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=-9.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham 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 524B9C433FF for ; Thu, 1 Aug 2019 14:01:35 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 2F563205F4 for ; Thu, 1 Aug 2019 14:01:35 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731404AbfHAOBe (ORCPT ); Thu, 1 Aug 2019 10:01:34 -0400 Received: from m9784.mail.qiye.163.com ([220.181.97.84]:22713 "EHLO m9784.mail.qiye.163.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730502AbfHAOBe (ORCPT ); Thu, 1 Aug 2019 10:01:34 -0400 Received: from localhost.localdomain (unknown [123.59.132.129]) by m9784.mail.qiye.163.com (Hmail) with ESMTPA id D4A66416EC; Thu, 1 Aug 2019 22:01:27 +0800 (CST) From: wenxu@ucloud.cn To: pablo@netfilter.org, fw@strlen.de Cc: netfilter-devel@vger.kernel.org Subject: [PATCH nf-next v3 3/9] netfilter: nft_fwd_netdev: add fw_netdev action support Date: Thu, 1 Aug 2019 22:01:20 +0800 Message-Id: <1564668086-16260-4-git-send-email-wenxu@ucloud.cn> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1564668086-16260-1-git-send-email-wenxu@ucloud.cn> References: <1564668086-16260-1-git-send-email-wenxu@ucloud.cn> X-HM-Spam-Status: e1kfGhgUHx5ZQUtXWQgYFAkeWUFZVkpVS0JNQkJCTE1PT09JT09ZV1koWU FJQjdXWS1ZQUlXWQkOFx4IWUFZNTQpNjo3JCkuNz5ZBg++ X-HM-Sender-Digest: e1kMHhlZQR0aFwgeV1kSHx4VD1lBWUc6Ogg6Hio5PTg3TU8SLSgZI01L FhFPCzBVSlVKTk1PTU1DS0NMQk9DVTMWGhIXVQweFQMOOw4YFxQOH1UYFUVZV1kSC1lBWUpJSFVO QlVKSElVSklCWVdZCAFZQUlMTEw3Bg++ X-HM-Tid: 0a6c4d7c4e4a2086kuqyd4a66416ec Sender: netfilter-devel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netfilter-devel@vger.kernel.org From: wenxu fwd_netdev action offload: nft --debug=netlink add rule netdev firewall aclout ip daddr 10.0.1.7 fwd to eth0 Signed-off-by: wenxu --- v3: data from source register net/netfilter/nft_fwd_netdev.c | 27 +++++++++++++++++++++++++++ 1 file changed, 27 insertions(+) diff --git a/net/netfilter/nft_fwd_netdev.c b/net/netfilter/nft_fwd_netdev.c index 61b7f93..c5af66b 100644 --- a/net/netfilter/nft_fwd_netdev.c +++ b/net/netfilter/nft_fwd_netdev.c @@ -15,6 +15,7 @@ #include #include #include +#include struct nft_fwd_netdev { enum nft_registers sreg_dev:8; @@ -63,6 +64,30 @@ static int nft_fwd_netdev_dump(struct sk_buff *skb, const struct nft_expr *expr) return -1; } +static int nft_fwd_netdev_offload(struct nft_offload_ctx *ctx, + struct nft_flow_rule *flow, + const struct nft_expr *expr) +{ + const struct nft_fwd_netdev *priv = nft_expr_priv(expr); + struct nft_offload_reg *reg = &ctx->regs[priv->sreg_dev]; + const struct nft_data *data = ®->data; + struct flow_action_entry *entry; + struct net_device *dev; + int oif = -1; + + entry = &flow->rule->action.entries[ctx->num_actions++]; + + memcpy(&oif, data->data, sizeof(oif)); + dev = __dev_get_by_index(ctx->net, oif); + if (!dev) + return -EOPNOTSUPP; + + entry->id = FLOW_ACTION_REDIRECT; + entry->dev = dev; + + return 0; +} + struct nft_fwd_neigh { enum nft_registers sreg_dev:8; enum nft_registers sreg_addr:8; @@ -194,6 +219,8 @@ static int nft_fwd_neigh_dump(struct sk_buff *skb, const struct nft_expr *expr) .eval = nft_fwd_netdev_eval, .init = nft_fwd_netdev_init, .dump = nft_fwd_netdev_dump, + .offload = nft_fwd_netdev_offload, + .offload_actions = nft_offload_action, }; static const struct nft_expr_ops * -- 1.8.3.1