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27 Aug 2020 08:49:13 +0200 From: Fabian Frederick To: davem@davemloft.net, kuba@kernel.org Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org, Fabian Frederick Subject: [PATCH 1/7 net-next] vxlan: don't collect metadata if remote checksum is wrong Date: Thu, 27 Aug 2020 08:48:56 +0200 Message-Id: <20200827064856.5580-1-fabf@skynet.be> X-Mailer: git-send-email 2.27.0 MIME-Version: 1.0 Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org call vxlan_remcsum() before md filling in vxlan_rcv() Signed-off-by: Fabian Frederick --- drivers/net/vxlan.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c index b9fefe27e3e89..47c762f7f5b11 100644 --- a/drivers/net/vxlan.c +++ b/drivers/net/vxlan.c @@ -1875,6 +1875,10 @@ static int vxlan_rcv(struct sock *sk, struct sk_buff *skb) !net_eq(vxlan->net, dev_net(vxlan->dev)))) goto drop; + if (vs->flags & VXLAN_F_REMCSUM_RX) + if (!vxlan_remcsum(&unparsed, skb, vs->flags)) + goto drop; + if (vxlan_collect_metadata(vs)) { struct metadata_dst *tun_dst; @@ -1891,9 +1895,6 @@ static int vxlan_rcv(struct sock *sk, struct sk_buff *skb) memset(md, 0, sizeof(*md)); } - if (vs->flags & VXLAN_F_REMCSUM_RX) - if (!vxlan_remcsum(&unparsed, skb, vs->flags)) - goto drop; if (vs->flags & VXLAN_F_GBP) vxlan_parse_gbp_hdr(&unparsed, skb, vs->flags, md); /* Note that GBP and GPE can never be active together. 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27 Aug 2020 08:49:40 +0200 From: Fabian Frederick To: davem@davemloft.net, kuba@kernel.org Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org, Fabian Frederick Subject: [PATCH 2/7 net-next] vxlan: add unlikely to vxlan_remcsum check Date: Thu, 27 Aug 2020 08:49:23 +0200 Message-Id: <20200827064923.5632-1-fabf@skynet.be> X-Mailer: git-send-email 2.27.0 MIME-Version: 1.0 Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org small optimization around checking as it's being done in all receptions Signed-off-by: Fabian Frederick --- drivers/net/vxlan.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c index 47c762f7f5b11..cc904f003f158 100644 --- a/drivers/net/vxlan.c +++ b/drivers/net/vxlan.c @@ -1876,7 +1876,7 @@ static int vxlan_rcv(struct sock *sk, struct sk_buff *skb) goto drop; if (vs->flags & VXLAN_F_REMCSUM_RX) - if (!vxlan_remcsum(&unparsed, skb, vs->flags)) + if (unlikely(!vxlan_remcsum(&unparsed, skb, vs->flags))) goto drop; if (vxlan_collect_metadata(vs)) { From patchwork Thu Aug 27 06:49:36 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Fabian Frederick X-Patchwork-Id: 1352297 X-Patchwork-Delegate: davem@davemloft.net 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=skynet.be Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by ozlabs.org (Postfix) with ESMTP id 4BcYJD6hg7z9sRK for ; Thu, 27 Aug 2020 16:50:04 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727929AbgH0Gt6 (ORCPT ); Thu, 27 Aug 2020 02:49:58 -0400 Received: from mailrelay116.isp.belgacom.be ([195.238.20.143]:45520 "EHLO mailrelay116.isp.belgacom.be" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726123AbgH0Gtz (ORCPT ); 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27 Aug 2020 08:49:54 +0200 