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: releng/12.0/sys/net80211/ieee80211_var.h 326272 2017-11-27 15:23:17Z pfg $ 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 #elif defined(__HAIKU__) 44 #include <net80211/ieee80211_haiku.h> 45 #else 46 #error "No support for your operating system!" 47 #endif 48 49 #include <net80211/_ieee80211.h> 50 #include <net80211/ieee80211.h> 51 #include <net80211/ieee80211_ageq.h> 52 #include <net80211/ieee80211_crypto.h> 53 #include <net80211/ieee80211_dfs.h> 54 #include <net80211/ieee80211_ioctl.h> /* for ieee80211_stats */ 55 #include <net80211/ieee80211_phy.h> 56 #include <net80211/ieee80211_power.h> 57 #include <net80211/ieee80211_node.h> 58 #include <net80211/ieee80211_proto.h> 59 #include <net80211/ieee80211_radiotap.h> 60 #include <net80211/ieee80211_scan.h> 61 62 #define IEEE80211_TXPOWER_MAX 100 /* .5 dBm (XXX units?) */ 63 #define IEEE80211_TXPOWER_MIN 0 /* kill radio */ 64 65 #define IEEE80211_DTIM_DEFAULT 1 /* default DTIM period */ 66 #define IEEE80211_BINTVAL_DEFAULT 100 /* default beacon interval (TU's) */ 67 68 #define IEEE80211_BMISS_MAX 2 /* maximum consecutive bmiss allowed */ 69 #define IEEE80211_HWBMISS_DEFAULT 7 /* h/w bmiss threshold (beacons) */ 70 71 #define IEEE80211_BGSCAN_INTVAL_MIN 15 /* min bg scan intvl (secs) */ 72 #define IEEE80211_BGSCAN_INTVAL_DEFAULT (5*60) /* default bg scan intvl */ 73 74 #define IEEE80211_BGSCAN_IDLE_MIN 100 /* min idle time (ms) */ 75 #define IEEE80211_BGSCAN_IDLE_DEFAULT 250 /* default idle time (ms) */ 76 77 #define IEEE80211_SCAN_VALID_MIN 10 /* min scan valid time (secs) */ 78 #define IEEE80211_SCAN_VALID_DEFAULT 60 /* default scan valid time */ 79 80 #define IEEE80211_PS_SLEEP 0x1 /* STA is in power saving mode */ 81 #define IEEE80211_PS_MAX_QUEUE 50 /* maximum saved packets */ 82 83 #define IEEE80211_FIXED_RATE_NONE 0xff 84 #define IEEE80211_TXMAX_DEFAULT 6 /* default ucast max retries */ 85 86 #define IEEE80211_RTS_DEFAULT IEEE80211_RTS_MAX 87 #define IEEE80211_FRAG_DEFAULT IEEE80211_FRAG_MAX 88 89 #define IEEE80211_MS_TO_TU(x) (((x) * 1000) / 1024) 90 #define IEEE80211_TU_TO_MS(x) (((x) * 1024) / 1000) 91 /* XXX TODO: cap this at 1, in case hz is not 1000 */ 92 #define IEEE80211_TU_TO_TICKS(x)(((uint64_t)(x) * 1024 * hz) / (1000 * 1000)) 93 94 /* 95 * Technically, vhtflags may be 0 /and/ 11ac is enabled. 96 * At some point ic should just grow a flag somewhere that 97 * says that VHT is supported - and then this macro can be 98 * changed. 99 */ 100 #define IEEE80211_CONF_VHT(ic) \ 101 ((ic)->ic_flags_ext & IEEE80211_FEXT_VHT) 102 103 #define IEEE80211_CONF_SEQNO_OFFLOAD(ic) \ 104 ((ic)->ic_flags_ext & IEEE80211_FEXT_SEQNO_OFFLOAD) 105 #define IEEE80211_CONF_FRAG_OFFLOAD(ic) \ 106 ((ic)->ic_flags_ext & IEEE80211_FEXT_FRAG_OFFLOAD) 107 108 /* 109 * 802.11 control state is split into a common portion that maps 110 * 1-1 to a physical device and one or more "Virtual AP's" (VAP) 111 * that are bound to an ieee80211com instance and share a single 112 * underlying device. Each VAP has a corresponding OS device 113 * entity through which traffic flows and that applications use 114 * for issuing ioctls, etc. 115 */ 116 117 /* 118 * Data common to one or more virtual AP's. State shared by 119 * the underlying device and the net80211 layer is exposed here; 120 * e.g. device-specific callbacks. 121 */ 122 struct ieee80211vap; 123 typedef void (*ieee80211vap_attach)(struct ieee80211vap *); 124 125 struct ieee80211_appie { 126 uint16_t ie_len; /* size of ie_data */ 127 uint8_t ie_data[0]; /* user-specified IE's */ 128 }; 129 130 struct ieee80211_tdma_param; 131 struct ieee80211_rate_table; 132 struct ieee80211_tx_ampdu; 133 struct ieee80211_rx_ampdu; 134 struct ieee80211_superg; 135 struct ieee80211_frame; 136 137 struct net80211dump_methods; 138 139 struct ieee80211com { 140 void *ic_softc; /* driver softc */ 141 const char *ic_name; /* usually device name */ 142 ieee80211_com_lock_t ic_comlock; /* state update lock */ 143 ieee80211_tx_lock_t ic_txlock; /* ic/vap TX lock */ 144 ieee80211_ff_lock_t ic_fflock; /* stageq/ni_tx_superg lock */ 145 LIST_ENTRY(ieee80211com) ic_next; /* on global list */ 146 TAILQ_HEAD(, ieee80211vap) ic_vaps; /* list of vap instances */ 147 int ic_headroom; /* driver tx headroom needs */ 148 enum ieee80211_phytype ic_phytype; /* XXX wrong for multi-mode */ 149 enum ieee80211_opmode ic_opmode; /* operation mode */ 150 struct callout ic_inact; /* inactivity processing */ 151 struct taskqueue *ic_tq; /* deferred state thread */ 152 struct task ic_parent_task; /* deferred parent processing */ 153 struct task ic_promisc_task;/* deferred promisc update */ 154 struct task ic_mcast_task; /* deferred mcast update */ 155 struct task ic_chan_task; /* deferred channel change */ 156 struct task ic_bmiss_task; /* deferred beacon miss hndlr */ 157 struct task ic_chw_task; /* deferred HT CHW update */ 158 struct task ic_restart_task; /* deferred device restart */ 159 160 counter_u64_t ic_ierrors; /* input errors */ 161 counter_u64_t ic_oerrors; /* output errors */ 162 163 uint32_t ic_flags; /* state flags */ 164 uint32_t ic_flags_ext; /* extended state flags */ 165 uint32_t ic_flags_ht; /* HT state flags */ 166 uint32_t ic_flags_ven; /* vendor state flags */ 167 uint32_t ic_caps; /* capabilities */ 168 uint32_t ic_htcaps; /* HT capabilities */ 169 uint32_t ic_htextcaps; /* HT extended capabilities */ 170 uint32_t ic_cryptocaps; /* crypto capabilities */ 171 /* set of mode capabilities */ 172 uint8_t ic_modecaps[IEEE80211_MODE_BYTES]; 173 uint8_t ic_promisc; /* vap's needing promisc mode */ 174 uint8_t ic_allmulti; /* vap's needing all multicast*/ 175 uint8_t ic_nrunning; /* vap's marked running */ 176 uint8_t ic_curmode; /* current mode */ 177 uint8_t ic_macaddr[IEEE80211_ADDR_LEN]; 178 uint16_t ic_bintval; /* beacon interval */ 179 uint16_t ic_lintval; /* listen interval */ 180 uint16_t ic_holdover; /* PM hold over duration */ 181 uint16_t ic_txpowlimit; /* global tx power limit */ 182 struct ieee80211_rateset ic_sup_rates[IEEE80211_MODE_MAX]; 183 struct ieee80211_htrateset ic_sup_htrates; 184 185 /* 186 * Channel state: 187 * 188 * ic_channels is the set of available channels for the device; 189 * it is setup by the driver 190 * ic_nchans is the number of valid entries in ic_channels 191 * ic_chan_avail is a bit vector of these channels used to check 192 * whether a channel is available w/o searching the channel table. 