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Diffstat (limited to 'include/linux/ieee80211.h')
| -rw-r--r-- | include/linux/ieee80211.h | 342 |
1 files changed, 342 insertions, 0 deletions
diff --git a/include/linux/ieee80211.h b/include/linux/ieee80211.h new file mode 100644 index 00000000000..ecd61e8438a --- /dev/null +++ b/include/linux/ieee80211.h @@ -0,0 +1,342 @@ +/* + * IEEE 802.11 defines + * + * Copyright (c) 2001-2002, SSH Communications Security Corp and Jouni Malinen + * <jkmaline@cc.hut.fi> + * Copyright (c) 2002-2003, Jouni Malinen <jkmaline@cc.hut.fi> + * Copyright (c) 2005, Devicescape Software, Inc. + * Copyright (c) 2006, Michael Wu <flamingice@sourmilk.net> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#ifndef IEEE80211_H +#define IEEE80211_H + +#include <linux/types.h> + +#define FCS_LEN 4 + +#define IEEE80211_FCTL_VERS 0x0003 +#define IEEE80211_FCTL_FTYPE 0x000c +#define IEEE80211_FCTL_STYPE 0x00f0 +#define IEEE80211_FCTL_TODS 0x0100 +#define IEEE80211_FCTL_FROMDS 0x0200 +#define IEEE80211_FCTL_MOREFRAGS 0x0400 +#define IEEE80211_FCTL_RETRY 0x0800 +#define IEEE80211_FCTL_PM 0x1000 +#define IEEE80211_FCTL_MOREDATA 0x2000 +#define IEEE80211_FCTL_PROTECTED 0x4000 +#define IEEE80211_FCTL_ORDER 0x8000 + +#define IEEE80211_SCTL_FRAG 0x000F +#define IEEE80211_SCTL_SEQ 0xFFF0 + +#define IEEE80211_FTYPE_MGMT 0x0000 +#define IEEE80211_FTYPE_CTL 0x0004 +#define IEEE80211_FTYPE_DATA 0x0008 + +/* management */ +#define IEEE80211_STYPE_ASSOC_REQ 0x0000 +#define IEEE80211_STYPE_ASSOC_RESP 0x0010 +#define IEEE80211_STYPE_REASSOC_REQ 0x0020 +#define IEEE80211_STYPE_REASSOC_RESP 0x0030 +#define IEEE80211_STYPE_PROBE_REQ 0x0040 +#define IEEE80211_STYPE_PROBE_RESP 0x0050 +#define IEEE80211_STYPE_BEACON 0x0080 +#define IEEE80211_STYPE_ATIM 0x0090 +#define IEEE80211_STYPE_DISASSOC 0x00A0 +#define IEEE80211_STYPE_AUTH 0x00B0 +#define IEEE80211_STYPE_DEAUTH 0x00C0 +#define IEEE80211_STYPE_ACTION 0x00D0 + +/* control */ +#define IEEE80211_STYPE_PSPOLL 0x00A0 +#define IEEE80211_STYPE_RTS 0x00B0 +#define IEEE80211_STYPE_CTS 0x00C0 +#define IEEE80211_STYPE_ACK 0x00D0 +#define IEEE80211_STYPE_CFEND 0x00E0 +#define IEEE80211_STYPE_CFENDACK 0x00F0 + +/* data */ +#define IEEE80211_STYPE_DATA 0x0000 +#define IEEE80211_STYPE_DATA_CFACK 0x0010 +#define IEEE80211_STYPE_DATA_CFPOLL 0x0020 +#define IEEE80211_STYPE_DATA_CFACKPOLL 0x0030 +#define IEEE80211_STYPE_NULLFUNC 0x0040 +#define IEEE80211_STYPE_CFACK 0x0050 +#define IEEE80211_STYPE_CFPOLL 0x0060 +#define IEEE80211_STYPE_CFACKPOLL 0x0070 +#define