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From: Ganapati Kundapura <ganapati.kundapura@intel.com>
To: dev@dpdk.org, jerinj@marvell.com, jay.jayatheerthan@intel.com,
s.v.naga.harish.k@intel.com
Subject: [PATCH v9 2/7] eventdev/eth_rx: add telemetry callback for instance
get
Date: Thu, 23 Jun 2022 01:24:13 -0500
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Added telemetry handler for rte_event_eth_rx_adapter_instance_get()
to retrieve adapter instance id for specified ethernet device id
and rx queue index.
Signed-off-by: Ganapati Kundapura <ganapati.kundapura@intel.com>
---
lib/eventdev/rte_event_eth_rx_adapter.c | 66 +++++++++++++++++++++++++++++++++
1 file changed, 66 insertions(+)
diff --git a/lib/eventdev/rte_event_eth_rx_adapter.c b/lib/eventdev/rte_event_eth_rx_adapter.c
index ababe13..64a6add 100644
--- a/lib/eventdev/rte_event_eth_rx_adapter.c
+++ b/lib/eventdev/rte_event_eth_rx_adapter.c
@@ -3674,6 +3674,68 @@ handle_rxa_queue_stats_reset(const char *cmd __rte_unused,
return ret;
}
+static int
+handle_rxa_instance_get(const char *cmd __rte_unused,
+ const char *params,
+ struct rte_tel_data *d)
+{
+ uint8_t instance_id;
+ uint16_t rx_queue_id;
+ int eth_dev_id, ret = -1;
+ char *token, *l_params;
+
+ if (params == NULL || strlen(params) == 0 || !isdigit(*params))
+ return -1;
+
+ l_params = strdup(params);
+ if (l_params == NULL)
+ return -ENOMEM;
+ token = strtok(l_params, ",");
+ RTE_EVENT_ETH_RX_ADAPTER_TOKEN_VALID_OR_GOTO_ERR_RET(token, -1);
+
+ /* Get device ID from parameter string */
+ eth_dev_id = strtoul(token, NULL, 10);
+ RTE_ETH_VALID_PORTID_OR_GOTO_ERR_RET(eth_dev_id, -EINVAL);
+
+ token = strtok(NULL, ",");
+ RTE_EVENT_ETH_RX_ADAPTER_TOKEN_VALID_OR_GOTO_ERR_RET(token, -1);
+
+ /* Get Rx queue ID from parameter string */
+ rx_queue_id = strtoul(token, NULL, 10);
+ if (rx_queue_id >= rte_eth_devices[eth_dev_id].data->nb_rx_queues) {
+ RTE_EDEV_LOG_ERR("Invalid rx queue_id %u", rx_queue_id);
+ ret = -EINVAL;
+ goto error;
+ }
+
+ token = strtok(NULL, "\0");
+ if (token != NULL)
+ RTE_EDEV_LOG_ERR("Extra parameters passed to eventdev"
+ " telemetry command, ignoring");
+
+ /* Parsing parameter finished */
+ free(l_params);
+
+ if (rte_event_eth_rx_adapter_instance_get(eth_dev_id,
+ rx_queue_id,
+ &instance_id)) {
+ RTE_EDEV_LOG_ERR("Failed to get RX adapter instance ID "
+ " for rx_queue_id = %d", rx_queue_id);
+ return -1;
+ }
+
+ rte_tel_data_start_dict(d);
+ rte_tel_data_add_dict_u64(d, "eth_dev_id", eth_dev_id);
+ rte_tel_data_add_dict_u64(d, "rx_queue_id", rx_queue_id);
+ rte_tel_data_add_dict_u64(d, "rxa_instance_id", instance_id);
+
+ return 0;
+
+error:
+ free(l_params);
+ return ret;
+}
+
RTE_INIT(rxa_init_telemetry)
{
rte_telemetry_register_cmd("/eventdev/rxa_stats",
@@ -3695,4 +3757,8 @@ RTE_INIT(rxa_init_telemetry)
rte_telemetry_register_cmd("/eventdev/rxa_queue_stats_reset",
handle_rxa_queue_stats_reset,
"Reset Rx queue stats. Parameter: rxa_id, dev_id, queue_id");
+
+ rte_telemetry_register_cmd("/eventdev/rxa_rxq_instance_get",
+ handle_rxa_instance_get,
+ "Returns Rx adapter instance id. Parameter: dev_id, queue_id");
}
--
2.6.4