Hola comunidad voy a necesitar de su ayuda, estoy instalando una tarjeta de Red 3com etherlink III 3C509B-TPO ..ISA . y no me la reconoce el linux mandrake 8.0 .En Internet me consegui el codigo fuente de los instaladores , pero no e podido instalar , asi que cualquiera que me ayude de como hacerlo le agradeceria , porque necesito meter este tarro en la red.
saludos
Marcos C.
NOTA: ANEXO CODIGO FUENTE
| [EMAIL PROTECTED] |
/* 3c509.c: A 3c509 EtherLink3 ethernet driver for linux. */
/*
Written 1993-2000 by Donald Becker.
Copyright 1994-2000 by Donald Becker.
Copyright 1993 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.
This driver is for the 3Com EtherLinkIII series.
The author may be reached as [EMAIL PROTECTED], or C/O
Scyld Computing Corporation
410 Severn Ave., Suite 210
Annapolis MD 21403
Support and updates available at
http://www.scyld.com/network/3c509.html
Known limitations:
Because of the way 3c509 ISA detection works it's difficult to predict
a priori which of several ISA-mode cards will be detected first.
This driver does not use predictive interrupt mode, resulting in higher
packet latency but lower overhead. If interrupts are disabled for an
unusually long time this mode will cause packets to be slightly earlier,
but in practice this rarely happens.
FIXES:
Alan Cox: Removed the 'Unexpected interrupt' bug.
Michael Meskes: Upgraded to Donald Becker's version 1.07.
Alan Cox: Increased the eeprom delay. Regardless of
what the docs say some people definitely
get problems with lower (but in card spec)
delays
v1.10 4/21/97 Fixed module code so that multiple cards may be detected,
other cleanups. -djb
v1.13 9/8/97 Made 'max_interrupt_work' an insmod-settable variable -djb
v1.14 10/15/97 Avoided waiting..discard message for fast machines -djb
v1.15 1/31/98 Faster recovery for Tx errors. -djb
v1.16 2/3/98 Different ID port handling to avoid sound cards. -djb
v1.17 2/27/98 Explicit I/O address support. -djb
*/
static const char versionA[] = "3c509.c:1.18 6/29/2000 [EMAIL PROTECTED]\n";
static const char versionB[] = "http://www.scyld.com/network/3c509.html";
/* 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 el3_debug debug
/* Maximum events (Rx packets, etc.) to handle at each interrupt. */
static int max_interrupt_work = 15;
static int id_port = 0x110; /* Start with 0x110 to avoid sound cards.*/
#ifdef MODULE
#define NUM_UNITS 8
static int io[NUM_UNITS] = {-1, -1, -1, -1, -1, -1, -1, -1};
static int irq[NUM_UNITS] = {-1, -1, -1, -1, -1, -1, -1, -1};
static int xcvr[NUM_UNITS] = {-1, -1, -1, -1, -1, -1, -1, -1};
#endif
/* Operational parameters that are set at compile time. */
/* Time in jiffies before concluding the transmitter is hung. */
#define TX_TIMEOUT (400*HZ/1000)
#ifndef __KERNEL__
#define __KERNEL__
#endif
#if !defined(__OPTIMIZE__)
#warning You must compile this file with the correct options!
#warning See the last lines of the source file.
#error You must compile this driver with "-O".
#endif
#include <linux/config.h>
#if defined(CONFIG_SMP) && ! defined(__SMP__)
#define __SMP__
#endif
#if defined(CONFIG_MODVERSIONS) && ! defined(MODVERSIONS)
#define MODVERSIONS
#endif
#include <linux/version.h>
#include <linux/module.h>
#if LINUX_VERSION_CODE < 0x20300 && defined(MODVERSIONS)
#include <linux/modversions.h>
#endif
#include <linux/kernel.h>
#include <linux/string.h>
#include <linux/errno.h>
#include <linux/malloc.h>
#include <linux/interrupt.h>
#include <linux/ioport.h>
#include <linux/netdevice.h>
#include <linux/etherdevice.h>
#include <linux/skbuff.h>
#include <linux/delay.h> /* for udelay() */
#include <asm/bitops.h>
#include <asm/io.h>
/* The arg count changed, but function name did not.
We cover that bad choice by defining a new name.
*/
#if LINUX_VERSION_CODE < 0x20159
#define dev_free_skb(skb) dev_kfree_skb(skb, FREE_WRITE);
#else
#define dev_free_skb(skb) dev_kfree_skb(skb);
#endif
/* The old 'struct device' used a too-generic name. */
#if LINUX_VERSION_CODE < 0x2030d
#define net_device device
#endif
#if LINUX_VERSION_CODE < 0x20123
typedef long spinlock_t;
#define SPIN_LOCK_UNLOCKED 0
#define spin_lock(lock)
#define spin_unlock(lock)
#define spin_lock_irqsave(lock, flags) save_flags(flags); cli();
#define spin_unlock_irqrestore(lock, flags) restore_flags(flags);
#endif
/* To minimize the size of the driver source I only define operating
constants if they are used several times. You'll need the manual
anyway if you want to understand driver details. */
/* Offsets from base I/O address. */
#define EL3_DATA 0x00
#define EL3_CMD 0x0e
#define EL3_STATUS 0x0e
#define EEPROM_READ 0x80
#define EL3_IO_EXTENT 16
#define EL3WINDOW(win_num) outw(SelectWindow + (win_num), ioaddr + EL3_CMD)
/* The top five bits written to EL3_CMD are a command, the lower
11 bits are the parameter, if applicable. */
enum c509cmd {
TotalReset = 0<<11, SelectWindow = 1<<11, StartCoax = 2<<11,
RxDisable = 3<<11, RxEnable = 4<<11, RxReset = 5<<11, RxDiscard = 8<<11,
TxEnable = 9<<11, TxDisable = 10<<11, TxReset = 11<<11,
FakeIntr = 12<<11, AckIntr = 13<<11, SetIntrEnb = 14<<11,
SetStatusEnb = 15<<11, SetRxFilter = 16<<11, SetRxThreshold = 17<<11,
SetTxThreshold = 18<<11, SetTxStart = 19<<11, StatsEnable = 21<<11,
StatsDisable = 22<<11, StopCoax = 23<<11,};
enum c509status {
IntLatch = 0x0001, AdapterFailure = 0x0002, TxComplete = 0x0004,
TxAvailable = 0x0008, RxComplete = 0x0010, RxEarly = 0x0020,
IntReq = 0x0040, StatsFull = 0x0080, CmdBusy = 0x1000, };
/* The SetRxFilter command accepts the following classes: */
enum RxFilter {
RxStation = 1, RxMulticast = 2, RxBroadcast = 4, RxProm = 8 };
/* Register window 1 offsets, the window used in normal operation. */
#define TX_FIFO 0x00
#define RX_FIFO 0x00
#define RX_STATUS 0x08
#define TX_STATUS 0x0B
#define TX_FREE 0x0C /* Remaining free bytes in Tx buffer. */
#define WN0_IRQ 0x08 /* Window 0: Set IRQ line in bits 12-15. */
#define WN4_MEDIA 0x0A /* Window 4: Various transcvr/media bits. */
#define MEDIA_TP 0x00C0 /* Enable link beat and jabber for 10baseT. */
struct el3_private {
struct enet_statistics stats;
struct net_device *next_dev;
spinlock_t lock;
};
static struct net_device *el3_root_dev = NULL;
static int el3_probe1(struct net_device *dev, int ioaddr, int irq, int if_port);
static ushort id_read_eeprom(int index);
static ushort read_eeprom(int ioaddr, int index);
static int el3_open(struct net_device *dev);
static int el3_start_xmit(struct sk_buff *skb, struct net_device *dev);
static void el3_interrupt(int irq, void *dev_id, struct pt_regs *regs);
static void update_stats(int addr, struct net_device *dev);
static struct enet_statistics *el3_get_stats(struct net_device *dev);
static int el3_rx(struct net_device *dev);
static int el3_close(struct net_device *dev);
static void set_multicast_list(struct net_device *dev);
int el3_probe(struct net_device *dev)
{
short lrs_state = 0xff, i;
int ioaddr, irq, if_port;
u16 phys_addr[3];
static int current_tag = 0;
