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authorFelix Fietkau <nbd@openwrt.org>2012-03-01 18:22:09 +0400
committerJohn W. Linville <linville@tuxdriver.com>2012-03-06 00:38:31 +0400
commit888d04dfbe7e09f930fdaafb257cce2c54c9c3f3 (patch)
treecdf0c4d4008860fd91db31bcc620a8ecd3d95bc1 /net/mac80211/mesh_pathtbl.c
parent4d196e4b2ffd734393b54f351507462f19d737b5 (diff)
downloadlinux-888d04dfbe7e09f930fdaafb257cce2c54c9c3f3.tar.xz
mac80211: use compare_ether_addr on MAC addresses instead of memcmp
Because of the constant size and guaranteed 16 bit alignment, the inline compare_ether_addr function is much cheaper than calling memcmp. Signed-off-by: Felix Fietkau <nbd@openwrt.org> Acked-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'net/mac80211/mesh_pathtbl.c')
-rw-r--r--net/mac80211/mesh_pathtbl.c14
1 files changed, 8 insertions, 6 deletions
diff --git a/net/mac80211/mesh_pathtbl.c b/net/mac80211/mesh_pathtbl.c
index dc51669e67d8..157642f780b9 100644
--- a/net/mac80211/mesh_pathtbl.c
+++ b/net/mac80211/mesh_pathtbl.c
@@ -348,7 +348,7 @@ static struct mesh_path *mpath_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;
@@ -523,7 +523,7 @@ 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;
@@ -564,7 +564,8 @@ int mesh_path_add(u8 *dst, struct ieee80211_sub_if_data *sdata)
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;
}
@@ -655,7 +656,7 @@ 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;
@@ -692,7 +693,8 @@ int mpp_path_add(u8 *dst, u8 *mpp, struct ieee80211_sub_if_data *sdata)
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;
}
@@ -886,7 +888,7 @@ int mesh_path_del(u8 *addr, struct ieee80211_sub_if_data *sdata)
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;
}