/*
* 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.
*/
/*
* ip/ip6.h: ip6 main include file
*
* Copyright (c) 2008 Eliot Dresselhaus
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#ifndef included_ip_ip6_h
#define included_ip_ip6_h
#include <vlib/mc.h>
#include <vlib/buffer.h>
#include <vnet/ethernet/packet.h>
#include <vnet/ip/ip6_packet.h>
#include <vnet/ip/ip6_hop_by_hop_packet.h>
#include <vnet/ip/lookup.h>
#include <stdbool.h>
#include <vppinfra/bihash_24_8.h>
#include <vppinfra/bihash_template.h>
#include <vnet/util/radix.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)
typedef struct
{
ip6_address_t addr;
u32 dst_address_length;
u32 vrf_index;
} ip6_fib_key_t;
typedef struct
{
/* Table ID (hash key) for this FIB. */
u32 table_id;
/* Index into FIB vector. */
u32 index;
} ip6_fib_t;
typedef struct ip6_mfib_t
{
/* Table ID (hash key) for this FIB. */
u32 table_id;
/* Index into FIB vector. */
u32 index;
/*
* Pointer to the top of a radix tree.
* This cannot be realloc'd, hence it cannot be inlined with this table
*/
struct radix_node_head *rhead;
} ip6_mfib_t;
struct ip6_main_t;
typedef void (ip6_add_del_interface_address_function_t)
(struct ip6_main_t * im,
uword opaque,
u32 sw_if_index,
ip6_address_t * address,
u32 address_length, u32 if_address_index, u32 is_del);
typedef struct
{
ip6_add_del_interface_address_function_t *function;
uword function_opaque;
} ip6_add_del_interface_address_callback_t;
typedef void (ip6_table_bind_function_t)
(struct ip6_main_t * im,
uword opaque, u32 sw_if_index, u32 new_fib_index, u32 old_fib_index);
typedef struct
{
ip6_table_bind_function_t *function;
uword function_opaque;
} ip6_table_bind_callback_t;
/**
* 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 adjacnecy 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 represenation of a single IP6 table
*/
typedef struct ip6_fib_table_instance_t_
{
/* The hash table */
BVT (clib_bihash) 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;
typedef struct ip6_main_t
{
/**
* The two FIB tables; fwding and non-fwding
*/
ip6_fib_table_instance_t ip6_table[IP6_FIB_NUM_TABLES];
ip_lookup_main_t lookup_main;
/* Pool of FIBs. */
struct fib_table_t_ *fibs;
/* Pool of V6 FIBs. */
ip6_fib_t *v6_fibs;
/** Vector of MFIBs. */
struct mfib_table_t_ *mfibs;
/* Network byte orders subnet mask for each prefix length */
ip6_address_t fib_masks[129];
/* Table index indexed by software interface. */
u32 *fib_index_by_sw_if_index;
/** Table index indexed by software interface. */
u32 *mfib_index_by_sw_if_index;
/* IP6 enabled count by software interface */
u8 *ip_enabled_by_sw_if_index;
/* Hash table mapping table id to fib index.
ID space is not necessarily dense; index space is dense. */
uword *fib_index_by_table_id;
/** Hash table mapping table id to multicast fib index.
ID space is not necessarily dense; index space is dense. */
uword *mfib_index_by_table_id;
/* Hash table mapping interface rewrite adjacency index by sw if index. */
uword *interface_route_adj_index_by_sw_if_index;
/* Functions to call when interface address changes. */
ip6_add_del_interface_address_callback_t
* add_del_interface_address_callbacks;
/** Functions to call when interface to table biding changes. */
ip6_table_bind_callback_t *table_bind_callbacks;
/* Template used to generate IP6 neighbor solicitation packets. */
vlib_packet_template_t discover_neighbor_packet_template;
/* ip6 lookup table config parameters */
u32 lookup_table_nbuckets;
uword lookup_table_size;
/* Seed for Jenkins hash used to compute ip6 flow hash. */
u32 flow_hash_seed;
struct
{
/* TTL to use for host generated packets. */
u8 ttl;
u8 pad[3];
} host_config;
/* HBH processing enabled? */
u8 hbh_enabled;
} ip6_main_t;
/* Global ip6 main structure. */
extern ip6_main_t ip6_main;
/* Global ip6 input node. Errors get attached to ip6 input node. */
extern vlib_node_registration_t ip6_input_node;
extern vlib_node_registration_t ip6_rewrite_node;
extern vlib_node_registration_t ip6_rewrite_mcast_node;
extern vlib_node_registration_t ip6_rewrite_local_node;
extern vlib_node_registration_t ip6_discover_neighbor_node;
extern vlib_node_registration_t ip6_glean_node;
extern vlib_node_registration_t ip6_midchain_node;
extern void ip6_forward_next_trace (vlib_main_t * vm,
vlib_node_runtime_t * node,
vlib_frame_t * frame,
vlib_rx_or_tx_t which_adj_index);
always_inline uword
ip6_destination_matches_route (const ip6_main_t * im,
const ip6_address_t * key,
const ip6_address_t * dest, uword dest_length)
{
int i;
for (i = 0; i < ARRAY_LEN (key->as_uword); i++)
{
if ((key->as_uword[i] ^ dest->as_uword[i]) & im->
fib_masks[dest_length].as_uword[i])
return 0;
}
return 1;
}
always_inline uword
ip6_destination_matches_interface (ip6_main_t * im,
ip6_address_t * key,
ip_interface_address_t * ia)
{
ip6_address_t *a = ip_interface_address_get_address (&im->lookup_main, ia);
return ip6_destination_matches_route (im, key, a, ia->address_length);
}
/* As above but allows for unaligned destinations (e.g. works right from IP header of packet). */
always_inline uword
ip6_unaligned_destination_matches_route (ip6_main_t * im,
ip6_address_t * key,
ip6_address_t * dest,
uword dest_length)
{
int i;
for (i = 0; i < ARRAY_LEN (key->as_uword); i++)
{
if ((clib_mem_unaligned (&key->as_uword[i], uword) ^ dest->as_uword[i])
& im->fib_masks[dest_length
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/*
* Copyright (c) 2015 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.
*/
/*
* ip/ip_lookup.c: ip4/6 adjacency and lookup table managment
*
* Copyright (c) 2008 Eliot Dresselhaus
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#include <vnet/ip/ip.h>
#include <vnet/adj/adj.h>
#include <vnet/fib/fib_table.h>
#include <vnet/fib/ip4_fib.h>
#include <vnet/fib/ip6_fib.h>
#include <vnet/mpls/mpls.h>
#include <vnet/mfib/mfib_table.h>
#include <vnet/dpo/drop_dpo.h>
#include <vnet/dpo/classify_dpo.h>
#include <vnet/dpo/punt_dpo.h>
#include <vnet/dpo/receive_dpo.h>
#include <vnet/dpo/ip_null_dpo.h>
#include <vnet/dpo/l3_proxy_dpo.h>
#include <vnet/ip/ip6_neighbor.h>
#include <vnet/ethernet/arp.h>
/**
* @file
* @brief IPv4 and IPv6 adjacency and lookup table managment.
