[dpdk-dev] [PATCH v2 03/11] examples/l3fwd: add event device configuration

From: <pbhagavatula@marvell.com>
To: <jerinj@marvell.com>, Marko Kovacevic <marko.kovacevic@intel.com>,
	Ori Kam <orika@mellanox.com>,
	Bruce Richardson <bruce.richardson@intel.com>,
	"Radu Nicolau" <radu.nicolau@intel.com>,
	Akhil Goyal <akhil.goyal@nxp.com>,
	"Tomasz Kantecki" <tomasz.kantecki@intel.com>,
	Sunil Kumar Kori <skori@marvell.com>,
	Pavan Nikhilesh <pbhagavatula@marvell.com>
Cc: <dev@dpdk.org>
Subject: [dpdk-dev] [PATCH v2 03/11] examples/l3fwd: add event device configuration
Date: Wed, 4 Dec 2019 20:13:36 +0530	[thread overview]
Message-ID: <20191204144345.5736-4-pbhagavatula@marvell.com> (raw)
In-Reply-To: <20191204144345.5736-1-pbhagavatula@marvell.com>

From: Pavan Nikhilesh <pbhagavatula@marvell.com>

Add event device configuration based on the capabilities of the
probed event device.

Signed-off-by: Pavan Nikhilesh <pbhagavatula@marvell.com>
---
 examples/l3fwd/l3fwd_event.c               |  3 +
 examples/l3fwd/l3fwd_event.h               | 36 ++++++++++
 examples/l3fwd/l3fwd_event_generic.c       | 75 ++++++++++++++++++++-
 examples/l3fwd/l3fwd_event_internal_port.c | 78 +++++++++++++++++++++-
 4 files changed, 190 insertions(+), 2 deletions(-)

diff --git a/examples/l3fwd/l3fwd_event.c b/examples/l3fwd/l3fwd_event.c
index a76195a1f..a027e150d 100644
--- a/examples/l3fwd/l3fwd_event.c
+++ b/examples/l3fwd/l3fwd_event.c
@@ -103,4 +103,7 @@ l3fwd_event_resource_setup(void)
 
 	/* Setup eventdev capability callbacks */
 	l3fwd_event_capability_setup();
+
+	/* Event device configuration */
+	evt_rsrc->ops.event_device_setup();
 }
diff --git a/examples/l3fwd/l3fwd_event.h b/examples/l3fwd/l3fwd_event.h
index edb0c9d45..5aac0b06c 100644
--- a/examples/l3fwd/l3fwd_event.h
+++ b/examples/l3fwd/l3fwd_event.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"
@@ -26,6 +27,29 @@ typedef void (*event_port_setup_cb)(void);
 typedef void (*adapter_setup_cb)(void);
 typedef int (*event_loop_cb)(void *);
 
+struct l3fwd_event_queues {
+	uint8_t *event_q_id;
+	uint8_t	nb_queues;
+};
+
+struct l3fwd_event_ports {
+	uint8_t *event_p_id;
+	uint8_t	nb_ports;
+	rte_spinlock_t lock;
+};
+
+struct l3fwd_event_rx_adptr {
+	uint32_t service_id;
+	uint8_t	nb_rx_adptr;
+	uint8_t *rx_adptr;
+};
+
+struct l3fwd_event_tx_adptr {
+	uint32_t service_id;
+	uint8_t	nb_tx_adptr;
+	uint8_t *tx_adptr;
+};
+
 struct l3fwd_event_setup_ops {
 	event_device_setup_cb event_device_setup;
 	event_queue_setup_cb event_queue_setup;
@@ -36,9 +60,21 @@ struct l3fwd_event_setup_ops {
 };
 
 struct l3fwd_event_resources {
+	struct rte_event_port_conf def_p_conf;
+	struct l3fwd_event_rx_adptr rx_adptr;
+	struct l3fwd_event_tx_adptr tx_adptr;
+	uint8_t disable_implicit_release;
 	struct l3fwd_event_setup_ops ops;
+	struct rte_mempool * (*pkt_pool)[NB_SOCKETS];
+	struct l3fwd_event_queues evq;
+	struct l3fwd_event_ports evp;
+	uint32_t port_mask;
+	uint8_t per_port_pool;
+	uint8_t event_d_id;
 	uint8_t sched_type;
 	uint8_t tx_mode_q;
+	uint8_t deq_depth;
+	uint8_t has_burst;
 	uint8_t enabled;
 	uint8_t nb_args;
 	char **args;
diff --git a/examples/l3fwd/l3fwd_event_generic.c b/examples/l3fwd/l3fwd_event_generic.c
index 6e228dbba..d748dcef9 100644
--- a/examples/l3fwd/l3fwd_event_generic.c
+++ b/examples/l3fwd/l3fwd_event_generic.c
@@ -5,8 +5,81 @@
 #include "l3fwd.h"
 #include "l3fwd_event.h"
 
+static uint32_t
+l3fwd_event_device_setup_generic(void)
+{
+	struct l3fwd_event_resources *evt_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 ethdev_count = 0;
+	uint16_t num_workers = 0;
+	uint16_t port_id;
+	int ret;
+
+	RTE_ETH_FOREACH_DEV(port_id) {
+		if ((evt_rsrc->port_mask & (1 << port_id)) == 0)
+			continue;
+		ethdev_count++;
+	}
+
+	/* Event device configurtion */
+	rte_event_dev_info_get(event_d_id, &dev_info);
+	evt_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;
+
+	/* One queue for each ethdev port + one Tx adapter Single link queue. */
+	event_d_conf.nb_event_queues = ethdev_count + 1;
+	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;
+	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 &
+				    RTE_EVENT_DEV_CAP_BURST_MODE);
+
+	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;
+}
+
 void
 l3fwd_event_set_generic_ops(struct l3fwd_event_setup_ops *ops)
 {
-	RTE_SET_USED(ops);
+	ops->event_device_setup = l3fwd_event_device_setup_generic;
 }
diff --git a/examples/l3fwd/l3fwd_event_internal_port.c b/examples/l3fwd/l3fwd_event_internal_port.c
index b7eca15be..9c053aa6f 100644
--- a/examples/l3fwd/l3fwd_event_internal_port.c
+++ b/examples/l3fwd/l3fwd_event_internal_port.c
@@ -5,8 +5,84 @@
 #include "l3fwd.h"
 #include "l3fwd_event.h"
 
+static uint32_t
+l3fwd_event_device_setup_internal_port(void)
+{
+	struct l3fwd_event_resources *evt_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;
+	uint8_t disable_implicit_release;
+	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;
+
+	RTE_ETH_FOREACH_DEV(port_id) {
+		if ((evt_rsrc->port_mask & (1 << port_id)) == 0)
+			continue;
+		ethdev_count++;
+	}
+
+	/* Event device configurtion */
+	rte_event_dev_info_get(event_d_id, &dev_info);
+
+	disable_implicit_release = !!(dev_info.event_dev_cap &
+				    RTE_EVENT_DEV_CAP_IMPLICIT_RELEASE_DISABLE);
+	evt_rsrc->disable_implicit_release =
+						disable_implicit_release;
+
+	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;
+	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();
+	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 &
+				    RTE_EVENT_DEV_CAP_BURST_MODE);
+
+	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;
+}
+
+
 void
 l3fwd_event_set_internal_port_ops(struct l3fwd_event_setup_ops *ops)
 {
-	RTE_SET_USED(ops);
+	ops->event_device_setup = l3fwd_event_device_setup_internal_port;
 }
-- 
2.17.1

