From patchwork Wed Nov 25 04:01:22 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: wenxu X-Patchwork-Id: 1405850 Return-Path: X-Original-To: patchwork-incoming-netdev@ozlabs.org Delivered-To: patchwork-incoming-netdev@ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=23.128.96.18; helo=vger.kernel.org; envelope-from=netdev-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=fail (p=none dis=none) header.from=ucloud.cn Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by ozlabs.org (Postfix) with ESMTP id 4CgnJh1vq5z9sVH for ; Wed, 25 Nov 2020 15:01:56 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727860AbgKYEBl (ORCPT ); Tue, 24 Nov 2020 23:01:41 -0500 Received: from m9785.mail.qiye.163.com ([220.181.97.85]:28443 "EHLO m9785.mail.qiye.163.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726819AbgKYEBl (ORCPT ); Tue, 24 Nov 2020 23:01:41 -0500 Received: from localhost.localdomain (unknown [123.59.132.129]) by m9785.mail.qiye.163.com (Hmail) with ESMTPA id 4C4535C1D25; Wed, 25 Nov 2020 12:01:24 +0800 (CST) From: wenxu@ucloud.cn To: kuba@kernel.org, jhs@mojatatu.com Cc: netdev@vger.kernel.org, marcelo.leitner@gmail.com, vladbu@nvidia.com, xiyou.wangcong@gmail.com Subject: [PATCH v4 net-next 2/3] net/sched: act_mirred: refactor the handle of xmit Date: Wed, 25 Nov 2020 12:01:22 +0800 Message-Id: <1606276883-6825-3-git-send-email-wenxu@ucloud.cn> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1606276883-6825-1-git-send-email-wenxu@ucloud.cn> References: <1606276883-6825-1-git-send-email-wenxu@ucloud.cn> X-HM-Spam-Status: e1kfGhgUHx5ZQUtXWQgYFAkeWUFZS1VLWVdZKFlBSUI3V1ktWUFJV1kPCR oVCBIfWUFZSxhMHxkeGkkZSB8dVkpNS01JTE1DQ09PSU5VGRETFhoSFyQUDg9ZV1kWGg8SFR0UWU FZT0tIVUpKS0hKTFVLWQY+ X-HM-Sender-Digest: e1kMHhlZQR0aFwgeV1kSHx4VD1lBWUc6PRw6Eio*GD0rMjEoMD86TDw# OR4KCTBVSlVKTUtNSUxNQ0NPTkxCVTMWGhIXVQweFQMOOw4YFxQOH1UYFUVZV1kSC1lBWUpJSFVO QlVKSElVSklCWVdZCAFZQUhLSE03Bg++ X-HM-Tid: 0a75fd9027af2087kuqy4c4535c1d25 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: wenxu This one is prepare for the next patch. Signed-off-by: wenxu --- v4: no change include/net/sch_generic.h | 5 ----- net/sched/act_mirred.c | 21 +++++++++++++++------ 2 files changed, 15 insertions(+), 11 deletions(-) diff --git a/include/net/sch_generic.h b/include/net/sch_generic.h index d8fd867..dd74f06 100644 --- a/include/net/sch_generic.h +++ b/include/net/sch_generic.h @@ -1281,9 +1281,4 @@ void mini_qdisc_pair_init(struct mini_Qdisc_pair *miniqp, struct Qdisc *qdisc, void mini_qdisc_pair_block_init(struct mini_Qdisc_pair *miniqp, struct tcf_block *block); -static inline int skb_tc_reinsert(struct sk_buff *skb, struct tcf_result *res) -{ - return res->ingress ? netif_receive_skb(skb) : dev_queue_xmit(skb); -} - #endif diff --git a/net/sched/act_mirred.c b/net/sched/act_mirred.c index e24b7e2..17d0095 100644 --- a/net/sched/act_mirred.c +++ b/net/sched/act_mirred.c @@ -205,6 +205,18 @@ static int tcf_mirred_init(struct net *net, struct nlattr *nla, return err; } +static int tcf_mirred_forward(bool want_ingress, struct sk_buff *skb) +{ + int err; + + if (!want_ingress) + err = dev_queue_xmit(skb); + else + err = netif_receive_skb(skb); + + return err; +} + static int tcf_mirred_act(struct sk_buff *skb, const struct tc_action *a, struct tcf_result *res) { @@ -287,18 +299,15 @@ static int tcf_mirred_act(struct sk_buff *skb, const struct tc_action *a, /* let's the caller reinsert the packet, if possible */ if (use_reinsert) { res->ingress = want_ingress; - if (skb_tc_reinsert(skb, res)) + err = tcf_mirred_forward(res->ingress, skb); + if (err) tcf_action_inc_overlimit_qstats(&m->common); __this_cpu_dec(mirred_rec_level); return TC_ACT_CONSUMED; } } - if (!want_ingress) - err = dev_queue_xmit(skb2); - else - err = netif_receive_skb(skb2); - + err = tcf_mirred_forward(want_ingress, skb2); if (err) { out: tcf_action_inc_overlimit_qstats(&m->common);