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=-16.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,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 47005C433B4 for ; Sat, 3 Apr 2021 13:59:48 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 18E98611C9 for ; Sat, 3 Apr 2021 13:59:48 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231800AbhDCN7t (ORCPT ); Sat, 3 Apr 2021 09:59:49 -0400 Received: from m97179.mail.qiye.163.com ([220.181.97.179]:18396 "EHLO m97179.mail.qiye.163.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230440AbhDCN7t (ORCPT ); Sat, 3 Apr 2021 09:59:49 -0400 Received: from localhost.localdomain (unknown [123.59.132.129]) by m97179.mail.qiye.163.com (Hmail) with ESMTPA id A908DE019D8; Sat, 3 Apr 2021 21:59:43 +0800 (CST) From: wenxu@ucloud.cn To: pablo@netfilter.org Cc: netfilter-devel@vger.kernel.org Subject: [PATCH nf-next v2 1/2] netfilter: flowtable: add vlan match offload support Date: Sat, 3 Apr 2021 21:59:42 +0800 Message-Id: <1617458383-8620-1-git-send-email-wenxu@ucloud.cn> X-Mailer: git-send-email 1.8.3.1 X-HM-Spam-Status: e1kfGhgUHx5ZQUtXWQgYFAkeWUFZS1VLWVdZKFlBSUI3V1ktWUFJV1kPCR oVCBIfWUFZHh8ZSExNS05PTEtIVkpNSkxPTkNIQ0hMSU9VGRETFhoSFyQUDg9ZV1kWGg8SFR0UWU FZT0tIVUpKS0hKQ1VLWQY+ X-HM-Sender-Digest: e1kMHhlZQR0aFwgeV1kSHx4VD1lBWUc6OT46Iww4Pj0rCwwRMj5OCDNN IQ4KCipVSlVKTUpMT05DSENIQ05PVTMWGhIXVQweFQMOOw4YFxQOH1UYFUVZV1kSC1lBWUpJSFVO QlVKSElVSklCWVdZCAFZQUhMQ043Bg++ X-HM-Tid: 0a7898084b5820bdkuqya908de019d8 Precedence: bulk List-ID: X-Mailing-List: netfilter-devel@vger.kernel.org From: wenxu This patch support vlan_id, vlan_priority and vlan_proto match for flowtable offload Signed-off-by: wenxu --- include/net/netfilter/nf_flow_table.h | 2 ++ net/netfilter/nf_flow_table_offload.c | 37 +++++++++++++++++++++++++++++++++++ 2 files changed, 39 insertions(+) diff --git a/include/net/netfilter/nf_flow_table.h b/include/net/netfilter/nf_flow_table.h index 4d991c1..b36b553a 100644 --- a/include/net/netfilter/nf_flow_table.h +++ b/include/net/netfilter/nf_flow_table.h @@ -21,6 +21,8 @@ struct nf_flow_key { struct flow_dissector_key_control control; struct flow_dissector_key_control enc_control; struct flow_dissector_key_basic basic; + struct flow_dissector_key_vlan vlan; + struct flow_dissector_key_vlan cvlan; union { struct flow_dissector_key_ipv4_addrs ipv4; struct flow_dissector_key_ipv6_addrs ipv6; diff --git a/net/netfilter/nf_flow_table_offload.c b/net/netfilter/nf_flow_table_offload.c index 7d0d128..dc1d6b4 100644 --- a/net/netfilter/nf_flow_table_offload.c +++ b/net/netfilter/nf_flow_table_offload.c @@ -78,6 +78,16 @@ static void nf_flow_rule_lwt_match(struct nf_flow_match *match, match->dissector.used_keys |= enc_keys; } +static void nf_flow_rule_vlan_match(struct flow_dissector_key_vlan *key, + struct flow_dissector_key_vlan *mask, + u16 vlan_id, __be16 proto) +{ + key->vlan_id = vlan_id; + mask->vlan_id = VLAN_VID_MASK; + key->vlan_tpid = proto; + mask->vlan_tpid = 0xffff; +} + static int nf_flow_rule_match(struct nf_flow_match *match, const struct flow_offload_tuple *tuple, struct dst_entry *other_dst) @@ -85,6 +95,7 @@ static int nf_flow_rule_match(struct nf_flow_match *match, struct nf_flow_key *mask = &match->mask; struct nf_flow_key *key = &match->key; struct ip_tunnel_info *tun_info; + bool vlan_encap = false; NF_FLOW_DISSECTOR(match, FLOW_DISSECTOR_KEY_META, meta); NF_FLOW_DISSECTOR(match, FLOW_DISSECTOR_KEY_CONTROL, control); @@ -102,6 +113,32 @@ static int nf_flow_rule_match(struct nf_flow_match *match, key->meta.ingress_ifindex = tuple->iifidx; mask->meta.ingress_ifindex = 0xffffffff; + if (tuple->encap_num > 0 && !(tuple->in_vlan_ingress & BIT(0)) && + tuple->encap[0].proto == htons(ETH_P_8021Q)) { + NF_FLOW_DISSECTOR(match, FLOW_DISSECTOR_KEY_VLAN, vlan); + nf_flow_rule_vlan_match(&key->vlan, &mask->vlan, + tuple->encap[0].id, + tuple->encap[0].proto); + vlan_encap = true; + } + + if (tuple->encap_num > 1 && !(tuple->in_vlan_ingress & BIT(1)) && + tuple->encap[1].proto == htons(ETH_P_8021Q)) { + if (vlan_encap) { + NF_FLOW_DISSECTOR(match, FLOW_DISSECTOR_KEY_CVLAN, + cvlan); + nf_flow_rule_vlan_match(&key->cvlan, &mask->cvlan, + tuple->encap[1].id, + tuple->encap[1].proto); + } else { + NF_FLOW_DISSECTOR(match, FLOW_DISSECTOR_KEY_VLAN, + vlan); + nf_flow_rule_vlan_match(&key->vlan, &mask->vlan, + tuple->encap[1].id, + tuple->encap[1].proto); + } + } + switch (tuple->l3proto) { case AF_INET: key->control.addr_type = FLOW_DISSECTOR_KEY_IPV4_ADDRS; -- 1.8.3.1