Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S964984AbeAJDAz (ORCPT + 1 other); Tue, 9 Jan 2018 22:00:55 -0500 Received: from mx1.redhat.com ([209.132.183.28]:35906 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S964857AbeAJDAw (ORCPT ); Tue, 9 Jan 2018 22:00:52 -0500 Subject: Re: [PATCH net-next V2 0/2] XDP transmission for tuntap To: David Miller Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org, mst@redhat.com, jbrouer@redhat.com References: <1515035668-6241-1-git-send-email-jasowang@redhat.com> <20180109.110613.1571539954764298228.davem@davemloft.net> From: Jason Wang Message-ID: Date: Wed, 10 Jan 2018 11:00:45 +0800 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.5.0 MIME-Version: 1.0 In-Reply-To: <20180109.110613.1571539954764298228.davem@davemloft.net> Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 8bit Content-Language: en-US X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.32]); Wed, 10 Jan 2018 03:00:52 +0000 (UTC) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Return-Path: On 2018年01月10日 00:06, David Miller wrote: > From: Jason Wang > Date: Thu, 4 Jan 2018 11:14:26 +0800 > >> This series tries to implement XDP transmission (ndo_xdp_xmit) for >> tuntap. Pointer ring was used for queuing both XDP buffers and >> sk_buff, this is done by encoding the type into lowest bit of the >> pointer and storin XDP metadata in the headroom of XDP buff. >> >> Tests gets 3.05 Mpps when doing xdp_redirect_map from ixgbe to VM >> (testpmd + virtio-net in guest). This gives us ~20% improvments >> compared to use skb during redirect. >> >> Please review. >> >> Changes from V1: >> >> - slient warnings >> - fix typos >> - add skb mode number in the commit log > Series applied, thanks Jason. > > There was some overlap with recent changes from Jesper, please take > a look. > > Thank you. The changes looks good, will have a test and report. Thanks