Hi Jeniffer,
On Mon, Jun 4, 2018 at 8:35 PM, Nicolas Ferre
<nicolas.fe...@microchip.com> wrote:
> Jennifer,
>
> On 25/05/2018 at 23:44, Jennifer Dahm wrote:
>>
>> During testing, I discovered that the Zynq GEM hardware overwrites all
>> outgoing UDP packet checksums, which is illegal in packet forwarding
>> cases. This happens both with and without the checksum-zeroing
>> behavior introduced in 007e4ba3ee137f4700f39aa6dbaf01a71047c5f6
>> ("net: macb: initialize checksum when using checksum offloading"). The
>> only solution to both the small packet bug and the packet forwarding
>> bug that I can find is to disable TX checksum offloading entirely.
>
>
Thanks for the extensive testing.
I'll try to reproduce and see if it is something to be fixed in the driver.
> Are the bugs listed above present in all revisions of the GEM IP, only for
> some revisions?
> Is there an errata that describe this issue for the Zynq GEM?
@Nicolas, AFAIK, there is no errata for this in either Cadence or
Zynq documentation.
Regards,
Harini
