openvswitch: Introduce ovs_tunnel_route_lookup

Introduce ovs_tunnel_route_lookup to consolidate route lookup
shared by vxlan, gre, and geneve ports.

Signed-off-by: Fan Du <fan.du@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 1 insertions, 8 deletions

diff --git a/net/openvswitch/vport.c b/net/openvswitch/vport.c
index 464739aac0f3..ec2954ffc690 100644
--- a/net/openvswitch/vport.c
+++ b/net/openvswitch/vport.c
@@ -595,14 +595,7 @@ int ovs_tunnel_get_egress_info(struct ovs_tunnel_info *egress_tun_info,
          * The process may need to be changed if the corresponding process
          * in vports ops changed.
          */
-        memset(&fl, 0, sizeof(fl));
-        fl.daddr = tun_key->ipv4_dst;
-        fl.saddr = tun_key->ipv4_src;
-        fl.flowi4_tos = RT_TOS(tun_key->ipv4_tos);
-        fl.flowi4_mark = skb_mark;
-        fl.flowi4_proto = ipproto;
-
-        rt = ip_route_output_key(net, &fl);
+        rt = ovs_tunnel_route_lookup(net, tun_key, skb_mark, &fl, ipproto);
         if (IS_ERR(rt))
                 return PTR_ERR(rt);