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path: root/drivers/net/b44.c
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Diffstat (limited to 'drivers/net/b44.c')
-rw-r--r--drivers/net/b44.c56
1 files changed, 24 insertions, 32 deletions
diff --git a/drivers/net/b44.c b/drivers/net/b44.c
index 879a2fff474e..96fb0ec905a7 100644
--- a/drivers/net/b44.c
+++ b/drivers/net/b44.c
@@ -15,6 +15,7 @@
#include <linux/ethtool.h>
#include <linux/mii.h>
#include <linux/if_ether.h>
+#include <linux/if_vlan.h>
#include <linux/etherdevice.h>
#include <linux/pci.h>
#include <linux/delay.h>
@@ -68,8 +69,8 @@
(BP)->tx_cons - (BP)->tx_prod - TX_RING_GAP(BP))
#define NEXT_TX(N) (((N) + 1) & (B44_TX_RING_SIZE - 1))
-#define RX_PKT_BUF_SZ (1536 + bp->rx_offset + 64)
-#define TX_PKT_BUF_SZ (B44_MAX_MTU + ETH_HLEN + 8)
+#define RX_PKT_OFFSET 30
+#define RX_PKT_BUF_SZ (1536 + RX_PKT_OFFSET + 64)
/* minimum number of free TX descriptors required to wake up TX process */
#define B44_TX_WAKEUP_THRESH (B44_TX_RING_SIZE / 4)
@@ -599,8 +600,7 @@ static void b44_timer(unsigned long __opaque)
spin_unlock_irq(&bp->lock);
- bp->timer.expires = jiffies + HZ;
- add_timer(&bp->timer);
+ mod_timer(&bp->timer, round_jiffies(jiffies + HZ));
}
static void b44_tx(struct b44 *bp)
@@ -653,7 +653,7 @@ static int b44_alloc_rx_skb(struct b44 *bp, int src_idx, u32 dest_idx_unmasked)
src_map = &bp->rx_buffers[src_idx];
dest_idx = dest_idx_unmasked & (B44_RX_RING_SIZE - 1);
map = &bp->rx_buffers[dest_idx];
- skb = dev_alloc_skb(RX_PKT_BUF_SZ);
+ skb = netdev_alloc_skb(bp->dev, RX_PKT_BUF_SZ);
if (skb == NULL)
return -ENOMEM;
@@ -669,7 +669,7 @@ static int b44_alloc_rx_skb(struct b44 *bp, int src_idx, u32 dest_idx_unmasked)
if (!dma_mapping_error(mapping))
pci_unmap_single(bp->pdev, mapping, RX_PKT_BUF_SZ,PCI_DMA_FROMDEVICE);
dev_kfree_skb_any(skb);
- skb = __dev_alloc_skb(RX_PKT_BUF_SZ,GFP_DMA);
+ skb = __netdev_alloc_skb(bp->dev, RX_PKT_BUF_SZ, GFP_ATOMIC|GFP_DMA);
if (skb == NULL)
return -ENOMEM;
mapping = pci_map_single(bp->pdev, skb->data,
@@ -684,11 +684,9 @@ static int b44_alloc_rx_skb(struct b44 *bp, int src_idx, u32 dest_idx_unmasked)
}
}
- skb->dev = bp->dev;
- skb_reserve(skb, bp->rx_offset);
+ rh = (struct rx_header *) skb->data;
+ skb_reserve(skb, RX_PKT_OFFSET);
- rh = (struct rx_header *)
- (skb->data - bp->rx_offset);
rh->len = 0;
rh->flags = 0;
@@ -698,13 +696,13 @@ static int b44_alloc_rx_skb(struct b44 *bp, int src_idx, u32 dest_idx_unmasked)
if (src_map != NULL)
src_map->skb = NULL;
- ctrl = (DESC_CTRL_LEN & (RX_PKT_BUF_SZ - bp->rx_offset));
+ ctrl = (DESC_CTRL_LEN & (RX_PKT_BUF_SZ - RX_PKT_OFFSET));
if (dest_idx == (B44_RX_RING_SIZE - 1))
ctrl |= DESC_CTRL_EOT;
dp = &bp->rx_ring[dest_idx];
dp->ctrl = cpu_to_le32(ctrl);
- dp->addr = cpu_to_le32((u32) mapping + bp->rx_offset + bp->dma_offset);
+ dp->addr = cpu_to_le32((u32) mapping + RX_PKT_OFFSET + bp->dma_offset);
if (bp->flags & B44_FLAG_RX_RING_HACK)
b44_sync_dma_desc_for_device(bp->pdev, bp->rx_ring_dma,
@@ -783,7 +781,7 @@ static int b44_rx(struct b44 *bp, int budget)
PCI_DMA_FROMDEVICE);
rh = (struct rx_header *) skb->data;
len = le16_to_cpu(rh->len);
- if ((len > (RX_PKT_BUF_SZ - bp->rx_offset)) ||
+ if ((len > (RX_PKT_BUF_SZ - RX_PKT_OFFSET)) ||
(rh->flags & cpu_to_le16(RX_FLAG_ERRORS))) {
drop_it:
b44_recycle_rx(bp, cons, bp->rx_prod);
