ne2k-pci.c
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上传日期:2013-04-10
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文件大小:19k
- /* ne2k-pci.c: A NE2000 clone on PCI bus driver for Linux. */
- /*
- A Linux device driver for PCI NE2000 clones.
- Authors and other copyright holders:
- 1992-2000 by Donald Becker, NE2000 core and various modifications.
- 1995-1998 by Paul Gortmaker, core modifications and PCI support.
- Copyright 1993 assigned to the United States Government as represented
- by the Director, National Security Agency.
- This software may be used and distributed according to the terms of
- the GNU General Public License (GPL), incorporated herein by reference.
- Drivers based on or derived from this code fall under the GPL and must
- retain the authorship, copyright and license notice. This file is not
- a complete program and may only be used when the entire operating
- system is licensed under the GPL.
- The author may be reached as becker@scyld.com, or C/O
- Scyld Computing Corporation
- 410 Severn Ave., Suite 210
- Annapolis MD 21403
- Issues remaining:
- People are making PCI ne2000 clones! Oh the horror, the horror...
- Limited full-duplex support.
- */
- #define DRV_NAME "ne2k-pci"
- #define DRV_VERSION "1.02"
- #define DRV_RELDATE "10/19/2000"
- /* The user-configurable values.
- These may be modified when a driver module is loaded.*/
- static int debug = 1; /* 1 normal messages, 0 quiet .. 7 verbose. */
- #define MAX_UNITS 8 /* More are supported, limit only on options */
- /* Used to pass the full-duplex flag, etc. */
- static int full_duplex[MAX_UNITS];
- static int options[MAX_UNITS];
- /* Force a non std. amount of memory. Units are 256 byte pages. */
- /* #define PACKETBUF_MEMSIZE 0x40 */
- #include <linux/module.h>
- #include <linux/kernel.h>
- #include <linux/sched.h>
- #include <linux/errno.h>
- #include <linux/pci.h>
- #include <linux/init.h>
- #include <linux/ethtool.h>
- #include <asm/system.h>
- #include <asm/io.h>
- #include <asm/irq.h>
- #include <asm/uaccess.h>
- #include <linux/netdevice.h>
- #include <linux/etherdevice.h>
- #include "8390.h"
- /* These identify the driver base version and may not be removed. */
- static char version[] __devinitdata =
- KERN_INFO DRV_NAME ".c:v" DRV_VERSION " " DRV_RELDATE " D. Becker/P. Gortmakern"
- KERN_INFO " http://www.scyld.com/network/ne2k-pci.htmln";
- #if defined(__powerpc__)
- #define inl_le(addr) le32_to_cpu(inl(addr))
- #define inw_le(addr) le16_to_cpu(inw(addr))
- #define insl insl_ns
- #define outsl outsl_ns
- #endif
- #define PFX DRV_NAME ": "
- MODULE_AUTHOR("Donald Becker / Paul Gortmaker");
- MODULE_DESCRIPTION("PCI NE2000 clone driver");
- MODULE_LICENSE("GPL");
- MODULE_PARM(debug, "i");
- MODULE_PARM(options, "1-" __MODULE_STRING(MAX_UNITS) "i");
- MODULE_PARM(full_duplex, "1-" __MODULE_STRING(MAX_UNITS) "i");
- MODULE_PARM_DESC(debug, "debug level (1-2)");
- MODULE_PARM_DESC(options, "Bit 5: full duplex");
- MODULE_PARM_DESC(full_duplex, "full duplex setting(s) (1)");
- /* Some defines that people can play with if so inclined. */
- /* Use 32 bit data-movement operations instead of 16 bit. */
- #define USE_LONGIO
- /* Do we implement the read before write bugfix ? */
- /* #define NE_RW_BUGFIX */
- /* Flags. We rename an existing ei_status field to store flags! */
- /* Thus only the low 8 bits are usable for non-init-time flags. */
- #define ne2k_flags reg0
- enum {
- ONLY_16BIT_IO=8, ONLY_32BIT_IO=4, /* Chip can do only 16/32-bit xfers. */
