58 batadv_bla_send_announce(struct batadv_priv *bat_priv,
152 *batadv_claim_hash_find(struct batadv_priv *bat_priv,  in batadv_claim_hash_find()  argument
155 	struct batadv_hashtable *hash = bat_priv->bla.claim_hash;  in batadv_claim_hash_find()
192 batadv_backbone_hash_find(struct batadv_priv *bat_priv, u8 *addr,  in batadv_backbone_hash_find()  argument
195 	struct batadv_hashtable *hash = bat_priv->bla.backbone_hash;  in batadv_backbone_hash_find()
238 	hash = backbone_gw->bat_priv->bla.claim_hash;  in batadv_bla_del_backbone_claims()
269 static void batadv_bla_send_claim(struct batadv_priv *bat_priv, u8 *mac,  in batadv_bla_send_claim()  argument
280 	primary_if = batadv_primary_if_get_selected(bat_priv);  in batadv_bla_send_claim()
284 	memcpy(&local_claim_dest, &bat_priv->bla.claim_dest,  in batadv_bla_send_claim()
319 		batadv_dbg(BATADV_DBG_BLA, bat_priv,  in batadv_bla_send_claim()
328 		batadv_dbg(BATADV_DBG_BLA, bat_priv,  in batadv_bla_send_claim()
337 		batadv_dbg(BATADV_DBG_BLA, bat_priv,  in batadv_bla_send_claim()
348 		batadv_dbg(BATADV_DBG_BLA, bat_priv,  in batadv_bla_send_claim()
361 	batadv_inc_counter(bat_priv, BATADV_CNT_RX);  in batadv_bla_send_claim()
362 	batadv_add_counter(bat_priv, BATADV_CNT_RX_BYTES,  in batadv_bla_send_claim()
383 batadv_bla_get_backbone_gw(struct batadv_priv *bat_priv, u8 *orig,  in batadv_bla_get_backbone_gw()  argument
390 	entry = batadv_backbone_hash_find(bat_priv, orig, vid);  in batadv_bla_get_backbone_gw()
395 	batadv_dbg(BATADV_DBG_BLA, bat_priv,  in batadv_bla_get_backbone_gw()
406 	entry->bat_priv = bat_priv;  in batadv_bla_get_backbone_gw()
414 	hash_added = batadv_hash_add(bat_priv->bla.backbone_hash,  in batadv_bla_get_backbone_gw()
426 	orig_node = batadv_orig_hash_find(bat_priv, orig);  in batadv_bla_get_backbone_gw()
428 		batadv_tt_global_del_orig(bat_priv, orig_node, vid,  in batadv_bla_get_backbone_gw()
434 		batadv_bla_send_announce(bat_priv, entry);  in batadv_bla_get_backbone_gw()
439 		atomic_inc(&bat_priv->bla.num_requests);  in batadv_bla_get_backbone_gw()
449 batadv_bla_update_own_backbone_gw(struct batadv_priv *bat_priv,  in batadv_bla_update_own_backbone_gw()  argument
455 	backbone_gw = batadv_bla_get_backbone_gw(bat_priv,  in batadv_bla_update_own_backbone_gw()
474 static void batadv_bla_answer_request(struct batadv_priv *bat_priv,  in batadv_bla_answer_request()  argument
484 	batadv_dbg(BATADV_DBG_BLA, bat_priv,  in batadv_bla_answer_request()
487 	backbone_gw = batadv_backbone_hash_find(bat_priv,  in batadv_bla_answer_request()
493 	hash = bat_priv->bla.claim_hash;  in batadv_bla_answer_request()
503 			batadv_bla_send_claim(bat_priv, claim->addr, claim->vid,  in batadv_bla_answer_request()
510 	batadv_bla_send_announce(bat_priv, backbone_gw);  in batadv_bla_answer_request()
527 	batadv_dbg(BATADV_DBG_BLA, backbone_gw->bat_priv,  in batadv_bla_send_request()
531 	batadv_bla_send_claim(backbone_gw->bat_priv, backbone_gw->orig,  in batadv_bla_send_request()