From: Fabian Frederick To: davem@davemloft.net, kuba@kernel.org Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org, Fabian Frederick Subject: [PATCH 3/7 net-next] vxlan: move encapsulation warning Date: Thu, 27 Aug 2020 08:49:36 +0200 Message-Id: <20200827064936.5682-1-fabf@skynet.be> X-Mailer: git-send-email 2.27.0 MIME-Version: 1.0 Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org vxlan_xmit_one() was only called from vxlan_xmit() without rdst and info was already tested. Emit warning in that function instead Signed-off-by: Fabian Frederick --- drivers/net/vxlan.c | 9 ++++----- 1 file changed, 4 insertions(+), 5 deletions(-) diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c index cc904f003f158..14f903d09c010 100644 --- a/drivers/net/vxlan.c +++ b/drivers/net/vxlan.c @@ -2650,11 +2650,6 @@ static void vxlan_xmit_one(struct sk_buff *skb, struct net_device *dev, udp_sum = !(flags & VXLAN_F_UDP_ZERO_CSUM6_TX); label = vxlan->cfg.label; } else { - if (!info) { - WARN_ONCE(1, "%s: Missing encapsulation instructions\n", - dev->name); - goto drop; - } remote_ip.sa.sa_family = ip_tunnel_info_af(info); if (remote_ip.sa.sa_family == AF_INET) { remote_ip.sin.sin_addr.s_addr = info->key.u.ipv4.dst; @@ -2889,6 +2884,10 @@ static netdev_tx_t vxlan_xmit(struct sk_buff *skb, struct net_device *dev) info->mode & IP_TUNNEL_INFO_TX) { vni = tunnel_id_to_key32(info->key.tun_id); } else { + if (!info) + WARN_ONCE(1, "%s: Missing encapsulation instructions\n", + dev->name); + if (info && info->mode & IP_TUNNEL_INFO_TX) vxlan_xmit_one(skb, dev, vni, NULL, false); else From patchwork Thu Aug 27 06:50:01 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Fabian Frederick X-Patchwork-Id: 1352298 X-Patchwork-Delegate: davem@davemloft.net 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=skynet.be Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by ozlabs.org (Postfix) with ESMTP id 4BcYJd4cgLz9sSP for ; Thu, 27 Aug 2020 16:50:25 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727950AbgH0GuT (ORCPT ); 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27 Aug 2020 08:50:17 +0200 From: Fabian Frederick To: davem@davemloft.net, kuba@kernel.org Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org, Fabian Frederick Subject: [PATCH 4/7 net-next] vxlan: check rtnl_configure_link return code correctly Date: Thu, 27 Aug 2020 08:50:01 +0200 Message-Id: <20200827065001.5734-1-fabf@skynet.be> X-Mailer: git-send-email 2.27.0 MIME-Version: 1.0 Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org rtnl_configure_link is always checked if < 0 for error code. Signed-off-by: Fabian Frederick --- drivers/net/vxlan.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c index 14f903d09c010..1e9ab1002281c 100644 --- a/drivers/net/vxlan.c +++ b/drivers/net/vxlan.c @@ -3890,7 +3890,7 @@ static int __vxlan_dev_create(struct net *net, struct net_device *dev, } err = rtnl_configure_link(dev, NULL); - if (err) + if (err < 0) goto unlink; if (f) { From patchwork Thu Aug 27 06:50:19 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Fabian Frederick X-Patchwork-Id: 1352299 X-Patchwork-Delegate: davem@davemloft.net 