ieee80211_var.h revision 186904
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: head/sys/net80211/ieee80211_var.h 186904 2009-01-08 17:12:47Z sam $ 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#ifdef __NetBSD__ 36#include <net80211/ieee80211_netbsd.h> 37#elif __FreeBSD__ 38#include <net80211/ieee80211_freebsd.h> 39#elif __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_crypto.h> 48#include <net80211/ieee80211_dfs.h> 49#include <net80211/ieee80211_ioctl.h> /* for ieee80211_stats */ 50#include <net80211/ieee80211_power.h> 51#include <net80211/ieee80211_node.h> 52#include <net80211/ieee80211_proto.h> 53#include <net80211/ieee80211_scan.h> 54 55#define IEEE80211_TXPOWER_MAX 100 /* .5 dbM (XXX units?) */ 56#define IEEE80211_TXPOWER_MIN 0 /* kill radio */ 57 58#define IEEE80211_DTIM_DEFAULT 1 /* default DTIM period */ 59#define IEEE80211_BINTVAL_DEFAULT 100 /* default beacon interval (TU's) */ 60 61#define IEEE80211_BMISS_MAX 2 /* maximum consecutive bmiss allowed */ 62#define IEEE80211_HWBMISS_DEFAULT 7 /* h/w bmiss threshold (beacons) */ 63 64#define IEEE80211_BGSCAN_INTVAL_MIN 15 /* min bg scan intvl (secs) */ 65#define IEEE80211_BGSCAN_INTVAL_DEFAULT (5*60) /* default bg scan intvl */ 66 67#define IEEE80211_BGSCAN_IDLE_MIN 100 /* min idle time (ms) */ 68#define IEEE80211_BGSCAN_IDLE_DEFAULT 250 /* default idle time (ms) */ 69 70#define IEEE80211_SCAN_VALID_MIN 10 /* min scan valid time (secs) */ 71#define IEEE80211_SCAN_VALID_DEFAULT 60 /* default scan valid time */ 72 73#define IEEE80211_PS_SLEEP 0x1 /* STA is in power saving mode */ 74#define IEEE80211_PS_MAX_QUEUE 50 /* maximum saved packets */ 75 76#define IEEE80211_FIXED_RATE_NONE 0xff 77#define IEEE80211_TXMAX_DEFAULT 6 /* default ucast max retries */ 78 79#define IEEE80211_RTS_DEFAULT IEEE80211_RTS_MAX 80#define IEEE80211_FRAG_DEFAULT IEEE80211_FRAG_MAX 81 82#define IEEE80211_MS_TO_TU(x) (((x) * 1000) / 1024) 83#define IEEE80211_TU_TO_MS(x) (((x) * 1024) / 1000) 84#define IEEE80211_TU_TO_TICKS(x)(((x) * 1024 * hz) / (1000 * 1000)) 85 86/* 87 * 802.11 control state is split into a common portion that maps 88 * 1-1 to a physical device and one or more "Virtual AP's" (VAP) 89 * that are bound to an ieee80211com instance and share a single 90 * underlying device. Each VAP has a corresponding OS device 91 * entity through which traffic flows and that applications use 92 * for issuing ioctls, etc. 93 */ 94 95/* 96 * Data common to one or more virtual AP's. State shared by 97 * the underlying device and the net80211 layer is exposed here; 98 * e.g. device-specific callbacks. 99 */ 100struct ieee80211vap; 101typedef void (*ieee80211vap_attach)(struct ieee80211vap *); 102 103struct ieee80211_appie { 104 uint16_t ie_len; /* size of ie_data */ 105 uint8_t ie_data[]; /* user-specified IE's */ 106}; 107 108struct ieee80211_tdma_param; 109 110struct ieee80211com { 111 struct ifnet *ic_ifp; /* associated device */ 112 ieee80211_com_lock_t ic_comlock; /* state update lock */ 113 TAILQ_HEAD(, ieee80211vap) ic_vaps; /* list of vap instances */ 114 struct ieee80211_stats ic_stats; /* statistics */ 115 int ic_headroom; /* driver tx headroom needs */ 116 enum ieee80211_phytype ic_phytype; /* XXX wrong for multi-mode */ 117 enum ieee80211_opmode ic_opmode; /* operation mode */ 118 struct ifmedia ic_media; /* interface media config */ 119 uint8_t ic_myaddr[IEEE80211_ADDR_LEN]; 120 struct callout ic_inact; /* inactivity processing */ 121 struct task ic_parent_task; /* deferred parent processing */ 122 123 uint32_t ic_flags; /* state flags */ 124 uint32_t ic_flags_ext; /* extended state flags */ 125 uint32_t ic_flags_ven; /* vendor state flags */ 126 uint32_t ic_caps; /* capabilities */ 127 uint32_t ic_htcaps; /* HT capabilities */ 128 uint32_t ic_cryptocaps; /* crypto capabilities */ 129 uint8_t ic_modecaps[2]; /* set of mode capabilities */ 130 uint8_t ic_promisc; /* vap's needing promisc mode */ 131 uint8_t ic_allmulti; /* vap's needing all multicast*/ 132 uint8_t ic_nrunning; /* vap's marked running */ 133 uint8_t ic_curmode; /* current mode */ 134 uint16_t ic_bintval; /* beacon interval */ 135 uint16_t ic_lintval; /* listen interval */ 136 uint16_t ic_holdover; /* PM hold over duration */ 137 uint16_t ic_txpowlimit; /* global tx power limit */ 138 struct ieee80211_rateset ic_sup_rates[IEEE80211_MODE_MAX]; 139 140 /* 141 * Channel state: 142 * 143 * ic_channels is the set of available channels for the device; 144 * it is setup by the driver 145 * ic_nchans is the number of valid entries in ic_channels 146 * ic_chan_avail is a bit vector of these channels used to check 147 * whether a channel is available w/o searching the channel table. 