*/
#define DRV_NAME "winbond-840"
-#define DRV_VERSION "1.01-d"
-#define DRV_RELDATE "Nov-17-2001"
+#define DRV_VERSION "1.01-e"
+#define DRV_RELDATE "Sep-11-2006"
/* Automatically extracted configuration info:
Making the Tx ring too large decreases the effectiveness of channel
bonding and packet priority.
There are no ill effects from too-large receive rings. */
-#define TX_RING_SIZE 16
#define TX_QUEUE_LEN 10 /* Limit ring entries actually used. */
#define TX_QUEUE_LEN_RESTART 5
-#define RX_RING_SIZE 32
#define TX_BUFLIMIT (1024-128)
/* Time in jiffies before concluding the transmitter is hung. */
#define TX_TIMEOUT (2*HZ)
-#define PKT_BUF_SZ 1536 /* Size of each temporary Rx buffer.*/
-
/* Include files, designed to support most kernel versions 2.0.0 and later. */
#include <linux/module.h>
#include <linux/kernel.h>
#include <asm/io.h>
#include <asm/irq.h>
+#include "tulip.h"
+
+#undef PKT_BUF_SZ /* tulip.h also defines this */
+#define PKT_BUF_SZ 1536 /* Size of each temporary Rx buffer.*/
+
/* These identify the driver base version and may not be removed. */
-static char version[] __devinitdata =
-KERN_INFO DRV_NAME ".c:v" DRV_VERSION " (2.4 port) " DRV_RELDATE " Donald Becker <becker@scyld.com>\n"
-KERN_INFO " http://www.scyld.com/network/drivers.html\n";
+static const char version[] __initconst =
+ KERN_INFO DRV_NAME ".c:v" DRV_VERSION " (2.4 port) "
+ DRV_RELDATE " Donald Becker <becker@scyld.com>\n"
+ " http://www.scyld.com/network/drivers.html\n";
MODULE_AUTHOR("Donald Becker <becker@scyld.com>");
MODULE_DESCRIPTION("Winbond W89c840 Ethernet driver");
};
/* This driver was written to use PCI memory space, however some x86 systems
- work only with I/O space accesses. Pass -DUSE_IO_OPS to use PCI I/O space
- accesses instead of memory space. */
+ work only with I/O space accesses. See CONFIG_TULIP_MMIO in .config
+*/
/* Offsets to the Command and Status Registers, "CSRs".
While similar to the Tulip, these registers are longword aligned.
CurTxDescAddr=0x4C, CurTxBufAddr=0x50,
};
-/* Bits in the interrupt status/enable registers. */
-/* The bits in the Intr Status/Enable registers, mostly interrupt sources. */
-enum intr_status_bits {
- NormalIntr=0x10000, AbnormalIntr=0x8000,
- IntrPCIErr=0x2000, TimerInt=0x800,
- IntrRxDied=0x100, RxNoBuf=0x80, IntrRxDone=0x40,
- TxFIFOUnderflow=0x20, RxErrIntr=0x10,
- TxIdle=0x04, IntrTxStopped=0x02, IntrTxDone=0x01,
-};
-
/* Bits in the NetworkConfig register. */
enum rx_mode_bits {
- AcceptErr=0x80, AcceptRunt=0x40,
- AcceptBroadcast=0x20, AcceptMulticast=0x10,
- AcceptAllPhys=0x08, AcceptMyPhys=0x02,
+ AcceptErr=0x80,
+ RxAcceptBroadcast=0x20, AcceptMulticast=0x10,
+ RxAcceptAllPhys=0x08, AcceptMyPhys=0x02,
};
enum mii_reg_bits {
u32 buffer1, buffer2;
};
-/* Bits in network_desc.status */
-enum desc_status_bits {
- DescOwn=0x80000000, DescEndRing=0x02000000, DescUseLink=0x01000000,
- DescWholePkt=0x60000000, DescStartPkt=0x20000000, DescEndPkt=0x40000000,
- DescIntr=0x80000000,
-};
-
#define MII_CNT 1 /* winbond only supports one MII */
struct netdev_private {
struct w840_rx_desc *rx_ring;
static void tx_timeout(struct net_device *dev);
static int alloc_ringdesc(struct net_device *dev);
static void free_ringdesc(struct netdev_private *np);
