diff options
Diffstat (limited to 'drivers/net/pcnet32.c')
-rw-r--r-- | drivers/net/pcnet32.c | 77 |
1 files changed, 34 insertions, 43 deletions
diff --git a/drivers/net/pcnet32.c b/drivers/net/pcnet32.c index 0791360a6a66..cc35bf562f30 100644 --- a/drivers/net/pcnet32.c +++ b/drivers/net/pcnet32.c @@ -253,12 +253,12 @@ struct pcnet32_access { * so the structure should be allocated using pci_alloc_consistent(). */ struct pcnet32_private { - struct pcnet32_init_block init_block; + struct pcnet32_init_block *init_block; /* The Tx and Rx ring entries must be aligned on 16-byte boundaries in 32bit mode. */ struct pcnet32_rx_head *rx_ring; struct pcnet32_tx_head *tx_ring; - dma_addr_t dma_addr;/* DMA address of beginning of this - object, returned by pci_alloc_consistent */ + dma_addr_t init_dma_addr;/* DMA address of beginning of the init block, + returned by pci_alloc_consistent */ struct pci_dev *pci_dev; const char *name; /* The saved address of a sent-in-place packet/buffer, for skfree(). */ @@ -1592,7 +1592,6 @@ static int __devinit pcnet32_probe1(unsigned long ioaddr, int shared, struct pci_dev *pdev) { struct pcnet32_private *lp; - dma_addr_t lp_dma_addr; int i, media; int fdx, mii, fset, dxsuflo; int chip_version; @@ -1714,7 +1713,7 @@ pcnet32_probe1(unsigned long ioaddr, int shared, struct pci_dev *pdev) dxsuflo = 1; } - dev = alloc_etherdev(0); + dev = alloc_etherdev(sizeof(*lp)); if (!dev) { if (pcnet32_debug & NETIF_MSG_PROBE) printk(KERN_ERR PFX "Memory allocation failed.\n"); @@ -1805,25 +1804,22 @@ pcnet32_probe1(unsigned long ioaddr, int shared, struct pci_dev *pdev) } dev->base_addr = ioaddr; + lp = dev->priv; /* pci_alloc_consistent returns page-aligned memory, so we do not have to check the alignment */ - if ((lp = - pci_alloc_consistent(pdev, sizeof(*lp), &lp_dma_addr)) == NULL) { + if ((lp->init_block = + pci_alloc_consistent(pdev, sizeof(*lp->init_block), &lp->init_dma_addr)) == NULL) { if (pcnet32_debug & NETIF_MSG_PROBE) printk(KERN_ERR PFX "Consistent memory allocation failed.\n"); ret = -ENOMEM; goto err_free_netdev; } - - memset(lp, 0, sizeof(*lp)); - lp->dma_addr = lp_dma_addr; lp->pci_dev = pdev; spin_lock_init(&lp->lock); SET_MODULE_OWNER(dev); SET_NETDEV_DEV(dev, &pdev->dev); - dev->priv = lp; lp->name = chipname; lp->shared_irq = shared; lp->tx_ring_size = TX_RING_SIZE; /* default tx ring size */ @@ -1870,23 +1866,21 @@ pcnet32_probe1(unsigned long ioaddr, int shared, struct pci_dev *pdev) && dev->dev_addr[2] == 0x75) lp->options = PCNET32_PORT_FD | PCNET32_PORT_GPSI; - lp->init_block.mode = le16_to_cpu(0x0003); /* Disable Rx and Tx. */ - lp->init_block.tlen_rlen = + lp->init_block->mode = le16_to_cpu(0x0003); /* Disable Rx and Tx. */ + lp->init_block->tlen_rlen = le16_to_cpu(lp->tx_len_bits | lp->rx_len_bits); for (i = 0; i < 6; i++) - lp->init_block.phys_addr[i] = dev->dev_addr[i]; - lp->init_block.filter[0] = 0x00000000; - lp->init_block.filter[1] = 0x00000000; - lp->init_block.rx_ring = (u32) le32_to_cpu(lp->rx_ring_dma_addr); - lp->init_block.tx_ring = (u32) le32_to_cpu(lp->tx_ring_dma_addr); + lp->init_block->phys_addr[i] = dev->dev_addr[i]; + lp->init_block->filter[0] = 0x00000000; + lp->init_block->filter[1] = 0x00000000; + lp->init_block->rx_ring = (u32) le32_to_cpu(lp->rx_ring_dma_addr); + lp->init_block->tx_ring = (u32) le32_to_cpu(lp->tx_ring_dma_addr); /* switch pcnet32 to 32bit mode */ a->write_bcr(ioaddr, 20, 2); - a->write_csr(ioaddr, 1, (lp->dma_addr + offsetof(struct pcnet32_private, - init_block)) & 0xffff); - a->write_csr(ioaddr, 2, (lp->dma_addr + offsetof(struct pcnet32_private, - init_block)) >> 16); + a->write_csr(ioaddr, 1, (lp->init_dma_addr & 0xffff)); + a->write_csr(ioaddr, 2, (lp->init_dma_addr >> 16)); if (pdev) { /* use the IRQ provided by PCI */ dev->irq = pdev->irq; @@ -1992,7 +1986,8 @@ pcnet32_probe1(unsigned long ioaddr, int shared, struct pci_dev *pdev) err_free_ring: pcnet32_free_ring(dev); err_free_consistent: - pci_free_consistent(lp->pci_dev, sizeof(*lp), lp, lp->dma_addr); + pci_free_consistent(lp->pci_dev, sizeof(*lp->init_block), + lp->init_block, lp->init_dma_addr); err_free_netdev: free_netdev(dev); err_release_region: @@ -2134,8 +2129,7 @@ static int pcnet32_open(struct net_device *dev) "%s: pcnet32_open() irq %d tx/rx rings %#x/%#x init %#x.