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From: Jason Gunthorpe <jgunthorpe-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
To: Or Gerlitz <ogerlitz-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
Cc: "Hefty,
	Sean" <sean.hefty-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>,
	"linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
	<linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
	Moni Shoua <monis-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>,
	Oren Duer <oren-VPRAkNaXOzVS1MOuV/RT9w@public.gmane.org>
Subject: Re: REQ GID enforcement in the CM
Date: Thu, 27 Oct 2011 10:55:22 -0600	[thread overview]
Message-ID: <20111027165522.GA16878@obsidianresearch.com> (raw)
In-Reply-To: <4EA9672F.2010601-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>

On Thu, Oct 27, 2011 at 04:14:07PM +0200, Or Gerlitz wrote:

> Looking on that case, I noted that the CM code (SB) checks that the
> GID in the incoming REQ is present in at least of one the ports of
> the relevant device, but not specifically on the port this request
> arrived to, is that following IBTA? I thought it could be
> problematic e.g in the case of RC QP being set by this
> establishment, later the RC packets would be dropped by the device
> if they have GRH and the GID isn't on that port table, isn't that?

You can use the CM to establish a connection on another port, eg send
CM GMPs to port 1, specify the primary data path is port 2 and specify
the alternate data path is port 1.

Jason
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  parent reply	other threads:[~2011-10-27 16:55 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-10-27 14:14 REQ GID enforcement in the CM Or Gerlitz
     [not found] ` <4EA9672F.2010601-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
2011-10-27 16:55   ` Jason Gunthorpe [this message]
     [not found]     ` <20111027165522.GA16878-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2011-10-30 10:14       ` Or Gerlitz
     [not found]         ` <4EAD239A.2050702-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
2011-10-31 18:19           ` Jason Gunthorpe

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