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         ip link set dev br1 addrgenmode none
 141         # Make sure the bridge uses the MAC address of the local port and not
 142         # that of the VxLAN's device.
 143         ip link set dev br1 address $(mac_get $swp1)
 144         ip link set dev br1 up
 145
 146         ip link set dev $rp1 up
 147         rp1_set_addr
 148
 149         ip link add name vx100 type vxlan id 1000               \
 150                 local 192.0.2.17 dstport "$VXPORT"      \
 151                 nolearning noudpcsum tos inherit ttl 100
 152         ip link set dev vx100 up
 153
 154         ip link set dev vx100 master br1
 155         bridge vlan add vid 100 dev vx100 pvid untagged
 156
 157         ip link set dev $swp1 master br1
 158         ip link set dev $swp1 up
 159         bridge vlan add vid 100 dev $swp1 pvid untagged
 160
 161         ip link set dev $swp2 master br1
 162         ip link set dev $swp2 up
 163         bridge vlan add vid 100 dev $swp2 pvid untagged
 164
 165         bridge fdb append dev vx100 00:00:00:00:00:00 dst 192.0.2.34 self
 166         bridge fdb append dev vx100 00:00:00:00:00:00 dst 192.0.2.50 self
 167 }
 168
 169 switch_destroy()
 170 {
 171         bridge fdb del dev vx100 00:00:00:00:00:00 dst 192.0.2.50 self
 172         bridge fdb del dev vx100 00:00:00:00:00:00 dst 192.0.2.34 self
 173
 174         bridge vlan del vid 100 dev $swp2
 175         ip link set dev $swp2 down
 176         ip link set dev $swp2 nomaster
 177
 178         bridge vlan del vid 100 dev $swp1
 179         ip link set dev $swp1 down
 180         ip link set dev $swp1 nomaster
 181
 182         ip link set dev vx100 nomaster
 183         ip link set dev vx100 down
 184         ip link del dev vx100
 185
 186         rp1_unset_addr
 187         ip link set dev $rp1 down
 188
 189         ip link set dev br1 down
 190         ip link del dev br1
 191 }
 192
 193 vrp2_create()
 194 {
 195         simple_if_init $rp2 192.0.2.18/28
 196         __simple_if_init v1 v$rp2 192.0.2.33/28
 197         __simple_if_init v3 v$rp2 192.0.2.49/28
 198         tc qdisc add dev v1 clsact
 199 }
 200
 201 vrp2_destroy()
 202 {
 203         tc qdisc del dev v1 clsact
 204         __simple_if_fini v3 192.0.2.49/28
 205         __simple_if_fini v1 192.0.2.33/28
 206         simple_if_fini $rp2 192.0.2.18/28
 207 }
 208
 209 ns_init_common()
 210 {
 211         local in_if=$1; shift
 212         local in_addr=$1; shift
 213         local other_in_addr=$1; shift
 214         local nh_addr=$1; shift
 215         local host_addr1=$1; shift
 216         local host_addr2=$1; shift
 217
 218         ip link set dev $in_if up
 219         ip address add dev $in_if $in_addr/28
 220         tc qdisc add dev $in_if clsact
 221
 222         ip link add name br2 type bridge vlan_filtering 1 vlan_protocol 802.1ad \
 223                 vlan_default_pvid 0
 224         ip link set dev br2 up
 225
 226         ip link add name w1 type veth peer name w2
 227
 228         ip link set dev w1 master br2
 229         ip link set dev w1 up
 230         bridge vlan add vid 100 dev w1 pvid untagged
 231
 232         ip link add name vx100 type vxlan id 1000 local $in_addr \
 233                 dstport "$VXPORT"
 234         ip link set dev vx100 up
 235         bridge fdb append dev vx100 00:00:00:00:00:00 dst 192.0.2.17 self
 236         bridge fdb append dev vx100 00:00:00:00:00:00 dst $other_in_addr self
 237
 238         ip link set dev vx100 master br2
 239         tc qdisc add dev vx100 clsact
 240
 241         bridge vlan add vid 100 dev vx100 pvid untagged
 242
 243         simple_if_init w2
 244         vlan_create w2 10 vw2 $host_addr1/28
 245         vlan_create w2 20 vw2 $host_addr2/24
 246
 247         ip route add 192.0.2.16/28 nexthop via $nh_addr
 248         ip route add $other_in_addr/32 nexthop via $nh_addr
 249 }
 250 export -f ns_init_common
 251
 252 ns1_create()
 253 {
 254         ip netns add ns1
 255         ip link set dev v2 netns ns1
 256         in_ns ns1 \
 257               ns_init_common v2 192.0.2.34 192.0.2.50 192.0.2.33 \
 258                              192.0.2.3 198.51.100.3
 259 }
 260
 261 ns1_destroy()
 262 {
 263         ip netns exec ns1 ip link set dev v2 netns 1
 264         ip netns del ns1
 265 }
 266
 267 ns2_create()
 268 {
 269         ip netns add ns2
 270         ip link set dev v4 netns ns2
 271         in_ns ns2 \
 272               ns_init_common v4 192.0.2.50 192.0.2.34 192.0.2.49 \
 273                              192.0.2.4 198.51.100.4
 274 }
 275
 276 ns2_destroy()
 277 {
 278         ip netns exec ns2 ip link set dev v4 netns 1
 279         ip netns del ns2
 280 }
 281
 282 setup_prepare()
 283 {
 284         h1=${NETIFS[p1]}
 285         swp1=${NETIFS[p2]}
 286
 287         swp2=${NETIFS[p3]}
 288         h2=${NETIFS[p4]}
 289
 290         rp1=${NETIFS[p5]}
 291         rp2=${NETIFS[p6]}
 292
 293         vrf_prepare
 294         forwarding_enable
 295
 296         h1_create
 297         h2_create
 298         switch_create
 299
 300         ip link add name v1 type veth peer name v2
 301         ip link add name v3 type veth peer name v4
 302         vrp2_create
 303         ns1_create
 304         ns2_create
 305
 306         r1_mac=$(in_ns ns1 mac_get w2)
 307         r2_mac=$(in_ns ns2 mac_get w2)
 308         h2_mac=$(mac_get $h2)
 309 }
 310
 311 cleanup()
 312 {
 313         pre_cleanup
 314
 315         ns2_destroy
 316         ns1_destroy
 317         vrp2_destroy
 318         ip link del dev v3
 319         ip link del dev v1
 320
 321         switch_destroy
 322         h2_destroy
 323         h1_destroy
 324
 325         forwarding_restore
 326         vrf_cleanup
 327 }
 328
 329 ping_ipv4()
 330 {
 331         ping_test $h1 192.0.2.2 ": local->local"
 332         ping_test $h1 192.0.2.3 ": local->remote 1"
 333         ping_test $h1 192.0.2.4 ": local->remote 2"
 334 }
 335
 336 test_all()
 337 {
 338         echo "Running tests with UDP port $VXPORT"
 339         tests_run
 340 }
 341
 342 trap cleanup EXIT
 343
 344 setup_prepare
 345 setup_wait
 346 test_all
 347
 348 exit $EXIT_STATUS