#include <linux/crc32.h>
#include <linux/delay.h>
#include <linux/errno.h>
#include <linux/if_ether.h>
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/netdevice.h>
#include <linux/etherdevice.h>
#include <linux/spinlock.h>
#include <linux/stddef.h>
#include <linux/string.h>
#include <linux/tc.h>
#include <linux/types.h>
#include <asm/addrspace.h>
#include <asm/dec/interrupts.h>
#include <asm/dec/ioasic.h>
#include <asm/dec/ioasic_addrs.h>
#include <asm/dec/kn01.h>
#include <asm/dec/machtype.h>
#include <asm/dec/system.h>

Data Structures
struct	lance_rx_desc

struct	lance_tx_desc

struct	lance_init_block

struct	lance_private

struct	lance_regs

Macros
#define	__unused __attribute__ ((unused))

#define	ASIC_LANCE 1

#define	PMAD_LANCE 2

#define	PMAX_LANCE 3

#define	LE_CSR0 0

#define	LE_CSR1 1

#define	LE_CSR2 2

#define	LE_CSR3 3

#define	LE_MO_PROM 0x8000 /* Enable promiscuous mode */

#define	LE_C0_ERR 0x8000 /* Error: set if BAB, SQE, MISS or ME is set */

#define	LE_C0_BABL 0x4000 /* BAB: Babble: tx timeout. */

#define	LE_C0_CERR 0x2000 /* SQE: Signal quality error */

#define	LE_C0_MISS 0x1000 /* MISS: Missed a packet */

#define	LE_C0_MERR 0x0800 /* ME: Memory error */

#define	LE_C0_RINT 0x0400 /* Received interrupt */

#define	LE_C0_TINT 0x0200 /* Transmitter Interrupt */

#define	LE_C0_IDON 0x0100 /* IFIN: Init finished. */

#define	LE_C0_INTR 0x0080 /* Interrupt or error */

#define	LE_C0_INEA 0x0040 /* Interrupt enable */

#define	LE_C0_RXON 0x0020 /* Receiver on */

#define	LE_C0_TXON 0x0010 /* Transmitter on */

#define	LE_C0_TDMD 0x0008 /* Transmitter demand */

#define	LE_C0_STOP 0x0004 /* Stop the card */

#define	LE_C0_STRT 0x0002 /* Start the card */

#define	LE_C0_INIT 0x0001 /* Init the card */

#define	LE_C3_BSWP 0x4 /* SWAP */

#define	LE_C3_ACON 0x2 /* ALE Control */

#define	LE_C3_BCON 0x1 /* Byte control */

#define	LE_R1_OWN 0x8000 /* Who owns the entry */

#define	LE_R1_ERR 0x4000 /* Error: if FRA, OFL, CRC or BUF is set */

#define	LE_R1_FRA 0x2000 /* FRA: Frame error */

#define	LE_R1_OFL 0x1000 /* OFL: Frame overflow */

#define	LE_R1_CRC 0x0800 /* CRC error */

#define	LE_R1_BUF 0x0400 /* BUF: Buffer error */

#define	LE_R1_SOP 0x0200 /* Start of packet */

#define	LE_R1_EOP 0x0100 /* End of packet */

#define	LE_R1_POK 0x0300 /* Packet is complete: SOP + EOP */

#define	LE_T1_OWN 0x8000 /* Lance owns the packet */

#define	LE_T1_ERR 0x4000 /* Error summary */

#define	LE_T1_EMORE 0x1000 /* Error: more than one retry needed */

#define	LE_T1_EONE 0x0800 /* Error: one retry needed */

#define	LE_T1_EDEF 0x0400 /* Error: deferred */

#define	LE_T1_SOP 0x0200 /* Start of packet */

#define	LE_T1_EOP 0x0100 /* End of packet */

#define	LE_T1_POK 0x0300 /* Packet is complete: SOP + EOP */

#define	LE_T3_BUF 0x8000 /* Buffer error */

#define	LE_T3_UFL 0x4000 /* Error underflow */

#define	LE_T3_LCOL 0x1000 /* Error late collision */

#define	LE_T3_CLOS 0x0800 /* Error carrier loss */

#define	LE_T3_RTY 0x0400 /* Error retry */

#define	LE_T3_TDR 0x03ff /* Time Domain Reflectometry counter */

#define	LANCE_LOG_TX_BUFFERS 4

#define	LANCE_LOG_RX_BUFFERS 4

#define	TX_RING_SIZE (1 << (LANCE_LOG_TX_BUFFERS))

#define	TX_RING_MOD_MASK (TX_RING_SIZE - 1)

#define	RX_RING_SIZE (1 << (LANCE_LOG_RX_BUFFERS))

#define	RX_RING_MOD_MASK (RX_RING_SIZE - 1)

#define	PKT_BUF_SZ 1536

#define	RX_BUFF_SIZE PKT_BUF_SZ

#define	TX_BUFF_SIZE PKT_BUF_SZ

#define	ZERO 0

#define	BUF_OFFSET_CPU sizeof(struct lance_init_block)

