[ovs-dev] [v2] datapath: Update flow key before recirc

[Pravin Shelar]

On Mon, Aug 11, 2014 at 3:36 PM, Andy Zhou <azhou at nicira.com> wrote:
> When flow key becomes invalid due to push or pop actions, current
> implementation leaves it as invalid, only rebuild the flow key used
> for recirculation.
>
> This works, but is less efficient in case of multiple recirc
> actions. Each recirc action will have to re-extract
> its own flow keys.
>
> This patch update the original flow key as soon as the first recirc
> action is encountered, avoiding expensive flow extract call for any
> future recirc actions as long as the flow key remains valid.
>
> Signed-off-by: Andy Zhou <azhou at nicira.com>

looks good.

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