1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
|
/* $OpenBSD: if_vevar.h,v 1.3 2002/03/14 01:26:39 millert Exp $ */
/*
* Copyright (c) 1995 Charles M. Hannum. 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 by Charles M. Hannum.
* 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 LEDEBUG 1
/*
* Ethernet software status per device.
*
* Each interface is referenced by a network interface structure,
* arpcom.ac_if, which the routing code uses to locate the interface.
* This structure contains the output queue for the interface, its address, ...
*
* NOTE: this structure MUST be the first element in machine-dependent
* le_softc structures! This is designed SPECIFICALLY to make it possible
* to simply cast a "void *" to "struct le_softc *" or to
* "struct ve_softc *". Among other things, this saves a lot of hair
* in the interrupt handlers.
*/
struct vam7990_softc {
struct device sc_dev; /* base device glue */
struct arpcom sc_arpcom; /* Ethernet common part */
/*
* Memory functions:
*
* copy to/from descriptor
* copy to/from buffer
* zero bytes in buffer
*/
void (*sc_copytodesc)(struct vam7990_softc *, void *, int, int);
void (*sc_copyfromdesc)(struct vam7990_softc *, void *, int, int);
void (*sc_copytobuf)(struct vam7990_softc *, void *, int, int);
void (*sc_copyfrombuf)(struct vam7990_softc *, void *, int, int);
void (*sc_zerobuf)(struct vam7990_softc *, int, int);
/*
* Machine-dependent functions:
*
* read/write CSR
* hardware reset hook - may be NULL
* hardware init hook - may be NULL
* no carrier hook - may be NULL
*/
u_int16_t (*sc_rdcsr)(struct vam7990_softc *, u_int16_t);
void (*sc_wrcsr)(struct vam7990_softc *, u_int16_t, u_int16_t);
void (*sc_hwreset)(struct vam7990_softc *);
void (*sc_hwinit)(struct vam7990_softc *);
void (*sc_nocarrier)(struct vam7990_softc *);
int sc_hasifmedia;
struct ifmedia sc_ifmedia;
void *sc_sh; /* shutdownhook cookie */
u_int16_t sc_conf3; /* CSR3 value */
void *sc_mem; /* base address of RAM -- CPU's view */
u_long sc_addr; /* base address of RAM -- LANCE's view */
u_long sc_memsize; /* size of RAM */
int sc_nrbuf; /* number of receive buffers */
int sc_ntbuf; /* number of transmit buffers */
int sc_last_rd;
int sc_first_td, sc_last_td, sc_no_td;
int sc_initaddr;
int sc_rmdaddr;
int sc_tmdaddr;
int sc_rbufaddr;
int sc_tbufaddr;
unsigned short csr;
#ifdef LEDEBUG
int sc_debug;
#endif
};
/* Export this to machine-dependent drivers. */
extern struct cfdriver ve_cd;
void ve_config(struct vam7990_softc *);
void ve_init(struct vam7990_softc *);
int ve_ioctl(struct ifnet *, u_long, caddr_t);
void ve_meminit(struct vam7990_softc *);
void ve_reset(struct vam7990_softc *);
void ve_setladrf(struct arpcom *, u_int16_t *);
void ve_start(struct ifnet *);
void ve_stop(struct vam7990_softc *);
void ve_watchdog(struct ifnet *);
int ve_intr(void *);
/*
* The following functions are only useful on certain cpu/bus
* combinations. They should be written in assembly language for
* maximum efficiency, but machine-independent versions are provided
* for drivers that have not yet been optimized.
*/
void ve_copytobuf_contig(struct vam7990_softc *, void *, int, int);
void ve_copyfrombuf_contig(struct vam7990_softc *, void *, int, int);
void ve_zerobuf_contig(struct vam7990_softc *, int, int);
|
