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=-2.4 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,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 2C815C10F25 for ; Tue, 10 Mar 2020 03:44:29 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 062402465A for ; Tue, 10 Mar 2020 03:44:28 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=digitalocean.com header.i=@digitalocean.com header.b="dV1euwDX" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726389AbgCJDo2 (ORCPT ); Mon, 9 Mar 2020 23:44:28 -0400 Received: from mail-qt1-f195.google.com ([209.85.160.195]:38447 "EHLO mail-qt1-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726170AbgCJDo1 (ORCPT ); Mon, 9 Mar 2020 23:44:27 -0400 Received: by mail-qt1-f195.google.com with SMTP id e20so8727996qto.5 for ; Mon, 09 Mar 2020 20:44:26 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=digitalocean.com; s=google; h=subject:to:cc:references:from:message-id:date:user-agent :mime-version:in-reply-to:content-language:content-transfer-encoding; bh=KIz4eb/MtfXiUgKFzz+5JsULpIMiYHTfDdmoTnFgq1U=; b=dV1euwDX7Z/XDC0VP22DZzOmL9xDhb8r59Wn11ikpIdrGsseeXRlyp3GkhKAmVE4sY LA/0XTzL86tIbJKqQMYV1F8BsId9MeC7yqNap2TKZ4HVCRwea6RRbQQUJR3R/04ikn3h dvXX9ros5Z5I/vQpd4+WMoU0ouqiM+GEHXd8w= 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=KIz4eb/MtfXiUgKFzz+5JsULpIMiYHTfDdmoTnFgq1U=; b=ibw/uTbJ3+gr7+Lc2g7tfn9mAW9wDxWPkS/0z0e0vZIx1E3/qNcqFNDzuqS55L5AU/ OSpkNS1QFhUwlBDzcLXOVsIukRMChr0eSaQ+3IR016hDXnyLXTybIcSzGVA2zkpRrz5F sNNMDsuR5Q9+7XNnrO8VVj6InbowT1l/iuXsQoVFpCzBgj5fSoqUd8l71EzFcx+hkJz5 9RFlFVKqP4vsLVqi+3VMaKwaBICUE2lq3ls8HT95YsQiQUGajzklBYcJ07dacRO7jigQ gl2fge+ljU7l5vftmwlfOZyq/xjNnhKhyr6tuQffve3nUyw1H0VPZs6QHiXfQ8Jjb88n +Awg== X-Gm-Message-State: ANhLgQ2m4zA5x+Jc5a0g0AoTUtlNHF1jyvC+yMjB84YnhaL0EF+Mxe6V kvahzdQ0NBBN2ETN183i98xDoQ== X-Google-Smtp-Source: ADFU+vsaMyMnfFWrR/kX5x33KK/nA9xAbvcUFwR+IItwtre8kYFOwiLMCUWxRQw+lSWc2nsYTp8BSw== X-Received: by 2002:ac8:1194:: with SMTP id d20mr17286130qtj.243.1583811865769; Mon, 09 Mar 2020 20:44:25 -0700 (PDT) Received: from ?IPv6:2601:282:803:7700:b876:5d04:c7e4:4480? ([2601:282:803:7700:b876:5d04:c7e4:4480]) by smtp.gmail.com with ESMTPSA id y62sm23216113qka.19.2020.03.09.20.44.23 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 09 Mar 2020 20:44:25 -0700 (PDT) Subject: Re: [PATCH RFC v4 bpf-next 09/11] tun: Support xdp in the Tx path for xdp_frames To: Jesper Dangaard Brouer , David Ahern Cc: netdev@vger.kernel.org, davem@davemloft.net, kuba@kernel.org, prashantbhole.linux@gmail.com, jasowang@redhat.com, toke@redhat.com, mst@redhat.com, toshiaki.makita1@gmail.com, daniel@iogearbox.net, john.fastabend@gmail.com, ast@kernel.org, kafai@fb.com, songliubraving@fb.com, yhs@fb.com, andriin@fb.com, dsahern@gmail.com References: <20200227032013.12385-1-dsahern@kernel.org> <20200227032013.12385-10-dsahern@kernel.org> <20200303114044.2c7482d5@carbon> <14ef34c2-2fa6-f58c-6d63-e924d07e613f@digitalocean.com> From: David Ahern Message-ID: <942c9efd-67e2-65d3-d311-bb4eba9fb747@digitalocean.com> Date: Mon, 9 Mar 2020 21:44:22 -0600 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:68.0) Gecko/20100101 Thunderbird/68.5.0 MIME-Version: 1.0 In-Reply-To: <14ef34c2-2fa6-f58c-6d63-e924d07e613f@digitalocean.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 3/9/20 9:06 PM, David Ahern wrote: > Why do I need to make any adjustments beyond what is done by > bpf_xdp_adjust_head and bpf_xdp_adjust_tail? never mind. forgot the switch from xdp_frame to xdp_buff there so need to go back to frame.