[openib-general] port num in port priv

Hal Rosenstock halr at voltaire.com
Fri Feb 10 13:46:06 PST 2006


On Fri, 2006-02-10 at 13:56, Hal Rosenstock wrote:
> On Thu, 2006-02-09 at 10:55, Roland Dreier wrote:
> > The current code probably needs to be extended to give
> > the upper layers the port number where a MAD was received, and also to
> > make it possible to specify the port number that a directed route MAD
> > will be sent on.
> 
> On the receive side, the port_num is part of the WC for DR SMPs.
> On the send side, the port_num is part of the WR (for DR SMPs).
> So at least that part is covered as far as I can tell. 

While this is supported, one issue is that in order to obtain the
port_num on the send side, the optional ib_query_ah must be implemented
as the ib_mad_send_buf only contains an ah and not a port_num.

Is there a better way to handle this ?

-- Hal

> There are some changes I can see and of course, the SMI has not been
> exercised for switch forwarding so there could be some issues there.
> 
> -- Hal
> 
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