/*
- * xircom_cb: A driver for the (tulip-like) Xircom Cardbus ethernet cards
+ * xircom_cb: A driver for the (tulip-like) Xircom Cardbus ethernet cards
*
* This software is (C) by the respective authors, and licensed under the GPL
* License.
*
* Written by Arjan van de Ven for Red Hat, Inc.
- * Based on work by Jeff Garzik, Doug Ledford and Donald Becker
+ * Based on work by Jeff Garzik, Doug Ledford and Donald Becker
*
* This software may be used and distributed according to the terms
* of the GNU General Public License, incorporated herein by reference.
* $Id: xircom_cb.c,v 1.33 2001/03/19 14:02:07 arjanv Exp $
*/
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/string.h>
struct xircom_private {
/* Send and receive buffers, kernel-addressable and dma addressable forms */
- unsigned int *rx_buffer;
- unsigned int *tx_buffer;
+ __le32 *rx_buffer;
+ __le32 *tx_buffer;
dma_addr_t rx_dma_handle;
dma_addr_t tx_dma_handle;
unsigned long io_port;
int open;
-
+
/* transmit_used is the rotating counter that indicates which transmit
descriptor has to be used next */
int transmit_used;
*/
spinlock_t lock;
-
struct pci_dev *pdev;
struct net_device *dev;
- struct net_device_stats stats;
};
/* Function prototypes */
static int xircom_probe(struct pci_dev *pdev, const struct pci_device_id *id);
static void xircom_remove(struct pci_dev *pdev);
-static irqreturn_t xircom_interrupt(int irq, void *dev_instance, struct pt_regs *regs);
-static int xircom_start_xmit(struct sk_buff *skb, struct net_device *dev);
+static irqreturn_t xircom_interrupt(int irq, void *dev_instance);
+static netdev_tx_t xircom_start_xmit(struct sk_buff *skb,
+ struct net_device *dev);
static int xircom_open(struct net_device *dev);
static int xircom_close(struct net_device *dev);
static void xircom_up(struct xircom_private *card);
-static struct net_device_stats *xircom_get_stats(struct net_device *dev);
#ifdef CONFIG_NET_POLL_CONTROLLER
static void xircom_poll_controller(struct net_device *dev);
#endif
-static struct pci_device_id xircom_pci_table[] = {
+static DEFINE_PCI_DEVICE_TABLE(xircom_pci_table) = {
{0x115D, 0x0003, PCI_ANY_ID, PCI_ANY_ID,},
{0,},
};
MODULE_DEVICE_TABLE(pci, xircom_pci_table);
static struct pci_driver xircom_ops = {
- .name = "xircom_cb",
- .id_table = xircom_pci_table,
- .probe = xircom_probe,
- .remove = xircom_remove,
+ .name = "xircom_cb",
+ .id_table = xircom_pci_table,
+ .probe = xircom_probe,
+ .remove = xircom_remove,
.suspend =NULL,
.resume =NULL
};
buffer[i2++]='1';
else
buffer[i2++]='0';
- if ((i&3)==0)
+ if ((i&3)==0)
buffer[i2++]=' ';
}
printk("%s\n",buffer);
strcpy(info->bus_info, pci_name(private->pdev));
}
-static struct ethtool_ops netdev_ethtool_ops = {
+static const struct ethtool_ops netdev_ethtool_ops = {
.get_drvinfo = netdev_get_drvinfo,
};
+static const struct net_device_ops netdev_ops = {
+ .ndo_open = xircom_open,
+ .ndo_stop = xircom_close,
+ .ndo_start_xmit = xircom_start_xmit,
+ .ndo_change_mtu = eth_change_mtu,
+ .ndo_set_mac_address = eth_mac_addr,
+ .ndo_validate_addr = eth_validate_addr,
+#ifdef CONFIG_NET_POLL_CONTROLLER
+ .ndo_poll_controller = xircom_poll_controller,
+#endif
+};
+
/* xircom_probe is the code that gets called on device insertion.
it sets up the hardware and registers the device to the networklayer.
-
+
TODO: Send 1 or 2 "dummy" packets here as the card seems to discard the
first two packets that get send, and pump hates that.
