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 1.18 2004/08/10 00:57:22 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 /* NB: portability glue must go first */ 43 #ifdef __NetBSD__ 44 #include <net80211/ieee80211_netbsd.h> 45 #elif __FreeBSD__ 46 #include <net80211/ieee80211_freebsd.h> 47 #elif __linux__ 48 #include <net80211/ieee80211_linux.h> 49 #else 50 #error "No support for your operating system!" 51 #endif 52 53 #include <sys/queue.h> 54 55 #include <net80211/ieee80211.h> 56 #include <net80211/ieee80211_crypto.h> 57 #include <net80211/ieee80211_ioctl.h> /* for ieee80211_stats */ 58 #include <net80211/ieee80211_node.h> 59 #include <net80211/ieee80211_proto.h> 60 #include <net80211/ieee80211_channel.h> 61 62 #define IEEE80211_CHAN_MAX 255 63 #define IEEE80211_CHAN_ANY 0xffff /* token for ``any channel'' */ 64 #define IEEE80211_CHAN_ANYC \ 65 ((struct ieee80211_channel *) IEEE80211_CHAN_ANY) 66 67 #define IEEE80211_TXPOWER_MAX 100 /* max power */ 68 #define IEEE80211_TXPOWER_MIN 0 /* kill radio (if possible) */ 69 70 enum ieee80211_phytype { 71 IEEE80211_T_DS, /* direct sequence spread spectrum */ 72 IEEE80211_T_FH, /* frequency hopping */ 73 IEEE80211_T_OFDM, /* frequency division multiplexing */ 74 IEEE80211_T_TURBO, /* high rate OFDM, aka turbo mode */ 75 }; 76 #define IEEE80211_T_CCK IEEE80211_T_DS /* more common nomenclature */ 77 78 /* XXX not really a mode; there are really multiple PHY's */ 79 enum ieee80211_phymode { 80 IEEE80211_MODE_AUTO = 0, /* autoselect */ 81 IEEE80211_MODE_11A = 1, /* 5GHz, OFDM */ 82 IEEE80211_MODE_11B = 2, /* 2GHz, CCK */ 83 IEEE80211_MODE_11G = 3, /* 2GHz, OFDM */ 84 IEEE80211_MODE_FH = 4, /* 2GHz, GFSK */ 85 IEEE80211_MODE_TURBO = 5, /* 5GHz, OFDM, 2x clock */ 86 }; 87 #define IEEE80211_MODE_MAX (IEEE80211_MODE_TURBO+1) 88 89 enum ieee80211_opmode { 90 IEEE80211_M_STA = 1, /* infrastructure station */ 91 IEEE80211_M_IBSS = 0, /* IBSS (adhoc) station */ 92 IEEE80211_M_AHDEMO = 3, /* Old lucent compatible adhoc demo */ 93 IEEE80211_M_HOSTAP = 6, /* Software Access Point */ 94 IEEE80211_M_MONITOR = 8 /* Monitor mode */ 95 }; 96 97 /* 98 * 802.11g protection mode. 99 */ 100 enum ieee80211_protmode { 101 IEEE80211_PROT_NONE = 0, /* no protection */ 102 IEEE80211_PROT_CTSONLY = 1, /* CTS to self */ 103 IEEE80211_PROT_RTSCTS = 2, /* RTS-CTS */ 104 }; 105 106 /* ni_chan encoding for FH phy */ 107 #define IEEE80211_FH_CHANMOD 80 108 #define IEEE80211_FH_CHAN(set,pat) (((set)-1)*IEEE80211_FH_CHANMOD+(pat)) 109 #define IEEE80211_FH_CHANSET(chan) ((chan)/IEEE80211_FH_CHANMOD+1) 110 #define IEEE80211_FH_CHANPAT(chan) ((chan)%IEEE80211_FH_CHANMOD) 111 112 #define IEEE80211_PS_SLEEP 0x1 /* STA is in power saving mode */ 113 114 #define IEEE80211_PS_MAX_QUEUE 50 /* maximum saved packets */ 115 116 struct ieee80211com { 117 #ifdef __NetBSD__ 118 struct ethercom ic_ec; 119 #else 120 struct arpcom ic_ac; 121 #endif 122 LIST_ENTRY(ieee80211com) ic_list; /* chain of all ieee80211com */ 123 void (*ic_recv_mgmt)(struct ieee80211com *, 124 struct mbuf *, struct ieee80211_node *, 125 int, int, u_int32_t); 126 int (*ic_send_mgmt)(struct ieee80211com *, 127 struct ieee80211_node *, int, int); 