1116742Ssam/*- 2116904Ssam * Copyright (c) 2001 Atsushi Onoe 3186904Ssam * Copyright (c) 2002-2009 Sam Leffler, Errno Consulting 4116742Ssam * All rights reserved. 5116742Ssam * 6116742Ssam * Redistribution and use in source and binary forms, with or without 7116742Ssam * modification, are permitted provided that the following conditions 8116742Ssam * are met: 9116742Ssam * 1. Redistributions of source code must retain the above copyright 10116742Ssam * notice, this list of conditions and the following disclaimer. 11116742Ssam * 2. Redistributions in binary form must reproduce the above copyright 12116742Ssam * notice, this list of conditions and the following disclaimer in the 13116742Ssam * documentation and/or other materials provided with the distribution. 14116742Ssam * 15116904Ssam * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 16116904Ssam * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17116904Ssam * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18116904Ssam * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 19116904Ssam * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20116904Ssam * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21116904Ssam * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22116904Ssam * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23116904Ssam * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24116904Ssam * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25116904Ssam * 26116742Ssam * $FreeBSD$ 27116742Ssam */ 28116742Ssam#ifndef _NET80211_IEEE80211_PROTO_H_ 29116742Ssam#define _NET80211_IEEE80211_PROTO_H_ 30116742Ssam 31116742Ssam/* 32116742Ssam * 802.11 protocol implementation definitions. 33116742Ssam */ 34116742Ssam 35116742Ssamenum ieee80211_state { 36117811Ssam IEEE80211_S_INIT = 0, /* default state */ 37117811Ssam IEEE80211_S_SCAN = 1, /* scanning */ 38117811Ssam IEEE80211_S_AUTH = 2, /* try to authenticate */ 39117811Ssam IEEE80211_S_ASSOC = 3, /* try to assoc */ 40172058Ssam IEEE80211_S_CAC = 4, /* doing channel availability check */ 41172058Ssam IEEE80211_S_RUN = 5, /* operational (e.g. associated) */ 42172058Ssam IEEE80211_S_CSA = 6, /* channel switch announce pending */ 43172058Ssam IEEE80211_S_SLEEP = 7, /* power save */ 44116742Ssam}; 45172058Ssam#define IEEE80211_S_MAX (IEEE80211_S_SLEEP+1) 46116742Ssam 47178354Ssam#define IEEE80211_SEND_MGMT(_ni,_type,_arg) \ 48178354Ssam ((*(_ni)->ni_ic->ic_send_mgmt)(_ni, _type, _arg)) 49116742Ssam 50116742Ssamextern const char *ieee80211_mgt_subtype_name[]; 51178959Ssamextern const char *ieee80211_phymode_name[IEEE80211_MODE_MAX]; 52178957Ssamextern const int ieee80211_opcap[IEEE80211_OPMODE_MAX]; 53116742Ssam 54144618Ssamvoid ieee80211_proto_attach(struct ieee80211com *); 55144618Ssamvoid ieee80211_proto_detach(struct ieee80211com *); 56178354Ssamvoid ieee80211_proto_vattach(struct ieee80211vap *); 57178354Ssamvoid ieee80211_proto_vdetach(struct ieee80211vap *); 58116742Ssam 59178354Ssamvoid ieee80211_syncifflag_locked(struct ieee80211com *, int flag); 60178354Ssamvoid ieee80211_syncflag(struct ieee80211vap *, int flag); 61193655Ssamvoid ieee80211_syncflag_ht(struct ieee80211vap *, int flag); 62178354Ssamvoid ieee80211_syncflag_ext(struct