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path: root/drivers/net/tulip/xircom_cb.c
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Diffstat (limited to 'drivers/net/tulip/xircom_cb.c')
-rw-r--r--drivers/net/tulip/xircom_cb.c268
1 files changed, 85 insertions, 183 deletions
diff --git a/drivers/net/tulip/xircom_cb.c b/drivers/net/tulip/xircom_cb.c
index 5a73752be2c..988b8eb24d3 100644
--- a/drivers/net/tulip/xircom_cb.c
+++ b/drivers/net/tulip/xircom_cb.c
@@ -37,15 +37,6 @@
#include <asm/irq.h>
#endif
-#ifdef DEBUG
-#define enter(x) printk("Enter: %s, %s line %i\n",x,__FILE__,__LINE__)
-#define leave(x) printk("Leave: %s, %s line %i\n",x,__FILE__,__LINE__)
-#else
-#define enter(x) do {} while (0)
-#define leave(x) do {} while (0)
-#endif
-
-
MODULE_DESCRIPTION("Xircom Cardbus ethernet driver");
MODULE_AUTHOR("Arjan van de Ven <arjanv@redhat.com>");
MODULE_LICENSE("GPL");
@@ -161,7 +152,7 @@ static struct pci_driver xircom_ops = {
};
-#ifdef DEBUG
+#if defined DEBUG && DEBUG > 1
static void print_binary(unsigned int number)
{
int i,i2;
@@ -176,7 +167,7 @@ static void print_binary(unsigned int number)
if ((i&3)==0)
buffer[i2++]=' ';
}
- printk("%s\n",buffer);
+ pr_debug("%s\n",buffer);
}
#endif
@@ -205,7 +196,6 @@ static int __devinit xircom_probe(struct pci_dev *pdev, const struct pci_device_
struct xircom_private *private;
unsigned long flags;
unsigned short tmp16;
- enter("xircom_probe");
/* First do the PCI initialisation */
@@ -272,8 +262,8 @@ static int __devinit xircom_probe(struct pci_dev *pdev, const struct pci_device_
goto reg_fail;
}
- dev_info(&dev->dev, "Xircom cardbus revision %i at irq %i\n",
- pdev->revision, pdev->irq);
+ netdev_info(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);
@@ -285,7 +275,6 @@ static int __devinit xircom_probe(struct pci_dev *pdev, const struct pci_device_
trigger_receive(private);
- leave("xircom_probe");
return 0;
reg_fail:
@@ -310,7 +299,6 @@ static void __devexit xircom_remove(struct pci_dev *pdev)
struct net_device *dev = pci_get_drvdata(pdev);
struct xircom_private *card = netdev_priv(dev);
- enter("xircom_remove");
pci_free_consistent(pdev,8192,card->rx_buffer,card->rx_dma_handle);
pci_free_consistent(pdev,8192,card->tx_buffer,card->tx_dma_handle);
@@ -318,7 +306,6 @@ static void __devexit xircom_remove(struct pci_dev *pdev)
unregister_netdev(dev);
free_netdev(dev);
pci_set_drvdata(pdev, NULL);
- leave("xircom_remove");
}
static irqreturn_t xircom_interrupt(int irq, void *dev_instance)
@@ -328,17 +315,15 @@ static irqreturn_t xircom_interrupt(int irq, void *dev_instance)
unsigned int status;
int i;
- enter("xircom_interrupt\n");
-
spin_lock(&card->lock);
status = inl(card->io_port+CSR5);
-#ifdef DEBUG
+#if defined DEBUG && DEBUG > 1
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]);
+ pr_debug("tx status 0x%08x 0x%08x\n",
+ card->tx_buffer[0], card->tx_buffer[4]);
+ pr_debug("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) {
@@ -348,9 +333,9 @@ static irqreturn_t xircom_interrupt(int irq, void *dev_instance)
if (link_status_changed(card)) {
int newlink;
- printk(KERN_DEBUG "xircom_cb: Link status has changed\n");
+ netdev_dbg(dev, "Link status has changed\n");
newlink = link_status(card);
- dev_info(&dev->dev, "Link is %i mbit\n", newlink);
+ netdev_info(dev, "Link is %d mbit\n", newlink);
if (newlink)
netif_carrier_on(dev);
