#include <asm/io.h>
/* These identify the driver base version and may not be removed. */
-static char version[] __devinitdata =
-KERN_INFO DRV_NAME ".c:v1.05 1/09/2001 Written by Donald Becker <becker@scyld.com>\n"
-KERN_INFO " http://www.scyld.com/network/yellowfin.html\n"
-KERN_INFO " (unofficial 2.4.x port, " DRV_VERSION ", " DRV_RELDATE ")\n";
+static const char version[] __devinitconst =
+ KERN_INFO DRV_NAME ".c:v1.05 1/09/2001 Written by Donald Becker <becker@scyld.com>\n"
+ " (unofficial 2.4.x port, " DRV_VERSION ", " DRV_RELDATE ")\n";
MODULE_AUTHOR("Donald Becker <becker@scyld.com>");
MODULE_DESCRIPTION("Packet Engines Yellowfin G-NIC Gigabit Ethernet driver");
/* The Yellowfin Rx and Tx buffer descriptors.
Elements are written as 32 bit for endian portability. */
struct yellowfin_desc {
- u32 dbdma_cmd;
- u32 addr;
- u32 branch_addr;
- u32 result_status;
+ __le32 dbdma_cmd;
+ __le32 addr;
+ __le32 branch_addr;
+ __le32 result_status;
};
struct tx_status_words {
dma_addr_t tx_status_dma;
struct timer_list timer; /* Media selection timer. */
- struct net_device_stats stats;
/* Frequently used and paired value: keep adjacent for cache effect. */
int chip_id, drv_flags;
struct pci_dev *pci_dev;
static int yellowfin_open(struct net_device *dev);
static void yellowfin_timer(unsigned long data);
static void yellowfin_tx_timeout(struct net_device *dev);
-static void yellowfin_init_ring(struct net_device *dev);
-static int yellowfin_start_xmit(struct sk_buff *skb, struct net_device *dev);
+static int yellowfin_init_ring(struct net_device *dev);
+static netdev_tx_t yellowfin_start_xmit(struct sk_buff *skb,
+ struct net_device *dev);
static irqreturn_t yellowfin_interrupt(int irq, void *dev_instance);
static int yellowfin_rx(struct net_device *dev);
static void yellowfin_error(struct net_device *dev, int intr_status);
static int yellowfin_close(struct net_device *dev);
-static struct net_device_stats *yellowfin_get_stats(struct net_device *dev);
static void set_rx_mode(struct net_device *dev);
static const struct ethtool_ops ethtool_ops;
+static const struct net_device_ops netdev_ops = {
+ .ndo_open = yellowfin_open,
+ .ndo_stop = yellowfin_close,
+ .ndo_start_xmit = yellowfin_start_xmit,
+ .ndo_set_multicast_list = set_rx_mode,
+ .ndo_change_mtu = eth_change_mtu,
+ .ndo_validate_addr = eth_validate_addr,
+ .ndo_set_mac_address = eth_mac_addr,
+ .ndo_do_ioctl = netdev_ioctl,
+ .ndo_tx_timeout = yellowfin_tx_timeout,
+};
static int __devinit yellowfin_init_one(struct pci_dev *pdev,
const struct pci_device_id *ent)
printk (KERN_ERR PFX "cannot allocate ethernet device\n");
return -ENOMEM;
}
- SET_MODULE_OWNER(dev);
SET_NETDEV_DEV(dev, &pdev->dev);
np = netdev_priv(dev);
np->duplex_lock = 1;
/* The Yellowfin-specific entries in the device structure. */
- dev->open = &yellowfin_open;
- dev->hard_start_xmit = &yellowfin_start_xmit;
- dev->stop = &yellowfin_close;
- dev->get_stats = &yellowfin_get_stats;
- dev->set_multicast_list = &set_rx_mode;
- dev->do_ioctl = &netdev_ioctl;
+ dev->netdev_ops = &netdev_ops;
SET_ETHTOOL_OPS(dev, ðtool_ops);
- dev->tx_timeout = yellowfin_tx_timeout;
dev->watchdog_timeo = TX_TIMEOUT;
if (mtu)
if (i)
goto err_out_unmap_status;
