[ofa-general] Re: [ewg] [PATCH] libibmad: Handle MAD redirection

[Hal Rosenstock]

On Tue, Jun 30, 2009 at 2:53 PM, Jason
Gunthorpe<jgunthorpe at obsidianresearch.com> wrote:
> On Tue, Jun 30, 2009 at 02:37:26PM -0400, Hal Rosenstock wrote:
>
>> > If there is no GRH then you can use GID index 0 and a 0 TC and a 0
>> > FL. According to the spec returning the port GID is NOT optional.
>>
>> These are not needed when using LID based redirection (see
>> ClassPortInfo RedirectLID description).
>
> Hmm?
>
> RedirectGID RO 128 64 The GID a requester shall use as the destination
>                      GID in the GRH of messages used to access redirected class
>                      services. If redirection is not being
>                      performed, this shall be set to zero.
>
> They *might* not be used when the LID is returned, but they still
> must be set.

Sure; they can all be set to 0 as eHCA is doing now. That was all I
meant to say.

-- Hal

>
> --
> Jason Gunthorpe <jgunthorpe at obsidianresearch.com>        (780)4406067x832
> Chief Technology Officer, Obsidian Research Corp         Edmonton, Canada
>