ieee80211_var.h revision 286437
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: head/sys/net80211/ieee80211_var.h 286437 2015-08-08 01:10:17Z adrian $ 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#define IEEE80211_TU_TO_TICKS(x)(((x) * 1024 * hz) / (1000 * 1000)) 88 89/* 90 * 802.11 control state is split into a common portion that maps 91 * 1-1 to a physical device and one or more "Virtual AP's" (VAP) 92 * that are bound to an ieee80211com instance and share a single 93 * underlying device. Each VAP has a corresponding OS device 94 * entity through which traffic flows and that applications use 95 * for issuing ioctls, etc. 96 */ 97 98/* 99 * Data common to one or more virtual AP's. State shared by 100 * the underlying device and the net80211 layer is exposed here; 101 * e.g. device-specific callbacks. 102 */ 103struct ieee80211vap; 104typedef void (*ieee80211vap_attach)(struct ieee80211vap *); 105 106struct ieee80211_appie { 107 uint16_t ie_len; /* size of ie_data */ 108 uint8_t ie_data[]; /* user-specified IE's */ 109}; 110 111struct ieee80211_tdma_param; 112struct ieee80211_rate_table; 113struct ieee80211_tx_ampdu; 114struct ieee80211_rx_ampdu; 115struct ieee80211_superg; 116struct ieee80211_frame; 117 118struct ieee80211com { 119 struct ifnet *ic_ifp; /* associated device */ 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 TAILQ_HEAD(, ieee80211vap) ic_vaps; /* list of vap instances */ 125 int ic_headroom; /* driver tx headroom needs */ 126 enum ieee80211_phytype ic_phytype; /* XXX wrong for multi-mode */ 127 enum ieee80211_opmode ic_opmode; /* operation mode */ 128 struct ifmedia ic_media; /* interface media config */ 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 */ 137 138 counter_u64_t ic_ierrors; /* input errors */ 139 counter_u64_t ic_oerrors; /* output errors */ 140 141 uint32_t ic_flags; /* state flags */ 142 uint32_t ic_flags_ext; /* extended state flags */ 143 uint32_t ic_flags_ht; /* HT state flags */ 144 uint32_t ic_flags_ven; /* vendor state flags */ 145 uint32_t ic_caps; /* capabilities */ 146 uint32_t ic_htcaps; /* HT capabilities */ 147 uint32_t ic_htextcaps; /* HT extended capabilities */ 148 uint32_t ic_cryptocaps; /* crypto capabilities */ 149 uint8_t ic_modecaps[2]; /* set of mode capabilities */ 150 uint8_t ic_promisc; /* vap's needing promisc mode */ 151 uint8_t ic_allmulti; /* vap's needing all multicast*/ 152 uint8_t ic_nrunning; /* vap's marked running */ 153 uint8_t ic_curmode; /* current mode */ 154 uint16_t ic_bintval; /* beacon interval */ 155 uint16_t ic_lintval; /* listen interval */ 156 uint16_t ic_holdover; /* PM hold over duration */ 157 uint16_t ic_txpowlimit; /* global tx power limit */ 158 struct ieee80211_rateset ic_sup_rates[IEEE80211_MODE_MAX]; 159 160 /* 161 * Channel state: 162 * 163 * ic_channels is the set of available channels for the device; 164 * it is setup by the driver 165 * ic_nchans is the number of valid entries in ic_channels 166 * ic_chan_avail is a bit vector of these channels used to check 167 * whether a channel is available w/o searching the channel table. 168 * ic_chan_active is a (potentially) constrained subset of 169 * ic_chan_avail that reflects any mode setting or user-specified 170 * limit on the set of channels to use/scan 171 * ic_curchan is the current channel the device is set to; it may 172 * be different from ic_bsschan when we are off-channel scanning 173 * or otherwise doing background work 174 * ic_bsschan is the channel selected for operation; it may 175 * be undefined (IEEE80211_CHAN_ANYC) 176 * ic_prevchan is a cached ``previous channel'' used to optimize 177 * lookups when switching back+forth between two channels 178 * (e.g. for dynamic turbo) 179 */ 180 int ic_nchans; /* # entries in ic_channels */ 181 struct ieee80211_channel ic_channels[IEEE80211_CHAN_MAX]; 182 uint8_t ic_chan_avail[IEEE80211_CHAN_BYTES]; 183 uint8_t ic_chan_active[IEEE80211_CHAN_BYTES]; 184 uint8_t ic_chan_scan[IEEE80211_CHAN_BYTES]; 185 struct ieee80211_channel *ic_curchan; /* current channel */ 186 const struct ieee80211_rate_table *ic_rt; /* table for ic_curchan */ 187 struct ieee80211_channel *ic_bsschan; /* bss channel */ 188 struct ieee80211_channel *ic_prevchan; /* previous channel */ 189 struct ieee80211_regdomain ic_regdomain;/* regulatory data */ 190 struct ieee80211_appie *ic_countryie; /* calculated country ie */ 191 struct ieee80211_channel *ic_countryie_chan; 192 193 /* 802.11h/DFS state */ 194 struct ieee80211_channel *ic_csa_newchan;/* channel for doing CSA */ 195 short ic_csa_mode; /* mode for doing CSA */ 196 short ic_csa_count; /* count for doing CSA */ 197 struct ieee80211_dfs_state ic_dfs; /* DFS state */ 198 199 struct ieee80211_scan_state *ic_scan; /* scan state */ 200 struct ieee80211_scan_methods *ic_scan_methods; /* scan methods */ 201 int ic_lastdata; /* time of last data frame */ 202 int ic_lastscan; /* time last scan completed */ 203 204 /* NB: this is the union of all vap stations/neighbors */ 205 int ic_max_keyix; /* max h/w key index */ 206 struct ieee80211_node_table ic_sta; /* stations/neighbors */ 