231 	struct batadv_nc_path *nc_path;  in batadv_nc_path_release()  local
233 	nc_path = container_of(ref, struct batadv_nc_path, refcount);  in batadv_nc_path_release()
235 	kfree_rcu(nc_path, rcu);  in batadv_nc_path_release()
243 static void batadv_nc_path_put(struct batadv_nc_path *nc_path)  in batadv_nc_path_put()  argument
245 	if (!nc_path)  in batadv_nc_path_put()
248 	kref_put(&nc_path->refcount, batadv_nc_path_release);  in batadv_nc_path_put()
264 	batadv_nc_path_put(nc_packet->nc_path);  in batadv_nc_packet_free()
292 					      struct batadv_nc_path *nc_path)  in batadv_nc_to_purge_nc_path_coding()  argument
300 	return batadv_has_timed_out(nc_path->last_valid,  in batadv_nc_to_purge_nc_path_coding()
313 						struct batadv_nc_path *nc_path)  in batadv_nc_to_purge_nc_path_decoding()  argument
321 	return batadv_has_timed_out(nc_path->last_valid,  in batadv_nc_to_purge_nc_path_decoding()
433 	struct batadv_nc_path *nc_path;  in batadv_nc_purge_paths()  local
443 		hlist_for_each_entry_safe(nc_path, node_tmp, head, hash_entry) {  in batadv_nc_purge_paths()
447 			if (to_purge && !to_purge(bat_priv, nc_path))  in batadv_nc_purge_paths()
455 			if (!unlikely(list_empty(&nc_path->packet_list))) {  in batadv_nc_purge_paths()
459 							 nc_path->prev_hop,  in batadv_nc_purge_paths()
460 							 nc_path->next_hop);  in batadv_nc_purge_paths()
467 				   nc_path->prev_hop, nc_path->next_hop);  in batadv_nc_purge_paths()
468 			hlist_del_rcu(&nc_path->hash_entry);  in batadv_nc_purge_paths()
469 			batadv_nc_path_put(nc_path);  in batadv_nc_purge_paths()
497 	const struct batadv_nc_path *nc_path = data;  in batadv_nc_hash_choose()  local
500 	hash = jhash(&nc_path->prev_hop, sizeof(nc_path->prev_hop), hash);  in batadv_nc_hash_choose()
501 	hash = jhash(&nc_path->next_hop, sizeof(nc_path->next_hop), hash);  in batadv_nc_hash_choose()
544 	struct batadv_nc_path *nc_path, *nc_path_tmp = NULL;  in batadv_nc_hash_find()  local
554 	hlist_for_each_entry_rcu(nc_path, head, hash_entry) {  in batadv_nc_hash_find()
555 		if (!batadv_nc_hash_compare(&nc_path->hash_entry, data))  in batadv_nc_hash_find()
558 		if (!kref_get_unless_zero(&nc_path->refcount))  in batadv_nc_hash_find()
561 		nc_path_tmp = nc_path;  in batadv_nc_hash_find()
594 				    struct batadv_nc_path *nc_path,  in batadv_nc_sniffed_purge()  argument
600 	lockdep_assert_held(&nc_path->packet_list_lock);  in batadv_nc_sniffed_purge()
633 				struct batadv_nc_path *nc_path,  in batadv_nc_fwd_flush()  argument
638 	lockdep_assert_held(&nc_path->packet_list_lock);  in batadv_nc_fwd_flush()
675 	struct batadv_nc_path *nc_path;  in batadv_nc_process_nc_paths()  local
688 		hlist_for_each_entry_rcu(nc_path, head, hash_entry) {  in batadv_nc_process_nc_paths()
690 			spin_lock_bh(&nc_path->packet_list_lock);  in batadv_nc_process_nc_paths()
692 						 &nc_path->packet_list, list) {  in batadv_nc_process_nc_paths()
693 				ret = process_fn(bat_priv, nc_path, nc_packet);  in batadv_nc_process_nc_paths()
697 			spin_unlock_bh(&nc_path->packet_list_lock);  in batadv_nc_process_nc_paths()
957 	struct batadv_nc_path *nc_path, nc_path_key;  in batadv_nc_get_path()  local
962 	nc_path = batadv_nc_hash_find(hash, (void *)&nc_path_key);  in batadv_nc_get_path()
964 	if (nc_path) {  in batadv_nc_get_path()
966 		nc_path->last_valid = jiffies;  in batadv_nc_get_path()
967 		return nc_path;  in batadv_nc_get_path()
