zebra, lib: store relative default ns id in each namespace

to be able to retrieve the network namespace identifier for each
namespace, the ns id is stored in each ns context. For default
namespace, the netns id is the same as that value.

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

1 files changed, 6 insertions, 2 deletions

diff --git a/lib/vrf.c b/lib/vrf.c
index 6bd577fce1..9df5d19516 100644
--- a/lib/vrf.c
+++ b/lib/vrf.c
@@ -652,7 +652,8 @@ int vrf_handler_create(struct vty *vty, const char *vrfname,
 }
 
 int vrf_netns_handler_create(struct vty *vty, struct vrf *vrf, char *pathname,
-			     ns_id_t ns_id, ns_id_t internal_ns_id)
+			     ns_id_t ns_id, ns_id_t internal_ns_id,
+			     ns_id_t rel_def_ns_id)
 {
 	struct ns *ns = NULL;
 
@@ -700,6 +701,7 @@ int vrf_netns_handler_create(struct vty *vty, struct vrf *vrf, char *pathname,
 	}
 	ns = ns_get_created(ns, pathname, ns_id);
 	ns->internal_ns_id = internal_ns_id;
+	ns->relative_default_ns = rel_def_ns_id;
 	ns->vrf_ctxt = (void *)vrf;
 	vrf->ns_ctxt = (void *)ns;
 	/* update VRF netns NAME */
@@ -797,7 +799,9 @@ DEFUN_NOSH (vrf_netns,
 
 	frr_with_privs(vrf_daemon_privs) {
 		ret = vrf_netns_handler_create(vty, vrf, pathname,
-					       NS_UNKNOWN, NS_UNKNOWN);
+					       NS_UNKNOWN,
+					       NS_UNKNOWN,
+					       NS_UNKNOWN);
 	}
 	return ret;
 }