[dpdk-dev] [PATCH v4 06/10] examples/l2fwd-event: add event Rx/Tx adapter setup

[<pbhagavatula@marvell.com>]

From: Pavan Nikhilesh <pbhagavatula@marvell.com>

Add event eth Rx/Tx adapter setup for both generic and internal port
event device pipelines.

Signed-off-by: Sunil Kumar Kori <skori@marvell.com>
Signed-off-by: Pavan Nikhilesh <pbhagavatula@marvell.com>
---
 examples/l2fwd-event/l2fwd_eventdev.c         |   3 +
 examples/l2fwd-event/l2fwd_eventdev.h         |  17 +++
 examples/l2fwd-event/l2fwd_eventdev_generic.c | 117 ++++++++++++++++++
 .../l2fwd_eventdev_internal_port.c            |  80 ++++++++++++
 4 files changed, 217 insertions(+)

diff --git a/examples/l2fwd-event/l2fwd_eventdev.c b/examples/l2fwd-event/l2fwd_eventdev.c
index 7a3d077ae..f964c69d6 100644
--- a/examples/l2fwd-event/l2fwd_eventdev.c
+++ b/examples/l2fwd-event/l2fwd_eventdev.c
@@ -243,6 +243,9 @@ eventdev_resource_setup(void)
 	/* Event port configuration */
 	eventdev_rsrc->ops.event_port_setup();
 
+	/* Rx/Tx adapters configuration */
+	eventdev_rsrc->ops.adapter_setup(ethdev_count);
+
 	/* Start event device service */
 	ret = rte_event_dev_service_id_get(eventdev_rsrc->event_d_id,
 			&service_id);
diff --git a/examples/l2fwd-event/l2fwd_eventdev.h b/examples/l2fwd-event/l2fwd_eventdev.h
index 1d43200e2..532672f7d 100644
--- a/examples/l2fwd-event/l2fwd_eventdev.h
+++ b/examples/l2fwd-event/l2fwd_eventdev.h
@@ -6,6 +6,9 @@
 #define __L2FWD_EVENTDEV_H__
 
 #include <rte_common.h>
+#include <rte_event_eth_rx_adapter.h>
+#include <rte_event_eth_tx_adapter.h>
+#include <rte_mbuf.h>
 #include <rte_spinlock.h>
 
 #include "l2fwd_common.h"
@@ -37,6 +40,18 @@ struct eventdev_ports {
 	rte_spinlock_t lock;
 };
 
+struct eventdev_rx_adptr {
+	uint32_t service_id;
+	uint8_t	nb_rx_adptr;
+	uint8_t *rx_adptr;
+};
+
+struct eventdev_tx_adptr {
+	uint32_t service_id;
+	uint8_t	nb_tx_adptr;
+	uint8_t *tx_adptr;
+};
+
 struct eventdev_setup_ops {
 	event_queue_setup_cb event_queue_setup;
 	event_port_setup_cb event_port_setup;
@@ -50,6 +65,8 @@ struct eventdev_resources {
 	struct rte_event_port_conf def_p_conf;
 	struct l2fwd_port_statistics *stats;
 	/* Default port config. */
+	struct eventdev_rx_adptr rx_adptr;
+	struct eventdev_tx_adptr tx_adptr;
 	uint8_t disable_implicit_release;
 	struct eventdev_setup_ops ops;
 	struct rte_mempool *pkt_pool;
diff --git a/examples/l2fwd-event/l2fwd_eventdev_generic.c b/examples/l2fwd-event/l2fwd_eventdev_generic.c
index 65166fded..68b63279a 100644
--- a/examples/l2fwd-event/l2fwd_eventdev_generic.c
+++ b/examples/l2fwd-event/l2fwd_eventdev_generic.c
@@ -192,10 +192,127 @@ event_queue_setup_generic(uint16_t ethdev_count, uint32_t event_queue_cfg)
 	eventdev_rsrc->evq.event_q_id[event_q_id] = event_q_id;
 }
 
