FreeBSD/Linux Kernel Cross Reference
sys/dev/netif/lnc/lancevar.h

     /*      $NetBSD: lancevar.h,v 1.10 2005/12/11 12:21:27 christos Exp $   */
     /*      $FreeBSD: src/sys/dev/le/lancevar.h,v 1.2 2006/05/16 21:04:01 marius Exp $      */
     /*      $DragonFly: src/sys/dev/netif/lnc/lancevar.h,v 1.1 2006/07/07 14:16:29 sephe Exp $      */
     
     
     /*-
      * Copyright (c) 1997, 1998 The NetBSD Foundation, Inc.
      * All rights reserved.
      *
     * This code is derived from software contributed to The NetBSD Foundation
     * by Charles M. Hannum and by Jason R. Thorpe of the Numerical Aerospace
     * Simulation Facility, NASA Ames Research Center.
     *
     * 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 NetBSD
     *      Foundation, Inc. and its contributors.
     * 4. Neither the name of The NetBSD Foundation 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 NETBSD FOUNDATION, INC. 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 FOUNDATION 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.
     */
    
    #ifndef _DEV_LE_LANCEVAR_H_
    #define _DEV_LE_LANCEVAR_H_
    
    extern devclass_t le_devclass;
    
    struct lance_softc {
            struct arpcom   sc_arp;
            struct ifnet    *ifp;
            struct ifmedia  sc_media;
    
            /*
             * Memory functions:
             *
             *      copy to/from descriptor
             *      copy to/from buffer
             *      zero bytes in buffer
             */
            void    (*sc_copytodesc)(struct lance_softc *, void *, int, int);
            void    (*sc_copyfromdesc)(struct lance_softc *, void *, int, int);
            void    (*sc_copytobuf)(struct lance_softc *, void *, int, int);
            void    (*sc_copyfrombuf)(struct lance_softc *, void *, int, int);
            void    (*sc_zerobuf)(struct lance_softc *, int, int);
    
            /*
             * Machine-dependent functions:
             *
             *      read/write CSR
             *      hardware reset hook - may be NULL
             *      hardware init hook - may be NULL
             *      no carrier hook - may be NULL
             *      media change hook - may be NULL
             */
            uint16_t        (*sc_rdcsr)(struct lance_softc *, uint16_t);
            void    (*sc_wrcsr)(struct lance_softc *, uint16_t, uint16_t);
            void    (*sc_hwreset)(struct lance_softc *);
            void    (*sc_hwinit)(struct lance_softc *);
            int     (*sc_hwintr)(struct lance_softc *);
            void    (*sc_nocarrier)(struct lance_softc *);
            int     (*sc_mediachange)(struct lance_softc *);
            void    (*sc_mediastatus)(struct lance_softc *, struct ifmediareq *);
    
            /*
             * Media-supported by this interface.  If this is NULL,
             * the only supported media is assumed to be "manual".
             */
            const int       *sc_supmedia;
            int     sc_nsupmedia;
            int     sc_defaultmedia;
    
            uint16_t        sc_conf3;       /* CSR3 value */
    
            void    *sc_mem;                /* base address of RAM - CPU's view */
            bus_addr_t      sc_addr;        /* base address of RAM - LANCE's view */
    
            bus_size_t      sc_memsize;     /* size of RAM */
    
            int     sc_nrbuf;       /* number of receive buffers */
           int     sc_ntbuf;       /* number of transmit buffers */
           int     sc_last_rd;
           int     sc_first_td;
           int     sc_last_td;
           int     sc_no_td;
   
           int     sc_initaddr;
           int     sc_rmdaddr;
           int     sc_tmdaddr;
           int     sc_rbufaddr;
           int     sc_tbufaddr;
   
           uint8_t sc_enaddr[ETHER_ADDR_LEN];
   
           void    (*sc_meminit)(struct lance_softc *);
           void    (*sc_start_locked)(struct lance_softc *);
   
           int     sc_flags;
   #define LE_ALLMULTI     (1 << 0)
   #define LE_BSWAP        (1 << 1)
   #define LE_CARRIER      (1 << 2)
   #define LE_DEBUG        (1 << 3)
   #define LE_PROMISC      (1 << 4)
   };
   #define sc_if   sc_arp.ac_if
   
   /*
    * Unfortunately, manual byte swapping is only necessary for the PCnet-PCI
    * variants but not for the original LANCE or ILACC so we cannot do this
    * with #ifdefs resolved at compile time.
    */
   #define LE_HTOLE16(v)   (((sc)->sc_flags & LE_BSWAP) ? htole16(v) : (v))
   #define LE_HTOLE32(v)   (((sc)->sc_flags & LE_BSWAP) ? htole32(v) : (v))
   #define LE_LE16TOH(v)   (((sc)->sc_flags & LE_BSWAP) ? le16toh(v) : (v))
   #define LE_LE32TOH(v)   (((sc)->sc_flags & LE_BSWAP) ? le32toh(v) : (v))
   
   void lance_config(struct lance_softc *, const char*, int);
   void lance_detach(struct lance_softc *);
   void lance_stop(struct lance_softc *);
   void lance_suspend(struct lance_softc *);
   void lance_resume(struct lance_softc *);
   void lance_init_locked(struct lance_softc *);
   int lance_put(struct lance_softc *, int, struct mbuf *);
   struct mbuf *lance_get(struct lance_softc *, int, int);
   void lance_setladrf(struct lance_softc *, u_int16_t *);
   
   /*
    * The following functions are only useful on certain CPU/bus
    * combinations.  They should be written in assembly language for
    * maximum efficiency, but machine-independent versions are provided
    * for drivers that have not yet been optimized.
    */
   void lance_copytobuf_contig(struct lance_softc *, void *, int, int);
   void lance_copyfrombuf_contig(struct lance_softc *, void *, int, int);
   void lance_zerobuf_contig(struct lance_softc *, int, int);
   
   #if 0   /* Example only - see lance.c */
   void lance_copytobuf_gap2(struct lance_softc *, void *, int, int);
   void lance_copyfrombuf_gap2(struct lance_softc *, void *, int, int);
   void lance_zerobuf_gap2(struct lance_softc *, int, int);
   
   void lance_copytobuf_gap16(struct lance_softc *, void *, int, int);
   void lance_copyfrombuf_gap16(struct lance_softc *, void *, int, int);
   void lance_zerobuf_gap16(struct lance_softc *, int, int);
   #endif /* Example only */
   
   #endif /* _DEV_LE_LANCEVAR_H_ */

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