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

   1 #!/bin/bash
   2 # SPDX-License-Identifier: GPL-2.0
   3
   4 ALL_TESTS="vlmc_control_test vlmc_querier_test vlmc_igmp_mld_version_test \
   5            vlmc_last_member_test vlmc_startup_query_test vlmc_membership_test \
   6            vlmc_querier_intvl_test vlmc_query_intvl_test vlmc_query_response_intvl_test \
   7            vlmc_router_port_test vlmc_filtering_test"
   8 NUM_NETIFS=4
   9 CHECK_TC="yes"
  10 TEST_GROUP="239.10.10.10"
  11
  12 source lib.sh
  13
  14 h1_create()
  15 {
  16         simple_if_init $h1 192.0.2.1/24 2001:db8:1::1/64
  17         ip link add l $h1 $h1.10 up type vlan id 10
  18 }
  19
  20 h1_destroy()
  21 {
  22         ip link del $h1.10
  23         simple_if_fini $h1 192.0.2.1/24 2001:db8:1::1/64
  24 }
  25
  26 h2_create()
  27 {
  28         simple_if_init $h2 192.0.2.2/24 2001:db8:1::2/64
  29         ip link add l $h2 $h2.10 up type vlan id 10
  30 }
  31
  32 h2_destroy()
  33 {
  34         ip link del $h2.10
  35         simple_if_fini $h2 192.0.2.2/24 2001:db8:1::2/64
  36 }
  37
  38 switch_create()
  39 {
  40         ip link add dev br0 type bridge mcast_snooping 1 mcast_querier 1 vlan_filtering 1
  41
  42         ip link set dev $swp1 master br0
  43         ip link set dev $swp2 master br0
  44
  45         ip link set dev br0 up
  46         ip link set dev $swp1 up
  47         ip link set dev $swp2 up
  48
  49         tc qdisc add dev $swp1 clsact
  50         tc qdisc add dev $swp2 clsact
  51
  52         bridge vlan add vid 10-11 dev $swp1 master
  53         bridge vlan add vid 10-11 dev $swp2 master
  54
  55         ip link set dev br0 type bridge mcast_vlan_snooping 1
  56         check_err $? "Could not enable global vlan multicast snooping"
  57         log_test "Vlan multicast snooping enable"
  58 }
  59
  60 switch_destroy()
  61 {
  62         tc qdisc del dev $swp2 clsact
  63         tc qdisc del dev $swp1 clsact
  64
  65         ip link set dev $swp2 down
  66         ip link set dev $swp1 down
  67
  68         ip link del dev br0
  69 }
  70
  71 setup_prepare()
  72 {
  73         h1=${NETIFS[p1]}
  74         swp1=${NETIFS[p2]}
  75
  76         swp2=${NETIFS[p3]}
  77         h2=${NETIFS[p4]}
  78
  79         vrf_prepare
  80
  81         h1_create
  82         h2_create
  83
  84         switch_create
  85 }
  86
  87 cleanup()
  88 {
  89         pre_cleanup
  90
  91         switch_destroy
  92
  93         h2_destroy
  94         h1_destroy
  95
  96         vrf_cleanup
  97 }
  98
  99 vlmc_v2join_test()
 100 {
 101         local expect=$1
 102
 103         RET=0
 104         ip address add dev $h2.10 $TEST_GROUP/32 autojoin
 105         check_err $? "Could not join $TEST_GROUP"
 106
 107         sleep 5
 108         bridge -j mdb show dev br0 |
 109                 jq -e ".[].mdb[] | select(.grp == \"$TEST_GROUP\" and .vid == 10)" &>/dev/null
 110         if [ $expect -eq 0 ]; then
 111                 check_err $? "IGMPv2 report didn't create mdb entry for $TEST_GROUP"
 112         else
 113                 check_fail $? "IGMPv2 report shouldn't have created mdb entry for $TEST_GROUP"
 114         fi
 115
 116         # check if we need to cleanup
 117         if [ $RET -eq 0 ]; then
 118                 ip address del dev $h2.10 $TEST_GROUP/32 2>&1 1>/dev/null
 119                 sleep 5
 120                 bridge -j mdb show dev br0 |
 121                         jq -e ".[].mdb[] | select(.grp == \"$TEST_GROUP\" and \
 122                                                   .vid == 10)" &>/dev/null
 123                 check_fail $? "IGMPv2 leave didn't remove mdb entry for $TEST_GROUP"
 124         fi
 125 }
 126
 127 vlmc_control_test()
 128 {
 129         RET=0
 130         local goutput=`bridge -j vlan global show`
 131         echo -n $goutput |
 132                 jq -e ".[].vlans[] | select(.vlan == 10)" &>/dev/null
 133         check_err $? "Could not find vlan 10's global options"
 134         log_test "Vlan global options existence"
 135
 136         RET=0
 137         echo -n $goutput |
 138                 jq -e ".[].vlans[] | select(.vlan == 10 and .mcast_snooping == 1) " &>/dev/null
 139         check_err $? "Wrong default mcast_snooping global option value"
 140         log_test "Vlan mcast_snooping global option default value"
 141
 142         RET=0
 143         vlmc_v2join_test 0
 144         bridge vlan global set vid 10 dev br0 mcast_snooping 0
 145         check_err $? "Could not disable multicast snooping in vlan 10"
 146         vlmc_v2join_test 1
 147         log_test "Vlan 10 multicast snooping control"
 148 }
 149
 150 # setup for general query counting
 151 vlmc_query_cnt_xstats()
 152 {
 153         local type=$1
 154         local version=$2
 155         local dev=$3
 156
 157         ip -j link xstats type bridge_slave dev $dev | \
 158         jq -e ".[].multicast.${type}_queries.tx_v${version}"
 159 }
 160
 161 vlmc_query_cnt_setup()
 162 {
 163         local type=$1
 164         local dev=$2
 165
 166         if [[ $type == "igmp" ]]; then
 167                 tc filter add dev $dev egress pref 10 prot 802.1Q \
 168                         flower vlan_id 10 vlan_ethtype ipv4 dst_ip 224.0.0.1 ip_proto 2 \
 169                         action pass
 170         else
 171                 tc filter add dev $dev egress pref 10 prot 802.1Q \
 172                         flower vlan_id 10 vlan_ethtype ipv6 dst_ip ff02::1 ip_proto icmpv6 \
 173                         action pass
 174         fi
 175
 176         ip link set dev br0 type bridge mcast_stats_enabled 1
 177 }
 178
 179 vlmc_query_cnt_cleanup()
 180 {
 181         local dev=$1
 182
 183         ip link set dev br0 type bridge mcast_stats_enabled 0
 184         tc filter del dev $dev egress pref 10
 185 }
 186
 187 vlmc_check_query()
 188 {
 189         local type=$1
 190         local version=$2
 191         local dev=$3
 192         local expect=$4
 193         local time=$5
 194         local ret=0
 195
 196         vlmc_query_cnt_setup $type $dev
 197
 198         local pre_tx_xstats=$(vlmc_query_cnt_xstats $type $version $dev)
 199         bridge vlan global set vid 10 dev br0 mcast_snooping 1 mcast_querier 1
 200         ret=$?