#define	BUF_OFFSET_LNC sizeof(struct lance_init_block)

#define	shift_off(off, type) (type == ASIC_LANCE \|\| type == PMAX_LANCE ? off << 1 : off)

#define	lib_off(rt, type) shift_off(offsetof(struct lance_init_block, rt), type)

#define	lib_ptr(ib, rt, type) ((volatile u16 )((u8 )(ib) + lib_off(rt, type)))

#define	rds_off(rt, type) shift_off(offsetof(struct lance_rx_desc, rt), type)

#define	rds_ptr(rd, rt, type) ((volatile u16 )((u8 )(rd) + rds_off(rt, type)))

#define	tds_off(rt, type) shift_off(offsetof(struct lance_tx_desc, rt), type)

#define	tds_ptr(td, rt, type) ((volatile u16 )((u8 )(td) + tds_off(rt, type)))

#define	TX_BUFFS_AVAIL

Functions
	MODULE_AUTHOR ("Linux MIPS DECstation task force")

	MODULE_DESCRIPTION ("DEC LANCE (DECstation onboard, PMAD-xx) driver")

	MODULE_LICENSE ("GPL")

	module_init (dec_lance_init)

	module_exit (dec_lance_exit)

Variables
int	dec_lance_debug = 2

Macro Definition Documentation

#define __unused __attribute__ ((unused))

Definition at line 82 of file declance.c.

#define ASIC_LANCE 1

Definition at line 87 of file declance.c.

#define BUF_OFFSET_CPU sizeof(struct lance_init_block)

Definition at line 225 of file declance.c.

#define BUF_OFFSET_LNC sizeof(struct lance_init_block)

Definition at line 226 of file declance.c.

#define LANCE_LOG_RX_BUFFERS 4

Definition at line 152 of file declance.c.

#define LANCE_LOG_TX_BUFFERS 4

Definition at line 151 of file declance.c.

#define LE_C0_BABL 0x4000 /* BAB: Babble: tx timeout. */

Definition at line 100 of file declance.c.

#define LE_C0_CERR 0x2000 /* SQE: Signal quality error */

Definition at line 101 of file declance.c.

#define LE_C0_ERR 0x8000 /* Error: set if BAB, SQE, MISS or ME is set */

Definition at line 99 of file declance.c.

#define LE_C0_IDON 0x0100 /* IFIN: Init finished. */

Definition at line 106 of file declance.c.

#define LE_C0_INEA 0x0040 /* Interrupt enable */

Definition at line 108 of file declance.c.

#define LE_C0_INIT 0x0001 /* Init the card */

Definition at line 114 of file declance.c.

#define LE_C0_INTR 0x0080 /* Interrupt or error */

Definition at line 107 of file declance.c.

#define LE_C0_MERR 0x0800 /* ME: Memory error */

Definition at line 103 of file declance.c.

#define LE_C0_MISS 0x1000 /* MISS: Missed a packet */

Definition at line 102 of file declance.c.

#define LE_C0_RINT 0x0400 /* Received interrupt */

Definition at line 104 of file declance.c.

#define LE_C0_RXON 0x0020 /* Receiver on */

Definition at line 109 of file declance.c.

#define LE_C0_STOP 0x0004 /* Stop the card */

Definition at line 112 of file declance.c.

#define LE_C0_STRT 0x0002 /* Start the card */

Definition at line 113 of file declance.c.

#define LE_C0_TDMD 0x0008 /* Transmitter demand */

Definition at line 111 of file declance.c.

#define LE_C0_TINT 0x0200 /* Transmitter Interrupt */

Definition at line 105 of file declance.c.

#define LE_C0_TXON 0x0010 /* Transmitter on */

Definition at line 110 of file declance.c.

#define LE_C3_ACON 0x2 /* ALE Control */

Definition at line 117 of file declance.c.

#define LE_C3_BCON 0x1 /* Byte control */

Definition at line 118 of file declance.c.

#define LE_C3_BSWP 0x4 /* SWAP */

Definition at line 116 of file declance.c.

#define LE_CSR0 0

Definition at line 92 of file declance.c.

#define LE_CSR1 1

Definition at line 93 of file declance.c.

#define LE_CSR2 2

Definition at line 94 of file declance.c.

#define LE_CSR3 3

Definition at line 95 of file declance.c.

#define LE_MO_PROM 0x8000 /* Enable promiscuous mode */

Definition at line 97 of file declance.c.

#define LE_R1_BUF 0x0400 /* BUF: Buffer error */

Definition at line 126 of file declance.c.

#define LE_R1_CRC 0x0800 /* CRC error */

Definition at line 125 of file declance.c.

#define LE_R1_EOP 0x0100 /* End of packet */

Definition at line 128 of file declance.c.

#define LE_R1_ERR 0x4000 /* Error: if FRA, OFL, CRC or BUF is set */

Definition at line 122 of file declance.c.

#define LE_R1_FRA 0x2000 /* FRA: Frame error */

Definition at line 123 of file declance.c.

