<commit_before>/*
	Written 1998-2000 by <NAME>.

	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 <EMAIL>, or C/O
	Scyld Computing Corporation
	410 Severn Ave., Suite 210
	Annapolis MD 21403

	Support information and updates available at
	http://www.scyld.com/network/pci-skeleton.html

	Linux kernel updates:

	Version 2.51, Nov 17, 2001 (jgarzik):
	- Add ethtool support
	- Replace some MII-related magic numbers with constants

*/

#define DRV_NAME	"fealnx"
#define DRV_VERSION	"2.52"
#define DRV_RELDATE	"Sep-11-2006"

static int debug;		/* 1-> print debug message */
static int max_interrupt_work = 20;

/* Maximum number of multicast addresses to filter (vs. Rx-all-multicast). */
static int multicast_filter_limit = 32;

/* Set the copy breakpoint for the copy-only-tiny-frames scheme. */
/* Setting to > 1518 effectively disables this feature.          */
static int rx_copybreak;

/* Used to pass the media type, etc.                            */
/* Both 'options[]' and 'full_duplex[]' should exist for driver */
/* interoperability.                                            */
/* The media type is usually passed in 'options[]'.             */
#define MAX_UNITS 8		/* More are supported, limit only on options */
static int options[MAX_UNITS] = { -1, -1, -1, -1, -1, -1, -1, -1 };
static int full_duplex[MAX_UNITS] = { -1, -1, -1, -1, -1, -1, -1, -1 };

/* Operational parameters that are set at compile time.                 */
/* Keep the ring sizes a power of two for compile efficiency.           */
/* The compiler will convert <unsigned>'%'<2^N> into a bit mask.        */
/* Making the Tx ring too large decreases the effectiveness of channel  */
/* bonding and packet priority.                                         */
/* There are no ill effects from too-large receive rings.               */
// 88-12-9 modify,
// #define TX_RING_SIZE    16
// #define RX_RING_SIZE    32
#define TX_RING_SIZE    6
#define RX_RING_SIZE    12
#define TX_TOTAL_SIZE	TX_RING_SIZE*sizeof(struct fealnx_desc)
#define RX_TOTAL_SIZE	RX_RING_SIZE*sizeof(struct fealnx_desc)

/* Operational parameters that usually are not changed. */
/* Time in jiffies before concluding the transmitter is hung. */
#define TX_TIMEOUT      (2*HZ)

#define PKT_BUF_SZ      1536	/* Size of each temporary Rx buffer. */


/* Include files, designed to support most kernel versions 2.0.0 and later. */
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/string.h>
#include <linux/timer.h>
#include <linux/errno.h>
#include <linux/ioport.h>
#include <linux/slab.h>
#include <linux/interrupt.h>
#include <linux/pci.h>
#include <linux/netdevice.h>
#include <linux/etherdevice.h>
#include <linux/skbuff.h>
#include <linux/init.h>
#include <linux/mii.h>
#include <linux/ethtool.h>
#include <linux/crc32.h>
#include <linux/delay.h>
#include <linux/bitops.h>

#include <asm/processor.h>	/* Processor type for cache alignment. */
#include <asm/io.h>
#include <asm/uaccess.h>

/* These identify the driver base version and may not be removed. */
static char version[] =
KERN_INFO DRV_NAME ".c:v" DRV_VERSION " " DRV_RELDATE "\n";


/* This driver was written to use PCI memory space, however some x86 systems
   work only with I/O space accesses. */
#ifndef __alpha__
#define USE_IO_OPS
#endif

/* Kernel compatibility defines, some common to David Hinds' PCMCIA package. */
/* This is only in the support-all-kernels source code. */

#define RUN_AT(x) (jiffies + (x))

MODULE_AUTHOR("Myson or whoever");
MODULE_DESCRIPTION("Myson MTD-8xx 100/10M Ethernet PCI Adapter Driver");
MODULE_LICENSE("GPL");
module_param(max_interrupt_work, int, 0);
//MODULE_PARM(min_pci_latency, "i");
module_param(debug, int, 0);
module_param(rx_copybreak, int, 0);
module_param(multicast_filter_limit, int, 0);
module_param_array(options, int, NULL, 0);
module_param_array(full_duplex, int, NULL, 0);
MODULE_PARM_DESC(max_interrupt_work, "fealnx maximum events handled per interrupt");
MODULE_PARM_DESC(debug, "fealnx enable debugging (0-1)");
MODULE_PARM_DESC(rx_copybreak, "fealnx copy breakpoint for copy-only-tiny-frames");
MODULE_PARM_DESC(multicast_filter_limit, "fealnx maximum number of filtered multicast addresses");
MODULE_PARM_DESC(options, "fealnx: Bits 0-3: media type, bit 17: full duplex");
MODULE_PARM_DESC(full_duplex, "fealnx full duplex setting(s) (1)");

enum {
	MIN_REGION_SIZE		= 136,
};

/* A chip capabilities table, matching the entries in pci_tbl[] above. */
enum chip_capability_flags {
	HAS_MII_XCVR,<commit_msg>Remove long-dead commented-out MODULE_PARM reference.<commit_after>/*
	Written 1998-2000 by <NAME>.