148 * ic_chan_active is a (potentially) constrained subset of 149 * ic_chan_avail that reflects any mode setting or user-specified 150 * limit on the set of channels to use/scan 151 * ic_curchan is the current channel the device is set to; it may 152 * be different from ic_bsschan when we are off-channel scanning 153 * or otherwise doing background work 154 * ic_bsschan is the channel selected for operation; it may 155 * be undefined (IEEE80211_CHAN_ANYC) 156 * ic_prevchan is a cached ``previous channel'' used to optimize 157 * lookups when switching back+forth between two channels 158 * (e.g. for dynamic turbo) 159 */ 160 int ic_nchans; /* # entries in ic_channels */ 161 struct ieee80211_channel ic_channels[IEEE80211_CHAN_MAX]; 162 uint8_t ic_chan_avail[IEEE80211_CHAN_BYTES]; 163 uint8_t ic_chan_active[IEEE80211_CHAN_BYTES]; 164 uint8_t ic_chan_scan[IEEE80211_CHAN_BYTES]; 165 struct ieee80211_channel *ic_curchan; /* current channel */ 166 struct ieee80211_channel *ic_bsschan; /* bss channel */ 167 struct ieee80211_channel *ic_prevchan; /* previous channel */ 168 struct ieee80211_regdomain ic_regdomain;/* regulatory data */ 169 struct ieee80211_appie *ic_countryie; /* calculated country ie */ 170 struct ieee80211_channel *ic_countryie_chan; 171 172 /* 802.11h/DFS state */ 173 struct ieee80211_channel *ic_csa_newchan;/* channel for doing CSA */ 174 int ic_csa_count; /* count for doing CSA */ 175 struct ieee80211_dfs_state ic_dfs; /* DFS state */ 176 177 struct ieee80211_scan_state *ic_scan; /* scan state */ 178 int ic_lastdata; /* time of last data frame */ 179 int ic_lastscan; /* time last scan completed */ 180 181 /* NB: this is the union of all vap stations/neighbors */ 182 int ic_max_keyix; /* max h/w key index */ 183 struct ieee80211_node_table ic_sta; /* stations/neighbors */ 184 185 /* XXX multi-bss: split out common/vap parts */ 186 struct ieee80211_wme_state ic_wme; /* WME/WMM state */ 187 188 /* XXX multi-bss: can per-vap be done/make sense? */ 189 enum ieee80211_protmode ic_protmode; /* 802.11g protection mode */ 190 uint16_t ic_nonerpsta; /* # non-ERP stations */ 191 uint16_t ic_longslotsta; /* # long slot time stations */ 192 uint16_t ic_sta_assoc; /* stations associated */ 193 uint16_t ic_ht_sta_assoc;/* HT stations associated */ 194 uint16_t ic_ht40_sta_assoc;/* HT40 stations associated */ 195 uint8_t ic_curhtprotmode;/* HTINFO bss state */ 196 enum ieee80211_protmode ic_htprotmode; /* HT protection mode */ 197 int ic_lastnonerp; /* last time non-ERP sta noted*/ 198 int ic_lastnonht; /* last time non-HT sta noted */ 199 200 /* virtual ap create/delete */ 201 struct ieee80211vap* (*ic_vap_create)(struct ieee80211com *, 202 const char name[IFNAMSIZ], int unit, 203 int opmode, int flags, 204 const uint8_t bssid[IEEE80211_ADDR_LEN], 205 const uint8_t macaddr[IEEE80211_ADDR_LEN]); 206 void (*ic_vap_delete)(struct ieee80211vap *); 207 /* operating mode attachment */ 208 ieee80211vap_attach ic_vattach[IEEE80211_OPMODE_MAX]; 209 /* return hardware/radio capabilities */ 210 void (*ic_getradiocaps)(struct ieee80211com *, 211 int *, struct ieee80211_channel []); 212 /* check and/or prepare regdomain state change */ 213 int (*ic_setregdomain)(struct ieee80211com *, 214 struct ieee80211_regdomain *, 215 int, struct ieee80211_channel []); 216 /* send/recv 802.11 management frame */ 217 int (*ic_send_mgmt)(struct ieee80211_node *, 218 int, int); 219 /* send raw 802.11 frame */ 220 int (*ic_raw_xmit)(struct ieee80211_node *, 221 struct mbuf *, 222 const struct ieee80211_bpf_params *); 223 /* update device state for 802.11 slot time change */ 224 void (*ic_updateslot)(struct ifnet *); 225 /* handle multicast state changes */ 226 void (*ic_update_mcast)(struct ifnet *); 227 /* handle promiscuous mode changes */ 228 void (*ic_update_promisc)(struct ifnet *); 229 /* new station association callback/notification */ 230 