WifiUsability proto for ML

  // Total wifi link layer usage data over the logging duration in ms.

  optional WifiLinkLayerUsageStats wifi_link_layer_usage_stats = 125;

  // Multiple lists of timestamped link layer stats with labels to represent whether wifi is usable

  repeated WifiUsabilityStats wifi_usability_stats_list = 126;

}

// Information that gets logged for every WiFi connection.

  // in ms over the logging duration.

  optional int64 radio_hs20_scan_time_ms = 10;

}

message WifiUsabilityStatsEntry {

  // Absolute milliseconds from device boot when these stats were sampled

  optional int64 time_stamp_ms = 1;

  // The RSSI at the sample time

  optional int32 rssi = 2;

  // Link speed at the sample time in Mbps

  optional int32 link_speed_mbps = 3;

  // The total number of tx success counted from the last radio chip reset

  optional int64 total_tx_success = 4;

  // The total number of MPDU data packet retries counted from the last radio chip reset

  optional int64 total_tx_retries = 5;

  // The total number of tx bad counted from the last radio chip reset

  optional int64 total_tx_bad = 6;

  // The total number of rx success counted from the last radio chip reset

  optional int64 total_rx_success = 7;

  // The total time the wifi radio is on in ms counted from the last radio chip reset

  optional int64 total_radio_on_time_ms = 8;

  // The total time the wifi radio is doing tx in ms counted from the last radio chip reset

  optional int64 total_radio_tx_time_ms = 9;

  // The total time the wifi radio is doing rx in ms counted from the last radio chip reset

  optional int64 total_radio_rx_time_ms = 10;

  // The total time spent on all types of scans in ms counted from the last radio chip reset

  optional int64 total_scan_time_ms = 11;

  // The total time spent on nan scans in ms counted from the last radio chip reset

  optional int64 total_nan_scan_time_ms = 12;

  // The total time spent on background scans in ms counted from the last radio chip reset

  optional int64 total_background_scan_time_ms = 13;

  // The total time spent on roam scans in ms counted from the last radio chip reset

  optional int64 total_roam_scan_time_ms = 14;

  // The total time spent on pno scans in ms counted from the last radio chip reset

  optional int64 total_pno_scan_time_ms = 15;

  // The total time spent on hotspot2.0 scans and GAS exchange in ms counted from the last radio

  // chip reset

  optional int64 total_hotspot_2_scan_time_ms = 16;

}

message WifiUsabilityStats {

  enum Label {

    // Default label

    LABEL_UNKNOWN = 0;

    // Wifi is usable

    LABEL_GOOD = 1;

    // Wifi is unusable

    LABEL_BAD = 2;

  }

  // The current wifi usability state

  optional Label label = 1;

  // The list of timestamped wifi usability stats

  repeated WifiUsabilityStatsEntry stats = 2;

}

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