FreeBSD/Linux Kernel Cross Reference
sys/contrib/dev/iwlwifi/fw/api/scan.h

     /* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
     /*
      * Copyright (C) 2012-2014, 2018-2021 Intel Corporation
      * Copyright (C) 2013-2015 Intel Mobile Communications GmbH
      * Copyright (C) 2016-2017 Intel Deutschland GmbH
      */
     #ifndef __iwl_fw_api_scan_h__
     #define __iwl_fw_api_scan_h__
     
    /* Scan Commands, Responses, Notifications */
    
    /* Max number of IEs for direct SSID scans in a command */
    #define PROBE_OPTION_MAX                20
    
    #define SCAN_SHORT_SSID_MAX_SIZE        8
    #define SCAN_BSSID_MAX_SIZE             16
    
    /**
     * struct iwl_ssid_ie - directed scan network information element
     *
     * Up to 20 of these may appear in REPLY_SCAN_CMD,
     * selected by "type" bit field in struct iwl_scan_channel;
     * each channel may select different ssids from among the 20 entries.
     * SSID IEs get transmitted in reverse order of entry.
     *
     * @id: element ID
     * @len: element length
     * @ssid: element (SSID) data
     */
    struct iwl_ssid_ie {
            u8 id;
            u8 len;
            u8 ssid[IEEE80211_MAX_SSID_LEN];
    } __packed; /* SCAN_DIRECT_SSID_IE_API_S_VER_1 */
    
    /* scan offload */
    #define IWL_SCAN_MAX_BLACKLIST_LEN      64
    #define IWL_SCAN_SHORT_BLACKLIST_LEN    16
    #define IWL_SCAN_MAX_PROFILES           11
    #define IWL_SCAN_MAX_PROFILES_V2        8
    #define SCAN_OFFLOAD_PROBE_REQ_SIZE     512
    #define SCAN_NUM_BAND_PROBE_DATA_V_1    2
    #define SCAN_NUM_BAND_PROBE_DATA_V_2    3
    
    /* Default watchdog (in MS) for scheduled scan iteration */
    #define IWL_SCHED_SCAN_WATCHDOG cpu_to_le16(15000)
    
    #define IWL_GOOD_CRC_TH_DEFAULT cpu_to_le16(1)
    #define CAN_ABORT_STATUS 1
    
    #define IWL_FULL_SCAN_MULTIPLIER 5
    #define IWL_FAST_SCHED_SCAN_ITERATIONS 3
    #define IWL_MAX_SCHED_SCAN_PLANS 2
    
    enum scan_framework_client {
            SCAN_CLIENT_SCHED_SCAN          = BIT(0),
            SCAN_CLIENT_NETDETECT           = BIT(1),
            SCAN_CLIENT_ASSET_TRACKING      = BIT(2),
    };
    
    /**
     * struct iwl_scan_offload_blocklist - SCAN_OFFLOAD_BLACKLIST_S
     * @ssid:               MAC address to filter out
     * @reported_rssi:      AP rssi reported to the host
     * @client_bitmap: clients ignore this entry  - enum scan_framework_client
     */
    struct iwl_scan_offload_blocklist {
            u8 ssid[ETH_ALEN];
            u8 reported_rssi;
            u8 client_bitmap;
    } __packed;
    
    enum iwl_scan_offload_network_type {
            IWL_NETWORK_TYPE_BSS    = 1,
            IWL_NETWORK_TYPE_IBSS   = 2,
            IWL_NETWORK_TYPE_ANY    = 3,
    };
    
    enum iwl_scan_offload_band_selection {
            IWL_SCAN_OFFLOAD_SELECT_2_4     = 0x4,
            IWL_SCAN_OFFLOAD_SELECT_5_2     = 0x8,
            IWL_SCAN_OFFLOAD_SELECT_ANY     = 0xc,
    };
    
    enum iwl_scan_offload_auth_alg {
            IWL_AUTH_ALGO_UNSUPPORTED  = 0x00,
            IWL_AUTH_ALGO_NONE         = 0x01,
            IWL_AUTH_ALGO_PSK          = 0x02,
            IWL_AUTH_ALGO_8021X        = 0x04,
            IWL_AUTH_ALGO_SAE          = 0x08,
            IWL_AUTH_ALGO_8021X_SHA384 = 0x10,
            IWL_AUTH_ALGO_OWE          = 0x20,
    };
    
    /**
     * struct iwl_scan_offload_profile - SCAN_OFFLOAD_PROFILE_S
     * @ssid_index:         index to ssid list in fixed part
     * @unicast_cipher:     encryption algorithm to match - bitmap
     * @auth_alg:           authentication algorithm to match - bitmap
    * @network_type:       enum iwl_scan_offload_network_type
    * @band_selection:     enum iwl_scan_offload_band_selection
    * @client_bitmap:      clients waiting for match - enum scan_framework_client
    * @reserved:           reserved
    */
   struct iwl_scan_offload_profile {
           u8 ssid_index;
           u8 unicast_cipher;
           u8 auth_alg;
           u8 network_type;
           u8 band_selection;
           u8 client_bitmap;
           u8 reserved[2];
   } __packed;
   
   /**
    * struct iwl_scan_offload_profile_cfg_data
    * @blocklist_len:      length of blocklist
    * @num_profiles:       num of profiles in the list
    * @match_notify:       clients waiting for match found notification
    * @pass_match:         clients waiting for the results
    * @active_clients:     active clients bitmap - enum scan_framework_client
    * @any_beacon_notify:  clients waiting for match notification without match
    * @reserved:           reserved
    */
   struct iwl_scan_offload_profile_cfg_data {
           u8 blocklist_len;
           u8 num_profiles;
           u8 match_notify;
           u8 pass_match;
           u8 active_clients;
           u8 any_beacon_notify;
           u8 reserved[2];
   } __packed;
   
   /**
    * struct iwl_scan_offload_profile_cfg
    * @profiles:   profiles to search for match
    * @data:       the rest of the data for profile_cfg
    */
   struct iwl_scan_offload_profile_cfg_v1 {
           struct iwl_scan_offload_profile profiles[IWL_SCAN_MAX_PROFILES];
           struct iwl_scan_offload_profile_cfg_data data;
   } __packed; /* SCAN_OFFLOAD_PROFILES_CFG_API_S_VER_1-2*/
   
   /**
    * struct iwl_scan_offload_profile_cfg
    * @profiles:   profiles to search for match
    * @data:       the rest of the data for profile_cfg
    */
   struct iwl_scan_offload_profile_cfg {
           struct iwl_scan_offload_profile profiles[IWL_SCAN_MAX_PROFILES_V2];
           struct iwl_scan_offload_profile_cfg_data data;
   } __packed; /* SCAN_OFFLOAD_PROFILES_CFG_API_S_VER_3*/
   
   /**
    * struct iwl_scan_schedule_lmac - schedule of scan offload
    * @delay:              delay between iterations, in seconds.
    * @iterations:         num of scan iterations
    * @full_scan_mul:      number of partial scans before each full scan
    */
   struct iwl_scan_schedule_lmac {
           __le16 delay;
           u8 iterations;
           u8 full_scan_mul;
   } __packed; /* SCAN_SCHEDULE_API_S */
   
   enum iwl_scan_offload_complete_status {
           IWL_SCAN_OFFLOAD_COMPLETED      = 1,
           IWL_SCAN_OFFLOAD_ABORTED        = 2,
   };
   
   enum iwl_scan_ebs_status {
           IWL_SCAN_EBS_SUCCESS,
           IWL_SCAN_EBS_FAILED,
           IWL_SCAN_EBS_CHAN_NOT_FOUND,
           IWL_SCAN_EBS_INACTIVE,
   };
   