	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 <EMAIL>, or C/O
	Scyld Computing Corporation
	410 Severn Ave., Suite 210
	Annapolis MD 21403

	Support information and updates available at
	http://www.scyld.com/network/pci-skeleton.html

	Linux kernel updates:

	Version 2.51, Nov 17, 2001 (jgarzik):
	- Add ethtool support
	- Replace some MII-related magic numbers with constants

*/

#define DRV_NAME	"fealnx"
#define DRV_VERSION	"2.52"
#define DRV_RELDATE	"Sep-11-2006"

static int debug;		/* 1-> print debug message */
static int max_interrupt_work = 20;

/* Maximum number of multicast addresses to filter (vs. Rx-all-multicast). */
static int multicast_filter_limit = 32;

/* Set the copy breakpoint for the copy-only-tiny-frames scheme. */
/* Setting to > 1518 effectively disables this feature.          */
static int rx_copybreak;

/* Used to pass the media type, etc.                            */
/* Both 'options[]' and 'full_duplex[]' should exist for driver */
/* interoperability.                                            */
/* The media type is usually passed in 'options[]'.             */
#define MAX_UNITS 8		/* More are supported, limit only on options */
static int options[MAX_UNITS] = { -1, -1, -1, -1, -1, -1, -1, -1 };
static int full_duplex[MAX_UNITS] = { -1, -1, -1, -1, -1, -1, -1, -1 };

/* Operational parameters that are set at compile time.                 */
/* Keep the ring sizes a power of two for compile efficiency.           */
/* The compiler will convert <unsigned>'%'<2^N> into a bit mask.        */
/* Making the Tx ring too large decreases the effectiveness of channel  */
/* bonding and packet priority.                                         */
/* There are no ill effects from too-large receive rings.               */
// 88-12-9 modify,
// #define TX_RING_SIZE    16
// #define RX_RING_SIZE    32
#define TX_RING_SIZE    6
#define RX_RING_SIZE    12
#define TX_TOTAL_SIZE	TX_RING_SIZE*sizeof(struct fealnx_desc)
#define RX_TOTAL_SIZE	RX_RING_SIZE*sizeof(struct fealnx_desc)

/* Operational parameters that usually are not changed. */
/* Time in jiffies before concluding the transmitter is hung. */
#define TX_TIMEOUT      (2*HZ)

#define PKT_BUF_SZ      1536	/* Size of each temporary Rx buffer. */


/* Include files, designed to support most kernel versions 2.0.0 and later. */
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/string.h>
#include <linux/timer.h>
#include <linux/errno.h>
#include <linux/ioport.h>
#include <linux/slab.h>
#include <linux/interrupt.h>
#include <linux/pci.h>
#include <linux/netdevice.h>
#include <linux/etherdevice.h>
#include <linux/skbuff.h>
#include <linux/init.h>
#include <linux/mii.h>
#include <linux/ethtool.h>
#include <linux/crc32.h>
#include <linux/delay.h>
#include <linux/bitops.h>

#include <asm/processor.h>	/* Processor type for cache alignment. */
#include <asm/io.h>
#include <asm/uaccess.h>

/* These identify the driver base version and may not be removed. */
static char version[] =
KERN_INFO DRV_NAME ".c:v" DRV_VERSION " " DRV_RELDATE "\n";


/* This driver was written to use PCI memory space, however some x86 systems
   work only with I/O space accesses. */
#ifndef __alpha__
#define USE_IO_OPS
#endif

/* Kernel compatibility defines, some common to David Hinds' PCMCIA package. */
/* This is only in the support-all-kernels source code. */

#define RUN_AT(x) (jiffies + (x))

MODULE_AUTHOR("Myson or whoever");
MODULE_DESCRIPTION("Myson MTD-8xx 100/10M Ethernet PCI Adapter Driver");
MODULE_LICENSE("GPL");
module_param(max_interrupt_work, int, 0);
module_param(debug, int, 0);
module_param(rx_copybreak, int, 0);
module_param(multicast_filter_limit, int, 0);
module_param_array(options, int, NULL, 0);
module_param_array(full_duplex, int, NULL, 0);
MODULE_PARM_DESC(max_interrupt_work, "fealnx maximum events handled per interrupt");
MODULE_PARM_DESC(debug, "fealnx enable debugging (0-1)");
MODULE_PARM_DESC(rx_copybreak, "fealnx copy breakpoint for copy-only-tiny-frames");
MODULE_PARM_DESC(multicast_filter_limit, "fealnx maximum number of filtered multicast addresses");
MODULE_PARM_DESC(options, "fealnx: Bits 0-3: media type, bit 17: full duplex");
MODULE_PARM_DESC(full_duplex, "fealnx full duplex setting(s) (1)");

enum {
	MIN_REGION_SIZE		= 136,
};

/* A chip capabilities table, matching the entries in pci_tbl[] above. */
enum chip_capability_flags {
	HAS_MII_XCVR,
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