Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
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FreeBSD/Linux Kernel Cross Reference
sys/net80211/ieee80211_var.h
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1 /* $NetBSD: ieee80211_var.h,v 1.5 2003/12/14 09:56:53 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 1.10 2003/10/17 23:15:30 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 enum ieee80211_phytype { 54 IEEE80211_T_DS, /* direct sequence spread spectrum */ 55 IEEE80211_T_FH, /* frequency hopping */ 56 IEEE80211_T_OFDM, /* frequency division multiplexing */ 57 IEEE80211_T_TURBO, /* high rate OFDM, aka turbo mode */ 58 }; 59 #define IEEE80211_T_CCK IEEE80211_T_DS /* more common nomenclature */ 60 61 /* XXX not really a mode; there are really multiple PHY's */ 62 enum ieee80211_phymode { 63 IEEE80211_MODE_AUTO = 0, /* autoselect */ 64 IEEE80211_MODE_11A = 1, /* 5GHz, OFDM */ 65 IEEE80211_MODE_11B = 2, /* 2GHz, CCK */ 66 IEEE80211_MODE_11G = 3, /* 2GHz, OFDM */ 67 IEEE80211_MODE_FH = 4, /* 2GHz, GFSK */ 68 IEEE80211_MODE_TURBO = 5, /* 5GHz, OFDM, 2x clock */ 69 }; 70 #define IEEE80211_MODE_MAX (IEEE80211_MODE_TURBO+1) 71 72 enum ieee80211_opmode { 73 IEEE80211_M_STA = 1, /* infrastructure station */ 74 IEEE80211_M_IBSS = 0, /* IBSS (adhoc) station */ 75 IEEE80211_M_AHDEMO = 3, /* Old lucent compatible adhoc demo */ 76 IEEE80211_M_HOSTAP = 6, /* Software Access Point */ 77 IEEE80211_M_MONITOR = 8 /* Monitor mode */ 78 }; 79 80 /* 81 * Channels are specified by frequency and attributes. 82 */ 83 struct ieee80211_channel { 84 u_int16_t ic_freq; /* setting in Mhz */ 85 u_int16_t ic_flags; /* see below */ 86 }; 87 88 /* bits 0-3 are for private use by drivers */ 89 /* channel attributes */ 90 #define IEEE80211_CHAN_TURBO 0x0010 /* Turbo channel */ 91 #define IEEE80211_CHAN_CCK 0x0020 /* CCK channel */ 92 #define IEEE80211_CHAN_OFDM 0x0040 /* OFDM channel */ 93 #define IEEE80211_CHAN_2GHZ 0x0080 /* 2 GHz spectrum channel. */ 94 #define IEEE80211_CHAN_5GHZ 0x0100 /* 5 GHz spectrum channel */ 95 #define IEEE80211_CHAN_PASSIVE 0x0200 /* Only passive scan allowed */ 96 #define IEEE80211_CHAN_DYN 0x0400 /* Dynamic CCK-OFDM channel */ 97 #define IEEE80211_CHAN_GFSK 0x0800 /* GFSK channel (FHSS PHY) */ 98 99 /* 100 * Useful combinations of channel characteristics. 101 */ 102 #define IEEE80211_CHAN_FHSS \ 103 (IEEE80211_CHAN_2GHZ | IEEE80211_CHAN_GFSK) 104 #define IEEE80211_CHAN_A \ 105 (IEEE80211_CHAN_5GHZ | IEEE80211_CHAN_OFDM) 106 #define IEEE80211_CHAN_B \ 107 (IEEE80211_CHAN_2GHZ | IEEE80211_CHAN_CCK) 108 #define IEEE80211_CHAN_PUREG \ 109 (IEEE80211_CHAN_2GHZ | IEEE80211_CHAN_OFDM) 110 #define IEEE80211_CHAN_G \ 111 (IEEE80211_CHAN_2GHZ | IEEE80211_CHAN_DYN) 112 #define IEEE80211_CHAN_T \ 113 (IEEE80211_CHAN_5GHZ | IEEE80211_CHAN_OFDM | IEEE80211_CHAN_TURBO) 114 115 #define IEEE80211_IS_CHAN_FHSS(_c) \ 116 (((_c)->ic_flags & IEEE80211_CHAN_FHSS) == IEEE80211_CHAN_FHSS) 