- printk(KERN_INFO "%s: %s type %8x at %p, ",
+ printk(KERN_INFO "%s: %s type %8x at %p, %pM, IRQ %d.\n",
dev->name, pci_id_tbl[chip_idx].name,
- ioread32(ioaddr + ChipRev), 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);
+ ioread32(ioaddr + ChipRev), ioaddr,
+ dev->dev_addr, irq);
if (np->drv_flags & HasMII) {
int phy, phy_idx = 0;
{
struct yellowfin_private *yp = netdev_priv(dev);
void __iomem *ioaddr = yp->base;
- int i;
+ int i, ret;
/* Reset the chip. */
iowrite32(0x80000000, ioaddr + DMACtrl);
- i = request_irq(dev->irq, &yellowfin_interrupt, IRQF_SHARED, dev->name, dev);
- if (i) return i;
+ ret = request_irq(dev->irq, yellowfin_interrupt, IRQF_SHARED, dev->name, dev);
+ if (ret)
+ return ret;
if (yellowfin_debug > 1)
printk(KERN_DEBUG "%s: yellowfin_open() irq %d.\n",
dev->name, dev->irq);
- yellowfin_init_ring(dev);
+ ret = yellowfin_init_ring(dev);
+ if (ret) {
+ free_irq(dev->irq, dev);
+ return ret;
+ }
iowrite32(yp->rx_ring_dma, ioaddr + RxPtr);
iowrite32(yp->tx_ring_dma, ioaddr + TxPtr);
int i;
printk(KERN_WARNING " Rx ring %p: ", yp->rx_ring);
for (i = 0; i < RX_RING_SIZE; i++)
- printk(" %8.8x", yp->rx_ring[i].result_status);
- printk("\n"KERN_WARNING" Tx ring %p: ", yp->tx_ring);
+ printk(KERN_CONT " %8.8x",
+ yp->rx_ring[i].result_status);
+ printk(KERN_CONT "\n");
+ printk(KERN_WARNING" Tx ring %p: ", yp->tx_ring);
for (i = 0; i < TX_RING_SIZE; i++)
- printk(" %4.4x /%8.8x", yp->tx_status[i].tx_errs,
- yp->tx_ring[i].result_status);
- printk("\n");
+ printk(KERN_CONT " %4.4x /%8.8x",
+ yp->tx_status[i].tx_errs,
+ yp->tx_ring[i].result_status);
+ printk(KERN_CONT "\n");
}
/* If the hardware is found to hang regularly, we will update the code
if (yp->cur_tx - yp->dirty_tx < TX_QUEUE_SIZE)
netif_wake_queue (dev); /* Typical path */
- dev->trans_start = jiffies;
- yp->stats.tx_errors++;
+ dev->trans_start = jiffies; /* prevent tx timeout */
+ dev->stats.tx_errors++;
}
/* Initialize the Rx and Tx rings, along with various 'dev' bits. */
-static void yellowfin_init_ring(struct net_device *dev)
+static int yellowfin_init_ring(struct net_device *dev)
{
struct yellowfin_private *yp = netdev_priv(dev);
- int i;
+ int i, j;
yp->tx_full = 0;
yp->cur_rx = yp->cur_tx = 0;
yp->rx_ring[i].addr = cpu_to_le32(pci_map_single(yp->pci_dev,
skb->data, yp->rx_buf_sz, PCI_DMA_FROMDEVICE));
}
+ if (i != RX_RING_SIZE) {
+ for (j = 0; j < i; j++)
+ dev_kfree_skb(yp->rx_skbuff[j]);
+ return -ENOMEM;
+ }
yp->rx_ring[i-1].dbdma_cmd = cpu_to_le32(CMD_STOP);
yp->dirty_rx = (unsigned int)(i - RX_RING_SIZE);
yp->tx_ring[--i].dbdma_cmd = cpu_to_le32(CMD_STOP | BRANCH_ALWAYS);
#else
{
- int j;
-
/* Tx ring needs a pair of descriptors, the second for the status. */
for (i = 0; i < TX_RING_SIZE; i++) {
j = 2*i;
/* Branch on Tx error. */
yp->tx_ring[j].dbdma_cmd = cpu_to_le32(CMD_STOP);
yp->tx_ring[j].branch_addr = cpu_to_le32(yp->tx_ring_dma +
- (j+1)*sizeof(struct yellowfin_desc);
+ (j+1)*sizeof(struct yellowfin_desc));
j++;
if (yp->flags & FullTxStatus) {
yp->tx_ring[j].dbdma_cmd =
cpu_to_le32(CMD_TXSTATUS | sizeof(*yp->tx_status));
yp->tx_ring[j].request_cnt = sizeof(*yp->tx_status);
yp->tx_ring[j].addr = cpu_to_le32(yp->tx_status_dma +
