/*-
 * Copyright (c) 2020-2026 The FreeBSD Foundation
 * Copyright (c) 2020-2021 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.
 */

/*
 * Public functions are called linuxkpi_*().
 * Internal (static) functions are called lkpi_*().
 *
 * The internal structures holding metadata over public structures are also
 * called lkpi_xxx (usually with a member at the end called xxx).
 * Note: we do not replicate the structure names but the general variable names
 * for these (e.g., struct hw -> struct lkpi_hw, struct sta -> struct lkpi_sta).
 * There are macros to access one from the other.
 * We call the internal versions lxxx (e.g., hw -> lhw, sta -> lsta).
 */

#ifndef _LKPI_SRC_LINUX_80211_H
#define _LKPI_SRC_LINUX_80211_H

#include "opt_wlan.h"

#if defined(IEEE80211_DEBUG) && !defined(LINUXKPI_DEBUG_80211)
#define LINUXKPI_DEBUG_80211
#endif

/* #define      LINUXKPI_DEBUG_80211 */

#ifndef D80211_TODO
#define D80211_TODO             0x00000001
#endif
#ifndef D80211_IMPROVE
#define D80211_IMPROVE          0x00000002
#endif
#define D80211_IMPROVE_TXQ      0x00000004
#define D80211_TRACE            0x00000010
#define D80211_TRACEOK          0x00000020
#define D80211_SCAN             0x00000040
#define D80211_SCAN_BEACON      0x00000080
#define D80211_TRACE_TX         0x00000100
#define D80211_TRACE_TX_DUMP    0x00000200
#define D80211_TRACE_RX         0x00001000
#define D80211_TRACE_RX_DUMP    0x00002000
#define D80211_TRACE_RX_BEACONS 0x00004000
#define D80211_TRACEX           (D80211_TRACE_TX|D80211_TRACE_RX)
#define D80211_TRACEX_DUMP      (D80211_TRACE_TX_DUMP|D80211_TRACE_RX_DUMP)
#define D80211_TRACE_STA        0x00010000
#define D80211_TRACE_HW_CRYPTO  0x00020000
#define D80211_TRACE_MO         0x00100000
#define D80211_TRACE_MODE       0x0f000000
#define D80211_TRACE_MODE_HT    0x01000000
#define D80211_TRACE_MODE_VHT   0x02000000
#define D80211_TRACE_MODE_HE    0x04000000
#define D80211_TRACE_MODE_EHT   0x08000000

#ifdef  LINUXKPI_DEBUG_80211
#define TRACE_SCAN(ic, fmt, ...)                                        \
    if (linuxkpi_debug_80211 & D80211_SCAN)                             \
        printf("%s:%d: %s SCAN " fmt "\n",                              \
            __func__, __LINE__, ic->ic_name, ##__VA_ARGS__)
#define TRACE_SCAN_BEACON(ic, fmt, ...)                                 \
    if (linuxkpi_debug_80211 & D80211_SCAN_BEACON)                      \
        printf("%s:%d: %s SCAN " fmt "\n",                              \
            __func__, __LINE__, ic->ic_name, ##__VA_ARGS__)
#else
#define TRACE_SCAN(...)         do {} while (0)
#define TRACE_SCAN_BEACON(...)  do {} while (0)
#endif

#define IMPROVE_TXQ(...)                                                \
    if (linuxkpi_debug_80211 & D80211_IMPROVE_TXQ)                      \
        printf("%s:%d: XXX LKPI80211 IMPROVE_TXQ\n", __func__, __LINE__)

#define IMPROVE_HT(fmt, ...)                                            \
    if (linuxkpi_debug_80211 & D80211_TRACE_MODE_HT)                    \
        printf("%s:%d: XXX LKPI80211 IMPROVE_HT " fmt "\n",             \
            __func__, __LINE__, ##__VA_ARGS__);

