fib: A 16-8-8 and a 8-8-8-8 versions of an ip4_fib_t
Type: feature
The difference being the MTRIE type they contain.
THE FIB continues to use the 16-8-8 version.
Signed-off-by: Neale Ranns <neale@graphiant.com>
Change-Id: I5a54d4e6e6cc639f18a3fb65ef2925507a7ef1de
diff --git a/src/vnet/fib/ip4_fib.h b/src/vnet/fib/ip4_fib.h
index 46bfcaf..0f6911d 100644
--- a/src/vnet/fib/ip4_fib.h
+++ b/src/vnet/fib/ip4_fib.h
@@ -34,77 +34,28 @@
#include <vnet/ip/ip.h>
#include <vnet/fib/fib_entry.h>
#include <vnet/fib/fib_table.h>
-#include <vnet/ip/ip4_mtrie.h>
-
-typedef struct ip4_fib_t_
-{
- /** Required for pool_get_aligned */
- CLIB_CACHE_LINE_ALIGN_MARK(cacheline0);
-
- /**
- * Mtrie for fast lookups. Hash is used to maintain overlapping prefixes.
- * First member so it's in the first cacheline.
- */
- ip4_mtrie_16_t mtrie;
-
- /* Hash table for each prefix length mapping. */
- uword *fib_entry_by_dst_address[33];
-
- /* Table ID (hash key) for this FIB. */
- u32 table_id;
-
- /* Index into FIB vector. */
- u32 index;
-} ip4_fib_t;
-
-extern fib_node_index_t ip4_fib_table_lookup(const ip4_fib_t *fib,
- const ip4_address_t *addr,
- u32 len);
-extern fib_node_index_t ip4_fib_table_lookup_exact_match(const ip4_fib_t *fib,
- const ip4_address_t *addr,
- u32 len);
-
-extern void ip4_fib_table_entry_remove(ip4_fib_t *fib,
- const ip4_address_t *addr,
- u32 len);
-
-extern void ip4_fib_table_entry_insert(ip4_fib_t *fib,
- const ip4_address_t *addr,
- u32 len,
- fib_node_index_t fib_entry_index);
-extern void ip4_fib_table_destroy(u32 fib_index);
-
-extern void ip4_fib_table_fwding_dpo_update(ip4_fib_t *fib,
- const ip4_address_t *addr,
- u32 len,
- const dpo_id_t *dpo);
-
-extern void ip4_fib_table_fwding_dpo_remove(ip4_fib_t *fib,
- const ip4_address_t *addr,
- u32 len,
- const dpo_id_t *dpo,
- fib_node_index_t cover_index);
-extern u32 ip4_fib_table_lookup_lb (ip4_fib_t *fib,
- const ip4_address_t * dst);
+#include <vnet/fib/ip4_fib_8.h>
+#include <vnet/fib/ip4_fib_16.h>
/**
- * @brief Walk all entries in a FIB table
- * N.B: This is NOT safe to deletes. If you need to delete walk the whole
- * table and store elements in a vector, then delete the elements
+ * the FIB module uses the 16-8-8 stride trie
*/
-extern void ip4_fib_table_walk(ip4_fib_t *fib,
- fib_table_walk_fn_t fn,
- void *ctx);
+typedef ip4_fib_16_t ip4_fib_t;
-/**
- * @brief Walk all entries in a sub-tree of the FIB table
- * N.B: This is NOT safe to deletes. If you need to delete walk the whole
- * table and store elements in a vector, then delete the elements
- */
-extern void ip4_fib_table_sub_tree_walk(ip4_fib_t *fib,
- const fib_prefix_t *root,
- fib_table_walk_fn_t fn,
- void *ctx);
+#define ip4_fibs ip4_fib_16s
+#define ip4_fib_table_lookup ip4_fib_16_table_lookup
+#define ip4_fib_table_lookup_exact_match ip4_fib_16_table_lookup_exact_match
+#define ip4_fib_table_entry_remove ip4_fib_16_table_entry_remove
+#define ip4_fib_table_entry_insert ip4_fib_16_table_entry_insert
+#define ip4_fib_table_fwding_dpo_update ip4_fib_16_table_fwding_dpo_update
+#define ip4_fib_table_fwding_dpo_remove ip4_fib_16_table_fwding_dpo_remove
+#define ip4_fib_table_lookup_lb ip4_fib_16_table_lookup_lb
+#define ip4_fib_table_walk ip4_fib_16_table_walk
+#define ip4_fib_table_sub_tree_walk ip4_fib_16_table_sub_tree_walk
+#define ip4_fib_table_init ip4_fib_16_table_init
+#define ip4_fib_table_free ip4_fib_16_table_free
+#define ip4_mtrie_memory_usage ip4_mtrie_16_memory_usage
+#define format_ip4_mtrie format_ip4_mtrie_16
/**
* @brief Get the FIB at the given index
@@ -112,7 +63,7 @@
static inline ip4_fib_t *
ip4_fib_get (u32 index)
{
- return (pool_elt_at_index(ip4_main.v4_fibs, index));
+ return (pool_elt_at_index(ip4_fibs, index));
}
always_inline u32
@@ -138,6 +89,7 @@
extern u32 ip4_fib_table_find_or_create_and_lock(u32 table_id,
fib_source_t src);
extern u32 ip4_fib_table_create_and_lock(fib_source_t src);
+extern void ip4_fib_table_destroy(u32 fib_index);
extern u8 *format_ip4_fib_table_memory(u8 * s, va_list * args);