The UDP GRO forwarding test still hard-code an arbitrary pause to wait for the UDP listener becoming ready in background.
That causes sporadic failures depending on the host load.
Replace the sleep with the existing helper waiting for the desired port being exposed.
Fixes: a062260a9d5f ("selftests: net: add UDP GRO forwarding self-tests") Signed-off-by: Paolo Abeni pabeni@redhat.com --- tools/testing/selftests/net/udpgro_fwd.sh | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/tools/testing/selftests/net/udpgro_fwd.sh b/tools/testing/selftests/net/udpgro_fwd.sh index 5fa8659ab13d..d6b9c759043c 100755 --- a/tools/testing/selftests/net/udpgro_fwd.sh +++ b/tools/testing/selftests/net/udpgro_fwd.sh @@ -1,6 +1,8 @@ #!/bin/bash # SPDX-License-Identifier: GPL-2.0
+source net_helper.sh + BPF_FILE="xdp_dummy.o" readonly BASE="ns-$(mktemp -u XXXXXX)" readonly SRC=2 @@ -119,7 +121,7 @@ run_test() { ip netns exec $NS_DST $ipt -A INPUT -p udp --dport 8000 ip netns exec $NS_DST ./udpgso_bench_rx -C 1000 -R 10 -n 10 -l 1300 $rx_args & local spid=$! - sleep 0.1 + wait_local_port_listen "$NS_DST" 8000 udp ip netns exec $NS_SRC ./udpgso_bench_tx $family -M 1 -s 13000 -S 1300 -D $dst local retc=$? wait $spid @@ -168,7 +170,7 @@ run_bench() { ip netns exec $NS_DST bash -c "echo 2 > /sys/class/net/veth$DST/queues/rx-0/rps_cpus" ip netns exec $NS_DST taskset 0x2 ./udpgso_bench_rx -C 1000 -R 10 & local spid=$! - sleep 0.1 + wait_local_port_listen "$NS_DST" 8000 udp ip netns exec $NS_SRC taskset 0x1 ./udpgso_bench_tx $family -l 3 -S 1300 -D $dst local retc=$? wait $spid