Software Ver.2.0 Owner's manual

Packet Properties Properties and Programmatic Settings
CATC IBTrainer InfiniBand Exerciser API Reference 4-17
Extended Transport Header Fields
Depending on the opcode, different types of extended header fields are
present. These fields and the appropriate property values are listed
below. The Reliable Datagram Extended Transport Header (RDETH) is
always present if the packet is part of a reliable datagram message.
Table 17 Reliable Datagram Extended Transport Header (RDETH)
Property Name Range Default Description
RDETH_Reserved0
0 - 255 0 Reserved.
RDETH_EECnxt
0 – 2
24
0 EE-context
The Datagram Extended Transport Header (DETH) is present in every
packet that is part of a datagram request message.
Table 18 Datagram Extended Transport Header (DETH) Properties
Property Name Range Default Description
DETH_Q_Key
0 – 2
32
0 Queue Key.
DETH_Reserved32
0 - 255 0 Reserved.
DETH_SrcQP
0 – 2
24
0 Source QP.
The RDMA Extended Transport Header is present in the first packet of
a RDMA (Remote Direct Memory Access) request message.