Added rte_event_eth_rx_adapter_queue_info_get() API to get rx queue
information - event queue identifier, flags for handling received packets,
schedular type, event priority, polling frequency of the receive queue
and flow identifier in rte_event_eth_rx_adapter_queue_info structure
Signed-off-by: Ganapati Kundapura <ganapati.kundap...@intel.com>
---
app/test/test_event_eth_rx_adapter.c | 22 +++++++
.../prog_guide/event_ethernet_rx_adapter.rst | 8 +++
lib/eventdev/eventdev_pmd.h | 31 +++++++++
lib/eventdev/rte_event_eth_rx_adapter.c | 76 ++++++++++++++++++++++
lib/eventdev/rte_event_eth_rx_adapter.h | 71 ++++++++++++++++++++
5 files changed, 208 insertions(+)
diff --git a/app/test/test_event_eth_rx_adapter.c
b/app/test/test_event_eth_rx_adapter.c
index 9198767..c642e1b 100644
--- a/app/test/test_event_eth_rx_adapter.c
+++ b/app/test/test_event_eth_rx_adapter.c
@@ -750,6 +750,27 @@ adapter_stats(void)
return TEST_SUCCESS;
}
+static int
+adapter_queue_info(void)
+{
+ int err;
+ struct rte_event_eth_rx_adapter_queue_info queue_info;
+
+ err = rte_event_eth_rx_adapter_queue_info_get(TEST_INST_ID, TEST_DEV_ID,
+ 0, &queue_info);
+ TEST_ASSERT(err == 0, "Expected 0 got %d", err);
+
+ err = rte_event_eth_rx_adapter_queue_info_get(TEST_INST_ID, TEST_DEV_ID,
+ -1, &queue_info);
+ TEST_ASSERT(err == -EINVAL, "Expected -EINVAL got %d", err);
+
+ err = rte_event_eth_rx_adapter_queue_info_get(TEST_INST_ID, TEST_DEV_ID,
+ 0, NULL);
+ TEST_ASSERT(err == -EINVAL, "Expected -EINVAL got %d", err);
+
+ return TEST_SUCCESS;
+}
+
static struct unit_test_suite event_eth_rx_tests = {
.suite_name = "rx event eth adapter test suite",
.setup = testsuite_setup,
@@ -762,6 +783,7 @@ static struct unit_test_suite event_eth_rx_tests = {
adapter_multi_eth_add_del),
TEST_CASE_ST(adapter_create, adapter_free, adapter_start_stop),
TEST_CASE_ST(adapter_create, adapter_free, adapter_stats),
+ TEST_CASE_ST(adapter_create, adapter_free, adapter_queue_info),
TEST_CASES_END() /**< NULL terminate unit test array */
}
};
diff --git a/doc/guides/prog_guide/event_ethernet_rx_adapter.rst
b/doc/guides/prog_guide/event_ethernet_rx_adapter.rst
index c01e5a9..9897985 100644
--- a/doc/guides/prog_guide/event_ethernet_rx_adapter.rst
+++ b/doc/guides/prog_guide/event_ethernet_rx_adapter.rst
@@ -146,6 +146,14 @@ if the callback is supported, and the counts maintained by
the service function,
if one exists. The service function also maintains a count of cycles for which
it was not able to enqueue to the event device.
+Getting Adapter queue info
+~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+The ``rte_event_eth_rx_adapter_queue_info_get()`` function reports
+flags for handling received packets, event queue identifier, scheduar type,
+event priority, polling frequency of the receive queue and flow identifier
+in struct ``rte_event_eth_rx_adapter_queue_info``.
+
Interrupt Based Rx Queues
~~~~~~~~~~~~~~~~~~~~~~~~~~
diff --git a/lib/eventdev/eventdev_pmd.h b/lib/eventdev/eventdev_pmd.h
index 0f724ac..20cc0a7 100644
--- a/lib/eventdev/eventdev_pmd.h
+++ b/lib/eventdev/eventdev_pmd.h
@@ -561,6 +561,35 @@ typedef int (*eventdev_eth_rx_adapter_queue_del_t)
const struct rte_eth_dev *eth_dev,
int32_t rx_queue_id);
+struct rte_event_eth_rx_adapter_queue_info;
+
+/**
+ * Retrieve information about Rx queue. This callback is invoked if
+ * the caps returned from the eventdev_eth_rx_adapter_caps_get(, eth_port_id)
+ * has RTE_EVENT_ETH_RX_ADAPTER_CAP_INTERNAL_PORT set.