207 struct ieee80211_ageq ic_stageq; /* frame staging queue */ 208 uint32_t ic_hash_key; /* random key for mac hash */ 209 210 /* XXX multi-bss: split out common/vap parts */ 211 struct ieee80211_wme_state ic_wme; /* WME/WMM state */ 212 213 /* XXX multi-bss: can per-vap be done/make sense? */ 214 enum ieee80211_protmode ic_protmode; /* 802.11g protection mode */ 215 uint16_t ic_nonerpsta; /* # non-ERP stations */ 216 uint16_t ic_longslotsta; /* # long slot time stations */ 217 uint16_t ic_sta_assoc; /* stations associated */ 218 uint16_t ic_ht_sta_assoc;/* HT stations associated */ 219 uint16_t ic_ht40_sta_assoc;/* HT40 stations associated */ 220 uint8_t ic_curhtprotmode;/* HTINFO bss state */ 221 enum ieee80211_protmode ic_htprotmode; /* HT protection mode */ 222 int ic_lastnonerp; /* last time non-ERP sta noted*/ 223 int ic_lastnonht; /* last time non-HT sta noted */ 224 uint8_t ic_rxstream; /* # RX streams */ 225 uint8_t ic_txstream; /* # TX streams */ 226 227 /* optional state for Atheros SuperG protocol extensions */ 228 struct ieee80211_superg *ic_superg; 229 230 /* radiotap handling */ 231 struct ieee80211_radiotap_header *ic_th;/* tx radiotap headers */ 232 void *ic_txchan; /* channel state in ic_th */ 233 struct ieee80211_radiotap_header *ic_rh;/* rx radiotap headers */ 234 void *ic_rxchan; /* channel state in ic_rh */ 235 int ic_montaps; /* active monitor mode taps */ 236 237 /* virtual ap create/delete */ 238 struct ieee80211vap* (*ic_vap_create)(struct ieee80211com *, 239 const char [IFNAMSIZ], int, 240 enum ieee80211_opmode, int, 241 const uint8_t [IEEE80211_ADDR_LEN], 242 const uint8_t [IEEE80211_ADDR_LEN]); 243 void (*ic_vap_delete)(struct ieee80211vap *); 244 /* operating mode attachment */ 245 ieee80211vap_attach ic_vattach[IEEE80211_OPMODE_MAX]; 246 /* return hardware/radio capabilities */ 247 void (*ic_getradiocaps)(struct ieee80211com *, 248 int, int *, struct ieee80211_channel []); 249 /* check and/or prepare regdomain state change */ 250 int (*ic_setregdomain)(struct ieee80211com *, 251 struct ieee80211_regdomain *, 252 int, struct ieee80211_channel []); 253 254 int (*ic_set_quiet)(struct ieee80211_node *, 255 u_int8_t *quiet_elm); 256 257 /* send/recv 802.11 management frame */ 258 int (*ic_send_mgmt)(struct ieee80211_node *, 259 int, int); 260 /* send raw 802.11 frame */ 261 int (*ic_raw_xmit)(struct ieee80211_node *, 262 struct mbuf *, 263 const struct ieee80211_bpf_params *); 264 /* update device state for 802.11 slot time change */ 265 void (*ic_updateslot)(struct ieee80211com *); 266 /* handle multicast state changes */ 267 void (*ic_update_mcast)(struct ieee80211com *); 268 /* handle promiscuous mode changes */ 269 void (*ic_update_promisc)(struct ieee80211com *); 270 /* new station association callback/notification */ 271 void (*ic_newassoc)(struct ieee80211_node *, int); 272 /* TDMA update notification */ 273 void (*ic_tdma_update)(struct ieee80211_node *, 274 const struct ieee80211_tdma_param *, int); 275 /* node state management */ 276 struct ieee80211_node* (*ic_node_alloc)(struct ieee80211vap *, 277 const uint8_t [IEEE80211_ADDR_LEN]); 278 void (*ic_node_free)(struct ieee80211_node *); 279 void (*ic_node_cleanup)(struct ieee80211_node *); 280 void (*ic_node_age)(struct ieee80211_node *); 281 void (*ic_node_drain)(struct ieee80211_node *); 282 int8_t (*ic_node_getrssi)(const struct ieee80211_node*); 283 void (*ic_node_getsignal)(const struct ieee80211_node*, 284 int8_t *, int8_t *); 285 void (*ic_node_getmimoinfo)( 286 const struct ieee80211_node*, 287 struct ieee80211_mimo_info *); 288 /* scanning support */ 289 void (*ic_scan_start)(struct ieee80211com *); 290 void (*ic_scan_end)(struct ieee80211com *); 291 void (*ic_set_channel)(struct ieee80211com *); 292 void (*ic_scan_curchan)(struct ieee80211_scan_state *, 293 unsigned long); 294 void (*ic_scan_mindwell)(struct ieee80211_scan_state *); 295 296 /* 297 * 802.11n ADDBA support. A simple/generic implementation 298 * of A-MPDU tx aggregation is provided; the driver may 299 * override these methods to provide their own support. 300 * A-MPDU rx re-ordering happens automatically if the 301 * driver passes out-of-order frames to ieee80211_input 302 * from an assocated HT station. 303 */ 304 int (*ic_recv_action)(struct ieee80211_node *, 305 const struct ieee80211_frame *, 306 const uint8_t *frm, const uint8_t *efrm); 307 int (*ic_send_action)(struct ieee80211_node *, 308 int category, int action, void *); 309 /* check if A-MPDU should be enabled this station+ac */ 310 int (*ic_ampdu_enable)(struct ieee80211_node *, 311 struct ieee80211_tx_ampdu *); 312 /* start/stop doing A-MPDU tx aggregation for a station */ 313 int (*ic_addba_request)(struct ieee80211_node *, 314 struct ieee80211_tx_ampdu *, 315 int dialogtoken, int baparamset, 316 int batimeout); 317 int (*ic_addba_response)(struct ieee80211_node *, 318 struct ieee80211_tx_ampdu *, 319 int status, int baparamset, int batimeout); 320 void (*ic_addba_stop)(struct ieee80211_node *, 321 struct ieee80211_tx_ampdu *); 322 void (*ic_addba_response_timeout)(struct ieee80211_node *, 323 