ieee80211_var.h revision 179391
1/*- 2 * Copyright (c) 2001 Atsushi Onoe 3 * Copyright (c) 2002-2008 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 179391 2008-05-28 23:19:20Z 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_node.h> 51#include <net80211/ieee80211_power.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 ieee80211com { 109 struct ifnet *ic_ifp; /* associated device */ 110 ieee80211_com_lock_t ic_comlock; /* state update lock */ 111 TAILQ_HEAD(, ieee80211vap) ic_vaps; /* list of vap instances */ 112 struct ieee80211_stats ic_stats; /* statistics */ 113 int ic_headroom; /* driver tx headroom needs */ 114 enum ieee80211_phytype ic_phytype; /* XXX wrong for multi-mode */ 115 enum ieee80211_opmode ic_opmode; /* operation mode */ 116 struct ifmedia ic_media; /* interface media config */ 117 uint8_t ic_myaddr[IEEE80211_ADDR_LEN]; 118 struct callout ic_inact; /* inactivity processing */ 119 struct task ic_parent_task; /* deferred parent processing */ 120 121 uint32_t ic_flags; /* state flags */ 122 uint32_t ic_flags_ext; /* extended state flags */ 123 uint32_t ic_flags_ven; /* vendor state flags */ 124 uint32_t ic_caps; /* capabilities */ 125 uint32_t ic_htcaps; /* HT capabilities */ 126 uint32_t ic_cryptocaps; /* crypto capabilities */ 127 uint8_t ic_modecaps[2]; /* set of mode capabilities */ 128 uint8_t ic_promisc; /* vap's needing promisc mode */ 129 uint8_t ic_allmulti; /* vap's needing all multicast*/ 130 uint8_t ic_nrunning; /* vap's marked running */ 131 uint8_t ic_curmode; /* current mode */ 132 uint16_t ic_bintval; /* beacon interval */ 133 uint16_t ic_lintval; /* listen interval */ 134 uint16_t ic_holdover; /* PM hold over duration */ 135 uint16_t ic_txpowlimit; /* global tx power limit */ 136 struct ieee80211_rateset ic_sup_rates[IEEE80211_MODE_MAX]; 137 138 /* 139 * Channel state: 140 * 141 * ic_channels is the set of available channels for the device; 142 * it is setup by the driver 143 * ic_nchans is the number of valid entries in ic_channels 144 * ic_chan_avail is a bit vector of these channels used to check 145 * whether a channel is available w/o searching the channel table. 146 * ic_chan_active is a (potentially) constrained subset of 147 * ic_chan_avail that reflects any mode setting or user-specified 148 * limit on the set of channels to use/scan 149 * ic_curchan is the current channel the device is set to; it may 150 * be different from ic_bsschan when we are off-channel scanning 151 * or otherwise doing background work 152 * ic_bsschan is the channel selected for operation; it may 153 * be undefined (IEEE80211_CHAN_ANYC) 154 * ic_prevchan is a cached ``previous channel'' used to optimize 155 * lookups when switching back+forth between two channels 156 * (e.g. for dynamic turbo) 157 */ 158 int ic_nchans; /* # entries in ic_channels */ 159 struct ieee80211_channel ic_channels[IEEE80211_CHAN_MAX+1]; 160 uint8_t ic_chan_avail[IEEE80211_CHAN_BYTES]; 161 uint8_t ic_chan_active[IEEE80211_CHAN_BYTES]; 162 uint8_t ic_chan_scan[IEEE80211_CHAN_BYTES]; 163 struct ieee80211_channel *ic_curchan; /* current channel */ 164 struct ieee80211_channel *ic_bsschan; /* bss channel */ 165 struct ieee80211_channel *ic_prevchan; /* previous channel */ 166 struct ieee80211_regdomain ic_regdomain;/* regulatory data */ 167 struct ieee80211_appie *ic_countryie; /* calculated country ie */ 168 struct ieee80211_channel *ic_countryie_chan; 169 170 /* 802.11h/DFS state */ 171 struct ieee80211_channel *ic_csa_newchan;/* channel for doing CSA */ 172 int ic_csa_count; /* count for doing CSA */ 173 struct ieee80211_dfs_state ic_dfs; /* DFS state */ 174 175 struct ieee80211_scan_state *ic_scan; /* scan state */ 176 int ic_lastdata; /* time of last data frame */ 177 int ic_lastscan; /* time last scan completed */ 178 179 /* NB: this is the union of all vap stations/neighbors */ 180 int