#define MTAG_ABI_LKPI80211      1707696513      /* LinuxKPI 802.11 KBI */

#ifdef LKPI_80211_USE_MTAG
/*
 * Deferred RX path.
 * We need to pass *ni along (and possibly more in the future so
 * we use a struct right from the start.
 */
#define LKPI80211_TAG_RXNI      0               /* deferred RX path */
struct lkpi_80211_tag_rxni {
        struct ieee80211_node   *ni;            /* MUST hold a reference to it. */
};
#endif

struct lkpi_radiotap_tx_hdr {
        struct ieee80211_radiotap_header wt_ihdr;
        uint8_t         wt_flags;
        uint8_t         wt_rate;
        uint16_t        wt_chan_freq;
        uint16_t        wt_chan_flags;
} __packed;
#define LKPI_RTAP_TX_FLAGS_PRESENT                                      \
        ((1 << IEEE80211_RADIOTAP_FLAGS) |                              \
         (1 << IEEE80211_RADIOTAP_RATE) |                               \
         (1 << IEEE80211_RADIOTAP_CHANNEL))

struct lkpi_radiotap_rx_hdr {
        struct ieee80211_radiotap_header wr_ihdr;
        uint64_t        wr_tsft;
        uint8_t         wr_flags;
        uint8_t         wr_rate;
        uint16_t        wr_chan_freq;
        uint16_t        wr_chan_flags;
        int8_t          wr_dbm_antsignal;
        int8_t          wr_dbm_antnoise;
} __packed __aligned(8);
#define LKPI_RTAP_RX_FLAGS_PRESENT                                      \
        ((1 << IEEE80211_RADIOTAP_TSFT) |                               \
         (1 << IEEE80211_RADIOTAP_FLAGS) |                              \
         (1 << IEEE80211_RADIOTAP_RATE) |                               \
         (1 << IEEE80211_RADIOTAP_CHANNEL) |                            \
         (1 << IEEE80211_RADIOTAP_DBM_ANTSIGNAL) |                      \
         (1 << IEEE80211_RADIOTAP_DBM_ANTNOISE))

struct lkpi_hw;

struct lkpi_txq {
        TAILQ_ENTRY(lkpi_txq)   txq_entry;

        struct mtx              ltxq_mtx;
        bool                    seen_dequeue;
        bool                    stopped;
        uint32_t                txq_generation;
        struct sk_buff_head     skbq;
        uint64_t                frms_enqueued;
        uint64_t                frms_dequeued;
        uint64_t                frms_tx;

        /* Must be last! */
        struct ieee80211_txq    txq __aligned(CACHE_LINE_SIZE);
};
#define TXQ_TO_LTXQ(_txq)       container_of(_txq, struct lkpi_txq, txq)


struct lkpi_sta {
        struct list_head        lsta_list;
        struct ieee80211_node   *ni;
        struct ieee80211_hw     *hw;            /* back pointer f. locking. */

        /* Deferred TX path. */
        /* Eventually we might want to migrate this into net80211 entirely. */
        /* XXX-BZ can we use sta->txq[] instead directly? */
        struct task             txq_task;
        struct mbufq            txq;
        struct mtx              txq_mtx;

        struct ieee80211_key_conf *kc[IEEE80211_WEP_NKID];
        enum ieee80211_sta_state state;
        bool                    txq_ready;                      /* Can we run the taskq? */
        bool                    added_to_drv;                   /* Driver knows; i.e. we called ...(). */
        bool                    in_mgd;                         /* XXX-BZ should this be per-vif? */

        struct station_info     sinfo;                          /* statistics */
        uint64_t                frms_tx;                        /* (*tx) */

        /* Must be last! */
        struct ieee80211_sta    sta __aligned(CACHE_LINE_SIZE);
};
#define STA_TO_LSTA(_sta)       container_of(_sta, struct lkpi_sta, sta)
#define LSTA_TO_STA(_lsta)      (&(_lsta)->sta)