ieee80211vap *, int flag); 63178354Ssam 64220445Sadrian#define IEEE80211_R_NF 0x0000001 /* global NF value valid */ 65220445Sadrian#define IEEE80211_R_RSSI 0x0000002 /* global RSSI value valid */ 66220445Sadrian#define IEEE80211_R_C_CHAIN 0x0000004 /* RX chain count valid */ 67220445Sadrian#define IEEE80211_R_C_NF 0x0000008 /* per-chain NF value valid */ 68220445Sadrian#define IEEE80211_R_C_RSSI 0x0000010 /* per-chain RSSI value valid */ 69220445Sadrian#define IEEE80211_R_C_EVM 0x0000020 /* per-chain EVM valid */ 70220445Sadrian#define IEEE80211_R_C_HT40 0x0000040 /* RX'ed packet is 40mhz, pilots 4,5 valid */ 71220445Sadrian 72220445Sadrianstruct ieee80211_rx_stats { 73220445Sadrian uint32_t r_flags; /* IEEE80211_R_* flags */ 74220445Sadrian uint8_t c_chain; /* number of RX chains involved */ 75220445Sadrian int16_t c_nf_ctl[IEEE80211_MAX_CHAINS]; /* per-chain NF */ 76220445Sadrian int16_t c_nf_ext[IEEE80211_MAX_CHAINS]; /* per-chain NF */ 77220445Sadrian int16_t c_rssi_ctl[IEEE80211_MAX_CHAINS]; /* per-chain RSSI */ 78220445Sadrian int16_t c_rssi_ext[IEEE80211_MAX_CHAINS]; /* per-chain RSSI */ 79220445Sadrian uint8_t nf; /* global NF */ 80220445Sadrian uint8_t rssi; /* global RSSI */ 81220445Sadrian uint8_t evm[IEEE80211_MAX_CHAINS][IEEE80211_MAX_EVM_PILOTS]; 82220445Sadrian /* per-chain, per-pilot EVM values */ 83220445Sadrian}; 84220445Sadrian 85192468Ssam#define ieee80211_input(ni, m, rssi, nf) \ 86192468Ssam ((ni)->ni_vap->iv_input(ni, m, rssi, nf)) 87192468Ssamint ieee80211_input_all(struct ieee80211com *, struct mbuf *, int, int); 88220445Sadrian 89220445Sadrianint ieee80211_input_mimo(struct ieee80211_node *, struct mbuf *, 90220445Sadrian struct ieee80211_rx_stats *); 91220445Sadrianint ieee80211_input_mimo_all(struct ieee80211com *, struct mbuf *, 92220445Sadrian struct ieee80211_rx_stats *); 93220445Sadrian 94184287Ssamstruct ieee80211_bpf_params; 95184282Ssamint ieee80211_mgmt_output(struct ieee80211_node *, struct mbuf *, int, 96184282Ssam struct ieee80211_bpf_params *); 97160690Ssamint ieee80211_raw_xmit(struct ieee80211_node *, struct mbuf *, 98160690Ssam const struct ieee80211_bpf_params *); 99160690Ssamint ieee80211_output(struct ifnet *, struct mbuf *, 100191148Skmacy struct sockaddr *, struct route *ro); 101195618Srpaulovoid ieee80211_send_setup(struct ieee80211_node *, struct mbuf *, int, int, 102195618Srpaulo const uint8_t [IEEE80211_ADDR_LEN], const uint8_t [IEEE80211_ADDR_LEN], 103195618Srpaulo const uint8_t [IEEE80211_ADDR_LEN]); 104178354Ssamvoid ieee80211_start(struct ifnet *); 105148301Ssamint ieee80211_send_nulldata(struct ieee80211_node *); 106178354Ssamint ieee80211_classify(struct ieee80211_node *, struct mbuf *m); 107190391Ssamstruct mbuf *ieee80211_mbuf_adjust(struct ieee80211vap *, int, 108190579Ssam struct ieee80211_key *, struct mbuf *); 109190579Ssamstruct mbuf *ieee80211_encap(struct ieee80211vap *, struct ieee80211_node *, 110190579Ssam struct mbuf *); 111178354Ssamint ieee80211_send_mgmt(struct ieee80211_node *, int, int); 112178354Ssamstruct ieee80211_appie; 113148315Ssamint ieee80211_send_probereq(struct ieee80211_node *ni, 114170530Ssam const uint8_t sa[IEEE80211_ADDR_LEN], 115170530Ssam const uint8_t da[IEEE80211_ADDR_LEN], 116170530Ssam const uint8_t bssid[IEEE80211_ADDR_LEN], 117178354Ssam const uint8_t *ssid, size_t ssidlen); 118178354Ssam/* 119178354Ssam * The formation of ProbeResponse frames requires guidance to 120178354Ssam * deal with legacy clients. When the client is identified as 121178354Ssam * "legacy 11b" ieee80211_send_proberesp is passed this token. 