1 /* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */ 2 /* 3 * Copyright (C) 2024-2025 Intel Corporation 4 */ 5 #ifndef __iwl_mld_scan_h__ 6 #define __iwl_mld_scan_h__ 7 8 int iwl_mld_alloc_scan_cmd(struct iwl_mld *mld); 9 10 int iwl_mld_regular_scan_start(struct iwl_mld *mld, struct ieee80211_vif *vif, 11 struct cfg80211_scan_request *req, 12 struct ieee80211_scan_ies *ies); 13 14 void iwl_mld_int_mlo_scan(struct iwl_mld *mld, struct ieee80211_vif *vif); 15 16 void iwl_mld_handle_scan_iter_complete_notif(struct iwl_mld *mld, 17 struct iwl_rx_packet *pkt); 18 19 int iwl_mld_scan_stop(struct iwl_mld *mld, int type, bool notify); 20 21 int iwl_mld_sched_scan_start(struct iwl_mld *mld, 22 struct ieee80211_vif *vif, 23 struct cfg80211_sched_scan_request *req, 24 struct ieee80211_scan_ies *ies, 25 int type); 26 27 void iwl_mld_handle_match_found_notif(struct iwl_mld *mld, 28 struct iwl_rx_packet *pkt); 29 30 void iwl_mld_handle_scan_complete_notif(struct iwl_mld *mld, 31 struct iwl_rx_packet *pkt); 32 33 int iwl_mld_mac80211_get_survey(struct ieee80211_hw *hw, int idx, 34 struct survey_info *survey); 35 36 void iwl_mld_handle_channel_survey_notif(struct iwl_mld *mld, 37 struct iwl_rx_packet *pkt); 38 39 #define WFA_TPC_IE_LEN 9 40 41 static inline int iwl_mld_scan_max_template_size(void) 42 { 43 #define MAC_HDR_LEN 24 44 #define DS_IE_LEN 3 45 #define SSID_IE_LEN 2 46 47 /* driver create the 802.11 header, WFA TPC IE, DS parameter and SSID IE */ 48 #define DRIVER_TOTAL_IES_LEN \ 49 (MAC_HDR_LEN + WFA_TPC_IE_LEN + DS_IE_LEN + SSID_IE_LEN) 50 51 BUILD_BUG_ON(SCAN_OFFLOAD_PROBE_REQ_SIZE < DRIVER_TOTAL_IES_LEN); 52 53 return SCAN_OFFLOAD_PROBE_REQ_SIZE - DRIVER_TOTAL_IES_LEN; 54 } 55 56 void iwl_mld_report_scan_aborted(struct iwl_mld *mld); 57 58 enum iwl_mld_scan_status { 59 IWL_MLD_SCAN_NONE = 0, 60 IWL_MLD_SCAN_REGULAR = BIT(0), 61 IWL_MLD_SCAN_SCHED = BIT(1), 62 IWL_MLD_SCAN_NETDETECT = BIT(2), 63 IWL_MLD_SCAN_INT_MLO = BIT(3), 64 }; 65 66 /* enum iwl_mld_pass_all_sched_results_states - Defines the states for 67 * handling/passing scheduled scan results to mac80211 68 * @SCHED_SCAN_PASS_ALL_STATE_DISABLED: Don't pass all scan results, only when 69 * a match found. 70 * @SCHED_SCAN_PASS_ALL_STATE_ENABLED: Pass all scan results is enabled 71 * (no filtering). 72 * @SCHED_SCAN_PASS_ALL_STATE_FOUND: A scan result is found, pass it on the 73 * next scan iteration complete notification. 74 */ 75 enum iwl_mld_pass_all_sched_results_states { 76 SCHED_SCAN_PASS_ALL_STATE_DISABLED, 77 SCHED_SCAN_PASS_ALL_STATE_ENABLED, 78 SCHED_SCAN_PASS_ALL_STATE_FOUND, 79 }; 80 81 /** 82 * enum iwl_mld_traffic_load - Levels of traffic load 83 * 84 * @IWL_MLD_TRAFFIC_LOW: low traffic load 85 * @IWL_MLD_TRAFFIC_MEDIUM: medium traffic load 86 * @IWL_MLD_TRAFFIC_HIGH: high traffic load 87 */ 88 enum iwl_mld_traffic_load { 89 IWL_MLD_TRAFFIC_LOW, 90 IWL_MLD_TRAFFIC_MEDIUM, 91 IWL_MLD_TRAFFIC_HIGH, 92 }; 93 94 /** 95 * struct iwl_mld_scan - Scan data 96 * @status: scan status, a combination of %enum iwl_mld_scan_status, 97 * reflects the %scan.uid_status array. 