root/sys/compat/linuxkpi/common/include/net/mac80211.h
/*-
 * Copyright (c) 2020-2026 The FreeBSD Foundation
 * Copyright (c) 2020-2025 Bjoern A. Zeeb
 *
 * This software was 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 AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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 _LINUXKPI_NET_MAC80211_H
#define _LINUXKPI_NET_MAC80211_H

#include <sys/types.h>

#include <asm/atomic64.h>
#include <linux/bitops.h>
#include <linux/bitfield.h>
#include <linux/etherdevice.h>
#include <linux/ethtool.h>
#include <linux/netdevice.h>
#include <linux/skbuff.h>
#include <linux/workqueue.h>
#include <linux/dcache.h>
#include <linux/ieee80211.h>
#include <net/cfg80211.h>
#include <net/if_inet6.h>

#define ARPHRD_IEEE80211_RADIOTAP               __LINE__ /* XXX TODO brcmfmac */

#define WLAN_OUI_MICROSOFT                      (0x0050F2)
#define WLAN_OUI_TYPE_MICROSOFT_WPA             (1)
#define WLAN_OUI_TYPE_MICROSOFT_TPC             (8)
#define WLAN_OUI_TYPE_WFA_P2P                   (9)
#define WLAN_OUI_WFA                            (0x506F9A)

#define IEEE80211_LINK_UNSPECIFIED              0x0f

/* hw->conf.flags */
enum ieee80211_hw_conf_flags {
        IEEE80211_CONF_IDLE                     = BIT(0),
        IEEE80211_CONF_PS                       = BIT(1),
        IEEE80211_CONF_MONITOR                  = BIT(2),
        IEEE80211_CONF_OFFCHANNEL               = BIT(3),
};

/* (*ops->config()) */
enum ieee80211_hw_conf_changed_flags {
        IEEE80211_CONF_CHANGE_CHANNEL           = BIT(0),
        IEEE80211_CONF_CHANGE_IDLE              = BIT(1),
        IEEE80211_CONF_CHANGE_PS                = BIT(2),
        IEEE80211_CONF_CHANGE_MONITOR           = BIT(3),
        IEEE80211_CONF_CHANGE_POWER             = BIT(4),
};

#define CFG80211_TESTMODE_CMD(_x)       /* XXX TODO */
#define CFG80211_TESTMODE_DUMP(_x)      /* XXX TODO */

#define FCS_LEN                         4

/* ops.configure_filter() */
enum mcast_filter_flags {
        FIF_ALLMULTI                    = BIT(0),
        FIF_PROBE_REQ                   = BIT(1),
        FIF_BCN_PRBRESP_PROMISC         = BIT(2),
        FIF_FCSFAIL                     = BIT(3),
        FIF_OTHER_BSS                   = BIT(4),
        FIF_PSPOLL                      = BIT(5),
        FIF_CONTROL                     = BIT(6),
        FIF_MCAST_ACTION                = BIT(7),

        /* Must stay last. */
        FIF_FLAGS_MASK                  = BIT(8)-1,
};

enum ieee80211_bss_changed {
        BSS_CHANGED_ARP_FILTER          = BIT(0),
        BSS_CHANGED_ASSOC               = BIT(1),
        BSS_CHANGED_BANDWIDTH           = BIT(2),
        BSS_CHANGED_BEACON              = BIT(3),
        BSS_CHANGED_BEACON_ENABLED      = BIT(4),
        BSS_CHANGED_BEACON_INFO         = BIT(5),
        BSS_CHANGED_BEACON_INT          = BIT(6),
        BSS_CHANGED_BSSID               = BIT(7),
        BSS_CHANGED_CQM                 = BIT(8),
        BSS_CHANGED_ERP_CTS_PROT        = BIT(9),
        BSS_CHANGED_ERP_SLOT            = BIT(10),
        BSS_CHANGED_FTM_RESPONDER       = BIT(11),
        BSS_CHANGED_HT                  = BIT(12),
        BSS_CHANGED_IDLE                = BIT(13),
        BSS_CHANGED_MU_GROUPS           = BIT(14),
        BSS_CHANGED_P2P_PS              = BIT(15),
        BSS_CHANGED_PS                  = BIT(16),
        BSS_CHANGED_QOS                 = BIT(17),
        BSS_CHANGED_TXPOWER             = BIT(18),
        BSS_CHANGED_HE_BSS_COLOR        = BIT(19),
        BSS_CHANGED_AP_PROBE_RESP       = BIT(20),
        BSS_CHANGED_BASIC_RATES         = BIT(21),
        BSS_CHANGED_ERP_PREAMBLE        = BIT(22),
        BSS_CHANGED_IBSS                = BIT(23),
        BSS_CHANGED_MCAST_RATE          = BIT(24),
        BSS_CHANGED_SSID                = BIT(25),
        BSS_CHANGED_FILS_DISCOVERY      = BIT(26),
        BSS_CHANGED_HE_OBSS_PD          = BIT(27),
        BSS_CHANGED_TWT                 = BIT(28),
        BSS_CHANGED_UNSOL_BCAST_PROBE_RESP = BIT(30),
        BSS_CHANGED_EHT_PUNCTURING      = BIT(31),
        BSS_CHANGED_MLD_VALID_LINKS     = BIT_ULL(32),
        BSS_CHANGED_MLD_TTLM            = BIT_ULL(33),
        BSS_CHANGED_TPE                 = BIT_ULL(34),
};

/* 802.11 Figure 9-256 Suite selector format. [OUI(3), SUITE TYPE(1)] */
#define WLAN_CIPHER_SUITE_OUI(_oui, _x) (((_oui) << 8) | ((_x) & 0xff))

/* 802.11 Table 9-131 Cipher suite selectors. */
/* 802.1x suite B                       11 */
#define WLAN_CIPHER_SUITE(_x)           WLAN_CIPHER_SUITE_OUI(0x000fac, _x)
/* Use group                            0 */
#define WLAN_CIPHER_SUITE_WEP40         WLAN_CIPHER_SUITE(1)
#define WLAN_CIPHER_SUITE_TKIP          WLAN_CIPHER_SUITE(2)
/* Reserved                             3 */
#define WLAN_CIPHER_SUITE_CCMP          WLAN_CIPHER_SUITE(4)    /* CCMP-128 */
#define WLAN_CIPHER_SUITE_WEP104        WLAN_CIPHER_SUITE(5)
#define WLAN_CIPHER_SUITE_AES_CMAC      WLAN_CIPHER_SUITE(6)    /* BIP-CMAC-128 */
/* Group addressed traffic not allowed  7 */
#define WLAN_CIPHER_SUITE_GCMP          WLAN_CIPHER_SUITE(8)
#define WLAN_CIPHER_SUITE_GCMP_256      WLAN_CIPHER_SUITE(9)
#define WLAN_CIPHER_SUITE_CCMP_256      WLAN_CIPHER_SUITE(10)
#define WLAN_CIPHER_SUITE_BIP_GMAC_128  WLAN_CIPHER_SUITE(11)
#define WLAN_CIPHER_SUITE_BIP_GMAC_256  WLAN_CIPHER_SUITE(12)
#define WLAN_CIPHER_SUITE_BIP_CMAC_256  WLAN_CIPHER_SUITE(13)
/* Reserved                             14-255 */

/* See ISO/IEC JTC 1 N 9880 Table 11 */
#define WLAN_CIPHER_SUITE_SMS4          WLAN_CIPHER_SUITE_OUI(0x001472, 1)


/* 802.11 Table 9-133 AKM suite selectors. */
#define WLAN_AKM_SUITE(_x)              WLAN_CIPHER_SUITE_OUI(0x000fac, _x)
/* Reserved                             0 */
#define WLAN_AKM_SUITE_8021X            WLAN_AKM_SUITE(1)
#define WLAN_AKM_SUITE_PSK              WLAN_AKM_SUITE(2)
#define WLAN_AKM_SUITE_FT_8021X         WLAN_AKM_SUITE(3)
#define WLAN_AKM_SUITE_FT_PSK           WLAN_AKM_SUITE(4)
#define WLAN_AKM_SUITE_8021X_SHA256     WLAN_AKM_SUITE(5)
#define WLAN_AKM_SUITE_PSK_SHA256       WLAN_AKM_SUITE(6)
/* TDLS                                 7 */
#define WLAN_AKM_SUITE_SAE              WLAN_AKM_SUITE(8)
#define WLAN_AKM_SUITE_FT_OVER_SAE      WLAN_AKM_SUITE(9)
/* AP peer key                          10 */
/* 802.1x suite B                       11 */
/* 802.1x suite B 384                   12 */
/* FTo802.1x 384                        13 */
/* Reserved                             14-255 */
/* Apparently 11ax defines more. Seen (19,20) mentioned. */

#define TKIP_PN_TO_IV16(_x)             ((uint16_t)(_x & 0xffff))
#define TKIP_PN_TO_IV32(_x)             ((uint32_t)((_x >> 16) & 0xffffffff))

enum ieee80211_neg_ttlm_res {
        NEG_TTLM_RES_ACCEPT,
        NEG_TTLM_RES_REJECT,
};

#define IEEE80211_TTLM_NUM_TIDS 8
struct ieee80211_neg_ttlm {
        uint16_t downlink[IEEE80211_TTLM_NUM_TIDS];
        uint16_t uplink[IEEE80211_TTLM_NUM_TIDS];
};

/* 802.11-2020 9.4.2.55.3 A-MPDU Parameters field */
#define IEEE80211_HT_AMPDU_PARM_FACTOR          0x3
#define IEEE80211_HT_AMPDU_PARM_DENSITY_SHIFT   2
#define IEEE80211_HT_AMPDU_PARM_DENSITY         (0x7 << IEEE80211_HT_AMPDU_PARM_DENSITY_SHIFT)

struct ieee80211_sta;

struct ieee80211_ampdu_params {
        struct ieee80211_sta                    *sta;
        enum ieee80211_ampdu_mlme_action        action;
        uint16_t                                buf_size;
        uint16_t                                timeout;
        uint16_t                                ssn;
        uint8_t                                 tid;
        bool                                    amsdu;
};

struct ieee80211_bar {
        /* TODO FIXME */
        int             control, start_seq_num;
        uint8_t         *ra;
        uint16_t        frame_control;
};

struct ieee80211_mutable_offsets {
        /* TODO FIXME */
        uint16_t                                tim_offset;
        uint16_t                                cntdwn_counter_offs[2];

        int     mbssid_off;
};

struct mac80211_fils_discovery {
        uint32_t                                max_interval;
};

struct ieee80211_chanctx_conf {
        struct cfg80211_chan_def                def;
        struct cfg80211_chan_def                min_def;
        struct cfg80211_chan_def                ap;

        uint8_t                                 rx_chains_dynamic;
        uint8_t                                 rx_chains_static;
        bool                                    radar_enabled;

        /* Must stay last. */
        uint8_t                                 drv_priv[0] __aligned(CACHE_LINE_SIZE);
};

struct ieee80211_rate_status {
        struct rate_info                        rate_idx;
        uint8_t                                 try_count;
};

struct ieee80211_ema_beacons {
        uint8_t                                 cnt;
        struct {
                struct sk_buff                  *skb;
                struct ieee80211_mutable_offsets offs;
        } bcn[0];
};

struct ieee80211_chanreq {
        struct cfg80211_chan_def oper;
};

#define WLAN_MEMBERSHIP_LEN                     (8)
#define WLAN_USER_POSITION_LEN                  (16)

