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authorNeale Ranns <nranns@cisco.com>2020-10-19 14:47:20 +0000
committerDamjan Marion <dmarion@me.com>2020-10-19 20:59:54 +0000
commit5a59b2bac48611a316adf128bdb0e1e2fe889656 (patch)
tree37e51dbf5d97fda9d9deee2d08e4b18a29981c5f /src/vnet/fib/ip6_fib.h
parent710d78074e07ffb5006ad01a0da4c1b6dc3de38b (diff)
ip: Move the IP6 fib into ip6_[m]fib.c
Type: improvement reduce the compile time by moving the bihash includes out of ip[46].h Signed-off-by: Neale Ranns <nranns@cisco.com> Change-Id: I6b9216e10aff1013071f9238b3e1ebbdd205bd80
Diffstat (limited to 'src/vnet/fib/ip6_fib.h')
-rw-r--r--src/vnet/fib/ip6_fib.h50
1 files changed, 49 insertions, 1 deletions
diff --git a/src/vnet/fib/ip6_fib.h b/src/vnet/fib/ip6_fib.h
index 50b360bcd12..706bebbce09 100644
--- a/src/vnet/fib/ip6_fib.h
+++ b/src/vnet/fib/ip6_fib.h
@@ -22,6 +22,54 @@
#include <vnet/fib/fib_table.h>
#include <vnet/ip/lookup.h>
#include <vnet/dpo/load_balance.h>
+#include <vppinfra/bihash_24_8.h>
+#include <vppinfra/bihash_template.h>
+
+/*
+ * Default size of the ip6 fib hash table
+ */
+#define IP6_FIB_DEFAULT_HASH_NUM_BUCKETS (64 * 1024)
+#define IP6_FIB_DEFAULT_HASH_MEMORY_SIZE (32<<20)
+
+/**
+ * Enumeration of the FIB table instance types
+ */
+typedef enum ip6_fib_table_instance_type_t_
+{
+ /**
+ * This table stores the routes that are used to forward traffic.
+ * The key is the prefix, the result the adjacency to forward on.
+ */
+ IP6_FIB_TABLE_FWDING,
+ /**
+ * The table that stores ALL routes learned by the DP.
+ * Some of these routes may not be ready to install in forwarding
+ * at a given time.
+ * The key in this table is the prefix, the result is the fib_entry_t
+ */
+ IP6_FIB_TABLE_NON_FWDING,
+} ip6_fib_table_instance_type_t;
+
+#define IP6_FIB_NUM_TABLES (IP6_FIB_TABLE_NON_FWDING+1)
+
+/**
+ * A representation of a single IP6 table
+ */
+typedef struct ip6_fib_table_instance_t_
+{
+ /* The hash table */
+ clib_bihash_24_8_t ip6_hash;
+
+ /* bitmap / refcounts / vector of mask widths to search */
+ uword *non_empty_dst_address_length_bitmap;
+ u8 *prefix_lengths_in_search_order;
+ i32 dst_address_length_refcounts[129];
+} ip6_fib_table_instance_t;
+
+/**
+ * The two FIB tables; fwding and non-fwding
+ */
+extern ip6_fib_table_instance_t ip6_fib_table[IP6_FIB_NUM_TABLES];
extern fib_node_index_t ip6_fib_table_lookup(u32 fib_index,
const ip6_address_t *addr,
@@ -73,7 +121,7 @@ ip6_fib_table_fwding_lookup (u32 fib_index,
int rv;
u64 fib;
- table = &ip6_main.ip6_table[IP6_FIB_TABLE_FWDING];
+ table = &ip6_fib_table[IP6_FIB_TABLE_FWDING];
len = vec_len (table->prefix_lengths_in_search_order);
kv.key[0] = dst->as_u64[0];