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net: Add support for VRFs to inetpeer cache

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inetpeer caches based on address only, so duplicate IP addresses within
a namespace return the same cached entry. Enhance the ipv4 address key
to contain both the IPv4 address and VRF device index.

Signed-off-by: David Ahern <dsa@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David Ahern
2015-08-27 16:07:03 -07:00
committed by David S. Miller
parent 5345c2e12d
commit 192132b9a0
4 changed files with 21 additions and 9 deletions
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3
net/ipv4/icmp.c
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@@ -309,9 +309,10 @@ static bool icmpv4_xrlim_allow(struct net *net, struct rtable *rt,
rc = false;
if (icmp_global_allow()) {
int vif = vrf_master_ifindex(dst->dev);
struct inet_peer *peer;
peer = inet_getpeer_v4(net->ipv4.peers, fl4->daddr, 1);
peer = inet_getpeer_v4(net->ipv4.peers, fl4->daddr, vif, 1);
rc = inet_peer_xrlim_allow(peer,
net->ipv4.sysctl_icmp_ratelimit);
if (peer)