From: Shijith Thotton <sthotton@marvell.com>
Sent: Friday, February 7, 2025 7:39 PM
To: jerinj@marvell.com <jerinj@marvell.com>
Cc: pbhagavatula@marvell.com <pbhagavatula@marvell.com>; Shijith Thotton <sthotton@marvell.com>; dev@dpdk.org <dev@dpdk.org>; Pathak, Pravin <pravin.pathak@intel.com>; Hemant Agrawal <hemant.agrawal@nxp.com>; Sachin Saxena <sachin.saxena@nxp.com>; Mattias R_nnblom <mattias.ronnblom@ericsson.com>; Liang Ma <liangma@liangbit.com>; Mccarthy, Peter <Peter.Mccarthy@intel.com>; Van Haaren, Harry <harry.van.haaren@intel.com>; Carrillo, Erik G <Erik.G.Carrillo@intel.com>; Gujjar, Abhinandan S <abhinandan.gujjar@intel.com>; Amit Prakash Shukla <amitprakashs@marvell.com>; Naga Harish K, S V <s.v.naga.harish.k@intel.com>; Burakov, Anatoly <anatoly.burakov@intel.com>
Subject: [PATCH 1/3] eventdev/eth_rx: add API to burst add queues to Rx adapter
 
This patch introduces a new API, rte_event_eth_rx_adapter_queues_add(),
to allow bulk addition of multiple Rx queues in the eventdev Rx adapter.

The existing rte_event_eth_rx_adapter_queue_add() API supports adding
multiple queues by specifying rx_queue_id = -1, but it lacks the ability
to apply specific configurations to each of the added queues.

A new internal PMD operation, eventdev_eth_rx_adapter_queues_add_t, has
been introduced to enable this functionality. It takes an array of
receive queue IDs along with their corresponding queue configurations.

Signed-off-by: Shijith Thotton <sthotton@marvell.com>
---
 lib/eventdev/eventdev_pmd.h             |  34 ++++++
 lib/eventdev/eventdev_trace.h           |  14 +++
 lib/eventdev/eventdev_trace_points.c    |   3 +
 lib/eventdev/rte_event_eth_rx_adapter.c | 146 ++++++++++++++++++++++++
 lib/eventdev/rte_event_eth_rx_adapter.h |  33 ++++++
 lib/eventdev/version.map                |   3 +
 6 files changed, 233 insertions(+)

diff --git a/lib/eventdev/eventdev_pmd.h b/lib/eventdev/eventdev_pmd.h
index 36148f8d86..ad13ba5b03 100644
--- a/lib/eventdev/eventdev_pmd.h
+++ b/lib/eventdev/eventdev_pmd.h
@@ -25,6 +25,7 @@
 #include <rte_mbuf_dyn.h>
 
 #include "event_timer_adapter_pmd.h"
+#include "rte_event_eth_rx_adapter.h"
 #include "rte_eventdev.h"
 
 #ifdef __cplusplus
@@ -708,6 +709,37 @@ typedef int (*eventdev_eth_rx_adapter_queue_add_t)(
                 int32_t rx_queue_id,
                 const struct rte_event_eth_rx_adapter_queue_conf *queue_conf);
 
+/**
+ * Add ethernet Rx queues to event device in burst. 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 array
+ *
+ * @param queue_conf
+ *   Additional configuration structure array
+ *
+ * @param nb_rx_queues
+ *   Number of ethernet device receive queues
+ *
+ * @return
+ *   - 0: Success, ethernet receive queues added successfully.
+ *   - <0: Error code returned by the driver function.
+ */
+typedef int (*eventdev_eth_rx_adapter_queues_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[],
+               uint16_t nb_rx_queues);
+
 /**
  * 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)
@@ -1578,6 +1610,8 @@ struct eventdev_ops {
         /**< 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_queues_add_t eth_rx_adapter_queues_add;
+       /**< Add Rx queues to ethernet Rx adapter in burst */
         eventdev_eth_rx_adapter_queue_del_t eth_rx_adapter_queue_del;
         /**< Delete Rx queues from ethernet Rx adapter */
         eventdev_eth_rx_adapter_queue_conf_get_t eth_rx_adapter_queue_conf_get;
diff --git a/lib/eventdev/eventdev_trace.h b/lib/eventdev/eventdev_trace.h
index 8ff8841729..6b334d8bd1 100644
--- a/lib/eventdev/eventdev_trace.h
+++ b/lib/eventdev/eventdev_trace.h
@@ -159,6 +159,20 @@ RTE_TRACE_POINT(
         rte_trace_point_emit_int(rc);
 )
 