@@ -815,8 +813,8 @@ static int b44_rx(struct b44 *bp, int budget)
pci_unmap_single(bp->pdev, map,
skb_size, PCI_DMA_FROMDEVICE);
/* Leave out rx_header */
- skb_put(skb, len+bp->rx_offset);
- skb_pull(skb,bp->rx_offset);
+ skb_put(skb, len + RX_PKT_OFFSET);
+ skb_pull(skb, RX_PKT_OFFSET);
} else {
struct sk_buff *copy_skb;
@@ -828,7 +826,7 @@ static int b44_rx(struct b44 *bp, int budget)
skb_reserve(copy_skb, 2);
skb_put(copy_skb, len);
/* DMA sync done above, copy just the actual packet */
- skb_copy_from_linear_data_offset(skb, bp->rx_offset,
+ skb_copy_from_linear_data_offset(skb, RX_PKT_OFFSET,
copy_skb->data, len);
skb = copy_skb;
}
@@ -969,7 +967,6 @@ static void b44_tx_timeout(struct net_device *dev)
static int b44_start_xmit(struct sk_buff *skb, struct net_device *dev)
{
struct b44 *bp = netdev_priv(dev);
- struct sk_buff *bounce_skb;
int rc = NETDEV_TX_OK;
dma_addr_t mapping;
u32 len, entry, ctrl;
@@ -987,12 +984,13 @@ static int b44_start_xmit(struct sk_buff *skb, struct net_device *dev)
mapping = pci_map_single(bp->pdev, skb->data, len, PCI_DMA_TODEVICE);
if (dma_mapping_error(mapping) || mapping + len > DMA_30BIT_MASK) {
+ struct sk_buff *bounce_skb;
+
/* Chip can't handle DMA to/from >1GB, use bounce buffer */
if (!dma_mapping_error(mapping))
pci_unmap_single(bp->pdev, mapping, len, PCI_DMA_TODEVICE);
- bounce_skb = __dev_alloc_skb(TX_PKT_BUF_SZ,
- GFP_ATOMIC|GFP_DMA);
+ bounce_skb = __dev_alloc_skb(len, GFP_ATOMIC | GFP_DMA);
if (!bounce_skb)
goto err_out;
@@ -1001,13 +999,12 @@ static int b44_start_xmit(struct sk_buff *skb, struct net_device *dev)
if (dma_mapping_error(mapping) || mapping + len > DMA_30BIT_MASK) {
if (!dma_mapping_error(mapping))
pci_unmap_single(bp->pdev, mapping,
- len, PCI_DMA_TODEVICE);
+ len, PCI_DMA_TODEVICE);
dev_kfree_skb_any(bounce_skb);
goto err_out;
}
- skb_copy_from_linear_data(skb, skb_put(bounce_skb, len),
- skb->len);
+ skb_copy_from_linear_data(skb, skb_put(bounce_skb, len), len);
dev_kfree_skb_any(skb);
skb = bounce_skb;
}
@@ -1396,12 +1393,12 @@ static void b44_init_hw(struct b44 *bp, int reset_kind)
bw32(bp, B44_TX_WMARK, 56); /* XXX magic */
if (reset_kind == B44_PARTIAL_RESET) {
bw32(bp, B44_DMARX_CTRL, (DMARX_CTRL_ENABLE |
- (bp->rx_offset << DMARX_CTRL_ROSHIFT)));
+ (RX_PKT_OFFSET << DMARX_CTRL_ROSHIFT)));
} else {
bw32(bp, B44_DMATX_CTRL, DMATX_CTRL_ENABLE);
bw32(bp, B44_DMATX_ADDR, bp->tx_ring_dma + bp->dma_offset);
bw32(bp, B44_DMARX_CTRL, (DMARX_CTRL_ENABLE |
- (bp->rx_offset << DMARX_CTRL_ROSHIFT)));
+ (RX_PKT_OFFSET << DMARX_CTRL_ROSHIFT)));
bw32(bp, B44_DMARX_ADDR, bp->rx_ring_dma + bp->dma_offset);
bw32(bp, B44_DMARX_PTR, bp->rx_pending);
@@ -2093,11 +2090,6 @@ static int __devinit b44_get_invariants(struct b44 *bp)
bp->phy_addr = eeprom[90] & 0x1f;
- /* With this, plus the rx_header prepended to the data by the
- * hardware, we'll land the ethernet header on a 2-byte boundary.
- */
- bp->rx_offset = 30;
-
bp->imask = IMASK_DEF;
bp->core_unit = ssb_core_unit(bp);
@@ -2348,11 +2340,11 @@ static int b44_resume(struct pci_dev *pdev)
netif_device_attach(bp->dev);
spin_unlock_irq(&bp->lock);
- bp->timer.expires = jiffies + HZ;
- add_timer(&bp->timer);
-
b44_enable_ints(bp);
netif_wake_queue(dev);
+
+ mod_timer(&bp->timer, jiffies + 1);
+
return 0;
}
generated by cgit v1.2.3-58-ga151 (git 2.39.0) at 2024-12-20 14:35:54 +0000