1/* $NetBSD: lancevar.h,v 1.10 2005/12/11 12:21:27 christos Exp $ */
2
3/*-
4 * Copyright (c) 1997, 1998 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Charles M. Hannum and by Jason R. Thorpe of the Numerical Aerospace
9 * Simulation Facility, NASA Ames Research Center.
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 NetBSD
22 * Foundation, Inc. and its contributors.
23 * 4. Neither the name of The NetBSD Foundation nor the names of its
24 * contributors may be used to endorse or promote products derived
25 * from this software without specific prior written permission.
26 *
27 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
28 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
29 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
30 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
31 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
32 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
33 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
34 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
35 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
36 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
37 * POSSIBILITY OF SUCH DAMAGE.
38 */
39
| 1/* $NetBSD: lancevar.h,v 1.10 2005/12/11 12:21:27 christos Exp $ */
2
3/*-
4 * Copyright (c) 1997, 1998 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Charles M. Hannum and by Jason R. Thorpe of the Numerical Aerospace
9 * Simulation Facility, NASA Ames Research Center.
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 NetBSD
22 * Foundation, Inc. and its contributors.
23 * 4. Neither the name of The NetBSD Foundation nor the names of its
24 * contributors may be used to endorse or promote products derived
25 * from this software without specific prior written permission.
26 *
27 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
28 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
29 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
30 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
31 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
32 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
33 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
34 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
35 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
36 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
37 * POSSIBILITY OF SUCH DAMAGE.
38 */
39
|
40/* $FreeBSD: head/sys/dev/le/lancevar.h 155093 2006-01-31 14:48:58Z marius $ */
| 40/* $FreeBSD: head/sys/dev/le/lancevar.h 158663 2006-05-16 21:04:01Z marius $ */
|
41
42#ifndef _DEV_LE_LANCEVAR_H_
43#define _DEV_LE_LANCEVAR_H_
44
| 41
42#ifndef _DEV_LE_LANCEVAR_H_
43#define _DEV_LE_LANCEVAR_H_
44
|
45#define LE_DRIVER_NAME "le"
46
| |
47extern devclass_t le_devclass;
48
49struct lance_softc {
50 struct ifnet *sc_ifp;
51 struct ifmedia sc_media;
52 struct mtx sc_mtx;
53
54 /*
55 * Memory functions:
56 *
57 * copy to/from descriptor
58 * copy to/from buffer
59 * zero bytes in buffer
60 */
61 void (*sc_copytodesc)(struct lance_softc *, void *, int, int);
62 void (*sc_copyfromdesc)(struct lance_softc *, void *, int, int);
63 void (*sc_copytobuf)(struct lance_softc *, void *, int, int);
64 void (*sc_copyfrombuf)(struct lance_softc *, void *, int, int);
65 void (*sc_zerobuf)(struct lance_softc *, int, int);
66
67 /*
68 * Machine-dependent functions:
69 *
70 * read/write CSR
71 * hardware reset hook - may be NULL
72 * hardware init hook - may be NULL
73 * no carrier hook - may be NULL
74 * media change hook - may be NULL
75 */
76 uint16_t (*sc_rdcsr)(struct lance_softc *, uint16_t);
77 void (*sc_wrcsr)(struct lance_softc *, uint16_t, uint16_t);
78 void (*sc_hwreset)(struct lance_softc *);
79 void (*sc_hwinit)(struct lance_softc *);
80 int (*sc_hwintr)(struct lance_softc *);
81 void (*sc_nocarrier)(struct lance_softc *);
82 int (*sc_mediachange)(struct lance_softc *);
83 void (*sc_mediastatus)(struct lance_softc *, struct ifmediareq *);
84
85 /*
86 * Media-supported by this interface. If this is NULL,
87 * the only supported media is assumed to be "manual".