   /**
    * struct iwl_scan_req_tx_cmd - SCAN_REQ_TX_CMD_API_S
    * @tx_flags: combination of TX_CMD_FLG_*
    * @rate_n_flags: rate for *all* Tx attempts, if TX_CMD_FLG_STA_RATE_MSK is
    *      cleared. Combination of RATE_MCS_*
    * @sta_id: index of destination station in FW station table
    * @reserved: for alignment and future use
    */
   struct iwl_scan_req_tx_cmd {
           __le32 tx_flags;
           __le32 rate_n_flags;
           u8 sta_id;
           u8 reserved[3];
   } __packed;
   
   enum iwl_scan_channel_flags_lmac {
           IWL_UNIFIED_SCAN_CHANNEL_FULL           = BIT(27),
           IWL_UNIFIED_SCAN_CHANNEL_PARTIAL        = BIT(28),
   };
   
   /**
    * struct iwl_scan_channel_cfg_lmac - SCAN_CHANNEL_CFG_S_VER2
    * @flags:              bits 1-20: directed scan to i'th ssid
    *                      other bits &enum iwl_scan_channel_flags_lmac
    * @channel_num:        channel number 1-13 etc
    * @iter_count:         scan iteration on this channel
    * @iter_interval:      interval in seconds between iterations on one channel
    */
   struct iwl_scan_channel_cfg_lmac {
           __le32 flags;
           __le16 channel_num;
           __le16 iter_count;
           __le32 iter_interval;
   } __packed;
   
   /**
    * struct iwl_scan_probe_segment - PROBE_SEGMENT_API_S_VER_1
    * @offset: offset in the data block
    * @len: length of the segment
    */
   struct iwl_scan_probe_segment {
           __le16 offset;
           __le16 len;
   } __packed;
   
   /**
    * struct iwl_scan_probe_req_v1 - PROBE_REQUEST_FRAME_API_S_VER_2
    * @mac_header: first (and common) part of the probe
    * @band_data: band specific data
    * @common_data: last (and common) part of the probe
    * @buf: raw data block
    */
   struct iwl_scan_probe_req_v1 {
           struct iwl_scan_probe_segment mac_header;
           struct iwl_scan_probe_segment band_data[SCAN_NUM_BAND_PROBE_DATA_V_1];
           struct iwl_scan_probe_segment common_data;
           u8 buf[SCAN_OFFLOAD_PROBE_REQ_SIZE];
   } __packed;
   
   /**
    * struct iwl_scan_probe_req - PROBE_REQUEST_FRAME_API_S_VER_v2
    * @mac_header: first (and common) part of the probe
    * @band_data: band specific data
    * @common_data: last (and common) part of the probe
    * @buf: raw data block
    */
   struct iwl_scan_probe_req {
           struct iwl_scan_probe_segment mac_header;
           struct iwl_scan_probe_segment band_data[SCAN_NUM_BAND_PROBE_DATA_V_2];
           struct iwl_scan_probe_segment common_data;
           u8 buf[SCAN_OFFLOAD_PROBE_REQ_SIZE];
   } __packed;
   
   enum iwl_scan_channel_flags {
           IWL_SCAN_CHANNEL_FLAG_EBS               = BIT(0),
           IWL_SCAN_CHANNEL_FLAG_EBS_ACCURATE      = BIT(1),
           IWL_SCAN_CHANNEL_FLAG_CACHE_ADD         = BIT(2),
           IWL_SCAN_CHANNEL_FLAG_EBS_FRAG          = BIT(3),
           IWL_SCAN_CHANNEL_FLAG_FORCE_EBS         = BIT(4),
           IWL_SCAN_CHANNEL_FLAG_ENABLE_CHAN_ORDER = BIT(5),
           IWL_SCAN_CHANNEL_FLAG_6G_PSC_NO_FILTER  = BIT(6),
   };
   
   /**
    * struct iwl_scan_channel_opt - CHANNEL_OPTIMIZATION_API_S
    * @flags: enum iwl_scan_channel_flags
    * @non_ebs_ratio: defines the ratio of number of scan iterations where EBS is
    *      involved.
    *      1 - EBS is disabled.
    *      2 - every second scan will be full scan(and so on).
    */
   struct iwl_scan_channel_opt {
           __le16 flags;
           __le16 non_ebs_ratio;
   } __packed;
   
   /**
    * enum iwl_mvm_lmac_scan_flags - LMAC scan flags
    * @IWL_MVM_LMAC_SCAN_FLAG_PASS_ALL: pass all beacons and probe responses
    *      without filtering.
    * @IWL_MVM_LMAC_SCAN_FLAG_PASSIVE: force passive scan on all channels
    * @IWL_MVM_LMAC_SCAN_FLAG_PRE_CONNECTION: single channel scan
    * @IWL_MVM_LMAC_SCAN_FLAG_ITER_COMPLETE: send iteration complete notification
    * @IWL_MVM_LMAC_SCAN_FLAG_MULTIPLE_SSIDS: multiple SSID matching
    * @IWL_MVM_LMAC_SCAN_FLAG_FRAGMENTED: all passive scans will be fragmented
    * @IWL_MVM_LMAC_SCAN_FLAGS_RRM_ENABLED: insert WFA vendor-specific TPC report
    *      and DS parameter set IEs into probe requests.
    * @IWL_MVM_LMAC_SCAN_FLAG_EXTENDED_DWELL: use extended dwell time on channels
    *      1, 6 and 11.
    * @IWL_MVM_LMAC_SCAN_FLAG_MATCH: Send match found notification on matches
    */
   enum iwl_mvm_lmac_scan_flags {
           IWL_MVM_LMAC_SCAN_FLAG_PASS_ALL         = BIT(0),
           IWL_MVM_LMAC_SCAN_FLAG_PASSIVE          = BIT(1),
           IWL_MVM_LMAC_SCAN_FLAG_PRE_CONNECTION   = BIT(2),
           IWL_MVM_LMAC_SCAN_FLAG_ITER_COMPLETE    = BIT(3),
           IWL_MVM_LMAC_SCAN_FLAG_MULTIPLE_SSIDS   = BIT(4),
           IWL_MVM_LMAC_SCAN_FLAG_FRAGMENTED       = BIT(5),
           IWL_MVM_LMAC_SCAN_FLAGS_RRM_ENABLED     = BIT(6),
           IWL_MVM_LMAC_SCAN_FLAG_EXTENDED_DWELL   = BIT(7),
           IWL_MVM_LMAC_SCAN_FLAG_MATCH            = BIT(9),
   };
   
   enum iwl_scan_priority {
           IWL_SCAN_PRIORITY_LOW,
           IWL_SCAN_PRIORITY_MEDIUM,
           IWL_SCAN_PRIORITY_HIGH,
   };
   
   enum iwl_scan_priority_ext {
           IWL_SCAN_PRIORITY_EXT_0_LOWEST,
           IWL_SCAN_PRIORITY_EXT_1,
           IWL_SCAN_PRIORITY_EXT_2,
           IWL_SCAN_PRIORITY_EXT_3,
           IWL_SCAN_PRIORITY_EXT_4,
           IWL_SCAN_PRIORITY_EXT_5,
           IWL_SCAN_PRIORITY_EXT_6,
           IWL_SCAN_PRIORITY_EXT_7_HIGHEST,
   };
   