/* First check all slots of the EISA bus. The next slot address to
probe is kept in 'eisa_addr' to support multiple probe() calls. */
if (EISA_bus) {
static int eisa_addr = 0x1000;
while (eisa_addr < 0x9000) {
ioaddr = eisa_addr;
eisa_addr += 0x1000;
/* Check the standard EISA ID register for an encoded '3Com'. */
if (inw(ioaddr + 0xC80) != 0x6d50)
continue;
/* Change the register set to the configuration window 0. */
outw(SelectWindow | 0, ioaddr + 0xC80 + EL3_CMD);
for (i = 0; i < 3; i++)
phys_addr[i] = htons(read_eeprom(ioaddr, i));
/* Restore the "Product ID" to the EEPROM read register. */
read_eeprom(ioaddr, 3);
el3_probe1(dev, ioaddr, -1, -1);
dev = 0;
}
}
#ifdef CONFIG_MCA
if (MCA_bus) {
mca_adaptor_select_mode(1);
for (i = 0; i < 8; i++)
if ((mca_adaptor_id(i) | 1) == 0x627c) {
ioaddr = mca_pos_base_addr(i);
mca_adaptor_select_mode(0);
el3_probe1(dev, ioaddr, -1, -1);
dev = 0;
}
mca_adaptor_select_mode(0);
}
#endif
/* Reset the ISA PnP mechanism on 3c509b. */
outb(0x02, 0x279); /* Select PnP config control register. */
outb(0x02, 0xA79); /* Return to WaitForKey state. */
/* Select an open I/O location at 0x1*0 to do contention select. */
for ( ; id_port < 0x200; id_port += 0x10) {
if (check_region(id_port, 1))
continue;
outb(0x00, id_port);
outb(0xff, id_port);
if (inb(id_port) & 0x01)
break;
}
if (id_port >= 0x200) { /* GCC optimizes this test out. */
/* Rare -- do we really need a warning? */
printk(KERN_WARNING " WARNING: No I/O port available for 3c509 "
"activation.\n");
return -ENODEV;
}
/* Next check for all ISA bus boards by sending the ID sequence to the
ID_PORT. We find cards past the first by setting the 'current_tag'
on cards as they are found. Cards with their tag set will not
respond to subsequent ID sequences. */
outb(0x00, id_port);
outb(0x00, id_port);
for(i = 0; i < 255; i++) {
outb(lrs_state, id_port);
lrs_state <<= 1;
lrs_state = lrs_state & 0x100 ? lrs_state ^ 0xcf : lrs_state;
}
/* For the first probe, clear all board's tag registers. */
if (current_tag == 0)
outb(0xd0, id_port);
else /* Otherwise kill off already-found boards. */
outb(0xd8, id_port);
if (id_read_eeprom(7) != 0x6d50) {
return -ENODEV;
}
/* Read in EEPROM data, which does contention-select.
Only the lowest address board will stay "on-line".
3Com got the byte order backwards. */
for (i = 0; i < 3; i++) {
phys_addr[i] = htons(id_read_eeprom(i));
}
{
unsigned int iobase = id_read_eeprom(8);
if_port = iobase >> 14;
ioaddr = 0x200 + ((iobase & 0x1f) << 4);
}
irq = id_read_eeprom(9) >> 12;
if (dev) { /* Set passed-in IRQ or I/O Addr. */
if (dev->irq > 1 && dev->irq < 16)
irq = dev->irq;
if (dev->base_addr) {
if (dev->mem_end == 0x3c509 /* Magic key */
&& dev->base_addr >= 0x200 && dev->base_addr <= 0x3e0)
ioaddr = dev->base_addr & 0x3f0;
else if (dev->base_addr != ioaddr)
return -ENODEV;
}
}
/* Set the adaptor tag so that the next card can be found. */
outb(0xd0 + ++current_tag, id_port);
/* Activate the adaptor at the EEPROM location. */
outb((ioaddr >> 4) | 0xe0, id_port);
EL3WINDOW(0);
if (inw(ioaddr) != 0x6d50)
return -ENODEV;
{
const char *if_names[] = {"10baseT", "AUI", "undefined", "BNC"};
printk(KERN_INFO " 3c509 activated at %#3.3lx tag %d, %s port, address ",