void (*ic_newassoc)(struct ieee80211_node *, int); 231 /* TDMA update notification */ 232 void (*ic_tdma_update)(struct ieee80211_node *, 233 const struct ieee80211_tdma_param *); 234 /* node state management */ 235 struct ieee80211_node* (*ic_node_alloc)(struct ieee80211vap *, 236 const uint8_t [IEEE80211_ADDR_LEN]); 237 void (*ic_node_free)(struct ieee80211_node *); 238 void (*ic_node_cleanup)(struct ieee80211_node *); 239 void (*ic_node_age)(struct ieee80211_node *); 240 void (*ic_node_drain)(struct ieee80211_node *); 241 int8_t (*ic_node_getrssi)(const struct ieee80211_node*); 242 void (*ic_node_getsignal)(const struct ieee80211_node*, 243 int8_t *, int8_t *); 244 void (*ic_node_getmimoinfo)( 245 const struct ieee80211_node*, 246 struct ieee80211_mimo_info *); 247 /* scanning support */ 248 void (*ic_scan_start)(struct ieee80211com *); 249 void (*ic_scan_end)(struct ieee80211com *); 250 void (*ic_set_channel)(struct ieee80211com *); 251 void (*ic_scan_curchan)(struct ieee80211_scan_state *, 252 unsigned long); 253 void (*ic_scan_mindwell)(struct ieee80211_scan_state *); 254 255 /* 256 * 802.11n ADDBA support. A simple/generic implementation 257 * of A-MPDU tx aggregation is provided; the driver may 258 * override these methods to provide their own support. 259 * A-MPDU rx re-ordering happens automatically if the 260 * driver passes out-of-order frames to ieee80211_input 261 * from an assocated HT station. 262 */ 263 void (*ic_recv_action)(struct ieee80211_node *, 264 const uint8_t *frm, const uint8_t *efrm); 265 int (*ic_send_action)(struct ieee80211_node *, 266 int category, int action, 267 uint16_t args[4]); 268 /* check if A-MPDU should be enabled this station+ac */ 269 int (*ic_ampdu_enable)(struct ieee80211_node *, 270 struct ieee80211_tx_ampdu *); 271 /* start/stop doing A-MPDU tx aggregation for a station */ 272 int (*ic_addba_request)(struct ieee80211_node *, 273 struct ieee80211_tx_ampdu *, 274 int dialogtoken, int baparamset, 275 int batimeout); 276 int (*ic_addba_response)(struct ieee80211_node *, 277 struct ieee80211_tx_ampdu *, 278 int status, int baparamset, int batimeout); 279 void (*ic_addba_stop)(struct ieee80211_node *, 280 struct ieee80211_tx_ampdu *); 281 /* BAR response received */ 282 void (*ic_bar_response)(struct ieee80211_node *, 283 struct ieee80211_tx_ampdu *, int status); 284}; 285 286struct ieee80211_aclator; 287struct ieee80211_tdma_state; 288 289struct ieee80211vap { 290 struct ifmedia iv_media; /* interface media config */ 291 struct ifnet *iv_ifp; /* associated device */ 292 struct bpf_if *iv_rawbpf; /* packet filter structure */ 293 struct sysctl_ctx_list *iv_sysctl; /* dynamic sysctl context */ 294 struct sysctl_oid *iv_oid; /* net.wlan.X sysctl oid */ 295 296 TAILQ_ENTRY(ieee80211vap) iv_next; /* list of vap instances */ 297 struct ieee80211com *iv_ic; /* back ptr to common state */ 298 uint32_t iv_debug; /* debug msg flags */ 299 struct ieee80211_stats iv_stats; /* statistics */ 300 301 uint8_t iv_myaddr[IEEE80211_ADDR_LEN]; 302 uint32_t iv_flags; /* state flags */ 303 uint32_t iv_flags_ext; /* extended state flags */ 304 uint32_t iv_flags_ven; /* vendor state flags */ 305 uint32_t iv_caps; /* capabilities */ 306 uint32_t iv_htcaps; /* HT capabilities */ 307 enum ieee80211_opmode iv_opmode; /* operation mode */ 308 enum ieee80211_state iv_state; /* state machine state */ 309 void (*iv_newstate_cb)(struct ieee80211vap *, 310 enum ieee80211_state, int); 311 struct callout iv_mgtsend; /* mgmt frame response timer */ 312 /* inactivity timer settings */ 313 int iv_inact_init; /* setting for new station */ 314 int iv_inact_auth; /* auth but not assoc setting */ 315 int iv_inact_run; /* authorized setting */ 316 int iv_inact_probe; /* inactive probe time */ 317 318 int iv_des_nssid; /* # desired ssids */ 319 struct ieee80211_scan_ssid iv_des_ssid[1];/* desired ssid table */ 320 uint8_t iv_des_bssid[IEEE80211_ADDR_LEN]; 321 struct ieee80211_channel *iv_des_chan; /* desired channel */ 322 uint16_t iv_des_mode; /* desired mode */ 323 int iv_nicknamelen; /* XXX junk */ 324 uint8_t iv_nickname[IEEE80211_NWID_LEN]; 325 u_int iv_bgscanidle; /* bg scan idle threshold */ 326 u_int iv_bgscanintvl; /* bg scan min interval */ 327 u_int iv_scanvalid; /* scan cache valid threshold */ 