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yaml
---
r: 215393
b: refs/heads/master
c: 0ecbe1c
h: refs/heads/master
i:
  215391: 00f931f
v: v3
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Stanislaw Gruszka authored and David S. Miller committed Oct 21, 2010
1 parent 25fa674 commit 43d619f
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Showing 2 changed files with 23 additions and 31 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 3eafe50708deca10d155ccff597a91dcecc2d869
refs/heads/master: 0ecbe1cadd406cb48424c796450bfaa18cb0b3ac
52 changes: 22 additions & 30 deletions trunk/drivers/net/r8169.c
Original file line number Diff line number Diff line change
Expand Up @@ -3974,12 +3974,12 @@ static inline void *rtl8169_align(void *data)
return (void *)ALIGN((long)data, 16);
}

static struct sk_buff *rtl8169_alloc_rx_data(struct pci_dev *pdev,
struct net_device *dev,
struct RxDesc *desc)
static struct sk_buff *rtl8169_alloc_rx_data(struct rtl8169_private *tp,
struct RxDesc *desc)
{
void *data;
dma_addr_t mapping;
struct net_device *dev = tp->dev;
int node = dev->dev.parent ? dev_to_node(dev->dev.parent) : -1;

data = kmalloc_node(rx_buf_sz, GFP_KERNEL, node);
Expand All @@ -3993,9 +3993,9 @@ static struct sk_buff *rtl8169_alloc_rx_data(struct pci_dev *pdev,
return NULL;
}

mapping = dma_map_single(&pdev->dev, rtl8169_align(data), rx_buf_sz,
mapping = dma_map_single(&tp->pci_dev->dev, rtl8169_align(data), rx_buf_sz,
PCI_DMA_FROMDEVICE);
if (unlikely(dma_mapping_error(&pdev->dev, mapping)))
if (unlikely(dma_mapping_error(&tp->pci_dev->dev, mapping)))
goto err_out;

rtl8169_map_to_asic(desc, mapping, rx_buf_sz);
Expand All @@ -4018,34 +4018,35 @@ static void rtl8169_rx_clear(struct rtl8169_private *tp)
}
}

static u32 rtl8169_rx_fill(struct rtl8169_private *tp, struct net_device *dev,
u32 start, u32 end, gfp_t gfp)
static inline void rtl8169_mark_as_last_descriptor(struct RxDesc *desc)
{
u32 cur;
desc->opts1 |= cpu_to_le32(RingEnd);
}

for (cur = start; end - cur != 0; cur++) {
void *data;
unsigned int i = cur % NUM_RX_DESC;
static int rtl8169_rx_fill(struct rtl8169_private *tp)
{
unsigned int i;

WARN_ON((s32)(end - cur) < 0);
for (i = 0; i < NUM_RX_DESC; i++) {
void *data;

if (tp->Rx_databuff[i])
continue;

data = rtl8169_alloc_rx_data(tp->pci_dev, dev,
tp->RxDescArray + i);
data = rtl8169_alloc_rx_data(tp, tp->RxDescArray + i);
if (!data) {
rtl8169_make_unusable_by_asic(tp->RxDescArray + i);
break;
goto err_out;
}
tp->Rx_databuff[i] = data;
}
return cur - start;
}

static inline void rtl8169_mark_as_last_descriptor(struct RxDesc *desc)
{
desc->opts1 |= cpu_to_le32(RingEnd);
rtl8169_mark_as_last_descriptor(tp->RxDescArray + NUM_RX_DESC - 1);
return 0;

err_out:
rtl8169_rx_clear(tp);
return -ENOMEM;
}

static void rtl8169_init_ring_indexes(struct rtl8169_private *tp)
Expand All @@ -4062,16 +4063,7 @@ static int rtl8169_init_ring(struct net_device *dev)
memset(tp->tx_skb, 0x0, NUM_TX_DESC * sizeof(struct ring_info));
memset(tp->Rx_databuff, 0x0, NUM_RX_DESC * sizeof(void *));

if (rtl8169_rx_fill(tp, dev, 0, NUM_RX_DESC, GFP_KERNEL) != NUM_RX_DESC)
goto err_out;

rtl8169_mark_as_last_descriptor(tp->RxDescArray + NUM_RX_DESC - 1);

return 0;

err_out:
rtl8169_rx_clear(tp);
return -ENOMEM;
return rtl8169_rx_fill(tp);
}

static void rtl8169_unmap_tx_skb(struct pci_dev *pdev, struct ring_info *tx_skb,
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