From patchwork Sat Oct 10 23:40:33 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Thomas F Herbert X-Patchwork-Id: 528693 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from archives.nicira.com (li376-54.members.linode.com [96.126.127.54]) by ozlabs.org (Postfix) with ESMTP id 5D43E140DAD for ; Sun, 11 Oct 2015 10:41:12 +1100 (AEDT) Authentication-Results: ozlabs.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.b=HWOzkl6D; dkim-atps=neutral Received: from archives.nicira.com (localhost [127.0.0.1]) by archives.nicira.com (Postfix) with ESMTP id 3363E10932; Sat, 10 Oct 2015 16:41:10 -0700 (PDT) X-Original-To: dev@openvswitch.org Delivered-To: dev@openvswitch.org Received: from mx3v1.cudamail.com (mx3.cudamail.com [64.34.241.5]) by archives.nicira.com (Postfix) with ESMTPS id B9A2E108A5 for ; Sat, 10 Oct 2015 16:41:09 -0700 (PDT) Received: from bar3.cudamail.com (bar1 [192.168.15.1]) by mx3v1.cudamail.com (Postfix) with ESMTP id 41F824B410D for ; Sat, 10 Oct 2015 17:41:09 -0600 (MDT) X-ASG-Debug-ID: 1444520468-03dd7b7d3d129e70001-byXFYA Received: from mx3-pf2.cudamail.com ([192.168.14.1]) by bar3.cudamail.com with ESMTP id Y0VzZqDFAfURnIux (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO) for ; Sat, 10 Oct 2015 17:41:08 -0600 (MDT) X-Barracuda-Envelope-From: thomasfherbert@gmail.com X-Barracuda-RBL-Trusted-Forwarder: 192.168.14.1 Received: from unknown (HELO mail-wi0-f170.google.com) (209.85.212.170) by mx3-pf2.cudamail.com with ESMTPS (RC4-SHA encrypted); 10 Oct 2015 23:41:07 -0000 Received-SPF: pass (mx3-pf2.cudamail.com: SPF record at _netblocks.google.com designates 209.85.212.170 as permitted sender) X-Barracuda-Apparent-Source-IP: 209.85.212.170 X-Barracuda-RBL-IP: 209.85.212.170 Received: by wiclk2 with SMTP id lk2so109365345wic.1 for ; Sat, 10 Oct 2015 16:41:05 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=ZvcH+Puli9PDViDqGtBjfWVE7xZTVuN6tjwPd2Pw6VM=; b=HWOzkl6DHGFBCKQ3j9rz9W0SMvb4FLv3suzIBzxrsDTfSd5rlAuP4nSys/IcVDDSu4 4OWrvwjXWarP+an0WNO3nWc6nqoXYaEe/R1bhWKXziYLACOcsPNA9H2c6I0bXvMSEXt3 i4eCNmYXAYtgL77ySpryFUsQkzh6bc4piGIbZalp07+LI4y8dglMSQ5coYa3PSeAG1WK DOI0qT+uMfcwYTqyBtVccD8XwR9up/XFkVLb7WHhhYYH1i+6g6GAtBUhlSbdrUcT/tO9 Bsn4LBz2rBoIwiBNYNyHrSLpnVLKjgvHi8EauL5rPi6msFEGRNi0sByAesm5u4bAIhS3 aD+w== X-Received: by 10.194.52.67 with SMTP id r3mr25993677wjo.51.1444520464933; Sat, 10 Oct 2015 16:41:04 -0700 (PDT) Received: from localhost.localdomain ([89.204.213.142]) by smtp.gmail.com with ESMTPSA id ka10sm10615309wjc.30.2015.10.10.16.41.03 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Sat, 10 Oct 2015 16:41:04 -0700 (PDT) X-CudaMail-Envelope-Sender: thomasfherbert@gmail.com From: Thomas F Herbert To: netdev@vger.kernel.org, pshelar@nicira.com X-CudaMail-MID: CM-V2-1009020971 X-CudaMail-DTE: 101015 X-CudaMail-Originating-IP: 209.85.212.170 Date: Sat, 10 Oct 2015 19:40:33 -0400 X-ASG-Orig-Subj: [##CM-V2-1009020971##][PATCH net-next V15 3/3] 802.1AD: Flow handling, actions, vlan parsing and netlink attributes Message-Id: <1444520433-1958-4-git-send-email-thomasfherbert@gmail.com> X-Mailer: git-send-email 2.4.3 In-Reply-To: <1444520433-1958-1-git-send-email-thomasfherbert@gmail.com> References: <1444520433-1958-1-git-send-email-thomasfherbert@gmail.com> X-GBUdb-Analysis: 0, 209.85.212.170, Ugly c=0.350494 p=-0.6 Source Normal X-MessageSniffer-Rules: 0-0-0-25883-c X-Barracuda-Connect: UNKNOWN[192.168.14.1] X-Barracuda-Start-Time: 1444520468 X-Barracuda-Encrypted: DHE-RSA-AES256-SHA X-Barracuda-URL: https://web.cudamail.com:443/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at cudamail.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.60 X-Barracuda-Spam-Status: No, SCORE=0.60 using per-user scores of TAG_LEVEL=3.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=3.0 tests=BSF_SC5_MJ1963, DKIM_SIGNED, RDNS_NONE X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.23378 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 DKIM_SIGNED Domain Keys Identified Mail: message has a signature 0.10 RDNS_NONE Delivered to trusted network by a host with no rDNS 0.50 BSF_SC5_MJ1963 Custom Rule MJ1963 Cc: dev@openvswitch.org, therbert@redhat.com Subject: [ovs-dev] [PATCH net-next V15 3/3] 802.1AD: Flow handling, actions, vlan parsing and netlink attributes X-BeenThere: dev@openvswitch.org X-Mailman-Version: 2.1.16 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: dev-bounces@openvswitch.org Sender: "dev" Add support for 802.1ad including the ability to push and pop double tagged vlans. Add support for 802.1ad to netlink parsing and flow conversion. Uses double nested encap attributes to represent double tagged vlan. Inner TPID encoded along with ctci in nested attributes. Signed-off-by: Thomas F Herbert --- net/openvswitch/actions.c | 6 +- net/openvswitch/flow.c | 92 +++++++++++++++++++---- net/openvswitch/flow.h | 11 ++- net/openvswitch/flow_netlink.c | 166 +++++++++++++++++++++++++++++++++++++---- net/openvswitch/vport-netdev.c | 4 +- 5 files changed, 245 insertions(+), 34 deletions(-) diff --git a/net/openvswitch/actions.c b/net/openvswitch/actions.c index 315f533..09cc1c9 100644 --- a/net/openvswitch/actions.c +++ b/net/openvswitch/actions.c @@ -236,7 +236,8 @@ static int pop_vlan(struct sk_buff *skb, struct sw_flow_key *key) if (skb_vlan_tag_present(skb)) invalidate_flow_key(key); else - key->eth.tci = 0; + key->eth.vlan.tci = 0; + key->eth.vlan.tpid = 0; return err; } @@ -246,7 +247,8 @@ static int push_vlan(struct sk_buff *skb, struct sw_flow_key *key, if (skb_vlan_tag_present(skb)) invalidate_flow_key(key); else - key->eth.tci = vlan->vlan_tci; + key->eth.vlan.tci = vlan->vlan_tci; + key->eth.vlan.tpid = vlan->vlan_tpid; return skb_vlan_push(skb, vlan->vlan_tpid, ntohs(vlan->vlan_tci) & ~VLAN_TAG_PRESENT); } diff --git a/net/openvswitch/flow.c b/net/openvswitch/flow.c index c8db44a..0f9479c 100644 --- a/net/openvswitch/flow.c +++ b/net/openvswitch/flow.c @@ -305,21 +305,83 @@ static bool icmp6hdr_ok(struct sk_buff *skb) static int parse_vlan(struct sk_buff *skb, struct sw_flow_key *key) { struct qtag_prefix { - __be16 eth_type; /* ETH_P_8021Q */ + __be16 eth_type; /* ETH_P_8021Q or ETH_P_8021AD */ __be16 tci; }; - struct qtag_prefix *qp; + struct qtag_prefix *qp = (struct qtag_prefix *)skb->data; - if (unlikely(skb->len < sizeof(struct qtag_prefix) + sizeof(__be16))) + if (likely(skb_vlan_tag_present(skb))) { + key->eth.vlan.tci = htons(skb->vlan_tci); + key->eth.vlan.tpid = skb->vlan_proto; + + /* Case where upstream + * processing has already stripped the outer vlan tag. + */ + if (unlikely(skb->vlan_proto == htons(ETH_P_8021AD))) { + if (unlikely(skb->len < sizeof(struct qtag_prefix) + + sizeof(__be16))) { + key->eth.vlan.tci = 0; + return 0; + } + + if (unlikely(!pskb_may_pull(skb, + sizeof(struct qtag_prefix) + + sizeof(__be16)))) + return -ENOMEM; + + qp = (struct qtag_prefix *)skb->data; + key->eth.cvlan.tci = + qp->tci | htons(VLAN_TAG_PRESENT); + key->eth.cvlan.tpid = qp->eth_type; + + __skb_pull(skb, sizeof(struct qtag_prefix)); + } return 0; - if (unlikely(!pskb_may_pull(skb, sizeof(struct qtag_prefix) + - sizeof(__be16)))) - return -ENOMEM; + } else if (qp->eth_type == htons(ETH_P_8021AD)) { + + if (unlikely(skb->len < sizeof(struct qtag_prefix) + + sizeof(__be16))) + return 0; + + if (unlikely(!pskb_may_pull(skb, sizeof(struct qtag_prefix) + + sizeof(__be16)))) + return -ENOMEM; + + qp = (struct qtag_prefix *)skb->data; + key->eth.vlan.tci = qp->tci | htons(VLAN_TAG_PRESENT); + key->eth.vlan.tpid = qp->eth_type; + + __skb_pull(skb, sizeof(struct qtag_prefix)); - qp = (struct qtag_prefix *) skb->data; - key->eth.tci = qp->tci | htons(VLAN_TAG_PRESENT); - __skb_pull(skb, sizeof(struct qtag_prefix)); + if (unlikely(skb->len < sizeof(struct qtag_prefix) + + sizeof(__be16))) + return 0; + + if (unlikely(!pskb_may_pull(skb, sizeof(struct qtag_prefix) + + sizeof(__be16)))) + return -ENOMEM; + + key->eth.cvlan.tci = qp->tci | htons(VLAN_TAG_PRESENT); + key->eth.cvlan.tpid = qp->eth_type; + + __skb_pull(skb, sizeof(struct qtag_prefix)); + + return 0; + + } else if (qp->eth_type == htons(ETH_P_8021Q)) { + if (unlikely(skb->len < sizeof(struct qtag_prefix) + + sizeof(__be16))) + return 0; + + if (unlikely(!pskb_may_pull(skb, sizeof(struct qtag_prefix) + + sizeof(__be16)))) + return -ENOMEM; + key->eth.vlan.tci = qp->tci | htons(VLAN_TAG_PRESENT); + key->eth.vlan.tpid = qp->eth_type; + + __skb_pull(skb, sizeof(struct qtag_prefix)); + } return 0; } @@ -480,12 +542,12 @@ static int key_extract(struct sk_buff *skb, struct sw_flow_key *key) * update skb->csum here. */ - key->eth.tci = 0; - if (skb_vlan_tag_present(skb)) - key->eth.tci = htons(skb->vlan_tci); - else if (eth->h_proto == htons(ETH_P_8021Q)) - if (unlikely(parse_vlan(skb, key))) - return -ENOMEM; + key->eth.vlan.tci = 0; + key->eth.vlan.tpid = 0; + key->eth.cvlan.tci = 0; + key->eth.cvlan.tpid = 0; + if (unlikely(parse_vlan(skb, key))) + return -ENOMEM; key->eth.type = parse_ethertype(skb); if (unlikely(key->eth.type == htons(0))) diff --git a/net/openvswitch/flow.h b/net/openvswitch/flow.h index fe527d2..539494e 100644 --- a/net/openvswitch/flow.h +++ b/net/openvswitch/flow.h @@ -68,7 +68,16 @@ struct sw_flow_key { struct { u8 src[ETH_ALEN]; /* Ethernet source address. */ u8 dst[ETH_ALEN]; /* Ethernet destination address. */ - __be16 tci; /* 0 if no VLAN, VLAN_TAG_PRESENT set otherwise. */ + struct { + __be16 tpid; /* Outer Vlan type 802.1q or 802.1ad.*/ + __be16 tci; /* 0 if no VLAN, VLAN_TAG_PRESENT */ + /* set otherwise. */ + } vlan; + struct { + __be16 tpid; /* Inner Vlan DL_type 802.1q.*/ + __be16 tci; /* 0 if no CVLAN, VLAN_TAG_PRESENT */ + /* set otherwise. */ + } cvlan; __be16 type; /* Ethernet frame type. */ } eth; union { diff --git a/net/openvswitch/flow_netlink.c b/net/openvswitch/flow_netlink.c index c92d6a2..af06683 100644 --- a/net/openvswitch/flow_netlink.c +++ b/net/openvswitch/flow_netlink.c @@ -811,6 +811,33 @@ static int metadata_from_nlattrs(struct net *net, struct sw_flow_match *match, return 0; } +static int cust_vlan_from_nlattrs(struct sw_flow_match *match, + const struct nlattr *a[], + bool is_mask, bool log) +{ + __be16 ctci = 0; + __be16 c_tpid = 0; + + ctci = nla_get_be16(a[OVS_KEY_ATTR_VLAN]); + c_tpid = nla_get_be16(a[OVS_KEY_ATTR_ETHERTYPE]); + + if (is_mask && c_tpid != htons(0xffff)) { + OVS_NLERR(log, "VLAN frames must have an exact match on the CTPID (mask=%x).", + ntohs(c_tpid)); + return -EINVAL; + } + if (!(ctci & htons(VLAN_TAG_PRESENT))) { + if (is_mask) + OVS_NLERR(log, "VLAN CTCI mask does not have exact match for VLAN_TAG_PRESENT bit."); + else + OVS_NLERR(log, "VLAN CTCI does not have VLAN_TAG_PRESENT bit set."); + return -EINVAL; + } + SW_FLOW_KEY_PUT(match, eth.cvlan.tpid, c_tpid, is_mask); + SW_FLOW_KEY_PUT(match, eth.cvlan.tci, ctci, is_mask); + return 0; +} + static int ovs_key_from_nlattrs(struct net *net, struct sw_flow_match *match, u64 attrs, const struct nlattr **a, bool is_mask, bool log) @@ -845,7 +872,7 @@ static int ovs_key_from_nlattrs(struct net *net, struct sw_flow_match *match, return -EINVAL; } - SW_FLOW_KEY_PUT(match, eth.tci, tci, is_mask); + SW_FLOW_KEY_PUT(match, eth.vlan.tci, tci, is_mask); attrs &= ~(1 << OVS_KEY_ATTR_VLAN); } @@ -1064,6 +1091,86 @@ static void mask_set_nlattr(struct nlattr *attr, u8 val) nlattr_set(attr, val, ovs_key_lens); } +static int parse_vlan_from_nlattrs(const struct nlattr **nla, + struct sw_flow_match *match, + u64 *key_attrs, bool *ie_valid, + const struct nlattr **a, bool is_mask, + bool log) +{ + int err; + const struct nlattr *encap; + + if (!is_mask) { + u64 v_attrs = 0; + + err = parse_flow_nlattrs(*nla, a, &v_attrs, log); + if (err) + return err; + /* Another encap attribute here indicates + * the presence of a double tagged vlan. + */ + if ((v_attrs & (1 << OVS_KEY_ATTR_ETHERTYPE)) && + eth_type_vlan(nla_get_be16(a[OVS_KEY_ATTR_ETHERTYPE]))) { + if (!