primary_if_get_selected(bat_priv);  in batadv_bla_free()
1433 	if (bat_priv->bla.claim_hash) {  in batadv_bla_free()
1434 		batadv_bla_purge_claims(bat_priv, primary_if, 1);  in batadv_bla_free()
1435 		batadv_hash_destroy(bat_priv->bla.claim_hash);  in batadv_bla_free()
1436 		bat_priv->bla.claim_hash = NULL;  in batadv_bla_free()
1438 	if (bat_priv->bla.backbone_hash) {  in batadv_bla_free()
1439 		batadv_bla_purge_backbone_gw(bat_priv, 1);  in batadv_bla_free()
1440 		batadv_hash_destroy(bat_priv->bla.backbone_hash);  in batadv_bla_free()
1441 		bat_priv->bla.backbone_hash = NULL;  in batadv_bla_free()
1462 int batadv_bla_rx(struct batadv_priv *bat_priv, struct sk_buff *skb,  in batadv_bla_rx()  argument
1472 	primary_if = batadv_primary_if_get_selected(bat_priv);  in batadv_bla_rx()
1476 	if (!atomic_read(&bat_priv->bridge_loop_avoidance))  in batadv_bla_rx()
1480 	if (unlikely(atomic_read(&bat_priv->bla.num_requests)))  in batadv_bla_rx()
1487 	claim = batadv_claim_hash_find(bat_priv, &search_claim);  in batadv_bla_rx()
1493 		batadv_handle_claim(bat_priv, primary_if,  in batadv_bla_rx()
1521 		batadv_handle_claim(bat_priv, primary_if,  in batadv_bla_rx()
1527 	batadv_bla_update_own_backbone_gw(bat_priv, primary_if, vid);  in batadv_bla_rx()
1559 int batadv_bla_tx(struct batadv_priv *bat_priv, struct sk_buff *skb,  in batadv_bla_tx()  argument
1567 	primary_if = batadv_primary_if_get_selected(bat_priv);  in batadv_bla_tx()
1571 	if (!atomic_read(&bat_priv->bridge_loop_avoidance))  in batadv_bla_tx()
1574 	if (batadv_bla_process_claim(bat_priv, primary_if, skb))  in batadv_bla_tx()
1579 	if (unlikely(atomic_read(&bat_priv->bla.num_requests)))  in batadv_bla_tx()
1587 	claim = batadv_claim_hash_find(bat_priv, &search_claim);  in batadv_bla_tx()
1599 		batadv_handle_unclaim(bat_priv, primary_if,  in batadv_bla_tx()
1618 	batadv_bla_update_own_backbone_gw(bat_priv, primary_if, vid);  in batadv_bla_tx()
1634 	struct batadv_priv *bat_priv = netdev_priv(net_dev);  in batadv_bla_claim_table_seq_print_text()  local
1635 	struct batadv_hashtable *hash = bat_priv->bla.claim_hash;  in batadv_bla_claim_table_seq_print_text()
1651 		   ntohs(bat_priv->bla.claim_dest.group));  in batadv_bla_claim_table_seq_print_text()
1678 	struct batadv_priv *bat_priv = netdev_priv(net_dev);  in batadv_bla_backbone_table_seq_print_text()  local
1679 	struct batadv_hashtable *hash = bat_priv->bla.backbone_hash;  in batadv_bla_backbone_table_seq_print_text()
1696 		   ntohs(bat_priv->bla.claim_dest.group));  in batadv_bla_backbone_table_seq_print_text()