- FORCE_FDX=0x20, /* User override. */
- REALTEK_FDX=0x40, HOLTEK_FDX=0x80,
- STOP_PG_0x60=0x100,
- };
- enum ne2k_pci_chipsets {
- CH_RealTek_RTL_8029 = 0,
- CH_Winbond_89C940,
- CH_Compex_RL2000,
- CH_KTI_ET32P2,
- CH_NetVin_NV5000SC,
- CH_Via_86C926,
- CH_SureCom_NE34,
- CH_Winbond_W89C940F,
- CH_Holtek_HT80232,
- CH_Holtek_HT80229,
- };
- static struct {
- char *name;
- int flags;
- } pci_clone_list[] __devinitdata = {
- {"RealTek RTL-8029", REALTEK_FDX},
- {"Winbond 89C940", 0},
- {"Compex RL2000", 0},
- {"KTI ET32P2", 0},
- {"NetVin NV5000SC", 0},
- {"Via 86C926", ONLY_16BIT_IO},
- {"SureCom NE34", 0},
- {"Winbond W89C940F", 0},
- {"Holtek HT80232", ONLY_16BIT_IO | HOLTEK_FDX},
- {"Holtek HT80229", ONLY_32BIT_IO | HOLTEK_FDX | STOP_PG_0x60 },
- {0,}
- };
- static struct pci_device_id ne2k_pci_tbl[] __devinitdata = {
- { 0x10ec, 0x8029, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CH_RealTek_RTL_8029 },
- { 0x1050, 0x0940, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CH_Winbond_89C940 },
- { 0x11f6, 0x1401, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CH_Compex_RL2000 },
- { 0x8e2e, 0x3000, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CH_KTI_ET32P2 },
- { 0x4a14, 0x5000, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CH_NetVin_NV5000SC },
- { 0x1106, 0x0926, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CH_Via_86C926 },
- { 0x10bd, 0x0e34, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CH_SureCom_NE34 },
- { 0x1050, 0x5a5a, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CH_Winbond_W89C940F },
- { 0x12c3, 0x0058, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CH_Holtek_HT80232 },
- { 0x12c3, 0x5598, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CH_Holtek_HT80229 },
- { 0, }
- };
- MODULE_DEVICE_TABLE(pci, ne2k_pci_tbl);
- /* ---- No user-serviceable parts below ---- */
- #define NE_BASE (dev->base_addr)
- #define NE_CMD 0x00
- #define NE_DATAPORT 0x10 /* NatSemi-defined port window offset. */
- #define NE_RESET 0x1f /* Issue a read to reset, a write to clear. */
- #define NE_IO_EXTENT 0x20
- #define NESM_START_PG 0x40 /* First page of TX buffer */
- #define NESM_STOP_PG 0x80 /* Last page +1 of RX ring */
- static int ne2k_pci_open(struct net_device *dev);
- static int ne2k_pci_close(struct net_device *dev);
- static void ne2k_pci_reset_8390(struct net_device *dev);
- static void ne2k_pci_get_8390_hdr(struct net_device *dev, struct e8390_pkt_hdr *hdr,
- int ring_page);
- static void ne2k_pci_block_input(struct net_device *dev, int count,
- struct sk_buff *skb, int ring_offset);
- static void ne2k_pci_block_output(struct net_device *dev, const int count,
- const unsigned char *buf, const int start_page);
- static int netdev_ioctl(struct net_device *dev, struct ifreq *rq, int cmd);
- /* There is no room in the standard 8390 structure for extra info we need,
- so we build a meta/outer-wrapper structure.. */
- struct ne2k_pci_card {
- struct net_device *dev;
- struct pci_dev *pci_dev;
- };
- /*
- NEx000-clone boards have a Station Address (SA) PROM (SAPROM) in the packet
- buffer memory space. By-the-spec NE2000 clones have 0x57,0x57 in bytes
- 0x0e,0x0f of the SAPROM, while other supposed NE2000 clones must be
- detected by their SA prefix.
- Reading the SAPROM from a word-wide card with the 8390 set in byte-wide
- mode results in doubled values, which can be detected and compensated for.
- The probe is also responsible for initializing the card and filling
- in the 'dev' and 'ei_status' structures.
