/* * Copyright (c) 1982, 1986 Regents of the University of California. * All rights reserved. * * This code is derived from software contributed to Berkeley by * Excelan Inc. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright *    notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright *    notice, this list of conditions and the following disclaimer in the *    documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software *    must display the following acknowledgement: *	This product includes software developed by the University of *	California, Berkeley and its contributors. * 4. Neither the name of the University nor the names of its contributors *    may be used to endorse or promote products derived from this software *    without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * *	@(#)if_exreg.h	7.3 (Berkeley) 6/28/90 */struct	exdevice {	char	xd_porta;	/* write on porta resets EXOS */	char	xd_pad_a;	char	xd_portb;	/* write on portb interrupts EXOS */				/* read on portb returns status bits */	char	xd_pad_b;};/* EXOS I/O PORT A write definitions */#define	EX_RESET	0	/* value doesn't really matter... *//* EXOS I/O PORT B write definitions */#define	EX_NTRUPT	0/* EXOS I/O PORT B read definitions */#define	EX_TESTOK	1	/* set when self-diagnostics passed */#define	EX_UNREADY	(1<<3)	/* set until EXOS ready to read from B *//* message buffer status field definitions */#define	MH_OWNER	1	/* mask for status bit for owner */#define	MH_HOST		0	/* if 0, the host owns the buffer */#define	MH_EXOS		1	/* if 1, the EXOS owns the buffer *//* EXOS Link Level request codes */#define	LLTRANSMIT	0xC	/* send a packet */#define	LLRTRANSMIT	0xE	/* send a packet, and self-receive */#define	LLRECEIVE	0xD	/* receive a packet */#define	LLNET_MODE	0x8	/* read/write mode control objects */#define	LLNET_ADDRS	0x9	/* read/write receive address slots */#define	LLNET_RECV	0xA	/* read/alter receive slot enable bit */#define	LLNET_STSTCS	0xB	/* read/reset network statistics objects *//* Link Level return codes common to all requests */#define	LL_OK		0	/* successful completion */#define	LLX_MODE	0xA1	/* EXOS not in link level mode (impossible) *//* LLTRANSMIT unique return codes */#define	LLXM_1RTRY	0x1	/* successful xmission, 1 retry */#define	LLXM_RTRYS	0x2	/* successful xmission, more than 1 retry */#define	LLXM_NSQE	0x8	/* successful xmission, no SQE TEST signal */#define	LLXM_CLSN	0x10	/* xmission failed, excess retries */#define	LLXM_NCS	0x20	/* xmission failed, no carrier sense */#define	LLXM_LNGTH	0x40	/* xmission failed, bad packet length */#define	XMIT_BITS	"\7\7LENGTH\6CARRIER\5XCLSNS\4SQETST"#define	LLXM_ERROR	(LLXM_NSQE|LLXM_CLSN|LLXM_NCS|LLXM_LNGTH)/* LLRECEIVE unique return codes */#define	LLRC_TRUNC	0x4	/* pkt received, but truncated to fit buffer */#define	LLRC_ALIGN	0x10	/* pkt received, but with alignment error */#define	LLRC_CRC	0x20	/* pkt received, but with CRC error */#define	LLRC_BUFLEN	0x40	/* no pkt received, buffer less than 64 bytes */				/* this should never happen here */#define	RECV_BITS	"\7\7BUFLEN\6CRC\5ALIGN\3TRUNC"/* LLNET_ADDRS unique return codes */#define	LLNA_BADSLOT	0xD1	/* slot doesn't exist or can't be accessed */#define	LLNA_BADADDR	0xD3	/* invalid address for designated slot *//* LLNET_RECV unique return codes */#define	LLNR_BADSLOT	0xD1	/* slot doesn't exist or can't be accessed */#define	LLNR_BADADDR	0xD2	/* designated slot was empty *//* address slot object indices */#define	NULLSLOT	0	/* the null slot */#define	