1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3 * 4 * Copyright (c) 2001 Atsushi Onoe 5 * Copyright (c) 2002-2009 Sam Leffler, Errno Consulting 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 * 28 * $FreeBSD$ 29 */ 30 #ifndef _NET80211_IEEE80211_VAR_H_ 31 #define _NET80211_IEEE80211_VAR_H_ 32 33 /* 34 * Definitions for IEEE 802.11 drivers. 35 */ 36 /* NB: portability glue must go first */ 37 #if defined(__NetBSD__) 38 #include <net80211/ieee80211_netbsd.h> 39 #elif defined(__FreeBSD__) 40 #include <net80211/ieee80211_freebsd.h> 41 #elif defined(__linux__) 42 #include <net80211/ieee80211_linux.h> 43 #else 44 #error "No support for your operating system!" 45 #endif 46 47 #include <net80211/_ieee80211.h> 48 #include <net80211/ieee80211.h> 49 #include <net80211/ieee80211_ageq.h> 50 #include <net80211/ieee80211_crypto.h> 51 #include <net80211/ieee80211_dfs.h> 52 #include <net80211/ieee80211_ioctl.h> /* for ieee80211_stats */ 53 #include <net80211/ieee80211_phy.h> 54 #include <net80211/ieee80211_power.h> 55 #include <net80211/ieee80211_node.h> 56 #include <net80211/ieee80211_proto.h> 57 #include <net80211/ieee80211_radiotap.h> 58 #include <net80211/ieee80211_scan.h> 59 60 #define IEEE80211_TXPOWER_MAX 100 /* .5 dBm (XXX units?) */ 61 #define IEEE80211_TXPOWER_MIN 0 /* kill radio */ 62 63 #define IEEE80211_DTIM_DEFAULT 1 /* default DTIM period */ 64 #define IEEE80211_BINTVAL_DEFAULT 100 /* default beacon interval (TU's) */ 65 66 #define IEEE80211_BMISS_MAX 2 /* maximum consecutive bmiss allowed */ 67 #define IEEE80211_HWBMISS_DEFAULT 7 /* h/w bmiss threshold (beacons) */ 68 69 #define IEEE80211_BGSCAN_INTVAL_MIN 15 /* min bg scan intvl (secs) */ 70 #define IEEE80211_BGSCAN_INTVAL_DEFAULT (5*60) /* default bg scan intvl */ 71 72 #define IEEE80211_BGSCAN_IDLE_MIN 100 /* min idle time (ms) */ 73 #define IEEE80211_BGSCAN_IDLE_DEFAULT 250 /* default idle time (ms) */ 74 75 #define IEEE80211_SCAN_VALID_MIN 10 /* min scan valid time (secs) */ 76 #define IEEE80211_SCAN_VALID_DEFAULT 60 /* default scan valid time */ 77 78 #define IEEE80211_PS_SLEEP 0x1 /* STA is in power saving mode */ 79 #define IEEE80211_PS_MAX_QUEUE 50 /* maximum saved packets */ 80 81 #define IEEE80211_FIXED_RATE_NONE 0xff 82 #define IEEE80211_TXMAX_DEFAULT 6 /* default ucast max retries */ 83 84 #define IEEE80211_RTS_DEFAULT IEEE80211_RTS_MAX 85 #define IEEE80211_FRAG_DEFAULT IEEE80211_FRAG_MAX 86 87 #define IEEE80211_MS_TO_TU(x) (((x) * 1000) / 1024) 88 #define IEEE80211_TU_TO_MS(x) (((x) * 1024) / 1000) 89 /* XXX TODO: cap this at 1, in case hz is not 1000 */ 90 #define IEEE80211_TU_TO_TICKS(x)(((uint64_t)(x) * 1024 * hz) / (1000 * 1000)) 91 92 /* 93 * Technically, vhtflags may be 0 /and/ 11ac is enabled. 94 * At some point ic should just grow a flag somewhere that 95 * says that VHT is supported - and then this macro can be 96 * changed. 97 */ 98 #define IEEE80211_CONF_VHT(ic) \ 99 ((ic)->ic_flags_ext & IEEE80211_FEXT_VHT) 100 101 #define IEEE80211_CONF_SEQNO_OFFLOAD(ic) \ 102 ((ic)->ic_flags_ext & IEEE80211_FEXT_SEQNO_OFFLOAD) 103 #define IEEE80211_CONF_FRAG_OFFLOAD(ic) \ 104 ((ic)->ic_flags_ext & IEEE80211_FEXT_FRAG_OFFLOAD) 105 106 /* 107 * 802.11 control state is split into a common portion that maps 108 * 1-1 to a physical device and one or more "Virtual AP's" (VAP) 109 * that are bound to an ieee80211com instance and share a single 110 * underlying device. Each VAP has a corresponding OS device 111 * entity through which traffic flows and that applications use 112 * for issuing ioctls, etc. 113 */ 114 115 /* 116 * Data common to one or more virtual AP's. State shared by 117 * the underlying device and the net80211 layer is exposed here; 118 * e.g. device-specific callbacks. 119 */ 120 struct ieee80211vap; 121 typedef void (*ieee80211vap_attach)(struct ieee80211vap *); 122 123 struct ieee80211_appie { 124 uint16_t ie_len; /* size of ie_data */ 125 uint8_t ie_data[]; /* user-specified IE's */ 126 }; 127 128 struct ieee80211_tdma_param; 129 struct ieee80211_rate_table; 130 struct ieee80211_tx_ampdu; 131 struct ieee80211_rx_ampdu; 132 struct ieee80211_superg; 133 struct ieee80211_frame; 134 135 struct ieee80211com { 136 void *ic_softc; /* driver softc */ 137 const char *ic_name; /* usually device name */ 138 ieee80211_com_lock_t ic_comlock; /* state update lock */ 139 ieee80211_tx_lock_t ic_txlock; /* ic/vap TX lock */ 140 ieee80211_ff_lock_t ic_fflock; /* stageq/ni_tx_superg lock */ 141 LIST_ENTRY(ieee80211com) ic_next; /* on global list */ 142 TAILQ_HEAD(, ieee80211vap) ic_vaps; /* list of vap instances */ 143 int ic_headroom; /* driver tx headroom needs */ 144 enum ieee80211_phytype ic_phytype; /* XXX wrong for multi-mode */ 145 enum ieee80211_opmode ic_opmode; /* operation mode */ 146 struct callout ic_inact; /* inactivity processing */ 147 struct taskqueue *ic_tq; /* deferred state thread */ 148 struct task ic_parent_task; /* deferred parent processing */ 149 struct task ic_promisc_task;/* deferred promisc update */ 150 struct task ic_mcast_task; /* deferred mcast update */ 151 struct task ic_chan_task; /* deferred channel change */ 152 struct task ic_bmiss_task; /* deferred beacon miss hndlr */ 153 struct task ic_chw_task; /* deferred HT CHW update */ 154 struct task ic_restart_task; /* deferred device restart */ 155 156 counter_u64_t ic_ierrors; /* input errors */ 157 counter_u64_t ic_oerrors; /* output errors */ 158 159 uint32_t ic_flags; /* state flags */ 160 uint32_t ic_flags_ext; /* extended state flags */ 161 uint32_t ic_flags_ht; /* HT state flags */ 162 uint32_t ic_flags_ven; /* vendor state flags */ 163 uint32_t ic_caps; /* capabilities */ 164 uint32_t ic_htcaps; /* HT capabilities */ 165 uint32_t ic_htextcaps; /* HT extended capabilities */ 166 uint32_t ic_cryptocaps; /* crypto capabilities */ 167 /* set of mode capabilities */ 168 uint8_t ic_modecaps[IEEE80211_MODE_BYTES]; 169 uint8_t ic_promisc; /* vap's needing promisc mode */ 170 uint8_t ic_allmulti; /* vap's needing all multicast*/ 171 uint8_t ic_nrunning; /* vap's marked running */ 172 uint8_t ic_curmode; /* current mode */ 173 uint8_t ic_macaddr[IEEE80211_ADDR_LEN]; 174 uint16_t ic_bintval; /* beacon interval */ 175 uint16_t ic_lintval; /* listen interval */ 176 uint16_t ic_holdover; /* PM hold over duration */ 177 uint16_t ic_txpowlimit; /* global tx power limit */ 178 struct ieee80211_rateset ic_sup_rates[IEEE80211_MODE_MAX]; 179 struct ieee80211_htrateset ic_sup_htrates; 180 181 /* 182 * Channel state: 183 * 184 * ic_channels is the set of available channels for the device; 185 * it is setup by the driver 186 * ic_nchans is the number of valid entries in ic_channels 187 * ic_chan_avail is a bit vector of these channels used to check 188 * whether a channel is available w/o searching the channel table. 189 * ic_chan_active is a (potentially) constrained subset of 190 * ic_chan_avail that reflects any mode setting or user-specified 191 * limit on the set of channels to use/scan 192 * ic_curchan is the current channel the device is set to; it may 193 * be different from ic_bsschan when we are off-channel scanning 194 * or otherwise doing background work 195 * ic_bsschan is the channel selected for operation; it may 196 * be undefined (IEEE80211_CHAN_ANYC) 197 * ic_prevchan is a cached ``previous channel'' used to optimize 198 * lookups when switching back+forth between two channels 199 * (e.g. for dynamic turbo) 200 */ 201 int ic_nchans; /* # entries in ic_channels */ 202 struct ieee80211_channel ic_channels[IEEE80211_CHAN_MAX]; 203 uint8_t ic_chan_avail[IEEE80211_CHAN_BYTES]; 204 uint8_t ic_chan_active[IEEE80211_CHAN_BYTES]; 205 uint8_t ic_chan_scan[IEEE80211_CHAN_BYTES]; 206 struct ieee80211_channel *ic_curchan; /* current channel */ 207 const struct ieee80211_rate_table *ic_rt; /* table for ic_curchan */ 208 struct ieee80211_channel *ic_bsschan; /* bss channel */ 209 struct ieee80211_channel *ic_prevchan; /* previous channel */ 210 struct ieee80211_regdomain ic_regdomain;/* regulatory data */ 211 struct ieee80211_appie *ic_countryie; /* calculated country ie */ 212 struct ieee80211_channel *ic_countryie_chan; 213 214 /* 802.11h/DFS state */ 215 struct ieee80211_channel *ic_csa_newchan;/* channel for doing CSA */ 216 short ic_csa_mode; /* mode for doing CSA */ 217 short ic_csa_count; /* count for doing CSA */ 218 struct ieee80211_dfs_state ic_dfs; /* DFS state */ 219 220 struct ieee80211_scan_state *ic_scan; /* scan state */ 221 struct ieee80211_scan_methods *ic_scan_methods; /* scan methods */ 222 int ic_lastdata; /* time of last data frame */ 223 int ic_lastscan; /* time last scan completed */ 224 225 /* NB: this is the union of all vap stations/neighbors */ 226 int ic_max_keyix; /* max h/w key index */ 227 struct ieee80211_node_table ic_sta; /* stations/neighbors */ 228 struct ieee80211_ageq ic_stageq; /* frame staging queue */ 229 uint32_t ic_hash_key; /* random key for mac hash */ 230 231 /* XXX multi-bss: split out common/vap parts */ 232 struct ieee80211_wme_state ic_wme; /* WME/WMM state */ 233 234 /* XXX multi-bss: can per-vap be done/make sense? */ 235 enum ieee80211_protmode ic_protmode; /* 802.11g protection mode */ 236 uint16_t ic_nonerpsta; /* # non-ERP stations */ 237 uint16_t ic_longslotsta; /* # long slot time stations */ 238 uint16_t ic_sta_assoc; /* stations associated */ 239 uint16_t ic_ht_sta_assoc;/* HT stations associated */ 240 uint16_t ic_ht40_sta_assoc;/* HT40 stations associated */ 241 uint8_t ic_curhtprotmode;/* HTINFO bss state */ 242 enum ieee80211_protmode ic_htprotmode; /* HT protection mode */ 243 int ic_lastnonerp; /* last time non-ERP sta noted*/ 244 int ic_lastnonht; /* last time non-HT sta noted */ 245 uint8_t ic_rxstream; /* # RX streams */ 246 uint8_t ic_txstream; /* # TX streams */ 247 248 /* VHT information */ 249 uint32_t ic_vhtcaps; /* VHT capabilities */ 250 uint32_t ic_vhtextcaps; /* VHT extended capabilities (TODO) */ 251 struct ieee80211_vht_mcs_info ic_vht_mcsinfo; /* Support TX/RX VHT MCS */ 252 uint32_t ic_flags_vht; /* VHT state flags */ 253 uint32_t ic_vht_spare[3]; 254 255 /* optional state for Atheros SuperG protocol extensions */ 256 struct ieee80211_superg *ic_superg; 257 258 /* radiotap handling */ 259 struct ieee80211_radiotap_header *ic_th;/* tx radiotap headers */ 260 void *ic_txchan; /* channel state in ic_th */ 261 struct ieee80211_radiotap_header *ic_rh;/* rx radiotap headers */ 262 void *ic_rxchan; /* channel state in ic_rh */ 263 int ic_montaps; /* active monitor mode taps */ 264 265 /* virtual ap create/delete */ 266 struct ieee80211vap* (*ic_vap_create)(struct ieee80211com *, 267 const char [IFNAMSIZ], int, 268 enum ieee80211_opmode, int, 269 const uint8_t [IEEE80211_ADDR_LEN], 270 const uint8_t [IEEE80211_ADDR_LEN]); 271 void (*ic_vap_delete)(struct ieee80211vap *); 272 /* device specific ioctls */ 273 int (*ic_ioctl)(struct ieee80211com *, 274 u_long, void *); 275 /* start/stop device */ 276 void (*ic_parent)(struct ieee80211com *); 277 /* operating mode attachment */ 278 ieee80211vap_attach ic_vattach[IEEE80211_OPMODE_MAX]; 279 /* return hardware/radio capabilities */ 280 void (*ic_getradiocaps)(struct ieee80211com *, 281 int, int *, struct ieee80211_channel []); 282 /* check and/or prepare regdomain state change */ 283 int (*ic_setregdomain)(struct ieee80211com *, 284 struct ieee80211_regdomain *, 285 int, struct