/* $NetBSD: ieee80211_var.h,v 1.31 2016/09/27 20:20:06 christos Exp $ */ /*- * Copyright (c) 2001 Atsushi Onoe * Copyright (c) 2002-2005 Sam Leffler, Errno Consulting * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * Alternatively, this software may be distributed under the terms of the * GNU General Public License ("GPL") version 2 as published by the Free * Software Foundation. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * $FreeBSD: src/sys/net80211/ieee80211_var.h,v 1.30 2005/08/10 16:22:29 sam Exp $ */ #ifndef _NET80211_IEEE80211_VAR_H_ #define _NET80211_IEEE80211_VAR_H_ /* * Definitions for IEEE 802.11 drivers. */ #define IEEE80211_DEBUG #undef IEEE80211_DEBUG_REFCNT /* node refcnt stuff */ /* NB: portability glue must go first */ #ifdef __NetBSD__ #include #elif __FreeBSD__ #include #elif __linux__ #include #else #error "No support for your operating system!" #endif #include /* XXX */ #include #include #include #include /* for ieee80211_stats */ #include #include #define IEEE80211_TXPOWER_MAX 100 /* .5 dbM (XXX units?) */ #define IEEE80211_TXPOWER_MIN 0 /* kill radio */ #define IEEE80211_DTIM_MAX 15 /* max DTIM period */ #define IEEE80211_DTIM_MIN 1 /* min DTIM period */ #define IEEE80211_DTIM_DEFAULT 1 /* default DTIM period */ /* NB: min+max come from WiFi requirements */ #define IEEE80211_BINTVAL_MAX 1000 /* max beacon interval (TU's) */ #define IEEE80211_BINTVAL_MIN 25 /* min beacon interval (TU's) */ #define IEEE80211_BINTVAL_DEFAULT 100 /* default beacon interval (TU's) */ #define IEEE80211_BMISS_MAX 2 /* maximum consecutive bmiss allowed */ #define IEEE80211_PS_SLEEP 0x1 /* STA is in power saving mode */ #define IEEE80211_PS_MAX_QUEUE 50 /* maximum saved packets */ #define IEEE80211_FIXED_RATE_NONE -1 #define IEEE80211_MCAST_RATE_DEFAULT (2*1) /* default mcast rate (1M) */ #define IEEE80211_RTS_DEFAULT IEEE80211_RTS_MAX #define IEEE80211_FRAG_DEFAULT IEEE80211_FRAG_MAX #define IEEE80211_MS_TO_TU(x) (((x) * 1000) / 1024) #define IEEE80211_TU_TO_MS(x) (((x) * 1024) / 1000) struct ieee80211_aclator; #define IEEE80211_PS_SLEEP 0x1 /* STA is in power saving mode */ #define IEEE80211_PS_MAX_QUEUE 50 /* maximum saved packets */ struct ieee80211com { SLIST_ENTRY(ieee80211com) ic_next; struct ifnet *ic_ifp; /* associated device */ struct ieee80211_stats ic_stats; /* statistics */ struct sysctllog *ic_sysctllog; /* for destroying sysctl tree */ u_int32_t ic_debug; /* debug msg flags */ int ic_vap; /* virtual AP index */ ieee80211_beacon_lock_t ic_beaconlock; /* beacon update lock */ LIST_ENTRY(ieee80211com) ic_list; /* chain of all ieee80211com */ int (*ic_reset)(struct ifnet *); void (*ic_recv_mgmt)(struct ieee80211com *, struct mbuf *, struct ieee80211_node *, int, int, u_int32_t); int (*ic_send_mgmt)(struct ieee80211com *, struct ieee80211_node *, int, int); int (*ic_newstate)(struct ieee80211com *, enum ieee80211_state, int); void (*ic_newassoc)(struct ieee80211_node *, int); void (*ic_updateslot)(struct ifnet *); void (*ic_set_tim)(struct ieee80211_node *, int); u_int8_t ic_myaddr[IEEE80211_ADDR_LEN]; struct ieee80211_rateset ic_sup_rates[IEEE80211_MODE_MAX]; struct ieee80211_channel ic_channels[IEEE80211_CHAN_MAX+1]; u_int8_t ic_chan_avail[IEEE80211_CHAN_BYTES]; u_int8_t ic_chan_active[IEEE80211_CHAN_BYTES]; u_int8_t ic_chan_scan[IEEE80211_CHAN_BYTES]; struct ieee80211_node_table ic_scan; /* scan candidates */ struct ifqueue ic_mgtq; u_int32_t ic_flags; /* state flags */ u_int32_t ic_flags_ext; /* extended state flags */ u_int32_t ic_caps; /* capabilities */ u_int16_t ic_modecaps; /* set of mode capabilities */ u_int16_t ic_curmode; /* current mode */ enum ieee80211_phytype ic_phytype; /* XXX wrong for multi-mode */ enum ieee80211_opmode ic_opmode; /* operation mode */ enum ieee80211_state ic_state; /* 802.11 state */ enum ieee80211_protmode ic_protmode; /* 802.11g protection mode */ enum ieee80211_roamingmode ic_roaming; /* roaming mode */ struct ieee80211_node_table ic_sta; /* stations/neighbors */ u_int32_t *ic_aid_bitmap; /* association id map */ u_int16_t ic_max_aid; u_int16_t ic_sta_assoc; /* stations associated */ u_int16_t ic_ps_sta; /* stations in power save */ u_int16_t ic_ps_pending; /* ps sta's w/ pending frames */ u_int8_t *ic_tim_bitmap; /* power-save stations w/ data*/ u_int16_t ic_tim_len; /* ic_tim_bitmap size (bytes) */ u_int8_t ic_dtim_period; /* DTIM period */ u_int8_t ic_dtim_count; /* DTIM count for last bcn */ struct ifmedia ic_media; /* interface media config */ struct bpf_if * ic_rawbpf; /* packet filter structure */ struct ieee80211_node *ic_bss; /* information for this node */ struct ieee80211_channel *ic_ibss_chan; struct ieee80211_channel *ic_curchan; /* current channel */ int ic_fixed_rate; /* index to ic_sup_rates[] */ int ic_mcast_rate; /* rate for mcast frames */ u_int16_t ic_rtsthreshold; u_int16_t ic_fragthreshold; u_int8_t ic_bmiss_count; /* current beacon miss count */ int ic_bmiss_max; /* max bmiss before scan */ struct ieee80211_node *(*ic_node_alloc)(struct ieee80211_node_table*); void (*ic_node_free)(struct ieee80211_node *); void (*ic_node_cleanup)(struct ieee80211_node *); u_int8_t (*ic_node_getrssi)(const struct ieee80211_node*); u_int16_t ic_lintval; /* listen interval */ u_int16_t ic_bintval; /* beacon interval */ u_int16_t ic_holdover; /* PM hold over duration */ u_int16_t ic_txmin; /* min tx retry count */ u_int16_t ic_txmax; /* max tx retry count */ u_int16_t ic_txlifetime; /* tx lifetime */ u_int16_t ic_txpowlimit; /* global tx power limit */ u_int16_t ic_bmisstimeout;/* beacon miss threshold (ms) */ u_int16_t ic_nonerpsta; /* # non-ERP stations */ u_int16_t ic_longslotsta; /* # long slot time stations */ int ic_mgt_timer; /* mgmt timeout */ int ic_inact_timer; /* inactivity