Fix the way tcpdump is executed by:
- Using the right variable for the namespace. Currently the use of the
empty "ns" makes the command fail.
- Waiting until it starts to capture to ensure the interesting traffic
is caught on slow systems.
- Using line-buffered output to ensure logs are available when the test
is paused with "-p". Otherwise the last chunk of data might only be
written when tcpdump is killed.
Fixes: 74cc26f416b9 ("selftests: openvswitch: add interface support")
Signed-off-by: Adrian Moreno <amore...@redhat.com>
---
tools/testing/selftests/net/openvswitch/openvswitch.sh | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/tools/testing/selftests/net/openvswitch/openvswitch.sh
b/tools/testing/selftests/net/openvswitch/openvswitch.sh
index cc0bfae2bafa..960e1ab4dd04 100755
--- a/tools/testing/selftests/net/openvswitch/openvswitch.sh
+++ b/tools/testing/selftests/net/openvswitch/openvswitch.sh
@@ -171,8 +171,10 @@ ovs_add_netns_and_veths () {
ovs_add_if "$1" "$2" "$4" -u || return 1
fi
- [ $TRACING -eq 1 ] && ovs_netns_spawn_daemon "$1" "$ns" \
- tcpdump -i any -s 65535
+ if [ $TRACING -eq 1 ]; then
+ ovs_netns_spawn_daemon "$1" "$3" tcpdump -l -i any -s 6553
+ ovs_wait grep -q "listening on any" ${ovs_dir}/stderr
+ fi
return 0
}
--
2.47.1
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