if_media.h revision 114163
1/*	$NetBSD: if_media.h,v 1.3 1997/03/26 01:19:27 thorpej Exp $	*/
2/* $FreeBSD: head/sys/net/if_media.h 114163 2003-04-28 16:35:51Z sam $ */
3
4/*
5 * Copyright (c) 1997
6 *	Jonathan Stone and Jason R. Thorpe.  All rights reserved.
7 *
8 * This software is derived from information provided by Matt Thomas.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 *    notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 *    notice, this list of conditions and the following disclaimer in the
17 *    documentation and/or other materials provided with the distribution.
18 * 3. All advertising materials mentioning features or use of this software
19 *    must display the following acknowledgement:
20 *	This product includes software developed by Jonathan Stone
21 *	and Jason R. Thorpe for the NetBSD Project.
22 * 4. The names of the authors may not be used to endorse or promote products
23 *    derived from this software without specific prior written permission.
24 *
25 * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR
26 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
27 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
28 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
29 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
30 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
31 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
32 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
33 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
34 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
35 * SUCH DAMAGE.
36 */
37
38#ifndef _NET_IF_MEDIA_H_
39#define _NET_IF_MEDIA_H_
40
41/*
42 * Prototypes and definitions for BSD/OS-compatible network interface
43 * media selection.
44 *
45 * Where it is safe to do so, this code strays slightly from the BSD/OS
46 * design.  Software which uses the API (device drivers, basically)
47 * shouldn't notice any difference.
48 *
49 * Many thanks to Matt Thomas for providing the information necessary
50 * to implement this interface.
51 */
52
53#ifdef _KERNEL
54
55#include <sys/queue.h>
56
57/*
58 * Driver callbacks for media status and change requests.
59 */
60typedef	int (*ifm_change_cb_t)(struct ifnet *ifp);
61typedef	void (*ifm_stat_cb_t)(struct ifnet *ifp, struct ifmediareq *req);
62
63/*
64 * In-kernel representation of a single supported media type.
65 */
66struct ifmedia_entry {
67	LIST_ENTRY(ifmedia_entry) ifm_list;
68	int	ifm_media;	/* description of this media attachment */
69	int	ifm_data;	/* for driver-specific use */
70	void	*ifm_aux;	/* for driver-specific use */
71};
72
73/*
74 * One of these goes into a network interface's softc structure.
75 * It is used to keep general media state.
76 */
77struct ifmedia {
78	int	ifm_mask;	/* mask of changes we don't care about */
79	int	ifm_media;	/* current user-set media word */
80	struct ifmedia_entry *ifm_cur;	/* currently selected media */
81	LIST_HEAD(, ifmedia_entry) ifm_list; /* list of all supported media */
82	ifm_change_cb_t	ifm_change;	/* media change driver callback */
83	ifm_stat_cb_t	ifm_status;	/* media status driver callback */
84};
85
86/* Initialize an interface's struct if_media field. */
