sgecvar.h

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    1 /*      $NetBSD: sgecvar.h,v 1.6.24.1 2007/05/07 03:23:57 snj Exp $ */
    2 /*
    3  * Copyright (c) 1999 Ludd, University of Lule}, Sweden. All rights reserved.
    4  *
    5  * Redistribution and use in source and binary forms, with or without
    6  * modification, are permitted provided that the following conditions
    7  * are met:
    8  * 1. Redistributions of source code must retain the above copyright
    9  *    notice, this list of conditions and the following disclaimer.
   10  * 2. Redistributions in binary form must reproduce the above copyright
   11  *    notice, this list of conditions and the following disclaimer in the
   12  *    documentation and/or other materials provided with the distribution.
   13  * 3. All advertising materials mentioning features or use of this software
   14  *    must display the following acknowledgement:
   15  *      This product includes software developed at Ludd, University of
   16  *      Lule}, Sweden and its contributors.
   17  * 4. The name of the author may not be used to endorse or promote products
   18  *    derived from this software without specific prior written permission
   19  *
   20  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
   21  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
   22  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
   23  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
   24  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
   25  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
   26  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
   27  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
   28  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
   29  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   30  */
   31 
   32 #ifndef _DEV_IC_SGECVAR_H_
   33 #define _DEV_IC_SGECVAR_H_
   34 
   35 #define RXDESCS 30      /* # of receive descriptors */
   36 #define TXDESCS 60      /* # transmit descs */
   37 
   38 /*
   39  * Descriptors must be an even number; optimisation thing.
   40  */
   41 struct ze_cdata {
   42         struct ze_rdes  zc_recv[RXDESCS+2];     /* Receive descriptors */
   43         struct ze_tdes  zc_xmit[TXDESCS+2];     /* Transmit descriptors */
   44         u_int8_t        zc_setup[128];          /* Setup packet layout */
   45 };
   46 
   47 struct  ze_softc {
   48         struct device   sc_dev;         /* Configuration common part    */
   49         struct evcnt    sc_intrcnt;     /* Interrupt counters           */
   50         struct evcnt    sc_rxintrcnt;   /* Interrupt counters           */
   51         struct evcnt    sc_txintrcnt;   /* Interrupt counters           */
   52         struct evcnt    sc_txdraincnt;  /* Interrupt counters           */
   53         struct evcnt    sc_nobufintrcnt; /* Interrupt counters          */
   54         struct evcnt    sc_nointrcnt;   /* Interrupt counters           */
   55         struct ethercom sc_ec;          /* Ethernet common part         */
   56 #define sc_if   sc_ec.ec_if             /* network-visible interface    */
   57         bus_space_tag_t sc_iot;
   58         bus_addr_t      sc_ioh;
   59         bus_dma_tag_t   sc_dmat;
   60         struct ze_cdata *sc_zedata;     /* Descriptor struct            */
   61         struct ze_cdata *sc_pzedata;    /* Physical address of above    */
   62         bus_dmamap_t    sc_cmap;        /* Map for control structures   */
   63         struct mbuf*    sc_txmbuf[TXDESCS];
   64         struct mbuf*    sc_rxmbuf[RXDESCS];
   65         bus_dmamap_t    sc_xmtmap[TXDESCS];
   66         bus_dmamap_t    sc_rcvmap[RXDESCS];
   67         int             sc_intvec;      /* Interrupt vector             */
   68         int             sc_nexttx;
   69         int             sc_txcnt;
   70         int             sc_inq;
   71         int             sc_lastack;
   72         int             sc_nextrx;
   73         int             sc_setup;       /* Setup packet in queue        */
   74         u_int8_t        sc_enaddr[ETHER_ADDR_LEN];
   75 };
   76 
   77 void    sgec_attach(struct ze_softc *);
   78 int     sgec_intr(struct ze_softc *);
   79 
   80 #endif /* _DEV_IC_SGECVAR_H_ */

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FreeBSD/Linux Kernel Cross Reference sys/dev/ic/sgecvar.h

FreeBSD/Linux Kernel Cross Reference
sys/dev/ic/sgecvar.h