193 * ic_chan_active is a (potentially) constrained subset of 194 * ic_chan_avail that reflects any mode setting or user-specified 195 * limit on the set of channels to use/scan 196 * ic_curchan is the current channel the device is set to; it may 197 * be different from ic_bsschan when we are off-channel scanning 198 * or otherwise doing background work 199 * ic_bsschan is the channel selected for operation; it may 200 * be undefined (IEEE80211_CHAN_ANYC) 201 * ic_prevchan is a cached ``previous channel'' used to optimize 202 * lookups when switching back+forth between two channels 203 * (e.g. for dynamic turbo) 204 */ 205 int ic_nchans; /* # entries in ic_channels */ 206 struct ieee80211_channel ic_channels[IEEE80211_CHAN_MAX]; 207 uint8_t ic_chan_avail[IEEE80211_CHAN_BYTES]; 208 uint8_t ic_chan_active[IEEE80211_CHAN_BYTES]; 209 uint8_t ic_chan_scan[IEEE80211_CHAN_BYTES]; 210 struct ieee80211_channel *ic_curchan; /* current channel */ 211 const struct ieee80211_rate_table *ic_rt; /* table for ic_curchan */ 212 struct ieee80211_channel *ic_bsschan; /* bss channel */ 213 struct ieee80211_channel *ic_prevchan; /* previous channel */ 214 struct ieee80211_regdomain ic_regdomain;/* regulatory data */ 215 struct ieee80211_appie *ic_countryie; /* calculated country ie */ 216 struct ieee80211_channel *ic_countryie_chan; 217 218 /* 802.11h/DFS state */ 219 struct ieee80211_channel *ic_csa_newchan;/* channel for doing CSA */ 220 short ic_csa_mode; /* mode for doing CSA */ 221 short ic_csa_count; /* count for doing CSA */ 222 struct ieee80211_dfs_state ic_dfs; /* DFS state */ 223 224 struct ieee80211_scan_state *ic_scan; /* scan state */ 225 struct ieee80211_scan_methods *ic_scan_methods; /* scan methods */ 226 int ic_lastdata; /* time of last data frame */ 227 int ic_lastscan; /* time last scan completed */ 228 229 /* NB: this is the union of all vap stations/neighbors */ 230 int ic_max_keyix; /* max h/w key index */ 231 struct ieee80211_node_table ic_sta; /* stations/neighbors */ 232 struct ieee80211_ageq ic_stageq; /* frame staging queue */ 233 uint32_t ic_hash_key; /* random key for mac hash */ 234 235 /* XXX multi-bss: split out common/vap parts */ 236 struct ieee80211_wme_state ic_wme; /* WME/WMM state */ 237 238 /* Protection mode for net80211 driven channel NICs */ 239 enum ieee80211_protmode ic_protmode; /* 802.11g protection mode */ 240 enum ieee80211_protmode ic_htprotmode; /* HT protection mode */ 241 uint8_t ic_curhtprotmode;/* HTINFO bss state */ 242 243 uint8_t ic_rxstream; /* # RX streams */ 244 uint8_t ic_txstream; /* # TX streams */ 245 246 /* VHT information */ 247 uint32_t ic_vhtcaps; /* VHT capabilities */ 248 uint32_t ic_vhtextcaps; /* VHT extended capabilities (TODO) */ 249 struct ieee80211_vht_mcs_info ic_vht_mcsinfo; /* Support TX/RX VHT MCS */ 250 uint32_t ic_flags_vht; /* VHT state flags */ 251 uint32_t ic_vht_spare[3]; 252 253 /* optional state for Atheros SuperG protocol extensions */ 254 struct ieee80211_superg *ic_superg; 255 256 /* radiotap handling */ 257 struct ieee80211_radiotap_header *ic_th;/* tx radiotap headers */ 258 void *ic_txchan; /* channel state in ic_th */ 259 struct ieee80211_radiotap_header *ic_rh;/* rx radiotap headers */ 260 void *ic_rxchan; /* channel state in ic_rh */ 261 int ic_montaps; /* active monitor mode taps */ 262 263 /* virtual ap create/delete */ 264 struct ieee80211vap* (*ic_vap_create)(struct ieee80211com *, 265 const char [IFNAMSIZ], int, 266 enum ieee80211_opmode, int, 267 const uint8_t [IEEE80211_ADDR_LEN], 268 const uint8_t [IEEE80211_ADDR_LEN]); 269 void (*ic_vap_delete)(struct ieee80211vap *); 270 /* device specific ioctls */ 271 int (*ic_ioctl)(struct ieee80211com *, 272 u_long, void *); 273 /* start/stop device */ 274 void (*ic_parent)(struct ieee80211com *); 275 /* operating mode attachment */ 276 ieee80211vap_attach ic_vattach[IEEE80211_OPMODE_MAX]; 277 /* return hardware/radio capabilities */ 278 void (*ic_getradiocaps)(struct ieee80211com *, 279 int, int *, struct ieee80211_channel []); 280 /* check and/or prepare regdomain state change */ 281 int (*ic_setregdomain)(struct ieee80211com *, 282 struct ieee80211_regdomain *, 283 int, struct ieee80211_channel []); 284 285 int (*ic_set_quiet)(struct ieee80211_node *, 286 u_int8_t *quiet_elm); 287 288 /* regular transmit */ 289 int (*ic_transmit)(struct ieee80211com *, 290 struct mbuf *); 291 /* send/recv 802.11 management frame */ 292 int (*ic_send_mgmt)(struct ieee80211_node *, 293 int, int); 294 /* send raw 802.11 frame */ 295 int (*ic_raw_xmit)(struct ieee80211_node *, 296 struct mbuf *, 297 const struct ieee80211_bpf_params *); 298 /* update device state for 802.11 slot time change */ 299 void (*ic_updateslot)(struct ieee80211com *); 300 /* handle multicast state changes */ 301 void (*ic_update_mcast)(struct ieee80211com *); 302 /* handle promiscuous mode changes */ 303 void (*ic_update_promisc)(struct ieee80211com *); 304 /* new station association callback/notification */ 305 void (*ic_newassoc)(struct ieee80211_node *, int); 306 /* TDMA update notification */ 307 void (*ic_tdma_update)(struct ieee80211_node *, 308 const struct ieee80211_tdma_param *, int); 309 310 /* Node state management */ 311 312 /* Allocate a new node */ 313 struct ieee80211_node* (*ic_node_alloc)(struct ieee80211vap *, 314 const uint8_t [IEEE80211_ADDR_LEN]); 315 316 /* Driver node initialisation after net80211 setup */ 317 int (*ic_node_init)(struct