/* Either protected by wiphy lock or rcu for the list. */
struct lkpi_vif {
        TAILQ_ENTRY(lkpi_vif)   lvif_entry;
        struct ieee80211vap     iv_vap;
        eventhandler_tag        lvif_ifllevent;

        struct sysctl_ctx_list  sysctl_ctx;

        struct mtx              mtx;
        struct wireless_dev     wdev;

        /* Other local stuff. */
        int                     (*iv_newstate)(struct ieee80211vap *,
                                    enum ieee80211_state, int);
        struct ieee80211_node * (*iv_update_bss)(struct ieee80211vap *,
                                    struct ieee80211_node *);
        void                    (*iv_recv_mgmt)(struct ieee80211_node *,
                                    struct mbuf *, int,
                                    const struct ieee80211_rx_stats *,
                                    int, int);
        struct task             sw_scan_task;

        struct list_head        lsta_list;

        struct lkpi_sta         *lvif_bss;

        struct ieee80211_node   *key_update_iv_bss;
        int                     ic_unlocked;                    /* Count of ic unlocks pending (*mo_set_key) */
        int                     nt_unlocked;                    /* Count of nt unlocks pending (*mo_set_key) */
        int                     beacons;                        /* # of beacons since assoc */
        bool                    lvif_bss_synched;
        bool                    added_to_drv;                   /* Driver knows; i.e. we called add_interface(). */

        bool                    hw_queue_stopped[IEEE80211_NUM_ACS];

        /* Must be last! */
        struct ieee80211_vif    vif __aligned(CACHE_LINE_SIZE);
};
#define VAP_TO_LVIF(_vap)       container_of(_vap, struct lkpi_vif, iv_vap)
#define LVIF_TO_VAP(_lvif)      (&(_lvif)->iv_vap)
#define VIF_TO_LVIF(_vif)       container_of(_vif, struct lkpi_vif, vif)
#define LVIF_TO_VIF(_lvif)      (&(_lvif)->vif)


struct lkpi_hw {        /* name it mac80211_sc? */
        const struct ieee80211_ops      *ops;
        struct ieee80211_scan_request   *hw_req;
        struct workqueue_struct         *workq;

        /* FreeBSD specific compat. */
        /* Linux device is in hw.wiphy->dev after SET_IEEE80211_DEV(). */
        struct ieee80211com             *ic;
        struct lkpi_radiotap_tx_hdr     rtap_tx;
        struct lkpi_radiotap_rx_hdr     rtap_rx;

        TAILQ_HEAD(, lkpi_vif)          lvif_head;
        struct sx                       lvif_sx;

        struct list_head                lchanctx_list;
        struct netdev_hw_addr_list      mc_list;
        unsigned int                    mc_flags;
        struct sx                       mc_sx;

        struct mtx                      txq_mtx;
        uint32_t                        txq_generation[IEEE80211_NUM_ACS];
        spinlock_t                      txq_scheduled_lock[IEEE80211_NUM_ACS];
        TAILQ_HEAD(, lkpi_txq)          txq_scheduled[IEEE80211_NUM_ACS];
        spinlock_t                      txq_lock;

        /* Deferred RX path. */
        struct task             rxq_task;
        struct mbufq            rxq;
        struct mtx              rxq_mtx;

        /* Scan functions we overload to handle depending on scan mode. */
        void                    (*ic_scan_curchan)(struct ieee80211_scan_state *,
                                    unsigned long);
        void                    (*ic_scan_mindwell)(struct ieee80211_scan_state *);

        /* Node functions we overload to sync state. */
        struct ieee80211_node * (*ic_node_alloc)(struct ieee80211vap *,
                                    const uint8_t [IEEE80211_ADDR_LEN]);
        int                     (*ic_node_init)(struct ieee80211_node *);
        void                    (*ic_node_cleanup)(struct ieee80211_node *);
        void                    (*ic_node_free)(struct ieee80211_node *);

