1 /*- 2 * Copyright (c) 2001 Atsushi Onoe 3 * Copyright (c) 2002-2007 Sam Leffler, Errno Consulting 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 * 26 * $FreeBSD$ 27 */ 28 #ifndef _NET80211_IEEE80211_VAR_H_ 29 #define _NET80211_IEEE80211_VAR_H_ 30 31 /* 32 * Definitions for IEEE 802.11 drivers. 33 */ 34 #define IEEE80211_DEBUG 35 #undef IEEE80211_DEBUG_REFCNT /* node refcnt stuff */ 36 37 /* NB: portability glue must go first */ 38 #ifdef __NetBSD__ 39 #include <net80211/ieee80211_netbsd.h> 40 #elif __FreeBSD__ 41 #include <net80211/ieee80211_freebsd.h> 42 #elif __linux__ 43 #include <net80211/ieee80211_linux.h> 44 #else 45 #error "No support for your operating system!" 46 #endif 47 48 #include <net80211/_ieee80211.h> 49 #include <net80211/ieee80211.h> 50 #include <net80211/ieee80211_crypto.h> 51 #include <net80211/ieee80211_ioctl.h> /* for ieee80211_stats */ 52 #include <net80211/ieee80211_node.h> 53 #include <net80211/ieee80211_power.h> 54 #include <net80211/ieee80211_proto.h> 55 #include <net80211/ieee80211_scan.h> 56 57 #define IEEE80211_TXPOWER_MAX 100 /* .5 dbM (XXX units?) */ 58 #define IEEE80211_TXPOWER_MIN 0 /* kill radio */ 59 60 #define IEEE80211_DTIM_DEFAULT 1 /* default DTIM period */ 61 #define IEEE80211_BINTVAL_DEFAULT 100 /* default beacon interval (TU's) */ 62 63 #define IEEE80211_BMISS_MAX 2 /* maximum consecutive bmiss allowed */ 64 #define IEEE80211_HWBMISS_DEFAULT 7 /* h/w bmiss threshold (beacons) */ 65 66 #define IEEE80211_BGSCAN_INTVAL_MIN 15 /* min bg scan intvl (secs) */ 67 #define IEEE80211_BGSCAN_INTVAL_DEFAULT (5*60) /* default bg scan intvl */ 68 69 #define IEEE80211_BGSCAN_IDLE_MIN 100 /* min idle time (ms) */ 70 #define IEEE80211_BGSCAN_IDLE_DEFAULT 250 /* default idle time (ms) */ 71 72 #define IEEE80211_SCAN_VALID_MIN 10 /* min scan valid time (secs) */ 73 #define IEEE80211_SCAN_VALID_DEFAULT 60 /* default scan valid time */ 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_FIXED_RATE_NONE -1 79 #define IEEE80211_MCAST_RATE_DEFAULT (2*1) /* default mcast rate (1M) */ 80 81 #define IEEE80211_RTS_DEFAULT IEEE80211_RTS_MAX 82 #define IEEE80211_FRAG_DEFAULT IEEE80211_FRAG_MAX 83 84 #define IEEE80211_MS_TO_TU(x) (((x) * 1000) / 1024) 85 #define IEEE80211_TU_TO_MS(x) (((x) * 1024) / 1000) 86 #define IEEE80211_TU_TO_TICKS(x)(((x) * 1024 * hz) / (1000 * 1000)) 87 88 struct ieee80211_aclator; 89 struct sysctl_ctx_list; 90 91 struct ieee80211com { 92 SLIST_ENTRY(ieee80211com) ic_next; 93 struct ifnet *ic_ifp; /* associated device */ 94 ieee80211_com_lock_t ic_comlock; /* state update lock */ 95 ieee80211_beacon_lock_t ic_beaconlock; /* beacon update lock */ 96 struct ieee80211_stats ic_stats; /* statistics */ 97 struct sysctl_ctx_list *ic_sysctl; /* dynamic sysctl context */ 98 uint32_t ic_debug; /* debug msg flags */ 99 int ic_vap; /* virtual AP index */ 100 int ic_headroom; /* driver tx headroom needs */ 101 enum ieee80211_phytype ic_phytype; /* XXX wrong for multi-mode */ 102 enum ieee80211_opmode ic_opmode; /* operation mode */ 103 struct ifmedia ic_media; /* interface media config */ 104 uint8_t ic_myaddr[IEEE80211_ADDR_LEN]; 105 106 uint32_t ic_flags; /* state flags */ 107 uint32_t ic_flags_ext; /* extended state flags */ 108 uint32_t ic_flags_ven; /* vendor state flags */ 109 uint32_t ic_caps; /* capabilities */ 110 uint32_t ic_htcaps; /* HT capabilities */ 111 uint8_t ic_modecaps[2]; /* set of mode capabilities */ 