+ *
+ * @param dev
+ * Event device pointer
+ *
+ * @param eth_dev
+ * Ethernet device pointer
+ *
+ * @param rx_queue_id
+ * Ethernet device receive queue index.
+ *
+ * @param[out] info
+ * Pointer to rte_event_eth_rx_adapter_queue_info structure
+ *
+ * @return
+ * - 0: Success
+ * - <0: Error code on failure.
+ */
+typedef int (*eventdev_eth_rx_adapter_queue_info_get_t)
+ (const struct rte_eventdev *dev,
+ const struct rte_eth_dev *eth_dev,
+ uint16_t rx_queue_id,
+ struct rte_event_eth_rx_adapter_queue_info *info);
+
/**
* Start ethernet Rx adapter. This callback is invoked if
* the caps returned from eventdev_eth_rx_adapter_caps_get(.., eth_port_id)
@@ -1107,6 +1136,8 @@ struct rte_eventdev_ops {
/**< Add Rx queues to ethernet Rx adapter */
eventdev_eth_rx_adapter_queue_del_t eth_rx_adapter_queue_del;
/**< Delete Rx queues from ethernet Rx adapter */
+ eventdev_eth_rx_adapter_queue_info_get_t eth_rx_adapter_queue_info_get;
+ /**< Get Rx adapter queue info */
eventdev_eth_rx_adapter_start_t eth_rx_adapter_start;
/**< Start ethernet Rx adapter */
eventdev_eth_rx_adapter_stop_t eth_rx_adapter_stop;
diff --git a/lib/eventdev/rte_event_eth_rx_adapter.c
b/lib/eventdev/rte_event_eth_rx_adapter.c
index 7c94c73..98184fb 100644
--- a/lib/eventdev/rte_event_eth_rx_adapter.c
+++ b/lib/eventdev/rte_event_eth_rx_adapter.c
@@ -2811,3 +2811,79 @@ rte_event_eth_rx_adapter_cb_register(uint8_t id,
return 0;
}
+
+int
+rte_event_eth_rx_adapter_queue_info_get(uint8_t id, uint16_t eth_dev_id,
+ uint16_t rx_queue_id,
+ struct rte_event_eth_rx_adapter_queue_info *info)
+{
+ struct rte_eventdev *dev;
+ struct eth_device_info *dev_info;
+ struct rte_event_eth_rx_adapter *rx_adapter;
+ struct eth_rx_queue_info *queue_info;
+ struct rte_event *qi_ev;
+ int ret;
+ uint32_t cap;
+
+ RTE_EVENT_ETH_RX_ADAPTER_ID_VALID_OR_ERR_RET(id, -EINVAL);
+ RTE_ETH_VALID_PORTID_OR_ERR_RET(eth_dev_id, -EINVAL);
+
+ if (rx_queue_id >= rte_eth_devices[eth_dev_id].data->nb_rx_queues) {
+ RTE_EDEV_LOG_ERR("Invalid rx queue_id %u", rx_queue_id);
+ return -EINVAL;
+ }
+
+ if (info == NULL) {
+ RTE_EDEV_LOG_ERR("Rx queue info cannot be NULL");
+ return -EINVAL;
+ }
+
+ rx_adapter = rxa_id_to_adapter(id);
+ if (rx_adapter == NULL)
+ return -EINVAL;
+
+ dev = &rte_eventdevs[rx_adapter->eventdev_id];
+ ret = rte_event_eth_rx_adapter_caps_get(rx_adapter->eventdev_id,
+ eth_dev_id,
+ &cap);
+ if (ret) {
+ RTE_EDEV_LOG_ERR("Failed to get adapter caps edev %" PRIu8
+ "eth port %" PRIu16, id, eth_dev_id);
+ return ret;
+ }
+
+ if (cap & RTE_EVENT_ETH_RX_ADAPTER_CAP_INTERNAL_PORT) {
+ RTE_FUNC_PTR_OR_ERR_RET(
+ *dev->dev_ops->eth_rx_adapter_queue_info_get,
+ -ENOTSUP);
+ ret = (*dev->dev_ops->eth_rx_adapter_queue_info_get)(dev,
+ &rte_eth_devices[eth_dev_id],
+ rx_queue_id,
+ info);
+ return ret;
+ }
+
+ dev_info = &rx_adapter->eth_devices[eth_dev_id];
+
+ queue_info = &dev_info->rx_queue[rx_queue_id];
+ if (!queue_info->queue_enabled) {
+ RTE_EDEV_LOG_ERR("Rx queue %u not added", rx_queue_id);
+ return -EINVAL;
+ }
+
+ qi_ev = (struct rte_event *)&queue_info->event;
+
+ memset(info, 0, sizeof(*info));
+ info->servicing_weight = queue_info->wt;
+ info->event_queue_id = qi_ev->queue_id;
+ info->sched_type = qi_ev->sched_type;
+ info->priority = qi_ev->priority;
