From: Steve Wise <swise-7bPotxP6k4+P2YhJcF5u+vpXobYPEAuW@public.gmane.org>
To: "Hefty, Sean" <sean.hefty-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
Cc: Or Gerlitz <ogerlitz-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>,
Doug Ledford <dledford-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>,
"Marciniszyn,
Mike" <mike.marciniszyn-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>,
"linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
<linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>
Subject: Re: Problem running rping over Intel adapters
Date: Thu, 04 Oct 2012 10:08:48 -0500 [thread overview]
Message-ID: <506DA680.5080706@opengridcomputing.com> (raw)
In-Reply-To: <1828884A29C6694DAF28B7E6B8A8237346A99126-Q3cL8pyY+6ukrb+BlOpmy7fspsVTdybXVpNB7YpNyf8@public.gmane.org>
On 10/4/2012 10:01 AM, Hefty, Sean wrote:
>> retry_count, I assume, is for connection establishment? For the Chelsio
>> devices, this is all up to the TCP stack and thus this counter is not
>> used. If there is no TCP listener, then the connection establishment
>> will fail immediately. If the node is not reachable, then normal TCP
>> retransmit rules apply, but once TCP gives up, then the rdma connection
>> establishment will fail.
> On IB, this is a transport level retry of a lost request.
Ah, ok. Regardless, TCP handles all that for IWARP and we currently
don't provide the rdma application any way to manipulate the TCP behavior.
Steve.
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next prev parent reply other threads:[~2012-10-04 15:08 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-10-03 21:40 Problem running rping over Intel adapters Doug Ledford
[not found] ` <506CB0E9.90201-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2012-10-03 21:50 ` Hefty, Sean
[not found] ` <1828884A29C6694DAF28B7E6B8A8237346A98E58-Q3cL8pyY+6ukrb+BlOpmy7fspsVTdybXVpNB7YpNyf8@public.gmane.org>
2012-10-03 21:57 ` Doug Ledford
[not found] ` <506CB4D8.4010604-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2012-10-03 22:02 ` Hefty, Sean
[not found] ` <1828884A29C6694DAF28B7E6B8A8237346A98E8E-Q3cL8pyY+6ukrb+BlOpmy7fspsVTdybXVpNB7YpNyf8@public.gmane.org>
2012-10-03 22:05 ` Doug Ledford
2012-10-04 1:47 ` Steve Wise
[not found] ` <506CEAC1.9070808-7bPotxP6k4+P2YhJcF5u+vpXobYPEAuW@public.gmane.org>
2012-10-04 5:41 ` Or Gerlitz
[not found] ` <506D2174.10601-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
2012-10-04 14:27 ` Steve Wise
[not found] ` <506D9CD2.20606-7bPotxP6k4+P2YhJcF5u+vpXobYPEAuW@public.gmane.org>
2012-10-04 15:01 ` Hefty, Sean
[not found] ` <1828884A29C6694DAF28B7E6B8A8237346A99126-Q3cL8pyY+6ukrb+BlOpmy7fspsVTdybXVpNB7YpNyf8@public.gmane.org>
2012-10-04 15:08 ` Steve Wise [this message]
2012-10-03 22:38 ` Hefty, Sean
[not found] ` <1828884A29C6694DAF28B7E6B8A8237346A98ECB-Q3cL8pyY+6ukrb+BlOpmy7fspsVTdybXVpNB7YpNyf8@public.gmane.org>
2012-10-04 13:55 ` Marciniszyn, Mike
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