[ofw] IPoIB MAC address generation for HP port GUIDs
Tzachi Dar
tzachid at mellanox.co.il
Fri May 30 02:15:21 PDT 2008
Sure, just add one more company to the function ipoib_mac_from_guid
(port.c)
Thanks
Tzachi
> -----Original Message-----
> From: ofw-bounces at lists.openfabrics.org
> [mailto:ofw-bounces at lists.openfabrics.org] On Behalf Of Fab Tillier
> Sent: Friday, May 30, 2008 4:26 AM
> To: ofw at lists.openfabrics.org
> Subject: [ofw] IPoIB MAC address generation for HP port GUIDs
>
> Hi Folks,
>
> We have a cluster with Voltaire/HP HCAs. The port GUIDs are
> HP's (OUI == 0x0018FE), rather than Voltaire's (OUI ==
> 0x0008F1). The result is that the MAC addresses generated by
> IPoIB are of the locally administered address type - 0x02 in
> the first byte - which breaks DHCP support.
>
> Is there some algorithm for converting these GUIDs be added
> to IPoIB? Is it the same algorithm as for Voltaire GUIDs,
> just with a different OUI?
>
> Thanks!
> -Fab
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