        /* HT and later functions. */
        int                     (*ic_recv_action)(struct ieee80211_node *,
                                    const struct ieee80211_frame *,
                                    const uint8_t *, const uint8_t *);
        int                     (*ic_send_action)(struct ieee80211_node *,
                                    int, int, void *);
        int                     (*ic_ampdu_enable)(struct ieee80211_node *,
                                    struct ieee80211_tx_ampdu *);
        int                     (*ic_addba_request)(struct ieee80211_node *,
                                    struct ieee80211_tx_ampdu *, int, int, int);
        int                     (*ic_addba_response)(struct ieee80211_node *,
                                    struct ieee80211_tx_ampdu *, int, int, int);
        void                    (*ic_addba_stop)(struct ieee80211_node *,
                                    struct ieee80211_tx_ampdu *);
        void                    (*ic_addba_response_timeout)(struct ieee80211_node *,
                                    struct ieee80211_tx_ampdu *);
        void                    (*ic_bar_response)(struct ieee80211_node *,
                                    struct ieee80211_tx_ampdu *, int);
        int                     (*ic_ampdu_rx_start)(struct ieee80211_node *,
                                    struct ieee80211_rx_ampdu *, int, int, int);
        void                    (*ic_ampdu_rx_stop)(struct ieee80211_node *,
                                    struct ieee80211_rx_ampdu *);

#define LKPI_MAC80211_DRV_STARTED       0x00000001
        uint32_t                        sc_flags;
#define LKPI_LHW_SCAN_RUNNING           0x00000001
#define LKPI_LHW_SCAN_HW                0x00000002
        uint32_t                        scan_flags;
        struct mtx                      scan_mtx;

        int                             supbands;       /* Number of supported bands. */
        int                             max_rates;      /* Maximum number of bitrates supported in any channel. */
        int                             scan_ie_len;    /* Length of common per-band scan IEs. */

        bool                            mc_all_multi;
        bool                            update_wme;
        bool                            rxq_stopped;

        /* Must be last! */
        struct ieee80211_hw             hw __aligned(CACHE_LINE_SIZE);
};
#define LHW_TO_HW(_lhw)         (&(_lhw)->hw)
#define HW_TO_LHW(_hw)          container_of(_hw, struct lkpi_hw, hw)

#define LKPI_LHW_SCAN_BITS                              \
    "\010\1RUNING\2HW"

struct lkpi_chanctx {
        struct list_head                entry;

        bool                            added_to_drv;   /* Managed by MO */

        struct ieee80211_chanctx_conf   chanctx_conf __aligned(CACHE_LINE_SIZE);
};
#define LCHANCTX_TO_CHANCTX_CONF(_lchanctx)             \
    (&(_lchanctx)->chanctx_conf)
#define CHANCTX_CONF_TO_LCHANCTX(_conf)                 \
    container_of(_conf, struct lkpi_chanctx, chanctx_conf)

struct lkpi_wiphy {
        const struct cfg80211_ops       *ops;

        struct work_struct              wwk;
        struct list_head                wwk_list;
        struct mtx                      wwk_mtx;

        /* Must be last! */
        struct wiphy                    wiphy __aligned(CACHE_LINE_SIZE);
};
#define WIPHY_TO_LWIPHY(_wiphy) container_of(_wiphy, struct lkpi_wiphy, wiphy)
#define LWIPHY_TO_WIPHY(_lwiphy)        (&(_lwiphy)->wiphy)