+RTE_TRACE_POINT(
+       rte_eventdev_trace_eth_rx_adapter_queues_add,
+       RTE_TRACE_POINT_ARGS(uint8_t adptr_id, uint16_t eth_dev_id,
+               uint16_t nb_rx_queues, void *rx_queue_id,
+               const void *queue_conf,
+               int rc),
+       rte_trace_point_emit_u8(adptr_id);
+       rte_trace_point_emit_u16(eth_dev_id);
+       rte_trace_point_emit_u16(nb_rx_queues);
+       rte_trace_point_emit_ptr(rx_queue_id);
+       rte_trace_point_emit_ptr(queue_conf);
+       rte_trace_point_emit_int(rc);
+)
+
 RTE_TRACE_POINT(
         rte_eventdev_trace_eth_rx_adapter_queue_del,
         RTE_TRACE_POINT_ARGS(uint8_t adptr_id, uint16_t eth_dev_id,
diff --git a/lib/eventdev/eventdev_trace_points.c b/lib/eventdev/eventdev_trace_points.c
index e7af1591f7..8caf6353a1 100644
--- a/lib/eventdev/eventdev_trace_points.c
+++ b/lib/eventdev/eventdev_trace_points.c
@@ -65,6 +65,9 @@ RTE_TRACE_POINT_REGISTER(rte_eventdev_trace_eth_rx_adapter_free,
 RTE_TRACE_POINT_REGISTER(rte_eventdev_trace_eth_rx_adapter_queue_add,
         lib.eventdev.rx.adapter.queue.add)
 
+RTE_TRACE_POINT_REGISTER(rte_eventdev_trace_eth_rx_adapter_queues_add,
+       lib.eventdev.rx.adapter.queues.add)
+
 RTE_TRACE_POINT_REGISTER(rte_eventdev_trace_eth_rx_adapter_queue_del,
         lib.eventdev.rx.adapter.queue.del)
 
diff --git a/lib/eventdev/rte_event_eth_rx_adapter.c b/lib/eventdev/rte_event_eth_rx_adapter.c
index 39674c4604..c5a357aa85 100644
--- a/lib/eventdev/rte_event_eth_rx_adapter.c
+++ b/lib/eventdev/rte_event_eth_rx_adapter.c
@@ -2793,6 +2793,152 @@ rte_event_eth_rx_adapter_queue_add(uint8_t id,
         return 0;
 }
 
+int
+rte_event_eth_rx_adapter_queues_add(uint8_t id, uint16_t eth_dev_id, int32_t rx_queue_id[],
+                                   const struct rte_event_eth_rx_adapter_queue_conf queue_conf[],
+                                   uint16_t nb_rx_queues)
+{
+       struct rte_event_eth_rx_adapter_vector_limits limits;
+       struct event_eth_rx_adapter *rx_adapter;
+       struct eth_device_info *dev_info;
+       struct rte_eventdev *dev;
+       uint32_t cap;
+       int32_t i;
+       int ret;
+
+       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);
+
+       rx_adapter = rxa_id_to_adapter(id);
+       if ((rx_adapter == NULL) || (queue_conf == NULL))
+               return -EINVAL;
+
+       if (nb_rx_queues && rx_queue_id == NULL)
+               return -EINVAL;
+
+       if (nb_rx_queues > rte_eth_devices[eth_dev_id].data->nb_rx_queues) {
+               RTE_EDEV_LOG_ERR("Invalid number of rx queues %" PRIu16, nb_rx_queues);
+               return -EINVAL;
+       }
+
+       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;
+       }
+
+       for (i = 0; i < (nb_rx_queues ? nb_rx_queues : 1); i++) {
+               const struct rte_event_eth_rx_adapter_queue_conf *conf;
+
+               conf = &queue_conf[i];
+               if ((cap & RTE_EVENT_ETH_RX_ADAPTER_CAP_OVERRIDE_FLOW_ID) == 0 &&
+                   (conf->rx_queue_flags & RTE_EVENT_ETH_RX_ADAPTER_QUEUE_FLOW_ID_VALID)) {
+                       RTE_EDEV_LOG_ERR("Flow ID override is not supported,"
+                                        " eth port: %" PRIu16 " adapter id: %" PRIu8,
+                                        eth_dev_id, id);

