69 batadv_bla_send_announce(struct batadv_priv *bat_priv,
224 batadv_claim_hash_find(struct batadv_priv *bat_priv,  in batadv_claim_hash_find()  argument
227 	struct batadv_hashtable *hash = bat_priv->bla.claim_hash;  in batadv_claim_hash_find()
264 batadv_backbone_hash_find(struct batadv_priv *bat_priv, u8 *addr,  in batadv_backbone_hash_find()  argument
267 	struct batadv_hashtable *hash = bat_priv->bla.backbone_hash;  in batadv_backbone_hash_find()
313 	hash = backbone_gw->bat_priv->bla.claim_hash;  in batadv_bla_del_backbone_claims()
346 static void batadv_bla_send_claim(struct batadv_priv *bat_priv, u8 *mac,  in batadv_bla_send_claim()  argument
357 	primary_if = batadv_primary_if_get_selected(bat_priv);  in batadv_bla_send_claim()
361 	memcpy(&local_claim_dest, &bat_priv->bla.claim_dest,  in batadv_bla_send_claim()
396 		batadv_dbg(BATADV_DBG_BLA, bat_priv,  in batadv_bla_send_claim()
405 		batadv_dbg(BATADV_DBG_BLA, bat_priv,  in batadv_bla_send_claim()
414 		batadv_dbg(BATADV_DBG_BLA, bat_priv,  in batadv_bla_send_claim()
425 		batadv_dbg(BATADV_DBG_BLA, bat_priv,  in batadv_bla_send_claim()
432 		batadv_dbg(BATADV_DBG_BLA, bat_priv,  in batadv_bla_send_claim()
449 	batadv_inc_counter(bat_priv, BATADV_CNT_RX);  in batadv_bla_send_claim()
450 	batadv_add_counter(bat_priv, BATADV_CNT_RX_BYTES,  in batadv_bla_send_claim()
469 	struct batadv_priv *bat_priv;  in batadv_bla_loopdetect_report()  local
474 	bat_priv = backbone_gw->bat_priv;  in batadv_bla_loopdetect_report()
476 	batadv_info(bat_priv->soft_iface,  in batadv_bla_loopdetect_report()
483 	batadv_throw_uevent(bat_priv, BATADV_UEV_BLA, BATADV_UEV_LOOPDETECT,  in batadv_bla_loopdetect_report()
499 batadv_bla_get_backbone_gw(struct batadv_priv *bat_priv, u8 *orig,  in batadv_bla_get_backbone_gw()  argument
506 	entry = batadv_backbone_hash_find(bat_priv, orig, vid);  in batadv_bla_get_backbone_gw()
511 	batadv_dbg(BATADV_DBG_BLA, bat_priv,  in batadv_bla_get_backbone_gw()
522 	entry->bat_priv = bat_priv;  in batadv_bla_get_backbone_gw()
531 	hash_added = batadv_hash_add(bat_priv->bla.backbone_hash,  in batadv_bla_get_backbone_gw()
543 	orig_node = batadv_orig_hash_find(bat_priv, orig);  in batadv_bla_get_backbone_gw()
545 		batadv_tt_global_del_orig(bat_priv, orig_node, vid,  in batadv_bla_get_backbone_gw()
551 		batadv_bla_send_announce(bat_priv, entry);  in batadv_bla_get_backbone_gw()
556 		atomic_inc(&bat_priv->bla.num_requests);  in batadv_bla_get_backbone_gw()
572 batadv_bla_update_own_backbone_gw(struct batadv_priv *bat_priv,  in batadv_bla_update_own_backbone_gw()  argument
578 	backbone_gw = batadv_bla_get_backbone_gw(bat_priv,  in batadv_bla_update_own_backbone_gw()
597 static void batadv_bla_answer_request(struct batadv_priv *bat_priv,  in batadv_bla_answer_request()  argument
607 	batadv_dbg(BATADV_DBG_BLA, bat_priv,  in batadv_bla_answer_request()
611 	backbone_gw = batadv_backbone_hash_find(bat_priv,  in batadv_bla_answer_request()
617 	hash = bat_priv->bla.claim_hash;  in batadv_bla_answer_request()
627 			batadv_bla_send_claim(bat_priv, claim->addr, claim->vid,  in batadv_bla_answer_request()
634 	batadv_bla_send_announce(bat_priv, backbone_gw);  in batadv_bla_answer_request()
651 	batadv_dbg(BATADV_DBG_BLA, backbone_gw->bat_priv,  in batadv_bla_send_request()
655 	batadv_bla_send_claim(backbone_gw->bat_priv, backbone_gw->orig,  in batadv_bla_send_request()
660 		atomic_inc(&backbone_gw->bat_priv->bla.num_requests);  in batadv_bla_send_request()
670 static void batadv_bla_send_announce(struct batadv_priv *bat_priv,  in batadv_bla_send_announce()  argument
682 	batadv_bla_send_claim(bat_priv, mac, backbone_gw->vid,  in batadv_bla_send_announce()
693 static void batadv_bla_add_claim(struct batadv_priv *bat_priv,  in batadv_bla_add_claim()  argument
705 	claim = batadv_claim_hash_find(bat_priv, &search_claim);  in batadv_bla_add_claim()
721 		batadv_dbg(BATADV_DBG_BLA, bat_priv,  in batadv_bla_add_claim()
726 		hash_added = batadv_hash_add(bat_priv->bla.claim_hash,  in batadv_bla_add_claim()
742 		batadv_dbg(BATADV_DBG_BLA, bat_priv,  in batadv_bla_add_claim()
802 static void batadv_bla_del_claim(struct batadv_priv *bat_priv,  in batadv_bla_del_claim()  argument
809 	claim = batadv_claim_hash_find(bat_priv, &search_claim);  in batadv_bla_del_claim()
813 	batadv_dbg(BATADV_DBG_BLA, bat_priv, "%s(): %pM, vid %d\n", __func__,  in batadv_bla_del_claim()
816 	batadv_hash_remove(bat_priv->bla.claim_hash, batadv_compare_claim,  in batadv_bla_del_claim()
833 static bool batadv_handle_announce(struct batadv_priv *bat_priv, u8 *an_addr,  in batadv_handle_announce()  argument
842 	backbone_gw = batadv_bla_get_backbone_gw(bat_priv, backbone_addr, vid,  in batadv_handle_announce()
852 	batadv_dbg(BATADV_DBG_BLA, bat_priv,  in batadv_handle_announce()
861 		batadv_dbg(BATADV_DBG_BLA, backbone_gw->bat_priv,  in batadv_handle_announce()
873 			atomic_dec(&backbone_gw->bat_priv->bla.num_requests);  in batadv_handle_announce()
892 static bool batadv_handle_request(struct batadv_priv *bat_priv,  in batadv_handle_request()  argument
907 	batadv_dbg(BATADV_DBG_BLA, bat_priv,  in batadv_handle_request()
911 	batadv_bla_answer_request(bat_priv, primary_if, vid);  in batadv_handle_request()
925 static bool batadv_handle_unclaim(struct batadv_priv *bat_priv,  in batadv_handle_unclaim()  argument
935 		batadv_bla_send_claim(bat_priv, claim_addr, vid,  in batadv_handle_unclaim()
938 	backbone_gw = batadv_backbone_hash_find(bat_priv, backbone_addr, vid);  in batadv_handle_unclaim()
944 	batadv_dbg(BATADV_DBG_BLA, bat_priv,  in batadv_handle_unclaim()
948 	batadv_bla_del_claim(bat_priv, claim_addr, vid);  in batadv_handle_unclaim()
963 static bool batadv_handle_claim(struct batadv_priv *bat_priv,  in batadv_handle_claim()  argument
972 	backbone_gw = batadv_bla_get_backbone_gw(bat_priv, backbone_addr, vid,  in batadv_handle_claim()
979 	batadv_bla_add_claim(bat_priv, claim_addr, vid, backbone_gw);  in batadv_handle_claim()
981 		batadv_bla_send_claim(bat_priv, claim_addr, vid,  in batadv_handle_claim()
1007 static int batadv_check_claim_group(struct batadv_priv *bat_priv,  in batadv_check_claim_group()  argument
