if_media.h revision 1.4 1 /* $NetBSD: if_media.h,v 1.4 1998/01/30 01:24:40 thorpej Exp $ */
2
3 /*
4 * Copyright (c) 1997
5 * Jonathan Stone and Jason R. Thorpe. All rights reserved.
6 *
7 * This software is derived from information provided by Matt Thomas.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
17 * 3. All advertising materials mentioning features or use of this software
18 * must display the following acknowledgement:
19 * This product includes software developed by Jonathan Stone
20 * and Jason R. Thorpe for the NetBSD Project.
21 * 4. The names of the authors may not be used to endorse or promote products
22 * derived from this software without specific prior written permission.
23 *
24 * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR
25 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
26 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
27 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
28 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
29 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
30 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
31 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
32 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 * SUCH DAMAGE.
35 */
36
37 #ifndef _NET_IF_MEDIA_H_
38 #define _NET_IF_MEDIA_H_
39
40 /*
41 * Prototypes and definitions for BSD/OS-compatible network interface
42 * media selection.
43 *
44 * Where it is safe to do so, this code strays slightly from the BSD/OS
45 * design. Software which uses the API (device drivers, basically)
46 * shouldn't notice any difference.
47 *
48 * Many thanks to Matt Thomas for providing the information necessary
49 * to implement this interface.
50 */
51
52 #ifdef _KERNEL
53
54 #include <sys/queue.h>
55
56 /*
57 * Driver callbacks for media status and change requests.
58 */
59 typedef int (*ifm_change_cb_t) __P((struct ifnet *ifp));
60 typedef void (*ifm_stat_cb_t) __P((struct ifnet *ifp, struct ifmediareq *req));
61
62 /*
63 * In-kernel representation of a single supported media type.
64 */
65 struct ifmedia_entry {
66 LIST_ENTRY(ifmedia_entry) ifm_list;
67 int ifm_media; /* description of this media attachment */
68 int ifm_data; /* for driver-specific use */
69 void *ifm_aux; /* for driver-specific use */
70 };
71
72 /*
73 * One of these goes into a network interface's softc structure.
74 * It is used to keep general media state.
75 */
76 struct ifmedia {
77 int ifm_mask; /* mask of changes we don't care about */
78 int ifm_media; /* current user-set media word */
79 struct ifmedia_entry *ifm_cur; /* currently selected media */
80 LIST_HEAD(, ifmedia_entry) ifm_list; /* list of all supported media */
81 ifm_change_cb_t ifm_change; /* media change driver callback */
82 ifm_stat_cb_t ifm_status; /* media status driver callback */
83 };
84
85 /* Initialize an interface's struct if_media field. */
86 void ifmedia_init __P((struct ifmedia *ifm, int dontcare_mask,
87 ifm_change_cb_t change_callback, ifm_stat_cb_t status_callback));
88
89 /* Add one supported medium to a struct ifmedia. */
90 void ifmedia_add __P((struct ifmedia *ifm, int mword, int data, void *aux));
91
92 /* Add an array (of ifmedia_entry) media to a struct ifmedia. */
93 void ifmedia_list_add(struct ifmedia *mp, struct ifmedia_entry *lp,
94 int count);
95
96 /* Set default media type on initialization. */
97 void ifmedia_set __P((struct ifmedia *ifm, int mword));
98
99 /* Common ioctl function for getting/setting media, called by driver. */
100 int ifmedia_ioctl __P((struct ifnet *ifp, struct ifreq *ifr,
101 struct ifmedia *ifm, u_long cmd));
102
103 #endif /*_KERNEL */
104
105 /*
106 * if_media Options word:
107 * Bits Use
108 * ---- -------
109 * 0-3 Media variant
110 * 4 RFU
111 * 5-7 Media type
112 * 8-15 Type specific options
113 * 16-19 RFU
114 * 20-27 Shared (global) options
115 * 28-31 Instance
116 */
117
118 /*
119 * Ethernet
120 */
121 #define IFM_ETHER 0x00000020
122 #define IFM_10_T 3 /* 10BaseT - RJ45 */
123 #define IFM_10_2 4 /* 10Base2 - Thinnet */
124 #define IFM_10_5 5 /* 10Base5 - AUI */
125 #define IFM_100_TX 6 /* 100BaseTX - RJ45 */
126 #define IFM_100_FX 7 /* 100BaseFX - Fiber */
127 #define IFM_100_T4 8 /* 100BaseT4 - 4 pair cat 3 */
128 #define IFM_100_VG 9 /* 100VG-AnyLAN */
129 #define IFM_100_T2 10 /* 100BaseT2 */
130 #define IFM_1000_FX 11 /* 1000BaseFX - gigabit over fiber */
131 #define IFM_10_STP 12 /* 10BaseT over shielded TP */
132
133 /*
134 * Token ring
135 */
136 #define IFM_TOKEN 0x00000040
137 #define IFM_TOK_STP4 3 /* Shielded twisted pair 4m - DB9 */
138 #define IFM_TOK_STP16 4 /* Shielded twisted pair 16m - DB9 */
139 #define IFM_TOK_UTP4 5 /* Unshielded twisted pair 4m - RJ45 */
140 #define IFM_TOK_UTP16 6 /* Unshielded twisted pair 16m - RJ45 */
141 #define IFM_TOK_ETR 0x00000200 /* Early token release */
142 #define IFM_TOK_SRCRT 0x00000400 /* Enable source routing features */
143 #define IFM_TOK_ALLR 0x00000800 /* All routes / Single route bcast */
144
145 /*
146 * FDDI
147 */
148 #define IFM_FDDI 0x00000060
149 #define IFM_FDDI_SMF 3 /* Single-mode fiber */
150 #define IFM_FDDI_MMF 4 /* Multi-mode fiber */
151 #define IFM_FDDI_UTP 5 /* CDDI / UTP */
152 #define IFM_FDDI_DA 0x00000100 /* Dual attach / single attach */
153
154 /*
155 * Shared media sub-types
156 */
157 #define IFM_AUTO 0 /* Autoselect best media */
158 #define IFM_MANUAL 1 /* Jumper/dipswitch selects media */
159 #define IFM_NONE 2 /* Deselect all media */
160
161 /*
162 * Shared options
163 */
164 #define IFM_FDX 0x00100000 /* Force full duplex */
165 #define IFM_HDX 0x00200000 /* Force half duplex */
166 #define IFM_FLAG0 0x01000000 /* Driver defined flag */
167 #define IFM_FLAG1 0x02000000 /* Driver defined flag */
168 #define IFM_FLAG2 0x04000000 /* Driver defined flag */
169 #define IFM_LOOP 0x08000000 /* Put hardware in loopback */
170
171 /*
172 * Masks
173 */
174 #define IFM_NMASK 0x000000e0 /* Network type */
175 #define IFM_TMASK 0x0000000f /* Media sub-type */
176 #define IFM_IMASK 0xf0000000 /* Instance */
177 #define IFM_ISHIFT 28 /* Instance shift */
178 #define IFM_OMASK 0x0000ff00 /* Type specific options */
179 #define IFM_GMASK 0x0ff00000 /* Global options */
180
181 /*
182 * Status bits
183 */
184 #define IFM_AVALID 0x00000001 /* Active bit valid */
185 #define IFM_ACTIVE 0x00000002 /* Interface attached to working net */
186
187 /*
188 * Macros to extract various bits of information from the media word.
189 */
190 #define IFM_TYPE(x) ((x) & IFM_NMASK)
191 #define IFM_SUBTYPE(x) ((x) & IFM_TMASK)
192 #define IFM_INST(x) (((x) & IFM_IMASK) >> IFM_ISHIFT)
193
194 /*
195 * NetBSD extension not defined in the BSDI API. This is used in various
196 * places to get the canonical description for a given type/subtype.
197 *
198 * NOTE: all but the top-level type descriptions must contain NO whitespace!
199 * Otherwise, parsing these in ifconfig(8) would be a nightmare.