timer wait */ int ic_des_esslen; u_int8_t ic_des_essid[IEEE80211_NWID_LEN]; struct ieee80211_channel *ic_des_chan; /* desired channel */ u_int8_t ic_des_bssid[IEEE80211_ADDR_LEN]; void *ic_opt_ie; /* user-specified IE's */ u_int16_t ic_opt_ie_len; /* length of ni_opt_ie */ /* * Inactivity timer settings for nodes. */ int ic_inact_init; /* initial setting */ int ic_inact_auth; /* auth but not assoc setting */ int ic_inact_run; /* authorized setting */ int ic_inact_probe; /* inactive probe time */ /* * WME/WMM state. */ struct ieee80211_wme_state ic_wme; /* * Cipher state/configuration. */ struct ieee80211_crypto_state ic_crypto; #define ic_nw_keys ic_crypto.cs_nw_keys /* XXX compatibility */ #define ic_def_txkey ic_crypto.cs_def_txkey /* XXX compatibility */ /* * 802.1x glue. When an authenticator attaches it * fills in this section. We assume that when ic_ec * is setup that the methods are safe to call. */ const struct ieee80211_authenticator *ic_auth; struct eapolcom *ic_ec; /* * Access control glue. When a control agent attaches * it fills in this section. We assume that when ic_ac * is setup that the methods are safe to call. */ const struct ieee80211_aclator *ic_acl; void *ic_as; }; LIST_HEAD(ieee80211com_head, ieee80211com); extern struct ieee80211com_head ieee80211com_head; #define IEEE80211_ADDR_EQ(a1,a2) (memcmp(a1,a2,IEEE80211_ADDR_LEN) == 0) #define IEEE80211_ADDR_COPY(dst,src) memcpy(dst,src,IEEE80211_ADDR_LEN) /* ic_flags */ /* NB: bits 0x4c available */ #define IEEE80211_F_FF 0x00000001 /* CONF: ATH FF enabled */ #define IEEE80211_F_TURBOP 0x00000002 /* CONF: ATH Turbo enabled*/ /* NB: this is intentionally setup to be IEEE80211_CAPINFO_PRIVACY */ #define IEEE80211_F_PRIVACY 0x00000010 /* CONF: privacy enabled */ #define IEEE80211_F_PUREG 0x00000020 /* CONF: 11g w/o 11b sta's */ #define IEEE80211_F_SCAN 0x00000080 /* STATUS: scanning */ #define IEEE80211_F_ASCAN 0x00000100 /* STATUS: active scan */ #define IEEE80211_F_SIBSS 0x00000200 /* STATUS: start IBSS */ /* NB: this is intentionally setup to be IEEE80211_CAPINFO_SHORT_SLOTTIME */ #define IEEE80211_F_SHSLOT 0x00000400 /* STATUS: use short slot time*/ #define IEEE80211_F_PMGTON 0x00000800 /* CONF: Power mgmt enable */ #define IEEE80211_F_DESBSSID 0x00001000 /* CONF: des_bssid is set */ #define IEEE80211_F_WME 0x00002000 /* CONF: enable WME use */ #define IEEE80211_F_BGSCAN 0x00004000 /* CONF: bg scan enabled (???)*/ #define IEEE80211_F_SWRETRY 0x00008000 /* CONF: sw tx retry enabled */ #define IEEE80211_F_TXPOW_FIXED 0x00010000 /* TX Power: fixed rate */ #define IEEE80211_F_IBSSON 0x00020000 /* CONF: IBSS creation enable */ #define IEEE80211_F_SHPREAMBLE 0x00040000 /* STATUS: use short preamble */ #define IEEE80211_F_DATAPAD 0x00080000 /* CONF: do alignment pad */ #define IEEE80211_F_USEPROT 0x00100000 /* STATUS: protection enabled */ #define IEEE80211_F_USEBARKER 0x00200000 /* STATUS: use barker preamble*/ #define IEEE80211_F_TIMUPDATE 0x00400000 /* STATUS: update beacon tim */ #define IEEE80211_F_WPA1 0x00800000 /* CONF: WPA enabled */ #define IEEE80211_F_WPA2 0x01000000 /* CONF: WPA2 enabled */ #define IEEE80211_F_WPA 0x01800000 /* CONF: WPA/WPA2 enabled */ #define IEEE80211_F_DROPUNENC 0x02000000 /* CONF: drop unencrypted */ #define IEEE80211_F_COUNTERM 0x04000000 /* CONF: TKIP countermeasures */ #define IEEE80211_F_HIDESSID 0x08000000 /* CONF: hide SSID in beacon */ #define IEEE80211_F_NOBRIDGE 0x10000000 /* CONF: dis. internal bridge */ #define IEEE80211_F_WMEUPDATE 0x20000000 /* STATUS: update beacon wme */ /* ic_flags_ext */ #define IEEE80211_FEXT_WDS 0x00000001 /* CONF: 4 addr allowed */ /* 0x00000006 reserved */ #define IEEE80211_FEXT_BGSCAN 0x00000008 /* STATUS: enable full bgscan completion */ #define IEEE80211_FEXT_PROBECHAN 0x00020000 /* CONF: probe passive channel*/ /* ic_caps */ #define IEEE80211_C_WEP 0x00000001 /* CAPABILITY: WEP available */ #define IEEE80211_C_TKIP 0x00000002 /* CAPABILITY: TKIP available */ #define IEEE80211_C_AES 0x00000004 /* CAPABILITY: AES OCB avail */ #define IEEE80211_C_AES_CCM 0x00000008 /* CAPABILITY: AES CCM avail */ #define IEEE80211_C_CKIP 0x00000020 /* CAPABILITY: CKIP available */ #define IEEE80211_C_FF 0x00000040 /* CAPABILITY: ATH FF avail */ #define IEEE80211_C_TURBOP 0x00000080 /* CAPABILITY: ATH Turbo avail*/ #define IEEE80211_C_IBSS 0x00000100 /* CAPABILITY: IBSS available */ #define IEEE80211_C_PMGT 0x00000200 /* CAPABILITY: Power mgmt */ #define IEEE80211_C_HOSTAP 0x00000400 /* CAPABILITY: HOSTAP avail */ #define IEEE80211_C_AHDEMO 0x00000800 /* CAPABILITY: Old Adhoc Demo */ #define IEEE80211_C_SWRETRY 0x00001000 /* CAPABILITY: sw tx retry */ #define IEEE80211_C_TXPMGT 0x00002000 /* CAPABILITY: tx power mgmt */ #define IEEE80211_C_SHSLOT 0x00004000 /* CAPABILITY: short slottime */ #define IEEE80211_C_SHPREAMBLE 0x00008000 /* CAPABILITY: short preamble */ #define IEEE80211_C_MONITOR 0x00010000 /* CAPABILITY: monitor mode */ #define IEEE80211_C_TKIPMIC 0x00020000 /* CAPABILITY: TKIP MIC avail */ #define IEEE80211_C_WME_TKIPMIC 0x00040000 /* CAPABILITY: TKIP MIC for QoS frame */ /* 0x780000 available */ #define IEEE80211_C_WPA1 0x00800000 /* CAPABILITY: WPA1 avail */ #define IEEE80211_C_WPA2 0x01000000 /* CAPABILITY: WPA2 avail */ #define IEEE80211_C_WPA 0x01800000 /* CAPABILITY: WPA1+WPA2 avail*/ #define IEEE80211_C_BURST 0x02000000 /* CAPABILITY: frame bursting */ #define IEEE80211_C_WME 0x04000000 /* CAPABILITY: WME avail */ #define IEEE80211_C_WDS 0x08000000 /* CAPABILITY: 4-addr support */ /* 0x10000000 reserved */ #define IEEE80211_C_BGSCAN 0x20000000 /* CAPABILITY: bg scanning */ #define IEEE80211_C_TXFRAG 0x40000000 /* CAPABILITY: tx fragments */ /* XXX protection/barker? */ #define