1017 	bla_dst_own = &bat_priv->bla.claim_dest;  in batadv_check_claim_group()
1044 	orig_node = batadv_orig_hash_find(bat_priv, backbone_addr);  in batadv_check_claim_group()
1054 		batadv_dbg(BATADV_DBG_BLA, bat_priv,  in batadv_check_claim_group()
1074 static bool batadv_bla_process_claim(struct batadv_priv *bat_priv,  in batadv_bla_process_claim()  argument
1142 	bla_dst_own = &bat_priv->bla.claim_dest;  in batadv_bla_process_claim()
1161 	ret = batadv_check_claim_group(bat_priv, primary_if, hw_src, hw_dst,  in batadv_bla_process_claim()
1164 		batadv_dbg(BATADV_DBG_BLA, bat_priv,  in batadv_bla_process_claim()
1173 	batadv_bla_update_own_backbone_gw(bat_priv, primary_if, vid);  in batadv_bla_process_claim()
1178 		if (batadv_handle_claim(bat_priv, primary_if, hw_src,  in batadv_bla_process_claim()
1183 		if (batadv_handle_unclaim(bat_priv, primary_if,  in batadv_bla_process_claim()
1189 		if (batadv_handle_announce(bat_priv, hw_src, ethhdr->h_source,  in batadv_bla_process_claim()
1194 		if (batadv_handle_request(bat_priv, primary_if, hw_src, ethhdr,  in batadv_bla_process_claim()
1200 	batadv_dbg(BATADV_DBG_BLA, bat_priv,  in batadv_bla_process_claim()
1216 static void batadv_bla_purge_backbone_gw(struct batadv_priv *bat_priv, int now)  in batadv_bla_purge_backbone_gw()  argument
1225 	hash = bat_priv->bla.backbone_hash;  in batadv_bla_purge_backbone_gw()
1242 			batadv_dbg(BATADV_DBG_BLA, backbone_gw->bat_priv,  in batadv_bla_purge_backbone_gw()
1249 				atomic_dec(&bat_priv->bla.num_requests);  in batadv_bla_purge_backbone_gw()
1269 static void batadv_bla_purge_claims(struct batadv_priv *bat_priv,  in batadv_bla_purge_claims()  argument
1279 	hash = bat_priv->bla.claim_hash;  in batadv_bla_purge_claims()
1300 			batadv_dbg(BATADV_DBG_BLA, bat_priv,  in batadv_bla_purge_claims()
1304 			batadv_dbg(BATADV_DBG_BLA, bat_priv,  in batadv_bla_purge_claims()
1308 			batadv_handle_unclaim(bat_priv, primary_if,  in batadv_bla_purge_claims()
1325 void batadv_bla_update_orig_address(struct batadv_priv *bat_priv,  in batadv_bla_update_orig_address()  argument
1337 	bat_priv->bla.claim_dest.group = group;  in batadv_bla_update_orig_address()
1340 	if (!atomic_read(&bat_priv->bridge_loop_avoidance))  in batadv_bla_update_orig_address()
1344 		batadv_bla_purge_claims(bat_priv, NULL, 1);  in batadv_bla_update_orig_address()
1345 		batadv_bla_purge_backbone_gw(bat_priv, 1);  in batadv_bla_update_orig_address()
1349 	hash = bat_priv->bla.backbone_hash;  in batadv_bla_update_orig_address()
1368 			batadv_bla_send_announce(bat_priv, backbone_gw);  in batadv_bla_update_orig_address()
1385 batadv_bla_send_loopdetect(struct batadv_priv *bat_priv,  in batadv_bla_send_loopdetect()  argument
1388 	batadv_dbg(BATADV_DBG_BLA, bat_priv, "Send loopdetect frame for vid %d\n",  in batadv_bla_send_loopdetect()
1390 	batadv_bla_send_claim(bat_priv, bat_priv->bla.loopdetect_addr,  in batadv_bla_send_loopdetect()
1400 	struct batadv_priv *bat_priv = netdev_priv(net_dev);  in batadv_bla_status_update()  local
