summaryrefslogtreecommitdiff
path: root/drivers/net/fmv18x.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/net/fmv18x.c')
-rw-r--r--drivers/net/fmv18x.c689
1 files changed, 689 insertions, 0 deletions
diff --git a/drivers/net/fmv18x.c b/drivers/net/fmv18x.c
new file mode 100644
index 000000000000..04c748523471
--- /dev/null
+++ b/drivers/net/fmv18x.c
@@ -0,0 +1,689 @@
+/* fmv18x.c: A network device driver for the Fujitsu FMV-181/182/183/184.
+
+ Original: at1700.c (1993-94 by Donald Becker).
+ Copyright 1993 United States Government as represented by the
+ Director, National Security Agency.
+ The author may be reached as becker@scyld.com, or C/O
+ Scyld Computing Corporation
+ 410 Severn Ave., Suite 210
+ Annapolis MD 21403
+
+ Modified by Yutaka TAMIYA (tamy@flab.fujitsu.co.jp)
+ Copyright 1994 Fujitsu Laboratories Ltd.
+ Special thanks to:
+ Masayoshi UTAKA (utaka@ace.yk.fujitsu.co.jp)
+ for testing this driver.
+ H. NEGISHI (agy, negishi@sun45.psd.cs.fujitsu.co.jp)
+ for suggestion of some program modification.
+ Masahiro SEKIGUCHI <seki@sysrap.cs.fujitsu.co.jp>
+ for suggestion of some program modification.
+ Kazutoshi MORIOKA (morioka@aurora.oaks.cs.fujitsu.co.jp)
+ for testing this driver.
+
+ This software may be used and distributed according to the terms
+ of the GNU General Public License, incorporated herein by reference.
+
+ This is a device driver for the Fujitsu FMV-181/182/183/184, which
+ is a straight-forward Fujitsu MB86965 implementation.
+
+ Sources:
+ at1700.c
+ The Fujitsu MB86965 datasheet.
+ The Fujitsu FMV-181/182 user's guide
+*/
+
+static const char version[] =
+ "fmv18x.c:v2.2.0 09/24/98 Yutaka TAMIYA (tamy@flab.fujitsu.co.jp)\n";
+
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/types.h>
+#include <linux/fcntl.h>
+#include <linux/interrupt.h>
+#include <linux/ioport.h>
+#include <linux/in.h>
+#include <linux/slab.h>
+#include <linux/string.h>
+#include <linux/init.h>
+#include <linux/errno.h>
+#include <linux/spinlock.h>
+#include <linux/netdevice.h>
+#include <linux/etherdevice.h>
+#include <linux/skbuff.h>
+#include <linux/delay.h>
+#include <linux/bitops.h>
+
+#include <asm/system.h>
+#include <asm/io.h>
+#include <asm/dma.h>
+
+#define DRV_NAME "fmv18x"
+
+static unsigned fmv18x_probe_list[] __initdata = {
+ 0x220, 0x240, 0x260, 0x280, 0x2a0, 0x2c0, 0x300, 0x340, 0
+};
+
+/* use 0 for production, 1 for verification, >2 for debug */
+#ifndef NET_DEBUG
+#define NET_DEBUG 1
+#endif
+static unsigned int net_debug = NET_DEBUG;
+
+typedef unsigned char uchar;
+
+/* Information that need to be kept for each board. */
+struct net_local {
+ struct net_device_stats stats;
+ long open_time; /* Useless example local info. */
+ uint tx_started:1; /* Number of packet on the Tx queue. */
+ uint tx_queue_ready:1; /* Tx queue is ready to be sent. */
+ uint rx_started:1; /* Packets are Rxing. */
+ uchar tx_queue; /* Number of packet on the Tx queue. */
+ ushort tx_queue_len; /* Current length of the Tx queue. */
+ spinlock_t lock;
+};
+
+
+/* Offsets from the base address. */
+#define STATUS 0
+#define TX_STATUS 0
+#define RX_STATUS 1
+#define TX_INTR 2 /* Bit-mapped interrupt enable registers. */
