On Fri, Jun 06, 2014 at 10:57:25AM +0100, Thomas Graf wrote: > On 06/05/14 at 10:02pm, Ben Pfaff wrote: > > In OpenFlow, a single "flow_mod" operation can change the actions (and > > some other properties) of an arbitrary number of flows. Until now, > > Open vSwitch has assumed that any subset of these operations could > > fail. However, it has come out in discussion in the OpenFlow extensibility > > working group that "partial failure" of a flow table operation is > > undesirable, and furthermore that it should be possible to avoid it on > > hardware implementations. (The latter is the reason that Open vSwitch > > permitted it to be with.) > > > > This commit changes Open vSwitch to check whether all of a set of flow > > table modifications will succeed before it initiates any of them. > > This will not change visible behavior of the Open vSwitch software > > switch, which never failed flow table modifications anyway. It might > > change behavior of some hardware implementation, but I don't actually know > > of any. > > > > ONF-JIRA: EXT-362. > > Signed-off-by: Ben Pfaff <[email protected]> > > LGTM > > Acked-by: Thomas Graf <[email protected]>
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