/*
* 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.
*/
#ifndef __IP6_FIB_H__
#define __IP6_FIB_H__
#include <vlib/vlib.h>
#include <vnet/ip/format.h>
#include <vnet/fib/fib_entry.h>
#include <vnet/fib/fib_table.h>
#include <vnet/ip/lookup.h>
#include <vnet/dpo/load_balance.h>
extern fib_node_index_t ip6_fib_table_lookup(u32 fib_index,
const ip6_address_t *addr,
u32 len);
extern fib_node_index_t ip6_fib_table_lookup_exact_match(u32 fib_index,
const ip6_address_t *addr,
u32 len);
extern void ip6_fib_table_entry_remove(u32 fib_index,
const ip6_address_t *addr,
u32 len);
extern void ip6_fib_table_entry_insert(u32 fib_index,
const ip6_address_t *addr,
u32 len,
fib_node_index_t fib_entry_index);
extern void ip6_fib_table_destroy(u32 fib_index);
extern void ip6_fib_table_fwding_dpo_update(u32 fib_index,
const ip6_address_t *addr,
u32 len,
const dpo_id_t *dpo);
extern void ip6_fib_table_fwding_dpo_remove(u32 fib_index,
const ip6_address_t *addr,
u32 len,
const dpo_id_t *dpo);
u32 ip6_fib_table_fwding_lookup_with_if_index(
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/*
*------------------------------------------------------------------
* classify_api.c - classify api
*
* 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/vnet.h>
#include <vlibmemory/api.h>
#include <vnet/interface.h>
#include <vnet/api_errno.h>
#include <vnet/classify/vnet_classify.h>
#include <vnet/classify/input_acl.h>
#include <vnet/classify/policer_classify.h>
#include <vnet/classify/flow_classify.h>
#include <vnet/vnet_msg_enum.h>
#define vl_typedefs /* define message structures */
#include <vnet/vnet_all_api_h.h>
#undef vl_typedefs
#define vl_endianfun /* define message structures */
#include <vnet/vnet_all_api_h.h>
#undef vl_endianfun
/* instantiate all the print functions we know about */
#define vl_print(handle, ...) vlib_cli_output (handle, __VA_ARGS__)
#define vl_printfun
#include <vnet/vnet_all_api_h.h>
#undef vl_printfun
#include <vlibapi/api_helper_macros.h>
#define foreach_vpe_api_msg \
_(CLASSIFY_ADD_DEL_TABLE, classify_add_del_table) \
_(CLASSIFY_ADD_DEL_SESSION, classify_add_del_session) \
_(CLASSIFY_TABLE_IDS,classify_table_ids) \
_(CLASSIFY_TABLE_BY_INTERFACE, classify_table_by_interface) \
_(CLASSIFY_TABLE_INFO,classify_table_info) \
_(CLASSIFY_SESSION_DUMP,classify_session_dump) \
_(POLICER_CLASSIFY_SET_INTERFACE, policer_classify_set_interface) \
_(POLICER_CLASSIFY_DUMP, policer_classify_dump) \
_(FLOW_CLASSIFY_SET_INTERFACE, flow_classify_set_interface) \
_(FLOW_CLASSIFY_DUMP, flow_classify_dump)
#define foreach_classify_add_del_table_field \
_(table_index) \
_(nbuckets) \
_(memory_size) \
_(skip_n_vectors) \
_(match_n_vectors) \
_(next_table_index) \
_(miss_next_index) \
_(current_data_flag) \
_(current_data_offset)
static void vl_api_classify_add_del_table_t_handler
(vl_api_classify_add_del_table_t * mp)
{
vl_api_classify_add_del_table_reply_t *rmp;
vnet_classify_main_t *cm = &vnet_classify_main;
vnet_classify_table_t *t;
int rv;
#define _(a) u32 a;
foreach_classify_add_del_table_field;
#undef _
#define _(a) a = ntohl(mp->a);
foreach_classify_add_del_table_field;
#undef _
/* The underlying API fails silently, on purpose, so check here */
if (mp->is_add == 0) /* delete */
{
if (pool_is_free_index (cm->tables, table_index))
{
rv = VNET_API_ERROR_NO_SUCH_TABLE;
goto out;
}
}
else /* add or update */
{
if (table_index != ~0 && pool_is_free_index (cm->tables, table_index))
table_index = ~0;
}
rv = vnet_classify_add_del_table
(cm, mp->mask, nbuckets, memory_size,
skip_n_vectors, match_n_vectors,
next_table_index, miss_next_index, &table_index,
current_data_flag, current_data_offset, mp->is_add, mp->del_chain);
out:
/* *INDENT-OFF* */
REPLY_MACRO2(VL_API_CLASSIFY_ADD_DEL_TABLE_REPLY,
({
if (rv == 0 && mp->is_add)
{
t = pool_elt_at_index (cm->tables, table_index);
rmp->skip_n_vectors = ntohl(t->skip_n_vectors);
rmp->match_n_vectors = ntohl(t->match_n_vectors);
rmp->new_table_index = ntohl(table_index);
}
else
{
rmp->skip_n_vectors = ~0;
rmp->match_n_vectors = ~0;
rmp->new_table_index = ~0;
}
}));
/* *INDENT-ON* */
}
static void vl_api_classify_add_del_session_t_handler
(vl_api_classify_add_del_session_t * mp)
{
vnet_classify_main_t *cm = &vnet_classify_main;
vl_api_classify_add_del_session_reply_t *rmp;
int rv;
u32 table_index, hit_next_index, opaque_index, metadata;
i32 advance;
u8 action;
table_index = ntohl (mp->table_index);
hit_next_index = ntohl (mp->hit_next_index);
opaque_index = ntohl (mp->opaque_index);
advance = ntohl (mp->advance);
action = mp->action;
metadata = ntohl (mp->metadata);
rv = vnet_classify_add_del_session
(cm, table_index, mp->match, hit_next_index, opaque_index,
advance, action, metadata, mp->is_add);
REPLY_MACRO (VL_API_CLASSIFY_ADD_DEL_SESSION_REPLY);
}
static void
vl_api_policer_classify_set_interface_t_handler
(vl_api_policer_classify_set_interface_t * mp)
{
vlib_main_t *vm = vlib_get_main ();
vl_api_policer_classify_set_interface_reply_t *rmp;
int rv;
u32 sw_if_index, ip4_table_index, ip6_table_index, l2_table_index;
ip4_table_index = ntohl (mp->ip4_table_index);
ip6_table_index = ntohl (mp->ip6_table_index);
l2_table_index = ntohl (mp->l2_table_index);
sw_if_index = ntohl (mp->sw_if_index);
VALIDATE_SW_IF_INDEX (mp);
rv = vnet_set_policer_classify_intfc (vm, sw_if_index, ip4_table_index,
ip6_table_index, l2_table_index,
mp->is_add);
BAD_SW_IF_INDEX_LABEL;
REPLY_MACRO (VL_API_POLICER_CLASSIFY_SET_INTERFACE_REPLY);
}
static void
send_policer_classify_details (u32 sw_if_index,
u32 table_index,
unix_shared_memory_queue_t * q, u32 context)
{
vl_api_policer_classify_details_t *mp;
mp = vl_msg_api_alloc (sizeof (*mp));
memset (mp, 0, sizeof (*mp));
mp->_vl_msg_id = ntohs (VL_API_POLICER_CLASSIFY_DETAILS);
mp->context = context;
mp->sw_if_index = htonl (sw_if_index);
mp->table_index = htonl (table_index);
vl_msg_api_send_shmem (q, (u8 *) & mp);
}
static void
vl_api_policer_classify_dump_t_handler (vl_api_policer_classify_dump_t * mp)
{
unix_shared_memory_queue_t *q;
policer_classify_main_t *pcm = &policer_classify_main;
u32 *vec_tbl;
int i;
q = vl_api_client_index_to_input_queue (mp->client_index);
if (q == 0)
return;
vec_tbl = pcm->classify_table_index_by_sw_if_index[mp->type];
if (vec_len (vec_tbl))
{
for (i = 0; i < vec_len (vec_tbl); i++)
{
if (vec_elt (vec_tbl, i) == ~0)
continue;
send_policer_classify_details (i, vec_elt (vec_tbl, i), q,
mp->context);
}
}
}
static void
vl_api_classify_table_ids_t_handler (vl_api_classify_table_ids_t * mp)
{
unix_shared_memory_queue_t *q;
q = vl_api_client_index_to_input_queue (mp->client_index);
if (q == 0)
return;
vnet_classify_main_t *cm = &vnet_classify_main;
vnet_classify_table_t *t;
u32 *table_ids = 0;
u32 count;
/* *INDENT-OFF* */
pool_foreach (t, cm->tables,
({
vec_add1 (table_ids, ntohl(t - cm->tables));
}));
/* *INDENT-ON* */
count = vec_len (table_ids);
vl_api_classify_table_ids_reply_t *rmp;
rmp = vl_msg_api_alloc_as_if_client (sizeof (*rmp) + count * sizeof (u32));
rmp->_vl_msg_id = ntohs (VL_API_CLASSIFY_TABLE_IDS_REPLY);
rmp->context = mp->context;
rmp->count = ntohl (count);
clib_memcpy (rmp->ids, table_ids, count * sizeof (u32));
rmp->retval = 0;
vl_msg_api_send_shmem (q, (u8 *) & rmp);
vec_free (table_ids);
}
static void
vl_api_classify_table_by_interface_t_handler
(vl_api_classify_table_by_interface_t * mp)
{
vl_api_classify_table_by_interface_reply_t *rmp;
int rv = 0;
u32 sw_if_index = ntohl (mp->sw_if_index);
u32 *acl = 0;
vec_validate (acl, INPUT_ACL_N_TABLES - 1);
vec_set (acl, ~0);
VALIDATE_SW_IF_INDEX (mp);
input_acl_main_t *am = &input_acl_main;
int if_idx;
u32 type;
for (type = 0; type < INPUT_ACL_N_TABLES; type++)
{
u32 *vec_tbl = am->classify_table_index_by_sw_if_index[type];
if (vec_len (vec_tbl))
{
for (if_idx = 0; if_idx < vec_len (vec_tbl); if_idx++)
{
if (vec_elt (vec_tbl, if_idx) == ~0 || sw_if_index != if_idx)
{
continue;
}
acl[type] = vec_elt (vec_tbl, if_idx);
}
}
}
BAD_SW_IF_INDEX_LABEL;
/* *INDENT-OFF* */
REPLY_MACRO2(VL_API_CLASSIFY_TABLE_BY_INTERFACE_REPLY,
({
rmp->sw_if_index = ntohl(sw_if_index);
rmp->l2_table_id = ntohl(acl[INPUT_ACL_TABLE_L2]);
rmp->ip4_table_id = ntohl(acl[INPUT_ACL_TABLE_IP4]);
rmp->ip6_table_id = ntohl(acl[INPUT_ACL_TABLE_IP6]);
}));
/* *INDENT-ON* */
vec_free (acl);
}
static void
vl_api_classify_table_info_t_handler (vl_api_classify_table_info_t * mp)
{
unix_shared_memory_queue_t *q;
q = vl_api_client_index_to_input_queue (mp->client_index);
if (q == 0)
return;
vl_api_classify_table_info_reply_t *rmp = 0;
vnet_classify_main_t *cm = &vnet_classify_main;
u32 table_id = ntohl (mp->table_id);
vnet_classify_table_t *t;
/* *INDENT-OFF* */
pool_foreach (t, cm->tables,
({
if (table_id == t - cm->tables)
{
rmp = vl_msg_api_alloc_as_if_client
(sizeof (*rmp) + t->match_n_vectors * sizeof (u32x4));
rmp->_vl_msg_id = ntohs (VL_API_CLASSIFY_TABLE_INFO_REPLY);
rmp->context = mp->context;
rmp->table_id = ntohl(table_id);
rmp->nbuckets = ntohl(t->nbuckets);
rmp->match_n_vectors = ntohl(t->match_n_vectors);
rmp->skip_n_vectors = ntohl(t->skip_n_vectors);
rmp->active_sessions = ntohl(t->active_elements);
rmp->next_table_index = ntohl(t->next_table_index);
rmp->miss_next_index = ntohl(t->miss_next_index);
rmp->mask_length = ntohl(t->match_n_vectors * sizeof (u32x4));
clib_memcpy(rmp->mask, t->mask, t->match_n_vectors * sizeof(u32x4));
rmp->retval = 0;
break;
}
}));
/* *INDENT-ON* */
if (rmp == 0)
{
rmp = vl_msg_api_alloc (sizeof (*rmp));
rmp->_vl_msg_id = ntohs ((VL_API_CLASSIFY_TABLE_INFO_REPLY));
rmp->context = mp->context;
rmp->retval = ntohl (VNET_API_ERROR_CLASSIFY_TABLE_NOT_FOUND);
}
vl_msg_api_send_shmem (q, (u8 *) & rmp);
}
static void
send_classify_session_details (unix_shared_memory_queue_t * q,
u32 table_id,
u32 match_length,
vnet_classify_entry_t * e, u32 context)
{
vl_api_classify_session_details_t *rmp;
rmp = vl_msg_api_alloc (sizeof (*rmp));
memset (rmp, 0, sizeof (*rmp));
rmp->_vl_msg_id = ntohs (VL_API_CLASSIFY_SESSION_DETAILS);
rmp->context = context;
rmp->table_id = ntohl (table_id);
rmp->hit_next_index = ntohl (e->next_index);
rmp->advance = ntohl (e->advance);
rmp->opaque_index = ntohl (e->opaque_index);
rmp->match_length = ntohl (match_length);
clib_memcpy (rmp->match, e->key, match_length);
vl_msg_api_send_shmem (q, (u8 *) & rmp);
}
static void
vl_api_classify_session_dump_t_handler (vl_api_classify_session_dump_t * mp)
{
vnet_classify_main_t *cm = &vnet_classify_main;
unix_shared_memory_queue_t *q;
u32 table_id = ntohl (mp->table_id);
vnet_classify_table_t *t;
q = vl_api_client_index_to_input_queue (mp->client_index);
if (!q)
return;
/* *INDENT-OFF* */
pool_foreach (t, cm->tables,
({
if (table_id == t - cm->tables)
{
vnet_classify_bucket_t * b;
vnet_classify_entry_t * v, * save_v;
int i, j, k;
for (i = 0; i < t->nbuckets; i++)
{
b = &t->buckets [i];
if (b->offset == 0)
continue;
save_v = vnet_classify_get_entry (t, b->offset);
for (j = 0; j < (1<<b->log2_pages); j++)
{
for (k = 0; k < t->entries_per_page; k++)
{
v = vnet_classify_entry_at_index
(t, save_v, j*t->entries_per_page + k);
if (vnet_classify_entry_is_free (v))
continue;
send_classify_session_details
(q, table_id, t->match_n_vectors * sizeof (u32x4),
v, mp->context);
}
}
}
break;
}
}));
/* *INDENT-ON* */
}
static void
vl_api_flow_classify_set_interface_t_handler
(vl_api_flow_classify_set_interface_t * mp)
{
vlib_main_t *vm = vlib_get_main ();
vl_api_flow_classify_set_interface_reply_t *rmp;
int rv;
u32 sw_if_index, ip4_table_index, ip6_table_index;
ip4_table_index = ntohl (mp->ip4_table_index);
ip6_table_index = ntohl (mp->ip6_table_index);
sw_if_index = ntohl (mp->sw_if_index);
VALIDATE_SW_IF_INDEX (mp);
rv = vnet_set_flow_classify_intfc (vm, sw_if_index, ip4_table_index,
ip6_table_index, mp->is_add);
BAD_SW_IF_INDEX_LABEL;
REPLY_MACRO (VL_API_FLOW_CLASSIFY_SET_INTERFACE_REPLY);
}
static void
send_flow_classify_details (u32 sw_if_index,
u32 table_index,
unix_shared_memory_queue_t * q, u32 context)
{
vl_api_flow_classify_details_t *mp;
mp = vl_msg_api_alloc (sizeof (*mp));
memset (mp, 0, sizeof (*mp));
mp->_vl_msg_id = ntohs (VL_API_FLOW_CLASSIFY_DETAILS);
mp->context = context;
mp->sw_if_index = htonl (sw_if_index);
mp->table_index = htonl (table_index);
vl_msg_api_send_shmem (q, (u8 *) & mp);
}
static void
vl_api_flow_classify_dump_t_handler (vl_api_flow_classify_dump_t * mp)
{
unix_shared_memory_queue_t *q;
flow_classify_main_t *pcm = &flow_classify_main;
u32 *vec_tbl;
int i;
q = vl_api_client_index_to_input_queue (mp->client_index);
if (q == 0)
return;
vec_tbl = pcm->classify_table_index_by_sw_if_index[mp->type];
if (vec_len (vec_tbl))
{
for (i = 0; i < vec_len (vec_tbl); i++)
{
if (vec_elt (vec_tbl, i) == ~0)
continue;
send_flow_classify_details (i, vec_elt (vec_tbl, i), q,
mp->context);
}
}
}
/*
* classify_api_hookup
* Add vpe's API message handlers to the table.
* vlib has alread mapped shared memory and
* added the client registration handlers.
* See .../vlib-api/vlibmemory/memclnt_vlib.c:memclnt_process()
*/
#define vl_msg_name_crc_list
#include <vnet/vnet_all_api_h.h>
#undef vl_msg_name_crc_list
static void
setup_message_id_table (api_main_t * am)
{
#define _(id,n,crc) vl_msg_api_add_msg_name_crc (am, #n "_" #crc, id);
foreach_vl_msg_name_crc_classify;
#undef _
}
static clib_error_t *
classify_api_hookup (vlib_main_t * vm)
{
api_main_t *am = &api_main;
#define _(N,n) \
vl_msg_api_set_handlers(VL_API_##N, #n, \
vl_api_##n##_t_handler, \
vl_noop_handler, \
vl_api_##n##_t_endian, \
vl_api_##n##_t_print, \
sizeof(vl_api_##n##_t), 1);
foreach_vpe_api_msg;
#undef _
/*
* Set up the (msg_name, crc, message-id) table
*/
setup_message_id_table (am);
return 0;
}
VLIB_API_INIT_FUNCTION (classify_api_hookup);
/*
* fd.io coding-style-patch-verification: ON
*
* Local Variables:
* eval: (c-set-style "gnu")
* End:
*/
