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=-14.2 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_SANE_1 autolearn=unavailable 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 8A3C1C48BDF for ; Thu, 10 Jun 2021 17:25:21 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 62D1A613E9 for ; Thu, 10 Jun 2021 17:25:21 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230365AbhFJR1Q (ORCPT ); Thu, 10 Jun 2021 13:27:16 -0400 Received: from mail-wm1-f54.google.com ([209.85.128.54]:56133 "EHLO mail-wm1-f54.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230113AbhFJR1P (ORCPT ); Thu, 10 Jun 2021 13:27:15 -0400 Received: by mail-wm1-f54.google.com with SMTP id g204so6611970wmf.5; Thu, 10 Jun 2021 10:25:18 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=subject:to:cc:references:from:message-id:date:user-agent :mime-version:in-reply-to:content-language:content-transfer-encoding; bh=gHUSjbESYNfD7sG28gBLSykvdruQjgsFLHrNm+2HmfQ=; b=emflGDuQWMyQVmaReahmSphhsN3tGq/01vqu6RyLp5Axnm+528aJAiwHnxjq+x+799 cmpg+bS8CflQUI6AO1f5ERbbfejwjnAFrpDyUXsJ/K5CvPIshDAZfh03ia6DUXm84Mbn GEEeIKPyy0hH73WIJtWFc7G49QT9mQHthBxWLQqBtM0VNmpqXZF4H/fChX+dBKA6D1xi GPcQloo24VIQ2z7F7nmAW6GdD83xhxL9IPoBN++47/8QwVt51XPKb1kfwdDQS6QN2B75 cG3/Hgfpp8hebVs5paQ+r9s1wzuCiH1cRWyvlV8WiL40nrtSEJw2FDXoFpzPA95dbeGK hGwA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:cc:references:from:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=gHUSjbESYNfD7sG28gBLSykvdruQjgsFLHrNm+2HmfQ=; b=JfmynvajxoWxnUzv4bZIIIm3ElGokr4EZJmZKFZg1OrcsuNBthfUzgiARBPulWO7Ml 9DLuLZgJA7K3DPMkOqKGvgYDgFsHeH4wn06JcCB0snqd4EB20dOoKWnJPPsKczapS/xg sG3oC5QLfhRkn1SxLgqpePjSGYLTcoP5dHFqv4Yx8uIgMJeftlIvE8b5cVjjVp4I1PT+ 5l8UNJW/Od2UWuxiN1Yuo49BJ3VdN0gyDgL1iUoR9RXSSSvxlVCfTyIAo19GrV/24SSE ZX7mDS0zeeCZapYxPxEIq/eYSy4+uAa8f4Vpy4jK0ReQ2i9k674Uy8ugIWbPijSzv7q4 FpwA== X-Gm-Message-State: AOAM532gkjkiqD0iskan4386ysIsIexJeYK56seypHQlKQeNkaP2WxQf p9jZQttaCdkmz8OYS73pG9qbfipujTAq8g== X-Google-Smtp-Source: ABdhPJywlX06vBk6jltAnNjUFb5g1wiIIz5kiuW5Yo4w+tKby+/h5S0v09iWGBmzSvqcqV5BUF+rdA== X-Received: by 2002:a05:600c:3514:: with SMTP id h20mr3816566wmq.70.1623345857699; Thu, 10 Jun 2021 10:24:17 -0700 (PDT) Received: from [192.168.181.98] (228.18.23.93.rev.sfr.net. [93.23.18.228]) by smtp.gmail.com with ESMTPSA id x125sm4033996wmg.37.2021.06.10.10.24.16 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 10 Jun 2021 10:24:17 -0700 (PDT) Subject: Re: [PATCH v7 bpf-next 01/11] net: Introduce net.ipv4.tcp_migrate_req. To: Kuniyuki Iwashima , "David S . Miller" , Jakub Kicinski , Eric Dumazet , Alexei Starovoitov , Daniel Borkmann , Andrii Nakryiko , Martin KaFai Lau Cc: Benjamin Herrenschmidt , Kuniyuki Iwashima , bpf@vger.kernel.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org References: <20210521182104.18273-1-kuniyu@amazon.co.jp> <20210521182104.18273-2-kuniyu@amazon.co.jp> From: Eric Dumazet Message-ID: <3a9ecbe4-fe7e-1acf-36b7-1f999f8f01d6@gmail.com> Date: Thu, 10 Jun 2021 19:24:14 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.10.0 MIME-Version: 1.0 In-Reply-To: <20210521182104.18273-2-kuniyu@amazon.co.jp> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org On 5/21/21 8:20 PM, Kuniyuki Iwashima wrote: > This commit adds a new sysctl option: net.ipv4.tcp_migrate_req. If this > option is enabled or eBPF program is attached, we will be able to migrate > child sockets from a listener to another in the same reuseport group after > close() or shutdown() syscalls. > > Signed-off-by: Kuniyuki Iwashima > Reviewed-by: Benjamin Herrenschmidt > Acked-by: Martin KaFai Lau > --- > Documentation/networking/ip-sysctl.rst | 25 +++++++++++++++++++++++++ > include/net/netns/ipv4.h | 1 + > net/ipv4/sysctl_net_ipv4.c | 9 +++++++++ > 3 files changed, 35 insertions(+) Reviewed-by: Eric Dumazet