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path: root/drivers/net/qlcnic/qlcnic_ctx.c
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Diffstat (limited to 'drivers/net/qlcnic/qlcnic_ctx.c')
-rw-r--r--drivers/net/qlcnic/qlcnic_ctx.c50
1 files changed, 35 insertions, 15 deletions
diff --git a/drivers/net/qlcnic/qlcnic_ctx.c b/drivers/net/qlcnic/qlcnic_ctx.c
index 7c96c8e06c3f..be341c1564b8 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;