36 batadv_bla_send_announce(struct batadv_priv *bat_priv,
137 *batadv_claim_hash_find(struct batadv_priv *bat_priv,  in batadv_claim_hash_find()  argument
140 	struct batadv_hashtable *hash = bat_priv->bla.claim_hash;  in batadv_claim_hash_find()
177 batadv_backbone_hash_find(struct batadv_priv *bat_priv,  in batadv_backbone_hash_find()  argument
180 	struct batadv_hashtable *hash = bat_priv->bla.backbone_hash;  in batadv_backbone_hash_find()
223 	hash = backbone_gw->bat_priv->bla.claim_hash;  in batadv_bla_del_backbone_claims()
254 static void batadv_bla_send_claim(struct batadv_priv *bat_priv, uint8_t *mac,  in batadv_bla_send_claim()  argument
265 	primary_if = batadv_primary_if_get_selected(bat_priv);  in batadv_bla_send_claim()
269 	memcpy(&local_claim_dest, &bat_priv->bla.claim_dest,  in batadv_bla_send_claim()
304 		batadv_dbg(BATADV_DBG_BLA, bat_priv,  in batadv_bla_send_claim()
313 		batadv_dbg(BATADV_DBG_BLA, bat_priv,  in batadv_bla_send_claim()
322 		batadv_dbg(BATADV_DBG_BLA, bat_priv,  in batadv_bla_send_claim()
333 		batadv_dbg(BATADV_DBG_BLA, bat_priv,  in batadv_bla_send_claim()
346 	batadv_inc_counter(bat_priv, BATADV_CNT_RX);  in batadv_bla_send_claim()
347 	batadv_add_counter(bat_priv, BATADV_CNT_RX_BYTES,  in batadv_bla_send_claim()
368 batadv_bla_get_backbone_gw(struct batadv_priv *bat_priv, uint8_t *orig,  in batadv_bla_get_backbone_gw()  argument
375 	entry = batadv_backbone_hash_find(bat_priv, orig, vid);  in batadv_bla_get_backbone_gw()
380 	batadv_dbg(BATADV_DBG_BLA, bat_priv,  in batadv_bla_get_backbone_gw()
391 	entry->bat_priv = bat_priv;  in batadv_bla_get_backbone_gw()
399 	hash_added = batadv_hash_add(bat_priv->bla.backbone_hash,  in batadv_bla_get_backbone_gw()
411 	orig_node = batadv_orig_hash_find(bat_priv, orig);  in batadv_bla_get_backbone_gw()
413 		batadv_tt_global_del_orig(bat_priv, orig_node, vid,  in batadv_bla_get_backbone_gw()
419 		batadv_bla_send_announce(bat_priv, entry);  in batadv_bla_get_backbone_gw()
424 		atomic_inc(&bat_priv->bla.num_requests);  in batadv_bla_get_backbone_gw()
434 batadv_bla_update_own_backbone_gw(struct batadv_priv *bat_priv,  in batadv_bla_update_own_backbone_gw()  argument
440 	backbone_gw = batadv_bla_get_backbone_gw(bat_priv,  in batadv_bla_update_own_backbone_gw()
459 static void batadv_bla_answer_request(struct batadv_priv *bat_priv,  in batadv_bla_answer_request()  argument
469 	batadv_dbg(BATADV_DBG_BLA, bat_priv,  in batadv_bla_answer_request()
472 	backbone_gw = batadv_backbone_hash_find(bat_priv,  in batadv_bla_answer_request()
478 	hash = bat_priv->bla.claim_hash;  in batadv_bla_answer_request()
488 			batadv_bla_send_claim(bat_priv, claim->addr, claim->vid,  in batadv_bla_answer_request()
495 	batadv_bla_send_announce(bat_priv, backbone_gw);  in batadv_bla_answer_request()
512 	batadv_dbg(BATADV_DBG_BLA, backbone_gw->bat_priv,  in batadv_bla_send_request()
516 	batadv_bla_send_claim(backbone_gw->bat_priv, backbone_gw->orig,  in batadv_bla_send_request()
