Add the rt linux 4.1.3-rt3 as base
[kvmfornfv.git] / kernel / drivers / net / wireless / iwlwifi / mvm / fw-api-scan.h
diff --git a/kernel/drivers/net/wireless/iwlwifi/mvm/fw-api-scan.h b/kernel/drivers/net/wireless/iwlwifi/mvm/fw-api-scan.h
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+/******************************************************************************
+ *
+ * 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) 2012 - 2014 Intel Corporation. All rights reserved.
+ * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
+ *
+ * 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) 2012 - 2014 Intel Corporation. All rights reserved.
+ * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
+ * 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.
+ *
+ *****************************************************************************/
+
+#ifndef __fw_api_scan_h__
+#define __fw_api_scan_h__
+
+#include "fw-api.h"
+
+/* Scan Commands, Responses, Notifications */
+
+/* Max number of IEs for direct SSID scans in a command */
+#define PROBE_OPTION_MAX               20
+
+/**
+ * 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.
+ */
+struct iwl_ssid_ie {
+       u8 id;
+       u8 len;
+       u8 ssid[IEEE80211_MAX_SSID_LEN];
+} __packed; /* SCAN_DIRECT_SSID_IE_API_S_VER_1 */
+
+/* How many statistics are gathered for each channel */
+#define SCAN_RESULTS_STATISTICS 1
+
+/**
+ * enum iwl_scan_complete_status - status codes for scan complete notifications
+ * @SCAN_COMP_STATUS_OK:  scan completed successfully
+ * @SCAN_COMP_STATUS_ABORT: scan was aborted by user
+ * @SCAN_COMP_STATUS_ERR_SLEEP: sending null sleep packet failed
+ * @SCAN_COMP_STATUS_ERR_CHAN_TIMEOUT: timeout before channel is ready
+ * @SCAN_COMP_STATUS_ERR_PROBE: sending probe request failed
+ * @SCAN_COMP_STATUS_ERR_WAKEUP: sending null wakeup packet failed
+ * @SCAN_COMP_STATUS_ERR_ANTENNAS: invalid antennas chosen at scan command
+ * @SCAN_COMP_STATUS_ERR_INTERNAL: internal error caused scan abort
+ * @SCAN_COMP_STATUS_ERR_COEX: medium was lost ot WiMax
+ * @SCAN_COMP_STATUS_P2P_ACTION_OK: P2P public action frame TX was successful
+ *     (not an error!)
+ * @SCAN_COMP_STATUS_ITERATION_END: indicates end of one repetition the driver
+ *     asked for
+ * @SCAN_COMP_STATUS_ERR_ALLOC_TE: scan could not allocate time events
+*/
+enum iwl_scan_complete_status {
+       SCAN_COMP_STATUS_OK = 0x1,
+       SCAN_COMP_STATUS_ABORT = 0x2,
+       SCAN_COMP_STATUS_ERR_SLEEP = 0x3,
+       SCAN_COMP_STATUS_ERR_CHAN_TIMEOUT = 0x4,
+       SCAN_COMP_STATUS_ERR_PROBE = 0x5,
+       SCAN_COMP_STATUS_ERR_WAKEUP = 0x6,
+       SCAN_COMP_STATUS_ERR_ANTENNAS = 0x7,
+       SCAN_COMP_STATUS_ERR_INTERNAL = 0x8,
+       SCAN_COMP_STATUS_ERR_COEX = 0x9,
+       SCAN_COMP_STATUS_P2P_ACTION_OK = 0xA,
+       SCAN_COMP_STATUS_ITERATION_END = 0x0B,
+       SCAN_COMP_STATUS_ERR_ALLOC_TE = 0x0C,
+};
+
+/* scan offload */
+#define IWL_SCAN_MAX_BLACKLIST_LEN     64
+#define IWL_SCAN_SHORT_BLACKLIST_LEN   16
+#define IWL_SCAN_MAX_PROFILES          11
+#define SCAN_OFFLOAD_PROBE_REQ_SIZE    512
+
+/* 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
+
+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_cmd - SCAN_REQUEST_FIXED_PART_API_S_VER_6
+ * @scan_flags:                see enum iwl_scan_flags
+ * @channel_count:     channels in channel list
+ * @quiet_time:                dwell time, in milliseconds, on quiet channel
+ * @quiet_plcp_th:     quiet channel num of packets threshold
+ * @good_CRC_th:       passive to active promotion threshold
+ * @rx_chain:          RXON rx chain.
