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 #else 42 #error "No support for your operating system!" 43 #endif 44 45 #include <net80211/_ieee80211.h> 46 #include <net80211/ieee80211.h> 47 #include <net80211/ieee80211_ageq.h> 48 #include <net80211/ieee80211_crypto.h> 49 #include <net80211/ieee80211_dfs.h> 50 #include <net80211/ieee80211_ioctl.h> /* for ieee80211_stats */ 51 #include <net80211/ieee80211_phy.h> 52 #include <net80211/ieee80211_power.h> 53 #include <net80211/ieee80211_node.h> 54 #include <net80211/ieee80211_proto.h> 55 #include <net80211/ieee80211_radiotap.h> 56 #include <net80211/ieee80211_scan.h> 57 58 #define IEEE80211_TXPOWER_MAX 100 /* .5 dBm (XXX units?) */ 59 #define IEEE80211_TXPOWER_MIN 0 /* kill radio */ 60 61 #define IEEE80211_DTIM_DEFAULT 1 /* default DTIM period */ 62 #define IEEE80211_BINTVAL_DEFAULT 100 /* default beacon interval (TU's) */ 63 64 #define IEEE80211_BMISS_MAX 2 /* maximum consecutive bmiss allowed */ 65 #define IEEE80211_HWBMISS_DEFAULT 7 /* h/w bmiss threshold (beacons) */ 66 67 #define IEEE80211_BGSCAN_INTVAL_MIN 15 /* min bg scan intvl (secs) */ 68 #define IEEE80211_BGSCAN_INTVAL_DEFAULT (5*60) /* default bg scan intvl */ 69 70 #define IEEE80211_BGSCAN_IDLE_MIN 100 /* min idle time (ms) */ 71 #define IEEE80211_BGSCAN_IDLE_DEFAULT 250 /* default idle time (ms) */ 72 73 #define IEEE80211_SCAN_VALID_MIN 10 /* min scan valid time (secs) */ 74 #define IEEE80211_SCAN_VALID_DEFAULT 60 /* default scan valid time */ 75 76 #define IEEE80211_PS_SLEEP 0x1 /* STA is in power saving mode */ 77 #define IEEE80211_PS_MAX_QUEUE 50 /* maximum saved packets */ 78 79 #define IEEE80211_FIXED_RATE_NONE 0xff 80 #define IEEE80211_TXMAX_DEFAULT 6 /* default ucast max retries */ 81 82 #define IEEE80211_RTS_DEFAULT IEEE80211_RTS_MAX 83 #define IEEE80211_FRAG_DEFAULT IEEE80211_FRAG_MAX 84 85 #define IEEE80211_MS_TO_TU(x) (((x) * 1000) / 1024) 86 #define IEEE80211_TU_TO_MS(x) (((x) * 1024) / 1000) 87 /* XXX TODO: cap this at 1, in case hz is not 1000 */ 88 #define IEEE80211_TU_TO_TICKS(x)(((uint64_t)(x) * 1024 * hz) / (1000 * 1000)) 89 90 /* 91 * Technically, vhtflags may be 0 /and/ 11ac is enabled. 92 * At some point ic should just grow a flag somewhere that 93 * says that VHT is supported - and then this macro can be 94 * changed. 95 */ 96 #define IEEE80211_CONF_VHT(ic) \ 97 ((ic)->ic_flags_ext & IEEE80211_FEXT_VHT) 98 99 #define IEEE80211_CONF_SEQNO_OFFLOAD(ic) \ 100 ((ic)->ic_flags_ext & IEEE80211_FEXT_SEQNO_OFFLOAD) 101 #define IEEE80211_CONF_FRAG_OFFLOAD(ic) \ 102 ((ic)->ic_flags_ext & IEEE80211_FEXT_FRAG_OFFLOAD) 103 104 /* 105 * 802.11 control state is split into a common portion that maps 106 * 1-1 to a physical device and one or more "Virtual AP's" (VAP) 107 * that are bound to an ieee80211com instance and share a single 108 * underlying device. Each VAP has a corresponding OS device 109 * entity through which traffic flows and that applications use 110 * for issuing ioctls, etc. 111 */ 112 113 /* 114 * Data common to one or more virtual AP's. State shared by 115 * the underlying device and the net80211 layer is exposed here; 116 * e.g. device-specific callbacks. 117 */ 118 struct ieee80211vap; 119 typedef void (*ieee80211vap_attach)(struct ieee80211vap *); 120 121 struct ieee80211_appie { 122 uint16_t ie_len; /* size of ie_data */ 123 uint8_t ie_data[]; /* user-specified IE's */ 124 }; 125 126 struct ieee80211_tdma_param; 127 struct ieee80211_rate_table; 128 struct ieee80211_tx_ampdu; 129 struct ieee80211_rx_ampdu; 130 struct ieee80211_superg; 131 struct ieee80211_frame; 132 133 struct net80211dump_methods; 134 135 struct ieee80211com { 136 void *ic_softc; /* driver softc */ 137 const char *ic_name; /* usually device name */ 138 ieee80211_com_lock_t ic_comlock; /* state update lock */ 139 ieee80211_tx_lock_t ic_txlock; /* ic/vap TX lock */ 140 ieee80211_ff_lock_t ic_fflock; /* stageq/ni_tx_superg lock */ 141 LIST_ENTRY(ieee80211com) ic_next; /* on global list */ 142 TAILQ_HEAD(, ieee80211vap) ic_vaps; /* list of vap instances */ 143 int ic_headroom; /* driver tx headroom needs */ 144 enum ieee80211_phytype ic_phytype; /* XXX wrong for multi-mode */ 145 enum ieee80211_opmode ic_opmode; /* operation mode */ 146 struct callout ic_inact; /* inactivity processing */ 147 struct taskqueue *ic_tq; /* deferred state thread */ 148 struct task ic_parent_task; /* deferred parent processing */ 149 struct task ic_promisc_task;/* deferred promisc update */ 150 struct task ic_mcast_task; /* deferred mcast update */ 151 struct task ic_chan_task; /* deferred channel change */ 152 struct task ic_bmiss_task; /* deferred beacon miss hndlr */ 153 struct task ic_chw_task; /* deferred HT CHW update */ 154 struct task ic_restart_task; /* deferred device restart */ 155 156 counter_u64_t ic_ierrors; /* input errors */ 157 counter_u64_t ic_oerrors; /* output errors */ 158 159 uint32_t ic_flags; /* state flags */ 160 uint32_t ic_flags_ext; /* extended state flags */ 161 uint32_t ic_flags_ht; /* HT state flags */ 162 uint32_t ic_flags_ven; /* vendor state flags */ 163 uint32_t ic_caps; /* capabilities */ 164 uint32_t ic_htcaps; /* HT capabilities */ 165 uint32_t ic_htextcaps; /* HT extended capabilities */ 166 /* driver-supported software crypto caps */ 167 uint32_t ic_sw_cryptocaps; 168 uint32_t ic_cryptocaps; /* hardware crypto caps */ 169 /* set of mode capabilities */ 170 /* driver/net80211 sw KEYMGMT capabilities */ 171 uint32_t ic_sw_keymgmtcaps; 172 uint8_t ic_modecaps[IEEE80211_MODE_BYTES]; 173 uint8_t ic_promisc; /* vap's needing promisc mode */ 174 uint8_t ic_allmulti; /* vap's needing all multicast*/ 175 uint8_t ic_nrunning; /* vap's marked running */ 176 uint8_t ic_curmode; /* current mode */ 177 uint8_t ic_macaddr[IEEE80211_ADDR_LEN]; 178 uint16_t ic_bintval; /* beacon interval */ 179 uint16_t ic_lintval; /* listen interval */ 180 uint16_t ic_holdover; /* PM hold over duration */ 181 uint16_t ic_txpowlimit; /* global tx power limit */ 182 struct ieee80211_rateset ic_sup_rates[IEEE80211_MODE_MAX]; 183 struct ieee80211_htrateset ic_sup_htrates; 184 185 /* 186 * Channel state: 187 * 188 * ic_channels is the set of available channels for the device; 189 * it is setup by the driver 190 * ic_nchans is the number of valid entries in ic_channels 191 * ic_chan_avail is a bit vector of these channels used to check 192 * whether a channel is available w/o searching the channel table. 193 * ic_chan_active is a (potentially) constrained subset of 194 * ic_chan_avail that reflects any mode setting or user-specified 195 * limit on the set of channels to use/scan 196 * ic_curchan is the current channel the device is set to; it may 197 * be different from ic_bsschan when we are off-channel scanning 198 * or otherwise doing background work 199 * ic_bsschan is the channel selected for operation; it may 200 * be undefined (IEEE80211_CHAN_ANYC) 201 * ic_prevchan is a cached ``previous channel'' used to optimize 202 * lookups when switching back+forth between two channels 203 * (e.g. for dynamic turbo) 204 */ 205 int ic_nchans; /* # entries in ic_channels */ 206 struct ieee80211_channel ic_channels[IEEE80211_CHAN_MAX]; 207 uint8_t ic_chan_avail[IEEE80211_CHAN_BYTES]; 208 uint8_t ic_chan_active[IEEE80211_CHAN_BYTES]; 209 uint8_t ic_chan_scan[IEEE80211_CHAN_BYTES]; 210 struct ieee80211_channel *ic_curchan; /* current channel */ 211 const struct ieee80211_rate_table *ic_rt; /* table for ic_curchan */ 212 struct ieee80211_channel *ic_bsschan; /* bss channel */ 213 struct ieee80211_channel *ic_prevchan; /* previous channel */ 214 struct ieee80211_regdomain ic_regdomain;/* regulatory data */ 215 struct ieee80211_appie *ic_countryie; /* calculated country ie */ 216 struct ieee80211_channel *ic_countryie_chan; 217 218 /* 802.11h/DFS state */ 219 struct ieee80211_channel *ic_csa_newchan;/* channel for doing CSA */ 220 short ic_csa_mode; /* mode for doing CSA */ 221 short ic_csa_count; /* count for doing CSA */ 222 struct ieee80211_dfs_state ic_dfs; /* DFS state */ 223 224 struct ieee80211_scan_state *ic_scan; /* scan state */ 225 struct ieee80211_scan_methods *ic_scan_methods; /* scan methods */ 226 int ic_lastdata; /* time of last data frame */ 227 int ic_lastscan; /* time last scan completed */ 228 229 /* NB: this is the union of all vap stations/neighbors */ 230 int ic_max_keyix; /* max h/w key index */ 231 struct ieee80211_node_table ic_sta; /* stations/neighbors */ 232 struct ieee80211_ageq ic_stageq; /* frame staging queue */ 233 uint32_t ic_hash_key; /* random key for mac hash */ 234 235 /* XXX multi-bss: split out common/vap parts */ 236 struct ieee80211_wme_state ic_wme; /* WME/WMM state */ 237 238 /* Protection mode for net80211 driven channel NICs */ 239 enum ieee80211_protmode ic_protmode; /* 802.11g protection mode */ 240 enum ieee80211_protmode ic_htprotmode; /* HT protection mode */ 241 uint8_t ic_curhtprotmode;/* HTINFO bss state */ 242 243 uint8_t ic_rxstream; /* # RX streams */ 244 uint8_t ic_txstream; /* # TX streams */ 245 246 /* VHT information */ 247 uint32_t ic_vht_flags; /* VHT state flags */ 248 struct ieee80211_vht_cap ic_vht_cap; /* VHT capabilities + MCS info */ 249 uint32_t ic_vhtextcaps; /* VHT extended capabilities (TODO) */ 250 uint32_t ic_vht_spare[3]; 251 252 /* optional state for Atheros SuperG protocol extensions */ 253 struct ieee80211_superg *ic_superg; 254 255 /* radiotap handling */ 256 struct ieee80211_radiotap_header *ic_th;/* tx radiotap headers */ 257 void *ic_txchan; /* channel state in ic_th */ 258 struct ieee80211_radiotap_header *ic_rh;/* rx radiotap headers */ 259 void *ic_rxchan; /* channel state in ic_rh */ 260 int ic_montaps; /* active monitor mode taps */ 261 262 /* virtual ap create/delete */ 263 struct ieee80211vap* (*ic_vap_create)(struct ieee80211com *, 264 const char [IFNAMSIZ], int, 265 enum ieee80211_opmode, int, 266 const uint8_t [IEEE80211_ADDR_LEN], 267 const uint8_t [IEEE80211_ADDR_LEN]); 268 void (*ic_vap_delete)(struct ieee80211vap *); 269 /* device specific ioctls */ 270 int (*ic_ioctl)(struct ieee80211com *, 271 u_long, void *); 272 /* start/stop device */ 273 void (*ic_parent)(struct ieee80211com *); 274 /* operating mode attachment */ 275 ieee80211vap_attach ic_vattach[IEEE80211_OPMODE_MAX]; 276 /* return hardware/radio capabilities */ 277 void (*ic_getradiocaps)(struct ieee80211com *, 278 int, int *, struct ieee80211_channel []); 279 /* check and/or prepare regdomain state change */ 280 int (*ic_setregdomain)(struct ieee80211com *, 281 struct ieee80211_regdomain *, 282 int, struct ieee80211_channel []); 283 284 int (*ic_set_quiet)(struct ieee80211_node *, 285 u_int8_t *quiet_elm); 286 287 /* regular transmit */ 288 int (*ic_transmit)(struct ieee80211com *, 289 struct mbuf *); 290 /* send/recv 802.11 management frame */ 291 int (*ic_send_mgmt)(struct ieee80211_node *, 292 int, int); 293 /* send raw 802.11 frame */ 294 int (*ic_raw_xmit)(struct ieee80211_node *, 295 struct mbuf *, 296 const struct ieee80211_bpf_params *); 297 /* update device state for 802.11 slot time change */ 298 void (*ic_updateslot)(struct ieee80211com *); 299 /* handle multicast state changes */ 300 void (*ic_update_mcast)(struct ieee80211com *); 301 /* handle promiscuous mode changes */ 302 void (*ic_update_promisc)(struct ieee80211com *); 303 /* new station association callback/notification */ 304 void (*ic_newassoc)(struct ieee80211_node *, int); 305 /* TDMA update notification */ 306 void (*ic_tdma_update)(struct ieee80211_node *, 307 const struct ieee80211_tdma_param *, int); 308 309 /* Node state management */ 310 311 /* Allocate a new node */ 312 struct ieee80211_node* (*ic_node_alloc)(struct ieee80211vap *, 313 const uint8_t [IEEE80211_ADDR_LEN]); 314 315 /* Driver node initialisation after net80211 setup */ 316 int (*ic_node_init)(struct ieee80211_node *); 317 318 /* Driver node deallocation */ 319 void (*ic_node_free)(struct ieee80211_node *); 320 321 /* Driver node state cleanup before deallocation */ 322 void (*ic_node_cleanup)(struct ieee80211_node *); 323 324 void (*ic_node_age)(struct ieee80211_node *); 325 void (*ic_node_drain)(struct ieee80211_node *); 326 int8_t (*ic_node_getrssi)(const struct ieee80211_node*); 327 void (*ic_node_getsignal)(const struct ieee80211_node*, 328 int8_t *, int8_t *); 329 void (*ic_node_getmimoinfo)( 330 const struct ieee80211_node*, 331 struct ieee80211_mimo_info *); 332 /* scanning support */ 333 void (*ic_scan_start)(struct ieee80211com *); 334 void (*ic_scan_end)(struct ieee80211com *); 335 void (*ic_set_channel)(struct ieee80211com *); 336 void (*ic_scan_curchan)(struct ieee80211_scan_state *, 337 unsigned long); 338 void (*ic_scan_mindwell)(struct ieee80211_scan_state *); 339 340 /* 341 * 802.11n ADDBA support. A simple/generic implementation 342 * of A-MPDU tx aggregation is provided; the driver may 343 * override these methods to provide their own support. 