| /* |
| * 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> |
| #include <asm/byteorder.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_BACK_REQ 0x0080 |
| #define IEEE80211_STYPE_BACK 0x0090 |
| #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 2352 |
| #define IEEE80211_MAX_RTS_THRESHOLD 2353 |
| #define IEEE80211_MAX_AID 2007 |
| #define IEEE80211_MAX_TIM_LEN 251 |
| /* Maximum size for the MA-UNITDATA primitive, 802.11 standard section |
| 6.2.1.1.2. |
| |
| 802.11e clarifies the figure in section 7.1.2. The frame body is |
| up to 2304 octets long (maximum MSDU size) plus any crypt overhead. */ |
| #define IEEE80211_MAX_DATA_LEN 2304 |
| /* 30 byte 4 addr hdr, 2 byte QoS, 2304 byte MSDU, 12 byte crypt, 4 byte FCS */ |
| #define IEEE80211_MAX_FRAME_LEN 2352 |
| |
| #define IEEE80211_MAX_SSID_LEN 32 |
| #define IEEE80211_MAX_MESH_ID_LEN 32 |
| #define IEEE80211_QOS_CTL_LEN 2 |
| #define IEEE80211_QOS_CTL_TID_MASK 0x000F |
| #define IEEE80211_QOS_CTL_TAG1D_MASK 0x0007 |
| |
| 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)); |
| |
| /** |
| * ieee80211_has_tods - check if IEEE80211_FCTL_TODS is set |
| * @fc: frame control bytes in little-endian byteorder |
| */ |
| static inline int ieee80211_has_tods(__le16 fc) |
| { |
| return (fc & cpu_to_le16(IEEE80211_FCTL_TODS)) != 0; |
| } |
| |
| /** |
| * ieee80211_has_fromds - check if IEEE80211_FCTL_FROMDS is set |
| * @fc: frame control bytes in little-endian byteorder |
| */ |
| static inline int ieee80211_has_fromds(__le16 fc) |
| { |
| return (fc & cpu_to_le16(IEEE80211_FCTL_FROMDS)) != 0; |
| } |
| |
| /** |
| * ieee80211_has_a4 - check if IEEE80211_FCTL_TODS and IEEE80211_FCTL_FROMDS are set |
| * @fc: frame control bytes in little-endian byteorder |
| */ |
| static inline int ieee80211_has_a4(__le16 fc) |
| { |
| __le16 tmp = cpu_to_le16(IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS); |
| return (fc & tmp) == tmp; |
| } |
| |
| /** |
| * ieee80211_has_morefrags - check if IEEE80211_FCTL_MOREFRAGS is set |
| * @fc: frame control bytes in little-endian byteorder |
| */ |
| static inline int ieee80211_has_morefrags(__le16 fc) |
| { |
| return (fc & cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) != 0; |
| } |
| |
| /** |
| * ieee80211_has_retry - check if IEEE80211_FCTL_RETRY is set |
| * @fc: frame control bytes in little-endian byteorder |
| */ |
| static inline int ieee80211_has_retry(__le16 fc) |
| { |
| return (fc & cpu_to_le16(IEEE80211_FCTL_RETRY)) != 0; |
| } |
| |
| /** |
| * ieee80211_has_pm - check if IEEE80211_FCTL_PM is set |
| * @fc: frame control bytes in little-endian byteorder |
| */ |
| static inline int ieee80211_has_pm(__le16 fc) |
| { |
| return (fc & cpu_to_le16(IEEE80211_FCTL_PM)) != 0; |
| } |
| |
| /** |
| * ieee80211_has_moredata - check if IEEE80211_FCTL_MOREDATA is set |
| * @fc: frame control bytes in little-endian byteorder |
| */ |
| static inline int ieee80211_has_moredata(__le16 fc) |
| { |
| return (fc & cpu_to_le16(IEEE80211_FCTL_MOREDATA)) != 0; |
| } |
| |
| /** |
| * ieee80211_has_protected - check if IEEE80211_FCTL_PROTECTED is set |
| * @fc: frame control bytes in little-endian byteorder |
| */ |
| static inline int ieee80211_has_protected(__le16 fc) |
| { |
| return (fc & cpu_to_le16(IEEE80211_FCTL_PROTECTED)) != 0; |
| } |
| |
| /** |
| * ieee80211_has_order - check if IEEE80211_FCTL_ORDER is set |
