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=-10.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,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 1440DFC6194 for ; Fri, 8 Nov 2019 11:39:46 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id D557120869 for ; Fri, 8 Nov 2019 11:39:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1573213185; bh=bxAO4w5X5zEmrbHOpKpbvHsXKjaiz0sk0Z5cc1tOT0Q=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=rMDTLhJ80U1lD5p+HGqwfRyBw8wmWBqYhEP6edTZJc1RuTKKyBxUMpOHRxx4IWyDv gEfDbak2tNz+V+f8fL0WutAU540SAKN9hW9rPHOm3ogHpzfQaCdnfpuEbTBFm5+TDV W7NSu6sdmz/pC4uu6rV0Qw72IapO6QJDh4BcgjZ8= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2387926AbfKHLjo (ORCPT ); Fri, 8 Nov 2019 06:39:44 -0500 Received: from mail.kernel.org ([198.145.29.99]:52608 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2387899AbfKHLjo (ORCPT ); Fri, 8 Nov 2019 06:39:44 -0500 Received: from sasha-vm.mshome.net (c-73-47-72-35.hsd1.nh.comcast.net [73.47.72.35]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id C344521D6C; Fri, 8 Nov 2019 11:39:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1573213183; bh=bxAO4w5X5zEmrbHOpKpbvHsXKjaiz0sk0Z5cc1tOT0Q=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=C+g3NQT14QfPk77ELNbBD1xl0kw8VbYnp/2xhjqYb12RkXejwPnexwWDPYXeTS1Uh GKRRfKJzk8KBvT5XQe0GTzNJJzgStjilahwLsS+lR/4bmxepTRUR4sBVdez3I8lIBx I6SI93XQA1aMvT+pqEalHTbDM3CLYzxx1PLfQOro= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Yunsheng Lin , Peng Li , Salil Mehta , "David S . Miller" , Sasha Levin , netdev@vger.kernel.org Subject: [PATCH AUTOSEL 4.19 074/205] net: hns3: Change the dst mac addr of loopback packet Date: Fri, 8 Nov 2019 06:35:41 -0500 Message-Id: <20191108113752.12502-74-sashal@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20191108113752.12502-1-sashal@kernel.org> References: <20191108113752.12502-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Yunsheng Lin [ Upstream commit 7f7d9e501f4123e64b130576621d24f9379adc8f ] 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 Signed-off-by: David S. Miller Signed-off-by: Sasha Levin --- 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 5bdcd92d86122..0c34ea1223580 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); -- 2.20.1