From: Pavan Nikhilesh <pbhagavat...@marvell.com>
Add event device configuration based on the capabilities of the
probed event device.
Signed-off-by: Pavan Nikhilesh <pbhagavat...@marvell.com>
---
examples/l3fwd/l3fwd_eventdev.c | 67 +++++++++++++++++++
examples/l3fwd/l3fwd_eventdev.h | 4 ++
examples/l3fwd/l3fwd_eventdev_internal_port.c | 1 +
3 files changed, 72 insertions(+)
diff --git a/examples/l3fwd/l3fwd_eventdev.c b/examples/l3fwd/l3fwd_eventdev.c
index fa464626d..7e2c4c66b 100644
--- a/examples/l3fwd/l3fwd_eventdev.c
+++ b/examples/l3fwd/l3fwd_eventdev.c
@@ -91,10 +91,74 @@ l3fwd_eventdev_capability_setup(void)
l3fwd_eventdev_set_internal_port_ops(&evdev_rsrc->ops);
}
+
+static uint32_t
+l3fwd_eventdev_setup(uint16_t ethdev_count)
+{
+ struct l3fwd_eventdev_resources *evdev_rsrc = l3fwd_get_eventdev_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 num_workers = 0;
+ int ret;
+
+ /* Event device configurtion */
+ rte_event_dev_info_get(event_d_id, &dev_info);
+ evdev_rsrc->disable_implicit_release = !!(dev_info.event_dev_cap &
+ RTE_EVENT_DEV_CAP_IMPLICIT_RELEASE_DISABLE);
+
+ if (dev_info.event_dev_cap & RTE_EVENT_DEV_CAP_QUEUE_ALL_TYPES)
+ event_queue_cfg |= RTE_EVENT_QUEUE_CFG_ALL_TYPES;
+
+ event_d_conf.nb_event_queues = ethdev_count +
+ (evdev_rsrc->tx_mode_q ? 1 : 0);
+ 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 =
+ dev_info.max_event_queue_flows;
+
+ if (dev_info.max_event_port_dequeue_depth <
+ event_d_conf.nb_event_port_dequeue_depth)
+ event_d_conf.nb_event_port_dequeue_depth =
+ dev_info.max_event_port_dequeue_depth;
+
+ if (dev_info.max_event_port_enqueue_depth <
+ event_d_conf.nb_event_port_enqueue_depth)
+ event_d_conf.nb_event_port_enqueue_depth =
+ dev_info.max_event_port_enqueue_depth;
+
+ num_workers = rte_lcore_count() - rte_service_lcore_count();
+ if (dev_info.max_event_ports < num_workers)
+ num_workers = dev_info.max_event_ports;
+
+ event_d_conf.nb_event_ports = num_workers;
+ evdev_rsrc->has_burst = !!(dev_info.event_dev_cap &
+ RTE_EVENT_DEV_CAP_BURST_MODE);
+
+ ret = rte_event_dev_configure(event_d_id, &event_d_conf);
+ if (ret < 0)
+ rte_exit(EXIT_FAILURE, "Error in configuring event device");
+
+ evdev_rsrc->event_d_id = event_d_id;
+ return event_queue_cfg;
+}
+
void
l3fwd_eventdev_resource_setup(void)
{
struct l3fwd_eventdev_resources *evdev_rsrc = l3fwd_get_eventdev_rsrc();
+ uint16_t ethdev_count = rte_eth_dev_count_avail();
int32_t ret;
/* Parse eventdev command line options */
@@ -107,4 +171,7 @@ l3fwd_eventdev_resource_setup(void)
/* Setup eventdev capability callbacks */
l3fwd_eventdev_capability_setup();
+
+ /* Event device configuration */
+ l3fwd_eventdev_setup(ethdev_count);
}
diff --git a/examples/l3fwd/l3fwd_eventdev.h b/examples/l3fwd/l3fwd_eventdev.h
index 61a537864..ce4e35443 100644
--- a/examples/l3fwd/l3fwd_eventdev.h
+++ b/examples/l3fwd/l3fwd_eventdev.h
@@ -8,6 +8,7 @@
#include <rte_common.h>
#include <rte_eventdev.h>
#include <rte_event_eth_tx_adapter.h>
+#include <rte_service.h>
#include <rte_spinlock.h>
#include "l3fwd.h"
@@ -37,9 +38,12 @@ struct l3fwd_eventdev_setup_ops {
};
struct l3fwd_eventdev_resources {
+ uint8_t disable_implicit_release;
struct l3fwd_eventdev_setup_ops ops;
+ uint8_t event_d_id;
uint8_t sync_mode;
uint8_t tx_mode_q;
+ uint8_t has_burst;
uint8_t enabled;
uint8_t nb_args;
char **args;
diff --git a/examples/l3fwd/l3fwd_eventdev_internal_port.c
b/examples/l3fwd/l3fwd_eventdev_internal_port.c
index f698a0ce1..d40185862 100644
--- a/examples/l3fwd/l3fwd_eventdev_internal_port.c
+++ b/examples/l3fwd/l3fwd_eventdev_internal_port.c
@@ -5,6 +5,7 @@
#include "l3fwd.h"
#include "l3fwd_eventdev.h"
+
void
l3fwd_eventdev_set_internal_port_ops(struct l3fwd_eventdev_setup_ops *ops)
{
--
2.17.1