 201         if [[ $ret -eq 0 ]]; then
 202                 sleep $time
 203
 204                 local tcstats=$(tc_rule_stats_get $dev 10 egress)
 205                 local post_tx_xstats=$(vlmc_query_cnt_xstats $type $version $dev)
 206
 207                 if [[ $tcstats != $expect || \
 208                       $(($post_tx_xstats-$pre_tx_xstats)) != $expect || \
 209                       $tcstats != $(($post_tx_xstats-$pre_tx_xstats)) ]]; then
 210                         ret=1
 211                 fi
 212         fi
 213
 214         bridge vlan global set vid 10 dev br0 mcast_snooping 1 mcast_querier 0
 215         vlmc_query_cnt_cleanup $dev
 216
 217         return $ret
 218 }
 219
 220 vlmc_querier_test()
 221 {
 222         RET=0
 223         local goutput=`bridge -j vlan global show`
 224         echo -n $goutput |
 225                 jq -e ".[].vlans[] | select(.vlan == 10)" &>/dev/null
 226         check_err $? "Could not find vlan 10's global options"
 227
 228         echo -n $goutput |
 229                 jq -e ".[].vlans[] | select(.vlan == 10 and .mcast_querier == 0) " &>/dev/null
 230         check_err $? "Wrong default mcast_querier global vlan option value"
 231         log_test "Vlan mcast_querier global option default value"
 232
 233         RET=0
 234         bridge vlan global set vid 10 dev br0 mcast_snooping 1 mcast_querier 1
 235         check_err $? "Could not enable querier in vlan 10"
 236         log_test "Vlan 10 multicast querier enable"
 237         bridge vlan global set vid 10 dev br0 mcast_snooping 1 mcast_querier 0
 238
 239         RET=0
 240         vlmc_check_query igmp 2 $swp1 1 1
 241         check_err $? "No vlan tagged IGMPv2 general query packets sent"
 242         log_test "Vlan 10 tagged IGMPv2 general query sent"
 243
 244         RET=0
 245         vlmc_check_query mld 1 $swp1 1 1
 246         check_err $? "No vlan tagged MLD general query packets sent"
 247         log_test "Vlan 10 tagged MLD general query sent"
 248 }
 249
 250 vlmc_igmp_mld_version_test()
 251 {
 252         RET=0
 253         local goutput=`bridge -j vlan global show`
 254         echo -n $goutput |
 255                 jq -e ".[].vlans[] | select(.vlan == 10)" &>/dev/null
 256         check_err $? "Could not find vlan 10's global options"
 257
 258         echo -n $goutput |
 259                 jq -e ".[].vlans[] | select(.vlan == 10 and .mcast_igmp_version == 2) " &>/dev/null
 260         check_err $? "Wrong default mcast_igmp_version global vlan option value"
 261         log_test "Vlan mcast_igmp_version global option default value"
 262
 263         RET=0
 264         echo -n $goutput |
 265                 jq -e ".[].vlans[] | select(.vlan == 10 and .mcast_mld_version == 1) " &>/dev/null
 266         check_err $? "Wrong default mcast_mld_version global vlan option value"
 267         log_test "Vlan mcast_mld_version global option default value"
 268
 269         RET=0
 270         bridge vlan global set vid 10 dev br0 mcast_snooping 1 mcast_igmp_version 3
 271         check_err $? "Could not set mcast_igmp_version in vlan 10"
 272         log_test "Vlan 10 mcast_igmp_version option changed to 3"
 273
 274         RET=0
 275         vlmc_check_query igmp 3 $swp1 1 1
 276         check_err $? "No vlan tagged IGMPv3 general query packets sent"
 277         log_test "Vlan 10 tagged IGMPv3 general query sent"
 278
 279         RET=0
 280         bridge vlan global set vid 10 dev br0 mcast_snooping 1 mcast_mld_version 2
 281         check_err $? "Could not set mcast_mld_version in vlan 10"
 282         log_test "Vlan 10 mcast_mld_version option changed to 2"
 283
 284         RET=0
 285         vlmc_check_query mld 2 $swp1 1 1
 286         check_err $? "No vlan tagged MLDv2 general query packets sent"
 287         log_test "Vlan 10 tagged MLDv2 general query sent"
 288
 289         bridge vlan global set vid 10 dev br0 mcast_snooping 1 mcast_igmp_version 2
 290         bridge vlan global set vid 10 dev br0 mcast_snooping 1 mcast_mld_version 1
 291 }
 292
 293 vlmc_last_member_test()
 294 {
 295         RET=0
