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sys/net80211/ieee80211_var.h
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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 net80211dump_methods; 136 137 struct ieee80211com { 138 void *ic_softc; /* driver softc */ 139 const char *ic_name; /* usually device name */ 140 ieee80211_com_lock_t ic_comlock; /* state update lock */ 141 ieee80211_tx_lock_t ic_txlock; /* ic/vap TX lock */ 142 ieee80211_ff_lock_t ic_fflock; /* stageq/ni_tx_superg lock */ 143 LIST_ENTRY(ieee80211com) ic_next; /* on global list */ 144 TAILQ_HEAD(, ieee80211vap) ic_vaps; /* list of vap instances */ 145 int ic_headroom; /* driver tx headroom needs */ 146 enum ieee80211_phytype ic_phytype; /* XXX wrong for multi-mode */ 147 enum ieee80211_opmode ic_opmode; /* operation mode */ 148 struct callout ic_inact; /* inactivity processing */ 149 struct taskqueue *ic_tq; /* deferred state thread */ 150 struct task ic_parent_task; /* deferred parent processing */ 151 struct task ic_promisc_task;/* deferred promisc update */ 152 struct task ic_mcast_task; /* deferred mcast update */ 153 struct task ic_chan_task; /* deferred channel change */ 154 struct task ic_bmiss_task; /* deferred beacon miss hndlr */ 155 struct task ic_chw_task; /* deferred HT CHW update */ 156 struct task ic_restart_task; /* deferred device restart */ 157 158 counter_u64_t ic_ierrors; /* input errors */ 159 counter_u64_t ic_oerrors; /* output errors */ 160 161 uint32_t ic_flags; /* state flags */ 162 uint32_t ic_flags_ext; /* extended state flags */ 163 uint32_t ic_flags_ht; /* HT state flags */ 164 uint32_t ic_flags_ven; /* vendor state flags */ 165 uint32_t ic_caps; /* capabilities */ 166 uint32_t ic_htcaps; /* HT capabilities */ 167 uint32_t ic_htextcaps; /* HT extended capabilities */ 168 uint32_t ic_cryptocaps; /* crypto capabilities */ 169 /* set of mode capabilities */ 170 uint8_t ic_modecaps[IEEE80211_MODE_BYTES]; 171 uint8_t ic_promisc; /* vap's needing promisc mode */ 172 uint8_t ic_allmulti; /* vap's needing all multicast*/ 173 uint8_t ic_nrunning; /* vap's marked running */ 174 uint8_t ic_curmode; /* current mode */ 175 uint8_t ic_macaddr[IEEE80211_ADDR_LEN]; 176 uint16_t ic_bintval; /* beacon interval */ 177 uint16_t ic_lintval; /* listen interval */ 178 uint16_t ic_holdover; /* PM hold over duration */ 179 uint16_t ic_txpowlimit; /* global tx power limit */ 180 struct ieee80211_rateset ic_sup_rates[IEEE80211_MODE_MAX]; 181 struct ieee80211_htrateset ic_sup_htrates; 182 183 /* 184 * Channel state: 185 * 186 * ic_channels is the set of available channels for the device; 187 * it is setup by the driver 188 * ic_nchans is the number of valid entries in ic_channels 189 * ic_chan_avail is a bit vector of these channels used to check 190 * whether a channel is available w/o searching the channel table. 191 * ic_chan_active is a (potentially) constrained subset of 192 * ic_chan_avail that reflects any mode setting or user-specified 193 * limit on the set of channels to use/scan 194 * ic_curchan is the current channel the device is set to; it may 195 * be different from ic_bsschan when we are off-channel scanning 196 * or otherwise doing background work 197 * ic_bsschan is the channel selected for operation; it may 198 * be undefined (IEEE80211_CHAN_ANYC) 199 * ic_prevchan is a cached ``previous channel'' used to optimize 200 * lookups when switching back+forth between two channels 201 * (e.g. for dynamic turbo) 202 */ 203 int ic_nchans; /* # entries in ic_channels */ 204 struct ieee80211_channel ic_channels[IEEE80211_CHAN_MAX]; 205 uint8_t ic_chan_avail[IEEE80211_CHAN_BYTES]; 206 uint8_t ic_chan_active[IEEE80211_CHAN_BYTES]; 207 uint8_t ic_chan_scan[IEEE80211_CHAN_BYTES]; 208 struct ieee80211_channel *ic_curchan; /* current channel */ 209 const struct ieee80211_rate_table *ic_rt; /* table for ic_curchan */ 210 struct ieee80211_channel *ic_bsschan; /* bss channel */ 211 struct ieee80211_channel *ic_prevchan; /* previous channel */ 212 struct ieee80211_regdomain ic_regdomain;/* regulatory data */ 213 struct ieee80211_appie *ic_countryie; /* calculated country ie */ 214 struct ieee80211_channel *ic_countryie_chan; 215 216 /* 802.11h/DFS state */ 217 struct ieee80211_channel *ic_csa_newchan;/* channel for doing CSA */ 218 short ic_csa_mode; /* mode for doing CSA */ 219 short ic_csa_count; /* count for doing CSA */ 220 struct ieee80211_dfs_state ic_dfs; /* DFS state */ 221 222 struct ieee80211_scan_state *ic_scan; /* scan state */ 223 struct ieee80211_scan_methods *ic_scan_methods; /* scan methods */ 224 int ic_lastdata; /* time of last data frame */ 225 int ic_lastscan; /* time last scan completed */ 226 227 /* NB: this is the union of all vap stations/neighbors */ 228 int ic_max_keyix; /* max h/w key index */ 229 struct ieee80211_node_table ic_sta; /* stations/neighbors */ 230 struct ieee80211_ageq ic_stageq; /* frame staging queue */ 231 uint32_t ic_hash_key; /* random key for mac hash */ 232 233 /* XXX multi-bss: split out common/vap parts */ 234 struct ieee80211_wme_state ic_wme; /* WME/WMM state */ 235 236 /* Protection mode for net80211 driven channel NICs */ 237 enum ieee80211_protmode ic_protmode; /* 802.11g protection mode */ 238 enum ieee80211_protmode ic_htprotmode; /* HT protection mode */ 239 uint8_t ic_curhtprotmode;/* HTINFO bss state */ 240 241 uint8_t ic_rxstream; /* # RX streams */ 242 uint8_t ic_txstream; /* # TX streams */ 243 244 /* VHT information */ 245 uint32_t ic_vhtcaps; /* VHT capabilities */ 246 uint32_t ic_vhtextcaps; /* VHT