70 lines
3.0 KiB
C
70 lines
3.0 KiB
C
/* $NetBSD: sgecvar.h,v 1.2 2000/06/04 02:14:14 matt Exp $ */
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/*
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* Copyright (c) 1999 Ludd, University of Lule}, Sweden. All rights reserved.
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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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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed at Ludd, University of
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* Lule}, Sweden and its contributors.
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* 4. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#define RXDESCS 30 /* # of receive descriptors */
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#define TXDESCS 60 /* # transmit descs */
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/*
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* Descriptors must be an even number; optimisation thing.
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*/
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struct ze_cdata {
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struct ze_rdes zc_recv[RXDESCS+2]; /* Receive descriptors */
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struct ze_tdes zc_xmit[TXDESCS+2]; /* Transmit descriptors */
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u_int8_t zc_setup[128]; /* Setup packet layout */
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};
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struct ze_softc {
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struct device sc_dev; /* Configuration common part */
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struct evcnt sc_intrcnt; /* Interrupt counters */
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struct ethercom sc_ec; /* Ethernet common part */
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#define sc_if sc_ec.ec_if /* network-visible interface */
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bus_space_tag_t sc_iot;
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bus_addr_t sc_ioh;
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bus_dma_tag_t sc_dmat;
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struct ze_cdata *sc_zedata; /* Descriptor struct */
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struct ze_cdata *sc_pzedata; /* Physical address of above */
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bus_dmamap_t sc_cmap; /* Map for control structures */
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struct mbuf* sc_txmbuf[TXDESCS];
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struct mbuf* sc_rxmbuf[RXDESCS];
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bus_dmamap_t sc_xmtmap[TXDESCS];
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bus_dmamap_t sc_rcvmap[RXDESCS];
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int sc_intvec; /* Interrupt vector */
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int sc_nexttx;
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int sc_inq;
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int sc_lastack;
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int sc_nextrx;
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int sc_setup; /* Setup packet in queue */
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u_int8_t sc_enaddr[ETHER_ADDR_LEN];
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};
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void sgec_attach __P((struct ze_softc *));
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int sgec_intr __P((struct ze_softc *));
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