 296         local goutput=`bridge -j vlan global show`
 297         echo -n $goutput |
 298                 jq -e ".[].vlans[] | select(.vlan == 10)" &>/dev/null
 299         check_err $? "Could not find vlan 10's global options"
 300
 301         echo -n $goutput |
 302                 jq -e ".[].vlans[] | select(.vlan == 10 and \
 303                                             .mcast_last_member_count == 2) " &>/dev/null
 304         check_err $? "Wrong default mcast_last_member_count global vlan option value"
 305         log_test "Vlan mcast_last_member_count global option default value"
 306
 307         RET=0
 308         echo -n $goutput |
 309                 jq -e ".[].vlans[] | select(.vlan == 10 and \
 310                                             .mcast_last_member_interval == 100) " &>/dev/null
 311         check_err $? "Wrong default mcast_last_member_interval global vlan option value"
 312         log_test "Vlan mcast_last_member_interval global option default value"
 313
 314         RET=0
 315         bridge vlan global set vid 10 dev br0 mcast_snooping 1 mcast_last_member_count 3
 316         check_err $? "Could not set mcast_last_member_count in vlan 10"
 317         log_test "Vlan 10 mcast_last_member_count option changed to 3"
 318         bridge vlan global set vid 10 dev br0 mcast_snooping 1 mcast_last_member_count 2
 319
 320         RET=0
 321         bridge vlan global set vid 10 dev br0 mcast_snooping 1 mcast_last_member_interval 200
 322         check_err $? "Could not set mcast_last_member_interval in vlan 10"
 323         log_test "Vlan 10 mcast_last_member_interval option changed to 200"
 324         bridge vlan global set vid 10 dev br0 mcast_snooping 1 mcast_last_member_interval 100
 325 }
 326
 327 vlmc_startup_query_test()
 328 {
 329         RET=0
 330         local goutput=`bridge -j vlan global show`
 331         echo -n $goutput |
 332                 jq -e ".[].vlans[] | select(.vlan == 10)" &>/dev/null
 333         check_err $? "Could not find vlan 10's global options"
 334
 335         echo -n $goutput |
 336                 jq -e ".[].vlans[] | select(.vlan == 10 and \
 337                                             .mcast_startup_query_interval == 3125) " &>/dev/null
 338         check_err $? "Wrong default mcast_startup_query_interval global vlan option value"
 339         log_test "Vlan mcast_startup_query_interval global option default value"
 340
 341         RET=0
 342         echo -n $goutput |
 343                 jq -e ".[].vlans[] | select(.vlan == 10 and \
 344                                             .mcast_startup_query_count == 2) " &>/dev/null
 345         check_err $? "Wrong default mcast_startup_query_count global vlan option value"
 346         log_test "Vlan mcast_startup_query_count global option default value"
 347
 348         RET=0
 349         bridge vlan global set vid 10 dev br0 mcast_snooping 1 mcast_startup_query_interval 100
 350         check_err $? "Could not set mcast_startup_query_interval in vlan 10"
 351         vlmc_check_query igmp 2 $swp1 2 3
 352         check_err $? "Wrong number of tagged IGMPv2 general queries sent"
 353         log_test "Vlan 10 mcast_startup_query_interval option changed to 100"
 354
 355         RET=0
 356         bridge vlan global set vid 10 dev br0 mcast_snooping 1 mcast_startup_query_count 3
 357         check_err $? "Could not set mcast_startup_query_count in vlan 10"
 358         vlmc_check_query igmp 2 $swp1 3 4
 359         check_err $? "Wrong number of tagged IGMPv2 general queries sent"
 360         log_test "Vlan 10 mcast_startup_query_count option changed to 3"
 361
 362         bridge vlan global set vid 10 dev br0 mcast_snooping 1 mcast_startup_query_interval 3125
 363         bridge vlan global set vid 10 dev br0 mcast_snooping 1 mcast_startup_query_count 2
 364 }
 365
 366 vlmc_membership_test()
 367 {
 368         RET=0
 369         local goutput=`bridge -j vlan global show`
 370         echo -n $goutput |
 371                 jq -e ".[].vlans[] | select(.vlan == 10)" &>/dev/null
 372         check_err $? "Could not find vlan 10's global options"
