http://www.scyld.com/network/epic100.html
---------------------------------------------------------------------
-
+
Linux kernel-specific changes:
-
+
LK1.1.2 (jgarzik):
* Merge becker version 1.09 (4/08/2000)
LK1.1.3:
* Major bugfix to 1.09 driver (Francis Romieu)
-
+
LK1.1.4 (jgarzik):
* Merge becker test version 1.09 (5/29/2000)
LK1.1.14 (Kryzsztof Halasa):
* fix spurious bad initializations
* pound phy a la SMSC's app note on the subject
-
+
AC1.1.14ac
* fix power up/down for ethtool that broke in 1.11
/* indexed by chip_t */
-static struct epic_chip_info pci_id_tbl[] = {
+static const struct epic_chip_info pci_id_tbl[] = {
{ "SMSC EPIC/100 83c170",
EPIC_IOTYPE, EPIC_TOTAL_SIZE, TYPE2_INTR | NO_MII | MII_PWRDWN },
{ "SMSC EPIC/100 83c170",
};
MODULE_DEVICE_TABLE (pci, epic_pci_tbl);
-
+
#ifndef USE_IO_OPS
#undef inb
#undef inw
RxDone | RxStarted | RxEarlyWarn | RxOverflow | RxFull)
#define EpicNormalEvent (0x0000ffff & ~EpicNapiEvent)
-static u16 media2miictl[16] = {
+static const u16 media2miictl[16] = {
0, 0x0C00, 0x0C00, 0x2000, 0x0100, 0x2100, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0 };
static struct net_device_stats *epic_get_stats(struct net_device *dev);
static void set_rx_mode(struct net_device *dev);
-\f
+
static int __devinit epic_init_one (struct pci_dev *pdev,
const struct pci_device_id *ent)
printk (KERN_INFO "%s" KERN_INFO "%s" KERN_INFO "%s",
version, version2, version3);
#endif
-
+
card_idx++;
-
+
ret = pci_enable_device(pdev);
if (ret)
goto out;
ret = -ENODEV;
goto err_out_disable;
}
-
+
pci_set_master(pdev);
ret = pci_request_regions(pdev, DRV_NAME);
ep->pci_dev = pdev;
ep->chip_id = chip_idx;
ep->chip_flags = pci_id_tbl[chip_idx].drv_flags;
- ep->irq_mask =
+ ep->irq_mask =
(ep->chip_flags & TYPE2_INTR ? PCIBusErr175 : PCIBusErr170)
| CntFull | TxUnderrun | EpicNapiEvent;
pci_disable_device(pdev);
goto out;
}
-\f
+
/* Serial EEPROM section. */
/* EEPROM_Ctrl bits. */
outw(value, ioaddr + MIIData);
outl((phy_id << 9) | (loc << 4) | MII_WRITEOP, ioaddr + MIICtrl);
- for (i = 10000; i > 0; i--) {
+ for (i = 10000; i > 0; i--) {
barrier();
if ((inl(ioaddr + MIICtrl) & MII_WRITEOP) == 0)
break;
return;
}
-\f
+
static int epic_open(struct net_device *dev)
{
struct epic_private *ep = dev->priv;
#endif
udelay(20); /* Looks like EPII needs that if you want reliable RX init. FIXME: pci posting bug? */
-
+
for (i = 0; i < 3; i++)
outl(cpu_to_le16(((u16*)dev->dev_addr)[i]), ioaddr + LAN0 + i*4);
/* Enable interrupts by setting the interrupt mask. */
outl((ep->chip_flags & TYPE2_INTR ? PCIBusErr175 : PCIBusErr170)
- | CntFull | TxUnderrun
+ | CntFull | TxUnderrun
| RxError | RxHeader | EpicNapiEvent, ioaddr + INTMASK);
if (debug > 1)
struct epic_private *ep = dev->priv;
netif_stop_queue (dev);
-
+
/* Disable interrupts by clearing the interrupt mask. */
outl(0x00000000, ioaddr + INTMASK);
/* Stop the chip's Tx and Rx DMA processes. */
for (i = 0; i < RX_RING_SIZE; i++) {