88 */
89 const int *sc_supmedia;
90 int sc_nsupmedia;
91 int sc_defaultmedia;
92
93 uint16_t sc_conf3; /* CSR3 value */
94
| 45extern devclass_t le_devclass;
46
47struct lance_softc {
48 struct ifnet *sc_ifp;
49 struct ifmedia sc_media;
50 struct mtx sc_mtx;
51
52 /*
53 * Memory functions:
54 *
55 * copy to/from descriptor
56 * copy to/from buffer
57 * zero bytes in buffer
58 */
59 void (*sc_copytodesc)(struct lance_softc *, void *, int, int);
60 void (*sc_copyfromdesc)(struct lance_softc *, void *, int, int);
61 void (*sc_copytobuf)(struct lance_softc *, void *, int, int);
62 void (*sc_copyfrombuf)(struct lance_softc *, void *, int, int);
63 void (*sc_zerobuf)(struct lance_softc *, int, int);
64
65 /*
66 * Machine-dependent functions:
67 *
68 * read/write CSR
69 * hardware reset hook - may be NULL
70 * hardware init hook - may be NULL
71 * no carrier hook - may be NULL
72 * media change hook - may be NULL
73 */
74 uint16_t (*sc_rdcsr)(struct lance_softc *, uint16_t);
75 void (*sc_wrcsr)(struct lance_softc *, uint16_t, uint16_t);
76 void (*sc_hwreset)(struct lance_softc *);
77 void (*sc_hwinit)(struct lance_softc *);
78 int (*sc_hwintr)(struct lance_softc *);
79 void (*sc_nocarrier)(struct lance_softc *);
80 int (*sc_mediachange)(struct lance_softc *);
81 void (*sc_mediastatus)(struct lance_softc *, struct ifmediareq *);
82
83 /*
84 * Media-supported by this interface. If this is NULL,
85 * the only supported media is assumed to be "manual".
86 */
87 const int *sc_supmedia;
88 int sc_nsupmedia;
89 int sc_defaultmedia;
90
91 uint16_t sc_conf3; /* CSR3 value */
92
|
95 void *sc_mem; /* base address of RAM -- CPU's view */
96 u_long sc_addr; /* base address of RAM -- LANCE's view */
| 93 void *sc_mem; /* base address of RAM - CPU's view */
94 bus_addr_t sc_addr; /* base address of RAM - LANCE's view */
|
97
| 95
|
98 u_long sc_memsize; /* size of RAM */
| 96 bus_size_t sc_memsize; /* size of RAM */
|
99
100 int sc_nrbuf; /* number of receive buffers */
101 int sc_ntbuf; /* number of transmit buffers */
102 int sc_last_rd;
103 int sc_first_td;
104 int sc_last_td;
105 int sc_no_td;
106
107 int sc_initaddr;
108 int sc_rmdaddr;
109 int sc_tmdaddr;
110 int sc_rbufaddr;
111 int sc_tbufaddr;
112
113 uint8_t sc_enaddr[ETHER_ADDR_LEN];
114
115 void (*sc_meminit)(struct lance_softc *);
116 void (*sc_start_locked)(struct lance_softc *);
117
118 int sc_flags;
119#define LE_ALLMULTI (1 << 0)
120#define LE_BSWAP (1 << 1)
121#define LE_CARRIER (1 << 2)
122#define LE_DEBUG (1 << 3)
123#define LE_PROMISC (1 << 4)
124};
125
126#define LE_LOCK_INIT(_sc, _name) \
127 mtx_init(&(_sc)->sc_mtx, _name, MTX_NETWORK_LOCK, MTX_DEF)
128#define LE_LOCK_INITIALIZED(_sc) mtx_initialized(&(_sc)->sc_mtx)
129#define LE_LOCK(_sc) mtx_lock(&(_sc)->sc_mtx)
130#define LE_UNLOCK(_sc) mtx_unlock(&(_sc)->sc_mtx)
131#define LE_LOCK_ASSERT(_sc, _what) mtx_assert(&(_sc)->sc_mtx, (_what))
132#define LE_LOCK_DESTROY(_sc) mtx_destroy(&(_sc)->sc_mtx)
133
| 97
98 int sc_nrbuf; /* number of receive buffers */
99 int sc_ntbuf; /* number of transmit buffers */
100 int sc_last_rd;
101 int sc_first_td;
102 int sc_last_td;
103 int sc_no_td;
104
105 int sc_initaddr;
106 int sc_rmdaddr;
107 int sc_tmdaddr;
108 int sc_rbufaddr;
109 int sc_tbufaddr;
110
111 uint8_t sc_enaddr[ETHER_ADDR_LEN];
112
113 void (*sc_meminit)(struct lance_softc *);
114 void (*sc_start_locked)(struct lance_softc *);
115
116 int sc_flags;
117#define LE_ALLMULTI (1 << 0)
118#define LE_BSWAP (1 << 1)
119#define LE_CARRIER (1 << 2)
120#define LE_DEBUG (1 << 3)
121#define LE_PROMISC (1 << 4)
122};
123
124#define LE_LOCK_INIT(_sc, _name) \
125 mtx_init(&(_sc)->sc_mtx, _name, MTX_NETWORK_LOCK, MTX_DEF)
126#define LE_LOCK_INITIALIZED(_sc) mtx_initialized(&(_sc)->sc_mtx)
127#define LE_LOCK(_sc) mtx_lock(&(_sc)->sc_mtx)
128#define LE_UNLOCK(_sc) mtx_unlock(&(_sc)->sc_mtx)
129#define LE_LOCK_ASSERT(_sc, _what) mtx_assert(&(_sc)->sc_mtx, (_what))
130#define LE_LOCK_DESTROY(_sc) mtx_destroy(&(_sc)->sc_mtx)
131
|
| 132/*
133 * Unfortunately, manual byte swapping is only necessary for the PCnet-PCI
134 * variants but not for the original LANCE or ILACC so we cannot do this
135 * with #ifdefs resolved at compile time.
136 */
|
134#define LE_HTOLE16(v) (((sc)->sc_flags & LE_BSWAP) ? htole16(v) : (v))
135#define LE_HTOLE32(v) (((sc)->sc_flags & LE_BSWAP) ? htole32(v) : (v))
136#define LE_LE16TOH(v) (((sc)->sc_flags & LE_BSWAP) ? le16toh(v) : (v))
137#define LE_LE32TOH(v) (((sc)->sc_flags & LE_BSWAP) ? le32toh(v) : (v))
138
139int lance_config(struct lance_softc *, const char*, int);
140void lance_attach(struct lance_softc *);
141void lance_detach(struct lance_softc *);
142void lance_suspend(struct lance_softc *);
143void lance_resume(struct lance_softc *);
144void lance_init_locked(struct lance_softc *);
145int lance_put(struct lance_softc *, int, struct mbuf *);
| 137#define LE_HTOLE16(v) (((sc)->sc_flags & LE_BSWAP) ? htole16(v) : (v))
138#define LE_HTOLE32(v) (((sc)->sc_flags & LE_BSWAP) ? htole32(v) : (v))
139#define LE_LE16TOH(v) (((sc)->sc_flags & LE_BSWAP) ? le16toh(v) : (v))
140#define LE_LE32TOH(v) (((sc)->sc_flags & LE_BSWAP) ? le32toh(v) : (v))
141
142int lance_config(struct lance_softc *, const char*, int);
143void lance_attach(struct lance_softc *);
144void lance_detach(struct lance_softc *);
145void lance_suspend(struct lance_softc *);
146void lance_resume(struct lance_softc *);
147void lance_init_locked(struct lance_softc *);
148int lance_put(struct lance_softc *, int, struct mbuf *);
|
146void lance_read(struct lance_softc *, int, int);
| 149struct mbuf *lance_get(struct lance_softc *, int, int);
|
147void lance_setladrf(struct lance_softc *, u_int16_t *);
148
149/*
150 * The following functions are only useful on certain CPU/bus
151 * combinations. They should be written in assembly language for
152 * maximum efficiency, but machine-independent versions are provided
153 * for drivers that have not yet been optimized.
