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Message-ID: <4d58900fb09cef42749cfcf2ad7f4b91a97d225c.1706131762.git.pabeni@redhat.com>
Date: Wed, 24 Jan 2024 22:33:22 +0100
From: Paolo Abeni <pabeni@...hat.com>
To: netdev@...r.kernel.org
Cc: "David S. Miller" <davem@...emloft.net>,
Eric Dumazet <edumazet@...gle.com>,
Jakub Kicinski <kuba@...nel.org>,
Shuah Khan <shuah@...nel.org>,
Willem de Bruijn <willemb@...gle.com>,
Lucas Karpinski <lkarpins@...hat.com>,
linux-kselftest@...r.kernel.org
Subject: [PATCH net 3/3] selftests: net: explicitly wait for listener ready
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@...hat.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
--
2.43.0
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