qede: Register l2 queues with doorbell overflow recovery mechanism

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>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethernet/qlogic/qede/qede_main.c b/drivers/net/ethernet/qlogic/qede/qede_main.c
index efbb4f3f0f4bad98d7752a988726fe0c75b1989c..5a74fcbdbc2b59fde83468f2d6538296fa35d2c6 100644 (file)
--- 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;
 }