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 X-Spam-Level: X-Spam-Status: No, score=-2.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id AD7D5C43334 for ; Mon, 3 Sep 2018 10:23:50 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 6CDF120867 for ; Mon, 3 Sep 2018 10:23:50 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 6CDF120867 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=huawei.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728008AbeICOmz (ORCPT ); Mon, 3 Sep 2018 10:42:55 -0400 Received: from szxga05-in.huawei.com ([45.249.212.191]:11221 "EHLO huawei.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1727991AbeICOmx (ORCPT ); Mon, 3 Sep 2018 10:42:53 -0400 Received: from DGGEMS401-HUB.china.huawei.com (unknown [172.30.72.58]) by Forcepoint Email with ESMTP id 69E09E97681F4; Mon, 3 Sep 2018 18:23:19 +0800 (CST) Received: from S00293818-DELL1.china.huawei.com (10.202.226.54) by DGGEMS401-HUB.china.huawei.com (10.3.19.201) with Microsoft SMTP Server id 14.3.399.0; Mon, 3 Sep 2018 18:23:15 +0800 From: Salil Mehta To: CC: , , , , , , , Yunsheng Lin Subject: [PATCH net-next 09/11] net: hns3: Change the dst mac addr of loopback packet Date: Mon, 3 Sep 2018 11:21:54 +0100 Message-ID: <20180903102156.18676-10-salil.mehta@huawei.com> X-Mailer: git-send-email 2.8.3 In-Reply-To: <20180903102156.18676-1-salil.mehta@huawei.com> References: <20180903102156.18676-1-salil.mehta@huawei.com> MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [10.202.226.54] X-CFilter-Loop: Reflected Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Yunsheng Lin Currently, the dst mac addr of loopback packet is the same as the host' mac addr, the SSU component may loop back the packet to host before the packet reaches mac or serdes, which will defect the purpose of mac or serdes selftest. This patch changes it by adding 0x1f to the last byte of dst mac addr. Signed-off-by: Yunsheng Lin Signed-off-by: Peng Li Signed-off-by: Salil Mehta --- drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c b/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c index 7143e39..dfce76e 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c @@ -137,6 +137,7 @@ static void hns3_lp_setup_skb(struct sk_buff *skb) packet = skb_put(skb, HNS3_NIC_LB_TEST_PACKET_SIZE); memcpy(ethh->h_dest, ndev->dev_addr, ETH_ALEN); + ethh->h_dest[5] += 0x1f; eth_zero_addr(ethh->h_source); ethh->h_proto = htons(ETH_P_ARP); skb_reset_mac_header(skb); -- 2.7.4