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authorJiri Pirko <jiri@mellanox.com>2019-05-05 09:48:07 +0300
committerDavid S. Miller <davem@davemloft.net>2019-05-05 21:56:57 -0700
commitad11340994d55b103d2e4853d32782fd10cf687f (patch)
treedb93cc783460aace5cffe86f662b992ce8ab4d35 /tools/testing/selftests
parentmlxsw: spectrum: Implement loopback ethtool feature (diff)
downloadlinux-dev-ad11340994d55b103d2e4853d32782fd10cf687f.tar.xz
linux-dev-ad11340994d55b103d2e4853d32782fd10cf687f.zip
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/testing/selftests')
-rwxr-xr-xtools/testing/selftests/net/forwarding/loopback.sh94
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