diff options
| -rw-r--r-- | drivers/net/ethernet/ibm/ibmvnic.c | 46 |
1 files changed, 43 insertions, 3 deletions
diff --git a/drivers/net/ethernet/ibm/ibmvnic.c b/drivers/net/ethernet/ibm/ibmvnic.c index 5661a043f5e5..8dcf58088178 100644 --- a/drivers/net/ethernet/ibm/ibmvnic.c +++ b/drivers/net/ethernet/ibm/ibmvnic.c @@ -1320,8 +1320,6 @@ static int do_reset(struct ibmvnic_adapter *adapter, */ adapter->state = VNIC_PROBED; - release_sub_crqs(adapter); - rc = ibmvnic_init(adapter); if (rc) return 0; @@ -1728,6 +1726,45 @@ static const struct ethtool_ops ibmvnic_ethtool_ops = { /* Routines for managing CRQs/sCRQs */ +static int reset_one_sub_crq_queue(struct ibmvnic_adapter *adapter, + struct ibmvnic_sub_crq_queue *scrq) +{ + int rc; + + if (scrq->irq) { + free_irq(scrq->irq, scrq); + irq_dispose_mapping(scrq->irq); + scrq->irq = 0; + } + + memset(scrq->msgs, 0, 2 * PAGE_SIZE); + scrq->cur = 0; + + rc = h_reg_sub_crq(adapter->vdev->unit_address, scrq->msg_token, + 4 * PAGE_SIZE, &scrq->crq_num, &scrq->hw_irq); + return rc; +} + +static int reset_sub_crq_queues(struct ibmvnic_adapter *adapter) +{ + int i, rc; + + for (i = 0; i < adapter->req_tx_queues; i++) { + rc = reset_one_sub_crq_queue(adapter, adapter->tx_scrq[i]); + if (rc) + return rc; + } + + for (i = 0; i < adapter->req_rx_queues; i++) { + rc = reset_one_sub_crq_queue(adapter, adapter->rx_scrq[i]); + if (rc) + return rc; + } + + rc = init_sub_crq_irqs(adapter); + return rc; +} + static void release_sub_crq_queue(struct ibmvnic_adapter *adapter, struct ibmvnic_sub_crq_queue *scrq) { @@ -3607,7 +3644,10 @@ static int ibmvnic_init(struct ibmvnic_adapter *adapter) return -1; } - rc = init_sub_crqs(adapter); + if (adapter->resetting) + rc = reset_sub_crq_queues(adapter); + else + rc = init_sub_crqs(adapter); if (rc) { dev_err(dev, "Initialization of sub crqs failed\n"); release_crq_queue(adapter); |