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Diffstat (limited to 'net/batman-adv/originator.c')
-rw-r--r--net/batman-adv/originator.c59
1 files changed, 29 insertions, 30 deletions
diff --git a/net/batman-adv/originator.c b/net/batman-adv/originator.c
index 8c32cf1c2dec..96fb80b724dc 100644
--- a/net/batman-adv/originator.c
+++ b/net/batman-adv/originator.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 2009-2012 B.A.T.M.A.N. contributors:
+/* Copyright (C) 2009-2013 B.A.T.M.A.N. contributors:
*
* Marek Lindner, Simon Wunderlich
*
@@ -29,14 +29,10 @@
#include "soft-interface.h"
#include "bridge_loop_avoidance.h"
-static void batadv_purge_orig(struct work_struct *work);
+/* hash class keys */
+static struct lock_class_key batadv_orig_hash_lock_class_key;
-static void batadv_start_purge_timer(struct batadv_priv *bat_priv)
-{
- INIT_DELAYED_WORK(&bat_priv->orig_work, batadv_purge_orig);
- queue_delayed_work(batadv_event_workqueue,
- &bat_priv->orig_work, msecs_to_jiffies(1000));
-}
+static void batadv_purge_orig(struct work_struct *work);
/* returns 1 if they are the same originator */
static int batadv_compare_orig(const struct hlist_node *node, const void *data2)
@@ -57,7 +53,14 @@ int batadv_originator_init(struct batadv_priv *bat_priv)
if (!bat_priv->orig_hash)
goto err;
- batadv_start_purge_timer(bat_priv);
+ batadv_hash_set_lock_class(bat_priv->orig_hash,
+ &batadv_orig_hash_lock_class_key);
+
+ INIT_DELAYED_WORK(&bat_priv->orig_work, batadv_purge_orig);
+ queue_delayed_work(batadv_event_workqueue,
+ &bat_priv->orig_work,
+ msecs_to_jiffies(BATADV_ORIG_WORK_PERIOD));
+
return 0;
err:
@@ -115,7 +118,7 @@ out:
static void batadv_orig_node_free_rcu(struct rcu_head *rcu)
{
- struct hlist_node *node, *node_tmp;
+ struct hlist_node *node_tmp;
struct batadv_neigh_node *neigh_node, *tmp_neigh_node;
struct batadv_orig_node *orig_node;
@@ -131,7 +134,7 @@ static void batadv_orig_node_free_rcu(struct rcu_head *rcu)
}
/* for all neighbors towards this originator ... */
- hlist_for_each_entry_safe(neigh_node, node, node_tmp,
+ hlist_for_each_entry_safe(neigh_node, node_tmp,
&orig_node->neigh_list, list) {
hlist_del_rcu(&neigh_node->list);
batadv_neigh_node_free_ref(neigh_node);
@@ -158,7 +161,7 @@ void batadv_orig_node_free_ref(struct batadv_orig_node *orig_node)
void batadv_originator_free(struct batadv_priv *bat_priv)
{
struct batadv_hashtable *hash = bat_priv->orig_hash;
- struct hlist_node *node, *node_tmp;
+ struct hlist_node *node_tmp;
struct hlist_head *head;
spinlock_t *list_lock; /* spinlock to protect write access */
struct batadv_orig_node *orig_node;
@@ -176,10 +179,9 @@ void batadv_originator_free(struct batadv_priv *bat_priv)
list_lock = &hash->list_locks[i];
spin_lock_bh(list_lock);
- hlist_for_each_entry_safe(orig_node, node, node_tmp,
+ hlist_for_each_entry_safe(orig_node, node_tmp,
head, hash_entry) {
-
- hlist_del_rcu(node);
+ hlist_del_rcu(&orig_node->hash_entry);
batadv_orig_node_free_ref(orig_node);
}
spin_unlock_bh(list_lock);
@@ -272,7 +274,7 @@ batadv_purge_orig_neighbors(struct batadv_priv *bat_priv,
struct batadv_orig_node *orig_node,
struct batadv_neigh_node **best_neigh_node)
{
- struct hlist_node *node, *node_tmp;
+ struct hlist_node *node_tmp;
struct batadv_neigh_node *neigh_node;
bool neigh_purged = false;
unsigned long last_seen;
@@ -283,9 +285,8 @@ batadv_purge_orig_neighbors(struct batadv_priv *bat_priv,
spin_lock_bh(&orig_node->neigh_list_lock);
/* for all neighbors towards this originator ... */
- hlist_for_each_entry_safe(neigh_node, node, node_tmp,
+ hlist_for_each_entry_safe(neigh_node, node_tmp,
&orig_node->neigh_list, list) {
-
last_seen = neigh_node->last_seen;
if_incoming = neigh_node->if_incoming;
@@ -293,7 +294,6 @@ batadv_purge_orig_neighbors(struct batadv_priv *bat_priv,
(if_incoming->if_status == BATADV_IF_INACTIVE) ||
(if_incoming->if_status == BATADV_IF_NOT_IN_USE) ||
(if_incoming->if_status == BATADV_IF_TO_BE_REMOVED)) {
-
