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selftests: rtnetlink.sh: remove esp4_offload after test

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The esp4_offload module, loaded during IPsec offload tests, should
be reset to its default settings after testing.
Otherwise, leaving it enabled could unintentionally affect subsequence
test cases by keeping offload active.

Without this fix:
$ lsmod | grep offload; ./rtnetlink.sh -t kci_test_ipsec_offload ; lsmod | grep offload;
PASS: ipsec_offload
esp4_offload           12288  0
esp4                   32768  1 esp4_offload

With this fix:
$ lsmod | grep offload; ./rtnetlink.sh -t kci_test_ipsec_offload ; lsmod | grep offload;
PASS: ipsec_offload

Fixes: 2766a11161 ("selftests: rtnetlink: add ipsec offload API test")
Signed-off-by: Xiumei Mu <xmu@redhat.com>
Reviewed-by: Shannon Nelson <sln@onemain.com>
Reviewed-by: Hangbin Liu <liuhangbin@gmail.com>
Link: https://patch.msgid.link/6d3a1d777c4de4eb0ca94ced9e77be8d48c5b12f.1753415428.git.xmu@redhat.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Xiumei Mu 2025-07-25 11:50:28 +08:00 committed by Jakub Kicinski
parent 002f79a5f0
commit 5b32321fda
1 changed files with 6 additions and 0 deletions
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6
tools/testing/selftests/net/rtnetlink.sh
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@ -720,6 +720,11 @@ kci_test_ipsec_offload()
sysfsf=$sysfsd/ipsec
sysfsnet=/sys/bus/netdevsim/devices/netdevsim0/net/
probed=false
esp4_offload_probed_default=false
if lsmod | grep -q esp4_offload; then
esp4_offload_probed_default=true
fi
if ! mount | grep -q debugfs; then
mount -t debugfs none /sys/kernel/debug/ &> /dev/null
@ -813,6 +818,7 @@ EOF
fi
# clean up any leftovers
! "$esp4_offload_probed_default" && lsmod | grep -q esp4_offload && rmmod esp4_offload
echo 0 > /sys/bus/netdevsim/del_device
$probed && rmmod netdevsim