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, 44 insertions, 0 deletions

diff --git a/zebra/zebra_nb_config.c b/zebra/zebra_nb_config.c
index 336669a49b..5ea03112bc 100644
--- a/zebra/zebra_nb_config.c
+++ b/zebra/zebra_nb_config.c
@@ -1088,6 +1088,50 @@ int lib_interface_zebra_shutdown_destroy(struct nb_cb_destroy_args *args)
 }
 
 /*
+ * XPath: /frr-interface:lib/interface/frr-zebra:zebra/mpls
+ */
+int lib_interface_zebra_mpls_modify(struct nb_cb_modify_args *args)
+{
+	struct interface *ifp;
+	bool mpls;
+	struct zebra_if *zif;
+
+	if (args->event != NB_EV_APPLY)
+		return NB_OK;
+
+	ifp = nb_running_get_entry(args->dnode, NULL, true);
+	zif = ifp->info;
+	mpls = yang_dnode_get_bool(args->dnode, NULL);
+
+	if (mpls)
+		zif->mpls_config = IF_ZEBRA_DATA_ON;
+	else
+		zif->mpls_config = IF_ZEBRA_DATA_OFF;
+
+	dplane_intf_mpls_modify_state(ifp, mpls);
+
+	return NB_OK;
+}
+
+int lib_interface_zebra_mpls_destroy(struct nb_cb_destroy_args *args)
+{
+	struct interface *ifp;
+	struct zebra_if *zif;
+
+	if (args->event != NB_EV_APPLY)
+		return NB_OK;
+
+	ifp = nb_running_get_entry(args->dnode, NULL, true);
+	zif = ifp->info;
+
+	zif->mpls_config = IF_ZEBRA_DATA_UNSPEC;
+
+	/* keep the state as it is */
+
+	return NB_OK;
+}
+
+/*
  * XPath: /frr-interface:lib/interface/frr-zebra:zebra/bandwidth
  */
 int lib_interface_zebra_bandwidth_modify(struct nb_cb_modify_args *args)