ep->rx_ring[i].rxstatus = 0;
ep->rx_ring[i].buflength = cpu_to_le32(ep->rx_buf_sz);
- ep->rx_ring[i].next = ep->rx_ring_dma +
+ ep->rx_ring[i].next = ep->rx_ring_dma +
(i+1)*sizeof(struct epic_rx_desc);
ep->rx_skbuff[i] = NULL;
}
break;
skb->dev = dev; /* Mark as being used by this device. */
skb_reserve(skb, 2); /* 16 byte align the IP header. */
- ep->rx_ring[i].bufaddr = pci_map_single(ep->pci_dev,
+ ep->rx_ring[i].bufaddr = pci_map_single(ep->pci_dev,
skb->data, ep->rx_buf_sz, PCI_DMA_FROMDEVICE);
ep->rx_ring[i].rxstatus = cpu_to_le32(DescOwn);
}
for (i = 0; i < TX_RING_SIZE; i++) {
ep->tx_skbuff[i] = NULL;
ep->tx_ring[i].txstatus = 0x0000;
- ep->tx_ring[i].next = ep->tx_ring_dma +
+ ep->tx_ring[i].next = ep->tx_ring_dma +
(i+1)*sizeof(struct epic_tx_desc);
}
ep->tx_ring[i-1].next = ep->tx_ring_dma;
int entry, free_count;
u32 ctrl_word;
unsigned long flags;
-
+
if (skb->len < ETH_ZLEN) {
skb = skb_padto(skb, ETH_ZLEN);
if (skb == NULL)
entry = ep->cur_tx % TX_RING_SIZE;
ep->tx_skbuff[entry] = skb;
- ep->tx_ring[entry].bufaddr = pci_map_single(ep->pci_dev, skb->data,
+ ep->tx_ring[entry].bufaddr = pci_map_single(ep->pci_dev, skb->data,
skb->len, PCI_DMA_TODEVICE);
if (free_count < TX_QUEUE_LEN/2) {/* Typical path */
ctrl_word = cpu_to_le32(0x100000); /* No interrupt */
/* Free the original skb. */
skb = ep->tx_skbuff[entry];
- pci_unmap_single(ep->pci_dev, ep->tx_ring[entry].bufaddr,
+ pci_unmap_single(ep->pci_dev, ep->tx_ring[entry].bufaddr,
skb->len, PCI_DMA_TODEVICE);
dev_kfree_skb_irq(skb);
ep->tx_skbuff[entry] = NULL;
ep->rx_buf_sz,
PCI_DMA_FROMDEVICE);
} else {
- pci_unmap_single(ep->pci_dev,
- ep->rx_ring[entry].bufaddr,
+ pci_unmap_single(ep->pci_dev,
+ ep->rx_ring[entry].bufaddr,
ep->rx_buf_sz, PCI_DMA_FROMDEVICE);
skb_put(skb = ep->rx_skbuff[entry], pkt_len);
ep->rx_skbuff[entry] = NULL;
break;
skb->dev = dev; /* Mark as being used by this device. */
skb_reserve(skb, 2); /* Align IP on 16 byte boundaries */
- ep->rx_ring[entry].bufaddr = pci_map_single(ep->pci_dev,
+ ep->rx_ring[entry].bufaddr = pci_map_single(ep->pci_dev,
skb->data, ep->rx_buf_sz, PCI_DMA_FROMDEVICE);
work_done++;
}
ep->rx_ring[i].rxstatus = 0; /* Not owned by Epic chip. */
ep->rx_ring[i].buflength = 0;
if (skb) {
- pci_unmap_single(ep->pci_dev, ep->rx_ring[i].bufaddr,
+ pci_unmap_single(ep->pci_dev, ep->rx_ring[i].bufaddr,
ep->rx_buf_sz, PCI_DMA_FROMDEVICE);
dev_kfree_skb(skb);
}
ep->tx_skbuff[i] = NULL;
if (!skb)
continue;
- pci_unmap_single(ep->pci_dev, ep->tx_ring[i].bufaddr,
+ pci_unmap_single(ep->pci_dev, ep->tx_ring[i].bufaddr,
skb->len, PCI_DMA_TODEVICE);
dev_kfree_skb(skb);
}
{
struct net_device *dev = pci_get_drvdata(pdev);
struct epic_private *ep = dev->priv;
-
+
pci_free_consistent(pdev, TX_TOTAL_SIZE, ep->tx_ring, ep->tx_ring_dma);
pci_free_consistent(pdev, RX_TOTAL_SIZE, ep->rx_ring, ep->rx_ring_dma);
unregister_netdev(dev);
git.openpandora.org / pandora-kernel.git / blobdiff