Separate heap for IPv4 mtries

Change-Id: I497e9f6489dd35219bcf2b51ac992467aac4c8eb
Signed-off-by: Neale Ranns <nranns@cisco.com>

1 files changed, 29 insertions, 0 deletions

diff --git a/src/vnet/ip/ip4_forward.c b/src/vnet/ip/ip4_forward.c
index d7afc84ea05..c7cf362a3c0 100755
--- a/src/vnet/ip/ip4_forward.c
+++ b/src/vnet/ip/ip4_forward.c
@@ -1189,6 +1189,12 @@ ip4_lookup_init (vlib_main_t * vm)
 
   if ((error = vlib_call_init_function (vm, vnet_feature_init)))
     return error;
+  if ((error = vlib_call_init_function (vm, ip4_mtrie_module_init)))
+    return (error);
+  if ((error = vlib_call_init_function (vm, fib_module_init)))
+    return error;
+  if ((error = vlib_call_init_function (vm, mfib_module_init)))
+    return error;
 
   for (i = 0; i < ARRAY_LEN (im->fib_masks); i++)
     {
@@ -3166,6 +3172,29 @@ VLIB_CLI_COMMAND (set_ip_classify_command, static) =
 };
 /* *INDENT-ON* */
 
+static clib_error_t *
+ip4_config (vlib_main_t * vm, unformat_input_t * input)
+{
+  ip4_main_t *im = &ip4_main;
+  uword heapsize = 0;
+
+  while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
+    {
+      if (unformat (input, "heap-size %U", unformat_memory_size, &heapsize))
+	;
+      else
+	return clib_error_return (0,
+				  "invalid heap-size parameter `%U'",
+				  format_unformat_error, input);
+    }
+
+  im->mtrie_heap_size = heapsize;
+
+  return 0;
+}
+
+VLIB_EARLY_CONFIG_FUNCTION (ip4_config, "ip");
+
 /*
  * fd.io coding-style-patch-verification: ON
  *