else
@@ -369,9 +354,7 @@ static irqreturn_t xircom_interrupt(int irq, void *dev_instance)
for (i=0;i<NUMDESCRIPTORS;i++)
investigate_read_descriptor(dev,card,i,bufferoffsets[i]);
-
spin_unlock(&card->lock);
- leave("xircom_interrupt");
return IRQ_HANDLED;
}
@@ -382,7 +365,6 @@ static netdev_tx_t xircom_start_xmit(struct sk_buff *skb,
unsigned long flags;
int nextdescriptor;
int desc;
- enter("xircom_start_xmit");
card = netdev_priv(dev);
spin_lock_irqsave(&card->lock,flags);
@@ -424,13 +406,10 @@ static netdev_tx_t xircom_start_xmit(struct sk_buff *skb,
netif_stop_queue(dev);
}
card->transmit_used = nextdescriptor;
- leave("xircom-start_xmit - sent");
spin_unlock_irqrestore(&card->lock,flags);
return NETDEV_TX_OK;
}
-
-
/* Uh oh... no free descriptor... drop the packet */
netif_stop_queue(dev);
spin_unlock_irqrestore(&card->lock,flags);
@@ -446,18 +425,16 @@ static int xircom_open(struct net_device *dev)
{
struct xircom_private *xp = netdev_priv(dev);
int retval;
- enter("xircom_open");
- pr_info("xircom cardbus adaptor found, registering as %s, using irq %i\n",
- dev->name, dev->irq);
+
+ netdev_info(dev, "xircom cardbus adaptor found, using irq %i\n",
+ dev->irq);
retval = request_irq(dev->irq, xircom_interrupt, IRQF_SHARED, dev->name, dev);
- if (retval) {
- leave("xircom_open - No IRQ");
+ if (retval)
return retval;
- }
xircom_up(xp);
xp->open = 1;
- leave("xircom_open");
+
return 0;
}
@@ -466,7 +443,6 @@ 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 */
@@ -486,8 +462,6 @@ static int xircom_close(struct net_device *dev)
card->open = 0;
free_irq(dev->irq,dev);
- leave("xircom_close");
-
return 0;
}
@@ -507,8 +481,6 @@ static void initialize_card(struct xircom_private *card)
{
unsigned int val;
unsigned long flags;
- enter("initialize_card");
-
spin_lock_irqsave(&card->lock, flags);
@@ -534,8 +506,6 @@ static void initialize_card(struct xircom_private *card)
deactivate_transmitter(card);
spin_unlock_irqrestore(&card->lock, flags);
-
- leave("initialize_card");
}
/*
@@ -547,12 +517,9 @@ ignored; I chose zero.
static void trigger_transmit(struct xircom_private *card)
{
unsigned int val;
- enter("trigger_transmit");
val = 0;
outl(val, card->io_port + CSR1);
-
- leave("trigger_transmit");
}
/*
@@ -565,12 +532,9 @@ ignored; I chose zero.
static void trigger_receive(struct xircom_private *card)
{
unsigned int val;
- enter("trigger_receive");
val = 0;
outl(val, card->io_port + CSR2);
-
- leave("trigger_receive");
}
/*
@@ -581,8 +545,6 @@ static void setup_descriptors(struct xircom_private *card)
{
u32 address;
int i;
- enter("setup_descriptors");
-
BUG_ON(card->rx_buffer == NULL);
BUG_ON(card->tx_buffer == NULL);
@@ -636,8 +598,6 @@ static void setup_descriptors(struct xircom_private *card)
/* wite the transmit descriptor ring to the card */
address = card->tx_dma_handle;
outl(address, card->io_port + CSR4); /* xmit descr list address */
-
- leave("setup_descriptors");
}
/*
@@ -647,13 +607,10 @@ valid by setting the address in the card to 0x00.
static void remove_descriptors(struct xircom_private *card)
{
unsigned int val;
- enter("remove_descriptors");
val = 0;
outl(val, card->io_port + CSR3); /* Receive descriptor address */
outl(val, card->io_port + CSR4); /* Send descriptor address */
-
- leave("remove_descriptors");
}
/*
@@ -665,21 +622,17 @@ This function also clears the status-bit.
