1 /* $NetBSD: if_media.h,v 1.3 1997/03/26 01:19:27 thorpej Exp $ */ 2 /* $FreeBSD: src/sys/net/if_media.h,v 1.9.2.4 2002/07/30 06:22:40 imp Exp $ */ 3 /* $DragonFly: src/sys/net/if_media.h,v 1.8 2005/02/14 16:21:34 joerg Exp $ */ 4 5 /* 6 * Copyright (c) 1997 7 * Jonathan Stone and Jason R. Thorpe. All rights reserved. 8 * 9 * This software is derived from information provided by Matt Thomas. 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 Jonathan Stone 22 * and Jason R. Thorpe for the NetBSD Project. 23 * 4. The names of the authors may not be used to endorse or promote products 24 * derived from this software without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR 27 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 28 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 29 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 30 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 31 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 32 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 33 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 34 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 35 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 36 * SUCH DAMAGE. 37 */ 38 39 #ifndef _NET_IF_MEDIA_H_ 40 #define _NET_IF_MEDIA_H_ 41 42 /* 43 * Prototypes and definitions for BSD/OS-compatible network interface 44 * media selection. 45 * 46 * Where it is safe to do so, this code strays slightly from the BSD/OS 47 * design. Software which uses the API (device drivers, basically) 48 * shouldn't notice any difference. 49 * 50 * Many thanks to Matt Thomas for providing the information necessary 51 * to implement this interface. 52 */ 53 54 #ifdef _KERNEL 55 56 #include <sys/queue.h> 57 58 /* 59 * Driver callbacks for media status and change requests. 60 */ 61 typedef int (*ifm_change_cb_t)(struct ifnet *ifp); 62 typedef void (*ifm_stat_cb_t)(struct ifnet *ifp, struct ifmediareq *req); 63 64 /* 65 * In-kernel representation of a single supported media type. 66 */ 67 struct ifmedia_entry { 68 LIST_ENTRY(ifmedia_entry) ifm_list; 69 int ifm_media; /* description of this media attachment */ 70 int ifm_data; /* for driver-specific use */ 71 void *ifm_aux; /* for driver-specific use */ 72 }; 73 74 /* 75 * One of these goes into a network interface's softc structure. 76 * It is used to keep general media state. 77 */ 78 struct ifmedia { 79 int ifm_mask; /* mask of changes we don't care about */ 80 int ifm_media; /* current user-set media word */ 81 struct ifmedia_entry *ifm_cur; /* currently selected media */ 82 LIST_HEAD(, ifmedia_entry) ifm_list; /* list of all supported media */ 83 ifm_change_cb_t ifm_change; /* media change driver callback */ 84 ifm_stat_cb_t ifm_status; /* media status driver callback */ 85 }; 86 87 /* Initialize an interface's struct if_media field. */ 88 void ifmedia_init(struct ifmedia *ifm, int dontcare_mask, 89 ifm_change_cb_t change_callback, ifm_stat_cb_t status_callback); 90 91 /* Remove all mediums from a struct ifmedia. */ 92 void ifmedia_removeall( struct ifmedia *ifm); 93 94 /* Add one supported medium to a struct ifmedia. */ 95 void ifmedia_add(struct ifmedia *ifm, int mword, int data, void *aux); 96 97 /* Add an array (of ifmedia_entry) media to a struct ifmedia. */ 98 void ifmedia_list_add(struct ifmedia *mp, struct ifmedia_entry *lp, 99 int count); 100 101 /* Set default media type on initialization. */ 102 void ifmedia_set(struct ifmedia *ifm, int mword); 103 104 /* Common ioctl function for getting/setting media, called by driver. */ 105 int ifmedia_ioctl(struct ifnet *ifp, struct ifreq *ifr, 106 struct ifmedia *ifm, u_long cmd); 107 108 #endif /*_KERNEL */ 109 110 /* 111 * if_media Options word: 112 * Bits Use 113 * ---- ------- 114 * 0-4 Media variant 115 * 5-7 Media type 116 * 8-15 Type specific options 117 * 16-19 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_FX 11 /* 1000BaseFX - gigabit over fiber */ 135 #define IFM_10_STP 12 /* 10BaseT over shielded TP */ 136 #define IFM_10_FL 13 /* 10baseFL - Fiber */ 137 #define IFM_1000_SX 14 /* 1000BaseSX Multi-mode Fiber */ 138 #define IFM_1000_LX 15 /* 1000BaseLX Single-mode Fiber */ 139 #define IFM_1000_CX 16 /* 1000BaseCX 150ohm STP */ 140 #define IFM_1000_T 17 /* 1000BaseTX 4 pair cat 5 */ 141 #define IFM_HPNA_1 18 /* HomePNA media for ethernet frames */ 142 /* note 31 is the max! */ 143 144 /* 145 * Token ring 146 */ 147 #define IFM_TOKEN 0x00000040 148 #define IFM_TOK_STP4 3 /* Shielded twisted pair 4m - DB9 */ 149 #define IFM_TOK_STP16 4 /* Shielded twisted pair 16m - DB9 */ 150 #define IFM_TOK_UTP4 5 /* Unshielded twisted pair 4m - RJ45 */ 151 #define IFM_TOK_UTP16 6 /* Unshielded twisted pair 16m - RJ45 */ 152 #define IFM_TOK_STP100 7 /* Shielded twisted pair 100m - DB9 */ 153 #define IFM_TOK_UTP100 8 /* Unshielded twisted pair 100m - RJ45 */ 154 #define IFM_TOK_ETR 0x00000200 /* Early token release */ 155 #define IFM_TOK_SRCRT 0x00000400 /* Enable source routing features */ 156 #define IFM_TOK_ALLR 0x00000800 /* All routes / Single route bcast */ 157 #define IFM_TOK_DTR 0x00002000 /* Dedicated token ring */ 158 #define IFM_TOK_CLASSIC 0x00004000 /* Classic token ring */ 159 #define IFM_TOK_AUTO 0x00008000 /* Automatic Dedicate/Classic token ring */ 160 161 /* 162 * FDDI 163 */ 164 #define IFM_FDDI 0x00000060 165 #define IFM_FDDI_SMF 3 /* Single-mode fiber */ 166 #define IFM_FDDI_MMF 4 /* Multi-mode fiber */ 167 #define IFM_FDDI_UTP 5 /* CDDI / UTP */ 168 #define IFM_FDDI_DA 0x00000100 /* Dual attach / single attach */ 169 170 /* 171 * IEEE 802.11 Wireless 172 */ 173 #define IFM_IEEE80211 0x00000080 174 /* NB: 0,1,2 are auto, manual, none defined below */ 175 #define IFM_IEEE80211_FH1 3 /* Frequency Hopping 1Mbps */ 176 #define IFM_IEEE80211_FH2 4 /* Frequency Hopping 2Mbps */ 177 #define IFM_IEEE80211_DS1 5 /* Direct Sequence 1Mbps */ 178 #define IFM_IEEE80211_DS2 6 /* Direct Sequence 2Mbps */ 179 #define IFM_IEEE80211_DS5 7 /* Direct Sequence 5.5Mbps */ 180 #define IFM_IEEE80211_DS11 8 /* Direct Sequence 11Mbps */ 181 #define IFM_IEEE80211_DS22 9 /* Direct Sequence 22Mbps */ 182 #define IFM_IEEE80211_OFDM6 10 /* OFDM 6Mbps */ 183 #define IFM_IEEE80211_OFDM9 11 /* OFDM 9Mbps */ 184 #define IFM_IEEE80211_OFDM12 12 /* OFDM 12Mbps */ 185 #define IFM_IEEE80211_OFDM18 13 /* OFDM 18Mbps */ 186 #define IFM_IEEE80211_OFDM24 14 /* OFDM 24Mbps */ 187 #define IFM_IEEE80211_OFDM36 15 /* OFDM 36Mbps */ 188 #define IFM_IEEE80211_OFDM48 16 /* OFDM 48Mbps */ 189 #define IFM_IEEE80211_OFDM54 17 /* OFDM 54Mbps */ 190 #define IFM_IEEE80211_OFDM72 18 /* OFDM 72Mbps */ 191 #define IFM_IEEE80211_DS354k 19 /* Direct Sequence 354Kbps */ 192 #define IFM_IEEE80211_DS512k 20 /* Direct Sequence 512Kbps */ 193 194 #define IFM_IEEE80211_ADHOC 0x00000100 /* Operate in Adhoc mode */ 195 #define IFM_IEEE80211_HOSTAP 0x00000200 /* Operate in Host AP mode */ 196 #define IFM_IEEE80211_IBSS 0x00000400 /* Operate in IBSS mode */ 197 #define IFM_IEEE80211_IBSSMASTER 0x00000800 /* Operate as an IBSS master */ 198 #define IFM_IEEE80211_TURBO 0x00001000 /* Operate in turbo mode */ 199 #define IFM_IEEE80211_MONITOR 0x00002000 /* Operate in monitor mode */ 200 201 /* operating mode for multi-mode devices */ 202 #define IFM_IEEE80211_11A 0x00010000 /* 5Ghz, OFDM mode */ 203 #define IFM_IEEE80211_11B 0x00020000 /* Direct Sequence mode */ 204 #define IFM_IEEE80211_11G 0x00030000 /* 2Ghz, CCK mode */ 205 #define IFM_IEEE80211_FH 0x00040000 /* 2Ghz, GFSK mode */ 206 207 /* 208 * Shared media sub-types 209 */ 210 #define IFM_AUTO 0 /* Autoselect best media */ 211 #define IFM_MANUAL 1 /* Jumper/dipswitch selects media */ 212 #define IFM_NONE 2 /* Deselect all media */ 213 214 /* 215 * Shared options 216 */ 217 #define IFM_FDX 