1 /*- 2 * Copyright (c) 2001 Atsushi Onoe 3 * Copyright (c) 2002-2009 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 /* NB: portability glue must go first */ 35 #if defined(__NetBSD__) 36 #include <net80211/ieee80211_netbsd.h> 37 #elif defined(__FreeBSD__) 38 #include <net80211/ieee80211_freebsd.h> 39 #elif defined(__linux__) 40 #include <net80211/ieee80211_linux.h> 41 #else 42 #error "No support for your operating system!" 43 #endif 44 45 #include <net80211/_ieee80211.h> 46 #include <net80211/ieee80211.h> 47 #include <net80211/ieee80211_ageq.h> 48 #include <net80211/ieee80211_crypto.h> 49 #include <net80211/ieee80211_dfs.h> 50 #include <net80211/ieee80211_ioctl.h> /* for ieee80211_stats */ 51 #include <net80211/ieee80211_phy.h> 52 #include <net80211/ieee80211_power.h> 53 #include <net80211/ieee80211_node.h> 54 #include <net80211/ieee80211_proto.h> 55 #include <net80211/ieee80211_radiotap.h> 56 #include <net80211/ieee80211_scan.h> 57 58 #define IEEE80211_TXPOWER_MAX 100 /* .5 dBm (XXX units?) */ 59 #define IEEE80211_TXPOWER_MIN 0 /* kill radio */ 60 61 #define IEEE80211_DTIM_DEFAULT 1 /* default DTIM period */ 62 #define IEEE80211_BINTVAL_DEFAULT 100 /* default beacon interval (TU's) */ 63 64 #define IEEE80211_BMISS_MAX 2 /* maximum consecutive bmiss allowed */ 65 #define IEEE80211_HWBMISS_DEFAULT 7 /* h/w bmiss threshold (beacons) */ 66 67 #define IEEE80211_BGSCAN_INTVAL_MIN 15 /* min bg scan intvl (secs) */ 68 #define IEEE80211_BGSCAN_INTVAL_DEFAULT (5*60) /* default bg scan intvl */ 69 70 #define IEEE80211_BGSCAN_IDLE_MIN 100 /* min idle time (ms) */ 71 #define IEEE80211_BGSCAN_IDLE_DEFAULT 250 /* default idle time (ms) */ 72 73 #define IEEE80211_SCAN_VALID_MIN 10 /* min scan valid time (secs) */ 74 #define IEEE80211_SCAN_VALID_DEFAULT 60 /* default scan valid time */ 75 76 #define IEEE80211_PS_SLEEP 0x1 /* STA is in power saving mode */ 77 #define IEEE80211_PS_MAX_QUEUE 50 /* maximum saved packets */ 78 79 #define IEEE80211_FIXED_RATE_NONE 0xff 80 #define IEEE80211_TXMAX_DEFAULT 6 /* default ucast max retries */ 81 82 #define IEEE80211_RTS_DEFAULT IEEE80211_RTS_MAX 83 #define IEEE80211_FRAG_DEFAULT IEEE80211_FRAG_MAX 84 85 #define IEEE80211_MS_TO_TU(x) (((x) * 1000) / 1024) 86 #define IEEE80211_TU_TO_MS(x) (((x) * 1024) / 1000) 87 /* XXX TODO: cap this at 1, in case hz is not 1000 */ 88 #define IEEE80211_TU_TO_TICKS(x)(((uint64_t)(x) * 1024 * hz) / (1000 * 1000)) 89 90 /* 91 * 802.11 control state is split into a common portion that maps 92 * 1-1 to a physical device and one or more "Virtual AP's" (VAP) 93 * that are bound to an ieee80211com instance and share a single 94 * underlying device. Each VAP has a corresponding OS device 95 * entity through which traffic flows and that applications use 96 * for issuing ioctls, etc. 97 */ 98 99 /* 100 * Data common to one or more virtual AP's. State shared by 101 * the underlying device and the net80211 layer is exposed here; 102 * e.g. device-specific callbacks. 103 */ 104 struct ieee80211vap; 105 typedef void (*ieee80211vap_attach)(struct ieee80211vap *); 106 107 struct ieee80211_appie { 108 uint16_t ie_len; /* size of ie_data */ 109 uint8_t ie_data[]; /* user-specified IE's */ 110 }; 111 112 struct ieee80211_tdma_param; 113 struct ieee80211_rate_table; 114 struct ieee80211_tx_ampdu; 115 struct ieee80211_rx_ampdu; 116 struct ieee80211_superg; 117 struct ieee80211_frame; 118 119 struct ieee80211com { 120 void *ic_softc; /* driver softc */ 121 const char *ic_name; /* usually device name */ 122 ieee80211_com_lock_t ic_comlock; /* state update lock */ 123 ieee80211_tx_lock_t ic_txlock; /* ic/vap TX lock */ 124 LIST_ENTRY(ieee80211com) ic_next; /* on global list */ 125 TAILQ_HEAD(, ieee80211vap) ic_vaps; /* list of vap instances */ 126 int ic_headroom; /* driver tx headroom needs */ 127 enum ieee80211_phytype ic_phytype; /* XXX wrong for multi-mode */ 128 enum ieee80211_opmode ic_opmode; /* operation mode */ 129 struct callout ic_inact; /* inactivity processing */ 130 struct taskqueue *ic_tq; /* deferred state thread */ 131 struct task ic_parent_task; /* deferred parent processing */ 132 struct task ic_promisc_task;/* deferred promisc update */ 133 struct task ic_mcast_task; /* deferred mcast update */ 134 struct task ic_chan_task; /* deferred channel change */ 135 struct task ic_bmiss_task; /* deferred beacon miss hndlr */ 136 struct task ic_chw_task; /* deferred HT CHW update */ 137 struct task ic_wme_task; /* deferred WME update */ 138 struct task ic_restart_task; /* deferred device restart */ 139 140 counter_u64_t ic_ierrors; /* input errors */ 141 counter_u64_t ic_oerrors; /* output errors */ 142 143 uint32_t ic_flags; /* state flags */ 144 uint32_t ic_flags_ext; /* extended state flags */ 145 uint32_t ic_flags_ht; /* HT state flags */ 146 uint32_t ic_flags_ven; /* vendor state flags */ 147 uint32_t ic_caps; /* capabilities */ 148 uint32_t ic_htcaps; /* HT capabilities */ 149 uint32_t ic_htextcaps; /* HT extended capabilities */ 150 uint32_t ic_cryptocaps; /* crypto capabilities */ 151 uint8_t ic_modecaps[2]; /* set of mode capabilities */ 152 uint8_t ic_promisc; /* vap's needing promisc mode */ 153 uint8_t ic_allmulti; /* vap's needing all multicast*/ 154 uint8_t ic_nrunning; /* vap's marked running */ 155 uint8_t ic_curmode; /* current mode */ 156 uint8_t ic_macaddr[IEEE80211_ADDR_LEN]; 157 uint16_t ic_bintval; /* beacon interval */ 158 uint16_t ic_lintval; /* listen interval */ 159 uint16_t ic_holdover; /* PM hold over duration */ 160 uint16_t ic_txpowlimit; /* global tx power limit */ 161 struct ieee80211_rateset ic_sup_rates[IEEE80211_MODE_MAX]; 162 163 /* 164 * Channel state: 165 * 166 * ic_channels is the set of available channels for the device; 167 * it is setup by the driver 168 * ic_nchans is the number of valid entries in ic_channels 169 * ic_chan_avail is a bit vector of these channels used to check 170 * whether a channel is available w/o searching the channel table. 171 * ic_chan_active is a (potentially) constrained subset of 172 * ic_chan_avail that reflects any mode setting or user-specified 173 * limit on the set of channels to use/scan 174 * ic_curchan is the current channel the device is set to; it may 175 * be different from ic_bsschan when we are off-channel scanning 176 * or otherwise doing background work 177 * ic_bsschan is the channel selected for operation; it may 178 * be undefined (IEEE80211_CHAN_ANYC) 179 * ic_prevchan is a cached ``previous channel'' used to optimize 180 * lookups when switching back+forth between two channels 181 * (e.g. for dynamic turbo) 182 */ 183 int ic_nchans; /* # entries in ic_channels */ 184 struct ieee80211_channel ic_channels[IEEE80211_CHAN_MAX]; 185 uint8_t ic_chan_avail[IEEE80211_CHAN_BYTES]; 186 uint8_t ic_chan_active[IEEE80211_CHAN_BYTES]; 187 uint8_t ic_chan_scan[IEEE80211_CHAN_BYTES]; 188 struct ieee80211_channel *ic_curchan; /* current channel */ 189 const struct ieee80211_rate_table *ic_rt; /* table for ic_curchan */ 190 struct ieee80211_channel *ic_bsschan; /* bss channel */ 191 struct ieee80211_channel *ic_prevchan; /* previous channel */ 192 struct ieee80211_regdomain ic_regdomain;/* regulatory data */ 193 struct ieee80211_appie *ic_countryie; /* calculated country ie */ 194 struct ieee80211_channel *ic_countryie_chan; 195 196 /* 802.11h/DFS state */ 197 struct ieee80211_channel *ic_csa_newchan;/* channel for doing CSA */ 198 short ic_csa_mode; /* mode for doing CSA */ 199 short ic_csa_count; /* count for doing CSA */ 200 struct ieee80211_dfs_state ic_dfs; /* DFS state */ 201 202 struct ieee80211_scan_state *ic_scan; /* scan state */ 203 struct ieee80211_scan_methods *ic_scan_methods; /* scan methods */ 204 int ic_lastdata; /* time of last data frame */ 205 int ic_lastscan; /* time last scan completed */ 206 207 /* NB: this is the union of all vap stations/neighbors */ 208 int ic_max_keyix; /* max h/w key index */ 209 struct ieee80211_node_table ic_sta; /* stations/neighbors */ 210 struct ieee80211_ageq ic_stageq; /* frame staging queue */ 211 uint32_t ic_hash_key; /* random key for mac hash */ 212 213 /* XXX multi-bss: split out common/vap parts */ 214 struct ieee80211_wme_state ic_wme; /* WME/WMM state */ 215 216 /* XXX multi-bss: can per-vap be done/make sense? */ 217 enum ieee80211_protmode ic_protmode; /* 802.11g protection mode */ 218 uint16_t ic_nonerpsta; /* # non-ERP stations */ 219 uint16_t ic_longslotsta; /* # long slot time stations */ 220 uint16_t ic_sta_assoc; /* stations associated */ 221 uint16_t ic_ht_sta_assoc;/* HT stations associated */ 222 uint16_t ic_ht40_sta_assoc;/* HT40 stations associated */ 223 uint8_t ic_curhtprotmode;/* HTINFO bss state */ 224 enum ieee80211_protmode ic_htprotmode; /* HT protection mode */ 225 int ic_lastnonerp; /* last time non-ERP sta noted*/ 226 int ic_lastnonht; /* last time non-HT sta noted */ 227 uint8_t ic_rxstream; /* # RX streams */ 228 uint8_t ic_txstream; /* # TX streams */ 229 230 /* optional state for Atheros SuperG protocol extensions */ 231 struct ieee80211_superg *ic_superg; 232 233 /* radiotap handling */ 234 struct ieee80211_radiotap_header *ic_th;/* tx radiotap headers */ 235 void *ic_txchan; /* channel state in ic_th */ 236 struct ieee80211_radiotap_header *ic_rh;/* rx radiotap headers */ 237 void *ic_rxchan; /* channel state in ic_rh */ 238 int ic_montaps; /* active monitor mode taps */ 239 240 /* virtual ap create/delete */ 241 struct ieee80211vap* (*ic_vap_create)(struct ieee80211com *, 242 const char [IFNAMSIZ], int, 243 enum ieee80211_opmode, int, 244 const uint8_t [IEEE80211_ADDR_LEN], 245 const uint8_t [IEEE80211_ADDR_LEN]); 246 void (*ic_vap_delete)(struct ieee80211vap *); 247 /* device specific ioctls */ 248 int (*ic_ioctl)(struct ieee80211com *, 249 u_long, void *); 250 /* start/stop device */ 251 void (*ic_parent)(struct ieee80211com *); 252 /* operating mode attachment */ 253 ieee80211vap_attach ic_vattach[IEEE80211_OPMODE_MAX]; 254 /* return hardware/radio capabilities */ 255 void (*ic_getradiocaps)(struct ieee80211com *, 256 int, int *, struct ieee80211_channel []); 257 /* check and/or prepare regdomain state change */ 258 int (*ic_setregdomain)(struct ieee80211com *, 259 struct ieee80211_regdomain *, 260 int, struct ieee80211_channel []); 261 262 int (*ic_set_quiet)(struct ieee80211_node *, 263 u_int8_t *quiet_elm); 264 265 /* regular transmit */ 266 int (*ic_transmit)(struct ieee80211com *, 267 struct mbuf *); 268 /* send/recv 802.11 management frame */ 269 int (*ic_send_mgmt)(struct ieee80211_node *, 270 int, int); 271 /* send raw 802.11 frame */ 272 int (*ic_raw_xmit)(struct ieee80211_node *, 273 struct mbuf *, 274 const struct ieee80211_bpf_params *); 275 /* update device state for 802.11 slot time change */ 276 void (*ic_updateslot)(struct ieee80211com *); 277 /* handle multicast state changes */ 278 void (*ic_update_mcast)(struct ieee80211com *); 279 /* handle promiscuous mode changes */ 280 void (*ic_update_promisc)(struct ieee80211com *); 281 /* new station association callback/notification */ 282 void (*ic_newassoc)(struct ieee80211_node *, int); 283 /* TDMA update notification */ 284 void (*ic_tdma_update)(struct ieee80211_node *, 285 const struct ieee80211_tdma_param *, int); 286 /* node state management */ 287 struct ieee80211_node* (*ic_node_alloc)(struct ieee80211vap *, 288 const uint8_t [IEEE80211_ADDR_LEN]); 289 void (*ic_node_free)(struct ieee80211_node *); 290 void (*ic_node_cleanup)(struct ieee80211_node *); 291 void (*ic_node_age)(struct ieee80211_node *); 292 void (*ic_node_drain)(struct ieee80211_node *); 293 int8_t (*ic_node_getrssi)(const struct ieee80211_node*); 294 void (*ic_node_getsignal)(const struct ieee80211_node*, 295 int8_t *, int8_t *); 296 void (*ic_node_getmimoinfo)( 297 const struct ieee80211_node*, 298 struct ieee80211_mimo_info *); 299 /* scanning support */ 300 void (*ic_scan_start)(struct ieee80211com *); 301 void (*ic_scan_end)(struct ieee80211com *); 302 void (*ic_set_channel)(struct ieee80211com *); 303 void (*ic_scan_curchan)(struct ieee80211_scan_state *, 304 unsigned long); 305 void (*ic_scan_mindwell)(struct ieee80211_scan_state *); 306 307 /* 308 * 802.11n ADDBA support. A simple/generic implementation 309 * of A-MPDU tx aggregation is provided; the driver may 310 * override these methods to provide their own support. 311 * A-MPDU rx re-ordering happens automatically if the 312 * driver passes out-of-order frames to ieee80211_input 313 * from an assocated HT station. 314 */ 315 int (*ic_recv_action)(struct ieee80211_node *, 316 const struct ieee80211_frame *, 317 const uint8_t *frm, const uint8_t *efrm); 318 int (*ic_send_action)(struct ieee80211_node *, 319 int category, int action, void *); 320 /* check if A-MPDU should be enabled this station+ac */ 321 int (*ic_ampdu_enable)(struct ieee80211_node *, 322 struct ieee80211_tx_ampdu *); 323 /* start/stop doing A-MPDU tx aggregation for a station */ 324 int (*ic_addba_request)(struct ieee80211_node *, 325 struct ieee80211_tx_ampdu *, 326 int dialogtoken, int baparamset, 327 int batimeout); 328 int (*ic_addba_response)(struct ieee80211_node *, 329 struct ieee80211_tx_ampdu *, 330 int status, int baparamset, int batimeout); 331 void (*ic_addba_stop)(struct ieee80211_node *, 332 struct ieee80211_tx_ampdu *); 333 void (*ic_addba_response_timeout)(struct ieee80211_node *, 334 struct ieee80211_tx_ampdu *); 335 /* BAR response received */ 336 void (*ic_bar_response)(struct ieee80211_node *, 337 struct ieee80211_tx_ampdu *, int status); 338 /* start/stop doing A-MPDU rx processing for a station */ 339 int (*ic_ampdu_rx_start)(struct ieee80211_node *, 340 struct ieee80211_rx_ampdu *, int baparamset, 341 int batimeout, int baseqctl); 342 void (*ic_ampdu_rx_stop)(struct ieee80211_node *, 343 struct ieee80211_rx_ampdu *); 344 345 /* The channel width has changed (20<->2040) */ 346 void (*ic_update_chw)(struct ieee80211com *); 347 348 uint64_t ic_spare[7]; 349 }; 350 351 struct ieee80211_aclator; 352 struct ieee80211_tdma_state; 353 struct ieee80211_mesh_state; 354 struct ieee80211_hwmp_state; 355 356 struct ieee80211vap { 357 struct ifmedia iv_media; /* interface media config */ 358 struct ifnet *iv_ifp; /* associated device */ 359 struct bpf_if *iv_rawbpf; /* packet filter structure */ 360 struct sysctl_ctx_list *iv_sysctl; /* dynamic sysctl context */ 361 struct sysctl_oid *iv_oid; /* net.wlan.X sysctl oid */ 362 363 TAILQ_ENTRY(ieee80211vap) iv_next; /* list of vap instances */ 364 struct ieee80211com *iv_ic; /* back ptr to common state */ 365 /* MAC address: ifp or ic */ 366 uint8_t iv_myaddr[IEEE80211_ADDR_LEN]; 367 uint32_t iv_debug; /* debug msg flags */ 368 struct ieee80211_stats iv_stats; /* statistics */ 369 370 uint32_t iv_flags; /* state flags */ 371 uint32_t iv_flags_ext; /* extended state flags */ 372 uint32_t iv_flags_ht; /* HT state flags */ 373 uint32_t iv_flags_ven; /* vendor state flags */ 374 uint32_t iv_ifflags; /* ifnet flags */ 375 uint32_t iv_caps; /* capabilities */ 376 uint32_t iv_htcaps; /* HT capabilities */ 377 uint32_t iv_htextcaps; /* HT extended capabilities */ 378 enum ieee80211_opmode iv_opmode; /* operation mode */ 379 enum ieee80211_state iv_state; /* state machine state */ 380 enum ieee80211_state iv_nstate; /* pending state */ 381 int iv_nstate_arg; /* pending state arg */ 382 struct task iv_nstate_task; /* deferred state processing */ 383 struct task iv_swbmiss_task;/* deferred iv_bmiss call */ 384 struct callout iv_mgtsend; /* mgmt frame response timer */ 385 /* inactivity timer settings */ 386 int iv_inact_init; /* setting for new station */ 387 int iv_inact_auth; /* auth but not assoc setting */ 388 int iv_inact_run; /* authorized setting */ 389 int iv_inact_probe; /* inactive probe time */ 390 391 int iv_des_nssid; /* # desired ssids */ 392 struct ieee80211_scan_ssid iv_des_ssid[1];/* desired ssid table */ 393 uint8_t iv_des_bssid[IEEE80211_ADDR_LEN]; 394 struct ieee80211_channel *iv_des_chan; /* desired channel */ 395 uint16_t iv_des_mode; /* desired mode */ 396 int iv_nicknamelen; /* XXX junk */ 397 uint8_t iv_nickname[IEEE80211_NWID_LEN]; 398 u_int iv_bgscanidle; /* bg scan idle threshold */ 399 u_int iv_bgscanintvl; /* bg scan min interval */ 400 u_int iv_scanvalid; /* scan cache valid threshold */ 401 u_int iv_scanreq_duration; 402 u_int iv_scanreq_mindwell; 403 u_int iv_scanreq_maxdwell; 404 uint16_t iv_scanreq_flags;/* held scan request params */ 405 uint8_t iv_scanreq_nssid; 406 struct ieee80211_scan_ssid iv_scanreq_ssid[IEEE80211_SCAN_MAX_SSID]; 407 /* sta-mode roaming state */ 408 enum ieee80211_roamingmode iv_roaming; /* roaming mode */ 409 struct ieee80211_roamparam iv_roamparms[IEEE80211_MODE_MAX]; 410 411 uint8_t iv_bmissthreshold; 412 uint8_t iv_bmiss_count; /* current beacon miss count */ 413 int iv_bmiss_max; /* max bmiss before scan */ 414 uint16_t iv_swbmiss_count;/* beacons in last period */ 415 uint16_t iv_swbmiss_period;/* s/w bmiss period */ 416 struct callout iv_swbmiss; /* s/w beacon miss timer */ 417 418 int iv_ampdu_rxmax; /* A-MPDU rx limit (bytes) */ 419 int iv_ampdu_density;/* A-MPDU density */ 420 int iv_ampdu_limit; /* A-MPDU tx limit (bytes) */ 421 int iv_amsdu_limit; /* A-MSDU tx limit (bytes) */ 422 u_int iv_ampdu_mintraffic[WME_NUM_AC]; 423 424 struct ieee80211_beacon_offsets iv_bcn_off; 425 uint32_t *iv_aid_bitmap; /* association id map */ 426 uint16_t iv_max_aid; 427 uint16_t iv_sta_assoc; /* stations associated */ 428 uint16_t iv_ps_sta; /* stations in power save */ 429 uint16_t iv_ps_pending; /* ps sta's w/ pending frames */ 430 uint16_t iv_txseq; /* mcast xmit seq# space */ 431 uint16_t iv_tim_len; /* ic_tim_bitmap size (bytes) */ 432 uint8_t *iv_tim_bitmap; /* power-save stations w/ data*/ 433 uint8_t iv_dtim_period; /* DTIM period */ 434 uint8_t iv_dtim_count; /* DTIM count from last bcn */ 435 /* set/unset aid pwrsav state */ 436 uint8_t iv_quiet; /* Quiet Element */ 437 uint8_t iv_quiet_count; /* constant count for Quiet Element */ 438 uint8_t iv_quiet_count_value; /* variable count for Quiet Element */ 439 uint8_t iv_quiet_period; /* period for Quiet Element */ 440 uint16_t iv_quiet_duration; /* duration for Quiet Element */ 441 uint16_t iv_quiet_offset; /* offset for Quiet Element */ 442 int iv_csa_count; /* count for doing CSA */ 443 444 struct ieee80211_node *iv_bss; /* information for this node */ 445 struct ieee80211_txparam iv_txparms[IEEE80211_MODE_MAX]; 446 uint16_t iv_rtsthreshold; 447 uint16_t iv_fragthreshold; 448 int iv_inact_timer; /* inactivity timer wait */ 449 /* application-specified IE's to attach to mgt frames */ 450 struct ieee80211_appie *iv_appie_beacon; 451 struct ieee80211_appie *iv_appie_probereq; 452 struct ieee80211_appie *iv_appie_proberesp; 453 struct ieee80211_appie *iv_appie_assocreq; 454 struct ieee80211_appie *iv_appie_assocresp; 455 struct ieee80211_appie *iv_appie_wpa; 456 uint8_t *iv_wpa_ie; 457 uint8_t *iv_rsn_ie; 458 uint16_t iv_max_keyix; /* max h/w key index */ 459 ieee80211_keyix iv_def_txkey; /* default/group tx key index */ 460 struct ieee80211_key iv_nw_keys[IEEE80211_WEP_NKID]; 461 int (*iv_key_alloc)(struct ieee80211vap *, 462 struct ieee80211_key *, 463 ieee80211_keyix *, ieee80211_keyix *); 464 int (*iv_key_delete)(struct ieee80211vap *, 465 const struct ieee80211_key *); 466 int (*iv_key_set)(struct ieee80211vap *, 467 const struct ieee80211_key *); 468 void (*iv_key_update_begin)(struct ieee80211vap *); 469 void (*iv_key_update_end)(struct ieee80211vap *); 470 471 const struct ieee80211_authenticator *iv_auth; /* authenticator glue */ 472 void *iv_ec; /* private auth state */ 473 474 const struct ieee80211_aclator *iv_acl; /* acl glue */ 475 void *iv_as; /* private aclator state */ 476 477 const struct ieee80211_ratectl *iv_rate; 478 void *iv_rs; /* private ratectl state */ 479 480 struct ieee80211_tdma_state *iv_tdma; /* tdma state */ 481 struct ieee80211_mesh_state *iv_mesh; /* MBSS state */ 482 struct ieee80211_hwmp_state *iv_hwmp; /* HWMP state */ 483 484 /* operate-mode detach hook */ 485 void (*iv_opdetach)(struct ieee80211vap *); 486 /* receive processing */ 487 int (*iv_input)(struct ieee80211_node *, 488 struct mbuf *, 489 const struct ieee80211_rx_stats *, 490 int, int); 491 void (*iv_recv_mgmt)(struct ieee80211_node *, 492 struct mbuf *, int, 493 const struct ieee80211_rx_stats *, 494 int, int); 495 void (*iv_recv_ctl)(struct ieee80211_node *, 496 struct mbuf *, int); 497 void (*iv_deliver_data)(struct ieee80211vap *, 498 struct ieee80211_node *, struct mbuf *); 499 #if 0 500 /* send processing */ 501 int (*iv_send_mgmt)(struct ieee80211_node *, 502 int, int); 503 #endif 504 /* beacon miss processing */ 505 void (*iv_bmiss)(struct ieee80211vap *); 506 /* reset device state after 802.11 parameter/state change */ 507 int (*iv_reset)(struct ieee80211vap *, u_long); 508 /* [schedule] beacon frame update */ 509 void (*iv_update_beacon)(struct ieee80211vap *, int); 510 /* power save handling */ 511 void (*iv_update_ps)(struct ieee80211vap *, int); 512 int (*iv_set_tim)(struct ieee80211_node *, int); 513 void (*iv_node_ps)(struct ieee80211_node *, int); 514 void (*iv_sta_ps)(struct ieee80211vap *, int); 515 void (*iv_recv_pspoll)(struct ieee80211_node *, 516 struct mbuf *); 517 518 /* state machine processing */ 519 int (*iv_newstate)(struct ieee80211vap *, 520 enum ieee80211_state, int); 521 /* 802.3 output method for raw frame xmit */ 522 int (*iv_output)(struct ifnet *, struct mbuf *, 523 const struct sockaddr *, struct route *); 524 uint64_t iv_spare[6]; 525 }; 526 MALLOC_DECLARE(M_80211_VAP); 527 528 #define IEEE80211_ADDR_EQ(a1,a2) (memcmp(a1,a2,IEEE80211_ADDR_LEN) == 0) 529 #define IEEE80211_ADDR_COPY(dst,src) memcpy(dst,src,IEEE80211_ADDR_LEN) 530 531 /* ic_flags/iv_flags */ 532 #define IEEE80211_F_TURBOP 0x00000001 /* CONF: ATH Turbo enabled*/ 533 #define IEEE80211_F_COMP 0x00000002 /* CONF: ATH comp enabled */ 534 #define IEEE80211_F_FF 0x00000004 /* CONF: ATH FF enabled */ 535 #define IEEE80211_F_BURST 0x00000008 /* CONF: bursting enabled */ 536 /* NB: this is intentionally setup to be IEEE80211_CAPINFO_PRIVACY */ 537 #define IEEE80211_F_PRIVACY 0x00000010 /* CONF: privacy enabled */ 538 #define IEEE80211_F_PUREG 0x00000020 /* CONF: 11g w/o 11b sta's */ 539 #define IEEE80211_F_SCAN 0x00000080 /* STATUS: scanning */ 540 #define IEEE80211_F_ASCAN 0x00000100 /* STATUS: active scan */ 541 #define IEEE80211_F_SIBSS 0x00000200 /* STATUS: start IBSS */ 542 /* NB: this is intentionally setup to be IEEE80211_CAPINFO_SHORT_SLOTTIME */ 543 #define IEEE80211_F_SHSLOT 0x00000400 /* STATUS: use short slot time*/ 544 #define IEEE80211_F_PMGTON 0x00000800 /* CONF: Power mgmt enable */ 545 #define IEEE80211_F_DESBSSID 0x00001000 /* CONF: des_bssid is set */ 546 #define IEEE80211_F_WME 0x00002000 /* CONF: enable WME use */ 547 #define IEEE80211_F_BGSCAN 0x00004000 /* CONF: bg scan enabled (???)*/ 548 #define IEEE80211_F_SWRETRY 0x00008000 /* CONF: sw tx retry enabled */ 549 #define IEEE80211_F_TXPOW_FIXED 0x00010000 /* TX Power: fixed rate */ 550 #define IEEE80211_F_IBSSON 0x00020000 /* CONF: IBSS creation enable */ 551 #define IEEE80211_F_SHPREAMBLE 0x00040000 /* STATUS: use short preamble */ 552 #define IEEE80211_F_DATAPAD 0x00080000 /* CONF: do alignment pad */ 553 #define IEEE80211_F_USEPROT 0x00100000 /* STATUS: protection enabled */ 554 #define IEEE80211_F_USEBARKER 0x00200000 /* STATUS: use barker preamble*/ 555 #define IEEE80211_F_CSAPENDING 0x00400000 /* STATUS: chan switch pending*/ 556 #define IEEE80211_F_WPA1 0x00800000 /* CONF: WPA enabled */ 557 #define IEEE80211_F_WPA2 0x01000000 /* CONF: WPA2 enabled */ 558 #define IEEE80211_F_WPA 0x01800000 /* CONF: WPA/WPA2 enabled */ 559 #define IEEE80211_F_DROPUNENC 0x02000000 /* CONF: drop unencrypted */ 560 #define IEEE80211_F_COUNTERM 0x04000000 /* CONF: TKIP countermeasures */ 561 #define IEEE80211_F_HIDESSID 0x08000000 /* CONF: hide SSID in beacon */ 562 #define IEEE80211_F_NOBRIDGE 0x10000000 /* CONF: dis. internal bridge */ 563 #define IEEE80211_F_PCF 0x20000000 /* CONF: PCF enabled */ 564 #define IEEE80211_F_DOTH 0x40000000 /* CONF: 11h enabled */ 565 #define IEEE80211_F_DWDS 0x80000000 /* CONF: Dynamic WDS enabled */ 566 567 #define IEEE80211_F_BITS \ 568 "\20\1TURBOP\2COMP\3FF\4BURST\5PRIVACY\6PUREG\10SCAN\11ASCAN\12SIBSS" \ 569 "\13SHSLOT\14PMGTON\15DESBSSID\16WME\17BGSCAN\20SWRETRY\21TXPOW_FIXED" \ 570 "\22IBSSON\23SHPREAMBLE\24DATAPAD\25USEPROT\26USERBARKER\27CSAPENDING" \ 571 "\30WPA1\31WPA2\32DROPUNENC\33COUNTERM\34HIDESSID\35NOBRIDG\36PCF" \ 572 "\37DOTH\40DWDS" 573 574 /* Atheros protocol-specific flags */ 575 #define IEEE80211_F_ATHEROS \ 576 (IEEE80211_F_FF | IEEE80211_F_COMP | IEEE80211_F_TURBOP) 577 /* Check if an Atheros capability was negotiated for use */ 578 #define IEEE80211_ATH_CAP(vap, ni, bit) \ 579 ((vap)->iv_flags & (ni)->ni_ath_flags & (bit)) 580 581 /* ic_flags_ext/iv_flags_ext */ 582 #define IEEE80211_FEXT_INACT 0x00000002 /* CONF: sta inact handling */ 583 #define IEEE80211_FEXT_SCANWAIT 0x00000004 /* STATUS: awaiting scan */ 584 /* 0x00000006 reserved */ 585 #define IEEE80211_FEXT_BGSCAN 0x00000008 /* STATUS: complete bgscan */ 586 #define IEEE80211_FEXT_WPS 0x00000010 /* CONF: WPS enabled */ 587 #define IEEE80211_FEXT_TSN 0x00000020 /* CONF: TSN enabled */ 588 #define IEEE80211_FEXT_SCANREQ 0x00000040 /* STATUS: scan req params */ 589 #define IEEE80211_FEXT_RESUME 0x00000080 /* STATUS: start on resume */ 590 #define IEEE80211_FEXT_4ADDR 0x00000100 /* CONF: apply 4-addr encap */ 591 #define IEEE80211_FEXT_NONERP_PR 0x00000200 /* STATUS: non-ERP sta present*/ 592 #define IEEE80211_FEXT_SWBMISS 0x00000400 /* CONF: do bmiss in s/w */ 593 #define IEEE80211_FEXT_DFS 0x00000800 /* CONF: DFS enabled */ 594 #define IEEE80211_FEXT_DOTD 0x00001000 /* CONF: 11d enabled */ 595 #define IEEE80211_FEXT_STATEWAIT 0x00002000 /* STATUS: awaiting state chg */ 596 #define IEEE80211_FEXT_REINIT 0x00004000 /* STATUS: INIT state first */ 597 #define IEEE80211_FEXT_BPF 0x00008000 /* STATUS: BPF tap present */ 598 /* NB: immutable: should be set only when creating a vap */ 599 #define IEEE80211_FEXT_WDSLEGACY 0x00010000 /* CONF: legacy WDS operation */ 600 #define IEEE80211_FEXT_PROBECHAN 0x00020000 /* CONF: probe passive channel*/ 601 #define IEEE80211_FEXT_UNIQMAC 0x00040000 /* CONF: user or computed mac */ 602 603 #define IEEE80211_FEXT_BITS \ 604 "\20\2INACT\3SCANWAIT\4BGSCAN\5WPS\6TSN\7SCANREQ\10RESUME" \ 605 "\0114ADDR\12NONEPR_PR\13SWBMISS\14DFS\15DOTD\16STATEWAIT\17REINIT" \ 606 "\20BPF\21WDSLEGACY\22PROBECHAN\23UNIQMAC" 607 608 /* ic_flags_ht/iv_flags_ht */ 609 #define IEEE80211_FHT_NONHT_PR 0x00000001 /* STATUS: non-HT sta present */ 610 #define IEEE80211_FHT_GF 0x00040000 /* CONF: Greenfield enabled */ 611 #define IEEE80211_FHT_HT 0x00080000 /* CONF: HT supported */ 612 #define IEEE80211_FHT_AMPDU_TX 0x00100000 /* CONF: A-MPDU tx supported */ 613 #define IEEE80211_FHT_AMPDU_RX 0x00200000 /* CONF: A-MPDU rx supported */ 614 #define IEEE80211_FHT_AMSDU_TX 0x00400000 /* CONF: A-MSDU tx supported */ 615 #define IEEE80211_FHT_AMSDU_RX 0x00800000 /* CONF: A-MSDU rx supported */ 616 #define IEEE80211_FHT_USEHT40 0x01000000 /* CONF: 20/40 use enabled */ 617 #define IEEE80211_FHT_PUREN 0x02000000 /* CONF: 11n w/o legacy sta's */ 618 #define IEEE80211_FHT_SHORTGI20 0x04000000 /* CONF: short GI in HT20 */ 619 #define IEEE80211_FHT_SHORTGI40 0x08000000 /* CONF: short GI in HT40 */ 620 #define IEEE80211_FHT_HTCOMPAT 0x10000000 /* CONF: HT vendor OUI's */ 621 #define IEEE80211_FHT_RIFS 0x20000000 /* CONF: RIFS enabled */ 622 #define IEEE80211_FHT_STBC_TX 0x40000000 /* CONF: STBC tx enabled */ 623 #define IEEE80211_FHT_STBC_RX 0x80000000 /* CONF: STBC rx enabled */ 624 625 #define IEEE80211_FHT_BITS \ 626 "\20\1NONHT_PR" \ 627 "\23GF\24HT\25AMPDU_TX\26AMPDU_TX" \ 628 "\27AMSDU_TX\30AMSDU_RX\31USEHT40\32PUREN\33SHORTGI20\34SHORTGI40" \ 629 "\35HTCOMPAT\36RIFS\37STBC_TX\40STBC_RX" 630 631 #define IEEE80211_FVEN_BITS "\20" 632 633 /* ic_caps/iv_caps: device driver capabilities */ 634 /* 0x2e available */ 635 #define IEEE80211_C_STA 0x00000001 /* CAPABILITY: STA available */ 636 #define IEEE80211_C_8023ENCAP 0x00000002 /* CAPABILITY: 802.3 encap */ 637 #define IEEE80211_C_FF 0x00000040 /* CAPABILITY: ATH FF avail */ 638 #define IEEE80211_C_TURBOP 0x00000080 /* CAPABILITY: ATH Turbo avail*/ 639 #define IEEE80211_C_IBSS 0x00000100 /* CAPABILITY: IBSS available */ 640 #define IEEE80211_C_PMGT 0x00000200 /* CAPABILITY: Power mgmt */ 641 #define IEEE80211_C_HOSTAP 0x00000400 /* CAPABILITY: HOSTAP avail */ 642 #define IEEE80211_C_AHDEMO 0x00000800 /* CAPABILITY: Old Adhoc Demo */ 643 #define IEEE80211_C_SWRETRY 0x00001000 /* CAPABILITY: sw tx retry */ 644 #define IEEE80211_C_TXPMGT 0x00002000 /* CAPABILITY: tx power mgmt */ 645 #define IEEE80211_C_SHSLOT 0x00004000 /* CAPABILITY: short slottime */ 646 #define IEEE80211_C_SHPREAMBLE 0x00008000 /* CAPABILITY: short preamble */ 647 #define IEEE80211_C_MONITOR 0x00010000 /* CAPABILITY: monitor mode */ 648 #define IEEE80211_C_DFS 0x00020000 /* CAPABILITY: DFS/radar avail*/ 649 #define IEEE80211_C_MBSS 0x00040000 /* CAPABILITY: MBSS available */ 650 #define IEEE80211_C_SWSLEEP 0x00080000 /* CAPABILITY: do sleep here */ 651 #define IEEE80211_C_SWAMSDUTX 0x00100000 /* CAPABILITY: software A-MSDU TX */ 652 /* 0x7c0000 available */ 653 #define IEEE80211_C_WPA1 0x00800000 /* CAPABILITY: WPA1 avail */ 654 #define IEEE80211_C_WPA2 0x01000000 /* CAPABILITY: WPA2 avail */ 655 #define IEEE80211_C_WPA 0x01800000 /* CAPABILITY: WPA1+WPA2 avail*/ 656 #define IEEE80211_C_BURST 0x02000000 /* CAPABILITY: frame bursting */ 657 #define IEEE80211_C_WME 0x04000000 /* CAPABILITY: WME avail */ 658 #define IEEE80211_C_WDS 0x08000000 /* CAPABILITY: 4-addr support */ 659 /* 0x10000000 reserved */ 660 #define IEEE80211_C_BGSCAN 0x20000000 /* CAPABILITY: bg scanning */ 661 #define IEEE80211_C_TXFRAG 0x40000000 /* CAPABILITY: tx fragments */ 662 #define IEEE80211_C_TDMA 0x80000000 /* CAPABILITY: TDMA avail */ 663 /* XXX protection/barker? */ 664 665 #define IEEE80211_C_OPMODE \ 666 (IEEE80211_C_STA | IEEE80211_C_IBSS | IEEE80211_C_HOSTAP | \ 667 IEEE80211_C_AHDEMO | IEEE80211_C_MONITOR | IEEE80211_C_WDS | \ 668 IEEE80211_C_TDMA | IEEE80211_C_MBSS) 669 670 #define IEEE80211_C_BITS \ 671 "\20\1STA\002803ENCAP\7FF\10TURBOP\11IBSS\12PMGT" \ 672 "\13HOSTAP\14AHDEMO\15SWRETRY\16TXPMGT\17SHSLOT\20SHPREAMBLE" \ 673 "\21MONITOR\22DFS\23MBSS\30WPA1\31WPA2\32BURST\33WME\34WDS\36BGSCAN" \ 674 "\37TXFRAG\40TDMA" 675 676 /* 677 * ic_htcaps/iv_htcaps: HT-specific device/driver capabilities 678 * 679 * NB: the low 16-bits are the 802.11 definitions, the upper 680 * 16-bits are used to define s/w/driver capabilities. 681 */ 682 #define IEEE80211_HTC_AMPDU 0x00010000 /* CAPABILITY: A-MPDU tx */ 683 #define IEEE80211_HTC_AMSDU 0x00020000 /* CAPABILITY: A-MSDU tx */ 684 /* NB: HT40 is implied by IEEE80211_HTCAP_CHWIDTH40 */ 685 #define IEEE80211_HTC_HT 0x00040000 /* CAPABILITY: HT operation */ 686 #define IEEE80211_HTC_SMPS 0x00080000 /* CAPABILITY: MIMO power save*/ 687 #define IEEE80211_HTC_RIFS 0x00100000 /* CAPABILITY: RIFS support */ 688 #define IEEE80211_HTC_RXUNEQUAL 0x00200000 /* CAPABILITY: RX unequal MCS */ 689 #define IEEE80211_HTC_RXMCS32 0x00400000 /* CAPABILITY: MCS32 support */ 690 #define IEEE80211_HTC_TXUNEQUAL 0x00800000 /* CAPABILITY: TX unequal MCS */ 691 #define IEEE80211_HTC_TXMCS32 0x01000000 /* CAPABILITY: MCS32 suport */ 692 693 #define IEEE80211_C_HTCAP_BITS \ 694 "\20\1LDPC\2CHWIDTH40\5GREENFIELD\6SHORTGI20\7SHORTGI40\10TXSTBC" \ 695 "\21AMPDU\22AMSDU\23HT\24SMPS\25RIFS" 696 697 int ic_printf(struct ieee80211com *, const char *, ...) __printflike(2, 3); 698 void ieee80211_ifattach(struct ieee80211com *); 699 void ieee80211_ifdetach(struct ieee80211com *); 700 int ieee80211_vap_setup(struct ieee80211com *, struct ieee80211vap *, 701 const char name[IFNAMSIZ], int unit, 702 enum ieee80211_opmode opmode, int flags, 703 const uint8_t bssid[IEEE80211_ADDR_LEN]); 704 int ieee80211_vap_attach(struct ieee80211vap *, 705 ifm_change_cb_t, ifm_stat_cb_t, 706 const uint8_t macaddr[IEEE80211_ADDR_LEN]); 707 void ieee80211_vap_detach(struct ieee80211vap *); 708 const struct ieee80211_rateset *ieee80211_get_suprates(struct ieee80211com *ic, 709 const struct ieee80211_channel *); 710 void ieee80211_announce(struct ieee80211com *); 711 void ieee80211_announce_channels(struct ieee80211com *); 712 void ieee80211_drain(struct ieee80211com *); 713 void ieee80211_chan_init(struct ieee80211com *); 714 struct ieee80211com *ieee80211_find_vap(const uint8_t mac[IEEE80211_ADDR_LEN]); 715 struct ieee80211com *ieee80211_find_com(const char *name); 716 int ieee80211_media_change(struct ifnet *); 717 void ieee80211_media_status(struct ifnet *, struct ifmediareq *); 718 int ieee80211_ioctl(struct ifnet *, u_long, caddr_t); 719 int ieee80211_rate2media(struct ieee80211com *, int, 720 enum ieee80211_phymode); 721 int ieee80211_media2rate(int); 722 int ieee80211_mhz2ieee(u_int, u_int); 723 int ieee80211_chan2ieee(struct ieee80211com *, 724 const struct ieee80211_channel *); 725 u_int ieee80211_ieee2mhz(u_int, u_int); 726 struct ieee80211_channel *ieee80211_find_channel(struct ieee80211com *, 727 int freq, int flags); 728 struct ieee80211_channel *ieee80211_find_channel_byieee(struct ieee80211com *, 729 int ieee, int flags); 730 struct ieee80211_channel *ieee80211_lookup_channel_rxstatus(struct ieee80211vap *, 731 const struct ieee80211_rx_stats *); 732 int ieee80211_setmode(struct ieee80211com *, enum ieee80211_phymode); 733 enum ieee80211_phymode ieee80211_chan2mode(const struct ieee80211_channel *); 734 uint32_t ieee80211_mac_hash(const struct ieee80211com *, 735 const uint8_t addr[IEEE80211_ADDR_LEN]); 736 char ieee80211_channel_type_char(const struct ieee80211_channel *c); 737 738 void ieee80211_radiotap_attach(struct ieee80211com *, 739 struct ieee80211_radiotap_header *th, int tlen, 740 uint32_t tx_radiotap, 741 struct ieee80211_radiotap_header *rh, int rlen, 742 uint32_t rx_radiotap); 743 void ieee80211_radiotap_attachv(struct ieee80211com *, 744 struct ieee80211_radiotap_header *th, 745 int tlen, int n_tx_v, uint32_t tx_radiotap, 746 struct ieee80211_radiotap_header *rh, 747 int rlen, int n_rx_v, uint32_t rx_radiotap); 748 void ieee80211_radiotap_detach(struct ieee80211com *); 749 void ieee80211_radiotap_vattach(struct ieee80211vap *); 750 void ieee80211_radiotap_vdetach(struct ieee80211vap *); 751 void ieee80211_radiotap_chan_change(struct ieee80211com *); 752 void ieee80211_radiotap_tx(struct ieee80211vap *, struct mbuf *); 753 void ieee80211_radiotap_rx(struct ieee80211vap *, struct mbuf *); 754 void ieee80211_radiotap_rx_all(struct ieee80211com *, struct mbuf *); 755 756 static __inline int 757 ieee80211_radiotap_active(const struct ieee80211com *ic) 758 { 759 return (ic->ic_flags_ext & IEEE80211_FEXT_BPF) != 0; 760 } 761 762 static __inline int 763 ieee80211_radiotap_active_vap(const struct ieee80211vap *vap) 764 { 765 return (vap->iv_flags_ext & IEEE80211_FEXT_BPF) || 766 vap->iv_ic->ic_montaps != 0; 767 } 768 769 /* 770 * Enqueue a task on the state thread. 771 */ 772 static __inline void 773 ieee80211_runtask(struct ieee80211com *ic, struct task *task) 774 { 775 taskqueue_enqueue(ic->ic_tq, task); 776 } 777 778 /* 779 * Wait for a queued task to complete. 780 */ 781 static __inline void 782 ieee80211_draintask(struct ieee80211com *ic, struct task *task) 783 { 784 taskqueue_drain(ic->ic_tq, task); 785 } 786 787 /* 788 * Key update synchronization methods. XXX should not be visible. 789 */ 790 static __inline void 791 ieee80211_key_update_begin(struct ieee80211vap *vap) 792 { 793 vap->iv_key_update_begin(vap); 794 } 795 static __inline void 796 ieee80211_key_update_end(struct ieee80211vap *vap) 797 { 798 vap->iv_key_update_end(vap); 799 } 800 801 /* 802 * XXX these need to be here for IEEE80211_F_DATAPAD 803 */ 804 805 /* 806 * Return the space occupied by the 802.11 header and any 807 * padding required by the driver. This works for a 808 * management or data frame. 809 */ 810 static __inline int 811 ieee80211_hdrspace(struct ieee80211com *ic, const void *data) 812 { 813 int size = ieee80211_hdrsize(data); 814 if (ic->ic_flags & IEEE80211_F_DATAPAD) 815 size = roundup(size, sizeof(uint32_t)); 816 return size; 817 } 818 819 /* 820 * Like ieee80211_hdrspace, but handles any type of frame. 821 */ 822 static __inline int 823 ieee80211_anyhdrspace(struct ieee80211com *ic, const void *data) 824 { 825 int size = ieee80211_anyhdrsize(data); 826 if (ic->ic_flags & IEEE80211_F_DATAPAD) 827 size = roundup(size, sizeof(uint32_t)); 828 return size; 829 } 830 831 /* 832 * Notify a vap that beacon state has been updated. 833 */ 834 static __inline void 835 ieee80211_beacon_notify(struct ieee80211vap *vap, int what) 836 { 837 if (vap->iv_state == IEEE80211_S_RUN) 838 vap->iv_update_beacon(vap, what); 839 } 840 841 /* 842 * Calculate HT channel promotion flags for a channel. 843 * XXX belongs in ieee80211_ht.h but needs IEEE80211_FHT_* 844 */ 845 static __inline int 846 ieee80211_htchanflags(const struct ieee80211_channel *c) 847 { 848 return IEEE80211_IS_CHAN_HT40(c) ? 849 IEEE80211_FHT_HT | IEEE80211_FHT_USEHT40 : 850 IEEE80211_IS_CHAN_HT(c) ? IEEE80211_FHT_HT : 0; 851 } 852 853 /* 854 * Fetch the current TX power (cap) for the given node. 855 * 856 * This includes the node and ic/vap TX power limit as needed, 857 * but it doesn't take into account any per-rate limit. 858 */ 859 static __inline uint16_t 860 ieee80211_get_node_txpower(struct ieee80211_node *ni) 861 { 862 struct ieee80211com *ic = ni->ni_ic; 863 uint16_t txpower; 864 865 txpower = ni->ni_txpower; 866 txpower = MIN(txpower, ic->ic_txpowlimit); 867 if (ic->ic_curchan != NULL) { 868 txpower = MIN(txpower, 2 * ic->ic_curchan->ic_maxregpower); 869 txpower = MIN(txpower, ic->ic_curchan->ic_maxpower); 870 } 871 872 return (txpower); 873 } 874 875 /* 876 * Debugging facilities compiled in when IEEE80211_DEBUG is defined. 877 * 878 * The intent is that any problem in the net80211 layer can be 879 * diagnosed by inspecting the statistics (dumped by the wlanstats 880 * program) and/or the msgs generated by net80211. Messages are 881 * broken into functional classes and can be controlled with the 882 * wlandebug program. Certain of these msg groups are for facilities 883 * that are no longer part of net80211 (e.g. IEEE80211_MSG_DOT1XSM). 