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0001 /* SPDX-License-Identifier: GPL-2.0-only */
0002 /*
0003  * IEEE 802.11 defines
0004  *
0005  * Copyright (c) 2001-2002, SSH Communications Security Corp and Jouni Malinen
0006  * <jkmaline@cc.hut.fi>
0007  * Copyright (c) 2002-2003, Jouni Malinen <jkmaline@cc.hut.fi>
0008  * Copyright (c) 2005, Devicescape Software, Inc.
0009  * Copyright (c) 2006, Michael Wu <flamingice@sourmilk.net>
0010  * Copyright (c) 2013 - 2014 Intel Mobile Communications GmbH
0011  * Copyright (c) 2016 - 2017 Intel Deutschland GmbH
0012  * Copyright (c) 2018 - 2022 Intel Corporation
0013  */
0014 
0015 #ifndef LINUX_IEEE80211_H
0016 #define LINUX_IEEE80211_H
0017 
0018 #include <linux/types.h>
0019 #include <linux/if_ether.h>
0020 #include <linux/etherdevice.h>
0021 #include <linux/bitfield.h>
0022 #include <asm/byteorder.h>
0023 #include <asm/unaligned.h>
0024 
0025 /*
0026  * DS bit usage
0027  *
0028  * TA = transmitter address
0029  * RA = receiver address
0030  * DA = destination address
0031  * SA = source address
0032  *
0033  * ToDS    FromDS  A1(RA)  A2(TA)  A3      A4      Use
0034  * -----------------------------------------------------------------
0035  *  0       0       DA      SA      BSSID   -       IBSS/DLS
0036  *  0       1       DA      BSSID   SA      -       AP -> STA
0037  *  1       0       BSSID   SA      DA      -       AP <- STA
0038  *  1       1       RA      TA      DA      SA      unspecified (WDS)
0039  */
0040 
0041 #define FCS_LEN 4
0042 
0043 #define IEEE80211_FCTL_VERS     0x0003
0044 #define IEEE80211_FCTL_FTYPE        0x000c
0045 #define IEEE80211_FCTL_STYPE        0x00f0
0046 #define IEEE80211_FCTL_TODS     0x0100
0047 #define IEEE80211_FCTL_FROMDS       0x0200
0048 #define IEEE80211_FCTL_MOREFRAGS    0x0400
0049 #define IEEE80211_FCTL_RETRY        0x0800
0050 #define IEEE80211_FCTL_PM       0x1000
0051 #define IEEE80211_FCTL_MOREDATA     0x2000
0052 #define IEEE80211_FCTL_PROTECTED    0x4000
0053 #define IEEE80211_FCTL_ORDER        0x8000
0054 #define IEEE80211_FCTL_CTL_EXT      0x0f00
0055 
0056 #define IEEE80211_SCTL_FRAG     0x000F
0057 #define IEEE80211_SCTL_SEQ      0xFFF0
0058 
0059 #define IEEE80211_FTYPE_MGMT        0x0000
0060 #define IEEE80211_FTYPE_CTL     0x0004
0061 #define IEEE80211_FTYPE_DATA        0x0008
0062 #define IEEE80211_FTYPE_EXT     0x000c
0063 
0064 /* management */
0065 #define IEEE80211_STYPE_ASSOC_REQ   0x0000
0066 #define IEEE80211_STYPE_ASSOC_RESP  0x0010
0067 #define IEEE80211_STYPE_REASSOC_REQ 0x0020
0068 #define IEEE80211_STYPE_REASSOC_RESP    0x0030
0069 #define IEEE80211_STYPE_PROBE_REQ   0x0040
0070 #define IEEE80211_STYPE_PROBE_RESP  0x0050
0071 #define IEEE80211_STYPE_BEACON      0x0080
0072 #define IEEE80211_STYPE_ATIM        0x0090
0073 #define IEEE80211_STYPE_DISASSOC    0x00A0
0074 #define IEEE80211_STYPE_AUTH        0x00B0
0075 #define IEEE80211_STYPE_DEAUTH      0x00C0
0076 #define IEEE80211_STYPE_ACTION      0x00D0
0077 
0078 /* control */
0079 #define IEEE80211_STYPE_TRIGGER     0x0020
0080 #define IEEE80211_STYPE_CTL_EXT     0x0060
0081 #define IEEE80211_STYPE_BACK_REQ    0x0080
0082 #define IEEE80211_STYPE_BACK        0x0090
0083 #define IEEE80211_STYPE_PSPOLL      0x00A0
0084 #define IEEE80211_STYPE_RTS     0x00B0
0085 #define IEEE80211_STYPE_CTS     0x00C0
0086 #define IEEE80211_STYPE_ACK     0x00D0
0087 #define IEEE80211_STYPE_CFEND       0x00E0
0088 #define IEEE80211_STYPE_CFENDACK    0x00F0
0089 
0090 /* data */
0091 #define IEEE80211_STYPE_DATA            0x0000
0092 #define IEEE80211_STYPE_DATA_CFACK      0x0010
0093 #define IEEE80211_STYPE_DATA_CFPOLL     0x0020
0094 #define IEEE80211_STYPE_DATA_CFACKPOLL      0x0030
0095 #define IEEE80211_STYPE_NULLFUNC        0x0040
0096 #define IEEE80211_STYPE_CFACK           0x0050
0097 #define IEEE80211_STYPE_CFPOLL          0x0060
0098 #define IEEE80211_STYPE_CFACKPOLL       0x0070
0099 #define IEEE80211_STYPE_QOS_DATA        0x0080
0100 #define IEEE80211_STYPE_QOS_DATA_CFACK      0x0090
0101 #define IEEE80211_STYPE_QOS_DATA_CFPOLL     0x00A0
0102 #define IEEE80211_STYPE_QOS_DATA_CFACKPOLL  0x00B0
0103 #define IEEE80211_STYPE_QOS_NULLFUNC        0x00C0
0104 #define IEEE80211_STYPE_QOS_CFACK       0x00D0
0105 #define IEEE80211_STYPE_QOS_CFPOLL      0x00E0
0106 #define IEEE80211_STYPE_QOS_CFACKPOLL       0x00F0
0107 
0108 /* extension, added by 802.11ad */
0109 #define IEEE80211_STYPE_DMG_BEACON      0x0000
0110 #define IEEE80211_STYPE_S1G_BEACON      0x0010
0111 
0112 /* bits unique to S1G beacon */
0113 #define IEEE80211_S1G_BCN_NEXT_TBTT 0x100
0114 
0115 /* see 802.11ah-2016 9.9 NDP CMAC frames */
0116 #define IEEE80211_S1G_1MHZ_NDP_BITS 25
0117 #define IEEE80211_S1G_1MHZ_NDP_BYTES    4
0118 #define IEEE80211_S1G_2MHZ_NDP_BITS 37
0119 #define IEEE80211_S1G_2MHZ_NDP_BYTES    5
0120 
0121 #define IEEE80211_NDP_FTYPE_CTS         0
0122 #define IEEE80211_NDP_FTYPE_CF_END      0
0123 #define IEEE80211_NDP_FTYPE_PS_POLL     1
0124 #define IEEE80211_NDP_FTYPE_ACK         2
0125 #define IEEE80211_NDP_FTYPE_PS_POLL_ACK     3
0126 #define IEEE80211_NDP_FTYPE_BA          4
0127 #define IEEE80211_NDP_FTYPE_BF_REPORT_POLL  5
0128 #define IEEE80211_NDP_FTYPE_PAGING      6
0129 #define IEEE80211_NDP_FTYPE_PREQ        7
0130 
0131 #define SM64(f, v)  ((((u64)v) << f##_S) & f)
0132 
0133 /* NDP CMAC frame fields */
0134 #define IEEE80211_NDP_FTYPE                    0x0000000000000007
0135 #define IEEE80211_NDP_FTYPE_S                  0x0000000000000000
0136 
0137 /* 1M Probe Request 11ah 9.9.3.1.1 */
0138 #define IEEE80211_NDP_1M_PREQ_ANO      0x0000000000000008
0139 #define IEEE80211_NDP_1M_PREQ_ANO_S                     3
0140 #define IEEE80211_NDP_1M_PREQ_CSSID    0x00000000000FFFF0
0141 #define IEEE80211_NDP_1M_PREQ_CSSID_S                   4
0142 #define IEEE80211_NDP_1M_PREQ_RTYPE    0x0000000000100000
0143 #define IEEE80211_NDP_1M_PREQ_RTYPE_S                  20
0144 #define IEEE80211_NDP_1M_PREQ_RSV      0x0000000001E00000
0145 #define IEEE80211_NDP_1M_PREQ_RSV      0x0000000001E00000
0146 /* 2M Probe Request 11ah 9.9.3.1.2 */
0147 #define IEEE80211_NDP_2M_PREQ_ANO      0x0000000000000008
0148 #define IEEE80211_NDP_2M_PREQ_ANO_S                     3
0149 #define IEEE80211_NDP_2M_PREQ_CSSID    0x0000000FFFFFFFF0
0150 #define IEEE80211_NDP_2M_PREQ_CSSID_S                   4
0151 #define IEEE80211_NDP_2M_PREQ_RTYPE    0x0000001000000000
0152 #define IEEE80211_NDP_2M_PREQ_RTYPE_S                  36
0153 
0154 #define IEEE80211_ANO_NETTYPE_WILD              15
0155 
0156 /* bits unique to S1G beacon */
0157 #define IEEE80211_S1G_BCN_NEXT_TBTT    0x100
0158 
0159 /* control extension - for IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTL_EXT */
0160 #define IEEE80211_CTL_EXT_POLL      0x2000
0161 #define IEEE80211_CTL_EXT_SPR       0x3000
0162 #define IEEE80211_CTL_EXT_GRANT 0x4000
0163 #define IEEE80211_CTL_EXT_DMG_CTS   0x5000
0164 #define IEEE80211_CTL_EXT_DMG_DTS   0x6000
0165 #define IEEE80211_CTL_EXT_SSW       0x8000
0166 #define IEEE80211_CTL_EXT_SSW_FBACK 0x9000
0167 #define IEEE80211_CTL_EXT_SSW_ACK   0xa000
0168 
0169 
0170 #define IEEE80211_SN_MASK       ((IEEE80211_SCTL_SEQ) >> 4)
0171 #define IEEE80211_MAX_SN        IEEE80211_SN_MASK
0172 #define IEEE80211_SN_MODULO     (IEEE80211_MAX_SN + 1)
0173 
0174 
0175 /* PV1 Layout 11ah 9.8.3.1 */
0176 #define IEEE80211_PV1_FCTL_VERS     0x0003
0177 #define IEEE80211_PV1_FCTL_FTYPE    0x001c
0178 #define IEEE80211_PV1_FCTL_STYPE    0x00e0
0179 #define IEEE80211_PV1_FCTL_TODS     0x0100
0180 #define IEEE80211_PV1_FCTL_MOREFRAGS    0x0200
0181 #define IEEE80211_PV1_FCTL_PM       0x0400
0182 #define IEEE80211_PV1_FCTL_MOREDATA 0x0800
0183 #define IEEE80211_PV1_FCTL_PROTECTED    0x1000
0184 #define IEEE80211_PV1_FCTL_END_SP       0x2000
0185 #define IEEE80211_PV1_FCTL_RELAYED      0x4000
0186 #define IEEE80211_PV1_FCTL_ACK_POLICY   0x8000
0187 #define IEEE80211_PV1_FCTL_CTL_EXT  0x0f00
0188 
0189 static inline bool ieee80211_sn_less(u16 sn1, u16 sn2)
0190 {
0191     return ((sn1 - sn2) & IEEE80211_SN_MASK) > (IEEE80211_SN_MODULO >> 1);
0192 }
0193 
0194 static inline u16 ieee80211_sn_add(u16 sn1, u16 sn2)
0195 {
0196     return (sn1 + sn2) & IEEE80211_SN_MASK;
0197 }
0198 
0199 static inline u16 ieee80211_sn_inc(u16 sn)
0200 {
0201     return ieee80211_sn_add(sn, 1);
0202 }
0203 
0204 static inline u16 ieee80211_sn_sub(u16 sn1, u16 sn2)
0205 {
0206     return (sn1 - sn2) & IEEE80211_SN_MASK;
0207 }
0208 
0209 #define IEEE80211_SEQ_TO_SN(seq)    (((seq) & IEEE80211_SCTL_SEQ) >> 4)
0210 #define IEEE80211_SN_TO_SEQ(ssn)    (((ssn) << 4) & IEEE80211_SCTL_SEQ)
0211 
0212 /* miscellaneous IEEE 802.11 constants */
0213 #define IEEE80211_MAX_FRAG_THRESHOLD    2352
0214 #define IEEE80211_MAX_RTS_THRESHOLD 2353
0215 #define IEEE80211_MAX_AID       2007
0216 #define IEEE80211_MAX_AID_S1G       8191
0217 #define IEEE80211_MAX_TIM_LEN       251
0218 #define IEEE80211_MAX_MESH_PEERINGS 63
0219 /* Maximum size for the MA-UNITDATA primitive, 802.11 standard section
0220    6.2.1.1.2.
0221 
0222    802.11e clarifies the figure in section 7.1.2. The frame body is
0223    up to 2304 octets long (maximum MSDU size) plus any crypt overhead. */
0224 #define IEEE80211_MAX_DATA_LEN      2304
0225 /* 802.11ad extends maximum MSDU size for DMG (freq > 40Ghz) networks
0226  * to 7920 bytes, see 8.2.3 General frame format
0227  */
0228 #define IEEE80211_MAX_DATA_LEN_DMG  7920
0229 /* 30 byte 4 addr hdr, 2 byte QoS, 2304 byte MSDU, 12 byte crypt, 4 byte FCS */
0230 #define IEEE80211_MAX_FRAME_LEN     2352
0231 
0232 /* Maximal size of an A-MSDU that can be transported in a HT BA session */
0233 #define IEEE80211_MAX_MPDU_LEN_HT_BA        4095
0234 
0235 /* Maximal size of an A-MSDU */
0236 #define IEEE80211_MAX_MPDU_LEN_HT_3839      3839
0237 #define IEEE80211_MAX_MPDU_LEN_HT_7935      7935
0238 
0239 #define IEEE80211_MAX_MPDU_LEN_VHT_3895     3895
0240 #define IEEE80211_MAX_MPDU_LEN_VHT_7991     7991
0241 #define IEEE80211_MAX_MPDU_LEN_VHT_11454    11454
0242 
0243 #define IEEE80211_MAX_SSID_LEN      32
0244 
0245 #define IEEE80211_MAX_MESH_ID_LEN   32
0246 
0247 #define IEEE80211_FIRST_TSPEC_TSID  8
0248 #define IEEE80211_NUM_TIDS      16
0249 
0250 /* number of user priorities 802.11 uses */
0251 #define IEEE80211_NUM_UPS       8
0252 /* number of ACs */
0253 #define IEEE80211_NUM_ACS       4
0254 
0255 #define IEEE80211_QOS_CTL_LEN       2
0256 /* 1d tag mask */
0257 #define IEEE80211_QOS_CTL_TAG1D_MASK        0x0007
0258 /* TID mask */
0259 #define IEEE80211_QOS_CTL_TID_MASK      0x000f
0260 /* EOSP */
0261 #define IEEE80211_QOS_CTL_EOSP          0x0010
0262 /* ACK policy */
0263 #define IEEE80211_QOS_CTL_ACK_POLICY_NORMAL 0x0000
0264 #define IEEE80211_QOS_CTL_ACK_POLICY_NOACK  0x0020
0265 #define IEEE80211_QOS_CTL_ACK_POLICY_NO_EXPL    0x0040
0266 #define IEEE80211_QOS_CTL_ACK_POLICY_BLOCKACK   0x0060
0267 #define IEEE80211_QOS_CTL_ACK_POLICY_MASK   0x0060
0268 /* A-MSDU 802.11n */
0269 #define IEEE80211_QOS_CTL_A_MSDU_PRESENT    0x0080
0270 /* Mesh Control 802.11s */
0271 #define IEEE80211_QOS_CTL_MESH_CONTROL_PRESENT  0x0100
0272 
0273 /* Mesh Power Save Level */
0274 #define IEEE80211_QOS_CTL_MESH_PS_LEVEL     0x0200
0275 /* Mesh Receiver Service Period Initiated */
0276 #define IEEE80211_QOS_CTL_RSPI          0x0400
0277 
0278 /* U-APSD queue for WMM IEs sent by AP */
0279 #define IEEE80211_WMM_IE_AP_QOSINFO_UAPSD   (1<<7)
0280 #define IEEE80211_WMM_IE_AP_QOSINFO_PARAM_SET_CNT_MASK  0x0f
0281 
0282 /* U-APSD queues for WMM IEs sent by STA */
0283 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_VO  (1<<0)
0284 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_VI  (1<<1)
0285 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_BK  (1<<2)
0286 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_BE  (1<<3)
0287 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK    0x0f
0288 
0289 /* U-APSD max SP length for WMM IEs sent by STA */
0290 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL 0x00
0291 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_2   0x01
0292 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_4   0x02
0293 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_6   0x03
0294 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK    0x03
0295 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_SHIFT   5
0296 
0297 #define IEEE80211_HT_CTL_LEN        4
0298 
0299 /* trigger type within common_info of trigger frame */
0300 #define IEEE80211_TRIGGER_TYPE_MASK     0xf
0301 #define IEEE80211_TRIGGER_TYPE_BASIC        0x0
0302 #define IEEE80211_TRIGGER_TYPE_BFRP     0x1
0303 #define IEEE80211_TRIGGER_TYPE_MU_BAR       0x2
0304 #define IEEE80211_TRIGGER_TYPE_MU_RTS       0x3
0305 #define IEEE80211_TRIGGER_TYPE_BSRP     0x4
0306 #define IEEE80211_TRIGGER_TYPE_GCR_MU_BAR   0x5
0307 #define IEEE80211_TRIGGER_TYPE_BQRP     0x6
0308 #define IEEE80211_TRIGGER_TYPE_NFRP     0x7
0309 
0310 struct ieee80211_hdr {
0311     __le16 frame_control;
0312     __le16 duration_id;
0313     struct_group(addrs,
0314         u8 addr1[ETH_ALEN];
0315         u8 addr2[ETH_ALEN];
0316         u8 addr3[ETH_ALEN];
0317     );
0318     __le16 seq_ctrl;
0319     u8 addr4[ETH_ALEN];
0320 } __packed __aligned(2);
0321 
0322 struct ieee80211_hdr_3addr {
0323     __le16 frame_control;
0324     __le16 duration_id;
0325     u8 addr1[ETH_ALEN];
0326     u8 addr2[ETH_ALEN];
0327     u8 addr3[ETH_ALEN];
0328     __le16 seq_ctrl;
0329 } __packed __aligned(2);
0330 
0331 struct ieee80211_qos_hdr {
0332     __le16 frame_control;
0333     __le16 duration_id;
0334     u8 addr1[ETH_ALEN];
0335     u8 addr2[ETH_ALEN];
0336     u8 addr3[ETH_ALEN];
0337     __le16 seq_ctrl;
0338     __le16 qos_ctrl;
0339 } __packed __aligned(2);
0340 
0341 struct ieee80211_trigger {
0342     __le16 frame_control;
0343     __le16 duration;
0344     u8 ra[ETH_ALEN];
0345     u8 ta[ETH_ALEN];
0346     __le64 common_info;
0347     u8 variable[];
0348 } __packed __aligned(2);
0349 
0350 /**
0351  * ieee80211_has_tods - check if IEEE80211_FCTL_TODS is set
0352  * @fc: frame control bytes in little-endian byteorder
0353  */
0354 static inline bool ieee80211_has_tods(__le16 fc)
0355 {
0356     return (fc & cpu_to_le16(IEEE80211_FCTL_TODS)) != 0;
0357 }
0358 
0359 /**
0360  * ieee80211_has_fromds - check if IEEE80211_FCTL_FROMDS is set
0361  * @fc: frame control bytes in little-endian byteorder
0362  */
0363 static inline bool ieee80211_has_fromds(__le16 fc)
0364 {
0365     return (fc & cpu_to_le16(IEEE80211_FCTL_FROMDS)) != 0;
0366 }
0367 
0368 /**
0369  * ieee80211_has_a4 - check if IEEE80211_FCTL_TODS and IEEE80211_FCTL_FROMDS are set
0370  * @fc: frame control bytes in little-endian byteorder
0371  */
0372 static inline bool ieee80211_has_a4(__le16 fc)
0373 {
0374     __le16 tmp = cpu_to_le16(IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS);
0375     return (fc & tmp) == tmp;
0376 }
0377 
0378 /**
0379  * ieee80211_has_morefrags - check if IEEE80211_FCTL_MOREFRAGS is set
0380  * @fc: frame control bytes in little-endian byteorder
0381  */
0382 static inline bool ieee80211_has_morefrags(__le16 fc)
0383 {
0384     return (fc & cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) != 0;
0385 }
0386 
0387 /**
0388  * ieee80211_has_retry - check if IEEE80211_FCTL_RETRY is set
0389  * @fc: frame control bytes in little-endian byteorder
0390  */
0391 static inline bool ieee80211_has_retry(__le16 fc)
0392 {
0393     return (fc & cpu_to_le16(IEEE80211_FCTL_RETRY)) != 0;
0394 }
0395 
0396 /**
0397  * ieee80211_has_pm - check if IEEE80211_FCTL_PM is set
0398  * @fc: frame control bytes in little-endian byteorder
0399  */
0400 static inline bool ieee80211_has_pm(__le16 fc)
0401 {
0402     return (fc & cpu_to_le16(IEEE80211_FCTL_PM)) != 0;
0403 }
0404 
0405 /**
0406  * ieee80211_has_moredata - check if IEEE80211_FCTL_MOREDATA is set
0407  * @fc: frame control bytes in little-endian byteorder
0408  */
0409 static inline bool ieee80211_has_moredata(__le16 fc)
0410 {
0411     return (fc & cpu_to_le16(IEEE80211_FCTL_MOREDATA)) != 0;
0412 }
0413 
0414 /**
0415  * ieee80211_has_protected - check if IEEE80211_FCTL_PROTECTED is set
0416  * @fc: frame control bytes in little-endian byteorder
0417  */
0418 static inline bool ieee80211_has_protected(__le16 fc)
0419 {
0420     return (fc & cpu_to_le16(IEEE80211_FCTL_PROTECTED)) != 0;
0421 }
0422 
0423 /**
0424  * ieee80211_has_order - check if IEEE80211_FCTL_ORDER is set
0425  * @fc: frame control bytes in little-endian byteorder
0426  */
0427 static inline bool ieee80211_has_order(__le16 fc)
0428 {
0429     return (fc & cpu_to_le16(IEEE80211_FCTL_ORDER)) != 0;
0430 }
0431 
0432 /**
0433  * ieee80211_is_mgmt - check if type is IEEE80211_FTYPE_MGMT
0434  * @fc: frame control bytes in little-endian byteorder
0435  */
0436 static inline bool ieee80211_is_mgmt(__le16 fc)
0437 {
0438     return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
0439            cpu_to_le16(IEEE80211_FTYPE_MGMT);
0440 }
0441 
0442 /**
0443  * ieee80211_is_ctl - check if type is IEEE80211_FTYPE_CTL
0444  * @fc: frame control bytes in little-endian byteorder
0445  */
0446 static inline bool ieee80211_is_ctl(__le16 fc)
0447 {
0448     return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
0449            cpu_to_le16(IEEE80211_FTYPE_CTL);
0450 }
0451 
0452 /**
0453  * ieee80211_is_data - check if type is IEEE80211_FTYPE_DATA
0454  * @fc: frame control bytes in little-endian byteorder
0455  */
0456 static inline bool ieee80211_is_data(__le16 fc)
0457 {
0458     return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
0459            cpu_to_le16(IEEE80211_FTYPE_DATA);
0460 }
0461 
0462 /**
0463  * ieee80211_is_ext - check if type is IEEE80211_FTYPE_EXT
0464  * @fc: frame control bytes in little-endian byteorder
0465  */
0466 static inline bool ieee80211_is_ext(__le16 fc)
0467 {
0468     return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
0469            cpu_to_le16(IEEE80211_FTYPE_EXT);
0470 }
0471 
0472 
0473 /**
0474  * ieee80211_is_data_qos - check if type is IEEE80211_FTYPE_DATA and IEEE80211_STYPE_QOS_DATA is set
0475  * @fc: frame control bytes in little-endian byteorder
0476  */
0477 static inline bool ieee80211_is_data_qos(__le16 fc)
0478 {
0479     /*
0480      * mask with QOS_DATA rather than IEEE80211_FCTL_STYPE as we just need
0481      * to check the one bit
0482      */
0483     return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_STYPE_QOS_DATA)) ==
0484            cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_DATA);
0485 }
0486 
0487 /**
0488  * ieee80211_is_data_present - check if type is IEEE80211_FTYPE_DATA and has data
0489  * @fc: frame control bytes in little-endian byteorder
0490  */
0491 static inline bool ieee80211_is_data_present(__le16 fc)
0492 {
0493     /*
0494      * mask with 0x40 and test that that bit is clear to only return true
0495      * for the data-containing substypes.
0496      */
0497     return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | 0x40)) ==
0498            cpu_to_le16(IEEE80211_FTYPE_DATA);
0499 }
0500 
0501 /**
0502  * ieee80211_is_assoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_REQ
0503  * @fc: frame control bytes in little-endian byteorder
0504  */
0505 static inline bool ieee80211_is_assoc_req(__le16 fc)
0506 {
0507     return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
0508            cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_REQ);
0509 }
0510 
0511 /**
0512  * ieee80211_is_assoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_RESP
0513  * @fc: frame control bytes in little-endian byteorder
0514  */
0515 static inline bool ieee80211_is_assoc_resp(__le16 fc)
0516 {
0517     return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
0518            cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_RESP);
0519 }
0520 
0521 /**
0522  * ieee80211_is_reassoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_REQ
0523  * @fc: frame control bytes in little-endian byteorder
0524  */
0525 static inline bool ieee80211_is_reassoc_req(__le16 fc)
0526 {
0527     return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
0528            cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_REQ);
0529 }
0530 
0531 /**
0532  * ieee80211_is_reassoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_RESP
0533  * @fc: frame control bytes in little-endian byteorder
0534  */
0535 static inline bool ieee80211_is_reassoc_resp(__le16 fc)
0536 {
0537     return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
0538            cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_RESP);
0539 }
0540 
0541 /**
0542  * ieee80211_is_probe_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_REQ
0543  * @fc: frame control bytes in little-endian byteorder
0544  */
0545 static inline bool ieee80211_is_probe_req(__le16 fc)
0546 {
0547     return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
0548            cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ);
0549 }
0550 
0551 /**
0552  * ieee80211_is_probe_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_RESP
0553  * @fc: frame control bytes in little-endian byteorder
0554  */
0555 static inline bool ieee80211_is_probe_resp(__le16 fc)
0556 {
0557     return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
0558            cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_RESP);
0559 }
0560 
0561 /**
0562  * ieee80211_is_beacon - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_BEACON
0563  * @fc: frame control bytes in little-endian byteorder
0564  */
0565 static inline bool ieee80211_is_beacon(__le16 fc)
0566 {
0567     return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
0568            cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_BEACON);
0569 }
0570 
0571 /**
0572  * ieee80211_is_s1g_beacon - check if IEEE80211_FTYPE_EXT &&
0573  * IEEE80211_STYPE_S1G_BEACON
0574  * @fc: frame control bytes in little-endian byteorder
0575  */
0576 static inline bool ieee80211_is_s1g_beacon(__le16 fc)
0577 {
0578     return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE |
0579                  IEEE80211_FCTL_STYPE)) ==
0580            cpu_to_le16(IEEE80211_FTYPE_EXT | IEEE80211_STYPE_S1G_BEACON);
0581 }
0582 
0583 /**
0584  * ieee80211_next_tbtt_present - check if IEEE80211_FTYPE_EXT &&
0585  * IEEE80211_STYPE_S1G_BEACON && IEEE80211_S1G_BCN_NEXT_TBTT
0586  * @fc: frame control bytes in little-endian byteorder
0587  */
0588 static inline bool ieee80211_next_tbtt_present(__le16 fc)
0589 {
0590     return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
0591            cpu_to_le16(IEEE80211_FTYPE_EXT | IEEE80211_STYPE_S1G_BEACON) &&
0592            fc & cpu_to_le16(IEEE80211_S1G_BCN_NEXT_TBTT);
0593 }
0594 
0595 /**
0596  * ieee80211_is_s1g_short_beacon - check if next tbtt present bit is set. Only
0597  * true for S1G beacons when they're short.
