[openib-general] RDMA write with immediate

Josh England jjengla at sandia.gov
Wed Jun 22 15:51:33 PDT 2005


Hi,

I'm trying to figure out how to do an RDMA write with immediate data.
I've got a regular RDMA write working and tried changing
wr.opcode  from  IBV_WR_RDMA_WRITE  to  IBV_WR_RDMA_WRITE_WITH_IMM
and stuffing a value in  wr.imm_data
to no avail.  The send fails.

Does anyone have an example of how to do this, or just a list of things
that need to be set up differently from a standard RDMA write operation?

Thanks in advance,

-JE




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