+#define RX_INTR 3
+#define TX_MODE 4
+#define RX_MODE 5
+#define CONFIG_0 6 /* Misc. configuration settings. */
+#define CONFIG_1 7
+/* Run-time register bank 2 definitions. */
+#define DATAPORT 8 /* Word-wide DMA or programmed-I/O dataport. */
+#define TX_START 10
+#define COL16CNTL 11 /* Controll Reg for 16 collisions */
+#define MODE13 13
+/* Fujitsu FMV-18x Card Configuration */
+#define FJ_STATUS0 0x10
+#define FJ_STATUS1 0x11
+#define FJ_CONFIG0 0x12
+#define FJ_CONFIG1 0x13
+#define FJ_MACADDR 0x14 /* 0x14 - 0x19 */
+#define FJ_BUFCNTL 0x1A
+#define FJ_BUFDATA 0x1C
+#define FMV18X_IO_EXTENT 32
+
+/* Index to functions, as function prototypes. */
+
+static int fmv18x_probe1(struct net_device *dev, short ioaddr);
+static int net_open(struct net_device *dev);
+static int net_send_packet(struct sk_buff *skb, struct net_device *dev);
+static irqreturn_t net_interrupt(int irq, void *dev_id, struct pt_regs *regs);
+static void net_rx(struct net_device *dev);
+static void net_timeout(struct net_device *dev);
+static int net_close(struct net_device *dev);
+static struct net_device_stats *net_get_stats(struct net_device *dev);
+static void set_multicast_list(struct net_device *dev);
+
+
+/* Check for a network adaptor of this type, and return '0' iff one exists.
+ If dev->base_addr == 0, probe all likely locations.
+ If dev->base_addr == 1, always return failure.
+ If dev->base_addr == 2, allocate space for the device and return success
+ (detachable devices only).
+ */
+
+static int io = 0x220;
+static int irq;
+
+struct net_device * __init fmv18x_probe(int unit)
+{
+ struct net_device *dev = alloc_etherdev(sizeof(struct net_local));
+ unsigned *port;
+ int err = 0;
+
+ if (!dev)
+ return ERR_PTR(-ENODEV);
+
+ if (unit >= 0) {
+ sprintf(dev->name, "eth%d", unit);
+ netdev_boot_setup_check(dev);
+ io = dev->base_addr;
+ irq = dev->irq;
+ }
+
+ SET_MODULE_OWNER(dev);
+
+ if (io > 0x1ff) { /* Check a single specified location. */
+ err = fmv18x_probe1(dev, io);
+ } else if (io != 0) { /* Don't probe at all. */
+ err = -ENXIO;
+ } else {
+ for (port = fmv18x_probe_list; *port; port++)
+ if (fmv18x_probe1(dev, *port) == 0)
+ break;
+ if (!*port)
+ err = -ENODEV;
+ }
+ if (err)
+ goto out;
+ err = register_netdev(dev);
+ if (err)
+ goto out1;
+ return dev;
+out1:
+ free_irq(dev->irq, dev);
+ release_region(dev->base_addr, FMV18X_IO_EXTENT);
+out:
+ free_netdev(dev);
+ return ERR_PTR(err);
+}
+
+/* The Fujitsu datasheet suggests that the NIC be probed for by checking its
+ "signature", the default bit pattern after a reset. This *doesn't* work --
+ there is no way to reset the bus interface without a complete power-cycle!
+
+ It turns out that ATI came to the same conclusion I did: the only thing
+ that can be done is checking a few bits and then diving right into MAC
+ address check. */
+
+static int __init fmv18x_probe1(struct net_device *dev, short ioaddr)
+{
+ char irqmap[4] = {3, 7, 10, 15};
+ char irqmap_pnp[8] = {3, 4, 5, 7, 9, 10, 11, 15};
+ unsigned int i, retval;
+ struct net_local *lp;
+
+ /* Resetting the chip doesn't reset the ISA interface, so don't bother.
