[PATCH v2 19/20] rtlwifi: slight optimization of addr compare
From: Ding Tianhong
Date: Tue Dec 24 2013 - 06:30:20 EST
Use possibly more efficient ether_addr_equal_unaligned
instead of memcmp.
Cc: Larry Finger <Larry.Finger@xxxxxxxxxxxx>
Cc: Chaoming Li <chaoming_li@xxxxxxxxxxxxxx>
Cc: John W. Linville <linville@xxxxxxxxxxxxx>
Cc: linux-wireless@xxxxxxxxxxxxxxx
Cc: netdev@xxxxxxxxxxxxxxx
Cc: linux-kernel@xxxxxxxxxxxxxxx
Signed-off-by: Weilong Chen <chenweilong@xxxxxxxxxx>
Signed-off-by: Ding Tianhong <dingtianhong@xxxxxxxxxx>
---
drivers/net/wireless/rtlwifi/cam.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/net/wireless/rtlwifi/cam.c b/drivers/net/wireless/rtlwifi/cam.c
index 0e510f7..0276153 100644
--- a/drivers/net/wireless/rtlwifi/cam.c
+++ b/drivers/net/wireless/rtlwifi/cam.c
@@ -295,7 +295,7 @@ u8 rtl_cam_get_free_entry(struct ieee80211_hw *hw, u8 *sta_addr)
/* Does STA already exist? */
for (i = 4; i < TOTAL_CAM_ENTRY; i++) {
addr = rtlpriv->sec.hwsec_cam_sta_addr[i];
- if (memcmp(addr, sta_addr, ETH_ALEN) == 0)
+ if (ether_addr_equal_unaligned(addr, sta_addr))
return i;
}
/* Get a free CAM entry. */
@@ -335,7 +335,7 @@ void rtl_cam_del_entry(struct ieee80211_hw *hw, u8 *sta_addr)
addr = rtlpriv->sec.hwsec_cam_sta_addr[i];
bitmap = (rtlpriv->sec.hwsec_cam_bitmap) >> i;
if (((bitmap & BIT(0)) == BIT(0)) &&
- (memcmp(addr, sta_addr, ETH_ALEN) == 0)) {
+ (ether_addr_equal_unaligned(addr, sta_addr))) {
/* Remove from HW Security CAM */
eth_zero_addr(rtlpriv->sec.hwsec_cam_sta_addr[i]);
rtlpriv->sec.hwsec_cam_bitmap &= ~(BIT(0) << i);
--
1.8.0
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