146 lines
5.0 KiB
C
146 lines
5.0 KiB
C
/* $NetBSD: lancevar.h,v 1.16 2015/04/13 16:33:24 riastradh Exp $ */
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/*-
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* Copyright (c) 1997, 1998 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Charles M. Hannum and by Jason R. Thorpe of the Numerical Aerospace
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* Simulation Facility, NASA Ames Research Center.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/rndsource.h>
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struct lance_softc {
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device_t sc_dev; /* base device glue */
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struct ethercom sc_ethercom; /* Ethernet common part */
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struct ifmedia sc_media; /* our supported media */
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/*
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* Memory functions:
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*
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* copy to/from descriptor
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* copy to/from buffer
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* zero bytes in buffer
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*/
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void (*sc_copytodesc)
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(struct lance_softc *, void *, int, int);
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void (*sc_copyfromdesc)
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(struct lance_softc *, void *, int, int);
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void (*sc_copytobuf)
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(struct lance_softc *, void *, int, int);
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void (*sc_copyfrombuf)
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(struct lance_softc *, void *, int, int);
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void (*sc_zerobuf)
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(struct lance_softc *, int, int);
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/*
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* Machine-dependent functions:
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*
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* read/write CSR
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* hardware reset hook - may be NULL
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* hardware init hook - may be NULL
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* no carrier hook - may be NULL
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* media change hook - may be NULL
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*/
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uint16_t (*sc_rdcsr)
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(struct lance_softc *, uint16_t);
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void (*sc_wrcsr)
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(struct lance_softc *, uint16_t, uint16_t);
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void (*sc_hwreset)(struct lance_softc *);
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void (*sc_hwinit)(struct lance_softc *);
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void (*sc_nocarrier)(struct lance_softc *);
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int (*sc_mediachange)(struct lance_softc *);
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void (*sc_mediastatus)(struct lance_softc *, struct ifmediareq *);
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/*
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* Media-supported by this interface. If this is NULL,
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* the only supported media is assumed to be "manual".
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*/
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const int *sc_supmedia;
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int sc_nsupmedia;
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int sc_defaultmedia;
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/* PCnet bit to use software selection of a port */
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int sc_initmodemedia;
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int sc_havecarrier; /* carrier status */
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uint16_t sc_conf3; /* CSR3 value */
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uint16_t sc_saved_csr0;/* Value of csr0 at time of interrupt */
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void *sc_mem; /* base address of RAM -- CPU's view */
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u_long sc_addr; /* base address of RAM -- LANCE's view */
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u_long sc_memsize; /* size of RAM */
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int sc_nrbuf; /* number of receive buffers */
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int sc_ntbuf; /* number of transmit buffers */
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int sc_last_rd;
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int sc_first_td, sc_last_td, sc_no_td;
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int sc_initaddr;
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int sc_rmdaddr;
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int sc_tmdaddr;
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int *sc_rbufaddr;
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int *sc_tbufaddr;
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#ifdef LEDEBUG
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int sc_debug;
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#endif
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uint8_t sc_enaddr[ETHER_ADDR_LEN];
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uint8_t sc_pad[2];
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krndsource_t rnd_source;
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void (*sc_meminit)(struct lance_softc *);
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void (*sc_start)(struct ifnet *);
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};
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void lance_config(struct lance_softc *);
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void lance_reset(struct lance_softc *);
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int lance_init(struct ifnet *);
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int lance_put(struct lance_softc *, int, struct mbuf *);
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void lance_read(struct lance_softc *, int, int);
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void lance_setladrf(struct ethercom *, uint16_t *);
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/*
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* The following functions are only useful on certain CPU/bus
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* combinations. They should be written in assembly language for
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* maximum efficiency, but machine-independent versions are provided
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* for drivers that have not yet been optimized.
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*/
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void lance_copytobuf_contig(struct lance_softc *, void *, int, int);
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void lance_copyfrombuf_contig(struct lance_softc *, void *, int, int);
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void lance_zerobuf_contig(struct lance_softc *, int, int);
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#if 0 /* Example only - see lance.c */
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void lance_copytobuf_gap2(struct lance_softc *, void *, int, int);
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void lance_copyfrombuf_gap2(struct lance_softc *, void *, int, int);
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void lance_zerobuf_gap2(struct lance_softc *, int, int);
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void lance_copytobuf_gap16(struct lance_softc *, void *, int, int);
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void lance_copyfrombuf_gap16(struct lance_softc *, void *, int, int);
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void lance_zerobuf_gap16(struct lance_softc *, int, int);
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#endif /* Example only */
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