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authorDavid Ahern <dsa@cumulusnetworks.com>2015-08-28 01:07:03 +0200
committerDavid S. Miller <davem@davemloft.net>2015-08-28 22:32:36 +0200
commit192132b9a034d87566294be0fba5f8f75c2cf16b (patch)
treec4d7126eb3cd4eb84effc223fb98fdf8e0b80658 /net/ipv4/route.c
parentnet: Refactor inetpeer address struct (diff)
downloadlinux-192132b9a034d87566294be0fba5f8f75c2cf16b.tar.xz
linux-192132b9a034d87566294be0fba5f8f75c2cf16b.zip
net: Add support for VRFs to inetpeer cache
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>
Diffstat (limited to 'net/ipv4/route.c')
-rw-r--r--net/ipv4/route.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index f3087aaa6dd8..6b91879e9cbe 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -838,6 +838,7 @@ void ip_rt_send_redirect(struct sk_buff *skb)
struct inet_peer *peer;
struct net *net;
int log_martians;
+ int vif;
rcu_read_lock();
in_dev = __in_dev_get_rcu(rt->dst.dev);
@@ -846,10 +847,11 @@ void ip_rt_send_redirect(struct sk_buff *skb)
return;
}
log_martians = IN_DEV_LOG_MARTIANS(in_dev);
+ vif = vrf_master_ifindex_rcu(rt->dst.dev);
rcu_read_unlock();
net = dev_net(rt->dst.dev);
- peer = inet_getpeer_v4(net->ipv4.peers, ip_hdr(skb)->saddr, 1);
+ peer = inet_getpeer_v4(net->ipv4.peers, ip_hdr(skb)->saddr, vif, 1);
if (!peer) {
icmp_send(skb, ICMP_REDIRECT, ICMP_REDIR_HOST,
rt_nexthop(rt, ip_hdr(skb)->daddr));
@@ -938,7 +940,8 @@ static int ip_error(struct sk_buff *skb)
break;
}
- peer = inet_getpeer_v4(net->ipv4.peers, ip_hdr(skb)->saddr, 1);
+ peer = inet_getpeer_v4(net->ipv4.peers, ip_hdr(skb)->saddr,
+ vrf_master_ifindex(skb->dev), 1);
send = true;
if (peer) {