- */
- static int __devinit ne2k_pci_init_one (struct pci_dev *pdev,
- const struct pci_device_id *ent)
- {
- struct net_device *dev;
- int i;
- unsigned char SA_prom[32];
- int start_page, stop_page;
- int irq, reg0, chip_idx = ent->driver_data;
- static unsigned int fnd_cnt;
- long ioaddr;
- int flags = pci_clone_list[chip_idx].flags;
- /* when built into the kernel, we only print version if device is found */
- #ifndef MODULE
- static int printed_version;
- if (!printed_version++)
- printk(version);
- #endif
- fnd_cnt++;
- i = pci_enable_device (pdev);
- if (i)
- return i;
- ioaddr = pci_resource_start (pdev, 0);
- irq = pdev->irq;
- if (!ioaddr || ((pci_resource_flags (pdev, 0) & IORESOURCE_IO) == 0)) {
- printk (KERN_ERR PFX "no I/O resource at PCI BAR #0n");
- return -ENODEV;
- }
- if (request_region (ioaddr, NE_IO_EXTENT, DRV_NAME) == NULL) {
- printk (KERN_ERR PFX "I/O resource 0x%x @ 0x%lx busyn",
- NE_IO_EXTENT, ioaddr);
- return -EBUSY;
- }
- reg0 = inb(ioaddr);
- if (reg0 == 0xFF)
- goto err_out_free_res;
- /* Do a preliminary verification that we have a 8390. */
- {
- int regd;
- outb(E8390_NODMA+E8390_PAGE1+E8390_STOP, ioaddr + E8390_CMD);
- regd = inb(ioaddr + 0x0d);
- outb(0xff, ioaddr + 0x0d);
- outb(E8390_NODMA+E8390_PAGE0, ioaddr + E8390_CMD);
- inb(ioaddr + EN0_COUNTER0); /* Clear the counter by reading. */
- if (inb(ioaddr + EN0_COUNTER0) != 0) {
- outb(reg0, ioaddr);
- outb(regd, ioaddr + 0x0d); /* Restore the old values. */
- goto err_out_free_res;
- }
- }
- dev = alloc_etherdev(0);
- if (!dev) {
- printk (KERN_ERR PFX "cannot allocate ethernet devicen");
- goto err_out_free_res;
- }
- SET_MODULE_OWNER(dev);
- /* Reset card. Who knows what dain-bramaged state it was left in. */
- {
- unsigned long reset_start_time = jiffies;
- outb(inb(ioaddr + NE_RESET), ioaddr + NE_RESET);
- /* This looks like a horrible timing loop, but it should never take
- more than a few cycles.
- */
- while ((inb(ioaddr + EN0_ISR) & ENISR_RESET) == 0)
- /* Limit wait: '2' avoids jiffy roll-over. */
- if (jiffies - reset_start_time > 2) {
- printk(KERN_ERR PFX "Card failure (no reset ack).n");
- goto err_out_free_netdev;
- }
- outb(0xff, ioaddr + EN0_ISR); /* Ack all intr. */
- }
- /* Read the 16 bytes of station address PROM.
- We must first initialize registers, similar to NS8390_init(eifdev, 0).
- We can't reliably read the SAPROM address without this.
- (I learned the hard way!). */
- {
- struct {unsigned char value, offset; } program_seq[] = {
- {E8390_NODMA+E8390_PAGE0+E8390_STOP, E8390_CMD}, /* Select page 0*/
- {0x49, EN0_DCFG}, /* Set word-wide access. */
- {0x00, EN0_RCNTLO}, /* Clear the count regs. */
- {0x00, EN0_RCNTHI},
- {0x00, EN0_IMR}, /* Mask completion irq. */
- {0xFF, EN0_ISR},
- {E8390_RXOFF, EN0_RXCR}, /* 0x20 Set to monitor */
- {E8390_TXOFF, EN0_TXCR}, /* 0x02 and loopback mode. */
- {32, EN0_RCNTLO},
- {0x00, EN0_RCNTHI},
- {0x00, EN0_RSARLO}, /* DMA starting at 0x0000. */
- {0x00, EN0_RSARHI},
- {E8390_RREAD+E8390_START, E8390_CMD},
- };
- for (i = 0; i < sizeof(program_seq)/sizeof(program_seq[0]); i++)
- outb(program_seq[i].value, ioaddr + program_seq[i].offset);
- }
- /* Note: all PCI cards have at least 16 bit access, so we don't have
- to check for 8 bit cards. Most cards permit 32 bit access. */
- if (flags & ONLY_32BIT_IO) {
- for (i = 0; i < 4 ; i++)
- ((u32 *)SA_prom)[i] = le32_to_cpu(inl(ioaddr + NE_DATAPORT));
