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 9C0FAC3F68F for ; Tue, 4 Feb 2020 01:46:31 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 734FA2086A for ; Tue, 4 Feb 2020 01:46:31 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="W7io1ZM6" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727084AbgBDBqa (ORCPT ); Mon, 3 Feb 2020 20:46:30 -0500 Received: from mail-qk1-f180.google.com ([209.85.222.180]:40285 "EHLO mail-qk1-f180.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726369AbgBDBqa (ORCPT ); Mon, 3 Feb 2020 20:46:30 -0500 Received: by mail-qk1-f180.google.com with SMTP id b7so1169811qkl.7; Mon, 03 Feb 2020 17:46:29 -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=VTqZftv6pi0oImAkeD0X+bfB0JINBLe0J4+VrZ2FAF8=; b=W7io1ZM6lzEtEgAlBeoSJs1xyAnjNyLQqjoIVkC664waVqL0pbNOgO+QsCeQ74cHjb NMFyAAiDDrB42UvJPiPk+aQKK4N+yquofXdDp4JIT6vCoBKnN5jUQRhYMhkSp47iancW 68eAVV5Qtv6OHJFyH67i+CT4RETG1cgbZlQZNPRbAfLVakKIF+DUPhHxgo/ix45q4ZWM d/fKKPBXpFW3QeCzClpoqbf75ncVN1VXw180VM3CL7qyvjiVGMPSy9sbza1FzjnURqdb VQBOq4eDutBG+9ktvc6pijy/zF3/MB+CD5MujZdPWZMwBVzfskNjz6TR1QEnTTq1Y4e9 AKQg== 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=VTqZftv6pi0oImAkeD0X+bfB0JINBLe0J4+VrZ2FAF8=; b=IIBeETW6d5a3eL+QB7/mhx1mvuIaG/Neq3Y5tpOfRRwKiVHjj9hg2u4XBAtV9G/02m F4cnbJZr6MZMManuE7cXIP4g+s8ANvsQYzciDmwP79XnUfqHSn0s3eGWlo5fFPT8sMYE Y3J40V0erFlFYZ3ZDeF7X9BJp2Ce4T7D2CZdDTZkMW7ylgnIpsgcKBa9sHp4qwn8sdcO vjY2Dqqz65OoHwqmq8xCl6kOScAvqiwdbvYVBjoX1AASuJyT1gGVUm8+JgJyUwCguwUC TbM6lODH5vlFL56NOEPFEf6+U8jHJ3wpLfU8FWFs9Ke/YEpWXK09d46n23cbb1rq1x2U fxEw== X-Gm-Message-State: APjAAAWkEvIIs+xcDgOZLKdZppgcpMdfzYPO25GAqLVd/0MESaGdGn4J DUPk1eEqJzKnIWPvYpnRKMfYNSC3dDo= X-Google-Smtp-Source: APXvYqyu+UwD1M8OJ1qslU45Gmufh2wSROcFAghEH6OTJXNUD//ukfXwB9O7P7KZA277I+RPM5tScw== X-Received: by 2002:a37:8e45:: with SMTP id q66mr26720374qkd.129.1580780789178; Mon, 03 Feb 2020 17:46:29 -0800 (PST) Received: from ?IPv6:2601:282:803:7700:3d10:e33:29a2:f093? ([2601:282:803:7700:3d10:e33:29a2:f093]) by smtp.googlemail.com with ESMTPSA id m68sm10153702qke.17.2020.02.03.17.46.27 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 03 Feb 2020 17:46:28 -0800 (PST) Subject: Re: [RFC bpf-next 0/5] Convert iproute2 to use libbpf (WIP) To: Andrii Nakryiko , =?UTF-8?Q?Toke_H=c3=b8iland-J=c3=b8rgensen?= Cc: Daniel Borkmann , Stephen Hemminger , Alexei Starovoitov , Martin KaFai Lau , Song Liu , Yonghong Song , David Miller , Jesper Dangaard Brouer , Networking , bpf References: <20190820114706.18546-1-toke@redhat.com> <87blwiqlc8.fsf@toke.dk> <43e8c177-cc9c-ca0b-1622-e30a7a1281b7@iogearbox.net> <87tva8m85t.fsf@toke.dk> <87blqfcvnf.fsf@toke.dk> From: David Ahern Message-ID: <0bf50b22-a8e2-e3b3-aa53-7bd5dd5d4399@gmail.com> Date: Mon, 3 Feb 2020 18:46:26 -0700 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:68.0) Gecko/20100101 Thunderbird/68.4.2 MIME-Version: 1.0 In-Reply-To: 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 2/3/20 5:56 PM, Andrii Nakryiko wrote: > Great! Just to disambiguate and make sure we are in agreement, my hope > here is that iproute2 can completely delegate to libbpf all the ELF > iproute2 needs to compile and continue working as is when libbpf is not available. e.g., add check in configure to define HAVE_LIBBPF and move the existing code and move under else branch.