536 		atomic_inc(&backbone_gw->bat_priv->bla.num_requests);  in batadv_bla_send_request()
549 static void batadv_bla_send_announce(struct batadv_priv *bat_priv,  in batadv_bla_send_announce()  argument
559 	batadv_bla_send_claim(bat_priv, mac, backbone_gw->vid,  in batadv_bla_send_announce()
570 static void batadv_bla_add_claim(struct batadv_priv *bat_priv,  in batadv_bla_add_claim()  argument
580 	claim = batadv_claim_hash_find(bat_priv, &search_claim);  in batadv_bla_add_claim()
594 		batadv_dbg(BATADV_DBG_BLA, bat_priv,  in batadv_bla_add_claim()
597 		hash_added = batadv_hash_add(bat_priv->bla.claim_hash,  in batadv_bla_add_claim()
613 		batadv_dbg(BATADV_DBG_BLA, bat_priv,  in batadv_bla_add_claim()
634 static void batadv_bla_del_claim(struct batadv_priv *bat_priv,  in batadv_bla_del_claim()  argument
641 	claim = batadv_claim_hash_find(bat_priv, &search_claim);  in batadv_bla_del_claim()
645 	batadv_dbg(BATADV_DBG_BLA, bat_priv, "bla_del_claim(): %pM, vid %d\n",  in batadv_bla_del_claim()
648 	batadv_hash_remove(bat_priv->bla.claim_hash, batadv_compare_claim,  in batadv_bla_del_claim()
659 static int batadv_handle_announce(struct batadv_priv *bat_priv, u8 *an_addr,  in batadv_handle_announce()  argument
668 	backbone_gw = batadv_bla_get_backbone_gw(bat_priv, backbone_addr, vid,  in batadv_handle_announce()
678 	batadv_dbg(BATADV_DBG_BLA, bat_priv,  in batadv_handle_announce()
683 		batadv_dbg(BATADV_DBG_BLA, backbone_gw->bat_priv,  in batadv_handle_announce()
695 			atomic_dec(&backbone_gw->bat_priv->bla.num_requests);  in batadv_handle_announce()
705 static int batadv_handle_request(struct batadv_priv *bat_priv,  in batadv_handle_request()  argument
720 	batadv_dbg(BATADV_DBG_BLA, bat_priv,  in batadv_handle_request()
724 	batadv_bla_answer_request(bat_priv, primary_if, vid);  in batadv_handle_request()
729 static int batadv_handle_unclaim(struct batadv_priv *bat_priv,  in batadv_handle_unclaim()  argument
739 		batadv_bla_send_claim(bat_priv, claim_addr, vid,  in batadv_handle_unclaim()
742 	backbone_gw = batadv_backbone_hash_find(bat_priv, backbone_addr, vid);  in batadv_handle_unclaim()
748 	batadv_dbg(BATADV_DBG_BLA, bat_priv,  in batadv_handle_unclaim()
752 	batadv_bla_del_claim(bat_priv, claim_addr, vid);  in batadv_handle_unclaim()
758 static int batadv_handle_claim(struct batadv_priv *bat_priv,  in batadv_handle_claim()  argument
767 	backbone_gw = batadv_bla_get_backbone_gw(bat_priv, backbone_addr, vid,  in batadv_handle_claim()
774 	batadv_bla_add_claim(bat_priv, claim_addr, vid, backbone_gw);  in batadv_handle_claim()
776 		batadv_bla_send_claim(bat_priv, claim_addr, vid,  in batadv_handle_claim()
802 static int batadv_check_claim_group(struct batadv_priv *bat_priv,  in batadv_check_claim_group()  argument
812 	bla_dst_own = &bat_priv->bla.claim_dest;  in batadv_check_claim_group()
839 	orig_node = batadv_orig_hash_find(bat_priv, backbone_addr);  in batadv_check_claim_group()