-static int start_tx(struct sk_buff *skb, struct net_device *dev);
-static irqreturn_t intr_handler(int irq, void *dev_instance, struct pt_regs *regs);
+static netdev_tx_t start_tx(struct sk_buff *skb, struct net_device *dev);
+static irqreturn_t intr_handler(int irq, void *dev_instance);
static void netdev_error(struct net_device *dev, int intr_status);
static int netdev_rx(struct net_device *dev);
static u32 __set_rx_mode(struct net_device *dev);
static void set_rx_mode(struct net_device *dev);
static struct net_device_stats *get_stats(struct net_device *dev);
static int netdev_ioctl(struct net_device *dev, struct ifreq *rq, int cmd);
-static struct ethtool_ops netdev_ethtool_ops;
+static const struct ethtool_ops netdev_ethtool_ops;
static int netdev_close(struct net_device *dev);
-
+static const struct net_device_ops netdev_ops = {
+ .ndo_open = netdev_open,
+ .ndo_stop = netdev_close,
+ .ndo_start_xmit = start_tx,
+ .ndo_get_stats = get_stats,
+ .ndo_set_multicast_list = set_rx_mode,
+ .ndo_do_ioctl = netdev_ioctl,
+ .ndo_tx_timeout = tx_timeout,
+ .ndo_change_mtu = eth_change_mtu,
+ .ndo_set_mac_address = eth_mac_addr,
+ .ndo_validate_addr = eth_validate_addr,
+};
static int __devinit w840_probe1 (struct pci_dev *pdev,
const struct pci_device_id *ent)
int irq;
int i, option = find_cnt < MAX_UNITS ? options[find_cnt] : 0;
void __iomem *ioaddr;
- int bar = 1;
i = pci_enable_device(pdev);
if (i) return i;
irq = pdev->irq;
- if (pci_set_dma_mask(pdev, DMA_32BIT_MASK)) {
+ if (pci_set_dma_mask(pdev, DMA_BIT_MASK(32))) {
printk(KERN_WARNING "Winbond-840: Device %s disabled due to DMA limitations.\n",
pci_name(pdev));
return -EIO;
dev = alloc_etherdev(sizeof(*np));
if (!dev)
return -ENOMEM;
- SET_MODULE_OWNER(dev);
SET_NETDEV_DEV(dev, &pdev->dev);
if (pci_request_regions(pdev, DRV_NAME))
goto err_out_netdev;
-#ifdef USE_IO_OPS
- bar = 0;
-#endif
- ioaddr = pci_iomap(pdev, bar, netdev_res_size);
+
+ ioaddr = pci_iomap(pdev, TULIP_BAR, netdev_res_size);
if (!ioaddr)
goto err_out_free_res;
for (i = 0; i < 3; i++)
- ((u16 *)dev->dev_addr)[i] = le16_to_cpu(eeprom_read(ioaddr, i));
+ ((__le16 *)dev->dev_addr)[i] = cpu_to_le16(eeprom_read(ioaddr, i));
/* Reset the chip to erase previous misconfiguration.
No hold time required! */
np->mii_if.force_media = 1;
/* The chip-specific entries in the device structure. */
- dev->open = &netdev_open;
- dev->hard_start_xmit = &start_tx;
- dev->stop = &netdev_close;
- dev->get_stats = &get_stats;
- dev->set_multicast_list = &set_rx_mode;
- dev->do_ioctl = &netdev_ioctl;
+ dev->netdev_ops = &netdev_ops;
dev->ethtool_ops = &netdev_ethtool_ops;
- dev->tx_timeout = &tx_timeout;
dev->watchdog_timeo = TX_TIMEOUT;
i = register_netdev(dev);
if (i)
goto err_out_cleardev;
- printk(KERN_INFO "%s: %s at %p, ",
- dev->name, pci_id_tbl[chip_idx].name, ioaddr);
- for (i = 0; i < 5; i++)
- printk("%2.2x:", dev->dev_addr[i]);
- printk("%2.2x, IRQ %d.\n", dev->dev_addr[i], irq);
+ printk(KERN_INFO "%s: %s at %p, %pM, IRQ %d.\n",
+ dev->name, pci_id_tbl[chip_idx].name, ioaddr,
+ dev->dev_addr, irq);
if (np->drv_flags & CanHaveMII) {
int phy, phy_idx = 0;
a delay. Note that pre-2.0.34 kernels had a cache-alignment bug that
made udelay() unreliable.
