Kanevsky, Arkady wrote:
Agree with initiator/client sending signalled 0B RDMA Read.
This will handle client side.
Still not 100% clear on passive/server side.
Two issues which bothers me.
1. Is "bogus" S-tag allowed for incomming RDMA ops?
The stag/to must not be validated if the incoming read is 0B length.
http://www.ietf.org/rfc/rfc5040.txt:
* If the Data Source receives an RDMA Read Request Header with the
RDMA Read Message Size set to zero, the Data Source RDMAP:
* MUST NOT validate the Data Source STag and Data Source Tagged
Offset contained in the RDMA Read Request Header, and
* MUST respond with a zero-length RDMA Read Response Message.
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