datapath: Update for changes in 2.6.39-rc1

Update for flowi4 and ip_route_output_flow() changes
in 2.6.39-rc1.

Signed-off-by: Simon Horman <horms@verge.net.au>
[Jesse: drop redundant unlikely() from IS_ERR()]
Signed-off-by: Jesse Gross <jesse@nicira.com>

diff --git a/datapath/tunnel.c b/datapath/tunnel.c
index 7863b7a..899d1cd 100644 (file)
--- a/datapath/tunnel.c
+++ b/datapath/tunnel.c
@@ -991,6 +991,7 @@ static struct rtable *find_route(struct vport *vport,
                return cur_cache->rt;
        } else {
                struct rtable *rt;
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,39)
                struct flowi fl = { .nl_u = { .ip4_u =
                                              { .daddr = mutable->daddr,
                                                .saddr = mutable->saddr,
@@ -999,6 +1000,16 @@ static struct rtable *find_route(struct vport *vport,
 
                if (unlikely(ip_route_output_key(&init_net, &rt, &fl)))
                        return NULL;
+#else
+               struct flowi4 fl = { .daddr = mutable->daddr,
+                                    .saddr = mutable->saddr,
+                                    .flowi4_tos = tos,
+                                    .flowi4_proto = tnl_vport->tnl_ops->ipproto };
+
+               rt = ip_route_output_key(&init_net, &fl);
+               if (IS_ERR(rt))
+                       return NULL;
+#endif
 
                if (likely(tos == mutable->tos))
                        *cache = build_cache(vport, mutable, rt);