+ That means we have to be careful with the register values we probe for.
+ */
+
+ if (!request_region(ioaddr, FMV18X_IO_EXTENT, DRV_NAME))
+ return -EBUSY;
+
+ dev->irq = irq;
+ dev->base_addr = ioaddr;
+
+ /* Check I/O address configuration and Fujitsu vendor code */
+ if (inb(ioaddr+FJ_MACADDR ) != 0x00
+ || inb(ioaddr+FJ_MACADDR+1) != 0x00
+ || inb(ioaddr+FJ_MACADDR+2) != 0x0e) {
+ retval = -ENODEV;
+ goto out;
+ }
+
+ /* Check PnP mode for FMV-183/184/183A/184A. */
+ /* This PnP routine is very poor. IO and IRQ should be known. */
+ if (inb(ioaddr + FJ_STATUS1) & 0x20) {
+ for (i = 0; i < 8; i++) {
+ if (dev->irq == irqmap_pnp[i])
+ break;
+ }
+ if (i == 8) {
+ retval = -ENODEV;
+ goto out;
+ }
+ } else {
+ if (fmv18x_probe_list[inb(ioaddr + FJ_CONFIG0) & 0x07] != ioaddr)
+ return -ENODEV;
+ dev->irq = irqmap[(inb(ioaddr + FJ_CONFIG0)>>6) & 0x03];
+ }
+
+ /* Snarf the interrupt vector now. */
+ retval = request_irq(dev->irq, &net_interrupt, 0, DRV_NAME, dev);
+ if (retval) {
+ printk ("FMV-18x found at %#3x, but it's unusable due to a conflict on"
+ "IRQ %d.\n", ioaddr, dev->irq);
+ goto out;
+ }
+
+ printk("%s: FMV-18x found at %#3x, IRQ %d, address ", dev->name,
+ ioaddr, dev->irq);
+
+ for(i = 0; i < 6; i++) {
+ unsigned char val = inb(ioaddr + FJ_MACADDR + i);
+ printk("%02x", val);
+ dev->dev_addr[i] = val;
+ }
+
+ /* "FJ_STATUS0" 12 bit 0x0400 means use regular 100 ohm 10baseT signals,
+ rather than 150 ohm shielded twisted pair compensation.
+ 0x0000 == auto-sense the interface
+ 0x0800 == use TP interface
+ 0x1800 == use coax interface
+ */
+ {
+ const char *porttype[] = {"auto-sense", "10baseT", "auto-sense", "10base2/5"};
+ ushort setup_value = inb(ioaddr + FJ_STATUS0);
+
+ switch( setup_value & 0x07 ){
+ case 0x01 /* 10base5 */:
+ case 0x02 /* 10base2 */: dev->if_port = 0x18; break;
+ case 0x04 /* 10baseT */: dev->if_port = 0x08; break;
+ default /* auto-sense*/: dev->if_port = 0x00; break;
+ }
+ printk(" %s interface.\n", porttype[(dev->if_port>>3) & 3]);
+ }
+
+ /* Initialize LAN Controller and LAN Card */
+ outb(0xda, ioaddr + CONFIG_0); /* Initialize LAN Controller */
+ outb(0x00, ioaddr + CONFIG_1); /* Stand by mode */
+ outb(0x00, ioaddr + FJ_CONFIG1); /* Disable IRQ of LAN Card */
+ outb(0x00, ioaddr + FJ_BUFCNTL); /* Reset ? I'm not sure (TAMIYA) */
+
+ /* wait for a while */
+ udelay(200);
+
+ /* Set the station address in bank zero. */
+ outb(0x00, ioaddr + CONFIG_1);
+ for (i = 0; i < 6; i++)
+ outb(dev->dev_addr[i], ioaddr + 8 + i);
+
+ /* Switch to bank 1 and set the multicast table to accept none. */
