[PATCH net-next v3 6/6] qede: Register l2 queues with doorbell overflow recovery mechanism

[Ariel Elior <Ariel.Elior@cavium.com>]

All L2 queues funnel through this flow, so this would cover the
regular RSS queues, as well queues created for VFs, mqos queues,
xdp queues, etc.

Signed-off-by: Ariel Elior <Ariel.Elior@cavium.com>
Signed-off-by: Michal Kalderon <Michal.Kalderon@cavium.com>
Signed-off-by: Tomer Tayar <Tomer.Tayar@cavium.com>
---
 drivers/net/ethernet/qlogic/qede/qede_main.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/drivers/net/ethernet/qlogic/qede/qede_main.c b/drivers/net/ethernet/qlogic/qede/qede_main.c
index 46d0f2e..1c4cea8 100644
--- a/drivers/net/ethernet/qlogic/qede/qede_main.c
+++ b/drivers/net/ethernet/qlogic/qede/qede_main.c
@@ -1774,6 +1774,10 @@ static int qede_drain_txq(struct qede_dev *edev,
 static int qede_stop_txq(struct qede_dev *edev,
 			 struct qede_tx_queue *txq, int rss_id)
 {
+	/* delete doorbell from doorbell recovery mechanism */
+	edev->ops->common->db_recovery_del(edev->cdev, txq->doorbell_addr,
+					   &txq->tx_db);
+
 	return edev->ops->q_tx_stop(edev->cdev, rss_id, txq->handle);
 }
 
@@ -1910,6 +1914,11 @@ static int qede_start_txq(struct qede_dev *edev,
 		  DQ_XCM_ETH_TX_BD_PROD_CMD);
 	txq->tx_db.data.agg_flags = DQ_XCM_ETH_DQ_CF_CMD;
 
+	/* register doorbell with doorbell recovery mechanism */
+	rc = edev->ops->common->db_recovery_add(edev->cdev, txq->doorbell_addr,
+						&txq->tx_db, DB_REC_WIDTH_32B,
+						DB_REC_KERNEL);
+
 	return rc;
 }
 
-- 
1.8.3.1