112 uint16_t ic_curmode; /* current mode */ 113 struct ieee80211_rateset ic_sup_rates[IEEE80211_MODE_MAX]; 114 uint16_t ic_bintval; /* beacon interval */ 115 uint16_t ic_lintval; /* listen interval */ 116 uint16_t ic_holdover; /* PM hold over duration */ 117 uint16_t ic_txpowlimit; /* global tx power limit */ 118 int ic_ampdu_rxmax; /* A-MPDU rx limit (bytes) */ 119 int ic_ampdu_density;/* A-MPDU density */ 120 int ic_ampdu_limit; /* A-MPDU tx limit (bytes) */ 121 int ic_amsdu_limit; /* A-MSDU tx limit (bytes) */ 122 123 /* 124 * Channel state: 125 * 126 * ic_channels is the set of available channels for the device; 127 * it is setup by the driver 128 * ic_nchans is the number of valid entries in ic_channels 129 * ic_chan_avail is a bit vector of these channels used to check 130 * whether a channel is available w/o searching the channel table. 131 * ic_chan_active is a (potentially) constrained subset of 132 * ic_chan_avail that reflects any mode setting or user-specified 133 * limit on the set of channels to use/scan 134 * ic_curchan is the current channel the device is set to; it may 135 * be different from ic_bsschan when we are off-channel scanning 136 * or otherwise doing background work 137 * ic_bsschan is the channel selected for operation; it may 138 * be undefined (IEEE80211_CHAN_ANYC) 139 * ic_prevchan is a cached ``previous channel'' used to optimize 140 * lookups when switching back+forth between two channels 141 * (e.g. for dynamic turbo) 142 */ 143 int ic_nchans; /* # entries in ic_channels */ 144 struct ieee80211_channel ic_channels[IEEE80211_CHAN_MAX+1]; 145 uint8_t ic_chan_avail[IEEE80211_CHAN_BYTES]; 146 uint8_t ic_chan_active[IEEE80211_CHAN_BYTES]; 147 uint8_t ic_chan_scan[IEEE80211_CHAN_BYTES]; 148 struct ieee80211_channel *ic_curchan; /* current channel */ 149 struct ieee80211_channel *ic_bsschan; /* bss channel */ 150 struct ieee80211_channel *ic_prevchan; /* previous channel */ 151 int ic_countrycode; /* ISO country code */ 152 uint16_t ic_regdomain; /* regulatory domain */ 153 uint8_t ic_location; /* unknown, indoor, outdoor */ 154 155 struct ieee80211_scan_state *ic_scan; /* scan state */ 156 enum ieee80211_roamingmode ic_roaming; /* roaming mode */ 157 int ic_lastdata; /* time of last data frame */ 158 int ic_lastscan; /* time last scan completed */ 159 int ic_des_nssid; /* # desired ssids */ 160 struct ieee80211_scan_ssid ic_des_ssid[1];/* desired ssid table */ 161 uint8_t ic_des_bssid[IEEE80211_ADDR_LEN]; 162 struct ieee80211_channel *ic_des_chan; /* desired channel */ 163 int ic_des_mode; /* desired phymode */ 164 u_int ic_bgscanidle; /* bg scan idle threshold */ 165 u_int ic_bgscanintvl; /* bg scan min interval */ 166 u_int ic_scanvalid; /* scan cache valid threshold */ 167 struct ieee80211_roam ic_roam; /* sta-mode roaming state */ 168 169 struct ieee80211_node_table ic_sta; /* stations/neighbors */ 170 171 struct ieee80211_wme_state ic_wme; /* WME/WMM state */ 172 const struct ieee80211_aclator *ic_acl; /* aclator glue */ 173 void *ic_as; /* private aclator state */ 174 175 enum ieee80211_protmode ic_protmode; /* 802.11g protection mode */ 176 uint16_t ic_nonerpsta; /* # non-ERP stations */ 177 uint16_t ic_longslotsta; /* # long slot time stations */ 178 uint16_t ic_sta_assoc; /* stations associated */ 179 uint16_t ic_ht_sta_assoc;/* HT stations associated */ 180 uint16_t ic_ht40_sta_assoc;/* HT40 stations associated */ 181 