1 /*- 2 * Copyright (c) 2001 Atsushi Onoe 3 * Copyright (c) 2002-2009 Sam Leffler, Errno Consulting 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 * 26 * $FreeBSD$ 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 ieee80211com { 134 void *ic_softc; /* driver softc */ 135 const char *ic_name; /* usually device name */ 136 ieee80211_com_lock_t ic_comlock; /* state update lock */ 137 ieee80211_tx_lock_t ic_txlock; /* ic/vap TX lock */ 138 ieee80211_ff_lock_t ic_fflock; /* stageq/ni_tx_superg lock */ 139 LIST_ENTRY(ieee80211com) ic_next; /* on global list */ 140 TAILQ_HEAD(, ieee80211vap) ic_vaps; /* list of vap instances */ 141 int ic_headroom; /* driver tx headroom needs */ 142 enum ieee80211_phytype ic_phytype; /* XXX wrong for multi-mode */ 143 enum ieee80211_opmode ic_opmode; /* operation mode */ 144 struct callout ic_inact; /* inactivity processing */ 145 struct taskqueue *ic_tq; /* deferred state thread */ 146 struct task ic_parent_task; /* deferred parent processing */ 147 struct task ic_promisc_task;/* deferred promisc update */ 148 struct task ic_mcast_task; /* deferred mcast update */ 149 struct task ic_chan_task; /* deferred channel change */ 150 struct task ic_bmiss_task; /* deferred beacon miss hndlr */ 151 struct task ic_chw_task; /* deferred HT CHW update */ 152 struct task ic_restart_task; /* deferred device restart */ 153 154 counter_u64_t ic_ierrors; /* input errors */ 155 counter_u64_t ic_oerrors; /* output errors */ 156 157 uint32_t ic_flags; /* state flags */ 158 uint32_t ic_flags_ext; /* extended state flags */ 159 uint32_t ic_flags_ht; /* HT state flags */ 160 uint32_t ic_flags_ven; /* vendor state flags */ 161 uint32_t ic_caps; /* capabilities */ 162 uint32_t ic_htcaps; /* HT capabilities */ 163 uint32_t ic_htextcaps; /* HT extended capabilities */ 164 uint32_t ic_cryptocaps; /* crypto capabilities */ 165 /* set of mode capabilities */ 166 uint8_t ic_modecaps[IEEE80211_MODE_BYTES]; 167 uint8_t ic_promisc; /* vap's needing promisc mode */ 168 uint8_t ic_allmulti; /* vap's needing all multicast*/ 169 uint8_t ic_nrunning; /* vap's marked running */ 170 uint8_t ic_curmode; /* current mode */ 171 uint8_t ic_macaddr[IEEE80211_ADDR_LEN]; 172 uint16_t ic_bintval; /* beacon interval */ 173 uint16_t ic_lintval; /* listen interval */ 174 uint16_t ic_holdover; /* PM hold over duration */ 175 uint16_t ic_txpowlimit; /* global tx power limit */ 176 struct ieee80211_rateset ic_sup_rates[IEEE80211_MODE_MAX]; 177 struct ieee80211_htrateset ic_sup_htrates; 178 179 /* 180 * Channel state: 181 * 182 * ic_channels is the set of available channels for the device; 183 * it is setup by the driver 184 * ic_nchans is the number of valid entries in ic_channels 185 * ic_chan_avail is a bit vector of these channels used to check 186 * whether a channel is available w/o searching the channel table. 187 * ic_chan_active is a (potentially) constrained subset of 188 * ic_chan_avail that reflects any mode setting or user-specified 189 * limit on the set of channels to use/scan 190 * ic_curchan is the current channel the device is set to; it may 191 * be different from ic_bsschan when we are off-channel scanning 192 * or otherwise doing background work 193 * ic_bsschan is the channel selected for operation; it may 194 * be undefined (IEEE80211_CHAN_ANYC) 195 * ic_prevchan is a cached ``previous channel'' used to optimize 196 * lookups when switching back+forth between two channels 197 * (e.g. for dynamic turbo) 198 */ 199 int ic_nchans; /* # entries in ic_channels */ 200 struct ieee80211_channel ic_channels[IEEE80211_CHAN_MAX]; 201 uint8_t ic_chan_avail[IEEE80211_CHAN_BYTES]; 202 uint8_t ic_chan_active[IEEE80211_CHAN_BYTES]; 203 uint8_t ic_chan_scan[IEEE80211_CHAN_BYTES]; 204 struct ieee80211_channel *ic_curchan; /* current channel */ 205 const struct ieee80211_rate_table *ic_rt; /* table for ic_curchan */ 206 struct ieee80211_channel *ic_bsschan; /* bss channel */ 207 struct ieee80211_channel *ic_prevchan; /* previous channel */ 208 struct ieee80211_regdomain ic_regdomain;/* regulatory data */ 209 struct ieee80211_appie *ic_countryie; /* calculated country ie */ 210 struct ieee80211_channel *ic_countryie_chan; 211 212 /* 802.11h/DFS state */ 213 struct ieee80211_channel *ic_csa_newchan;/* channel for doing CSA */ 214 short ic_csa_mode; /* mode for doing CSA */ 215 short ic_csa_count; /* count for doing CSA */ 216 struct ieee80211_dfs_state ic_dfs; /* DFS state */ 217 218 struct ieee80211_scan_state *ic_scan; /* scan state */ 219 struct ieee80211_scan_methods *ic_scan_methods; /* scan methods */ 220 int ic_lastdata; /* time of last data frame */ 221 int ic_lastscan; /* time last scan completed */ 222 223 /* NB: this is the union of all vap stations/neighbors */ 224 int ic_max_keyix; /* max h/w key index */ 225 struct ieee80211_node_table ic_sta; /* stations/neighbors */ 226 struct ieee80211_ageq ic_stageq; /* frame staging queue */ 227 uint32_t ic_hash_key; /* random key for mac hash */ 228 229 /* XXX multi-bss: split out common/vap parts */ 230 struct ieee80211_wme_state ic_wme; /* WME/WMM state */ 231 232 /* XXX multi-bss: can per-vap be done/make sense? */ 233 enum