128 int (*ic_newstate)(struct ieee80211com *, 129 enum ieee80211_state, int); 130 void (*ic_newassoc)(struct ieee80211com *, 131 struct ieee80211_node *, int); 132 int (*ic_set_tim)(struct ieee80211com *, int, int); 133 u_int8_t ic_myaddr[IEEE80211_ADDR_LEN]; 134 struct ieee80211_rateset ic_sup_rates[IEEE80211_MODE_MAX]; 135 struct ieee80211_channel ic_channels[IEEE80211_CHAN_MAX+1]; 136 u_char ic_chan_avail[roundup(IEEE80211_CHAN_MAX,NBBY)]; 137 u_char ic_chan_active[roundup(IEEE80211_CHAN_MAX, NBBY)]; 138 u_char ic_chan_scan[roundup(IEEE80211_CHAN_MAX,NBBY)]; 139 struct ifqueue ic_mgtq; 140 struct ifqueue ic_pwrsaveq; 141 u_int32_t ic_flags; /* state flags */ 142 u_int32_t ic_caps; /* capabilities */ 143 u_int16_t ic_modecaps; /* set of mode capabilities */ 144 u_int16_t ic_curmode; /* current mode */ 145 enum ieee80211_phytype ic_phytype; /* XXX wrong for multi-mode */ 146 enum ieee80211_opmode ic_opmode; /* operation mode */ 147 enum ieee80211_state ic_state; /* 802.11 state */ 148 enum ieee80211_protmode ic_protmode; /* 802.11g protection mode */ 149 u_int32_t *ic_aid_bitmap; 150 u_int16_t ic_max_aid; 151 struct ifmedia ic_media; /* interface media config */ 152 #ifdef __FreeBSD__ 153 struct bpf_if *ic_rawbpf; /* packet filter structure */ 154 #else 155 caddr_t ic_rawbpf; /* packet filter structure */ 156 #endif 157 struct ieee80211_node *ic_bss; /* information for this node */ 158 struct ieee80211_channel *ic_ibss_chan; 159 int ic_fixed_rate; /* index to ic_sup_rates[] */ 160 u_int16_t ic_rtsthreshold; 161 u_int16_t ic_fragthreshold; 162 ieee80211_node_lock_t ic_nodelock; /* on node table */ 163 u_int ic_scangen; /* gen# for timeout scan */ 164 struct ieee80211_node *(*ic_node_alloc)(struct ieee80211com *); 165 void (*ic_node_free)(struct ieee80211com *, 166 struct ieee80211_node *); 167 void (*ic_node_copy)(struct ieee80211com *, 168 struct ieee80211_node *, 169 const struct ieee80211_node *); 170 u_int8_t (*ic_node_getrssi)(struct ieee80211com *, 171 struct ieee80211_node *); 172 TAILQ_HEAD(, ieee80211_node) ic_node; /* information of all nodes 173 * LRU at tail 174 */ 175 int ic_nnodes; /* length of ic_nnodes */ 176 int ic_max_nnodes; /* max length of ic_nnodes */ 177 LIST_HEAD(, ieee80211_node) ic_hash[IEEE80211_NODE_HASHSIZE]; 178 u_int16_t ic_lintval; /* listen interval */ 179 u_int16_t ic_holdover; /* PM hold over duration */ 180 u_int16_t ic_txmin; /* min tx retry count */ 181 u_int16_t ic_txmax; /* max tx retry count */ 182 u_int16_t ic_txlifetime; /* tx lifetime */ 183 u_int16_t ic_txpower; /* tx power setting (dbM) */ 184 u_int16_t ic_bmisstimeout;/* beacon miss threshold (ms) */ 185 int ic_mgt_timer; /* mgmt timeout */ 186 int ic_inact_timer; /* inactivity timer wait */ 187 int ic_des_esslen; 188 u_int8_t ic_des_essid[IEEE80211_NWID_LEN]; 189 struct ieee80211_channel *ic_des_chan; /* desired channel */ 190 u_int8_t ic_des_bssid[IEEE80211_ADDR_LEN]; 191 struct ieee80211_wepkey ic_nw_keys[IEEE80211_WEP_NKID]; 192 int ic_wep_txkey; /* default tx key index */ 193 void *ic_wep_ctx; /* wep crypt context */ 194 u_int32_t ic_iv; /* initial vector for wep */ 195 struct ieee80211_stats ic_stats; /* statistics */ 196 struct timeval ic_last_merge_print; /* for rate-limiting 197 * IBSS merge print-outs 198 */ 199 }; 200 #ifdef __NetBSD__ 201 #define ic_if ic_ec.ec_if 202 #else 203 #define ic_if ic_ac.ac_if 204 #endif 205 #define ic_softc ic_if.if_softc 206 207 LIST_HEAD(ieee80211com_head, ieee80211com); 208 209 extern struct ieee80211com_head ieee80211com_head; 210 211 #define IEEE80211_ADDR_EQ(a1,a2) (memcmp(a1,a2,IEEE80211_ADDR_LEN) == 0) 212 #define IEEE80211_ADDR_COPY(dst,src) memcpy(dst,src,IEEE80211_ADDR_LEN) 213 214 /* ic_flags */ 215 #define IEEE80211_F_ASCAN 0x00000001 /* STATUS: active scan */ 216 #define IEEE80211_F_SIBSS 0x00000002 /* STATUS: start IBSS */ 217 #define IEEE80211_F_PRIVACY 0x00000100 /* CONF: WEP enabled */ 218 #define IEEE80211_F_IBSSON 0x00000200 /* CONF: IBSS creation enable */ 219 #define IEEE80211_F_PMGTON 0x00000400 /* CONF: Power mgmt enable */ 220 #define IEEE80211_F_DESBSSID 0x00000800 /* CONF: des_bssid is set */ 221 #define IEEE80211_F_SCANAP 0x00001000 /* CONF: Scanning AP */ 222 #define IEEE80211_F_ROAMING 0x00002000 /* CONF: roaming enabled */ 223 #define IEEE80211_F_SWRETRY 0x00004000 /* CONF: sw tx retry enabled */ 224 #define IEEE80211_F_TXPMGT 0x00018000 /* STATUS: tx power */ 225 #define IEEE80211_F_TXPOW_OFF 0x00000000 /* TX Power: radio disabled */ 226 #define IEEE80211_F_TXPOW_FIXED 0x00008000 /* TX Power: fixed rate */ 227 #define IEEE80211_F_TXPOW_AUTO 0x00010000 /* TX Power: undefined */ 228 #define IEEE80211_F_SHSLOT 0x00020000 /* CONF: short slot time */ 229 #define IEEE80211_F_SHPREAMBLE 0x00040000 /* CONF: short preamble */ 230 #define IEEE80211_F_USEPROT 0x00100000 /* STATUS: protection enabled */ 231 #define IEEE80211_F_USEBARKER 0x00200000 /* STATUS: use barker preamble*/ 232 233 /* ic_caps */ 234 #define IEEE80211_C_WEP 0x00000001 /* CAPABILITY: WEP available */ 235 #define IEEE80211_C_IBSS 0x00000002 /* CAPABILITY: IBSS available */ 236 #define IEEE80211_C_PMGT 0x00000004 /* CAPABILITY: Power mgmt */ 237 #define IEEE80211_C_HOSTAP 0x00000008 /* CAPABILITY: HOSTAP avail */ 238 #define IEEE80211_C_AHDEMO 0x00000010 /* CAPABILITY: Old Adhoc Demo */ 239 #define IEEE80211_C_SWRETRY 0x00000020 /* CAPABILITY: sw tx retry */ 240 #define IEEE80211_C_TXPMGT 0x00000040 /* CAPABILITY: tx power mgmt */ 241 #define IEEE80211_C_SHSLOT 0x00000080 /* CAPABILITY: short slottime */ 242 #define IEEE80211_C_SHPREAMBLE 0x00000100 /* CAPABILITY: short preamble */ 243 #define IEEE80211_C_MONITOR 0x00000200 /* CAPABILITY: monitor mode */ 244 245 /* flags for ieee80211_fix_rate() */ 246 #define IEEE80211_F_DOSORT 0x00000001 /* sort rate list */ 247 #define IEEE80211_F_DOFRATE 0x00000002 /* use fixed rate */ 248 #define IEEE80211_F_DONEGO 0x00000004 /* calc negotiated rate */ 249 #define IEEE80211_F_DODEL 0x00000008 /* delete ignore rate */ 250 251 void ieee80211_ifattach(struct ifnet *); 252 void ieee80211_ifdetach(struct ifnet *); 253 void ieee80211_media_init(struct ifnet *, ifm_change_cb_t, ifm_stat_cb_t); 254 int ieee80211_media_change(struct ifnet *); 255 void ieee80211_media_status(struct ifnet *, struct ifmediareq *); 256 int ieee80211_ioctl(struct ifnet *, u_long, caddr_t); 