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author | Jiri Pirko <jiri@mellanox.com> | 2019-05-05 09:48:07 +0300 |
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committer | David S. Miller <davem@davemloft.net> | 2019-05-06 07:56:57 +0300 |
commit | ad11340994d55b103d2e4853d32782fd10cf687f (patch) | |
tree | db93cc783460aace5cffe86f662b992ce8ab4d35 /tools | |
parent | 8e44c0ce599191e90246ba9c199ba921815f8ecb (diff) | |
download | linux-ad11340994d55b103d2e4853d32782fd10cf687f.tar.xz |
selftests: Add loopback test
Add selftest for loopback feature
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'tools')
-rwxr-xr-x | tools/testing/selftests/net/forwarding/loopback.sh | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/tools/testing/selftests/net/forwarding/loopback.sh b/tools/testing/selftests/net/forwarding/loopback.sh new file mode 100755 index 000000000000..6e4626ae71b0 --- /dev/null +++ b/tools/testing/selftests/net/forwarding/loopback.sh @@ -0,0 +1,94 @@ +#!/bin/bash +# SPDX-License-Identifier: GPL-2.0 + +ALL_TESTS="loopback_test" +NUM_NETIFS=2 +source tc_common.sh +source lib.sh + +h1_create() +{ + simple_if_init $h1 192.0.2.1/24 + tc qdisc add dev $h1 clsact +} + +h1_destroy() +{ + tc qdisc del dev $h1 clsact + simple_if_fini $h1 192.0.2.1/24 +} + +h2_create() +{ + simple_if_init $h2 +} + +h2_destroy() +{ + simple_if_fini $h2 +} + +loopback_test() +{ + RET=0 + + tc filter add dev $h1 ingress protocol arp pref 1 handle 101 flower \ + skip_hw arp_op reply arp_tip 192.0.2.1 action drop + + $MZ $h1 -c 1 -t arp -q + + tc_check_packets "dev $h1 ingress" 101 1 + check_fail $? "Matched on a filter without loopback setup" + + ethtool -K $h1 loopback on + check_err $? "Failed to enable loopback" + + setup_wait_dev $h1 + + $MZ $h1 -c 1 -t arp -q + + tc_check_packets "dev $h1 ingress" 101 1 + check_err $? "Did not match on filter with loopback" + + ethtool -K $h1 loopback off + check_err $? "Failed to disable loopback" + + $MZ $h1 -c 1 -t arp -q + + tc_check_packets "dev $h1 ingress" 101 2 + check_fail $? "Matched on a filter after loopback was removed" + + tc filter del dev $h1 ingress protocol arp pref 1 handle 101 flower + + log_test "loopback" +} + +setup_prepare() +{ + h1=${NETIFS[p1]} + h2=${NETIFS[p2]} + + vrf_prepare + + h1_create + h2_create +} + +cleanup() +{ + pre_cleanup + + h2_destroy + h1_destroy + + vrf_cleanup +} + +trap cleanup EXIT + +setup_prepare +setup_wait + +tests_run + +exit $EXIT_STATUS |