[ofa-general] Re: IPoIB NETIF_F_SG flag for GSO

Shirley Ma xma at us.ibm.com
Wed May 23 21:56:33 PDT 2007





Hello Michael,

> Yes. SG currently needs csum offloading, and IPoIB does not
> support that.
> --
> MST

SG should have nothing to do with CSUM. They are two different features,
one is for scatter/gather IO, one is HW can checksum all the packets. If
you look at net device feature, NETIF_F_SG & NETIF_F_HW_CSUM are different
flags.

What did you get when enabling IPoIB SG? I rememerbed there was a
discussion in net-dev before.

Thanks
Shirley Ma
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.openfabrics.org/pipermail/general/attachments/20070523/0538b52e/attachment.html>


More information about the general mailing list