IEEE80211_STYPE_QOS_DATA 0x0080 +#define IEEE80211_STYPE_QOS_DATA_CFACK 0x0090 +#define IEEE80211_STYPE_QOS_DATA_CFPOLL 0x00A0 +#define IEEE80211_STYPE_QOS_DATA_CFACKPOLL 0x00B0 +#define IEEE80211_STYPE_QOS_NULLFUNC 0x00C0 +#define IEEE80211_STYPE_QOS_CFACK 0x00D0 +#define IEEE80211_STYPE_QOS_CFPOLL 0x00E0 +#define IEEE80211_STYPE_QOS_CFACKPOLL 0x00F0 + + +/* miscellaneous IEEE 802.11 constants */ +#define IEEE80211_MAX_FRAG_THRESHOLD 2346 +#define IEEE80211_MAX_RTS_THRESHOLD 2347 +#define IEEE80211_MAX_AID 2007 +#define IEEE80211_MAX_TIM_LEN 251 +#define IEEE80211_MAX_DATA_LEN 2304 +/* Maximum size for the MA-UNITDATA primitive, 802.11 standard section + 6.2.1.1.2. + + The figure in section 7.1.2 suggests a body size of up to 2312 + bytes is allowed, which is a bit confusing, I suspect this + represents the 2304 bytes of real data, plus a possible 8 bytes of + WEP IV and ICV. (this interpretation suggested by Ramiro Barreiro) */ + +#define IEEE80211_MAX_SSID_LEN 32 + +struct ieee80211_hdr { + __le16 frame_control; + __le16 duration_id; + u8 addr1[6]; + u8 addr2[6]; + u8 addr3[6]; + __le16 seq_ctrl; + u8 addr4[6]; +} __attribute__ ((packed)); + + +struct ieee80211_mgmt { + __le16 frame_control; + __le16 duration; + u8 da[6]; + u8 sa[6]; + u8 bssid[6]; + __le16 seq_ctrl; + union { + struct { + __le16 auth_alg; + __le16 auth_transaction; + __le16 status_code; + /* possibly followed by Challenge text */ + u8 variable[0]; + } __attribute__ ((packed)) auth; + struct { + __le16 reason_code; + } __attribute__ ((packed)) deauth; + struct { + __le16 capab_info; + __le16 listen_interval; + /* followed by SSID and Supported rates */ + u8 variable[0]; + } __attribute__ ((packed)) assoc_req; + struct { + __le16 capab_info; + __le16 status_code; + __le16 aid; + /* followed by Supported rates */ + u8 variable[0]; + } __attribute__ ((packed)) assoc_resp, reassoc_resp; + struct { + __le16 capab_info; + __le16 listen_interval; + u8 current_ap[6]; + /* followed by SSID and Supported rates */ + u8 variable[0]; + } __attribute__ ((packed)) reassoc_req; + struct { + __le16 reason_code; + } __attribute__ ((packed)) disassoc; + struct { + __le64 timestamp; + __le16 beacon_int; + __le16 capab_info; + /* followed by some of SSID, Supported rates, + * FH Params, DS Params, CF Params, IBSS Params, TIM */ + u8 variable[0]; + } __attribute__ ((packed)) beacon; + struct { + /* only variable items: SSID, Supported rates */ + u8 variable[0]; + } __attribute__ ((packed)) probe_req; + struct { + __le64 timestamp; + __le16 beacon_int; + __le16 capab_info; + /* followed by some of SSID, Supported rates, + * FH Params, DS Params, CF Params, IBSS Params */ + u8 variable[0]; + } __attribute__ ((packed)) probe_resp; + struct { + u8 category; + union { + struct { + u8 action_code; + u8 dialog_token; + u8 status_code; + u8 variable[0]; + } __attribute__ ((packed)) wme_action; + struct{ + u8 action_code; + u8 element_id; + u8 length; + u8 switch_mode; + u8 new_chan; + u8 switch_count; + } __attribute__((packed)) chan_switch; + } u; + } __attribute__ ((packed)) action; + } u; +} __attribute__ ((packed)); + + +/* Control frames */ +struct ieee80211_rts { + __le16 frame_control; + __le16 duration; + u8 ra[6]; + u8 ta[6]; +} __attribute__ ((packed)); + +struct ieee80211_cts { + __le16 frame_control; + __le16 duration; + u8 ra[6]; +} __attribute__ ((packed)); + + +/* Authentication algorithms */ +#define WLAN_AUTH_OPEN 0 +#define WLAN_AUTH_SHARED_KEY 1 +#define WLAN_AUTH_FAST_BSS_TRANSITION 2 +#define WLAN_AUTH_LEAP 128 + +#define WLAN_AUTH_CHALLENGE_LEN 128 + +#define WLAN_CAPABILITY_ESS (1<<0) +#define WLAN_CAPABILITY_IBSS (1<<1) +#define WLAN_CAPABILITY_CF_POLLABLE (1<<2) +#define WLAN_CAPABILITY_CF_POLL_REQUEST (1<<3) +#define WLAN_CAPABILITY_PRIVACY (1<<4) +#define WLAN_CAPABILITY_SHORT_PREAMBLE (1<<5) +#define WLAN_CAPABILITY_PBCC (1<<6) +#define WLAN_CAPABILITY_CHANNEL_AGILITY (1<<7) +/* 802.11h */ +#define WLAN_CAPABILITY_SPECTRUM_MGMT (1<<8) +#define WLAN_CAPABILITY_QOS (1<<9) +#define WLAN_CAPABILITY_SHORT_SLOT_TIME (1<<10) +#define WLAN_CAPABILITY_DSSS_OFDM (1<<13) + +/* Status codes */ +enum ieee80211_statuscode { + WLAN_STATUS_SUCCESS = 0, + WLAN_STATUS_UNSPECIFIED_FAILURE = 1, + WLAN_STATUS_CAPS_UNSUPPORTED = 10, + WLAN_STATUS_REASSOC_NO_ASSOC = 11, + WLAN_STATUS_ASSOC_DENIED_UNSPEC = 12, + WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG = 13, + WLAN_STATUS_UNKNOWN_AUTH_TRANSACTION = 14, + WLAN_STATUS_CHALLENGE_FAIL = 15, + WLAN_STATUS_AUTH_TIMEOUT = 16, + WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA = 17, + WLAN_STATUS_ASSOC_DENIED_RATES = 18, + /* 802.11b */ + WLAN_STATUS_ASSOC_DENIED_NOSHORTPREAMBLE = 19, + WLAN_STATUS_ASSOC_DENIED_NOPBCC = 20, + WLAN_STATUS_ASSOC_DENIED_NOAGILITY = 21, + /* 802.11h */ + WLAN_STATUS_ASSOC_DENIED_NOSPECTRUM = 22, + WLAN_STATUS_ASSOC_REJECTED_BAD_POWER = 23, + WLAN_STATUS_ASSOC_REJECTED_BAD_SUPP_CHAN = 24, + /* 802.11g */ + WLAN_STATUS_ASSOC_DENIED_NOSHORTTIME = 25, + WLAN_STATUS_ASSOC_DENIED_NODSSSOFDM = 26, + /* 802.11i */ + WLAN_STATUS_INVALID_IE = 