0x00100000 /* Force full duplex */ 218 #define IFM_HDX 0x00200000 /* Force half duplex */ 219 #define IFM_FLAG0 0x01000000 /* Driver defined flag */ 220 #define IFM_FLAG1 0x02000000 /* Driver defined flag */ 221 #define IFM_FLAG2 0x04000000 /* Driver defined flag */ 222 #define IFM_LOOP 0x08000000 /* Put hardware in loopback */ 223 224 /* 225 * Masks 226 */ 227 #define IFM_NMASK 0x000000e0 /* Network type */ 228 #define IFM_TMASK 0x0000001f /* Media sub-type */ 229 #define IFM_IMASK 0xf0000000 /* Instance */ 230 #define IFM_ISHIFT 28 /* Instance shift */ 231 #define IFM_OMASK 0x0000ff00 /* Type specific options */ 232 #define IFM_MMASK 0x00070000 /* Mode */ 233 #define IFM_MSHIFT 16 /* Mode shift */ 234 #define IFM_GMASK 0x0ff00000 /* Global options */ 235 236 /* 237 * Status bits 238 */ 239 #define IFM_AVALID 0x00000001 /* Active bit valid */ 240 #define IFM_ACTIVE 0x00000002 /* Interface attached to working net */ 241 242 /* 243 * Macros to extract various bits of information from the media word. 244 */ 245 #define IFM_TYPE(x) ((x) & IFM_NMASK) 246 #define IFM_SUBTYPE(x) ((x) & IFM_TMASK) 247 #define IFM_TYPE_OPTIONS(x) ((x) & IFM_OMASK) 248 #define IFM_INST(x) (((x) & IFM_IMASK) >> IFM_ISHIFT) 249 #define IFM_OPTIONS(x) ((x) & (IFM_OMASK|IFM_GMASK)) 250 #define IFM_MODE(x) ((x) & IFM_MMASK) 251 252 #define IFM_INST_MAX IFM_INST(IFM_IMASK) 253 254 /* 255 * Macro to create a media word. 256 */ 257 #define IFM_MAKEWORD(type, subtype, options, instance) \ 258 ((type) | (subtype) | (options) | ((instance) << IFM_ISHIFT)) 259 #define IFM_MAKEMODE(mode) \ 260 (((mode) << IFM_MSHIFT) & IFM_MMASK) 261 262 /* 263 * NetBSD extension not defined in the BSDI API. This is used in various 264 * places to get the canonical description for a given type/subtype. 265 * 266 * NOTE: all but the top-level type descriptions must contain NO whitespace! 267 * Otherwise, parsing these in ifconfig(8) would be a nightmare. 268 */ 269 struct ifmedia_description { 270 int ifmt_word; /* word value; may be masked */ 271 const char *ifmt_string; /* description */ 272 }; 273 274 #define IFM_TYPE_DESCRIPTIONS { \ 275 { IFM_ETHER, "Ethernet" }, \ 276 { IFM_TOKEN, "Token ring" }, \ 277 { IFM_FDDI, "FDDI" }, \ 278 { IFM_IEEE80211, "IEEE 802.11 Wireless Ethernet" }, \ 279 { 0, NULL }, \ 280 } 281 282 #define IFM_SUBTYPE_ETHERNET_DESCRIPTIONS { \ 283 { IFM_10_T, "10baseT/UTP" }, \ 284 { IFM_10_2, "10base2/BNC" }, \ 285 { IFM_10_5, "10base5/AUI" }, \ 286 { IFM_100_TX, "100baseTX" }, \ 287 { IFM_100_FX, "100baseFX" }, \ 288 { IFM_100_T4, "100baseT4" }, \ 289 { IFM_100_VG, "100baseVG" }, \ 290 { IFM_100_T2, "100baseT2" }, \ 291 { IFM_1000_FX, "1000baseFX" }, \ 292 { IFM_10_STP, "10baseSTP" }, \ 293 { IFM_10_FL, "10baseFL" }, \ 294 { IFM_1000_SX, "1000baseSX" }, \ 295 { IFM_1000_LX, "1000baseLX" }, \ 296 { IFM_1000_CX, "1000baseCX" }, \ 297 { IFM_1000_T, "1000baseT" }, \ 298 { IFM_HPNA_1, "homePNA" }, \ 299 { 0, NULL }, \ 300 } 301 302 #define IFM_SUBTYPE_ETHERNET_ALIASES { \ 303 { IFM_10_T, "UTP" }, \ 304 { IFM_10_T, "10UTP" }, \ 305 { IFM_10_2, "BNC" }, \ 306 { IFM_10_2, "10BNC" }, \ 307 { IFM_10_5, "AUI" }, \ 308 { IFM_10_5, "10AUI" }, \ 309 { IFM_100_TX, "100TX" }, \ 310 { IFM_100_FX, "100FX" }, \ 311 { IFM_100_T4, "100T4" }, \ 312 { IFM_100_VG, "100VG" }, \ 313 { IFM_100_T2, "100T2" }, \ 314 { IFM_1000_FX, "1000FX" }, \ 315 { IFM_10_STP, "10STP" }, \ 316 { IFM_10_FL, "10FL" }, \ 317 { IFM_1000_FX, "1000SX" }, \ 318 { IFM_1000_FX, "1000LX" }, \ 319 { IFM_1000_FX, "1000CX" }, \ 320 { IFM_1000_FX, "1000TX" }, \ 321 { 0, NULL }, \ 322 } 323 324 #define IFM_SUBTYPE_ETHERNET_OPTION_DESCRIPTIONS { \ 325 { 0, NULL }, \ 326 } 327 328 #define IFM_SUBTYPE_TOKENRING_DESCRIPTIONS { \ 329 { IFM_TOK_STP4, "DB9/4Mbit" }, \ 330 { IFM_TOK_STP16, "DB9/16Mbit" }, \ 331 { IFM_TOK_UTP4, "UTP/4Mbit" }, \ 332 { IFM_TOK_UTP16, "UTP/16Mbit" }, \ 333 { IFM_TOK_STP100, "STP/100Mbit" }, \ 334 { IFM_TOK_UTP100, "UTP/100Mbit" }, \ 335 { 0, NULL }, \ 336 } 337 338 #define IFM_SUBTYPE_TOKENRING_ALIASES { \ 339 { IFM_TOK_STP4, "4STP" }, \ 340 { IFM_TOK_STP16, "16STP" }, \ 341 { IFM_TOK_UTP4, "4UTP" }, \ 342 { IFM_TOK_UTP16, "16UTP" }, \ 343 { IFM_TOK_STP100, "100STP" }, \ 344 { IFM_TOK_UTP100, "100UTP" }, \ 345 { 0, NULL }, \ 346 } 347 348 #define IFM_SUBTYPE_TOKENRING_OPTION_DESCRIPTIONS { \ 349 { IFM_TOK_ETR, "EarlyTokenRelease" }, \ 350 { IFM_TOK_SRCRT, "SourceRouting" }, \ 351 { IFM_TOK_ALLR, "AllRoutes" }, \ 352 { IFM_TOK_DTR, "Dedicated" }, \ 353 { IFM_TOK_CLASSIC,"Classic" }, \ 354 { IFM_TOK_AUTO, " " }, \ 355 { 0, NULL }, \ 356 } 357 358 #define IFM_SUBTYPE_FDDI_DESCRIPTIONS { \ 359 { IFM_FDDI_SMF, "Single-mode" }, \ 360 { IFM_FDDI_MMF, "Multi-mode" }, \ 361 { IFM_FDDI_UTP, "UTP" }, \ 362 { 0, NULL }, \ 363 } 364 365 #define IFM_SUBTYPE_FDDI_ALIASES { \ 366 { IFM_FDDI_SMF, "SMF" }, \ 367 { IFM_FDDI_MMF, "MMF" }, \ 368 { IFM_FDDI_UTP, "CDDI" }, \ 369 { 0, NULL }, \ 370 } 371 372 #define IFM_SUBTYPE_FDDI_OPTION_DESCRIPTIONS { \ 373 { IFM_FDDI_DA, "Dual-attach" }, \ 374 { 0, NULL }, \ 375 } 376 377 #define IFM_SUBTYPE_IEEE80211_DESCRIPTIONS { \ 378 { IFM_IEEE80211_FH1, "FH/1Mbps" }, \ 379 { IFM_IEEE80211_FH2, "FH/2Mbps" }, \ 