net/forwarding/mirror_gre_bridge_1q.sh

0001 #!/bin/bash
0002 # SPDX-License-Identifier: GPL-2.0
0003
0004 # Test for "tc action mirred egress mirror" when the underlay route points at a
0005 # bridge device with vlan filtering (802.1q).
0006 #
0007 # This test uses standard topology for testing mirror-to-gretap. See
0008 # mirror_gre_topo_lib.sh for more details. The full topology is as follows:
0009 #
0010 #  +---------------------+                               +---------------------+
0011 #  | H1                  |                               |                  H2 |
0012 #  |     + $h1           |                               |           $h2 +     |
0013 #  |     | 192.0.2.1/28  |                               |  192.0.2.2/28 |     |
0014 #  +-----|---------------+                               +---------------|-----+
0015 #        |                                                               |
0016 #  +-----|---------------------------------------------------------------|-----+
0017 #  | SW  o---> mirror                                                    |     |
0018 #  | +---|---------------------------------------------------------------|---+ |
0019 #  | |   + $swp1                  + br1 (802.1q bridge)            $swp2 +   | |
0020 #  | |                              192.0.2.129/28                           | |
0021 #  | |   + $swp3                    2001:db8:2::1/64                         | |
0022 #  | |   | vid555                   vid555[pvid,untagged]                    | |
0023 #  | +---|-------------------------------------------------------------------+ |
0024 #  |     |                                          ^                      ^   |
0025 #  |     |                     + gt6 (ip6gretap)    |   + gt4 (gretap)     |   |
0026 #  |     |                     : loc=2001:db8:2::1  |   : loc=192.0.2.129  |   |
0027 #  |     |                     : rem=2001:db8:2::2 -+   : rem=192.0.2.130 -+   |
0028 #  |     |                     : ttl=100                : ttl=100              |
0029 #  |     |                     : tos=inherit            : tos=inherit          |
0030 #  +-----|---------------------:------------------------:----------------------+
0031 #        |                     :                        :
0032 #  +-----|---------------------:------------------------:----------------------+
0033 #  | H3  + $h3                 + h3-gt6(ip6gretap)      + h3-gt4 (gretap)      |
0034 #  |     |                       loc=2001:db8:2::2        loc=192.0.2.130      |
0035 #  |     + $h3.555               rem=2001:db8:2::1        rem=192.0.2.129      |
0036 #  |       192.0.2.130/28        ttl=100                  ttl=100              |
0037 #  |       2001:db8:2::2/64      tos=inherit              tos=inherit          |
0038 #  +---------------------------------------------------------------------------+
0039
0040 ALL_TESTS="
0041         test_gretap
0042         test_ip6gretap
0043 "
0044
0045 NUM_NETIFS=6
0046 source lib.sh
0047 source mirror_lib.sh
0048 source mirror_gre_lib.sh
0049 source mirror_gre_topo_lib.sh
0050
0051 setup_prepare()
0052 {
0053         h1=${NETIFS[p1]}
0054         swp1=${NETIFS[p2]}
0055
0056         swp2=${NETIFS[p3]}
0057         h2=${NETIFS[p4]}
0058
0059         swp3=${NETIFS[p5]}
0060         h3=${NETIFS[p6]}
0061
0062         vrf_prepare
0063         mirror_gre_topo_create
0064         # Avoid changing br1's PVID while it is operational as a L3 interface.
0065         ip link set dev br1 down
0066
0067         ip link set dev $swp3 master br1
0068         bridge vlan add dev br1 vid 555 pvid untagged self
0069         ip link set dev br1 up
0070         ip address add dev br1 192.0.2.129/28
0071         ip address add dev br1 2001:db8:2::1/64
0072
0073         ip -4 route add 192.0.2.130/32 dev br1
0074         ip -6 route add 2001:db8:2::2/128 dev br1
0075
0076         vlan_create $h3 555 v$h3 192.0.2.130/28 2001:db8:2::2/64
0077         bridge vlan add dev $swp3 vid 555
0078 }
0079
0080 cleanup()
0081 {
0082         pre_cleanup
0083
0084         ip link set dev $swp3 nomaster
0085         vlan_destroy $h3 555
0086
0087         mirror_gre_topo_destroy
0088         vrf_cleanup
0089 }
0090
0091 test_gretap()
0092 {
0093         full_test_span_gre_dir gt4 ingress 8 0 "mirror to gretap"
0094         full_test_span_gre_dir gt4 egress 0 8 "mirror to gretap"
0095 }
0096
0097 test_ip6gretap()
0098 {
0099         full_test_span_gre_dir gt6 ingress 8 0 "mirror to ip6gretap"
0100         full_test_span_gre_dir gt6 egress 0 8 "mirror to ip6gretap"
0101 }
0102
0103 tests()
0104 {
0105         slow_path_trap_install $swp1 ingress
0106         slow_path_trap_install $swp1 egress
0107
0108         tests_run
0109
0110         slow_path_trap_uninstall $swp1 egress
0111         slow_path_trap_uninstall $swp1 ingress
0112 }
0113
0114 trap cleanup EXIT
0115
0116 setup_prepare
0117 setup_wait
0118
0119 tcflags="skip_hw"
0120 tests
0121
0122 if ! tc_offload_check; then
0123         echo "WARN: Could not test offloaded functionality"
0124 else
0125         tcflags="skip_sw"
0126         tests
0127 fi
0128
0129 exit $EXIT_STATUS