1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause 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 #ifndef _NET80211_IEEE80211_VAR_H_ 29 #define _NET80211_IEEE80211_VAR_H_ 30 31 /* 32 * Definitions for IEEE 802.11 drivers. 33 */ 34 /* NB: portability glue must go first */ 35 #if defined(__NetBSD__) 36 #include <net80211/ieee80211_netbsd.h> 37 #elif defined(__FreeBSD__) 38 #include <net80211/ieee80211_freebsd.h> 39 #elif defined(__linux__) 40 #include <net80211/ieee80211_linux.h> 41 #elif defined(__HAIKU__) 42 #include <net80211/ieee80211_haiku.h> 43 #else 44 #error "No support for your operating system!" 45 #endif 46 47 #include <net80211/_ieee80211.h> 48 #include <net80211/ieee80211.h> 49 #include <net80211/ieee80211_ageq.h> 50 #include <net80211/ieee80211_crypto.h> 51 #include <net80211/ieee80211_dfs.h> 52 #include <net80211/ieee80211_ioctl.h> /* for ieee80211_stats */ 53 #include <net80211/ieee80211_phy.h> 54 #include <net80211/ieee80211_power.h> 55 #include <net80211/ieee80211_node.h> 56 #include <net80211/ieee80211_proto.h> 57 #include <net80211/ieee80211_radiotap.h> 58 #include <net80211/ieee80211_scan.h> 59 60 #define IEEE80211_TXPOWER_MAX 100 /* .5 dBm (XXX units?) */ 61 #define IEEE80211_TXPOWER_MIN 0 /* kill radio */ 62 63 #define IEEE80211_DTIM_DEFAULT 1 /* default DTIM period */ 64 #define IEEE80211_BINTVAL_DEFAULT 100 /* default beacon interval (TU's) */ 65 66 #define IEEE80211_BMISS_MAX 2 /* maximum consecutive bmiss allowed */ 67 #define IEEE80211_HWBMISS_DEFAULT 7 /* h/w bmiss threshold (beacons) */ 68 69 #define IEEE80211_BGSCAN_INTVAL_MIN 15 /* min bg scan intvl (secs) */ 70 #define IEEE80211_BGSCAN_INTVAL_DEFAULT (5*60) /* default bg scan intvl */ 71 72 #define IEEE80211_BGSCAN_IDLE_MIN 100 /* min idle time (ms) */ 73 #define IEEE80211_BGSCAN_IDLE_DEFAULT 250 /* default idle time (ms) */ 74 75 #define IEEE80211_SCAN_VALID_MIN 10 /* min scan valid time (secs) */ 76 #define IEEE80211_SCAN_VALID_DEFAULT 60 /* default scan valid time */ 77 78 #define IEEE80211_PS_SLEEP 0x1 /* STA is in power saving mode */ 79 #define IEEE80211_PS_MAX_QUEUE 50 /* maximum saved packets */ 80 81 #define IEEE80211_FIXED_RATE_NONE 0xff 82 #define IEEE80211_TXMAX_DEFAULT 6 /* default ucast max retries */ 83 84 #define IEEE80211_RTS_DEFAULT IEEE80211_RTS_MAX 85 #define IEEE80211_FRAG_DEFAULT IEEE80211_FRAG_MAX 86 87 #define IEEE80211_MS_TO_TU(x) (((x) * 1000) / 1024) 88 #define IEEE80211_TU_TO_MS(x) (((x) * 1024) / 1000) 89 /* XXX TODO: cap this at 1, in case hz is not 1000 */ 90 #define IEEE80211_TU_TO_TICKS(x)(((uint64_t)(x) * 1024 * hz) / (1000 * 1000)) 91 92 /* 93 * Technically, vhtflags may be 0 /and/ 11ac is enabled. 94 * At some point ic should just grow a flag somewhere that 95 * says that VHT is supported - and then this macro can be 96 * changed. 97 */ 98 #define IEEE80211_CONF_VHT(ic) \ 99 ((ic)->ic_flags_ext & IEEE80211_FEXT_VHT) 100 101 #define IEEE80211_CONF_SEQNO_OFFLOAD(ic) \ 102 ((ic)->ic_flags_ext & IEEE80211_FEXT_SEQNO_OFFLOAD) 103 #define IEEE80211_CONF_FRAG_OFFLOAD(ic) \ 104 ((ic)->ic_flags_ext & IEEE80211_FEXT_FRAG_OFFLOAD) 105 106 /* 107 * 802.11 control state is split into a common portion that maps 108 * 1-1 to a physical device and one or more "Virtual AP's" (VAP) 109 * that are bound to an ieee80211com instance and share a single 110 * underlying device. Each VAP has a corresponding OS device 111 * entity through which traffic flows and that applications use 112 * for issuing ioctls, etc. 113 */ 114 115 /* 116 * Data common to one or more virtual AP's. State shared by 117 * the underlying device and the net80211 layer is exposed here; 118 * e.g. device-specific callbacks. 119 */ 120 struct ieee80211vap; 121 typedef void (*ieee80211vap_attach)(struct ieee80211vap *); 122 123 struct ieee80211_appie { 124 uint16_t ie_len; /* size of ie_data */ 125 uint8_t ie_data[]; /* user-specified IE's */ 126 }; 127 128 struct ieee80211_tdma_param; 129 struct ieee80211_rate_table; 130 struct ieee80211_tx_ampdu; 131 struct ieee80211_rx_ampdu; 132 struct ieee80211_superg; 133 struct ieee80211_frame; 134 135 struct net80211dump_methods; 136 137 struct ieee80211com { 138 void *ic_softc; /* driver softc */ 139 const char *ic_name; /* usually device name */ 140 ieee80211_com_lock_t ic_comlock; /* state update lock */ 141 ieee80211_tx_lock_t ic_txlock; /* ic/vap TX lock */ 142 ieee80211_ff_lock_t ic_fflock; /* stageq/ni_tx_superg lock */ 143 LIST_ENTRY(ieee80211com) ic_next; /* on global list */ 144 TAILQ_HEAD(, ieee80211vap) ic_vaps; /* list of vap instances */ 145 int ic_headroom; /* driver tx headroom needs */ 146 enum ieee80211_phytype ic_phytype; /* XXX wrong for multi-mode */ 147 enum ieee80211_opmode ic_opmode; /* operation mode */ 148 struct callout ic_inact; /* inactivity processing */ 149 struct taskqueue *ic_tq; /* deferred state thread */ 150 struct task ic_parent_task; /* deferred parent processing */ 151 struct task ic_promisc_task;/* deferred promisc update */ 152 struct task ic_mcast_task; /* deferred mcast update */ 153 struct task ic_chan_task; /* deferred channel change */ 154 struct task ic_bmiss_task; /* deferred beacon miss hndlr */ 155 struct task ic_chw_task; /* deferred HT CHW update */ 156 struct task ic_restart_task; /* deferred device restart */ 157 158 counter_u64_t ic_ierrors; /* input errors */ 159 counter_u64_t ic_oerrors; /* output errors */ 160 161 uint32_t ic_flags; /* state flags */ 162 uint32_t ic_flags_ext; /* extended state flags */ 163 uint32_t ic_flags_ht; /* HT state flags */ 164 uint32_t ic_flags_ven; /* vendor state flags */ 165 uint32_t ic_caps; /* capabilities */ 166 uint32_t ic_htcaps; /* HT capabilities */ 167 uint32_t ic_htextcaps; /* HT extended capabilities */ 168 uint32_t ic_cryptocaps; /* crypto capabilities */ 169 /* set of mode capabilities */ 170 uint8_t ic_modecaps[IEEE80211_MODE_BYTES]; 171 uint8_t ic_promisc; /* vap's needing promisc mode */ 172 uint8_t ic_allmulti; /* vap's needing all multicast*/ 173 uint8_t ic_nrunning; /* vap's marked running */ 174 uint8_t ic_curmode; /* current mode */ 175 uint8_t ic_macaddr[IEEE80211_ADDR_LEN]; 176 uint16_t ic_bintval; /* beacon interval */ 177 uint16_t ic_lintval; /* listen interval */ 178 uint16_t ic_holdover; /* PM hold over duration */ 179 uint16_t ic_txpowlimit; /* global tx power limit */ 180 struct ieee80211_rateset ic_sup_rates[IEEE80211_MODE_MAX]; 181 struct ieee80211_htrateset ic_sup_htrates; 182 183 /* 184 * Channel state: 185 * 186 * ic_channels is the set of available channels for the device; 187 * it is setup by the driver 188 * ic_nchans is the number of valid entries in ic_channels 189 * ic_chan_avail is a bit vector of these channels used to check 190 * whether a channel is available w/o searching the channel table. 191 * ic_chan_active is a (potentially) constrained subset of 192 * ic_chan_avail that reflects any mode setting or user-specified 193 * limit on the set of channels to use/scan 194 * ic_curchan is the current channel the device is set to; it may 195 * be different from ic_bsschan when we are off-channel scanning 196 * or otherwise doing background work 197 * ic_bsschan is the channel selected for operation; it may 198 * be undefined (IEEE80211_CHAN_ANYC) 199 * ic_prevchan is a cached ``previous channel'' used to optimize 200 * lookups when switching back+forth between two channels 201 * (e.g. for dynamic turbo) 202 */ 203 int ic_nchans; /* # entries in ic_channels */ 204 struct ieee80211_channel ic_channels[IEEE80211_CHAN_MAX]; 205 uint8_t ic_chan_avail[IEEE80211_CHAN_BYTES]; 206 uint8_t ic_chan_active[IEEE80211_CHAN_BYTES]; 207 uint8_t ic_chan_scan[IEEE80211_CHAN_BYTES]; 208 struct ieee80211_channel *ic_curchan; /* current channel */ 209 const struct ieee80211_rate_table *ic_rt; /* table for ic_curchan */ 210 struct ieee80211_channel *ic_bsschan; /* bss channel */ 211 struct ieee80211_channel *ic_prevchan; /* previous channel */ 212 struct ieee80211_regdomain ic_regdomain;/* regulatory data */ 213 struct ieee80211_appie *ic_countryie; /* calculated country ie */ 214 struct ieee80211_channel *ic_countryie_chan; 215 216 /* 802.11h/DFS state */ 217 struct ieee80211_channel *ic_csa_newchan;/* channel for doing CSA */ 218 short ic_csa_mode; /* mode for doing CSA */ 219 short ic_csa_count; /* count for doing CSA */ 220 struct ieee80211_dfs_state ic_dfs; /* DFS state */ 221 222 struct ieee80211_scan_state *ic_scan; /* scan state */ 223 struct ieee80211_scan_methods *ic_scan_methods; /* scan methods */ 224 int ic_lastdata; /* time of last data frame */ 225 int ic_lastscan; /* time last scan completed */ 226 227 /* NB: this is the union of all vap stations/neighbors */ 228 int ic_max_keyix; /* max h/w key index */ 229 struct ieee80211_node_table ic_sta; /* stations/neighbors */ 230 struct ieee80211_ageq ic_stageq; /* frame staging queue */ 231 uint32_t ic_hash_key; /* random key for mac hash */ 232 233 /* XXX multi-bss: split out common/vap parts */ 234 struct ieee80211_wme_state ic_wme; /* WME/WMM state */ 235 236 /* Protection mode for net80211 driven channel NICs */ 237 enum ieee80211_protmode ic_protmode; /* 802.11g protection mode */ 238 enum ieee80211_protmode ic_htprotmode; /* HT protection mode */ 239 uint8_t ic_curhtprotmode;/* HTINFO bss state */ 240 241 uint8_t ic_rxstream; /* # RX streams */ 242 uint8_t ic_txstream; /* # TX streams */ 243 244 /* VHT information */ 245 uint32_t ic_vht_flags; /* VHT state flags */ 246 struct ieee80211_vht_cap ic_vht_cap; /* VHT capabilities + MCS info */ 247 uint32_t ic_vhtextcaps; /* VHT extended capabilities (TODO) */ 248 uint32_t ic_vht_spare[3]; 249 250 /* optional state for Atheros SuperG protocol extensions */ 251 struct ieee80211_superg *ic_superg; 252 253 /* radiotap handling */ 254 struct ieee80211_radiotap_header *ic_th;/* tx radiotap headers */ 255 void *ic_txchan; /* channel state in ic_th */ 256 struct ieee80211_radiotap_header *ic_rh;/* rx radiotap headers */ 257 void *ic_rxchan; /* channel state in ic_rh */ 258 int ic_montaps; /* active monitor mode taps */ 259 260 /* virtual ap create/delete */ 261 struct ieee80211vap* (*ic_vap_create)(struct ieee80211com *, 262 const char [IFNAMSIZ], int, 263 enum ieee80211_opmode, int, 264 const uint8_t [IEEE80211_ADDR_LEN], 265 const uint8_t [IEEE80211_ADDR_LEN]); 266 void (*ic_vap_delete)(struct ieee80211vap *); 267 /* device specific ioctls */ 268 int (*ic_ioctl)(struct ieee80211com *, 269 u_long, void *); 270 /* start/stop device */ 271 void (*ic_parent)(struct ieee80211com *); 272 /* operating mode attachment */ 273 ieee80211vap_attach ic_vattach[IEEE80211_OPMODE_MAX]; 274 /* return hardware/radio capabilities */ 275 void (*ic_getradiocaps)(struct ieee80211com *, 276 int, int *, struct ieee80211_channel []); 277 /* check and/or prepare regdomain state change */ 278 int (*ic_setregdomain)(struct ieee80211com *, 279 struct ieee80211_regdomain *, 280 int, struct ieee80211_channel []); 281 282 int (*ic_set_quiet)(struct ieee80211_node *, 283 u_int8_t *quiet_elm); 284 285 /* regular transmit */ 286 int (*ic_transmit)(struct ieee80211com *, 287 struct mbuf *); 288 /* send/recv 802.11 management frame */ 289 int (*ic_send_mgmt)(struct ieee80211_node *, 290 int, int); 291 /* send raw 802.11 frame */ 292 int (*ic_raw_xmit)(struct ieee80211_node *, 293 struct mbuf *, 294 const struct ieee80211_bpf_params *); 295 /* update device state for 802.11 slot time change */ 296 void (*ic_updateslot)(struct ieee80211com *); 297 /* handle multicast state changes */ 298 void (*ic_update_mcast)(struct ieee80211com *); 299 /* handle promiscuous mode changes */ 300 void (*ic_update_promisc)(struct ieee80211com *); 301 /* new station association callback/notification */ 302 void (*ic_newassoc)(struct ieee80211_node *, int); 303 /* TDMA update notification */ 304 void (*ic_tdma_update)(struct ieee80211_node *, 305 const struct ieee80211_tdma_param *, int); 306 307 /* Node state management */ 308 309 /* Allocate