((v_attrs & (1ULL << OVS_KEY_ATTR_VLAN)) && + (v_attrs & (1ULL << OVS_KEY_ATTR_ENCAP)))) { + OVS_NLERR(log, "Invalid Inner VLAN frame"); + return -EINVAL; + } + encap = a[OVS_KEY_ATTR_ENCAP]; + + err = cust_vlan_from_nlattrs(match, a, is_mask, log); + if (err) + return err; + *ie_valid = true; + *nla = encap; + + /* Insure that tci key attribute isn't + * overwritten by encapsulated customer tci. + * Ethertype is cleared because it is c_tpid. + */ + v_attrs &= ~(1 << OVS_KEY_ATTR_ENCAP); + v_attrs &= ~(1 << OVS_KEY_ATTR_VLAN); + v_attrs &= ~(1 << OVS_KEY_ATTR_ETHERTYPE); + + *key_attrs |= v_attrs; + err = parse_flow_nlattrs(*nla, a, key_attrs, log); + if (err) + return err; + } + + } else { + u64 mask_v_attrs = 0; + + err = parse_flow_mask_nlattrs(*nla, a, &mask_v_attrs, log); + if (err) + return err; + + if (mask_v_attrs & 1 << OVS_KEY_ATTR_ENCAP) { + if (!*ie_valid) { + OVS_NLERR(log, "Encap mask attribute is set for non-CVLAN frame."); + err = -EINVAL; + return err; + } + encap = a[OVS_KEY_ATTR_ENCAP]; + + err = cust_vlan_from_nlattrs(match, a, is_mask, log); + if (err) + return err; + *nla = encap; + + mask_v_attrs &= ~(1 << OVS_KEY_ATTR_ENCAP); + mask_v_attrs &= ~(1ULL << OVS_KEY_ATTR_VLAN); + mask_v_attrs &= ~(1ULL << OVS_KEY_ATTR_ETHERTYPE); + + *key_attrs |= mask_v_attrs; + err = parse_flow_mask_nlattrs(*nla, a, key_attrs, log); + if (err) + return err; + } + } + return 0; +} + /** * ovs_nla_get_match - parses Netlink attributes into a flow key and * mask. In case the 'mask' is NULL, the flow is treated as exact match @@ -1091,6 +1198,7 @@ int ovs_nla_get_match(struct net *net, struct sw_flow_match *match, u64 key_attrs = 0; u64 mask_attrs = 0; bool encap_valid = false; + bool i_encap_valid = false; int err; err = parse_flow_nlattrs(nla_key, a, &key_attrs, log); @@ -1099,11 +1207,11 @@ int ovs_nla_get_match(struct net *net, struct sw_flow_match *match, if ((key_attrs & (1 << OVS_KEY_ATTR_ETHERNET)) && (key_attrs & (1 << OVS_KEY_ATTR_ETHERTYPE)) && - (nla_get_be16(a[OVS_KEY_ATTR_ETHERTYPE]) == htons(ETH_P_8021Q))) { + eth_type_vlan(nla_get_be16(a[OVS_KEY_ATTR_ETHERTYPE]))) { __be16 tci; - if (!((key_attrs & (1 << OVS_KEY_ATTR_VLAN)) && - (key_attrs & (1 << OVS_KEY_ATTR_ENCAP)))) { + if (!((key_attrs & (1ULL << OVS_KEY_ATTR_VLAN)) && + (key_attrs & (1ULL << OVS_KEY_ATTR_ENCAP)))) { OVS_NLERR(log, "Invalid Vlan frame."); return -EINVAL; } @@ -1115,9 +1223,12 @@ int ovs_nla_get_match(struct net *net, struct sw_flow_match *match, encap_valid = true; if (tci & htons(VLAN_TAG_PRESENT)) { - err = parse_flow_nlattrs(encap, a, &key_attrs, log); + err = parse_vlan_from_nlattrs(&encap, match, &key_attrs, + &i_encap_valid, a, false, + log); if (err) return err; + } else if (!tci) { /* Corner case for truncated 802.1Q header. */ if (nla_len(encap)) { @@ -1169,7 +1280,7 @@ int ovs_nla_get_match(struct net *net, struct sw_flow_match *match, goto free_newmask; /* Always match on tci. */ - SW_FLOW_KEY_PUT(match, eth.tci, htons(0xffff), true); + SW_FLOW_KEY_PUT(match, eth.vlan.tci, htons(0xffff), true); if (mask_attrs & 1 << OVS_KEY_ATTR_ENCAP) { __be16 eth_type = 0; @@ -1188,10 +1299,13 @@ int ovs_nla_get_match(struct net *net, struct sw_flow_match *match, if (eth_type == htons(0xffff)) { mask_attrs &= ~(1 << OVS_KEY_ATTR_ETHERTYPE); encap = a[OVS_KEY_ATTR_ENCAP]; - err = parse_flow_mask_nlattrs(encap, a, - &mask_attrs, log); + err = parse_vlan_from_nlattrs(&encap, match, + &mask_attrs, + &i_encap_valid, + a, true, log); if (err) goto free_newmask; + } else { OVS_NLERR(log, "VLAN frames must have an exact match on the TPID (mask=%x).", ntohs(eth_type)); @@ -1320,6 +1434,7 @@ static int __ovs_nla_put_key(const struct sw_flow_key *swkey, { struct ovs_key_ethernet *eth_key; struct nlattr *nla, *encap; + struct nlattr *in_encap = NULL; if (nla_put_u32(skb, OVS_KEY_ATTR_RECIRC_ID, output->recirc_id)) goto nla_put_failure; @@ -1368,17 +1483,36 @@ static int __ovs_nla_put_key(const struct sw_flow_key *swkey, ether_addr_copy(eth_key->eth_src, output->eth.src); ether_addr_copy(eth_key->eth_dst, output->eth.dst); - if (swkey->eth.tci || swkey->eth.type == htons(ETH_P_8021Q)) { + if (swkey->eth.vlan.tci || eth_type_vlan(swkey->eth.type)) { __be16 eth_type; - eth_type = !is_mask ? htons(ETH_P_8021Q) : htons(0xffff); + + eth_type = !is_mask ? output->eth.vlan.tpid : htons(0xffff); + if (nla_put_be16(skb, OVS_KEY_ATTR_ETHERTYPE, eth_type) || - nla_put_be16(skb, OVS_KEY_ATTR_VLAN, output->eth.tci)) + nla_put_be16(skb, OVS_KEY_ATTR_VLAN, output->eth.vlan.tci)) goto nla_put_failure; encap = nla_nest_start(skb, OVS_KEY_ATTR_ENCAP); - if (!swkey->eth.tci) + if (!swkey->eth.vlan.tci) goto unencap; - } else + if (swkey->eth.cvlan.tci) { + __be16 eth_type; + + /* Customer tci is nested but uses same key attribute. + */ + eth_type = !is_mask ? output->eth.cvlan.tpid : + htons(0xffff); + if (nla_put_be16(skb, OVS_KEY_ATTR_ETHERTYPE, + eth_type) || + nla_put_be16(skb, OVS_KEY_ATTR_VLAN, + output->eth.cvlan.tci)) + goto nla_put_failure; + in_encap = nla_nest_start(skb, OVS_KEY_ATTR_ENCAP); + if (!swkey->eth.cvlan.tci) + goto unencap; + } + } else { encap = NULL; + } if (swkey->eth.type == htons(ETH_P_802_2)) { /* @@ -1525,6 +1659,8 @@ static int __ovs_nla_put_key(const struct sw_flow_key *swkey, unencap: if (encap) nla_nest_end(skb, encap); + if (in_encap) + nla_nest_end(skb, in_encap); return 0; @@ -2174,7 +2310,7 @@ static int __ovs_nla_copy_actions(struct net *net, const struct nlattr *attr, case OVS_ACTION_ATTR_PUSH_VLAN: vlan = nla_data(a); - if (vlan->vlan_tpid != htons(ETH_P_8021Q)) + if (!eth_type_vlan(vlan->vlan_tpid)) return -EINVAL; if (!(vlan->vlan_tci & htons(VLAN_TAG_PRESENT))) return -EINVAL; @@ -2279,7 +2415,7 @@ int ovs_nla_copy_actions(struct net *net, const struct nlattr *attr, (*sfa)->orig_len = nla_len(attr); err = __ovs_nla_copy_actions(net, attr, key, 0, sfa, key->eth.type, - key->eth.tci, log); + key->eth.vlan.tci, log); if (err) ovs_nla_free_flow_actions(*sfa); diff --git a/net/openvswitch/vport-netdev.c b/net/openvswitch/vport-netdev.c index f7e8dcc..d2581b7 100644 --- a/net/openvswitch/vport-netdev.c +++ b/net/openvswitch/vport-netdev.c @@ -194,7 +194,9 @@ static unsigned int packet_length(const struct sk_buff *skb) { unsigned int length = skb->len - ETH_HLEN; - if (skb->protocol == htons(ETH_P_8021Q)) + if (eth_type_vlan(skb->protocol)) + length -= VLAN_HLEN; + if (skb->protocol == htons(ETH_P_8021AD)) length -= VLAN_HLEN; return length;