/*
 * 802.11ac-2013, 8.4.2.164 VHT Transmit Power Envelope element
 * 802.11-???? ?
 */
struct ieee80211_parsed_tpe_eirp {
        int8_t                                  power[5];
        uint8_t                                 count;
        bool                                    valid;
};
struct ieee80211_parsed_tpe_psd {
        int8_t                                  power[16];
        uint8_t                                 count;
        bool                                    valid;
};
struct ieee80211_parsed_tpe {
        /* We see access to [0] so assume at least 2. */
        struct ieee80211_parsed_tpe_eirp        max_local[2];
        struct ieee80211_parsed_tpe_eirp        max_reg_client[2];
        struct ieee80211_parsed_tpe_psd         psd_local[2];
        struct ieee80211_parsed_tpe_psd         psd_reg_client[2];
};

struct ieee80211_bss_conf {
        /* TODO FIXME */
        struct ieee80211_vif                    *vif;
        struct cfg80211_bss                     *bss;
        const uint8_t                           *bssid;
        uint8_t                                 addr[ETH_ALEN];
        uint8_t                                 link_id;
        uint8_t                                 _pad0;
        uint8_t                                 transmitter_bssid[ETH_ALEN];
        struct ieee80211_ftm_responder_params   *ftmr_params;
        struct ieee80211_p2p_noa_attr           p2p_noa_attr;
        struct ieee80211_chanreq                chanreq;
        __be32                                  arp_addr_list[1];       /* XXX TODO */
        struct ieee80211_rate                   *beacon_rate;
        struct {
                uint8_t membership[WLAN_MEMBERSHIP_LEN];
                uint8_t position[WLAN_USER_POSITION_LEN];
        }  mu_group;
        struct {
                uint32_t                        params;
                /* single field struct? */
        } he_oper;
        struct cfg80211_he_bss_color            he_bss_color;
        struct ieee80211_he_obss_pd             he_obss_pd;

        bool                                    ht_ldpc;
        bool                                    vht_ldpc;
        bool                                    he_ldpc;
        bool                                    vht_mu_beamformee;
        bool                                    vht_mu_beamformer;
        bool                                    vht_su_beamformee;
        bool                                    vht_su_beamformer;
        bool                                    he_mu_beamformer;
        bool                                    he_su_beamformee;
        bool                                    he_su_beamformer;
        bool                                    he_full_ul_mumimo;
        bool                                    eht_su_beamformee;
        bool                                    eht_su_beamformer;
        bool                                    eht_mu_beamformer;

        uint16_t                                ht_operation_mode;
        int                                     arp_addr_cnt;
        uint16_t                                eht_puncturing;

        uint8_t                                 dtim_period;
        uint8_t                                 sync_dtim_count;
        uint8_t                                 bss_param_ch_cnt_link_id;
        bool                                    qos;
        bool                                    twt_broadcast;
        bool                                    use_cts_prot;
        bool                                    use_short_preamble;
        bool                                    use_short_slot;
        bool                                    he_support;
        bool                                    eht_support;
        bool                                    csa_active;
        bool                                    mu_mimo_owner;
        bool                                    color_change_active;
        uint32_t                                sync_device_ts;
        uint64_t                                sync_tsf;
        uint16_t                                beacon_int;
        int16_t                                 txpower;
        uint32_t                                basic_rates;
        int                                     mcast_rate[NUM_NL80211_BANDS];
        enum ieee80211_ap_reg_power             power_type;
        struct cfg80211_bitrate_mask            beacon_tx_rate;
        struct mac80211_fils_discovery          fils_discovery;
        struct ieee80211_chanctx_conf           *chanctx_conf;
        struct ieee80211_vif                    *mbssid_tx_vif;
        struct ieee80211_parsed_tpe             tpe;

        int             ack_enabled, bssid_index, bssid_indicator, cqm_rssi_hyst, cqm_rssi_thold, ema_ap, frame_time_rts_th, ftm_responder;
        int             htc_trig_based_pkt_ext;
        int             multi_sta_back_32bit, nontransmitted;
        int             profile_periodicity;
        int             twt_requester, uora_exists, uora_ocw_range;
        int             assoc_capability, enable_beacon, hidden_ssid, ibss_joined, twt_protected;
        int             twt_responder, unsol_bcast_probe_resp_interval;
};

struct ieee80211_channel_switch {
        /* TODO FIXME */
        int             block_tx, count, delay, device_timestamp, timestamp;
        uint8_t                                 link_id;
        struct cfg80211_chan_def                chandef;
};

enum ieee80211_event_type {
        BA_FRAME_TIMEOUT,
        BAR_RX_EVENT,
        MLME_EVENT,
        RSSI_EVENT,
};

enum ieee80211_rssi_event_data {
        RSSI_EVENT_LOW,
        RSSI_EVENT_HIGH,
};

enum ieee80211_mlme_event_data {
        ASSOC_EVENT,
        AUTH_EVENT,
        DEAUTH_RX_EVENT,
        DEAUTH_TX_EVENT,
};

enum ieee80211_mlme_event_status {
        MLME_DENIED,
        MLME_TIMEOUT,
};

struct ieee80211_mlme_event {
        enum ieee80211_mlme_event_data          data;
        enum ieee80211_mlme_event_status        status;
        int                                     reason;
};

struct ieee80211_event {
        /* TODO FIXME */
        enum ieee80211_event_type               type;
        union {
                struct {
                        int     ssn;
                        struct ieee80211_sta    *sta;
                        uint8_t                 tid;
                } ba;
                struct ieee80211_mlme_event     mlme;
        } u;
};

struct ieee80211_ftm_responder_params {
        /* TODO FIXME */
        uint8_t                                 *lci;
        uint8_t                                 *civicloc;
        int                                     lci_len;
        int                                     civicloc_len;
};

struct ieee80211_conf {
        int                                     dynamic_ps_timeout;
        int                                     power_level;
        uint32_t                                listen_interval;
        bool                                    radar_enabled;
        enum ieee80211_hw_conf_flags            flags;
        struct cfg80211_chan_def                chandef;
};

enum ieee80211_hw_flags {
        IEEE80211_HW_AMPDU_AGGREGATION,
        IEEE80211_HW_AP_LINK_PS,
        IEEE80211_HW_BUFF_MMPDU_TXQ,
        IEEE80211_HW_CHANCTX_STA_CSA,
        IEEE80211_HW_CONNECTION_MONITOR,
        IEEE80211_HW_HAS_RATE_CONTROL,
        IEEE80211_HW_MFP_CAPABLE,
        IEEE80211_HW_NEEDS_UNIQUE_STA_ADDR,
        IEEE80211_HW_REPORTS_TX_ACK_STATUS,
        IEEE80211_HW_RX_INCLUDES_FCS,
        IEEE80211_HW_SIGNAL_DBM,
        IEEE80211_HW_SINGLE_SCAN_ON_ALL_BANDS,
        IEEE80211_HW_SPECTRUM_MGMT,
        IEEE80211_HW_STA_MMPDU_TXQ,
        IEEE80211_HW_SUPPORTS_AMSDU_IN_AMPDU,
        IEEE80211_HW_SUPPORTS_CLONED_SKBS,
        IEEE80211_HW_SUPPORTS_DYNAMIC_PS,
        IEEE80211_HW_SUPPORTS_MULTI_BSSID,
        IEEE80211_HW_SUPPORTS_ONLY_HE_MULTI_BSSID,
        IEEE80211_HW_SUPPORTS_PS,
        IEEE80211_HW_SUPPORTS_REORDERING_BUFFER,
        IEEE80211_HW_SUPPORTS_VHT_EXT_NSS_BW,
        IEEE80211_HW_SUPPORT_FAST_XMIT,
        IEEE80211_HW_TDLS_WIDER_BW,
        IEEE80211_HW_TIMING_BEACON_ONLY,
        IEEE80211_HW_TX_AMPDU_SETUP_IN_HW,
        IEEE80211_HW_TX_AMSDU,
        IEEE80211_HW_TX_FRAG_LIST,
        IEEE80211_HW_USES_RSS,
        IEEE80211_HW_WANT_MONITOR_VIF,
        IEEE80211_HW_SW_CRYPTO_CONTROL,
        IEEE80211_HW_SUPPORTS_TX_FRAG,
        IEEE80211_HW_SUPPORTS_TDLS_BUFFER_STA,
        IEEE80211_HW_SUPPORTS_PER_STA_GTK,
        IEEE80211_HW_REPORTS_LOW_ACK,
        IEEE80211_HW_QUEUE_CONTROL,
        IEEE80211_HW_SUPPORTS_RX_DECAP_OFFLOAD,
        IEEE80211_HW_SUPPORTS_TX_ENCAP_OFFLOAD,
        IEEE80211_HW_SUPPORTS_RC_TABLE,
        IEEE80211_HW_DETECTS_COLOR_COLLISION,
        IEEE80211_HW_DISALLOW_PUNCTURING,
        IEEE80211_HW_DISALLOW_PUNCTURING_5GHZ,
        IEEE80211_HW_TX_STATUS_NO_AMPDU_LEN,
        IEEE80211_HW_HANDLES_QUIET_CSA,
        IEEE80211_HW_NO_VIRTUAL_MONITOR,

        /* Keep last. */
        NUM_IEEE80211_HW_FLAGS
};

struct ieee80211_hw {

        struct wiphy                    *wiphy;

        /* TODO FIXME */
        int             extra_tx_headroom, weight_multiplier;
        int             max_rate_tries, max_rates, max_report_rates;
        const char                      *rate_control_algorithm;
        struct {
                uint16_t units_pos;     /* radiotap "spec" is .. inconsistent. */
                uint16_t accuracy;
        } radiotap_timestamp;
        size_t                          sta_data_size;
        size_t                          vif_data_size;
        size_t                          chanctx_data_size;
        size_t                          txq_data_size;
        uint16_t                        radiotap_mcs_details;
        uint16_t                        radiotap_vht_details;
        uint16_t                        queues;
        uint16_t                        offchannel_tx_hw_queue;
        uint16_t                        uapsd_max_sp_len;
        uint16_t                        uapsd_queues;
        uint16_t                        max_rx_aggregation_subframes;
        uint16_t                        max_tx_aggregation_subframes;
        uint16_t                        max_tx_fragments;
        uint16_t                        max_listen_interval;
        uint32_t                        extra_beacon_tailroom;
        netdev_features_t               netdev_features;
        unsigned long                   flags[BITS_TO_LONGS(NUM_IEEE80211_HW_FLAGS)];
        struct ieee80211_conf           conf;

#if 0   /* leave here for documentation purposes.  This does NOT work. */
        /* Must stay last. */
        uint8_t                         priv[0] __aligned(CACHE_LINE_SIZE);
#else
        void                            *priv;
#endif
};

enum ieee802111_key_flag {
        IEEE80211_KEY_FLAG_GENERATE_IV          = BIT(0),
        IEEE80211_KEY_FLAG_GENERATE_MMIC        = BIT(1),
        IEEE80211_KEY_FLAG_PAIRWISE             = BIT(2),
        IEEE80211_KEY_FLAG_PUT_IV_SPACE         = BIT(3),
        IEEE80211_KEY_FLAG_PUT_MIC_SPACE        = BIT(4),
        IEEE80211_KEY_FLAG_SW_MGMT_TX           = BIT(5),
        IEEE80211_KEY_FLAG_GENERATE_IV_MGMT     = BIT(6),
        IEEE80211_KEY_FLAG_GENERATE_MMIE        = BIT(7),
        IEEE80211_KEY_FLAG_RESERVE_TAILROOM     = BIT(8),
        IEEE80211_KEY_FLAG_SPP_AMSDU            = BIT(9),
};

#define IEEE80211_KEY_FLAG_BITS                                         \
        "\20\1GENERATE_IV\2GENERATE_MMIC\3PAIRWISE\4PUT_IV_SPACE"       \
        "\5PUT_MIC_SPACE\6SW_MGMT_TX\7GENERATE_IV_MGMT\10GENERATE_MMIE" \
        "\11RESERVE_TAILROOM\12SPP_AMSDU"

struct ieee80211_key_conf {
#if defined(__FreeBSD__)
        const struct ieee80211_key      *_k;            /* backpointer to net80211 */
#endif
        atomic64_t                      tx_pn;
        uint32_t                        cipher;
        uint8_t                         icv_len;        /* __unused nowadays? */
        uint8_t                         iv_len;
        uint8_t                         hw_key_idx;     /* Set by drv. */
        uint8_t                         keyidx;
        uint16_t                        flags;
        int8_t                          link_id;        /* signed! */
        uint8_t                         keylen;
        uint8_t                         key[0];         /* Must stay last! */
};

struct ieee80211_key_seq {
        /* TODO FIXME */
        union {
                struct {
                        uint8_t         seq[IEEE80211_MAX_PN_LEN];
                        uint8_t         seq_len;
                } hw;
                struct {
                        uint8_t         pn[IEEE80211_CCMP_PN_LEN];
                } ccmp;
                struct {
                        uint8_t         pn[IEEE80211_GCMP_PN_LEN];
                } gcmp;
                struct {
                        uint8_t         pn[IEEE80211_CMAC_PN_LEN];
                } aes_cmac;
                struct {
                        uint8_t         pn[IEEE80211_GMAC_PN_LEN];
                } aes_gmac;
                struct {
                        uint32_t        iv32;
                        uint16_t        iv16;
                } tkip;
        };
};


enum ieee80211_rx_status_flags {
        RX_FLAG_ALLOW_SAME_PN           = BIT(0),
        RX_FLAG_AMPDU_DETAILS           = BIT(1),
        RX_FLAG_AMPDU_EOF_BIT           = BIT(2),
        RX_FLAG_AMPDU_EOF_BIT_KNOWN     = BIT(3),
        RX_FLAG_DECRYPTED               = BIT(4),
        RX_FLAG_DUP_VALIDATED           = BIT(5),
        RX_FLAG_FAILED_FCS_CRC          = BIT(6),
        RX_FLAG_ICV_STRIPPED            = BIT(7),
        RX_FLAG_MACTIME                 = BIT(8) | BIT(9),
        RX_FLAG_MACTIME_PLCP_START      = 1 << 8,
        RX_FLAG_MACTIME_START           = 2 << 8,
        RX_FLAG_MACTIME_END             = 3 << 8,
        RX_FLAG_MIC_STRIPPED            = BIT(10),
        RX_FLAG_MMIC_ERROR              = BIT(11),
        RX_FLAG_MMIC_STRIPPED           = BIT(12),
        RX_FLAG_NO_PSDU                 = BIT(13),
        RX_FLAG_PN_VALIDATED            = BIT(14),
        RX_FLAG_RADIOTAP_HE             = BIT(15),
        RX_FLAG_RADIOTAP_HE_MU          = BIT(16),
        RX_FLAG_RADIOTAP_LSIG           = BIT(17),
        RX_FLAG_RADIOTAP_VENDOR_DATA    = BIT(18),
        RX_FLAG_NO_SIGNAL_VAL           = BIT(19),
        RX_FLAG_IV_STRIPPED             = BIT(20),
        RX_FLAG_AMPDU_IS_LAST           = BIT(21),
        RX_FLAG_AMPDU_LAST_KNOWN        = BIT(22),
        RX_FLAG_AMSDU_MORE              = BIT(23),
                                /*      = BIT(24), */
        RX_FLAG_ONLY_MONITOR            = BIT(25),
        RX_FLAG_SKIP_MONITOR            = BIT(26),
        RX_FLAG_8023                    = BIT(27),
        RX_FLAG_RADIOTAP_TLV_AT_END     = BIT(28),
                                /*      = BIT(29), */
        RX_FLAG_MACTIME_IS_RTAP_TS64    = BIT(30),
        RX_FLAG_FAILED_PLCP_CRC         = BIT(31),
};

