/*-
 * SPDX-License-Identifier: BSD-2-Clause
 *
 * Copyright (c) 2001 Atsushi Onoe
 * Copyright (c) 2002-2009 Sam Leffler, Errno Consulting
 * All rights reserved.
 * Copyright (c) 2020-2025 The FreeBSD Foundation
 *
 * Portions of this software were developed by Björn Zeeb
 * under sponsorship from the FreeBSD Foundation.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
#ifndef _NET80211_IEEE80211_H_
#define _NET80211_IEEE80211_H_

#include <sys/types.h>

#ifndef _KERNEL
#include <stdbool.h>
#endif

/*
 * 802.11 protocol definitions.
 */

#define IEEE80211_ADDR_LEN      6               /* size of 802.11 address */
/* is 802.11 address multicast/broadcast? */
#define IEEE80211_IS_MULTICAST(_a)      (*(_a) & 0x01)

#ifdef _KERNEL
extern const uint8_t ieee80211broadcastaddr[];
#endif

typedef uint16_t ieee80211_seq;

/* IEEE 802.11 PLCP header */
struct ieee80211_plcp_hdr {
        uint16_t        i_sfd;
        uint8_t         i_signal;
        uint8_t         i_service;
        uint16_t        i_length;
        uint16_t        i_crc;
} __packed;

#define IEEE80211_PLCP_SFD      0xF3A0 
#define IEEE80211_PLCP_SERVICE  0x00
#define IEEE80211_PLCP_SERVICE_LOCKED   0x04
#define IEEE80211_PLCL_SERVICE_PBCC     0x08
#define IEEE80211_PLCP_SERVICE_LENEXT5  0x20
#define IEEE80211_PLCP_SERVICE_LENEXT6  0x40
#define IEEE80211_PLCP_SERVICE_LENEXT7  0x80

/*
 * generic definitions for IEEE 802.11 frames
 */
struct ieee80211_frame {
        uint8_t         i_fc[2];
        uint8_t         i_dur[2];
        uint8_t         i_addr1[IEEE80211_ADDR_LEN];
        uint8_t         i_addr2[IEEE80211_ADDR_LEN];
        uint8_t         i_addr3[IEEE80211_ADDR_LEN];
        uint8_t         i_seq[2];
        /* possibly followed by addr4[IEEE80211_ADDR_LEN]; */
        /* see below */
} __packed;

struct ieee80211_qosframe {
        uint8_t         i_fc[2];
        uint8_t         i_dur[2];
        uint8_t         i_addr1[IEEE80211_ADDR_LEN];
        uint8_t         i_addr2[IEEE80211_ADDR_LEN];
        uint8_t         i_addr3[IEEE80211_ADDR_LEN];
        uint8_t         i_seq[2];
        uint8_t         i_qos[2];
        /* possibly followed by addr4[IEEE80211_ADDR_LEN]; */
        /* see below */
} __packed;

struct ieee80211_qoscntl {
        uint8_t         i_qos[2];
};

struct ieee80211_frame_addr4 {
        uint8_t         i_fc[2];
        uint8_t         i_dur[2];
        uint8_t         i_addr1[IEEE80211_ADDR_LEN];
        uint8_t         i_addr2[IEEE80211_ADDR_LEN];
        uint8_t         i_addr3[IEEE80211_ADDR_LEN];
        uint8_t         i_seq[2];
        uint8_t         i_addr4[IEEE80211_ADDR_LEN];
} __packed;

struct ieee80211_qosframe_addr4 {
        uint8_t         i_fc[2];
        uint8_t         i_dur[2];
        uint8_t         i_addr1[IEEE80211_ADDR_LEN];
        uint8_t         i_addr2[IEEE80211_ADDR_LEN];
        uint8_t         i_addr3[IEEE80211_ADDR_LEN];
        uint8_t         i_seq[2];
        uint8_t         i_addr4[IEEE80211_ADDR_LEN];
        uint8_t         i_qos[2];
} __packed;

#define IEEE80211_FC0_VERSION_MASK              0x03
#define IEEE80211_FC0_VERSION_SHIFT             0
#define IEEE80211_FC0_VERSION_0                 0x00
#define IEEE80211_FC0_TYPE_MASK                 0x0c
#define IEEE80211_FC0_TYPE_SHIFT                2
#define IEEE80211_FC0_TYPE_MGT                  0x00    /* Management */
#define IEEE80211_FC0_TYPE_CTL                  0x04    /* Control */
#define IEEE80211_FC0_TYPE_DATA                 0x08    /* Data */
#define IEEE80211_FC0_TYPE_EXT                  0x0c    /* Extension */

#define IEEE80211_FC0_SUBTYPE_MASK              0xf0
#define IEEE80211_FC0_SUBTYPE_SHIFT             4
/* 802.11-2020 Table 9-1-Valid type and subtype combinations */
/* For type 00 Management (IEEE80211_FC0_TYPE_MGT) */
#define IEEE80211_FC0_SUBTYPE_ASSOC_REQ         0x00    /* Association Request */
#define IEEE80211_FC0_SUBTYPE_ASSOC_RESP        0x10    /* Association Response */
#define IEEE80211_FC0_SUBTYPE_REASSOC_REQ       0x20    /* Reassociation Request */
#define IEEE80211_FC0_SUBTYPE_REASSOC_RESP      0x30    /* Reassociation Response */
#define IEEE80211_FC0_SUBTYPE_PROBE_REQ         0x40    /* Probe Request */
#define IEEE80211_FC0_SUBTYPE_PROBE_RESP        0x50    /* Probe Response */
#define IEEE80211_FC0_SUBTYPE_TIMING_ADV        0x60    /* Timing Advertisement */
/* 0111 Reserved                                0x70 */
#define IEEE80211_FC0_SUBTYPE_BEACON            0x80    /* Beacon */
#define IEEE80211_FC0_SUBTYPE_ATIM              0x90    /* ATIM */
#define IEEE80211_FC0_SUBTYPE_DISASSOC          0xa0    /* Disassociation */
#define IEEE80211_FC0_SUBTYPE_AUTH              0xb0    /* Authentication */
#define IEEE80211_FC0_SUBTYPE_DEAUTH            0xc0    /* Deauthentication */
#define IEEE80211_FC0_SUBTYPE_ACTION            0xd0    /* Action */
#define IEEE80211_FC0_SUBTYPE_ACTION_NOACK      0xe0    /* Action No Ack */
/* 1111 Reserved                                0xf0 */
/* For type 01 Control (IEEE80211_FC0_TYPE_CTL) */
/* 0000-0001 Reserved                           0x00-0x10 */
#define IEEE80211_FC0_SUBTYPE_TRIGGER           0x20    /* Trigger, 80211ax-2021 */
#define IEEE80211_FC0_SUBTYPE_TACK              0x30    /* TACK */
#define IEEE80211_FC0_SUBTYPE_BF_REPORT_POLL    0x40    /* Beamforming Report Poll */
#define IEEE80211_FC0_SUBTYPE_VHT_HE_NDP        0x50    /* VHT/HE NDP Announcement, 80211ac/ax-2013/2021 */
#define IEEE80211_FC0_SUBTYPE_CTL_EXT           0x60    /* Control Frame Extension */
#define IEEE80211_FC0_SUBTYPE_CONTROL_WRAP      0x70    /* Control Wrapper */
#define IEEE80211_FC0_SUBTYPE_BAR               0x80    /* Block Ack Request (BlockAckReq) */
#define IEEE80211_FC0_SUBTYPE_BA                0x90    /* Block Ack (BlockAck) */
#define IEEE80211_FC0_SUBTYPE_PS_POLL           0xa0    /* PS-Poll */
#define IEEE80211_FC0_SUBTYPE_RTS               0xb0    /* RTS */
#define IEEE80211_FC0_SUBTYPE_CTS               0xc0    /* CTS */
#define IEEE80211_FC0_SUBTYPE_ACK               0xd0    /* Ack */
#define IEEE80211_FC0_SUBTYPE_CF_END            0xe0    /* CF-End */
#define IEEE80211_FC0_SUBTYPE_CF_END_ACK        0xf0    /* 1111 Reserved - what was CF_END_ACK? */
/* For type 10 Data (IEEE80211_FC0_TYPE_DATA) */
#define IEEE80211_FC0_SUBTYPE_DATA              0x00    /* Data */
/* 0001-0011 Reserved                           0x10-0x30 */    /* Were: CF_ACK, CF_POLL, CF_ACPL */
#define IEEE80211_FC0_SUBTYPE_NODATA            0x40    /* Null */
/* 0101-0111 Reserved                           0x50-0x70 */    /* Were: CFACK, CFPOLL, CF_ACK_CF_ACK */
#define IEEE80211_FC0_SUBTYPE_QOS_MASK_ANY      0x80    /* QoS mask - matching any subtypes 8..15 */
#define IEEE80211_FC0_SUBTYPE_QOS_DATA          0x80    /* QoS Data */
#define IEEE80211_FC0_SUBTYPE_QOS_DATA_CFACK    0x90    /* QoS Data +CF-Ack */
#define IEEE80211_FC0_SUBTYPE_QOS_DATA_CFPOLL   0xa0    /* QoS Data +CF-Poll */
#define IEEE80211_FC0_SUBTYPE_QOS_DATA_CFACKPOLL 0xb0   /* QoS Data +CF-Ack +CF-Poll */
#define IEEE80211_FC0_SUBTYPE_QOS_NULL          0xc0    /* QoS Null */
/* 1101 Reserved                                0xd0 */
#define IEEE80211_FC0_SUBTYPE_QOS_CFPOLL        0xe0    /* QoS CF-Poll */
#define IEEE80211_FC0_SUBTYPE_QOS_CFACKPOLL     0xf0    /* QoS CF-Ack +CF-Poll */
/* For type 11 Extension (IEEE80211_FC0_TYPE_EXT) */
#define IEEE80211_FC0_SUBTYPE_DMG_BEACON        0x00    /* DMG Beacon */
#define IEEE80211_FC0_SUBTYPE_S1G_BEACON        0x10    /* S1G Beacon */
/* 0010-1111 Reserved                           0x20-0xff */

/* 802.11-2020 Table 9-2-Control Frame Extension */
/* Reusing B11..B8, part of FC1 */
#define IEEE80211_CTL_EXT_SECTOR_ACK            0x00    /* Sector Ack, 80211ay-2021 */
#define IEEE80211_CTL_EXT_BA_SCHED              0x01    /* Block Ack Schedule, 80211ay-2021 */
#define IEEE80211_CTL_EXT_POLL                  0x02    /* Poll */
#define IEEE80211_CTL_EXT_SPR                   0x03    /* SPR */
#define IEEE80211_CTL_EXT_GRANT                 0x04    /* Grant */
#define IEEE80211_CTL_EXT_DMG_CTS               0x05    /* DMG CTS */
#define IEEE80211_CTL_EXT_DMG_DTS               0x06    /* DMG DTS */
#define IEEE80211_CTL_EXT_GRANT_ACK             0x07    /* Grant Ack */
#define IEEE80211_CTL_EXT_SSW                   0x08    /* SSW */
#define IEEE80211_CTL_EXT_SSW_FBACK             0x09    /* SSW-Feedback */
#define IEEE80211_CTL_EXT_SSW_ACK               0x0a    /* SSW-Ack */
#define IEEE80211_CTL_EXT_TDD_BF                0x0b    /* TDD Beamforming, 80211ay-2021 */
/* 1100-1111 Reserved                           0xc-0xf */

/* Check the version field */
#define IEEE80211_IS_FC0_CHECK_VER(wh, v)                       \
        (((wh)->i_fc[0] & IEEE80211_FC0_VERSION_MASK) == (v))

/* Check the version and type field */
#define IEEE80211_IS_FC0_CHECK_VER_TYPE(wh, v, t)                       \
        (((((wh)->i_fc[0] & IEEE80211_FC0_VERSION_MASK) == (v))) &&     \
          (((wh)->i_fc[0] & IEEE80211_FC0_TYPE_MASK) == (t)))

/* Check the version, type and subtype field */
#define IEEE80211_IS_FC0_CHECK_VER_TYPE_SUBTYPE(wh, v, t, st)           \
        (((((wh)->i_fc[0] & IEEE80211_FC0_VERSION_MASK) == (v))) &&     \
          (((wh)->i_fc[0] & IEEE80211_FC0_TYPE_MASK) == (t)) &&         \
          (((wh)->i_fc[0] & IEEE80211_FC0_SUBTYPE_MASK) == (st)))

#define IEEE80211_IS_MGMT(wh)                                           \
        (IEEE80211_IS_FC0_CHECK_VER_TYPE(wh, IEEE80211_FC0_VERSION_0,   \
         IEEE80211_FC0_TYPE_MGT))
#define IEEE80211_IS_CTL(wh)                                    \
        (IEEE80211_IS_FC0_CHECK_VER_TYPE(wh, IEEE80211_FC0_VERSION_0,   \
         IEEE80211_FC0_TYPE_CTL))
#define IEEE80211_IS_DATA(wh)                                   \
        (IEEE80211_IS_FC0_CHECK_VER_TYPE(wh, IEEE80211_FC0_VERSION_0,   \
         IEEE80211_FC0_TYPE_DATA))
#define IEEE80211_IS_EXT(wh)                                    \
        (IEEE80211_IS_FC0_CHECK_VER_TYPE(wh, IEEE80211_FC0_VERSION_0,   \
         IEEE80211_FC0_TYPE_EXT))

/* Management frame types */

#define IEEE80211_IS_MGMT_BEACON(wh)                    \
        (IEEE80211_IS_FC0_CHECK_VER_TYPE_SUBTYPE(wh,    \
         IEEE80211_FC0_VERSION_0,                       \
         IEEE80211_FC0_TYPE_MGT,                        \
         IEEE80211_FC0_SUBTYPE_BEACON))

#define IEEE80211_IS_MGMT_PROBE_RESP(wh)                \
        (IEEE80211_IS_FC0_CHECK_VER_TYPE_SUBTYPE(wh,    \
         IEEE80211_FC0_VERSION_0,                       \
         IEEE80211_FC0_TYPE_MGT,                        \
         IEEE80211_FC0_SUBTYPE_PROBE_RESP))

#define IEEE80211_IS_MGMT_ACTION(wh)            \
        (IEEE80211_IS_FC0_CHECK_VER_TYPE_SUBTYPE(wh,    \
         IEEE80211_FC0_VERSION_0,                       \
         IEEE80211_FC0_TYPE_MGT,                        \
         IEEE80211_FC0_SUBTYPE_ACTION))

/* Control frame types */

#define IEEE80211_IS_CTL_PS_POLL(wh)                    \
        (IEEE80211_IS_FC0_CHECK_VER_TYPE_SUBTYPE(wh,    \
         IEEE80211_FC0_VERSION_0,                       \
         IEEE80211_FC0_TYPE_CTL,                        \
         IEEE80211_FC0_SUBTYPE_PS_POLL))

#define IEEE80211_IS_CTL_BAR(wh)                        \
        (IEEE80211_IS_FC0_CHECK_VER_TYPE_SUBTYPE(wh,    \
         IEEE80211_FC0_VERSION_0,                       \
         IEEE80211_FC0_TYPE_CTL,                        \
         IEEE80211_FC0_SUBTYPE_BAR))

/* Data frame types */

/*
 * Return true if the frame is any of the QOS frame types, not just
 * data frames.  Matching on the IEEE80211_FC0_SUBTYPE_QOS_ANY bit
 * being set also matches on subtypes 8..15.
 */
#define IEEE80211_IS_QOS_ANY(wh)                                        \
        ((IEEE80211_IS_FC0_CHECK_VER_TYPE(wh, IEEE80211_FC0_VERSION_0,  \
         IEEE80211_FC0_TYPE_DATA)) &&                                   \
         ((wh)->i_fc[0] & IEEE80211_FC0_SUBTYPE_QOS_MASK_ANY))

/*
 * Return true if this frame is QOS data, and only QOS data.
 */
#define IEEE80211_IS_QOSDATA(wh)                        \
        (IEEE80211_IS_FC0_CHECK_VER_TYPE_SUBTYPE(wh,    \
         IEEE80211_FC0_VERSION_0,                       \
         IEEE80211_FC0_TYPE_DATA,                       \
         IEEE80211_FC0_SUBTYPE_QOS_DATA))

/*
 * Return true if this frame is a QoS NULL data frame.
 */
#define IEEE80211_IS_QOS_NULL(wh)                       \
        (IEEE80211_IS_FC0_CHECK_VER_TYPE_SUBTYPE(wh,    \
         IEEE80211_FC0_VERSION_0,                       \
         IEEE80211_FC0_TYPE_DATA,                       \
         IEEE80211_FC0_SUBTYPE_QOS_NULL))


#define IEEE80211_FC1_DIR_MASK                  0x03
#define IEEE80211_FC1_DIR_NODS                  0x00    /* STA->STA */
#define IEEE80211_FC1_DIR_TODS                  0x01    /* STA->AP  */
#define IEEE80211_FC1_DIR_FROMDS                0x02    /* AP ->STA */
#define IEEE80211_FC1_DIR_DSTODS                0x03    /* AP ->AP  */

#define IEEE80211_IS_DSTODS(wh) \
        (((wh)->i_fc[1] & IEEE80211_FC1_DIR_MASK) == IEEE80211_FC1_DIR_DSTODS)

#define IEEE80211_FC1_MORE_FRAG                 0x04
#define IEEE80211_FC1_RETRY                     0x08
#define IEEE80211_FC1_PWR_MGT                   0x10
#define IEEE80211_FC1_MORE_DATA                 0x20
#define IEEE80211_FC1_PROTECTED                 0x40
#define IEEE80211_FC1_ORDER                     0x80

#define IEEE80211_IS_PROTECTED(wh) \
        ((wh)->i_fc[1] & IEEE80211_FC1_PROTECTED)

#define IEEE80211_HAS_SEQ(type, subtype) \
        ((type) != IEEE80211_FC0_TYPE_CTL && \
        !((type) == IEEE80211_FC0_TYPE_DATA && \
         ((subtype) & IEEE80211_FC0_SUBTYPE_QOS_NULL) == \
                      IEEE80211_FC0_SUBTYPE_QOS_NULL))
#define IEEE80211_SEQ_FRAG_MASK                 0x000f
#define IEEE80211_SEQ_FRAG_SHIFT                0
#define IEEE80211_SEQ_SEQ_MASK                  0xfff0
#define IEEE80211_SEQ_SEQ_SHIFT                 4
#define IEEE80211_SEQ_RANGE                     4096

#define IEEE80211_SEQ_ADD(seq, incr) \
        (((seq) + (incr)) & (IEEE80211_SEQ_RANGE-1))
#define IEEE80211_SEQ_INC(seq)  IEEE80211_SEQ_ADD(seq,1)
#define IEEE80211_SEQ_SUB(a, b) \
        (((a) + IEEE80211_SEQ_RANGE - (b)) & (IEEE80211_SEQ_RANGE-1))

#define IEEE80211_SEQ_BA_RANGE                  2048    /* 2^11 */
#define IEEE80211_SEQ_BA_BEFORE(a, b) \
        (IEEE80211_SEQ_SUB(b, a+1) < IEEE80211_SEQ_BA_RANGE-1)

#define IEEE80211_NWID_LEN                      32
#define IEEE80211_MESHID_LEN                    32

#define IEEE80211_QOS_CTL_LEN                   2

#define IEEE80211_QOS_TXOP                      0x00ff
/* bit 8 is reserved */
#define IEEE80211_QOS_AMSDU                     0x80
#define IEEE80211_QOS_AMSDU_S                   7
#define IEEE80211_QOS_ACKPOLICY                 0x60
#define IEEE80211_QOS_ACKPOLICY_S               5
#define IEEE80211_QOS_ACKPOLICY_NOACK           0x20    /* No ACK required */
#define IEEE80211_QOS_ACKPOLICY_BA              0x60    /* Block ACK */
#define IEEE80211_QOS_EOSP                      0x10    /* EndOfService Period*/
#define IEEE80211_QOS_EOSP_S                    4
#define IEEE80211_QOS_TID                       0x0f
/* qos[1] byte used for all frames sent by mesh STAs in a mesh BSS */
#define IEEE80211_QOS_MC                        0x01    /* Mesh control */
/* Mesh power save level*/
#define IEEE80211_QOS_MESH_PSL                  0x02
/* Mesh Receiver Service Period Initiated */
#define IEEE80211_QOS_RSPI                      0x04
/* bits 11 to 15 reserved */

/* does frame have QoS sequence control data */
#define IEEE80211_QOS_HAS_SEQ(wh) \
        (((wh)->i_fc[0] & \
          (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_QOS_DATA)) == \
          (IEEE80211_FC0_TYPE_DATA | IEEE80211_FC0_SUBTYPE_QOS_DATA))

/*
 * WME/802.11e information element.
 */
struct ieee80211_wme_info {
        uint8_t         wme_id;         /* IEEE80211_ELEMID_VENDOR */
        uint8_t         wme_len;        /* length in bytes */
        uint8_t         wme_oui[3];     /* 0x00, 0x50, 0xf2 */
        uint8_t         wme_type;       /* OUI type */
        uint8_t         wme_subtype;    /* OUI subtype */
        uint8_t         wme_version;    /* spec revision */
        uint8_t         wme_info;       /* QoS info */
} __packed;

/*
 * WME/802.11e Tspec Element
 */
struct ieee80211_wme_tspec {
        uint8_t         ts_id;
        uint8_t         ts_len;
        uint8_t         ts_oui[3];
        uint8_t         ts_oui_type;
        uint8_t         ts_oui_subtype;
        uint8_t         ts_version;
        uint8_t         ts_tsinfo[3];
        uint8_t         ts_nom_msdu[2];
        uint8_t         ts_max_msdu[2];
        uint8_t         ts_min_svc[4];
        uint8_t         ts_max_svc[4];
        uint8_t         ts_inactv_intv[4];
        uint8_t         ts_susp_intv[4];
        uint8_t         ts_start_svc[4];
        uint8_t         ts_min_rate[4];
        uint8_t         ts_mean_rate[4];
        uint8_t         ts_max_burst[4];
        uint8_t         ts_min_phy[4];
        uint8_t         ts_peak_rate[4];
        uint8_t         ts_delay[4];
        uint8_t         ts_surplus[2];
        uint8_t         ts_medium_time[2];
} __packed;

/*
 * WME AC parameter field
 */
struct ieee80211_wme_acparams {
        uint8_t         acp_aci_aifsn;
        uint8_t         acp_logcwminmax;
        uint16_t        acp_txop;
} __packed;

#define WME_NUM_AC              4       /* 4 AC categories */
#define WME_NUM_TID             16      /* 16 tids */

#define WME_PARAM_ACI           0x60    /* Mask for ACI field */
#define WME_PARAM_ACI_S         5       /* Shift for ACI field */
#define WME_PARAM_ACM           0x10    /* Mask for ACM bit */
#define WME_PARAM_ACM_S         4       /* Shift for ACM bit */
#define WME_PARAM_AIFSN         0x0f    /* Mask for aifsn field */
#define WME_PARAM_AIFSN_S       0       /* Shift for aifsn field */
#define WME_PARAM_LOGCWMIN      0x0f    /* Mask for CwMin field (in log) */
#define WME_PARAM_LOGCWMIN_S    0       /* Shift for CwMin field */
#define WME_PARAM_LOGCWMAX      0xf0    /* Mask for CwMax field (in log) */
#define WME_PARAM_LOGCWMAX_S    4       /* Shift for CwMax field */

#define WME_AC_TO_TID(_ac) (       \
        ((_ac) == WME_AC_VO) ? 6 : \
        ((_ac) == WME_AC_VI) ? 5 : \
        ((_ac) == WME_AC_BK) ? 1 : \
        0)

#define TID_TO_WME_AC(_tid) (      \
        ((_tid) == 0 || (_tid) == 3) ? WME_AC_BE : \
        ((_tid) < 3) ? WME_AC_BK : \
        ((_tid) < 6) ? WME_AC_VI : \
        WME_AC_VO)

/*
 * WME Parameter Element
 */
struct ieee80211_wme_param {
        uint8_t         param_id;
        uint8_t         param_len;
        uint8_t         param_oui[3];
        uint8_t         param_oui_type;
        uint8_t         param_oui_subtype;
        uint8_t         param_version;
        uint8_t         param_qosInfo;
#define WME_QOSINFO_COUNT       0x0f    /* Mask for param count field */
        uint8_t         param_reserved;
        struct ieee80211_wme_acparams   params_acParams[WME_NUM_AC];
} __packed;

/*
 * WME U-APSD qos info field defines
 */
#define WME_CAPINFO_UAPSD_EN                    0x00000080
#define WME_CAPINFO_UAPSD_VO                    0x00000001
#define WME_CAPINFO_UAPSD_VI                    0x00000002
#define WME_CAPINFO_UAPSD_BK                    0x00000004
#define WME_CAPINFO_UAPSD_BE                    0x00000008
#define WME_CAPINFO_UAPSD_ACFLAGS_SHIFT         0
#define WME_CAPINFO_UAPSD_ACFLAGS_MASK          0xF
#define WME_CAPINFO_UAPSD_MAXSP_SHIFT           5
#define WME_CAPINFO_UAPSD_MAXSP_MASK            0x3
#define WME_CAPINFO_IE_OFFSET                   8
#define WME_UAPSD_MAXSP(_qosinfo)                               \
            (((_qosinfo) >> WME_CAPINFO_UAPSD_MAXSP_SHIFT) &    \
            WME_CAPINFO_UAPSD_MAXSP_MASK)
#define WME_UAPSD_AC_ENABLED(_ac, _qosinfo)                     \
            ((1 << (3 - (_ac))) & (                             \
            ((_qosinfo) >> WME_CAPINFO_UAPSD_ACFLAGS_SHIFT) &   \
            WME_CAPINFO_UAPSD_ACFLAGS_MASK))

/*
 * Management Notification Frame
 */
struct ieee80211_mnf {
        uint8_t         mnf_category;
        uint8_t         mnf_action;
        uint8_t         mnf_dialog;
        uint8_t         mnf_status;
} __packed;
#define MNF_SETUP_REQ   0
#define MNF_SETUP_RESP  1
#define MNF_TEARDOWN    2

/* 
 * 802.11n Management Action Frames 
 */
/* generic frame format */
struct ieee80211_action {
        uint8_t         ia_category;
        uint8_t         ia_action;
} __packed;

/* 80211-2020 Table 9-51-Category values */
#define IEEE80211_ACTION_CAT_SM                 0       /* 9.6.2 Spectrum Management */
#define IEEE80211_ACTION_CAT_QOS                1       /* 9.6.3 QoS */
/* Reserved                                     2       was IEEE80211_ACTION_CAT_DLS */
#define IEEE80211_ACTION_CAT_BA                 3       /* 9.6.4 Block Ack */
#define IEEE80211_ACTION_CAT_PUBLIC             4       /* 9.6.7 Public */
#define IEEE80211_ACTION_CAT_RADIO_MEASUREMENT  5       /* 9.6.6 Radio Measurement */
#define IEEE80211_ACTION_CAT_FAST_BSS_TRANSITION 6      /* 9.6.8 Fast BSS Transition */
#define IEEE80211_ACTION_CAT_HT                 7       /* 9.6.11 HT */
#define IEEE80211_ACTION_CAT_SA_QUERY           8       /* 9.6.9 SA Query */
#define IEEE80211_ACTION_CAT_PROTECTED_DUAL_OF_PUBLIC_ACTION 9 /* 9.6.10 Protected Dual of Public Action */
#define IEEE80211_ACTION_CAT_WNM                10      /* 9.6.13 WNM */
#define IEEE80211_ACTION_CAT_UNPROTECTED_WNM    11      /* 9.6.14 Unprotected WNM */
#define IEEE80211_ACTION_CAT_TDLS               12      /* 9.6.12 TDLS */
#define IEEE80211_ACTION_CAT_MESH               13      /* 9.6.16 Mesh */
#define IEEE80211_ACTION_CAT_MULTIHOP           14      /* 9.6.17 Multihop */
#define IEEE80211_ACTION_CAT_SELF_PROT          15      /* 9.6.15 Self-protected */
#define IEEE80211_ACTION_CAT_DMG                16      /* 9.6.19 DMG */
/* Reserved                                     17      (R)Wi-Fi Alliance */
#define IEEE80211_ACTION_CAT_FAST_SESSION_TRANSFER 18   /* 9.6.20 Fast Session Transfer */
#define IEEE80211_ACTION_CAT_ROBUST_AV_STREAMING 19     /* 9.6.18 Robust AV Streaming */
#define IEEE80211_ACTION_CAT_UNPROTECTED_DMG    20      /* 9.6.21 Unprotected DMG */
#define IEEE80211_ACTION_CAT_VHT                21      /* 9.6.22 VHT */
#define IEEE80211_ACTION_CAT_UNPROTECTED_S1G    22      /* 9.6.24 Unprotected S1G */
#define IEEE80211_ACTION_CAT_S1G                23      /* 9.6.25 S1G */
#define IEEE80211_ACTION_CAT_FLOW_CONTROL       24      /* 9.6.26 Flow Control */
#define IEEE80211_ACTION_CAT_CTL_RESP_MCS_NEG   25      /* 9.6.27 Control Response MCS Negotiation */
#define IEEE80211_ACTION_CAT_FILS               26      /* 9.6.23 FILS */
#define IEEE80211_ACTION_CAT_CDMG               27      /* 9.6.28 CDMG */
#define IEEE80211_ACTION_CAT_CMMG               28      /* 9.6.29 CMMG */
#define IEEE80211_ACTION_CAT_GLK                29      /* 9.6.30 GLK */
#define IEEE80211_ACTION_CAT_HE                 30      /* 9.6.31 HE, 80211ax-2021 */
#define IEEE80211_ACTION_CAT_PROTECTED_HE       31      /* 9.6.32 Protected HE, 80211ax-2021 */
/* Reserved                                     32-125 */
#define IEEE80211_ACTION_CAT_VENDOR_SPECIFIC_PROTECTED 126 /* 9.6.5 Vendor-specific Protected */
#define IEEE80211_ACTION_CAT_VENDOR             127     /* 9.6.5 Vendor-specific */
/* Error                                        128-255 */


/* 80211-2020 Table 9-346-Spectrum Management Action field values */
enum ieee80211_action_sm {
        IEEE80211_ACTION_SM_SMREQ               = 0,    /* Spectrum Measurement Request */
        IEEE80211_ACTION_SM_SMREP               = 1,    /* Spectrum Measurement Report */
        IEEE80211_ACTION_SM_TPCREQ              = 2,    /* TPC Request */
        IEEE80211_ACTION_SM_TPCREP              = 3,    /* TPC Report */
        IEEE80211_ACTION_SM_CSA                 = 4,    /* Channel Switch Announcement */
        /* Reserved                             = 5-255 */
};

/* 80211-2020 Table 9-363-Radio Measurement Action field values */
enum ieee80211_action_radio_measurement {
        IEEE80211_ACTION_RADIO_MEASUREMENT_RMREQ        = 0,    /* Radio Measurement Request */
        IEEE80211_ACTION_RADIO_MEASUREMENT_RMREP        = 1,    /* Radio Measurement Report */
        IEEE80211_ACTION_RADIO_MEASUREMENT_LMREQ        = 2,    /* Link Measurement Request */
        IEEE80211_ACTION_RADIO_MEASUREMENT_LMREP        = 3,    /* Link Measurement Report */
        IEEE80211_ACTION_RADIO_MEASUREMENT_NRREQ        = 4,    /* Neighbor Report Request */
        IEEE80211_ACTION_RADIO_MEASUREMENT_NRRESP       = 5,    /* Neighbor Report Response */
        /* Reserved                                     = 6-255 */
};

#define IEEE80211_ACTION_HT_TXCHWIDTH   0       /* recommended xmit chan width*/
#define IEEE80211_ACTION_HT_MIMOPWRSAVE 1       /* MIMO power save */

/* HT - recommended transmission channel width */
struct ieee80211_action_ht_txchwidth {
        struct ieee80211_action at_header;
        uint8_t         at_chwidth;     
} __packed;

#define IEEE80211_A_HT_TXCHWIDTH_20     0
#define IEEE80211_A_HT_TXCHWIDTH_2040   1

/* HT - MIMO Power Save (NB: D2.04) */
struct ieee80211_action_ht_mimopowersave {
        struct ieee80211_action am_header;
        uint8_t         am_control;
} __packed;

#define IEEE80211_A_HT_MIMOPWRSAVE_ENA          0x01    /* PS enabled */
#define IEEE80211_A_HT_MIMOPWRSAVE_MODE         0x02
#define IEEE80211_A_HT_MIMOPWRSAVE_MODE_S       1
#define IEEE80211_A_HT_MIMOPWRSAVE_DYNAMIC      0x02    /* Dynamic Mode */
#define IEEE80211_A_HT_MIMOPWRSAVE_STATIC       0x00    /* no SM packets */
/* bits 2-7 reserved */

/* Block Ack actions */
#define IEEE80211_ACTION_BA_ADDBA_REQUEST       0   /* ADDBA request */
#define IEEE80211_ACTION_BA_ADDBA_RESPONSE      1   /* ADDBA response */
#define IEEE80211_ACTION_BA_DELBA               2   /* DELBA */

/* Block Ack Parameter Set */
#define IEEE80211_BAPS_BUFSIZ   0xffc0          /* buffer size */
#define IEEE80211_BAPS_BUFSIZ_S 6
#define IEEE80211_BAPS_TID      0x003c          /* TID */
#define IEEE80211_BAPS_TID_S    2
#define IEEE80211_BAPS_POLICY   0x0002          /* block ack policy */
#define IEEE80211_BAPS_POLICY_S 1
#define IEEE80211_BAPS_AMSDU    0x0001          /* A-MSDU permitted */
#define IEEE80211_BAPS_AMSDU_S  0

#define IEEE80211_BAPS_POLICY_DELAYED   (0<<IEEE80211_BAPS_POLICY_S)
#define IEEE80211_BAPS_POLICY_IMMEDIATE (1<<IEEE80211_BAPS_POLICY_S)

/* Block Ack Sequence Control */
#define IEEE80211_BASEQ_START   0xfff0          /* starting seqnum */
#define IEEE80211_BASEQ_START_S 4
#define IEEE80211_BASEQ_FRAG    0x000f          /* fragment number */
#define IEEE80211_BASEQ_FRAG_S  0

/* Delayed Block Ack Parameter Set */
#define IEEE80211_DELBAPS_TID   0xf000          /* TID */
#define IEEE80211_DELBAPS_TID_S 12
#define IEEE80211_DELBAPS_INIT  0x0800          /* initiator */
#define IEEE80211_DELBAPS_INIT_S 11

/* BA - ADDBA request */
struct ieee80211_action_ba_addbarequest {
        struct ieee80211_action rq_header;
        uint8_t         rq_dialogtoken;
        uint16_t        rq_baparamset;
        uint16_t        rq_batimeout;           /* in TUs */
        uint16_t        rq_baseqctl;
} __packed;

/* BA - ADDBA response */
struct ieee80211_action_ba_addbaresponse {
        struct ieee80211_action rs_header;
        uint8_t         rs_dialogtoken;
        uint16_t        rs_statuscode;
        uint16_t        rs_baparamset; 
        uint16_t        rs_batimeout;           /* in TUs */
} __packed;

/* BA - DELBA */
struct ieee80211_action_ba_delba {
        struct ieee80211_action dl_header;
        uint16_t        dl_baparamset;
        uint16_t        dl_reasoncode;
} __packed;

/* BAR Control */
#define IEEE80211_BAR_TID       0xf000          /* TID */
#define IEEE80211_BAR_TID_S     12
#define IEEE80211_BAR_COMP      0x0004          /* Compressed Bitmap */
#define IEEE80211_BAR_MTID      0x0002          /* Multi-TID */
#define IEEE80211_BAR_NOACK     0x0001          /* No-Ack policy */

/* BAR Starting Sequence Control */
#define IEEE80211_BAR_SEQ_START 0xfff0          /* starting seqnum */
#define IEEE80211_BAR_SEQ_START_S       4

struct ieee80211_ba_request {
        uint16_t        rq_barctl;
        uint16_t        rq_barseqctl;
} __packed;

/*
 * Control frames.
 */
struct ieee80211_frame_min {
        uint8_t         i_fc[2];
        uint8_t         i_dur[2];
        uint8_t         i_addr1[IEEE80211_ADDR_LEN];
        uint8_t         i_addr2[IEEE80211_ADDR_LEN];
        /* FCS */
} __packed;

struct ieee80211_frame_rts {
        uint8_t         i_fc[2];
        uint8_t         i_dur[2];
        uint8_t         i_ra[IEEE80211_ADDR_LEN];
        uint8_t         i_ta[IEEE80211_ADDR_LEN];
        /* FCS */
} __packed;

struct ieee80211_frame_cts {
        uint8_t         i_fc[2];
        uint8_t         i_dur[2];
        uint8_t         i_ra[IEEE80211_ADDR_LEN];
        /* FCS */
} __packed;

struct ieee80211_frame_ack {
        uint8_t         i_fc[2];
        uint8_t         i_dur[2];
        uint8_t         i_ra[IEEE80211_ADDR_LEN];
        /* FCS */
} __packed;

struct ieee80211_frame_pspoll {
        uint8_t         i_fc[2];
        uint8_t         i_aid[2];
        uint8_t         i_bssid[IEEE80211_ADDR_LEN];
        uint8_t         i_ta[IEEE80211_ADDR_LEN];
        /* FCS */
} __packed;

struct ieee80211_frame_cfend {          /* NB: also CF-End+CF-Ack */
        uint8_t         i_fc[2];
        uint8_t         i_dur[2];       /* should be zero */
        uint8_t         i_ra[IEEE80211_ADDR_LEN];
        uint8_t         i_bssid[IEEE80211_ADDR_LEN];
        /* FCS */
} __packed;

struct ieee80211_frame_bar {
        uint8_t         i_fc[2];
        uint8_t         i_dur[2];
        uint8_t         i_ra[IEEE80211_ADDR_LEN];
        uint8_t         i_ta[IEEE80211_ADDR_LEN];
        uint16_t        i_ctl;
        uint16_t        i_seq;
        /* FCS */
} __packed;

/*
 * BEACON management packets
 *
 *      octet timestamp[8]
 *      octet beacon interval[2]
 *      octet capability information[2]
 *      information element
 *              octet elemid
 *              octet length
 *              octet information[length]
 */

#define IEEE80211_BEACON_INTERVAL(beacon) \
        ((beacon)[8] | ((beacon)[9] << 8))
#define IEEE80211_BEACON_CAPABILITY(beacon) \
        ((beacon)[10] | ((beacon)[11] << 8))

#define IEEE80211_CAPINFO_ESS                   0x0001
#define IEEE80211_CAPINFO_IBSS                  0x0002
#define IEEE80211_CAPINFO_CF_POLLABLE           0x0004
#define IEEE80211_CAPINFO_CF_POLLREQ            0x0008
#define IEEE80211_CAPINFO_PRIVACY               0x0010
#define IEEE80211_CAPINFO_SHORT_PREAMBLE        0x0020
#define IEEE80211_CAPINFO_PBCC                  0x0040
#define IEEE80211_CAPINFO_CHNL_AGILITY          0x0080
#define IEEE80211_CAPINFO_SPECTRUM_MGMT         0x0100
/* bit 9 is reserved */
#define IEEE80211_CAPINFO_SHORT_SLOTTIME        0x0400
#define IEEE80211_CAPINFO_RSN                   0x0800
/* bit 12 is reserved */
#define IEEE80211_CAPINFO_DSSSOFDM              0x2000
/* bits 14-15 are reserved */

#define IEEE80211_CAPINFO_BITS \
        "\20\1ESS\2IBSS\3CF_POLLABLE\4CF_POLLREQ\5PRIVACY\6SHORT_PREAMBLE" \
        "\7PBCC\10CHNL_AGILITY\11SPECTRUM_MGMT\13SHORT_SLOTTIME\14RSN" \
        "\16DSSOFDM"

/*
 * 802.11i/WPA information element (maximally sized).
 */
struct ieee80211_ie_wpa {
        uint8_t         wpa_id;         /* IEEE80211_ELEMID_VENDOR */
        uint8_t         wpa_len;        /* length in bytes */
        uint8_t         wpa_oui[3];     /* 0x00, 0x50, 0xf2 */
        uint8_t         wpa_type;       /* OUI type */
        uint16_t        wpa_version;    /* spec revision */
        uint32_t        wpa_mcipher[1]; /* multicast/group key cipher */
        uint16_t        wpa_uciphercnt; /* # pairwise key ciphers */
        uint32_t        wpa_uciphers[8];/* ciphers */
        uint16_t        wpa_authselcnt; /* authentication selector cnt*/
        uint32_t        wpa_authsels[8];/* selectors */
        uint16_t        wpa_caps;       /* 802.11i capabilities */
        uint16_t        wpa_pmkidcnt;   /* 802.11i pmkid count */
        uint16_t        wpa_pmkids[8];  /* 802.11i pmkids */
} __packed;

/*
 * 802.11n HT Capability IE
 * NB: these reflect D1.10 
 */
struct ieee80211_ie_htcap {
        uint8_t         hc_id;                  /* element ID */
        uint8_t         hc_len;                 /* length in bytes */
        uint16_t        hc_cap;                 /* HT caps (see below) */
        uint8_t         hc_param;               /* HT params (see below) */
        uint8_t         hc_mcsset[16];          /* supported MCS set */
        uint16_t        hc_extcap;              /* extended HT capabilities */
        uint32_t        hc_txbf;                /* txbf capabilities */
        uint8_t         hc_antenna;             /* antenna capabilities */
} __packed;

/* HT capability flags (ht_cap) */
#define IEEE80211_HTCAP_LDPC            0x0001  /* LDPC rx supported */
#define IEEE80211_HTCAP_CHWIDTH40       0x0002  /* 20/40 supported */
#define IEEE80211_HTCAP_SMPS            0x000c  /* SM Power Save mode */
#define IEEE80211_HTCAP_SMPS_OFF        0x000c  /* disabled */
#define IEEE80211_HTCAP_SMPS_DYNAMIC    0x0004  /* send RTS first */
/* NB: SMPS value 2 is reserved */
#define IEEE80211_HTCAP_SMPS_ENA        0x0000  /* enabled (static mode) */
#define IEEE80211_HTCAP_GREENFIELD      0x0010  /* Greenfield supported */
#define IEEE80211_HTCAP_SHORTGI20       0x0020  /* Short GI in 20MHz */
#define IEEE80211_HTCAP_SHORTGI40       0x0040  /* Short GI in 40MHz */
#define IEEE80211_HTCAP_TXSTBC          0x0080  /* STBC tx ok */
#define IEEE80211_HTCAP_RXSTBC          0x0300  /* STBC rx support */
#define IEEE80211_HTCAP_RXSTBC_S        8
#define IEEE80211_HTCAP_RXSTBC_1STREAM  0x0100  /* 1 spatial stream */
#define IEEE80211_HTCAP_RXSTBC_2STREAM  0x0200  /* 1-2 spatial streams*/
#define IEEE80211_HTCAP_RXSTBC_3STREAM  0x0300  /* 1-3 spatial streams*/
#define IEEE80211_HTCAP_DELBA           0x0400  /* HT DELBA supported */
#define IEEE80211_HTCAP_MAXAMSDU        0x0800  /* max A-MSDU length */
#define IEEE80211_HTCAP_MAXAMSDU_7935   0x0800  /* 7935 octets */
#define IEEE80211_HTCAP_MAXAMSDU_3839   0x0000  /* 3839 octets */
#define IEEE80211_HTCAP_DSSSCCK40       0x1000  /* DSSS/CCK in 40MHz */
#define IEEE80211_HTCAP_PSMP            0x2000  /* PSMP supported */
#define IEEE80211_HTCAP_40INTOLERANT    0x4000  /* 40MHz intolerant */
#define IEEE80211_HTCAP_LSIGTXOPPROT    0x8000  /* L-SIG TXOP prot */

#define IEEE80211_HTCAP_BITS \
        "\20\1LDPC\2CHWIDTH40\5GREENFIELD\6SHORTGI20\7SHORTGI40\10TXSTBC" \
        "\13DELBA\14AMSDU(7935)\15DSSSCCK40\16PSMP\1740INTOLERANT" \
        "\20LSIGTXOPPROT"

/* HT parameters (hc_param) */
#define IEEE80211_HTCAP_MAXRXAMPDU      0x03    /* max rx A-MPDU factor */
#define IEEE80211_HTCAP_MAXRXAMPDU_S    0
#define IEEE80211_HTCAP_MAXRXAMPDU_8K   0
#define IEEE80211_HTCAP_MAXRXAMPDU_16K  1
#define IEEE80211_HTCAP_MAXRXAMPDU_32K  2
#define IEEE80211_HTCAP_MAXRXAMPDU_64K  3
#define IEEE80211_HTCAP_MPDUDENSITY     0x1c    /* min MPDU start spacing */
#define IEEE80211_HTCAP_MPDUDENSITY_S   2
#define IEEE80211_HTCAP_MPDUDENSITY_NA  0       /* no time restriction */
#define IEEE80211_HTCAP_MPDUDENSITY_025 1       /* 1/4 us */
#define IEEE80211_HTCAP_MPDUDENSITY_05  2       /* 1/2 us */
#define IEEE80211_HTCAP_MPDUDENSITY_1   3       /* 1 us */
#define IEEE80211_HTCAP_MPDUDENSITY_2   4       /* 2 us */
#define IEEE80211_HTCAP_MPDUDENSITY_4   5       /* 4 us */
#define IEEE80211_HTCAP_MPDUDENSITY_8   6       /* 8 us */
#define IEEE80211_HTCAP_MPDUDENSITY_16  7       /* 16 us */

/* HT extended capabilities (hc_extcap) */
#define IEEE80211_HTCAP_PCO             0x0001  /* PCO capable */
#define IEEE80211_HTCAP_PCOTRANS        0x0006  /* PCO transition time */
#define IEEE80211_HTCAP_PCOTRANS_S      1
#define IEEE80211_HTCAP_PCOTRANS_04     0x0002  /* 400 us */
#define IEEE80211_HTCAP_PCOTRANS_15     0x0004  /* 1.5 ms */
#define IEEE80211_HTCAP_PCOTRANS_5      0x0006  /* 5 ms */
/* bits 3-7 reserved */
#define IEEE80211_HTCAP_MCSFBACK        0x0300  /* MCS feedback */
#define IEEE80211_HTCAP_MCSFBACK_S      8
#define IEEE80211_HTCAP_MCSFBACK_NONE   0x0000  /* nothing provided */
#define IEEE80211_HTCAP_MCSFBACK_UNSOL  0x0200  /* unsolicited feedback */
#define IEEE80211_HTCAP_MCSFBACK_MRQ    0x0300  /* " "+respond to MRQ */
#define IEEE80211_HTCAP_HTC             0x0400  /* +HTC support */
#define IEEE80211_HTCAP_RDR             0x0800  /* reverse direction responder*/
/* bits 12-15 reserved */

/*
 * 802.11n HT Information IE
 */
struct ieee80211_ie_htinfo {
        uint8_t         hi_id;                  /* element ID */
        uint8_t         hi_len;                 /* length in bytes */
        uint8_t         hi_ctrlchannel;         /* primary channel */
        uint8_t         hi_byte1;               /* ht ie byte 1 */
        uint8_t         hi_byte2;               /* ht ie byte 2 */
        uint8_t         hi_byte3;               /* ht ie byte 3 */
        uint16_t        hi_byte45;              /* ht ie bytes 4+5 */
        uint8_t         hi_basicmcsset[16];     /* basic MCS set */
} __packed;

/* byte1 */
#define IEEE80211_HTINFO_2NDCHAN        0x03    /* secondary/ext chan offset */
#define IEEE80211_HTINFO_2NDCHAN_S      0
#define IEEE80211_HTINFO_2NDCHAN_NONE   0x00    /* no secondary/ext channel */
#define IEEE80211_HTINFO_2NDCHAN_ABOVE  0x01    /* above private channel */
/* NB: 2 is reserved */
#define IEEE80211_HTINFO_2NDCHAN_BELOW  0x03    /* below primary channel */ 
#define IEEE80211_HTINFO_TXWIDTH        0x04    /* tx channel width */
#define IEEE80211_HTINFO_TXWIDTH_20     0x00    /* 20MHz width */
#define IEEE80211_HTINFO_TXWIDTH_2040   0x04    /* any supported width */
#define IEEE80211_HTINFO_RIFSMODE       0x08    /* Reduced IFS (RIFS) use */
#define IEEE80211_HTINFO_RIFSMODE_PROH  0x00    /* RIFS use prohibited */
#define IEEE80211_HTINFO_RIFSMODE_PERM  0x08    /* RIFS use permitted */
#define IEEE80211_HTINFO_PMSPONLY       0x10    /* PSMP required to associate */
#define IEEE80211_HTINFO_SIGRAN         0xe0    /* shortest Service Interval */
#define IEEE80211_HTINFO_SIGRAN_S       5
#define IEEE80211_HTINFO_SIGRAN_5       0x00    /* 5 ms */
/* XXX add rest */

/* bytes 2+3 */
#define IEEE80211_HTINFO_OPMODE         0x03    /* operating mode */
#define IEEE80211_HTINFO_OPMODE_S       0
#define IEEE80211_HTINFO_OPMODE_PURE    0x00    /* no protection */
#define IEEE80211_HTINFO_OPMODE_PROTOPT 0x01    /* protection optional */
#define IEEE80211_HTINFO_OPMODE_HT20PR  0x02    /* protection for HT20 sta's */
#define IEEE80211_HTINFO_OPMODE_MIXED   0x03    /* protection for legacy sta's*/
#define IEEE80211_HTINFO_NONGF_PRESENT  0x04    /* non-GF sta's present */
#define IEEE80211_HTINFO_TXBL           0x08    /* transmit burst limit */
#define IEEE80211_HTINFO_NONHT_PRESENT  0x10    /* non-HT sta's present */
/* bits 5-15 reserved */

/* bytes 4+5 */
#define IEEE80211_HTINFO_2NDARYBEACON   0x01
#define IEEE80211_HTINFO_LSIGTXOPPROT   0x02
#define IEEE80211_HTINFO_PCO_ACTIVE     0x04
#define IEEE80211_HTINFO_40MHZPHASE     0x08

/* byte5 */
#define IEEE80211_HTINFO_BASIC_STBCMCS  0x7f
#define IEEE80211_HTINFO_BASIC_STBCMCS_S 0
#define IEEE80211_HTINFO_DUALPROTECTED  0x80

/*
 * 802.11ac definitions - 802.11ac-2013 .
 */

/*
 * Maximum length of A-MPDU that the STA can RX in VHT.
 * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
 */
#define IEEE80211_VHTCAP_MAX_AMPDU_8K           0
#define IEEE80211_VHTCAP_MAX_AMPDU_16K          1
#define IEEE80211_VHTCAP_MAX_AMPDU_32K          2
#define IEEE80211_VHTCAP_MAX_AMPDU_64K          3
#define IEEE80211_VHTCAP_MAX_AMPDU_128K         4
#define IEEE80211_VHTCAP_MAX_AMPDU_256K         5
#define IEEE80211_VHTCAP_MAX_AMPDU_512K         6
#define IEEE80211_VHTCAP_MAX_AMPDU_1024K        7

/*
 * VHT MCS information.
 * + rx_highest/tx_highest: optional; maximum long GI VHT PPDU
 *    data rate.  1Mbit/sec units.
 * + rx_mcs_map/tx_mcs_map: bitmap of per-stream supported MCS;
 *    2 bits each.
 */

/* 802.11ac-2013, 8.4.2.160.3 Supported VHT-MCS and NSS Set field */
enum ieee80211_vht_mcs_support {
        IEEE80211_VHT_MCS_SUPPORT_0_7           = 0,    /* MCS0-7 */
        IEEE80211_VHT_MCS_SUPPORT_0_8           = 1,    /* MCS0-8 */
        IEEE80211_VHT_MCS_SUPPORT_0_9           = 2,    /* MCS0-9 */
        IEEE80211_VHT_MCS_NOT_SUPPORTED         = 3     /* not supported */
};

/* 802.11ac-2013, 8.4.2.160.3 Supported VHT-MCS and NSS Set field */
struct ieee80211_vht_mcs_info {
        uint16_t rx_mcs_map;
        uint16_t rx_highest;
        uint16_t tx_mcs_map;
        uint16_t tx_highest;
} __packed;

/* 802.11ac-2013, 8.4.2.160.1 VHT Capabilities element structure */
struct ieee80211_vht_cap {
        uint32_t                        vht_cap_info;
        struct ieee80211_vht_mcs_info   supp_mcs;
} __packed;

/*
 * 802.11ac-2013, Table 8-183x-VHT Operation Information subfields.
 * 802.11-2020, Table 9-274-VHT Operation Information subfields (for deprecations)
 */
enum ieee80211_vht_chanwidth {
        IEEE80211_VHT_CHANWIDTH_USE_HT          = 0,    /* 20 MHz or 40 MHz */
        IEEE80211_VHT_CHANWIDTH_80MHZ           = 1,    /* 80MHz */
        IEEE80211_VHT_CHANWIDTH_160MHZ          = 2,    /* 160MHz (deprecated) */
        IEEE80211_VHT_CHANWIDTH_80P80MHZ        = 3,    /* 80+80MHz (deprecated) */
        /* 4..255 reserved. */
};

/* The name conflicts with the same structure in wpa.  Only ifconfig needs this. */
#if defined(_KERNEL) || defined(WANT_NET80211)
/* 802.11ac-2013 8.4.2.161 VHT Operation element */
struct ieee80211_vht_operation {
        uint8_t                 chan_width;             /* enum ieee80211_vht_chanwidth */
        uint8_t                 center_freq_seq0_idx;   /* 20/40/80/160 - VHT chan1 */
        uint8_t                 center_freq_seq1_idx;   /* 80+80 - VHT chan2 */
        uint16_t                basic_mcs_set;          /* Basic VHT-MCS and NSS Set */
} __packed;
#endif

/* 802.11ac VHT Capabilities */
#define IEEE80211_VHTCAP_MAX_MPDU_LENGTH_3895   0x00000000
#define IEEE80211_VHTCAP_MAX_MPDU_LENGTH_7991   0x00000001
#define IEEE80211_VHTCAP_MAX_MPDU_LENGTH_11454  0x00000002
#define IEEE80211_VHTCAP_MAX_MPDU_MASK          0x00000003
#define IEEE80211_VHTCAP_MAX_MPDU_MASK_S        0

#define IEEE80211_VHTCAP_SUPP_CHAN_WIDTH_MASK   0x0000000C
#define IEEE80211_VHTCAP_SUPP_CHAN_WIDTH_MASK_S 2
#define IEEE80211_VHTCAP_SUPP_CHAN_WIDTH_NO160          0
#define IEEE80211_VHTCAP_SUPP_CHAN_WIDTH_160MHZ         1
#define IEEE80211_VHTCAP_SUPP_CHAN_WIDTH_160_80P80MHZ   2
#define IEEE80211_VHTCAP_SUPP_CHAN_WIDTH_RESERVED       3

#define IEEE80211_VHTCAP_SUPP_CHAN_WIDTH_IS_160MHZ(_vhtcaps)            \
    (_IEEE80211_MASKSHIFT(_vhtcaps, IEEE80211_VHTCAP_SUPP_CHAN_WIDTH_MASK) >= \
            IEEE80211_VHTCAP_SUPP_CHAN_WIDTH_160MHZ)
#define IEEE80211_VHTCAP_SUPP_CHAN_WIDTH_IS_160_80P80MHZ(_vhtcaps)      \
    (_IEEE80211_MASKSHIFT(_vhtcaps, IEEE80211_VHTCAP_SUPP_CHAN_WIDTH_MASK) == \
            IEEE80211_VHTCAP_SUPP_CHAN_WIDTH_160_80P80MHZ)

#define IEEE80211_VHTCAP_RXLDPC         0x00000010
#define IEEE80211_VHTCAP_RXLDPC_S       4

#define IEEE80211_VHTCAP_SHORT_GI_80            0x00000020
#define IEEE80211_VHTCAP_SHORT_GI_80_S          5

#define IEEE80211_VHTCAP_SHORT_GI_160           0x00000040
#define IEEE80211_VHTCAP_SHORT_GI_160_S         6

#define IEEE80211_VHTCAP_TXSTBC         0x00000080
#define IEEE80211_VHTCAP_TXSTBC_S       7

#define IEEE80211_VHTCAP_RXSTBC_1               0x00000100
#define IEEE80211_VHTCAP_RXSTBC_2               0x00000200
#define IEEE80211_VHTCAP_RXSTBC_3               0x00000300
#define IEEE80211_VHTCAP_RXSTBC_4               0x00000400
#define IEEE80211_VHTCAP_RXSTBC_MASK            0x00000700
#define IEEE80211_VHTCAP_RXSTBC_MASK_S          8

#define IEEE80211_VHTCAP_SU_BEAMFORMER_CAPABLE  0x00000800
#define IEEE80211_VHTCAP_SU_BEAMFORMER_CAPABLE_S        11

#define IEEE80211_VHTCAP_SU_BEAMFORMEE_CAPABLE  0x00001000
#define IEEE80211_VHTCAP_SU_BEAMFORMEE_CAPABLE_S        12

#define IEEE80211_VHTCAP_BEAMFORMEE_STS_SHIFT   13
#define IEEE80211_VHTCAP_BEAMFORMEE_STS_MASK \
            (7 << IEEE80211_VHTCAP_BEAMFORMEE_STS_SHIFT)
#define IEEE80211_VHTCAP_BEAMFORMEE_STS_MASK_S  13

#define IEEE80211_VHTCAP_SOUNDING_DIMENSIONS_SHIFT      16
#define IEEE80211_VHTCAP_SOUNDING_DIMENSIONS_MASK \
            (7 << IEEE80211_VHTCAP_SOUNDING_DIMENSIONS_SHIFT)
#define IEEE80211_VHTCAP_SOUNDING_DIMENSIONS_MASK_S     16

#define IEEE80211_VHTCAP_MU_BEAMFORMER_CAPABLE  0x00080000
#define IEEE80211_VHTCAP_MU_BEAMFORMER_CAPABLE_S        19
#define IEEE80211_VHTCAP_MU_BEAMFORMEE_CAPABLE  0x00100000
#define IEEE80211_VHTCAP_MU_BEAMFORMEE_CAPABLE_S        20
#define IEEE80211_VHTCAP_VHT_TXOP_PS            0x00200000
#define IEEE80211_VHTCAP_VHT_TXOP_PS_S          21
#define IEEE80211_VHTCAP_HTC_VHT                0x00400000
#define IEEE80211_VHTCAP_HTC_VHT_S              22

#define IEEE80211_VHTCAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT       23
#define IEEE80211_VHTCAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK \
            (7 << IEEE80211_VHTCAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT)
#define IEEE80211_VHTCAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK_S      23

#define IEEE80211_VHTCAP_VHT_LINK_ADAPTATION_VHT_MASK   0x0c000000
#define IEEE80211_VHTCAP_VHT_LINK_ADAPTATION_VHT_UNSOL_MFB      0x08000000
#define IEEE80211_VHTCAP_VHT_LINK_ADAPTATION_VHT_MRQ_MFB        0x0c000000
#define IEEE80211_VHTCAP_VHT_LINK_ADAPTATION_VHT_MASK_S 26

#define IEEE80211_VHTCAP_RX_ANTENNA_PATTERN     0x10000000
#define IEEE80211_VHTCAP_RX_ANTENNA_PATTERN_S   28
#define IEEE80211_VHTCAP_TX_ANTENNA_PATTERN     0x20000000
#define IEEE80211_VHTCAP_TX_ANTENNA_PATTERN_S   29

/* 802.11-2016, 9.4.2.158.2 VHT Capabilities Information field. */
#define IEEE80211_VHTCAP_EXT_NSS_BW             0xc0000000
#define IEEE80211_VHTCAP_EXT_NSS_BW_S           30

/*
 * XXX TODO: add the rest of the bits
 */
#define IEEE80211_VHTCAP_BITS \
        "\20\1MPDU7991\2MPDU11454\3CHAN160\4CHAN160+80P80\5RXLDPC\6SHORTGI80" \
        "\7SHORTGI160\10RXSTBC1\11RXSTBC2\12RXSTBC3\13RXSTBC4\14BFERCAP" \
        "\15BFEECAP\27VHT\37RXANTPTN\40TXANTPTN"

/*
 * VHT Transmit Power Envelope element - 802.11ac-2013 8.4.2.164
 *
 * This defines the maximum transmit power for various bandwidths.
 */
/*
 * Count is how many elements follow and what they're for:
 *
 * 0 - 20 MHz
 * 1 - 20+40 MHz
 * 2 - 20+40+80 MHz
 * 3 - 20+40+80+(160, 80+80) MHz
 */
#define IEEE80211_VHT_TXPWRENV_INFO_COUNT_SHIFT 0
#define IEEE80211_VHT_TXPWRENV_INFO_COUNT_MASK  0x07

/*
 * Unit is the tx power representation.  It should be EIRP for now;
 * other values are reserved.
 */
#define IEEE80211_VHT_TXPWRENV_UNIT_MASK        0x38
#define IEEE80211_VHT_TXPWRENV_UNIT_SHIFT       3

/* This value is within the unit mask/shift above */
#define IEEE80211_VHT_TXPWRENV_UNIT_EIRP        0

struct ieee80211_ie_vht_txpwrenv {
        uint8_t ie;
        uint8_t len;
        uint8_t tx_info;
        int8_t tx_elem[0];      /* TX power elements, 1/2 dB, signed */
};

/* VHT action codes */
#define WLAN_ACTION_VHT_COMPRESSED_BF           0
#define WLAN_ACTION_VHT_GROUPID_MGMT            1
#define WLAN_ACTION_VHT_OPMODE_NOTIF            2

#if defined(_KERNEL) || defined(WANT_NET80211)
/*
 * HE
 */

/*
 * 802.11ax-2021, 9.4.2.248.2 HE MAC Capabilities Information field.
 */
/* B0..B7 */
#define IEEE80211_HE_MAC_CAP0_HTC_HE                    (1<<0)
#define IEEE80211_HE_MAC_CAP0_TWT_REQ                   (1<<1)
#define IEEE80211_HE_MAC_CAP0_TWT_RES                   (1<<2)

/* B8..B15 */
#define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_16US       (1<<3)
#define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_MASK       (1<<3 | 1<<2)
#define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_8    (1<<6 | 1<<5 | 1<<4)
#define IEEE80211_HE_MAC_CAP1_LINK_ADAPTATION           (1<<7)
/* Note: B15|B16 are split between octets %!$@??? */

/* B16..B23 */
#define IEEE80211_HE_MAC_CAP2_LINK_ADAPTATION           (1<<0)
#define IEEE80211_HE_MAC_CAP2_ALL_ACK                   (1<<1)
#define IEEE80211_HE_MAC_CAP2_TRS                       (1<<2)
#define IEEE80211_HE_MAC_CAP2_BSR                       (1<<3)
#define IEEE80211_HE_MAC_CAP2_BCAST_TWT                 (1<<4)
#define IEEE80211_HE_MAC_CAP2_32BIT_BA_BITMAP           (1<<5)
#define IEEE80211_HE_MAC_CAP2_MU_CASCADING              (1<<6)
#define IEEE80211_HE_MAC_CAP2_ACK_EN                    (1<<7)

/* B24..B31 */
#define IEEE80211_HE_MAC_CAP3_OMI_CONTROL               (1<<1)
#define IEEE80211_HE_MAC_CAP3_OFDMA_RA                  (1<<2)
#define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_1   (1<<3)
#define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_2   (1<<4)
#define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_3   (1<<4 | 1<<3)
#define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_MASK    (1<<4 | 1<<3)
#define IEEE80211_HE_MAC_CAP3_FLEX_TWT_SCHED            (1<<6)
#define IEEE80211_HE_MAC_CAP3_RX_CTRL_FRAME_TO_MULTIBSS (1<<7)

/* B32..B39 */
#define IEEE80211_HE_MAC_CAP4_BSRP_BQRP_A_MPDU_AGG      (1<<0)
#define IEEE80211_HE_MAC_CAP4_BQR                       (1<<2)
#define IEEE80211_HE_MAC_CAP4_OPS                       (1<<5)
#define IEEE80211_HE_MAC_CAP4_AMSDU_IN_AMPDU            (1<<6)
#define IEEE80211_HE_MAC_CAP4_MULTI_TID_AGG_TX_QOS_B39  (1<<7)
/* Note: B39|B40|B41 are split between octets %!$@??? */

/* B40..B47 */
#define IEEE80211_HE_MAC_CAP5_MULTI_TID_AGG_TX_QOS_B40  (1<<0)
#define IEEE80211_HE_MAC_CAP5_MULTI_TID_AGG_TX_QOS_B41  (1<<1)
#define IEEE80211_HE_MAC_CAP5_SUBCHAN_SELECTIVE_TRANSMISSION    (1<<2)
#define IEEE80211_HE_MAC_CAP5_UL_2x996_TONE_RU          (1<<3)
#define IEEE80211_HE_MAC_CAP5_OM_CTRL_UL_MU_DATA_DIS_RX (1<<4)
#define IEEE80211_HE_MAC_CAP5_HE_DYNAMIC_SM_PS          (1<<5)
#define IEEE80211_HE_MAC_CAP5_PUNCTURED_SOUNDING        (1<<6)
#define IEEE80211_HE_MAC_CAP5_HT_VHT_TRIG_FRAME_RX      (1<<7)

/*
 * 802.11ax-2021, 9.4.2.248.3 HE PHY Capabilities Information field.
 */
/* B0..B7 */
#define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G             (1<<1)
#define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_80MHZ_IN_5G       (1<<2)
#define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G            (1<<3)
#define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G      (1<<4)
#define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_MASK_ALL                (1<<4 | 1<<3 | 1<<2 | 1<<1)
#define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_2G        (1<<5)
#define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_5G        (1<<6)
#define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_MASK                    (1<<6 | 1<<5 | 1<<4 | 1<<3 | 1<<2 | 1<<1)

/* B8..B15 */
#define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_MASK     (1<<3 | 1<<2 | 1<<1 | 1<<0)
#define IEEE80211_HE_PHY_CAP1_DEVICE_CLASS_A            (1<<4)
#define IEEE80211_HE_PHY_CAP1_LDPC_CODING_IN_PAYLOAD    (1<<5)
#define IEEE80211_HE_PHY_CAP1_HE_LTF_AND_GI_FOR_HE_PPDUS_0_8US  (1<<6)
#define IEEE80211_HE_PHY_CAP1_MIDAMBLE_RX_TX_MAX_NSTS   (1<<7)
/* Note: B15|B16 are split between octets %!$@??? */

/* B16..B23 */
#define IEEE80211_HE_PHY_CAP2_MIDAMBLE_RX_TX_MAX_NSTS   (1<<0)
#define IEEE80211_HE_PHY_CAP2_NDP_4x_LTF_AND_3_2US      (1<<1)
#define IEEE80211_HE_PHY_CAP2_STBC_TX_UNDER_80MHZ       (1<<2)
#define IEEE80211_HE_PHY_CAP2_STBC_RX_UNDER_80MHZ       (1<<3)
#define IEEE80211_HE_PHY_CAP2_DOPPLER_TX                (1<<4)
#define IEEE80211_HE_PHY_CAP2_DOPPLER_RX                (1<<5)
#define IEEE80211_HE_PHY_CAP2_UL_MU_FULL_MU_MIMO        (1<<6)
#define IEEE80211_HE_PHY_CAP2_UL_MU_PARTIAL_MU_MIMO     (1<<7)

/* B24..B31 */
#define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_NO_DCM   0x00
#define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_BPSK     (1<<0)
#define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_QPSK     (1<<1)
#define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_16_QAM   (1<<1 | 1<<0)
#define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_MASK     (1<<1 | 1<<0)
#define IEEE80211_HE_PHY_CAP3_DCM_MAX_TX_NSS_1          0x00
#define IEEE80211_HE_PHY_CAP3_DCM_MAX_TX_NSS_2          (1<<2)
#define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_NO_DCM   0x00
#define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_BPSK     (1<<3)
#define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_QPSK     (1<<4)
#define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_16_QAM   (1<<4 | 1<<3)
#define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_MASK     (1<<4 | 1<<3)
#define IEEE80211_HE_PHY_CAP3_DCM_MAX_RX_NSS_1          0x00
#define IEEE80211_HE_PHY_CAP3_DCM_MAX_RX_NSS_2          (1<<5)
#define IEEE80211_HE_PHY_CAP3_RX_PARTIAL_BW_SU_IN_20MHZ_MU      (1<<6)
#define IEEE80211_HE_PHY_CAP3_SU_BEAMFORMER             (1<<7)

/* B32..B39 */
#define IEEE80211_HE_PHY_CAP4_SU_BEAMFORMEE                     (1<<0)
#define IEEE80211_HE_PHY_CAP4_MU_BEAMFORMER                     (1<<1)
#define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_4  (1<<3 | 1<<2)
#define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_5  (1<<4)
#define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_8  (1<<4 | 1<<3 | 1<<2)
#define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_MASK       (1<<4 | 1<<3 | 1<<2)
#define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_4  (1<<6 | 1<<5)
#define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_5  (1<<7)
#define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_8  (1<<7 | 1<<6 | 1<<5)
#define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_MASK       (1<<7 | 1<<6 | 1<<5)

/* B40..B47 */
#define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_2      (1<<0)
#define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_MASK   (1<<2 | 1<<1 | 1<<0)
#define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_2      (1<<3)
#define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_MASK   (1<<5 | 1<<4 | 1<<3)
#define IEEE80211_HE_PHY_CAP5_NG16_SU_FEEDBACK                  (1<<6)
#define IEEE80211_HE_PHY_CAP5_NG16_MU_FEEDBACK                  (1<<7)

/* B48..B55 */
#define IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_42_SU       (1<<0)
#define IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_75_MU       (1<<1)
#define IEEE80211_HE_PHY_CAP6_TRIG_SU_BEAMFORMING_FB    (1<<2)
#define IEEE80211_HE_PHY_CAP6_TRIG_MU_BEAMFORMING_PARTIAL_BW_FB (1<<3)
#define IEEE80211_HE_PHY_CAP6_TRIG_CQI_FB               (1<<4)
#define IEEE80211_HE_PHY_CAP6_PARTIAL_BW_EXT_RANGE      (1<<5)
#define IEEE80211_HE_PHY_CAP6_PARTIAL_BANDWIDTH_DL_MUMIMO       (1<<6)
#define IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT     (1<<7)

/* B56..B63 */
#define IEEE80211_HE_PHY_CAP7_PSR_BASED_SR                      (1<<0)
#define IEEE80211_HE_PHY_CAP7_POWER_BOOST_FACTOR_SUPP           (1<<1)
#define IEEE80211_HE_PHY_CAP7_HE_SU_MU_PPDU_4XLTF_AND_08_US_GI  (1<<2)
#define IEEE80211_HE_PHY_CAP7_MAX_NC_1                          (1<<3)
#define IEEE80211_HE_PHY_CAP7_MAX_NC_2                          (1<<4)
#define IEEE80211_HE_PHY_CAP7_MAX_NC_MASK                       (1<<5 | 1<<4 | 1<<3)
#define IEEE80211_HE_PHY_CAP7_STBC_TX_ABOVE_80MHZ               (1<<6)
#define IEEE80211_HE_PHY_CAP7_STBC_RX_ABOVE_80MHZ               (1<<7)

/* B64..B71 */
#define IEEE80211_HE_PHY_CAP8_HE_ER_SU_PPDU_4XLTF_AND_08_US_GI  (1<<0)
#define IEEE80211_HE_PHY_CAP8_20MHZ_IN_40MHZ_HE_PPDU_IN_2G      (1<<1)
#define IEEE80211_HE_PHY_CAP8_20MHZ_IN_160MHZ_HE_PPDU           (1<<2)
#define IEEE80211_HE_PHY_CAP8_80MHZ_IN_160MHZ_HE_PPDU           (1<<3)
#define IEEE80211_HE_PHY_CAP8_HE_ER_SU_1XLTF_AND_08_US_GI       (1<<4)
#define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_242                    0x00
#define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_484                    (1<<6)
#define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_996                    (1<<7)
#define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_2x996                  (1<<7 | 1<<6)
#define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_MASK                   (1<<7 | 1<<6)

/* B72..B79 */
#define IEEE80211_HE_PHY_CAP9_LONGER_THAN_16_SIGB_OFDM_SYM      (1<<0)
#define IEEE80211_HE_PHY_CAP9_NON_TRIGGERED_CQI_FEEDBACK        (1<<1)
#define IEEE80211_HE_PHY_CAP9_TX_1024_QAM_LESS_THAN_242_TONE_RU (1<<2)
#define IEEE80211_HE_PHY_CAP9_RX_1024_QAM_LESS_THAN_242_TONE_RU (1<<3)
#define IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_COMP_SIGB     (1<<4)
#define IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_NON_COMP_SIGB (1<<5)
#define IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_0US           0x00
#define IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_8US           1
#define IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_16US          2
#define IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_RESERVED      3
#define IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_POS           6
#define IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_MASK          (1<<7 | 1<<6)

/* B80..B87 */
#define IEEE80211_HE_PHY_CAP10_HE_MU_M1RU_MAX_LTF               (1<<0)

/*
 * 802.11ax-2021,
 * 9.4.2.248.2 HE MAC Capabilities Information field.
 * 9.4.2.248.3 HE PHY Capabilities Information field.
 */
struct ieee80211_he_cap_elem {
        uint8_t                                 mac_cap_info[6];
        uint8_t                                 phy_cap_info[11];
} __packed;

/* 802.11ax-2021, 9.4.2.248.4 Supported HE-MCS And NSS Set field. */
enum ieee80211_he_mcs_support {
        IEEE80211_HE_MCS_SUPPORT_0_7    = 0,    /* HE-MCS 0-7 for n NSS */
        IEEE80211_HE_MCS_SUPPORT_0_9    = 1,    /* HE-MCS 0-9 for n NSS */
        IEEE80211_HE_MCS_SUPPORT_0_11   = 2,    /* HE-MCS 0-11 for n NSS */
        IEEE80211_HE_MCS_NOT_SUPPORTED  = 3     /* n NSS not supported. */
};

struct ieee80211_he_mcs_nss_supp {
        uint16_t                                rx_mcs_80;
        uint16_t                                tx_mcs_80;
        uint16_t                                rx_mcs_160;
        uint16_t                                tx_mcs_160;
        uint16_t                                rx_mcs_80p80;
        uint16_t                                tx_mcs_80p80;
} __packed;

#define IEEE80211_HE_CAP_PPE_THRES_MAX          25

/* XXX this should only be internal. */
struct net80211_he_cap {
        bool                                    has_he;
        struct ieee80211_he_cap_elem            he_cap_elem;
        struct ieee80211_he_mcs_nss_supp        he_mcs_nss_supp;
        uint8_t                                 ppe_thres[IEEE80211_HE_CAP_PPE_THRES_MAX];
};

/* 802.11ax-2021, 9.4.2.249 HE Operation element. */
#define IEEE80211_HE_OPERATION_ER_SU_DISABLE            (1<<16)
#define IEEE80211_HE_OPERATION_BSS_COLOR_OFFSET         24
#define IEEE80211_HE_OPERATION_BSS_COLOR_DISABLED       (1<<31)

struct ieee80211_he_operation {
        uint32_t                                he_oper_params; /* (3) params | (1) bss color info */
        uint16_t                                he_mcs_nss_set;
        uint8_t                                 optional[0];
} __packed;

/* 802.11ax-2021, 9.4.2.251 MU EDCA Parameter Set element. */
struct ieee80211_he_mu_edca_param_ac_rec {
        uint8_t                                 aifsn;
        uint8_t                                 ecw_min_max;
        uint8_t                                 mu_edca_timer;
} __packed;

struct ieee80211_mu_edca_param_set {
        uint8_t                                 mu_qos_info;
        union {
                struct {
                        struct ieee80211_he_mu_edca_param_ac_rec ac_be;
                        struct ieee80211_he_mu_edca_param_ac_rec ac_bk;
                        struct ieee80211_he_mu_edca_param_ac_rec ac_vi;
                        struct ieee80211_he_mu_edca_param_ac_rec ac_vo;
                };
                struct ieee80211_he_mu_edca_param_ac_rec param_ac_recs[4];
        };
} __packed;

/* 802.11ax-2021, 9.4.2.252 Spatial Reuse Parameter Set element */
/* Figure 9-788r-SR Control field format */
#define IEEE80211_HE_SPR_NON_SRG_OBSS_PD_SR_DISALLOWED  (1<<1)
#define IEEE80211_HE_SPR_NON_SRG_OFFSET_PRESENT         (1<<2)
#define IEEE80211_HE_SPR_SRG_INFORMATION_PRESENT        (1<<3)
#define IEEE80211_HE_SPR_HESIGA_SR_VAL15_ALLOWED        (1<<4)

/* 802.11ax-2021, 9.4.2.263 HE 6 GHz Band Capabilities element */
/* Figure 9-788aj-Capabilities Information field format */
#define IEEE80211_HE_6GHZ_CAP_MIN_MPDU_START            (1<<2 | 1<<1 | 1<<0)
#define IEEE80211_HE_6GHZ_CAP_MAX_AMPDU_LEN_EXP         (1<<5 | 1<<4 | 1<<3)
#define IEEE80211_HE_6GHZ_CAP_MAX_MPDU_LEN              (1<<7 | 1<<6)
#define IEEE80211_HE_6GHZ_CAP_SM_PS                     (1<<10 | 1<<9)
#define IEEE80211_HE_6GHZ_CAP_RX_ANTPAT_CONS            (1<<12)
#define IEEE80211_HE_6GHZ_CAP_TX_ANTPAT_CONS            (1<<13)

struct ieee80211_he_6ghz_capa {
        uint16_t capa;
};
#endif  /* _KERNEL || WANT_NET80211 */

/*
 * Management information element payloads.
 *
 * 802.11-2020 Table 9-92 (Element IDs).
 * 802.11ax-2021
 */

enum {
        IEEE80211_ELEMID_SSID           = 0,
        IEEE80211_ELEMID_RATES          = 1,
        /* 2 Reserved */
        IEEE80211_ELEMID_FHPARMS        = 2,    /* remove? */
        IEEE80211_ELEMID_DSPARMS        = 3,
        /* 4 Reserved */
        IEEE80211_ELEMID_CFPARMS        = 4,    /* remove? */
        IEEE80211_ELEMID_TIM            = 5,
        IEEE80211_ELEMID_IBSSPARMS      = 6,
        IEEE80211_ELEMID_COUNTRY        = 7,
        /* 8, 9 reserved */
        IEEE80211_ELEMID_REQUEST        = 10,
        IEEE80211_ELEMID_BSSLOAD        = 11,
        IEEE80211_ELEMID_EDCA_PARAM_SET = 12,
        IEEE80211_ELEMID_TSPEC          = 13,
        IEEE80211_ELEMID_TCLAS          = 14,
        IEEE80211_ELEMID_SCHEDULE       = 15,
        IEEE80211_ELEMID_CHALLENGE      = 16,
        /* 17-31 reserved for challenge text extension */
        IEEE80211_ELEMID_PWRCNSTR       = 32,
        IEEE80211_ELEMID_PWRCAP         = 33,
        IEEE80211_ELEMID_TPCREQ         = 34,
        IEEE80211_ELEMID_TPCREP         = 35,
        IEEE80211_ELEMID_SUPPCHAN       = 36,
        IEEE80211_ELEMID_CSA            = 37,
        IEEE80211_ELEMID_MEASREQ        = 38,
        IEEE80211_ELEMID_MEASREP        = 39,
        IEEE80211_ELEMID_QUIET          = 40,
        IEEE80211_ELEMID_IBSSDFS        = 41,
        IEEE80211_ELEMID_ERP            = 42,
        IEEE80211_ELEMID_TS_DELAY       = 43,
        IEEE80211_ELEMID_TCLAS_PROCES   = 44,
        IEEE80211_ELEMID_HTCAP          = 45,
        IEEE80211_ELEMID_QOS            = 46,
        /* 47 reserved */
        IEEE80211_ELEMID_RESERVED_47    = 47,
        IEEE80211_ELEMID_RSN            = 48,
        /* 49 reserved */
        IEEE80211_ELEMID_XRATES         = 50,
        IEEE80211_ELEMID_APCHANREP      = 51,
        IEEE80211_ELEMID_NEIGHBOR_REP   = 52,
        IEEE80211_ELEMID_RCPI           = 53,
        IEEE80211_ELEMID_MOBILITY_DOMAIN = 54,  /* MDE */
        IEEE80211_ELEMID_FAST_BSS_TRANS = 55,   /* FTE */
        IEEE80211_ELEMID_TIMEOUT_INTVL  = 56,
        IEEE80211_ELEMID_RIC_DATA       = 57,   /* RDE */
        IEEE80211_ELEMID_DSE_REG_LOC    = 58,
        IEEE80211_ELEMID_SUP_OP_CLASS   = 59,
        IEEE80211_ELEMID_EXT_CSA        = 60,
        IEEE80211_ELEMID_HTINFO         = 61,   /* HTOPER */
        IEEE80211_ELEMID_SECCHAN_OFFSET = 62,
        IEEE80211_ELEMID_BSS_AVG_ACC_DELAY = 63,
        IEEE80211_ELEMID_ANTENNA        = 64,
        IEEE80211_ELEMID_RSNI           = 65,
        IEEE80211_ELEMID_MEAS_PILOT_TRANS = 66,
        IEEE80211_ELEMID_BSS_AVAIL_AD_CAP = 67,
        IEEE80211_ELEMID_BSS_AC_ACC_DELAY = 68,
        IEEE80211_ELEMID_TIME_ADV       = 69,
        IEEE80211_ELEMID_RRM_ENACAPS    = 70,   /* RM_ENCAPS */
        IEEE80211_ELEMID_MULTIBSSID     = 71,
        IEEE80211_ELEMID_COEX_2040      = 72,
        IEEE80211_ELEMID_2040_INTOL_CHAN_REPORT = 73,
        IEEE80211_ELEMID_OVERLAP_BSS_SCAN_PARAM = 74,
        IEEE80211_ELEMID_RIC_DESC       = 75,
        IEEE80211_ELEMID_MGMT_MIC       = 76,
        /* 77 reserved */
        IEEE80211_ELEMID_EVENT_REQ      = 78,
        IEEE80211_ELEMID_EVENT_REP      = 79,
        IEEE80211_ELEMID_DIAGNOSTIC_REQ = 80,
        IEEE80211_ELEMID_DIAGNOSTIC_REP = 81,
        IEEE80211_ELEMID_LOCATION_PARAM = 82,
        IEEE80211_ELEMID_NONTRANS_BSSID_CAP = 83,
        IEEE80211_ELEMID_SSID_LIST      = 84,
        IEEE80211_ELEMID_MULTI_BSSID_IDX = 85,
        IEEE80211_ELEMID_FMS_DESC       = 86,
        IEEE80211_ELEMID_FMS_REQ        = 87,
        IEEE80211_ELEMID_FMS_RESP       = 88,
        IEEE80211_ELEMID_QOS_TRAFFIC_CAP = 89,
        IEEE80211_ELEMID_BSS_MAX_IDLE_P = 90,
        IEEE80211_ELEMID_TSF_REQ        = 91,
        IEEE80211_ELEMID_TSF_RESP       = 92,
        IEEE80211_ELEMID_WNM_SLEEP_MODE = 93,
        IEEE80211_ELEMID_TIM_BCAST_REQ  = 94,
        IEEE80211_ELEMID_TIM_BCAST_RESP = 95,
        IEEE80211_ELEMID_COL_INTERF_REP = 96,
        IEEE80211_ELEMID_CHAN_USAGE     = 97,
        IEEE80211_ELEMID_TIME_ZONE      = 98,
        IEEE80211_ELEMID_DMS_REQ        = 99,
        IEEE80211_ELEMID_DMS_RESP       = 100,
        IEEE80211_ELEMID_LINK_ID        = 101,
        IEEE80211_ELEMID_WAKEUP_SCHED   = 102,
        /* 103 reserved */
        IEEE80211_ELEMID_CHAN_SW_TIMING = 104,
        IEEE80211_ELEMID_PTI_CONTROL    = 105,
        IEEE80211_ELEMID_TPU_BUF_STATUS = 106,
        IEEE80211_ELEMID_INTERWORKING   = 107,
        IEEE80211_ELEMID_ADV_PROTO      = 108,
        IEEE80211_ELEMID_EXP_BW_REQ     = 109,
        IEEE80211_ELEMID_QOS_MAP        = 110,
        IEEE80211_ELEMID_ROAM_CONSORT   = 111,
        IEEE80211_ELEMID_EMERG_ALERT_ID = 112,

        /*
         * 802.11s IEs
         * NB: On vanilla Linux still IEEE80211_ELEMID_MESHPEER = 55,
         * but they defined a new with id 117 called PEER_MGMT.
         * NB: complies with open80211
         */
        IEEE80211_ELEMID_MESHCONF       = 113,
        IEEE80211_ELEMID_MESHID         = 114,
        IEEE80211_ELEMID_MESHLINK       = 115,
        IEEE80211_ELEMID_MESHCNGST      = 116,
        IEEE80211_ELEMID_MESHPEER       = 117,
        IEEE80211_ELEMID_MESHCSA        = 118,
        IEEE80211_ELEMID_MESHTIM        = 39, /* XXX: remove */
        IEEE80211_ELEMID_MESHAWAKEW     = 119,
        IEEE80211_ELEMID_MESHBEACONT    = 120,
        /* 121-124 MMCAOP not implemented yet */
        IEEE80211_ELEMID_MESHGANN       = 125,
        IEEE80211_ELEMID_MESHRANN       = 126,
        /* 127 Extended Capabilities */
        IEEE80211_ELEMID_EXTCAP         = 127,
        /* 128-129 reserved */
        IEEE80211_ELEMID_MESHPREQ       = 130,
        IEEE80211_ELEMID_MESHPREP       = 131,
        IEEE80211_ELEMID_MESHPERR       = 132,
        /* 133-136 reserved */
        IEEE80211_ELEMID_MESHPXU        = 137,
        IEEE80211_ELEMID_MESHPXUC       = 138,
        IEEE80211_ELEMID_MESHAH         = 60, /* XXX: remove */
        /* XXX 139 */

        IEEE80211_ELEMID_MIC            = 140,
        IEEE80211_ELEMID_DEST_URI       = 141,
        IEEE80211_ELEMID_U_APSD_COEX    = 142,
        IEEE80211_ELEMID_DMG_WAKEUP_SCHED = 143,
        IEEE80211_ELEMID_EXT_SCHED      = 144,
        IEEE80211_ELEMID_STA_AVAIL      = 145,
        IEEE80211_ELEMID_DMG_TSPEC      = 146,
        IEEE80211_ELEMID_NEXT_DMG_ATI   = 147,
        IEEE80211_ELEMID_DMG_CAP        = 148,
        /* 149-150 reserved. */
        IEEE80211_ELEMID_TPC            = 150, /* XXX: remove */
        IEEE80211_ELEMID_DMG_OPER       = 151,
        IEEE80211_ELEMID_DMG_BSS_PARAM_CHANGE = 152,
        IEEE80211_ELEMID_DMG_BEAM_REF   = 153,
        IEEE80211_ELEMID_CHAN_MEAS_FEEDB = 154,
        /* 155-156 reserved. */
        IEEE80211_ELEMID_CCKM           = 156, /* XXX: remove? */
        IEEE80211_ELEMID_AWAKE_WIN      = 157,
        IEEE80211_ELEMID_MULTI_BAND     = 158,
        IEEE80211_ELEMID_ADDBA_EXT      = 159,
        IEEE80211_ELEMID_NEXTPCP_LIST   = 160,
        IEEE80211_ELEMID_PCP_HANDOVER   = 161,
        IEEE80211_ELEMID_DMG_LINK_MARGIN = 162,
        IEEE80211_ELEMID_SW_STREAM      = 163,
        IEEE80211_ELEMID_SESS_TRANS     = 164,
        /* 165 reserved. */
        IEEE80211_ELEMID_CLUSTER_REP    = 166,
        IEEE80211_ELEMID_RELAY_CAP      = 167,
        IEEE80211_ELEMID_RELAY_TRANS_PARAM_SET = 168,
        IEEE80211_ELEMID_BEAMLINK_MAINT = 169,
        IEEE80211_ELEMID_MULTI_MAC_SUBL = 170,
        IEEE80211_ELEMID_U_PID          = 171,
        IEEE80211_ELEMID_DMG_LINK_ADAP_ACK = 172,
        /* 173 reserved. */
        IEEE80211_ELEMID_MCCAOP_ADV_OV  = 174,
        IEEE80211_ELEMID_QUIET_PERIOD_REQ = 175,
        /* 176 reserved. */
        IEEE80211_ELEMID_QUIET_PERIOD_RESP = 177,
        /* 178-180 reserved. */
        IEEE80211_ELEMID_QMF_POLICY     = 181,
        IEEE80211_ELEMID_ECAPC_POLICY   = 182,
        IEEE80211_ELEMID_CLUSTER_TIME_OFFSET = 183,
        IEEE80211_ELEMID_INTRA_ACC_CAT_PRIO = 184,
        IEEE80211_ELEMID_SCS_DESCR      = 185,
        IEEE80211_ELEMID_QLOAD_REPORT   = 186,
        IEEE80211_ELEMID_HCCA_TXOP_UP_CNT = 187,
        IEEE80211_ELEMID_HL_STREAM_ID   = 188,
        IEEE80211_ELEMID_GCR_GROUP_ADDR = 189,
        IEEE80211_ELEMID_ANTENNA_SECTOR_ID_PAT = 190,
        IEEE80211_ELEMID_VHT_CAP        = 191,
        IEEE80211_ELEMID_VHT_OPMODE     = 192,
        IEEE80211_ELEMID_EXTENDED_BSS_LOAD = 193,
        IEEE80211_ELEMID_WIDE_BW_CHAN_SW = 194,
        IEEE80211_ELEMID_VHT_PWR_ENV    = 195,  /* TX_PWR_ENV */
        IEEE80211_ELEMID_CHANNEL_SWITCH_WRAPPER = 196,
        IEEE80211_ELEMID_AID            = 197,
        IEEE80211_ELEMID_QUIET_CHANNEL  = 198,
        IEEE80211_ELEMID_OPMODE_NOTIF   = 199,
        IEEE80211_ELEMID_UPSIM          = 200,
        IEEE80211_ELEMID_RED_NEIGH_REP  = 201,
        IEEE80211_ELEMID_TVHT_OP        = 202,
        /* 203 reserved. */
        IEEE80211_ELEMID_DEVICE_LOC     = 204,
        IEEE80211_ELEMID_WHITE_SPACE_MAP = 205,
        IEEE80211_ELEMID_FINE_TIME_MEAS_PARAM = 206,
        IEEE80211_ELEMID_SIG_OPEN_LOOP_LINK_MARGIN_IDX  = 207,
        IEEE80211_ELEMID_RPS            = 208,
        IEEE80211_ELEMID_PAGE_SLICE     = 209,
        IEEE80211_ELEMID_AID_REQ        = 210,
        IEEE80211_ELEMID_AID_RESP       = 211,
        IEEE80211_ELEMID_SIG_SECTOR_OP  = 212,
        IEEE80211_ELEMID_SIG_BEACON_COMPAT = 213,
        IEEE80211_ELEMID_SHORT_BEACON_INTVL = 214,
        IEEE80211_ELEMID_CHANGE_SEQ     = 215,
        IEEE80211_ELEMID_TWT            = 216,
        IEEE80211_ELEMID_SIG_CAPS       = 217,
        /* 218-219 reserved. */
        IEEE80211_ELEMID_SUBCHAN_SELECT_TRANS = 220,
        IEEE80211_ELEMID_VENDOR         = 221,  /* vendor private */
        IEEE80211_ELEMID_AUTH_CONTROL   = 222,
        IEEE80211_ELEMID_TSF_TIMER_ACC  = 223,
        IEEE80211_ELEMID_S1G_RELAY      = 224,
        IEEE80211_ELEMID_REACHABLE_ADDR = 225,
        IEEE80211_ELEMID_SIG_RELAY_DISC = 226,
        /* 227 reserved. */
        IEEE80211_ELEMID_AID_ANNOUNCEMENT = 228,
        IEEE80211_ELEMID_PV1_PROBE_RESP_OPT = 229,
        IEEE80211_ELEMID_EL_OP          = 230,
        IEEE80211_ELEMID_SECTORIZED_GRP_ID_LIST = 231,
        IEEE80211_ELEMID_SIG_OP         = 232,
        IEEE80211_ELEMID_HDR_COMPRESSION = 233,
        IEEE80211_ELEMID_SST_OP         = 234,
        IEEE80211_ELEMID_MAD            = 235,
        IEEE80211_ELEMID_SIG_RELAY_ACT  = 236,
        IEEE80211_ELEMID_CAG_NUMBER     = 237,
        /* 238 reserved. */
        IEEE80211_ELEMID_AP_CSN         = 239,
        IEEE80211_ELEMID_FILS_INDICATION = 240,
        IEEE80211_ELEMID_DILS           = 241,
        IEEE80211_ELEMID_FRAGMENT       = 242,
        /* 243 reserved. */
        IEEE80211_ELEMID_RSN_EXT        = 244,
        /* 245-254 reserved. */
        IEEE80211_ELEMID_EXTFIELD       = 255
};

enum ieee80211_elemid_ext {
        IEEE80211_ELEMID_EXT_ASSOC_DELAY_INFO           = 1,
        IEEE80211_ELEMID_EXT_FILS_REQ_PARAMS            = 2,
        IEEE80211_ELEMID_EXT_FILS_KEY_CONFIRM           = 3,
        IEEE80211_ELEMID_EXT_FILS_SESSION               = 4,
        IEEE80211_ELEMID_EXT_FILS_HLP_CONTAINER         = 5,
        IEEE80211_ELEMID_EXT_FILS_IP_ADDR_ASSIGNMENT    = 6,
        IEEE80211_ELEMID_EXT_KEY_DELIVERY               = 7,
        IEEE80211_ELEMID_EXT_FILS_WRAPPED_DATA          = 8,
        IEEE80211_ELEMID_EXT_FTM_SYNC_INFO              = 9,
        IEEE80211_ELEMID_EXT_EXT_REQ                    = 10,
        IEEE80211_ELEMID_EXT_EST_SERVICE_PARAM_INBOUND  = 11,
        IEEE80211_ELEMID_EXT_FILS_PUBLIC_KEY            = 12,
        IEEE80211_ELEMID_EXT_FILS_NONCE                 = 13,
        IEEE80211_ELEMID_EXT_FUTURE_CHAN_GUIDANCE       = 14,
        IEEE80211_ELEMID_EXT_SERVICE_HINT               = 15,
        IEEE80211_ELEMID_EXT_SERVICE_HASH               = 16,
        IEEE80211_ELEMID_EXT_CDMG_CAPA                  = 17,
        IEEE80211_ELEMID_EXT_DYN_BW_CTRL                = 18,
        IEEE80211_ELEMID_EXT_CDMG_EXT_SCHEDULE          = 19,
        IEEE80211_ELEMID_EXT_SSW_REPORT                 = 20,
        IEEE80211_ELEMID_EXT_CLUSTER_PROBE              = 21,
        IEEE80211_ELEMID_EXT_EXT_CLUSTER_REPORT         = 22,
        IEEE80211_ELEMID_EXT_CLUSTER_SW_ANNOUNCEMENT    = 23,
        IEEE80211_ELEMID_EXT_ENHANCED_BEAM_TRACKING     = 24,
        IEEE80211_ELEMID_EXT_SPSH_REPORT                = 25,
        IEEE80211_ELEMID_EXT_CLUSTER_INTERF_ASSESS      = 26,
        IEEE80211_ELEMID_EXT_CMMG_CAPA                  = 27,
        IEEE80211_ELEMID_EXT_CMMG_OPER                  = 28,
        IEEE80211_ELEMID_EXT_CMMG_OPMODE_NOTIF          = 29,
        IEEE80211_ELEMID_EXT_CMMG_LINK_MARGIN           = 30,
        IEEE80211_ELEMID_EXT_CMMG_LINK_ADAP_ACK         = 31,
        /* 32 reserved. */
        IEEE80211_ELEMID_EXT_PASSWORD_ID                = 33,
        IEEE80211_ELEMID_EXT_GLK_GCR_PARAM_SET          = 34,
        IEEE80211_ELEMID_EXT_HE_CAPA                    = 35,
        IEEE80211_ELEMID_EXT_HE_OPER                    = 36,
        IEEE80211_ELEMID_EXT_UORA_PARAM_SET             = 37,
        IEEE80211_ELEMID_EXT_MU_EDCA_PARAM_SET          = 38,
        IEEE80211_ELEMID_EXT_SPATIAL_REUSE_PARAM_SET    = 39,
        IEEE80211_ELEMID_EXT_GAS_EXTENSION              = 40,
        IEEE80211_ELEMID_EXT_NDP_FEEDB_REPORT_PARAM     = 41,
        IEEE80211_ELEMID_EXT_BSS_COLOR_CHG_ANNOUNCE     = 42,
        IEEE80211_ELEMID_EXT_QUIET_TIMME_PERIOD         = 43,
        IEEE80211_ELEMID_EXT_VENDOR_SPECIFIC_REQ_ELEM   = 44,
        IEEE80211_ELEMID_EXT_ESS_REPORT                 = 45,
        IEEE80211_ELEMID_EXT_OPS                        = 46,
        IEEE80211_ELEMID_EXT_HE_BSS_LOAD                = 47,
        /* 48-51 reserved. */
        IEEE80211_ELEMID_EXT_MAC_CH_SW_TIME             = 52,
        IEEE80211_ELEMID_EXT_EST_SERVICE_PARAM_OUTBOUND = 53,
        IEEE80211_ELEMID_EXT_OCI                        = 54,
        IEEE80211_ELEMID_EXT_MULTI_BSSID_CONFIG         = 55,
        IEEE80211_ELEMID_EXT_NON_INHERITANCE            = 56,
        IEEE80211_ELEMID_EXT_KNOWN_BSSID                = 57,
        IEEE80211_ELEMID_EXT_SHORT_SSID_LIST            = 58,
        IEEE80211_ELEMID_EXT_HE_6GHZ_BAND_CAPA          = 59,
        IEEE80211_ELEMID_EXT_ULMU_POWER_CAAP            = 60,
        /* 61-87 reserved. */
        IEEE80211_ELEMID_EXT_MSCS_DESCRIPTOR            = 88,
        IEEE80211_ELEMID_EXT_TCLAS_MASK                 = 89,
        IEEE80211_ELEMID_EXT_SUPPL_CLASS_2_CAPA         = 90,
        IEEE80211_ELEMID_EXT_OCT_SOURCE                 = 91,
        IEEE80211_ELEMID_EXT_REJECTED_GROUPS            = 92,
        IEEE80211_ELEMID_EXT_ANTI_CLOGGING_TAOKEN_CONTAINER = 93,
        /* 94-255 reserved. */
};

struct ieee80211_tim_ie {
        uint8_t         tim_ie;                 /* IEEE80211_ELEMID_TIM */
        uint8_t         tim_len;
        uint8_t         tim_count;              /* DTIM count */
        uint8_t         tim_period;             /* DTIM period */
        uint8_t         tim_bitctl;             /* bitmap control */
        uint8_t         tim_bitmap[1];          /* variable-length bitmap */
} __packed;

struct ieee80211_country_ie {
        uint8_t         ie;                     /* IEEE80211_ELEMID_COUNTRY */
        uint8_t         len;
        uint8_t         cc[3];                  /* ISO CC+(I)ndoor/(O)utdoor */
        struct {
                uint8_t schan;                  /* starting channel */
                uint8_t nchan;                  /* number channels */
                uint8_t maxtxpwr;               /* tx power cap */
        } __packed band[1];                     /* sub bands (NB: var size) */
} __packed;

#define IEEE80211_COUNTRY_MAX_BANDS     84      /* max possible bands */
#define IEEE80211_COUNTRY_MAX_SIZE \
        (sizeof(struct ieee80211_country_ie) + 3*(IEEE80211_COUNTRY_MAX_BANDS-1))

struct ieee80211_bss_load_ie {
        uint8_t         ie;
        uint8_t         len;
        uint16_t        sta_count;      /* station count */
        uint8_t         chan_load;      /* channel utilization */
        uint8_t         aac;            /* available admission capacity */
} __packed;

struct ieee80211_ap_chan_report_ie {
        uint8_t         ie;
        uint8_t         len;
        uint8_t         i_class; /* operating class */
        /* Annex E, E.1 Country information and operating classes */
        uint8_t         chan_list[0];
} __packed;

#define IEEE80211_EXTCAP_CMS                    (1ULL <<  0) /* 20/40 BSS coexistence management support */
#define IEEE80211_EXTCAP_RSVD_1                 (1ULL <<  1)
#define IEEE80211_EXTCAP_ECS                    (1ULL <<  2) /* extended channel switching */
#define IEEE80211_EXTCAP_RSVD_3                 (1ULL <<  3)
#define IEEE80211_EXTCAP_PSMP_CAP               (1ULL <<  4) /* PSMP capability */
#define IEEE80211_EXTCAP_RSVD_5                 (1ULL <<  5)
#define IEEE80211_EXTCAP_S_PSMP_SUPP            (1ULL <<  6)
#define IEEE80211_EXTCAP_EVENT                  (1ULL <<  7)
#define IEEE80211_EXTCAP_DIAGNOSTICS            (1ULL <<  8)
#define IEEE80211_EXTCAP_MCAST_DIAG             (1ULL <<  9)
#define IEEE80211_EXTCAP_LOC_TRACKING           (1ULL << 10)
#define IEEE80211_EXTCAP_FMS                    (1ULL << 11)
#define IEEE80211_EXTCAP_PROXY_ARP              (1ULL << 12)
#define IEEE80211_EXTCAP_CIR                    (1ULL << 13) /* collocated interference reporting */
#define IEEE80211_EXTCAP_CIVIC_LOC              (1ULL << 14)
#define IEEE80211_EXTCAP_GEOSPATIAL_LOC         (1ULL << 15)
#define IEEE80211_EXTCAP_TFS                    (1ULL << 16)
#define IEEE80211_EXTCAP_WNM_SLEEPMODE          (1ULL << 17)
#define IEEE80211_EXTCAP_TIM_BROADCAST          (1ULL << 18)
#define IEEE80211_EXTCAP_BSS_TRANSITION         (1ULL << 19)
#define IEEE80211_EXTCAP_QOS_TRAF_CAP           (1ULL << 20)
#define IEEE80211_EXTCAP_AC_STA_COUNT           (1ULL << 21)
#define IEEE80211_EXTCAP_M_BSSID                (1ULL << 22) /* multiple BSSID field */
#define IEEE80211_EXTCAP_TIMING_MEAS            (1ULL << 23)
#define IEEE80211_EXTCAP_CHAN_USAGE             (1ULL << 24)
#define IEEE80211_EXTCAP_SSID_LIST              (1ULL << 25)
#define IEEE80211_EXTCAP_DMS                    (1ULL << 26)
#define IEEE80211_EXTCAP_UTC_TSF_OFFSET         (1ULL << 27)
#define IEEE80211_EXTCAP_TLDS_BUF_STA_SUPP      (1ULL << 28) /* TDLS peer U-APSP buffer STA support */
#define IEEE80211_EXTCAP_TLDS_PPSM_SUPP         (1ULL << 29) /* TDLS peer PSM support */
#define IEEE80211_EXTCAP_TLDS_CH_SW             (1ULL << 30) /* TDLS channel switching */
#define IEEE80211_EXTCAP_INTERWORKING           (1ULL << 31)
#define IEEE80211_EXTCAP_QOSMAP                 (1ULL << 32)
#define IEEE80211_EXTCAP_EBR                    (1ULL << 33)
#define IEEE80211_EXTCAP_SSPN_IF                (1ULL << 34)
#define IEEE80211_EXTCAP_RSVD_35                (1ULL << 35)
#define IEEE80211_EXTCAP_MSGCF_CAP              (1ULL << 36)
#define IEEE80211_EXTCAP_TLDS_SUPP              (1ULL << 37)
#define IEEE80211_EXTCAP_TLDS_PROHIB            (1ULL << 38)
#define IEEE80211_EXTCAP_TLDS_CH_SW_PROHIB      (1ULL << 39) /* TDLS channel switching prohibited */
#define IEEE80211_EXTCAP_RUF                    (1ULL << 40) /* reject unadmitted frame */
/* service interval granularity */
#define IEEE80211_EXTCAP_SIG \
                                ((1ULL << 41) | (1ULL << 42) | (1ULL << 43))
#define IEEE80211_EXTCAP_ID_LOC                 (1ULL << 44)
#define IEEE80211_EXTCAP_U_APSD_COEX            (1ULL << 45)
#define IEEE80211_EXTCAP_WNM_NOTIFICATION       (1ULL << 46)
#define IEEE80211_EXTCAP_RSVD_47                (1ULL << 47)
#define IEEE80211_EXTCAP_SSID                   (1ULL << 48) /* UTF-8 SSID */
/* bits 49-n are reserved */

struct ieee80211_extcap_ie {
        uint8_t         ie;
        uint8_t         len;
} __packed;

/*
 * 802.11h Quiet Time Element.
 */
struct ieee80211_quiet_ie {
        uint8_t         quiet_ie;               /* IEEE80211_ELEMID_QUIET */
        uint8_t         len;
        uint8_t         tbttcount;              /* quiet start */
        uint8_t         period;                 /* beacon intervals between quiets */
        uint16_t        duration;               /* TUs of each quiet*/
        uint16_t        offset;                 /* TUs of from TBTT of quiet start */
} __packed;

/*
 * 802.11h Channel Switch Announcement (CSA).
 */
struct ieee80211_csa_ie {
        uint8_t         csa_ie;         /* IEEE80211_ELEMID_CHANSWITCHANN */
        uint8_t         csa_len;
        uint8_t         csa_mode;               /* Channel Switch Mode */
        uint8_t         csa_newchan;            /* New Channel Number */
        uint8_t         csa_count;              /* Channel Switch Count */
} __packed;

/*
 * Note the min acceptable CSA count is used to guard against
 * malicious CSA injection in station mode.  Defining this value
 * as other than 0 violates the 11h spec.
 */
#define IEEE80211_CSA_COUNT_MIN 2
#define IEEE80211_CSA_COUNT_MAX 255

/* rate set entries are in .5 Mb/s units, and potentially marked as basic */
#define IEEE80211_RATE_BASIC            0x80
#define IEEE80211_RATE_VAL              0x7f
#define IEEE80211_RV(v)                 ((v) & IEEE80211_RATE_VAL)

/* ERP information element flags */
#define IEEE80211_ERP_NON_ERP_PRESENT   0x01
#define IEEE80211_ERP_USE_PROTECTION    0x02
#define IEEE80211_ERP_LONG_PREAMBLE     0x04

#define IEEE80211_ERP_BITS \
        "\20\1NON_ERP_PRESENT\2USE_PROTECTION\3LONG_PREAMBLE"

#define ATH_OUI                 0x7f0300        /* Atheros OUI */
#define ATH_OUI_TYPE            0x01            /* Atheros protocol ie */

/* NB: Atheros allocated the OUI for this purpose ~2005 but beware ... */
#define TDMA_OUI                ATH_OUI
#define TDMA_OUI_TYPE           0x02            /* TDMA protocol ie */

#define BCM_OUI                 0x4c9000        /* Broadcom OUI */
#define BCM_OUI_HTCAP           51              /* pre-draft HTCAP ie */
#define BCM_OUI_HTINFO          52              /* pre-draft HTINFO ie */

#define WPA_OUI                 0xf25000
#define WPA_OUI_TYPE            0x01
#define WPA_VERSION             1               /* current supported version */

#define WPA_CSE_NULL            0x00
#define WPA_CSE_WEP40           0x01
#define WPA_CSE_TKIP            0x02
#define WPA_CSE_CCMP            0x04            /* CCMP 128-bit */
#define WPA_CSE_WEP104          0x05

#define WPA_ASE_NONE            0x00
#define WPA_ASE_8021X_UNSPEC    0x01
#define WPA_ASE_8021X_PSK       0x02

#define WPS_OUI_TYPE            0x04

/* 802.11-2016 Table 9-131 - Cipher Suite Selectors */
#define RSN_OUI                 0xac0f00
#define RSN_VERSION             1               /* current supported version */

/* RSN cipher suite element */
#define RSN_CSE_NULL            0
#define RSN_CSE_WEP40           1
#define RSN_CSE_TKIP            2
#define RSN_CSE_WRAP            3               /* Reserved in the 802.11-2016 */
#define RSN_CSE_CCMP            4               /* CCMP 128 bit */
#define RSN_CSE_WEP104          5
#define RSN_CSE_BIP_CMAC_128    6
/* 7 - "Group addressed traffic not allowed" */
#define RSN_CSE_GCMP_128        8
#define RSN_CSE_GCMP_256        9
#define RSN_CSE_CCMP_256        10
#define RSN_CSE_BIP_GMAC_128    11
#define RSN_CSE_BIP_GMAC_256    12
#define RSN_CSE_BIP_CMAC_256    13

/* 802.11-2016 Table 9-133 - AKM suite selectors */
/* RSN AKM suite element */
#define RSN_ASE_NONE            0
#define RSN_ASE_8021X_UNSPEC    1
#define RSN_ASE_8021X_PSK       2
#define RSN_ASE_FT_8021X        3               /* SHA-256 */
#define RSN_ASE_FT_PSK          4               /* SHA-256 */
#define RSN_ASE_8021X_UNSPEC_SHA256     5
#define RSN_ASE_8021X_PSK_SHA256        6
#define RSN_ASE_8021X_TDLS      7               /* SHA-256 */
#define RSN_ASE_SAE_UNSPEC      8               /* SHA-256 */
#define RSN_ASE_FT_SAE          9               /* SHA-256 */
#define RSN_ASE_AP_PEERKEY      10              /* SHA-256 */
#define RSN_ASE_8021X_SUITE_B_SHA256    11
#define RSN_ASE_8021X_SUITE_B_SHA384    12
#define RSN_ASE_FT_8021X_SHA384 13

/* 802.11-2016 Figure 9-257 - RSN Capabilities (2 byte field) */
#define RSN_CAP_PREAUTH         0x0001
#define RSN_CAP_NO_PAIRWISE     0x0002
#define RSN_CAP_PTKSA_REPLAY_COUNTER    0x000c  /* 2 bit field */
#define RSN_CAP_GTKSA_REPLAY_COUNTER    0x0030  /* 2 bit field */
#define RSN_CAP_MFP_REQUIRED    0x0040
#define RSN_CAP_MFP_CAPABLE     0x0080
#define RSN_CAP_JOINT_MULTIBAND_RSNA            0x0100
#define RSN_CAP_PEERKEY_ENABLED 0x0200
#define RSN_CAP_SPP_AMSDU_CAPABLE       0x0400
#define RSN_CAP_SPP_AMSDU_REQUIRED      0x0800
#define RSN_CAP_PBAC_CAPABLE    0x1000
#define RSN_CAP_EXT_KEYID_CAPABLE       0x0200

/* 802.11-2016 Table 9-134 PTKSA/GTKSA/STKSA replay counters usage */
#define         RSN_CAP_REPLAY_COUNTER_1_PER    0
#define         RSN_CAP_REPLAY_COUNTER_2_PER    1
#define         RSN_CAP_REPLAY_COUNTER_4_PER    2
#define         RSN_CAP_REPLAY_COUNTER_16_PER   3

#define WME_OUI                 0xf25000
#define WME_OUI_TYPE            0x02
#define WME_INFO_OUI_SUBTYPE    0x00
#define WME_PARAM_OUI_SUBTYPE   0x01
#define WME_VERSION             1

/* WME stream classes */
#define WME_AC_BE       0               /* best effort */
#define WME_AC_BK       1               /* background */
#define WME_AC_VI       2               /* video */
#define WME_AC_VO       3               /* voice */

/*
 * AUTH management packets
 *
 *      octet algo[2]
 *      octet seq[2]
 *      octet status[2]
 *      octet chal.id
 *      octet chal.length
 *      octet chal.text[253]            NB: 1-253 bytes
 */

/* challenge length for shared key auth */
#define IEEE80211_CHALLENGE_LEN         128

#define IEEE80211_AUTH_ALG_OPEN         0x0000
#define IEEE80211_AUTH_ALG_SHARED       0x0001
#define IEEE80211_AUTH_ALG_LEAP         0x0080

enum {
        IEEE80211_AUTH_OPEN_REQUEST             = 1,
        IEEE80211_AUTH_OPEN_RESPONSE            = 2,
};

enum {
        IEEE80211_AUTH_SHARED_REQUEST           = 1,
        IEEE80211_AUTH_SHARED_CHALLENGE         = 2,
        IEEE80211_AUTH_SHARED_RESPONSE          = 3,
        IEEE80211_AUTH_SHARED_PASS              = 4,
};

/*
 * Reason and status codes.
 *
 * Reason codes are used in management frames to indicate why an
 * action took place (e.g. on disassociation).  Status codes are
 * used in management frames to indicate the result of an operation.
 *
 * Unlisted codes are reserved
 */

enum {
        IEEE80211_REASON_UNSPECIFIED            = 1,
        IEEE80211_REASON_AUTH_EXPIRE            = 2,
        IEEE80211_REASON_AUTH_LEAVE             = 3,
        IEEE80211_REASON_ASSOC_EXPIRE           = 4,
        IEEE80211_REASON_ASSOC_TOOMANY          = 5,
        IEEE80211_REASON_NOT_AUTHED             = 6,
        IEEE80211_REASON_NOT_ASSOCED            = 7,
        IEEE80211_REASON_ASSOC_LEAVE            = 8,
        IEEE80211_REASON_ASSOC_NOT_AUTHED       = 9,
        IEEE80211_REASON_DISASSOC_PWRCAP_BAD    = 10,   /* 11h */
        IEEE80211_REASON_DISASSOC_SUPCHAN_BAD   = 11,   /* 11h */
        IEEE80211_REASON_IE_INVALID             = 13,   /* 11i */
        IEEE80211_REASON_MIC_FAILURE            = 14,   /* 11i */
        IEEE80211_REASON_4WAY_HANDSHAKE_TIMEOUT = 15,   /* 11i */
        IEEE80211_REASON_GROUP_KEY_UPDATE_TIMEOUT = 16, /* 11i */
        IEEE80211_REASON_IE_IN_4WAY_DIFFERS     = 17,   /* 11i */
        IEEE80211_REASON_GROUP_CIPHER_INVALID   = 18,   /* 11i */
        IEEE80211_REASON_PAIRWISE_CIPHER_INVALID= 19,   /* 11i */
        IEEE80211_REASON_AKMP_INVALID           = 20,   /* 11i */
        IEEE80211_REASON_UNSUPP_RSN_IE_VERSION  = 21,   /* 11i */
        IEEE80211_REASON_INVALID_RSN_IE_CAP     = 22,   /* 11i */
        IEEE80211_REASON_802_1X_AUTH_FAILED     = 23,   /* 11i */
        IEEE80211_REASON_CIPHER_SUITE_REJECTED  = 24,   /* 11i */
        IEEE80211_REASON_UNSPECIFIED_QOS        = 32,   /* 11e */
        IEEE80211_REASON_INSUFFICIENT_BW        = 33,   /* 11e */
        IEEE80211_REASON_TOOMANY_FRAMES         = 34,   /* 11e */
        IEEE80211_REASON_OUTSIDE_TXOP           = 35,   /* 11e */
        IEEE80211_REASON_LEAVING_QBSS           = 36,   /* 11e */
        IEEE80211_REASON_BAD_MECHANISM          = 37,   /* 11e */
        IEEE80211_REASON_SETUP_NEEDED           = 38,   /* 11e */
        IEEE80211_REASON_TIMEOUT                = 39,   /* 11e */

        IEEE80211_REASON_PEER_LINK_CANCELED     = 52,   /* 11s */
        IEEE80211_REASON_MESH_MAX_PEERS         = 53,   /* 11s */
        IEEE80211_REASON_MESH_CPVIOLATION       = 54,   /* 11s */
        IEEE80211_REASON_MESH_CLOSE_RCVD        = 55,   /* 11s */
        IEEE80211_REASON_MESH_MAX_RETRIES       = 56,   /* 11s */
        IEEE80211_REASON_MESH_CONFIRM_TIMEOUT   = 57,   /* 11s */
        IEEE80211_REASON_MESH_INVALID_GTK       = 58,   /* 11s */
        IEEE80211_REASON_MESH_INCONS_PARAMS     = 59,   /* 11s */
        IEEE80211_REASON_MESH_INVALID_SECURITY  = 60,   /* 11s */
        IEEE80211_REASON_MESH_PERR_NO_PROXY     = 61,   /* 11s */
        IEEE80211_REASON_MESH_PERR_NO_FI        = 62,   /* 11s */
        IEEE80211_REASON_MESH_PERR_DEST_UNREACH = 63,   /* 11s */
        IEEE80211_REASON_MESH_MAC_ALRDY_EXISTS_MBSS = 64, /* 11s */
        IEEE80211_REASON_MESH_CHAN_SWITCH_REG   = 65,   /* 11s */
        IEEE80211_REASON_MESH_CHAN_SWITCH_UNSPEC = 66,  /* 11s */

        IEEE80211_STATUS_SUCCESS                = 0,
        IEEE80211_STATUS_UNSPECIFIED            = 1,
        IEEE80211_STATUS_CAPINFO                = 10,
        IEEE80211_STATUS_NOT_ASSOCED            = 11,
        IEEE80211_STATUS_OTHER                  = 12,
        IEEE80211_STATUS_ALG                    = 13,
        IEEE80211_STATUS_SEQUENCE               = 14,
        IEEE80211_STATUS_CHALLENGE              = 15,
        IEEE80211_STATUS_TIMEOUT                = 16,
        IEEE80211_STATUS_TOOMANY                = 17,
        IEEE80211_STATUS_BASIC_RATE             = 18,
        IEEE80211_STATUS_SP_REQUIRED            = 19,   /* 11b */
        IEEE80211_STATUS_PBCC_REQUIRED          = 20,   /* 11b */
        IEEE80211_STATUS_CA_REQUIRED            = 21,   /* 11b */
        IEEE80211_STATUS_SPECMGMT_REQUIRED      = 22,   /* 11h */
        IEEE80211_STATUS_PWRCAP_REQUIRED        = 23,   /* 11h */
        IEEE80211_STATUS_SUPCHAN_REQUIRED       = 24,   /* 11h */
        IEEE80211_STATUS_SHORTSLOT_REQUIRED     = 25,   /* 11g */
        IEEE80211_STATUS_DSSSOFDM_REQUIRED      = 26,   /* 11g */
        IEEE80211_STATUS_MISSING_HT_CAPS        = 27,   /* 11n D3.0 */
        IEEE80211_STATUS_INVALID_IE             = 40,   /* 11i */
        IEEE80211_STATUS_GROUP_CIPHER_INVALID   = 41,   /* 11i */
        IEEE80211_STATUS_PAIRWISE_CIPHER_INVALID = 42,  /* 11i */
        IEEE80211_STATUS_AKMP_INVALID           = 43,   /* 11i */
        IEEE80211_STATUS_UNSUPP_RSN_IE_VERSION  = 44,   /* 11i */
        IEEE80211_STATUS_INVALID_RSN_IE_CAP     = 45,   /* 11i */
        IEEE80211_STATUS_CIPHER_SUITE_REJECTED  = 46,   /* 11i */
};

#define IEEE80211_WEP_KEYLEN            5       /* 40bit */
#define IEEE80211_WEP_IVLEN             3       /* 24bit */
#define IEEE80211_WEP_KIDLEN            1       /* 1 octet */
#define IEEE80211_WEP_CRCLEN            4       /* CRC-32 */
#define IEEE80211_WEP_TOTLEN            (IEEE80211_WEP_IVLEN + \
                                         IEEE80211_WEP_KIDLEN + \
                                         IEEE80211_WEP_CRCLEN)
#define IEEE80211_WEP_NKID              4       /* number of key ids */

/*
 * 802.11i defines an extended IV for use with non-WEP ciphers.
 * When the EXTIV bit is set in the key id byte an additional
 * 4 bytes immediately follow the IV for TKIP.  For CCMP the
 * EXTIV bit is likewise set but the 8 bytes represent the
 * CCMP header rather than IV+extended-IV.
 */
#define IEEE80211_WEP_EXTIV             0x20
#define IEEE80211_WEP_EXTIVLEN          4       /* extended IV length */
#define IEEE80211_WEP_MICLEN            8       /* trailing MIC */

#define IEEE80211_CRC_LEN               4

/*
 * Maximum acceptable MTU is:
 *      IEEE80211_MAX_LEN - WEP overhead - CRC -
 *              QoS overhead - RSN/WPA overhead
 * Min is arbitrarily chosen > IEEE80211_MIN_LEN.  The default
 * mtu is Ethernet-compatible; it's set by ether_ifattach.
 */
#define IEEE80211_MTU_MAX               2290
#define IEEE80211_MTU_MIN               32

#define IEEE80211_MAX_LEN               (2300 + IEEE80211_CRC_LEN + \
    (IEEE80211_WEP_IVLEN + IEEE80211_WEP_KIDLEN + IEEE80211_WEP_CRCLEN))
#define IEEE80211_ACK_LEN \
        (sizeof(struct ieee80211_frame_ack) + IEEE80211_CRC_LEN)
#define IEEE80211_MIN_LEN \
        (sizeof(struct ieee80211_frame_min) + IEEE80211_CRC_LEN)

/*
 * The 802.11 spec says at most 2007 stations may be
 * associated at once.  For most AP's this is way more
 * than is feasible so we use a default of IEEE80211_AID_DEF.
 * This number may be overridden by the driver and/or by
 * user configuration but may not be less than IEEE80211_AID_MIN
 * (see _ieee80211.h for implementation-specific settings).
 */
#define IEEE80211_AID_MAX               2007

#define IEEE80211_AID(b)        ((b) &~ 0xc000)

/* 
 * RTS frame length parameters.  The default is specified in
 * the 802.11 spec as 512; we treat it as implementation-dependent
 * so it's defined in ieee80211_var.h.  The max may be wrong
 * for jumbo frames.
 */
#define IEEE80211_RTS_MIN               1
#define IEEE80211_RTS_MAX               2346

/* 
 * TX fragmentation parameters.  As above for RTS, we treat
 * default as implementation-dependent so define it elsewhere.
 */
#define IEEE80211_FRAG_MIN              256
#define IEEE80211_FRAG_MAX              2346

/*
 * Beacon interval (TU's).  Min+max come from WiFi requirements.
 * As above, we treat default as implementation-dependent so
 * define it elsewhere.
 */
#define IEEE80211_BINTVAL_MAX   1000    /* max beacon interval (TU's) */
#define IEEE80211_BINTVAL_MIN   25      /* min beacon interval (TU's) */

/*
 * DTIM period (beacons).  Min+max are not really defined
 * by the protocol but we want them publicly visible so
 * define them here.
 */
#define IEEE80211_DTIM_MAX      15      /* max DTIM period */
#define IEEE80211_DTIM_MIN      1       /* min DTIM period */

/*
 * Beacon miss threshold (beacons).  As for DTIM, we define
 * them here to be publicly visible.  Note the max may be
 * clamped depending on device capabilities.
 */
#define IEEE80211_HWBMISS_MIN   1
#define IEEE80211_HWBMISS_MAX   255

/*
 * 802.11 frame duration definitions.
 */

struct ieee80211_duration {
        uint16_t        d_rts_dur;
        uint16_t        d_data_dur;
        uint16_t        d_plcp_len;
        uint8_t         d_residue;      /* unused octets in time slot */
};

/* One Time Unit (TU) is 1Kus = 1024 microseconds. */
#define IEEE80211_DUR_TU                1024

/* IEEE 802.11b durations for DSSS PHY in microseconds */
#define IEEE80211_DUR_DS_LONG_PREAMBLE  144
#define IEEE80211_DUR_DS_SHORT_PREAMBLE 72

#define IEEE80211_DUR_DS_SLOW_PLCPHDR   48
#define IEEE80211_DUR_DS_FAST_PLCPHDR   24
#define IEEE80211_DUR_DS_SLOW_ACK       112
#define IEEE80211_DUR_DS_FAST_ACK       56
#define IEEE80211_DUR_DS_SLOW_CTS       112
#define IEEE80211_DUR_DS_FAST_CTS       56

#define IEEE80211_DUR_DS_SLOT           20
#define IEEE80211_DUR_DS_SIFS           10
#define IEEE80211_DUR_DS_PIFS   (IEEE80211_DUR_DS_SIFS + IEEE80211_DUR_DS_SLOT)
#define IEEE80211_DUR_DS_DIFS   (IEEE80211_DUR_DS_SIFS + \
                                 2 * IEEE80211_DUR_DS_SLOT)
#define IEEE80211_DUR_DS_EIFS   (IEEE80211_DUR_DS_SIFS + \
                                 IEEE80211_DUR_DS_SLOW_ACK + \
                                 IEEE80211_DUR_DS_LONG_PREAMBLE + \
                                 IEEE80211_DUR_DS_SLOW_PLCPHDR + \
                                 IEEE80211_DUR_DIFS)

#endif /* _NET80211_IEEE80211_H_ */