netdev - [PATCH bpf] selftests/bpf: More compatible nc options in test_tc

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Date:   Fri, 18 Oct 2019 14:00:42 +0200
From:   Jiri Benc <jbenc@...hat.com>
To:     bpf@...r.kernel.org, netdev@...r.kernel.org
Cc:     Peter Oskolkov <posk@...gle.com>
Subject: [PATCH bpf] selftests/bpf: More compatible nc options in test_tc_edt

Out of the three nc implementations widely in use, at least two (BSD netcat
and nmap-ncat) do not support -l combined with -s. Modify the nc invocation
to be accepted by all of them.

Fixes: 7df5e3db8f63 ("selftests: bpf: tc-bpf flow shaping with EDT")
Cc: Peter Oskolkov <posk@...gle.com>
Signed-off-by: Jiri Benc <jbenc@...hat.com>
---
 tools/testing/selftests/bpf/test_tc_edt.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/testing/selftests/bpf/test_tc_edt.sh b/tools/testing/selftests/bpf/test_tc_edt.sh
index f38567ef694b..daa7d1b8d309 100755
--- a/tools/testing/selftests/bpf/test_tc_edt.sh
+++ b/tools/testing/selftests/bpf/test_tc_edt.sh
@@ -59,7 +59,7 @@ ip netns exec ${NS_SRC} tc filter add dev veth_src egress \
 
 # start the listener
 ip netns exec ${NS_DST} bash -c \
-	"nc -4 -l -s ${IP_DST} -p 9000 >/dev/null &"
+	"nc -4 -l -p 9000 >/dev/null &"
 declare -i NC_PID=$!
 sleep 1
 
-- 
2.18.1