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-rw-r--r--src/vnet/gre/gre.c24
1 files changed, 24 insertions, 0 deletions
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