Keep RDC Operational If a QP Goes Down
General
The EEC is a common resource utilized by its client RD QPs to perform message transfers. It is therefore very important that errors related to a QP rather than the EEC must not result in crashing the EEC. Examples of errors that must not crash the EEC would be a Q_Key miscompare, an R_Key violation, or the receipt of an RNR Nak. The sections that follow provide a detailed discussion of the various types of errors that may be encountered by an EEC during a message transfer and how they are handled.
Error Handling for Requester-Detected Conditions
Receipt of an RNR Nak Causes Suspend Followed by Restart
When the EEC Send Logic receives an RNR Nak in response to a request packet, the EEC decrements ...
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