Afaik
OVS-DPDK only supports egress-policing qos
http://openvswitch.org/support/dist-docs/ovs-vswitchd.conf.db.5.pdf
see egress--policer

On 3/20/17, 10:30 PM, "[email protected] on behalf of Ali 
Volkan Atli" <[email protected] on behalf of 
[email protected]> wrote:

    
    Hi all
    
    I need to specify a number of classes of service according to DSCP bits. 
Each class of service should be associated with a priority. For example: Packet 
A is sent with a DSCP value of 0 and packet B is sent with a value of 46; 0 has 
a lower priority than 46. Packet A arrives before packet B. If DPDK-OvS has 
been configured as such, Packet B will be transmitted before Packet A.
    
    I know that hardware switches have been designed to ensure certain classes 
of traffic can be scheduled ahead of other classes, also kernel mode OvS has 
the similar behavior coming from Linux kernel (tc, qdisk etc..). However, does 
DPDK-OvS have the same behavior? In master branch, I could not find any kind of 
scheduler to achieve this behavior. 
    
    Thanks in advance..
    
    - Volkan
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