[openib-general] [PATCH] osm: PathRecord prefer 1K MTU for MT23108 - not for MTU Sel=3

Hal Rosenstock halr at voltaire.com
Mon Sep 18 02:53:56 PDT 2006


Hi Eitan,

On Sun, 2006-09-17 at 10:52, Eitan Zahavi wrote:
> Hi Hal
> 
> We have reviewed the patch for the above and figured out there is an
> issue with it:
> Currently when MTU_SEL=3 the quirk applies.
> We think this is wrong behavior as MTU_SEL=3 means "max possible MTU" by 
> the IBTA spec. So if an application/ULP would like to get the max MTU possible 
> the correct answer is 2K for Tavor by the spec.
> So this patch fxies the quirk and when MTU_SEL=3 it does not apply the MTU
> limit quirk for Tavor devices.

Good catch. So compliancy over performance is preferred for this case.

Thanks. Applied to both trunk and 1.1

-- Hal





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