1 /* $NetBSD: lancevar.h,v 1.10 2005/12/11 12:21:27 christos Exp $ */ 2 /* $FreeBSD: src/sys/dev/le/lancevar.h,v 1.2 2006/05/16 21:04:01 marius Exp $ */ 3 /* $DragonFly: src/sys/dev/netif/lnc/lancevar.h,v 1.1 2006/07/07 14:16:29 sephe Exp $ */ 4 5 6 /*- 7 * Copyright (c) 1997, 1998 The NetBSD Foundation, Inc. 8 * All rights reserved. 9 * 10 * This code is derived from software contributed to The NetBSD Foundation 11 * by Charles M. Hannum and by Jason R. Thorpe of the Numerical Aerospace 12 * Simulation Facility, NASA Ames Research Center. 13 * 14 * Redistribution and use in source and binary forms, with or without 15 * modification, are permitted provided that the following conditions 16 * are met: 17 * 1. Redistributions of source code must retain the above copyright 18 * notice, this list of conditions and the following disclaimer. 19 * 2. Redistributions in binary form must reproduce the above copyright 20 * notice, this list of conditions and the following disclaimer in the 21 * documentation and/or other materials provided with the distribution. 22 * 3. All advertising materials mentioning features or use of this software 23 * must display the following acknowledgement: 24 * This product includes software developed by the NetBSD 25 * Foundation, Inc. and its contributors. 26 * 4. Neither the name of The NetBSD Foundation nor the names of its 27 * contributors may be used to endorse or promote products derived 28 * from this software without specific prior written permission. 29 * 30 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 31 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 32 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 33 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 34 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 35 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 36 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 37 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 38 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 39 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 40 * POSSIBILITY OF SUCH DAMAGE. 41 */ 42 43 #ifndef _DEV_LE_LANCEVAR_H_ 44 #define _DEV_LE_LANCEVAR_H_ 45 46 extern devclass_t le_devclass; 47 48 struct lance_softc { 49 struct arpcom sc_arp; 50 struct ifnet *ifp; 51 struct ifmedia sc_media; 52 53 /* 54 * Memory functions: 55 * 56 * copy to/from descriptor 57 * copy to/from buffer 58 * zero bytes in buffer 59 */ 60 void (*sc_copytodesc)(struct lance_softc *, void *, int, int); 61 void (*sc_copyfromdesc)(struct lance_softc *, void *, int, int); 62 void (*sc_copytobuf)(struct lance_softc *, void *, int, int); 63 void (*sc_copyfrombuf)(struct lance_softc *, void *, int, int); 64 void (*sc_zerobuf)(struct lance_softc *, int, int); 65 66 /* 67 * Machine-dependent functions: 68 * 69 * read/write CSR 70 * hardware reset hook - may be NULL 71 * hardware init hook - may be NULL 72 * no carrier hook - may be NULL 73 * media change hook - may be NULL 74 */ 75 uint16_t (*sc_rdcsr)(struct lance_softc *, uint16_t); 76 void (*sc_wrcsr)(struct lance_softc *, uint16_t, uint16_t); 77 void (*sc_hwreset)(struct lance_softc *); 78 void (*sc_hwinit)(struct lance_softc *); 79 int (*sc_hwintr)(struct lance_softc *); 80 void (*sc_nocarrier)(struct lance_softc *); 81 int (*sc_mediachange)(struct lance_softc *); 82 void (*sc_mediastatus)(struct lance_softc *, struct ifmediareq *); 83 84 /* 85 * Media-supported by this interface. If this is NULL, 86 * the only supported media is assumed to be "manual". 87 */ 88 const int *sc_supmedia; 89 int sc_nsupmedia; 90 int sc_defaultmedia; 91 92 uint16_t sc_conf3; /* CSR3 value */ 93 94 void *sc_mem; /* base address of RAM - CPU's view */ 95 bus_addr_t sc_addr; /* base address of RAM - LANCE's view */ 96 97 bus_size_t sc_memsize; /* size of RAM */ 98 99 int sc_nrbuf; /* number of receive buffers */ 100 int sc_ntbuf; /* number of transmit buffers */ 101 int sc_last_rd; 102 int sc_first_td; 103 int sc_last_td; 104 int sc_no_td; 105 106 int sc_initaddr; 107 int sc_rmdaddr; 108 int sc_tmdaddr; 109 int sc_rbufaddr; 110 int sc_tbufaddr; 111 112 uint8_t sc_enaddr[ETHER_ADDR_LEN]; 113 114 void (*sc_meminit)(struct lance_softc *); 115 void (*sc_start_locked)(struct lance_softc *); 116 117 int sc_flags; 118 #define LE_ALLMULTI (1 << 0) 119 #define LE_BSWAP (1 << 1) 120 #define LE_CARRIER (1 << 2) 121 #define LE_DEBUG (1 << 3) 122 #define LE_PROMISC (1 << 4) 123 }; 124 #define sc_if sc_arp.ac_if 125 126 /* 127 * Unfortunately, manual byte swapping is only necessary for the PCnet-PCI 128 * variants but not for the original LANCE or ILACC so we cannot do this 129 * with #ifdefs resolved at compile time. 130 */ 131 #define LE_HTOLE16(v) (((sc)->sc_flags & LE_BSWAP) ? htole16(v) : (v)) 132 #define LE_HTOLE32(v) (((sc)->sc_flags & LE_BSWAP) ? htole32(v) : (v)) 133 #define LE_LE16TOH(v) (((sc)->sc_flags & LE_BSWAP) ? le16toh(v) : (v)) 134 #define LE_LE32TOH(v) (((sc)->sc_flags & LE_BSWAP) ? le32toh(v) : (v)) 135 136 int lance_config(struct lance_softc *, const char*, int); 137 void lance_attach(struct lance_softc *); 138 void lance_detach(struct lance_softc *); 139 void lance_stop(struct lance_softc *); 140 void lance_suspend(struct lance_softc *); 141 void lance_resume(struct lance_softc *); 142 void lance_init_locked(struct lance_softc *); 143 int lance_put(struct lance_softc *, int, struct mbuf *); 144 struct mbuf *lance_get(struct lance_softc *, int, int); 145 void lance_setladrf(struct lance_softc *, u_int16_t *); 146 147 /* 148 * The following functions are only useful on certain CPU/bus 149 * combinations. They should be written in assembly language for 150 * maximum efficiency, but machine-independent versions are provided 151 * for drivers that have not yet been optimized. 152 */ 153 void lance_copytobuf_contig(struct lance_softc *, void *, int, int); 154 void lance_copyfrombuf_contig(struct lance_softc *, void *, int, int); 155 void lance_zerobuf_contig(struct lance_softc *, int, int); 156 157 #if 0 /* Example only - see lance.c */ 158 void lance_copytobuf_gap2(struct lance_softc *, void *, int, int); 159 void lance_copyfrombuf_gap2(struct lance_softc *, void *, int, int); 160 void lance_zerobuf_gap2(struct lance_softc *, int, int); 161 162 void lance_copytobuf_gap16(struct lance_softc *, void *, int, int); 163 void lance_copyfrombuf_gap16(struct lance_softc *, void *, int, int); 164 void lance_zerobuf_gap16(struct lance_softc *, int, int); 165 #endif /* Example only */ 166 167 #endif /* _DEV_LE_LANCEVAR_H_ */ 168