MINMCSLOT	1	/* minimum multicast slot index */#define	MAXMCSLOT	8	/* default maximum multicast slot index */#define	PHYSSLOT	253	/* physical slot index */#define	UNVRSSLOT	254	/* universal slot index */#define	BROADSLOT	255	/* broadcast slot index *//* request mask bit definitions */#define	WRITE_OBJ	1	/* write the object */#define	READ_OBJ	2	/* read the object */#define	ENABLE_RCV	4	/* enable reception on designated slot *//* NET_MODE options mask bit definitions */#define	OPT_ALIGN	0x10	/* receive packets with alignment errors */#define	OPT_CRC		0x20	/* receive packets with CRC errors */#define	OPT_DSABLE	0x80	/* disconnect controller hardware *//* NET_MODE mode field value definitions */#define	MODE_OFF	0	/* stop transmission and reception */#define	MODE_PERF	1	/* perfect multicast address filtering */#define	MODE_HW		2	/* hardware-only multicast address filtering */#define	MODE_PROM	3	/* promiscuous reception */#define	NFRAGMENTS 1	/* number fragments that the EXOS will scatter/gather */#define	EXMAXRBUF 1520	/* per EXOS 101 manual 5.3.7 (maybe 1518 would do) *//* * N.B.  Structures below are carefully constructed so that * they correspond to the message formats that NX firmware * defines.  None of them should contain any compiler-instigated * padding.  Be especially careful about VAX C longword alignment! */struct	stat_array {	u_long	sa_fsent;	/* frames sent without errors */	u_long	sa_xsclsn;	/* frames aborted excess collisions */	u_long	sa_nsqe;	/* frames subject to heartbeat failure */	u_long	sa_undef;	/* undefined (TDR on EXOS 101) */	u_long	sa_frcvd;	/* frames received no errors */	u_long	sa_align;	/* frames received alignment error */	u_long	sa_crc;		/* frames received crc error */	u_long	sa_flost;	/* frames lost */};struct	buf_blk {		/* packet/buffer block descriptor */	u_short	bb_len;			/* length of block, in bytes */	u_short	bb_addr[2];		/* address of block */	/*	 * Array above is really a single u_long field.	 * We kludge its definition to defeat word-alignment.	 * Access would look like:	 *     longaddr = *(u_long *)bp->.mb_er.er_blks[0].bb_addr;	 */};struct	net_mode {		/* read/write mode control objects *//*12*/	u_char	nm_rqst;	/* request code *//*13*/	u_char	nm_rply;	/* reply code *//*14*/	u_char	nm_mask;		/* bit-wise switches for read, write *//*15*/	u_char	nm_optn;		/* acceptable packet reception errors *//*16*/	u_char	nm_mode;		/* EXOS filtering mode *//*17*/};struct	net_addrs {		/* read/write receive address slots *//*12*/	u_char	na_rqst;	/* request code *//*13*/	u_char	na_rply;	/* reply code *//*14*/	u_char	na_mask;		/* bit-wise switches for read, write *//*15*/	u_char	na_slot;		/* index of address slot *//*16*/	u_char	na_addrs[6];		/* address read and/or written *//*22*/};struct	net_recv {		/* read/alter receive slot enable bit *//*12*/	u_char	nr_rqst;	/* request code *//*13*/	u_char	nr_rply;	/* reply code *//*14*/	u_char	nr_mask;		/* bit-wise switches for read, write *//*15*/	u_char	nr_slot;		/* index of address slot *//*16*/};struct	net_ststcs {		/* read/reset network statistics objects *//*12*/	u_char	ns_rqst;	/* request code *//*13*/	u_char	ns_rply;	/* reply code *//*14*/	u_char	ns_mask;		/* bit-wise switches for read, write *//*15*/	u_char	ns_rsrv;		/* reserved for EXOS *//*16*/	u_short	ns_nobj;		/* number of objects to work on *//*18*/	u_short	ns_xobj;		/* index of first object to work on *//*20*/	u_long	ns_bufp;		/* pointer to statistics buffer *//*24*/};struct	enet_xmit {		/* send a packet on the Ethernet *//*12*/	