#define IEEE80211_RX_STATUS_FLAGS_BITS                                  \
        "\20\1ALLOW_SAME_PN\2AMPDU_DETAILS\3AMPDU_EOF_BIT\4AMPDU_EOF_BIT_KNOWN" \
        "\5DECRYPTED\6DUP_VALIDATED\7FAILED_FCS_CRC\10ICV_STRIPPED" \
        "\11MACTIME_PLCP_START\12MACTIME_START\13MIC_STRIPPED" \
        "\14MMIC_ERROR\15MMIC_STRIPPED\16NO_PSDU\17PN_VALIDATED" \
        "\20RADIOTAP_HE\21RADIOTAP_HE_MU\22RADIOTAP_LSIG\23RADIOTAP_VENDOR_DATA" \
        "\24NO_SIGNAL_VAL\25IV_STRIPPED\26AMPDU_IS_LAST\27AMPDU_LAST_KNOWN" \
        "\30AMSDU_MORE\31MACTIME_END\32ONLY_MONITOR\33SKIP_MONITOR" \
        "\348023\35RADIOTAP_TLV_AT_END\36MACTIME\37MACTIME_IS_RTAP_TS64" \
        "\40FAILED_PLCP_CRC"

enum mac80211_rx_encoding {
        RX_ENC_LEGACY           = 0,
        RX_ENC_HT,
        RX_ENC_VHT,
        RX_ENC_HE,
        RX_ENC_EHT,
};

struct ieee80211_rx_status {
        /* TODO FIXME, this is too large. Over-reduce types to u8 where possible. */
        union {
                uint64_t                        boottime_ns;
                int64_t                         ack_tx_hwtstamp;
        };
        uint64_t                        mactime;
        uint32_t                        device_timestamp;
        enum ieee80211_rx_status_flags  flag;
        uint16_t                        freq;
        uint8_t                         encoding:3, bw:4;       /* enum mac80211_rx_encoding, rate_info_bw */   /* See mt76.h */
        uint8_t                         ampdu_reference;
        uint8_t                         band;
        uint8_t                         chains;
        int8_t                          chain_signal[IEEE80211_MAX_CHAINS];
        int8_t                          signal;
        uint8_t                         enc_flags;
        union {
                struct {
                        uint8_t         he_ru:3;        /* nl80211::enum nl80211_he_ru_alloc */
                        uint8_t         he_gi:2;        /* nl80211::enum nl80211_he_gi */
                        uint8_t         he_dcm:1;
                };
                struct {
                        uint8_t         ru:4;           /* nl80211::enum nl80211_eht_ru_alloc */
                        uint8_t         gi:2;           /* nl80211::enum nl80211_eht_gi */
                } eht;
        };
        bool                            link_valid;
        uint8_t                         link_id;        /* very incosistent sizes? */
        uint8_t                         zero_length_psdu_type;
        uint8_t                         nss;
        uint8_t                         rate_idx;
};

struct ieee80211_tx_status {
        struct ieee80211_sta            *sta;
        struct ieee80211_tx_info        *info;
        int64_t                         ack_hwtstamp;

        u8                              n_rates;
        struct ieee80211_rate_status    *rates;

        struct sk_buff                  *skb;
        struct list_head                *free_list;
};

struct ieee80211_scan_ies {
        /* TODO FIXME */
        int             common_ie_len;
        int             len[NUM_NL80211_BANDS];
        uint8_t         *common_ies;
        uint8_t         *ies[NUM_NL80211_BANDS];
};

struct ieee80211_scan_request {
        struct ieee80211_scan_ies       ies;
        struct cfg80211_scan_request    req;
};

struct ieee80211_txq {
        struct ieee80211_sta            *sta;
        struct ieee80211_vif            *vif;
        int                             ac;
        uint8_t                         tid;

        /* Must stay last. */
        uint8_t                         drv_priv[0] __aligned(CACHE_LINE_SIZE);
};

struct ieee80211_sta_rates {
        /* XXX TODO */
        /* XXX some _rcu thing */
        struct {
                uint8_t                 idx;
                uint8_t                 count;
                uint16_t                flags;
        } rate[4];              /* XXX what is the real number? */
};

struct ieee80211_sta_txpwr {
        /* XXX TODO */
        enum nl80211_tx_power_setting   type;
        short                           power;
};

#define IEEE80211_NUM_TIDS                      16      /* net80211::WME_NUM_TID */
struct ieee80211_sta_agg {
        uint16_t                                max_amsdu_len;
        uint16_t                                max_rc_amsdu_len;
        uint16_t                                max_tid_amsdu_len[IEEE80211_NUM_TIDS];
};

struct ieee80211_link_sta {
        struct ieee80211_sta                    *sta;
        uint8_t                                 addr[ETH_ALEN];
        uint8_t                                 link_id;
        uint32_t                                supp_rates[NUM_NL80211_BANDS];
        struct ieee80211_sta_ht_cap             ht_cap;
        struct ieee80211_sta_vht_cap            vht_cap;
        struct ieee80211_sta_he_cap             he_cap;
        struct ieee80211_he_6ghz_capa           he_6ghz_capa;
        struct ieee80211_sta_eht_cap            eht_cap;
        uint8_t                                 rx_nss;
        enum ieee80211_sta_rx_bandwidth         bandwidth;
        enum ieee80211_smps_mode                smps_mode;
        struct ieee80211_sta_agg                agg;
        struct ieee80211_sta_txpwr              txpwr;
};

struct ieee80211_sta {
        /* TODO FIXME */
        int             max_amsdu_subframes;
        int             mfp, smps_mode, tdls, tdls_initiator;
        struct ieee80211_txq                    *txq[IEEE80211_NUM_TIDS + 1];   /* iwlwifi: 8 and adds +1 to tid_data, net80211::IEEE80211_TID_SIZE */
        struct ieee80211_sta_rates              *rates; /* some rcu thing? */
        uint8_t                                 addr[ETH_ALEN];
        uint16_t                                aid;
        bool                                    wme;
        bool                                    mlo;
        uint8_t                                 max_sp;
        uint8_t                                 uapsd_queues;
        uint16_t                                valid_links;

        struct ieee80211_link_sta               deflink;
        struct ieee80211_link_sta               *link[IEEE80211_MLD_MAX_NUM_LINKS];     /* rcu? */

        /* Must stay last. */
        uint8_t                                 drv_priv[0] __aligned(CACHE_LINE_SIZE);
};

struct ieee80211_tdls_ch_sw_params {
        /* TODO FIXME */
        int             action_code, ch_sw_tm_ie, status, switch_time, switch_timeout, timestamp;
        struct ieee80211_sta                    *sta;
        struct cfg80211_chan_def                *chandef;
        struct sk_buff                          *tmpl_skb;
};

struct ieee80211_tx_control {
        /* TODO FIXME */
        struct ieee80211_sta                    *sta;
};

struct ieee80211_tx_queue_params {
        /* These types are based on iwlwifi FW structs. */
        uint16_t        cw_min;
        uint16_t        cw_max;
        uint16_t        txop;
        uint8_t         aifs;

        /* TODO FIXME */
        int             acm, mu_edca, uapsd;
        struct ieee80211_he_mu_edca_param_ac_rec        mu_edca_param_rec;
};

enum mac80211_rate_control_flags {
        IEEE80211_TX_RC_40_MHZ_WIDTH            = BIT(0),
        IEEE80211_TX_RC_80_MHZ_WIDTH            = BIT(1),
        IEEE80211_TX_RC_160_MHZ_WIDTH           = BIT(2),
        IEEE80211_TX_RC_GREEN_FIELD             = BIT(3),
        IEEE80211_TX_RC_MCS                     = BIT(4),
        IEEE80211_TX_RC_SHORT_GI                = BIT(5),
        IEEE80211_TX_RC_VHT_MCS                 = BIT(6),
        IEEE80211_TX_RC_USE_SHORT_PREAMBLE      = BIT(7),
};

struct ieee80211_tx_rate {
        uint8_t         idx;
        uint16_t        count:5,
                        flags:11;       /* enum mac80211_rate_control_flags */
};

enum ieee80211_vif_driver_flags {
        IEEE80211_VIF_BEACON_FILTER             = BIT(0),
        IEEE80211_VIF_SUPPORTS_CQM_RSSI         = BIT(1),
        IEEE80211_VIF_SUPPORTS_UAPSD            = BIT(2),
#if defined(LINUXKPI_VERSION) && (LINUXKPI_VERSION < 60600)     /* v6.6 */
        IEEE80211_VIF_DISABLE_SMPS_OVERRIDE     = BIT(3),       /* Renamed to IEEE80211_VIF_EML_ACTIVE. */
#endif
        IEEE80211_VIF_EML_ACTIVE                = BIT(4),
        IEEE80211_VIF_IGNORE_OFDMA_WIDER_BW     = BIT(5),
        IEEE80211_VIF_REMOVE_AP_AFTER_DISASSOC  = BIT(6),
};

#define IEEE80211_BSS_ARP_ADDR_LIST_LEN         4

struct ieee80211_vif_cfg {
        uint16_t                                aid;
        uint16_t                                eml_cap;
        uint16_t                                eml_med_sync_delay;
        bool                                    assoc;
        bool                                    ps;
        bool                                    idle;
        bool                                    ibss_joined;
        int                                     arp_addr_cnt;
        size_t                                  ssid_len;
        uint32_t                                arp_addr_list[IEEE80211_BSS_ARP_ADDR_LIST_LEN];         /* big endian */
        uint8_t                                 ssid[IEEE80211_NWID_LEN];
        uint8_t                                 ap_addr[ETH_ALEN];
};

enum ieee80211_offload_flags {
        IEEE80211_OFFLOAD_ENCAP_4ADDR,
        IEEE80211_OFFLOAD_ENCAP_ENABLED,
        IEEE80211_OFFLOAD_DECAP_ENABLED,
};

struct ieee80211_vif {
        /* TODO FIXME */
        enum nl80211_iftype             type;
        int             cab_queue;
        int                             offload_flags;  /* enum ieee80211_offload_flags */
        enum ieee80211_vif_driver_flags driver_flags;
        bool                            p2p;
        bool                            probe_req_reg;
        uint8_t                         addr[ETH_ALEN];
        struct ieee80211_vif_cfg        cfg;
        struct ieee80211_txq            *txq;
        struct ieee80211_bss_conf       bss_conf;
        struct ieee80211_bss_conf       *link_conf[IEEE80211_MLD_MAX_NUM_LINKS];        /* rcu? */
        uint8_t                         hw_queue[IEEE80211_NUM_ACS];
        uint16_t                        active_links;
        uint16_t                        valid_links;
        struct ieee80211_vif            *mbssid_tx_vif;

/* #ifdef CONFIG_MAC80211_DEBUGFS */    /* Do not change structure depending on compile-time option. */
        struct dentry                   *debugfs_dir;
/* #endif */

        /* Must stay last. */
        uint8_t                         drv_priv[0] __aligned(CACHE_LINE_SIZE);
};

struct ieee80211_vif_chanctx_switch {
        struct ieee80211_chanctx_conf   *old_ctx, *new_ctx;
        struct ieee80211_vif            *vif;
        struct ieee80211_bss_conf       *link_conf;
};

struct ieee80211_prep_tx_info {
        uint16_t                        duration;
        uint16_t                        subtype;
        bool                            success;
        bool                            was_assoc;
        int                             link_id;
};

/* XXX-BZ too big, over-reduce size to u8, and array sizes to minuimum to fit in skb->cb. */
/* Also warning: some sizes change by pointer size!  This is 64bit only. */
struct ieee80211_tx_info {
        enum ieee80211_tx_info_flags            flags;          /* 32 bits */
        /* TODO FIXME */
        enum nl80211_band                       band;           /* 3 bits */
        uint16_t        hw_queue:4,                             /* 4 bits */
                        tx_time_est:10;                         /* 10 bits */
        union {
                struct {
                        struct ieee80211_tx_rate        rates[4];
                        bool                            use_rts;
                        uint8_t                         antennas:2;
                        struct ieee80211_vif            *vif;
                        struct ieee80211_key_conf       *hw_key;
                        enum ieee80211_tx_control_flags flags;
                } control;
                struct {
                        struct ieee80211_tx_rate        rates[4];
                        uint32_t                        ack_signal;
                        uint8_t                         ampdu_ack_len;
                        uint8_t                         ampdu_len;
                        uint8_t                         antenna;
                        uint16_t                        tx_time;
                        uint8_t                         flags;
                        void                            *status_driver_data[16 / sizeof(void *)];               /* XXX TODO */
                } status;
#define IEEE80211_TX_INFO_DRIVER_DATA_SIZE      40
                void                                    *driver_data[IEEE80211_TX_INFO_DRIVER_DATA_SIZE / sizeof(void *)];
        };
};

/* net80211 conflict */
struct linuxkpi_ieee80211_tim_ie {
        uint8_t                         dtim_count;
        uint8_t                         dtim_period;
        uint8_t                         bitmap_ctrl;
        uint8_t                         *virtual_map;
};
#define ieee80211_tim_ie        linuxkpi_ieee80211_tim_ie

enum ieee80211_iface_iter {
        IEEE80211_IFACE_ITER_NORMAL     = BIT(0),
        IEEE80211_IFACE_ITER_RESUME_ALL = BIT(1),
        IEEE80211_IFACE_SKIP_SDATA_NOT_IN_DRIVER = BIT(2),      /* seems to be an iter flag */
        IEEE80211_IFACE_ITER_ACTIVE     = BIT(3),

        /* Internal flags only. */
        IEEE80211_IFACE_ITER__ATOMIC    = BIT(6),
        IEEE80211_IFACE_ITER__MTX       = BIT(8),
};

enum set_key_cmd {
        SET_KEY,
        DISABLE_KEY,
};

/* 802.11-2020, 9.4.2.55.2 HT Capability Information field. */
enum rx_enc_flags {
        RX_ENC_FLAG_SHORTPRE    =       BIT(0),
        RX_ENC_FLAG_SHORT_GI    =       BIT(2),
        RX_ENC_FLAG_HT_GF       =       BIT(3),
        RX_ENC_FLAG_STBC_MASK   =       BIT(4) | BIT(5),
#define RX_ENC_FLAG_STBC_SHIFT          4
        RX_ENC_FLAG_LDPC        =       BIT(6),
        RX_ENC_FLAG_BF          =       BIT(7),
};

enum sta_notify_cmd {
        STA_NOTIFY_AWAKE,
        STA_NOTIFY_SLEEP,
};

struct ieee80211_low_level_stats {
        /* Can we make them uint64_t? */
        uint32_t dot11ACKFailureCount;
        uint32_t dot11FCSErrorCount;
        uint32_t dot11RTSFailureCount;
        uint32_t dot11RTSSuccessCount;
};

struct ieee80211_ops {
        /* TODO FIXME */
        int  (*start)(struct ieee80211_hw *);
        void (*stop)(struct ieee80211_hw *, bool);

        int  (*config)(struct ieee80211_hw *, int, u32);
        void (*reconfig_complete)(struct ieee80211_hw *, enum ieee80211_reconfig_type);

        void (*prep_add_interface)(struct ieee80211_hw *, enum nl80211_iftype);
        int  (*add_interface)(struct ieee80211_hw *, struct ieee80211_vif *);
        void (*remove_interface)(struct ieee80211_hw *, struct ieee80211_vif *);
        int  (*change_interface)(struct ieee80211_hw *, struct ieee80211_vif *, enum nl80211_iftype, bool);

        void (*sw_scan_start)(struct ieee80211_hw *, struct ieee80211_vif *, const u8 *);
        void (*sw_scan_complete)(struct ieee80211_hw *, struct ieee80211_vif *);
        int  (*sched_scan_start)(struct ieee80211_hw *, struct ieee80211_vif *, struct cfg80211_sched_scan_request *, struct ieee80211_scan_ies *);
        int  (*sched_scan_stop)(struct ieee80211_hw *, struct ieee80211_vif *);
        int  (*hw_scan)(struct ieee80211_hw *, struct ieee80211_vif *, struct ieee80211_scan_request *);
        void (*cancel_hw_scan)(struct ieee80211_hw *, struct ieee80211_vif *);

        int  (*conf_tx)(struct ieee80211_hw *, struct ieee80211_vif *, u32, u16, const struct ieee80211_tx_queue_params *);
        void (*tx)(struct ieee80211_hw *, struct ieee80211_tx_control *, struct sk_buff *);
        int  (*tx_last_beacon)(struct ieee80211_hw *);
        void (*wake_tx_queue)(struct ieee80211_hw *, struct ieee80211_txq *);

        void (*mgd_prepare_tx)(struct ieee80211_hw *, struct ieee80211_vif *, struct ieee80211_prep_tx_info *);
        void (*mgd_complete_tx)(struct ieee80211_hw *, struct ieee80211_vif *, struct ieee80211_prep_tx_info *);
        void (*mgd_protect_tdls_discover)(struct ieee80211_hw *, struct ieee80211_vif *, unsigned int);

        void (*flush)(struct ieee80211_hw *, struct ieee80211_vif *, u32, bool);
        void (*flush_sta)(struct ieee80211_hw *, struct ieee80211_vif *, struct ieee80211_sta *);

        int  (*set_frag_threshold)(struct ieee80211_hw *, int, u32);

        void (*sync_rx_queues)(struct ieee80211_hw *);

        void (*allow_buffered_frames)(struct ieee80211_hw *, struct ieee80211_sta *, u16, int, enum ieee80211_frame_release_type, bool);
        void (*release_buffered_frames)(struct ieee80211_hw *, struct ieee80211_sta *, u16, int, enum ieee80211_frame_release_type, bool);

        int  (*sta_add)(struct ieee80211_hw *, struct ieee80211_vif *, struct ieee80211_sta *);
        int  (*sta_remove)(struct ieee80211_hw *, struct ieee80211_vif *, struct ieee80211_sta *);
        int  (*sta_set_txpwr)(struct ieee80211_hw *, struct ieee80211_vif *, struct ieee80211_sta *);
        void (*sta_statistics)(struct ieee80211_hw *, struct ieee80211_vif *, struct ieee80211_sta *, struct station_info *);
        void (*sta_pre_rcu_remove)(struct ieee80211_hw *, struct ieee80211_vif *, struct ieee80211_sta *);
        int  (*sta_state)(struct ieee80211_hw *, struct ieee80211_vif *, struct ieee80211_sta *, enum ieee80211_sta_state, enum ieee80211_sta_state);
        void (*sta_notify)(struct ieee80211_hw *, struct ieee80211_vif *, enum sta_notify_cmd, struct ieee80211_sta *);
        void (*sta_rc_update)(struct ieee80211_hw *, struct ieee80211_vif *, struct ieee80211_sta *, u32);
        void (*link_sta_rc_update)(struct ieee80211_hw *, struct ieee80211_vif *, struct ieee80211_link_sta *, u32);
        void (*sta_rate_tbl_update)(struct ieee80211_hw *, struct ieee80211_vif *, struct ieee80211_sta *);
        void (*sta_set_4addr)(struct ieee80211_hw *, struct ieee80211_vif *, struct ieee80211_sta *, bool);
        void (*sta_set_decap_offload)(struct ieee80211_hw *, struct ieee80211_vif *, struct ieee80211_sta *, bool);

        u64  (*prepare_multicast)(struct ieee80211_hw *, struct netdev_hw_addr_list *);

        int  (*ampdu_action)(struct ieee80211_hw *, struct ieee80211_vif *, struct ieee80211_ampdu_params *);

        bool (*can_aggregate_in_amsdu)(struct ieee80211_hw *, struct sk_buff *, struct sk_buff *);

        int  (*pre_channel_switch)(struct ieee80211_hw *, struct ieee80211_vif *, struct ieee80211_channel_switch *);
        int  (*post_channel_switch)(struct ieee80211_hw *, struct ieee80211_vif *, struct ieee80211_bss_conf *);
        void (*channel_switch)(struct ieee80211_hw *, struct ieee80211_vif *, struct ieee80211_channel_switch *);
        void (*channel_switch_beacon)(struct ieee80211_hw *, struct ieee80211_vif *, struct cfg80211_chan_def *);
        void (*abort_channel_switch)(struct ieee80211_hw *, struct ieee80211_vif *, struct ieee80211_bss_conf *);
        void (*channel_switch_rx_beacon)(struct ieee80211_hw *, struct ieee80211_vif *, struct ieee80211_channel_switch *);
        int  (*tdls_channel_switch)(struct ieee80211_hw *, struct ieee80211_vif *, struct ieee80211_sta *, u8, struct cfg80211_chan_def *, struct sk_buff *, u32);
        void (*tdls_cancel_channel_switch)(struct ieee80211_hw *, struct ieee80211_vif *, struct ieee80211_sta *);
        void (*tdls_recv_channel_switch)(struct ieee80211_hw *, struct ieee80211_vif *, struct ieee80211_tdls_ch_sw_params *);

        int  (*add_chanctx)(struct ieee80211_hw *, struct ieee80211_chanctx_conf *);
        void (*remove_chanctx)(struct ieee80211_hw *, struct ieee80211_chanctx_conf *);
        void (*change_chanctx)(struct ieee80211_hw *, struct ieee80211_chanctx_conf *, u32);
        int  (*assign_vif_chanctx)(struct ieee80211_hw *, struct ieee80211_vif *, struct ieee80211_bss_conf *, struct ieee80211_chanctx_conf *);
        void (*unassign_vif_chanctx)(struct ieee80211_hw *, struct ieee80211_vif *, struct ieee80211_bss_conf *, struct ieee80211_chanctx_conf *);
        int  (*switch_vif_chanctx)(struct ieee80211_hw *, struct ieee80211_vif_chanctx_switch *, int, enum ieee80211_chanctx_switch_mode);

        int  (*get_antenna)(struct ieee80211_hw *, int, u32 *, u32 *);
        int  (*set_antenna)(struct ieee80211_hw *, int, u32, u32);

        int  (*remain_on_channel)(struct ieee80211_hw *, struct ieee80211_vif *, struct ieee80211_channel *, int, enum ieee80211_roc_type);
        int  (*cancel_remain_on_channel)(struct ieee80211_hw *, struct ieee80211_vif *);

        void (*configure_filter)(struct ieee80211_hw *, unsigned int, unsigned int *, u64);
        void (*config_iface_filter)(struct ieee80211_hw *, struct ieee80211_vif *, unsigned int, unsigned int);

        void (*bss_info_changed)(struct ieee80211_hw *, struct ieee80211_vif *, struct ieee80211_bss_conf *, u64);
        void (*link_info_changed)(struct ieee80211_hw *, struct ieee80211_vif *, struct ieee80211_bss_conf *, u64);

        int  (*set_rts_threshold)(struct ieee80211_hw *, int, u32);
        void (*event_callback)(struct ieee80211_hw *, struct ieee80211_vif *, const struct ieee80211_event *);
        int  (*get_survey)(struct ieee80211_hw *, int, struct survey_info *);
        int  (*get_ftm_responder_stats)(struct ieee80211_hw *, struct ieee80211_vif *, struct cfg80211_ftm_responder_stats *);

        uint64_t (*get_tsf)(struct ieee80211_hw *, struct ieee80211_vif *);
        void (*set_tsf)(struct ieee80211_hw *, struct ieee80211_vif *, uint64_t);
        void (*offset_tsf)(struct ieee80211_hw *, struct ieee80211_vif *, s64);

        int  (*set_bitrate_mask)(struct ieee80211_hw *, struct ieee80211_vif *, const struct cfg80211_bitrate_mask *);
        void (*set_coverage_class)(struct ieee80211_hw *, int, s16);
        int  (*set_tim)(struct ieee80211_hw *, struct ieee80211_sta *, bool);

        int  (*set_key)(struct ieee80211_hw *, enum set_key_cmd, struct ieee80211_vif *, struct ieee80211_sta *, struct ieee80211_key_conf *);
        void (*update_tkip_key)(struct ieee80211_hw *, struct ieee80211_vif *, struct ieee80211_key_conf *, struct ieee80211_sta *, u32, u16 *);

        int  (*start_pmsr)(struct ieee80211_hw *, struct ieee80211_vif *, struct cfg80211_pmsr_request *);
        void (*abort_pmsr)(struct ieee80211_hw *, struct ieee80211_vif *, struct cfg80211_pmsr_request *);

        int  (*start_ap)(struct ieee80211_hw *, struct ieee80211_vif *, struct ieee80211_bss_conf *link_conf);
        void (*stop_ap)(struct ieee80211_hw *, struct ieee80211_vif *, struct ieee80211_bss_conf *link_conf);
        int  (*join_ibss)(struct ieee80211_hw *, struct ieee80211_vif *);
        void (*leave_ibss)(struct ieee80211_hw *, struct ieee80211_vif *);

        int  (*set_sar_specs)(struct ieee80211_hw *, const struct cfg80211_sar_specs *);

        int  (*set_tid_config)(struct ieee80211_hw *, struct ieee80211_vif *, struct ieee80211_sta *, struct cfg80211_tid_config *);
        int  (*reset_tid_config)(struct ieee80211_hw *, struct ieee80211_vif *, struct ieee80211_sta *, u8);

        int  (*get_et_sset_count)(struct ieee80211_hw *, struct ieee80211_vif *, int);
        void (*get_et_stats)(struct ieee80211_hw *, struct ieee80211_vif *, struct ethtool_stats *, u64 *);
        void (*get_et_strings)(struct ieee80211_hw *, struct ieee80211_vif *, u32, u8 *);

        void (*update_vif_offload)(struct ieee80211_hw *, struct ieee80211_vif *);

        int  (*get_txpower)(struct ieee80211_hw *, struct ieee80211_vif *, unsigned int, int *);
        int  (*get_stats)(struct ieee80211_hw *, struct ieee80211_low_level_stats *);

        int  (*set_radar_background)(struct ieee80211_hw *, struct cfg80211_chan_def *);

        void (*add_twt_setup)(struct ieee80211_hw *, struct ieee80211_sta *, struct ieee80211_twt_setup *);
        void (*twt_teardown_request)(struct ieee80211_hw *, struct ieee80211_sta *, u8);

        int (*set_hw_timestamp)(struct ieee80211_hw *, struct ieee80211_vif *, struct cfg80211_set_hw_timestamp *);

        void (*vif_cfg_changed)(struct ieee80211_hw *, struct ieee80211_vif *, u64);

        int (*change_vif_links)(struct ieee80211_hw *, struct ieee80211_vif *, u16, u16, struct ieee80211_bss_conf *[IEEE80211_MLD_MAX_NUM_LINKS]);
        int (*change_sta_links)(struct ieee80211_hw *, struct ieee80211_vif *, struct ieee80211_sta *, u16, u16);
        bool (*can_activate_links)(struct ieee80211_hw *, struct ieee80211_vif *, u16);
        enum ieee80211_neg_ttlm_res (*can_neg_ttlm)(struct ieee80211_hw *, struct ieee80211_vif *, struct ieee80211_neg_ttlm *);

        void (*rfkill_poll)(struct ieee80211_hw *);

        int (*net_fill_forward_path)(struct ieee80211_hw *, struct ieee80211_vif *, struct ieee80211_sta *, struct net_device_path_ctx *, struct net_device_path *);