122178354Ssam */ 123178354Ssam#define IEEE80211_SEND_LEGACY_11B 0x1 /* legacy 11b client */ 124178354Ssam#define IEEE80211_SEND_LEGACY_11 0x2 /* other legacy client */ 125178354Ssam#define IEEE80211_SEND_LEGACY 0x3 /* any legacy client */ 126178354Ssamstruct mbuf *ieee80211_alloc_proberesp(struct ieee80211_node *, int); 127178354Ssamint ieee80211_send_proberesp(struct ieee80211vap *, 128178354Ssam const uint8_t da[IEEE80211_ADDR_LEN], int); 129178354Ssamstruct mbuf *ieee80211_alloc_rts(struct ieee80211com *ic, 130178354Ssam const uint8_t [IEEE80211_ADDR_LEN], 131178354Ssam const uint8_t [IEEE80211_ADDR_LEN], uint16_t); 132178354Ssamstruct mbuf *ieee80211_alloc_cts(struct ieee80211com *, 133178354Ssam const uint8_t [IEEE80211_ADDR_LEN], uint16_t); 134138568Ssam 135195618Srpaulouint8_t *ieee80211_add_rates(uint8_t *, const struct ieee80211_rateset *); 136195618Srpaulouint8_t *ieee80211_add_xrates(uint8_t *, const struct ieee80211_rateset *); 137266507Shselaskyuint8_t *ieee80211_add_wpa(uint8_t *, const struct ieee80211vap *); 138266507Shselaskyuint8_t *ieee80211_add_rsn(uint8_t *, const struct ieee80211vap *); 139266507Shselaskyuint8_t *ieee80211_add_qos(uint8_t *, const struct ieee80211_node *); 140195618Srpaulouint16_t ieee80211_getcapinfo(struct ieee80211vap *, 141195618Srpaulo struct ieee80211_channel *); 142195618Srpaulo 143144618Ssamvoid ieee80211_reset_erp(struct ieee80211com *); 144144618Ssamvoid ieee80211_set_shortslottime(struct ieee80211com *, int onoff); 145178354Ssamint ieee80211_iserp_rateset(const struct ieee80211_rateset *); 146178354Ssamvoid ieee80211_setbasicrates(struct ieee80211_rateset *, 147138568Ssam enum ieee80211_phymode); 148178354Ssamvoid ieee80211_addbasicrates(struct ieee80211_rateset *, 149178354Ssam enum ieee80211_phymode); 150138568Ssam 151138568Ssam/* 152138568Ssam * Return the size of the 802.11 header for a management or data frame. 153138568Ssam */ 154139525Ssamstatic __inline int 155138568Ssamieee80211_hdrsize(const void *data) 156138568Ssam{ 157138568Ssam const struct ieee80211_frame *wh = data; 158138568Ssam int size = sizeof(struct ieee80211_frame); 159138568Ssam 160138568Ssam /* NB: we don't handle control frames */ 161138568Ssam KASSERT((wh->i_fc[0]&IEEE80211_FC0_TYPE_MASK) != IEEE80211_FC0_TYPE_CTL, 162138568Ssam ("%s: control frame", __func__)); 163193840Ssam if (IEEE80211_IS_DSTODS(wh)) 164138568Ssam size += IEEE80211_ADDR_LEN; 165138568Ssam if (IEEE80211_QOS_HAS_SEQ(wh)) 166170530Ssam size += sizeof(uint16_t); 167138568Ssam return size; 168138568Ssam} 169138568Ssam 170138568Ssam/* 171170530Ssam * Like ieee80211_hdrsize, but handles any type of frame. 