2 * Copyright (c) 2016 Cisco and/or its affiliates.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at:
7 * http://www.apache.org/licenses/LICENSE-2.0
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
16 #include <vnet/fib/ip6_fib.h>
17 #include <vnet/fib/fib_table.h>
18 #include <vnet/dpo/ip6_ll_dpo.h>
20 #include <vppinfra/bihash_24_8.h>
21 #include <vppinfra/bihash_template.c>
23 ip6_fib_table_instance_t ip6_fib_table[IP6_FIB_NUM_TABLES];
25 /* ip6 lookup table config parameters */
26 u32 ip6_fib_table_nbuckets;
27 uword ip6_fib_table_size;
30 vnet_ip6_fib_init (u32 fib_index)
33 .fp_proto = FIB_PROTOCOL_IP6,
43 * Add the default route.
45 fib_table_entry_special_add(fib_index,
47 FIB_SOURCE_DEFAULT_ROUTE,
51 * all link local via the link local lookup DPO
53 pfx.fp_addr.ip6.as_u64[0] = clib_host_to_net_u64 (0xFE80000000000000ULL);
54 pfx.fp_addr.ip6.as_u64[1] = 0;
56 fib_table_entry_special_dpo_add(fib_index,
64 create_fib_with_table_id (u32 table_id,
66 fib_table_flags_t flags,
69 fib_table_t *fib_table;
72 pool_get(ip6_main.fibs, fib_table);
73 pool_get_aligned(ip6_main.v6_fibs, v6_fib, CLIB_CACHE_LINE_BYTES);
75 clib_memset(fib_table, 0, sizeof(*fib_table));
76 clib_memset(v6_fib, 0, sizeof(*v6_fib));
78 ASSERT((fib_table - ip6_main.fibs) ==
79 (v6_fib - ip6_main.v6_fibs));
81 fib_table->ft_proto = FIB_PROTOCOL_IP6;
84 (fib_table - ip6_main.fibs);
86 hash_set(ip6_main.fib_index_by_table_id, table_id, fib_table->ft_index);
88 fib_table->ft_table_id =
91 fib_table->ft_flow_hash_config = IP_FLOW_HASH_DEFAULT;
92 fib_table->ft_flags = flags;
93 fib_table->ft_desc = desc;
95 vnet_ip6_fib_init(fib_table->ft_index);
96 fib_table_lock(fib_table->ft_index, FIB_PROTOCOL_IP6, src);
98 return (fib_table->ft_index);
102 ip6_fib_table_find_or_create_and_lock (u32 table_id,
107 p = hash_get (ip6_main.fib_index_by_table_id, table_id);
109 return create_fib_with_table_id(table_id, src,
113 fib_table_lock(p[0], FIB_PROTOCOL_IP6, src);
119 ip6_fib_table_create_and_lock (fib_source_t src,
120 fib_table_flags_t flags,
123 return (create_fib_with_table_id(~0, src, flags, desc));
127 ip6_fib_table_destroy (u32 fib_index)
130 * all link local first ...
133 .fp_proto = FIB_PROTOCOL_IP6,
144 fib_table_entry_delete(fib_index,
149 * ... then the default route.
151 pfx.fp_addr.ip6.as_u64[0] = 0;
153 fib_table_entry_special_remove(fib_index,
155 FIB_SOURCE_DEFAULT_ROUTE);
157 fib_table_t *fib_table = fib_table_get(fib_index, FIB_PROTOCOL_IP6);
161 * validate no more routes.
164 if (0 != fib_table->ft_total_route_counts)
165 fib_table_assert_empty(fib_table);
168 vec_foreach_index(source, fib_table->ft_src_route_counts)
170 ASSERT(0 == fib_table->ft_src_route_counts[source]);
173 if (~0 != fib_table->ft_table_id)
175 hash_unset (ip6_main.fib_index_by_table_id, fib_table->ft_table_id);
177 vec_free (fib_table->ft_locks);
178 vec_free(fib_table->ft_src_route_counts);
179 pool_put_index(ip6_main.v6_fibs, fib_table->ft_index);
180 pool_put(ip6_main.fibs, fib_table);
184 ip6_fib_table_lookup (u32 fib_index,
185 const ip6_address_t *addr,
188 ip6_fib_table_instance_t *table;
189 clib_bihash_kv_24_8_t kv, value;
193 table = &ip6_fib_table[IP6_FIB_TABLE_NON_FWDING];
194 n_p = vec_len (table->prefix_lengths_in_search_order);
196 kv.key[0] = addr->as_u64[0];
197 kv.key[1] = addr->as_u64[1];
198 fib = ((u64)((fib_index))<<32);
201 * start search from a mask length same length or shorter.