ieee80211_node *); 318 319 /* Driver node deallocation */ 320 void (*ic_node_free)(struct ieee80211_node *); 321 322 /* Driver node state cleanup before deallocation */ 323 void (*ic_node_cleanup)(struct ieee80211_node *); 324 325 void (*ic_node_age)(struct ieee80211_node *); 326 void (*ic_node_drain)(struct ieee80211_node *); 327 int8_t (*ic_node_getrssi)(const struct ieee80211_node*); 328 void (*ic_node_getsignal)(const struct ieee80211_node*, 329 int8_t *, int8_t *); 330 void (*ic_node_getmimoinfo)( 331 const struct ieee80211_node*, 332 struct ieee80211_mimo_info *); 333 /* scanning support */ 334 void (*ic_scan_start)(struct ieee80211com *); 335 void (*ic_scan_end)(struct ieee80211com *); 336 void (*ic_set_channel)(struct ieee80211com *); 337 void (*ic_scan_curchan)(struct ieee80211_scan_state *, 338 unsigned long); 339 void (*ic_scan_mindwell)(struct ieee80211_scan_state *); 340 341 /* 342 * 802.11n ADDBA support. A simple/generic implementation 343 * of A-MPDU tx aggregation is provided; the driver may 344 * override these methods to provide their own support. 345 * A-MPDU rx re-ordering happens automatically if the 346 * driver passes out-of-order frames to ieee80211_input 347 * from an assocated HT station. 348 */ 349 int (*ic_recv_action)(struct ieee80211_node *, 350 const struct ieee80211_frame *, 351 const uint8_t *frm, const uint8_t *efrm); 352 int (*ic_send_action)(struct ieee80211_node *, 353 int category, int action, void *); 354 /* check if A-MPDU should be enabled this station+ac */ 355 int (*ic_ampdu_enable)(struct ieee80211_node *, 356 struct ieee80211_tx_ampdu *); 357 /* start/stop doing A-MPDU tx aggregation for a station */ 358 int (*ic_addba_request)(struct ieee80211_node *, 359 struct ieee80211_tx_ampdu *, 360 int dialogtoken, int baparamset, 361 int batimeout); 362 int (*ic_addba_response)(struct ieee80211_node *, 363 struct ieee80211_tx_ampdu *, 364 int status, int baparamset, int batimeout); 365 void (*ic_addba_stop)(struct ieee80211_node *, 366 struct ieee80211_tx_ampdu *); 367 void (*ic_addba_response_timeout)(struct ieee80211_node *, 368 struct ieee80211_tx_ampdu *); 369 /* BAR response received */ 370 void (*ic_bar_response)(struct ieee80211_node *, 371 struct ieee80211_tx_ampdu *, int status); 372 /* start/stop doing A-MPDU rx processing for a station */ 373 int (*ic_ampdu_rx_start)(struct ieee80211_node *, 374 struct ieee80211_rx_ampdu *, int baparamset, 375 int batimeout, int baseqctl); 376 void (*ic_ampdu_rx_stop)(struct ieee80211_node *, 377 struct ieee80211_rx_ampdu *); 378 379 /* The channel width has changed (20<->2040) */ 380 void (*ic_update_chw)(struct ieee80211com *); 381 382 const struct debugnet80211_methods *ic_debugnet_meth; 383 uint64_t ic_spare[7]; 384 }; 385 386 struct ieee80211_aclator; 387 struct ieee80211_tdma_state; 388 struct ieee80211_mesh_state; 389 struct ieee80211_hwmp_state; 390 struct ieee80211_rx_histogram; 391 struct ieee80211_tx_histogram; 392 393 struct ieee80211vap { 394 struct ifmedia iv_media; /* interface media config */ 395 struct ifnet *iv_ifp; /* associated device */ 396 struct bpf_if *iv_rawbpf; /* packet filter structure */ 397 struct sysctl_ctx_list *iv_sysctl; /* dynamic sysctl context */ 398 struct sysctl_oid *iv_oid; /* net.wlan.X sysctl oid */ 399 400 TAILQ_ENTRY(ieee80211vap) iv_next; /* list of vap instances */ 401 struct ieee80211com *iv_ic; /* back ptr to common state */ 402 /* MAC address: ifp or ic */ 403 uint8_t iv_myaddr[IEEE80211_ADDR_LEN]; 404 uint32_t iv_debug; /* debug msg flags */ 405 struct ieee80211_stats iv_stats; /* statistics */ 406 407 uint32_t iv_flags; /* state flags */ 408 uint32_t iv_flags_ext; /* extended state flags */ 409 uint32_t iv_flags_ht; /* HT state flags */ 410 uint32_t iv_flags_ven; /* vendor state flags */ 411 uint32_t iv_ifflags; /* ifnet flags */ 412 uint32_t iv_caps; /* capabilities */ 413 uint32_t iv_htcaps; /* HT capabilities */ 414 uint32_t iv_htextcaps; /* HT extended capabilities */ 415 uint32_t iv_com_state; /* com usage / detached flag */ 416 enum ieee80211_opmode iv_opmode; /* operation mode */ 417 enum ieee80211_state iv_state; /* state machine state */ 418 enum ieee80211_state iv_nstate; /* pending state */ 419 int iv_nstate_arg; /* pending state arg */ 420 struct task iv_nstate_task; /* deferred state processing */ 421 struct task iv_swbmiss_task;/* deferred iv_bmiss call */ 422 struct callout iv_mgtsend; /* mgmt frame response timer */ 423 /* inactivity timer settings */ 424 int iv_inact_init; /* setting for new station */ 425 int iv_inact_auth; /* auth but not assoc setting */ 426 int iv_inact_run; /* authorized setting */ 427 int iv_inact_probe; /* inactive probe time */ 428 429 /* VHT flags */ 430 uint32_t iv_flags_vht; /* VHT state flags */ 431 uint32_t iv_vhtcaps; /* VHT capabilities */ 432 uint32_t iv_vhtextcaps; /* VHT extended capabilities (TODO) */ 433 struct ieee80211_vht_mcs_info iv_vht_mcsinfo; 434 uint32_t iv_vht_spare[4]; 435 436 int iv_des_nssid; /* # desired ssids */ 437 struct ieee80211_scan_ssid iv_des_ssid[1];/* desired ssid table */ 438 uint8_t iv_des_bssid[IEEE80211_ADDR_LEN]; 439 struct ieee80211_channel *iv_des_chan; /* desired channel */ 440 uint16_t iv_des_mode; /* desired mode */ 441 int iv_nicknamelen; /* XXX junk */ 442 uint8_t iv_nickname[IEEE80211_NWID_LEN]; 443 u_int iv_bgscanidle; /* bg scan idle threshold */ 444 u_int iv_bgscanintvl; /* bg scan min interval */ 445 u_int iv_scanvalid; /* scan cache valid threshold */ 446 u_int iv_scanreq_duration; 447 u_int iv_scanreq_mindwell; 448 u_int iv_scanreq_maxdwell; 449 uint16_t iv_scanreq_flags;/* held scan request params */ 450 uint8_t iv_scanreq_nssid; 451 struct ieee80211_scan_ssid iv_scanreq_ssid[IEEE80211_SCAN_MAX_SSID]; 452 /* sta-mode roaming state */ 453 enum ieee80211_roamingmode iv_roaming; /* roaming mode */ 454 struct ieee80211_roamparam iv_roamparms[IEEE80211_MODE_MAX]; 455 456 uint8_t iv_bmissthreshold; 457 uint8_t