tools/testing/selftests/net/forwarding/mirror_gre_bridge_1d.sh

   1 #!/bin/bash
   2 # SPDX-License-Identifier: GPL-2.0
   3
   4 # Test for "tc action mirred egress mirror" when the underlay route points at a
   5 # bridge device without vlan filtering (802.1d).
   6 #
   7 # This test uses standard topology for testing mirror-to-gretap. See
   8 # mirror_gre_topo_lib.sh for more details. The full topology is as follows:
   9 #
  10 #  +---------------------+                             +---------------------+
  11 #  | H1                  |                             |                  H2 |
  12 #  |     + $h1           |                             |           $h2 +     |
  13 #  |     | 192.0.2.1/28  |                             |  192.0.2.2/28 |     |
  14 #  +-----|---------------+                             +---------------|-----+
  15 #        |                                                             |
  16 #  +-----|-------------------------------------------------------------|-----+
  17 #  | SW  o---> mirror                                                  |     |
  18 #  | +---|-------------------------------------------------------------|---+ |
  19 #  | |   + $swp1            + br1 (802.1q bridge)                $swp2 +   | |
  20 #  | +---------------------------------------------------------------------+ |
  21 #  |                                                                         |
  22 #  | +---------------------------------------------------------------------+ |
  23 #  | |                      + br2 (802.1d bridge)                          | |
  24 #  | |                        192.0.2.129/28                               | |
  25 #  | |   + $swp3              2001:db8:2::1/64                             | |
  26 #  | +---|-----------------------------------------------------------------+ |
  27 #  |     |                                          ^                    ^   |
  28 #  |     |                     + gt6 (ip6gretap)    | + gt4 (gretap)     |   |
  29 #  |     |                     : loc=2001:db8:2::1  | : loc=192.0.2.129  |   |
  30 #  |     |                     : rem=2001:db8:2::2 -+ : rem=192.0.2.130 -+   |
  31 #  |     |                     : ttl=100              : ttl=100              |
  32 #  |     |                     : tos=inherit          : tos=inherit          |
  33 #  +-----|---------------------:----------------------:----------------------+
  34 #        |                     :                      :
  35 #  +-----|---------------------:----------------------:----------------------+
  36 #  | H3  + $h3                 + h3-gt6(ip6gretap)    + h3-gt4 (gretap)      |
  37 #  |       192.0.2.130/28        loc=2001:db8:2::2      loc=192.0.2.130      |
  38 #  |       2001:db8:2::2/64      rem=2001:db8:2::1      rem=192.0.2.129      |
  39 #  |                             ttl=100                ttl=100              |
  40 #  |                             tos=inherit            tos=inherit          |
  41 #  +-------------------------------------------------------------------------+
  42
  43 ALL_TESTS="
  44         test_gretap
  45         test_ip6gretap
  46 "
  47
  48 NUM_NETIFS=6
  49 source lib.sh
  50 source mirror_lib.sh
  51 source mirror_gre_lib.sh
  52 source mirror_gre_topo_lib.sh
  53
  54 setup_prepare()
  55 {
  56         h1=${NETIFS[p1]}
  57         swp1=${NETIFS[p2]}
  58
  59         swp2=${NETIFS[p3]}
  60         h2=${NETIFS[p4]}
  61
  62         swp3=${NETIFS[p5]}
  63         h3=${NETIFS[p6]}
  64
  65         vrf_prepare
  66         mirror_gre_topo_create
  67
  68         ip link add name br2 type bridge vlan_filtering 0
  69         ip link set dev br2 up
  70
  71         ip link set dev $swp3 master br2
  72         ip route add 192.0.2.130/32 dev br2
  73         ip -6 route add 2001:db8:2::2/128 dev br2
  74
  75         ip address add dev br2 192.0.2.129/28
  76         ip address add dev br2 2001:db8:2::1/64
  77
  78         ip address add dev $h3 192.0.2.130/28
  79         ip address add dev $h3 2001:db8:2::2/64
  80 }
  81
  82 cleanup()
  83 {
  84         pre_cleanup
  85
  86         ip address del dev $h3 2001:db8:2::2/64
  87         ip address del dev $h3 192.0.2.130/28
  88         ip link del dev br2
  89
  90         mirror_gre_topo_destroy
  91         vrf_cleanup
  92 }
  93
  94 test_gretap()
  95 {
  96         full_test_span_gre_dir gt4 ingress 8 0 "mirror to gretap"
  97         full_test_span_gre_dir gt4 egress 0 8 "mirror to gretap"
  98 }
  99
 100 test_ip6gretap()
 101 {
 102         full_test_span_gre_dir gt6 ingress 8 0 "mirror to ip6gretap"
 103         full_test_span_gre_dir gt6 egress 0 8 "mirror to ip6gretap"
 104 }
 105
 106 test_all()
 107 {
 108         slow_path_trap_install $swp1 ingress
 109         slow_path_trap_install $swp1 egress
 110
 111         tests_run
 112
 113         slow_path_trap_uninstall $swp1 egress
 114         slow_path_trap_uninstall $swp1 ingress
 115 }
 116
 117 trap cleanup EXIT
 118
 119 setup_prepare
 120 setup_wait
 121
 122 tcflags="skip_hw"
 123 test_all
 124
 125 if ! tc_offload_check; then
 126         echo "WARN: Could not test offloaded functionality"
 127 else
 128         tcflags="skip_sw"
 129         test_all
 130 fi
 131
 132 exit $EXIT_STATUS