/* * IEEE 802.11 defines * * Copyright (c) 2001-2002, SSH Communications Security Corp and Jouni Malinen * * Copyright (c) 2002-2003, Jouni Malinen * Copyright (c) 2005, Devicescape Software, Inc. * Copyright (c) 2006, Michael Wu * Copyright (c) 2013 - 2014 Intel Mobile Communications GmbH * * 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 LINUX_IEEE80211_H #define LINUX_IEEE80211_H #include #include #include /* * DS bit usage * * TA = transmitter address * RA = receiver address * DA = destination address * SA = source address * * ToDS FromDS A1(RA) A2(TA) A3 A4 Use * ----------------------------------------------------------------- * 0 0 DA SA BSSID - IBSS/DLS * 0 1 DA BSSID SA - AP -> STA * 1 0 BSSID SA DA - AP <- STA * 1 1 RA TA DA SA unspecified (WDS) */ #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_FCTL_CTL_EXT 0x0f00 #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 #define IEEE80211_FTYPE_EXT 0x000c /* 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_CTL_EXT 0x0060 #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 /* extension, added by 802.11ad */ #define IEEE80211_STYPE_DMG_BEACON 0x0000 /* control extension - for IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTL_EXT */ #define IEEE80211_CTL_EXT_POLL 0x2000 #define IEEE80211_CTL_EXT_SPR 0x3000 #define IEEE80211_CTL_EXT_GRANT 0x4000 #define IEEE80211_CTL_EXT_DMG_CTS 0x5000 #define IEEE80211_CTL_EXT_DMG_DTS 0x6000 #define IEEE80211_CTL_EXT_SSW 0x8000 #define IEEE80211_CTL_EXT_SSW_FBACK 0x9000 #define IEEE80211_CTL_EXT_SSW_ACK 0xa000 #define IEEE80211_SN_MASK ((IEEE80211_SCTL_SEQ) >> 4) #define IEEE80211_MAX_SN IEEE80211_SN_MASK #define IEEE80211_SN_MODULO (IEEE80211_MAX_SN + 1) static inline int ieee80211_sn_less(u16 sn1, u16 sn2) { return ((sn1 - sn2) & IEEE80211_SN_MASK) > (IEEE80211_SN_MODULO >> 1); } static inline u16 ieee80211_sn_add(u16 sn1, u16 sn2) { return (sn1 + sn2) & IEEE80211_SN_MASK; } static inline u16 ieee80211_sn_inc(u16 sn) { return ieee80211_sn_add(sn, 1); } static inline u16 ieee80211_sn_sub(u16 sn1, u16 sn2) { return (sn1 - sn2) & IEEE80211_SN_MASK; } #define IEEE80211_SEQ_TO_SN(seq) (((seq) & IEEE80211_SCTL_SEQ) >> 4) #define IEEE80211_SN_TO_SEQ(ssn) (((ssn) << 4) & IEEE80211_SCTL_SEQ) /* 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 #define IEEE80211_MAX_MESH_PEERINGS 63 /* 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 /* 802.11ad extends maximum MSDU size for DMG (freq > 40Ghz) networks * to 7920 bytes, see 8.2.3 General frame format */ #define IEEE80211_MAX_DATA_LEN_DMG 7920 /* 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_FIRST_TSPEC_TSID 8 #define IEEE80211_NUM_TIDS 16 /* number of user priorities 802.11 uses */ #define IEEE80211_NUM_UPS 8 #define IEEE80211_QOS_CTL_LEN 2 /* 1d tag mask */ #define IEEE80211_QOS_CTL_TAG1D_MASK 0x0007 /* TID mask */ #define IEEE80211_QOS_CTL_TID_MASK 0x000f /* EOSP */ #define IEEE80211_QOS_CTL_EOSP 0x0010 /* ACK policy */ #define IEEE80211_QOS_CTL_ACK_POLICY_NORMAL 0x0000 #define IEEE80211_QOS_CTL_ACK_POLICY_NOACK 0x0020 #define IEEE80211_QOS_CTL_ACK_POLICY_NO_EXPL 0x0040 #define IEEE80211_QOS_CTL_ACK_POLICY_BLOCKACK 0x0060 #define IEEE80211_QOS_CTL_ACK_POLICY_MASK 0x0060 /* A-MSDU 802.11n */ #define IEEE80211_QOS_CTL_A_MSDU_PRESENT 0x0080 /* Mesh Control 802.11s */ #define IEEE80211_QOS_CTL_MESH_CONTROL_PRESENT 0x0100 /* Mesh Power Save Level */ #define IEEE80211_QOS_CTL_MESH_PS_LEVEL 0x0200 /* Mesh Receiver Service Period Initiated */ #define IEEE80211_QOS_CTL_RSPI 0x0400 /* U-APSD queue for WMM IEs sent by AP */ #define IEEE80211_WMM_IE_AP_QOSINFO_UAPSD (1<<7) #define IEEE80211_WMM_IE_AP_QOSINFO_PARAM_SET_CNT_MASK 0x0f /* U-APSD queues for WMM IEs sent by STA */ #define IEEE80211_WMM_IE_STA_QOSINFO_AC_VO (1<<0) #define IEEE80211_WMM_IE_STA_QOSINFO_AC_VI (1<<1) #define IEEE80211_WMM_IE_STA_QOSINFO_AC_BK (1<<2) #define IEEE80211_WMM_IE_STA_QOSINFO_AC_BE (1<<3) #define IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK 0x0f /* U-APSD max SP length for WMM IEs sent by STA */ #define IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL 0x00 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_2 0x01 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_4 0x02 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_6 0x03 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK 0x03 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_SHIFT 5 #define IEEE80211_HT_CTL_LEN 4 struct ieee80211_hdr { __le16 frame_control; __le16 duration_id; u8 addr1[ETH_ALEN]; u8 addr2[ETH_ALEN]; u8 addr3[ETH_ALEN]; __le16 seq_ctrl; u8 addr4[ETH_ALEN]; } __packed __aligned(2); struct ieee80211_hdr_3addr { __le16 frame_control; __le16 duration_id; u8 addr1[ETH_ALEN]; u8 addr2[ETH_ALEN]; u8 addr3[ETH_ALEN]; __le16 seq_ctrl; } __packed __aligned(2); struct ieee80211_qos_hdr { __le16 frame_control; __le16 duration_id; u8 addr1[ETH_ALEN]; u8 addr2[ETH_ALEN]; u8 addr3[ETH_ALEN]; __le16 seq_ctrl; __le16 qos_ctrl; } __packed __aligned(2); /** * 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 frame is a regular (non-QoS) nullfunc frame * @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); } /** * ieee80211_is_qos_nullfunc - check if frame is a QoS nullfunc frame * @fc: frame control bytes in little-endian byteorder */ static inline int ieee80211_is_qos_nullfunc(__le16 fc) { return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_NULLFUNC); } /** * ieee80211_is_bufferable_mmpdu - check if frame is bufferable MMPDU * @fc: frame control field in little-endian byteorder */ static inline bool ieee80211_is_bufferable_mmpdu(__le16 fc) { /* IEEE 802.11-2012, definition of "bufferable management frame"; * note that this ignores the IBSS special case. */ return ieee80211_is_mgmt(fc) && (ieee80211_is_action(fc) || ieee80211_is_disassoc(fc) || ieee80211_is_deauth(fc)); } /** * ieee80211_is_first_frag - check if IEEE80211_SCTL_FRAG is not set * @seq_ctrl: frame sequence control bytes in little-endian byteorder */ static inline int ieee80211_is_first_frag(__le16 seq_ctrl) { return (seq_ctrl & cpu_to_le16(IEEE80211_SCTL_FRAG)) == 0; } struct ieee80211s_hdr { u8 flags; u8 ttl; __le32 seqnum; u8 eaddr1[ETH_ALEN]; u8 eaddr2[ETH_ALEN]; } __packed __aligned(2); /* Mesh flags */ #define MESH_FLAGS_AE_A4 0x1 #define MESH_FLAGS_AE_A5_A6 0x2 #define MESH_FLAGS_AE 0x3 #define MESH_FLAGS_PS_DEEP 0x4 /** * enum ieee80211_preq_flags - mesh PREQ element