iv_bmiss_count; /* current beacon miss count */ 458 int iv_bmiss_max; /* max bmiss before scan */ 459 uint16_t iv_swbmiss_count;/* beacons in last period */ 460 uint16_t iv_swbmiss_period;/* s/w bmiss period */ 461 struct callout iv_swbmiss; /* s/w beacon miss timer */ 462 463 int iv_ampdu_rxmax; /* A-MPDU rx limit (bytes) */ 464 int iv_ampdu_density;/* A-MPDU density */ 465 int iv_ampdu_limit; /* A-MPDU tx limit (bytes) */ 466 int iv_amsdu_limit; /* A-MSDU tx limit (bytes) */ 467 u_int iv_ampdu_mintraffic[WME_NUM_AC]; 468 469 struct ieee80211_beacon_offsets iv_bcn_off; 470 uint32_t *iv_aid_bitmap; /* association id map */ 471 uint16_t iv_max_aid; 472 uint16_t iv_sta_assoc; /* stations associated */ 473 uint16_t iv_ps_sta; /* stations in power save */ 474 uint16_t iv_ps_pending; /* ps sta's w/ pending frames */ 475 uint16_t iv_txseq; /* mcast xmit seq# space */ 476 uint16_t iv_tim_len; /* ic_tim_bitmap size (bytes) */ 477 uint8_t *iv_tim_bitmap; /* power-save stations w/ data*/ 478 uint8_t iv_dtim_period; /* DTIM period */ 479 uint8_t iv_dtim_count; /* DTIM count from last bcn */ 480 /* set/unset aid pwrsav state */ 481 uint8_t iv_quiet; /* Quiet Element */ 482 uint8_t iv_quiet_count; /* constant count for Quiet Element */ 483 uint8_t iv_quiet_count_value; /* variable count for Quiet Element */ 484 uint8_t iv_quiet_period; /* period for Quiet Element */ 485 uint16_t iv_quiet_duration; /* duration for Quiet Element */ 486 uint16_t iv_quiet_offset; /* offset for Quiet Element */ 487 int iv_csa_count; /* count for doing CSA */ 488 489 struct ieee80211_node *iv_bss; /* information for this node */ 490 struct ieee80211_txparam iv_txparms[IEEE80211_MODE_MAX]; 491 uint16_t iv_rtsthreshold; 492 uint16_t iv_fragthreshold; 493 int iv_inact_timer; /* inactivity timer wait */ 494 /* application-specified IE's to attach to mgt frames */ 495 struct ieee80211_appie *iv_appie_beacon; 496 struct ieee80211_appie *iv_appie_probereq; 497 struct ieee80211_appie *iv_appie_proberesp; 498 struct ieee80211_appie *iv_appie_assocreq; 499 struct ieee80211_appie *iv_appie_assocresp; 500 struct ieee80211_appie *iv_appie_wpa; 501 uint8_t *iv_wpa_ie; 502 uint8_t *iv_rsn_ie; 503 504 /* Key management */ 505 uint16_t iv_max_keyix; /* max h/w key index */ 506 ieee80211_keyix iv_def_txkey; /* default/group tx key index */ 507 struct ieee80211_key iv_nw_keys[IEEE80211_WEP_NKID]; 508 int (*iv_key_alloc)(struct ieee80211vap *, 509 struct ieee80211_key *, 510 ieee80211_keyix *, ieee80211_keyix *); 511 int (*iv_key_delete)(struct ieee80211vap *, 512 const struct ieee80211_key *); 513 int (*iv_key_set)(struct ieee80211vap *, 514 const struct ieee80211_key *); 515 void (*iv_key_update_begin)(struct ieee80211vap *); 516 void (*iv_key_update_end)(struct ieee80211vap *); 517 void (*iv_update_deftxkey)(struct ieee80211vap *, 518 ieee80211_keyix deftxkey); 519 520 const struct ieee80211_authenticator *iv_auth; /* authenticator glue */ 521 void *iv_ec; /* private auth state */ 522 523 const struct ieee80211_aclator *iv_acl; /* acl glue */ 524 void *iv_as; /* private aclator state */ 525 526 const struct ieee80211_ratectl *iv_rate; 527 void *iv_rs; /* private ratectl state */ 528 529 struct ieee80211_tdma_state *iv_tdma; /* tdma state */ 530 struct ieee80211_mesh_state *iv_mesh; /* MBSS state */ 531 struct ieee80211_hwmp_state *iv_hwmp; /* HWMP state */ 532 533 /* operate-mode detach hook */ 534 void (*iv_opdetach)(struct ieee80211vap *); 535 /* receive processing */ 536 int (*iv_input)(struct ieee80211_node *, 537 struct mbuf *, 538 const struct ieee80211_rx_stats *, 539 int, int); 540 void (*iv_recv_mgmt)(struct ieee80211_node *, 541 struct mbuf *, int, 542 const struct ieee80211_rx_stats *, 543 int, int); 544 void (*iv_recv_ctl)(struct ieee80211_node *, 545 struct mbuf *, int); 546 void (*iv_deliver_data)(struct ieee80211vap *, 547 struct ieee80211_node *, struct mbuf *); 548 #if 0 549 /* send processing */ 550 int (*iv_send_mgmt)(struct ieee80211_node *, 551 int, int); 552 #endif 553 /* beacon miss processing */ 554 void (*iv_bmiss)(struct ieee80211vap *); 555 /* reset device state after 802.11 parameter/state change */ 556 int (*iv_reset)(struct ieee80211vap *, u_long); 557 /* [schedule] beacon frame update */ 558 void (*iv_update_beacon)(struct ieee80211vap *, int); 559 /* power save handling */ 560 void (*iv_update_ps)(struct ieee80211vap *, int); 561 int (*iv_set_tim)(struct ieee80211_node *, int); 562 void (*iv_node_ps)(struct ieee80211_node *, int); 563 void (*iv_sta_ps)(struct ieee80211vap *, int); 564 void (*iv_recv_pspoll)(struct ieee80211_node *, 565 struct mbuf *); 566 567 /* state machine processing */ 568 int (*iv_newstate)(struct ieee80211vap *, 569 enum ieee80211_state, int); 570 /* 802.3 output method for raw frame xmit */ 571 int (*iv_output)(struct ifnet *, struct mbuf *, 572 const struct sockaddr *, struct route *); 573 574 int (*iv_wme_update)(struct ieee80211vap *, 575 const struct wmeParams *wme_params); 576 struct task iv_wme_task; /* deferred VAP WME update */ 577 578 /* associated state; protection mode */ 579 enum ieee80211_protmode iv_protmode; /* 802.11g protection mode */ 580 enum ieee80211_protmode iv_htprotmode; /* HT protection mode */ 581 uint8_t iv_curhtprotmode;/* HTINFO bss state */ 582 583 uint16_t iv_nonerpsta; /* # non-ERP stations */ 584 uint16_t iv_longslotsta; /* # long slot time stations */ 585 uint16_t iv_ht_sta_assoc;/* HT stations associated */ 586 uint16_t iv_ht40_sta_assoc;/* HT40 stations associated */ 587 int iv_lastnonerp; /* last time non-ERP sta noted*/ 588 int iv_lastnonht; /* last time non-HT sta noted */ 589 590 /* update device state for 802.11 slot time change */ 591 void (*iv_updateslot)(struct ieee80211vap *); 592 struct task iv_slot_task; /* deferred slot time update */ 593 594 struct task iv_erp_protmode_task; /* deferred ERP protmode update */ 595 void (*iv_erp_protmode_update)(struct ieee80211vap *); 596 597 struct task