udp: fix for unicast RX path optimization

[safe/jmp/linux-2.6] / net / ipv4 / ipcomp.c

diff --git a/net/ipv4/ipcomp.c b/net/ipv4/ipcomp.c
index 0a35f1b..6290675 100644 (file)
--- a/net/ipv4/ipcomp.c
+++ b/net/ipv4/ipcomp.c
@@ -25,6 +25,7 @@
 
 static void ipcomp4_err(struct sk_buff *skb, u32 info)
 {
+       struct net *net = dev_net(skb->dev);
        __be32 spi;
        struct iphdr *iph = (struct iphdr *)skb->data;
        struct ip_comp_hdr *ipch = (struct ip_comp_hdr *)(skb->data+(iph->ihl<<2));
@@ -35,7 +36,7 @@ static void ipcomp4_err(struct sk_buff *skb, u32 info)
                return;
 
        spi = htonl(ntohs(ipch->cpi));
-       x = xfrm_state_lookup((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;
@@ -47,9 +48,10 @@ static void ipcomp4_err(struct sk_buff *skb, u32 info)
 /* We always hold one tunnel user reference to indicate a tunnel */
 static struct xfrm_state *ipcomp_tunnel_create(struct xfrm_state *x)
 {
+       struct net *net = xs_net(x);
        struct xfrm_state *t;
 
-       t = xfrm_state_alloc(&init_net);
+       t = xfrm_state_alloc(net);
        if (t == NULL)
                goto out;
 
@@ -61,6 +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;
@@ -82,10 +85,12 @@ error:
  */
 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((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);
@@ -124,16 +129,12 @@ static int ipcomp4_init_state(struct xfrm_state *x)
        if (x->props.mode == XFRM_MODE_TUNNEL) {
                err = ipcomp_tunnel_attach(x);
                if (err)
-                       goto error_tunnel;
+                       goto out;
        }
 
        err = 0;
 out:
        return err;
-
-error_tunnel:
-       ipcomp_destroy(x);
-       goto out;
 }
 
 static const struct xfrm_type ipcomp_type = {
@@ -146,7 +147,7 @@ static const struct xfrm_type ipcomp_type = {
        .output         = ipcomp_output
 };
 
-static struct net_protocol ipcomp4_protocol = {
+static const struct net_protocol ipcomp4_protocol = {
        .handler        =       xfrm4_rcv,
        .err_handler    =       ipcomp4_err,
        .no_policy      =       1,