X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=src%2Fvnet%2Fgre%2Fgre.c;h=ab2567dc5b77d7b13b1697e4f7684c075034cb71;hb=c87b66c86201458c0475d50c6e93f1497f9eec2e;hp=72c76fca5df197877980065d2f1ef3b2f4c3f8e4;hpb=097fa66b986f06281f603767d321ab13ab6c88c3;p=vpp.git

diff --git a/src/vnet/gre/gre.c b/src/vnet/gre/gre.c
index 72c76fca5df..ab2567dc5b7 100644
--- a/src/vnet/gre/gre.c
+++ b/src/vnet/gre/gre.c
@@ -530,6 +530,29 @@ format_gre_device (u8 * s, va_list * args)
   return s;
 }
 
+static int
+gre_tunnel_desc (u32 sw_if_index,
+		 ip46_address_t * src, ip46_address_t * dst, u8 * is_l2)
+{
+  gre_main_t *gm = &gre_main;
+  gre_tunnel_t *t;
+  u32 ti;
+
+  ti = gm->tunnel_index_by_sw_if_index[sw_if_index];
+
+  if (~0 == ti)
+    /* not one of ours */
+    return -1;
+
+  t = pool_elt_at_index (gm->tunnels, ti);
+
+  *src = t->tunnel_src;
+  *dst = t->tunnel_dst.fp_addr;
+  *is_l2 = t->type == GRE_TUNNEL_TYPE_TEB;
+
+  return (0);
+}
+
 /* *INDENT-OFF* */
 VNET_DEVICE_CLASS (gre_device_class) = {
   .name = "GRE tunnel device",
@@ -537,6 +560,7 @@ VNET_DEVICE_CLASS (gre_device_class) = {
   .format_device = format_gre_device,
   .format_tx_trace = format_gre_tx_trace,
   .admin_up_down_function = gre_interface_admin_up_down,
+  .ip_tun_desc = gre_tunnel_desc,
 #ifdef SOON
   .clear counter = 0;
 #endif