diff options
Diffstat (limited to 'drivers/net/qlcnic/qlcnic_ctx.c')
-rw-r--r-- | drivers/net/qlcnic/qlcnic_ctx.c | 50 |
1 files changed, 35 insertions, 15 deletions
diff --git a/drivers/net/qlcnic/qlcnic_ctx.c b/drivers/net/qlcnic/qlcnic_ctx.c index 7c96c8e..be341c1 100644 --- a/drivers/net/qlcnic/qlcnic_ctx.c +++ b/drivers/net/qlcnic/qlcnic_ctx.c @@ -180,6 +180,7 @@ qlcnic_fw_cmd_create_rx_ctx(struct qlcnic_adapter *adapter) for (i = 0; i < nrds_rings; i++) { rds_ring = &recv_ctx->rds_rings[i]; + rds_ring->producer = 0; prq_rds[i].host_phys_addr = cpu_to_le64(rds_ring->phys_addr); prq_rds[i].ring_size = cpu_to_le32(rds_ring->num_desc); @@ -193,6 +194,8 @@ qlcnic_fw_cmd_create_rx_ctx(struct qlcnic_adapter *adapter) for (i = 0; i < nsds_rings; i++) { sds_ring = &recv_ctx->sds_rings[i]; + sds_ring->consumer = 0; + memset(sds_ring->desc_head, 0, STATUS_DESC_RINGSIZE(sds_ring)); prq_sds[i].host_phys_addr = cpu_to_le64(sds_ring->phys_addr); prq_sds[i].ring_size = cpu_to_le32(sds_ring->num_desc); @@ -293,6 +296,11 @@ qlcnic_fw_cmd_create_tx_ctx(struct qlcnic_adapter *adapter) dma_addr_t rq_phys_addr, rsp_phys_addr; struct qlcnic_host_tx_ring *tx_ring = adapter->tx_ring; + /* reset host resources */ + tx_ring->producer = 0; + tx_ring->sw_consumer = 0; + *(tx_ring->hw_consumer) = 0; + rq_size = SIZEOF_HOSTRQ_TX(struct qlcnic_hostrq_tx_ctx); rq_addr = pci_alloc_consistent(adapter->pdev, rq_size, &rq_phys_addr); @@ -476,15 +484,6 @@ int qlcnic_alloc_hw_resources(struct qlcnic_adapter *adapter) sds_ring->desc_head = (struct status_desc *)addr; } - - err = qlcnic_fw_cmd_create_rx_ctx(adapter); - if (err) - goto err_out_free; - err = qlcnic_fw_cmd_create_tx_ctx(adapter); - if (err) - goto err_out_free; - - set_bit(__QLCNIC_FW_ATTACHED, &adapter->state); return 0; err_out_free: @@ -492,15 +491,27 @@ err_out_free: return err; } -void qlcnic_free_hw_resources(struct qlcnic_adapter *adapter) + +int qlcnic_fw_create_ctx(struct qlcnic_adapter *adapter) { - struct qlcnic_recv_context *recv_ctx; - struct qlcnic_host_rds_ring *rds_ring; - struct qlcnic_host_sds_ring *sds_ring; - struct qlcnic_host_tx_ring *tx_ring; - int ring; + int err; + + err = qlcnic_fw_cmd_create_rx_ctx(adapter); + if (err) + return err; + err = qlcnic_fw_cmd_create_tx_ctx(adapter); + if (err) { + qlcnic_fw_cmd_destroy_rx_ctx(adapter); + return err; + } + + set_bit(__QLCNIC_FW_ATTACHED, &adapter->state); + return 0; +} +void qlcnic_fw_destroy_ctx(struct qlcnic_adapter *adapter) +{ if (test_and_clear_bit(__QLCNIC_FW_ATTACHED, &adapter->state)) { qlcnic_fw_cmd_destroy_rx_ctx(adapter); qlcnic_fw_cmd_destroy_tx_ctx(adapter); @@ -508,6 +519,15 @@ void qlcnic_free_hw_resources(struct qlcnic_adapter *adapter) /* Allow dma queues to drain after context reset */ msleep(20); } +} + +void qlcnic_free_hw_resources(struct qlcnic_adapter *adapter) +{ + struct qlcnic_recv_context *recv_ctx; + struct qlcnic_host_rds_ring *rds_ring; + struct qlcnic_host_sds_ring *sds_ring; + struct qlcnic_host_tx_ring *tx_ring; + int ring; recv_ctx = &adapter->recv_ctx; |