238 	struct batadv_nc_path *nc_path;  in batadv_nc_path_release()  local
240 	nc_path = container_of(ref, struct batadv_nc_path, refcount);  in batadv_nc_path_release()
242 	kfree_rcu(nc_path, rcu);  in batadv_nc_path_release()
250 static void batadv_nc_path_put(struct batadv_nc_path *nc_path)  in batadv_nc_path_put()  argument
252 	if (!nc_path)  in batadv_nc_path_put()
255 	kref_put(&nc_path->refcount, batadv_nc_path_release);  in batadv_nc_path_put()
271 	batadv_nc_path_put(nc_packet->nc_path);  in batadv_nc_packet_free()
299 					      struct batadv_nc_path *nc_path)  in batadv_nc_to_purge_nc_path_coding()  argument
307 	return batadv_has_timed_out(nc_path->last_valid,  in batadv_nc_to_purge_nc_path_coding()
320 						struct batadv_nc_path *nc_path)  in batadv_nc_to_purge_nc_path_decoding()  argument
328 	return batadv_has_timed_out(nc_path->last_valid,  in batadv_nc_to_purge_nc_path_decoding()
440 	struct batadv_nc_path *nc_path;  in batadv_nc_purge_paths()  local
450 		hlist_for_each_entry_safe(nc_path, node_tmp, head, hash_entry) {  in batadv_nc_purge_paths()
454 			if (to_purge && !to_purge(bat_priv, nc_path))  in batadv_nc_purge_paths()
462 			if (!unlikely(list_empty(&nc_path->packet_list))) {  in batadv_nc_purge_paths()
466 							 nc_path->prev_hop,  in batadv_nc_purge_paths()
467 							 nc_path->next_hop);  in batadv_nc_purge_paths()
474 				   nc_path->prev_hop, nc_path->next_hop);  in batadv_nc_purge_paths()
475 			hlist_del_rcu(&nc_path->hash_entry);  in batadv_nc_purge_paths()
476 			batadv_nc_path_put(nc_path);  in batadv_nc_purge_paths()
504 	const struct batadv_nc_path *nc_path = data;  in batadv_nc_hash_choose()  local
507 	hash = jhash(&nc_path->prev_hop, sizeof(nc_path->prev_hop), hash);  in batadv_nc_hash_choose()
508 	hash = jhash(&nc_path->next_hop, sizeof(nc_path->next_hop), hash);  in batadv_nc_hash_choose()
551 	struct batadv_nc_path *nc_path, *nc_path_tmp = NULL;  in batadv_nc_hash_find()  local
561 	hlist_for_each_entry_rcu(nc_path, head, hash_entry) {  in batadv_nc_hash_find()
562 		if (!batadv_nc_hash_compare(&nc_path->hash_entry, data))  in batadv_nc_hash_find()
565 		if (!kref_get_unless_zero(&nc_path->refcount))  in batadv_nc_hash_find()
568 		nc_path_tmp = nc_path;  in batadv_nc_hash_find()
601 				    struct batadv_nc_path *nc_path,  in batadv_nc_sniffed_purge()  argument
607 	lockdep_assert_held(&nc_path->packet_list_lock);  in batadv_nc_sniffed_purge()
640 				struct batadv_nc_path *nc_path,  in batadv_nc_fwd_flush()  argument
645 	lockdep_assert_held(&nc_path->packet_list_lock);  in batadv_nc_fwd_flush()
682 	struct batadv_nc_path *nc_path;  in batadv_nc_process_nc_paths()  local
695 		hlist_for_each_entry_rcu(nc_path, head, hash_entry) {  in batadv_nc_process_nc_paths()
697 			spin_lock_bh(&nc_path->packet_list_lock);  in batadv_nc_process_nc_paths()
699 						 &nc_path->packet_list, list) {  in batadv_nc_process_nc_paths()
700 				ret = process_fn(bat_priv, nc_path, nc_packet);  in batadv_nc_process_nc_paths()
704 			spin_unlock_bh(&nc_path->packet_list_lock);  in batadv_nc_process_nc_paths()
966 	struct batadv_nc_path *nc_path, nc_path_key;  in batadv_nc_get_path()  local
971 	nc_path = batadv_nc_hash_find(hash, (void *)&nc_path_key);  in batadv_nc_get_path()
973 	if (nc_path) {  in batadv_nc_get_path()
975 		nc_path->last_valid = jiffies;  in batadv_nc_get_path()
976 		return nc_path;  in batadv_nc_get_path()
