@@ -39,14 +39,14 @@
* rte_event_eth_tx_adapter_create() or rte_event_eth_tx_adapter_create_ext().
*
* The adapter will use the common implementation when the eventdev PMD
- * does not have the RTE_EVENT_ETH_TX_ADAPTER_CAP_INTERNAL_PORT capability.
+ * does not have the #RTE_EVENT_ETH_TX_ADAPTER_CAP_INTERNAL_PORT capability.
* The common implementation uses an event port that is created using the port
* configuration parameter passed to rte_event_eth_tx_adapter_create(). The
* application can get the port identifier using
* rte_event_eth_tx_adapter_event_port_get() and must link an event queue to
* this port.
*
- * If the eventdev PMD has the RTE_EVENT_ETH_TX_ADAPTER_CAP_INTERNAL_PORT
+ * If the eventdev PMD has the #RTE_EVENT_ETH_TX_ADAPTER_CAP_INTERNAL_PORT
* flags set, Tx adapter events should be enqueued using the
* rte_event_eth_tx_adapter_enqueue() function, else the application should
* use rte_event_enqueue_burst().
@@ -329,7 +329,7 @@ struct rte_event_eth_tx_adapter_stats {
* @b EXPERIMENTAL: this API may change without prior notice
*
* Retrieve the adapter event port. The adapter creates an event port if
- * the RTE_EVENT_ETH_TX_ADAPTER_CAP_INTERNAL_PORT is not set in the
+ * the #RTE_EVENT_ETH_TX_ADAPTER_CAP_INTERNAL_PORT is not set in the
* ethernet Tx capabilities of the event device.
*
* @param id
@@ -347,7 +347,7 @@ struct rte_event_eth_tx_adapter_stats {
* Enqueue a burst of events objects or an event object supplied in *rte_event*
* structure on an event device designated by its *dev_id* through the event
* port specified by *port_id*. This function is supported if the eventdev PMD
- * has the RTE_EVENT_ETH_TX_ADAPTER_CAP_INTERNAL_PORT capability flag set.
+ * has the #RTE_EVENT_ETH_TX_ADAPTER_CAP_INTERNAL_PORT capability flag set.
*
* The *nb_events* parameter is the number of event objects to enqueue which are
* supplied in the *ev* array of *rte_event* structure.
@@ -1186,6 +1186,32 @@ struct rte_event {
rte_event_crypto_adapter_caps_get(uint8_t dev_id, uint8_t cdev_id,
uint32_t *caps);
+/* Ethdev Tx adapter capability bitmap flags */
+#define RTE_EVENT_ETH_TX_ADAPTER_CAP_INTERNAL_PORT 0x1
+/**< This flag is sent when the PMD supports a packet transmit callback
+ */
+
+/**
+ * Retrieve the event device's eth Tx adapter capabilities
+ *
+ * @param dev_id
+ * The identifier of the device.
+ *
+ * @param eth_port_id
+ * The identifier of the ethernet device.
+ *
+ * @param[out] caps
+ * A pointer to memory filled with eth Tx adapter capabilities.
+ *
+ * @return
+ * - 0: Success, driver provides eth Tx adapter capabilities.
+ * - <0: Error code returned by the driver function.
+ *
+ */
+int __rte_experimental
+rte_event_eth_tx_adapter_caps_get(uint8_t dev_id, uint16_t eth_port_id,
+ uint32_t *caps);
+
struct rte_eventdev_ops;
struct rte_eventdev;
@@ -1204,6 +1230,10 @@ typedef uint16_t (*event_dequeue_burst_t)(void *port, struct rte_event ev[],
uint16_t nb_events, uint64_t timeout_ticks);
/**< @internal Dequeue burst of events from port of a device */
+typedef uint16_t (*event_tx_adapter_enqueue)(void *port,
+ struct rte_event ev[], uint16_t nb_events);
+/**< @internal Enqueue burst of events on port of a device */
+
#define RTE_EVENTDEV_NAME_MAX_LEN (64)
/**< @internal Max length of name of event PMD */
@@ -1266,7 +1296,8 @@ struct rte_eventdev {
/**< Pointer to PMD dequeue function. */
event_dequeue_burst_t dequeue_burst;
/**< Pointer to PMD dequeue burst function. */
-
+ event_tx_adapter_enqueue txa_enqueue;
+ /**< Pointer to PMD eth Tx adapter enqueue function. */
struct rte_eventdev_data *data;
/**< Pointer to device data */
struct rte_eventdev_ops *dev_ops;
@@ -789,6 +789,186 @@ typedef int (*eventdev_crypto_adapter_stats_reset)
(const struct rte_eventdev *dev,
const struct rte_cryptodev *cdev);
+/**
+ * Retrieve the event device's eth Tx adapter capabilities.