ieee80211_protmode ic_protmode; /* 802.11g protection mode */ 234 uint16_t ic_nonerpsta; /* # non-ERP stations */ 235 uint16_t ic_longslotsta; /* # long slot time stations */ 236 uint16_t ic_sta_assoc; /* stations associated */ 237 uint16_t ic_ht_sta_assoc;/* HT stations associated */ 238 uint16_t ic_ht40_sta_assoc;/* HT40 stations associated */ 239 uint8_t ic_curhtprotmode;/* HTINFO bss state */ 240 enum ieee80211_protmode ic_htprotmode; /* HT protection mode */ 241 int ic_lastnonerp; /* last time non-ERP sta noted*/ 242 int ic_lastnonht; /* last time non-HT sta noted */ 243 uint8_t ic_rxstream; /* # RX streams */ 244 uint8_t ic_txstream; /* # TX streams */ 245 246 /* VHT information */ 247 uint32_t ic_vhtcaps; /* VHT capabilities */ 248 uint32_t ic_vhtextcaps; /* VHT extended capabilities (TODO) */ 249 struct ieee80211_vht_mcs_info ic_vht_mcsinfo; /* Support TX/RX VHT MCS */ 250 uint32_t ic_flags_vht; /* VHT state flags */ 251 uint32_t ic_vht_spare[3]; 252 253 /* optional state for Atheros SuperG protocol extensions */ 254 struct ieee80211_superg *ic_superg; 255 256 /* radiotap handling */ 257 struct ieee80211_radiotap_header *ic_th;/* tx radiotap headers */ 258 void *ic_txchan; /* channel state in ic_th */ 259 struct ieee80211_radiotap_header *ic_rh;/* rx radiotap headers */ 260 void *ic_rxchan; /* channel state in ic_rh */ 261 int ic_montaps; /* active monitor mode taps */ 262 263 /* virtual ap create/delete */ 264 struct ieee80211vap* (*ic_vap_create)(struct ieee80211com *, 265 const char [IFNAMSIZ], int, 266 enum ieee80211_opmode, int, 267 const uint8_t [IEEE80211_ADDR_LEN], 268 const uint8_t [IEEE80211_ADDR_LEN]); 269 void (*ic_vap_delete)(struct ieee80211vap *); 270 /* device specific ioctls */ 271 int (*ic_ioctl)(struct ieee80211com *, 272 u_long, void *); 273 /* start/stop device */ 274 void (*ic_parent)(struct ieee80211com *); 275 /* operating mode attachment */ 276 ieee80211vap_attach ic_vattach[IEEE80211_OPMODE_MAX]; 277 /* return hardware/radio capabilities */ 278 void (*ic_getradiocaps)(struct ieee80211com *, 279 int, int *, struct ieee80211_channel []); 280 /* check and/or prepare regdomain state change */ 281 int (*ic_setregdomain)(struct ieee80211com *, 282 struct ieee80211_regdomain *, 283 int, struct ieee80211_channel []); 284 285 int (*ic_set_quiet)(struct ieee80211_node *, 286 u_int8_t *quiet_elm); 287 288 /* regular transmit */ 289 int (*ic_transmit)(struct ieee80211com *, 290 struct mbuf *); 291 /* send/recv 802.11 management frame */ 292 int (*ic_send_mgmt)(struct ieee80211_node *, 293 int, int); 294 /* send raw 802.11 frame */ 295 int (*ic_raw_xmit)(struct ieee80211_node *, 296 struct mbuf *, 297 const struct ieee80211_bpf_params *); 298 /* update device state for 802.11 slot time change */ 299 void (*ic_updateslot)(struct ieee80211com *); 300 /* handle multicast state changes */ 301 void (*ic_update_mcast)(struct ieee80211com *); 302 /* handle promiscuous mode changes */ 303 void (*ic_update_promisc)(struct ieee80211com *); 304 /* new station association callback/notification */ 305 void (*ic_newassoc)(struct ieee80211_node *, int); 306 /* TDMA update notification */ 307 void (*ic_tdma_update)(struct ieee80211_node *, 308 const struct ieee80211_tdma_param *, int); 309 /* node state management */ 310 struct ieee80211_node* (*ic_node_alloc)(struct ieee80211vap *, 311 const uint8_t [IEEE80211_ADDR_LEN]); 312 void (*ic_node_free)(struct ieee80211_node *); 313 void (*ic_node_cleanup)(struct ieee80211_node *); 314 void (*ic_node_age)(struct ieee80211_node *); 315 void (*ic_node_drain)(struct ieee80211_node *); 316 int8_t (*ic_node_getrssi)(const struct ieee80211_node*); 317 void (*ic_node_getsignal)(const struct ieee80211_node*, 318 int8_t *, int8_t *); 319 void (*ic_node_getmimoinfo)( 320 const struct ieee80211_node*, 321 struct ieee80211_mimo_info *); 322 /* scanning support */ 323 void (*ic_scan_start)(struct ieee80211com *); 324 void (*ic_scan_end)(struct ieee80211com *); 325 void (*ic_set_channel)(struct ieee80211com *); 326 void (*ic_scan_curchan)(struct ieee80211_scan_state *, 327 unsigned long); 328 void (*ic_scan_mindwell)(struct ieee80211_scan_state *); 329 330 /* 331 * 802.11n ADDBA support. A simple/generic implementation 332 * of A-MPDU tx aggregation is provided; the driver may 333 * override these methods to provide their own support. 334 * A-MPDU rx re-ordering happens automatically if the 335 * driver passes out-of-order frames to ieee80211_input 336 * from an assocated HT station. 