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Date: Thu, 24 May 2018 16:27:48 +0200
From: Petr Machata <petrm@...lanox.com>
To: netdev@...r.kernel.org, linux-kselftest@...r.kernel.org
Cc: davem@...emloft.net, shuah@...nel.org, idosch@...lanox.com,
jiri@...lanox.com
Subject: [PATCH net-next 07/10] selftests: forwarding: Test mirror-to-vlan
Test for "tc action mirred egress mirror" that mirrors to a vlan device.
- test_vlan() tests that the packets get mirrored
- test_tagged_vlan() tests that the mirrored packets have correct inner
VLAN tag.
Signed-off-by: Petr Machata <petrm@...lanox.com>
---
.../selftests/net/forwarding/mirror_vlan.sh | 169 +++++++++++++++++++++
1 file changed, 169 insertions(+)
create mode 100755 tools/testing/selftests/net/forwarding/mirror_vlan.sh
diff --git a/tools/testing/selftests/net/forwarding/mirror_vlan.sh b/tools/testing/selftests/net/forwarding/mirror_vlan.sh
new file mode 100755
index 0000000..1e10520
--- /dev/null
+++ b/tools/testing/selftests/net/forwarding/mirror_vlan.sh
@@ -0,0 +1,169 @@
+#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
+
+# This test uses standard topology for testing mirroring. See mirror_topo_lib.sh
+# for more details.
+#
+# Test for "tc action mirred egress mirror" that mirrors to a vlan device.
+
+ALL_TESTS="
+ test_vlan
+ test_tagged_vlan
+"
+
+NUM_NETIFS=6
+source lib.sh
+source mirror_lib.sh
+source mirror_topo_lib.sh
+
+setup_prepare()
+{
+ h1=${NETIFS[p1]}
+ swp1=${NETIFS[p2]}
+
+ swp2=${NETIFS[p3]}
+ h2=${NETIFS[p4]}
+
+ swp3=${NETIFS[p5]}
+ h3=${NETIFS[p6]}
+
+ vrf_prepare
+ mirror_topo_create
+
+ vlan_create $swp3 555
+
+ vlan_create $h3 555 v$h3
+ matchall_sink_create $h3.555
+
+ vlan_create $h1 111 v$h1 192.0.2.17/28
+ bridge vlan add dev $swp1 vid 111
+
+ vlan_create $h2 111 v$h2 192.0.2.18/28
+ bridge vlan add dev $swp2 vid 111
+}
+
+cleanup()
+{
+ pre_cleanup
+
+ vlan_destroy $h2 111
+ vlan_destroy $h1 111
+ vlan_destroy $h3 555
+ vlan_destroy $swp3 555
+
+ mirror_topo_destroy
+ vrf_cleanup
+}
+
+test_vlan_dir()
+{
+ local direction=$1; shift
+ local forward_type=$1; shift
+ local backward_type=$1; shift
+
+ RET=0
+
+ mirror_install $swp1 $direction $swp3.555 "matchall $tcflags"
+ test_span_dir "$h3.555" "$direction" "$forward_type" "$backward_type"
+ mirror_uninstall $swp1 $direction
+
+ log_test "$direction mirror to vlan ($tcflags)"
+}
+
+test_vlan()
+{
+ test_vlan_dir ingress 8 0
+ test_vlan_dir egress 0 8
+}
+
+vlan_capture_add_del()
+{
+ local add_del=$1; shift
+ local pref=$1; shift
+ local dev=$1; shift
+ local filter=$1; shift
+
+ tc filter $add_del dev "$dev" ingress \
+ proto 802.1q pref $pref \
+ flower $filter \
+ action pass
+}
+
+vlan_capture_install()
+{
+ vlan_capture_add_del add 100 "$@"
+}
+
+vlan_capture_uninstall()
+{
+ vlan_capture_add_del del 100 "$@"
+}
+
+do_test_span_vlan_dir_ips()
+{
+ local expect=$1; shift
+ local dev=$1; shift
+ local vid=$1; shift
+ local direction=$1; shift
+ local ip1=$1; shift
+ local ip2=$1; shift
+
+ vlan_capture_install $dev "vlan_id $vid"
+ mirror_test v$h1 $ip1 $ip2 $dev 100 $expect
+ mirror_test v$h2 $ip2 $ip1 $dev 100 $expect
+ vlan_capture_uninstall $dev
+}
+
+test_tagged_vlan_dir()
+{
+ local direction=$1; shift
+ local forward_type=$1; shift
+ local backward_type=$1; shift
+
+ RET=0
+
+ mirror_install $swp1 $direction $swp3.555 "matchall $tcflags"
+ do_test_span_vlan_dir_ips 10 "$h3.555" 111 "$direction" \
+ 192.0.2.17 192.0.2.18
+ do_test_span_vlan_dir_ips 0 "$h3.555" 555 "$direction" \
+ 192.0.2.17 192.0.2.18
+ mirror_uninstall $swp1 $direction
+
+ log_test "$direction mirror to vlan ($tcflags)"
+}
+
+test_tagged_vlan()
+{
+ test_tagged_vlan_dir ingress 8 0
+ test_tagged_vlan_dir egress 0 8
+}
+
+test_all()
+{
+ slow_path_trap_install $swp1 ingress
+ slow_path_trap_install $swp1 egress
+ trap_install $h3 ingress
+
+ tests_run
+
+ trap_install $h3 ingress
+ slow_path_trap_uninstall $swp1 egress
+ slow_path_trap_uninstall $swp1 ingress
+}
+
+trap cleanup EXIT
+
+setup_prepare
+setup_wait
+
+tcflags="skip_hw"
+test_all
+
+if ! tc_offload_check; then
+ echo "WARN: Could not test offloaded functionality"
+else
+ tcflags="skip_sw"
+ test_all
+fi
+
+exit $EXIT_STATUS
--
2.4.11
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