/* $OpenBSD: lance.h,v 1.1 2013/10/28 22:13:12 miod Exp $ */ /* $NetBSD: lance.h,v 1.1 2013/01/13 14:10:55 tsutsui Exp $ */ /*- * Copyright (c) 1982, 1992, 1993 * The Regents of the University of California. 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. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 REGENTS OR CONTRIBUTORS 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. * * @(#)if_lereg.h 8.2 (Berkeley) 10/30/93 */ #define LEMTU 1518 #define LEMINSIZE 60 /* should be 64 if mode DTCR is set */ #define LERBUF 8 #define LERBUFLOG2 3 #define LE_RLEN (LERBUFLOG2 << 13) #define LE_NEXTRMD(x) (((x) + 1) & (LERBUF - 1)) #define LETBUF 1 #define LETBUFLOG2 0 #define LE_TLEN (LETBUFLOG2 << 13) #define LE_NEXTTMD(x) (((x) + 1) & (LETBUF - 1)) /* Local Area Network Controller for Ethernet (LANCE) registers */ struct lereg { volatile uint16_t ler_rdp; /* register data port */ uint16_t unused; volatile uint16_t ler_rap; /* register address port */ }; /* * lance memory */ /* receive message descriptors. bits/hadr are byte order dependent. */ struct lermd_v { volatile uint16_t rmd0; /* low address of packet */ #if BYTE_ORDER == BIG_ENDIAN volatile uint8_t rmd1_bits; /* descriptor bits */ volatile uint8_t rmd1_hadr; /* high address of packet */ #else volatile uint8_t rmd1_hadr; /* high address of packet */ volatile uint8_t rmd1_bits; /* descriptor bits */ #endif volatile int16_t rmd2; /* buffer byte count */ volatile uint16_t rmd3; /* message byte count */ }; /* transmit message descriptors */ struct letmd_v { volatile uint16_t tmd0; /* low address of packet */ #if BYTE_ORDER == BIG_ENDIAN volatile uint8_t tmd1_bits; /* descriptor bits */ volatile uint8_t tmd1_hadr; /* high address of packet */ #else volatile uint8_t tmd1_hadr; /* high address of packet */ volatile uint8_t tmd1_bits; /* descriptor bits */ #endif volatile int16_t tmd2; /* buffer byte count */ volatile uint16_t tmd3; /* transmit error bits */ }; struct lemem { /* initialization block */ volatile uint16_t lem_mode; /* mode */ volatile uint16_t lem_padr[3]; /* physical address */ volatile uint16_t lem_ladrf[4]; /* logical address filter */ volatile uint16_t lem_rdra; /* receive descriptor addr */ volatile uint16_t lem_rlen; /* rda high and ring size */ volatile uint16_t lem_tdra; /* transmit descriptor addr */ volatile uint16_t lem_tlen; /* tda high and ring size */ uint16_t lem_pad0[4]; struct lermd_v lem_rmd[LERBUF]; struct letmd_v lem_tmd[LETBUF]; volatile uint8_t lem_rbuf[LERBUF][LEMTU]; volatile uint8_t lem_tbuf[LETBUF][LEMTU]; }; struct le_softc { struct lereg *sc_reg; struct lemem *sc_mem; uint8_t sc_enaddr[6]; int sc_curtmd; int sc_currmd; };