[v12,1/6] eventdev/eth_rx: add adapter instance get API
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Commit Message
Added rte_event_eth_rx_adapter_instance_get() to get
adapter instance id for specified ethernet device id and
rx queue index.
Added rte_event_eth_rx_adapter_instance_get() details in
prog_guide/event_ethernet_rx_adapter.rst
Signed-off-by: Ganapati Kundapura <ganapati.kundapura@intel.com>
Reviewed-by: Naga Harish K S V <s.v.naga.harish.k@intel.com>
Acked-by: Jay Jayatheerthan <jay.jayatheerthan@intel.com>
---
V12:
* Squashed 1/7 and 6/7
* Squashed 4/7 and 7/7
* Updated 22.11.rst for the new APIs
v11:
* added instance_get under 22.11 in version.map
v10:
* Add Review and Ack to series
v9:
* Corrected rte_event_eth_tx_adapter_instanceget to
* rte_event_eth_tx_adapter_instance_get in event_ethernet_tx_adapter.rst
v8:
* Removed limits.h inclusion
v7:
* Remove allocation of instance array and storage of instnace id
* in instance array
* Use Rx adapter instance data to query instance id for specified
* eth_dev_id and rx_queue_id
v6:
* rx adapter changes removed from patch4 and moved to patch1
v5:
* patch is split into saperate patches
v4:
* Moved instance array allocation and instance id storage
before adapter's nb_queue updation for handling the
error case properly
v3:
* Fixed checkpatch error
v2:
* Fixed build issues
* Added telemetry support for rte_event_eth_rx_adapter_instance_get
* arranged functions in alphabetical order in version.map
Comments
On Mon, Aug 29, 2022 at 1:44 PM Ganapati Kundapura
<ganapati.kundapura@intel.com> wrote:
>
> Added rte_event_eth_rx_adapter_instance_get() to get
> adapter instance id for specified ethernet device id and
> rx queue index.
>
> Added rte_event_eth_rx_adapter_instance_get() details in
> prog_guide/event_ethernet_rx_adapter.rst
>
> Signed-off-by: Ganapati Kundapura <ganapati.kundapura@intel.com>
No need space between these lines
Will fix on apply.
>
> Reviewed-by: Naga Harish K S V <s.v.naga.harish.k@intel.com>
> Acked-by: Jay Jayatheerthan <jay.jayatheerthan@intel.com>
Acked-by: Jerin Jacob <jerinj@marvell.com>
>
> ---
> V12:
> * Squashed 1/7 and 6/7
> * Squashed 4/7 and 7/7
> * Updated 22.11.rst for the new APIs
>
> v11:
> * added instance_get under 22.11 in version.map
>
> v10:
> * Add Review and Ack to series
>
> v9:
> * Corrected rte_event_eth_tx_adapter_instanceget to
> * rte_event_eth_tx_adapter_instance_get in event_ethernet_tx_adapter.rst
>
> v8:
> * Removed limits.h inclusion
>
> v7:
> * Remove allocation of instance array and storage of instnace id
> * in instance array
> * Use Rx adapter instance data to query instance id for specified
> * eth_dev_id and rx_queue_id
>
> v6:
> * rx adapter changes removed from patch4 and moved to patch1
>
> v5:
> * patch is split into saperate patches
>
> v4:
> * Moved instance array allocation and instance id storage
> before adapter's nb_queue updation for handling the
> error case properly
>
> v3:
> * Fixed checkpatch error
>
> v2:
> * Fixed build issues
> * Added telemetry support for rte_event_eth_rx_adapter_instance_get
> * arranged functions in alphabetical order in version.map
>
> diff --git a/doc/guides/prog_guide/event_ethernet_rx_adapter.rst b/doc/guides/prog_guide/event_ethernet_rx_adapter.rst
> index 3b4ef50..5b9d0cf 100644
> --- a/doc/guides/prog_guide/event_ethernet_rx_adapter.rst
> +++ b/doc/guides/prog_guide/event_ethernet_rx_adapter.rst
> @@ -177,6 +177,12 @@ used otherwise it returns -EINVAL.
> The ``rte_event_eth_rx_adapter_queue_stats_reset`` function can be used to
> reset queue level stats when queue level event buffer is in use.
>
> +Getting Adapter instance id
> +~~~~~~~~~~~~~~~~~~~~~~~~~~~
> +
> +The ``rte_event_eth_rx_adapter_instance_get()`` function reports
> +rx adapter instance id for a specified ethernet device id and rx queue index.
> +
> Interrupt Based Rx Queues
> ~~~~~~~~~~~~~~~~~~~~~~~~~~
>
> diff --git a/lib/eventdev/eventdev_pmd.h b/lib/eventdev/eventdev_pmd.h
> index 6940266..c58ba05 100644
> --- a/lib/eventdev/eventdev_pmd.h
> +++ b/lib/eventdev/eventdev_pmd.h
> @@ -888,6 +888,26 @@ 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);
>
> +/**
> + * Get Rx adapter instance id for Rx queue
> + *
> + * @param eth_dev_id
> + * Port identifier of ethernet device
> + *
> + * @param rx_queue_id
> + * Ethernet device Rx queue index
> + *
> + * @param[out] rxa_inst_id
> + * Pointer to Rx adapter instance identifier.
> + * Contains valid Rx adapter instance id when return value is 0
> + *
> + * @return
> + * - 0: Success
> + * - <0: Error code on failure
> + */
> +typedef int (*eventdev_eth_rx_adapter_instance_get_t)
> + (uint16_t eth_dev_id, uint16_t rx_queue_id, uint8_t *rxa_inst_id);
> +
> typedef uint32_t rte_event_pmd_selftest_seqn_t;
> extern int rte_event_pmd_selftest_seqn_dynfield_offset;
>
> @@ -1321,6 +1341,8 @@ struct eventdev_ops {
> 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_instance_get_t eth_rx_adapter_instance_get;
> + /**< Get Rx adapter instance id for Rx queue */
>
> eventdev_timer_adapter_caps_get_t timer_adapter_caps_get;
> /**< Get timer adapter capabilities */
> diff --git a/lib/eventdev/rte_event_eth_rx_adapter.c b/lib/eventdev/rte_event_eth_rx_adapter.c
> index bf8741d..ababe13 100644
> --- a/lib/eventdev/rte_event_eth_rx_adapter.c
> +++ b/lib/eventdev/rte_event_eth_rx_adapter.c
> @@ -1415,15 +1415,13 @@ rxa_service_func(void *args)
> return 0;
> }
>
> -static int
> -rte_event_eth_rx_adapter_init(void)
> +static void *
> +rxa_memzone_array_get(const char *name, unsigned int elt_size, int nb_elems)
> {
> - const char *name = RXA_ADAPTER_ARRAY;
> const struct rte_memzone *mz;
> unsigned int sz;
>
> - sz = sizeof(*event_eth_rx_adapter) *
> - RTE_EVENT_ETH_RX_ADAPTER_MAX_INSTANCE;
> + sz = elt_size * nb_elems;
> sz = RTE_ALIGN(sz, RTE_CACHE_LINE_SIZE);
>
> mz = rte_memzone_lookup(name);
> @@ -1431,13 +1429,34 @@ rte_event_eth_rx_adapter_init(void)
> mz = rte_memzone_reserve_aligned(name, sz, rte_socket_id(), 0,
> RTE_CACHE_LINE_SIZE);
> if (mz == NULL) {
> - RTE_EDEV_LOG_ERR("failed to reserve memzone err = %"
> - PRId32, rte_errno);
> - return -rte_errno;
> + RTE_EDEV_LOG_ERR("failed to reserve memzone"
> + " name = %s, err = %"
> + PRId32, name, rte_errno);
> + return NULL;
> }
