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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3CBE7C32796 for ; Wed, 24 Aug 2022 15:21:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239057AbiHXPVJ (ORCPT ); Wed, 24 Aug 2022 11:21:09 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48304 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S238564AbiHXPVI (ORCPT ); Wed, 24 Aug 2022 11:21:08 -0400 Received: from mail-wm1-x332.google.com (mail-wm1-x332.google.com [IPv6:2a00:1450:4864:20::332]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 98EC772EED for ; Wed, 24 Aug 2022 08:21:05 -0700 (PDT) Received: by mail-wm1-x332.google.com with SMTP id d5so8930522wms.5 for ; Wed, 24 Aug 2022 08:21:05 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=6wind.com; s=google; h=content-transfer-encoding:in-reply-to:organization:from:references :cc:to:content-language:subject:reply-to:user-agent:mime-version :date:message-id:from:to:cc; bh=QNvm79OOQPbL0XIzyFu4UvOTyu1+5UwgVDjnZfGGBxQ=; b=TheTo66bZcyDf/KknhNsG4h9DflAb/b63gHhGs4HOHFysPqzsbdZhG7A0jySfDihMK bDWWJFNuHeDnGcmRRJiTnKSG6wdFg7U8s8ZT/VMYkdaSo+NJuIWPvmEB9f/vk9F1DoDq 1AO/rXd1xYzi+FEN4uSa5qgpYsHGhDD0b01fIRjZGYpe4tdot0sNeCTrxlv2nJoARkVM rgZjAufClfRaayT2ry+niEfEvknEOyAACdO8U0RfSLBhGRDjqwreXglL2EWguKKKm/nw 2tpDLhG/2zfI7ugoFTZRY6D0ciWFj5/VBe3Xs4LCLZNIR6RywMISUN7001NfURI8xDIl teOQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:in-reply-to:organization:from:references :cc:to:content-language:subject:reply-to:user-agent:mime-version :date:message-id:x-gm-message-state:from:to:cc; bh=QNvm79OOQPbL0XIzyFu4UvOTyu1+5UwgVDjnZfGGBxQ=; b=puotHJkwvwPMqt6dlElt7a6y1YSxVw5o204Gu4z+iNC1qgqkCmCOIfo2HdOtOJiucs 3M8PC5G14pNExxVIaCj4tQGYe485g8Zwal8/DoVVDFz+1JEcGXPN+bcCQSAhuupQO7bc 0BZm2h/BniuZeY1JXR8+hHKIG1jNxPyY0TFkabsowZEik9VCQURk1NdG1fSzF2bSlblj tfiZfETViNrpB11v9JJQYPzsyYMxNHXmRK7WdWG58gWjlqh9n3gWSvBbRYFu8fab8R09 /y0VvP3D+WQFMqvj1S9ixbrXNi0FjmK94tACHC0rGERDyyqbIx1uJM7QV+bb5sug7zJQ kbfw== X-Gm-Message-State: ACgBeo0Qs2wRpdo7o8+0V4jKDDRxcbVy5lIRo4cz02cqRPVMedAC+G5+ 5qAbnUfLh4HUziYcHSCD3wonajZolNlphw== X-Google-Smtp-Source: AA6agR6CWc6XnJWnr3tFe7Z1Wjdy3ph4MFxhIpMvdYeuK8OPIw/0QvFZVVkG5eDcHfGaQuICEGKWwQ== X-Received: by 2002:a05:600c:a49:b0:3a6:673a:2a9b with SMTP id c9-20020a05600c0a4900b003a6673a2a9bmr5487698wmq.3.1661354464174; Wed, 24 Aug 2022 08:21:04 -0700 (PDT) Received: from ?IPV6:2a01:e0a:b41:c160:f097:bc8b:5ea1:f211? ([2a01:e0a:b41:c160:f097:bc8b:5ea1:f211]) by smtp.gmail.com with ESMTPSA id f14-20020a5d568e000000b0021e4829d359sm16927261wrv.39.2022.08.24.08.21.03 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 24 Aug 2022 08:21:03 -0700 (PDT) Message-ID: <565cce1e-0890-dd35-7b26-362da2cde128@6wind.com> Date: Wed, 24 Aug 2022 17:21:02 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.11.0 Reply-To: nicolas.dichtel@6wind.com Subject: Re: [PATCH ipsec-next 3/3] xfrm: lwtunnel: add lwtunnel support for xfrm interfaces in collect_md mode Content-Language: en-US To: Eyal Birger , davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, steffen.klassert@secunet.com, herbert@gondor.apana.org.au, pablo@netfilter.org, contact@proelbtn.com, dsahern@kernel.org Cc: netdev@vger.kernel.org, bpf@vger.kernel.org, devel@linux-ipsec.org References: <20220823154557.1400380-1-eyal.birger@gmail.com> <20220823154557.1400380-4-eyal.birger@gmail.com> From: Nicolas Dichtel Organization: 6WIND In-Reply-To: <20220823154557.1400380-4-eyal.birger@gmail.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: bpf@vger.kernel.org Le 23/08/2022 à 17:45, Eyal Birger a écrit : > Allow specifying the xfrm interface if_id as part of a route metadata > using the lwtunnel infrastructure. > > This allows for example using a single xfrm interface in collect_md > mode as the target of multiple routes each specifying a different if_id. > > With the appropriate changes to iproute2, considering an xfrm device > ipsec1 in collect_md mode one can for example add a route specifying > an if_id like so: > > ip route add dev ipsec1 encap xfrm if_id 1 It would be nice to be able to specify the link also. It may help to combine this with vrf. Something like ip route add dev ipsec1 encap xfrm if_id 1 dev eth0