/* These identify the driver base version and may not be removed. */
static char version[] =
-KERN_INFO DRV_NAME ".c:v" DRV_VERSION " " DRV_RELDATE " Written by Donald Becker\n"
-KERN_INFO " http://www.scyld.com/network/sundance.html\n";
+KERN_INFO DRV_NAME ".c:v" DRV_VERSION " " DRV_RELDATE " Written by Donald Becker\n";
MODULE_AUTHOR("Donald Becker <becker@scyld.com>");
MODULE_DESCRIPTION("Sundance Alta Ethernet driver");
ASICCtrl = 0x30,
EEData = 0x34,
EECtrl = 0x36,
- TxStartThresh = 0x3c,
- RxEarlyThresh = 0x3e,
FlashAddr = 0x40,
FlashData = 0x44,
TxStatus = 0x46,
/* Note that using only 32 bit fields simplifies conversion to big-endian
architectures. */
struct netdev_desc {
- u32 next_desc;
- u32 status;
- struct desc_frag { u32 addr, length; } frag[1];
+ __le32 next_desc;
+ __le32 status;
+ struct desc_frag { __le32 addr, length; } frag[1];
};
/* Bits in netdev_desc.status */
unsigned char phys[MII_CNT]; /* MII device addresses, only first one used. */
struct pci_dev *pci_dev;
void __iomem *base;
- unsigned char pci_rev_id;
};
/* The station address location in the EEPROM. */
static void init_ring(struct net_device *dev);
static int start_tx(struct sk_buff *skb, struct net_device *dev);
static int reset_tx (struct net_device *dev);
-static irqreturn_t intr_handler(int irq, void *dev_instance, struct pt_regs *regs);
+static irqreturn_t intr_handler(int irq, void *dev_instance);
static void rx_poll(unsigned long data);
static void tx_poll(unsigned long data);
static void refill_rx (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 int netdev_close(struct net_device *dev);
-static struct ethtool_ops ethtool_ops;
+static const struct ethtool_ops ethtool_ops;
static void sundance_reset(struct net_device *dev, unsigned long reset_cmd)
{
#else
int bar = 1;
#endif
- int phy, phy_idx = 0;
-
+ int phy, phy_end, phy_idx = 0;
+ DECLARE_MAC_BUF(mac);
/* when built into the kernel, we only print version if device is found */
#ifndef MODULE
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_res;
for (i = 0; i < 3; i++)
- ((u16 *)dev->dev_addr)[i] =
- le16_to_cpu(eeprom_read(ioaddr, i + EEPROM_SA_OFFSET));
+ ((__le16 *)dev->dev_addr)[i] =
+ cpu_to_le16(eeprom_read(ioaddr, i + EEPROM_SA_OFFSET));
memcpy(dev->perm_addr, dev->dev_addr, dev->addr_len);
dev->base_addr = (unsigned long)ioaddr;
dev->change_mtu = &change_mtu;
pci_set_drvdata(pdev, dev);
- pci_read_config_byte(pdev, PCI_REVISION_ID, &np->pci_rev_id);
-
i = register_netdev(dev);
if (i)
goto err_out_unmap_rx;
- 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, %s, IRQ %d.\n",
+ dev->name, pci_id_tbl[chip_idx].name, ioaddr,
+ print_mac(mac, dev->dev_addr), irq);
np->phys[0] = 1; /* Default setting */
np->mii_preamble_required++;
+
/*
* It seems some phys doesn't deal well with address 0 being accessed
- * first, so leave address zero to the end of the loop (32 & 31).