+ * @max_out_time:      max TUs to be out of associated channel
+ * @suspend_time:      pause scan this TUs when returning to service channel
+ * @flags:             RXON flags
+ * @filter_flags:      RXONfilter
+ * @tx_cmd:            tx command for active scan; for 2GHz and for 5GHz.
+ * @direct_scan:       list of SSIDs for directed active scan
+ * @scan_type:         see enum iwl_scan_type.
+ * @rep_count:         repetition count for each scheduled scan iteration.
+ */
+struct iwl_scan_offload_cmd {
+       __le16 len;
+       u8 scan_flags;
+       u8 channel_count;
+       __le16 quiet_time;
+       __le16 quiet_plcp_th;
+       __le16 good_CRC_th;
+       __le16 rx_chain;
+       __le32 max_out_time;
+       __le32 suspend_time;
+       /* RX_ON_FLAGS_API_S_VER_1 */
+       __le32 flags;
+       __le32 filter_flags;
+       struct iwl_tx_cmd tx_cmd[2];
+       /* SCAN_DIRECT_SSID_IE_API_S_VER_1 */
+       struct iwl_ssid_ie direct_scan[PROBE_OPTION_MAX];
+       __le32 scan_type;
+       __le32 rep_count;
+} __packed;
+
+enum iwl_scan_offload_channel_flags {
+       IWL_SCAN_OFFLOAD_CHANNEL_ACTIVE         = BIT(0),
+       IWL_SCAN_OFFLOAD_CHANNEL_NARROW         = BIT(22),
+       IWL_SCAN_OFFLOAD_CHANNEL_FULL           = BIT(24),
+       IWL_SCAN_OFFLOAD_CHANNEL_PARTIAL        = BIT(25),
+};
+
+/* channel configuration for struct iwl_scan_offload_cfg. Each channels needs:
+ * __le32 type:        bitmap; bits 1-20 are for directed scan to i'th ssid and
+ *     see enum iwl_scan_offload_channel_flags.
+ * __le16 channel_number: channel number 1-13 etc.
+ * __le16 iter_count: repetition count for the channel.
+ * __le32 iter_interval: interval between two iterations on one channel.
+ * u8 active_dwell.
+ * u8 passive_dwell.
+ */
+#define IWL_SCAN_CHAN_SIZE 14
+
+/**
+ * iwl_scan_offload_cfg - SCAN_OFFLOAD_CONFIG_API_S
+ * @scan_cmd:          scan command fixed part
+ * @data:              scan channel configuration and probe request frames
+ */
+struct iwl_scan_offload_cfg {
+       struct iwl_scan_offload_cmd scan_cmd;
+       u8 data[0];
+} __packed;
+
+/**
+ * iwl_scan_offload_blacklist - 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_blacklist {
+       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,
+};
+
+/**
+ * iwl_scan_offload_profile - SCAN_OFFLOAD_PROFILE_S
+ * @ssid_index:                index to ssid list in fixed part
+ * @unicast_cipher:    encryption algorithm to match - bitmap
+ * @aut_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
+ */
+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;
+
+/**
+ * iwl_scan_offload_profile_cfg - SCAN_OFFLOAD_PROFILES_CFG_API_S_VER_1
+ * @blaclist:          AP list to filter off from scan results
+ * @profiles:          profiles to search for match
+ * @blacklist_len:     length of blacklist
+ * @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
+ */
+struct iwl_scan_offload_profile_cfg {
+       struct iwl_scan_offload_profile profiles[IWL_SCAN_MAX_PROFILES];
+       u8 blacklist_len;
+       u8 num_profiles;
+       u8 match_notify;
+       u8 pass_match;
+       u8 active_clients;
+       u8 any_beacon_notify;
+       u8 reserved[2];
+} __packed;
+
+/**
+ * iwl_scan_offload_schedule - 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_offload_schedule {
+       __le16 delay;
+       u8 iterations;
+       u8 full_scan_mul;
+} __packed;
+
+/*
+ * iwl_scan_offload_flags
+ *
+ * IWL_SCAN_OFFLOAD_FLAG_PASS_ALL: pass all results - no filtering.
+ * IWL_SCAN_OFFLOAD_FLAG_CACHED_CHANNEL: add cached channels to partial scan.