328 u_int iv_scanreq_duration; 329 u_int iv_scanreq_mindwell; 330 u_int iv_scanreq_maxdwell; 331 uint16_t iv_scanreq_flags;/* held scan request params */ 332 uint8_t iv_scanreq_nssid; 333 struct ieee80211_scan_ssid iv_scanreq_ssid[IEEE80211_SCAN_MAX_SSID]; 334 /* sta-mode roaming state */ 335 enum ieee80211_roamingmode iv_roaming; /* roaming mode */ 336 struct ieee80211_roamparam iv_roamparms[IEEE80211_MODE_MAX]; 337 338 uint8_t iv_bmissthreshold; 339 uint8_t iv_bmiss_count; /* current beacon miss count */ 340 int iv_bmiss_max; /* max bmiss before scan */ 341 uint16_t iv_swbmiss_count;/* beacons in last period */ 342 uint16_t iv_swbmiss_period;/* s/w bmiss period */ 343 struct callout iv_swbmiss; /* s/w beacon miss timer */ 344 345 int iv_ampdu_rxmax; /* A-MPDU rx limit (bytes) */ 346 int iv_ampdu_density;/* A-MPDU density */ 347 int iv_ampdu_limit; /* A-MPDU tx limit (bytes) */ 348 int iv_amsdu_limit; /* A-MSDU tx limit (bytes) */ 349 u_int iv_ampdu_mintraffic[WME_NUM_AC]; 350 351 uint32_t *iv_aid_bitmap; /* association id map */ 352 uint16_t iv_max_aid; 353 uint16_t iv_sta_assoc; /* stations associated */ 354 uint16_t iv_ps_sta; /* stations in power save */ 355 uint16_t iv_ps_pending; /* ps sta's w/ pending frames */ 356 uint16_t iv_txseq; /* mcast xmit seq# space */ 357 uint16_t iv_tim_len; /* ic_tim_bitmap size (bytes) */ 358 uint8_t *iv_tim_bitmap; /* power-save stations w/ data*/ 359 uint8_t iv_dtim_period; /* DTIM period */ 360 uint8_t iv_dtim_count; /* DTIM count from last bcn */ 361 /* set/unset aid pwrsav state */ 362 int iv_csa_count; /* count for doing CSA */ 363 364 struct ieee80211_node *iv_bss; /* information for this node */ 365 struct ieee80211_txparam iv_txparms[IEEE80211_MODE_MAX]; 366 uint16_t iv_rtsthreshold; 367 uint16_t iv_fragthreshold; 368 int iv_inact_timer; /* inactivity timer wait */ 369 /* application-specified IE's to attach to mgt frames */ 370 struct ieee80211_appie *iv_appie_beacon; 371 struct ieee80211_appie *iv_appie_probereq; 372 struct ieee80211_appie *iv_appie_proberesp; 373 struct ieee80211_appie *iv_appie_assocreq; 374 struct ieee80211_appie *iv_appie_assocresp; 375 struct ieee80211_appie *iv_appie_wpa; 376 uint8_t *iv_wpa_ie; 377 uint8_t *iv_rsn_ie; 378 uint16_t iv_max_keyix; /* max h/w key index */ 379 ieee80211_keyix iv_def_txkey; /* default/group tx key index */ 380 struct ieee80211_key iv_nw_keys[IEEE80211_WEP_NKID]; 381 int (*iv_key_alloc)(struct ieee80211vap *, 382 struct ieee80211_key *, 383 ieee80211_keyix *, ieee80211_keyix *); 384 int (*iv_key_delete)(struct ieee80211vap *, 385 const struct ieee80211_key *); 386 int (*iv_key_set)(struct ieee80211vap *, 387 const struct ieee80211_key *, 388 const uint8_t mac[IEEE80211_ADDR_LEN]); 389 void (*iv_key_update_begin)(struct ieee80211vap *); 390 void (*iv_key_update_end)(struct ieee80211vap *); 391 392 const struct ieee80211_authenticator *iv_auth; /* authenticator glue */ 393 void *iv_ec; /* private auth state */ 394 395 const struct ieee80211_aclator *iv_acl; /* acl glue */ 396 void *iv_as; /* private aclator state */ 397 398 struct ieee80211_tdma_state *iv_tdma; /* tdma state */ 399 400 /* operate-mode detach hook */ 401 void (*iv_opdetach)(struct ieee80211vap *); 402 /* receive processing */ 403 int (*iv_input)(struct ieee80211_node *, 404 struct mbuf *, int rssi, int noise, 405 uint32_t rstamp); 406 void (*iv_recv_mgmt)(struct ieee80211_node *, 407 struct mbuf *, int, int, int, uint32_t); 408 void (*iv_deliver_data)(struct ieee80211vap *, 409 struct ieee80211_node *, struct mbuf *); 410#if 0 411 /* send processing */ 412 int (*iv_send_mgmt)(struct ieee80211_node *, 413 int, int); 414#endif 415 /* beacon miss processing */ 416 void (*iv_bmiss)(struct ieee80211vap *); 417 /* reset device state after 802.11 parameter/state change */ 418 int (*iv_reset)(struct ieee80211vap *, u_long); 419 /* [schedule] beacon frame update */ 420 void (*iv_update_beacon)(struct ieee80211vap *, int); 421 /* power save handling */ 422 void (*iv_update_ps)(struct ieee80211vap *, int); 423 int (*iv_set_tim)(struct ieee80211_node *, int); 424 /* state machine processing */ 425 int (*iv_newstate)(struct ieee80211vap *, 426 enum ieee80211_state, int); 427 /* 802.3 output method for raw frame xmit */ 428 int (*iv_output)(struct ifnet *, struct mbuf *, 429 struct sockaddr *, struct rtentry *); 430}; 431MALLOC_DECLARE(M_80211_VAP); 432 433#define IEEE80211_ADDR_EQ(a1,a2) (memcmp(a1,a2,IEEE80211_ADDR_LEN) == 0) 434#define IEEE80211_ADDR_COPY(dst,src) memcpy(dst,src,IEEE80211_ADDR_LEN) 435 436/* ic_flags/iv_flags */ 437#define IEEE80211_F_TURBOP 0x00000001 /* CONF: ATH Turbo enabled*/ 438#define IEEE80211_F_COMP 0x00000002 /* CONF: ATH comp enabled */ 439#define IEEE80211_F_FF 0x00000004 /* CONF: ATH FF enabled */ 440#define IEEE80211_F_BURST 0x00000008 /* CONF: bursting enabled */ 441/* NB: this is intentionally setup to be IEEE80211_CAPINFO_PRIVACY */ 442#define IEEE80211_F_PRIVACY 0x00000010 /* CONF: privacy enabled */ 443#define IEEE80211_F_PUREG 0x00000020 /* CONF: 11g w/o 11b sta's */ 444#define IEEE80211_F_SCAN 0x00000080 /* STATUS: scanning */ 445#define IEEE80211_F_ASCAN 0x00000100 /* STATUS: active scan */ 446#define IEEE80211_F_SIBSS 0x00000200 /* STATUS: start IBSS */ 447/* NB: this is intentionally setup to be IEEE80211_CAPINFO_SHORT_SLOTTIME */ 448#define IEEE80211_F_SHSLOT 0x00000400 /* STATUS: use short slot time*/ 449#define IEEE80211_F_PMGTON 0x00000800 /* CONF: Power mgmt enable */ 450#define IEEE80211_F_DESBSSID 0x00001000 /* CONF: des_bssid is set */ 451#define IEEE80211_F_WME 0x00002000 /* CONF: enable WME use */ 452#define IEEE80211_F_BGSCAN 0x00004000 /* CONF: bg scan enabled (???)*/ 453#define IEEE80211_F_SWRETRY 0x00008000 /* CONF: sw tx retry enabled */ 454#define IEEE80211_F_TXPOW_FIXED 0x00010000 /* TX Power: fixed rate */ 455#define IEEE80211_F_IBSSON 0x00020000 /* CONF: IBSS creation enable */ 456#define IEEE80211_F_SHPREAMBLE 0x00040000 /* STATUS: use short preamble */ 457#define IEEE80211_F_DATAPAD 0x00080000 /* CONF: do alignment pad */ 458#define IEEE80211_F_USEPROT 0x00100000 /* STATUS: protection enabled */ 459#define IEEE80211_F_USEBARKER 0x00200000 /* STATUS: use barker preamble*/ 460#define IEEE80211_F_CSAPENDING 0x00400000 /* STATUS: chan switch pending*/ 461#define IEEE80211_F_WPA1 0x00800000 /* CONF: WPA enabled */ 462#define IEEE80211_F_WPA2 0x01000000 /* CONF: WPA2 enabled */ 463#define IEEE80211_F_WPA 0x01800000 /* CONF: WPA/WPA2 enabled */ 464#define IEEE80211_F_DROPUNENC 0x02000000 /* CONF: drop unencrypted */ 465#define IEEE80211_F_COUNTERM 0x04000000 /* CONF: TKIP countermeasures */ 466#define IEEE80211_F_HIDESSID 0x08000000 /* CONF: hide SSID in beacon */ 467#define IEEE80211_F_NOBRIDGE 0x10000000 /* CONF: dis. internal bridge */ 468#define IEEE80211_F_PCF 0x20000000 /* CONF: PCF enabled */ 469#define IEEE80211_F_DOTH 0x40000000 /* CONF: 11h enabled */ 470#define IEEE80211_F_DWDS 0x80000000 /* CONF: Dynamic WDS enabled */ 471 472/* Atheros protocol-specific flags */ 473#define IEEE80211_F_ATHEROS \ 474 (IEEE80211_F_FF | IEEE80211_F_COMP | IEEE80211_F_TURBOP) 475/* Check if an Atheros capability was negotiated for use */ 476#define IEEE80211_ATH_CAP(vap, ni, bit) \ 477 ((vap)->iv_flags & (ni)->ni_ath_flags & (bit)) 478 479/* ic_flags_ext/iv_flags_ext */ 480#define IEEE80211_FEXT_NONHT_PR 0x00000001 /* STATUS: non-HT sta present */ 481#define IEEE80211_FEXT_INACT 0x00000002 /* CONF: sta inact handling */ 482#define IEEE80211_FEXT_SCANWAIT 0x00000004 /* STATUS: awaiting scan */ 483/* 0x00000006 reserved */ 484#define IEEE80211_FEXT_BGSCAN 0x00000008 /* STATUS: complete bgscan */ 485#define IEEE80211_FEXT_WPS 0x00000010 /* CONF: WPS enabled */ 486#define IEEE80211_FEXT_TSN 0x00000020 /* CONF: TSN enabled */ 487#define IEEE80211_FEXT_SCANREQ 0x00000040 /* STATUS: scan req params */ 488#define IEEE80211_FEXT_RESUME 0x00000080 /* STATUS: start on resume */ 489#define IEEE80211_FEXT_NONERP_PR 0x00000200 /* STATUS: non-ERP sta present*/ 490#define IEEE80211_FEXT_SWBMISS 0x00000400 /* CONF: do bmiss in s/w */ 491#define IEEE80211_FEXT_DFS 0x00000800 /* CONF: DFS enabled */ 492#define IEEE80211_FEXT_DOTD 0x00001000 /* CONF: 11d enabled */ 493/* NB: immutable: should be set only when creating a vap */ 494#define IEEE80211_FEXT_WDSLEGACY 0x00010000 /* CONF: legacy WDS operation */ 495#define IEEE80211_FEXT_PROBECHAN 0x00020000 /* CONF: probe passive channel*/ 496#define IEEE80211_FEXT_HT 0x00080000 /* CONF: HT supported */ 497#define IEEE80211_FEXT_AMPDU_TX 0x00100000 /* CONF: A-MPDU tx supported */ 