ieee80211_var.h revision 1.20
1 /* $NetBSD: ieee80211_var.h,v 1.20 2005/07/26 22:52:48 dyoung Exp $ */ 2 /*- 3 * Copyright (c) 2001 Atsushi Onoe 4 * Copyright (c) 2002-2005 Sam Leffler, Errno Consulting 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. The name of the author may not be used to endorse or promote products 16 * derived from this software without specific prior written permission. 17 * 18 * Alternatively, this software may be distributed under the terms of the 19 * GNU General Public License ("GPL") version 2 as published by the Free 20 * Software Foundation. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 23 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 24 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 25 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 26 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 27 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 28 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 29 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 30 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 31 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 32 * 33 * $FreeBSD: src/sys/net80211/ieee80211_var.h,v 1.22 2005/07/06 15:38:27 sam Exp $ 34 */ 35 #ifndef _NET80211_IEEE80211_VAR_H_ 36 #define _NET80211_IEEE80211_VAR_H_ 37 38 /* 39 * Definitions for IEEE 802.11 drivers. 40 */ 41 #define IEEE80211_DEBUG 42 #undef IEEE80211_DEBUG_REFCNT /* node refcnt stuff */ 43 44 /* NB: portability glue must go first */ 45 #ifdef __NetBSD__ 46 #include <net80211/ieee80211_netbsd.h> 47 #elif __FreeBSD__ 48 #include <net80211/ieee80211_freebsd.h> 49 #elif __linux__ 50 #include <net80211/ieee80211_linux.h> 51 #else 52 #error "No support for your operating system!" 53 #endif 54 55 #include <sys/queue.h> /* XXX */ 56 57 #include <net80211/_ieee80211.h> 58 #include <net80211/ieee80211.h> 59 #include <net80211/ieee80211_crypto.h> 60 #include <net80211/ieee80211_ioctl.h> /* for ieee80211_stats */ 61 #include <net80211/ieee80211_node.h> 62 #include <net80211/ieee80211_proto.h> 63 64 #define IEEE80211_TXPOWER_MAX 100 /* .5 dbM (XXX units?) */ 65 #define IEEE80211_TXPOWER_MIN 0 /* kill radio */ 66 67 #define IEEE80211_DTIM_MAX 15 /* max DTIM period */ 68 #define IEEE80211_DTIM_MIN 1 /* min DTIM period */ 69 #define IEEE80211_DTIM_DEFAULT 1 /* default DTIM period */ 70 71 #define IEEE80211_BINTVAL_MAX 500 /* max beacon interval (TU's) */ 72 #define IEEE80211_BINTVAL_MIN 25 /* min beacon interval (TU's) */ 73 #define IEEE80211_BINTVAL_DEFAULT 100 /* default beacon interval (TU's) */ 74 75 #define IEEE80211_PS_SLEEP 0x1 /* STA is in power saving mode */ 76 #define IEEE80211_PS_MAX_QUEUE 50 /* maximum saved packets */ 77 78 #define IEEE80211_MS_TO_TU(x) (((x) * 1000) / 1024) 79 #define IEEE80211_TU_TO_MS(x) (((x) * 1024) / 1000) 80 81 struct ieee80211_aclator; 82 83 #define IEEE80211_PS_SLEEP 0x1 /* STA is in power saving mode */ 84 85 #define IEEE80211_PS_MAX_QUEUE 50 /* maximum saved packets */ 86 87 struct ieee80211com { 88 SLIST_ENTRY(ieee80211com) ic_next; 89 struct ifnet *ic_ifp; /* associated device */ 90 struct ieee80211_stats ic_stats; /* statistics */ 91 struct sysctllog *ic_sysctllog; /* for destroying sysctl tree */ 92 u_int32_t ic_debug; /* debug msg flags */ 93 int ic_vap; /* virtual AP index */ 94 ieee80211_beacon_lock_t