From 2008912b56abbf3167faf9b787df76605684d9e1 Mon Sep 17 00:00:00 2001
From: Neale Ranns <neale@graphiant.com>
Date: Thu, 2 Dec 2021 17:07:14 +0000
Subject: fib: Fix the display (or lack of) for fib node types in dependent
 children lists

Type: fix

When registering a new FIB node type, no name was required on the API, and so no name was printed.

Signed-off-by: Neale Ranns <neale@graphiant.com>
Change-Id: I8a99cf29c194637a550061b0a5e9782ffe8b31dd
---
 src/vnet/fib/fib_node.c   | 45 +++++++++++++++++++++++++++++----------------
 src/vnet/fib/fib_node.h   |  8 ++++----
 src/vnet/ip/ip_path_mtu.c |  3 ++-
 src/vnet/ipip/sixrd.c     |  3 ++-
 4 files changed, 37 insertions(+), 22 deletions(-)

(limited to 'src/vnet')

diff --git a/src/vnet/fib/fib_node.c b/src/vnet/fib/fib_node.c
index 1d3abd50a9d..ff72bcfde40 100644
--- a/src/vnet/fib/fib_node.c
+++ b/src/vnet/fib/fib_node.c
@@ -31,23 +31,20 @@ static fib_node_type_t last_new_type = FIB_NODE_TYPE_LAST;
 /*
  * the node type names
  */
-static const char *fn_type_names[] = FIB_NODE_TYPES;
+static const char *fn_type_builtin_names[] = FIB_NODE_TYPES;
+static const char **fn_type_names;
 
 const char*
 fib_node_type_get_name (fib_node_type_t type)
 {
-    if (type < FIB_NODE_TYPE_LAST)
-	return (fn_type_names[type]);
+    if ((type < vec_len(fn_type_names)) &&
+         (NULL != fn_type_names[type]))
+    {
+        return (fn_type_names[type]);
+    }
     else
     {
-	if (NULL != fn_vfts[type].fnv_format)
-	{
-	    return ("fixme");
-	}
-	else
-	{
-	    return ("unknown");
-	}
+        return ("unknown");
     }
 }
 
@@ -56,9 +53,10 @@ fib_node_type_get_name (fib_node_type_t type)
  *
  * Register the function table for a given type
  */
-void
-fib_node_register_type (fib_node_type_t type,
-			const fib_node_vft_t *vft)
+static void
+fib_node_register_type_i (fib_node_type_t type,
+                          const char *name,
+                          const fib_node_vft_t *vft)
 {
     /*
      * assert that one only registration is made per-node type
@@ -74,16 +72,31 @@ fib_node_register_type (fib_node_type_t type,
 
     vec_validate(fn_vfts, type);
     fn_vfts[type] = *vft;
+    vec_validate(fn_type_names, type);
+    fn_type_names[type] = name;
+}
+
+/**
+ * fib_node_register_type
+ *
+ * Register the function table for a given type
+ */
+void
+fib_node_register_type (fib_node_type_t type,
+			const fib_node_vft_t *vft)
+{
+    fib_node_register_type_i(type, fn_type_builtin_names[type], vft);
 }
 
 fib_node_type_t
-fib_node_register_new_type (const fib_node_vft_t *vft)
+fib_node_register_new_type (const char *name,
+                            const fib_node_vft_t *vft)
 {
     fib_node_type_t new_type;
 
     new_type = ++last_new_type;
 
-    fib_node_register_type(new_type, vft);
+    fib_node_register_type_i(new_type, name, vft);
 
     return (new_type);
 }   
diff --git a/src/vnet/fib/fib_node.h b/src/vnet/fib/fib_node.h
index dd266ee8ff9..b6089ec7b35 100644
--- a/src/vnet/fib/fib_node.h
+++ b/src/vnet/fib/fib_node.h
@@ -306,7 +306,6 @@ typedef struct fib_node_vft_t_ {
     fib_node_get_t fnv_get;
     fib_node_last_lock_gone_t fnv_last_lock;
     fib_node_back_walk_t fnv_back_walk;
-    format_function_t *fnv_format;
     fib_node_memory_show_t fnv_mem_show;
 } fib_node_vft_t;
 
@@ -357,12 +356,13 @@ extern void fib_node_register_type (fib_node_type_t ft,
  * @brief
  *  Create a new FIB node type and Register the function table for it.
  *
- * @param vft
- * virtual function table
+ * @param name Name of the type (as display when printing children)
+ * @param vft virtual function table
  *
  * @return new FIB node type
  */
-extern fib_node_type_t fib_node_register_new_type (const fib_node_vft_t *vft);
+extern fib_node_type_t fib_node_register_new_type (const char *name,
+                                                   const fib_node_vft_t *vft);
 
 /**
  * @brief Show the memory usage for a type
diff --git a/src/vnet/ip/ip_path_mtu.c b/src/vnet/ip/ip_path_mtu.c
index 38adb44065b..40d8c8fab0b 100644
--- a/src/vnet/ip/ip_path_mtu.c
+++ b/src/vnet/ip/ip_path_mtu.c
@@ -826,7 +826,8 @@ ip_path_module_init (vlib_main_t *vm)
     adj_delegate_register_new_type (&ip_path_adj_delegate_vft);
   ip_pmtu_source = fib_source_allocate ("path-mtu", FIB_SOURCE_PRIORITY_HI,
 					FIB_SOURCE_BH_SIMPLE);
-  ip_pmtu_fib_type = fib_node_register_new_type (&ip_ptmu_fib_node_vft);
+  ip_pmtu_fib_type =
+    fib_node_register_new_type ("ip-pmtu", &ip_ptmu_fib_node_vft);
 
   ip_pmtu_db = hash_create_mem (0, sizeof (ip_pmtu_key_t), sizeof (index_t));
   ip_pmtu_logger = vlib_log_register_class ("ip", "pmtu");
diff --git a/src/vnet/ipip/sixrd.c b/src/vnet/ipip/sixrd.c
index c6c855df6e3..3fb7b52dca6 100644
--- a/src/vnet/ipip/sixrd.c
+++ b/src/vnet/ipip/sixrd.c
@@ -505,7 +505,8 @@ sixrd_init (vlib_main_t * vm)
 
   sixrd_adj_delegate_type =
     adj_delegate_register_new_type (&sixrd_adj_delegate_vft);
-  sixrd_fib_node_type = fib_node_register_new_type (&sixrd_fib_node_vft);
+  sixrd_fib_node_type =
+    fib_node_register_new_type ("sixrd", &sixrd_fib_node_vft);
 
   return error;
 }
-- 
cgit 1.2.3-korg