117 #define IEEE80211_IS_CHAN_A(_c) \ 118 (((_c)->ic_flags & IEEE80211_CHAN_A) == IEEE80211_CHAN_A) 119 #define IEEE80211_IS_CHAN_B(_c) \ 120 (((_c)->ic_flags & IEEE80211_CHAN_B) == IEEE80211_CHAN_B) 121 #define IEEE80211_IS_CHAN_PUREG(_c) \ 122 (((_c)->ic_flags & IEEE80211_CHAN_PUREG) == IEEE80211_CHAN_PUREG) 123 #define IEEE80211_IS_CHAN_G(_c) \ 124 (((_c)->ic_flags & IEEE80211_CHAN_G) == IEEE80211_CHAN_G) 125 #define IEEE80211_IS_CHAN_T(_c) \ 126 (((_c)->ic_flags & IEEE80211_CHAN_T) == IEEE80211_CHAN_T) 127 128 #define IEEE80211_IS_CHAN_2GHZ(_c) \ 129 (((_c)->ic_flags & IEEE80211_CHAN_2GHZ) != 0) 130 #define IEEE80211_IS_CHAN_5GHZ(_c) \ 131 (((_c)->ic_flags & IEEE80211_CHAN_5GHZ) != 0) 132 #define IEEE80211_IS_CHAN_OFDM(_c) \ 133 (((_c)->ic_flags & IEEE80211_CHAN_OFDM) != 0) 134 #define IEEE80211_IS_CHAN_CCK(_c) \ 135 (((_c)->ic_flags & IEEE80211_CHAN_CCK) != 0) 136 #define IEEE80211_IS_CHAN_GFSK(_c) \ 137 (((_c)->ic_flags & IEEE80211_CHAN_GFSK) != 0) 138 139 /* ni_chan encoding for FH phy */ 140 #define IEEE80211_FH_CHANMOD 80 141 #define IEEE80211_FH_CHAN(set,pat) (((set)-1)*IEEE80211_FH_CHANMOD+(pat)) 142 #define IEEE80211_FH_CHANSET(chan) ((chan)/IEEE80211_FH_CHANMOD+1) 143 #define IEEE80211_FH_CHANPAT(chan) ((chan)%IEEE80211_FH_CHANMOD) 144 145 #define IEEE80211_PS_SLEEP 0x1 /* STA is in power saving mode */ 146 147 #define IEEE80211_PS_MAX_QUEUE 50 /* maximum saved packets */ 148 149 struct ieee80211com { 150 #ifdef __NetBSD__ 151 struct ethercom ic_ec; 152 #else 153 struct arpcom ic_ac; 154 #endif 155 void (*ic_recv_mgmt)(struct ieee80211com *, 156 struct mbuf *, struct ieee80211_node *, 157 int, int, u_int32_t); 158 int (*ic_send_mgmt)(struct ieee80211com *, 159 struct ieee80211_node *, int, int); 160 int (*ic_newstate)(struct ieee80211com *, 161 enum ieee80211_state, int); 162 void (*ic_newassoc)(struct ieee80211com *, 163 struct ieee80211_node *, int); 164 int (*ic_set_tim)(struct ieee80211com *, int, int); 165 u_int8_t ic_myaddr[IEEE80211_ADDR_LEN]; 166 struct ieee80211_rateset ic_sup_rates[IEEE80211_MODE_MAX]; 167 struct ieee80211_channel ic_channels[IEEE80211_CHAN_MAX+1]; 168 u_char ic_chan_avail[roundup(IEEE80211_CHAN_MAX,NBBY)]; 169 u_char ic_chan_active[roundup(IEEE80211_CHAN_MAX, NBBY)]; 170 u_char ic_chan_scan[roundup(IEEE80211_CHAN_MAX,NBBY)]; 171 struct ifqueue ic_mgtq; 172 struct ifqueue ic_pwrsaveq; 173 u_int32_t ic_flags; /* state flags */ 174 u_int32_t ic_caps; /* capabilities */ 175 u_int16_t ic_modecaps; /* set of mode capabilities */ 176 u_int16_t ic_curmode; /* current mode */ 177 enum ieee80211_phytype ic_phytype; /* XXX wrong for multi-mode */ 178 enum ieee80211_opmode ic_opmode; /* operation mode */ 179 enum ieee80211_state ic_state; /* 802.11 state */ 180 u_int32_t ic_aid_bitmap[IEEE80211_MAX_AID / 32 + 1]; 181 u_int16_t ic_max_aid; 182 struct ifmedia ic_media; /* interface media config */ 183 #ifdef __FreeBSD__ 184 struct bpf_if *ic_rawbpf; /* packet filter structure */ 185 #else 186 caddr_t ic_rawbpf; /* packet filter structure */ 187 #endif 188 struct ieee80211_node *ic_bss; /* information for this node */ 189 struct ieee80211_channel *ic_ibss_chan; 190 int ic_fixed_rate; /* index to ic_sup_rates[] */ 191 u_int16_t ic_rtsthreshold; 192 u_int16_t ic_fragthreshold; 193 #ifdef __FreeBSD__ 194 struct mtx ic_nodelock; /* on node table */ 195 #endif 196 u_int ic_scangen; /* gen# for timeout scan */ 197 struct ieee80211_node *(*ic_node_alloc)(struct ieee80211com *); 198 void (*ic_node_free)(struct ieee80211com *, 199 struct ieee80211_node *); 200 void (*ic_node_copy)(struct ieee80211com *, 201 struct ieee80211_node *, 202 const struct ieee80211_node *); 203 u_int8_t (*ic_node_getrssi)(struct ieee80211com *, 204 struct ieee80211_node *); 205 TAILQ_HEAD(, ieee80211_node) ic_node; /* information of all nodes */ 206 LIST_HEAD(, ieee80211_node) ic_hash[IEEE80211_NODE_HASHSIZE]; 207 u_int16_t ic_lintval; /* listen interval */ 208 u_int16_t ic_holdover; /* PM hold over duration */ 209 u_int16_t ic_txmin; /* min tx retry count */ 210 u_int16_t ic_txmax; /* max tx retry count */ 211 u_int16_t ic_txlifetime; /* tx lifetime */ 212 u_int16_t ic_txpower; /* tx power setting (dbM) */ 213 u_int16_t ic_bmisstimeout;/* beacon miss threshold (ms) */ 214 int ic_mgt_timer; /* mgmt timeout */ 215 int ic_inact_timer; /* inactivity timer wait */ 216 int ic_des_esslen; 217 u_int8_t ic_des_essid[IEEE80211_NWID_LEN]; 218 struct ieee80211_channel *ic_des_chan; /* desired channel */ 219 u_int8_t ic_des_bssid[IEEE80211_ADDR_LEN]; 220 struct ieee80211_wepkey ic_nw_keys[IEEE80211_WEP_NKID]; 221 int ic_wep_txkey; /* default tx key index */ 222 void *ic_wep_ctx; /* wep crypt context */ 223 u_int32_t ic_iv; /* initial vector for wep */ 224 struct ieee80211_stats ic_stats; /* statistics */ 225 }; 226 #ifdef __NetBSD__ 227 #define ic_if ic_ec.ec_if 228 #else 229 #define ic_if ic_ac.ac_if 230 #endif 231 #define ic_softc ic_if.if_softc 232 233 #define IEEE80211_ADDR_EQ(a1,a2) (memcmp(a1,a2,IEEE80211_ADDR_LEN) == 0) 234 #define IEEE80211_ADDR_COPY(dst,src) memcpy(dst,src,IEEE80211_ADDR_LEN) 235 236 /* ic_flags */ 237 #define IEEE80211_F_ASCAN 0x00000001 /* STATUS: active scan */ 238 #define IEEE80211_F_SIBSS 0x00000002 /* STATUS: start IBSS */ 239 #define IEEE80211_F_WEPON 0x00000100 /* CONF: WEP enabled */ 240 #define IEEE80211_F_IBSSON 0x00000200 /* CONF: IBSS creation enable */ 241 #define IEEE80211_F_PMGTON 0x00000400 /* CONF: Power mgmt enable */ 242 #define IEEE80211_F_DESBSSID 0x00000800 /* CONF: des_bssid is set */ 243 #define IEEE80211_F_SCANAP 0x00001000 /* CONF: Scanning AP */ 244 #define IEEE80211_F_ROAMING 0x00002000 /* CONF: roaming enabled */ 245 #define IEEE80211_F_SWRETRY 0x00004000 /* CONF: sw tx retry enabled */ 246 #define IEEE80211_F_TXPMGT 0x00018000 /* STATUS: tx power */ 247 #define IEEE80211_F_TXPOW_OFF 0x00000000 /* TX Power: radio