eventdev: add Tx flag for packets with same destination

[dpdk.git] / lib / librte_eventdev / rte_eventdev.h

diff --git a/lib/librte_eventdev/rte_eventdev.h b/lib/librte_eventdev/rte_eventdev.h
index 927f43c..ced6f29 100644 (file)
--- a/lib/librte_eventdev/rte_eventdev.h
+++ b/lib/librte_eventdev/rte_eventdev.h
@@ -1230,6 +1230,12 @@ 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 */
 
+typedef uint16_t (*event_tx_adapter_enqueue_same_dest)(void *port,
+               struct rte_event ev[], uint16_t nb_events);
+/**< @internal Enqueue burst of events on port of a device supporting
+ * burst having same destination Ethernet port & Tx queue.
+ */
+
 #define RTE_EVENTDEV_NAME_MAX_LEN      (64)
 /**< @internal Max length of name of event PMD */
 
@@ -1292,6 +1298,10 @@ struct rte_eventdev {
        /**< Pointer to PMD dequeue function. */
        event_dequeue_burst_t dequeue_burst;
        /**< Pointer to PMD dequeue burst function. */
+       event_tx_adapter_enqueue_same_dest txa_enqueue_same_dest;
+       /**< Pointer to PMD eth Tx adapter burst enqueue function with
+        * events destined to same Eth port & Tx queue.
+        */
        event_tx_adapter_enqueue txa_enqueue;
        /**< Pointer to PMD eth Tx adapter enqueue function. */
        struct rte_eventdev_data *data;
@@ -1318,12 +1328,12 @@ __rte_event_enqueue_burst(uint8_t dev_id, uint8_t port_id,
 
 #ifdef RTE_LIBRTE_EVENTDEV_DEBUG
        if (dev_id >= RTE_EVENT_MAX_DEVS || !rte_eventdevs[dev_id].attached) {
-               rte_errno = -EINVAL;
+               rte_errno = EINVAL;
                return 0;
        }
 
        if (port_id >= dev->data->nb_ports) {
-               rte_errno = -EINVAL;
+               rte_errno = EINVAL;
                return 0;
        }
 #endif
@@ -1372,10 +1382,10 @@ __rte_event_enqueue_burst(uint8_t dev_id, uint8_t port_id,
  *   *rte_event*. If the return value is less than *nb_events*, the remaining
  *   events at the end of ev[] are not consumed and the caller has to take care
  *   of them, and rte_errno is set accordingly. Possible errno values include:
- *   - -EINVAL  The port ID is invalid, device ID is invalid, an event's queue
+ *   - EINVAL   The port ID is invalid, device ID is invalid, an event's queue
  *              ID is invalid, or an event's sched type doesn't match the
  *              capabilities of the destination queue.
- *   - -ENOSPC  The event port was backpressured and unable to enqueue
+ *   - ENOSPC   The event port was backpressured and unable to enqueue
  *              one or more events. This error code is only applicable to
  *              closed systems.
  * @see rte_event_port_attr_get(), RTE_EVENT_PORT_ATTR_ENQ_DEPTH
@@ -1422,10 +1432,10 @@ rte_event_enqueue_burst(uint8_t dev_id, uint8_t port_id,
  *   *rte_event*. If the return value is less than *nb_events*, the remaining
  *   events at the end of ev[] are not consumed and the caller has to take care
  *   of them, and rte_errno is set accordingly. Possible errno values include:
- *   - -EINVAL  The port ID is invalid, device ID is invalid, an event's queue
+ *   - EINVAL   The port ID is invalid, device ID is invalid, an event's queue
  *              ID is invalid, or an event's sched type doesn't match the
  *              capabilities of the destination queue.
- *   - -ENOSPC  The event port was backpressured and unable to enqueue
+ *   - ENOSPC   The event port was backpressured and unable to enqueue
  *              one or more events. This error code is only applicable to
  *              closed systems.
  * @see rte_event_port_attr_get(), RTE_EVENT_PORT_ATTR_ENQ_DEPTH
@@ -1473,10 +1483,10 @@ rte_event_enqueue_new_burst(uint8_t dev_id, uint8_t port_id,
  *   *rte_event*. If the return value is less than *nb_events*, the remaining
  *   events at the end of ev[] are not consumed and the caller has to take care
  *   of them, and rte_errno is set accordingly. Possible errno values include:
- *   - -EINVAL  The port ID is invalid, device ID is invalid, an event's queue
+ *   - EINVAL   The port ID is invalid, device ID is invalid, an event's queue
  *              ID is invalid, or an event's sched type doesn't match the
  *              capabilities of the destination queue.
- *   - -ENOSPC  The event port was backpressured and unable to enqueue
+ *   - ENOSPC   The event port was backpressured and unable to enqueue
  *              one or more events. This error code is only applicable to
  *              closed systems.
  * @see rte_event_port_attr_get(), RTE_EVENT_PORT_ATTR_ENQ_DEPTH
@@ -1595,12 +1605,12 @@ rte_event_dequeue_burst(uint8_t dev_id, uint8_t port_id, struct rte_event ev[],
 
 #ifdef RTE_LIBRTE_EVENTDEV_DEBUG
        if (dev_id >= RTE_EVENT_MAX_DEVS || !rte_eventdevs[dev_id].attached) {
-               rte_errno = -EINVAL;
+               rte_errno = EINVAL;
                return 0;
        }
 
        if (port_id >= dev->data->nb_ports) {
-               rte_errno = -EINVAL;
+               rte_errno = EINVAL;
                return 0;
        }
 #endif
@@ -1673,9 +1683,9 @@ rte_event_dequeue_burst(uint8_t dev_id, uint8_t port_id, struct rte_event ev[],
  * of link[] are not established, and the caller has to take care of them.
  * If return value is less than *nb_links* then implementation shall update the
  * rte_errno accordingly, Possible rte_errno values are
- * (-EDQUOT) Quota exceeded(Application tried to link the queue configured with
+ * (EDQUOT) Quota exceeded(Application tried to link the queue configured with
  *  RTE_EVENT_QUEUE_CFG_SINGLE_LINK to more than one event ports)
- * (-EINVAL) Invalid parameter
+ * (EINVAL) Invalid parameter
  *
  */
 int
@@ -1720,7 +1730,7 @@ rte_event_port_link(uint8_t dev_id, uint8_t port_id,
  * end of queues[] are not unlinked, and the caller has to take care of them.
  * If return value is less than *nb_unlinks* then implementation shall update
  * the rte_errno accordingly, Possible rte_errno values are
- * (-EINVAL) Invalid parameter
+ * (EINVAL) Invalid parameter
  */
 int
 rte_event_port_unlink(uint8_t dev_id, uint8_t port_id,