1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause 3 * 4 * Copyright (c) 2001 Atsushi Onoe 5 * Copyright (c) 2002-2009 Sam Leffler, Errno Consulting 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 */ 28 #ifndef _NET80211_IEEE80211_VAR_H_ 29 #define _NET80211_IEEE80211_VAR_H_ 30 31 /* 32 * Definitions for IEEE 802.11 drivers. 33 */ 34 /* NB: portability glue must go first */ 35 #if defined(__NetBSD__) 36 #include <net80211/ieee80211_netbsd.h> 37 #elif defined(__FreeBSD__) 38 #include <net80211/ieee80211_freebsd.h> 39 #elif defined(__linux__) 40 #include <net80211/ieee80211_linux.h> 41 #else 42 #error "No support for your operating system!" 43 #endif 44 45 #include <net80211/_ieee80211.h> 46 #include <net80211/ieee80211.h> 47 #include <net80211/ieee80211_ageq.h> 48 #include <net80211/ieee80211_crypto.h> 49 #include <net80211/ieee80211_dfs.h> 50 #include <net80211/ieee80211_ioctl.h> /* for ieee80211_stats */ 51 #include <net80211/ieee80211_phy.h> 52 #include <net80211/ieee80211_power.h> 53 #include <net80211/ieee80211_node.h> 54 #include <net80211/ieee80211_proto.h> 55 #include <net80211/ieee80211_radiotap.h> 56 #include <net80211/ieee80211_scan.h> 57 58 #define IEEE80211_TXPOWER_MAX 100 /* .5 dBm (XXX units?) */ 59 #define IEEE80211_TXPOWER_MIN 0 /* kill radio */ 60 61 #define IEEE80211_DTIM_DEFAULT 1 /* default DTIM period */ 62 #define IEEE80211_BINTVAL_DEFAULT 100 /* default beacon interval (TU's) */ 63 64 #define IEEE80211_BMISS_MAX 2 /* maximum consecutive bmiss allowed */ 65 #define IEEE80211_HWBMISS_DEFAULT 7 /* h/w bmiss threshold (beacons) */ 66 67 #define IEEE80211_BGSCAN_INTVAL_MIN 15 /* min bg scan intvl (secs) */ 68 #define IEEE80211_BGSCAN_INTVAL_DEFAULT (5*60) /* default bg scan intvl */ 69 70 #define IEEE80211_BGSCAN_IDLE_MIN 100 /* min idle time (ms) */ 71 #define IEEE80211_BGSCAN_IDLE_DEFAULT 250 /* default idle time (ms) */ 72 73 #define IEEE80211_SCAN_VALID_MIN 10 /* min scan valid time (secs) */ 74 #define IEEE80211_SCAN_VALID_DEFAULT 60 /* default scan valid time */ 75 76 #define IEEE80211_PS_SLEEP 0x1 /* STA is in power saving mode */ 77 #define IEEE80211_PS_MAX_QUEUE 50 /* maximum saved packets */ 78 79 #define IEEE80211_FIXED_RATE_NONE 0xff 80 #define IEEE80211_TXMAX_DEFAULT 6 /* default ucast max retries */ 81 82 #define IEEE80211_RTS_DEFAULT IEEE80211_RTS_MAX 83 #define IEEE80211_FRAG_DEFAULT IEEE80211_FRAG_MAX 84 85 #define IEEE80211_MS_TO_TU(x) (((x) * 1000) / 1024) 86 #define IEEE80211_TU_TO_MS(x) (((x) * 1024) / 1000) 87 /* XXX TODO: cap this at 1, in case hz is not 1000 */ 88 #define IEEE80211_TU_TO_TICKS(x)(((uint64_t)(x) * 1024 * hz) / (1000 * 1000)) 89 90 /* 91 * Technically, vhtflags may be 0 /and/ 11ac is enabled. 92 * At some point ic should just grow a flag somewhere that 93 * says that VHT is supported - and then this macro can be 94 * changed. 95 */ 96 #define IEEE80211_CONF_VHT(ic) \ 97 ((ic)->ic_flags_ext & IEEE80211_FEXT_VHT) 98 99 #define IEEE80211_CONF_SEQNO_OFFLOAD(ic) \ 100 ((ic)->ic_flags_ext & IEEE80211_FEXT_SEQNO_OFFLOAD) 101 #define IEEE80211_CONF_FRAG_OFFLOAD(ic) \ 102 ((ic)->ic_flags_ext & IEEE80211_FEXT_FRAG_OFFLOAD) 103 #define IEEE80211_CONF_AMPDU_OFFLOAD(ic) \ 104 ((ic)->ic_flags_ext & IEEE80211_FEXT_AMPDU_OFFLOAD) 105 106 /* 107 * 802.11 control state is split into a common portion that maps 108 * 1-1 to a physical device and one or more "Virtual AP's" (VAP) 109 * that are bound to an ieee80211com instance and share a single 110 * underlying device. Each VAP has a corresponding OS device 111 * entity through which traffic flows and that applications use 112 * for issuing ioctls, etc. 113 */ 114 115 /* 116 * Data common to one or more virtual AP's. State shared by 117 * the underlying device and the net80211 layer is exposed here; 118 * e.g. device-specific callbacks. 119 */ 120 struct ieee80211vap; 121 typedef void (*ieee80211vap_attach)(struct ieee80211vap *); 122 123 struct ieee80211_appie { 124 uint16_t ie_len; /* size of ie_data */ 125 uint8_t ie_data[]; /* user-specified IE's */ 126 }; 127 128 struct ieee80211_tdma_param; 129 struct ieee80211_rate_table; 130 struct ieee80211_tx_ampdu; 131 struct ieee80211_rx_ampdu; 132 struct ieee80211_superg; 133 struct ieee80211_frame; 134 135 struct net80211dump_methods; 136 137 struct ieee80211com { 138 void *ic_softc; /* driver softc */ 139 const char *ic_name; /* usually device name */ 140 ieee80211_com_lock_t ic_comlock; /* state update lock */ 141 ieee80211_tx_lock_t ic_txlock; /* ic/vap TX lock */ 142 ieee80211_ff_lock_t ic_fflock; /* stageq/ni_tx_superg lock */ 143 LIST_ENTRY(ieee80211com) ic_next; /* on global list */ 144 TAILQ_HEAD(, ieee80211vap) ic_vaps; /* list of vap instances */ 145 int ic_headroom; /* driver tx headroom needs */ 146 enum ieee80211_phytype ic_phytype; /* XXX wrong for multi-mode */ 147 enum ieee80211_opmode ic_opmode; /* operation mode */ 148 struct callout ic_inact; /* inactivity processing */ 149 struct taskqueue *ic_tq; /* deferred state thread */ 150 struct task ic_parent_task; /* deferred parent processing */ 151 struct task ic_promisc_task;/* deferred promisc update */ 152 struct task ic_mcast_task; /* deferred mcast update */ 153 struct task ic_chan_task; /* deferred channel change */ 154 struct task ic_bmiss_task; /* deferred beacon miss hndlr */ 155 struct task ic_chw_task; /* deferred HT CHW update */ 156 struct task ic_restart_task; /* deferred device restart */ 157 158 counter_u64_t ic_ierrors; /* input errors */ 159 counter_u64_t ic_oerrors; /* output errors */ 160 161 uint32_t ic_flags; /* state flags */ 162 uint32_t ic_flags_ext; /* extended state flags */ 163 uint32_t ic_flags_ht; /* HT state flags */ 164 uint32_t ic_flags_ven; /* vendor state flags */ 165 uint32_t ic_caps; /* capabilities */ 166 uint32_t ic_htcaps; /* HT capabilities */ 167 uint32_t ic_htextcaps; /* HT extended capabilities */ 168 /* driver-supported software crypto caps */ 169 uint32_t ic_sw_cryptocaps; 170 uint32_t ic_cryptocaps; /* hardware crypto caps */ 171 /* set of mode capabilities */ 172 /* driver/net80211 sw KEYMGMT capabilities */ 173 uint32_t ic_sw_keymgmtcaps; 174 uint8_t ic_modecaps[IEEE80211_MODE_BYTES]; 175 uint8_t ic_promisc; /* vap's needing promisc mode */ 176 uint8_t ic_allmulti; /* vap's needing all multicast*/ 177 uint8_t ic_nrunning; /* vap's marked running */ 178 uint8_t ic_curmode; /* current mode */ 179 uint8_t ic_macaddr[IEEE80211_ADDR_LEN]; 180 uint16_t ic_bintval; /* beacon interval */ 181 uint16_t ic_lintval; /* listen interval */ 182 uint16_t ic_holdover; /* PM hold over duration */ 183 uint16_t ic_txpowlimit; /* global tx power limit */ 184 struct ieee80211_rateset ic_sup_rates[IEEE80211_MODE_MAX]; 185 struct ieee80211_htrateset ic_sup_htrates; 186 187 /* 188 * Channel state: 189 * 190 * ic_channels is the set of available channels for the device; 191 * it is setup by the driver 192 * ic_nchans is the number of valid entries in ic_channels 193 * ic_chan_avail is a bit vector of these channels used to check 194 * whether a channel is available w/o searching the channel table. 195 * ic_chan_active is a (potentially) constrained subset of 196 * ic_chan_avail that reflects any mode setting or user-specified 197 * limit on the set of channels to use/scan 198 * ic_curchan is the current channel the device is set to; it may 199 * be different from ic_bsschan when we are off-channel scanning 200 * or otherwise doing background work 201 * ic_bsschan is the channel selected for operation; it may 202 * be undefined (IEEE80211_CHAN_ANYC) 203 * ic_prevchan is a cached ``previous channel'' used to optimize 204 * lookups when switching back+forth between two channels 205 * (e.g. for dynamic turbo) 206 */ 207 int ic_nchans; /* # entries in ic_channels */ 208 struct ieee80211_channel ic_channels[IEEE80211_CHAN_MAX]; 209 uint8_t ic_chan_avail[IEEE80211_CHAN_BYTES]; 210 uint8_t ic_chan_active[IEEE80211_CHAN_BYTES]; 211 uint8_t ic_chan_scan[IEEE80211_CHAN_BYTES]; 212 struct ieee80211_channel *ic_curchan; /* current channel */ 213 const struct ieee80211_rate_table *ic_rt; /* table for ic_curchan */ 214 struct ieee80211_channel *ic_bsschan; /* bss channel */ 215 struct ieee80211_channel *ic_prevchan; /* previous channel */ 216 struct ieee80211_regdomain ic_regdomain;/* regulatory data */ 217 struct ieee80211_appie *ic_countryie; /* calculated country ie */ 218 struct ieee80211_channel *ic_countryie_chan; 219 220 /* 802.11h/DFS state */ 221 struct ieee80211_channel *ic_csa_newchan;/* channel for doing CSA */ 222 short ic_csa_mode; /* mode for doing CSA */ 223 short ic_csa_count; /* count for doing CSA */ 224 struct ieee80211_dfs_state ic_dfs; /* DFS state */ 225 226 struct ieee80211_scan_state *ic_scan; /* scan state */ 227 struct ieee80211_scan_methods *ic_scan_methods; /* scan methods */ 228 int ic_lastdata; /* time of last data frame */ 229 int ic_lastscan; /* time last scan completed */ 230 231 /* NB: this is the union of all vap stations/neighbors */ 232 int ic_max_keyix; /* max h/w key index */ 233 struct ieee80211_node_table ic_sta; /* stations/neighbors */ 234 struct ieee80211_ageq ic_stageq; /* frame staging queue */ 235 uint32_t ic_hash_key; /* random key for mac hash */ 236 237 /* XXX multi-bss: split out common/vap parts */ 238 struct ieee80211_wme_state ic_wme; /* WME/WMM state */ 239 240 /* Protection mode for net80211 driven channel NICs */ 241 enum ieee80211_protmode ic_protmode; /* 802.11g protection mode */ 242 enum ieee80211_protmode ic_htprotmode; /* HT protection mode */ 243 uint8_t ic_curhtprotmode;/* HTINFO bss state */ 244 245 uint8_t ic_rxstream; /* # RX streams */ 246 uint8_t ic_txstream; /* # TX streams */ 247 248 /* VHT information */ 249 uint32_t ic_vht_flags; /* VHT state flags */ 250 struct ieee80211_vht_cap ic_vht_cap; /* VHT capabilities + MCS info */ 251 uint32_t ic_vhtextcaps; /* VHT extended capabilities (TODO) */ 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); 310 311 /* Node state management */ 312 313 /* Allocate a new node */ 314 struct ieee80211_node* (*ic_node_alloc)(struct ieee80211vap *, 315 const uint8_t [IEEE80211_ADDR_LEN]); 316 317 /* Driver node initialisation after net80211 setup */ 318 int (*ic_node_init)(struct ieee80211_node *); 319 320 /* Driver node deallocation */ 321 void (*ic_node_free)(struct ieee80211_node *); 322 323 /* Driver node state cleanup before deallocation */ 324 void (*ic_node_cleanup)(struct ieee80211_node *); 325 326 void (*ic_node_age)(struct ieee80211_node *); 327 void (*ic_node_drain)(struct ieee80211_node *); 328 int8_t (*ic_node_getrssi)(const struct ieee80211_node*); 329 void (*ic_node_getsignal)(const struct ieee80211_node*, 330 int8_t *, int8_t *); 331 void (*ic_node_getmimoinfo)( 332 const struct ieee80211_node*, 333 struct ieee80211_mimo_info *); 334 /* scanning support */ 335 void (*ic_scan_start)(struct ieee80211com *); 336 void (*ic_scan_end)(struct ieee80211com *); 337 void (*ic_set_channel)(struct ieee80211com *); 338 void (*ic_scan_curchan)(struct ieee80211_scan_state *, 339 unsigned long); 340 void (*ic_scan_mindwell)(struct ieee80211_scan_state *); 341 342 /* 343 * 802.11n ADDBA support. A simple/generic implementation 344 * of A-MPDU tx aggregation is provided; the driver may 345 * override these methods to provide their own support. 346 * A-MPDU rx re-ordering happens automatically if the 347 * driver passes out-of-order frames to ieee80211_input 348 * from an assocated HT station. 349 */ 350 int (*ic_recv_action)(struct ieee80211_node *, 351 const struct ieee80211_frame *, 352 const uint8_t *frm, const uint8_t *efrm); 353 int (*ic_send_action)(struct ieee80211_node *, 354 int category, int action, void *); 355 /* check if A-MPDU should be enabled this station+ac */ 356 int (*ic_ampdu_enable)(struct ieee80211_node *, 357 struct ieee80211_tx_ampdu *); 358 /* start/stop doing A-MPDU tx aggregation for a station */ 359 int (*ic_addba_request)(struct ieee80211_node *, 360 struct ieee80211_tx_ampdu *, 361 int dialogtoken, int baparamset, 362 int batimeout); 363 int (*ic_addba_response)(struct ieee80211_node *, 364 struct ieee80211_tx_ampdu *, 365 int status, int baparamset, int batimeout); 366 void (*ic_addba_stop)(struct ieee80211_node *, 367 struct ieee80211_tx_ampdu *); 368 void (*ic_addba_response_timeout)(struct ieee80211_node *, 369 struct ieee80211_tx_ampdu *); 370 /* BAR response received */ 371 void (*ic_bar_response)(struct ieee80211_node *, 372 struct ieee80211_tx_ampdu *, int status); 373 /* start/stop doing A-MPDU rx processing for a station */ 374 int (*ic_ampdu_rx_start)(struct ieee80211_node *, 375 struct ieee80211_rx_ampdu *, int baparamset, 376 int batimeout, int baseqctl); 377 void (*ic_ampdu_rx_stop)(struct ieee80211_node *, 378 struct ieee80211_rx_ampdu *); 379 380 /* The channel width has changed (20<->2040) */ 381 void (*ic_update_chw)(struct ieee80211com *); 382 383 const struct debugnet80211_methods *ic_debugnet_meth; 384 uint64_t ic_spare[7]; 385 }; 386 387 struct ieee80211_aclator; 388 struct ieee80211_tdma_state; 389 struct ieee80211_mesh_state; 390 struct ieee80211_hwmp_state; 391 struct ieee80211_rx_histogram; 392 struct ieee80211_tx_histogram; 393 394 struct ieee80211vap { 395 struct ifmedia iv_media; /* interface media config */ 396 struct ifnet *iv_ifp; /* associated device */ 397 struct bpf_if *iv_rawbpf; /* packet filter structure */ 398 struct sysctl_ctx_list *iv_sysctl; /* dynamic sysctl context */ 399 struct sysctl_oid *iv_oid; /* net.wlan.X sysctl oid */ 400 401 TAILQ_ENTRY(ieee80211vap) iv_next; /* list of vap instances */ 402 struct ieee80211com *iv_ic; /* back ptr to common state */ 403 /* MAC address: ifp or ic */ 404 uint8_t iv_myaddr[IEEE80211_ADDR_LEN]; 405 uint32_t iv_debug; /* debug msg flags */ 406 struct ieee80211_stats iv_stats; /* statistics */ 407 408 uint32_t iv_flags; /* state flags */ 409 uint32_t iv_flags_ext; /* extended state flags */ 410 uint32_t iv_flags_ht; /* HT state flags */ 411 uint32_t iv_flags_ven; /* vendor state flags */ 412 uint32_t iv_ifflags; /* ifnet flags */ 413 uint32_t iv_caps; /* capabilities */ 414 uint32_t iv_htcaps; /* HT capabilities */ 415 uint32_t iv_htextcaps; /* HT extended capabilities */ 416 uint32_t iv_com_state; /* com usage / detached flag */ 417 enum ieee80211_opmode iv_opmode; /* operation mode */ 418 enum ieee80211_state iv_state; /* state machine state */ 419 420 /* Deferred state processing. */ 421 enum ieee80211_state iv_nstate; /* next pending state (historic) */ 422 #define NET80211_IV_NSTATE_NUM 8 423 int iv_nstate_b; /* First filled slot. */ 424 int iv_nstate_n; /* # of filled slots. */ 425 enum ieee80211_state iv_nstates[NET80211_IV_NSTATE_NUM]; /* queued pending state(s) */ 426 int iv_nstate_args[NET80211_IV_NSTATE_NUM]; /* queued pending state(s) arg */ 427 struct task iv_nstate_task[NET80211_IV_NSTATE_NUM]; 428 429 struct task iv_swbmiss_task;/* deferred iv_bmiss call */ 430 struct callout iv_mgtsend; /* mgmt frame response timer */ 431 /* inactivity timer settings */ 432 int iv_inact_init; /* setting for new station */ 433 int iv_inact_auth; /* auth but not assoc setting */ 434 int iv_inact_run; /* authorized setting */ 435 int iv_inact_probe; /* inactive probe time */ 436 437 /* VHT flags */ 438 uint32_t iv_vht_flags; /* VHT state flags */ 439 struct ieee80211_vht_cap iv_vht_cap; /* VHT capabilities + MCS info */ 440 uint32_t iv_vhtextcaps; /* VHT extended capabilities (TODO) */ 441 uint32_t iv_vht_spare[4]; 442 443 int iv_des_nssid; /* # desired ssids */ 444 struct ieee80211_scan_ssid iv_des_ssid[1];/* desired ssid table */ 445 uint8_t iv_des_bssid[IEEE80211_ADDR_LEN]; 446 struct ieee80211_channel *iv_des_chan; /* desired channel */ 447 uint16_t iv_des_mode; /* desired mode */ 448 int iv_nicknamelen; /* XXX junk */ 449 uint8_t iv_nickname[IEEE80211_NWID_LEN]; 450 u_int iv_bgscanidle; /* bg scan idle threshold */ 451 u_int iv_bgscanintvl; /* bg scan min interval */ 452 u_int iv_scanvalid; /* scan cache valid threshold */ 453 u_int iv_scanreq_duration; 454 u_int iv_scanreq_mindwell; 455 u_int iv_scanreq_maxdwell; 456 uint16_t iv_scanreq_flags;/* held scan request params */ 457 uint8_t iv_scanreq_nssid; 458 struct ieee80211_scan_ssid iv_scanreq_ssid[IEEE80211_SCAN_MAX_SSID]; 459 /* sta-mode roaming state */ 460 enum ieee80211_roamingmode iv_roaming; /* roaming mode */ 461 struct ieee80211_roamparam iv_roamparms[IEEE80211_MODE_MAX]; 462 463 uint8_t iv_bmissthreshold; 464 uint8_t iv_bmiss_count; /* current beacon miss count */ 465 int iv_bmiss_max; /* max bmiss before scan */ 466 uint16_t iv_swbmiss_count;/* beacons in last period */ 467 uint16_t iv_swbmiss_period;/* s/w bmiss period */ 468 struct callout iv_swbmiss; /* s/w beacon miss timer */ 469 470 int iv_ampdu_rxmax; /* A-MPDU rx limit (bytes) */ 471 int iv_ampdu_density;/* A-MPDU density */ 472 int iv_ampdu_limit; /* A-MPDU tx limit (bytes) */ 473 int iv_amsdu_limit; /* A-MSDU tx limit (bytes) */ 474 u_int iv_ampdu_mintraffic[WME_NUM_AC]; 475 476 struct ieee80211_beacon_offsets iv_bcn_off; 477 uint32_t *iv_aid_bitmap; /* association id map */ 478 uint16_t iv_max_aid; 479 uint16_t iv_sta_assoc; /* stations associated */ 480 uint16_t iv_ps_sta; /* stations in power save */ 481 uint16_t iv_ps_pending; /* ps sta's w/ pending frames */ 482 uint16_t iv_txseq; /* mcast xmit seq# space */ 483 uint16_t iv_tim_len; /* ic_tim_bitmap size (bytes) */ 484 uint8_t *iv_tim_bitmap; /* power-save stations w/ data*/ 485 uint8_t iv_dtim_period; /* DTIM period */ 486 uint8_t iv_dtim_count; /* DTIM count from last bcn */ 487 /* set/unset aid pwrsav state */ 488 uint8_t iv_quiet; /* Quiet Element */ 489 uint8_t iv_quiet_count; /* constant count for Quiet Element */ 490 uint8_t iv_quiet_count_value; /* variable count for Quiet Element */ 491 uint8_t iv_quiet_period; /* period for Quiet Element */ 492 uint16_t iv_quiet_duration; /* duration for Quiet Element */ 