extended capabilities (TODO) */ 247 struct ieee80211_vht_mcs_info ic_vht_mcsinfo; /* Support TX/RX VHT MCS */ 248 uint32_t ic_flags_vht; /* VHT state flags */ 249 uint32_t ic_vht_spare[3]; 250 251 /* optional state for Atheros SuperG protocol extensions */ 252 struct ieee80211_superg *ic_superg; 253 254 /* radiotap handling */ 255 struct ieee80211_radiotap_header *ic_th;/* tx radiotap headers */ 256 void *ic_txchan; /* channel state in ic_th */ 257 struct ieee80211_radiotap_header *ic_rh;/* rx radiotap headers */ 258 void *ic_rxchan; /* channel state in ic_rh */ 259 int ic_montaps; /* active monitor mode taps */ 260 261 /* virtual ap create/delete */ 262 struct ieee80211vap* (*ic_vap_create)(struct ieee80211com *, 263 const char [IFNAMSIZ], int, 264 enum ieee80211_opmode, int, 265 const uint8_t [IEEE80211_ADDR_LEN], 266 const uint8_t [IEEE80211_ADDR_LEN]); 267 void (*ic_vap_delete)(struct ieee80211vap *); 268 /* device specific ioctls */ 269 int (*ic_ioctl)(struct ieee80211com *, 270 u_long, void *); 271 /* start/stop device */ 272 void (*ic_parent)(struct ieee80211com *); 273 /* operating mode attachment */ 274 ieee80211vap_attach ic_vattach[IEEE80211_OPMODE_MAX]; 275 /* return hardware/radio capabilities */ 276 void (*ic_getradiocaps)(struct ieee80211com *, 277 int, int *, struct ieee80211_channel []); 278 /* check and/or prepare regdomain state change */ 279 int (*ic_setregdomain)(struct ieee80211com *, 280 struct ieee80211_regdomain *, 281 int, struct ieee80211_channel []); 282 283 int (*ic_set_quiet)(struct ieee80211_node *, 284 u_int8_t *quiet_elm); 285 286 /* regular transmit */ 287 int (*ic_transmit)(struct ieee80211com *, 288 struct mbuf *); 289 /* send/recv 802.11 management frame */ 290 int (*ic_send_mgmt)(struct ieee80211_node *, 291 int, int); 292 /* send raw 802.11 frame */ 293 int (*ic_raw_xmit)(struct ieee80211_node *, 294 struct mbuf *, 295 const struct ieee80211_bpf_params *); 296 /* update device state for 802.11 slot time change */ 297 void (*ic_updateslot)(struct ieee80211com *); 298 /* handle multicast state changes */ 299 void (*ic_update_mcast)(struct ieee80211com *); 300 /* handle promiscuous mode changes */ 301 void (*ic_update_promisc)(struct ieee80211com *); 302 /* new station association callback/notification */ 303 void (*ic_newassoc)(struct ieee80211_node *, int); 304 /* TDMA update notification */ 305 void (*ic_tdma_update)(struct ieee80211_node *, 306 const struct ieee80211_tdma_param *, int); 307 308 /* Node state management */ 309 310 /* Allocate a new node */ 311 struct ieee80211_node* (*ic_node_alloc)(struct ieee80211vap *, 312 const uint8_t [IEEE80211_ADDR_LEN]); 313 314 /* Driver node initialisation after net80211 setup */ 315 int (*ic_node_init)(struct ieee80211_node *); 316 317 /* Driver node deallocation */ 318 void (*ic_node_free)(struct ieee80211_node *); 319 320 /* Driver node state cleanup before deallocation */ 321 void (*ic_node_cleanup)(struct ieee80211_node *); 322 323 void (*ic_node_age)(struct ieee80211_node *); 324 void (*ic_node_drain)(struct ieee80211_node *); 325 int8_t (*ic_node_getrssi)(const struct ieee80211_node*); 326 void (*ic_node_getsignal)(const struct ieee80211_node*, 327 int8_t *, int8_t *); 328 void (*ic_node_getmimoinfo)( 329 const struct ieee80211_node*, 330 struct ieee80211_mimo_info *); 331 /* scanning support */ 332 void (*ic_scan_start)(struct ieee80211com *); 333 void (*ic_scan_end)(struct ieee80211com *); 334 void (*ic_set_channel)(struct ieee80211com *); 335 void (*ic_scan_curchan)(struct ieee80211_scan_state *, 336 unsigned long); 337 void (*ic_scan_mindwell)(struct ieee80211_scan_state *); 338 339 /* 340 * 802.11n ADDBA support. A simple/generic implementation 341 * of A-MPDU tx aggregation is provided; the driver may 342 * override these methods to provide their own support. 343 * A-MPDU rx re-ordering happens automatically if the 344 * driver passes out-of-order frames to ieee80211_input 345 * from an assocated HT station. 346 */ 347 int (*ic_recv_action)(struct ieee80211_node *, 348 const struct ieee80211_frame *, 349 const uint8_t *frm, const uint8_t *efrm); 350 int (*ic_send_action)(struct ieee80211_node *, 351 int category, int action, void *); 352 /* check if A-MPDU should be enabled this station+ac */ 353 int (*ic_ampdu_enable)(struct ieee80211_node *, 354 struct ieee80211_tx_ampdu *); 355 /* start/stop doing A-MPDU tx aggregation for a station */ 356 int (*ic_addba_request)(struct ieee80211_node *, 357 struct ieee80211_tx_ampdu *, 358 int dialogtoken, int baparamset, 359 int batimeout); 360 int (*ic_addba_response)(struct ieee80211_node *, 361 struct ieee80211_tx_ampdu *, 362 int status, int baparamset, int batimeout); 363 void (*ic_addba_stop)(struct ieee80211_node *, 364 struct ieee80211_tx_ampdu *); 365 void (*ic_addba_response_timeout)(struct ieee80211_node *, 366 struct ieee80211_tx_ampdu *); 367 /* BAR response received */ 368 void (*ic_bar_response)(struct ieee80211_node *, 369 struct ieee80211_tx_ampdu *, int status); 370 /* start/stop doing A-MPDU rx processing for a station */ 371 int (*ic_ampdu_rx_start)(struct ieee80211_node *, 372 struct ieee80211_rx_ampdu *, int baparamset, 373 int batimeout, int baseqctl); 374 void (*ic_ampdu_rx_stop)(struct ieee80211_node *, 375 struct ieee80211_rx_ampdu *); 376 377 /* The channel width has changed (20<->2040) */ 378 void (*ic_update_chw)(struct ieee80211com *); 379 380 const struct debugnet80211_methods *ic_debugnet_meth; 381 uint64_t ic_spare[7]; 382 }; 383 384 struct ieee80211_aclator; 385 