521 		atomic_inc(&backbone_gw->bat_priv->bla.num_requests);  in batadv_bla_send_request()
534 static void batadv_bla_send_announce(struct batadv_priv *bat_priv,  in batadv_bla_send_announce()  argument
544 	batadv_bla_send_claim(bat_priv, mac, backbone_gw->vid,  in batadv_bla_send_announce()
555 static void batadv_bla_add_claim(struct batadv_priv *bat_priv,  in batadv_bla_add_claim()  argument
565 	claim = batadv_claim_hash_find(bat_priv, &search_claim);  in batadv_bla_add_claim()
579 		batadv_dbg(BATADV_DBG_BLA, bat_priv,  in batadv_bla_add_claim()
582 		hash_added = batadv_hash_add(bat_priv->bla.claim_hash,  in batadv_bla_add_claim()
598 		batadv_dbg(BATADV_DBG_BLA, bat_priv,  in batadv_bla_add_claim()
619 static void batadv_bla_del_claim(struct batadv_priv *bat_priv,  in batadv_bla_del_claim()  argument
626 	claim = batadv_claim_hash_find(bat_priv, &search_claim);  in batadv_bla_del_claim()
630 	batadv_dbg(BATADV_DBG_BLA, bat_priv, "bla_del_claim(): %pM, vid %d\n",  in batadv_bla_del_claim()
633 	batadv_hash_remove(bat_priv->bla.claim_hash, batadv_compare_claim,  in batadv_bla_del_claim()
644 static int batadv_handle_announce(struct batadv_priv *bat_priv,  in batadv_handle_announce()  argument
654 	backbone_gw = batadv_bla_get_backbone_gw(bat_priv, backbone_addr, vid,  in batadv_handle_announce()
664 	batadv_dbg(BATADV_DBG_BLA, bat_priv,  in batadv_handle_announce()
669 		batadv_dbg(BATADV_DBG_BLA, backbone_gw->bat_priv,  in batadv_handle_announce()
681 			atomic_dec(&backbone_gw->bat_priv->bla.num_requests);  in batadv_handle_announce()
691 static int batadv_handle_request(struct batadv_priv *bat_priv,  in batadv_handle_request()  argument
706 	batadv_dbg(BATADV_DBG_BLA, bat_priv,  in batadv_handle_request()
710 	batadv_bla_answer_request(bat_priv, primary_if, vid);  in batadv_handle_request()
715 static int batadv_handle_unclaim(struct batadv_priv *bat_priv,  in batadv_handle_unclaim()  argument
725 		batadv_bla_send_claim(bat_priv, claim_addr, vid,  in batadv_handle_unclaim()
728 	backbone_gw = batadv_backbone_hash_find(bat_priv, backbone_addr, vid);  in batadv_handle_unclaim()
734 	batadv_dbg(BATADV_DBG_BLA, bat_priv,  in batadv_handle_unclaim()
738 	batadv_bla_del_claim(bat_priv, claim_addr, vid);  in batadv_handle_unclaim()
744 static int batadv_handle_claim(struct batadv_priv *bat_priv,  in batadv_handle_claim()  argument
753 	backbone_gw = batadv_bla_get_backbone_gw(bat_priv, backbone_addr, vid,  in batadv_handle_claim()
760 	batadv_bla_add_claim(bat_priv, claim_addr, vid, backbone_gw);  in batadv_handle_claim()
762 		batadv_bla_send_claim(bat_priv, claim_addr, vid,  in batadv_handle_claim()
788 static int batadv_check_claim_group(struct batadv_priv *bat_priv,  in batadv_check_claim_group()  argument
798 	bla_dst_own = &bat_priv->bla.claim_dest;  in batadv_check_claim_group()
825 	orig_node = batadv_orig_hash_find(bat_priv, backbone_addr);  in batadv_check_claim_group()
