xfrm: SA lookups signature with mark

pass mark to all SA lookups to prepare them for when we add code
to have them search.

Signed-off-by: Jamal Hadi Salim <hadi@cyberus.ca>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 4 insertions, 2 deletions

diff --git a/net/ipv4/ipcomp.c b/net/ipv4/ipcomp.c
index 83ed71500898..629067571f02 100644
--- a/net/ipv4/ipcomp.c
+++ b/net/ipv4/ipcomp.c
@@ -36,7 +36,7 @@ static void ipcomp4_err(struct sk_buff *skb, u32 info)
                 return;
 
         spi = htonl(ntohs(ipch->cpi));
-        x = xfrm_state_lookup(net, (xfrm_address_t *)&iph->daddr,
+        x = xfrm_state_lookup(net, skb->mark, (xfrm_address_t *)&iph->daddr,
                               spi, IPPROTO_COMP, AF_INET);
         if (!x)
                 return;
@@ -63,6 +63,7 @@ static struct xfrm_state *ipcomp_tunnel_create(struct xfrm_state *x)
         t->props.mode = x->props.mode;
         t->props.saddr.a4 = x->props.saddr.a4;
         t->props.flags = x->props.flags;
+        memcpy(&t->mark, &x->mark, sizeof(t->mark));
 
         if (xfrm_init_state(t))
                 goto error;
@@ -87,8 +88,9 @@ static int ipcomp_tunnel_attach(struct xfrm_state *x)
         struct net *net = xs_net(x);
         int err = 0;
         struct xfrm_state *t;
+        u32 mark = x->mark.v & x->mark.m;
 
-        t = xfrm_state_lookup(net, (xfrm_address_t *)&x->id.daddr.a4,
+        t = xfrm_state_lookup(net, mark, (xfrm_address_t *)&x->id.daddr.a4,
                               x->props.saddr.a4, IPPROTO_IPIP, AF_INET);
         if (!t) {
                 t = ipcomp_tunnel_create(x);