/* #ifdef CONFIG_MAC80211_DEBUGFS */    /* Do not change depending on compile-time option. */
        void (*sta_add_debugfs)(struct ieee80211_hw *, struct ieee80211_vif *, struct ieee80211_sta *, struct dentry *);
        void (*vif_add_debugfs)(struct ieee80211_hw *, struct ieee80211_vif *);
        void (*link_sta_add_debugfs)(struct ieee80211_hw *, struct ieee80211_vif *, struct ieee80211_link_sta *, struct dentry *);
        void (*link_add_debugfs)(struct ieee80211_hw *, struct ieee80211_vif *, struct ieee80211_bss_conf *, struct dentry *);
/* #endif */
/* #ifdef CONFIG_PM_SLEEP */            /* Do not change depending on compile-time option. */
        int (*suspend)(struct ieee80211_hw *, struct cfg80211_wowlan *);
        int (*resume)(struct ieee80211_hw *);
        void (*set_wakeup)(struct ieee80211_hw *, bool);
        void (*set_rekey_data)(struct ieee80211_hw *, struct ieee80211_vif *, struct cfg80211_gtk_rekey_data *);
        void (*set_default_unicast_key)(struct ieee80211_hw *, struct ieee80211_vif *, int);
/* #if IS_ENABLED(CONFIG_IPV6) */
        void (*ipv6_addr_change)(struct ieee80211_hw *, struct ieee80211_vif *, struct inet6_dev *);
/* #endif */
/* #endif CONFIG_PM_SLEEP */
};

/* -------------------------------------------------------------------------- */

/* linux_80211.c */
extern const struct cfg80211_ops linuxkpi_mac80211cfgops;

struct ieee80211_hw *linuxkpi_ieee80211_alloc_hw(size_t,
    const struct ieee80211_ops *);
void linuxkpi_ieee80211_iffree(struct ieee80211_hw *);
void linuxkpi_set_ieee80211_dev(struct ieee80211_hw *);
int linuxkpi_ieee80211_ifattach(struct ieee80211_hw *);
void linuxkpi_ieee80211_ifdetach(struct ieee80211_hw *);
void linuxkpi_ieee80211_unregister_hw(struct ieee80211_hw *);
struct ieee80211_hw * linuxkpi_wiphy_to_ieee80211_hw(struct wiphy *);
void linuxkpi_ieee80211_restart_hw(struct ieee80211_hw *);
void linuxkpi_ieee80211_iterate_interfaces(
    struct ieee80211_hw *hw, enum ieee80211_iface_iter flags,
    void(*iterfunc)(void *, uint8_t *, struct ieee80211_vif *),
    void *);
void linuxkpi_ieee80211_iterate_keys(struct ieee80211_hw *,
    struct ieee80211_vif *,
    void(*iterfunc)(struct ieee80211_hw *, struct ieee80211_vif *,
        struct ieee80211_sta *, struct ieee80211_key_conf *, void *),
    void *, bool);
void linuxkpi_ieee80211_iterate_chan_contexts(struct ieee80211_hw *,
    void(*iterfunc)(struct ieee80211_hw *,
        struct ieee80211_chanctx_conf *, void *),
    void *);
void linuxkpi_ieee80211_iterate_stations_atomic(struct ieee80211_hw *,
   void (*iterfunc)(void *, struct ieee80211_sta *), void *);
void linuxkpi_ieee80211_scan_completed(struct ieee80211_hw *,
    struct cfg80211_scan_info *);
void linuxkpi_ieee80211_rx(struct ieee80211_hw *, struct sk_buff *,
    struct ieee80211_sta *, struct napi_struct *, struct list_head *);
uint8_t linuxkpi_ieee80211_get_tid(struct ieee80211_hdr *, bool);
struct ieee80211_sta *linuxkpi_ieee80211_find_sta(struct ieee80211_vif *,
    const u8 *);
struct ieee80211_sta *linuxkpi_ieee80211_find_sta_by_ifaddr(
    struct ieee80211_hw *, const uint8_t *, const uint8_t *);
struct sk_buff *linuxkpi_ieee80211_tx_dequeue(struct ieee80211_hw *,
    struct ieee80211_txq *);
bool linuxkpi_ieee80211_is_ie_id_in_ie_buf(const u8, const u8 *, size_t);
bool linuxkpi_ieee80211_ie_advance(size_t *, const u8 *, size_t);
void linuxkpi_ieee80211_free_txskb(struct ieee80211_hw *, struct sk_buff *,
    int);
void linuxkpi_ieee80211_queue_delayed_work(struct ieee80211_hw *,
    struct delayed_work *, int);
void linuxkpi_ieee80211_queue_work(struct ieee80211_hw *, struct work_struct *);
struct sk_buff *linuxkpi_ieee80211_pspoll_get(struct ieee80211_hw *,
    struct ieee80211_vif *);
struct sk_buff *linuxkpi_ieee80211_nullfunc_get(struct ieee80211_hw *,
    struct ieee80211_vif *, int, bool);
void linuxkpi_ieee80211_txq_get_depth(struct ieee80211_txq *, unsigned long *,
    unsigned long *);
struct wireless_dev *linuxkpi_ieee80211_vif_to_wdev(struct ieee80211_vif *);
void linuxkpi_ieee80211_connection_loss(struct ieee80211_vif *);
void linuxkpi_ieee80211_beacon_loss(struct ieee80211_vif *);
struct sk_buff *linuxkpi_ieee80211_probereq_get(struct ieee80211_hw *,
    const uint8_t *, const uint8_t *, size_t, size_t);
void linuxkpi_ieee80211_tx_status(struct ieee80211_hw *, struct sk_buff *);
void linuxkpi_ieee80211_tx_status_ext(struct ieee80211_hw *,
    struct ieee80211_tx_status *);
void linuxkpi_ieee80211_stop_queues(struct ieee80211_hw *);
void linuxkpi_ieee80211_wake_queues(struct ieee80211_hw *);
void linuxkpi_ieee80211_stop_queue(struct ieee80211_hw *, int);
void linuxkpi_ieee80211_wake_queue(struct ieee80211_hw *, int);
void linuxkpi_ieee80211_txq_schedule_start(struct ieee80211_hw *, uint8_t);
struct ieee80211_txq *linuxkpi_ieee80211_next_txq(struct ieee80211_hw *, uint8_t);
void linuxkpi_ieee80211_schedule_txq(struct ieee80211_hw *,
    struct ieee80211_txq *, bool);
void linuxkpi_ieee80211_handle_wake_tx_queue(struct ieee80211_hw *,
        struct ieee80211_txq *);

/* -------------------------------------------------------------------------- */

static __inline void
_ieee80211_hw_set(struct ieee80211_hw *hw, enum ieee80211_hw_flags flag)
{

        set_bit(flag, hw->flags);
}

static __inline bool
__ieee80211_hw_check(struct ieee80211_hw *hw, enum ieee80211_hw_flags flag)
{

        return (test_bit(flag, hw->flags));
}

/* They pass in shortened flag names; how confusingly inconsistent. */
#define ieee80211_hw_set(_hw, _flag)                                    \
        _ieee80211_hw_set(_hw, IEEE80211_HW_ ## _flag)
#define ieee80211_hw_check(_hw, _flag)                                  \
        __ieee80211_hw_check(_hw, IEEE80211_HW_ ## _flag)

/* XXX-BZ add CTASSERTS that size of struct is <= sizeof skb->cb. */
CTASSERT(sizeof(struct ieee80211_tx_info) <= sizeof(((struct sk_buff *)0)->cb));
#define IEEE80211_SKB_CB(_skb)                                          \
        ((struct ieee80211_tx_info *)((_skb)->cb))

CTASSERT(sizeof(struct ieee80211_rx_status) <= sizeof(((struct sk_buff *)0)->cb));
#define IEEE80211_SKB_RXCB(_skb)                                        \
        ((struct ieee80211_rx_status *)((_skb)->cb))

static __inline void
ieee80211_free_hw(struct ieee80211_hw *hw)
{

        linuxkpi_ieee80211_iffree(hw);

        if (hw->wiphy != NULL)
                wiphy_free(hw->wiphy);
        /* Note that *hw is not valid any longer after this. */

        IMPROVE();
}

static __inline struct ieee80211_hw *
ieee80211_alloc_hw(size_t priv_len, const struct ieee80211_ops *ops)
{

        return (linuxkpi_ieee80211_alloc_hw(priv_len, ops));
}

static __inline void
SET_IEEE80211_DEV(struct ieee80211_hw *hw, struct device *dev)
{

        set_wiphy_dev(hw->wiphy, dev);
        linuxkpi_set_ieee80211_dev(hw);

        IMPROVE();
}

static __inline int
ieee80211_register_hw(struct ieee80211_hw *hw)
{
        int error;

        error = wiphy_register(hw->wiphy);
        if (error != 0)
                return (error);

        /*
         * At this point the driver has set all the options, flags, bands,
         * ciphers, hw address(es), ... basically mac80211/cfg80211 hw/wiphy
         * setup is done.
         * We need to replicate a lot of information from here into net80211.
         */
        error = linuxkpi_ieee80211_ifattach(hw);

        IMPROVE();

        return (error);
}

static inline void
ieee80211_unregister_hw(struct ieee80211_hw *hw)
{

        linuxkpi_ieee80211_unregister_hw(hw);
}

static __inline struct ieee80211_hw *
wiphy_to_ieee80211_hw(struct wiphy *wiphy)
{

        return (linuxkpi_wiphy_to_ieee80211_hw(wiphy));
}

static inline void
ieee80211_restart_hw(struct ieee80211_hw *hw)
{
        linuxkpi_ieee80211_restart_hw(hw);
}

static inline void
ieee80211_hw_restart_disconnect(struct ieee80211_vif *vif)
{
        TODO();
}

/* -------------------------------------------------------------------------- */

#define link_conf_dereference_check(_vif, _linkid)                      \
    rcu_dereference_check((_vif)->link_conf[_linkid], true)

#define link_conf_dereference_protected(_vif, _linkid)                  \
    rcu_dereference_protected((_vif)->link_conf[_linkid], true)

#define link_sta_dereference_check(_sta, _linkid)                       \
    rcu_dereference_check((_sta)->link[_linkid], true)

#define link_sta_dereference_protected(_sta, _linkid)                   \
    rcu_dereference_protected((_sta)->link[_linkid], true)

#define for_each_vif_active_link(_vif, _link, _linkid)                  \
    for (_linkid = 0; _linkid < nitems((_vif)->link_conf); _linkid++)   \
        if ( ((_vif)->active_links == 0 /* no MLO */ ||                 \
            ((_vif)->active_links & BIT(_linkid)) != 0) &&              \
            (_link = rcu_dereference((_vif)->link_conf[_linkid])) )

#define for_each_sta_active_link(_vif, _sta, _linksta, _linkid)         \
    for (_linkid = 0; _linkid < nitems((_sta)->link); _linkid++)        \
        if ( ((_vif)->active_links == 0 /* no MLO */ ||                 \
            ((_vif)->active_links & BIT(_linkid)) != 0) &&              \
            (_linksta = link_sta_dereference_check((_sta), (_linkid))) )

/* -------------------------------------------------------------------------- */

static __inline bool
ieee80211_vif_is_mesh(struct ieee80211_vif *vif)
{
        TODO();
        return (false);
}


/* -------------------------------------------------------------------------- */
/* Receive functions (air/driver to mac80211/net80211). */


static __inline void
ieee80211_rx_napi(struct ieee80211_hw *hw, struct ieee80211_sta *sta,
    struct sk_buff *skb, struct napi_struct *napi)
{

        linuxkpi_ieee80211_rx(hw, skb, sta, napi, NULL);
}

static __inline void
ieee80211_rx_list(struct ieee80211_hw *hw, struct ieee80211_sta *sta,
    struct sk_buff *skb, struct list_head *list)
{

        linuxkpi_ieee80211_rx(hw, skb, sta, NULL, list);
}

static __inline void
ieee80211_rx_ni(struct ieee80211_hw *hw, struct sk_buff *skb)
{

        linuxkpi_ieee80211_rx(hw, skb, NULL, NULL, NULL);
}

static __inline void
ieee80211_rx_irqsafe(struct ieee80211_hw *hw, struct sk_buff *skb)
{

        linuxkpi_ieee80211_rx(hw, skb, NULL, NULL, NULL);
}

static __inline void
ieee80211_rx(struct ieee80211_hw *hw, struct sk_buff *skb)
{

        linuxkpi_ieee80211_rx(hw, skb, NULL, NULL, NULL);
}

/* -------------------------------------------------------------------------- */

static inline void
ieee80211_stop_queues(struct ieee80211_hw *hw)
{
        linuxkpi_ieee80211_stop_queues(hw);
}

static inline void
ieee80211_wake_queues(struct ieee80211_hw *hw)
{
        linuxkpi_ieee80211_wake_queues(hw);
}

static inline void
ieee80211_stop_queue(struct ieee80211_hw *hw, int qnum)
{
        linuxkpi_ieee80211_stop_queue(hw, qnum);
}

static inline void
ieee80211_wake_queue(struct ieee80211_hw *hw, int qnum)
{
        linuxkpi_ieee80211_wake_queue(hw, qnum);
}

static inline void
ieee80211_schedule_txq(struct ieee80211_hw *hw, struct ieee80211_txq *txq)
{
        linuxkpi_ieee80211_schedule_txq(hw, txq, true);
}

static inline void
ieee80211_return_txq(struct ieee80211_hw *hw, struct ieee80211_txq *txq,
    bool withoutpkts)
{
        linuxkpi_ieee80211_schedule_txq(hw, txq, withoutpkts);
}

static inline void
ieee80211_txq_schedule_start(struct ieee80211_hw *hw, uint8_t ac)
{
        linuxkpi_ieee80211_txq_schedule_start(hw, ac);
}

static inline void
ieee80211_txq_schedule_end(struct ieee80211_hw *hw, uint8_t ac)
{
        /* DO_NADA; */
}

static inline struct ieee80211_txq *
ieee80211_next_txq(struct ieee80211_hw *hw, uint8_t ac)
{
        return (linuxkpi_ieee80211_next_txq(hw, ac));
}

static inline void
ieee80211_handle_wake_tx_queue(struct ieee80211_hw *hw,
    struct ieee80211_txq *txq)
{
        linuxkpi_ieee80211_handle_wake_tx_queue(hw, txq);
}

static inline void
ieee80211_purge_tx_queue(struct ieee80211_hw *hw,
    struct sk_buff_head *skbs)
{
        TODO();
}

/* -------------------------------------------------------------------------- */

static __inline uint8_t
ieee80211_get_tid(struct ieee80211_hdr *hdr)
{

        return (linuxkpi_ieee80211_get_tid(hdr, false));
}

static __inline struct sk_buff *
ieee80211_beacon_get_tim(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
    uint16_t *tim_offset, uint16_t *tim_len, uint32_t link_id)
{

        if (tim_offset != NULL)
                *tim_offset = 0;
        if (tim_len != NULL)
                *tim_len = 0;
        TODO();
        return (NULL);
}

static __inline void
ieee80211_iterate_active_interfaces_atomic(struct ieee80211_hw *hw,
    enum ieee80211_iface_iter flags,
    void(*iterfunc)(void *, uint8_t *, struct ieee80211_vif *),
    void *arg)
{

        flags |= IEEE80211_IFACE_ITER__ATOMIC;
        flags |= IEEE80211_IFACE_ITER_ACTIVE;
        linuxkpi_ieee80211_iterate_interfaces(hw, flags, iterfunc, arg);
}

static __inline void
ieee80211_iterate_active_interfaces(struct ieee80211_hw *hw,
    enum ieee80211_iface_iter flags,
    void(*iterfunc)(void *, uint8_t *, struct ieee80211_vif *),
    void *arg)
{

        flags |= IEEE80211_IFACE_ITER_ACTIVE;
        linuxkpi_ieee80211_iterate_interfaces(hw, flags, iterfunc, arg);
}

static __inline void
ieee80211_iterate_active_interfaces_mtx(struct ieee80211_hw *hw,
    enum ieee80211_iface_iter flags,
    void(*iterfunc)(void *, uint8_t *, struct ieee80211_vif *),
    void *arg)
{
        flags |= IEEE80211_IFACE_ITER_ACTIVE;
        flags |= IEEE80211_IFACE_ITER__MTX;
        linuxkpi_ieee80211_iterate_interfaces(hw, flags, iterfunc, arg);
}

static __inline void
ieee80211_iterate_interfaces(struct ieee80211_hw *hw,
   enum ieee80211_iface_iter flags,
   void (*iterfunc)(void *, uint8_t *, struct ieee80211_vif *),
   void *arg)
{

        linuxkpi_ieee80211_iterate_interfaces(hw, flags, iterfunc, arg);
}

static inline void
ieee80211_iter_keys(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
    void(*iterfunc)(struct ieee80211_hw *, struct ieee80211_vif *,
        struct ieee80211_sta *, struct ieee80211_key_conf *, void *),
    void *arg)
{
        linuxkpi_ieee80211_iterate_keys(hw, vif, iterfunc, arg, false);
}

static inline void
ieee80211_iter_keys_rcu(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
    void(*iterfunc)(struct ieee80211_hw *, struct ieee80211_vif *,
        struct ieee80211_sta *, struct ieee80211_key_conf *, void *),
    void *arg)
{
        linuxkpi_ieee80211_iterate_keys(hw, vif, iterfunc, arg, true);
}

static __inline void
ieee80211_iter_chan_contexts_atomic(struct ieee80211_hw *hw,
    void(*iterfunc)(struct ieee80211_hw *, struct ieee80211_chanctx_conf *, void *),
    void *arg)
{

        linuxkpi_ieee80211_iterate_chan_contexts(hw, iterfunc, arg);
}

static __inline void
ieee80211_iter_chan_contexts_mtx(struct ieee80211_hw *hw,
    void (*iterfunc)(struct ieee80211_hw *, struct ieee80211_chanctx_conf *, void *),
    void *arg)
{
        IMPROVE("XXX LKPI80211 TODO MTX\n");
        linuxkpi_ieee80211_iterate_chan_contexts(hw, iterfunc, arg);
}

static __inline void
ieee80211_iterate_stations_atomic(struct ieee80211_hw *hw,
   void (*iterfunc)(void *, struct ieee80211_sta *), void *arg)
{

        linuxkpi_ieee80211_iterate_stations_atomic(hw, iterfunc, arg);
}

static __inline struct wireless_dev *
ieee80211_vif_to_wdev(struct ieee80211_vif *vif)
{

        return (linuxkpi_ieee80211_vif_to_wdev(vif));
}

static __inline struct sk_buff *
ieee80211_beacon_get_template(struct ieee80211_hw *hw,
    struct ieee80211_vif *vif, struct ieee80211_mutable_offsets *offs,
    uint32_t link_id)
{
        TODO();
        return (NULL);
}

static __inline void
ieee80211_beacon_loss(struct ieee80211_vif *vif)
{
        linuxkpi_ieee80211_beacon_loss(vif);
}

static __inline void
ieee80211_chswitch_done(struct ieee80211_vif *vif, bool t, uint32_t link_id)
{
        TODO();
}

static __inline bool
ieee80211_csa_is_complete(struct ieee80211_vif *vif)
{
        TODO();
        return (false);
}

static __inline void
ieee80211_csa_set_counter(struct ieee80211_vif *vif, uint8_t counter)
{
        TODO();
}

static __inline int
ieee80211_csa_update_counter(struct ieee80211_vif *vif)
{
        TODO();
        return (-1);
}

static __inline void
ieee80211_csa_finish(struct ieee80211_vif *vif, uint32_t link_id)
{
        TODO();
}

static inline enum nl80211_iftype
ieee80211_vif_type_p2p(struct ieee80211_vif *vif)
{

        /* If we are not p2p enabled, just return the type. */
        if (!vif->p2p)
                return (vif->type);

        /* If we are p2p, depending on side, return type. */
        switch (vif->type) {
        case NL80211_IFTYPE_AP:
                return (NL80211_IFTYPE_P2P_GO);
        case NL80211_IFTYPE_STATION:
                return (NL80211_IFTYPE_P2P_CLIENT);
        default:
                fallthrough;
        }
        return (vif->type);
}

static __inline unsigned long
ieee80211_tu_to_usec(unsigned long tu)
{

        return (tu * IEEE80211_DUR_TU);
}

/*
 * Below we assume that the two values from different emums are the same.
 * Make sure this does not accidentally change.
 */
CTASSERT((int)IEEE80211_ACTION_SM_TPCREP == (int)IEEE80211_ACTION_RADIO_MEASUREMENT_LMREP);

static __inline bool
ieee80211_action_contains_tpc(struct sk_buff *skb)
{
        struct ieee80211_mgmt *mgmt;

        mgmt = (struct ieee80211_mgmt *)skb->data;

        /* Check that this is a mgmt/action frame? */
        if (!ieee80211_is_action(mgmt->frame_control))
                return (false);

        /*
         * This is a bit convoluted but according to docs both actions
         * are checked for this.  Kind-of makes sense for the only consumer
         * (iwlwifi) I am aware off given the txpower fields are at the
         * same location so firmware can update the value.
         */
        /* 80211-2020 9.6.2 Spectrum Management Action frames */
        /* 80211-2020 9.6.2.5 TPC Report frame format */
        /* 80211-2020 9.6.6 Radio Measurement action details */
        /* 80211-2020 9.6.6.4 Link Measurement Report frame format */
        /* Check that it is Spectrum Management or Radio Measurement? */
        if (mgmt->u.action.category != IEEE80211_ACTION_CAT_SM &&
            mgmt->u.action.category != IEEE80211_ACTION_CAT_RADIO_MEASUREMENT)
                return (false);

        /*
         * Check that it is TPC Report or Link Measurement Report?
         * The values of each are the same (see CTASSERT above function).
         */
        if (mgmt->u.action.u.tpc_report.spec_mgmt != IEEE80211_ACTION_SM_TPCREP)
                return (false);

        /* 80211-2020 9.4.2.16 TPC Report element */
        /* Check that the ELEMID and length are correct? */
        if (mgmt->u.action.u.tpc_report.tpc_elem_id != IEEE80211_ELEMID_TPCREP ||
            mgmt->u.action.u.tpc_report.tpc_elem_length != 4)
                return (false);

        /* All the right fields in the right place. */
        return (true);
}

static __inline void
ieee80211_connection_loss(struct ieee80211_vif *vif)
{

        linuxkpi_ieee80211_connection_loss(vif);
}

static __inline struct ieee80211_sta *
ieee80211_find_sta(struct ieee80211_vif *vif, const u8 *peer)
{

        return (linuxkpi_ieee80211_find_sta(vif, peer));
}

static __inline struct ieee80211_sta *
ieee80211_find_sta_by_ifaddr(struct ieee80211_hw *hw, const uint8_t *addr,
    const uint8_t *ourvifaddr)
{

        return (linuxkpi_ieee80211_find_sta_by_ifaddr(hw, addr, ourvifaddr));
}

static __inline size_t
ieee80211_ie_split(const u8 *ies, size_t ies_len,
    const u8 *ie_ids, size_t ie_ids_len, size_t start)
{
        size_t x;

        x = start;

        /* XXX FIXME, we need to deal with "Element ID Extension" */
        while (x < ies_len) {

                /* Is this IE[s] one of the ie_ids? */
                if (!linuxkpi_ieee80211_is_ie_id_in_ie_buf(ies[x],
                    ie_ids, ie_ids_len))
                        break;

                if (!linuxkpi_ieee80211_ie_advance(&x, ies, ies_len))
                        break;
        }

        return (x);
}

static __inline void
ieee80211_request_smps(struct ieee80211_vif *vif, u_int link_id,
    enum ieee80211_smps_mode smps)
{
        static const char *smps_mode_name[] = {
                "SMPS_OFF",
                "SMPS_STATIC",
                "SMPS_DYNAMIC",
                "SMPS_AUTOMATIC",
        };

        if (vif->type != NL80211_IFTYPE_STATION)
                return;

        if (smps >= nitems(smps_mode_name))
                panic("%s: unsupported smps value: %d\n", __func__, smps);

        IMPROVE("XXX LKPI80211 TODO smps %d %s\n", smps, smps_mode_name[smps]);
}

static __inline void
ieee80211_tdls_oper_request(struct ieee80211_vif *vif, uint8_t *addr,
    enum nl80211_tdls_operation oper, enum ieee80211_reason_code code,
    gfp_t gfp)
{
        TODO();
}

static __inline void
wiphy_rfkill_set_hw_state(struct wiphy *wiphy, bool state)
{
        TODO();
}

static __inline void
ieee80211_free_txskb(struct ieee80211_hw *hw, struct sk_buff *skb)
{
        IMPROVE();

        /*
         * This is called on transmit failure.
         * Use a not-so-random random high status error so we can distinguish
         * it from normal low values flying around in net80211 ("ETX").
         */
        linuxkpi_ieee80211_free_txskb(hw, skb, 0x455458);
}

static __inline void
ieee80211_ready_on_channel(struct ieee80211_hw *hw)
{
        TODO();
/* XXX-BZ We need to see that. */
}

static __inline void
ieee80211_remain_on_channel_expired(struct ieee80211_hw *hw)
{
        TODO();
}

static __inline void
ieee80211_cqm_rssi_notify(struct ieee80211_vif *vif,
    enum nl80211_cqm_rssi_threshold_event crte, int sig, gfp_t gfp)
{
        TODO();
}

/* -------------------------------------------------------------------------- */

static inline bool
ieee80211_sn_less(uint16_t sn1, uint16_t sn2)
{
        return (IEEE80211_SEQ_BA_BEFORE(sn1, sn2));
}

static inline uint16_t
ieee80211_sn_inc(uint16_t sn)
{
        return (IEEE80211_SEQ_INC(sn));
}

static inline uint16_t
ieee80211_sn_add(uint16_t sn, uint16_t a)
{
        return (IEEE80211_SEQ_ADD(sn, a));
}

static inline uint16_t
ieee80211_sn_sub(uint16_t sa, uint16_t sb)
{
        return (IEEE80211_SEQ_SUB(sa, sb));
}

static __inline void
ieee80211_mark_rx_ba_filtered_frames(struct ieee80211_sta *sta, uint8_t tid,
    uint32_t ssn, uint64_t bitmap, uint16_t received_mpdu)
{
        TODO();
}

static __inline void
ieee80211_stop_rx_ba_session(struct ieee80211_vif *vif, uint32_t x, uint8_t *addr)
{
        TODO();
}

static __inline void
ieee80211_rx_ba_timer_expired(struct ieee80211_vif *vif, uint8_t *addr,
    uint8_t tid)
{
        TODO();
}

static __inline void
ieee80211_start_rx_ba_session_offl(struct ieee80211_vif *vif, uint8_t *addr,
    uint8_t tid)
{
        TODO();
}

static __inline void
ieee80211_stop_rx_ba_session_offl(struct ieee80211_vif *vif, uint8_t *addr,
    uint8_t tid)
{
        TODO();
}

/* -------------------------------------------------------------------------- */

static inline void
ieee80211_rate_set_vht(struct ieee80211_tx_rate *r, uint8_t mcs, uint8_t nss)
{

        /* XXX-BZ make it KASSERTS? */
        if (((mcs & 0xF0) != 0) || (((nss - 1) & 0xf8) != 0)) {
                printf("%s:%d: mcs %#04x nss %#04x invalid\n",
                     __func__, __LINE__, mcs, nss);
                return;
        }

        r->idx = mcs;
        r->idx |= ((nss - 1) << 4);
}

static inline uint8_t
ieee80211_rate_get_vht_nss(const struct ieee80211_tx_rate *r)
{
        return (((r->idx >> 4) & 0x07) + 1);
}

static inline uint8_t
ieee80211_rate_get_vht_mcs(const struct ieee80211_tx_rate *r)
{
        return (r->idx & 0x0f);
}

static inline int
ieee80211_get_vht_max_nss(struct ieee80211_vht_cap *vht_cap,
    enum ieee80211_vht_chanwidth chanwidth,             /* defined in net80211. */
    int mcs /* always 0 */, bool ext_nss_bw_cap /* always true */, int max_nss)
{
        enum ieee80211_vht_mcs_support mcs_s;
        uint32_t supp_cw, ext_nss_bw;

        switch (mcs) {
        case 0 ... 7:
                mcs_s = IEEE80211_VHT_MCS_SUPPORT_0_7;
                break;
        case 8:
                mcs_s = IEEE80211_VHT_MCS_SUPPORT_0_8;
                break;
        case 9:
                mcs_s = IEEE80211_VHT_MCS_SUPPORT_0_9;
                break;
        default:
                printf("%s: unsupported mcs value %d\n", __func__, mcs);
                return (0);
        }

        if (max_nss == 0) {
                uint16_t map;

                map = le16toh(vht_cap->supp_mcs.rx_mcs_map);
                for (int i = 7; i >= 0; i--) {
                        uint8_t val;

                        val = (map >> (2 * i)) & 0x03;
                        if (val == IEEE80211_VHT_MCS_NOT_SUPPORTED)
                                continue;
                        if (val >= mcs_s) {
                                max_nss = i + 1;
                                break;
                        }
                }
        }

        if (max_nss == 0)
                return (0);

        if ((le16toh(vht_cap->supp_mcs.tx_mcs_map) &
            IEEE80211_VHT_EXT_NSS_BW_CAPABLE) == 0)
                return (max_nss);

        supp_cw = le32_get_bits(vht_cap->vht_cap_info,
            IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_MASK);
        ext_nss_bw = le32_get_bits(vht_cap->vht_cap_info,
            IEEE80211_VHT_CAP_EXT_NSS_BW_MASK);

        /* If requested as ext nss not supported assume ext_nss_bw 0. */
        if (!ext_nss_bw_cap)
                ext_nss_bw = 0;

        /*
         * Cover 802.11-2016, Table 9-250.
         */

        /* Unsupported settings. */
        if (supp_cw == 3)
                return (0);
        if (supp_cw == 2 && (ext_nss_bw == 1 || ext_nss_bw == 2))
                return (0);

        /* Settings with factor != 1 or unsupported. */
        switch (chanwidth) {
        case IEEE80211_VHT_CHANWIDTH_80P80MHZ:
                if (supp_cw == 0 && (ext_nss_bw == 0 || ext_nss_bw == 1))
                        return (0);
                if (supp_cw == 1 && ext_nss_bw == 0)
                        return (0);
                if ((supp_cw == 0 || supp_cw == 1) && ext_nss_bw == 2)
                        return (max_nss / 2);
                if ((supp_cw == 0 || supp_cw == 1) && ext_nss_bw == 3)
                        return (3 * max_nss / 4);
                break;
        case IEEE80211_VHT_CHANWIDTH_160MHZ:
                if (supp_cw == 0 && ext_nss_bw == 0)
                        return (0);
                if (supp_cw == 0 && (ext_nss_bw == 1 || ext_nss_bw == 2))
                        return (max_nss / 2);
                if (supp_cw == 0 && ext_nss_bw == 3)
                        return (3 * max_nss / 4);
                if (supp_cw == 1 && ext_nss_bw == 3)
                        return (2 * max_nss);
                break;
        case IEEE80211_VHT_CHANWIDTH_80MHZ:
        case IEEE80211_VHT_CHANWIDTH_USE_HT:
                if ((supp_cw == 1 || supp_cw == 2) && ext_nss_bw == 3)
                        return (2 * max_nss);
                break;
        }

        /* Everything else has a factor of 1. */
        return (max_nss);
}


static __inline void
ieee80211_reserve_tid(struct ieee80211_sta *sta, uint8_t tid)
{
        TODO();
}

static __inline void
ieee80211_unreserve_tid(struct ieee80211_sta *sta, uint8_t tid)
{
        TODO();
}

static __inline void
ieee80211_send_eosp_nullfunc(struct ieee80211_sta *sta, uint8_t tid)
{
        TODO();
}

static __inline void
ieee80211_sta_block_awake(struct ieee80211_hw *hw, struct ieee80211_sta *sta,
    bool disable)
{
        TODO();
}

static __inline void
ieee80211_sta_ps_transition(struct ieee80211_sta *sta, bool sleeping)
{
        TODO();
}

static __inline void
ieee80211_sta_pspoll(struct ieee80211_sta *sta)
{
        TODO();
}

static inline void
ieee80211_sta_recalc_aggregates(struct ieee80211_sta *sta)
{
        if (sta->valid_links) {
                TODO();
        }
}

static __inline void
ieee80211_sta_uapsd_trigger(struct ieee80211_sta *sta, int ntids)
{
        TODO();
}

static inline struct sk_buff *
ieee80211_tx_dequeue(struct ieee80211_hw *hw, struct ieee80211_txq *txq)
{

        return (linuxkpi_ieee80211_tx_dequeue(hw, txq));
}

static inline struct sk_buff *
ieee80211_tx_dequeue_ni(struct ieee80211_hw *hw, struct ieee80211_txq *txq)
{
        struct sk_buff *skb;

        local_bh_disable();
        skb = linuxkpi_ieee80211_tx_dequeue(hw, txq);
        local_bh_enable();

        return (skb);
}

static __inline void
ieee80211_update_mu_groups(struct ieee80211_vif *vif,
    u_int link_id, const uint8_t *ms, const uint8_t *up)
{
        TODO();
}

static __inline void
ieee80211_sta_set_buffered(struct ieee80211_sta *sta, uint8_t tid, bool t)
{
        TODO();
}

static __inline void
ieee80211_sched_scan_results(struct ieee80211_hw *hw)
{
        TODO();
}

static __inline void
ieee80211_sta_eosp(struct ieee80211_sta *sta)
{
        TODO();
}

static __inline int
ieee80211_start_tx_ba_session(struct ieee80211_sta *sta, uint8_t tid, int x)
{
        TODO("rtw8x");
        return (-EINVAL);
}

static __inline int
ieee80211_stop_tx_ba_session(struct ieee80211_sta *sta, uint8_t tid)
{
        TODO("rtw89");
        return (-EINVAL);
}

static __inline void
ieee80211_start_tx_ba_cb_irqsafe(struct ieee80211_vif *vif, uint8_t *addr,
    uint8_t tid)
{
        TODO("iwlwifi");
}

static __inline void
ieee80211_stop_tx_ba_cb_irqsafe(struct ieee80211_vif *vif, uint8_t *addr,
    uint8_t tid)
{
        TODO("iwlwifi/rtw8x/...");
}

static __inline void
ieee80211_sched_scan_stopped(struct ieee80211_hw *hw)
{
        TODO();
}

static __inline void
ieee80211_scan_completed(struct ieee80211_hw *hw,
    struct cfg80211_scan_info *info)
{

        linuxkpi_ieee80211_scan_completed(hw, info);
}

static __inline struct sk_buff *
ieee80211_beacon_get(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
    uint32_t link_id)
{
        TODO();
        return (NULL);
}

static __inline struct sk_buff *
ieee80211_pspoll_get(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
{

        /* Only STA needs this.  Otherwise return NULL and panic bad drivers. */
        if (vif->type != NL80211_IFTYPE_STATION)
                return (NULL);

        return (linuxkpi_ieee80211_pspoll_get(hw, vif));
}

static __inline struct sk_buff *
ieee80211_proberesp_get(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
{
        TODO();
        return (NULL);
}

static __inline struct sk_buff *
ieee80211_nullfunc_get(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
    int linkid, bool qos)
{

        /* Only STA needs this.  Otherwise return NULL and panic bad drivers. */
        if (vif->type != NL80211_IFTYPE_STATION)
                return (NULL);

        return (linuxkpi_ieee80211_nullfunc_get(hw, vif, linkid, qos));
}

static __inline struct sk_buff *
ieee80211_probereq_get(struct ieee80211_hw *hw, const uint8_t *addr,
    const uint8_t *ssid, size_t ssid_len, size_t tailroom)
{

        return (linuxkpi_ieee80211_probereq_get(hw, addr, ssid, ssid_len,
            tailroom));
}

static __inline void
ieee80211_queue_delayed_work(struct ieee80211_hw *hw, struct delayed_work *w,
    int delay)
{

        linuxkpi_ieee80211_queue_delayed_work(hw, w, delay);
}

static __inline void
ieee80211_queue_work(struct ieee80211_hw *hw, struct work_struct *w)
{

        linuxkpi_ieee80211_queue_work(hw, w);
}

static __inline bool
ieee80211_tx_prepare_skb(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
    struct sk_buff *skb, enum nl80211_band band, struct ieee80211_sta **sta)
{
        TODO();
        return (false);
}

static __inline void
ieee80211_tx_status_skb(struct ieee80211_hw *hw, struct sk_buff *skb)
{
        linuxkpi_ieee80211_tx_status(hw, skb);
}

static inline void
ieee80211_tx_status_noskb(struct ieee80211_hw *hw, struct ieee80211_sta *sta,
    struct ieee80211_tx_info *info)
{
        TODO();
}

static __inline void
ieee80211_tx_status_irqsafe(struct ieee80211_hw *hw, struct sk_buff *skb)
{
        IMPROVE();
        linuxkpi_ieee80211_tx_status(hw, skb);
}

static __inline void
ieee80211_tx_status_ni(struct ieee80211_hw *hw, struct sk_buff *skb)
{
        IMPROVE();
        linuxkpi_ieee80211_tx_status(hw, skb);
}

static __inline void
ieee80211_tx_status_ext(struct ieee80211_hw *hw,
    struct ieee80211_tx_status *txstat)
{

        linuxkpi_ieee80211_tx_status_ext(hw, txstat);
}

static __inline void
ieee80211_tx_info_clear_status(struct ieee80211_tx_info *info)
{
        int i;

        /*
         * Apparently clearing flags and some other fields is not right.
         * Given the function is called "status" we work on that part of
         * the union.
         */
        for (i = 0; i < nitems(info->status.rates); i++)
                info->status.rates[i].count = 0;
        /*
         * Unclear if ack_signal should be included or not but we clear the
         * "valid" bool so this field is no longer valid.
         */
        memset(&info->status.ack_signal, 0, sizeof(*info) -
            offsetof(struct ieee80211_tx_info, status.ack_signal));
}

static __inline void
ieee80211_txq_get_depth(struct ieee80211_txq *txq, unsigned long *frame_cnt,
    unsigned long *byte_cnt)
{

        if (frame_cnt == NULL && byte_cnt == NULL)
                return;

        linuxkpi_ieee80211_txq_get_depth(txq, frame_cnt, byte_cnt);
}

static __inline void
SET_IEEE80211_PERM_ADDR (struct ieee80211_hw *hw, uint8_t *addr)
{

        ether_addr_copy(hw->wiphy->perm_addr, addr);
}

static __inline void
ieee80211_report_low_ack(struct ieee80211_sta *sta, int x)
{
        TODO();
}

static __inline void
ieee80211_tx_rate_update(struct ieee80211_hw *hw, struct ieee80211_sta *sta,
    struct ieee80211_tx_info *info)
{
        TODO();
}

static __inline bool
ieee80211_txq_may_transmit(struct ieee80211_hw *hw, struct ieee80211_txq *txq)
{
        TODO();
        return (false);
}

static __inline void
ieee80211_radar_detected(struct ieee80211_hw *hw,
    struct ieee80211_chanctx_conf *chanctx_conf)
{
        TODO();
}

static __inline void
ieee80211_sta_register_airtime(struct ieee80211_sta *sta,
    uint8_t tid, uint32_t duration, int x)
{
        IMPROVE("NL80211_EXT_FEATURE_AIRTIME_FAIRNESS and TX queus");
}

static __inline void
ieee80211_beacon_set_cntdwn(struct ieee80211_vif *vif, u8 counter)
{
        TODO();
}

static __inline int
ieee80211_beacon_update_cntdwn(struct ieee80211_vif *vif, uint32_t link_id)
{
        TODO();
        return (-1);
}

static __inline bool
ieee80211_beacon_cntdwn_is_complete(struct ieee80211_vif *vif, uint32_t link_id)
{
        TODO();
        return (true);
}

static __inline void
ieee80211_disconnect(struct ieee80211_vif *vif, bool _x)
{
        TODO();
}

static __inline void
ieee80211_channel_switch_disconnect(struct ieee80211_vif *vif)
{
        TODO();
}

static __inline uint32_t
ieee80211_calc_rx_airtime(struct ieee80211_hw *hw,
    struct ieee80211_rx_status *rxstat, int len)
{
        TODO();
        return (0);
}

static __inline void
ieee80211_get_tx_rates(struct ieee80211_vif *vif, struct ieee80211_sta *sta,
    struct sk_buff *skb, struct ieee80211_tx_rate *txrate, int nrates)
{
        TODO();
}

static __inline void
ieee80211_color_change_finish(struct ieee80211_vif *vif, uint8_t link_id)
{
        TODO();
}

static __inline struct sk_buff *
ieee80211_get_fils_discovery_tmpl(struct ieee80211_hw *hw,
    struct ieee80211_vif *vif)
{
        TODO();
        return (NULL);
}

static __inline struct sk_buff *
ieee80211_get_unsol_bcast_probe_resp_tmpl(struct ieee80211_hw *hw,
    struct ieee80211_vif *vif)
{
        TODO();
        return (NULL);
}

static __inline void
linuxkpi_ieee80211_send_bar(struct ieee80211_vif *vif, uint8_t *ra, uint16_t tid,
    uint16_t ssn)
{
        TODO();
}

static __inline void
ieee80211_resume_disconnect(struct ieee80211_vif *vif)
{
        TODO();
}

static __inline int
ieee80211_data_to_8023(struct sk_buff *skb, const uint8_t *addr,
     enum nl80211_iftype iftype)
{
        TODO();
        return (-1);
}

/* -------------------------------------------------------------------------- */

static __inline void
ieee80211_key_mic_failure(struct ieee80211_key_conf *key)
{
        TODO();
}

static __inline void
ieee80211_key_replay(struct ieee80211_key_conf *key)
{
        TODO();
}

static __inline void
ieee80211_remove_key(struct ieee80211_key_conf *key)
{
        TODO();
}

static __inline struct ieee80211_key_conf *
ieee80211_gtk_rekey_add(struct ieee80211_vif *vif,
    uint16_t keyidx, uint8_t *key, size_t keylen, int link_id)
{
        TODO();
        return (NULL);
}

static __inline void
ieee80211_gtk_rekey_notify(struct ieee80211_vif *vif, const uint8_t *bssid,
    const uint8_t *replay_ctr, gfp_t gfp)
{
        TODO();
}

static __inline void
ieee80211_tkip_add_iv(u8 *crypto_hdr, struct ieee80211_key_conf *keyconf,
    uint64_t pn)
{
        TODO();
}

static __inline void
ieee80211_get_tkip_rx_p1k(struct ieee80211_key_conf *keyconf,
    const u8 *addr, uint32_t iv32, u16 *p1k)
{

        KASSERT(keyconf != NULL && addr != NULL && p1k != NULL,
            ("%s: keyconf %p addr %p p1k %p\n", __func__, keyconf, addr, p1k));

        TODO();
        memset(p1k, 0xfa, 5 * sizeof(*p1k));    /* Just initializing. */
}

static __inline void
ieee80211_get_tkip_p1k_iv(struct ieee80211_key_conf *key,
    uint32_t iv32, uint16_t *p1k)
{
        TODO();
}

static __inline void
ieee80211_get_tkip_p2k(struct ieee80211_key_conf *keyconf,
    struct sk_buff *skb_frag, u8 *key)
{
        TODO();
}

static inline void
ieee80211_get_key_rx_seq(struct ieee80211_key_conf *keyconf, int8_t tid,
    struct ieee80211_key_seq *seq)
{
        const struct ieee80211_key *k;
        const uint8_t *p;

        KASSERT(keyconf != NULL && seq != NULL, ("%s: keyconf %p seq %p\n",
            __func__, keyconf, seq));
        k = keyconf->_k;
        KASSERT(k != NULL, ("%s: keyconf %p ieee80211_key is NULL\n", __func__, keyconf));

        switch (keyconf->cipher) {
        case WLAN_CIPHER_SUITE_TKIP:
                if (tid < 0 || tid >= IEEE80211_NUM_TIDS)
                        return;
                /* See net80211::tkip_decrypt() */
                seq->tkip.iv32 = TKIP_PN_TO_IV32(k->wk_keyrsc[tid]);
                seq->tkip.iv16 = TKIP_PN_TO_IV16(k->wk_keyrsc[tid]);
                break;
        case WLAN_CIPHER_SUITE_CCMP:
        case WLAN_CIPHER_SUITE_CCMP_256:
                if (tid < -1 || tid >= IEEE80211_NUM_TIDS)
                        return;
                if (tid == -1)
                        p = (const uint8_t *)&k->wk_keyrsc[IEEE80211_NUM_TIDS]; /* IEEE80211_NONQOS_TID */
                else
                        p = (const uint8_t *)&k->wk_keyrsc[tid];
                memcpy(seq->ccmp.pn, p, sizeof(seq->ccmp.pn));
                break;
        case WLAN_CIPHER_SUITE_GCMP:
        case WLAN_CIPHER_SUITE_GCMP_256:
                if (tid < -1 || tid >= IEEE80211_NUM_TIDS)
                        return;
                if (tid == -1)
                        p = (const uint8_t *)&k->wk_keyrsc[IEEE80211_NUM_TIDS]; /* IEEE80211_NONQOS_TID */
                else
                        p = (const uint8_t *)&k->wk_keyrsc[tid];
                memcpy(seq->gcmp.pn, p, sizeof(seq->gcmp.pn));
                break;
        case WLAN_CIPHER_SUITE_AES_CMAC:
        case WLAN_CIPHER_SUITE_BIP_CMAC_256:
                TODO();
                memset(seq->aes_cmac.pn, 0xfa, sizeof(seq->aes_cmac.pn));       /* XXX TODO */
                break;
        case WLAN_CIPHER_SUITE_BIP_GMAC_128:
        case WLAN_CIPHER_SUITE_BIP_GMAC_256:
                TODO();
                memset(seq->aes_gmac.pn, 0xfa, sizeof(seq->aes_gmac.pn));       /* XXX TODO */
                break;
        default:
                pr_debug("%s: unsupported cipher suite %d\n", __func__, keyconf->cipher);
                break;
        }
}

static __inline void
ieee80211_set_key_rx_seq(struct ieee80211_key_conf *key, int tid,
    struct ieee80211_key_seq *seq)
{
        TODO();
}

/* -------------------------------------------------------------------------- */

static __inline void
ieee80211_report_wowlan_wakeup(struct ieee80211_vif *vif,
    struct cfg80211_wowlan_wakeup *wakeup, gfp_t gfp)
{
        TODO();
}

static __inline void
ieee80211_obss_color_collision_notify(struct ieee80211_vif *vif,
    uint64_t obss_color_bitmap, gfp_t gfp)
{
        TODO();
}

static __inline void
ieee80211_refresh_tx_agg_session_timer(struct ieee80211_sta *sta,
    uint8_t tid)
{
        TODO();
}

static __inline struct ieee80211_ema_beacons *
ieee80211_beacon_get_template_ema_list(struct ieee80211_hw *hw,
    struct ieee80211_vif *vif, uint32_t link_id)
{
        TODO();
        return (NULL);
}

static __inline void
ieee80211_beacon_free_ema_list(struct ieee80211_ema_beacons *bcns)
{
        TODO();
}

static inline bool
ieee80211_vif_is_mld(const struct ieee80211_vif *vif)
{

        /* If valid_links is non-zero, the vif is an MLD. */
        return (vif->valid_links != 0);
}

static inline const struct ieee80211_sta_he_cap *
ieee80211_get_he_iftype_cap_vif(const struct ieee80211_supported_band *band,
    struct ieee80211_vif *vif)
{
        enum nl80211_iftype iftype;

        iftype = ieee80211_vif_type_p2p(vif);
        return (ieee80211_get_he_iftype_cap(band, iftype));
}

static inline const struct ieee80211_sta_eht_cap *
ieee80211_get_eht_iftype_cap_vif(const struct ieee80211_supported_band *band,
    struct ieee80211_vif *vif)
{
        enum nl80211_iftype iftype;

        iftype = ieee80211_vif_type_p2p(vif);
        return (ieee80211_get_eht_iftype_cap(band, iftype));
}

static inline uint32_t
ieee80211_vif_usable_links(const struct ieee80211_vif *vif)
{
        IMPROVE("MLO usable links likely are not just valid");
        return (vif->valid_links);
}

static inline bool
ieee80211_vif_link_active(const struct ieee80211_vif *vif, uint8_t link_id)
{
        if (ieee80211_vif_is_mld(vif))
                return (vif->active_links & BIT(link_id));
        return (link_id == 0);
}

static inline void
ieee80211_set_active_links_async(struct ieee80211_vif *vif,
    uint32_t new_active_links)
{
        TODO();
}

static inline int
ieee80211_set_active_links(struct ieee80211_vif *vif,
    uint32_t active_links)
{
        TODO();
        return (-ENXIO);
}

static inline void
ieee80211_cqm_beacon_loss_notify(struct ieee80211_vif *vif, gfp_t gfp __unused)
{
        IMPROVE("we notify user space by a vap state change eventually");
        linuxkpi_ieee80211_beacon_loss(vif);
}

#define ieee80211_send_bar(_v, _r, _t, _s)                              \
    linuxkpi_ieee80211_send_bar(_v, _r, _t, _s)

/* -------------------------------------------------------------------------- */

int lkpi_80211_update_chandef(struct ieee80211_hw *,
    struct ieee80211_chanctx_conf *);

static inline int
ieee80211_emulate_add_chanctx(struct ieee80211_hw *hw,
    struct ieee80211_chanctx_conf *chanctx_conf)
{
        int error;

        hw->conf.radar_enabled = chanctx_conf->radar_enabled;
        error = lkpi_80211_update_chandef(hw, chanctx_conf);
        return (error);
}

static inline void
ieee80211_emulate_remove_chanctx(struct ieee80211_hw *hw,
    struct ieee80211_chanctx_conf *chanctx_conf __unused)
{
        hw->conf.radar_enabled = false;
        lkpi_80211_update_chandef(hw, NULL);
}

static inline void
ieee80211_emulate_change_chanctx(struct ieee80211_hw *hw,
    struct ieee80211_chanctx_conf *chanctx_conf, uint32_t changed __unused)
{
        hw->conf.radar_enabled = chanctx_conf->radar_enabled;
        lkpi_80211_update_chandef(hw, chanctx_conf);
}

static inline int
ieee80211_emulate_switch_vif_chanctx(struct ieee80211_hw *hw,
    struct ieee80211_vif_chanctx_switch *vifs, int n_vifs,
    enum ieee80211_chanctx_switch_mode mode __unused)
{
        struct ieee80211_chanctx_conf *chanctx_conf;
        int error;

        /* Sanity check. */
        if (n_vifs <= 0)
                return (-EINVAL);
        if (vifs == NULL || vifs[0].new_ctx == NULL)
                return (-EINVAL);

        /*
         * What to do if n_vifs > 1?
         * Does that make sense for drivers not supporting chanctx?
         */
        hw->conf.radar_enabled = vifs[0].new_ctx->radar_enabled;
        chanctx_conf = vifs[0].new_ctx;
        error = lkpi_80211_update_chandef(hw, chanctx_conf);
        return (error);
}

/* -------------------------------------------------------------------------- */

#endif  /* _LINUXKPI_NET_MAC80211_H */