ieee80211_channel []); 286 287 int (*ic_set_quiet)(struct ieee80211_node *, 288 u_int8_t *quiet_elm); 289 290 /* regular transmit */ 291 int (*ic_transmit)(struct ieee80211com *, 292 struct mbuf *); 293 /* send/recv 802.11 management frame */ 294 int (*ic_send_mgmt)(struct ieee80211_node *, 295 int, int); 296 /* send raw 802.11 frame */ 297 int (*ic_raw_xmit)(struct ieee80211_node *, 298 struct mbuf *, 299 const struct ieee80211_bpf_params *); 300 /* update device state for 802.11 slot time change */ 301 void (*ic_updateslot)(struct ieee80211com *); 302 /* handle multicast state changes */ 303 void (*ic_update_mcast)(struct ieee80211com *); 304 /* handle promiscuous mode changes */ 305 void (*ic_update_promisc)(struct ieee80211com *); 306 /* new station association callback/notification */ 307 void (*ic_newassoc)(struct ieee80211_node *, int); 308 /* TDMA update notification */ 309 void (*ic_tdma_update)(struct ieee80211_node *, 310 const struct ieee80211_tdma_param *, int); 311 /* node state management */ 312 struct ieee80211_node* (*ic_node_alloc)(struct ieee80211vap *, 313 const uint8_t [IEEE80211_ADDR_LEN]); 314 void (*ic_node_free)(struct ieee80211_node *); 315 void (*ic_node_cleanup)(struct ieee80211_node *); 316 void (*ic_node_age)(struct ieee80211_node *); 317 void (*ic_node_drain)(struct ieee80211_node *); 318 int8_t (*ic_node_getrssi)(const struct ieee80211_node*); 319 void (*ic_node_getsignal)(const struct ieee80211_node*, 320 int8_t *, int8_t *); 321 void (*ic_node_getmimoinfo)( 322 const struct ieee80211_node*, 323 struct ieee80211_mimo_info *); 324 /* scanning support */ 325 void (*ic_scan_start)(struct ieee80211com *); 326 void (*ic_scan_end)(struct ieee80211com *); 327 void (*ic_set_channel)(struct ieee80211com *); 328 void (*ic_scan_curchan)(struct ieee80211_scan_state *, 329 unsigned long); 330 void (*ic_scan_mindwell)(struct ieee80211_scan_state *); 331 332 /* 333 * 802.11n ADDBA support. A simple/generic implementation 334 * of A-MPDU tx aggregation is provided; the driver may 335 * override these methods to provide their own support. 336 * A-MPDU rx re-ordering happens automatically if the 337 * driver passes out-of-order frames to ieee80211_input 338 * from an assocated HT station. 339 */ 340 int (*ic_recv_action)(struct ieee80211_node *, 341 const struct ieee80211_frame *, 342 const uint8_t *frm, const uint8_t *efrm); 343 int (*ic_send_action)(struct ieee80211_node *, 344 int category, int action, void *); 345 /* check if A-MPDU should be enabled this station+ac */ 346 int (*ic_ampdu_enable)(struct ieee80211_node *, 347 struct ieee80211_tx_ampdu *); 348 /* start/stop doing A-MPDU tx aggregation for a station */ 349 int (*ic_addba_request)(struct ieee80211_node *, 350 struct ieee80211_tx_ampdu *, 351 int dialogtoken, int baparamset, 352 int batimeout); 353 int (*ic_addba_response)(struct ieee80211_node *, 354 struct ieee80211_tx_ampdu *, 355 int status, int baparamset, int batimeout); 356 void (*ic_addba_stop)(struct ieee80211_node *, 357 struct ieee80211_tx_ampdu *); 358 void (*ic_addba_response_timeout)(struct ieee80211_node *, 359 struct ieee80211_tx_ampdu *); 360 /* BAR response received */ 361 void (*ic_bar_response)(struct ieee80211_node *, 362 struct ieee80211_tx_ampdu *, int status); 363 /* start/stop doing A-MPDU rx processing for a station */ 364 int (*ic_ampdu_rx_start)(struct ieee80211_node *, 365 struct ieee80211_rx_ampdu *, int baparamset, 366 int batimeout, int baseqctl); 367 void (*ic_ampdu_rx_stop)(struct ieee80211_node *, 368 struct ieee80211_rx_ampdu *); 369 370 /* The channel width has changed (20<->2040) */ 371 void (*ic_update_chw)(struct ieee80211com *); 372 373 uint64_t ic_spare[7]; 374 }; 375 376 struct ieee80211_aclator; 377 struct ieee80211_tdma_state; 378 struct ieee80211_mesh_state; 379 struct ieee80211_hwmp_state; 380 381 struct ieee80211vap { 382 struct ifmedia iv_media; /* interface media config */ 383 struct ifnet *iv_ifp; /* associated device */ 384 struct bpf_if *iv_rawbpf; /* packet filter structure */ 385 struct sysctl_ctx_list *iv_sysctl; /* dynamic sysctl context */ 386 struct sysctl_oid *iv_oid; /* net.wlan.X sysctl oid */ 387 388 TAILQ_ENTRY(ieee80211vap) iv_next; /* list of vap instances */ 389 struct ieee80211com *iv_ic; /* back ptr to common state */ 390 /* MAC address: ifp or ic */ 391 uint8_t iv_myaddr[IEEE80211_ADDR_LEN]; 392 uint32_t iv_debug; /* debug msg flags */ 393 struct ieee80211_stats iv_stats; /* statistics */ 394 395 uint32_t iv_flags; /* state flags */ 396 uint32_t iv_flags_ext; /* extended state flags */ 397 uint32_t iv_flags_ht; /* HT state flags */ 398 uint32_t iv_flags_ven; /* vendor state flags */ 399 uint32_t iv_ifflags; /* ifnet flags */ 400 uint32_t iv_caps; /* capabilities */ 401 uint32_t iv_htcaps; /* HT capabilities */ 402 uint32_t iv_htextcaps; /* HT extended capabilities */ 403 uint32_t iv_com_state; /* com usage / detached flag */ 404 enum ieee80211_opmode iv_opmode; /* operation mode */ 405 enum ieee80211_state iv_state; /* state machine state */ 406 enum ieee80211_state iv_nstate; /* pending state */ 407 int iv_nstate_arg; /* pending state arg */ 408 struct task iv_nstate_task; /* deferred state processing */ 409 struct task iv_swbmiss_task;/* deferred iv_bmiss call */ 410 struct callout iv_mgtsend; /* mgmt frame response timer */ 411 /* inactivity timer settings */ 412 int iv_inact_init; /* setting for new station */ 413 int iv_inact_auth; /* auth but not assoc setting */ 414 int iv_inact_run; /* authorized setting */ 415 int iv_inact_probe; /* inactive probe time */ 416 417 /* VHT flags */ 418 uint32_t iv_flags_vht; /* VHT state flags */ 419 uint32_t iv_vhtcaps; /* VHT capabilities */ 420 uint32_t iv_vhtextcaps; /* VHT extended capabilities (TODO) */ 421 struct ieee80211_vht_mcs_info iv_vht_mcsinfo; 422 uint32_t iv_vht_spare[4]; 423 424 int iv_des_nssid; /* # desired ssids */ 425 struct ieee80211_scan_ssid iv_des_ssid[1];/* desired ssid table */ 426 uint8_t iv_des_bssid[IEEE80211_ADDR_LEN]; 427 struct ieee80211_channel *iv_des_chan; /* desired channel */ 428 uint16_t iv_des_mode; /* desired mode */ 429 int iv_nicknamelen; /* XXX junk */ 430 uint8_t iv_nickname[IEEE80211_NWID_LEN]; 431 u_int iv_bgscanidle; /* bg scan idle threshold */ 432 u_int iv_bgscanintvl; /* bg scan min interval */ 433 u_int iv_scanvalid; /* scan cache valid threshold */ 434 u_int iv_scanreq_duration; 435 u_int iv_scanreq_mindwell; 436 u_int iv_scanreq_maxdwell; 437 uint16_t iv_scanreq_flags;/* held scan request params */ 438 uint8_t iv_scanreq_nssid; 439 struct ieee80211_scan_ssid iv_scanreq_ssid[IEEE80211_SCAN_MAX_SSID]; 440 /* sta-mode roaming state */ 441 enum ieee80211_roamingmode iv_roaming; /* roaming mode */ 442 struct ieee80211_roamparam iv_roamparms[IEEE80211_MODE_MAX]; 443 444 uint8_t iv_bmissthreshold; 445 uint8_t iv_bmiss_count; /* current beacon miss count */ 446 int iv_bmiss_max; /* max bmiss before scan */ 447 uint16_t iv_swbmiss_count;/* beacons in last period */ 448 uint16_t iv_swbmiss_period;/* s/w bmiss period */ 449 struct callout iv_swbmiss; /* s/w beacon miss timer */ 450 451 int iv_ampdu_rxmax; /* A-MPDU rx limit (bytes) */ 452 int iv_ampdu_density;/* A-MPDU density */ 453 int iv_ampdu_limit; /* A-MPDU tx limit (bytes) */ 454 int iv_amsdu_limit; /* A-MSDU tx limit (bytes) */ 455 u_int iv_ampdu_mintraffic[WME_NUM_AC]; 456 457 struct ieee80211_beacon_offsets iv_bcn_off; 458 uint32_t *iv_aid_bitmap; /* association id map */ 459 uint16_t iv_max_aid; 460 uint16_t iv_sta_assoc; /* stations associated */ 461 uint16_t iv_ps_sta; /* stations in power save */ 462 uint16_t iv_ps_pending; /* ps sta's w/ pending frames */ 463 uint16_t iv_txseq; /* mcast xmit seq# space */ 464 uint16_t iv_tim_len; /* ic_tim_bitmap size (bytes) */ 465 uint8_t *iv_tim_bitmap; /* power-save stations w/ data*/ 466 uint8_t iv_dtim_period; /* DTIM period */ 467 uint8_t iv_dtim_count; /* DTIM count from last bcn */ 468 /* set/unset aid pwrsav state */ 469 uint8_t iv_quiet; /* Quiet Element */ 470 uint8_t iv_quiet_count; /* constant count for Quiet Element */ 471 uint8_t iv_quiet_count_value; /* variable count for Quiet Element */ 472 uint8_t iv_quiet_period; /* period for Quiet Element */ 473 uint16_t iv_quiet_duration; /* duration for Quiet Element */ 474 uint16_t iv_quiet_offset; /* offset for Quiet Element */ 475 int iv_csa_count; /* count for doing CSA */ 476 477 struct ieee80211_node *iv_bss; /* information for this node */ 478 struct ieee80211_txparam iv_txparms[IEEE80211_MODE_MAX]; 479 uint16_t iv_rtsthreshold; 480 uint16_t iv_fragthreshold; 481 int iv_inact_timer; /* inactivity timer wait */ 482 /* application-specified IE's to attach to mgt frames */ 483 struct ieee80211_appie *iv_appie_beacon; 484 struct ieee80211_appie *iv_appie_probereq; 485 struct ieee80211_appie *iv_appie_proberesp; 486 struct ieee80211_appie *iv_appie_assocreq; 487 struct ieee80211_appie *iv_appie_assocresp; 488 struct ieee80211_appie *iv_appie_wpa; 489 uint8_t *iv_wpa_ie; 490 uint8_t *iv_rsn_ie; 491 492 /* Key management */ 493 uint16_t iv_max_keyix; /* max h/w key index */ 494 ieee80211_keyix iv_def_txkey; /* default/group tx key index */ 495 struct ieee80211_key iv_nw_keys[IEEE80211_WEP_NKID]; 496 int (*iv_key_alloc)(struct ieee80211vap *, 497 struct ieee80211_key *, 498 ieee80211_keyix *, ieee80211_keyix *); 499 int (*iv_key_delete)(struct ieee80211vap *, 500 const struct ieee80211_key *); 501 int (*iv_key_set)(struct ieee80211vap *, 502 const struct ieee80211_key *); 503 void (*iv_key_update_begin)(struct ieee80211vap *); 504 void (*iv_key_update_end)(struct ieee80211vap *); 505 void (*iv_update_deftxkey)(struct ieee80211vap *, 506 ieee80211_keyix deftxkey); 507 508 const struct ieee80211_authenticator *iv_auth; /* authenticator glue */ 509 void *iv_ec; /* private auth state */ 510 511 const struct ieee80211_aclator *iv_acl; /* acl glue */ 512 void *iv_as; /* private aclator state */ 513 514 const struct ieee80211_ratectl *iv_rate; 515 void *iv_rs; /* private ratectl state */ 516 517 struct ieee80211_tdma_state *iv_tdma; /* tdma state */ 518 struct ieee80211_mesh_state *iv_mesh; /* MBSS state */ 519 struct ieee80211_hwmp_state *iv_hwmp; /* HWMP state */ 520 521 /* operate-mode detach hook */ 522 void (*iv_opdetach)(struct ieee80211vap *); 523 /* receive processing */ 524 int (*iv_input)(struct ieee80211_node *, 525 struct mbuf *, 526 const struct ieee80211_rx_stats *, 527 int, int); 528 void (*iv_recv_mgmt)(struct ieee80211_node *, 529 struct mbuf *, int, 530 const struct ieee80211_rx_stats *, 531 int, int); 532 void (*iv_recv_ctl)(struct ieee80211_node *, 533 struct mbuf *, int); 534 void (*iv_deliver_data)(struct ieee80211vap *, 535 struct ieee80211_node *, struct mbuf *); 536 #if 0 537 /* send processing */ 538 int (*iv_send_mgmt)(struct ieee80211_node *, 539 int, int); 540 #endif 541 /* beacon miss processing */ 542 void (*iv_bmiss)(struct ieee80211vap *); 543 /* reset device state after 802.11 parameter/state change */ 544 int (*iv_reset)(struct ieee80211vap *, u_long); 545 /* [schedule] beacon frame update */ 546 void (*iv_update_beacon)(struct ieee80211vap *, int); 547 /* power save handling */ 548 void (*iv_update_ps)(struct ieee80211vap *, int); 549 int (*iv_set_tim)(struct ieee80211_node *, int); 550 void (*iv_node_ps)(struct ieee80211_node *, int); 551 void (*iv_sta_ps)(struct