uint8_t ic_curhtprotmode;/* HTINFO bss state */ 182 enum ieee80211_protmode ic_htprotmode; /* HT protection mode */ 183 int ic_lastnonerp; /* last time non-ERP sta noted*/ 184 int ic_lastnonht; /* last time non-HT sta noted */ 185 186 struct ifqueue ic_mgtq; 187 enum ieee80211_state ic_state; /* 802.11 state */ 188 struct callout ic_mgtsend; /* mgmt frame response timer */ 189 uint32_t *ic_aid_bitmap; /* association id map */ 190 uint16_t ic_max_aid; 191 uint16_t ic_ps_sta; /* stations in power save */ 192 uint16_t ic_ps_pending; /* ps sta's w/ pending frames */ 193 uint8_t *ic_tim_bitmap; /* power-save stations w/ data*/ 194 uint16_t ic_tim_len; /* ic_tim_bitmap size (bytes) */ 195 uint8_t ic_dtim_period; /* DTIM period */ 196 uint8_t ic_dtim_count; /* DTIM count for last bcn */ 197 struct bpf_if *ic_rawbpf; /* packet filter structure */ 198 struct ieee80211_node *ic_bss; /* information for this node */ 199 int ic_fixed_rate; /* 802.11 rate or -1 */ 200 int ic_mcast_rate; /* rate for mcast frames */ 201 uint16_t ic_rtsthreshold; 202 uint16_t ic_fragthreshold; 203 uint8_t ic_bmissthreshold; 204 uint8_t ic_bmiss_count; /* current beacon miss count */ 205 int ic_bmiss_max; /* max bmiss before scan */ 206 uint16_t ic_swbmiss_count;/* beacons in last period */ 207 uint16_t ic_swbmiss_period;/* s/w bmiss period */ 208 struct callout ic_swbmiss; /* s/w beacon miss timer */ 209 210 uint16_t ic_txmin; /* min tx retry count */ 211 uint16_t ic_txmax; /* max tx retry count */ 212 uint16_t ic_txlifetime; /* tx lifetime */ 213 struct callout ic_inact; /* inactivity timer wait */ 214 void *ic_opt_ie; /* user-specified IE's */ 215 uint16_t ic_opt_ie_len; /* length of ni_opt_ie */ 216 int ic_inact_init; /* initial setting */ 217 int ic_inact_auth; /* auth but not assoc setting */ 218 int ic_inact_run; /* authorized setting */ 219 int ic_inact_probe; /* inactive probe time */ 220 221 /* 222 * Cipher state/configuration. 223 */ 224 struct ieee80211_crypto_state ic_crypto; 225 #define ic_nw_keys ic_crypto.cs_nw_keys /* XXX compatibility */ 226 #define ic_def_txkey ic_crypto.cs_def_txkey /* XXX compatibility */ 227 /* 228 * 802.1x glue. When an authenticator attaches it 229 * fills in this section. We assume that when ic_ec 230 * is setup that the methods are safe to call. 231 */ 232 const struct ieee80211_authenticator *ic_auth; 233 struct eapolcom *ic_ec; 234 235 /* send/recv 802.11 management frame */ 236 int (*ic_send_mgmt)(struct ieee80211com *, 237 struct ieee80211_node *, int, int); 238 void (*ic_recv_mgmt)(struct ieee80211com *, 239 struct mbuf *, struct ieee80211_node *, 240 int, int, int, uint32_t); 241 /* send raw 802.11 frame */ 242 int (*ic_raw_xmit)(struct ieee80211_node *, 243 struct mbuf *, 244 const struct ieee80211_bpf_params *); 245 /* reset device state after 802.11 parameter/state change */ 246 int (*ic_reset)(struct ifnet *); 247 /* [schedule] beacon frame update */ 248 void (*ic_update_beacon)(struct ieee80211com *, int); 249 /* update device state for 802.11 slot time change */ 250 void (*ic_updateslot)(struct ifnet *); 251 /* new station association callback/notification */ 252 void (*ic_newassoc)(struct ieee80211_node *, int); 253 /* node state management */ 254 struct ieee80211_node *(*ic_node_alloc)(struct ieee80211_node_table*); 255 void (*ic_node_free)(struct ieee80211_node *); 256 void (*ic_node_cleanup)(struct ieee80211_node *); 257 int8_t (*ic_node_getrssi)(const struct ieee80211_node*); 258 void (*ic_node_getsignal)(const struct ieee80211_node*, 259 int8_t *, int8_t *); 260 /* scanning support */ 261 void (*ic_scan_start)(struct ieee80211com *); 262 void (*ic_scan_end)(struct ieee80211com *); 263 void (*ic_set_channel)(struct ieee80211com *); 264 void (*ic_scan_curchan)(struct ieee80211com *, 265 unsigned long); 266 void (*ic_scan_mindwell)(struct ieee80211com *); 267 /* per-vap eventually... */ 268 int (*ic_newstate)(struct ieee80211com *, 269 enum ieee80211_state, int); 270 void (*ic_set_tim)(struct ieee80211_node *, int); 271 272 /* 273 * 802.11n ADDBA support. A simple/generic implementation 274 * of A-MPDU tx aggregation is provided; the driver may 275 * override these methods to provide their own support. 276 * A-MPDU rx re-ordering happens automatically if the 277 * driver passes out-of-order frames to ieee80211_input 278 * from an assocated HT station. 279 */ 280 void (*ic_recv_action)(struct ieee80211_node *, 281 const uint8_t *frm, const uint8_t *efrm); 282 int (*ic_send_action)(struct ieee80211_node *, 283 int category, int action, 284 uint16_t args[4]); 285 /* start/stop doing A-MPDU tx aggregation for a station */ 286 int (*ic_addba_request)(struct ieee80211_node *, 287 struct ieee80211_tx_ampdu *, 288 int dialogtoken, int baparamset, 289 int batimeout); 290 int (*ic_addba_response)(struct ieee80211_node *, 291 struct ieee80211_tx_ampdu *, 292 int status, int baparamset, int batimeout); 293 void (*ic_addba_stop)(struct ieee80211_node *, 294 struct ieee80211_tx_ampdu *); 295 }; 296 297 #define IEEE80211_ADDR_EQ(a1,a2) (memcmp(a1,a2,IEEE80211_ADDR_LEN) == 0) 298 #define IEEE80211_ADDR_COPY(dst,src) memcpy(dst,src,IEEE80211_ADDR_LEN) 299 300 /* ic_flags */ 301 /* NB: bits 0x4c available */ 302 #define IEEE80211_F_TURBOP 0x00000001 /* CONF: ATH Turbo enabled*/ 303 #define IEEE80211_F_COMP 0x00000002 /* CONF: ATH comp enabled */ 304 #define IEEE80211_F_FF 0x00000004 /* CONF: ATH FF enabled */ 305 #define IEEE80211_F_BURST 0x00000008 /* CONF: bursting enabled */ 306 /* NB: this is intentionally setup to be IEEE80211_CAPINFO_PRIVACY */ 307 #define IEEE80211_F_PRIVACY 0x00000010 /* CONF: privacy enabled */ 308 #define IEEE80211_F_PUREG 0x00000020 /* CONF: 11g w/o 11b sta's */ 309 #define IEEE80211_F_SCAN 0x00000080 /* STATUS: scanning */ 310 #define IEEE80211_F_ASCAN 0x00000100 /* STATUS: active scan */ 311 #define IEEE80211_F_SIBSS 0x00000200 /* STATUS: start IBSS */ 312 /* NB: this is intentionally setup to be IEEE80211_CAPINFO_SHORT_SLOTTIME */ 313 #define IEEE80211_F_SHSLOT 0x00000400 /* STATUS: use short slot time*/ 314 #define IEEE80211_F_PMGTON 0x00000800 /* CONF: Power mgmt enable */ 315 #define IEEE80211_F_DESBSSID 0x00001000 /* CONF: des_bssid is set */ 316 #define IEEE80211_F_WME 0x00002000 /* CONF: enable WME use */ 317 #define IEEE80211_F_BGSCAN 0x00004000 /* CONF: bg scan enabled (???)