- } else
- for(i = 0; i < 32 /*sizeof(SA_prom)*/; i++)
- SA_prom[i] = inb(ioaddr + NE_DATAPORT);
- /* We always set the 8390 registers for word mode. */
- outb(0x49, ioaddr + EN0_DCFG);
- start_page = NESM_START_PG;
- stop_page = flags & STOP_PG_0x60 ? 0x60 : NESM_STOP_PG;
- /* Set up the rest of the parameters. */
- dev->irq = irq;
- dev->base_addr = ioaddr;
- pci_set_drvdata(pdev, dev);
- /* Allocate dev->priv and fill in 8390 specific dev fields. */
- if (ethdev_init(dev)) {
- printk (KERN_ERR "ne2kpci(%s): unable to get memory for dev->priv.n",
- pdev->slot_name);
- goto err_out_free_netdev;
- }
- ei_status.name = pci_clone_list[chip_idx].name;
- ei_status.tx_start_page = start_page;
- ei_status.stop_page = stop_page;
- ei_status.word16 = 1;
- ei_status.ne2k_flags = flags;
- if (fnd_cnt < MAX_UNITS) {
- if (full_duplex[fnd_cnt] > 0 || (options[fnd_cnt] & FORCE_FDX))
- ei_status.ne2k_flags |= FORCE_FDX;
- }
- ei_status.rx_start_page = start_page + TX_PAGES;
- #ifdef PACKETBUF_MEMSIZE
- /* Allow the packet buffer size to be overridden by know-it-alls. */
- ei_status.stop_page = ei_status.tx_start_page + PACKETBUF_MEMSIZE;
- #endif
- ei_status.reset_8390 = &ne2k_pci_reset_8390;
- ei_status.block_input = &ne2k_pci_block_input;
- ei_status.block_output = &ne2k_pci_block_output;
- ei_status.get_8390_hdr = &ne2k_pci_get_8390_hdr;
- ei_status.priv = (unsigned long) pdev;
- dev->open = &ne2k_pci_open;
- dev->stop = &ne2k_pci_close;
- dev->do_ioctl = &netdev_ioctl;
- NS8390_init(dev, 0);
- i = register_netdev(dev);
- if (i)
- goto err_out_free_8390;
- printk("%s: %s found at %#lx, IRQ %d, ",
- dev->name, pci_clone_list[chip_idx].name, ioaddr, dev->irq);
- for(i = 0; i < 6; i++) {
- printk("%2.2X%s", SA_prom[i], i == 5 ? ".n": ":");
- dev->dev_addr[i] = SA_prom[i];
- }
- return 0;
- err_out_free_8390:
- kfree(dev->priv);
- err_out_free_netdev:
- kfree (dev);
- err_out_free_res:
- release_region (ioaddr, NE_IO_EXTENT);
- pci_set_drvdata (pdev, NULL);
- return -ENODEV;
- }
- static int ne2k_pci_open(struct net_device *dev)
- {
- int ret = request_irq(dev->irq, ei_interrupt, SA_SHIRQ, dev->name, dev);
- if (ret)
- return ret;
- /* Set full duplex for the chips that we know about. */
- if (ei_status.ne2k_flags & FORCE_FDX) {
- long ioaddr = dev->base_addr;
- if (ei_status.ne2k_flags & REALTEK_FDX) {
- outb(0xC0 + E8390_NODMA, ioaddr + NE_CMD); /* Page 3 */
- outb(inb(ioaddr + 0x20) | 0x80, ioaddr + 0x20);
- } else if (ei_status.ne2k_flags & HOLTEK_FDX)
- outb(inb(ioaddr + 0x20) | 0x80, ioaddr + 0x20);
- }
- ei_open(dev);
- return 0;
- }
- static int ne2k_pci_close(struct net_device *dev)
- {
- ei_close(dev);
- free_irq(dev->irq, dev);
- return 0;
- }
- /* Hard reset the card. This used to pause for the same period that a
- 8390 reset command required, but that shouldn't be necessary. */
- static void ne2k_pci_reset_8390(struct net_device *dev)
- {
- unsigned long reset_start_time = jiffies;
- if (debug > 1) printk("%s: Resetting the 8390 t=%ld...",
- dev->name, jiffies);
- outb(inb(NE_BASE + NE_RESET), NE_BASE + NE_RESET);
- ei_status.txing = 0;
- ei_status.dmaing = 0;
- /* This check _should_not_ be necessary, omit eventually. */
- while ((inb(NE_BASE+EN0_ISR) & ENISR_RESET) == 0)
- if (jiffies - reset_start_time > 2) {
- printk("%s: ne2k_pci_reset_8390() did not complete.n", dev->name);
- break;
- }
- outb(ENISR_RESET, NE_BASE + EN0_ISR); /* Ack intr. */
