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

[Luo Zhenhua]

Hi Clemens, 

Which SDK version(branch) do you use? Meanwhile you can try to post the proboem in https://community.freescale.com/. 


Best Regards,

Zhenhua

> -----Original Message-----
> From: meta-freescale-bounces at yoctoproject.org [mailto:meta-freescale-
> bounces at yoctoproject.org] On Behalf Of Clemens Eisserer
> Sent: Wednesday, November 11, 2015 12:17 AM
> To: meta-freescale at yoctoproject.org
> Subject: [meta-freescale] UDP jumbo packet loss on T2080RDB and out-of-
> order receive
> 
> 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
> 
> Thank you in advance, Clemens
> --
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