200 */
201 struct ifmedia_description {
202 int ifmt_word; /* word value; may be masked */
203 const char *ifmt_string; /* description */
204 };
205
206 #define IFM_TYPE_DESCRIPTIONS { \
207 { IFM_ETHER, "Ethernet" }, \
208 { IFM_TOKEN, "Token ring" }, \
209 { IFM_FDDI, "FDDI" }, \
210 { 0, NULL }, \
211 }
212
213 #define IFM_SUBTYPE_ETHERNET_DESCRIPTIONS { \
214 { IFM_10_T, "10baseT/UTP" }, \
215 { IFM_10_2, "10base2/BNC" }, \
216 { IFM_10_5, "10base5/AUI" }, \
217 { IFM_100_TX, "100baseTX" }, \
218 { IFM_100_FX, "100baseFX" }, \
219 { IFM_100_T4, "100baseT4" }, \
220 { IFM_100_VG, "100baseVG" }, \
221 { IFM_100_T2, "100baseT2" }, \
222 { IFM_1000_FX, "1000baseFX" }, \
223 { IFM_10_STP, "10baseT/STP" }, \
224 { 0, NULL }, \
225 }
226
227 #define IFM_SUBTYPE_ETHERNET_ALIASES { \
228 { IFM_10_T, "UTP" }, \
229 { IFM_10_T, "10UTP" }, \
230 { IFM_10_2, "BNC" }, \
231 { IFM_10_2, "10BNC" }, \
232 { IFM_10_5, "AUI" }, \
233 { IFM_10_5, "10AUI" }, \
234 { IFM_100_TX, "100TX" }, \
235 { IFM_100_FX, "100FX" }, \
236 { IFM_100_T4, "100T4" }, \
237 { IFM_100_VG, "100VG" }, \
238 { IFM_100_T2, "100T2" }, \
239 { IFM_1000_FX, "1000FX" }, \
240 { IFM_10_STP, "STP", } \
241 { 0, NULL }, \
242 }
243
244 #define IFM_SUBTYPE_ETHERNET_OPTION_DESCRIPTIONS { \
245 { 0, NULL }, \
246 }
247
248 #define IFM_SUBTYPE_TOKENRING_DESCRIPTIONS { \
249 { IFM_TOK_STP4, "DB9/4Mbit" }, \
250 { IFM_TOK_STP16, "DB9/16Mbit" }, \
251 { IFM_TOK_UTP4, "UTP/4Mbit" }, \
252 { IFM_TOK_UTP16, "UTP/16Mbit" }, \
253 { 0, NULL }, \
254 }
255
256 #define IFM_SUBTYPE_TOKENRING_ALIASES { \
257 { IFM_TOK_STP4, "4STP" }, \
258 { IFM_TOK_STP16, "16STP" }, \
259 { IFM_TOK_UTP4, "4UTP" }, \
260 { IFM_TOK_UTP16, "16UTP" }, \
261 { 0, NULL }, \
262 }
263
264 #define IFM_SUBTYPE_TOKENRING_OPTION_DESCRIPTIONS { \
265 { IFM_TOK_ETR, "EarlyTokenRelease" }, \
266 { IFM_TOK_SRCRT, "SourceRouting" }, \
267 { IFM_TOK_ALLR, "AllRoutes" }, \
268 { 0, NULL }, \
269 }
270
271 #define IFM_SUBTYPE_FDDI_DESCRIPTIONS { \
272 { IFM_FDDI_SMF, "Single-mode" }, \
273 { IFM_FDDI_MMF, "Multi-mode" }, \
274 { IFM_FDDI_UTP, "UTP" }, \
275 { 0, NULL }, \
276 }
277
278 #define IFM_SUBTYPE_FDDI_ALIASES { \
279 { IFM_FDDI_SMF, "SMF" }, \
280 { IFM_FDDI_MMF, "MMF" }, \
281 { IFM_FDDI_UTP, "CDDI" }, \
282 { 0, NULL }, \
283 }
284
285 #define IFM_SUBTYPE_FDDI_OPTION_DESCRIPTIONS { \
286 { IFM_FDDI_DA, "Dual-attach" }, \
287 { 0, NULL }, \
288 }
289
290 #define IFM_SUBTYPE_SHARED_DESCRIPTIONS { \
291 { IFM_AUTO, "autoselect" }, \
292 { IFM_MANUAL, "manual" }, \
293 { IFM_NONE, "none" }, \
294 { 0, NULL }, \
295 }
296
297 #define IFM_SUBTYPE_SHARED_ALIASES { \
298 { IFM_AUTO, "auto" }, \
299 { 0, NULL }, \
300 }
301
302 #define IFM_SHARED_OPTION_DESCRIPTIONS { \
303 { IFM_FDX, "full-duplex" }, \
304 { IFM_HDX, "half-duplex" }, \
305 { IFM_FLAG0, "flag0" }, \
306 { IFM_FLAG1, "flag1" }, \
307 { IFM_FLAG2, "flag2" }, \
308 { IFM_LOOP, "hw-loopback" }, \
309 { 0, NULL }, \
310 }
311
312 #endif /* _NET_IF_MEDIA_H_ */
313