net/bnxt: use dedicated CPR for async events

[dpdk.git] / drivers / net / bnxt / bnxt_rxq.c

diff --git a/drivers/net/bnxt/bnxt_rxq.c b/drivers/net/bnxt/bnxt_rxq.c
index e0eb890..1d95f11 100644 (file)
--- a/drivers/net/bnxt/bnxt_rxq.c
+++ b/drivers/net/bnxt/bnxt_rxq.c
@@ -411,10 +411,11 @@ int bnxt_rx_queue_start(struct rte_eth_dev *dev, uint16_t rx_queue_id)
                return -EINVAL;
        }
 
-       dev->data->rx_queue_state[rx_queue_id] = RTE_ETH_QUEUE_STATE_STARTED;
-
        bnxt_free_hwrm_rx_ring(bp, rx_queue_id);
-       bnxt_alloc_hwrm_rx_ring(bp, rx_queue_id);
+       rc = bnxt_alloc_hwrm_rx_ring(bp, rx_queue_id);
+       if (rc)
+               return rc;
+
        PMD_DRV_LOG(INFO, "Rx queue started %d\n", rx_queue_id);
 
        if (dev_conf->rxmode.mq_mode & ETH_MQ_RX_RSS_FLAG) {
@@ -435,8 +436,16 @@ int bnxt_rx_queue_start(struct rte_eth_dev *dev, uint16_t rx_queue_id)
                rc = bnxt_vnic_rss_configure(bp, vnic);
        }
 
-       if (rc == 0)
+       if (rc == 0) {
+               dev->data->rx_queue_state[rx_queue_id] =
+                               RTE_ETH_QUEUE_STATE_STARTED;
                rxq->rx_deferred_start = false;
+       }
+
+       PMD_DRV_LOG(INFO,
+                   "queue %d, rx_deferred_start %d, state %d!\n",
+                   rx_queue_id, rxq->rx_deferred_start,
+                   bp->eth_dev->data->rx_queue_state[rx_queue_id]);
 
        return rc;
 }
@@ -449,8 +458,11 @@ int bnxt_rx_queue_stop(struct rte_eth_dev *dev, uint16_t rx_queue_id)
        struct bnxt_rx_queue *rxq = NULL;
        int rc = 0;
 
-       /* Rx CQ 0 also works as Default CQ for async notifications */
-       if (!rx_queue_id) {
+       /* For the stingray platform and other platforms needing tighter
+        * control of resource utilization, Rx CQ 0 also works as
+        * Default CQ for async notifications
+        */
+       if (!BNXT_NUM_ASYNC_CPR(bp) && !rx_queue_id) {
                PMD_DRV_LOG(ERR, "Cannot stop Rx queue id %d\n", rx_queue_id);
                return -EINVAL;
        }