ic_max_keyix; /* max h/w key index */ 181 struct ieee80211_node_table ic_sta; /* stations/neighbors */ 182 183 /* XXX multi-bss: split out common/vap parts */ 184 struct ieee80211_wme_state ic_wme; /* WME/WMM state */ 185 186 /* XXX multi-bss: can per-vap be done/make sense? */ 187 enum ieee80211_protmode ic_protmode; /* 802.11g protection mode */ 188 uint16_t ic_nonerpsta; /* # non-ERP stations */ 189 uint16_t ic_longslotsta; /* # long slot time stations */ 190 uint16_t ic_sta_assoc; /* stations associated */ 191 uint16_t ic_ht_sta_assoc;/* HT stations associated */ 192 uint16_t ic_ht40_sta_assoc;/* HT40 stations associated */ 193 uint8_t ic_curhtprotmode;/* HTINFO bss state */ 194 enum ieee80211_protmode ic_htprotmode; /* HT protection mode */ 195 int ic_lastnonerp; /* last time non-ERP sta noted*/ 196 int ic_lastnonht; /* last time non-HT sta noted */ 197 198 /* virtual ap create/delete */ 199 struct ieee80211vap* (*ic_vap_create)(struct ieee80211com *, 200 const char name[IFNAMSIZ], int unit, 201 int opmode, int flags, 202 const uint8_t bssid[IEEE80211_ADDR_LEN], 203 const uint8_t macaddr[IEEE80211_ADDR_LEN]); 204 void (*ic_vap_delete)(struct ieee80211vap *); 205 /* operating mode attachment */ 206 ieee80211vap_attach ic_vattach[IEEE80211_OPMODE_MAX]; 207 /* return hardware/radio capabilities */ 208 void (*ic_getradiocaps)(struct ieee80211com *, 209 int *, struct ieee80211_channel []); 210 /* check and/or prepare regdomain state change */ 211 int (*ic_setregdomain)(struct ieee80211com *, 212 struct ieee80211_regdomain *, 213 int, struct ieee80211_channel []); 214 /* send/recv 802.11 management frame */ 215 int (*ic_send_mgmt)(struct ieee80211_node *, 216 int, int); 217 /* send raw 802.11 frame */ 218 int (*ic_raw_xmit)(struct ieee80211_node *, 219 struct mbuf *, 220 const struct ieee80211_bpf_params *); 221 /* update device state for 802.11 slot time change */ 222 void (*ic_updateslot)(struct ifnet *); 223 /* handle multicast state changes */ 224 void (*ic_update_mcast)(struct ifnet *); 225 /* handle promiscuous mode changes */ 226 void (*ic_update_promisc)(struct ifnet *); 227 /* new station association callback/notification */ 228 void (*ic_newassoc)(struct ieee80211_node *, int); 229 /* node state management */ 230 struct ieee80211_node* (*ic_node_alloc)(struct ieee80211_node_table *); 231 void (*ic_node_free)(struct ieee80211_node *); 232 void (*ic_node_cleanup)(struct ieee80211_node *); 233 void (*ic_node_age)(struct ieee80211_node *); 234 void (*ic_node_drain)(struct ieee80211_node *); 235 int8_t (*ic_node_getrssi)(const struct ieee80211_node*); 236 void (*ic_node_getsignal)(const struct ieee80211_node*, 237 int8_t *, int8_t *); 238 void (*ic_node_getmimoinfo)( 239 const struct ieee80211_node*, 240 struct ieee80211_mimo_info *); 241 /* scanning support */ 242 void (*ic_scan_start)(struct ieee80211com *); 243 void (*ic_scan_end)(struct ieee80211com *); 244 void (*ic_set_channel)(struct ieee80211com *); 245 void (*ic_scan_curchan)(struct ieee80211_scan_state *, 246 unsigned long); 247 void (*ic_scan_mindwell)(struct ieee80211_scan_state *); 248 249 /* 250 * 802.11n ADDBA support. A simple/generic implementation 251 * of A-MPDU tx aggregation is provided; the driver may 252 * override these methods to provide their own support. 253 * A-MPDU rx re-ordering happens automatically if the 254 * driver passes out-of-order frames to ieee80211_input 255 * from an assocated HT station. 