/* SPDX-License-Identifier: GPL-2.0-only */ /* * 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 * Copyright (c) 2016 - 2017 Intel Deutschland GmbH * Copyright (c) 2018 - 2025 Intel Corporation */ #ifndef LINUX_IEEE80211_H #define LINUX_IEEE80211_H #include #include #include #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_TYPE (IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE) #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_TRIGGER 0x0020 #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 #define IEEE80211_STYPE_S1G_BEACON 0x0010 #define IEEE80211_NDP_FTYPE_CTS 0 #define IEEE80211_NDP_FTYPE_CF_END 0 #define IEEE80211_NDP_FTYPE_PS_POLL 1 #define IEEE80211_NDP_FTYPE_ACK 2 #define IEEE80211_NDP_FTYPE_PS_POLL_ACK 3 #define IEEE80211_NDP_FTYPE_BA 4 #define IEEE80211_NDP_FTYPE_BF_REPORT_POLL 5 #define IEEE80211_NDP_FTYPE_PAGING 6 #define IEEE80211_NDP_FTYPE_PREQ 7 #define SM64(f, v) ((((u64)v) << f##_S) & f) /* NDP CMAC frame fields */ #define IEEE80211_NDP_FTYPE 0x0000000000000007 #define IEEE80211_NDP_FTYPE_S 0x0000000000000000 /* 1M Probe Request 11ah 9.9.3.1.1 */ #define IEEE80211_NDP_1M_PREQ_ANO 0x0000000000000008 #define IEEE80211_NDP_1M_PREQ_ANO_S 3 #define IEEE80211_NDP_1M_PREQ_CSSID 0x00000000000FFFF0 #define IEEE80211_NDP_1M_PREQ_CSSID_S 4 #define IEEE80211_NDP_1M_PREQ_RTYPE 0x0000000000100000 #define IEEE80211_NDP_1M_PREQ_RTYPE_S 20 #define IEEE80211_NDP_1M_PREQ_RSV 0x0000000001E00000 #define IEEE80211_NDP_1M_PREQ_RSV 0x0000000001E00000 /* 2M Probe Request 11ah 9.9.3.1.2 */ #define IEEE80211_NDP_2M_PREQ_ANO 0x0000000000000008 #define IEEE80211_NDP_2M_PREQ_ANO_S 3 #define IEEE80211_NDP_2M_PREQ_CSSID 0x0000000FFFFFFFF0 #define IEEE80211_NDP_2M_PREQ_CSSID_S 4 #define IEEE80211_NDP_2M_PREQ_RTYPE 0x0000001000000000 #define IEEE80211_NDP_2M_PREQ_RTYPE_S 36 #define IEEE80211_ANO_NETTYPE_WILD 15 /* 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) /* PV1 Layout IEEE 802.11-2020 9.8.3.1 */ #define IEEE80211_PV1_FCTL_VERS 0x0003 #define IEEE80211_PV1_FCTL_FTYPE 0x001c #define IEEE80211_PV1_FCTL_STYPE 0x00e0 #define IEEE80211_PV1_FCTL_FROMDS 0x0100 #define IEEE80211_PV1_FCTL_MOREFRAGS 0x0200 #define IEEE80211_PV1_FCTL_PM 0x0400 #define IEEE80211_PV1_FCTL_MOREDATA 0x0800 #define IEEE80211_PV1_FCTL_PROTECTED 0x1000 #define IEEE80211_PV1_FCTL_END_SP 0x2000 #define IEEE80211_PV1_FCTL_RELAYED 0x4000 #define IEEE80211_PV1_FCTL_ACK_POLICY 0x8000 #define IEEE80211_PV1_FCTL_CTL_EXT 0x0f00 static inline bool ieee80211_sn_less(u16 sn1, u16 sn2) { return ((sn1 - sn2) & IEEE80211_SN_MASK) > (IEEE80211_SN_MODULO >> 1); } static inline bool ieee80211_sn_less_eq(u16 sn1, u16 sn2) { return ((sn2 - sn1) & 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_AID_S1G 8191 #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_FIRST_TSPEC_TSID 8 #define IEEE80211_NUM_TIDS 16 /* number of user priorities 802.11 uses */ #define IEEE80211_NUM_UPS 8 /* number of ACs */ #define IEEE80211_NUM_ACS 4 #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 /* trigger type within common_info of trigger frame */ #define IEEE80211_TRIGGER_TYPE_MASK 0xf #define IEEE80211_TRIGGER_TYPE_BASIC 0x0 #define IEEE80211_TRIGGER_TYPE_BFRP 0x1 #define IEEE80211_TRIGGER_TYPE_MU_BAR 0x2 #define IEEE80211_TRIGGER_TYPE_MU_RTS 0x3 #define IEEE80211_TRIGGER_TYPE_BSRP 0x4 #define IEEE80211_TRIGGER_TYPE_GCR_MU_BAR 0x5 #define IEEE80211_TRIGGER_TYPE_BQRP 0x6 #define IEEE80211_TRIGGER_TYPE_NFRP 0x7 /* UL-bandwidth within common_info of trigger frame */ #define IEEE80211_TRIGGER_ULBW_MASK 0xc0000 #define IEEE80211_TRIGGER_ULBW_20MHZ 0x0 #define IEEE80211_TRIGGER_ULBW_40MHZ 0x1 #define IEEE80211_TRIGGER_ULBW_80MHZ 0x2 #define IEEE80211_TRIGGER_ULBW_160_80P80MHZ 0x3 struct ieee80211_hdr { __le16 frame_control; __le16 duration_id; struct_group(addrs, 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); struct ieee80211_qos_hdr_4addr { __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]; __le16 qos_ctrl; } __packed __aligned(2); struct ieee80211_trigger { __le16 frame_control; __le16 duration; u8 ra[ETH_ALEN]; u8 ta[ETH_ALEN]; __le64 common_info; u8 variable[]; } __packed __aligned(2); /** * ieee80211_has_tods - check if IEEE80211_FCTL_TODS is set * @fc: frame control bytes in little-endian byteorder * Return: whether or not the frame has to-DS set */ static inline bool 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 * Return: whether or not the frame has from-DS set */ static inline bool 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 * Return: whether or not it's a 4-address frame (from-DS and to-DS set) */ static inline bool 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 * Return: whether or not the frame has more fragments (more frags bit set) */ static inline bool 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 * Return: whether or not the retry flag is set */ static inline bool 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 * Return: whether or not the power management flag is set */ static inline bool 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 * Return: whether or not the more data flag is set */ static inline bool 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 * Return: whether or not the protected flag is set */ static inline bool 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 * Return: whether or not the order flag is set */ static inline bool 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 * Return: whether or not the frame type is management */ static inline bool 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 * Return: whether or not the frame type is control */ static inline bool 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 * Return: whether or not the frame is a data frame */ static inline bool ieee80211_is_data(__le16 fc) { return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) == cpu_to_le16(IEEE80211_FTYPE_DATA); } /** * ieee80211_is_ext - check if type is IEEE80211_FTYPE_EXT * @fc: frame control bytes in little-endian byteorder * Return: whether or not the frame type is extended */ static inline bool ieee80211_is_ext(__le16 fc) { return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) == cpu_to_le16(IEEE80211_FTYPE_EXT); } /** * 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 * Return: whether or not the frame is a QoS data frame */ static inline bool 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 * Return: whether or not the frame is a QoS data frame that has data * (i.e. is not null data) */ static inline bool 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 * Return: whether or not the frame is an association request */ static inline bool 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 * Return: whether or not the frame is an association response */ static inline bool 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 * Return: whether or not the frame is a reassociation request */ static inline bool 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 * Return: whether or not the frame is a reassociation response */ static inline bool 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 * Return: whether or not the frame is a probe request */ static inline bool 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 * Return: whether or not the frame is a probe response */ static inline bool 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 * Return: whether or not the frame is a (regular, not S1G) beacon */ static inline bool 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 * Return: whether or not the frame is an ATIM frame */ static inline bool 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 * Return: whether or not the frame is a disassociation frame */ static inline bool 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 * Return: whether or not the frame is an authentication frame */ static inline bool 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 * Return: whether or not the frame is a deauthentication frame */ static inline bool 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 * Return: whether or not the frame is an action frame */ static inline bool 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 * Return: whether or not the frame is a block-ACK request frame */ static inline bool 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 * Return: whether or not the frame is a block-ACK frame */ static inline bool 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 * Return: whether or not the frame is a PS-poll frame */ static inline bool 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 * Return: whether or not the frame is an RTS frame */ static inline bool 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 * Return: whether or not the frame is a CTS frame */ static inline bool 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 * Return: whether or not the frame is an ACK frame */ static inline bool 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 * Return: whether or not the frame is a CF-end frame */ static inline bool 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 * Return: whether or not the frame is a CF-end-ack frame */ static inline bool 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 * Return: whether or not the frame is a nullfunc frame */ static inline bool 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 * Return: whether or not the frame is a QoS nullfunc frame */ static inline bool 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_trigger - check if frame is trigger frame * @fc: frame control field in little-endian byteorder * Return: whether or not the frame is a trigger frame */ static inline bool ieee80211_is_trigger(__le16 fc) { return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_TRIGGER); } /** * ieee80211_is_any_nullfunc - check if frame is regular or QoS nullfunc frame * @fc: frame control bytes in little-endian byteorder * Return: whether or not the frame is a nullfunc or QoS nullfunc frame */ static inline bool ieee80211_is_any_nullfunc(__le16 fc) { return (ieee80211_is_nullfunc(fc) || ieee80211_is_qos_nullfunc(fc)); } /** * ieee80211_is_first_frag - check if IEEE80211_SCTL_FRAG is not set * @seq_ctrl: frame sequence control bytes in little-endian byteorder * Return: whether or not the frame is the first fragment (also true if * it's not fragmented at all) */ static inline bool ieee80211_is_first_frag(__le16 seq_ctrl) { return (seq_ctrl & cpu_to_le16(IEEE80211_SCTL_FRAG)) == 0; } /** * ieee80211_is_frag - check if a frame is a fragment * @hdr: 802.11 header of the frame * Return: whether or not the frame is a fragment */ static inline bool ieee80211_is_frag(struct ieee80211_hdr *hdr) { return ieee80211_has_morefrags(hdr->frame_control) || hdr->seq_ctrl & cpu_to_le16(IEEE80211_SCTL_FRAG); } static inline u16 ieee80211_get_sn(struct ieee80211_hdr *hdr) { return le16_get_bits(hdr->seq_ctrl, IEEE80211_SCTL_SEQ); } /** * struct ieee80211_quiet_ie - Quiet element * @count: Quiet Count * @period: Quiet Period * @duration: Quiet Duration * @offset: Quiet Offset * * This structure represents