*/ 318 #define IEEE80211_F_SWRETRY 0x00008000 /* CONF: sw tx retry enabled */ 319 #define IEEE80211_F_TXPOW_FIXED 0x00010000 /* TX Power: fixed rate */ 320 #define IEEE80211_F_IBSSON 0x00020000 /* CONF: IBSS creation enable */ 321 #define IEEE80211_F_SHPREAMBLE 0x00040000 /* STATUS: use short preamble */ 322 #define IEEE80211_F_DATAPAD 0x00080000 /* CONF: do alignment pad */ 323 #define IEEE80211_F_USEPROT 0x00100000 /* STATUS: protection enabled */ 324 #define IEEE80211_F_USEBARKER 0x00200000 /* STATUS: use barker preamble*/ 325 #define IEEE80211_F_WPA1 0x00800000 /* CONF: WPA enabled */ 326 #define IEEE80211_F_WPA2 0x01000000 /* CONF: WPA2 enabled */ 327 #define IEEE80211_F_WPA 0x01800000 /* CONF: WPA/WPA2 enabled */ 328 #define IEEE80211_F_DROPUNENC 0x02000000 /* CONF: drop unencrypted */ 329 #define IEEE80211_F_COUNTERM 0x04000000 /* CONF: TKIP countermeasures */ 330 #define IEEE80211_F_HIDESSID 0x08000000 /* CONF: hide SSID in beacon */ 331 #define IEEE80211_F_NOBRIDGE 0x10000000 /* CONF: dis. internal bridge */ 332 #define IEEE80211_F_DOTH 0x40000000 /* CONF: 11h enabled */ 333 334 /* Atheros protocol-specific flags */ 335 #define IEEE80211_F_ATHEROS \ 336 (IEEE80211_F_FF | IEEE80211_F_COMP | IEEE80211_F_TURBOP) 337 /* Check if an Atheros capability was negotiated for use */ 338 #define IEEE80211_ATH_CAP(ic, ni, bit) \ 339 ((ic)->ic_flags & (ni)->ni_ath_flags & (bit)) 340 341 /* ic_flags_ext */ 342 #define IEEE80211_FEXT_NONHT_PR 0x00000001 /* STATUS: non-HT sta present */ 343 #define IEEE80211_FEXT_INACT 0x00000002 /* CONF: sta inact handling */ 344 /* 0x00000006 reserved */ 345 #define IEEE80211_FEXT_BGSCAN 0x00000008 /* STATUS: complete bgscan */ 346 #define IEEE80211_FEXT_NONERP_PR 0x00000200 /* STATUS: non-ERP sta present*/ 347 #define IEEE80211_FEXT_SWBMISS 0x00000400 /* CONF: do bmiss in s/w */ 348 #define IEEE80211_FEXT_PROBECHAN 0x00020000 /* CONF: probe passive channel*/ 349 #define IEEE80211_FEXT_HT 0x00080000 /* CONF: HT supported */ 350 #define IEEE80211_FEXT_AMPDU_TX 0x00100000 /* CONF: A-MPDU tx supported */ 351 #define IEEE80211_FEXT_AMPDU_RX 0x00200000 /* CONF: A-MPDU tx supported */ 352 #define IEEE80211_FEXT_AMSDU_TX 0x00400000 /* CONF: A-MSDU tx supported */ 353 #define IEEE80211_FEXT_AMSDU_RX 0x00800000 /* CONF: A-MSDU tx supported */ 354 #define IEEE80211_FEXT_USEHT40 0x01000000 /* CONF: 20/40 use enabled */ 355 #define IEEE80211_FEXT_PUREN 0x02000000 /* CONF: 11n w/o legacy sta's */ 356 #define IEEE80211_FEXT_SHORTGI20 0x04000000 /* CONF: short GI in HT20 */ 357 #define IEEE80211_FEXT_SHORTGI40 0x08000000 /* CONF: short GI in HT40 */ 358 #define IEEE80211_FEXT_HTCOMPAT 0x10000000 /* CONF: HT vendor OUI's */ 359 360 /* ic_caps */ 361 #define IEEE80211_C_WEP 0x00000001 /* CAPABILITY: WEP available */ 362 #define IEEE80211_C_TKIP 0x00000002 /* CAPABILITY: TKIP available */ 363 #define IEEE80211_C_AES 0x00000004 /* CAPABILITY: AES OCB avail */ 364 #define IEEE80211_C_AES_CCM 0x00000008 /* CAPABILITY: AES CCM avail */ 365 #define IEEE80211_C_CKIP 0x00000020 /* CAPABILITY: CKIP available */ 366 #define IEEE80211_C_FF 0x00000040 /* CAPABILITY: ATH FF avail */ 367 #define IEEE80211_C_TURBOP 0x00000080 /* CAPABILITY: ATH Turbo avail*/ 368 #define IEEE80211_C_IBSS 0x00000100 /* CAPABILITY: IBSS available */ 369 #define IEEE80211_C_PMGT 0x00000200 /* CAPABILITY: Power mgmt */ 370 #define IEEE80211_C_HOSTAP 0x00000400 /* CAPABILITY: HOSTAP avail */ 371 #define IEEE80211_C_AHDEMO 0x00000800 /* CAPABILITY: Old Adhoc Demo */ 372 #define IEEE80211_C_SWRETRY 0x00001000 /* CAPABILITY: sw tx retry */ 373 #define IEEE80211_C_TXPMGT 0x00002000 /* CAPABILITY: tx power mgmt */ 374 #define IEEE80211_C_SHSLOT 0x00004000 /* CAPABILITY: short slottime */ 375 #define IEEE80211_C_SHPREAMBLE 0x00008000 /* CAPABILITY: short preamble */ 376 #define IEEE80211_C_MONITOR 0x00010000 /* CAPABILITY: monitor mode */ 377 #define IEEE80211_C_TKIPMIC 0x00020000 /* CAPABILITY: TKIP MIC avail */ 378 #define IEEE80211_C_WPA1 0x00800000 /* CAPABILITY: WPA1 avail */ 379 #define IEEE80211_C_WPA2 0x01000000 /* CAPABILITY: WPA2 avail */ 380 #define IEEE80211_C_WPA 0x01800000 /* CAPABILITY: WPA1+WPA2 avail*/ 381 #define IEEE80211_C_BURST 0x02000000 /* CAPABILITY: frame bursting */ 382 #define IEEE80211_C_WME 0x04000000 /* CAPABILITY: WME avail */ 383 #define IEEE80211_C_WDS 0x08000000 /* CAPABILITY: 4-addr support */ 384 /* 0x10000000 reserved */ 385 #define IEEE80211_C_BGSCAN 0x20000000 /* CAPABILITY: bg scanning */ 386 #define IEEE80211_C_TXFRAG 0x40000000 /* CAPABILITY: tx fragments */ 387 /* XXX protection/barker? */ 388 389 #define IEEE80211_C_CRYPTO 0x0000002f /* CAPABILITY: crypto alg's */ 390 391 /* 392 * ic_htcaps: HT-specific device/driver capabilities 393 * 394 * NB: the low 16-bits are the 802.11 definitions, the upper 395 * 16-bits are used to define s/w/driver capabilities. 396 */ 397 #define IEEE80211_HTC_AMPDU 0x00010000 /* CAPABILITY: A-MPDU tx */ 398 #define IEEE80211_HTC_AMSDU 0x00020000 /* CAPABILITY: A-MSDU tx */ 399 /* NB: HT40 is implied by IEEE80211_HTCAP_CHWIDTH40 */ 400 #define IEEE80211_HTC_HT 0x00040000 /* CAPABILITY: HT operation */ 401 402 void ieee80211_ifattach(struct ieee80211com *); 403 void ieee80211_ifdetach(struct ieee80211com *); 404 const struct ieee80211_rateset *ieee80211_get_suprates(struct ieee80211com *ic, 405 const struct ieee80211_channel *); 406 void ieee80211_announce(struct ieee80211com *); 407 void ieee80211_announce_channels(struct ieee80211com *); 408 void ieee80211_media_init(struct ieee80211com *, 409 ifm_change_cb_t, ifm_stat_cb_t); 410 struct ieee80211com *ieee80211_find_vap(const uint8_t mac[IEEE80211_ADDR_LEN]); 411 int ieee80211_media_change(struct ifnet *); 412 void ieee80211_media_status(struct ifnet *, struct ifmediareq *); 413 int ieee80211_ioctl(struct ieee80211com *, u_long, caddr_t); 414 int ieee80211_cfgget(struct ieee80211com *, u_long, caddr_t); 415 int ieee80211_cfgset(struct ieee80211com *, u_long, caddr_t); 416 int ieee80211_rate2media(struct ieee80211com *, int, 417 enum ieee80211_phymode); 418 int ieee80211_media2rate(int); 419 int ieee80211_mhz2ieee(u_int, u_int); 420 int ieee80211_chan2ieee(struct ieee80211com *, 421 const struct ieee80211_channel *); 422 u_int ieee80211_ieee2mhz(u_int, u_int); 423 struct ieee80211_channel *ieee80211_find_channel(struct ieee80211com *, 424 int freq, int flags); 425 struct ieee80211_channel *ieee80211_find_channel_byieee(struct ieee80211com *, 426 int ieee, int flags); 427 int ieee80211_setmode(struct ieee80211com *, enum ieee80211_phymode); 428 enum ieee80211_phymode ieee80211_chan2mode(const struct ieee80211_channel *); 429 430 /* 431 * Key update synchronization methods. XXX should not be visible. 432 */ 433 static __inline void 434 ieee80211_key_update_begin(struct ieee80211com *ic) 435 { 436 ic->ic_crypto.cs_key_update_begin(ic); 437 } 438 static __inline void 439 ieee80211_key_update_end(struct ieee80211com *ic) 440 { 441 ic->ic_crypto.cs_key_update_end(ic); 442 } 443 444 /* 445 * XXX these need to be here for IEEE80211_F_DATAPAD 446 */ 447 448 /* 449 * Return the space occupied by the 802.11 header and any 450 * padding required by the driver. This works for a 451 * management or data frame. 