[XFRM] IPv6: Fix dst/routing check at transformation.

[mv-sheeva.git] / net / ipv6 / xfrm6_policy.c

diff --git a/net/ipv6/xfrm6_policy.c b/net/ipv6/xfrm6_policy.c
index d26b7dc3f33b51a299db75969cb2cd9322f45924..cf373b46a1baa9460d0d48333b253ea21a19deb8 100644 (file)
--- a/net/ipv6/xfrm6_policy.c
+++ b/net/ipv6/xfrm6_policy.c
@@ -98,6 +98,20 @@ static int xfrm6_get_tos(struct flowi *fl)
        return 0;
 }
 
+static int xfrm6_init_path(struct xfrm_dst *path, struct dst_entry *dst,
+                          int nfheader_len)
+{
+       if (dst->ops->family == AF_INET6) {
+               struct rt6_info *rt = (struct rt6_info*)dst;
+               if (rt->rt6i_node)
+                       path->path_cookie = rt->rt6i_node->fn_sernum;
+       }
+
+       path->u.rt6.rt6i_nfheader_len = nfheader_len;
+
+       return 0;
+}
+
 static int xfrm6_fill_dst(struct xfrm_dst *xdst, struct net_device *dev)
 {
        struct rt6_info *rt = (struct rt6_info*)xdst->route;
@@ -115,6 +129,8 @@ static int xfrm6_fill_dst(struct xfrm_dst *xdst, struct net_device *dev)
                                                   RTF_LOCAL);
        xdst->u.rt6.rt6i_metric = rt->rt6i_metric;
        xdst->u.rt6.rt6i_node = rt->rt6i_node;
+       if (rt->rt6i_node)
+               xdst->route_cookie = rt->rt6i_node->fn_sernum;
        xdst->u.rt6.rt6i_gateway = rt->rt6i_gateway;
        xdst->u.rt6.rt6i_dst = rt->rt6i_dst;
        xdst->u.rt6.rt6i_src = rt->rt6i_src;
@@ -266,6 +282,7 @@ static struct xfrm_policy_afinfo xfrm6_policy_afinfo = {
        .find_bundle =          __xfrm6_find_bundle,
        .decode_session =       _decode_session6,
        .get_tos =              xfrm6_get_tos,
+       .init_path =            xfrm6_init_path,
        .fill_dst =             xfrm6_fill_dst,
 };