498#define IEEE80211_FEXT_AMPDU_RX 0x00200000 /* CONF: A-MPDU tx supported */ 499#define IEEE80211_FEXT_AMSDU_TX 0x00400000 /* CONF: A-MSDU tx supported */ 500#define IEEE80211_FEXT_AMSDU_RX 0x00800000 /* CONF: A-MSDU tx supported */ 501#define IEEE80211_FEXT_USEHT40 0x01000000 /* CONF: 20/40 use enabled */ 502#define IEEE80211_FEXT_PUREN 0x02000000 /* CONF: 11n w/o legacy sta's */ 503#define IEEE80211_FEXT_SHORTGI20 0x04000000 /* CONF: short GI in HT20 */ 504#define IEEE80211_FEXT_SHORTGI40 0x08000000 /* CONF: short GI in HT40 */ 505#define IEEE80211_FEXT_HTCOMPAT 0x10000000 /* CONF: HT vendor OUI's */ 506#define IEEE80211_FEXT_RIFS 0x20000000 /* CONF: RIFS enabled */ 507 508/* ic_caps/iv_caps: device driver capabilities */ 509/* 0x2f available */ 510#define IEEE80211_C_STA 0x00000001 /* CAPABILITY: STA available */ 511#define IEEE80211_C_FF 0x00000040 /* CAPABILITY: ATH FF avail */ 512#define IEEE80211_C_TURBOP 0x00000080 /* CAPABILITY: ATH Turbo avail*/ 513#define IEEE80211_C_IBSS 0x00000100 /* CAPABILITY: IBSS available */ 514#define IEEE80211_C_PMGT 0x00000200 /* CAPABILITY: Power mgmt */ 515#define IEEE80211_C_HOSTAP 0x00000400 /* CAPABILITY: HOSTAP avail */ 516#define IEEE80211_C_AHDEMO 0x00000800 /* CAPABILITY: Old Adhoc Demo */ 517#define IEEE80211_C_SWRETRY 0x00001000 /* CAPABILITY: sw tx retry */ 518#define IEEE80211_C_TXPMGT 0x00002000 /* CAPABILITY: tx power mgmt */ 519#define IEEE80211_C_SHSLOT 0x00004000 /* CAPABILITY: short slottime */ 520#define IEEE80211_C_SHPREAMBLE 0x00008000 /* CAPABILITY: short preamble */ 521#define IEEE80211_C_MONITOR 0x00010000 /* CAPABILITY: monitor mode */ 522#define IEEE80211_C_DFS 0x00020000 /* CAPABILITY: DFS/radar avail*/ 523/* 0x7c0000 available */ 524#define IEEE80211_C_WPA1 0x00800000 /* CAPABILITY: WPA1 avail */ 525#define IEEE80211_C_WPA2 0x01000000 /* CAPABILITY: WPA2 avail */ 526#define IEEE80211_C_WPA 0x01800000 /* CAPABILITY: WPA1+WPA2 avail*/ 527#define IEEE80211_C_BURST 0x02000000 /* CAPABILITY: frame bursting */ 528#define IEEE80211_C_WME 0x04000000 /* CAPABILITY: WME avail */ 529#define IEEE80211_C_WDS 0x08000000 /* CAPABILITY: 4-addr support */ 530/* 0x10000000 reserved */ 531#define IEEE80211_C_BGSCAN 0x20000000 /* CAPABILITY: bg scanning */ 532#define IEEE80211_C_TXFRAG 0x40000000 /* CAPABILITY: tx fragments */ 533#define IEEE80211_C_TDMA 0x80000000 /* CAPABILITY: TDMA avail */ 534/* XXX protection/barker? */ 535 536#define IEEE80211_C_OPMODE \ 537 (IEEE80211_C_STA | IEEE80211_C_IBSS | IEEE80211_C_HOSTAP | \ 538 IEEE80211_C_AHDEMO | IEEE80211_C_MONITOR | IEEE80211_C_WDS | \ 539 IEEE80211_C_TDMA) 540 541/* 542 * ic_htcaps/iv_htcaps: HT-specific device/driver capabilities 543 * 544 * NB: the low 16-bits are the 802.11 definitions, the upper 545 * 16-bits are used to define s/w/driver capabilities. 546 */ 547#define IEEE80211_HTC_AMPDU 0x00010000 /* CAPABILITY: A-MPDU tx */ 548#define IEEE80211_HTC_AMSDU 0x00020000 /* CAPABILITY: A-MSDU tx */ 549/* NB: HT40 is implied by IEEE80211_HTCAP_CHWIDTH40 */ 550#define IEEE80211_HTC_HT 0x00040000 /* CAPABILITY: HT operation */ 551#define IEEE80211_HTC_SMPS 0x00080000 /* CAPABILITY: MIMO power save*/ 552#define IEEE80211_HTC_RIFS 0x00100000 /* CAPABILITY: RIFS support */ 553 554void ieee80211_ifattach(struct ieee80211com *); 555void ieee80211_ifdetach(struct ieee80211com *); 556int ieee80211_vap_setup(struct ieee80211com *, struct ieee80211vap *, 557 const char name[IFNAMSIZ], int unit, int opmode, int flags, 558 const uint8_t bssid[IEEE80211_ADDR_LEN], 559 const uint8_t macaddr[IEEE80211_ADDR_LEN]); 560int ieee80211_vap_attach(struct ieee80211vap *, 561 ifm_change_cb_t, ifm_stat_cb_t); 562void ieee80211_vap_detach(struct ieee80211vap *); 563const struct ieee80211_rateset *ieee80211_get_suprates(struct ieee80211com *ic, 564 const struct ieee80211_channel *); 565void ieee80211_announce(struct ieee80211com *); 566void ieee80211_announce_channels(struct ieee80211com *); 567void ieee80211_drain(struct ieee80211com *); 568void ieee80211_media_init(struct ieee80211com *); 569struct ieee80211com *ieee80211_find_vap(const uint8_t mac[IEEE80211_ADDR_LEN]); 570int ieee80211_media_change(struct ifnet *); 571void ieee80211_media_status(struct ifnet *, struct ifmediareq *); 572int ieee80211_ioctl(struct ifnet *, u_long, caddr_t); 573int ieee80211_rate2media(struct ieee80211com *, int, 574 enum ieee80211_phymode); 575int ieee80211_media2rate(int); 576int ieee80211_mhz2ieee(u_int, u_int); 577int ieee80211_chan2ieee(struct ieee80211com *, 578 const struct ieee80211_channel *); 579u_int ieee80211_ieee2mhz(u_int, u_int); 580struct ieee80211_channel *ieee80211_find_channel(struct ieee80211com *, 581 int freq, int flags); 582struct ieee80211_channel *ieee80211_find_channel_byieee(struct ieee80211com *, 583 int ieee, int flags); 584int ieee80211_setmode(struct ieee80211com *, enum ieee80211_phymode); 585enum ieee80211_phymode ieee80211_chan2mode(const struct ieee80211_channel *); 586 587/* 588 * Key update synchronization methods. XXX should not be visible. 589 */ 590static __inline void 591ieee80211_key_update_begin(struct ieee80211vap *vap) 592{ 593 vap->iv_key_update_begin(vap); 594} 595static __inline void 596ieee80211_key_update_end(struct ieee80211vap *vap) 597{ 598 vap->iv_key_update_end(vap); 599} 600 601/* 602 * XXX these need to be here for IEEE80211_F_DATAPAD 603 */ 604 605/* 606 * Return the space occupied by the 802.11 header and any 607 * padding required by the driver. This works for a 608 * management or data frame. 609 */ 610static __inline int 611ieee80211_hdrspace(struct ieee80211com *ic, const void *data) 612{ 613 int size = ieee80211_hdrsize(data); 614 if (ic->ic_flags & IEEE80211_F_DATAPAD) 615 size = roundup(size, sizeof(uint32_t)); 616 return size; 617} 618 619/* 620 * Like ieee80211_hdrspace, but handles any type of frame. 621 */ 622static __inline int 623ieee80211_anyhdrspace(struct ieee80211com *ic, const void *data) 624{ 625 int size = ieee80211_anyhdrsize(data); 626 if (ic->ic_flags & IEEE80211_F_DATAPAD) 627 size = roundup(size, sizeof(uint32_t)); 628 return size; 629} 630 631/* 632 * Notify a vap that beacon state has been updated. 633 */ 634static __inline void 635ieee80211_beacon_notify(struct ieee80211vap *vap, int what) 636{ 637 if (vap->iv_state == IEEE80211_S_RUN) 638 vap->iv_update_beacon(vap, what); 639} 640 641/* 642 * Calculate HT channel promotion flags for a channel. 643 * XXX belongs in ieee80211_ht.h but needs IEEE80211_FEXT_* 644 */ 645static __inline int 646ieee80211_htchanflags(const struct ieee80211_channel *c) 647{ 648 return IEEE80211_IS_CHAN_HT40(c) ? 649 IEEE80211_FEXT_HT | IEEE80211_FEXT_USEHT40 : 650 IEEE80211_IS_CHAN_HT(c) ? IEEE80211_FEXT_HT : 0; 651} 652 653/* 654 * Debugging facilities compiled in when IEEE80211_DEBUG is defined. 655 * 656 * The intent is that any problem in the net80211 layer can be 657 * diagnosed by inspecting the statistics (dumped by the wlanstats 658 * program) and/or the msgs generated by net80211. Messages are 659 * broken into functional classes and can be controlled with the 660 * wlandebug program. Certain of these msg groups are for facilities 661 * that are no longer part of net80211 (e.g. IEEE80211_MSG_DOT1X). 662 */ 663#define IEEE80211_MSG_11N 0x80000000 /* 11n mode debug */ 664#define IEEE80211_MSG_DEBUG 0x40000000 /* IFF_DEBUG equivalent */ 665#define IEEE80211_MSG_DUMPPKTS 0x20000000 /* IFF_LINK2 equivalant */ 666#define IEEE80211_MSG_CRYPTO 0x10000000 /* crypto work */ 667#define IEEE80211_MSG_INPUT 0x08000000 /* input handling */ 668#define IEEE80211_MSG_XRATE 0x04000000 /* rate set handling */ 669#define IEEE80211_MSG_ELEMID 0x02000000 /* element id parsing */ 670#define IEEE80211_MSG_NODE 0x01000000 /* node handling */ 671#define IEEE80211_MSG_ASSOC 0x00800000 /* association handling */ 672#define IEEE80211_MSG_AUTH 0x00400000 /* authentication handling */ 673#define IEEE80211_MSG_SCAN 0x00200000 /* scanning */ 674#define IEEE80211_MSG_OUTPUT 0x00100000 /* output handling */ 675#define IEEE80211_MSG_STATE 0x00080000 /* state machine */ 676#define IEEE80211_MSG_POWER 0x00040000 /* power save handling */ 677#define IEEE80211_MSG_DOT1X 0x00020000 /* 802.1x authenticator */ 678#define IEEE80211_MSG_DOT1XSM 0x00010000 /* 802.1x state machine */ 679#define IEEE80211_MSG_RADIUS 0x00008000 /* 802.1x radius client */ 680#define IEEE80211_MSG_RADDUMP 0x00004000 /* dump 802.1x radius packets */ 681#define IEEE80211_MSG_RADKEYS 0x00002000 /* dump 802.1x keys */ 682#define IEEE80211_MSG_WPA 0x00001000 /* WPA/RSN protocol */ 683#define