struct ieee80211_tx_ampdu *); 324 /* BAR response received */ 325 void (*ic_bar_response)(struct ieee80211_node *, 326 struct ieee80211_tx_ampdu *, int status); 327 /* start/stop doing A-MPDU rx processing for a station */ 328 int (*ic_ampdu_rx_start)(struct ieee80211_node *, 329 struct ieee80211_rx_ampdu *, int baparamset, 330 int batimeout, int baseqctl); 331 void (*ic_ampdu_rx_stop)(struct ieee80211_node *, 332 struct ieee80211_rx_ampdu *); 333 334 /* The channel width has changed (20<->2040) */ 335 void (*ic_update_chw)(struct ieee80211com *); 336 337 uint64_t ic_spare[7]; 338}; 339 340struct ieee80211_aclator; 341struct ieee80211_tdma_state; 342struct ieee80211_mesh_state; 343struct ieee80211_hwmp_state; 344 345struct ieee80211vap { 346 struct ifmedia iv_media; /* interface media config */ 347 struct ifnet *iv_ifp; /* associated device */ 348 struct bpf_if *iv_rawbpf; /* packet filter structure */ 349 struct sysctl_ctx_list *iv_sysctl; /* dynamic sysctl context */ 350 struct sysctl_oid *iv_oid; /* net.wlan.X sysctl oid */ 351 352 TAILQ_ENTRY(ieee80211vap) iv_next; /* list of vap instances */ 353 struct ieee80211com *iv_ic; /* back ptr to common state */ 354 uint32_t iv_debug; /* debug msg flags */ 355 struct ieee80211_stats iv_stats; /* statistics */ 356 357 uint8_t iv_myaddr[IEEE80211_ADDR_LEN]; 358 uint32_t iv_flags; /* state flags */ 359 uint32_t iv_flags_ext; /* extended state flags */ 360 uint32_t iv_flags_ht; /* HT state flags */ 361 uint32_t iv_flags_ven; /* vendor state flags */ 362 uint32_t iv_caps; /* capabilities */ 363 uint32_t iv_htcaps; /* HT capabilities */ 364 uint32_t iv_htextcaps; /* HT extended capabilities */ 365 enum ieee80211_opmode iv_opmode; /* operation mode */ 366 enum ieee80211_state iv_state; /* state machine state */ 367 enum ieee80211_state iv_nstate; /* pending state */ 368 int iv_nstate_arg; /* pending state arg */ 369 struct task iv_nstate_task; /* deferred state processing */ 370 struct task iv_swbmiss_task;/* deferred iv_bmiss call */ 371 struct callout iv_mgtsend; /* mgmt frame response timer */ 372 /* inactivity timer settings */ 373 int iv_inact_init; /* setting for new station */ 374 int iv_inact_auth; /* auth but not assoc setting */ 375 int iv_inact_run; /* authorized setting */ 376 int iv_inact_probe; /* inactive probe time */ 377 378 int iv_des_nssid; /* # desired ssids */ 379 struct ieee80211_scan_ssid iv_des_ssid[1];/* desired ssid table */ 380 uint8_t iv_des_bssid[IEEE80211_ADDR_LEN]; 381 struct ieee80211_channel *iv_des_chan; /* desired channel */ 382 uint16_t iv_des_mode; /* desired mode */ 383 int iv_nicknamelen; /* XXX junk */ 384 uint8_t iv_nickname[IEEE80211_NWID_LEN]; 385 u_int iv_bgscanidle; /* bg scan idle threshold */ 386 u_int iv_bgscanintvl; /* bg scan min interval */ 387 u_int iv_scanvalid; /* scan cache valid threshold */ 388 u_int iv_scanreq_duration; 389 u_int iv_scanreq_mindwell; 390 u_int iv_scanreq_maxdwell; 391 uint16_t iv_scanreq_flags;/* held scan request params */ 392 uint8_t iv_scanreq_nssid; 393 struct ieee80211_scan_ssid iv_scanreq_ssid[IEEE80211_SCAN_MAX_SSID]; 394 /* sta-mode roaming state */ 395 enum ieee80211_roamingmode iv_roaming; /* roaming mode */ 396 struct ieee80211_roamparam iv_roamparms[IEEE80211_MODE_MAX]; 397 398 uint8_t iv_bmissthreshold; 399 uint8_t iv_bmiss_count; /* current beacon miss count */ 400 int iv_bmiss_max; /* max bmiss before scan */ 401 uint16_t iv_swbmiss_count;/* beacons in last period */ 402 uint16_t iv_swbmiss_period;/* s/w bmiss period */ 403 struct callout iv_swbmiss; /* s/w beacon miss timer */ 404 405 int iv_ampdu_rxmax; /* A-MPDU rx limit (bytes) */ 406 int iv_ampdu_density;/* A-MPDU density */ 407 int iv_ampdu_limit; /* A-MPDU tx limit (bytes) */ 408 int iv_amsdu_limit; /* A-MSDU tx limit (bytes) */ 409 u_int iv_ampdu_mintraffic[WME_NUM_AC]; 410 411 uint32_t *iv_aid_bitmap; /* association id map */ 412 uint16_t iv_max_aid; 413 uint16_t iv_sta_assoc; /* stations associated */ 414 uint16_t iv_ps_sta; /* stations in power save */ 415 uint16_t iv_ps_pending; /* ps sta's w/ pending frames */ 416 uint16_t iv_txseq; /* mcast xmit seq# space */ 417 uint16_t iv_tim_len; /* ic_tim_bitmap size (bytes) */ 418 uint8_t *iv_tim_bitmap; /* power-save stations w/ data*/ 419 uint8_t iv_dtim_period; /* DTIM period */ 420 uint8_t iv_dtim_count; /* DTIM count from last bcn */ 421 /* set/unset aid pwrsav state */ 422 uint8_t iv_quiet; /* Quiet Element */ 423 uint8_t iv_quiet_count; /* constant count for Quiet Element */ 424 uint8_t iv_quiet_count_value; /* variable count for Quiet Element */ 425 uint8_t iv_quiet_period; /* period for Quiet Element */ 426 uint16_t iv_quiet_duration; /* duration for Quiet Element */ 427 uint16_t iv_quiet_offset; /* offset for Quiet Element */ 428 int iv_csa_count; /* count for doing CSA */ 429 430 struct ieee80211_node *iv_bss; /* information for this node */ 431 struct ieee80211_txparam iv_txparms[IEEE80211_MODE_MAX]; 432 uint16_t iv_rtsthreshold; 433 uint16_t iv_fragthreshold; 434 int iv_inact_timer; /* inactivity timer wait */ 435 /* application-specified IE's to attach to mgt frames */ 436 struct ieee80211_appie *iv_appie_beacon; 437 struct ieee80211_appie *iv_appie_probereq; 438 struct ieee80211_appie *iv_appie_proberesp; 439 struct ieee80211_appie *iv_appie_assocreq; 440 struct ieee80211_appie *iv_appie_assocresp; 441 struct ieee80211_appie *iv_appie_wpa; 442 uint8_t *iv_wpa_ie; 443 uint8_t *iv_rsn_ie; 444 uint16_t iv_max_keyix; /* max h/w key index */ 445 ieee80211_keyix iv_def_txkey; /* default/group tx key index */ 446 struct ieee80211_key iv_nw_keys[IEEE80211_WEP_NKID]; 447 int (*iv_key_alloc)(struct ieee80211vap *, 448 struct ieee80211_key *, 449 ieee80211_keyix *, ieee80211_keyix *); 450 int (*iv_key_delete)(struct ieee80211vap *, 451 const struct ieee80211_key *); 452 int (*iv_key_set)(struct ieee80211vap *, 453 const struct ieee80211_key *, 454 const uint8_t mac[IEEE80211_ADDR_LEN]); 455 void (*iv_key_update_begin)(struct ieee80211vap *); 456 void (*iv_key_update_end)(struct ieee80211vap *); 457 458 const struct ieee80211_authenticator *iv_auth; /* authenticator glue */ 459 void *iv_ec; /* private auth state */ 460 461 const struct ieee80211_aclator *iv_acl; /* acl glue */ 462 void *iv_as; /* private aclator state */ 463 464 const struct ieee80211_ratectl *iv_rate; 465 void *iv_rs; /* private ratectl state */ 466 467 struct ieee80211_tdma_state *iv_tdma; /* tdma state */ 468 struct ieee80211_mesh_state *iv_mesh; /* MBSS state */ 469 struct ieee80211_hwmp_state *iv_hwmp; /* HWMP state */ 470 471 /* operate-mode detach hook */ 472 void (*iv_opdetach)(struct ieee80211vap *); 473 /* receive processing */ 474 int (*iv_input)(struct ieee80211_node *, 475 struct mbuf *, 476 const struct ieee80211_rx_stats *, 477 int, int); 478 void (*iv_recv_mgmt)(struct ieee80211_node *, 479 struct mbuf *, int, 480 const struct ieee80211_rx_stats *, 481 int, int); 482 void (*iv_recv_ctl)(struct ieee80211_node *, 483 struct mbuf *, int); 484 void (*iv_deliver_data)(struct ieee80211vap *, 485 struct ieee80211_node *, struct mbuf *); 486#if 0 487 /* send processing */ 488 int (*iv_send_mgmt)(struct ieee80211_node *, 489 int, int); 490#endif 491 /* beacon miss processing */ 492 void (*iv_bmiss)(struct ieee80211vap *); 493 /* reset device state after 802.11 parameter/state change */ 494 int (*iv_reset)(struct ieee80211vap *, u_long); 495 /* [schedule] beacon frame update */ 496 void (*iv_update_beacon)(struct ieee80211vap *, int); 497 /* power save handling */ 498 void (*iv_update_ps)(struct ieee80211vap *, int); 499 int (*iv_set_tim)(struct ieee80211_node *, int); 500 void (*iv_node_ps)(struct ieee80211_node *, int); 501 void (*iv_sta_ps)(struct ieee80211vap *, int); 502 void (*iv_recv_pspoll)(struct ieee80211_node *, 503 struct mbuf *); 504 505 /* state machine processing */ 506 int (*iv_newstate)(struct ieee80211vap *, 507 enum ieee80211_state, int); 508 /* 802.3 output method for raw frame xmit */ 509 int (*iv_output)(struct ifnet *, struct mbuf *, 510 const struct sockaddr *, struct route *); 511 uint64_t iv_spare[6]; 512}; 513MALLOC_DECLARE(M_80211_VAP); 514 515#define IEEE80211_ADDR_EQ(a1,a2) (memcmp(a1,a2,IEEE80211_ADDR_LEN) == 0) 516#define IEEE80211_ADDR_COPY(dst,src) memcpy(dst,src,IEEE80211_ADDR_LEN) 517 518/* ic_flags/iv_flags */ 519#define IEEE80211_F_TURBOP 0x00000001 /* CONF: ATH Turbo enabled*/ 520#define IEEE80211_F_COMP 0x00000002 /* CONF: ATH comp enabled */ 521#define IEEE80211_F_FF 0x00000004 /* CONF: ATH FF enabled */ 522#define IEEE80211_F_BURST 0x00000008 /* CONF: bursting enabled */ 523/* NB: this is intentionally setup to be IEEE80211_CAPINFO_PRIVACY */ 524#define IEEE80211_F_PRIVACY 0x00000010 /* CONF: privacy enabled */ 525#define IEEE80211_F_PUREG 0x00000020 /* CONF: 11g w/o 11b sta's */ 526#define IEEE80211_F_SCAN 0x00000080 /* STATUS: scanning */ 527#define IEEE80211_F_ASCAN 0x00000100 /* STATUS: active scan */ 528#define IEEE80211_F_SIBSS 0x00000200 /* STATUS: start IBSS */ 529/* NB: this is intentionally setup to be IEEE80211_CAPINFO_SHORT_SLOTTIME */ 530#define IEEE80211_F_SHSLOT 0x00000400 /* STATUS: use short slot time*/ 531#define IEEE80211_F_PMGTON 0x00000800 /* CONF: Power mgmt enable */ 532#define IEEE80211_F_DESBSSID 0x00001000 /* CONF: des_bssid is set */ 533#define IEEE80211_F_WME 0x00002000 /* CONF: enable WME use */ 534#define IEEE80211_F_BGSCAN 0x00004000 /* CONF: bg scan enabled (???)*/ 535#define IEEE80211_F_SWRETRY 0x00008000 /* CONF: sw tx retry enabled */ 536#define IEEE80211_F_TXPOW_FIXED 0x00010000 /* TX Power: fixed rate */ 537#define IEEE80211_F_IBSSON 0x00020000 /* CONF: IBSS creation enable */ 538#define IEEE80211_F_SHPREAMBLE 0x00040000 /* STATUS: use short preamble */ 539#define IEEE80211_F_DATAPAD 0x00080000 /* CONF: do alignment pad */ 540#define IEEE80211_F_USEPROT 0x00100000 /* STATUS: protection enabled */ 541#define IEEE80211_F_USEBARKER 0x00200000 /* STATUS: use barker preamble*/ 542#define IEEE80211_F_CSAPENDING 0x00400000 /* STATUS: chan switch pending*/ 543#define IEEE80211_F_WPA1 0x00800000 /* CONF: WPA enabled */ 544#define IEEE80211_F_WPA2 0x01000000 /* CONF: WPA2 enabled */ 545#define IEEE80211_F_WPA 0x01800000 /* CONF: WPA/WPA2 enabled */ 546#define IEEE80211_F_DROPUNENC 0x02000000 /* CONF: drop unencrypted */ 547#define IEEE80211_F_COUNTERM 0x04000000 /* CONF: TKIP countermeasures */ 548#define IEEE80211_F_HIDESSID 0x08000000 /* CONF: hide SSID in beacon */ 549#define IEEE80211_F_NOBRIDGE 0x10000000 /* CONF: dis. internal bridge */ 550#define IEEE80211_F_PCF 0x20000000 /* CONF: PCF enabled */ 551#define IEEE80211_F_DOTH 0x40000000 /* CONF: 11h enabled */ 552#define IEEE80211_F_DWDS 0x80000000 /* CONF: Dynamic WDS enabled */ 553 554#define IEEE80211_F_BITS \ 555 "\20\1TURBOP\2COMP\3FF\4BURST\5PRIVACY\6PUREG\10SCAN\11ASCAN\12SIBSS" \ 556 "\13SHSLOT\14PMGTON\15DESBSSID\16WME\17BGSCAN\20SWRETRY\21TXPOW_FIXED" \ 557 "\22IBSSON\23SHPREAMBLE\24DATAPAD\25USEPROT\26USERBARKER\27CSAPENDING" \ 558 "\30WPA1\31WPA2\32DROPUNENC\33COUNTERM\34HIDESSID\35NOBRIDG\36PCF" \ 559 "\37DOTH\40DWDS" 560 561/* Atheros protocol-specific flags */ 562#define IEEE80211_F_ATHEROS \ 563 (IEEE80211_F_FF | IEEE80211_F_COMP | IEEE80211_F_TURBOP) 564/* Check if an Atheros capability was negotiated for use */ 565#define IEEE80211_ATH_CAP(vap, ni, bit) \ 566 ((vap)->iv_flags & (ni)->ni_ath_flags & (bit)) 567 568/* ic_flags_ext/iv_flags_ext */ 569#define IEEE80211_FEXT_INACT 0x00000002 /* CONF: sta inact handling */ 570#define IEEE80211_FEXT_SCANWAIT 0x00000004 /* STATUS: awaiting scan */ 571/* 0x00000006 reserved */ 572#define IEEE80211_FEXT_BGSCAN 0x00000008 /* STATUS: complete bgscan */ 573#define IEEE80211_FEXT_WPS 0x00000010 /* CONF: WPS enabled */ 574#define IEEE80211_FEXT_TSN 0x00000020 /* CONF: TSN enabled */ 575#define IEEE80211_FEXT_SCANREQ 0x00000040 /* STATUS: scan req params */ 576#define IEEE80211_FEXT_RESUME 0x00000080 /* STATUS: start on resume */ 577#define IEEE80211_FEXT_4ADDR 0x00000100 /* CONF: apply 4-addr encap */ 578#define IEEE80211_FEXT_NONERP_PR 0x00000200 /* STATUS: non-ERP sta present*/ 579#define IEEE80211_FEXT_SWBMISS 0x00000400 /* CONF: do bmiss in s/w */ 580#define IEEE80211_FEXT_DFS 0x00000800 /* CONF: DFS enabled */ 581#define IEEE80211_FEXT_DOTD 0x00001000 /* CONF: 11d enabled */ 582#define IEEE80211_FEXT_STATEWAIT 0x00002000 /* STATUS: awaiting state chg */ 583#define IEEE80211_FEXT_REINIT 0x00004000 /* STATUS: INIT state first */ 584#define IEEE80211_FEXT_BPF 0x00008000 /* STATUS: BPF tap present */ 585/* NB: immutable: should be set only when creating a vap */ 586#define IEEE80211_FEXT_WDSLEGACY 0x00010000 /* CONF: legacy WDS operation */ 587#define IEEE80211_FEXT_PROBECHAN 0x00020000 /* CONF: probe passive channel*/ 588#define IEEE80211_FEXT_UNIQMAC 0x00040000 /* CONF: user or computed mac */ 589 590#define IEEE80211_FEXT_BITS \ 591 "\20\2INACT\3SCANWAIT\4BGSCAN\5WPS\6TSN\7SCANREQ\10RESUME" \ 592 "\0114ADDR\12NONEPR_PR\13SWBMISS\14DFS\15DOTD\16STATEWAIT\17REINIT" \ 593 "\20BPF\21WDSLEGACY\22PROBECHAN\23UNIQMAC" 594 595/* ic_flags_ht/iv_flags_ht */ 596#define IEEE80211_FHT_NONHT_PR 0x00000001 /* STATUS: non-HT sta present */ 597#define IEEE80211_FHT_GF 0x00040000 /* CONF: Greenfield enabled */ 598#define IEEE80211_FHT_HT 0x00080000 /* CONF: HT supported */ 599#define IEEE80211_FHT_AMPDU_TX 0x00100000 /* CONF: A-MPDU tx supported */ 600#define IEEE80211_FHT_AMPDU_RX 0x00200000 /* CONF: A-MPDU rx supported */ 601#define IEEE80211_FHT_AMSDU_TX 0x00400000 /* CONF: A-MSDU tx supported */ 602#define IEEE80211_FHT_AMSDU_RX 0x00800000 /* CONF: A-MSDU rx supported */ 603#define IEEE80211_FHT_USEHT40 0x01000000 /* CONF: 20/40 use enabled */ 604#define IEEE80211_FHT_PUREN 0x02000000 /* CONF: 11n w/o legacy sta's */ 605#define IEEE80211_FHT_SHORTGI20 0x04000000 /* CONF: short GI in HT20 */ 606#define IEEE80211_FHT_SHORTGI40 0x08000000 /* CONF: short GI in HT40 */ 607#define IEEE80211_FHT_HTCOMPAT 0x10000000 /* CONF: HT vendor OUI's */ 608#define IEEE80211_FHT_RIFS 0x20000000 /* CONF: RIFS enabled */ 609#define IEEE80211_FHT_STBC_TX 0x40000000 /* CONF: STBC tx enabled */ 610#define IEEE80211_FHT_STBC_RX 0x80000000 /* CONF: STBC rx enabled */ 611 612#define IEEE80211_FHT_BITS \ 613 "\20\1NONHT_PR" \ 614 "\23GF\24HT\25AMPDU_TX\26AMPDU_TX" \ 615 "\27AMSDU_TX\30AMSDU_RX\31USEHT40\32PUREN\33SHORTGI20\34SHORTGI40" \ 616 "\35HTCOMPAT\36RIFS\37STBC_TX\40STBC_RX" 617 618#define IEEE80211_FVEN_BITS "\20" 619 620/* ic_caps/iv_caps: device driver capabilities */ 621/* 0x2e available */ 622#define IEEE80211_C_STA 0x00000001 /* CAPABILITY: STA available */ 623#define IEEE80211_C_8023ENCAP 0x00000002 /* CAPABILITY: 802.3 encap */ 624#define IEEE80211_C_FF 0x00000040 /* CAPABILITY: ATH FF avail */ 625#define IEEE80211_C_TURBOP 0x00000080 /* CAPABILITY: ATH Turbo avail*/ 626#define IEEE80211_C_IBSS 0x00000100 /* CAPABILITY: IBSS available */ 627#define IEEE80211_C_PMGT 0x00000200 /* CAPABILITY: Power mgmt */ 628#define IEEE80211_C_HOSTAP 0x00000400 /* CAPABILITY: HOSTAP avail */ 629#define IEEE80211_C_AHDEMO 0x00000800 /* CAPABILITY: Old Adhoc Demo */ 630#define IEEE80211_C_SWRETRY 0x00001000 /* CAPABILITY: sw tx retry */ 631#define IEEE80211_C_TXPMGT 0x00002000 /* CAPABILITY: tx power mgmt */ 632#define IEEE80211_C_SHSLOT 0x00004000 /* CAPABILITY: short slottime */ 633#define IEEE80211_C_SHPREAMBLE 0x00008000 /* CAPABILITY: short preamble */ 634#define IEEE80211_C_MONITOR 0x00010000 /* CAPABILITY: monitor mode */ 635#define IEEE80211_C_DFS 0x00020000 /* CAPABILITY: DFS/radar avail*/ 636#define IEEE80211_C_MBSS 0x00040000 /* CAPABILITY: MBSS available */ 637#define IEEE80211_C_SWSLEEP 0x00080000 /* CAPABILITY: do sleep here */ 638/* 0x7c0000 available */ 639#define IEEE80211_C_WPA1 0x00800000 /* CAPABILITY: WPA1 avail */ 640#define IEEE80211_C_WPA2 0x01000000 /* CAPABILITY: WPA2 avail */ 641#define IEEE80211_C_WPA 0x01800000 /* CAPABILITY: WPA1+WPA2 avail*/ 642#define IEEE80211_C_BURST 0x02000000 /* CAPABILITY: frame bursting */ 643#define IEEE80211_C_WME 0x04000000 /* CAPABILITY: WME avail */ 644#define IEEE80211_C_WDS 0x08000000 /* CAPABILITY: 4-addr support */ 645/* 0x10000000 reserved */ 646#define IEEE80211_C_BGSCAN 0x20000000 /* CAPABILITY: bg scanning */ 647#define IEEE80211_C_TXFRAG 0x40000000 /* CAPABILITY: tx fragments */ 648#define IEEE80211_C_TDMA 0x80000000 /* CAPABILITY: TDMA avail */ 649/* XXX protection/barker? */ 650 651#define IEEE80211_C_OPMODE \ 652 (IEEE80211_C_STA | IEEE80211_C_IBSS | IEEE80211_C_HOSTAP | \ 653 IEEE80211_C_AHDEMO | IEEE80211_C_MONITOR | IEEE80211_C_WDS | \ 654 IEEE80211_C_TDMA | IEEE80211_C_MBSS) 655 656#define IEEE80211_C_BITS \ 657 "\20\1STA\002803ENCAP\7FF\10TURBOP\11IBSS\12PMGT" \ 658 "\13HOSTAP\14AHDEMO\15SWRETRY\16TXPMGT\17SHSLOT\20SHPREAMBLE" \ 659 "\21MONITOR\22DFS\23MBSS\30WPA1\31WPA2\32BURST\33WME\34WDS\36BGSCAN" \ 660 "\37TXFRAG\40TDMA" 661 662/* 663 * ic_htcaps/iv_htcaps: HT-specific device/driver capabilities 664 * 665 * NB: the low 16-bits are the 802.11 definitions, the upper 666 * 16-bits are used to define s/w/driver capabilities. 667 */ 668#define IEEE80211_HTC_AMPDU 0x00010000 /* CAPABILITY: A-MPDU tx */ 669#define IEEE80211_HTC_AMSDU 0x00020000 /* CAPABILITY: A-MSDU tx */ 670/* NB: HT40 is implied by IEEE80211_HTCAP_CHWIDTH40 */ 671#define IEEE80211_HTC_HT 0x00040000 /* CAPABILITY: HT operation */ 672#define IEEE80211_HTC_SMPS 0x00080000 /* CAPABILITY: MIMO power save*/ 673#define IEEE80211_HTC_RIFS 0x00100000 /* CAPABILITY: RIFS support */ 674#define IEEE80211_HTC_RXUNEQUAL 0x00200000 /* CAPABILITY: RX unequal MCS */ 675#define IEEE80211_HTC_RXMCS32 0x00400000 /* CAPABILITY: MCS32 support */ 676#define IEEE80211_HTC_TXUNEQUAL 0x00800000 /* CAPABILITY: TX unequal MCS */ 677#define IEEE80211_HTC_TXMCS32 0x01000000 /* CAPABILITY: MCS32 suport */ 678 679#define IEEE80211_C_HTCAP_BITS \ 680 "\20\1LDPC\2CHWIDTH40\5GREENFIELD\6SHORTGI20\7SHORTGI40\10TXSTBC" \ 681 "\21AMPDU\22AMSDU\23HT\24SMPS\25RIFS" 682 683int ic_printf(struct ieee80211com *, const char *, ...) __printflike(2, 3); 684void ieee80211_ifattach(struct ieee80211com *, 685 const uint8_t macaddr[IEEE80211_ADDR_LEN]); 686void ieee80211_ifdetach(struct ieee80211com *); 687int ieee80211_vap_setup(struct ieee80211com *, struct ieee80211vap *, 688 const char name[IFNAMSIZ], int unit, 689 enum ieee80211_opmode opmode, int flags, 690 const uint8_t bssid[IEEE80211_ADDR_LEN], 691 const uint8_t macaddr[IEEE80211_ADDR_LEN]); 692int ieee80211_vap_attach(struct ieee80211vap *, 693 ifm_change_cb_t, ifm_stat_cb_t); 694void ieee80211_vap_detach(struct ieee80211vap *); 695const struct ieee80211_rateset *ieee80211_get_suprates(struct ieee80211com *ic, 696 const struct ieee80211_channel *); 697void ieee80211_announce(struct ieee80211com *); 698void ieee80211_announce_channels(struct ieee80211com *); 699void ieee80211_drain(struct ieee80211com *); 700void ieee80211_media_init(struct ieee80211com *); 701struct ieee80211com *ieee80211_find_vap(const uint8_t mac[IEEE80211_ADDR_LEN]); 702int ieee80211_media_change(struct ifnet *); 703void ieee80211_media_status(struct ifnet *, struct ifmediareq *); 704int ieee80211_ioctl(struct ifnet *, u_long, caddr_t); 705int ieee80211_rate2media(struct ieee80211com *, int, 706 enum ieee80211_phymode); 707int ieee80211_media2rate(int); 708int ieee80211_mhz2ieee(u_int, u_int); 709int ieee80211_chan2ieee(struct ieee80211com *, 710 const struct ieee80211_channel *); 711u_int ieee80211_ieee2mhz(u_int, u_int); 712struct ieee80211_channel *ieee80211_find_channel(struct ieee80211com *, 713 int freq, int flags); 714struct ieee80211_channel *ieee80211_find_channel_byieee(struct ieee80211com *, 715 int ieee, int flags); 716struct ieee80211_channel *ieee80211_lookup_channel_rxstatus(struct ieee80211vap *, 717 const struct ieee80211_rx_stats *); 718int ieee80211_setmode(struct ieee80211com *, enum ieee80211_phymode); 719enum ieee80211_phymode ieee80211_chan2mode(const struct ieee80211_channel *); 720uint32_t ieee80211_mac_hash(const struct ieee80211com *, 721 const uint8_t addr[IEEE80211_ADDR_LEN]); 722char ieee80211_channel_type_char(const struct ieee80211_channel *c); 723 724void ieee80211_radiotap_attach(struct ieee80211com *, 725 struct ieee80211_radiotap_header *th, int tlen, 726 uint32_t tx_radiotap, 727 struct ieee80211_radiotap_header *rh, int rlen, 728 uint32_t rx_radiotap); 729void ieee80211_radiotap_attachv(struct ieee80211com *, 730 struct ieee80211_radiotap_header *th, 731 int tlen, int n_tx_v, uint32_t tx_radiotap, 732 struct ieee80211_radiotap_header *rh, 733 int rlen, int n_rx_v, uint32_t rx_radiotap); 734void ieee80211_radiotap_detach(struct ieee80211com *); 735void ieee80211_radiotap_vattach(struct ieee80211vap *); 736void ieee80211_radiotap_vdetach(struct ieee80211vap *); 737void ieee80211_radiotap_chan_change(struct ieee80211com *); 738void ieee80211_radiotap_tx(struct ieee80211vap *, struct mbuf *); 739void ieee80211_radiotap_rx(struct ieee80211vap *, struct mbuf *); 740void ieee80211_radiotap_rx_all(struct ieee80211com *, struct mbuf *); 741 742static __inline int 743ieee80211_radiotap_active(const struct ieee80211com *ic) 744{ 745 return (ic->ic_flags_ext & IEEE80211_FEXT_BPF) != 0; 746} 747 748static __inline int 749ieee80211_radiotap_active_vap(const struct ieee80211vap *vap) 750{ 751 return (vap->iv_flags_ext & IEEE80211_FEXT_BPF) || 752 vap->iv_ic->ic_montaps != 0; 753} 754 755/* 756 * Enqueue a task on the state thread. 757 */ 758static __inline void 759ieee80211_runtask(struct ieee80211com *ic, struct task *task) 760{ 761 taskqueue_enqueue(ic->ic_tq, task); 762} 763 764/* 765 * Wait for a queued task to complete. 766 */ 767static __inline void 768ieee80211_draintask(struct ieee80211com *ic, struct task *task) 769{ 770 taskqueue_drain(ic->ic_tq, task); 771} 772 773/* 774 * Key update synchronization methods. XXX should not be visible. 775 */ 776static __inline void 777ieee80211_key_update_begin(struct ieee80211vap *vap) 778{ 779 vap->iv_key_update_begin(vap); 780} 781static __inline void 782ieee80211_key_update_end(struct ieee80211vap *vap) 783{ 784 vap->iv_key_update_end(vap); 785} 786 787/* 788 * XXX these need to be here for IEEE80211_F_DATAPAD 789 */ 790 791/* 792 * Return the space occupied by the 802.11 header and any 793 * padding required by the driver. This works for a 794 * management or data frame. 795 */ 796static __inline int 797ieee80211_hdrspace(struct ieee80211com *ic, const void *data) 798{ 799 int size = ieee80211_hdrsize(data); 800 if (ic->ic_flags & IEEE80211_F_DATAPAD) 801 size = roundup(size, sizeof(uint32_t)); 802 return size; 803} 804 805/* 806 * Like ieee80211_hdrspace, but handles any type of frame. 807 */ 808static __inline int 809ieee80211_anyhdrspace(struct ieee80211com *ic, const void *data) 810{ 811 int size = ieee80211_anyhdrsize(data); 812 if (ic->ic_flags & IEEE80211_F_DATAPAD) 813 size = roundup(size, sizeof(uint32_t)); 814 return size; 815} 816 817/* 818 * Notify a vap that beacon state has been updated. 819 */ 820static __inline void 821ieee80211_beacon_notify(struct ieee80211vap *vap, int what) 822{ 823 if (vap->iv_state == IEEE80211_S_RUN) 824 vap->iv_update_beacon(vap, what); 825} 826 827/* 828 * Calculate HT channel promotion flags for a channel. 829 * XXX belongs in ieee80211_ht.h but needs IEEE80211_FHT_* 830 */ 831static __inline int 832ieee80211_htchanflags(const struct ieee80211_channel *c) 833{ 834 return IEEE80211_IS_CHAN_HT40(c) ? 835 IEEE80211_FHT_HT | IEEE80211_FHT_USEHT40 : 836 IEEE80211_IS_CHAN_HT(c) ? IEEE80211_FHT_HT : 0; 837} 838 839/* 840 * Fetch the current TX power (cap) for the given node. 841 * 842 * This includes the node and ic/vap TX power limit as needed, 843 * but it doesn't take into account any per-rate limit. 844 */ 845static __inline uint16_t 846ieee80211_get_node_txpower(struct ieee80211_node *ni) 847{ 848 struct ieee80211com *ic = ni->ni_ic; 849 uint16_t txpower; 850 851 txpower = ni->ni_txpower; 852 txpower = MIN(txpower, ic->ic_txpowlimit); 853 if (ic->ic_curchan != NULL) { 854 txpower = MIN(txpower, 2 * ic->ic_curchan->ic_maxregpower); 855 txpower = MIN(txpower, ic->ic_curchan->ic_maxpower); 856 } 857 858 return (txpower); 859} 860 861/* 862 * Debugging facilities compiled in when IEEE80211_DEBUG is defined. 863 * 864 * The intent is that any problem in the net80211 layer can be 865 * diagnosed by inspecting the statistics (dumped by the wlanstats 866 * program) and/or the msgs generated by net80211. Messages are 867 * broken into functional classes and can be controlled with the 868 * wlandebug program. Certain of these msg groups are for facilities 869 * that are no longer part of net80211 (e.g. IEEE80211_MSG_DOT1XSM). 870 */ 871#define IEEE80211_MSG_11N 0x80000000 /* 11n mode debug */ 872#define IEEE80211_MSG_DEBUG 0x40000000 /* IFF_DEBUG equivalent */ 873#define IEEE80211_MSG_DUMPPKTS 0x20000000 /* IFF_LINK2 equivalant */ 874#define IEEE80211_MSG_CRYPTO 0x10000000 /* crypto work */ 875#define IEEE80211_MSG_INPUT 0x08000000 /* input handling */ 876#define IEEE80211_MSG_XRATE 0x04000000 /* rate set handling */ 877#define IEEE80211_MSG_ELEMID 0x02000000 /* element id parsing */ 878#define IEEE80211_MSG_NODE 0x01000000 /* node handling */ 879#define IEEE80211_MSG_ASSOC 0x00800000 /* association handling */ 880#define IEEE80211_MSG_AUTH 0x00400000 /* authentication handling */ 881#define IEEE80211_MSG_SCAN 0x00200000 /* scanning */ 882#define IEEE80211_MSG_OUTPUT 0x00100000 /* output handling */ 883#define IEEE80211_MSG_STATE 0x00080000 /* state machine */ 884#define