+ outb(0x04, ioaddr + CONFIG_1);
+ for (i = 0; i < 8; i++)
+ outb(0x00, ioaddr + 8 + i);
+
+ /* Switch to bank 2 and lock our I/O address. */
+ outb(0x08, ioaddr + CONFIG_1);
+ outb(dev->if_port, ioaddr + MODE13);
+ outb(0x00, ioaddr + COL16CNTL);
+
+ if (net_debug)
+ printk(version);
+
+ /* Initialize the device structure. */
+ dev->priv = kmalloc(sizeof(struct net_local), GFP_KERNEL);
+ if (!dev->priv) {
+ retval = -ENOMEM;
+ goto out_irq;
+ }
+ memset(dev->priv, 0, sizeof(struct net_local));
+ lp = dev->priv;
+ spin_lock_init(&lp->lock);
+
+ dev->open = net_open;
+ dev->stop = net_close;
+ dev->hard_start_xmit = net_send_packet;
+ dev->tx_timeout = net_timeout;
+ dev->watchdog_timeo = HZ/10;
+ dev->get_stats = net_get_stats;
+ dev->set_multicast_list = set_multicast_list;
+ return 0;
+
+out_irq:
+ free_irq(dev->irq, dev);
+out:
+ release_region(ioaddr, FMV18X_IO_EXTENT);
+ return retval;
+}
+
+
+static int net_open(struct net_device *dev)
+{
+ struct net_local *lp = dev->priv;
+ int ioaddr = dev->base_addr;
+
+ /* Set the configuration register 0 to 32K 100ns. byte-wide memory,
+ 16 bit bus access, and two 4K Tx, enable the Rx and Tx. */
+ outb(0x5a, ioaddr + CONFIG_0);
+
+ /* Powerup and switch to register bank 2 for the run-time registers. */
+ outb(0xe8, ioaddr + CONFIG_1);
+
+ lp->tx_started = 0;
+ lp->tx_queue_ready = 1;
+ lp->rx_started = 0;
+ lp->tx_queue = 0;
+ lp->tx_queue_len = 0;
+
+ /* Clear Tx and Rx Status */
+ outb(0xff, ioaddr + TX_STATUS);
+ outb(0xff, ioaddr + RX_STATUS);
+ lp->open_time = jiffies;
+
+ netif_start_queue(dev);
+
+ /* Enable the IRQ of the LAN Card */
+ outb(0x80, ioaddr + FJ_CONFIG1);
+
+ /* Enable both Tx and Rx interrupts */
+ outw(0x8182, ioaddr+TX_INTR);
+
+ return 0;
+}
+
+static void net_timeout(struct net_device *dev)
+{
+ struct net_local *lp = dev->priv;
+ int ioaddr = dev->base_addr;
+ unsigned long flags;
+
+
+ printk(KERN_WARNING "%s: transmit timed out with status %04x, %s?\n", dev->name,
+ htons(inw(ioaddr + TX_STATUS)),
+ inb(ioaddr + TX_STATUS) & 0x80
+ ? "IRQ conflict" : "network cable problem");
+ printk(KERN_WARNING "%s: timeout registers: %04x %04x %04x %04x %04x %04x %04x %04x.\n",
+ dev->name, htons(inw(ioaddr + 0)),
+ htons(inw(ioaddr + 2)), htons(inw(ioaddr + 4)),
+ htons(inw(ioaddr + 6)), htons(inw(ioaddr + 8)),
+ htons(inw(ioaddr +10)), htons(inw(ioaddr +12)),
+ htons(inw(ioaddr +14)));
+ printk(KERN_WARNING "eth card: %04x %04x\n",
+ htons(inw(ioaddr+FJ_STATUS0)),
+ htons(inw(ioaddr+FJ_CONFIG0)));
+ lp->stats.tx_errors++;
+ /* ToDo: We should try to restart the adaptor... */