\n", dev->name, dev->irq, (u32) (lp->tx_ring_dma_addr), (u32) (lp->rx_ring_dma_addr), - (u32) (lp->dma_addr + - offsetof(struct pcnet32_private, init_block))); + (u32) (lp->init_dma_addr)); /* set/reset autoselect bit */ val = lp->a.read_bcr(ioaddr, 2) & ~2; @@ -2274,7 +2268,7 @@ static int pcnet32_open(struct net_device *dev) } #endif - lp->init_block.mode = + lp->init_block->mode = le16_to_cpu((lp->options & PCNET32_PORT_PORTSEL) << 7); pcnet32_load_multicast(dev); @@ -2284,12 +2278,8 @@ static int pcnet32_open(struct net_device *dev) } /* Re-initialize the PCNET32, and start it when done. */ - lp->a.write_csr(ioaddr, 1, (lp->dma_addr + - offsetof(struct pcnet32_private, - init_block)) & 0xffff); - lp->a.write_csr(ioaddr, 2, - (lp->dma_addr + - offsetof(struct pcnet32_private, init_block)) >> 16); + lp->a.write_csr(ioaddr, 1, (lp->init_dma_addr & 0xffff)); + lp->a.write_csr(ioaddr, 2, (lp->init_dma_addr >> 16)); lp->a.write_csr(ioaddr, CSR4, 0x0915); /* auto tx pad */ lp->a.write_csr(ioaddr, CSR0, CSR0_INIT); @@ -2316,8 +2306,7 @@ static int pcnet32_open(struct net_device *dev) printk(KERN_DEBUG "%s: pcnet32 open after %d ticks, init block %#x csr0 %4.4x.\n", dev->name, i, - (u32) (lp->dma_addr + - offsetof(struct pcnet32_private, init_block)), + (u32) (lp->init_dma_addr), lp->a.read_csr(ioaddr, CSR0)); spin_unlock_irqrestore(&lp->lock, flags); @@ -2417,12 +2406,12 @@ static int pcnet32_init_ring(struct net_device *dev) lp->tx_dma_addr[i] = 0; } - lp->init_block.tlen_rlen = + lp->init_block->tlen_rlen = le16_to_cpu(lp->tx_len_bits | lp->rx_len_bits); for (i = 0; i < 6; i++) - lp->init_block.phys_addr[i] = dev->dev_addr[i]; - lp->init_block.rx_ring = (u32) le32_to_cpu(lp->rx_ring_dma_addr); - lp->init_block.tx_ring = (u32) le32_to_cpu(lp->tx_ring_dma_addr); + lp->init_block->phys_addr[i] = dev->dev_addr[i]; + lp->init_block->rx_ring = (u32) le32_to_cpu(lp->rx_ring_dma_addr); + lp->init_block->tx_ring = (u32) le32_to_cpu(lp->tx_ring_dma_addr); wmb(); /* Make sure all changes are visible */ return 0; } @@ -2707,7 +2696,7 @@ static struct net_device_stats *pcnet32_get_stats(struct net_device *dev) static void pcnet32_load_multicast(struct net_device *dev) { struct pcnet32_private *lp = dev->priv; - volatile struct pcnet32_init_block *ib = &lp->init_block; + volatile struct pcnet32_init_block *ib = lp->init_block; volatile u16 *mcast_table = (u16 *) & ib->filter; struct dev_mc_list *dmi = dev->mc_list; unsigned long ioaddr = dev->base_addr; @@ -2767,12 +2756,12 @@ static void pcnet32_set_multicast_list(struct net_device *dev) if (netif_msg_hw(lp)) printk(KERN_INFO "%s: Promiscuous mode enabled.\n", dev->name); - lp->init_block.mode = + lp->init_block->mode = le16_to_cpu(0x8000 | (lp->options & PCNET32_PORT_PORTSEL) << 7); lp->a.write_csr(ioaddr, CSR15, csr15 | 0x8000); } else { - lp->init_block.mode = + lp->init_block->mode = le16_to_cpu((lp->options & PCNET32_PORT_PORTSEL) << 7); lp->a.write_csr(ioaddr, CSR15, csr15 & 0x7fff); pcnet32_load_multicast(dev); @@ -2965,7 +2954,8 @@ static void __devexit pcnet32_remove_one(struct pci_dev *pdev) unregister_netdev(dev); pcnet32_free_ring(dev); release_region(dev->base_addr, PCNET32_TOTAL_SIZE); - pci_free_consistent(lp->pci_dev, sizeof(*lp), lp, lp->dma_addr); + pci_free_consistent(lp->pci_dev, sizeof(*lp->init_block), + lp->init_block, lp->init_dma_addr); free_netdev(dev); pci_disable_device(pdev); pci_set_drvdata(pdev, NULL); @@ -3045,7 +3035,8 @@ static void __exit pcnet32_cleanup_module(void) unregister_netdev(pcnet32_dev); pcnet32_free_ring(pcnet32_dev); release_region(pcnet32_dev->base_addr, PCNET32_TOTAL_SIZE); - pci_free_consistent(lp->pci_dev, sizeof(*lp), lp, lp->dma_addr); + pci_free_consistent(lp->pci_dev, sizeof(*lp->init_block), + lp->init_block, lp->init_dma_addr); free_netdev(pcnet32_dev); pcnet32_dev = next_dev; } |