Re: [dpdk-dev] [PATCH v5 2/8] eventdev: introduce event vector Rx capability

[Pavan Nikhilesh Bhagavatula <pbhagavatula@marvell.com>]

>> From: pbhagavatula@marvell.com <pbhagavatula@marvell.com>
>> Sent: Wednesday, March 24, 2021 10:35 AM
>> To: jerinj@marvell.com; Jayatheerthan, Jay
><jay.jayatheerthan@intel.com>; Carrillo, Erik G
><erik.g.carrillo@intel.com>; Gujjar,
>> Abhinandan S <abhinandan.gujjar@intel.com>; McDaniel, Timothy
><timothy.mcdaniel@intel.com>; hemant.agrawal@nxp.com; Van
>> Haaren, Harry <harry.van.haaren@intel.com>; mattias.ronnblom
><mattias.ronnblom@ericsson.com>; Ma, Liang J
>> <liang.j.ma@intel.com>; Ray Kinsella <mdr@ashroe.eu>; Neil Horman
><nhorman@tuxdriver.com>
>> Cc: dev@dpdk.org; Pavan Nikhilesh <pbhagavatula@marvell.com>
>> Subject: [dpdk-dev] [PATCH v5 2/8] eventdev: introduce event vector
>Rx capability
>>
>> From: Pavan Nikhilesh <pbhagavatula@marvell.com>
>>
>> Introduce event ethernet Rx adapter event vector capability.
>>
>> If an event eth Rx adapter has the capability of
>> RTE_EVENT_ETH_RX_ADAPTER_CAP_EVENT_VECTOR then a given Rx
>queue
>> can be configured to enable event vectorization by passing the
>> flag RTE_EVENT_ETH_RX_ADAPTER_QUEUE_EVENT_VECTOR to
>> rte_event_eth_rx_adapter_queue_conf::rx_queue_flags while
>configuring
>> Rx adapter through rte_event_eth_rx_adapter_queue_add().
>>
>> The max vector size, vector timeout define the vector size and
>> mempool used for allocating vector event are configured through
>> rte_event_eth_rx_adapter_queue_add. The element size of the
>element
>> in the vector pool should be equal to
>>     sizeof(struct rte_event_vector) + (vector_sz * sizeof(uintptr_t))
>>
>> Application can use `rte_event_vector_pool_create` to create the
>> vector mempool used for
>> rte_event_eth_rx_adapter_queue_conf::vector_mp.
>>
>> The Rx adapter would be responsible for vectorizing the mbufs
>> based on the flow, the vector limits configured by the application
>> and add the vector event of mbufs to the event queue set via
>> rte_event_eth_rx_adapter_queue_conf::ev::queue_id.
>> It should also mark rte_event_vector::union_valid and fill
>> rte_event_vector::port, rte_event_vector::queue.
>>
>> Signed-off-by: Pavan Nikhilesh <pbhagavatula@marvell.com>
>> Acked-by: Jerin Jacob <jerinj@marvell.com>
>> ---
>>  .../prog_guide/event_ethernet_rx_adapter.rst  |  38 ++++++
>>  lib/librte_eventdev/eventdev_pmd.h            |  53 ++++++++
>>  .../rte_event_eth_rx_adapter.c                | 114 ++++++++++++++++++
>>  .../rte_event_eth_rx_adapter.h                | 105 ++++++++++++++++
>>  lib/librte_eventdev/rte_eventdev.h            |  30 ++++-
>>  lib/librte_eventdev/version.map               |   2 +
>>  6 files changed, 340 insertions(+), 2 deletions(-)
>>
>> diff --git a/doc/guides/prog_guide/event_ethernet_rx_adapter.rst
>b/doc/guides/prog_guide/event_ethernet_rx_adapter.rst
>> index cb44ce0e4..5eefef355 100644
>> --- a/doc/guides/prog_guide/event_ethernet_rx_adapter.rst
>> +++ b/doc/guides/prog_guide/event_ethernet_rx_adapter.rst
>> @@ -186,3 +186,41 @@ the event buffer fill level is low. The
>>  ``rte_event_eth_rx_adapter_cb_register()`` function allow the
>application
>>  to register a callback that selects which packets to enqueue to the
>event
>>  device.
