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

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commit cc7e3f63d7299dd1119be39aa187b867d6f8aa17 upstream.

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: ad11340994d5 ("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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Hangbin Liu 2020-01-03 15:41:24 +08:00 committed by Greg Kroah-Hartman
parent 24fde17ee8
commit be7ef489fe
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()