493 uint16_t iv_quiet_offset; /* offset for Quiet Element */ 494 int iv_csa_count; /* count for doing CSA */ 495 496 struct ieee80211_node *iv_bss; /* information for this node */ 497 struct ieee80211_txparam iv_txparms[IEEE80211_MODE_MAX]; 498 uint16_t iv_rtsthreshold; 499 uint16_t iv_fragthreshold; 500 int iv_inact_timer; /* inactivity timer wait */ 501 /* application-specified IE's to attach to mgt frames */ 502 struct ieee80211_appie *iv_appie_beacon; 503 struct ieee80211_appie *iv_appie_probereq; 504 struct ieee80211_appie *iv_appie_proberesp; 505 struct ieee80211_appie *iv_appie_assocreq; 506 struct ieee80211_appie *iv_appie_assocresp; 507 struct ieee80211_appie *iv_appie_wpa; 508 uint8_t *iv_wpa_ie; 509 uint8_t *iv_rsn_ie; 510 511 /* Key management */ 512 uint16_t iv_max_keyix; /* max h/w key index */ 513 ieee80211_keyix iv_def_txkey; /* default/group tx key index */ 514 struct ieee80211_key iv_nw_keys[IEEE80211_WEP_NKID]; 515 int (*iv_key_alloc)(struct ieee80211vap *, 516 struct ieee80211_key *, 517 ieee80211_keyix *, ieee80211_keyix *); 518 int (*iv_key_delete)(struct ieee80211vap *, 519 const struct ieee80211_key *); 520 int (*iv_key_set)(struct ieee80211vap *, 521 const struct ieee80211_key *); 522 void (*iv_key_update_begin)(struct ieee80211vap *); 523 void (*iv_key_update_end)(struct ieee80211vap *); 524 void (*iv_update_deftxkey)(struct ieee80211vap *, 525 ieee80211_keyix deftxkey); 526 527 const struct ieee80211_authenticator *iv_auth; /* authenticator glue */ 528 void *iv_ec; /* private auth state */ 529 530 const struct ieee80211_aclator *iv_acl; /* acl glue */ 531 void *iv_as; /* private aclator state */ 532 533 const struct ieee80211_ratectl *iv_rate; 534 void *iv_rs; /* private ratectl state */ 535 536 struct ieee80211_tdma_state *iv_tdma; /* tdma state */ 537 struct ieee80211_mesh_state *iv_mesh; /* MBSS state */ 538 struct ieee80211_hwmp_state *iv_hwmp; /* HWMP state */ 539 540 /* operate-mode detach hook */ 541 void (*iv_opdetach)(struct ieee80211vap *); 542 /* receive processing */ 543 int (*iv_input)(struct ieee80211_node *, 544 struct mbuf *, 545 const struct ieee80211_rx_stats *, 546 int, int); 547 void (*iv_recv_mgmt)(struct ieee80211_node *, 548 struct mbuf *, int, 549 const struct ieee80211_rx_stats *, 550 int, int); 551 void (*iv_recv_ctl)(struct ieee80211_node *, 552 struct mbuf *, int); 553 void (*iv_deliver_data)(struct ieee80211vap *, 554 struct ieee80211_node *, struct mbuf *); 555 #if 0 556 /* send processing */ 557 int (*iv_send_mgmt)(struct ieee80211_node *, 558 int, int); 559 #endif 560 /* beacon miss processing */ 561 void (*iv_bmiss)(struct ieee80211vap *); 562 /* reset device state after 802.11 parameter/state change */ 563 int (*iv_reset)(struct ieee80211vap *, u_long); 564 /* [schedule] beacon frame update */ 565 void (*iv_update_beacon)(struct ieee80211vap *, int); 566 /* power save handling */ 567 void (*iv_update_ps)(struct ieee80211vap *, int); 568 int (*iv_set_tim)(struct ieee80211_node *, int); 569 void (*iv_node_ps)(struct ieee80211_node *, int); 570 void (*iv_sta_ps)(struct ieee80211vap *, int); 571 void (*iv_recv_pspoll)(struct ieee80211_node *, 572 struct mbuf *); 573 574 /* state machine processing */ 575 int (*iv_newstate)(struct ieee80211vap *, 576 enum ieee80211_state, int); 577 struct ieee80211_node * (*iv_update_bss)(struct ieee80211vap *, 578 struct ieee80211_node *); 579 580 /* 802.3 output method for raw frame xmit */ 581 int (*iv_output)(struct ifnet *, struct mbuf *, 582 const struct sockaddr *, struct route *); 583 584 int (*iv_wme_update)(struct ieee80211vap *, 585 const struct wmeParams *wme_params); 586 struct task iv_wme_task; /* deferred VAP WME update */ 587 588 /* associated state; protection mode */ 589 enum ieee80211_protmode iv_protmode; /* 802.11g protection mode */ 590 enum ieee80211_protmode iv_htprotmode; /* HT protection mode */ 591 uint8_t iv_curhtprotmode;/* HTINFO bss state */ 592 593 uint16_t iv_nonerpsta; /* # non-ERP stations */ 594 uint16_t iv_longslotsta; /* # long slot time stations */ 595 uint16_t iv_ht_sta_assoc;/* HT stations associated */ 596 uint16_t iv_ht40_sta_assoc;/* HT40 stations associated */ 597 int iv_lastnonerp; /* last time non-ERP sta noted*/ 598 int iv_lastnonht; /* last time non-HT sta noted */ 599 600 /* update device state for 802.11 slot time change */ 601 void (*iv_updateslot)(struct ieee80211vap *); 602 struct task iv_slot_task; /* deferred slot time update */ 603 604 struct task iv_erp_protmode_task; /* deferred ERP protmode update */ 605 void (*iv_erp_protmode_update)(struct ieee80211vap *); 606 607 struct task iv_preamble_task; /* deferred short/barker preamble update */ 608 void (*iv_preamble_update)(struct ieee80211vap *); 609 610 struct task iv_ht_protmode_task; /* deferred HT protmode update */ 611 void (*iv_ht_protmode_update)(struct ieee80211vap *); 612 613 /* per-vap U-APSD state */ 614 uint8_t iv_uapsdinfo; /* sta mode QoS Info flags */ 615 616 /* Optional transmit/receive histogram statistics */ 617 struct ieee80211_rx_histogram *rx_histogram; 618 struct ieee80211_tx_histogram *tx_histogram; 619 620 uint64_t iv_spare[36]; 621 }; 622 MALLOC_DECLARE(M_80211_VAP); 623 624 #define IEEE80211_ADDR_EQ(a1,a2) (memcmp(a1,a2,IEEE80211_ADDR_LEN) == 0) 625 #define IEEE80211_ADDR_COPY(dst,src) memcpy(dst,src,IEEE80211_ADDR_LEN) 626 627 /* ic_flags/iv_flags */ 628 #define IEEE80211_F_TURBOP 0x00000001 /* CONF: ATH Turbo enabled*/ 629 #define IEEE80211_F_COMP 0x00000002 /* CONF: ATH comp enabled */ 630 #define IEEE80211_F_FF 0x00000004 /* CONF: ATH FF enabled */ 631 #define IEEE80211_F_BURST 0x00000008 /* CONF: bursting enabled */ 632 /* NB: this is intentionally setup to be IEEE80211_CAPINFO_PRIVACY */ 633 #define IEEE80211_F_PRIVACY 0x00000010 /* CONF: privacy enabled */ 634 #define IEEE80211_F_PUREG 0x00000020 /* CONF: 11g w/o 11b sta's */ 635 #define IEEE80211_F_SCAN 0x00000080 /* STATUS: scanning */ 636 /* 0x00000300 reserved */ 637 /* NB: this is intentionally setup to be IEEE80211_CAPINFO_SHORT_SLOTTIME */ 638 #define IEEE80211_F_SHSLOT 0x00000400 /* STATUS: use short slot time*/ 639 #define IEEE80211_F_PMGTON 0x00000800 /* CONF: Power mgmt enable */ 640 #define IEEE80211_F_DESBSSID 0x00001000 /* CONF: des_bssid is set */ 641 #define IEEE80211_F_WME 0x00002000 /* CONF: enable WME use */ 642 #define IEEE80211_F_BGSCAN 0x00004000 /* CONF: bg scan enabled (???)