+ /// \r
+ /// When transmission finishes or meets any unexpected error it will \r
+ /// be set to one of the following values:\r
+ /// EFI_SUCCESS: The receiving or transmission operation \r
+ /// completes successfully.\r
+ /// EFI_CONNECTION_FIN: The receiving operation fails because the communication peer \r
+ /// has closed the connection and there is no more data in the \r
+ /// receive buffer of the instance.\r
+ /// Note: It is not defined in UEFI 2.3 Specification.\r
+ /// EFI_CONNECTION_RESET: The receiving or transmission operation fails\r
+ /// because this connection is reset either by instance \r
+ /// itself or the communication peer.\r
+ /// EFI_ABORTED: The receiving or transmission is aborted.\r
+ /// EFI_TIMEOUT: The transmission timer expires and no more \r
+ /// specific information is available.\r
+ /// EFI_NETWORK_UNREACHABLE: The transmission fails \r
+ /// because an ICMP network unreachable error is received. \r
+ /// EFI_HOST_UNREACHABLE: The transmission fails because an \r
+ /// ICMP host unreachable error is received. \r
+ /// EFI_PROTOCOL_UNREACHABLE: The transmission fails \r
+ /// because an ICMP protocol unreachable error is received. \r
+ /// EFI_PORT_UNREACHABLE: The transmission fails and an \r
+ /// ICMP port unreachable error is received. \r
+ /// EFI_ICMP_ERROR: The transmission fails and some other \r
+ /// ICMP error is received. \r
+ /// EFI_DEVICE_ERROR: An unexpected system or network error occurs.\r
+ /// EFI_NO_MEDIA: There was a media error.\r
+ ///\r