849 		batadv_dbg(BATADV_DBG_BLA, bat_priv,  in batadv_check_claim_group()
871 static int batadv_bla_process_claim(struct batadv_priv *bat_priv,  in batadv_bla_process_claim()  argument
939 	bla_dst_own = &bat_priv->bla.claim_dest;  in batadv_bla_process_claim()
954 	ret = batadv_check_claim_group(bat_priv, primary_if, hw_src, hw_dst,  in batadv_bla_process_claim()
957 		batadv_dbg(BATADV_DBG_BLA, bat_priv,  in batadv_bla_process_claim()
966 	batadv_bla_update_own_backbone_gw(bat_priv, primary_if, vid);  in batadv_bla_process_claim()
971 		if (batadv_handle_claim(bat_priv, primary_if, hw_src,  in batadv_bla_process_claim()
976 		if (batadv_handle_unclaim(bat_priv, primary_if,  in batadv_bla_process_claim()
982 		if (batadv_handle_announce(bat_priv, hw_src, ethhdr->h_source,  in batadv_bla_process_claim()
987 		if (batadv_handle_request(bat_priv, primary_if, hw_src, ethhdr,  in batadv_bla_process_claim()
993 	batadv_dbg(BATADV_DBG_BLA, bat_priv,  in batadv_bla_process_claim()
1002 static void batadv_bla_purge_backbone_gw(struct batadv_priv *bat_priv, int now)  in batadv_bla_purge_backbone_gw()  argument
1011 	hash = bat_priv->bla.backbone_hash;  in batadv_bla_purge_backbone_gw()
1028 			batadv_dbg(BATADV_DBG_BLA, backbone_gw->bat_priv,  in batadv_bla_purge_backbone_gw()
1035 				atomic_dec(&bat_priv->bla.num_requests);  in batadv_bla_purge_backbone_gw()
1055 static void batadv_bla_purge_claims(struct batadv_priv *bat_priv,  in batadv_bla_purge_claims()  argument
1064 	hash = bat_priv->bla.claim_hash;  in batadv_bla_purge_claims()
1082 			batadv_dbg(BATADV_DBG_BLA, bat_priv,  in batadv_bla_purge_claims()
1087 			batadv_handle_unclaim(bat_priv, primary_if,  in batadv_bla_purge_claims()
1103 void batadv_bla_update_orig_address(struct batadv_priv *bat_priv,  in batadv_bla_update_orig_address()  argument
1115 	bat_priv->bla.claim_dest.group = group;  in batadv_bla_update_orig_address()
1118 	if (!atomic_read(&bat_priv->bridge_loop_avoidance))  in batadv_bla_update_orig_address()
1122 		batadv_bla_purge_claims(bat_priv, NULL, 1);  in batadv_bla_update_orig_address()
1123 		batadv_bla_purge_backbone_gw(bat_priv, 1);  in batadv_bla_update_orig_address()
1127 	hash = bat_priv->bla.backbone_hash;  in batadv_bla_update_orig_address()
1146 			batadv_bla_send_announce(bat_priv, backbone_gw);  in batadv_bla_update_orig_address()
1159 	struct batadv_priv *bat_priv;  in batadv_bla_periodic_work()  local
1169 	bat_priv = container_of(priv_bla, struct batadv_priv, bla);  in batadv_bla_periodic_work()
1170 	primary_if = batadv_primary_if_get_selected(bat_priv);  in batadv_bla_periodic_work()
1174 	batadv_bla_purge_claims(bat_priv, primary_if, 0);  in batadv_bla_periodic_work()
1175 	batadv_bla_purge_backbone_gw(bat_priv, 0);  in batadv_bla_periodic_work()
1177 	if (!atomic_read(&bat_priv->bridge_loop_avoidance))  in batadv_bla_periodic_work()
1180 	hash = bat_priv->bla.backbone_hash;  in batadv_bla_periodic_work()