- }
- /* Grab the 8390 specific header. Similar to the block_input routine, but
- we don't need to be concerned with ring wrap as the header will be at
- the start of a page, so we optimize accordingly. */
- static void ne2k_pci_get_8390_hdr(struct net_device *dev, struct e8390_pkt_hdr *hdr, int ring_page)
- {
- long nic_base = dev->base_addr;
- /* This *shouldn't* happen. If it does, it's the last thing you'll see */
- if (ei_status.dmaing) {
- printk("%s: DMAing conflict in ne2k_pci_get_8390_hdr "
- "[DMAstat:%d][irqlock:%d].n",
- dev->name, ei_status.dmaing, ei_status.irqlock);
- return;
- }
- ei_status.dmaing |= 0x01;
- outb(E8390_NODMA+E8390_PAGE0+E8390_START, nic_base+ NE_CMD);
- outb(sizeof(struct e8390_pkt_hdr), nic_base + EN0_RCNTLO);
- outb(0, nic_base + EN0_RCNTHI);
- outb(0, nic_base + EN0_RSARLO); /* On page boundary */
- outb(ring_page, nic_base + EN0_RSARHI);
- outb(E8390_RREAD+E8390_START, nic_base + NE_CMD);
- if (ei_status.ne2k_flags & ONLY_16BIT_IO) {
- insw(NE_BASE + NE_DATAPORT, hdr, sizeof(struct e8390_pkt_hdr)>>1);
- } else {
- *(u32*)hdr = le32_to_cpu(inl(NE_BASE + NE_DATAPORT));
- le16_to_cpus(&hdr->count);
- }
- outb(ENISR_RDC, nic_base + EN0_ISR); /* Ack intr. */
- ei_status.dmaing &= ~0x01;
- }
- /* Block input and output, similar to the Crynwr packet driver. If you
- are porting to a new ethercard, look at the packet driver source for hints.
- The NEx000 doesn't share the on-board packet memory -- you have to put
- the packet out through the "remote DMA" dataport using outb. */
- static void ne2k_pci_block_input(struct net_device *dev, int count,
- struct sk_buff *skb, int ring_offset)
- {
- long nic_base = dev->base_addr;
- char *buf = skb->data;
- /* This *shouldn't* happen. If it does, it's the last thing you'll see */
- if (ei_status.dmaing) {
- printk("%s: DMAing conflict in ne2k_pci_block_input "
- "[DMAstat:%d][irqlock:%d].n",
- dev->name, ei_status.dmaing, ei_status.irqlock);
- return;
- }
- ei_status.dmaing |= 0x01;
- if (ei_status.ne2k_flags & ONLY_32BIT_IO)
- count = (count + 3) & 0xFFFC;
- outb(E8390_NODMA+E8390_PAGE0+E8390_START, nic_base+ NE_CMD);
- outb(count & 0xff, nic_base + EN0_RCNTLO);
- outb(count >> 8, nic_base + EN0_RCNTHI);
- outb(ring_offset & 0xff, nic_base + EN0_RSARLO);
- outb(ring_offset >> 8, nic_base + EN0_RSARHI);
- outb(E8390_RREAD+E8390_START, nic_base + NE_CMD);
- if (ei_status.ne2k_flags & ONLY_16BIT_IO) {
- insw(NE_BASE + NE_DATAPORT,buf,count>>1);
- if (count & 0x01) {
- buf[count-1] = inb(NE_BASE + NE_DATAPORT);
- }
- } else {
- insl(NE_BASE + NE_DATAPORT, buf, count>>2);
- if (count & 3) {
- buf += count & ~3;
- if (count & 2)
- *((u16*)buf)++ = le16_to_cpu(inw(NE_BASE + NE_DATAPORT));
- if (count & 1)
- *buf = inb(NE_BASE + NE_DATAPORT);
- }
- }
- outb(ENISR_RDC, nic_base + EN0_ISR); /* Ack intr. */
- ei_status.dmaing &= ~0x01;
- }
- static void ne2k_pci_block_output(struct net_device *dev, int count,
- const unsigned char *buf, const int start_page)
- {
- long nic_base = NE_BASE;
- unsigned long dma_start;
- /* On little-endian it's always safe to round the count up for
- word writes. */
- if (ei_status.ne2k_flags & ONLY_32BIT_IO)
- count = (count + 3) & 0xFFFC;
- else
- if (count & 0x01)
- count++;
- /* This *shouldn't* happen. If it does, it's the last thing you'll see */
- if (ei_status.dmaing) {
- printk("%s: DMAing conflict in ne2k_pci_block_output."
