diff options
Diffstat (limited to 'drivers/ntb/ntb_transport.c')
| -rw-r--r-- | drivers/ntb/ntb_transport.c | 36 |
1 files changed, 28 insertions, 8 deletions
diff --git a/drivers/ntb/ntb_transport.c b/drivers/ntb/ntb_transport.c index 0f86b60a0c0e..2efd1eae9a7c 100644 --- a/drivers/ntb/ntb_transport.c +++ b/drivers/ntb/ntb_transport.c @@ -648,18 +648,37 @@ static int ntb_set_mw(struct ntb_transport_ctx *nt, int num_mw, return 0; } +static void ntb_qp_link_down_reset(struct ntb_transport_qp *qp) +{ + qp->link_is_up = false; + + qp->tx_index = 0; + qp->rx_index = 0; + qp->rx_bytes = 0; + qp->rx_pkts = 0; + qp->rx_ring_empty = 0; + qp->rx_err_no_buf = 0; + qp->rx_err_oflow = 0; + qp->rx_err_ver = 0; + qp->rx_memcpy = 0; + qp->rx_async = 0; + qp->tx_bytes = 0; + qp->tx_pkts = 0; + qp->tx_ring_full = 0; + qp->tx_err_no_buf = 0; + qp->tx_memcpy = 0; + qp->tx_async = 0; +} + static void ntb_qp_link_cleanup(struct ntb_transport_qp *qp) { struct ntb_transport_ctx *nt = qp->transport; struct pci_dev *pdev = nt->ndev->pdev; - if (qp->link_is_up) { - cancel_delayed_work_sync(&qp->link_work); - return; - } - dev_info(&pdev->dev, "qp %d: Link Cleanup\n", qp->qp_num); - qp->link_is_up = false; + + cancel_delayed_work_sync(&qp->link_work); + ntb_qp_link_down_reset(qp); if (qp->event_handler) qp->event_handler(qp->cb_data, qp->link_is_up); @@ -866,9 +885,9 @@ static int ntb_transport_init_queue(struct ntb_transport_ctx *nt, qp->qp_num = qp_num; qp->transport = nt; qp->ndev = nt->ndev; - qp->link_is_up = false; qp->client_ready = false; qp->event_handler = NULL; + ntb_qp_link_down_reset(qp); if (qp_count % mw_count && mw_num + 1 < qp_count / mw_count) num_qps_mw = qp_count / mw_count + 1; @@ -1468,7 +1487,6 @@ static void ntb_send_link_down(struct ntb_transport_qp *qp) if (!qp->link_is_up) return; - qp->link_is_up = false; dev_info(&pdev->dev, "qp %d: Send Link Down\n", qp->qp_num); for (i = 0; i < NTB_LINK_DOWN_TIMEOUT; i++) { @@ -1490,6 +1508,8 @@ static void ntb_send_link_down(struct ntb_transport_qp *qp) if (rc) dev_err(&pdev->dev, "ntb: QP%d unable to send linkdown msg\n", qp->qp_num); + + ntb_qp_link_down_reset(qp); } /** |