zebra, yang: add an mpls leaf to interface

The yang NB API does not handle the mpls configuration
on its leaf.
Add an mpls leaf to stick to the mpls configuration.
- true or false to mean if config
- not defined, means no config.

Signed-off-by: Philippe Guibert <philippe.guibert@6wind.com>

1 files changed, 6 insertions, 0 deletions

diff --git a/yang/frr-zebra.yang b/yang/frr-zebra.yang
index 7f4254cd41..3c6e45126a 100644
--- a/yang/frr-zebra.yang
+++ b/yang/frr-zebra.yang
@@ -1982,6 +1982,12 @@ module frr-zebra {
           "Interface admin status.";
       }
 
+      leaf mpls {
+        type boolean;
+        description
+          "Interface MPLS status.";
+      }
+
       leaf bandwidth {
         type uint32 {
           range "1..100000";