dev->base_addr, current_tag, if_names[dev->if_port]);
}
/* Free the interrupt so that some other card can use it. */
outw(0x0f00, ioaddr + WN0_IRQ);
return el3_probe1(dev, ioaddr, irq, if_port);
}
static int el3_probe1(struct net_device *dev, int ioaddr, int irq, int if_port)
{
u16 phys_addr[3];
int i;
if (dev == NULL)
dev = init_etherdev(dev, sizeof(struct el3_private));
if (dev == NULL)
return -ENOMEM;
EL3WINDOW(0);
/* Read the OEM station address, not the 3Com reference address. */
for (i = 0; i < 3; i++)
phys_addr[i] = htons(read_eeprom(ioaddr, 10 + i));
memcpy(dev->dev_addr, phys_addr, sizeof(phys_addr));
dev->base_addr = ioaddr;
dev->irq = irq > 0 ? irq : inw(ioaddr + WN0_IRQ) >> 12;
dev->if_port = (dev->mem_start & 0x1f) ? dev->mem_start & 4 :
if_port >= 0 ? if_port : inw(ioaddr + 6)>>14;
request_region(dev->base_addr, EL3_IO_EXTENT, dev->name);
{
const char *if_names[] = {"10baseT", "AUI", "undefined", "BNC"};
printk(KERN_INFO "%s: 3c509 at %#3.3lx, %s port, address ",
dev->name, dev->base_addr, if_names[dev->if_port]);
}
/* Read in the station address. */
for (i = 0; i < 6; i++)
printk(" %2.2x", dev->dev_addr[i]);
printk(", IRQ %d.\n", dev->irq);
/* Make up a EL3-specific-data structure. */
if (dev->priv == NULL)
dev->priv = kmalloc(sizeof(struct el3_private), GFP_KERNEL);
if (dev->priv == NULL)
return -ENOMEM;
memset(dev->priv, 0, sizeof(struct el3_private));
((struct el3_private *)dev->priv)->next_dev = el3_root_dev;
el3_root_dev = dev;
if (el3_debug > 0)
printk(KERN_INFO "%s" KERN_INFO "%s", versionA, versionB);
/* The EL3-specific entries in the device structure. */
dev->open = &el3_open;
dev->hard_start_xmit = &el3_start_xmit;
dev->stop = &el3_close;
dev->get_stats = &el3_get_stats;
dev->set_multicast_list = &set_multicast_list;
/* Fill in the generic fields of the device structure. */
ether_setup(dev);
return 0;
}
/* Read a word from the EEPROM using the regular EEPROM access register.
Assume that we are in register window zero.
*/
static ushort read_eeprom(int ioaddr, int index)
{
outw(EEPROM_READ + index, ioaddr + 10);
/* Pause for at least 162 us. for the read to take place. */
udelay (500);
return inw(ioaddr + 12);
}
/* Read a word from the EEPROM when in the ISA ID probe state. */
static ushort id_read_eeprom(int index)
{
int bit, word = 0;
/* Issue read command, and pause for at least 162 us. for it to complete.
Assume extra-fast 16Mhz bus. */
outb(EEPROM_READ + index, id_port);
/* Pause for at least 162 us. for the read to take place. */
udelay (500);
for (bit = 15; bit >= 0; bit--)
word = (word << 1) + (inb(id_port) & 0x01);
if (el3_debug > 3)
printk(KERN_DEBUG " 3c509 EEPROM word %d %#4.4x.\n", index, word);
return word;
}
static int
el3_open(struct net_device *dev)
{
int ioaddr = dev->base_addr;
int i;
outw(TxReset, ioaddr + EL3_CMD);
outw(RxReset, ioaddr + EL3_CMD);
outw(SetStatusEnb | 0x00, ioaddr + EL3_CMD);
if (request_irq(dev->irq, &el3_interrupt, 0, dev->name, dev)) {
return -EAGAIN;
}
EL3WINDOW(0);
if (el3_debug > 3)
printk(KERN_DEBUG "%s: Opening, IRQ %d status@%x %4.4x.\n",
dev->name, dev->irq, ioaddr + EL3_STATUS,
inw(ioaddr + EL3_STATUS));
/* Activate board: this is probably unnecessary. */
outw(0x0001, ioaddr + 4);
/* Set the IRQ line. */