256 */ 257 void (*ic_recv_action)(struct ieee80211_node *, 258 const uint8_t *frm, const uint8_t *efrm); 259 int (*ic_send_action)(struct ieee80211_node *, 260 int category, int action, 261 uint16_t args[4]); 262 /* check if A-MPDU should be enabled this station+ac */ 263 int (*ic_ampdu_enable)(struct ieee80211_node *, 264 struct ieee80211_tx_ampdu *); 265 /* start/stop doing A-MPDU tx aggregation for a station */ 266 int (*ic_addba_request)(struct ieee80211_node *, 267 struct ieee80211_tx_ampdu *, 268 int dialogtoken, int baparamset, 269 int batimeout); 270 int (*ic_addba_response)(struct ieee80211_node *, 271 struct ieee80211_tx_ampdu *, 272 int status, int baparamset, int batimeout); 273 void (*ic_addba_stop)(struct ieee80211_node *, 274 struct ieee80211_tx_ampdu *); 275}; 276 277struct ieee80211_aclator; 278 279struct ieee80211vap { 280 struct ifmedia iv_media; /* interface media config */ 281 struct ifnet *iv_ifp; /* associated device */ 282 struct bpf_if *iv_rawbpf; /* packet filter structure */ 283 struct sysctl_ctx_list *iv_sysctl; /* dynamic sysctl context */ 284 struct sysctl_oid *iv_oid; /* net.wlan.X sysctl oid */ 285 286 TAILQ_ENTRY(ieee80211vap) iv_next; /* list of vap instances */ 287 struct ieee80211com *iv_ic; /* back ptr to common state */ 288 uint32_t iv_debug; /* debug msg flags */ 289 struct ieee80211_stats iv_stats; /* statistics */ 290 291 uint8_t iv_myaddr[IEEE80211_ADDR_LEN]; 292 uint32_t iv_flags; /* state flags */ 293 uint32_t iv_flags_ext; /* extended state flags */ 294 uint32_t iv_flags_ven; /* vendor state flags */ 295 uint32_t iv_caps; /* capabilities */ 296 uint32_t iv_htcaps; /* HT capabilities */ 297 enum ieee80211_opmode iv_opmode; /* operation mode */ 298 enum ieee80211_state iv_state; /* state machine state */ 299 void (*iv_newstate_cb)(struct ieee80211vap *, 300 enum ieee80211_state, int); 301 struct callout iv_mgtsend; /* mgmt frame response timer */ 302 /* inactivity timer settings */ 303 int iv_inact_init; /* setting for new station */ 304 int iv_inact_auth; /* auth but not assoc setting */ 305 int iv_inact_run; /* authorized setting */ 306 int iv_inact_probe; /* inactive probe time */ 307 308 int iv_des_nssid; /* # desired ssids */ 309 struct ieee80211_scan_ssid iv_des_ssid[1];/* desired ssid table */ 310 uint8_t iv_des_bssid[IEEE80211_ADDR_LEN]; 311 struct ieee80211_channel *iv_des_chan; /* desired channel */ 312 uint16_t iv_des_mode; /* desired mode */ 313 int iv_nicknamelen; /* XXX junk */ 314 uint8_t iv_nickname[IEEE80211_NWID_LEN]; 315 u_int iv_bgscanidle; /* bg scan idle threshold */ 316 u_int iv_bgscanintvl; /* bg scan min interval */ 317 u_int iv_scanvalid; /* scan cache valid threshold */ 318 u_int iv_scanreq_duration; 319 u_int iv_scanreq_mindwell; 320 u_int iv_scanreq_maxdwell; 321 uint16_t iv_scanreq_flags;/* held scan request params */ 322 uint8_t iv_scanreq_nssid; 323 struct ieee80211_scan_ssid iv_scanreq_ssid[IEEE80211_SCAN_MAX_SSID]; 324 /* sta-mode roaming state */ 325 enum ieee80211_roamingmode iv_roaming; /* roaming mode */ 326 struct ieee80211_roamparam iv_roamparms[IEEE80211_MODE_MAX]; 327 328 uint8_t iv_bmissthreshold; 329 uint8_t iv_bmiss_count; /* current beacon miss count */ 330 int iv_bmiss_max; /* max bmiss before scan */ 331 uint16_t iv_swbmiss_count;/* beacons in last period */ 332 uint16_t iv_swbmiss_period;/* s/w bmiss period */ 333 struct callout iv_swbmiss; /* s/w beacon miss timer */ 334 335 int iv_ampdu_rxmax; /* A-MPDU rx limit (bytes) */ 336 int iv_ampdu_density;/* A-MPDU density */ 337 int iv_ampdu_limit; /* A-MPDU tx limit (bytes) */ 338 int iv_amsdu_limit; /* A-MSDU tx limit (bytes) */ 339 u_int iv_ampdu_mintraffic[WME_NUM_AC]; 340 341 uint32_t *iv_aid_bitmap; /* association id map */ 342 uint16_t iv_max_aid; 343 uint16_t iv_sta_assoc; /* stations associated */ 344 uint16_t iv_ps_sta; /* stations in power save */ 345 uint16_t iv_ps_pending; /* ps sta's w/ pending frames */ 346 uint16_t iv_txseq; /* mcast xmit seq# space */ 347 uint16_t iv_tim_len; /* ic_tim_bitmap size (bytes) */ 348 uint8_t *iv_tim_bitmap; /* power-save stations w/ data*/ 349 uint8_t iv_dtim_period; /* DTIM period */ 350 uint8_t iv_dtim_count; /* DTIM count from last bcn */ 351 /* set/unset aid pwrsav state */ 352 int iv_csa_count; /* count for doing CSA */ 353 354 struct ieee80211_node *iv_bss; /* information for this node */ 355 struct ieee80211_txparam iv_txparms[IEEE80211_MODE_MAX]; 356 uint16_t iv_rtsthreshold; 357 uint16_t iv_fragthreshold; 358 int iv_inact_timer; /* inactivity timer wait */ 359 /* application-specified IE's to attach to mgt frames */ 360 struct ieee80211_appie *iv_appie_beacon; 361 struct ieee80211_appie *iv_appie_probereq; 362 struct ieee80211_appie *iv_appie_proberesp; 363 struct ieee80211_appie *iv_appie_assocreq; 364 struct ieee80211_appie *iv_appie_assocresp; 365 struct ieee80211_appie *iv_appie_wpa; 366 uint8_t *iv_wpa_ie; 367 uint8_t *iv_rsn_ie; 368 uint16_t iv_max_keyix; /* max h/w key index */ 369 ieee80211_keyix iv_def_txkey; /* default/group tx key index */ 370 struct ieee80211_key iv_nw_keys[IEEE80211_WEP_NKID]; 371 int (*iv_key_alloc)(struct ieee80211vap *, 372 const struct ieee80211_key *, 373 ieee80211_keyix *, ieee80211_keyix *); 374 int (*iv_key_delete)(struct ieee80211vap *, 375 const struct ieee80211_key *); 376 int (*iv_key_set)(struct ieee80211vap *, 377 const struct ieee80211_key *, 378 const uint8_t mac[IEEE80211_ADDR_LEN]); 379 void (*iv_key_update_begin)(struct ieee80211vap *); 380 void (*iv_key_update_end)(struct ieee80211vap *); 381 382 const struct ieee80211_authenticator *iv_auth; /* authenticator glue */ 383 void *iv_ec; /* private auth state */ 384 385 const struct ieee80211_aclator *iv_acl; /* acl glue */ 386 void *iv_as; /* private aclator state */ 387 388 /* operate-mode detach hook */ 389 void (*iv_opdetach)(struct ieee80211vap *); 390 /* receive processing */ 391 int (*iv_input)(struct ieee80211_node *, 392 struct mbuf *, int rssi, int noise, 393 uint32_t rstamp); 394 void (*iv_recv_mgmt)(struct ieee80211_node *, 395 struct mbuf *, int, int, int, uint32_t); 396 void (*iv_deliver_data)(struct ieee80211vap *, 397 struct ieee80211_node *, struct mbuf *); 398#if 0 399 /* send processing */ 400 int (*iv_send_mgmt)(struct ieee80211_node *, 401 int, int); 402#endif 403 /* beacon miss processing */ 404 void (*iv_bmiss)(struct ieee80211vap *); 405 /* reset device state after 802.11 parameter/state change */ 406 int (*iv_reset)(struct ieee80211vap *, u_long); 407 /* [schedule] beacon frame update */ 408 void (*iv_update_beacon)(struct ieee80211vap *, int); 409 /* power save handling */ 410 void (*iv_update_ps)(struct ieee80211vap *, int); 411 int (*iv_set_tim)(struct ieee80211_node *, int); 412 /* state machine processing */ 413 int (*iv_newstate)(struct ieee80211vap *, 414 enum ieee80211_state, int); 415 /* 802.3 output method for raw frame xmit */ 416 int (*iv_output)(struct ifnet *, struct mbuf *, 417 struct sockaddr *, struct rtentry *); 418}; 419MALLOC_DECLARE(M_80211_VAP); 420 421#define IEEE80211_ADDR_EQ(a1,a2) (memcmp(a1,a2,IEEE80211_ADDR_LEN) == 0) 422#define IEEE80211_ADDR_COPY(dst,src) memcpy(dst,src,IEEE80211_ADDR_LEN) 423 424/* ic_flags/iv_flags */ 425#define IEEE80211_F_TURBOP 0x00000001 /* CONF: ATH Turbo enabled*/ 426#define IEEE80211_F_COMP 0x00000002 /* CONF: ATH comp enabled */ 427#define IEEE80211_F_FF 0x00000004 /* CONF: ATH FF enabled */ 428#define IEEE80211_F_BURST 0x00000008 /* CONF: bursting enabled */ 429/* NB: this is intentionally setup to be IEEE80211_CAPINFO_PRIVACY */ 430#define IEEE80211_F_PRIVACY 0x00000010 /* CONF: privacy enabled */ 431#define IEEE80211_F_PUREG 0x00000020 /* CONF: 11g w/o 11b sta's */ 432#define IEEE80211_F_SCAN 0x00000080 /* STATUS: scanning */ 433#define IEEE80211_F_ASCAN 0x00000100 /* STATUS: active scan */ 434#define IEEE80211_F_SIBSS 0x00000200 /* STATUS: start IBSS */ 435/* NB: this is intentionally setup to be IEEE80211_CAPINFO_SHORT_SLOTTIME */ 436#define IEEE80211_F_SHSLOT 0x00000400 /* STATUS: use short slot time*/ 437#define IEEE80211_F_PMGTON 0x00000800 /* CONF: Power mgmt enable */ 438#define IEEE80211_F_DESBSSID 0x00001000 /* CONF: des_bssid is set */ 439#define IEEE80211_F_WME 0x00002000 /* CONF: enable WME use */ 440#define IEEE80211_F_BGSCAN 0x00004000 /* CONF: bg scan enabled (???)*/ 441#define IEEE80211_F_SWRETRY 0x00008000 /* CONF: sw tx retry enabled */ 442#define IEEE80211_F_TXPOW_FIXED 0x00010000 /* TX Power: fixed rate */ 443#define IEEE80211_F_IBSSON 0x00020000 /* CONF: IBSS creation enable */ 444#define IEEE80211_F_SHPREAMBLE 0x00040000 /* STATUS: use short preamble */ 445#define IEEE80211_F_DATAPAD 0x00080000 /* CONF: do alignment pad */ 446#define IEEE80211_F_USEPROT 0x00100000 /* STATUS: protection enabled */ 447#define IEEE80211_F_USEBARKER 0x00200000 /* STATUS: use barker preamble*/ 448#define IEEE80211_F_CSAPENDING 0x00400000 /* STATUS: chan switch pending*/ 449#define IEEE80211_F_WPA1 0x00800000 /* CONF: WPA enabled */ 450#define IEEE80211_F_WPA2 0x01000000 /* CONF: WPA2 enabled */ 451#define IEEE80211_F_WPA 0x01800000 /* CONF: WPA/WPA2 enabled */ 452#define IEEE80211_F_DROPUNENC 0x02000000 /* CONF: drop unencrypted */ 453#define IEEE80211_F_COUNTERM 0x04000000 /* CONF: TKIP countermeasures */ 454#define IEEE80211_F_HIDESSID 0x08000000 /* CONF: hide SSID in beacon */ 455#define IEEE80211_F_NOBRIDGE 0x10000000 /* CONF: dis. internal bridge */ 456#define IEEE80211_F_PCF 0x20000000 /* CONF: PCF enabled */ 457#define IEEE80211_F_DOTH 0x40000000 /* CONF: 11h enabled */ 458#define IEEE80211_F_DWDS 0x80000000 /* CONF: Dynamic WDS enabled */ 459 460/* Atheros protocol-specific flags */ 461#define IEEE80211_F_ATHEROS \ 462 (IEEE80211_F_FF | IEEE80211_F_COMP | IEEE80211_F_TURBOP) 463/* Check if an Atheros capability was negotiated for use */ 464#define IEEE80211_ATH_CAP(vap, ni, bit) \ 465 ((vap)->iv_flags & (ni)->ni_ath_flags & (bit)) 466 467/* ic_flags_ext/iv_flags_ext */ 468#define IEEE80211_FEXT_NONHT_PR 0x00000001 /* STATUS: non-HT sta present */ 469#define IEEE80211_FEXT_INACT 0x00000002 /* CONF: sta inact handling */ 470#define IEEE80211_FEXT_SCANWAIT 0x00000004 /* STATUS: awaiting scan */ 471/* 0x00000006 reserved */ 472#define IEEE80211_FEXT_BGSCAN 0x00000008 /* STATUS: complete bgscan */ 473#define IEEE80211_FEXT_WPS 0x00000010 /* CONF: WPS enabled */ 474#define IEEE80211_FEXT_TSN 0x00000020 /* CONF: TSN enabled */ 475#define IEEE80211_FEXT_SCANREQ 0x00000040 /* STATUS: scan req params */ 476#define IEEE80211_FEXT_RESUME 0x00000080 /* STATUS: start on resume */ 477#define IEEE80211_FEXT_DFS 0x00000800 /* CONF: DFS enabled */ 478#define IEEE80211_FEXT_NONERP_PR 0x00000200 /* STATUS: non-ERP sta present*/ 479#define IEEE80211_FEXT_SWBMISS 0x00000400 /* CONF: do bmiss in s/w */ 480#define IEEE80211_FEXT_DOTD 0x00001000 /* CONF: 11d enabled */ 481/* NB: immutable: should be set only when creating a vap */ 482#define IEEE80211_FEXT_WDSLEGACY 0x00010000 /* CONF: legacy WDS operation */ 483#define IEEE80211_FEXT_PROBECHAN 0x00020000 /* CONF: probe passive channel*/ 484#define IEEE80211_FEXT_HT 0x00080000 /* CONF: HT supported */ 485#define IEEE80211_FEXT_AMPDU_TX 0x00100000 /* CONF: A-MPDU tx supported */ 486#define IEEE80211_FEXT_AMPDU_RX 0x00200000 /* CONF: A-MPDU tx supported */ 487#define IEEE80211_FEXT_AMSDU_TX 0x00400000 /* CONF: A-MSDU tx supported */ 488#define IEEE80211_FEXT_AMSDU_RX 0x00800000 /* CONF: A-MSDU tx supported */ 489#define IEEE80211_FEXT_USEHT40 0x01000000 /* CONF: 20/40 use enabled */ 490#define IEEE80211_FEXT_PUREN 0x02000000 /* CONF: 11n w/o legacy sta's */ 491#define IEEE80211_FEXT_SHORTGI20 0x04000000 /* CONF: short GI in HT20 */ 492#define IEEE80211_FEXT_SHORTGI40 0x08000000 /* CONF: short GI in HT40 */ 493#define IEEE80211_FEXT_HTCOMPAT 0x10000000 /* CONF: HT vendor OUI's */ 494 495/* ic_caps/iv_caps: device driver capabilities */ 496/* 0x2f available */ 497#define IEEE80211_C_STA 0x00000001 /* CAPABILITY: STA available */ 498#define IEEE80211_C_FF 0x00000040 /* CAPABILITY: ATH FF avail */ 499#define IEEE80211_C_TURBOP 