344 * A-MPDU rx re-ordering happens automatically if the 345 * driver passes out-of-order frames to ieee80211_input 346 * from an assocated HT station. 347 */ 348 int (*ic_recv_action)(struct ieee80211_node *, 349 const struct ieee80211_frame *, 350 const uint8_t *frm, const uint8_t *efrm); 351 int (*ic_send_action)(struct ieee80211_node *, 352 int category, int action, void *); 353 /* check if A-MPDU should be enabled this station+ac */ 354 int (*ic_ampdu_enable)(struct ieee80211_node *, 355 struct ieee80211_tx_ampdu *); 356 /* start/stop doing A-MPDU tx aggregation for a station */ 357 int (*ic_addba_request)(struct ieee80211_node *, 358 struct ieee80211_tx_ampdu *, 359 int dialogtoken, int baparamset, 360 int batimeout); 361 int (*ic_addba_response)(struct ieee80211_node *, 362 struct ieee80211_tx_ampdu *, 363 int status, int baparamset, int batimeout); 364 void (*ic_addba_stop)(struct ieee80211_node *, 365 struct ieee80211_tx_ampdu *); 366 void (*ic_addba_response_timeout)(struct ieee80211_node *, 367 struct ieee80211_tx_ampdu *); 368 /* BAR response received */ 369 void (*ic_bar_response)(struct ieee80211_node *, 370 struct ieee80211_tx_ampdu *, int status); 371 /* start/stop doing A-MPDU rx processing for a station */ 372 int (*ic_ampdu_rx_start)(struct ieee80211_node *, 373 struct ieee80211_rx_ampdu *, int baparamset, 374 int batimeout, int baseqctl); 375 void (*ic_ampdu_rx_stop)(struct ieee80211_node *, 376 struct ieee80211_rx_ampdu *); 377 378 /* The channel width has changed (20<->2040) */ 379 void (*ic_update_chw)(struct ieee80211com *); 380 381 const struct debugnet80211_methods *ic_debugnet_meth; 382 uint64_t ic_spare[7]; 383 }; 384 385 struct ieee80211_aclator; 386 struct ieee80211_tdma_state; 387 struct ieee80211_mesh_state; 388 struct ieee80211_hwmp_state; 389 struct ieee80211_rx_histogram; 390 struct ieee80211_tx_histogram; 391 392 struct ieee80211vap { 393 struct ifmedia iv_media; /* interface media config */ 394 struct ifnet *iv_ifp; /* associated device */ 395 struct bpf_if *iv_rawbpf; /* packet filter structure */ 396 struct sysctl_ctx_list *iv_sysctl; /* dynamic sysctl context */ 397 struct sysctl_oid *iv_oid; /* net.wlan.X sysctl oid */ 398 399 TAILQ_ENTRY(ieee80211vap) iv_next; /* list of vap instances */ 400 struct ieee80211com *iv_ic; /* back ptr to common state */ 401 /* MAC address: ifp or ic */ 402 uint8_t iv_myaddr[IEEE80211_ADDR_LEN]; 403 uint32_t iv_debug; /* debug msg flags */ 404 struct ieee80211_stats iv_stats; /* statistics */ 405 406 uint32_t iv_flags; /* state flags */ 407 uint32_t iv_flags_ext; /* extended state flags */ 408 uint32_t iv_flags_ht; /* HT state flags */ 409 uint32_t iv_flags_ven; /* vendor state flags */ 410 uint32_t iv_ifflags; /* ifnet flags */ 411 uint32_t iv_caps; /* capabilities */ 412 uint32_t iv_htcaps; /* HT capabilities */ 413 uint32_t iv_htextcaps; /* HT extended capabilities */ 414 uint32_t iv_com_state; /* com usage / detached flag */ 415 enum ieee80211_opmode iv_opmode; /* operation mode */ 416 enum ieee80211_state iv_state; /* state machine state */ 417 418 /* Deferred state processing. */ 419 enum ieee80211_state iv_nstate; /* next pending state (historic) */ 420 #define NET80211_IV_NSTATE_NUM 8 421 int iv_nstate_b; /* First filled slot. */ 422 int iv_nstate_n; /* # of filled slots. */ 423 enum ieee80211_state iv_nstates[NET80211_IV_NSTATE_NUM]; /* queued pending state(s) */ 424 int iv_nstate_args[NET80211_IV_NSTATE_NUM]; /* queued pending state(s) arg */ 425 struct task iv_nstate_task[NET80211_IV_NSTATE_NUM]; 426 427 struct task iv_swbmiss_task;/* deferred iv_bmiss call */ 428 struct callout iv_mgtsend; /* mgmt frame response timer */ 429 /* inactivity timer settings */ 430 int iv_inact_init; /* setting for new station */ 431 int iv_inact_auth; /* auth but not assoc setting */ 432 int iv_inact_run; /* authorized setting */ 433 int iv_inact_probe; /* inactive probe time */ 434 435 /* VHT flags */ 436 uint32_t iv_vht_flags; /* VHT state flags */ 437 struct ieee80211_vht_cap iv_vht_cap; /* VHT capabilities + MCS info */ 438 uint32_t iv_vhtextcaps; /* VHT extended capabilities (TODO) */ 439 uint32_t iv_vht_spare[4]; 440 441 int iv_des_nssid; /* # desired ssids */ 442 struct ieee80211_scan_ssid iv_des_ssid[1];/* desired ssid table */ 443 uint8_t iv_des_bssid[IEEE80211_ADDR_LEN]; 444 struct ieee80211_channel *iv_des_chan; /* desired channel */ 445 uint16_t iv_des_mode; /* desired mode */ 446 int iv_nicknamelen; /* XXX junk */ 447 uint8_t iv_nickname[IEEE80211_NWID_LEN]; 448 u_int iv_bgscanidle; /* bg scan idle threshold */ 449 u_int iv_bgscanintvl; /* bg scan min interval */ 450 u_int iv_scanvalid; /* scan cache valid threshold */ 451 u_int iv_scanreq_duration; 452 u_int iv_scanreq_mindwell; 453 u_int iv_scanreq_maxdwell; 454 uint16_t iv_scanreq_flags;/* held scan request params */ 455 uint8_t iv_scanreq_nssid; 456 struct ieee80211_scan_ssid iv_scanreq_ssid[IEEE80211_SCAN_MAX_SSID]; 457 /* sta-mode roaming state */ 458 enum ieee80211_roamingmode iv_roaming; /* roaming mode */ 459 struct ieee80211_roamparam iv_roamparms[IEEE80211_MODE_MAX]; 460 461 uint8_t iv_bmissthreshold; 462 uint8_t iv_bmiss_count; /* current beacon miss count */ 463 int iv_bmiss_max; /* max bmiss before scan */ 464 uint16_t iv_swbmiss_count;/* beacons in last period */ 465 uint16_t iv_swbmiss_period;/* s/w bmiss period */ 466 struct callout iv_swbmiss; /* s/w beacon miss timer */ 467 468 int iv_ampdu_rxmax; /* A-MPDU