-
+
*/
static int __devinit xircom_probe(struct pci_dev *pdev, const struct pci_device_id *id)
{
struct net_device *dev = NULL;
struct xircom_private *private;
- unsigned char chip_rev;
unsigned long flags;
unsigned short tmp16;
enter("xircom_probe");
-
+
/* First do the PCI initialisation */
if (pci_enable_device(pdev))
/* disable all powermanagement */
pci_write_config_dword(pdev, PCI_POWERMGMT, 0x0000);
-
+
pci_set_master(pdev); /* Why isn't this done by pci_enable_device ?*/
- /* clear PCI status, if any */
- pci_read_config_word (pdev,PCI_STATUS, &tmp16);
+ /* clear PCI status, if any */
+ pci_read_config_word (pdev,PCI_STATUS, &tmp16);
pci_write_config_word (pdev, PCI_STATUS,tmp16);
-
- pci_read_config_byte(pdev, PCI_REVISION_ID, &chip_rev);
-
+
if (!request_region(pci_resource_start(pdev, 0), 128, "xircom_cb")) {
- printk(KERN_ERR "xircom_probe: failed to allocate io-region\n");
+ pr_err("%s: failed to allocate io-region\n", __func__);
return -ENODEV;
}
- /*
+ /*
Before changing the hardware, allocate the memory.
This way, we can fail gracefully if not enough memory
- is available.
+ is available.
*/
dev = alloc_etherdev(sizeof(struct xircom_private));
if (!dev) {
- printk(KERN_ERR "xircom_probe: failed to allocate etherdev\n");
+ pr_err("%s: failed to allocate etherdev\n", __func__);
goto device_fail;
}
private = netdev_priv(dev);
-
+
/* Allocate the send/receive buffers */
private->rx_buffer = pci_alloc_consistent(pdev,8192,&private->rx_dma_handle);
if (private->rx_buffer == NULL) {
- printk(KERN_ERR "xircom_probe: no memory for rx buffer \n");
+ pr_err("%s: no memory for rx buffer\n", __func__);
goto rx_buf_fail;
- }
+ }
private->tx_buffer = pci_alloc_consistent(pdev,8192,&private->tx_dma_handle);
if (private->tx_buffer == NULL) {
- printk(KERN_ERR "xircom_probe: no memory for tx buffer \n");
+ pr_err("%s: no memory for tx buffer\n", __func__);
goto tx_buf_fail;
}
- SET_MODULE_OWNER(dev);
SET_NETDEV_DEV(dev, &pdev->dev);
spin_lock_init(&private->lock);
dev->irq = pdev->irq;
dev->base_addr = private->io_port;
-
+
initialize_card(private);
read_mac_address(private);
setup_descriptors(private);
-
- dev->open = &xircom_open;
- dev->hard_start_xmit = &xircom_start_xmit;
- dev->stop = &xircom_close;
- dev->get_stats = &xircom_get_stats;
- dev->priv = private;
-#ifdef CONFIG_NET_POLL_CONTROLLER
- dev->poll_controller = &xircom_poll_controller;
-#endif
+
+ dev->netdev_ops = &netdev_ops;
SET_ETHTOOL_OPS(dev, &netdev_ethtool_ops);
pci_set_drvdata(pdev, dev);
if (register_netdev(dev)) {
- printk(KERN_ERR "xircom_probe: netdevice registration failed.\n");
+ pr_err("%s: netdevice registration failed\n", __func__);
goto reg_fail;
}
-
- printk(KERN_INFO "%s: Xircom cardbus revision %i at irq %i \n", dev->name, chip_rev, pdev->irq);
+
+ dev_info(&dev->dev, "Xircom cardbus revision %i at irq %i\n",
+ pdev->revision, pdev->irq);
/* start the transmitter to get a heartbeat */
/* TODO: send 2 dummy packets here */
transceiver_voodoo(private);
-
+
spin_lock_irqsave(&private->lock,flags);
activate_transmitter(private);
activate_receiver(private);
spin_unlock_irqrestore(&private->lock,flags);
-
+
trigger_receive(private);
-
+
leave("xircom_probe");
return 0;
free_netdev(dev);
pci_set_drvdata(pdev, NULL);
leave("xircom_remove");
-}
+}