#define LE_R1_OFL 0x1000 /* OFL: Frame overflow */

Definition at line 124 of file declance.c.

#define LE_R1_OWN 0x8000 /* Who owns the entry */

Definition at line 121 of file declance.c.

#define LE_R1_POK 0x0300 /* Packet is complete: SOP + EOP */

Definition at line 129 of file declance.c.

#define LE_R1_SOP 0x0200 /* Start of packet */

Definition at line 127 of file declance.c.

#define LE_T1_EDEF 0x0400 /* Error: deferred */

Definition at line 136 of file declance.c.

#define LE_T1_EMORE 0x1000 /* Error: more than one retry needed */

Definition at line 134 of file declance.c.

#define LE_T1_EONE 0x0800 /* Error: one retry needed */

Definition at line 135 of file declance.c.

#define LE_T1_EOP 0x0100 /* End of packet */

Definition at line 138 of file declance.c.

#define LE_T1_ERR 0x4000 /* Error summary */

Definition at line 133 of file declance.c.

#define LE_T1_OWN 0x8000 /* Lance owns the packet */

Definition at line 132 of file declance.c.

#define LE_T1_POK 0x0300 /* Packet is complete: SOP + EOP */

Definition at line 139 of file declance.c.

#define LE_T1_SOP 0x0200 /* Start of packet */

Definition at line 137 of file declance.c.

#define LE_T3_BUF 0x8000 /* Buffer error */

Definition at line 141 of file declance.c.

#define LE_T3_CLOS 0x0800 /* Error carrier loss */

Definition at line 144 of file declance.c.

#define LE_T3_LCOL 0x1000 /* Error late collision */

Definition at line 143 of file declance.c.

#define LE_T3_RTY 0x0400 /* Error retry */

Definition at line 145 of file declance.c.

#define LE_T3_TDR 0x03ff /* Time Domain Reflectometry counter */

Definition at line 146 of file declance.c.

#define LE_T3_UFL 0x4000 /* Error underflow */

Definition at line 142 of file declance.c.

#define lib_off	(	rt,
		type
	)	shift_off(offsetof(struct lance_init_block, rt), type)

Definition at line 231 of file declance.c.

#define lib_ptr	(	ib,
		rt,
		type
	)	((volatile u16 )((u8 )(ib) + lib_off(rt, type)))

Definition at line 234 of file declance.c.

#define PKT_BUF_SZ 1536

Definition at line 161 of file declance.c.

#define PMAD_LANCE 2

Definition at line 88 of file declance.c.

#define PMAX_LANCE 3

Definition at line 89 of file declance.c.

#define rds_off	(	rt,
		type
	)	shift_off(offsetof(struct lance_rx_desc, rt), type)

Definition at line 237 of file declance.c.

#define rds_ptr	(	rd,
		rt,
		type
	)	((volatile u16 )((u8 )(rd) + rds_off(rt, type)))

Definition at line 240 of file declance.c.

#define RX_BUFF_SIZE PKT_BUF_SZ

Definition at line 162 of file declance.c.

#define RX_RING_MOD_MASK (RX_RING_SIZE - 1)

Definition at line 159 of file declance.c.

#define RX_RING_SIZE (1 << (LANCE_LOG_RX_BUFFERS))

Definition at line 158 of file declance.c.

#define shift_off	(	off,
		type
	)	(type == ASIC_LANCE \|\| type == PMAX_LANCE ? off << 1 : off)

Definition at line 228 of file declance.c.

#define tds_off	(	rt,
		type
	)	shift_off(offsetof(struct lance_tx_desc, rt), type)

Definition at line 243 of file declance.c.

#define tds_ptr	(	td,
		rt,
		type
	)	((volatile u16 )((u8 )(td) + tds_off(rt, type)))

Definition at line 246 of file declance.c.

#define TX_BUFF_SIZE PKT_BUF_SZ

Definition at line 163 of file declance.c.

#define TX_BUFFS_AVAIL

Value:

((lp->tx_old<=lp->tx_new)?\
            lp->tx_old+TX_RING_MOD_MASK-lp->tx_new:\
            lp->tx_old - lp->tx_new-1)

Definition at line 273 of file declance.c.

#define TX_RING_MOD_MASK (TX_RING_SIZE - 1)

Definition at line 156 of file declance.c.

#define TX_RING_SIZE (1 << (LANCE_LOG_TX_BUFFERS))

Definition at line 155 of file declance.c.

#define ZERO 0

Definition at line 166 of file declance.c.

Function Documentation

MODULE_AUTHOR ( "Linux MIPS DECstation task force" )

MODULE_DESCRIPTION ( "DEC LANCE (DECstation onboard, PMAD-xx) driver" )

module_exit ( dec_lance_exit )

module_init ( dec_lance_init )

MODULE_LICENSE ( "GPL" )

Variable Documentation

int dec_lance_debug = 2

Definition at line 289 of file declance.c.

Data Structures

Macros

Functions

Variables

Macro Definition Documentation

Function Documentation

Variable Documentation