[RFC,16/29] net/qdma: add start and stop apis
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Commit Message
this patch implements definitions for dev_start
and dev_stop apis.
Signed-off-by: Aman Kumar <aman.kumar@vvdntech.in>
---
drivers/net/qdma/qdma_devops.c | 53 ++++++++++++++++++++++++++++++++--
1 file changed, 51 insertions(+), 2 deletions(-)
@@ -865,8 +865,40 @@ void qdma_dev_rx_queue_release(struct rte_eth_dev *dev, uint16_t q_id)
*/
int qdma_dev_start(struct rte_eth_dev *dev)
{
- (void)dev;
+ struct qdma_tx_queue *txq;
+ struct qdma_rx_queue *rxq;
+ uint32_t qid;
+ int err;
+
+ PMD_DRV_LOG(INFO, "qdma-dev-start: Starting\n");
+
+ /* prepare descriptor rings for operation */
+ for (qid = 0; qid < dev->data->nb_tx_queues; qid++) {
+ txq = (struct qdma_tx_queue *)dev->data->tx_queues[qid];
+
+ /* Deferred Queues should not start with dev_start */
+ if (!txq->tx_deferred_start) {
+ err = qdma_dev_tx_queue_start(dev, qid);
+ if (err != 0)
+ return err;
+ }
+ }
+ for (qid = 0; qid < dev->data->nb_rx_queues; qid++) {
+ rxq = (struct qdma_rx_queue *)dev->data->rx_queues[qid];
+
+ /* Deferred Queues should not start with dev_start */
+ if (!rxq->rx_deferred_start) {
+ err = qdma_dev_rx_queue_start(dev, qid);
+ if (err != 0)
+ return err;
+ }
+ }
+
+#if (MIN_TX_PIDX_UPDATE_THRESHOLD > 1)
+ rte_eal_alarm_set(QDMA_TXQ_PIDX_UPDATE_INTERVAL,
+ qdma_txq_pidx_update, (void *)dev);
+#endif
return 0;
}
@@ -922,7 +954,24 @@ int qdma_dev_infos_get(struct rte_eth_dev *dev,
*/
int qdma_dev_stop(struct rte_eth_dev *dev)
{
- (void)dev;
+ uint32_t qid;
+#ifdef RTE_LIBRTE_QDMA_DEBUG_DRIVER
+ struct qdma_pci_dev *qdma_dev = dev->data->dev_private;
+
+ PMD_DRV_LOG(INFO, "PF-%d(DEVFN) Stop H2C & C2H queues",
+ qdma_dev->func_id);
+#endif
+
+ /* reset driver's internal queue structures to default values */
+ for (qid = 0; qid < dev->data->nb_tx_queues; qid++)
+ qdma_dev_tx_queue_stop(dev, qid);
+ for (qid = 0; qid < dev->data->nb_rx_queues; qid++)
+ qdma_dev_rx_queue_stop(dev, qid);
+
+#if (MIN_TX_PIDX_UPDATE_THRESHOLD > 1)
+ /* Cancel pending PIDX updates */
+ rte_eal_alarm_cancel(qdma_txq_pidx_update, (void *)dev);
+#endif
return 0;
}