   /**
    * struct iwl_scan_req_lmac - SCAN_REQUEST_CMD_API_S_VER_1
    * @reserved1: for alignment and future use
    * @n_channels: num of channels to scan
    * @active_dwell: dwell time for active channels
    * @passive_dwell: dwell time for passive channels
    * @fragmented_dwell: dwell time for fragmented passive scan
    * @extended_dwell: dwell time for channels 1, 6 and 11 (in certain cases)
    * @reserved2: for alignment and future use
    * @rx_chain_select: PHY_RX_CHAIN_* flags
    * @scan_flags: &enum iwl_mvm_lmac_scan_flags
    * @max_out_time: max time (in TU) to be out of associated channel
    * @suspend_time: pause scan this long (TUs) when returning to service channel
    * @flags: RXON flags
    * @filter_flags: RXON filter
    * @tx_cmd: tx command for active scan; for 2GHz and for 5GHz
    * @direct_scan: list of SSIDs for directed active scan
    * @scan_prio: enum iwl_scan_priority
    * @iter_num: number of scan iterations
    * @delay: delay in seconds before first iteration
    * @schedule: two scheduling plans. The first one is finite, the second one can
    *      be infinite.
    * @channel_opt: channel optimization options, for full and partial scan
    * @data: channel configuration and probe request packet.
    */
   struct iwl_scan_req_lmac {
           /* SCAN_REQUEST_FIXED_PART_API_S_VER_7 */
           __le32 reserved1;
           u8 n_channels;
           u8 active_dwell;
           u8 passive_dwell;
           u8 fragmented_dwell;
           u8 extended_dwell;
           u8 reserved2;
           __le16 rx_chain_select;
           __le32 scan_flags;
           __le32 max_out_time;
           __le32 suspend_time;
           /* RX_ON_FLAGS_API_S_VER_1 */
           __le32 flags;
           __le32 filter_flags;
           struct iwl_scan_req_tx_cmd tx_cmd[2];
           struct iwl_ssid_ie direct_scan[PROBE_OPTION_MAX];
           __le32 scan_prio;
           /* SCAN_REQ_PERIODIC_PARAMS_API_S */
           __le32 iter_num;
           __le32 delay;
           struct iwl_scan_schedule_lmac schedule[IWL_MAX_SCHED_SCAN_PLANS];
           struct iwl_scan_channel_opt channel_opt[2];
           u8 data[];
   } __packed;
   
   /**
    * struct iwl_scan_results_notif - scan results for one channel -
    *      SCAN_RESULT_NTF_API_S_VER_3
    * @channel: which channel the results are from
    * @band: 0 for 5.2 GHz, 1 for 2.4 GHz
    * @probe_status: SCAN_PROBE_STATUS_*, indicates success of probe request
    * @num_probe_not_sent: # of request that weren't sent due to not enough time
    * @duration: duration spent in channel, in usecs
    */
   struct iwl_scan_results_notif {
           u8 channel;
           u8 band;
           u8 probe_status;
           u8 num_probe_not_sent;
           __le32 duration;
   } __packed;
   
   /**
    * struct iwl_lmac_scan_complete_notif - notifies end of scanning (all channels)
    *      SCAN_COMPLETE_NTF_API_S_VER_3
    * @scanned_channels: number of channels scanned (and number of valid results)
    * @status: one of SCAN_COMP_STATUS_*
    * @bt_status: BT on/off status
    * @last_channel: last channel that was scanned
    * @tsf_low: TSF timer (lower half) in usecs
    * @tsf_high: TSF timer (higher half) in usecs
    * @results: an array of scan results, only "scanned_channels" of them are valid
    */
   struct iwl_lmac_scan_complete_notif {
           u8 scanned_channels;
           u8 status;
           u8 bt_status;
           u8 last_channel;
           __le32 tsf_low;
           __le32 tsf_high;
           struct iwl_scan_results_notif results[];
   } __packed;
   
   /**
    * struct iwl_scan_offload_complete - PERIODIC_SCAN_COMPLETE_NTF_API_S_VER_2
    * @last_schedule_line: last schedule line executed (fast or regular)
    * @last_schedule_iteration: last scan iteration executed before scan abort
    * @status: &enum iwl_scan_offload_complete_status
    * @ebs_status: EBS success status &enum iwl_scan_ebs_status
    * @time_after_last_iter: time in seconds elapsed after last iteration
    * @reserved: reserved
    */
   struct iwl_periodic_scan_complete {
           u8 last_schedule_line;
           u8 last_schedule_iteration;
           u8 status;
           u8 ebs_status;
           __le32 time_after_last_iter;
           __le32 reserved;
   } __packed;
   
   /* UMAC Scan API */
   
   /* The maximum of either of these cannot exceed 8, because we use an
    * 8-bit mask (see IWL_MVM_SCAN_MASK in mvm.h).
    */
   #define IWL_MVM_MAX_UMAC_SCANS 4
   #define IWL_MVM_MAX_LMAC_SCANS 1
   
   enum scan_config_flags {
           SCAN_CONFIG_FLAG_ACTIVATE                       = BIT(0),
           SCAN_CONFIG_FLAG_DEACTIVATE                     = BIT(1),
           SCAN_CONFIG_FLAG_FORBID_CHUB_REQS               = BIT(2),
           SCAN_CONFIG_FLAG_ALLOW_CHUB_REQS                = BIT(3),
           SCAN_CONFIG_FLAG_SET_TX_CHAINS                  = BIT(8),
           SCAN_CONFIG_FLAG_SET_RX_CHAINS                  = BIT(9),
           SCAN_CONFIG_FLAG_SET_AUX_STA_ID                 = BIT(10),
           SCAN_CONFIG_FLAG_SET_ALL_TIMES                  = BIT(11),
           SCAN_CONFIG_FLAG_SET_EFFECTIVE_TIMES            = BIT(12),
           SCAN_CONFIG_FLAG_SET_CHANNEL_FLAGS              = BIT(13),
           SCAN_CONFIG_FLAG_SET_LEGACY_RATES               = BIT(14),
           SCAN_CONFIG_FLAG_SET_MAC_ADDR                   = BIT(15),
           SCAN_CONFIG_FLAG_SET_FRAGMENTED                 = BIT(16),
           SCAN_CONFIG_FLAG_CLEAR_FRAGMENTED               = BIT(17),
           SCAN_CONFIG_FLAG_SET_CAM_MODE                   = BIT(18),
           SCAN_CONFIG_FLAG_CLEAR_CAM_MODE                 = BIT(19),
           SCAN_CONFIG_FLAG_SET_PROMISC_MODE               = BIT(20),
           SCAN_CONFIG_FLAG_CLEAR_PROMISC_MODE             = BIT(21),
           SCAN_CONFIG_FLAG_SET_LMAC2_FRAGMENTED           = BIT(22),
           SCAN_CONFIG_FLAG_CLEAR_LMAC2_FRAGMENTED         = BIT(23),
   
           /* Bits 26-31 are for num of channels in channel_array */
   #define SCAN_CONFIG_N_CHANNELS(n) ((n) << 26)
   };
   
   enum scan_config_rates {
           /* OFDM basic rates */
           SCAN_CONFIG_RATE_6M     = BIT(0),
           SCAN_CONFIG_RATE_9M     = BIT(1),
           SCAN_CONFIG_RATE_12M    = BIT(2),
           SCAN_CONFIG_RATE_18M    = BIT(3),
           SCAN_CONFIG_RATE_24M    = BIT(4),
           SCAN_CONFIG_RATE_36M    = BIT(5),
           SCAN_CONFIG_RATE_48M    = BIT(6),
           SCAN_CONFIG_RATE_54M    = BIT(7),
           /* CCK basic rates */
           SCAN_CONFIG_RATE_1M     = BIT(8),
           SCAN_CONFIG_RATE_2M     = BIT(9),
           SCAN_CONFIG_RATE_5M     = BIT(10),
           SCAN_CONFIG_RATE_11M    = BIT(11),
   