outw((dev->irq << 12) | 0x0f00, ioaddr + WN0_IRQ);
/* Set the station address in window 2 each time opened. */
EL3WINDOW(2);
for (i = 0; i < 6; i++)
outb(dev->dev_addr[i], ioaddr + i);
if (dev->if_port == 3)
/* Start the thinnet transceiver. We should really wait 50ms...*/
outw(StartCoax, ioaddr + EL3_CMD);
else if (dev->if_port == 0) {
/* 10baseT interface, enabled link beat and jabber check. */
EL3WINDOW(4);
outw(inw(ioaddr + WN4_MEDIA) | MEDIA_TP, ioaddr + WN4_MEDIA);
}
/* Switch to the stats window, and clear all stats by reading. */
outw(StatsDisable, ioaddr + EL3_CMD);
EL3WINDOW(6);
for (i = 0; i < 9; i++)
inb(ioaddr + i);
inw(ioaddr + 10);
inw(ioaddr + 12);
/* Switch to register set 1 for normal use. */
EL3WINDOW(1);
/* Accept b-case and phys addr only. */
outw(SetRxFilter | RxStation | RxBroadcast, ioaddr + EL3_CMD);
outw(StatsEnable, ioaddr + EL3_CMD); /* Turn on statistics. */
dev->interrupt = 0;
dev->tbusy = 0;
dev->start = 1;
outw(RxEnable, ioaddr + EL3_CMD); /* Enable the receiver. */
outw(TxEnable, ioaddr + EL3_CMD); /* Enable transmitter. */
/* Allow status bits to be seen. */
outw(SetStatusEnb | 0xff, ioaddr + EL3_CMD);
/* Ack all pending events, and set active indicator mask. */
outw(AckIntr | IntLatch | TxAvailable | RxEarly | IntReq,
ioaddr + EL3_CMD);
outw(SetIntrEnb | IntLatch|TxAvailable|TxComplete|RxComplete|StatsFull,
ioaddr + EL3_CMD);
if (el3_debug > 3)
printk(KERN_DEBUG "%s: Opened 3c509 IRQ %d status %4.4x.\n",
dev->name, dev->irq, inw(ioaddr + EL3_STATUS));
MOD_INC_USE_COUNT;
return 0; /* Always succeed */
}
static void el3_tx_timeout(struct net_device *dev)
{
struct el3_private *lp = (struct el3_private *)dev->priv;
int ioaddr = dev->base_addr;
ushort status = inw(ioaddr + EL3_STATUS);
printk(KERN_WARNING "%s: transmit timed out, Tx_status %2.2x status"
" %4.4x Tx FIFO room %d.\n",
dev->name, inb(ioaddr + TX_STATUS), inw(ioaddr + EL3_STATUS),
inw(ioaddr + TX_FREE));
if (status & 0x0001 /* IRQ line active, missed one. */
&& inw(ioaddr + EL3_STATUS) & 1) { /* Make sure. */
printk(KERN_ERR "%s: Missed interrupt, status then %04x now %04x"
" Tx %2.2x Rx %4.4x.\n", dev->name, status,
inw(ioaddr + EL3_STATUS), inb(ioaddr + TX_STATUS),
inw(ioaddr + RX_STATUS));
/* Fake interrupt trigger by masking, acknowledge interrupts. */
outw(SetStatusEnb | 0x00, ioaddr + EL3_CMD);
outw(AckIntr | IntLatch | TxAvailable | RxEarly | IntReq,
ioaddr + EL3_CMD);
outw(SetStatusEnb | 0xff, ioaddr + EL3_CMD);
}
lp->stats.tx_errors++;
dev->trans_start = jiffies;
/* Issue TX_RESET and TX_START commands. */
outw(TxReset, ioaddr + EL3_CMD);
outw(TxEnable, ioaddr + EL3_CMD);
dev->tbusy = 0;
}
static int el3_start_xmit(struct sk_buff *skb, struct net_device *dev)
{
struct el3_private *lp = (struct el3_private *)dev->priv;
int ioaddr = dev->base_addr;
if (test_and_set_bit(0, (void*)&dev->tbusy) != 0) {
if (jiffies - dev->trans_start >= TX_TIMEOUT)
el3_tx_timeout(dev);
return 1;
}
if (el3_debug > 4) {
printk(KERN_DEBUG "%s: el3_start_xmit(length %d), status %4.4x.\n",
dev->name, skb->len, (int)inw(ioaddr + EL3_STATUS));
}
#ifdef __SMP__
/* We don't want the another processor taking an interrupt to change the
window on us while we are putting out a packet.