980 	nc_path = kzalloc(sizeof(*nc_path), GFP_ATOMIC);  in batadv_nc_get_path()
982 	if (!nc_path)  in batadv_nc_get_path()
986 	INIT_LIST_HEAD(&nc_path->packet_list);  in batadv_nc_get_path()
987 	spin_lock_init(&nc_path->packet_list_lock);  in batadv_nc_get_path()
988 	kref_init(&nc_path->refcount);  in batadv_nc_get_path()
989 	nc_path->last_valid = jiffies;  in batadv_nc_get_path()
990 	ether_addr_copy(nc_path->next_hop, dst);  in batadv_nc_get_path()
991 	ether_addr_copy(nc_path->prev_hop, src);  in batadv_nc_get_path()
994 		   nc_path->prev_hop,  in batadv_nc_get_path()
995 		   nc_path->next_hop);  in batadv_nc_get_path()
998 	kref_get(&nc_path->refcount);  in batadv_nc_get_path()
1001 				     &nc_path->hash_entry);  in batadv_nc_get_path()
1004 		kfree(nc_path);  in batadv_nc_get_path()
1008 	return nc_path;  in batadv_nc_get_path()
1111 		first_source = nc_packet->nc_path->prev_hop;  in batadv_nc_code_packets()
1124 		second_source = nc_packet->nc_path->prev_hop;  in batadv_nc_code_packets()
1276 	struct batadv_nc_path *nc_path, nc_path_key;  in batadv_nc_path_search()  local
1292 	hlist_for_each_entry_rcu(nc_path, &hash->table[idx], hash_entry) {  in batadv_nc_path_search()
1293 		if (!batadv_compare_eth(nc_path->prev_hop, in_nc_node->addr))  in batadv_nc_path_search()
1296 		if (!batadv_compare_eth(nc_path->next_hop, out_nc_node->addr))  in batadv_nc_path_search()
1299 		spin_lock_bh(&nc_path->packet_list_lock);  in batadv_nc_path_search()
1300 		if (list_empty(&nc_path->packet_list)) {  in batadv_nc_path_search()
1301 			spin_unlock_bh(&nc_path->packet_list_lock);  in batadv_nc_path_search()
1306 					 &nc_path->packet_list, list) {  in batadv_nc_path_search()
1318 		spin_unlock_bh(&nc_path->packet_list_lock);  in batadv_nc_path_search()
1475 				      struct batadv_nc_path *nc_path,  in batadv_nc_skb_add_to_path()  argument
1490 	nc_packet->nc_path = nc_path;  in batadv_nc_skb_add_to_path()
1493 	spin_lock_bh(&nc_path->packet_list_lock);  in batadv_nc_skb_add_to_path()
1494 	list_add_tail(&nc_packet->list, &nc_path->packet_list);  in batadv_nc_skb_add_to_path()
1495 	spin_unlock_bh(&nc_path->packet_list_lock);  in batadv_nc_skb_add_to_path()
1514 	struct batadv_nc_path *nc_path;  in batadv_nc_skb_forward()  local
1534 	nc_path = batadv_nc_get_path(bat_priv,  in batadv_nc_skb_forward()
1539 	if (!nc_path)  in batadv_nc_skb_forward()
1544 	if (!batadv_nc_skb_add_to_path(skb, nc_path, neigh_node, packet_id))  in batadv_nc_skb_forward()
1551 	batadv_nc_path_put(nc_path);  in batadv_nc_skb_forward()
1567 	struct batadv_nc_path *nc_path;  in batadv_nc_skb_store_for_decoding()  local
1583 	nc_path = batadv_nc_get_path(bat_priv,  in batadv_nc_skb_store_for_decoding()
1588 	if (!nc_path)  in batadv_nc_skb_store_for_decoding()
1604 	if (!batadv_nc_skb_add_to_path(skb, nc_path, NULL, packet_id))  in batadv_nc_skb_store_for_decoding()
1613 	batadv_nc_path_put(nc_path);  in batadv_nc_skb_store_for_decoding()
1748 	struct batadv_nc_path *nc_path, nc_path_key;  in batadv_nc_find_decoding_packet()  local
1771 	hlist_for_each_entry_rcu(nc_path, &hash->table[index], hash_entry) {  in batadv_nc_find_decoding_packet()
1773 		spin_lock_bh(&nc_path->packet_list_lock);  in batadv_nc_find_decoding_packet()
1775 				    &nc_path->packet_list, list) {  in batadv_nc_find_decoding_packet()
1783 		spin_unlock_bh(&nc_path->packet_list_lock);  in batadv_nc_find_decoding_packet()