> }
>
> - event_eth_rx_adapter = mz->addr;
> + return mz->addr;
> +}
> +
> +static int
> +rte_event_eth_rx_adapter_init(void)
> +{
> + uint8_t i;
> +
> + if (event_eth_rx_adapter == NULL) {
> + event_eth_rx_adapter =
> + rxa_memzone_array_get(RXA_ADAPTER_ARRAY,
> + sizeof(*event_eth_rx_adapter),
> + RTE_EVENT_ETH_RX_ADAPTER_MAX_INSTANCE);
> + if (event_eth_rx_adapter == NULL)
> + return -ENOMEM;
> +
> + for (i = 0; i < RTE_EVENT_ETH_RX_ADAPTER_MAX_INSTANCE; i++)
> + event_eth_rx_adapter[i] = NULL;
> +
> + }
> +
> return 0;
> }
>
> @@ -1450,6 +1469,7 @@ rxa_memzone_lookup(void)
> mz = rte_memzone_lookup(RXA_ADAPTER_ARRAY);
> if (mz == NULL)
> return -ENOMEM;
> +
> event_eth_rx_adapter = mz->addr;
> }
>
> @@ -1951,7 +1971,6 @@ rxa_sw_del(struct event_eth_rx_adapter *rx_adapter,
> int intrq;
> int sintrq;
>
> -
> if (rx_adapter->nb_queues == 0)
> return;
>
> @@ -2524,6 +2543,9 @@ rte_event_eth_rx_adapter_free(uint8_t id)
> {
> struct event_eth_rx_adapter *rx_adapter;
>
> + if (rxa_memzone_lookup())
> + return -ENOMEM;
> +
> RTE_EVENT_ETH_RX_ADAPTER_ID_VALID_OR_ERR_RET(id, -EINVAL);
>
> rx_adapter = rxa_id_to_adapter(id);
> @@ -2561,6 +2583,9 @@ rte_event_eth_rx_adapter_queue_add(uint8_t id,
> struct eth_device_info *dev_info;
> struct rte_event_eth_rx_adapter_vector_limits limits;
>
> + if (rxa_memzone_lookup())
> + return -ENOMEM;
> +
> RTE_EVENT_ETH_RX_ADAPTER_ID_VALID_OR_ERR_RET(id, -EINVAL);
> RTE_ETH_VALID_PORTID_OR_ERR_RET(eth_dev_id, -EINVAL);
>
> @@ -2726,6 +2751,9 @@ rte_event_eth_rx_adapter_queue_del(uint8_t id, uint16_t eth_dev_id,
> uint32_t *rx_wrr = NULL;
> int num_intr_vec;
>
> + if (rxa_memzone_lookup())
> + return -ENOMEM;
> +
> RTE_EVENT_ETH_RX_ADAPTER_ID_VALID_OR_ERR_RET(id, -EINVAL);
> RTE_ETH_VALID_PORTID_OR_ERR_RET(eth_dev_id, -EINVAL);
>
> @@ -2832,6 +2860,7 @@ rte_event_eth_rx_adapter_queue_del(uint8_t id, uint16_t eth_dev_id,
>
> rte_eventdev_trace_eth_rx_adapter_queue_del(id, eth_dev_id,
> rx_queue_id, ret);
> +
> return ret;
> }
>
> @@ -3286,6 +3315,97 @@ rte_event_eth_rx_adapter_queue_conf_get(uint8_t id,
> return 0;
> }
>
> +static int
> +rxa_is_queue_added(struct event_eth_rx_adapter *rx_adapter,
> + uint16_t eth_dev_id,
> + uint16_t rx_queue_id)
> +{
> + struct eth_device_info *dev_info;
> + struct eth_rx_queue_info *queue_info;
> +
> + if (!rx_adapter->eth_devices)
> + return 0;
> +
> + dev_info = &rx_adapter->eth_devices[eth_dev_id];
> + if (!dev_info || !dev_info->rx_queue)
> + return 0;
> +
> + queue_info = &dev_info->rx_queue[rx_queue_id];
> +
> + return queue_info && queue_info->queue_enabled;
> +}
> +
> +#define rxa_evdev(rx_adapter) (&rte_eventdevs[(rx_adapter)->eventdev_id])
> +
> +#define rxa_dev_instance_get(rx_adapter) \
> + rxa_evdev((rx_adapter))->dev_ops->eth_rx_adapter_instance_get
> +
> +int
