[ofa-general] [PATCH] ipoib: refresh path when remote lid changes

[Moni Shoua]

Hal Rosenstock wrote:
> 
> 
> On Wed, Jul 29, 2009 at 8:16 AM, Moni Shoua <monis at voltaire.com
> <mailto:monis at voltaire.com>> wrote:
> 
> 
>     >     > Is the LMC in the above from the local port ? Unfortunately, LMC
>     >     is not
>     >     > required to be uniform across the subnet so the remote
>     port's LMC may
>     >     > not be the same as that on the local port.
>     >
>     >     opensm configures the same LMC to all endports (CA) in the
>     fabric so
>     >     in which case do you suspect that
>     >     it will be different?
>     >
>     >
>     > I wasn't talking about the simplification that OpenSM uses but rather
>     > what IBA allows. There may be other SMs which do this or OpenSM
>     could be
>     > extended (with additional configuration for this).
>     >
>     > -- Hal
> 
>     So I guess a possible solutions for that is to query each suspected
>     node before making a decision to flush it.
>     When getting the node info response the true LMC can be put in the
>     LID check function.
> 
>  
> I'm not following how you are saying to determine the true LMC (of the
> remote port).
>  
Send PortInfo query for that port