337 */ 338 int (*ic_recv_action)(struct ieee80211_node *, 339 const struct ieee80211_frame *, 340 const uint8_t *frm, const uint8_t *efrm); 341 int (*ic_send_action)(struct ieee80211_node *, 342 int category, int action, void *); 343 /* check if A-MPDU should be enabled this station+ac */ 344 int (*ic_ampdu_enable)(struct ieee80211_node *, 345 struct ieee80211_tx_ampdu *); 346 /* start/stop doing A-MPDU tx aggregation for a station */ 347 int (*ic_addba_request)(struct ieee80211_node *, 348 struct ieee80211_tx_ampdu *, 349 int dialogtoken, int baparamset, 350 int batimeout); 351 int (*ic_addba_response)(struct ieee80211_node *, 352 struct ieee80211_tx_ampdu *, 353 int status, int baparamset, int batimeout); 354 void (*ic_addba_stop)(struct ieee80211_node *, 355 struct ieee80211_tx_ampdu *); 356 void (*ic_addba_response_timeout)(struct ieee80211_node *, 357 struct ieee80211_tx_ampdu *); 358 /* BAR response received */ 359 void (*ic_bar_response)(struct ieee80211_node *, 360 struct ieee80211_tx_ampdu *, int status); 361 /* start/stop doing A-MPDU rx processing for a station */ 362 int (*ic_ampdu_rx_start)(struct ieee80211_node *, 363 struct ieee80211_rx_ampdu *, int baparamset, 364 int batimeout, int baseqctl); 365 void (*ic_ampdu_rx_stop)(struct ieee80211_node *, 366 struct ieee80211_rx_ampdu *); 367 368 /* The channel width has changed (20<->2040) */ 369 void (*ic_update_chw)(struct ieee80211com *); 370 371 uint64_t ic_spare[7]; 372 }; 373 374 struct ieee80211_aclator; 375 struct ieee80211_tdma_state; 376 struct ieee80211_mesh_state; 377 struct ieee80211_hwmp_state; 378 379 struct ieee80211vap { 380 struct ifmedia iv_media; /* interface media config */ 381 struct ifnet *iv_ifp; /* associated device */ 382 struct bpf_if *iv_rawbpf; /* packet filter structure */ 383 struct sysctl_ctx_list *iv_sysctl; /* dynamic sysctl context */ 384 struct sysctl_oid *iv_oid; /* net.wlan.X sysctl oid */ 385 386 TAILQ_ENTRY(ieee80211vap) iv_next; /* list of vap instances */ 387 struct ieee80211com *iv_ic; /* back ptr to common state */ 388 /* MAC address: ifp or ic */ 389 uint8_t iv_myaddr[IEEE80211_ADDR_LEN]; 390 uint32_t iv_debug; /* debug msg flags */ 391 struct ieee80211_stats iv_stats; /* statistics */ 392 393 uint32_t iv_flags; /* state flags */ 394 uint32_t iv_flags_ext; /* extended state flags */ 395 uint32_t iv_flags_ht; /* HT state flags */ 396 uint32_t iv_flags_ven; /* vendor state flags */ 397 uint32_t iv_ifflags; /* ifnet flags */ 398 uint32_t iv_caps; /* capabilities */ 399 uint32_t iv_htcaps; /* HT capabilities */ 400 uint32_t iv_htextcaps; /* HT extended capabilities */ 401 enum ieee80211_opmode iv_opmode; /* operation mode */ 402 enum ieee80211_state iv_state; /* state machine state */ 403 enum ieee80211_state iv_nstate; /* pending state */ 404 int iv_nstate_arg; /* pending state arg */ 405 struct task iv_nstate_task; /* deferred state processing */ 406 struct task iv_swbmiss_task;/* deferred iv_bmiss call */ 407 struct callout iv_mgtsend; /* mgmt frame response timer */ 408 /* inactivity timer settings */ 409 int iv_inact_init; /* setting for new station */ 410 int iv_inact_auth; /* auth but not assoc setting */ 411 int iv_inact_run; /* authorized setting */ 412 int iv_inact_probe; /* inactive probe time */ 413 414 /* VHT flags */ 415 uint32_t iv_flags_vht; /* VHT state flags */ 416 uint32_t iv_vhtcaps; /* VHT capabilities */ 417 uint32_t iv_vhtextcaps; /* VHT extended capabilities (TODO) */ 418 struct ieee80211_vht_mcs_info iv_vht_mcsinfo; 419 uint32_t iv_vht_spare[4]; 420 421 int iv_des_nssid; /* # desired ssids */ 422 struct ieee80211_scan_ssid iv_des_ssid[1];/* desired ssid table */ 423 uint8_t iv_des_bssid[IEEE80211_ADDR_LEN]; 424 struct ieee80211_channel *iv_des_chan; /* desired channel */ 425 uint16_t iv_des_mode; /* desired mode */ 426 int iv_nicknamelen; /* XXX junk */ 427 uint8_t iv_nickname[IEEE80211_NWID_LEN]; 428 u_int iv_bgscanidle; /* bg scan idle threshold */ 429 u_int iv_bgscanintvl; /* bg scan min interval */ 430 u_int iv_scanvalid; /* scan cache valid threshold */ 431 u_int iv_scanreq_duration; 432 u_int iv_scanreq_mindwell; 433 u_int iv_scanreq_maxdwell; 434 uint16_t iv_scanreq_flags;/* held scan request params */ 435 uint8_t iv_scanreq_nssid; 436 struct ieee80211_scan_ssid iv_scanreq_ssid[IEEE80211_SCAN_MAX_SSID]; 437 /* sta-mode roaming state */ 438 enum ieee80211_roamingmode iv_roaming; /* roaming mode */ 439 struct ieee80211_roamparam iv_roamparms[IEEE80211_MODE_MAX]; 440 441 uint8_t iv_bmissthreshold; 442 uint8_t iv_bmiss_count; /* current beacon miss count */ 443 int iv_bmiss_max; /* max bmiss before scan */ 444 uint16_t iv_swbmiss_count;/* beacons in last period */ 445 uint16_t iv_swbmiss_period;/* s/w bmiss period */ 446 struct callout iv_swbmiss; /* s/w beacon miss timer */ 447 448 int iv_ampdu_rxmax; /* A-MPDU rx limit (bytes) */ 449 int iv_ampdu_density;/* A-MPDU density */ 450 int iv_ampdu_limit; /* A-MPDU tx limit (bytes) */ 451 int iv_amsdu_limit; /* A-MSDU tx limit (bytes) */ 452 u_int iv_ampdu_mintraffic[WME_NUM_AC]; 453 454 struct ieee80211_beacon_offsets iv_bcn_off; 455 uint32_t *iv_aid_bitmap; /* association id map */ 456 uint16_t iv_max_aid; 457 uint16_t iv_sta_assoc; /* stations associated */ 458 uint16_t iv_ps_sta; /* stations in power save */ 459 uint16_t iv_ps_pending; /* ps sta's w/ pending frames */ 460 uint16_t iv_txseq; /* mcast xmit seq# space */ 461 uint16_t iv_tim_len; /* ic_tim_bitmap size (bytes) */ 462 uint8_t *iv_tim_bitmap; /* power-save stations w/ data*/ 463 uint8_t iv_dtim_period; /* DTIM period */ 464 uint8_t iv_dtim_count; /* DTIM count from last bcn */ 465 /* set/unset aid pwrsav state */ 466 uint8_t iv_quiet; /* Quiet Element */ 467 uint8_t iv_quiet_count; /* constant count for Quiet Element */ 468 uint8_t iv_quiet_count_value; /* variable count for Quiet Element */ 469 uint8_t iv_quiet_period; /* period for Quiet Element */ 470 uint16_t iv_quiet_duration; /* duration for Quiet Element */ 471 uint16_t iv_quiet_offset; /* offset for Quiet Element */ 472 int iv_csa_count; /* count for doing CSA */ 473 474 struct ieee80211_node *iv_bss; /* information for this node */ 475 struct ieee80211_txparam iv_txparms[IEEE80211_MODE_MAX]; 476 uint16_t iv_rtsthreshold; 477 uint16_t iv_fragthreshold; 478 int iv_inact_timer; /* inactivity timer wait */ 479 /* application-specified IE's to attach to mgt frames */ 480 struct ieee80211_appie *iv_appie_beacon; 481 struct ieee80211_appie *iv_appie_probereq; 482 struct ieee80211_appie *iv_appie_proberesp; 483 struct ieee80211_appie *iv_appie_assocreq; 484 struct ieee80211_appie *iv_appie_assocresp; 485 struct ieee80211_appie *iv_appie_wpa; 486 uint8_t *iv_wpa_ie; 487 uint8_t *iv_rsn_ie; 488 489 /* Key management */ 490 uint16_t iv_max_keyix; /* max h/w key index */ 491 ieee80211_keyix iv_def_txkey; /* default/group tx key index */ 492 struct ieee80211_key iv_nw_keys[IEEE80211_WEP_NKID]; 493 int (*iv_key_alloc)(struct ieee80211vap *, 494 struct ieee80211_key *, 495 ieee80211_keyix *, ieee80211_keyix *); 496 int (*iv_key_delete)(struct ieee80211vap *, 497 const struct ieee80211_key *); 498 int (*iv_key_set)(struct ieee80211vap *, 499 const struct ieee80211_key *); 500 void (*iv_key_update_begin)(struct ieee80211vap *); 501 void (*iv_key_update_end)(struct ieee80211vap *); 502 void (*iv_update_deftxkey)(struct ieee80211vap *, 503 ieee80211_keyix deftxkey); 504 505 const struct ieee80211_authenticator *iv_auth; /* authenticator glue */ 506 void *iv_ec; /* private auth state */ 507 508 const struct ieee80211_aclator *iv_acl; /* acl glue */ 509 void *iv_as; /* private aclator state */ 510 511 const struct ieee80211_ratectl *iv_rate; 512 void *iv_rs; /* private ratectl state */ 513 514 struct ieee80211_tdma_state *iv_tdma; /* tdma state */ 515 struct ieee80211_mesh_state *iv_mesh; /* MBSS state */ 516 struct ieee80211_hwmp_state *iv_hwmp; /* HWMP state */ 517 518 /* operate-mode detach hook */ 519 void (*iv_opdetach)(struct ieee80211vap *); 520 /* receive processing */ 521 int (*iv_input)(struct ieee80211_node *, 522 struct mbuf *, 523 const struct ieee80211_rx_stats *, 524 int, int); 525 void (*iv_recv_mgmt)(struct ieee80211_node *, 526 struct mbuf *, int, 527 const struct ieee80211_rx_stats *, 528 int, int); 529 void (*iv_recv_ctl)(struct ieee80211_node *, 530 struct mbuf *, int); 531 void (*iv_deliver_data)(struct ieee80211vap *, 532 struct ieee80211_node *, struct mbuf *); 533 #if 0 534 /* send processing */ 535 int (*iv_send_mgmt)(struct ieee80211_node *, 536 int, int); 537 #endif 538 /* beacon miss processing */ 539 void (*iv_bmiss)(struct ieee80211vap *); 540 /* reset device state after 802.11 parameter/state change */ 541 int (*iv_reset)(struct ieee80211vap *, u_long); 542 /* [schedule] beacon frame update */ 543 void (*iv_update_beacon)(struct ieee80211vap *, int); 544 /* power save handling */ 545 void (*iv_update_ps)(struct ieee80211vap *, int); 546 int (*iv_set_tim)(struct ieee80211_node *, int); 547 void (*iv_node_ps)(struct ieee80211_node *, int); 548 void (*iv_sta_ps)(struct ieee80211vap *, int); 549 void (*iv_recv_pspoll)(struct ieee80211_node *, 550 struct mbuf *); 551 552 /* state machine processing */ 553 int (*iv_newstate)(struct ieee80211vap *, 554 enum ieee80211_state, int); 555 /* 802.3 output method for raw frame xmit */ 556 int (*iv_output)(struct ifnet *, struct mbuf *, 557 const struct sockaddr *, struct route *); 558 559 int (*iv_wme_update)(struct ieee80211vap *, 560 const struct wmeParams *wme_params); 561 struct task iv_wme_task; /* deferred VAP WME update */ 562 563 uint64_t iv_spare[6]; 564 }; 565 MALLOC_DECLARE(M_80211_VAP); 566 567 #define IEEE80211_ADDR_EQ(a1,a2) (memcmp(a1,a2,IEEE80211_ADDR_LEN) == 0) 568 #define IEEE80211_ADDR_COPY(dst,src) memcpy(dst,src,IEEE80211_ADDR_LEN) 569 570 /* ic_flags/iv_flags */ 571 #define IEEE80211_F_TURBOP 0x00000001 /* CONF: ATH Turbo enabled*/ 572 #define IEEE80211_F_COMP 0x00000002 /* CONF: ATH comp enabled */ 573 #define IEEE80211_F_FF 0x00000004 /* CONF: ATH FF enabled */ 574 #define IEEE80211_F_BURST 0x00000008 /* CONF: bursting enabled */ 575 /* NB: this is intentionally setup to be IEEE80211_CAPINFO_PRIVACY */ 576 #define IEEE80211_F_PRIVACY 0x00000010 /* CONF: privacy enabled */ 577 #define IEEE80211_F_PUREG 0x00000020 /* CONF: 11g w/o 11b sta's */ 578 #define IEEE80211_F_SCAN 0x00000080 /* STATUS: scanning */ 579 /* 0x00000300 reserved */ 580 /* NB: this is intentionally setup to be IEEE80211_CAPINFO_SHORT_SLOTTIME */ 581 #define IEEE80211_F_SHSLOT 0x00000400 /* STATUS: use short slot time*/ 582 #define IEEE80211_F_PMGTON 0x00000800 /* CONF: Power mgmt enable */ 583 #define IEEE80211_F_DESBSSID 0x00001000 /* CONF: des_bssid is set */ 584 #define IEEE80211_F_WME 0x00002000 /* CONF: enable WME use */ 585 #define IEEE80211_F_BGSCAN 0x00004000 /* CONF: bg scan enabled (???)