But we also don't want to disable interrupts as that might
cause Rx problems. So we disable the only source of window changes
in an interrupt, the statistics update. */
outw(SetStatusEnb | (0xff - StatsFull), ioaddr + EL3_CMD);
#endif
/* Put out the doubleword header... */
outw(skb->len, ioaddr + TX_FIFO);
outw(0x00, ioaddr + TX_FIFO);
/* ... and the packet rounded to a doubleword. */
#ifdef __powerpc__
outsl_unswapped(ioaddr + TX_FIFO, skb->data, (skb->len + 3) >> 2);
#else
outsl(ioaddr + TX_FIFO, skb->data, (skb->len + 3) >> 2);
#endif
dev->trans_start = jiffies;
if (inw(ioaddr + TX_FREE) > 1536) {
dev->tbusy = 0;
} else
/* Interrupt us when the FIFO has room for max-sized packet. */
outw(SetTxThreshold + 1536, ioaddr + EL3_CMD);
/* Clear the Tx status stack. */
{
short tx_status;
int i = 4;
while (--i > 0 && (tx_status = inb(ioaddr + TX_STATUS)) > 0) {
if (tx_status & 0x38) lp->stats.tx_aborted_errors++;
if (tx_status & 0x30) outw(TxReset, ioaddr + EL3_CMD);
if (tx_status & 0x3C) outw(TxEnable, ioaddr + EL3_CMD);
outb(0x00, ioaddr + TX_STATUS); /* Pop the status stack. */
}
}
#ifdef __SMP__
outw(SetStatusEnb | 0xff, ioaddr + EL3_CMD);
#endif
dev_free_skb(skb);
return 0;
}
/* The EL3 interrupt handler. */
static void
el3_interrupt(int irq, void *dev_id, struct pt_regs *regs)
{
struct net_device *dev = dev_id;
int ioaddr, status;
int i = max_interrupt_work;
if (dev == NULL) {
printk(KERN_ERR "el3_interrupt(): irq %d for unknown device.\n", irq);
return;
}
if (dev->interrupt)
printk(KERN_ERR "%s: Re-entering the interrupt handler.\n", dev->name);
dev->interrupt = 1;
ioaddr = dev->base_addr;
status = inw(ioaddr + EL3_STATUS);
if (el3_debug > 4)
printk(KERN_DEBUG "%s: interrupt, status %4.4x.\n", dev->name, status);
while ((status = inw(ioaddr + EL3_STATUS)) &
(IntLatch | RxComplete | StatsFull)) {
if (status & RxComplete)
el3_rx(dev);
if (status & TxAvailable) {
if (el3_debug > 5)
printk(KERN_DEBUG " TX room bit was handled.\n");
/* There's room in the FIFO for a full-sized packet. */
outw(AckIntr | TxAvailable, ioaddr + EL3_CMD);
dev->tbusy = 0;
mark_bh(NET_BH);
}
if (status & (AdapterFailure | RxEarly | StatsFull | TxComplete)) {
/* Handle all uncommon interrupts. */
if (status & StatsFull) /* Empty statistics. */
update_stats(ioaddr, dev);
if (status & RxEarly) { /* Rx early is unused. */
el3_rx(dev);
outw(AckIntr | RxEarly, ioaddr + EL3_CMD);
}
if (status & TxComplete) { /* Really Tx error. */
struct el3_private *lp = (struct el3_private *)dev->priv;
short tx_status;
int i = 4;
while (--i>0 && (tx_status = inb(ioaddr + TX_STATUS)) > 0) {
if (tx_status & 0x38) lp->stats.tx_aborted_errors++;
if (tx_status & 0x30) outw(TxReset, ioaddr + EL3_CMD);
if (tx_status & 0x3C) outw(TxEnable, ioaddr + EL3_CMD);
outb(0x00, ioaddr + TX_STATUS); /* Pop the status stack. */
}
}
if (status & AdapterFailure) {
/* Adapter failure requires Rx reset and reinit. */
outw(RxReset, ioaddr + EL3_CMD);
/* Set the Rx filter to the current state. */
outw(SetRxFilter | RxStation | RxBroadcast
| (dev->flags & IFF_ALLMULTI ? RxMulticast : 0)
| (dev->flags & IFF_PROMISC ? RxProm : 0),
ioaddr + EL3_CMD);
outw(RxEnable, ioaddr + EL3_CMD); /* Re-enable the receiver. */
outw(AckIntr | AdapterFailure, ioaddr + EL3_CMD);
}
}
if (--i < 0) {
if (status == 0xffff)
printk(KERN_WARNING "%s: Card no long exists in I/O space.\n",
dev->name);
else
printk(KERN_WARNING "%s: Too much work in interrupt, status"
" %4.4ux.\n", dev->name, status);
/* Clear all interrupts. */
outw(AckIntr | 0xFF, ioaddr + EL3_CMD);
break;
}
/* Acknowledge the IRQ. */
outw(AckIntr | IntReq | IntLatch, ioaddr + EL3_CMD); /* Ack IRQ */
}
if (el3_debug > 4) {
printk(KERN_DEBUG "%s: exiting interrupt, status %4.4x.\n", dev->name,
inw(ioaddr + EL3_STATUS));
}
dev->interrupt = 0;
return;
}
static struct enet_statistics *
el3_get_stats(struct net_device *dev)
{
struct el3_private *lp = (struct el3_private *)dev->priv;
unsigned long flags;
/* Prevent an interrupt or other processor from seeing a bogus window. */
#ifdef __SMP__
spin_lock_irqsave(&lp->lock, flags);
update_stats(dev);
spin_unlock_irqrestore(&lp->lock, flags);
#else
save_flags(flags);
cli();
update_stats(dev->base_addr, dev);
restore_flags(flags);
#endif
return &lp->stats;
}
/* Update statistics. We change to register window 6, so this should be run
single-threaded if the device is active. This is expected to be a rare
operation, and it's simpler for the rest of the driver to assume that
window 1 is always valid rather than use a special window-state variable.