ieee80211vap *, int); 552 void (*iv_recv_pspoll)(struct ieee80211_node *, 553 struct mbuf *); 554 555 /* state machine processing */ 556 int (*iv_newstate)(struct ieee80211vap *, 557 enum ieee80211_state, int); 558 /* 802.3 output method for raw frame xmit */ 559 int (*iv_output)(struct ifnet *, struct mbuf *, 560 const struct sockaddr *, struct route *); 561 562 int (*iv_wme_update)(struct ieee80211vap *, 563 const struct wmeParams *wme_params); 564 struct task iv_wme_task; /* deferred VAP WME update */ 565 566 uint64_t iv_spare[6]; 567 }; 568 MALLOC_DECLARE(M_80211_VAP); 569 570 #define IEEE80211_ADDR_EQ(a1,a2) (memcmp(a1,a2,IEEE80211_ADDR_LEN) == 0) 571 #define IEEE80211_ADDR_COPY(dst,src) memcpy(dst,src,IEEE80211_ADDR_LEN) 572 573 /* ic_flags/iv_flags */ 574 #define IEEE80211_F_TURBOP 0x00000001 /* CONF: ATH Turbo enabled*/ 575 #define IEEE80211_F_COMP 0x00000002 /* CONF: ATH comp enabled */ 576 #define IEEE80211_F_FF 0x00000004 /* CONF: ATH FF enabled */ 577 #define IEEE80211_F_BURST 0x00000008 /* CONF: bursting enabled */ 578 /* NB: this is intentionally setup to be IEEE80211_CAPINFO_PRIVACY */ 579 #define IEEE80211_F_PRIVACY 0x00000010 /* CONF: privacy enabled */ 580 #define IEEE80211_F_PUREG 0x00000020 /* CONF: 11g w/o 11b sta's */ 581 #define IEEE80211_F_SCAN 0x00000080 /* STATUS: scanning */ 582 /* 0x00000300 reserved */ 583 /* NB: this is intentionally setup to be IEEE80211_CAPINFO_SHORT_SLOTTIME */ 584 #define IEEE80211_F_SHSLOT 0x00000400 /* STATUS: use short slot time*/ 585 #define IEEE80211_F_PMGTON 0x00000800 /* CONF: Power mgmt enable */ 586 #define IEEE80211_F_DESBSSID 0x00001000 /* CONF: des_bssid is set */ 587 #define IEEE80211_F_WME 0x00002000 /* CONF: enable WME use */ 588 #define IEEE80211_F_BGSCAN 0x00004000 /* CONF: bg scan enabled (???)*/ 589 #define IEEE80211_F_SWRETRY 0x00008000 /* CONF: sw tx retry enabled */ 590 /* 0x00030000 reserved */ 591 #define IEEE80211_F_SHPREAMBLE 0x00040000 /* STATUS: use short preamble */ 592 #define IEEE80211_F_DATAPAD 0x00080000 /* CONF: do alignment pad */ 593 #define IEEE80211_F_USEPROT 0x00100000 /* STATUS: protection enabled */ 594 #define IEEE80211_F_USEBARKER 0x00200000 /* STATUS: use barker preamble*/ 595 #define IEEE80211_F_CSAPENDING 0x00400000 /* STATUS: chan switch pending*/ 596 #define IEEE80211_F_WPA1 0x00800000 /* CONF: WPA enabled */ 597 #define IEEE80211_F_WPA2 0x01000000 /* CONF: WPA2 enabled */ 598 #define IEEE80211_F_WPA 0x01800000 /* CONF: WPA/WPA2 enabled */ 599 #define IEEE80211_F_DROPUNENC 0x02000000 /* CONF: drop unencrypted */ 600 #define IEEE80211_F_COUNTERM 0x04000000 /* CONF: TKIP countermeasures */ 601 #define IEEE80211_F_HIDESSID 0x08000000 /* CONF: hide SSID in beacon */ 602 #define IEEE80211_F_NOBRIDGE 0x10000000 /* CONF: dis. internal bridge */ 603 #define IEEE80211_F_PCF 0x20000000 /* CONF: PCF enabled */ 604 #define IEEE80211_F_DOTH 0x40000000 /* CONF: 11h enabled */ 605 #define IEEE80211_F_DWDS 0x80000000 /* CONF: Dynamic WDS enabled */ 606 607 #define IEEE80211_F_BITS \ 608 "\20\1TURBOP\2COMP\3FF\4BURST\5PRIVACY\6PUREG\10SCAN" \ 609 "\13SHSLOT\14PMGTON\15DESBSSID\16WME\17BGSCAN\20SWRETRY" \ 610 "\23SHPREAMBLE\24DATAPAD\25USEPROT\26USERBARKER\27CSAPENDING" \ 611 "\30WPA1\31WPA2\32DROPUNENC\33COUNTERM\34HIDESSID\35NOBRIDG\36PCF" \ 612 "\37DOTH\40DWDS" 613 614 /* Atheros protocol-specific flags */ 615 #define IEEE80211_F_ATHEROS \ 616 (IEEE80211_F_FF | IEEE80211_F_COMP | IEEE80211_F_TURBOP) 617 /* Check if an Atheros capability was negotiated for use */ 618 #define IEEE80211_ATH_CAP(vap, ni, bit) \ 619 ((vap)->iv_flags & (ni)->ni_ath_flags & (bit)) 620 621 /* ic_flags_ext/iv_flags_ext */ 622 #define IEEE80211_FEXT_INACT 0x00000002 /* CONF: sta inact handling */ 623 #define IEEE80211_FEXT_SCANWAIT 0x00000004 /* STATUS: awaiting scan */ 624 /* 0x00000006 reserved */ 625 #define IEEE80211_FEXT_BGSCAN 0x00000008 /* STATUS: complete bgscan */ 626 #define IEEE80211_FEXT_WPS 0x00000010 /* CONF: WPS enabled */ 627 #define IEEE80211_FEXT_TSN 0x00000020 /* CONF: TSN enabled */ 628 #define IEEE80211_FEXT_SCANREQ 0x00000040 /* STATUS: scan req params */ 629 #define IEEE80211_FEXT_RESUME 0x00000080 /* STATUS: start on resume */ 630 #define IEEE80211_FEXT_4ADDR 0x00000100 /* CONF: apply 4-addr encap */ 631 #define IEEE80211_FEXT_NONERP_PR 0x00000200 /* STATUS: non-ERP sta present*/ 632 #define IEEE80211_FEXT_SWBMISS 0x00000400 /* CONF: do bmiss in s/w */ 633 #define IEEE80211_FEXT_DFS 0x00000800 /* CONF: DFS enabled */ 634 #define IEEE80211_FEXT_DOTD 0x00001000 /* CONF: 11d enabled */ 635 #define IEEE80211_FEXT_STATEWAIT 0x00002000 /* STATUS: awaiting state chg */ 636 #define IEEE80211_FEXT_REINIT 0x00004000 /* STATUS: INIT state first */ 637 #define IEEE80211_FEXT_BPF 0x00008000 /* STATUS: BPF tap present */ 638 /* NB: immutable: should be set only when creating a vap */ 639 #define IEEE80211_FEXT_WDSLEGACY 0x00010000 /* CONF: legacy WDS operation */ 640 #define IEEE80211_FEXT_PROBECHAN 0x00020000 /* CONF: probe passive channel*/ 641 #define IEEE80211_FEXT_UNIQMAC 0x00040000 /* CONF: user or computed mac */ 642 #define IEEE80211_FEXT_SCAN_OFFLOAD 0x00080000 /* CONF: scan is fully offloaded */ 643 #define IEEE80211_FEXT_SEQNO_OFFLOAD 0x00100000 /* CONF: driver does seqno insertion/allocation */ 644 #define IEEE80211_FEXT_FRAG_OFFLOAD 0x00200000 /* CONF: hardware does 802.11 fragmentation + assignment */ 645 #define IEEE80211_FEXT_VHT 0x00400000 /* CONF: VHT support */ 646 #define IEEE80211_FEXT_QUIET_IE 0x00800000 /* STATUS: quiet IE in a beacon has been added */ 647 648 #define IEEE80211_FEXT_BITS \ 649 "\20\2INACT\3SCANWAIT\4BGSCAN\5WPS\6TSN\7SCANREQ\10RESUME" \ 650 "\0114ADDR\12NONEPR_PR\13SWBMISS\14DFS\15DOTD\16STATEWAIT\17REINIT" \ 651 "\20BPF\21WDSLEGACY\22PROBECHAN\23UNIQMAC\24SCAN_OFFLOAD\25SEQNO_OFFLOAD" \ 652 "\26VHT\27QUIET_IE" 653 654 /* ic_flags_ht/iv_flags_ht */ 655 #define IEEE80211_FHT_NONHT_PR 0x00000001 /* STATUS: non-HT sta present */ 656 #define IEEE80211_FHT_LDPC_TX 0x00010000 /* CONF: LDPC tx enabled */ 657 #define IEEE80211_FHT_LDPC_RX 0x00020000 /* CONF: LDPC rx enabled */ 658 #define IEEE80211_FHT_GF 0x00040000 /* CONF: Greenfield enabled */ 659 #define IEEE80211_FHT_HT 0x00080000 /* CONF: HT supported */ 660 #define IEEE80211_FHT_AMPDU_TX 0x00100000 /* CONF: A-MPDU tx supported */ 661 #define IEEE80211_FHT_AMPDU_RX 0x00200000 /* CONF: A-MPDU rx supported */ 662 #define IEEE80211_FHT_AMSDU_TX 0x00400000 /* CONF: A-MSDU tx supported */ 663 #define IEEE80211_FHT_AMSDU_RX 0x00800000 /* CONF: A-MSDU rx supported */ 664 #define IEEE80211_FHT_USEHT40 0x01000000 /* CONF: 20/40 use enabled */ 665 #define IEEE80211_FHT_PUREN 0x02000000 /* CONF: 11n w/o legacy sta's */ 666 #define IEEE80211_FHT_SHORTGI20 0x04000000 /* CONF: short GI in HT20 */ 667 #define IEEE80211_FHT_SHORTGI40 0x08000000 /* CONF: short GI in HT40 */ 668 #define IEEE80211_FHT_HTCOMPAT 0x10000000 /* CONF: HT vendor OUI's */ 669 #define IEEE80211_FHT_RIFS 0x20000000 /* CONF: RIFS enabled */ 670 #define IEEE80211_FHT_STBC_TX 0x40000000 /* CONF: STBC tx enabled */ 671 #define IEEE80211_FHT_STBC_RX 0x80000000 /* CONF: STBC rx enabled */ 672 673 #define IEEE80211_FHT_BITS \ 674 "\20\1NONHT_PR" \ 675 "\23GF\24HT\25AMPDU_TX\26AMPDU_TX" \ 676 "\27AMSDU_TX\30AMSDU_RX\31USEHT40\32PUREN\33SHORTGI20\34SHORTGI40" \ 677 "\35HTCOMPAT\36RIFS\37STBC_TX\40STBC_RX" 678 679 #define IEEE80211_FVEN_BITS "\20" 680 681 #define IEEE80211_FVHT_VHT 0x000000001 /* CONF: VHT supported */ 682 #define IEEE80211_FVHT_USEVHT40 0x000000002 /* CONF: Use VHT40 */ 683 #define IEEE80211_FVHT_USEVHT80 0x000000004 /* CONF: Use VHT80 */ 684 #define IEEE80211_FVHT_USEVHT80P80 0x000000008 /* CONF: Use VHT 80+80 */ 685 #define IEEE80211_FVHT_USEVHT160 0x000000010 /* CONF: Use VHT160 */ 686 #define IEEE80211_VFHT_BITS \ 687 "\20\1VHT\2VHT40\3VHT80\4VHT80P80\5VHT160" 688 689 #define IEEE80211_COM_DETACHED 0x00000001 /* ieee80211_ifdetach called */ 690 #define IEEE80211_COM_REF_ADD 0x00000002 /* add / remove reference */ 691 #define IEEE80211_COM_REF_M 0xfffffffe /* reference counter bits */ 692 #define IEEE80211_COM_REF_S 1 693 #define IEEE80211_COM_REF_MAX (IEEE80211_COM_REF_M >> IEEE80211_COM_REF_S) 694 695 int ic_printf(struct ieee80211com *, const char *, ...) __printflike(2, 3); 696 void ieee80211_ifattach(struct ieee80211com *); 697 void ieee80211_ifdetach(struct ieee80211com *); 698 int ieee80211_vap_setup(struct ieee80211com *, struct ieee80211vap *, 699 const char name[IFNAMSIZ], int unit, 700 enum ieee80211_opmode opmode, int flags, 701 const uint8_t bssid[IEEE80211_ADDR_LEN]); 702 int ieee80211_vap_attach(struct ieee80211vap *, 703 ifm_change_cb_t, ifm_stat_cb_t, 704 const uint8_t macaddr[IEEE80211_ADDR_LEN]); 705 void ieee80211_vap_detach(struct ieee80211vap *); 706 const struct ieee80211_rateset *ieee80211_get_suprates(struct ieee80211com *ic, 707 const struct ieee80211_channel *); 708 const struct ieee80211_htrateset *ieee80211_get_suphtrates( 709 struct ieee80211com *, 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 typedef void ieee80211_com_iter_func(void *, struct ieee80211com *); 717 void ieee80211_iterate_coms(ieee80211_com_iter_func *, void *); 718 int ieee80211_media_change(struct ifnet *); 719 void ieee80211_media_status(struct ifnet *, struct ifmediareq *); 720 int ieee80211_ioctl(struct ifnet *, u_long, caddr_t); 721 int ieee80211_rate2media(struct ieee80211com *, int, 722 enum ieee80211_phymode); 723 int ieee80211_media2rate(int); 724 int ieee80211_mhz2ieee(u_int, u_int); 725 int ieee80211_chan2ieee(struct ieee80211com *, 726 const struct ieee80211_channel *); 727 u_int ieee80211_ieee2mhz(u_int, u_int); 728 int ieee80211_add_channel(struct ieee80211_channel[], int, int *, 729 uint8_t, uint16_t, int8_t, uint32_t, const uint8_t[]); 730 int ieee80211_add_channel_ht40(struct ieee80211_channel[], int, int *, 731 uint8_t, int8_t, uint32_t); 732 uint32_t ieee80211_get_channel_center_freq(const struct ieee80211_channel *); 733 uint32_t ieee80211_get_channel_center_freq1(const struct ieee80211_channel *); 734 uint32_t ieee80211_get_channel_center_freq2(const struct ieee80211_channel *); 735 int ieee80211_add_channel_list_2ghz(struct ieee80211_channel[], int, int *, 736 const uint8_t[], int, const uint8_t[], int); 737 int ieee80211_add_channels_default_2ghz(struct ieee80211_channel[], int, 738 int *, const uint8_t[], int); 739 int ieee80211_add_channel_list_5ghz(struct ieee80211_channel[], int, int *, 740 const uint8_t[], int, const uint8_t[], int); 741 struct ieee80211_channel *ieee80211_find_channel(struct ieee80211com *, 742 int freq, int flags); 743 struct ieee80211_channel *ieee80211_find_channel_byieee(struct ieee80211com *, 744 int ieee, int flags); 745 struct ieee80211_channel *ieee80211_lookup_channel_rxstatus(struct ieee80211vap *, 746 const struct ieee80211_rx_stats *); 747 int ieee80211_setmode(struct ieee80211com *, enum ieee80211_phymode); 748 enum ieee80211_phymode ieee80211_chan2mode(const struct ieee80211_channel *); 749 uint32_t ieee80211_mac_hash(const struct ieee80211com *, 750 const uint8_t addr[IEEE80211_ADDR_LEN]); 751 char ieee80211_channel_type_char(const struct ieee80211_channel *c); 752 753 #define ieee80211_get_current_channel(_ic) ((_ic)->ic_curchan) 754 #define ieee80211_get_home_channel(_ic) ((_ic)->ic_bsschan) 755 #define ieee80211_get_vap_desired_channel(_iv) ((_iv)->iv_des_chan) 