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/*
*------------------------------------------------------------------
* policer_api.c - policer 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/policer/policer.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 \
_(POLICER_ADD_DEL, policer_add_del) \
_(POLICER_DUMP, policer_dump)
static void
vl_api_policer_add_del_t_handler (vl_api_policer_add_del_t * mp)
{
vlib_main_t *vm = vlib_get_main ();
vl_api_policer_add_del_reply_t *rmp;
int rv = 0;
u8 *name = NULL;
qos_pol_cfg_params_st cfg;
clib_error_t *error;
u32 policer_index;
name = format (0, "%s", mp->name);
vec_terminate_c_string (name);
clib_memset (&cfg, 0, sizeof (cfg));
cfg.rfc = (qos_policer_type_en) mp->type;
cfg.rnd_type = (qos_round_type_en) mp->round_type;
cfg.rate_type = (qos_rate_type_en) mp->rate_type;
cfg.rb.kbps.cir_kbps = ntohl (mp->cir);
cfg.rb.kbps.eir_kbps = ntohl (mp->eir);
cfg.rb.kbps.cb_bytes = clib_net_to_host_u64 (mp->cb);
cfg.rb.kbps.eb_bytes = clib_net_to_host_u64 (mp->eb);
cfg.conform_action.action_type =
(qos_action_type_en) mp->conform_action.type;
cfg.conform_action.dscp = mp->conform_action.dscp;
cfg.exceed_action.action_type = (qos_action_type_en) mp->exceed_action.type;
cfg.exceed_action.dscp = mp->exceed_action.dscp;
cfg.violate_action.action_type =
(qos_action_type_en) mp->violate_action.type;
cfg.violate_action.dscp = mp->violate_action.dscp;
cfg.color_aware = mp->color_aware;
error = policer_add_del (vm, name, &cfg, &policer_index, mp->is_add);
if (error)
rv = VNET_API_ERROR_UNSPECIFIED;
/* *INDENT-OFF* */
REPLY_MACRO2(VL_API_POLICER_ADD_DEL_REPLY,
({
if (rv == 0 && mp->is_add)
rmp->policer_index = ntohl(policer_index);
else
rmp->policer_index = ~0;
}));
/* *INDENT-ON* */
}
static void
send_policer_details (u8 *name, qos_pol_cfg_params_st *config,
policer_read_response_type_st *templ,
vl_api_registration_t *reg, u32 context)
{
vl_api_policer_details_t *mp;
mp = vl_msg_api_alloc (sizeof (*mp));
clib_memset (mp, 0, sizeof (*mp));
mp->_vl_msg_id = ntohs (VL_API_POLICER_DETAILS);
mp->context = context;
mp->cir = htonl (config->rb.kbps.cir_kbps);
mp->eir = htonl (config->rb.kbps.eir_kbps);
mp->cb = clib_host_to_net_u64 (config->rb.kbps.cb_bytes);
mp->eb = clib_host_to_net_u64 (config->rb.kbps.eb_bytes);
mp->rate_type = (vl_api_sse2_qos_rate_type_t) config->rate_type;
mp->round_type = (vl_api_sse2_qos_round_type_t) config->rnd_type;
mp->type = (vl_api_sse2_qos_policer_type_t) config->rfc;
mp->conform_action.type =
(vl_api_sse2_qos_action_type_t) config->conform_action.action_type;
mp->conform_action.dscp = config->conform_action.dscp;
mp->exceed_action.type =
(vl_api_sse2_qos_action_type_t) config->exceed_action.action_type;
mp->exceed_action.dscp = config->exceed_action.dscp;
mp->violate_action.type =
(vl_api_sse2_qos_action_type_t) config->violate_action.action_type;
mp->violate_action.dscp = config->violate_action.dscp;
mp->single_rate = templ->single_rate ? 1 : 0;
mp->color_aware = templ->color_aware ? 1 : 0;
mp->scale = htonl (templ->scale);
mp->cir_tokens_per_period = htonl (templ->cir_tokens_per_period);
mp->pir_tokens_per_period = htonl (templ->pir_tokens_per_period);
mp->current_limit = htonl (templ->current_limit);
mp->current_bucket = htonl (templ->current_bucket);
mp->extended_limit = htonl (templ->extended_limit);
mp->extended_bucket = htonl (templ->extended_bucket);
mp->last_update_time = clib_host_to_net_u64 (templ->last_update_time);
strncpy ((char *) mp->name, (char *) name, ARRAY_LEN (mp->name) - 1);
vl_api_send_msg (reg, (u8 *) mp);
}
static void
vl_api_policer_dump_t_handler (vl_api_policer_dump_t * mp)
{
vl_api_registration_t *reg;
vnet_policer_main_t *pm = &vnet_policer_main;
hash_pair_t *hp;
uword *p;
u32 pool_index;
u8 *match_name = 0;
u8 *name;
qos_pol_cfg_params_st *config;
policer_read_response_type_st *templ;
reg = vl_api_client_index_to_registration (mp->client_index);
if (!reg)
return;
if (mp->match_name_valid)
{
match_name = format (0, "%s%c", mp->match_name, 0);
vec_terminate_c_string (match_name);
}
if (mp->match_name_valid)
{
p = hash_get_mem (pm->policer_config_by_name, match_name);
if (p)
{
pool_index = p[0];
config = pool_elt_at_index (pm->configs, pool_index);
templ = pool_elt_at_index (pm->policer_templates, pool_index);
send_policer_details (match_name, config, templ, reg, mp->context);
}
}
else
{
/* *INDENT-OFF* */
hash_foreach_pair (hp, pm->policer_config_by_name,
({
name = (u8 *) hp->key;
pool_index = hp->value[0];
config = pool_elt_at_index (pm->configs, pool_index);
templ = pool_elt_at_index (pm->policer_templates, pool_index);
send_policer_details(name, config, templ, reg, mp->context);
}));
/* *INDENT-ON* */
}
}
/*
* policer_api_hookup
* Add vpe's API message handlers to the table.
* vlib has already 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_policer;
#undef _
}
static clib_error_t *
policer_api_hookup (vlib_main_t * vm)
{
api_main_t *am = vlibapi_get_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 (policer_api_hookup);
/*
* fd.io coding-style-patch-verification: ON
*
* Local Variables:
* eval: (c-set-style "gnu")
* End:
*/
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