*/
static void update_stats(int ioaddr, struct net_device *dev)
{
struct el3_private *lp = (struct el3_private *)dev->priv;
if (el3_debug > 5)
printk(KERN_DEBUG " Updating the statistics.\n");
/* Turn off statistics updates while reading. */
outw(StatsDisable, ioaddr + EL3_CMD);
/* Switch to the stats window, and read everything. */
EL3WINDOW(6);
lp->stats.tx_carrier_errors += inb(ioaddr + 0);
lp->stats.tx_heartbeat_errors += inb(ioaddr + 1);
/* Multiple collisions. */ inb(ioaddr + 2);
lp->stats.collisions += inb(ioaddr + 3);
lp->stats.tx_window_errors += inb(ioaddr + 4);
lp->stats.rx_fifo_errors += inb(ioaddr + 5);
lp->stats.tx_packets += inb(ioaddr + 6);
/* Rx packets */ inb(ioaddr + 7);
/* Tx deferrals */ inb(ioaddr + 8);
#if LINUX_VERSION_CODE > 0x020119
lp->stats.rx_bytes += inw(ioaddr + 10);
lp->stats.tx_bytes += inw(ioaddr + 12);
#else
inw(ioaddr + 10);
inw(ioaddr + 12);
#endif
/* Back to window 1, and turn statistics back on. */
EL3WINDOW(1);
outw(StatsEnable, ioaddr + EL3_CMD);
return;
}
static int
el3_rx(struct net_device *dev)
{
struct el3_private *lp = (struct el3_private *)dev->priv;
int ioaddr = dev->base_addr;
short rx_status;
if (el3_debug > 5)
printk(KERN_DEBUG " In rx_packet(), status %4.4x, rx_status %4.4x.\n",
inw(ioaddr+EL3_STATUS), inw(ioaddr+RX_STATUS));
while ((rx_status = inw(ioaddr + RX_STATUS)) > 0) {
if (rx_status & 0x4000) { /* Error, update stats. */
short error = rx_status & 0x3800;
outw(RxDiscard, ioaddr + EL3_CMD);
lp->stats.rx_errors++;
switch (error) {
case 0x0000: lp->stats.rx_over_errors++; break;
case 0x0800: lp->stats.rx_length_errors++; break;
case 0x1000: lp->stats.rx_frame_errors++; break;
case 0x1800: lp->stats.rx_length_errors++; break;
case 0x2000: lp->stats.rx_frame_errors++; break;
case 0x2800: lp->stats.rx_crc_errors++; break;
}
} else {
short pkt_len = rx_status & 0x7ff;
struct sk_buff *skb;
skb = dev_alloc_skb(pkt_len+5);
if (el3_debug > 4)
printk(KERN_DEBUG "Receiving packet size %d status %4.4x.\n",
pkt_len, rx_status);
if (skb != NULL) {
skb->dev = dev;
skb_reserve(skb, 2); /* Align IP on 16 byte */
/* 'skb->data' points to the start of sk_buff data area. */
#ifdef __powerpc__
insl_unswapped(ioaddr+RX_FIFO, skb_put(skb,pkt_len),
(pkt_len + 3) >> 2);
#else
insl(ioaddr + RX_FIFO, skb_put(skb,pkt_len),
(pkt_len + 3) >> 2);
#endif
outw(RxDiscard, ioaddr + EL3_CMD); /* Pop top Rx packet. */
skb->protocol = eth_type_trans(skb,dev);
netif_rx(skb);
lp->stats.rx_packets++;
continue;
}
outw(RxDiscard, ioaddr + EL3_CMD);
lp->stats.rx_dropped++;
if (el3_debug)
printk(KERN_DEBUG "%s: Couldn't allocate a sk_buff of size %d.\n",
dev->name, pkt_len);
}
inw(ioaddr + EL3_STATUS); /* Delay. */
/* This should rarely be triggered. */
while (inw(ioaddr + EL3_STATUS) & 0x1000)
printk(KERN_DEBUG "%s: Waiting for 3c509 to discard packet, status %x.\n",
dev->name, inw(ioaddr + EL3_STATUS) );
}
return 0;
}
/*
* Set or clear the multicast filter for this adaptor.
