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=-4.1 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS 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 90CA3C43381 for ; Sun, 3 Mar 2019 16:42:27 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 5DBEC206DD for ; Sun, 3 Mar 2019 16:42:27 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="N0GRNG4L" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726428AbfCCQmY (ORCPT ); Sun, 3 Mar 2019 11:42:24 -0500 Received: from mail-pg1-f195.google.com ([209.85.215.195]:43603 "EHLO mail-pg1-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726382AbfCCQmX (ORCPT ); Sun, 3 Mar 2019 11:42:23 -0500 Received: by mail-pg1-f195.google.com with SMTP id l11so1322825pgq.10; Sun, 03 Mar 2019 08:42:23 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=subject:to:references:from:message-id:date:user-agent:mime-version :in-reply-to:content-language:content-transfer-encoding; bh=s61eGubyBxFLA3ryAqqM7EMWO8TEI3XoBYevidbBmt4=; b=N0GRNG4LQXqPfcYYP+Ugfea//v+AAcin1w/J3heVX5yY1L1jslH/8NGG/WT+Wn2nUf fGriTgc1lx7k0zIu5SPtO/hkyfOfwTPB0IZbbBn/l6LSck43v3WUT9NQUAHfleNfW6Ex FskWq2ntFSW91yDcClr1xBENxunaWTqmVp4izUsAsFWCvyl3P3jGfzbXhjJLEsMboZwr HQyETRFeoIN3p9DyfBYuYnEnET8EqK5wNFvluXZZyVRvaDU1uF8lPgYUOZVGV/iRDKHM vJD/6KPDp+DgaPgrUIyZJm/YT+enUO4QENcmtCK3N1keiK3J+D22cldrBNpHZyVdhy2p Smsg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:references:from:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=s61eGubyBxFLA3ryAqqM7EMWO8TEI3XoBYevidbBmt4=; b=s4WzNGyce4bmhfgK7Fo5x6BAUjgfnK/avkvDS5CUMqWnu9xUZDvM/QLztW9IZjQi3R JYcXc7xU5pQzc1vA+X/GSp/p2tejXfXqp29PT3DVRoadmZ6X91EaASFekd5GDLLQyJdt b0PqteKQGNeKevwZLOJ3Ps7Qti78BAucfnGqaL48bebf44+XETHBrxSjU+0o1K6UGEsN Z1e9HoKdyzVhQfHMgj5t4azjFykbwdLRUMJI7nEryiV9AyTfe1fHuPIz1SsPgB2xNi7G Fi+kdv4v9hntJsmTEd8B1EzSXEpOBPiEWcR0cPAvZ4jb9tm4KJjdeToHSMVPo/m7h1X3 41rg== X-Gm-Message-State: APjAAAU4vMAJMqCY0LgDPRzy+KrlP2fBxfeDUZlRZeOFRRem6RtDmFPl 5zHAzNsJMESrTTPH72qh6zlY8Uqw X-Google-Smtp-Source: APXvYqyth9B/ud2FaD6fXLykuqazQVDIGoCvkbHTR5Rbmwe4AfRN9KswigyQei2qQ425VJz0pcrEQw== X-Received: by 2002:a63:2d5:: with SMTP id 204mr14171893pgc.407.1551631342623; Sun, 03 Mar 2019 08:42:22 -0800 (PST) Received: from ?IPv6:2601:282:800:fd80:89ab:3257:fcc8:dd7e? ([2601:282:800:fd80:89ab:3257:fcc8:dd7e]) by smtp.googlemail.com with ESMTPSA id q7sm7323086pfa.119.2019.03.03.08.42.20 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Sun, 03 Mar 2019 08:42:21 -0800 (PST) Subject: Re: [PATCH] net: ipv6: add socket option IPV6_ROUTER_ALERT_ISOLATE To: Francesco Ruggeri , yoshfuji@linux-ipv6.org, kuznet@ms2.inr.ac.ru, davem@davemloft.net, maxim@arista.com, linux-kernel@vger.kernel.org, netdev@vger.kernel.org References: <20190301233103.B4EE095C2D16@us180.sjc.aristanetworks.com> From: David Ahern Message-ID: <78f99c4f-ac7b-4569-b3c3-bacc191e6bbd@gmail.com> Date: Sun, 3 Mar 2019 09:42:19 -0700 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.14; rv:52.0) Gecko/20100101 Thunderbird/52.9.1 MIME-Version: 1.0 In-Reply-To: <20190301233103.B4EE095C2D16@us180.sjc.aristanetworks.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org On 3/1/19 4:31 PM, Francesco Ruggeri wrote: > By default IPv6 socket with IPV6_ROUTER_ALERT socket option set will > receive all IPv6 RA packets from all namespaces. > IPV6_ROUTER_ALERT_ISOLATE socket option restricts packets received by > the socket to be only from the socket's namespace. > > Signed-off-by: Maxim Martynov > Signed-off-by: Francesco Ruggeri > --- > include/linux/ipv6.h | 3 ++- > include/uapi/linux/in6.h | 1 + > net/ipv6/ip6_output.c | 6 ++++++ > net/ipv6/ipv6_sockglue.c | 10 ++++++++++ > 4 files changed, 19 insertions(+), 1 deletion(-) > Reviewed-by: David Ahern