On Fri, Jul 25, 2025 at 11:50:28AM +0800, Xiumei Mu wrote:

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: 2766a11161cc ("selftests: rtnetlink: add ipsec offload API test") Signed-off-by: Xiumei Mu xmu@redhat.com Reviewed-by: Shannon Nelson sln@onemain.com

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Changes in v2:

• add test results in description
• Enhanced logic for rmmod esp4_offload
• fix shellcheck warning: SC2086 (The quoting issue)

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nit: extra ---

Reviewed-by: Hangbin Liu liuhangbin@gmail.com

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tools/testing/selftests/net/rtnetlink.sh | 6 ++++++ 1 file changed, 6 insertions(+)

diff --git a/tools/testing/selftests/net/rtnetlink.sh b/tools/testing/selftests/net/rtnetlink.sh index 2e8243a65b50..d2298da320a6 100755 --- a/tools/testing/selftests/net/rtnetlink.sh +++ b/tools/testing/selftests/net/rtnetlink.sh @@ -673,6 +673,11 @@ 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 @@ -766,6 +771,7 @@ 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

2.50.1