@@ -115,6 +115,7 @@ New Features
* Added optimized memcpy support for the ARM platforms.
* Added ENA admin queue support for the MP applications.
* Added free Tx mbuf on demand feature support.
+ * Added ``rte_eth_xstats_get_names_by_id`` API support.
* **Updated Cisco enic driver.**
@@ -230,6 +230,10 @@ static int eth_ena_dev_init(struct rte_eth_dev *eth_dev);
static int ena_xstats_get_names(struct rte_eth_dev *dev,
struct rte_eth_xstat_name *xstats_names,
unsigned int n);
+static int ena_xstats_get_names_by_id(struct rte_eth_dev *dev,
+ const uint64_t *ids,
+ struct rte_eth_xstat_name *xstats_names,
+ unsigned int size);
static int ena_xstats_get(struct rte_eth_dev *dev,
struct rte_eth_xstat *stats,
unsigned int n);
@@ -254,29 +258,30 @@ static int ena_mp_primary_handle(const struct rte_mp_msg *mp_msg,
const void *peer);
static const struct eth_dev_ops ena_dev_ops = {
- .dev_configure = ena_dev_configure,
- .dev_infos_get = ena_infos_get,
- .rx_queue_setup = ena_rx_queue_setup,
- .tx_queue_setup = ena_tx_queue_setup,
- .dev_start = ena_start,
- .dev_stop = ena_stop,
- .link_update = ena_link_update,
- .stats_get = ena_stats_get,
- .xstats_get_names = ena_xstats_get_names,
- .xstats_get = ena_xstats_get,
- .xstats_get_by_id = ena_xstats_get_by_id,
- .mtu_set = ena_mtu_set,
- .rx_queue_release = ena_rx_queue_release,
- .tx_queue_release = ena_tx_queue_release,
- .dev_close = ena_close,
- .dev_reset = ena_dev_reset,
- .reta_update = ena_rss_reta_update,
- .reta_query = ena_rss_reta_query,
- .rx_queue_intr_enable = ena_rx_queue_intr_enable,
- .rx_queue_intr_disable = ena_rx_queue_intr_disable,
- .rss_hash_update = ena_rss_hash_update,
- .rss_hash_conf_get = ena_rss_hash_conf_get,
- .tx_done_cleanup = ena_tx_cleanup,
+ .dev_configure = ena_dev_configure,
+ .dev_infos_get = ena_infos_get,
+ .rx_queue_setup = ena_rx_queue_setup,
+ .tx_queue_setup = ena_tx_queue_setup,
+ .dev_start = ena_start,
+ .dev_stop = ena_stop,
+ .link_update = ena_link_update,
+ .stats_get = ena_stats_get,
+ .xstats_get_names = ena_xstats_get_names,
+ .xstats_get_names_by_id = ena_xstats_get_names_by_id,
+ .xstats_get = ena_xstats_get,
+ .xstats_get_by_id = ena_xstats_get_by_id,
+ .mtu_set = ena_mtu_set,
+ .rx_queue_release = ena_rx_queue_release,
+ .tx_queue_release = ena_tx_queue_release,
+ .dev_close = ena_close,
+ .dev_reset = ena_dev_reset,
+ .reta_update = ena_rss_reta_update,
+ .reta_query = ena_rss_reta_query,
+ .rx_queue_intr_enable = ena_rx_queue_intr_enable,
+ .rx_queue_intr_disable = ena_rx_queue_intr_disable,
+ .rss_hash_update = ena_rss_hash_update,
+ .rss_hash_conf_get = ena_rss_hash_conf_get,
+ .tx_done_cleanup = ena_tx_cleanup,
};
/*********************************************************************
@@ -3165,6 +3170,85 @@ static int ena_xstats_get_names(struct rte_eth_dev *dev,
return xstats_count;
}
+/**
+ * DPDK callback to retrieve names of extended device statistics for the given
+ * ids.
+ *
+ * @param dev
+ * Pointer to Ethernet device structure.
+ * @param[out] xstats_names
+ * Buffer to insert names into.
+ * @param ids
+ * IDs array for which the names should be retrieved.
+ * @param size
+ * Number of ids.
+ *
+ * @return
+ * Positive value: number of xstats names. Negative value: error code.
+ */
+static int ena_xstats_get_names_by_id(struct rte_eth_dev *dev,
+ const uint64_t *ids,
+ struct rte_eth_xstat_name *xstats_names,
+ unsigned int size)
+{
+ uint64_t xstats_count = ena_xstats_calc_num(dev->data);
+ uint64_t id, qid;
+ unsigned int i;
+
+ if (xstats_names == NULL)
+ return xstats_count;
+
+ for (i = 0; i < size; ++i) {
+ id = ids[i];
+ if (id > xstats_count) {
+ PMD_DRV_LOG(ERR,
+ "ID value out of range: id=%" PRIu64 ", xstats_num=%" PRIu64 "\n",
+ id, xstats_count);
+ return -EINVAL;
+ }
+
+ if (id < ENA_STATS_ARRAY_GLOBAL) {
+ strcpy(xstats_names[i].name,
+ ena_stats_global_strings[id].name);
+ continue;
+ }
+
+ id -= ENA_STATS_ARRAY_GLOBAL;
+ if (id < ENA_STATS_ARRAY_ENI) {
+ strcpy(xstats_names[i].name,
+ ena_stats_eni_strings[id].name);
+ continue;
+ }
+
+ id -= ENA_STATS_ARRAY_ENI;
+ if (id < ENA_STATS_ARRAY_RX) {
+ qid = id / dev->data->nb_rx_queues;
+ id %= dev->data->nb_rx_queues;
+ snprintf(xstats_names[i].name,
+ sizeof(xstats_names[i].name),
+ "rx_q%" PRIu64 "d_%s",
+ qid, ena_stats_rx_strings[id].name);
+ continue;
+ }
+
+ id -= ENA_STATS_ARRAY_RX;
+ /* Although this condition is not needed, it was added for
+ * compatibility if new xstat structure would be ever added.
+ */
+ if (id < ENA_STATS_ARRAY_TX) {
+ qid = id / dev->data->nb_tx_queues;
+ id %= dev->data->nb_tx_queues;
+ snprintf(xstats_names[i].name,
+ sizeof(xstats_names[i].name),
+ "tx_q%" PRIu64 "_%s",
+ qid, ena_stats_tx_strings[id].name);
+ continue;
+ }
+ }
+
+ return i;
+}
+
/**
* DPDK callback to get extended device statistics.
*