>> +
>> +Rx event vectorization
>> +~~~~~~~~~~~~~~~~~~~~~~
>> +
>> +The event devices, ethernet device pairs which support the capability
>> +``RTE_EVENT_ETH_RX_ADAPTER_CAP_EVENT_VECTOR`` can
>aggregate packets based on
>> +flow characteristics and generate a ``rte_event`` containing
>``rte_event_vector``
>> +whose event type is either ``RTE_EVENT_TYPE_ETHDEV_VECTOR`` or
>> +``RTE_EVENT_TYPE_ETH_RX_ADAPTER_VECTOR``.
>> +The aggregation size and timeout are configurable at a queue level
>and the
>> +maximum, minimum vector sizes and timeouts vary based on the
>device capability
>> +and can be queried using
>``rte_event_eth_rx_adapter_vector_limits_get``.
>> +The Rx adapter additionally might include useful data such as
>ethernet device
>> +port and queue identifier in the ``rte_event_vector::port`` and
>> +``rte_event_vector::queue`` and mark
>``rte_event_vector::attr_valid`` as true.
>> +
>> +A loop processing ``rte_event_vector`` containing mbufs is shown
>below.
>> +
>> +.. code-block:: c
>> +
>> +        event = rte_event_dequeue_burst(event_dev, event_port,
>&event,
>> +                                        1, 0);
>> +        if (!event)
>> +                continue;
>> +
>> +        switch (ev.event_type) {
>> +        case RTE_EVENT_TYPE_ETH_RX_ADAPTER_VECTOR:
>> +        case RTE_EVENT_TYPE_ETHDEV_VECTOR:
>> +                struct rte_mbufs **mbufs;
>> +
>> +                mbufs = (struct rte_mbufs **)ev[i].vec->mbufs;
>> +                for (i = 0; i < ev.vec->nb_elem; i++) {
>> +                        /* Process each mbuf. */
>> +                }
>> +        break;
>> +        case ...
>> +        ...
>> +        }
>> diff --git a/lib/librte_eventdev/eventdev_pmd.h
>b/lib/librte_eventdev/eventdev_pmd.h
>> index 7eb9a7739..9297f1433 100644
>> --- a/lib/librte_eventdev/eventdev_pmd.h
>> +++ b/lib/librte_eventdev/eventdev_pmd.h
>> @@ -645,6 +645,53 @@ typedef int
>(*eventdev_eth_rx_adapter_stats_reset)
>>   */
>>  typedef int (*eventdev_selftest)(void);
>>
>> +struct rte_event_eth_rx_adapter_vector_limits;
>> +/**
>> + * Get event vector limits for a given event, ethernet device pair.
>> + *
>> + * @param dev
>> + *   Event device pointer
>> + *
>> + * @param eth_dev
>> + *   Ethernet device pointer
>> + *
>> + * @param[out] limits
>> + *   Pointer to the limits structure to be filled.
>> + *
>> + * @return
>> + *   - 0: Success.
>> + *   - <0: Error code returned by the driver function.
>> + */
>> +typedef int (*eventdev_eth_rx_adapter_vector_limits_get_t)(
>> +	const struct rte_eventdev *dev, const struct rte_eth_dev
>*eth_dev,
>> +	struct rte_event_eth_rx_adapter_vector_limits *limits);
>> +
>> +struct rte_event_eth_rx_adapter_event_vector_config;
>> +/**
>> + * Enable event vector on an given Rx queue of a ethernet devices
>belonging to
>> + * the Rx adapter.
>> + *
>> + * @param dev
>> + *   Event device pointer
>> + *
>> + * @param eth_dev
>> + *   Ethernet device pointer
>> + *
>> + * @param rx_queue_id
>> + *   The Rx queue identifier
>> + *
>> + * @param config
>> + *   Pointer to the event vector configuration structure.
>> + *
>> + * @return
>> + *   - 0: Success.
>> + *   - <0: Error code returned by the driver function.
>> + */
>> +typedef int (*eventdev_eth_rx_adapter_event_vector_config_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_event_vector_config
>*config);
>> +
>>  typedef uint32_t rte_event_pmd_selftest_seqn_t;
>>  extern int rte_event_pmd_selftest_seqn_dynfield_offset;
>>
>> @@ -1067,6 +1114,12 @@ struct rte_eventdev_ops {
>>  	/**< Get ethernet Rx stats */
>>  	eventdev_eth_rx_adapter_stats_reset
>eth_rx_adapter_stats_reset;
>>  	/**< Reset ethernet Rx stats */
>> +	eventdev_eth_rx_adapter_vector_limits_get_t
>> +		eth_rx_adapter_vector_limits_get;
>> +	/**< Get event vector limits for the Rx adapter */
>> +	eventdev_eth_rx_adapter_event_vector_config_t
>> +		eth_rx_adapter_event_vector_config;
>> +	/**< Configure Rx adapter with event vector */
>>
>>  	eventdev_timer_adapter_caps_get_t timer_adapter_caps_get;
>>  	/**< Get timer adapter capabilities */
>> diff --git a/lib/librte_eventdev/rte_event_eth_rx_adapter.c
>b/lib/librte_eventdev/rte_event_eth_rx_adapter.c
>> index d8c635e99..ac8ba5bf0 100644
>> --- a/lib/librte_eventdev/rte_event_eth_rx_adapter.c
>> +++ b/lib/librte_eventdev/rte_event_eth_rx_adapter.c
>> @@ -2263,6 +2263,120 @@
>rte_event_eth_rx_adapter_queue_del(uint8_t id, uint16_t eth_dev_id,
>>  	return ret;
>>  }
>>
>> +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)
>> +{
>> +	struct rte_event_eth_rx_adapter_vector_limits limits;
>> +	struct rte_event_eth_rx_adapter *rx_adapter;
>> +	struct rte_eventdev *dev;
>> +	uint32_t cap;
>> +	int ret;
>> +
>> +	RTE_EVENT_ETH_RX_ADAPTER_ID_VALID_OR_ERR_RET(id, -
>EINVAL);
>> +	RTE_ETH_VALID_PORTID_OR_ERR_RET(eth_dev_id, -EINVAL);
>> +
>> +	rx_adapter = rxa_id_to_adapter(id);
>> +	if ((rx_adapter == NULL) || (config == 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_EVENT_VECTOR)) {
>> +		RTE_EDEV_LOG_ERR("Event vectorization is not
>supported,"
>> +				 " eth port: %" PRIu16 " adapter id: %"
>PRIu8,
>> +				 eth_dev_id, id);
>> +		return -EINVAL;
>> +	}
>> +
>> +	ret = rte_event_eth_rx_adapter_vector_limits_get(
>> +		rx_adapter->eventdev_id, eth_dev_id, &limits);
>> +	if (ret) {
>> +		RTE_EDEV_LOG_ERR("Failed to get vector limits edev
>%" PRIu8
>> +				 "eth port %" PRIu16,
>> +				 rx_adapter->eventdev_id, eth_dev_id);
>> +		return ret;
>> +	}
>> +
>> +	if (config->vector_sz < limits.min_sz ||
>> +	    config->vector_sz > limits.max_sz ||
>> +	    config->vector_timeout_ns < limits.min_timeout_ns ||
>> +	    config->vector_timeout_ns > limits.max_timeout_ns ||
>> +	    config->vector_mp == NULL) {
>> +		RTE_EDEV_LOG_ERR("Invalid event vector
>configuration,"
>> +				 " eth port: %" PRIu16 " adapter id: %"
>PRIu8,
>> +				 eth_dev_id, id);
>> +		return -EINVAL;
>> +	}
>> +	if (config->vector_mp->elt_size <
>> +	    (sizeof(struct rte_event_vector) +
>> +	     (sizeof(uintptr_t) * config->vector_sz))) {
>> +		RTE_EDEV_LOG_ERR("Invalid event vector
>configuration,"
>> +				 " eth port: %" PRIu16 " adapter id: %"
>PRIu8,
>> +				 eth_dev_id, id);
>> +		return -EINVAL;
>> +	}
>> +
>> +	if (cap &
>RTE_EVENT_ETH_RX_ADAPTER_CAP_INTERNAL_PORT) {
>> +		RTE_FUNC_PTR_OR_ERR_RET(
>> +			*dev->dev_ops-
>>eth_rx_adapter_event_vector_config,
>> +			-ENOTSUP);
>> +		ret = dev->dev_ops-
>>eth_rx_adapter_event_vector_config(
>> +			dev, &rte_eth_devices[eth_dev_id],
>rx_queue_id, config);
>> +	} else {
>> +		ret = -ENOTSUP;
>> +	}
>
>Trying to understand why non-INTERNAL_PORT based event device
>implementation returns ENOTSUP. Do you foresee any issues if such a
>device implements this function?