- i*sizeof(struct tx_status_words);
+ i*sizeof(struct tx_status_words));
} else {
/* Symbios chips write only tx_errs word. */
yp->tx_ring[j].dbdma_cmd =
}
#endif
yp->tx_tail_desc = &yp->tx_status[0];
- return;
+ return 0;
}
-static int yellowfin_start_xmit(struct sk_buff *skb, struct net_device *dev)
+static netdev_tx_t yellowfin_start_xmit(struct sk_buff *skb,
+ struct net_device *dev)
{
struct yellowfin_private *yp = netdev_priv(dev);
unsigned entry;
if (skb_padto(skb, len)) {
yp->tx_skbuff[entry] = NULL;
netif_wake_queue(dev);
- return 0;
+ return NETDEV_TX_OK;
}
}
}
netif_start_queue (dev); /* Typical path */
else
yp->tx_full = 1;
- dev->trans_start = jiffies;
if (yellowfin_debug > 4) {
printk(KERN_DEBUG "%s: Yellowfin transmit frame #%d queued in slot %d.\n",
dev->name, yp->cur_tx, entry);
}
- return 0;
+ return NETDEV_TX_OK;
}
/* The interrupt handler does all of the Rx thread work and cleans up
int boguscnt = max_interrupt_work;
unsigned int handled = 0;
-#ifndef final_version /* Can never occur. */
- if (dev == NULL) {
- printk (KERN_ERR "yellowfin_interrupt(): irq %d for unknown device.\n", irq);
- return IRQ_NONE;
- }
-#endif
-
yp = netdev_priv(dev);
ioaddr = yp->base;
if (yp->tx_ring[entry].result_status == 0)
break;
skb = yp->tx_skbuff[entry];
- yp->stats.tx_packets++;
- yp->stats.tx_bytes += skb->len;
+ dev->stats.tx_packets++;
+ dev->stats.tx_bytes += skb->len;
/* Free the original skb. */
- pci_unmap_single(yp->pci_dev, yp->tx_ring[entry].addr,
+ pci_unmap_single(yp->pci_dev, le32_to_cpu(yp->tx_ring[entry].addr),
skb->len, PCI_DMA_TODEVICE);
dev_kfree_skb_irq(skb);
yp->tx_skbuff[entry] = NULL;
}
- if (yp->tx_full
- && yp->cur_tx - yp->dirty_tx < TX_QUEUE_SIZE - 4) {
+ if (yp->tx_full &&
+ yp->cur_tx - yp->dirty_tx < TX_QUEUE_SIZE - 4) {
/* The ring is no longer full, clear tbusy. */
yp->tx_full = 0;
netif_wake_queue(dev);
printk(KERN_DEBUG "%s: Transmit error, Tx status %4.4x.\n",
dev->name, tx_errs);
#endif
- yp->stats.tx_errors++;
- if (tx_errs & 0xF800) yp->stats.tx_aborted_errors++;
- if (tx_errs & 0x0800) yp->stats.tx_carrier_errors++;
- if (tx_errs & 0x2000) yp->stats.tx_window_errors++;
- if (tx_errs & 0x8000) yp->stats.tx_fifo_errors++;
+ dev->stats.tx_errors++;
+ if (tx_errs & 0xF800) dev->stats.tx_aborted_errors++;
+ if (tx_errs & 0x0800) dev->stats.tx_carrier_errors++;
+ if (tx_errs & 0x2000) dev->stats.tx_window_errors++;
+ if (tx_errs & 0x8000) dev->stats.tx_fifo_errors++;
} else {
#ifndef final_version
if (yellowfin_debug > 4)
printk(KERN_DEBUG "%s: Normal transmit, Tx status %4.4x.\n",
dev->name, tx_errs);
#endif
- yp->stats.tx_bytes += skb->len;
- yp->stats.collisions += tx_errs & 15;
- yp->stats.tx_packets++;
+ dev->stats.tx_bytes += skb->len;
+ dev->stats.collisions += tx_errs & 15;
+ dev->stats.tx_packets++;
}
/* Free the original skb. */
pci_unmap_single(yp->pci_dev,
}
#endif
- if (yp->tx_full
- && yp->cur_tx - dirty_tx < TX_QUEUE_SIZE - 2) {
+ if (yp->tx_full &&
+ yp->cur_tx - dirty_tx < TX_QUEUE_SIZE - 2) {
/* The ring is no longer full, clear tbusy. */
yp->tx_full = 0;
netif_wake_queue(dev);
if(!desc->result_status)
break;
- pci_dma_sync_single_for_cpu(yp->pci_dev, desc->addr,
