The userspace polls the kernel about every second to check counters and activity for each flow. The userspace determines when a flow should be deleted and tells the kernel to do it (ie, the kernel doesn't decide when flows should be deleted).
--Justin On Oct 15, 2012, at 8:38 AM, ankur dwivedi <ankurengg2...@gmail.com> wrote: > Hi, > > As expected active flows in the kernel space should not get deleted from > kernel space flow table, but how does kernel space notifies user space not to > delete the active flows? > > I browsed the code but unable to find any messages transferred between > kernel space and user space for the above scenario through the netlink > sockets used. > > -- > Thanks > > Ankur Dwivedi > > > _______________________________________________ > dev mailing list > dev@openvswitch.org > http://openvswitch.org/mailman/listinfo/dev _______________________________________________ dev mailing list dev@openvswitch.org http://openvswitch.org/mailman/listinfo/dev