380 { IFM_IEEE80211_DS1, "DS/1Mbps" }, \ 381 { IFM_IEEE80211_DS2, "DS/2Mbps" }, \ 382 { IFM_IEEE80211_DS5, "DS/5.5Mbps" }, \ 383 { IFM_IEEE80211_DS11, "DS/11Mbps" }, \ 384 { IFM_IEEE80211_DS22, "DS/22Mbps" }, \ 385 { IFM_IEEE80211_OFDM6, "OFDM/6Mbps" }, \ 386 { IFM_IEEE80211_OFDM9, "OFDM/9Mbps" }, \ 387 { IFM_IEEE80211_OFDM12, "OFDM/12Mbps" }, \ 388 { IFM_IEEE80211_OFDM18, "OFDM/18Mbps" }, \ 389 { IFM_IEEE80211_OFDM24, "OFDM/24Mbps" }, \ 390 { IFM_IEEE80211_OFDM36, "OFDM/36Mbps" }, \ 391 { IFM_IEEE80211_OFDM48, "OFDM/48Mbps" }, \ 392 { IFM_IEEE80211_OFDM54, "OFDM/54Mbps" }, \ 393 { IFM_IEEE80211_OFDM72, "OFDM/72Mbps" }, \ 394 { 0, NULL }, \ 395 } 396 397 #define IFM_SUBTYPE_IEEE80211_ALIASES { \ 398 { IFM_IEEE80211_FH1, "FH1" }, \ 399 { IFM_IEEE80211_FH2, "FH2" }, \ 400 { IFM_IEEE80211_FH1, "FrequencyHopping/1Mbps" }, \ 401 { IFM_IEEE80211_FH2, "FrequencyHopping/2Mbps" }, \ 402 { IFM_IEEE80211_DS1, "DS1" }, \ 403 { IFM_IEEE80211_DS2, "DS2" }, \ 404 { IFM_IEEE80211_DS5, "DS5.5" }, \ 405 { IFM_IEEE80211_DS11, "DS11" }, \ 406 { IFM_IEEE80211_DS22, "DS22" }, \ 407 { IFM_IEEE80211_DS1, "DirectSequence/1Mbps" }, \ 408 { IFM_IEEE80211_DS2, "DirectSequence/2Mbps" }, \ 409 { IFM_IEEE80211_DS5, "DirectSequence/5.5Mbps" }, \ 410 { IFM_IEEE80211_DS11, "DirectSequence/11Mbps" }, \ 411 { IFM_IEEE80211_DS22, "DirectSequence/22Mbps" }, \ 412 { IFM_IEEE80211_OFDM6, "OFDM6" }, \ 413 { IFM_IEEE80211_OFDM9, "OFDM9" }, \ 414 { IFM_IEEE80211_OFDM12, "OFDM12" }, \ 415 { IFM_IEEE80211_OFDM18, "OFDM18" }, \ 416 { IFM_IEEE80211_OFDM24, "OFDM24" }, \ 417 { IFM_IEEE80211_OFDM36, "OFDM36" }, \ 418 { IFM_IEEE80211_OFDM48, "OFDM48" }, \ 419 { IFM_IEEE80211_OFDM54, "OFDM54" }, \ 420 { IFM_IEEE80211_OFDM72, "OFDM72" }, \ 421 { 0, NULL }, \ 422 } 423 424 #define IFM_SUBTYPE_IEEE80211_OPTION_DESCRIPTIONS { \ 425 { IFM_IEEE80211_ADHOC, "adhoc" }, \ 426 { IFM_IEEE80211_HOSTAP, "hostap" }, \ 427 { IFM_IEEE80211_IBSS, "ibss" }, \ 428 { IFM_IEEE80211_IBSSMASTER, "ibss-master" }, \ 429 { 0, NULL }, \ 430 } 431 432 #define IFM_SUBTYPE_SHARED_DESCRIPTIONS { \ 433 { IFM_AUTO, "autoselect" }, \ 434 { IFM_MANUAL, "manual" }, \ 435 { IFM_NONE, "none" }, \ 436 { 0, NULL }, \ 437 } 438 439 #define IFM_SUBTYPE_SHARED_ALIASES { \ 440 { IFM_AUTO, "auto" }, \ 441 { 0, NULL }, \ 442 } 443 444 #define IFM_SHARED_OPTION_DESCRIPTIONS { \ 445 { IFM_FDX, "full-duplex" }, \ 446 { IFM_HDX, "half-duplex" }, \ 447 { IFM_FLAG0, "flag0" }, \ 448 { IFM_FLAG1, "flag1" }, \ 449 { IFM_FLAG2, "flag2" }, \ 450 { IFM_LOOP, "hw-loopback" }, \ 451 { 0, NULL }, \ 452 } 453 454 #endif /* _NET_IF_MEDIA_H_ */ 455