tools/testing/selftests/net/forwarding/mirror_gre_lag_lacp.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 # team device.
   6 #
   7 # +----------------------+                             +----------------------+
   8 # | H1                   |                             |                   H2 |
   9 # |    + $h1.333         |                             |        $h1.555 +     |
  10 # |    | 192.0.2.1/28    |                             |  192.0.2.18/28 |     |
  11 # +----|-----------------+                             +----------------|-----+
  12 #      |                                $h1                             |
  13 #      +---------------------------------+------------------------------+
  14 #                                        |
  15 # +--------------------------------------|------------------------------------+
  16 # | SW                                   o---> mirror                         |
  17 # |                                      |                                    |
  18 # |   +----------------------------------+------------------------------+     |
  19 # |   |                                $swp1                            |     |
  20 # |   + $swp1.333                                             $swp1.555 +     |
  21 # |     192.0.2.2/28                                      192.0.2.17/28       |
  22 # |                                                                           |
  23 # |                                                                           |
  24 # |   + gt4 (gretap)      ,-> + lag1 (team)                                   |
  25 # |     loc=192.0.2.129   |   | 192.0.2.129/28                                |
  26 # |     rem=192.0.2.130 --'   |                                               |
  27 # |     ttl=100               |                                               |
  28 # |     tos=inherit           |                                               |
  29 # |      _____________________|______________________                         |
  30 # |     /                                            \                        |
  31 # |    /                                              \                       |
  32 # |   + $swp3                                          + $swp4                |
  33 # +---|------------------------------------------------|----------------------+
  34 #     |                                                |
  35 # +---|------------------------------------------------|----------------------+
  36 # |   + $h3                                            + $h4               H3 |
  37 # |    \                                              /                       |
  38 # |     \____________________________________________/                        |
  39 # |                           |                                               |
  40 # |                           + lag2 (team)                                   |
  41 # |                             192.0.2.130/28                                |
  42 # |                                                                           |
  43 # +---------------------------------------------------------------------------+
  44
  45 ALL_TESTS="
  46         test_mirror_gretap_first
  47         test_mirror_gretap_second
  48 "
  49
  50 NUM_NETIFS=6
  51 source lib.sh
  52 source mirror_lib.sh
  53 source mirror_gre_lib.sh
  54
  55 require_command $ARPING
  56
  57 vlan_host_create()
  58 {
  59         local if_name=$1; shift
  60         local vid=$1; shift
  61         local vrf_name=$1; shift
  62         local ips=("${@}")
  63
  64         vrf_create $vrf_name
  65         ip link set dev $vrf_name up
  66         vlan_create $if_name $vid $vrf_name "${ips[@]}"
  67 }
  68
  69 vlan_host_destroy()
  70 {
  71         local if_name=$1; shift
  72         local vid=$1; shift
  73         local vrf_name=$1; shift
  74
  75         vlan_destroy $if_name $vid
  76         ip link set dev $vrf_name down
  77         vrf_destroy $vrf_name
  78 }
  79
  80 h1_create()
  81 {
  82         vlan_host_create $h1 333 vrf-h1 192.0.2.1/28
  83         ip -4 route add 192.0.2.16/28 vrf vrf-h1 nexthop via 192.0.2.2
  84 }
  85
  86 h1_destroy()
  87 {
  88         ip -4 route del 192.0.2.16/28 vrf vrf-h1
  89         vlan_host_destroy $h1 333 vrf-h1
  90 }
  91
  92 h2_create()
  93 {
  94         vlan_host_create $h1 555 vrf-h2 192.0.2.18/28
  95         ip -4 route add 192.0.2.0/28 vrf vrf-h2 nexthop via 192.0.2.17
  96 }
  97
  98 h2_destroy()
  99 {
 100         ip -4 route del 192.0.2.0/28 vrf vrf-h2
 101         vlan_host_destroy $h1 555 vrf-h2
 102 }
 103
 104 h3_create_team()
 105 {
 106         team_create lag2 lacp $h3 $h4
 107         __simple_if_init lag2 vrf-h3 192.0.2.130/32
 108         ip -4 route add vrf vrf-h3 192.0.2.129/32 dev lag2
