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Date: Mon, 02 Jul 2018 19:58:49 +0200
From: Petr Machata <petrm@...lanox.com>
To: netdev@...r.kernel.org, linux-kselftest@...r.kernel.org
Cc: davem@...emloft.net, shuah@...nel.org
Subject: [PATCH net-next 1/2] selftests: forwarding: Test mirror-to-gretap w/
UL 802.1d
Test for "tc action mirred egress mirror" that mirrors to gretap when
the underlay route points at a VLAN-unaware bridge (802.1d).
Signed-off-by: Petr Machata <petrm@...lanox.com>
---
.../net/forwarding/mirror_gre_bridge_1d.sh | 132 +++++++++++++++++++++
1 file changed, 132 insertions(+)
create mode 100755 tools/testing/selftests/net/forwarding/mirror_gre_bridge_1d.sh
diff --git a/tools/testing/selftests/net/forwarding/mirror_gre_bridge_1d.sh b/tools/testing/selftests/net/forwarding/mirror_gre_bridge_1d.sh
new file mode 100755
index 000000000000..c5095da7f6bf
--- /dev/null
+++ b/tools/testing/selftests/net/forwarding/mirror_gre_bridge_1d.sh
@@ -0,0 +1,132 @@
+#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
+
+# Test for "tc action mirred egress mirror" when the underlay route points at a
+# bridge device without vlan filtering (802.1d).
+#
+# This test uses standard topology for testing mirror-to-gretap. See
+# mirror_gre_topo_lib.sh for more details. The full topology is as follows:
+#
+# +---------------------+ +---------------------+
+# | H1 | | H2 |
+# | + $h1 | | $h2 + |
+# | | 192.0.2.1/28 | | 192.0.2.2/28 | |
+# +-----|---------------+ +---------------|-----+
+# | |
+# +-----|-------------------------------------------------------------|-----+
+# | SW o---> mirror | |
+# | +---|-------------------------------------------------------------|---+ |
+# | | + $swp1 + br1 (802.1q bridge) $swp2 + | |
+# | +---------------------------------------------------------------------+ |
+# | |
+# | +---------------------------------------------------------------------+ |
+# | | + br2 (802.1d bridge) | |
+# | | 192.0.2.129/28 | |
+# | | + $swp3 2001:db8:2::1/64 | |
+# | +---|-----------------------------------------------------------------+ |
+# | | ^ ^ |
+# | | + gt6 (ip6gretap) | + gt4 (gretap) | |
+# | | : loc=2001:db8:2::1 | : loc=192.0.2.129 | |
+# | | : rem=2001:db8:2::2 -+ : rem=192.0.2.130 -+ |
+# | | : ttl=100 : ttl=100 |
+# | | : tos=inherit : tos=inherit |
+# +-----|---------------------:----------------------:----------------------+
+# | : :
+# +-----|---------------------:----------------------:----------------------+
+# | H3 + $h3 + h3-gt6(ip6gretap) + h3-gt4 (gretap) |
+# | 192.0.2.130/28 loc=2001:db8:2::2 loc=192.0.2.130 |
+# | 2001:db8:2::2/64 rem=2001:db8:2::1 rem=192.0.2.129 |
+# | ttl=100 ttl=100 |
+# | tos=inherit tos=inherit |
+# +-------------------------------------------------------------------------+
+
+ALL_TESTS="
+ test_gretap
+ test_ip6gretap
+"
+
+NUM_NETIFS=6
+source lib.sh
+source mirror_lib.sh
+source mirror_gre_lib.sh
+source mirror_gre_topo_lib.sh
+
+setup_prepare()
+{
+ h1=${NETIFS[p1]}
+ swp1=${NETIFS[p2]}
+
+ swp2=${NETIFS[p3]}
+ h2=${NETIFS[p4]}
+
+ swp3=${NETIFS[p5]}
+ h3=${NETIFS[p6]}
+
+ vrf_prepare
+ mirror_gre_topo_create
+
+ ip link add name br2 type bridge vlan_filtering 0
+ ip link set dev br2 up
+
+ ip link set dev $swp3 master br2
+ ip route add 192.0.2.130/32 dev br2
+ ip -6 route add 2001:db8:2::2/128 dev br2
+
+ ip address add dev br2 192.0.2.129/28
+ ip address add dev br2 2001:db8:2::1/64
+
+ ip address add dev $h3 192.0.2.130/28
+ ip address add dev $h3 2001:db8:2::2/64
+}
+
+cleanup()
+{
+ pre_cleanup
+
+ ip address del dev $h3 2001:db8:2::2/64
+ ip address del dev $h3 192.0.2.130/28
+ ip link del dev br2
+
+ mirror_gre_topo_destroy
+ vrf_cleanup
+}
+
+test_gretap()
+{
+ full_test_span_gre_dir gt4 ingress 8 0 "mirror to gretap"
+ full_test_span_gre_dir gt4 egress 0 8 "mirror to gretap"
+}
+
+test_ip6gretap()
+{
+ full_test_span_gre_dir gt6 ingress 8 0 "mirror to ip6gretap"
+ full_test_span_gre_dir gt6 egress 0 8 "mirror to ip6gretap"
+}
+
+test_all()
+{
+ slow_path_trap_install $swp1 ingress
+ slow_path_trap_install $swp1 egress
+
+ tests_run
+
+ 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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