ieee80211_var.h revision 1.33.2.5
1 /* $NetBSD: ieee80211_var.h,v 1.33.2.5 2018/07/20 20:33:05 phil Exp $ */ 2 3 /*- 4 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 5 * 6 * Copyright (c) 2001 Atsushi Onoe 7 * Copyright (c) 2002-2009 Sam Leffler, Errno Consulting 8 * All rights reserved. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 20 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 21 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 22 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 23 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 24 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 28 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 * 30 * $FreeBSD$ 31 */ 32 #ifndef _NET80211_IEEE80211_VAR_H_ 33 #define _NET80211_IEEE80211_VAR_H_ 34 35 /* 36 * Definitions for IEEE 802.11 drivers. 37 */ 38 /* NB: portability glue must go first */ 39 #if defined(__NetBSD__) 40 #include <net80211/ieee80211_netbsd.h> 41 #elif defined(__FreeBSD__) 42 #include <net80211/ieee80211_freebsd.h> 43 #elif defined(__linux__) 44 #include <net80211/ieee80211_linux.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[]; /* 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 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 #ifdef __NetBSD__ 150 struct ifqueue ic_mgtq; /* NNN Needed? */ 151 #endif 152 struct taskqueue *ic_tq; /* deferred state thread */ 153 struct task ic_parent_task; /* deferred parent processing */ 154 struct task ic_promisc_task;/* deferred promisc update */ 155 struct task ic_mcast_task; /* deferred mcast update */ 156 struct task ic_chan_task; /* deferred channel change */ 157 struct task ic_bmiss_task; /* deferred beacon miss hndlr */ 158 struct task ic_chw_task; /* deferred HT CHW update */ 159 struct task ic_restart_task; /* deferred device restart */ 160 161 counter_u64_t ic_ierrors; /* input errors */ 162 counter_u64_t ic_oerrors; /* output errors */ 163 164 uint32_t ic_flags; /* state flags */ 165 uint32_t ic_flags_ext; /* extended state flags */ 166 uint32_t ic_flags_ht; /* HT state flags */ 167 uint32_t ic_flags_ven; /* vendor state flags */ 168 uint32_t ic_caps; /* capabilities */ 169 uint32_t ic_htcaps; /* HT capabilities */ 170 uint32_t ic_htextcaps; /* HT extended capabilities */ 171 uint32_t ic_cryptocaps; /* crypto capabilities */ 172 /* set of mode capabilities */ 173 uint8_t ic_modecaps[IEEE80211_MODE_BYTES]; 174 uint8_t ic_promisc; /* vap's needing promisc mode */ 175 uint8_t ic_allmulti; /* vap's needing all multicast*/ 176 uint8_t ic_nrunning; /* vap's marked running */ 177 uint8_t ic_curmode; /* current mode */ 178 uint8_t ic_macaddr[IEEE80211_ADDR_LEN]; 179 uint16_t ic_bintval; /* beacon interval */ 180 uint16_t ic_lintval; /* listen interval */ 181 uint16_t ic_holdover; /* PM hold over duration */ 182 uint16_t ic_txpowlimit; /* global tx power limit */ 183 struct ieee80211_rateset ic_sup_rates[IEEE80211_MODE_MAX]; 184 struct ieee80211_htrateset ic_sup_htrates; 185 186 /* 187 * Channel state: 188 * 189 * ic_channels is the set of available channels for the device; 190 * it is setup by the driver 191 * ic_nchans is the number of valid entries in ic_channels 192 * ic_chan_avail is a bit vector of these channels used to check 193 * whether a channel is available w/o searching the channel table. 194 * ic_chan_active is a (potentially) constrained subset of 195 * ic_chan_avail that reflects any mode setting or user-specified 196 * limit on the set of channels to use/scan 197 * ic_curchan is the current channel the device is set to; it may 198 * be different from ic_bsschan when we are off-channel scanning 199 * or otherwise doing background work 200 * ic_bsschan is the channel selected for operation; it may 201 * be undefined (IEEE80211_CHAN_ANYC) 202 * ic_prevchan is a cached ``previous channel'' used to optimize 203 * lookups when switching back+forth between two channels 204 * (e.g. for dynamic turbo) 205 */ 206 int ic_nchans; /* # entries in ic_channels */ 207 struct ieee80211_channel ic_channels[IEEE80211_CHAN_MAX]; 208 uint8_t ic_chan_avail[IEEE80211_CHAN_BYTES]; 209 uint8_t ic_chan_active[IEEE80211_CHAN_BYTES]; 210 uint8_t ic_chan_scan[IEEE80211_CHAN_BYTES]; 211 struct ieee80211_channel *ic_curchan; /* current channel */ 212 const struct ieee80211_rate_table *ic_rt; /* table for ic_curchan */ 213 struct ieee80211_channel *ic_bsschan; /* bss channel */ 214 struct ieee80211_channel *ic_prevchan; /* previous channel */ 215 struct ieee80211_regdomain ic_regdomain;/* regulatory data */ 216 struct ieee80211_appie *ic_countryie; /* calculated country ie */ 217 struct ieee80211_channel *ic_countryie_chan; 218 219 /* 802.11h/DFS state */ 220 struct ieee80211_channel *ic_csa_newchan;/* channel for doing CSA */ 221 short ic_csa_mode; /* mode for doing CSA */ 222 short ic_csa_count; /* count for doing CSA */ 223 struct ieee80211_dfs_state ic_dfs; /* DFS state */ 224 225 struct ieee80211_scan_state *ic_scan; /* scan state */ 226 struct ieee80211_scan_methods *ic_scan_methods; /* scan methods */ 227 int ic_lastdata; /* time of last data frame */ 228 int ic_lastscan; /* time last scan completed */ 229 230 /* NB: this is the union of all vap stations/neighbors */ 231 int ic_max_keyix; /* max h/w key index */ 232 struct