756 757 void ieee80211_radiotap_attach(struct ieee80211com *, 758 struct ieee80211_radiotap_header *th, int tlen, 759 uint32_t tx_radiotap, 760 struct ieee80211_radiotap_header *rh, int rlen, 761 uint32_t rx_radiotap); 762 void ieee80211_radiotap_attachv(struct ieee80211com *, 763 struct ieee80211_radiotap_header *th, 764 int tlen, int n_tx_v, uint32_t tx_radiotap, 765 struct ieee80211_radiotap_header *rh, 766 int rlen, int n_rx_v, uint32_t rx_radiotap); 767 void ieee80211_radiotap_detach(struct ieee80211com *); 768 void ieee80211_radiotap_vattach(struct ieee80211vap *); 769 void ieee80211_radiotap_vdetach(struct ieee80211vap *); 770 void ieee80211_radiotap_chan_change(struct ieee80211com *); 771 void ieee80211_radiotap_tx(struct ieee80211vap *, struct mbuf *); 772 void ieee80211_radiotap_rx(struct ieee80211vap *, struct mbuf *); 773 void ieee80211_radiotap_rx_all(struct ieee80211com *, struct mbuf *); 774 775 static __inline int 776 ieee80211_radiotap_active(const struct ieee80211com *ic) 777 { 778 return (ic->ic_flags_ext & IEEE80211_FEXT_BPF) != 0; 779 } 780 781 static __inline int 782 ieee80211_radiotap_active_vap(const struct ieee80211vap *vap) 783 { 784 return (vap->iv_flags_ext & IEEE80211_FEXT_BPF) || 785 vap->iv_ic->ic_montaps != 0; 786 } 787 788 /* 789 * Enqueue a task on the state thread. 790 */ 791 static __inline void 792 ieee80211_runtask(struct ieee80211com *ic, struct task *task) 793 { 794 taskqueue_enqueue(ic->ic_tq, task); 795 } 796 797 /* 798 * Wait for a queued task to complete. 799 */ 800 static __inline void 801 ieee80211_draintask(struct ieee80211com *ic, struct task *task) 802 { 803 taskqueue_drain(ic->ic_tq, task); 804 } 805 806 /* 807 * Key update synchronization methods. XXX should not be visible. 808 */ 809 static __inline void 810 ieee80211_key_update_begin(struct ieee80211vap *vap) 811 { 812 vap->iv_key_update_begin(vap); 813 } 814 static __inline void 815 ieee80211_key_update_end(struct ieee80211vap *vap) 816 { 817 vap->iv_key_update_end(vap); 818 } 819 820 /* 821 * XXX these need to be here for IEEE80211_F_DATAPAD 822 */ 823 824 /* 825 * Return the space occupied by the 802.11 header and any 826 * padding required by the driver. This works for a 827 * management or data frame. 828 */ 829 static __inline int 830 ieee80211_hdrspace(struct ieee80211com *ic, const void *data) 831 { 832 int size = ieee80211_hdrsize(data); 833 if (ic->ic_flags & IEEE80211_F_DATAPAD) 834 size = roundup(size, sizeof(uint32_t)); 835 return size; 836 } 837 838 /* 839 * Like ieee80211_hdrspace, but handles any type of frame. 840 */ 841 static __inline int 842 ieee80211_anyhdrspace(struct ieee80211com *ic, const void *data) 843 { 844 int size = ieee80211_anyhdrsize(data); 845 if (ic->ic_flags & IEEE80211_F_DATAPAD) 846 size = roundup(size, sizeof(uint32_t)); 847 return size; 848 } 849 850 /* 851 * Notify a vap that beacon state has been updated. 852 */ 853 static __inline void 854 ieee80211_beacon_notify(struct ieee80211vap *vap, int what) 855 { 856 if (vap->iv_state == IEEE80211_S_RUN) 857 vap->iv_update_beacon(vap, what); 858 } 859 860 /* 861 * Calculate HT channel promotion flags for a channel. 862 * XXX belongs in ieee80211_ht.h but needs IEEE80211_FHT_* 863 */ 864 static __inline int 865 ieee80211_htchanflags(const struct ieee80211_channel *c) 866 { 867 return IEEE80211_IS_CHAN_HT40(c) ? 868 IEEE80211_FHT_HT | IEEE80211_FHT_USEHT40 : 869 IEEE80211_IS_CHAN_HT(c) ? IEEE80211_FHT_HT : 0; 870 } 871 872 /* 873 * Calculate VHT channel promotion flags for a channel. 874 * XXX belongs in ieee80211_vht.h but needs IEEE80211_FVHT_* 875 */ 876 static __inline int 877 ieee80211_vhtchanflags(const struct ieee80211_channel *c) 878 { 879 880 if (IEEE80211_IS_CHAN_VHT160(c)) 881 return IEEE80211_FVHT_USEVHT160; 882 if (IEEE80211_IS_CHAN_VHT80_80(c)) 883 return IEEE80211_FVHT_USEVHT80P80; 884 if (IEEE80211_IS_CHAN_VHT80(c)) 885 return IEEE80211_FVHT_USEVHT80; 886 if (IEEE80211_IS_CHAN_VHT40(c)) 887 return IEEE80211_FVHT_USEVHT40; 888 if (IEEE80211_IS_CHAN_VHT(c)) 889 return IEEE80211_FVHT_VHT; 890 return (0); 891 } 892 893 /* 894 * Fetch the current TX power (cap) for the given node. 895 * 896 * This includes the node and ic/vap TX power limit as needed, 897 * but it doesn't take into account any per-rate limit. 898 */ 899 static __inline uint16_t 900 ieee80211_get_node_txpower(struct ieee80211_node *ni) 901 { 902 struct ieee80211com *ic = ni->ni_ic; 903 uint16_t txpower; 904 905 txpower = ni->ni_txpower; 906 txpower = MIN(txpower, ic->ic_txpowlimit); 907 if (ic->ic_curchan != NULL) { 908 txpower = MIN(txpower, 2 * ic->ic_curchan->ic_maxregpower); 909 txpower = MIN(txpower, ic->ic_curchan->ic_maxpower); 910 } 911 912 return (txpower); 913 } 914 915 /* 916 * Debugging facilities compiled in when IEEE80211_DEBUG is defined. 917 * 918 * The intent is that any problem in the net80211 layer can be 919 * diagnosed by inspecting the statistics (dumped by the wlanstats 920 * program) and/or the msgs generated by net80211. Messages are 921 * broken into functional classes and can be controlled with the 922 * wlandebug program. Certain of these msg groups are for facilities 923 * that are no longer part of net80211 (e.g. IEEE80211_MSG_DOT1XSM). 