835 		batadv_dbg(BATADV_DBG_BLA, bat_priv,  in batadv_check_claim_group()
857 static int batadv_bla_process_claim(struct batadv_priv *bat_priv,  in batadv_bla_process_claim()  argument
925 	bla_dst_own = &bat_priv->bla.claim_dest;  in batadv_bla_process_claim()
940 	ret = batadv_check_claim_group(bat_priv, primary_if, hw_src, hw_dst,  in batadv_bla_process_claim()
943 		batadv_dbg(BATADV_DBG_BLA, bat_priv,  in batadv_bla_process_claim()
952 	batadv_bla_update_own_backbone_gw(bat_priv, primary_if, vid);  in batadv_bla_process_claim()
957 		if (batadv_handle_claim(bat_priv, primary_if, hw_src,  in batadv_bla_process_claim()
962 		if (batadv_handle_unclaim(bat_priv, primary_if,  in batadv_bla_process_claim()
968 		if (batadv_handle_announce(bat_priv, hw_src, ethhdr->h_source,  in batadv_bla_process_claim()
973 		if (batadv_handle_request(bat_priv, primary_if, hw_src, ethhdr,  in batadv_bla_process_claim()
979 	batadv_dbg(BATADV_DBG_BLA, bat_priv,  in batadv_bla_process_claim()
988 static void batadv_bla_purge_backbone_gw(struct batadv_priv *bat_priv, int now)  in batadv_bla_purge_backbone_gw()  argument
997 	hash = bat_priv->bla.backbone_hash;  in batadv_bla_purge_backbone_gw()
1014 			batadv_dbg(BATADV_DBG_BLA, backbone_gw->bat_priv,  in batadv_bla_purge_backbone_gw()
1021 				atomic_dec(&bat_priv->bla.num_requests);  in batadv_bla_purge_backbone_gw()
1041 static void batadv_bla_purge_claims(struct batadv_priv *bat_priv,  in batadv_bla_purge_claims()  argument
1050 	hash = bat_priv->bla.claim_hash;  in batadv_bla_purge_claims()
1068 			batadv_dbg(BATADV_DBG_BLA, bat_priv,  in batadv_bla_purge_claims()
1073 			batadv_handle_unclaim(bat_priv, primary_if,  in batadv_bla_purge_claims()
1089 void batadv_bla_update_orig_address(struct batadv_priv *bat_priv,  in batadv_bla_update_orig_address()  argument
1101 	bat_priv->bla.claim_dest.group = group;  in batadv_bla_update_orig_address()
1104 	if (!atomic_read(&bat_priv->bridge_loop_avoidance))  in batadv_bla_update_orig_address()
1108 		batadv_bla_purge_claims(bat_priv, NULL, 1);  in batadv_bla_update_orig_address()
1109 		batadv_bla_purge_backbone_gw(bat_priv, 1);  in batadv_bla_update_orig_address()
1113 	hash = bat_priv->bla.backbone_hash;  in batadv_bla_update_orig_address()
1132 			batadv_bla_send_announce(bat_priv, backbone_gw);  in batadv_bla_update_orig_address()
1145 	struct batadv_priv *bat_priv;  in batadv_bla_periodic_work()  local
1155 	bat_priv = container_of(priv_bla, struct batadv_priv, bla);  in batadv_bla_periodic_work()
1156 	primary_if = batadv_primary_if_get_selected(bat_priv);  in batadv_bla_periodic_work()
1160 	batadv_bla_purge_claims(bat_priv, primary_if, 0);  in batadv_bla_periodic_work()
1161 	batadv_bla_purge_backbone_gw(bat_priv, 0);  in batadv_bla_periodic_work()
1163 	if (!atomic_read(&bat_priv->bridge_loop_avoidance))  in batadv_bla_periodic_work()
1166 	hash = bat_priv->bla.backbone_hash;  in batadv_bla_periodic_work()
