From patchwork Tue Apr 18 06:53:13 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Xuan Zhuo X-Patchwork-Id: 13215086 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id DE343C77B71 for ; Tue, 18 Apr 2023 06:53:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230414AbjDRGxf (ORCPT ); Tue, 18 Apr 2023 02:53:35 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47370 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229734AbjDRGxd (ORCPT ); Tue, 18 Apr 2023 02:53:33 -0400 Received: from out30-131.freemail.mail.aliyun.com (out30-131.freemail.mail.aliyun.com [115.124.30.131]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 61082DB; Mon, 17 Apr 2023 23:53:31 -0700 (PDT) X-Alimail-AntiSpam: AC=PASS;BC=-1|-1;BR=01201311R211e4;CH=green;DM=||false|;DS=||;FP=0|-1|-1|-1|0|-1|-1|-1;HT=ay29a033018046056;MF=xuanzhuo@linux.alibaba.com;NM=1;PH=DS;RN=13;SR=0;TI=SMTPD_---0VgOIH1e_1681800807; Received: from localhost(mailfrom:xuanzhuo@linux.alibaba.com fp:SMTPD_---0VgOIH1e_1681800807) by smtp.aliyun-inc.com; Tue, 18 Apr 2023 14:53:28 +0800 From: Xuan Zhuo To: netdev@vger.kernel.org Cc: "Michael S. Tsirkin" , Jason Wang , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Alexei Starovoitov , Daniel Borkmann , Jesper Dangaard Brouer , John Fastabend , virtualization@lists.linux-foundation.org, bpf@vger.kernel.org Subject: [PATCH net-next v2 00/14] virtio_net: refactor xdp codes Date: Tue, 18 Apr 2023 14:53:13 +0800 Message-Id: <20230418065327.72281-1-xuanzhuo@linux.alibaba.com> X-Mailer: git-send-email 2.32.0.3.g01195cf9f MIME-Version: 1.0 X-Git-Hash: d931ac25730a Precedence: bulk List-ID: X-Mailing-List: bpf@vger.kernel.org X-Patchwork-Delegate: kuba@kernel.org Due to historical reasons, the implementation of XDP in virtio-net is relatively chaotic. For example, the processing of XDP actions has two copies of similar code. Such as page, xdp_page processing, etc. The purpose of this patch set is to refactor these code. Reduce the difficulty of subsequent maintenance. Subsequent developers will not introduce new bugs because of some complex logical relationships. In addition, the supporting to AF_XDP that I want to submit later will also need to reuse the logic of XDP, such as the processing of actions, I don't want to introduce a new similar code. In this way, I can reuse these codes in the future. Please review. Thanks. v2: 1. re-split to make review more convenient v1: 1. fix some variables are uninitialized Xuan Zhuo (14): virtio_net: mergeable xdp: put old page immediately virtio_net: introduce mergeable_xdp_prepare() virtio_net: optimize mergeable_xdp_prepare() virtio_net: introduce virtnet_xdp_handler() to seprate the logic of run xdp virtio_net: introduce xdp res enums virtio_net: separate the logic of freeing xdp shinfo virtio_net: separate the logic of freeing the rest mergeable buf virtio_net: auto release xdp shinfo virtio_net: introduce receive_mergeable_xdp() virtio_net: merge: remove skip_xdp virtio_net: introduce receive_small_xdp() virtio_net: small: optimize code virtio_net: small: optimize code virtio_net: small: remove skip_xdp drivers/net/virtio_net.c | 625 +++++++++++++++++++++++---------------- 1 file changed, 362 insertions(+), 263 deletions(-) --- 2.32.0.3.g01195cf9f