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[netdrvr] trim trailing whitespace: 8139*.c, epic100, forcedeth, tulip/*

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This commit is contained in:
Jeff Garzik
2006-05-26 21:39:03 -04:00
parent 4c0c2fd486
commit f3b197ac26
16 changed files with 686 additions and 686 deletions
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208
drivers/net/tulip/xircom_cb.c
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@@ -1,11 +1,11 @@
/*
* 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.
@@ -93,7 +93,7 @@ struct xircom_private {
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;
@@ -153,10 +153,10 @@ static struct pci_device_id xircom_pci_table[] = {
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
};
@@ -174,7 +174,7 @@ static void print_binary(unsigned int number)
buffer[i2++]='1';
else
buffer[i2++]='0';
if ((i&3)==0)
if ((i&3)==0)
buffer[i2++]=' ';
}
printk("%s\n",buffer);
@@ -196,10 +196,10 @@ static struct ethtool_ops netdev_ethtool_ops = {
/* 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)
{
@@ -209,7 +209,7 @@ static int __devinit xircom_probe(struct pci_dev *pdev, const struct pci_device_
unsigned long flags;
unsigned short tmp16;
enter("xircom_probe");
/* First do the PCI initialisation */
if (pci_enable_device(pdev))
@@ -217,24 +217,24 @@ static int __devinit xircom_probe(struct pci_dev *pdev, const struct pci_device_
/* 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");
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) {
@@ -242,13 +242,13 @@ static int __devinit xircom_probe(struct pci_dev *pdev, const struct pci_device_
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");
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");
@@ -265,11 +265,11 @@ static int __devinit xircom_probe(struct pci_dev *pdev, const struct pci_device_
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;
@@ -285,19 +285,19 @@ static int __devinit xircom_probe(struct pci_dev *pdev, const struct pci_device_
printk(KERN_ERR "xircom_probe: netdevice registration failed.\n");
goto reg_fail;
}
printk(KERN_INFO "%s: Xircom cardbus revision %i at irq %i \n", dev->name, chip_rev, 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;
@@ -332,7 +332,7 @@ static void __devexit xircom_remove(struct pci_dev *pdev)
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)
{
@@ -346,11 +346,11 @@ static irqreturn_t xircom_interrupt(int irq, void *dev_instance, struct pt_regs
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
#endif
/* Handle shared irq and hotplug */
if (status == 0 || status == 0xffffffff) {
spin_unlock(&card->lock);
@@ -366,21 +366,21 @@ static irqreturn_t xircom_interrupt(int irq, void *dev_instance, struct pt_regs
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;
@@ -393,38 +393,38 @@ static int xircom_start_xmit(struct sk_buff *skb, struct net_device *dev)
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);
/* 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*/
/* 0xF0... means want interrupts*/
card->tx_skb[desc] = skb;
wmb();
/* This gives the descriptor to the card */
card->tx_buffer[4*desc] = 0x80000000;
@@ -433,18 +433,18 @@ static int xircom_start_xmit(struct sk_buff *skb, struct net_device *dev)
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;
}
/* Uh oh... no free descriptor... drop the packet */
netif_stop_queue(dev);
spin_unlock_irqrestore(&card->lock,flags);
trigger_transmit(card);
return -EIO;
}
@@ -462,7 +462,7 @@ static int xircom_open(struct net_device *dev)
leave("xircom_open - No IRQ");
return retval;
}
xircom_up(xp);
xp->open = 1;
leave("xircom_open");
@@ -473,31 +473,31 @@ static int xircom_close(struct net_device *dev)
{
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;
}
@@ -506,8 +506,8 @@ 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)
@@ -540,7 +540,7 @@ static void initialize_card(struct xircom_private *card)
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);
@@ -617,23 +617,23 @@ static void setup_descriptors(struct xircom_private *card)
/* Rx Descr2: address of the buffer
we store the buffer at the 2nd half of the page */
address = (unsigned long) 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);
val = cpu_to_le32(address);
outl(val, 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;
@@ -641,7 +641,7 @@ static void setup_descriptors(struct xircom_private *card)
card->tx_buffer[i*4 + 1] = 1536;
if (i==NUMDESCRIPTORS-1)
card->tx_buffer[i*4 + 1] |= (1 << 25); /* bit 25 is "last descriptor" */
/* Tx Descr2: address of the buffer
we store the buffer at the 2nd half of the page */
address = (unsigned long) card->tx_dma_handle;
@@ -748,7 +748,7 @@ static int receive_active(struct xircom_private *card)
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.
@@ -762,13 +762,13 @@ static void activate_receiver(struct xircom_private *card)
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);
@@ -805,7 +805,7 @@ static void activate_receiver(struct xircom_private *card)
/*
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.
@@ -840,7 +840,7 @@ static void deactivate_receiver(struct xircom_private *card)
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.
@@ -856,7 +856,7 @@ static void activate_transmitter(struct xircom_private *card)
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;
@@ -896,7 +896,7 @@ static void activate_transmitter(struct xircom_private *card)
/*
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.
@@ -990,7 +990,7 @@ static void disable_all_interrupts(struct xircom_private *card)
{
unsigned int val;
enter("enable_all_interrupts");
val = 0; /* disable all interrupts */
outl(val, card->io_port + CSR7);
@@ -1031,8 +1031,8 @@ static int enable_promisc(struct xircom_private *card)
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");
@@ -1042,7 +1042,7 @@ static int enable_promisc(struct xircom_private *card)
/*
/*
link_status() checks the 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
@@ -1051,15 +1051,15 @@ static int link_status(struct xircom_private *card)
{
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;
@@ -1071,7 +1071,7 @@ static int link_status(struct xircom_private *card)
/*
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)
@@ -1081,7 +1081,7 @@ 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 */
@@ -1095,7 +1095,7 @@ static void read_mac_address(struct xircom_private *card)
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++) {
@@ -1136,12 +1136,12 @@ static void transceiver_voodoo(struct xircom_private *card)
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);
@@ -1163,15 +1163,15 @@ static void xircom_up(struct xircom_private *card)
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]);
@@ -1185,15 +1185,15 @@ static void xircom_up(struct xircom_private *card)
/* 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];
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;
@@ -1216,7 +1216,7 @@ static void investigate_read_descriptor(struct net_device *dev,struct xircom_pri
dev->last_rx = jiffies;
card->stats.rx_packets++;
card->stats.rx_bytes += pkt_len;
out:
/* give the buffer back to the card */
card->rx_buffer[4*descnr] = 0x80000000;
@@ -1234,9 +1234,9 @@ static void investigate_write_descriptor(struct net_device *dev, struct xircom_p
int status;
enter("investigate_write_descriptor");
status = card->tx_buffer[4*descnr];
#if 0
#if 0
if (status & 0x8000) { /* Major error */
printk(KERN_ERR "Major transmit error status %x \n", status);
card->tx_buffer[4*descnr] = 0;
@@ -1258,7 +1258,7 @@ static void investigate_write_descriptor(struct net_device *dev, struct xircom_p
}
leave("investigate_write_descriptor");
}
@@ -1271,8 +1271,8 @@ static int __init xircom_init(void)
static void __exit xircom_exit(void)
{
pci_unregister_driver(&xircom_ops);
}
}
module_init(xircom_init)
module_init(xircom_init)
module_exit(xircom_exit)