1195 			batadv_bla_send_announce(bat_priv, backbone_gw);  in batadv_bla_periodic_work()
1212 			atomic_dec(&backbone_gw->bat_priv->bla.num_requests);  in batadv_bla_periodic_work()
1221 	queue_delayed_work(batadv_event_workqueue, &bat_priv->bla.work,  in batadv_bla_periodic_work()
1234 int batadv_bla_init(struct batadv_priv *bat_priv)  in batadv_bla_init()  argument
1242 	spin_lock_init(&bat_priv->bla.bcast_duplist_lock);  in batadv_bla_init()
1244 	batadv_dbg(BATADV_DBG_BLA, bat_priv, "bla hash registering\n");  in batadv_bla_init()
1247 	memcpy(&bat_priv->bla.claim_dest.magic, claim_dest, 3);  in batadv_bla_init()
1248 	bat_priv->bla.claim_dest.type = 0;  in batadv_bla_init()
1249 	primary_if = batadv_primary_if_get_selected(bat_priv);  in batadv_bla_init()
1252 		bat_priv->bla.claim_dest.group = htons(crc);  in batadv_bla_init()
1255 		bat_priv->bla.claim_dest.group = 0; /* will be set later */  in batadv_bla_init()
1261 		bat_priv->bla.bcast_duplist[i].entrytime = entrytime;  in batadv_bla_init()
1262 	bat_priv->bla.bcast_duplist_curr = 0;  in batadv_bla_init()
1264 	if (bat_priv->bla.claim_hash)  in batadv_bla_init()
1267 	bat_priv->bla.claim_hash = batadv_hash_new(128);  in batadv_bla_init()
1268 	bat_priv->bla.backbone_hash = batadv_hash_new(32);  in batadv_bla_init()
1270 	if (!bat_priv->bla.claim_hash || !bat_priv->bla.backbone_hash)  in batadv_bla_init()
1273 	batadv_hash_set_lock_class(bat_priv->bla.claim_hash,  in batadv_bla_init()
1275 	batadv_hash_set_lock_class(bat_priv->bla.backbone_hash,  in batadv_bla_init()
1278 	batadv_dbg(BATADV_DBG_BLA, bat_priv, "bla hashes initialized\n");  in batadv_bla_init()
1280 	INIT_DELAYED_WORK(&bat_priv->bla.work, batadv_bla_periodic_work);  in batadv_bla_init()
1282 	queue_delayed_work(batadv_event_workqueue, &bat_priv->bla.work,  in batadv_bla_init()
1301 int batadv_bla_check_bcast_duplist(struct batadv_priv *bat_priv,  in batadv_bla_check_bcast_duplist()  argument
1314 	spin_lock_bh(&bat_priv->bla.bcast_duplist_lock);  in batadv_bla_check_bcast_duplist()
1317 		curr = (bat_priv->bla.bcast_duplist_curr + i);  in batadv_bla_check_bcast_duplist()
1319 		entry = &bat_priv->bla.bcast_duplist[curr];  in batadv_bla_check_bcast_duplist()
1343 	curr = (bat_priv->bla.bcast_duplist_curr + BATADV_DUPLIST_SIZE - 1);  in batadv_bla_check_bcast_duplist()
1345 	entry = &bat_priv->bla.bcast_duplist[curr];  in batadv_bla_check_bcast_duplist()
1349 	bat_priv->bla.bcast_duplist_curr = curr;  in batadv_bla_check_bcast_duplist()
1352 	spin_unlock_bh(&bat_priv->bla.bcast_duplist_lock);  in batadv_bla_check_bcast_duplist()
1367 bool batadv_bla_is_backbone_gw_orig(struct batadv_priv *bat_priv, u8 *orig,  in batadv_bla_is_backbone_gw_orig()  argument
1370 	struct batadv_hashtable *hash = bat_priv->bla.backbone_hash;  in batadv_bla_is_backbone_gw_orig()
1375 	if (!atomic_read(&bat_priv->bridge_loop_avoidance))  in batadv_bla_is_backbone_gw_orig()