struct ieee80211_tdma_state; 386 struct ieee80211_mesh_state; 387 struct ieee80211_hwmp_state; 388 struct ieee80211_rx_histogram; 389 struct ieee80211_tx_histogram; 390 391 struct ieee80211vap { 392 struct ifmedia iv_media; /* interface media config */ 393 struct ifnet *iv_ifp; /* associated device */ 394 struct bpf_if *iv_rawbpf; /* packet filter structure */ 395 struct sysctl_ctx_list *iv_sysctl; /* dynamic sysctl context */ 396 struct sysctl_oid *iv_oid; /* net.wlan.X sysctl oid */ 397 398 TAILQ_ENTRY(ieee80211vap) iv_next; /* list of vap instances */ 399 struct ieee80211com *iv_ic; /* back ptr to common state */ 400 /* MAC address: ifp or ic */ 401 uint8_t iv_myaddr[IEEE80211_ADDR_LEN]; 402 uint32_t iv_debug; /* debug msg flags */ 403 struct ieee80211_stats iv_stats; /* statistics */ 404 405 uint32_t iv_flags; /* state flags */ 406 uint32_t iv_flags_ext; /* extended state flags */ 407 uint32_t iv_flags_ht; /* HT state flags */ 408 uint32_t iv_flags_ven; /* vendor state flags */ 409 uint32_t iv_ifflags; /* ifnet flags */ 410 uint32_t iv_caps; /* capabilities */ 411 uint32_t iv_htcaps; /* HT capabilities */ 412 uint32_t iv_htextcaps; /* HT extended capabilities */ 413 uint32_t iv_com_state; /* com usage / detached flag */ 414 enum ieee80211_opmode iv_opmode; /* operation mode */ 415 enum ieee80211_state iv_state; /* state machine state */ 416 enum ieee80211_state iv_nstate; /* pending state */ 417 int iv_nstate_arg; /* pending state arg */ 418 struct task iv_nstate_task; /* deferred state processing */ 419 struct task iv_swbmiss_task;/* deferred iv_bmiss call */ 420 struct callout iv_mgtsend; /* mgmt frame response timer */ 421 /* inactivity timer settings */ 422 int iv_inact_init; /* setting for new station */ 423 int iv_inact_auth; /* auth but not assoc setting */ 424 int iv_inact_run; /* authorized setting */ 425 int iv_inact_probe; /* inactive probe time */ 426 427 /* VHT flags */ 428 uint32_t iv_flags_vht; /* VHT state flags */ 429 uint32_t iv_vhtcaps; /* VHT capabilities */ 430 uint32_t iv_vhtextcaps; /* VHT extended capabilities (TODO) */ 431 struct ieee80211_vht_mcs_info iv_vht_mcsinfo; 432 uint32_t iv_vht_spare[4]; 433 434 int iv_des_nssid; /* # desired ssids */ 435 struct ieee80211_scan_ssid iv_des_ssid[1];/* desired ssid table */ 436 uint8_t iv_des_bssid[IEEE80211_ADDR_LEN]; 437 struct ieee80211_channel *iv_des_chan; /* desired channel */ 438 uint16_t iv_des_mode; /* desired mode */ 439 int iv_nicknamelen; /* XXX junk */ 440 uint8_t iv_nickname[IEEE80211_NWID_LEN]; 441 u_int iv_bgscanidle; /* bg scan idle threshold */ 442 u_int iv_bgscanintvl; /* bg scan min interval */ 443 u_int iv_scanvalid; /* scan cache valid threshold */ 444 u_int iv_scanreq_duration; 445 u_int iv_scanreq_mindwell; 446 u_int iv_scanreq_maxdwell; 447 uint16_t iv_scanreq_flags;/* held scan request params */ 448 uint8_t iv_scanreq_nssid; 449 struct ieee80211_scan_ssid iv_scanreq_ssid[IEEE80211_SCAN_MAX_SSID]; 450 /* sta-mode roaming state */ 451 enum ieee80211_roamingmode iv_roaming; /* roaming mode */ 452 struct ieee80211_roamparam iv_roamparms[IEEE80211_MODE_MAX]; 453 454 uint8_t iv_bmissthreshold; 455 uint8_t iv_bmiss_count; /* current beacon miss count */ 456 int iv_bmiss_max; /* max bmiss before scan */ 457 uint16_t iv_swbmiss_count;/* beacons in last period */ 458 uint16_t iv_swbmiss_period;/* s/w bmiss period */ 459 struct callout iv_swbmiss; /* s/w beacon miss timer */ 460 461 int iv_ampdu_rxmax; /* A-MPDU rx limit (bytes) */ 462 int iv_ampdu_density;/* A-MPDU density */ 463 int iv_ampdu_limit; /* A-MPDU tx limit (bytes) */ 464 int iv_amsdu_limit; /* A-MSDU tx limit (bytes) */ 465 u_int iv_ampdu_mintraffic[WME_NUM_AC]; 466 467 struct ieee80211_beacon_offsets iv_bcn_off; 468 uint32_t *iv_aid_bitmap; /* association id map */ 469 uint16_t iv_max_aid; 470 uint16_t iv_sta_assoc; /* stations associated */ 471 uint16_t iv_ps_sta; /* stations in power save */ 472 uint16_t iv_ps_pending; /* ps sta's w/ pending frames */ 473 uint16_t iv_txseq; /* mcast xmit seq# space */ 474 uint16_t iv_tim_len; /* ic_tim_bitmap size (bytes) */ 475 uint8_t *iv_tim_bitmap; /* power-save stations w/ data*/ 476 uint8_t iv_dtim_period; /* DTIM period */ 477 uint8_t iv_dtim_count; /* DTIM count from last bcn */ 478 /* set/unset aid pwrsav state */ 479 uint8_t iv_quiet; /* Quiet Element */ 480 uint8_t iv_quiet_count; /* constant count for Quiet Element */ 481 uint8_t iv_quiet_count_value; /* variable count for Quiet Element */ 482 uint8_t iv_quiet_period; /* period for Quiet Element */ 483 uint16_t iv_quiet_duration; /* duration for Quiet Element */ 484 uint16_t iv_quiet_offset; /* offset for Quiet Element */ 485 int iv_csa_count; /* count for doing CSA */ 486 487 struct ieee80211_node *iv_bss; /* information for this node */ 488 struct ieee80211_txparam iv_txparms[IEEE80211_MODE_MAX]; 489 uint16_t iv_rtsthreshold; 490 uint16_t iv_fragthreshold; 491 int iv_inact_timer; /* inactivity timer wait */ 492 /* application-specified IE's to attach to mgt frames */ 493 struct ieee80211_appie *iv_appie_beacon; 494 struct ieee80211_appie *iv_appie_probereq; 495 struct ieee80211_appie *iv_appie_proberesp; 496 struct ieee80211_appie *iv_appie_assocreq; 497 struct ieee80211_appie *iv_appie_assocresp; 498 struct ieee80211_appie *iv_appie_wpa; 499 uint8_t *iv_wpa_ie; 500 uint8_t *iv_rsn_ie; 501 502 /* Key management */ 503 uint16_t iv_max_keyix; /* max h/w key index */ 504 ieee80211_keyix iv_def_txkey; /* default/group tx key index */ 505 struct ieee80211_key iv_nw_keys[IEEE80211_WEP_NKID]; 506 int (*iv_key_alloc)(struct ieee80211vap *, 507 struct ieee80211_key *, 508 ieee80211_keyix *, ieee80211_keyix *); 509 int (*iv_key_delete)(struct ieee80211vap *, 510 const struct ieee80211_key *); 511 int (*iv_key_set)(struct ieee80211vap *, 512 const struct ieee80211_key *); 513 void (*iv_key_update_begin)(struct ieee80211vap *); 514 void (*iv_key_update_end)(struct ieee80211vap *); 515 void (*iv_update_deftxkey)(struct ieee80211vap *, 516 ieee80211_keyix deftxkey); 517 518 const struct ieee80211_authenticator *iv_auth; /* authenticator glue */ 519 void *iv_ec; /* private auth state */ 520 521 const struct ieee80211_aclator *iv_acl; /* acl glue */ 522 void *iv_as; /* private aclator state */ 523 524 const struct ieee80211_ratectl *iv_rate; 525 void *iv_rs; /* private ratectl state */ 526 527 struct ieee80211_tdma_state *iv_tdma; /* tdma state */ 528 struct ieee80211_mesh_state *iv_mesh; /* MBSS state */ 529 struct ieee80211_hwmp_state *iv_hwmp; /* HWMP state */ 530 531 /* operate-mode detach hook */ 532 void (*iv_opdetach)(struct ieee80211vap *); 533 /* receive processing */ 534 int (*iv_input)(struct ieee80211_node *, 535 struct mbuf *, 536 const struct ieee80211_rx_stats *, 537 int, int); 538 void (*iv_recv_mgmt)(struct ieee80211_node *, 539 struct mbuf *, int, 540 const struct ieee80211_rx_stats *, 541 int, int); 542 void (*iv_recv_ctl)(struct ieee80211_node *, 543 struct mbuf *, int); 544 void (*iv_deliver_data)(struct ieee80211vap *, 545 struct ieee80211_node *, struct mbuf *); 546 #if 0 547 /* send processing */ 548 int (*iv_send_mgmt)(struct ieee80211_node *, 549 int, int); 550 #endif 551 /* beacon miss processing */ 552 void (*iv_bmiss)(struct ieee80211vap *); 553 /* reset device state after 802.11 parameter/state change */ 554 int (*iv_reset)(struct ieee80211vap *, u_long); 555 /* [schedule] beacon frame update */ 556 void (*iv_update_beacon)(struct ieee80211vap *, int); 557 /* power save handling */ 558 void (*iv_update_ps)(struct ieee80211vap *, int); 559 int (*iv_set_tim)(struct ieee80211_node *, int); 560 void (*iv_node_ps)(struct ieee80211_node *, int); 561 void (*iv_sta_ps)(struct ieee80211vap *, int); 562 void (*iv_recv_pspoll)(struct ieee80211_node *, 563 struct mbuf *); 564 565 /* state machine processing */ 566 int (*iv_newstate)(struct ieee80211vap *, 567 enum ieee80211_state, int); 568 /* 802.3 output method for raw frame xmit */ 569 int (*iv_output)(struct ifnet *, struct mbuf *, 570 const struct sockaddr *, struct route *); 571 572 int (*iv_wme_update)(struct ieee80211vap *, 573 const struct wmeParams *wme_params); 574 struct task iv_wme_task; /* deferred VAP WME update */ 575 576 /* associated state; protection mode */ 577 enum ieee80211_protmode iv_protmode; /* 802.11g protection mode */ 578 enum ieee80211_protmode iv_htprotmode; /* HT protection mode */ 579 uint8_t iv_curhtprotmode;/* HTINFO bss state */ 580 581 uint16_t iv_nonerpsta; /* # non-ERP stations */ 582 uint16_t iv_longslotsta; /* # long slot time stations */ 583 uint16_t iv_ht_sta_assoc;/* HT stations associated */ 584 uint16_t iv_ht40_sta_assoc;/* HT40 stations associated */ 585 int iv_lastnonerp; /* last time non-ERP sta noted*/ 586 int iv_lastnonht; /* last time non-HT sta noted */ 587 588 /* update device state for 802.11 slot time change */ 589 void (*iv_updateslot)(struct ieee80211vap *); 590 struct task iv_slot_task; /* deferred slot time update */ 591 592 struct task iv_erp_protmode_task; /* deferred ERP protmode update */ 593 void (*iv_erp_protmode_update)(struct ieee80211vap *); 594 595 struct task iv_preamble_task; /* deferred short/barker preamble update */ 596 void (*iv_preamble_update)(struct ieee80211vap *); 597 598 struct task iv_ht_protmode_task; /* deferred HT protmode update */ 599 void (*iv_ht_protmode_update)(struct ieee80211vap *); 600 601 /* per-vap U-APSD state */ 602 uint8_t iv_uapsdinfo; /* sta mode QoS Info flags */ 603 604 /* Optional transmit/receive histogram statistics */ 605 struct ieee80211_rx_histogram *rx_histogram; 606 struct ieee80211_tx_histogram *tx_histogram; 607 608 struct ieee80211_node * (*iv_update_bss)(struct ieee80211vap *, 609 struct ieee80211_node *); 610 611 #ifdef __ILP32__ 612 uint32_t iv_spare0; 613 #endif 614 uint64_t iv_spare[5]; 615 }; 616 MALLOC_DECLARE(M_80211_VAP); 617 618 #define IEEE80211_ADDR_EQ(a1,a2) (memcmp(a1,a2,IEEE80211_ADDR_LEN) == 0) 619 #define IEEE80211_ADDR_COPY(dst,src) memcpy(dst,src,IEEE80211_ADDR_LEN) 620 621 /* ic_flags/iv_flags */ 622 #define IEEE80211_F_TURBOP 0x00000001 /* CONF: ATH Turbo enabled*/ 623 #define IEEE80211_F_COMP 0x00000002 /* CONF: ATH comp enabled */ 624 #define IEEE80211_F_FF 0x00000004 /* CONF: ATH FF enabled */ 625 #define IEEE80211_F_BURST 0x00000008 /* CONF: bursting enabled */ 626 /* NB: this is intentionally setup to be IEEE80211_CAPINFO_PRIVACY */ 627 #define IEEE80211_F_PRIVACY 0x00000010 /* CONF: privacy enabled */ 628 #define IEEE80211_F_PUREG 0x00000020 /* CONF: 11g w/o 11b sta's */ 629 #define IEEE80211_F_SCAN 0x00000080 /* STATUS: scanning */ 630 /* 0x00000300 reserved */ 631 /* NB: this is intentionally setup to be IEEE80211_CAPINFO_SHORT_SLOTTIME */ 632 #define IEEE80211_F_SHSLOT 0x00000400 /* STATUS: use short slot time*/ 633 #define IEEE80211_F_PMGTON 0x00000800 /* CONF: Power mgmt enable */ 634 #define IEEE80211_F_DESBSSID 0x00001000 /* CONF: des_bssid is set */ 635 #define IEEE80211_F_WME 0x00002000 /* CONF: enable WME use */ 636 #define IEEE80211_F_BGSCAN 0x00004000 /* CONF: bg scan enabled (???)*/ 637 #define IEEE80211_F_SWRETRY 0x00008000 /* CONF: sw tx retry enabled */ 638 /* 0x00030000 reserved */ 639 #define IEEE80211_F_SHPREAMBLE 0x00040000 /* STATUS: use short preamble */ 640 #define IEEE80211_F_DATAPAD 0x00080000 /* CONF: do alignment pad */ 641 #define IEEE80211_F_USEPROT 0x00100000 /* STATUS: protection enabled */ 642 #define IEEE80211_F_USEBARKER 0x00200000 /* STATUS: use barker preamble*/ 643 #define IEEE80211_F_CSAPENDING 0x00400000 /* STATUS: chan switch pending*/ 644 #define IEEE80211_F_WPA1 0x00800000 /* CONF: WPA enabled */ 645 #define IEEE80211_F_WPA2 0x01000000 /* CONF: WPA2 enabled */ 646 #define IEEE80211_F_WPA 0x01800000 /* CONF: WPA/WPA2 enabled */ 647 #define IEEE80211_F_DROPUNENC 0x02000000 /* CONF: drop unencrypted */ 648 #define IEEE80211_F_COUNTERM 0x04000000 /* CONF: TKIP countermeasures */ 649 #define IEEE80211_F_HIDESSID 0x08000000 /* CONF: hide SSID in beacon */ 650 #define IEEE80211_F_NOBRIDGE 0x10000000 /* CONF: dis. internal bridge */ 651 #define IEEE80211_F_PCF 0x20000000 /* CONF: PCF enabled */ 652 #define IEEE80211_F_DOTH 0x40000000 /* CONF: 11h enabled */ 653 #define IEEE80211_F_DWDS 0x80000000 /* CONF: Dynamic WDS enabled */ 654 655 #define IEEE80211_F_BITS \ 656 "\2\1TURBOP\2COMP\3FF\4BURST\5PRIVACY\6PUREG\10SCAN" \ 657 "\13SHSLOT\14PMGTON\15DESBSSID\16WME\17BGSCAN\20SWRETRY" \ 658 "\23SHPREAMBLE\24DATAPAD\25USEPROT\26USERBARKER\27CSAPENDING" \ 659 "\30WPA1\31WPA2\32DROPUNENC\33COUNTERM\34HIDESSID\35NOBRIDG\36PCF" \ 660 "\37DOTH\40DWDS" 661 662 /* Atheros protocol-specific flags */ 663 #define IEEE80211_F_ATHEROS \ 664 (IEEE80211_F_FF | IEEE80211_F_COMP | IEEE80211_F_TURBOP) 665 /* Check if an Atheros capability was negotiated for use */ 666 #define IEEE80211_ATH_CAP(vap, ni, bit) \ 667 ((vap)->iv_flags & (ni)->ni_ath_flags & (bit)) 668 669 /* ic_flags_ext/iv_flags_ext */ 670 #define IEEE80211_FEXT_INACT 0x00000002 /* CONF: sta inact handling */ 671 #define IEEE80211_FEXT_SCANWAIT 0x00000004 /* STATUS: awaiting scan */ 672 /* 0x00000006 reserved */ 673 #define IEEE80211_FEXT_BGSCAN 0x00000008 /* STATUS: complete bgscan */ 674 #define IEEE80211_FEXT_WPS 0x00000010 /* CONF: WPS enabled */ 675 #define IEEE80211_FEXT_TSN 0x00000020 /* CONF: TSN enabled */ 676 #define IEEE80211_FEXT_SCANREQ 0x00000040 /* STATUS: scan req params */ 677 #define IEEE80211_FEXT_RESUME 0x00000080 /* STATUS: start on resume */ 678 #define IEEE80211_FEXT_4ADDR 0x00000100 /* CONF: apply 4-addr encap */ 679 #define IEEE80211_FEXT_NONERP_PR 0x00000200 /* STATUS: non-ERP sta present*/ 680 #define IEEE80211_FEXT_SWBMISS 0x00000400 /* CONF: do bmiss in s/w */ 681 #define IEEE80211_FEXT_DFS 0x00000800 /* CONF: DFS enabled */ 682 #define IEEE80211_FEXT_DOTD 0x00001000 /* CONF: 11d enabled */ 683 #define IEEE80211_FEXT_STATEWAIT 0x00002000 /* STATUS: awaiting state chg */ 684 #define IEEE80211_FEXT_REINIT 0x00004000 /* STATUS: INIT state first */ 685 #define IEEE80211_FEXT_BPF 0x00008000 /* STATUS: BPF tap present */ 686 /* NB: immutable: should be set only when creating a vap */ 687 #define IEEE80211_FEXT_WDSLEGACY 0x00010000 /* CONF: legacy WDS operation */ 688 #define IEEE80211_FEXT_PROBECHAN 0x00020000 /* CONF: probe passive channel*/ 689 #define IEEE80211_FEXT_UNIQMAC 0x00040000 /* CONF: user or computed mac */ 690 #define IEEE80211_FEXT_SCAN_OFFLOAD 0x00080000 /* CONF: scan is fully offloaded */ 691 #define IEEE80211_FEXT_SEQNO_OFFLOAD 0x00100000 /* CONF: driver does seqno insertion/allocation */ 692 #define IEEE80211_FEXT_FRAG_OFFLOAD 0x00200000 /* CONF: hardware does 802.11 fragmentation + assignment */ 693 #define IEEE80211_FEXT_VHT 0x00400000 /* CONF: VHT support */ 694 #define IEEE80211_FEXT_QUIET_IE 0x00800000 /* STATUS: quiet IE in a beacon has been added */ 695 #define IEEE80211_FEXT_UAPSD 0x01000000 /* CONF: enable U-APSD */ 696 697 #define IEEE80211_FEXT_BITS \ 698 "\2\2INACT\3SCANWAIT\4BGSCAN\5WPS\6TSN\7SCANREQ\10RESUME" \ 699 "\0114ADDR\12NONEPR_PR\13SWBMISS\14DFS\15DOTD\16STATEWAIT\17REINIT" \ 700 "\20BPF\21WDSLEGACY\22PROBECHAN\23UNIQMAC\24SCAN_OFFLOAD\25SEQNO_OFFLOAD" \ 701 "\26FRAG_OFFLOAD\27VHT" \ 702 "\30QUIET_IE\31UAPSD" 703 704 /* ic_flags_ht/iv_flags_ht */ 705 #define IEEE80211_FHT_NONHT_PR 0x00000001 /* STATUS: non-HT sta present */ 706 #define IEEE80211_FHT_LDPC_TX 0x00010000 /* CONF: LDPC tx enabled */ 707 #define IEEE80211_FHT_LDPC_RX 0x00020000 /* CONF: LDPC rx enabled */ 708 #define IEEE80211_FHT_GF 0x00040000 /* CONF: Greenfield enabled */ 709 #define IEEE80211_FHT_HT 0x00080000 /* CONF: HT supported */ 710 #define IEEE80211_FHT_AMPDU_TX 0x00100000 /* CONF: A-MPDU tx supported */ 711 #define IEEE80211_FHT_AMPDU_RX 0x00200000 /* CONF: A-MPDU rx supported */ 712 #define IEEE80211_FHT_AMSDU_TX 0x00400000 /* CONF: A-MSDU tx supported */ 713 #define IEEE80211_FHT_AMSDU_RX 0x00800000 /* CONF: A-MSDU rx supported */ 714 #define IEEE80211_FHT_USEHT40 0x01000000 /* CONF: 20/40 use enabled */ 715 #define IEEE80211_FHT_PUREN 0x02000000 /* CONF: 11n w/o legacy sta's */ 716 #define IEEE80211_FHT_SHORTGI20 0x04000000 /* CONF: short GI in HT20 */ 717 #define IEEE80211_FHT_SHORTGI40 0x08000000 /* CONF: short GI in HT40 */ 718 #define IEEE80211_FHT_HTCOMPAT 0x10000000 /* CONF: HT vendor OUI's */ 719 #define IEEE80211_FHT_RIFS 0x20000000 /* CONF: RIFS enabled */ 720 #define IEEE80211_FHT_STBC_TX 0x40000000 /* CONF: STBC tx enabled */ 721 #define IEEE80211_FHT_STBC_RX 0x80000000 /* CONF: STBC rx enabled */ 722 723 #define IEEE80211_FHT_BITS \ 724 "\2\1NONHT_PR" \ 725 "\23GF\24HT\25AMPDU_TX\26AMPDU_TX" \ 726 "\27AMSDU_TX\30AMSDU_RX\31USEHT40\32PUREN\33SHORTGI20\34SHORTGI40" \ 