[ovs-dev] [dpdk patch v4 2/5] dpif-netdev: Create multiple tx/rx queues when adding dpdk interface.

[Pravin Shelar]

On Fri, Sep 12, 2014 at 3:04 PM, Alex Wang <alexw at nicira.com> wrote:
> Before this commit, ovs creates one tx and one rx queue for
> each dpdk interface and uses only one poll thread for handling
> I/O of all dpdk interfaces.  An upcoming patch will allow multiple
> poll threads be created.  As a preparation, this commit changes
> the dpif-netdev to create multiple tx/rx queues when the dpdk
> interface is added.
>
> Specifically, the number of rx queues will still be one per-dpdk
> interface for this commit.  But upcoming work will allow user
> create multiple rx queues.  The number of tx queues will be the
> number of cpu cores on the machine.  Although not all the tx queues
> will be used, each poll thread will have its own queue for
> transmission on the dpdk interface.
>
> Signed-off-by: Alex Wang <alexw at nicira.com>

LGTM
Acked-by: Pravin B Shelar <pshelar at nicira.com>