[ofw] ib-diags: compatability issue with ibstat

[Hal Rosenstock]

On Fri, Sep 23, 2011 at 12:40 PM, Hefty, Sean <sean.hefty at intel.com> wrote:

> So far, it seems that the choices are:
>
> 1. Remove ibstat and use ibv_devinfo instead
> 2. Change ibstat to obtain the fdr10 information using ibverbs
> 3. Move the is_fdr10 functionality into OS specific files or code sections
> of ibstat
> 4. Change ibstat to obtain fdr10 data using MADs or some other OS
> independent mechanism
> 5. Change ibumad so that it provides the fdr10 data
>   Note: umad has OS dependent implementation anyway, but the windows umad
> would
>         depend on the data being available from ibverbs
> 6. ???
>
> Can someone explain why the information can't come from the umad_port::rate
> field?
>

Because fdr10 is non standard, there's no rate for this; it overloads QDR
based rates as both are 10 Gbps but have different link encodings.

-- Hal


>
> - Sean
>
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