#define DRV_MODULE_NAME "bnx2"
#define PFX DRV_MODULE_NAME ": "
-#define DRV_MODULE_VERSION "1.4.43"
-#define DRV_MODULE_RELDATE "June 28, 2006"
+#define DRV_MODULE_VERSION "1.4.44"
+#define DRV_MODULE_RELDATE "August 10, 2006"
#define RUN_AT(x) (jiffies + (x))
static inline u32 bnx2_tx_avail(struct bnx2 *bp)
{
- u32 diff = TX_RING_IDX(bp->tx_prod) - TX_RING_IDX(bp->tx_cons);
+ u32 diff;
+ smp_mb();
+ diff = TX_RING_IDX(bp->tx_prod) - TX_RING_IDX(bp->tx_cons);
if (diff > MAX_TX_DESC_CNT)
diff = (diff & MAX_TX_DESC_CNT) - 1;
return (bp->tx_ring_size - diff);
struct rx_bd *rxbd = &bp->rx_desc_ring[RX_RING(index)][RX_IDX(index)];
unsigned long align;
- skb = dev_alloc_skb(bp->rx_buf_size);
+ skb = netdev_alloc_skb(bp->dev, bp->rx_buf_size);
if (skb == NULL) {
return -ENOMEM;
}
skb_reserve(skb, 8 - align);
}
- skb->dev = bp->dev;
mapping = pci_map_single(bp->pdev, skb->data, bp->rx_buf_use_size,
PCI_DMA_FROMDEVICE);
skb = tx_buf->skb;
#ifdef BCM_TSO
/* partial BD completions possible with TSO packets */
- if (skb_shinfo(skb)->gso_size) {
+ if (skb_is_gso(skb)) {
u16 last_idx, last_ring_idx;
last_idx = sw_cons +
}
bp->tx_cons = sw_cons;
+ /* Need to make the tx_cons update visible to bnx2_start_xmit()
+ * before checking for netif_queue_stopped(). Without the
+ * memory barrier, there is a small possibility that bnx2_start_xmit()
+ * will miss it and cause the queue to be stopped forever.
+ */
+ smp_mb();
- if (unlikely(netif_queue_stopped(bp->dev))) {
- spin_lock(&bp->tx_lock);
+ if (unlikely(netif_queue_stopped(bp->dev)) &&
+ (bnx2_tx_avail(bp) > bp->tx_wake_thresh)) {
+ netif_tx_lock(bp->dev);
if ((netif_queue_stopped(bp->dev)) &&
- (bnx2_tx_avail(bp) > MAX_SKB_FRAGS)) {
-
+ (bnx2_tx_avail(bp) > bp->tx_wake_thresh))
netif_wake_queue(bp->dev);
- }
- spin_unlock(&bp->tx_lock);
+ netif_tx_unlock(bp->dev);
}
}
if ((bp->dev->mtu > 1500) && (len <= RX_COPY_THRESH)) {
struct sk_buff *new_skb;
- new_skb = dev_alloc_skb(len + 2);
+ new_skb = netdev_alloc_skb(bp->dev, len + 2);
if (new_skb == NULL)
goto reuse_rx;
skb_reserve(new_skb, 2);
skb_put(new_skb, len);
- new_skb->dev = bp->dev;
bnx2_reuse_rx_skb(bp, skb,
sw_ring_cons, sw_ring_prod);
struct tx_bd *txbd;
u32 val;
+ bp->tx_wake_thresh = bp->tx_ring_size / 2;
+
txbd = &bp->tx_desc_ring[MAX_TX_DESC_CNT];
txbd->tx_bd_haddr_hi = (u64) bp->tx_desc_mapping >> 32;
return -EINVAL;
pkt_size = 1514;
- skb = dev_alloc_skb(pkt_size);
+ skb = netdev_alloc_skb(bp->dev, pkt_size);
if (!skb)
return -ENOMEM;
packet = skb_put(skb, pkt_size);
#endif
/* Called with netif_tx_lock.
- * hard_start_xmit is pseudo-lockless - a lock is only required when
- * the tx queue is full. This way, we get the benefit of lockless
- * operations most of the time without the complexities to handle
- * netif_stop_queue/wake_queue race conditions.
+ * bnx2_tx_int() runs without netif_tx_lock unless it needs to call
+ * netif_wake_queue().