 109 }
 110
 111 h3_destroy_team()
 112 {
 113         ip -4 route del vrf vrf-h3 192.0.2.129/32 dev lag2
 114         __simple_if_fini lag2 192.0.2.130/32
 115         team_destroy lag2
 116
 117         ip link set dev $h3 down
 118         ip link set dev $h4 down
 119 }
 120
 121 h3_create()
 122 {
 123         vrf_create vrf-h3
 124         ip link set dev vrf-h3 up
 125         tc qdisc add dev $h3 clsact
 126         tc qdisc add dev $h4 clsact
 127         h3_create_team
 128 }
 129
 130 h3_destroy()
 131 {
 132         h3_destroy_team
 133         tc qdisc del dev $h4 clsact
 134         tc qdisc del dev $h3 clsact
 135         ip link set dev vrf-h3 down
 136         vrf_destroy vrf-h3
 137 }
 138
 139 switch_create()
 140 {
 141         ip link set dev $swp1 up
 142         tc qdisc add dev $swp1 clsact
 143         vlan_create $swp1 333 "" 192.0.2.2/28
 144         vlan_create $swp1 555 "" 192.0.2.17/28
 145
 146         tunnel_create gt4 gretap 192.0.2.129 192.0.2.130 \
 147                       ttl 100 tos inherit
 148
 149         ip link set dev $swp3 up
 150         ip link set dev $swp4 up
 151         team_create lag1 lacp $swp3 $swp4
 152         __addr_add_del lag1 add 192.0.2.129/32
 153         ip -4 route add 192.0.2.130/32 dev lag1
 154 }
 155
 156 switch_destroy()
 157 {
 158         ip -4 route del 192.0.2.130/32 dev lag1
 159         __addr_add_del lag1 del 192.0.2.129/32
 160         team_destroy lag1
 161
 162         ip link set dev $swp4 down
 163         ip link set dev $swp3 down
 164
 165         tunnel_destroy gt4
 166
 167         vlan_destroy $swp1 555
 168         vlan_destroy $swp1 333
 169         tc qdisc del dev $swp1 clsact
 170         ip link set dev $swp1 down
 171 }
 172
 173 setup_prepare()
 174 {
 175         h1=${NETIFS[p1]}
 176         swp1=${NETIFS[p2]}
 177
 178         swp3=${NETIFS[p3]}
 179         h3=${NETIFS[p4]}
 180
 181         swp4=${NETIFS[p5]}
 182         h4=${NETIFS[p6]}
 183
 184         vrf_prepare
 185
 186         ip link set dev $h1 up
 187         h1_create
 188         h2_create
 189         h3_create
 190         switch_create
 191
 192         trap_install $h3 ingress
 193         trap_install $h4 ingress
 194 }
 195
 196 cleanup()
 197 {
 198         pre_cleanup
 199
 200         trap_uninstall $h4 ingress
 201         trap_uninstall $h3 ingress
 202
 203         switch_destroy
 204         h3_destroy
 205         h2_destroy
 206         h1_destroy
 207         ip link set dev $h1 down
 208
 209         vrf_cleanup
 210 }
 211
 212 test_lag_slave()
 213 {
 214         local up_dev=$1; shift
 215         local down_dev=$1; shift
 216         local what=$1; shift
 217
 218         RET=0
 219
 220         mirror_install $swp1 ingress gt4 \
 221                        "proto 802.1q flower vlan_id 333 $tcflags"
 222
 223         # Move $down_dev away from the team. That will prompt change in
 224         # txability of the connected device, without changing its upness. The
 225         # driver should notice the txability change and move the traffic to the
 226         # other slave.
 227         ip link set dev $down_dev nomaster
 228         sleep 2
 229         mirror_test vrf-h1 192.0.2.1 192.0.2.18 $up_dev 1 10
 230
 231         # Test lack of connectivity when neither slave is txable.
 232         ip link set dev $up_dev nomaster
 233         sleep 2
 234         mirror_test vrf-h1 192.0.2.1 192.0.2.18 $h3 1 0
 235         mirror_test vrf-h1 192.0.2.1 192.0.2.18 $h4 1 0
 236         mirror_uninstall $swp1 ingress
 237
 238         # Recreate H3's team device, because mlxsw, which this test is
 239         # predominantly mean to test, requires a bottom-up construction and
 240         # doesn't allow enslavement to a device that already has an upper.
 241         h3_destroy_team
 242         h3_create_team
 243         # Wait for ${h,swp}{3,4}.
 244         setup_wait
 245
 246         log_test "$what ($tcflags)"
 247 }
 248
 249 test_mirror_gretap_first()
 250 {
 251         test_lag_slave $h3 $h4 "mirror to gretap: LAG first slave"
 252 }
 253
 254 test_mirror_gretap_second()
 255 {
 256         test_lag_slave $h4 $h3 "mirror to gretap: LAG second slave"
 257 }
 258
 259 test_all()
 260 {
 261         slow_path_trap_install $swp1 ingress
 262         slow_path_trap_install $swp1 egress
 263
 264         tests_run
 265
 266         slow_path_trap_uninstall $swp1 egress
 267         slow_path_trap_uninstall $swp1 ingress
 268 }
 269
 270 trap cleanup EXIT
 271
 272 setup_prepare
 273 setup_wait
 274
 275 tcflags="skip_hw"
 276 test_all
 277
 278 if ! tc_offload_check; then
 279         echo "WARN: Could not test offloaded functionality"
 280 else
 281         tcflags="skip_sw"
 282         test_all
 283 fi
 284
 285 exit $EXIT_STATUS