884 */ 885 #define IEEE80211_MSG_11N 0x80000000 /* 11n mode debug */ 886 #define IEEE80211_MSG_DEBUG 0x40000000 /* IFF_DEBUG equivalent */ 887 #define IEEE80211_MSG_DUMPPKTS 0x20000000 /* IFF_LINK2 equivalant */ 888 #define IEEE80211_MSG_CRYPTO 0x10000000 /* crypto work */ 889 #define IEEE80211_MSG_INPUT 0x08000000 /* input handling */ 890 #define IEEE80211_MSG_XRATE 0x04000000 /* rate set handling */ 891 #define IEEE80211_MSG_ELEMID 0x02000000 /* element id parsing */ 892 #define IEEE80211_MSG_NODE 0x01000000 /* node handling */ 893 #define IEEE80211_MSG_ASSOC 0x00800000 /* association handling */ 894 #define IEEE80211_MSG_AUTH 0x00400000 /* authentication handling */ 895 #define IEEE80211_MSG_SCAN 0x00200000 /* scanning */ 896 #define IEEE80211_MSG_OUTPUT 0x00100000 /* output handling */ 897 #define IEEE80211_MSG_STATE 0x00080000 /* state machine */ 898 #define IEEE80211_MSG_POWER 0x00040000 /* power save handling */ 899 #define IEEE80211_MSG_HWMP 0x00020000 /* hybrid mesh protocol */ 900 #define IEEE80211_MSG_DOT1XSM 0x00010000 /* 802.1x state machine */ 901 #define IEEE80211_MSG_RADIUS 0x00008000 /* 802.1x radius client */ 902 #define IEEE80211_MSG_RADDUMP 0x00004000 /* dump 802.1x radius packets */ 903 #define IEEE80211_MSG_MESH 0x00002000 /* mesh networking */ 904 #define IEEE80211_MSG_WPA 0x00001000 /* WPA/RSN protocol */ 905 #define IEEE80211_MSG_ACL 0x00000800 /* ACL handling */ 906 #define IEEE80211_MSG_WME 0x00000400 /* WME protocol */ 907 #define IEEE80211_MSG_SUPERG 0x00000200 /* Atheros SuperG protocol */ 908 #define IEEE80211_MSG_DOTH 0x00000100 /* 802.11h support */ 909 #define IEEE80211_MSG_INACT 0x00000080 /* inactivity handling */ 910 #define IEEE80211_MSG_ROAM 0x00000040 /* sta-mode roaming */ 911 #define IEEE80211_MSG_RATECTL 0x00000020 /* tx rate control */ 912 #define IEEE80211_MSG_ACTION 0x00000010 /* action frame handling */ 913 #define IEEE80211_MSG_WDS 0x00000008 /* WDS handling */ 914 #define IEEE80211_MSG_IOCTL 0x00000004 /* ioctl handling */ 915 #define IEEE80211_MSG_TDMA 0x00000002 /* TDMA handling */ 916 917 #define IEEE80211_MSG_ANY 0xffffffff /* anything */ 918 919 #define IEEE80211_MSG_BITS \ 920 "\20\2TDMA\3IOCTL\4WDS\5ACTION\6RATECTL\7ROAM\10INACT\11DOTH\12SUPERG" \ 921 "\13WME\14ACL\15WPA\16RADKEYS\17RADDUMP\20RADIUS\21DOT1XSM\22HWMP" \ 922 "\23POWER\24STATE\25OUTPUT\26SCAN\27AUTH\30ASSOC\31NODE\32ELEMID" \ 923 "\33XRATE\34INPUT\35CRYPTO\36DUPMPKTS\37DEBUG\04011N" 924 925 #ifdef IEEE80211_DEBUG 926 #define ieee80211_msg(_vap, _m) ((_vap)->iv_debug & (_m)) 927 #define IEEE80211_DPRINTF(_vap, _m, _fmt, ...) do { \ 928 if (ieee80211_msg(_vap, _m)) \ 929 ieee80211_note(_vap, _fmt, __VA_ARGS__); \ 930 } while (0) 931 #define IEEE80211_NOTE(_vap, _m, _ni, _fmt, ...) do { \ 932 if (ieee80211_msg(_vap, _m)) \ 933 ieee80211_note_mac(_vap, (_ni)->ni_macaddr, _fmt, __VA_ARGS__);\ 934 } while (0) 935 #define IEEE80211_NOTE_MAC(_vap, _m, _mac, _fmt, ...) do { \ 936 if (ieee80211_msg(_vap, _m)) \ 937 ieee80211_note_mac(_vap, _mac, _fmt, __VA_ARGS__); \ 938 } while (0) 939 #define IEEE80211_NOTE_FRAME(_vap, _m, _wh, _fmt, ...) do { \ 940 if (ieee80211_msg(_vap, _m)) \ 941 ieee80211_note_frame(_vap, _wh, _fmt, __VA_ARGS__); \ 942 } while (0) 943 void ieee80211_note(const struct ieee80211vap *, const char *, ...); 944 void ieee80211_note_mac(const struct ieee80211vap *, 945 const uint8_t mac[IEEE80211_ADDR_LEN], const char *, ...); 946 void ieee80211_note_frame(const struct ieee80211vap *, 947 const struct ieee80211_frame *, const char *, ...); 948 #define ieee80211_msg_debug(_vap) \ 949 ((_vap)->iv_debug & IEEE80211_MSG_DEBUG) 950 #define ieee80211_msg_dumppkts(_vap) \ 951 ((_vap)->iv_debug & IEEE80211_MSG_DUMPPKTS) 952 #define ieee80211_msg_input(_vap) \ 953 ((_vap)->iv_debug & IEEE80211_MSG_INPUT) 954 #define ieee80211_msg_radius(_vap) \ 955 ((_vap)->iv_debug & IEEE80211_MSG_RADIUS) 956 #define ieee80211_msg_dumpradius(_vap) \ 957 ((_vap)->iv_debug & IEEE80211_MSG_RADDUMP) 958 #define ieee80211_msg_dumpradkeys(_vap) \ 959 ((_vap)->iv_debug & IEEE80211_MSG_RADKEYS) 960 #define ieee80211_msg_scan(_vap) \ 961 ((_vap)->iv_debug & IEEE80211_MSG_SCAN) 962 #define ieee80211_msg_assoc(_vap) \ 963 ((_vap)->iv_debug & IEEE80211_MSG_ASSOC) 964 965 /* 966 * Emit a debug message about discarding a frame or information 967 * element. One format is for extracting the mac address from 968 * the frame header; the other is for when a header is not 969 * available or otherwise appropriate. 970 */ 971 #define IEEE80211_DISCARD(_vap, _m, _wh, _type, _fmt, ...) do { \ 972 if ((_vap)->iv_debug & (_m)) \ 973 ieee80211_discard_frame(_vap, _wh, _type, _fmt, __VA_ARGS__);\ 974 } while (0) 975 #define IEEE80211_DISCARD_IE(_vap, _m, _wh, _type, _fmt, ...) do { \ 976 if ((_vap)->iv_debug & (_m)) \ 977 ieee80211_discard_ie(_vap, _wh, _type, _fmt, __VA_ARGS__);\ 978 } while (0) 979 #define IEEE80211_DISCARD_MAC(_vap, _m, _mac, _type, _fmt, ...) do { \ 980 if ((_vap)->iv_debug & (_m)) \ 981 ieee80211_discard_mac(_vap, _mac, _type, _fmt, __VA_ARGS__);\ 982 } while (0) 983 984 void ieee80211_discard_frame(const struct ieee80211vap *, 985 const struct ieee80211_frame *, const char *type, const char *fmt, ...); 986 void ieee80211_discard_ie(const struct ieee80211vap *, 987 const struct ieee80211_frame *, const char *type, const char *fmt, ...); 988 void ieee80211_discard_mac(const struct ieee80211vap *, 989 const uint8_t mac[IEEE80211_ADDR_LEN], const char *type, 990 const char *fmt, ...); 991 #else 992 #define IEEE80211_DPRINTF(_vap, _m, _fmt, ...) 993 #define IEEE80211_NOTE(_vap, _m, _ni, _fmt, ...) 994 #define IEEE80211_NOTE_FRAME(_vap, _m, _wh, _fmt, ...) 995 #define IEEE80211_NOTE_MAC(_vap, _m, _mac, _fmt, ...) 996 #define ieee80211_msg_dumppkts(_vap) 0 997 #define ieee80211_msg(_vap, _m) 0 998 999 #define IEEE80211_DISCARD(_vap, _m, _wh, _type, _fmt, ...) 1000 #define IEEE80211_DISCARD_IE(_vap, _m, _wh, _type, _fmt, ...) 1001 #define IEEE80211_DISCARD_MAC(_vap, _m, _mac, _type, _fmt, ...) 1002 #endif 1003 1004 #endif /* _NET80211_IEEE80211_VAR_H_ */ 1005