iv_preamble_task; /* deferred short/barker preamble update */ 598 void (*iv_preamble_update)(struct ieee80211vap *); 599 600 struct task iv_ht_protmode_task; /* deferred HT protmode update */ 601 void (*iv_ht_protmode_update)(struct ieee80211vap *); 602 603 /* per-vap U-APSD state */ 604 uint8_t iv_uapsdinfo; /* sta mode QoS Info flags */ 605 606 /* Optional transmit/receive histogram statistics */ 607 struct ieee80211_rx_histogram *rx_histogram; 608 struct ieee80211_tx_histogram *tx_histogram; 609 610 uint64_t iv_spare[6]; 611 }; 612 MALLOC_DECLARE(M_80211_VAP); 613 614 #define IEEE80211_ADDR_EQ(a1,a2) (memcmp(a1,a2,IEEE80211_ADDR_LEN) == 0) 615 #define IEEE80211_ADDR_COPY(dst,src) memcpy(dst,src,IEEE80211_ADDR_LEN) 616 617 /* ic_flags/iv_flags */ 618 #define IEEE80211_F_TURBOP 0x00000001 /* CONF: ATH Turbo enabled*/ 619 #define IEEE80211_F_COMP 0x00000002 /* CONF: ATH comp enabled */ 620 #define IEEE80211_F_FF 0x00000004 /* CONF: ATH FF enabled */ 621 #define IEEE80211_F_BURST 0x00000008 /* CONF: bursting enabled */ 622 /* NB: this is intentionally setup to be IEEE80211_CAPINFO_PRIVACY */ 623 #define IEEE80211_F_PRIVACY 0x00000010 /* CONF: privacy enabled */ 624 #define IEEE80211_F_PUREG 0x00000020 /* CONF: 11g w/o 11b sta's */ 625 #define IEEE80211_F_SCAN 0x00000080 /* STATUS: scanning */ 626 /* 0x00000300 reserved */ 627 /* NB: this is intentionally setup to be IEEE80211_CAPINFO_SHORT_SLOTTIME */ 628 #define IEEE80211_F_SHSLOT 0x00000400 /* STATUS: use short slot time*/ 629 #define IEEE80211_F_PMGTON 0x00000800 /* CONF: Power mgmt enable */ 630 #define IEEE80211_F_DESBSSID 0x00001000 /* CONF: des_bssid is set */ 631 #define IEEE80211_F_WME 0x00002000 /* CONF: enable WME use */ 632 #define IEEE80211_F_BGSCAN 0x00004000 /* CONF: bg scan enabled (???)*/ 633 #define IEEE80211_F_SWRETRY 0x00008000 /* CONF: sw tx retry enabled */ 634 /* 0x00030000 reserved */ 635 #define IEEE80211_F_SHPREAMBLE 0x00040000 /* STATUS: use short preamble */ 636 #define IEEE80211_F_DATAPAD 0x00080000 /* CONF: do alignment pad */ 637 #define IEEE80211_F_USEPROT 0x00100000 /* STATUS: protection enabled */ 638 #define IEEE80211_F_USEBARKER 0x00200000 /* STATUS: use barker preamble*/ 639 #define IEEE80211_F_CSAPENDING 0x00400000 /* STATUS: chan switch pending*/ 640 #define IEEE80211_F_WPA1 0x00800000 /* CONF: WPA enabled */ 641 #define IEEE80211_F_WPA2 0x01000000 /* CONF: WPA2 enabled */ 642 #define IEEE80211_F_WPA 0x01800000 /* CONF: WPA/WPA2 enabled */ 643 #define IEEE80211_F_DROPUNENC 0x02000000 /* CONF: drop unencrypted */ 644 #define IEEE80211_F_COUNTERM 0x04000000 /* CONF: TKIP countermeasures */ 645 #define IEEE80211_F_HIDESSID 0x08000000 /* CONF: hide SSID in beacon */ 646 #define IEEE80211_F_NOBRIDGE 0x10000000 /* CONF: dis. internal bridge */ 647 #define IEEE80211_F_PCF 0x20000000 /* CONF: PCF enabled */ 648 #define IEEE80211_F_DOTH 0x40000000 /* CONF: 11h enabled */ 649 #define IEEE80211_F_DWDS 0x80000000 /* CONF: Dynamic WDS enabled */ 650 651 #define IEEE80211_F_BITS \ 652 "\20\1TURBOP\2COMP\3FF\4BURST\5PRIVACY\6PUREG\10SCAN" \ 653 "\13SHSLOT\14PMGTON\15DESBSSID\16WME\17BGSCAN\20SWRETRY" \ 654 "\23SHPREAMBLE\24DATAPAD\25USEPROT\26USERBARKER\27CSAPENDING" \ 655 "\30WPA1\31WPA2\32DROPUNENC\33COUNTERM\34HIDESSID\35NOBRIDG\36PCF" \ 656 "\37DOTH\40DWDS" 657 658 /* Atheros protocol-specific flags */ 659 #define IEEE80211_F_ATHEROS \ 660 (IEEE80211_F_FF | IEEE80211_F_COMP | IEEE80211_F_TURBOP) 661 /* Check if an Atheros capability was negotiated for use */ 662 #define IEEE80211_ATH_CAP(vap, ni, bit) \ 663 ((vap)->iv_flags & (ni)->ni_ath_flags & (bit)) 664 665 /* ic_flags_ext/iv_flags_ext */ 666 #define IEEE80211_FEXT_INACT 0x00000002 /* CONF: sta inact handling */ 667 #define IEEE80211_FEXT_SCANWAIT 0x00000004 /* STATUS: awaiting scan */ 668 /* 0x00000006 reserved */ 669 #define IEEE80211_FEXT_BGSCAN 0x00000008 /* STATUS: complete bgscan */ 670 #define IEEE80211_FEXT_WPS 0x00000010 /* CONF: WPS enabled */ 671 #define IEEE80211_FEXT_TSN 0x00000020 /* CONF: TSN enabled */ 672 #define IEEE80211_FEXT_SCANREQ 0x00000040 /* STATUS: scan req params */ 673 #define IEEE80211_FEXT_RESUME 0x00000080 /* STATUS: start on resume */ 674 #define IEEE80211_FEXT_4ADDR 0x00000100 /* CONF: apply 4-addr encap */ 675 #define IEEE80211_FEXT_NONERP_PR 0x00000200 /* STATUS: non-ERP sta present*/ 676 #define IEEE80211_FEXT_SWBMISS 0x00000400 /* CONF: do bmiss in s/w */ 677 #define IEEE80211_FEXT_DFS 0x00000800 /* CONF: DFS enabled */ 678 #define IEEE80211_FEXT_DOTD 0x00001000 /* CONF: 11d enabled */ 679 #define IEEE80211_FEXT_STATEWAIT 0x00002000 /* STATUS: awaiting state chg */ 680 #define IEEE80211_FEXT_REINIT 0x00004000 /* STATUS: INIT state first */ 681 #define IEEE80211_FEXT_BPF 0x00008000 /* STATUS: BPF tap present */ 682 /* NB: immutable: should be set only when creating a vap */ 683 #define IEEE80211_FEXT_WDSLEGACY 0x00010000 /* CONF: legacy WDS operation */ 684 #define IEEE80211_FEXT_PROBECHAN 0x00020000 /* CONF: probe passive channel*/ 685 #define IEEE80211_FEXT_UNIQMAC 0x00040000 /* CONF: user or computed mac */ 686 #define IEEE80211_FEXT_SCAN_OFFLOAD 0x00080000 /* CONF: scan is fully offloaded */ 687 #define IEEE80211_FEXT_SEQNO_OFFLOAD 0x00100000 /* CONF: driver does seqno insertion/allocation */ 688 #define IEEE80211_FEXT_FRAG_OFFLOAD 0x00200000 /* CONF: hardware does 802.11 fragmentation + assignment */ 689 #define IEEE80211_FEXT_VHT 0x00400000 /* CONF: VHT support */ 690 #define IEEE80211_FEXT_QUIET_IE 0x00800000 /* STATUS: quiet IE in a beacon has been added */ 691 #define IEEE80211_FEXT_UAPSD 0x01000000 /* CONF: enable U-APSD */ 692 693 #define IEEE80211_FEXT_BITS \ 694 "\20\2INACT\3SCANWAIT\4BGSCAN\5WPS\6TSN\7SCANREQ\10RESUME" \ 695 "\0114ADDR\12NONEPR_PR\13SWBMISS\14DFS\15DOTD\16STATEWAIT\17REINIT" \ 696 "\20BPF\21WDSLEGACY\22PROBECHAN\23UNIQMAC\24SCAN_OFFLOAD\25SEQNO_OFFLOAD" \ 697 "\26VHT\27QUIET_IE" 698 699 /* ic_flags_ht/iv_flags_ht */ 700 #define IEEE80211_FHT_NONHT_PR 