+ spin_lock_irqsave(&lp->lock, flags);
+
+ /* Initialize LAN Controller and LAN Card */
+ outb(0xda, ioaddr + CONFIG_0); /* Initialize LAN Controller */
+ outb(0x00, ioaddr + CONFIG_1); /* Stand by mode */
+ outb(0x00, ioaddr + FJ_CONFIG1); /* Disable IRQ of LAN Card */
+ outb(0x00, ioaddr + FJ_BUFCNTL); /* Reset ? I'm not sure */
+ net_open(dev);
+ spin_unlock_irqrestore(&lp->lock, flags);
+
+ netif_wake_queue(dev);
+}
+
+static int net_send_packet(struct sk_buff *skb, struct net_device *dev)
+{
+ struct net_local *lp = dev->priv;
+ int ioaddr = dev->base_addr;
+ short length = skb->len;
+ unsigned char *buf;
+ unsigned long flags;
+
+ /* Block a transmit from overlapping. */
+
+ if (length > ETH_FRAME_LEN) {
+ if (net_debug)
+ printk("%s: Attempting to send a large packet (%d bytes).\n",
+ dev->name, length);
+ return 1;
+ }
+
+ if (length < ETH_ZLEN) {
+ skb = skb_padto(skb, ETH_ZLEN);
+ if (skb == NULL)
+ return 0;
+ length = ETH_ZLEN;
+ }
+ buf = skb->data;
+
+ if (net_debug > 4)
+ printk("%s: Transmitting a packet of length %lu.\n", dev->name,
+ (unsigned long)skb->len);
+ /* We may not start transmitting unless we finish transferring
+ a packet into the Tx queue. During executing the following
+ codes we possibly catch a Tx interrupt. Thus we flag off
+ tx_queue_ready, so that we prevent the interrupt routine
+ (net_interrupt) to start transmitting. */
+ spin_lock_irqsave(&lp->lock, flags);
+ lp->tx_queue_ready = 0;
+ {
+ outw(length, ioaddr + DATAPORT);
+ outsw(ioaddr + DATAPORT, buf, (length + 1) >> 1);
+ lp->tx_queue++;
+ lp->tx_queue_len += length + 2;
+ }
+ lp->tx_queue_ready = 1;
+ spin_unlock_irqrestore(&lp->lock, flags);
+
+ if (lp->tx_started == 0) {
+ /* If the Tx is idle, always trigger a transmit. */
+ outb(0x80 | lp->tx_queue, ioaddr + TX_START);
+ lp->tx_queue = 0;
+ lp->tx_queue_len = 0;
+ dev->trans_start = jiffies;
+ lp->tx_started = 1;
+ } else if (lp->tx_queue_len >= 4096 - 1502) /* No room for a packet */
+ netif_stop_queue(dev);
+
+ dev_kfree_skb(skb);
+ return 0;
+}
+
+/* The typical workload of the driver:
+ Handle the network interface interrupts. */
+static irqreturn_t
+net_interrupt(int irq, void *dev_id, struct pt_regs *regs)
+{
+ struct net_device *dev = dev_id;
+ struct net_local *lp;
+ int ioaddr, status;
+
+ ioaddr = dev->base_addr;
+ lp = dev->priv;
+ status = inw(ioaddr + TX_STATUS);
+ outw(status, ioaddr + TX_STATUS);
+
+ if (net_debug > 4)
+ printk("%s: Interrupt with status %04x.\n", dev->name, status);
+ if (lp->rx_started == 0 &&
+ (status & 0xff00 || (inb(ioaddr + RX_MODE) & 0x40) == 0)) {
+ /* Got a packet(s).
