ieee80211_var.h revision 1.8
1 /* $NetBSD: ieee80211_var.h,v 1.8 2004/07/16 02:36:58 dyoung Exp $ */ 2 /*- 3 * Copyright (c) 2001 Atsushi Onoe 4 * Copyright (c) 2002, 2003 Sam Leffler, Errno Consulting 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. The name of the author may not be used to endorse or promote products 16 * derived from this software without specific prior written permission. 17 * 18 * Alternatively, this software may be distributed under the terms of the 19 * GNU General Public License ("GPL") version 2 as published by the Free 20 * Software Foundation. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 23 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 24 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 25 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 26 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 27 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 28 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 29 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 30 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 31 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 32 * 33 * $FreeBSD: src/sys/net80211/ieee80211_var.h,v 1.15 2004/04/05 22:10:26 sam Exp $ 34 */ 35 #ifndef _NET80211_IEEE80211_VAR_H_ 36 #define _NET80211_IEEE80211_VAR_H_ 37 38 /* 39 * Definitions for IEEE 802.11 drivers. 40 */ 41 42 #include <net80211/ieee80211.h> 43 #include <net80211/ieee80211_crypto.h> 44 #include <net80211/ieee80211_ioctl.h> /* for ieee80211_stats */ 45 #include <net80211/ieee80211_node.h> 46 #include <net80211/ieee80211_proto.h> 47 48 #define IEEE80211_CHAN_MAX 255 49 #define IEEE80211_CHAN_ANY 0xffff /* token for ``any channel'' */ 50 #define IEEE80211_CHAN_ANYC \ 51 ((struct ieee80211_channel *) IEEE80211_CHAN_ANY) 52 53 #define IEEE80211_TXPOWER_MAX 100 /* max power */ 54 #define IEEE80211_TXPOWER_MIN 0 /* kill radio (if possible) */ 55 56 enum ieee80211_phytype { 57 IEEE80211_T_DS, /* direct sequence spread spectrum */ 58 IEEE80211_T_FH, /* frequency hopping */ 59 IEEE80211_T_OFDM, /* frequency division multiplexing */ 60 IEEE80211_T_TURBO, /* high rate OFDM, aka turbo mode */ 61 }; 62 #define IEEE80211_T_CCK IEEE80211_T_DS /* more common nomenclature */ 63 64 /* XXX not really a mode; there are really multiple PHY's */ 65 enum ieee80211_phymode { 66 IEEE80211_MODE_AUTO = 0, /* autoselect */ 67 IEEE80211_MODE_11A = 1, /* 5GHz, OFDM */ 68 IEEE80211_MODE_11B = 2, /* 2GHz, CCK */ 69 IEEE80211_MODE_11G = 3, /* 2GHz, OFDM */ 70 IEEE80211_MODE_FH = 4, /* 2GHz, GFSK */ 71 IEEE80211_MODE_TURBO = 5, /* 5GHz, OFDM, 2x clock */ 72 }; 73 #define IEEE80211_MODE_MAX (IEEE80211_MODE_TURBO+1) 74 75 enum ieee80211_opmode { 76 IEEE80211_M_STA = 1, /* infrastructure station */ 77 IEEE80211_M_IBSS = 0, /* IBSS (adhoc) station */ 78 IEEE80211_M_AHDEMO = 3, /* Old lucent compatible adhoc demo */ 79 IEEE80211_M_HOSTAP = 6, /* Software Access Point */ 80 IEEE80211_M_MONITOR = 8 /* Monitor mode */ 81 }; 82 83 /* 84 * 802.11g protection mode. 85 */ 86 enum ieee80211_protmode { 87 IEEE80211_PROT_NONE = 0, /* no protection */ 88 IEEE80211_PROT_CTSONLY = 1, /* CTS to self */ 89 IEEE80211_PROT_RTSCTS = 2, /* RTS-CTS */ 90 }; 91 92 /* 93 * Channels are specified by frequency and attributes. 94 */ 95 struct ieee80211_channel { 96 u_int16_t ic_freq; /* setting in Mhz */ 97 u_int16_t ic_flags; /* see below */ 98 }; 99 100 /* bits 0-3 are for private use by drivers */ 101 /* channel attributes */ 102 #define IEEE80211_CHAN_TURBO 0x0010 /* Turbo channel */ 103 #define IEEE80211_CHAN_CCK 0x0020 /* CCK channel */ 104 #define IEEE80211_CHAN_OFDM 0x0040 /* OFDM channel */ 105 #define IEEE80211_CHAN_2GHZ 0x0080 /* 2 GHz spectrum channel. */ 106 #define IEEE80211_CHAN_5GHZ 0x0100 /* 5 GHz spectrum channel */ 107 #define IEEE80211_CHAN_PASSIVE 0x0200 /* Only passive scan allowed */ 108 #define IEEE80211_CHAN_DYN 0x0400 /* Dynamic CCK-OFDM channel */ 109 #define IEEE80211_CHAN_GFSK 0x0800 /* GFSK channel (FHSS PHY) */ 110 111 /* 112 * Useful combinations of channel characteristics. 113 */ 114 #define IEEE80211_CHAN_FHSS \ 115 (IEEE80211_CHAN_2GHZ | IEEE80211_CHAN_GFSK) 116 #define IEEE80211_CHAN_A \ 117 (IEEE80211_CHAN_5GHZ | IEEE80211_CHAN_OFDM) 118 #define IEEE80211_CHAN_B \ 119 (IEEE80211_CHAN_2GHZ | IEEE80211_CHAN_CCK) 120 #define IEEE80211_CHAN_PUREG \ 121 (IEEE80211_CHAN_2GHZ | IEEE80211_CHAN_OFDM) 122 #define IEEE80211_CHAN_G \ 123 (IEEE80211_CHAN_2GHZ | IEEE80211_CHAN_DYN) 124 #define IEEE80211_CHAN_T \ 125 (IEEE80211_CHAN_5GHZ | IEEE80211_CHAN_OFDM | IEEE80211_CHAN_TURBO) 126 127 #define IEEE80211_IS_CHAN_FHSS(_c) \ 128 (((_c)->ic_flags & IEEE80211_CHAN_FHSS) == IEEE80211_CHAN_FHSS) 129 #define IEEE80211_IS_CHAN_A(_c) \ 130 (((_c)->ic_flags & IEEE80211_CHAN_A) == IEEE80211_CHAN_A) 131 #define IEEE80211_IS_CHAN_B(_c) \ 132 (((_c)->ic_flags & IEEE80211_CHAN_B) == IEEE80211_CHAN_B) 133 #define IEEE80211_IS_CHAN_PUREG(_c) \ 134 (((_c)->ic_flags & IEEE80211_CHAN_PUREG) == IEEE80211_CHAN_PUREG) 135 #define IEEE80211_IS_CHAN_G(_c) \ 136 (((_c)->ic_flags & IEEE80211_CHAN_G) == IEEE80211_CHAN_G) 137 #define IEEE80211_IS_CHAN_T(_c) \ 138 (((_c)->ic_flags & IEEE80211_CHAN_T) == IEEE80211_CHAN_T) 139 140 #define IEEE80211_IS_CHAN_2GHZ(_c) \ 141 (((_c)->ic_flags & IEEE80211_CHAN_2GHZ) != 0) 142 #define IEEE80211_IS_CHAN_5GHZ(_c) \ 143 (((_c)->ic_flags & IEEE80211_CHAN_5GHZ) != 0) 144 #define IEEE80211_IS_CHAN_OFDM(_c) \ 145 (((_c)->ic_flags & IEEE80211_CHAN_OFDM) != 0) 146 #define IEEE80211_IS_CHAN_CCK(_c) \ 147 (((_c)->ic_flags & IEEE80211_CHAN_CCK) != 0) 148 #define IEEE80211_IS_CHAN_GFSK(_c) \ 149 (((_c)->ic_flags & IEEE80211_CHAN_GFSK) != 0) 150 151 /* ni_chan encoding for FH phy */ 152 #define IEEE80211_FH_CHANMOD 80 153 #define IEEE80211_FH_CHAN(set,pat) (((set)-1)*IEEE80211_FH_CHANMOD+(pat)) 154 #define IEEE80211_FH_CHANSET(chan) ((chan)/IEEE80211_FH_CHANMOD+1) 155 #define IEEE80211_FH_CHANPAT(chan) ((chan)%IEEE80211_FH_CHANMOD) 156 157 #define IEEE80211_PS_SLEEP 0x1 /* STA is in power saving mode */ 158 159 #define IEEE80211_PS_MAX_QUEUE 50 /* maximum saved packets */ 160 161 struct ieee80211com { 162 #ifdef __NetBSD__ 163 struct ethercom ic_ec; 164 #else 165 struct arpcom ic_ac; 166 #endif 167 LIST_ENTRY(ieee80211com) ic_list; /* chain of all ieee80211com */ 168 void (*ic_recv_mgmt)(struct ieee80211com *, 169 struct mbuf *, struct ieee80211_node *, 170 int, int, u_int32_t); 171 int (*ic_send_mgmt)(struct ieee80211com *, 172 struct ieee80211_node *, int, int); 173 int (*ic_newstate)(struct ieee80211com *, 174 enum ieee80211_state, int); 175 void (*ic_newassoc)(struct ieee80211com *, 176 struct ieee80211_node *, int); 177 int (*ic_set_tim)(struct ieee80211com *, int, int); 178 u_int8_t ic_myaddr[IEEE80211_ADDR_LEN]; 179 struct ieee80211_rateset ic_sup_rates[IEEE80211_MODE_MAX]; 180 struct ieee80211_channel ic_channels[IEEE80211_CHAN_MAX+1]; 181 u_char ic_chan_avail[roundup(IEEE80211_CHAN_MAX,NBBY)]; 182 u_char ic_chan_active[roundup(IEEE80211_CHAN_MAX, NBBY)]; 183 u_char ic_chan_scan[roundup(IEEE80211_CHAN_MAX,NBBY)]; 184 struct ifqueue ic_mgtq; 185 struct ifqueue ic_pwrsaveq; 186 u_int32_t ic_flags; /* state flags */ 187 u_int32_t ic_caps; /* capabilities */ 188 u_int16_t ic_modecaps; /* set of mode capabilities */ 189 u_int16_t ic_curmode; /* current mode */ 190 enum ieee80211_phytype ic_phytype; /* XXX wrong for multi-mode */ 191 enum ieee80211_opmode ic_opmode; /* operation mode */ 192 enum ieee80211_state ic_state; /* 802.11 state */ 193 u_int32_t ic_aid_bitmap[IEEE80211_MAX_AID / 32 + 1]; 194 u_int16_t ic_max_aid; 195 enum ieee80211_protmode ic_protmode; /* 802.11g protection mode */ 196 struct ifmedia ic_media; /* interface media config */ 197 #ifdef __FreeBSD__ 198 struct bpf_if *ic_rawbpf; /* packet filter structure */ 199 #else 200 caddr_t ic_rawbpf; /* packet filter structure */ 201 #endif 202 struct ieee80211_node *ic_bss; /* information for this node */ 203 struct ieee80211_channel *ic_ibss_chan; 204 int ic_fixed_rate; /* index to ic_sup_rates[] */ 205 u_int16_t ic_rtsthreshold; 206 u_int16_t ic_fragthreshold; 207 #ifdef __FreeBSD__ 208 struct mtx ic_nodelock; /* on node table */ 209 #endif 210 u_int ic_scangen; /* gen# for timeout scan */ 211 struct ieee80211_node *(*ic_node_alloc)(struct ieee80211com *); 212 void (*ic_node_free)(struct ieee80211com *, 213 struct ieee80211_node *); 214 void (*ic_node_copy)(struct ieee80211com *, 215 struct ieee80211_node *, 216 const struct ieee80211_node *); 217 u_int8_t (*ic_node_getrssi)(struct ieee80211com *, 218 struct ieee80211_node *); 219 TAILQ_HEAD(, ieee80211_node) ic_node; /* information of all nodes */ 220 LIST_HEAD(, ieee80211_node) ic_hash[IEEE80211_NODE_HASHSIZE]; 221 u_int16_t ic_lintval; /* listen interval */ 222 u_int16_t ic_holdover; /* PM hold over duration */ 223 u_int16_t ic_txmin; /* min tx retry count */ 224 u_int16_t ic_txmax; /* max tx retry count */ 225 u_int16_t ic_txlifetime; /* tx lifetime */ 226 u_int16_t ic_txpower; /* tx power setting (dbM) */ 227 u_int16_t ic_bmisstimeout;/* beacon miss threshold (ms) */ 228 int ic_mgt_timer; /* mgmt timeout */ 229 int ic_inact_timer; /* inactivity timer wait */ 230 int ic_des_esslen; 231 u_int8_t ic_des_essid[IEEE80211_NWID_LEN]; 232 struct ieee80211_channel *ic_des_chan; /* desired channel */ 233 u_int8_t ic_des_bssid[IEEE80211_ADDR_LEN]; 234 struct ieee80211_wepkey ic_nw_keys[IEEE80211_WEP_NKID]; 235 int ic_wep_txkey; /* default tx key index */ 236 void *ic_wep_ctx; /* wep crypt context */ 237 u_int32_t ic_iv; /* initial vector for wep */ 238 struct ieee80211_stats ic_stats; /* statistics */ 239 }; 240 #ifdef __NetBSD__ 241 #define ic_if ic_ec.ec_if 242 #else 243 #define ic_if ic_ac.ac_if 244 #endif 245 #define ic_softc ic_if.if_softc 246 247 LIST_HEAD(ieee80211com_head, ieee80211com); 248 249 extern struct ieee80211com_head ieee80211com_head; 250 251 #define IEEE80211_ADDR_EQ(a1,a2) (memcmp(a1,a2,IEEE80211_ADDR_LEN) == 0) 252 #define IEEE80211_ADDR_COPY(dst,src) memcpy(dst,src,IEEE80211_ADDR_LEN) 253 254 /* ic_flags */ 255 #define IEEE80211_F_ASCAN 0x00000001 /* STATUS: active scan */ 256 #define IEEE80211_F_SIBSS 0x00000002 /* STATUS: start IBSS */ 257 #define IEEE80211_F_WEPON 0x00000100 /* CONF: WEP enabled */ 258 #define IEEE80211_F_IBSSON 0x00000200 /* CONF: IBSS creation enable */ 259 #define IEEE80211_F_PMGTON 0x00000400 /* CONF: Power mgmt enable */ 260 #define IEEE80211_F_DESBSSID 0x00000800 /* CONF: des_bssid is set */ 261 #define IEEE80211_F_SCANAP 0x00001000 /* CONF: Scanning AP */ 262 #define IEEE80211_F_ROAMING 0x00002000 /* CONF: roaming enabled */ 263 #define IEEE80211_F_SWRETRY 0x00004000 /* CONF: sw tx retry enabled */ 264 #define IEEE80211_F_TXPMGT 0x00018000 /* STATUS: tx power */ 265 #define IEEE80211_F_TXPOW_OFF 0x00000000 /* TX Power: radio disabled */ 266 #define IEEE80211_F_TXPOW_FIXED 0x00008000 /* TX Power: fixed rate */ 267 #define IEEE80211_F_TXPOW_AUTO 0x00010000 /* TX Power: undefined */ 268 #define IEEE80211_F_SHSLOT 0x00020000 /* CONF: short slot time */ 269 #define IEEE80211_F_SHPREAMBLE 0x00040000 /* CONF: short preamble */ 270 #define IEEE80211_F_USEPROT 0x00100000 /* STATUS: protection enabled */ 271 #define IEEE80211_F_USEBARKER 0x00200000 /* STATUS: use barker preamble*/ 272 273 /* ic_caps */ 274 #define IEEE80211_C_WEP 0x00000001 /* CAPABILITY: WEP available */ 275 #define IEEE80211_C_IBSS 0x00000002 /* CAPABILITY: IBSS available */ 276 #define IEEE80211_C_PMGT 0x00000004 /* CAPABILITY: Power mgmt */ 277 #define IEEE80211_C_HOSTAP 0x00000008 /* CAPABILITY: HOSTAP avail */ 278 #define IEEE80211_C_AHDEMO 0x00000010 /* CAPABILITY: Old Adhoc Demo */ 279 #define IEEE80211_C_SWRETRY 0x00000020 /* CAPABILITY: sw tx retry */ 280 #define IEEE80211_C_TXPMGT 0x00000040 /* CAPABILITY: tx power mgmt */ 281 #define IEEE80211_C_SHSLOT 0x00000080 /* CAPABILITY: short slottime */ 282 #define IEEE80211_C_SHPREAMBLE 0x00000100 /* CAPABILITY: short preamble */ 283 #define IEEE80211_C_MONITOR 0x00000200 /* CAPABILITY: monitor mode */ 284 285 /* flags for ieee80211_fix_rate() */ 286 #define IEEE80211_F_DOSORT 0x00000001 /* sort rate list */ 287 #define IEEE80211_F_DOFRATE 0x00000002 /* use fixed rate */ 288 #define IEEE80211_F_DONEGO 0x00000004 /* calc negotiated rate */ 289 #define IEEE80211_F_DODEL 0x00000008 /* delete ignore rate */ 290 291 void ieee80211_ifattach(struct ifnet *); 292 void ieee80211_ifdetach(struct ifnet *); 293 void ieee80211_media_init(struct ifnet *, ifm_change_cb_t, ifm_stat_cb_t); 294 int ieee80211_media_change(struct ifnet *); 295 void ieee80211_media_status(struct ifnet *, struct ifmediareq *); 296 int ieee80211_ioctl(struct ifnet *, u_long, caddr_t); 297 int ieee80211_get_rate(struct ieee80211com *); 298 int ieee80211_cfgget(struct ifnet *, u_long, caddr_t); 299 int ieee80211_cfgset(struct ifnet *, u_long, caddr_t); 300 void ieee80211_watchdog(struct ifnet *); 301 int ieee80211_fix_rate(struct ieee80211com *, struct ieee80211_node *, int); 302 int ieee80211_rate2media(struct ieee80211com *, int, 303 enum ieee80211_phymode); 304 int ieee80211_media2rate(int); 305 u_int ieee80211_mhz2ieee(u_int, u_int); 306 u_int ieee80211_chan2ieee(struct ieee80211com *, struct ieee80211_channel *); 307 u_int ieee80211_ieee2mhz(u_int, u_int); 308 int ieee80211_setmode(struct ieee80211com *, enum ieee80211_phymode); 309 enum ieee80211_phymode ieee80211_chan2mode(struct ieee80211com *, 310 struct ieee80211_channel *); 311 312 #ifdef IEEE80211_DEBUG 313 extern int ieee80211_debug; 314 #define IEEE80211_DPRINTF(X) if (ieee80211_debug) printf X 315 #define IEEE80211_DPRINTF2(X) if (ieee80211_debug>1) printf X 316 #else 317 #define IEEE80211_DPRINTF(X) 318 #define IEEE80211_DPRINTF2(X) 319 #endif 320 321 extern int ieee80211_inact_max; 322 323 #endif /* _NET80211_IEEE80211_VAR_H_ */ 324
Indexes created Thu Oct 02 10:09:58 GMT 2025