diff options
Diffstat (limited to 'sys/arch/vax/if/sgecvar.h')
| -rw-r--r-- | sys/arch/vax/if/sgecvar.h | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/sys/arch/vax/if/sgecvar.h b/sys/arch/vax/if/sgecvar.h new file mode 100644 index 00000000000..7cf93770817 --- /dev/null +++ b/sys/arch/vax/if/sgecvar.h @@ -0,0 +1,68 @@ +/* $OpenBSD: sgecvar.h,v 1.1 2000/04/27 03:14:44 bjc Exp $ */ +/* $NetBSD: sgecvar.h,v 1.1 1999/08/08 11:41:30 ragge 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 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 __P((struct ze_softc *)); +int sgec_intr __P((struct ze_softc *)); |