           /* Bits 16-27 are for supported rates */
   #define SCAN_CONFIG_SUPPORTED_RATE(rate)        ((rate) << 16)
   };
   
   enum iwl_channel_flags {
           IWL_CHANNEL_FLAG_EBS                            = BIT(0),
           IWL_CHANNEL_FLAG_ACCURATE_EBS                   = BIT(1),
           IWL_CHANNEL_FLAG_EBS_ADD                        = BIT(2),
           IWL_CHANNEL_FLAG_PRE_SCAN_PASSIVE2ACTIVE        = BIT(3),
   };
   
   enum iwl_uhb_chan_cfg_flags {
           IWL_UHB_CHAN_CFG_FLAG_UNSOLICITED_PROBE_RES = BIT(24),
           IWL_UHB_CHAN_CFG_FLAG_PSC_CHAN_NO_LISTEN    = BIT(25),
           IWL_UHB_CHAN_CFG_FLAG_FORCE_PASSIVE         = BIT(26),
   };
   /**
    * struct iwl_scan_dwell
    * @active:             default dwell time for active scan
    * @passive:            default dwell time for passive scan
    * @fragmented:         default dwell time for fragmented scan
    * @extended:           default dwell time for channels 1, 6 and 11
    */
   struct iwl_scan_dwell {
           u8 active;
           u8 passive;
           u8 fragmented;
           u8 extended;
   } __packed;
   
   /**
    * struct iwl_scan_config_v1 - scan configuration command
    * @flags:                      enum scan_config_flags
    * @tx_chains:                  valid_tx antenna - ANT_* definitions
    * @rx_chains:                  valid_rx antenna - ANT_* definitions
    * @legacy_rates:               default legacy rates - enum scan_config_rates
    * @out_of_channel_time:        default max out of serving channel time
    * @suspend_time:               default max suspend time
    * @dwell:                      dwells for the scan
    * @mac_addr:                   default mac address to be used in probes
    * @bcast_sta_id:               the index of the station in the fw
    * @channel_flags:              default channel flags - enum iwl_channel_flags
    *                              scan_config_channel_flag
    * @channel_array:              default supported channels
    */
   struct iwl_scan_config_v1 {
           __le32 flags;
           __le32 tx_chains;
           __le32 rx_chains;
           __le32 legacy_rates;
           __le32 out_of_channel_time;
           __le32 suspend_time;
           struct iwl_scan_dwell dwell;
           u8 mac_addr[ETH_ALEN];
           u8 bcast_sta_id;
           u8 channel_flags;
           u8 channel_array[];
   } __packed; /* SCAN_CONFIG_DB_CMD_API_S */
   
   #define SCAN_TWO_LMACS 2
   #define SCAN_LB_LMAC_IDX 0
   #define SCAN_HB_LMAC_IDX 1
   
   /**
    * struct iwl_scan_config_v2 - scan configuration command
    * @flags:                      enum scan_config_flags
    * @tx_chains:                  valid_tx antenna - ANT_* definitions
    * @rx_chains:                  valid_rx antenna - ANT_* definitions
    * @legacy_rates:               default legacy rates - enum scan_config_rates
    * @out_of_channel_time:        default max out of serving channel time
    * @suspend_time:               default max suspend time
    * @dwell:                      dwells for the scan
    * @mac_addr:                   default mac address to be used in probes
    * @bcast_sta_id:               the index of the station in the fw
    * @channel_flags:              default channel flags - enum iwl_channel_flags
    *                              scan_config_channel_flag
    * @channel_array:              default supported channels
    */
   struct iwl_scan_config_v2 {
           __le32 flags;
           __le32 tx_chains;
           __le32 rx_chains;
           __le32 legacy_rates;
           __le32 out_of_channel_time[SCAN_TWO_LMACS];
           __le32 suspend_time[SCAN_TWO_LMACS];
           struct iwl_scan_dwell dwell;
           u8 mac_addr[ETH_ALEN];
           u8 bcast_sta_id;
           u8 channel_flags;
           u8 channel_array[];
   } __packed; /* SCAN_CONFIG_DB_CMD_API_S_2 */
   
   /**
    * struct iwl_scan_config - scan configuration command
    * @enable_cam_mode: whether to enable CAM mode.
    * @enable_promiscouos_mode: whether to enable promiscouos mode
    * @bcast_sta_id: the index of the station in the fw. Deprecated starting with
    *     API version 5.
    * @reserved: reserved
    * @tx_chains: valid_tx antenna - ANT_* definitions
    * @rx_chains: valid_rx antenna - ANT_* definitions
    */
   struct iwl_scan_config {
           u8 enable_cam_mode;
           u8 enable_promiscouos_mode;
           u8 bcast_sta_id;
           u8 reserved;
           __le32 tx_chains;
           __le32 rx_chains;
   } __packed; /* SCAN_CONFIG_DB_CMD_API_S_5 */
   
   /**
    * enum iwl_umac_scan_flags - UMAC scan flags
    * @IWL_UMAC_SCAN_FLAG_PREEMPTIVE: scan process triggered by this scan request
    *      can be preempted by other scan requests with higher priority.
    *      The low priority scan will be resumed when the higher proirity scan is
    *      completed.
    * @IWL_UMAC_SCAN_FLAG_START_NOTIF: notification will be sent to the driver
    *      when scan starts.
    */
   enum iwl_umac_scan_flags {
           IWL_UMAC_SCAN_FLAG_PREEMPTIVE           = BIT(0),
           IWL_UMAC_SCAN_FLAG_START_NOTIF          = BIT(1),
   };
   
   enum iwl_umac_scan_uid_offsets {
           IWL_UMAC_SCAN_UID_TYPE_OFFSET           = 0,
           IWL_UMAC_SCAN_UID_SEQ_OFFSET            = 8,
   };
   
   enum iwl_umac_scan_general_flags {
           IWL_UMAC_SCAN_GEN_FLAGS_PERIODIC                = BIT(0),
           IWL_UMAC_SCAN_GEN_FLAGS_OVER_BT                 = BIT(1),
           IWL_UMAC_SCAN_GEN_FLAGS_PASS_ALL                = BIT(2),
           IWL_UMAC_SCAN_GEN_FLAGS_PASSIVE                 = BIT(3),
           IWL_UMAC_SCAN_GEN_FLAGS_PRE_CONNECT             = BIT(4),
           IWL_UMAC_SCAN_GEN_FLAGS_ITER_COMPLETE           = BIT(5),
           IWL_UMAC_SCAN_GEN_FLAGS_MULTIPLE_SSID           = BIT(6),
           IWL_UMAC_SCAN_GEN_FLAGS_FRAGMENTED              = BIT(7),
           IWL_UMAC_SCAN_GEN_FLAGS_RRM_ENABLED             = BIT(8),
           IWL_UMAC_SCAN_GEN_FLAGS_MATCH                   = BIT(9),
           IWL_UMAC_SCAN_GEN_FLAGS_EXTENDED_DWELL          = BIT(10),
           /* Extended dwell is obselete when adaptive dwell is used, making this
            * bit reusable. Hence, probe request defer is used only when adaptive
            * dwell is supported. */
           IWL_UMAC_SCAN_GEN_FLAGS_PROB_REQ_DEFER_SUPP     = BIT(10),
           IWL_UMAC_SCAN_GEN_FLAGS_LMAC2_FRAGMENTED        = BIT(11),
           IWL_UMAC_SCAN_GEN_FLAGS_ADAPTIVE_DWELL          = BIT(13),
           IWL_UMAC_SCAN_GEN_FLAGS_MAX_CHNL_TIME           = BIT(14),
           IWL_UMAC_SCAN_GEN_FLAGS_PROB_REQ_HIGH_TX_RATE   = BIT(15),
   };
   