>

I just didn't want to move the implementation here as this patch is only 
Intended for spec.
The implementation for non-INTERNAL_PORT is in 4/8

>> +
>> +	return ret;
>> +}
>> +
>> +int
>> +rte_event_eth_rx_adapter_vector_limits_get(
>> +	uint8_t dev_id, uint16_t eth_port_id,
>> +	struct rte_event_eth_rx_adapter_vector_limits *limits)
>> +{
>> +	struct rte_eventdev *dev;
>> +	uint32_t cap;
>> +	int ret;
>> +
>> +	RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL);
>> +	RTE_ETH_VALID_PORTID_OR_ERR_RET(eth_port_id, -EINVAL);
>> +
>> +	if (limits == NULL)
>> +		return -EINVAL;
>> +
>> +	dev = &rte_eventdevs[dev_id];
>> +
>> +	ret = rte_event_eth_rx_adapter_caps_get(dev_id, eth_port_id,
>&cap);
>> +	if (ret) {
>> +		RTE_EDEV_LOG_ERR("Failed to get adapter caps edev
>%" PRIu8
>> +				 "eth port %" PRIu16,
>> +				 dev_id, eth_port_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_vector_limits_get,
>> +			-ENOTSUP);
>> +		ret = dev->dev_ops-
>>eth_rx_adapter_vector_limits_get(
>> +			dev, &rte_eth_devices[eth_port_id], limits);
>> +	} else {
>> +		ret = -ENOTSUP;
>> +	}
>> +
>
>Same here.
>
>> +	return ret;
>> +}
>> +
>>  int
>>  rte_event_eth_rx_adapter_start(uint8_t id)
>>  {
>> diff --git a/lib/librte_eventdev/rte_event_eth_rx_adapter.h
>b/lib/librte_eventdev/rte_event_eth_rx_adapter.h
>> index 21bb1e54c..7407cde00 100644
>> --- a/lib/librte_eventdev/rte_event_eth_rx_adapter.h
>> +++ b/lib/librte_eventdev/rte_event_eth_rx_adapter.h
>> @@ -92,6 +92,10 @@ extern "C" {
>>  /**< This flag indicates the flow identifier is valid
>>   * @see rte_event_eth_rx_adapter_queue_conf::rx_queue_flags
>>   */
>> +#define RTE_EVENT_ETH_RX_ADAPTER_QUEUE_EVENT_VECTOR
>	0x2
>> +/**< This flag indicates that mbufs arriving on the queue need to be
>vectorized
>> + * @see rte_event_eth_rx_adapter_queue_conf::rx_queue_flags
>> + */
>>
>>  /**
>>   * Adapter configuration structure that the adapter configuration
>callback
>> @@ -169,6 +173,36 @@ struct
>rte_event_eth_rx_adapter_queue_conf {
>>  	 */
>>  };
>>
>> +struct rte_event_eth_rx_adapter_event_vector_config {
>> +	uint16_t vector_sz;
>> +	/**<
>> +	 * Indicates the maximum number for mbufs to combine and
>form a vector.
>> +	 * Should be within
>> +	 * @see
>rte_event_eth_rx_adapter_vector_limits::min_vector_sz
>> +	 * @see
>rte_event_eth_rx_adapter_vector_limits::max_vector_sz
>> +	 * Valid when
>RTE_EVENT_ETH_RX_ADAPTER_QUEUE_EVENT_VECTOR flag is set in
>> +	 * @see
>rte_event_eth_rx_adapter_queue_conf::rx_queue_flags
>> +	 */
>> +	uint64_t vector_timeout_ns;
>> +	/**<
>> +	 * Indicates the maximum number of nanoseconds to wait for
>receiving
>> +	 * mbufs. Should be within vectorization limits of the
>> +	 * adapter
>> +	 * @see
>rte_event_eth_rx_adapter_vector_limits::min_vector_ns
>> +	 * @see
>rte_event_eth_rx_adapter_vector_limits::max_vector_ns
>> +	 * Valid when
>RTE_EVENT_ETH_RX_ADAPTER_QUEUE_EVENT_VECTOR flag is set in
>> +	 * @see
>rte_event_eth_rx_adapter_queue_conf::rx_queue_flags
>> +	 */
>> +	struct rte_mempool *vector_mp;
>> +	/**<
>> +	 * Indicates the mempool that should be used for allocating
>> +	 * rte_event_vector container.
>> +	 * Should be created by using `rte_event_vector_pool_create`.
>> +	 * Valid when
>RTE_EVENT_ETH_RX_ADAPTER_QUEUE_EVENT_VECTOR flag is set in
>> +	 * @see
>rte_event_eth_rx_adapter_queue_conf::rx_queue_flags.
>> +	 */
>> +};
>> +
>>  /**
>>   * A structure used to retrieve statistics for an eth rx adapter
>instance.
>>   */
>> @@ -199,6 +233,32 @@ struct rte_event_eth_rx_adapter_stats {
>>  	/**< Received packet count for interrupt mode Rx queues */
>>  };
>>
>> +/**
>> + * A structure used to retrieve eth rx adapter vector limits.
>> + */
>> +struct rte_event_eth_rx_adapter_vector_limits {
>> +	uint16_t min_sz;
>> +	/**< Minimum vector limit configurable.
>> +	 * @see
>rte_event_eth_rx_adapter_event_vector_config::vector_sz
>> +	 */
>> +	uint16_t max_sz;
>> +	/**< Maximum vector limit configurable.
>> +	 * @see
>rte_event_eth_rx_adapter_event_vector_config::vector_sz
>> +	 */
>> +	uint8_t log2_sz;
>> +	/**< True if the size configured should be in log2.
>> +	 * @see
>rte_event_eth_rx_adapter_event_vector_config::vector_sz
>> +	 */
>> +	uint64_t min_timeout_ns;
>> +	/**< Minimum vector timeout configurable.
>> +	 * @see
>rte_event_eth_rx_adapter_event_vector_config::vector_timeout_ns
>> +	 */
>> +	uint64_t max_timeout_ns;
>> +	/**< Maximum vector timeout configurable.
>> +	 * @see
>rte_event_eth_rx_adapter_event_vector_config::vector_timeout_ns
>> +	 */
>> +};
>> +
>>  /**
>>   *
>>   * Callback function invoked by the SW adapter before it continues
>> @@ -467,6 +527,51 @@ int
>rte_event_eth_rx_adapter_cb_register(uint8_t id, uint16_t eth_dev_id,
>>
>rte_event_eth_rx_adapter_cb_fn cb_fn,
>>  					 void *cb_arg);
>>
>> +/**
>> + * Retrieve vector limits for a given event dev and eth dev pair.
>> + * @see rte_event_eth_rx_adapter_vector_limits
>> + *
>> + * @param dev_id
>> + *  Event device identifier.
>> + * @param eth_port_id
>> + *  Port identifier of the ethernet device.
>> + * @param [out] limits
>> + *  A pointer to rte_event_eth_rx_adapter_vector_limits structure
>that has to
>> + * be filled.
>> + *
>> + * @return
>> + *  - 0: Success.
>> + *  - <0: Error code on failure.
>> + */
>> +__rte_experimental
>> +int rte_event_eth_rx_adapter_vector_limits_get(
>> +	uint8_t dev_id, uint16_t eth_port_id,
>> +	struct rte_event_eth_rx_adapter_vector_limits *limits);
>> +
>> +/**
>> + * Configure event vectorization for a given ethernet device queue,
>that has
>> + * been added to a event eth Rx adapter.
>> + *
>> + * @param id
>> + *  The identifier of the ethernet Rx event adapter.
>> + *
>> + * @param eth_dev_id
>> + *  The identifier of the ethernet device.
>> + *
>> + * @param rx_queue_id
>> + *  Ethernet device receive queue index.
>> + *  If rx_queue_id is -1, then all Rx queues configured for the
>ethernet device
>> + *  are configured with event vectorization.
>> + *
>> + * @return
>> + *  - 0: Success, Receive queue configured correctly.