flags * * @IEEE80211_PREQ_PROACTIVE_PREP_FLAG: proactive PREP subfield */ enum ieee80211_preq_flags { IEEE80211_PREQ_PROACTIVE_PREP_FLAG = 1<<2, }; /** * enum ieee80211_preq_target_flags - mesh PREQ element per target flags * * @IEEE80211_PREQ_TO_FLAG: target only subfield * @IEEE80211_PREQ_USN_FLAG: unknown target HWMP sequence number subfield */ enum ieee80211_preq_target_flags { IEEE80211_PREQ_TO_FLAG = 1<<0, IEEE80211_PREQ_USN_FLAG = 1<<2, }; /** * struct ieee80211_quiet_ie * * This structure refers to "Quiet information element" */ struct ieee80211_quiet_ie { u8 count; u8 period; __le16 duration; __le16 offset; } __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]; } __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; } __packed; /** * struct ieee80211_ext_chansw_ie * * This structure represents the "Extended Channel Switch Announcement element" */ struct ieee80211_ext_chansw_ie { u8 mode; u8 new_operating_class; u8 new_ch_num; u8 count; } __packed; /** * struct ieee80211_sec_chan_offs_ie - secondary channel offset IE * @sec_chan_offs: secondary channel offset, uses IEEE80211_HT_PARAM_CHA_SEC_* * values here * This structure represents the "Secondary Channel Offset element" */ struct ieee80211_sec_chan_offs_ie { u8 sec_chan_offs; } __packed; /** * struct ieee80211_mesh_chansw_params_ie - mesh channel switch parameters IE * * This structure represents the "Mesh Channel Switch Paramters element" */ struct ieee80211_mesh_chansw_params_ie { u8 mesh_ttl; u8 mesh_flags; __le16 mesh_reason; __le16 mesh_pre_value; } __packed; /** * struct ieee80211_wide_bw_chansw_ie - wide bandwidth channel switch IE */ struct ieee80211_wide_bw_chansw_ie { u8 new_channel_width; u8 new_center_freq_seg0, new_center_freq_seg1; } __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[1]; } __packed; /** * struct ieee80211_meshconf_ie * * This structure refers to "Mesh Configuration information element" */ struct ieee80211_meshconf_ie { u8 meshconf_psel; u8 meshconf_pmetric; u8 meshconf_congest; u8 meshconf_synch; u8 meshconf_auth; u8 meshconf_form; u8 meshconf_cap; } __packed; /** * enum mesh_config_capab_flags - Mesh Configuration IE capability field flags * * @IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS: STA is willing to establish * additional mesh peerings with other mesh STAs * @IEEE80211_MESHCONF_CAPAB_FORWARDING: the STA forwards MSDUs * @IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING: TBTT adjustment procedure * is ongoing * @IEEE80211_MESHCONF_CAPAB_POWER_SAVE_LEVEL: STA is in deep sleep mode or has * neighbors in deep sleep mode */ enum mesh_config_capab_flags { IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS = 0x01, IEEE80211_MESHCONF_CAPAB_FORWARDING = 0x08, IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING = 0x20, IEEE80211_MESHCONF_CAPAB_POWER_SAVE_LEVEL = 0x40, }; /** * mesh channel switch parameters element's flag indicator * */ #define WLAN_EID_CHAN_SWITCH_PARAM_TX_RESTRICT BIT(0) #define WLAN_EID_CHAN_SWITCH_PARAM_INITIATOR BIT(1) #define WLAN_EID_CHAN_SWITCH_PARAM_REASON BIT(2) /** * struct ieee80211_rann_ie * * This structure refers to "Root Announcement information element" */ struct ieee80211_rann_ie { u8 rann_flags; u8 rann_hopcount; u8 rann_ttl; u8 rann_addr[ETH_ALEN]; __le32 rann_seq; __le32 rann_interval; __le32 rann_metric; } __packed; enum ieee80211_rann_flags { RANN_FLAG_IS_GATE = 1 << 0, }; enum ieee80211_ht_chanwidth_values { IEEE80211_HT_CHANWIDTH_20MHZ = 0, IEEE80211_HT_CHANWIDTH_ANY = 1, }; /** * enum ieee80211_opmode_bits - VHT operating mode field bits * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK: channel width mask * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ: 20 MHz channel width * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_40MHZ: 40 MHz channel width * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_80MHZ: 80 MHz channel width * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_160MHZ: 160 MHz or 80+80 MHz channel width * @IEEE80211_OPMODE_NOTIF_RX_NSS_MASK: number of spatial streams mask * (the NSS value is the value of this field + 1) * @IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT: number of spatial streams shift * @IEEE80211_OPMODE_NOTIF_RX_NSS_TYPE_BF: indicates streams in SU-MIMO PPDU * using a beamforming steering matrix */ enum ieee80211_vht_opmode_bits { IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK = 3, IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ = 0, IEEE80211_OPMODE_NOTIF_CHANWIDTH_40MHZ = 1, IEEE80211_OPMODE_NOTIF_CHANWIDTH_80MHZ = 2, IEEE80211_OPMODE_NOTIF_CHANWIDTH_160MHZ = 3, IEEE80211_OPMODE_NOTIF_RX_NSS_MASK = 0x70, IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT = 4, IEEE80211_OPMODE_NOTIF_RX_NSS_TYPE_BF = 0x80, }; #define WLAN_SA_QUERY_TR_ID_LEN 2 /** * struct ieee80211_tpc_report_ie * * This structure refers to "TPC Report element" */ struct ieee80211_tpc_report_ie { u8 tx_power; u8 link_margin; } __packed; struct ieee80211_mgmt { __le16 frame_control; __le16 duration; u8 da[ETH_ALEN]; u8 sa[ETH_ALEN]; u8 bssid[ETH_ALEN]; __le16 seq_ctrl; union { struct { __le16 auth_alg; __le16 auth_transaction; __le16 status_code; /* possibly followed by Challenge text */ u8 variable[0]; } __packed auth; struct { __le16 reason_code; } __packed deauth; struct { __le16 capab_info; __le16 listen_interval; /* followed by SSID and Supported rates */ u8 variable[0]; } __packed assoc_req; struct { __le16 capab_info; __le16 status_code; __le16 aid; /* followed by Supported rates */ u8 variable[0]; } __packed assoc_resp, reassoc_resp; struct { __le16 capab_info; __le16 listen_interval; u8 current_ap[ETH_ALEN]; /* followed by SSID and Supported rates */ u8 variable[0]; } __packed reassoc_req; struct { __le16 reason_code; } __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]; } __packed beacon; struct { /* only variable items: SSID, Supported rates */ u8 variable[0]; } __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]; } __packed probe_resp; struct { u8 category; union { struct { u8 action_code; u8 dialog_token; u8 status_code; u8 variable[0]; } __packed wme_action; struct{ u8 action_code; u8 variable[0]; } __packed chan_switch; struct{ u8 action_code; struct ieee80211_ext_chansw_ie data; u8 variable[0]; } __packed ext_chan_switch; struct{ u8 action_code; u8 dialog_token; u8 element_id; u8 length; struct ieee80211_msrment_ie msr_elem; } __packed