if_levar.h revision 1.1 1 /* $NetBSD: if_levar.h,v 1.1 1995/12/11 01:59:19 mycroft Exp $ */
2
3 /*-
4 * Copyright (c) 1995 Charles M. Hannum. All rights reserved.
5 * Copyright (c) 1992, 1993
6 * The Regents of the University of California. All rights reserved.
7 *
8 * This code is derived from software contributed to Berkeley by
9 * Ralph Campbell and Rick Macklem.
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in the
18 * documentation and/or other materials provided with the distribution.
19 * 3. All advertising materials mentioning features or use of this software
20 * must display the following acknowledgement:
21 * This product includes software developed by the University of
22 * California, Berkeley and its contributors.
23 * 4. Neither the name of the University nor the names of its contributors
24 * may be used to endorse or promote products derived from this software
25 * without specific prior written permission.
26 *
27 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
28 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
29 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
30 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
31 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
32 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
33 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
34 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
35 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
36 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
37 * SUCH DAMAGE.
38 *
39 * @(#)if_le.c 8.2 (Berkeley) 11/16/93
40 */
41
42 /*
43 * Ethernet software status per interface.
44 *
45 * Each interface is referenced by a network interface structure,
46 * arpcom.ac_if, which the routing code uses to locate the interface.
47 * This structure contains the output queue for the interface, its address, ...
48 */
49 struct le_softc {
50 struct device sc_dev; /* base structure */
51 struct arpcom sc_arpcom; /* Ethernet common part */
52
53 void (*sc_copytodesc)(); /* Copy to descriptor */
54 void (*sc_copyfromdesc)(); /* Copy from descriptor */
55
56 void (*sc_copytobuf)(); /* Copy to buffer */
57 void (*sc_copyfrombuf)(); /* Copy from buffer */
58 void (*sc_zerobuf)(); /* and Zero bytes in buffer */
59
60 u_int16_t sc_conf3; /* CSR3 value */
61
62 void *sc_mem; /* base address of RAM -- CPU's view */
63 u_long sc_addr; /* base address of RAM -- LANCE's view */
64 u_long sc_memsize; /* size of RAM */
65
66 int sc_nrbuf; /* number of receive buffers */
67 int sc_ntbuf; /* number of transmit buffers */
68 int sc_last_rd;
69 int sc_first_td, sc_last_td, sc_no_td;
70
71 int sc_initaddr;
72 int sc_rmdaddr;
73 int sc_tmdaddr;
74 int sc_rbufaddr;
75 int sc_tbufaddr;
76
77 #ifdef LEDEBUG
78 int sc_debug;
79 #endif
80
81 struct lereg1 *sc_r1; /* LANCE registers */
82 };
83