[openib-general] [PATCH for-2.6.18] IB/cma: option to limitMTU to 1K

Michael S. Tsirkin mst at mellanox.co.il
Wed Sep 13 13:56:08 PDT 2006


Quoting r. Sean Hefty <sean.hefty at intel.com>:
> Subject: RE: [openib-general] [PATCH for-2.6.18] IB/cma: option to limitMTU to 1K
> 
> >Putting knowledge about hw quirks in all protocols is really horrible.
> 
> Agreed.
> 
> >MTU should be decided by SA as part of path information.
> >If ULPs have spicific limitations wrt MTU they should use mtu selector
> >in path record query.
> 
> Thinking about this more, the proper place for this does seem to be in the
> selection of the path record (where you put it), rather than during connection
> establishment.
> 
> Although, I don't like the idea of the CMA changing every path to use an MTU of
> 1k.

Well, that's why it's off by default.
So, Ack?

-- 
MST




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