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Date: Tue, 14 Nov 2023 13:04:41 -0300
From: Pedro Tammela <pctammela@...atatu.com>
To: netdev@...r.kernel.org
Cc: jhs@...atatu.com,
	xiyou.wangcong@...il.com,
	jiri@...nulli.us,
	davem@...emloft.net,
	edumazet@...gle.com,
	kuba@...nel.org,
	pabeni@...hat.com,
	shuah@...nel.org,
	pctammela@...atatu.com,
	victor@...atatu.com
Subject: [PATCH net-next 3/4] selftests: tc-testing: preload all modules in kselftests

While running tdc tests in parallel it can race over the module loading
done by tc and fail the run with random errors.
So avoid this by preloading all modules before running tdc in kselftests.

Signed-off-by: Pedro Tammela <pctammela@...atatu.com>
---
 tools/testing/selftests/tc-testing/tdc.sh | 65 ++++++++++++++++++++++-
 1 file changed, 63 insertions(+), 2 deletions(-)

diff --git a/tools/testing/selftests/tc-testing/tdc.sh b/tools/testing/selftests/tc-testing/tdc.sh
index eb357bd7923c..ae08b7a47c42 100755
--- a/tools/testing/selftests/tc-testing/tdc.sh
+++ b/tools/testing/selftests/tc-testing/tdc.sh
@@ -1,7 +1,68 @@
 #!/bin/sh
 # SPDX-License-Identifier: GPL-2.0
 
-modprobe netdevsim
-modprobe sch_teql
+# If a module is required and was not compiled
+# the test that requires it will fail anyways
+try_modprobe() {
+   modprobe -q -R "$1"
+   if [ $? -ne 0 ]; then
+      echo "Module $1 not found... skipping."
+   else
+      modprobe "$1"
+   fi
+}
+
+try_modprobe netdevsim
+try_modprobe act_bpf
+try_modprobe act_connmark
+try_modprobe act_csum
+try_modprobe act_ct
+try_modprobe act_ctinfo
+try_modprobe act_gact
+try_modprobe act_gate
+try_modprobe act_ipt
+try_modprobe act_mirred
+try_modprobe act_mpls
+try_modprobe act_nat
+try_modprobe act_pedit
+try_modprobe act_police
+try_modprobe act_sample
+try_modprobe act_simple
+try_modprobe act_skbedit
+try_modprobe act_skbmod
+try_modprobe act_tunnel_key
+try_modprobe act_vlan
+try_modprobe cls_basic
+try_modprobe cls_bpf
+try_modprobe cls_cgroup
+try_modprobe cls_flow
+try_modprobe cls_flower
+try_modprobe cls_fw
+try_modprobe cls_matchall
+try_modprobe cls_route
+try_modprobe cls_u32
+try_modprobe em_canid
+try_modprobe em_cmp
+try_modprobe em_ipset
+try_modprobe em_ipt
+try_modprobe em_meta
+try_modprobe em_nbyte
+try_modprobe em_text
+try_modprobe em_u32
+try_modprobe sch_cake
+try_modprobe sch_cbs
+try_modprobe sch_choke
+try_modprobe sch_codel
+try_modprobe sch_drr
+try_modprobe sch_etf
+try_modprobe sch_ets
+try_modprobe sch_fq
+try_modprobe sch_fq_codel
+try_modprobe sch_fq_pie
+try_modprobe sch_gred
+try_modprobe sch_hfsc
+try_modprobe sch_hhf
+try_modprobe sch_htb
+try_modprobe sch_teql
 ./tdc.py -c actions --nobuildebpf
 ./tdc.py -c qdisc
-- 
2.40.1


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