257 int ieee80211_get_rate(struct ieee80211com *); 258 int ieee80211_cfgget(struct ifnet *, u_long, caddr_t); 259 int ieee80211_cfgset(struct ifnet *, u_long, caddr_t); 260 void ieee80211_watchdog(struct ifnet *); 261 int ieee80211_fix_rate(struct ieee80211com *, struct ieee80211_node *, int); 262 int ieee80211_rate2media(struct ieee80211com *, int, 263 enum ieee80211_phymode); 264 int ieee80211_media2rate(int); 265 u_int ieee80211_mhz2ieee(u_int, u_int); 266 u_int ieee80211_chan2ieee(struct ieee80211com *, struct ieee80211_channel *); 267 u_int ieee80211_ieee2mhz(u_int, u_int); 268 int ieee80211_setmode(struct ieee80211com *, enum ieee80211_phymode); 269 enum ieee80211_phymode ieee80211_chan2mode(struct ieee80211com *, 270 struct ieee80211_channel *); 271 272 #define IEEE80211_MSG_DEBUG 0x40000000 /* IFF_DEBUG equivalent */ 273 #define IEEE80211_MSG_DUMPPKTS 0x20000000 /* IFF_LINK2 equivalant */ 274 #define IEEE80211_MSG_CRYPTO 0x10000000 /* crypto work */ 275 #define IEEE80211_MSG_INPUT 0x08000000 /* input handling */ 276 #define IEEE80211_MSG_XRATE 0x04000000 /* rate set handling */ 277 #define IEEE80211_MSG_ELEMID 0x02000000 /* element id parsing */ 278 #define IEEE80211_MSG_NODE 0x01000000 /* node handling */ 279 #define IEEE80211_MSG_ASSOC 0x00800000 /* association handling */ 280 #define IEEE80211_MSG_AUTH 0x00400000 /* authentication handling */ 281 #define IEEE80211_MSG_SCAN 0x00200000 /* scanning */ 282 #define IEEE80211_MSG_OUTPUT 0x00100000 /* output handling */ 283 #define IEEE80211_MSG_STATE 0x00080000 /* state machine */ 284 #define IEEE80211_MSG_POWER 0x00040000 /* power save handling */ 285 #define IEEE80211_MSG_DOT1X 0x00020000 /* 802.1x authenticator */ 286 #define IEEE80211_MSG_DOT1XSM 0x00010000 /* 802.1x state machine */ 287 #define IEEE80211_MSG_RADIUS 0x00008000 /* 802.1x radius client */ 288 #define IEEE80211_MSG_RADDUMP 0x00004000 /* dump 802.1x radius packets */ 289 #define IEEE80211_MSG_RADKEYS 0x00002000 /* dump 802.1x keys */ 290 #define IEEE80211_MSG_WPA 0x00001000 /* WPA/RSN protocol */ 291 #define IEEE80211_MSG_ACL 0x00000800 /* ACL handling */ 292 293 #define IEEE80211_MSG_ANY 0xffffffff /* anything */ 294 295 #ifdef IEEE80211_DEBUG 296 extern int ieee80211_debug; 297 #define IEEE80211_DPRINTF(_ic, _m, _args) do { \ 298 if (ieee80211_debug & (_m)) \ 299 printf _args; \ 300 } while (0) 301 #define ieee80211_msg_debug(_ic) \ 302 (ieee80211_debug & IEEE80211_MSG_DEBUG) 303 #define ieee80211_msg_dumppkts(_ic) \ 304 (ieee80211_debug & IEEE80211_MSG_DUMPPKTS) 305 #define ieee80211_msg_input(_ic) \ 306 (ieee80211_debug & IEEE80211_MSG_INPUT) 307 #define ieee80211_msg_radius(_ic) \ 308 (ieee80211_debug & IEEE80211_MSG_RADIUS) 309 #define ieee80211_msg_dumpradius(_ic) \ 310 (ieee80211_debug & IEEE80211_MSG_RADDUMP) 311 #define ieee80211_msg_dumpradkeys(_ic) \ 312 (ieee80211_debug & IEEE80211_MSG_RADKEYS) 313 #define ieee80211_msg_scan(_ic) \ 314 (ieee80211_debug & IEEE80211_MSG_SCAN) 315 #else 316 #define IEEE80211_DPRINTF(_ic, _fmt, ...) 317 #endif 318 319 extern int ieee80211_cache_size; 320 321 #endif /* _NET80211_IEEE80211_VAR_H_ */
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