1 // SPDX-License-Identifier: GPL-2.0
34 #include "distributed-arp-table.h"
37 #include "hard-interface.h"
42 #include "network-coding.h"
44 #include "soft-interface.h"
45 #include "translation-table.h"
51  * batadv_orig_hash_find() - Find and return originator from orig_hash
52  * @bat_priv: the bat priv with all the soft interface information
60 	struct batadv_hashtable *hash = bat_priv->orig_hash;  in batadv_orig_hash_find()
68 	index = batadv_choose_orig(data, hash->size);  in batadv_orig_hash_find()
69 	head = &hash->table[index];  in batadv_orig_hash_find()
76 		if (!kref_get_unless_zero(&orig_node->refcount))  in batadv_orig_hash_find()
90  * batadv_compare_orig() - comparing function used in the originator hash table
91  * @node: node in the local table
92  * @data2: second object to compare the node to
96 bool batadv_compare_orig(const struct hlist_node *node, const void *data2)  in batadv_compare_orig()  argument
98 	const void *data1 = container_of(node, struct batadv_orig_node,  in batadv_compare_orig()
105  * batadv_orig_node_vlan_get() - get an orig_node_vlan object
119 	hlist_for_each_entry_rcu(tmp, &orig_node->vlan_list, list) {  in batadv_orig_node_vlan_get()
120 		if (tmp->vid != vid)  in batadv_orig_node_vlan_get()
123 		if (!kref_get_unless_zero(&tmp->refcount))  in batadv_orig_node_vlan_get()
136  * batadv_vlan_id_valid() - check if vlan id is in valid batman-adv encoding
159  * batadv_orig_node_vlan_new() - search and possibly create an orig_node_vlan
179 	spin_lock_bh(&orig_node->vlan_list_lock);  in batadv_orig_node_vlan_new()
190 	kref_init(&vlan->refcount);  in batadv_orig_node_vlan_new()
191 	vlan->vid = vid;  in batadv_orig_node_vlan_new()
193 	kref_get(&vlan->refcount);  in batadv_orig_node_vlan_new()
194 	hlist_add_head_rcu(&vlan->list, &orig_node->vlan_list);  in batadv_orig_node_vlan_new()
197 	spin_unlock_bh(&orig_node->vlan_list_lock);  in batadv_orig_node_vlan_new()
203  * batadv_orig_node_vlan_release() - release originator-vlan object from lists
205  * @ref: kref pointer of the originator-vlan object
217  * batadv_originator_init() - Initialize all originator structures
218  * @bat_priv: the bat priv with all the soft interface information
224 	if (bat_priv->orig_hash)  in batadv_originator_init()
227 	bat_priv->orig_hash = batadv_hash_new(1024);  in batadv_originator_init()
229 	if (!bat_priv->orig_hash)  in batadv_originator_init()
232 	batadv_hash_set_lock_class(bat_priv->orig_hash,  in batadv_originator_init()
235 	INIT_DELAYED_WORK(&bat_priv->orig_work, batadv_purge_orig);  in batadv_originator_init()
237 			   &bat_priv->orig_work,  in batadv_originator_init()
243 	return -ENOMEM;  in batadv_originator_init()
247  * batadv_neigh_ifinfo_release() - release neigh_ifinfo from lists and queue for
257 	if (neigh_ifinfo->if_outgoing != BATADV_IF_DEFAULT)  in batadv_neigh_ifinfo_release()
258 		batadv_hardif_put(neigh_ifinfo->if_outgoing);  in batadv_neigh_ifinfo_release()
264  * batadv_hardif_neigh_release() - release hardif neigh node from lists and
275 	spin_lock_bh(&hardif_neigh->if_incoming->neigh_list_lock);  in batadv_hardif_neigh_release()