*
*/
clib_error_t *
ip_interface_address_add_del (ip_lookup_main_t * lm,
u32 sw_if_index,
void *addr_fib,
u32 address_length,
u32 is_del, u32 * result_if_address_index)
{
vnet_main_t *vnm = vnet_get_main ();
ip_interface_address_t *a, *prev, *next;
uword *p = mhash_get (&lm->address_to_if_address_index, addr_fib);
vec_validate_init_empty (lm->if_address_pool_index_by_sw_if_index,
sw_if_index, ~0);
a = p ? pool_elt_at_index (lm->if_address_pool, p[0]) : 0;
/* Verify given length. */
if ((a && (address_length != a->address_length)) ||
(address_length == 0) ||
(lm->is_ip6 && address_length > 128) ||
(!lm->is_ip6 && address_length > 32))
{
vnm->api_errno = VNET_API_ERROR_ADDRESS_LENGTH_MISMATCH;
return clib_error_create
("%U wrong length (expected %d) for interface %U",
lm->format_address_and_length, addr_fib,
address_length, a ? a->address_length : -1,
format_vnet_sw_if_index_name, vnm, sw_if_index);
}
if (is_del)
{
if (!a)
{
vnet_sw_interface_t *si = vnet_get_sw_interface (vnm, sw_if_index);
vnm->api_errno = VNET_API_ERROR_ADDRESS_NOT_FOUND_FOR_INTERFACE;
return clib_error_create ("%U not found for interface %U",
lm->format_address_and_length,
addr_fib, address_length,
format_vnet_sw_interface_name, vnm, si);
}
if (a->prev_this_sw_interface != ~0)
{
prev =
pool_elt_at_index (lm->if_address_pool,
a->prev_this_sw_interface);
prev->next_this_sw_interface = a->next_this_sw_interface;
}
if (a->next_this_sw_interface != ~0)
{
next =
pool_elt_at_index (lm->if_address_pool,
a->next_this_sw_interface);
next->prev_this_sw_interface = a->prev_this_sw_interface;
if (a->prev_this_sw_interface == ~0)
lm->if_address_pool_index_by_sw_if_index[sw_if_index] =
a->next_this_sw_interface;
}
if ((a->next_this_sw_interface == ~0)
&& (a->prev_this_sw_interface == ~0))
lm->if_address_pool_index_by_sw_if_index[sw_if_index] = ~0;
mhash_unset (&lm->address_to_if_address_index, addr_fib,
/* old_value */ 0);
pool_put (lm->if_address_pool, a);
if (result_if_address_index)
*result_if_address_index = ~0;
}
else if (!a)
{
u32 pi; /* previous index */
u32 ai;
u32 hi; /* head index */
pool_get (lm->if_address_pool, a);
clib_memset (a, ~0, sizeof (a[0]));
ai = a - lm->if_address_pool;
hi = pi = lm->if_address_pool_index_by_sw_if_index[sw_if_index];
prev = 0;
while (pi != (u32) ~ 0)
{
prev = pool_elt_at_index (lm->if_address_pool, pi);
pi = prev->next_this_sw_interface;
}
pi = prev ? prev - lm->if_address_pool : (u32) ~ 0;
a->address_key = mhash_set (&lm->address_to_if_address_index,
addr_fib, ai, /* old_value */ 0);
a->address_length = address_length;
a->sw_if_index = sw_if_index;
a->flags = 0;
a->prev_this_sw_interface = pi;
a->next_this_sw_interface = ~0;
if (prev)
prev->next_this_sw_interface = ai;
lm->if_address_pool_index_by_sw_if_index[sw_if_index] =
(hi != ~0) ? hi : ai;
if (result_if_address_index)
*result_if_address_index = ai;
}
else
{
if (sw_if_index != a->sw_if_index)
{
if (result_if_address_index)
*result_if_address_index = ~0;
vnm->api_errno = VNET_API_ERROR_DUPLICATE_IF_ADDRESS;
return clib_error_create
("Prefix %U already found on interface %U",
lm->format_address_and_length, addr_fib, address_length,
format_vnet_sw_if_index_name, vnm, a->sw_if_index);
}
if (result_if_address_index)
*result_if_address_index = a - lm->if_address_pool;
}
return /* no error */ 0;
}
static clib_error_t *
ip_sw_interface_add_del (vnet_main_t * vnm, u32 sw_if_index, u32 is_add)
{
vec_validate_init_empty (ip4_main.
lookup_main.if_address_pool_index_by_sw_if_index,
sw_if_index, ~0);
vec_validate_init_empty (ip6_main.