IEEE80211_MSG_ACL 0x00000800 /* ACL handling */ 684#define IEEE80211_MSG_WME 0x00000400 /* WME protocol */ 685#define IEEE80211_MSG_SUPERG 0x00000200 /* Atheros SuperG protocol */ 686#define IEEE80211_MSG_DOTH 0x00000100 /* 802.11h support */ 687#define IEEE80211_MSG_INACT 0x00000080 /* inactivity handling */ 688#define IEEE80211_MSG_ROAM 0x00000040 /* sta-mode roaming */ 689#define IEEE80211_MSG_RATECTL 0x00000020 /* tx rate control */ 690#define IEEE80211_MSG_ACTION 0x00000010 /* action frame handling */ 691#define IEEE80211_MSG_WDS 0x00000008 /* WDS handling */ 692#define IEEE80211_MSG_IOCTL 0x00000004 /* ioctl handling */ 693#define IEEE80211_MSG_TDMA 0x00000002 /* TDMA handling */ 694 695#define IEEE80211_MSG_ANY 0xffffffff /* anything */ 696 697#ifdef IEEE80211_DEBUG 698#define ieee80211_msg(_vap, _m) ((_vap)->iv_debug & (_m)) 699#define IEEE80211_DPRINTF(_vap, _m, _fmt, ...) do { \ 700 if (ieee80211_msg(_vap, _m)) \ 701 ieee80211_note(_vap, _fmt, __VA_ARGS__); \ 702} while (0) 703#define IEEE80211_NOTE(_vap, _m, _ni, _fmt, ...) do { \ 704 if (ieee80211_msg(_vap, _m)) \ 705 ieee80211_note_mac(_vap, (_ni)->ni_macaddr, _fmt, __VA_ARGS__);\ 706} while (0) 707#define IEEE80211_NOTE_MAC(_vap, _m, _mac, _fmt, ...) do { \ 708 if (ieee80211_msg(_vap, _m)) \ 709 ieee80211_note_mac(_vap, _mac, _fmt, __VA_ARGS__); \ 710} while (0) 711#define IEEE80211_NOTE_FRAME(_vap, _m, _wh, _fmt, ...) do { \ 712 if (ieee80211_msg(_vap, _m)) \ 713 ieee80211_note_frame(_vap, _wh, _fmt, __VA_ARGS__); \ 714} while (0) 715void ieee80211_note(struct ieee80211vap *, const char *, ...); 716void ieee80211_note_mac(struct ieee80211vap *, 717 const uint8_t mac[IEEE80211_ADDR_LEN], const char *, ...); 718void ieee80211_note_frame(struct ieee80211vap *, 719 const struct ieee80211_frame *, const char *, ...); 720#define ieee80211_msg_debug(_vap) \ 721 ((_vap)->iv_debug & IEEE80211_MSG_DEBUG) 722#define ieee80211_msg_dumppkts(_vap) \ 723 ((_vap)->iv_debug & IEEE80211_MSG_DUMPPKTS) 724#define ieee80211_msg_input(_vap) \ 725 ((_vap)->iv_debug & IEEE80211_MSG_INPUT) 726#define ieee80211_msg_radius(_vap) \ 727 ((_vap)->iv_debug & IEEE80211_MSG_RADIUS) 728#define ieee80211_msg_dumpradius(_vap) \ 729 ((_vap)->iv_debug & IEEE80211_MSG_RADDUMP) 730#define ieee80211_msg_dumpradkeys(_vap) \ 731 ((_vap)->iv_debug & IEEE80211_MSG_RADKEYS) 732#define ieee80211_msg_scan(_vap) \ 733 ((_vap)->iv_debug & IEEE80211_MSG_SCAN) 734#define ieee80211_msg_assoc(_vap) \ 735 ((_vap)->iv_debug & IEEE80211_MSG_ASSOC) 736 737/* 738 * Emit a debug message about discarding a frame or information 739 * element. One format is for extracting the mac address from 740 * the frame header; the other is for when a header is not 741 * available or otherwise appropriate. 742 */ 743#define IEEE80211_DISCARD(_vap, _m, _wh, _type, _fmt, ...) do { \ 744 if ((_vap)->iv_debug & (_m)) \ 745 ieee80211_discard_frame(_vap, _wh, _type, _fmt, __VA_ARGS__);\ 746} while (0) 747#define IEEE80211_DISCARD_IE(_vap, _m, _wh, _type, _fmt, ...) do { \ 748 if ((_vap)->iv_debug & (_m)) \ 749 ieee80211_discard_ie(_vap, _wh, _type, _fmt, __VA_ARGS__);\ 750} while (0) 751#define IEEE80211_DISCARD_MAC(_vap, _m, _mac, _type, _fmt, ...) do { \ 752 if ((_vap)->iv_debug & (_m)) \ 753 ieee80211_discard_mac(_vap, _mac, _type, _fmt, __VA_ARGS__);\ 754} while (0) 755 756void ieee80211_discard_frame(struct ieee80211vap *, 757 const struct ieee80211_frame *, const char *type, const char *fmt, ...); 758void ieee80211_discard_ie(struct ieee80211vap *, 759 const struct ieee80211_frame *, const char *type, const char *fmt, ...); 760void ieee80211_discard_mac(struct ieee80211vap *, 761 const uint8_t mac[IEEE80211_ADDR_LEN], const char *type, 762 const char *fmt, ...); 763#else 764#define IEEE80211_DPRINTF(_vap, _m, _fmt, ...) 765#define IEEE80211_NOTE(_vap, _m, _ni, _fmt, ...) 766#define IEEE80211_NOTE_FRAME(_vap, _m, _wh, _fmt, ...) 767#define IEEE80211_NOTE_MAC(_vap, _m, _mac, _fmt, ...) 768#define ieee80211_msg_dumppkts(_vap) 0 769#define ieee80211_msg(_vap, _m) 0 770 771#define IEEE80211_DISCARD(_vap, _m, _wh, _type, _fmt, ...) 772#define IEEE80211_DISCARD_IE(_vap, _m, _wh, _type, _fmt, ...) 773#define IEEE80211_DISCARD_MAC(_vap, _m, _mac, _type, _fmt, ...) 774#endif 775 776#endif /* _NET80211_IEEE80211_VAR_H_ */ 777