*/
static int
bnx2_start_xmit(struct sk_buff *skb, struct net_device *dev)
dev->trans_start = jiffies;
if (unlikely(bnx2_tx_avail(bp) <= MAX_SKB_FRAGS)) {
- spin_lock(&bp->tx_lock);
netif_stop_queue(dev);
-
- if (bnx2_tx_avail(bp) > MAX_SKB_FRAGS)
+ if (bnx2_tx_avail(bp) > bp->tx_wake_thresh)
netif_wake_queue(dev);
- spin_unlock(&bp->tx_lock);
}
return NETDEV_TX_OK;
/* enable device (incl. PCI PM wakeup), and bus-mastering */
rc = pci_enable_device(pdev);
if (rc) {
- printk(KERN_ERR PFX "Cannot enable PCI device, aborting.");
+ dev_err(&pdev->dev, "Cannot enable PCI device, aborting.");
goto err_out;
}
if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
- printk(KERN_ERR PFX "Cannot find PCI device base address, "
- "aborting.\n");
+ dev_err(&pdev->dev,
+ "Cannot find PCI device base address, aborting.\n");
rc = -ENODEV;
goto err_out_disable;
}
rc = pci_request_regions(pdev, DRV_MODULE_NAME);
if (rc) {
- printk(KERN_ERR PFX "Cannot obtain PCI resources, aborting.\n");
+ dev_err(&pdev->dev, "Cannot obtain PCI resources, aborting.\n");
goto err_out_disable;
}
bp->pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
if (bp->pm_cap == 0) {
- printk(KERN_ERR PFX "Cannot find power management capability, "
- "aborting.\n");
+ dev_err(&pdev->dev,
+ "Cannot find power management capability, aborting.\n");
rc = -EIO;
goto err_out_release;
}
bp->pcix_cap = pci_find_capability(pdev, PCI_CAP_ID_PCIX);
if (bp->pcix_cap == 0) {
- printk(KERN_ERR PFX "Cannot find PCIX capability, aborting.\n");
+ dev_err(&pdev->dev, "Cannot find PCIX capability, aborting.\n");
rc = -EIO;
goto err_out_release;
}
if (pci_set_dma_mask(pdev, DMA_64BIT_MASK) == 0) {
bp->flags |= USING_DAC_FLAG;
if (pci_set_consistent_dma_mask(pdev, DMA_64BIT_MASK) != 0) {
- printk(KERN_ERR PFX "pci_set_consistent_dma_mask "
- "failed, aborting.\n");
+ dev_err(&pdev->dev,
+ "pci_set_consistent_dma_mask failed, aborting.\n");
rc = -EIO;
goto err_out_release;
}
}
else if (pci_set_dma_mask(pdev, DMA_32BIT_MASK) != 0) {
- printk(KERN_ERR PFX "System does not support DMA, aborting.\n");
+ dev_err(&pdev->dev, "System does not support DMA, aborting.\n");
rc = -EIO;
goto err_out_release;
}
bp->pdev = pdev;
spin_lock_init(&bp->phy_lock);
- spin_lock_init(&bp->tx_lock);
INIT_WORK(&bp->reset_task, bnx2_reset_task, bp);
dev->base_addr = dev->mem_start = pci_resource_start(pdev, 0);
bp->regview = ioremap_nocache(dev->base_addr, mem_len);
if (!bp->regview) {
- printk(KERN_ERR PFX "Cannot map register space, aborting.\n");
+ dev_err(&pdev->dev, "Cannot map register space, aborting.\n");
rc = -ENOMEM;
goto err_out_release;
}
else if ((CHIP_ID(bp) == CHIP_ID_5706_A1) &&
!(bp->flags & PCIX_FLAG)) {
- printk(KERN_ERR PFX "5706 A1 can only be used in a PCIX bus, "
- "aborting.\n");
+ dev_err(&pdev->dev,
+ "5706 A1 can only be used in a PCIX bus, aborting.\n");
goto err_out_unmap;
}
if ((reg & BNX2_DEV_INFO_SIGNATURE_MAGIC_MASK) !=
BNX2_DEV_INFO_SIGNATURE_MAGIC) {
- printk(KERN_ERR PFX "Firmware not running, aborting.\n");
+ dev_err(&pdev->dev, "Firmware not running, aborting.\n");
rc = -ENODEV;
goto err_out_unmap;
}
bp->mac_addr[5] = (u8) reg;
bp->tx_ring_size = MAX_TX_DESC_CNT;
- bnx2_set_rx_ring_size(bp, 100);
+ bnx2_set_rx_ring_size(bp, 255);
bp->rx_csum = 1;
#endif
if ((rc = register_netdev(dev))) {
- printk(KERN_ERR PFX "Cannot register net device\n");
+ dev_err(&pdev->dev, "Cannot register net device\n");
if (bp->regview)
iounmap(bp->regview);
pci_release_regions(pdev);
git.openpandora.org / pandora-kernel.git / blobdiff