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path: root/drivers/net/cnic.c
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Diffstat (limited to 'drivers/net/cnic.c')
-rw-r--r--drivers/net/cnic.c79
1 files changed, 52 insertions, 27 deletions
diff --git a/drivers/net/cnic.c b/drivers/net/cnic.c
index 74c342959b7b..d45eacb76702 100644
--- a/drivers/net/cnic.c
+++ b/drivers/net/cnic.c
@@ -774,42 +774,34 @@ static int cnic_alloc_context(struct cnic_dev *dev)
return 0;
}
-static int cnic_alloc_bnx2_resc(struct cnic_dev *dev)
+static int cnic_alloc_l2_rings(struct cnic_dev *dev, int pages)
{
struct cnic_local *cp = dev->cnic_priv;
- struct uio_info *uinfo;
- int ret;
-
- ret = cnic_alloc_dma(dev, &cp->kwq_info, KWQ_PAGE_CNT, 1);
- if (ret)
- goto error;
- cp->kwq = (struct kwqe **) cp->kwq_info.pg_arr;
-
- ret = cnic_alloc_dma(dev, &cp->kcq_info, KCQ_PAGE_CNT, 1);
- if (ret)
- goto error;
- cp->kcq = (struct kcqe **) cp->kcq_info.pg_arr;
-
- ret = cnic_alloc_context(dev);
- if (ret)
- goto error;
- cp->l2_ring_size = 2 * BCM_PAGE_SIZE;
+ cp->l2_ring_size = pages * BCM_PAGE_SIZE;
cp->l2_ring = pci_alloc_consistent(dev->pcidev, cp->l2_ring_size,
&cp->l2_ring_map);
if (!cp->l2_ring)
- goto error;
+ return -ENOMEM;
cp->l2_buf_size = (cp->l2_rx_ring_size + 1) * cp->l2_single_buf_size;
cp->l2_buf_size = PAGE_ALIGN(cp->l2_buf_size);
cp->l2_buf = pci_alloc_consistent(dev->pcidev, cp->l2_buf_size,
&cp->l2_buf_map);
if (!cp->l2_buf)
- goto error;
+ return -ENOMEM;
+
+ return 0;
+}
+
+static int cnic_alloc_uio(struct cnic_dev *dev) {
+ struct cnic_local *cp = dev->cnic_priv;
+ struct uio_info *uinfo;
+ int ret;
uinfo = kzalloc(sizeof(*uinfo), GFP_ATOMIC);
if (!uinfo)
- goto error;
+ return -ENOMEM;
uinfo->mem[0].addr = dev->netdev->base_addr;
uinfo->mem[0].internal_addr = dev->regview;
@@ -817,10 +809,15 @@ static int cnic_alloc_bnx2_resc(struct cnic_dev *dev)
uinfo->mem[0].memtype = UIO_MEM_PHYS;
uinfo->mem[1].addr = (unsigned long) cp->status_blk & PAGE_MASK;
- if (cp->ethdev->drv_state & CNIC_DRV_STATE_USING_MSIX)
- uinfo->mem[1].size = BNX2_SBLK_MSIX_ALIGN_SIZE * 9;
- else
- uinfo->mem[1].size = BNX2_SBLK_MSIX_ALIGN_SIZE;
+ if (test_bit(CNIC_F_BNX2_CLASS, &dev->flags)) {
+ if (cp->ethdev->drv_state & CNIC_DRV_STATE_USING_MSIX)
+ uinfo->mem[1].size = BNX2_SBLK_MSIX_ALIGN_SIZE * 9;
+ else
+ uinfo->mem[1].size = BNX2_SBLK_MSIX_ALIGN_SIZE;
+
+ uinfo->name = "bnx2_cnic";
+ }
+
uinfo->mem[1].memtype = UIO_MEM_LOGICAL;
uinfo->mem[2].addr = (unsigned long) cp->l2_ring;
@@ -831,7 +828,6 @@ static int cnic_alloc_bnx2_resc(struct cnic_dev *dev)
uinfo->mem[3].size = cp->l2_buf_size;
uinfo->mem[3].memtype = UIO_MEM_LOGICAL;
- uinfo->name = "bnx2_cnic";
uinfo->version = CNIC_MODULE_VERSION;
uinfo->irq = UIO_IRQ_CUSTOM;
@@ -843,10 +839,39 @@ static int cnic_alloc_bnx2_resc(struct cnic_dev *dev)
ret = uio_register_device(&dev->pcidev->dev, uinfo);
if (ret) {
kfree(uinfo);
- goto error;
+ return ret;
}
cp->cnic_uinfo = uinfo;
+ return 0;
+}
+
+static int cnic_alloc_bnx2_resc(struct cnic_dev *dev)
+{
+ struct cnic_local *cp = dev->cnic_priv;
+ int ret;
+
+ ret = cnic_alloc_dma(dev, &cp->kwq_info, KWQ_PAGE_CNT, 1);
+ if (ret)
+ goto error;
+ cp->kwq = (struct kwqe **) cp->kwq_info.pg_arr;
+
+ ret = cnic_alloc_dma(dev, &cp->kcq_info, KCQ_PAGE_CNT, 1);
+ if (ret)
+ goto error;
+ cp->kcq = (struct kcqe **) cp->kcq_info.pg_arr;
+
+ ret = cnic_alloc_context(dev);
+ if (ret)
+ goto error;
+
+ ret = cnic_alloc_l2_rings(dev, 2);
+ if (ret)
+ goto error;
+
+ ret = cnic_alloc_uio(dev);
+ if (ret)
+ goto error;
return 0;