| * @fc: frame control bytes in little-endian byteorder |
| */ |
| static inline int ieee80211_has_order(__le16 fc) |
| { |
| return (fc & cpu_to_le16(IEEE80211_FCTL_ORDER)) != 0; |
| } |
| |
| /** |
| * ieee80211_is_mgmt - check if type is IEEE80211_FTYPE_MGMT |
| * @fc: frame control bytes in little-endian byteorder |
| */ |
| static inline int ieee80211_is_mgmt(__le16 fc) |
| { |
| return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) == |
| cpu_to_le16(IEEE80211_FTYPE_MGMT); |
| } |
| |
| /** |
| * ieee80211_is_ctl - check if type is IEEE80211_FTYPE_CTL |
| * @fc: frame control bytes in little-endian byteorder |
| */ |
| static inline int ieee80211_is_ctl(__le16 fc) |
| { |
| return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) == |
| cpu_to_le16(IEEE80211_FTYPE_CTL); |
| } |
| |
| /** |
| * ieee80211_is_data - check if type is IEEE80211_FTYPE_DATA |
| * @fc: frame control bytes in little-endian byteorder |
| */ |
| static inline int ieee80211_is_data(__le16 fc) |
| { |
| return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) == |
| cpu_to_le16(IEEE80211_FTYPE_DATA); |
| } |
| |
| /** |
| * ieee80211_is_data_qos - check if type is IEEE80211_FTYPE_DATA and IEEE80211_STYPE_QOS_DATA is set |
| * @fc: frame control bytes in little-endian byteorder |
| */ |
| static inline int ieee80211_is_data_qos(__le16 fc) |
| { |
| /* |
| * mask with QOS_DATA rather than IEEE80211_FCTL_STYPE as we just need |
| * to check the one bit |
| */ |
| return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_STYPE_QOS_DATA)) == |
| cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_DATA); |
| } |
| |
| /** |
| * ieee80211_is_data_present - check if type is IEEE80211_FTYPE_DATA and has data |
| * @fc: frame control bytes in little-endian byteorder |
| */ |
| static inline int ieee80211_is_data_present(__le16 fc) |
| { |
| /* |
| * mask with 0x40 and test that that bit is clear to only return true |
| * for the data-containing substypes. |
| */ |
| return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | 0x40)) == |
| cpu_to_le16(IEEE80211_FTYPE_DATA); |
| } |
| |
| /** |
| * ieee80211_is_assoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_REQ |
| * @fc: frame control bytes in little-endian byteorder |
| */ |
| static inline int ieee80211_is_assoc_req(__le16 fc) |
| { |
| return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == |
| cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_REQ); |
| } |
| |
| /** |
| * ieee80211_is_assoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_RESP |
| * @fc: frame control bytes in little-endian byteorder |
| */ |
| static inline int ieee80211_is_assoc_resp(__le16 fc) |
| { |
| return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == |
| cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_RESP); |
| } |
| |
| /** |
| * ieee80211_is_reassoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_REQ |
| * @fc: frame control bytes in little-endian byteorder |
| */ |
| static inline int ieee80211_is_reassoc_req(__le16 fc) |
| { |
| return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == |
| cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_REQ); |
| } |
| |
| /** |
| * ieee80211_is_reassoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_RESP |
| * @fc: frame control bytes in little-endian byteorder |
| */ |