0598  * @fc: frame control bytes in little-endian byteorder
0599  */
0600 static inline bool ieee80211_is_s1g_short_beacon(__le16 fc)
0601 {
0602     return ieee80211_is_s1g_beacon(fc) && ieee80211_next_tbtt_present(fc);
0603 }
0604 
0605 /**
0606  * ieee80211_is_atim - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ATIM
0607  * @fc: frame control bytes in little-endian byteorder
0608  */
0609 static inline bool ieee80211_is_atim(__le16 fc)
0610 {
0611     return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
0612            cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ATIM);
0613 }
0614 
0615 /**
0616  * ieee80211_is_disassoc - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DISASSOC
0617  * @fc: frame control bytes in little-endian byteorder
0618  */
0619 static inline bool ieee80211_is_disassoc(__le16 fc)
0620 {
0621     return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
0622            cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DISASSOC);
0623 }
0624 
0625 /**
0626  * ieee80211_is_auth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_AUTH
0627  * @fc: frame control bytes in little-endian byteorder
0628  */
0629 static inline bool ieee80211_is_auth(__le16 fc)
0630 {
0631     return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
0632            cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_AUTH);
0633 }
0634 
0635 /**
0636  * ieee80211_is_deauth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DEAUTH
0637  * @fc: frame control bytes in little-endian byteorder
0638  */
0639 static inline bool ieee80211_is_deauth(__le16 fc)
0640 {
0641     return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
0642            cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DEAUTH);
0643 }
0644 
0645 /**
0646  * ieee80211_is_action - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ACTION
0647  * @fc: frame control bytes in little-endian byteorder
0648  */
0649 static inline bool ieee80211_is_action(__le16 fc)
0650 {
0651     return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
0652            cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION);
0653 }
0654 
0655 /**
0656  * ieee80211_is_back_req - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK_REQ
0657  * @fc: frame control bytes in little-endian byteorder
0658  */
0659 static inline bool ieee80211_is_back_req(__le16 fc)
0660 {
0661     return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
0662            cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK_REQ);
0663 }
0664 
0665 /**
0666  * ieee80211_is_back - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK
0667  * @fc: frame control bytes in little-endian byteorder
0668  */
0669 static inline bool ieee80211_is_back(__le16 fc)
0670 {
0671     return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
0672            cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK);
0673 }
0674 
0675 /**
0676  * ieee80211_is_pspoll - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_PSPOLL
0677  * @fc: frame control bytes in little-endian byteorder
0678  */
0679 static inline bool ieee80211_is_pspoll(__le16 fc)
0680 {
0681     return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
0682            cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_PSPOLL);
0683 }
0684 
0685 /**
0686  * ieee80211_is_rts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_RTS
0687  * @fc: frame control bytes in little-endian byteorder
0688  */
0689 static inline bool ieee80211_is_rts(__le16 fc)
0690 {
0691     return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
0692            cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_RTS);
0693 }
0694 
0695 /**
0696  * ieee80211_is_cts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CTS
0697  * @fc: frame control bytes in little-endian byteorder
0698  */
0699 static inline bool ieee80211_is_cts(__le16 fc)
0700 {
0701     return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
0702            cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTS);
0703 }
0704 
0705 /**
0706  * ieee80211_is_ack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_ACK
0707  * @fc: frame control bytes in little-endian byteorder
0708  */
0709 static inline bool ieee80211_is_ack(__le16 fc)
0710 {
0711     return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
0712            cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_ACK);
0713 }
0714 
0715 /**
0716  * ieee80211_is_cfend - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFEND
0717  * @fc: frame control bytes in little-endian byteorder
0718  */
0719 static inline bool ieee80211_is_cfend(__le16 fc)
0720 {
0721     return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
0722            cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFEND);
0723 }
0724 
0725 /**
0726  * ieee80211_is_cfendack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFENDACK
0727  * @fc: frame control bytes in little-endian byteorder
0728  */
0729 static inline bool ieee80211_is_cfendack(__le16 fc)
0730 {
0731     return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
0732            cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFENDACK);
0733 }
0734 
0735 /**
0736  * ieee80211_is_nullfunc - check if frame is a regular (non-QoS) nullfunc frame
0737  * @fc: frame control bytes in little-endian byteorder
0738  */
0739 static inline bool ieee80211_is_nullfunc(__le16 fc)
0740 {
0741     return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
0742            cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_NULLFUNC);
0743 }
0744 
0745 /**
0746  * ieee80211_is_qos_nullfunc - check if frame is a QoS nullfunc frame
0747  * @fc: frame control bytes in little-endian byteorder
0748  */
0749 static inline bool ieee80211_is_qos_nullfunc(__le16 fc)
0750 {
0751     return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
0752            cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_NULLFUNC);
0753 }
0754 
0755 /**
0756  * ieee80211_is_trigger - check if frame is trigger frame
0757  * @fc: frame control field in little-endian byteorder
0758  */
0759 static inline bool ieee80211_is_trigger(__le16 fc)
0760 {
0761     return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
0762            cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_TRIGGER);
0763 }
0764 
0765 /**
0766  * ieee80211_is_any_nullfunc - check if frame is regular or QoS nullfunc frame
0767  * @fc: frame control bytes in little-endian byteorder
0768  */
0769 static inline bool ieee80211_is_any_nullfunc(__le16 fc)
0770 {
0771     return (ieee80211_is_nullfunc(fc) || ieee80211_is_qos_nullfunc(fc));
0772 }
0773 
0774 /**
0775  * ieee80211_is_bufferable_mmpdu - check if frame is bufferable MMPDU
0776  * @fc: frame control field in little-endian byteorder
0777  */
0778 static inline bool ieee80211_is_bufferable_mmpdu(__le16 fc)
0779 {
0780     /* IEEE 802.11-2012, definition of "bufferable management frame";
0781      * note that this ignores the IBSS special case. */
0782     return ieee80211_is_mgmt(fc) &&
0783            (ieee80211_is_action(fc) ||
0784         ieee80211_is_disassoc(fc) ||
0785         ieee80211_is_deauth(fc));
0786 }
0787 
0788 /**
0789  * ieee80211_is_first_frag - check if IEEE80211_SCTL_FRAG is not set
0790  * @seq_ctrl: frame sequence control bytes in little-endian byteorder
0791  */
0792 static inline bool ieee80211_is_first_frag(__le16 seq_ctrl)
0793 {
0794     return (seq_ctrl & cpu_to_le16(IEEE80211_SCTL_FRAG)) == 0;
0795 }
0796 
0797 /**
0798  * ieee80211_is_frag - check if a frame is a fragment
0799  * @hdr: 802.11 header of the frame
0800  */
0801 static inline bool ieee80211_is_frag(struct ieee80211_hdr *hdr)
0802 {
0803     return ieee80211_has_morefrags(hdr->frame_control) ||
0804            hdr->seq_ctrl & cpu_to_le16(IEEE80211_SCTL_FRAG);
0805 }
0806 
0807 struct ieee80211s_hdr {
0808     u8 flags;
0809     u8 ttl;
0810     __le32 seqnum;
0811     u8 eaddr1[ETH_ALEN];
0812     u8 eaddr2[ETH_ALEN];
0813 } __packed __aligned(2);
0814 
0815 /* Mesh flags */
0816 #define MESH_FLAGS_AE_A4    0x1
0817 #define MESH_FLAGS_AE_A5_A6 0x2
0818 #define MESH_FLAGS_AE       0x3
0819 #define MESH_FLAGS_PS_DEEP  0x4
0820 
0821 /**
0822  * enum ieee80211_preq_flags - mesh PREQ element flags
0823  *
0824  * @IEEE80211_PREQ_PROACTIVE_PREP_FLAG: proactive PREP subfield
0825  */
0826 enum ieee80211_preq_flags {
0827     IEEE80211_PREQ_PROACTIVE_PREP_FLAG  = 1<<2,
0828 };
0829 
0830 /**
0831  * enum ieee80211_preq_target_flags - mesh PREQ element per target flags
0832  *
0833  * @IEEE80211_PREQ_TO_FLAG: target only subfield
0834  * @IEEE80211_PREQ_USN_FLAG: unknown target HWMP sequence number subfield
0835  */
0836 enum ieee80211_preq_target_flags {
0837     IEEE80211_PREQ_TO_FLAG  = 1<<0,
0838     IEEE80211_PREQ_USN_FLAG = 1<<2,
0839 };
0840 
0841 /**
0842  * struct ieee80211_quiet_ie
0843  *
0844  * This structure refers to "Quiet information element"
0845  */
0846 struct ieee80211_quiet_ie {
0847     u8 count;
0848     u8 period;
0849     __le16 duration;
0850     __le16 offset;
0851 } __packed;
0852 
0853 /**
0854  * struct ieee80211_msrment_ie
0855  *
0856  * This structure refers to "Measurement Request/Report information element"
0857  */
0858 struct ieee80211_msrment_ie {
0859     u8 token;
0860     u8 mode;
0861     u8 type;
0862     u8 request[];
0863 } __packed;
0864 
0865 /**
0866  * struct ieee80211_channel_sw_ie
0867  *
0868  * This structure refers to "Channel Switch Announcement information element"
0869  */
0870 struct ieee80211_channel_sw_ie {
0871     u8 mode;
0872     u8 new_ch_num;
0873     u8 count;
0874 } __packed;
0875 
0876 /**
0877  * struct ieee80211_ext_chansw_ie
0878  *
0879  * This structure represents the "Extended Channel Switch Announcement element"
0880  */
0881 struct ieee80211_ext_chansw_ie {
0882     u8 mode;
0883     u8 new_operating_class;
0884     u8 new_ch_num;
0885     u8 count;
0886 } __packed;
0887 
0888 /**
0889  * struct ieee80211_sec_chan_offs_ie - secondary channel offset IE
0890  * @sec_chan_offs: secondary channel offset, uses IEEE80211_HT_PARAM_CHA_SEC_*
0891  *  values here
0892  * This structure represents the "Secondary Channel Offset element"
0893  */
0894 struct ieee80211_sec_chan_offs_ie {
0895     u8 sec_chan_offs;
0896 } __packed;
0897 
0898 /**
0899  * struct ieee80211_mesh_chansw_params_ie - mesh channel switch parameters IE
0900  *
0901  * This structure represents the "Mesh Channel Switch Paramters element"
0902  */
0903 struct ieee80211_mesh_chansw_params_ie {
0904     u8 mesh_ttl;
0905     u8 mesh_flags;
0906     __le16 mesh_reason;
0907     __le16 mesh_pre_value;
0908 } __packed;
0909 
0910 /**
0911  * struct ieee80211_wide_bw_chansw_ie - wide bandwidth channel switch IE
0912  */
0913 struct ieee80211_wide_bw_chansw_ie {
0914     u8 new_channel_width;
0915     u8 new_center_freq_seg0, new_center_freq_seg1;
0916 } __packed;
0917 
0918 /**
0919  * struct ieee80211_tim
0920  *
0921  * This structure refers to "Traffic Indication Map information element"
0922  */
0923 struct ieee80211_tim_ie {
0924     u8 dtim_count;
0925     u8 dtim_period;
0926     u8 bitmap_ctrl;
0927     /* variable size: 1 - 251 bytes */
0928     u8 virtual_map[1];
0929 } __packed;
0930 
0931 /**
0932  * struct ieee80211_meshconf_ie
0933  *
0934  * This structure refers to "Mesh Configuration information element"
0935  */
0936 struct ieee80211_meshconf_ie {
0937     u8 meshconf_psel;
0938     u8 meshconf_pmetric;
0939     u8 meshconf_congest;
0940     u8 meshconf_synch;
0941     u8 meshconf_auth;
0942     u8 meshconf_form;
0943     u8 meshconf_cap;
0944 } __packed;
0945 
0946 /**
0947  * enum mesh_config_capab_flags - Mesh Configuration IE capability field flags
0948  *
0949  * @IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS: STA is willing to establish
0950  *  additional mesh peerings with other mesh STAs
0951  * @IEEE80211_MESHCONF_CAPAB_FORWARDING: the STA forwards MSDUs
0952  * @IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING: TBTT adjustment procedure
0953  *  is ongoing
0954  * @IEEE80211_MESHCONF_CAPAB_POWER_SAVE_LEVEL: STA is in deep sleep mode or has
0955  *  neighbors in deep sleep mode
0956  */
0957 enum mesh_config_capab_flags {
0958     IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS      = 0x01,
0959     IEEE80211_MESHCONF_CAPAB_FORWARDING     = 0x08,
0960     IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING     = 0x20,
0961     IEEE80211_MESHCONF_CAPAB_POWER_SAVE_LEVEL   = 0x40,
0962 };
0963 
0964 #define IEEE80211_MESHCONF_FORM_CONNECTED_TO_GATE 0x1
0965 
0966 /**
0967  * mesh channel switch parameters element's flag indicator
0968  *
0969  */
0970 #define WLAN_EID_CHAN_SWITCH_PARAM_TX_RESTRICT BIT(0)
0971 #define WLAN_EID_CHAN_SWITCH_PARAM_INITIATOR BIT(1)
0972 #define WLAN_EID_CHAN_SWITCH_PARAM_REASON BIT(2)
0973 
0974 /**
0975  * struct ieee80211_rann_ie
0976  *
0977  * This structure refers to "Root Announcement information element"
0978  */
0979 struct ieee80211_rann_ie {
0980     u8 rann_flags;
0981     u8 rann_hopcount;
0982     u8 rann_ttl;
0983     u8 rann_addr[ETH_ALEN];
0984     __le32 rann_seq;
0985     __le32 rann_interval;
0986     __le32 rann_metric;
0987 } __packed;
0988 
0989 enum ieee80211_rann_flags {
0990     RANN_FLAG_IS_GATE = 1 << 0,
0991 };
0992 
0993 enum ieee80211_ht_chanwidth_values {
0994     IEEE80211_HT_CHANWIDTH_20MHZ = 0,
0995     IEEE80211_HT_CHANWIDTH_ANY = 1,
0996 };
0997 
0998 /**
0999  * enum ieee80211_opmode_bits - VHT operating mode field bits
1000  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK: channel width mask
1001  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ: 20 MHz channel width
1002  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_40MHZ: 40 MHz channel width
1003  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_80MHZ: 80 MHz channel width
1004  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_160MHZ: 160 MHz or 80+80 MHz channel width
1005  * @IEEE80211_OPMODE_NOTIF_BW_160_80P80: 160 / 80+80 MHz indicator flag
1006  * @IEEE80211_OPMODE_NOTIF_RX_NSS_MASK: number of spatial streams mask
1007  *  (the NSS value is the value of this field + 1)
1008  * @IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT: number of spatial streams shift
1009  * @IEEE80211_OPMODE_NOTIF_RX_NSS_TYPE_BF: indicates streams in SU-MIMO PPDU
1010  *  using a beamforming steering matrix
1011  */
1012 enum ieee80211_vht_opmode_bits {
1013     IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK   = 0x03,
1014     IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ  = 0,
1015     IEEE80211_OPMODE_NOTIF_CHANWIDTH_40MHZ  = 1,
1016     IEEE80211_OPMODE_NOTIF_CHANWIDTH_80MHZ  = 2,
1017     IEEE80211_OPMODE_NOTIF_CHANWIDTH_160MHZ = 3,
1018     IEEE80211_OPMODE_NOTIF_BW_160_80P80 = 0x04,
1019     IEEE80211_OPMODE_NOTIF_RX_NSS_MASK  = 0x70,
1020     IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT = 4,
1021     IEEE80211_OPMODE_NOTIF_RX_NSS_TYPE_BF   = 0x80,
1022 };
1023 
1024 /**
1025  * enum ieee80211_s1g_chanwidth
1026  * These are defined in IEEE802.11-2016ah Table 10-20
1027  * as BSS Channel Width
1028  *
1029  * @IEEE80211_S1G_CHANWIDTH_1MHZ: 1MHz operating channel
1030  * @IEEE80211_S1G_CHANWIDTH_2MHZ: 2MHz operating channel
1031  * @IEEE80211_S1G_CHANWIDTH_4MHZ: 4MHz operating channel
1032  * @IEEE80211_S1G_CHANWIDTH_8MHZ: 8MHz operating channel
1033  * @IEEE80211_S1G_CHANWIDTH_16MHZ: 16MHz operating channel
1034  */
1035 enum ieee80211_s1g_chanwidth {
1036     IEEE80211_S1G_CHANWIDTH_1MHZ = 0,
1037     IEEE80211_S1G_CHANWIDTH_2MHZ = 1,
1038     IEEE80211_S1G_CHANWIDTH_4MHZ = 3,
1039     IEEE80211_S1G_CHANWIDTH_8MHZ = 7,
1040     IEEE80211_S1G_CHANWIDTH_16MHZ = 15,
1041 };
1042 
1043 #define WLAN_SA_QUERY_TR_ID_LEN 2
1044 #define WLAN_MEMBERSHIP_LEN 8
1045 #define WLAN_USER_POSITION_LEN 16
1046 
1047 /**
1048  * struct ieee80211_tpc_report_ie
1049  *
1050  * This structure refers to "TPC Report element"
1051  */
1052 struct ieee80211_tpc_report_ie {
1053     u8 tx_power;
1054     u8 link_margin;
1055 } __packed;
1056 
1057 #define IEEE80211_ADDBA_EXT_FRAG_LEVEL_MASK GENMASK(2, 1)
1058 #define IEEE80211_ADDBA_EXT_FRAG_LEVEL_SHIFT    1
1059 #define IEEE80211_ADDBA_EXT_NO_FRAG     BIT(0)
1060 #define IEEE80211_ADDBA_EXT_BUF_SIZE_MASK   GENMASK(7, 5)
1061 #define IEEE80211_ADDBA_EXT_BUF_SIZE_SHIFT  10
1062 
1063 struct ieee80211_addba_ext_ie {
1064     u8 data;
1065 } __packed;
1066 
1067 /**
1068  * struct ieee80211_s1g_bcn_compat_ie
1069  *
1070  * S1G Beacon Compatibility element
1071  */
1072 struct ieee80211_s1g_bcn_compat_ie {
1073     __le16 compat_info;
1074     __le16 beacon_int;
1075     __le32 tsf_completion;
1076 } __packed;
1077 
1078 /**
1079  * struct ieee80211_s1g_oper_ie
1080  *
1081  * S1G Operation element
1082  */
1083 struct ieee80211_s1g_oper_ie {
1084     u8 ch_width;
1085     u8 oper_class;
1086     u8 primary_ch;
1087     u8 oper_ch;
1088     __le16 basic_mcs_nss;
1089 } __packed;
1090 
1091 /**
1092  * struct ieee80211_aid_response_ie
1093  *
1094  * AID Response element
1095  */
1096 struct ieee80211_aid_response_ie {
1097     __le16 aid;
1098     u8 switch_count;
1099     __le16 response_int;
1100 } __packed;
1101 
1102 struct ieee80211_s1g_cap {
1103     u8 capab_info[10];
1104     u8 supp_mcs_nss[5];
1105 } __packed;
1106 
1107 struct ieee80211_ext {
1108     __le16 frame_control;
1109     __le16 duration;
1110     union {
1111         struct {
1112             u8 sa[ETH_ALEN];
1113             __le32 timestamp;
1114             u8 change_seq;
1115             u8 variable[0];
1116         } __packed s1g_beacon;
1117         struct {
1118             u8 sa[ETH_ALEN];
1119             __le32 timestamp;
1120             u8 change_seq;
1121             u8 next_tbtt[3];
1122             u8 variable[0];
1123         } __packed s1g_short_beacon;
1124     } u;
1125 } __packed __aligned(2);
1126 
1127 #define IEEE80211_TWT_CONTROL_NDP           BIT(0)
1128 #define IEEE80211_TWT_CONTROL_RESP_MODE         BIT(1)
1129 #define IEEE80211_TWT_CONTROL_NEG_TYPE_BROADCAST    BIT(3)
1130 #define IEEE80211_TWT_CONTROL_RX_DISABLED       BIT(4)
1131 #define IEEE80211_TWT_CONTROL_WAKE_DUR_UNIT     BIT(5)
1132 
1133 #define IEEE80211_TWT_REQTYPE_REQUEST           BIT(0)
1134 #define IEEE80211_TWT_REQTYPE_SETUP_CMD         GENMASK(3, 1)
1135 #define IEEE80211_TWT_REQTYPE_TRIGGER           BIT(4)
1136 #define IEEE80211_TWT_REQTYPE_IMPLICIT          BIT(5)
1137 #define IEEE80211_TWT_REQTYPE_FLOWTYPE          BIT(6)
1138 #define IEEE80211_TWT_REQTYPE_FLOWID            GENMASK(9, 7)
1139 #define IEEE80211_TWT_REQTYPE_WAKE_INT_EXP      GENMASK(14, 10)
1140 #define IEEE80211_TWT_REQTYPE_PROTECTION        BIT(15)
1141 
1142 enum ieee80211_twt_setup_cmd {
1143     TWT_SETUP_CMD_REQUEST,
1144     TWT_SETUP_CMD_SUGGEST,
1145     TWT_SETUP_CMD_DEMAND,
1146     TWT_SETUP_CMD_GROUPING,
1147     TWT_SETUP_CMD_ACCEPT,
1148     TWT_SETUP_CMD_ALTERNATE,
1149     TWT_SETUP_CMD_DICTATE,
1150     TWT_SETUP_CMD_REJECT,
1151 };
1152 
1153 struct ieee80211_twt_params {
1154     __le16 req_type;
1155     __le64 twt;
1156     u8 min_twt_dur;
1157     __le16 mantissa;
1158     u8 channel;
1159 } __packed;
1160 
1161 struct ieee80211_twt_setup {
1162     u8 dialog_token;
1163     u8 element_id;
1164     u8 length;
1165     u8 control;
1166     u8 params[];
1167 } __packed;
1168 
1169 struct ieee80211_mgmt {
1170     __le16 frame_control;
1171     __le16 duration;
1172     u8 da[ETH_ALEN];
1173     u8 sa[ETH_ALEN];
1174     u8 bssid[ETH_ALEN];
1175     __le16 seq_ctrl;
1176     union {
1177         struct {
1178             __le16 auth_alg;
1179             __le16 auth_transaction;
1180             __le16 status_code;
1181             /* possibly followed by Challenge text */
1182             u8 variable[];
1183         } __packed auth;
1184         struct {
1185             __le16 reason_code;
1186         } __packed deauth;
1187         struct {
1188             __le16 capab_info;
1189             __le16 listen_interval;
1190             /* followed by SSID and Supported rates */
1191             u8 variable[];
1192         } __packed assoc_req;
1193         struct {
1194             __le16 capab_info;
1195             __le16 status_code;
1196             __le16 aid;
1197             /* followed by Supported rates */
1198             u8 variable[];
1199         } __packed assoc_resp, reassoc_resp;
1200         struct {
1201             __le16 capab_info;
1202             __le16 status_code;
1203             u8 variable[];
1204         } __packed s1g_assoc_resp, s1g_reassoc_resp;
1205         struct {
1206             __le16 capab_info;
1207             __le16 listen_interval;
1208             u8 current_ap[ETH_ALEN];
1209             /* followed by SSID and Supported rates */
1210             u8 variable[];
1211         } __packed reassoc_req;
1212         struct {
1213             __le16 reason_code;
1214         } __packed disassoc;
1215         struct {
1216             __le64 timestamp;
1217             __le16 beacon_int;
1218             __le16 capab_info;
1219             /* followed by some of SSID, Supported rates,
1220              * FH Params, DS Params, CF Params, IBSS Params, TIM */
1221             u8 variable[];
1222         } __packed beacon;
1223         struct {
1224             /* only variable items: SSID, Supported rates */
1225             DECLARE_FLEX_ARRAY(u8, variable);
1226         } __packed probe_req;
1227         struct {
1228             __le64 timestamp;
1229             __le16 beacon_int;
1230             __le16 capab_info;
1231             /* followed by some of SSID, Supported rates,
1232              * FH Params, DS Params, CF Params, IBSS Params */
1233             u8 variable[];
1234         } __packed probe_resp;
1235         struct {
1236             u8 category;
1237             union {
1238                 struct {
1239                     u8 action_code;
1240                     u8 dialog_token;
1241                     u8 status_code;
1242                     u8 variable[];
1243                 } __packed wme_action;
1244                 struct{
1245                     u8 action_code;
1246                     u8 variable[];
1247                 } __packed chan_switch;
1248                 struct{
1249                     u8 action_code;
1250                     struct ieee80211_ext_chansw_ie data;
1251                     u8 variable[];
1252                 } __packed ext_chan_switch;
1253                 struct{
1254                     u8 action_code;
1255                     u8 dialog_token;
1256                     u8 element_id;
1257                     u8 length;
1258                     struct ieee80211_msrment_ie msr_elem;
1259                 } __packed measurement;
1260                 struct{
1261                     u8 action_code;
1262                     u8 dialog_token;
1263                     __le16 capab;
1264                     __le16 timeout;
1265                     __le16 start_seq_num;
1266                     /* followed by BA Extension */
1267                     u8 variable[];
1268                 } __packed addba_req;
1269                 struct{
1270                     u8 action_code;
1271                     u8 dialog_token;
1272                     __le16 status;
1273                     __le16 capab;
1274                     __le16 timeout;
1275                 } __packed addba_resp;
1276                 struct{
1277                     u8 action_code;
1278                     __le16 params;
1279                     __le16 reason_code;
1280                 } __packed delba;
1281                 struct {
1282                     u8 action_code;
1283                     u8 variable[];
1284                 } __packed self_prot;
1285                 struct{
1286                     u8 action_code;
1287                     u8 variable[];
1288                 } __packed mesh_action;
1289                 struct {
1290                     u8 action;
1291                     u8 trans_id[WLAN_SA_QUERY_TR_ID_LEN];
1292                 } __packed sa_query;
1293                 struct {
1294                     u8 action;
1295                     u8 smps_control;
1296                 } __packed ht_smps;
1297                 struct {
1298                     u8 action_code;
1299                     u8 chanwidth;
1300                 } __packed ht_notify_cw;
1301                 struct {
1302                     u8 action_code;
1303                     u8 dialog_token;
1304                     __le16 capability;
1305                     u8 variable[0];
1306                 } __packed tdls_discover_resp;
1307                 struct {
1308                     u8 action_code;
1309                     u8 operating_mode;
1310                 } __packed vht_opmode_notif;
1311                 struct {
1312                     u8 action_code;
1313                     u8 membership[WLAN_MEMBERSHIP_LEN];
1314                     u8 position[WLAN_USER_POSITION_LEN];
1315                 } __packed vht_group_notif;
1316                 struct {
1317                     u8 action_code;
1318                     u8 dialog_token;
1319                     u8 tpc_elem_id;
1320                     u8 tpc_elem_length;
1321                     struct ieee80211_tpc_report_ie tpc;
1322                 } __packed tpc_report;
1323                 struct {
1324                     u8 action_code;
1325                     u8 dialog_token;
1326                     u8 follow_up;
1327                     u8 tod[6];
1328                     u8 toa[6];
1329                     __le16 tod_error;
1330                     __le16 toa_error;
1331                     u8 variable[];
1332                 } __packed ftm;
1333                 struct {
1334                     u8 action_code;
1335                     u8 variable[];
1336                 } __packed s1g;
1337                 struct {
1338                     u8 action_code;
1339                     u8 dialog_token;
1340                     u8 follow_up;
1341                     u32 tod;
1342                     u32 toa;
1343                     u8 max_tod_error;
1344                     u8 max_toa_error;
1345                 } __packed wnm_timing_msr;
1346             } u;
1347         } __packed action;
1348     } u;
1349 } __packed __aligned(2);
1350 
1351 /* Supported rates membership selectors */
1352 #define BSS_MEMBERSHIP_SELECTOR_HT_PHY  127
1353 #define BSS_MEMBERSHIP_SELECTOR_VHT_PHY 126
1354 #define BSS_MEMBERSHIP_SELECTOR_HE_PHY  122
1355 #define BSS_MEMBERSHIP_SELECTOR_SAE_H2E 123
1356 
1357 /* mgmt header + 1 byte category code */
1358 #define IEEE80211_MIN_ACTION_SIZE offsetof(struct ieee80211_mgmt, u.action.u)
1359 
1360 
1361 /* Management MIC information element (IEEE 802.11w) */
1362 struct ieee80211_mmie {
1363     u8 element_id;
1364     u8 length;
1365     __le16 key_id;
1366     u8 sequence_number[6];
1367     u8 mic[8];
1368 } __packed;
1369 
1370 /* Management MIC information element (IEEE 802.11w) for GMAC and CMAC-256 */
1371 struct ieee80211_mmie_16 {
1372     u8 element_id;
1373     u8 length;
1374     __le16 key_id;
1375     u8 sequence_number[6];
1376     u8 mic[16];
1377 } __packed;
1378 
1379 struct ieee80211_vendor_ie {
1380     u8 element_id;
1381     u8 len;
1382     u8 oui[3];
1383     u8 oui_type;
1384 } __packed;
1385 
1386 struct ieee80211_wmm_ac_param {
1387     u8 aci_aifsn; /* AIFSN, ACM, ACI */
1388     u8 cw; /* ECWmin, ECWmax (CW = 2^ECW - 1) */
1389     __le16 txop_limit;
1390 } __packed;
1391 
1392 struct ieee80211_wmm_param_ie {
1393     u8 element_id; /* Element ID: 221 (0xdd); */
1394     u8 len; /* Length: 24 */
1395     /* required fields for WMM version 1 */
1396     u8 oui[3]; /* 00:50:f2 */
1397     u8 oui_type; /* 2 */
1398     u8 oui_subtype; /* 1 */
1399     u8 version; /* 1 for WMM version 1.0 */
1400     u8 qos_info; /* AP/STA specific QoS info */
1401     u8 reserved; /* 0 */
1402     /* AC_BE, AC_BK, AC_VI, AC_VO */
1403     struct ieee80211_wmm_ac_param ac[4];
1404 } __packed;
1405 
1406 /* Control frames */
1407 struct ieee80211_rts {
1408     __le16 frame_control;
1409     __le16 duration;
1410     u8 ra[ETH_ALEN];
1411     u8 ta[ETH_ALEN];
1412 } __packed __aligned(2);
1413 
1414 struct ieee80211_cts {
1415     __le16 frame_control;
1416     __le16 duration;
1417     u8 ra[ETH_ALEN];
1418 } __packed __aligned(2);
1419 
1420 struct ieee80211_pspoll {
1421     __le16 frame_control;
1422     __le16 aid;
1423     u8 bssid[ETH_ALEN];
1424     u8 ta[ETH_ALEN];
1425 } __packed __aligned(2);
1426 
1427 /* TDLS */
1428 
1429 /* Channel switch timing */
1430 struct ieee80211_ch_switch_timing {
1431     __le16 switch_time;
1432     __le16 switch_timeout;
1433 } __packed;
1434 
1435 /* Link-id information element */
1436 struct ieee80211_tdls_lnkie {
1437     u8 ie_type; /* Link Identifier IE */
1438     u8 ie_len;
1439     u8 bssid[ETH_ALEN];
1440     u8 init_sta[ETH_ALEN];
1441     u8 resp_sta[ETH_ALEN];
1442 } __packed;
1443 
1444 struct ieee80211_tdls_data {
1445     u8 da[ETH_ALEN];
1446     u8 sa[ETH_ALEN];
1447     __be16 ether_type;
1448     u8 payload_type;
1449     u8 category;
1450     u8 action_code;
1451     union {
1452         struct {
1453             u8 dialog_token;
1454             __le16 capability;
1455             u8 variable[0];
1456         } __packed setup_req;
1457         struct {
1458             __le16 status_code;
1459             u8 dialog_token;
1460             __le16 capability;
1461             u8 variable[0];
1462         } __packed setup_resp;
1463         struct {
1464             __le16 status_code;
1465             u8 dialog_token;
1466             u8 variable[0];
1467         } __packed setup_cfm;
1468         struct {
1469             __le16 reason_code;
1470             u8 variable[0];
1471         } __packed teardown;
1472         struct {
1473             u8 dialog_token;
1474             u8 variable[0];
1475         } __packed discover_req;
1476         struct {
1477             u8 target_channel;
1478             u8 oper_class;
1479             u8 variable[0];
1480         } __packed chan_switch_req;
1481         struct {
1482             __le16 status_code;
1483             u8 variable[0];
1484         } __packed chan_switch_resp;
1485     } u;
1486 } __packed;
1487 
1488 /*
1489  * Peer-to-Peer IE attribute related definitions.
1490  */
1491 /**
1492  * enum ieee80211_p2p_attr_id - identifies type of peer-to-peer attribute.
1493  */
1494 enum ieee80211_p2p_attr_id {
1495     IEEE80211_P2P_ATTR_STATUS = 0,
1496     IEEE80211_P2P_ATTR_MINOR_REASON,
1497     IEEE80211_P2P_ATTR_CAPABILITY,
1498     IEEE80211_P2P_ATTR_DEVICE_ID,
1499     IEEE80211_P2P_ATTR_GO_INTENT,
1500     IEEE80211_P2P_ATTR_GO_CONFIG_TIMEOUT,
1501     IEEE80211_P2P_ATTR_LISTEN_CHANNEL,
1502     IEEE80211_P2P_ATTR_GROUP_BSSID,
1503     IEEE80211_P2P_ATTR_EXT_LISTEN_TIMING,
1504     IEEE80211_P2P_ATTR_INTENDED_IFACE_ADDR,
1505     IEEE80211_P2P_ATTR_MANAGABILITY,
1506     IEEE80211_P2P_ATTR_CHANNEL_LIST,
1507     IEEE80211_P2P_ATTR_ABSENCE_NOTICE,
1508     IEEE80211_P2P_ATTR_DEVICE_INFO,
1509     IEEE80211_P2P_ATTR_GROUP_INFO,
1510     IEEE80211_P2P_ATTR_GROUP_ID,
1511     IEEE80211_P2P_ATTR_INTERFACE,
1512     IEEE80211_P2P_ATTR_OPER_CHANNEL,
1513     IEEE80211_P2P_ATTR_INVITE_FLAGS,
1514     /* 19 - 220: Reserved */
1515     IEEE80211_P2P_ATTR_VENDOR_SPECIFIC = 221,
1516 
1517     IEEE80211_P2P_ATTR_MAX
1518 };
1519 
1520 /* Notice of Absence attribute - described in P2P spec 4.1.14 */
1521 /* Typical max value used here */
1522 #define IEEE80211_P2P_NOA_DESC_MAX  4
1523 
1524 struct ieee80211_p2p_noa_desc {
1525     u8 count;
1526     __le32 duration;
1527     __le32 interval;
1528     __le32 start_time;
1529 } __packed;
1530 
1531 struct ieee80211_p2p_noa_attr {
1532     u8 index;
1533     u8 oppps_ctwindow;
1534     struct ieee80211_p2p_noa_desc desc[IEEE80211_P2P_NOA_DESC_MAX];
1535 } __packed;
1536 
1537 #define IEEE80211_P2P_OPPPS_ENABLE_BIT      BIT(7)
1538 #define IEEE80211_P2P_OPPPS_CTWINDOW_MASK   0x7F
1539 
1540 /**
1541  * struct ieee80211_bar - HT Block Ack Request
1542  *
1543  * This structure refers to "HT BlockAckReq" as
1544  * described in 802.11n draft section 7.2.1.7.1
1545  */
1546 struct ieee80211_bar {
1547     __le16 frame_control;
1548     __le16 duration;
1549     __u8 ra[ETH_ALEN];
1550     __u8 ta[ETH_ALEN];
1551     __le16 control;
1552     __le16 start_seq_num;
1553 } __packed;
1554 
1555 /* 802.11 BAR control masks */
1556 #define IEEE80211_BAR_CTRL_ACK_POLICY_NORMAL    0x0000
1557 #define IEEE80211_BAR_CTRL_MULTI_TID        0x0002
1558 #define IEEE80211_BAR_CTRL_CBMTID_COMPRESSED_BA 0x0004
1559 #define IEEE80211_BAR_CTRL_TID_INFO_MASK    0xf000
1560 #define IEEE80211_BAR_CTRL_TID_INFO_SHIFT   12
1561 
1562 #define IEEE80211_HT_MCS_MASK_LEN       10
1563 
1564 /**
1565  * struct ieee80211_mcs_info - MCS information
1566  * @rx_mask: RX mask
1567  * @rx_highest: highest supported RX rate. If set represents
1568  *  the highest supported RX data rate in units of 1 Mbps.
1569  *  If this field is 0 this value should not be used to
1570  *  consider the highest RX data rate supported.
1571  * @tx_params: TX parameters
1572  */
1573 struct ieee80211_mcs_info {
1574     u8 rx_mask[IEEE80211_HT_MCS_MASK_LEN];
1575     __le16 rx_highest;
1576     u8 tx_params;
1577     u8 reserved[3];
1578 } __packed;
1579 
1580 /* 802.11n HT capability MSC set */
1581 #define IEEE80211_HT_MCS_RX_HIGHEST_MASK    0x3ff
1582 #define IEEE80211_HT_MCS_TX_DEFINED     0x01
1583 #define IEEE80211_HT_MCS_TX_RX_DIFF     0x02
1584 /* value 0 == 1 stream etc */
1585 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_MASK    0x0C
1586 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT   2
1587 #define     IEEE80211_HT_MCS_TX_MAX_STREAMS 4
1588 #define IEEE80211_HT_MCS_TX_UNEQUAL_MODULATION  0x10
1589 
1590 /*
1591  * 802.11n D5.0 20.3.5 / 20.6 says:
1592  * - indices 0 to 7 and 32 are single spatial stream
1593  * - 8 to 31 are multiple spatial streams using equal modulation
1594  *   [8..15 for two streams, 16..23 for three and 24..31 for four]
1595  * - remainder are multiple spatial streams using unequal modulation
1596  */
1597 #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START 33
1598 #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START_BYTE \
1599     (IEEE80211_HT_MCS_UNEQUAL_MODULATION_START / 8)
1600 
1601 /**
1602  * struct ieee80211_ht_cap - HT capabilities
1603  *
1604  * This structure is the "HT capabilities element" as
1605  * described in 802.11n D5.0 7.3.2.57
1606  */
1607 struct ieee80211_ht_cap {
1608     __le16 cap_info;
1609     u8 ampdu_params_info;
1610 
1611     /* 16 bytes MCS information */
1612     struct ieee80211_mcs_info mcs;
1613 
1614     __le16 extended_ht_cap_info;
1615     __le32 tx_BF_cap_info;
1616     u8 antenna_selection_info;
1617 } __packed;
1618 
1619 /* 802.11n HT capabilities masks (for cap_info) */
1620 #define IEEE80211_HT_CAP_LDPC_CODING        0x0001
1621 #define IEEE80211_HT_CAP_SUP_WIDTH_20_40    0x0002
1622 #define IEEE80211_HT_CAP_SM_PS          0x000C
1623 #define     IEEE80211_HT_CAP_SM_PS_SHIFT    2
1624 #define IEEE80211_HT_CAP_GRN_FLD        0x0010
1625 #define IEEE80211_HT_CAP_SGI_20         0x0020
1626 #define IEEE80211_HT_CAP_SGI_40         0x0040
1627 #define IEEE80211_HT_CAP_TX_STBC        0x0080
1628 #define IEEE80211_HT_CAP_RX_STBC        0x0300
1629 #define     IEEE80211_HT_CAP_RX_STBC_SHIFT  8
1630 #define IEEE80211_HT_CAP_DELAY_BA       0x0400
1631 #define IEEE80211_HT_CAP_MAX_AMSDU      0x0800
1632 #define IEEE80211_HT_CAP_DSSSCCK40      0x1000
1633 #define IEEE80211_HT_CAP_RESERVED       0x2000
1634 #define IEEE80211_HT_CAP_40MHZ_INTOLERANT   0x4000
1635 #define IEEE80211_HT_CAP_LSIG_TXOP_PROT     0x8000
1636 
1637 /* 802.11n HT extended capabilities masks (for extended_ht_cap_info) */
1638 #define IEEE80211_HT_EXT_CAP_PCO        0x0001
1639 #define IEEE80211_HT_EXT_CAP_PCO_TIME       0x0006
1640 #define     IEEE80211_HT_EXT_CAP_PCO_TIME_SHIFT 1
1641 #define IEEE80211_HT_EXT_CAP_MCS_FB     0x0300
1642 #define     IEEE80211_HT_EXT_CAP_MCS_FB_SHIFT   8
1643 #define IEEE80211_HT_EXT_CAP_HTC_SUP        0x0400
1644 #define IEEE80211_HT_EXT_CAP_RD_RESPONDER   0x0800
1645 
1646 /* 802.11n HT capability AMPDU settings (for ampdu_params_info) */
1647 #define IEEE80211_HT_AMPDU_PARM_FACTOR      0x03
1648 #define IEEE80211_HT_AMPDU_PARM_DENSITY     0x1C
1649 #define     IEEE80211_HT_AMPDU_PARM_DENSITY_SHIFT   2
1650 
1651 /*
1652  * Maximum length of AMPDU that the STA can receive in high-throughput (HT).
1653  * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
1654  */
1655 enum ieee80211_max_ampdu_length_exp {
1656     IEEE80211_HT_MAX_AMPDU_8K = 0,
1657     IEEE80211_HT_MAX_AMPDU_16K = 1,
1658     IEEE80211_HT_MAX_AMPDU_32K = 2,
1659     IEEE80211_HT_MAX_AMPDU_64K = 3
1660 };
1661 
1662 /*
1663  * Maximum length of AMPDU that the STA can receive in VHT.
1664  * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
1665  */
1666 enum ieee80211_vht_max_ampdu_length_exp {
1667     IEEE80211_VHT_MAX_AMPDU_8K = 0,
1668     IEEE80211_VHT_MAX_AMPDU_16K = 1,
1669     IEEE80211_VHT_MAX_AMPDU_32K = 2,
1670     IEEE80211_VHT_MAX_AMPDU_64K = 3,
1671     IEEE80211_VHT_MAX_AMPDU_128K = 4,
1672     IEEE80211_VHT_MAX_AMPDU_256K = 5,
1673     IEEE80211_VHT_MAX_AMPDU_512K = 6,
1674     IEEE80211_VHT_MAX_AMPDU_1024K = 7
1675 };
1676 
1677 #define IEEE80211_HT_MAX_AMPDU_FACTOR 13
1678 
1679 /* Minimum MPDU start spacing */
1680 enum ieee80211_min_mpdu_spacing {
1681     IEEE80211_HT_MPDU_DENSITY_NONE = 0, /* No restriction */
1682     IEEE80211_HT_MPDU_DENSITY_0_25 = 1, /* 1/4 usec */
1683     IEEE80211_HT_MPDU_DENSITY_0_5 = 2,  /* 1/2 usec */
1684     IEEE80211_HT_MPDU_DENSITY_1 = 3,    /* 1 usec */
1685     IEEE80211_HT_MPDU_DENSITY_2 = 4,    /* 2 usec */
1686     IEEE80211_HT_MPDU_DENSITY_4 = 5,    /* 4 usec */
1687     IEEE80211_HT_MPDU_DENSITY_8 = 6,    /* 8 usec */
1688     IEEE80211_HT_MPDU_DENSITY_16 = 7    /* 16 usec */
1689 };
1690 
1691 /**
1692  * struct ieee80211_ht_operation - HT operation IE
1693  *
1694  * This structure is the "HT operation element" as
1695  * described in 802.11n-2009 7.3.2.57
1696  */
1697 struct ieee80211_ht_operation {
1698     u8 primary_chan;
1699     u8 ht_param;
1700     __le16 operation_mode;
1701     __le16 stbc_param;
1702     u8 basic_set[16];
1703 } __packed;
1704 
1705 /* for ht_param */
1706 #define IEEE80211_HT_PARAM_CHA_SEC_OFFSET       0x03
1707 #define     IEEE80211_HT_PARAM_CHA_SEC_NONE     0x00
1708 #define     IEEE80211_HT_PARAM_CHA_SEC_ABOVE    0x01
1709 #define     IEEE80211_HT_PARAM_CHA_SEC_BELOW    0x03
1710 #define IEEE80211_HT_PARAM_CHAN_WIDTH_ANY       0x04
1711 #define IEEE80211_HT_PARAM_RIFS_MODE            0x08
1712 
1713 /* for operation_mode */
1714 #define IEEE80211_HT_OP_MODE_PROTECTION         0x0003
1715 #define     IEEE80211_HT_OP_MODE_PROTECTION_NONE        0
1716 #define     IEEE80211_HT_OP_MODE_PROTECTION_NONMEMBER   1
1717 #define     IEEE80211_HT_OP_MODE_PROTECTION_20MHZ       2
1718 #define     IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED 3
1719 #define IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT       0x0004
1720 #define IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT       0x0010
1721 #define IEEE80211_HT_OP_MODE_CCFS2_SHIFT        5
1722 #define IEEE80211_HT_OP_MODE_CCFS2_MASK         0x1fe0
1723 
1724 /* for stbc_param */
1725 #define IEEE80211_HT_STBC_PARAM_DUAL_BEACON     0x0040
1726 #define IEEE80211_HT_STBC_PARAM_DUAL_CTS_PROT       0x0080
1727 #define IEEE80211_HT_STBC_PARAM_STBC_BEACON     0x0100
1728 #define IEEE80211_HT_STBC_PARAM_LSIG_TXOP_FULLPROT  0x0200
1729 #define IEEE80211_HT_STBC_PARAM_PCO_ACTIVE      0x0400
1730 #define IEEE80211_HT_STBC_PARAM_PCO_PHASE       0x0800
1731 
1732 
1733 /* block-ack parameters */
1734 #define IEEE80211_ADDBA_PARAM_AMSDU_MASK 0x0001
1735 #define IEEE80211_ADDBA_PARAM_POLICY_MASK 0x0002
1736 #define IEEE80211_ADDBA_PARAM_TID_MASK 0x003C
1737 #define IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK 0xFFC0
1738 #define IEEE80211_DELBA_PARAM_TID_MASK 0xF000
1739 #define IEEE80211_DELBA_PARAM_INITIATOR_MASK 0x0800
1740 
1741 /*
1742  * A-MPDU buffer sizes
1743  * According to HT size varies from 8 to 64 frames
1744  * HE adds the ability to have up to 256 frames.
1745  * EHT adds the ability to have up to 1K frames.
1746  */
1747 #define IEEE80211_MIN_AMPDU_BUF     0x8
1748 #define IEEE80211_MAX_AMPDU_BUF_HT  0x40
1749 #define IEEE80211_MAX_AMPDU_BUF_HE  0x100
1750 #define IEEE80211_MAX_AMPDU_BUF_EHT 0x400
1751 
1752 
1753 /* Spatial Multiplexing Power Save Modes (for capability) */
1754 #define WLAN_HT_CAP_SM_PS_STATIC    0
1755 #define WLAN_HT_CAP_SM_PS_DYNAMIC   1
1756 #define WLAN_HT_CAP_SM_PS_INVALID   2
1757 #define WLAN_HT_CAP_SM_PS_DISABLED  3
1758 
1759 /* for SM power control field lower two bits */
1760 #define WLAN_HT_SMPS_CONTROL_DISABLED   0
1761 #define WLAN_HT_SMPS_CONTROL_STATIC 1
1762 #define WLAN_HT_SMPS_CONTROL_DYNAMIC    3
1763 
1764 /**
1765  * struct ieee80211_vht_mcs_info - VHT MCS information
1766  * @rx_mcs_map: RX MCS map 2 bits for each stream, total 8 streams
1767  * @rx_highest: Indicates highest long GI VHT PPDU data rate
1768  *  STA can receive. Rate expressed in units of 1 Mbps.
1769  *  If this field is 0 this value should not be used to
1770  *  consider the highest RX data rate supported.
1771  *  The top 3 bits of this field indicate the Maximum NSTS,total
1772  *  (a beamformee capability.)
1773  * @tx_mcs_map: TX MCS map 2 bits for each stream, total 8 streams
1774  * @tx_highest: Indicates highest long GI VHT PPDU data rate
1775  *  STA can transmit. Rate expressed in units of 1 Mbps.
1776  *  If this field is 0 this value should not be used to
1777  *  consider the highest TX data rate supported.
1778  *  The top 2 bits of this field are reserved, the
1779  *  3rd bit from the top indiciates VHT Extended NSS BW
1780  *  Capability.
1781  */
1782 struct ieee80211_vht_mcs_info {
1783     __le16 rx_mcs_map;
1784     __le16 rx_highest;
1785     __le16 tx_mcs_map;
1786     __le16 tx_highest;
1787 } __packed;
1788 
1789 /* for rx_highest */
1790 #define IEEE80211_VHT_MAX_NSTS_TOTAL_SHIFT  13
1791 #define IEEE80211_VHT_MAX_NSTS_TOTAL_MASK   (7 << IEEE80211_VHT_MAX_NSTS_TOTAL_SHIFT)
1792 
1793 /* for tx_highest */
1794 #define IEEE80211_VHT_EXT_NSS_BW_CAPABLE    (1 << 13)
1795 
1796 /**
1797  * enum ieee80211_vht_mcs_support - VHT MCS support definitions
1798  * @IEEE80211_VHT_MCS_SUPPORT_0_7: MCSes 0-7 are supported for the
1799  *  number of streams
1800  * @IEEE80211_VHT_MCS_SUPPORT_0_8: MCSes 0-8 are supported
1801  * @IEEE80211_VHT_MCS_SUPPORT_0_9: MCSes 0-9 are supported
1802  * @IEEE80211_VHT_MCS_NOT_SUPPORTED: This number of streams isn't supported
1803  *
1804  * These definitions are used in each 2-bit subfield of the @rx_mcs_map
1805  * and @tx_mcs_map fields of &struct ieee80211_vht_mcs_info, which are
1806  * both split into 8 subfields by number of streams. These values indicate
1807  * which MCSes are supported for the number of streams the value appears
1808  * for.
1809  */
1810 enum ieee80211_vht_mcs_support {
1811     IEEE80211_VHT_MCS_SUPPORT_0_7   = 0,
1812     IEEE80211_VHT_MCS_SUPPORT_0_8   = 1,
1813     IEEE80211_VHT_MCS_SUPPORT_0_9   = 2,
1814     IEEE80211_VHT_MCS_NOT_SUPPORTED = 3,
1815 };
1816 
1817 /**
1818  * struct ieee80211_vht_cap - VHT capabilities
1819  *
1820  * This structure is the "VHT capabilities element" as
1821  * described in 802.11ac D3.0 8.4.2.160
1822  * @vht_cap_info: VHT capability info
1823  * @supp_mcs: VHT MCS supported rates
1824  */
1825 struct ieee80211_vht_cap {
1826     __le32 vht_cap_info;
1827     struct ieee80211_vht_mcs_info supp_mcs;
1828 } __packed;
1829 
1830 /**
1831  * enum ieee80211_vht_chanwidth - VHT channel width
1832  * @IEEE80211_VHT_CHANWIDTH_USE_HT: use the HT operation IE to
1833  *  determine the channel width (20 or 40 MHz)
1834  * @IEEE80211_VHT_CHANWIDTH_80MHZ: 80 MHz bandwidth
1835  * @IEEE80211_VHT_CHANWIDTH_160MHZ: 160 MHz bandwidth
1836  * @IEEE80211_VHT_CHANWIDTH_80P80MHZ: 80+80 MHz bandwidth
1837  */
1838 enum ieee80211_vht_chanwidth {
1839     IEEE80211_VHT_CHANWIDTH_USE_HT      = 0,
1840     IEEE80211_VHT_CHANWIDTH_80MHZ       = 1,
1841     IEEE80211_VHT_CHANWIDTH_160MHZ      = 2,
1842     IEEE80211_VHT_CHANWIDTH_80P80MHZ    = 3,
1843 };
1844 
1845 /**
1846  * struct ieee80211_vht_operation - VHT operation IE
1847  *
1848  * This structure is the "VHT operation element" as
1849  * described in 802.11ac D3.0 8.4.2.161
1850  * @chan_width: Operating channel width
1851  * @center_freq_seg0_idx: center freq segment 0 index
1852  * @center_freq_seg1_idx: center freq segment 1 index
1853  * @basic_mcs_set: VHT Basic MCS rate set
1854  */
1855 struct ieee80211_vht_operation {
1856     u8 chan_width;
1857     u8 center_freq_seg0_idx;
1858     u8 center_freq_seg1_idx;
1859     __le16 basic_mcs_set;
1860 } __packed;
1861 
1862 /**
1863  * struct ieee80211_he_cap_elem - HE capabilities element
1864  *
1865  * This structure is the "HE capabilities element" fixed fields as
1866  * described in P802.11ax_D4.0 section 9.4.2.242.2 and 9.4.2.242.3
1867  */
1868 struct ieee80211_he_cap_elem {
1869     u8 mac_cap_info[6];
1870     u8 phy_cap_info[11];
1871 } __packed;
1872 
1873 #define IEEE80211_TX_RX_MCS_NSS_DESC_MAX_LEN    5
1874 
1875 /**
1876  * enum ieee80211_he_mcs_support - HE MCS support definitions
1877  * @IEEE80211_HE_MCS_SUPPORT_0_7: MCSes 0-7 are supported for the
1878  *  number of streams
1879  * @IEEE80211_HE_MCS_SUPPORT_0_9: MCSes 0-9 are supported
1880  * @IEEE80211_HE_MCS_SUPPORT_0_11: MCSes 0-11 are supported
1881  * @IEEE80211_HE_MCS_NOT_SUPPORTED: This number of streams isn't supported
1882  *
1883  * These definitions are used in each 2-bit subfield of the rx_mcs_*
1884  * and tx_mcs_* fields of &struct ieee80211_he_mcs_nss_supp, which are
1885  * both split into 8 subfields by number of streams. These values indicate
1886  * which MCSes are supported for the number of streams the value appears
1887  * for.
1888  */
1889 enum ieee80211_he_mcs_support {
1890     IEEE80211_HE_MCS_SUPPORT_0_7    = 0,
1891     IEEE80211_HE_MCS_SUPPORT_0_9    = 1,
1892     IEEE80211_HE_MCS_SUPPORT_0_11   = 2,
1893     IEEE80211_HE_MCS_NOT_SUPPORTED  = 3,
1894 };
1895 
1896 /**
1897  * struct ieee80211_he_mcs_nss_supp - HE Tx/Rx HE MCS NSS Support Field
1898  *
1899  * This structure holds the data required for the Tx/Rx HE MCS NSS Support Field
1900  * described in P802.11ax_D2.0 section 9.4.2.237.4
1901  *
1902  * @rx_mcs_80: Rx MCS map 2 bits for each stream, total 8 streams, for channel
1903  *     widths less than 80MHz.
1904  * @tx_mcs_80: Tx MCS map 2 bits for each stream, total 8 streams, for channel
1905  *     widths less than 80MHz.
1906  * @rx_mcs_160: Rx MCS map 2 bits for each stream, total 8 streams, for channel
1907  *     width 160MHz.
1908  * @tx_mcs_160: Tx MCS map 2 bits for each stream, total 8 streams, for channel
1909  *     width 160MHz.
1910  * @rx_mcs_80p80: Rx MCS map 2 bits for each stream, total 8 streams, for
1911  *     channel width 80p80MHz.
1912  * @tx_mcs_80p80: Tx MCS map 2 bits for each stream, total 8 streams, for
1913  *     channel width 80p80MHz.
1914  */
1915 struct ieee80211_he_mcs_nss_supp {
1916     __le16 rx_mcs_80;
1917     __le16 tx_mcs_80;
1918     __le16 rx_mcs_160;
1919     __le16 tx_mcs_160;
1920     __le16 rx_mcs_80p80;
1921     __le16 tx_mcs_80p80;
1922 } __packed;
1923 
1924 /**
1925  * struct ieee80211_he_operation - HE capabilities element
1926  *
1927  * This structure is the "HE operation element" fields as
1928  * described in P802.11ax_D4.0 section 9.4.2.243
1929  */
1930 struct ieee80211_he_operation {
1931     __le32 he_oper_params;
1932     __le16 he_mcs_nss_set;
1933     /* Optional 0,1,3,4,5,7 or 8 bytes: depends on @he_oper_params */
1934     u8 optional[];
1935 } __packed;
1936 
1937 /**
1938  * struct ieee80211_he_spr - HE spatial reuse element
1939  *
1940  * This structure is the "HE spatial reuse element" element as
1941  * described in P802.11ax_D4.0 section 9.4.2.241
1942  */
1943 struct ieee80211_he_spr {
1944     u8 he_sr_control;
1945     /* Optional 0 to 19 bytes: depends on @he_sr_control */
1946     u8 optional[];
1947 } __packed;
1948 
1949 /**
1950  * struct ieee80211_he_mu_edca_param_ac_rec - MU AC Parameter Record field
1951  *
1952  * This structure is the "MU AC Parameter Record" fields as
1953  * described in P802.11ax_D4.0 section 9.4.2.245
1954  */
1955 struct ieee80211_he_mu_edca_param_ac_rec {
1956     u8 aifsn;
1957     u8 ecw_min_max;
1958     u8 mu_edca_timer;
1959 } __packed;
1960 
1961 /**
1962  * struct ieee80211_mu_edca_param_set - MU EDCA Parameter Set element
1963  *
1964  * This structure is the "MU EDCA Parameter Set element" fields as
1965  * described in P802.11ax_D4.0 section 9.4.2.245
1966  */
1967 struct ieee80211_mu_edca_param_set {
1968     u8 mu_qos_info;
1969     struct ieee80211_he_mu_edca_param_ac_rec ac_be;
1970     struct ieee80211_he_mu_edca_param_ac_rec ac_bk;
1971     struct ieee80211_he_mu_edca_param_ac_rec ac_vi;
1972     struct ieee80211_he_mu_edca_param_ac_rec ac_vo;
1973 } __packed;
1974 
1975 #define IEEE80211_EHT_MCS_NSS_RX 0x0f
1976 #define IEEE80211_EHT_MCS_NSS_TX 0xf0
1977 
1978 /**
1979  * struct ieee80211_eht_mcs_nss_supp_20mhz_only - EHT 20MHz only station max
1980  * supported NSS for per MCS.
1981  *
1982  * For each field below, bits 0 - 3 indicate the maximal number of spatial
1983  * streams for Rx, and bits 4 - 7 indicate the maximal number of spatial streams
1984  * for Tx.
1985  *
1986  * @rx_tx_mcs7_max_nss: indicates the maximum number of spatial streams
1987  *     supported for reception and the maximum number of spatial streams
1988  *     supported for transmission for MCS 0 - 7.
1989  * @rx_tx_mcs9_max_nss: indicates the maximum number of spatial streams
1990  *     supported for reception and the maximum number of spatial streams
1991  *     supported for transmission for MCS 8 - 9.
1992  * @rx_tx_mcs11_max_nss: indicates the maximum number of spatial streams
1993  *     supported for reception and the maximum number of spatial streams
1994  *     supported for transmission for MCS 10 - 11.
1995  * @rx_tx_mcs13_max_nss: indicates the maximum number of spatial streams
1996  *     supported for reception and the maximum number of spatial streams
1997  *     supported for transmission for MCS 12 - 13.
1998  */
1999 struct ieee80211_eht_mcs_nss_supp_20mhz_only {
2000     u8 rx_tx_mcs7_max_nss;
2001     u8 rx_tx_mcs9_max_nss;
2002     u8 rx_tx_mcs11_max_nss;
2003     u8 rx_tx_mcs13_max_nss;
2004 };
2005 
2006 /**
2007  * struct ieee80211_eht_mcs_nss_supp_bw - EHT max supported NSS per MCS (except
2008  * 20MHz only stations).
2009  *
2010  * For each field below, bits 0 - 3 indicate the maximal number of spatial
2011  * streams for Rx, and bits 4 - 7 indicate the maximal number of spatial streams
2012  * for Tx.
2013  *
2014  * @rx_tx_mcs9_max_nss: indicates the maximum number of spatial streams
2015  *     supported for reception and the maximum number of spatial streams
2016  *     supported for transmission for MCS 0 - 9.