the payload of the "Quiet element" as * described in IEEE Std 802.11-2020 section 9.4.2.22. */ struct ieee80211_quiet_ie { u8 count; u8 period; __le16 duration; __le16 offset; } __packed; /** * struct ieee80211_msrment_ie - Measurement element * @token: Measurement Token * @mode: Measurement Report Mode * @type: Measurement Type * @request: Measurement Request or Measurement Report * * This structure represents the payload of both the "Measurement * Request element" and the "Measurement Report element" as described * in IEEE Std 802.11-2020 sections 9.4.2.20 and 9.4.2.21. */ struct ieee80211_msrment_ie { u8 token; u8 mode; u8 type; u8 request[]; } __packed; /** * struct ieee80211_channel_sw_ie - Channel Switch Announcement element * @mode: Channel Switch Mode * @new_ch_num: New Channel Number * @count: Channel Switch Count * * This structure represents the payload of the "Channel Switch * Announcement element" as described in IEEE Std 802.11-2020 section * 9.4.2.18. */ struct ieee80211_channel_sw_ie { u8 mode; u8 new_ch_num; u8 count; } __packed; /** * struct ieee80211_ext_chansw_ie - Extended Channel Switch Announcement element * @mode: Channel Switch Mode * @new_operating_class: New Operating Class * @new_ch_num: New Channel Number * @count: Channel Switch Count * * This structure represents the "Extended Channel Switch Announcement * element" as described in IEEE Std 802.11-2020 section 9.4.2.52. */ 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_wide_bw_chansw_ie - wide bandwidth channel switch IE * @new_channel_width: New Channel Width * @new_center_freq_seg0: New Channel Center Frequency Segment 0 * @new_center_freq_seg1: New Channel Center Frequency Segment 1 * * This structure represents the payload of the "Wide Bandwidth * Channel Switch element" as described in IEEE Std 802.11-2020 * section 9.4.2.160. */ struct ieee80211_wide_bw_chansw_ie { u8 new_channel_width; u8 new_center_freq_seg0, new_center_freq_seg1; } __packed; /** * struct ieee80211_tim_ie - Traffic Indication Map information element * @dtim_count: DTIM Count * @dtim_period: DTIM Period * @bitmap_ctrl: Bitmap Control * @required_octet: "Syntatic sugar" to force the struct size to the * minimum valid size when carried in a non-S1G PPDU * @virtual_map: Partial Virtual Bitmap * * This structure represents the payload of the "TIM element" as * described in IEEE Std 802.11-2020 section 9.4.2.5. Note that this * definition is only applicable when the element is carried in a * non-S1G PPDU. When the TIM is carried in an S1G PPDU, the Bitmap * Control and Partial Virtual Bitmap may not be present. */ struct ieee80211_tim_ie { u8 dtim_count; u8 dtim_period; u8 bitmap_ctrl; union { u8 required_octet; DECLARE_FLEX_ARRAY(u8, virtual_map); }; } __packed; #define WLAN_SA_QUERY_TR_ID_LEN 2 #define WLAN_MEMBERSHIP_LEN 8 #define WLAN_USER_POSITION_LEN 16 /** * struct ieee80211_tpc_report_ie - TPC Report element * @tx_power: Transmit Power * @link_margin: Link Margin * * This structure represents the payload of the "TPC Report element" as * described in IEEE Std 802.11-2020 section 9.4.2.16. */ struct ieee80211_tpc_report_ie { u8 tx_power; u8 link_margin; } __packed; #define IEEE80211_ADDBA_EXT_FRAG_LEVEL_MASK GENMASK(2, 1) #define IEEE80211_ADDBA_EXT_FRAG_LEVEL_SHIFT 1 #define IEEE80211_ADDBA_EXT_NO_FRAG BIT(0) #define IEEE80211_ADDBA_EXT_BUF_SIZE_MASK GENMASK(7, 5) #define IEEE80211_ADDBA_EXT_BUF_SIZE_SHIFT 10 struct ieee80211_addba_ext_ie { u8 data; } __packed; struct ieee80211_ext { __le16 frame_control; __le16 duration; union { struct { u8 sa[ETH_ALEN]; __le32 timestamp; u8 change_seq; u8 variable[]; } __packed s1g_beacon; } u; } __packed __aligned(2); /** * struct ieee80211_bss_load_elem - BSS Load elemen * * Defined in section 9.4.2.26 in IEEE 802.11-REVme D4.1 * * @sta_count: total number of STAs currently associated with the AP. * @channel_util: Percentage of time that the access point sensed the channel * was busy. This value is in range [0, 255], the highest value means * 100% busy. * @avail_admission_capa: remaining amount of medium time used for admission * control. */ struct ieee80211_bss_load_elem { __le16 sta_count; u8 channel_util; __le16 avail_admission_capa; } __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[]; } __packed auth; struct { __le16 reason_code; } __packed deauth; struct { __le16 capab_info; __le16 listen_interval; /* followed by SSID and Supported rates */ u8 variable[]; } __packed assoc_req; struct { __le16 capab_info; __le16 status_code; __le16 aid; /* followed by Supported rates */ u8 variable[]; } __packed assoc_resp, reassoc_resp; struct { __le16 capab_info; __le16 status_code; u8 variable[]; } __packed s1g_assoc_resp, s1g_reassoc_resp; struct { __le16 capab_info; __le16 listen_interval; u8 current_ap[ETH_ALEN]; /* followed by SSID and Supported rates */ u8 variable[]; } __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[]; } __packed beacon; struct { /* only variable items: SSID, Supported rates */ DECLARE_FLEX_ARRAY(u8, variable); } __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[]; } __packed probe_resp; struct { u8 category; union { struct { u8 action_code; u8 dialog_token; u8 status_code; u8 variable[]; } __packed wme_action; struct{ u8 action_code; u8 variable[]; } __packed chan_switch; struct{ u8 action_code; struct ieee80211_ext_chansw_ie data; u8 variable[]; } __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; /* followed by BA Extension */ u8 variable[]; } __packed addba_req; struct{ u8 action_code; u8 dialog_token; __le16 status; __le16 capab; __le16 timeout; /* followed by BA Extension */ u8 variable[]; } __packed addba_resp; struct{ u8 action_code; __le16 params; __le16 reason_code; } __packed delba; struct { u8 action_code; u8 variable[]; } __packed self_prot; struct{ u8 action_code; u8 variable[]; } __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[]; } __packed tdls_discover_resp; struct { u8 action_code; u8 operating_mode; } __packed vht_opmode_notif; struct { u8 action_code; u8 membership[WLAN_MEMBERSHIP_LEN]; u8 position[WLAN_USER_POSITION_LEN]; } __packed vht_group_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; struct { u8 action_code; u8 dialog_token; u8 follow_up; u8 tod[6]; u8 toa[6]; __le16 tod_error; __le16 toa_error; u8 variable[]; } __packed ftm; struct { u8 action_code; u8 variable[]; } __packed s1g; struct { u8 action_code; u8 dialog_token; u8 follow_up; u32 tod; u32 toa; u8 max_tod_error; u8 max_toa_error; } __packed wnm_timing_msr; struct { u8 action_code; u8 dialog_token; u8 variable[]; } __packed ttlm_req; struct { u8 action_code; u8 dialog_token; __le16 status_code; u8 variable[]; } __packed ttlm_res; struct { u8 action_code; } __packed ttlm_tear_down; struct { u8 action_code; u8 dialog_token; u8 variable[]; } __packed ml_reconf_req; struct { u8 action_code; u8 dialog_token; u8 count; u8 variable[]; } __packed ml_reconf_resp; struct { u8 action_code; u8 variable[]; } __packed epcs; } u; } __packed action; DECLARE_FLEX_ARRAY(u8, body); /* Generic frame body */ } u; } __packed __aligned(2); /* Supported rates membership selectors */ #define BSS_MEMBERSHIP_SELECTOR_HT_PHY 127 #define BSS_MEMBERSHIP_SELECTOR_VHT_PHY 126 #define BSS_MEMBERSHIP_SELECTOR_GLK 125 #define BSS_MEMBERSHIP_SELECTOR_EPD 124 #define BSS_MEMBERSHIP_SELECTOR_SAE_H2E 123 #define BSS_MEMBERSHIP_SELECTOR_HE_PHY 122 #define BSS_MEMBERSHIP_SELECTOR_EHT_PHY 121 #define BSS_MEMBERSHIP_SELECTOR_MIN BSS_MEMBERSHIP_SELECTOR_EHT_PHY /* 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; /* Management MIC information element (IEEE 802.11w) for GMAC and CMAC-256 */ struct ieee80211_mmie_16 { u8 element_id; u8 length; __le16 key_id; u8 sequence_number[6]; u8 mic[16]; } __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 */ /* Channel switch timing */ struct ieee80211_ch_switch_timing { __le16 switch_time; __le16 switch_timeout; } __packed; /* 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[]; } __packed setup_req; struct { __le16 status_code; u8 dialog_token; __le16 capability; u8 variable[]; } __packed setup_resp; struct { __le16 status_code; u8 dialog_token; u8 variable[]; } __packed setup_cfm; struct { __le16 reason_code; u8 variable[]; } __packed teardown; struct { u8 dialog_token; u8 variable[]; } __packed discover_req; struct { u8 target_channel; u8 oper_class; u8 variable[]; } __packed chan_switch_req; struct { __le16 status_code; u8 variable[]; } __packed chan_switch_resp; } u; } __packed; /* 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_FILS_SK 4 #define WLAN_AUTH_FILS_SK_PFS 5 #define WLAN_AUTH_FILS_PK 6 #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 #define IEEE80211_SPCT_MSR_RPRT_TYPE_LCI 8 #define IEEE80211_SPCT_MSR_RPRT_TYPE_CIVIC 11 /* 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, /* 802.11ai */ WLAN_STATUS_FILS_AUTHENTICATION_FAILURE = 108, WLAN_STATUS_UNKNOWN_AUTHENTICATION_SERVER = 109, WLAN_STATUS_SAE_HASH_TO_ELEMENT = 126, WLAN_STATUS_SAE_PK = 127, WLAN_STATUS_DENIED_TID_TO_LINK_MAPPING = 133, WLAN_STATUS_PREF_TID_TO_LINK_MAPPING_SUGGESTED = 134, }; /* 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, /* 8, 9 reserved */ 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_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_REDUCED_NEIGHBOR_REPORT = 201, WLAN_EID_AID_REQUEST = 210, WLAN_EID_AID_RESPONSE = 211, WLAN_EID_S1G_BCN_COMPAT = 213, WLAN_EID_S1G_SHORT_BCN_INTERVAL = 214, WLAN_EID_S1G_TWT = 216, WLAN_EID_S1G_CAPABILITIES = 217, WLAN_EID_VENDOR_SPECIFIC = 221, WLAN_EID_QOS_PARAMETER = 222, WLAN_EID_S1G_OPERATION = 232, WLAN_EID_CAG_NUMBER = 237, WLAN_EID_AP_CSN = 239, WLAN_EID_FILS_INDICATION = 240, WLAN_EID_DILS = 241, WLAN_EID_FRAGMENT = 242, WLAN_EID_RSNX = 244, WLAN_EID_EXTENSION = 255 }; /* Element ID Extensions for Element ID 255 */ enum ieee80211_eid_ext { WLAN_EID_EXT_ASSOC_DELAY_INFO = 1, WLAN_EID_EXT_FILS_REQ_PARAMS = 2, WLAN_EID_EXT_FILS_KEY_CONFIRM = 3, WLAN_EID_EXT_FILS_SESSION = 4, WLAN_EID_EXT_FILS_HLP_CONTAINER = 5, WLAN_EID_EXT_FILS_IP_ADDR_ASSIGN = 6, WLAN_EID_EXT_KEY_DELIVERY = 7, WLAN_EID_EXT_FILS_WRAPPED_DATA = 8, WLAN_EID_EXT_FILS_PUBLIC_KEY = 12, WLAN_EID_EXT_FILS_NONCE = 13, WLAN_EID_EXT_FUTURE_CHAN_GUIDANCE = 14, WLAN_EID_EXT_DH_PARAMETER = 32, WLAN_EID_EXT_HE_CAPABILITY = 35, WLAN_EID_EXT_HE_OPERATION = 36, WLAN_EID_EXT_UORA = 37, WLAN_EID_EXT_HE_MU_EDCA = 38, WLAN_EID_EXT_HE_SPR = 39, WLAN_EID_EXT_NDP_FEEDBACK_REPORT_PARAMSET = 41, WLAN_EID_EXT_BSS_COLOR_CHG_ANN = 42, WLAN_EID_EXT_QUIET_TIME_PERIOD_SETUP = 43, WLAN_EID_EXT_ESS_REPORT = 45, WLAN_EID_EXT_OPS = 46, WLAN_EID_EXT_HE_BSS_LOAD = 47, WLAN_EID_EXT_MAX_CHANNEL_SWITCH_TIME = 52, WLAN_EID_EXT_MULTIPLE_BSSID_CONFIGURATION = 55, WLAN_EID_EXT_NON_INHERITANCE = 56, WLAN_EID_EXT_KNOWN_BSSID = 57, WLAN_EID_EXT_SHORT_SSID_LIST = 58, WLAN_EID_EXT_HE_6GHZ_CAPA = 59, WLAN_EID_EXT_UL_MU_POWER_CAPA = 60, WLAN_EID_EXT_EHT_OPERATION = 106, WLAN_EID_EXT_EHT_MULTI_LINK = 107, WLAN_EID_EXT_EHT_CAPABILITY = 108, WLAN_EID_EXT_TID_TO_LINK_MAPPING = 109, WLAN_EID_EXT_BANDWIDTH_INDICATION = 135, WLAN_EID_EXT_KNOWN_STA_IDENTIFCATION = 136, WLAN_EID_EXT_NON_AP_STA_REG_CON = 137, }; /* 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_FAST_BBS_TRANSITION = 6, WLAN_CATEGORY_HT = 7, WLAN_CATEGORY_SA_QUERY = 8, WLAN_CATEGORY_PROTECTED_DUAL_OF_ACTION = 9, WLAN_CATEGORY_WNM = 10, WLAN_CATEGORY_WNM_UNPROTECTED = 11, 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_S1G = 22, WLAN_CATEGORY_PROTECTED_EHT = 37, 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, }; /* 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, }; /* Unprotected WNM action codes */ enum ieee80211_unprotected_wnm_actioncode { WLAN_UNPROTECTED_WNM_ACTION_TIM = 0, WLAN_UNPROTECTED_WNM_ACTION_TIMING_MEASUREMENT_RESPONSE = 1, }; /* 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_CCMP_256 = 32, WLAN_KEY_LEN_TKIP = 32, WLAN_KEY_LEN_AES_CMAC = 16, WLAN_KEY_LEN_SMS4 = 32, WLAN_KEY_LEN_GCMP = 16, WLAN_KEY_LEN_GCMP_256 = 32, WLAN_KEY_LEN_BIP_CMAC_256 = 32, WLAN_KEY_LEN_BIP_GMAC_128 = 16, WLAN_KEY_LEN_BIP_GMAC_256 = 32, }; /* Radio measurement action codes as defined in IEEE 802.11-2024 - Table 9-470 */ enum ieee80211_radio_measurement_actioncode { WLAN_RM_ACTION_RADIO_MEASUREMENT_REQUEST = 0, WLAN_RM_ACTION_RADIO_MEASUREMENT_REPORT = 1, WLAN_RM_ACTION_LINK_MEASUREMENT_REQUEST = 2, WLAN_RM_ACTION_LINK_MEASUREMENT_REPORT = 3, WLAN_RM_ACTION_NEIGHBOR_REPORT_REQUEST = 4, WLAN_RM_ACTION_NEIGHBOR_REPORT_RESPONSE = 5, }; #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_CCMP_256_HDR_LEN 8 #define IEEE80211_CCMP_256_MIC_LEN 16 #define IEEE80211_CCMP_256_PN_LEN 6 #define IEEE80211_TKIP_IV_LEN 8 #define IEEE80211_TKIP_ICV_LEN 4 #define IEEE80211_CMAC_PN_LEN 6 #define IEEE80211_GMAC_PN_LEN 6 #define IEEE80211_GCMP_HDR_LEN 8 #define IEEE80211_GCMP_MIC_LEN 16 #define IEEE80211_GCMP_PN_LEN 6 #define FILS_NONCE_LEN 16 #define FILS_MAX_KEK_LEN 64 #define FILS_ERP_MAX_USERNAME_LEN 16 #define FILS_ERP_MAX_REALM_LEN 253 #define FILS_ERP_MAX_RRK_LEN 64 #define PMK_MAX_LEN 64 #define SAE_PASSWORD_MAX_LEN 128 /* Public action codes (IEEE Std 802.11-2016, 9.6.8.1, Table 9-307) */ enum ieee80211_pub_actioncode { WLAN_PUB_ACTION_20_40_BSS_COEX = 0, WLAN_PUB_ACTION_DSE_ENABLEMENT = 1, WLAN_PUB_ACTION_DSE_DEENABLEMENT = 2, WLAN_PUB_ACTION_DSE_REG_LOC_ANN = 3, WLAN_PUB_ACTION_EXT_CHANSW_ANN = 4, WLAN_PUB_ACTION_DSE_MSMT_REQ = 5, WLAN_PUB_ACTION_DSE_MSMT_RESP = 6, WLAN_PUB_ACTION_MSMT_PILOT = 7, WLAN_PUB_ACTION_DSE_PC = 8, WLAN_PUB_ACTION_VENDOR_SPECIFIC = 9, WLAN_PUB_ACTION_GAS_INITIAL_REQ = 10, WLAN_PUB_ACTION_GAS_INITIAL_RESP = 11, WLAN_PUB_ACTION_GAS_COMEBACK_REQ = 12, WLAN_PUB_ACTION_GAS_COMEBACK_RESP = 13, WLAN_PUB_ACTION_TDLS_DISCOVER_RES = 14, WLAN_PUB_ACTION_LOC_TRACK_NOTI = 15, WLAN_PUB_ACTION_QAB_REQUEST_FRAME = 16, WLAN_PUB_ACTION_QAB_RESPONSE_FRAME = 17, WLAN_PUB_ACTION_QMF_POLICY = 18, WLAN_PUB_ACTION_QMF_POLICY_CHANGE = 19, WLAN_PUB_ACTION_QLOAD_REQUEST = 20, WLAN_PUB_ACTION_QLOAD_REPORT = 21, WLAN_PUB_ACTION_HCCA_TXOP_ADVERT = 22, WLAN_PUB_ACTION_HCCA_TXOP_RESPONSE = 23, WLAN_PUB_ACTION_PUBLIC_KEY = 24, WLAN_PUB_ACTION_CHANNEL_AVAIL_QUERY = 25, WLAN_PUB_ACTION_CHANNEL_SCHEDULE_MGMT = 26, WLAN_PUB_ACTION_CONTACT_VERI_SIGNAL = 27, WLAN_PUB_ACTION_GDD_ENABLEMENT_REQ = 28, WLAN_PUB_ACTION_GDD_ENABLEMENT_RESP = 29, WLAN_PUB_ACTION_NETWORK_CHANNEL_CONTROL = 30, WLAN_PUB_ACTION_WHITE_SPACE_MAP_ANN = 31, WLAN_PUB_ACTION_FTM_REQUEST = 32, WLAN_PUB_ACTION_FTM_RESPONSE = 33, WLAN_PUB_ACTION_FILS_DISCOVERY = 34, }; /* 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) /* Multiple BSSID capability is set in the 6th bit of 3rd byte of the * @WLAN_EID_EXT_CAPABILITY information element */ #define WLAN_EXT_CAPA3_MULTI_BSSID_SUPPORT BIT(6) /* Timing Measurement protocol for time sync is set in the 7th bit of 3rd byte * of the @WLAN_EID_EXT_CAPABILITY information element */ #define WLAN_EXT_CAPA3_TIMING_MEASUREMENT_SUPPORT BIT(7) /* TDLS capabilities in the 4th byte of @WLAN_EID_EXT_CAPABILITY */ #define WLAN_EXT_CAPA4_TDLS_BUFFER_STA BIT(4) #define WLAN_EXT_CAPA4_TDLS_PEER_PSM BIT(5) #define WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH BIT(6) /* 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_CAPA5_TDLS_CH_SW_PROHIBITED BIT(7) #define WLAN_EXT_CAPA8_TDLS_WIDE_BW_ENABLED BIT(5) #define WLAN_EXT_CAPA8_OPMODE_NOTIF BIT(6) /* Defines the maximal number of MSDUs in an A-MSDU. */ #define WLAN_EXT_CAPA8_MAX_MSDU_IN_AMSDU_LSB BIT(7) #define WLAN_EXT_CAPA9_MAX_MSDU_IN_AMSDU_MSB BIT(0) /* * Fine Timing Measurement Initiator - bit 71 of @WLAN_EID_EXT_CAPABILITY * information element */ #define WLAN_EXT_CAPA9_FTM_INITIATOR BIT(7) /* Defines support for TWT Requester and TWT Responder */ #define WLAN_EXT_CAPA10_TWT_REQUESTER_SUPPORT BIT(5) #define WLAN_EXT_CAPA10_TWT_RESPONDER_SUPPORT BIT(6) /* * When set, indicates that the AP is able to tolerate 26-tone RU UL * OFDMA transmissions using HE TB PPDU from OBSS (not falsely classify the * 26-tone RU UL OFDMA transmissions as radar pulses). */ #define WLAN_EXT_CAPA10_OBSS_NARROW_BW_RU_TOLERANCE_SUPPORT BIT(7) /* Defines support for enhanced multi-bssid advertisement*/ #define WLAN_EXT_CAPA11_EMA_SUPPORT BIT(3) /* Enable Beacon Protection */ #define WLAN_EXT_CAPA11_BCN_PROTECT BIT(4) /* TDLS specific payload type in the LLC/SNAP header */ #define WLAN_TDLS_SNAP_RFTYPE 0x2 /* BSS Coex IE information field bits */ #define WLAN_BSS_COEX_INFORMATION_REQUEST BIT(0) /* * 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; /** * enum ieee80211_idle_options - BSS idle options * @WLAN_IDLE_OPTIONS_PROTECTED_KEEP_ALIVE: the station should send an RSN * protected frame to the AP to reset the idle timer at the AP for * the station. */ enum ieee80211_idle_options { WLAN_IDLE_OPTIONS_PROTECTED_KEEP_ALIVE = BIT(0), }; /** * struct ieee80211_bss_max_idle_period_ie - BSS max idle period element struct * * This structure refers to "BSS Max idle period element" * * @max_idle_period: indicates the time period during which a station can * refrain from transmitting frames to its associated AP without being * disassociated. In units of 1000 TUs. * @idle_options: indicates the options associated with the BSS idle capability * as specified in &enum ieee80211_idle_options. */ struct ieee80211_bss_max_idle_period_ie { __le16 max_idle_period; u8 idle_options; } __packed; /* SA Query action */ enum ieee80211_sa_query_action { WLAN_ACTION_SA_QUERY_REQUEST = 0, WLAN_ACTION_SA_QUERY_RESPONSE = 1, }; /** * struct ieee80211_bssid_index - multiple BSSID index element structure * * This structure refers to "Multiple BSSID-index element" * * @bssid_index: BSSID index * @dtim_period: optional, overrides transmitted BSS dtim period * @dtim_count: optional, overrides transmitted BSS dtim count */ struct ieee80211_bssid_index { u8 bssid_index; u8 dtim_period; u8 dtim_count; }; /** * struct ieee80211_multiple_bssid_configuration - multiple BSSID configuration * element structure * * This structure refers to "Multiple BSSID Configuration element" * * @bssid_count: total number of active BSSIDs in the set * @profile_periodicity: the least number of beacon frames need to be received * in order to discover all the nontransmitted BSSIDs in the set. */ struct ieee80211_multiple_bssid_configuration { u8 bssid_count; u8 profile_periodicity; }; #define SUITE(oui, id) (((oui) << 8) | (id)) /* cipher suite selectors */ #define WLAN_CIPHER_SUITE_USE_GROUP SUITE(0x000FAC, 0) #define WLAN_CIPHER_SUITE_WEP40 SUITE(0x000FAC, 1) #define WLAN_CIPHER_SUITE_TKIP SUITE(0x000FAC, 2) /* reserved: SUITE(0x000FAC, 3) */ #define WLAN_CIPHER_SUITE_CCMP SUITE(0x000FAC, 4) #define WLAN_CIPHER_SUITE_WEP104 SUITE(0x000FAC, 5) #define WLAN_CIPHER_SUITE_AES_CMAC SUITE(0x000FAC, 6) #define WLAN_CIPHER_SUITE_GCMP SUITE(0x000FAC, 8) #define WLAN_CIPHER_SUITE_GCMP_256 SUITE(0x000FAC, 9) #define WLAN_CIPHER_SUITE_CCMP_256 SUITE(0x000FAC, 10) #define WLAN_CIPHER_SUITE_BIP_GMAC_128 SUITE(0x000FAC, 11) #define WLAN_CIPHER_SUITE_BIP_GMAC_256 SUITE(0x000FAC, 12) #define WLAN_CIPHER_SUITE_BIP_CMAC_256 SUITE(0x000FAC, 13) #define WLAN_CIPHER_SUITE_SMS4 SUITE(0x001472, 1) /* AKM suite selectors */ #define WLAN_AKM_SUITE_8021X SUITE(0x000FAC, 1) #define WLAN_AKM_SUITE_PSK SUITE(0x000FAC, 2) #define WLAN_AKM_SUITE_FT_8021X SUITE(0x000FAC, 3) #define WLAN_AKM_SUITE_FT_PSK SUITE(0x000FAC, 4) #define WLAN_AKM_SUITE_8021X_SHA256 SUITE(0x000FAC, 5) #define WLAN_AKM_SUITE_PSK_SHA256 SUITE(0x000FAC, 6) #define WLAN_AKM_SUITE_TDLS SUITE(0x000FAC, 7) #define WLAN_AKM_SUITE_SAE SUITE(0x000FAC, 8) #define WLAN_AKM_SUITE_FT_OVER_SAE SUITE(0x000FAC, 9) #define WLAN_AKM_SUITE_AP_PEER_KEY SUITE(0x000FAC, 10) #define WLAN_AKM_SUITE_8021X_SUITE_B SUITE(0x000FAC, 11) #define WLAN_AKM_SUITE_8021X_SUITE_B_192 SUITE(0x000FAC, 12) #define WLAN_AKM_SUITE_FT_8021X_SHA384 SUITE(0x000FAC, 13) #define WLAN_AKM_SUITE_FILS_SHA256 SUITE(0x000FAC, 14) #define WLAN_AKM_SUITE_FILS_SHA384 SUITE(0x000FAC, 15) #define WLAN_AKM_SUITE_FT_FILS_SHA256 SUITE(0x000FAC, 16) #define WLAN_AKM_SUITE_FT_FILS_SHA384 SUITE(0x000FAC, 17) #define WLAN_AKM_SUITE_OWE SUITE(0x000FAC, 18) #define WLAN_AKM_SUITE_FT_PSK_SHA384 SUITE(0x000FAC, 19) #define WLAN_AKM_SUITE_PSK_SHA384 SUITE(0x000FAC, 20) #define WLAN_AKM_SUITE_WFA_DPP SUITE(WLAN_OUI_WFA, 2) #define WLAN_MAX_KEY_LEN 32 #define WLAN_PMK_NAME_LEN 16 #define WLAN_PMKID_LEN 16 #define WLAN_PMK_LEN_EAP_LEAP 16 #define WLAN_PMK_LEN 32 #define WLAN_PMK_LEN_SUITE_B_192 48 #define WLAN_OUI_WFA 0x506f9a #define WLAN_OUI_TYPE_WFA_P2P 9 #define WLAN_OUI_TYPE_WFA_DPP 0x1A #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 #define WLAN_OUI_TYPE_MICROSOFT_TPC 8 /* * 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 * Return: a pointer to the QoS control field in the frame header * * The qos ctrl bytes come after the frame_control, duration, seq_num * and 3 or 4 addresses of length ETH_ALEN. Checks frame_control to choose * between struct ieee80211_qos_hdr_4addr and struct ieee80211_qos_hdr. */ static inline u8 *ieee80211_get_qos_ctl(struct ieee80211_hdr *hdr) { union { struct ieee80211_qos_hdr addr3; struct ieee80211_qos_hdr_4addr addr4; } *qos; qos = (void *)hdr; if (ieee80211_has_a4(qos->addr3.frame_control)) return (u8 *)&qos->addr4.qos_ctrl; else return (u8 *)&qos->addr3.qos_ctrl; } /** * ieee80211_get_tid - get qos TID * @hdr: the frame * Return: the TID from the QoS control field */ static inline u8 ieee80211_get_tid(struct ieee80211_hdr *hdr) { u8 *qc = ieee80211_get_qos_ctl(hdr); return qc[0] & IEEE80211_QOS_CTL_TID_MASK; } /** * ieee80211_get_SA - get pointer to SA * @hdr: the frame * Return: a pointer to the source address (SA) * * 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 * Return: a pointer to the destination address (DA) * * 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_bufferable_mmpdu - check if frame is bufferable MMPDU * @skb: the skb to check, starting with the 802.11 header * Return: whether or not the MMPDU is bufferable */ static inline bool ieee80211_is_bufferable_mmpdu(struct sk_buff *skb) { struct ieee80211_mgmt *mgmt = (void *)skb->data; __le16 fc = mgmt->frame_control; /* * IEEE 802.11 REVme D2.0 definition of bufferable MMPDU; * note that this ignores the IBSS special case. */ if (!ieee80211_is_mgmt(fc)) return false; if (ieee80211_is_disassoc(fc) || ieee80211_is_deauth(fc)) return true; if (!ieee80211_is_action(fc)) return false; if (skb->len < offsetofend(typeof(*mgmt), u.action.u.ftm.action_code)) return true; /* action frame - additionally check for non-bufferable FTM */ if (mgmt->u.action.category != WLAN_CATEGORY_PUBLIC && mgmt->u.action.category != WLAN_CATEGORY_PROTECTED_DUAL_OF_ACTION) return true; if (mgmt->u.action.u.ftm.action_code == WLAN_PUB_ACTION_FTM_REQUEST || mgmt->u.action.u.ftm.action_code == WLAN_PUB_ACTION_FTM_RESPONSE) return false; return true; } /** * _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) * Return: whether or not the frame is a robust management frame */ 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_WNM_UNPROTECTED && *category != WLAN_CATEGORY_SELF_PROTECTED && *category != WLAN_CATEGORY_UNPROT_DMG && *category != WLAN_CATEGORY_VHT && *category != WLAN_CATEGORY_S1G && *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 * Return: whether or not the frame is a robust management frame */ static inline bool ieee80211_is_robust_mgmt_frame(struct sk_buff *skb) { if (skb->len < IEEE80211_MIN_ACTION_SIZE) 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 * Return: whether or not the frame is a public action 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_is_protected_dual_of_public_action - check if skb contains a * protected dual of public action management frame * @skb: the skb containing the frame, length will be checked * * Return: true if the skb contains a protected dual of public action * management frame, false otherwise. */ static inline bool ieee80211_is_protected_dual_of_public_action(struct sk_buff *skb) { u8 action; if (!ieee80211_is_public_action((void *)skb->data, skb->len) || skb->len < IEEE80211_MIN_ACTION_SIZE + 1) return false; action = *(u8 *)(skb->data + IEEE80211_MIN_ACTION_SIZE); return action != WLAN_PUB_ACTION_20_40_BSS_COEX && action != WLAN_PUB_ACTION_DSE_REG_LOC_ANN && action != WLAN_PUB_ACTION_MSMT_PILOT && action != WLAN_PUB_ACTION_TDLS_DISCOVER_RES && action != WLAN_PUB_ACTION_LOC_TRACK_NOTI && action != WLAN_PUB_ACTION_FTM_REQUEST && action != WLAN_PUB_ACTION_FTM_RESPONSE && action != WLAN_PUB_ACTION_FILS_DISCOVERY && action != WLAN_PUB_ACTION_VENDOR_SPECIFIC; } /** * _ieee80211_is_group_privacy_action - check if frame is a group addressed * privacy action frame * @hdr: the frame * Return: whether or not the frame is a group addressed privacy action frame */ static inline bool _ieee80211_is_group_privacy_action(struct ieee80211_hdr *hdr) { struct ieee80211_mgmt *mgmt = (void *)hdr; if (!ieee80211_is_action(hdr->frame_control) || !is_multicast_ether_addr(hdr->addr1)) return false; return mgmt->u.action.category == WLAN_CATEGORY_MESH_ACTION || mgmt->u.action.category == WLAN_CATEGORY_MULTIHOP_ACTION; } /** * ieee80211_is_group_privacy_action - check if frame is a group addressed * privacy action frame * @skb: the skb containing the frame, length will be checked * Return: whether or not the frame is a group addressed privacy action frame */ static inline bool ieee80211_is_group_privacy_action(struct sk_buff *skb) { if (skb->len < IEEE80211_MIN_ACTION_SIZE) return false; return _ieee80211_is_group_privacy_action((void *)skb->data); } /** * ieee80211_tu_to_usec - convert time units (TU) to microseconds * @tu: the TUs * Return: the time value converted to microseconds */ static inline unsigned long ieee80211_tu_to_usec(unsigned long tu) { return 1024 * tu; } 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); } /** * ieee80211_get_tdls_action - get TDLS action code * @skb: the skb containing the frame, length will not be checked * Return: the TDLS action code, or -1 if it's not an encapsulated TDLS action * frame * * This function assumes the frame is a data frame, and that the network header * is in the correct place. */ static inline int ieee80211_get_tdls_action(struct sk_buff *skb) { if (!skb_is_nonlinear(skb) && skb->len > (skb_network_offset(skb) + 2)) { /* Point to where the indication of TDLS should start */ const u8 *tdls_data = skb_network_header(skb) - 2; if (get_unaligned_be16(tdls_data) == ETH_P_TDLS && tdls_data[2] == WLAN_TDLS_SNAP_RFTYPE && tdls_data[3] == WLAN_CATEGORY_TDLS) return tdls_data[4]; } return -1; } /* convert time units */ #define TU_TO_JIFFIES(x) (usecs_to_jiffies((x) * 1024)) #define TU_TO_EXP_TIME(x) (jiffies + TU_TO_JIFFIES(x)) /* convert frequencies */ #define MHZ_TO_KHZ(freq) ((freq) * 1000) #define KHZ_TO_MHZ(freq) ((freq) / 1000) #define PR_KHZ(f) KHZ_TO_MHZ(f), f % 1000 #define KHZ_F "%d.%03d" /* convert powers */ #define DBI_TO_MBI(gain) ((gain) * 100) #define MBI_TO_DBI(gain) ((gain) / 100) #define DBM_TO_MBM(gain) ((gain) * 100) #define MBM_TO_DBM(gain) ((gain) / 100) /** * ieee80211_action_contains_tpc - checks if the frame contains TPC element * @skb: the skb containing the frame, length will be checked * Return: %true if the frame contains a TPC element, %false otherwise * * 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; } /** * ieee80211_is_timing_measurement - check if frame is timing measurement response * @skb: the SKB to check * Return: whether or not the frame is a valid timing measurement response */ static inline bool ieee80211_is_timing_measurement(struct sk_buff *skb) { struct ieee80211_mgmt *mgmt = (void *)skb->data; if (skb->len < IEEE80211_MIN_ACTION_SIZE) return false; if (!ieee80211_is_action(mgmt->frame_control)) return false; if (mgmt->u.action.category == WLAN_CATEGORY_WNM_UNPROTECTED && mgmt->u.action.u.wnm_timing_msr.action_code == WLAN_UNPROTECTED_WNM_ACTION_TIMING_MEASUREMENT_RESPONSE && skb->len >= offsetofend(typeof(*mgmt), u.action.u.wnm_timing_msr)) return true; return false; } /** * ieee80211_is_ftm - check if frame is FTM response * @skb: the SKB to check * Return: whether or not the frame is a valid FTM response action frame */ static inline bool ieee80211_is_ftm(struct sk_buff *skb) { struct ieee80211_mgmt *mgmt = (void *)skb->data; if (!ieee80211_is_public_action((void *)mgmt, skb->len)) return false; if (mgmt->u.action.u.ftm.action_code == WLAN_PUB_ACTION_FTM_RESPONSE && skb->len >= offsetofend(typeof(*mgmt), u.action.u.ftm)) return true; return false; } struct element { u8 id; u8 datalen; u8 data[]; } __packed; /* element iteration helpers */ #define for_each_element(_elem, _data, _datalen) \ for (_elem = (const struct element *)(_data); \ (const u8 *)(_data) + (_datalen) - (const u8 *)_elem >= \ (int)sizeof(*_elem) && \ (const u8 *)(_data) + (_datalen) - (const u8 *)_elem >= \ (int)sizeof(*_elem) + _elem->datalen; \ _elem = (const struct element *)(_elem->data + _elem->datalen)) #define for_each_element_id(element, _id, data, datalen) \ for_each_element(element, data, datalen) \ if (element->id == (_id)) #define for_each_element_extid(element, extid, _data, _datalen) \ for_each_element(element, _data, _datalen) \ if (element->id == WLAN_EID_EXTENSION && \ element->datalen > 0 && \ element->data[0] == (extid)) #define for_each_subelement(sub, element) \ for_each_element(sub, (element)->data, (element)->datalen) #define for_each_subelement_id(sub, id, element) \ for_each_element_id(sub, id, (element)->data, (element)->datalen) #define for_each_subelement_extid(sub, extid, element) \ for_each_element_extid(sub, extid, (element)->data, (element)->datalen) /** * for_each_element_completed - determine if element parsing consumed all data * @element: element pointer after for_each_element() or friends * @data: same data pointer as passed to for_each_element() or friends * @datalen: same data length as passed to for_each_element() or friends * Return: %true if all elements were iterated, %false otherwise; see notes * * This function returns %true if all the data was parsed or considered * while walking the elements. Only use this if your for_each_element() * loop cannot be broken out of, otherwise it always returns %false. * * If some data was malformed, this returns %false since the last parsed * element will not fill the whole remaining data. */ static inline bool for_each_element_completed(const struct element *element, const void *data, size_t datalen) { return (const u8 *)element == (const u8 *)data + datalen; } /* * RSNX Capabilities: * bits 0-3: Field length (n-1) */ #define WLAN_RSNX_CAPA_PROTECTED_TWT BIT(4) #define WLAN_RSNX_CAPA_SAE_H2E BIT(5) /* * reduced neighbor report, based on Draft P802.11ax_D6.1, * section 9.4.2.170 and accepted contributions. */ #define IEEE80211_AP_INFO_TBTT_HDR_TYPE 0x03 #define IEEE80211_AP_INFO_TBTT_HDR_FILTERED 0x04 #define IEEE80211_AP_INFO_TBTT_HDR_COLOC 0x08 #define IEEE80211_AP_INFO_TBTT_HDR_COUNT 0xF0 #define IEEE80211_TBTT_INFO_TYPE_TBTT 0 #define IEEE80211_TBTT_INFO_TYPE_MLD 1 #define IEEE80211_RNR_TBTT_PARAMS_OCT_RECOMMENDED 0x01 #define IEEE80211_RNR_TBTT_PARAMS_SAME_SSID 0x02 #define IEEE80211_RNR_TBTT_PARAMS_MULTI_BSSID 0x04 #define IEEE80211_RNR_TBTT_PARAMS_TRANSMITTED_BSSID 0x08 #define IEEE80211_RNR_TBTT_PARAMS_COLOC_ESS 0x10 #define IEEE80211_RNR_TBTT_PARAMS_PROBE_ACTIVE 0x20 #define IEEE80211_RNR_TBTT_PARAMS_COLOC_AP 0x40 #define IEEE80211_RNR_TBTT_PARAMS_PSD_NO_LIMIT 127 #define IEEE80211_RNR_TBTT_PARAMS_PSD_RESERVED -128 struct ieee80211_neighbor_ap_info { u8 tbtt_info_hdr; u8 tbtt_info_len; u8 op_class; u8 channel; } __packed; enum ieee80211_range_params_max_total_ltf { IEEE80211_RANGE_PARAMS_MAX_TOTAL_LTF_4 = 0, IEEE80211_RANGE_PARAMS_MAX_TOTAL_LTF_8, IEEE80211_RANGE_PARAMS_MAX_TOTAL_LTF_16, IEEE80211_RANGE_PARAMS_MAX_TOTAL_LTF_UNSPECIFIED, }; /* * reduced neighbor report, based on Draft P802.11be_D3.0, * section 9.4.2.170.2. */ struct ieee80211_rnr_mld_params { u8 mld_id; __le16 params; } __packed; #define IEEE80211_RNR_MLD_PARAMS_LINK_ID 0x000F #define IEEE80211_RNR_MLD_PARAMS_BSS_CHANGE_COUNT 0x0FF0 #define IEEE80211_RNR_MLD_PARAMS_UPDATES_INCLUDED 0x1000 #define IEEE80211_RNR_MLD_PARAMS_DISABLED_LINK 0x2000 /* Format of the TBTT information element if it has 7, 8 or 9 bytes */ struct ieee80211_tbtt_info_7_8_9 { u8 tbtt_offset; u8 bssid[ETH_ALEN]; /* The following element is optional, structure may not grow */ u8 bss_params; s8 psd_20; } __packed; /* Format of the TBTT information element if it has >= 11 bytes */ struct ieee80211_tbtt_info_ge_11 { u8 tbtt_offset; u8 bssid[ETH_ALEN]; __le32 short_ssid; /* The following elements are optional, structure may grow */ u8 bss_params; s8 psd_20; struct ieee80211_rnr_mld_params mld_params; } __packed; #include "ieee80211-ht.h" #include "ieee80211-vht.h" #include "ieee80211-he.h" #include "ieee80211-eht.h" #include "ieee80211-mesh.h" #include "ieee80211-s1g.h" #include "ieee80211-p2p.h" #include "ieee80211-nan.h" /** * 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 * @s1g: whether the TIM is from an S1G PPDU * Return: whether or not traffic is indicated in the TIM for the given AID */ static inline bool ieee80211_check_tim(const struct ieee80211_tim_ie *tim, u8 tim_len, u16 aid, bool s1g) { return s1g ? ieee80211_s1g_check_tim(tim, tim_len, aid) : __ieee80211_check_tim(tim, tim_len, aid); } #endif /* LINUX_IEEE80211_H */