| static inline int ieee80211_is_reassoc_resp(__le16 fc) |
| { |
| return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == |
| cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_RESP); |
| } |
| |
| /** |
| * ieee80211_is_probe_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_REQ |
| * @fc: frame control bytes in little-endian byteorder |
| */ |
| static inline int ieee80211_is_probe_req(__le16 fc) |
| { |
| return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == |
| cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ); |
| } |
| |
| /** |
| * ieee80211_is_probe_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_RESP |
| * @fc: frame control bytes in little-endian byteorder |
| */ |
| static inline int ieee80211_is_probe_resp(__le16 fc) |
| { |
| return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == |
| cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_RESP); |
| } |
| |
| /** |
| * ieee80211_is_beacon - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_BEACON |
| * @fc: frame control bytes in little-endian byteorder |
| */ |
| static inline int ieee80211_is_beacon(__le16 fc) |
| { |
| return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == |
| cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_BEACON); |
| } |
| |
| /** |
| * ieee80211_is_atim - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ATIM |
| * @fc: frame control bytes in little-endian byteorder |
| */ |
| static inline int ieee80211_is_atim(__le16 fc) |
| { |
| return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == |
| cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ATIM); |
| } |
| |
| /** |
| * ieee80211_is_disassoc - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DISASSOC |
| * @fc: frame control bytes in little-endian byteorder |
| */ |
| static inline int ieee80211_is_disassoc(__le16 fc) |
| { |
| return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == |
| cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DISASSOC); |
| } |
| |
| /** |
| * ieee80211_is_auth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_AUTH |
| * @fc: frame control bytes in little-endian byteorder |
| */ |
| static inline int ieee80211_is_auth(__le16 fc) |
| { |
| return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == |
| cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_AUTH); |
| } |
| |
| /** |
| * ieee80211_is_deauth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DEAUTH |
| * @fc: frame control bytes in little-endian byteorder |
| */ |
| static inline int ieee80211_is_deauth(__le16 fc) |
| { |
| return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == |
| cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DEAUTH); |
| } |
| |
| /** |
| * ieee80211_is_action - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ACTION |
| * @fc: frame control bytes in little-endian byteorder |
| */ |
| static inline int ieee80211_is_action(__le16 fc) |
| { |
| return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == |
| cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION); |
| } |
| |
| /** |
| * ieee80211_is_back_req - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK_REQ |
| * @fc: frame control bytes in little-endian byteorder |
| */ |
| static inline int ieee80211_is_back_req(__le16 fc) |
| { |
| return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == |
| cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK_REQ); |
| } |
| |
| /** |
| * ieee80211_is_back - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK |
| * @fc: frame control bytes in little-endian byteorder |
| */ |
| static inline int ieee80211_is_back(__le16 fc) |
| { |
| return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == |
| cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK); |
| } |
| |
| /** |
| * ieee80211_is_pspoll - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_PSPOLL |
| * @fc: frame control bytes in little-endian byteorder |
| */ |
| static inline int ieee80211_is_pspoll(__le16 fc) |
| { |
| return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == |
| cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_PSPOLL); |
| } |
| |
| /** |
| * ieee80211_is_rts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_RTS |
| * @fc: frame control bytes in little-endian byteorder |
| */ |
| static inline int ieee80211_is_rts(__le16 fc) |
| { |
| return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == |
| cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_RTS); |
| } |
| |
| /** |
| * ieee80211_is_cts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CTS |
| * @fc: frame control bytes in little-endian byteorder |
| */ |
| static inline int ieee80211_is_cts(__le16 fc) |
| { |
| return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == |
| cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTS); |
| } |
| |
| /** |
| * ieee80211_is_ack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_ACK |
| * @fc: frame control bytes in little-endian byteorder |
| */ |
| static inline int ieee80211_is_ack(__le16 fc) |
| { |
| return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == |
| cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_ACK); |
| } |
| |
| /** |
| * ieee80211_is_cfend - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFEND |
| * @fc: frame control bytes in little-endian byteorder |
| */ |
| static inline int ieee80211_is_cfend(__le16 fc) |
| { |
| return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == |
| cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFEND); |
| } |
| |
| /** |
| * ieee80211_is_cfendack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFENDACK |
| * @fc: frame control bytes in little-endian byteorder |
| */ |
| static inline int ieee80211_is_cfendack(__le16 fc) |
| { |
| return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == |
| cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFENDACK); |
| } |
| |
| /** |
| * ieee80211_is_nullfunc - check if FTYPE=IEEE80211_FTYPE_DATA and STYPE=IEEE80211_STYPE_NULLFUNC |
| * @fc: frame control bytes in little-endian byteorder |
| */ |
| static inline int ieee80211_is_nullfunc(__le16 fc) |
| { |
| return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == |
| cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_NULLFUNC); |
| } |
| |
| struct ieee80211s_hdr { |
| u8 flags; |
| u8 ttl; |
| __le32 seqnum; |
| u8 eaddr1[6]; |
| u8 eaddr2[6]; |
| u8 eaddr3[6]; |
| } __attribute__ ((packed)); |
| |
| /** |
| * struct ieee80211_quiet_ie |
| * |
| * This structure refers to "Quiet information element" |
| */ |
| struct ieee80211_quiet_ie { |
| u8 count; |
| u8 period; |
| __le16 duration; |
| __le16 offset; |
| } __attribute__ ((packed)); |
| |
| /** |
| * struct ieee80211_msrment_ie |
| * |