static int link_status_changed(struct xircom_private *card)
{
unsigned int val;
- enter("link_status_changed");
val = inl(card->io_port + CSR5); /* Status register */
- if ((val & (1 << 27)) == 0) { /* no change */
- leave("link_status_changed - nochange");
+ if ((val & (1 << 27)) == 0) /* no change */
return 0;
- }
/* clear the event by writing a 1 to the bit in the
status register. */
val = (1 << 27);
outl(val, card->io_port + CSR5);
- leave("link_status_changed - changed");
return 1;
}
@@ -691,16 +644,12 @@ in a non-stopped state.
static int transmit_active(struct xircom_private *card)
{
unsigned int val;
- enter("transmit_active");
val = inl(card->io_port + CSR5); /* Status register */
- if ((val & (7 << 20)) == 0) { /* transmitter disabled */
- leave("transmit_active - inactive");
+ if ((val & (7 << 20)) == 0) /* transmitter disabled */
return 0;
- }
- leave("transmit_active - active");
return 1;
}
@@ -711,17 +660,12 @@ in a non-stopped state.
static int receive_active(struct xircom_private *card)
{
unsigned int val;
- enter("receive_active");
-
val = inl(card->io_port + CSR5); /* Status register */
- if ((val & (7 << 17)) == 0) { /* receiver disabled */
- leave("receive_active - inactive");
+ if ((val & (7 << 17)) == 0) /* receiver disabled */
return 0;
- }
- leave("receive_active - active");
return 1;
}
@@ -739,8 +683,6 @@ static void activate_receiver(struct xircom_private *card)
{
unsigned int val;
int counter;
- enter("activate_receiver");
-
val = inl(card->io_port + CSR6); /* Operation mode */
@@ -761,7 +703,7 @@ static void activate_receiver(struct xircom_private *card)
udelay(50);
counter--;
if (counter <= 0)
- pr_err("Receiver failed to deactivate\n");
+ netdev_err(card->dev, "Receiver failed to deactivate\n");
}
/* enable the receiver */
@@ -778,10 +720,9 @@ static void activate_receiver(struct xircom_private *card)
udelay(50);
counter--;
if (counter <= 0)
- pr_err("Receiver failed to re-activate\n");
+ netdev_err(card->dev,
+ "Receiver failed to re-activate\n");
}
-
- leave("activate_receiver");
}
/*
@@ -795,7 +736,6 @@ static void deactivate_receiver(struct xircom_private *card)
{
unsigned int val;
int counter;
- enter("deactivate_receiver");
val = inl(card->io_port + CSR6); /* Operation mode */
val = val & ~2; /* disable the receiver */
@@ -809,11 +749,8 @@ static void deactivate_receiver(struct xircom_private *card)
udelay(50);
counter--;
if (counter <= 0)
- pr_err("Receiver failed to deactivate\n");
+ netdev_err(card->dev, "Receiver failed to deactivate\n");
}
-
-
- leave("deactivate_receiver");
}
@@ -831,8 +768,6 @@ static void activate_transmitter(struct xircom_private *card)
{
unsigned int val;
int counter;
- enter("activate_transmitter");
-
val = inl(card->io_port + CSR6); /* Operation mode */
@@ -852,7 +787,8 @@ static void activate_transmitter(struct xircom_private *card)
udelay(50);
counter--;
if (counter <= 0)
- pr_err("Transmitter failed to deactivate\n");
+ netdev_err(card->dev,
+ "Transmitter failed to deactivate\n");
}
/* enable the transmitter */
@@ -869,10 +805,9 @@ static void activate_transmitter(struct xircom_private *card)
udelay(50);
counter--;
if (counter <= 0)
- pr_err("Transmitter failed to re-activate\n");
+ netdev_err(card->dev,
+ "Transmitter failed to re-activate\n");
}
-
- leave("activate_transmitter");
}
/*
@@ -886,7 +821,6 @@ static void deactivate_transmitter(struct xircom_private *card)
{
unsigned int val;
int counter;
- enter("deactivate_transmitter");
val = inl(card->io_port + CSR6); /* Operation mode */
val = val & ~2; /* disable the transmitter */
@@ -900,11 +834,9 @@ static void deactivate_transmitter(struct xircom_private *card)
udelay(50);
counter--;
if (counter <= 0)
- pr_err("Transmitter failed to deactivate\n");
+ netdev_err(card->dev,
+ "Transmitter failed to deactivate\n");
}
-
-
- leave("deactivate_transmitter");
}
@@ -916,13 +848,10 @@ must be called with the lock held and interrupts disabled.