> +rte_event_eth_rx_adapter_instance_get(uint16_t eth_dev_id,
> + uint16_t rx_queue_id,
> + uint8_t *rxa_inst_id)
> +{
> + uint8_t id;
> + int ret = -EINVAL;
> + uint32_t caps;
> + struct event_eth_rx_adapter *rx_adapter;
> +
> + if (rxa_memzone_lookup())
> + return -ENOMEM;
> +
> + if (eth_dev_id >= rte_eth_dev_count_avail()) {
> + RTE_EDEV_LOG_ERR("Invalid ethernet port id %u", eth_dev_id);
> + return -EINVAL;
> + }
> +
> + if (rx_queue_id >= rte_eth_devices[eth_dev_id].data->nb_rx_queues) {
> + RTE_EDEV_LOG_ERR("Invalid Rx queue %u", rx_queue_id);
> + return -EINVAL;
> + }
> +
> + if (rxa_inst_id == NULL) {
> + RTE_EDEV_LOG_ERR("rxa_inst_id cannot be NULL");
> + return -EINVAL;
> + }
> +
> + /* Iterate through all adapter instances */
> + for (id = 0; id < RTE_EVENT_ETH_RX_ADAPTER_MAX_INSTANCE; id++) {
> + rx_adapter = rxa_id_to_adapter(id);
> + if (!rx_adapter)
> + continue;
> +
> + if (rxa_is_queue_added(rx_adapter, eth_dev_id, rx_queue_id)) {
> + *rxa_inst_id = rx_adapter->id;
> + ret = 0;
> + }
> +
> + /* Rx adapter internally mainatains queue information
> + * for both internal port and DPDK service port.
> + * Eventdev PMD callback is called for future proof only and
> + * overrides the above return value if defined.
> + */
> + caps = 0;
> + if (!rte_event_eth_rx_adapter_caps_get(rx_adapter->eventdev_id,
> + eth_dev_id,
> + &caps)) {
> + if (caps & RTE_EVENT_ETH_RX_ADAPTER_CAP_INTERNAL_PORT) {
> + ret = rxa_dev_instance_get(rx_adapter) ?
> + rxa_dev_instance_get(rx_adapter)
> + (eth_dev_id,
> + rx_queue_id,
> + rxa_inst_id)
> + : -EINVAL;
> + }
> + }
> +
> + /* return if entry found */
> + if (ret == 0)
> + return ret;
> + }
> +
> + return -EINVAL;
> +}
> +
> #define RXA_ADD_DICT(stats, s) rte_tel_data_add_dict_u64(d, #s, stats.s)
>
> static int
> diff --git a/lib/eventdev/rte_event_eth_rx_adapter.h b/lib/eventdev/rte_event_eth_rx_adapter.h
> index 3608a7b..a3313c8 100644
> --- a/lib/eventdev/rte_event_eth_rx_adapter.h
> +++ b/lib/eventdev/rte_event_eth_rx_adapter.h
> @@ -38,6 +38,7 @@
> * - rte_event_eth_rx_adapter_queue_stats_get()
> * - rte_event_eth_rx_adapter_queue_stats_reset()
> * - rte_event_eth_rx_adapter_event_port_get()
> + * - rte_event_eth_rx_adapter_instance_get()
> *
> * The application creates an ethernet to event adapter using
> * rte_event_eth_rx_adapter_create_ext() or rte_event_eth_rx_adapter_create()
> @@ -704,6 +705,29 @@ __rte_experimental
> int
> rte_event_eth_rx_adapter_event_port_get(uint8_t id, uint8_t *event_port_id);
>
> +/**
> + * Get RX adapter instance ID for a RX queue
> + *
> + * @param eth_dev_id
> + * Port identifier of Ethernet device.
> + *
> + * @param rx_queue_id
> + * Ethernet device receive queue index.
> + *
> + * @param[out] rxa_inst_id
> + * Pointer to store RX adapter instance identifier.
