@@ -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
@@ -110,6 +110,7 @@ EXPERIMENTAL {
rte_event_eth_rx_adapter_event_port_get;
# added in 22.07
+ rte_event_eth_rx_adapter_instance_get;
rte_event_port_quiesce;
rte_event_queue_attr_set;
};