static void enable_transmit_interrupt(struct xircom_private *card)
{
unsigned int val;
- enter("enable_transmit_interrupt");
val = inl(card->io_port + CSR7); /* Interrupt enable register */
val |= 1; /* enable the transmit interrupt */
outl(val, card->io_port + CSR7);
-
- leave("enable_transmit_interrupt");
}
@@ -934,13 +863,10 @@ must be called with the lock held and interrupts disabled.
static void enable_receive_interrupt(struct xircom_private *card)
{
unsigned int val;
- enter("enable_receive_interrupt");
val = inl(card->io_port + CSR7); /* Interrupt enable register */
val = val | (1 << 6); /* enable the receive interrupt */
outl(val, card->io_port + CSR7);
-
- leave("enable_receive_interrupt");
}
/*
@@ -951,13 +877,10 @@ must be called with the lock held and interrupts disabled.
static void enable_link_interrupt(struct xircom_private *card)
{
unsigned int val;
- enter("enable_link_interrupt");
val = inl(card->io_port + CSR7); /* Interrupt enable register */
val = val | (1 << 27); /* enable the link status chage interrupt */
outl(val, card->io_port + CSR7);
-
- leave("enable_link_interrupt");
}
@@ -970,12 +893,9 @@ must be called with the lock held and interrupts disabled.
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);
-
- leave("disable_all_interrupts");
}
/*
@@ -986,7 +906,6 @@ must be called with the lock held and interrupts disabled.
static void enable_common_interrupts(struct xircom_private *card)
{
unsigned int val;
- enter("enable_link_interrupt");
val = inl(card->io_port + CSR7); /* Interrupt enable register */
val |= (1<<16); /* Normal Interrupt Summary */
@@ -998,8 +917,6 @@ static void enable_common_interrupts(struct xircom_private *card)
val |= (1<<2); /* Transmit Buffer Unavailable */
val |= (1<<1); /* Transmit Process Stopped */
outl(val, card->io_port + CSR7);
-
- leave("enable_link_interrupt");
}
/*
@@ -1010,13 +927,11 @@ must be called with the lock held and interrupts disabled.
static int enable_promisc(struct xircom_private *card)
{
unsigned int val;
- enter("enable_promisc");
val = inl(card->io_port + CSR6);
val = val | (1 << 6);
outl(val, card->io_port + CSR6);
- leave("enable_promisc");
return 1;
}
@@ -1031,7 +946,6 @@ Must be called in locked state with interrupts disabled
static int link_status(struct xircom_private *card)
{
unsigned int val;
- enter("link_status");
val = inb(card->io_port + CSR12);
@@ -1042,7 +956,6 @@ static int link_status(struct xircom_private *card)
/* If we get here -> no link at all */
- leave("link_status");
return 0;
}
@@ -1061,8 +974,6 @@ static void read_mac_address(struct xircom_private *card)
unsigned long flags;
int i;
- enter("read_mac_address");
-
spin_lock_irqsave(&card->lock, flags);
outl(1 << 12, card->io_port + CSR9); /* enable boot rom access */
@@ -1090,7 +1001,6 @@ static void read_mac_address(struct xircom_private *card)
}
spin_unlock_irqrestore(&card->lock, flags);
pr_debug(" %pM\n", card->dev->dev_addr);
- leave("read_mac_address");
}
@@ -1103,8 +1013,6 @@ static void transceiver_voodoo(struct xircom_private *card)
{
unsigned long flags;
- enter("transceiver_voodoo");
-
/* disable all powermanagement */
pci_write_config_dword(card->pdev, PCI_POWERMGMT, 0x0000);
@@ -1122,7 +1030,6 @@ static void transceiver_voodoo(struct xircom_private *card)
spin_unlock_irqrestore(&card->lock, flags);
netif_start_queue(card->dev);
- leave("transceiver_voodoo");
}
@@ -1131,8 +1038,6 @@ static void xircom_up(struct xircom_private *card)
unsigned long flags;
int i;
- enter("xircom_up");
-
/* disable all powermanagement */
pci_write_config_dword(card->pdev, PCI_POWERMGMT, 0x0000);
@@ -1156,87 +1061,84 @@ static void xircom_up(struct xircom_private *card)