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=skynet.be Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by ozlabs.org (Postfix) with ESMTP id 4BcYK22lWQz9sSP for ; Thu, 27 Aug 2020 16:50:46 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727115AbgH0Guk (ORCPT ); Thu, 27 Aug 2020 02:50:40 -0400 Received: from mailrelay116.isp.belgacom.be ([195.238.20.143]:45576 "EHLO mailrelay116.isp.belgacom.be" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726123AbgH0Guk (ORCPT ); Thu, 27 Aug 2020 02:50:40 -0400 IronPort-SDR: GRLZ7WcFO6WVt6F6tdr/XT/maDaktNshkCXAQttBEndOQMdR+6zw7vGAjgtLKHV1SLTCfuOVv4 9y/XC+5kbFOdmFIs9Ec2IL0k6F+PmTsWvJ7c6pVeY1Kdvtcp8Wm8mMV8s8tQkRNJa+JHdk2MDl L6AAleUCBlg2mhawADrbcgHCxYJEw+WbIibH2yDq/tSZW8q1tv5xym0Jbjufwlugv2aCHIws20 bOlmG0TsCZ1fCU7NRP5rYqOl51BA2C3/zxES3gNNQCKg+WHiRql3tAKLiHaZLcAjm3v2MK2HAO fXQ= X-Belgacom-Dynamic: yes IronPort-PHdr: 9a23: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 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: A2DgBgD4Vkdf/xCltltfgRCBRYEcglBfjTiSS5ICCwEBAQEBAQEBATQBAgQBAYRMgjslOBMCAwEBAQMCBQEBBgEBAQEBAQUEAYYPRUMBDAGBZiKDRwsBIyOBPxKDJoJYKbMaM4QQgUODRYFCgTgBiCaFGYFBP4RfijQEj26KK5w5gm2DDIRckjYPIaBELZIeoV2Bek0gGIMkUBkNnGhCMDcCBgoBAQMJVwE9AYUginMBAQ X-IPAS-Result: A2DgBgD4Vkdf/xCltltfgRCBRYEcglBfjTiSS5ICCwEBAQEBAQEBATQBAgQBAYRMgjslOBMCAwEBAQMCBQEBBgEBAQEBAQUEAYYPRUMBDAGBZiKDRwsBIyOBPxKDJoJYKbMaM4QQgUODRYFCgTgBiCaFGYFBP4RfijQEj26KK5w5gm2DDIRckjYPIaBELZIeoV2Bek0gGIMkUBkNnGhCMDcCBgoBAQMJVwE9AYUginMBAQ Received: from 16.165-182-91.adsl-dyn.isp.belgacom.be (HELO localhost.localdomain) ([91.182.165.16]) by relay.skynet.be with ESMTP; 27 Aug 2020 08:50:35 +0200 From: Fabian Frederick To: davem@davemloft.net, kuba@kernel.org Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org, Fabian Frederick Subject: [PATCH 5/7 net-next] vxlan: add VXLAN_NL2FLAG macro Date: Thu, 27 Aug 2020 08:50:19 +0200 Message-Id: <20200827065019.5787-1-fabf@skynet.be> X-Mailer: git-send-email 2.27.0 MIME-Version: 1.0 Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Replace common flag assignment with a macro. This could yet be simplified with changelink/supported but it would remove clarity Signed-off-by: Fabian Frederick --- drivers/net/vxlan.c | 113 +++++--------------------------------------- include/net/vxlan.h | 10 ++++ 2 files changed, 23 insertions(+), 100 deletions(-) diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c index 1e9ab1002281c..e9b561b9d23e1 100644 --- a/drivers/net/vxlan.c +++ b/drivers/net/vxlan.c @@ -4034,14 +4034,7 @@ static int vxlan_nl2conf(struct nlattr *tb[], struct nlattr *data[], if (data[IFLA_VXLAN_TTL]) conf->ttl = nla_get_u8(data[IFLA_VXLAN_TTL]); - if (data[IFLA_VXLAN_TTL_INHERIT]) { - err = vxlan_nl2flag(conf, data, IFLA_VXLAN_TTL_INHERIT, - VXLAN_F_TTL_INHERIT, changelink, false, - extack); - if (err) - return err; - - } + VXLAN_NL2FLAG(IFLA_VXLAN_TTL_INHERIT, VXLAN_F_TTL_INHERIT, changelink, false); if (data[IFLA_VXLAN_LABEL]) conf->label = nla_get_be32(data[IFLA_VXLAN_LABEL]) & @@ -4061,37 +4054,10 @@ static int vxlan_nl2conf(struct nlattr *tb[], struct nlattr *data[], if (data[IFLA_VXLAN_AGEING]) conf->age_interval = nla_get_u32(data[IFLA_VXLAN_AGEING]); - if (data[IFLA_VXLAN_PROXY]) { - err = vxlan_nl2flag(conf, data, IFLA_VXLAN_PROXY, - VXLAN_F_PROXY, changelink, false, - extack); - if (err) - return err; - } - - if (data[IFLA_VXLAN_RSC]) { - err = vxlan_nl2flag(conf, data, IFLA_VXLAN_RSC, - VXLAN_F_RSC, changelink, false, - extack); - if (err) - return err; - } - - if (data[IFLA_VXLAN_L2MISS]) { - err = vxlan_nl2flag(conf, data, IFLA_VXLAN_L2MISS, - VXLAN_F_L2MISS, changelink, false, - extack); - if (err) - return err; - } - - if (data[IFLA_VXLAN_L3MISS]) { - err = vxlan_nl2flag(conf, data, IFLA_VXLAN_L3MISS, - VXLAN_F_L3MISS, changelink, false, - extack); - if (err) - return err; - } + VXLAN_NL2FLAG(IFLA_VXLAN_PROXY, VXLAN_F_PROXY, changelink, false); + VXLAN_NL2FLAG(IFLA_VXLAN_RSC, VXLAN_F_RSC, changelink, false); + VXLAN_NL2FLAG(IFLA_VXLAN_L2MISS, VXLAN_F_L2MISS, changelink, false); + VXLAN_NL2FLAG(IFLA_VXLAN_L3MISS, VXLAN_F_L3MISS, changelink, false); if (data[IFLA_VXLAN_LIMIT]) { if (changelink) { @@ -4102,13 +4068,7 @@ static int vxlan_nl2conf(struct nlattr *tb[], struct nlattr *data[], conf->addrmax = nla_get_u32(data[IFLA_VXLAN_LIMIT]); } - if (data[IFLA_VXLAN_COLLECT_METADATA]) { - err = vxlan_nl2flag(conf, data, IFLA_VXLAN_COLLECT_METADATA, - VXLAN_F_COLLECT_METADATA, changelink, false, - extack); - if (err) - return err; - } + VXLAN_NL2FLAG(IFLA_VXLAN_COLLECT_METADATA, VXLAN_F_COLLECT_METADATA, changelink, false); if (data[IFLA_VXLAN_PORT_RANGE]) { if (!changelink) { @@ -4142,60 +4102,13 @@ static int vxlan_nl2conf(struct nlattr *tb[], struct nlattr *data[], conf->flags |= VXLAN_F_UDP_ZERO_CSUM_TX; } - if (data[IFLA_VXLAN_UDP_ZERO_CSUM6_TX]) { - err = vxlan_nl2flag(conf, data, IFLA_VXLAN_UDP_ZERO_CSUM6_TX, - VXLAN_F_UDP_ZERO_CSUM6_TX, changelink, - false, extack); - if (err) - return err; - } - - if (data[IFLA_VXLAN_UDP_ZERO_CSUM6_RX]) { - err = vxlan_nl2flag(conf, data, IFLA_VXLAN_UDP_ZERO_CSUM6_RX, - VXLAN_F_UDP_ZERO_CSUM6_RX, changelink, - false, extack); - if (err) - return err; - } - - if (data[IFLA_VXLAN_REMCSUM_TX]) { - err = vxlan_nl2flag(conf, data, IFLA_VXLAN_REMCSUM_TX, - VXLAN_F_REMCSUM_TX, changelink, false, - extack); - if (err) - return err; - } - - if (data[IFLA_VXLAN_REMCSUM_RX]) { - err = vxlan_nl2flag(conf, data, IFLA_VXLAN_REMCSUM_RX, - VXLAN_F_REMCSUM_RX, changelink, false, - extack); - if (err) - return err; - } - - if (data[IFLA_VXLAN_GBP]) { - err = vxlan_nl2flag(conf, data, IFLA_VXLAN_GBP, - VXLAN_F_GBP, changelink, false, extack); - if (err) - return err; - } - - if (data[IFLA_VXLAN_GPE]) { - err = vxlan_nl2flag(conf, data, IFLA_VXLAN_GPE, - VXLAN_F_GPE, changelink, false, - extack); - if (err) - return err; - } - - if (data[IFLA_VXLAN_REMCSUM_NOPARTIAL]) { - err = vxlan_nl2flag(conf, data, IFLA_VXLAN_REMCSUM_NOPARTIAL, - VXLAN_F_REMCSUM_NOPARTIAL, changelink, - false, extack); - if (err) - return err; - } + VXLAN_NL2FLAG(IFLA_VXLAN_UDP_ZERO_CSUM6_TX, VXLAN_F_UDP_ZERO_CSUM6_TX, changelink, false); + VXLAN_NL2FLAG(IFLA_VXLAN_UDP_ZERO_CSUM6_RX, VXLAN_F_UDP_ZERO_CSUM6_RX, changelink, false); + VXLAN_NL2FLAG(IFLA_VXLAN_REMCSUM_TX, IFLA_VXLAN_REMCSUM_TX, changelink, false); + VXLAN_NL2FLAG(IFLA_VXLAN_REMCSUM_RX, VXLAN_F_REMCSUM_RX, changelink, false); + VXLAN_NL2FLAG(IFLA_VXLAN_GBP, VXLAN_F_GBP, changelink, false); + VXLAN_NL2FLAG(IFLA_VXLAN_GPE, VXLAN_F_GPE, changelink, false); + VXLAN_NL2FLAG(IFLA_VXLAN_REMCSUM_NOPARTIAL, VXLAN_F_REMCSUM_NOPARTIAL, changelink, false); if (tb[IFLA_MTU]) { if (changelink) { diff --git a/include/net/vxlan.h b/include/net/vxlan.h index 3a41627cbdfe5..8a56b7a0f75f9 100644 --- a/include/net/vxlan.h +++ b/include/net/vxlan.h @@ -290,6 +290,16 @@ struct vxlan_dev { VXLAN_F_UDP_ZERO_CSUM6_RX | \ VXLAN_F_COLLECT_METADATA) + +#define VXLAN_NL2FLAG(iflag, flag, changelink, changelink_supported) { \ + if (data[iflag]) { \ + err = vxlan_nl2flag(conf, data, iflag, flag, changelink, \ + changelink_supported, extack); \ + if (err) \ + return err; \ + } \ +} + struct net_device *vxlan_dev_create(struct net *net, const char *name, u8 name_assign_type, struct vxlan_config *conf); From patchwork Thu Aug 27 06:50:35 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Fabian Frederick X-Patchwork-Id: 1352300 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming-netdev@ozlabs.org Delivered-To: patchwork-incoming-netdev@ozlabs.org Authentication-Results: ozlabs.org; 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27 Aug 2020 08:50:50 +0200 From: Fabian Frederick To: davem@davemloft.net, kuba@kernel.org Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org, Fabian Frederick Subject: [PATCH 6/7 net-next] vxlan: merge VXLAN_NL2FLAG use in vxlan_nl2conf() Date: Thu, 27 Aug 2020 08:50:35 +0200 Message-Id: <20200827065035.5837-1-fabf@skynet.be> X-Mailer: git-send-email 2.27.0 MIME-Version: 1.0 Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Sort flag assignment to add readability. Signed-off-by: Fabian Frederick --- drivers/net/vxlan.c | 27 ++++++++++++--------------- 1 file changed, 12 insertions(+), 15 deletions(-) diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c index e9b561b9d23e1..1501a5633a97e 100644 --- a/drivers/net/vxlan.c +++ b/drivers/net/vxlan.c @@ -4035,6 +4035,18 @@ static int vxlan_nl2conf(struct nlattr *tb[], struct nlattr *data[], conf->ttl = nla_get_u8(data[IFLA_VXLAN_TTL]); VXLAN_NL2FLAG(IFLA_VXLAN_TTL_INHERIT, VXLAN_F_TTL_INHERIT, changelink, false); + VXLAN_NL2FLAG(IFLA_VXLAN_PROXY, VXLAN_F_PROXY, changelink, false); + VXLAN_NL2FLAG(IFLA_VXLAN_RSC, VXLAN_F_RSC, changelink, false); + VXLAN_NL2FLAG(IFLA_VXLAN_L2MISS, VXLAN_F_L2MISS, changelink, false); + VXLAN_NL2FLAG(IFLA_VXLAN_L3MISS, VXLAN_F_L3MISS, changelink, false); + VXLAN_NL2FLAG(IFLA_VXLAN_COLLECT_METADATA, VXLAN_F_COLLECT_METADATA, changelink, false); + VXLAN_NL2FLAG(IFLA_VXLAN_UDP_ZERO_CSUM6_TX, VXLAN_F_UDP_ZERO_CSUM6_TX, changelink, false); + VXLAN_NL2FLAG(IFLA_VXLAN_UDP_ZERO_CSUM6_RX, VXLAN_F_UDP_ZERO_CSUM6_RX, changelink, false); + VXLAN_NL2FLAG(IFLA_VXLAN_REMCSUM_TX, IFLA_VXLAN_REMCSUM_TX, changelink, false); + VXLAN_NL2FLAG(IFLA_VXLAN_REMCSUM_RX, VXLAN_F_REMCSUM_RX, changelink, false); + VXLAN_NL2FLAG(IFLA_VXLAN_GBP, VXLAN_F_GBP, changelink, false); + VXLAN_NL2FLAG(IFLA_VXLAN_GPE, VXLAN_F_GPE, changelink, false); + VXLAN_NL2FLAG(IFLA_VXLAN_REMCSUM_NOPARTIAL, VXLAN_F_REMCSUM_NOPARTIAL, changelink, false); if (data[IFLA_VXLAN_LABEL]) conf->label = nla_get_be32(data[IFLA_VXLAN_LABEL]) & @@ -4054,11 +4066,6 @@ static int vxlan_nl2conf(struct nlattr *tb[], struct nlattr *data[], if (data[IFLA_VXLAN_AGEING]) conf->age_interval = nla_get_u32(data[IFLA_VXLAN_AGEING]); - VXLAN_NL2FLAG(IFLA_VXLAN_PROXY, VXLAN_F_PROXY, changelink, false); - VXLAN_NL2FLAG(IFLA_VXLAN_RSC, VXLAN_F_RSC, changelink, false); - VXLAN_NL2FLAG(IFLA_VXLAN_L2MISS, VXLAN_F_L2MISS, changelink, false); - VXLAN_NL2FLAG(IFLA_VXLAN_L3MISS, VXLAN_F_L3MISS, changelink, false); - if (data[IFLA_VXLAN_LIMIT]) { if (changelink) { NL_SET_ERR_MSG_ATTR(extack, tb[IFLA_VXLAN_LIMIT], @@ -4068,8 +4075,6 @@ static int vxlan_nl2conf(struct nlattr *tb[], struct nlattr *data[], conf->addrmax = nla_get_u32(data[IFLA_VXLAN_LIMIT]); } - VXLAN_NL2FLAG(IFLA_VXLAN_COLLECT_METADATA, VXLAN_F_COLLECT_METADATA, changelink, false); - if (data[IFLA_VXLAN_PORT_RANGE]) { if (!changelink) { const struct ifla_vxlan_port_range *p @@ -4102,14 +4107,6 @@ static int vxlan_nl2conf(struct nlattr *tb[], struct nlattr *data[], conf->flags |= VXLAN_F_UDP_ZERO_CSUM_TX; } - VXLAN_NL2FLAG(IFLA_VXLAN_UDP_ZERO_CSUM6_TX, VXLAN_F_UDP_ZERO_CSUM6_TX, changelink, false); - VXLAN_NL2FLAG(IFLA_VXLAN_UDP_ZERO_CSUM6_RX, VXLAN_F_UDP_ZERO_CSUM6_RX, changelink, false); - VXLAN_NL2FLAG(IFLA_VXLAN_REMCSUM_TX, IFLA_VXLAN_REMCSUM_TX, changelink, false); - VXLAN_NL2FLAG(IFLA_VXLAN_REMCSUM_RX, VXLAN_F_REMCSUM_RX, changelink, false); - VXLAN_NL2FLAG(IFLA_VXLAN_GBP, VXLAN_F_GBP, changelink, false); - VXLAN_NL2FLAG(IFLA_VXLAN_GPE, VXLAN_F_GPE, changelink, false); - VXLAN_NL2FLAG(IFLA_VXLAN_REMCSUM_NOPARTIAL, VXLAN_F_REMCSUM_NOPARTIAL, changelink, false); - if (tb[IFLA_MTU]) { if (changelink) { NL_SET_ERR_MSG_ATTR(extack, tb[IFLA_MTU], From patchwork Thu Aug 27 06:50:46 2020 Content-Type: text/plain; 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27 Aug 2020 08:51:01 +0200 From: Fabian Frederick To: davem@davemloft.net, kuba@kernel.org Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org, Fabian Frederick Subject: [PATCH 7/7 net-next] vxlan: fix vxlan_find_sock() documentation for l3mdev Date: Thu, 27 Aug 2020 08:50:46 +0200 Message-Id: <20200827065046.5888-1-fabf@skynet.be> X-Mailer: git-send-email 2.27.0 MIME-Version: 1.0 Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Since commit aab8cc3630e32 ("vxlan: add support for underlay in non-default VRF") vxlan_find_sock() also checks if socket is assigned to the right level 3 master device when lower device is not in the default VRF. Signed-off-by: Fabian Frederick --- drivers/net/vxlan.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c index 1501a5633a97e..2c6189e988ba3 100644 --- a/drivers/net/vxlan.c +++ b/drivers/net/vxlan.c @@ -190,8 +190,9 @@ static inline struct vxlan_rdst *first_remote_rtnl(struct vxlan_fdb *fdb) return list_first_entry(&fdb->remotes, struct vxlan_rdst, list); } -/* Find VXLAN socket based on network namespace, address family and UDP port - * and enabled unshareable flags. +/* Find VXLAN socket based on network namespace, address family, UDP port, + * enabled unshareable flags and socket device binding (see l3mdev with + * non-default VRF). */ static struct vxlan_sock *vxlan_find_sock(struct net *net, sa_family_t family, __be16 port, u32 flags, int ifindex)