[meta-freescale] UDP jumbo packet loss on T2080RDB and out-of-order receive

[Fabio Estevam]

On Tue, Nov 10, 2015 at 2:17 PM, Clemens Eisserer <linuxhippy at gmail.com> wrote:
> Hi,
>
> I am trying to receive a stream of 9k jumbo frames on one of our
> T2080RDBs (simply using recvfrom), however even a very low rate
> (12MB/s on average) frequently UDP packages are lost. Furthermore the
> packets are received out-of-order e.g. :0, 8, 1, 2, 10, 3, 11, 4, 5,
> 6, .....
> While receiving the stream, I see an equal number of interrupts on
> QMAN-Portal0 through QMAN-Portal-7.
> PF_PACKET / PACKET_RX_RING for packet capturing also doesn't seem to
> work - is this unsupported by DPAA?
>
> So to summerize - any idea what could cause the following issues:
> * UDP jumbo packet loss
> * UDP jumbo packets are received out-of-order

What kernel version is this?

I would suggest you to report this to the netdev at vger.kernel.org mailing list.