trigger_receive(card);
trigger_transmit(card);
netif_start_queue(card->dev);
- leave("xircom_up");
}
/* Bufferoffset is in BYTES */
-static void investigate_read_descriptor(struct net_device *dev,struct xircom_private *card, int descnr, unsigned int bufferoffset)
+static void
+investigate_read_descriptor(struct net_device *dev, struct xircom_private *card,
+ int descnr, unsigned int bufferoffset)
{
- int status;
-
- enter("investigate_read_descriptor");
- status = le32_to_cpu(card->rx_buffer[4*descnr]);
+ int status;
- if ((status > 0)) { /* packet received */
+ status = le32_to_cpu(card->rx_buffer[4*descnr]);
- /* TODO: discard error packets */
+ if (status > 0) { /* packet received */
- short pkt_len = ((status >> 16) & 0x7ff) - 4; /* minus 4, we don't want the CRC */
- struct sk_buff *skb;
+ /* TODO: discard error packets */
- if (pkt_len > 1518) {
- pr_err("Packet length %i is bogus\n", pkt_len);
- pkt_len = 1518;
- }
+ short pkt_len = ((status >> 16) & 0x7ff) - 4;
+ /* minus 4, we don't want the CRC */
+ struct sk_buff *skb;
- skb = dev_alloc_skb(pkt_len + 2);
- if (skb == NULL) {
- dev->stats.rx_dropped++;
- goto out;
- }
- skb_reserve(skb, 2);
- 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->stats.rx_packets++;
- dev->stats.rx_bytes += pkt_len;
-
- out:
- /* give the buffer back to the card */
- card->rx_buffer[4*descnr] = cpu_to_le32(0x80000000);
- trigger_receive(card);
+ if (pkt_len > 1518) {
+ netdev_err(dev, "Packet length %i is bogus\n", pkt_len);
+ pkt_len = 1518;
}
- leave("investigate_read_descriptor");
-
+ skb = dev_alloc_skb(pkt_len + 2);
+ if (skb == NULL) {
+ dev->stats.rx_dropped++;
+ goto out;
+ }
+ skb_reserve(skb, 2);
+ skb_copy_to_linear_data(skb,
+ &card->rx_buffer[bufferoffset / 4],
+ pkt_len);
+ skb_put(skb, pkt_len);
+ skb->protocol = eth_type_trans(skb, dev);
+ netif_rx(skb);
+ dev->stats.rx_packets++;
+ dev->stats.rx_bytes += pkt_len;
+
+out:
+ /* give the buffer back to the card */
+ card->rx_buffer[4*descnr] = cpu_to_le32(0x80000000);
+ trigger_receive(card);
+ }
}
/* Bufferoffset is in BYTES */
-static void investigate_write_descriptor(struct net_device *dev, struct xircom_private *card, int descnr, unsigned int bufferoffset)
+static void
+investigate_write_descriptor(struct net_device *dev,
+ struct xircom_private *card,
+ int descnr, unsigned int bufferoffset)
{
- int status;
-
- enter("investigate_write_descriptor");
+ int status;
- status = le32_to_cpu(card->tx_buffer[4*descnr]);
+ status = le32_to_cpu(card->tx_buffer[4*descnr]);
#if 0
- if (status & 0x8000) { /* Major error */
- pr_err("Major transmit error status %x\n", status);
- card->tx_buffer[4*descnr] = 0;
- netif_wake_queue (dev);
- }
+ if (status & 0x8000) { /* Major error */
+ 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) {
- 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))
- dev->stats.collisions++;
- card->tx_buffer[4*descnr] = 0; /* descriptor is free again */
- netif_wake_queue (dev);
- dev->stats.tx_packets++;
+ if (status > 0) { /* bit 31 is 0 when done */
+ if (card->tx_skb[descnr]!=NULL) {
+ dev->stats.tx_bytes += card->tx_skb[descnr]->len;
+ dev_kfree_skb_irq(card->tx_skb[descnr]);
}
-
- leave("investigate_write_descriptor");
-
+ card->tx_skb[descnr] = NULL;
+ /* Bit 8 in the status field is 1 if there was a collision */
+ if (status & (1 << 8))
+ dev->stats.collisions++;
+ card->tx_buffer[4*descnr] = 0; /* descriptor is free again */
+ netif_wake_queue (dev);
+ dev->stats.tx_packets++;
+ }
}
-
static int __init xircom_init(void)
{
return pci_register_driver(&xircom_ops);
generated by cgit v1.2.3-18-g5258 (git 2.32.0) at 2024-11-23 01:01:43 +0000