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Diffstat (limited to 'net/mac80211/mesh_pathtbl.c')
-rw-r--r--net/mac80211/mesh_pathtbl.c48
1 files changed, 22 insertions, 26 deletions
diff --git a/net/mac80211/mesh_pathtbl.c b/net/mac80211/mesh_pathtbl.c
index edf167e3b8f3..49aaefd99635 100644
--- a/net/mac80211/mesh_pathtbl.c
+++ b/net/mac80211/mesh_pathtbl.c
@@ -336,7 +336,7 @@ static void mesh_path_move_to_queue(struct mesh_path *gate_mpath,
}
-static struct mesh_path *path_lookup(struct mesh_table *tbl, u8 *dst,
+static struct mesh_path *mpath_lookup(struct mesh_table *tbl, u8 *dst,
struct ieee80211_sub_if_data *sdata)
{
struct mesh_path *mpath;
@@ -348,7 +348,7 @@ static struct mesh_path *path_lookup(struct mesh_table *tbl, u8 *dst,
hlist_for_each_entry_rcu(node, n, bucket, list) {
mpath = node->mpath;
if (mpath->sdata == sdata &&
- memcmp(dst, mpath->dst, ETH_ALEN) == 0) {
+ compare_ether_addr(dst, mpath->dst) == 0) {
if (MPATH_EXPIRED(mpath)) {
spin_lock_bh(&mpath->state_lock);
mpath->flags &= ~MESH_PATH_ACTIVE;
@@ -371,12 +371,12 @@ static struct mesh_path *path_lookup(struct mesh_table *tbl, u8 *dst,
*/
struct mesh_path *mesh_path_lookup(u8 *dst, struct ieee80211_sub_if_data *sdata)
{
- return path_lookup(rcu_dereference(mesh_paths), dst, sdata);
+ return mpath_lookup(rcu_dereference(mesh_paths), dst, sdata);
}
struct mesh_path *mpp_path_lookup(u8 *dst, struct ieee80211_sub_if_data *sdata)
{
- return path_lookup(rcu_dereference(mpp_paths), dst, sdata);
+ return mpath_lookup(rcu_dereference(mpp_paths), dst, sdata);
}
@@ -413,12 +413,6 @@ struct mesh_path *mesh_path_lookup_by_idx(int idx, struct ieee80211_sub_if_data
return NULL;
}
-static void mesh_gate_node_reclaim(struct rcu_head *rp)
-{
- struct mpath_node *node = container_of(rp, struct mpath_node, rcu);
- kfree(node);
-}
-
/**
* mesh_path_add_gate - add the given mpath to a mesh gate to our path table
* @mpath: gate path to add to table
@@ -479,7 +473,7 @@ static int mesh_gate_del(struct mesh_table *tbl, struct mesh_path *mpath)
if (gate->mpath == mpath) {
spin_lock_bh(&tbl->gates_lock);
hlist_del_rcu(&gate->list);
- call_rcu(&gate->rcu, mesh_gate_node_reclaim);
+ kfree_rcu(gate, rcu);
spin_unlock_bh(&tbl->gates_lock);
mpath->sdata->u.mesh.num_gates--;
mpath->is_gate = false;
@@ -523,7 +517,7 @@ int mesh_path_add(u8 *dst, struct ieee80211_sub_if_data *sdata)
int err = 0;
u32 hash_idx;
- if (memcmp(dst, sdata->vif.addr, ETH_ALEN) == 0)
+ if (compare_ether_addr(dst, sdata->vif.addr) == 0)
/* never add ourselves as neighbours */
return -ENOTSUPP;
@@ -559,12 +553,13 @@ int mesh_path_add(u8 *dst, struct ieee80211_sub_if_data *sdata)
hash_idx = mesh_table_hash(dst, sdata, tbl);
bucket = &tbl->hash_buckets[hash_idx];
- spin_lock_bh(&tbl->hashwlock[hash_idx]);
+ spin_lock(&tbl->hashwlock[hash_idx]);
err = -EEXIST;
hlist_for_each_entry(node, n, bucket, list) {
mpath = node->mpath;
- if (mpath->sdata == sdata && memcmp(dst, mpath->dst, ETH_ALEN) == 0)
+ if (mpath->sdata == sdata &&
+ compare_ether_addr(dst, mpath->dst) == 0)
goto err_exists;
}
@@ -575,7 +570,7 @@ int mesh_path_add(u8 *dst, struct ieee80211_sub_if_data *sdata)
mesh_paths_generation++;
- spin_unlock_bh(&tbl->hashwlock[hash_idx]);
+ spin_unlock(&tbl->hashwlock[hash_idx]);
read_unlock_bh(&pathtbl_resize_lock);
if (grow) {
set_bit(MESH_WORK_GROW_MPATH_TABLE, &ifmsh->wrkq_flags);
@@ -584,7 +579,7 @@ int mesh_path_add(u8 *dst, struct ieee80211_sub_if_data *sdata)
return 0;
err_exists:
- spin_unlock_bh(&tbl->hashwlock[hash_idx]);
+ spin_unlock(&tbl->hashwlock[hash_idx]);
read_unlock_bh(&pathtbl_resize_lock);
kfree(new_node);
err_node_alloc:
@@ -655,7 +650,7 @@ int mpp_path_add(u8 *dst, u8 *mpp, struct ieee80211_sub_if_data *sdata)
int err = 0;
u32 hash_idx;
- if (memcmp(dst, sdata->vif.addr, ETH_ALEN) == 0)
+ if (compare_ether_addr(dst, sdata->vif.addr) == 0)
/* never add ourselves as neighbours */
return -ENOTSUPP;
@@ -687,12 +682,13 @@ int mpp_path_add(u8 *dst, u8 *mpp, struct ieee80211_sub_if_data *sdata)
hash_idx = mesh_table_hash(dst, sdata, tbl);
bucket = &tbl->hash_buckets[hash_idx];
- spin_lock_bh(&tbl->hashwlock[hash_idx]);
+ spin_lock(&tbl->hashwlock[hash_idx]);
err = -EEXIST;
hlist_for_each_entry(node, n, bucket, list) {
mpath = node->mpath;
- if (mpath->sdata == sdata && memcmp(dst, mpath->dst, ETH_ALEN) == 0)
+ if (mpath->sdata == sdata &&
+ compare_ether_addr(dst, mpath->dst) == 0)
goto err_exists;
}
@@ -701,7 +697,7 @@ int mpp_path_add(u8 *dst, u8 *mpp, struct ieee80211_sub_if_data *sdata)
tbl->mean_chain_len * (tbl->hash_mask + 1))
grow = 1;
- spin_unlock_bh(&tbl->hashwlock[hash_idx]);
+ spin_unlock(&tbl->hashwlock[hash_idx]);
read_unlock_bh(&pathtbl_resize_lock);
if (grow) {
set_bit(MESH_WORK_GROW_MPP_TABLE, &ifmsh->wrkq_flags);
@@ -710,7 +706,7 @@ int mpp_path_add(u8 *dst, u8 *mpp, struct ieee80211_sub_if_data *sdata)
return 0;
err_exists:
- spin_unlock_bh(&tbl->hashwlock[hash_idx]);
+ spin_unlock(&tbl->hashwlock[hash_idx]);
read_unlock_bh(&pathtbl_resize_lock);
kfree(new_node);
err_node_alloc:
@@ -809,9 +805,9 @@ void mesh_path_flush_by_nexthop(struct sta_info *sta)
for_each_mesh_entry(tbl, p, node, i) {
mpath = node->mpath;
if (rcu_dereference(mpath->next_hop) == sta) {
- spin_lock_bh(&tbl->hashwlock[i]);
+ spin_lock(&tbl->hashwlock[i]);
__mesh_path_del(tbl, node);
- spin_unlock_bh(&tbl->hashwlock[i]);
+ spin_unlock(&tbl->hashwlock[i]);
}
}
read_unlock_bh(&pathtbl_resize_lock);
@@ -882,11 +878,11 @@ int mesh_path_del(u8 *addr, struct ieee80211_sub_if_data *sdata)
hash_idx = mesh_table_hash(addr, sdata, tbl);
bucket = &tbl->hash_buckets[hash_idx];
- spin_lock_bh(&tbl->hashwlock[hash_idx]);
+ spin_lock(&tbl->hashwlock[hash_idx]);
hlist_for_each_entry(node, n, bucket, list) {
mpath = node->mpath;
if (mpath->sdata == sdata &&
- memcmp(addr, mpath->dst, ETH_ALEN) == 0) {
+ compare_ether_addr(addr, mpath->dst) == 0) {
__mesh_path_del(tbl, node);
goto enddel;
}
@@ -895,7 +891,7 @@ int mesh_path_del(u8 *addr, struct ieee80211_sub_if_data *sdata)
err = -ENXIO;
enddel:
mesh_paths_generation++;
- spin_unlock_bh(&tbl->hashwlock[hash_idx]);
+ spin_unlock(&tbl->hashwlock[hash_idx]);
read_unlock_bh(&pathtbl_resize_lock);
return err;
}
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