This thread has been locked.

If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.

SK-TDA4VM: qbu sub-interface problem(SK-TDA4)

Part Number: SK-TDA4VM

  1. Our own qbu program encapsulates a layer of vlan with the type of 0x876d.

  2. We run our qbu program on sub interface.

  3.And we send data through iperf, and at the same time we send data through sockets in user space, Iperf commands are as follows

       iperf3 -c 192.168.100.20 -u -b500M -l1472 -t300

       iperf3 -s

      It mapped to queue 0.

  4.And ethtool -l eth0 like this:

    

 5.Then we send data through sockets in user space with priority 3.

    We found that there are two layers of vlan,like this:

  

And it get priority 0,and then mapped to queue 0.

6.How can we get priority 3 and mapped to queue 3?

  

  • Hi,

    Sorry for the delayed response.

    Are you still facing this issue?

    If yeas, can you share the socket application you are using with me.

    Have you tried to send any priority 3 packets using tc filter and iperf. You can reference this document to do so.

    You will have to increase the number of queues used by CPSW to more than 3 as well. You can do this by using the command : "ethtool -L eth0 tx 3"

    Regards,
    Tanmay