diff options
| author |   David Ahern <dsa@cumulusnetworks.com> | 2015-08-27 16:07:03 -0700 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2015-08-28 13:32:36 -0700 |
| commit | 192132b9a034d87566294be0fba5f8f75c2cf16b (patch) | |
| tree | c4d7126eb3cd4eb84effc223fb98fdf8e0b80658 /net/ipv4 | |
| parent | net: Refactor inetpeer address struct (diff) | |
| download | linux-dev-192132b9a034d87566294be0fba5f8f75c2cf16b.tar.xz linux-dev-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 '')
| -rw-r--r-- | net/ipv4/icmp.c | 3 | ||||
| -rw-r--r-- | net/ipv4/ip_fragment.c | 3 | ||||
| -rw-r--r-- | net/ipv4/route.c | 7 |
3 files changed, 9 insertions, 4 deletions
diff --git a/net/ipv4/icmp.c b/net/ipv4/icmp.c index f16488efa1c8..79fe05befcae 100644 --- a/net/ipv4/icmp.c +++ b/net/ipv4/icmp.c @@ -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) diff --git a/net/ipv4/ip_fragment.c b/net/ipv4/ip_fragment.c index 15762e758861..fa7f15305f9a 100644 --- a/net/ipv4/ip_fragment.c +++ b/net/ipv4/ip_fragment.c @@ -151,7 +151,8 @@ static void ip4_frag_init(struct inet_frag_queue *q, const void *a) qp->vif = arg->vif; qp->user = arg->user; qp->peer = sysctl_ipfrag_max_dist ? - inet_getpeer_v4(net->ipv4.peers, arg->iph->saddr, 1) : NULL; + inet_getpeer_v4(net->ipv4.peers, arg->iph->saddr, arg->vif, 1) : + NULL; } static void ip4_frag_free(struct inet_frag_queue *q) 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) { |