452 */ 453 static __inline int 454 ieee80211_hdrspace(struct ieee80211com *ic, const void *data) 455 { 456 int size = ieee80211_hdrsize(data); 457 if (ic->ic_flags & IEEE80211_F_DATAPAD) 458 size = roundup(size, sizeof(uint32_t)); 459 return size; 460 } 461 462 /* 463 * Like ieee80211_hdrspace, but handles any type of frame. 464 */ 465 static __inline int 466 ieee80211_anyhdrspace(struct ieee80211com *ic, const void *data) 467 { 468 int size = ieee80211_anyhdrsize(data); 469 if (ic->ic_flags & IEEE80211_F_DATAPAD) 470 size = roundup(size, sizeof(uint32_t)); 471 return size; 472 } 473 474 /* 475 * Notify a driver that beacon state has been updated. 476 */ 477 static __inline void 478 ieee80211_beacon_notify(struct ieee80211com *ic, int what) 479 { 480 if (ic->ic_state == IEEE80211_S_RUN) 481 ic->ic_update_beacon(ic, what); 482 } 483 484 /* 485 * Debugging facilities compiled in when IEEE80211_DEBUG is defined. 486 * 487 * The intent is that any problem in the net80211 layer can be 488 * diagnosed by inspecting the statistics (dumped by the wlanstats 489 * program) and/or the msgs generated by net80211. Messages are 490 * broken into functional classes and can be controlled with the 491 * wlandebug program. Certain of these msg groups are for facilities 492 * that are no longer part of net80211 (e.g. IEEE80211_MSG_DOT1X). 493 */ 494 #define IEEE80211_MSG_11N 0x80000000 /* 11n mode debug */ 495 #define IEEE80211_MSG_DEBUG 0x40000000 /* IFF_DEBUG equivalent */ 496 #define IEEE80211_MSG_DUMPPKTS 0x20000000 /* IFF_LINK2 equivalant */ 497 #define IEEE80211_MSG_CRYPTO 0x10000000 /* crypto work */ 498 #define IEEE80211_MSG_INPUT 0x08000000 /* input handling */ 499 #define IEEE80211_MSG_XRATE 0x04000000 /* rate set handling */ 500 #define IEEE80211_MSG_ELEMID 0x02000000 /* element id parsing */ 501 #define IEEE80211_MSG_NODE 0x01000000 /* node handling */ 502 #define IEEE80211_MSG_ASSOC 0x00800000 /* association handling */ 503 #define IEEE80211_MSG_AUTH 0x00400000 /* authentication handling */ 504 #define IEEE80211_MSG_SCAN 0x00200000 /* scanning */ 505 #define IEEE80211_MSG_OUTPUT 0x00100000 /* output handling */ 506 #define IEEE80211_MSG_STATE 0x00080000 /* state machine */ 507 #define IEEE80211_MSG_POWER 0x00040000 /* power save handling */ 508 #define IEEE80211_MSG_DOT1X 0x00020000 /* 802.1x authenticator */ 509 #define IEEE80211_MSG_DOT1XSM 0x00010000 /* 802.1x state machine */ 510 #define IEEE80211_MSG_RADIUS 0x00008000 /* 802.1x radius client */ 511 #define IEEE80211_MSG_RADDUMP 0x00004000 /* dump 802.1x radius packets */ 512 #define IEEE80211_MSG_RADKEYS 0x00002000 /* dump 802.1x keys */ 513 #define IEEE80211_MSG_WPA 0x00001000 /* WPA/RSN protocol */ 514 #define IEEE80211_MSG_ACL 0x00000800 /* ACL handling */ 515 #define IEEE80211_MSG_WME 0x00000400 /* WME protocol */ 516 #define IEEE80211_MSG_SUPERG 0x00000200 /* Atheros SuperG protocol */ 517 #define IEEE80211_MSG_DOTH 0x00000100 /* 802.11h support */ 518 #define IEEE80211_MSG_INACT 0x00000080 /* inactivity handling */ 519 #define IEEE80211_MSG_ROAM 0x00000040 /* sta-mode roaming */ 520 #define IEEE80211_MSG_RATECTL 0x00000020 /* tx rate control */ 521 #define IEEE80211_MSG_ACTION 0x00000010 /* action frame handling */ 522 #define IEEE80211_MSG_WDS 0x00000008 /* WDS handling */ 523 #define IEEE80211_MSG_IOCTL 0x00000004 /* ioctl handling */ 524 525 #define IEEE80211_MSG_ANY 0xffffffff /* anything */ 526 527 #ifdef IEEE80211_DEBUG 528 #define ieee80211_msg(_ic, _m) ((_ic)->ic_debug & (_m)) 529 #define IEEE80211_DPRINTF(_ic, _m, _fmt, ...) do { \ 530 if (ieee80211_msg(_ic, _m)) \ 531 ieee80211_note(_ic, _fmt, __VA_ARGS__); \ 532 } while (0) 533 #define IEEE80211_NOTE(_ic, _m, _ni, _fmt, ...) do { \ 534 if (ieee80211_msg(_ic, _m)) \ 535 ieee80211_note_mac(_ic, (_ni)->ni_macaddr, _fmt, __VA_ARGS__);\ 536 } while (0) 537 #define IEEE80211_NOTE_MAC(_ic, _m, _mac, _fmt, ...) do { \ 538 if (ieee80211_msg(_ic, _m)) \ 539 ieee80211_note_mac(_ic, _mac, _fmt, __VA_ARGS__); \ 540 } while (0) 541 #define IEEE80211_NOTE_FRAME(_ic, _m, _wh, _fmt, ...) do { \ 542 if (ieee80211_msg(_ic, _m)) \ 543 ieee80211_note_frame(_ic, _wh, _fmt, __VA_ARGS__); \ 544 } while (0) 545 void ieee80211_note(struct ieee80211com *ic, const char *fmt, ...); 546 void ieee80211_note_mac(struct ieee80211com *ic, 547 const uint8_t mac[IEEE80211_ADDR_LEN], const char *fmt, ...); 548 void ieee80211_note_frame(struct ieee80211com *ic, 549 const struct ieee80211_frame *wh, const char *fmt, ...); 550 #define ieee80211_msg_debug(_ic) \ 551 ((_ic)->ic_debug & IEEE80211_MSG_DEBUG) 552 #define ieee80211_msg_dumppkts(_ic) \ 553 ((_ic)->ic_debug & IEEE80211_MSG_DUMPPKTS) 554 #define ieee80211_msg_input(_ic) \ 555 ((_ic)->ic_debug & IEEE80211_MSG_INPUT) 556 #define ieee80211_msg_radius(_ic) \ 557 ((_ic)->ic_debug & IEEE80211_MSG_RADIUS) 558 #define ieee80211_msg_dumpradius(_ic) \ 559 ((_ic)->ic_debug & IEEE80211_MSG_RADDUMP) 560 #define ieee80211_msg_dumpradkeys(_ic) \ 561 ((_ic)->ic_debug & IEEE80211_MSG_RADKEYS) 562 #define ieee80211_msg_scan(_ic) \ 563 ((_ic)->ic_debug & IEEE80211_MSG_SCAN) 564 #define ieee80211_msg_assoc(_ic) \ 565 ((_ic)->ic_debug & IEEE80211_MSG_ASSOC) 566 567 /* 568 * Emit a debug message about discarding a frame or information 569 * element. One format is for extracting the mac address from 570 * the frame header; the other is for when a header is not 571 * available or otherwise appropriate. 572 */ 573 #define IEEE80211_DISCARD(_ic, _m, _wh, _type, _fmt, ...) do { \ 574 if ((_ic)->ic_debug & (_m)) \ 575 ieee80211_discard_frame(_ic, _wh, _type, _fmt, __VA_ARGS__);\ 576 } while (0) 577 #define IEEE80211_DISCARD_IE(_ic, _m, _wh, _type, _fmt, ...) do { \ 578 if ((_ic)->ic_debug & (_m)) \ 579 ieee80211_discard_ie(_ic, _wh, _type, _fmt, __VA_ARGS__);\ 580 } while (0) 581 #define IEEE80211_DISCARD_MAC(_ic, _m, _mac, _type, _fmt, ...) do { \ 582 if ((_ic)->ic_debug & (_m)) \ 583 ieee80211_discard_mac(_ic, _mac, _type, _fmt, __VA_ARGS__);\ 584 } while (0) 585 586 void ieee80211_discard_frame(struct ieee80211com *, 587 const struct ieee80211_frame *, const char *type, const char *fmt, ...); 588 void ieee80211_discard_ie(struct ieee80211com *, 589 const struct ieee80211_frame *, const char *type, const char *fmt, ...); 590 void ieee80211_discard_mac(struct ieee80211com *, 591 const uint8_t mac[IEEE80211_ADDR_LEN], const char *type, 592 const char *fmt, ...); 593 #else 594 #define IEEE80211_DPRINTF(_ic, _m, _fmt, ...) 595 #define IEEE80211_NOTE(_ic, _m, _ni, _fmt, ...) 596 #define IEEE80211_NOTE_FRAME(_ic, _m, _wh, _fmt, ...) 597 #define IEEE80211_NOTE_MAC(_ic, _m, _mac, _fmt, ...) 598 #define ieee80211_msg_dumppkts(_ic) 0 599 #define ieee80211_msg(_ic, _m) 0 600 601 #define IEEE80211_DISCARD(_ic, _m, _wh, _type, _fmt, ...) 602 #define IEEE80211_DISCARD_IE(_ic, _m, _wh, _type, _fmt, ...) 603 #define IEEE80211_DISCARD_MAC(_ic, _m, _mac, _type, _fmt, ...) 604 #endif 605 606 #endif /* _NET80211_IEEE80211_VAR_H_ */ 607