[openib-general] vendor_id field in device attributes

Hal Rosenstock halr at voltaire.com
Thu Aug 17 10:30:44 PDT 2006


On Wed, 2006-08-16 at 22:07, Sayantan Sur wrote:
> Hi,
> 
> I have a quick question. If I use ibv_query_device() to find out the IB 
> device properties, does the `vendor_id' field correspond to a unique HCA 
> vendor? For example, I get the value 713 for Mellanox HCAs. Can I expect 
> this to remain the same across various Gen2 installations?

VendorID is IEEE assigned per vendor. A vendor could obtain more than 1
ID from the IEEE if it uses up its assigned space (for GUIDs/MACs). Some
vendors do have more than one VendorID (aka OUI).

-- Hal

> Thanks,
> Sayantan.





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