> + * Contains valid Rx adapter instance id when return value is 0
> + *
> + * @return
> + * - 0: Success
> + * - <0: Error code on failure
> + */
> +__rte_experimental
> +int
> +rte_event_eth_rx_adapter_instance_get(uint16_t eth_dev_id,
> + uint16_t rx_queue_id,
> + uint8_t *rxa_inst_id);
> +
> #ifdef __cplusplus
> }
> #endif
> diff --git a/lib/eventdev/version.map b/lib/eventdev/version.map
> index d99f996..0066187 100644
> --- a/lib/eventdev/version.map
> +++ b/lib/eventdev/version.map
> @@ -112,6 +112,9 @@ EXPERIMENTAL {
> # added in 22.07
> rte_event_port_quiesce;
> rte_event_queue_attr_set;
> +
> + # added in 22.11
> + rte_event_eth_rx_adapter_instance_get;
> };
>
> INTERNAL {
> --
> 2.6.4
>
@@ -177,6 +177,12 @@ used otherwise it returns -EINVAL.
The ``rte_event_eth_rx_adapter_queue_stats_reset`` function can be used to
reset queue level stats when queue level event buffer is in use.
+Getting Adapter instance id
+~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+The ``rte_event_eth_rx_adapter_instance_get()`` function reports
+rx adapter instance id for a specified ethernet device id and rx queue index.
+
Interrupt Based Rx Queues
~~~~~~~~~~~~~~~~~~~~~~~~~~
@@ -888,6 +888,26 @@ 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);
+/**
+ * Get Rx adapter instance id for Rx queue
+ *
+ * @param eth_dev_id
+ * Port identifier of ethernet device
+ *
+ * @param rx_queue_id
+ * Ethernet device Rx queue index
+ *
+ * @param[out] rxa_inst_id
+ * Pointer to Rx adapter instance identifier.
+ * Contains valid Rx adapter instance id when return value is 0
+ *
+ * @return
+ * - 0: Success
+ * - <0: Error code on failure
+ */
+typedef int (*eventdev_eth_rx_adapter_instance_get_t)
+ (uint16_t eth_dev_id, uint16_t rx_queue_id, uint8_t *rxa_inst_id);
+
typedef uint32_t rte_event_pmd_selftest_seqn_t;
extern int rte_event_pmd_selftest_seqn_dynfield_offset;
@@ -1321,6 +1341,8 @@ struct eventdev_ops {
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_instance_get_t eth_rx_adapter_instance_get;
+ /**< Get Rx adapter instance id for Rx queue */
eventdev_timer_adapter_caps_get_t timer_adapter_caps_get;
/**< Get timer adapter capabilities */
@@ -1415,15 +1415,13 @@ rxa_service_func(void *args)
return 0;
}
-static int
-rte_event_eth_rx_adapter_init(void)
+static void *
+rxa_memzone_array_get(const char *name, unsigned int elt_size, int nb_elems)
{
- const char *name = RXA_ADAPTER_ARRAY;
const struct rte_memzone *mz;
unsigned int sz;
- sz = sizeof(*event_eth_rx_adapter) *
- RTE_EVENT_ETH_RX_ADAPTER_MAX_INSTANCE;
+ sz = elt_size * nb_elems;
sz = RTE_ALIGN(sz, RTE_CACHE_LINE_SIZE);
mz = rte_memzone_lookup(name);
@@ -1431,13 +1429,34 @@ rte_event_eth_rx_adapter_init(void)
mz = rte_memzone_reserve_aligned(name, sz, rte_socket_id(), 0,
RTE_CACHE_LINE_SIZE);
if (mz == NULL) {