1414 	if (!atomic_read(&orig_node->bat_priv->bridge_loop_avoidance))  in batadv_bla_is_backbone_gw()
1424 	backbone_gw = batadv_backbone_hash_find(orig_node->bat_priv,  in batadv_bla_is_backbone_gw()
1434 void batadv_bla_free(struct batadv_priv *bat_priv)  in batadv_bla_free()  argument
1438 	cancel_delayed_work_sync(&bat_priv->bla.work);  in batadv_bla_free()
1439 	primary_if = batadv_primary_if_get_selected(bat_priv);  in batadv_bla_free()
1441 	if (bat_priv->bla.claim_hash) {  in batadv_bla_free()
1442 		batadv_bla_purge_claims(bat_priv, primary_if, 1);  in batadv_bla_free()
1443 		batadv_hash_destroy(bat_priv->bla.claim_hash);  in batadv_bla_free()
1444 		bat_priv->bla.claim_hash = NULL;  in batadv_bla_free()
1446 	if (bat_priv->bla.backbone_hash) {  in batadv_bla_free()
1447 		batadv_bla_purge_backbone_gw(bat_priv, 1);  in batadv_bla_free()
1448 		batadv_hash_destroy(bat_priv->bla.backbone_hash);  in batadv_bla_free()
1449 		bat_priv->bla.backbone_hash = NULL;  in batadv_bla_free()
1470 int batadv_bla_rx(struct batadv_priv *bat_priv, struct sk_buff *skb,  in batadv_bla_rx()  argument
1480 	primary_if = batadv_primary_if_get_selected(bat_priv);  in batadv_bla_rx()
1484 	if (!atomic_read(&bat_priv->bridge_loop_avoidance))  in batadv_bla_rx()
1487 	if (unlikely(atomic_read(&bat_priv->bla.num_requests)))  in batadv_bla_rx()
1494 	claim = batadv_claim_hash_find(bat_priv, &search_claim);  in batadv_bla_rx()
1500 		batadv_handle_claim(bat_priv, primary_if,  in batadv_bla_rx()
1528 		batadv_handle_claim(bat_priv, primary_if,  in batadv_bla_rx()
1534 	batadv_bla_update_own_backbone_gw(bat_priv, primary_if, vid);  in batadv_bla_rx()
1566 int batadv_bla_tx(struct batadv_priv *bat_priv, struct sk_buff *skb,  in batadv_bla_tx()  argument
1574 	primary_if = batadv_primary_if_get_selected(bat_priv);  in batadv_bla_tx()
1578 	if (!atomic_read(&bat_priv->bridge_loop_avoidance))  in batadv_bla_tx()
1581 	if (batadv_bla_process_claim(bat_priv, primary_if, skb))  in batadv_bla_tx()
1586 	if (unlikely(atomic_read(&bat_priv->bla.num_requests)))  in batadv_bla_tx()
1594 	claim = batadv_claim_hash_find(bat_priv, &search_claim);  in batadv_bla_tx()
1606 		batadv_handle_unclaim(bat_priv, primary_if,  in batadv_bla_tx()
1625 	batadv_bla_update_own_backbone_gw(bat_priv, primary_if, vid);  in batadv_bla_tx()
1641 	struct batadv_priv *bat_priv = netdev_priv(net_dev);  in batadv_bla_claim_table_seq_print_text()  local
1642 	struct batadv_hashtable *hash = bat_priv->bla.claim_hash;  in batadv_bla_claim_table_seq_print_text()
1658 		   ntohs(bat_priv->bla.claim_dest.group));  in batadv_bla_claim_table_seq_print_text()
1685 	struct batadv_priv *bat_priv = netdev_priv(net_dev);  in batadv_bla_backbone_table_seq_print_text()  local
1686 	struct batadv_hashtable *hash = bat_priv->bla.backbone_hash;  in batadv_bla_backbone_table_seq_print_text()
1703 		   ntohs(bat_priv->bla.claim_dest.group));  in batadv_bla_backbone_table_seq_print_text()