The old method of using an ISA access as a delay, __SLOW_DOWN_IO__, is
- depricated.
+ deprecated.
*/
#define eeprom_delay(ee_addr) ioread32(ee_addr)
iowrite32(0x00000001, ioaddr + PCIBusCfg); /* Reset */
netif_device_detach(dev);
- i = request_irq(dev->irq, &intr_handler, IRQF_SHARED, dev->name, dev);
+ i = request_irq(dev->irq, intr_handler, IRQF_SHARED, dev->name, dev);
if (i)
goto out_err;
np->rx_skbuff[i] = skb;
if (skb == NULL)
break;
- skb->dev = dev; /* Mark as being used by this device. */
np->rx_addr[i] = pci_map_single(np->pci_dev,skb->data,
np->rx_buf_sz,PCI_DMA_FROMDEVICE);
np->rx_ring[i].buffer1 = np->rx_addr[i];
- np->rx_ring[i].status = DescOwn;
+ np->rx_ring[i].status = DescOwned;
}
np->cur_rx = 0;
}
#elif defined(__powerpc__) || defined(__i386__) || defined(__alpha__) || defined(__ia64__) || defined(__x86_64__)
i |= 0xE000;
-#elif defined(__sparc__)
+#elif defined(CONFIG_SPARC) || defined (CONFIG_PARISC)
i |= 0x4800;
#else
#warning Processor architecture undefined
printk(KERN_DEBUG " Rx ring %p: ", np->rx_ring);
for (i = 0; i < RX_RING_SIZE; i++)
printk(" %8.8x", (unsigned int)np->rx_ring[i].status);
- printk("\n"KERN_DEBUG" Tx ring %p: ", np->tx_ring);
+ printk(KERN_DEBUG" Tx ring %p: ", np->tx_ring);
for (i = 0; i < TX_RING_SIZE; i++)
printk(" %8.8x", np->tx_ring[i].status);
printk("\n");
}
-static int start_tx(struct sk_buff *skb, struct net_device *dev)
+static netdev_tx_t start_tx(struct sk_buff *skb, struct net_device *dev)
{
struct netdev_private *np = netdev_priv(dev);
unsigned entry;
np->tx_ring[entry].length |= DescEndRing;
/* Now acquire the irq spinlock.
- * The difficult race is the the ordering between
- * increasing np->cur_tx and setting DescOwn:
+ * The difficult race is the ordering between
+ * increasing np->cur_tx and setting DescOwned:
* - if np->cur_tx is increased first the interrupt
* handler could consider the packet as transmitted
- * since DescOwn is cleared.
- * - If DescOwn is set first the NIC could report the
+ * since DescOwned is cleared.
+ * - If DescOwned is set first the NIC could report the
* packet as sent, but the interrupt handler would ignore it
* since the np->cur_tx was not yet increased.
*/
np->cur_tx++;
wmb(); /* flush length, buffer1, buffer2 */
- np->tx_ring[entry].status = DescOwn;
+ np->tx_ring[entry].status = DescOwned;
wmb(); /* flush status and kick the hardware */
iowrite32(0, np->base_addr + TxStartDemand);
np->tx_q_bytes += skb->len;
printk(KERN_DEBUG "%s: Transmit frame #%d queued in slot %d.\n",
dev->name, np->cur_tx, entry);
}
- return 0;
+ return NETDEV_TX_OK;
}
static void netdev_tx_done(struct net_device *dev)
/* The interrupt handler does all of the Rx thread work and cleans up
after the Tx thread. */
-static irqreturn_t intr_handler(int irq, void *dev_instance, struct pt_regs *rgs)
+static irqreturn_t intr_handler(int irq, void *dev_instance)
{
struct net_device *dev = (struct net_device *)dev_instance;
struct netdev_private *np = netdev_priv(dev);
handled = 1;
- if (intr_status & (IntrRxDone | RxNoBuf))
+ if (intr_status & (RxIntr | RxNoBuf))
netdev_rx(dev);
if (intr_status & RxNoBuf)
iowrite32(0, ioaddr + RxStartDemand);
- if (intr_status & (TxIdle | IntrTxDone) &&
+ if (intr_status & (TxNoBuf | TxIntr) &&
np->cur_tx != np->dirty_tx) {
spin_lock(&np->lock);
netdev_tx_done(dev);
}
/* Abnormal error summary/uncommon events handlers. */
- if (intr_status & (AbnormalIntr | TxFIFOUnderflow | IntrPCIErr |
- TimerInt | IntrTxStopped))
+ if (intr_status & (AbnormalIntr | TxFIFOUnderflow | SystemError |
+ TimerInt | TxDied))
netdev_error(dev, intr_status);
if (--work_limit < 0) {
to a minimally-sized skbuff. */
if (pkt_len < rx_copybreak
&& (skb = dev_alloc_skb(pkt_len + 2)) != NULL) {
- skb->dev = dev;
skb_reserve(skb, 2); /* 16 byte align the IP header */
pci_dma_sync_single_for_cpu(np->pci_dev,np->rx_addr[entry],
np->rx_skbuff[entry]->len,
PCI_DMA_FROMDEVICE);
- eth_copy_and_sum(skb, np->rx_skbuff[entry]->data, pkt_len, 0);
+ skb_copy_to_linear_data(skb, np->rx_skbuff[entry]->data, pkt_len);
skb_put(skb, pkt_len);
pci_dma_sync_single_for_device(np->pci_dev,np->rx_addr[entry],
np->rx_skbuff[entry]->len,
#ifndef final_version /* Remove after testing. */
/* You will want this info for the initial debug. */
if (debug > 5)
- printk(KERN_DEBUG " Rx data %2.2x:%2.2x:%2.2x:%2.2x:%2.2x:"
- "%2.2x %2.2x:%2.2x:%2.2x:%2.2x:%2.2x:%2.2x %2.2x%2.2x "
- "%d.%d.%d.%d.\n",
- skb->data[0], skb->data[1], skb->data[2], skb->data[3],
- skb->data[4], skb->data[5], skb->data[6], skb->data[7],
- skb->data[8], skb->data[9], skb->data[10],
- skb->data[11], skb->data[12], skb->data[13],
- skb->data[14], skb->data[15], skb->data[16],
- skb->data[17]);
+ printk(KERN_DEBUG " Rx data %pM %pM"
+ " %2.2x%2.2x %d.%d.%d.%d.\n",
+ &skb->data[0], &skb->data[6],
+ skb->data[12], skb->data[13],
+ skb->data[14], skb->data[15], skb->data[16], skb->data[17]);
#endif
skb->protocol = eth_type_trans(skb, dev);
netif_rx(skb);
- dev->last_rx = jiffies;
np->stats.rx_packets++;
np->stats.rx_bytes += pkt_len;
}
np->rx_skbuff[entry] = skb;
if (skb == NULL)
break; /* Better luck next round. */
- skb->dev = dev; /* Mark as being used by this device. */
np->rx_addr[entry] = pci_map_single(np->pci_dev,
skb->data,
np->rx_buf_sz, PCI_DMA_FROMDEVICE);
np->rx_ring[entry].buffer1 = np->rx_addr[entry];
}
wmb();
- np->rx_ring[entry].status = DescOwn;
+ np->rx_ring[entry].status = DescOwned;
}
return 0;
dev->name, new);
update_csr6(dev, new);
}
- if (intr_status & IntrRxDied) { /* Missed a Rx frame. */
+ if (intr_status & RxDied) { /* Missed a Rx frame. */
np->stats.rx_errors++;
}
if (intr_status & TimerInt) {