+static void
+rx_tx_adapter_setup_generic(uint16_t ethdev_count)
+{
+	struct eventdev_resources *eventdev_rsrc = get_eventdev_rsrc();
+	struct rte_event_eth_rx_adapter_queue_conf eth_q_conf = {
+		.rx_queue_flags = 0,
+		.ev = {
+			.queue_id = 0,
+			.priority = RTE_EVENT_DEV_PRIORITY_NORMAL,
+		}
+	};
+	uint8_t event_d_id = eventdev_rsrc->event_d_id;
+	uint8_t rx_adptr_id = 0;
+	uint8_t tx_adptr_id = 0;
+	uint8_t tx_port_id = 0;
+	uint32_t service_id;
+	int32_t ret, i;
+
+	/* Rx adapter setup */
+	eventdev_rsrc->rx_adptr.nb_rx_adptr = 1;
+	eventdev_rsrc->rx_adptr.rx_adptr = (uint8_t *)malloc(sizeof(uint8_t) *
+					eventdev_rsrc->rx_adptr.nb_rx_adptr);
+	if (!eventdev_rsrc->rx_adptr.rx_adptr) {
+		free(eventdev_rsrc->evp.event_p_id);
+		free(eventdev_rsrc->evq.event_q_id);
+		rte_exit(EXIT_FAILURE,
+			 "failed to allocate memery for Rx adapter");
+	}
+
+	ret = rte_event_eth_rx_adapter_create(rx_adptr_id, event_d_id,
+					      &eventdev_rsrc->def_p_conf);
+	if (ret)
+		rte_exit(EXIT_FAILURE, "failed to create rx adapter");
+
+	eth_q_conf.ev.sched_type = eventdev_rsrc->sync_mode;
+	for (i = 0; i < ethdev_count; i++) {
+		/* Configure user requested sync mode */
+		eth_q_conf.ev.queue_id = eventdev_rsrc->evq.event_q_id[i];
+		ret = rte_event_eth_rx_adapter_queue_add(rx_adptr_id, i, -1,
+							 &eth_q_conf);
+		if (ret)
+			rte_exit(EXIT_FAILURE,
+				 "Failed to add queues to Rx adapter");
+	}
+
+	ret = rte_event_eth_rx_adapter_service_id_get(rx_adptr_id, &service_id);
+	if (ret != -ESRCH && ret != 0) {
+		rte_exit(EXIT_FAILURE,
+			"Error getting the service ID for rx adptr\n");
+	}
+
+	rte_service_runstate_set(service_id, 1);
+	rte_service_set_runstate_mapped_check(service_id, 0);
+	eventdev_rsrc->rx_adptr.service_id = service_id;
+
+	ret = rte_event_eth_rx_adapter_start(rx_adptr_id);
+	if (ret)
+		rte_exit(EXIT_FAILURE, "Rx adapter[%d] start failed",
+			 rx_adptr_id);
+
+	eventdev_rsrc->rx_adptr.rx_adptr[0] = rx_adptr_id;
+
+	/* Tx adapter setup */
+	eventdev_rsrc->tx_adptr.nb_tx_adptr = 1;
+	eventdev_rsrc->tx_adptr.tx_adptr = (uint8_t *)malloc(sizeof(uint8_t) *
+					eventdev_rsrc->tx_adptr.nb_tx_adptr);
+	if (!eventdev_rsrc->tx_adptr.tx_adptr) {
+		free(eventdev_rsrc->rx_adptr.rx_adptr);
+		free(eventdev_rsrc->evp.event_p_id);
+		free(eventdev_rsrc->evq.event_q_id);
+		rte_exit(EXIT_FAILURE,
+			 "failed to allocate memery for Rx adapter");
+	}
+
+	ret = rte_event_eth_tx_adapter_create(tx_adptr_id, event_d_id,
+					      &eventdev_rsrc->def_p_conf);
+	if (ret)
+		rte_exit(EXIT_FAILURE, "failed to create tx adapter");
+
+	for (i = 0; i < ethdev_count; i++) {
+		ret = rte_event_eth_tx_adapter_queue_add(tx_adptr_id, i, -1);
+		if (ret)
+			rte_exit(EXIT_FAILURE,
+				 "failed to add queues to Tx adapter");
+	}
+
+	ret = rte_event_eth_tx_adapter_service_id_get(tx_adptr_id, &service_id);
+	if (ret != -ESRCH && ret != 0)
+		rte_exit(EXIT_FAILURE, "Failed to get Tx adapter service ID");
+
+	rte_service_runstate_set(service_id, 1);
+	rte_service_set_runstate_mapped_check(service_id, 0);
+	eventdev_rsrc->tx_adptr.service_id = service_id;
+
+	ret = rte_event_eth_tx_adapter_event_port_get(tx_adptr_id, &tx_port_id);
+	if (ret)
+		rte_exit(EXIT_FAILURE,
+			 "Failed to get Tx adapter port id: %d\n", ret);
+
+	ret = rte_event_port_link(event_d_id, tx_port_id,
+				  &eventdev_rsrc->evq.event_q_id[
+					eventdev_rsrc->evq.nb_queues - 1],
+				  NULL, 1);
+	if (ret != 1)
+		rte_exit(EXIT_FAILURE,
+			 "Unable to link Tx adapter port to Tx queue:err = %d",
+			 ret);
+
+	ret = rte_event_eth_tx_adapter_start(tx_adptr_id);
+	if (ret)
+		rte_exit(EXIT_FAILURE, "Tx adapter[%d] start failed",
+			 tx_adptr_id);
+
+	eventdev_rsrc->tx_adptr.tx_adptr[0] = tx_adptr_id;
+}
+
 void
 eventdev_set_generic_ops(struct eventdev_setup_ops *ops)
 {
 	ops->eventdev_setup = eventdev_setup_generic;
 	ops->event_queue_setup = event_queue_setup_generic;
 	ops->event_port_setup = event_port_setup_generic;
+	ops->adapter_setup = rx_tx_adapter_setup_generic;
 }
diff --git a/examples/l2fwd-event/l2fwd_eventdev_internal_port.c b/examples/l2fwd-event/l2fwd_eventdev_internal_port.c
index 52cb07707..02663242f 100644
--- a/examples/l2fwd-event/l2fwd_eventdev_internal_port.c
+++ b/examples/l2fwd-event/l2fwd_eventdev_internal_port.c
@@ -186,10 +186,90 @@ event_queue_setup_internal_port(uint16_t ethdev_count, uint32_t event_queue_cfg)
 	}
 }
 
