Merge "wifi.proto: New Fields for Link Probe Metrics"

  // Total number of saved networks with mac randomization enabled.

  optional int32 num_saved_networks_with_mac_randomization = 138;

  // Link Probe metrics

  optional LinkProbeStats link_probe_stats = 139;

}

// Information that gets logged for every WiFi connection.

  // The total duration elapsed while in this mobility state, in ms

  optional int64 total_duration_ms = 3;

  // the total duration elapsed while in this mobility state with PNO scans running, in ms

  optional int64 pno_duration_ms = 4;

}

    optional int32 count = 3;

  }

}

// Histogram bucket counting with int32. Range is [start, end)

message HistogramBucketInt32 {

  // lower range of the bucket (inclusive)

  optional int32 start = 1;

  // upper range of the bucket (exclusive)

  optional int32 end = 2;

  // number of samples in the bucket

  optional int32 count = 3;

}

// Single entry in a map from int32 => int32

message MapEntryInt32Int32 {

  // the key

  optional int32 key = 1;

  // the value

  optional int32 value = 2;

}

message LinkProbeStats {

  enum LinkProbeFailureReason {

    // unknown reason

    LINK_PROBE_FAILURE_REASON_UNKNOWN = 0;

    // Specified MCS rate when it is unsupported by the driver.

    LINK_PROBE_FAILURE_REASON_MCS_UNSUPPORTED = 1;

    // Driver reported that no ACK was received for the transmitted probe.

    LINK_PROBE_FAILURE_REASON_NO_ACK = 2;

    // Driver failed to report on the status of the transmitted probe within the timeout.

    LINK_PROBE_FAILURE_REASON_TIMEOUT = 3;

    // An existing link probe is in progress.

    LINK_PROBE_FAILURE_REASON_ALREADY_STARTED = 4;

  }

  // Counts the number of failures for each failure reason.

  message LinkProbeFailureReasonCount {

    // The failure reason.

    optional LinkProbeFailureReason failure_reason = 1;

    // The number of occurrences for this failure reason.

    optional int32 count = 2;

  }

  // Counts the occurrences of RSSI values when a link probe succeeds.

  repeated MapEntryInt32Int32 success_rssi_counts = 1;

  // Counts the occurrences of RSSI values when a link probe fails.

  repeated MapEntryInt32Int32 failure_rssi_counts = 2;

  // Counts the occurrences of Link Speed values when a link probe succeeds.

  repeated MapEntryInt32Int32 success_link_speed_counts = 3;

  // Counts the occurrences of Link Speed values when a link probe fails.

  repeated MapEntryInt32Int32 failure_link_speed_counts = 4;

  // Histogram for the number of seconds since the last TX success when a link probe succeeds.

  repeated HistogramBucketInt32 success_seconds_since_last_tx_success_histogram = 5;

  // Histogram for the number of seconds since the last TX success when a link probe fails.

  repeated HistogramBucketInt32 failure_seconds_since_last_tx_success_histogram = 6;

  // Histogram for the elapsed time of successful link probes, in ms.

  repeated HistogramBucketInt32 success_elapsed_time_ms_histogram = 7;

  // Counts the occurrences of error codes for failed link probes.

  repeated LinkProbeFailureReasonCount failure_reason_counts = 8;

}