u32 rx_mode;
if (dev->flags & IFF_PROMISC) { /* Set promiscuous. */
- /* Unconditionally log net taps. */
- printk(KERN_NOTICE "%s: Promiscuous mode enabled.\n", dev->name);
memset(mc_filter, 0xff, sizeof(mc_filter));
- rx_mode = AcceptBroadcast | AcceptMulticast | AcceptAllPhys
+ rx_mode = RxAcceptBroadcast | AcceptMulticast | RxAcceptAllPhys
| AcceptMyPhys;
} else if ((dev->mc_count > multicast_filter_limit)
|| (dev->flags & IFF_ALLMULTI)) {
/* Too many to match, or accept all multicasts. */
memset(mc_filter, 0xff, sizeof(mc_filter));
- rx_mode = AcceptBroadcast | AcceptMulticast | AcceptMyPhys;
+ rx_mode = RxAcceptBroadcast | AcceptMulticast | AcceptMyPhys;
} else {
struct dev_mc_list *mclist;
int i;
filterbit &= 0x3f;
mc_filter[filterbit >> 5] |= 1 << (filterbit & 31);
}
- rx_mode = AcceptBroadcast | AcceptMulticast | AcceptMyPhys;
+ rx_mode = RxAcceptBroadcast | AcceptMulticast | AcceptMyPhys;
}
iowrite32(mc_filter[0], ioaddr + MulticastFilter0);
iowrite32(mc_filter[1], ioaddr + MulticastFilter1);
debug = value;
}
-static struct ethtool_ops netdev_ethtool_ops = {
+static const struct ethtool_ops netdev_ethtool_ops = {
.get_drvinfo = netdev_get_drvinfo,
.get_settings = netdev_get_settings,
.set_settings = netdev_set_settings,
.get_link = netdev_get_link,
.get_msglevel = netdev_get_msglevel,
.set_msglevel = netdev_set_msglevel,
- .get_sg = ethtool_op_get_sg,
- .get_tx_csum = ethtool_op_get_tx_csum,
};
static int netdev_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
return 0;
case SIOCSMIIREG: /* Write MII PHY register. */
- if (!capable(CAP_NET_ADMIN))
- return -EPERM;
spin_lock_irq(&np->lock);
mdio_write(dev, data->phy_id & 0x1f, data->reg_num & 0x1f, data->val_in);
spin_unlock_irq(&np->lock);
printk(KERN_DEBUG " #%d desc. %4.4x %4.4x %8.8x.\n",
i, np->tx_ring[i].length,
np->tx_ring[i].status, np->tx_ring[i].buffer1);
- printk("\n"KERN_DEBUG " Rx ring %8.8x:\n",
+ printk(KERN_DEBUG " Rx ring %8.8x:\n",
(int)np->rx_ring);
for (i = 0; i < RX_RING_SIZE; i++) {
printk(KERN_DEBUG " #%d desc. %4.4x %4.4x %8.8x\n",
* rtnl_lock, & netif_device_detach after the rtnl_unlock.
* - get_stats:
* spin_lock_irq(np->lock), doesn't touch hw if not present
- * - hard_start_xmit:
+ * - start_xmit:
* synchronize_irq + netif_tx_disable;
* - tx_timeout:
* netif_device_detach + netif_tx_disable;
synchronize_irq(dev->irq);
netif_tx_disable(dev);
-
+
np->stats.rx_missed_errors += ioread32(ioaddr + RxMissed) & 0xffff;
/* no more hardware accesses behind this line. */
- BUG_ON(np->csr6);
- if (ioread32(ioaddr + IntrEnable)) BUG();
+ BUG_ON(np->csr6 || ioread32(ioaddr + IntrEnable));
/* pci_power_off(pdev, -1); */
{
struct net_device *dev = pci_get_drvdata (pdev);
struct netdev_private *np = netdev_priv(dev);
+ int retval = 0;
rtnl_lock();
if (netif_device_present(dev))
goto out; /* device not suspended */
if (netif_running(dev)) {
- pci_enable_device(pdev);
- /* pci_power_on(pdev); */
-
+ if ((retval = pci_enable_device(pdev))) {
+ printk (KERN_ERR
+ "%s: pci_enable_device failed in resume\n",
+ dev->name);
+ goto out;
+ }
spin_lock_irq(&np->lock);
iowrite32(1, np->base_addr+PCIBusCfg);
ioread32(np->base_addr+PCIBusCfg);
}
out:
rtnl_unlock();
- return 0;
+ return retval;
}
#endif
static int __init w840_init(void)
{
printk(version);
- return pci_module_init(&w840_driver);
+ return pci_register_driver(&w840_driver);
}
static void __exit w840_exit(void)
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff