/*      $OpenBSD: if_iwmvar.h,v 1.79 2025/12/01 16:30:46 stsp Exp $     */

/*
 * Copyright (c) 2014 genua mbh <info@genua.de>
 * Copyright (c) 2014 Fixup Software Ltd.
 *
 * Permission to use, copy, modify, and distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */

/*-
 * Based on BSD-licensed source modules in the Linux iwlwifi driver,
 * which were used as the reference documentation for this implementation.
 *
 * Driver version we are currently based off of is
 * Linux 3.14.3 (tag id a2df521e42b1d9a23f620ac79dbfe8655a8391dd)
 *
 ***********************************************************************
 *
 * This file is provided under a dual BSD/GPLv2 license.  When using or
 * redistributing this file, you may do so under either license.
 *
 * GPL LICENSE SUMMARY
 *
 * Copyright(c) 2007 - 2013 Intel Corporation. All rights reserved.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of version 2 of the GNU General Public License as
 * published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
 * USA
 *
 * The full GNU General Public License is included in this distribution
 * in the file called COPYING.
 *
 * Contact Information:
 *  Intel Linux Wireless <ilw@linux.intel.com>
 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
 *
 *
 * BSD LICENSE
 *
 * Copyright(c) 2005 - 2013 Intel Corporation. All rights reserved.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 *  * Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *  * 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.
 *  * Neither the name Intel Corporation nor the names of its
 *    contributors may be used to endorse or promote products derived
 *    from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 COPYRIGHT
 * OWNER 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.
 */

/*-
 * Copyright (c) 2007-2010 Damien Bergamini <damien.bergamini@free.fr>
 *
 * Permission to use, copy, modify, and distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */

struct iwm_rx_radiotap_header {
        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;

#define IWM_RX_RADIOTAP_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 iwm_tx_radiotap_header {
        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 IWM_TX_RADIOTAP_PRESENT                                         \
        ((1 << IEEE80211_RADIOTAP_FLAGS) |                              \
         (1 << IEEE80211_RADIOTAP_RATE) |                               \
         (1 << IEEE80211_RADIOTAP_CHANNEL))

#define IWM_UCODE_SECT_MAX 16
#define IWM_FWDMASEGSZ (192*1024)
#define IWM_FWDMASEGSZ_8000 (320*1024)
/* sanity check value */
#define IWM_FWMAXSIZE (2*1024*1024)

/*
 * fw_status is used to determine if we've already parsed the firmware file
 *
 * In addition to the following, status < 0 ==> -error
 */
#define IWM_FW_STATUS_NONE              0
#define IWM_FW_STATUS_INPROGRESS        1
#define IWM_FW_STATUS_DONE              2

enum iwm_ucode_type {
        IWM_UCODE_TYPE_REGULAR,
        IWM_UCODE_TYPE_INIT,
        IWM_UCODE_TYPE_WOW,
        IWM_UCODE_TYPE_REGULAR_USNIFFER,
        IWM_UCODE_TYPE_MAX
};

struct iwm_fw_info {
        void *fw_rawdata;
        size_t fw_rawsize;
        int fw_status;

        struct iwm_fw_sects {
                struct iwm_fw_onesect {
                        void *fws_data;
                        uint32_t fws_len;
                        uint32_t fws_devoff;
                } fw_sect[IWM_UCODE_SECT_MAX];
                size_t fw_totlen;
                int fw_count;
                uint32_t paging_mem_size;
        } fw_sects[IWM_UCODE_TYPE_MAX];
};

struct iwm_nvm_data {
        int n_hw_addrs;
        uint8_t hw_addr[ETHER_ADDR_LEN];

        uint8_t calib_version;
        uint16_t calib_voltage;

        uint16_t raw_temperature;
        uint16_t kelvin_temperature;
        uint16_t kelvin_voltage;
        uint16_t xtal_calib[2];

        int sku_cap_band_24GHz_enable;
        int sku_cap_band_52GHz_enable;
        int sku_cap_11n_enable;
        int sku_cap_11ac_enable;
        int sku_cap_amt_enable;
        int sku_cap_ipan_enable;
        int sku_cap_mimo_disable;

        uint8_t radio_cfg_type;
        uint8_t radio_cfg_step;
        uint8_t radio_cfg_dash;
        uint8_t radio_cfg_pnum;
        uint8_t valid_tx_ant, valid_rx_ant;

        uint16_t nvm_version;
        uint8_t max_tx_pwr_half_dbm;

        int lar_enabled;
};

