[ovs-discuss] questions about flow table when using DPDK

[Ben Pfaff]

On Tue, Mar 29, 2016 at 12:10:38AM +0800, 刘超 wrote:
> Hi, I have a question about deploying openvswitch with DPDK
> 
> 
> As we know, normal network package will first go through openvswitch.ko to find a flow table entry in the kernel, if not found, then the package will go to user mode to look for the flow table entry.
> 
> 
> But If we use DPDK, the package arriving at the DPDK port directly goes to the user mode, will it go to the kernel mode again and then back to user mode? or it just looks for the flow table entry in the user mode and bypass the kernel flow table directly.

No kernel module is involved at all when OVS uses DPDK.