*/ 643 #define IEEE80211_F_SWRETRY 0x00008000 /* CONF: sw tx retry enabled */ 644 /* 0x00030000 reserved */ 645 #define IEEE80211_F_SHPREAMBLE 0x00040000 /* STATUS: use short preamble */ 646 #define IEEE80211_F_DATAPAD 0x00080000 /* CONF: do alignment pad */ 647 #define IEEE80211_F_USEPROT 0x00100000 /* STATUS: protection enabled */ 648 #define IEEE80211_F_USEBARKER 0x00200000 /* STATUS: use barker preamble*/ 649 #define IEEE80211_F_CSAPENDING 0x00400000 /* STATUS: chan switch pending*/ 650 #define IEEE80211_F_WPA1 0x00800000 /* CONF: WPA enabled */ 651 #define IEEE80211_F_WPA2 0x01000000 /* CONF: WPA2 enabled */ 652 #define IEEE80211_F_WPA 0x01800000 /* CONF: WPA/WPA2 enabled */ 653 #define IEEE80211_F_DROPUNENC 0x02000000 /* CONF: drop unencrypted */ 654 #define IEEE80211_F_COUNTERM 0x04000000 /* CONF: TKIP countermeasures */ 655 #define IEEE80211_F_HIDESSID 0x08000000 /* CONF: hide SSID in beacon */ 656 #define IEEE80211_F_NOBRIDGE 0x10000000 /* CONF: dis. internal bridge */ 657 #define IEEE80211_F_PCF 0x20000000 /* CONF: PCF enabled */ 658 #define IEEE80211_F_DOTH 0x40000000 /* CONF: 11h enabled */ 659 #define IEEE80211_F_DWDS 0x80000000 /* CONF: Dynamic WDS enabled */ 660 661 #define IEEE80211_F_BITS \ 662 "\20\1TURBOP\2COMP\3FF\4BURST\5PRIVACY\6PUREG\10SCAN" \ 663 "\13SHSLOT\14PMGTON\15DESBSSID\16WME\17BGSCAN\20SWRETRY" \ 664 "\23SHPREAMBLE\24DATAPAD\25USEPROT\26USERBARKER\27CSAPENDING" \ 665 "\30WPA1\31WPA2\32DROPUNENC\33COUNTERM\34HIDESSID\35NOBRIDG\36PCF" \ 666 "\37DOTH\40DWDS" 667 668 /* Atheros protocol-specific flags */ 669 #define IEEE80211_F_ATHEROS \ 670 (IEEE80211_F_FF | IEEE80211_F_COMP | IEEE80211_F_TURBOP) 671 /* Check if an Atheros capability was negotiated for use */ 672 #define IEEE80211_ATH_CAP(vap, ni, bit) \ 673 ((vap)->iv_flags & (ni)->ni_ath_flags & (bit)) 674 675 /* ic_flags_ext/iv_flags_ext */ 676 #define IEEE80211_FEXT_INACT 0x00000002 /* CONF: sta inact handling */ 677 #define IEEE80211_FEXT_SCANWAIT 0x00000004 /* STATUS: awaiting scan */ 678 /* 0x00000006 reserved */ 679 #define IEEE80211_FEXT_BGSCAN 0x00000008 /* STATUS: complete bgscan */ 680 #define IEEE80211_FEXT_WPS 0x00000010 /* CONF: WPS enabled */ 681 #define IEEE80211_FEXT_TSN 0x00000020 /* CONF: TSN enabled */ 682 #define IEEE80211_FEXT_SCANREQ 0x00000040 /* STATUS: scan req params */ 683 #define IEEE80211_FEXT_RESUME 0x00000080 /* STATUS: start on resume */ 684 #define IEEE80211_FEXT_4ADDR 0x00000100 /* CONF: apply 4-addr encap */ 685 #define IEEE80211_FEXT_NONERP_PR 0x00000200 /* STATUS: non-ERP sta present*/ 686 #define IEEE80211_FEXT_SWBMISS 0x00000400 /* CONF: do bmiss in s/w */ 687 #define IEEE80211_FEXT_DFS 0x00000800 /* CONF: DFS enabled */ 688 #define IEEE80211_FEXT_DOTD 0x00001000 /* CONF: 11d enabled */ 689 #define IEEE80211_FEXT_STATEWAIT 0x00002000 /* STATUS: awaiting state chg */ 690 #define IEEE80211_FEXT_REINIT 0x00004000 /* STATUS: INIT state first */ 691 #define IEEE80211_FEXT_BPF 0x00008000 /* STATUS: BPF tap present */ 692 /* NB: immutable: should be set only when creating a vap */ 693 #define IEEE80211_FEXT_WDSLEGACY 0x00010000 /* CONF: legacy WDS operation */ 694 #define IEEE80211_FEXT_PROBECHAN 0x00020000 /* CONF: probe passive channel*/ 695 #define IEEE80211_FEXT_UNIQMAC 0x00040000 /* CONF: user or computed mac */ 696 #define IEEE80211_FEXT_SCAN_OFFLOAD 0x00080000 /* CONF: scan is fully offloaded */ 697 #define IEEE80211_FEXT_SEQNO_OFFLOAD 0x00100000 /* CONF: driver does seqno insertion/allocation */ 698 #define IEEE80211_FEXT_FRAG_OFFLOAD 0x00200000 /* CONF: hardware does 802.11 fragmentation + assignment */ 699 #define IEEE80211_FEXT_VHT 0x00400000 /* CONF: VHT support */ 700 #define IEEE80211_FEXT_QUIET_IE 0x00800000 /* STATUS: quiet IE in a beacon has been added */ 701 #define IEEE80211_FEXT_UAPSD 0x01000000 /* CONF: enable U-APSD */ 702 #define IEEE80211_FEXT_AMPDU_OFFLOAD 0x02000000 /* CONF: driver/fw handles AMPDU[-TX] itself */ 703 704 #define IEEE80211_FEXT_BITS \ 705 "\20\2INACT\3SCANWAIT\4BGSCAN\5WPS\6TSN\7SCANREQ\10RESUME" \ 706 "\0114ADDR\12NONEPR_PR\13SWBMISS\14DFS\15DOTD\16STATEWAIT\17REINIT" \ 707 "\20BPF\21WDSLEGACY\22PROBECHAN\23UNIQMAC\24SCAN_OFFLOAD\25SEQNO_OFFLOAD" \ 708 "\26FRAG_OFFLOAD\27VHT" \ 709 "\30QUIET_IE\31UAPSD\32AMPDU_OFFLOAD" 710 711 /* ic_flags_ht/iv_flags_ht */ 712 #define IEEE80211_FHT_NONHT_PR 0x00000001 /* STATUS: non-HT sta present */ 713 #define IEEE80211_FHT_LDPC_TX 0x00010000 /* CONF: LDPC tx enabled */ 714 #define IEEE80211_FHT_LDPC_RX 0x00020000 /* CONF: LDPC rx enabled */ 715 #define IEEE80211_FHT_GF 0x00040000 /* CONF: Greenfield enabled */ 716 #define IEEE80211_FHT_HT 0x00080000 /* CONF: HT supported */ 717 #define IEEE80211_FHT_AMPDU_TX 0x00100000 /* CONF: A-MPDU tx supported */ 718 #define IEEE80211_FHT_AMPDU_RX 0x00200000 /* CONF: A-MPDU rx supported */ 719 #define IEEE80211_FHT_AMSDU_TX 0x00400000 /* CONF: A-MSDU tx supported */ 720 #define IEEE80211_FHT_AMSDU_RX 0x00800000 /* CONF: A-MSDU rx supported */ 721 #define IEEE80211_FHT_USEHT40 0x01000000 /* CONF: 20/40 use enabled */ 722 #define IEEE80211_FHT_PUREN 0x02000000 /* CONF: 11n w/o legacy sta's */ 723 #define IEEE80211_FHT_SHORTGI20 0x04000000 /* CONF: short GI in HT20 */ 724 #define IEEE80211_FHT_SHORTGI40 0x08000000 /* CONF: short GI in HT40 */ 725 #define IEEE80211_FHT_HTCOMPAT 0x10000000 /* CONF: HT vendor OUI's */ 726 #define IEEE80211_FHT_RIFS 0x20000000 /* CONF: RIFS enabled */ 727 #define IEEE80211_FHT_STBC_TX 0x40000000 /* CONF: STBC tx enabled */ 728 #define IEEE80211_FHT_STBC_RX 0x80000000 /* CONF: STBC rx enabled */ 729 730 #define IEEE80211_FHT_BITS \ 731 "\20\1NONHT_PR" \ 732 "\21LDPC_TX\22LDPC_RX\23GF\24HT\25AMPDU_TX\26AMPDU_RX" \ 733 "\27AMSDU_TX\30AMSDU_RX\31USEHT40\32PUREN\33SHORTGI20\34SHORTGI40" \ 734 "\35HTCOMPAT\36RIFS\37STBC_TX\40STBC_RX" 735 736 #define IEEE80211_FVEN_BITS "\20" 737 738 /* 739 * These flags are compared in ieee80211_setupcurchan(). 