On Wed, Jan 21, 2015 at 4:42 PM, Joe Stringer <joestrin...@nicira.com> wrote: > Previously, flows were manipulated by userspace specifying a full, > unmasked flow key. This adds significant burden onto flow > serialization/deserialization, particularly when dumping flows. > > This patch adds an alternative way to refer to flows using a > variable-length "unique flow identifier" (UFID). At flow setup time, > userspace may specify a UFID for a flow, which is stored with the flow > and inserted into a separate table for lookup, in addition to the > standard flow table. Flows created using a UFID must be fetched or > deleted using the UFID. > > All flow dump operations may now be made more terse with OVS_UFID_F_* > flags. For example, the OVS_UFID_F_OMIT_KEY flag allows responses to > omit the flow key from a datapath operation if the flow has a > corresponding UFID. This significantly reduces the time spent assembling > and transacting netlink messages. With all OVS_UFID_F_OMIT_* flags > enabled, the datapath only returns the UFID and statistics for each flow > during flow dump, increasing ovs-vswitchd revalidator performance by 40% > or more. > > Signed-off-by: Joe Stringer <joestrin...@nicira.com>
Looks good. Acked-by: Pravin B Shelar <pshe...@nicira.com> Thanks. _______________________________________________ dev mailing list dev@openvswitch.org http://openvswitch.org/mailman/listinfo/dev
