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selftests: loopback.sh: skip this test if the driver does not support

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The loopback feature is only supported on a few drivers like broadcom,
mellanox, etc. The default veth driver has not supported it yet. To avoid
returning failed and making the runner feel confused, let's just skip
the test on drivers that not support loopback.

Fixes: ad11340994 ("selftests: Add loopback test")
Signed-off-by: Hangbin Liu <liuhangbin@gmail.com>
Reviewed-by: Simon Horman <simon.horman@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Hangbin Liu 2020-01-03 15:41:24 +08:00 committed by David S. Miller
parent cd82dbf0d3
commit cc7e3f63d7
1 changed files with 8 additions and 0 deletions
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8
tools/testing/selftests/net/forwarding/loopback.sh
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@ -1,6 +1,9 @@
#!/bin/bash
# SPDX-License-Identifier: GPL-2.0
# Kselftest framework requirement - SKIP code is 4.
ksft_skip=4
ALL_TESTS="loopback_test"
NUM_NETIFS=2
source tc_common.sh
@ -72,6 +75,11 @@ setup_prepare()
h1_create
h2_create
if ethtool -k $h1 | grep loopback | grep -q fixed; then
log_test "SKIP: dev $h1 does not support loopback feature"
exit $ksft_skip
fi
}
cleanup()