5 files changed, 40 insertions, 5 deletions

diff --git a/src/vnet/interface.h b/src/vnet/interface.h
index 7b791751392..ef8f9118fbe 100644
--- a/src/vnet/interface.h
+++ b/src/vnet/interface.h
@@ -538,6 +538,9 @@ typedef struct
 
 #define VNET_SW_INTERFACE_FLAG_BOND_SLAVE (1 << 4)
 
+/* Interface does not appear in CLI/API */
+#define VNET_SW_INTERFACE_FLAG_HIDDEN (1 << 5)
+
   /* Index for this interface. */
   u32 sw_if_index;
 
diff --git a/src/vnet/interface_cli.c b/src/vnet/interface_cli.c
index 7dbee867ded..bd715e4ea4b 100644
--- a/src/vnet/interface_cli.c
+++ b/src/vnet/interface_cli.c
@@ -285,8 +285,9 @@ show_sw_interfaces (vlib_main_t * vm,
       _vec_len (sorted_sis) = 0;
       pool_foreach (si, im->sw_interfaces, (
 					     {
-					     vec_add1 (sorted_sis, si[0]);
-					     }
+					     if (vnet_swif_is_api_visible
+						 (si)) vec_add1 (sorted_sis,
+								 si[0]);}
 		    ));
 
       /* Sort by name. */
diff --git a/src/vnet/interface_format.c b/src/vnet/interface_format.c
index b3a30622031..b961c778d2c 100644
--- a/src/vnet/interface_format.c
+++ b/src/vnet/interface_format.c
@@ -321,6 +321,7 @@ unformat_vnet_sw_interface (unformat_input_t * input, va_list * args)
   u32 *result = va_arg (*args, u32 *);
   vnet_hw_interface_t *hi;
   u32 hw_if_index, id, id_specified;
+  u32 sw_if_index;
   u8 *if_name = 0;
   uword *p, error = 0;
 
@@ -340,14 +341,17 @@ unformat_vnet_sw_interface (unformat_input_t * input, va_list * args)
   hi = vnet_get_hw_interface (vnm, hw_if_index);
   if (!id_specified)
     {
-      *result = hi->sw_if_index;
+      sw_if_index = hi->sw_if_index;
     }
   else
     {
       if (!(p = hash_get (hi->sub_interface_sw_if_index_by_id, id)))
-	return 0;
-      *result = p[0];
+	goto done;
+      sw_if_index = p[0];
     }
+  if (!vnet_sw_interface_is_api_visible (vnm, sw_if_index))
+    goto done;
+  *result = sw_if_index;
   error = 1;
 done:
   vec_free (if_name);
diff --git a/src/vnet/interface_funcs.h b/src/vnet/interface_funcs.h
index ab808dfa545..b3aca2fdd28 100644
--- a/src/vnet/interface_funcs.h
+++ b/src/vnet/interface_funcs.h
@@ -183,6 +183,26 @@ vnet_sw_interface_is_admin_up (vnet_main_t * vnm, u32 sw_if_index)
 }
 
 always_inline uword
+vnet_swif_is_api_visible (vnet_sw_interface_t * si)
+{
+  return !(si->flags & VNET_SW_INTERFACE_FLAG_HIDDEN);
+}
+
+always_inline uword
+vnet_sw_interface_is_api_visible (vnet_main_t * vnm, u32 sw_if_index)
+{
+  vnet_sw_interface_t *si = vnet_get_sw_interface (vnm, sw_if_index);
+  return vnet_swif_is_api_visible (si);
+}
+
+always_inline uword
+vnet_sw_interface_is_api_valid (vnet_main_t * vnm, u32 sw_if_index)
+{
+  return !pool_is_free_index (vnm->interface_main.sw_interfaces, sw_if_index)
+    && vnet_sw_interface_is_api_visible (vnm, sw_if_index);
+}
+
+always_inline uword
 vnet_hw_interface_get_flags (vnet_main_t * vnm, u32 hw_if_index)
 {
   vnet_hw_interface_t *hw = vnet_get_hw_interface (vnm, hw_if_index);
diff --git a/src/vnet/vxlan/vxlan.c b/src/vnet/vxlan/vxlan.c
index f373a283d76..58c7becb5d7 100644
--- a/src/vnet/vxlan/vxlan.c
+++ b/src/vnet/vxlan/vxlan.c
@@ -18,6 +18,7 @@
 #include <vnet/fib/fib_table.h>
 #include <vnet/mfib/mfib_table.h>
 #include <vnet/adj/adj_mcast.h>
+#include <vnet/interface.h>
 #include <vlib/vlib.h>
 
 /**
@@ -462,8 +463,11 @@ int vnet_vxlan_add_del_tunnel
       l2im->configs[sw_if_index].feature_bitmap = L2INPUT_FEAT_DROP;
       l2im->configs[sw_if_index].bd_index = 0;
       
+      vnet_sw_interface_t * si = vnet_get_sw_interface (vnm, sw_if_index);
+      si->flags &= ~VNET_SW_INTERFACE_FLAG_HIDDEN;
       vnet_sw_interface_set_flags (vnm, sw_if_index, 
                                    VNET_SW_INTERFACE_FLAG_ADMIN_UP);
+
       fib_node_init(&t->node, FIB_NODE_TYPE_VXLAN_TUNNEL);
       fib_prefix_t tun_dst_pfx;
       u32 encap_index = !is_ip6 ?
@@ -573,6 +577,9 @@ int vnet_vxlan_add_del_tunnel
       t = pool_elt_at_index (vxm->tunnels, p[0]);
 
       vnet_sw_interface_set_flags (vnm, t->sw_if_index, 0 /* down */);
+      vnet_sw_interface_t * si = vnet_get_sw_interface (vnm, t->sw_if_index);
+      si->flags |= VNET_SW_INTERFACE_FLAG_HIDDEN;
+
       /* make sure tunnel is removed from l2 bd or xconnect */
       set_int_l2_mode(vxm->vlib_main, vnm, MODE_L3, t->sw_if_index, 0, 0, 0, 0);
       vec_add1 (vxm->free_vxlan_tunnel_hw_if_indices, t->hw_if_index);