+static void
+rx_tx_adapter_setup_internal_port(uint16_t ethdev_count)
+{
+	struct eventdev_resources *eventdev_rsrc = get_eventdev_rsrc();
+	struct rte_event_eth_rx_adapter_queue_conf eth_q_conf = {
+		.rx_queue_flags = 0,
+		.ev = {
+			.queue_id = 0,
+			.priority = RTE_EVENT_DEV_PRIORITY_NORMAL,
+		}
+	};
+	uint8_t event_d_id = eventdev_rsrc->event_d_id;
+	int32_t ret, i;
+
+	eventdev_rsrc->rx_adptr.nb_rx_adptr = ethdev_count;
+	eventdev_rsrc->rx_adptr.rx_adptr = (uint8_t *)malloc(sizeof(uint8_t) *
+					eventdev_rsrc->rx_adptr.nb_rx_adptr);
+	if (!eventdev_rsrc->rx_adptr.rx_adptr) {
+		free(eventdev_rsrc->evp.event_p_id);
+		free(eventdev_rsrc->evq.event_q_id);
+		rte_exit(EXIT_FAILURE,
+			 "failed to allocate memery for Rx adapter");
+	}
+
+	for (i = 0; i < ethdev_count; i++) {
+		ret = rte_event_eth_rx_adapter_create(i, event_d_id,
+						&eventdev_rsrc->def_p_conf);
+		if (ret)
+			rte_exit(EXIT_FAILURE,
+				 "failed to create rx adapter[%d]", i);
+
+		/* Configure user requested sync mode */
+		eth_q_conf.ev.queue_id = eventdev_rsrc->evq.event_q_id[i];
+		eth_q_conf.ev.sched_type = eventdev_rsrc->sync_mode;
+		ret = rte_event_eth_rx_adapter_queue_add(i, i, -1, &eth_q_conf);
+		if (ret)
+			rte_exit(EXIT_FAILURE,
+				 "Failed to add queues to Rx adapter");
+
+		ret = rte_event_eth_rx_adapter_start(i);
+		if (ret)
+			rte_exit(EXIT_FAILURE,
+				 "Rx adapter[%d] start failed", i);
+
+		eventdev_rsrc->rx_adptr.rx_adptr[i] = i;
+	}
+
+	eventdev_rsrc->tx_adptr.nb_tx_adptr = ethdev_count;
+	eventdev_rsrc->tx_adptr.tx_adptr = (uint8_t *)malloc(sizeof(uint8_t) *
+					eventdev_rsrc->tx_adptr.nb_tx_adptr);
+	if (!eventdev_rsrc->tx_adptr.tx_adptr) {
+		free(eventdev_rsrc->rx_adptr.rx_adptr);
+		free(eventdev_rsrc->evp.event_p_id);
+		free(eventdev_rsrc->evq.event_q_id);
+		rte_exit(EXIT_FAILURE,
+			 "failed to allocate memery for Rx adapter");
+	}
+
+	for (i = 0; i < ethdev_count; i++) {
+		ret = rte_event_eth_tx_adapter_create(i, event_d_id,
+						&eventdev_rsrc->def_p_conf);
+		if (ret)
+			rte_exit(EXIT_FAILURE,
+				 "failed to create tx adapter[%d]", i);
+
+		ret = rte_event_eth_tx_adapter_queue_add(i, i, -1);
+		if (ret)
+			rte_exit(EXIT_FAILURE,
+				 "failed to add queues to Tx adapter");
+
+		ret = rte_event_eth_tx_adapter_start(i);
+		if (ret)
+			rte_exit(EXIT_FAILURE,
+				 "Tx adapter[%d] start failed", i);
+
+		eventdev_rsrc->tx_adptr.tx_adptr[i] = i;
+	}
+}
+
 void
 eventdev_set_internal_port_ops(struct eventdev_setup_ops *ops)
 {
 	ops->eventdev_setup = eventdev_setup_internal_port;
 	ops->event_queue_setup = event_queue_setup_internal_port;
 	ops->event_port_setup = event_port_setup_internal_port;
+	ops->adapter_setup = rx_tx_adapter_setup_internal_port;
 }
-- 
2.17.1