if_media.h revision 1.21 1 /* $NetBSD: if_media.h,v 1.21 2000/02/16 18:03:14 thorpej Exp $ */
2
3 /*-
4 * Copyright (c) 1998, 2000 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
9 * 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 /*
41 * Copyright (c) 1997
42 * Jonathan Stone and Jason R. Thorpe. All rights reserved.
43 *
44 * This software is derived from information provided by Matt Thomas.
45 *
46 * Redistribution and use in source and binary forms, with or without
47 * modification, are permitted provided that the following conditions
48 * are met:
49 * 1. Redistributions of source code must retain the above copyright
50 * notice, this list of conditions and the following disclaimer.
51 * 2. Redistributions in binary form must reproduce the above copyright
52 * notice, this list of conditions and the following disclaimer in the
53 * documentation and/or other materials provided with the distribution.
54 * 3. All advertising materials mentioning features or use of this software
55 * must display the following acknowledgement:
56 * This product includes software developed by Jonathan Stone
57 * and Jason R. Thorpe for the NetBSD Project.
58 * 4. The names of the authors may not be used to endorse or promote products
59 * derived from this software without specific prior written permission.
60 *
61 * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR
62 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
63 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
64 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
65 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
66 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
67 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
68 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
69 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
70 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
71 * SUCH DAMAGE.
72 */
73
74 #ifndef _NET_IF_MEDIA_H_
75 #define _NET_IF_MEDIA_H_
76
77 /*
78 * Prototypes and definitions for BSD/OS-compatible network interface
79 * media selection.
80 *
81 * Where it is safe to do so, this code strays slightly from the BSD/OS
82 * design. Software which uses the API (device drivers, basically)
83 * shouldn't notice any difference.
84 *
85 * Many thanks to Matt Thomas for providing the information necessary
86 * to implement this interface.
87 */
88
89 #ifdef _KERNEL
90
91 #include <sys/queue.h>
92
93 /*
94 * Driver callbacks for media status and change requests.
95 */
96 typedef int (*ifm_change_cb_t) __P((struct ifnet *ifp));
97 typedef void (*ifm_stat_cb_t) __P((struct ifnet *ifp, struct ifmediareq *req));
98
99 /*
100 * In-kernel representation of a single supported media type.
101 */
102 struct ifmedia_entry {
103 TAILQ_ENTRY(ifmedia_entry) ifm_list;
104 int ifm_media; /* description of this media attachment */
105 int ifm_data; /* for driver-specific use */
106 void *ifm_aux; /* for driver-specific use */
107 };
108
109 /*
110 * One of these goes into a network interface's softc structure.
111 * It is used to keep general media state.
112 */
113 struct ifmedia {
114 int ifm_mask; /* mask of changes we don't care about */
115 int ifm_media; /* current user-set media word */
116 struct ifmedia_entry *ifm_cur; /* currently selected media */
117 TAILQ_HEAD(, ifmedia_entry) ifm_list; /* list of all supported media */
118 ifm_change_cb_t ifm_change; /* media change driver callback */
119 ifm_stat_cb_t ifm_status; /* media status driver callback */
120 };
121
122 /* Initialize an interface's struct if_media field. */
123 void ifmedia_init __P((struct ifmedia *ifm, int dontcare_mask,
124 ifm_change_cb_t change_callback, ifm_stat_cb_t status_callback));
125
126 /* Add one supported medium to a struct ifmedia. */
127 void ifmedia_add __P((struct ifmedia *ifm, int mword, int data, void *aux));
128
129 /* Add an array (of ifmedia_entry) media to a struct ifmedia. */
130 void ifmedia_list_add(struct ifmedia *mp, struct ifmedia_entry *lp,
131 int count);
132
133 /* Set default media type on initialization. */
134 void ifmedia_set __P((struct ifmedia *ifm, int mword));
135
136 /* Common ioctl function for getting/setting media, called by driver. */
137 int ifmedia_ioctl __P((struct ifnet *ifp, struct ifreq *ifr,
138 struct ifmedia *ifm, u_long cmd));
139
140 /* Look up a media entry. */
141 struct ifmedia_entry *ifmedia_match __P((struct ifmedia *ifm, int flags,
142 int mask));
143
144 /* Delete all media for a given media instance */
145 void ifmedia_delete_instance __P((struct ifmedia *, int));
146
147 #endif /*_KERNEL */
148
149 /*
150 * if_media Options word:
151 * Bits Use
152 * ---- -------
153 * 0-4 Media subtype MAX SUBTYPE == 31!
154 * 5-7 Media type
155 * 8-15 Type specific options
156 * 16-19 RFU
157 * 20-27 Shared (global) options
158 * 28-31 Instance
159 */
160
161 /*
162 * Ethernet
163 */
164 #define IFM_ETHER 0x00000020
165 #define IFM_10_T 3 /* 10BaseT - RJ45 */
166 #define IFM_10_2 4 /* 10Base2 - Thinnet */
167 #define IFM_10_5 5 /* 10Base5 - AUI */
168 #define IFM_100_TX 6 /* 100BaseTX - RJ45 */
169 #define IFM_100_FX 7 /* 100BaseFX - Fiber */
170 #define IFM_100_T4 8 /* 100BaseT4 - 4 pair cat 3 */
171 #define IFM_100_VG 9 /* 100VG-AnyLAN */
172 #define IFM_100_T2 10 /* 100BaseT2 */
173 #define IFM_1000_SX 11 /* 1000BaseSX - multi-mode fiber */
174 #define IFM_10_STP 12 /* 10BaseT over shielded TP */
175 #define IFM_10_FL 13 /* 10BaseFL - Fiber */
176 #define IFM_1000_LX 14 /* 1000baseLX - single-mode fiber */
177 #define IFM_1000_CX 15 /* 1000baseCX - 150ohm STP */
178 #define IFM_1000_TX 16 /* 1000baseTX - 4 pair cat 5 */
179 #define IFM_HPNA_1 17 /* HomePNA 1.0 (1Mb/s) */
180
181 /*
182 * Token ring
183 */
184 #define IFM_TOKEN 0x00000040
185 #define IFM_TOK_STP4 3 /* Shielded twisted pair 4m - DB9 */
186 #define IFM_TOK_STP16 4 /* Shielded twisted pair 16m - DB9 */
187 #define IFM_TOK_UTP4 5 /* Unshielded twisted pair 4m - RJ45 */
188 #define IFM_TOK_UTP16 6 /* Unshielded twisted pair 16m - RJ45 */
189 #define IFM_TOK_ETR 0x00000200 /* Early token release */
190 #define IFM_TOK_SRCRT 0x00000400 /* Enable source routing features */
191 #define IFM_TOK_ALLR 0x00000800 /* All routes / Single route bcast */
192
193 /*
194 * FDDI
195 */
196 #define IFM_FDDI 0x00000060
197 #define IFM_FDDI_SMF 3 /* Single-mode fiber */
198 #define IFM_FDDI_MMF 4 /* Multi-mode fiber */
199 #define IFM_FDDI_UTP 5 /* CDDI / UTP */
200 #define IFM_FDDI_DA 0x00000100 /* Dual attach / single attach */
201
202 /*
203 * IEEE 802.11 Wireless
204 */
205 #define IFM_IEEE80211 0x00000080
206 #define IFM_IEEE80211_FH1 3 /* Frequency Hopping 1Mbps */
207 #define IFM_IEEE80211_FH2 4 /* Frequency Hopping 2Mbps */
208 #define IFM_IEEE80211_DS2 5 /* Direct Sequence 2Mbps */
209 #define IFM_IEEE80211_DS5 6 /* Direct Sequence 5Mbps*/
210 #define IFM_IEEE80211_DS11 7 /* Direct Sequence 11Mbps*/
211 #define IFM_IEEE80211_ADHOC 0x00000100 /* Operate in Adhoc mode */
212
213 /*
214 * Shared media sub-types
215 */
216 #define IFM_AUTO 0 /* Autoselect best media */
217 #define IFM_MANUAL 1 /* Jumper/dipswitch selects media */
218 #define IFM_NONE 2 /* Deselect all media */
219
220 /*
221 * Shared options
222 */
223 #define IFM_FDX 0x00100000 /* Force full duplex */
224 #define IFM_HDX 0x00200000 /* Force half duplex */
225 #define IFM_FLOW 0x00400000 /* enable hardware flow control */
226 #define IFM_FLAG0 0x01000000 /* Driver defined flag */
227 #define IFM_FLAG1 0x02000000 /* Driver defined flag */
228 #define IFM_FLAG2 0x04000000 /* Driver defined flag */
229 #define IFM_LOOP 0x08000000 /* Put hardware in loopback */
230
231 /*
232 * Masks
233 */
234 #define IFM_NMASK 0x000000e0 /* Network type */
235 #define IFM_TMASK 0x0000001f /* Media sub-type */
236 #define IFM_IMASK 0xf0000000 /* Instance */
237 #define IFM_ISHIFT 28 /* Instance shift */
238 #define IFM_OMASK 0x0000ff00 /* Type specific options */
239 #define IFM_GMASK 0x0ff00000 /* Global options */
240
241 #define IFM_NMIN IFM_ETHER /* lowest Network type */
242 #define IFM_NMAX IFM_NMASK /* highest Network type */
243
244 /*
245 * Status bits
246 */
247 #define IFM_AVALID 0x00000001 /* Active bit valid */
248 #define IFM_ACTIVE 0x00000002 /* Interface attached to working net */
249
250 /* Mask of "status valid" bits, for ifconfig(8). */
251 #define IFM_STATUS_VALID IFM_AVALID
252
253 /* List of "status valid" bits, for ifconfig(8). */
254 #define IFM_STATUS_VALID_LIST { \
255 IFM_AVALID, \
256 0, \
257 }
258
259 /*
260 * Macros to extract various bits of information from the media word.
261 */
262 #define IFM_TYPE(x) ((x) & IFM_NMASK)
263 #define IFM_SUBTYPE(x) ((x) & IFM_TMASK)
264 #define IFM_INST(x) (((x) & IFM_IMASK) >> IFM_ISHIFT)
265 #define IFM_OPTIONS(x) ((x) & (IFM_OMASK|IFM_GMASK))
266
267 #define IFM_INST_MAX IFM_INST(IFM_IMASK)
268 #define IFM_INST_ANY -1
269
270 /*
271 * Macro to create a media word.
272 */
273 #define IFM_MAKEWORD(type, subtype, options, instance) \
274 ((type) | (subtype) | (options) | ((instance) << IFM_ISHIFT))
275
276 /*
277 * NetBSD extension not defined in the BSDI API. This is used in various
278 * places to get the canonical description for a given type/subtype.
279 *
280 * In the subtype and mediaopt descriptions, the valid TYPE bits are OR'd
281 * in to indicate which TYPE the subtype/option corresponds to. If no
282 * TYPE is present, it is a shared media/mediaopt.
283 *
284 * Note that these are parsed case-insensitive.
285 *
286 * Order is important. The first matching entry is the canonical name
287 * for a media type; subsequent matches are aliases.
288 */
289 struct ifmedia_description {
290 int ifmt_word; /* word value; may be masked */
291 const char *ifmt_string; /* description */
292 };
293
294 #define IFM_TYPE_DESCRIPTIONS { \
295 { IFM_ETHER, "Ethernet" }, \
296 { IFM_ETHER, "ether" }, \
297 { IFM_TOKEN, "TokenRing" }, \
298 { IFM_TOKEN, "token" }, \
299 { IFM_FDDI, "FDDI" }, \
300 { IFM_IEEE80211, "IEEE802.11" }, \
301 { 0, NULL }, \
302 }
303
304 #define IFM_TYPE_MATCH(dt, t) \
305 (IFM_TYPE((dt)) == 0 || IFM_TYPE((dt)) == IFM_TYPE((t)))
306
307 #define IFM_SUBTYPE_DESCRIPTIONS { \
308 { IFM_AUTO, "autoselect" }, \
309 { IFM_AUTO, "auto" }, \
310 { IFM_MANUAL, "manual" }, \
311 { IFM_NONE, "none" }, \
312 \
313 { IFM_ETHER|IFM_10_T, "10baseT" }, \
314 { IFM_ETHER|IFM_10_T, "10baseT/UTP" }, \
315 { IFM_ETHER|IFM_10_T, "UTP" }, \
316 { IFM_ETHER|IFM_10_T, "10UTP" }, \
317 { IFM_ETHER|IFM_10_2, "10base2" }, \
318 { IFM_ETHER|IFM_10_2, "10base2/BNC" }, \
319 { IFM_ETHER|IFM_10_2, "BNC" }, \
320 { IFM_ETHER|IFM_10_2, "10BNC" }, \
321 { IFM_ETHER|IFM_10_5, "10base5" }, \
322 { IFM_ETHER|IFM_10_5, "10base5/AUI" }, \
323 { IFM_ETHER|IFM_10_5, "AUI" }, \
324 { IFM_ETHER|IFM_10_5, "10AUI" }, \
325 { IFM_ETHER|IFM_100_TX, "100baseTX" }, \
326 { IFM_ETHER|IFM_100_TX, "100TX" }, \
327 { IFM_ETHER|IFM_100_FX, "100baseFX" }, \
328 { IFM_ETHER|IFM_100_FX, "100FX" }, \
329 { IFM_ETHER|IFM_100_T4, "100baseT4" }, \
330 { IFM_ETHER|IFM_100_T4, "100T4" }, \
331 { IFM_ETHER|IFM_100_VG, "100baseVG" }, \
332 { IFM_ETHER|IFM_100_VG, "100VG" }, \
333 { IFM_ETHER|IFM_100_T2, "100baseT2" }, \
334 { IFM_ETHER|IFM_100_T2, "100T2" }, \
335 { IFM_ETHER|IFM_1000_SX, "1000baseSX" }, \
336 { IFM_ETHER|IFM_1000_SX, "1000SX" }, \
337 { IFM_ETHER|IFM_10_STP, "10baseSTP" }, \
338 { IFM_ETHER|IFM_10_STP, "STP" }, \
339 { IFM_ETHER|IFM_10_STP, "10STP" }, \
340 { IFM_ETHER|IFM_10_FL, "10baseFL" }, \
341 { IFM_ETHER|IFM_10_FL, "FL" }, \
342 { IFM_ETHER|IFM_10_FL, "10FL" }, \
343 { IFM_ETHER|IFM_1000_LX, "1000baseLX" }, \
344 { IFM_ETHER|IFM_1000_LX, "1000LX" }, \
345 { IFM_ETHER|IFM_1000_CX, "1000baseCX" }, \
346 { IFM_ETHER|IFM_1000_CX, "1000CX" }, \
347 { IFM_ETHER|IFM_1000_TX, "1000baseTX" }, \
348 { IFM_ETHER|IFM_1000_TX, "1000TX" }, \
349 { IFM_ETHER|IFM_HPNA_1, "HomePNA1" }, \
350 { IFM_ETHER|IFM_HPNA_1, "HPNA1" }, \
351 \
352 { IFM_TOKEN|IFM_TOK_STP4, "DB9/4Mbit" }, \
353 { IFM_TOKEN|IFM_TOK_STP4, "4STP" }, \
354 { IFM_TOKEN|IFM_TOK_STP16, "DB9/16Mbit" }, \
355 { IFM_TOKEN|IFM_TOK_STP16, "16STP" }, \
356 { IFM_TOKEN|IFM_TOK_UTP4, "UTP/4Mbit" }, \
357 { IFM_TOKEN|IFM_TOK_UTP4, "4UTP" }, \
358 { IFM_TOKEN|IFM_TOK_UTP16, "UTP/16Mbit" }, \
359 { IFM_TOKEN|IFM_TOK_UTP16, "16UTP" }, \
360 \
361 { IFM_FDDI|IFM_FDDI_SMF, "Single-mode" }, \
362 { IFM_FDDI|IFM_FDDI_SMF, "SMF" }, \
363 { IFM_FDDI|IFM_FDDI_MMF, "Multi-mode" }, \
364 { IFM_FDDI|IFM_FDDI_MMF, "MMF" }, \
365 { IFM_FDDI|IFM_FDDI_UTP, "UTP" }, \
366 { IFM_FDDI|IFM_FDDI_UTP, "CDDI" }, \
367 \
368 /* \
369 * Short-hand for common media+option combos. \
370 */ \
371 { IFM_ETHER|IFM_10_T|IFM_FDX, "10baseT-FDX" }, \
372 { IFM_ETHER|IFM_100_TX|IFM_FDX, "100baseTX-FDX" }, \
373 \
374 /* \
375 * IEEE 802.11 \
376 */ \
377 { IFM_IEEE80211|IFM_IEEE80211_FH1, "FH1" }, \
378 { IFM_IEEE80211|IFM_IEEE80211_FH2, "FH2" }, \
379 { IFM_IEEE80211|IFM_IEEE80211_DS2, "DS2" }, \
380 { IFM_IEEE80211|IFM_IEEE80211_DS5, "DS5" }, \
381 { IFM_IEEE80211|IFM_IEEE80211_DS11, "DS11" }, \
382 \
383 { 0, NULL }, \
384 }
385
386 #define IFM_OPTION_DESCRIPTIONS { \
387 { IFM_FDX, "full-duplex" }, \
388 { IFM_FDX, "fdx" }, \
389 { IFM_HDX, "half-duplex" }, \
390 { IFM_HDX, "hdx" }, \
391 { IFM_FLAG0, "flag0" }, \
392 { IFM_FLAG1, "flag1" }, \
393 { IFM_FLAG2, "flag2" }, \
394 { IFM_LOOP, "loopback" }, \
395 { IFM_LOOP, "hw-loopback"}, \
396 { IFM_LOOP, "loop" }, \
397 \
398 { IFM_TOKEN|IFM_TOK_ETR, "EarlyTokenRelease" }, \
399 { IFM_TOKEN|IFM_TOK_ETR, "ETR" }, \
400 { IFM_TOKEN|IFM_TOK_SRCRT, "SourceRouting" }, \
401 { IFM_TOKEN|IFM_TOK_SRCRT, "SRCRT" }, \
402 { IFM_TOKEN|IFM_TOK_ALLR, "AllRoutes" }, \
403 { IFM_TOKEN|IFM_TOK_ALLR, "ALLR" }, \
404 \
405 { IFM_FDDI|IFM_FDDI_DA, "dual-attach" }, \
406 { IFM_FDDI|IFM_FDDI_DA, "das" }, \
407 \
408 { IFM_IEEE80211|IFM_IEEE80211_ADHOC, "adhoc" }, \
409 \
410 { 0, NULL }, \
411 }
412
413 /*
414 * Status bit descriptions for the various media types.
415 */
416 struct ifmedia_status_description {
417 int ifms_type;
418 int ifms_valid;
419 int ifms_bit;
420 const char *ifms_string[2];
421 };
422
423 #define IFM_STATUS_DESC(ifms, bit) \
424 (ifms)->ifms_string[((ifms)->ifms_bit & (bit)) ? 1 : 0]
425
426 #define IFM_STATUS_DESCRIPTIONS { \
427 { IFM_ETHER, IFM_AVALID, IFM_ACTIVE, \
428 { "no carrier", "active" } }, \
429 \
430 { IFM_FDDI, IFM_AVALID, IFM_ACTIVE, \
431 { "no ring", "inserted" } }, \
432 \
433 { IFM_TOKEN, IFM_AVALID, IFM_ACTIVE, \
434 { "no ring", "inserted" } }, \
435 \
436 { IFM_IEEE80211, IFM_AVALID, IFM_ACTIVE, \
437 { "no network", "active" } }, \
438 \
439 { 0, 0, 0, \
440 { NULL, NULL } }, \
441 }
442
443 #endif /* _NET_IF_MEDIA_H_ */
444