From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 00589C07E9D for ; Tue, 27 Sep 2022 11:15:35 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231949AbiI0LPe (ORCPT ); Tue, 27 Sep 2022 07:15:34 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60224 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231149AbiI0LPB (ORCPT ); Tue, 27 Sep 2022 07:15:01 -0400 Received: from szxga01-in.huawei.com (szxga01-in.huawei.com [45.249.212.187]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E9DCE4A103; Tue, 27 Sep 2022 04:14:57 -0700 (PDT) Received: from dggemv711-chm.china.huawei.com (unknown [172.30.72.54]) by szxga01-in.huawei.com (SkyGuard) with ESMTP id 4McH5D5RtfzpV4D; Tue, 27 Sep 2022 19:12:00 +0800 (CST) Received: from kwepemm600016.china.huawei.com (7.193.23.20) by dggemv711-chm.china.huawei.com (10.1.198.66) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.31; Tue, 27 Sep 2022 19:14:55 +0800 Received: from localhost.localdomain (10.69.192.56) by kwepemm600016.china.huawei.com (7.193.23.20) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.31; Tue, 27 Sep 2022 19:14:55 +0800 From: Guangbin Huang To: , CC: , , , , , , Subject: [PATCH net-next 1/4] net: hns3: refine the tcam key convert handle Date: Tue, 27 Sep 2022 19:12:02 +0800 Message-ID: <20220927111205.18060-2-huangguangbin2@huawei.com> X-Mailer: git-send-email 2.33.0 In-Reply-To: <20220927111205.18060-1-huangguangbin2@huawei.com> References: <20220927111205.18060-1-huangguangbin2@huawei.com> MIME-Version: 1.0 Content-Transfer-Encoding: 7BIT Content-Type: text/plain; charset=US-ASCII X-Originating-IP: [10.69.192.56] X-ClientProxiedBy: dggems705-chm.china.huawei.com (10.3.19.182) To kwepemm600016.china.huawei.com (7.193.23.20) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Jian Shen The expression '(k ^ ~v)' is exaclty '(k & v)', and '(k & v) & k' is exaclty 'k & v'. So simplify the expression for tcam key convert. It also add necessary brackets for them. Signed-off-by: Jian Shen Signed-off-by: Guangbin Huang --- .../net/ethernet/hisilicon/hns3/hns3pf/hclge_main.h | 11 +++-------- 1 file changed, 3 insertions(+), 8 deletions(-) diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.h b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.h index 495b639b0dc2..59bfacc687c9 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.h +++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.h @@ -827,15 +827,10 @@ struct hclge_vf_vlan_cfg { * Then for input key(k) and mask(v), we can calculate the value by * the formulae: * x = (~k) & v - * y = (k ^ ~v) & k + * y = k & v */ -#define calc_x(x, k, v) (x = ~(k) & (v)) -#define calc_y(y, k, v) \ - do { \ - const typeof(k) _k_ = (k); \ - const typeof(v) _v_ = (v); \ - (y) = (_k_ ^ ~_v_) & (_k_); \ - } while (0) +#define calc_x(x, k, v) ((x) = ~(k) & (v)) +#define calc_y(y, k, v) ((y) = (k) & (v)) #define HCLGE_MAC_STATS_FIELD_OFF(f) (offsetof(struct hclge_mac_stats, f)) #define HCLGE_STATS_READ(p, offset) (*(u64 *)((u8 *)(p) + (offset))) -- 2.33.0