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pf tests: make pfsync:defer test more robust
Set the defer timeout to 2.5 seconds, and only make sure that there's at least a second of delay between the pfsync packet and the ping packet. The intent is to allow the test to pass even when there's considerable jitter on the timing measurement (e.g. when the test runs in a VM, such as during the CI tests). Allow the test to run in CI. Sponsored by: Rubicon Communications, LLC ("Netgate")
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@ -125,10 +125,6 @@ defer_body()
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{
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pfsynct_init
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if [ "$(atf_config_get ci false)" = "true" ]; then
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atf_skip "Skip know failing test (likely related to https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=260460)"
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fi
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epair_sync=$(vnet_mkepair)
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epair_in=$(vnet_mkepair)
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epair_out=$(vnet_mkepair)
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@ -141,6 +137,9 @@ defer_body()
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jexec alcatraz arp -s 203.0.113.2 00:01:02:03:04:05
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jexec alcatraz sysctl net.inet.ip.forwarding=1
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# Set a long defer delay
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jexec alcatraz sysctl net.pfsync.defer_delay=2500
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jexec alcatraz ifconfig pfsync0 \
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syncdev ${epair_sync}a \
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maxupd 1 \
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@ -119,13 +119,12 @@ def main():
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if not got_ping:
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sys.exit(2)
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if got_pfsync > got_ping:
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# Deferred packets are delayed around 2.5s (unless the pfsync peer, which
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# we don't have here, acks their state update earlier)
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# Expect at least a second of delay, to be somewhat robust against
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# scheduling-induced jitter.
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if (sent_ping + 1) > got_ping:
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sys.exit(3)
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# Deferred packets are delayed up to 20ms (unless the pfsync peer, which we
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# don't have here, acks their state update earlier)
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if (sent_ping + 0.020) > got_ping:
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sys.exit(4)
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if __name__ == '__main__':
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main()
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