 373
 374         echo -n $goutput |
 375                 jq -e ".[].vlans[] | select(.vlan == 10 and \
 376                                             .mcast_membership_interval == 26000) " &>/dev/null
 377         check_err $? "Wrong default mcast_membership_interval global vlan option value"
 378         log_test "Vlan mcast_membership_interval global option default value"
 379
 380         RET=0
 381         bridge vlan global set vid 10 dev br0 mcast_snooping 1 mcast_membership_interval 200
 382         check_err $? "Could not set mcast_membership_interval in vlan 10"
 383         log_test "Vlan 10 mcast_membership_interval option changed to 200"
 384
 385         RET=0
 386         vlmc_v2join_test 1
 387         log_test "Vlan 10 mcast_membership_interval mdb entry expire"
 388
 389         bridge vlan global set vid 10 dev br0 mcast_snooping 1 mcast_membership_interval 26000
 390 }
 391
 392 vlmc_querier_intvl_test()
 393 {
 394         RET=0
 395         local goutput=`bridge -j vlan global show`
 396         echo -n $goutput |
 397                 jq -e ".[].vlans[] | select(.vlan == 10)" &>/dev/null
 398         check_err $? "Could not find vlan 10's global options"
 399
 400         echo -n $goutput |
 401                 jq -e ".[].vlans[] | select(.vlan == 10 and \
 402                                             .mcast_querier_interval == 25500) " &>/dev/null
 403         check_err $? "Wrong default mcast_querier_interval global vlan option value"
 404         log_test "Vlan mcast_querier_interval global option default value"
 405
 406         RET=0
 407         bridge vlan global set vid 10 dev br0 mcast_snooping 1 mcast_querier_interval 100
 408         check_err $? "Could not set mcast_querier_interval in vlan 10"
 409         log_test "Vlan 10 mcast_querier_interval option changed to 100"
 410
 411         RET=0
 412         ip link add dev br1 type bridge mcast_snooping 1 mcast_querier 1 vlan_filtering 1 \
 413                                         mcast_vlan_snooping 1
 414         bridge vlan add vid 10 dev br1 self pvid untagged
 415         ip link set dev $h1 master br1
 416         ip link set dev br1 up
 417         bridge vlan add vid 10 dev $h1 master
 418         bridge vlan global set vid 10 dev br1 mcast_snooping 1 mcast_querier 1
 419         sleep 2
 420         ip link del dev br1
 421         ip addr replace 2001:db8:1::1/64 dev $h1
 422         vlmc_check_query igmp 2 $swp1 1 1
 423         check_err $? "Wrong number of IGMPv2 general queries after querier interval"
 424         log_test "Vlan 10 mcast_querier_interval expire after outside query"
 425
 426         bridge vlan global set vid 10 dev br0 mcast_snooping 1 mcast_querier_interval 25500
 427 }
 428
 429 vlmc_query_intvl_test()
 430 {
 431         RET=0
 432         local goutput=`bridge -j vlan global show`
 433         echo -n $goutput |
 434                 jq -e ".[].vlans[] | select(.vlan == 10)" &>/dev/null
 435         check_err $? "Could not find vlan 10's global options"
 436
 437         echo -n $goutput |
 438                 jq -e ".[].vlans[] | select(.vlan == 10 and \
 439                                             .mcast_query_interval == 12500) " &>/dev/null
 440         check_err $? "Wrong default mcast_query_interval global vlan option value"
 441         log_test "Vlan mcast_query_interval global option default value"
 442
 443         RET=0
 444         bridge vlan global set vid 10 dev br0 mcast_snooping 1 mcast_startup_query_count 0
 445         bridge vlan global set vid 10 dev br0 mcast_snooping 1 mcast_query_interval 200
 446         check_err $? "Could not set mcast_query_interval in vlan 10"
 447         # 1 is sent immediately, then 2 more in the next 5 seconds
 448         vlmc_check_query igmp 2 $swp1 3 5
 449         check_err $? "Wrong number of tagged IGMPv2 general queries sent"
 450         log_test "Vlan 10 mcast_query_interval option changed to 200"
 451
 452         bridge vlan global set vid 10 dev br0 mcast_snooping 1 mcast_startup_query_count 2