| * This structure refers to "Measurement Request/Report information element" |
| */ |
| struct ieee80211_msrment_ie { |
| u8 token; |
| u8 mode; |
| u8 type; |
| u8 request[0]; |
| } __attribute__ ((packed)); |
| |
| /** |
| * struct ieee80211_channel_sw_ie |
| * |
| * This structure refers to "Channel Switch Announcement information element" |
| */ |
| struct ieee80211_channel_sw_ie { |
| u8 mode; |
| u8 new_ch_num; |
| u8 count; |
| } __attribute__ ((packed)); |
| |
| /** |
| * struct ieee80211_tim |
| * |
| * This structure refers to "Traffic Indication Map information element" |
| */ |
| struct ieee80211_tim_ie { |
| u8 dtim_count; |
| u8 dtim_period; |
| u8 bitmap_ctrl; |
| /* variable size: 1 - 251 bytes */ |
| u8 virtual_map[0]; |
| } __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; |
| struct ieee80211_channel_sw_ie sw_elem; |
| } __attribute__((packed)) chan_switch; |
| struct{ |
| u8 action_code; |
| u8 dialog_token; |
| u8 element_id; |
| u8 length; |
| struct ieee80211_msrment_ie msr_elem; |
| } __attribute__((packed)) measurement; |
| struct{ |
| u8 action_code; |
| u8 dialog_token; |
| __le16 capab; |
| __le16 timeout; |
| __le16 start_seq_num; |
| } __attribute__((packed)) addba_req; |
| struct{ |
| u8 action_code; |
| u8 dialog_token; |
| __le16 status; |
| __le16 capab; |
| __le16 timeout; |
| } __attribute__((packed)) addba_resp; |
| struct{ |
| u8 action_code; |
| __le16 params; |
| __le16 reason_code; |
| } __attribute__((packed)) delba; |
| struct{ |
| u8 action_code; |
| /* capab_info for open and confirm, |
| * reason for close |
| */ |
| __le16 aux; |
| /* Followed in plink_confirm by status |
| * code, AID and supported rates, |
| * and directly by supported rates in |
| * plink_open and plink_close |
| */ |
| u8 variable[0]; |
| } __attribute__((packed)) plink_action; |
| struct{ |
| u8 action_code; |
| u8 variable[0]; |
| } __attribute__((packed)) mesh_action; |
| } 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)); |
| |
| /** |
| * struct ieee80211_bar - HT Block Ack Request |
| * |
| * This structure refers to "HT BlockAckReq" as |
| * described in 802.11n draft section 7.2.1.7.1 |
| */ |
| struct ieee80211_bar { |
| __le16 frame_control; |
| __le16 duration; |
| __u8 ra[6]; |
| __u8 ta[6]; |
| __le16 control; |
| __le16 start_seq_num; |
| } __attribute__((packed)); |
| |
| /* 802.11 BAR control masks */ |
| #define IEEE80211_BAR_CTRL_ACK_POLICY_NORMAL 0x0000 |
| #define IEEE80211_BAR_CTRL_CBMTID_COMPRESSED_BA 0x0004 |
| |
| /** |
| * struct ieee80211_ht_cap - HT capabilities |
| * |
| * This structure refers to "HT capabilities element" as |
| * described in 802.11n draft section 7.3.2.52 |
| */ |
| struct ieee80211_ht_cap { |
| __le16 cap_info; |
| u8 ampdu_params_info; |
| u8 supp_mcs_set[16]; |
| __le16 extended_ht_cap_info; |
| __le32 tx_BF_cap_info; |
| u8 antenna_selection_info; |
| } __attribute__ ((packed)); |
| |
| /** |
| * struct ieee80211_ht_cap - HT additional information |
| * |
| * This structure refers to "HT information element" as |
| * described in 802.11n draft section 7.3.2.53 |
| */ |
| struct ieee80211_ht_addt_info { |
| u8 control_chan; |
| u8 ht_param; |
| __le16 operation_mode; |
| __le16 stbc_param; |
| u8 basic_set[16]; |
| } __attribute__ ((packed)); |
| |
| /* 802.11n HT capabilities masks */ |
| #define IEEE80211_HT_CAP_SUP_WIDTH 0x0002 |
| #define IEEE80211_HT_CAP_MIMO_PS 0x000C |
| #define IEEE80211_HT_CAP_GRN_FLD 0x0010 |
| #define IEEE80211_HT_CAP_SGI_20 0x0020 |
| #define IEEE80211_HT_CAP_SGI_40 0x0040 |
| #define IEEE80211_HT_CAP_DELAY_BA 0x0400 |
| #define IEEE80211_HT_CAP_MAX_AMSDU 0x0800 |
| /* 802.11n HT capability AMPDU settings */ |
| #define IEEE80211_HT_CAP_AMPDU_FACTOR 0x03 |
| #define IEEE80211_HT_CAP_AMPDU_DENSITY 0x1C |
| /* 802.11n HT capability MSC set */ |
| #define IEEE80211_SUPP_MCS_SET_UEQM 4 |
| #define IEEE80211_HT_CAP_MAX_STREAMS 4 |
| #define IEEE80211_SUPP_MCS_SET_LEN 10 |
| /* maximum streams the spec allows */ |
| #define IEEE80211_HT_CAP_MCS_TX_DEFINED 0x01 |
| #define IEEE80211_HT_CAP_MCS_TX_RX_DIFF 0x02 |
| #define IEEE80211_HT_CAP_MCS_TX_STREAMS 0x0C |
| #define IEEE80211_HT_CAP_MCS_TX_UEQM 0x10 |
| /* 802.11n HT IE masks */ |
| #define IEEE80211_HT_IE_CHA_SEC_OFFSET 0x03 |
| #define IEEE80211_HT_IE_CHA_SEC_NONE 0x00 |
| #define IEEE80211_HT_IE_CHA_SEC_ABOVE 0x01 |
| #define IEEE80211_HT_IE_CHA_SEC_BELOW 0x03 |
| #define IEEE80211_HT_IE_CHA_WIDTH 0x04 |
| #define IEEE80211_HT_IE_HT_PROTECTION 0x0003 |
| #define IEEE80211_HT_IE_NON_GF_STA_PRSNT 0x0004 |
| #define IEEE80211_HT_IE_NON_HT_STA_PRSNT 0x0010 |
| |
| /* MIMO Power Save Modes */ |
| #define WLAN_HT_CAP_MIMO_PS_STATIC 0 |
| #define WLAN_HT_CAP_MIMO_PS_DYNAMIC 1 |
| #define WLAN_HT_CAP_MIMO_PS_INVALID 2 |
| #define WLAN_HT_CAP_MIMO_PS_DISABLED 3 |
| |
| /* 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) |
| /* measurement */ |
| #define IEEE80211_SPCT_MSR_RPRT_MODE_LATE (1<<0) |
| #define IEEE80211_SPCT_MSR_RPRT_MODE_INCAPABLE (1<<1) |
| #define IEEE80211_SPCT_MSR_RPRT_MODE_REFUSED (1<<2) |
| |
| #define IEEE80211_SPCT_MSR_RPRT_TYPE_BASIC 0 |
| #define IEEE80211_SPCT_MSR_RPRT_TYPE_CCA 1 |
| #define IEEE80211_SPCT_MSR_RPRT_TYPE_RPI 2 |
| |
| |
| /* 802.11g ERP information element */ |
| #define WLAN_ERP_NON_ERP_PRESENT (1<<0) |
| #define WLAN_ERP_USE_PROTECTION (1<<1) |
| #define WLAN_ERP_BARKER_PREAMBLE (1<<2) |
| |
| /* WLAN_ERP_BARKER_PREAMBLE values */ |
| enum { |
| WLAN_ERP_PREAMBLE_SHORT = 0, |
| WLAN_ERP_PREAMBLE_LONG = 1, |
| }; |
| |
| /* 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, |
| /* 802.11e */ |
| WLAN_STATUS_UNSPECIFIED_QOS = 32, |
| WLAN_STATUS_ASSOC_DENIED_NOBANDWIDTH = 33, |
| WLAN_STATUS_ASSOC_DENIED_LOWACK = 34, |
| WLAN_STATUS_ASSOC_DENIED_UNSUPP_QOS = 35, |
| WLAN_STATUS_REQUEST_DECLINED = 37, |
| WLAN_STATUS_INVALID_QOS_PARAM = 38, |
| WLAN_STATUS_CHANGE_TSPEC = 39, |
| WLAN_STATUS_WAIT_TS_DELAY = 47, |
| WLAN_STATUS_NO_DIRECT_LINK = 48, |
| WLAN_STATUS_STA_NOT_PRESENT = 49, |
| WLAN_STATUS_STA_NOT_QSTA = 50, |
| }; |
| |
| |
| /* 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, |
| /* 802.11e */ |
| WLAN_REASON_DISASSOC_UNSPECIFIED_QOS = 32, |
| WLAN_REASON_DISASSOC_QAP_NO_BANDWIDTH = 33, |
| WLAN_REASON_DISASSOC_LOW_ACK = 34, |
| WLAN_REASON_DISASSOC_QAP_EXCEED_TXOP = 35, |
| WLAN_REASON_QSTA_LEAVE_QBSS = 36, |
| WLAN_REASON_QSTA_NOT_USE = 37, |
| WLAN_REASON_QSTA_REQUIRE_SETUP = 38, |
| WLAN_REASON_QSTA_TIMEOUT = 39, |
| WLAN_REASON_QSTA_CIPHER_NOT_SUPP = 45, |
| }; |
| |
| |
| /* 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, |
| /* 802.11e */ |
| WLAN_EID_QBSS_LOAD = 11, |
| WLAN_EID_EDCA_PARAM_SET = 12, |
| WLAN_EID_TSPEC = 13, |
| WLAN_EID_TCLAS = 14, |
| WLAN_EID_SCHEDULE = 15, |
| WLAN_EID_TS_DELAY = 43, |
| WLAN_EID_TCLAS_PROCESSING = 44, |
| WLAN_EID_QOS_CAPA = 46, |
| /* 802.11s |
| * |
| * All mesh EID numbers are pending IEEE 802.11 ANA approval. |
| * The numbers have been incremented from those suggested in |
| * 802.11s/D2.0 so that MESH_CONFIG does not conflict with |
| * EXT_SUPP_RATES. |
| */ |
| WLAN_EID_MESH_CONFIG = 51, |
| WLAN_EID_MESH_ID = 52, |
| WLAN_EID_PEER_LINK = 55, |
| WLAN_EID_PREQ = 68, |
| WLAN_EID_PREP = 69, |
| WLAN_EID_PERR = 70, |
| /* 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, |
| /* 802.11n */ |
| WLAN_EID_HT_CAPABILITY = 45, |
| WLAN_EID_HT_EXTRA_INFO = 61, |
| /* 802.11i */ |
| WLAN_EID_RSN = 48, |
| WLAN_EID_WPA = 221, |
| WLAN_EID_GENERIC = 221, |
| WLAN_EID_VENDOR_SPECIFIC = 221, |
| WLAN_EID_QOS_PARAMETER = 222 |
| }; |
| |
| /* Action category code */ |
| enum ieee80211_category { |
| WLAN_CATEGORY_SPECTRUM_MGMT = 0, |
| WLAN_CATEGORY_QOS = 1, |
| WLAN_CATEGORY_DLS = 2, |
| WLAN_CATEGORY_BACK = 3, |
| WLAN_CATEGORY_WMM = 17, |
| }; |
| |
| /* SPECTRUM_MGMT action code */ |
| enum ieee80211_spectrum_mgmt_actioncode { |
| WLAN_ACTION_SPCT_MSR_REQ = 0, |
| WLAN_ACTION_SPCT_MSR_RPRT = 1, |
| WLAN_ACTION_SPCT_TPC_REQ = 2, |
| WLAN_ACTION_SPCT_TPC_RPRT = 3, |
| WLAN_ACTION_SPCT_CHL_SWITCH = 4, |
| }; |
| |
| /* BACK action code */ |
| enum ieee80211_back_actioncode { |
| WLAN_ACTION_ADDBA_REQ = 0, |
| WLAN_ACTION_ADDBA_RESP = 1, |
| WLAN_ACTION_DELBA = 2, |
| }; |
| |
| /* BACK (block-ack) parties */ |
| enum ieee80211_back_parties { |
| WLAN_BACK_RECIPIENT = 0, |
| WLAN_BACK_INITIATOR = 1, |
| WLAN_BACK_TIMER = 2, |
| }; |
| |
| /* A-MSDU 802.11n */ |
| #define IEEE80211_QOS_CONTROL_A_MSDU_PRESENT 0x0080 |
| |
| /* 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 |
| |
| /** |
| * ieee80211_get_qos_ctl - get pointer to qos control bytes |
| * @hdr: the frame |
| * |
| * The qos ctrl bytes come after the frame_control, duration, seq_num |
| * and 3 or 4 addresses of length ETH_ALEN. |
| * 3 addr: 2 + 2 + 2 + 3*6 = 24 |
| * 4 addr: 2 + 2 + 2 + 4*6 = 30 |
| */ |
| static inline u8 *ieee80211_get_qos_ctl(struct ieee80211_hdr *hdr) |
| { |
| if (ieee80211_has_a4(hdr->frame_control)) |
| return (u8 *)hdr + 30; |
| else |
| return (u8 *)hdr + 24; |
| } |
| |
| /** |
| * ieee80211_get_SA - get pointer to SA |
| * @hdr: the frame |
| * |
| * Given an 802.11 frame, this function returns the offset |
| * to the source address (SA). It does not verify that the |
| * header is long enough to contain the address, and the |
| * header must be long enough to contain the frame control |
| * field. |
| */ |
| static inline u8 *ieee80211_get_SA(struct ieee80211_hdr *hdr) |
| { |
| if (ieee80211_has_a4(hdr->frame_control)) |
| return hdr->addr4; |
| if (ieee80211_has_fromds(hdr->frame_control)) |
| return hdr->addr3; |
| return hdr->addr2; |
| } |
| |
| /** |
| * ieee80211_get_DA - get pointer to DA |
| * @hdr: the frame |
| * |
| * Given an 802.11 frame, this function returns the offset |
| * to the destination address (DA). It does not verify that |
| * the header is long enough to contain the address, and the |
| * header must be long enough to contain the frame control |
| * field. |
| */ |
| static inline u8 *ieee80211_get_DA(struct ieee80211_hdr *hdr) |
| { |
| if (ieee80211_has_tods(hdr->frame_control)) |
| return hdr->addr3; |
| else |
| return hdr->addr1; |
| } |
| |
| #endif /* IEEE80211_H */ |