-static irqreturn_t xircom_interrupt(int irq, void *dev_instance, struct pt_regs *regs)
+static irqreturn_t xircom_interrupt(int irq, void *dev_instance)
{
struct net_device *dev = (struct net_device *) dev_instance;
struct xircom_private *card = netdev_priv(dev);
spin_lock(&card->lock);
status = inl(card->io_port+CSR5);
-#ifdef DEBUG
+#ifdef DEBUG
print_binary(status);
- printk("tx status 0x%08x 0x%08x \n",card->tx_buffer[0],card->tx_buffer[4]);
- printk("rx status 0x%08x 0x%08x \n",card->rx_buffer[0],card->rx_buffer[4]);
-#endif
+ printk("tx status 0x%08x 0x%08x \n",
+ card->tx_buffer[0], card->tx_buffer[4]);
+ printk("rx status 0x%08x 0x%08x \n",
+ card->rx_buffer[0], card->rx_buffer[4]);
+#endif
/* Handle shared irq and hotplug */
if (status == 0 || status == 0xffffffff) {
spin_unlock(&card->lock);
if (link_status_changed(card)) {
int newlink;
- printk(KERN_DEBUG "xircom_cb: Link status has changed \n");
+ printk(KERN_DEBUG "xircom_cb: Link status has changed\n");
newlink = link_status(card);
- printk(KERN_INFO "xircom_cb: Link is %i mbit \n",newlink);
+ dev_info(&dev->dev, "Link is %i mbit\n", newlink);
if (newlink)
netif_carrier_on(dev);
else
netif_carrier_off(dev);
-
+
}
- /* Clear all remaining interrupts */
+ /* Clear all remaining interrupts */
status |= 0xffffffff; /* FIXME: make this clear only the
real existing bits */
outl(status,card->io_port+CSR5);
-
- for (i=0;i<NUMDESCRIPTORS;i++)
+
+ for (i=0;i<NUMDESCRIPTORS;i++)
investigate_write_descriptor(dev,card,i,bufferoffsets[i]);
- for (i=0;i<NUMDESCRIPTORS;i++)
+ for (i=0;i<NUMDESCRIPTORS;i++)
investigate_read_descriptor(dev,card,i,bufferoffsets[i]);
-
+
spin_unlock(&card->lock);
leave("xircom_interrupt");
return IRQ_HANDLED;
}
-static int xircom_start_xmit(struct sk_buff *skb, struct net_device *dev)
+static netdev_tx_t xircom_start_xmit(struct sk_buff *skb,
+ struct net_device *dev)
{
struct xircom_private *card;
unsigned long flags;
int nextdescriptor;
int desc;
enter("xircom_start_xmit");
-
+
card = netdev_priv(dev);
spin_lock_irqsave(&card->lock,flags);
-
+
/* First see if we can free some descriptors */
- for (desc=0;desc<NUMDESCRIPTORS;desc++)
+ for (desc=0;desc<NUMDESCRIPTORS;desc++)
investigate_write_descriptor(dev,card,desc,bufferoffsets[desc]);
-
-
+
+
nextdescriptor = (card->transmit_used +1) % (NUMDESCRIPTORS);
desc = card->transmit_used;
-
+
/* only send the packet if the descriptor is free */
if (card->tx_buffer[4*desc]==0) {
/* Copy the packet data; zero the memory first as the card
sometimes sends more than you ask it to. */
-
+
memset(&card->tx_buffer[bufferoffsets[desc]/4],0,1536);
- memcpy(&(card->tx_buffer[bufferoffsets[desc]/4]),skb->data,skb->len);
-
-
+ skb_copy_from_linear_data(skb,
+ &(card->tx_buffer[bufferoffsets[desc] / 4]),
+ skb->len);
/* FIXME: The specification tells us that the length we send HAS to be a multiple of
4 bytes. */
-
- card->tx_buffer[4*desc+1] = skb->len;
- if (desc == NUMDESCRIPTORS-1)
- card->tx_buffer[4*desc+1] |= (1<<25); /* bit 25: last descriptor of the ring */
- card->tx_buffer[4*desc+1] |= 0xF0000000;
- /* 0xF0... means want interrupts*/
+ card->tx_buffer[4*desc+1] = cpu_to_le32(skb->len);
+ if (desc == NUMDESCRIPTORS - 1) /* bit 25: last descriptor of the ring */
+ card->tx_buffer[4*desc+1] |= cpu_to_le32(1<<25);
+