40, + WLAN_STATUS_INVALID_GROUP_CIPHER = 41, + WLAN_STATUS_INVALID_PAIRWISE_CIPHER = 42, + WLAN_STATUS_INVALID_AKMP = 43, + WLAN_STATUS_UNSUPP_RSN_VERSION = 44, + WLAN_STATUS_INVALID_RSN_IE_CAP = 45, + WLAN_STATUS_CIPHER_SUITE_REJECTED = 46, +}; + + +/* Reason codes */ +enum ieee80211_reasoncode { + WLAN_REASON_UNSPECIFIED = 1, + WLAN_REASON_PREV_AUTH_NOT_VALID = 2, + WLAN_REASON_DEAUTH_LEAVING = 3, + WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY = 4, + WLAN_REASON_DISASSOC_AP_BUSY = 5, + WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA = 6, + WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA = 7, + WLAN_REASON_DISASSOC_STA_HAS_LEFT = 8, + WLAN_REASON_STA_REQ_ASSOC_WITHOUT_AUTH = 9, + /* 802.11h */ + WLAN_REASON_DISASSOC_BAD_POWER = 10, + WLAN_REASON_DISASSOC_BAD_SUPP_CHAN = 11, + /* 802.11i */ + WLAN_REASON_INVALID_IE = 13, + WLAN_REASON_MIC_FAILURE = 14, + WLAN_REASON_4WAY_HANDSHAKE_TIMEOUT = 15, + WLAN_REASON_GROUP_KEY_HANDSHAKE_TIMEOUT = 16, + WLAN_REASON_IE_DIFFERENT = 17, + WLAN_REASON_INVALID_GROUP_CIPHER = 18, + WLAN_REASON_INVALID_PAIRWISE_CIPHER = 19, + WLAN_REASON_INVALID_AKMP = 20, + WLAN_REASON_UNSUPP_RSN_VERSION = 21, + WLAN_REASON_INVALID_RSN_IE_CAP = 22, + WLAN_REASON_IEEE8021X_FAILED = 23, + WLAN_REASON_CIPHER_SUITE_REJECTED = 24, +}; + + +/* Information Element IDs */ +enum ieee80211_eid { + WLAN_EID_SSID = 0, + WLAN_EID_SUPP_RATES = 1, + WLAN_EID_FH_PARAMS = 2, + WLAN_EID_DS_PARAMS = 3, + WLAN_EID_CF_PARAMS = 4, + WLAN_EID_TIM = 5, + WLAN_EID_IBSS_PARAMS = 6, + WLAN_EID_CHALLENGE = 16, + /* 802.11d */ + WLAN_EID_COUNTRY = 7, + WLAN_EID_HP_PARAMS = 8, + WLAN_EID_HP_TABLE = 9, + WLAN_EID_REQUEST = 10, + /* 802.11h */ + WLAN_EID_PWR_CONSTRAINT = 32, + WLAN_EID_PWR_CAPABILITY = 33, + WLAN_EID_TPC_REQUEST = 34, + WLAN_EID_TPC_REPORT = 35, + WLAN_EID_SUPPORTED_CHANNELS = 36, + WLAN_EID_CHANNEL_SWITCH = 37, + WLAN_EID_MEASURE_REQUEST = 38, + WLAN_EID_MEASURE_REPORT = 39, + WLAN_EID_QUIET = 40, + WLAN_EID_IBSS_DFS = 41, + /* 802.11g */ + WLAN_EID_ERP_INFO = 42, + WLAN_EID_EXT_SUPP_RATES = 50, + /* 802.11i */ + WLAN_EID_RSN = 48, + WLAN_EID_WPA = 221, + WLAN_EID_GENERIC = 221, + WLAN_EID_VENDOR_SPECIFIC = 221, + WLAN_EID_QOS_PARAMETER = 222 +}; + +/* cipher suite selectors */ +#define WLAN_CIPHER_SUITE_USE_GROUP 0x000FAC00 +#define WLAN_CIPHER_SUITE_WEP40 0x000FAC01 +#define WLAN_CIPHER_SUITE_TKIP 0x000FAC02 +/* reserved: 0x000FAC03 */ +#define WLAN_CIPHER_SUITE_CCMP 0x000FAC04 +#define WLAN_CIPHER_SUITE_WEP104 0x000FAC05 + +#define WLAN_MAX_KEY_LEN 32 + +#endif /* IEEE80211_H */ |