+ We cannot execute net_rx more than once at the same time for
+ the same device. During executing net_rx, we possibly catch a
+ Tx interrupt. Thus we flag on rx_started, so that we prevent
+ the interrupt routine (net_interrupt) to dive into net_rx
+ again. */
+ lp->rx_started = 1;
+ outb(0x00, ioaddr + RX_INTR); /* Disable RX intr. */
+ net_rx(dev);
+ outb(0x81, ioaddr + RX_INTR); /* Enable RX intr. */
+ lp->rx_started = 0;
+ }
+ if (status & 0x00ff) {
+ if (status & 0x02) {
+ /* More than 16 collisions occurred */
+ if (net_debug > 4)
+ printk("%s: 16 Collision occur during Txing.\n", dev->name);
+ /* Cancel sending a packet. */
+ outb(0x03, ioaddr + COL16CNTL);
+ lp->stats.collisions++;
+ }
+ if (status & 0x82) {
+ spin_lock(&lp->lock);
+ lp->stats.tx_packets++;
+ if (lp->tx_queue && lp->tx_queue_ready) {
+ outb(0x80 | lp->tx_queue, ioaddr + TX_START);
+ lp->tx_queue = 0;
+ lp->tx_queue_len = 0;
+ dev->trans_start = jiffies;
+ netif_wake_queue(dev); /* Inform upper layers. */
+ } else {
+ lp->tx_started = 0;
+ netif_wake_queue(dev); /* Inform upper layers. */
+ }
+ spin_unlock(&lp->lock);
+ }
+ }
+ return IRQ_RETVAL(status);
+}
+
+/* We have a good packet(s), get it/them out of the buffers. */
+static void net_rx(struct net_device *dev)
+{
+ struct net_local *lp = dev->priv;
+ int ioaddr = dev->base_addr;
+ int boguscount = 5;
+
+ while ((inb(ioaddr + RX_MODE) & 0x40) == 0) {
+ /* Clear PKT_RDY bit: by agy 19940922 */
+ /* outb(0x80, ioaddr + RX_STATUS); */
+ ushort status = inw(ioaddr + DATAPORT);
+
+ if (net_debug > 4)
+ printk("%s: Rxing packet mode %02x status %04x.\n",
+ dev->name, inb(ioaddr + RX_MODE), status);
+#ifndef final_version
+ if (status == 0) {
+ outb(0x05, ioaddr + 14);
+ break;
+ }
+#endif
+
+ if ((status & 0xF0) != 0x20) { /* There was an error. */
+ lp->stats.rx_errors++;
+ if (status & 0x08) lp->stats.rx_length_errors++;
+ if (status & 0x04) lp->stats.rx_frame_errors++;
+ if (status & 0x02) lp->stats.rx_crc_errors++;
+ if (status & 0x01) lp->stats.rx_over_errors++;
+ } else {
+ ushort pkt_len = inw(ioaddr + DATAPORT);
+ /* Malloc up new buffer. */
+ struct sk_buff *skb;
+
+ if (pkt_len > 1550) {
+ printk("%s: The FMV-18x claimed a very large packet, size %d.\n",
+ dev->name, pkt_len);
+ outb(0x05, ioaddr + 14);
+ lp->stats.rx_errors++;
+ break;
+ }
+ skb = dev_alloc_skb(pkt_len+3);
+ if (skb == NULL) {
+ printk("%s: Memory squeeze, dropping packet (len %d).\n",
+ dev->name, pkt_len);
+ outb(0x05, ioaddr + 14);
+ lp->stats.rx_dropped++;
+ break;
+ }
+ skb->dev = dev;
+ skb_reserve(skb,2);
+
+ insw(ioaddr + DATAPORT, skb_put(skb,pkt_len), (pkt_len + 1) >> 1);
+
+ if (net_debug > 5) {
+ int i;
+ printk("%s: Rxed packet of length %d: ", dev->name, pkt_len);
+ for (i = 0; i < 14; i++)
+ printk(" %02x", skb->data[i]);
+ printk(".\n");
+ }
+
+ skb->protocol=eth_type_trans(skb, dev);
+ netif_rx(skb);
+ dev->last_rx = jiffies;
+ lp->stats.rx_packets++;
+ lp->stats.rx_bytes += pkt_len;
+ }
+ if (--boguscount <= 0)
+ break;
+ }
+
