[openib-general] RDMA Writes in kernel mode

[Steve Wise]

On Tue, 2006-07-25 at 21:00 +0530, Ramachandra K wrote:
> Please correct me if I am wrong, but it seems none of the ULPs in the 
> Open Fabrics stack use RDMA Writes. Is it just because RDMA Write 
> semantics do not make sense in these ULPs or is there any other reason ?

> The reason I ask is because I am trying to do RDMA Writes in a kernel 
> module and even though I get RDMA Write completions, I do not see the 
> data on the remote peer. I am not really sure why this is happening. Can 
> any one hazard a guess as to the reason for this behavior of RDMA Writes ?
> 
> Also, is there any piece of code that does RDMA Writes in kernel mode ? 
> I would appreciate any pointers to such code. It will help me in 
> verifying my code to see if I am missing something.
> 

Check out krping: 

gen2/utils/src/linux-kernel/infiniband/util/krping/krping.c