| /* |
| * IEEE 802.11 defines |
| * |
| * Copyright (c) 2001-2002, SSH Communications Security Corp and Jouni Malinen |
| * <jkmaline@cc.hut.fi> |
| * Copyright (c) 2002-2003, Jouni Malinen <jkmaline@cc.hut.fi> |
| * Copyright (c) 2005, Devicescape Software, Inc. |
| * Copyright (c) 2006, Michael Wu <flamingice@sourmilk.net> |
| * 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 <linux/types.h> |
| #include <linux/if_ether.h> |
| #include <asm/byteorder.h> |
| #include <asm/unaligned.h> |
| |
| /* |
| * 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; |
| |
| /* 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[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; |
| struct { |
| u8 target_channel; |
| u8 oper_class; |
| u8 variable[0]; |
| } __packed chan_switch_req; |
| struct { |
| __le16 status_code; |
| u8 variable[0]; |
| } __packed chan_switch_resp; |
| } 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_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, |
| }; |
| |
| #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 |
| |
| /* 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) |
| |
| /* TDLS capabilities in the 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) |
| |
| /* 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) |
| |
| /** |
| * 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_GCMP_256 0x000FAC09 |
| #define WLAN_CIPHER_SUITE_CCMP_256 0x000FAC0A |
| #define WLAN_CIPHER_SUITE_BIP_GMAC_128 0x000FAC0B |
| #define WLAN_CIPHER_SUITE_BIP_GMAC_256 0x000FAC0C |
| #define WLAN_CIPHER_SUITE_BIP_CMAC_256 0x000FAC0D |
| |
| #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); |
| } |
| |
| /** |
| * ieee80211_get_tdls_action - get tdls packet action (or -1, if not tdls packet) |
| * @skb: the skb containing the frame, length will not be checked |
| * @hdr_size: the size of the ieee80211_hdr that starts at skb->data |
| * |
| * 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, u32 hdr_size) |
| { |
| 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)) |
| |
| /** |
| * 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 */ |