From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Ahern Subject: [PATCH net-next 04/16] net: Use VRF device index for lookups on RX Date: Mon, 27 Jul 2015 12:30:57 -0600 Message-ID: <1438021869-49186-5-git-send-email-dsa@cumulusnetworks.com> References: <1438021869-49186-1-git-send-email-dsa@cumulusnetworks.com> Cc: shm@cumulusnetworks.com, roopa@cumulusnetworks.com, gospo@cumulusnetworks.com, jtoppins@cumulusnetworks.com, nikolay@cumulusnetworks.com, ddutt@cumulusnetworks.com, hannes@stressinduktion.org, nicolas.dichtel@6wind.com, stephen@networkplumber.org, hadi@mojatatu.com, ebiederm@xmission.com, davem@davemloft.net, svaidya@brocade.com, mingo@kernel.org, luto@amacapital.net, David Ahern To: netdev@vger.kernel.org Return-path: Received: from mail-ig0-f181.google.com ([209.85.213.181]:38487 "EHLO mail-ig0-f181.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753628AbbG0Sc6 (ORCPT ); Mon, 27 Jul 2015 14:32:58 -0400 Received: by iggf3 with SMTP id f3so89044551igg.1 for ; Mon, 27 Jul 2015 11:32:57 -0700 (PDT) In-Reply-To: <1438021869-49186-1-git-send-email-dsa@cumulusnetworks.com> Sender: netdev-owner@vger.kernel.org List-ID: On ingress use index of VRF master device for route lookups if real device is enslaved. Rules are expected to be installed for the VRF device to direct lookups to a specific table. Signed-off-by: Shrijeet Mukherjee Signed-off-by: David Ahern --- net/ipv4/fib_frontend.c | 8 +++++++- net/ipv4/route.c | 3 ++- 2 files changed, 9 insertions(+), 2 deletions(-) diff --git a/net/ipv4/fib_frontend.c b/net/ipv4/fib_frontend.c index c565fc182240..6e68a003d0fd 100644 --- a/net/ipv4/fib_frontend.c +++ b/net/ipv4/fib_frontend.c @@ -45,6 +45,7 @@ #include #include #include +#include #ifndef CONFIG_IP_MULTIPLE_TABLES @@ -311,7 +312,9 @@ static int __fib_validate_source(struct sk_buff *skb, __be32 src, __be32 dst, bool dev_match; fl4.flowi4_oif = 0; - fl4.flowi4_iif = oif ? : LOOPBACK_IFINDEX; + fl4.flowi4_iif = vrf_master_dev_ifindex(dev); + if (!fl4.flowi4_iif) + fl4.flowi4_iif = oif ? : LOOPBACK_IFINDEX; fl4.daddr = src; fl4.saddr = dst; fl4.flowi4_tos = tos; @@ -341,6 +344,9 @@ static int __fib_validate_source(struct sk_buff *skb, __be32 src, __be32 dst, if (nh->nh_dev == dev) { dev_match = true; break; + } else if (vrf_master_dev_ifindex(nh->nh_dev) == dev->ifindex) { + dev_match = true; + break; } } #else diff --git a/net/ipv4/route.c b/net/ipv4/route.c index ef140919211f..ba74c83c05be 100644 --- a/net/ipv4/route.c +++ b/net/ipv4/route.c @@ -112,6 +112,7 @@ #endif #include #include +#include #define RT_FL_TOS(oldflp4) \ ((oldflp4)->flowi4_tos & (IPTOS_RT_MASK | RTO_ONLINK)) @@ -1735,7 +1736,7 @@ static int ip_route_input_slow(struct sk_buff *skb, __be32 daddr, __be32 saddr, * Now we are ready to route packet. */ fl4.flowi4_oif = 0; - fl4.flowi4_iif = dev->ifindex; + fl4.flowi4_iif = vrf_master_dev_ifindex(dev) ? : dev->ifindex; fl4.flowi4_mark = skb->mark; fl4.flowi4_tos = tos; fl4.flowi4_scope = RT_SCOPE_UNIVERSE; -- 2.3.2 (Apple Git-55)