1403 	primary_if = batadv_primary_if_get_selected(bat_priv);  in batadv_bla_status_update()
1410 	batadv_bla_update_orig_address(bat_priv, primary_if, primary_if);  in batadv_bla_status_update()
1425 	struct batadv_priv *bat_priv;  in batadv_bla_periodic_work()  local
1436 	bat_priv = container_of(priv_bla, struct batadv_priv, bla);  in batadv_bla_periodic_work()
1437 	primary_if = batadv_primary_if_get_selected(bat_priv);  in batadv_bla_periodic_work()
1441 	batadv_bla_purge_claims(bat_priv, primary_if, 0);  in batadv_bla_periodic_work()
1442 	batadv_bla_purge_backbone_gw(bat_priv, 0);  in batadv_bla_periodic_work()
1444 	if (!atomic_read(&bat_priv->bridge_loop_avoidance))  in batadv_bla_periodic_work()
1447 	if (atomic_dec_and_test(&bat_priv->bla.loopdetect_next)) {  in batadv_bla_periodic_work()
1452 		eth_random_addr(bat_priv->bla.loopdetect_addr);  in batadv_bla_periodic_work()
1453 		bat_priv->bla.loopdetect_addr[0] = 0xba;  in batadv_bla_periodic_work()
1454 		bat_priv->bla.loopdetect_addr[1] = 0xbe;  in batadv_bla_periodic_work()
1455 		bat_priv->bla.loopdetect_lasttime = jiffies;  in batadv_bla_periodic_work()
1456 		atomic_set(&bat_priv->bla.loopdetect_next,  in batadv_bla_periodic_work()
1463 	hash = bat_priv->bla.backbone_hash;  in batadv_bla_periodic_work()
1478 			batadv_bla_send_announce(bat_priv, backbone_gw);  in batadv_bla_periodic_work()
1480 				batadv_bla_send_loopdetect(bat_priv,  in batadv_bla_periodic_work()
1498 			atomic_dec(&backbone_gw->bat_priv->bla.num_requests);  in batadv_bla_periodic_work()
1507 	queue_delayed_work(batadv_event_workqueue, &bat_priv->bla.work,  in batadv_bla_periodic_work()
1525 int batadv_bla_init(struct batadv_priv *bat_priv)  in batadv_bla_init()  argument
1533 	spin_lock_init(&bat_priv->bla.bcast_duplist_lock);  in batadv_bla_init()
1535 	batadv_dbg(BATADV_DBG_BLA, bat_priv, "bla hash registering\n");  in batadv_bla_init()
1538 	memcpy(&bat_priv->bla.claim_dest.magic, claim_dest, 3);  in batadv_bla_init()
1539 	bat_priv->bla.claim_dest.type = 0;  in batadv_bla_init()
1540 	primary_if = batadv_primary_if_get_selected(bat_priv);  in batadv_bla_init()
1543 		bat_priv->bla.claim_dest.group = htons(crc);  in batadv_bla_init()
1546 		bat_priv->bla.claim_dest.group = 0; /* will be set later */  in batadv_bla_init()
1552 		bat_priv->bla.bcast_duplist[i].entrytime = entrytime;  in batadv_bla_init()
1553 	bat_priv->bla.bcast_duplist_curr = 0;  in batadv_bla_init()
1555 	atomic_set(&bat_priv->bla.loopdetect_next,  in batadv_bla_init()
1558 	if (bat_priv->bla.claim_hash)  in batadv_bla_init()
1561 	bat_priv->bla.claim_hash = batadv_hash_new(128);  in batadv_bla_init()
1562 	bat_priv->bla.backbone_hash = batadv_hash_new(32);  in batadv_bla_init()
1564 	if (!bat_priv->bla.claim_hash || !bat_priv->bla.backbone_hash)  in batadv_bla_init()
1567 	batadv_hash_set_lock_class(bat_priv->bla.claim_hash,  in batadv_bla_init()
1569 	batadv_hash_set_lock_class(bat_priv->bla.backbone_hash,  in batadv_bla_init()