+ /* If any worth-while packets have been received, dev_rint()
+ has done a mark_bh(NET_BH) for us and will work on them
+ when we get to the bottom-half routine. */
+ {
+ int i;
+ for (i = 0; i < 20; i++) {
+ if ((inb(ioaddr + RX_MODE) & 0x40) == 0x40)
+ break;
+ (void)inw(ioaddr + DATAPORT); /* dummy status read */
+ outb(0x05, ioaddr + 14);
+ }
+
+ if (net_debug > 5 && i > 0)
+ printk("%s: Exint Rx packet with mode %02x after %d ticks.\n",
+ dev->name, inb(ioaddr + RX_MODE), i);
+ }
+
+ return;
+}
+
+/* The inverse routine to net_open(). */
+static int net_close(struct net_device *dev)
+{
+ int ioaddr = dev->base_addr;
+
+ ((struct net_local *)dev->priv)->open_time = 0;
+
+ netif_stop_queue(dev);
+
+ /* Set configuration register 0 to disable Tx and Rx. */
+ outb(0xda, ioaddr + CONFIG_0);
+
+ /* Update the statistics -- ToDo. */
+
+ /* Power-down the chip. Green, green, green! */
+ outb(0x00, ioaddr + CONFIG_1);
+
+ /* Set the ethernet adaptor disable IRQ */
+ outb(0x00, ioaddr + FJ_CONFIG1);
+
+ return 0;
+}
+
+/* Get the current statistics. This may be called with the card open or
+ closed. */
+static struct net_device_stats *net_get_stats(struct net_device *dev)
+{
+ struct net_local *lp = dev->priv;
+ return &lp->stats;
+}
+
+/* Set or clear the multicast filter for this adaptor.
+ num_addrs == -1 Promiscuous mode, receive all packets
+ num_addrs == 0 Normal mode, clear multicast list
+ num_addrs > 0 Multicast mode, receive normal and MC packets, and do
+ best-effort filtering.
+ */
+
+static void set_multicast_list(struct net_device *dev)
+{
+ short ioaddr = dev->base_addr;
+ if (dev->mc_count || dev->flags&(IFF_PROMISC|IFF_ALLMULTI))
+ {
+ /*
+ * We must make the kernel realise we had to move
+ * into promisc mode or we start all out war on
+ * the cable. - AC
+ */
+ dev->flags|=IFF_PROMISC;
+
+ outb(3, ioaddr + RX_MODE); /* Enable promiscuous mode */
+ }
+ else
+ outb(2, ioaddr + RX_MODE); /* Disable promiscuous, use normal mode */
+}
+
+#ifdef MODULE
+static struct net_device *dev_fmv18x;
+
+MODULE_PARM(io, "i");
+MODULE_PARM(irq, "i");
+MODULE_PARM(net_debug, "i");
+MODULE_PARM_DESC(io, "FMV-18X I/O address");
+MODULE_PARM_DESC(irq, "FMV-18X IRQ number");
+MODULE_PARM_DESC(net_debug, "FMV-18X debug level (0-1,5-6)");
+MODULE_LICENSE("GPL");
+
+int init_module(void)
+{
+ if (io == 0)
+ printk("fmv18x: You should not use auto-probing with insmod!\n");
+ dev_fmv18x = fmv18x_probe(-1);
+ if (IS_ERR(dev_fmv18x))
+ return PTR_ERR(dev_fmv18x);
+ return 0;
+}
+
+void
+cleanup_module(void)
+{
+ unregister_netdev(dev_fmv18x);
+ free_irq(dev_fmv18x->irq, dev_fmv18x);
+ release_region(dev_fmv18x->base_addr, FMV18X_IO_EXTENT);
+ free_netdev(dev_fmv18x);
+}
+#endif /* MODULE */
+
+/*
+ * Local variables:
+ * compile-command: "gcc -D__KERNEL__ -I/usr/src/linux/net/inet -Wall -Wstrict-prototypes -O6 -m486 -c fmv18x.c"
+ * version-control: t
+ * kept-new-versions: 5
+ * tab-width: 4
+ * c-indent-level: 4
+ * End:
+ */
generated by cgit v1.2.3 (git 2.39.0) at 2024-11-24 19:38:22 +0300