727 "\35HTCOMPAT\36RIFS\37STBC_TX\40STBC_RX" 728 729 #define IEEE80211_FVEN_BITS "\2" 730 731 #define IEEE80211_FVHT_VHT 0x000000001 /* CONF: VHT supported */ 732 #define IEEE80211_FVHT_USEVHT40 0x000000002 /* CONF: Use VHT40 */ 733 #define IEEE80211_FVHT_USEVHT80 0x000000004 /* CONF: Use VHT80 */ 734 #define IEEE80211_FVHT_USEVHT160 0x000000008 /* CONF: Use VHT160 */ 735 #define IEEE80211_FVHT_USEVHT80P80 0x000000010 /* CONF: Use VHT 80+80 */ 736 #define IEEE80211_FVHT_MASK \ 737 (IEEE80211_FVHT_VHT | IEEE80211_FVHT_USEVHT40 | \ 738 IEEE80211_FVHT_USEVHT80 | IEEE80211_FVHT_USEVHT160 | \ 739 IEEE80211_FVHT_USEVHT80P80) 740 #define IEEE80211_VFHT_BITS \ 741 "\2\1VHT\2VHT40\3VHT80\4VHT160\5VHT80P80" 742 743 #define IEEE80211_COM_DETACHED 0x00000001 /* ieee80211_ifdetach called */ 744 #define IEEE80211_COM_REF_ADD 0x00000002 /* add / remove reference */ 745 #define IEEE80211_COM_REF 0xfffffffe /* reference counter bits */ 746 #define IEEE80211_COM_REF_S 1 747 #define IEEE80211_COM_REF_MAX (IEEE80211_COM_REF >> IEEE80211_COM_REF_S) 748 749 int ic_printf(struct ieee80211com *, const char *, ...) __printflike(2, 3); 750 void ieee80211_ifattach(struct ieee80211com *); 751 void ieee80211_ifdetach(struct ieee80211com *); 752 int ieee80211_vap_setup(struct ieee80211com *, struct ieee80211vap *, 753 const char name[IFNAMSIZ], int unit, 754 enum ieee80211_opmode opmode, int flags, 755 const uint8_t bssid[IEEE80211_ADDR_LEN]); 756 int ieee80211_vap_attach(struct ieee80211vap *, 757 ifm_change_cb_t, ifm_stat_cb_t, 758 const uint8_t macaddr[IEEE80211_ADDR_LEN]); 759 void ieee80211_vap_detach(struct ieee80211vap *); 760 const struct ieee80211_rateset *ieee80211_get_suprates(struct ieee80211com *ic, 761 const struct ieee80211_channel *); 762 const struct ieee80211_htrateset *ieee80211_get_suphtrates( 763 struct ieee80211com *, const struct ieee80211_channel *); 764 void ieee80211_announce(struct ieee80211com *); 765 void ieee80211_announce_channels(struct ieee80211com *); 766 void ieee80211_drain(struct ieee80211com *); 767 void ieee80211_chan_init(struct ieee80211com *); 768 struct ieee80211com *ieee80211_find_vap(const uint8_t mac[IEEE80211_ADDR_LEN]); 769 struct ieee80211com *ieee80211_find_com(const char *name); 770 typedef void ieee80211_com_iter_func(void *, struct ieee80211com *); 771 void ieee80211_iterate_coms(ieee80211_com_iter_func *, void *); 772 int ieee80211_media_change(struct ifnet *); 773 void ieee80211_media_status(struct ifnet *, struct ifmediareq *); 774 int ieee80211_ioctl(struct ifnet *, u_long, caddr_t); 775 int ieee80211_rate2media(struct ieee80211com *, int, 776 enum ieee80211_phymode); 777 int ieee80211_media2rate(int); 778 int ieee80211_mhz2ieee(u_int, u_int); 779 int ieee80211_chan2ieee(struct ieee80211com *, 780 const struct ieee80211_channel *); 781 u_int ieee80211_ieee2mhz(u_int, u_int); 782 int ieee80211_add_channel_cbw(struct ieee80211_channel[], int, int *, 783 uint8_t, uint16_t, int8_t, uint32_t, const uint8_t[], int); 784 int ieee80211_add_channel(struct ieee80211_channel[], int, int *, 785 uint8_t, uint16_t, int8_t, uint32_t, const uint8_t[]); 786 int ieee80211_add_channel_ht40(struct ieee80211_channel[], int, int *, 787 uint8_t, int8_t, uint32_t); 788 uint32_t ieee80211_get_channel_center_freq(const struct ieee80211_channel *); 789 uint32_t ieee80211_get_channel_center_freq1(const struct ieee80211_channel *); 790 uint32_t ieee80211_get_channel_center_freq2(const struct ieee80211_channel *); 791 #define NET80211_CBW_FLAG_HT40 0x01 792 #define NET80211_CBW_FLAG_VHT80 0x02 793 #define NET80211_CBW_FLAG_VHT160 0x04 794 #define NET80211_CBW_FLAG_VHT80P80 0x08 795 int ieee80211_add_channel_list_2ghz(struct ieee80211_channel[], int, int *, 796 const uint8_t[], int, const uint8_t[], int); 797 int ieee80211_add_channels_default_2ghz(struct ieee80211_channel[], int, 798 int *, const uint8_t[], int); 799 int ieee80211_add_channel_list_5ghz(struct ieee80211_channel[], int, int *, 800 const uint8_t[], int, const uint8_t[], int); 801 struct ieee80211_channel *ieee80211_find_channel(struct ieee80211com *, 802 int freq, int flags); 803 struct ieee80211_channel *ieee80211_find_channel_byieee(struct ieee80211com *, 804 int ieee, int flags); 805 struct ieee80211_channel *ieee80211_lookup_channel_rxstatus(struct ieee80211vap *, 806 const struct ieee80211_rx_stats *); 807 int ieee80211_setmode(struct ieee80211com *, enum ieee80211_phymode); 808 enum ieee80211_phymode ieee80211_chan2mode(const struct ieee80211_channel *); 809 uint32_t ieee80211_mac_hash(const struct ieee80211com *, 810 const uint8_t addr[IEEE80211_ADDR_LEN]); 811 char ieee80211_channel_type_char(const struct ieee80211_channel *c); 812 813 #define ieee80211_get_current_channel(_ic) ((_ic)->ic_curchan) 814 #define ieee80211_get_home_channel(_ic) ((_ic)->ic_bsschan) 815 #define ieee80211_get_vap_desired_channel(_iv) ((_iv)->iv_des_chan) 816 817 void ieee80211_radiotap_attach(struct ieee80211com *, 818 struct ieee80211_radiotap_header *th, int tlen, 819 uint32_t tx_radiotap, 820 struct ieee80211_radiotap_header *rh, int rlen, 821 uint32_t rx_radiotap); 822 void ieee80211_radiotap_attachv(struct ieee80211com *, 823 struct ieee80211_radiotap_header *th, 824 int tlen, int n_tx_v, uint32_t tx_radiotap, 825 struct ieee80211_radiotap_header *rh, 826 int rlen, int n_rx_v, uint32_t rx_radiotap); 827 void ieee80211_radiotap_detach(struct ieee80211com *); 828 void ieee80211_radiotap_vattach(struct ieee80211vap *); 829 void ieee80211_radiotap_vdetach(struct ieee80211vap *); 830 void ieee80211_radiotap_chan_change(struct ieee80211com *); 831 void ieee80211_radiotap_tx(struct ieee80211vap *, struct mbuf *); 832 void ieee80211_radiotap_rx(struct ieee80211vap *, struct mbuf *); 833 void ieee80211_radiotap_rx_all(struct ieee80211com *, struct mbuf *); 834 835 static __inline int 836 ieee80211_radiotap_active(const struct ieee80211com *ic) 837 { 838 return (ic->ic_flags_ext & IEEE80211_FEXT_BPF) != 0; 839 } 840 841 static __inline int 842 ieee80211_radiotap_active_vap(const struct ieee80211vap *vap) 843 { 844 return (vap->iv_flags_ext & IEEE80211_FEXT_BPF) || 845 vap->iv_ic->ic_montaps != 0; 846 } 847 848 /* 849 * Enqueue a task on the state thread. 