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net: Use VRF device index for lookups on RX

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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 <shm@cumulusnetworks.com>
Signed-off-by: David Ahern <dsa@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David Ahern
2015-08-13 14:59:01 -06:00
committed by David S. Miller
parent 4e3c89920c
commit cd2fbe1b6b
2 changed files with 9 additions and 2 deletions
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8
net/ipv4/fib_frontend.c
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@@ -45,6 +45,7 @@
#include <net/ip_fib.h>
#include <net/rtnetlink.h>
#include <net/xfrm.h>
#include <net/vrf.h>
#ifndef CONFIG_IP_MULTIPLE_TABLES
@@ -309,7 +310,9 @@ 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_ifindex_rcu(dev);
if (!fl4.flowi4_iif)
fl4.flowi4_iif = oif ? : LOOPBACK_IFINDEX;
fl4.daddr = src;
fl4.saddr = dst;
fl4.flowi4_tos = tos;
@@ -339,6 +342,9 @@ 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_ifindex_rcu(nh->nh_dev) == dev->ifindex) {
dev_match = true;
break;
}
}
#else