Wifi Metrics STA event list

  // Histogram of the delta between scan result RSSI and RSSI polls

  repeated RssiPollCount rssi_poll_delta_count = 51;

  // List of events

  repeated StaEvent sta_event_list = 52;

}

// Information that gets logged for every WiFi connection.

  // Result of attempt to start SoftAp

  optional SoftApStartResult start_result = 3;

}

message StaEvent {

  message ConfigInfo {

    // The set of key management protocols supported by this configuration.

    optional uint32 allowed_key_management = 1 [default = 0];

    // The set of security protocols supported by this configuration.

    optional uint32 allowed_protocols = 2 [default = 0];

    // The set of authentication protocols supported by this configuration.

    optional uint32 allowed_auth_algorithms = 3 [default = 0];

    // The set of pairwise ciphers for WPA supported by this configuration.

    optional uint32 allowed_pairwise_ciphers = 4 [default = 0];

    // The set of group ciphers supported by this configuration.

    optional uint32 allowed_group_ciphers = 5;

    // Is this a 'hidden network'

    optional bool hidden_ssid = 6;

    // Is this a Hotspot 2.0 / passpoint network

    optional bool is_passpoint = 7;

    // Is this an 'ephemeral' network (Not in saved network list, recommended externally)

    optional bool is_ephemeral = 8;

    // Has a successful connection ever been established using this WifiConfiguration

    optional bool has_ever_connected = 9;

    // RSSI of the scan result candidate associated with this WifiConfiguration

    optional int32 scan_rssi = 10 [default = -127];

    // Frequency of the scan result candidate associated with this WifiConfiguration

    optional int32 scan_freq = 11 [default = -1];

  }

  enum EventType {

    // Default/Invalid event

    TYPE_UNKNOWN = 0;

    // Supplicant Association Rejection event. Code contains the 802.11

    TYPE_ASSOCIATION_REJECTION_EVENT = 1;

    // Supplicant L2 event,

    TYPE_AUTHENTICATION_FAILURE_EVENT = 2;

    // Supplicant L2 event

    TYPE_NETWORK_CONNECTION_EVENT = 3;

    // Supplicant L2 event

    TYPE_NETWORK_DISCONNECTION_EVENT = 4;

    // Supplicant L2 event

    TYPE_SUPPLICANT_STATE_CHANGE_EVENT = 5;

    // Supplicant L2 event

    TYPE_CMD_ASSOCIATED_BSSID = 6;

    // IP Manager successfully completed IP Provisioning

    TYPE_CMD_IP_CONFIGURATION_SUCCESSFUL = 7;

    // IP Manager failed to complete IP Provisioning

    TYPE_CMD_IP_CONFIGURATION_LOST = 8;

    // IP Manager lost reachability to network neighbors

    TYPE_CMD_IP_REACHABILITY_LOST = 9;

    // Indicator that Supplicant is targeting a BSSID for roam/connection

    TYPE_CMD_TARGET_BSSID = 10;

    // Wifi framework is initiating a connection attempt

    TYPE_CMD_START_CONNECT = 11;

    // Wifi framework is initiating a roaming connection attempt

    TYPE_CMD_START_ROAM = 12;

    // SystemAPI connect() command, Settings App

    TYPE_CONNECT_NETWORK = 13;

    // Network Agent has validated the internet connection (Captive Portal Check success, or user

    // validation)

    TYPE_NETWORK_AGENT_VALID_NETWORK = 14;

    // Framework initiated disconnect. Sometimes generated to give an extra reason for a disconnect

    // Should typically be followed by a NETWORK_DISCONNECTION_EVENT with a local_gen = true

    TYPE_FRAMEWORK_DISCONNECT = 15;

  }

  enum FrameworkDisconnectReason {

    // default/none/unknown value

    DISCONNECT_UNKNOWN = 0;

    // API DISCONNECT

    DISCONNECT_API = 1;

    // Some framework internal reason (generic)

    DISCONNECT_GENERIC = 2;

    // Network Agent network validation failed, user signaled network unwanted

    DISCONNECT_UNWANTED = 3;

    // Roaming timed out

    DISCONNECT_ROAM_WATCHDOG_TIMER = 4;

    // P2P service requested wifi disconnect

    DISCONNECT_P2P_DISCONNECT_WIFI_REQUEST = 5;

    // SIM was removed while using a SIM config

    DISCONNECT_RESET_SIM_NETWORKS = 6;

  }

  // Authentication Failure reasons as reported through the API.

  enum AuthFailureReason {

    // Unknown default

    AUTH_FAILURE_UNKNOWN = 0;

    // The reason code if there is no error during authentication. It could also imply that there no

    // authentication in progress,

    AUTH_FAILURE_NONE = 1;

    // The reason code if there was a timeout authenticating.

    AUTH_FAILURE_TIMEOUT = 2;

    // The reason code if there was a wrong password while authenticating.

    AUTH_FAILURE_WRONG_PSWD = 3;

    // The reason code if there was EAP failure while authenticating.

    AUTH_FAILURE_EAP_FAILURE = 4;

  }

  // What event was this

  optional EventType type = 1;

  // 80211 death reason code, relevant to NETWORK_DISCONNECTION_EVENTs

  optional int32 reason = 2 [default = -1];

  // 80211 Association Status code, relevant to ASSOCIATION_REJECTION_EVENTs

  optional int32 status = 3 [default = -1];

  // Designates whether a NETWORK_DISCONNECT_EVENT was by the STA or AP

  optional bool local_gen = 4 [default = false];

  // Network information from the WifiConfiguration of a framework initiated connection attempt

  optional ConfigInfo config_info = 5;

  // RSSI from the last rssi poll (Only valid for active connections)

  optional int32 last_rssi = 6 [default = -127];

  // Link speed from the last rssi poll (Only valid for active connections)

  optional int32 last_link_speed = 7 [default = -1];

  // Frequency from the last rssi poll (Only valid for active connections)

  optional int32 last_freq = 8 [default = -1];

  // Enum used to define bit positions in the supplicant_state_change_bitmask

  // See {@code frameworks/base/wifi/java/android/net/wifi/SupplicantState.java} for documentation

  enum SupplicantState {

    STATE_DISCONNECTED = 0;

    STATE_INTERFACE_DISABLED = 1;

    STATE_INACTIVE = 2;

    STATE_SCANNING = 3;

    STATE_AUTHENTICATING = 4;

    STATE_ASSOCIATING = 5;

    STATE_ASSOCIATED = 6;

    STATE_FOUR_WAY_HANDSHAKE = 7;

    STATE_GROUP_HANDSHAKE = 8;

    STATE_COMPLETED = 9;

    STATE_DORMANT = 10;

    STATE_UNINITIALIZED = 11;

    STATE_INVALID = 12;

  }

  // Bit mask of all supplicant state changes that occured since the last event

  optional uint32 supplicant_state_changes_bitmask = 9 [default = 0];

  // The number of milliseconds that have elapsed since the device booted

  optional int64 start_time_millis = 10 [default = 0];

  optional FrameworkDisconnectReason framework_disconnect_reason = 11 [default = DISCONNECT_UNKNOWN];

  // Flag which indicates if an association rejection event occured due to a timeout

  optional bool association_timed_out = 12 [default = false];

  // Authentication failure reason, as reported by WifiManager (calculated from state & deauth code)

  optional AuthFailureReason auth_failure_reason = 13 [default = AUTH_FAILURE_UNKNOWN];

}