measurement; struct{ u8 action_code; u8 dialog_token; __le16 capab; __le16 timeout; __le16 start_seq_num; } __packed addba_req; struct{ u8 action_code; u8 dialog_token; __le16 status; __le16 capab; __le16 timeout; } __packed addba_resp; struct{ u8 action_code; __le16 params; __le16 reason_code; } __packed delba; struct { u8 action_code; u8 variable[0]; } __packed self_prot; struct{ u8 action_code; u8 variable[0]; } __packed mesh_action; struct { u8 action; u8 trans_id[WLAN_SA_QUERY_TR_ID_LEN]; } __packed sa_query; struct { u8 action; u8 smps_control; } __packed ht_smps; struct { u8 action_code; u8 chanwidth; } __packed ht_notify_cw; struct { u8 action_code; u8 dialog_token; __le16 capability; u8 variable[0]; } __packed tdls_discover_resp; struct { u8 action_code; u8 operating_mode; } __packed vht_opmode_notif; struct { u8 action_code; u8 dialog_token; u8 tpc_elem_id; u8 tpc_elem_length; struct ieee80211_tpc_report_ie tpc; } __packed tpc_report; } u; } __packed action; } u; } __packed __aligned(2); /* Supported Rates value encodings in 802.11n-2009 7.3.2.2 */ #define BSS_MEMBERSHIP_SELECTOR_HT_PHY 127 /* mgmt header + 1 byte category code */ #define IEEE80211_MIN_ACTION_SIZE offsetof(struct ieee80211_mgmt, u.action.u) /* Management MIC information element (IEEE 802.11w) */ struct ieee80211_mmie { u8 element_id; u8 length; __le16 key_id; u8 sequence_number[6]; u8 mic[8]; } __packed; struct ieee80211_vendor_ie { u8 element_id; u8 len; u8 oui[3]; u8 oui_type; } __packed; struct ieee80211_wmm_ac_param { u8 aci_aifsn; /* AIFSN, ACM, ACI */ u8 cw; /* ECWmin, ECWmax (CW = 2^ECW - 1) */ __le16 txop_limit; } __packed; struct ieee80211_wmm_param_ie { u8 element_id; /* Element ID: 221 (0xdd); */ u8 len; /* Length: 24 */ /* required fields for WMM version 1 */ u8 oui[3]; /* 00:50:f2 */ u8 oui_type; /* 2 */ u8 oui_subtype; /* 1 */ u8 version; /* 1 for WMM version 1.0 */ u8 qos_info; /* AP/STA specific QoS info */ u8 reserved; /* 0 */ /* AC_BE, AC_BK, AC_VI, AC_VO */ struct ieee80211_wmm_ac_param ac[4]; } __packed; /* Control frames */ struct ieee80211_rts { __le16 frame_control; __le16 duration; u8 ra[ETH_ALEN]; u8 ta[ETH_ALEN]; } __packed __aligned(2); struct ieee80211_cts { __le16 frame_control; __le16 duration; u8 ra[ETH_ALEN]; } __packed __aligned(2); struct ieee80211_pspoll { __le16 frame_control; __le16 aid; u8 bssid[ETH_ALEN]; u8 ta[ETH_ALEN]; } __packed __aligned(2); /* TDLS */ /* Link-id information element */ struct ieee80211_tdls_lnkie { u8 ie_type; /* Link Identifier IE */ u8 ie_len; u8 bssid[ETH_ALEN]; u8 init_sta[ETH_ALEN]; u8 resp_sta[ETH_ALEN]; } __packed; struct ieee80211_tdls_data { u8 da[ETH_ALEN]; u8 sa[ETH_ALEN]; __be16 ether_type; u8 payload_type; u8 category; u8 action_code; union { struct { u8 dialog_token; __le16 capability; u8 variable[0]; } __packed setup_req; struct { __le16 status_code; u8 dialog_token; __le16 capability; u8 variable[0]; } __packed setup_resp; struct { __le16 status_code; u8 dialog_token; u8 variable[0]; } __packed setup_cfm; struct { __le16 reason_code; u8 variable[0]; } __packed teardown; struct { u8 dialog_token; u8 variable[0]; } __packed discover_req; } u; } __packed; /* * Peer-to-Peer IE attribute related definitions. */ /** * enum ieee80211_p2p_attr_id - identifies type of peer-to-peer attribute. */ enum ieee80211_p2p_attr_id { IEEE80211_P2P_ATTR_STATUS = 0, IEEE80211_P2P_ATTR_MINOR_REASON, IEEE80211_P2P_ATTR_CAPABILITY, IEEE80211_P2P_ATTR_DEVICE_ID, IEEE80211_P2P_ATTR_GO_INTENT, IEEE80211_P2P_ATTR_GO_CONFIG_TIMEOUT, IEEE80211_P2P_ATTR_LISTEN_CHANNEL, IEEE80211_P2P_ATTR_GROUP_BSSID, IEEE80211_P2P_ATTR_EXT_LISTEN_TIMING, IEEE80211_P2P_ATTR_INTENDED_IFACE_ADDR, IEEE80211_P2P_ATTR_MANAGABILITY, IEEE80211_P2P_ATTR_CHANNEL_LIST, IEEE80211_P2P_ATTR_ABSENCE_NOTICE, IEEE80211_P2P_ATTR_DEVICE_INFO, IEEE80211_P2P_ATTR_GROUP_INFO, IEEE80211_P2P_ATTR_GROUP_ID, IEEE80211_P2P_ATTR_INTERFACE, IEEE80211_P2P_ATTR_OPER_CHANNEL, IEEE80211_P2P_ATTR_INVITE_FLAGS, /* 19 - 220: Reserved */ IEEE80211_P2P_ATTR_VENDOR_SPECIFIC = 221, IEEE80211_P2P_ATTR_MAX }; /* Notice of Absence attribute - described in P2P spec 4.1.14 */ /* Typical max value used here */ #define IEEE80211_P2P_NOA_DESC_MAX 4 struct ieee80211_p2p_noa_desc { u8 count; __le32 duration; __le32 interval; __le32 start_time; } __packed; struct ieee80211_p2p_noa_attr { u8 index; u8 oppps_ctwindow; struct ieee80211_p2p_noa_desc desc[IEEE80211_P2P_NOA_DESC_MAX]; } __packed; #define IEEE80211_P2P_OPPPS_ENABLE_BIT BIT(7) #define IEEE80211_P2P_OPPPS_CTWINDOW_MASK 0x7F /** * 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[ETH_ALEN]; __u8 ta[ETH_ALEN]; __le16 control; __le16 start_seq_num; } __packed; /* 802.11 BAR control masks */ #define IEEE80211_BAR_CTRL_ACK_POLICY_NORMAL 0x0000 #define IEEE80211_BAR_CTRL_MULTI_TID 0x0002 #define IEEE80211_BAR_CTRL_CBMTID_COMPRESSED_BA 0x0004 #define IEEE80211_BAR_CTRL_TID_INFO_MASK 0xf000 #define IEEE80211_BAR_CTRL_TID_INFO_SHIFT 12 #define IEEE80211_HT_MCS_MASK_LEN 10 /** * struct ieee80211_mcs_info - MCS information * @rx_mask: RX mask * @rx_highest: highest supported RX rate. If set represents * the highest supported RX data rate in units of 1 Mbps. * If this field is 0 this value should not be used to * consider the highest RX data rate supported. * @tx_params: TX parameters */ struct ieee80211_mcs_info { u8 rx_mask[IEEE80211_HT_MCS_MASK_LEN]; __le16 rx_highest; u8 tx_params; u8 reserved[3]; } __packed; /* 802.11n HT capability MSC set */ #define IEEE80211_HT_MCS_RX_HIGHEST_MASK 0x3ff #define IEEE80211_HT_MCS_TX_DEFINED 0x01 #define IEEE80211_HT_MCS_TX_RX_DIFF 0x02 /* value 0 == 1 stream etc */ #define IEEE80211_HT_MCS_TX_MAX_STREAMS_MASK 0x0C #define IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT 2 #define IEEE80211_HT_MCS_TX_MAX_STREAMS 4 #define IEEE80211_HT_MCS_TX_UNEQUAL_MODULATION 0x10 /* * 802.11n D5.0 20.3.5 / 20.6 says: * - indices 0 to 7 and 32 are single spatial stream * - 8 to 31 are multiple spatial streams using equal modulation * [8..15 for two streams, 16..23 for three and 24..31 for four] * - remainder are multiple spatial streams using unequal modulation */ #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START 33 #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START_BYTE \ (IEEE80211_HT_MCS_UNEQUAL_MODULATION_START / 8) /** * struct ieee80211_ht_cap - HT capabilities * * This structure is the "HT capabilities element" as * described in 