202 * we don't want matches longer than the mask passed
205 while (i < n_p && table->prefix_lengths_in_search_order[i] > len)
212 int dst_address_length = table->prefix_lengths_in_search_order[i];
213 ip6_address_t * mask = &ip6_main.fib_masks[dst_address_length];
215 ASSERT(dst_address_length >= 0 && dst_address_length <= 128);
216 //As lengths are decreasing, masks are increasingly specific.
217 kv.key[0] &= mask->as_u64[0];
218 kv.key[1] &= mask->as_u64[1];
219 kv.key[2] = fib | dst_address_length;
221 rv = clib_bihash_search_inline_2_24_8(&table->ip6_hash, &kv, &value);
226 return (FIB_NODE_INDEX_INVALID);
230 ip6_fib_table_lookup_exact_match (u32 fib_index,
231 const ip6_address_t *addr,
234 ip6_fib_table_instance_t *table;
235 clib_bihash_kv_24_8_t kv, value;
240 table = &ip6_fib_table[IP6_FIB_TABLE_NON_FWDING];
241 mask = &ip6_main.fib_masks[len];
242 fib = ((u64)((fib_index))<<32);
244 kv.key[0] = addr->as_u64[0] & mask->as_u64[0];
245 kv.key[1] = addr->as_u64[1] & mask->as_u64[1];
246 kv.key[2] = fib | len;
248 rv = clib_bihash_search_inline_2_24_8(&table->ip6_hash, &kv, &value);
252 return (FIB_NODE_INDEX_INVALID);
256 compute_prefix_lengths_in_search_order (ip6_fib_table_instance_t *table)
258 u8 *old, *prefix_lengths_in_search_order = NULL;
262 * build the list in a scratch space then cutover so the workers
263 * can continue uninterrupted.
265 old = table->prefix_lengths_in_search_order;
267 /* Note: bitmap reversed so this is in fact a longest prefix match */
268 clib_bitmap_foreach (i, table->non_empty_dst_address_length_bitmap)
270 int dst_address_length = 128 - i;
271 vec_add1(prefix_lengths_in_search_order, dst_address_length);
274 table->prefix_lengths_in_search_order = prefix_lengths_in_search_order;
277 * let the workers go once round the track before we free the old set
279 vlib_worker_wait_one_loop();
284 ip6_fib_table_entry_remove (u32 fib_index,
285 const ip6_address_t *addr,
288 ip6_fib_table_instance_t *table;
289 clib_bihash_kv_24_8_t kv;
293 table = &ip6_fib_table[IP6_FIB_TABLE_NON_FWDING];
294 mask = &ip6_main.fib_masks[len];
295 fib = ((u64)((fib_index))<<32);
297 kv.key[0] = addr->as_u64[0] & mask->as_u64[0];
298 kv.key[1] = addr->as_u64[1] & mask->as_u64[1];
299 kv.key[2] = fib | len;
301 clib_bihash_add_del_24_8(&table->ip6_hash, &kv, 0);
303 /* refcount accounting */
304 ASSERT (table->dst_address_length_refcounts[len] > 0);
305 if (--table->dst_address_length_refcounts[len] == 0)
307 table->non_empty_dst_address_length_bitmap =
308 clib_bitmap_set (table->non_empty_dst_address_length_bitmap,
310 compute_prefix_lengths_in_search_order (table);
315 ip6_fib_table_entry_insert (u32 fib_index,
316 const ip6_address_t *addr,
318 fib_node_index_t fib_entry_index)
320 ip6_fib_table_instance_t *table;
321 clib_bihash_kv_24_8_t kv;
