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=-6.6 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED autolearn=no 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 34A50C55178 for ; Fri, 6 Nov 2020 09:24:25 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id BF4A72087E for ; Fri, 6 Nov 2020 09:24:24 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="SYffHKY7" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726638AbgKFJYX (ORCPT ); Fri, 6 Nov 2020 04:24:23 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52268 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726201AbgKFJYX (ORCPT ); Fri, 6 Nov 2020 04:24:23 -0500 Received: from mail-qk1-x743.google.com (mail-qk1-x743.google.com [IPv6:2607:f8b0:4864:20::743]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 34D20C0613CF for ; Fri, 6 Nov 2020 01:24:23 -0800 (PST) Received: by mail-qk1-x743.google.com with SMTP id x20so496871qkn.1 for ; Fri, 06 Nov 2020 01:24:23 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to; bh=rsUq3mjhDjY2VoujXVIXpG1O4aqIK/QbGWtOKJXDTVU=; b=SYffHKY7io7q4FNHBDmlfjLZAKdsr5WeFLpP9WFvuvYk5wsRNJaGk90RwU80krCpal ktTjElSGMJK/yr98Gjdrd55YRmqVvhWPmftqE1QacjhoKf8cUMhxXG/7OqWBbBfjGEbt KfrcrFN4ZISSwvLFMNdLAm2IEarWyFRz2sMa2HApg1EXVdc5txAOPkFqLUaDBTplVIoo sMV+lzOiihv8fVUwaEd9CjwUJKtUoAIe0TMqyxDdGPZGC+sjtwrlPFYf+TS6EbvfEOuA c5BkM23lik4jj/5JsyFT4cJFv+y7XjiFG1QNlTSeFS63V3IXFc52o+RZ5K8VJ/n0Cevr 0+qQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=rsUq3mjhDjY2VoujXVIXpG1O4aqIK/QbGWtOKJXDTVU=; b=fqcFJEnj65HTOpvDR6NDVBGbRIFi/Ph4j75I6ZgXCuxJS6TWhAlxEN7IafwP7tGLag LuDalhIpOhHpfIxsrjqWga1xoJDYeWmUVu2EPhmuygeR09qjc8yYOlcO3ua4lPdqfQqt eEoaqUlVtb6PVy3asStBc1uW9pWfIB5WE7YDKE0/UEtpTWbrBp9+odPOYhM+jhk271s4 +xJaMCAY5/fHI2YzYgvJHnYrraXoC3eu355VxECiSxzB65SmZoStRbo2vgouWQ66xvZs AAFB/XzvHeuHQotWQ//EUIftXRwQG6nlrhMtL0YCj221E8CfDQOshbnKQSz1Fm+6KO83 y93A== X-Gm-Message-State: AOAM531MnzmEJmyNiK6RgwUEM6iG6/APwgNKypRKqp53UDEa0n22IaFF +hJ2Fxab9FXs5KrRvBtxtVxs57gYv96EJA== X-Google-Smtp-Source: ABdhPJwYTtCvtsF0k3gX7V6QegcfgSaSn0A9/rWe5qawsdwfg3nwfZIEIDoYj0UVq+k0OAAuakaH5w== X-Received: by 2002:a37:4f0b:: with SMTP id d11mr679453qkb.74.1604654662481; Fri, 06 Nov 2020 01:24:22 -0800 (PST) Received: from localhost.localdomain ([177.220.172.74]) by smtp.gmail.com with ESMTPSA id a3sm243672qtp.63.2020.11.06.01.24.21 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 06 Nov 2020 01:24:21 -0800 (PST) Received: by localhost.localdomain (Postfix, from userid 1000) id 9BF70C1B80; Fri, 6 Nov 2020 06:24:19 -0300 (-03) Date: Fri, 6 Nov 2020 06:24:19 -0300 From: Marcelo Ricardo Leitner To: wenxu@ucloud.cn Cc: kuba@kernel.org, dcaratti@redhat.com, netdev@vger.kernel.org Subject: Re: [PATCH v4 net-next 2/2] net/sched: act_frag: add implict packet fragment support. Message-ID: <20201106092419.GB3555@localhost.localdomain> References: <1604654056-24654-1-git-send-email-wenxu@ucloud.cn> <1604654056-24654-2-git-send-email-wenxu@ucloud.cn> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1604654056-24654-2-git-send-email-wenxu@ucloud.cn> Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org On Fri, Nov 06, 2020 at 05:14:16PM +0800, wenxu@ucloud.cn wrote: > From: wenxu > > Currently kernel tc subsystem can do conntrack in act_ct. But when several > fragment packets go through the act_ct, function tcf_ct_handle_fragments > will defrag the packets to a big one. But the last action will redirect > mirred to a device which maybe lead the reassembly big packet over the mtu > of target device. > > This patch add support for a xmit hook to mirred, that gets executed before > xmiting the packet. Then, when act_ct gets loaded, it configs that hook. > The frag xmit hook maybe reused by other modules. > > Signed-off-by: wenxu Acked-by: Marcelo Ricardo Leitner Thanks wenxu.