1 files changed, 18 insertions, 0 deletions
diff --git a/tests/isisd/test_common.c b/tests/isisd/test_common.c
index 5fa604c749..5b2028ffd4 100644
--- a/tests/isisd/test_common.c
+++ b/tests/isisd/test_common.c
@@ -69,6 +69,24 @@ test_find_adjacency(const struct isis_test_node *tnode, const char *hostname)
 	return NULL;
 }
 
+mpls_label_t test_topology_node_ldp_label(const struct isis_topology *topology,
+					  struct in_addr router_id)
+{
+	for (size_t i = 0; topology->nodes[i].hostname[0]; i++) {
+		const struct isis_test_node *tnode = &topology->nodes[i];
+		struct in_addr node_router_id;
+
+		if (!tnode->router_id)
+			continue;
+
+		(void)inet_pton(AF_INET, tnode->router_id, &node_router_id);
+		if (IPV4_ADDR_SAME(&router_id, &node_router_id))
+			return (50000 + (i + 1) * 100);
+	}
+
+	return MPLS_INVALID_LABEL;
+}
+
 static struct isis_lsp *lsp_add(struct lspdb_head *lspdb,
 				struct isis_area *area, int level,
 				const uint8_t *sysid, uint8_t pseudonode_id)