*/
static void
set_multicast_list(struct net_device *dev)
{
int ioaddr = dev->base_addr;
if (el3_debug > 1) {
static int old = 0;
if (old != dev->mc_count) {
old = dev->mc_count;
printk(KERN_DEBUG "%s: Setting Rx mode to %d addresses.\n",
dev->name, dev->mc_count);
}
}
if (dev->flags&IFF_PROMISC) {
outw(SetRxFilter | RxStation | RxMulticast | RxBroadcast | RxProm,
ioaddr + EL3_CMD);
}
else if (dev->mc_count || (dev->flags&IFF_ALLMULTI)) {
outw(SetRxFilter | RxStation | RxMulticast | RxBroadcast, ioaddr + EL3_CMD);
}
else
outw(SetRxFilter | RxStation | RxBroadcast, ioaddr + EL3_CMD);
}
static int
el3_close(struct net_device *dev)
{
int ioaddr = dev->base_addr;
if (el3_debug > 2)
printk(KERN_DEBUG "%s: Shutting down ethercard.\n", dev->name);
dev->tbusy = 1;
dev->start = 0;
/* Turn off statistics ASAP. We update lp->stats below. */
outw(StatsDisable, ioaddr + EL3_CMD);
/* Disable the receiver and transmitter. */
outw(RxDisable, ioaddr + EL3_CMD);
outw(TxDisable, ioaddr + EL3_CMD);
if (dev->if_port == 3)
/* Turn off thinnet power. Green! */
outw(StopCoax, ioaddr + EL3_CMD);
else if (dev->if_port == 0) {
/* Disable link beat and jabber, if_port may change ere next open(). */
EL3WINDOW(4);
outw(inw(ioaddr + WN4_MEDIA) & ~MEDIA_TP, ioaddr + WN4_MEDIA);
}
free_irq(dev->irq, dev);
/* Switching back to window 0 disables the IRQ. */
EL3WINDOW(0);
/* But we explicitly zero the IRQ line select anyway. */
outw(0x0f00, ioaddr + WN0_IRQ);
update_stats(ioaddr, dev);
MOD_DEC_USE_COUNT;
return 0;
}
#ifdef MODULE
/* Parameters that may be passed into the module. */
#if defined(MODULE) && (LINUX_VERSION_CODE >= 0x20115)
MODULE_AUTHOR("Donald Becker <[EMAIL PROTECTED]>");
MODULE_DESCRIPTION("3Com EtherLink III (ISA, EISA and PCMCIA) series driver");
MODULE_PARM(max_interrupt_work, "i");
MODULE_PARM(id_port, "i");
MODULE_PARM(debug, "i");
MODULE_PARM(io, "1-" __MODULE_STRING(NUM_UNITS) "i");
MODULE_PARM(irq, "1-" __MODULE_STRING(NUM_UNITS) "i");
MODULE_PARM(xcvr, "1-" __MODULE_STRING(NUM_UNITS) "i");
#endif
int
init_module(void)
{
int el3_cards = 0;
el3_root_dev = NULL;
for( ; el3_cards < NUM_UNITS && io[el3_cards] >= 0x100; el3_cards++)
el3_probe1(0, io[el3_cards], irq[el3_cards], xcvr[el3_cards]);
while (el3_probe(0) == 0) {
if (irq[el3_cards] > 1)
el3_root_dev->irq = irq[el3_cards];
if (xcvr[el3_cards] >= 0)
el3_root_dev->if_port = xcvr[el3_cards];
el3_cards++;
}
return el3_cards ? 0 : -ENODEV;
}
void
cleanup_module(void)
{
struct net_device *next_dev;
/* No need to check MOD_IN_USE, as sys_delete_module() checks. */
while (el3_root_dev) {
next_dev = ((struct el3_private *)el3_root_dev->priv)->next_dev;
unregister_netdev(el3_root_dev);
release_region(el3_root_dev->base_addr, EL3_IO_EXTENT);
kfree(el3_root_dev);
el3_root_dev = next_dev;
}
}
#endif /* MODULE */
/*
* Local variables:
* compile-command: "gcc -DMODULE -D__KERNEL__ -Wall -Wstrict-prototypes -O6 -c 3c509.c"
* version-control: t
* kept-new-versions: 5
* c-indent-level: 4
* c-basic-offset: 4
* tab-width: 4
* End:
*/
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