172138568Ssam */ 173139525Ssamstatic __inline int 174138568Ssamieee80211_anyhdrsize(const void *data) 175138568Ssam{ 176138568Ssam const struct ieee80211_frame *wh = data; 177138568Ssam 178138568Ssam if ((wh->i_fc[0]&IEEE80211_FC0_TYPE_MASK) == IEEE80211_FC0_TYPE_CTL) { 179138568Ssam switch (wh->i_fc[0] & IEEE80211_FC0_SUBTYPE_MASK) { 180138568Ssam case IEEE80211_FC0_SUBTYPE_CTS: 181138568Ssam case IEEE80211_FC0_SUBTYPE_ACK: 182138568Ssam return sizeof(struct ieee80211_frame_ack); 183170530Ssam case IEEE80211_FC0_SUBTYPE_BAR: 184170530Ssam return sizeof(struct ieee80211_frame_bar); 185138568Ssam } 186138568Ssam return sizeof(struct ieee80211_frame_min); 187138568Ssam } else 188138568Ssam return ieee80211_hdrsize(data); 189138568Ssam} 190138568Ssam 191138568Ssam/* 192138568Ssam * Template for an in-kernel authenticator. Authenticators 193138568Ssam * register with the protocol code and are typically loaded 194178354Ssam * as separate modules as needed. One special authenticator 195178354Ssam * is xauth; it intercepts requests so that protocols like 196178354Ssam * WPA can be handled in user space. 197138568Ssam */ 198138568Ssamstruct ieee80211_authenticator { 199138568Ssam const char *ia_name; /* printable name */ 200178354Ssam int (*ia_attach)(struct ieee80211vap *); 201178354Ssam void (*ia_detach)(struct ieee80211vap *); 202178354Ssam void (*ia_node_join)(struct ieee80211_node *); 203178354Ssam void (*ia_node_leave)(struct ieee80211_node *); 204138568Ssam}; 205144618Ssamvoid ieee80211_authenticator_register(int type, 206138568Ssam const struct ieee80211_authenticator *); 207144618Ssamvoid ieee80211_authenticator_unregister(int type); 208144618Ssamconst struct ieee80211_authenticator *ieee80211_authenticator_get(int auth); 209138568Ssam 210149028Ssamstruct ieee80211req; 211138568Ssam/* 212138568Ssam * Template for an MAC ACL policy module. Such modules 213138568Ssam * register with the protocol code and are passed the sender's 214178354Ssam * address of each received auth frame for validation. 215138568Ssam */ 216138568Ssamstruct ieee80211_aclator { 217138568Ssam const char *iac_name; /* printable name */ 218178354Ssam int (*iac_attach)(struct ieee80211vap *); 219178354Ssam void (*iac_detach)(struct ieee80211vap *); 220178354Ssam int (*iac_check)(struct ieee80211vap *, 221170530Ssam const uint8_t mac[IEEE80211_ADDR_LEN]); 222178354Ssam int (*iac_add)(struct ieee80211vap *, 223170530Ssam const uint8_t mac[IEEE80211_ADDR_LEN]); 224178354Ssam int (*iac_remove)(struct ieee80211vap *, 225170530Ssam const uint8_t mac[IEEE80211_ADDR_LEN]); 226178354Ssam int (*iac_flush)(struct ieee80211vap *); 227178354Ssam int (*iac_setpolicy)(struct ieee80211vap *, int); 228178354Ssam int (*iac_getpolicy)(struct ieee80211vap *); 229178354Ssam int (*iac_setioctl)(struct ieee80211vap *, struct ieee80211req *); 230178354Ssam int (*iac_getioctl)(struct ieee80211vap *, struct ieee80211req *); 231138568Ssam}; 232144618Ssamvoid ieee80211_aclator_register(const struct ieee80211_aclator *); 233144618Ssamvoid ieee80211_aclator_unregister(const struct ieee80211_aclator *); 234144618Ssamconst struct ieee80211_aclator *ieee80211_aclator_get(const char *name); 235138568Ssam 236138568Ssam/* flags for ieee80211_fix_rate() */ 237138568Ssam#define IEEE80211_F_DOSORT 0x00000001 /* sort rate list */ 238178354Ssam#define IEEE80211_F_DOFRATE 0x00000002 /* use fixed legacy rate */ 239138568Ssam#define