325 table = &ip6_fib_table[IP6_FIB_TABLE_NON_FWDING];
326 mask = &ip6_main.fib_masks[len];
327 fib = ((u64)((fib_index))<<32);
329 kv.key[0] = addr->as_u64[0] & mask->as_u64[0];
330 kv.key[1] = addr->as_u64[1] & mask->as_u64[1];
331 kv.key[2] = fib | len;
332 kv.value = fib_entry_index;
334 clib_bihash_add_del_24_8(&table->ip6_hash, &kv, 1);
336 if (0 == table->dst_address_length_refcounts[len]++)
338 table->non_empty_dst_address_length_bitmap =
339 clib_bitmap_set (table->non_empty_dst_address_length_bitmap,
341 compute_prefix_lengths_in_search_order (table);
345 u32 ip6_fib_table_fwding_lookup_with_if_index (ip6_main_t * im,
347 const ip6_address_t * dst)
349 u32 fib_index = vec_elt (im->fib_index_by_sw_if_index, sw_if_index);
350 return ip6_fib_table_fwding_lookup(fib_index, dst);
354 ip6_fib_table_get_index_for_sw_if_index (u32 sw_if_index)
356 if (sw_if_index >= vec_len(ip6_main.fib_index_by_sw_if_index))
359 * This is the case for interfaces that are not yet mapped to
364 return (ip6_main.fib_index_by_sw_if_index[sw_if_index]);
368 ip6_fib_table_fwding_dpo_update (u32 fib_index,
369 const ip6_address_t *addr,
373 ip6_fib_table_instance_t *table;
374 clib_bihash_kv_24_8_t kv;
378 table = &ip6_fib_table[IP6_FIB_TABLE_FWDING];
379 mask = &ip6_main.fib_masks[len];
380 fib = ((u64)((fib_index))<<32);
382 kv.key[0] = addr->as_u64[0] & mask->as_u64[0];
383 kv.key[1] = addr->as_u64[1] & mask->as_u64[1];
384 kv.key[2] = fib | len;
385 kv.value = dpo->dpoi_index;
387 clib_bihash_add_del_24_8(&table->ip6_hash, &kv, 1);
389 if (0 == table->dst_address_length_refcounts[len]++)
391 table->non_empty_dst_address_length_bitmap =
392 clib_bitmap_set (table->non_empty_dst_address_length_bitmap,
394 compute_prefix_lengths_in_search_order (table);
399 ip6_fib_table_fwding_dpo_remove (u32 fib_index,
400 const ip6_address_t *addr,
404 ip6_fib_table_instance_t *table;
405 clib_bihash_kv_24_8_t kv;
409 table = &ip6_fib_table[IP6_FIB_TABLE_FWDING];
410 mask = &ip6_main.fib_masks[len];
411 fib = ((u64)((fib_index))<<32);
413 kv.key[0] = addr->as_u64[0] & mask->as_u64[0];
414 kv.key[1] = addr->as_u64[1] & mask->as_u64[1];
415 kv.key[2] = fib | len;
416 kv.value = dpo->dpoi_index;
418 clib_bihash_add_del_24_8(&table->ip6_hash, &kv, 0);
420 /* refcount accounting */
421 ASSERT (table->dst_address_length_refcounts[len] > 0);
422 if (--table->dst_address_length_refcounts[len] == 0)
424 table->non_empty_dst_address_length_bitmap =
425 clib_bitmap_set (table->non_empty_dst_address_length_bitmap,
427 compute_prefix_lengths_in_search_order (table);
432 * @brief Context when walking the IPv6 table. Since all VRFs are in the
433 * same hash table, we need to filter only those we need as we walk
435 typedef struct ip6_fib_walk_ctx_t_
438 fib_table_walk_fn_t i6w_fn;
440 fib_prefix_t i6w_root;
441 fib_prefix_t *i6w_sub_trees;
442 } ip6_fib_walk_ctx_t;
445 ip6_fib_walk_cb (clib_bihash_kv_24_8_t * kvp,
448 ip6_fib_walk_ctx_t *ctx = arg;
451 if ((kvp->key[2] >> 32) == ctx->i6w_fib_index)
453 key.as_u64[0] = kvp->key[0];
454 key.as_u64[1] = kvp->key[1];
456 if (ip6_destination_matches_route(&ip6_main,
458 &ctx->i6w_root.fp_addr.ip6,
459 ctx->i6w_root.fp_len))
461 const fib_prefix_t *sub_tree;
465 * exclude sub-trees the walk does not want to explore
467 vec_foreach(sub_tree, ctx->i6w_sub_trees)
469 if (ip6_destination_matches_route(&ip6_main,
471 &sub_tree->fp_addr.ip6,
481 switch (ctx->i6w_fn(kvp->value, ctx->i6w_ctx))
483 case FIB_TABLE_WALK_CONTINUE:
485 case FIB_TABLE_WALK_SUB_TREE_STOP: {
487 .fp_proto = FIB_PROTOCOL_IP6,
488 .fp_len = kvp->key[2] & 0xffffffff,
491 vec_add1(ctx->i6w_sub_trees, pfx);
494 case FIB_TABLE_WALK_STOP:
506 ip6_fib_table_walk (u32 fib_index,
507 fib_table_walk_fn_t fn,
510 ip6_fib_walk_ctx_t ctx = {
511 .i6w_fib_index = fib_index,
515 .fp_proto = FIB_PROTOCOL_IP6,
517 .i6w_sub_trees = NULL,
520 clib_bihash_foreach_key_value_pair_24_8(
521 &ip6_fib_table[IP6_FIB_TABLE_NON_FWDING].ip6_hash,
525 vec_free(ctx.i6w_sub_trees);
529 ip6_fib_table_sub_tree_walk (u32 fib_index,
530 const fib_prefix_t *root,
531 fib_table_walk_fn_t fn,
534 ip6_fib_walk_ctx_t ctx = {
535 .i6w_fib_index = fib_index,
541 clib_bihash_foreach_key_value_pair_24_8(
542 &ip6_fib_table[IP6_FIB_TABLE_NON_FWDING].ip6_hash,
547 typedef struct ip6_fib_show_ctx_t_ {
548 fib_node_index_t *entries;
549 } ip6_fib_show_ctx_t;
551 static fib_table_walk_rc_t
552 ip6_fib_table_show_walk (fib_node_index_t fib_entry_index,
555 ip6_fib_show_ctx_t *ctx = arg;
557 vec_add1(ctx->entries, fib_entry_index);
559 return (FIB_TABLE_WALK_CONTINUE);
563 ip6_fib_table_show_all (ip6_fib_t *fib,
566 fib_node_index_t *fib_entry_index;
567 ip6_fib_show_ctx_t ctx = {
571 ip6_fib_table_walk(fib->index, ip6_fib_table_show_walk, &ctx);
572 vec_sort_with_function(ctx.entries, fib_entry_cmp_for_sort);
574 vec_foreach(fib_entry_index, ctx.entries)
576 vlib_cli_output(vm, "%U",
579 FIB_ENTRY_FORMAT_BRIEF);
582 vec_free(ctx.entries);
586 ip6_fib_table_show_one (ip6_fib_t *fib,
588 ip6_address_t *address,
592 vlib_cli_output(vm, "%U",
594 ip6_fib_table_lookup(fib->index, address, mask_len),
596 FIB_ENTRY_FORMAT_DETAIL2:
597 FIB_ENTRY_FORMAT_DETAIL));
601 format_ip6_fib_table_memory (u8 * s, va_list * args)
605 bytes_inuse = (alloc_arena_next(&(ip6_fib_table[IP6_FIB_TABLE_NON_FWDING].ip6_hash)) +
606 alloc_arena_next(&(ip6_fib_table[IP6_FIB_TABLE_FWDING].ip6_hash)));
608 s = format(s, "%=30s %=6d %=12ld\n",
610 pool_elts(ip6_main.fibs),
617 u64 count_by_prefix_length[129];
618 } count_routes_in_fib_at_prefix_length_arg_t;
621 count_routes_in_fib_at_prefix_length (clib_bihash_kv_24_8_t * kvp,
624 count_routes_in_fib_at_prefix_length_arg_t * ap = arg;