lookup_main.if_address_pool_index_by_sw_if_index,
sw_if_index, ~0);
return (NULL);
}
VNET_SW_INTERFACE_ADD_DEL_FUNCTION (ip_sw_interface_add_del);
void
ip_lookup_init (ip_lookup_main_t * lm, u32 is_ip6)
{
if (!lm->fib_result_n_bytes)
lm->fib_result_n_bytes = sizeof (uword);
lm->is_ip6 = is_ip6;
mhash_init (&lm->prefix_to_if_prefix_index, sizeof (uword),
sizeof (ip_interface_prefix_key_t));
if (is_ip6)
{
lm->format_address_and_length = format_ip6_address_and_length;
mhash_init (&lm->address_to_if_address_index, sizeof (uword),
sizeof (ip6_address_fib_t));
}
else
{
lm->format_address_and_length = format_ip4_address_and_length;
mhash_init (&lm->address_to_if_address_index, sizeof (uword),
sizeof (ip4_address_fib_t));
}
{
int i;
/* Setup all IP protocols to be punted and builtin-unknown. */
for (i = 0; i < 256; i++)
{
lm->local_next_by_ip_protocol[i] = IP_LOCAL_NEXT_PUNT;
lm->builtin_protocol_by_ip_protocol[i] = IP_BUILTIN_PROTOCOL_UNKNOWN;
}
lm->local_next_by_ip_protocol[IP_PROTOCOL_UDP] = IP_LOCAL_NEXT_UDP_LOOKUP;
lm->local_next_by_ip_protocol[is_ip6 ? IP_PROTOCOL_ICMP6 :
IP_PROTOCOL_ICMP] = IP_LOCAL_NEXT_ICMP;
lm->builtin_protocol_by_ip_protocol[IP_PROTOCOL_UDP] =
IP_BUILTIN_PROTOCOL_UDP;
lm->builtin_protocol_by_ip_protocol[is_ip6 ? IP_PROTOCOL_ICMP6 :
IP_PROTOCOL_ICMP] =
IP_BUILTIN_PROTOCOL_ICMP;
}
}
u8 *
format_ip_flow_hash_config (u8 * s, va_list * args)
{
flow_hash_config_t flow_hash_config = va_arg (*args, u32);
#define _(n,v) if (flow_hash_config & v) s = format (s, "%s ", #n);
foreach_flow_hash_bit;
#undef _
return s;
}
u8 *
format_ip_adjacency_packet_data (u8 * s, va_list * args)
{
u32 adj_index = va_arg (*args, u32);
u8 *packet_data = va_arg (*args, u8 *);
u32 n_packet_data_bytes = va_arg (*args, u32);
ip_adjacency_t *adj = adj_get (adj_index);
switch (adj->lookup_next_index)
{
case IP_LOOKUP_NEXT_REWRITE:
case IP_LOOKUP_NEXT_MCAST:
s =
format (s, "%U", format_hex_bytes, packet_data, n_packet_data_bytes);
break;
default:
break;
}
return s;
}
static uword
unformat_dpo (unformat_input_t * input, va_list * args)
{
dpo_id_t *dpo = va_arg (*args, dpo_id_t *);
fib_protocol_t fp = va_arg (*args, int);
dpo_proto_t proto;
proto = fib_proto_to_dpo (fp);
if (unformat (input, "drop"))
dpo_copy (dpo, drop_dpo_get (proto));
else if (unformat (input, "punt"))
dpo_copy (dpo, punt_dpo_get (proto));
else if (unformat (input, "local"))
receive_dpo_add_or_lock (proto, ~0, NULL, dpo);
else if (unformat (input, "null-send-unreach"))
ip_null_dpo_add_and_lock (proto, IP_NULL_ACTION_SEND_ICMP_UNREACH, dpo);
else if (unformat (input, "null-send-prohibit"))
ip_null_dpo_add_and_lock (proto, IP_NULL_ACTION_SEND_ICMP_PROHIBIT, dpo);
else if (unformat (input, "null"))
ip_null_dpo_add_and_lock (proto, IP_NULL_ACTION_NONE, dpo);
else if (unformat (input, "classify"))
{
u32 classify_table_index;
if (!unformat (input, "%d", &classify_table_index))
{
clib_warning ("classify adj must specify table index");
return 0;
}
dpo_set (dpo, DPO_CLASSIFY, proto,
classify_dpo_create (proto, classify_table_index));
}
else
return 0;
return 1;
}
const ip46_address_t zero_addr = {
.as_u64 = {
0, 0},
};
static clib_error_t *
vnet_ip_route_cmd (vlib_main_t * vm,
unformat_input_t * main_input, vlib_cli_command_t * cmd)
{
unformat_input_t _line_input, *line_input = &_line_input;
u32 table_id, is_del, fib_index, payload_proto;
dpo_id_t dpo = DPO_INVALID, *dpos = NULL;
fib_route_path_t *rpaths = NULL, rpath;
fib_prefix_t *prefixs = NULL, pfx;
clib_error_t *error = NULL;
f64 count;
int i;
is_del = 0;
table_id = 0;
count = 1;
clib_memset (&pfx, 0, sizeof (pfx));
/* Get a line of input. */
if (!unformat_user (main_input, unformat_line_input, line_input))
return 0;
while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
{
clib_memset (&rpath, 0, sizeof (rpath));
if (unformat (line_input, "table %d", &table_id))
;
else if (unformat (line_input, "count %f", &count))
;
else if (unformat (line_input, "%U/%d",
unformat_ip4_address, &pfx.fp_addr.ip4, &pfx.fp_len))
{
payload_proto = pfx.fp_proto = FIB_PROTOCOL_IP4;
vec_add1 (prefixs, pfx);
}
else if (unformat (line_input, "%U/%d",
unformat_ip6_address, &pfx.fp_addr.ip6, &pfx.fp_len))
{
payload_proto = pfx.fp_proto = FIB_PROTOCOL_IP6;
vec_add1 (prefixs, pfx);
}
else if (unformat (line_input, "via %U",
unformat_fib_route_path, &rpath, &payload_proto))
{
vec_add1 (rpaths, rpath);
}
else if (vec_len (prefixs) > 0 &&
unformat (line_input, "via %U",
unformat_dpo, &dpo, prefixs[0].fp_proto))
{
vec_add1 (dpos, dpo);
}
else if (unformat (line_input, "del"))
is_del = 1;
else if (unformat (line_input, "add"))
is_del = 0;
else
{
error = unformat_parse_error (line_input);
goto done;
}
}
if (vec_len (prefixs) == 0)
{
error =
clib_error_return (0, "expected ip4/ip6 destination address/length.");
goto done;
}
if (!is_del && vec_len (rpaths) + vec_len (dpos) == 0)
{
error = clib_error_return (0, "expected paths.");
goto done;
}
if (~0 == table_id)
{
/*
* if no table_id is passed we will manipulate the default
*/
fib_index = 0;
}
else
{
fib_index = fib_table_find (prefixs[0].fp_proto, table_id);
if (~0 == fib_index)
{
error = clib_error_return (0, "Nonexistent table id %d", table_id);
goto done;
}
}
for (i = 0; i < vec_len (prefixs); i++)
{
if (is_del && 0 == vec_len (rpaths))
{
fib_table_entry_delete (fib_index, &prefixs[i], FIB_SOURCE_CLI);
}
else if (!is_del && 1 == vec_len (dpos))
{
fib_table_entry_special_dpo_add (fib_index,
&prefixs[i],
FIB_SOURCE_CLI,
FIB_ENTRY_FLAG_EXCLUSIVE,
&dpos[0]);
dpo_reset (&dpos[0]);
}
else if (vec_len (dpos) > 0)
{
error =
clib_error_return (0,
"Load-balancing over multiple special adjacencies is unsupported");
goto done;
}
else if (0 < vec_len (rpaths))
{
u32 k, n, incr;
ip46_address_t dst = prefixs[i].fp_addr;
f64 t[2];
n = count;
t[0] = vlib_time_now (vm);
incr = 1 << ((FIB_PROTOCOL_IP4 == prefixs[0].fp_proto ? 32 : 128) -
prefixs[i].fp_len);
for (k = 0; k < n; k++)
{
fib_prefix_t rpfx = {
.fp_len = prefixs[i].fp_len,
.fp_proto = prefixs[i].fp_proto,
.fp_addr = dst,
};
if (is_del)
fib_table_entry_path_remove2 (fib_index,
&rpfx, FIB_SOURCE_CLI, rpaths);
else
fib_table_entry_path_add2 (fib_index,
&rpfx,
FIB_SOURCE_CLI,
FIB_ENTRY_FLAG_NONE, rpaths);
if (FIB_PROTOCOL_IP4 == prefixs[0].fp_proto)
{
dst.ip4.as_u32 =
clib_host_to_net_u32 (incr +
clib_net_to_host_u32 (dst.
