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/* $OpenBSD: tropicvar.h,v 1.3 2002/03/14 01:26:55 millert Exp $ */
/* $NetBSD: tropicvar.h,v 1.4 1999/10/17 23:53:45 cgd Exp $ */
/*
* Mach Operating System
* Copyright (c) 1991 Carnegie Mellon University
* Copyright (c) 1991 IBM Corporation
* All Rights Reserved.
*
* Permission to use, copy, modify and distribute this software and its
* documentation is hereby granted, 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, and that both notices appear in supporting documentation,
* and that the name IBM not be used in advertising or publicity
* pertaining to distribution of the software without specific, written
* prior permission.
*
* CARNEGIE MELLON AND IBM ALLOW FREE USE OF THIS SOFTWARE IN ITS "AS IS"
* CONDITION. CARNEGIE MELLON AND IBM DISCLAIM ANY LIABILITY OF ANY KIND FOR
* ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
*
* Carnegie Mellon requests users of this software to return to
*
* Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
* School of Computer Science
* Carnegie Mellon University
* Pittsburgh PA 15213-3890
*
* any improvements or extensions that they make and grant Carnegie Mellon
* the rights to redistribute these changes.
*/
/* $ACIS:if_lanvar.h 12.0$ */
/*
* This file contains structures used in the "tr" driver for the
* IBM TOKEN-RING NETWORK PC ADAPTER
*/
/* Receive buffer control block */
struct rbcb {
bus_size_t rbufp; /* offset of current receive buffer */
bus_size_t rbufp_next; /* offset of next receive buffer */
bus_size_t rbuf_datap; /* offset of data in receive buffer */
unsigned short data_len; /* amount of data in this rec buffer */
};
/*
* Token-Ring software status per adapter
*/
struct tr_softc {
struct device sc_dev;
void *sc_ih;
struct arpcom sc_arpcom;
struct ifmedia sc_media;
u_char sc_xmit_correlator;
int sc_xmit_buffers;
#if 1
int sc_xmit_head;
int sc_xmit_tail;
#endif
int sc_minbuf;
int sc_nbuf;
bus_size_t sc_txca;
bus_space_tag_t sc_piot;
bus_space_tag_t sc_memt;
bus_space_handle_t sc_pioh; /* handle pio area */
bus_space_handle_t sc_sramh; /* handle for the shared ram area */
bus_space_handle_t sc_mmioh; /* handle for the bios/mmio area */
struct timeout init_timeout;
struct timeout reinit_timeout;
int (*sc_mediachange)(struct tr_softc *);
void (*sc_mediastatus)(struct tr_softc *, struct ifmediareq *);
struct rbcb rbc; /* receiver buffer control block */
bus_size_t sc_aca; /* offset of adapter ACA */
bus_size_t sc_ssb; /* offset of System Status Block */
bus_size_t sc_arb; /* offset of Adapter Request Block */
bus_size_t sc_srb; /* offset of System Request Block */
bus_size_t sc_asb; /* offset of Adapter Status Block */
u_int sc_maddr; /* mapped shared memory address */
u_int sc_memwinsz; /* mapped shared memory window size */
u_int sc_memsize; /* memory installed on adapter */
u_int sc_memreserved; /* reserved memory on adapter */
int sc_dhb4maxsz; /* max. dhb size at 4MBIT ring speed */
int sc_dhb16maxsz; /* max. dbh size at 16MBIT ring speed */
int sc_maxmtu; /* max. MTU supported by adapter */
unsigned char sc_init_status;
caddr_t tr_sleepevent; /* tr event signalled on successful */
/* open of adapter */
unsigned short exsap_station; /* station assigned by open sap cmd */
};
int tr_config(struct tr_softc *);
int tr_attach(struct tr_softc *);
int tr_intr(void *);
void tr_init(void *);
int tr_ioctl(struct ifnet *, u_long, caddr_t);
void tr_stop(struct tr_softc *);
int tr_reset(struct tr_softc *);
void tr_sleep(struct tr_softc *);
int tr_setspeed(struct tr_softc *, u_int8_t);
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