+ *
+ * @param dev
+ * Event device pointer
+ *
+ * @param eth_dev
+ * Ethernet device pointer
+ *
+ * @param[out] caps
+ * A pointer to memory filled with eth Tx adapter capabilities.
+ *
+ * @return
+ * - 0: Success, driver provides eth Tx adapter capabilities
+ * - <0: Error code returned by the driver function.
+ *
+ */
+typedef int (*eventdev_eth_tx_adapter_caps_get_t)
+ (const struct rte_eventdev *dev,
+ const struct rte_eth_dev *eth_dev,
+ uint32_t *caps);
+
+/**
+ * Create adapter callback.
+ *
+ * @param id
+ * Adapter identifier
+ *
+ * @param dev
+ * Event device pointer
+ *
+ * @return
+ * - 0: Success.
+ * - <0: Error code on failure.
+ */
+typedef int (*eventdev_eth_tx_adapter_create_t)(uint8_t id,
+ const struct rte_eventdev *dev);
+
+/**
+ * Free adapter callback.
+ *
+ * @param id
+ * Adapter identifier
+ *
+ * @param dev
+ * Event device pointer
+ *
+ * @return
+ * - 0: Success.
+ * - <0: Error code on failure.
+ */
+typedef int (*eventdev_eth_tx_adapter_free_t)(uint8_t id,
+ const struct rte_eventdev *dev);
+
+/**
+ * Add a Tx queue to the adapter.
+ * A queue value of -1 is used to indicate all
+ * queues within the device.
+ *
+ * @param id
+ * Adapter identifier
+ *
+ * @param dev
+ * Event device pointer
+ *
+ * @param eth_dev
+ * Ethernet device pointer
+ *
+ * @param tx_queue_id
+ * Transmt queue index
+ *
+ * @return
+ * - 0: Success.
+ * - <0: Error code on failure.
+ */
+typedef int (*eventdev_eth_tx_adapter_queue_add_t)(
+ uint8_t id,
+ const struct rte_eventdev *dev,
+ const struct rte_eth_dev *eth_dev,
+ int32_t tx_queue_id);
+
+/**
+ * Delete a Tx queue from the adapter.
+ * A queue value of -1 is used to indicate all
+ * queues within the device, that have been added to this
+ * adapter.
+ *
+ * @param id
+ * Adapter identifier
+ *
+ * @param dev
+ * Event device pointer
+ *
+ * @param eth_dev
+ * Ethernet device pointer
+ *
+ * @param tx_queue_id
+ * Transmit queue index
+ *
+ * @return
+ * - 0: Success, Queues deleted successfully.
+ * - <0: Error code on failure.
+ */
+typedef int (*eventdev_eth_tx_adapter_queue_del_t)(
+ uint8_t id,
+ const struct rte_eventdev *dev,
+ const struct rte_eth_dev *eth_dev,
+ int32_t tx_queue_id);
+
+/**
+ * Start the adapter.
+ *
+ * @param id
+ * Adapter identifier
+ *
+ * @param dev
+ * Event device pointer
+ *
+ * @return
+ * - 0: Success, Adapter started correctly.
+ * - <0: Error code on failure.
+ */
+typedef int (*eventdev_eth_tx_adapter_start_t)(uint8_t id,
+ const struct rte_eventdev *dev);
+
+/**
+ * Stop the adapter.
+ *
+ * @param id
+ * Adapter identifier
+ *
+ * @param dev
+ * Event device pointer
+ *
+ * @return
+ * - 0: Success.
+ * - <0: Error code on failure.
+ */
+typedef int (*eventdev_eth_tx_adapter_stop_t)(uint8_t id,
+ const struct rte_eventdev *dev);
+
+struct rte_event_eth_tx_adapter_stats;
+
+/**
+ * Retrieve statistics for an adapter
+ *
+ * @param id
+ * Adapter identifier
+ *
+ * @param dev
+ * Event device pointer
+ *
+ * @param [out] stats
+ * A pointer to structure used to retrieve statistics for an adapter
+ *
+ * @return
+ * - 0: Success, statistics retrieved successfully.
+ * - <0: Error code on failure.
+ */
+typedef int (*eventdev_eth_tx_adapter_stats_get_t)(
+ uint8_t id,
+ const struct rte_eventdev *dev,
+ struct rte_event_eth_tx_adapter_stats *stats);
+
+/**
+ * Reset statistics for an adapter
+ *
+ * @param id
+ * Adapter identifier
+ *
+ * @param dev
+ * Event device pointer
+ *
+ * @return
+ * - 0: Success, statistics retrieved successfully.
+ * - <0: Error code on failure.
+ */
+typedef int (*eventdev_eth_tx_adapter_stats_reset_t)(uint8_t id,
+ const struct rte_eventdev *dev);
+
/** Event device operations function pointer table */
struct rte_eventdev_ops {
eventdev_info_get_t dev_infos_get; /**< Get device info. */
@@ -862,6 +1042,26 @@ struct rte_eventdev_ops {
eventdev_crypto_adapter_stats_reset crypto_adapter_stats_reset;
/**< Reset crypto stats */
+ eventdev_eth_tx_adapter_caps_get_t eth_tx_adapter_caps_get;
+ /**< Get ethernet Tx adapter capabilities */
+
+ eventdev_eth_tx_adapter_create_t eth_tx_adapter_create;
+ /**< Create adapter callback */
+ eventdev_eth_tx_adapter_free_t eth_tx_adapter_free;
+ /**< Free adapter callback */
+ eventdev_eth_tx_adapter_queue_add_t eth_tx_adapter_queue_add;
+ /**< Add Tx queues to the eth Tx adapter */
+ eventdev_eth_tx_adapter_queue_del_t eth_tx_adapter_queue_del;
+ /**< Delete Tx queues from the eth Tx adapter */
+ eventdev_eth_tx_adapter_start_t eth_tx_adapter_start;
+ /**< Start eth Tx adapter */
+ eventdev_eth_tx_adapter_stop_t eth_tx_adapter_stop;
+ /**< Stop eth Tx adapter */
+ eventdev_eth_tx_adapter_stats_get_t eth_tx_adapter_stats_get;
+ /**< Get eth Tx adapter statistics */
+ eventdev_eth_tx_adapter_stats_reset_t eth_tx_adapter_stats_reset;
+ /**< Reset eth Tx adapter statistics */
+
eventdev_selftest dev_selftest;
/**< Start eventdev Selftest */
@@ -175,6 +175,31 @@
(dev, cdev, caps) : -ENOTSUP;
}
+int __rte_experimental
+rte_event_eth_tx_adapter_caps_get(uint8_t dev_id, uint16_t eth_port_id,
+ uint32_t *caps)
+{
+ struct rte_eventdev *dev;
+ struct rte_eth_dev *eth_dev;
+
+ RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL);
+ RTE_ETH_VALID_PORTID_OR_ERR_RET(eth_port_id, -EINVAL);
+
+ dev = &rte_eventdevs[dev_id];
+ eth_dev = &rte_eth_devices[eth_port_id];
+
+ if (caps == NULL)
+ return -EINVAL;
+
+ *caps = 0;
+
+ return dev->dev_ops->eth_tx_adapter_caps_get ?
+ (*dev->dev_ops->eth_tx_adapter_caps_get)(dev,
+ eth_dev,
+ caps)
+ : 0;
+}
+
static inline int
rte_event_dev_queue_config(struct rte_eventdev *dev, uint8_t nb_queues)
{
@@ -1275,6 +1300,15 @@ int rte_event_dev_selftest(uint8_t dev_id)
return RTE_EVENT_MAX_DEVS;
}
+static uint16_t
+rte_event_tx_adapter_enqueue(__rte_unused void *port,
+ __rte_unused struct rte_event ev[],
+ __rte_unused uint16_t nb_events)
+{
+ rte_errno = ENOTSUP;
+ return 0;
+}
+
struct rte_eventdev *
rte_event_pmd_allocate(const char *name, int socket_id)
{
@@ -1295,6 +1329,8 @@ struct rte_eventdev *
eventdev = &rte_eventdevs[dev_id];
+ eventdev->txa_enqueue = rte_event_tx_adapter_enqueue;
+
if (eventdev->data == NULL) {
struct rte_eventdev_data *eventdev_data = NULL;