Add IP adjacency registration function

Given that it is possible and easy to add dynamic
IP adjacencies, it might be helpful to have an explicit
call to do so.
This way, additional information such as how to display
the adjacency can be provided at the same time.

Change-Id: I5c735ae45ed763560352f637e3462f2931dc97d9
Signed-off-by: Pierre Pfister <ppfister@cisco.com>

1 files changed, 17 insertions, 5 deletions

diff --git a/plugins/ila-plugin/ila/ila.c b/plugins/ila-plugin/ila/ila.c
index 69fbb82a..c0e6da11 100644
--- a/plugins/ila-plugin/ila/ila.c
+++ b/plugins/ila-plugin/ila/ila.c
@@ -15,6 +15,7 @@
 
 #include <ila/ila.h>
 #include <vnet/plugin/plugin.h>
+#include <vnet/ip/lookup.h>
 
 static ila_main_t ila_main;
 
@@ -794,6 +795,16 @@ vlib_plugin_register (vlib_main_t * vm, vnet_plugin_handoff_t * h,
   return error;
 }
 
+u8 *ila_format_adjacency(u8 * s,
+                        struct ip_lookup_main_t * lm,
+                        ip_adjacency_t *adj)
+{
+  ila_main_t *ilm = &ila_main;
+  ila_adj_data_t * ad = (ila_adj_data_t *) & adj->opaque;
+  ila_entry_t *ie = pool_elt_at_index (ilm->entries, ad->entry_index);
+  return format(s, "idx:%d sir:%U", ad->entry_index, format_ip6_address, &ie->sir_address);
+}
+
 clib_error_t *
 ila_init (vlib_main_t * vm)
 {
@@ -810,14 +821,15 @@ ila_init (vlib_main_t * vm)
 			 "ila id to entry index table",
 			 ilm->lookup_table_nbuckets, ilm->lookup_table_size);
 
-  vlib_node_t *ip6_lookup_node =
-    vlib_get_node_by_name (vm, (u8 *) "ip6-lookup");
-
-  ilm->ip6_lookup_next_index =
-    vlib_node_add_next (vm, ip6_lookup_node->index, ila_ila2sir_node.index);
   return NULL;
 }
 
+VNET_IP6_REGISTER_ADJACENCY(ila2sir) = {
+  .node_name = "ila-to-sir",
+  .fn = ila_format_adjacency,
+  .next_index = &ila_main.ip6_lookup_next_index
+};
+
 VLIB_INIT_FUNCTION (ila_init);
 
 static clib_error_t *