87void	ifmedia_init(struct ifmedia *ifm, int dontcare_mask,
88	    ifm_change_cb_t change_callback, ifm_stat_cb_t status_callback);
89
90/* Remove all mediums from a struct ifmedia.  */
91void	ifmedia_removeall( struct ifmedia *ifm);
92
93/* Add one supported medium to a struct ifmedia. */
94void	ifmedia_add(struct ifmedia *ifm, int mword, int data, void *aux);
95
96/* Add an array (of ifmedia_entry) media to a struct ifmedia. */
97void	ifmedia_list_add(struct ifmedia *mp, struct ifmedia_entry *lp,
98	    int count);
99
100/* Set default media type on initialization. */
101void	ifmedia_set(struct ifmedia *ifm, int mword);
102
103/* Common ioctl function for getting/setting media, called by driver. */
104int	ifmedia_ioctl(struct ifnet *ifp, struct ifreq *ifr,
105	    struct ifmedia *ifm, u_long cmd);
106
107#endif /*_KERNEL */
108
109/*
110 * if_media Options word:
111 *	Bits	Use
112 *	----	-------
113 *	0-4	Media variant
114 *	5-7	Media type
115 *	8-15	Type specific options
116 *	16-18	Mode (for multi-mode devices)
117 *	19	RFU
118 *	20-27	Shared (global) options
119 *	28-31	Instance
120 */
121
122/*
123 * Ethernet
124 */
125#define	IFM_ETHER	0x00000020
126#define	IFM_10_T	3		/* 10BaseT - RJ45 */
127#define	IFM_10_2	4		/* 10Base2 - Thinnet */
128#define	IFM_10_5	5		/* 10Base5 - AUI */
129#define	IFM_100_TX	6		/* 100BaseTX - RJ45 */
130#define	IFM_100_FX	7		/* 100BaseFX - Fiber */
131#define	IFM_100_T4	8		/* 100BaseT4 - 4 pair cat 3 */
132#define	IFM_100_VG	9		/* 100VG-AnyLAN */
133#define	IFM_100_T2	10		/* 100BaseT2 */
134#define	IFM_1000_SX	11		/* 1000BaseSX - multi-mode fiber */
135#define	IFM_10_STP	12		/* 10BaseT over shielded TP */
136#define	IFM_10_FL	13		/* 10BaseFL - Fiber */
137#define	IFM_1000_LX	14		/* 1000baseLX - single-mode fiber */
138#define	IFM_1000_CX	15		/* 1000baseCX - 150ohm STP */
139#define	IFM_1000_T	16		/* 1000baseT - 4 pair cat 5 */
140#define	IFM_HPNA_1	17		/* HomePNA 1.0 (1Mb/s) */
141/* note 31 is the max! */
142
143#define	IFM_ETH_MASTER	0x00000100	/* master mode (1000baseT) */
144
145/*
146 * Token ring
147 */
148#define	IFM_TOKEN	0x00000040
149#define	IFM_TOK_STP4	3		/* Shielded twisted pair 4m - DB9 */
150#define	IFM_TOK_STP16	4		/* Shielded twisted pair 16m - DB9 */
151#define	IFM_TOK_UTP4	5		/* Unshielded twisted pair 4m - RJ45 */
152#define	IFM_TOK_UTP16	6		/* Unshielded twisted pair 16m - RJ45 */
153#define	IFM_TOK_STP100  7		/* Shielded twisted pair 100m - DB9 */
154#define	IFM_TOK_UTP100  8		/* Unshielded twisted pair 100m - RJ45 */
155#define	IFM_TOK_ETR	0x00000200	/* Early token release */
156#define	IFM_TOK_SRCRT	0x00000400	/* Enable source routing features */
157#define	IFM_TOK_ALLR	0x00000800	/* All routes / Single route bcast */
158#define	IFM_TOK_DTR	0x00002000	/* Dedicated token ring */
159#define	IFM_TOK_CLASSIC	0x00004000	/* Classic token ring */
160#define	IFM_TOK_AUTO	0x00008000	/* Automatic Dedicate/Classic token ring */
161
162/*
163 * FDDI
164 */
165#define	IFM_FDDI	0x00000060
166#define	IFM_FDDI_SMF	3		/* Single-mode fiber */
167#define	IFM_FDDI_MMF	4		/* Multi-mode fiber */
168#define	IFM_FDDI_UTP	5		/* CDDI / UTP */
169#define	IFM_FDDI_DA	0x00000100	/* Dual attach / single attach */
170
171/*
172 * IEEE 802.11 Wireless
173 */
174#define	IFM_IEEE80211	0x00000080
175/* NB: 0,1,2 are auto, manual, none defined below */
176#define	IFM_IEEE80211_FH1	3	/* Frequency Hopping 1Mbps */
177#define	IFM_IEEE80211_FH2	4	/* Frequency Hopping 2Mbps */
178#define	IFM_IEEE80211_DS1	5	/* Direct Sequence 1Mbps */
179#define	IFM_IEEE80211_DS2	6	/* Direct Sequence 2Mbps */
180#define	IFM_IEEE80211_DS5	7	/* Direct Sequence 5.5Mbps */
181#define	IFM_IEEE80211_DS11	8	/* Direct Sequence 11Mbps */
182#define	IFM_IEEE80211_DS22	9	/* Direct Sequence 22Mbps */
183#define	IFM_IEEE80211_OFDM6	10	/* OFDM 6Mbps */
184#define	IFM_IEEE80211_OFDM9	11	/* OFDM 9Mbps */
185#define	IFM_IEEE80211_OFDM12	12	/* OFDM 12Mbps */
186#define	IFM_IEEE80211_OFDM18	13	/* OFDM 18Mbps */
187#define	IFM_IEEE80211_OFDM24	14	/* OFDM 24Mbps */
188#define	IFM_IEEE80211_OFDM36	15	/* OFDM 36Mbps */
189#define	IFM_IEEE80211_OFDM48	16	/* OFDM 48Mbps */
190#define	IFM_IEEE80211_OFDM54	17	/* OFDM 54Mbps */
191#define	IFM_IEEE80211_OFDM72	18	/* OFDM 72Mbps */
192#define	IFM_IEEE80211_ADHOC	0x00000100	/* Operate in Adhoc mode */
193#define	IFM_IEEE80211_HOSTAP	0x00000200	/* Operate in Host AP mode */
194#define	IFM_IEEE80211_IBSS	0x00000400	/* Operate in IBSS mode */
195#define	IFM_IEEE80211_IBSSMASTER 0x00000800	/* Operate as an IBSS master */
196#define	IFM_IEEE80211_TURBO	0x00001000	/* Operate in turbo mode */
197/* operating mode for multi-mode devices */
198#define	IFM_IEEE80211_11A	1	/* 5Ghz, OFDM mode */
199#define	IFM_IEEE80211_11B	2	/* Direct Sequence mode */
200#define	IFM_IEEE80211_11G	3	/* 2Ghz, CCK mode */
201
202/*
203 * Shared media sub-types
204 */
205#define	IFM_AUTO	0		/* Autoselect best media */
206#define	IFM_MANUAL	1		/* Jumper/dipswitch selects media */
207#define	IFM_NONE	2		/* Deselect all media */
208
209/*
210 * Shared options
211 */
212#define	IFM_FDX		0x00100000	/* Force full duplex */
213#define	IFM_HDX		0x00200000	/* Force half duplex */
214#define	IFM_FLAG0	0x01000000	/* Driver defined flag */
215#define	IFM_FLAG1	0x02000000	/* Driver defined flag */
216#define	IFM_FLAG2	0x04000000	/* Driver defined flag */
217#define	IFM_LOOP	0x08000000	/* Put hardware in loopback */
218
219/*
220 * Masks
221 */
222#define	IFM_NMASK	0x000000e0	/* Network type */
223#define	IFM_TMASK	0x0000001f	/* Media sub-type */
224#define	IFM_IMASK	0xf0000000	/* Instance */
225#define	IFM_ISHIFT	28		/* Instance shift */
226#define	IFM_OMASK	0x0000ff00	/* Type specific options */
227#define	IFM_MMASK	0x00070000	/* Mode */
228#define	IFM_MSHIFT	16		/* Mode shift */
229#define	IFM_GMASK	0x0ff00000	/* Global options */
230
231/*
232 * Status bits
233 */
234#define	IFM_AVALID	0x00000001	/* Active bit valid */
235#define	IFM_ACTIVE	0x00000002	/* Interface attached to working net */
236
237/*
238 * Macros to extract various bits of information from the media word.
239 */
240#define	IFM_TYPE(x)         ((x) & IFM_NMASK)
241#define	IFM_SUBTYPE(x)      ((x) & IFM_TMASK)
242#define	IFM_TYPE_OPTIONS(x) ((x) & IFM_OMASK)
243#define	IFM_INST(x)         (((x) & IFM_IMASK) >> IFM_ISHIFT)
244#define	IFM_OPTIONS(x)	((x) & (IFM_OMASK|IFM_GMASK))
245#define	IFM_MODE(x)	    (((x) & IFM_MMASK) >> IFM_MSHIFT)
246
247#define	IFM_INST_MAX	IFM_INST(IFM_IMASK)
248
249/*
250 * Macro to create a media word.
251 */
252#define	IFM_MAKEWORD(type, subtype, options, instance)			\
253	((type) | (subtype) | (options) | ((instance) << IFM_ISHIFT))
254#define	IFM_MAKEMODE(mode) \
255	(((mode) << IFM_MSHIFT) & IFM_MMASK)
256
257/*
258 * NetBSD extension not defined in the BSDI API.  This is used in various
259 * places to get the canonical description for a given type/subtype.
260 *
261 * NOTE: all but the top-level type descriptions must contain NO whitespace!
262 * Otherwise, parsing these in ifconfig(8) would be a nightmare.
263 */
264struct ifmedia_description {
265	int	ifmt_word;		/* word value; may be masked */
266	const char *ifmt_string;	/* description */
267};
268
269#define	IFM_TYPE_DESCRIPTIONS {						\
270	{ IFM_ETHER,		"Ethernet" },				\
271	{ IFM_TOKEN,		"Token ring" },				\
272	{ IFM_FDDI,		"FDDI" },				\
273	{ IFM_IEEE80211,	"IEEE 802.11 Wireless Ethernet" },	\
274	{ 0, NULL },							\
275}
276
277#define	IFM_SUBTYPE_ETHERNET_DESCRIPTIONS {				\
278	{ IFM_10_T,	"10baseT/UTP" },				\
279	{ IFM_10_2,	"10base2/BNC" },				\
280	{ IFM_10_5,	"10base5/AUI" },				\
281	{ IFM_100_TX,	"100baseTX" },					\
282	{ IFM_100_FX,	"100baseFX" },					\
283	{ IFM_100_T4,	"100baseT4" },					\
284	{ IFM_100_VG,	"100baseVG" },					\
285	{ IFM_100_T2,	"100baseT2" },					\
286	{ IFM_10_STP,	"10baseSTP" },					\
287	{ IFM_10_FL,	"10baseFL" },					\
288	{ IFM_1000_SX,	"1000baseSX" },					\
289	{ IFM_1000_LX,	"1000baseLX" },					\
290	{ IFM_1000_CX,	"1000baseCX" },					\
291	{ IFM_1000_T,	"1000baseTX" },					\
292	{ IFM_1000_T,	"1000baseT" },					\
293	{ IFM_HPNA_1,	"homePNA" },					\
294	{ 0, NULL },							\
295}
296
297#define	IFM_SUBTYPE_ETHERNET_ALIASES {					\
298	{ IFM_10_T,	"UTP" },					\
299	{ IFM_10_T,	"10UTP" },					\
300	{ IFM_10_2,	"BNC" },					\
301	{ IFM_10_2,	"10BNC" },					\
302	{ IFM_10_5,	"AUI" },					\
303	{ IFM_10_5,	"10AUI" },					\
304	{ IFM_100_TX,	"100TX" },					\
305	{ IFM_100_T4,	"100T4" },					\
306	{ IFM_100_VG,	"100VG" },					\
307	{ IFM_100_T2,	"100T2" },					\
308	{ IFM_10_STP,	"10STP" },					\
309	{ IFM_10_FL,	"10FL" },					\
310	{ IFM_1000_SX,	"1000SX" },					\
311	{ IFM_1000_LX,	"1000LX" },					\
312	{ IFM_1000_CX,	"1000CX" },					\
313	{ IFM_1000_T,	"1000TX" },					\
314	{ IFM_1000_T,	"1000T" },					\
315	{ 0, NULL },							\
316}
317
318#define	IFM_SUBTYPE_ETHERNET_OPTION_DESCRIPTIONS {			\
319	{ 0, NULL },							\
320}
321
322#define	IFM_SUBTYPE_TOKENRING_DESCRIPTIONS {				\
323	{ IFM_TOK_STP4,	"DB9/4Mbit" },					\
324	{ IFM_TOK_STP16, "DB9/16Mbit" },				\
325	{ IFM_TOK_UTP4,	"UTP/4Mbit" },					\
326	{ IFM_TOK_UTP16, "UTP/16Mbit" },				\
327	{ IFM_TOK_STP100, "STP/100Mbit" },				\
328	{ IFM_TOK_UTP100, "UTP/100Mbit" },				\
329	{ 0, NULL },							\
330}
331
332#define	IFM_SUBTYPE_TOKENRING_ALIASES {					\
333	{ IFM_TOK_STP4,	"4STP" },					\
334	{ IFM_TOK_STP16, "16STP" },					\
335	{ IFM_TOK_UTP4,	"4UTP" },					\
336	{ IFM_TOK_UTP16, "16UTP" },					\
337	{ IFM_TOK_STP100, "100STP" },					\
338	{ IFM_TOK_UTP100, "100UTP" },					\
339	{ 0, NULL },							\
340}
341
342#define	IFM_SUBTYPE_TOKENRING_OPTION_DESCRIPTIONS {			\
343	{ IFM_TOK_ETR,	"EarlyTokenRelease" },				\
344	{ IFM_TOK_SRCRT, "SourceRouting" },				\
345	{ IFM_TOK_ALLR,	"AllRoutes" },					\
346	{ IFM_TOK_DTR,	"Dedicated" },					\
347	{ IFM_TOK_CLASSIC,"Classic" },					\
348	{ IFM_TOK_AUTO,	" " },						\
349	{ 0, NULL },							\
350}
351
352#define	IFM_SUBTYPE_FDDI_DESCRIPTIONS {					\
353	{ IFM_FDDI_SMF, "Single-mode" },				\
354	{ IFM_FDDI_MMF, "Multi-mode" },					\
355	{ IFM_FDDI_UTP, "UTP" },					\
356	{ 0, NULL },							\
357}
358
359#define	IFM_SUBTYPE_FDDI_ALIASES {					\
360	{ IFM_FDDI_SMF,	"SMF" },					\
361	{ IFM_FDDI_MMF,	"MMF" },					\
362	{ IFM_FDDI_UTP,	"CDDI" },					\
363	{ 0, NULL },							\
364}
365
366#define	IFM_SUBTYPE_FDDI_OPTION_DESCRIPTIONS {				\
367	{ IFM_FDDI_DA, "Dual-attach" },					\
368	{ 0, NULL },							\
369}
370
371#define	IFM_SUBTYPE_IEEE80211_DESCRIPTIONS {				\
372	{ IFM_IEEE80211_FH1, "FH/1Mbps" },				\
373	{ IFM_IEEE80211_FH2, "FH/2Mbps" },				\
374	{ IFM_IEEE80211_DS1, "DS/1Mbps" },				\
375	{ IFM_IEEE80211_DS2, "DS/2Mbps" },				\
376	{ IFM_IEEE80211_DS5, "DS/5.5Mbps" },				\
377	{ IFM_IEEE80211_DS11, "DS/11Mbps" },				\
378	{ IFM_IEEE80211_DS22, "DS/22Mbps" },				\
379	{ IFM_IEEE80211_OFDM6, "OFDM/6Mbps" },				\
380	{ IFM_IEEE80211_OFDM9, "OFDM/9Mbps" },				\
381	{ IFM_IEEE80211_OFDM12, "OFDM/12Mbps" },			\
382	{ IFM_IEEE80211_OFDM18, "OFDM/18Mbps" },			\
383	{ IFM_IEEE80211_OFDM24, "OFDM/24Mbps" },			\
384	{ IFM_IEEE80211_OFDM36, "OFDM/36Mbps" },			\
385	{ IFM_IEEE80211_OFDM48, "OFDM/48Mbps" },			\
386	{ IFM_IEEE80211_OFDM54, "OFDM/54Mbps" },			\
387	{ IFM_IEEE80211_OFDM72, "OFDM/72Mbps" },			\
388	{ 0, NULL },							\
389}
390
391#define	IFM_SUBTYPE_IEEE80211_ALIASES {					\
392	{ IFM_IEEE80211_FH1, "FH1" },					\