- RTE_EDEV_LOG_ERR("failed to reserve memzone err = %"
- PRId32, rte_errno);
- return -rte_errno;
+ RTE_EDEV_LOG_ERR("failed to reserve memzone"
+ " name = %s, err = %"
+ PRId32, name, rte_errno);
+ return NULL;
}
}
- event_eth_rx_adapter = mz->addr;
+ return mz->addr;
+}
+
+static int
+rte_event_eth_rx_adapter_init(void)
+{
+ uint8_t i;
+
+ if (event_eth_rx_adapter == NULL) {
+ event_eth_rx_adapter =
+ rxa_memzone_array_get(RXA_ADAPTER_ARRAY,
+ sizeof(*event_eth_rx_adapter),
+ RTE_EVENT_ETH_RX_ADAPTER_MAX_INSTANCE);
+ if (event_eth_rx_adapter == NULL)
+ return -ENOMEM;
+
+ for (i = 0; i < RTE_EVENT_ETH_RX_ADAPTER_MAX_INSTANCE; i++)
+ event_eth_rx_adapter[i] = NULL;
+
+ }
+
return 0;
}
@@ -1450,6 +1469,7 @@ rxa_memzone_lookup(void)
mz = rte_memzone_lookup(RXA_ADAPTER_ARRAY);
if (mz == NULL)
return -ENOMEM;
+
event_eth_rx_adapter = mz->addr;
}
@@ -1951,7 +1971,6 @@ rxa_sw_del(struct event_eth_rx_adapter *rx_adapter,
int intrq;
int sintrq;
-
if (rx_adapter->nb_queues == 0)
return;
@@ -2524,6 +2543,9 @@ rte_event_eth_rx_adapter_free(uint8_t id)
{
struct event_eth_rx_adapter *rx_adapter;
+ if (rxa_memzone_lookup())
+ return -ENOMEM;
+
RTE_EVENT_ETH_RX_ADAPTER_ID_VALID_OR_ERR_RET(id, -EINVAL);
rx_adapter = rxa_id_to_adapter(id);
@@ -2561,6 +2583,9 @@ rte_event_eth_rx_adapter_queue_add(uint8_t id,
struct eth_device_info *dev_info;
struct rte_event_eth_rx_adapter_vector_limits limits;
+ if (rxa_memzone_lookup())
+ return -ENOMEM;
+
RTE_EVENT_ETH_RX_ADAPTER_ID_VALID_OR_ERR_RET(id, -EINVAL);
RTE_ETH_VALID_PORTID_OR_ERR_RET(eth_dev_id, -EINVAL);
@@ -2726,6 +2751,9 @@ rte_event_eth_rx_adapter_queue_del(uint8_t id, uint16_t eth_dev_id,
uint32_t *rx_wrr = NULL;
int num_intr_vec;
+ if (rxa_memzone_lookup())
+ return -ENOMEM;
+
RTE_EVENT_ETH_RX_ADAPTER_ID_VALID_OR_ERR_RET(id, -EINVAL);
RTE_ETH_VALID_PORTID_OR_ERR_RET(eth_dev_id, -EINVAL);
@@ -2832,6 +2860,7 @@ rte_event_eth_rx_adapter_queue_del(uint8_t id, uint16_t eth_dev_id,
rte_eventdev_trace_eth_rx_adapter_queue_del(id, eth_dev_id,
rx_queue_id, ret);
+
return ret;
}
@@ -3286,6 +3315,97 @@ rte_event_eth_rx_adapter_queue_conf_get(uint8_t id,
return 0;
}
+static int
+rxa_is_queue_added(struct event_eth_rx_adapter *rx_adapter,
+ uint16_t eth_dev_id,
+ uint16_t rx_queue_id)
+{
+ struct eth_device_info *dev_info;
+ struct eth_rx_queue_info *queue_info;
+
+ if (!rx_adapter->eth_devices)
+ return 0;
+
+ dev_info = &rx_adapter->eth_devices[eth_dev_id];
+ if (!dev_info || !dev_info->rx_queue)
+ return 0;
+
+ queue_info = &dev_info->rx_queue[rx_queue_id];
+
+ return queue_info && queue_info->queue_enabled;
+}
+
+#define rxa_evdev(rx_adapter) (&rte_eventdevs[(rx_adapter)->eventdev_id])
+
+#define rxa_dev_instance_get(rx_adapter) \
+ rxa_evdev((rx_adapter))->dev_ops->eth_rx_adapter_instance_get
+
+int
+rte_event_eth_rx_adapter_instance_get(uint16_t eth_dev_id,