971 	nc_path = kzalloc(sizeof(*nc_path), GFP_ATOMIC);  in batadv_nc_get_path()
973 	if (!nc_path)  in batadv_nc_get_path()
977 	INIT_LIST_HEAD(&nc_path->packet_list);  in batadv_nc_get_path()
978 	spin_lock_init(&nc_path->packet_list_lock);  in batadv_nc_get_path()
979 	kref_init(&nc_path->refcount);  in batadv_nc_get_path()
980 	nc_path->last_valid = jiffies;  in batadv_nc_get_path()
981 	ether_addr_copy(nc_path->next_hop, dst);  in batadv_nc_get_path()
982 	ether_addr_copy(nc_path->prev_hop, src);  in batadv_nc_get_path()
985 		   nc_path->prev_hop,  in batadv_nc_get_path()
986 		   nc_path->next_hop);  in batadv_nc_get_path()
989 	kref_get(&nc_path->refcount);  in batadv_nc_get_path()
992 				     &nc_path->hash_entry);  in batadv_nc_get_path()
995 		kfree(nc_path);  in batadv_nc_get_path()
999 	return nc_path;  in batadv_nc_get_path()
1102 		first_source = nc_packet->nc_path->prev_hop;  in batadv_nc_code_packets()
1115 		second_source = nc_packet->nc_path->prev_hop;  in batadv_nc_code_packets()
1263 	struct batadv_nc_path *nc_path, nc_path_key;  in batadv_nc_path_search()  local
1279 	hlist_for_each_entry_rcu(nc_path, &hash->table[idx], hash_entry) {  in batadv_nc_path_search()
1280 		if (!batadv_compare_eth(nc_path->prev_hop, in_nc_node->addr))  in batadv_nc_path_search()
1283 		if (!batadv_compare_eth(nc_path->next_hop, out_nc_node->addr))  in batadv_nc_path_search()
1286 		spin_lock_bh(&nc_path->packet_list_lock);  in batadv_nc_path_search()
1287 		if (list_empty(&nc_path->packet_list)) {  in batadv_nc_path_search()
1288 			spin_unlock_bh(&nc_path->packet_list_lock);  in batadv_nc_path_search()
1293 					 &nc_path->packet_list, list) {  in batadv_nc_path_search()
1305 		spin_unlock_bh(&nc_path->packet_list_lock);  in batadv_nc_path_search()
1462 				      struct batadv_nc_path *nc_path,  in batadv_nc_skb_add_to_path()  argument
1477 	nc_packet->nc_path = nc_path;  in batadv_nc_skb_add_to_path()
1480 	spin_lock_bh(&nc_path->packet_list_lock);  in batadv_nc_skb_add_to_path()
1481 	list_add_tail(&nc_packet->list, &nc_path->packet_list);  in batadv_nc_skb_add_to_path()
1482 	spin_unlock_bh(&nc_path->packet_list_lock);  in batadv_nc_skb_add_to_path()
1501 	struct batadv_nc_path *nc_path;  in batadv_nc_skb_forward()  local
1521 	nc_path = batadv_nc_get_path(bat_priv,  in batadv_nc_skb_forward()
1526 	if (!nc_path)  in batadv_nc_skb_forward()
1531 	if (!batadv_nc_skb_add_to_path(skb, nc_path, neigh_node, packet_id))  in batadv_nc_skb_forward()
1538 	batadv_nc_path_put(nc_path);  in batadv_nc_skb_forward()
1554 	struct batadv_nc_path *nc_path;  in batadv_nc_skb_store_for_decoding()  local
1570 	nc_path = batadv_nc_get_path(bat_priv,  in batadv_nc_skb_store_for_decoding()
1575 	if (!nc_path)  in batadv_nc_skb_store_for_decoding()
1591 	if (!batadv_nc_skb_add_to_path(skb, nc_path, NULL, packet_id))  in batadv_nc_skb_store_for_decoding()
1600 	batadv_nc_path_put(nc_path);  in batadv_nc_skb_store_for_decoding()
1735 	struct batadv_nc_path *nc_path, nc_path_key;  in batadv_nc_find_decoding_packet()  local
1758 	hlist_for_each_entry_rcu(nc_path, &hash->table[index], hash_entry) {  in batadv_nc_find_decoding_packet()
1760 		spin_lock_bh(&nc_path->packet_list_lock);  in batadv_nc_find_decoding_packet()
1762 				    &nc_path->packet_list, list) {  in batadv_nc_find_decoding_packet()
1770 		spin_unlock_bh(&nc_path->packet_list_lock);  in batadv_nc_find_decoding_packet()