#define LKPI_80211_LWIPHY_WORK_LOCK_INIT(_lwiphy)       \
    mtx_init(&(_lwiphy)->wwk_mtx, "lwiphy-work", NULL, MTX_DEF);
#define LKPI_80211_LWIPHY_WORK_LOCK_DESTROY(_lwiphy)    \
    mtx_destroy(&(_lwiphy)->wwk_mtx)
#define LKPI_80211_LWIPHY_WORK_LOCK(_lwiphy)            \
    mtx_lock(&(_lwiphy)->wwk_mtx)
#define LKPI_80211_LWIPHY_WORK_UNLOCK(_lwiphy)          \
    mtx_unlock(&(_lwiphy)->wwk_mtx)
#define LKPI_80211_LWIPHY_WORK_LOCK_ASSERT(_lwiphy)     \
    mtx_assert(&(_lwiphy)->wwk_mtx, MA_OWNED)
#define LKPI_80211_LWIPHY_WORK_UNLOCK_ASSERT(_lwiphy)   \
    mtx_assert(&(_lwiphy)->wwk_mtx, MA_NOTOWNED)

#define LKPI_80211_LHW_SCAN_LOCK_INIT(_lhw)             \
    mtx_init(&(_lhw)->scan_mtx, "lhw-scan", NULL, MTX_DEF | MTX_RECURSE);
#define LKPI_80211_LHW_SCAN_LOCK_DESTROY(_lhw)          \
    mtx_destroy(&(_lhw)->scan_mtx);
#define LKPI_80211_LHW_SCAN_LOCK(_lhw)                  \
    mtx_lock(&(_lhw)->scan_mtx)
#define LKPI_80211_LHW_SCAN_UNLOCK(_lhw)                \
    mtx_unlock(&(_lhw)->scan_mtx)
#define LKPI_80211_LHW_SCAN_LOCK_ASSERT(_lhw)           \
    mtx_assert(&(_lhw)->scan_mtx, MA_OWNED)
#define LKPI_80211_LHW_SCAN_UNLOCK_ASSERT(_lhw)         \
    mtx_assert(&(_lhw)->scan_mtx, MA_NOTOWNED)

#define LKPI_80211_LHW_TXQ_LOCK_INIT(_lhw)              \
    mtx_init(&(_lhw)->txq_mtx, "lhw-txq", NULL, MTX_DEF | MTX_RECURSE);
#define LKPI_80211_LHW_TXQ_LOCK_DESTROY(_lhw)           \
    mtx_destroy(&(_lhw)->txq_mtx);
#define LKPI_80211_LHW_TXQ_LOCK(_lhw)                   \
    mtx_lock(&(_lhw)->txq_mtx)
#define LKPI_80211_LHW_TXQ_UNLOCK(_lhw)                 \
    mtx_unlock(&(_lhw)->txq_mtx)
#define LKPI_80211_LHW_TXQ_LOCK_ASSERT(_lhw)            \
    mtx_assert(&(_lhw)->txq_mtx, MA_OWNED)
#define LKPI_80211_LHW_TXQ_UNLOCK_ASSERT(_lhw)          \
    mtx_assert(&(_lhw)->txq_mtx, MA_NOTOWNED)

#define LKPI_80211_LHW_RXQ_LOCK_INIT(_lhw)              \
    mtx_init(&(_lhw)->rxq_mtx, "lhw-rxq", NULL, MTX_DEF | MTX_RECURSE);
#define LKPI_80211_LHW_RXQ_LOCK_DESTROY(_lhw)           \
    mtx_destroy(&(_lhw)->rxq_mtx);
#define LKPI_80211_LHW_RXQ_LOCK(_lhw)                   \
    mtx_lock(&(_lhw)->rxq_mtx)
#define LKPI_80211_LHW_RXQ_UNLOCK(_lhw)                 \
    mtx_unlock(&(_lhw)->rxq_mtx)
#define LKPI_80211_LHW_RXQ_LOCK_ASSERT(_lhw)            \
    mtx_assert(&(_lhw)->rxq_mtx, MA_OWNED)
#define LKPI_80211_LHW_RXQ_UNLOCK_ASSERT(_lhw)          \
    mtx_assert(&(_lhw)->rxq_mtx, MA_NOTOWNED)

#define LKPI_80211_LHW_LVIF_LOCK(_lhw)  sx_xlock(&(_lhw)->lvif_sx)
#define LKPI_80211_LHW_LVIF_UNLOCK(_lhw) sx_xunlock(&(_lhw)->lvif_sx)

#define LKPI_80211_LHW_MC_LOCK_INIT(_lhw)               \
    sx_init_flags(&lhw->mc_sx, "lhw-mc", 0);
#define LKPI_80211_LHW_MC_LOCK_DESTROY(_lhw)            \
    sx_destroy(&lhw->mc_sx);
#define LKPI_80211_LHW_MC_LOCK(_lhw)    sx_xlock(&(_lhw)->mc_sx)
#define LKPI_80211_LHW_MC_UNLOCK(_lhw)  sx_xunlock(&(_lhw)->mc_sx)

#define LKPI_80211_LVIF_LOCK(_lvif)     mtx_lock(&(_lvif)->mtx)
#define LKPI_80211_LVIF_UNLOCK(_lvif)   mtx_unlock(&(_lvif)->mtx)

#define LKPI_80211_LSTA_TXQ_LOCK_INIT(_lsta)            \
    mtx_init(&(_lsta)->txq_mtx, "lsta-txq", NULL, MTX_DEF);
#define LKPI_80211_LSTA_TXQ_LOCK_DESTROY(_lsta)         \
    mtx_destroy(&(_lsta)->txq_mtx);
#define LKPI_80211_LSTA_TXQ_LOCK(_lsta)                 \
    mtx_lock(&(_lsta)->txq_mtx)
#define LKPI_80211_LSTA_TXQ_UNLOCK(_lsta)               \
    mtx_unlock(&(_lsta)->txq_mtx)
#define LKPI_80211_LSTA_TXQ_LOCK_ASSERT(_lsta)          \
    mtx_assert(&(_lsta)->txq_mtx, MA_OWNED)
#define LKPI_80211_LSTA_TXQ_UNLOCK_ASSERT(_lsta)        \
    mtx_assert(&(_lsta)->txq_mtx, MA_NOTOWNED)

#define LKPI_80211_LTXQ_LOCK_INIT(_ltxq)                \
    mtx_init(&(_ltxq)->ltxq_mtx, "ltxq", NULL, MTX_DEF);
#define LKPI_80211_LTXQ_LOCK_DESTROY(_ltxq)             \
    mtx_destroy(&(_ltxq)->ltxq_mtx);
#define LKPI_80211_LTXQ_LOCK(_ltxq)                     \
    mtx_lock(&(_ltxq)->ltxq_mtx)
#define LKPI_80211_LTXQ_UNLOCK(_ltxq)                   \
    mtx_unlock(&(_ltxq)->ltxq_mtx)
#define LKPI_80211_LTXQ_LOCK_ASSERT(_ltxq)              \
    mtx_assert(&(_ltxq)->ltxq_mtx, MA_OWNED)
#define LKPI_80211_LTXQ_UNLOCK_ASSERT(_ltxq)            \
    mtx_assert(&(_ltxq)->ltxq_mtx, MA_NOTOWNED)

int lkpi_80211_mo_start(struct ieee80211_hw *);
void lkpi_80211_mo_stop(struct ieee80211_hw *, bool);
int lkpi_80211_mo_get_antenna(struct ieee80211_hw *, u32 *, u32 *);
int lkpi_80211_mo_set_frag_threshold(struct ieee80211_hw *, uint32_t);
int lkpi_80211_mo_set_rts_threshold(struct ieee80211_hw *, uint32_t);
int lkpi_80211_mo_add_interface(struct ieee80211_hw *, struct ieee80211_vif *);
void lkpi_80211_mo_remove_interface(struct ieee80211_hw *, struct ieee80211_vif *);
int lkpi_80211_mo_hw_scan(struct ieee80211_hw *, struct ieee80211_vif *,
    struct ieee80211_scan_request *);
void lkpi_80211_mo_cancel_hw_scan(struct ieee80211_hw *, struct ieee80211_vif *);
void lkpi_80211_mo_sw_scan_complete(struct ieee80211_hw *, struct ieee80211_vif *);
void lkpi_80211_mo_sw_scan_start(struct ieee80211_hw *, struct ieee80211_vif *,
    const u8 *);
u64 lkpi_80211_mo_prepare_multicast(struct ieee80211_hw *,
    struct netdev_hw_addr_list *);
void lkpi_80211_mo_configure_filter(struct ieee80211_hw *, unsigned int,
    unsigned int *, u64);
int lkpi_80211_mo_sta_state(struct ieee80211_hw *, struct ieee80211_vif *,
    struct lkpi_sta *, enum ieee80211_sta_state);
int lkpi_80211_mo_config(struct ieee80211_hw *, uint32_t);
int lkpi_80211_mo_assign_vif_chanctx(struct ieee80211_hw *, struct ieee80211_vif *,
    struct ieee80211_bss_conf *, struct ieee80211_chanctx_conf *);
void lkpi_80211_mo_unassign_vif_chanctx(struct ieee80211_hw *, struct ieee80211_vif *,
    struct ieee80211_bss_conf *, struct ieee80211_chanctx_conf *);
int lkpi_80211_mo_add_chanctx(struct ieee80211_hw *, struct ieee80211_chanctx_conf *);
void lkpi_80211_mo_change_chanctx(struct ieee80211_hw *,
    struct ieee80211_chanctx_conf *, uint32_t);
void lkpi_80211_mo_remove_chanctx(struct ieee80211_hw *,
    struct ieee80211_chanctx_conf *);
void lkpi_80211_mo_vif_cfg_changed(struct ieee80211_hw *, struct ieee80211_vif *,
    uint64_t, bool);
void lkpi_80211_mo_link_info_changed(struct ieee80211_hw *, struct ieee80211_vif *,
    struct ieee80211_bss_conf *, uint64_t, uint8_t, bool);
void lkpi_80211_mo_bss_info_changed(struct ieee80211_hw *, struct ieee80211_vif *,
    struct ieee80211_bss_conf *, uint64_t);
int lkpi_80211_mo_conf_tx(struct ieee80211_hw *, struct ieee80211_vif *,
    uint32_t, uint16_t, const struct ieee80211_tx_queue_params *);
void lkpi_80211_mo_flush(struct ieee80211_hw *, struct ieee80211_vif *,
    uint32_t, bool);
void lkpi_80211_mo_mgd_prepare_tx(struct ieee80211_hw *, struct ieee80211_vif *,
    struct ieee80211_prep_tx_info *);
void lkpi_80211_mo_mgd_complete_tx(struct ieee80211_hw *, struct ieee80211_vif *,
    struct ieee80211_prep_tx_info *);
void lkpi_80211_mo_tx(struct ieee80211_hw *, struct ieee80211_tx_control *,
    struct sk_buff *);
void lkpi_80211_mo_wake_tx_queue(struct ieee80211_hw *, struct ieee80211_txq *,
    bool);
void lkpi_80211_mo_sync_rx_queues(struct ieee80211_hw *);
void lkpi_80211_mo_sta_pre_rcu_remove(struct ieee80211_hw *,
    struct ieee80211_vif *, struct ieee80211_sta *);
int lkpi_80211_mo_set_key(struct ieee80211_hw *, enum set_key_cmd,
    struct ieee80211_vif *, struct ieee80211_sta *,
    struct ieee80211_key_conf *);
int lkpi_80211_mo_ampdu_action(struct ieee80211_hw *, struct ieee80211_vif *,
    struct ieee80211_ampdu_params *);
int lkpi_80211_mo_sta_statistics(struct ieee80211_hw *, struct ieee80211_vif *,
    struct ieee80211_sta *, struct station_info *);

#endif  /* _LKPI_SRC_LINUX_80211_H */