+ pci_dma_sync_single_for_cpu(yp->pci_dev, le32_to_cpu(desc->addr),
yp->rx_buf_sz, PCI_DMA_FROMDEVICE);
desc_status = le32_to_cpu(desc->result_status) >> 16;
buf_addr = rx_skb->data;
data_size = (le32_to_cpu(desc->dbdma_cmd) -
le32_to_cpu(desc->result_status)) & 0xffff;
- frame_status = le16_to_cpu(get_unaligned((s16*)&(buf_addr[data_size - 2])));
+ frame_status = get_unaligned_le16(&(buf_addr[data_size - 2]));
if (yellowfin_debug > 4)
printk(KERN_DEBUG " yellowfin_rx() status was %4.4x.\n",
frame_status);
if (data_size != 0)
printk(KERN_WARNING "%s: Oversized Ethernet frame spanned multiple buffers,"
" status %4.4x, data_size %d!\n", dev->name, desc_status, data_size);
- yp->stats.rx_length_errors++;
+ dev->stats.rx_length_errors++;
} else if ((yp->drv_flags & IsGigabit) && (frame_status & 0x0038)) {
/* There was a error. */
if (yellowfin_debug > 3)
printk(KERN_DEBUG " yellowfin_rx() Rx error was %4.4x.\n",
frame_status);
- yp->stats.rx_errors++;
- if (frame_status & 0x0060) yp->stats.rx_length_errors++;
- if (frame_status & 0x0008) yp->stats.rx_frame_errors++;
- if (frame_status & 0x0010) yp->stats.rx_crc_errors++;
- if (frame_status < 0) yp->stats.rx_dropped++;
+ dev->stats.rx_errors++;
+ if (frame_status & 0x0060) dev->stats.rx_length_errors++;
+ if (frame_status & 0x0008) dev->stats.rx_frame_errors++;
+ if (frame_status & 0x0010) dev->stats.rx_crc_errors++;
+ if (frame_status < 0) dev->stats.rx_dropped++;
} else if ( !(yp->drv_flags & IsGigabit) &&
((buf_addr[data_size-1] & 0x85) || buf_addr[data_size-2] & 0xC0)) {
u8 status1 = buf_addr[data_size-2];
u8 status2 = buf_addr[data_size-1];
- yp->stats.rx_errors++;
- if (status1 & 0xC0) yp->stats.rx_length_errors++;
- if (status2 & 0x03) yp->stats.rx_frame_errors++;
- if (status2 & 0x04) yp->stats.rx_crc_errors++;
- if (status2 & 0x80) yp->stats.rx_dropped++;
+ dev->stats.rx_errors++;
+ if (status1 & 0xC0) dev->stats.rx_length_errors++;
+ if (status2 & 0x03) dev->stats.rx_frame_errors++;
+ if (status2 & 0x04) dev->stats.rx_crc_errors++;
+ if (status2 & 0x80) dev->stats.rx_dropped++;
#ifdef YF_PROTOTYPE /* Support for prototype hardware errata. */
} else if ((yp->flags & HasMACAddrBug) &&
memcmp(le32_to_cpu(yp->rx_ring_dma +
entry*sizeof(struct yellowfin_desc)),
"\377\377\377\377\377\377", 6) != 0) {
if (bogus_rx++ == 0)
- printk(KERN_WARNING "%s: Bad frame to %2.2x:%2.2x:%2.2x:%2.2x:"
- "%2.2x:%2.2x.\n",
- dev->name, buf_addr[0], buf_addr[1], buf_addr[2],
- buf_addr[3], buf_addr[4], buf_addr[5]);
+ printk(KERN_WARNING "%s: Bad frame to %pM\n",
+ dev->name, buf_addr);
#endif
} else {
struct sk_buff *skb;
if (pkt_len > rx_copybreak) {
skb_put(skb = rx_skb, pkt_len);
pci_unmap_single(yp->pci_dev,
- yp->rx_ring[entry].addr,
+ le32_to_cpu(yp->rx_ring[entry].addr),
yp->rx_buf_sz,
PCI_DMA_FROMDEVICE);
yp->rx_skbuff[entry] = NULL;
skb = dev_alloc_skb(pkt_len + 2);
if (skb == NULL)
break;
- skb->dev = dev;
skb_reserve(skb, 2); /* 16 byte align the IP header */
- eth_copy_and_sum(skb, rx_skb->data, pkt_len, 0);
+ skb_copy_to_linear_data(skb, rx_skb->data, pkt_len);
skb_put(skb, pkt_len);
- pci_dma_sync_single_for_device(yp->pci_dev, desc->addr,
- yp->rx_buf_sz,
- PCI_DMA_FROMDEVICE);
+ pci_dma_sync_single_for_device(yp->pci_dev,
