[openib-general] Forcing IB link state down

[Viswanath Krishnamurthy]

On 23 Sep 2005 13:59:28 -0400, Hal Rosenstock <halr at voltaire.com> wrote:
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> Hi Viswa,
>
> On Fri, 2005-09-23 at 13:55, Viswanath Krishnamurthy wrote:
> > Is there an API or command to force an IB link to go down.
>
> Not currently.
>
> > This will be helpful in running tests on opensm.
>
> Yes, I can understand that. Technically (per the IBA spec), the SM is
> the only one allowed to do Sets. I think it would be possible to have a
> diag command do this as long as the MKey protection is weak (which it is
> now). A better way might be to have a CLI on the OpenSM and be able to
> issue a down command to a port.



I was looking if mthca driver has any API/ioctl to disable/enable the link..

-Viswa


-- Hal
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