"rx_queue_id" can also be included in the error debug logs. 
Same is applicable to the following debug logs.

+                       return -EINVAL;
+               }
+

RTE_EVENT_ETH_RX_ADAPTER_CAP_MULTI_EVENTQ validation is missing.

+               if (conf->rx_queue_flags & RTE_EVENT_ETH_RX_ADAPTER_QUEUE_EVENT_VECTOR) {
+                       if ((cap & RTE_EVENT_ETH_RX_ADAPTER_CAP_EVENT_VECTOR) == 0) {
+                               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 < 0) {
+                               RTE_EDEV_LOG_ERR("Failed to get event device vector limits,"
+                                                " eth port: %" PRIu16 " adapter id: %" PRIu8,
+                                                eth_dev_id, id);
+                               return -EINVAL;
+                       }
+
+                       if (conf->vector_sz < limits.min_sz || conf->vector_sz > limits.max_sz ||
+                           conf->vector_timeout_ns < limits.min_timeout_ns ||
+                           conf->vector_timeout_ns > limits.max_timeout_ns ||
+                           conf->vector_mp == NULL) {
+                               RTE_EDEV_LOG_ERR("Invalid event vector configuration,"
+                                                " eth port: %" PRIu16 " adapter id: %" PRIu8,
+                                                eth_dev_id, id);
+                               return -EINVAL;
+                       }
+
+                       if (conf->vector_mp->elt_size < (sizeof(struct rte_event_vector) +
+                                                        (sizeof(uintptr_t) * conf->vector_sz))) {
+                               RTE_EDEV_LOG_ERR("Invalid event vector configuration,"
+                                                " eth port: %" PRIu16 " adapter id: %" PRIu8,
+                                                eth_dev_id, id);
+                               return -EINVAL;
+                       }
+               }
+
+               if ((rx_adapter->use_queue_event_buf && conf->event_buf_size == 0) ||
+                   (!rx_adapter->use_queue_event_buf && conf->event_buf_size != 0)) {
+                       RTE_EDEV_LOG_ERR("Invalid Event buffer size for the queue");
+                       return -EINVAL;
+               }
+       }
+
+       dev = &rte_eventdevs[rx_adapter->eventdev_id];
+       dev_info = &rx_adapter->eth_devices[eth_dev_id];
+
+       if (cap & RTE_EVENT_ETH_RX_ADAPTER_CAP_INTERNAL_PORT) {
+               if (*dev->dev_ops->eth_rx_adapter_queues_add == NULL)
+                       return -ENOTSUP;
+
+               if (dev_info->rx_queue == NULL) {
+                       dev_info->rx_queue =
+                               rte_zmalloc_socket(rx_adapter->mem_name,
+                                                  dev_info->dev->data->nb_rx_queues *
+                                                          sizeof(struct eth_rx_queue_info),
+                                                  0, rx_adapter->socket_id);
+                       if (dev_info->rx_queue == NULL)
+                               return -ENOMEM;
+               }
+
+               ret = (*dev->dev_ops->eth_rx_adapter_queues_add)(
+                       dev, &rte_eth_devices[eth_dev_id], rx_queue_id, queue_conf, nb_rx_queues);
+               if (ret == 0) {
+                       dev_info->internal_event_port = 1;
+
+                       if (nb_rx_queues == 0)
+                               rxa_update_queue(rx_adapter, dev_info, -1, 1);
+
+                       for (i = 0; i < nb_rx_queues; i++)
+                               rxa_update_queue(rx_adapter, dev_info, rx_queue_id[i], 1);
+               }
+       } else {
+               rte_spinlock_lock(&rx_adapter->rx_lock);
+               dev_info->internal_event_port = 0;
+               ret = rxa_init_service(rx_adapter, id);
+               if (ret == 0) {
+                       uint32_t service_id = rx_adapter->service_id;
+
+                       if (nb_rx_queues == 0)
+                               ret = rxa_sw_add(rx_adapter, eth_dev_id, -1, &queue_conf[0]);
+
+                       for (i = 0; i < nb_rx_queues; i++)
+                               ret = rxa_sw_add(rx_adapter, eth_dev_id, rx_queue_id[i],
+                                                &queue_conf[i]);
+
+                       rte_service_component_runstate_set(service_id,
+                                                          rxa_sw_adapter_queue_count(rx_adapter));
+               }
+               rte_spinlock_unlock(&rx_adapter->rx_lock);
+       }
+
+       rte_eventdev_trace_eth_rx_adapter_queues_add(id, eth_dev_id, nb_rx_queues, rx_queue_id,
+                                                    queue_conf, ret);
+       return ret;
+}
+
 static int
 rxa_sw_vector_limits(struct rte_event_eth_rx_adapter_vector_limits *limits)
 {
diff --git a/lib/eventdev/rte_event_eth_rx_adapter.h b/lib/eventdev/rte_event_eth_rx_adapter.h
index 9237e198a7..758e1c5f56 100644
--- a/lib/eventdev/rte_event_eth_rx_adapter.h
+++ b/lib/eventdev/rte_event_eth_rx_adapter.h
@@ -553,6 +553,39 @@ int rte_event_eth_rx_adapter_queue_add(uint8_t id,
                         int32_t rx_queue_id,
                         const struct rte_event_eth_rx_adapter_queue_conf *conf);
 