0x00000080 /* CAPABILITY: ATH Turbo avail*/ 500#define IEEE80211_C_IBSS 0x00000100 /* CAPABILITY: IBSS available */ 501#define IEEE80211_C_PMGT 0x00000200 /* CAPABILITY: Power mgmt */ 502#define IEEE80211_C_HOSTAP 0x00000400 /* CAPABILITY: HOSTAP avail */ 503#define IEEE80211_C_AHDEMO 0x00000800 /* CAPABILITY: Old Adhoc Demo */ 504#define IEEE80211_C_SWRETRY 0x00001000 /* CAPABILITY: sw tx retry */ 505#define IEEE80211_C_TXPMGT 0x00002000 /* CAPABILITY: tx power mgmt */ 506#define IEEE80211_C_SHSLOT 0x00004000 /* CAPABILITY: short slottime */ 507#define IEEE80211_C_SHPREAMBLE 0x00008000 /* CAPABILITY: short preamble */ 508#define IEEE80211_C_MONITOR 0x00010000 /* CAPABILITY: monitor mode */ 509#define IEEE80211_C_DFS 0x00020000 /* CAPABILITY: DFS/radar avail*/ 510/* 0x7c0000 available */ 511#define IEEE80211_C_WPA1 0x00800000 /* CAPABILITY: WPA1 avail */ 512#define IEEE80211_C_WPA2 0x01000000 /* CAPABILITY: WPA2 avail */ 513#define IEEE80211_C_WPA 0x01800000 /* CAPABILITY: WPA1+WPA2 avail*/ 514#define IEEE80211_C_BURST 0x02000000 /* CAPABILITY: frame bursting */ 515#define IEEE80211_C_WME 0x04000000 /* CAPABILITY: WME avail */ 516#define IEEE80211_C_WDS 0x08000000 /* CAPABILITY: 4-addr support */ 517/* 0x10000000 reserved */ 518#define IEEE80211_C_BGSCAN 0x20000000 /* CAPABILITY: bg scanning */ 519#define IEEE80211_C_TXFRAG 0x40000000 /* CAPABILITY: tx fragments */ 520/* XXX protection/barker? */ 521 522#define IEEE80211_C_OPMODE \ 523 (IEEE80211_C_STA | IEEE80211_C_IBSS | IEEE80211_C_HOSTAP | \ 524 IEEE80211_C_AHDEMO | IEEE80211_C_MONITOR | IEEE80211_C_WDS) 525 526/* 527 * ic_htcaps/iv_htcaps: HT-specific device/driver capabilities 528 * 529 * NB: the low 16-bits are the 802.11 definitions, the upper 530 * 16-bits are used to define s/w/driver capabilities. 531 */ 532#define IEEE80211_HTC_AMPDU 0x00010000 /* CAPABILITY: A-MPDU tx */ 533#define IEEE80211_HTC_AMSDU 0x00020000 /* CAPABILITY: A-MSDU tx */ 534/* NB: HT40 is implied by IEEE80211_HTCAP_CHWIDTH40 */ 535#define IEEE80211_HTC_HT 0x00040000 /* CAPABILITY: HT operation */ 536 537void ieee80211_ifattach(struct ieee80211com *); 538void ieee80211_ifdetach(struct ieee80211com *); 539int ieee80211_vap_setup(struct ieee80211com *, struct ieee80211vap *, 540 const char name[IFNAMSIZ], int unit, int opmode, int flags, 541 const uint8_t bssid[IEEE80211_ADDR_LEN], 542 const uint8_t macaddr[IEEE80211_ADDR_LEN]); 543int ieee80211_vap_attach(struct ieee80211vap *, 544 ifm_change_cb_t, ifm_stat_cb_t); 545void ieee80211_vap_detach(struct ieee80211vap *); 546const struct ieee80211_rateset *ieee80211_get_suprates(struct ieee80211com *ic, 547 const struct ieee80211_channel *); 548void ieee80211_announce(struct ieee80211com *); 549void ieee80211_announce_channels(struct ieee80211com *); 550void ieee80211_drain(struct ieee80211com *); 551void ieee80211_media_init(struct ieee80211com *); 552struct ieee80211com *ieee80211_find_vap(const uint8_t mac[IEEE80211_ADDR_LEN]); 553int ieee80211_media_change(struct ifnet *); 554void ieee80211_media_status(struct ifnet *, struct ifmediareq *); 555int ieee80211_ioctl(struct ifnet *, u_long, caddr_t); 556int ieee80211_rate2media(struct ieee80211com *, int, 557 enum ieee80211_phymode); 558int ieee80211_media2rate(int); 559int ieee80211_mhz2ieee(u_int, u_int); 560int ieee80211_chan2ieee(struct ieee80211com *, 561 const struct ieee80211_channel *); 562u_int ieee80211_ieee2mhz(u_int, u_int); 563struct ieee80211_channel *ieee80211_find_channel(struct ieee80211com *, 564 int freq, int flags); 565struct ieee80211_channel *ieee80211_find_channel_byieee(struct ieee80211com *, 566 int ieee, int flags); 567int ieee80211_setmode(struct ieee80211com *, enum ieee80211_phymode); 568enum ieee80211_phymode ieee80211_chan2mode(const struct ieee80211_channel *); 569 570/* 571 * Key update synchronization methods. XXX should not be visible. 