+ * first
*/
- for (phy = 1; phy <= 32 && phy_idx < MII_CNT; phy++) {
+ if (sundance_pci_tbl[np->chip_id].device == 0x0200) {
+ phy = 0;
+ phy_end = 31;
+ } else {
+ phy = 1;
+ phy_end = 32; /* wraps to zero, due to 'phy & 0x1f' */
+ }
+ for (; phy <= phy_end && phy_idx < MII_CNT; phy++) {
int phyx = phy & 0x1f;
int mii_status = mdio_read(dev, phyx, MII_BMSR);
if (mii_status != 0xffff && mii_status != 0x0000) {
{
struct netdev_private *np = netdev_priv(dev);
void __iomem *ioaddr = np->base;
+ unsigned long flags;
int i;
/* Do we need to reset the chip??? */
iowrite8(100, ioaddr + RxDMAPollPeriod);
iowrite8(127, ioaddr + TxDMAPollPeriod);
/* Fix DFE-580TX packet drop issue */
- if (np->pci_rev_id >= 0x14)
+ if (np->pci_dev->revision >= 0x14)
iowrite8(0x01, ioaddr + DebugCtrl1);
netif_start_queue(dev);
+ spin_lock_irqsave(&np->lock, flags);
+ reset_tx(dev);
+ spin_unlock_irqrestore(&np->lock, flags);
+
iowrite16 (StatsEnable | RxEnable | TxEnable, ioaddr + MACCtrl1);
if (netif_msg_ifup(np))
/* free all tx skbuff */
for (i = 0; i < TX_RING_SIZE; i++) {
+ np->tx_ring[i].next_desc = 0;
+
skb = np->tx_skbuff[i];
if (skb) {
pci_unmap_single(np->pci_dev,
- np->tx_ring[i].frag[0].addr, skb->len,
- PCI_DMA_TODEVICE);
+ le32_to_cpu(np->tx_ring[i].frag[0].addr),
+ skb->len, PCI_DMA_TODEVICE);
if (irq)
dev_kfree_skb_irq (skb);
else
}
np->cur_tx = np->dirty_tx = 0;
np->cur_task = 0;
+
+ np->last_tx = NULL;
+ iowrite8(127, ioaddr + TxDMAPollPeriod);
+
iowrite16 (StatsEnable | RxEnable | TxEnable, ioaddr + MACCtrl1);
return 0;
}
/* The interrupt handler cleans up after the Tx thread,
and schedule a Rx thread work */
-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);
int tx_cnt;
int tx_status;
int handled = 0;
+ int i;
do {
np->stats.tx_fifo_errors++;
if (tx_status & 0x02)
np->stats.tx_window_errors++;
+
/*
** This reset has been verified on
** DFE-580TX boards ! phdm@macqel.be.
*/
if (tx_status & 0x10) { /* TxUnderrun */
- unsigned short txthreshold;
-
- txthreshold = ioread16 (ioaddr + TxStartThresh);
/* Restart Tx FIFO and transmitter */
sundance_reset(dev, (NetworkReset|FIFOReset|TxReset) << 16);
- iowrite16 (txthreshold, ioaddr + TxStartThresh);
/* No need to reset the Tx pointer here */
}
- /* Restart the Tx. */
- iowrite16 (TxEnable, ioaddr + MACCtrl1);
+ /* Restart the Tx. Need to make sure tx enabled */
+ i = 10;
+ do {
+ iowrite16(ioread16(ioaddr + MACCtrl1) | TxEnable, ioaddr + MACCtrl1);
+ if (ioread16(ioaddr + MACCtrl1) & TxEnabled)
+ break;
+ mdelay(1);
+ } while (--i);
}
/* Yup, this is a documentation bug. It cost me *hours*. */
iowrite16 (0, ioaddr + TxStatus);
hw_frame_id = ioread8(ioaddr + TxFrameId);
}
- if (np->pci_rev_id >= 0x14) {
+ if (np->pci_dev->revision >= 0x14) {
spin_lock(&np->lock);
for (; np->cur_tx - np->dirty_tx > 0; np->dirty_tx++) {
int entry = np->dirty_tx % TX_RING_SIZE;
skb = np->tx_skbuff[entry];
/* Free the original skb. */
pci_unmap_single(np->pci_dev,
- np->tx_ring[entry].frag[0].addr,
+ le32_to_cpu(np->tx_ring[entry].frag[0].addr),
skb->len, PCI_DMA_TODEVICE);
dev_kfree_skb_irq (np->tx_skbuff[entry]);
np->tx_skbuff[entry] = NULL;
skb = np->tx_skbuff[entry];
/* Free the original skb. */
pci_unmap_single(np->pci_dev,
- np->tx_ring[entry].frag[0].addr,
+ le32_to_cpu(np->tx_ring[entry].frag[0].addr),
skb->len, PCI_DMA_TODEVICE);
dev_kfree_skb_irq (np->tx_skbuff[entry]);
np->tx_skbuff[entry] = NULL;
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,
- desc->frag[0].addr,
+ le32_to_cpu(desc->frag[0].addr),
np->rx_buf_sz,
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);
pci_dma_sync_single_for_device(np->pci_dev,
- desc->frag[0].addr,
+ le32_to_cpu(desc->frag[0].addr),
np->rx_buf_sz,
PCI_DMA_FROMDEVICE);