+ card->tx_buffer[4*desc+1] |= cpu_to_le32(0xF0000000);
+ /* 0xF0... means want interrupts*/
card->tx_skb[desc] = skb;
-
+
wmb();
/* This gives the descriptor to the card */
- card->tx_buffer[4*desc] = 0x80000000;
+ card->tx_buffer[4*desc] = cpu_to_le32(0x80000000);
trigger_transmit(card);
- if (((int)card->tx_buffer[nextdescriptor*4])<0) { /* next descriptor is occupied... */
+ if (card->tx_buffer[nextdescriptor*4] & cpu_to_le32(0x8000000)) {
+ /* next descriptor is occupied... */
netif_stop_queue(dev);
}
card->transmit_used = nextdescriptor;
- leave("xircom-start_xmit - sent");
+ leave("xircom-start_xmit - sent");
spin_unlock_irqrestore(&card->lock,flags);
- return 0;
+ return NETDEV_TX_OK;
}
-
+
/* Uh oh... no free descriptor... drop the packet */
netif_stop_queue(dev);
spin_unlock_irqrestore(&card->lock,flags);
trigger_transmit(card);
-
- return -EIO;
+
+ return NETDEV_TX_BUSY;
}
struct xircom_private *xp = netdev_priv(dev);
int retval;
enter("xircom_open");
- printk(KERN_INFO "xircom cardbus adaptor found, registering as %s, using irq %i \n",dev->name,dev->irq);
- retval = request_irq(dev->irq, &xircom_interrupt, SA_SHIRQ, dev->name, dev);
+ pr_info("xircom cardbus adaptor found, registering as %s, using irq %i \n",
+ dev->name, dev->irq);
+ retval = request_irq(dev->irq, xircom_interrupt, IRQF_SHARED, dev->name, dev);
if (retval) {
leave("xircom_open - No IRQ");
return retval;
}
-
+
xircom_up(xp);
xp->open = 1;
leave("xircom_open");
{
struct xircom_private *card;
unsigned long flags;
-
+
enter("xircom_close");
card = netdev_priv(dev);
netif_stop_queue(dev); /* we don't want new packets */
-
+
spin_lock_irqsave(&card->lock,flags);
-
+
disable_all_interrupts(card);
-#if 0
+#if 0
/* We can enable this again once we send dummy packets on ifconfig ethX up */
deactivate_receiver(card);
deactivate_transmitter(card);
-#endif
+#endif
remove_descriptors(card);
-
+
spin_unlock_irqrestore(&card->lock,flags);
-
+
card->open = 0;
free_irq(dev->irq,dev);
-
+
leave("xircom_close");
-
- return 0;
-
-}
+ return 0;
+}
-static struct net_device_stats *xircom_get_stats(struct net_device *dev)
-{
- struct xircom_private *card = netdev_priv(dev);
- return &card->stats;
-}
-
#ifdef CONFIG_NET_POLL_CONTROLLER
static void xircom_poll_controller(struct net_device *dev)
{
disable_irq(dev->irq);
- xircom_interrupt(dev->irq, dev, NULL);
+ xircom_interrupt(dev->irq, dev);
enable_irq(dev->irq);
}
#endif
outl(val, card->io_port + CSR0);
- val = 0; /* Value 0x00 is a safe and conservative value
+ val = 0; /* Value 0x00 is a safe and conservative value
for the PCI configuration settings */
outl(val, card->io_port + CSR0);
*/
static void setup_descriptors(struct xircom_private *card)
{
- unsigned int val;
- unsigned int address;
+ u32 address;
int i;
enter("setup_descriptors");
- if (card->rx_buffer == NULL)
- BUG();
- if (card->tx_buffer == NULL)
- BUG();
+ BUG_ON(card->rx_buffer == NULL);
+ BUG_ON(card->tx_buffer == NULL);
/* Receive descriptors */
memset(card->rx_buffer, 0, 128); /* clear the descriptors */
for (i=0;i<NUMDESCRIPTORS;i++ ) {
/* Rx Descr0: It's empty, let the card own it, no errors -> 0x80000000 */
- card->rx_buffer[i*4 + 0] = 0x80000000;
+ card->rx_buffer[i*4 + 0] = cpu_to_le32(0x80000000);
/* Rx Descr1: buffer 1 is 1536 bytes, buffer 2 is 0 bytes */