if ((if_incoming->if_status == BATADV_IF_INACTIVE) ||
(if_incoming->if_status == BATADV_IF_NOT_IN_USE) ||
(if_incoming->if_status == BATADV_IF_TO_BE_REMOVED))
@@ -348,7 +348,7 @@ static bool batadv_purge_orig_node(struct batadv_priv *bat_priv,
static void _batadv_purge_orig(struct batadv_priv *bat_priv)
{
struct batadv_hashtable *hash = bat_priv->orig_hash;
- struct hlist_node *node, *node_tmp;
+ struct hlist_node *node_tmp;
struct hlist_head *head;
spinlock_t *list_lock; /* spinlock to protect write access */
struct batadv_orig_node *orig_node;
@@ -363,13 +363,13 @@ static void _batadv_purge_orig(struct batadv_priv *bat_priv)
list_lock = &hash->list_locks[i];
spin_lock_bh(list_lock);
- hlist_for_each_entry_safe(orig_node, node, node_tmp,
+ hlist_for_each_entry_safe(orig_node, node_tmp,
head, hash_entry) {
if (batadv_purge_orig_node(bat_priv, orig_node)) {
if (orig_node->gw_flags)
batadv_gw_node_delete(bat_priv,
orig_node);
- hlist_del_rcu(node);
+ hlist_del_rcu(&orig_node->hash_entry);
batadv_orig_node_free_ref(orig_node);
continue;
}
@@ -393,7 +393,9 @@ static void batadv_purge_orig(struct work_struct *work)
delayed_work = container_of(work, struct delayed_work, work);
bat_priv = container_of(delayed_work, struct batadv_priv, orig_work);
_batadv_purge_orig(bat_priv);
- batadv_start_purge_timer(bat_priv);
+ queue_delayed_work(batadv_event_workqueue,
+ &bat_priv->orig_work,
+ msecs_to_jiffies(BATADV_ORIG_WORK_PERIOD));
}
void batadv_purge_orig_ref(struct batadv_priv *bat_priv)
@@ -406,7 +408,6 @@ int batadv_orig_seq_print_text(struct seq_file *seq, void *offset)
struct net_device *net_dev = (struct net_device *)seq->private;
struct batadv_priv *bat_priv = netdev_priv(net_dev);
struct batadv_hashtable *hash = bat_priv->orig_hash;
- struct hlist_node *node, *node_tmp;
struct hlist_head *head;
struct batadv_hard_iface *primary_if;
struct batadv_orig_node *orig_node;
@@ -432,7 +433,7 @@ int batadv_orig_seq_print_text(struct seq_file *seq, void *offset)
head = &hash->table[i];
rcu_read_lock();
- hlist_for_each_entry_rcu(orig_node, node, head, hash_entry) {
+ hlist_for_each_entry_rcu(orig_node, head, hash_entry) {
neigh_node = batadv_orig_node_get_router(orig_node);
if (!neigh_node)
continue;
@@ -451,7 +452,7 @@ int batadv_orig_seq_print_text(struct seq_file *seq, void *offset)
neigh_node->addr,
neigh_node->if_incoming->net_dev->name);
- hlist_for_each_entry_rcu(neigh_node_tmp, node_tmp,
+ hlist_for_each_entry_rcu(neigh_node_tmp,
&orig_node->neigh_list, list) {
seq_printf(seq, " %pM (%3i)",
neigh_node_tmp->addr,
@@ -509,7 +510,6 @@ int batadv_orig_hash_add_if(struct batadv_hard_iface *hard_iface,
{
struct batadv_priv *bat_priv = netdev_priv(hard_iface->soft_iface);
struct batadv_hashtable *hash = bat_priv->orig_hash;
- struct hlist_node *node;
struct hlist_head *head;
struct batadv_orig_node *orig_node;
uint32_t i;
@@ -522,7 +522,7 @@ int batadv_orig_hash_add_if(struct batadv_hard_iface *hard_iface,
head = &hash->table[i];
rcu_read_lock();
- hlist_for_each_entry_rcu(orig_node, node, head, hash_entry) {
+ hlist_for_each_entry_rcu(orig_node, head, hash_entry) {
spin_lock_bh(&orig_node->ogm_cnt_lock);
ret = batadv_orig_node_add_if(orig_node, max_if_num);
spin_unlock_bh(&orig_node->ogm_cnt_lock);
@@ -593,7 +593,6 @@ int batadv_orig_hash_del_if(struct batadv_hard_iface *hard_iface,
{
struct batadv_priv *bat_priv = netdev_priv(hard_iface->soft_iface);
struct batadv_hashtable *hash = bat_priv->orig_hash;
- struct hlist_node *node;
struct hlist_head *head;
struct batadv_hard_iface *hard_iface_tmp;
struct batadv_orig_node *orig_node;
@@ -607,7 +606,7 @@ int batadv_orig_hash_del_if(struct batadv_hard_iface *hard_iface,
head = &hash->table[i];
rcu_read_lock();
- hlist_for_each_entry_rcu(orig_node, node, head, hash_entry) {
+ hlist_for_each_entry_rcu(orig_node, head, hash_entry) {
spin_lock_bh(&orig_node->ogm_cnt_lock);
ret = batadv_orig_node_del_if(orig_node, max_if_num,
hard_iface->if_num);
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.