IEEE80211_MSG_POWER 0x00040000 /* power save handling */ 885#define IEEE80211_MSG_HWMP 0x00020000 /* hybrid mesh protocol */ 886#define IEEE80211_MSG_DOT1XSM 0x00010000 /* 802.1x state machine */ 887#define IEEE80211_MSG_RADIUS 0x00008000 /* 802.1x radius client */ 888#define IEEE80211_MSG_RADDUMP 0x00004000 /* dump 802.1x radius packets */ 889#define IEEE80211_MSG_MESH 0x00002000 /* mesh networking */ 890#define IEEE80211_MSG_WPA 0x00001000 /* WPA/RSN protocol */ 891#define IEEE80211_MSG_ACL 0x00000800 /* ACL handling */ 892#define IEEE80211_MSG_WME 0x00000400 /* WME protocol */ 893#define IEEE80211_MSG_SUPERG 0x00000200 /* Atheros SuperG protocol */ 894#define IEEE80211_MSG_DOTH 0x00000100 /* 802.11h support */ 895#define IEEE80211_MSG_INACT 0x00000080 /* inactivity handling */ 896#define IEEE80211_MSG_ROAM 0x00000040 /* sta-mode roaming */ 897#define IEEE80211_MSG_RATECTL 0x00000020 /* tx rate control */ 898#define IEEE80211_MSG_ACTION 0x00000010 /* action frame handling */ 899#define IEEE80211_MSG_WDS 0x00000008 /* WDS handling */ 900#define IEEE80211_MSG_IOCTL 0x00000004 /* ioctl handling */ 901#define IEEE80211_MSG_TDMA 0x00000002 /* TDMA handling */ 902 903#define IEEE80211_MSG_ANY 0xffffffff /* anything */ 904 905#define IEEE80211_MSG_BITS \ 906 "\20\2TDMA\3IOCTL\4WDS\5ACTION\6RATECTL\7ROAM\10INACT\11DOTH\12SUPERG" \ 907 "\13WME\14ACL\15WPA\16RADKEYS\17RADDUMP\20RADIUS\21DOT1XSM\22HWMP" \ 908 "\23POWER\24STATE\25OUTPUT\26SCAN\27AUTH\30ASSOC\31NODE\32ELEMID" \ 909 "\33XRATE\34INPUT\35CRYPTO\36DUPMPKTS\37DEBUG\04011N" 910 911#ifdef IEEE80211_DEBUG 912#define ieee80211_msg(_vap, _m) ((_vap)->iv_debug & (_m)) 913#define IEEE80211_DPRINTF(_vap, _m, _fmt, ...) do { \ 914 if (ieee80211_msg(_vap, _m)) \ 915 ieee80211_note(_vap, _fmt, __VA_ARGS__); \ 916} while (0) 917#define IEEE80211_NOTE(_vap, _m, _ni, _fmt, ...) do { \ 918 if (ieee80211_msg(_vap, _m)) \ 919 ieee80211_note_mac(_vap, (_ni)->ni_macaddr, _fmt, __VA_ARGS__);\ 920} while (0) 921#define IEEE80211_NOTE_MAC(_vap, _m, _mac, _fmt, ...) do { \ 922 if (ieee80211_msg(_vap, _m)) \ 923 ieee80211_note_mac(_vap, _mac, _fmt, __VA_ARGS__); \ 924} while (0) 925#define IEEE80211_NOTE_FRAME(_vap, _m, _wh, _fmt, ...) do { \ 926 if (ieee80211_msg(_vap, _m)) \ 927 ieee80211_note_frame(_vap, _wh, _fmt, __VA_ARGS__); \ 928} while (0) 929void ieee80211_note(const struct ieee80211vap *, const char *, ...); 930void ieee80211_note_mac(const struct ieee80211vap *, 931 const uint8_t mac[IEEE80211_ADDR_LEN], const char *, ...); 932void ieee80211_note_frame(const struct ieee80211vap *, 933 const struct ieee80211_frame *, const char *, ...); 934#define ieee80211_msg_debug(_vap) \ 935 ((_vap)->iv_debug & IEEE80211_MSG_DEBUG) 936#define ieee80211_msg_dumppkts(_vap) \ 937 ((_vap)->iv_debug & IEEE80211_MSG_DUMPPKTS) 938#define ieee80211_msg_input(_vap) \ 939 ((_vap)->iv_debug & IEEE80211_MSG_INPUT) 940#define ieee80211_msg_radius(_vap) \ 941 ((_vap)->iv_debug & IEEE80211_MSG_RADIUS) 942#define ieee80211_msg_dumpradius(_vap) \ 943 ((_vap)->iv_debug & IEEE80211_MSG_RADDUMP) 944#define ieee80211_msg_dumpradkeys(_vap) \ 945 ((_vap)->iv_debug & IEEE80211_MSG_RADKEYS) 946#define ieee80211_msg_scan(_vap) \ 947 ((_vap)->iv_debug & IEEE80211_MSG_SCAN) 948#define ieee80211_msg_assoc(_vap) \ 949 ((_vap)->iv_debug & IEEE80211_MSG_ASSOC) 950 951/* 952 * Emit a debug message about discarding a frame or information 953 * element. One format is for extracting the mac address from 954 * the frame header; the other is for when a header is not 955 * available or otherwise appropriate. 956 */ 957#define IEEE80211_DISCARD(_vap, _m, _wh, _type, _fmt, ...) do { \ 958 if ((_vap)->iv_debug & (_m)) \ 959 ieee80211_discard_frame(_vap, _wh, _type, _fmt, __VA_ARGS__);\ 960} while (0) 961#define IEEE80211_DISCARD_IE(_vap, _m, _wh, _type, _fmt, ...) do { \ 962 if ((_vap)->iv_debug & (_m)) \ 963 ieee80211_discard_ie(_vap, _wh, _type, _fmt, __VA_ARGS__);\ 964} while (0) 965#define IEEE80211_DISCARD_MAC(_vap, _m, _mac, _type, _fmt, ...) do { \ 966 if ((_vap)->iv_debug & (_m)) \ 967 ieee80211_discard_mac(_vap, _mac, _type, _fmt, __VA_ARGS__);\ 968} while (0) 969 970void ieee80211_discard_frame(const struct ieee80211vap *, 971 const struct ieee80211_frame *, const char *type, const char *fmt, ...); 972void ieee80211_discard_ie(const struct ieee80211vap *, 973 const struct ieee80211_frame *, const char *type, const char *fmt, ...); 974void ieee80211_discard_mac(const struct ieee80211vap *, 975 const uint8_t mac[IEEE80211_ADDR_LEN], const char *type, 976 const char *fmt, ...); 977#else 978#define IEEE80211_DPRINTF(_vap, _m, _fmt, ...) 979#define IEEE80211_NOTE(_vap, _m, _ni, _fmt, ...) 980#define IEEE80211_NOTE_FRAME(_vap, _m, _wh, _fmt, ...) 981#define IEEE80211_NOTE_MAC(_vap, _m, _mac, _fmt, ...) 982#define ieee80211_msg_dumppkts(_vap) 0 983#define ieee80211_msg(_vap, _m) 0 984 985#define IEEE80211_DISCARD(_vap, _m, _wh, _type, _fmt, ...) 986#define IEEE80211_DISCARD_IE(_vap, _m, _wh, _type, _fmt, ...) 987#define IEEE80211_DISCARD_MAC(_vap, _m, _mac, _type, _fmt, ...) 988#endif 989 990#endif /* _NET80211_IEEE80211_VAR_H_ */ 991