ieee80211_node_table ic_sta; /* stations/neighbors */ 233 struct ieee80211_ageq ic_stageq; /* frame staging queue */ 234 uint32_t ic_hash_key; /* random key for mac hash */ 235 236 /* XXX multi-bss: split out common/vap parts */ 237 struct ieee80211_wme_state ic_wme; /* WME/WMM state */ 238 239 /* XXX multi-bss: can per-vap be done/make sense? */ 240 enum ieee80211_protmode ic_protmode; /* 802.11g protection mode */ 241 uint16_t ic_nonerpsta; /* # non-ERP stations */ 242 uint16_t ic_longslotsta; /* # long slot time stations */ 243 uint16_t ic_sta_assoc; /* stations associated */ 244 uint16_t ic_ht_sta_assoc;/* HT stations associated */ 245 uint16_t ic_ht40_sta_assoc;/* HT40 stations associated */ 246 uint8_t ic_curhtprotmode;/* HTINFO bss state */ 247 enum ieee80211_protmode ic_htprotmode; /* HT protection mode */ 248 int ic_lastnonerp; /* last time non-ERP sta noted*/ 249 int ic_lastnonht; /* last time non-HT sta noted */ 250 uint8_t ic_rxstream; /* # RX streams */ 251 uint8_t ic_txstream; /* # TX streams */ 252 253 /* VHT information */ 254 uint32_t ic_vhtcaps; /* VHT capabilities */ 255 uint32_t ic_vhtextcaps; /* VHT extended capabilities (TODO) */ 256 struct ieee80211_vht_mcs_info ic_vht_mcsinfo; /* Support TX/RX VHT MCS */ 257 uint32_t ic_flags_vht; /* VHT state flags */ 258 uint32_t ic_vht_spare[3]; 259 260 /* optional state for Atheros SuperG protocol extensions */ 261 struct ieee80211_superg *ic_superg; 262 263 /* radiotap handling */ 264 struct ieee80211_radiotap_header *ic_th;/* tx radiotap headers */ 265 void *ic_txchan; /* channel state in ic_th */ 266 struct ieee80211_radiotap_header *ic_rh;/* rx radiotap headers */ 267 void *ic_rxchan; /* channel state in ic_rh */ 268 int ic_montaps; /* active monitor mode taps */ 269 270 /* virtual ap create/delete */ 271 struct ieee80211vap* (*ic_vap_create)(struct ieee80211com *, 272 const char [IFNAMSIZ], int, 273 enum ieee80211_opmode, int, 274 const uint8_t [IEEE80211_ADDR_LEN], 275 const uint8_t [IEEE80211_ADDR_LEN]); 276 void (*ic_vap_delete)(struct ieee80211vap *); 277 /* device specific ioctls */ 278 int (*ic_ioctl)(struct ieee80211com *, 279 u_long, void *); 280 /* start/stop device */ 281 void (*ic_parent)(struct ieee80211com *); 282 /* operating mode attachment */ 283 ieee80211vap_attach ic_vattach[IEEE80211_OPMODE_MAX]; 284 /* return hardware/radio capabilities */ 285 void (*ic_getradiocaps)(struct ieee80211com *, 286 int, int *, struct ieee80211_channel []); 287 /* check and/or prepare regdomain state change */ 288 int (*ic_setregdomain)(struct ieee80211com *, 289 struct ieee80211_regdomain *, 290 int, struct ieee80211_channel []); 291 292 int (*ic_set_quiet)(struct ieee80211_node *, 293 u_int8_t *quiet_elm); 294 295 /* regular transmit */ 296 int (*ic_transmit)(struct ieee80211com *, 297 struct mbuf *); 298 /* send/recv 802.11 management frame */ 299 int (*ic_send_mgmt)(struct ieee80211_node *, 300 int, int); 301 /* send raw 802.11 frame */ 302 int (*ic_raw_xmit)(struct ieee80211_node *, 303 struct mbuf *, 304 const struct ieee80211_bpf_params *); 305 /* update device state for 802.11 slot time change */ 306 void (*ic_updateslot)(struct ieee80211com *); 307 /* handle multicast state changes */ 308 void (*ic_update_mcast)(struct ieee80211com *); 309 /* handle promiscuous mode changes */ 310 void (*ic_update_promisc)(struct ieee80211com *); 311 /* new station association callback/notification */ 312 void (*ic_newassoc)(struct ieee80211_node *, int); 313 /* TDMA update notification */ 314 void (*ic_tdma_update)(struct ieee80211_node *, 315 const struct ieee80211_tdma_param *, int); 316 /* node state management */ 317 struct ieee80211_node* (*ic_node_alloc)(struct ieee80211vap *, 318 const uint8_t [IEEE80211_ADDR_LEN]); 319 void (*ic_node_free)(struct ieee80211_node *); 320 void (*ic_node_cleanup)(struct ieee80211_node *); 321 void (*ic_node_age)(struct ieee80211_node *); 322 void (*ic_node_drain)(struct ieee80211_node *); 323 int8_t (*ic_node_getrssi)(const struct ieee80211_node*); 324 void (*ic_node_getsignal)(const struct ieee80211_node*, 325 int8_t *, int8_t *); 326 void (*ic_node_getmimoinfo)( 327 const struct ieee80211_node*, 328 struct ieee80211_mimo_info *); 329 /* scanning support */ 330 void (*ic_scan_start)(struct ieee80211com *); 331 void (*ic_scan_end)(struct ieee80211com *); 332 void (*ic_set_channel)(struct ieee80211com *); 333 void (*ic_scan_curchan)(struct ieee80211_scan_state *, 334 unsigned long); 335 void (*ic_scan_mindwell)(struct ieee80211_scan_state *); 336 337 /* 338 * 802.11n ADDBA support. A simple/generic implementation 339 * of A-MPDU tx aggregation is provided; the driver may 340 * override these methods to provide their own support. 341 * A-MPDU rx re-ordering happens automatically if the 342 * driver passes out-of-order frames to ieee80211_input 343 * from an assocated HT station. 344 */ 345 int (*ic_recv_action)(struct ieee80211_node *, 346 const struct ieee80211_frame *, 347 const uint8_t *frm, const uint8_t *efrm); 348 int (*ic_send_action)(struct ieee80211_node *, 349 int category, int action, void *); 350 /* check if A-MPDU should be enabled this station+ac */ 351 int (*ic_ampdu_enable)(struct ieee80211_node *, 352 struct ieee80211_tx_ampdu *); 353 /* start/stop doing A-MPDU tx aggregation for a station */ 354 int (*ic_addba_request)(struct ieee80211_node *, 355 struct ieee80211_tx_ampdu *, 356 int dialogtoken, int baparamset, 357 int batimeout); 358 int (*ic_addba_response)(struct ieee80211_node *, 359 struct ieee80211_tx_ampdu *, 360 int status, int baparamset, int batimeout); 361 void (*ic_addba_stop)(struct ieee80211_node *, 362 struct ieee80211_tx_ampdu *); 363 void (*ic_addba_response_timeout)(struct ieee80211_node *, 364 struct ieee80211_tx_ampdu *); 365 /* BAR response received */ 366 void (*ic_bar_response)(struct ieee80211_node *, 367 struct ieee80211_tx_ampdu *, int status); 368 /* start/stop doing A-MPDU rx processing for a station */ 369 int (*ic_ampdu_rx_start)(struct ieee80211_node *, 370 struct ieee80211_rx_ampdu *, int baparamset, 371 int batimeout, int baseqctl); 372 void (*ic_ampdu_rx_stop)(struct ieee80211_node *, 373 struct ieee80211_rx_ampdu *); 374 375 /* The channel width has changed (20<->2040) */ 376 void (*ic_update_chw)(struct ieee80211com *); 377 378 uint64_t ic_spare[7]; 379 }; 380 381 struct ieee80211_aclator; 382 struct ieee80211_tdma_state; 383 struct ieee80211_mesh_state; 384 struct ieee80211_hwmp_state; 385 386 struct ieee80211vap { 387 struct ifmedia iv_media; /* interface media config */ 388 struct ifnet *iv_ifp; /* associated device */ 389 struct bpf_if *iv_rawbpf; /* packet filter structure */ 390 #if __FreeBSD__ 391 struct sysctl_ctx_list *iv_sysctl; /* dynamic sysctl context */ 392 struct sysctl_oid *iv_oid; /* net.wlan.X sysctl oid */ 393 #elif __NetBSD__ 394 struct sysctllog *iv_sysctllog; /* for destroying sysctl tree */ 395 #endif 396 397 TAILQ_ENTRY(ieee80211vap) iv_next; /* list of vap instances */ 398 struct ieee80211com *iv_ic; /* back ptr to common state */ 399 /* MAC address: ifp or ic */ 400 uint8_t iv_myaddr[IEEE80211_ADDR_LEN]; 401 uint32_t iv_debug; /* debug msg flags */ 402 struct ieee80211_stats iv_stats; /* statistics */ 403 404 uint32_t iv_flags; /* state flags */ 405 uint32_t iv_flags_ext; /* extended state flags */ 406 uint32_t iv_flags_ht; /* HT state flags */ 407 uint32_t iv_flags_ven; /* vendor state flags */ 408 uint32_t iv_ifflags; /* ifnet flags */ 409 uint32_t iv_caps; /* capabilities */ 410 uint32_t iv_htcaps; /* HT capabilities */ 411 uint32_t iv_htextcaps; /* HT extended capabilities */ 412 enum ieee80211_opmode iv_opmode; /* operation mode */ 413 enum ieee80211_state iv_state; /* state machine state */ 414 enum ieee80211_state iv_nstate; /* pending state */ 415 int iv_nstate_arg; /* pending state arg */ 416 struct task iv_nstate_task; /* deferred state processing */ 417 struct task iv_swbmiss_task;/* deferred iv_bmiss call */ 418 struct callout iv_mgtsend; /* mgmt frame response timer */ 419 /* inactivity timer settings */ 420 int iv_inact_init; /* setting for new station */ 421 int iv_inact_auth; /* auth but not assoc setting */ 422 int iv_inact_run; /* authorized setting */ 423 int iv_inact_probe; /* inactive probe time */ 424 425 /* VHT flags */ 426 uint32_t iv_flags_vht; /* VHT state flags */ 427 uint32_t iv_vhtcaps; /* VHT capabilities */ 428 uint32_t iv_vhtextcaps; /* VHT extended capabilities (TODO) */ 429 struct ieee80211_vht_mcs_info iv_vht_mcsinfo; 430 uint32_t iv_vht_spare[4]; 431 432 int iv_des_nssid; /* # desired ssids */ 433 struct ieee80211_scan_ssid iv_des_ssid[1];/* desired ssid table */ 434 uint8_t iv_des_bssid[IEEE80211_ADDR_LEN]; 435 struct ieee80211_channel *iv_des_chan; /* desired channel */ 436 uint16_t iv_des_mode; /* desired mode */ 437 int iv_nicknamelen; /* XXX junk */ 438 uint8_t iv_nickname[IEEE80211_NWID_LEN]; 439 u_int iv_bgscanidle; /* bg scan idle threshold */ 440 u_int iv_bgscanintvl; /* bg scan min interval */ 441 u_int iv_scanvalid; /* scan cache valid threshold */ 442 u_int iv_scanreq_duration; 443 u_int iv_scanreq_mindwell; 444 u_int iv_scanreq_maxdwell; 445 uint16_t iv_scanreq_flags;/* held scan request params */ 446 uint8_t iv_scanreq_nssid; 447 struct ieee80211_scan_ssid iv_scanreq_ssid[IEEE80211_SCAN_MAX_SSID]; 448 /* sta-mode roaming state */ 449 enum ieee80211_roamingmode iv_roaming; /* roaming mode */ 450 struct ieee80211_roamparam iv_roamparms[IEEE80211_MODE_MAX]; 451 452 uint8_t iv_bmissthreshold; 453 uint8_t iv_bmiss_count; /* current beacon miss count */ 454 int iv_bmiss_max; /* max bmiss before scan */ 455 uint16_t iv_swbmiss_count;/* beacons in last period */ 456 uint16_t iv_swbmiss_period;/* s/w bmiss period */ 457 struct callout iv_swbmiss; /* s/w beacon miss timer */ 458 459 int iv_ampdu_rxmax; /* A-MPDU rx limit (bytes) */ 460 int iv_ampdu_density;/* A-MPDU density */ 461 int iv_ampdu_limit; /* A-MPDU tx limit (bytes) */ 462 int iv_amsdu_limit; /* A-MSDU tx limit (bytes) */ 463 u_int iv_ampdu_mintraffic[WME_NUM_AC]; 464 465 struct ieee80211_beacon_offsets iv_bcn_off; 466 uint32_t *iv_aid_bitmap; /* association id map */ 467 uint16_t iv_max_aid; 468 uint16_t iv_sta_assoc; /* stations associated */ 469 uint16_t iv_ps_sta; /* stations in power save */ 470 uint16_t iv_ps_pending; /* ps sta's w/ pending frames */ 471 uint16_t iv_txseq; /* mcast xmit seq# space */ 472 uint16_t iv_tim_len; /* ic_tim_bitmap size (bytes) */ 473 uint8_t *iv_tim_bitmap; /* power-save stations w/ data*/ 474 uint8_t iv_dtim_period; /* DTIM period */ 475 uint8_t iv_dtim_count; /* DTIM count from last bcn */ 476 /* set/unset aid pwrsav state */ 477 uint8_t iv_quiet; /* Quiet Element */ 478 uint8_t iv_quiet_count; /* constant count for Quiet Element */ 479 uint8_t iv_quiet_count_value; /* variable count for Quiet Element */ 480 uint8_t iv_quiet_period; /* period for Quiet Element */ 481 uint16_t iv_quiet_duration; /* duration for Quiet Element */ 482 uint16_t iv_quiet_offset; /* offset for Quiet Element */ 483 int iv_csa_count; /* count for doing CSA */ 484 485 struct ieee80211_node *iv_bss; /* information for this node */ 486 struct ieee80211_txparam iv_txparms[IEEE80211_MODE_MAX]; 487 uint16_t iv_rtsthreshold; 488 uint16_t iv_fragthreshold; 489 int iv_inact_timer; /* inactivity timer wait */ 490 /* application-specified IE's to attach to mgt frames */ 491 struct ieee80211_appie *iv_appie_beacon; 492 struct ieee80211_appie *iv_appie_probereq; 493 struct ieee80211_appie *iv_appie_proberesp; 494 struct ieee80211_appie *iv_appie_assocreq; 495 struct ieee80211_appie *iv_appie_assocresp; 496 struct ieee80211_appie *iv_appie_wpa; 497 uint8_t *iv_wpa_ie; 498 uint8_t *iv_rsn_ie; 499 500 /* Key management */ 501 uint16_t iv_max_keyix; /* max h/w key index */ 502 ieee80211_keyix iv_def_txkey; /* default/group tx key index */ 503 struct ieee80211_key iv_nw_keys[IEEE80211_WEP_NKID]; 504 int (*iv_key_alloc)(struct ieee80211vap *, 505 struct ieee80211_key *, 506 ieee80211_keyix *, ieee80211_keyix *); 507 int (*iv_key_delete)(struct ieee80211vap *, 508 const struct ieee80211_key *); 509 int (*iv_key_set)(struct ieee80211vap *, 510 const struct ieee80211_key *); 511 void (*iv_key_update_begin)(struct ieee80211vap *); 512 void (*iv_key_update_end)(struct ieee80211vap *); 513 void (*iv_update_deftxkey)(struct ieee80211vap *, 514 ieee80211_keyix deftxkey); 515 516 const struct ieee80211_authenticator *iv_auth; /* authenticator glue */ 517 void *iv_ec; /* private auth state */ 518 519 const struct ieee80211_aclator *iv_acl; /* acl glue */ 520 void *iv_as; /* private aclator state */ 521 522 const struct ieee80211_ratectl *iv_rate; 523 void *iv_rs; /* private ratectl state */ 524 525 struct ieee80211_tdma_state *iv_tdma; /* tdma state */ 526 struct ieee80211_mesh_state *iv_mesh; /* MBSS state */ 527 struct ieee80211_hwmp_state *iv_hwmp; /* HWMP state */ 528 529 /* operate-mode detach hook */ 530 void (*iv_opdetach)(struct ieee80211vap *); 531 /* receive processing */ 532 int (*iv_input)(struct ieee80211_node *, 533 struct mbuf *, 534 const struct ieee80211_rx_stats *, 535 int, int); 536 void (*iv_recv_mgmt)(struct ieee80211_node *, 537 struct mbuf *, int, 538 const struct ieee80211_rx_stats *, 539 int, int); 540 void (*iv_recv_ctl)(struct ieee80211_node *, 541 struct mbuf *, int); 542 void (*iv_deliver_data)(struct ieee80211vap *, 543 struct ieee80211_node *, struct mbuf *); 544 #if 0 545 /* send processing */ 546 int (*iv_send_mgmt)(struct ieee80211_node *, 547 int, int); 548 #endif 549 /* beacon miss processing */ 550 void (*iv_bmiss)(struct ieee80211vap *); 551 /* reset device state after 802.11 parameter/state change */ 552 int (*iv_reset)(struct ieee80211vap *, u_long); 553 /* [schedule] beacon frame update */ 554 void (*iv_update_beacon)(struct ieee80211vap *, int); 555 /* power save handling */ 556 void (*iv_update_ps)(struct ieee80211vap *, int); 557 int (*iv_set_tim)(struct ieee80211_node *, int); 558 void (*iv_node_ps)(struct ieee80211_node *, int); 559 void (*iv_sta_ps)(struct ieee80211vap *, int); 560 void (*iv_recv_pspoll)(struct ieee80211_node *, 561 struct mbuf *); 562 563 /* state machine processing */ 564 int (*iv_newstate)(struct ieee80211vap *, 565 enum ieee80211_state, int); 566 /* 802.3 output method for raw frame xmit */ 567 #if __FreeBSD__ 568 int (*iv_output)(struct ifnet *, struct mbuf *, 569 const struct sockaddr *, struct route *); 570 #elif __NetBSD__ 571 int (*iv_output)(struct ifnet *, struct mbuf *, 572 const struct sockaddr *, 573 const struct rtentry *); 574 #endif 575 int (*iv_wme_update)(struct ieee80211vap *, 576 const struct wmeParams *wme_params); 577 struct task iv_wme_task; /* deferred VAP WME update */ 578 579 uint64_t iv_spare[6]; 580 }; 581 MALLOC_DECLARE(M_80211_VAP); 582 583 #define IEEE80211_ADDR_EQ(a1,a2) (memcmp(a1,a2,IEEE80211_ADDR_LEN) == 0) 584 #define IEEE80211_ADDR_COPY(dst,src) memcpy(dst,src,IEEE80211_ADDR_LEN) 585 586 /* ic_flags/iv_flags */ 587 #define IEEE80211_F_TURBOP 0x00000001 /* CONF: ATH Turbo enabled*/ 588 #define IEEE80211_F_COMP 0x00000002 /* CONF: ATH comp enabled */ 589 #define IEEE80211_F_FF 0x00000004 /* CONF: ATH FF enabled */ 590 #define IEEE80211_F_BURST 0x00000008 /* CONF: bursting enabled */ 591 /* NB: this is intentionally setup to be IEEE80211_CAPINFO_PRIVACY */ 592 #define IEEE80211_F_PRIVACY 0x00000010 /* CONF: privacy enabled */ 593 #define IEEE80211_F_PUREG 0x00000020 /* CONF: 11g w/o 11b sta's */ 594 #define IEEE80211_F_SCAN 0x00000080 /* STATUS: scanning */ 595 /* 0x00000300 reserved */ 596 /* NB: this is intentionally setup to be IEEE80211_CAPINFO_SHORT_SLOTTIME */ 597 #define IEEE80211_F_SHSLOT 0x00000400 /* STATUS: use short slot time*/ 598 #define IEEE80211_F_PMGTON 0x00000800 /* CONF: Power mgmt enable */ 599 #define IEEE80211_F_DESBSSID 0x00001000 /* CONF: des_bssid is set */ 600 #define IEEE80211_F_WME 0x00002000 /* CONF: enable WME use */ 601 #define IEEE80211_F_BGSCAN 0x00004000 /* CONF: bg scan enabled (???)*/ 602 #define IEEE80211_F_SWRETRY 0x00008000 /* CONF: sw tx retry enabled */ 603 /* 0x00030000 reserved */ 604 #define IEEE80211_F_SHPREAMBLE 0x00040000 /* STATUS: use short preamble */ 605 #define IEEE80211_F_DATAPAD 0x00080000 /* CONF: do alignment pad */ 606 #define IEEE80211_F_USEPROT 0x00100000 /* STATUS: protection enabled */ 607 #define IEEE80211_F_USEBARKER 0x00200000 /* STATUS: use barker preamble*/ 608 #define IEEE80211_F_CSAPENDING 0x00400000 /* STATUS: chan switch pending*/ 609 #define IEEE80211_F_WPA1 0x00800000 /* CONF: WPA enabled */ 610 #define IEEE80211_F_WPA2 0x01000000 /* CONF: WPA2 enabled */ 611 #define IEEE80211_F_WPA 0x01800000 /* CONF: WPA/WPA2 enabled */ 612 #define IEEE80211_F_DROPUNENC 0x02000000 /* CONF: drop unencrypted */ 613 #define IEEE80211_F_COUNTERM 0x04000000 /* CONF: TKIP countermeasures */ 614 #define IEEE80211_F_HIDESSID 0x08000000 /* CONF: hide SSID in beacon */ 615 #define IEEE80211_F_NOBRIDGE 0x10000000 /* CONF: dis. internal bridge */ 616 #define IEEE80211_F_PCF 0x20000000 /* CONF: PCF enabled */ 617 #define IEEE80211_F_DOTH 0x40000000 /* CONF: 11h enabled */ 618 #define IEEE80211_F_DWDS 0x80000000 /* CONF: Dynamic WDS enabled */ 619 620 #define IEEE80211_F_BITS \ 621 "\20\1TURBOP\2COMP\3FF\4BURST\5PRIVACY\6PUREG\10SCAN" \ 622 "\13SHSLOT\14PMGTON\15DESBSSID\16WME\17BGSCAN\20SWRETRY" \ 623 "\23SHPREAMBLE\24DATAPAD\25USEPROT\26USERBARKER\27CSAPENDING" \ 624 "\30WPA1\31WPA2\32DROPUNENC\33COUNTERM\34HIDESSID\35NOBRIDG\36PCF" \ 625 "\37DOTH\40DWDS" 626 627 /* Atheros protocol-specific flags */ 628 #define IEEE80211_F_ATHEROS \ 629 (IEEE80211_F_FF | IEEE80211_F_COMP | IEEE80211_F_TURBOP) 630 /* Check if an Atheros capability was negotiated for use */ 631 #define IEEE80211_ATH_CAP(vap, ni, bit) \ 632 ((vap)->iv_flags & (ni)->ni_ath_flags & (bit)) 633 634 /* ic_flags_ext/iv_flags_ext */ 635 #define IEEE80211_FEXT_INACT 0x00000002 /* CONF: sta inact handling */ 636 #define IEEE80211_FEXT_SCANWAIT 0x00000004 /* STATUS: awaiting scan */ 637 /* 0x00000006 reserved */ 638 #define IEEE80211_FEXT_BGSCAN 0x00000008 /* STATUS: complete bgscan */ 639 #define IEEE80211_FEXT_WPS 0x00000010 /* CONF: WPS enabled */ 640 #define IEEE80211_FEXT_TSN 0x00000020 /* CONF: TSN enabled */ 641 #define IEEE80211_FEXT_SCANREQ 0x00000040 /* STATUS: scan req params */ 642 #define IEEE80211_FEXT_RESUME 0x00000080 /* STATUS: start on resume */ 643 #define IEEE80211_FEXT_4ADDR 0x00000100 /* CONF: apply 4-addr encap */ 644 #define IEEE80211_FEXT_NONERP_PR 0x00000200 /* STATUS: non-ERP sta present*/ 645 #define IEEE80211_FEXT_SWBMISS 0x00000400 /* CONF: do bmiss in s/w */ 646 #define IEEE80211_FEXT_DFS 0x00000800 /* CONF: DFS enabled */ 647 #define IEEE80211_FEXT_DOTD 0x00001000 /* CONF: 11d enabled */ 648 #define IEEE80211_FEXT_STATEWAIT 0x00002000 /* STATUS: awaiting state chg */ 649 #define IEEE80211_FEXT_REINIT 0x00004000 /* STATUS: INIT state first */ 650 #define IEEE80211_FEXT_BPF 0x00008000 /* STATUS: BPF tap present */ 651 /* NB: immutable: should be set only when creating a vap */ 652 #define IEEE80211_FEXT_WDSLEGACY 0x00010000 /* CONF: legacy WDS operation */ 653 #define IEEE80211_FEXT_PROBECHAN 0x00020000 /* CONF: probe passive channel*/ 654 #define IEEE80211_FEXT_UNIQMAC 0x00040000 /* CONF: user or computed mac */ 655 #define IEEE80211_FEXT_SCAN_OFFLOAD 0x00080000 /* CONF: scan is fully offloaded */ 656 #define IEEE80211_FEXT_SEQNO_OFFLOAD 0x00100000 /* CONF: driver does seqno insertion/allocation */ 657 #define IEEE80211_FEXT_FRAG_OFFLOAD 0x00200000 /* CONF: hardware does 802.11 fragmentation + assignment */ 658 #define IEEE80211_FEXT_VHT 0x00400000 /* CONF: VHT support */ 659 #define IEEE80211_FEXT_QUIET_IE 0x00800000 /* STATUS: quiet IE in a beacon has been added */ 660 661 #define IEEE80211_FEXT_BITS \ 662 "\20\2INACT\3SCANWAIT\4BGSCAN\5WPS\6TSN\7SCANREQ\10RESUME" \ 663 "\0114ADDR\12NONEPR_PR\13SWBMISS\14DFS\15DOTD\16STATEWAIT\17REINIT" \ 664 "\20BPF\21WDSLEGACY\22PROBECHAN\23UNIQMAC\24SCAN_OFFLOAD\25SEQNO_OFFLOAD" \ 665 "\26VHT\27QUIET_IE" 666 667 /* ic_flags_ht/iv_flags_ht */ 668 #define IEEE80211_FHT_NONHT_PR 0x00000001 /* STATUS: non-HT sta present */ 669 #define IEEE80211_FHT_LDPC_TX 0x00010000 /* CONF: LDPC tx enabled */ 670 #define IEEE80211_FHT_LDPC_RX 0x00020000 /* CONF: LDPC rx enabled */ 671 #define IEEE80211_FHT_GF 0x00040000 /* CONF: Greenfield enabled */ 672 #define IEEE80211_FHT_HT 0x00080000 /* CONF: HT supported */ 673 #define IEEE80211_FHT_AMPDU_TX 0x00100000 /* CONF: A-MPDU tx supported */ 674 #define IEEE80211_FHT_AMPDU_RX 0x00200000 /* CONF: A-MPDU rx supported */ 675 #define IEEE80211_FHT_AMSDU_TX 0x00400000 /* CONF: A-MSDU tx supported */ 676 #define IEEE80211_FHT_AMSDU_RX 0x00800000 /* CONF: A-MSDU rx supported */ 677 #define IEEE80211_FHT_USEHT40 0x01000000 /* CONF: 20/40 use enabled */ 678 #define IEEE80211_FHT_PUREN 0x02000000 /* CONF: 11n w/o legacy sta's */ 679 #define IEEE80211_FHT_SHORTGI20 0x04000000 /* CONF: short GI in HT20 */ 680 #define IEEE80211_FHT_SHORTGI40 0x08000000 /* CONF: short GI in HT40 */ 681 #define IEEE80211_FHT_HTCOMPAT 0x10000000 /* CONF: HT vendor OUI's */ 682 #define IEEE80211_FHT_RIFS 0x20000000 /* CONF: RIFS enabled */ 683 #define IEEE80211_FHT_STBC_TX 0x40000000 /* CONF: STBC tx enabled */ 684 #define IEEE80211_FHT_STBC_RX 0x80000000 /* CONF: STBC rx enabled */ 685 686 #define IEEE80211_FHT_BITS \ 687 "\20\1NONHT_PR" \ 688 "\23GF\24HT\25AMPDU_TX\26AMPDU_TX" \ 689 "\27AMSDU_TX\30AMSDU_RX\31USEHT40\32PUREN\33SHORTGI20\34SHORTGI40" \ 690 "\35HTCOMPAT\36RIFS\37STBC_TX\40STBC_RX" 691 692 #define IEEE80211_FVEN_BITS "\20" 693 694 #define IEEE80211_FVHT_VHT 0x000000001 /* CONF: VHT supported */ 695 #define IEEE80211_FVHT_USEVHT40 0x000000002 /* CONF: Use VHT40 */ 696 #define IEEE80211_FVHT_USEVHT80 0x000000004 /* CONF: Use VHT80 */ 697 #define IEEE80211_FVHT_USEVHT80P80 0x000000008 /* CONF: Use VHT 80+80 */ 698 #define IEEE80211_FVHT_USEVHT160 0x000000010 /* CONF: Use VHT160 */ 699 #define IEEE80211_VFHT_BITS \ 700 "\20\1VHT\2VHT40\3VHT80\4VHT80P80\5VHT160" 701 702 #ifdef __FreeBSD__ 703 int ic_printf(struct ieee80211com *, const char *, ...) __printflike(2, 3); 704 #elif __NetBSD__ 705 void ic_printf(struct ieee80211com *, const char *, ...) __printflike(2, 3); 706 #endif 707 void ieee80211_ifattach(struct ieee80211com *); 708 void ieee80211_ifdetach(struct ieee80211com *); 709 int ieee80211_vap_setup(struct ieee80211com *, struct ieee80211vap *, 710 const char name[IFNAMSIZ], int unit, 711 enum ieee80211_opmode opmode, int flags, 712 const uint8_t bssid[IEEE80211_ADDR_LEN]); 713 int ieee80211_vap_attach(struct ieee80211vap *, 714 ifm_change_cb_t, ifm_stat_cb_t, 715 const uint8_t macaddr[IEEE80211_ADDR_LEN]); 716 void ieee80211_vap_detach(struct ieee80211vap *); 717 const struct ieee80211_rateset *ieee80211_get_suprates(struct ieee80211com *ic, 718 const struct ieee80211_channel *); 719 const struct ieee80211_htrateset *ieee80211_get_suphtrates( 720 struct ieee80211com *, const struct ieee80211_channel *); 721 void ieee80211_announce(struct ieee80211com *); 722 void ieee80211_announce_channels(struct ieee80211com *); 723 void ieee80211_drain(struct ieee80211com *); 724 void ieee80211_chan_init(struct ieee80211com *); 725 struct ieee80211com *ieee80211_find_vap(const uint8_t mac[IEEE80211_ADDR_LEN]); 726 struct ieee80211com *ieee80211_find_com(const char *name); 727 typedef void ieee80211_com_iter_func(void *, struct ieee80211com *); 728 void ieee80211_iterate_coms(ieee80211_com_iter_func *, void *); 729 int ieee80211_media_change(struct ifnet *); 730 void ieee80211_media_status(struct ifnet *, struct ifmediareq *); 731 int ieee80211_ioctl(struct ifnet *, u_long, caddr_t); 732 int ieee80211_rate2media(struct ieee80211com *, int, 733 enum ieee80211_phymode); 734 int ieee80211_media2rate(int); 735 int ieee80211_mhz2ieee(u_int, u_int); 736 int ieee80211_chan2ieee(struct ieee80211com *, 737 const struct ieee80211_channel *); 738 u_int ieee80211_ieee2mhz(u_int, u_int); 739 int ieee80211_add_channel(struct ieee80211_channel[], int, int *, 740 uint8_t, uint16_t, int8_t, uint32_t, const uint8_t[]); 741 int ieee80211_add_channel_ht40(struct ieee80211_channel[], int, int *, 742 uint8_t, int8_t, uint32_t); 743 uint32_t ieee80211_get_channel_center_freq(const struct ieee80211_channel *); 744 uint32_t ieee80211_get_channel_center_freq1(const struct ieee80211_channel *); 745 uint32_t ieee80211_get_channel_center_freq2(const struct ieee80211_channel *); 746 int ieee80211_add_channel_list_2ghz(struct ieee80211_channel[], int, int *, 747 const uint8_t[], int, const uint8_t[], int); 748 int ieee80211_add_channel_list_5ghz(struct ieee80211_channel[], int, int *, 749 const uint8_t[], int, const uint8_t[], int); 750 struct ieee80211_channel *ieee80211_find_channel(struct ieee80211com *, 751 int freq, int flags); 752 struct ieee80211_channel *ieee80211_find_channel_byieee(struct ieee80211com *, 753 int ieee, int flags); 754 struct ieee80211_channel *ieee80211_lookup_channel_rxstatus(struct ieee80211vap *, 755 const struct ieee80211_rx_stats *); 756 int ieee80211_setmode(struct ieee80211com *, enum ieee80211_phymode); 757 enum ieee80211_phymode ieee80211_chan2mode(const struct ieee80211_channel *); 758 uint32_t ieee80211_mac_hash(const struct ieee80211com *, 759 const uint8_t addr[IEEE80211_ADDR_LEN]); 760 char ieee80211_channel_type_char(const struct ieee80211_channel *c); 761 762 #define ieee80211_get_current_channel(_ic) ((_ic)->ic_curchan) 763 #define ieee80211_get_home_channel(_ic) ((_ic)->ic_bsschan) 764 #define ieee80211_get_vap_desired_channel(_iv) ((_iv)->iv_des_chan) 765 766 void ieee80211_radiotap_attach(struct ieee80211com *, 767 struct ieee80211_radiotap_header *th, int tlen, 768 uint32_t tx_radiotap, 769 struct ieee80211_radiotap_header *rh, int rlen, 770 uint32_t rx_radiotap); 771 void ieee80211_radiotap_attachv(struct ieee80211com *, 772 struct ieee80211_radiotap_header *th, 773 int tlen, int n_tx_v, uint32_t tx_radiotap, 774 struct ieee80211_radiotap_header *rh, 775 int rlen, int n_rx_v, uint32_t rx_radiotap); 776 void ieee80211_radiotap_detach(struct ieee80211com *); 777 void ieee80211_radiotap_vattach(struct ieee80211vap *); 778 void ieee80211_radiotap_vdetach(struct ieee80211vap *); 779 void ieee80211_radiotap_chan_change(struct ieee80211com *); 780 void ieee80211_radiotap_tx(struct ieee80211vap *, struct mbuf *); 781 void ieee80211_radiotap_rx(struct ieee80211vap *, struct mbuf *); 782 void ieee80211_radiotap_rx_all(struct ieee80211com *, struct mbuf *); 783 784 static __inline int 785 ieee80211_radiotap_active(const struct ieee80211com *ic) 786 { 787 return (ic->ic_flags_ext & IEEE80211_FEXT_BPF) != 0; 788 } 789 790 static __inline int 791 ieee80211_radiotap_active_vap(const struct ieee80211vap *vap) 792 { 793 return (vap->iv_flags_ext & IEEE80211_FEXT_BPF) || 794 vap->iv_ic->ic_montaps != 0; 795 } 796 797 /* 798 * Enqueue a task on the state thread. 799 */ 800 static __inline void 801 ieee80211_runtask(struct ieee80211com *ic, struct task *task) 802 { 803 taskqueue_enqueue(ic->ic_tq, task); 804 } 805 806 /* 807 * Wait for a queued task to complete. 808 */ 809 static __inline void 810 ieee80211_draintask(struct ieee80211com *ic, struct task *task) 811 { 812 taskqueue_drain(ic->ic_tq, task); 813 } 814 815 /* 816 * Key update synchronization methods. XXX should not be visible. 817 */ 818 static __inline void 819 ieee80211_key_update_begin(struct ieee80211vap *vap) 820 { 821 vap->iv_key_update_begin(vap); 822 } 823 static __inline void 824 ieee80211_key_update_end(struct ieee80211vap *vap) 825 { 826 vap->iv_key_update_end(vap); 827 } 828 829 /* 830 * XXX these need to be here for IEEE80211_F_DATAPAD 831 */ 832 833 /* 834 * Return the space occupied by the 802.11 header and any 835 * padding required by the driver. This works for a 836 * management or data frame. 837 */ 838 static __inline int 839 ieee80211_hdrspace(struct ieee80211com *ic, const void *data) 840 { 841 int size = ieee80211_hdrsize(data); 842 if (ic->ic_flags & IEEE80211_F_DATAPAD) 843 size = roundup(size, sizeof(uint32_t)); 844 return size; 845 } 846 847 /* 848 * Like ieee80211_hdrspace, but handles any type of frame. 849 */ 850 static __inline int 851 ieee80211_anyhdrspace(struct ieee80211com *ic, const void *data) 852 { 853 int size = ieee80211_anyhdrsize(data); 854 if (ic->ic_flags & IEEE80211_F_DATAPAD) 855 size = roundup(size, sizeof(uint32_t)); 856 return size; 857 } 858 859 /* 860 * Notify a vap that beacon state has been updated. 861 */ 862 static __inline void 863 ieee80211_beacon_notify(struct ieee80211vap *vap, int what) 864 { 865 if (vap->iv_state == IEEE80211_S_RUN) 866 vap->iv_update_beacon(vap, what); 867 } 868 869 /* 870 * Calculate HT channel promotion flags for a channel. 871 * XXX belongs in ieee80211_ht.h but needs IEEE80211_FHT_* 872 */ 873 static __inline int 874 ieee80211_htchanflags(const struct ieee80211_channel *c) 875 { 876 return IEEE80211_IS_CHAN_HT40(c) ? 877 IEEE80211_FHT_HT | IEEE80211_FHT_USEHT40 : 878 IEEE80211_IS_CHAN_HT(c) ? IEEE80211_FHT_HT : 0; 879 } 880 881 /* 882 * Calculate VHT channel promotion flags for a channel. 883 * XXX belongs in ieee80211_vht.h but needs IEEE80211_FVHT_* 884 */ 885 static __inline int 886 ieee80211_vhtchanflags(const struct ieee80211_channel *c) 887 { 888 889 if (IEEE80211_IS_CHAN_VHT160(c)) 890 return IEEE80211_FVHT_USEVHT160; 891 if (IEEE80211_IS_CHAN_VHT80_80(c)) 892 return IEEE80211_FVHT_USEVHT80P80; 893 if (IEEE80211_IS_CHAN_VHT80(c)) 894 return IEEE80211_FVHT_USEVHT80; 895 if (IEEE80211_IS_CHAN_VHT40(c)) 896 return IEEE80211_FVHT_USEVHT40; 897 if (IEEE80211_IS_CHAN_VHT(c)) 898 return IEEE80211_FVHT_VHT; 899 return (0); 900 } 901 902 /* 903 * Fetch the current TX power (cap) for the given node. 904 * 905 * This includes the node and ic/vap TX power limit as needed, 906 * but it doesn't take into account any per-rate limit. 907 */ 908 static __inline uint16_t 909 ieee80211_get_node_txpower(struct ieee80211_node *ni) 910 { 911 struct ieee80211com *ic = ni->ni_ic; 912 uint16_t txpower; 913 914 txpower = ni->ni_txpower; 915 txpower = MIN(txpower, ic->ic_txpowlimit); 916 if (ic->ic_curchan != NULL) { 917 txpower = MIN(txpower, 2 * ic->ic_curchan->ic_maxregpower); 918 txpower = MIN(txpower, ic->ic_curchan->ic_maxpower); 919 } 920 921 return (txpower); 922 } 923 924 /* 925 * Debugging facilities compiled in when IEEE80211_DEBUG is defined. 926 * 927 * The intent is that any problem in the net80211 layer can be 928 * diagnosed by inspecting the statistics (dumped by the wlanstats 929 * program) and/or the msgs generated by net80211. Messages are 930 * broken into functional classes and can be controlled with the 931 * wlandebug program. Certain of these msg groups are for facilities 932 * that are no longer part of net80211 (e.g. IEEE80211_MSG_DOT1XSM). 933 */ 934 #define IEEE80211_MSG_11N 0x80000000 /* 11n mode debug */ 935 #define IEEE80211_MSG_DEBUG 0x40000000 /* IFF_DEBUG equivalent */ 936 #define IEEE80211_MSG_DUMPPKTS 0x20000000 /* IFF_LINK2 equivalant */ 937 #define IEEE80211_MSG_CRYPTO 0x10000000 /* crypto work */ 938 #define IEEE80211_MSG_INPUT 0x08000000 /* input handling */ 939 #define IEEE80211_MSG_XRATE 0x04000000 /* rate set handling */ 940 #define IEEE80211_MSG_ELEMID 0x02000000 /* element id parsing */ 941 #define IEEE80211_MSG_NODE 0x01000000 /* node handling */ 942 #define IEEE80211_MSG_ASSOC 0x00800000 /* association handling */ 943 #define IEEE80211_MSG_AUTH 0x00400000 /* authentication handling */ 944 #define IEEE80211_MSG_SCAN 0x00200000 /* scanning */ 945 #define IEEE80211_MSG_OUTPUT 0x00100000 /* output handling */ 946 #define IEEE80211_MSG_STATE 0x00080000 /* state machine */ 947 #define