+ uint16_t rx_queue_id,
+ uint8_t *rxa_inst_id)
+{
+ uint8_t id;
+ int ret = -EINVAL;
+ uint32_t caps;
+ struct event_eth_rx_adapter *rx_adapter;
+
+ if (rxa_memzone_lookup())
+ return -ENOMEM;
+
+ if (eth_dev_id >= rte_eth_dev_count_avail()) {
+ RTE_EDEV_LOG_ERR("Invalid ethernet port id %u", eth_dev_id);
+ return -EINVAL;
+ }
+
+ if (rx_queue_id >= rte_eth_devices[eth_dev_id].data->nb_rx_queues) {
+ RTE_EDEV_LOG_ERR("Invalid Rx queue %u", rx_queue_id);
+ return -EINVAL;
+ }
+
+ if (rxa_inst_id == NULL) {
+ RTE_EDEV_LOG_ERR("rxa_inst_id cannot be NULL");
+ return -EINVAL;
+ }
+
+ /* Iterate through all adapter instances */
+ for (id = 0; id < RTE_EVENT_ETH_RX_ADAPTER_MAX_INSTANCE; id++) {
+ rx_adapter = rxa_id_to_adapter(id);
+ if (!rx_adapter)
+ continue;
+
+ if (rxa_is_queue_added(rx_adapter, eth_dev_id, rx_queue_id)) {
+ *rxa_inst_id = rx_adapter->id;
+ ret = 0;
+ }
+
+ /* Rx adapter internally mainatains queue information
+ * for both internal port and DPDK service port.
+ * Eventdev PMD callback is called for future proof only and
+ * overrides the above return value if defined.
+ */
+ caps = 0;
+ if (!rte_event_eth_rx_adapter_caps_get(rx_adapter->eventdev_id,
+ eth_dev_id,
+ &caps)) {
+ if (caps & RTE_EVENT_ETH_RX_ADAPTER_CAP_INTERNAL_PORT) {
+ ret = rxa_dev_instance_get(rx_adapter) ?
+ rxa_dev_instance_get(rx_adapter)
+ (eth_dev_id,
+ rx_queue_id,
+ rxa_inst_id)
+ : -EINVAL;
+ }
+ }
+
+ /* return if entry found */
+ if (ret == 0)
+ return ret;
+ }
+
+ return -EINVAL;
+}
+
#define RXA_ADD_DICT(stats, s) rte_tel_data_add_dict_u64(d, #s, stats.s)
static int
@@ -38,6 +38,7 @@
* - rte_event_eth_rx_adapter_queue_stats_get()
* - rte_event_eth_rx_adapter_queue_stats_reset()
* - rte_event_eth_rx_adapter_event_port_get()
+ * - rte_event_eth_rx_adapter_instance_get()
*
* The application creates an ethernet to event adapter using
* rte_event_eth_rx_adapter_create_ext() or rte_event_eth_rx_adapter_create()
@@ -704,6 +705,29 @@ __rte_experimental
int
rte_event_eth_rx_adapter_event_port_get(uint8_t id, uint8_t *event_port_id);
+/**
+ * Get RX adapter instance ID for a RX queue
+ *
+ * @param eth_dev_id
+ * Port identifier of Ethernet device.
+ *
+ * @param rx_queue_id
+ * Ethernet device receive queue index.
+ *
+ * @param[out] rxa_inst_id
+ * Pointer to store RX adapter instance identifier.
+ * Contains valid Rx adapter instance id when return value is 0
+ *
+ * @return
+ * - 0: Success
+ * - <0: Error code on failure
+ */
+__rte_experimental
+int
+rte_event_eth_rx_adapter_instance_get(uint16_t eth_dev_id,
+ uint16_t rx_queue_id,
+ uint8_t *rxa_inst_id);
+
#ifdef __cplusplus
}
#endif
@@ -112,6 +112,9 @@ EXPERIMENTAL {
# added in 22.07
rte_event_port_quiesce;
rte_event_queue_attr_set;
+
+ # added in 22.11
+ rte_event_eth_rx_adapter_instance_get;
};
INTERNAL {