/* max bufs per tfd the driver will use */
#define IWM_MAX_CMD_TBS_PER_TFD 2

struct iwm_host_cmd {
        const void *data[IWM_MAX_CMD_TBS_PER_TFD];
        struct iwm_rx_packet *resp_pkt;
        size_t resp_pkt_len;
        unsigned long _rx_page_addr;
        uint32_t _rx_page_order;
        int handler_status;

        uint32_t flags;
        uint16_t len[IWM_MAX_CMD_TBS_PER_TFD];
        uint8_t dataflags[IWM_MAX_CMD_TBS_PER_TFD];
        uint32_t id;
};

/*
 * DMA glue is from iwn
 */

struct iwm_dma_info {
        bus_dma_tag_t           tag;
        bus_dmamap_t            map;
        bus_dma_segment_t       seg;
        bus_addr_t              paddr;
        void                    *vaddr;
        bus_size_t              size;
};

/**
 * struct iwm_fw_paging
 * @fw_paging_block: dma memory info
 * @fw_paging_size: page size
 */
struct iwm_fw_paging {
        struct iwm_dma_info fw_paging_block;
        uint32_t fw_paging_size;
};

#define IWM_TX_RING_COUNT       256
#define IWM_TX_RING_LOMARK      192
#define IWM_TX_RING_HIMARK      224

/* For aggregation queues, index must be aligned to frame sequence number. */
#define IWM_AGG_SSN_TO_TXQ_IDX(x)       ((x) & (IWM_TX_RING_COUNT - 1))

struct iwm_tx_data {
        bus_dmamap_t    map;
        bus_addr_t      cmd_paddr;
        bus_addr_t      scratch_paddr;
        struct mbuf     *m;
        struct iwm_node *in;
        int txmcs;
        int txrate;

        /* A-MPDU subframes */
        int ampdu_txmcs;
        int ampdu_txnss;
        int ampdu_nframes;
};

struct iwm_tx_ring {
        struct iwm_dma_info     desc_dma;
        struct iwm_dma_info     cmd_dma;
        struct iwm_tfd          *desc;
        struct iwm_device_cmd   *cmd;
        struct iwm_tx_data      data[IWM_TX_RING_COUNT];
        int                     qid;
        int                     queued;
        int                     cur;
        int                     tail;
};

#define IWM_RX_MQ_RING_COUNT    512
#define IWM_RX_RING_COUNT       256
/* Linux driver optionally uses 8k buffer */
#define IWM_RBUF_SIZE           4096

struct iwm_rx_data {
        struct mbuf     *m;
        bus_dmamap_t    map;
};

struct iwm_rx_ring {
        struct iwm_dma_info     free_desc_dma;
        struct iwm_dma_info     stat_dma;
        struct iwm_dma_info     used_desc_dma;
        void                    *desc;
        struct iwm_rb_status    *stat;
        struct iwm_rx_data      data[IWM_RX_MQ_RING_COUNT];
        int                     cur;
};

#define IWM_FLAG_USE_ICT        0x01    /* using Interrupt Cause Table */
#define IWM_FLAG_RFKILL         0x02    /* radio kill switch is set */
#define IWM_FLAG_SCANNING       0x04    /* scan in progress */
#define IWM_FLAG_MAC_ACTIVE     0x08    /* MAC context added to firmware */
#define IWM_FLAG_BINDING_ACTIVE 0x10    /* MAC->PHY binding added to firmware */
#define IWM_FLAG_STA_ACTIVE     0x20    /* AP added to firmware station table */
#define IWM_FLAG_TE_ACTIVE      0x40    /* time event is scheduled */
#define IWM_FLAG_HW_ERR         0x80    /* hardware error occurred */
#define IWM_FLAG_SHUTDOWN       0x100   /* shutting down; new tasks forbidden */
#define IWM_FLAG_BGSCAN         0x200   /* background scan in progress */
#define IWM_FLAG_TXFLUSH        0x400   /* Tx queue flushing in progress */

struct iwm_ucode_status {
        uint32_t uc_error_event_table;
        uint32_t uc_umac_error_event_table;
        uint32_t uc_log_event_table;

        int uc_ok;
        int uc_intr;
};

#define IWM_CMD_RESP_MAX PAGE_SIZE

/* lower blocks contain EEPROM image and calibration data */
#define IWM_OTP_LOW_IMAGE_SIZE_FAMILY_7000      16384
#define IWM_OTP_LOW_IMAGE_SIZE_FAMILY_8000      32768

#define IWM_TE_SESSION_PROTECTION_MAX_TIME_MS 1000
#define IWM_TE_SESSION_PROTECTION_MIN_TIME_MS 400

enum IWM_CMD_MODE {
        IWM_CMD_ASYNC           = (1 << 0),
        IWM_CMD_WANT_RESP       = (1 << 1),
        IWM_CMD_SEND_IN_RFKILL  = (1 << 2),
};
enum iwm_hcmd_dataflag {
        IWM_HCMD_DFL_NOCOPY     = (1 << 0),
        IWM_HCMD_DFL_DUP        = (1 << 1),
};

#define IWM_NUM_PAPD_CH_GROUPS  9
#define IWM_NUM_TXP_CH_GROUPS   9

struct iwm_phy_db_entry {
        uint16_t size;
        uint8_t *data;
};

struct iwm_phy_db {
        struct iwm_phy_db_entry cfg;
        struct iwm_phy_db_entry calib_nch;
        struct iwm_phy_db_entry calib_ch_group_papd[IWM_NUM_PAPD_CH_GROUPS];
        struct iwm_phy_db_entry calib_ch_group_txp[IWM_NUM_TXP_CH_GROUPS];
};

struct iwm_phy_ctxt {
        uint16_t id;
        uint16_t color;
        uint32_t ref;
        struct ieee80211_channel *channel;
        uint8_t sco; /* 40 MHz secondary channel offset */
        uint8_t vht_chan_width;
};

struct iwm_bf_data {
        int bf_enabled;         /* filtering    */
        int ba_enabled;         /* abort        */
        int ave_beacon_signal;
        int last_cqm_event;
};

/**
 * struct iwm_reorder_buffer - per ra/tid/queue reorder buffer
 * @head_sn: reorder window head sn
 * @num_stored: number of mpdus stored in the buffer
 * @buf_size: the reorder buffer size as set by the last addba request
 * @queue: queue of this reorder buffer
 * @last_amsdu: track last ASMDU SN for duplication detection
 * @last_sub_index: track ASMDU sub frame index for duplication detection
 * @reorder_timer: timer for frames are in the reorder buffer. For AMSDU
 *      it is the time of last received sub-frame
 * @removed: prevent timer re-arming
 * @valid: reordering is valid for this queue
 * @consec_oldsn_drops: consecutive drops due to old SN
 * @consec_oldsn_ampdu_gp2: A-MPDU GP2 timestamp to track
 *      when to apply old SN consecutive drop workaround
 * @consec_oldsn_prev_drop: track whether or not an MPDU
 *      that was single/part of the previous A-MPDU was
 *      dropped due to old SN
 */
struct iwm_reorder_buffer {
        uint16_t head_sn;
        uint16_t num_stored;
        uint16_t buf_size;
        uint16_t last_amsdu;
        uint8_t last_sub_index;
        struct timeout reorder_timer;
        int removed;
        int valid;
        unsigned int consec_oldsn_drops;
        uint32_t consec_oldsn_ampdu_gp2;
        unsigned int consec_oldsn_prev_drop;
#define IWM_AMPDU_CONSEC_DROPS_DELBA    10
};

/**
 * struct iwm_reorder_buf_entry - reorder buffer entry per frame sequence number
 * @frames: list of mbufs stored (A-MSDU subframes share a sequence number)
 * @reorder_time: time the packet was stored in the reorder buffer
 */
struct iwm_reorder_buf_entry {
        struct mbuf_list frames;
        struct timeval reorder_time;
        uint32_t rx_pkt_status;
        int chanidx;
        int is_shortpre;
        uint32_t rate_n_flags;
        uint32_t device_timestamp;
        struct ieee80211_rxinfo rxi;
};

/**
 * struct iwm_rxba_data - BA session data
 * @sta_id: station id
 * @tid: tid of the session
 * @baid: baid of the session
 * @timeout: the timeout set in the addba request
 * @entries_per_queue: # of buffers per queue
 * @last_rx: last rx timestamp, updated only if timeout passed from last update
 * @session_timer: timer to check if BA session expired, runs at 2 * timeout
 * @sc: softc pointer, needed for timer context
 * @reorder_buf: reorder buffer
 * @reorder_buf_data: buffered frames, one entry per sequence number
 */
struct iwm_rxba_data {
        uint8_t sta_id;
        uint8_t tid;
        uint8_t baid;
        uint16_t timeout;
        uint16_t entries_per_queue;
        struct timeval last_rx;
        struct timeout session_timer;
        struct iwm_softc *sc;
        struct iwm_reorder_buffer reorder_buf;
        struct iwm_reorder_buf_entry entries[IEEE80211_BA_MAX_WINSZ];
};

static inline struct iwm_rxba_data *
iwm_rxba_data_from_reorder_buf(struct iwm_reorder_buffer *buf)
{
        return (void *)((uint8_t *)buf -
                        offsetof(struct iwm_rxba_data, reorder_buf));
}

/**
 * struct iwm_rxq_dup_data - per station per rx queue data
 * @last_seq: last sequence per tid for duplicate packet detection
 * @last_sub_frame: last subframe packet
 */
struct iwm_rxq_dup_data {
        uint16_t last_seq[IWM_MAX_TID_COUNT + 1];
        uint8_t last_sub_frame[IWM_MAX_TID_COUNT + 1];
};

struct iwm_ba_task_data {
        uint32_t                start_tidmask;
        uint32_t                stop_tidmask;
};

struct iwm_softc {
#ifdef __FreeBSD_version
        device_t sc_dev;
#else
        struct device sc_dev;
#endif
        struct ieee80211com sc_ic;
        int (*sc_newstate)(struct ieee80211com *, enum ieee80211_state, int);
        int sc_newstate_pending;
        int attached;

        struct ieee80211_amrr sc_amrr;
        struct timeout sc_calib_to;
        struct timeout sc_led_blink_to;

        struct task             init_task; /* NB: not reference-counted */
        struct refcnt           task_refs;
        struct task             newstate_task;
        enum ieee80211_state    ns_nstate;
        int                     ns_arg;

        int                     deauth_sent;

        /* Task for firmware BlockAck setup/teardown and its arguments. */
        struct task             ba_task;
        struct iwm_ba_task_data ba_rx;
        struct iwm_ba_task_data ba_tx;

        /* Task for ERP/HT prot/slot-time/EDCA updates. */
        struct task             mac_ctxt_task;

        /* Task for HT 20/40 MHz channel width updates. */
        struct task             phy_ctxt_task;

        bus_space_tag_t sc_st;
        bus_space_handle_t sc_sh;
        bus_size_t sc_sz;
        bus_dma_tag_t sc_dmat;
#ifndef __FreeBSD_version
        pci_chipset_tag_t sc_pct;
        pcitag_t sc_pcitag;
#endif
        const void *sc_ih;
        int sc_msix;

        /* TX scheduler rings. */
        struct iwm_dma_info             sched_dma;
        uint32_t                        sched_base;

        /* TX/RX rings. */
        struct iwm_tx_ring txq[IWM_MAX_QUEUES];
        struct iwm_rx_ring rxq;
        int qfullmsk;
        int qenablemsk;
        int cmdqid;

        int sc_sf_state;

        /* ICT table. */
        struct iwm_dma_info     ict_dma;
        int                     ict_cur;

        int sc_hw_rev;
#define IWM_SILICON_A_STEP      0
#define IWM_SILICON_B_STEP      1
#define IWM_SILICON_C_STEP      2
#define IWM_SILICON_D_STEP      3
        int sc_hw_id;
        int sc_device_family;
#define IWM_DEVICE_FAMILY_7000  1
#define IWM_DEVICE_FAMILY_8000  2
#define IWM_DEVICE_FAMILY_9000  3

        struct iwm_dma_info kw_dma;
        struct iwm_dma_info fw_dma;

        int sc_fw_chunk_done;
        int sc_init_complete;
#define IWM_INIT_COMPLETE       0x01
#define IWM_CALIB_COMPLETE      0x02

        struct iwm_ucode_status sc_uc;
        enum iwm_ucode_type sc_uc_current;
        char sc_fwver[32];

        int sc_capaflags;
        int sc_capa_max_probe_len;
        int sc_capa_n_scan_channels;
        uint8_t sc_ucode_api[howmany(IWM_NUM_UCODE_TLV_API, NBBY)];
        uint8_t sc_enabled_capa[howmany(IWM_NUM_UCODE_TLV_CAPA, NBBY)];
#define IWM_MAX_FW_CMD_VERSIONS 64
        struct iwm_fw_cmd_version cmd_versions[IWM_MAX_FW_CMD_VERSIONS];
        int n_cmd_versions;

        int sc_intmask;
        int sc_flags;

        uint32_t sc_fh_init_mask;
        uint32_t sc_hw_init_mask;
        uint32_t sc_fh_mask;
        uint32_t sc_hw_mask;

        /*
         * So why do we need a separate stopped flag and a generation?
         * the former protects the device from issuing commands when it's
         * stopped (duh).  The latter protects against race from a very
         * fast stop/unstop cycle where threads waiting for responses do
         * not have a chance to run in between.  Notably: we want to stop
         * the device from interrupt context when it craps out, so we
         * don't have the luxury of waiting for quiescence.
         */
        int sc_generation;

        struct rwlock ioctl_rwl;

        int sc_cap_off; /* PCIe caps */

        const char *sc_fwname;
        bus_size_t sc_fwdmasegsz;
        size_t sc_nvm_max_section_size;
        struct iwm_fw_info sc_fw;
        uint32_t sc_fw_phy_config;
        uint32_t sc_extra_phy_config;
        struct iwm_tlv_calib_ctrl sc_default_calib[IWM_UCODE_TYPE_MAX];

        struct iwm_nvm_data sc_nvm;
        struct iwm_phy_db sc_phy_db;

        struct iwm_bf_data sc_bf;

        int sc_tx_timer[IWM_MAX_QUEUES];
        int sc_rx_ba_sessions;
        int tx_ba_queue_mask;

        struct task bgscan_done_task;
        struct ieee80211_node_switch_bss_arg *bgscan_unref_arg;
        size_t  bgscan_unref_arg_size;

        int sc_scan_last_antenna;

        int sc_fixed_ridx;

        int sc_staid;
        int sc_nodecolor;

        uint8_t *sc_cmd_resp_pkt[IWM_TX_RING_COUNT];
        size_t sc_cmd_resp_len[IWM_TX_RING_COUNT];
        int sc_nic_locks;

        struct taskq *sc_nswq;

        struct iwm_rx_phy_info sc_last_phy_info;
        int sc_ampdu_ref;
#define IWM_MAX_BAID    32
        struct iwm_rxba_data sc_rxba_data[IWM_MAX_BAID];

        uint32_t sc_time_event_uid;

        /* phy contexts.  we only use the first one */
        struct iwm_phy_ctxt sc_phyctxt[IWM_NUM_PHY_CTX];

        struct iwm_notif_statistics sc_stats;
        int sc_noise;

        int host_interrupt_operation_mode;
        int sc_ltr_enabled;
        enum iwm_nvm_type nvm_type;

        int sc_mqrx_supported;
        int sc_integrated;
        int sc_ltr_delay;
        int sc_xtal_latency;
        int sc_low_latency_xtal;

        /*
         * Paging parameters - All of the parameters should be set by the
         * opmode when paging is enabled
         */
        struct iwm_fw_paging fw_paging_db[IWM_NUM_OF_FW_PAGING_BLOCKS];
        uint16_t num_of_paging_blk;
        uint16_t num_of_pages_in_last_blk;

#if NBPFILTER > 0
        caddr_t                 sc_drvbpf;

        union {
                struct iwm_rx_radiotap_header th;
                uint8_t pad[IEEE80211_RADIOTAP_HDRLEN];
        } sc_rxtapu;
#define sc_rxtap        sc_rxtapu.th
        int                     sc_rxtap_len;

        union {
                struct iwm_tx_radiotap_header th;
                uint8_t pad[IEEE80211_RADIOTAP_HDRLEN];
        } sc_txtapu;
#define sc_txtap        sc_txtapu.th
        int                     sc_txtap_len;
#endif
};

struct iwm_node {
        struct ieee80211_node in_ni;
        struct iwm_phy_ctxt *in_phyctxt;
        uint8_t in_macaddr[ETHER_ADDR_LEN];

        uint16_t in_id;
        uint16_t in_color;

        struct ieee80211_amrr_node in_amn;
        struct ieee80211_ra_node in_rn;
        struct ieee80211_ra_vht_node in_rn_vht;
        int lq_rate_mismatch;

        struct iwm_rxq_dup_data dup_data;

        /* For use with the ADD_STA command. */
        uint32_t tfd_queue_msk;
        uint16_t tid_disable_ampdu;
};
#define IWM_STATION_ID 0
#define IWM_AUX_STA_ID 1
#define IWM_MONITOR_STA_ID 2

#define IWM_ICT_SIZE            4096
#define IWM_ICT_COUNT           (IWM_ICT_SIZE / sizeof (uint32_t))
#define IWM_ICT_PADDR_SHIFT     12