mirror of
https://git.FreeBSD.org/src.git
synced 2024-12-21 11:13:30 +00:00
79 lines
3.1 KiB
C
79 lines
3.1 KiB
C
/* Copyright (c) 1994, Matthew E. Kimmel. Permission is hereby granted
|
|
* to use, copy, modify and distribute this software provided that both
|
|
* the copyright notice and this permission notice appear in all copies
|
|
* of the software, derivative works or modified versions, and any
|
|
* portions thereof.
|
|
*
|
|
* $Id: if_elreg.h,v 1.2 1994/08/02 07:39:34 davidg Exp $
|
|
*/
|
|
/* 3COM Etherlink 3C501 Register Definitions */
|
|
|
|
/* I/O Ports */
|
|
#define EL_RXS 0x6 /* Receive status register */
|
|
#define EL_RXC 0x6 /* Receive command register */
|
|
#define EL_TXS 0x7 /* Transmit status register */
|
|
#define EL_TXC 0x7 /* Transmit command register */
|
|
#define EL_GPBL 0x8 /* GP buffer ptr low byte */
|
|
#define EL_GPBH 0x9 /* GP buffer ptr high byte */
|
|
#define EL_RBL 0xa /* Receive buffer ptr low byte */
|
|
#define EL_RBC 0xa /* Receive buffer clear */
|
|
#define EL_RBH 0xb /* Receive buffer ptr high byte */
|
|
#define EL_EAW 0xc /* Ethernet address window */
|
|
#define EL_AS 0xe /* Auxiliary status register */
|
|
#define EL_AC 0xe /* Auxiliary command register */
|
|
#define EL_BUF 0xf /* Data buffer */
|
|
|
|
/* Receive status register bits */
|
|
#define EL_RXS_OFLOW 0x01 /* Overflow error */
|
|
#define EL_RXS_FCS 0x02 /* FCS error */
|
|
#define EL_RXS_DRIB 0x04 /* Dribble error */
|
|
#define EL_RXS_SHORT 0x08 /* Short frame */
|
|
#define EL_RXS_NOFLOW 0x10 /* No overflow */
|
|
#define EL_RXS_GOOD 0x20 /* Received good frame */
|
|
#define EL_RXS_STALE 0x80 /* Stale receive status */
|
|
|
|
/* Receive command register bits */
|
|
#define EL_RXC_DISABLE 0x00 /* Receiver disabled */
|
|
#define EL_RXC_DOFLOW 0x01 /* Detect overflow */
|
|
#define EL_RXC_DFCS 0x02 /* Detect FCS errs */
|
|
#define EL_RXC_DDRIB 0x04 /* Detect dribble errors */
|
|
#define EL_RXC_DSHORT 0x08 /* Detect short frames */
|
|
#define EL_RXC_DNOFLOW 0x10 /* Detect frames w/o overflow ??? */
|
|
#define EL_RXC_AGF 0x20 /* Accept Good Frames */
|
|
#define EL_RXC_PROMISC 0x40 /* Promiscuous mode */
|
|
#define EL_RXC_ABROAD 0x80 /* Accept address, broadcast */
|
|
#define EL_RXC_AMULTI 0xc0 /* Accept address, multicast */
|
|
|
|
/* Transmit status register bits */
|
|
#define EL_TXS_UFLOW 0x01 /* Underflow */
|
|
#define EL_TXS_COLL 0x02 /* Collision */
|
|
#define EL_TXS_COLL16 0x04 /* Collision 16 */
|
|
#define EL_TXS_READY 0x08 /* Ready for new frame */
|
|
|
|
/* Transmit command register bits */
|
|
#define EL_TXC_DUFLOW 0x01 /* Detect underflow */
|
|
#define EL_TXC_DCOLL 0x02 /* Detect collisions */
|
|
#define EL_TXC_DCOLL16 0x04 /* Detect collision 16 */
|
|
#define EL_TXC_DSUCCESS 0x08 /* Detect success */
|
|
|
|
/* Auxiliary status register bits */
|
|
#define EL_AS_RXBUSY 0x01 /* Receive busy */
|
|
#define EL_AS_DMADONE 0x10 /* DMA finished */
|
|
#define EL_AS_TXBUSY 0x80 /* Transmit busy */
|
|
|
|
/* Auxiliary command register bits */
|
|
#define EL_AC_HOST 0x00 /* System bus can access buffer */
|
|
#define EL_AC_IRQE 0x01 /* IRQ enable */
|
|
#define EL_AC_TXBAD 0x02 /* Transmit frames with bad FCS */
|
|
#define EL_AC_TXFRX 0x04 /* Transmit followed by receive */
|
|
#define EL_AC_RX 0x08 /* Receive */
|
|
#define EL_AC_LB 0x0c /* Loopback */
|
|
#define EL_AC_DRQ 0x20 /* DMA request */
|
|
#define EL_AC_RIDE 0x40 /* DRQ and IRQ enabled */
|
|
#define EL_AC_RESET 0x80 /* Reset */
|
|
|
|
/* Packet buffer size */
|
|
#define EL_BUFSIZ 2048
|
|
|
|
#define ETHER_ADDR_LEN 6
|