0x00000001 /* STATUS: non-HT sta present */ 701 #define IEEE80211_FHT_LDPC_TX 0x00010000 /* CONF: LDPC tx enabled */ 702 #define IEEE80211_FHT_LDPC_RX 0x00020000 /* CONF: LDPC rx enabled */ 703 #define IEEE80211_FHT_GF 0x00040000 /* CONF: Greenfield enabled */ 704 #define IEEE80211_FHT_HT 0x00080000 /* CONF: HT supported */ 705 #define IEEE80211_FHT_AMPDU_TX 0x00100000 /* CONF: A-MPDU tx supported */ 706 #define IEEE80211_FHT_AMPDU_RX 0x00200000 /* CONF: A-MPDU rx supported */ 707 #define IEEE80211_FHT_AMSDU_TX 0x00400000 /* CONF: A-MSDU tx supported */ 708 #define IEEE80211_FHT_AMSDU_RX 0x00800000 /* CONF: A-MSDU rx supported */ 709 #define IEEE80211_FHT_USEHT40 0x01000000 /* CONF: 20/40 use enabled */ 710 #define IEEE80211_FHT_PUREN 0x02000000 /* CONF: 11n w/o legacy sta's */ 711 #define IEEE80211_FHT_SHORTGI20 0x04000000 /* CONF: short GI in HT20 */ 712 #define IEEE80211_FHT_SHORTGI40 0x08000000 /* CONF: short GI in HT40 */ 713 #define IEEE80211_FHT_HTCOMPAT 0x10000000 /* CONF: HT vendor OUI's */ 714 #define IEEE80211_FHT_RIFS 0x20000000 /* CONF: RIFS enabled */ 715 #define IEEE80211_FHT_STBC_TX 0x40000000 /* CONF: STBC tx enabled */ 716 #define IEEE80211_FHT_STBC_RX 0x80000000 /* CONF: STBC rx enabled */ 717 718 #define IEEE80211_FHT_BITS \ 719 "\20\1NONHT_PR" \ 720 "\23GF\24HT\25AMPDU_TX\26AMPDU_TX" \ 721 "\27AMSDU_TX\30AMSDU_RX\31USEHT40\32PUREN\33SHORTGI20\34SHORTGI40" \ 722 "\35HTCOMPAT\36RIFS\37STBC_TX\40STBC_RX" 723 724 #define IEEE80211_FVEN_BITS "\20" 725 726 #define IEEE80211_FVHT_VHT 0x000000001 /* CONF: VHT supported */ 727 #define IEEE80211_FVHT_USEVHT40 0x000000002 /* CONF: Use VHT40 */ 728 #define IEEE80211_FVHT_USEVHT80 0x000000004 /* CONF: Use VHT80 */ 729 #define IEEE80211_FVHT_USEVHT160 0x000000008 /* CONF: Use VHT160 */ 730 #define IEEE80211_FVHT_USEVHT80P80 0x000000010 /* CONF: Use VHT 80+80 */ 731 #define IEEE80211_FVHT_MASK \ 732 (IEEE80211_FVHT_VHT | IEEE80211_FVHT_USEVHT40 | \ 733 IEEE80211_FVHT_USEVHT80 | IEEE80211_FVHT_USEVHT160 | \ 734 IEEE80211_FVHT_USEVHT80P80) 735 #define IEEE80211_VFHT_BITS \ 736 "\20\1VHT\2VHT40\3VHT80\4VHT160\5VHT80P80" 737 738 #define IEEE80211_COM_DETACHED 0x00000001 /* ieee80211_ifdetach called */ 739 #define IEEE80211_COM_REF_ADD 0x00000002 /* add / remove reference */ 740 #define IEEE80211_COM_REF 0xfffffffe /* reference counter bits */ 741 #define IEEE80211_COM_REF_S 1 742 #define IEEE80211_COM_REF_MAX (IEEE80211_COM_REF >> IEEE80211_COM_REF_S) 743 744 int ic_printf(struct ieee80211com *, const char *, ...) __printflike(2, 3); 745 void ieee80211_ifattach(struct ieee80211com *); 746 void ieee80211_ifdetach(struct ieee80211com *); 747 int ieee80211_vap_setup(struct ieee80211com *, struct ieee80211vap *, 748 const char name[IFNAMSIZ], int unit, 749 enum ieee80211_opmode opmode, int flags, 750 const uint8_t bssid[IEEE80211_ADDR_LEN]); 751 int ieee80211_vap_attach(struct ieee80211vap *, 752 ifm_change_cb_t, ifm_stat_cb_t, 753 const uint8_t macaddr[IEEE80211_ADDR_LEN]); 754 void ieee80211_vap_detach(struct ieee80211vap *); 755 const struct ieee80211_rateset *ieee80211_get_suprates(struct ieee80211com *ic, 756 const struct ieee80211_channel *); 757 const struct ieee80211_htrateset *ieee80211_get_suphtrates( 758 struct ieee80211com *, const struct ieee80211_channel *); 759 void ieee80211_announce(struct ieee80211com *); 760 void ieee80211_announce_channels(struct ieee80211com *); 761 void ieee80211_drain(struct ieee80211com *); 762 void ieee80211_chan_init(struct ieee80211com *); 763 struct ieee80211com *ieee80211_find_vap(const uint8_t mac[IEEE80211_ADDR_LEN]); 764 struct ieee80211com *ieee80211_find_com(const char *name); 765 typedef void ieee80211_com_iter_func(void *, struct ieee80211com *); 766 void ieee80211_iterate_coms(ieee80211_com_iter_func *, void *); 767 int ieee80211_media_change(struct ifnet *); 768 void ieee80211_media_status(struct ifnet *, struct ifmediareq *); 769 int ieee80211_ioctl(struct ifnet *, u_long, caddr_t); 770 int ieee80211_rate2media(struct ieee80211com *, int, 771 enum ieee80211_phymode); 772 int ieee80211_media2rate(int); 773 int ieee80211_mhz2ieee(u_int, u_int); 774 int ieee80211_chan2ieee(struct ieee80211com *, 775 const struct ieee80211_channel *); 776 u_int ieee80211_ieee2mhz(u_int, u_int); 777 int ieee80211_add_channel_cbw(struct ieee80211_channel[], int, int *, 778 uint8_t, uint16_t, int8_t, uint32_t, const uint8_t[], int); 779 int ieee80211_add_channel(struct ieee80211_channel[], int, int *, 780 uint8_t, uint16_t, int8_t, uint32_t, const uint8_t[]); 781 int ieee80211_add_channel_ht40(struct ieee80211_channel[], int, int *, 782 uint8_t, int8_t, uint32_t); 783 uint32_t ieee80211_get_channel_center_freq(const struct ieee80211_channel *); 784 uint32_t ieee80211_get_channel_center_freq1(const struct ieee80211_channel *); 785 uint32_t ieee80211_get_channel_center_freq2(const struct ieee80211_channel *); 786 #define NET80211_CBW_FLAG_HT40 0x01 787 #define NET80211_CBW_FLAG_VHT80 0x02 788 #define NET80211_CBW_FLAG_VHT160 0x04 789 #define NET80211_CBW_FLAG_VHT80P80 0x08 790 int ieee80211_add_channel_list_2ghz(struct ieee80211_channel[], int, int *, 791 const uint8_t[], int, const uint8_t[], int); 792 int ieee80211_add_channels_default_2ghz(struct ieee80211_channel[], int, 793 int *, const uint8_t[], int); 794 int ieee80211_add_channel_list_5ghz(struct ieee80211_channel[], int, int *, 795 const uint8_t[], int, const uint8_t[], int); 796 struct ieee80211_channel *ieee80211_find_channel(struct ieee80211com *, 797 int freq, int flags); 798 struct ieee80211_channel *ieee80211_find_channel_byieee(struct ieee80211com *, 799 int ieee, int flags); 800 struct ieee80211_channel *ieee80211_lookup_channel_rxstatus(struct ieee80211vap *, 801 const struct ieee80211_rx_stats *); 802 int ieee80211_setmode(struct ieee80211com *, enum ieee80211_phymode); 803 enum ieee80211_phymode ieee80211_chan2mode(const struct ieee80211_channel *); 804 uint32_t ieee80211_mac_hash(const