From: Or Gerlitz <ogerlitz-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
To: Alan Cook
<acook-osxm6dDZNBBZx8iatJs59jGjJy/sRE9J@public.gmane.org>,
"Hefty,
Sean" <sean.hefty-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
Cc: linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: Re: Converting from RC to UC
Date: Sun, 13 Mar 2011 11:56:56 +0200 [thread overview]
Message-ID: <4D7C94E8.6070906@mellanox.com> (raw)
In-Reply-To: <loom.20110311T224601-402-eS7Uydv5nfjZ+VzJOa5vwg@public.gmane.org>
Alan Cook wrote:
> Roland Dreier<roland@...> writes:
>> How are you setting up the connection? My understanding is that the RDMA CM (ie librdmacm) does not handle UC, so if you are using that, it shouldn't work. Sean could confirm this.
>
> I am using RDMA CM. I have not seen any documentation that states it does not support UC, although I have not seen any documentation that says it does either. I have seen documentation regarding RDMA CM that talks about a connection not actually being established between queue pairs when using unreliable datagram (UD), but nothing regarding support for UC.
Alan, you haven't specified if you app is user space or kernel space
based, I assume the former, I believe that it either just works or can
be just made to work... e.g maybe a minor error on your side, or maybe
something small to change/complete on the rdma-cm side...
I'm copying the maintainer of the kernel rdma-cm and librdmacm, Sean -
should there any problem for librdmacm consumers to use UC at their apps?
Or.
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next prev parent reply other threads:[~2011-03-13 9:56 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-03-11 18:29 Converting from RC to UC Alan Cook
[not found] ` <loom.20110311T192125-878-eS7Uydv5nfjZ+VzJOa5vwg@public.gmane.org>
2011-03-11 18:58 ` Jason Gunthorpe
2011-03-11 20:10 ` Alan Cook
[not found] ` <AANLkTikqv-WYcL3_=5HRU6mVORLydNgcqv-5_VYkJrbC@mail.gmail.com>
[not found] ` <AANLkTikqv-WYcL3_=5HRU6mVORLydNgcqv-5_VYkJrbC-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2011-03-11 21:54 ` Jason Gunthorpe
2011-03-11 21:57 ` Alan Cook
2011-03-11 21:42 ` Roland Dreier
2011-03-11 21:55 ` Alan Cook
[not found] ` <loom.20110311T224601-402-eS7Uydv5nfjZ+VzJOa5vwg@public.gmane.org>
2011-03-11 22:07 ` Jason Gunthorpe
2011-03-13 9:56 ` Or Gerlitz [this message]
2011-03-14 1:08 ` Alan Cook
[not found] ` <loom.20110314T020520-335-eS7Uydv5nfjZ+VzJOa5vwg@public.gmane.org>
2011-03-14 15:05 ` frank zago
[not found] ` <AANLkTimM0PDiWuHFJfn3s-JVEKWHVVfL4+2Kcc4+G5C7-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2011-03-14 15:26 ` Hefty, Sean
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