>> + *  - <0: Error code on failure.
>> + */
>> +__rte_experimental
>> +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);
>> +
>>  #ifdef __cplusplus
>>  }
>>  #endif
>> diff --git a/lib/librte_eventdev/rte_eventdev.h
>b/lib/librte_eventdev/rte_eventdev.h
>> index aa4dd3959..678338247 100644
>> --- a/lib/librte_eventdev/rte_eventdev.h
>> +++ b/lib/librte_eventdev/rte_eventdev.h
>> @@ -919,10 +919,28 @@ rte_event_dev_close(uint8_t dev_id);
>>   * Event vector structure.
>>   */
>>  struct rte_event_vector {
>> -	uint64_t nb_elem : 16;
>> +	uint16_t nb_elem;
>>  	/**< Number of elements in this event vector. */
>> -	uint64_t rsvd : 48;
>> +	uint16_t rsvd : 15;
>>  	/**< Reserved for future use */
>> +	uint16_t attr_valid : 1;
>> +	/**< Indicates that the below union attributes have valid
>information.
>> +	 */
>> +	union {
>> +		/* Used by Rx adapter.
>> +		 * Indicates that all the elements in this vector belong to
>the
>> +		 * same port and queue pair when originating from Rx
>adapter,
>> +		 * valid only when event type is ETHDEV_VECTOR or
>> +		 * ETH_RX_ADAPTER_VECTOR.
>> +		 */
>> +		struct {
>> +			uint16_t port;
>> +			/* Ethernet device port id. */
>> +			uint16_t queue;
>> +			/* Ethernet device queue id. */
>> +		};
>> +	};
>> +	/**< Union to hold common attributes of the vector array. */
>>  	uint64_t impl_opaque;
>>  	/**< Implementation specific opaque value.
>>  	 * An implementation may use this field to hold implementation
>specific
>> @@ -1025,8 +1043,14 @@ struct rte_event_vector {
>>   *		// Classify and handle event.
>>   *	}
>>   */
>> +#define RTE_EVENT_TYPE_ETHDEV_VECTOR
>\
>> +	(RTE_EVENT_TYPE_VECTOR | RTE_EVENT_TYPE_ETHDEV)
>> +/**< The event vector generated from ethdev subsystem */
>>  #define RTE_EVENT_TYPE_CPU_VECTOR (RTE_EVENT_TYPE_VECTOR
>| RTE_EVENT_TYPE_CPU)
>>  /**< The event vector generated from cpu for pipelining. */
>> +#define RTE_EVENT_TYPE_ETH_RX_ADAPTER_VECTOR
>\
>> +	(RTE_EVENT_TYPE_VECTOR |
>RTE_EVENT_TYPE_ETH_RX_ADAPTER)
>> +/**< The event vector generated from eth Rx adapter. */
>>
>>  #define RTE_EVENT_TYPE_MAX              0x10
>>  /**< Maximum number of event types */
>> @@ -1171,6 +1195,8 @@ struct rte_event {
>>   * @see struct rte_event_eth_rx_adapter_queue_conf::ev
>>   * @see struct
>rte_event_eth_rx_adapter_queue_conf::rx_queue_flags
>>   */
>> +#define RTE_EVENT_ETH_RX_ADAPTER_CAP_EVENT_VECTOR
>	0x8
>> +/**< Adapter supports event vectorization per ethdev. */
>>
>>  /**
>>   * Retrieve the event device's ethdev Rx adapter capabilities for the
>> diff --git a/lib/librte_eventdev/version.map
>b/lib/librte_eventdev/version.map
>> index a070ef56e..902df0ae3 100644
>> --- a/lib/librte_eventdev/version.map
>> +++ b/lib/librte_eventdev/version.map
>> @@ -141,6 +141,8 @@ EXPERIMENTAL {
>>
>>  	#added in 21.05
>>  	rte_event_vector_pool_create;
>> +	rte_event_eth_rx_adapter_vector_limits_get;
>> +	rte_event_eth_rx_adapter_queue_event_vector_config;
>>  };
>>
>>  INTERNAL {
>> --
>> 2.17.1
>
>More of informational queries.
>
>Acked-by: Jay Jayatheerthan <jay.jayatheerthan@intel.com>