2017  * @rx_tx_mcs11_max_nss: indicates the maximum number of spatial streams
2018  *     supported for reception and the maximum number of spatial streams
2019  *     supported for transmission for MCS 10 - 11.
2020  * @rx_tx_mcs13_max_nss: indicates the maximum number of spatial streams
2021  *     supported for reception and the maximum number of spatial streams
2022  *     supported for transmission for MCS 12 - 13.
2023  */
2024 struct ieee80211_eht_mcs_nss_supp_bw {
2025     u8 rx_tx_mcs9_max_nss;
2026     u8 rx_tx_mcs11_max_nss;
2027     u8 rx_tx_mcs13_max_nss;
2028 };
2029 
2030 /**
2031  * struct ieee80211_eht_cap_elem_fixed - EHT capabilities fixed data
2032  *
2033  * This structure is the "EHT Capabilities element" fixed fields as
2034  * described in P802.11be_D2.0 section 9.4.2.313.
2035  *
2036  * @mac_cap_info: MAC capabilities, see IEEE80211_EHT_MAC_CAP*
2037  * @phy_cap_info: PHY capabilities, see IEEE80211_EHT_PHY_CAP*
2038  */
2039 struct ieee80211_eht_cap_elem_fixed {
2040     u8 mac_cap_info[2];
2041     u8 phy_cap_info[9];
2042 } __packed;
2043 
2044 /**
2045  * struct ieee80211_eht_cap_elem - EHT capabilities element
2046  * @fixed: fixed parts, see &ieee80211_eht_cap_elem_fixed
2047  * @optional: optional parts
2048  */
2049 struct ieee80211_eht_cap_elem {
2050     struct ieee80211_eht_cap_elem_fixed fixed;
2051 
2052     /*
2053      * Followed by:
2054      * Supported EHT-MCS And NSS Set field: 4, 3, 6 or 9 octets.
2055      * EHT PPE Thresholds field: variable length.
2056      */
2057     u8 optional[];
2058 } __packed;
2059 
2060 #define IEEE80211_EHT_OPER_INFO_PRESENT                         0x01
2061 #define IEEE80211_EHT_OPER_DISABLED_SUBCHANNEL_BITMAP_PRESENT   0x02
2062 #define IEEE80211_EHT_OPER_EHT_DEF_PE_DURATION                  0x04
2063 #define IEEE80211_EHT_OPER_GROUP_ADDRESSED_BU_IND_LIMIT         0x08
2064 #define IEEE80211_EHT_OPER_GROUP_ADDRESSED_BU_IND_EXP_MASK      0x30
2065 
2066 /**
2067  * struct ieee80211_eht_operation - eht operation element
2068  *
2069  * This structure is the "EHT Operation Element" fields as
2070  * described in P802.11be_D2.0 section 9.4.2.311
2071  *
2072  * @params: EHT operation element parameters. See &IEEE80211_EHT_OPER_*
2073  * @basic_mcs_nss: indicates the EHT-MCSs for each number of spatial streams in
2074  *     EHT PPDUs that are supported by all EHT STAs in the BSS in transmit and
2075  *     receive.
2076  * @optional: optional parts
2077  */
2078 struct ieee80211_eht_operation {
2079     u8 params;
2080     __le32 basic_mcs_nss;
2081     u8 optional[];
2082 } __packed;
2083 
2084 /**
2085  * struct ieee80211_eht_operation_info - eht operation information
2086  *
2087  * @control: EHT operation information control.
2088  * @ccfs0: defines a channel center frequency for a 20, 40, 80, 160, or 320 MHz
2089  *     EHT BSS.
2090  * @ccfs1: defines a channel center frequency for a 160 or 320 MHz EHT BSS.
2091  * @optional: optional parts
2092  */
2093 struct ieee80211_eht_operation_info {
2094     u8 control;
2095     u8 ccfs0;
2096     u8 ccfs1;
2097     u8 optional[];
2098 } __packed;
2099 
2100 /* 802.11ac VHT Capabilities */
2101 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_3895          0x00000000
2102 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_7991          0x00000001
2103 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454         0x00000002
2104 #define IEEE80211_VHT_CAP_MAX_MPDU_MASK             0x00000003
2105 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ        0x00000004
2106 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ   0x00000008
2107 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_MASK          0x0000000C
2108 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_SHIFT         2
2109 #define IEEE80211_VHT_CAP_RXLDPC                0x00000010
2110 #define IEEE80211_VHT_CAP_SHORT_GI_80               0x00000020
2111 #define IEEE80211_VHT_CAP_SHORT_GI_160              0x00000040
2112 #define IEEE80211_VHT_CAP_TXSTBC                0x00000080
2113 #define IEEE80211_VHT_CAP_RXSTBC_1              0x00000100
2114 #define IEEE80211_VHT_CAP_RXSTBC_2              0x00000200
2115 #define IEEE80211_VHT_CAP_RXSTBC_3              0x00000300
2116 #define IEEE80211_VHT_CAP_RXSTBC_4              0x00000400
2117 #define IEEE80211_VHT_CAP_RXSTBC_MASK               0x00000700
2118 #define IEEE80211_VHT_CAP_RXSTBC_SHIFT              8
2119 #define IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE         0x00000800
2120 #define IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE         0x00001000
2121 #define IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT                  13
2122 #define IEEE80211_VHT_CAP_BEAMFORMEE_STS_MASK           \
2123         (7 << IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT)
2124 #define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT     16
2125 #define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK      \
2126         (7 << IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT)
2127 #define IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE         0x00080000
2128 #define IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE         0x00100000
2129 #define IEEE80211_VHT_CAP_VHT_TXOP_PS               0x00200000
2130 #define IEEE80211_VHT_CAP_HTC_VHT               0x00400000
2131 #define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT  23
2132 #define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK   \
2133         (7 << IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT)
2134 #define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_UNSOL_MFB 0x08000000
2135 #define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_MRQ_MFB   0x0c000000
2136 #define IEEE80211_VHT_CAP_RX_ANTENNA_PATTERN            0x10000000
2137 #define IEEE80211_VHT_CAP_TX_ANTENNA_PATTERN            0x20000000
2138 #define IEEE80211_VHT_CAP_EXT_NSS_BW_SHIFT          30
2139 #define IEEE80211_VHT_CAP_EXT_NSS_BW_MASK           0xc0000000
2140 
2141 /**
2142  * ieee80211_get_vht_max_nss - return max NSS for a given bandwidth/MCS
2143  * @cap: VHT capabilities of the peer
2144  * @bw: bandwidth to use
2145  * @mcs: MCS index to use
2146  * @ext_nss_bw_capable: indicates whether or not the local transmitter
2147  *  (rate scaling algorithm) can deal with the new logic
2148  *  (dot11VHTExtendedNSSBWCapable)
2149  * @max_vht_nss: current maximum NSS as advertised by the STA in
2150  *  operating mode notification, can be 0 in which case the
2151  *  capability data will be used to derive this (from MCS support)
2152  *
2153  * Due to the VHT Extended NSS Bandwidth Support, the maximum NSS can
2154  * vary for a given BW/MCS. This function parses the data.
2155  *
2156  * Note: This function is exported by cfg80211.
2157  */
2158 int ieee80211_get_vht_max_nss(struct ieee80211_vht_cap *cap,
2159                   enum ieee80211_vht_chanwidth bw,
2160                   int mcs, bool ext_nss_bw_capable,
2161                   unsigned int max_vht_nss);
2162 
2163 /**
2164  * enum ieee80211_ap_reg_power - regulatory power for a Access Point
2165  *
2166  * @IEEE80211_REG_UNSET_AP: Access Point has no regulatory power mode
2167  * @IEEE80211_REG_LPI: Indoor Access Point
2168  * @IEEE80211_REG_SP: Standard power Access Point
2169  * @IEEE80211_REG_VLP: Very low power Access Point
2170  * @IEEE80211_REG_AP_POWER_AFTER_LAST: internal
2171  * @IEEE80211_REG_AP_POWER_MAX: maximum value
2172  */
2173 enum ieee80211_ap_reg_power {
2174     IEEE80211_REG_UNSET_AP,
2175     IEEE80211_REG_LPI_AP,
2176     IEEE80211_REG_SP_AP,
2177     IEEE80211_REG_VLP_AP,
2178     IEEE80211_REG_AP_POWER_AFTER_LAST,
2179     IEEE80211_REG_AP_POWER_MAX =
2180         IEEE80211_REG_AP_POWER_AFTER_LAST - 1,
2181 };
2182 
2183 /**
2184  * enum ieee80211_client_reg_power - regulatory power for a client
2185  *
2186  * @IEEE80211_REG_UNSET_CLIENT: Client has no regulatory power mode
2187  * @IEEE80211_REG_DEFAULT_CLIENT: Default Client
2188  * @IEEE80211_REG_SUBORDINATE_CLIENT: Subordinate Client
2189  * @IEEE80211_REG_CLIENT_POWER_AFTER_LAST: internal
2190  * @IEEE80211_REG_CLIENT_POWER_MAX: maximum value
2191  */
2192 enum ieee80211_client_reg_power {
2193     IEEE80211_REG_UNSET_CLIENT,
2194     IEEE80211_REG_DEFAULT_CLIENT,
2195     IEEE80211_REG_SUBORDINATE_CLIENT,
2196     IEEE80211_REG_CLIENT_POWER_AFTER_LAST,
2197     IEEE80211_REG_CLIENT_POWER_MAX =
2198         IEEE80211_REG_CLIENT_POWER_AFTER_LAST - 1,
2199 };
2200 
2201 /* 802.11ax HE MAC capabilities */
2202 #define IEEE80211_HE_MAC_CAP0_HTC_HE                0x01
2203 #define IEEE80211_HE_MAC_CAP0_TWT_REQ               0x02
2204 #define IEEE80211_HE_MAC_CAP0_TWT_RES               0x04
2205 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_NOT_SUPP     0x00
2206 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_LEVEL_1      0x08
2207 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_LEVEL_2      0x10
2208 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_LEVEL_3      0x18
2209 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_MASK         0x18
2210 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_1       0x00
2211 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_2       0x20
2212 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_4       0x40
2213 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_8       0x60
2214 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_16      0x80
2215 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_32      0xa0
2216 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_64      0xc0
2217 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_UNLIMITED   0xe0
2218 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_MASK        0xe0
2219 
2220 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_UNLIMITED       0x00
2221 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_128         0x01
2222 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_256         0x02
2223 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_512         0x03
2224 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_MASK        0x03
2225 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_0US        0x00
2226 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_8US        0x04
2227 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_16US       0x08
2228 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_MASK       0x0c
2229 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_1        0x00
2230 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_2        0x10
2231 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_3        0x20
2232 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_4        0x30
2233 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_5        0x40
2234 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_6        0x50
2235 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_7        0x60
2236 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_8        0x70
2237 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_MASK     0x70
2238 
2239 /* Link adaptation is split between byte HE_MAC_CAP1 and
2240  * HE_MAC_CAP2. It should be set only if IEEE80211_HE_MAC_CAP0_HTC_HE
2241  * in which case the following values apply:
2242  * 0 = No feedback.
2243  * 1 = reserved.
2244  * 2 = Unsolicited feedback.
2245  * 3 = both
2246  */
2247 #define IEEE80211_HE_MAC_CAP1_LINK_ADAPTATION           0x80
2248 
2249 #define IEEE80211_HE_MAC_CAP2_LINK_ADAPTATION           0x01
2250 #define IEEE80211_HE_MAC_CAP2_ALL_ACK               0x02
2251 #define IEEE80211_HE_MAC_CAP2_TRS               0x04
2252 #define IEEE80211_HE_MAC_CAP2_BSR               0x08
2253 #define IEEE80211_HE_MAC_CAP2_BCAST_TWT             0x10
2254 #define IEEE80211_HE_MAC_CAP2_32BIT_BA_BITMAP           0x20
2255 #define IEEE80211_HE_MAC_CAP2_MU_CASCADING          0x40
2256 #define IEEE80211_HE_MAC_CAP2_ACK_EN                0x80
2257 
2258 #define IEEE80211_HE_MAC_CAP3_OMI_CONTROL           0x02
2259 #define IEEE80211_HE_MAC_CAP3_OFDMA_RA              0x04
2260 
2261 /* The maximum length of an A-MDPU is defined by the combination of the Maximum
2262  * A-MDPU Length Exponent field in the HT capabilities, VHT capabilities and the
2263  * same field in the HE capabilities.
2264  */
2265 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_0       0x00
2266 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_1       0x08
2267 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_2       0x10
2268 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_3       0x18
2269 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_MASK        0x18
2270 #define IEEE80211_HE_MAC_CAP3_AMSDU_FRAG            0x20
2271 #define IEEE80211_HE_MAC_CAP3_FLEX_TWT_SCHED            0x40
2272 #define IEEE80211_HE_MAC_CAP3_RX_CTRL_FRAME_TO_MULTIBSS     0x80
2273 
2274 #define IEEE80211_HE_MAC_CAP4_BSRP_BQRP_A_MPDU_AGG      0x01
2275 #define IEEE80211_HE_MAC_CAP4_QTP               0x02
2276 #define IEEE80211_HE_MAC_CAP4_BQR               0x04
2277 #define IEEE80211_HE_MAC_CAP4_PSR_RESP              0x08
2278 #define IEEE80211_HE_MAC_CAP4_NDP_FB_REP            0x10
2279 #define IEEE80211_HE_MAC_CAP4_OPS               0x20
2280 #define IEEE80211_HE_MAC_CAP4_AMSDU_IN_AMPDU            0x40
2281 /* Multi TID agg TX is split between byte #4 and #5
2282  * The value is a combination of B39,B40,B41
2283  */
2284 #define IEEE80211_HE_MAC_CAP4_MULTI_TID_AGG_TX_QOS_B39      0x80
2285 
2286 #define IEEE80211_HE_MAC_CAP5_MULTI_TID_AGG_TX_QOS_B40      0x01
2287 #define IEEE80211_HE_MAC_CAP5_MULTI_TID_AGG_TX_QOS_B41      0x02
2288 #define IEEE80211_HE_MAC_CAP5_SUBCHAN_SELECTIVE_TRANSMISSION    0x04
2289 #define IEEE80211_HE_MAC_CAP5_UL_2x996_TONE_RU          0x08
2290 #define IEEE80211_HE_MAC_CAP5_OM_CTRL_UL_MU_DATA_DIS_RX     0x10
2291 #define IEEE80211_HE_MAC_CAP5_HE_DYNAMIC_SM_PS          0x20
2292 #define IEEE80211_HE_MAC_CAP5_PUNCTURED_SOUNDING        0x40
2293 #define IEEE80211_HE_MAC_CAP5_HT_VHT_TRIG_FRAME_RX      0x80
2294 
2295 #define IEEE80211_HE_VHT_MAX_AMPDU_FACTOR   20
2296 #define IEEE80211_HE_HT_MAX_AMPDU_FACTOR    16
2297 #define IEEE80211_HE_6GHZ_MAX_AMPDU_FACTOR  13
2298 
2299 /* 802.11ax HE PHY capabilities */
2300 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G     0x02
2301 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_80MHZ_IN_5G   0x04
2302 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G        0x08
2303 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G  0x10
2304 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_MASK_ALL        0x1e
2305 
2306 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_2G    0x20
2307 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_5G    0x40
2308 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_MASK            0xfe
2309 
2310 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_80MHZ_ONLY_SECOND_20MHZ  0x01
2311 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_80MHZ_ONLY_SECOND_40MHZ  0x02
2312 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_160MHZ_ONLY_SECOND_20MHZ 0x04
2313 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_160MHZ_ONLY_SECOND_40MHZ 0x08
2314 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_MASK         0x0f
2315 #define IEEE80211_HE_PHY_CAP1_DEVICE_CLASS_A                0x10
2316 #define IEEE80211_HE_PHY_CAP1_LDPC_CODING_IN_PAYLOAD            0x20
2317 #define IEEE80211_HE_PHY_CAP1_HE_LTF_AND_GI_FOR_HE_PPDUS_0_8US      0x40
2318 /* Midamble RX/TX Max NSTS is split between byte #2 and byte #3 */
2319 #define IEEE80211_HE_PHY_CAP1_MIDAMBLE_RX_TX_MAX_NSTS           0x80
2320 
2321 #define IEEE80211_HE_PHY_CAP2_MIDAMBLE_RX_TX_MAX_NSTS           0x01
2322 #define IEEE80211_HE_PHY_CAP2_NDP_4x_LTF_AND_3_2US          0x02
2323 #define IEEE80211_HE_PHY_CAP2_STBC_TX_UNDER_80MHZ           0x04
2324 #define IEEE80211_HE_PHY_CAP2_STBC_RX_UNDER_80MHZ           0x08
2325 #define IEEE80211_HE_PHY_CAP2_DOPPLER_TX                0x10
2326 #define IEEE80211_HE_PHY_CAP2_DOPPLER_RX                0x20
2327 
2328 /* Note that the meaning of UL MU below is different between an AP and a non-AP
2329  * sta, where in the AP case it indicates support for Rx and in the non-AP sta
2330  * case it indicates support for Tx.
2331  */
2332 #define IEEE80211_HE_PHY_CAP2_UL_MU_FULL_MU_MIMO            0x40
2333 #define IEEE80211_HE_PHY_CAP2_UL_MU_PARTIAL_MU_MIMO         0x80
2334 
2335 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_NO_DCM           0x00
2336 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_BPSK         0x01
2337 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_QPSK         0x02
2338 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_16_QAM           0x03
2339 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_MASK         0x03
2340 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_TX_NSS_1              0x00
2341 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_TX_NSS_2              0x04
2342 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_NO_DCM           0x00
2343 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_BPSK         0x08
2344 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_QPSK         0x10
2345 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_16_QAM           0x18
2346 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_MASK         0x18
2347 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_RX_NSS_1              0x00
2348 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_RX_NSS_2              0x20
2349 #define IEEE80211_HE_PHY_CAP3_RX_PARTIAL_BW_SU_IN_20MHZ_MU      0x40
2350 #define IEEE80211_HE_PHY_CAP3_SU_BEAMFORMER             0x80
2351 
2352 #define IEEE80211_HE_PHY_CAP4_SU_BEAMFORMEE             0x01
2353 #define IEEE80211_HE_PHY_CAP4_MU_BEAMFORMER             0x02
2354 
2355 /* Minimal allowed value of Max STS under 80MHz is 3 */
2356 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_4      0x0c
2357 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_5      0x10
2358 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_6      0x14
2359 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_7      0x18
2360 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_8      0x1c
2361 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_MASK   0x1c
2362 
2363 /* Minimal allowed value of Max STS above 80MHz is 3 */
2364 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_4      0x60
2365 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_5      0x80
2366 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_6      0xa0
2367 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_7      0xc0
2368 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_8      0xe0
2369 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_MASK   0xe0
2370 
2371 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_1  0x00
2372 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_2  0x01
2373 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_3  0x02
2374 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_4  0x03
2375 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_5  0x04
2376 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_6  0x05
2377 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_7  0x06
2378 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_8  0x07
2379 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_MASK   0x07
2380 
2381 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_1  0x00
2382 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_2  0x08
2383 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_3  0x10
2384 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_4  0x18
2385 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_5  0x20
2386 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_6  0x28
2387 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_7  0x30
2388 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_8  0x38
2389 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_MASK   0x38
2390 
2391 #define IEEE80211_HE_PHY_CAP5_NG16_SU_FEEDBACK              0x40
2392 #define IEEE80211_HE_PHY_CAP5_NG16_MU_FEEDBACK              0x80
2393 
2394 #define IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_42_SU           0x01
2395 #define IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_75_MU           0x02
2396 #define IEEE80211_HE_PHY_CAP6_TRIG_SU_BEAMFORMING_FB            0x04
2397 #define IEEE80211_HE_PHY_CAP6_TRIG_MU_BEAMFORMING_PARTIAL_BW_FB     0x08
2398 #define IEEE80211_HE_PHY_CAP6_TRIG_CQI_FB               0x10
2399 #define IEEE80211_HE_PHY_CAP6_PARTIAL_BW_EXT_RANGE          0x20
2400 #define IEEE80211_HE_PHY_CAP6_PARTIAL_BANDWIDTH_DL_MUMIMO       0x40
2401 #define IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT         0x80
2402 
2403 #define IEEE80211_HE_PHY_CAP7_PSR_BASED_SR              0x01
2404 #define IEEE80211_HE_PHY_CAP7_POWER_BOOST_FACTOR_SUPP           0x02
2405 #define IEEE80211_HE_PHY_CAP7_HE_SU_MU_PPDU_4XLTF_AND_08_US_GI      0x04
2406 #define IEEE80211_HE_PHY_CAP7_MAX_NC_1                  0x08
2407 #define IEEE80211_HE_PHY_CAP7_MAX_NC_2                  0x10
2408 #define IEEE80211_HE_PHY_CAP7_MAX_NC_3                  0x18
2409 #define IEEE80211_HE_PHY_CAP7_MAX_NC_4                  0x20
2410 #define IEEE80211_HE_PHY_CAP7_MAX_NC_5                  0x28
2411 #define IEEE80211_HE_PHY_CAP7_MAX_NC_6                  0x30
2412 #define IEEE80211_HE_PHY_CAP7_MAX_NC_7                  0x38
2413 #define IEEE80211_HE_PHY_CAP7_MAX_NC_MASK               0x38
2414 #define IEEE80211_HE_PHY_CAP7_STBC_TX_ABOVE_80MHZ           0x40
2415 #define IEEE80211_HE_PHY_CAP7_STBC_RX_ABOVE_80MHZ           0x80
2416 
2417 #define IEEE80211_HE_PHY_CAP8_HE_ER_SU_PPDU_4XLTF_AND_08_US_GI      0x01
2418 #define IEEE80211_HE_PHY_CAP8_20MHZ_IN_40MHZ_HE_PPDU_IN_2G      0x02
2419 #define IEEE80211_HE_PHY_CAP8_20MHZ_IN_160MHZ_HE_PPDU           0x04
2420 #define IEEE80211_HE_PHY_CAP8_80MHZ_IN_160MHZ_HE_PPDU           0x08
2421 #define IEEE80211_HE_PHY_CAP8_HE_ER_SU_1XLTF_AND_08_US_GI       0x10
2422 #define IEEE80211_HE_PHY_CAP8_MIDAMBLE_RX_TX_2X_AND_1XLTF       0x20
2423 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_242                0x00
2424 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_484                0x40
2425 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_996                0x80
2426 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_2x996              0xc0
2427 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_MASK               0xc0
2428 
2429 #define IEEE80211_HE_PHY_CAP9_LONGER_THAN_16_SIGB_OFDM_SYM      0x01
2430 #define IEEE80211_HE_PHY_CAP9_NON_TRIGGERED_CQI_FEEDBACK        0x02
2431 #define IEEE80211_HE_PHY_CAP9_TX_1024_QAM_LESS_THAN_242_TONE_RU     0x04
2432 #define IEEE80211_HE_PHY_CAP9_RX_1024_QAM_LESS_THAN_242_TONE_RU     0x08
2433 #define IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_COMP_SIGB 0x10
2434 #define IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_NON_COMP_SIGB 0x20
2435 #define IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_0US           0x0
2436 #define IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_8US           0x1
2437 #define IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_16US          0x2
2438 #define IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_RESERVED      0x3
2439 #define IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_POS           6
2440 #define IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_MASK          0xc0
2441 
2442 #define IEEE80211_HE_PHY_CAP10_HE_MU_M1RU_MAX_LTF           0x01
2443 
2444 /* 802.11ax HE TX/RX MCS NSS Support  */
2445 #define IEEE80211_TX_RX_MCS_NSS_SUPP_HIGHEST_MCS_POS            (3)
2446 #define IEEE80211_TX_RX_MCS_NSS_SUPP_TX_BITMAP_POS          (6)
2447 #define IEEE80211_TX_RX_MCS_NSS_SUPP_RX_BITMAP_POS          (11)
2448 #define IEEE80211_TX_RX_MCS_NSS_SUPP_TX_BITMAP_MASK         0x07c0
2449 #define IEEE80211_TX_RX_MCS_NSS_SUPP_RX_BITMAP_MASK         0xf800
2450 
2451 /* TX/RX HE MCS Support field Highest MCS subfield encoding */
2452 enum ieee80211_he_highest_mcs_supported_subfield_enc {
2453     HIGHEST_MCS_SUPPORTED_MCS7 = 0,
2454     HIGHEST_MCS_SUPPORTED_MCS8,
2455     HIGHEST_MCS_SUPPORTED_MCS9,
2456     HIGHEST_MCS_SUPPORTED_MCS10,
2457     HIGHEST_MCS_SUPPORTED_MCS11,
2458 };
2459 
2460 /* Calculate 802.11ax HE capabilities IE Tx/Rx HE MCS NSS Support Field size */
2461 static inline u8
2462 ieee80211_he_mcs_nss_size(const struct ieee80211_he_cap_elem *he_cap)
2463 {
2464     u8 count = 4;
2465 
2466     if (he_cap->phy_cap_info[0] &
2467         IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G)
2468         count += 4;
2469 
2470     if (he_cap->phy_cap_info[0] &
2471         IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G)
2472         count += 4;
2473 
2474     return count;
2475 }
2476 
2477 /* 802.11ax HE PPE Thresholds */
2478 #define IEEE80211_PPE_THRES_NSS_SUPPORT_2NSS            (1)
2479 #define IEEE80211_PPE_THRES_NSS_POS             (0)
2480 #define IEEE80211_PPE_THRES_NSS_MASK                (7)
2481 #define IEEE80211_PPE_THRES_RU_INDEX_BITMASK_2x966_AND_966_RU   \
2482     (BIT(5) | BIT(6))
2483 #define IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK       0x78
2484 #define IEEE80211_PPE_THRES_RU_INDEX_BITMASK_POS        (3)
2485 #define IEEE80211_PPE_THRES_INFO_PPET_SIZE          (3)
2486 #define IEEE80211_HE_PPE_THRES_INFO_HEADER_SIZE         (7)
2487 
2488 /*
2489  * Calculate 802.11ax HE capabilities IE PPE field size
2490  * Input: Header byte of ppe_thres (first byte), and HE capa IE's PHY cap u8*
2491  */
2492 static inline u8
2493 ieee80211_he_ppe_size(u8 ppe_thres_hdr, const u8 *phy_cap_info)
2494 {
2495     u8 n;
2496 
2497     if ((phy_cap_info[6] &
2498          IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) == 0)
2499         return 0;
2500 
2501     n = hweight8(ppe_thres_hdr &
2502              IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK);
2503     n *= (1 + ((ppe_thres_hdr & IEEE80211_PPE_THRES_NSS_MASK) >>
2504            IEEE80211_PPE_THRES_NSS_POS));
2505 
2506     /*
2507      * Each pair is 6 bits, and we need to add the 7 "header" bits to the
2508      * total size.
2509      */
2510     n = (n * IEEE80211_PPE_THRES_INFO_PPET_SIZE * 2) + 7;
2511     n = DIV_ROUND_UP(n, 8);
2512 
2513     return n;
2514 }
2515 
2516 static inline bool ieee80211_he_capa_size_ok(const u8 *data, u8 len)
2517 {
2518     const struct ieee80211_he_cap_elem *he_cap_ie_elem = (const void *)data;
2519     u8 needed = sizeof(*he_cap_ie_elem);
2520 
2521     if (len < needed)
2522         return false;
2523 
2524     needed += ieee80211_he_mcs_nss_size(he_cap_ie_elem);
2525     if (len < needed)
2526         return false;
2527 
2528     if (he_cap_ie_elem->phy_cap_info[6] &
2529             IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) {
2530         if (len < needed + 1)
2531             return false;
2532         needed += ieee80211_he_ppe_size(data[needed],
2533                         he_cap_ie_elem->phy_cap_info);
2534     }
2535 
2536     return len >= needed;
2537 }
2538 
2539 /* HE Operation defines */
2540 #define IEEE80211_HE_OPERATION_DFLT_PE_DURATION_MASK        0x00000007
2541 #define IEEE80211_HE_OPERATION_TWT_REQUIRED         0x00000008
2542 #define IEEE80211_HE_OPERATION_RTS_THRESHOLD_MASK       0x00003ff0
2543 #define IEEE80211_HE_OPERATION_RTS_THRESHOLD_OFFSET     4
2544 #define IEEE80211_HE_OPERATION_VHT_OPER_INFO            0x00004000
2545 #define IEEE80211_HE_OPERATION_CO_HOSTED_BSS            0x00008000
2546 #define IEEE80211_HE_OPERATION_ER_SU_DISABLE            0x00010000
2547 #define IEEE80211_HE_OPERATION_6GHZ_OP_INFO         0x00020000
2548 #define IEEE80211_HE_OPERATION_BSS_COLOR_MASK           0x3f000000
2549 #define IEEE80211_HE_OPERATION_BSS_COLOR_OFFSET         24
2550 #define IEEE80211_HE_OPERATION_PARTIAL_BSS_COLOR        0x40000000
2551 #define IEEE80211_HE_OPERATION_BSS_COLOR_DISABLED       0x80000000
2552 
2553 #define IEEE80211_6GHZ_CTRL_REG_LPI_AP  0
2554 #define IEEE80211_6GHZ_CTRL_REG_SP_AP   1
2555 
2556 /**
2557  * ieee80211_he_6ghz_oper - HE 6 GHz operation Information field
2558  * @primary: primary channel
2559  * @control: control flags
2560  * @ccfs0: channel center frequency segment 0
2561  * @ccfs1: channel center frequency segment 1
2562  * @minrate: minimum rate (in 1 Mbps units)
2563  */
2564 struct ieee80211_he_6ghz_oper {
2565     u8 primary;
2566 #define IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH   0x3
2567 #define     IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_20MHZ 0
2568 #define     IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_40MHZ 1
2569 #define     IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_80MHZ 2
2570 #define     IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_160MHZ    3
2571 #define IEEE80211_HE_6GHZ_OPER_CTRL_DUP_BEACON  0x4
2572 #define IEEE80211_HE_6GHZ_OPER_CTRL_REG_INFO    0x38
2573     u8 control;
2574     u8 ccfs0;
2575     u8 ccfs1;
2576     u8 minrate;
2577 } __packed;
2578 
2579 /*
2580  * In "9.4.2.161 Transmit Power Envelope element" of "IEEE Std 802.11ax-2021",
2581  * it show four types in "Table 9-275a-Maximum Transmit Power Interpretation
2582  * subfield encoding", and two category for each type in "Table E-12-Regulatory
2583  * Info subfield encoding in the United States".