924 */ 925 #define IEEE80211_MSG_11N 0x80000000 /* 11n mode debug */ 926 #define IEEE80211_MSG_DEBUG 0x40000000 /* IFF_DEBUG equivalent */ 927 #define IEEE80211_MSG_DUMPPKTS 0x20000000 /* IFF_LINK2 equivalant */ 928 #define IEEE80211_MSG_CRYPTO 0x10000000 /* crypto work */ 929 #define IEEE80211_MSG_INPUT 0x08000000 /* input handling */ 930 #define IEEE80211_MSG_XRATE 0x04000000 /* rate set handling */ 931 #define IEEE80211_MSG_ELEMID 0x02000000 /* element id parsing */ 932 #define IEEE80211_MSG_NODE 0x01000000 /* node handling */ 933 #define IEEE80211_MSG_ASSOC 0x00800000 /* association handling */ 934 #define IEEE80211_MSG_AUTH 0x00400000 /* authentication handling */ 935 #define IEEE80211_MSG_SCAN 0x00200000 /* scanning */ 936 #define IEEE80211_MSG_OUTPUT 0x00100000 /* output handling */ 937 #define IEEE80211_MSG_STATE 0x00080000 /* state machine */ 938 #define IEEE80211_MSG_POWER 0x00040000 /* power save handling */ 939 #define IEEE80211_MSG_HWMP 0x00020000 /* hybrid mesh protocol */ 940 #define IEEE80211_MSG_DOT1XSM 0x00010000 /* 802.1x state machine */ 941 #define IEEE80211_MSG_RADIUS 0x00008000 /* 802.1x radius client */ 942 #define IEEE80211_MSG_RADDUMP 0x00004000 /* dump 802.1x radius packets */ 943 #define IEEE80211_MSG_MESH 0x00002000 /* mesh networking */ 944 #define IEEE80211_MSG_WPA 0x00001000 /* WPA/RSN protocol */ 945 #define IEEE80211_MSG_ACL 0x00000800 /* ACL handling */ 946 #define IEEE80211_MSG_WME 0x00000400 /* WME protocol */ 947 #define IEEE80211_MSG_SUPERG 0x00000200 /* Atheros SuperG protocol */ 948 #define IEEE80211_MSG_DOTH 0x00000100 /* 802.11h support */ 949 #define IEEE80211_MSG_INACT 0x00000080 /* inactivity handling */ 950 #define IEEE80211_MSG_ROAM 0x00000040 /* sta-mode roaming */ 951 #define IEEE80211_MSG_RATECTL 0x00000020 /* tx rate control */ 952 #define IEEE80211_MSG_ACTION 0x00000010 /* action frame handling */ 953 #define IEEE80211_MSG_WDS 0x00000008 /* WDS handling */ 954 #define IEEE80211_MSG_IOCTL 0x00000004 /* ioctl handling */ 955 #define IEEE80211_MSG_TDMA 0x00000002 /* TDMA handling */ 956 957 #define IEEE80211_MSG_ANY 0xffffffff /* anything */ 958 959 #define IEEE80211_MSG_BITS \ 960 "\20\2TDMA\3IOCTL\4WDS\5ACTION\6RATECTL\7ROAM\10INACT\11DOTH\12SUPERG" \ 961 "\13WME\14ACL\15WPA\16RADKEYS\17RADDUMP\20RADIUS\21DOT1XSM\22HWMP" \ 962 "\23POWER\24STATE\25OUTPUT\26SCAN\27AUTH\30ASSOC\31NODE\32ELEMID" \ 963 "\33XRATE\34INPUT\35CRYPTO\36DUPMPKTS\37DEBUG\04011N" 964 965 #ifdef IEEE80211_DEBUG 966 #define ieee80211_msg(_vap, _m) ((_vap)->iv_debug & (_m)) 967 #define IEEE80211_DPRINTF(_vap, _m, _fmt, ...) do { \ 968 if (ieee80211_msg(_vap, _m)) \ 969 ieee80211_note(_vap, _fmt, __VA_ARGS__); \ 970 } while (0) 971 #define IEEE80211_NOTE(_vap, _m, _ni, _fmt, ...) do { \ 972 if (ieee80211_msg(_vap, _m)) \ 973 ieee80211_note_mac(_vap, (_ni)->ni_macaddr, _fmt, __VA_ARGS__);\ 974 } while (0) 975 #define IEEE80211_NOTE_MAC(_vap, _m, _mac, _fmt, ...) do { \ 976 if (ieee80211_msg(_vap, _m)) \ 977 ieee80211_note_mac(_vap, _mac, _fmt, __VA_ARGS__); \ 978 } while (0) 979 #define IEEE80211_NOTE_FRAME(_vap, _m, _wh, _fmt, ...) do { \ 980 if (ieee80211_msg(_vap, _m)) \ 981 ieee80211_note_frame(_vap, _wh, _fmt, __VA_ARGS__); \ 982 } while (0) 983 void ieee80211_note(const struct ieee80211vap *, const char *, ...); 984 void ieee80211_note_mac(const struct ieee80211vap *, 985 const uint8_t mac[IEEE80211_ADDR_LEN], const char *, ...); 986 void ieee80211_note_frame(const struct ieee80211vap *, 987 const struct ieee80211_frame *, const char *, ...); 988 #define ieee80211_msg_debug(_vap) \ 989 ((_vap)->iv_debug & IEEE80211_MSG_DEBUG) 990 #define ieee80211_msg_dumppkts(_vap) \ 991 ((_vap)->iv_debug & IEEE80211_MSG_DUMPPKTS) 992 #define ieee80211_msg_input(_vap) \ 993 ((_vap)->iv_debug & IEEE80211_MSG_INPUT) 994 #define ieee80211_msg_radius(_vap) \ 995 ((_vap)->iv_debug & IEEE80211_MSG_RADIUS) 996 #define ieee80211_msg_dumpradius(_vap) \ 997 ((_vap)->iv_debug & IEEE80211_MSG_RADDUMP) 998 #define ieee80211_msg_dumpradkeys(_vap) \ 999 ((_vap)->iv_debug & IEEE80211_MSG_RADKEYS) 1000 #define ieee80211_msg_scan(_vap) \ 1001 ((_vap)->iv_debug & IEEE80211_MSG_SCAN) 1002 #define ieee80211_msg_assoc(_vap) \ 1003 ((_vap)->iv_debug & IEEE80211_MSG_ASSOC) 1004 1005 /* 1006 * Emit a debug message about discarding a frame or information 1007 * element. One format is for extracting the mac address from 1008 * the frame header; the other is for when a header is not 1009 * available or otherwise appropriate. 1010 */ 1011 #define IEEE80211_DISCARD(_vap, _m, _wh, _type, _fmt, ...) do { \ 1012 if ((_vap)->iv_debug & (_m)) \ 1013 ieee80211_discard_frame(_vap, _wh, _type, _fmt, __VA_ARGS__);\ 1014 } while (0) 1015 #define IEEE80211_DISCARD_IE(_vap, _m, _wh, _type, _fmt, ...) do { \ 1016 if ((_vap)->iv_debug & (_m)) \ 1017 ieee80211_discard_ie(_vap, _wh, _type, _fmt, __VA_ARGS__);\ 1018 } while (0) 1019 #define IEEE80211_DISCARD_MAC(_vap, _m, _mac, _type, _fmt, ...) do { \ 1020 if ((_vap)->iv_debug & (_m)) \ 1021 ieee80211_discard_mac(_vap, _mac, _type, _fmt, __VA_ARGS__);\ 1022 } while (0) 1023 1024 void ieee80211_discard_frame(const struct ieee80211vap *, 1025 const struct ieee80211_frame *, const char *type, const char *fmt, ...); 1026 void ieee80211_discard_ie(const struct ieee80211vap *, 1027 const struct ieee80211_frame *, const char *type, const char *fmt, ...); 1028 void ieee80211_discard_mac(const struct ieee80211vap *, 1029 const uint8_t mac[IEEE80211_ADDR_LEN], const char *type, 1030 const char *fmt, ...); 1031 #else 1032 #define IEEE80211_DPRINTF(_vap, _m, _fmt, ...) 1033 #define IEEE80211_NOTE(_vap, _m, _ni, _fmt, ...) 1034 #define IEEE80211_NOTE_FRAME(_vap, _m, _wh, _fmt, ...) 1035 #define IEEE80211_NOTE_MAC(_vap, _m, _mac, _fmt, ...) 1036 #define ieee80211_msg_dumppkts(_vap) 0 1037 #define ieee80211_msg(_vap, _m) 0 1038 1039 #define IEEE80211_DISCARD(_vap, _m, _wh, _type, _fmt, ...) 1040 #define IEEE80211_DISCARD_IE(_vap, _m, _wh, _type, _fmt, ...) 1041 #define IEEE80211_DISCARD_MAC(_vap, _m, _mac, _type, _fmt, ...) 1042 #endif 1043 1044 #endif /* _NET80211_IEEE80211_VAR_H_ */ 1045