*/ 586 #define IEEE80211_F_SWRETRY 0x00008000 /* CONF: sw tx retry enabled */ 587 /* 0x00030000 reserved */ 588 #define IEEE80211_F_SHPREAMBLE 0x00040000 /* STATUS: use short preamble */ 589 #define IEEE80211_F_DATAPAD 0x00080000 /* CONF: do alignment pad */ 590 #define IEEE80211_F_USEPROT 0x00100000 /* STATUS: protection enabled */ 591 #define IEEE80211_F_USEBARKER 0x00200000 /* STATUS: use barker preamble*/ 592 #define IEEE80211_F_CSAPENDING 0x00400000 /* STATUS: chan switch pending*/ 593 #define IEEE80211_F_WPA1 0x00800000 /* CONF: WPA enabled */ 594 #define IEEE80211_F_WPA2 0x01000000 /* CONF: WPA2 enabled */ 595 #define IEEE80211_F_WPA 0x01800000 /* CONF: WPA/WPA2 enabled */ 596 #define IEEE80211_F_DROPUNENC 0x02000000 /* CONF: drop unencrypted */ 597 #define IEEE80211_F_COUNTERM 0x04000000 /* CONF: TKIP countermeasures */ 598 #define IEEE80211_F_HIDESSID 0x08000000 /* CONF: hide SSID in beacon */ 599 #define IEEE80211_F_NOBRIDGE 0x10000000 /* CONF: dis. internal bridge */ 600 #define IEEE80211_F_PCF 0x20000000 /* CONF: PCF enabled */ 601 #define IEEE80211_F_DOTH 0x40000000 /* CONF: 11h enabled */ 602 #define IEEE80211_F_DWDS 0x80000000 /* CONF: Dynamic WDS enabled */ 603 604 #define IEEE80211_F_BITS \ 605 "\20\1TURBOP\2COMP\3FF\4BURST\5PRIVACY\6PUREG\10SCAN" \ 606 "\13SHSLOT\14PMGTON\15DESBSSID\16WME\17BGSCAN\20SWRETRY" \ 607 "\23SHPREAMBLE\24DATAPAD\25USEPROT\26USERBARKER\27CSAPENDING" \ 608 "\30WPA1\31WPA2\32DROPUNENC\33COUNTERM\34HIDESSID\35NOBRIDG\36PCF" \ 609 "\37DOTH\40DWDS" 610 611 /* Atheros protocol-specific flags */ 612 #define IEEE80211_F_ATHEROS \ 613 (IEEE80211_F_FF | IEEE80211_F_COMP | IEEE80211_F_TURBOP) 614 /* Check if an Atheros capability was negotiated for use */ 615 #define IEEE80211_ATH_CAP(vap, ni, bit) \ 616 ((vap)->iv_flags & (ni)->ni_ath_flags & (bit)) 617 618 /* ic_flags_ext/iv_flags_ext */ 619 #define IEEE80211_FEXT_INACT 0x00000002 /* CONF: sta inact handling */ 620 #define IEEE80211_FEXT_SCANWAIT 0x00000004 /* STATUS: awaiting scan */ 621 /* 0x00000006 reserved */ 622 #define IEEE80211_FEXT_BGSCAN 0x00000008 /* STATUS: complete bgscan */ 623 #define IEEE80211_FEXT_WPS 0x00000010 /* CONF: WPS enabled */ 624 #define IEEE80211_FEXT_TSN 0x00000020 /* CONF: TSN enabled */ 625 #define IEEE80211_FEXT_SCANREQ 0x00000040 /* STATUS: scan req params */ 626 #define IEEE80211_FEXT_RESUME 0x00000080 /* STATUS: start on resume */ 627 #define IEEE80211_FEXT_4ADDR 0x00000100 /* CONF: apply 4-addr encap */ 628 #define IEEE80211_FEXT_NONERP_PR 0x00000200 /* STATUS: non-ERP sta present*/ 629 #define IEEE80211_FEXT_SWBMISS 0x00000400 /* CONF: do bmiss in s/w */ 630 #define IEEE80211_FEXT_DFS 0x00000800 /* CONF: DFS enabled */ 631 #define IEEE80211_FEXT_DOTD 0x00001000 /* CONF: 11d enabled */ 632 #define IEEE80211_FEXT_STATEWAIT 0x00002000 /* STATUS: awaiting state chg */ 633 #define IEEE80211_FEXT_REINIT 0x00004000 /* STATUS: INIT state first */ 634 #define IEEE80211_FEXT_BPF 0x00008000 /* STATUS: BPF tap present */ 635 /* NB: immutable: should be set only when creating a vap */ 636 #define IEEE80211_FEXT_WDSLEGACY 0x00010000 /* CONF: legacy WDS operation */ 637 #define IEEE80211_FEXT_PROBECHAN 0x00020000 /* CONF: probe passive channel*/ 638 #define IEEE80211_FEXT_UNIQMAC 0x00040000 /* CONF: user or computed mac */ 639 #define IEEE80211_FEXT_SCAN_OFFLOAD 0x00080000 /* CONF: scan is fully offloaded */ 640 #define IEEE80211_FEXT_SEQNO_OFFLOAD 0x00100000 /* CONF: driver does seqno insertion/allocation */ 641 #define IEEE80211_FEXT_FRAG_OFFLOAD 0x00200000 /* CONF: hardware does 802.11 fragmentation + assignment */ 642 #define IEEE80211_FEXT_VHT 0x00400000 /* CONF: VHT support */ 643 #define IEEE80211_FEXT_QUIET_IE 0x00800000 /* STATUS: quiet IE in a beacon has been added */ 644 645 #define IEEE80211_FEXT_BITS \ 646 "\20\2INACT\3SCANWAIT\4BGSCAN\5WPS\6TSN\7SCANREQ\10RESUME" \ 647 "\0114ADDR\12NONEPR_PR\13SWBMISS\14DFS\15DOTD\16STATEWAIT\17REINIT" \ 648 "\20BPF\21WDSLEGACY\22PROBECHAN\23UNIQMAC\24SCAN_OFFLOAD\25SEQNO_OFFLOAD" \ 649 "\26VHT\27QUIET_IE" 650 651 /* ic_flags_ht/iv_flags_ht */ 652 #define IEEE80211_FHT_NONHT_PR 0x00000001 /* STATUS: non-HT sta present */ 653 #define IEEE80211_FHT_LDPC_TX 0x00010000 /* CONF: LDPC tx enabled */ 654 #define IEEE80211_FHT_LDPC_RX 0x00020000 /* CONF: LDPC rx enabled */ 655 #define IEEE80211_FHT_GF 0x00040000 /* CONF: Greenfield enabled */ 656 #define IEEE80211_FHT_HT 0x00080000 /* CONF: HT supported */ 657 #define IEEE80211_FHT_AMPDU_TX 0x00100000 /* CONF: A-MPDU tx supported */ 658 #define IEEE80211_FHT_AMPDU_RX 0x00200000 /* CONF: A-MPDU rx supported */ 659 #define IEEE80211_FHT_AMSDU_TX 0x00400000 /* CONF: A-MSDU tx supported */ 660 #define IEEE80211_FHT_AMSDU_RX 0x00800000 /* CONF: A-MSDU rx supported */ 661 #define IEEE80211_FHT_USEHT40 0x01000000 /* CONF: 20/40 use enabled */ 662 #define IEEE80211_FHT_PUREN 0x02000000 /* CONF: 11n w/o legacy sta's */ 663 #define IEEE80211_FHT_SHORTGI20 0x04000000 /* CONF: short GI in HT20 */ 664 #define IEEE80211_FHT_SHORTGI40 0x08000000 /* CONF: short GI in HT40 */ 665 #define IEEE80211_FHT_HTCOMPAT 0x10000000 /* CONF: HT vendor OUI's */ 666 #define IEEE80211_FHT_RIFS 0x20000000 /* CONF: RIFS enabled */ 667 #define IEEE80211_FHT_STBC_TX 0x40000000 /* CONF: STBC tx enabled */ 668 #define IEEE80211_FHT_STBC_RX 0x80000000 /* CONF: STBC rx enabled */ 669 670 #define IEEE80211_FHT_BITS \ 671 "\20\1NONHT_PR" \ 672 "\23GF\24HT\25AMPDU_TX\26AMPDU_TX" \ 673 "\27AMSDU_TX\30AMSDU_RX\31USEHT40\32PUREN\33SHORTGI20\34SHORTGI40" \ 674 "\35HTCOMPAT\36RIFS\37STBC_TX\40STBC_RX" 675 676 #define IEEE80211_FVEN_BITS "\20" 677 678 #define IEEE80211_FVHT_VHT 0x000000001 /* CONF: VHT supported */ 679 #define IEEE80211_FVHT_USEVHT40 0x000000002 /* CONF: Use VHT40 */ 680 #define IEEE80211_FVHT_USEVHT80 0x000000004 /* CONF: Use VHT80 */ 681 #define IEEE80211_FVHT_USEVHT80P80 0x000000008 /* CONF: Use VHT 80+80 */ 682 #define IEEE80211_FVHT_USEVHT160 0x000000010 /* CONF: Use VHT160 */ 683 #define IEEE80211_VFHT_BITS \ 684 "\20\1VHT\2VHT40\3VHT80\4VHT80P80\5VHT160" 685 686 int ic_printf(struct ieee80211com *, const char *, ...) __printflike(2, 3); 687 void ieee80211_ifattach(struct ieee80211com *); 688 void ieee80211_ifdetach(struct ieee80211com *); 689 int ieee80211_vap_setup(struct ieee80211com *, struct ieee80211vap *, 690 const char name[IFNAMSIZ], int unit, 691 enum ieee80211_opmode opmode, int flags, 692 const uint8_t bssid[IEEE80211_ADDR_LEN]); 693 int ieee80211_vap_attach(struct ieee80211vap *, 694 ifm_change_cb_t, ifm_stat_cb_t, 695 const uint8_t macaddr[IEEE80211_ADDR_LEN]); 696 void ieee80211_vap_detach(struct ieee80211vap *); 697 const struct ieee80211_rateset *ieee80211_get_suprates(struct ieee80211com *ic, 698 const struct ieee80211_channel *); 699 const struct ieee80211_htrateset *ieee80211_get_suphtrates( 700 struct ieee80211com *, const struct ieee80211_channel *); 701 void ieee80211_announce(struct ieee80211com *); 702 void ieee80211_announce_channels(struct ieee80211com *); 703 void ieee80211_drain(struct ieee80211com *); 704 void ieee80211_chan_init(struct ieee80211com *); 705 struct ieee80211com *ieee80211_find_vap(const uint8_t mac[IEEE80211_ADDR_LEN]); 706 struct ieee80211com *ieee80211_find_com(const char *name); 707 typedef void ieee80211_com_iter_func(void *, struct ieee80211com *); 708 void ieee80211_iterate_coms(ieee80211_com_iter_func *, void *); 709 int ieee80211_media_change(struct ifnet *); 710 void ieee80211_media_status(struct ifnet *, struct ifmediareq *); 711 int ieee80211_ioctl(struct ifnet *, u_long, caddr_t); 712 int ieee80211_rate2media(struct ieee80211com *, int, 713 enum ieee80211_phymode); 714 int ieee80211_media2rate(int); 715 int ieee80211_mhz2ieee(u_int, u_int); 716 int ieee80211_chan2ieee(struct ieee80211com *, 717 const struct ieee80211_channel *); 718 u_int ieee80211_ieee2mhz(u_int, u_int); 719 int ieee80211_add_channel(struct ieee80211_channel[], int, int *, 720 uint8_t, uint16_t, int8_t, uint32_t, const uint8_t[]); 721 int ieee80211_add_channel_ht40(struct ieee80211_channel[], int, int *, 722 uint8_t, int8_t, uint32_t); 723 uint32_t ieee80211_get_channel_center_freq(const struct ieee80211_channel *); 724 uint32_t ieee80211_get_channel_center_freq1(const struct ieee80211_channel *); 725 uint32_t ieee80211_get_channel_center_freq2(const struct ieee80211_channel *); 726 int ieee80211_add_channel_list_2ghz(struct ieee80211_channel[], int, int *, 727 const uint8_t[], int, const uint8_t[], int); 728 int ieee80211_add_channel_list_5ghz(struct ieee80211_channel[], int, int *, 729 const uint8_t[], int, const uint8_t[], int); 730 struct ieee80211_channel *ieee80211_find_channel(struct ieee80211com *, 731 int freq, int flags); 732 struct ieee80211_channel *ieee80211_find_channel_byieee(struct ieee80211com *, 733 int ieee, int flags); 734 struct ieee80211_channel *ieee80211_lookup_channel_rxstatus(struct ieee80211vap *, 735 const struct ieee80211_rx_stats *); 736 int ieee80211_setmode(struct ieee80211com *, enum ieee80211_phymode); 737 enum ieee80211_phymode ieee80211_chan2mode(const struct ieee80211_channel *); 738 uint32_t ieee80211_mac_hash(const struct ieee80211com *, 739 const uint8_t addr[IEEE80211_ADDR_LEN]); 740 char ieee80211_channel_type_char(const struct ieee80211_channel *c); 741 742 #define ieee80211_get_current_channel(_ic) ((_ic)->ic_curchan) 743 #define ieee80211_get_home_channel(_ic) ((_ic)->ic_bsschan) 744 #define ieee80211_get_vap_desired_channel(_iv) ((_iv)->iv_des_chan) 745 746 void ieee80211_radiotap_attach(struct ieee80211com *, 747 struct ieee80211_radiotap_header *th, int tlen, 748 uint32_t tx_radiotap, 749 struct ieee80211_radiotap_header *rh, int rlen, 750 uint32_t rx_radiotap); 751 void ieee80211_radiotap_attachv(struct ieee80211com *, 752 struct ieee80211_radiotap_header *th, 753 int tlen, int n_tx_v, uint32_t tx_radiotap, 754 struct ieee80211_radiotap_header *rh, 755 int rlen, int n_rx_v, uint32_t rx_radiotap); 756 void ieee80211_radiotap_detach(struct ieee80211com *); 757 void ieee80211_radiotap_vattach(struct ieee80211vap *); 758 void ieee80211_radiotap_vdetach(struct ieee80211vap *); 759 void ieee80211_radiotap_chan_change(struct ieee80211com *); 760 void ieee80211_radiotap_tx(struct ieee80211vap *, struct mbuf *); 761 void ieee80211_radiotap_rx(struct ieee80211vap *, struct mbuf *); 762 void ieee80211_radiotap_rx_all(struct ieee80211com *, struct mbuf *); 763 764 static __inline int 765 ieee80211_radiotap_active(const struct ieee80211com *ic) 766 { 767 return (ic->ic_flags_ext & IEEE80211_FEXT_BPF) != 0; 768 } 769 770 static __inline int 771 ieee80211_radiotap_active_vap(const struct ieee80211vap *vap) 772 { 773 return (vap->iv_flags_ext & IEEE80211_FEXT_BPF) || 774 vap->iv_ic->ic_montaps != 0; 775 } 776 777 /* 778 * Enqueue a task on the state thread. 