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/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
/*
* Copyright (C) 2024-2025 Intel Corporation
*/
#ifndef __iwl_mld_scan_h__
#define __iwl_mld_scan_h__
int iwl_mld_alloc_scan_cmd(struct iwl_mld *mld);
int iwl_mld_regular_scan_start(struct iwl_mld *mld, struct ieee80211_vif *vif,
struct cfg80211_scan_request *req,
struct ieee80211_scan_ies *ies);
void iwl_mld_int_mlo_scan(struct iwl_mld *mld, struct ieee80211_vif *vif);
void iwl_mld_handle_scan_iter_complete_notif(struct iwl_mld *mld,
struct iwl_rx_packet *pkt);
int iwl_mld_scan_stop(struct iwl_mld *mld, int type, bool notify);
int iwl_mld_sched_scan_start(struct iwl_mld *mld,
struct ieee80211_vif *vif,
struct cfg80211_sched_scan_request *req,
struct ieee80211_scan_ies *ies,
int type);
void iwl_mld_handle_match_found_notif(struct iwl_mld *mld,
struct iwl_rx_packet *pkt);
void iwl_mld_handle_scan_complete_notif(struct iwl_mld *mld,
struct iwl_rx_packet *pkt);
int iwl_mld_mac80211_get_survey(struct ieee80211_hw *hw, int idx,
struct survey_info *survey);
void iwl_mld_handle_channel_survey_notif(struct iwl_mld *mld,
struct iwl_rx_packet *pkt);
#define WFA_TPC_IE_LEN 9
static inline int iwl_mld_scan_max_template_size(void)
{
#define MAC_HDR_LEN 24
#define DS_IE_LEN 3
#define SSID_IE_LEN 2
/* driver create the 802.11 header, WFA TPC IE, DS parameter and SSID IE */
#define DRIVER_TOTAL_IES_LEN \
(MAC_HDR_LEN + WFA_TPC_IE_LEN + DS_IE_LEN + SSID_IE_LEN)
BUILD_BUG_ON(SCAN_OFFLOAD_PROBE_REQ_SIZE < DRIVER_TOTAL_IES_LEN);
return SCAN_OFFLOAD_PROBE_REQ_SIZE - DRIVER_TOTAL_IES_LEN;
}
void iwl_mld_report_scan_aborted(struct iwl_mld *mld);
enum iwl_mld_scan_status {
IWL_MLD_SCAN_NONE = 0,
IWL_MLD_SCAN_REGULAR = BIT(0),
IWL_MLD_SCAN_SCHED = BIT(1),
IWL_MLD_SCAN_NETDETECT = BIT(2),
IWL_MLD_SCAN_INT_MLO = BIT(3),
};
/* enum iwl_mld_pass_all_sched_results_states - Defines the states for
* handling/passing scheduled scan results to mac80211
* @SCHED_SCAN_PASS_ALL_STATE_DISABLED: Don't pass all scan results, only when
* a match found.
* @SCHED_SCAN_PASS_ALL_STATE_ENABLED: Pass all scan results is enabled
* (no filtering).
* @SCHED_SCAN_PASS_ALL_STATE_FOUND: A scan result is found, pass it on the
* next scan iteration complete notification.
*/
enum iwl_mld_pass_all_sched_results_states {
SCHED_SCAN_PASS_ALL_STATE_DISABLED,
SCHED_SCAN_PASS_ALL_STATE_ENABLED,
SCHED_SCAN_PASS_ALL_STATE_FOUND,
};
/**
* enum iwl_mld_traffic_load - Levels of traffic load
*
* @IWL_MLD_TRAFFIC_LOW: low traffic load
* @IWL_MLD_TRAFFIC_MEDIUM: medium traffic load
* @IWL_MLD_TRAFFIC_HIGH: high traffic load
*/
enum iwl_mld_traffic_load {
IWL_MLD_TRAFFIC_LOW,
IWL_MLD_TRAFFIC_MEDIUM,
IWL_MLD_TRAFFIC_HIGH,
};
/**
* struct iwl_mld_scan - Scan data
* @status: scan status, a combination of %enum iwl_mld_scan_status,
* reflects the %scan.uid_status array.
* @uid_status: array to track the scan status per uid.
* @start_tsf: start time of last scan in TSF of the link that requested
* the scan.
* @last_ebs_failed: true if the last EBS (Energy Based Scan) failed.
* @pass_all_sched_res: see %enum iwl_mld_pass_all_sched_results_states.
* @fw_link_id: the current (regular) scan fw link id, used by scan
* complete notif.
* @traffic_load: traffic load related data
* @traffic_load.last_stats_ts_usec: The timestamp of the last statistics
* notification, used to calculate the elapsed time between two
* notifications and determine the traffic load
* @traffic_load.status: The current traffic load status, see
* &enum iwl_mld_traffic_load
* @cmd_size: size of %cmd.
* @cmd: pointer to scan cmd buffer (allocated once in op mode start).
* @last_6ghz_passive_jiffies: stores the last 6GHz passive scan time
* in jiffies.
* @last_start_time_jiffies: stores the last start time in jiffies
* (interface up/reset/resume).
* @last_mlo_scan_time: start time of the last MLO scan in nanoseconds since
* boot.
*/
struct iwl_mld_scan {
/* Add here fields that need clean up on restart */
struct_group(zeroed_on_hw_restart,
unsigned int status;
u32 uid_status[IWL_MAX_UMAC_SCANS];
u64 start_tsf;
bool last_ebs_failed;
enum iwl_mld_pass_all_sched_results_states pass_all_sched_res;
u8 fw_link_id;
struct {
u32 last_stats_ts_usec;
enum iwl_mld_traffic_load status;
} traffic_load;
);
/* And here fields that survive a fw restart */
size_t cmd_size;
void *cmd;
unsigned long last_6ghz_passive_jiffies;
unsigned long last_start_time_jiffies;
u64 last_mlo_scan_time;
};
/**
* struct iwl_mld_survey_channel - per-channel survey information
*
* Driver version of &struct survey_info with just the data we want to report.
*
* @time: time in ms the radio was on the channel
* @time_busy: time in ms the channel was sensed busy
* @noise: channel noise in dBm
*/
struct iwl_mld_survey_channel {
u32 time;
u32 time_busy;
s8 noise;
};
/**
* struct iwl_mld_survey - survey information
*
* Survey information for all available channels.
*
* @bands: per-band array for per-channel survey data, points into @channels
* @n_channels: Number of @channels entries that are allocated
* @channels: per-channel information
*/
struct iwl_mld_survey {
struct iwl_mld_survey_channel *bands[NUM_NL80211_BANDS];
int n_channels;
struct iwl_mld_survey_channel channels[] __counted_by(n_channels);
};
#endif /* __iwl_mld_scan_h__ */
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