627 if ((kvp->key[2]>>32) != ap->fib_index)
628 return (BIHASH_WALK_CONTINUE);
630 mask_width = kvp->key[2] & 0xFF;
632 ap->count_by_prefix_length[mask_width]++;
634 return (BIHASH_WALK_CONTINUE);
637 static clib_error_t *
638 ip6_show_fib (vlib_main_t * vm,
639 unformat_input_t * input,
640 vlib_cli_command_t * cmd)
642 count_routes_in_fib_at_prefix_length_arg_t _ca, *ca = &_ca;
643 ip6_main_t * im6 = &ip6_main;
644 fib_table_t *fib_table;
646 int verbose, matching;
647 ip6_address_t matching_address;
649 int table_id = -1, fib_index = ~0;
656 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
658 if (unformat (input, "brief") ||
659 unformat (input, "summary") ||
660 unformat (input, "sum"))
663 else if (unformat (input, "detail") ||
664 unformat (input, "det"))
667 else if (unformat (input, "hash") ||
668 unformat (input, "mem") ||
669 unformat (input, "memory"))
672 else if (unformat (input, "%U/%d",
673 unformat_ip6_address, &matching_address, &mask_len))
676 else if (unformat (input, "%U", unformat_ip6_address, &matching_address))
679 else if (unformat (input, "table %d", &table_id))
681 else if (unformat (input, "index %d", &fib_index))
689 vlib_cli_output (vm, "IPv6 Non-Forwarding Hash Table:\n%U\n",
691 &ip6_fib_table[IP6_FIB_TABLE_NON_FWDING].ip6_hash,
693 vlib_cli_output (vm, "IPv6 Forwarding Hash Table:\n%U\n",
695 &ip6_fib_table[IP6_FIB_TABLE_FWDING].ip6_hash,
700 pool_foreach (fib_table, im6->fibs)
705 fib = pool_elt_at_index(im6->v6_fibs, fib_table->ft_index);
706 if (table_id >= 0 && table_id != (int)fib->table_id)
708 if (fib_index != ~0 && fib_index != (int)fib->index)
710 if (fib_table->ft_flags & FIB_TABLE_FLAG_IP6_LL)
713 s = format(s, "%U, fib_index:%d, flow hash:[%U] epoch:%d flags:%U locks:[",
714 format_fib_table_name, fib->index,
717 format_ip_flow_hash_config,
718 fib_table->ft_flow_hash_config,
720 format_fib_table_flags, fib_table->ft_flags);
722 vec_foreach_index(source, fib_table->ft_locks)
724 if (0 != fib_table->ft_locks[source])
726 s = format(s, "%U:%d, ",
727 format_fib_source, source,
728 fib_table->ft_locks[source]);
732 vlib_cli_output (vm, "%v", s);
738 clib_bihash_24_8_t * h = &ip6_fib_table[IP6_FIB_TABLE_NON_FWDING].ip6_hash;
741 vlib_cli_output (vm, "%=20s%=16s", "Prefix length", "Count");
743 clib_memset (ca, 0, sizeof(*ca));
744 ca->fib_index = fib->index;
746 clib_bihash_foreach_key_value_pair_24_8
747 (h, count_routes_in_fib_at_prefix_length, ca);
749 for (len = 128; len >= 0; len--)
751 if (ca->count_by_prefix_length[len])
752 vlib_cli_output (vm, "%=20d%=16lld",
753 len, ca->count_by_prefix_length[len]);
760 ip6_fib_table_show_all(fib, vm);
764 ip6_fib_table_show_one(fib, vm, &matching_address, mask_len, detail);
772 * This command displays the IPv6 FIB Tables (VRF Tables) and the route
773 * entries for each table.