98 * @uid_status: array to track the scan status per uid. 99 * @start_tsf: start time of last scan in TSF of the link that requested 100 * the scan. 101 * @last_ebs_failed: true if the last EBS (Energy Based Scan) failed. 102 * @pass_all_sched_res: see %enum iwl_mld_pass_all_sched_results_states. 103 * @fw_link_id: the current (regular) scan fw link id, used by scan 104 * complete notif. 105 * @traffic_load: traffic load related data 106 * @traffic_load.last_stats_ts_usec: The timestamp of the last statistics 107 * notification, used to calculate the elapsed time between two 108 * notifications and determine the traffic load 109 * @traffic_load.status: The current traffic load status, see 110 * &enum iwl_mld_traffic_load 111 * @cmd_size: size of %cmd. 112 * @cmd: pointer to scan cmd buffer (allocated once in op mode start). 113 * @last_6ghz_passive_jiffies: stores the last 6GHz passive scan time 114 * in jiffies. 115 * @last_start_time_jiffies: stores the last start time in jiffies 116 * (interface up/reset/resume). 117 * @last_mlo_scan_time: start time of the last MLO scan in nanoseconds since 118 * boot. 119 */ 120 struct iwl_mld_scan { 121 /* Add here fields that need clean up on restart */ 122 struct_group(zeroed_on_hw_restart, 123 unsigned int status; 124 u32 uid_status[IWL_MAX_UMAC_SCANS]; 125 u64 start_tsf; 126 bool last_ebs_failed; 127 enum iwl_mld_pass_all_sched_results_states pass_all_sched_res; 128 u8 fw_link_id; 129 struct { 130 u32 last_stats_ts_usec; 131 enum iwl_mld_traffic_load status; 132 } traffic_load; 133 ); 134 /* And here fields that survive a fw restart */ 135 size_t cmd_size; 136 void *cmd; 137 unsigned long last_6ghz_passive_jiffies; 138 unsigned long last_start_time_jiffies; 139 u64 last_mlo_scan_time; 140 }; 141 142 /** 143 * struct iwl_mld_survey_channel - per-channel survey information 144 * 145 * Driver version of &struct survey_info with just the data we want to report. 146 * 147 * @time: time in ms the radio was on the channel 148 * @time_busy: time in ms the channel was sensed busy 149 * @noise: channel noise in dBm 150 */ 151 struct iwl_mld_survey_channel { 152 u32 time; 153 u32 time_busy; 154 s8 noise; 155 }; 156 157 /** 158 * struct iwl_mld_survey - survey information 159 * 160 * Survey information for all available channels. 161 * 162 * @bands: per-band array for per-channel survey data, points into @channels 163 * @n_channels: Number of @channels entries that are allocated 164 * @channels: per-channel information 165 */ 166 struct iwl_mld_survey { 167 struct iwl_mld_survey_channel *bands[NUM_NL80211_BANDS]; 168 169 int n_channels; 170 struct iwl_mld_survey_channel channels[] __counted_by(n_channels); 171 }; 172 173 #endif /* __iwl_mld_scan_h__ */ 174