L2 BD: introduce a BD interface on which to send UU packets

Change-Id: I21ad6b04c19c8735d057174b1f260a59f2812241
Signed-off-by: Neale Ranns <nranns@cisco.com>
diff --git a/src/vnet/l2/l2_xcrw.c b/src/vnet/l2/l2_xcrw.c
index d08a5d8..334e864 100644
--- a/src/vnet/l2/l2_xcrw.c
+++ b/src/vnet/l2/l2_xcrw.c
@@ -366,8 +366,8 @@
       if (vec_len (rewrite))
 	vnet_rewrite_set_data (a[0], rewrite, vec_len (rewrite));
 
-      set_int_l2_mode (vm, vnm, MODE_L2_XC, t->l2_sw_if_index, 0, 0, 0,
-		       t->tunnel_sw_if_index);
+      set_int_l2_mode (vm, vnm, MODE_L2_XC, t->l2_sw_if_index, 0,
+		       L2_BD_PORT_TYPE_NORMAL, 0, t->tunnel_sw_if_index);
       hash_set (xcm->tunnel_index_by_l2_sw_if_index,
 		t->l2_sw_if_index, t - xcm->tunnels);
       return 0;
@@ -384,7 +384,8 @@
       /* Reset adj to drop traffic */
       memset (a, 0, sizeof (*a));
 
-      set_int_l2_mode (vm, vnm, MODE_L3, t->l2_sw_if_index, 0, 0, 0, 0);
+      set_int_l2_mode (vm, vnm, MODE_L3, t->l2_sw_if_index, 0,
+		       L2_BD_PORT_TYPE_NORMAL, 0, 0);
 
       vnet_sw_interface_set_flags (vnm, t->tunnel_sw_if_index, 0 /* down */ );