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=-0.9 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS 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 3235EC54FD0 for ; Mon, 27 Apr 2020 10:30:53 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 0A5B0206B6 for ; Mon, 27 Apr 2020 10:30:53 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="ftZ3tWGb" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727041AbgD0Kaw (ORCPT ); Mon, 27 Apr 2020 06:30:52 -0400 Received: from us-smtp-1.mimecast.com ([207.211.31.81]:43354 "EHLO us-smtp-delivery-1.mimecast.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726485AbgD0Kat (ORCPT ); Mon, 27 Apr 2020 06:30:49 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1587983448; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=MYZR6++ueNxR+uobaz3YRdFxV1REvMETBh6qIowoIZQ=; b=ftZ3tWGbDGTfQ01XZS76Cd0pbP30rzGKP5vaA4Q/HEs0wbGSpx/7li393EEXH8yYktjfND h8ZI4U6bp0MH0m0GJW0/FWI6TOI/pUy+pFV4nTmxSf+OEqoxrrin1/4ZVy9u+5ZN1pIS8A ZZrQVM+VXAfsGw+Tx0r2tKV+XKaCeaM= Received: from mail-lf1-f72.google.com (mail-lf1-f72.google.com [209.85.167.72]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-241-w5Q_ofodO9ihG_jTvzxX9A-1; Mon, 27 Apr 2020 06:30:46 -0400 X-MC-Unique: w5Q_ofodO9ihG_jTvzxX9A-1 Received: by mail-lf1-f72.google.com with SMTP id l6so7323582lfk.2 for ; Mon, 27 Apr 2020 03:30:46 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:in-reply-to:references:date :message-id:mime-version; bh=MYZR6++ueNxR+uobaz3YRdFxV1REvMETBh6qIowoIZQ=; b=ifs0BBnRRQJ9Yst/+LZSpNp9jx9AEH6XFP1qM+rmuACzR7QxN7TSuHCVHZMu3OJQJb ZiGUx2RbIJyEJgLN/SqCAtp/5dQJ7bDtKazXaLDovC+t9I5/a0pv3J5lmqBPNrpMEEVh J1hze8kgKsfTPuKtyYcuHZlyeQFlDHySTNKSjlAhNcTqLlgPMRt8rv3HPKfpYV2UdLxx hLhePKkEfOeseLGg6hUbsCdxdLPsIRFNp+qUIE8HLt5ZpF+jdqEfI4otRtbtNgEEz54t uJjd5zGqyI/fzZIHkTha05fkm8Dyn3l69rrfBdGSSzbXyL3Z1Q6F+q4XiqXeR65IObnN N5Cw== X-Gm-Message-State: AGi0PuaF2UzOojsYDiE2Dhgyjd0FRRvOBAWsmB201o7K9xpAIiPSa21L DOyuAVjCEUeid8KIkfjgkrfkQoJPTtyt2RMka3JMdYdEHhqscqbKxfuInfGFNBwXoAk4tIni1fS EC7HJxmb1YHk6pqRF X-Received: by 2002:a19:b10:: with SMTP id 16mr15240911lfl.133.1587983445010; Mon, 27 Apr 2020 03:30:45 -0700 (PDT) X-Google-Smtp-Source: APiQypIkS9jftxo8OIuDFHc7/X9aGlPgeYTwUb2DKkjBAVgn2ypWCM7I57jH3oYgL5cK72IqmdqMWQ== X-Received: by 2002:a19:b10:: with SMTP id 16mr15240901lfl.133.1587983444784; Mon, 27 Apr 2020 03:30:44 -0700 (PDT) Received: from alrua-x1.borgediget.toke.dk ([45.145.92.2]) by smtp.gmail.com with ESMTPSA id m29sm9819757ljc.24.2020.04.27.03.30.44 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 27 Apr 2020 03:30:44 -0700 (PDT) Received: by alrua-x1.borgediget.toke.dk (Postfix, from userid 1000) id 310451814FF; Mon, 27 Apr 2020 12:30:41 +0200 (CEST) From: Toke =?utf-8?Q?H=C3=B8iland-J=C3=B8rgensen?= To: "Jason A. Donenfeld" Cc: Netdev Subject: Re: [PATCH RFC v1] net: xdp: allow for layer 3 packets in generic skb handler In-Reply-To: References: <20200427011002.320081-1-Jason@zx2c4.com> <87h7x51jjx.fsf@toke.dk> X-Clacks-Overhead: GNU Terry Pratchett Date: Mon, 27 Apr 2020 12:30:41 +0200 Message-ID: <87wo61z0dq.fsf@toke.dk> MIME-Version: 1.0 Content-Type: text/plain Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org "Jason A. Donenfeld" writes: > (2) is infeasible, but there's another option: we can insert a pseudo > ethernet header during the xdp hook for the case of mac_len==0. I'll > play with that and send an RFC. Oh, right, that might work too! :) -Toke