if_wlp.h

WaveLAN无线网卡Linux驱动程序

/*
 * Copyright (c) 1997 Carnegie Mellon University.            
 * All Rights Reserved.
 *
 * Permission to use, copy, modify, and distribute this software and
 * its documentation is hereby granted (including for commercial or
 * for-profit use), 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 credit
 * is given to Carnegie Mellon University in all publications reporting
 * on direct or indirect use of this code or its derivatives.
 *
 * THIS IMPLEMENTATION IS EXPERIMENTAL AND MAY HAVE BUGS, SOME OF WHICH
 * MAY HAVE SERIOUS CONSEQUENCES.  CARNEGIE MELLON PROVIDES THIS SOFTWARE
 * IN ITS "AS IS" CONDITION, 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 CARNEGIE
 * MELLON UNIVERSITY 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.
 *
 * Carnegie Mellon encourages (but does not require) users of this
 * software to return any improvements or extensions that they make,
 * and to grant Carnegie Mellon the rights to redistribute these
 * changes without encumbrance.
 *
 *
 */


#ifndef __IF_WLP_H__
#define __IF_WLP_H__

// #define WLP_DEBUG
// #define WLP_STATS

struct wlp_softc;

/* ======================================================================
   ioctl()'s
   ====================================================================== */
#define SIOCGIFSTATS	_IOWR('i', 60, struct ifstats)	/* Interface Stats */

#define IFTYPE_REDWING		0x01
#define IFTYPE_WAVELAN		0x02

#ifdef KERNEL

/* ======================================================================
   Function Prototypes
   ====================================================================== */
int
ProbeIntel82593(struct isa_device *, int);

u_int8_t
I82593_wait(struct wlp_softc *, u_int8_t);

void
wlpinit (struct wlp_softc*);

void
wlpsetrcr(struct wlp_softc*);

void
wlptransmit(struct wlp_softc *, struct mbuf *);

/* ======================================================================
   Defines
   ====================================================================== */
#define	WLP_IOSIZE		8		/* 8 8-bit registers */
#define WLP_TXBASE		0x2000		/* 8K offset */
#define WLP_RXBUFSIZE		0x2000		/* 8K Receive Buffer */
#define RXBUF_MAX_ADDR		0x1FFF

#ifndef ETHER_ADDR_LEN
#define ETHER_ADDR_LEN		6
#endif

#ifndef ETHER_MIN_LEN
#define ETHER_MIN_LEN		64
#endif

#define ETHER_ADDR_FORMAT(t)	(t)[0],(t)[1],(t)[2],(t)[3],(t)[4],(t)[5]

/* ======================================================================
   Macros
   ====================================================================== */
#define IORead1(p)	(inb(sc->sc_iobase + (p)))
#define IOWrite1(p,v)	outb(sc->sc_iobase + (p), (v))

#define IOWrite(p,v,l)	outsb(sc->sc_iobase + (p), v, l)
#define IORead(p,v,l)	insb(sc->sc_iobase + (p), v, l)

#define MEMWrite1(to, v)	sc->sc_maddr[to] = (u_char) (v)
#define MEMRead1(from)		((u_char) sc->sc_maddr[from])

#define MEMWrite(from, to, len)	bcopy((from), sc->sc_maddr + (to), (len))
#define MEMRead(to, from, len)	bcopy(sc->sc_maddr + (from), (to), (len))

#endif /* KERNEL */

/* ======================================================================
   Data Structures
   ====================================================================== */
struct ifstats {
  struct ifreq		ifs_ifr;
  int			ifs_iftype;
  int			ifs_unit;
  int			ifs_iobase;
  int			ifs_iosize;
  int			ifs_maddr;
  int			ifs_msize;                                       
  int			ifs_irq;                   
  struct I82593_stats	ifs_istats;
  struct wavelan_stats	ifs_wstats;
};


#ifdef KERNEL

#ifdef WAVELAN_ROAMING
#include <i386/isa/if_wlp_wavelan_roam.h>
#endif

/*
 * This structure borrowed from the PAO distribution (machine/wavelan.h)
 */

struct wavelan_psa {
	u_int8_t	umac_address[6];
	u_int8_t	lmac_address[6];
	u_int8_t	mac_address_select;
	u_int8_t	compat_number;
	u_int8_t	threshold_preset;
	u_int8_t	feature_select;
	u_int8_t	subband_number;
	u_int8_t	quality_threshold;
	u_int8_t	nwid[2];
	u_int8_t	nwid_select;
	u_int8_t	security_select;
	u_int8_t	encryption_key[8];
	u_int8_t	call_code[8];
	u_int8_t	nwid_prefix[2];
	u_int8_t	config_status;
	u_int8_t	crc16[2];
	u_int8_t	crc_status;
};

struct wlp_softc {
	struct arpcom	sc_ac;
			
	int		sc_iftype;
	int		(*sc_ifconfig)(struct wlp_softc*);
			
	int		sc_unit;
	int		sc_iobase;	/* Starting I/O base address */
	int		sc_iosize;
	caddr_t		sc_maddr;
	int		sc_msize;
	int		sc_irq;

	int		sc_rxnext;
	int		sc_gone;

	u_int8_t	sc_nwid[2];	/* shadows radio modem registers */
	u_int8_t	sc_nwidprom;	/* NWID Promiscious Mode */
	u_int8_t	sc_sigthresh;	/* Signal Threshold */
	u_int32_t	sc_sigstat;	/* Last reading from the card */

#ifdef WAVELAN_ROAMING
	struct roam_state	sc_rs;	/* roaming state */
#endif
	struct wavelan_psa	sc_conf;
	caddr_t			sc_attrmem;
	struct I82593_stats	sc_stats;
};

#endif /* KERNEL */

#endif /* __IF_WLP_H__ */