+ * IWL_SCAN_OFFLOAD_FLAG_EBS_QUICK_MODE: EBS duration is 100mSec - typical
+ *     beacon period. Finding channel activity in this mode is not guaranteed.
+ * IWL_SCAN_OFFLOAD_FLAG_EBS_ACCURATE_MODE: EBS duration is 200mSec.
+ *     Assuming beacon period is 100ms finding channel activity is guaranteed.
+ */
+enum iwl_scan_offload_flags {
+       IWL_SCAN_OFFLOAD_FLAG_PASS_ALL          = BIT(0),
+       IWL_SCAN_OFFLOAD_FLAG_CACHED_CHANNEL    = BIT(2),
+       IWL_SCAN_OFFLOAD_FLAG_EBS_QUICK_MODE    = BIT(5),
+       IWL_SCAN_OFFLOAD_FLAG_EBS_ACCURATE_MODE = BIT(6),
+};
+
+/**
+ * iwl_scan_offload_req - scan offload request command
+ * @flags:             bitmap - enum iwl_scan_offload_flags.
+ * @watchdog:          maximum scan duration in TU.
+ * @delay:             delay in seconds before first iteration.
+ * @schedule_line:     scan offload schedule, for fast and regular scan.
+ */
+struct iwl_scan_offload_req {
+       __le16 flags;
+       __le16 watchdog;
+       __le16 delay;
+       __le16 reserved;
+       struct iwl_scan_offload_schedule schedule_line[2];
+} __packed;
+
+enum iwl_scan_offload_compleate_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_offload_complete - SCAN_OFFLOAD_COMPLETE_NTF_API_S_VER_1
+ * @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_compleate_status
+ * @ebs_status: last EBS status, see IWL_SCAN_EBS_*
+ */
+struct iwl_scan_offload_complete {
+       u8 last_schedule_line;
+       u8 last_schedule_iteration;
+       u8 status;
+       u8 ebs_status;
+} __packed;
+
+/**
+ * iwl_sched_scan_results - SCAN_OFFLOAD_MATCH_FOUND_NTF_API_S_VER_1
+ * @ssid_bitmap:       SSIDs indexes found in this iteration
+ * @client_bitmap:     clients that are active and wait for this notification
+ */
+struct iwl_sched_scan_results {
+       __le16 ssid_bitmap;
+       u8 client_bitmap;
+       u8 reserved;
+};
+
+/* Unified LMAC scan API */
+
+#define IWL_MVM_BASIC_PASSIVE_DWELL 110
+
+/**
+ * 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),
+};
+
+/**
+ * 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_number:    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;
+
+/*
+ * 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;
+
+/* iwl_scan_probe_req - 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 {
+       struct iwl_scan_probe_segment mac_header;
+       struct iwl_scan_probe_segment band_data[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_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;
+
+/**
+ * iwl_mvm_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_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_MATCH            = BIT(9),
+};
+
+enum iwl_scan_priority {
+       IWL_SCAN_PRIORITY_LOW,
+       IWL_SCAN_PRIORITY_MEDIUM,
+       IWL_SCAN_PRIORITY_HIGH,
+};
+
+/**
+ * iwl_scan_req_unified_lmac - SCAN_REQUEST_CMD_API_S_VER_1
+ * @reserved1: for alignment and future use
+ * @channel_num: 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
+ * @reserved2: for alignment and future use
+ * @rx_chain_selct: 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_unified_lmac {
+       /* SCAN_REQUEST_FIXED_PART_API_S_VER_7 */
+       __le32 reserved1;
+       u8 n_channels;
+       u8 active_dwell;
+       u8 passive_dwell;
+       u8 fragmented_dwell;
+       __le16 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_offload_schedule schedule[2];
+       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;
+
+/**
+ * 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
+ */
+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 */
+
+/**
+ * struct iwl_mvm_umac_cmd_hdr - Command header for UMAC commands
+ * @size:      size of the command (not including header)
+ * @reserved0: for future use and alignment
+ * @ver:       API version number
+ */
+struct iwl_mvm_umac_cmd_hdr {
+       __le16 size;
+       u8 reserved0;
+       u8 ver;
+} __packed;
+
+#define IWL_MVM_MAX_SIMULTANEOUS_SCANS 8
+
+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),
+
+       /* 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),
+};
+
+/**
+ * struct iwl_scan_config
+ * @hdr: umac command header
+ * @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_active:              default dwell time for active scan
+ * @dwell_passive:             default dwell time for passive scan
+ * @dwell_fragmented:          default dwell time for fragmented scan
+ * @reserved:                  for future use and alignment
+ * @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 {
+       struct iwl_mvm_umac_cmd_hdr hdr;
+       __le32 flags;
+       __le32 tx_chains;
+       __le32 rx_chains;
+       __le32 legacy_rates;
+       __le32 out_of_channel_time;
+       __le32 suspend_time;
+       u8 dwell_active;
+       u8 dwell_passive;
+       u8 dwell_fragmented;
+       u8 reserved;
+       u8 mac_addr[ETH_ALEN];
+       u8 bcast_sta_id;
+       u8 channel_flags;
+       u8 channel_array[];
+} __packed; /* SCAN_CONFIG_DB_CMD_API_S */
+
+/**
+ * iwl_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 is aborted.