276 	hlist_del_init_rcu(&hardif_neigh->list);  in batadv_hardif_neigh_release()
277 	spin_unlock_bh(&hardif_neigh->if_incoming->neigh_list_lock);  in batadv_hardif_neigh_release()
279 	batadv_hardif_put(hardif_neigh->if_incoming);  in batadv_hardif_neigh_release()
284  * batadv_neigh_node_release() - release neigh_node from lists and queue for
297 				  &neigh_node->ifinfo_list, list) {  in batadv_neigh_node_release()
301 	batadv_hardif_neigh_put(neigh_node->hardif_neigh);  in batadv_neigh_node_release()
303 	batadv_hardif_put(neigh_node->if_incoming);  in batadv_neigh_node_release()
309  * batadv_orig_router_get() - router to the originator depending on iface
310  * @orig_node: the orig node for the router
311  * @if_outgoing: the interface where the payload packet has been received or
326 	hlist_for_each_entry_rcu(orig_ifinfo, &orig_node->ifinfo_list, list) {  in batadv_orig_router_get()
327 		if (orig_ifinfo->if_outgoing != if_outgoing)  in batadv_orig_router_get()
330 		router = rcu_dereference(orig_ifinfo->router);  in batadv_orig_router_get()
334 	if (router && !kref_get_unless_zero(&router->refcount))  in batadv_orig_router_get()
342  * batadv_orig_ifinfo_get() - find the ifinfo from an orig_node
343  * @orig_node: the orig node to be queried
344  * @if_outgoing: the interface for which the ifinfo should be acquired
357 	hlist_for_each_entry_rcu(tmp, &orig_node->ifinfo_list,  in batadv_orig_ifinfo_get()
359 		if (tmp->if_outgoing != if_outgoing)  in batadv_orig_ifinfo_get()
362 		if (!kref_get_unless_zero(&tmp->refcount))  in batadv_orig_ifinfo_get()
374  * batadv_orig_ifinfo_new() - search and possibly create an orig_ifinfo object
375  * @orig_node: the orig node to be queried
376  * @if_outgoing: the interface for which the ifinfo should be acquired
379  * interface otherwise. The object is created and added to the list
391 	spin_lock_bh(&orig_node->neigh_list_lock);  in batadv_orig_ifinfo_new()
402 		kref_get(&if_outgoing->refcount);  in batadv_orig_ifinfo_new()
404 	reset_time = jiffies - 1;  in batadv_orig_ifinfo_new()
405 	reset_time -= msecs_to_jiffies(BATADV_RESET_PROTECTION_MS);  in batadv_orig_ifinfo_new()
406 	orig_ifinfo->batman_seqno_reset = reset_time;  in batadv_orig_ifinfo_new()
407 	orig_ifinfo->if_outgoing = if_outgoing;  in batadv_orig_ifinfo_new()
408 	INIT_HLIST_NODE(&orig_ifinfo->list);  in batadv_orig_ifinfo_new()
409 	kref_init(&orig_ifinfo->refcount);  in batadv_orig_ifinfo_new()
411 	kref_get(&orig_ifinfo->refcount);  in batadv_orig_ifinfo_new()
412 	hlist_add_head_rcu(&orig_ifinfo->list,  in batadv_orig_ifinfo_new()
413 			   &orig_node->ifinfo_list);  in batadv_orig_ifinfo_new()
415 	spin_unlock_bh(&orig_node->neigh_list_lock);  in batadv_orig_ifinfo_new()
420  * batadv_neigh_ifinfo_get() - find the ifinfo from an neigh_node
421  * @neigh: the neigh node to be queried
422  * @if_outgoing: the interface for which the ifinfo should be acquired
436 	hlist_for_each_entry_rcu(tmp_neigh_ifinfo, &neigh->ifinfo_list,  in batadv_neigh_ifinfo_get()
438 		if (tmp_neigh_ifinfo->if_outgoing != if_outgoing)  in batadv_neigh_ifinfo_get()
441 		if (!kref_get_unless_zero(&tmp_neigh_ifinfo->refcount))  in batadv_neigh_ifinfo_get()