- "[DMAstat:%d][irqlock:%d]n",
- dev->name, ei_status.dmaing, ei_status.irqlock);
- return;
- }
- ei_status.dmaing |= 0x01;
- /* We should already be in page 0, but to be safe... */
- outb(E8390_PAGE0+E8390_START+E8390_NODMA, nic_base + NE_CMD);
- #ifdef NE8390_RW_BUGFIX
- /* Handle the read-before-write bug the same way as the
- Crynwr packet driver -- the NatSemi method doesn't work.
- Actually this doesn't always work either, but if you have
- problems with your NEx000 this is better than nothing! */
- outb(0x42, nic_base + EN0_RCNTLO);
- outb(0x00, nic_base + EN0_RCNTHI);
- outb(0x42, nic_base + EN0_RSARLO);
- outb(0x00, nic_base + EN0_RSARHI);
- outb(E8390_RREAD+E8390_START, nic_base + NE_CMD);
- #endif
- outb(ENISR_RDC, nic_base + EN0_ISR);
- /* Now the normal output. */
- outb(count & 0xff, nic_base + EN0_RCNTLO);
- outb(count >> 8, nic_base + EN0_RCNTHI);
- outb(0x00, nic_base + EN0_RSARLO);
- outb(start_page, nic_base + EN0_RSARHI);
- outb(E8390_RWRITE+E8390_START, nic_base + NE_CMD);
- if (ei_status.ne2k_flags & ONLY_16BIT_IO) {
- outsw(NE_BASE + NE_DATAPORT, buf, count>>1);
- } else {
- outsl(NE_BASE + NE_DATAPORT, buf, count>>2);
- if (count & 3) {
- buf += count & ~3;
- if (count & 2)
- outw(cpu_to_le16(*((u16*)buf)++), NE_BASE + NE_DATAPORT);
- }
- }
- dma_start = jiffies;
- while ((inb(nic_base + EN0_ISR) & ENISR_RDC) == 0)
- if (jiffies - dma_start > 2) { /* Avoid clock roll-over. */
- printk(KERN_WARNING "%s: timeout waiting for Tx RDC.n", dev->name);
- ne2k_pci_reset_8390(dev);
- NS8390_init(dev,1);
- break;
- }
- outb(ENISR_RDC, nic_base + EN0_ISR); /* Ack intr. */
- ei_status.dmaing &= ~0x01;
- return;
- }
- static int netdev_ethtool_ioctl(struct net_device *dev, void *useraddr)
- {
- struct ei_device *ei = dev->priv;
- struct pci_dev *pci_dev = (struct pci_dev *) ei->priv;
- u32 ethcmd;
-
- if (copy_from_user(ðcmd, useraddr, sizeof(ethcmd)))
- return -EFAULT;
- switch (ethcmd) {
- case ETHTOOL_GDRVINFO: {
- struct ethtool_drvinfo info = {ETHTOOL_GDRVINFO};
- strcpy(info.driver, DRV_NAME);
- strcpy(info.version, DRV_VERSION);
- strcpy(info.bus_info, pci_dev->slot_name);
- if (copy_to_user(useraddr, &info, sizeof(info)))
- return -EFAULT;
- return 0;
- }
- }
-
- return -EOPNOTSUPP;
- }
- static int netdev_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
- {
- switch(cmd) {
- case SIOCETHTOOL:
- return netdev_ethtool_ioctl(dev, (void *) rq->ifr_data);
- default:
- return -EOPNOTSUPP;
- }
- }
- static void __devexit ne2k_pci_remove_one (struct pci_dev *pdev)
- {
- struct net_device *dev = pci_get_drvdata(pdev);
- if (!dev)
- BUG();
- unregister_netdev(dev);
- release_region(dev->base_addr, NE_IO_EXTENT);
- kfree(dev);
- pci_set_drvdata(pdev, NULL);
- }
- static struct pci_driver ne2k_driver = {
- name: DRV_NAME,
- probe: ne2k_pci_init_one,
- remove: __devexit_p(ne2k_pci_remove_one),
- id_table: ne2k_pci_tbl,
- };
- static int __init ne2k_pci_init(void)
- {
- /* when a module, this is printed whether or not devices are found in probe */
- #ifdef MODULE
- printk(version);
- #endif
- return pci_module_init (&ne2k_driver);
- }
- static void __exit ne2k_pci_cleanup(void)
- {
- pci_unregister_driver (&ne2k_driver);
- }
- module_init(ne2k_pci_init);
- module_exit(ne2k_pci_cleanup);