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authorSony Chacko2013-01-01 04:20:20 +0100
committerDavid S. Miller2013-01-02 11:43:26 +0100
commit4be41e92f7c613d6c08686374ad0fdeaaa2a7280 (patch)
treeee5a37cf0fb67dacaf9d741c3cf47e16f6e55268 /drivers/net/ethernet/qlogic/qlcnic/qlcnic_ctx.c
parentqlcnic: 83xx memory map and HW access routines (diff)
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qlcnic: 83xx data path routines
Add 83xx adapter data path routines Update few 82xx adapter data path routines Modify datapath resource allocation routines Signed-off-by: Anirban Chakraborty <anirban.chakraborty@qlogic.com> Signed-off-by: Sucheta Chakraborty <sucheta.chakraborty@qlogic.com> Signed-off-by: Sritej Velaga <sritej.velaga@qlogic.com> Signed-off-by: Sony Chacko <sony.chacko@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/qlogic/qlcnic/qlcnic_ctx.c')
-rw-r--r--drivers/net/ethernet/qlogic/qlcnic/qlcnic_ctx.c71
1 files changed, 40 insertions, 31 deletions
diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_ctx.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_ctx.c
index 7ebd8612d4cb..3098a14c67f0 100644
--- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_ctx.c
+++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_ctx.c
@@ -498,36 +498,42 @@ qlcnic_fw_cmd_set_port(struct qlcnic_adapter *adapter, u32 config)
int qlcnic_alloc_hw_resources(struct qlcnic_adapter *adapter)
{
void *addr;
- int err;
- int ring;
+ int err, ring;
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;
+ __le32 *ptr;
struct pci_dev *pdev = adapter->pdev;
recv_ctx = adapter->recv_ctx;
- tx_ring = adapter->tx_ring;
- tx_ring->hw_consumer = (__le32 *) dma_alloc_coherent(&pdev->dev,
- sizeof(u32), &tx_ring->hw_cons_phys_addr, GFP_KERNEL);
- if (tx_ring->hw_consumer == NULL) {
- dev_err(&pdev->dev, "failed to allocate tx consumer\n");
- return -ENOMEM;
- }
+ for (ring = 0; ring < adapter->max_drv_tx_rings; ring++) {
+ tx_ring = &adapter->tx_ring[ring];
+ ptr = (__le32 *)dma_alloc_coherent(&pdev->dev, sizeof(u32),
+ &tx_ring->hw_cons_phys_addr,
+ GFP_KERNEL);
- /* cmd desc ring */
- addr = dma_alloc_coherent(&pdev->dev, TX_DESC_RINGSIZE(tx_ring),
- &tx_ring->phys_addr, GFP_KERNEL);
+ if (ptr == NULL) {
+ dev_err(&pdev->dev, "failed to allocate tx consumer\n");
+ return -ENOMEM;
+ }
+ tx_ring->hw_consumer = ptr;
+ /* cmd desc ring */
+ addr = dma_alloc_coherent(&pdev->dev, TX_DESC_RINGSIZE(tx_ring),
+ &tx_ring->phys_addr,
+ GFP_KERNEL);
- if (addr == NULL) {
- dev_err(&pdev->dev, "failed to allocate tx desc ring\n");
- err = -ENOMEM;
- goto err_out_free;
- }
+ if (addr == NULL) {
+ dev_err(&pdev->dev,
+ "failed to allocate tx desc ring\n");
+ err = -ENOMEM;
+ goto err_out_free;
+ }
- tx_ring->desc_head = addr;
+ tx_ring->desc_head = addr;
+ }
for (ring = 0; ring < adapter->max_rds_rings; ring++) {
rds_ring = &recv_ctx->rds_rings[ring];
@@ -624,20 +630,23 @@ void qlcnic_free_hw_resources(struct qlcnic_adapter *adapter)
recv_ctx = adapter->recv_ctx;
- tx_ring = adapter->tx_ring;
- if (tx_ring->hw_consumer != NULL) {
- dma_free_coherent(&adapter->pdev->dev,
- sizeof(u32),
- tx_ring->hw_consumer,
- tx_ring->hw_cons_phys_addr);
- tx_ring->hw_consumer = NULL;
- }
+ for (ring = 0; ring < adapter->max_drv_tx_rings; ring++) {
+ tx_ring = &adapter->tx_ring[ring];
+ if (tx_ring->hw_consumer != NULL) {
+ dma_free_coherent(&adapter->pdev->dev, sizeof(u32),
+ tx_ring->hw_consumer,
+ tx_ring->hw_cons_phys_addr);
- if (tx_ring->desc_head != NULL) {
- dma_free_coherent(&adapter->pdev->dev,
- TX_DESC_RINGSIZE(tx_ring),
- tx_ring->desc_head, tx_ring->phys_addr);
- tx_ring->desc_head = NULL;
+ tx_ring->hw_consumer = NULL;
+ }
+
+ if (tx_ring->desc_head != NULL) {
+ dma_free_coherent(&adapter->pdev->dev,
+ TX_DESC_RINGSIZE(tx_ring),
+ tx_ring->desc_head,
+ tx_ring->phys_addr);
+ tx_ring->desc_head = NULL;
+ }
}
for (ring = 0; ring < adapter->max_rds_rings; ring++) {