Re: [PATCH rdma-next] IB/cma: Send MRA for reply messages

[Doug Ledford <dledford-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>]

On Sun, 2017-04-16 at 07:31 +0300, Leon Romanovsky wrote:
> From: Moni Shoua <monis-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
> 
> Current implementation of RDMA_CM sends MRA (Message Receipt
> Acknowledgment) only for request messages but not for response
> messages.
> 
> As a result, a slow active side of the connection may send a ready-
> to-use
> message to the passive side in a delay that is too long for the
> passive
> side to wait for.
> 
> This patch adds a call to ib_send_cm_mra() upon receiving a response
> message and by this tells the other side to modify the service
> timeout
> to a bigger value, 16 times than before. As in the request case, MRA
> for reply will be sent only if a duplicate response has arrived.
> 
> Signed-off-by: Moni Shoua <monis-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
> Reviewed-by: Matan Barak <matan-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
> Signed-off-by: Leon Romanovsky <leon-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>

Thanks, applied.

-- 
Doug Ledford <dledford-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
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