1181 			batadv_bla_send_announce(bat_priv, backbone_gw);  in batadv_bla_periodic_work()
1198 			atomic_dec(&backbone_gw->bat_priv->bla.num_requests);  in batadv_bla_periodic_work()
1207 	queue_delayed_work(batadv_event_workqueue, &bat_priv->bla.work,  in batadv_bla_periodic_work()
1220 int batadv_bla_init(struct batadv_priv *bat_priv)  in batadv_bla_init()  argument
1228 	spin_lock_init(&bat_priv->bla.bcast_duplist_lock);  in batadv_bla_init()
1230 	batadv_dbg(BATADV_DBG_BLA, bat_priv, "bla hash registering\n");  in batadv_bla_init()
1233 	memcpy(&bat_priv->bla.claim_dest.magic, claim_dest, 3);  in batadv_bla_init()
1234 	bat_priv->bla.claim_dest.type = 0;  in batadv_bla_init()
1235 	primary_if = batadv_primary_if_get_selected(bat_priv);  in batadv_bla_init()
1238 		bat_priv->bla.claim_dest.group = htons(crc);  in batadv_bla_init()
1241 		bat_priv->bla.claim_dest.group = 0; /* will be set later */  in batadv_bla_init()
1247 		bat_priv->bla.bcast_duplist[i].entrytime = entrytime;  in batadv_bla_init()
1248 	bat_priv->bla.bcast_duplist_curr = 0;  in batadv_bla_init()
1250 	if (bat_priv->bla.claim_hash)  in batadv_bla_init()
1253 	bat_priv->bla.claim_hash = batadv_hash_new(128);  in batadv_bla_init()
1254 	bat_priv->bla.backbone_hash = batadv_hash_new(32);  in batadv_bla_init()
1256 	if (!bat_priv->bla.claim_hash || !bat_priv->bla.backbone_hash)  in batadv_bla_init()
1259 	batadv_hash_set_lock_class(bat_priv->bla.claim_hash,  in batadv_bla_init()
1261 	batadv_hash_set_lock_class(bat_priv->bla.backbone_hash,  in batadv_bla_init()
1264 	batadv_dbg(BATADV_DBG_BLA, bat_priv, "bla hashes initialized\n");  in batadv_bla_init()
1266 	INIT_DELAYED_WORK(&bat_priv->bla.work, batadv_bla_periodic_work);  in batadv_bla_init()
1268 	queue_delayed_work(batadv_event_workqueue, &bat_priv->bla.work,  in batadv_bla_init()
1287 int batadv_bla_check_bcast_duplist(struct batadv_priv *bat_priv,  in batadv_bla_check_bcast_duplist()  argument
1300 	spin_lock_bh(&bat_priv->bla.bcast_duplist_lock);  in batadv_bla_check_bcast_duplist()
1303 		curr = (bat_priv->bla.bcast_duplist_curr + i);  in batadv_bla_check_bcast_duplist()
1305 		entry = &bat_priv->bla.bcast_duplist[curr];  in batadv_bla_check_bcast_duplist()
1329 	curr = (bat_priv->bla.bcast_duplist_curr + BATADV_DUPLIST_SIZE - 1);  in batadv_bla_check_bcast_duplist()
1331 	entry = &bat_priv->bla.bcast_duplist[curr];  in batadv_bla_check_bcast_duplist()
1335 	bat_priv->bla.bcast_duplist_curr = curr;  in batadv_bla_check_bcast_duplist()
1338 	spin_unlock_bh(&bat_priv->bla.bcast_duplist_lock);  in batadv_bla_check_bcast_duplist()
1353 bool batadv_bla_is_backbone_gw_orig(struct batadv_priv *bat_priv, uint8_t *orig,  in batadv_bla_is_backbone_gw_orig()  argument
1356 	struct batadv_hashtable *hash = bat_priv->bla.backbone_hash;  in batadv_bla_is_backbone_gw_orig()
1361 	if (!atomic_read(&bat_priv->bridge_loop_avoidance))  in batadv_bla_is_backbone_gw_orig()