ic_beaconlock; /* beacon update lock */ 95 96 LIST_ENTRY(ieee80211com) ic_list; /* chain of all ieee80211com */ 97 int (*ic_reset)(struct ifnet *); 98 void (*ic_recv_mgmt)(struct ieee80211com *, 99 struct mbuf *, struct ieee80211_node *, 100 int, int, u_int32_t); 101 int (*ic_send_mgmt)(struct ieee80211com *, 102 struct ieee80211_node *, int, int); 103 int (*ic_newstate)(struct ieee80211com *, 104 enum ieee80211_state, int); 105 void (*ic_newassoc)(struct ieee80211com *, 106 struct ieee80211_node *, int); 107 void (*ic_updateslot)(struct ifnet *); 108 void (*ic_set_tim)(struct ieee80211com *, 109 struct ieee80211_node *, int); 110 u_int8_t ic_myaddr[IEEE80211_ADDR_LEN]; 111 struct ieee80211_rateset ic_sup_rates[IEEE80211_MODE_MAX]; 112 struct ieee80211_channel ic_channels[IEEE80211_CHAN_MAX+1]; 113 u_int8_t ic_chan_avail[IEEE80211_CHAN_BYTES]; 114 u_int8_t ic_chan_active[IEEE80211_CHAN_BYTES]; 115 u_int8_t ic_chan_scan[IEEE80211_CHAN_BYTES]; 116 struct ieee80211_node_table ic_scan; /* scan candidates */ 117 struct ifqueue ic_mgtq; 118 u_int32_t ic_flags; /* state flags */ 119 u_int32_t ic_caps; /* capabilities */ 120 u_int16_t ic_modecaps; /* set of mode capabilities */ 121 u_int16_t ic_curmode; /* current mode */ 122 enum ieee80211_phytype ic_phytype; /* XXX wrong for multi-mode */ 123 enum ieee80211_opmode ic_opmode; /* operation mode */ 124 enum ieee80211_state ic_state; /* 802.11 state */ 125 enum ieee80211_protmode ic_protmode; /* 802.11g protection mode */ 126 enum ieee80211_roamingmode ic_roaming; /* roaming mode */ 127 struct ieee80211_node_table ic_sta; /* stations/neighbors */ 128 u_int32_t *ic_aid_bitmap; /* association id map */ 129 u_int16_t ic_max_aid; 130 u_int16_t ic_sta_assoc; /* stations associated */ 131 u_int16_t ic_ps_sta; /* stations in power save */ 132 u_int16_t ic_ps_pending; /* ps sta's w/ pending frames */ 133 u_int8_t *ic_tim_bitmap; /* power-save stations w/ data*/ 134 u_int16_t ic_tim_len; /* ic_tim_bitmap size (bytes) */ 135 u_int8_t ic_dtim_period; /* DTIM period */ 136 u_int8_t ic_dtim_count; /* DTIM count for last bcn */ 137 struct ifmedia ic_media; /* interface media config */ 138 caddr_t ic_rawbpf; /* packet filter structure */ 139 struct ieee80211_node *ic_bss; /* information for this node */ 140 struct ieee80211_channel *ic_ibss_chan; 141 int ic_fixed_rate; /* index to ic_sup_rates[] */ 142 u_int16_t ic_rtsthreshold; 143 u_int16_t ic_fragthreshold; 144 struct ieee80211_node *(*ic_node_alloc)(struct ieee80211_node_table*); 145 void (*ic_node_free)(struct ieee80211_node *); 146 void (*ic_node_cleanup)(struct ieee80211_node *); 147 u_int8_t (*ic_node_getrssi)(const struct ieee80211_node*); 148 u_int16_t ic_lintval; /* listen interval */ 149 u_int16_t ic_holdover; /* PM hold over duration */ 150 u_int16_t ic_txmin; /* min tx retry count */ 151 u_int16_t ic_txmax; /* max tx retry count */ 152 u_int16_t ic_txlifetime; /* tx lifetime */ 153 u_int16_t ic_txpowlimit; /* global tx power limit */ 154 u_int16_t ic_bmisstimeout;/* beacon miss threshold (ms) */ 155 u_int16_t ic_nonerpsta; /* # non-ERP stations */ 156 u_int16_t ic_longslotsta; /* # long slot time stations */ 157 int ic_mgt_timer; /* mgmt timeout */ 158 int ic_inact_timer; /* inactivity timer wait */ 159 int ic_des_esslen; 160 u_int8_t ic_des_essid[IEEE80211_NWID_LEN]; 161 struct ieee80211_channel *ic_des_chan; /* desired channel */ 162 u_int8_t ic_des_bssid[IEEE80211_ADDR_LEN]; 163 void *ic_opt_ie; /* user-specified IE's */ 164 u_int16_t ic_opt_ie_len; /* length of ni_opt_ie */ 165 /* 166 * Inactivity timer settings for nodes. 