a new node */ 310 struct ieee80211_node* (*ic_node_alloc)(struct ieee80211vap *, 311 const uint8_t [IEEE80211_ADDR_LEN]); 312 313 /* Driver node initialisation after net80211 setup */ 314 int (*ic_node_init)(struct ieee80211_node *); 315 316 /* Driver node deallocation */ 317 void (*ic_node_free)(struct ieee80211_node *); 318 319 /* Driver node state cleanup before deallocation */ 320 void (*ic_node_cleanup)(struct ieee80211_node *); 321 322 void (*ic_node_age)(struct ieee80211_node *); 323 void (*ic_node_drain)(struct ieee80211_node *); 324 int8_t (*ic_node_getrssi)(const struct ieee80211_node*); 325 void (*ic_node_getsignal)(const struct ieee80211_node*, 326 int8_t *, int8_t *); 327 void (*ic_node_getmimoinfo)( 328 const struct ieee80211_node*, 329 struct ieee80211_mimo_info *); 330 /* scanning support */ 331 void (*ic_scan_start)(struct ieee80211com *); 332 void (*ic_scan_end)(struct ieee80211com *); 333 void (*ic_set_channel)(struct ieee80211com *); 334 void (*ic_scan_curchan)(struct ieee80211_scan_state *, 335 unsigned long); 336 void (*ic_scan_mindwell)(struct ieee80211_scan_state *); 337 338 /* 339 * 802.11n ADDBA support. A simple/generic implementation 340 * of A-MPDU tx aggregation is provided; the driver may 341 * override these methods to provide their own support. 342 * A-MPDU rx re-ordering happens automatically if the 343 * driver passes out-of-order frames to ieee80211_input 344 * from an assocated HT station. 345 */ 346 int (*ic_recv_action)(struct ieee80211_node *, 347 const struct ieee80211_frame *, 348 const uint8_t *frm, const uint8_t *efrm); 349 int (*ic_send_action)(struct ieee80211_node *, 350 int category, int action, void *); 351 /* check if A-MPDU should be enabled this station+ac */ 352 int (*ic_ampdu_enable)(struct ieee80211_node *, 353 struct ieee80211_tx_ampdu *); 354 /* start/stop doing A-MPDU tx aggregation for a station */ 355 int (*ic_addba_request)(struct ieee80211_node *, 356 struct ieee80211_tx_ampdu *, 357 int dialogtoken, int baparamset, 358 int batimeout); 359 int (*ic_addba_response)(struct ieee80211_node *, 360 struct ieee80211_tx_ampdu *, 361 int status, int baparamset, int batimeout); 362 void (*ic_addba_stop)(struct ieee80211_node *, 363 struct ieee80211_tx_ampdu *); 364 void (*ic_addba_response_timeout)(struct ieee80211_node *, 365 struct ieee80211_tx_ampdu *); 366 /* BAR response received */ 367 void (*ic_bar_response)(struct ieee80211_node *, 368 struct ieee80211_tx_ampdu *, int status); 369 /* start/stop doing A-MPDU rx processing for a station */ 370 int (*ic_ampdu_rx_start)(struct ieee80211_node *, 371 struct ieee80211_rx_ampdu *, int baparamset, 372 int batimeout, int baseqctl); 373 void (*ic_ampdu_rx_stop)(struct ieee80211_node *, 374 struct ieee80211_rx_ampdu *); 375 376 /* The channel width has changed (20<->2040) */ 377 void (*ic_update_chw)(struct ieee80211com *); 378 379 const struct debugnet80211_methods *ic_debugnet_meth; 380 uint64_t ic_spare[7]; 381 }; 382 383 struct ieee80211_aclator; 384 struct ieee80211_tdma_state; 385 struct ieee80211_mesh_state; 386 struct ieee80211_hwmp_state; 387 struct ieee80211_rx_histogram; 388 struct ieee80211_tx_histogram; 389 390 struct ieee80211vap { 391 struct ifmedia iv_media; /* interface media config */ 392 struct ifnet *iv_ifp; /* associated device */ 393 struct bpf_if *iv_rawbpf; /* packet filter structure */ 394 struct sysctl_ctx_list *iv_sysctl; /* dynamic sysctl context */ 395 struct sysctl_oid *iv_oid; /* net.wlan.X sysctl oid */ 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 uint32_t iv_com_state; /* com usage / detached flag */ 413 enum ieee80211_opmode iv_opmode; /* operation mode */ 414 enum ieee80211_state iv_state; /* state machine state */ 415 416 /* Deferred state processing. */ 417 enum ieee80211_state iv_nstate; /* next pending state (historic) */ 418 #define NET80211_IV_NSTATE_NUM 8 419 int iv_nstate_b; /* First filled slot. */ 420 int iv_nstate_n; /* # of filled slots. */ 421 enum ieee80211_state iv_nstates[NET80211_IV_NSTATE_NUM]; /* queued pending state(s) */ 422 int iv_nstate_args[NET80211_IV_NSTATE_NUM]; /* queued pending state(s) arg */ 423 struct task iv_nstate_task[NET80211_IV_NSTATE_NUM]; 424 425 struct task iv_swbmiss_task;/* deferred iv_bmiss call */ 426 struct callout iv_mgtsend; /* mgmt frame response timer */ 427 /* inactivity timer settings */ 428 int iv_inact_init; /* setting for new station */ 429 int iv_inact_auth; /* auth but not assoc setting */ 430 int iv_inact_run; /* authorized setting */ 431 int iv_inact_probe; /* inactive probe time */ 432 433 /* VHT flags */ 434 uint32_t iv_vht_flags; /* VHT state flags */ 435 struct ieee80211_vht_cap iv_vht_cap; /* VHT capabilities + MCS info */ 436 uint32_t iv_vhtextcaps; /* VHT extended capabilities (TODO) */ 437 uint32_t iv_vht_spare[4]; 438 439 int iv_des_nssid; /* # desired ssids */ 440 struct ieee80211_scan_ssid iv_des_ssid[1];/* desired ssid table */ 441 uint8_t iv_des_bssid[IEEE80211_ADDR_LEN]; 442 struct ieee80211_channel *iv_des_chan; /* desired channel */ 443 uint16_t iv_des_mode; /* desired mode */ 444 int iv_nicknamelen; /* XXX junk */ 445 uint8_t iv_nickname[IEEE80211_NWID_LEN]; 446 u_int iv_bgscanidle; /* bg scan idle threshold */ 447 u_int iv_bgscanintvl; /* bg scan min interval */ 448 u_int iv_scanvalid; /* scan cache valid threshold */ 449 u_int iv_scanreq_duration; 450 u_int iv_scanreq_mindwell; 451 u_int iv_scanreq_maxdwell; 452 uint16_t iv_scanreq_flags;/* held scan request params */ 453 uint8_t iv_scanreq_nssid; 454 struct ieee80211_scan_ssid iv_scanreq_ssid[IEEE80211_SCAN_MAX_SSID]; 455 /* sta-mode roaming state */ 456 enum ieee80211_roamingmode iv_roaming; /* roaming mode */ 457 struct ieee80211_roamparam iv_roamparms[IEEE80211_MODE_MAX]; 458 459 uint8_t iv_bmissthreshold; 460 uint8_t iv_bmiss_count; /* current beacon miss count */ 461 int iv_bmiss_max; /* max bmiss before scan */ 462 uint16_t iv_swbmiss_count;/* beacons in last period */ 463 uint16_t iv_swbmiss_period;/* s/w bmiss period */ 464 struct callout iv_swbmiss; /* s/w beacon miss timer */ 465 466 int iv_ampdu_rxmax; /* A-MPDU rx limit (bytes) */ 467 int iv_ampdu_density;/* A-MPDU density */ 468 int iv_ampdu_limit; /* A-MPDU tx limit (bytes) */ 469 int iv_amsdu_limit; /* A-MSDU tx limit (bytes) */ 470 u_int iv_ampdu_mintraffic[WME_NUM_AC]; 471 472 struct ieee80211_beacon_offsets iv_bcn_off; 473 uint32_t *iv_aid_bitmap; /* association id map */ 474 uint16_t iv_max_aid; 475 uint16_t iv_sta_assoc; /* stations associated */ 476 uint16_t iv_ps_sta; /* stations in power save */ 477 uint16_t iv_ps_pending; /* ps sta's w/ pending frames */ 478 uint16_t iv_txseq; /* mcast xmit seq# space */ 479 uint16_t iv_tim_len; /* ic_tim_bitmap size (bytes) */ 480 uint8_t *iv_tim_bitmap; /* power-save stations w/ data*/ 481 uint8_t iv_dtim_period; /* DTIM period */ 482 uint8_t iv_dtim_count; /* DTIM count from last bcn */ 483 /* set/unset aid pwrsav state */ 484 uint8_t iv_quiet; /* Quiet Element */ 485 uint8_t iv_quiet_count; /* constant count for Quiet Element */ 486 uint8_t iv_quiet_count_value; /* variable count for Quiet Element */ 487 uint8_t iv_quiet_period; /* period for Quiet Element */ 488 uint16_t iv_quiet_duration; /* duration for Quiet Element */ 489 uint16_t iv_quiet_offset; /* offset for Quiet Element */ 490 int iv_csa_count; /* count for doing CSA */ 491 492 struct ieee80211_node *iv_bss; /* information for this node */ 493 struct ieee80211_txparam iv_txparms[IEEE80211_MODE_MAX]; 494 uint16_t iv_rtsthreshold; 495 uint16_t iv_fragthreshold; 496 int iv_inact_timer; /* inactivity timer wait */ 497 /* application-specified IE's to attach to mgt frames */ 498 struct ieee80211_appie *iv_appie_beacon; 499 struct ieee80211_appie *iv_appie_probereq; 500 struct ieee80211_appie *iv_appie_proberesp; 501 struct ieee80211_appie *iv_appie_assocreq; 502 struct ieee80211_appie *iv_appie_assocresp; 503 struct ieee80211_appie *iv_appie_wpa; 504 uint8_t *iv_wpa_ie; 505 uint8_t *iv_rsn_ie; 506 507 /* Key management */ 508 uint16_t iv_max_keyix; /* max h/w key index */ 509 ieee80211_keyix iv_def_txkey; /* default/group tx key index */ 510 struct ieee80211_key iv_nw_keys[IEEE80211_WEP_NKID]; 511 int (*iv_key_alloc)(struct ieee80211vap *, 512 struct ieee80211_key *, 513 ieee80211_keyix *, ieee80211_keyix *); 514 int (*iv_key_delete)(struct ieee80211vap *, 515 const struct ieee80211_key *); 516 int (*iv_key_set)(struct ieee80211vap *, 517 const struct ieee80211_key *); 518 void (*iv_key_update_begin)(struct ieee80211vap *); 519 void (*iv_key_update_end)(struct ieee80211vap *); 520 void (*iv_update_deftxkey)(struct ieee80211vap *, 521 ieee80211_keyix deftxkey); 522 523 const struct ieee80211_authenticator *iv_auth; /* authenticator glue */ 524 void *iv_ec; /* private auth state */ 525 526 const struct ieee80211_aclator *iv_acl; /* acl glue */ 527 void *iv_as; /* private aclator state */ 528 529 const struct ieee80211_ratectl *iv_rate; 530 void *iv_rs; /* private ratectl state */ 531 532 struct ieee80211_tdma_state *iv_tdma; /* tdma state */ 533 struct ieee80211_mesh_state *iv_mesh; /* MBSS state */ 534 struct ieee80211_hwmp_state *iv_hwmp; /* HWMP state */ 535 536 /* operate-mode detach hook */ 537 void (*iv_opdetach)(struct ieee80211vap *); 538 /* receive processing */ 539 int (*iv_input)(struct ieee80211_node *, 540 struct mbuf *, 541 const struct ieee80211_rx_stats *, 542 int, int); 543 void (*iv_recv_mgmt)(struct ieee80211_node *, 544 struct mbuf *, int, 545 const struct ieee80211_rx_stats *, 546 int, int); 547 void (*iv_recv_ctl)(struct ieee80211_node *, 548 struct mbuf *, int); 549 void (*iv_deliver_data)(struct ieee80211vap *, 550 struct ieee80211_node *, struct mbuf *); 551 #if 0 552 /* send processing */ 553 int (*iv_send_mgmt)(struct ieee80211_node *, 554 int, int); 555 #endif 556 /* beacon miss processing */ 557 void (*iv_bmiss)(struct ieee80211vap *); 558 /* reset device state after 802.11 parameter/state change */ 559 int (*iv_reset)(struct ieee80211vap *, u_long); 560 /* [schedule] beacon frame update */ 561 void (*iv_update_beacon)(struct ieee80211vap *, int); 562 /* power save handling */ 563 void (*iv_update_ps)(struct ieee80211vap *, int); 564 int (*iv_set_tim)(struct ieee80211_node *, int); 565 void (*iv_node_ps)(struct ieee80211_node *, int); 566 void (*iv_sta_ps)(struct ieee80211vap *, int); 567 void (*iv_recv_pspoll)(struct ieee80211_node *, 568 struct mbuf *); 569 570 /* state machine processing */ 571 int (*iv_newstate)(struct ieee80211vap *, 572 enum ieee80211_state, int); 573 struct ieee80211_node * (*iv_update_bss)(struct ieee80211vap *, 574 struct ieee80211_node *); 575 576 /* 802.3 output method for raw frame xmit */ 577 int (*iv_output)(struct ifnet *, struct mbuf *, 578 const struct sockaddr *, struct route *); 579 580 int (*iv_wme_update)(struct ieee80211vap *, 581 const struct wmeParams *wme_params); 582 struct task iv_wme_task; /* deferred VAP WME update */ 583 584 /* associated state; protection mode */ 585 enum ieee80211_protmode iv_protmode; /* 802.11g protection mode */ 586 enum ieee80211_protmode iv_htprotmode; /* HT protection mode */ 587 uint8_t iv_curhtprotmode;/* HTINFO bss state */ 588 589 uint16_t iv_nonerpsta; /* # non-ERP stations */ 590 uint16_t iv_longslotsta; /* # long slot time stations */ 591 uint16_t iv_ht_sta_assoc;/* HT stations associated */ 592 uint16_t iv_ht40_sta_assoc;/* HT40 stations associated */ 593 int iv_lastnonerp; /* last time non-ERP sta noted*/ 594 int iv_lastnonht; /* last time non-HT sta noted */ 595 596 /* update device state for 802.11 slot time change */ 597 void (*iv_updateslot)(struct ieee80211vap *); 598 struct task iv_slot_task; /* deferred slot time update */ 599 600 struct task iv_erp_protmode_task; /* deferred ERP protmode update */ 601 void (*iv_erp_protmode_update)(struct ieee80211vap *); 602 603 struct task iv_preamble_task; /* deferred short/barker preamble update */ 604 void (*iv_preamble_update)(struct ieee80211vap *); 605 606 struct task iv_ht_protmode_task; /* deferred HT protmode update */ 607 void (*iv_ht_protmode_update)(struct ieee80211vap *); 608 609 /* per-vap U-APSD state */ 610 uint8_t iv_uapsdinfo; /* sta mode QoS Info flags */ 611 612 /* Optional transmit/receive histogram statistics */ 613 struct ieee80211_rx_histogram *rx_histogram; 614 struct ieee80211_tx_histogram *tx_histogram; 615 616 uint64_t iv_spare[36]; 617 }; 618 MALLOC_DECLARE(M_80211_VAP); 619 620 #define IEEE80211_ADDR_EQ(a1,a2) (memcmp(a1,a2,IEEE80211_ADDR_LEN) == 0) 621 #define IEEE80211_ADDR_COPY(dst,src) memcpy(dst,src,IEEE80211_ADDR_LEN) 622 623 /* ic_flags/iv_flags */ 624 #define IEEE80211_F_TURBOP 0x00000001 /* CONF: ATH Turbo enabled*/ 625 #define IEEE80211_F_COMP 0x00000002 /* CONF: ATH comp enabled */ 626 #define IEEE80211_F_FF 0x00000004 /* CONF: ATH FF enabled */ 627 #define IEEE80211_F_BURST 0x00000008 /* CONF: bursting enabled */ 628 /* NB: this is intentionally setup to be IEEE80211_CAPINFO_PRIVACY */ 629 #define IEEE80211_F_PRIVACY 0x00000010 /* CONF: privacy enabled */ 630 #define IEEE80211_F_PUREG 0x00000020 /* CONF: 11g w/o 11b sta's */ 631 #define IEEE80211_F_SCAN 0x00000080 /* STATUS: scanning */ 632 /* 0x00000300 reserved */ 633 /* NB: this is intentionally setup to be IEEE80211_CAPINFO_SHORT_SLOTTIME */ 634 #define IEEE80211_F_SHSLOT 0x00000400 /* STATUS: use short slot time*/ 635 #define IEEE80211_F_PMGTON 0x00000800 /* CONF: Power mgmt enable */ 636 #define IEEE80211_F_DESBSSID 0x00001000 /* CONF: des_bssid is set */ 637 #define IEEE80211_F_WME 0x00002000 /* CONF: enable WME use */ 638 #define IEEE80211_F_BGSCAN 0x00004000 /* CONF: bg scan enabled (???)*/ 639 #define IEEE80211_F_SWRETRY 0x00008000 /* CONF: sw tx retry enabled */ 640 /* 0x00030000 reserved */ 641 #define IEEE80211_F_SHPREAMBLE 0x00040000 /* STATUS: use short preamble */ 642 #define IEEE80211_F_DATAPAD 0x00080000 /* CONF: do alignment pad */ 643 #define IEEE80211_F_USEPROT 0x00100000 /* STATUS: protection enabled */ 644 #define IEEE80211_F_USEBARKER 0x00200000 /* STATUS: use barker preamble*/ 645 #define IEEE80211_F_CSAPENDING 0x00400000 /* STATUS: chan switch pending*/ 646 #define IEEE80211_F_WPA1 0x00800000 /* CONF: WPA enabled */ 647 #define IEEE80211_F_WPA2 0x01000000 /* CONF: WPA2 enabled */ 648 #define IEEE80211_F_WPA 0x01800000 /* CONF: WPA/WPA2 enabled */ 649 #define IEEE80211_F_DROPUNENC 0x02000000 /* CONF: drop unencrypted */ 650 #define IEEE80211_F_COUNTERM 0x04000000 /* CONF: TKIP countermeasures */ 651 #define IEEE80211_F_HIDESSID 0x08000000 /* CONF: hide SSID in beacon */ 652 #define IEEE80211_F_NOBRIDGE 0x10000000 /* CONF: dis. internal bridge */ 653 #define IEEE80211_F_PCF 0x20000000 /* CONF: PCF enabled */ 654 #define IEEE80211_F_DOTH 0x40000000 /* CONF: 11h enabled */ 655 #define IEEE80211_F_DWDS 0x80000000 /* CONF: Dynamic WDS enabled */ 656 657 #define IEEE80211_F_BITS \ 658 "\20\1TURBOP\2COMP\3FF\4BURST\5PRIVACY\6PUREG\10SCAN" \ 659 "\13SHSLOT\14PMGTON\15DESBSSID\16WME\17BGSCAN\20SWRETRY" \ 660 "\23SHPREAMBLE\24DATAPAD\25USEPROT\26USERBARKER\27CSAPENDING" \ 661 "\30WPA1\31WPA2\32DROPUNENC\33COUNTERM\34HIDESSID\35NOBRIDG\36PCF" \ 662 "\37DOTH\40DWDS" 663 664 /* Atheros protocol-specific flags */ 665 #define IEEE80211_F_ATHEROS \ 666 (IEEE80211_F_FF | IEEE80211_F_COMP | IEEE80211_F_TURBOP) 667 /* Check if an Atheros capability was negotiated for use */ 668 #define IEEE80211_ATH_CAP(vap, ni, bit) \ 669 ((vap)->iv_flags & (ni)->ni_ath_flags & (bit)) 670 671 /* ic_flags_ext/iv_flags_ext */ 672 #define IEEE80211_FEXT_INACT 0x00000002 /* CONF: sta inact handling */ 673 #define IEEE80211_FEXT_SCANWAIT 0x00000004 /* STATUS: awaiting scan */ 674 /* 0x00000006 reserved */ 675 #define IEEE80211_FEXT_BGSCAN 0x00000008 /* STATUS: complete bgscan */ 676 #define IEEE80211_FEXT_WPS 0x00000010 /* CONF: WPS enabled */ 677 #define IEEE80211_FEXT_TSN 0x00000020 /* CONF: TSN enabled */ 678 #define IEEE80211_FEXT_SCANREQ 0x00000040 /* STATUS: scan req params */ 679 #define IEEE80211_FEXT_RESUME 0x00000080 /* STATUS: start on resume */ 680 #define IEEE80211_FEXT_4ADDR 0x00000100 /* CONF: apply 4-addr encap */ 681 #define IEEE80211_FEXT_NONERP_PR 0x00000200 /* STATUS: non-ERP sta present*/ 682 #define IEEE80211_FEXT_SWBMISS 0x00000400 /* CONF: do bmiss in s/w */ 683 #define IEEE80211_FEXT_DFS 0x00000800 /* CONF: DFS enabled */ 684 #define IEEE80211_FEXT_DOTD 0x00001000 /* CONF: 11d enabled */ 685 #define IEEE80211_FEXT_STATEWAIT 0x00002000 /* STATUS: awaiting state chg */ 686 #define IEEE80211_FEXT_REINIT 0x00004000 /* STATUS: INIT state first */ 687 #define IEEE80211_FEXT_BPF 0x00008000 /* STATUS: BPF tap present */ 688 /* NB: immutable: should be set only when creating a vap */ 689 #define IEEE80211_FEXT_WDSLEGACY 0x00010000 /* CONF: legacy WDS operation */ 690 #define IEEE80211_FEXT_PROBECHAN 0x00020000 /* CONF: probe passive channel*/ 691 #define IEEE80211_FEXT_UNIQMAC 0x00040000 /* CONF: user or computed mac */ 692 #define IEEE80211_FEXT_SCAN_OFFLOAD 0x00080000 /* CONF: scan is fully offloaded */ 693 #define IEEE80211_FEXT_SEQNO_OFFLOAD 0x00100000 /* CONF: driver does seqno insertion/allocation */ 694 #define IEEE80211_FEXT_FRAG_OFFLOAD 0x00200000 /* CONF: hardware does 802.11 fragmentation + assignment */ 695 #define IEEE80211_FEXT_VHT 0x00400000 /* CONF: VHT support */ 696 #define IEEE80211_FEXT_QUIET_IE 0x00800000 /* STATUS: quiet IE in a beacon has been added */ 697 #define IEEE80211_FEXT_UAPSD 0x01000000 /* CONF: enable U-APSD */ 698 699 #define IEEE80211_FEXT_BITS \ 700 "\20\2INACT\3SCANWAIT\4BGSCAN\5WPS\6TSN\7SCANREQ\10RESUME" \ 701 "\0114ADDR\12NONEPR_PR\13SWBMISS\14DFS\15DOTD\16STATEWAIT\17REINIT" \ 702 "\20BPF\21WDSLEGACY\22PROBECHAN\23UNIQMAC\24SCAN_OFFLOAD\25SEQNO_OFFLOAD" \ 703 "\26FRAG_OFFLOAD\27VHT" \ 704 "\30QUIET_IE\31UAPSD" 705 706 /* ic_flags_ht/iv_flags_ht */ 707 #define IEEE80211_FHT_NONHT_PR 0x00000001 /* STATUS: non-HT sta present */ 708 #define IEEE80211_FHT_LDPC_TX 0x00010000 /* CONF: LDPC tx enabled */ 709 #define IEEE80211_FHT_LDPC_RX 0x00020000 /* CONF: LDPC rx enabled */ 710 #define IEEE80211_FHT_GF 0x00040000 /* CONF: Greenfield enabled */ 711 #define IEEE80211_FHT_HT 0x00080000 /* CONF: HT supported */ 712 #define IEEE80211_FHT_AMPDU_TX 0x00100000 /* CONF: A-MPDU tx supported */ 713 #define IEEE80211_FHT_AMPDU_RX 0x00200000 /* CONF: A-MPDU rx supported */ 714 #define IEEE80211_FHT_AMSDU_TX 0x00400000 /* CONF: A-MSDU tx supported */ 715 #define IEEE80211_FHT_AMSDU_RX 0x00800000 /* CONF: A-MSDU rx supported */ 716 #define IEEE80211_FHT_USEHT40 0x01000000 /* CONF: 20/40 use enabled */ 717 #define IEEE80211_FHT_PUREN 0x02000000 /* CONF: 11n w/o legacy sta's */ 718 #define IEEE80211_FHT_SHORTGI20 0x04000000 /* CONF: short GI in HT20 */ 719 #define IEEE80211_FHT_SHORTGI40 0x08000000 /* CONF: short GI in HT40 */ 720 #define IEEE80211_FHT_HTCOMPAT 0x10000000 /* CONF: HT vendor OUI's */ 721 #define IEEE80211_FHT_RIFS 0x20000000 /* CONF: RIFS enabled */ 722 #define IEEE80211_FHT_STBC_TX 0x40000000 /* CONF: STBC tx enabled */ 723 #define IEEE80211_FHT_STBC_RX 0x80000000 /* CONF: STBC rx enabled */ 724 725 #define IEEE80211_FHT_BITS \ 726 "\20\1NONHT_PR" \ 727 "\23GF\24HT\25AMPDU_TX\26AMPDU_TX" \ 728 "\27AMSDU_TX\30AMSDU_RX\31USEHT40\32PUREN\33SHORTGI20\34SHORTGI40" \ 729 "\35HTCOMPAT\36RIFS\37STBC_TX\40STBC_RX" 730 731 #define IEEE80211_FVEN_BITS "\20" 732 733 #define IEEE80211_FVHT_VHT 0x000000001 /* CONF: VHT supported */ 734 #define IEEE80211_FVHT_USEVHT40 0x000000002 /* CONF: Use VHT40 */ 735 #define IEEE80211_FVHT_USEVHT80 0x000000004 /* CONF: Use VHT80 */ 736 #define IEEE80211_FVHT_USEVHT160 0x000000008 /* CONF: Use VHT160 */ 737 #define IEEE80211_FVHT_USEVHT80P80 0x000000010 /* CONF: Use VHT 80+80 */ 738 #define IEEE80211_FVHT_MASK \ 739 (IEEE80211_FVHT_VHT | IEEE80211_FVHT_USEVHT40 | \ 740 IEEE80211_FVHT_USEVHT80 | IEEE80211_FVHT_USEVHT160 | \ 741 IEEE80211_FVHT_USEVHT80P80) 742 #define IEEE80211_VFHT_BITS \ 743 "\20\1VHT\2VHT40\3VHT80\4VHT160\5VHT80P80" 744 745 #define IEEE80211_COM_DETACHED 0x00000001 /* ieee80211_ifdetach called */ 746 #define IEEE80211_COM_REF_ADD 0x00000002 /* add / remove reference */ 747 #define IEEE80211_COM_REF 0xfffffffe /* reference counter bits */ 748 #define IEEE80211_COM_REF_S 1 749 #define IEEE80211_COM_REF_MAX (IEEE80211_COM_REF >> IEEE80211_COM_REF_S) 750 751 int ic_printf(struct ieee80211com *, const char *, ...) __printflike(2, 3); 752 void ieee80211_ifattach(struct ieee80211com *); 753 void ieee80211_ifdetach(struct ieee80211com *); 754 int ieee80211_vap_setup(struct ieee80211com *, struct ieee80211vap *, 755 const char name[IFNAMSIZ], int unit, 756 enum ieee80211_opmode opmode, int flags, 757 const uint8_t bssid[IEEE80211_ADDR_LEN]); 758 int ieee80211_vap_attach(struct ieee80211vap *, 759 ifm_change_cb_t, ifm_stat_cb_t, 760 const uint8_t macaddr[IEEE80211_ADDR_LEN]); 761 void ieee80211_vap_detach(struct ieee80211vap *); 762 const struct ieee80211_rateset *ieee80211_get_suprates(struct ieee80211com *ic, 763 const struct ieee80211_channel *); 764 const struct ieee80211_htrateset *ieee80211_get_suphtrates( 765 struct ieee80211com *, const struct ieee80211_channel *); 766 void ieee80211_announce(struct ieee80211com *); 767 void ieee80211_announce_channels(struct ieee80211com *); 768 void ieee80211_drain(struct ieee80211com *); 769 void ieee80211_chan_init(struct ieee80211com *); 770 struct ieee80211com *ieee80211_find_vap(const uint8_t mac[IEEE80211_ADDR_LEN]); 771 struct ieee80211com *ieee80211_find_com(const char *name); 772 typedef void ieee80211_com_iter_func(void *, struct ieee80211com *); 773 void ieee80211_iterate_coms(ieee80211_com_iter_func *, void *); 774 int ieee80211_media_change(struct ifnet *); 775 void ieee80211_media_status(struct ifnet *, struct ifmediareq *); 776 int ieee80211_ioctl(struct ifnet *, u_long, caddr_t); 777 int ieee80211_rate2media(struct ieee80211com *, int, 778 enum ieee80211_phymode); 779 int ieee80211_media2rate(int); 780 int ieee80211_mhz2ieee(u_int, u_int); 781 int ieee80211_chan2ieee(struct ieee80211com *, 782 const struct ieee80211_channel *); 783 u_int ieee80211_ieee2mhz(u_int, u_int); 784 int ieee80211_add_channel_cbw(struct ieee80211_channel[], int, int *, 785 uint8_t, uint16_t, int8_t, uint32_t, const uint8_t[], int); 786 int ieee80211_add_channel(struct ieee80211_channel[], int, int *, 787 uint8_t, uint16_t, int8_t, uint32_t, const uint8_t[]); 788 int ieee80211_add_channel_ht40(struct ieee80211_channel[], int, int *, 789 uint8_t, int8_t, uint32_t); 790 uint32_t ieee80211_get_channel_center_freq(const struct ieee80211_channel *); 791 uint32_t ieee80211_get_channel_center_freq1(const struct ieee80211_channel *); 792 uint32_t ieee80211_get_channel_center_freq2(const struct ieee80211_channel *); 793 #define NET80211_CBW_FLAG_HT40 0x01 794 #define NET80211_CBW_FLAG_VHT80 0x02 795 #define NET80211_CBW_FLAG_VHT160 0x04 796 #define NET80211_CBW_FLAG_VHT80P80 0x08 797 int ieee80211_add_channel_list_2ghz(struct ieee80211_channel[], int, int *, 798 const uint8_t[], int, const uint8_t[], int); 799 int ieee80211_add_channels_default_2ghz(struct ieee80211_channel[], int, 800 int *, const uint8_t[], int); 801 int ieee80211_add_channel_list_5ghz(struct ieee80211_channel[], int, int *, 802 const uint8_t[], int, const uint8_t[], int); 803 struct ieee80211_channel *ieee80211_find_channel(struct ieee80211com *, 804 int freq, int flags); 805 struct ieee80211_channel *ieee80211_find_channel_byieee(struct ieee80211com *, 806 int ieee, int flags); 807 struct ieee80211_channel *ieee80211_lookup_channel_rxstatus(struct ieee80211vap *, 808 const struct ieee80211_rx_stats *); 809 int ieee80211_setmode(struct ieee80211com *, enum ieee80211_phymode); 810 enum ieee80211_phymode ieee80211_chan2mode(const struct ieee80211_channel *); 811 uint32_t ieee80211_mac_hash(const struct ieee80211com *, 812 const uint8_t addr[IEEE80211_ADDR_LEN]); 813 char ieee80211_channel_type_char(const struct ieee80211_channel *c); 814 815 #define ieee80211_get_current_channel(_ic) ((_ic)->ic_curchan) 816 #define ieee80211_get_home_channel(_ic) ((_ic)->ic_bsschan) 817 #define ieee80211_get_vap_desired_channel(_iv) ((_iv)->iv_des_chan) 818 819 void ieee80211_radiotap_attach(struct ieee80211com *, 820 struct ieee80211_radiotap_header *th, int tlen, 821 uint32_t tx_radiotap, 822 struct ieee80211_radiotap_header *rh, int rlen, 823 uint32_t rx_radiotap); 824 void ieee80211_radiotap_attachv(struct ieee80211com *, 825 struct ieee80211_radiotap_header *th, 826 int tlen, int n_tx_v, uint32_t tx_radiotap, 827 struct ieee80211_radiotap_header *rh, 828 int rlen, int n_rx_v, uint32_t rx_radiotap); 829 void ieee80211_radiotap_detach(struct ieee80211com *); 830 void ieee80211_radiotap_vattach(struct ieee80211vap *); 831 void ieee80211_radiotap_vdetach(struct ieee80211vap *); 832 void ieee80211_radiotap_chan_change(struct ieee80211com *); 833 void ieee80211_radiotap_tx(struct ieee80211vap *, struct mbuf *); 834 void ieee80211_radiotap_rx(struct ieee80211vap *, struct mbuf *); 835 void ieee80211_radiotap_rx_all(struct ieee80211com *, struct mbuf *); 836 837 static __inline int 838 ieee80211_radiotap_active(const struct ieee80211com *ic) 839 { 840 return (ic->ic_flags_ext & IEEE80211_FEXT_BPF) != 0; 841 } 842 843 static __inline int 844 ieee80211_radiotap_active_vap(const struct ieee80211vap *vap) 845 { 846 return (vap->iv_flags_ext & IEEE80211_FEXT_BPF) || 847 vap->iv_ic->ic_montaps != 0; 848 } 849 850 /* 851 * Enqueue a task on the state thread. 852 */ 853 static __inline void 854 ieee80211_runtask(struct ieee80211com *ic, struct task *task) 855 { 856 taskqueue_enqueue(ic->ic_tq, task); 857 } 858 859 /* 860 * Wait for a queued task to complete. 861 */ 862 static __inline void 863 ieee80211_draintask(struct ieee80211com *ic, struct task *task) 864 { 865 taskqueue_drain(ic->ic_tq, task); 866 } 867 868 /* 869 * Key update synchronization methods. XXX should not be visible. 870 */ 871 static __inline void 872 ieee80211_key_update_begin(struct ieee80211vap *vap) 873 { 874 vap->iv_key_update_begin(vap); 875 } 876 static __inline void 877 ieee80211_key_update_end(struct ieee80211vap *vap) 878 { 879 vap->iv_key_update_end(vap); 880 } 881 882 /* 883 * XXX these need to be here for IEEE80211_F_DATAPAD 884 */ 885 886 /* 887 * Return the space occupied by the 802.11 header and any 888 * padding required by the driver. This works for a 889 * management or data frame. 890 */ 891 static __inline int 892 ieee80211_hdrspace(struct ieee80211com *ic, const void *data) 893 { 894 int size = ieee80211_hdrsize(data); 895 if (ic->ic_flags & IEEE80211_F_DATAPAD) 896 size = roundup(size, sizeof(uint32_t)); 897 return size; 898 } 899 900 /* 901 * Like ieee80211_hdrspace, but handles any type of frame. 902 */ 903 static __inline int 904 ieee80211_anyhdrspace(struct ieee80211com *ic, const void *data) 905 { 906 int size = ieee80211_anyhdrsize(data); 907 if (ic->ic_flags & IEEE80211_F_DATAPAD) 908 size = roundup(size, sizeof(uint32_t)); 909 return size; 910 } 911 912 /* 913 * Notify a vap that beacon state has been updated. 914 */ 915 static __inline void 916 ieee80211_beacon_notify(struct ieee80211vap *vap, int what) 917 { 918 if (vap->iv_state == IEEE80211_S_RUN) 919 vap->iv_update_beacon(vap, what); 920 } 921 922 /* 923 * Calculate HT channel promotion flags for a channel. 924 * XXX belongs in ieee80211_ht.h but needs IEEE80211_FHT_* 925 */ 926 static __inline int 927 ieee80211_htchanflags(const struct ieee80211_channel *c) 928 { 929 return IEEE80211_IS_CHAN_HT40(c) ? 930 IEEE80211_FHT_HT | IEEE80211_FHT_USEHT40 : 931 IEEE80211_IS_CHAN_HT(c) ? IEEE80211_FHT_HT : 0; 932 } 933 934 /* 935 * Calculate VHT channel promotion flags for a channel. 936 * XXX belongs in ieee80211_vht.h but needs IEEE80211_FVHT_* 937 */ 938 static __inline int 939 ieee80211_vhtchanflags(const struct ieee80211_channel *c) 940 { 941 942 if (IEEE80211_IS_CHAN_VHT160(c)) 943 return IEEE80211_FVHT_USEVHT160; 944 if (IEEE80211_IS_CHAN_VHT80P80(c)) 945 return IEEE80211_FVHT_USEVHT80P80; 946 if (IEEE80211_IS_CHAN_VHT80(c)) 947 return IEEE80211_FVHT_USEVHT80; 948 if (IEEE80211_IS_CHAN_VHT40(c)) 949 return IEEE80211_FVHT_USEVHT40; 950 if (IEEE80211_IS_CHAN_VHT(c)) 951 return IEEE80211_FVHT_VHT; 952 return (0); 953 } 954 955 /* 956 * Fetch the current TX power (cap) for the given node. 957 * 958 * This includes the node and ic/vap TX power limit as needed, 959 * but it doesn't take into account any per-rate limit. 960 */ 961 static __inline uint16_t 962 ieee80211_get_node_txpower(struct ieee80211_node *ni) 963 { 964 struct ieee80211com *ic = ni->ni_ic; 965 uint16_t txpower; 966 967 txpower = ni->ni_txpower; 968 txpower = MIN(txpower, ic->ic_txpowlimit); 969 if (ic->ic_curchan != NULL) { 970 txpower = MIN(txpower, 2 * ic->ic_curchan->ic_maxregpower); 971 txpower = MIN(txpower, ic->ic_curchan->ic_maxpower); 972 } 973 974 return (txpower); 975 } 976 977 /* 978 * Debugging facilities compiled in when IEEE80211_DEBUG is defined. 979 * 980 * The intent is that any problem in the net80211 layer can be 981 * diagnosed by inspecting the statistics (dumped by the wlanstats 982 * program) and/or the msgs generated by net80211. Messages are 983 * broken into functional classes and can be controlled with the 984 * wlandebug program. Certain of these msg groups are for facilities 985 * that are no longer part of net80211 (e.g. IEEE80211_MSG_DOT1XSM). 986 */ 987 #define IEEE80211_MSG_11N 0x80000000 /* 11n mode debug */ 988 #define IEEE80211_MSG_DEBUG 0x40000000 /* IFF_DEBUG equivalent */ 989 #define IEEE80211_MSG_DUMPPKTS 0x20000000 /* IFF_LINK2 equivalant */ 990 #define IEEE80211_MSG_CRYPTO 0x10000000 /* crypto work */ 991 #define IEEE80211_MSG_INPUT 0x08000000 /* input handling */ 992 #define IEEE80211_MSG_XRATE 0x04000000 /* rate set handling */ 993 #define IEEE80211_MSG_ELEMID 0x02000000 /* element id parsing */ 994 #define IEEE80211_MSG_NODE 0x01000000 /* node handling */ 995 #define IEEE80211_MSG_ASSOC 0x00800000 /* association handling */ 996 #define IEEE80211_MSG_AUTH 0x00400000 /* authentication handling */ 997 #define IEEE80211_MSG_SCAN 0x00200000 /* scanning */ 998 #define IEEE80211_MSG_OUTPUT 0x00100000 /* output handling */ 999 #define IEEE80211_MSG_STATE 0x00080000 /* state machine */ 1000 #define IEEE80211_MSG_POWER 0x00040000 /* power save handling */ 1001 #define IEEE80211_MSG_HWMP 0x00020000 /* hybrid mesh protocol */ 1002 #define IEEE80211_MSG_DOT1XSM 0x00010000 /* 802.1x state machine */ 1003 #define IEEE80211_MSG_RADIUS 0x00008000 /* 802.1x radius client */ 1004 #define IEEE80211_MSG_RADDUMP 0x00004000 /* dump 802.1x radius packets */ 1005 #define IEEE80211_MSG_MESH 0x00002000 /* mesh networking */ 1006 #define IEEE80211_MSG_WPA 0x00001000 /* WPA/RSN protocol */ 1007 #define IEEE80211_MSG_ACL 0x00000800 /* ACL handling */ 1008 #define IEEE80211_MSG_WME 0x00000400 /* WME protocol */ 1009 #define IEEE80211_MSG_SUPERG 0x00000200 /* Atheros SuperG protocol */ 1010 #define IEEE80211_MSG_DOTH 0x00000100 /* 802.11h support */ 1011 #define IEEE80211_MSG_INACT 0x00000080 /* inactivity handling */ 1012 #define IEEE80211_MSG_ROAM 0x00000040 /* sta-mode roaming */ 1013 #define IEEE80211_MSG_RATECTL 0x00000020 /* tx rate control */ 1014 #define IEEE80211_MSG_ACTION 0x00000010 /* action frame handling */ 1015 #define IEEE80211_MSG_WDS 0x00000008 /* WDS handling */ 1016 #define IEEE80211_MSG_IOCTL 0x00000004 /* ioctl handling */ 1017 #define IEEE80211_MSG_TDMA 0x00000002 /* TDMA handling */ 1018 1019 #define IEEE80211_MSG_ANY 0xffffffff /* anything */ 1020 1021 #define IEEE80211_MSG_BITS \ 1022 "\20\2TDMA\3IOCTL\4WDS\5ACTION\6RATECTL\7ROAM\10INACT\11DOTH\12SUPERG" \ 1023 "\13WME\14ACL\15WPA\16RADKEYS\17RADDUMP\20RADIUS\21DOT1XSM\22HWMP" \ 1024 "\23POWER\24STATE\25OUTPUT\26SCAN\27AUTH\30ASSOC\31NODE\32ELEMID" \ 1025 "\33XRATE\34INPUT\35CRYPTO\36DUPMPKTS\37DEBUG\04011N" 1026 1027 /* Helper macros unified. */ 1028 #define _IEEE80211_MASKSHIFT(_v, _f) (((_v) & _f) >> _f##_S) 1029 #define _IEEE80211_SHIFTMASK(_v, _f) (((_v) << _f##_S) & _f) 1030 1031 #ifdef IEEE80211_DEBUG 1032 #define ieee80211_msg(_vap, _m) ((_vap)->iv_debug & (_m)) 1033 #define IEEE80211_DPRINTF(_vap, _m, _fmt, ...) do { \ 1034 if (ieee80211_msg(_vap, _m)) \ 1035 ieee80211_note(_vap, _fmt, __VA_ARGS__); \ 1036 } while (0) 1037 #define IEEE80211_NOTE(_vap, _m, _ni, _fmt, ...) do { \ 1038 if (ieee80211_msg(_vap, _m)) \ 1039 ieee80211_note_mac(_vap, (_ni)->ni_macaddr, _fmt, __VA_ARGS__);\ 1040 } while (0) 1041 #define IEEE80211_NOTE_MAC(_vap, _m, _mac, _fmt, ...) do { \ 1042 if (ieee80211_msg(_vap, _m)) \ 1043 ieee80211_note_mac(_vap, _mac, _fmt, __VA_ARGS__); \ 1044 } while (0) 1045 #define IEEE80211_NOTE_FRAME(_vap, _m, _wh, _fmt, ...) do { \ 1046 if (ieee80211_msg(_vap, _m)) \ 1047 ieee80211_note_frame(_vap, _wh, _fmt, __VA_ARGS__); \ 1048 } while (0) 1049 void ieee80211_note(const struct ieee80211vap *, const char *, ...); 1050 void ieee80211_note_mac(const struct ieee80211vap *, 1051 const uint8_t mac[IEEE80211_ADDR_LEN], const char *, ...); 1052 void ieee80211_note_frame(const struct ieee80211vap *, 1053 const struct ieee80211_frame *, const char *, ...); 1054 #define ieee80211_msg_debug(_vap) \ 1055 ((_vap)->iv_debug & IEEE80211_MSG_DEBUG) 1056 #define ieee80211_msg_dumppkts(_vap) \ 1057 ((_vap)->iv_debug & IEEE80211_MSG_DUMPPKTS) 1058 #define ieee80211_msg_input(_vap) \ 1059 ((_vap)->iv_debug & IEEE80211_MSG_INPUT) 1060 #define ieee80211_msg_radius(_vap) \ 1061 ((_vap)->iv_debug & IEEE80211_MSG_RADIUS) 1062 #define ieee80211_msg_dumpradius(_vap) \ 1063 ((_vap)->iv_debug & IEEE80211_MSG_RADDUMP) 1064 #define ieee80211_msg_dumpradkeys(_vap) \ 1065 ((_vap)->iv_debug & IEEE80211_MSG_RADKEYS) 1066 #define ieee80211_msg_scan(_vap) \ 1067 ((_vap)->iv_debug & IEEE80211_MSG_SCAN) 1068 #define ieee80211_msg_assoc(_vap) \ 1069 ((_vap)->iv_debug & IEEE80211_MSG_ASSOC) 1070 1071 /* 1072 * Emit a debug message about discarding a frame or information 1073 * element. One format is for extracting the mac address from 1074 * the frame header; the other is for when a header is not 1075 * available or otherwise appropriate. 1076 */ 1077 #define IEEE80211_DISCARD(_vap, _m, _wh, _type, _fmt, ...) do { \ 1078 if ((_vap)->iv_debug & (_m)) \ 1079 ieee80211_discard_frame(_vap, _wh, _type, \ 1080 "%s:%d: " _fmt, __func__, __LINE__, __VA_ARGS__); \ 1081 } while (0) 1082 #define IEEE80211_DISCARD_IE(_vap, _m, _wh, _type, _fmt, ...) do { \ 1083 if ((_vap)->iv_debug & (_m)) \ 1084 ieee80211_discard_ie(_vap, _wh, _type, \ 1085 "%s:%d: " _fmt, __func__, __LINE__, __VA_ARGS__); \ 1086 } while (0) 1087 #define IEEE80211_DISCARD_MAC(_vap, _m, _mac, _type, _fmt, ...) do { \ 1088 if ((_vap)->iv_debug & (_m)) \ 1089 ieee80211_discard_mac(_vap, _mac, _type, \ 1090 "%s:%d: " _fmt, __func__, __LINE__, __VA_ARGS__); \ 1091 } while (0) 1092 1093 void ieee80211_discard_frame(const struct ieee80211vap *, 1094 const struct ieee80211_frame *, const char *type, const char *fmt, ...); 1095 void ieee80211_discard_ie(const struct ieee80211vap *, 1096 const struct ieee80211_frame *, const char *type, const char *fmt, ...); 1097 void ieee80211_discard_mac(const struct ieee80211vap *, 1098 const uint8_t mac[IEEE80211_ADDR_LEN], const char *type, 1099 const char *fmt, ...); 1100 #else 1101 #define IEEE80211_DPRINTF(_vap, _m, _fmt, ...) 1102 #define IEEE80211_NOTE(_vap, _m, _ni, _fmt, ...) 1103 #define IEEE80211_NOTE_FRAME(_vap, _m, _wh, _fmt, ...) 1104 #define IEEE80211_NOTE_MAC(_vap, _m, _mac, _fmt, ...) 1105 #define ieee80211_msg_dumppkts(_vap) 0 1106 #define ieee80211_msg(_vap, _m) 0 1107 1108 #define IEEE80211_DISCARD(_vap, _m, _wh, _type, _fmt, ...) 1109 #define IEEE80211_DISCARD_IE(_vap, _m, _wh, _type, _fmt, ...) 1110 #define IEEE80211_DISCARD_MAC(_vap, _m, _mac, _type, _fmt, ...) 1111 #endif 1112 1113 #endif /* _NET80211_IEEE80211_VAR_H_ */ 1114