IEEE80211_C_CRYPTO 0x0000002f /* CAPABILITY: crypto alg's */ void ieee80211_ifattach(struct ieee80211com *); void ieee80211_ifdetach(struct ieee80211com *); void ieee80211_announce(struct ieee80211com *); void ieee80211_media_init(struct ieee80211com *, ifm_change_cb_t, ifm_stat_cb_t); struct ieee80211com *ieee80211_find_vap(const u_int8_t mac[IEEE80211_ADDR_LEN]); int ieee80211_media_change(struct ifnet *); void ieee80211_media_status(struct ifnet *, struct ifmediareq *); int ieee80211_ioctl(struct ieee80211com *, u_long, void *); int ieee80211_cfgget(struct ieee80211com *, u_long, void *); int ieee80211_cfgset(struct ieee80211com *, u_long, void *); void ieee80211_watchdog(struct ieee80211com *); int ieee80211_rate2media(struct ieee80211com *, int, enum ieee80211_phymode); int ieee80211_media2rate(int); u_int ieee80211_mhz2ieee(u_int, u_int); u_int ieee80211_chan2ieee(struct ieee80211com *, struct ieee80211_channel *); u_int ieee80211_ieee2mhz(u_int, u_int); int ieee80211_setmode(struct ieee80211com *, enum ieee80211_phymode); enum ieee80211_phymode ieee80211_chan2mode(struct ieee80211com *, struct ieee80211_channel *); int ieee80211_get_rate(const struct ieee80211_node *); /* * Key update synchronization methods. XXX should not be visible. */ static __inline void ieee80211_key_update_begin(struct ieee80211com *ic) { ic->ic_crypto.cs_key_update_begin(ic); } static __inline void ieee80211_key_update_end(struct ieee80211com *ic) { ic->ic_crypto.cs_key_update_end(ic); } /* * XXX these need to be here for IEEE80211_F_DATAPAD */ /* * Return the space occupied by the 802.11 header and any * padding required by the driver. This works for a * management or data frame. */ static __inline int ieee80211_hdrspace(struct ieee80211com *ic, const void *data) { int size = ieee80211_hdrsize(data); if (ic->ic_flags & IEEE80211_F_DATAPAD) size = roundup(size, sizeof(u_int32_t)); return size; } /* * Like ieee80211_hdrspace, but handles any type of frame. */ static __inline int ieee80211_anyhdrspace(struct ieee80211com *ic, const void *data) { int size = ieee80211_anyhdrsize(data); if (ic->ic_flags & IEEE80211_F_DATAPAD) size = roundup(size, sizeof(u_int32_t)); return size; } #define IEEE80211_MSG_DEBUG 0x40000000 /* IFF_DEBUG equivalent */ #define IEEE80211_MSG_DUMPPKTS 0x20000000 /* IFF_LINK2 equivalant */ #define IEEE80211_MSG_CRYPTO 0x10000000 /* crypto work */ #define IEEE80211_MSG_INPUT 0x08000000 /* input handling */ #define IEEE80211_MSG_XRATE 0x04000000 /* rate set handling */ #define IEEE80211_MSG_ELEMID 0x02000000 /* element id parsing */ #define IEEE80211_MSG_NODE 0x01000000 /* node handling */ #define IEEE80211_MSG_ASSOC 0x00800000 /* association handling */ #define IEEE80211_MSG_AUTH 0x00400000 /* authentication handling */ #define IEEE80211_MSG_SCAN 0x00200000 /* scanning */ #define IEEE80211_MSG_OUTPUT 0x00100000 /* output handling */ #define IEEE80211_MSG_STATE 0x00080000 /* state machine */ #define IEEE80211_MSG_POWER 0x00040000 /* power save handling */ #define IEEE80211_MSG_DOT1X 0x00020000 /* 802.1x authenticator */ #define IEEE80211_MSG_DOT1XSM 0x00010000 /* 802.1x state machine */ #define IEEE80211_MSG_RADIUS 0x00008000 /* 802.1x radius client */ #define IEEE80211_MSG_RADDUMP 0x00004000 /* dump 802.1x radius packets */ #define IEEE80211_MSG_RADKEYS 0x00002000 /* dump 802.1x keys */ #define IEEE80211_MSG_WPA 0x00001000 /* WPA/RSN protocol */ #define IEEE80211_MSG_ACL 0x00000800 /* ACL handling */ #define IEEE80211_MSG_WME 0x00000400 /* WME protocol */ #define IEEE80211_MSG_SUPERG 0x00000200 /* Atheros SuperG protocol */ #define IEEE80211_MSG_DOTH 0x00000100 /* 802.11h support */ #define IEEE80211_MSG_INACT 0x00000080 /* inactivity handling */ #define IEEE80211_MSG_ROAM 0x00000040 /* sta-mode roaming */ #define IEEE80211_MSG_ANY 0xffffffff /* anything */ #ifdef IEEE80211_DEBUG #define ieee80211_msg(_ic, _m) ((_ic)->ic_debug & (_m)) #define IEEE80211_DPRINTF(_ic, _m, _fmt, ...) do { \ if (ieee80211_msg(_ic, _m)) \ ieee80211_note(_ic, _fmt, __VA_ARGS__); \ } while (0) #define IEEE80211_NOTE(_ic, _m, _ni, _fmt, ...) do { \ if (ieee80211_msg(_ic, _m)) \ ieee80211_note_mac(_ic, (_ni)->ni_macaddr, _fmt, __VA_ARGS__);\ } while (0) #define IEEE80211_NOTE_MAC(_ic, _m, _mac, _fmt, ...) do { \ if (ieee80211_msg(_ic, _m)) \ ieee80211_note_mac(_ic, _mac, _fmt, __VA_ARGS__); \ } while (0) #define IEEE80211_NOTE_FRAME(_ic, _m, _wh, _fmt, ...) do { \ if (ieee80211_msg(_ic, _m)) \ ieee80211_note_frame(_ic, _wh, _fmt, __VA_ARGS__); \ } while (0) void ieee80211_note(struct ieee80211com *ic, const char *fmt, ...); void ieee80211_note_mac(struct ieee80211com *ic, const u_int8_t mac[IEEE80211_ADDR_LEN], const char *fmt, ...); void ieee80211_note_frame(struct ieee80211com *ic, const struct ieee80211_frame *wh, const char *fmt, ...); #define ieee80211_msg_debug(_ic) \ ((_ic)->ic_debug & IEEE80211_MSG_DEBUG) #define ieee80211_msg_dumppkts(_ic) \ ((_ic)->ic_debug & IEEE80211_MSG_DUMPPKTS) #define ieee80211_msg_input(_ic) \ ((_ic)->ic_debug & IEEE80211_MSG_INPUT) #define ieee80211_msg_radius(_ic) \ ((_ic)->ic_debug & IEEE80211_MSG_RADIUS) #define ieee80211_msg_dumpradius(_ic) \ ((_ic)->ic_debug & IEEE80211_MSG_RADDUMP) #define ieee80211_msg_dumpradkeys(_ic) \ ((_ic)->ic_debug & IEEE80211_MSG_RADKEYS) #define ieee80211_msg_scan(_ic) \ ((_ic)->ic_debug & IEEE80211_MSG_SCAN) #define ieee80211_msg_assoc(_ic) \ ((_ic)->ic_debug & IEEE80211_MSG_ASSOC) #else #define IEEE80211_DPRINTF(_ic, _m, _fmt, ...) #define IEEE80211_NOTE(_ic, _m, _ni, _fmt, ...) #define IEEE80211_NOTE_FRAME(_ic, _m, _wh, _fmt, ...) #define IEEE80211_NOTE_MAC(_ic, _m, _mac, _fmt, ...) #define ieee80211_msg_dumppkts(_ic) 0 #define ieee80211_msg(_ic, _m) 0 #endif #endif /* !_NET80211_IEEE80211_VAR_H_ */