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/* $OpenBSD: sgecvar.h,v 1.4 2004/07/07 23:10:45 deraadt Exp $ */
/* $NetBSD: sgecvar.h,v 1.2 2000/06/04 02:14:14 matt Exp $ */
/*
* Copyright (c) 1999 Ludd, University of Lule}, Sweden. All rights reserved.
*
* 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 at Ludd, University of
* Lule}, Sweden and its contributors.
* 4. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
*/
#define RXDESCS 30 /* # of receive descriptors */
#define TXDESCS 60 /* # transmit descs */
/*
* Descriptors must be an even number; optimisation thing.
*/
struct ze_cdata {
struct ze_rdes zc_recv[RXDESCS+2]; /* Receive descriptors */
struct ze_tdes zc_xmit[TXDESCS+2]; /* Transmit descriptors */
u_int8_t zc_setup[128]; /* Setup packet layout */
};
struct ze_softc {
struct device sc_dev; /* Configuration common part */
struct evcount sc_intrcnt; /* Interrupt counters */
struct arpcom sc_ac; /* Ethernet common part */
#define sc_if sc_ac.ac_if /* network-visible interface */
bus_space_tag_t sc_iot;
bus_addr_t sc_ioh;
bus_dma_tag_t sc_dmat;
struct ze_cdata *sc_zedata; /* Descriptor struct */
struct ze_cdata *sc_pzedata; /* Physical address of above */
bus_dmamap_t sc_cmap; /* Map for control structures */
struct mbuf* sc_txmbuf[TXDESCS];
struct mbuf* sc_rxmbuf[RXDESCS];
bus_dmamap_t sc_xmtmap[TXDESCS];
bus_dmamap_t sc_rcvmap[RXDESCS];
int sc_intvec; /* Interrupt vector */
int sc_nexttx;
int sc_inq;
int sc_lastack;
int sc_nextrx;
int sc_setup; /* Setup packet in queue */
};
void sgec_attach(struct ze_softc *);
int sgec_intr(struct ze_softc *);
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