+/**
+ * Add multiple receive queues to an event adapter.
+ *
+ * @param id
+ *  Adapter identifier.
+ *
+ * @param eth_dev_id
+ *  Port identifier of Ethernet device.
+ *
+ * @param rx_queue_id
+ *  Array of Ethernet device receive queue indices.
+ *  If nb_rx_queues is 0, then rx_queue_id is ignored.
+ *
+ * @param conf
+ *  Array of additional configuration structures of type
+ *  *rte_event_eth_rx_adapter_queue_conf*. conf[i] is used for rx_queue_id[i].
+ *  If nb_rx_queues is 0, then conf[0] is used for all Rx queues.
+ *
+ * @param nb_rx_queues
+ *  Number of receive queues to add.
+ *  If nb_rx_queues is 0, then all Rx queues configured for
+ *  the device are added with the same configuration in conf[0].
+ * @see RTE_EVENT_ETH_RX_ADAPTER_CAP_MULTI_EVENTQ
+ *
+ * @return
+ *  - 0: Success, Receive queues added correctly.
+ *  - <0: Error code on failure.
+ */
+__rte_experimental
+int rte_event_eth_rx_adapter_queues_add(uint8_t id, uint16_t eth_dev_id, int32_t rx_queue_id[],
+                                       const struct rte_event_eth_rx_adapter_queue_conf conf[],
+                                       uint16_t nb_rx_queues);
+
 /**
  * Delete receive queue from an event adapter.
  *
diff --git a/lib/eventdev/version.map b/lib/eventdev/version.map
index 42a5867aba..44687255cb 100644
--- a/lib/eventdev/version.map
+++ b/lib/eventdev/version.map
@@ -153,6 +153,9 @@ EXPERIMENTAL {
         __rte_eventdev_trace_port_preschedule_modify;
         rte_event_port_preschedule;
         __rte_eventdev_trace_port_preschedule;
+
+       # added in 25.03
+       rte_event_eth_rx_adapter_queues_add;
 };
 
 INTERNAL {
--
2.25.1