IEEE80211_F_DONEGO 0x00000004 /* calc negotiated rate */ 240138568Ssam#define IEEE80211_F_DODEL 0x00000008 /* delete ignore rate */ 241170530Ssam#define IEEE80211_F_DOBRS 0x00000010 /* check basic rate set */ 242170530Ssam#define IEEE80211_F_JOIN 0x00000020 /* sta joining our bss */ 243178354Ssam#define IEEE80211_F_DOFMCS 0x00000040 /* use fixed HT rate */ 244167442Ssamint ieee80211_fix_rate(struct ieee80211_node *, 245167442Ssam struct ieee80211_rateset *, int); 246138568Ssam 247138568Ssam/* 248138568Ssam * WME/WMM support. 249138568Ssam */ 250138568Ssamstruct wmeParams { 251170530Ssam uint8_t wmep_acm; 252170530Ssam uint8_t wmep_aifsn; 253170530Ssam uint8_t wmep_logcwmin; /* log2(cwmin) */ 254170530Ssam uint8_t wmep_logcwmax; /* log2(cwmax) */ 255170530Ssam uint8_t wmep_txopLimit; 256170530Ssam uint8_t wmep_noackPolicy; /* 0 (ack), 1 (no ack) */ 257138568Ssam}; 258140762Ssam#define IEEE80211_TXOP_TO_US(_txop) ((_txop)<<5) 259140762Ssam#define IEEE80211_US_TO_TXOP(_us) ((_us)>>5) 260138568Ssam 261138568Ssamstruct chanAccParams { 262170530Ssam uint8_t cap_info; /* version of the current set */ 263138568Ssam struct wmeParams cap_wmeParams[WME_NUM_AC]; 264138568Ssam}; 265138568Ssam 266138568Ssamstruct ieee80211_wme_state { 267138568Ssam u_int wme_flags; 268138568Ssam#define WME_F_AGGRMODE 0x00000001 /* STATUS: WME agressive mode */ 269138568Ssam u_int wme_hipri_traffic; /* VI/VO frames in beacon interval */ 270138568Ssam u_int wme_hipri_switch_thresh;/* agressive mode switch thresh */ 271138568Ssam u_int wme_hipri_switch_hysteresis;/* agressive mode switch hysteresis */ 272138568Ssam 273138568Ssam struct wmeParams wme_params[4]; /* from assoc resp for each AC*/ 274138568Ssam struct chanAccParams wme_wmeChanParams; /* WME params applied to self */ 275138568Ssam struct chanAccParams wme_wmeBssChanParams;/* WME params bcast to stations */ 276138568Ssam struct chanAccParams wme_chanParams; /* params applied to self */ 277138568Ssam struct chanAccParams wme_bssChanParams; /* params bcast to stations */ 278138568Ssam 279138568Ssam int (*wme_update)(struct ieee80211com *); 280138568Ssam}; 281138568Ssam 282178354Ssamvoid ieee80211_wme_initparams(struct ieee80211vap *); 283178354Ssamvoid ieee80211_wme_updateparams(struct ieee80211vap *); 284178354Ssamvoid ieee80211_wme_updateparams_locked(struct ieee80211vap *); 285138568Ssam 286178354Ssam/* 287178354Ssam * Return the WME TID from a QoS frame. If no TID 288178354Ssam * is present return the index for the "non-QoS" entry. 289178354Ssam */ 290178354Ssamstatic __inline uint8_t 291178354Ssamieee80211_gettid(const struct ieee80211_frame *wh) 292178354Ssam{ 293178354Ssam uint8_t tid; 294178354Ssam 295178354Ssam if (IEEE80211_QOS_HAS_SEQ(wh)) { 296193840Ssam if (IEEE80211_IS_DSTODS(wh)) 297193840Ssam tid = ((const struct ieee80211_qosframe_addr4 *)wh)-> 298193840Ssam i_qos[0]; 299193840Ssam else 300193840Ssam tid = ((const struct ieee80211_qosframe *)wh)->i_qos[0]; 301193840Ssam tid &= IEEE80211_QOS_TID; 302178354Ssam } else 303178354Ssam tid = IEEE80211_NONQOS_TID; 304178354Ssam return tid; 305178354Ssam} 306178354Ssam 307188533Sthompsavoid ieee80211_waitfor_parent(struct ieee80211com *); 308178354Ssamvoid