802.11n D5.0 7.3.2.57 */ struct ieee80211_ht_cap { __le16 cap_info; u8 ampdu_params_info; /* 16 bytes MCS information */ struct ieee80211_mcs_info mcs; __le16 extended_ht_cap_info; __le32 tx_BF_cap_info; u8 antenna_selection_info; } __packed; /* 802.11n HT capabilities masks (for cap_info) */ #define IEEE80211_HT_CAP_LDPC_CODING 0x0001 #define IEEE80211_HT_CAP_SUP_WIDTH_20_40 0x0002 #define IEEE80211_HT_CAP_SM_PS 0x000C #define IEEE80211_HT_CAP_SM_PS_SHIFT 2 #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_TX_STBC 0x0080 #define IEEE80211_HT_CAP_RX_STBC 0x0300 #define IEEE80211_HT_CAP_RX_STBC_SHIFT 8 #define IEEE80211_HT_CAP_DELAY_BA 0x0400 #define IEEE80211_HT_CAP_MAX_AMSDU 0x0800 #define IEEE80211_HT_CAP_DSSSCCK40 0x1000 #define IEEE80211_HT_CAP_RESERVED 0x2000 #define IEEE80211_HT_CAP_40MHZ_INTOLERANT 0x4000 #define IEEE80211_HT_CAP_LSIG_TXOP_PROT 0x8000 /* 802.11n HT extended capabilities masks (for extended_ht_cap_info) */ #define IEEE80211_HT_EXT_CAP_PCO 0x0001 #define IEEE80211_HT_EXT_CAP_PCO_TIME 0x0006 #define IEEE80211_HT_EXT_CAP_PCO_TIME_SHIFT 1 #define IEEE80211_HT_EXT_CAP_MCS_FB 0x0300 #define IEEE80211_HT_EXT_CAP_MCS_FB_SHIFT 8 #define IEEE80211_HT_EXT_CAP_HTC_SUP 0x0400 #define IEEE80211_HT_EXT_CAP_RD_RESPONDER 0x0800 /* 802.11n HT capability AMPDU settings (for ampdu_params_info) */ #define IEEE80211_HT_AMPDU_PARM_FACTOR 0x03 #define IEEE80211_HT_AMPDU_PARM_DENSITY 0x1C #define IEEE80211_HT_AMPDU_PARM_DENSITY_SHIFT 2 /* * Maximum length of AMPDU that the STA can receive in high-throughput (HT). * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets) */ enum ieee80211_max_ampdu_length_exp { IEEE80211_HT_MAX_AMPDU_8K = 0, IEEE80211_HT_MAX_AMPDU_16K = 1, IEEE80211_HT_MAX_AMPDU_32K = 2, IEEE80211_HT_MAX_AMPDU_64K = 3 }; /* * Maximum length of AMPDU that the STA can receive in VHT. * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets) */ enum ieee80211_vht_max_ampdu_length_exp { IEEE80211_VHT_MAX_AMPDU_8K = 0, IEEE80211_VHT_MAX_AMPDU_16K = 1, IEEE80211_VHT_MAX_AMPDU_32K = 2, IEEE80211_VHT_MAX_AMPDU_64K = 3, IEEE80211_VHT_MAX_AMPDU_128K = 4, IEEE80211_VHT_MAX_AMPDU_256K = 5, IEEE80211_VHT_MAX_AMPDU_512K = 6, IEEE80211_VHT_MAX_AMPDU_1024K = 7 }; #define IEEE80211_HT_MAX_AMPDU_FACTOR 13 /* Minimum MPDU start spacing */ enum ieee80211_min_mpdu_spacing { IEEE80211_HT_MPDU_DENSITY_NONE = 0, /* No restriction */ IEEE80211_HT_MPDU_DENSITY_0_25 = 1, /* 1/4 usec */ IEEE80211_HT_MPDU_DENSITY_0_5 = 2, /* 1/2 usec */ IEEE80211_HT_MPDU_DENSITY_1 = 3, /* 1 usec */ IEEE80211_HT_MPDU_DENSITY_2 = 4, /* 2 usec */ IEEE80211_HT_MPDU_DENSITY_4 = 5, /* 4 usec */ IEEE80211_HT_MPDU_DENSITY_8 = 6, /* 8 usec */ IEEE80211_HT_MPDU_DENSITY_16 = 7 /* 16 usec */ }; /** * struct ieee80211_ht_operation - HT operation IE * * This structure is the "HT operation element" as * described in 802.11n-2009 7.3.2.57 */ struct ieee80211_ht_operation { u8 primary_chan; u8 ht_param; __le16 operation_mode; __le16 stbc_param; u8 basic_set[16]; } __packed; /* for ht_param */ #define IEEE80211_HT_PARAM_CHA_SEC_OFFSET 0x03 #define IEEE80211_HT_PARAM_CHA_SEC_NONE 0x00 #define IEEE80211_HT_PARAM_CHA_SEC_ABOVE 0x01 #define IEEE80211_HT_PARAM_CHA_SEC_BELOW 0x03 #define IEEE80211_HT_PARAM_CHAN_WIDTH_ANY 0x04 #define IEEE80211_HT_PARAM_RIFS_MODE 0x08 /* for operation_mode */ #define IEEE80211_HT_OP_MODE_PROTECTION 0x0003 #define IEEE80211_HT_OP_MODE_PROTECTION_NONE 0 #define IEEE80211_HT_OP_MODE_PROTECTION_NONMEMBER 1 #define IEEE80211_HT_OP_MODE_PROTECTION_20MHZ 2 #define IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED 3 #define IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT 0x0004 #define IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT 0x0010 /* for stbc_param */ #define IEEE80211_HT_STBC_PARAM_DUAL_BEACON 0x0040 #define IEEE80211_HT_STBC_PARAM_DUAL_CTS_PROT 0x0080 #define IEEE80211_HT_STBC_PARAM_STBC_BEACON 0x0100 #define IEEE80211_HT_STBC_PARAM_LSIG_TXOP_FULLPROT 0x0200 #define IEEE80211_HT_STBC_PARAM_PCO_ACTIVE 0x0400 #define IEEE80211_HT_STBC_PARAM_PCO_PHASE 0x0800 /* block-ack parameters */ #define IEEE80211_ADDBA_PARAM_POLICY_MASK 0x0002 #define IEEE80211_ADDBA_PARAM_TID_MASK 0x003C #define IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK 0xFFC0 #define IEEE80211_DELBA_PARAM_TID_MASK 0xF000 #define IEEE80211_DELBA_PARAM_INITIATOR_MASK 0x0800 /* * A-PMDU buffer sizes * According to IEEE802.11n spec size varies from 8K to 64K (in powers of 2) */ #define IEEE80211_MIN_AMPDU_BUF 0x8 #define IEEE80211_MAX_AMPDU_BUF 0x40 /* Spatial Multiplexing Power Save Modes (for capability) */ #define WLAN_HT_CAP_SM_PS_STATIC 0 #define WLAN_HT_CAP_SM_PS_DYNAMIC 1 #define WLAN_HT_CAP_SM_PS_INVALID 2 #define WLAN_HT_CAP_SM_PS_DISABLED 3 /* for SM power control field lower two bits */ #define WLAN_HT_SMPS_CONTROL_DISABLED 0 #define WLAN_HT_SMPS_CONTROL_STATIC 1 #define WLAN_HT_SMPS_CONTROL_DYNAMIC 3 /** * struct ieee80211_vht_mcs_info - VHT MCS information * @rx_mcs_map: RX MCS map 2 bits for each stream, total 8 streams * @rx_highest: Indicates highest long GI VHT PPDU data rate * STA can receive. Rate expressed in units of 1 Mbps. * If this field is 0 this value should not be used to * consider the highest RX data rate supported. * The top 3 bits of this field are reserved. * @tx_mcs_map: TX MCS map 2 bits for each stream, total 8 streams * @tx_highest: Indicates highest long GI VHT PPDU data rate * STA can transmit. Rate expressed in units of 1 Mbps. * If this field is 0 this value should not be used to * consider the highest TX data rate supported. * The top 3 bits of this field are reserved. */ struct ieee80211_vht_mcs_info { __le16 rx_mcs_map; __le16 rx_highest; __le16 tx_mcs_map; __le16 tx_highest; } __packed; /** * enum ieee80211_vht_mcs_support - VHT MCS support definitions * @IEEE80211_VHT_MCS_SUPPORT_0_7: MCSes 0-7 are supported for the * number of streams * @IEEE80211_VHT_MCS_SUPPORT_0_8: MCSes 0-8 are supported * @IEEE80211_VHT_MCS_SUPPORT_0_9: MCSes 0-9 are supported * @IEEE80211_VHT_MCS_NOT_SUPPORTED: This number of streams isn't supported * * These definitions are used in each 2-bit subfield of the @rx_mcs_map * and @tx_mcs_map fields of &struct ieee80211_vht_mcs_info, which are * both split into 8 subfields by number of streams. These values indicate * which MCSes are supported for the number of streams the value appears * for. */ enum ieee80211_vht_mcs_support { IEEE80211_VHT_MCS_SUPPORT_0_7 = 0, IEEE80211_VHT_MCS_SUPPORT_0_8 = 1, IEEE80211_VHT_MCS_SUPPORT_0_9 = 2, IEEE80211_VHT_MCS_NOT_SUPPORTED = 3, }; /** * struct ieee80211_vht_cap - VHT capabilities * * This structure is the "VHT capabilities element" as * described in 802.11ac D3.0 8.4.2.160 * @vht_cap_info: VHT capability info * @supp_mcs: VHT MCS supported rates */ struct ieee80211_vht_cap { __le32 vht_cap_info; struct ieee80211_vht_mcs_info supp_mcs; } __packed; /** * enum ieee80211_vht_chanwidth - VHT channel width * @IEEE80211_VHT_CHANWIDTH_USE_HT: use the HT operation IE to * determine the channel width (20 or 40 MHz) * @IEEE80211_VHT_CHANWIDTH_80MHZ: 80 MHz bandwidth * @IEEE80211_VHT_CHANWIDTH_160MHZ: 160 MHz bandwidth * @IEEE80211_VHT_CHANWIDTH_80P80MHZ: 80+80 MHz bandwidth */ enum ieee80211_vht_chanwidth { IEEE80211_VHT_CHANWIDTH_USE_HT = 0, IEEE80211_VHT_CHANWIDTH_80MHZ = 1, IEEE80211_VHT_CHANWIDTH_160MHZ = 2, IEEE80211_VHT_CHANWIDTH_80P80MHZ = 3, }; /** * struct ieee80211_vht_operation - VHT operation IE * * This structure is the "VHT operation element" as * described in 802.11ac D3.0 8.4.2.161 * @chan_width: Operating channel width * @center_freq_seg1_idx: center freq segment 1 index * @center_freq_seg2_idx: center freq segment 2 index * @basic_mcs_set: VHT Basic MCS rate set */ struct ieee80211_vht_operation { u8 chan_width; u8 center_freq_seg1_idx; u8 center_freq_seg2_idx; __le16 basic_mcs_set; } __packed; /* 802.11ac VHT Capabilities */ #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_3895 0x00000000 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_7991 0x00000001 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454 0x00000002 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ 0x00000004 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ 0x00000008 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_MASK 0x0000000C #define IEEE80211_VHT_CAP_RXLDPC 0x00000010 #define IEEE80211_VHT_CAP_SHORT_GI_80 0x00000020 #define IEEE80211_VHT_CAP_SHORT_GI_160 0x00000040 #define IEEE80211_VHT_CAP_TXSTBC 0x00000080 #define IEEE80211_VHT_CAP_RXSTBC_1 0x00000100 #define IEEE80211_VHT_CAP_RXSTBC_2 0x00000200 #define IEEE80211_VHT_CAP_RXSTBC_3 0x00000300 #define IEEE80211_VHT_CAP_RXSTBC_4 0x00000400 #define IEEE80211_VHT_CAP_RXSTBC_MASK 0x00000700 #define IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE 0x00000800 #define IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE 0x00001000 #define IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT 13 #define IEEE80211_VHT_CAP_BEAMFORMEE_STS_MASK \ (7 << IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT) #define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT 16 #define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK \ (7 << IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT) #define IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE 0x00080000 #define IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE 0x00100000 #define IEEE80211_VHT_CAP_VHT_TXOP_PS 0x00200000 #define IEEE80211_VHT_CAP_HTC_VHT 0x00400000 #define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT 23 #define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK \ (7 << IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT) #define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_UNSOL_MFB 0x08000000 #define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_MRQ_MFB 0x0c000000 #define IEEE80211_VHT_CAP_RX_ANTENNA_PATTERN 0x10000000 #define IEEE80211_VHT_CAP_TX_ANTENNA_PATTERN 0x20000000 /* Authentication algorithms */ #define WLAN_AUTH_OPEN 0 #define WLAN_AUTH_SHARED_KEY 1 #define WLAN_AUTH_FT 2 #define WLAN_AUTH_SAE 3 #define WLAN_AUTH_LEAP 128 #define WLAN_AUTH_CHALLENGE_LEN 128 #define WLAN_CAPABILITY_ESS (1<<0) #define WLAN_CAPABILITY_IBSS (1<<1) /* * A mesh STA sets the ESS and IBSS capability bits to zero. * however, this holds true for p2p probe responses (in the p2p_find * phase) as well. */ #define WLAN_CAPABILITY_IS_STA_BSS(cap) \ (!((cap) & (WLAN_CAPABILITY_ESS | WLAN_CAPABILITY_IBSS))) #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_APSD (1<<11) #define WLAN_CAPABILITY_RADIO_MEASURE (1<<12) #define WLAN_CAPABILITY_DSSS_OFDM (1<<13) #define WLAN_CAPABILITY_DEL_BACK (1<<14) #define WLAN_CAPABILITY_IMM_BACK (1<<15) /* DMG (60gHz) 802.11ad */ /* type - bits 0..1 */ #define WLAN_CAPABILITY_DMG_TYPE_MASK (3<<0) #define WLAN_CAPABILITY_DMG_TYPE_IBSS (1<<0) /* Tx by: STA */ #define WLAN_CAPABILITY_DMG_TYPE_PBSS (2<<0) /* Tx by: PCP */ #define WLAN_CAPABILITY_DMG_TYPE_AP (3<<0) /* Tx by: AP */ #define WLAN_CAPABILITY_DMG_CBAP_ONLY (1<<2) #define WLAN_CAPABILITY_DMG_CBAP_SOURCE (1<<3) #define WLAN_CAPABILITY_DMG_PRIVACY (1<<4) #define WLAN_CAPABILITY_DMG_ECPAC (1<<5) #define WLAN_CAPABILITY_DMG_SPECTRUM_MGMT (1<<8) #define WLAN_CAPABILITY_DMG_RADIO_MEASURE (1<<12) /* 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, }; /* Band ID, 802.11ad #8.4.1.45 */ enum { IEEE80211_BANDID_TV_WS = 0, /* TV white spaces */ IEEE80211_BANDID_SUB1 = 1, /* Sub-1 GHz (excluding TV white spaces) */ IEEE80211_BANDID_2G = 2, /* 2.4 GHz */ IEEE80211_BANDID_3G = 3, /* 3.6 GHz */ IEEE80211_BANDID_5G = 4, /* 4.9 and 5 GHz */ IEEE80211_BANDID_60G = 5, /* 60 GHz */ }; /* 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, /* 802.11w */ WLAN_STATUS_ASSOC_REJECTED_TEMPORARILY = 30, WLAN_STATUS_ROBUST_MGMT_FRAME_POLICY_VIOLATION = 31, /* 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, /* 802.11s */ WLAN_STATUS_ANTI_CLOG_REQUIRED = 76, WLAN_STATUS_FCG_NOT_SUPP = 78, WLAN_STATUS_STA_NO_TBTT = 78, /* 802.11ad */ WLAN_STATUS_REJECTED_WITH_SUGGESTED_CHANGES = 39, WLAN_STATUS_REJECTED_FOR_DELAY_PERIOD = 47, WLAN_STATUS_REJECT_WITH_SCHEDULE = 83, WLAN_STATUS_PENDING_ADMITTING_FST_SESSION = 86, WLAN_STATUS_PERFORMING_FST_NOW = 87, WLAN_STATUS_PENDING_GAP_IN_BA_WINDOW = 88, WLAN_STATUS_REJECT_U_PID_SETTING = 89, WLAN_STATUS_REJECT_DSE_BAND = 96, WLAN_STATUS_DENIED_WITH_SUGGESTED_BAND_AND_CHANNEL = 99, WLAN_STATUS_DENIED_DUE_TO_SPECTRUM_MANAGEMENT = 103, }; /* 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, /* TDLS (802.11z) */ WLAN_REASON_TDLS_TEARDOWN_UNREACHABLE = 25, WLAN_REASON_TDLS_TEARDOWN_UNSPECIFIED = 26, /* 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, /* 802.11s */ WLAN_REASON_MESH_PEER_CANCELED = 52, WLAN_REASON_MESH_MAX_PEERS = 53, WLAN_REASON_MESH_CONFIG = 54, WLAN_REASON_MESH_CLOSE = 55, WLAN_REASON_MESH_MAX_RETRIES = 56, WLAN_REASON_MESH_CONFIRM_TIMEOUT = 57, WLAN_REASON_MESH_INVALID_GTK = 58, WLAN_REASON_MESH_INCONSISTENT_PARAM = 59, WLAN_REASON_MESH_INVALID_SECURITY = 60, WLAN_REASON_MESH_PATH_ERROR = 61, WLAN_REASON_MESH_PATH_NOFORWARD = 62, WLAN_REASON_MESH_PATH_DEST_UNREACHABLE = 63, WLAN_REASON_MAC_EXISTS_IN_MBSS = 64, WLAN_REASON_MESH_CHAN_REGULATORY = 65, WLAN_REASON_MESH_CHAN = 66, }; /* Information Element IDs */ enum ieee80211_eid { WLAN_EID_SSID = 0, WLAN_EID_SUPP_RATES = 1, WLAN_EID_FH_PARAMS = 2, /* reserved now */ WLAN_EID_DS_PARAMS = 3, WLAN_EID_CF_PARAMS = 4, WLAN_EID_TIM = 5, WLAN_EID_IBSS_PARAMS = 6, WLAN_EID_COUNTRY = 7, WLAN_EID_HP_PARAMS = 8, WLAN_EID_HP_TABLE = 9, WLAN_EID_REQUEST = 10, 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_CHALLENGE = 16, /* 17-31 reserved for challenge text extension */ 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, WLAN_EID_ERP_INFO = 42, WLAN_EID_TS_DELAY = 43, WLAN_EID_TCLAS_PROCESSING = 44, WLAN_EID_HT_CAPABILITY = 45, WLAN_EID_QOS_CAPA = 46, /* 47 reserved for Broadcom */ WLAN_EID_RSN = 48, WLAN_EID_802_15_COEX = 49, WLAN_EID_EXT_SUPP_RATES = 50, WLAN_EID_AP_CHAN_REPORT = 51, WLAN_EID_NEIGHBOR_REPORT = 52, WLAN_EID_RCPI = 53, WLAN_EID_MOBILITY_DOMAIN = 54, WLAN_EID_FAST_BSS_TRANSITION = 55, WLAN_EID_TIMEOUT_INTERVAL = 56, WLAN_EID_RIC_DATA = 57, WLAN_EID_DSE_REGISTERED_LOCATION = 58, WLAN_EID_SUPPORTED_REGULATORY_CLASSES = 59, WLAN_EID_EXT_CHANSWITCH_ANN = 60, WLAN_EID_HT_OPERATION = 61, WLAN_EID_SECONDARY_CHANNEL_OFFSET = 62, WLAN_EID_BSS_AVG_ACCESS_DELAY = 63, WLAN_EID_ANTENNA_INFO = 64, WLAN_EID_RSNI = 65, WLAN_EID_MEASUREMENT_PILOT_TX_INFO = 66, WLAN_EID_BSS_AVAILABLE_CAPACITY = 67, WLAN_EID_BSS_AC_ACCESS_DELAY = 68, WLAN_EID_TIME_ADVERTISEMENT = 69, WLAN_EID_RRM_ENABLED_CAPABILITIES = 70, WLAN_EID_MULTIPLE_BSSID = 71, WLAN_EID_BSS_COEX_2040 = 72, WLAN_EID_BSS_INTOLERANT_CHL_REPORT = 73, WLAN_EID_OVERLAP_BSS_SCAN_PARAM = 74, WLAN_EID_RIC_DESCRIPTOR = 75, WLAN_EID_MMIE = 76, WLAN_EID_ASSOC_COMEBACK_TIME = 77, WLAN_EID_EVENT_REQUEST = 78, WLAN_EID_EVENT_REPORT = 79, WLAN_EID_DIAGNOSTIC_REQUEST = 80, WLAN_EID_DIAGNOSTIC_REPORT = 81, WLAN_EID_LOCATION_PARAMS = 82, WLAN_EID_NON_TX_BSSID_CAP = 83, WLAN_EID_SSID_LIST = 84, WLAN_EID_MULTI_BSSID_IDX = 85, WLAN_EID_FMS_DESCRIPTOR = 86, WLAN_EID_FMS_REQUEST = 87, WLAN_EID_FMS_RESPONSE = 88, WLAN_EID_QOS_TRAFFIC_CAPA = 89, WLAN_EID_BSS_MAX_IDLE_PERIOD = 90, WLAN_EID_TSF_REQUEST = 91, WLAN_EID_TSF_RESPOSNE = 92, WLAN_EID_WNM_SLEEP_MODE = 93, WLAN_EID_TIM_BCAST_REQ = 94, WLAN_EID_TIM_BCAST_RESP = 95, WLAN_EID_COLL_IF_REPORT = 96, WLAN_EID_CHANNEL_USAGE = 97, WLAN_EID_TIME_ZONE = 98, WLAN_EID_DMS_REQUEST = 99, WLAN_EID_DMS_RESPONSE = 100, WLAN_EID_LINK_ID = 101, WLAN_EID_WAKEUP_SCHEDUL = 102, /* 103 reserved */ WLAN_EID_CHAN_SWITCH_TIMING = 104, WLAN_EID_PTI_CONTROL = 105, WLAN_EID_PU_BUFFER_STATUS = 106, WLAN_EID_INTERWORKING = 107, WLAN_EID_ADVERTISEMENT_PROTOCOL = 108, WLAN_EID_EXPEDITED_BW_REQ = 109, WLAN_EID_QOS_MAP_SET = 110, WLAN_EID_ROAMING_CONSORTIUM = 111, WLAN_EID_EMERGENCY_ALERT = 112, WLAN_EID_MESH_CONFIG = 113, WLAN_EID_MESH_ID = 114, WLAN_EID_LINK_METRIC_REPORT = 115, WLAN_EID_CONGESTION_NOTIFICATION = 116, WLAN_EID_PEER_MGMT = 117, WLAN_EID_CHAN_SWITCH_PARAM = 118, WLAN_EID_MESH_AWAKE_WINDOW = 119, WLAN_EID_BEACON_TIMING = 120, WLAN_EID_MCCAOP_SETUP_REQ = 121, WLAN_EID_MCCAOP_SETUP_RESP = 122, WLAN_EID_MCCAOP_ADVERT = 123, WLAN_EID_MCCAOP_TEARDOWN = 124, WLAN_EID_GANN = 125, WLAN_EID_RANN = 126, WLAN_EID_EXT_CAPABILITY = 127, /* 128, 129 reserved for Agere */ WLAN_EID_PREQ = 130, WLAN_EID_PREP = 131, WLAN_EID_PERR = 132, /* 133-136 reserved for Cisco */ WLAN_EID_PXU = 137, WLAN_EID_PXUC = 138, WLAN_EID_AUTH_MESH_PEER_EXCH = 139, WLAN_EID_MIC = 140, WLAN_EID_DESTINATION_URI = 141, WLAN_EID_UAPSD_COEX = 142, WLAN_EID_WAKEUP_SCHEDULE = 143, WLAN_EID_EXT_SCHEDULE = 144, WLAN_EID_STA_AVAILABILITY = 145, WLAN_EID_DMG_TSPEC = 146, WLAN_EID_DMG_AT = 147, WLAN_EID_DMG_CAP = 148, /* 149 reserved for Cisco */ WLAN_EID_CISCO_VENDOR_SPECIFIC = 150, WLAN_EID_DMG_OPERATION = 151, WLAN_EID_DMG_BSS_PARAM_CHANGE = 152, WLAN_EID_DMG_BEAM_REFINEMENT = 153, WLAN_EID_CHANNEL_MEASURE_FEEDBACK = 154, /* 155-156 reserved for Cisco */ WLAN_EID_AWAKE_WINDOW = 157, WLAN_EID_MULTI_BAND = 158, WLAN_EID_ADDBA_EXT = 159, WLAN_EID_NEXT_PCP_LIST = 160, WLAN_EID_PCP_HANDOVER = 161, WLAN_EID_DMG_LINK_MARGIN = 162, WLAN_EID_SWITCHING_STREAM = 163, WLAN_EID_SESSION_TRANSITION = 164, WLAN_EID_DYN_TONE_PAIRING_REPORT = 165, WLAN_EID_CLUSTER_REPORT = 166, WLAN_EID_RELAY_CAP = 167, WLAN_EID_RELAY_XFER_PARAM_SET = 168, WLAN_EID_BEAM_LINK_MAINT = 169, WLAN_EID_MULTIPLE_MAC_ADDR = 170, WLAN_EID_U_PID = 171, WLAN_EID_DMG_LINK_ADAPT_ACK = 172, /* 173 reserved for Symbol */ WLAN_EID_MCCAOP_ADV_OVERVIEW = 174, WLAN_EID_QUIET_PERIOD_REQ = 175, /* 176 reserved for Symbol */ WLAN_EID_QUIET_PERIOD_RESP = 177, /* 178-179 reserved for Symbol */ /* 180 reserved for ISO/IEC 20011 */ WLAN_EID_EPAC_POLICY = 182, WLAN_EID_CLISTER_TIME_OFF = 183, WLAN_EID_INTER_AC_PRIO = 184, WLAN_EID_SCS_DESCRIPTOR = 185, WLAN_EID_QLOAD_REPORT = 186, WLAN_EID_HCCA_TXOP_UPDATE_COUNT = 187, WLAN_EID_HL_STREAM_ID = 188, WLAN_EID_GCR_GROUP_ADDR = 189, WLAN_EID_ANTENNA_SECTOR_ID_PATTERN = 190, WLAN_EID_VHT_CAPABILITY = 191, WLAN_EID_VHT_OPERATION = 192, WLAN_EID_EXTENDED_BSS_LOAD = 193, WLAN_EID_WIDE_BW_CHANNEL_SWITCH = 194, WLAN_EID_VHT_TX_POWER_ENVELOPE = 195, WLAN_EID_CHANNEL_SWITCH_WRAPPER = 196, WLAN_EID_AID = 197, WLAN_EID_QUIET_CHANNEL = 198, WLAN_EID_OPMODE_NOTIF = 199, 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_PUBLIC = 4, WLAN_CATEGORY_RADIO_MEASUREMENT = 5, WLAN_CATEGORY_HT = 7, WLAN_CATEGORY_SA_QUERY = 8, WLAN_CATEGORY_PROTECTED_DUAL_OF_ACTION = 9, WLAN_CATEGORY_TDLS = 12, WLAN_CATEGORY_MESH_ACTION = 13, WLAN_CATEGORY_MULTIHOP_ACTION = 14, WLAN_CATEGORY_SELF_PROTECTED = 15, WLAN_CATEGORY_DMG = 16, WLAN_CATEGORY_WMM = 17, WLAN_CATEGORY_FST = 18, WLAN_CATEGORY_UNPROT_DMG = 20, WLAN_CATEGORY_VHT = 21, WLAN_CATEGORY_VENDOR_SPECIFIC_PROTECTED = 126, WLAN_CATEGORY_VENDOR_SPECIFIC = 127, }; /* 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, }; /* HT action codes */ enum ieee80211_ht_actioncode { WLAN_HT_ACTION_NOTIFY_CHANWIDTH = 0, WLAN_HT_ACTION_SMPS = 1, WLAN_HT_ACTION_PSMP = 2, WLAN_HT_ACTION_PCO_PHASE = 3, WLAN_HT_ACTION_CSI = 4, WLAN_HT_ACTION_NONCOMPRESSED_BF = 5, WLAN_HT_ACTION_COMPRESSED_BF = 6, WLAN_HT_ACTION_ASEL_IDX_FEEDBACK = 7, }; /* VHT action codes */ enum ieee80211_vht_actioncode { WLAN_VHT_ACTION_COMPRESSED_BF = 0, WLAN_VHT_ACTION_GROUPID_MGMT = 1, WLAN_VHT_ACTION_OPMODE_NOTIF = 2, }; /* Self Protected Action codes */ enum ieee80211_self_protected_actioncode { WLAN_SP_RESERVED = 0, WLAN_SP_MESH_PEERING_OPEN = 1, WLAN_SP_MESH_PEERING_CONFIRM = 2, WLAN_SP_MESH_PEERING_CLOSE = 3, WLAN_SP_MGK_INFORM = 4, WLAN_SP_MGK_ACK = 5, }; /* Mesh action codes */ enum ieee80211_mesh_actioncode { WLAN_MESH_ACTION_LINK_METRIC_REPORT, WLAN_MESH_ACTION_HWMP_PATH_SELECTION, WLAN_MESH_ACTION_GATE_ANNOUNCEMENT, WLAN_MESH_ACTION_CONGESTION_CONTROL_NOTIFICATION, WLAN_MESH_ACTION_MCCA_SETUP_REQUEST, WLAN_MESH_ACTION_MCCA_SETUP_REPLY, WLAN_MESH_ACTION_MCCA_ADVERTISEMENT_REQUEST, WLAN_MESH_ACTION_MCCA_ADVERTISEMENT, WLAN_MESH_ACTION_MCCA_TEARDOWN, WLAN_MESH_ACTION_TBTT_ADJUSTMENT_REQUEST, WLAN_MESH_ACTION_TBTT_ADJUSTMENT_RESPONSE, }; /* Security key length */ enum ieee80211_key_len { WLAN_KEY_LEN_WEP40 = 5, WLAN_KEY_LEN_WEP104 = 13, WLAN_KEY_LEN_CCMP = 16, WLAN_KEY_LEN_TKIP = 32, WLAN_KEY_LEN_AES_CMAC = 16, WLAN_KEY_LEN_SMS4 = 32, }; #define IEEE80211_WEP_IV_LEN 4 #define IEEE80211_WEP_ICV_LEN 4 #define IEEE80211_CCMP_HDR_LEN 8 #define IEEE80211_CCMP_MIC_LEN 8 #define IEEE80211_CCMP_PN_LEN 6 #define IEEE80211_TKIP_IV_LEN 8 #define IEEE80211_TKIP_ICV_LEN 4 #define IEEE80211_CMAC_PN_LEN 6 /* Public action codes */ enum ieee80211_pub_actioncode { WLAN_PUB_ACTION_EXT_CHANSW_ANN = 4, WLAN_PUB_ACTION_TDLS_DISCOVER_RES = 14, }; /* TDLS action codes */ enum ieee80211_tdls_actioncode { WLAN_TDLS_SETUP_REQUEST = 0, WLAN_TDLS_SETUP_RESPONSE = 1, WLAN_TDLS_SETUP_CONFIRM = 2, WLAN_TDLS_TEARDOWN = 3, WLAN_TDLS_PEER_TRAFFIC_INDICATION = 4, WLAN_TDLS_CHANNEL_SWITCH_REQUEST = 5, WLAN_TDLS_CHANNEL_SWITCH_RESPONSE = 6, WLAN_TDLS_PEER_PSM_REQUEST = 7, WLAN_TDLS_PEER_PSM_RESPONSE = 8, WLAN_TDLS_PEER_TRAFFIC_RESPONSE = 9, WLAN_TDLS_DISCOVERY_REQUEST = 10, }; /* Extended Channel Switching capability to be set in the 1st byte of * the @WLAN_EID_EXT_CAPABILITY information element */ #define WLAN_EXT_CAPA1_EXT_CHANNEL_SWITCHING BIT(2) /* Interworking capabilities are set in 7th bit of 4th byte of the * @WLAN_EID_EXT_CAPABILITY information element */ #define WLAN_EXT_CAPA4_INTERWORKING_ENABLED BIT(7) /* * TDLS capabililites to be enabled in the 5th byte of the * @WLAN_EID_EXT_CAPABILITY information element */ #define WLAN_EXT_CAPA5_TDLS_ENABLED BIT(5) #define WLAN_EXT_CAPA5_TDLS_PROHIBITED BIT(6) #define WLAN_EXT_CAPA8_OPMODE_NOTIF BIT(6) #define WLAN_EXT_CAPA8_TDLS_WIDE_BW_ENABLED BIT(7) /* TDLS specific payload type in the LLC/SNAP header */ #define WLAN_TDLS_SNAP_RFTYPE 0x2 /** * enum - mesh synchronization method identifier * * @IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET: the default synchronization method * @IEEE80211_SYNC_METHOD_VENDOR: a vendor specific synchronization method * that will be specified in a vendor specific information element */ enum { IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET = 1, IEEE80211_SYNC_METHOD_VENDOR = 255, }; /** * enum - mesh path selection protocol identifier * * @IEEE80211_PATH_PROTOCOL_HWMP: the default path selection protocol * @IEEE80211_PATH_PROTOCOL_VENDOR: a vendor specific protocol that will * be specified in a vendor specific information element */ enum { IEEE80211_PATH_PROTOCOL_HWMP = 1, IEEE80211_PATH_PROTOCOL_VENDOR = 255, }; /** * enum - mesh path selection metric identifier * * @IEEE80211_PATH_METRIC_AIRTIME: the default path selection metric * @IEEE80211_PATH_METRIC_VENDOR: a vendor specific metric that will be * specified in a vendor specific information element */ enum { IEEE80211_PATH_METRIC_AIRTIME = 1, IEEE80211_PATH_METRIC_VENDOR = 255, }; /** * enum ieee80211_root_mode_identifier - root mesh STA mode identifier * * These attribute are used by dot11MeshHWMPRootMode to set root mesh STA mode * * @IEEE80211_ROOTMODE_NO_ROOT: the mesh STA is not a root mesh STA (default) * @IEEE80211_ROOTMODE_ROOT: the mesh STA is a root mesh STA if greater than * this value * @IEEE80211_PROACTIVE_PREQ_NO_PREP: the mesh STA is a root mesh STA supports * the proactive PREQ with proactive PREP subfield set to 0 * @IEEE80211_PROACTIVE_PREQ_WITH_PREP: the mesh STA is a root mesh STA * supports the proactive PREQ with proactive PREP subfield set to 1 * @IEEE80211_PROACTIVE_RANN: the mesh STA is a root mesh STA supports * the proactive RANN */ enum ieee80211_root_mode_identifier { IEEE80211_ROOTMODE_NO_ROOT = 0, IEEE80211_ROOTMODE_ROOT = 1, IEEE80211_PROACTIVE_PREQ_NO_PREP = 2, IEEE80211_PROACTIVE_PREQ_WITH_PREP = 3, IEEE80211_PROACTIVE_RANN = 4, }; /* * IEEE 802.11-2007 7.3.2.9 Country information element * * Minimum length is 8 octets, ie len must be evenly * divisible by 2 */ /* Although the spec says 8 I'm seeing 6 in practice */ #define IEEE80211_COUNTRY_IE_MIN_LEN 6 /* The Country String field of the element shall be 3 octets in length */ #define IEEE80211_COUNTRY_STRING_LEN 3 /* * For regulatory extension stuff see IEEE 802.11-2007 * Annex I (page 1141) and Annex J (page 1147). Also * review 7.3.2.9. * * When dot11RegulatoryClassesRequired is true and the * first_channel/reg_extension_id is >= 201 then the IE * compromises of the 'ext' struct represented below: * * - Regulatory extension ID - when generating IE this just needs * to be monotonically increasing for each triplet passed in * the IE * - Regulatory class - index into set of rules * - Coverage class - index into air propagation time (Table 7-27), * in microseconds, you can compute the air propagation time from * the index by multiplying by 3, so index 10 yields a propagation * of 10 us. Valid values are 0-31, values 32-255 are not defined * yet. A value of 0 inicates air propagation of <= 1 us. * * See also Table I.2 for Emission limit sets and table * I.3 for Behavior limit sets. Table J.1 indicates how to map * a reg_class to an emission limit set and behavior limit set. */ #define IEEE80211_COUNTRY_EXTENSION_ID 201 /* * Channels numbers in the IE must be monotonically increasing * if dot11RegulatoryClassesRequired is not true. * * If dot11RegulatoryClassesRequired is true consecutive * subband triplets following a regulatory triplet shall * have monotonically increasing first_channel number fields. * * Channel numbers shall not overlap. * * Note that max_power is signed. */ struct ieee80211_country_ie_triplet { union { struct { u8 first_channel; u8 num_channels; s8 max_power; } __packed chans; struct { u8 reg_extension_id; u8 reg_class; u8 coverage_class; } __packed ext; }; } __packed; enum ieee80211_timeout_interval_type { WLAN_TIMEOUT_REASSOC_DEADLINE = 1 /* 802.11r */, WLAN_TIMEOUT_KEY_LIFETIME = 2 /* 802.11r */, WLAN_TIMEOUT_ASSOC_COMEBACK = 3 /* 802.11w */, }; /** * struct ieee80211_timeout_interval_ie - Timeout Interval element * @type: type, see &enum ieee80211_timeout_interval_type * @value: timeout interval value */ struct ieee80211_timeout_interval_ie { u8 type; __le32 value; } __packed; /* 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, }; /* SA Query action */ enum ieee80211_sa_query_action { WLAN_ACTION_SA_QUERY_REQUEST = 0, WLAN_ACTION_SA_QUERY_RESPONSE = 1, }; /* 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_CIPHER_SUITE_AES_CMAC 0x000FAC06 #define WLAN_CIPHER_SUITE_GCMP 0x000FAC08 #define WLAN_CIPHER_SUITE_SMS4 0x00147201 /* AKM suite selectors */ #define WLAN_AKM_SUITE_8021X 0x000FAC01 #define WLAN_AKM_SUITE_PSK 0x000FAC02 #define WLAN_AKM_SUITE_8021X_SHA256 0x000FAC05 #define WLAN_AKM_SUITE_PSK_SHA256 0x000FAC06 #define WLAN_AKM_SUITE_TDLS 0x000FAC07 #define WLAN_AKM_SUITE_SAE 0x000FAC08 #define WLAN_AKM_SUITE_FT_OVER_SAE 0x000FAC09 #define WLAN_MAX_KEY_LEN 32 #define WLAN_PMKID_LEN 16 #define WLAN_OUI_WFA 0x506f9a #define WLAN_OUI_TYPE_WFA_P2P 9 #define WLAN_OUI_MICROSOFT 0x0050f2 #define WLAN_OUI_TYPE_MICROSOFT_WPA 1 #define WLAN_OUI_TYPE_MICROSOFT_WMM 2 #define WLAN_OUI_TYPE_MICROSOFT_WPS 4 /* * WMM/802.11e Tspec Element */ #define IEEE80211_WMM_IE_TSPEC_TID_MASK 0x0F #define IEEE80211_WMM_IE_TSPEC_TID_SHIFT 1 enum ieee80211_tspec_status_code { IEEE80211_TSPEC_STATUS_ADMISS_ACCEPTED = 0, IEEE80211_TSPEC_STATUS_ADDTS_INVAL_PARAMS = 0x1, }; struct ieee80211_tspec_ie { u8 element_id; u8 len; u8 oui[3]; u8 oui_type; u8 oui_subtype; u8 version; __le16 tsinfo; u8 tsinfo_resvd; __le16 nominal_msdu; __le16 max_msdu; __le32 min_service_int; __le32 max_service_int; __le32 inactivity_int; __le32 suspension_int; __le32 service_start_time; __le32 min_data_rate; __le32 mean_data_rate; __le32 peak_data_rate; __le32 max_burst_size; __le32 delay_bound; __le32 min_phy_rate; __le16 sba; __le16 medium_time; } __packed; /** * 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; } /** * _ieee80211_is_robust_mgmt_frame - check if frame is a robust management frame * @hdr: the frame (buffer must include at least the first octet of payload) */ static inline bool _ieee80211_is_robust_mgmt_frame(struct ieee80211_hdr *hdr) { if (ieee80211_is_disassoc(hdr->frame_control) || ieee80211_is_deauth(hdr->frame_control)) return true; if (ieee80211_is_action(hdr->frame_control)) { u8 *category; /* * Action frames, excluding Public Action frames, are Robust * Management Frames. However, if we are looking at a Protected * frame, skip the check since the data may be encrypted and * the frame has already been found to be a Robust Management * Frame (by the other end). */ if (ieee80211_has_protected(hdr->frame_control)) return true; category = ((u8 *) hdr) + 24; return *category != WLAN_CATEGORY_PUBLIC && *category != WLAN_CATEGORY_HT && *category != WLAN_CATEGORY_SELF_PROTECTED && *category != WLAN_CATEGORY_VENDOR_SPECIFIC; } return false; } /** * ieee80211_is_robust_mgmt_frame - check if skb contains a robust mgmt frame * @skb: the skb containing the frame, length will be checked */ static inline bool ieee80211_is_robust_mgmt_frame(struct sk_buff *skb) { if (skb->len < 25) return false; return _ieee80211_is_robust_mgmt_frame((void *)skb->data); } /** * ieee80211_is_public_action - check if frame is a public action frame * @hdr: the frame * @len: length of the frame */ static inline bool ieee80211_is_public_action(struct ieee80211_hdr *hdr, size_t len) { struct ieee80211_mgmt *mgmt = (void *)hdr; if (len < IEEE80211_MIN_ACTION_SIZE) return false; if (!ieee80211_is_action(hdr->frame_control)) return false; return mgmt->u.action.category == WLAN_CATEGORY_PUBLIC; } /** * ieee80211_tu_to_usec - convert time units (TU) to microseconds * @tu: the TUs */ static inline unsigned long ieee80211_tu_to_usec(unsigned long tu) { return 1024 * tu; } /** * ieee80211_check_tim - check if AID bit is set in TIM * @tim: the TIM IE * @tim_len: length of the TIM IE * @aid: the AID to look for */ static inline bool ieee80211_check_tim(const struct ieee80211_tim_ie *tim, u8 tim_len, u16 aid) { u8 mask; u8 index, indexn1, indexn2; if (unlikely(!tim || tim_len < sizeof(*tim))) return false; aid &= 0x3fff; index = aid / 8; mask = 1 << (aid & 7); indexn1 = tim->bitmap_ctrl & 0xfe; indexn2 = tim_len + indexn1 - 4; if (index < indexn1 || index > indexn2) return false; index -= indexn1; return !!(tim->virtual_map[index] & mask); } /* convert time units */ #define TU_TO_JIFFIES(x) (usecs_to_jiffies((x) * 1024)) #define TU_TO_EXP_TIME(x) (jiffies + TU_TO_JIFFIES(x)) /** * ieee80211_action_contains_tpc - checks if the frame contains TPC element * @skb: the skb containing the frame, length will be checked * * This function checks if it's either TPC report action frame or Link * Measurement report action frame as defined in IEEE Std. 802.11-2012 8.5.2.5 * and 8.5.7.5 accordingly. */ static inline bool ieee80211_action_contains_tpc(struct sk_buff *skb) { struct ieee80211_mgmt *mgmt = (void *)skb->data; if (!ieee80211_is_action(mgmt->frame_control)) return false; if (skb->len < IEEE80211_MIN_ACTION_SIZE + sizeof(mgmt->u.action.u.tpc_report)) return false; /* * TPC report - check that: * category = 0 (Spectrum Management) or 5 (Radio Measurement) * spectrum management action = 3 (TPC/Link Measurement report) * TPC report EID = 35 * TPC report element length = 2 * * The spectrum management's tpc_report struct is used here both for * parsing tpc_report and radio measurement's link measurement report * frame, since the relevant part is identical in both frames. */ if (mgmt->u.action.category != WLAN_CATEGORY_SPECTRUM_MGMT && mgmt->u.action.category != WLAN_CATEGORY_RADIO_MEASUREMENT) return false; /* both spectrum mgmt and link measurement have same action code */ if (mgmt->u.action.u.tpc_report.action_code != WLAN_ACTION_SPCT_TPC_RPRT) return false; if (mgmt->u.action.u.tpc_report.tpc_elem_id != WLAN_EID_TPC_REPORT || mgmt->u.action.u.tpc_report.tpc_elem_length != sizeof(struct ieee80211_tpc_report_ie)) return false; return true; } #endif /* LINUX_IEEE80211_H */