u_char	et_rqst;	/* request code *//*13*/	u_char	et_rply;	/* reply code *//*14*/	u_char	et_slot;		/* address slot matching dest address *//*15*/	u_char	et_nblock;		/* number of blocks composing packet *//*16*/	struct	buf_blk et_blks[NFRAGMENTS];	/* array of block descriptors *//*22-64*/};struct	enet_recv {		/* receive a packet on the Ethernet *//*12*/	u_char	er_rqst;	/* request code *//*13*/	u_char	er_rply;	/* reply code *//*14*/	u_char	er_slot;		/* address slot matching dest address *//*15*/	u_char	er_nblock;		/* number of blocks composing buffer *//*16*/	struct	buf_blk er_blks[NFRAGMENTS];	/* array of block descriptors *//*22-64*/};/* we send requests and receive replys with the EXOS using this structure */struct	ex_msg {/*00*/	u_short	mb_link;	/* address of next message buffer *//*02*/	u_char	mb_rsrv;	/* reserved for use by EXOS *//*03*/	u_char	mb_status;	/* used bit-wise for message protocol *//*04*/	u_short	mb_length;	/* length, in bytes, of the rest *//*06*/	short	mb_1rsrv;	/* reserved for used by EXOS *//*08*/	long	mb_mid;		/* available to user *//*12*/	union	mb_all {		struct	net_mode	mb_net_mode;		struct	net_addrs	mb_net_addrs;		struct	net_recv	mb_net_recv;		struct	net_ststcs	mb_net_ststcs;		struct	enet_xmit	mb_enet_xmit;		struct	enet_recv	mb_enet_recv;	} mb_all;/* following field is used only by host, not read by board */	struct	ex_msg *mb_next;	/* host's pointer to next message */};#define	mb_nm	mb_all.mb_net_mode#define	mb_na	mb_all.mb_net_addrs#define	mb_nr	mb_all.mb_net_recv#define	mb_ns	mb_all.mb_net_ststcs#define	mb_et	mb_all.mb_enet_xmit#define	mb_er	mb_all.mb_enet_recv#define	mb_rqst	mb_nm.nm_rqst#define	mb_rply	mb_nm.nm_rply#define	MBDATALEN (sizeof(union mb_all)+6)struct	confmsg {/*00*/	u_short	cm_1rsrv;	/* reserved, must be 1 *//*02*/	char	cm_vc[4];	/* returns ASCII version code *//*06*/	u_char	cm_cc;		/* returns config completion code *//*07*/	u_char	cm_opmode;	/* specifies operation mode *//*08*/	u_short	cm_dfo;		/* specifies host data format option *//*10*/	u_char	cm_dcn1;	/* reserved, must be 1 *//*11*/	u_char	cm_2rsrv[2];	/* reserved, must be 0 *//*13*/	u_char	cm_ham;		/* specifies host address mode *//*14*/	u_char	cm_3rsrv;	/* reserved, must be 0 *//*15*/	u_char	cm_mapsiz;	/* reserved, must be 0 *//*16*/	u_char	cm_byteptrn[4];	/* host data format option test pattern *//*20*/	u_short	cm_wordptrn[2];/*24*/	u_long	cm_lwordptrn;/*28*/	u_char	cm_rsrvd[20];/*48*/	u_long	cm_mba;		/* use 0xFFFFFFFF in link level mode *//*52*/	u_char	cm_nproc;	/* use 0xFF in link level mode *//*53*/	u_char	cm_nmbox;	/* use 0xFF in link level mode *//*54*/	u_char	cm_nmcast;	/* use 0xFF in link level mode *//*55*/	u_char	cm_nhost;	/* use 1 in link level mode */	/* the next five parameters define the request message queue *//*56*/	u_long	cm_h2xba;	/* base address of message queue *//*60*/	u_short	cm_h2xhdr;	/* address offset of msg Q header *//*62*/	u_char	cm_h2xtyp;	/* interrupt type *//*63*/	u_char	cm_h2xval;	/* interrupt value (not used) *//*64*/	u_short	cm_h2xaddr;	/* interrupt vector *//*66*/	u_short	cm_h2xpad;	/* pad out unused portion of vector */	/* the next five parameters define the reply message queue *//*68*/	u_long	cm_x2hba;	/* base address of message queue *//*72*/	u_short	cm_x2hhdr;	/* address offset of msg Q header *//*74*/	u_char	cm_x2htyp;	/* interrupt type *//*75*/	u_char	cm_x2hval;	/* interrupt value (not used) *//*76*/	u_short	cm_x2haddr;	/* interrupt vector *//*78*/	u_short	cm_x2hpad;	/* pad out unused portion of vector *//*80*/};