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Commit 4f29739b authored by dingtianhong's avatar dingtianhong Committed by David S. Miller
Browse files

rtlwifi: slight optimization of addr compare 



Use possibly more efficient ether_addr_equal_unaligned
instead of memcmp.

Cc: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Chaoming Li <chaoming_li@realsil.com.cn>
Cc: John W. Linville <linville@tuxdriver.com>
Cc: linux-wireless@vger.kernel.org
Cc: netdev@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: default avatarWeilong Chen <chenweilong@huawei.com>
Signed-off-by: default avatarDing Tianhong <dingtianhong@huawei.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent fcad7668

drivers/net/wireless/rtlwifi/cam.c

+2 −2
Original line number Diff line number Diff line
@@ -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);