struct ieee80211com *, 805 const uint8_t addr[IEEE80211_ADDR_LEN]); 806 char ieee80211_channel_type_char(const struct ieee80211_channel *c); 807 808 #define ieee80211_get_current_channel(_ic) ((_ic)->ic_curchan) 809 #define ieee80211_get_home_channel(_ic) ((_ic)->ic_bsschan) 810 #define ieee80211_get_vap_desired_channel(_iv) ((_iv)->iv_des_chan) 811 812 void ieee80211_radiotap_attach(struct ieee80211com *, 813 struct ieee80211_radiotap_header *th, int tlen, 814 uint32_t tx_radiotap, 815 struct ieee80211_radiotap_header *rh, int rlen, 816 uint32_t rx_radiotap); 817 void ieee80211_radiotap_attachv(struct ieee80211com *, 818 struct ieee80211_radiotap_header *th, 819 int tlen, int n_tx_v, uint32_t tx_radiotap, 820 struct ieee80211_radiotap_header *rh, 821 int rlen, int n_rx_v, uint32_t rx_radiotap); 822 void ieee80211_radiotap_detach(struct ieee80211com *); 823 void ieee80211_radiotap_vattach(struct ieee80211vap *); 824 void ieee80211_radiotap_vdetach(struct ieee80211vap *); 825 void ieee80211_radiotap_chan_change(struct ieee80211com *); 826 void ieee80211_radiotap_tx(struct ieee80211vap *, struct mbuf *); 827 void ieee80211_radiotap_rx(struct ieee80211vap *, struct mbuf *); 828 void ieee80211_radiotap_rx_all(struct ieee80211com *, struct mbuf *); 829 830 static __inline int 831 ieee80211_radiotap_active(const struct ieee80211com *ic) 832 { 833 return (ic->ic_flags_ext & IEEE80211_FEXT_BPF) != 0; 834 } 835 836 static __inline int 837 ieee80211_radiotap_active_vap(const struct ieee80211vap *vap) 838 { 839 return (vap->iv_flags_ext & IEEE80211_FEXT_BPF) || 840 vap->iv_ic->ic_montaps != 0; 841 } 842 843 /* 844 * Enqueue a task on the state thread. 845 */ 846 static __inline void 847 ieee80211_runtask(struct ieee80211com *ic, struct task *task) 848 { 849 taskqueue_enqueue(ic->ic_tq, task); 850 } 851 852 /* 853 * Wait for a queued task to complete. 854 */ 855 static __inline void 856 ieee80211_draintask(struct ieee80211com *ic, struct task *task) 857 { 858 taskqueue_drain(ic->ic_tq, task); 859 } 860 861 /* 862 * Key update synchronization methods. XXX should not be visible. 863 */ 864 static __inline void 865 ieee80211_key_update_begin(struct ieee80211vap *vap) 866 { 867 vap->iv_key_update_begin(vap); 868 } 869 static __inline void 870 ieee80211_key_update_end(struct ieee80211vap *vap) 871 { 872 vap->iv_key_update_end(vap); 873 } 874 875 /* 876 * XXX these need to be here for IEEE80211_F_DATAPAD 877 */ 878 879 /* 880 * Return the space occupied by the 802.11 header and any 881 * padding required by the driver. This works for a 882 * management or data frame. 883 */ 884 static __inline int 885 ieee80211_hdrspace(struct ieee80211com *ic, const void *data) 886 { 887 int size = ieee80211_hdrsize(data); 888 if (ic->ic_flags & IEEE80211_F_DATAPAD) 889 size = roundup(size, sizeof(uint32_t)); 890 return size; 891 } 892 893 /* 894 * Like ieee80211_hdrspace, but handles any type of frame. 895 */ 896 static __inline int 897 ieee80211_anyhdrspace(struct ieee80211com *ic, const void *data) 898 { 899 int size = ieee80211_anyhdrsize(data); 900 if (ic->ic_flags & IEEE80211_F_DATAPAD) 901 size = roundup(size, sizeof(uint32_t)); 902 return size; 903 } 904 905 /* 906 * Notify a vap that beacon state has been updated. 907 */ 908 static __inline void 909 ieee80211_beacon_notify(struct ieee80211vap *vap, int what) 910 { 911 if (vap->iv_state == IEEE80211_S_RUN) 912 vap->iv_update_beacon(vap, what); 913 } 914 915 /* 916 * Calculate HT channel promotion flags for a channel. 917 * XXX belongs in ieee80211_ht.h but needs IEEE80211_FHT_* 918 */ 919 static __inline int 920 ieee80211_htchanflags(const struct ieee80211_channel *c) 921 { 922 return IEEE80211_IS_CHAN_HT40(c) ? 923 IEEE80211_FHT_HT | IEEE80211_FHT_USEHT40 : 924 IEEE80211_IS_CHAN_HT(c) ? IEEE80211_FHT_HT : 0; 925 } 926 927 /* 928 * Calculate VHT channel promotion flags for a channel. 929 * XXX belongs in ieee80211_vht.h but needs IEEE80211_FVHT_* 930 */ 931 static __inline int 932 ieee80211_vhtchanflags(const struct ieee80211_channel *c) 933 { 934 935 if (IEEE80211_IS_CHAN_VHT80P80(c)) 936 return IEEE80211_FVHT_USEVHT80P80; 937 if (IEEE80211_IS_CHAN_VHT160(c)) 938 return IEEE80211_FVHT_USEVHT160; 939 if (IEEE80211_IS_CHAN_VHT80(c)) 940 return IEEE80211_FVHT_USEVHT80; 941 if (IEEE80211_IS_CHAN_VHT40(c)) 942 return IEEE80211_FVHT_USEVHT40; 943 if (IEEE80211_IS_CHAN_VHT(c)) 944 return IEEE80211_FVHT_VHT; 945 return (0); 946 } 947 948 /* 949 * Fetch the current TX power (cap) for the given node. 950 * 951 * This includes the node and ic/vap TX power limit as needed, 952 * but it doesn't take into account any per-rate limit. 953 */ 954 static __inline uint16_t 955 ieee80211_get_node_txpower(struct ieee80211_node *ni) 956 { 957 struct ieee80211com *ic = ni->ni_ic; 958 uint16_t txpower; 959 960 txpower = ni->ni_txpower; 961 txpower = MIN(txpower, ic->ic_txpowlimit); 962 if (ic->ic_curchan != NULL) { 963 txpower = MIN(txpower, 2 * ic->ic_curchan->ic_maxregpower); 964 txpower = MIN(txpower, ic->ic_curchan->ic_maxpower); 965 } 966 967 return (txpower); 968 } 969 970 /* 971 * Debugging facilities compiled in when IEEE80211_DEBUG is defined. 972 * 973 * The intent is that any problem in the net80211 layer can be 974 * diagnosed by inspecting the statistics (dumped by the wlanstats 975 * program) and/or the msgs generated by net80211. Messages are 976 * broken into functional classes and can be controlled with the 977 * wlandebug program. Certain of these msg groups are for facilities 978 * that are no longer part of net80211 (e.g. IEEE80211_MSG_DOT1XSM). 