openvswitch: Allow attaching helper in later commit
This patch allows to attach conntrack helper to a confirmed conntrack entry. Currently, we can only attach alg helper to a conntrack entry when it is in the unconfirmed state. This patch enables an use case that we can firstly commit a conntrack entry after it passed some initial conditions. After that the processing pipeline will further check a couple of packets to determine if the connection belongs to a particular application, and attach alg helper to the connection in a later stage. Signed-off-by: Yi-Hung Wei <yihung.wei@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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