diff options
Diffstat (limited to 'drivers/net/b44.c')
-rw-r--r-- | drivers/net/b44.c | 59 |
1 files changed, 25 insertions, 34 deletions
diff --git a/drivers/net/b44.c b/drivers/net/b44.c index 879a2fff474..37f1b6ff5c1 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); @@ -1522,14 +1519,13 @@ static void b44_setup_pseudo_magicp(struct b44 *bp) u8 *pwol_pattern; u8 pwol_mask[B44_PMASK_SIZE]; - pwol_pattern = kmalloc(B44_PATTERN_SIZE, GFP_KERNEL); + pwol_pattern = kzalloc(B44_PATTERN_SIZE, GFP_KERNEL); if (!pwol_pattern) { printk(KERN_ERR PFX "Memory not available for WOL\n"); return; } /* Ipv4 magic packet pattern - pattern 0.*/ - memset(pwol_pattern, 0, B44_PATTERN_SIZE); memset(pwol_mask, 0, B44_PMASK_SIZE); plen0 = b44_magic_pattern(bp->dev->dev_addr, pwol_pattern, pwol_mask, B44_ETHIPV4UDP_HLEN); @@ -2093,11 +2089,6 @@ 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 +2339,11 @@ 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; } |