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

   1 #!/bin/bash
   2 # SPDX-License-Identifier: GPL-2.0
   3
   4 # +----------------------------+                   +--------------------------+
   5 # | H1 (vrf)                   |                   |                 H2 (vrf) |
   6 # |                            |                   |                          |
   7 # |        + LAG1 (team)       |                   |     + LAG4 (team)        |
   8 # |        | 192.0.2.1/28      |                   |     | 192.0.2.130/28     |
   9 # |        | 2001:db8:1::1/64  |                   |     | 2001:db8:2::2/64   |
  10 # |      __^___                |                   |   __^_____               |
  11 # |     /      \               |                   |  /        \              |
  12 # |    + $h1    + $h4          |                   | + $h2      + $h3         |
  13 # |    |        |              |                   | |          |             |
  14 # +----|--------|--------------+                   +-|----------|-------------+
  15 #      |        |                                    |          |
  16 # +----|--------|------------------------------------|----------|-------------+
  17 # | SW |        |                                    |          |             |
  18 # |    + $swp1  + $swp4                              + $swp2    + $swp3       |
  19 # |     \__ ___/                                      \__ _____/              |
  20 # |        v                                             v                    |
  21 # | +------|-------------------------------+             |                    |
  22 # | |      + LAG2       BR1 (802.1q)       |             + LAG3 (team)        |
  23 # | |        (team)       192.0.2.2/28     |               192.0.2.129/28     |
  24 # | |                     2001:db8:1::2/64 |               2001:db8:2::1/64   |
  25 # | |                                      |                                  |
  26 # | +--------------------------------------+                                  |
  27 # +---------------------------------------------------------------------------+
  28
  29 : ${ALL_TESTS:="
  30         ping_ipv4
  31         ping_ipv6
  32
  33         $(: exercise remastering of LAG2 slaves )
  34         config_deslave_swp4
  35         config_wait
  36         ping_ipv4
  37         ping_ipv6
  38         config_enslave_swp4
  39         config_deslave_swp1
  40         config_wait
  41         ping_ipv4
  42         ping_ipv6
  43         config_deslave_swp4
  44         config_enslave_swp1
  45         config_enslave_swp4
  46         config_wait
  47         ping_ipv4
  48         ping_ipv6
  49
  50         $(: exercise remastering of LAG2 itself )
  51         config_remaster_lag2
  52         config_wait
  53         ping_ipv4
  54         ping_ipv6
  55
  56         $(: exercise remastering of LAG3 slaves )
  57         config_deslave_swp2
  58         config_wait
  59         ping_ipv4
  60         ping_ipv6
  61         config_enslave_swp2
  62         config_deslave_swp3
  63         config_wait
  64         ping_ipv4
  65         ping_ipv6
  66         config_deslave_swp2
  67         config_enslave_swp3
  68         config_enslave_swp2
  69         config_wait
  70         ping_ipv4
  71         ping_ipv6
  72
  73         $(: move LAG3 to a bridge and then out )
  74         config_remaster_lag3
  75         config_wait
  76         ping_ipv4
  77         ping_ipv6
  78     "}
  79 NUM_NETIFS=8
  80 : ${lib_dir:=.}
  81 source $lib_dir/lib.sh
  82 $EXTRA_SOURCE
  83
  84 h1_create()
  85 {
  86         team_create lag1 lacp
  87         ip link set dev lag1 address $(mac_get $h1)
  88         ip link set dev $h1 master lag1
  89         ip link set dev $h4 master lag1
  90         simple_if_init lag1 192.0.2.1/28 2001:db8:1::1/64
  91         ip link set dev $h1 up
  92         ip link set dev $h4 up
  93         ip -4 route add 192.0.2.128/28 vrf vlag1 nexthop via 192.0.2.2
  94         ip -6 route add 2001:db8:2::/64 vrf vlag1 nexthop via 2001:db8:1::2
  95 }
  96
  97 h1_destroy()
  98 {
  99         ip -6 route del 2001:db8:2::/64 vrf vlag1
 100         ip -4 route del 192.0.2.128/28 vrf vlag1
 101         ip link set dev $h4 down
 102         ip link set dev $h1 down
 103         simple_if_fini lag1 192.0.2.1/28 2001:db8:1::1/64
 104         ip link set dev $h4 nomaster
 105         ip link set dev $h1 nomaster
 106         team_destroy lag1
 107 }
 108
 109 h2_create()
 110 {
 111         team_create lag4 lacp
 112         ip link set dev lag4 address $(mac_get $h2)
 113         ip link set dev $h2 master lag4
 114         ip link set dev $h3 master lag4
 115         simple_if_init lag4 192.0.2.130/28 2001:db8:2::2/64
 116         ip link set dev $h2 up
 117         ip link set dev $h3 up