- card->rx_buffer[i*4 + 1] = 1536;
- if (i==NUMDESCRIPTORS-1)
- card->rx_buffer[i*4 + 1] |= (1 << 25); /* bit 25 is "last descriptor" */
+ card->rx_buffer[i*4 + 1] = cpu_to_le32(1536);
+ if (i == NUMDESCRIPTORS - 1) /* bit 25 is "last descriptor" */
+ card->rx_buffer[i*4 + 1] |= cpu_to_le32(1 << 25);
/* Rx Descr2: address of the buffer
we store the buffer at the 2nd half of the page */
-
- address = (unsigned long) card->rx_dma_handle;
+
+ address = card->rx_dma_handle;
card->rx_buffer[i*4 + 2] = cpu_to_le32(address + bufferoffsets[i]);
/* Rx Desc3: address of 2nd buffer -> 0 */
card->rx_buffer[i*4 + 3] = 0;
}
-
+
wmb();
/* Write the receive descriptor ring address to the card */
- address = (unsigned long) card->rx_dma_handle;
- val = cpu_to_le32(address);
- outl(val, card->io_port + CSR3); /* Receive descr list address */
+ address = card->rx_dma_handle;
+ outl(address, card->io_port + CSR3); /* Receive descr list address */
/* transmit descriptors */
memset(card->tx_buffer, 0, 128); /* clear the descriptors */
-
+
for (i=0;i<NUMDESCRIPTORS;i++ ) {
/* Tx Descr0: Empty, we own it, no errors -> 0x00000000 */
card->tx_buffer[i*4 + 0] = 0x00000000;
/* Tx Descr1: buffer 1 is 1536 bytes, buffer 2 is 0 bytes */
- card->tx_buffer[i*4 + 1] = 1536;
- if (i==NUMDESCRIPTORS-1)
- card->tx_buffer[i*4 + 1] |= (1 << 25); /* bit 25 is "last descriptor" */
-
+ card->tx_buffer[i*4 + 1] = cpu_to_le32(1536);
+ if (i == NUMDESCRIPTORS - 1) /* bit 25 is "last descriptor" */
+ card->tx_buffer[i*4 + 1] |= cpu_to_le32(1 << 25);
+
/* Tx Descr2: address of the buffer
we store the buffer at the 2nd half of the page */
- address = (unsigned long) card->tx_dma_handle;
+ address = card->tx_dma_handle;
card->tx_buffer[i*4 + 2] = cpu_to_le32(address + bufferoffsets[i]);
/* Tx Desc3: address of 2nd buffer -> 0 */
card->tx_buffer[i*4 + 3] = 0;
wmb();
/* wite the transmit descriptor ring to the card */
- address = (unsigned long) card->tx_dma_handle;
- val =cpu_to_le32(address);
- outl(val, card->io_port + CSR4); /* xmit descr list address */
+ address = card->tx_dma_handle;
+ outl(address, card->io_port + CSR4); /* xmit descr list address */
leave("setup_descriptors");
}
activate_receiver enables the receiver on the card.
Before being allowed to active the receiver, the receiver
must be completely de-activated. To achieve this,
-this code actually disables the receiver first; then it waits for the
+this code actually disables the receiver first; then it waits for the
receiver to become inactive, then it activates the receiver and then
it waits for the receiver to be active.
val = inl(card->io_port + CSR6); /* Operation mode */
-
+
/* If the "active" bit is set and the receiver is already
active, no need to do the expensive thing */
if ((val&2) && (receive_active(card)))
return;
-
-
+
+
val = val & ~2; /* disable the receiver */
outl(val, card->io_port + CSR6);
udelay(50);
counter--;
if (counter <= 0)
- printk(KERN_ERR "xircom_cb: Receiver failed to deactivate\n");
+ pr_err("Receiver failed to deactivate\n");
}
/* enable the receiver */
udelay(50);
counter--;
if (counter <= 0)
- printk(KERN_ERR "xircom_cb: Receiver failed to re-activate\n");
+ pr_err("Receiver failed to re-activate\n");
}
leave("activate_receiver");
/*
deactivate_receiver disables the receiver on the card.