979 */ 980 #define IEEE80211_MSG_11N 0x80000000 /* 11n mode debug */ 981 #define IEEE80211_MSG_DEBUG 0x40000000 /* IFF_DEBUG equivalent */ 982 #define IEEE80211_MSG_DUMPPKTS 0x20000000 /* IFF_LINK2 equivalant */ 983 #define IEEE80211_MSG_CRYPTO 0x10000000 /* crypto work */ 984 #define IEEE80211_MSG_INPUT 0x08000000 /* input handling */ 985 #define IEEE80211_MSG_XRATE 0x04000000 /* rate set handling */ 986 #define IEEE80211_MSG_ELEMID 0x02000000 /* element id parsing */ 987 #define IEEE80211_MSG_NODE 0x01000000 /* node handling */ 988 #define IEEE80211_MSG_ASSOC 0x00800000 /* association handling */ 989 #define IEEE80211_MSG_AUTH 0x00400000 /* authentication handling */ 990 #define IEEE80211_MSG_SCAN 0x00200000 /* scanning */ 991 #define IEEE80211_MSG_OUTPUT 0x00100000 /* output handling */ 992 #define IEEE80211_MSG_STATE 0x00080000 /* state machine */ 993 #define IEEE80211_MSG_POWER 0x00040000 /* power save handling */ 994 #define IEEE80211_MSG_HWMP 0x00020000 /* hybrid mesh protocol */ 995 #define IEEE80211_MSG_DOT1XSM 0x00010000 /* 802.1x state machine */ 996 #define IEEE80211_MSG_RADIUS 0x00008000 /* 802.1x radius client */ 997 #define IEEE80211_MSG_RADDUMP 0x00004000 /* dump 802.1x radius packets */ 998 #define IEEE80211_MSG_MESH 0x00002000 /* mesh networking */ 999 #define IEEE80211_MSG_WPA 0x00001000 /* WPA/RSN protocol */ 1000 #define IEEE80211_MSG_ACL 0x00000800 /* ACL handling */ 1001 #define IEEE80211_MSG_WME 0x00000400 /* WME protocol */ 1002 #define IEEE80211_MSG_SUPERG 0x00000200 /* Atheros SuperG protocol */ 1003 #define IEEE80211_MSG_DOTH 0x00000100 /* 802.11h support */ 1004 #define IEEE80211_MSG_INACT 0x00000080 /* inactivity handling */ 1005 #define IEEE80211_MSG_ROAM 0x00000040 /* sta-mode roaming */ 1006 #define IEEE80211_MSG_RATECTL 0x00000020 /* tx rate control */ 1007 #define IEEE80211_MSG_ACTION 0x00000010 /* action frame handling */ 1008 #define IEEE80211_MSG_WDS 0x00000008 /* WDS handling */ 1009 #define IEEE80211_MSG_IOCTL 0x00000004 /* ioctl handling */ 1010 #define IEEE80211_MSG_TDMA 0x00000002 /* TDMA handling */ 1011 1012 #define IEEE80211_MSG_ANY 0xffffffff /* anything */ 1013 1014 #define IEEE80211_MSG_BITS \ 1015 "\20\2TDMA\3IOCTL\4WDS\5ACTION\6RATECTL\7ROAM\10INACT\11DOTH\12SUPERG" \ 1016 "\13WME\14ACL\15WPA\16RADKEYS\17RADDUMP\20RADIUS\21DOT1XSM\22HWMP" \ 1017 "\23POWER\24STATE\25OUTPUT\26SCAN\27AUTH\30ASSOC\31NODE\32ELEMID" \ 1018 "\33XRATE\34INPUT\35CRYPTO\36DUPMPKTS\37DEBUG\04011N" 1019 1020 /* Helper macros unified. */ 1021 #define _IEEE80211_MASKSHIFT(_v, _f) (((_v) & _f) >> _f##_S) 1022 #define _IEEE80211_SHIFTMASK(_v, _f) (((_v) << _f##_S) & _f) 1023 1024 #ifdef IEEE80211_DEBUG 1025 #define ieee80211_msg(_vap, _m) ((_vap)->iv_debug & (_m)) 1026 #define IEEE80211_DPRINTF(_vap, _m, _fmt, ...) do { \ 1027 if (ieee80211_msg(_vap, _m)) \ 1028 ieee80211_note(_vap, _fmt, __VA_ARGS__); \ 1029 } while (0) 1030 #define IEEE80211_NOTE(_vap, _m, _ni, _fmt, ...) do { \ 1031 if (ieee80211_msg(_vap, _m)) \ 1032 ieee80211_note_mac(_vap, (_ni)->ni_macaddr, _fmt, __VA_ARGS__);\ 1033 } while (0) 1034 #define IEEE80211_NOTE_MAC(_vap, _m, _mac, _fmt, ...) do { \ 1035 if (ieee80211_msg(_vap, _m)) \ 1036 ieee80211_note_mac(_vap, _mac, _fmt, __VA_ARGS__); \ 1037 } while (0) 1038 #define IEEE80211_NOTE_FRAME(_vap, _m, _wh, _fmt, ...) do { \ 1039 if (ieee80211_msg(_vap, _m)) \ 1040 ieee80211_note_frame(_vap, _wh, _fmt, __VA_ARGS__); \ 1041 } while (0) 1042 void ieee80211_note(const struct ieee80211vap *, const char *, ...); 1043 void ieee80211_note_mac(const struct ieee80211vap *, 1044 const uint8_t mac[IEEE80211_ADDR_LEN], const char *, ...); 1045 void ieee80211_note_frame(const struct ieee80211vap *, 1046 const struct ieee80211_frame *, const char *, ...); 1047 #define ieee80211_msg_debug(_vap) \ 1048 ((_vap)->iv_debug & IEEE80211_MSG_DEBUG) 1049 #define ieee80211_msg_dumppkts(_vap) \ 1050 ((_vap)->iv_debug & IEEE80211_MSG_DUMPPKTS) 1051 #define ieee80211_msg_input(_vap) \ 1052 ((_vap)->iv_debug & IEEE80211_MSG_INPUT) 1053 #define ieee80211_msg_radius(_vap) \ 1054 ((_vap)->iv_debug & IEEE80211_MSG_RADIUS) 1055 #define ieee80211_msg_dumpradius(_vap) \ 1056 ((_vap)->iv_debug & IEEE80211_MSG_RADDUMP) 1057 #define ieee80211_msg_dumpradkeys(_vap) \ 1058 ((_vap)->iv_debug & IEEE80211_MSG_RADKEYS) 1059 #define ieee80211_msg_scan(_vap) \ 1060 ((_vap)->iv_debug & IEEE80211_MSG_SCAN) 1061 #define ieee80211_msg_assoc(_vap) \ 1062 ((_vap)->iv_debug & IEEE80211_MSG_ASSOC) 1063 1064 /* 1065 * Emit a debug message about discarding a frame or information 1066 * element. One format is for extracting the mac address from 1067 * the frame header; the other is for when a header is not 1068 * available or otherwise appropriate. 1069 */ 1070 #define IEEE80211_DISCARD(_vap, _m, _wh, _type, _fmt, ...) do { \ 1071 if ((_vap)->iv_debug & (_m)) \ 1072 ieee80211_discard_frame(_vap, _wh, _type, _fmt, __VA_ARGS__);\ 1073 } while (0) 1074 #define IEEE80211_DISCARD_IE(_vap, _m, _wh, _type, _fmt, ...) do { \ 1075 if ((_vap)->iv_debug & (_m)) \ 1076 ieee80211_discard_ie(_vap, _wh, _type, _fmt, __VA_ARGS__);\ 1077 } while (0) 1078 #define IEEE80211_DISCARD_MAC(_vap, _m, _mac, _type, _fmt, ...) do { \ 1079 if ((_vap)->iv_debug & (_m)) \ 1080 ieee80211_discard_mac(_vap, _mac, _type, _fmt, __VA_ARGS__);\ 1081 } while (0) 1082 1083 void ieee80211_discard_frame(const struct ieee80211vap *, 1084 const struct ieee80211_frame *, const char *type, const char *fmt, ...); 1085 void ieee80211_discard_ie(const struct ieee80211vap *, 1086 const struct ieee80211_frame *, const char *type, const char *fmt, ...); 1087 void ieee80211_discard_mac(const struct ieee80211vap *, 1088 const uint8_t mac[IEEE80211_ADDR_LEN], const char *type, 1089 const char *fmt, ...); 1090 #else 1091 #define IEEE80211_DPRINTF(_vap, _m, _fmt, ...) 1092 #define IEEE80211_NOTE(_vap, _m, _ni, _fmt, ...) 1093 #define IEEE80211_NOTE_FRAME(_vap, _m, _wh, _fmt, ...) 1094 #define IEEE80211_NOTE_MAC(_vap, _m, _mac, _fmt, ...) 1095 #define ieee80211_msg_dumppkts(_vap) 0 1096 #define ieee80211_msg(_vap, _m) 0 1097 1098 #define IEEE80211_DISCARD(_vap, _m, _wh, _type, _fmt, ...) 1099 #define IEEE80211_DISCARD_IE(_vap, _m, _wh, _type, _fmt, ...) 1100 #define IEEE80211_DISCARD_MAC(_vap, _m, _mac, _type, _fmt, ...) 1101 #endif 1102 1103 #endif /* _NET80211_IEEE80211_VAR_H_ */ 1104