sgecvar.h

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    1 /*      $NetBSD: sgecvar.h,v 1.9 2017/05/22 17:23:49 ragge 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  *
   14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
   15  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
   16  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
   17  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
   18  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
   19  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
   20  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
   21  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
   22  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
   23  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   24  */
   25 
   26 #ifndef _DEV_IC_SGECVAR_H_
   27 #define _DEV_IC_SGECVAR_H_
   28 
   29 #define RXDESCS 30      /* # of receive descriptors */
   30 #define TXDESCS 60      /* # transmit descs */
   31 
   32 /*
   33  * Descriptors must be an even number; optimisation thing.
   34  */
   35 struct ze_cdata {
   36         struct ze_rdes  zc_recv[RXDESCS+2];     /* Receive descriptors */
   37         struct ze_tdes  zc_xmit[TXDESCS+2];     /* Transmit descriptors */
   38         u_int8_t        zc_setup[128];          /* Setup packet layout */
   39 };
   40 
   41 struct  ze_softc {
   42         device_t        sc_dev;         /* Configuration common part    */
   43         struct evcnt    sc_intrcnt;     /* Interrupt counters           */
   44         struct evcnt    sc_rxintrcnt;   /* Interrupt counters           */
   45         struct evcnt    sc_txintrcnt;   /* Interrupt counters           */
   46         struct evcnt    sc_txdraincnt;  /* Interrupt counters           */
   47         struct evcnt    sc_nobufintrcnt; /* Interrupt counters          */
   48         struct evcnt    sc_nointrcnt;   /* Interrupt counters           */
   49         struct ethercom sc_ec;          /* Ethernet common part         */
   50 #define sc_if   sc_ec.ec_if             /* network-visible interface    */
   51         bus_space_tag_t sc_iot;
   52         bus_addr_t      sc_ioh;
   53         bus_dma_tag_t   sc_dmat;
   54         struct ze_cdata *sc_zedata;     /* Descriptor struct            */
   55         struct ze_cdata *sc_pzedata;    /* Physical address of above    */
   56         bus_dmamap_t    sc_cmap;        /* Map for control structures   */
   57         struct mbuf*    sc_txmbuf[TXDESCS];
   58         struct mbuf*    sc_rxmbuf[RXDESCS];
   59         bus_dmamap_t    sc_xmtmap[TXDESCS];
   60         bus_dmamap_t    sc_rcvmap[RXDESCS];
   61         int             sc_intvec;      /* Interrupt vector             */
   62         int             sc_nexttx;
   63         int             sc_txcnt;
   64         int             sc_inq;
   65         int             sc_lastack;
   66         int             sc_nextrx;
   67         int             sc_setup;       /* Setup packet in queue        */
   68         u_int8_t        sc_enaddr[ETHER_ADDR_LEN];
   69 };
   70 
   71 void    sgec_attach(struct ze_softc *);
   72 int     sgec_intr(struct ze_softc *);
   73 
   74 #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