blob: 002971400fe974a4d27cfa708f127de9733e604d [file] [log] [blame]
/*
* Copyright (c) 2016 Cisco and/or its affiliates.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <vnet/fib/ip6_fib.h>
#include <vnet/fib/fib_table.h>
static void
vnet_ip6_fib_init (u32 fib_index)
{
fib_prefix_t pfx = {
.fp_proto = FIB_PROTOCOL_IP6,
.fp_len = 0,
.fp_addr = {
.ip6 = {
{ 0, 0, },
},
}
};
/*
* Add the default route.
*/
fib_table_entry_special_add(fib_index,
&pfx,
FIB_SOURCE_DEFAULT_ROUTE,
FIB_ENTRY_FLAG_DROP,
ADJ_INDEX_INVALID);
/*
* all link local for us
*/
pfx.fp_addr.ip6.as_u64[0] = clib_host_to_net_u64 (0xFE80000000000000ULL);
pfx.fp_addr.ip6.as_u64[1] = 0;
pfx.fp_len = 10;
fib_table_entry_special_add(fib_index,
&pfx,
FIB_SOURCE_SPECIAL,
FIB_ENTRY_FLAG_LOCAL,
ADJ_INDEX_INVALID);
}
static u32
create_fib_with_table_id (u32 table_id)
{
fib_table_t *fib_table;
ip6_fib_t *v6_fib;
pool_get_aligned(ip6_main.fibs, fib_table, CLIB_CACHE_LINE_BYTES);
pool_get_aligned(ip6_main.v6_fibs, v6_fib, CLIB_CACHE_LINE_BYTES);
memset(fib_table, 0, sizeof(*fib_table));
memset(v6_fib, 0, sizeof(*v6_fib));
ASSERT((fib_table - ip6_main.fibs) ==
(v6_fib - ip6_main.v6_fibs));
fib_table->ft_proto = FIB_PROTOCOL_IP6;
fib_table->ft_index =
v6_fib->index =
(fib_table - ip6_main.fibs);
hash_set(ip6_main.fib_index_by_table_id, table_id, fib_table->ft_index);
fib_table->ft_table_id =
v6_fib->table_id =
table_id;
fib_table->ft_flow_hash_config =
v6_fib->flow_hash_config =
IP_FLOW_HASH_DEFAULT;
vnet_ip6_fib_init(fib_table->ft_index);
fib_table_lock(fib_table->ft_index, FIB_PROTOCOL_IP6);
return (fib_table->ft_index);
}
u32
ip6_fib_table_find_or_create_and_lock (u32 table_id)
{
uword * p;
p = hash_get (ip6_main.fib_index_by_table_id, table_id);
if (NULL == p)
return create_fib_with_table_id(table_id);
fib_table_lock(p[0], FIB_PROTOCOL_IP6);
return (p[0]);
}
u32
ip6_fib_table_create_and_lock (void)
{
return (create_fib_with_table_id(~0));
}
void
ip6_fib_table_destroy (u32 fib_index)
{
fib_prefix_t pfx = {
.fp_proto = FIB_PROTOCOL_IP6,
.fp_len = 0,
.fp_addr = {
.ip6 = {
{ 0, 0, },
},
}
};
/*
* the default route.
*/
fib_table_entry_special_remove(fib_index,
&pfx,
FIB_SOURCE_DEFAULT_ROUTE);
/*
* ff02::1:ff00:0/104
*/
ip6_set_solicited_node_multicast_address(&pfx.fp_addr.ip6, 0);
pfx.fp_len = 104;
fib_table_entry_special_remove(fib_index,
&pfx,
FIB_SOURCE_SPECIAL);
/*
* all-routers multicast address
*/
ip6_set_reserved_multicast_address (&pfx.fp_addr.ip6,
IP6_MULTICAST_SCOPE_link_local,
IP6_MULTICAST_GROUP_ID_all_routers);
pfx.fp_len = 128;
fib_table_entry_special_remove(fib_index,
&pfx,
FIB_SOURCE_SPECIAL);
/*
* all-nodes multicast address
*/
ip6_set_reserved_multicast_address (&pfx.fp_addr.ip6,
IP6_MULTICAST_SCOPE_link_local,
IP6_MULTICAST_GROUP_ID_all_hosts);
pfx.fp_len = 128;
fib_table_entry_special_remove(fib_index,
&pfx,
FIB_SOURCE_SPECIAL);
/*
* all-mldv2 multicast address
*/
ip6_set_reserved_multicast_address (&pfx.fp_addr.ip6,
IP6_MULTICAST_SCOPE_link_local,
IP6_MULTICAST_GROUP_ID_mldv2_routers);
pfx.fp_len = 128;
fib_table_entry_special_remove(fib_index,
&pfx,
FIB_SOURCE_SPECIAL);
/*
* all link local
*/
pfx.fp_addr.ip6.as_u64[0] = clib_host_to_net_u64 (0xFE80000000000000ULL);
pfx.fp_addr.ip6.as_u64[1] = 0;
pfx.fp_len = 10;
fib_table_entry_special_remove(fib_index,
&pfx,
FIB_SOURCE_SPECIAL);
fib_table_t *fib_table = fib_table_get(fib_index, FIB_PROTOCOL_IP6);
fib_source_t source;
/*
* validate no more routes.
*/
ASSERT(0 == fib_table->ft_total_route_counts);
FOR_EACH_FIB_SOURCE(source)
{
ASSERT(0 == fib_table->ft_src_route_counts[source]);
}
if (~0 != fib_table->ft_table_id)
{
hash_unset (ip6_main.fib_index_by_table_id, fib_table->ft_table_id);
}
pool_put_index(ip6_main.v6_fibs, fib_table->ft_index);
pool_put(ip6_main.fibs, fib_table);
}
fib_node_index_t
ip6_fib_table_lookup (u32 fib_index,
const ip6_address_t *addr,
u32 len)
{
const ip6_fib_table_instance_t *table;
BVT(clib_bihash_kv) kv, value;
int i, n_p, rv;
u64 fib;
table = &ip6_main.ip6_table[IP6_FIB_TABLE_NON_FWDING];
n_p = vec_len (table->prefix_lengths_in_search_order);
kv.key[0] = addr->as_u64[0];
kv.key[1] = addr->as_u64[1];
fib = ((u64)((fib_index))<<32);
/*
* start search from a mask length same length or shorter.
* we don't want matches longer than the mask passed
*/
i = 0;
while (i < n_p && table->prefix_lengths_in_search_order[i] > len)
{
i++;
}
for (; i < n_p; i++)
{
int dst_address_length = table->prefix_lengths_in_search_order[i];
ip6_address_t * mask = &ip6_main.fib_masks[dst_address_length];
ASSERT(dst_address_length >= 0 && dst_address_length <= 128);
//As lengths are decreasing, masks are increasingly specific.
kv.key[0] &= mask->as_u64[0];
kv.key[1] &= mask->as_u64[1];
kv.key[2] = fib | dst_address_length;
rv = BV(clib_bihash_search_inline_2)(&table->ip6_hash, &kv, &value);
if (rv == 0)
return value.value;
}
return (FIB_NODE_INDEX_INVALID);
}
fib_node_index_t
ip6_fib_table_lookup_exact_match (u32 fib_index,
const ip6_address_t *addr,
u32 len)
{
const ip6_fib_table_instance_t *table;
BVT(clib_bihash_kv) kv, value;
ip6_address_t *mask;
u64 fib;
int rv;
table = &ip6_main.ip6_table[IP6_FIB_TABLE_NON_FWDING];
mask = &ip6_main.fib_masks[len];
fib = ((u64)((fib_index))<<32);
kv.key[0] = addr->as_u64[0] & mask->as_u64[0];
kv.key[1] = addr->as_u64[1] & mask->as_u64[1];
kv.key[2] = fib | len;
rv = BV(clib_bihash_search_inline_2)(&table->ip6_hash, &kv, &value);
if (rv == 0)
return value.value;
return (FIB_NODE_INDEX_INVALID);
}
static void
compute_prefix_lengths_in_search_order (ip6_fib_table_instance_t *table)
{
int i;
vec_reset_length (table->prefix_lengths_in_search_order);
/* Note: bitmap reversed so this is in fact a longest prefix match */
clib_bitmap_foreach (i, table->non_empty_dst_address_length_bitmap,
({
int dst_address_length = 128 - i;
vec_add1(table->prefix_lengths_in_search_order, dst_address_length);
}));
}
void
ip6_fib_table_entry_remove (u32 fib_index,
const ip6_address_t *addr,
u32 len)
{
ip6_fib_table_instance_t *table;
BVT(clib_bihash_kv) kv;
ip6_address_t *mask;
u64 fib;
table = &ip6_main.ip6_table[IP6_FIB_TABLE_NON_FWDING];
mask = &ip6_main.fib_masks[len];
fib = ((u64)((fib_index))<<32);
kv.key[0] = addr->as_u64[0] & mask->as_u64[0];
kv.key[1] = addr->as_u64[1] & mask->as_u64[1];
kv.key[2] = fib | len;
BV(clib_bihash_add_del)(&table->ip6_hash, &kv, 0);
/* refcount accounting */
ASSERT (table->dst_address_length_refcounts[len] > 0);
if (--table->dst_address_length_refcounts[len] == 0)
{
table->non_empty_dst_address_length_bitmap =
clib_bitmap_set (table->non_empty_dst_address_length_bitmap,
128 - len, 0);
compute_prefix_lengths_in_search_order (table);
}
}
void
ip6_fib_table_entry_insert (u32 fib_index,
const ip6_address_t *addr,
u32 len,
fib_node_index_t fib_entry_index)
{
ip6_fib_table_instance_t *table;
BVT(clib_bihash_kv) kv;
ip6_address_t *mask;
u64 fib;
table = &ip6_main.ip6_table[IP6_FIB_TABLE_NON_FWDING];
mask = &ip6_main.fib_masks[len];
fib = ((u64)((fib_index))<<32);
kv.key[0] = addr->as_u64[0] & mask->as_u64[0];
kv.key[1] = addr->as_u64[1] & mask->as_u64[1];
kv.key[2] = fib | len;
kv.value = fib_entry_index;
BV(clib_bihash_add_del)(&table->ip6_hash, &kv, 1);
table->dst_address_length_refcounts[len]++;
table->non_empty_dst_address_length_bitmap =
clib_bitmap_set (table->non_empty_dst_address_length_bitmap,
128 - len, 1);
compute_prefix_lengths_in_search_order (table);
}
u32
ip6_fib_table_fwding_lookup (ip6_main_t * im,
u32 fib_index,
const ip6_address_t * dst)
{
const ip6_fib_table_instance_t *table;
int i, len;
int rv;
BVT(clib_bihash_kv) kv, value;
u64 fib;
table = &ip6_main.ip6_table[IP6_FIB_TABLE_FWDING];
len = vec_len (table->prefix_lengths_in_search_order);
kv.key[0] = dst->as_u64[0];
kv.key[1] = dst->as_u64[1];
fib = ((u64)((fib_index))<<32);
for (i = 0; i < len; i++)
{
int dst_address_length = table->prefix_lengths_in_search_order[i];
ip6_address_t * mask = &ip6_main.fib_masks[dst_address_length];
ASSERT(dst_address_length >= 0 && dst_address_length <= 128);
//As lengths are decreasing, masks are increasingly specific.
kv.key[0] &= mask->as_u64[0];
kv.key[1] &= mask->as_u64[1];
kv.key[2] = fib | dst_address_length;
rv = BV(clib_bihash_search_inline_2)(&table->ip6_hash, &kv, &value);
if (rv == 0)
return value.value;
}
/* default route is always present */
ASSERT(0);
return 0;
}
u32 ip6_fib_table_fwding_lookup_with_if_index (ip6_main_t * im,
u32 sw_if_index,
const ip6_address_t * dst)
{
u32 fib_index = vec_elt (im->fib_index_by_sw_if_index, sw_if_index);
return ip6_fib_table_fwding_lookup(im, fib_index, dst);
}
flow_hash_config_t
ip6_fib_table_get_flow_hash_config (u32 fib_index)
{
return (ip6_fib_get(fib_index)->flow_hash_config);
}
u32
ip6_fib_table_get_index_for_sw_if_index (u32 sw_if_index)
{
if (sw_if_index >= vec_len(ip6_main.fib_index_by_sw_if_index))
{
/*
* This is the case for interfaces that are not yet mapped to
* a IP table
*/
return (~0);
}
return (ip6_main.fib_index_by_sw_if_index[sw_if_index]);
}
void
ip6_fib_table_fwding_dpo_update (u32 fib_index,
const ip6_address_t *addr,
u32 len,
const dpo_id_t *dpo)
{
ip6_fib_table_instance_t *table;
BVT(clib_bihash_kv) kv;
ip6_address_t *mask;
u64 fib;
table = &ip6_main.ip6_table[IP6_FIB_TABLE_FWDING];
mask = &ip6_main.fib_masks[len];
fib = ((u64)((fib_index))<<32);
kv.key[0] = addr->as_u64[0] & mask->as_u64[0];
kv.key[1] = addr->as_u64[1] & mask->as_u64[1];
kv.key[2] = fib | len;
kv.value = dpo->dpoi_index;
BV(clib_bihash_add_del)(&table->ip6_hash, &kv, 1);
table->dst_address_length_refcounts[len]++;
table->non_empty_dst_address_length_bitmap =
clib_bitmap_set (table->non_empty_dst_address_length_bitmap,
128 - len, 1);
compute_prefix_lengths_in_search_order (table);
}
void
ip6_fib_table_fwding_dpo_remove (u32 fib_index,
const ip6_address_t *addr,
u32 len,
const dpo_id_t *dpo)
{
ip6_fib_table_instance_t *table;
BVT(clib_bihash_kv) kv;
ip6_address_t *mask;
u64 fib;
table = &ip6_main.ip6_table[IP6_FIB_TABLE_FWDING];
mask = &ip6_main.fib_masks[len];
fib = ((u64)((fib_index))<<32);
kv.key[0] = addr->as_u64[0] & mask->as_u64[0];
kv.key[1] = addr->as_u64[1] & mask->as_u64[1];
kv.key[2] = fib | len;
kv.value = dpo->dpoi_index;
BV(clib_bihash_add_del)(&table->ip6_hash, &kv, 0);
/* refcount accounting */
ASSERT (table->dst_address_length_refcounts[len] > 0);
if (--table->dst_address_length_refcounts[len] == 0)
{
table->non_empty_dst_address_length_bitmap =
clib_bitmap_set (table->non_empty_dst_address_length_bitmap,
128 - len, 0);
compute_prefix_lengths_in_search_order (table);
}
}
/**
* @brief Context when walking the IPv6 table. Since all VRFs are in the
* same hash table, we need to filter only those we need as we walk
*/
typedef struct ip6_fib_walk_ctx_t_
{
u32 i6w_fib_index;
fib_table_walk_fn_t i6w_fn;
void *i6w_ctx;
} ip6_fib_walk_ctx_t;
static int
ip6_fib_walk_cb (clib_bihash_kv_24_8_t * kvp,
void *arg)
{
ip6_fib_walk_ctx_t *ctx = arg;
if ((kvp->key[2] >> 32) == ctx->i6w_fib_index)
{
ctx->i6w_fn(kvp->value, ctx->i6w_ctx);
}
return (1);
}
void
ip6_fib_table_walk (u32 fib_index,
fib_table_walk_fn_t fn,
void *arg)
{
ip6_fib_walk_ctx_t ctx = {
.i6w_fib_index = fib_index,
.i6w_fn = fn,
.i6w_ctx = arg,
};
ip6_main_t *im = &ip6_main;
BV(clib_bihash_foreach_key_value_pair)(&im->ip6_table[IP6_FIB_TABLE_NON_FWDING].ip6_hash,
ip6_fib_walk_cb,
&ctx);
}
typedef struct ip6_fib_show_ctx_t_ {
fib_node_index_t *entries;
} ip6_fib_show_ctx_t;
static int
ip6_fib_table_show_walk (fib_node_index_t fib_entry_index,
void *arg)
{
ip6_fib_show_ctx_t *ctx = arg;
vec_add1(ctx->entries, fib_entry_index);
return (1);
}
static void
ip6_fib_table_show_all (ip6_fib_t *fib,
vlib_main_t * vm)
{
fib_node_index_t *fib_entry_index;
ip6_fib_show_ctx_t ctx = {
.entries = NULL,
};
ip6_fib_table_walk(fib->index, ip6_fib_table_show_walk, &ctx);
vec_sort_with_function(ctx.entries, fib_entry_cmp_for_sort);
vec_foreach(fib_entry_index, ctx.entries)
{
vlib_cli_output(vm, "%U",
format_fib_entry,
*fib_entry_index,
FIB_ENTRY_FORMAT_BRIEF);
}
vec_free(ctx.entries);
}
static void
ip6_fib_table_show_one (ip6_fib_t *fib,
vlib_main_t * vm,
ip6_address_t *address,
u32 mask_len,
int detail)
{
vlib_cli_output(vm, "%U",
format_fib_entry,
ip6_fib_table_lookup(fib->index, address, mask_len),
(detail ?
FIB_ENTRY_FORMAT_DETAIL2:
FIB_ENTRY_FORMAT_DETAIL));
}
typedef struct {
u32 fib_index;
u64 count_by_prefix_length[129];
} count_routes_in_fib_at_prefix_length_arg_t;
static void
count_routes_in_fib_at_prefix_length (BVT(clib_bihash_kv) * kvp,
void *arg)
{
count_routes_in_fib_at_prefix_length_arg_t * ap = arg;
int mask_width;
if ((kvp->key[2]>>32) != ap->fib_index)
return;
mask_width = kvp->key[2] & 0xFF;
ap->count_by_prefix_length[mask_width]++;
}
static clib_error_t *
ip6_show_fib (vlib_main_t * vm,
unformat_input_t * input,
vlib_cli_command_t * cmd)
{
count_routes_in_fib_at_prefix_length_arg_t _ca, *ca = &_ca;
ip6_main_t * im6 = &ip6_main;
fib_table_t *fib_table;
ip6_fib_t * fib;
int verbose, matching;
ip6_address_t matching_address;
u32 mask_len = 128;
int table_id = -1, fib_index = ~0;
int detail = 0;
verbose = 1;
matching = 0;
while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
{
if (unformat (input, "brief") ||
unformat (input, "summary") ||
unformat (input, "sum"))
verbose = 0;
else if (unformat (input, "detail") ||
unformat (input, "det"))
detail = 1;
else if (unformat (input, "%U/%d",
unformat_ip6_address, &matching_address, &mask_len))
matching = 1;
else if (unformat (input, "%U", unformat_ip6_address, &matching_address))
matching = 1;
else if (unformat (input, "table %d", &table_id))
;
else if (unformat (input, "index %d", &fib_index))
;
else
break;
}
pool_foreach (fib_table, im6->fibs,
({
fib = pool_elt_at_index(im6->v6_fibs, fib_table->ft_index);
if (table_id >= 0 && table_id != (int)fib->table_id)
continue;
if (fib_index != ~0 && fib_index != (int)fib->index)
continue;
vlib_cli_output (vm, "%s, fib_index %d, flow hash: %U",
fib_table->ft_desc, fib->index,
format_ip_flow_hash_config, fib->flow_hash_config);
/* Show summary? */
if (! verbose)
{
BVT(clib_bihash) * h = &im6->ip6_table[IP6_FIB_TABLE_NON_FWDING].ip6_hash;
int len;
vlib_cli_output (vm, "%=20s%=16s", "Prefix length", "Count");
memset (ca, 0, sizeof(*ca));
ca->fib_index = fib->index;
BV(clib_bihash_foreach_key_value_pair)
(h, count_routes_in_fib_at_prefix_length, ca);
for (len = 128; len >= 0; len--)
{
if (ca->count_by_prefix_length[len])
vlib_cli_output (vm, "%=20d%=16lld",
len, ca->count_by_prefix_length[len]);
}
continue;
}
if (!matching)
{
ip6_fib_table_show_all(fib, vm);
}
else
{
ip6_fib_table_show_one(fib, vm, &matching_address, mask_len, detail);
}
}));
return 0;
}
/*?
* This command displays the IPv6 FIB Tables (VRF Tables) and the route
* entries for each table.
*
* @note This command will run for a long time when the FIB tables are
* comprised of millions of entries. For those senarios, consider displaying
* in summary mode.
*
* @cliexpar
* @parblock
* Example of how to display all the IPv6 FIB tables:
* @cliexstart{show ip6 fib}
* ipv6-VRF:0, fib_index 0, flow hash: src dst sport dport proto
* @::/0
* unicast-ip6-chain
* [@0]: dpo-load-balance: [index:5 buckets:1 uRPF:5 to:[0:0]]
* [0] [@0]: dpo-drop ip6
* fe80::/10
* unicast-ip6-chain
* [@0]: dpo-load-balance: [index:10 buckets:1 uRPF:10 to:[0:0]]
* [0] [@2]: dpo-receive
* ff02::1/128
* unicast-ip6-chain
* [@0]: dpo-load-balance: [index:8 buckets:1 uRPF:8 to:[0:0]]
* [0] [@2]: dpo-receive
* ff02::2/128
* unicast-ip6-chain
* [@0]: dpo-load-balance: [index:7 buckets:1 uRPF:7 to:[0:0]]
* [0] [@2]: dpo-receive
* ff02::16/128
* unicast-ip6-chain
* [@0]: dpo-load-balance: [index:9 buckets:1 uRPF:9 to:[0:0]]
* [0] [@2]: dpo-receive
* ff02::1:ff00:0/104
* unicast-ip6-chain
* [@0]: dpo-load-balance: [index:6 buckets:1 uRPF:6 to:[0:0]]
* [0] [@2]: dpo-receive
* ipv6-VRF:8, fib_index 1, flow hash: src dst sport dport proto
* @::/0
* unicast-ip6-chain
* [@0]: dpo-load-balance: [index:21 buckets:1 uRPF:20 to:[0:0]]
* [0] [@0]: dpo-drop ip6
* @::a:1:1:0:4/126
* unicast-ip6-chain
* [@0]: dpo-load-balance: [index:27 buckets:1 uRPF:26 to:[0:0]]
* [0] [@4]: ipv6-glean: af_packet0
* @::a:1:1:0:7/128
* unicast-ip6-chain
* [@0]: dpo-load-balance: [index:28 buckets:1 uRPF:27 to:[0:0]]
* [0] [@2]: dpo-receive: @::a:1:1:0:7 on af_packet0
* fe80::/10
* unicast-ip6-chain
* [@0]: dpo-load-balance: [index:26 buckets:1 uRPF:25 to:[0:0]]
* [0] [@2]: dpo-receive
* fe80::fe:3eff:fe3e:9222/128
* unicast-ip6-chain
* [@0]: dpo-load-balance: [index:29 buckets:1 uRPF:28 to:[0:0]]
* [0] [@2]: dpo-receive: fe80::fe:3eff:fe3e:9222 on af_packet0
* ff02::1/128
* unicast-ip6-chain
* [@0]: dpo-load-balance: [index:24 buckets:1 uRPF:23 to:[0:0]]
* [0] [@2]: dpo-receive
* ff02::2/128
* unicast-ip6-chain
* [@0]: dpo-load-balance: [index:23 buckets:1 uRPF:22 to:[0:0]]
* [0] [@2]: dpo-receive
* ff02::16/128
* unicast-ip6-chain
* [@0]: dpo-load-balance: [index:25 buckets:1 uRPF:24 to:[0:0]]
* [0] [@2]: dpo-receive
* ff02::1:ff00:0/104
* unicast-ip6-chain
* [@0]: dpo-load-balance: [index:22 buckets:1 uRPF:21 to:[0:0]]
* [0] [@2]: dpo-receive
* @cliexend
*
* Example of how to display a summary of all IPv6 FIB tables:
* @cliexstart{show ip6 fib summary}
* ipv6-VRF:0, fib_index 0, flow hash: src dst sport dport proto
* Prefix length Count
* 128 3
* 104 1
* 10 1
* 0 1
* ipv6-VRF:8, fib_index 1, flow hash: src dst sport dport proto
* Prefix length Count
* 128 5
* 126 1
* 104 1
* 10 1
* 0 1
* @cliexend
* @endparblock
?*/
/* *INDENT-OFF* */
VLIB_CLI_COMMAND (ip6_show_fib_command, static) = {
.path = "show ip6 fib",
.short_help = "show ip6 fib [summary] [table <table-id>] [index <fib-id>] [<ip6-addr>[/<width>]] [detail]",
.function = ip6_show_fib,
};
/* *INDENT-ON* */