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selftests: forwarding: mirror_lib: Update ping limits

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The current ping intervals are too short for running mirroring tests in
simulator. This leads to ping sending a follow-up ping before the reply
arrives, thus sending more than the requested 10 ICMP requests. Those
are mirrored, and over a certain threshold the test case run is
considered a failure, because too much traffic is observed.

Bump interval and timeout numbers 5x in mirroring tests to address the
spurious failures.

Signed-off-by: Petr Machata <petrm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Petr Machata 2019-01-31 22:35:12 +00:00 committed by David S. Miller
parent b6a4fd6800
commit 0175cb5922
1 changed files with 3 additions and 2 deletions
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5
tools/testing/selftests/net/forwarding/mirror_lib.sh
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@ -29,10 +29,11 @@ mirror_test()
local pref=$1; shift local pref=$1; shift
local expect=$1; shift local expect=$1; shift
local ping_timeout=$((PING_TIMEOUT * 5))
local t0=$(tc_rule_stats_get $dev $pref) local t0=$(tc_rule_stats_get $dev $pref)
ip vrf exec $vrf_name \ ip vrf exec $vrf_name \
${PING} ${sip:+-I $sip} $dip -c 10 -i 0.1 -w $PING_TIMEOUT \ ${PING} ${sip:+-I $sip} $dip -c 10 -i 0.5 -w $ping_timeout \
&> /dev/null &> /dev/null
local t1=$(tc_rule_stats_get $dev $pref) local t1=$(tc_rule_stats_get $dev $pref)
local delta=$((t1 - t0)) local delta=$((t1 - t0))
# Tolerate a couple stray extra packets. # Tolerate a couple stray extra packets.