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=-2.1 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_SANE_1 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 B0155C2D0D4 for ; Mon, 23 Dec 2019 08:11:03 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 83DDD206D3 for ; Mon, 23 Dec 2019 08:11:03 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="oPR8gtN4" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1725927AbfLWILC (ORCPT ); Mon, 23 Dec 2019 03:11:02 -0500 Received: from mail-pf1-f193.google.com ([209.85.210.193]:38262 "EHLO mail-pf1-f193.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725855AbfLWILC (ORCPT ); Mon, 23 Dec 2019 03:11:02 -0500 Received: by mail-pf1-f193.google.com with SMTP id x185so8797751pfc.5 for ; Mon, 23 Dec 2019 00:11:01 -0800 (PST) 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=2bSqIAYVkUGw1FuYUHp3ClWTGIYLyIjue2aBTC7xtrA=; b=oPR8gtN4ZyTBb2mrlDbZ2vTUxpRoO1LW6G9nepQUNX6Hxwm9xpVV7CiDlS2x7EM/GD drf8/T2Zod3eO4J1+JGme9k8QKztsVr7RQee3TllowWSAchVSZqd00WrdWK/ECzWlNGe hci29Hv7UGlBi/qKisifNWKwyXMwyGrcXfrjmk1jEjiJ/qinvDXLbgQB7nUtQJUv8wTe JsXmuKDekMh+8/hnj19/WmFn0C0BF03AJT4WreY45u4fg0vkY6wAIKd65e7IfFIVY40k 3bS0If0rwHW0zTijYB1X7uD+iTusc4NGxWmgsNABAaq6PO66Qu9Z6EYlRPFCLq/a7/Tk 7ORg== 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=2bSqIAYVkUGw1FuYUHp3ClWTGIYLyIjue2aBTC7xtrA=; b=h52wtwRbFf1/RcNVQGBKln9wqHi2C3YG2uZ3uO9V9LAsk4SnLgTRGIZuwNSjQoM2T4 mspQR6GwTe2weesdxiYg1MUhl79WK9E2buU5cH6lt0GZEmP2GJQ8TqjWrPCz6MdhAWFo D9mKqU8qm/xGY7dfy81Y7ooYx7mKJO2KH3l42uZHjSfy3WYM2xOzHLPIA7nvvGq8wInG KxRDlNyHGRFzhzKzyjVVqtMwE8JKnIUydxpD7fEANDYUuBg41m5hI8UJgAwpal10ue2S cMqld4Y3B9ImEh+tmADaaFLYsz+nIN9X0GmtBIIw9SJ012wAK5mkDvbmUU+UReOTzZrM vrPQ== X-Gm-Message-State: APjAAAXP1wJTm3VLl/Ts8rkCBzA2t2QiCB8NK2WCWRWZaLkjw9/N79Q+ xsWlpt97YDB+uQOd1tJouhw= X-Google-Smtp-Source: APXvYqyALmDEehpuESCXJ5hI899MgL9BlGb31P3WnlC5QRUczqZXBOgpOtjdKyLME4c3RAOz/8hhSQ== X-Received: by 2002:a63:b64a:: with SMTP id v10mr30709908pgt.145.1577088661453; Mon, 23 Dec 2019 00:11:01 -0800 (PST) Received: from [172.20.20.156] ([222.151.198.97]) by smtp.gmail.com with ESMTPSA id m71sm21837672pje.0.2019.12.23.00.10.57 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 23 Dec 2019 00:11:00 -0800 (PST) Subject: Re: [RFC net-next 11/14] tun: run XDP program in tx path To: Jason Wang , David Ahern , =?UTF-8?Q?Toke_H=c3=b8iland-J=c3=b8rgensen?= , Alexei Starovoitov , Jesper Dangaard Brouer Cc: "David S . Miller" , "Michael S . Tsirkin" , Alexei Starovoitov , Daniel Borkmann , Jesper Dangaard Brouer , Jakub Kicinski , John Fastabend , Toshiaki Makita , Martin KaFai Lau , Song Liu , Yonghong Song , Andrii Nakryiko , netdev@vger.kernel.org, Ilias Apalodimas References: <20191218081050.10170-1-prashantbhole.linux@gmail.com> <20191218081050.10170-12-prashantbhole.linux@gmail.com> <20191218110732.33494957@carbon> <87fthh6ehg.fsf@toke.dk> <20191218181944.3ws2oy72hpyxshhb@ast-mbp.dhcp.thefacebook.com> <35a07230-3184-40bf-69ff-852bdfaf03c6@gmail.com> <874kxw4o4r.fsf@toke.dk> <5eb791bf-1876-0b4b-f721-cb3c607f846c@gmail.com> <75228f98-338e-453c-3ace-b6d36b26c51c@redhat.com> <3654a205-b3fd-b531-80ac-42823e089b39@gmail.com> <3e7bbc36-256f-757b-d4e0-aeaae7009d6c@gmail.com> <58e0f61d-cb17-f517-d76d-8a665af31618@gmail.com> <4d1847f1-73c2-7cf2-11e4-ce66c268b386@redhat.com> From: Prashant Bhole Message-ID: <09118670-b0c7-897c-961d-022ad4dfb093@gmail.com> Date: Mon, 23 Dec 2019 17:09:56 +0900 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.8.0 MIME-Version: 1.0 In-Reply-To: <4d1847f1-73c2-7cf2-11e4-ce66c268b386@redhat.com> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 8bit Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org On 12/23/19 3:05 PM, Jason Wang wrote: > > On 2019/12/21 上午6:17, Prashant Bhole wrote: >> >> >> On 12/21/2019 1:11 AM, David Ahern wrote: >>> On 12/19/19 9:46 PM, Prashant Bhole wrote: >>>> >>>> "It can improve container networking where veth pair links the host and >>>> the container. Host can set ACL by setting tx path XDP to the veth >>>> iface." >>> >>> Just to be clear, this is the use case of interest to me, not the >>> offloading. I want programs managed by and viewable by the host OS and >>> not necessarily viewable by the guest OS or container programs. >>> >> >> Yes the plan is to implement this while having a provision to implement >> offload feature on top of it. > > > I wonder maybe it's easier to focus on the TX path first then consider > building offloading support on top. Currently working on TX path. I will try make sure that we will be able to implement offloading on top of it later. Thanks.