2584  * So it it totally max 8 Transmit Power Envelope element.
2585  */
2586 #define IEEE80211_TPE_MAX_IE_COUNT  8
2587 /*
2588  * In "Table 9-277—Meaning of Maximum Transmit Power Count subfield"
2589  * of "IEEE Std 802.11ax™‐2021", the max power level is 8.
2590  */
2591 #define IEEE80211_MAX_NUM_PWR_LEVEL 8
2592 
2593 #define IEEE80211_TPE_MAX_POWER_COUNT   8
2594 
2595 /* transmit power interpretation type of transmit power envelope element */
2596 enum ieee80211_tx_power_intrpt_type {
2597     IEEE80211_TPE_LOCAL_EIRP,
2598     IEEE80211_TPE_LOCAL_EIRP_PSD,
2599     IEEE80211_TPE_REG_CLIENT_EIRP,
2600     IEEE80211_TPE_REG_CLIENT_EIRP_PSD,
2601 };
2602 
2603 /**
2604  * struct ieee80211_tx_pwr_env
2605  *
2606  * This structure represents the "Transmit Power Envelope element"
2607  */
2608 struct ieee80211_tx_pwr_env {
2609     u8 tx_power_info;
2610     s8 tx_power[IEEE80211_TPE_MAX_POWER_COUNT];
2611 } __packed;
2612 
2613 #define IEEE80211_TX_PWR_ENV_INFO_COUNT 0x7
2614 #define IEEE80211_TX_PWR_ENV_INFO_INTERPRET 0x38
2615 #define IEEE80211_TX_PWR_ENV_INFO_CATEGORY 0xC0
2616 
2617 /*
2618  * ieee80211_he_oper_size - calculate 802.11ax HE Operations IE size
2619  * @he_oper_ie: byte data of the He Operations IE, stating from the byte
2620  *  after the ext ID byte. It is assumed that he_oper_ie has at least
2621  *  sizeof(struct ieee80211_he_operation) bytes, the caller must have
2622  *  validated this.
2623  * @return the actual size of the IE data (not including header), or 0 on error
2624  */
2625 static inline u8
2626 ieee80211_he_oper_size(const u8 *he_oper_ie)
2627 {
2628     const struct ieee80211_he_operation *he_oper = (const void *)he_oper_ie;
2629     u8 oper_len = sizeof(struct ieee80211_he_operation);
2630     u32 he_oper_params;
2631 
2632     /* Make sure the input is not NULL */
2633     if (!he_oper_ie)
2634         return 0;
2635 
2636     /* Calc required length */
2637     he_oper_params = le32_to_cpu(he_oper->he_oper_params);
2638     if (he_oper_params & IEEE80211_HE_OPERATION_VHT_OPER_INFO)
2639         oper_len += 3;
2640     if (he_oper_params & IEEE80211_HE_OPERATION_CO_HOSTED_BSS)
2641         oper_len++;
2642     if (he_oper_params & IEEE80211_HE_OPERATION_6GHZ_OP_INFO)
2643         oper_len += sizeof(struct ieee80211_he_6ghz_oper);
2644 
2645     /* Add the first byte (extension ID) to the total length */
2646     oper_len++;
2647 
2648     return oper_len;
2649 }
2650 
2651 /**
2652  * ieee80211_he_6ghz_oper - obtain 6 GHz operation field
2653  * @he_oper: HE operation element (must be pre-validated for size)
2654  *  but may be %NULL
2655  *
2656  * Return: a pointer to the 6 GHz operation field, or %NULL
2657  */
2658 static inline const struct ieee80211_he_6ghz_oper *
2659 ieee80211_he_6ghz_oper(const struct ieee80211_he_operation *he_oper)
2660 {
2661     const u8 *ret = (const void *)&he_oper->optional;
2662     u32 he_oper_params;
2663 
2664     if (!he_oper)
2665         return NULL;
2666 
2667     he_oper_params = le32_to_cpu(he_oper->he_oper_params);
2668 
2669     if (!(he_oper_params & IEEE80211_HE_OPERATION_6GHZ_OP_INFO))
2670         return NULL;
2671     if (he_oper_params & IEEE80211_HE_OPERATION_VHT_OPER_INFO)
2672         ret += 3;
2673     if (he_oper_params & IEEE80211_HE_OPERATION_CO_HOSTED_BSS)
2674         ret++;
2675 
2676     return (const void *)ret;
2677 }
2678 
2679 /* HE Spatial Reuse defines */
2680 #define IEEE80211_HE_SPR_PSR_DISALLOWED             BIT(0)
2681 #define IEEE80211_HE_SPR_NON_SRG_OBSS_PD_SR_DISALLOWED      BIT(1)
2682 #define IEEE80211_HE_SPR_NON_SRG_OFFSET_PRESENT         BIT(2)
2683 #define IEEE80211_HE_SPR_SRG_INFORMATION_PRESENT        BIT(3)
2684 #define IEEE80211_HE_SPR_HESIGA_SR_VAL15_ALLOWED        BIT(4)
2685 
2686 /*
2687  * ieee80211_he_spr_size - calculate 802.11ax HE Spatial Reuse IE size
2688  * @he_spr_ie: byte data of the He Spatial Reuse IE, stating from the byte
2689  *  after the ext ID byte. It is assumed that he_spr_ie has at least
2690  *  sizeof(struct ieee80211_he_spr) bytes, the caller must have validated
2691  *  this
2692  * @return the actual size of the IE data (not including header), or 0 on error
2693  */
2694 static inline u8
2695 ieee80211_he_spr_size(const u8 *he_spr_ie)
2696 {
2697     const struct ieee80211_he_spr *he_spr = (const void *)he_spr_ie;
2698     u8 spr_len = sizeof(struct ieee80211_he_spr);
2699     u8 he_spr_params;
2700 
2701     /* Make sure the input is not NULL */
2702     if (!he_spr_ie)
2703         return 0;
2704 
2705     /* Calc required length */
2706     he_spr_params = he_spr->he_sr_control;
2707     if (he_spr_params & IEEE80211_HE_SPR_NON_SRG_OFFSET_PRESENT)
2708         spr_len++;
2709     if (he_spr_params & IEEE80211_HE_SPR_SRG_INFORMATION_PRESENT)
2710         spr_len += 18;
2711 
2712     /* Add the first byte (extension ID) to the total length */
2713     spr_len++;
2714 
2715     return spr_len;
2716 }
2717 
2718 /* S1G Capabilities Information field */
2719 #define IEEE80211_S1G_CAPABILITY_LEN    15
2720 
2721 #define S1G_CAP0_S1G_LONG   BIT(0)
2722 #define S1G_CAP0_SGI_1MHZ   BIT(1)
2723 #define S1G_CAP0_SGI_2MHZ   BIT(2)
2724 #define S1G_CAP0_SGI_4MHZ   BIT(3)
2725 #define S1G_CAP0_SGI_8MHZ   BIT(4)
2726 #define S1G_CAP0_SGI_16MHZ  BIT(5)
2727 #define S1G_CAP0_SUPP_CH_WIDTH  GENMASK(7, 6)
2728 
2729 #define S1G_SUPP_CH_WIDTH_2 0
2730 #define S1G_SUPP_CH_WIDTH_4 1
2731 #define S1G_SUPP_CH_WIDTH_8 2
2732 #define S1G_SUPP_CH_WIDTH_16    3
2733 #define S1G_SUPP_CH_WIDTH_MAX(cap) ((1 << FIELD_GET(S1G_CAP0_SUPP_CH_WIDTH, \
2734                             cap[0])) << 1)
2735 
2736 #define S1G_CAP1_RX_LDPC    BIT(0)
2737 #define S1G_CAP1_TX_STBC    BIT(1)
2738 #define S1G_CAP1_RX_STBC    BIT(2)
2739 #define S1G_CAP1_SU_BFER    BIT(3)
2740 #define S1G_CAP1_SU_BFEE    BIT(4)
2741 #define S1G_CAP1_BFEE_STS   GENMASK(7, 5)
2742 
2743 #define S1G_CAP2_SOUNDING_DIMENSIONS    GENMASK(2, 0)
2744 #define S1G_CAP2_MU_BFER        BIT(3)
2745 #define S1G_CAP2_MU_BFEE        BIT(4)
2746 #define S1G_CAP2_PLUS_HTC_VHT       BIT(5)
2747 #define S1G_CAP2_TRAVELING_PILOT    GENMASK(7, 6)
2748 
2749 #define S1G_CAP3_RD_RESPONDER       BIT(0)
2750 #define S1G_CAP3_HT_DELAYED_BA      BIT(1)
2751 #define S1G_CAP3_MAX_MPDU_LEN       BIT(2)
2752 #define S1G_CAP3_MAX_AMPDU_LEN_EXP  GENMASK(4, 3)
2753 #define S1G_CAP3_MIN_MPDU_START     GENMASK(7, 5)
2754 
2755 #define S1G_CAP4_UPLINK_SYNC    BIT(0)
2756 #define S1G_CAP4_DYNAMIC_AID    BIT(1)
2757 #define S1G_CAP4_BAT        BIT(2)
2758 #define S1G_CAP4_TIME_ADE   BIT(3)
2759 #define S1G_CAP4_NON_TIM    BIT(4)
2760 #define S1G_CAP4_GROUP_AID  BIT(5)
2761 #define S1G_CAP4_STA_TYPE   GENMASK(7, 6)
2762 
2763 #define S1G_CAP5_CENT_AUTH_CONTROL  BIT(0)
2764 #define S1G_CAP5_DIST_AUTH_CONTROL  BIT(1)
2765 #define S1G_CAP5_AMSDU          BIT(2)
2766 #define S1G_CAP5_AMPDU          BIT(3)
2767 #define S1G_CAP5_ASYMMETRIC_BA      BIT(4)
2768 #define S1G_CAP5_FLOW_CONTROL       BIT(5)
2769 #define S1G_CAP5_SECTORIZED_BEAM    GENMASK(7, 6)
2770 
2771 #define S1G_CAP6_OBSS_MITIGATION    BIT(0)
2772 #define S1G_CAP6_FRAGMENT_BA        BIT(1)
2773 #define S1G_CAP6_NDP_PS_POLL        BIT(2)
2774 #define S1G_CAP6_RAW_OPERATION      BIT(3)
2775 #define S1G_CAP6_PAGE_SLICING       BIT(4)
2776 #define S1G_CAP6_TXOP_SHARING_IMP_ACK   BIT(5)
2777 #define S1G_CAP6_VHT_LINK_ADAPT     GENMASK(7, 6)
2778 
2779 #define S1G_CAP7_TACK_AS_PS_POLL        BIT(0)
2780 #define S1G_CAP7_DUP_1MHZ           BIT(1)
2781 #define S1G_CAP7_MCS_NEGOTIATION        BIT(2)
2782 #define S1G_CAP7_1MHZ_CTL_RESPONSE_PREAMBLE BIT(3)
2783 #define S1G_CAP7_NDP_BFING_REPORT_POLL      BIT(4)
2784 #define S1G_CAP7_UNSOLICITED_DYN_AID        BIT(5)
2785 #define S1G_CAP7_SECTOR_TRAINING_OPERATION  BIT(6)
2786 #define S1G_CAP7_TEMP_PS_MODE_SWITCH        BIT(7)
2787 
2788 #define S1G_CAP8_TWT_GROUPING   BIT(0)
2789 #define S1G_CAP8_BDT        BIT(1)
2790 #define S1G_CAP8_COLOR      GENMASK(4, 2)
2791 #define S1G_CAP8_TWT_REQUEST    BIT(5)
2792 #define S1G_CAP8_TWT_RESPOND    BIT(6)
2793 #define S1G_CAP8_PV1_FRAME  BIT(7)
2794 
2795 #define S1G_CAP9_LINK_ADAPT_PER_CONTROL_RESPONSE BIT(0)
2796 
2797 #define S1G_OPER_CH_WIDTH_PRIMARY_1MHZ  BIT(0)
2798 #define S1G_OPER_CH_WIDTH_OPER      GENMASK(4, 1)
2799 
2800 /* EHT MAC capabilities as defined in P802.11be_D2.0 section 9.4.2.313.2 */
2801 #define IEEE80211_EHT_MAC_CAP0_EPCS_PRIO_ACCESS         0x01
2802 #define IEEE80211_EHT_MAC_CAP0_OM_CONTROL           0x02
2803 #define IEEE80211_EHT_MAC_CAP0_TRIG_TXOP_SHARING_MODE1      0x04
2804 #define IEEE80211_EHT_MAC_CAP0_TRIG_TXOP_SHARING_MODE2      0x08
2805 #define IEEE80211_EHT_MAC_CAP0_RESTRICTED_TWT           0x10
2806 #define IEEE80211_EHT_MAC_CAP0_SCS_TRAFFIC_DESC         0x20
2807 #define IEEE80211_EHT_MAC_CAP0_MAX_MPDU_LEN_MASK        0xc0
2808 #define IEEE80211_EHT_MAC_CAP0_MAX_MPDU_LEN_3895            0
2809 #define IEEE80211_EHT_MAC_CAP0_MAX_MPDU_LEN_7991            1
2810 #define IEEE80211_EHT_MAC_CAP0_MAX_MPDU_LEN_11454           2
2811 
2812 #define IEEE80211_EHT_MAC_CAP1_MAX_AMPDU_LEN_MASK       0x01
2813 
2814 /* EHT PHY capabilities as defined in P802.11be_D2.0 section 9.4.2.313.3 */
2815 #define IEEE80211_EHT_PHY_CAP0_320MHZ_IN_6GHZ           0x02
2816 #define IEEE80211_EHT_PHY_CAP0_242_TONE_RU_GT20MHZ      0x04
2817 #define IEEE80211_EHT_PHY_CAP0_NDP_4_EHT_LFT_32_GI      0x08
2818 #define IEEE80211_EHT_PHY_CAP0_PARTIAL_BW_UL_MU_MIMO        0x10
2819 #define IEEE80211_EHT_PHY_CAP0_SU_BEAMFORMER            0x20
2820 #define IEEE80211_EHT_PHY_CAP0_SU_BEAMFORMEE            0x40
2821 
2822 /* EHT beamformee number of spatial streams <= 80MHz is split */
2823 #define IEEE80211_EHT_PHY_CAP0_BEAMFORMEE_SS_80MHZ_MASK     0x80
2824 #define IEEE80211_EHT_PHY_CAP1_BEAMFORMEE_SS_80MHZ_MASK     0x03
2825 
2826 #define IEEE80211_EHT_PHY_CAP1_BEAMFORMEE_SS_160MHZ_MASK    0x1c
2827 #define IEEE80211_EHT_PHY_CAP1_BEAMFORMEE_SS_320MHZ_MASK    0xe0
2828 
2829 #define IEEE80211_EHT_PHY_CAP2_SOUNDING_DIM_80MHZ_MASK      0x07
2830 #define IEEE80211_EHT_PHY_CAP2_SOUNDING_DIM_160MHZ_MASK     0x38
2831 
2832 /* EHT number of sounding dimensions for 320MHz is split */
2833 #define IEEE80211_EHT_PHY_CAP2_SOUNDING_DIM_320MHZ_MASK     0xc0
2834 #define IEEE80211_EHT_PHY_CAP3_SOUNDING_DIM_320MHZ_MASK     0x01
2835 #define IEEE80211_EHT_PHY_CAP3_NG_16_SU_FEEDBACK        0x02
2836 #define IEEE80211_EHT_PHY_CAP3_NG_16_MU_FEEDBACK        0x04
2837 #define IEEE80211_EHT_PHY_CAP3_CODEBOOK_4_2_SU_FDBK     0x08
2838 #define IEEE80211_EHT_PHY_CAP3_CODEBOOK_7_5_MU_FDBK     0x10
2839 #define IEEE80211_EHT_PHY_CAP3_TRIG_SU_BF_FDBK          0x20
2840 #define IEEE80211_EHT_PHY_CAP3_TRIG_MU_BF_PART_BW_FDBK      0x40
2841 #define IEEE80211_EHT_PHY_CAP3_TRIG_CQI_FDBK            0x80
2842 
2843 #define IEEE80211_EHT_PHY_CAP4_PART_BW_DL_MU_MIMO       0x01
2844 #define IEEE80211_EHT_PHY_CAP4_PSR_SR_SUPP          0x02
2845 #define IEEE80211_EHT_PHY_CAP4_POWER_BOOST_FACT_SUPP        0x04
2846 #define IEEE80211_EHT_PHY_CAP4_EHT_MU_PPDU_4_EHT_LTF_08_GI  0x08
2847 #define IEEE80211_EHT_PHY_CAP4_MAX_NC_MASK          0xf0
2848 
2849 #define IEEE80211_EHT_PHY_CAP5_NON_TRIG_CQI_FEEDBACK        0x01
2850 #define IEEE80211_EHT_PHY_CAP5_TX_LESS_242_TONE_RU_SUPP     0x02
2851 #define IEEE80211_EHT_PHY_CAP5_RX_LESS_242_TONE_RU_SUPP     0x04
2852 #define IEEE80211_EHT_PHY_CAP5_PPE_THRESHOLD_PRESENT        0x08
2853 #define IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_MASK  0x30
2854 #define   IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_0US 0
2855 #define   IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_8US 1
2856 #define   IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_16US    2
2857 #define   IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_20US    3
2858 
2859 /* Maximum number of supported EHT LTF is split */
2860 #define IEEE80211_EHT_PHY_CAP5_MAX_NUM_SUPP_EHT_LTF_MASK    0xc0
2861 #define IEEE80211_EHT_PHY_CAP6_MAX_NUM_SUPP_EHT_LTF_MASK    0x07
2862 
2863 #define IEEE80211_EHT_PHY_CAP6_MCS15_SUPP_MASK          0x78
2864 #define IEEE80211_EHT_PHY_CAP6_EHT_DUP_6GHZ_SUPP        0x80
2865 
2866 #define IEEE80211_EHT_PHY_CAP7_20MHZ_STA_RX_NDP_WIDER_BW    0x01
2867 #define IEEE80211_EHT_PHY_CAP7_NON_OFDMA_UL_MU_MIMO_80MHZ   0x02
2868 #define IEEE80211_EHT_PHY_CAP7_NON_OFDMA_UL_MU_MIMO_160MHZ  0x04
2869 #define IEEE80211_EHT_PHY_CAP7_NON_OFDMA_UL_MU_MIMO_320MHZ  0x08
2870 #define IEEE80211_EHT_PHY_CAP7_MU_BEAMFORMER_80MHZ      0x10
2871 #define IEEE80211_EHT_PHY_CAP7_MU_BEAMFORMER_160MHZ     0x20
2872 #define IEEE80211_EHT_PHY_CAP7_MU_BEAMFORMER_320MHZ     0x40
2873 #define IEEE80211_EHT_PHY_CAP7_TB_SOUNDING_FDBK_RATE_LIMIT  0x80
2874 
2875 #define IEEE80211_EHT_PHY_CAP8_RX_1024QAM_WIDER_BW_DL_OFDMA 0x01
2876 #define IEEE80211_EHT_PHY_CAP8_RX_4096QAM_WIDER_BW_DL_OFDMA 0x02
2877 
2878 /*
2879  * EHT operation channel width as defined in P802.11be_D2.0 section 9.4.2.311
2880  */
2881 #define IEEE80211_EHT_OPER_CHAN_WIDTH       0x7
2882 #define IEEE80211_EHT_OPER_CHAN_WIDTH_20MHZ 0
2883 #define IEEE80211_EHT_OPER_CHAN_WIDTH_40MHZ 1
2884 #define IEEE80211_EHT_OPER_CHAN_WIDTH_80MHZ 2
2885 #define IEEE80211_EHT_OPER_CHAN_WIDTH_160MHZ    3
2886 #define IEEE80211_EHT_OPER_CHAN_WIDTH_320MHZ    4
2887 
2888 /* Calculate 802.11be EHT capabilities IE Tx/Rx EHT MCS NSS Support Field size */
2889 static inline u8
2890 ieee80211_eht_mcs_nss_size(const struct ieee80211_he_cap_elem *he_cap,
2891                const struct ieee80211_eht_cap_elem_fixed *eht_cap)
2892 {
2893     u8 count = 0;
2894 
2895     /* on 2.4 GHz, if it supports 40 MHz, the result is 3 */
2896     if (he_cap->phy_cap_info[0] &
2897         IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G)
2898         return 3;
2899 
2900     /* on 2.4 GHz, these three bits are reserved, so should be 0 */
2901     if (he_cap->phy_cap_info[0] &
2902         IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_80MHZ_IN_5G)
2903         count += 3;
2904 
2905     if (he_cap->phy_cap_info[0] &
2906         IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G)
2907         count += 3;
2908 
2909     if (eht_cap->phy_cap_info[0] & IEEE80211_EHT_PHY_CAP0_320MHZ_IN_6GHZ)
2910         count += 3;
2911 
2912     return count ? count : 4;
2913 }
2914 
2915 /* 802.11be EHT PPE Thresholds */
2916 #define IEEE80211_EHT_PPE_THRES_NSS_POS         0
2917 #define IEEE80211_EHT_PPE_THRES_NSS_MASK        0xf
2918 #define IEEE80211_EHT_PPE_THRES_RU_INDEX_BITMASK_MASK   0x1f0
2919 #define IEEE80211_EHT_PPE_THRES_INFO_PPET_SIZE      3
2920 #define IEEE80211_EHT_PPE_THRES_INFO_HEADER_SIZE    9
2921 
2922 /*
2923  * Calculate 802.11be EHT capabilities IE EHT field size
2924  */
2925 static inline u8
2926 ieee80211_eht_ppe_size(u16 ppe_thres_hdr, const u8 *phy_cap_info)
2927 {
2928     u32 n;
2929 
2930     if (!(phy_cap_info[5] &
2931           IEEE80211_EHT_PHY_CAP5_PPE_THRESHOLD_PRESENT))
2932         return 0;
2933 
2934     n = hweight16(ppe_thres_hdr &
2935               IEEE80211_EHT_PPE_THRES_RU_INDEX_BITMASK_MASK);
2936     n *= 1 + u16_get_bits(ppe_thres_hdr, IEEE80211_EHT_PPE_THRES_NSS_MASK);
2937 
2938     /*
2939      * Each pair is 6 bits, and we need to add the 9 "header" bits to the
2940      * total size.
2941      */
2942     n = n * IEEE80211_EHT_PPE_THRES_INFO_PPET_SIZE * 2 +
2943         IEEE80211_EHT_PPE_THRES_INFO_HEADER_SIZE;
2944     return DIV_ROUND_UP(n, 8);
2945 }
2946 
2947 static inline bool
2948 ieee80211_eht_capa_size_ok(const u8 *he_capa, const u8 *data, u8 len)
2949 {
2950     const struct ieee80211_eht_cap_elem_fixed *elem = (const void *)data;
2951     u8 needed = sizeof(struct ieee80211_eht_cap_elem_fixed);
2952 
2953     if (len < needed || !he_capa)
2954         return false;
2955 
2956     needed += ieee80211_eht_mcs_nss_size((const void *)he_capa,
2957                          (const void *)data);
2958     if (len < needed)
2959         return false;
2960 
2961     if (elem->phy_cap_info[5] &
2962             IEEE80211_EHT_PHY_CAP5_PPE_THRESHOLD_PRESENT) {
2963         u16 ppe_thres_hdr;
2964 
2965         if (len < needed + sizeof(ppe_thres_hdr))
2966             return false;
2967 
2968         ppe_thres_hdr = get_unaligned_le16(data + needed);
2969         needed += ieee80211_eht_ppe_size(ppe_thres_hdr,
2970                          elem->phy_cap_info);
2971     }
2972 
2973     return len >= needed;
2974 }
2975 
2976 static inline bool
2977 ieee80211_eht_oper_size_ok(const u8 *data, u8 len)
2978 {
2979     const struct ieee80211_eht_operation *elem = (const void *)data;
2980     u8 needed = sizeof(*elem);
2981 
2982     if (len < needed)
2983         return false;
2984 
2985     if (elem->params & IEEE80211_EHT_OPER_INFO_PRESENT) {
2986         needed += 3;
2987 
2988         if (elem->params &
2989             IEEE80211_EHT_OPER_DISABLED_SUBCHANNEL_BITMAP_PRESENT)
2990             needed += 2;
2991     }
2992 
2993     return len >= needed;
2994 }
2995 
2996 #define LISTEN_INT_USF  GENMASK(15, 14)
2997 #define LISTEN_INT_UI   GENMASK(13, 0)
2998 
2999 #define IEEE80211_MAX_USF   FIELD_MAX(LISTEN_INT_USF)
3000 #define IEEE80211_MAX_UI    FIELD_MAX(LISTEN_INT_UI)
3001 
3002 /* Authentication algorithms */
3003 #define WLAN_AUTH_OPEN 0
3004 #define WLAN_AUTH_SHARED_KEY 1
3005 #define WLAN_AUTH_FT 2
3006 #define WLAN_AUTH_SAE 3
3007 #define WLAN_AUTH_FILS_SK 4
3008 #define WLAN_AUTH_FILS_SK_PFS 5
3009 #define WLAN_AUTH_FILS_PK 6
3010 #define WLAN_AUTH_LEAP 128
3011 
3012 #define WLAN_AUTH_CHALLENGE_LEN 128
3013 
3014 #define WLAN_CAPABILITY_ESS     (1<<0)
3015 #define WLAN_CAPABILITY_IBSS        (1<<1)
3016 
3017 /*
3018  * A mesh STA sets the ESS and IBSS capability bits to zero.
3019  * however, this holds true for p2p probe responses (in the p2p_find
3020  * phase) as well.
3021  */
3022 #define WLAN_CAPABILITY_IS_STA_BSS(cap) \
3023     (!((cap) & (WLAN_CAPABILITY_ESS | WLAN_CAPABILITY_IBSS)))
3024 
3025 #define WLAN_CAPABILITY_CF_POLLABLE (1<<2)
3026 #define WLAN_CAPABILITY_CF_POLL_REQUEST (1<<3)
3027 #define WLAN_CAPABILITY_PRIVACY     (1<<4)
3028 #define WLAN_CAPABILITY_SHORT_PREAMBLE  (1<<5)
3029 #define WLAN_CAPABILITY_PBCC        (1<<6)
3030 #define WLAN_CAPABILITY_CHANNEL_AGILITY (1<<7)
3031 
3032 /* 802.11h */
3033 #define WLAN_CAPABILITY_SPECTRUM_MGMT   (1<<8)
3034 #define WLAN_CAPABILITY_QOS     (1<<9)
3035 #define WLAN_CAPABILITY_SHORT_SLOT_TIME (1<<10)
3036 #define WLAN_CAPABILITY_APSD        (1<<11)
3037 #define WLAN_CAPABILITY_RADIO_MEASURE   (1<<12)
3038 #define WLAN_CAPABILITY_DSSS_OFDM   (1<<13)
3039 #define WLAN_CAPABILITY_DEL_BACK    (1<<14)
3040 #define WLAN_CAPABILITY_IMM_BACK    (1<<15)
3041 
3042 /* DMG (60gHz) 802.11ad */
3043 /* type - bits 0..1 */
3044 #define WLAN_CAPABILITY_DMG_TYPE_MASK       (3<<0)
3045 #define WLAN_CAPABILITY_DMG_TYPE_IBSS       (1<<0) /* Tx by: STA */
3046 #define WLAN_CAPABILITY_DMG_TYPE_PBSS       (2<<0) /* Tx by: PCP */
3047 #define WLAN_CAPABILITY_DMG_TYPE_AP     (3<<0) /* Tx by: AP */
3048 
3049 #define WLAN_CAPABILITY_DMG_CBAP_ONLY       (1<<2)
3050 #define WLAN_CAPABILITY_DMG_CBAP_SOURCE     (1<<3)
3051 #define WLAN_CAPABILITY_DMG_PRIVACY     (1<<4)
3052 #define WLAN_CAPABILITY_DMG_ECPAC       (1<<5)
3053 
3054 #define WLAN_CAPABILITY_DMG_SPECTRUM_MGMT   (1<<8)
3055 #define WLAN_CAPABILITY_DMG_RADIO_MEASURE   (1<<12)
3056 
3057 /* measurement */
3058 #define IEEE80211_SPCT_MSR_RPRT_MODE_LATE   (1<<0)
3059 #define IEEE80211_SPCT_MSR_RPRT_MODE_INCAPABLE  (1<<1)
3060 #define IEEE80211_SPCT_MSR_RPRT_MODE_REFUSED    (1<<2)
3061 
3062 #define IEEE80211_SPCT_MSR_RPRT_TYPE_BASIC  0
3063 #define IEEE80211_SPCT_MSR_RPRT_TYPE_CCA    1
3064 #define IEEE80211_SPCT_MSR_RPRT_TYPE_RPI    2
3065 #define IEEE80211_SPCT_MSR_RPRT_TYPE_LCI    8
3066 #define IEEE80211_SPCT_MSR_RPRT_TYPE_CIVIC  11
3067 
3068 /* 802.11g ERP information element */
3069 #define WLAN_ERP_NON_ERP_PRESENT (1<<0)
3070 #define WLAN_ERP_USE_PROTECTION (1<<1)
3071 #define WLAN_ERP_BARKER_PREAMBLE (1<<2)
3072 
3073 /* WLAN_ERP_BARKER_PREAMBLE values */
3074 enum {
3075     WLAN_ERP_PREAMBLE_SHORT = 0,
3076     WLAN_ERP_PREAMBLE_LONG = 1,
3077 };
3078 
3079 /* Band ID, 802.11ad #8.4.1.45 */
3080 enum {
3081     IEEE80211_BANDID_TV_WS = 0, /* TV white spaces */
3082     IEEE80211_BANDID_SUB1  = 1, /* Sub-1 GHz (excluding TV white spaces) */
3083     IEEE80211_BANDID_2G    = 2, /* 2.4 GHz */
3084     IEEE80211_BANDID_3G    = 3, /* 3.6 GHz */
3085     IEEE80211_BANDID_5G    = 4, /* 4.9 and 5 GHz */
3086     IEEE80211_BANDID_60G   = 5, /* 60 GHz */
3087 };
3088 
3089 /* Status codes */
3090 enum ieee80211_statuscode {
3091     WLAN_STATUS_SUCCESS = 0,
3092     WLAN_STATUS_UNSPECIFIED_FAILURE = 1,
3093     WLAN_STATUS_CAPS_UNSUPPORTED = 10,
3094     WLAN_STATUS_REASSOC_NO_ASSOC = 11,
3095     WLAN_STATUS_ASSOC_DENIED_UNSPEC = 12,
3096     WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG = 13,
3097     WLAN_STATUS_UNKNOWN_AUTH_TRANSACTION = 14,
3098     WLAN_STATUS_CHALLENGE_FAIL = 15,
3099     WLAN_STATUS_AUTH_TIMEOUT = 16,
3100     WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA = 17,
3101     WLAN_STATUS_ASSOC_DENIED_RATES = 18,
3102     /* 802.11b */
3103     WLAN_STATUS_ASSOC_DENIED_NOSHORTPREAMBLE = 19,
3104     WLAN_STATUS_ASSOC_DENIED_NOPBCC = 20,
3105     WLAN_STATUS_ASSOC_DENIED_NOAGILITY = 21,
3106     /* 802.11h */
3107     WLAN_STATUS_ASSOC_DENIED_NOSPECTRUM = 22,
3108     WLAN_STATUS_ASSOC_REJECTED_BAD_POWER = 23,
3109     WLAN_STATUS_ASSOC_REJECTED_BAD_SUPP_CHAN = 24,
3110     /* 802.11g */
3111     WLAN_STATUS_ASSOC_DENIED_NOSHORTTIME = 25,
3112     WLAN_STATUS_ASSOC_DENIED_NODSSSOFDM = 26,
3113     /* 802.11w */
3114     WLAN_STATUS_ASSOC_REJECTED_TEMPORARILY = 30,
3115     WLAN_STATUS_ROBUST_MGMT_FRAME_POLICY_VIOLATION = 31,
3116     /* 802.11i */
3117     WLAN_STATUS_INVALID_IE = 40,
3118     WLAN_STATUS_INVALID_GROUP_CIPHER = 41,
3119     WLAN_STATUS_INVALID_PAIRWISE_CIPHER = 42,
3120     WLAN_STATUS_INVALID_AKMP = 43,
3121     WLAN_STATUS_UNSUPP_RSN_VERSION = 44,
3122     WLAN_STATUS_INVALID_RSN_IE_CAP = 45,
3123     WLAN_STATUS_CIPHER_SUITE_REJECTED = 46,
3124     /* 802.11e */
3125     WLAN_STATUS_UNSPECIFIED_QOS = 32,
3126     WLAN_STATUS_ASSOC_DENIED_NOBANDWIDTH = 33,
3127     WLAN_STATUS_ASSOC_DENIED_LOWACK = 34,
3128     WLAN_STATUS_ASSOC_DENIED_UNSUPP_QOS = 35,
3129     WLAN_STATUS_REQUEST_DECLINED = 37,
3130     WLAN_STATUS_INVALID_QOS_PARAM = 38,
3131     WLAN_STATUS_CHANGE_TSPEC = 39,
3132     WLAN_STATUS_WAIT_TS_DELAY = 47,
3133     WLAN_STATUS_NO_DIRECT_LINK = 48,
3134     WLAN_STATUS_STA_NOT_PRESENT = 49,
3135     WLAN_STATUS_STA_NOT_QSTA = 50,
3136     /* 802.11s */
3137     WLAN_STATUS_ANTI_CLOG_REQUIRED = 76,
3138     WLAN_STATUS_FCG_NOT_SUPP = 78,
3139     WLAN_STATUS_STA_NO_TBTT = 78,
3140     /* 802.11ad */
3141     WLAN_STATUS_REJECTED_WITH_SUGGESTED_CHANGES = 39,
3142     WLAN_STATUS_REJECTED_FOR_DELAY_PERIOD = 47,
3143     WLAN_STATUS_REJECT_WITH_SCHEDULE = 83,
3144     WLAN_STATUS_PENDING_ADMITTING_FST_SESSION = 86,
3145     WLAN_STATUS_PERFORMING_FST_NOW = 87,
3146     WLAN_STATUS_PENDING_GAP_IN_BA_WINDOW = 88,
3147     WLAN_STATUS_REJECT_U_PID_SETTING = 89,
3148     WLAN_STATUS_REJECT_DSE_BAND = 96,
3149     WLAN_STATUS_DENIED_WITH_SUGGESTED_BAND_AND_CHANNEL = 99,
3150     WLAN_STATUS_DENIED_DUE_TO_SPECTRUM_MANAGEMENT = 103,
3151     /* 802.11ai */
3152     WLAN_STATUS_FILS_AUTHENTICATION_FAILURE = 108,
3153     WLAN_STATUS_UNKNOWN_AUTHENTICATION_SERVER = 109,
3154     WLAN_STATUS_SAE_HASH_TO_ELEMENT = 126,
3155     WLAN_STATUS_SAE_PK = 127,
3156 };
3157 
3158 
3159 /* Reason codes */
3160 enum ieee80211_reasoncode {
3161     WLAN_REASON_UNSPECIFIED = 1,
3162     WLAN_REASON_PREV_AUTH_NOT_VALID = 2,
3163     WLAN_REASON_DEAUTH_LEAVING = 3,
3164     WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY = 4,
3165     WLAN_REASON_DISASSOC_AP_BUSY = 5,
3166     WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA = 6,
3167     WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA = 7,
3168     WLAN_REASON_DISASSOC_STA_HAS_LEFT = 8,
3169     WLAN_REASON_STA_REQ_ASSOC_WITHOUT_AUTH = 9,
3170     /* 802.11h */
3171     WLAN_REASON_DISASSOC_BAD_POWER = 10,
3172     WLAN_REASON_DISASSOC_BAD_SUPP_CHAN = 11,
3173     /* 802.11i */
3174     WLAN_REASON_INVALID_IE = 13,
3175     WLAN_REASON_MIC_FAILURE = 14,
3176     WLAN_REASON_4WAY_HANDSHAKE_TIMEOUT = 15,
3177     WLAN_REASON_GROUP_KEY_HANDSHAKE_TIMEOUT = 16,
3178     WLAN_REASON_IE_DIFFERENT = 17,
3179     WLAN_REASON_INVALID_GROUP_CIPHER = 18,
3180     WLAN_REASON_INVALID_PAIRWISE_CIPHER = 19,
3181     WLAN_REASON_INVALID_AKMP = 20,
3182     WLAN_REASON_UNSUPP_RSN_VERSION = 21,
3183     WLAN_REASON_INVALID_RSN_IE_CAP = 22,
3184     WLAN_REASON_IEEE8021X_FAILED = 23,
3185     WLAN_REASON_CIPHER_SUITE_REJECTED = 24,
3186     /* TDLS (802.11z) */
3187     WLAN_REASON_TDLS_TEARDOWN_UNREACHABLE = 25,
3188     WLAN_REASON_TDLS_TEARDOWN_UNSPECIFIED = 26,
3189     /* 802.11e */
3190     WLAN_REASON_DISASSOC_UNSPECIFIED_QOS = 32,
3191     WLAN_REASON_DISASSOC_QAP_NO_BANDWIDTH = 33,
3192     WLAN_REASON_DISASSOC_LOW_ACK = 34,
3193     WLAN_REASON_DISASSOC_QAP_EXCEED_TXOP = 35,
3194     WLAN_REASON_QSTA_LEAVE_QBSS = 36,
3195     WLAN_REASON_QSTA_NOT_USE = 37,
3196     WLAN_REASON_QSTA_REQUIRE_SETUP = 38,
3197     WLAN_REASON_QSTA_TIMEOUT = 39,
3198     WLAN_REASON_QSTA_CIPHER_NOT_SUPP = 45,
3199     /* 802.11s */
3200     WLAN_REASON_MESH_PEER_CANCELED = 52,
3201     WLAN_REASON_MESH_MAX_PEERS = 53,
3202     WLAN_REASON_MESH_CONFIG = 54,
3203     WLAN_REASON_MESH_CLOSE = 55,
3204     WLAN_REASON_MESH_MAX_RETRIES = 56,
3205     WLAN_REASON_MESH_CONFIRM_TIMEOUT = 57,
3206     WLAN_REASON_MESH_INVALID_GTK = 58,
3207     WLAN_REASON_MESH_INCONSISTENT_PARAM = 59,
3208     WLAN_REASON_MESH_INVALID_SECURITY = 60,
3209     WLAN_REASON_MESH_PATH_ERROR = 61,
3210     WLAN_REASON_MESH_PATH_NOFORWARD = 62,
3211     WLAN_REASON_MESH_PATH_DEST_UNREACHABLE = 63,
3212     WLAN_REASON_MAC_EXISTS_IN_MBSS = 64,
3213     WLAN_REASON_MESH_CHAN_REGULATORY = 65,
3214     WLAN_REASON_MESH_CHAN = 66,
3215 };
3216 
3217 
3218 /* Information Element IDs */
3219 enum ieee80211_eid {
3220     WLAN_EID_SSID = 0,
3221     WLAN_EID_SUPP_RATES = 1,
3222     WLAN_EID_FH_PARAMS = 2, /* reserved now */
3223     WLAN_EID_DS_PARAMS = 3,
3224     WLAN_EID_CF_PARAMS = 4,
3225     WLAN_EID_TIM = 5,
3226     WLAN_EID_IBSS_PARAMS = 6,
3227     WLAN_EID_COUNTRY = 7,
3228     /* 8, 9 reserved */
3229     WLAN_EID_REQUEST = 10,
3230     WLAN_EID_QBSS_LOAD = 11,
3231     WLAN_EID_EDCA_PARAM_SET = 12,
3232     WLAN_EID_TSPEC = 13,
3233     WLAN_EID_TCLAS = 14,
3234     WLAN_EID_SCHEDULE = 15,
3235     WLAN_EID_CHALLENGE = 16,
3236     /* 17-31 reserved for challenge text extension */
3237     WLAN_EID_PWR_CONSTRAINT = 32,
3238     WLAN_EID_PWR_CAPABILITY = 33,
3239     WLAN_EID_TPC_REQUEST = 34,
3240     WLAN_EID_TPC_REPORT = 35,
3241     WLAN_EID_SUPPORTED_CHANNELS = 36,
3242     WLAN_EID_CHANNEL_SWITCH = 37,
3243     WLAN_EID_MEASURE_REQUEST = 38,
3244     WLAN_EID_MEASURE_REPORT = 39,
3245     WLAN_EID_QUIET = 40,
3246     WLAN_EID_IBSS_DFS = 41,
3247     WLAN_EID_ERP_INFO = 42,
3248     WLAN_EID_TS_DELAY = 43,
3249     WLAN_EID_TCLAS_PROCESSING = 44,
3250     WLAN_EID_HT_CAPABILITY = 45,
3251     WLAN_EID_QOS_CAPA = 46,
3252     /* 47 reserved for Broadcom */
3253     WLAN_EID_RSN = 48,
3254     WLAN_EID_802_15_COEX = 49,
3255     WLAN_EID_EXT_SUPP_RATES = 50,
3256     WLAN_EID_AP_CHAN_REPORT = 51,
3257     WLAN_EID_NEIGHBOR_REPORT = 52,
3258     WLAN_EID_RCPI = 53,
3259     WLAN_EID_MOBILITY_DOMAIN = 54,
3260     WLAN_EID_FAST_BSS_TRANSITION = 55,
3261     WLAN_EID_TIMEOUT_INTERVAL = 56,
3262     WLAN_EID_RIC_DATA = 57,
3263     WLAN_EID_DSE_REGISTERED_LOCATION = 58,
3264     WLAN_EID_SUPPORTED_REGULATORY_CLASSES = 59,
3265     WLAN_EID_EXT_CHANSWITCH_ANN = 60,
3266     WLAN_EID_HT_OPERATION = 61,
3267     WLAN_EID_SECONDARY_CHANNEL_OFFSET = 62,
3268     WLAN_EID_BSS_AVG_ACCESS_DELAY = 63,
3269     WLAN_EID_ANTENNA_INFO = 64,
3270     WLAN_EID_RSNI = 65,
3271     WLAN_EID_MEASUREMENT_PILOT_TX_INFO = 66,
3272     WLAN_EID_BSS_AVAILABLE_CAPACITY = 67,
3273     WLAN_EID_BSS_AC_ACCESS_DELAY = 68,
3274     WLAN_EID_TIME_ADVERTISEMENT = 69,
3275     WLAN_EID_RRM_ENABLED_CAPABILITIES = 70,
3276     WLAN_EID_MULTIPLE_BSSID = 71,
3277     WLAN_EID_BSS_COEX_2040 = 72,
3278     WLAN_EID_BSS_INTOLERANT_CHL_REPORT = 73,
3279     WLAN_EID_OVERLAP_BSS_SCAN_PARAM = 74,
3280     WLAN_EID_RIC_DESCRIPTOR = 75,
3281     WLAN_EID_MMIE = 76,
3282     WLAN_EID_ASSOC_COMEBACK_TIME = 77,
3283     WLAN_EID_EVENT_REQUEST = 78,
3284     WLAN_EID_EVENT_REPORT = 79,
3285     WLAN_EID_DIAGNOSTIC_REQUEST = 80,
3286     WLAN_EID_DIAGNOSTIC_REPORT = 81,
3287     WLAN_EID_LOCATION_PARAMS = 82,
3288     WLAN_EID_NON_TX_BSSID_CAP =  83,
3289     WLAN_EID_SSID_LIST = 84,
3290     WLAN_EID_MULTI_BSSID_IDX = 85,
3291     WLAN_EID_FMS_DESCRIPTOR = 86,
3292     WLAN_EID_FMS_REQUEST = 87,
3293     WLAN_EID_FMS_RESPONSE = 88,
3294     WLAN_EID_QOS_TRAFFIC_CAPA = 89,
3295     WLAN_EID_BSS_MAX_IDLE_PERIOD = 90,
3296     WLAN_EID_TSF_REQUEST = 91,
3297     WLAN_EID_TSF_RESPOSNE = 92,
3298     WLAN_EID_WNM_SLEEP_MODE = 93,
3299     WLAN_EID_TIM_BCAST_REQ = 94,
3300     WLAN_EID_TIM_BCAST_RESP = 95,
3301     WLAN_EID_COLL_IF_REPORT = 96,
3302     WLAN_EID_CHANNEL_USAGE = 97,
3303     WLAN_EID_TIME_ZONE = 98,
3304     WLAN_EID_DMS_REQUEST = 99,
3305     WLAN_EID_DMS_RESPONSE = 100,
3306     WLAN_EID_LINK_ID = 101,
3307     WLAN_EID_WAKEUP_SCHEDUL = 102,
3308     /* 103 reserved */
3309     WLAN_EID_CHAN_SWITCH_TIMING = 104,
3310     WLAN_EID_PTI_CONTROL = 105,
3311     WLAN_EID_PU_BUFFER_STATUS = 106,
3312     WLAN_EID_INTERWORKING = 107,
3313     WLAN_EID_ADVERTISEMENT_PROTOCOL = 108,
3314     WLAN_EID_EXPEDITED_BW_REQ = 109,
3315     WLAN_EID_QOS_MAP_SET = 110,
3316     WLAN_EID_ROAMING_CONSORTIUM = 111,
3317     WLAN_EID_EMERGENCY_ALERT = 112,
3318     WLAN_EID_MESH_CONFIG = 113,
3319     WLAN_EID_MESH_ID = 114,
3320     WLAN_EID_LINK_METRIC_REPORT = 115,
3321     WLAN_EID_CONGESTION_NOTIFICATION = 116,
3322     WLAN_EID_PEER_MGMT = 117,
3323     WLAN_EID_CHAN_SWITCH_PARAM = 118,
3324     WLAN_EID_MESH_AWAKE_WINDOW = 119,
3325     WLAN_EID_BEACON_TIMING = 120,
3326     WLAN_EID_MCCAOP_SETUP_REQ = 121,
3327     WLAN_EID_MCCAOP_SETUP_RESP = 122,
3328     WLAN_EID_MCCAOP_ADVERT = 123,
3329     WLAN_EID_MCCAOP_TEARDOWN = 124,
3330     WLAN_EID_GANN = 125,
3331     WLAN_EID_RANN = 126,
3332     WLAN_EID_EXT_CAPABILITY = 127,
3333     /* 128, 129 reserved for Agere */
3334     WLAN_EID_PREQ = 130,
3335     WLAN_EID_PREP = 131,
3336     WLAN_EID_PERR = 132,
3337     /* 133-136 reserved for Cisco */
3338     WLAN_EID_PXU = 137,
3339     WLAN_EID_PXUC = 138,
3340     WLAN_EID_AUTH_MESH_PEER_EXCH = 139,
3341     WLAN_EID_MIC = 140,
3342     WLAN_EID_DESTINATION_URI = 141,
3343     WLAN_EID_UAPSD_COEX = 142,
3344     WLAN_EID_WAKEUP_SCHEDULE = 143,
3345     WLAN_EID_EXT_SCHEDULE = 144,
3346     WLAN_EID_STA_AVAILABILITY = 145,
3347     WLAN_EID_DMG_TSPEC = 146,
3348     WLAN_EID_DMG_AT = 147,
3349     WLAN_EID_DMG_CAP = 148,
3350     /* 149 reserved for Cisco */
3351     WLAN_EID_CISCO_VENDOR_SPECIFIC = 150,
3352     WLAN_EID_DMG_OPERATION = 151,
3353     WLAN_EID_DMG_BSS_PARAM_CHANGE = 152,
3354     WLAN_EID_DMG_BEAM_REFINEMENT = 153,
3355     WLAN_EID_CHANNEL_MEASURE_FEEDBACK = 154,
3356     /* 155-156 reserved for Cisco */
3357     WLAN_EID_AWAKE_WINDOW = 157,
3358     WLAN_EID_MULTI_BAND = 158,
3359     WLAN_EID_ADDBA_EXT = 159,
3360     WLAN_EID_NEXT_PCP_LIST = 160,
3361     WLAN_EID_PCP_HANDOVER = 161,
3362     WLAN_EID_DMG_LINK_MARGIN = 162,
3363     WLAN_EID_SWITCHING_STREAM = 163,
3364     WLAN_EID_SESSION_TRANSITION = 164,
3365     WLAN_EID_DYN_TONE_PAIRING_REPORT = 165,
3366     WLAN_EID_CLUSTER_REPORT = 166,
3367     WLAN_EID_RELAY_CAP = 167,
3368     WLAN_EID_RELAY_XFER_PARAM_SET = 168,
3369     WLAN_EID_BEAM_LINK_MAINT = 169,
3370     WLAN_EID_MULTIPLE_MAC_ADDR = 170,
3371     WLAN_EID_U_PID = 171,
3372     WLAN_EID_DMG_LINK_ADAPT_ACK = 172,
3373     /* 173 reserved for Symbol */
3374     WLAN_EID_MCCAOP_ADV_OVERVIEW = 174,
3375     WLAN_EID_QUIET_PERIOD_REQ = 175,
3376     /* 176 reserved for Symbol */
3377     WLAN_EID_QUIET_PERIOD_RESP = 177,
3378     /* 178-179 reserved for Symbol */
3379     /* 180 reserved for ISO/IEC 20011 */
3380     WLAN_EID_EPAC_POLICY = 182,
3381     WLAN_EID_CLISTER_TIME_OFF = 183,
3382     WLAN_EID_INTER_AC_PRIO = 184,
3383     WLAN_EID_SCS_DESCRIPTOR = 185,
3384     WLAN_EID_QLOAD_REPORT = 186,
3385     WLAN_EID_HCCA_TXOP_UPDATE_COUNT = 187,
3386     WLAN_EID_HL_STREAM_ID = 188,
3387     WLAN_EID_GCR_GROUP_ADDR = 189,
3388     WLAN_EID_ANTENNA_SECTOR_ID_PATTERN = 190,
3389     WLAN_EID_VHT_CAPABILITY = 191,
3390     WLAN_EID_VHT_OPERATION = 192,
3391     WLAN_EID_EXTENDED_BSS_LOAD = 193,
3392     WLAN_EID_WIDE_BW_CHANNEL_SWITCH = 194,
3393     WLAN_EID_TX_POWER_ENVELOPE = 195,
3394     WLAN_EID_CHANNEL_SWITCH_WRAPPER = 196,
3395     WLAN_EID_AID = 197,
3396     WLAN_EID_QUIET_CHANNEL = 198,
3397     WLAN_EID_OPMODE_NOTIF = 199,
3398 
3399     WLAN_EID_REDUCED_NEIGHBOR_REPORT = 201,
3400 
3401     WLAN_EID_AID_REQUEST = 210,
3402     WLAN_EID_AID_RESPONSE = 211,
3403     WLAN_EID_S1G_BCN_COMPAT = 213,
3404     WLAN_EID_S1G_SHORT_BCN_INTERVAL = 214,
3405     WLAN_EID_S1G_TWT = 216,
3406     WLAN_EID_S1G_CAPABILITIES = 217,
3407     WLAN_EID_VENDOR_SPECIFIC = 221,
3408     WLAN_EID_QOS_PARAMETER = 222,
3409     WLAN_EID_S1G_OPERATION = 232,
3410     WLAN_EID_CAG_NUMBER = 237,
3411     WLAN_EID_AP_CSN = 239,
3412     WLAN_EID_FILS_INDICATION = 240,
3413     WLAN_EID_DILS = 241,
3414     WLAN_EID_FRAGMENT = 242,
3415     WLAN_EID_RSNX = 244,
3416     WLAN_EID_EXTENSION = 255
3417 };
3418 
3419 /* Element ID Extensions for Element ID 255 */
3420 enum ieee80211_eid_ext {
3421     WLAN_EID_EXT_ASSOC_DELAY_INFO = 1,
3422     WLAN_EID_EXT_FILS_REQ_PARAMS = 2,
3423     WLAN_EID_EXT_FILS_KEY_CONFIRM = 3,
3424     WLAN_EID_EXT_FILS_SESSION = 4,
3425     WLAN_EID_EXT_FILS_HLP_CONTAINER = 5,
3426     WLAN_EID_EXT_FILS_IP_ADDR_ASSIGN = 6,
3427     WLAN_EID_EXT_KEY_DELIVERY = 7,
3428     WLAN_EID_EXT_FILS_WRAPPED_DATA = 8,
3429     WLAN_EID_EXT_FILS_PUBLIC_KEY = 12,
3430     WLAN_EID_EXT_FILS_NONCE = 13,
3431     WLAN_EID_EXT_FUTURE_CHAN_GUIDANCE = 14,
3432     WLAN_EID_EXT_HE_CAPABILITY = 35,
3433     WLAN_EID_EXT_HE_OPERATION = 36,
3434     WLAN_EID_EXT_UORA = 37,
3435     WLAN_EID_EXT_HE_MU_EDCA = 38,
3436     WLAN_EID_EXT_HE_SPR = 39,
3437     WLAN_EID_EXT_NDP_FEEDBACK_REPORT_PARAMSET = 41,
3438     WLAN_EID_EXT_BSS_COLOR_CHG_ANN = 42,
3439     WLAN_EID_EXT_QUIET_TIME_PERIOD_SETUP = 43,
3440     WLAN_EID_EXT_ESS_REPORT = 45,
3441     WLAN_EID_EXT_OPS = 46,
3442     WLAN_EID_EXT_HE_BSS_LOAD = 47,
3443     WLAN_EID_EXT_MAX_CHANNEL_SWITCH_TIME = 52,
3444     WLAN_EID_EXT_MULTIPLE_BSSID_CONFIGURATION = 55,
3445     WLAN_EID_EXT_NON_INHERITANCE = 56,
3446     WLAN_EID_EXT_KNOWN_BSSID = 57,
3447     WLAN_EID_EXT_SHORT_SSID_LIST = 58,
3448     WLAN_EID_EXT_HE_6GHZ_CAPA = 59,
3449     WLAN_EID_EXT_UL_MU_POWER_CAPA = 60,
3450     WLAN_EID_EXT_EHT_OPERATION = 106,
3451     WLAN_EID_EXT_EHT_MULTI_LINK = 107,
3452     WLAN_EID_EXT_EHT_CAPABILITY = 108,
3453 };
3454 
3455 /* Action category code */
3456 enum ieee80211_category {
3457     WLAN_CATEGORY_SPECTRUM_MGMT = 0,
3458     WLAN_CATEGORY_QOS = 1,
3459     WLAN_CATEGORY_DLS = 2,
3460     WLAN_CATEGORY_BACK = 3,
3461     WLAN_CATEGORY_PUBLIC = 4,
3462     WLAN_CATEGORY_RADIO_MEASUREMENT = 5,
3463     WLAN_CATEGORY_FAST_BBS_TRANSITION = 6,
3464     WLAN_CATEGORY_HT = 7,
3465     WLAN_CATEGORY_SA_QUERY = 8,
3466     WLAN_CATEGORY_PROTECTED_DUAL_OF_ACTION = 9,
3467     WLAN_CATEGORY_WNM = 10,
3468     WLAN_CATEGORY_WNM_UNPROTECTED = 11,
3469     WLAN_CATEGORY_TDLS = 12,
3470     WLAN_CATEGORY_MESH_ACTION = 13,
3471     WLAN_CATEGORY_MULTIHOP_ACTION = 14,
3472     WLAN_CATEGORY_SELF_PROTECTED = 15,
3473     WLAN_CATEGORY_DMG = 16,
3474     WLAN_CATEGORY_WMM = 17,
3475     WLAN_CATEGORY_FST = 18,
3476     WLAN_CATEGORY_UNPROT_DMG = 20,
3477     WLAN_CATEGORY_VHT = 21,
3478     WLAN_CATEGORY_S1G = 22,
3479     WLAN_CATEGORY_VENDOR_SPECIFIC_PROTECTED = 126,
3480     WLAN_CATEGORY_VENDOR_SPECIFIC = 127,
3481 };
3482 
3483 /* SPECTRUM_MGMT action code */
3484 enum ieee80211_spectrum_mgmt_actioncode {
3485     WLAN_ACTION_SPCT_MSR_REQ = 0,
3486     WLAN_ACTION_SPCT_MSR_RPRT = 1,
3487     WLAN_ACTION_SPCT_TPC_REQ = 2,
3488     WLAN_ACTION_SPCT_TPC_RPRT = 3,
3489     WLAN_ACTION_SPCT_CHL_SWITCH = 4,
3490 };
3491 
3492 /* HT action codes */
3493 enum ieee80211_ht_actioncode {
3494     WLAN_HT_ACTION_NOTIFY_CHANWIDTH = 0,
3495     WLAN_HT_ACTION_SMPS = 1,
3496     WLAN_HT_ACTION_PSMP = 2,
3497     WLAN_HT_ACTION_PCO_PHASE = 3,
3498     WLAN_HT_ACTION_CSI = 4,
3499     WLAN_HT_ACTION_NONCOMPRESSED_BF = 5,
3500     WLAN_HT_ACTION_COMPRESSED_BF = 6,
3501     WLAN_HT_ACTION_ASEL_IDX_FEEDBACK = 7,
3502 };
3503 
3504 /* VHT action codes */
3505 enum ieee80211_vht_actioncode {
3506     WLAN_VHT_ACTION_COMPRESSED_BF = 0,
3507     WLAN_VHT_ACTION_GROUPID_MGMT = 1,
3508     WLAN_VHT_ACTION_OPMODE_NOTIF = 2,
3509 };
3510 
3511 /* Self Protected Action codes */
3512 enum ieee80211_self_protected_actioncode {
3513     WLAN_SP_RESERVED = 0,
3514     WLAN_SP_MESH_PEERING_OPEN = 1,
3515     WLAN_SP_MESH_PEERING_CONFIRM = 2,
3516     WLAN_SP_MESH_PEERING_CLOSE = 3,
3517     WLAN_SP_MGK_INFORM = 4,
3518     WLAN_SP_MGK_ACK = 5,
3519 };
3520 
3521 /* Mesh action codes */
3522 enum ieee80211_mesh_actioncode {
3523     WLAN_MESH_ACTION_LINK_METRIC_REPORT,
3524     WLAN_MESH_ACTION_HWMP_PATH_SELECTION,
3525     WLAN_MESH_ACTION_GATE_ANNOUNCEMENT,
3526     WLAN_MESH_ACTION_CONGESTION_CONTROL_NOTIFICATION,
3527     WLAN_MESH_ACTION_MCCA_SETUP_REQUEST,
3528     WLAN_MESH_ACTION_MCCA_SETUP_REPLY,
3529     WLAN_MESH_ACTION_MCCA_ADVERTISEMENT_REQUEST,
3530     WLAN_MESH_ACTION_MCCA_ADVERTISEMENT,
3531     WLAN_MESH_ACTION_MCCA_TEARDOWN,
3532     WLAN_MESH_ACTION_TBTT_ADJUSTMENT_REQUEST,
3533     WLAN_MESH_ACTION_TBTT_ADJUSTMENT_RESPONSE,
3534 };
3535 
3536 /* Unprotected WNM action codes */
3537 enum ieee80211_unprotected_wnm_actioncode {
3538     WLAN_UNPROTECTED_WNM_ACTION_TIM = 0,
3539     WLAN_UNPROTECTED_WNM_ACTION_TIMING_MEASUREMENT_RESPONSE = 1,
3540 };
3541 
3542 /* Public action codes */
3543 enum ieee80211_public_actioncode {
3544     WLAN_PUBLIC_ACTION_FTM_RESPONSE = 33,
3545 };
3546 
3547 /* Security key length */
3548 enum ieee80211_key_len {
3549     WLAN_KEY_LEN_WEP40 = 5,
3550     WLAN_KEY_LEN_WEP104 = 13,
3551     WLAN_KEY_LEN_CCMP = 16,
3552     WLAN_KEY_LEN_CCMP_256 = 32,
3553     WLAN_KEY_LEN_TKIP = 32,
3554     WLAN_KEY_LEN_AES_CMAC = 16,
3555     WLAN_KEY_LEN_SMS4 = 32,
3556     WLAN_KEY_LEN_GCMP = 16,
3557     WLAN_KEY_LEN_GCMP_256 = 32,
3558     WLAN_KEY_LEN_BIP_CMAC_256 = 32,
3559     WLAN_KEY_LEN_BIP_GMAC_128 = 16,
3560     WLAN_KEY_LEN_BIP_GMAC_256 = 32,
3561 };
3562 
3563 enum ieee80211_s1g_actioncode {
3564     WLAN_S1G_AID_SWITCH_REQUEST,
3565     WLAN_S1G_AID_SWITCH_RESPONSE,
3566     WLAN_S1G_SYNC_CONTROL,
3567     WLAN_S1G_STA_INFO_ANNOUNCE,
3568     WLAN_S1G_EDCA_PARAM_SET,
3569     WLAN_S1G_EL_OPERATION,
3570     WLAN_S1G_TWT_SETUP,
3571     WLAN_S1G_TWT_TEARDOWN,
3572     WLAN_S1G_SECT_GROUP_ID_LIST,
3573     WLAN_S1G_SECT_ID_FEEDBACK,
3574     WLAN_S1G_TWT_INFORMATION = 11,
3575 };
3576 
3577 #define IEEE80211_WEP_IV_LEN        4
3578 #define IEEE80211_WEP_ICV_LEN       4
3579 #define IEEE80211_CCMP_HDR_LEN      8
3580 #define IEEE80211_CCMP_MIC_LEN      8
3581 #define IEEE80211_CCMP_PN_LEN       6
3582 #define IEEE80211_CCMP_256_HDR_LEN  8
3583 #define IEEE80211_CCMP_256_MIC_LEN  16
3584 #define IEEE80211_CCMP_256_PN_LEN   6
3585 #define IEEE80211_TKIP_IV_LEN       8
3586 #define IEEE80211_TKIP_ICV_LEN      4
3587 #define IEEE80211_CMAC_PN_LEN       6
3588 #define IEEE80211_GMAC_PN_LEN       6
3589 #define IEEE80211_GCMP_HDR_LEN      8
3590 #define IEEE80211_GCMP_MIC_LEN      16
3591 #define IEEE80211_GCMP_PN_LEN       6
3592 
3593 #define FILS_NONCE_LEN          16
3594 #define FILS_MAX_KEK_LEN        64
3595 
3596 #define FILS_ERP_MAX_USERNAME_LEN   16
3597 #define FILS_ERP_MAX_REALM_LEN      253
3598 #define FILS_ERP_MAX_RRK_LEN        64
3599 
3600 #define PMK_MAX_LEN         64
3601 #define SAE_PASSWORD_MAX_LEN        128
3602 
3603 /* Public action codes (IEEE Std 802.11-2016, 9.6.8.1, Table 9-307) */
3604 enum ieee80211_pub_actioncode {
3605     WLAN_PUB_ACTION_20_40_BSS_COEX = 0,
3606     WLAN_PUB_ACTION_DSE_ENABLEMENT = 1,
3607     WLAN_PUB_ACTION_DSE_DEENABLEMENT = 2,
3608     WLAN_PUB_ACTION_DSE_REG_LOC_ANN = 3,
3609     WLAN_PUB_ACTION_EXT_CHANSW_ANN = 4,
3610     WLAN_PUB_ACTION_DSE_MSMT_REQ = 5,
3611     WLAN_PUB_ACTION_DSE_MSMT_RESP = 6,
3612     WLAN_PUB_ACTION_MSMT_PILOT = 7,
3613     WLAN_PUB_ACTION_DSE_PC = 8,
3614     WLAN_PUB_ACTION_VENDOR_SPECIFIC = 9,
3615     WLAN_PUB_ACTION_GAS_INITIAL_REQ = 10,
3616     WLAN_PUB_ACTION_GAS_INITIAL_RESP = 11,
3617     WLAN_PUB_ACTION_GAS_COMEBACK_REQ = 12,
3618     WLAN_PUB_ACTION_GAS_COMEBACK_RESP = 13,
3619     WLAN_PUB_ACTION_TDLS_DISCOVER_RES = 14,
3620     WLAN_PUB_ACTION_LOC_TRACK_NOTI = 15,
3621     WLAN_PUB_ACTION_QAB_REQUEST_FRAME = 16,
3622     WLAN_PUB_ACTION_QAB_RESPONSE_FRAME = 17,
3623     WLAN_PUB_ACTION_QMF_POLICY = 18,
3624     WLAN_PUB_ACTION_QMF_POLICY_CHANGE = 19,
3625     WLAN_PUB_ACTION_QLOAD_REQUEST = 20,
3626     WLAN_PUB_ACTION_QLOAD_REPORT = 21,
3627     WLAN_PUB_ACTION_HCCA_TXOP_ADVERT = 22,
3628     WLAN_PUB_ACTION_HCCA_TXOP_RESPONSE = 23,
3629     WLAN_PUB_ACTION_PUBLIC_KEY = 24,
3630     WLAN_PUB_ACTION_CHANNEL_AVAIL_QUERY = 25,
3631     WLAN_PUB_ACTION_CHANNEL_SCHEDULE_MGMT = 26,
3632     WLAN_PUB_ACTION_CONTACT_VERI_SIGNAL = 27,
3633     WLAN_PUB_ACTION_GDD_ENABLEMENT_REQ = 28,
3634     WLAN_PUB_ACTION_GDD_ENABLEMENT_RESP = 29,
3635     WLAN_PUB_ACTION_NETWORK_CHANNEL_CONTROL = 30,
3636     WLAN_PUB_ACTION_WHITE_SPACE_MAP_ANN = 31,
3637     WLAN_PUB_ACTION_FTM_REQUEST = 32,
3638     WLAN_PUB_ACTION_FTM = 33,
3639     WLAN_PUB_ACTION_FILS_DISCOVERY = 34,
3640 };
3641 
3642 /* TDLS action codes */
3643 enum ieee80211_tdls_actioncode {
3644     WLAN_TDLS_SETUP_REQUEST = 0,
3645     WLAN_TDLS_SETUP_RESPONSE = 1,
3646     WLAN_TDLS_SETUP_CONFIRM = 2,
3647     WLAN_TDLS_TEARDOWN = 3,
3648     WLAN_TDLS_PEER_TRAFFIC_INDICATION = 4,
3649     WLAN_TDLS_CHANNEL_SWITCH_REQUEST = 5,
3650     WLAN_TDLS_CHANNEL_SWITCH_RESPONSE = 6,
3651     WLAN_TDLS_PEER_PSM_REQUEST = 7,
3652     WLAN_TDLS_PEER_PSM_RESPONSE = 8,
3653     WLAN_TDLS_PEER_TRAFFIC_RESPONSE = 9,
3654     WLAN_TDLS_DISCOVERY_REQUEST = 10,
3655 };
3656 
3657 /* Extended Channel Switching capability to be set in the 1st byte of
3658  * the @WLAN_EID_EXT_CAPABILITY information element
3659  */
3660 #define WLAN_EXT_CAPA1_EXT_CHANNEL_SWITCHING    BIT(2)
3661 
3662 /* Multiple BSSID capability is set in the 6th bit of 3rd byte of the
3663  * @WLAN_EID_EXT_CAPABILITY information element
3664  */
3665 #define WLAN_EXT_CAPA3_MULTI_BSSID_SUPPORT  BIT(6)
3666 
3667 /* Timing Measurement protocol for time sync is set in the 7th bit of 3rd byte
3668  * of the @WLAN_EID_EXT_CAPABILITY information element
3669  */
3670 #define WLAN_EXT_CAPA3_TIMING_MEASUREMENT_SUPPORT   BIT(7)
3671 
3672 /* TDLS capabilities in the 4th byte of @WLAN_EID_EXT_CAPABILITY */
3673 #define WLAN_EXT_CAPA4_TDLS_BUFFER_STA      BIT(4)
3674 #define WLAN_EXT_CAPA4_TDLS_PEER_PSM        BIT(5)
3675 #define WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH     BIT(6)
3676 
3677 /* Interworking capabilities are set in 7th bit of 4th byte of the
3678  * @WLAN_EID_EXT_CAPABILITY information element
3679  */
3680 #define WLAN_EXT_CAPA4_INTERWORKING_ENABLED BIT(7)
3681 
3682 /*
3683  * TDLS capabililites to be enabled in the 5th byte of the
3684  * @WLAN_EID_EXT_CAPABILITY information element
3685  */
3686 #define WLAN_EXT_CAPA5_TDLS_ENABLED BIT(5)
3687 #define WLAN_EXT_CAPA5_TDLS_PROHIBITED  BIT(6)
3688 #define WLAN_EXT_CAPA5_TDLS_CH_SW_PROHIBITED    BIT(7)
3689 
3690 #define WLAN_EXT_CAPA8_TDLS_WIDE_BW_ENABLED BIT(5)
3691 #define WLAN_EXT_CAPA8_OPMODE_NOTIF BIT(6)
3692 
3693 /* Defines the maximal number of MSDUs in an A-MSDU. */
3694 #define WLAN_EXT_CAPA8_MAX_MSDU_IN_AMSDU_LSB    BIT(7)
3695 #define WLAN_EXT_CAPA9_MAX_MSDU_IN_AMSDU_MSB    BIT(0)
3696 
3697 /*
3698  * Fine Timing Measurement Initiator - bit 71 of @WLAN_EID_EXT_CAPABILITY
3699  * information element
3700  */
3701 #define WLAN_EXT_CAPA9_FTM_INITIATOR    BIT(7)
3702 
3703 /* Defines support for TWT Requester and TWT Responder */
3704 #define WLAN_EXT_CAPA10_TWT_REQUESTER_SUPPORT   BIT(5)
3705 #define WLAN_EXT_CAPA10_TWT_RESPONDER_SUPPORT   BIT(6)
3706 
3707 /*
3708  * When set, indicates that the AP is able to tolerate 26-tone RU UL
3709  * OFDMA transmissions using HE TB PPDU from OBSS (not falsely classify the
3710  * 26-tone RU UL OFDMA transmissions as radar pulses).
3711  */
3712 #define WLAN_EXT_CAPA10_OBSS_NARROW_BW_RU_TOLERANCE_SUPPORT BIT(7)
3713 
3714 /* Defines support for enhanced multi-bssid advertisement*/
3715 #define WLAN_EXT_CAPA11_EMA_SUPPORT BIT(3)
3716 
3717 /* TDLS specific payload type in the LLC/SNAP header */
3718 #define WLAN_TDLS_SNAP_RFTYPE   0x2
3719 
3720 /* BSS Coex IE information field bits */
3721 #define WLAN_BSS_COEX_INFORMATION_REQUEST   BIT(0)
3722 
3723 /**
3724  * enum ieee80211_mesh_sync_method - mesh synchronization method identifier
3725  *
3726  * @IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET: the default synchronization method
3727  * @IEEE80211_SYNC_METHOD_VENDOR: a vendor specific synchronization method
3728  *  that will be specified in a vendor specific information element
3729  */
3730 enum ieee80211_mesh_sync_method {
3731     IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET = 1,
3732     IEEE80211_SYNC_METHOD_VENDOR = 255,
3733 };
3734 
3735 /**
3736  * enum ieee80211_mesh_path_protocol - mesh path selection protocol identifier
3737  *
3738  * @IEEE80211_PATH_PROTOCOL_HWMP: the default path selection protocol
3739  * @IEEE80211_PATH_PROTOCOL_VENDOR: a vendor specific protocol that will
3740  *  be specified in a vendor specific information element
3741  */
3742 enum ieee80211_mesh_path_protocol {
3743     IEEE80211_PATH_PROTOCOL_HWMP = 1,
3744     IEEE80211_PATH_PROTOCOL_VENDOR = 255,
3745 };
3746 
3747 /**
3748  * enum ieee80211_mesh_path_metric - mesh path selection metric identifier
3749  *
3750  * @IEEE80211_PATH_METRIC_AIRTIME: the default path selection metric
3751  * @IEEE80211_PATH_METRIC_VENDOR: a vendor specific metric that will be
3752  *  specified in a vendor specific information element
3753  */
3754 enum ieee80211_mesh_path_metric {
3755     IEEE80211_PATH_METRIC_AIRTIME = 1,
3756     IEEE80211_PATH_METRIC_VENDOR = 255,
3757 };
3758 
3759 /**
3760  * enum ieee80211_root_mode_identifier - root mesh STA mode identifier
3761  *
3762  * These attribute are used by dot11MeshHWMPRootMode to set root mesh STA mode
3763  *
3764  * @IEEE80211_ROOTMODE_NO_ROOT: the mesh STA is not a root mesh STA (default)
3765  * @IEEE80211_ROOTMODE_ROOT: the mesh STA is a root mesh STA if greater than
3766  *  this value
3767  * @IEEE80211_PROACTIVE_PREQ_NO_PREP: the mesh STA is a root mesh STA supports
3768  *  the proactive PREQ with proactive PREP subfield set to 0
3769  * @IEEE80211_PROACTIVE_PREQ_WITH_PREP: the mesh STA is a root mesh STA
3770  *  supports the proactive PREQ with proactive PREP subfield set to 1
3771  * @IEEE80211_PROACTIVE_RANN: the mesh STA is a root mesh STA supports
3772  *  the proactive RANN
3773  */
3774 enum ieee80211_root_mode_identifier {
3775     IEEE80211_ROOTMODE_NO_ROOT = 0,
3776     IEEE80211_ROOTMODE_ROOT = 1,
3777     IEEE80211_PROACTIVE_PREQ_NO_PREP = 2,
3778     IEEE80211_PROACTIVE_PREQ_WITH_PREP = 3,
3779     IEEE80211_PROACTIVE_RANN = 4,
3780 };
3781 
3782 /*
3783  * IEEE 802.11-2007 7.3.2.9 Country information element
3784  *
3785  * Minimum length is 8 octets, ie len must be evenly
3786  * divisible by 2
3787  */
3788 
3789 /* Although the spec says 8 I'm seeing 6 in practice */
3790 #define IEEE80211_COUNTRY_IE_MIN_LEN    6
3791 
3792 /* The Country String field of the element shall be 3 octets in length */
3793 #define IEEE80211_COUNTRY_STRING_LEN    3
3794 
3795 /*
3796  * For regulatory extension stuff see IEEE 802.11-2007
3797  * Annex I (page 1141) and Annex J (page 1147). Also
3798  * review 7.3.2.9.
3799  *
3800  * When dot11RegulatoryClassesRequired is true and the
3801  * first_channel/reg_extension_id is >= 201 then the IE
3802  * compromises of the 'ext' struct represented below:
3803  *
3804  *  - Regulatory extension ID - when generating IE this just needs
3805  *    to be monotonically increasing for each triplet passed in
3806  *    the IE
3807  *  - Regulatory class - index into set of rules
3808  *  - Coverage class - index into air propagation time (Table 7-27),
3809  *    in microseconds, you can compute the air propagation time from
3810  *    the index by multiplying by 3, so index 10 yields a propagation
3811  *    of 10 us. Valid values are 0-31, values 32-255 are not defined
3812  *    yet. A value of 0 inicates air propagation of <= 1 us.
3813  *
3814  *  See also Table I.2 for Emission limit sets and table
3815  *  I.3 for Behavior limit sets. Table J.1 indicates how to map
3816  *  a reg_class to an emission limit set and behavior limit set.
3817  */
3818 #define IEEE80211_COUNTRY_EXTENSION_ID 201
3819 
3820 /*
3821  *  Channels numbers in the IE must be monotonically increasing
3822  *  if dot11RegulatoryClassesRequired is not true.
3823  *
3824  *  If dot11RegulatoryClassesRequired is true consecutive
3825  *  subband triplets following a regulatory triplet shall
3826  *  have monotonically increasing first_channel number fields.
3827  *
3828  *  Channel numbers shall not overlap.
3829  *
3830  *  Note that max_power is signed.
3831  */
3832 struct ieee80211_country_ie_triplet {
3833     union {
3834         struct {
3835             u8 first_channel;
3836             u8 num_channels;
3837             s8 max_power;
3838         } __packed chans;
3839         struct {
3840             u8 reg_extension_id;
3841             u8 reg_class;
3842             u8 coverage_class;
3843         } __packed ext;
3844     };
3845 } __packed;
3846 
3847 enum ieee80211_timeout_interval_type {
3848     WLAN_TIMEOUT_REASSOC_DEADLINE = 1 /* 802.11r */,
3849     WLAN_TIMEOUT_KEY_LIFETIME = 2 /* 802.11r */,
3850     WLAN_TIMEOUT_ASSOC_COMEBACK = 3 /* 802.11w */,
3851 };
3852 
3853 /**
3854  * struct ieee80211_timeout_interval_ie - Timeout Interval element
3855  * @type: type, see &enum ieee80211_timeout_interval_type
3856  * @value: timeout interval value
3857  */
3858 struct ieee80211_timeout_interval_ie {
3859     u8 type;
3860     __le32 value;
3861 } __packed;
3862 
3863 /**
3864  * enum ieee80211_idle_options - BSS idle options
3865  * @WLAN_IDLE_OPTIONS_PROTECTED_KEEP_ALIVE: the station should send an RSN
3866  *  protected frame to the AP to reset the idle timer at the AP for
3867  *  the station.
3868  */
3869 enum ieee80211_idle_options {
3870     WLAN_IDLE_OPTIONS_PROTECTED_KEEP_ALIVE = BIT(0),
3871 };
3872 
3873 /**
3874  * struct ieee80211_bss_max_idle_period_ie
3875  *
3876  * This structure refers to "BSS Max idle period element"
3877  *
3878  * @max_idle_period: indicates the time period during which a station can
3879  *  refrain from transmitting frames to its associated AP without being
3880  *  disassociated. In units of 1000 TUs.
3881  * @idle_options: indicates the options associated with the BSS idle capability
3882  *  as specified in &enum ieee80211_idle_options.
3883  */
3884 struct ieee80211_bss_max_idle_period_ie {
3885     __le16 max_idle_period;
3886     u8 idle_options;
3887 } __packed;
3888 
3889 /* BACK action code */
3890 enum ieee80211_back_actioncode {
3891     WLAN_ACTION_ADDBA_REQ = 0,
3892     WLAN_ACTION_ADDBA_RESP = 1,
3893     WLAN_ACTION_DELBA = 2,
3894 };
3895 
3896 /* BACK (block-ack) parties */
3897 enum ieee80211_back_parties {
3898     WLAN_BACK_RECIPIENT = 0,
3899     WLAN_BACK_INITIATOR = 1,
3900 };
3901 
3902 /* SA Query action */
3903 enum ieee80211_sa_query_action {
3904     WLAN_ACTION_SA_QUERY_REQUEST = 0,
3905     WLAN_ACTION_SA_QUERY_RESPONSE = 1,
3906 };
3907 
3908 /**
3909  * struct ieee80211_bssid_index
3910  *
3911  * This structure refers to "Multiple BSSID-index element"
3912  *
3913  * @bssid_index: BSSID index
3914  * @dtim_period: optional, overrides transmitted BSS dtim period
3915  * @dtim_count: optional, overrides transmitted BSS dtim count
3916  */
3917 struct ieee80211_bssid_index {
3918     u8 bssid_index;
3919     u8 dtim_period;
3920     u8 dtim_count;
3921 };
3922 
3923 /**
3924  * struct ieee80211_multiple_bssid_configuration
3925  *
3926  * This structure refers to "Multiple BSSID Configuration element"
3927  *
3928  * @bssid_count: total number of active BSSIDs in the set
3929  * @profile_periodicity: the least number of beacon frames need to be received
3930  *  in order to discover all the nontransmitted BSSIDs in the set.
3931  */
3932 struct ieee80211_multiple_bssid_configuration {
3933     u8 bssid_count;
3934     u8 profile_periodicity;
3935 };
3936 
3937 #define SUITE(oui, id)  (((oui) << 8) | (id))
3938 
3939 /* cipher suite selectors */
3940 #define WLAN_CIPHER_SUITE_USE_GROUP SUITE(0x000FAC, 0)
3941 #define WLAN_CIPHER_SUITE_WEP40     SUITE(0x000FAC, 1)
3942 #define WLAN_CIPHER_SUITE_TKIP      SUITE(0x000FAC, 2)
3943 /* reserved:                SUITE(0x000FAC, 3) */
3944 #define WLAN_CIPHER_SUITE_CCMP      SUITE(0x000FAC, 4)
3945 #define WLAN_CIPHER_SUITE_WEP104    SUITE(0x000FAC, 5)
3946 #define WLAN_CIPHER_SUITE_AES_CMAC  SUITE(0x000FAC, 6)
3947 #define WLAN_CIPHER_SUITE_GCMP      SUITE(0x000FAC, 8)
3948 #define WLAN_CIPHER_SUITE_GCMP_256  SUITE(0x000FAC, 9)
3949 #define WLAN_CIPHER_SUITE_CCMP_256  SUITE(0x000FAC, 10)
3950 #define WLAN_CIPHER_SUITE_BIP_GMAC_128  SUITE(0x000FAC, 11)
3951 #define WLAN_CIPHER_SUITE_BIP_GMAC_256  SUITE(0x000FAC, 12)
3952 #define WLAN_CIPHER_SUITE_BIP_CMAC_256  SUITE(0x000FAC, 13)
3953 
3954 #define WLAN_CIPHER_SUITE_SMS4      SUITE(0x001472, 1)
3955 
3956 /* AKM suite selectors */
3957 #define WLAN_AKM_SUITE_8021X            SUITE(0x000FAC, 1)
3958 #define WLAN_AKM_SUITE_PSK          SUITE(0x000FAC, 2)
3959 #define WLAN_AKM_SUITE_FT_8021X         SUITE(0x000FAC, 3)
3960 #define WLAN_AKM_SUITE_FT_PSK           SUITE(0x000FAC, 4)
3961 #define WLAN_AKM_SUITE_8021X_SHA256     SUITE(0x000FAC, 5)
3962 #define WLAN_AKM_SUITE_PSK_SHA256       SUITE(0x000FAC, 6)
3963 #define WLAN_AKM_SUITE_TDLS         SUITE(0x000FAC, 7)
3964 #define WLAN_AKM_SUITE_SAE          SUITE(0x000FAC, 8)
3965 #define WLAN_AKM_SUITE_FT_OVER_SAE      SUITE(0x000FAC, 9)
3966 #define WLAN_AKM_SUITE_AP_PEER_KEY      SUITE(0x000FAC, 10)
3967 #define WLAN_AKM_SUITE_8021X_SUITE_B        SUITE(0x000FAC, 11)
3968 #define WLAN_AKM_SUITE_8021X_SUITE_B_192    SUITE(0x000FAC, 12)
3969 #define WLAN_AKM_SUITE_FT_8021X_SHA384      SUITE(0x000FAC, 13)
3970 #define WLAN_AKM_SUITE_FILS_SHA256      SUITE(0x000FAC, 14)
3971 #define WLAN_AKM_SUITE_FILS_SHA384      SUITE(0x000FAC, 15)
3972 #define WLAN_AKM_SUITE_FT_FILS_SHA256       SUITE(0x000FAC, 16)
3973 #define WLAN_AKM_SUITE_FT_FILS_SHA384       SUITE(0x000FAC, 17)
3974 #define WLAN_AKM_SUITE_OWE          SUITE(0x000FAC, 18)
3975 #define WLAN_AKM_SUITE_FT_PSK_SHA384        SUITE(0x000FAC, 19)
3976 #define WLAN_AKM_SUITE_PSK_SHA384       SUITE(0x000FAC, 20)
3977 
3978 #define WLAN_AKM_SUITE_WFA_DPP          SUITE(WLAN_OUI_WFA, 2)
3979 
3980 #define WLAN_MAX_KEY_LEN        32
3981 
3982 #define WLAN_PMK_NAME_LEN       16
3983 #define WLAN_PMKID_LEN          16
3984 #define WLAN_PMK_LEN_EAP_LEAP       16
3985 #define WLAN_PMK_LEN            32
3986 #define WLAN_PMK_LEN_SUITE_B_192    48
3987 
3988 #define WLAN_OUI_WFA            0x506f9a
3989 #define WLAN_OUI_TYPE_WFA_P2P       9
3990 #define WLAN_OUI_TYPE_WFA_DPP       0x1A
3991 #define WLAN_OUI_MICROSOFT      0x0050f2
3992 #define WLAN_OUI_TYPE_MICROSOFT_WPA 1
3993 #define WLAN_OUI_TYPE_MICROSOFT_WMM 2
3994 #define WLAN_OUI_TYPE_MICROSOFT_WPS 4
3995 #define WLAN_OUI_TYPE_MICROSOFT_TPC 8
3996 
3997 /*
3998  * WMM/802.11e Tspec Element
3999  */
4000 #define IEEE80211_WMM_IE_TSPEC_TID_MASK     0x0F
4001 #define IEEE80211_WMM_IE_TSPEC_TID_SHIFT    1
4002 
4003 enum ieee80211_tspec_status_code {
4004     IEEE80211_TSPEC_STATUS_ADMISS_ACCEPTED = 0,
4005     IEEE80211_TSPEC_STATUS_ADDTS_INVAL_PARAMS = 0x1,
4006 };
4007 
4008 struct ieee80211_tspec_ie {
4009     u8 element_id;
4010     u8 len;
4011     u8 oui[3];
4012     u8 oui_type;
4013     u8 oui_subtype;
4014     u8 version;
4015     __le16 tsinfo;
4016     u8 tsinfo_resvd;
4017     __le16 nominal_msdu;
4018     __le16 max_msdu;
4019     __le32 min_service_int;
4020     __le32 max_service_int;
4021     __le32 inactivity_int;
4022     __le32 suspension_int;
4023     __le32 service_start_time;
4024     __le32 min_data_rate;
4025     __le32 mean_data_rate;
4026     __le32 peak_data_rate;
4027     __le32 max_burst_size;
4028     __le32 delay_bound;
4029     __le32 min_phy_rate;
4030     __le16 sba;
4031     __le16 medium_time;
4032 } __packed;
4033 
4034 struct ieee80211_he_6ghz_capa {
4035     /* uses IEEE80211_HE_6GHZ_CAP_* below */
4036     __le16 capa;
4037 } __packed;
4038 
4039 /* HE 6 GHz band capabilities */
4040 /* uses enum ieee80211_min_mpdu_spacing values */
4041 #define IEEE80211_HE_6GHZ_CAP_MIN_MPDU_START    0x0007
4042 /* uses enum ieee80211_vht_max_ampdu_length_exp values */
4043 #define IEEE80211_HE_6GHZ_CAP_MAX_AMPDU_LEN_EXP 0x0038
4044 /* uses IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_* values */
4045 #define IEEE80211_HE_6GHZ_CAP_MAX_MPDU_LEN  0x00c0
4046 /* WLAN_HT_CAP_SM_PS_* values */
4047 #define IEEE80211_HE_6GHZ_CAP_SM_PS     0x0600
4048 #define IEEE80211_HE_6GHZ_CAP_RD_RESPONDER  0x0800
4049 #define IEEE80211_HE_6GHZ_CAP_RX_ANTPAT_CONS    0x1000
4050 #define IEEE80211_HE_6GHZ_CAP_TX_ANTPAT_CONS    0x2000
4051 
4052 /**
4053  * ieee80211_get_qos_ctl - get pointer to qos control bytes
4054  * @hdr: the frame
4055  *
4056  * The qos ctrl bytes come after the frame_control, duration, seq_num
4057  * and 3 or 4 addresses of length ETH_ALEN.