740 * Thus 160 should be > 80P80. 741 */ 742 #define IEEE80211_FVHT_VHT 0x000000001 /* CONF: VHT supported */ 743 #define IEEE80211_FVHT_USEVHT40 0x000000002 /* CONF: Use VHT40 */ 744 #define IEEE80211_FVHT_USEVHT80 0x000000004 /* CONF: Use VHT80 */ 745 #define IEEE80211_FVHT_USEVHT80P80 0x000000008 /* CONF: Use VHT 80+80 */ 746 #define IEEE80211_FVHT_USEVHT160 0x000000010 /* CONF: Use VHT160 */ 747 #define IEEE80211_FVHT_STBC_TX 0x00000020 /* CONF: STBC tx enabled */ 748 #define IEEE80211_FVHT_STBC_RX 0x00000040 /* CONF: STBC rx enabled */ 749 750 #define IEEE80211_FVHT_CHANWIDTH_MASK \ 751 (IEEE80211_FVHT_VHT | IEEE80211_FVHT_USEVHT40 | \ 752 IEEE80211_FVHT_USEVHT80 | IEEE80211_FVHT_USEVHT160 | \ 753 IEEE80211_FVHT_USEVHT80P80) 754 755 #define IEEE80211_FVHT_MASK \ 756 (IEEE80211_FVHT_CHANWIDTH_MASK | \ 757 IEEE80211_FVHT_STBC_TX | IEEE80211_FVHT_STBC_RX) 758 759 #define IEEE80211_VFHT_BITS \ 760 "\20\1VHT\2VHT40\3VHT80\4VHT80P80\5VHT160\6STBC_TX\7STBC_RX" 761 762 #define IEEE80211_COM_DETACHED 0x00000001 /* ieee80211_ifdetach called */ 763 #define IEEE80211_COM_REF_ADD 0x00000002 /* add / remove reference */ 764 #define IEEE80211_COM_REF 0xfffffffe /* reference counter bits */ 765 #define IEEE80211_COM_REF_S 1 766 #define IEEE80211_COM_REF_MAX (IEEE80211_COM_REF >> IEEE80211_COM_REF_S) 767 768 /* TODO: Transition macro */ 769 #define ic_printf net80211_ic_printf 770 771 void ieee80211_ifattach(struct ieee80211com *); 772 void ieee80211_ifdetach(struct ieee80211com *); 773 void ieee80211_set_software_ciphers(struct ieee80211com *, 774 uint32_t cipher_suite); 775 void ieee80211_set_hardware_ciphers(struct ieee80211com *, 776 uint32_t cipher_suite); 777 void ieee80211_set_driver_keymgmt_suites(struct ieee80211com *ic, 778 uint32_t keymgmt_set); 779 int ieee80211_vap_setup(struct ieee80211com *, struct ieee80211vap *, 780 const char name[IFNAMSIZ], int unit, 781 enum ieee80211_opmode opmode, int flags, 782 const uint8_t bssid[IEEE80211_ADDR_LEN]); 783 int ieee80211_vap_attach(struct ieee80211vap *, 784 ifm_change_cb_t, ifm_stat_cb_t, 785 const uint8_t macaddr[IEEE80211_ADDR_LEN]); 786 void ieee80211_vap_detach(struct ieee80211vap *); 787 const struct ieee80211_rateset *ieee80211_get_suprates(struct ieee80211com *ic, 788 const struct ieee80211_channel *); 789 const struct ieee80211_htrateset *ieee80211_get_suphtrates( 790 struct ieee80211com *, const struct ieee80211_channel *); 791 void ieee80211_announce(struct ieee80211com *); 792 void ieee80211_announce_channels(struct ieee80211com *); 793 void ieee80211_drain(struct ieee80211com *); 794 void ieee80211_chan_init(struct ieee80211com *); 795 struct ieee80211com *ieee80211_find_vap(const uint8_t mac[IEEE80211_ADDR_LEN]); 796 struct ieee80211com *ieee80211_find_com(const char *name); 797 typedef void ieee80211_com_iter_func(void *, struct ieee80211com *); 798 void ieee80211_iterate_coms(ieee80211_com_iter_func *, void *); 799 int ieee80211_media_change(struct ifnet *); 800 void ieee80211_media_status(struct ifnet *, struct ifmediareq *); 801 int ieee80211_ioctl(struct ifnet *, u_long, caddr_t); 802 int ieee80211_rate2media(struct ieee80211com *, 803 const struct ieee80211_node_txrate *, 804 enum ieee80211_phymode); 805 int ieee80211_media2rate(int); 806 int ieee80211_mhz2ieee(u_int, u_int); 807 int ieee80211_chan2ieee(struct ieee80211com *, 808 const struct ieee80211_channel *); 809 u_int ieee80211_ieee2mhz(u_int, u_int); 810 int ieee80211_add_channel_cbw(struct ieee80211_channel[], int, int *, 811 uint8_t, uint16_t, int8_t, uint32_t, const uint8_t[], int); 812 int ieee80211_add_channel(struct ieee80211_channel[], int, int *, 813 uint8_t, uint16_t, int8_t, uint32_t, const uint8_t[]); 814 int ieee80211_add_channel_ht40(struct ieee80211_channel[], int, int *, 815 uint8_t, int8_t, uint32_t); 816 uint32_t ieee80211_get_channel_center_freq(const struct ieee80211_channel *); 817 uint32_t ieee80211_get_channel_center_freq1(const struct ieee80211_channel *); 818 uint32_t ieee80211_get_channel_center_freq2(const struct ieee80211_channel *); 819 #define NET80211_CBW_FLAG_HT40 0x01 820 #define NET80211_CBW_FLAG_VHT80 0x02 821 #define NET80211_CBW_FLAG_VHT160 0x04 822 #define NET80211_CBW_FLAG_VHT80P80 0x08 823 int ieee80211_add_channel_list_2ghz(struct ieee80211_channel[], int, int *, 824 const uint8_t[], int, const uint8_t[], int); 825 int ieee80211_add_channels_default_2ghz(struct ieee80211_channel[], int, 826 int *, const uint8_t[], int); 827 int ieee80211_add_channel_list_5ghz(struct ieee80211_channel[], int, int *, 828 const uint8_t[], int, const uint8_t[], int); 829 struct ieee80211_channel *ieee80211_find_channel(struct ieee80211com *, 830 int freq, int flags); 831 struct ieee80211_channel *ieee80211_find_channel_byieee(struct ieee80211com *, 832 int ieee, int flags); 833 struct ieee80211_channel *ieee80211_lookup_channel_rxstatus(struct ieee80211vap *, 834 const struct ieee80211_rx_stats *); 835 int ieee80211_setmode(struct ieee80211com *, enum ieee80211_phymode); 836 enum ieee80211_phymode ieee80211_chan2mode(const struct ieee80211_channel *); 837 uint32_t ieee80211_mac_hash(const struct ieee80211com *, 838 const uint8_t addr[IEEE80211_ADDR_LEN]); 839 char ieee80211_channel_type_char(const struct ieee80211_channel *c); 840 841 #define ieee80211_get_current_channel(_ic) ((_ic)->ic_curchan) 842 #define ieee80211_get_home_channel(_ic) ((_ic)->ic_bsschan) 843 #define ieee80211_get_vap_desired_channel(_iv) ((_iv)->iv_des_chan) 844 845 bool ieee80211_is_key_global(const struct ieee80211vap *vap, 846 const struct ieee80211_key *key); 847 bool ieee80211_is_key_unicast(const struct ieee80211vap *vap, 848 const struct ieee80211_key *key); 849 850 bool ieee80211_is_ctl_frame_for_vap(struct ieee80211_node *, 851 const struct mbuf *); 852 853 void ieee80211_radiotap_attach(struct ieee80211com *, 854 struct ieee80211_radiotap_header *th, int tlen, 855 uint32_t tx_radiotap, 856 struct ieee80211_radiotap_header *rh, int rlen, 857 uint32_t rx_radiotap); 858 void ieee80211_radiotap_attachv(struct ieee80211com *, 859 struct ieee80211_radiotap_header *th, 860 int tlen, int n_tx_v, uint32_t tx_radiotap, 861 struct ieee80211_radiotap_header *rh, 862 int rlen, int n_rx_v, uint32_t rx_radiotap); 863 void ieee80211_radiotap_detach(struct ieee80211com *); 864 void ieee80211_radiotap_vattach(struct ieee80211vap *); 865 void ieee80211_radiotap_vdetach(struct ieee80211vap *); 866 void ieee80211_radiotap_chan_change(struct ieee80211com *); 867 void ieee80211_radiotap_tx(struct ieee80211vap *, struct mbuf *); 868 void ieee80211_radiotap_rx(struct ieee80211vap *, struct mbuf *); 869 void ieee80211_radiotap_rx_all(struct ieee80211com *, struct mbuf *); 870 871 static __inline int 872 ieee80211_radiotap_active(const struct ieee80211com *ic) 873 { 874 return (ic->ic_flags_ext & IEEE80211_FEXT_BPF) != 0; 875 } 876 877 static __inline int 878 ieee80211_radiotap_active_vap(const struct ieee80211vap *vap) 879 { 880 return (vap->iv_flags_ext & IEEE80211_FEXT_BPF) || 881 vap->iv_ic->ic_montaps != 0; 882 } 883 884 /* 885 * Enqueue a task on the state thread. 886 */ 887 static __inline void 888 ieee80211_runtask(struct ieee80211com *ic, struct task *task) 889 { 890 taskqueue_enqueue(ic->ic_tq, task); 891 } 892 893 /* 894 * Wait for a queued task to complete. 895 */ 896 static __inline void 897 ieee80211_draintask(struct ieee80211com *ic, struct task *task) 898 { 899 taskqueue_drain(ic->ic_tq, task); 900 } 901 902 /* 903 * Key update synchronization methods. XXX should not be visible. 904 */ 905 static __inline void 906 ieee80211_key_update_begin(struct ieee80211vap *vap) 907 { 908 vap->iv_key_update_begin(vap); 909 } 910 static __inline void 911 ieee80211_key_update_end(struct ieee80211vap *vap) 912 { 913 vap->iv_key_update_end(vap); 914 } 915 916 /* 917 * XXX these need to be here for IEEE80211_F_DATAPAD 918 */ 919 920 /* 921 * Return the space occupied by the 802.11 header and any 922 * padding required by the driver. This works for a 923 * management or data frame. 924 */ 925 static __inline int 926 ieee80211_hdrspace(struct ieee80211com *ic, const void *data) 927 { 928 int size = ieee80211_hdrsize(data); 929 if (ic->ic_flags & IEEE80211_F_DATAPAD) 930 size = roundup(size, sizeof(uint32_t)); 931 return size; 932 } 933 934 /* 935 * Like ieee80211_hdrspace, but handles any type of frame. 936 */ 937 static __inline int 938 ieee80211_anyhdrspace(struct ieee80211com *ic, const void *data) 939 { 940 int size = ieee80211_anyhdrsize(data); 941 if (ic->ic_flags & IEEE80211_F_DATAPAD) 942 size = roundup(size, sizeof(uint32_t)); 943 return size; 944 } 945 946 /* 947 * Notify a vap that beacon state has been updated. 948 */ 949 static __inline void 950 ieee80211_beacon_notify(struct ieee80211vap *vap, int what) 951 { 952 if (vap->iv_state == IEEE80211_S_RUN) 953 vap->iv_update_beacon(vap, what); 954 } 955 956 /* 957 * Calculate HT channel promotion flags for a channel. 958 * XXX belongs in ieee80211_ht.h but needs IEEE80211_FHT_* 959 */ 960 static __inline int 961 ieee80211_htchanflags(const struct ieee80211_channel *c) 962 { 963 return IEEE80211_IS_CHAN_HT40(c) ? 964 IEEE80211_FHT_HT | IEEE80211_FHT_USEHT40 : 965 IEEE80211_IS_CHAN_HT(c) ? IEEE80211_FHT_HT : 0; 966 } 967 968 /* 969 * Calculate VHT channel promotion flags for a channel. 970 * XXX belongs in ieee80211_vht.h but needs IEEE80211_FVHT_* 971 */ 972 static __inline int 973 ieee80211_vhtchanflags(const struct ieee80211_channel *c) 974 { 975 976 if (IEEE80211_IS_CHAN_VHT160(c)) 977 return IEEE80211_FVHT_USEVHT160; 978 if (IEEE80211_IS_CHAN_VHT80P80(c)) 979 return IEEE80211_FVHT_USEVHT80P80; 980 if (IEEE80211_IS_CHAN_VHT80(c)) 981 return IEEE80211_FVHT_USEVHT80; 982 if (IEEE80211_IS_CHAN_VHT40(c)) 983 return IEEE80211_FVHT_USEVHT40; 984 if (IEEE80211_IS_CHAN_VHT(c)) 985 return IEEE80211_FVHT_VHT; 986 return (0); 987 } 988 989 /* 990 * Fetch the current TX power (cap) for the given node. 991 * 992 * This includes the node and ic/vap TX power limit as needed, 993 * but it doesn't take into account any per-rate limit. 994 */ 995 static __inline uint16_t 996 ieee80211_get_node_txpower(struct ieee80211_node *ni) 997 { 998 struct ieee80211com *ic = ni->ni_ic; 999 uint16_t txpower; 1000 1001 txpower = ni->ni_txpower; 1002 txpower = MIN(txpower, ic->ic_txpowlimit); 1003 if (ic->ic_curchan != NULL) { 1004 txpower = MIN(txpower, 2 * ic->ic_curchan->ic_maxregpower); 1005 txpower = MIN(txpower, ic->ic_curchan->ic_maxpower); 1006 } 1007 1008 return (txpower); 1009 } 1010 1011 /* 1012 * Debugging facilities compiled in when IEEE80211_DEBUG is defined. 1013 * 1014 * The intent is that any problem in the net80211 layer can be 1015 * diagnosed by inspecting the statistics (dumped by the wlanstats 1016 * program) and/or the msgs generated by net80211. Messages are 1017 * broken into functional classes and can be controlled with the 1018 * wlandebug program. Certain of these msg groups are for facilities 1019 * that are no longer part of net80211 (e.g. IEEE80211_MSG_DOT1XSM). 