[ewg] APM over multiple HCA

[pavan tc]

Hi,

Did anyone get a chance to look at this? Is APM supported over multiple
HCAs?

Thanks,
Pavan


On Wed, May 15, 2013 at 8:22 AM, pavan tc <pavan.tc at gmail.com> wrote:

> Hi,
>
> Please respond to my mail address since I am not part of the ewg list.
>
> I am attempting APM over multiple HCAs. I would like to know if this is
> supported. I am unable to find documentation regarding the same.
>
> What are the fields of the ib_qp_attr structure I would need to initialize
> to get this to work? My understanding is that I would need to specify the
> SGID, SLID, DGID and DLID of the alternate path. But I don't find a
> location where I can specify the SGID and the SLID. The alt_ah_attr member
> of the ib_qp_attr structure seems to have the DGID and the DLID fields, but
> I am unable to locate a structure that holds the SGID and the SLID for the
> alternate path. All I see is a alt_port_num which seems to be useful only
> if I am using APM over the two ports of the same HCA.
>
> Thanks,
> Pavan
>
>
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