skb_put(skb, pkt_len);
} else {
pci_unmap_single(np->pci_dev,
- desc->frag[0].addr,
+ le32_to_cpu(desc->frag[0].addr),
np->rx_buf_sz,
PCI_DMA_FROMDEVICE);
skb_put(skb = np->rx_skbuff[entry], pkt_len);
np->msg_enable = val;
}
-static struct ethtool_ops ethtool_ops = {
+static const struct ethtool_ops ethtool_ops = {
.begin = check_if_running,
.get_drvinfo = get_drvinfo,
.get_settings = get_settings,
.get_link = get_link,
.get_msglevel = get_msglevel,
.set_msglevel = set_msglevel,
- .get_perm_addr = ethtool_op_get_perm_addr,
};
static int netdev_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
{
struct netdev_private *np = netdev_priv(dev);
- void __iomem *ioaddr = np->base;
int rc;
- int i;
if (!netif_running(dev))
return -EINVAL;
spin_lock_irq(&np->lock);
rc = generic_mii_ioctl(&np->mii_if, if_mii(rq), cmd, NULL);
spin_unlock_irq(&np->lock);
- switch (cmd) {
- case SIOCDEVPRIVATE:
- for (i=0; i<TX_RING_SIZE; i++) {
- printk(KERN_DEBUG "%02x %08llx %08x %08x(%02x) %08x %08x\n", i,
- (unsigned long long)(np->tx_ring_dma + i*sizeof(*np->tx_ring)),
- le32_to_cpu(np->tx_ring[i].next_desc),
- le32_to_cpu(np->tx_ring[i].status),
- (le32_to_cpu(np->tx_ring[i].status) >> 2)
- & 0xff,
- le32_to_cpu(np->tx_ring[i].frag[0].addr),
- le32_to_cpu(np->tx_ring[i].frag[0].length));
- }
- printk(KERN_DEBUG "TxListPtr=%08x netif_queue_stopped=%d\n",
- ioread32(np->base + TxListPtr),
- netif_queue_stopped(dev));
- printk(KERN_DEBUG "cur_tx=%d(%02x) dirty_tx=%d(%02x)\n",
- np->cur_tx, np->cur_tx % TX_RING_SIZE,
- np->dirty_tx, np->dirty_tx % TX_RING_SIZE);
- printk(KERN_DEBUG "cur_rx=%d dirty_rx=%d\n", np->cur_rx, np->dirty_rx);
- printk(KERN_DEBUG "cur_task=%d\n", np->cur_task);
- printk(KERN_DEBUG "TxStatus=%04x\n", ioread16(ioaddr + TxStatus));
- return 0;
- }
-
return rc;
}
struct sk_buff *skb;
int i;
+ /* Wait and kill tasklet */
+ tasklet_kill(&np->rx_tasklet);
+ tasklet_kill(&np->tx_tasklet);
+ np->cur_tx = 0;
+ np->dirty_tx = 0;
+ np->cur_task = 0;
+ np->last_tx = NULL;
+
netif_stop_queue(dev);
if (netif_msg_ifdown(np)) {
/* Disable interrupts by clearing the interrupt mask. */
iowrite16(0x0000, ioaddr + IntrEnable);
+ /* Disable Rx and Tx DMA for safely release resource */
+ iowrite32(0x500, ioaddr + DMACtrl);
+
/* Stop the chip's Tx and Rx processes. */
iowrite16(TxDisable | RxDisable | StatsDisable, ioaddr + MACCtrl1);
- /* Wait and kill tasklet */
- tasklet_kill(&np->rx_tasklet);
- tasklet_kill(&np->tx_tasklet);
+ for (i = 2000; i > 0; i--) {
+ if ((ioread32(ioaddr + DMACtrl) & 0xc000) == 0)
+ break;
+ mdelay(1);
+ }
+
+ iowrite16(GlobalReset | DMAReset | FIFOReset | NetworkReset,
+ ioaddr +ASICCtrl + 2);
+
+ for (i = 2000; i > 0; i--) {
+ if ((ioread16(ioaddr + ASICCtrl +2) & ResetBusy) == 0)
+ break;
+ mdelay(1);
+ }
#ifdef __i386__
if (netif_msg_hw(np)) {
/* Free all the skbuffs in the Rx queue. */
for (i = 0; i < RX_RING_SIZE; i++) {
np->rx_ring[i].status = 0;
- np->rx_ring[i].frag[0].addr = 0xBADF00D0; /* An invalid address. */
skb = np->rx_skbuff[i];
if (skb) {
pci_unmap_single(np->pci_dev,
- np->rx_ring[i].frag[0].addr, np->rx_buf_sz,
- PCI_DMA_FROMDEVICE);
+ le32_to_cpu(np->rx_ring[i].frag[0].addr),
+ np->rx_buf_sz, PCI_DMA_FROMDEVICE);
dev_kfree_skb(skb);
np->rx_skbuff[i] = NULL;
}
+ np->rx_ring[i].frag[0].addr = cpu_to_le32(0xBADF00D0); /* poison */
}
for (i = 0; i < TX_RING_SIZE; i++) {
+ np->tx_ring[i].next_desc = 0;
skb = np->tx_skbuff[i];
if (skb) {
pci_unmap_single(np->pci_dev,
- np->tx_ring[i].frag[0].addr, skb->len,
- PCI_DMA_TODEVICE);
+ le32_to_cpu(np->tx_ring[i].frag[0].addr),
+ skb->len, PCI_DMA_TODEVICE);
dev_kfree_skb(skb);
np->tx_skbuff[i] = NULL;
}
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff