selftests: forwarding: fix race between packet receive and tc check
authorJiri Pirko <jiri@mellanox.com>
Thu, 28 Nov 2019 12:38:57 +0000 (13:38 +0100)
committerDavid S. Miller <davem@davemloft.net>
Sat, 30 Nov 2019 20:23:27 +0000 (12:23 -0800)
commit408469d31e9106878d2b3e428dcca9984664dfc9
tree7a24f0633aeb98e92a68b187ecb1264fcaff538b
parent14e54ab9143fa60794d13ea0a66c792a2046a8f3
selftests: forwarding: fix race between packet receive and tc check

It is possible that tc stats get checked before the packet we check for
actually arrived into the interface and accounted for.
Fix it by checking for the expected result in a loop until
timeout is reached (by default 1 second).

Fixes: 07e5c75184a1 ("selftests: forwarding: Introduce tc flower matching tests")
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
tools/testing/selftests/net/forwarding/tc_common.sh