 118         ip -4 route add 192.0.2.0/28 vrf vlag4 nexthop via 192.0.2.129
 119         ip -6 route add 2001:db8:1::/64 vrf vlag4 nexthop via 2001:db8:2::1
 120 }
 121
 122 h2_destroy()
 123 {
 124         ip -6 route del 2001:db8:1::/64 vrf vlag4
 125         ip -4 route del 192.0.2.0/28 vrf vlag4
 126         ip link set dev $h3 down
 127         ip link set dev $h2 down
 128         simple_if_fini lag4 192.0.2.130/28 2001:db8:2::2/64
 129         ip link set dev $h3 nomaster
 130         ip link set dev $h2 nomaster
 131         team_destroy lag4
 132 }
 133
 134 router_create()
 135 {
 136         team_create lag2 lacp
 137         ip link set dev lag2 address $(mac_get $swp1)
 138         ip link set dev $swp1 master lag2
 139         ip link set dev $swp4 master lag2
 140
 141         ip link add name br1 address $(mac_get lag2) \
 142                 type bridge vlan_filtering 1
 143         ip link set dev lag2 master br1
 144
 145         ip link set dev $swp1 up
 146         ip link set dev $swp4 up
 147         ip link set dev br1 up
 148
 149         __addr_add_del br1 add 192.0.2.2/28 2001:db8:1::2/64
 150
 151         team_create lag3 lacp
 152         ip link set dev lag3 address $(mac_get $swp2)
 153         ip link set dev $swp2 master lag3
 154         ip link set dev $swp3 master lag3
 155         ip link set dev $swp2 up
 156         ip link set dev $swp3 up
 157         __addr_add_del lag3 add 192.0.2.129/28 2001:db8:2::1/64
 158 }
 159
 160 router_destroy()
 161 {
 162         __addr_add_del lag3 del 192.0.2.129/28 2001:db8:2::1/64
 163         ip link set dev $swp3 down
 164         ip link set dev $swp2 down
 165         ip link set dev $swp3 nomaster
 166         ip link set dev $swp2 nomaster
 167         team_destroy lag3
 168
 169         __addr_add_del br1 del 192.0.2.2/28 2001:db8:1::2/64
 170
 171         ip link set dev $swp4 down
 172         ip link set dev $swp1 down
 173         ip link set dev br1 down
 174
 175         ip link set dev lag2 nomaster
 176         ip link del dev br1
 177
 178         ip link set dev $swp4 nomaster
 179         ip link set dev $swp1 nomaster
 180         team_destroy lag2
 181 }
 182
 183 config_remaster_lag2()
 184 {
 185         log_info "Remaster bridge slave"
 186
 187         ip link set dev lag2 nomaster
 188         sleep 2
 189         ip link set dev lag2 master br1
 190 }
 191
 192 config_remaster_lag3()
 193 {
 194         log_info "Move lag3 to the bridge, then out again"
 195
 196         ip link set dev lag3 master br1
 197         sleep 2
 198         ip link set dev lag3 nomaster
 199 }
 200
 201 config_deslave()
 202 {
 203         local netdev=$1; shift
 204
 205         log_info "Deslave $netdev"
 206         ip link set dev $netdev down
 207         ip link set dev $netdev nomaster
 208         ip link set dev $netdev up
 209 }
 210
 211 config_deslave_swp1()
 212 {
 213         config_deslave $swp1
 214 }
 215
 216 config_deslave_swp2()
 217 {
 218         config_deslave $swp2
 219 }
 220
 221 config_deslave_swp3()
 222 {
 223         config_deslave $swp3
 224 }
 225
 226 config_deslave_swp4()
 227 {
 228         config_deslave $swp4
 229 }
 230
 231 config_enslave()
 232 {
 233         local netdev=$1; shift
 234         local master=$1; shift
 235
 236         log_info "Enslave $netdev to $master"
 237         ip link set dev $netdev down
 238         ip link set dev $netdev master $master
 239         ip link set dev $netdev up
 240 }
 241
 242 config_enslave_swp1()
 243 {
 244         config_enslave $swp1 lag2
 245 }
 246
 247 config_enslave_swp2()
 248 {
 249         config_enslave $swp2 lag3
 250 }
 251
 252 config_enslave_swp3()
 253 {
 254         config_enslave $swp3 lag3
 255 }
 256
 257 config_enslave_swp4()
 258 {
 259         config_enslave $swp4 lag2
 260 }
 261
 262 config_wait()
 263 {
 264         setup_wait_dev lag2
 265         setup_wait_dev lag3
 266 }
 267
 268 setup_prepare()
 269 {
 270         h1=${NETIFS[p1]}
 271         swp1=${NETIFS[p2]}
 272
 273         swp2=${NETIFS[p3]}
 274         h2=${NETIFS[p4]}
 275
 276         swp3=${NETIFS[p5]}
 277         h3=${NETIFS[p6]}
 278
 279         h4=${NETIFS[p7]}
 280         swp4=${NETIFS[p8]}
 281
 282         vrf_prepare
 283
 284         h1_create
 285         h2_create
 286
 287         router_create
 288
 289         forwarding_enable
 290 }
 291
 292 cleanup()
 293 {
 294         pre_cleanup
 295
 296         forwarding_restore
 297
 298         router_destroy
 299
 300         h2_destroy
 301         h1_destroy
 302
 303         vrf_cleanup
 304 }
 305
 306 ping_ipv4()
 307 {
 308         ping_test lag1 192.0.2.130
 309 }
 310
 311 ping_ipv6()
 312 {
 313         ping6_test lag1 2001:db8:2::2
 314 }
 315
 316 trap cleanup EXIT
 317
 318 setup_prepare
 319 setup_wait
 320
 321 tests_run
 322
 323 exit $EXIT_STATUS