ieee80211_start_locked(struct ieee80211vap *); 309178354Ssamvoid ieee80211_init(void *); 310178354Ssamvoid ieee80211_start_all(struct ieee80211com *); 311178354Ssamvoid ieee80211_stop_locked(struct ieee80211vap *); 312178354Ssamvoid ieee80211_stop(struct ieee80211vap *); 313178354Ssamvoid ieee80211_stop_all(struct ieee80211com *); 314179391Ssamvoid ieee80211_suspend_all(struct ieee80211com *); 315179391Ssamvoid ieee80211_resume_all(struct ieee80211com *); 316178354Ssamvoid ieee80211_dturbo_switch(struct ieee80211vap *, int newflags); 317178354Ssamvoid ieee80211_swbmiss(void *arg); 318153349Ssamvoid ieee80211_beacon_miss(struct ieee80211com *); 319178354Ssamint ieee80211_new_state(struct ieee80211vap *, enum ieee80211_state, int); 320170530Ssamvoid ieee80211_print_essid(const uint8_t *, int); 321170530Ssamvoid ieee80211_dump_pkt(struct ieee80211com *, 322170530Ssam const uint8_t *, int, int, int); 323117811Ssam 324167283Ssamextern const char *ieee80211_opmode_name[]; 325117811Ssamextern const char *ieee80211_state_name[IEEE80211_S_MAX]; 326138568Ssamextern const char *ieee80211_wme_acnames[]; 327138568Ssam 328138568Ssam/* 329138568Ssam * Beacon frames constructed by ieee80211_beacon_alloc 330138568Ssam * have the following structure filled in so drivers 331138568Ssam * can update the frame later w/ minimal overhead. 332138568Ssam */ 333138568Ssamstruct ieee80211_beacon_offsets { 334172211Ssam uint8_t bo_flags[4]; /* update/state flags */ 335170530Ssam uint16_t *bo_caps; /* capabilities */ 336172211Ssam uint8_t *bo_cfp; /* start of CFParms element */ 337170530Ssam uint8_t *bo_tim; /* start of atim/dtim */ 338170530Ssam uint8_t *bo_wme; /* start of WME parameters */ 339186904Ssam uint8_t *bo_tdma; /* start of TDMA parameters */ 340172211Ssam uint8_t *bo_tim_trailer;/* start of fixed-size trailer */ 341170530Ssam uint16_t bo_tim_len; /* atim/dtim length in bytes */ 342172211Ssam uint16_t bo_tim_trailer_len;/* tim trailer length in bytes */ 343170530Ssam uint8_t *bo_erp; /* start of ERP element */ 344170530Ssam uint8_t *bo_htinfo; /* start of HT info element */ 345190451Ssam uint8_t *bo_ath; /* start of ATH parameters */ 346172211Ssam uint8_t *bo_appie; /* start of AppIE element */ 347172211Ssam uint16_t bo_appie_len; /* AppIE length in bytes */ 348199187Santoine uint16_t bo_csa_trailer_len; 349172211Ssam uint8_t *bo_csa; /* start of CSA element */ 350198242Srpaulo uint8_t *bo_meshconf; /* start of MESHCONF element */ 351198242Srpaulo uint8_t *bo_spare[3]; 352138568Ssam}; 353172211Ssamstruct mbuf *ieee80211_beacon_alloc(struct ieee80211_node *, 354172211Ssam struct ieee80211_beacon_offsets *); 355138568Ssam 356138568Ssam/* 357178354Ssam * Beacon frame updates are signaled through calls to iv_update_beacon 358172211Ssam * with one of the IEEE80211_BEACON_* tokens defined below. For devices 359172211Ssam * that construct beacon frames on the host this can trigger a rebuild 360172211Ssam * or defer the processing. For devices that offload beacon frame 361172211Ssam * handling this callback can be used to signal a rebuild. The bo_flags 362172211Ssam * array in the ieee80211_beacon_offsets structure is intended to record 363172211Ssam * deferred processing requirements; ieee80211_beacon_update uses the 364172211Ssam * state to optimize work. Since this structure is owned by the driver 365178354Ssam * and not visible to the 802.11 layer drivers must supply an iv_update_beacon 366172211Ssam * callback that marks the flag bits and schedules (as necessary) an update. 