SOME/IP报文格式-Return Code

Return Code [8 Bit]

The Return Code is used to signal whether a request was successfully been processed. For simpliﬁcation of the header layout, every message transports the ﬁeld Return Code.
Return Code用于表示request是否已成功处理。为了简化header布局，每条消息都传输Return代码。
Messages of Type REQUEST, REQUEST_NO_RETURN, and Notiﬁcation have to set the Return Code to 0x00 (E_OK). The allowed Return Codes for speciﬁc message types are:
类型为REQUEST, REQUEST_NO_RETURN和Notification的消息必须将返回码设置为0x00（E_OK）。允许的特定消息类型的返回码是：

ID	Name	Description
0x00	E_OK	No error occurred
0x01	E_NOT_OK	An unspeciﬁed error occurred
0x02	E_UNKNOWN_SERVICE	The requested Service ID is unknown.
0x03	E_UNKNOWN_METHOD	The requested Method ID is unknown. Service ID is known.
0x04	E_NOT_READY	Service ID and Method ID are known. Application not running.
0x05	E_NOT_REACHABLE	System running the service is not reachable (internal error code only).
0x06	E_TIMEOUT	A timeout occurred (internal error code only).
0x07	E_WRONG_PROTOCOL_ VERSION	Version of SOME/IP protocol not supported
0x08	E_WRONG_INTERFACE_ VERSION	Interface version mismatch
0x09	E_MALFORMED_MESSAGE	Deserialization error, so that payload cannot be deserialized.
0x0a	E_WRONG_MESSAGE_TYPE	An unexpected message type was received (e.g. REQUEST_NO_RETURN for a method deﬁned as REQUEST.)
0x0b – 0x1f	RESERVED	Reserved for generic SOME/IP errors. These errors will be speciﬁed in future versions of this document.
0x20 – 0x3f	RESERVED	Reservedforspeciﬁcerrorsofservicesand methods. These errors are speciﬁed by the interface speciﬁcation.

Note注意：
The Return Code is is not applicable for SOME/IP-SD.
Return Code不适用于SOME / IP-SD。