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

   1 #!/bin/bash
   2 # SPDX-License-Identifier: GPL-2.0
   3
   4 # +-----------------------+                          +------------------------+
   5 # | H1 (vrf)              |                          | H2 (vrf)               |
   6 # |  + $h1.10             |                          |  + $h2.10              |
   7 # |  | 192.0.2.1/28       |                          |  | 192.0.2.2/28        |
   8 # |  |                    |                          |  |                     |
   9 # |  | + $h1.20           |                          |  | + $h2.20            |
  10 # |  \ | 198.51.100.1/24  |                          |  \ | 198.51.100.2/24   |
  11 # |   \|                  |                          |   \|                   |
  12 # |    + $h1              |                          |    + $h2               |
  13 # +----|------------------+                          +----|-------------------+
  14 #      |                                                  |
  15 # +----|--------------------------------------------------|-------------------+
  16 # | SW |                                                  |                   |
  17 # | +--|--------------------------------------------------|-----------------+ |
  18 # | |  + $swp1                   BR1 (802.1ad)            + $swp2           | |
  19 # | |    vid 100 pvid untagged                              vid 100 pvid    | |
  20 # | |                                                           untagged    | |
  21 # | |  + vx100 (vxlan)                                                      | |
  22 # | |    local 192.0.2.17                                                   | |
  23 # | |    remote 192.0.2.34 192.0.2.50                                       | |
  24 # | |    id 1000 dstport $VXPORT                                            | |
  25 # | |    vid 100 pvid untagged                                              | |
  26 # | +-----------------------------------------------------------------------+ |
  27 # |                                                                           |
  28 # |  192.0.2.32/28 via 192.0.2.18                                             |
  29 # |  192.0.2.48/28 via 192.0.2.18                                             |
  30 # |                                                                           |
  31 # |    + $rp1                                                                 |
  32 # |    | 192.0.2.17/28                                                        |
  33 # +----|----------------------------------------------------------------------+
  34 #      |
  35 # +----|--------------------------------------------------------+
  36 # |    |                                             VRP2 (vrf) |
  37 # |    + $rp2                                                   |
  38 # |      192.0.2.18/28                                          |
  39 # |                                                             |   (maybe) HW
  40 # =============================================================================
  41 # |                                                             |  (likely) SW
  42 # |    + v1 (veth)                             + v3 (veth)      |
  43 # |    | 192.0.2.33/28                         | 192.0.2.49/28  |
  44 # +----|---------------------------------------|----------------+
  45 #      |                                       |
  46 # +----|------------------------------+   +----|------------------------------+
  47 # |    + v2 (veth)        NS1 (netns) |   |    + v4 (veth)        NS2 (netns) |
  48 # |      192.0.2.34/28                |   |      192.0.2.50/28                |
  49 # |                                   |   |                                   |
  50 # |   192.0.2.16/28 via 192.0.2.33    |   |   192.0.2.16/28 via 192.0.2.49    |
  51 # |   192.0.2.50/32 via 192.0.2.33    |   |   192.0.2.34/32 via 192.0.2.49    |
  52 # |                                   |   |                                   |
  53 # | +-------------------------------+ |   | +-------------------------------+ |
  54 # | |                 BR2 (802.1ad) | |   | |                 BR2 (802.1ad) | |
  55 # | |  + vx100 (vxlan)              | |   | |  + vx100 (vxlan)              | |
  56 # | |    local 192.0.2.34           | |   | |    local 192.0.2.50           | |
  57 # | |    remote 192.0.2.17          | |   | |    remote 192.0.2.17          | |
  58 # | |    remote 192.0.2.50          | |   | |    remote 192.0.2.34          | |