1400 	if (!atomic_read(&orig_node->bat_priv->bridge_loop_avoidance))  in batadv_bla_is_backbone_gw()
1410 	backbone_gw = batadv_backbone_hash_find(orig_node->bat_priv,  in batadv_bla_is_backbone_gw()
1420 void batadv_bla_free(struct batadv_priv *bat_priv)  in batadv_bla_free()  argument
1424 	cancel_delayed_work_sync(&bat_priv->bla.work);  in batadv_bla_free()
1425 	primary_if = batadv_primary_if_get_selected(bat_priv);  in batadv_bla_free()
1427 	if (bat_priv->bla.claim_hash) {  in batadv_bla_free()
1428 		batadv_bla_purge_claims(bat_priv, primary_if, 1);  in batadv_bla_free()
1429 		batadv_hash_destroy(bat_priv->bla.claim_hash);  in batadv_bla_free()
1430 		bat_priv->bla.claim_hash = NULL;  in batadv_bla_free()
1432 	if (bat_priv->bla.backbone_hash) {  in batadv_bla_free()
1433 		batadv_bla_purge_backbone_gw(bat_priv, 1);  in batadv_bla_free()
1434 		batadv_hash_destroy(bat_priv->bla.backbone_hash);  in batadv_bla_free()
1435 		bat_priv->bla.backbone_hash = NULL;  in batadv_bla_free()
1456 int batadv_bla_rx(struct batadv_priv *bat_priv, struct sk_buff *skb,  in batadv_bla_rx()  argument
1466 	primary_if = batadv_primary_if_get_selected(bat_priv);  in batadv_bla_rx()
1470 	if (!atomic_read(&bat_priv->bridge_loop_avoidance))  in batadv_bla_rx()
1473 	if (unlikely(atomic_read(&bat_priv->bla.num_requests)))  in batadv_bla_rx()
1480 	claim = batadv_claim_hash_find(bat_priv, &search_claim);  in batadv_bla_rx()
1486 		batadv_handle_claim(bat_priv, primary_if,  in batadv_bla_rx()
1514 		batadv_handle_claim(bat_priv, primary_if,  in batadv_bla_rx()
1520 	batadv_bla_update_own_backbone_gw(bat_priv, primary_if, vid);  in batadv_bla_rx()
1552 int batadv_bla_tx(struct batadv_priv *bat_priv, struct sk_buff *skb,  in batadv_bla_tx()  argument
1560 	primary_if = batadv_primary_if_get_selected(bat_priv);  in batadv_bla_tx()
1564 	if (!atomic_read(&bat_priv->bridge_loop_avoidance))  in batadv_bla_tx()
1567 	if (batadv_bla_process_claim(bat_priv, primary_if, skb))  in batadv_bla_tx()
1572 	if (unlikely(atomic_read(&bat_priv->bla.num_requests)))  in batadv_bla_tx()
1580 	claim = batadv_claim_hash_find(bat_priv, &search_claim);  in batadv_bla_tx()
1592 		batadv_handle_unclaim(bat_priv, primary_if,  in batadv_bla_tx()
1611 	batadv_bla_update_own_backbone_gw(bat_priv, primary_if, vid);  in batadv_bla_tx()
1627 	struct batadv_priv *bat_priv = netdev_priv(net_dev);  in batadv_bla_claim_table_seq_print_text()  local
1628 	struct batadv_hashtable *hash = bat_priv->bla.claim_hash;  in batadv_bla_claim_table_seq_print_text()
1644 		   ntohs(bat_priv->bla.claim_dest.group));  in batadv_bla_claim_table_seq_print_text()
1671 	struct batadv_priv *bat_priv = netdev_priv(net_dev);  in batadv_bla_backbone_table_seq_print_text()  local
1672 	struct batadv_hashtable *hash = bat_priv->bla.backbone_hash;  in batadv_bla_backbone_table_seq_print_text()
1689 		   ntohs(bat_priv->bla.claim_dest.group));  in batadv_bla_backbone_table_seq_print_text()