167 */ 168 int ic_inact_init; /* initial setting */ 169 int ic_inact_auth; /* auth but not assoc setting */ 170 int ic_inact_run; /* authorized setting */ 171 int ic_inact_probe; /* inactive probe time */ 172 173 /* 174 * WME/WMM state. 175 */ 176 struct ieee80211_wme_state ic_wme; 177 178 /* 179 * Cipher state/configuration. 180 */ 181 struct ieee80211_crypto_state ic_crypto; 182 #define ic_nw_keys ic_crypto.cs_nw_keys /* XXX compatibility */ 183 #define ic_def_txkey ic_crypto.cs_def_txkey /* XXX compatibility */ 184 185 /* 186 * 802.1x glue. When an authenticator attaches it 187 * fills in this section. We assume that when ic_ec 188 * is setup that the methods are safe to call. 189 */ 190 const struct ieee80211_authenticator *ic_auth; 191 struct eapolcom *ic_ec; 192 193 /* 194 * Access control glue. When a control agent attaches 195 * it fills in this section. We assume that when ic_ac 196 * is setup that the methods are safe to call. 197 */ 198 const struct ieee80211_aclator *ic_acl; 199 void *ic_as; 200 }; 201 202 LIST_HEAD(ieee80211com_head, ieee80211com); 203 204 extern struct ieee80211com_head ieee80211com_head; 205 206 #define IEEE80211_ADDR_EQ(a1,a2) (memcmp(a1,a2,IEEE80211_ADDR_LEN) == 0) 207 #define IEEE80211_ADDR_COPY(dst,src) memcpy(dst,src,IEEE80211_ADDR_LEN) 208 209 /* ic_flags */ 210 /* NB: bits 0x4f available */ 211 /* NB: this is intentionally setup to be IEEE80211_CAPINFO_PRIVACY */ 212 #define IEEE80211_F_PRIVACY 0x00000010 /* CONF: privacy enabled */ 213 #define IEEE80211_F_PUREG 0x00000020 /* CONF: 11g w/o 11b sta's */ 214 #define IEEE80211_F_SCAN 0x00000080 /* STATUS: scanning */ 215 #define IEEE80211_F_ASCAN 0x00000100 /* STATUS: active scan */ 216 #define IEEE80211_F_SIBSS 0x00000200 /* STATUS: start IBSS */ 217 /* NB: this is intentionally setup to be IEEE80211_CAPINFO_SHORT_SLOTTIME */ 218 #define IEEE80211_F_SHSLOT 0x00000400 /* STATUS: use short slot time*/ 219 #define IEEE80211_F_PMGTON 0x00000800 /* CONF: Power mgmt enable */ 220 #define IEEE80211_F_DESBSSID 0x00001000 /* CONF: des_bssid is set */ 221 #define IEEE80211_F_WME 0x00002000 /* CONF: enable WME use */ 222 #define IEEE80211_F_ROAMING 0x00004000 /* CONF: roaming enabled (???)*/ 223 #define IEEE80211_F_SWRETRY 0x00008000 /* CONF: sw tx retry enabled */ 224 #define IEEE80211_F_TXPOW_FIXED 0x00010000 /* TX Power: fixed rate */ 225 #define IEEE80211_F_IBSSON 0x00020000 /* CONF: IBSS creation enable */ 226 #define IEEE80211_F_SHPREAMBLE 0x00040000 /* STATUS: use short preamble */ 227 #define IEEE80211_F_DATAPAD 0x00080000 /* CONF: do alignment pad */ 228 #define IEEE80211_F_USEPROT 0x00100000 /* STATUS: protection enabled */ 229 #define IEEE80211_F_USEBARKER 0x00200000 /* STATUS: use barker preamble*/ 230 #define IEEE80211_F_TIMUPDATE 0x00400000 /* STATUS: update beacon tim */ 231 #define IEEE80211_F_WPA1 0x00800000 /* CONF: WPA enabled */ 232 #define IEEE80211_F_WPA2 0x01000000 /* CONF: WPA2 enabled */ 233 #define IEEE80211_F_WPA 0x01800000 /* CONF: WPA/WPA2 enabled */ 234 #define IEEE80211_F_DROPUNENC 0x02000000 /* CONF: drop unencrypted */ 235 #define