1572 	batadv_dbg(BATADV_DBG_BLA, bat_priv, "bla hashes initialized\n");  in batadv_bla_init()
1574 	INIT_DELAYED_WORK(&bat_priv->bla.work, batadv_bla_periodic_work);  in batadv_bla_init()
1576 	queue_delayed_work(batadv_event_workqueue, &bat_priv->bla.work,  in batadv_bla_init()
1597 bool batadv_bla_check_bcast_duplist(struct batadv_priv *bat_priv,  in batadv_bla_check_bcast_duplist()  argument
1611 	spin_lock_bh(&bat_priv->bla.bcast_duplist_lock);  in batadv_bla_check_bcast_duplist()
1614 		curr = (bat_priv->bla.bcast_duplist_curr + i);  in batadv_bla_check_bcast_duplist()
1616 		entry = &bat_priv->bla.bcast_duplist[curr];  in batadv_bla_check_bcast_duplist()
1640 	curr = (bat_priv->bla.bcast_duplist_curr + BATADV_DUPLIST_SIZE - 1);  in batadv_bla_check_bcast_duplist()
1642 	entry = &bat_priv->bla.bcast_duplist[curr];  in batadv_bla_check_bcast_duplist()
1646 	bat_priv->bla.bcast_duplist_curr = curr;  in batadv_bla_check_bcast_duplist()
1649 	spin_unlock_bh(&bat_priv->bla.bcast_duplist_lock);  in batadv_bla_check_bcast_duplist()
1663 bool batadv_bla_is_backbone_gw_orig(struct batadv_priv *bat_priv, u8 *orig,  in batadv_bla_is_backbone_gw_orig()  argument
1666 	struct batadv_hashtable *hash = bat_priv->bla.backbone_hash;  in batadv_bla_is_backbone_gw_orig()
1671 	if (!atomic_read(&bat_priv->bridge_loop_avoidance))  in batadv_bla_is_backbone_gw_orig()
1709 	if (!atomic_read(&orig_node->bat_priv->bridge_loop_avoidance))  in batadv_bla_is_backbone_gw()
1719 	backbone_gw = batadv_backbone_hash_find(orig_node->bat_priv,  in batadv_bla_is_backbone_gw()
1734 void batadv_bla_free(struct batadv_priv *bat_priv)  in batadv_bla_free()  argument
1738 	cancel_delayed_work_sync(&bat_priv->bla.work);  in batadv_bla_free()
1739 	primary_if = batadv_primary_if_get_selected(bat_priv);  in batadv_bla_free()
1741 	if (bat_priv->bla.claim_hash) {  in batadv_bla_free()
1742 		batadv_bla_purge_claims(bat_priv, primary_if, 1);  in batadv_bla_free()
1743 		batadv_hash_destroy(bat_priv->bla.claim_hash);  in batadv_bla_free()
1744 		bat_priv->bla.claim_hash = NULL;  in batadv_bla_free()
1746 	if (bat_priv->bla.backbone_hash) {  in batadv_bla_free()
1747 		batadv_bla_purge_backbone_gw(bat_priv, 1);  in batadv_bla_free()
1748 		batadv_hash_destroy(bat_priv->bla.backbone_hash);  in batadv_bla_free()
1749 		bat_priv->bla.backbone_hash = NULL;  in batadv_bla_free()
1769 batadv_bla_loopdetect_check(struct batadv_priv *bat_priv, struct sk_buff *skb,  in batadv_bla_loopdetect_check()  argument
1783 				bat_priv->bla.loopdetect_addr))  in batadv_bla_loopdetect_check()
1789 	if (batadv_has_timed_out(bat_priv->bla.loopdetect_lasttime,  in batadv_bla_loopdetect_check()
1793 	backbone_gw = batadv_bla_get_backbone_gw(bat_priv,  in batadv_bla_loopdetect_check()
1826 bool batadv_bla_rx(struct batadv_priv *bat_priv, struct sk_buff *skb,  in batadv_bla_rx()  argument
1838 	primary_if = batadv_primary_if_get_selected(bat_priv);  in batadv_bla_rx()
1842 	if (!atomic_read(&bat_priv->bridge_loop_avoidance))  in batadv_bla_rx()
1845 	if (batadv_bla_loopdetect_check(bat_priv, skb, primary_if, vid))  in batadv_bla_rx()