IEEE80211_MSG_POWER 0x00040000 /* power save handling */ 948 #define IEEE80211_MSG_HWMP 0x00020000 /* hybrid mesh protocol */ 949 #define IEEE80211_MSG_DOT1XSM 0x00010000 /* 802.1x state machine */ 950 #define IEEE80211_MSG_RADIUS 0x00008000 /* 802.1x radius client */ 951 #define IEEE80211_MSG_RADDUMP 0x00004000 /* dump 802.1x radius packets */ 952 #define IEEE80211_MSG_MESH 0x00002000 /* mesh networking */ 953 #define IEEE80211_MSG_WPA 0x00001000 /* WPA/RSN protocol */ 954 #define IEEE80211_MSG_ACL 0x00000800 /* ACL handling */ 955 #define IEEE80211_MSG_WME 0x00000400 /* WME protocol */ 956 #define IEEE80211_MSG_SUPERG 0x00000200 /* Atheros SuperG protocol */ 957 #define IEEE80211_MSG_DOTH 0x00000100 /* 802.11h support */ 958 #define IEEE80211_MSG_INACT 0x00000080 /* inactivity handling */ 959 #define IEEE80211_MSG_ROAM 0x00000040 /* sta-mode roaming */ 960 #define IEEE80211_MSG_RATECTL 0x00000020 /* tx rate control */ 961 #define IEEE80211_MSG_ACTION 0x00000010 /* action frame handling */ 962 #define IEEE80211_MSG_WDS 0x00000008 /* WDS handling */ 963 #define IEEE80211_MSG_IOCTL 0x00000004 /* ioctl handling */ 964 #define IEEE80211_MSG_TDMA 0x00000002 /* TDMA handling */ 965 966 #define IEEE80211_MSG_ANY 0xffffffff /* anything */ 967 968 #define IEEE80211_MSG_BITS \ 969 "\20\2TDMA\3IOCTL\4WDS\5ACTION\6RATECTL\7ROAM\10INACT\11DOTH\12SUPERG" \ 970 "\13WME\14ACL\15WPA\16RADKEYS\17RADDUMP\20RADIUS\21DOT1XSM\22HWMP" \ 971 "\23POWER\24STATE\25OUTPUT\26SCAN\27AUTH\30ASSOC\31NODE\32ELEMID" \ 972 "\33XRATE\34INPUT\35CRYPTO\36DUPMPKTS\37DEBUG\04011N" 973 974 #ifdef IEEE80211_DEBUG 975 #define ieee80211_msg(_vap, _m) ((_vap)->iv_debug & (_m)) 976 #define IEEE80211_DPRINTF(_vap, _m, _fmt, ...) do { \ 977 if (ieee80211_msg(_vap, _m)) \ 978 ieee80211_note(_vap, _fmt, __VA_ARGS__); \ 979 } while (0) 980 #define IEEE80211_NOTE(_vap, _m, _ni, _fmt, ...) do { \ 981 if (ieee80211_msg(_vap, _m)) \ 982 ieee80211_note_mac(_vap, (_ni)->ni_macaddr, _fmt, __VA_ARGS__);\ 983 } while (0) 984 #define IEEE80211_NOTE_MAC(_vap, _m, _mac, _fmt, ...) do { \ 985 if (ieee80211_msg(_vap, _m)) \ 986 ieee80211_note_mac(_vap, _mac, _fmt, __VA_ARGS__); \ 987 } while (0) 988 #define IEEE80211_NOTE_FRAME(_vap, _m, _wh, _fmt, ...) do { \ 989 if (ieee80211_msg(_vap, _m)) \ 990 ieee80211_note_frame(_vap, _wh, _fmt, __VA_ARGS__); \ 991 } while (0) 992 void ieee80211_note(const struct ieee80211vap *, const char *, ...); 993 void ieee80211_note_mac(const struct ieee80211vap *, 994 const uint8_t mac[IEEE80211_ADDR_LEN], const char *, ...); 995 void ieee80211_note_frame(const struct ieee80211vap *, 996 const struct ieee80211_frame *, const char *, ...); 997 #define ieee80211_msg_debug(_vap) \ 998 ((_vap)->iv_debug & IEEE80211_MSG_DEBUG) 999 #define ieee80211_msg_dumppkts(_vap) \ 1000 ((_vap)->iv_debug & IEEE80211_MSG_DUMPPKTS) 1001 #define ieee80211_msg_input(_vap) \ 1002 ((_vap)->iv_debug & IEEE80211_MSG_INPUT) 1003 #define ieee80211_msg_radius(_vap) \ 1004 ((_vap)->iv_debug & IEEE80211_MSG_RADIUS) 1005 #define ieee80211_msg_dumpradius(_vap) \ 1006 ((_vap)->iv_debug & IEEE80211_MSG_RADDUMP) 1007 #define ieee80211_msg_dumpradkeys(_vap) \ 1008 ((_vap)->iv_debug & IEEE80211_MSG_RADKEYS) 1009 #define ieee80211_msg_scan(_vap) \ 1010 ((_vap)->iv_debug & IEEE80211_MSG_SCAN) 1011 #define ieee80211_msg_assoc(_vap) \ 1012 ((_vap)->iv_debug & IEEE80211_MSG_ASSOC) 1013 1014 /* 1015 * Emit a debug message about discarding a frame or information 1016 * element. One format is for extracting the mac address from 1017 * the frame header; the other is for when a header is not 1018 * available or otherwise appropriate. 1019 */ 1020 #define IEEE80211_DISCARD(_vap, _m, _wh, _type, _fmt, ...) do { \ 1021 if ((_vap)->iv_debug & (_m)) \ 1022 ieee80211_discard_frame(_vap, _wh, _type, _fmt, __VA_ARGS__);\ 1023 } while (0) 1024 #define IEEE80211_DISCARD_IE(_vap, _m, _wh, _type, _fmt, ...) do { \ 1025 if ((_vap)->iv_debug & (_m)) \ 1026 ieee80211_discard_ie(_vap, _wh, _type, _fmt, __VA_ARGS__);\ 1027 } while (0) 1028 #define IEEE80211_DISCARD_MAC(_vap, _m, _mac, _type, _fmt, ...) do { \ 1029 if ((_vap)->iv_debug & (_m)) \ 1030 ieee80211_discard_mac(_vap, _mac, _type, _fmt, __VA_ARGS__);\ 1031 } while (0) 1032 1033 void ieee80211_discard_frame(const struct ieee80211vap *, 1034 const struct ieee80211_frame *, const char *type, const char *fmt, ...); 1035 void ieee80211_discard_ie(const struct ieee80211vap *, 1036 const struct ieee80211_frame *, const char *type, const char *fmt, ...); 1037 void ieee80211_discard_mac(const struct ieee80211vap *, 1038 const uint8_t mac[IEEE80211_ADDR_LEN], const char *type, 1039 const char *fmt, ...); 1040 #else 1041 #define IEEE80211_DPRINTF(_vap, _m, _fmt, ...) 1042 #define IEEE80211_NOTE(_vap, _m, _ni, _fmt, ...) 1043 #define IEEE80211_NOTE_FRAME(_vap, _m, _wh, _fmt, ...) 1044 #define IEEE80211_NOTE_MAC(_vap, _m, _mac, _fmt, ...) 1045 #define ieee80211_msg_dumppkts(_vap) 0 1046 #define ieee80211_msg(_vap, _m) 0 1047 1048 #define IEEE80211_DISCARD(_vap, _m, _wh, _type, _fmt, ...) 1049 #define IEEE80211_DISCARD_IE(_vap, _m, _wh, _type, _fmt, ...) 1050 #define IEEE80211_DISCARD_MAC(_vap, _m, _mac, _type, _fmt, ...) 1051 #endif 1052 1053 #endif /* _NET80211_IEEE80211_VAR_H_ */ 1054
Indexes created Thu Oct 02 10:09:58 GMT 2025