ip4.as_u32));
}
else
{
int bucket = (incr < 64 ? 0 : 1);
dst.ip6.as_u64[bucket] =
clib_host_to_net_u64 (incr +
clib_net_to_host_u64 (dst.ip6.as_u64
[bucket]));
}
}
t[1] = vlib_time_now (vm);
if (count > 1)
vlib_cli_output (vm, "%.6e routes/sec", count / (t[1] - t[0]));
}
else
{
error = clib_error_return (0, "Don't understand what you want...");
goto done;
}
}
done:
vec_free (dpos);
vec_free (prefixs);
vec_free (rpaths);
unformat_free (line_input);
return error;
}
clib_error_t *
vnet_ip_table_cmd (vlib_main_t * vm,
unformat_input_t * main_input,
vlib_cli_command_t * cmd, fib_protocol_t fproto)
{
unformat_input_t _line_input, *line_input = &_line_input;
clib_error_t *error = NULL;
u32 table_id, is_add;
u8 *name = NULL;
is_add = 1;
table_id = ~0;
/* Get a line of input. */
if (!unformat_user (main_input, unformat_line_input, line_input))
return 0;
while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
{
if (unformat (line_input, "%d", &table_id))
;
else if (unformat (line_input, "del"))
is_add = 0;
else if (unformat (line_input, "add"))
is_add = 1;
else if (unformat (line_input, "name %s", &name))
;
else
{
error = unformat_parse_error (line_input);
goto done;
}
}
if (~0 == table_id)
{
error = clib_error_return (0, "No table id");
goto done;
}
else if (0 == table_id)
{
error = clib_error_return (0, "Can't change the default table");
goto done;
}
else
{
if (is_add)
{
ip_table_create (fproto, table_id, 0, name);
}
else
{
ip_table_delete (fproto, table_id, 0);
}
}
done:
unformat_free (line_input);
return error;
}
clib_error_t *
vnet_ip4_table_cmd (vlib_main_t * vm,
unformat_input_t * main_input, vlib_cli_command_t * cmd)
{
return (vnet_ip_table_cmd (vm, main_input, cmd, FIB_PROTOCOL_IP4));
}
clib_error_t *
vnet_ip6_table_cmd (vlib_main_t * vm,
unformat_input_t * main_input, vlib_cli_command_t * cmd)
{
return (vnet_ip_table_cmd (vm, main_input, cmd, FIB_PROTOCOL_IP6));
}
/* *INDENT-OFF* */
VLIB_CLI_COMMAND (vlib_cli_ip_command, static) = {
.path = "ip",
.short_help = "Internet protocol (IP) commands",
};
/* *INDENT-ON* */
/* *INDENT-OFF* */
VLIB_CLI_COMMAND (vlib_cli_ip6_command, static) = {
.path = "ip6",
.short_help = "Internet protocol version 6 (IPv6) commands",
};
/* *INDENT-ON* */
/* *INDENT-OFF* */
VLIB_CLI_COMMAND (vlib_cli_show_ip_command, static) = {
.path = "show ip",
.short_help = "Internet protocol (IP) show commands",
};
/* *INDENT-ON* */
/* *INDENT-OFF* */
VLIB_CLI_COMMAND (vlib_cli_show_ip6_command, static) = {
.path = "show ip6",
.short_help = "Internet protocol version 6 (IPv6) show commands",
};
/* *INDENT-ON* */
/*?
* This command is used to add or delete IPv4 or IPv6 routes. All
* IP Addresses ('<em><dst-ip-addr>/<width></em>',
* '<em><next-hop-ip-addr></em>' and '<em><adj-hop-ip-addr></em>')
* can be IPv4 or IPv6, but all must be of the same form in a single
* command. To display the current set of routes, use the commands
* '<em>show ip fib</em>' and '<em>show ip6 fib</em>'.
*
* @cliexpar
* Example of how to add a straight forward static route:
* @cliexcmd{ip route add 6.0.1.2/32 via 6.0.0.1 GigabitEthernet2/0/0}
* Example of how to delete a straight forward static route:
* @cliexcmd{ip route del 6.0.1.2/32 via 6.0.0.1 GigabitEthernet2/0/0}
* Mainly for route add/del performance testing, one can add or delete
* multiple routes by adding 'count N' to the previous item:
* @cliexcmd{ip route add count 10 7.0.0.0/24 via 6.0.0.1 GigabitEthernet2/0/0}
* Add multiple routes for the same destination to create equal-cost multipath:
* @cliexcmd{ip route add 7.0.0.1/32 via 6.0.0.1 GigabitEthernet2/0/0}
* @cliexcmd{ip route add 7.0.0.1/32 via 6.0.0.2 GigabitEthernet2/0/0}
* For unequal-cost multipath, specify the desired weights. This
* combination of weights results in 3/4 of the traffic following the
* second path, 1/4 following the first path:
* @cliexcmd{ip route add 7.0.0.1/32 via 6.0.0.1 GigabitEthernet2/0/0 weight 1}
* @cliexcmd{ip route add 7.0.0.1/32 via 6.0.0.2 GigabitEthernet2/0/0 weight 3}
* To add a route to a particular FIB table (VRF), use:
* @cliexcmd{ip route add 172.16.24.0/24 table 7 via GigabitEthernet2/0/0}
?*/
/* *INDENT-OFF* */
VLIB_CLI_COMMAND (ip_route_command, static) = {
.path = "ip route",
.short_help = "ip route [add|del] [count <n>] <dst-ip-addr>/<width> [table <table-id>] via [next-hop-address] [next-hop-interface] [next-hop-table <value>] [weight <value>] [preference <value>] [udp-encap-id <value>] [ip4-lookup-in-table <value>] [ip6-lookup-in-table <value>] [mpls-lookup-in-table <value>] [resolve-via-host] [resolve-via-connected] [rx-ip4 <interface>] [out-labels <value value value>]",
.function = vnet_ip_route_cmd,
.is_mp_safe = 1,
};
/* *INDENT-ON* */
/*?
* This command is used to add or delete IPv4 Tables. All
* Tables must be explicitly added before that can be used. Creating a
* table will add both unicast and multicast FIBs
*
?*/
/* *INDENT-OFF* */
VLIB_CLI_COMMAND (ip4_table_command, static) = {
.path = "ip table",
.short_help = "ip table [add|del] <table-id>",
.function = vnet_ip4_table_cmd,
.is_mp_safe = 1,
};
/* *INDENT-ON* */
/* *INDENT-ON* */
/*?
* This command is used to add or delete IPv4 Tables. All
* Tables must be explicitly added before that can be used. Creating a
* table will add both unicast and multicast FIBs
*
?*/
/* *INDENT-OFF* */
VLIB_CLI_COMMAND (ip6_table_command, static) = {
.path = "ip6 table",
.short_help = "ip6 table [add|del] <table-id>",
.function = vnet_ip6_table_cmd,
.is_mp_safe = 1,
};
static clib_error_t *
ip_table_bind_cmd (vlib_main_t * vm,
unformat_input_t * input,
vlib_cli_command_t * cmd,
fib_protocol_t fproto)
{
vnet_main_t *vnm = vnet_get_main ();
clib_error_t *error = 0;
u32 sw_if_index, table_id;
int rv;
sw_if_index = ~0;
if (!unformat_user (input, unformat_vnet_sw_interface, vnm, &sw_if_index))
{
error = clib_error_return (0, "unknown interface `%U'",
format_unformat_error, input);
goto done;
}
if (unformat (input, "%d", &table_id))
;
else
{
error = clib_error_return (0, "expected table id `%U'",
format_unformat_error, input);
goto done;
}
rv = ip_table_bind (fproto, sw_if_index, table_id, 0);
if (VNET_API_ERROR_ADDRESS_FOUND_FOR_INTERFACE == rv)
{
error = clib_error_return (0, "IP addresses are still present on %U",
format_vnet_sw_if_index_name,
vnet_get_main(),
sw_if_index);
}
else if (VNET_API_ERROR_NO_SUCH_FIB == rv)
{
error = clib_error_return (0, "no such table %d", table_id);
}
else if (0 != rv)
{
error = clib_error_return (0, "unknown error");
}
done:
return error;
}
static clib_error_t *
ip4_table_bind_cmd (vlib_main_t * vm,
unformat_input_t * input,
vlib_cli_command_t * cmd)
{
return (ip_table_bind_cmd (vm , input, cmd, FIB_PROTOCOL_IP4));
}
static clib_error_t *
ip6_table_bind_cmd (vlib_main_t * vm,
unformat_input_t * input,
vlib_cli_command_t * cmd)
{
return (ip_table_bind_cmd (vm , input, cmd, FIB_PROTOCOL_IP6));
}
/*?
* Place the indicated interface into the supplied IPv4 FIB table (also known
* as a VRF). The FIB table must be created using "ip table add" already. To
* display the current IPv4 FIB table, use the command '<em>show ip fib</em>'.
* FIB table will only be displayed if a route has been added to the table, or
* an IP Address is assigned to an interface in the table (which adds a route
* automatically).
*
* @note IP addresses added after setting the interface IP table are added to
* the indicated FIB table. If an IP address is added prior to changing the
* table then this is an error. The control plane must remove these addresses
* first and then change the table. VPP will not automatically move the
* addresses from the old to the new table as it does not know the validity
* of such a change.
*
* @cliexpar
* Example of how to add an interface to an IPv4 FIB table (where 2 is the table-id):
* @cliexcmd{set interface ip table GigabitEthernet2/0/0 2}
?*/
/* *INDENT-OFF* */
VLIB_CLI_COMMAND (set_interface_ip_table_command, static) =
{
.path = "set interface ip table",
.function = ip4_table_bind_cmd,
.short_help = "set interface ip table <interface> <table-id>",
};
/* *INDENT-ON* */
/*?
* Place the indicated interface into the supplied IPv6 FIB table (also known
* as a VRF). The FIB table must be created using "ip6 table add" already. To
* display the current IPv6 FIB table, use the command '<em>show ip6 fib</em>'.
* FIB table will only be displayed if a route has been added to the table, or
* an IP Address is assigned to an interface in the table (which adds a route
* automatically).
*
* @note IP addresses added after setting the interface IP table are added to
* the indicated FIB table. If an IP address is added prior to changing the
* table then this is an error. The control plane must remove these addresses
* first and then change the table. VPP will not automatically move the
* addresses from the old to the new table as it does not know the validity
* of such a change.
*
* @cliexpar
* Example of how to add an interface to an IPv6 FIB table (where 2 is the table-id):
* @cliexcmd{set interface ip6 table GigabitEthernet2/0/0 2}
?*/
/* *INDENT-OFF* */
VLIB_CLI_COMMAND (set_interface_ip6_table_command, static) =
{
.path = "set interface ip6 table",
.function = ip6_table_bind_cmd,
.short_help = "set interface ip6 table <interface> <table-id>"
};
/* *INDENT-ON* */
clib_error_t *
vnet_ip_mroute_cmd (vlib_main_t * vm,
unformat_input_t * main_input, vlib_cli_command_t * cmd)
{
unformat_input_t _line_input, *line_input = &_line_input;
fib_route_path_t rpath, *rpaths = NULL;
clib_error_t *error = NULL;
u32 table_id, is_del, payload_proto;
mfib_prefix_t pfx;
u32 fib_index;
mfib_entry_flags_t eflags = 0;
u32 gcount, scount, ss, gg, incr;
f64 timet[2];
u32 rpf_id = MFIB_RPF_ID_NONE;
gcount = scount = 1;
is_del = 0;
table_id = 0;
clib_memset (&pfx, 0, sizeof (pfx));
clib_memset (&rpath, 0, sizeof (rpath));
rpath.frp_sw_if_index = ~0;
/* Get a line of input. */
if (!unformat_user (main_input, unformat_line_input, line_input))
return 0;
while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
{
if (unformat (line_input, "table %d", &table_id))
;
else if (unformat (line_input, "del"))
is_del = 1;
else if (unformat (line_input, "add"))
is_del = 0;
else if (unformat (line_input, "rpf-id %d", &rpf_id))
;
else if (unformat (line_input, "scount %d", &scount))
;
else if (unformat (line_input, "gcount %d", &gcount))
;
else if (unformat (line_input, "%U %U",
unformat_ip4_address,
&pfx.fp_src_addr.ip4,
unformat_ip4_address, &pfx.fp_grp_addr.ip4))
{
pfx.fp_proto = FIB_PROTOCOL_IP4;
pfx.fp_len = 64;
}
else if (unformat (line_input, "%U %U",
unformat_ip6_address,
&pfx.fp_src_addr.ip6,
unformat_ip6_address, &pfx.fp_grp_addr.ip6))
{
pfx.fp_proto = FIB_PROTOCOL_IP6;
pfx.fp_len = 256;
}
else if (unformat (line_input, "%U/%d",
unformat_ip4_address,
&pfx.fp_grp_addr.ip4, &pfx.fp_len))
{
clib_memset (&pfx.fp_src_addr.ip4, 0, sizeof (pfx.fp_src_addr.ip4));
pfx.fp_proto = FIB_PROTOCOL_IP4;
}
else if (unformat (line_input, "%U/%d",
unformat_ip6_address,
&pfx.fp_grp_addr.ip6, &pfx.fp_len))
{
clib_memset (&pfx.fp_src_addr.ip6, 0, sizeof (pfx.fp_src_addr.ip6));
pfx.fp_proto = FIB_PROTOCOL_IP6;
}
else if (unformat (line_input, "%U",
unformat_ip4_address, &pfx.fp_grp_addr.ip4))
{
clib_memset (&pfx.fp_src_addr.ip4, 0, sizeof (pfx.fp_src_addr.ip4));
pfx.fp_proto = FIB_PROTOCOL_IP4;
pfx.fp_len = 32;
}
else if (unformat (line_input, "%U",
unformat_ip6_address, &pfx.fp_grp_addr.ip6))
{
clib_memset (&pfx.fp_src_addr.ip6, 0, sizeof (pfx.fp_src_addr.ip6));
pfx.fp_proto = FIB_PROTOCOL_IP6;
pfx.fp_len = 128;
}
else if (unformat (line_input, "via local Forward"))
{
clib_memset (&rpath.frp_addr, 0, sizeof (rpath.frp_addr));
rpath.frp_sw_if_index = ~0;
rpath.frp_weight = 1;
rpath.frp_flags |= FIB_ROUTE_PATH_LOCAL;
/*
* set the path proto appropriately for the prefix
*/
rpath.frp_proto = fib_proto_to_dpo (pfx.fp_proto);
rpath.frp_mitf_flags = MFIB_ITF_FLAG_FORWARD;
}
else if (unformat (line_input, "via %U",
unformat_fib_route_path, &rpath, &payload_proto))
{
vec_add1 (rpaths, rpath);
}
else if (unformat (line_input, "%U",
unformat_mfib_itf_flags, &rpath.frp_mitf_flags))
;
else if (unformat (line_input, "%U",
unformat_mfib_entry_flags, &eflags))
;
else
{
error = unformat_parse_error (line_input);
goto done;
}
}
if (~0 == table_id)
{
/*
* if no table_id is passed we will manipulate the default
*/
fib_index = 0;
}
else
{
fib_index = mfib_table_find (pfx.fp_proto, table_id);
if (~0 == fib_index)
{
error = clib_error_return (0, "Nonexistent table id %d", table_id);
goto done;
}
}
timet[0] = vlib_time_now (vm);
if (FIB_PROTOCOL_IP4 == pfx.fp_proto)
{
incr = 1 << (32 - (pfx.fp_len % 32));
}
else
{
incr = 1 << (128 - (pfx.fp_len % 128));
}
for (ss = 0; ss < scount; ss++)
{
for (gg = 0; gg < gcount; gg++)
{
if (is_del && 0 == vec_len (rpaths))
{
/* no path provided => route delete */
mfib_table_entry_delete (fib_index, &pfx, MFIB_SOURCE_CLI);
}
else if (eflags || (MFIB_RPF_ID_NONE != rpf_id))
{
mfib_table_entry_update (fib_index, &pfx, MFIB_SOURCE_CLI,
rpf_id, eflags);
}
else
{
if (is_del)
mfib_table_entry_path_remove (fib_index,
&pfx, MFIB_SOURCE_CLI, rpaths);
else
mfib_table_entry_path_update (fib_index,
&pfx, MFIB_SOURCE_CLI, rpaths);
}
if (FIB_PROTOCOL_IP4 == pfx.fp_proto)
{
pfx.fp_grp_addr.ip4.as_u32 =
clib_host_to_net_u32 (incr +
clib_net_to_host_u32 (pfx.
fp_grp_addr.ip4.
as_u32));
}
else
{
int bucket = (incr < 64 ? 0 : 1);
pfx.fp_grp_addr.ip6.as_u64[bucket] =
clib_host_to_net_u64 (incr +
clib_net_to_host_u64 (pfx.
fp_grp_addr.ip6.as_u64
[bucket]));
}
}
if (FIB_PROTOCOL_IP4 == pfx.fp_proto)
{
pfx.fp_src_addr.ip4.as_u32 =
clib_host_to_net_u32 (1 +
clib_net_to_host_u32 (pfx.fp_src_addr.
ip4.as_u32));
}
else
{
pfx.fp_src_addr.ip6.as_u64[1] =
clib_host_to_net_u64 (1 +
clib_net_to_host_u64 (pfx.fp_src_addr.
ip6.as_u64[1]));
}
}
timet[1] = vlib_time_now (vm);
if (scount > 1 || gcount > 1)
vlib_cli_output (vm, "%.6e routes/sec",
(scount * gcount) / (timet[1] - timet[0]));
done:
vec_free (rpaths);
unformat_free (line_input);
return error;
}
/*?
* This command is used to add or delete IPv4 or IPv6 multicastroutes. All
* IP Addresses ('<em><dst-ip-addr>/<width></em>',
* '<em><next-hop-ip-addr></em>' and '<em><adj-hop-ip-addr></em>')
* can be IPv4 or IPv6, but all must be of the same form in a single
* command. To display the current set of routes, use the commands
* '<em>show ip mfib</em>' and '<em>show ip6 mfib</em>'.
* The full set of support flags for interfaces and route is shown via;
* '<em>show mfib route flags</em>' and '<em>show mfib itf flags</em>'
* respectively.
* @cliexpar
* Example of how to add a forwarding interface to a route (and create the
* route if it does not exist)
* @cliexcmd{ip mroute add 232.1.1.1 via GigabitEthernet2/0/0 Forward}
* Example of how to add an accepting interface to a route (and create the
* route if it does not exist)
* @cliexcmd{ip mroute add 232.1.1.1 via GigabitEthernet2/0/1 Accept}
* Example of changing the route's flags to send signals via the API
* @cliexcmd{ip mroute add 232.1.1.1 Signal}
?*/
/* *INDENT-OFF* */
VLIB_CLI_COMMAND (ip_mroute_command, static) =
{
.path = "ip mroute",
.short_help = "ip mroute [add|del] <dst-ip-addr>/<width> [table <table-id>] [rpf-id <ID>] [via <next-hop-ip-addr> [<interface>],",
.function = vnet_ip_mroute_cmd,
.is_mp_safe = 1,
};
/* *INDENT-ON* */
/*
* The next two routines address a longstanding script hemorrhoid.
* Probing a v4 or v6 neighbor needs to appear to be synchronous,
* or dependent route-adds will simply fail.
*/
static clib_error_t *
ip6_probe_neighbor_wait (vlib_main_t * vm, ip6_address_t * a, u32 sw_if_index,
int retry_count)
{
vnet_main_t *vnm = vnet_get_main ();
clib_error_t *e;
int i;
int resolved = 0;
uword event_type;
uword *event_data = 0;
ASSERT (vlib_in_process_context (vm));
if (retry_count > 0)
vnet_register_ip6_neighbor_resolution_event
(vnm, a, vlib_get_current_process (vm)->node_runtime.node_index,
1 /* event */ , 0 /* data */ );
for (i = 0; i < retry_count; i++)
{
/* The interface may be down, etc. */
e = ip6_probe_neighbor (vm, a, sw_if_index, 0);
if (e)
return e;
vlib_process_wait_for_event_or_clock (vm, 1.0);
event_type = vlib_process_get_events (vm, &event_data);
switch (event_type)
{
case 1: /* resolved... */
vlib_cli_output (vm, "Resolved %U", format_ip6_address, a);
resolved = 1;
goto done;
case ~0: /* timeout */
break;
default:
clib_warning ("unknown event_type %d", event_type);
}
vec_reset_length (event_data);
}
done:
if (!resolved)
return clib_error_return (0, "Resolution failed for %U",
format_ip6_address, a);
return 0;
}
static clib_error_t *
ip4_probe_neighbor_wait (vlib_main_t * vm, ip4_address_t * a, u32 sw_if_index,
int retry_count)
{
vnet_main_t *vnm = vnet_get_main ();
clib_error_t *e;
int i;
int resolved = 0;
uword event_type;
uword *event_data = 0;
ASSERT (vlib_in_process_context (vm));
if (retry_count > 0)
vnet_register_ip4_arp_resolution_event
(vnm, a, vlib_get_current_process (vm)->node_runtime.node_index,
1 /* event */ , 0 /* data */ );
for (i = 0; i < retry_count; i++)
{
/* The interface may be down, etc. */
e = ip4_probe_neighbor (vm, a, sw_if_index, 0);
if (e)
return e;
vlib_process_wait_for_event_or_clock (vm, 1.0);
event_type = vlib_process_get_events (vm, &event_data);
switch (event_type)
{
case 1: /* resolved... */
vlib_cli_output (vm, "Resolved %U", format_ip4_address, a);
resolved = 1;
goto done;
case ~0: /* timeout */
break;
default:
clib_warning ("unknown event_type %d", event_type);
}
vec_reset_length (event_data);
}
done:
vec_reset_length (event_data);
if (!resolved)
return clib_error_return (0, "Resolution failed for %U",
format_ip4_address, a);
return 0;
}
static clib_error_t *
probe_neighbor_address (vlib_main_t * vm,
unformat_input_t * input, vlib_cli_command_t * cmd)
{
vnet_main_t *vnm = vnet_get_main ();
unformat_input_t _line_input, *line_input = &_line_input;
ip4_address_t a4;
ip6_address_t a6;
clib_error_t *error = 0;
u32 sw_if_index = ~0;
int retry_count = 3;
int is_ip4 = 1;
int address_set = 0;
/* Get a line of input. */
if (!unformat_user (input, unformat_line_input, line_input))
return 0;
while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
{
if (unformat_user (line_input, unformat_vnet_sw_interface, vnm,
&sw_if_index))
;
else if (unformat (line_input, "retry %d", &retry_count))
;
else if (unformat (line_input, "%U", unformat_ip4_address, &a4))
address_set++;
else if (unformat (line_input, "%U", unformat_ip6_address, &a6))
{
address_set++;
is_ip4 = 0;
}
else
{
error = clib_error_return (0, "unknown input '%U'",
format_unformat_error, line_input);
goto done;
}
}
if (sw_if_index == ~0)
{
error = clib_error_return (0, "Interface required, not set.");
goto done;
}
if (address_set == 0)
{
error = clib_error_return (0, "ip address required, not set.");
goto done;
}
if (address_set > 1)
{
error = clib_error_return (0, "Multiple ip addresses not supported.");
goto done;
}
if (is_ip4)
error = ip4_probe_neighbor_wait (vm, &a4, sw_if_index, retry_count);
else
error = ip6_probe_neighbor_wait (vm, &a6, sw_if_index, retry_count);
done:
unformat_free (line_input);
return error;
}
/*?
* The '<em>ip probe-neighbor</em>' command ARPs for IPv4 addresses or
* attempts IPv6 neighbor discovery depending on the supplied IP address
* format.
*
* @note This command will not immediately affect the indicated FIB; it
* is not suitable for use in establishing a FIB entry prior to adding
* recursive FIB entries. As in: don't use it in a script to probe a
* gateway prior to adding a default route. It won't work. Instead,
* configure a static ARP cache entry [see '<em>set ip arp</em>'], or
* a static IPv6 neighbor [see '<em>set ip6 neighbor</em>'].
*
* @cliexpar
* Example of probe for an IPv4 address:
* @cliexcmd{ip probe-neighbor GigabitEthernet2/0/0 172.16.1.2}
?*/
/* *INDENT-OFF* */
VLIB_CLI_COMMAND (ip_probe_neighbor_command, static) = {
.path = "ip probe-neighbor",
.function = probe_neighbor_address,
.short_help = "ip probe-neighbor <interface> <ip4-addr> | <ip6-addr> [retry nn]",
.is_mp_safe = 1,
};
/* *INDENT-ON* */
clib_error_t *
vnet_ip_container_proxy_add_del (vnet_ip_container_proxy_args_t * args)
{
u32 fib_index;
if (!vnet_sw_interface_is_api_valid (vnet_get_main (), args->sw_if_index))
return clib_error_return_code (0, VNET_API_ERROR_INVALID_INTERFACE, 0,
"invalid sw_if_index");
fib_index = fib_table_get_table_id_for_sw_if_index (args->prefix.fp_proto,
args->sw_if_index);
if (args->is_add)
{
dpo_id_t proxy_dpo = DPO_INVALID;
l3_proxy_dpo_add_or_lock (fib_proto_to_dpo (args->prefix.fp_proto),
args->sw_if_index, &proxy_dpo);
fib_table_entry_special_dpo_add (fib_index,
&args->prefix,
FIB_SOURCE_PROXY,
FIB_ENTRY_FLAG_EXCLUSIVE, &proxy_dpo);
dpo_reset (&proxy_dpo);
}
else
{
fib_table_entry_special_remove (fib_index, &args->prefix,
FIB_SOURCE_PROXY);
}
return 0;
}
u8
ip_container_proxy_is_set (fib_prefix_t * pfx, u32 sw_if_index)
{
u32 fib_index;
fib_node_index_t fei;
const dpo_id_t *dpo;
l3_proxy_dpo_t *l3p;
load_balance_t *lb0;
fib_index = fib_table_get_table_id_for_sw_if_index (pfx->fp_proto,
sw_if_index);
if (fib_index == ~0)
return 0;
fei = fib_table_lookup_exact_match (fib_index, pfx);
if (fei == FIB_NODE_INDEX_INVALID)
return 0;
dpo = fib_entry_contribute_ip_forwarding (fei);
lb0 = load_balance_get (dpo->dpoi_index);
dpo = load_balance_get_bucket_i (lb0, 0);
if (dpo->dpoi_type != DPO_L3_PROXY)
return 0;
l3p = l3_proxy_dpo_get (dpo->dpoi_index);
return (l3p->l3p_sw_if_index == sw_if_index);
}
typedef struct ip_container_proxy_walk_ctx_t_
{
ip_container_proxy_cb_t cb;
void *ctx;
} ip_container_proxy_walk_ctx_t;
static fib_table_walk_rc_t
ip_container_proxy_fib_table_walk (fib_node_index_t fei, void *arg)
{
ip_container_proxy_walk_ctx_t *ctx = arg;
const fib_prefix_t *pfx;
const dpo_id_t *dpo;
load_balance_t *lb;
l3_proxy_dpo_t *l3p;
pfx = fib_entry_get_prefix (fei);
if (fib_entry_is_sourced (fei, FIB_SOURCE_PROXY))
{
dpo = fib_entry_contribute_ip_forwarding (fei);
lb = load_balance_get (dpo->dpoi_index);
dpo = load_balance_get_bucket_i (lb, 0);
l3p = l3_proxy_dpo_get (dpo->dpoi_index);
ctx->cb (pfx, l3p->l3p_sw_if_index, ctx->ctx);
}
return FIB_TABLE_WALK_CONTINUE;
}
void
ip_container_proxy_walk (ip_container_proxy_cb_t cb, void *ctx)
{
fib_table_t *fib_table;
ip_container_proxy_walk_ctx_t wctx = {
.cb = cb,
.ctx = ctx,
};
/* *INDENT-OFF* */
pool_foreach (fib_table, ip4_main.fibs,
({
fib_table_walk(fib_table->ft_index,
FIB_PROTOCOL_IP4,
ip_container_proxy_fib_table_walk,
&wctx);
}));
pool_foreach (fib_table, ip6_main.fibs,
({
fib_table_walk(fib_table->ft_index,
FIB_PROTOCOL_IP6,
ip_container_proxy_fib_table_walk,
&wctx);
}));
/* *INDENT-ON* */
}
clib_error_t *
ip_container_cmd (vlib_main_t * vm,
unformat_input_t * main_input, vlib_cli_command_t * cmd)
{
unformat_input_t _line_input, *line_input = &_line_input;
fib_prefix_t pfx;
u32 is_del, addr_set = 0;
vnet_main_t *vnm;
u32 sw_if_index;
vnm = vnet_get_main ();
is_del = 0;
sw_if_index = ~0;
clib_memset (&pfx, 0, sizeof (pfx));
/* Get a line of input. */
if (!unformat_user (main_input, unformat_line_input, line_input))
return 0;
while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
{
if (unformat (line_input, "%U", unformat_ip4_address, &pfx.fp_addr.ip4))
{
pfx.fp_proto = FIB_PROTOCOL_IP4;
pfx.fp_len = 32;
addr_set = 1;
}
else if (unformat (line_input, "%U",
unformat_ip6_address, &pfx.fp_addr.ip6))
{
pfx.fp_proto = FIB_PROTOCOL_IP6;
pfx.fp_len = 128;
addr_set = 1;
}
else if (unformat (line_input, "%U",
unformat_vnet_sw_interface, vnm, &sw_if_index))
;
else if (unformat (line_input, "del"))
is_del = 1;
else
{
unformat_free (line_input);
return (clib_error_return (0, "unknown input '%U'",
format_unformat_error, line_input));
}
}
if (~0 == sw_if_index || !addr_set)
{
unformat_free (line_input);
vlib_cli_output (vm, "interface and address must be set");
return 0;
}
vnet_ip_container_proxy_args_t args = {
.prefix = pfx,
.sw_if_index = sw_if_index,
.is_add = !is_del,
};
vnet_ip_container_proxy_add_del (&args);
unformat_free (line_input);
return (NULL);
}
/* *INDENT-OFF* */
VLIB_CLI_COMMAND (ip_container_command_node, static) = {
.path = "ip container",
.function = ip_container_cmd,
.short_help = "ip container <address> <interface>",
.is_mp_safe = 1,
};
/* *INDENT-ON* */
clib_error_t *
show_ip_container_cmd_fn (vlib_main_t * vm, unformat_input_t * main_input,
vlib_cli_command_t * cmd)
{
unformat_input_t _line_input, *line_input = &_line_input;
vnet_main_t *vnm = vnet_get_main ();
fib_prefix_t pfx;
u32 sw_if_index = ~0;
u8 has_proxy;
if (!unformat_user (main_input, unformat_line_input, line_input))
return 0;
while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
{
if (unformat (line_input, "%U", unformat_ip4_address, &pfx.fp_addr.ip4))
{
pfx.fp_proto = FIB_PROTOCOL_IP4;
pfx.fp_len = 32;
}
else if (unformat (line_input, "%U",
unformat_ip6_address, &pfx.fp_addr.ip6))
{
pfx.fp_proto = FIB_PROTOCOL_IP6;
pfx.fp_len = 128;
}
else if (unformat (line_input, "%U",
unformat_vnet_sw_interface, vnm, &sw_if_index))
;
else
{
unformat_free (line_input);
return (clib_error_return (0, "unknown input '%U'",
format_unformat_error, line_input));
}
}
if (~0 == sw_if_index)
{
unformat_free (line_input);
vlib_cli_output (vm, "no interface");
return (clib_error_return (0, "no interface"));
}
has_proxy = ip_container_proxy_is_set (&pfx, sw_if_index);
vlib_cli_output (vm, "ip container proxy is: %s", has_proxy ? "on" : "off");
unformat_free (line_input);
return 0;
}
/* *INDENT-OFF* */
VLIB_CLI_COMMAND (show_ip_container_command, static) = {
.path = "show ip container",
.function = show_ip_container_cmd_fn,
.short_help = "show ip container <address> <interface>",
.is_mp_safe = 1,
};
/* *INDENT-ON* */
/*
* fd.io coding-style-patch-verification: ON
*
* Local Variables:
* eval: (c-set-style "gnu")
* End:
*/
