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selftests/bpf/test_offload.py: Reset ethtool features after failed setting 

[ Upstream commit 766e62b7fc ]

When setting the ethtool feature flag fails (as expected for the test), the
kernel now tracks that the feature was requested to be 'off' and refuses to
subsequently disable it again. So reset it back to 'on' so a subsequent
disable (that's not supposed to fail) can succeed.

Fixes: 417ec26477 ("selftests/bpf: add offload test based on netdevsim")
Signed-off-by: Toke Høiland-Jørgensen <toke@redhat.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Jakub Kicinski <kuba@kernel.org>
Link: https://lore.kernel.org/bpf/160752226280.110217.10696241563705667871.stgit@toke.dk
Signed-off-by: Sasha Levin <sashal@kernel.org>
5.4-rM2-2.2.x-imx-squashed
Toke Høiland-Jørgensen 2020-12-09 14:57:42 +01:00 committed by Greg Kroah-Hartman
parent 3b79aea56d
commit 2107658d6d
1 changed files with 1 additions and 0 deletions
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tools/testing/selftests/bpf/test_offload.py
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@ -930,6 +930,7 @@ try:
start_test("Test disabling TC offloads is rejected while filters installed...")
ret, _ = sim.set_ethtool_tc_offloads(False, fail=False)
fail(ret == 0, "Driver should refuse to disable TC offloads with filters installed...")
sim.set_ethtool_tc_offloads(True)
start_test("Test qdisc removal frees things...")
sim.tc_flush_filters()