[ofw] [patch] [winverb] fix BS in WinVerbs when getting an event for non IB port

[Fab Tillier]

Hefty, Sean wrote on Sun, 12 Dec 2010 at 22:04:33

>> That said,  you bring up a good question: how is RoCE going to be
>> handled with this stack?  Is it going to show up as another HCA?  How
>> will WinVerbs work over RoCE ports?
> 
> Winverbs should be modified to work with RoCE regardless of the final
> implementation.  Does windows support a filter driver registering for
> multiple device classes?  (I'd guess so, even if it required different
> .inf files.)

Using the same filter for both IB and RoCE should work fine, the only issues are that we will need to be very careful about interface versions and driver updates, so that a system with both RoCE and IB doesn't just blue screen on a driver update due to some incompatibility.

-Fab