775 * @note This command will run for a long time when the FIB tables are
776 * comprised of millions of entries. For those scenarios, consider displaying
781 * Example of how to display all the IPv6 FIB tables:
782 * @cliexstart{show ip6 fib}
783 * ipv6-VRF:0, fib_index 0, flow hash: src dst sport dport proto
786 * [@0]: dpo-load-balance: [index:5 buckets:1 uRPF:5 to:[0:0]]
787 * [0] [@0]: dpo-drop ip6
790 * [@0]: dpo-load-balance: [index:10 buckets:1 uRPF:10 to:[0:0]]
791 * [0] [@2]: dpo-receive
794 * [@0]: dpo-load-balance: [index:8 buckets:1 uRPF:8 to:[0:0]]
795 * [0] [@2]: dpo-receive
798 * [@0]: dpo-load-balance: [index:7 buckets:1 uRPF:7 to:[0:0]]
799 * [0] [@2]: dpo-receive
802 * [@0]: dpo-load-balance: [index:9 buckets:1 uRPF:9 to:[0:0]]
803 * [0] [@2]: dpo-receive
806 * [@0]: dpo-load-balance: [index:6 buckets:1 uRPF:6 to:[0:0]]
807 * [0] [@2]: dpo-receive
808 * ipv6-VRF:8, fib_index 1, flow hash: src dst sport dport proto
811 * [@0]: dpo-load-balance: [index:21 buckets:1 uRPF:20 to:[0:0]]
812 * [0] [@0]: dpo-drop ip6
815 * [@0]: dpo-load-balance: [index:27 buckets:1 uRPF:26 to:[0:0]]
816 * [0] [@4]: ipv6-glean: af_packet0
819 * [@0]: dpo-load-balance: [index:28 buckets:1 uRPF:27 to:[0:0]]
820 * [0] [@2]: dpo-receive: @::a:1:1:0:7 on af_packet0
823 * [@0]: dpo-load-balance: [index:26 buckets:1 uRPF:25 to:[0:0]]
824 * [0] [@2]: dpo-receive
825 * fe80::fe:3eff:fe3e:9222/128
827 * [@0]: dpo-load-balance: [index:29 buckets:1 uRPF:28 to:[0:0]]
828 * [0] [@2]: dpo-receive: fe80::fe:3eff:fe3e:9222 on af_packet0
831 * [@0]: dpo-load-balance: [index:24 buckets:1 uRPF:23 to:[0:0]]
832 * [0] [@2]: dpo-receive
835 * [@0]: dpo-load-balance: [index:23 buckets:1 uRPF:22 to:[0:0]]
836 * [0] [@2]: dpo-receive
839 * [@0]: dpo-load-balance: [index:25 buckets:1 uRPF:24 to:[0:0]]
840 * [0] [@2]: dpo-receive
843 * [@0]: dpo-load-balance: [index:22 buckets:1 uRPF:21 to:[0:0]]
844 * [0] [@2]: dpo-receive
847 * Example of how to display a summary of all IPv6 FIB tables:
848 * @cliexstart{show ip6 fib summary}
849 * ipv6-VRF:0, fib_index 0, flow hash: src dst sport dport proto
850 * Prefix length Count
855 * ipv6-VRF:8, fib_index 1, flow hash: src dst sport dport proto
856 * Prefix length Count
866 VLIB_CLI_COMMAND (ip6_show_fib_command, static) = {
867 .path = "show ip6 fib",
868 .short_help = "show ip6 fib [summary] [table <table-id>] [index <fib-id>] [<ip6-addr>[/<width>]] [detail]",
869 .function = ip6_show_fib,
873 static clib_error_t *
874 ip6_config (vlib_main_t * vm, unformat_input_t * input)
879 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
881 if (unformat (input, "hash-buckets %d", &nbuckets))
883 else if (unformat (input, "heap-size %U",
884 unformat_memory_size, &heapsize))
887 return clib_error_return (0, "unknown input '%U'",
888 format_unformat_error, input);
891 ip6_fib_table_nbuckets = nbuckets;
892 ip6_fib_table_size = heapsize;
897 VLIB_EARLY_CONFIG_FUNCTION (ip6_config, "ip6");
899 static clib_error_t *
900 ip6_fib_init (vlib_main_t * vm)
902 if (ip6_fib_table_nbuckets == 0)
903 ip6_fib_table_nbuckets = IP6_FIB_DEFAULT_HASH_NUM_BUCKETS;
905 ip6_fib_table_nbuckets = 1 << max_log2 (ip6_fib_table_nbuckets);
907 if (ip6_fib_table_size == 0)
908 ip6_fib_table_size = IP6_FIB_DEFAULT_HASH_MEMORY_SIZE;
910 clib_bihash_init_24_8 (&(ip6_fib_table[IP6_FIB_TABLE_FWDING].ip6_hash),
911 "ip6 FIB fwding table",
912 ip6_fib_table_nbuckets, ip6_fib_table_size);
913 clib_bihash_init_24_8 (&ip6_fib_table[IP6_FIB_TABLE_NON_FWDING].ip6_hash,
914 "ip6 FIB non-fwding table",
915 ip6_fib_table_nbuckets, ip6_fib_table_size);
920 VLIB_INIT_FUNCTION (ip6_fib_init) =
922 .runs_before = VLIB_INITS("ip6_lookup_init"),