154 */
155void lance_copytobuf_contig(struct lance_softc *, void *, int, int);
156void lance_copyfrombuf_contig(struct lance_softc *, void *, int, int);
157void lance_zerobuf_contig(struct lance_softc *, int, int);
158
159#if 0 /* Example only - see lance.c */
160void lance_copytobuf_gap2(struct lance_softc *, void *, int, int);
161void lance_copyfrombuf_gap2(struct lance_softc *, void *, int, int);
162void lance_zerobuf_gap2(struct lance_softc *, int, int);
163
164void lance_copytobuf_gap16(struct lance_softc *, void *, int, int);
165void lance_copyfrombuf_gap16(struct lance_softc *, void *, int, int);
166void lance_zerobuf_gap16(struct lance_softc *, int, int);
167#endif /* Example only */
168
| 150void lance_setladrf(struct lance_softc *, u_int16_t *);
151
152/*
153 * The following functions are only useful on certain CPU/bus
154 * combinations. They should be written in assembly language for
155 * maximum efficiency, but machine-independent versions are provided
156 * for drivers that have not yet been optimized.
157 */
158void lance_copytobuf_contig(struct lance_softc *, void *, int, int);
159void lance_copyfrombuf_contig(struct lance_softc *, void *, int, int);
160void lance_zerobuf_contig(struct lance_softc *, int, int);
161
162#if 0 /* Example only - see lance.c */
163void lance_copytobuf_gap2(struct lance_softc *, void *, int, int);
164void lance_copyfrombuf_gap2(struct lance_softc *, void *, int, int);
165void lance_zerobuf_gap2(struct lance_softc *, int, int);
166
167void lance_copytobuf_gap16(struct lance_softc *, void *, int, int);
168void lance_copyfrombuf_gap16(struct lance_softc *, void *, int, int);
169void lance_zerobuf_gap16(struct lance_softc *, int, int);
170#endif /* Example only */
171
|
| 172/*
173 * Compare two Ether/802 addresses for equality, inlined and
174 * unrolled for speed. Use this like memcmp().
175 *
176 * XXX: Add <machine/inlines.h> for stuff like this?
177 * XXX: or maybe add it to libkern.h instead?
178 *
179 * "I'd love to have an inline assembler version of this."
180 * XXX: Who wanted that? mycroft? I wrote one, but this
181 * version in C is as good as hand-coded assembly. -gwr
182 *
183 * Please do NOT tweak this without looking at the actual
184 * assembly code generated before and after your tweaks!
185 */
186static inline uint16_t
187ether_cmp(void *one, void *two)
188{
189 uint16_t *a = (u_short *)one;
190 uint16_t *b = (u_short *)two;
191 uint16_t diff;
192
193#ifdef m68k
194 /*
195 * The post-increment-pointer form produces the best
196 * machine code for m68k. This was carefully tuned
197 * so it compiles to just 8 short (2-byte) op-codes!
198 */
199 diff = *a++ - *b++;
200 diff |= *a++ - *b++;
201 diff |= *a++ - *b++;
202#else
203 /*
204 * Most modern CPUs do better with a single expresion.
205 * Note that short-cut evaluation is NOT helpful here,
206 * because it just makes the code longer, not faster!
207 */
208 diff = (a[0] - b[0]) | (a[1] - b[1]) | (a[2] - b[2]);
209#endif
210
211 return (diff);
212}
213
|
169#endif /* _DEV_LE_LANCEVAR_H_ */
| 214#endif /* _DEV_LE_LANCEVAR_H_ */
|