Re: [RFC] ib_srpt: initial .40-rc1 drivers/infiniband/ulp/srpt merge

From: Bart Van Assche
Date: Wed May 18 2011 - 14:03:18 EST

On Wed, May 18, 2011 at 7:05 PM, Jason Gunthorpe
<jgunthorpe@xxxxxxxxxxxxxxxxxxxx> wrote:
> On Wed, May 18, 2011 at 06:59:36PM +0200, Bart Van Assche wrote:
>> As far as I know InfiniBand HCAs have either one or two ports. If
>> there are two ports present, at most one is active at any time.
> This is not true, many installations run dual rail IB with a desire
> for both ports to be active and handling traffic at once. Not sure how
> this translates to SRPT, but a good goal would be for a SRPT target to
> be available on both HCA ports and support APM between them, at the
> discretion of the client.

Thanks for the feedback. I'm still wondering though about the
usefulness of disabling / enabling SRPT per HCA port. For the use
cases I know about SRP communication over all target ports will be
enabled as soon as target configuration has finished and more
fine-grained access configuration will occur by allowing/disallowing
certain initiators to log in.

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