850 */ 851 static __inline void 852 ieee80211_runtask(struct ieee80211com *ic, struct task *task) 853 { 854 taskqueue_enqueue(ic->ic_tq, task); 855 } 856 857 /* 858 * Wait for a queued task to complete. 859 */ 860 static __inline void 861 ieee80211_draintask(struct ieee80211com *ic, struct task *task) 862 { 863 taskqueue_drain(ic->ic_tq, task); 864 } 865 866 /* 867 * Key update synchronization methods. XXX should not be visible. 868 */ 869 static __inline void 870 ieee80211_key_update_begin(struct ieee80211vap *vap) 871 { 872 vap->iv_key_update_begin(vap); 873 } 874 static __inline void 875 ieee80211_key_update_end(struct ieee80211vap *vap) 876 { 877 vap->iv_key_update_end(vap); 878 } 879 880 /* 881 * XXX these need to be here for IEEE80211_F_DATAPAD 882 */ 883 884 /* 885 * Return the space occupied by the 802.11 header and any 886 * padding required by the driver. This works for a 887 * management or data frame. 888 */ 889 static __inline int 890 ieee80211_hdrspace(struct ieee80211com *ic, const void *data) 891 { 892 int size = ieee80211_hdrsize(data); 893 if (ic->ic_flags & IEEE80211_F_DATAPAD) 894 size = roundup(size, sizeof(uint32_t)); 895 return size; 896 } 897 898 /* 899 * Like ieee80211_hdrspace, but handles any type of frame. 900 */ 901 static __inline int 902 ieee80211_anyhdrspace(struct ieee80211com *ic, const void *data) 903 { 904 int size = ieee80211_anyhdrsize(data); 905 if (ic->ic_flags & IEEE80211_F_DATAPAD) 906 size = roundup(size, sizeof(uint32_t)); 907 return size; 908 } 909 910 /* 911 * Notify a vap that beacon state has been updated. 912 */ 913 static __inline void 914 ieee80211_beacon_notify(struct ieee80211vap *vap, int what) 915 { 916 if (vap->iv_state == IEEE80211_S_RUN) 917 vap->iv_update_beacon(vap, what); 918 } 919 920 /* 921 * Calculate HT channel promotion flags for a channel. 922 * XXX belongs in ieee80211_ht.h but needs IEEE80211_FHT_* 923 */ 924 static __inline int 925 ieee80211_htchanflags(const struct ieee80211_channel *c) 926 { 927 return IEEE80211_IS_CHAN_HT40(c) ? 928 IEEE80211_FHT_HT | IEEE80211_FHT_USEHT40 : 929 IEEE80211_IS_CHAN_HT(c) ? IEEE80211_FHT_HT : 0; 930 } 931 932 /* 933 * Calculate VHT channel promotion flags for a channel. 934 * XXX belongs in ieee80211_vht.h but needs IEEE80211_FVHT_* 935 */ 936 static __inline int 937 ieee80211_vhtchanflags(const struct ieee80211_channel *c) 938 { 939 940 if (IEEE80211_IS_CHAN_VHT160(c)) 941 return IEEE80211_FVHT_USEVHT160; 942 if (IEEE80211_IS_CHAN_VHT80P80(c)) 943 return IEEE80211_FVHT_USEVHT80P80; 944 if (IEEE80211_IS_CHAN_VHT80(c)) 945 return IEEE80211_FVHT_USEVHT80; 946 if (IEEE80211_IS_CHAN_VHT40(c)) 947 return IEEE80211_FVHT_USEVHT40; 948 if (IEEE80211_IS_CHAN_VHT(c)) 949 return IEEE80211_FVHT_VHT; 950 return (0); 951 } 952 953 /* 954 * Fetch the current TX power (cap) for the given node. 955 * 956 * This includes the node and ic/vap TX power limit as needed, 957 * but it doesn't take into account any per-rate limit. 958 */ 959 static __inline uint16_t 960 ieee80211_get_node_txpower(struct ieee80211_node *ni) 961 { 962 struct ieee80211com *ic = ni->ni_ic; 963 uint16_t txpower; 964 965 txpower = ni->ni_txpower; 966 txpower = MIN(txpower, ic->ic_txpowlimit); 967 if (ic->ic_curchan != NULL) { 968 txpower = MIN(txpower, 2 * ic->ic_curchan->ic_maxregpower); 969 txpower = MIN(txpower, ic->ic_curchan->ic_maxpower); 970 } 971 972 return (txpower); 973 } 974 975 /* 976 * Debugging facilities compiled in when IEEE80211_DEBUG is defined. 977 * 978 * The intent is that any problem in the net80211 layer can be 979 * diagnosed by inspecting the statistics (dumped by the wlanstats 980 * program) and/or the msgs generated by net80211. Messages are 981 * broken into functional classes and can be controlled with the 982 * wlandebug program. Certain of these msg groups are for facilities 983 * that are no longer part of net80211 (e.g. IEEE80211_MSG_DOT1XSM). 984 */ 985 #define IEEE80211_MSG_11N 0x80000000 /* 11n mode debug */ 986 #define IEEE80211_MSG_DEBUG 0x40000000 /* IFF_DEBUG equivalent */ 987 #define IEEE80211_MSG_DUMPPKTS 0x20000000 /* IFF_LINK2 equivalant */ 988 #define IEEE80211_MSG_CRYPTO 0x10000000 /* crypto work */ 989 #define IEEE80211_MSG_INPUT 0x08000000 /* input handling */ 990 #define IEEE80211_MSG_XRATE 0x04000000 /* rate set handling */ 991 #define IEEE80211_MSG_ELEMID 0x02000000 /* element id parsing */ 992 #define IEEE80211_MSG_NODE 0x01000000 /* node handling */ 993 #define IEEE80211_MSG_ASSOC 0x00800000 /* association handling */ 994 #define IEEE80211_MSG_AUTH 0x00400000 /* authentication handling */ 995 #define IEEE80211_MSG_SCAN 0x00200000 /* scanning */ 996 #define IEEE80211_MSG_OUTPUT 0x00100000 /* output handling */ 997 #define IEEE80211_MSG_STATE 0x00080000 /* state machine */ 998 #define IEEE80211_MSG_POWER 0x00040000 /* power save handling */ 999 #define