453  * batadv_neigh_ifinfo_new() - search and possibly create an neigh_ifinfo object
454  * @neigh: the neigh node to be queried
455  * @if_outgoing: the interface for which the ifinfo should be acquired
458  * if_outgoing interface otherwise. The object is created and added to the list
469 	spin_lock_bh(&neigh->ifinfo_lock);  in batadv_neigh_ifinfo_new()
480 		kref_get(&if_outgoing->refcount);  in batadv_neigh_ifinfo_new()
482 	INIT_HLIST_NODE(&neigh_ifinfo->list);  in batadv_neigh_ifinfo_new()
483 	kref_init(&neigh_ifinfo->refcount);  in batadv_neigh_ifinfo_new()
484 	neigh_ifinfo->if_outgoing = if_outgoing;  in batadv_neigh_ifinfo_new()
486 	kref_get(&neigh_ifinfo->refcount);  in batadv_neigh_ifinfo_new()
487 	hlist_add_head_rcu(&neigh_ifinfo->list, &neigh->ifinfo_list);  in batadv_neigh_ifinfo_new()
490 	spin_unlock_bh(&neigh->ifinfo_lock);  in batadv_neigh_ifinfo_new()
496  * batadv_neigh_node_get() - retrieve a neighbour from the list
498  * @hard_iface: the interface where this neighbour is connected to
502  * which is connected through the provided hard interface.
514 	hlist_for_each_entry_rcu(tmp_neigh_node, &orig_node->neigh_list, list) {  in batadv_neigh_node_get()
515 		if (!batadv_compare_eth(tmp_neigh_node->addr, addr))  in batadv_neigh_node_get()
518 		if (tmp_neigh_node->if_incoming != hard_iface)  in batadv_neigh_node_get()
521 		if (!kref_get_unless_zero(&tmp_neigh_node->refcount))  in batadv_neigh_node_get()
533  * batadv_hardif_neigh_create() - create a hardif neighbour node
534  * @hard_iface: the interface this neighbour is connected to
535  * @neigh_addr: the interface address of the neighbour to retrieve
538  * Return: the hardif neighbour node if found or created or NULL otherwise.
545 	struct batadv_priv *bat_priv = netdev_priv(hard_iface->soft_iface);  in batadv_hardif_neigh_create()
548 	spin_lock_bh(&hard_iface->neigh_list_lock);  in batadv_hardif_neigh_create()
559 	kref_get(&hard_iface->refcount);  in batadv_hardif_neigh_create()
560 	INIT_HLIST_NODE(&hardif_neigh->list);  in batadv_hardif_neigh_create()
561 	ether_addr_copy(hardif_neigh->addr, neigh_addr);  in batadv_hardif_neigh_create()
562 	ether_addr_copy(hardif_neigh->orig, orig_node->orig);  in batadv_hardif_neigh_create()
563 	hardif_neigh->if_incoming = hard_iface;  in batadv_hardif_neigh_create()
564 	hardif_neigh->last_seen = jiffies;  in batadv_hardif_neigh_create()
566 	kref_init(&hardif_neigh->refcount);  in batadv_hardif_neigh_create()
568 	if (bat_priv->algo_ops->neigh.hardif_init)  in batadv_hardif_neigh_create()
569 		bat_priv->algo_ops->neigh.hardif_init(hardif_neigh);  in batadv_hardif_neigh_create()
571 	hlist_add_head_rcu(&hardif_neigh->list, &hard_iface->neigh_list);  in batadv_hardif_neigh_create()
574 	spin_unlock_bh(&hard_iface->neigh_list_lock);  in batadv_hardif_neigh_create()
579  * batadv_hardif_neigh_get_or_create() - retrieve or create a hardif neighbour
580  *  node
581  * @hard_iface: the interface this neighbour is connected to
582  * @neigh_addr: the interface address of the neighbour to retrieve
585  * Return: the hardif neighbour node if found or created or NULL otherwise.
603  * batadv_hardif_neigh_get() - retrieve a hardif neighbour from the list
604  * @hard_iface: the interface where this neighbour is connected to
607  * Looks for and possibly returns a neighbour belonging to this hard interface.
619 				 &hard_iface->neigh_list, list) {  in batadv_hardif_neigh_get()
620 		if (!batadv_compare_eth(tmp_hardif_neigh->addr, neigh_addr))  in batadv_hardif_neigh_get()
623 		if (!kref_get_unless_zero(&tmp_hardif_neigh->refcount))  in batadv_hardif_neigh_get()
635  * batadv_neigh_node_create() - create a neigh node object
637  * @hard_iface: the interface where the neighbour is connected to
638  * @neigh_addr: the mac address of the neighbour interface
642  * Return: the neighbour node if found or created or NULL otherwise.
652 	spin_lock_bh(&orig_node->neigh_list_lock);  in batadv_neigh_node_create()
667 	INIT_HLIST_NODE(&neigh_node->list);  in batadv_neigh_node_create()
668 	INIT_HLIST_HEAD(&neigh_node->ifinfo_list);  in batadv_neigh_node_create()
669 	spin_lock_init(&neigh_node->ifinfo_lock);  in batadv_neigh_node_create()
671 	kref_get(&hard_iface->refcount);  in batadv_neigh_node_create()
672 	ether_addr_copy(neigh_node->addr, neigh_addr);  in batadv_neigh_node_create()
673 	neigh_node->if_incoming = hard_iface;  in batadv_neigh_node_create()
674 	neigh_node->orig_node = orig_node;  in batadv_neigh_node_create()
675 	neigh_node->last_seen = jiffies;  in batadv_neigh_node_create()
678 	kref_get(&hardif_neigh->refcount);  in batadv_neigh_node_create()
679 	neigh_node->hardif_neigh = hardif_neigh;  in batadv_neigh_node_create()
682 	kref_init(&neigh_node->refcount);  in batadv_neigh_node_create()
684 	kref_get(&neigh_node->refcount);  in batadv_neigh_node_create()
685 	hlist_add_head_rcu(&neigh_node->list, &orig_node->neigh_list);  in batadv_neigh_node_create()
687 	batadv_dbg(BATADV_DBG_BATMAN, orig_node->bat_priv,  in batadv_neigh_node_create()
688 		   "Creating new neighbor %pM for orig_node %pM on interface %s\n",  in batadv_neigh_node_create()
689 		   neigh_addr, orig_node->orig, hard_iface->net_dev->name);  in batadv_neigh_node_create()
692 	spin_unlock_bh(&orig_node->neigh_list_lock);  in batadv_neigh_node_create()
699  * batadv_neigh_node_get_or_create() - retrieve or create a neigh node object
701  * @hard_iface: the interface where the neighbour is connected to
702  * @neigh_addr: the mac address of the neighbour interface
704  * Return: the neighbour node if found or created or NULL otherwise.
722  * batadv_hardif_neigh_dump() - Dump to netlink the neighbor infos for a
723  *  specific outgoing interface
731 	struct net *net = sock_net(cb->skb->sk);  in batadv_hardif_neigh_dump()
740 	ifindex = batadv_netlink_get_ifindex(cb->nlh, BATADV_ATTR_MESH_IFINDEX);  in batadv_hardif_neigh_dump()
742 		return -EINVAL;  in batadv_hardif_neigh_dump()
746 		ret = -ENODEV;  in batadv_hardif_neigh_dump()
753 	if (!primary_if || primary_if->if_status != BATADV_IF_ACTIVE) {  in batadv_hardif_neigh_dump()
754 		ret = -ENOENT;  in batadv_hardif_neigh_dump()
758 	hard_ifindex = batadv_netlink_get_ifindex(cb->nlh,  in batadv_hardif_neigh_dump()
766 			ret = -ENODEV;  in batadv_hardif_neigh_dump()
770 		if (hardif->soft_iface != soft_iface) {  in batadv_hardif_neigh_dump()
771 			ret = -ENOENT;  in batadv_hardif_neigh_dump()
776 	if (!bat_priv->algo_ops->neigh.dump) {  in batadv_hardif_neigh_dump()
777 		ret = -EOPNOTSUPP;  in batadv_hardif_neigh_dump()
781 	bat_priv->algo_ops->neigh.dump(msg, cb, bat_priv, hardif);  in batadv_hardif_neigh_dump()
783 	ret = msg->len;  in batadv_hardif_neigh_dump()
795  * batadv_orig_ifinfo_release() - release orig_ifinfo from lists and queue for
806 	if (orig_ifinfo->if_outgoing != BATADV_IF_DEFAULT)  in batadv_orig_ifinfo_release()
807 		batadv_hardif_put(orig_ifinfo->if_outgoing);  in batadv_orig_ifinfo_release()
810 	router = rcu_dereference_protected(orig_ifinfo->router, true);  in batadv_orig_ifinfo_release()
817  * batadv_orig_node_free_rcu() - free the orig_node
830 	kfree(orig_node->tt_buff);  in batadv_orig_node_free_rcu()
835  * batadv_orig_node_release() - release orig_node from lists and queue for
850 	spin_lock_bh(&orig_node->neigh_list_lock);  in batadv_orig_node_release()
854 				  &orig_node->neigh_list, list) {  in batadv_orig_node_release()
855 		hlist_del_rcu(&neigh_node->list);  in batadv_orig_node_release()
860 				  &orig_node->ifinfo_list, list) {  in batadv_orig_node_release()
861 		hlist_del_rcu(&orig_ifinfo->list);  in batadv_orig_node_release()
865 	last_candidate = orig_node->last_bonding_candidate;  in batadv_orig_node_release()
866 	orig_node->last_bonding_candidate = NULL;  in batadv_orig_node_release()
867 	spin_unlock_bh(&orig_node->neigh_list_lock);  in batadv_orig_node_release()
871 	spin_lock_bh(&orig_node->vlan_list_lock);  in batadv_orig_node_release()
872 	hlist_for_each_entry_safe(vlan, node_tmp, &orig_node->vlan_list, list) {  in batadv_orig_node_release()
873 		hlist_del_rcu(&vlan->list);  in batadv_orig_node_release()
876 	spin_unlock_bh(&orig_node->vlan_list_lock);  in batadv_orig_node_release()
879 	batadv_nc_purge_orig(orig_node->bat_priv, orig_node, NULL);  in batadv_orig_node_release()
881 	call_rcu(&orig_node->rcu, batadv_orig_node_free_rcu);  in batadv_orig_node_release()
885  * batadv_originator_free() - Free all originator structures
886  * @bat_priv: the bat priv with all the soft interface information
890 	struct batadv_hashtable *hash = bat_priv->orig_hash;  in batadv_originator_free()
900 	cancel_delayed_work_sync(&bat_priv->orig_work);  in batadv_originator_free()
902 	bat_priv->orig_hash = NULL;  in batadv_originator_free()
904 	for (i = 0; i < hash->size; i++) {  in batadv_originator_free()
905 		head = &hash->table[i];  in batadv_originator_free()
906 		list_lock = &hash->list_locks[i];  in batadv_originator_free()
911 			hlist_del_rcu(&orig_node->hash_entry);  in batadv_originator_free()
921  * batadv_orig_node_new() - creates a new orig_node
922  * @bat_priv: the bat priv with all the soft interface information
945 	INIT_HLIST_HEAD(&orig_node->neigh_list);  in batadv_orig_node_new()
946 	INIT_HLIST_HEAD(&orig_node->vlan_list);  in batadv_orig_node_new()
947 	INIT_HLIST_HEAD(&orig_node->ifinfo_list);  in batadv_orig_node_new()
948 	spin_lock_init(&orig_node->bcast_seqno_lock);  in batadv_orig_node_new()
949 	spin_lock_init(&orig_node->neigh_list_lock);  in batadv_orig_node_new()
950 	spin_lock_init(&orig_node->tt_buff_lock);  in batadv_orig_node_new()
951 	spin_lock_init(&orig_node->tt_lock);  in batadv_orig_node_new()
952 	spin_lock_init(&orig_node->vlan_list_lock);  in batadv_orig_node_new()
957 	kref_init(&orig_node->refcount);  in batadv_orig_node_new()
959 	orig_node->bat_priv = bat_priv;  in batadv_orig_node_new()
960 	ether_addr_copy(orig_node->orig, addr);  in batadv_orig_node_new()
962 	atomic_set(&orig_node->last_ttvn, 0);  in batadv_orig_node_new()
963 	orig_node->tt_buff = NULL;  in batadv_orig_node_new()
964 	orig_node->tt_buff_len = 0;  in batadv_orig_node_new()
965 	orig_node->last_seen = jiffies;  in batadv_orig_node_new()
966 	reset_time = jiffies - 1 - msecs_to_jiffies(BATADV_RESET_PROTECTION_MS);  in batadv_orig_node_new()
967 	orig_node->bcast_seqno_reset = reset_time;  in batadv_orig_node_new()
970 	orig_node->mcast_flags = BATADV_MCAST_WANT_NO_RTR4;  in batadv_orig_node_new()
971 	orig_node->mcast_flags |= BATADV_MCAST_WANT_NO_RTR6;  in batadv_orig_node_new()
972 	INIT_HLIST_NODE(&orig_node->mcast_want_all_unsnoopables_node);  in batadv_orig_node_new()
973 	INIT_HLIST_NODE(&orig_node->mcast_want_all_ipv4_node);  in batadv_orig_node_new()
974 	INIT_HLIST_NODE(&orig_node->mcast_want_all_ipv6_node);  in batadv_orig_node_new()
975 	spin_lock_init(&orig_node->mcast_handler_lock);  in batadv_orig_node_new()
989 		INIT_HLIST_HEAD(&orig_node->fragments[i].fragment_list);  in batadv_orig_node_new()
990 		spin_lock_init(&orig_node->fragments[i].lock);  in batadv_orig_node_new()
991 		orig_node->fragments[i].size = 0;  in batadv_orig_node_new()
1001  * batadv_purge_neigh_ifinfo() - purge obsolete ifinfo entries from neighbor
1002  * @bat_priv: the bat priv with all the soft interface information
1003  * @neigh: orig node which is to be checked
1013 	spin_lock_bh(&neigh->ifinfo_lock);  in batadv_purge_neigh_ifinfo()
1017 				  &neigh->ifinfo_list, list) {  in batadv_purge_neigh_ifinfo()
1018 		if_outgoing = neigh_ifinfo->if_outgoing;  in batadv_purge_neigh_ifinfo()
1020 		/* always keep the default interface */  in batadv_purge_neigh_ifinfo()
1024 		/* don't purge if the interface is not (going) down */  in batadv_purge_neigh_ifinfo()
1025 		if (if_outgoing->if_status != BATADV_IF_INACTIVE &&  in batadv_purge_neigh_ifinfo()
1026 		    if_outgoing->if_status != BATADV_IF_NOT_IN_USE &&  in batadv_purge_neigh_ifinfo()
1027 		    if_outgoing->if_status != BATADV_IF_TO_BE_REMOVED)  in batadv_purge_neigh_ifinfo()
1032 			   neigh->addr, if_outgoing->net_dev->name);  in batadv_purge_neigh_ifinfo()
1034 		hlist_del_rcu(&neigh_ifinfo->list);  in batadv_purge_neigh_ifinfo()
1038 	spin_unlock_bh(&neigh->ifinfo_lock);  in batadv_purge_neigh_ifinfo()
1042  * batadv_purge_orig_ifinfo() - purge obsolete ifinfo entries from originator
1043  * @bat_priv: the bat priv with all the soft interface information
1044  * @orig_node: orig node which is to be checked
1057 	spin_lock_bh(&orig_node->neigh_list_lock);  in batadv_purge_orig_ifinfo()
1061 				  &orig_node->ifinfo_list, list) {  in batadv_purge_orig_ifinfo()
1062 		if_outgoing = orig_ifinfo->if_outgoing;  in batadv_purge_orig_ifinfo()
1064 		/* always keep the default interface */  in batadv_purge_orig_ifinfo()
1068 		/* don't purge if the interface is not (going) down */  in batadv_purge_orig_ifinfo()
1069 		if (if_outgoing->if_status != BATADV_IF_INACTIVE &&  in batadv_purge_orig_ifinfo()
1070 		    if_outgoing->if_status != BATADV_IF_NOT_IN_USE &&  in batadv_purge_orig_ifinfo()
1071 		    if_outgoing->if_status != BATADV_IF_TO_BE_REMOVED)  in batadv_purge_orig_ifinfo()
1076 			   orig_node->orig, if_outgoing->net_dev->name);  in batadv_purge_orig_ifinfo()
1080 		hlist_del_rcu(&orig_ifinfo->list);  in batadv_purge_orig_ifinfo()
1082 		if (orig_node->last_bonding_candidate == orig_ifinfo) {  in batadv_purge_orig_ifinfo()
1083 			orig_node->last_bonding_candidate = NULL;  in batadv_purge_orig_ifinfo()
1088 	spin_unlock_bh(&orig_node->neigh_list_lock);  in batadv_purge_orig_ifinfo()
1094  * batadv_purge_orig_neighbors() - purges neighbors from originator
1095  * @bat_priv: the bat priv with all the soft interface information
1096  * @orig_node: orig node which is to be checked
1110 	spin_lock_bh(&orig_node->neigh_list_lock);  in batadv_purge_orig_neighbors()
1114 				  &orig_node->neigh_list, list) {  in batadv_purge_orig_neighbors()
1115 		last_seen = neigh_node->last_seen;  in batadv_purge_orig_neighbors()
1116 		if_incoming = neigh_node->if_incoming;  in batadv_purge_orig_neighbors()
1119 		    if_incoming->if_status == BATADV_IF_INACTIVE ||  in batadv_purge_orig_neighbors()
1120 		    if_incoming->if_status == BATADV_IF_NOT_IN_USE ||  in batadv_purge_orig_neighbors()
1121 		    if_incoming->if_status == BATADV_IF_TO_BE_REMOVED) {  in batadv_purge_orig_neighbors()
1122 			if (if_incoming->if_status == BATADV_IF_INACTIVE ||  in batadv_purge_orig_neighbors()
1123 			    if_incoming->if_status == BATADV_IF_NOT_IN_USE ||  in batadv_purge_orig_neighbors()
1124 			    if_incoming->if_status == BATADV_IF_TO_BE_REMOVED)  in batadv_purge_orig_neighbors()
1127 					   orig_node->orig, neigh_node->addr,  in batadv_purge_orig_neighbors()
1128 					   if_incoming->net_dev->name);  in batadv_purge_orig_neighbors()
1132 					   orig_node->orig, neigh_node->addr,  in batadv_purge_orig_neighbors()
1137 			hlist_del_rcu(&neigh_node->list);  in batadv_purge_orig_neighbors()
1141 			 * deleted, but some interface has been removed.  in batadv_purge_orig_neighbors()
1147 	spin_unlock_bh(&orig_node->neigh_list_lock);  in batadv_purge_orig_neighbors()
1152  * batadv_find_best_neighbor() - finds the best neighbor after purging
1153  * @bat_priv: the bat priv with all the soft interface information
1154  * @orig_node: orig node which is to be checked
1155  * @if_outgoing: the interface for which the metric should be compared
1165 	struct batadv_algo_ops *bao = bat_priv->algo_ops;  in batadv_find_best_neighbor()
1168 	hlist_for_each_entry_rcu(neigh, &orig_node->neigh_list, list) {  in batadv_find_best_neighbor()
1169 		if (best && (bao->neigh.cmp(neigh, if_outgoing, best,  in batadv_find_best_neighbor()
1173 		if (!kref_get_unless_zero(&neigh->refcount))  in batadv_find_best_neighbor()
1186  * batadv_purge_orig_node() - purges obsolete information from an orig_node
1187  * @bat_priv: the bat priv with all the soft interface information
1188  * @orig_node: orig node which is to be checked
1202 	if (batadv_has_timed_out(orig_node->last_seen,  in batadv_purge_orig_node()
1206 			   orig_node->orig,  in batadv_purge_orig_node()
1207 			   jiffies_to_msecs(orig_node->last_seen));  in batadv_purge_orig_node()
1226 		if (hard_iface->if_status != BATADV_IF_ACTIVE)  in batadv_purge_orig_node()
1229 		if (hard_iface->soft_iface != bat_priv->soft_iface)  in batadv_purge_orig_node()
1232 		if (!kref_get_unless_zero(&hard_iface->refcount))  in batadv_purge_orig_node()
1250  * batadv_purge_orig_ref() - Purge all outdated originators
1251  * @bat_priv: the bat priv with all the soft interface information
1255 	struct batadv_hashtable *hash = bat_priv->orig_hash;  in batadv_purge_orig_ref()
1266 	for (i = 0; i < hash->size; i++) {  in batadv_purge_orig_ref()
1267 		head = &hash->table[i];  in batadv_purge_orig_ref()
1270 		list_lock = &hash->list_locks[i];  in batadv_purge_orig_ref()
1277 				hlist_del_rcu(&orig_node->hash_entry);  in batadv_purge_orig_ref()
1278 				batadv_tt_global_del_orig(orig_node->bat_priv,  in batadv_purge_orig_ref()
1279 							  orig_node, -1,  in batadv_purge_orig_ref()
1303 			   &bat_priv->orig_work,  in batadv_purge_orig()
1308  * batadv_orig_dump() - Dump to netlink the originator infos for a specific
1309  *  outgoing interface
1317 	struct net *net = sock_net(cb->skb->sk);  in batadv_orig_dump()
1326 	ifindex = batadv_netlink_get_ifindex(cb->nlh, BATADV_ATTR_MESH_IFINDEX);  in batadv_orig_dump()
1328 		return -EINVAL;  in batadv_orig_dump()
1332 		ret = -ENODEV;  in batadv_orig_dump()
1339 	if (!primary_if || primary_if->if_status != BATADV_IF_ACTIVE) {  in batadv_orig_dump()
1340 		ret = -ENOENT;  in batadv_orig_dump()
1344 	hard_ifindex = batadv_netlink_get_ifindex(cb->nlh,  in batadv_orig_dump()
1352 			ret = -ENODEV;  in batadv_orig_dump()
1356 		if (hardif->soft_iface != soft_iface) {  in batadv_orig_dump()
1357 			ret = -ENOENT;  in batadv_orig_dump()
1362 	if (!bat_priv->algo_ops->orig.dump) {  in batadv_orig_dump()
1363 		ret = -EOPNOTSUPP;  in batadv_orig_dump()
1367 	bat_priv->algo_ops->orig.dump(msg, cb, bat_priv, hardif);  in batadv_orig_dump()
1369 	ret = msg->len;  in batadv_orig_dump()