rx limit (bytes) */ 469 int iv_ampdu_density;/* A-MPDU density */ 470 int iv_ampdu_limit; /* A-MPDU tx limit (bytes) */ 471 int iv_amsdu_limit; /* A-MSDU tx limit (bytes) */ 472 u_int iv_ampdu_mintraffic[WME_NUM_AC]; 473 474 struct ieee80211_beacon_offsets iv_bcn_off; 475 uint32_t *iv_aid_bitmap; /* association id map */ 476 uint16_t iv_max_aid; 477 uint16_t iv_sta_assoc; /* stations associated */ 478 uint16_t iv_ps_sta; /* stations in power save */ 479 uint16_t iv_ps_pending; /* ps sta's w/ pending frames */ 480 uint16_t iv_txseq; /* mcast xmit seq# space */ 481 uint16_t iv_tim_len; /* ic_tim_bitmap size (bytes) */ 482 uint8_t *iv_tim_bitmap; /* power-save stations w/ data*/ 483 uint8_t iv_dtim_period; /* DTIM period */ 484 uint8_t iv_dtim_count; /* DTIM count from last bcn */ 485 /* set/unset aid pwrsav state */ 486 uint8_t iv_quiet; /* Quiet Element */ 487 uint8_t iv_quiet_count; /* constant count for Quiet Element */ 488 uint8_t iv_quiet_count_value; /* variable count for Quiet Element */ 489 uint8_t iv_quiet_period; /* period for Quiet Element */ 490 uint16_t iv_quiet_duration; /* duration for Quiet Element */ 491 uint16_t iv_quiet_offset; /* offset for Quiet Element */ 492 int iv_csa_count; /* count for doing CSA */ 493 494 struct ieee80211_node *iv_bss; /* information for this node */ 495 struct ieee80211_txparam iv_txparms[IEEE80211_MODE_MAX]; 496 uint16_t iv_rtsthreshold; 497 uint16_t iv_fragthreshold; 498 int iv_inact_timer; /* inactivity timer wait */ 499 /* application-specified IE's to attach to mgt frames */ 500 struct ieee80211_appie *iv_appie_beacon; 501 struct ieee80211_appie *iv_appie_probereq; 502 struct ieee80211_appie *iv_appie_proberesp; 503 struct ieee80211_appie *iv_appie_assocreq; 504 struct ieee80211_appie *iv_appie_assocresp; 505 struct ieee80211_appie *iv_appie_wpa; 506 uint8_t *iv_wpa_ie; 507 uint8_t *iv_rsn_ie; 508 509 /* Key management */ 510 uint16_t iv_max_keyix; /* max h/w key index */ 511 ieee80211_keyix iv_def_txkey; /* default/group tx key index */ 512 struct ieee80211_key iv_nw_keys[IEEE80211_WEP_NKID]; 513 int (*iv_key_alloc)(struct ieee80211vap *, 514 struct ieee80211_key *, 515 ieee80211_keyix *, ieee80211_keyix *); 516 int (*iv_key_delete)(struct ieee80211vap *, 517 const struct ieee80211_key *); 518 int (*iv_key_set)(struct ieee80211vap *, 519 const struct ieee80211_key *); 520 void (*iv_key_update_begin)(struct ieee80211vap *); 521 void (*iv_key_update_end)(struct ieee80211vap *); 522 void (*iv_update_deftxkey)(struct ieee80211vap *, 523 ieee80211_keyix deftxkey); 524 525 const struct ieee80211_authenticator *iv_auth; /* authenticator glue */ 526 void *iv_ec; /* private auth state */ 527 528 const struct ieee80211_aclator *iv_acl; /* acl glue */ 529 void *iv_as; /* private aclator state */ 530 531 const struct ieee80211_ratectl *iv_rate; 532 void *iv_rs; /* private ratectl state */ 533 534 struct ieee80211_tdma_state *iv_tdma; /* tdma state */ 535 struct ieee80211_mesh_state *iv_mesh; /* MBSS state */ 536 struct ieee80211_hwmp_state *iv_hwmp; /* HWMP state */ 537 538 /* operate-mode detach hook */ 539 void (*iv_opdetach)(struct ieee80211vap *); 540 /* receive processing */ 541 int (*iv_input)(struct ieee80211_node *, 542 struct mbuf *, 543 const struct ieee80211_rx_stats *, 544 int, int); 545 void (*iv_recv_mgmt)(struct ieee80211_node *, 546 struct mbuf *, int, 547 const struct ieee80211_rx_stats *, 548 int, int); 549 void (*iv_recv_ctl)(struct ieee80211_node *, 550 struct mbuf *, int); 551 void (*iv_deliver_data)(struct ieee80211vap *, 552 struct ieee80211_node *, struct mbuf *); 553 #if 0 554 /* send processing */ 555 int (*iv_send_mgmt)(struct ieee80211_node *, 556 int, int); 557 #endif 558 /* beacon miss processing */ 559 void (*iv_bmiss)(struct ieee80211vap *); 560 /* reset device state after 802.11 parameter/state change */ 561 int (*iv_reset)(struct ieee80211vap *, u_long); 562 /* [schedule] beacon frame update */ 563 void (*iv_update_beacon)(struct ieee80211vap *, int); 564 /* power save handling */ 565 void (*iv_update_ps)(struct ieee80211vap *, int); 566 int (*iv_set_tim)(struct ieee80211_node *, int); 567 void (*iv_node_ps)(struct ieee80211_node *, int); 568 void (*iv_sta_ps)(struct ieee80211vap *, int); 569 void (*iv_recv_pspoll)(struct ieee80211_node *, 570 struct mbuf *); 571 572 /* state machine processing */ 573 int (*iv_newstate)(struct ieee80211vap *, 574 enum ieee80211_state, int); 575 struct ieee80211_node * (*iv_update_bss)(struct ieee80211vap *, 576 struct ieee80211_node *); 577 578 /* 802.3 output method for raw frame xmit */ 579 int (*iv_output)(struct ifnet *, struct mbuf *, 580 const struct sockaddr *, struct route *); 581 582 int (*iv_wme_update)(struct ieee80211vap *, 583 const struct wmeParams *wme_params); 584 struct task iv_wme_task; /* deferred VAP WME update */ 585 586 /* associated state; protection mode */ 587 enum ieee80211_protmode iv_protmode; /* 802.11g protection mode */ 588 enum ieee80211_protmode iv_htprotmode; /* HT protection mode */ 589 uint8_t iv_curhtprotmode;/* HTINFO bss state */ 590 591 uint16_t iv_nonerpsta; /* # non-ERP stations */ 592 uint16_t iv_longslotsta; /* # long slot time stations */ 593 uint16_t iv_ht_sta_assoc;/* HT stations associated */ 594 uint16_t iv_ht40_sta_assoc;/* HT40 stations associated */ 595 int iv_lastnonerp; /* last time non-ERP sta noted*/ 596 int iv_lastnonht; /* last time non-HT sta noted */ 597 598 /* update device state for 802.11 slot time change */ 599 void (*iv_updateslot)(struct ieee80211vap *); 600 struct task iv_slot_task; /* deferred slot time update */ 601 602 struct task iv_erp_protmode_task; /* deferred ERP protmode update */ 603 void (*iv_erp_protmode_update)(struct ieee80211vap *); 604 605 struct task iv_preamble_task; /* deferred short/barker preamble update */ 606 void (*iv_preamble_update)(struct ieee80211vap *); 607 608 struct task iv_ht_protmode_task; /* deferred HT protmode update */ 609 void (*iv_ht_protmode_update)(struct ieee80211vap *); 610 611 /* per-vap U-APSD state */ 612 uint8_t iv_uapsdinfo; /* sta mode QoS Info flags */ 613 614 /* Optional transmit/receive histogram statistics */ 615 struct ieee80211_rx_histogram *rx_histogram; 616 struct ieee80211_tx_histogram *tx_histogram; 617 618 uint64_t iv_spare[36]; 619 }; 620 MALLOC_DECLARE(M_80211_VAP); 621 622 #define IEEE80211_ADDR_EQ(a1,a2) (memcmp(a1,a2,IEEE80211_ADDR_LEN) == 0) 623 #define IEEE80211_ADDR_COPY(dst,src) memcpy(dst,src,IEEE80211_ADDR_LEN) 624 625 /* ic_flags/iv_flags */ 626 #define IEEE80211_F_TURBOP 0x00000001 /* CONF: ATH Turbo enabled*/ 627 #define IEEE80211_F_COMP 0x00000002 /* CONF: ATH comp enabled */ 628 #define IEEE80211_F_FF 0x00000004 /* CONF: ATH FF enabled */ 629 #define IEEE80211_F_BURST 0x00000008 /* CONF: bursting enabled */ 630 /* NB: this is intentionally setup to be IEEE80211_CAPINFO_PRIVACY */ 631 #define IEEE80211_F_PRIVACY 0x00000010 /* CONF: privacy enabled */ 632 #define IEEE80211_F_PUREG 0x00000020 /* CONF: 11g w/o 11b sta's */ 633 #define IEEE80211_F_SCAN 0x00000080 /* STATUS: scanning */ 634 /* 0x00000300 reserved */ 635 /* NB: this is intentionally setup to be IEEE80211_CAPINFO_SHORT_SLOTTIME */ 636 #define IEEE80211_F_SHSLOT 0x00000400 /* STATUS: use short slot time*/ 637 #define IEEE80211_F_PMGTON 0x00000800 /* CONF: Power mgmt enable */ 638 #define IEEE80211_F_DESBSSID 0x00001000 /* CONF: des_bssid is set */ 639 #define IEEE80211_F_WME 0x00002000 /* CONF: enable WME use */ 640 #define IEEE80211_F_BGSCAN 0x00004000 /* CONF: bg scan enabled (???)*/ 641 #define IEEE80211_F_SWRETRY 0x00008000 /* CONF: sw tx retry enabled */ 642 /* 0x00030000 reserved */ 643 #define IEEE80211_F_SHPREAMBLE 0x00040000 /* STATUS: use short preamble */ 644 #define IEEE80211_F_DATAPAD 0x00080000 /* CONF: do alignment pad */ 645 #define IEEE80211_F_USEPROT 0x00100000 /* STATUS: protection enabled */ 646 #define IEEE80211_F_USEBARKER 0x00200000 /* STATUS: use barker preamble*/ 647 #define IEEE80211_F_CSAPENDING 0x00400000 /* STATUS: chan switch pending*/ 648 #define IEEE80211_F_WPA1 0x00800000 /* CONF: WPA enabled */ 649 #define IEEE80211_F_WPA2 0x01000000 /* CONF: WPA2 enabled */ 650 #define IEEE80211_F_WPA 0x01800000 /* CONF: WPA/WPA2 enabled */ 651 #define IEEE80211_F_DROPUNENC 0x02000000 /* CONF: drop unencrypted */ 652 #define IEEE80211_F_COUNTERM 0x04000000 /* CONF: TKIP countermeasures */ 653 #define IEEE80211_F_HIDESSID 0x08000000 /* CONF: hide SSID in beacon */ 654 #define IEEE80211_F_NOBRIDGE 0x10000000 /* CONF: dis. internal bridge */ 655 #define IEEE80211_F_PCF 0x20000000 /* CONF: PCF enabled */ 656 #define IEEE80211_F_DOTH 0x40000000 /* CONF: 11h enabled */ 657 #define IEEE80211_F_DWDS 0x80000000 /* CONF: Dynamic WDS enabled */ 658 659 #define IEEE80211_F_BITS \ 660 "\20\1TURBOP\2COMP\3FF\4BURST\5PRIVACY\6PUREG\10SCAN" \ 661 "\13SHSLOT\14PMGTON\15DESBSSID\16WME\17BGSCAN\20SWRETRY" \ 662 "\23SHPREAMBLE\24DATAPAD\25USEPROT\26USERBARKER\27CSAPENDING" \ 663 "\30WPA1\31WPA2\32DROPUNENC\33COUNTERM\34HIDESSID\35NOBRIDG\36PCF" \ 664 "\37DOTH\40DWDS" 665 666 /* Atheros protocol-specific flags */ 667 #define IEEE80211_F_ATHEROS \ 668 (IEEE80211_F_FF | IEEE80211_F_COMP | IEEE80211_F_TURBOP) 669 /* Check if an Atheros capability was negotiated for use */ 670 #define IEEE80211_ATH_CAP(vap, ni, bit) \ 671 ((vap)->iv_flags & (ni)->ni_ath_flags & (bit)) 672 673 /* ic_flags_ext/iv_flags_ext */ 674 #define IEEE80211_FEXT_INACT 0x00000002 /* CONF: sta inact handling */ 675 #define IEEE80211_FEXT_SCANWAIT 0x00000004 /* STATUS: awaiting scan */ 676 /* 0x00000006 reserved */ 677 #define IEEE80211_FEXT_BGSCAN 0x00000008 /* STATUS: complete bgscan */ 678 #define IEEE80211_FEXT_WPS 0x00000010 /* CONF: WPS enabled */ 679 #define IEEE80211_FEXT_TSN 0x00000020 /* CONF: TSN enabled */ 680 #define IEEE80211_FEXT_SCANREQ 0x00000040 /* STATUS: scan req params */ 681 #define IEEE80211_FEXT_RESUME 0x00000080 /* STATUS: start on resume */ 682 #define IEEE80211_FEXT_4ADDR 0x00000100 /* CONF: apply 4-addr encap */ 683 #define IEEE80211_FEXT_NONERP_PR 0x00000200 /* STATUS: non-ERP sta present*/ 684 #define IEEE80211_FEXT_SWBMISS 0x00000400 /* CONF: do bmiss in s/w */ 685 #define IEEE80211_FEXT_DFS 0x00000800 /* CONF: DFS enabled */ 686 #define IEEE80211_FEXT_DOTD 0x00001000 /* CONF: 11d enabled */ 687 #define IEEE80211_FEXT_STATEWAIT 0x00002000 /* STATUS: awaiting state chg */ 688 #define IEEE80211_FEXT_REINIT 0x00004000 /* STATUS: INIT state first */ 689 #define IEEE80211_FEXT_BPF 0x00008000 /* STATUS: BPF tap present */ 690 /* NB: immutable: should be set only when creating a vap */ 691 #define IEEE80211_FEXT_WDSLEGACY 0x00010000 /* CONF: legacy WDS operation */ 692 #define IEEE80211_FEXT_PROBECHAN 0x00020000 /* CONF: probe passive channel*/ 693 #define IEEE80211_FEXT_UNIQMAC 0x00040000 /* CONF: user or computed mac */ 694 #define IEEE80211_FEXT_SCAN_OFFLOAD 0x00080000 /* CONF: scan is fully offloaded */ 695 #define IEEE80211_FEXT_SEQNO_OFFLOAD 0x00100000 /* CONF: driver does seqno insertion/allocation */ 696 #define IEEE80211_FEXT_FRAG_OFFLOAD 0x00200000 /* CONF: hardware does 802.11 fragmentation + assignment */ 697 #define IEEE80211_FEXT_VHT 0x00400000 /* CONF: VHT support */ 698 #define IEEE80211_FEXT_QUIET_IE 0x00800000 /* STATUS: quiet IE in a beacon has been added */ 699 #define IEEE80211_FEXT_UAPSD 0x01000000 /* CONF: enable U-APSD */ 700 701 #define IEEE80211_FEXT_BITS \ 702 "\20\2INACT\3SCANWAIT\4BGSCAN\5WPS\6TSN\7SCANREQ\10RESUME" \ 703 "\0114ADDR\12NONEPR_PR\13SWBMISS\14DFS\15DOTD\16STATEWAIT\17REINIT" \ 704 "\20BPF\21WDSLEGACY\22PROBECHAN\23UNIQMAC\24SCAN_OFFLOAD\25SEQNO_OFFLOAD" \ 705 "\26FRAG_OFFLOAD\27VHT" \ 706 "\30QUIET_IE\31UAPSD" 707 708 /* ic_flags_ht/iv_flags_ht */ 709 #define IEEE80211_FHT_NONHT_PR 0x00000001 /* STATUS: non-HT sta present */ 710 #define IEEE80211_FHT_LDPC_TX 0x00010000 /* CONF: LDPC tx enabled */ 711 #define IEEE80211_FHT_LDPC_RX 0x00020000 /* CONF: LDPC rx enabled */ 712 #define IEEE80211_FHT_GF 0x00040000 /* CONF: Greenfield enabled */ 713 #define IEEE80211_FHT_HT 0x00080000 /* CONF: HT supported */ 714 #define IEEE80211_FHT_AMPDU_TX 0x00100000 /* CONF: A-MPDU tx supported */ 715 #define IEEE80211_FHT_AMPDU_RX 0x00200000 /* CONF: A-MPDU rx supported */ 716 #define IEEE80211_FHT_AMSDU_TX 0x00400000 /* CONF: A-MSDU tx supported */ 717 #define IEEE80211_FHT_AMSDU_RX 0x00800000 /* CONF: A-MSDU rx supported */ 718 #define IEEE80211_FHT_USEHT40 0x01000000 /* CONF: 20/40 use enabled */ 719 #define IEEE80211_FHT_PUREN 0x02000000 /* CONF: 11n w/o legacy sta's */ 720 #define IEEE80211_FHT_SHORTGI20 0x04000000 /* CONF: short GI in HT20 */ 721 #define IEEE80211_FHT_SHORTGI40 0x08000000 /* CONF: short GI in HT40 */ 722 #define IEEE80211_FHT_HTCOMPAT 0x10000000 /* CONF: HT vendor OUI's */ 723 #define IEEE80211_FHT_RIFS 0x20000000 /* CONF: RIFS enabled */ 724 #define IEEE80211_FHT_STBC_TX 0x40000000 /* CONF: STBC tx enabled */ 725 #define IEEE80211_FHT_STBC_RX 0x80000000 /* CONF: STBC rx enabled */ 726 727 #define IEEE80211_FHT_BITS \ 728 "\20\1NONHT_PR" \ 729 "\21LDPC_TX\22LDPC_RX\23GF\24HT\25AMPDU_TX\26AMPDU_RX" \ 730 "\27AMSDU_TX\30AMSDU_RX\31USEHT40\32PUREN\33SHORTGI20\34SHORTGI40" \ 731 "\35HTCOMPAT\36RIFS\37STBC_TX\40STBC_RX" 732 733 #define IEEE80211_FVEN_BITS "\20" 734 735 #define IEEE80211_FVHT_VHT 0x000000001 /* CONF: VHT supported */ 736 #define IEEE80211_FVHT_USEVHT40 0x000000002 /* CONF: Use VHT40 */ 737 #define IEEE80211_FVHT_USEVHT80 0x000000004 /* CONF: Use VHT80 */ 738 #define IEEE80211_FVHT_USEVHT160 0x000000008 /* CONF: Use VHT160 */ 739 #define IEEE80211_FVHT_USEVHT80P80 0x000000010 /* CONF: Use VHT 80+80 */ 740 #define IEEE80211_FVHT_STBC_TX 0x00000020 /* CONF: STBC tx enabled */ 741 #define IEEE80211_FVHT_STBC_RX 0x00000040 /* CONF: STBC rx enabled */ 742 743 #define IEEE80211_FVHT_CHANWIDTH_MASK \ 744 (IEEE80211_FVHT_VHT | IEEE80211_FVHT_USEVHT40 | \ 745 IEEE80211_FVHT_USEVHT80 | IEEE80211_FVHT_USEVHT160 | \ 746 IEEE80211_FVHT_USEVHT80P80) 747 748 #define IEEE80211_FVHT_MASK \ 749 (IEEE80211_FVHT_CHANWIDTH_MASK | \ 750 IEEE80211_FVHT_STBC_TX | IEEE80211_FVHT_STBC_RX) 751 752 #define IEEE80211_VFHT_BITS \ 753 "\20\1VHT\2VHT40\3VHT80\4VHT160\5VHT80P80\6STBC_TX\7STBC_RX" 754 755 #define IEEE80211_COM_DETACHED 0x00000001 /* ieee80211_ifdetach called */ 756 #define IEEE80211_COM_REF_ADD 0x00000002 /* add / remove reference */ 757 #define IEEE80211_COM_REF 0xfffffffe /* reference counter bits */ 758 #define IEEE80211_COM_REF_S 1 759 #define IEEE80211_COM_REF_MAX (IEEE80211_COM_REF >> IEEE80211_COM_REF_S) 760 761 int ic_printf(struct ieee80211com *, const char *, ...) __printflike(2, 3); 762 void ieee80211_ifattach(struct ieee80211com *); 763 void ieee80211_ifdetach(struct ieee80211com *); 764 void ieee80211_set_software_ciphers(struct ieee80211com *, 765 uint32_t cipher_suite); 766 void ieee80211_set_hardware_ciphers(struct ieee80211com *, 767 uint32_t cipher_suite); 768 void ieee80211_set_driver_keymgmt_suites(struct ieee80211com *ic, 769 uint32_t keymgmt_set); 770 int ieee80211_vap_setup(struct ieee80211com *, struct ieee80211vap *, 771 const char name[IFNAMSIZ], int unit, 772 enum ieee80211_opmode opmode, int flags, 773 const uint8_t bssid[IEEE80211_ADDR_LEN]); 774 int ieee80211_vap_attach(struct ieee80211vap *, 775 ifm_change_cb_t, ifm_stat_cb_t, 776 const uint8_t macaddr[IEEE80211_ADDR_LEN]); 777 void ieee80211_vap_detach(struct ieee80211vap *); 778 const struct ieee80211_rateset *ieee80211_get_suprates(struct ieee80211com *ic, 779 const struct ieee80211_channel *); 780 const struct ieee80211_htrateset *ieee80211_get_suphtrates( 781 struct ieee80211com *, const struct ieee80211_channel *); 782 void ieee80211_announce(struct ieee80211com *); 783 void ieee80211_announce_channels(struct ieee80211com *); 784 void ieee80211_drain(struct ieee80211com *); 785 void ieee80211_chan_init(struct ieee80211com *); 786 struct ieee80211com *ieee80211_find_vap(const uint8_t mac[IEEE80211_ADDR_LEN]); 787 struct ieee80211com *ieee80211_find_com(const char *name); 788 typedef void ieee80211_com_iter_func(void *, struct ieee80211com *); 789 void ieee80211_iterate_coms(ieee80211_com_iter_func *, void *); 790 int ieee80211_media_change(struct ifnet *); 791 void ieee80211_media_status(struct ifnet *, struct ifmediareq *); 792 int ieee80211_ioctl(struct ifnet *, u_long, caddr_t); 793 int ieee80211_rate2media(struct ieee80211com *, int, 794 enum ieee80211_phymode); 795 int ieee80211_media2rate(int); 796 int ieee80211_mhz2ieee(u_int, u_int); 797 int ieee80211_chan2ieee(struct ieee80211com *, 798 const struct ieee80211_channel *); 799 u_int ieee80211_ieee2mhz(u_int, u_int); 800 int ieee80211_add_channel_cbw(struct ieee80211_channel[], int, int *, 801 uint8_t, uint16_t, int8_t, uint32_t, const uint8_t[], int); 802 int ieee80211_add_channel(struct ieee80211_channel[], int, int *, 803 uint8_t, uint16_t, int8_t, uint32_t, const uint8_t[]); 804 int ieee80211_add_channel_ht40(struct ieee80211_channel[], int, int *, 805 uint8_t, int8_t, uint32_t); 806 uint32_t ieee80211_get_channel_center_freq(const struct ieee80211_channel *); 807 uint32_t ieee80211_get_channel_center_freq1(const struct ieee80211_channel *); 808 uint32_t ieee80211_get_channel_center_freq2(const struct ieee80211_channel *); 809 #define NET80211_CBW_FLAG_HT40 0x01 810 #define NET80211_CBW_FLAG_VHT80 0x02 811 #define NET80211_CBW_FLAG_VHT160 0x04 812 #define NET80211_CBW_FLAG_VHT80P80 0x08 813 int ieee80211_add_channel_list_2ghz(struct ieee80211_channel[], int, int *, 814 const uint8_t[], int, const uint8_t[], int); 815 int ieee80211_add_channels_default_2ghz(struct ieee80211_channel[], int, 816 int *, const uint8_t[], int); 817 int ieee80211_add_channel_list_5ghz(struct ieee80211_channel[], int, int *, 818 const uint8_t[], int, const uint8_t[], int); 819 struct ieee80211_channel *ieee80211_find_channel(struct ieee80211com *, 820 int freq, int flags); 821 struct ieee80211_channel *ieee80211_find_channel_byieee(struct ieee80211com *, 822 int ieee, int flags); 823 struct ieee80211_channel *ieee80211_lookup_channel_rxstatus(struct ieee80211vap *, 824 const struct ieee80211_rx_stats *); 825 int ieee80211_setmode(struct ieee80211com *, enum ieee80211_phymode); 826 enum ieee80211_phymode ieee80211_chan2mode(const struct ieee80211_channel *); 827 uint32_t ieee80211_mac_hash(const struct ieee80211com *, 828 const uint8_t addr[IEEE80211_ADDR_LEN]); 829 char ieee80211_channel_type_char(const struct ieee80211_channel *c); 830 831 #define ieee80211_get_current_channel(_ic) ((_ic)->ic_curchan) 832 #define ieee80211_get_home_channel(_ic) ((_ic)->ic_bsschan) 833 #define ieee80211_get_vap_desired_channel(_iv) ((_iv)->iv_des_chan) 834 835 bool ieee80211_is_key_global(const struct ieee80211vap *vap, 836 const struct ieee80211_key *key); 837 bool ieee80211_is_key_unicast(const struct ieee80211vap *vap, 838 const struct ieee80211_key *key); 839 840 void ieee80211_radiotap_attach(struct ieee80211com *, 841 struct ieee80211_radiotap_header *th, int tlen, 842 uint32_t tx_radiotap, 843 struct ieee80211_radiotap_header *rh, int rlen, 844 uint32_t rx_radiotap); 845 void ieee80211_radiotap_attachv(struct ieee80211com *, 846 struct ieee80211_radiotap_header *th, 847 int tlen, int n_tx_v, uint32_t tx_radiotap, 848 struct ieee80211_radiotap_header *rh, 849 int rlen, int n_rx_v, uint32_t rx_radiotap); 850 void ieee80211_radiotap_detach(struct ieee80211com *); 851 void ieee80211_radiotap_vattach(struct ieee80211vap *); 852 void ieee80211_radiotap_vdetach(struct ieee80211vap *); 853 void ieee80211_radiotap_chan_change(struct ieee80211com *); 854 void ieee80211_radiotap_tx(struct ieee80211vap *, struct mbuf *); 855 void ieee80211_radiotap_rx(struct ieee80211vap *, struct mbuf *); 856 void ieee80211_radiotap_rx_all(struct ieee80211com *, struct mbuf *); 857 858 static __inline int 859 ieee80211_radiotap_active(const struct ieee80211com *ic) 860 { 861 return (ic->ic_flags_ext & IEEE80211_FEXT_BPF) != 0; 862 } 863 864 static __inline int 865 ieee80211_radiotap_active_vap(const struct ieee80211vap *vap) 866 { 867 return (vap->iv_flags_ext & IEEE80211_FEXT_BPF) || 868 vap->iv_ic->ic_montaps != 0; 869 } 870 871 /* 872 * Enqueue a task on the state thread. 873 */ 874 static __inline void 875 ieee80211_runtask(struct ieee80211com *ic, struct task *task) 876 { 877 taskqueue_enqueue(ic->ic_tq, task); 878 } 879 880 /* 881 * Wait for a queued task to complete. 882 */ 883 static __inline void 884 ieee80211_draintask(struct ieee80211com *ic, struct task *task) 885 { 886 taskqueue_drain(ic->ic_tq, task); 887 } 888 889 /* 890 * Key update synchronization methods. XXX should not be visible. 891 */ 892 static __inline void 893 ieee80211_key_update_begin(struct ieee80211vap *vap) 894 { 895 vap->iv_key_update_begin(vap); 896 } 897 static __inline void 898 ieee80211_key_update_end(struct ieee80211vap *vap) 899 { 900 vap->iv_key_update_end(vap); 901 } 902 903 /* 904 * XXX these need to be here for IEEE80211_F_DATAPAD 905 */ 906 907 /* 908 * Return the space occupied by the 802.11 header and any 909 * padding required by the driver. This works for a 910 * management or data frame. 911 */ 912 static __inline int 913 ieee80211_hdrspace(struct ieee80211com *ic, const void *data) 914 { 915 int size = ieee80211_hdrsize(data); 916 if (ic->ic_flags & IEEE80211_F_DATAPAD) 917 size = roundup(size, sizeof(uint32_t)); 918 return size; 919 } 920 921 /* 922 * Like ieee80211_hdrspace, but handles any type of frame. 923 */ 924 static __inline int 925 ieee80211_anyhdrspace(struct ieee80211com *ic, const void *data) 926 { 927 int size = ieee80211_anyhdrsize(data); 928 if (ic->ic_flags & IEEE80211_F_DATAPAD) 929 size = roundup(size, sizeof(uint32_t)); 930 return size; 931 } 932 933 /* 934 * Notify a vap that beacon state has been updated. 935 */ 936 static __inline void 937 ieee80211_beacon_notify(struct ieee80211vap *vap, int what) 938 { 939 if (vap->iv_state == IEEE80211_S_RUN) 940 vap->iv_update_beacon(vap, what); 941 } 942 943 /* 944 * Calculate HT channel promotion flags for a channel. 945 * XXX belongs in ieee80211_ht.h but needs IEEE80211_FHT_* 946 */ 947 static __inline int 948 ieee80211_htchanflags(const struct ieee80211_channel *c) 949 { 950 return IEEE80211_IS_CHAN_HT40(c) ? 951 IEEE80211_FHT_HT | IEEE80211_FHT_USEHT40 : 952 IEEE80211_IS_CHAN_HT(c) ? IEEE80211_FHT_HT : 0; 953 } 954 955 /* 956 * Calculate VHT channel promotion flags for a channel. 957 * XXX belongs in ieee80211_vht.h but needs IEEE80211_FVHT_* 958 */ 959 static __inline int 960 ieee80211_vhtchanflags(const struct ieee80211_channel *c) 961 { 962 963 if (IEEE80211_IS_CHAN_VHT160(c)) 964 return IEEE80211_FVHT_USEVHT160; 965 if (IEEE80211_IS_CHAN_VHT80P80(c)) 966 return IEEE80211_FVHT_USEVHT80P80; 967 if (IEEE80211_IS_CHAN_VHT80(c)) 968 return IEEE80211_FVHT_USEVHT80; 969 if (IEEE80211_IS_CHAN_VHT40(c)) 970 return IEEE80211_FVHT_USEVHT40; 971 if (IEEE80211_IS_CHAN_VHT(c)) 972 return IEEE80211_FVHT_VHT; 973 return (0); 974 } 975 976 /* 977 * Fetch the current TX power (cap) for the given node. 978 * 979 * This includes the node and ic/vap TX power limit as needed, 980 * but it doesn't take into account any per-rate limit. 981 */ 982 static __inline uint16_t 983 ieee80211_get_node_txpower(struct ieee80211_node *ni) 984 { 985 struct ieee80211com *ic = ni->ni_ic; 986 uint16_t txpower; 987 988 txpower = ni->ni_txpower; 989 txpower = MIN(txpower, ic->ic_txpowlimit); 990 if (ic->ic_curchan != NULL) { 991 txpower = MIN(txpower, 2 * ic->ic_curchan->ic_maxregpower); 992 txpower = MIN(txpower, ic->ic_curchan->ic_maxpower); 993 } 994 995 return (txpower); 996 } 997 998 /* 999 * Debugging facilities compiled in when IEEE80211_DEBUG is defined. 1000 * 1001 * The intent is that any problem in the net80211 layer can be 1002 * diagnosed by inspecting the statistics (dumped by the wlanstats 1003 * program) and/or the msgs generated by net80211. Messages are 1004 * broken into functional classes and can be controlled with the 1005 * wlandebug program. Certain of these msg groups are for facilities 1006 * that are no longer part of net80211 (e.g. IEEE80211_MSG_DOT1XSM). 1007 */ 1008 #define IEEE80211_MSG_11N 0x80000000 /* 11n mode debug */ 1009 #define IEEE80211_MSG_DEBUG 0x40000000 /* IFF_DEBUG equivalent */ 1010 #define IEEE80211_MSG_DUMPPKTS 0x20000000 /* IFF_LINK2 equivalant */ 1011 #define IEEE80211_MSG_CRYPTO 0x10000000 /* crypto work */ 1012 #define IEEE80211_MSG_INPUT 0x08000000 /* input handling */ 1013 #define IEEE80211_MSG_XRATE 0x04000000 /* rate set handling */ 1014 #define IEEE80211_MSG_ELEMID 0x02000000 /* element id parsing */ 1015 #define IEEE80211_MSG_NODE 0x01000000 /* node handling */ 1016 #define IEEE80211_MSG_ASSOC 0x00800000 /* association handling */ 1017 #define IEEE80211_MSG_AUTH 0x00400000 /* authentication handling */ 1018 #define IEEE80211_MSG_SCAN 0x00200000 /* scanning */ 1019 #define IEEE80211_MSG_OUTPUT 0x00100000 /* output handling */ 1020 #define IEEE80211_MSG_STATE 0x00080000 /* state machine */ 1021 #define IEEE80211_MSG_POWER 0x00040000 /* power save handling */ 1022 #define IEEE80211_MSG_HWMP 0x00020000 /* hybrid mesh protocol */ 1023 #define IEEE80211_MSG_DOT1XSM 0x00010000 /* 802.1x state machine */ 1024 #define IEEE80211_MSG_RADIUS 0x00008000 /* 802.1x radius client */ 1025 #define IEEE80211_MSG_RADDUMP 0x00004000 /* dump 802.1x radius packets */ 1026 #define IEEE80211_MSG_MESH 0x00002000 /* mesh networking */ 1027 #define IEEE80211_MSG_WPA 0x00001000 /* WPA/RSN protocol */ 1028 #define IEEE80211_MSG_ACL 0x00000800 /* ACL handling */ 1029 #define IEEE80211_MSG_WME 0x00000400 /* WME protocol */ 1030 #define IEEE80211_MSG_SUPERG 0x00000200 /* Atheros SuperG protocol */ 1031 #define IEEE80211_MSG_DOTH 0x00000100 /* 802.11h support */ 1032 #define IEEE80211_MSG_INACT 0x00000080 /* inactivity handling */ 1033 #define IEEE80211_MSG_ROAM 0x00000040 /* sta-mode roaming */ 1034 #define IEEE80211_MSG_RATECTL 0x00000020 /* tx rate control */ 1035 #define IEEE80211_MSG_ACTION 0x00000010 /* action frame handling */ 1036 #define IEEE80211_MSG_WDS 0x00000008 /* WDS handling */ 1037 #define IEEE80211_MSG_IOCTL 0x00000004 /* ioctl handling */ 1038 #define IEEE80211_MSG_TDMA 0x00000002 /* TDMA handling */ 1039 1040 #define IEEE80211_MSG_ANY 0xffffffff /* anything */ 1041 1042 #define IEEE80211_MSG_BITS \ 1043 "\20\2TDMA\3IOCTL\4WDS\5ACTION\6RATECTL\7ROAM\10INACT\11DOTH\12SUPERG" \ 1044 "\13WME\14ACL\15WPA\16RADKEYS\17RADDUMP\20RADIUS\21DOT1XSM\22HWMP" \ 1045 "\23POWER\24STATE\25OUTPUT\26SCAN\27AUTH\30ASSOC\31NODE\32ELEMID" \ 1046 "\33XRATE\34INPUT\35CRYPTO\36DUPMPKTS\37DEBUG\04011N" 1047 1048 /* Helper macros unified. */ 1049 #define _IEEE80211_MASKSHIFT(_v, _f) (((_v) & _f) >> _f##_S) 1050 #define _IEEE80211_SHIFTMASK(_v, _f) (((_v) << _f##_S) & _f) 1051 1052 #ifdef IEEE80211_DEBUG 1053 #define ieee80211_msg(_vap, _m) ((_vap)->iv_debug & (_m)) 1054 #define IEEE80211_DPRINTF(_vap, _m, _fmt, ...) do { \ 1055 if (ieee80211_msg(_vap, _m)) \ 1056 ieee80211_note(_vap, _fmt, __VA_ARGS__); \ 1057 } while (0) 1058 #define IEEE80211_NOTE(_vap, _m, _ni, _fmt, ...) do { \ 1059 if (ieee80211_msg(_vap, _m)) \ 1060 ieee80211_note_mac(_vap, (_ni)->ni_macaddr, _fmt, __VA_ARGS__);\ 1061 } while (0) 1062 #define IEEE80211_NOTE_MAC(_vap, _m, _mac, _fmt, ...) do { \ 1063 if (ieee80211_msg(_vap, _m)) \ 1064 ieee80211_note_mac(_vap, _mac, _fmt, __VA_ARGS__); \ 1065 } while (0) 1066 #define IEEE80211_NOTE_FRAME(_vap, _m, _wh, _fmt, ...) do { \ 1067 if (ieee80211_msg(_vap, _m)) \ 1068 ieee80211_note_frame(_vap, _wh, _fmt, __VA_ARGS__); \ 1069 } while (0) 1070 void ieee80211_note(const struct ieee80211vap *, const char *, ...); 1071 void ieee80211_note_mac(const struct ieee80211vap *, 1072 const uint8_t mac[IEEE80211_ADDR_LEN], const char *, ...); 1073 void ieee80211_note_frame(const struct ieee80211vap *, 1074 const struct ieee80211_frame *, const char *, ...); 1075 #define ieee80211_msg_debug(_vap) \ 1076 ((_vap)->iv_debug & IEEE80211_MSG_DEBUG) 1077 #define ieee80211_msg_dumppkts(_vap) \ 1078 ((_vap)->iv_debug & IEEE80211_MSG_DUMPPKTS) 1079 #define ieee80211_msg_input(_vap) \ 1080 ((_vap)->iv_debug & IEEE80211_MSG_INPUT) 1081 #define ieee80211_msg_radius(_vap) \ 1082 ((_vap)->iv_debug & IEEE80211_MSG_RADIUS) 1083 #define ieee80211_msg_dumpradius(_vap) \ 1084 ((_vap)->iv_debug & IEEE80211_MSG_RADDUMP) 1085 #define ieee80211_msg_dumpradkeys(_vap) \ 1086 ((_vap)->iv_debug & IEEE80211_MSG_RADKEYS) 1087 #define ieee80211_msg_scan(_vap) \ 1088 ((_vap)->iv_debug & IEEE80211_MSG_SCAN) 1089 #define ieee80211_msg_assoc(_vap) \ 1090 ((_vap)->iv_debug & IEEE80211_MSG_ASSOC) 1091 1092 /* 1093 * Emit a debug message about discarding a frame or information 1094 * element. One format is for extracting the mac address from 1095 * the frame header; the other is for when a header is not 1096 * available or otherwise appropriate. 1097 */ 1098 #define IEEE80211_DISCARD(_vap, _m, _wh, _type, _fmt, ...) do { \ 1099 if ((_vap)->iv_debug & (_m)) \ 1100 ieee80211_discard_frame(_vap, _wh, _type, \ 1101 "%s:%d: " _fmt, __func__, __LINE__, __VA_ARGS__); \ 1102 } while (0) 1103 #define IEEE80211_DISCARD_IE(_vap, _m, _wh, _type, _fmt, ...) do { \ 1104 if ((_vap)->iv_debug & (_m)) \ 1105 ieee80211_discard_ie(_vap, _wh, _type, \ 1106 "%s:%d: " _fmt, __func__, __LINE__, __VA_ARGS__); \ 1107 } while (0) 1108 #define IEEE80211_DISCARD_MAC(_vap, _m, _mac, _type, _fmt, ...) do { \ 1109 if ((_vap)->iv_debug & (_m)) \ 1110 ieee80211_discard_mac(_vap, _mac, _type, \ 1111 "%s:%d: " _fmt, __func__, __LINE__, __VA_ARGS__); \ 1112 } while (0) 1113 1114 void ieee80211_discard_frame(const struct ieee80211vap *, 1115 const struct ieee80211_frame *, const char *type, const char *fmt, ...); 1116 void ieee80211_discard_ie(const struct ieee80211vap *, 1117 const struct ieee80211_frame *, const char *type, const char *fmt, ...); 1118 void ieee80211_discard_mac(const struct ieee80211vap *, 1119 const uint8_t mac[IEEE80211_ADDR_LEN], const char *type, 1120 const char *fmt, ...); 1121 #else 1122 #define IEEE80211_DPRINTF(_vap, _m, _fmt, ...) 1123 #define IEEE80211_NOTE(_vap, _m, _ni, _fmt, ...) 1124 #define IEEE80211_NOTE_FRAME(_vap, _m, _wh, _fmt, ...) 1125 #define IEEE80211_NOTE_MAC(_vap, _m, _mac, _fmt, ...) 1126 #define ieee80211_msg_dumppkts(_vap) 0 1127 #define ieee80211_msg(_vap, _m) 0 1128 1129 #define IEEE80211_DISCARD(_vap, _m, _wh, _type, _fmt, ...) 1130 #define IEEE80211_DISCARD_IE(_vap, _m, _wh, _type, _fmt, ...) 1131 #define IEEE80211_DISCARD_MAC(_vap, _m, _mac, _type, _fmt, ...) 1132 #endif 1133 1134 #endif /* _NET80211_IEEE80211_VAR_H_ */ 1135