  59 # | |    id 1000 dstport $VXPORT    | |   | |    id 1000 dstport $VXPORT    | |
  60 # | |    vid 100 pvid untagged      | |   | |    vid 100 pvid untagged      | |
  61 # | |                               | |   | |                               | |
  62 # | |  + w1 (veth)                  | |   | |  + w1 (veth)                  | |
  63 # | |  | vid 100 pvid untagged      | |   | |  | vid 100 pvid untagged      | |
  64 # | +--|----------------------------+ |   | +--|----------------------------+ |
  65 # |    |                              |   |    |                              |
  66 # | +--|----------------------------+ |   | +--|----------------------------+ |
  67 # | |  |                  VW2 (vrf) | |   | |  |                  VW2 (vrf) | |
  68 # | |  + w2 (veth)                  | |   | |  + w2 (veth)                  | |
  69 # | |  |\                           | |   | |  |\                           | |
  70 # | |  | + w2.10                    | |   | |  | + w2.10                    | |
  71 # | |  |   192.0.2.3/28             | |   | |  |   192.0.2.4/28             | |
  72 # | |  |                            | |   | |  |                            | |
  73 # | |  + w2.20                      | |   | |  + w2.20                      | |
  74 # | |    198.51.100.3/24            | |   | |    198.51.100.4/24            | |
  75 # | +-------------------------------+ |   | +-------------------------------+ |
  76 # +-----------------------------------+   +-----------------------------------+
  77
  78 : ${VXPORT:=4789}
  79 export VXPORT
  80
  81 : ${ALL_TESTS:="
  82         ping_ipv4
  83     "}
  84
  85 NUM_NETIFS=6
  86 source lib.sh
  87
  88 h1_create()
  89 {
  90         simple_if_init $h1
  91         tc qdisc add dev $h1 clsact
  92         vlan_create $h1 10 v$h1 192.0.2.1/28
  93         vlan_create $h1 20 v$h1 198.51.100.1/24
  94 }
  95
  96 h1_destroy()
  97 {
  98         vlan_destroy $h1 20
  99         vlan_destroy $h1 10
 100         tc qdisc del dev $h1 clsact
 101         simple_if_fini $h1
 102 }
 103
 104 h2_create()
 105 {
 106         simple_if_init $h2
 107         tc qdisc add dev $h2 clsact
 108         vlan_create $h2 10 v$h2 192.0.2.2/28
 109         vlan_create $h2 20 v$h2 198.51.100.2/24
 110 }
 111
 112 h2_destroy()
 113 {
 114         vlan_destroy $h2 20
 115         vlan_destroy $h2 10
 116         tc qdisc del dev $h2 clsact
 117         simple_if_fini $h2
 118 }
 119
 120 rp1_set_addr()
 121 {
 122         ip address add dev $rp1 192.0.2.17/28
 123
 124         ip route add 192.0.2.32/28 nexthop via 192.0.2.18
 125         ip route add 192.0.2.48/28 nexthop via 192.0.2.18
 126 }
 127
 128 rp1_unset_addr()
 129 {
 130         ip route del 192.0.2.48/28 nexthop via 192.0.2.18
 131         ip route del 192.0.2.32/28 nexthop via 192.0.2.18
 132
 133         ip address del dev $rp1 192.0.2.17/28
 134 }
 135
 136 switch_create()
 137 {
 138         ip link add name br1 type bridge vlan_filtering 1 vlan_protocol 802.1ad \
 139                 vlan_default_pvid 0 mcast_snooping 0
 140         # Make sure the bridge uses the MAC address of the local port and not
 141         # that of the VxLAN's device.
 142         ip link set dev br1 address $(mac_get $swp1)
 143         ip link set dev br1 up
 144
 145         ip link set dev $rp1 up
 146         rp1_set_addr
 147
 148         ip link add name vx100 type vxlan id 1000               \
 149                 local 192.0.2.17 dstport "$VXPORT"      \
 150                 nolearning noudpcsum tos inherit ttl 100
 151         ip link set dev vx100 up
 152
 153         ip link set dev vx100 master br1
 154         bridge vlan add vid 100 dev vx100 pvid untagged
 155
 156         ip link set dev $swp1 master br1
 157         ip link set dev $swp1 up
 158         bridge vlan add vid 100 dev $swp1 pvid untagged
 159
 160         ip link set dev $swp2 master br1
 161         ip link set dev $swp2 up
 162         bridge vlan add vid 100 dev $swp2 pvid untagged
 163
 164         bridge fdb append dev vx100 00:00:00:00:00:00 dst 192.0.2.34 self
 165         bridge fdb append dev vx100 00:00:00:00:00:00 dst 192.0.2.50 self
 166 }
 167
 168 switch_destroy()
 169 {
 170         bridge fdb del dev vx100 00:00:00:00:00:00 dst 192.0.2.50 self
 171         bridge fdb del dev vx100 00:00:00:00:00:00 dst 192.0.2.34 self
 172
 173         bridge vlan del vid 100 dev $swp2
 174         ip link set dev $swp2 down
 175         ip link set dev $swp2 nomaster
 176
 177         bridge vlan del vid 100 dev $swp1
 178         ip link set dev $swp1 down