+ le32_to_cpu(desc->addr),
+ yp->rx_buf_sz,
+ PCI_DMA_FROMDEVICE);
}
skb->protocol = eth_type_trans(skb, dev);
netif_rx(skb);
- dev->last_rx = jiffies;
- yp->stats.rx_packets++;
- yp->stats.rx_bytes += pkt_len;
+ dev->stats.rx_packets++;
+ dev->stats.rx_bytes += pkt_len;
}
entry = (++yp->cur_rx) % RX_RING_SIZE;
}
static void yellowfin_error(struct net_device *dev, int intr_status)
{
- struct yellowfin_private *yp = netdev_priv(dev);
-
printk(KERN_ERR "%s: Something Wicked happened! %4.4x.\n",
dev->name, intr_status);
/* Hmmmmm, it's not clear what to do here. */
if (intr_status & (IntrTxPCIErr | IntrTxPCIFault))
- yp->stats.tx_errors++;
+ dev->stats.tx_errors++;
if (intr_status & (IntrRxPCIErr | IntrRxPCIFault))
- yp->stats.rx_errors++;
+ dev->stats.rx_errors++;
}
static int yellowfin_close(struct net_device *dev)
#if defined(__i386__)
if (yellowfin_debug > 2) {
- printk("\n"KERN_DEBUG" Tx ring at %8.8llx:\n",
+ printk(KERN_DEBUG" Tx ring at %8.8llx:\n",
(unsigned long long)yp->tx_ring_dma);
for (i = 0; i < TX_RING_SIZE*2; i++)
- printk(" %c #%d desc. %8.8x %8.8x %8.8x %8.8x.\n",
+ printk(KERN_DEBUG " %c #%d desc. %8.8x %8.8x %8.8x %8.8x.\n",
ioread32(ioaddr + TxPtr) == (long)&yp->tx_ring[i] ? '>' : ' ',
i, yp->tx_ring[i].dbdma_cmd, yp->tx_ring[i].addr,
yp->tx_ring[i].branch_addr, yp->tx_ring[i].result_status);
printk(KERN_DEBUG " Tx status %p:\n", yp->tx_status);
for (i = 0; i < TX_RING_SIZE; i++)
- printk(" #%d status %4.4x %4.4x %4.4x %4.4x.\n",
+ printk(KERN_DEBUG " #%d status %4.4x %4.4x %4.4x %4.4x.\n",
i, yp->tx_status[i].tx_cnt, yp->tx_status[i].tx_errs,
yp->tx_status[i].total_tx_cnt, yp->tx_status[i].paused);
- printk("\n"KERN_DEBUG " Rx ring %8.8llx:\n",
+ printk(KERN_DEBUG " Rx ring %8.8llx:\n",
(unsigned long long)yp->rx_ring_dma);
for (i = 0; i < RX_RING_SIZE; i++) {
printk(KERN_DEBUG " %c #%d desc. %8.8x %8.8x %8.8x\n",
/* Free all the skbuffs in the Rx queue. */
for (i = 0; i < RX_RING_SIZE; i++) {
yp->rx_ring[i].dbdma_cmd = cpu_to_le32(CMD_STOP);
- yp->rx_ring[i].addr = 0xBADF00D0; /* An invalid address. */
+ yp->rx_ring[i].addr = cpu_to_le32(0xBADF00D0); /* An invalid address. */
if (yp->rx_skbuff[i]) {
dev_kfree_skb(yp->rx_skbuff[i]);
}
return 0;
}
-static struct net_device_stats *yellowfin_get_stats(struct net_device *dev)
-{
- struct yellowfin_private *yp = netdev_priv(dev);
- return &yp->stats;
-}
-
/* Set or clear the multicast filter for this adaptor. */
static void set_rx_mode(struct net_device *dev)
return 0;
case SIOCSMIIREG: /* Write MII PHY register. */
- if (!capable(CAP_NET_ADMIN))
- return -EPERM;
if (data->phy_id == np->phys[0]) {
u16 value = data->val_in;
switch (data->reg_num) {
module_init(yellowfin_init);
module_exit(yellowfin_cleanup);
-
-/*
- * Local variables:
- * compile-command: "gcc -DMODULE -Wall -Wstrict-prototypes -O6 -c yellowfin.c"
- * compile-command-alphaLX: "gcc -DMODULE -Wall -Wstrict-prototypes -O2 -c yellowfin.c -fomit-frame-pointer -fno-strength-reduce -mno-fp-regs -Wa,-m21164a -DBWX_USABLE -DBWIO_ENABLED"
- * simple-compile-command: "gcc -DMODULE -O6 -c yellowfin.c"
- * c-indent-level: 4
- * c-basic-offset: 4
- * tab-width: 4
- * End:
- */
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff