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eventdev: add PMD callbacks for eth Rx adapter

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The PMD callbacks are used by the rte_event_eth_rx_xxx() APIs to
configure and control the ethernet receive adapter if packet transfers
from the ethdev to eventdev is implemented in hardware.

Signed-off-by: Nikhil Rao <nikhil.rao@intel.com>
Acked-by: Jerin Jacob <jerin.jacob@caviumnetworks.com>
This commit is contained in:
Nikhil Rao 2017-10-11 03:51:32 +05:30 committed by Jerin Jacob
parent 2b5c7409ec
commit b1ce8ebd97
1 changed files with 145 additions and 0 deletions
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145
lib/librte_eventdev/rte_eventdev_pmd.h
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@ -455,6 +455,139 @@ typedef int (*eventdev_eth_rx_adapter_caps_get_t)
(const struct rte_eventdev *dev,
const struct rte_eth_dev *eth_dev,
uint32_t *caps);
struct rte_event_eth_rx_adapter_queue_conf *queue_conf;
/**
* Add ethernet Rx queues to event device. This callback is invoked if
* the caps returned from rte_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 queue_conf
* Additonal configuration structure
* @return
* - 0: Success, ethernet receive queue added successfully.
* - <0: Error code returned by the driver function.
*
*/
typedef int (*eventdev_eth_rx_adapter_queue_add_t)(
const struct rte_eventdev *dev,
const struct rte_eth_dev *eth_dev,
int32_t rx_queue_id,
const struct rte_event_eth_rx_adapter_queue_conf *queue_conf);
/**
* Delete ethernet Rx queues from event device. This callback is invoked if
* the caps returned from 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
*
* @return
* - 0: Success, ethernet receive queue deleted successfully.
* - <0: Error code returned by the driver function.
*
*/
typedef int (*eventdev_eth_rx_adapter_queue_del_t)
(const struct rte_eventdev *dev,
const struct rte_eth_dev *eth_dev,
int32_t rx_queue_id);
/**
* Start ethernet Rx adapter. This callback is invoked if
* the caps returned from eventdev_eth_rx_adapter_caps_get(.., eth_port_id)
* has RTE_EVENT_ETH_RX_ADAPTER_CAP_INTERNAL_PORT set and Rx queues
* from eth_port_id have been added to the event device.
*
* @param dev
* Event device pointer
*
* @param eth_dev
* Ethernet device pointer
*
* @return
* - 0: Success, ethernet Rx adapter started successfully.
* - <0: Error code returned by the driver function.
*/
typedef int (*eventdev_eth_rx_adapter_start_t)
(const struct rte_eventdev *dev,
const struct rte_eth_dev *eth_dev);
/**
* Stop ethernet Rx adapter. This callback is invoked if
* the caps returned from eventdev_eth_rx_adapter_caps_get(..,eth_port_id)
* has RTE_EVENT_ETH_RX_ADAPTER_CAP_INTERNAL_PORT set and Rx queues
* from eth_port_id have been added to the event device.
*
* @param dev
* Event device pointer
*
* @param eth_dev
* Ethernet device pointer
*
* @return
* - 0: Success, ethernet Rx adapter stopped successfully.
* - <0: Error code returned by the driver function.
*/
typedef int (*eventdev_eth_rx_adapter_stop_t)
(const struct rte_eventdev *dev,
const struct rte_eth_dev *eth_dev);
struct rte_event_eth_rx_adapter_stats *stats;
/**
* Retrieve ethernet Rx adapter statistics.
*
* @param dev
* Event device pointer
*
* @param eth_dev
* Ethernet device pointer
*
* @param[out] stats
* Pointer to stats structure
*
* @return
* Return 0 on success.
*/
typedef int (*eventdev_eth_rx_adapter_stats_get)
(const struct rte_eventdev *dev,
const struct rte_eth_dev *eth_dev,
struct rte_event_eth_rx_adapter_stats *stats);
/**
* Reset ethernet Rx adapter statistics.
*
* @param dev
* Event device pointer
*
* @param eth_dev
* Ethernet device pointer
*
* @return
* Return 0 on success.
*/
typedef int (*eventdev_eth_rx_adapter_stats_reset)
(const struct rte_eventdev *dev,
const struct rte_eth_dev *eth_dev);
/** Event device operations function pointer table */
struct rte_eventdev_ops {
eventdev_info_get_t dev_infos_get; /**< Get device info. */
@ -497,6 +630,18 @@ struct rte_eventdev_ops {
eventdev_eth_rx_adapter_caps_get_t eth_rx_adapter_caps_get;
/**< Get ethernet Rx adapter capabilities */
eventdev_eth_rx_adapter_queue_add_t eth_rx_adapter_queue_add;
/**< 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_start_t eth_rx_adapter_start;
/**< Start ethernet Rx adapter */
eventdev_eth_rx_adapter_stop_t eth_rx_adapter_stop;
/**< Stop ethernet Rx adapter */
eventdev_eth_rx_adapter_stats_get eth_rx_adapter_stats_get;
/**< Get ethernet Rx stats */
eventdev_eth_rx_adapter_stats_reset eth_rx_adapter_stats_reset;
/**< Reset ethernet Rx stats */
};
/**