DPDK  19.11.10
examples/l2fwd-event/l2fwd_event_internal_port.c
/* SPDX-License-Identifier: BSD-3-Clause
* Copyright(C) 2019 Marvell International Ltd.
*/
#include <stdbool.h>
#include <getopt.h>
#include <rte_cycles.h>
#include <rte_ethdev.h>
#include <rte_eventdev.h>
#include <rte_lcore.h>
#include <rte_spinlock.h>
#include "l2fwd_common.h"
#include "l2fwd_event.h"
static uint32_t
l2fwd_event_device_setup_internal_port(struct l2fwd_resources *rsrc)
{
struct l2fwd_event_resources *evt_rsrc = rsrc->evt_rsrc;
struct rte_event_dev_config event_d_conf = {
.nb_events_limit = 4096,
.nb_event_queue_flows = 1024,
.nb_event_port_dequeue_depth = 128,
.nb_event_port_enqueue_depth = 128
};
struct rte_event_dev_info dev_info;
const uint8_t event_d_id = 0; /* Always use first event device only */
uint32_t event_queue_cfg = 0;
uint16_t ethdev_count = 0;
uint16_t num_workers = 0;
uint16_t port_id;
int ret;
if ((rsrc->enabled_port_mask & (1 << port_id)) == 0)
continue;
ethdev_count++;
}
/* Event device configurtion */
rte_event_dev_info_get(event_d_id, &dev_info);
/* Enable implicit release */
evt_rsrc->disable_implicit_release = 0;
event_queue_cfg |= RTE_EVENT_QUEUE_CFG_ALL_TYPES;
event_d_conf.nb_event_queues = ethdev_count;
if (dev_info.max_event_queues < event_d_conf.nb_event_queues)
event_d_conf.nb_event_queues = dev_info.max_event_queues;
if (dev_info.max_num_events < event_d_conf.nb_events_limit)
event_d_conf.nb_events_limit = dev_info.max_num_events;
if (dev_info.max_event_queue_flows < event_d_conf.nb_event_queue_flows)
event_d_conf.nb_event_queue_flows =
/* Ignore Master core. */
num_workers = rte_lcore_count() - 1;
if (dev_info.max_event_ports < num_workers)
num_workers = dev_info.max_event_ports;
event_d_conf.nb_event_ports = num_workers;
evt_rsrc->evp.nb_ports = num_workers;
evt_rsrc->evq.nb_queues = event_d_conf.nb_event_queues;
evt_rsrc->has_burst = !!(dev_info.event_dev_cap &
ret = rte_event_dev_configure(event_d_id, &event_d_conf);
if (ret < 0)
rte_panic("Error in configuring event device\n");
evt_rsrc->event_d_id = event_d_id;
return event_queue_cfg;
}
static void
l2fwd_event_port_setup_internal_port(struct l2fwd_resources *rsrc)
{
struct l2fwd_event_resources *evt_rsrc = rsrc->evt_rsrc;
uint8_t event_d_id = evt_rsrc->event_d_id;
struct rte_event_port_conf event_p_conf = {
.enqueue_depth = 32,
.new_event_threshold = 4096
};
struct rte_event_port_conf def_p_conf;
uint8_t event_p_id;
int32_t ret;
evt_rsrc->evp.event_p_id = (uint8_t *)malloc(sizeof(uint8_t) *
evt_rsrc->evp.nb_ports);
if (!evt_rsrc->evp.event_p_id)
rte_panic("Failed to allocate memory for Event Ports\n");
ret = rte_event_port_default_conf_get(event_d_id, 0, &def_p_conf);
if (ret < 0)
rte_panic("Error to get default configuration of event port\n");
if (def_p_conf.new_event_threshold < event_p_conf.new_event_threshold)
event_p_conf.new_event_threshold =
def_p_conf.new_event_threshold;
if (def_p_conf.dequeue_depth < event_p_conf.dequeue_depth)
event_p_conf.dequeue_depth = def_p_conf.dequeue_depth;
if (def_p_conf.enqueue_depth < event_p_conf.enqueue_depth)
event_p_conf.enqueue_depth = def_p_conf.enqueue_depth;
event_p_conf.disable_implicit_release =
evt_rsrc->disable_implicit_release;
for (event_p_id = 0; event_p_id < evt_rsrc->evp.nb_ports;
event_p_id++) {
ret = rte_event_port_setup(event_d_id, event_p_id,
&event_p_conf);
if (ret < 0)
rte_panic("Error in configuring event port %d\n",
event_p_id);
ret = rte_event_port_link(event_d_id, event_p_id, NULL,
NULL, 0);
if (ret < 0)
rte_panic("Error in linking event port %d to queue\n",
event_p_id);
evt_rsrc->evp.event_p_id[event_p_id] = event_p_id;
/* init spinlock */
rte_spinlock_init(&evt_rsrc->evp.lock);
}
evt_rsrc->def_p_conf = event_p_conf;
}
static void
l2fwd_event_queue_setup_internal_port(struct l2fwd_resources *rsrc,
uint32_t event_queue_cfg)
{
struct l2fwd_event_resources *evt_rsrc = rsrc->evt_rsrc;
uint8_t event_d_id = evt_rsrc->event_d_id;
struct rte_event_queue_conf event_q_conf = {
.nb_atomic_flows = 1024,
.nb_atomic_order_sequences = 1024,
.event_queue_cfg = event_queue_cfg,
};
struct rte_event_queue_conf def_q_conf;
uint8_t event_q_id = 0;
int32_t ret;
ret = rte_event_queue_default_conf_get(event_d_id, event_q_id,
&def_q_conf);
if (ret < 0)
rte_panic("Error to get default config of event queue\n");
if (def_q_conf.nb_atomic_flows < event_q_conf.nb_atomic_flows)
event_q_conf.nb_atomic_flows = def_q_conf.nb_atomic_flows;
if (def_q_conf.nb_atomic_order_sequences <
event_q_conf.schedule_type = rsrc->sched_type;
evt_rsrc->evq.event_q_id = (uint8_t *)malloc(sizeof(uint8_t) *
evt_rsrc->evq.nb_queues);
if (!evt_rsrc->evq.event_q_id)
rte_panic("Memory allocation failure\n");
for (event_q_id = 0; event_q_id < evt_rsrc->evq.nb_queues;
event_q_id++) {
ret = rte_event_queue_setup(event_d_id, event_q_id,
&event_q_conf);
if (ret < 0)
rte_panic("Error in configuring event queue\n");
evt_rsrc->evq.event_q_id[event_q_id] = event_q_id;
}
}
static void
l2fwd_rx_tx_adapter_setup_internal_port(struct l2fwd_resources *rsrc)
{
struct l2fwd_event_resources *evt_rsrc = rsrc->evt_rsrc;
uint8_t event_d_id = evt_rsrc->event_d_id;
uint16_t adapter_id = 0;
uint16_t nb_adapter = 0;
uint16_t port_id;
uint8_t q_id = 0;
int ret;
memset(&eth_q_conf, 0, sizeof(eth_q_conf));
if ((rsrc->enabled_port_mask & (1 << port_id)) == 0)
continue;
nb_adapter++;
}
evt_rsrc->rx_adptr.nb_rx_adptr = nb_adapter;
evt_rsrc->rx_adptr.rx_adptr = (uint8_t *)malloc(sizeof(uint8_t) *
evt_rsrc->rx_adptr.nb_rx_adptr);
if (!evt_rsrc->rx_adptr.rx_adptr) {
free(evt_rsrc->evp.event_p_id);
free(evt_rsrc->evq.event_q_id);
rte_panic("Failed to allocate memery for Rx adapter\n");
}
if ((rsrc->enabled_port_mask & (1 << port_id)) == 0)
continue;
ret = rte_event_eth_rx_adapter_create(adapter_id, event_d_id,
&evt_rsrc->def_p_conf);
if (ret)
rte_panic("Failed to create rx adapter[%d]\n",
adapter_id);
/* Configure user requested sched type*/
eth_q_conf.ev.sched_type = rsrc->sched_type;
eth_q_conf.ev.queue_id = evt_rsrc->evq.event_q_id[q_id];
ret = rte_event_eth_rx_adapter_queue_add(adapter_id, port_id,
-1, &eth_q_conf);
if (ret)
rte_panic("Failed to add queues to Rx adapter\n");
ret = rte_event_eth_rx_adapter_start(adapter_id);
if (ret)
rte_panic("Rx adapter[%d] start Failed\n", adapter_id);
evt_rsrc->rx_adptr.rx_adptr[adapter_id] = adapter_id;
adapter_id++;
if (q_id < evt_rsrc->evq.nb_queues)
q_id++;
}
evt_rsrc->tx_adptr.nb_tx_adptr = nb_adapter;
evt_rsrc->tx_adptr.tx_adptr = (uint8_t *)malloc(sizeof(uint8_t) *
evt_rsrc->tx_adptr.nb_tx_adptr);
if (!evt_rsrc->tx_adptr.tx_adptr) {
free(evt_rsrc->rx_adptr.rx_adptr);
free(evt_rsrc->evp.event_p_id);
free(evt_rsrc->evq.event_q_id);
rte_panic("Failed to allocate memery for Rx adapter\n");
}
adapter_id = 0;
if ((rsrc->enabled_port_mask & (1 << port_id)) == 0)
continue;
ret = rte_event_eth_tx_adapter_create(adapter_id, event_d_id,
&evt_rsrc->def_p_conf);
if (ret)
rte_panic("Failed to create tx adapter[%d]\n",
adapter_id);
ret = rte_event_eth_tx_adapter_queue_add(adapter_id, port_id,
-1);
if (ret)
rte_panic("Failed to add queues to Tx adapter\n");
ret = rte_event_eth_tx_adapter_start(adapter_id);
if (ret)
rte_panic("Tx adapter[%d] start Failed\n", adapter_id);
evt_rsrc->tx_adptr.tx_adptr[adapter_id] = adapter_id;
adapter_id++;
}
}
void
l2fwd_event_set_internal_port_ops(struct event_setup_ops *ops)
{
ops->event_device_setup = l2fwd_event_device_setup_internal_port;
ops->event_queue_setup = l2fwd_event_queue_setup_internal_port;
ops->event_port_setup = l2fwd_event_port_setup_internal_port;
ops->adapter_setup = l2fwd_rx_tx_adapter_setup_internal_port;
}