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2016-12-19make test: work around timing issue in bfd testKlement Sekera1-1/+1
Change-Id: I3f70091950b9288670969e54eadd35ac733905e4 Signed-off-by: Klement Sekera <ksekera@cisco.com>
2016-12-16make test: improve robustness and performanceKlement Sekera1-1/+1
Introduce an API which asserts empty capture for interface. Throw exception in old API if the capture does not exist, thus making it clear if the test expects packets to arrive or not. Improve performance by not doing sleeps after starting the packet generator, rather lazily deleting captures when needed. Fix wrong usage of packet.show() in various tests. Change-Id: I456cb23316eef99b3f35f80344fe595c4db9a21c Signed-off-by: Klement Sekera <ksekera@cisco.com>
2016-12-09BFD: handle timing wheel prematurely firing eventsKlement Sekera1-3/+3
Improve handling of timeouts. Add a workaround for when timing wheel fires an event a tiny amount of time before it should actually be fired. Don't delete unneeded events at all from timing wheel, instead ignoring unexpected events. Enable the skipped BFD test, which passes now. Change-Id: I6ffd4fc0ba7a049ffe63bb0e5290641a7300dd6f Signed-off-by: Klement Sekera <ksekera@cisco.com>
2016-12-09BFD: fix timing in the main loopKlement Sekera1-34/+35
Properly wakeup the main process loop only when necessary to avoid missed events. Improve BFD unit test reliability and speed. Add timestamps to logs and replace Queue with more efficient deque. Change-Id: I01255a02057d3146917b43b669ccdc74f31ef0c8 Signed-off-by: Klement Sekera <ksekera@cisco.com>
2016-12-08BFD: improve ip header handling, fix assertKlement Sekera1-0/+1
Instead of storing a pointer, store an offset within vlib_buffer marking the start of the ip header (similar to storing start of ethernet header). Handle negative timeout in the bfd process main loop. Change-Id: I05a1ff3ac41da5bdc3b2ac6f9e03b3241994688b Signed-off-by: Klement Sekera <ksekera@cisco.com>
2016-12-07BFD: basic asynchronous session up/downKlement Sekera1-0/+273
This is a work-in-progress basic BFD session handling. Only asynchronous mode is supported at the moment. Setting the session flags doesn't work. Change-Id: Idba27f721b5c35be5a66a6d202a63d23ff7ecf6f Signed-off-by: Klement Sekera <ksekera@cisco.com>