IEEE80211_F_COUNTERM 0x04000000 /* CONF: TKIP countermeasures */ 236 #define IEEE80211_F_HIDESSID 0x08000000 /* CONF: hide SSID in beacon */ 237 #define IEEE80211_F_NOBRIDGE 0x10000000 /* CONF: dis. internal bridge */ 238 #define IEEE80211_F_WMEUPDATE 0x20000000 /* STATUS: update beacon wme */ 239 240 /* ic_caps */ 241 #define IEEE80211_C_WEP 0x00000001 /* CAPABILITY: WEP available */ 242 #define IEEE80211_C_TKIP 0x00000002 /* CAPABILITY: TKIP available */ 243 #define IEEE80211_C_AES 0x00000004 /* CAPABILITY: AES OCB avail */ 244 #define IEEE80211_C_AES_CCM 0x00000008 /* CAPABILITY: AES CCM avail */ 245 #define IEEE80211_C_CKIP 0x00000020 /* CAPABILITY: CKIP available */ 246 #define IEEE80211_C_IBSS 0x00000100 /* CAPABILITY: IBSS available */ 247 #define IEEE80211_C_PMGT 0x00000200 /* CAPABILITY: Power mgmt */ 248 #define IEEE80211_C_HOSTAP 0x00000400 /* CAPABILITY: HOSTAP avail */ 249 #define IEEE80211_C_AHDEMO 0x00000800 /* CAPABILITY: Old Adhoc Demo */ 250 #define IEEE80211_C_SWRETRY 0x00001000 /* CAPABILITY: sw tx retry */ 251 #define IEEE80211_C_TXPMGT 0x00002000 /* CAPABILITY: tx power mgmt */ 252 #define IEEE80211_C_SHSLOT 0x00004000 /* CAPABILITY: short slottime */ 253 #define IEEE80211_C_SHPREAMBLE 0x00008000 /* CAPABILITY: short preamble */ 254 #define IEEE80211_C_MONITOR 0x00010000 /* CAPABILITY: monitor mode */ 255 #define IEEE80211_C_TKIPMIC 0x00020000 /* CAPABILITY: TKIP MIC avail */ 256 #define IEEE80211_C_WPA1 0x00800000 /* CAPABILITY: WPA1 avail */ 257 #define IEEE80211_C_WPA2 0x01000000 /* CAPABILITY: WPA2 avail */ 258 #define IEEE80211_C_WPA 0x01800000 /* CAPABILITY: WPA1+WPA2 avail*/ 259 #define IEEE80211_C_BURST 0x02000000 /* CAPABILITY: frame bursting */ 260 #define IEEE80211_C_WME 0x04000000 /* CAPABILITY: WME avail */ 261 /* XXX protection/barker? */ 262 263 #define IEEE80211_C_CRYPTO 0x0000002f /* CAPABILITY: crypto alg's */ 264 265 void ieee80211_ifattach(struct ieee80211com *); 266 void ieee80211_ifdetach(struct ieee80211com *); 267 void ieee80211_announce(struct ieee80211com *); 268 void ieee80211_media_init(struct ieee80211com *, 269 ifm_change_cb_t, ifm_stat_cb_t); 270 struct ieee80211com *ieee80211_find_vap(const u_int8_t mac[IEEE80211_ADDR_LEN]); 271 int ieee80211_media_change(struct ifnet *); 272 void ieee80211_media_status(struct ifnet *, struct ifmediareq *); 273 int ieee80211_ioctl(struct ieee80211com *, u_long, caddr_t); 274 int ieee80211_cfgget(struct ieee80211com *, u_long, caddr_t); 275 int ieee80211_cfgset(struct ieee80211com *, u_long, caddr_t); 276 void ieee80211_watchdog(struct ieee80211com *); 277 int ieee80211_rate2media(struct ieee80211com *, int, 278 enum ieee80211_phymode); 279 int ieee80211_media2rate(int); 280 u_int ieee80211_mhz2ieee(u_int, u_int); 281 u_int ieee80211_chan2ieee(struct ieee80211com *, struct ieee80211_channel *); 282 u_int ieee80211_ieee2mhz(u_int, u_int); 283 int ieee80211_setmode(struct ieee80211com *, enum ieee80211_phymode); 284 enum ieee80211_phymode ieee80211_chan2mode(struct ieee80211com *, 285 struct ieee80211_channel *); 286 int ieee80211_get_rate(struct ieee80211com *); 287 288 /* 289 * Key update synchronization methods. XXX should not be visible. 290 */ 291 static __inline void 292 ieee80211_key_update_begin(struct ieee80211com *ic) 293 { 294 ic->ic_crypto.cs_key_update_begin(ic); 295 } 296 static __inline void 297 ieee80211_key_update_end(struct ieee80211com *ic) 298 { 299 ic->ic_crypto.cs_key_update_end(ic); 300 } 301 302 /* 303 * XXX these need to be here for IEEE80211_F_DATAPAD 304 */ 305 306 /* 307 * Return the space occupied by the 802.11 header and any 308 * padding required by the driver. This works for a 309 * management or data frame. 310 */ 311 static __inline int 312 ieee80211_hdrspace(struct ieee80211com *ic, const void *data) 313 { 314 int size = ieee80211_hdrsize(data); 315 if (ic->ic_flags & IEEE80211_F_DATAPAD) 316 size = roundup(size, sizeof(u_int32_t)); 317 return size; 318 } 319 320 /* 321 * Like ieee80211_hdrspace, but handles any type of frame. 322 */ 323 static __inline int 324 ieee80211_anyhdrspace(struct ieee80211com *ic, const void *data) 325 { 326 int size = ieee80211_anyhdrsize(data); 327 if (ic->ic_flags & IEEE80211_F_DATAPAD) 328 size = roundup(size, sizeof(u_int32_t)); 329 return size; 330 } 331 332 #define IEEE80211_MSG_DEBUG 0x40000000 /* IFF_DEBUG equivalent */ 333 #define IEEE80211_MSG_DUMPPKTS 0x20000000 /* IFF_LINK2 equivalant */ 334 #define IEEE80211_MSG_CRYPTO 0x10000000 /* crypto work */ 335 #define IEEE80211_MSG_INPUT 0x08000000 /* input handling */ 336 #define IEEE80211_MSG_XRATE 0x04000000 /* rate set handling */ 337 #define IEEE80211_MSG_ELEMID 0x02000000 /* element id parsing */ 338 #define IEEE80211_MSG_NODE 0x01000000 /* node handling */ 339 #define IEEE80211_MSG_ASSOC 0x00800000 /* association handling */ 340 #define IEEE80211_MSG_AUTH 0x00400000 /* authentication handling */ 341 #define IEEE80211_MSG_SCAN 0x00200000 /* scanning */ 342 #define IEEE80211_MSG_OUTPUT 0x00100000 /* output handling */ 343 #define IEEE80211_MSG_STATE 0x00080000 /* state machine */ 344 #define IEEE80211_MSG_POWER 0x00040000 /* power save handling */ 345 #define IEEE80211_MSG_DOT1X 0x00020000 /* 802.1x authenticator */ 346 #define IEEE80211_MSG_DOT1XSM 0x00010000 /* 802.1x state machine */ 347 #define IEEE80211_MSG_RADIUS 0x00008000 /* 802.1x radius client */ 348 #define IEEE80211_MSG_RADDUMP 0x00004000 /* dump 802.1x radius packets */ 349 #define IEEE80211_MSG_RADKEYS 0x00002000 /* dump 802.1x keys */ 350 #define IEEE80211_MSG_WPA 0x00001000 /* WPA/RSN protocol */ 351 #define IEEE80211_MSG_ACL 0x00000800 /* ACL handling */ 352 #define IEEE80211_MSG_WME 0x00000400 /* WME protocol */ 353 354 #define IEEE80211_MSG_ANY 0xffffffff /* anything */ 355 356 #ifdef IEEE80211_DEBUG 357 #define IEEE80211_DPRINTF(_ic, _m, _fmt, ...) do { \ 358 if (_ic->ic_debug & (_m)) \ 359 printf(_fmt, __VA_ARGS__); \ 360 } while (0) 361 #define ieee80211_msg_debug(_ic) \ 362 ((_ic)->ic_debug & IEEE80211_MSG_DEBUG) 363 #define ieee80211_msg_dumppkts(_ic) \ 364 ((_ic)->ic_debug & IEEE80211_MSG_DUMPPKTS) 365 #define ieee80211_msg_input(_ic) \ 366 ((_ic)->ic_debug & IEEE80211_MSG_INPUT) 367 #define ieee80211_msg_radius(_ic) \ 368 ((_ic)->ic_debug & IEEE80211_MSG_RADIUS) 369 #define ieee80211_msg_dumpradius(_ic) \ 370 ((_ic)->ic_debug & IEEE80211_MSG_RADDUMP) 371 #define ieee80211_msg_dumpradkeys(_ic) \ 372 ((_ic)->ic_debug & IEEE80211_MSG_RADKEYS) 373 #define ieee80211_msg_scan(_ic) \ 374 ((_ic)->ic_debug & IEEE80211_MSG_SCAN) 375 #else 376 #define IEEE80211_DPRINTF(_ic, _m, _fmt, ...) 377 #endif 378 379 #endif /* _NET80211_IEEE80211_VAR_H_ */ 380
Indexes created Thu Oct 02 10:09:58 GMT 2025