1020 */ 1021 #define IEEE80211_MSG_11N 0x80000000 /* 11n mode debug */ 1022 #define IEEE80211_MSG_DEBUG 0x40000000 /* IFF_DEBUG equivalent */ 1023 #define IEEE80211_MSG_DUMPPKTS 0x20000000 /* IFF_LINK2 equivalant */ 1024 #define IEEE80211_MSG_CRYPTO 0x10000000 /* crypto work */ 1025 #define IEEE80211_MSG_INPUT 0x08000000 /* input handling */ 1026 #define IEEE80211_MSG_XRATE 0x04000000 /* rate set handling */ 1027 #define IEEE80211_MSG_ELEMID 0x02000000 /* element id parsing */ 1028 #define IEEE80211_MSG_NODE 0x01000000 /* node handling */ 1029 #define IEEE80211_MSG_ASSOC 0x00800000 /* association handling */ 1030 #define IEEE80211_MSG_AUTH 0x00400000 /* authentication handling */ 1031 #define IEEE80211_MSG_SCAN 0x00200000 /* scanning */ 1032 #define IEEE80211_MSG_OUTPUT 0x00100000 /* output handling */ 1033 #define IEEE80211_MSG_STATE 0x00080000 /* state machine */ 1034 #define IEEE80211_MSG_POWER 0x00040000 /* power save handling */ 1035 #define IEEE80211_MSG_HWMP 0x00020000 /* hybrid mesh protocol */ 1036 #define IEEE80211_MSG_DOT1XSM 0x00010000 /* 802.1x state machine */ 1037 #define IEEE80211_MSG_RADIUS 0x00008000 /* 802.1x radius client */ 1038 #define IEEE80211_MSG_RADDUMP 0x00004000 /* dump 802.1x radius packets */ 1039 #define IEEE80211_MSG_MESH 0x00002000 /* mesh networking */ 1040 #define IEEE80211_MSG_WPA 0x00001000 /* WPA/RSN protocol */ 1041 #define IEEE80211_MSG_ACL 0x00000800 /* ACL handling */ 1042 #define IEEE80211_MSG_WME 0x00000400 /* WME protocol */ 1043 #define IEEE80211_MSG_SUPERG 0x00000200 /* Atheros SuperG protocol */ 1044 #define IEEE80211_MSG_DOTH 0x00000100 /* 802.11h support */ 1045 #define IEEE80211_MSG_INACT 0x00000080 /* inactivity handling */ 1046 #define IEEE80211_MSG_ROAM 0x00000040 /* sta-mode roaming */ 1047 #define IEEE80211_MSG_RATECTL 0x00000020 /* tx rate control */ 1048 #define IEEE80211_MSG_ACTION 0x00000010 /* action frame handling */ 1049 #define IEEE80211_MSG_WDS 0x00000008 /* WDS handling */ 1050 #define IEEE80211_MSG_IOCTL 0x00000004 /* ioctl handling */ 1051 #define IEEE80211_MSG_TDMA 0x00000002 /* TDMA handling */ 1052 1053 #define IEEE80211_MSG_ANY 0xffffffff /* anything */ 1054 1055 #define IEEE80211_MSG_BITS \ 1056 "\20\2TDMA\3IOCTL\4WDS\5ACTION\6RATECTL\7ROAM\10INACT\11DOTH\12SUPERG" \ 1057 "\13WME\14ACL\15WPA\16RADKEYS\17RADDUMP\20RADIUS\21DOT1XSM\22HWMP" \ 1058 "\23POWER\24STATE\25OUTPUT\26SCAN\27AUTH\30ASSOC\31NODE\32ELEMID" \ 1059 "\33XRATE\34INPUT\35CRYPTO\36DUPMPKTS\37DEBUG\04011N" 1060 1061 /* Helper macros unified. */ 1062 #define _IEEE80211_MASKSHIFT(_v, _f) (((_v) & _f) >> _f##_S) 1063 #define _IEEE80211_SHIFTMASK(_v, _f) (((_v) << _f##_S) & _f) 1064 1065 #ifdef IEEE80211_DEBUG 1066 #define ieee80211_msg(_vap, _m) ((_vap)->iv_debug & (_m)) 1067 #define IEEE80211_DPRINTF(_vap, _m, _fmt, ...) do { \ 1068 if (ieee80211_msg(_vap, _m)) \ 1069 ieee80211_note(_vap, _fmt, __VA_ARGS__); \ 1070 } while (0) 1071 #define IEEE80211_NOTE(_vap, _m, _ni, _fmt, ...) do { \ 1072 if (ieee80211_msg(_vap, _m)) \ 1073 ieee80211_note_mac(_vap, (_ni)->ni_macaddr, _fmt, __VA_ARGS__);\ 1074 } while (0) 1075 #define IEEE80211_NOTE_MAC(_vap, _m, _mac, _fmt, ...) do { \ 1076 if (ieee80211_msg(_vap, _m)) \ 1077 ieee80211_note_mac(_vap, _mac, _fmt, __VA_ARGS__); \ 1078 } while (0) 1079 #define IEEE80211_NOTE_FRAME(_vap, _m, _wh, _fmt, ...) do { \ 1080 if (ieee80211_msg(_vap, _m)) \ 1081 ieee80211_note_frame(_vap, _wh, _fmt, __VA_ARGS__); \ 1082 } while (0) 1083 void ieee80211_note(const struct ieee80211vap *, const char *, ...); 1084 void ieee80211_note_mac(const struct ieee80211vap *, 1085 const uint8_t mac[IEEE80211_ADDR_LEN], const char *, ...); 1086 void ieee80211_note_frame(const struct ieee80211vap *, 1087 const struct ieee80211_frame *, const char *, ...); 1088 #define ieee80211_msg_debug(_vap) \ 1089 ((_vap)->iv_debug & IEEE80211_MSG_DEBUG) 1090 #define ieee80211_msg_dumppkts(_vap) \ 1091 ((_vap)->iv_debug & IEEE80211_MSG_DUMPPKTS) 1092 #define ieee80211_msg_input(_vap) \ 1093 ((_vap)->iv_debug & IEEE80211_MSG_INPUT) 1094 #define ieee80211_msg_radius(_vap) \ 1095 ((_vap)->iv_debug & IEEE80211_MSG_RADIUS) 1096 #define ieee80211_msg_dumpradius(_vap) \ 1097 ((_vap)->iv_debug & IEEE80211_MSG_RADDUMP) 1098 #define ieee80211_msg_dumpradkeys(_vap) \ 1099 ((_vap)->iv_debug & IEEE80211_MSG_RADKEYS) 1100 #define ieee80211_msg_scan(_vap) \ 1101 ((_vap)->iv_debug & IEEE80211_MSG_SCAN) 1102 #define ieee80211_msg_assoc(_vap) \ 1103 ((_vap)->iv_debug & IEEE80211_MSG_ASSOC) 1104 1105 /* 1106 * Emit a debug message about discarding a frame or information 1107 * element. One format is for extracting the mac address from 1108 * the frame header; the other is for when a header is not 1109 * available or otherwise appropriate. 1110 */ 1111 #define IEEE80211_DISCARD(_vap, _m, _wh, _type, _fmt, ...) do { \ 1112 if ((_vap)->iv_debug & (_m)) \ 1113 ieee80211_discard_frame(_vap, _wh, _type, \ 1114 "%s:%d: " _fmt, __func__, __LINE__, __VA_ARGS__); \ 1115 } while (0) 1116 #define IEEE80211_DISCARD_IE(_vap, _m, _wh, _type, _fmt, ...) do { \ 1117 if ((_vap)->iv_debug & (_m)) \ 1118 ieee80211_discard_ie(_vap, _wh, _type, \ 1119 "%s:%d: " _fmt, __func__, __LINE__, __VA_ARGS__); \ 1120 } while (0) 1121 #define IEEE80211_DISCARD_MAC(_vap, _m, _mac, _type, _fmt, ...) do { \ 1122 if ((_vap)->iv_debug & (_m)) \ 1123 ieee80211_discard_mac(_vap, _mac, _type, \ 1124 "%s:%d: " _fmt, __func__, __LINE__, __VA_ARGS__); \ 1125 } while (0) 1126 1127 void ieee80211_discard_frame(const struct ieee80211vap *, 1128 const struct ieee80211_frame *, const char *type, const char *fmt, ...); 1129 void ieee80211_discard_ie(const struct ieee80211vap *, 1130 const struct ieee80211_frame *, const char *type, const char *fmt, ...); 1131 void ieee80211_discard_mac(const struct ieee80211vap *, 1132 const uint8_t mac[IEEE80211_ADDR_LEN], const char *type, 1133 const char *fmt, ...); 1134 #else 1135 #define IEEE80211_DPRINTF(_vap, _m, _fmt, ...) 1136 #define IEEE80211_NOTE(_vap, _m, _ni, _fmt, ...) 1137 #define IEEE80211_NOTE_FRAME(_vap, _m, _wh, _fmt, ...) 1138 #define IEEE80211_NOTE_MAC(_vap, _m, _mac, _fmt, ...) 1139 #define ieee80211_msg_dumppkts(_vap) 0 1140 #define ieee80211_msg(_vap, _m) 0 1141 1142 #define IEEE80211_DISCARD(_vap, _m, _wh, _type, _fmt, ...) 1143 #define IEEE80211_DISCARD_IE(_vap, _m, _wh, _type, _fmt, ...) 1144 #define IEEE80211_DISCARD_MAC(_vap, _m, _mac, _type, _fmt, ...) 1145 #endif 1146 1147 #endif /* _NET80211_IEEE80211_VAR_H_ */ 1148