* $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;
*/
spinlock_t lock;
-
struct pci_dev *pdev;
struct net_device *dev;
- struct net_device_stats stats;
};
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);
-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);
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,},
};
.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.
pci_write_config_word (pdev, PCI_STATUS,tmp16);
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;
}
*/
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;
}
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;
-#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, pdev->revision, 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);
#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]);
+ 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) {
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
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;
/* 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] = 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] |= 0xF0000000;
+ 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");
spin_unlock_irqrestore(&card->lock,flags);
- return 0;
+ return NETDEV_TX_OK;
}
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, IRQF_SHARED, 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;
}
-
-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)
{
*/
static void setup_descriptors(struct xircom_private *card)
{
- unsigned int val;
- unsigned int address;
+ u32 address;
int i;
enter("setup_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 */
/* 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");
}
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");
udelay(50);
counter--;
if (counter <= 0)
- printk(KERN_ERR "xircom_cb: Receiver failed to deactivate\n");
+ pr_err("Receiver failed to deactivate\n");
}
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");
udelay(50);
counter--;
if (counter <= 0)
- printk(KERN_ERR "xircom_cb: Transmitter failed to deactivate\n");
+ pr_err("Transmitter failed to deactivate\n");
}
unsigned char j, tuple, link, data_id, data_count;
unsigned long flags;
int i;
- DECLARE_MAC_BUF(mac);
enter("read_mac_address");
}
}
spin_unlock_irqrestore(&card->lock, flags);
- pr_debug(" %s\n", print_mac(mac, card->dev->dev_addr));
+ pr_debug(" %pM\n", card->dev->dev_addr);
leave("read_mac_address");
}
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 */
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_reserve(skb, 2);
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);
}
enter("investigate_write_descriptor");
- status = card->tx_buffer[4*descnr];
+ 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");
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