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/*
*------------------------------------------------------------------
* dpdk_api.c - dpdk interface 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>
#if DPDK > 0
#include <vnet/devices/dpdk/dpdk.h>
#endif
#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 \
_(SW_INTERFACE_SET_DPDK_HQOS_PIPE, sw_interface_set_dpdk_hqos_pipe) \
_(SW_INTERFACE_SET_DPDK_HQOS_SUBPORT, sw_interface_set_dpdk_hqos_subport) \
_(SW_INTERFACE_SET_DPDK_HQOS_TCTBL, sw_interface_set_dpdk_hqos_tctbl)
static void
vl_api_sw_interface_set_dpdk_hqos_pipe_t_handler
(vl_api_sw_interface_set_dpdk_hqos_pipe_t * mp)
{
vl_api_sw_interface_set_dpdk_hqos_pipe_reply_t *rmp;
int rv = 0;
#if DPDK > 0
dpdk_main_t *dm = &dpdk_main;
dpdk_device_t *xd;
u32 sw_if_index = ntohl (mp->sw_if_index);
u32 subport = ntohl (mp->subport);
u32 pipe = ntohl (mp->pipe);
u32 profile = ntohl (mp->profile);
vnet_hw_interface_t *hw;
VALIDATE_SW_IF_INDEX (mp);
/* hw_if & dpdk device */
hw = vnet_get_sup_hw_interface (dm->vnet_main, sw_if_index);
xd = vec_elt_at_index (dm->devices, hw->dev_instance);
rv = rte_sched_pipe_config (xd->hqos_ht->hqos, subport, pipe, profile);
BAD_SW_IF_INDEX_LABEL;
#else
clib_warning ("setting HQoS pipe parameters without DPDK not implemented");
rv = VNET_API_ERROR_UNIMPLEMENTED;
#endif /* DPDK */
REPLY_MACRO (VL_API_SW_INTERFACE_SET_DPDK_HQOS_PIPE_REPLY);
}
static void
vl_api_sw_interface_set_dpdk_hqos_subport_t_handler
(vl_api_sw_interface_set_dpdk_hqos_subport_t * mp)
{
vl_api_sw_interface_set_dpdk_hqos_subport_reply_t *rmp;
int rv = 0;
#if DPDK > 0
dpdk_main_t *dm = &dpdk_main;
dpdk_device_t *xd;
struct rte_sched_subport_params p;
u32 sw_if_index = ntohl (mp->sw_if_index);
u32 subport = ntohl (mp->subport);
p.tb_rate = ntohl (mp->tb_rate);
p.tb_size = ntohl (mp->tb_size);
p.tc_rate[0] = ntohl (mp->tc_rate[0]);
p.tc_rate[1] = ntohl (mp->tc_rate[1]);
p.tc_rate[2] = ntohl (mp->tc_rate[2]);
p.tc_rate[3] = ntohl (mp->tc_rate[3]);
p.tc_period = ntohl (mp->tc_period);
vnet_hw_interface_t *hw;
VALIDATE_SW_IF_INDEX (mp);
/* hw_if & dpdk device */
hw = vnet_get_sup_hw_interface (dm->vnet_main, sw_if_index);
xd = vec_elt_at_index (dm->devices, hw->dev_instance);
rv = rte_sched_subport_config (xd->hqos_ht->hqos, subport, &p);
BAD_SW_IF_INDEX_LABEL;
#else
clib_warning
("setting HQoS subport parameters without DPDK not implemented");
rv = VNET_API_ERROR_UNIMPLEMENTED;
#endif /* DPDK */
REPLY_MACRO (VL_API_SW_INTERFACE_SET_DPDK_HQOS_SUBPORT_REPLY);
}
static void
vl_api_sw_interface_set_dpdk_hqos_tctbl_t_handler
(vl_api_sw_interface_set_dpdk_hqos_tctbl_t * mp)
{
vl_api_sw_interface_set_dpdk_hqos_tctbl_reply_t *rmp;
int rv = 0;
#if DPDK > 0
dpdk_main_t *dm = &dpdk_main;
vlib_thread_main_t *tm = vlib_get_thread_main ();
dpdk_device_t *xd;
u32 sw_if_index = ntohl (mp->sw_if_index);
u32 entry = ntohl (mp->entry);
u32 tc = ntohl (mp->tc);
u32 queue = ntohl (mp->queue);
u32 val, i;
vnet_hw_interface_t *hw;
VALIDATE_SW_IF_INDEX (mp);
/* hw_if & dpdk device */
hw = vnet_get_sup_hw_interface (dm->vnet_main, sw_if_index);
xd = vec_elt_at_index (dm->devices, hw->dev_instance);
if (tc >= RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE)
{
clib_warning ("invalid traffic class !!");
rv = VNET_API_ERROR_INVALID_VALUE;
goto done;
}
if (queue >= RTE_SCHED_QUEUES_PER_TRAFFIC_CLASS)
{
clib_warning ("invalid queue !!");
rv = VNET_API_ERROR_INVALID_VALUE;
goto done;
}
/* Detect the set of worker threads */
uword *p = hash_get_mem (tm->thread_registrations_by_name, "workers");
if (p == 0)
{
clib_warning ("worker thread registration AWOL !!");
rv = VNET_API_ERROR_INVALID_VALUE_2;
goto done;
}
vlib_thread_registration_t *tr = (vlib_thread_registration_t *) p[0];
int worker_thread_first = tr->first_index;
int worker_thread_count = tr->count;
val = tc * RTE_SCHED_QUEUES_PER_TRAFFIC_CLASS + queue;
for (i = 0; i < worker_thread_count; i++)
xd->hqos_wt[worker_thread_first + i].hqos_tc_table[entry] = val;
BAD_SW_IF_INDEX_LABEL;
done:
#else
clib_warning ("setting HQoS DSCP table entry without DPDK not implemented");
rv = VNET_API_ERROR_UNIMPLEMENTED;
#endif /* DPDK */
REPLY_MACRO (VL_API_SW_INTERFACE_SET_DPDK_HQOS_TCTBL_REPLY);
}
/*
* dpdk_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_dpdk;
#undef _
}
static clib_error_t *
dpdk_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 (dpdk_api_hookup);
/*
* fd.io coding-style-patch-verification: ON
*
* Local Variables:
* eval: (c-set-style "gnu")
* End:
*/
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