+ *@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)
+};
+
+/**
+ * struct iwl_scan_channel_cfg_umac
+ * @flags:             bitmap - 0-19:  directed scan to i'th ssid.
+ * @channel_num:       channel number 1-13 etc.
+ * @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;
+       u8 channel_num;
+       u8 iter_count;
+       __le16 iter_interval;
+} __packed; /* SCAN_CHANNEL_CFG_S_VER2 */
+
+/**
+ * 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 - 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 {
+       /* SCAN_PERIODIC_PARAMS_API_S_VER_1 */
+       struct iwl_scan_umac_schedule schedule[2];
+       __le16 delay;
+       __le16 reserved;
+       /* SCAN_PROBE_PARAMS_API_S_VER_1 */
+       struct iwl_scan_probe_req preq;
+       struct iwl_ssid_ie direct_scan[PROBE_OPTION_MAX];
+} __packed;
+
+/**
+ * struct iwl_scan_req_umac
+ * @hdr: umac command header
+ * @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
+ * @reserved1: for future use and alignment
+ * @active_dwell: dwell time for active scan
+ * @passive_dwell: dwell time for passive scan
+ * @fragmented_dwell: dwell time for fragmented passive scan
+ * @max_out_time: max out of serving channel time
+ * @suspend_time: max suspend time
+ * @scan_priority: scan internal prioritization &enum iwl_scan_priority
+ * @channel_flags: &enum iwl_scan_channel_flags
+ * @n_channels: num of channels in scan request
+ * @reserved2: for future use and alignment
+ * @data: &struct iwl_scan_channel_cfg_umac and
+ *     &struct iwl_scan_req_umac_tail
+ */
+struct iwl_scan_req_umac {
+       struct iwl_mvm_umac_cmd_hdr hdr;
+       __le32 flags;
+       __le32 uid;
+       __le32 ooc_priority;
+       /* SCAN_GENERAL_PARAMS_API_S_VER_1 */
+       __le32 general_flags;
+       u8 reserved1;
+       u8 active_dwell;
+       u8 passive_dwell;
+       u8 fragmented_dwell;
+       __le32 max_out_time;
+       __le32 suspend_time;
+       __le32 scan_priority;
+       /* SCAN_CHANNEL_PARAMS_API_S_VER_1 */
+       u8 channel_flags;
+       u8 n_channels;
+       __le16 reserved2;
+       u8 data[];
+} __packed; /* SCAN_REQUEST_CMD_UMAC_API_S_VER_1 */
+
+/**
+ * struct iwl_umac_scan_abort
+ * @hdr: umac command header
+ * @uid: scan id, &enum iwl_umac_scan_uid_offsets
+ * @flags: reserved
+ */
+struct iwl_umac_scan_abort {
+       struct iwl_mvm_umac_cmd_hdr hdr;
+       __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
+ * @scan 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 5
+/**
+ * struct iwl_scan_offload_profile_match - match information
+ * @bssid: matched bssid
+ * @channel: channel where the match occurred
+ * @energy:
+ * @matching_feature:
+ * @matching_channels: bitmap of channels that matched, referencing
+ *     the channels passed in tue 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_1 */
+
+/**
+ * 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[IWL_SCAN_MAX_PROFILES];
+} __packed; /* SCAN_OFFLOAD_PROFILES_QUERY_RSP_S_VER_2 */
+
+#endif