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