572 */ 573static __inline void 574ieee80211_key_update_begin(struct ieee80211vap *vap) 575{ 576 vap->iv_key_update_begin(vap); 577} 578static __inline void 579ieee80211_key_update_end(struct ieee80211vap *vap) 580{ 581 vap->iv_key_update_end(vap); 582} 583 584/* 585 * XXX these need to be here for IEEE80211_F_DATAPAD 586 */ 587 588/* 589 * Return the space occupied by the 802.11 header and any 590 * padding required by the driver. This works for a 591 * management or data frame. 592 */ 593static __inline int 594ieee80211_hdrspace(struct ieee80211com *ic, const void *data) 595{ 596 int size = ieee80211_hdrsize(data); 597 if (ic->ic_flags & IEEE80211_F_DATAPAD) 598 size = roundup(size, sizeof(uint32_t)); 599 return size; 600} 601 602/* 603 * Like ieee80211_hdrspace, but handles any type of frame. 604 */ 605static __inline int 606ieee80211_anyhdrspace(struct ieee80211com *ic, const void *data) 607{ 608 int size = ieee80211_anyhdrsize(data); 609 if (ic->ic_flags & IEEE80211_F_DATAPAD) 610 size = roundup(size, sizeof(uint32_t)); 611 return size; 612} 613 614/* 615 * Notify a vap that beacon state has been updated. 616 */ 617static __inline void 618ieee80211_beacon_notify(struct ieee80211vap *vap, int what) 619{ 620 if (vap->iv_state == IEEE80211_S_RUN) 621 vap->iv_update_beacon(vap, what); 622} 623 624/* 625 * Calculate HT channel promotion flags for a channel. 626 * XXX belongs in ieee80211_ht.h but needs IEEE80211_FEXT_* 627 */ 628static __inline int 629ieee80211_htchanflags(const struct ieee80211_channel *c) 630{ 631 return IEEE80211_IS_CHAN_HT40(c) ? 632 IEEE80211_FEXT_HT | IEEE80211_FEXT_USEHT40 : 633 IEEE80211_IS_CHAN_HT(c) ? IEEE80211_FEXT_HT : 0; 634} 635 636/* 637 * Debugging facilities compiled in when IEEE80211_DEBUG is defined. 638 * 639 * The intent is that any problem in the net80211 layer can be 640 * diagnosed by inspecting the statistics (dumped by the wlanstats 641 * program) and/or the msgs generated by net80211. Messages are 642 * broken into functional classes and can be controlled with the 643 * wlandebug program. Certain of these msg groups are for facilities 644 * that are no longer part of net80211 (e.g. IEEE80211_MSG_DOT1X). 645 */ 646#define IEEE80211_MSG_11N 0x80000000 /* 11n mode debug */ 647#define IEEE80211_MSG_DEBUG 0x40000000 /* IFF_DEBUG equivalent */ 648#define IEEE80211_MSG_DUMPPKTS 0x20000000 /* IFF_LINK2 equivalant */ 649#define IEEE80211_MSG_CRYPTO 0x10000000 /* crypto work */ 650#define IEEE80211_MSG_INPUT 0x08000000 /* input handling */ 651#define IEEE80211_MSG_XRATE 0x04000000 /* rate set handling */ 652#define IEEE80211_MSG_ELEMID 0x02000000 /* element id parsing */ 653#define IEEE80211_MSG_NODE 0x01000000 /* node handling */ 654#define IEEE80211_MSG_ASSOC 0x00800000 /* association handling */ 655#define IEEE80211_MSG_AUTH 0x00400000 /* authentication handling */ 656#define IEEE80211_MSG_SCAN 0x00200000 /* scanning */ 657#define IEEE80211_MSG_OUTPUT 0x00100000 /* output handling */ 658#define IEEE80211_MSG_STATE 0x00080000 /* state machine */ 659#define IEEE80211_MSG_POWER 0x00040000 /* power save handling */ 660#define IEEE80211_MSG_DOT1X 0x00020000 /* 802.1x authenticator */ 661#define IEEE80211_MSG_DOT1XSM 0x00010000 /* 802.1x state machine */ 662#define IEEE80211_MSG_RADIUS 0x00008000 /* 802.1x radius client */ 663#define IEEE80211_MSG_RADDUMP 0x00004000 /* dump 802.1x radius packets */ 664#define IEEE80211_MSG_RADKEYS 0x00002000 /* dump 802.1x keys */ 665#define IEEE80211_MSG_WPA 0x00001000 /* WPA/RSN protocol */ 666#define IEEE80211_MSG_ACL 0x00000800 /* ACL handling */ 667#define IEEE80211_MSG_WME 0x00000400 /* WME protocol */ 668#define IEEE80211_MSG_SUPERG 0x00000200 /* Atheros SuperG protocol */ 669#define IEEE80211_MSG_DOTH 0x00000100 /* 802.11h support */ 670#define IEEE80211_MSG_INACT 0x00000080 /* inactivity handling */ 671#define IEEE80211_MSG_ROAM 0x00000040 /* sta-mode roaming */ 672#define IEEE80211_MSG_RATECTL 0x00000020 /* tx rate control */ 673#define IEEE80211_MSG_ACTION 0x00000010 /* action frame handling */ 674#define IEEE80211_MSG_WDS 0x00000008 /* WDS handling */ 675#define IEEE80211_MSG_IOCTL 0x00000004 /* ioctl handling */ 676 677#define IEEE80211_MSG_ANY 0xffffffff /* anything */ 678 679#ifdef IEEE80211_DEBUG 680#define ieee80211_msg(_vap, _m) ((_vap)->iv_debug & (_m)) 681#define IEEE80211_DPRINTF(_vap, _m, _fmt, ...) do { \ 682 if (ieee80211_msg(_vap, _m)) \ 683 ieee80211_note(_vap, _fmt, __VA_ARGS__); \ 684} while (0) 685#define IEEE80211_NOTE(_vap, _m, _ni, _fmt, ...) do { \ 686 if (ieee80211_msg(_vap, _m)) \ 687 ieee80211_note_mac(_vap, (_ni)->ni_macaddr, _fmt, __VA_ARGS__);\ 688} while (0) 689#define IEEE80211_NOTE_MAC(_vap, _m, _mac, _fmt, ...) do { \ 690 if (ieee80211_msg(_vap, _m)) \ 691 ieee80211_note_mac(_vap, _mac, _fmt, __VA_ARGS__); \ 692} while (0) 693#define IEEE80211_NOTE_FRAME(_vap, _m, _wh, _fmt, ...) do { \ 694 if (ieee80211_msg(_vap, _m)) \ 695 ieee80211_note_frame(_vap, _wh, _fmt, __VA_ARGS__); \ 696} while (0) 697void ieee80211_note(struct ieee80211vap *, const char *, ...); 698void ieee80211_note_mac(struct ieee80211vap *, 699 const uint8_t mac[IEEE80211_ADDR_LEN], const char *, ...); 700void ieee80211_note_frame(struct ieee80211vap *, 701 const struct ieee80211_frame *, const char *, ...); 702#define ieee80211_msg_debug(_vap) \ 703 ((_vap)->iv_debug & IEEE80211_MSG_DEBUG) 704#define ieee80211_msg_dumppkts(_vap) \ 705 ((_vap)->iv_debug & IEEE80211_MSG_DUMPPKTS) 706#define ieee80211_msg_input(_vap) \ 707 ((_vap)->iv_debug & IEEE80211_MSG_INPUT) 708#define ieee80211_msg_radius(_vap) \ 709 ((_vap)->iv_debug & IEEE80211_MSG_RADIUS) 710#define ieee80211_msg_dumpradius(_vap) \ 711 ((_vap)->iv_debug & IEEE80211_MSG_RADDUMP) 712#define ieee80211_msg_dumpradkeys(_vap) \ 713 ((_vap)->iv_debug & IEEE80211_MSG_RADKEYS) 714#define ieee80211_msg_scan(_vap) \ 715 ((_vap)->iv_debug & IEEE80211_MSG_SCAN) 716#define ieee80211_msg_assoc(_vap) \ 717 ((_vap)->iv_debug & IEEE80211_MSG_ASSOC) 718 719/* 720 * Emit a debug message about discarding a frame or information 721 * element. One format is for extracting the mac address from 722 * the frame header; the other is for when a header is not 723 * available or otherwise appropriate. 724 */ 725#define IEEE80211_DISCARD(_vap, _m, _wh, _type, _fmt, ...) do { \ 726 if ((_vap)->iv_debug & (_m)) \ 727 ieee80211_discard_frame(_vap, _wh, _type, _fmt, __VA_ARGS__);\ 728} while (0) 729#define IEEE80211_DISCARD_IE(_vap, _m, _wh, _type, _fmt, ...) do { \ 730 if ((_vap)->iv_debug & (_m)) \ 731 ieee80211_discard_ie(_vap, _wh, _type, _fmt, __VA_ARGS__);\ 732} while (0) 733#define IEEE80211_DISCARD_MAC(_vap, _m, _mac, _type, _fmt, ...) do { \ 734 if ((_vap)->iv_debug & (_m)) \ 735 ieee80211_discard_mac(_vap, _mac, _type, _fmt, __VA_ARGS__);\ 736} while (0) 737 738void ieee80211_discard_frame(struct ieee80211vap *, 739 const struct ieee80211_frame *, const char *type, const char *fmt, ...); 740void ieee80211_discard_ie(struct ieee80211vap *, 741 const struct ieee80211_frame *, const char *type, const char *fmt, ...); 742void ieee80211_discard_mac(struct ieee80211vap *, 743 const uint8_t mac[IEEE80211_ADDR_LEN], const char *type, 744 const char *fmt, ...); 745#else 746#define IEEE80211_DPRINTF(_vap, _m, _fmt, ...) 747#define IEEE80211_NOTE(_vap, _m, _ni, _fmt, ...) 748#define IEEE80211_NOTE_FRAME(_vap, _m, _wh, _fmt, ...) 749#define IEEE80211_NOTE_MAC(_vap, _m, _mac, _fmt, ...) 750#define ieee80211_msg_dumppkts(_vap) 0 751#define ieee80211_msg(_vap, _m) 0 752 753#define IEEE80211_DISCARD(_vap, _m, _wh, _type, _fmt, ...) 754#define IEEE80211_DISCARD_IE(_vap, _m, _wh, _type, _fmt, ...) 755#define IEEE80211_DISCARD_MAC(_vap, _m, _mac, _type, _fmt, ...) 756#endif 757 758#endif /* _NET80211_IEEE80211_VAR_H_ */ 759