aboutsummaryrefslogtreecommitdiffstats
path: root/net/batman-adv/originator.c
diff options
context:
space:
mode:
Diffstat (limited to 'net/batman-adv/originator.c')
-rw-r--r--net/batman-adv/originator.c73
1 files changed, 21 insertions, 52 deletions
diff --git a/net/batman-adv/originator.c b/net/batman-adv/originator.c
index d9a8e316c24..bdcb399329d 100644
--- a/net/batman-adv/originator.c
+++ b/net/batman-adv/originator.c
@@ -140,9 +140,8 @@ void orig_node_free_ref(struct kref *refcount)
void originator_free(struct bat_priv *bat_priv)
{
struct hashtable_t *hash = bat_priv->orig_hash;
- struct hlist_node *walk, *safe;
+ struct hlist_node *node, *node_tmp;
struct hlist_head *head;
- struct element_t *bucket;
spinlock_t *list_lock; /* spinlock to protect write access */
struct orig_node *orig_node;
int i;
@@ -160,11 +159,10 @@ void originator_free(struct bat_priv *bat_priv)
list_lock = &hash->list_locks[i];
spin_lock_bh(list_lock);
- hlist_for_each_entry_safe(bucket, walk, safe, head, hlist) {
- orig_node = bucket->data;
+ hlist_for_each_entry_safe(orig_node, node, node_tmp,
+ head, hash_entry) {
- hlist_del_rcu(walk);
- call_rcu(&bucket->rcu, bucket_free_rcu);
+ hlist_del_rcu(node);
kref_put(&orig_node->refcount, orig_node_free_ref);
}
spin_unlock_bh(list_lock);
@@ -174,18 +172,6 @@ void originator_free(struct bat_priv *bat_priv)
spin_unlock_bh(&bat_priv->orig_hash_lock);
}
-static void bucket_free_orig_rcu(struct rcu_head *rcu)
-{
- struct element_t *bucket;
- struct orig_node *orig_node;
-
- bucket = container_of(rcu, struct element_t, rcu);
- orig_node = bucket->data;
-
- kref_put(&orig_node->refcount, orig_node_free_ref);
- kfree(bucket);
-}
-
/* this function finds or creates an originator entry for the given
* address if it does not exits */
struct orig_node *get_orig_node(struct bat_priv *bat_priv, uint8_t *addr)
@@ -194,16 +180,9 @@ struct orig_node *get_orig_node(struct bat_priv *bat_priv, uint8_t *addr)
int size;
int hash_added;
- rcu_read_lock();
- orig_node = ((struct orig_node *)hash_find(bat_priv->orig_hash,
- compare_orig, choose_orig,
- addr));
- rcu_read_unlock();
-
- if (orig_node) {
- kref_get(&orig_node->refcount);
+ orig_node = orig_hash_find(bat_priv, addr);
+ if (orig_node)
return orig_node;
- }
bat_dbg(DBG_BATMAN, bat_priv,
"Creating new originator: %pM\n", addr);
@@ -245,8 +224,8 @@ struct orig_node *get_orig_node(struct bat_priv *bat_priv, uint8_t *addr)
if (!orig_node->bcast_own_sum)
goto free_bcast_own;
- hash_added = hash_add(bat_priv->orig_hash, compare_orig, choose_orig,
- orig_node);
+ hash_added = hash_add(bat_priv->orig_hash, compare_orig,
+ choose_orig, orig_node, &orig_node->hash_entry);
if (hash_added < 0)
goto free_bcast_own_sum;
@@ -346,9 +325,8 @@ static bool purge_orig_node(struct bat_priv *bat_priv,
static void _purge_orig(struct bat_priv *bat_priv)
{
struct hashtable_t *hash = bat_priv->orig_hash;
- struct hlist_node *walk, *safe;
+ struct hlist_node *node, *node_tmp;
struct hlist_head *head;
- struct element_t *bucket;
spinlock_t *list_lock; /* spinlock to protect write access */
struct orig_node *orig_node;
int i;