367172211Ssam */ 368172211Ssamenum { 369172211Ssam IEEE80211_BEACON_CAPS = 0, /* capabilities */ 370172211Ssam IEEE80211_BEACON_TIM = 1, /* DTIM/ATIM */ 371172211Ssam IEEE80211_BEACON_WME = 2, 372172211Ssam IEEE80211_BEACON_ERP = 3, /* Extended Rate Phy */ 373172211Ssam IEEE80211_BEACON_HTINFO = 4, /* HT Information */ 374172211Ssam IEEE80211_BEACON_APPIE = 5, /* Application IE's */ 375172211Ssam IEEE80211_BEACON_CFP = 6, /* CFParms */ 376172211Ssam IEEE80211_BEACON_CSA = 7, /* Channel Switch Announcement */ 377186904Ssam IEEE80211_BEACON_TDMA = 9, /* TDMA Info */ 378190451Ssam IEEE80211_BEACON_ATH = 10, /* ATH parameters */ 379198242Srpaulo IEEE80211_BEACON_MESHCONF = 11, /* Mesh Configuration */ 380172211Ssam}; 381172211Ssamint ieee80211_beacon_update(struct ieee80211_node *, 382172211Ssam struct ieee80211_beacon_offsets *, struct mbuf *, int mcast); 383172211Ssam 384178354Ssamvoid ieee80211_csa_startswitch(struct ieee80211com *, 385178354Ssam struct ieee80211_channel *, int mode, int count); 386178354Ssamvoid ieee80211_csa_completeswitch(struct ieee80211com *); 387193439Ssamvoid ieee80211_csa_cancelswitch(struct ieee80211com *); 388178354Ssamvoid ieee80211_cac_completeswitch(struct ieee80211vap *); 389178354Ssam 390172211Ssam/* 391138568Ssam * Notification methods called from the 802.11 state machine. 392138568Ssam * Note that while these are defined here, their implementation 393138568Ssam * is OS-specific. 394138568Ssam */ 395178354Ssamvoid ieee80211_notify_node_join(struct ieee80211_node *, int newassoc); 396178354Ssamvoid ieee80211_notify_node_leave(struct ieee80211_node *); 397178354Ssamvoid ieee80211_notify_scan_done(struct ieee80211vap *); 398178354Ssamvoid ieee80211_notify_wds_discover(struct ieee80211_node *); 399178354Ssamvoid ieee80211_notify_csa(struct ieee80211com *, 400178354Ssam const struct ieee80211_channel *, int mode, int count); 401178354Ssamvoid ieee80211_notify_radar(struct ieee80211com *, 402178354Ssam const struct ieee80211_channel *); 403178354Ssamenum ieee80211_notify_cac_event { 404178354Ssam IEEE80211_NOTIFY_CAC_START = 0, /* CAC timer started */ 405178354Ssam IEEE80211_NOTIFY_CAC_STOP = 1, /* CAC intentionally stopped */ 406178354Ssam IEEE80211_NOTIFY_CAC_RADAR = 2, /* CAC stopped due to radar detectio */ 407178354Ssam IEEE80211_NOTIFY_CAC_EXPIRE = 3, /* CAC expired w/o radar */ 408178354Ssam}; 409178354Ssamvoid ieee80211_notify_cac(struct ieee80211com *, 410178354Ssam const struct ieee80211_channel *, 411178354Ssam enum ieee80211_notify_cac_event); 412178354Ssamvoid ieee80211_notify_node_deauth(struct ieee80211_node *); 413178354Ssamvoid ieee80211_notify_node_auth(struct ieee80211_node *); 414178354Ssamvoid ieee80211_notify_country(struct ieee80211vap *, const uint8_t [], 415178354Ssam const uint8_t cc[2]); 416178354Ssamvoid ieee80211_notify_radio(struct ieee80211com *, int); 417116742Ssam#endif /* _NET80211_IEEE80211_PROTO_H_ */ 418