disabled */ 248 #define IEEE80211_F_TXPOW_FIXED 0x00008000 /* TX Power: fixed rate */ 249 #define IEEE80211_F_TXPOW_AUTO 0x00010000 /* TX Power: undefined */ 250 #define IEEE80211_F_SHSLOT 0x00020000 /* CONF: short slot time */ 251 #define IEEE80211_F_SHPREAMBLE 0x00040000 /* CONF: short preamble */ 252 253 /* ic_caps */ 254 #define IEEE80211_C_WEP 0x00000001 /* CAPABILITY: WEP available */ 255 #define IEEE80211_C_IBSS 0x00000002 /* CAPABILITY: IBSS available */ 256 #define IEEE80211_C_PMGT 0x00000004 /* CAPABILITY: Power mgmt */ 257 #define IEEE80211_C_HOSTAP 0x00000008 /* CAPABILITY: HOSTAP avail */ 258 #define IEEE80211_C_AHDEMO 0x00000010 /* CAPABILITY: Old Adhoc Demo */ 259 #define IEEE80211_C_SWRETRY 0x00000020 /* CAPABILITY: sw tx retry */ 260 #define IEEE80211_C_TXPMGT 0x00000040 /* CAPABILITY: tx power mgmt */ 261 #define IEEE80211_C_SHSLOT 0x00000080 /* CAPABILITY: short slottime */ 262 #define IEEE80211_C_SHPREAMBLE 0x00000100 /* CAPABILITY: short preamble */ 263 #define IEEE80211_C_MONITOR 0x00000200 /* CAPABILITY: monitor mode */ 264 #define IEEE80211_C_RCVMGT 0x00000400 /* CAPABILITY: rcv mgt frames */ 265 266 /* flags for ieee80211_fix_rate() */ 267 #define IEEE80211_F_DOSORT 0x00000001 /* sort rate list */ 268 #define IEEE80211_F_DOFRATE 0x00000002 /* use fixed rate */ 269 #define IEEE80211_F_DONEGO 0x00000004 /* calc negotiated rate */ 270 #define IEEE80211_F_DODEL 0x00000008 /* delete ignore rate */ 271 272 void ieee80211_ifattach(struct ifnet *); 273 void ieee80211_ifdetach(struct ifnet *); 274 void ieee80211_media_init(struct ifnet *, ifm_change_cb_t, ifm_stat_cb_t); 275 int ieee80211_media_change(struct ifnet *); 276 void ieee80211_media_status(struct ifnet *, struct ifmediareq *); 277 int ieee80211_ioctl(struct ifnet *, u_long, caddr_t); 278 int ieee80211_get_rate(struct ieee80211com *); 279 int ieee80211_cfgget(struct ifnet *, u_long, caddr_t); 280 int ieee80211_cfgset(struct ifnet *, u_long, caddr_t); 281 void ieee80211_watchdog(struct ifnet *); 282 int ieee80211_fix_rate(struct ieee80211com *, struct ieee80211_node *, int); 283 int ieee80211_rate2media(struct ieee80211com *, int, 284 enum ieee80211_phymode); 285 int ieee80211_media2rate(int); 286 u_int ieee80211_mhz2ieee(u_int, u_int); 287 u_int ieee80211_chan2ieee(struct ieee80211com *, struct ieee80211_channel *); 288 u_int ieee80211_ieee2mhz(u_int, u_int); 289 int ieee80211_setmode(struct ieee80211com *, enum ieee80211_phymode); 290 enum ieee80211_phymode ieee80211_chan2mode(struct ieee80211com *, 291 struct ieee80211_channel *); 292 293 #ifdef IEEE80211_DEBUG 294 extern int ieee80211_debug; 295 #define IEEE80211_DPRINTF(X) if (ieee80211_debug) printf X 296 #define IEEE80211_DPRINTF2(X) if (ieee80211_debug>1) printf X 297 #else 298 #define IEEE80211_DPRINTF(X) 299 #define IEEE80211_DPRINTF2(X) 300 #endif 301 302 #endif /* _NET80211_IEEE80211_VAR_H_ */
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