393	{ IFM_IEEE80211_FH2, "FH2" },					\
394	{ IFM_IEEE80211_FH1, "FrequencyHopping/1Mbps" },		\
395	{ IFM_IEEE80211_FH2, "FrequencyHopping/2Mbps" },		\
396	{ IFM_IEEE80211_DS1, "DS1" },					\
397	{ IFM_IEEE80211_DS2, "DS2" },					\
398	{ IFM_IEEE80211_DS5, "DS5.5" },					\
399	{ IFM_IEEE80211_DS11, "DS11" },					\
400	{ IFM_IEEE80211_DS22, "DS22" },					\
401	{ IFM_IEEE80211_DS1, "DirectSequence/1Mbps" },			\
402	{ IFM_IEEE80211_DS2, "DirectSequence/2Mbps" },			\
403	{ IFM_IEEE80211_DS5, "DirectSequence/5.5Mbps" },		\
404	{ IFM_IEEE80211_DS11, "DirectSequence/11Mbps" },		\
405	{ IFM_IEEE80211_DS22, "DirectSequence/22Mbps" },		\
406	{ IFM_IEEE80211_OFDM6, "OFDM6" },				\
407	{ IFM_IEEE80211_OFDM9, "OFDM9" },				\
408	{ IFM_IEEE80211_OFDM12, "OFDM12" },				\
409	{ IFM_IEEE80211_OFDM18, "OFDM18" },				\
410	{ IFM_IEEE80211_OFDM24, "OFDM24" },				\
411	{ IFM_IEEE80211_OFDM36, "OFDM36" },				\
412	{ IFM_IEEE80211_OFDM48, "OFDM48" },				\
413	{ IFM_IEEE80211_OFDM54, "OFDM54" },				\
414	{ IFM_IEEE80211_OFDM72, "OFDM72" },				\
415	{ IFM_IEEE80211_DS1, "CCK1" },					\
416	{ IFM_IEEE80211_DS2, "CCK2" },					\
417	{ IFM_IEEE80211_DS5, "CCK5.5" },				\
418	{ IFM_IEEE80211_DS11, "CCK11" },				\
419	{ 0, NULL },							\
420}
421
422#define	IFM_SUBTYPE_IEEE80211_OPTION_DESCRIPTIONS {			\
423	{ IFM_IEEE80211_ADHOC, "adhoc" },				\
424	{ IFM_IEEE80211_HOSTAP, "hostap" },				\
425	{ IFM_IEEE80211_IBSS, "ibss" },					\
426	{ IFM_IEEE80211_IBSSMASTER, "ibss-master" },			\
427	{ IFM_IEEE80211_TURBO, "turbo" },				\
428	{ 0, NULL },							\
429}
430
431#define	IFM_SUBTYPE_IEEE80211_MODE_DESCRIPTIONS {			\
432	{ IFM_IEEE80211_11A, "11a" },					\
433	{ IFM_IEEE80211_11B, "11b" },					\
434	{ IFM_IEEE80211_11G, "11g" },					\
435	{ 0, NULL },							\
436}
437
438#define	IFM_SUBTYPE_SHARED_DESCRIPTIONS {				\
439	{ IFM_AUTO,	"autoselect" },					\
440	{ IFM_MANUAL,	"manual" },					\
441	{ IFM_NONE,	"none" },					\
442	{ 0, NULL },							\
443}
444
445#define	IFM_SUBTYPE_SHARED_ALIASES {					\
446	{ IFM_AUTO,	"auto" },					\
447	{ 0, NULL },							\
448}
449
450#define	IFM_SHARED_OPTION_DESCRIPTIONS {				\
451	{ IFM_FDX,	"full-duplex" },				\
452	{ IFM_HDX,	"half-duplex" },				\
453	{ IFM_FLAG0,	"flag0" },					\
454	{ IFM_FLAG1,	"flag1" },					\
455	{ IFM_FLAG2,	"flag2" },					\
456	{ IFM_LOOP,	"hw-loopback" },				\
457	{ 0, NULL },							\
458}
459
460#endif	/* _NET_IF_MEDIA_H_ */
461