-To achieve this this code disables the receiver first;
+To achieve this this code disables the receiver first;
then it waits for the receiver to become inactive.
must be called with the lock held and interrupts disabled.
udelay(50);
counter--;
if (counter <= 0)
- printk(KERN_ERR "xircom_cb: Receiver failed to deactivate\n");
+ pr_err("Receiver failed to deactivate\n");
}
activate_transmitter enables the transmitter on the card.
Before being allowed to active the transmitter, the transmitter
must be completely de-activated. To achieve this,
-this code actually disables the transmitter first; then it waits for the
+this code actually disables the transmitter first; then it waits for the
transmitter to become inactive, then it activates the transmitter and then
it waits for the transmitter to be active again.
val = inl(card->io_port + CSR6); /* Operation mode */
/* If the "active" bit is set and the receiver is already
- active, no need to do the expensive thing */
+ active, no need to do the expensive thing */
if ((val&(1<<13)) && (transmit_active(card)))
return;
udelay(50);
counter--;
if (counter <= 0)
- printk(KERN_ERR "xircom_cb: Transmitter failed to deactivate\n");
+ pr_err("Transmitter failed to deactivate\n");
}
/* enable the transmitter */
udelay(50);
counter--;
if (counter <= 0)
- printk(KERN_ERR "xircom_cb: Transmitter failed to re-activate\n");
+ pr_err("Transmitter failed to re-activate\n");
}
leave("activate_transmitter");
/*
deactivate_transmitter disables the transmitter on the card.
-To achieve this this code disables the transmitter first;
+To achieve this this code disables the transmitter first;
then it waits for the transmitter to become inactive.
must be called with the lock held and interrupts disabled.
udelay(50);
counter--;
if (counter <= 0)
- printk(KERN_ERR "xircom_cb: Transmitter failed to deactivate\n");
+ pr_err("Transmitter failed to deactivate\n");
}
{
unsigned int val;
enter("enable_all_interrupts");
-
+
val = 0; /* disable all interrupts */
outl(val, card->io_port + CSR7);
unsigned int val;
enter("enable_promisc");
- val = inl(card->io_port + CSR6);
- val = val | (1 << 6);
+ val = inl(card->io_port + CSR6);
+ val = val | (1 << 6);
outl(val, card->io_port + CSR6);
leave("enable_promisc");
-/*
-link_status() checks the the links status and will return 0 for no link, 10 for 10mbit link and 100 for.. guess what.
+/*
+link_status() checks the links status and will return 0 for no link, 10 for 10mbit link and 100 for.. guess what.
Must be called in locked state with interrupts disabled
*/
{
unsigned int val;
enter("link_status");
-
+
val = inb(card->io_port + CSR12);
-
+
if (!(val&(1<<2))) /* bit 2 is 0 for 10mbit link, 1 for not an 10mbit link */
return 10;
if (!(val&(1<<1))) /* bit 1 is 0 for 100mbit link, 1 for not an 100mbit link */
return 100;
-
- /* If we get here -> no link at all */
+
+ /* If we get here -> no link at all */
leave("link_status");
return 0;
/*
read_mac_address() reads the MAC address from the NIC and stores it in the "dev" structure.
-
+
This function will take the spinlock itself and can, as a result, not be called with the lock helt.
*/
static void read_mac_address(struct xircom_private *card)
int i;
enter("read_mac_address");
-
+
spin_lock_irqsave(&card->lock, flags);
outl(1 << 12, card->io_port + CSR9); /* enable boot rom access */
outl(i + 3, card->io_port + CSR10);
data_count = inl(card->io_port + CSR9) & 0xff;
if ((tuple == 0x22) && (data_id == 0x04) && (data_count == 0x06)) {
- /*
+ /*
* This is it. We have the data we want.
