InfiniBand Network Architecture

RQ Operation Types

General

A WR is posted to the RQ to handle one of the following:

• an inbound message Send operation.

• an inbound RDMA Write With Immediate operation.

The WR is posted via execution of the Post Receive Request verb call. The WR serves one of the following functions:

• It identifies (via a Scatter Buffer List) the local buffer(s) into which an incoming Send message is written.

• It handles the optional immediate data item supplied in the final packet of an incoming RDMA Write operation. A dummy WR without a Scatter Buffer List may be used when expecting to receive immediate data delivered in the final packet of an RDMA Write.

RQ WQEs do not handle the following:

• Inbound RDMA Write Without Immediate operation.

• Inbound RDMA Read request. ...