 179         ip link set dev $swp1 nomaster
 180
 181         ip link set dev vx100 nomaster
 182         ip link set dev vx100 down
 183         ip link del dev vx100
 184
 185         rp1_unset_addr
 186         ip link set dev $rp1 down
 187
 188         ip link set dev br1 down
 189         ip link del dev br1
 190 }
 191
 192 vrp2_create()
 193 {
 194         simple_if_init $rp2 192.0.2.18/28
 195         __simple_if_init v1 v$rp2 192.0.2.33/28
 196         __simple_if_init v3 v$rp2 192.0.2.49/28
 197         tc qdisc add dev v1 clsact
 198 }
 199
 200 vrp2_destroy()
 201 {
 202         tc qdisc del dev v1 clsact
 203         __simple_if_fini v3 192.0.2.49/28
 204         __simple_if_fini v1 192.0.2.33/28
 205         simple_if_fini $rp2 192.0.2.18/28
 206 }
 207
 208 ns_init_common()
 209 {
 210         local in_if=$1; shift
 211         local in_addr=$1; shift
 212         local other_in_addr=$1; shift
 213         local nh_addr=$1; shift
 214         local host_addr1=$1; shift
 215         local host_addr2=$1; shift
 216
 217         ip link set dev $in_if up
 218         ip address add dev $in_if $in_addr/28
 219         tc qdisc add dev $in_if clsact
 220
 221         ip link add name br2 type bridge vlan_filtering 1 vlan_protocol 802.1ad \
 222                 vlan_default_pvid 0
 223         ip link set dev br2 up
 224
 225         ip link add name w1 type veth peer name w2
 226
 227         ip link set dev w1 master br2
 228         ip link set dev w1 up
 229         bridge vlan add vid 100 dev w1 pvid untagged
 230
 231         ip link add name vx100 type vxlan id 1000 local $in_addr \
 232                 dstport "$VXPORT"
 233         ip link set dev vx100 up
 234         bridge fdb append dev vx100 00:00:00:00:00:00 dst 192.0.2.17 self
 235         bridge fdb append dev vx100 00:00:00:00:00:00 dst $other_in_addr self
 236
 237         ip link set dev vx100 master br2
 238         tc qdisc add dev vx100 clsact
 239
 240         bridge vlan add vid 100 dev vx100 pvid untagged
 241
 242         simple_if_init w2
 243         vlan_create w2 10 vw2 $host_addr1/28
 244         vlan_create w2 20 vw2 $host_addr2/24
 245
 246         ip route add 192.0.2.16/28 nexthop via $nh_addr
 247         ip route add $other_in_addr/32 nexthop via $nh_addr
 248 }
 249 export -f ns_init_common
 250
 251 ns1_create()
 252 {
 253         ip netns add ns1
 254         ip link set dev v2 netns ns1
 255         in_ns ns1 \
 256               ns_init_common v2 192.0.2.34 192.0.2.50 192.0.2.33 \
 257                              192.0.2.3 198.51.100.3
 258 }
 259
 260 ns1_destroy()
 261 {
 262         ip netns exec ns1 ip link set dev v2 netns 1
 263         ip netns del ns1
 264 }
 265
 266 ns2_create()
 267 {
 268         ip netns add ns2
 269         ip link set dev v4 netns ns2
 270         in_ns ns2 \
 271               ns_init_common v4 192.0.2.50 192.0.2.34 192.0.2.49 \
 272                              192.0.2.4 198.51.100.4
 273 }
 274
 275 ns2_destroy()
 276 {
 277         ip netns exec ns2 ip link set dev v4 netns 1
 278         ip netns del ns2
 279 }
 280
 281 setup_prepare()
 282 {
 283         h1=${NETIFS[p1]}
 284         swp1=${NETIFS[p2]}
 285
 286         swp2=${NETIFS[p3]}
 287         h2=${NETIFS[p4]}
 288
 289         rp1=${NETIFS[p5]}
 290         rp2=${NETIFS[p6]}
 291
 292         vrf_prepare
 293         forwarding_enable
 294
 295         h1_create
 296         h2_create
 297         switch_create
 298
 299         ip link add name v1 type veth peer name v2
 300         ip link add name v3 type veth peer name v4
 301         vrp2_create
 302         ns1_create
 303         ns2_create
 304
 305         r1_mac=$(in_ns ns1 mac_get w2)
 306         r2_mac=$(in_ns ns2 mac_get w2)
 307         h2_mac=$(mac_get $h2)
 308 }
 309
 310 cleanup()
 311 {
 312         pre_cleanup
 313
 314         ns2_destroy
 315         ns1_destroy
 316         vrp2_destroy
 317         ip link del dev v3
 318         ip link del dev v1
 319
 320         switch_destroy
 321         h2_destroy
 322         h1_destroy
 323
 324         forwarding_restore
 325         vrf_cleanup
 326 }
 327
 328 ping_ipv4()
 329 {
 330         ping_test $h1 192.0.2.2 ": local->local"
 331         ping_test $h1 192.0.2.3 ": local->remote 1"
 332         ping_test $h1 192.0.2.4 ": local->remote 2"
 333 }
 334
 335 test_all()
 336 {
 337         echo "Running tests with UDP port $VXPORT"
 338         tests_run
 339 }
 340
 341 trap cleanup EXIT
 342
 343 setup_prepare
 344 setup_wait
 345 test_all
 346
 347 exit $EXIT_STATUS