IEEE80211_MSG_HWMP 0x00020000 /* hybrid mesh protocol */ 1000 #define IEEE80211_MSG_DOT1XSM 0x00010000 /* 802.1x state machine */ 1001 #define IEEE80211_MSG_RADIUS 0x00008000 /* 802.1x radius client */ 1002 #define IEEE80211_MSG_RADDUMP 0x00004000 /* dump 802.1x radius packets */ 1003 #define IEEE80211_MSG_MESH 0x00002000 /* mesh networking */ 1004 #define IEEE80211_MSG_WPA 0x00001000 /* WPA/RSN protocol */ 1005 #define IEEE80211_MSG_ACL 0x00000800 /* ACL handling */ 1006 #define IEEE80211_MSG_WME 0x00000400 /* WME protocol */ 1007 #define IEEE80211_MSG_SUPERG 0x00000200 /* Atheros SuperG protocol */ 1008 #define IEEE80211_MSG_DOTH 0x00000100 /* 802.11h support */ 1009 #define IEEE80211_MSG_INACT 0x00000080 /* inactivity handling */ 1010 #define IEEE80211_MSG_ROAM 0x00000040 /* sta-mode roaming */ 1011 #define IEEE80211_MSG_RATECTL 0x00000020 /* tx rate control */ 1012 #define IEEE80211_MSG_ACTION 0x00000010 /* action frame handling */ 1013 #define IEEE80211_MSG_WDS 0x00000008 /* WDS handling */ 1014 #define IEEE80211_MSG_IOCTL 0x00000004 /* ioctl handling */ 1015 #define IEEE80211_MSG_TDMA 0x00000002 /* TDMA handling */ 1016 1017 #define IEEE80211_MSG_ANY 0xffffffff /* anything */ 1018 1019 #define IEEE80211_MSG_BITS \ 1020 "\2\2TDMA\3IOCTL\4WDS\5ACTION\6RATECTL\7ROAM\10INACT\11DOTH\12SUPERG" \ 1021 "\13WME\14ACL\15WPA\16RADKEYS\17RADDUMP\20RADIUS\21DOT1XSM\22HWMP" \ 1022 "\23POWER\24STATE\25OUTPUT\26SCAN\27AUTH\30ASSOC\31NODE\32ELEMID" \ 1023 "\33XRATE\34INPUT\35CRYPTO\36DUPMPKTS\37DEBUG\04011N" 1024 1025 /* Helper macros unified. */ 1026 #define _IEEE80211_MASKSHIFT(_v, _f) (((_v) & _f) >> _f##_S) 1027 #define _IEEE80211_SHIFTMASK(_v, _f) (((_v) << _f##_S) & _f) 1028 1029 #ifdef IEEE80211_DEBUG 1030 #define ieee80211_msg(_vap, _m) ((_vap)->iv_debug & (_m)) 1031 #define IEEE80211_DPRINTF(_vap, _m, _fmt, ...) do { \ 1032 if (ieee80211_msg(_vap, _m)) \ 1033 ieee80211_note(_vap, _fmt, __VA_ARGS__); \ 1034 } while (0) 1035 #define IEEE80211_NOTE(_vap, _m, _ni, _fmt, ...) do { \ 1036 if (ieee80211_msg(_vap, _m)) \ 1037 ieee80211_note_mac(_vap, (_ni)->ni_macaddr, _fmt, __VA_ARGS__);\ 1038 } while (0) 1039 #define IEEE80211_NOTE_MAC(_vap, _m, _mac, _fmt, ...) do { \ 1040 if (ieee80211_msg(_vap, _m)) \ 1041 ieee80211_note_mac(_vap, _mac, _fmt, __VA_ARGS__); \ 1042 } while (0) 1043 #define IEEE80211_NOTE_FRAME(_vap, _m, _wh, _fmt, ...) do { \ 1044 if (ieee80211_msg(_vap, _m)) \ 1045 ieee80211_note_frame(_vap, _wh, _fmt, __VA_ARGS__); \ 1046 } while (0) 1047 void ieee80211_note(const struct ieee80211vap *, const char *, ...); 1048 void ieee80211_note_mac(const struct ieee80211vap *, 1049 const uint8_t mac[IEEE80211_ADDR_LEN], const char *, ...); 1050 void ieee80211_note_frame(const struct ieee80211vap *, 1051 const struct ieee80211_frame *, const char *, ...); 1052 #define ieee80211_msg_debug(_vap) \ 1053 ((_vap)->iv_debug & IEEE80211_MSG_DEBUG) 1054 #define ieee80211_msg_dumppkts(_vap) \ 1055 ((_vap)->iv_debug & IEEE80211_MSG_DUMPPKTS) 1056 #define ieee80211_msg_input(_vap) \ 1057 ((_vap)->iv_debug & IEEE80211_MSG_INPUT) 1058 #define ieee80211_msg_radius(_vap) \ 1059 ((_vap)->iv_debug & IEEE80211_MSG_RADIUS) 1060 #define ieee80211_msg_dumpradius(_vap) \ 1061 ((_vap)->iv_debug & IEEE80211_MSG_RADDUMP) 1062 #define ieee80211_msg_dumpradkeys(_vap) \ 1063 ((_vap)->iv_debug & IEEE80211_MSG_RADKEYS) 1064 #define ieee80211_msg_scan(_vap) \ 1065 ((_vap)->iv_debug & IEEE80211_MSG_SCAN) 1066 #define ieee80211_msg_assoc(_vap) \ 1067 ((_vap)->iv_debug & IEEE80211_MSG_ASSOC) 1068 1069 /* 1070 * Emit a debug message about discarding a frame or information 1071 * element. One format is for extracting the mac address from 1072 * the frame header; the other is for when a header is not 1073 * available or otherwise appropriate. 1074 */ 1075 #define IEEE80211_DISCARD(_vap, _m, _wh, _type, _fmt, ...) do { \ 1076 if ((_vap)->iv_debug & (_m)) \ 1077 ieee80211_discard_frame(_vap, _wh, _type, \ 1078 "%s:%d: " _fmt, __func__, __LINE__, __VA_ARGS__); \ 1079 } while (0) 1080 #define IEEE80211_DISCARD_IE(_vap, _m, _wh, _type, _fmt, ...) do { \ 1081 if ((_vap)->iv_debug & (_m)) \ 1082 ieee80211_discard_ie(_vap, _wh, _type, \ 1083 "%s:%d: " _fmt, __func__, __LINE__, __VA_ARGS__); \ 1084 } while (0) 1085 #define IEEE80211_DISCARD_MAC(_vap, _m, _mac, _type, _fmt, ...) do { \ 1086 if ((_vap)->iv_debug & (_m)) \ 1087 ieee80211_discard_mac(_vap, _mac, _type, \ 1088 "%s:%d: " _fmt, __func__, __LINE__, __VA_ARGS__); \ 1089 } while (0) 1090 1091 void ieee80211_discard_frame(const struct ieee80211vap *, 1092 const struct ieee80211_frame *, const char *type, const char *fmt, ...); 1093 void ieee80211_discard_ie(const struct ieee80211vap *, 1094 const struct ieee80211_frame *, const char *type, const char *fmt, ...); 1095 void ieee80211_discard_mac(const struct ieee80211vap *, 1096 const uint8_t mac[IEEE80211_ADDR_LEN], const char *type, 1097 const char *fmt, ...); 1098 #else 1099 #define IEEE80211_DPRINTF(_vap, _m, _fmt, ...) 1100 #define IEEE80211_NOTE(_vap, _m, _ni, _fmt, ...) 1101 #define IEEE80211_NOTE_FRAME(_vap, _m, _wh, _fmt, ...) 1102 #define IEEE80211_NOTE_MAC(_vap, _m, _mac, _fmt, ...) 1103 #define ieee80211_msg_dumppkts(_vap) 0 1104 #define ieee80211_msg(_vap, _m) 0 1105 1106 #define IEEE80211_DISCARD(_vap, _m, _wh, _type, _fmt, ...) 1107 #define IEEE80211_DISCARD_IE(_vap, _m, _wh, _type, _fmt, ...) 1108 #define IEEE80211_DISCARD_MAC(_vap, _m, _mac, _type, _fmt, ...) 1109 #endif 1110 1111 #endif /* _NET80211_IEEE80211_VAR_H_ */
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