4058  * 3 addr: 2 + 2 + 2 + 3*6 = 24
4059  * 4 addr: 2 + 2 + 2 + 4*6 = 30
4060  */
4061 static inline u8 *ieee80211_get_qos_ctl(struct ieee80211_hdr *hdr)
4062 {
4063     if (ieee80211_has_a4(hdr->frame_control))
4064         return (u8 *)hdr + 30;
4065     else
4066         return (u8 *)hdr + 24;
4067 }
4068 
4069 /**
4070  * ieee80211_get_tid - get qos TID
4071  * @hdr: the frame
4072  */
4073 static inline u8 ieee80211_get_tid(struct ieee80211_hdr *hdr)
4074 {
4075     u8 *qc = ieee80211_get_qos_ctl(hdr);
4076 
4077     return qc[0] & IEEE80211_QOS_CTL_TID_MASK;
4078 }
4079 
4080 /**
4081  * ieee80211_get_SA - get pointer to SA
4082  * @hdr: the frame
4083  *
4084  * Given an 802.11 frame, this function returns the offset
4085  * to the source address (SA). It does not verify that the
4086  * header is long enough to contain the address, and the
4087  * header must be long enough to contain the frame control
4088  * field.
4089  */
4090 static inline u8 *ieee80211_get_SA(struct ieee80211_hdr *hdr)
4091 {
4092     if (ieee80211_has_a4(hdr->frame_control))
4093         return hdr->addr4;
4094     if (ieee80211_has_fromds(hdr->frame_control))
4095         return hdr->addr3;
4096     return hdr->addr2;
4097 }
4098 
4099 /**
4100  * ieee80211_get_DA - get pointer to DA
4101  * @hdr: the frame
4102  *
4103  * Given an 802.11 frame, this function returns the offset
4104  * to the destination address (DA). It does not verify that
4105  * the header is long enough to contain the address, and the
4106  * header must be long enough to contain the frame control
4107  * field.
4108  */
4109 static inline u8 *ieee80211_get_DA(struct ieee80211_hdr *hdr)
4110 {
4111     if (ieee80211_has_tods(hdr->frame_control))
4112         return hdr->addr3;
4113     else
4114         return hdr->addr1;
4115 }
4116 
4117 /**
4118  * _ieee80211_is_robust_mgmt_frame - check if frame is a robust management frame
4119  * @hdr: the frame (buffer must include at least the first octet of payload)
4120  */
4121 static inline bool _ieee80211_is_robust_mgmt_frame(struct ieee80211_hdr *hdr)
4122 {
4123     if (ieee80211_is_disassoc(hdr->frame_control) ||
4124         ieee80211_is_deauth(hdr->frame_control))
4125         return true;
4126 
4127     if (ieee80211_is_action(hdr->frame_control)) {
4128         u8 *category;
4129 
4130         /*
4131          * Action frames, excluding Public Action frames, are Robust
4132          * Management Frames. However, if we are looking at a Protected
4133          * frame, skip the check since the data may be encrypted and
4134          * the frame has already been found to be a Robust Management
4135          * Frame (by the other end).
4136          */
4137         if (ieee80211_has_protected(hdr->frame_control))
4138             return true;
4139         category = ((u8 *) hdr) + 24;
4140         return *category != WLAN_CATEGORY_PUBLIC &&
4141             *category != WLAN_CATEGORY_HT &&
4142             *category != WLAN_CATEGORY_WNM_UNPROTECTED &&
4143             *category != WLAN_CATEGORY_SELF_PROTECTED &&
4144             *category != WLAN_CATEGORY_UNPROT_DMG &&
4145             *category != WLAN_CATEGORY_VHT &&
4146             *category != WLAN_CATEGORY_S1G &&
4147             *category != WLAN_CATEGORY_VENDOR_SPECIFIC;
4148     }
4149 
4150     return false;
4151 }
4152 
4153 /**
4154  * ieee80211_is_robust_mgmt_frame - check if skb contains a robust mgmt frame
4155  * @skb: the skb containing the frame, length will be checked
4156  */
4157 static inline bool ieee80211_is_robust_mgmt_frame(struct sk_buff *skb)
4158 {
4159     if (skb->len < IEEE80211_MIN_ACTION_SIZE)
4160         return false;
4161     return _ieee80211_is_robust_mgmt_frame((void *)skb->data);
4162 }
4163 
4164 /**
4165  * ieee80211_is_public_action - check if frame is a public action frame
4166  * @hdr: the frame
4167  * @len: length of the frame
4168  */
4169 static inline bool ieee80211_is_public_action(struct ieee80211_hdr *hdr,
4170                           size_t len)
4171 {
4172     struct ieee80211_mgmt *mgmt = (void *)hdr;
4173 
4174     if (len < IEEE80211_MIN_ACTION_SIZE)
4175         return false;
4176     if (!ieee80211_is_action(hdr->frame_control))
4177         return false;
4178     return mgmt->u.action.category == WLAN_CATEGORY_PUBLIC;
4179 }
4180 
4181 /**
4182  * _ieee80211_is_group_privacy_action - check if frame is a group addressed
4183  * privacy action frame
4184  * @hdr: the frame
4185  */
4186 static inline bool _ieee80211_is_group_privacy_action(struct ieee80211_hdr *hdr)
4187 {
4188     struct ieee80211_mgmt *mgmt = (void *)hdr;
4189 
4190     if (!ieee80211_is_action(hdr->frame_control) ||
4191         !is_multicast_ether_addr(hdr->addr1))
4192         return false;
4193 
4194     return mgmt->u.action.category == WLAN_CATEGORY_MESH_ACTION ||
4195            mgmt->u.action.category == WLAN_CATEGORY_MULTIHOP_ACTION;
4196 }
4197 
4198 /**
4199  * ieee80211_is_group_privacy_action - check if frame is a group addressed
4200  * privacy action frame
4201  * @skb: the skb containing the frame, length will be checked
4202  */
4203 static inline bool ieee80211_is_group_privacy_action(struct sk_buff *skb)
4204 {
4205     if (skb->len < IEEE80211_MIN_ACTION_SIZE)
4206         return false;
4207     return _ieee80211_is_group_privacy_action((void *)skb->data);
4208 }
4209 
4210 /**
4211  * ieee80211_tu_to_usec - convert time units (TU) to microseconds
4212  * @tu: the TUs
4213  */
4214 static inline unsigned long ieee80211_tu_to_usec(unsigned long tu)
4215 {
4216     return 1024 * tu;
4217 }
4218 
4219 /**
4220  * ieee80211_check_tim - check if AID bit is set in TIM
4221  * @tim: the TIM IE
4222  * @tim_len: length of the TIM IE
4223  * @aid: the AID to look for
4224  */
4225 static inline bool ieee80211_check_tim(const struct ieee80211_tim_ie *tim,
4226                        u8 tim_len, u16 aid)
4227 {
4228     u8 mask;
4229     u8 index, indexn1, indexn2;
4230 
4231     if (unlikely(!tim || tim_len < sizeof(*tim)))
4232         return false;
4233 
4234     aid &= 0x3fff;
4235     index = aid / 8;
4236     mask  = 1 << (aid & 7);
4237 
4238     indexn1 = tim->bitmap_ctrl & 0xfe;
4239     indexn2 = tim_len + indexn1 - 4;
4240 
4241     if (index < indexn1 || index > indexn2)
4242         return false;
4243 
4244     index -= indexn1;
4245 
4246     return !!(tim->virtual_map[index] & mask);
4247 }
4248 
4249 /**
4250  * ieee80211_get_tdls_action - get tdls packet action (or -1, if not tdls packet)
4251  * @skb: the skb containing the frame, length will not be checked
4252  * @hdr_size: the size of the ieee80211_hdr that starts at skb->data
4253  *
4254  * This function assumes the frame is a data frame, and that the network header
4255  * is in the correct place.
4256  */
4257 static inline int ieee80211_get_tdls_action(struct sk_buff *skb, u32 hdr_size)
4258 {
4259     if (!skb_is_nonlinear(skb) &&
4260         skb->len > (skb_network_offset(skb) + 2)) {
4261         /* Point to where the indication of TDLS should start */
4262         const u8 *tdls_data = skb_network_header(skb) - 2;
4263 
4264         if (get_unaligned_be16(tdls_data) == ETH_P_TDLS &&
4265             tdls_data[2] == WLAN_TDLS_SNAP_RFTYPE &&
4266             tdls_data[3] == WLAN_CATEGORY_TDLS)
4267             return tdls_data[4];
4268     }
4269 
4270     return -1;
4271 }
4272 
4273 /* convert time units */
4274 #define TU_TO_JIFFIES(x)    (usecs_to_jiffies((x) * 1024))
4275 #define TU_TO_EXP_TIME(x)   (jiffies + TU_TO_JIFFIES(x))
4276 
4277 /* convert frequencies */
4278 #define MHZ_TO_KHZ(freq) ((freq) * 1000)
4279 #define KHZ_TO_MHZ(freq) ((freq) / 1000)
4280 #define PR_KHZ(f) KHZ_TO_MHZ(f), f % 1000
4281 #define KHZ_F "%d.%03d"
4282 
4283 /* convert powers */
4284 #define DBI_TO_MBI(gain) ((gain) * 100)
4285 #define MBI_TO_DBI(gain) ((gain) / 100)
4286 #define DBM_TO_MBM(gain) ((gain) * 100)
4287 #define MBM_TO_DBM(gain) ((gain) / 100)
4288 
4289 /**
4290  * ieee80211_action_contains_tpc - checks if the frame contains TPC element
4291  * @skb: the skb containing the frame, length will be checked
4292  *
4293  * This function checks if it's either TPC report action frame or Link
4294  * Measurement report action frame as defined in IEEE Std. 802.11-2012 8.5.2.5
4295  * and 8.5.7.5 accordingly.
4296  */
4297 static inline bool ieee80211_action_contains_tpc(struct sk_buff *skb)
4298 {
4299     struct ieee80211_mgmt *mgmt = (void *)skb->data;
4300 
4301     if (!ieee80211_is_action(mgmt->frame_control))
4302         return false;
4303 
4304     if (skb->len < IEEE80211_MIN_ACTION_SIZE +
4305                sizeof(mgmt->u.action.u.tpc_report))
4306         return false;
4307 
4308     /*
4309      * TPC report - check that:
4310      * category = 0 (Spectrum Management) or 5 (Radio Measurement)
4311      * spectrum management action = 3 (TPC/Link Measurement report)
4312      * TPC report EID = 35
4313      * TPC report element length = 2
4314      *
4315      * The spectrum management's tpc_report struct is used here both for
4316      * parsing tpc_report and radio measurement's link measurement report
4317      * frame, since the relevant part is identical in both frames.
4318      */
4319     if (mgmt->u.action.category != WLAN_CATEGORY_SPECTRUM_MGMT &&
4320         mgmt->u.action.category != WLAN_CATEGORY_RADIO_MEASUREMENT)
4321         return false;
4322 
4323     /* both spectrum mgmt and link measurement have same action code */
4324     if (mgmt->u.action.u.tpc_report.action_code !=
4325         WLAN_ACTION_SPCT_TPC_RPRT)
4326         return false;
4327 
4328     if (mgmt->u.action.u.tpc_report.tpc_elem_id != WLAN_EID_TPC_REPORT ||
4329         mgmt->u.action.u.tpc_report.tpc_elem_length !=
4330         sizeof(struct ieee80211_tpc_report_ie))
4331         return false;
4332 
4333     return true;
4334 }
4335 
4336 static inline bool ieee80211_is_timing_measurement(struct sk_buff *skb)
4337 {
4338     struct ieee80211_mgmt *mgmt = (void *)skb->data;
4339 
4340     if (skb->len < IEEE80211_MIN_ACTION_SIZE)
4341         return false;
4342 
4343     if (!ieee80211_is_action(mgmt->frame_control))
4344         return false;
4345 
4346     if (mgmt->u.action.category == WLAN_CATEGORY_WNM_UNPROTECTED &&
4347         mgmt->u.action.u.wnm_timing_msr.action_code ==
4348         WLAN_UNPROTECTED_WNM_ACTION_TIMING_MEASUREMENT_RESPONSE &&
4349         skb->len >= offsetofend(typeof(*mgmt), u.action.u.wnm_timing_msr))
4350         return true;
4351 
4352     return false;
4353 }
4354 
4355 static inline bool ieee80211_is_ftm(struct sk_buff *skb)
4356 {
4357     struct ieee80211_mgmt *mgmt = (void *)skb->data;
4358 
4359     if (!ieee80211_is_public_action((void *)mgmt, skb->len))
4360         return false;
4361 
4362     if (mgmt->u.action.u.ftm.action_code ==
4363         WLAN_PUBLIC_ACTION_FTM_RESPONSE &&
4364         skb->len >= offsetofend(typeof(*mgmt), u.action.u.ftm))
4365         return true;
4366 
4367     return false;
4368 }
4369 
4370 struct element {
4371     u8 id;
4372     u8 datalen;
4373     u8 data[];
4374 } __packed;
4375 
4376 /* element iteration helpers */
4377 #define for_each_element(_elem, _data, _datalen)            \
4378     for (_elem = (const struct element *)(_data);           \
4379          (const u8 *)(_data) + (_datalen) - (const u8 *)_elem >=    \
4380         (int)sizeof(*_elem) &&                  \
4381          (const u8 *)(_data) + (_datalen) - (const u8 *)_elem >=    \
4382         (int)sizeof(*_elem) + _elem->datalen;           \
4383          _elem = (const struct element *)(_elem->data + _elem->datalen))
4384 
4385 #define for_each_element_id(element, _id, data, datalen)        \
4386     for_each_element(element, data, datalen)            \
4387         if (element->id == (_id))
4388 
4389 #define for_each_element_extid(element, extid, _data, _datalen)     \
4390     for_each_element(element, _data, _datalen)          \
4391         if (element->id == WLAN_EID_EXTENSION &&        \
4392             element->datalen > 0 &&             \
4393             element->data[0] == (extid))
4394 
4395 #define for_each_subelement(sub, element)               \
4396     for_each_element(sub, (element)->data, (element)->datalen)
4397 
4398 #define for_each_subelement_id(sub, id, element)            \
4399     for_each_element_id(sub, id, (element)->data, (element)->datalen)
4400 
4401 #define for_each_subelement_extid(sub, extid, element)          \
4402     for_each_element_extid(sub, extid, (element)->data, (element)->datalen)
4403 
4404 /**
4405  * for_each_element_completed - determine if element parsing consumed all data
4406  * @element: element pointer after for_each_element() or friends
4407  * @data: same data pointer as passed to for_each_element() or friends
4408  * @datalen: same data length as passed to for_each_element() or friends
4409  *
4410  * This function returns %true if all the data was parsed or considered
4411  * while walking the elements. Only use this if your for_each_element()
4412  * loop cannot be broken out of, otherwise it always returns %false.
4413  *
4414  * If some data was malformed, this returns %false since the last parsed
4415  * element will not fill the whole remaining data.
4416  */
4417 static inline bool for_each_element_completed(const struct element *element,
4418                           const void *data, size_t datalen)
4419 {
4420     return (const u8 *)element == (const u8 *)data + datalen;
4421 }
4422 
4423 /**
4424  * RSNX Capabilities:
4425  * bits 0-3: Field length (n-1)
4426  */
4427 #define WLAN_RSNX_CAPA_PROTECTED_TWT BIT(4)
4428 #define WLAN_RSNX_CAPA_SAE_H2E BIT(5)
4429 
4430 /*
4431  * reduced neighbor report, based on Draft P802.11ax_D6.1,
4432  * section 9.4.2.170 and accepted contributions.
4433  */
4434 #define IEEE80211_AP_INFO_TBTT_HDR_TYPE             0x03
4435 #define IEEE80211_AP_INFO_TBTT_HDR_FILTERED         0x04
4436 #define IEEE80211_AP_INFO_TBTT_HDR_COLOC            0x08
4437 #define IEEE80211_AP_INFO_TBTT_HDR_COUNT            0xF0
4438 #define IEEE80211_TBTT_INFO_OFFSET_BSSID_BSS_PARAM      9
4439 #define IEEE80211_TBTT_INFO_OFFSET_BSSID_SSSID_BSS_PARAM    13
4440 
4441 #define IEEE80211_RNR_TBTT_PARAMS_OCT_RECOMMENDED       0x01
4442 #define IEEE80211_RNR_TBTT_PARAMS_SAME_SSID         0x02
4443 #define IEEE80211_RNR_TBTT_PARAMS_MULTI_BSSID           0x04
4444 #define IEEE80211_RNR_TBTT_PARAMS_TRANSMITTED_BSSID     0x08
4445 #define IEEE80211_RNR_TBTT_PARAMS_COLOC_ESS         0x10
4446 #define IEEE80211_RNR_TBTT_PARAMS_PROBE_ACTIVE          0x20
4447 #define IEEE80211_RNR_TBTT_PARAMS_COLOC_AP          0x40
4448 
4449 struct ieee80211_neighbor_ap_info {
4450     u8 tbtt_info_hdr;
4451     u8 tbtt_info_len;
4452     u8 op_class;
4453     u8 channel;
4454 } __packed;
4455 
4456 enum ieee80211_range_params_max_total_ltf {
4457     IEEE80211_RANGE_PARAMS_MAX_TOTAL_LTF_4 = 0,
4458     IEEE80211_RANGE_PARAMS_MAX_TOTAL_LTF_8,
4459     IEEE80211_RANGE_PARAMS_MAX_TOTAL_LTF_16,
4460     IEEE80211_RANGE_PARAMS_MAX_TOTAL_LTF_UNSPECIFIED,
4461 };
4462 
4463 /* multi-link device */
4464 #define IEEE80211_MLD_MAX_NUM_LINKS 15
4465 
4466 #define IEEE80211_ML_CONTROL_TYPE           0x0007
4467 #define IEEE80211_ML_CONTROL_TYPE_BASIC         0
4468 #define IEEE80211_ML_CONTROL_TYPE_PREQ          1
4469 #define IEEE80211_ML_CONTROL_TYPE_RECONF        2
4470 #define IEEE80211_ML_CONTROL_TYPE_TDLS          3
4471 #define IEEE80211_ML_CONTROL_TYPE_PRIO_ACCESS       4
4472 #define IEEE80211_ML_CONTROL_PRESENCE_MASK      0xfff0
4473 
4474 struct ieee80211_multi_link_elem {
4475     __le16 control;
4476     u8 variable[];
4477 } __packed;
4478 
4479 #define IEEE80211_MLC_BASIC_PRES_LINK_ID        0x0010
4480 #define IEEE80211_MLC_BASIC_PRES_BSS_PARAM_CH_CNT   0x0020
4481 #define IEEE80211_MLC_BASIC_PRES_MED_SYNC_DELAY     0x0040
4482 #define IEEE80211_MLC_BASIC_PRES_EML_CAPA       0x0080
4483 #define IEEE80211_MLC_BASIC_PRES_MLD_CAPA_OP        0x0100
4484 #define IEEE80211_MLC_BASIC_PRES_MLD_ID         0x0200
4485 
4486 #define IEEE80211_MED_SYNC_DELAY_DURATION       0x00ff
4487 #define IEEE80211_MED_SYNC_DELAY_SYNC_OFDM_ED_THRESH    0x0f00
4488 #define IEEE80211_MED_SYNC_DELAY_SYNC_MAX_NUM_TXOPS 0xf000
4489 
4490 #define IEEE80211_EML_CAP_EMLSR_SUPP            0x0001
4491 #define IEEE80211_EML_CAP_EMLSR_PADDING_DELAY       0x000e
4492 #define  IEEE80211_EML_CAP_EMLSR_PADDING_DELAY_0US      0
4493 #define  IEEE80211_EML_CAP_EMLSR_PADDING_DELAY_32US     1
4494 #define  IEEE80211_EML_CAP_EMLSR_PADDING_DELAY_64US     2
4495 #define  IEEE80211_EML_CAP_EMLSR_PADDING_DELAY_128US        3
4496 #define  IEEE80211_EML_CAP_EMLSR_PADDING_DELAY_256US        4
4497 #define IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY    0x0070
4498 #define  IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY_0US       0
4499 #define  IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY_16US      1
4500 #define  IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY_32US      2
4501 #define  IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY_64US      3
4502 #define  IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY_128US     4
4503 #define  IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY_256US     5
4504 #define IEEE80211_EML_CAP_EMLMR_SUPPORT         0x0080
4505 #define IEEE80211_EML_CAP_EMLMR_DELAY           0x0700
4506 #define  IEEE80211_EML_CAP_EMLMR_DELAY_0US          0
4507 #define  IEEE80211_EML_CAP_EMLMR_DELAY_32US         1
4508 #define  IEEE80211_EML_CAP_EMLMR_DELAY_64US         2
4509 #define  IEEE80211_EML_CAP_EMLMR_DELAY_128US            3
4510 #define  IEEE80211_EML_CAP_EMLMR_DELAY_256US            4
4511 #define IEEE80211_EML_CAP_TRANSITION_TIMEOUT        0x7800
4512 #define  IEEE80211_EML_CAP_TRANSITION_TIMEOUT_0         0
4513 #define  IEEE80211_EML_CAP_TRANSITION_TIMEOUT_128US     1
4514 #define  IEEE80211_EML_CAP_TRANSITION_TIMEOUT_256US     2
4515 #define  IEEE80211_EML_CAP_TRANSITION_TIMEOUT_512US     3
4516 #define  IEEE80211_EML_CAP_TRANSITION_TIMEOUT_1TU       4
4517 #define  IEEE80211_EML_CAP_TRANSITION_TIMEOUT_2TU       5
4518 #define  IEEE80211_EML_CAP_TRANSITION_TIMEOUT_4TU       6
4519 #define  IEEE80211_EML_CAP_TRANSITION_TIMEOUT_8TU       7
4520 #define  IEEE80211_EML_CAP_TRANSITION_TIMEOUT_16TU      8
4521 #define  IEEE80211_EML_CAP_TRANSITION_TIMEOUT_32TU      9
4522 #define  IEEE80211_EML_CAP_TRANSITION_TIMEOUT_64TU      10
4523 #define  IEEE80211_EML_CAP_TRANSITION_TIMEOUT_128TU     11
4524 
4525 #define IEEE80211_MLD_CAP_OP_MAX_SIMUL_LINKS        0x000f
4526 #define IEEE80211_MLD_CAP_OP_SRS_SUPPORT        0x0010
4527 #define IEEE80211_MLD_CAP_OP_TID_TO_LINK_MAP_NEG_SUPP   0x0060
4528 #define IEEE80211_MLD_CAP_OP_FREQ_SEP_TYPE_IND      0x0f80
4529 #define IEEE80211_MLD_CAP_OP_AAR_SUPPORT        0x1000
4530 
4531 struct ieee80211_mle_basic_common_info {
4532     u8 len;
4533     u8 mld_mac_addr[ETH_ALEN];
4534     u8 variable[];
4535 } __packed;
4536 
4537 #define IEEE80211_MLC_PREQ_PRES_MLD_ID          0x0010
4538 
4539 struct ieee80211_mle_preq_common_info {
4540     u8 len;
4541     u8 variable[];
4542 } __packed;
4543 
4544 #define IEEE80211_MLC_RECONF_PRES_MLD_MAC_ADDR      0x0010
4545 
4546 /* no fixed fields in RECONF */
4547 
4548 struct ieee80211_mle_tdls_common_info {
4549     u8 len;
4550     u8 ap_mld_mac_addr[ETH_ALEN];
4551 } __packed;
4552 
4553 #define IEEE80211_MLC_PRIO_ACCESS_PRES_AP_MLD_MAC_ADDR  0x0010
4554 
4555 /* no fixed fields in PRIO_ACCESS */
4556 
4557 /**
4558  * ieee80211_mle_common_size - check multi-link element common size
4559  * @data: multi-link element, must already be checked for size using
4560  *  ieee80211_mle_size_ok()
4561  */
4562 static inline u8 ieee80211_mle_common_size(const u8 *data)
4563 {
4564     const struct ieee80211_multi_link_elem *mle = (const void *)data;
4565     u16 control = le16_to_cpu(mle->control);
4566     u8 common = 0;
4567 
4568     switch (u16_get_bits(control, IEEE80211_ML_CONTROL_TYPE)) {
4569     case IEEE80211_ML_CONTROL_TYPE_BASIC:
4570         common += sizeof(struct ieee80211_mle_basic_common_info);
4571         break;
4572     case IEEE80211_ML_CONTROL_TYPE_PREQ:
4573         common += sizeof(struct ieee80211_mle_preq_common_info);
4574         break;
4575     case IEEE80211_ML_CONTROL_TYPE_RECONF:
4576         if (control & IEEE80211_MLC_RECONF_PRES_MLD_MAC_ADDR)
4577             common += ETH_ALEN;
4578         return common;
4579     case IEEE80211_ML_CONTROL_TYPE_TDLS:
4580         common += sizeof(struct ieee80211_mle_tdls_common_info);
4581         break;
4582     case IEEE80211_ML_CONTROL_TYPE_PRIO_ACCESS:
4583         if (control & IEEE80211_MLC_PRIO_ACCESS_PRES_AP_MLD_MAC_ADDR)
4584             common += ETH_ALEN;
4585         return common;
4586     default:
4587         WARN_ON(1);
4588         return 0;
4589     }
4590 
4591     return common + mle->variable[0];
4592 }
4593 
4594 /**
4595  * ieee80211_mle_size_ok - validate multi-link element size
4596  * @data: pointer to the element data
4597  * @len: length of the containing element
4598  */
4599 static inline bool ieee80211_mle_size_ok(const u8 *data, u8 len)
4600 {
4601     const struct ieee80211_multi_link_elem *mle = (const void *)data;
4602     u8 fixed = sizeof(*mle);
4603     u8 common = 0;
4604     bool check_common_len = false;
4605     u16 control;
4606 
4607     if (len < fixed)
4608         return false;
4609 
4610     control = le16_to_cpu(mle->control);
4611 
4612     switch (u16_get_bits(control, IEEE80211_ML_CONTROL_TYPE)) {
4613     case IEEE80211_ML_CONTROL_TYPE_BASIC:
4614         common += sizeof(struct ieee80211_mle_basic_common_info);
4615         check_common_len = true;
4616         if (control & IEEE80211_MLC_BASIC_PRES_LINK_ID)
4617             common += 1;
4618         if (control & IEEE80211_MLC_BASIC_PRES_BSS_PARAM_CH_CNT)
4619             common += 1;
4620         if (control & IEEE80211_MLC_BASIC_PRES_MED_SYNC_DELAY)
4621             common += 2;
4622         if (control & IEEE80211_MLC_BASIC_PRES_EML_CAPA)
4623             common += 2;
4624         if (control & IEEE80211_MLC_BASIC_PRES_MLD_CAPA_OP)
4625             common += 2;
4626         if (control & IEEE80211_MLC_BASIC_PRES_MLD_ID)
4627             common += 1;
4628         break;
4629     case IEEE80211_ML_CONTROL_TYPE_PREQ:
4630         common += sizeof(struct ieee80211_mle_preq_common_info);
4631         if (control & IEEE80211_MLC_PREQ_PRES_MLD_ID)
4632             common += 1;
4633         check_common_len = true;
4634         break;
4635     case IEEE80211_ML_CONTROL_TYPE_RECONF:
4636         if (control & IEEE80211_MLC_RECONF_PRES_MLD_MAC_ADDR)
4637             common += ETH_ALEN;
4638         break;
4639     case IEEE80211_ML_CONTROL_TYPE_TDLS:
4640         common += sizeof(struct ieee80211_mle_tdls_common_info);
4641         check_common_len = true;
4642         break;
4643     case IEEE80211_ML_CONTROL_TYPE_PRIO_ACCESS:
4644         if (control & IEEE80211_MLC_PRIO_ACCESS_PRES_AP_MLD_MAC_ADDR)
4645             common += ETH_ALEN;
4646         break;
4647     default:
4648         /* we don't know this type */
4649         return true;
4650     }
4651 
4652     if (len < fixed + common)
4653         return false;
4654 
4655     if (!check_common_len)
4656         return true;
4657 
4658     /* if present, common length is the first octet there */
4659     return mle->variable[0] >= common;
4660 }
4661 
4662 enum ieee80211_mle_subelems {
4663     IEEE80211_MLE_SUBELEM_PER_STA_PROFILE       = 0,
4664 };
4665 
4666 #define IEEE80211_MLE_STA_CONTROL_LINK_ID           0x000f
4667 #define IEEE80211_MLE_STA_CONTROL_COMPLETE_PROFILE      0x0010
4668 #define IEEE80211_MLE_STA_CONTROL_STA_MAC_ADDR_PRESENT      0x0020
4669 #define IEEE80211_MLE_STA_CONTROL_BEACON_INT_PRESENT        0x0040
4670 #define IEEE80211_MLE_STA_CONTROL_TSF_OFFS_PRESENT      0x0080
4671 #define IEEE80211_MLE_STA_CONTROL_DTIM_INFO_PRESENT     0x0100
4672 #define IEEE80211_MLE_STA_CONTROL_NSTR_LINK_PAIR_PRESENT    0x0200
4673 #define IEEE80211_MLE_STA_CONTROL_NSTR_BITMAP_SIZE      0x0400
4674 #define IEEE80211_MLE_STA_CONTROL_BSS_PARAM_CHANGE_CNT_PRESENT  0x0800
4675 
4676 struct ieee80211_mle_per_sta_profile {
4677     __le16 control;
4678     u8 sta_info_len;
4679     u8 variable[];
4680 } __packed;
4681 
4682 #define for_each_mle_subelement(_elem, _data, _len)         \
4683     if (ieee80211_mle_size_ok(_data, _len))             \
4684         for_each_element(_elem,                 \
4685                  _data + ieee80211_mle_common_size(_data),\
4686                  _len - ieee80211_mle_common_size(_data))
4687 
4688 #endif /* LINUX_IEEE80211_H */