netdev - [PATCH net] selftests: net: fix rps_default

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Message-ID: <20240119151248.3476897-1-kuba@kernel.org>
Date: Fri, 19 Jan 2024 07:12:48 -0800
From: Jakub Kicinski <kuba@...nel.org>
To: davem@...emloft.net
Cc: netdev@...r.kernel.org,
	edumazet@...gle.com,
	pabeni@...hat.com,
	Jakub Kicinski <kuba@...nel.org>,
	shuah@...nel.org,
	horms@...nel.org,
	linux-kselftest@...r.kernel.org
Subject: [PATCH net] selftests: net: fix rps_default_mask with >32 CPUs

If there is more than 32 cpus the bitmask will start to contain
commas, leading to:

./rps_default_mask.sh: line 36: [: 00000000,00000000: integer expression expected

Remove the commas, bash doesn't interpret leading zeroes as oct
so that should be good enough.

Fixes: c12e0d5f267d ("self-tests: introduce self-tests for RPS default mask")
Signed-off-by: Jakub Kicinski <kuba@...nel.org>
---
CC: shuah@...nel.org
CC: horms@...nel.org
CC: linux-kselftest@...r.kernel.org
---
 tools/testing/selftests/net/rps_default_mask.sh | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/tools/testing/selftests/net/rps_default_mask.sh b/tools/testing/selftests/net/rps_default_mask.sh
index a26c5624429f..f8e786e220b6 100755
--- a/tools/testing/selftests/net/rps_default_mask.sh
+++ b/tools/testing/selftests/net/rps_default_mask.sh
@@ -33,6 +33,10 @@ chk_rps() {
 
 	rps_mask=$($cmd /sys/class/net/$dev_name/queues/rx-0/rps_cpus)
 	printf "%-60s" "$msg"
+
+	# In case there is more than 32 CPUs we need to remove commas from masks
+	rps_mask=${rps_mask/,}
+	expected_rps_mask=${expected_rps_mask/,}
 	if [ $rps_mask -eq $expected_rps_mask ]; then
 		echo "[ ok ]"
 	else
-- 
2.43.0