@@ -364,14 +342,14 @@ static void _purge_orig(struct bat_priv *bat_priv)
list_lock = &hash->list_locks[i];
spin_lock_bh(list_lock);
- hlist_for_each_entry_safe(bucket, walk, safe, head, hlist) {
- orig_node = bucket->data;
-
+ hlist_for_each_entry_safe(orig_node, node, node_tmp,
+ head, hash_entry) {
if (purge_orig_node(bat_priv, orig_node)) {
if (orig_node->gw_flags)
gw_node_delete(bat_priv, orig_node);
- hlist_del_rcu(walk);
- call_rcu(&bucket->rcu, bucket_free_orig_rcu);
+ hlist_del_rcu(node);
+ kref_put(&orig_node->refcount,
+ orig_node_free_ref);
continue;
}
@@ -411,9 +389,8 @@ int orig_seq_print_text(struct seq_file *seq, void *offset)
struct net_device *net_dev = (struct net_device *)seq->private;
struct bat_priv *bat_priv = netdev_priv(net_dev);
struct hashtable_t *hash = bat_priv->orig_hash;
- struct hlist_node *walk, *node;
+ struct hlist_node *node, *node_tmp;
struct hlist_head *head;
- struct element_t *bucket;
struct orig_node *orig_node;
struct neigh_node *neigh_node;
int batman_count = 0;
@@ -447,9 +424,7 @@ int orig_seq_print_text(struct seq_file *seq, void *offset)
head = &hash->table[i];
rcu_read_lock();
- hlist_for_each_entry_rcu(bucket, walk, head, hlist) {
- orig_node = bucket->data;
-
+ hlist_for_each_entry_rcu(orig_node, node, head, hash_entry) {
if (!orig_node->router)
continue;
@@ -468,7 +443,7 @@ int 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, node,
+ hlist_for_each_entry_rcu(neigh_node, node_tmp,
&orig_node->neigh_list, list) {
seq_printf(seq, " %pM (%3i)", neigh_node->addr,
neigh_node->tq_avg);
@@ -522,9 +497,8 @@ int orig_hash_add_if(struct batman_if *batman_if, int max_if_num)
{
struct bat_priv *bat_priv = netdev_priv(batman_if->soft_iface);
struct hashtable_t *hash = bat_priv->orig_hash;
- struct hlist_node *walk;
+ struct hlist_node *node;
struct hlist_head *head;
- struct element_t *bucket;
struct orig_node *orig_node;
int i, ret;
@@ -536,9 +510,7 @@ int orig_hash_add_if(struct batman_if *batman_if, int max_if_num)
head = &hash->table[i];
rcu_read_lock();
- hlist_for_each_entry_rcu(bucket, walk, head, hlist) {
- orig_node = bucket->data;
-
+ hlist_for_each_entry_rcu(orig_node, node, head, hash_entry) {
spin_lock_bh(&orig_node->ogm_cnt_lock);
ret = orig_node_add_if(orig_node, max_if_num);
spin_unlock_bh(&orig_node->ogm_cnt_lock);
@@ -614,9 +586,8 @@ int orig_hash_del_if(struct batman_if *batman_if, int max_if_num)
{
struct bat_priv *bat_priv = netdev_priv(batman_if->soft_iface);
struct hashtable_t *hash = bat_priv->orig_hash;
- struct hlist_node *walk;
+ struct hlist_node *node;
struct hlist_head *head;
- struct element_t *bucket;
struct batman_if *batman_if_tmp;
struct orig_node *orig_node;
int i, ret;
@@ -629,9 +600,7 @@ int orig_hash_del_if(struct batman_if *batman_if, int max_if_num)
head = &hash->table[i];
rcu_read_lock();
- hlist_for_each_entry_rcu(bucket, walk, head, hlist) {
- orig_node = bucket->data;
-
+ hlist_for_each_entry_rcu(orig_node, node, head, hash_entry) {
spin_lock_bh(&orig_node->ogm_cnt_lock);
ret = orig_node_del_if(orig_node, max_if_num,
batman_if->if_num);
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-30 18:00:31 +0000