+ info->rx_queue_flags = 0;
+ if (queue_info->flow_id_mask != 0) {
+ info->rx_queue_flags |=
+ RTE_EVENT_ETH_RX_ADAPTER_QUEUE_FLOW_ID_VALID;
+ info->flow_id = qi_ev->flow_id;
+ }
+
+ return 0;
+}
diff --git a/lib/eventdev/rte_event_eth_rx_adapter.h
b/lib/eventdev/rte_event_eth_rx_adapter.h
index 182dd2e..75c0010 100644
--- a/lib/eventdev/rte_event_eth_rx_adapter.h
+++ b/lib/eventdev/rte_event_eth_rx_adapter.h
@@ -33,6 +33,7 @@
* - rte_event_eth_rx_adapter_stop()
* - rte_event_eth_rx_adapter_stats_get()
* - rte_event_eth_rx_adapter_stats_reset()
+ * - rte_event_eth_rx_adapter_queue_info_get()
*
* The application creates an ethernet to event adapter using
* rte_event_eth_rx_adapter_create_ext() or rte_event_eth_rx_adapter_create()
@@ -140,6 +141,56 @@ typedef int (*rte_event_eth_rx_adapter_conf_cb) (uint8_t
id, uint8_t dev_id,
void *arg);
/**
+ * Rx queue info
+ */
+struct rte_event_eth_rx_adapter_queue_info {
+ uint32_t rx_queue_flags;
+ /**< Flags for handling received packets
+ * @see RTE_EVENT_ETH_RX_ADAPTER_QUEUE_FLOW_ID_VALID
+ */
+ uint16_t servicing_weight;
+ /**< Relative polling frequency of ethernet receive queue when the
+ * adapter uses a service core function for ethernet to event device
+ * transfers. If it is set to zero, the Rx queue is interrupt driven
+ * (unless rx queue interrupts are not enabled for the ethernet
+ * device).
+ */
+
+ uint8_t event_queue_id;
+ /**< Targeted event queue identifier for the enqueue or
+ * dequeue operation.
+ * The value must be in the range of
+ * [0, nb_event_queues - 1] which previously supplied to
+ * rte_event_dev_configure().
+ */
+
+ uint8_t sched_type;
+ /**< Scheduler synchronization type (RTE_SCHED_TYPE_*)
+ * associated with flow id on a given event queue
+ * for the enqueue and dequeue operation.
+ */
+
+ uint8_t priority;
+ /**< Event priority relative to other events in the
+ * event queue. The requested priority should in the
+ * range of [RTE_EVENT_DEV_PRIORITY_HIGHEST,
+ * RTE_EVENT_DEV_PRIORITY_LOWEST].
+ * The implementation shall normalize the requested
+ * priority to supported priority value.
+ * Valid when the device has
+ * RTE_EVENT_DEV_CAP_EVENT_QOS capability.
+ */
+
+ uint32_t flow_id;
+ /**< Targeted flow identifier for the enqueue and
+ * dequeue operation.
+ * The value must be in the range of
+ * [0, nb_event_queue_flows - 1] which
+ * previously supplied to rte_event_dev_configure().
+ */
+};
+
+/**
* Rx queue configuration structure
*/
struct rte_event_eth_rx_adapter_queue_conf {
@@ -575,6 +626,26 @@ int rte_event_eth_rx_adapter_queue_event_vector_config(
uint8_t id, uint16_t eth_dev_id, int32_t rx_queue_id,
struct rte_event_eth_rx_adapter_event_vector_config *config);
+/**
+ * Retrieve information about Rx queue.
+ *
+ * @param id
+ * Adapter identifier.
+ * @param eth_dev_id
+ * Port identifier of Ethernet device.
+ * @param rx_queue_id
+ * Ethernet device receive queue index.
+ * @param info
+ * Pointer to struct rte_event_eth_rx_adapter_queue_info
+ * @return
+ * - 0: Success, Receive queue added correctly.
+ * - <0: Error code on failure.
+ */
+int rte_event_eth_rx_adapter_queue_info_get(uint8_t id,
+ uint16_t eth_dev_id,
+ uint16_t rx_queue_id,
+ struct rte_event_eth_rx_adapter_queue_info *info);
+
#ifdef __cplusplus
}
#endif
--
2.6.4
