[ofw] Patch that enable support for 4K MTU size

[Tzachi Dar]

Yes, the user has to change that if all the machines in this subnet
supports 4k mtu.

Thanks
Tzachi 

> -----Original Message-----
> From: ofw-bounces at lists.openfabrics.org 
> [mailto:ofw-bounces at lists.openfabrics.org] On Behalf Of Fab Tillier
> Sent: Tuesday, July 08, 2008 6:44 PM
> To: Alex Naslednikov; ofw at lists.openfabrics.org
> Subject: RE: [ofw] Patch that enable support for 4K MTU size
> 
> >Index: ulp/ipoib/kernel/ipoib_driver.h
> >===================================================================
> >--- ulp/ipoib/kernel/ipoib_driver.h (revision 2702)
> >+++ ulp/ipoib/kernel/ipoib_driver.h (revision 2703)
> >@@ -47,8 +47,8 @@
> >  */
> > #define MAX_BUNDLE_ID_LENGTH 32
> >
> >-
> >-#define IB_MTU   2048
> >+/* MLX4 supports 4K MTU */
> >+#define IB_MTU   4096
> 
> Does a user running on a 4K MTU link need to change the MTU 
> adapter property to take advantage of this?
> 
> -Fab
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