1848 	if (unlikely(atomic_read(&bat_priv->bla.num_requests)))  in batadv_bla_rx()
1855 	claim = batadv_claim_hash_find(bat_priv, &search_claim);  in batadv_bla_rx()
1862 		batadv_dbg(BATADV_DBG_BLA, bat_priv,  in batadv_bla_rx()
1865 			   batadv_is_my_client(bat_priv,  in batadv_bla_rx()
1868 		batadv_handle_claim(bat_priv, primary_if,  in batadv_bla_rx()
1900 		batadv_handle_claim(bat_priv, primary_if,  in batadv_bla_rx()
1906 	batadv_bla_update_own_backbone_gw(bat_priv, primary_if, vid);  in batadv_bla_rx()
1939 bool batadv_bla_tx(struct batadv_priv *bat_priv, struct sk_buff *skb,  in batadv_bla_tx()  argument
1949 	primary_if = batadv_primary_if_get_selected(bat_priv);  in batadv_bla_tx()
1953 	if (!atomic_read(&bat_priv->bridge_loop_avoidance))  in batadv_bla_tx()
1956 	if (batadv_bla_process_claim(bat_priv, primary_if, skb))  in batadv_bla_tx()
1961 	if (unlikely(atomic_read(&bat_priv->bla.num_requests)))  in batadv_bla_tx()
1969 	claim = batadv_claim_hash_find(bat_priv, &search_claim);  in batadv_bla_tx()
1990 			batadv_dbg(BATADV_DBG_BLA, bat_priv, "%s(): Roaming client %pM detected. Unclaim it.\n",  in batadv_bla_tx()
1992 			batadv_handle_unclaim(bat_priv, primary_if,  in batadv_bla_tx()
1997 			batadv_dbg(BATADV_DBG_BLA, bat_priv, "%s(): Race for claim %pM detected. Drop packet.\n",  in batadv_bla_tx()
2016 	batadv_bla_update_own_backbone_gw(bat_priv, primary_if, vid);  in batadv_bla_tx()
2040 	struct batadv_priv *bat_priv = netdev_priv(net_dev);  in batadv_bla_claim_table_seq_print_text()  local
2041 	struct batadv_hashtable *hash = bat_priv->bla.claim_hash;  in batadv_bla_claim_table_seq_print_text()
2059 		   ntohs(bat_priv->bla.claim_dest.group));  in batadv_bla_claim_table_seq_print_text()
2205 	struct batadv_priv *bat_priv;  in batadv_bla_claim_dump()  local
2223 	bat_priv = netdev_priv(soft_iface);  in batadv_bla_claim_dump()
2224 	hash = bat_priv->bla.claim_hash;  in batadv_bla_claim_dump()
2226 	primary_if = batadv_primary_if_get_selected(bat_priv);  in batadv_bla_claim_dump()
2269 	struct batadv_priv *bat_priv = netdev_priv(net_dev);  in batadv_bla_backbone_table_seq_print_text()  local
2270 	struct batadv_hashtable *hash = bat_priv->bla.backbone_hash;  in batadv_bla_backbone_table_seq_print_text()
2288 		   ntohs(bat_priv->bla.claim_dest.group));  in batadv_bla_backbone_table_seq_print_text()
2438 	struct batadv_priv *bat_priv;  in batadv_bla_backbone_dump()  local
2456 	bat_priv = netdev_priv(soft_iface);  in batadv_bla_backbone_dump()
2457 	hash = bat_priv->bla.backbone_hash;  in batadv_bla_backbone_dump()
2459 	primary_if = batadv_primary_if_get_selected(bat_priv);  in batadv_bla_backbone_dump()
2503 bool batadv_bla_check_claim(struct batadv_priv *bat_priv,  in batadv_bla_check_claim()  argument
2511 	if (!atomic_read(&bat_priv->bridge_loop_avoidance))  in batadv_bla_check_claim()
2514 	primary_if = batadv_primary_if_get_selected(bat_priv);  in batadv_bla_check_claim()
2522 	claim = batadv_claim_hash_find(bat_priv, &search_claim);  in batadv_bla_check_claim()