syntax = "proto2";

package rootcanal.configuration;
option optimize_for = CODE_SIZE;

enum ControllerPreset {
  // Version 5.3, all features enabled, all quirks disabled.
  DEFAULT = 0;
}

message ControllerFeatures {
  optional bool le_extended_advertising = 1;
  optional bool le_periodic_advertising = 2;
  optional bool ll_privacy = 3;
  optional bool le_2m_phy = 4;
  optional bool le_coded_phy = 5;
}

message ControllerQuirks {
  // Randomly send ACL payloads before the Connection Complete event
  // is sent to the Host stack.
  optional bool send_acl_data_before_connection_complete = 1;
  // Configure a default value for the LE random address.
  optional bool has_default_random_address = 2;
  // Send the Role Change event before the Connection Complete event
  // in the case where a role switch is initiated at connection establishment.
  optional bool send_role_change_before_connection_complete = 3;
  // Send an Hardware Error event if any command is called before HCI Reset.
  optional bool hardware_error_before_reset = 4;
}

message Controller {
  // Configure the controller preset. Presets come with a pre-selection
  // of features and quirks, but these can be overridden with the next fields.
  optional ControllerPreset preset = 1;
  // Configure support for controller features.
  optional ControllerFeatures features = 2;
  // Enable controller quirks.
  // Quirks are behaviors observed in real controllers that are not valid
  // according to the specification.
  optional ControllerQuirks quirks = 3;
}

message TcpServer {
  // Configure the TCP port on which the controller with this defined
  // configuration will be served.
  required int32 tcp_port = 1;
  // Controller configuration for this port.
  optional Controller configuration = 2;
}

message Configuration {
  repeated TcpServer tcp_server = 1;
}