From: "Matthew L. Creech" <mlcre...@gmail.com> Date: Thu, 18 Nov 2010 14:31:46 -0500
> On Thu, Nov 18, 2010 at 12:06 PM, David Miller <da...@davemloft.net> wrote: >> >> Can someone please follow up Matthew to get this bug resolved? It has >> been sitting around for a long time. >> >> I suspect the gianfar driver, for these chip revisions, will need to >> do a software checksum when the offset matches the criteria mentioned >> in the errata above. >> > > I added a patch for this which fixes our affected systems; however, I > don't know if this is a good way to perform checksum offloading, I > just kind of dug around until I found a function that seemed like it > worked. :) Patch against 2.6.36 is below for reference. It looks fine except I would limit the software checksum to the exact conditions listed in the errate. Otherwise this is going to hurt performance and cpu utilization quite a bit. _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev
