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-rw-r--r--src/plugins/nsh/nsh.c24
1 files changed, 14 insertions, 10 deletions
diff --git a/src/plugins/nsh/nsh.c b/src/plugins/nsh/nsh.c
index 3c804e9934c..de7bdcebfca 100644
--- a/src/plugins/nsh/nsh.c
+++ b/src/plugins/nsh/nsh.c
@@ -184,7 +184,7 @@ nsh_md2_set_next_ioam_export_override (uword next)
clib_error_t *
nsh_init (vlib_main_t * vm)
{
- vlib_node_t *node;
+ vlib_node_t *node, *gre4_input, *gre6_input;
nsh_main_t *nm = &nsh_main;
clib_error_t *error = 0;
uword next_node;
@@ -240,15 +240,19 @@ nsh_init (vlib_main_t * vm)
vlib_node_add_next (vm, vxlan6_gpe_input_node.index,
nsh_aware_vnf_proxy_node.index);
- vlib_node_add_next (vm, gre4_input_node.index, nm->nsh_input_node_index);
- vlib_node_add_next (vm, gre4_input_node.index, nm->nsh_proxy_node_index);
- vlib_node_add_next (vm, gre4_input_node.index,
- nsh_aware_vnf_proxy_node.index);
-
- vlib_node_add_next (vm, gre6_input_node.index, nm->nsh_input_node_index);
- vlib_node_add_next (vm, gre6_input_node.index, nm->nsh_proxy_node_index);
- vlib_node_add_next (vm, gre6_input_node.index,
- nsh_aware_vnf_proxy_node.index);
+ gre4_input = vlib_get_node_by_name (vm, (u8 *) "gre4-input");
+ gre6_input = vlib_get_node_by_name (vm, (u8 *) "gre6-input");
+ if (gre4_input == 0 || gre6_input == 0)
+ {
+ error = clib_error_return (0, "gre_plugin.so is not loaded");
+ return error;
+ }
+ vlib_node_add_next (vm, gre4_input->index, nm->nsh_input_node_index);
+ vlib_node_add_next (vm, gre4_input->index, nm->nsh_proxy_node_index);
+ vlib_node_add_next (vm, gre4_input->index, nsh_aware_vnf_proxy_node.index);
+ vlib_node_add_next (vm, gre6_input->index, nm->nsh_input_node_index);
+ vlib_node_add_next (vm, gre6_input->index, nm->nsh_proxy_node_index);
+ vlib_node_add_next (vm, gre6_input->index, nsh_aware_vnf_proxy_node.index);
/* Add NSH-Proxy support */
vxlan4_input =