779 */ 780 static __inline void 781 ieee80211_runtask(struct ieee80211com *ic, struct task *task) 782 { 783 taskqueue_enqueue(ic->ic_tq, task); 784 } 785 786 /* 787 * Wait for a queued task to complete. 788 */ 789 static __inline void 790 ieee80211_draintask(struct ieee80211com *ic, struct task *task) 791 { 792 taskqueue_drain(ic->ic_tq, task); 793 } 794 795 /* 796 * Key update synchronization methods. XXX should not be visible. 797 */ 798 static __inline void 799 ieee80211_key_update_begin(struct ieee80211vap *vap) 800 { 801 vap->iv_key_update_begin(vap); 802 } 803 static __inline void 804 ieee80211_key_update_end(struct ieee80211vap *vap) 805 { 806 vap->iv_key_update_end(vap); 807 } 808 809 /* 810 * XXX these need to be here for IEEE80211_F_DATAPAD 811 */ 812 813 /* 814 * Return the space occupied by the 802.11 header and any 815 * padding required by the driver. This works for a 816 * management or data frame. 817 */ 818 static __inline int 819 ieee80211_hdrspace(struct ieee80211com *ic, const void *data) 820 { 821 int size = ieee80211_hdrsize(data); 822 if (ic->ic_flags & IEEE80211_F_DATAPAD) 823 size = roundup(size, sizeof(uint32_t)); 824 return size; 825 } 826 827 /* 828 * Like ieee80211_hdrspace, but handles any type of frame. 829 */ 830 static __inline int 831 ieee80211_anyhdrspace(struct ieee80211com *ic, const void *data) 832 { 833 int size = ieee80211_anyhdrsize(data); 834 if (ic->ic_flags & IEEE80211_F_DATAPAD) 835 size = roundup(size, sizeof(uint32_t)); 836 return size; 837 } 838 839 /* 840 * Notify a vap that beacon state has been updated. 841 */ 842 static __inline void 843 ieee80211_beacon_notify(struct ieee80211vap *vap, int what) 844 { 845 if (vap->iv_state == IEEE80211_S_RUN) 846 vap->iv_update_beacon(vap, what); 847 } 848 849 /* 850 * Calculate HT channel promotion flags for a channel. 851 * XXX belongs in ieee80211_ht.h but needs IEEE80211_FHT_* 852 */ 853 static __inline int 854 ieee80211_htchanflags(const struct ieee80211_channel *c) 855 { 856 return IEEE80211_IS_CHAN_HT40(c) ? 857 IEEE80211_FHT_HT | IEEE80211_FHT_USEHT40 : 858 IEEE80211_IS_CHAN_HT(c) ? IEEE80211_FHT_HT : 0; 859 } 860 861 /* 862 * Calculate VHT channel promotion flags for a channel. 863 * XXX belongs in ieee80211_vht.h but needs IEEE80211_FVHT_* 864 */ 865 static __inline int 866 ieee80211_vhtchanflags(const struct ieee80211_channel *c) 867 { 868 869 if (IEEE80211_IS_CHAN_VHT160(c)) 870 return IEEE80211_FVHT_USEVHT160; 871 if (IEEE80211_IS_CHAN_VHT80_80(c)) 872 return IEEE80211_FVHT_USEVHT80P80; 873 if (IEEE80211_IS_CHAN_VHT80(c)) 874 return IEEE80211_FVHT_USEVHT80; 875 if (IEEE80211_IS_CHAN_VHT40(c)) 876 return IEEE80211_FVHT_USEVHT40; 877 if (IEEE80211_IS_CHAN_VHT(c)) 878 return IEEE80211_FVHT_VHT; 879 return (0); 880 } 881 882 /* 883 * Fetch the current TX power (cap) for the given node. 884 * 885 * This includes the node and ic/vap TX power limit as needed, 886 * but it doesn't take into account any per-rate limit. 887 */ 888 static __inline uint16_t 889 ieee80211_get_node_txpower(struct ieee80211_node *ni) 890 { 891 struct ieee80211com *ic = ni->ni_ic; 892 uint16_t txpower; 893 894 txpower = ni->ni_txpower; 895 txpower = MIN(txpower, ic->ic_txpowlimit); 896 if (ic->ic_curchan != NULL) { 897 txpower = MIN(txpower, 2 * ic->ic_curchan->ic_maxregpower); 898 txpower = MIN(txpower, ic->ic_curchan->ic_maxpower); 899 } 900 901 return (txpower); 902 } 903 904 /* 905 * Debugging facilities compiled in when IEEE80211_DEBUG is defined. 906 * 907 * The intent is that any problem in the net80211 layer can be 908 * diagnosed by inspecting the statistics (dumped by the wlanstats 909 * program) and/or the msgs generated by net80211. Messages are 910 * broken into functional classes and can be controlled with the 911 * wlandebug program. Certain of these msg groups are for facilities 912 * that are no longer part of net80211 (e.g. IEEE80211_MSG_DOT1XSM). 913 */ 914 #define IEEE80211_MSG_11N 0x80000000 /* 11n mode debug */ 915 #define IEEE80211_MSG_DEBUG 0x40000000 /* IFF_DEBUG equivalent */ 916 #define IEEE80211_MSG_DUMPPKTS 0x20000000 /* IFF_LINK2 equivalant */ 917 #define IEEE80211_MSG_CRYPTO 0x10000000 /* crypto work */ 918 #define IEEE80211_MSG_INPUT 0x08000000 /* input handling */ 919 #define IEEE80211_MSG_XRATE 0x04000000 /* rate set handling */ 920 #define IEEE80211_MSG_ELEMID 0x02000000 /* element id parsing */ 921 #define IEEE80211_MSG_NODE 0x01000000 /* node handling */ 922 #define IEEE80211_MSG_ASSOC 0x00800000 /* association handling */ 923 #define IEEE80211_MSG_AUTH 0x00400000 /* authentication handling */ 924 #define IEEE80211_MSG_SCAN 0x00200000 /* scanning */ 925 #define IEEE80211_MSG_OUTPUT 0x00100000 /* output handling */ 926 #define IEEE80211_MSG_STATE 0x00080000 /* state machine */ 927 #define IEEE80211_MSG_POWER 0x00040000 /* power save handling */ 928 #define IEEE80211_MSG_HWMP 0x00020000 /* hybrid mesh protocol */ 929 #define IEEE80211_MSG_DOT1XSM 0x00010000 /* 802.1x state machine */ 930 #define IEEE80211_MSG_RADIUS 0x00008000 /* 802.1x radius client */ 931 #define IEEE80211_MSG_RADDUMP 0x00004000 /* dump 802.1x radius packets */ 932 #define IEEE80211_MSG_MESH 0x00002000 /* mesh networking */ 933 #define IEEE80211_MSG_WPA 0x00001000 /* WPA/RSN protocol */ 934 #define IEEE80211_MSG_ACL 0x00000800 /* ACL handling */ 935 #define IEEE80211_MSG_WME 0x00000400 /* WME protocol */ 936 #define IEEE80211_MSG_SUPERG 0x00000200 /* Atheros SuperG protocol */ 937 #define IEEE80211_MSG_DOTH 0x00000100 /* 802.11h support */ 938 #define IEEE80211_MSG_INACT 0x00000080 /* inactivity handling */ 939 #define IEEE80211_MSG_ROAM 0x00000040 /* sta-mode roaming */ 940 #define IEEE80211_MSG_RATECTL 0x00000020 /* tx rate control */ 941 #define IEEE80211_MSG_ACTION 0x00000010 /* action frame handling */ 942 #define IEEE80211_MSG_WDS 0x00000008 /* WDS handling */ 943 #define IEEE80211_MSG_IOCTL 0x00000004 /* ioctl handling */ 944 #define IEEE80211_MSG_TDMA 0x00000002 /* TDMA handling */ 945 946 #define IEEE80211_MSG_ANY 0xffffffff /* anything */ 947 948 #define IEEE80211_MSG_BITS \ 949 "\20\2TDMA\3IOCTL\4WDS\5ACTION\6RATECTL\7ROAM\10INACT\11DOTH\12SUPERG" \ 950 "\13WME\14ACL\15WPA\16RADKEYS\17RADDUMP\20RADIUS\21DOT1XSM\22HWMP" \ 951 "\23POWER\24STATE\25OUTPUT\26SCAN\27AUTH\30ASSOC\31NODE\32ELEMID" \ 952 "\33XRATE\34INPUT\35CRYPTO\36DUPMPKTS\37DEBUG\04011N" 953 954 #ifdef IEEE80211_DEBUG 955 #define ieee80211_msg(_vap, _m) ((_vap)->iv_debug & (_m)) 956 #define IEEE80211_DPRINTF(_vap, _m, _fmt, ...) do { \ 957 if (ieee80211_msg(_vap, _m)) \ 958 ieee80211_note(_vap, _fmt, __VA_ARGS__); \ 959 } while (0) 960 #define IEEE80211_NOTE(_vap, _m, _ni, _fmt, ...) do { \ 961 if (ieee80211_msg(_vap, _m)) \ 962 ieee80211_note_mac(_vap, (_ni)->ni_macaddr, _fmt, __VA_ARGS__);\ 963 } while (0) 964 #define IEEE80211_NOTE_MAC(_vap, _m, _mac, _fmt, ...) do { \ 965 if (ieee80211_msg(_vap, _m)) \ 966 ieee80211_note_mac(_vap, _mac, _fmt, __VA_ARGS__); \ 967 } while (0) 968 #define IEEE80211_NOTE_FRAME(_vap, _m, _wh, _fmt, ...) do { \ 969 if (ieee80211_msg(_vap, _m)) \ 970 ieee80211_note_frame(_vap, _wh, _fmt, __VA_ARGS__); \ 971 } while (0) 972 void ieee80211_note(const struct ieee80211vap *, const char *, ...); 973 void ieee80211_note_mac(const struct ieee80211vap *, 974 const uint8_t mac[IEEE80211_ADDR_LEN], const char *, ...); 975 void ieee80211_note_frame(const struct ieee80211vap *, 976 const struct ieee80211_frame *, const char *, ...); 977 #define ieee80211_msg_debug(_vap) \ 978 ((_vap)->iv_debug & IEEE80211_MSG_DEBUG) 979 #define ieee80211_msg_dumppkts(_vap) \ 980 ((_vap)->iv_debug & IEEE80211_MSG_DUMPPKTS) 981 #define ieee80211_msg_input(_vap) \ 982 ((_vap)->iv_debug & IEEE80211_MSG_INPUT) 983 #define ieee80211_msg_radius(_vap) \ 984 ((_vap)->iv_debug & IEEE80211_MSG_RADIUS) 985 #define ieee80211_msg_dumpradius(_vap) \ 986 ((_vap)->iv_debug & IEEE80211_MSG_RADDUMP) 987 #define ieee80211_msg_dumpradkeys(_vap) \ 988 ((_vap)->iv_debug & IEEE80211_MSG_RADKEYS) 989 #define ieee80211_msg_scan(_vap) \ 990 ((_vap)->iv_debug & IEEE80211_MSG_SCAN) 991 #define ieee80211_msg_assoc(_vap) \ 992 ((_vap)->iv_debug & IEEE80211_MSG_ASSOC) 993 994 /* 995 * Emit a debug message about discarding a frame or information 996 * element. One format is for extracting the mac address from 997 * the frame header; the other is for when a header is not 998 * available or otherwise appropriate. 999 */ 1000 #define IEEE80211_DISCARD(_vap, _m, _wh, _type, _fmt, ...) do { \ 1001 if ((_vap)->iv_debug & (_m)) \ 1002 ieee80211_discard_frame(_vap, _wh, _type, _fmt, __VA_ARGS__);\ 1003 } while (0) 1004 #define IEEE80211_DISCARD_IE(_vap, _m, _wh, _type, _fmt, ...) do { \ 1005 if ((_vap)->iv_debug & (_m)) \ 1006 ieee80211_discard_ie(_vap, _wh, _type, _fmt, __VA_ARGS__);\ 1007 } while (0) 1008 #define IEEE80211_DISCARD_MAC(_vap, _m, _mac, _type, _fmt, ...) do { \ 1009 if ((_vap)->iv_debug & (_m)) \ 1010 ieee80211_discard_mac(_vap, _mac, _type, _fmt, __VA_ARGS__);\ 1011 } while (0) 1012 1013 void ieee80211_discard_frame(const struct ieee80211vap *, 1014 const struct ieee80211_frame *, const char *type, const char *fmt, ...); 1015 void ieee80211_discard_ie(const struct ieee80211vap *, 1016 const struct ieee80211_frame *, const char *type, const char *fmt, ...); 1017 void ieee80211_discard_mac(const struct ieee80211vap *, 1018 const uint8_t mac[IEEE80211_ADDR_LEN], const char *type, 1019 const char *fmt, ...); 1020 #else 1021 #define IEEE80211_DPRINTF(_vap, _m, _fmt, ...) 1022 #define IEEE80211_NOTE(_vap, _m, _ni, _fmt, ...) 1023 #define IEEE80211_NOTE_FRAME(_vap, _m, _wh, _fmt, ...) 1024 #define IEEE80211_NOTE_MAC(_vap, _m, _mac, _fmt, ...) 1025 #define ieee80211_msg_dumppkts(_vap) 0 1026 #define ieee80211_msg(_vap, _m) 0 1027 1028 #define IEEE80211_DISCARD(_vap, _m, _wh, _type, _fmt, ...) 1029 #define IEEE80211_DISCARD_IE(_vap, _m, _wh, _type, _fmt, ...) 1030 #define IEEE80211_DISCARD_MAC(_vap, _m, _mac, _type, _fmt, ...) 1031 #endif 1032 1033 #endif /* _NET80211_IEEE80211_VAR_H_ */ 1034