   /**
    * enum iwl_umac_scan_general_flags2 - UMAC scan general flags #2
    * @IWL_UMAC_SCAN_GEN_FLAGS2_NOTIF_PER_CHNL: Whether to send a complete
    *      notification per channel or not.
    * @IWL_UMAC_SCAN_GEN_FLAGS2_ALLOW_CHNL_REORDER: Whether to allow channel
    *      reorder optimization or not.
    */
   enum iwl_umac_scan_general_flags2 {
           IWL_UMAC_SCAN_GEN_FLAGS2_NOTIF_PER_CHNL         = BIT(0),
           IWL_UMAC_SCAN_GEN_FLAGS2_ALLOW_CHNL_REORDER     = BIT(1),
   };
   
   /**
    * enum iwl_umac_scan_general_flags_v2 - UMAC scan general flags version 2
    *
    * The FW flags were reordered and hence the driver introduce version 2
    *
    * @IWL_UMAC_SCAN_GEN_FLAGS_V2_PERIODIC: periodic or scheduled
    * @IWL_UMAC_SCAN_GEN_FLAGS_V2_PASS_ALL: pass all probe responses and beacons
    *                                       during scan iterations
    * @IWL_UMAC_SCAN_GEN_FLAGS_V2_NTFY_ITER_COMPLETE: send complete notification
    *      on every iteration instead of only once after the last iteration
    * @IWL_UMAC_SCAN_GEN_FLAGS_V2_FRAGMENTED_LMAC1: fragmented scan LMAC1
    * @IWL_UMAC_SCAN_GEN_FLAGS_V2_FRAGMENTED_LMAC2: fragmented scan LMAC2
    * @IWL_UMAC_SCAN_GEN_FLAGS_V2_MATCH: does this scan check for profile matching
    * @IWL_UMAC_SCAN_GEN_FLAGS_V2_USE_ALL_RX_CHAINS: use all valid chains for RX
    * @IWL_UMAC_SCAN_GEN_FLAGS_V2_ADAPTIVE_DWELL: works with adaptive dwell
    *                                             for active channel
    * @IWL_UMAC_SCAN_GEN_FLAGS_V2_PREEMPTIVE: can be preempted by other requests
    * @IWL_UMAC_SCAN_GEN_FLAGS_V2_NTF_START: send notification of scan start
    * @IWL_UMAC_SCAN_GEN_FLAGS_V2_MULTI_SSID: matching on multiple SSIDs
    * @IWL_UMAC_SCAN_GEN_FLAGS_V2_FORCE_PASSIVE: all the channels scanned
    *                                           as passive
    * @IWL_UMAC_SCAN_GEN_FLAGS_V2_TRIGGER_UHB_SCAN: at the end of 2.4GHz and
    *              5.2Ghz bands scan, trigger scan on 6GHz band to discover
    *              the reported collocated APs
    * @IWL_UMAC_SCAN_GEN_FLAGS_V2_6GHZ_PASSIVE_SCAN: at the end of 2.4GHz and 5GHz
    *      bands scan, if not APs were discovered, allow scan to conitnue and scan
    *      6GHz PSC channels in order to discover country information.
    * @IWL_UMAC_SCAN_GEN_FLAGS_V2_6GHZ_PASSIVE_SCAN_FILTER_IN: in case
    *      &IWL_UMAC_SCAN_GEN_FLAGS_V2_6GHZ_PASSIVE_SCAN is enabled and scan is
    *      activated over 6GHz PSC channels, filter in beacons and probe responses.
    * @IWL_UMAC_SCAN_GEN_FLAGS_V2_OCE: if set, send probe requests in a minimum
    *      rate of 5.5Mpbs, filter in broadcast probe responses and set the max
    *      channel time indication field in the FILS request parameters element
    *      (if included by the driver in the probe request IEs).
    */
   enum iwl_umac_scan_general_flags_v2 {
           IWL_UMAC_SCAN_GEN_FLAGS_V2_PERIODIC             = BIT(0),
           IWL_UMAC_SCAN_GEN_FLAGS_V2_PASS_ALL             = BIT(1),
           IWL_UMAC_SCAN_GEN_FLAGS_V2_NTFY_ITER_COMPLETE   = BIT(2),
           IWL_UMAC_SCAN_GEN_FLAGS_V2_FRAGMENTED_LMAC1     = BIT(3),
           IWL_UMAC_SCAN_GEN_FLAGS_V2_FRAGMENTED_LMAC2     = BIT(4),
           IWL_UMAC_SCAN_GEN_FLAGS_V2_MATCH                = BIT(5),
           IWL_UMAC_SCAN_GEN_FLAGS_V2_USE_ALL_RX_CHAINS    = BIT(6),
           IWL_UMAC_SCAN_GEN_FLAGS_V2_ADAPTIVE_DWELL       = BIT(7),
           IWL_UMAC_SCAN_GEN_FLAGS_V2_PREEMPTIVE           = BIT(8),
           IWL_UMAC_SCAN_GEN_FLAGS_V2_NTF_START            = BIT(9),
           IWL_UMAC_SCAN_GEN_FLAGS_V2_MULTI_SSID           = BIT(10),
           IWL_UMAC_SCAN_GEN_FLAGS_V2_FORCE_PASSIVE        = BIT(11),
           IWL_UMAC_SCAN_GEN_FLAGS_V2_TRIGGER_UHB_SCAN     = BIT(12),
           IWL_UMAC_SCAN_GEN_FLAGS_V2_6GHZ_PASSIVE_SCAN    = BIT(13),
           IWL_UMAC_SCAN_GEN_FLAGS_V2_6GHZ_PASSIVE_SCAN_FILTER_IN = BIT(14),
           IWL_UMAC_SCAN_GEN_FLAGS_V2_OCE                  = BIT(15),
   };
   
   /**
    * enum iwl_umac_scan_general_params_flags2 - UMAC scan general flags2
    *
    * @IWL_UMAC_SCAN_GEN_PARAMS_FLAGS2_RESPECT_P2P_GO_LB: scan event scheduling
    *     should be aware of a P2P GO operation on the 2GHz band.
    * @IWL_UMAC_SCAN_GEN_PARAMS_FLAGS2_RESPECT_P2P_GO_HB: scan event scheduling
    *     should be aware of a P2P GO operation on the 5GHz or 6GHz band.
    */
   enum iwl_umac_scan_general_params_flags2 {
           IWL_UMAC_SCAN_GEN_PARAMS_FLAGS2_RESPECT_P2P_GO_LB = BIT(0),
           IWL_UMAC_SCAN_GEN_PARAMS_FLAGS2_RESPECT_P2P_GO_HB = BIT(1),
   };
   
   /**
    * struct iwl_scan_channel_cfg_umac
    * @flags:              bitmap - 0-19:  directed scan to i'th ssid.
    * @channel_num:        channel number 1-13 etc.
    * @band:               band of channel: 0 for 2GHz, 1 for 5GHz
    * @iter_count:         repetition count for the channel.
    * @iter_interval:      interval between two scan iterations on one channel.
    */
   struct  iwl_scan_channel_cfg_umac {
           __le32 flags;
           /* Both versions are of the same size, so use a union without adjusting
            * the command size later
            */
           union {
                   struct {
                           u8 channel_num;
                           u8 iter_count;
                           __le16 iter_interval;
                   } v1;  /* SCAN_CHANNEL_CONFIG_API_S_VER_1 */
                   struct {
                           u8 channel_num;
                           u8 band;
                           u8 iter_count;
                           u8 iter_interval;
                    } v2; /* SCAN_CHANNEL_CONFIG_API_S_VER_2
                           * SCAN_CHANNEL_CONFIG_API_S_VER_3
                           * SCAN_CHANNEL_CONFIG_API_S_VER_4
                           */
           };
   } __packed;
   
   /**
    * struct iwl_scan_umac_schedule
    * @interval: interval in seconds between scan iterations
    * @iter_count: num of scan iterations for schedule plan, 0xff for infinite loop
    * @reserved: for alignment and future use
    */
   struct iwl_scan_umac_schedule {
           __le16 interval;
           u8 iter_count;
           u8 reserved;
   } __packed; /* SCAN_SCHED_PARAM_API_S_VER_1 */
   
   struct iwl_scan_req_umac_tail_v1 {
           /* SCAN_PERIODIC_PARAMS_API_S_VER_1 */
           struct iwl_scan_umac_schedule schedule[IWL_MAX_SCHED_SCAN_PLANS];
           __le16 delay;
           __le16 reserved;
           /* SCAN_PROBE_PARAMS_API_S_VER_1 */
           struct iwl_scan_probe_req_v1 preq;
           struct iwl_ssid_ie direct_scan[PROBE_OPTION_MAX];
   } __packed;
   
   /**
    * struct iwl_scan_req_umac_tail - the rest of the UMAC scan request command
    *      parameters following channels configuration array.
    * @schedule: two scheduling plans.
    * @delay: delay in TUs before starting the first scan iteration
    * @reserved: for future use and alignment
    * @preq: probe request with IEs blocks
    * @direct_scan: list of SSIDs for directed active scan
    */
   struct iwl_scan_req_umac_tail_v2 {
           /* SCAN_PERIODIC_PARAMS_API_S_VER_1 */
           struct iwl_scan_umac_schedule schedule[IWL_MAX_SCHED_SCAN_PLANS];
           __le16 delay;
           __le16 reserved;
           /* SCAN_PROBE_PARAMS_API_S_VER_2 */
           struct iwl_scan_probe_req preq;
           struct iwl_ssid_ie direct_scan[PROBE_OPTION_MAX];
   } __packed;
   
   /**
    * struct iwl_scan_umac_chan_param
    * @flags: channel flags &enum iwl_scan_channel_flags
    * @count: num of channels in scan request
    * @reserved: for future use and alignment
    */
   struct iwl_scan_umac_chan_param {
           u8 flags;
           u8 count;
           __le16 reserved;
   } __packed; /*SCAN_CHANNEL_PARAMS_API_S_VER_1 */
   
   /**
    * struct iwl_scan_req_umac
    * @flags: &enum iwl_umac_scan_flags
    * @uid: scan id, &enum iwl_umac_scan_uid_offsets
    * @ooc_priority: out of channel priority - &enum iwl_scan_priority
    * @general_flags: &enum iwl_umac_scan_general_flags
    * @scan_start_mac_id: report the scan start TSF time according to this mac TSF
    * @extended_dwell: dwell time for channels 1, 6 and 11
    * @active_dwell: dwell time for active scan per LMAC
    * @passive_dwell: dwell time for passive scan per LMAC
    * @fragmented_dwell: dwell time for fragmented passive scan
    * @adwell_default_n_aps: for adaptive dwell the default number of APs
    *      per channel
    * @adwell_default_n_aps_social: for adaptive dwell the default
    *      number of APs per social (1,6,11) channel
    * @general_flags2: &enum iwl_umac_scan_general_flags2
    * @adwell_max_budget: for adaptive dwell the maximal budget of TU to be added
    *      to total scan time
    * @max_out_time: max out of serving channel time, per LMAC - for CDB there
    *      are 2 LMACs
    * @suspend_time: max suspend time, per LMAC - for CDB there are 2 LMACs
    * @scan_priority: scan internal prioritization &enum iwl_scan_priority
    * @num_of_fragments: Number of fragments needed for full coverage per band.
    *      Relevant only for fragmented scan.
    * @channel: &struct iwl_scan_umac_chan_param
    * @reserved: for future use and alignment
    * @reserved3: for future use and alignment
    * @data: &struct iwl_scan_channel_cfg_umac and
    *      &struct iwl_scan_req_umac_tail
    */
   struct iwl_scan_req_umac {
           __le32 flags;
           __le32 uid;
           __le32 ooc_priority;
           __le16 general_flags;
           u8 reserved;
           u8 scan_start_mac_id;
           union {
                   struct {
                           u8 extended_dwell;
                           u8 active_dwell;
                           u8 passive_dwell;
                           u8 fragmented_dwell;
                           __le32 max_out_time;
                           __le32 suspend_time;
                           __le32 scan_priority;
                           struct iwl_scan_umac_chan_param channel;
                           u8 data[];
                   } v1; /* SCAN_REQUEST_CMD_UMAC_API_S_VER_1 */
                   struct {
                           u8 extended_dwell;
                           u8 active_dwell;
                           u8 passive_dwell;
                           u8 fragmented_dwell;
                           __le32 max_out_time[SCAN_TWO_LMACS];
                           __le32 suspend_time[SCAN_TWO_LMACS];
                           __le32 scan_priority;
                           struct iwl_scan_umac_chan_param channel;
                           u8 data[];
                   } v6; /* SCAN_REQUEST_CMD_UMAC_API_S_VER_6 */
                   struct {
                           u8 active_dwell;
                           u8 passive_dwell;
                           u8 fragmented_dwell;
                           u8 adwell_default_n_aps;
                           u8 adwell_default_n_aps_social;
                           u8 reserved3;
                           __le16 adwell_max_budget;
                           __le32 max_out_time[SCAN_TWO_LMACS];
                           __le32 suspend_time[SCAN_TWO_LMACS];
                           __le32 scan_priority;
                           struct iwl_scan_umac_chan_param channel;
                           u8 data[];
                   } v7; /* SCAN_REQUEST_CMD_UMAC_API_S_VER_7 */
                   struct {
                           u8 active_dwell[SCAN_TWO_LMACS];
                           u8 reserved2;
                           u8 adwell_default_n_aps;
                           u8 adwell_default_n_aps_social;
                           u8 general_flags2;
                           __le16 adwell_max_budget;
                           __le32 max_out_time[SCAN_TWO_LMACS];
                           __le32 suspend_time[SCAN_TWO_LMACS];
                           __le32 scan_priority;
                           u8 passive_dwell[SCAN_TWO_LMACS];
                           u8 num_of_fragments[SCAN_TWO_LMACS];
                           struct iwl_scan_umac_chan_param channel;
                           u8 data[];
                   } v8; /* SCAN_REQUEST_CMD_UMAC_API_S_VER_8 */
                   struct {
                           u8 active_dwell[SCAN_TWO_LMACS];
                           u8 adwell_default_hb_n_aps;
                           u8 adwell_default_lb_n_aps;
                           u8 adwell_default_n_aps_social;
                           u8 general_flags2;
                           __le16 adwell_max_budget;
                           __le32 max_out_time[SCAN_TWO_LMACS];
                           __le32 suspend_time[SCAN_TWO_LMACS];
                           __le32 scan_priority;
                           u8 passive_dwell[SCAN_TWO_LMACS];
                           u8 num_of_fragments[SCAN_TWO_LMACS];
                           struct iwl_scan_umac_chan_param channel;
                           u8 data[];
                   } v9; /* SCAN_REQUEST_CMD_UMAC_API_S_VER_9 */
           };
   } __packed;
   
   #define IWL_SCAN_REQ_UMAC_SIZE_V8 sizeof(struct iwl_scan_req_umac)
   #define IWL_SCAN_REQ_UMAC_SIZE_V7 48
   #define IWL_SCAN_REQ_UMAC_SIZE_V6 44
   #define IWL_SCAN_REQ_UMAC_SIZE_V1 36
   
   /**
    * struct iwl_scan_probe_params_v3
    * @preq: scan probe request params
    * @ssid_num: number of valid SSIDs in direct scan array
    * @short_ssid_num: number of valid short SSIDs in short ssid array
    * @bssid_num: number of valid bssid in bssids array
    * @reserved: reserved
    * @direct_scan: list of ssids
    * @short_ssid: array of short ssids
    * @bssid_array: array of bssids
    */
   struct iwl_scan_probe_params_v3 {
           struct iwl_scan_probe_req preq;
           u8 ssid_num;
           u8 short_ssid_num;
           u8 bssid_num;
           u8 reserved;
           struct iwl_ssid_ie direct_scan[PROBE_OPTION_MAX];
           __le32 short_ssid[SCAN_SHORT_SSID_MAX_SIZE];
           u8 bssid_array[SCAN_BSSID_MAX_SIZE][ETH_ALEN];
   } __packed; /* SCAN_PROBE_PARAMS_API_S_VER_3 */
   
   /**
    * struct iwl_scan_probe_params_v4
    * @preq: scan probe request params
    * @short_ssid_num: number of valid short SSIDs in short ssid array
    * @bssid_num: number of valid bssid in bssids array
    * @reserved: reserved
    * @direct_scan: list of ssids
    * @short_ssid: array of short ssids
    * @bssid_array: array of bssids
    */
   struct iwl_scan_probe_params_v4 {
           struct iwl_scan_probe_req preq;
           u8 short_ssid_num;
           u8 bssid_num;
           __le16 reserved;
           struct iwl_ssid_ie direct_scan[PROBE_OPTION_MAX];
           __le32 short_ssid[SCAN_SHORT_SSID_MAX_SIZE];
           u8 bssid_array[SCAN_BSSID_MAX_SIZE][ETH_ALEN];
   } __packed; /* SCAN_PROBE_PARAMS_API_S_VER_4 */
   
   #define SCAN_MAX_NUM_CHANS_V3 67
   
   /**
    * struct iwl_scan_channel_params_v4
    * @flags: channel flags &enum iwl_scan_channel_flags
    * @count: num of channels in scan request
    * @num_of_aps_override: override the number of APs the FW uses to calculate
    *      dwell time when adaptive dwell is used
    * @reserved: for future use and alignment
    * @channel_config: array of explicit channel configurations
    *                  for 2.4Ghz and 5.2Ghz bands
    * @adwell_ch_override_bitmap: when using adaptive dwell, override the number
    *      of APs value with &num_of_aps_override for the channel.
    *      To cast channel to index, use &iwl_mvm_scan_ch_and_band_to_idx
    */
   struct iwl_scan_channel_params_v4 {
           u8 flags;
           u8 count;
           u8 num_of_aps_override;
           u8 reserved;
           struct iwl_scan_channel_cfg_umac channel_config[SCAN_MAX_NUM_CHANS_V3];
           u8 adwell_ch_override_bitmap[16];
   } __packed; /* SCAN_CHANNEL_PARAMS_API_S_VER_4 also
                  SCAN_CHANNEL_PARAMS_API_S_VER_5 */
   
   /**
    * struct iwl_scan_channel_params_v6
    * @flags: channel flags &enum iwl_scan_channel_flags
    * @count: num of channels in scan request
    * @n_aps_override: override the number of APs the FW uses to calculate dwell
    *      time when adaptive dwell is used.
    *      Channel k will use n_aps_override[i] when BIT(20 + i) is set in
    *      channel_config[k].flags
    * @channel_config: array of explicit channel configurations
    *                  for 2.4Ghz and 5.2Ghz bands
    */
   struct iwl_scan_channel_params_v6 {
           u8 flags;
           u8 count;
           u8 n_aps_override[2];
           struct iwl_scan_channel_cfg_umac channel_config[SCAN_MAX_NUM_CHANS_V3];
   } __packed; /* SCAN_CHANNEL_PARAMS_API_S_VER_6 */
   
   /**
    * struct iwl_scan_general_params_v11
    * @flags: &enum iwl_umac_scan_general_flags_v2
    * @reserved: reserved for future
    * @scan_start_mac_id: report the scan start TSF time according to this mac TSF
    * @active_dwell: dwell time for active scan per LMAC
    * @adwell_default_2g: adaptive dwell default number of APs
    *                        for 2.4GHz channel
    * @adwell_default_5g: adaptive dwell default number of APs
    *                        for 5GHz channels
    * @adwell_default_social_chn: adaptive dwell default number of
   *                             APs per social channel
   * @flags2: for version 11 see &enum iwl_umac_scan_general_params_flags2.
   *     Otherwise reserved.
   * @adwell_max_budget: the maximal number of TUs that adaptive dwell
   *                     can add to the total scan time
   * @max_out_of_time: max out of serving channel time, per LMAC
   * @suspend_time: max suspend time, per LMAC
   * @scan_priority: priority of the request
   * @passive_dwell: continues dwell time for passive channel
   *                 (without adaptive dwell)
   * @num_of_fragments: number of fragments needed for full fragmented
   *                    scan coverage.
   */
  struct iwl_scan_general_params_v11 {
          __le16 flags;
          u8 reserved;
          u8 scan_start_mac_id;
          u8 active_dwell[SCAN_TWO_LMACS];
          u8 adwell_default_2g;
          u8 adwell_default_5g;
          u8 adwell_default_social_chn;
          u8 flags2;
          __le16 adwell_max_budget;
          __le32 max_out_of_time[SCAN_TWO_LMACS];
          __le32 suspend_time[SCAN_TWO_LMACS];
          __le32 scan_priority;
          u8 passive_dwell[SCAN_TWO_LMACS];
          u8 num_of_fragments[SCAN_TWO_LMACS];
  } __packed; /* SCAN_GENERAL_PARAMS_API_S_VER_11 and *_VER_10 */
  
  /**
   * struct iwl_scan_periodic_parms_v1
   * @schedule: can scheduling parameter
   * @delay: initial delay of the periodic scan in seconds
   * @reserved: reserved for future
   */
  struct iwl_scan_periodic_parms_v1 {
          struct iwl_scan_umac_schedule schedule[IWL_MAX_SCHED_SCAN_PLANS];
          __le16 delay;
          __le16 reserved;
  } __packed; /* SCAN_PERIODIC_PARAMS_API_S_VER_1 */
  
  /**
   * struct iwl_scan_req_params_v12
   * @general_params: &struct iwl_scan_general_params_v11
   * @channel_params: &struct iwl_scan_channel_params_v4
   * @periodic_params: &struct iwl_scan_periodic_parms_v1
   * @probe_params: &struct iwl_scan_probe_params_v3
   */
  struct iwl_scan_req_params_v12 {
          struct iwl_scan_general_params_v11 general_params;
          struct iwl_scan_channel_params_v4 channel_params;
          struct iwl_scan_periodic_parms_v1 periodic_params;
          struct iwl_scan_probe_params_v3 probe_params;
  } __packed; /* SCAN_REQUEST_PARAMS_API_S_VER_12 */
  