*/
for (j = 0; j < 6; j++) {
}
}
spin_unlock_irqrestore(&card->lock, flags);
-#ifdef DEBUG
- for (i = 0; i < 6; i++)
- printk("%c%2.2X", i ? ':' : ' ', card->dev->dev_addr[i]);
- printk("\n");
-#endif
+ pr_debug(" %pM\n", card->dev->dev_addr);
leave("read_mac_address");
}
spin_lock_irqsave(&card->lock, flags);
outl(0x0008, card->io_port + CSR15);
- udelay(25);
+ udelay(25);
outl(0xa8050000, card->io_port + CSR15);
udelay(25);
outl(0xa00f0000, card->io_port + CSR15);
udelay(25);
-
+
spin_unlock_irqrestore(&card->lock, flags);
netif_start_queue(card->dev);
spin_lock_irqsave(&card->lock, flags);
-
+
enable_link_interrupt(card);
enable_transmit_interrupt(card);
enable_receive_interrupt(card);
enable_common_interrupts(card);
enable_promisc(card);
-
+
/* The card can have received packets already, read them away now */
- for (i=0;i<NUMDESCRIPTORS;i++)
+ for (i=0;i<NUMDESCRIPTORS;i++)
investigate_read_descriptor(card->dev,card,i,bufferoffsets[i]);
/* Bufferoffset is in BYTES */
static void investigate_read_descriptor(struct net_device *dev,struct xircom_private *card, int descnr, unsigned int bufferoffset)
{
- int status;
-
+ int status;
+
enter("investigate_read_descriptor");
- status = card->rx_buffer[4*descnr];
-
+ status = le32_to_cpu(card->rx_buffer[4*descnr]);
+
if ((status > 0)) { /* packet received */
-
+
/* TODO: discard error packets */
-
+
short pkt_len = ((status >> 16) & 0x7ff) - 4; /* minus 4, we don't want the CRC */
struct sk_buff *skb;
if (pkt_len > 1518) {
- printk(KERN_ERR "xircom_cb: Packet length %i is bogus \n",pkt_len);
+ pr_err("Packet length %i is bogus\n", pkt_len);
pkt_len = 1518;
}
skb = dev_alloc_skb(pkt_len + 2);
if (skb == NULL) {
- card->stats.rx_dropped++;
+ dev->stats.rx_dropped++;
goto out;
}
- skb->dev = dev;
skb_reserve(skb, 2);
- eth_copy_and_sum(skb, (unsigned char*)&card->rx_buffer[bufferoffset / 4], pkt_len, 0);
+ skb_copy_to_linear_data(skb, (unsigned char*)&card->rx_buffer[bufferoffset / 4], pkt_len);
skb_put(skb, pkt_len);
skb->protocol = eth_type_trans(skb, dev);
netif_rx(skb);
- dev->last_rx = jiffies;
- card->stats.rx_packets++;
- card->stats.rx_bytes += pkt_len;
-
+ dev->stats.rx_packets++;
+ dev->stats.rx_bytes += pkt_len;
+
out:
/* give the buffer back to the card */
- card->rx_buffer[4*descnr] = 0x80000000;
+ card->rx_buffer[4*descnr] = cpu_to_le32(0x80000000);
trigger_receive(card);
}
int status;
enter("investigate_write_descriptor");
-
- status = card->tx_buffer[4*descnr];
-#if 0
+
+ status = le32_to_cpu(card->tx_buffer[4*descnr]);
+#if 0
if (status & 0x8000) { /* Major error */
- printk(KERN_ERR "Major transmit error status %x \n", status);
+ pr_err("Major transmit error status %x\n", status);
card->tx_buffer[4*descnr] = 0;
netif_wake_queue (dev);
}
#endif
if (status > 0) { /* bit 31 is 0 when done */
if (card->tx_skb[descnr]!=NULL) {
- card->stats.tx_bytes += card->tx_skb[descnr]->len;
+ dev->stats.tx_bytes += card->tx_skb[descnr]->len;
dev_kfree_skb_irq(card->tx_skb[descnr]);
}
card->tx_skb[descnr] = NULL;
/* Bit 8 in the status field is 1 if there was a collision */
if (status&(1<<8))
- card->stats.collisions++;
+ dev->stats.collisions++;
card->tx_buffer[4*descnr] = 0; /* descriptor is free again */
netif_wake_queue (dev);
- card->stats.tx_packets++;
+ dev->stats.tx_packets++;
}
leave("investigate_write_descriptor");
-
+
}
static int __init xircom_init(void)
{
- pci_register_driver(&xircom_ops);
- return 0;
+ return pci_register_driver(&xircom_ops);
}
static void __exit xircom_exit(void)
{
pci_unregister_driver(&xircom_ops);
-}
+}
-module_init(xircom_init)
+module_init(xircom_init)
module_exit(xircom_exit)
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff