1 // SPDX-License-Identifier: GPL-2.0
2 /* Copyright (C) 2009-2020  B.A.T.M.A.N. contributors:
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_orig_node_vlan_new() - search and possibly create an orig_node_vlan
153 	spin_lock_bh(&orig_node->vlan_list_lock);  in batadv_orig_node_vlan_new()
164 	kref_init(&vlan->refcount);  in batadv_orig_node_vlan_new()
165 	vlan->vid = vid;  in batadv_orig_node_vlan_new()
167 	kref_get(&vlan->refcount);  in batadv_orig_node_vlan_new()
168 	hlist_add_head_rcu(&vlan->list, &orig_node->vlan_list);  in batadv_orig_node_vlan_new()
171 	spin_unlock_bh(&orig_node->vlan_list_lock);  in batadv_orig_node_vlan_new()
177  * batadv_orig_node_vlan_release() - release originator-vlan object from lists
179  * @ref: kref pointer of the originator-vlan object
191  * batadv_originator_init() - Initialize all originator structures
192  * @bat_priv: the bat priv with all the soft interface information
198 	if (bat_priv->orig_hash)  in batadv_originator_init()
201 	bat_priv->orig_hash = batadv_hash_new(1024);  in batadv_originator_init()
203 	if (!bat_priv->orig_hash)  in batadv_originator_init()
206 	batadv_hash_set_lock_class(bat_priv->orig_hash,  in batadv_originator_init()
209 	INIT_DELAYED_WORK(&bat_priv->orig_work, batadv_purge_orig);  in batadv_originator_init()
211 			   &bat_priv->orig_work,  in batadv_originator_init()
217 	return -ENOMEM;  in batadv_originator_init()
221  * batadv_neigh_ifinfo_release() - release neigh_ifinfo from lists and queue for
231 	if (neigh_ifinfo->if_outgoing != BATADV_IF_DEFAULT)  in batadv_neigh_ifinfo_release()
232 		batadv_hardif_put(neigh_ifinfo->if_outgoing);  in batadv_neigh_ifinfo_release()
238  * batadv_hardif_neigh_release() - release hardif neigh node from lists and
249 	spin_lock_bh(&hardif_neigh->if_incoming->neigh_list_lock);  in batadv_hardif_neigh_release()
250 	hlist_del_init_rcu(&hardif_neigh->list);  in batadv_hardif_neigh_release()
251 	spin_unlock_bh(&hardif_neigh->if_incoming->neigh_list_lock);  in batadv_hardif_neigh_release()
253 	batadv_hardif_put(hardif_neigh->if_incoming);  in batadv_hardif_neigh_release()
258  * batadv_neigh_node_release() - release neigh_node from lists and queue for
271 				  &neigh_node->ifinfo_list, list) {  in batadv_neigh_node_release()
275 	batadv_hardif_neigh_put(neigh_node->hardif_neigh);  in batadv_neigh_node_release()
277 	batadv_hardif_put(neigh_node->if_incoming);  in batadv_neigh_node_release()
283  * batadv_orig_router_get() - router to the originator depending on iface
284  * @orig_node: the orig node for the router
285  * @if_outgoing: the interface where the payload packet has been received or
300 	hlist_for_each_entry_rcu(orig_ifinfo, &orig_node->ifinfo_list, list) {  in batadv_orig_router_get()
301 		if (orig_ifinfo->if_outgoing != if_outgoing)  in batadv_orig_router_get()
304 		router = rcu_dereference(orig_ifinfo->router);  in batadv_orig_router_get()
308 	if (router && !kref_get_unless_zero(&router->refcount))  in batadv_orig_router_get()
316  * batadv_orig_ifinfo_get() - find the ifinfo from an orig_node
317  * @orig_node: the orig node to be queried
318  * @if_outgoing: the interface for which the ifinfo should be acquired
331 	hlist_for_each_entry_rcu(tmp, &orig_node->ifinfo_list,  in batadv_orig_ifinfo_get()
333 		if (tmp->if_outgoing != if_outgoing)  in batadv_orig_ifinfo_get()
336 		if (!kref_get_unless_zero(&tmp->refcount))  in batadv_orig_ifinfo_get()
348  * batadv_orig_ifinfo_new() - search and possibly create an orig_ifinfo object
349  * @orig_node: the orig node to be queried
350  * @if_outgoing: the interface for which the ifinfo should be acquired
353  * interface otherwise. The object is created and added to the list
365 	spin_lock_bh(&orig_node->neigh_list_lock);  in batadv_orig_ifinfo_new()
376 		kref_get(&if_outgoing->refcount);  in batadv_orig_ifinfo_new()
378 	reset_time = jiffies - 1;  in batadv_orig_ifinfo_new()
379 	reset_time -= msecs_to_jiffies(BATADV_RESET_PROTECTION_MS);  in batadv_orig_ifinfo_new()
380 	orig_ifinfo->batman_seqno_reset = reset_time;  in batadv_orig_ifinfo_new()
381 	orig_ifinfo->if_outgoing = if_outgoing;  in batadv_orig_ifinfo_new()
382 	INIT_HLIST_NODE(&orig_ifinfo->list);  in batadv_orig_ifinfo_new()
383 	kref_init(&orig_ifinfo->refcount);  in batadv_orig_ifinfo_new()
385 	kref_get(&orig_ifinfo->refcount);  in batadv_orig_ifinfo_new()
386 	hlist_add_head_rcu(&orig_ifinfo->list,  in batadv_orig_ifinfo_new()
387 			   &orig_node->ifinfo_list);  in batadv_orig_ifinfo_new()
389 	spin_unlock_bh(&orig_node->neigh_list_lock);  in batadv_orig_ifinfo_new()
394  * batadv_neigh_ifinfo_get() - find the ifinfo from an neigh_node
395  * @neigh: the neigh node to be queried
396  * @if_outgoing: the interface for which the ifinfo should be acquired
410 	hlist_for_each_entry_rcu(tmp_neigh_ifinfo, &neigh->ifinfo_list,  in batadv_neigh_ifinfo_get()
412 		if (tmp_neigh_ifinfo->if_outgoing != if_outgoing)  in batadv_neigh_ifinfo_get()
415 		if (!kref_get_unless_zero(&tmp_neigh_ifinfo->refcount))  in batadv_neigh_ifinfo_get()
427  * batadv_neigh_ifinfo_new() - search and possibly create an neigh_ifinfo object
428  * @neigh: the neigh node to be queried
429  * @if_outgoing: the interface for which the ifinfo should be acquired
432  * if_outgoing interface otherwise. The object is created and added to the list
443 	spin_lock_bh(&neigh->ifinfo_lock);  in batadv_neigh_ifinfo_new()
454 		kref_get(&if_outgoing->refcount);  in batadv_neigh_ifinfo_new()
456 	INIT_HLIST_NODE(&neigh_ifinfo->list);  in batadv_neigh_ifinfo_new()
457 	kref_init(&neigh_ifinfo->refcount);  in batadv_neigh_ifinfo_new()
458 	neigh_ifinfo->if_outgoing = if_outgoing;  in batadv_neigh_ifinfo_new()
460 	kref_get(&neigh_ifinfo->refcount);  in batadv_neigh_ifinfo_new()
461 	hlist_add_head_rcu(&neigh_ifinfo->list, &neigh->ifinfo_list);  in batadv_neigh_ifinfo_new()
464 	spin_unlock_bh(&neigh->ifinfo_lock);  in batadv_neigh_ifinfo_new()
470  * batadv_neigh_node_get() - retrieve a neighbour from the list
472  * @hard_iface: the interface where this neighbour is connected to
476  * which is connected through the provided hard interface.
488 	hlist_for_each_entry_rcu(tmp_neigh_node, &orig_node->neigh_list, list) {  in batadv_neigh_node_get()
489 		if (!batadv_compare_eth(tmp_neigh_node->addr, addr))  in batadv_neigh_node_get()
492 		if (tmp_neigh_node->if_incoming != hard_iface)  in batadv_neigh_node_get()
495 		if (!kref_get_unless_zero(&tmp_neigh_node->refcount))  in batadv_neigh_node_get()
507  * batadv_hardif_neigh_create() - create a hardif neighbour node
508  * @hard_iface: the interface this neighbour is connected to
509  * @neigh_addr: the interface address of the neighbour to retrieve
512  * Return: the hardif neighbour node if found or created or NULL otherwise.
519 	struct batadv_priv *bat_priv = netdev_priv(hard_iface->soft_iface);  in batadv_hardif_neigh_create()
522 	spin_lock_bh(&hard_iface->neigh_list_lock);  in batadv_hardif_neigh_create()
533 	kref_get(&hard_iface->refcount);  in batadv_hardif_neigh_create()
534 	INIT_HLIST_NODE(&hardif_neigh->list);  in batadv_hardif_neigh_create()
535 	ether_addr_copy(hardif_neigh->addr, neigh_addr);  in batadv_hardif_neigh_create()
536 	ether_addr_copy(hardif_neigh->orig, orig_node->orig);  in batadv_hardif_neigh_create()
537 	hardif_neigh->if_incoming = hard_iface;  in batadv_hardif_neigh_create()
538 	hardif_neigh->last_seen = jiffies;  in batadv_hardif_neigh_create()
540 	kref_init(&hardif_neigh->refcount);  in batadv_hardif_neigh_create()
542 	if (bat_priv->algo_ops->neigh.hardif_init)  in batadv_hardif_neigh_create()
543 		bat_priv->algo_ops->neigh.hardif_init(hardif_neigh);  in batadv_hardif_neigh_create()
545 	hlist_add_head_rcu(&hardif_neigh->list, &hard_iface->neigh_list);  in batadv_hardif_neigh_create()
548 	spin_unlock_bh(&hard_iface->neigh_list_lock);  in batadv_hardif_neigh_create()
553  * batadv_hardif_neigh_get_or_create() - retrieve or create a hardif neighbour
554  *  node
555  * @hard_iface: the interface this neighbour is connected to
556  * @neigh_addr: the interface address of the neighbour to retrieve
559  * Return: the hardif neighbour node if found or created or NULL otherwise.
577  * batadv_hardif_neigh_get() - retrieve a hardif neighbour from the list
578  * @hard_iface: the interface where this neighbour is connected to
581  * Looks for and possibly returns a neighbour belonging to this hard interface.
593 				 &hard_iface->neigh_list, list) {  in batadv_hardif_neigh_get()
594 		if (!batadv_compare_eth(tmp_hardif_neigh->addr, neigh_addr))  in batadv_hardif_neigh_get()
597 		if (!kref_get_unless_zero(&tmp_hardif_neigh->refcount))  in batadv_hardif_neigh_get()
609  * batadv_neigh_node_create() - create a neigh node object
611  * @hard_iface: the interface where the neighbour is connected to
612  * @neigh_addr: the mac address of the neighbour interface
616  * Return: the neighbour node if found or created or NULL otherwise.
626 	spin_lock_bh(&orig_node->neigh_list_lock);  in batadv_neigh_node_create()
641 	INIT_HLIST_NODE(&neigh_node->list);  in batadv_neigh_node_create()
642 	INIT_HLIST_HEAD(&neigh_node->ifinfo_list);  in batadv_neigh_node_create()
643 	spin_lock_init(&neigh_node->ifinfo_lock);  in batadv_neigh_node_create()
645 	kref_get(&hard_iface->refcount);  in batadv_neigh_node_create()
646 	ether_addr_copy(neigh_node->addr, neigh_addr);  in batadv_neigh_node_create()
647 	neigh_node->if_incoming = hard_iface;  in batadv_neigh_node_create()
648 	neigh_node->orig_node = orig_node;  in batadv_neigh_node_create()
649 	neigh_node->last_seen = jiffies;  in batadv_neigh_node_create()
652 	kref_get(&hardif_neigh->refcount);  in batadv_neigh_node_create()
653 	neigh_node->hardif_neigh = hardif_neigh;  in batadv_neigh_node_create()
656 	kref_init(&neigh_node->refcount);  in batadv_neigh_node_create()
658 	kref_get(&neigh_node->refcount);  in batadv_neigh_node_create()
659 	hlist_add_head_rcu(&neigh_node->list, &orig_node->neigh_list);  in batadv_neigh_node_create()
661 	batadv_dbg(BATADV_DBG_BATMAN, orig_node->bat_priv,  in batadv_neigh_node_create()
662 		   "Creating new neighbor %pM for orig_node %pM on interface %s\n",  in batadv_neigh_node_create()
663 		   neigh_addr, orig_node->orig, hard_iface->net_dev->name);  in batadv_neigh_node_create()
666 	spin_unlock_bh(&orig_node->neigh_list_lock);  in batadv_neigh_node_create()
674  * batadv_neigh_node_get_or_create() - retrieve or create a neigh node object
676  * @hard_iface: the interface where the neighbour is connected to
677  * @neigh_addr: the mac address of the neighbour interface
679  * Return: the neighbour node if found or created or NULL otherwise.
698  * batadv_hardif_neigh_seq_print_text() - print the single hop neighbour list
706 	struct net_device *net_dev = (struct net_device *)seq->private;  in batadv_hardif_neigh_seq_print_text()
715 		   BATADV_SOURCE_VERSION, primary_if->net_dev->name,  in batadv_hardif_neigh_seq_print_text()
716 		   primary_if->net_dev->dev_addr, net_dev->name,  in batadv_hardif_neigh_seq_print_text()
717 		   bat_priv->algo_ops->name);  in batadv_hardif_neigh_seq_print_text()
721 	if (!bat_priv->algo_ops->neigh.print) {  in batadv_hardif_neigh_seq_print_text()
727 	bat_priv->algo_ops->neigh.print(bat_priv, seq);  in batadv_hardif_neigh_seq_print_text()
733  * batadv_hardif_neigh_dump() - Dump to netlink the neighbor infos for a
734  *  specific outgoing interface
742 	struct net *net = sock_net(cb->skb->sk);  in batadv_hardif_neigh_dump()
751 	ifindex = batadv_netlink_get_ifindex(cb->nlh, BATADV_ATTR_MESH_IFINDEX);  in batadv_hardif_neigh_dump()
753 		return -EINVAL;  in batadv_hardif_neigh_dump()
757 		ret = -ENODEV;  in batadv_hardif_neigh_dump()
764 	if (!primary_if || primary_if->if_status != BATADV_IF_ACTIVE) {  in batadv_hardif_neigh_dump()
765 		ret = -ENOENT;  in batadv_hardif_neigh_dump()
769 	hard_ifindex = batadv_netlink_get_ifindex(cb->nlh,  in batadv_hardif_neigh_dump()
777 			ret = -ENODEV;  in batadv_hardif_neigh_dump()
781 		if (hardif->soft_iface != soft_iface) {  in batadv_hardif_neigh_dump()
782 			ret = -ENOENT;  in batadv_hardif_neigh_dump()
787 	if (!bat_priv->algo_ops->neigh.dump) {  in batadv_hardif_neigh_dump()
788 		ret = -EOPNOTSUPP;  in batadv_hardif_neigh_dump()
792 	bat_priv->algo_ops->neigh.dump(msg, cb, bat_priv, hardif);  in batadv_hardif_neigh_dump()
794 	ret = msg->len;  in batadv_hardif_neigh_dump()
810  * batadv_orig_ifinfo_release() - release orig_ifinfo from lists and queue for
821 	if (orig_ifinfo->if_outgoing != BATADV_IF_DEFAULT)  in batadv_orig_ifinfo_release()
822 		batadv_hardif_put(orig_ifinfo->if_outgoing);  in batadv_orig_ifinfo_release()
825 	router = rcu_dereference_protected(orig_ifinfo->router, true);  in batadv_orig_ifinfo_release()
833  * batadv_orig_node_free_rcu() - free the orig_node
846 	kfree(orig_node->tt_buff);  in batadv_orig_node_free_rcu()
851  * batadv_orig_node_release() - release orig_node from lists and queue for
866 	spin_lock_bh(&orig_node->neigh_list_lock);  in batadv_orig_node_release()
870 				  &orig_node->neigh_list, list) {  in batadv_orig_node_release()
871 		hlist_del_rcu(&neigh_node->list);  in batadv_orig_node_release()
876 				  &orig_node->ifinfo_list, list) {  in batadv_orig_node_release()
877 		hlist_del_rcu(&orig_ifinfo->list);  in batadv_orig_node_release()
881 	last_candidate = orig_node->last_bonding_candidate;  in batadv_orig_node_release()
882 	orig_node->last_bonding_candidate = NULL;  in batadv_orig_node_release()
883 	spin_unlock_bh(&orig_node->neigh_list_lock);  in batadv_orig_node_release()
888 	spin_lock_bh(&orig_node->vlan_list_lock);  in batadv_orig_node_release()
889 	hlist_for_each_entry_safe(vlan, node_tmp, &orig_node->vlan_list, list) {  in batadv_orig_node_release()
890 		hlist_del_rcu(&vlan->list);  in batadv_orig_node_release()
893 	spin_unlock_bh(&orig_node->vlan_list_lock);  in batadv_orig_node_release()
896 	batadv_nc_purge_orig(orig_node->bat_priv, orig_node, NULL);  in batadv_orig_node_release()
898 	call_rcu(&orig_node->rcu, batadv_orig_node_free_rcu);  in batadv_orig_node_release()
902  * batadv_originator_free() - Free all originator structures
903  * @bat_priv: the bat priv with all the soft interface information
907 	struct batadv_hashtable *hash = bat_priv->orig_hash;  in batadv_originator_free()
917 	cancel_delayed_work_sync(&bat_priv->orig_work);  in batadv_originator_free()
919 	bat_priv->orig_hash = NULL;  in batadv_originator_free()
921 	for (i = 0; i < hash->size; i++) {  in batadv_originator_free()
922 		head = &hash->table[i];  in batadv_originator_free()
923 		list_lock = &hash->list_locks[i];  in batadv_originator_free()
928 			hlist_del_rcu(&orig_node->hash_entry);  in batadv_originator_free()
938  * batadv_orig_node_new() - creates a new orig_node
939  * @bat_priv: the bat priv with all the soft interface information
962 	INIT_HLIST_HEAD(&orig_node->neigh_list);  in batadv_orig_node_new()
963 	INIT_HLIST_HEAD(&orig_node->vlan_list);  in batadv_orig_node_new()
964 	INIT_HLIST_HEAD(&orig_node->ifinfo_list);  in batadv_orig_node_new()
965 	spin_lock_init(&orig_node->bcast_seqno_lock);  in batadv_orig_node_new()
966 	spin_lock_init(&orig_node->neigh_list_lock);  in batadv_orig_node_new()
967 	spin_lock_init(&orig_node->tt_buff_lock);  in batadv_orig_node_new()
968 	spin_lock_init(&orig_node->tt_lock);  in batadv_orig_node_new()
969 	spin_lock_init(&orig_node->vlan_list_lock);  in batadv_orig_node_new()
974 	kref_init(&orig_node->refcount);  in batadv_orig_node_new()
976 	orig_node->bat_priv = bat_priv;  in batadv_orig_node_new()
977 	ether_addr_copy(orig_node->orig, addr);  in batadv_orig_node_new()
979 	atomic_set(&orig_node->last_ttvn, 0);  in batadv_orig_node_new()
980 	orig_node->tt_buff = NULL;  in batadv_orig_node_new()
981 	orig_node->tt_buff_len = 0;  in batadv_orig_node_new()
982 	orig_node->last_seen = jiffies;  in batadv_orig_node_new()
983 	reset_time = jiffies - 1 - msecs_to_jiffies(BATADV_RESET_PROTECTION_MS);  in batadv_orig_node_new()
984 	orig_node->bcast_seqno_reset = reset_time;  in batadv_orig_node_new()
987 	orig_node->mcast_flags = BATADV_MCAST_WANT_NO_RTR4;  in batadv_orig_node_new()
988 	orig_node->mcast_flags |= BATADV_MCAST_WANT_NO_RTR6;  in batadv_orig_node_new()
989 	INIT_HLIST_NODE(&orig_node->mcast_want_all_unsnoopables_node);  in batadv_orig_node_new()
990 	INIT_HLIST_NODE(&orig_node->mcast_want_all_ipv4_node);  in batadv_orig_node_new()
991 	INIT_HLIST_NODE(&orig_node->mcast_want_all_ipv6_node);  in batadv_orig_node_new()
992 	spin_lock_init(&orig_node->mcast_handler_lock);  in batadv_orig_node_new()
1006 		INIT_HLIST_HEAD(&orig_node->fragments[i].fragment_list);  in batadv_orig_node_new()
1007 		spin_lock_init(&orig_node->fragments[i].lock);  in batadv_orig_node_new()
1008 		orig_node->fragments[i].size = 0;  in batadv_orig_node_new()
1018  * batadv_purge_neigh_ifinfo() - purge obsolete ifinfo entries from neighbor
1019  * @bat_priv: the bat priv with all the soft interface information
1020  * @neigh: orig node which is to be checked
1030 	spin_lock_bh(&neigh->ifinfo_lock);  in batadv_purge_neigh_ifinfo()
1034 				  &neigh->ifinfo_list, list) {  in batadv_purge_neigh_ifinfo()
1035 		if_outgoing = neigh_ifinfo->if_outgoing;  in batadv_purge_neigh_ifinfo()
1037 		/* always keep the default interface */  in batadv_purge_neigh_ifinfo()
1041 		/* don't purge if the interface is not (going) down */  in batadv_purge_neigh_ifinfo()
1042 		if (if_outgoing->if_status != BATADV_IF_INACTIVE &&  in batadv_purge_neigh_ifinfo()
1043 		    if_outgoing->if_status != BATADV_IF_NOT_IN_USE &&  in batadv_purge_neigh_ifinfo()
1044 		    if_outgoing->if_status != BATADV_IF_TO_BE_REMOVED)  in batadv_purge_neigh_ifinfo()
1049 			   neigh->addr, if_outgoing->net_dev->name);  in batadv_purge_neigh_ifinfo()
1051 		hlist_del_rcu(&neigh_ifinfo->list);  in batadv_purge_neigh_ifinfo()
1055 	spin_unlock_bh(&neigh->ifinfo_lock);  in batadv_purge_neigh_ifinfo()
1059  * batadv_purge_orig_ifinfo() - purge obsolete ifinfo entries from originator
1060  * @bat_priv: the bat priv with all the soft interface information
1061  * @orig_node: orig node which is to be checked
1074 	spin_lock_bh(&orig_node->neigh_list_lock);  in batadv_purge_orig_ifinfo()
1078 				  &orig_node->ifinfo_list, list) {  in batadv_purge_orig_ifinfo()
1079 		if_outgoing = orig_ifinfo->if_outgoing;  in batadv_purge_orig_ifinfo()
1081 		/* always keep the default interface */  in batadv_purge_orig_ifinfo()
1085 		/* don't purge if the interface is not (going) down */  in batadv_purge_orig_ifinfo()
1086 		if (if_outgoing->if_status != BATADV_IF_INACTIVE &&  in batadv_purge_orig_ifinfo()
1087 		    if_outgoing->if_status != BATADV_IF_NOT_IN_USE &&  in batadv_purge_orig_ifinfo()
1088 		    if_outgoing->if_status != BATADV_IF_TO_BE_REMOVED)  in batadv_purge_orig_ifinfo()
1093 			   orig_node->orig, if_outgoing->net_dev->name);  in batadv_purge_orig_ifinfo()
1097 		hlist_del_rcu(&orig_ifinfo->list);  in batadv_purge_orig_ifinfo()
1099 		if (orig_node->last_bonding_candidate == orig_ifinfo) {  in batadv_purge_orig_ifinfo()
1100 			orig_node->last_bonding_candidate = NULL;  in batadv_purge_orig_ifinfo()
1105 	spin_unlock_bh(&orig_node->neigh_list_lock);  in batadv_purge_orig_ifinfo()
1111  * batadv_purge_orig_neighbors() - purges neighbors from originator
1112  * @bat_priv: the bat priv with all the soft interface information
1113  * @orig_node: orig node which is to be checked
1127 	spin_lock_bh(&orig_node->neigh_list_lock);  in batadv_purge_orig_neighbors()
1131 				  &orig_node->neigh_list, list) {  in batadv_purge_orig_neighbors()
1132 		last_seen = neigh_node->last_seen;  in batadv_purge_orig_neighbors()
1133 		if_incoming = neigh_node->if_incoming;  in batadv_purge_orig_neighbors()
1136 		    if_incoming->if_status == BATADV_IF_INACTIVE ||  in batadv_purge_orig_neighbors()
1137 		    if_incoming->if_status == BATADV_IF_NOT_IN_USE ||  in batadv_purge_orig_neighbors()
1138 		    if_incoming->if_status == BATADV_IF_TO_BE_REMOVED) {  in batadv_purge_orig_neighbors()
1139 			if (if_incoming->if_status == BATADV_IF_INACTIVE ||  in batadv_purge_orig_neighbors()
1140 			    if_incoming->if_status == BATADV_IF_NOT_IN_USE ||  in batadv_purge_orig_neighbors()
1141 			    if_incoming->if_status == BATADV_IF_TO_BE_REMOVED)  in batadv_purge_orig_neighbors()
1144 					   orig_node->orig, neigh_node->addr,  in batadv_purge_orig_neighbors()
1145 					   if_incoming->net_dev->name);  in batadv_purge_orig_neighbors()
1149 					   orig_node->orig, neigh_node->addr,  in batadv_purge_orig_neighbors()
1154 			hlist_del_rcu(&neigh_node->list);  in batadv_purge_orig_neighbors()
1158 			 * deleted, but some interface has been removed.  in batadv_purge_orig_neighbors()
1164 	spin_unlock_bh(&orig_node->neigh_list_lock);  in batadv_purge_orig_neighbors()
1169  * batadv_find_best_neighbor() - finds the best neighbor after purging
1170  * @bat_priv: the bat priv with all the soft interface information
1171  * @orig_node: orig node which is to be checked
1172  * @if_outgoing: the interface for which the metric should be compared
1182 	struct batadv_algo_ops *bao = bat_priv->algo_ops;  in batadv_find_best_neighbor()
1185 	hlist_for_each_entry_rcu(neigh, &orig_node->neigh_list, list) {  in batadv_find_best_neighbor()
1186 		if (best && (bao->neigh.cmp(neigh, if_outgoing, best,  in batadv_find_best_neighbor()
1190 		if (!kref_get_unless_zero(&neigh->refcount))  in batadv_find_best_neighbor()
1204  * batadv_purge_orig_node() - purges obsolete information from an orig_node
1205  * @bat_priv: the bat priv with all the soft interface information
1206  * @orig_node: orig node which is to be checked
1220 	if (batadv_has_timed_out(orig_node->last_seen,  in batadv_purge_orig_node()
1224 			   orig_node->orig,  in batadv_purge_orig_node()
1225 			   jiffies_to_msecs(orig_node->last_seen));  in batadv_purge_orig_node()
1245 		if (hard_iface->if_status != BATADV_IF_ACTIVE)  in batadv_purge_orig_node()
1248 		if (hard_iface->soft_iface != bat_priv->soft_iface)  in batadv_purge_orig_node()
1251 		if (!kref_get_unless_zero(&hard_iface->refcount))  in batadv_purge_orig_node()
1270  * batadv_purge_orig_ref() - Purge all outdated originators
1271  * @bat_priv: the bat priv with all the soft interface information
1275 	struct batadv_hashtable *hash = bat_priv->orig_hash;  in batadv_purge_orig_ref()
1286 	for (i = 0; i < hash->size; i++) {  in batadv_purge_orig_ref()
1287 		head = &hash->table[i];  in batadv_purge_orig_ref()
1288 		list_lock = &hash->list_locks[i];  in batadv_purge_orig_ref()
1295 				hlist_del_rcu(&orig_node->hash_entry);  in batadv_purge_orig_ref()
1296 				batadv_tt_global_del_orig(orig_node->bat_priv,  in batadv_purge_orig_ref()
1297 							  orig_node, -1,  in batadv_purge_orig_ref()
1321 			   &bat_priv->orig_work,  in batadv_purge_orig()
1328  * batadv_orig_seq_print_text() - Print the originator table in a seq file
1336 	struct net_device *net_dev = (struct net_device *)seq->private;  in batadv_orig_seq_print_text()
1345 		   BATADV_SOURCE_VERSION, primary_if->net_dev->name,  in batadv_orig_seq_print_text()
1346 		   primary_if->net_dev->dev_addr, net_dev->name,  in batadv_orig_seq_print_text()
1347 		   bat_priv->algo_ops->name);  in batadv_orig_seq_print_text()
1351 	if (!bat_priv->algo_ops->orig.print) {  in batadv_orig_seq_print_text()
1357 	bat_priv->algo_ops->orig.print(bat_priv, seq, BATADV_IF_DEFAULT);  in batadv_orig_seq_print_text()
1363  * batadv_orig_hardif_seq_print_text() - writes originator infos for a specific
1364  *  outgoing interface
1372 	struct net_device *net_dev = (struct net_device *)seq->private;  in batadv_orig_hardif_seq_print_text()
1378 	if (!hard_iface || !hard_iface->soft_iface) {  in batadv_orig_hardif_seq_print_text()
1379 		seq_puts(seq, "Interface not known to B.A.T.M.A.N.\n");  in batadv_orig_hardif_seq_print_text()
1383 	bat_priv = netdev_priv(hard_iface->soft_iface);  in batadv_orig_hardif_seq_print_text()
1384 	if (!bat_priv->algo_ops->orig.print) {  in batadv_orig_hardif_seq_print_text()
1390 	if (hard_iface->if_status != BATADV_IF_ACTIVE) {  in batadv_orig_hardif_seq_print_text()
1391 		seq_puts(seq, "Interface not active\n");  in batadv_orig_hardif_seq_print_text()
1396 		   BATADV_SOURCE_VERSION, hard_iface->net_dev->name,  in batadv_orig_hardif_seq_print_text()
1397 		   hard_iface->net_dev->dev_addr,  in batadv_orig_hardif_seq_print_text()
1398 		   hard_iface->soft_iface->name, bat_priv->algo_ops->name);  in batadv_orig_hardif_seq_print_text()
1400 	bat_priv->algo_ops->orig.print(bat_priv, seq, hard_iface);  in batadv_orig_hardif_seq_print_text()
1410  * batadv_orig_dump() - Dump to netlink the originator infos for a specific
1411  *  outgoing interface
1419 	struct net *net = sock_net(cb->skb->sk);  in batadv_orig_dump()
1428 	ifindex = batadv_netlink_get_ifindex(cb->nlh, BATADV_ATTR_MESH_IFINDEX);  in batadv_orig_dump()
1430 		return -EINVAL;  in batadv_orig_dump()
1434 		ret = -ENODEV;  in batadv_orig_dump()
1441 	if (!primary_if || primary_if->if_status != BATADV_IF_ACTIVE) {  in batadv_orig_dump()
1442 		ret = -ENOENT;  in batadv_orig_dump()
1446 	hard_ifindex = batadv_netlink_get_ifindex(cb->nlh,  in batadv_orig_dump()
1454 			ret = -ENODEV;  in batadv_orig_dump()
1458 		if (hardif->soft_iface != soft_iface) {  in batadv_orig_dump()
1459 			ret = -ENOENT;  in batadv_orig_dump()
1464 	if (!bat_priv->algo_ops->orig.dump) {  in batadv_orig_dump()
1465 		ret = -EOPNOTSUPP;  in batadv_orig_dump()
1469 	bat_priv->algo_ops->orig.dump(msg, cb, bat_priv, hardif);  in batadv_orig_dump()
1471 	ret = msg->len;  in batadv_orig_dump()