  /**
   * struct iwl_scan_req_params_v15
   * @general_params: &struct iwl_scan_general_params_v11
   * @channel_params: &struct iwl_scan_channel_params_v6
   * @periodic_params: &struct iwl_scan_periodic_parms_v1
   * @probe_params: &struct iwl_scan_probe_params_v4
   */
  struct iwl_scan_req_params_v15 {
          struct iwl_scan_general_params_v11 general_params;
          struct iwl_scan_channel_params_v6 channel_params;
          struct iwl_scan_periodic_parms_v1 periodic_params;
          struct iwl_scan_probe_params_v4 probe_params;
  } __packed; /* SCAN_REQUEST_PARAMS_API_S_VER_15 and *_VER_14 */
  
  /**
   * struct iwl_scan_req_umac_v12
   * @uid: scan id, &enum iwl_umac_scan_uid_offsets
   * @ooc_priority: out of channel priority - &enum iwl_scan_priority
   * @scan_params: scan parameters
   */
  struct iwl_scan_req_umac_v12 {
          __le32 uid;
          __le32 ooc_priority;
          struct iwl_scan_req_params_v12 scan_params;
  } __packed; /* SCAN_REQUEST_CMD_UMAC_API_S_VER_12 */
  
  /**
   * struct iwl_scan_req_umac_v15
   * @uid: scan id, &enum iwl_umac_scan_uid_offsets
   * @ooc_priority: out of channel priority - &enum iwl_scan_priority
   * @scan_params: scan parameters
   */
  struct iwl_scan_req_umac_v15 {
          __le32 uid;
          __le32 ooc_priority;
          struct iwl_scan_req_params_v15 scan_params;
  } __packed; /* SCAN_REQUEST_CMD_UMAC_API_S_VER_15 and *_VER_14 */
  
  /**
   * struct iwl_umac_scan_abort
   * @uid: scan id, &enum iwl_umac_scan_uid_offsets
   * @flags: reserved
   */
  struct iwl_umac_scan_abort {
          __le32 uid;
          __le32 flags;
  } __packed; /* SCAN_ABORT_CMD_UMAC_API_S_VER_1 */
  
  /**
   * struct iwl_umac_scan_complete
   * @uid: scan id, &enum iwl_umac_scan_uid_offsets
   * @last_schedule: last scheduling line
   * @last_iter: last scan iteration number
   * @status: &enum iwl_scan_offload_complete_status
   * @ebs_status: &enum iwl_scan_ebs_status
   * @time_from_last_iter: time elapsed from last iteration
   * @reserved: for future use
   */
  struct iwl_umac_scan_complete {
          __le32 uid;
          u8 last_schedule;
          u8 last_iter;
          u8 status;
          u8 ebs_status;
          __le32 time_from_last_iter;
          __le32 reserved;
  } __packed; /* SCAN_COMPLETE_NTF_UMAC_API_S_VER_1 */
  
  #define SCAN_OFFLOAD_MATCHING_CHANNELS_LEN_V1 5
  #define SCAN_OFFLOAD_MATCHING_CHANNELS_LEN    7
  
  /**
   * struct iwl_scan_offload_profile_match_v1 - match information
   * @bssid: matched bssid
   * @reserved: reserved
   * @channel: channel where the match occurred
   * @energy: energy
   * @matching_feature: feature matches
   * @matching_channels: bitmap of channels that matched, referencing
   *      the channels passed in the scan offload request.
   */
  struct iwl_scan_offload_profile_match_v1 {
          u8 bssid[ETH_ALEN];
          __le16 reserved;
          u8 channel;
          u8 energy;
          u8 matching_feature;
          u8 matching_channels[SCAN_OFFLOAD_MATCHING_CHANNELS_LEN_V1];
  } __packed; /* SCAN_OFFLOAD_PROFILE_MATCH_RESULTS_S_VER_1 */
  
  /**
   * struct iwl_scan_offload_profiles_query_v1 - match results query response
   * @matched_profiles: bitmap of matched profiles, referencing the
   *      matches passed in the scan offload request
   * @last_scan_age: age of the last offloaded scan
   * @n_scans_done: number of offloaded scans done
   * @gp2_d0u: GP2 when D0U occurred
   * @gp2_invoked: GP2 when scan offload was invoked
   * @resume_while_scanning: not used
   * @self_recovery: obsolete
   * @reserved: reserved
   * @matches: array of match information, one for each match
   */
  struct iwl_scan_offload_profiles_query_v1 {
          __le32 matched_profiles;
          __le32 last_scan_age;
          __le32 n_scans_done;
          __le32 gp2_d0u;
          __le32 gp2_invoked;
          u8 resume_while_scanning;
          u8 self_recovery;
          __le16 reserved;
          struct iwl_scan_offload_profile_match_v1 matches[0];
  } __packed; /* SCAN_OFFLOAD_PROFILES_QUERY_RSP_S_VER_2 */
  
  /**
   * struct iwl_scan_offload_profile_match - match information
   * @bssid: matched bssid
   * @reserved: reserved
   * @channel: channel where the match occurred
   * @energy: energy
   * @matching_feature: feature matches
   * @matching_channels: bitmap of channels that matched, referencing
   *      the channels passed in the scan offload request.
   */
  struct iwl_scan_offload_profile_match {
          u8 bssid[ETH_ALEN];
          __le16 reserved;
          u8 channel;
          u8 energy;
          u8 matching_feature;
          u8 matching_channels[SCAN_OFFLOAD_MATCHING_CHANNELS_LEN];
  } __packed; /* SCAN_OFFLOAD_PROFILE_MATCH_RESULTS_S_VER_2 */
  
  /**
   * struct iwl_scan_offload_profiles_query - match results query response
   * @matched_profiles: bitmap of matched profiles, referencing the
   *      matches passed in the scan offload request
   * @last_scan_age: age of the last offloaded scan
   * @n_scans_done: number of offloaded scans done
   * @gp2_d0u: GP2 when D0U occurred
   * @gp2_invoked: GP2 when scan offload was invoked
   * @resume_while_scanning: not used
   * @self_recovery: obsolete
   * @reserved: reserved
   * @matches: array of match information, one for each match
   */
  struct iwl_scan_offload_profiles_query {
          __le32 matched_profiles;
          __le32 last_scan_age;
          __le32 n_scans_done;
          __le32 gp2_d0u;
          __le32 gp2_invoked;
          u8 resume_while_scanning;
          u8 self_recovery;
          __le16 reserved;
          struct iwl_scan_offload_profile_match matches[0];
  } __packed; /* SCAN_OFFLOAD_PROFILES_QUERY_RSP_S_VER_3 */
  
  /**
   * struct iwl_umac_scan_iter_complete_notif - notifies end of scanning iteration
   * @uid: scan id, &enum iwl_umac_scan_uid_offsets
   * @scanned_channels: number of channels scanned and number of valid elements in
   *      results array
   * @status: one of SCAN_COMP_STATUS_*
   * @bt_status: BT on/off status
   * @last_channel: last channel that was scanned
   * @start_tsf: TSF timer in usecs of the scan start time for the mac specified
   *      in &struct iwl_scan_req_umac.
   * @results: array of scan results, length in @scanned_channels
   */
  struct iwl_umac_scan_iter_complete_notif {
          __le32 uid;
          u8 scanned_channels;
          u8 status;
          u8 bt_status;
          u8 last_channel;
          __le64 start_tsf;
          struct iwl_scan_results_notif results[];
  } __packed; /* SCAN_ITER_COMPLETE_NTF_UMAC_API_S_VER_2 */
  
  #endif /* __iwl_fw_api_scan_h__ */

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