[ovs-dev] [PATCH v4] ovs-vswitchd: An option to wait for userspace flow restore to complete.

Ben Pfaff blp at nicira.com
Thu May 30 23:20:12 UTC 2013


On Thu, May 30, 2013 at 01:53:06PM +0000, Gurucharan Shetty wrote:
> While upgrading openvswitch, it helps to restore openflow flows before
> starting packet processing.  Typically we want to restart openvswitch,
> add the openflow flows and then start packet processing.
> 
> To do this, we look for the other_config:flow-restore-wait column
> in the Open_vSwitch table during startup. If set as true, we disable
> receiving packets from the datapath, expiring or flushing flows and
> running any periodic ofproto activities. This option does not prevent
> the addition and deletion of ports. Once this option is set to false,
> we return to normal processing.
> 
> An upcoming commit will use this feature in Open vSwitch startup scripts.
> 
> Bug #16086.
> Signed-off-by: Gurucharan Shetty <gshetty at nicira.com>

Looks good, thanks.



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