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_ */ 75