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=-7.2 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, MENTIONS_GIT_HOSTING,SPF_PASS,URIBL_BLOCKED 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 DDD0EC282C3 for ; Tue, 22 Jan 2019 18:42:40 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id AE9B821019 for ; Tue, 22 Jan 2019 18:42:40 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=cloudflare.com header.i=@cloudflare.com header.b="hsLeK+2d" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726326AbfAVSmk (ORCPT ); Tue, 22 Jan 2019 13:42:40 -0500 Received: from mail-qt1-f194.google.com ([209.85.160.194]:45836 "EHLO mail-qt1-f194.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725988AbfAVSmj (ORCPT ); Tue, 22 Jan 2019 13:42:39 -0500 Received: by mail-qt1-f194.google.com with SMTP id e5so28725551qtr.12 for ; Tue, 22 Jan 2019 10:42:39 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=cloudflare.com; s=google; h=mime-version:from:date:message-id:subject:to:cc; bh=08Wj4jzujoRaCdhcquKeC9EWSUlKpwopNzHpXUyl8ZY=; b=hsLeK+2d9Bop/YnyqkkuFTkUpDtFOThEDgfT6KhCOVkeMPZCQbgKPQ1eJ+lQRKvI7k uDhpywArlOAA2QfTOhZSKM82yupBNUARPxNR3ymLqWJLQ0+KXz+pJirLFMoPEPcMTTxg dBYiRcJ+d7VvDRGL2U8y9pE9GziyyvDVZi5Ag= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:from:date:message-id:subject:to:cc; bh=08Wj4jzujoRaCdhcquKeC9EWSUlKpwopNzHpXUyl8ZY=; b=CyMwlKMn8qGyCWK6JMszK+sR0A+0yn9QOMOzY0oTep9marmg70QIkzZ7ER8qg7j3u/ tXu5rVJ+/d1MCqwrGOwpbNUcTnFzul/gfPxXHyY07RxzgwDcMY2amvH0z7v9LGcLcPBP QX729el/3FCPp0KmmX7xYXoJFdbilUfZyquwWmBY/wGIvNILLZa6XhbgEp2QeqS1loPa wrt1thlSnB39oMO4Xy4R5vQAoMCb5sKW+OxKRHW5ovCL+u8zwzXrNYZtIyg+RhNrL2o+ QNP9BwWYzE/wch5qfGwhzNQ7LsHxEFMt0VD7E6LrqeIK+Us2S8y0OBcNO0mCr1nBHvkv WNMA== X-Gm-Message-State: AJcUukfZy7qu1MUOkOnHAhWzUwRYnqHvAGhzr/ee0Tv7bRPwsAkMG1+D Gg8gqrugY/I32xzsADR1aLvDUWSEe95/y3t2HVwEWjD7G18= X-Google-Smtp-Source: ALg8bN63uzAiQnoXsAPp9qPACzo+TyGEDAE4vc1WQGgbb71Avl7CKPKCU7JYzlOcEHjXRwjKLGbz9wm/ZybTNUzRU1k= X-Received: by 2002:ac8:2472:: with SMTP id d47mr32250351qtd.7.1548182558492; Tue, 22 Jan 2019 10:42:38 -0800 (PST) MIME-Version: 1.0 From: Ivan Babrou Date: Tue, 22 Jan 2019 10:42:27 -0800 Message-ID: Subject: net/mlx5e: Force CHECKSUM_UNNECESSARY for short ethernet frames for 4.19.17 To: stable@vger.kernel.org Cc: Ignat Korchagin , xiyou.wangcong@gmail.com, edumazet@google.com, tariqt@mellanox.com, nikola.ciprich@linuxbox.cz, saeedm@mellanox.com Content-Type: text/plain; charset="UTF-8" Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org Hey, This issue on 4.19 makes us sad: * https://bugzilla.kernel.org/show_bug.cgi?id=201849 * https://www.mail-archive.com/netdev@vger.kernel.org/msg253346.html Luckily, fix for this landed in v5.0-rc3: * https://patchwork.ozlabs.org/patch/1027838/ It doesn't apply cleanly on v4.19.16, so I made a backported version: * https://github.com/bobrik/linux/commit/1c7cbb3cb62cf This fixed the issue for us and we'd like to have the fix included in v4.19.17 in some way. There are four patches in the series applied to v5.0-rc3, I'm not sure if others need to be backported as well. Thanks!