 453         bridge vlan global set vid 10 dev br0 mcast_snooping 1 mcast_query_interval 12500
 454 }
 455
 456 vlmc_query_response_intvl_test()
 457 {
 458         RET=0
 459         local goutput=`bridge -j vlan global show`
 460         echo -n $goutput |
 461                 jq -e ".[].vlans[] | select(.vlan == 10)" &>/dev/null
 462         check_err $? "Could not find vlan 10's global options"
 463
 464         echo -n $goutput |
 465                 jq -e ".[].vlans[] | select(.vlan == 10 and \
 466                                             .mcast_query_response_interval == 1000) " &>/dev/null
 467         check_err $? "Wrong default mcast_query_response_interval global vlan option value"
 468         log_test "Vlan mcast_query_response_interval global option default value"
 469
 470         RET=0
 471         bridge vlan global set vid 10 dev br0 mcast_snooping 1 mcast_query_response_interval 200
 472         check_err $? "Could not set mcast_query_response_interval in vlan 10"
 473         log_test "Vlan 10 mcast_query_response_interval option changed to 200"
 474
 475         bridge vlan global set vid 10 dev br0 mcast_snooping 1 mcast_query_response_interval 1000
 476 }
 477
 478 vlmc_router_port_test()
 479 {
 480         RET=0
 481         local goutput=`bridge -j -d vlan show`
 482         echo -n $goutput |
 483                 jq -e ".[] | select(.ifname == \"$swp1\" and \
 484                                     .vlans[].vlan == 10)" &>/dev/null
 485         check_err $? "Could not find port vlan 10's options"
 486
 487         echo -n $goutput |
 488                 jq -e ".[] | select(.ifname == \"$swp1\" and \
 489                                     .vlans[].vlan == 10 and \
 490                                     .vlans[].mcast_router == 1)" &>/dev/null
 491         check_err $? "Wrong default port mcast_router option value"
 492         log_test "Port vlan 10 option mcast_router default value"
 493
 494         RET=0
 495         bridge vlan set vid 10 dev $swp1 mcast_router 2
 496         check_err $? "Could not set port vlan 10's mcast_router option"
 497         log_test "Port vlan 10 mcast_router option changed to 2"
 498
 499         RET=0
 500         tc filter add dev $swp1 egress pref 10 prot 802.1Q \
 501                 flower vlan_id 10 vlan_ethtype ipv4 dst_ip 239.1.1.1 ip_proto udp action pass
 502         tc filter add dev $swp2 egress pref 10 prot 802.1Q \
 503                 flower vlan_id 10 vlan_ethtype ipv4 dst_ip 239.1.1.1 ip_proto udp action pass
 504         bridge vlan set vid 10 dev $swp2 mcast_router 0
 505         # we need to enable querier and disable query response interval to
 506         # make sure packets are flooded only to router ports
 507         bridge vlan global set vid 10 dev br0 mcast_snooping 1 mcast_querier 1 \
 508                                               mcast_query_response_interval 0
 509         bridge vlan add vid 10 dev br0 self
 510         sleep 1
 511         mausezahn br0 -Q 10 -c 10 -p 128 -b 01:00:5e:01:01:01 -B 239.1.1.1 \
 512                         -t udp "dp=1024" &>/dev/null
 513         local swp1_tcstats=$(tc_rule_stats_get $swp1 10 egress)
 514         if [[ $swp1_tcstats != 10 ]]; then
 515                 check_err 1 "Wrong number of vlan 10 multicast packets flooded"
 516         fi
 517         local swp2_tcstats=$(tc_rule_stats_get $swp2 10 egress)
 518         check_err $swp2_tcstats "Vlan 10 multicast packets flooded to non-router port"
 519         log_test "Flood unknown vlan multicast packets to router port only"
 520
 521         tc filter del dev $swp2 egress pref 10
 522         tc filter del dev $swp1 egress pref 10
 523         bridge vlan del vid 10 dev br0 self
 524         bridge vlan global set vid 10 dev br0 mcast_snooping 1 mcast_query_response_interval 1000
 525         bridge vlan set vid 10 dev $swp2 mcast_router 1
 526         bridge vlan set vid 10 dev $swp1 mcast_router 1
 527 }
 528
 529 vlmc_filtering_test()
 530 {
 531         RET=0
 532         ip link set dev br0 type bridge vlan_filtering 0
 533         ip -j -d link show dev br0 | \
 534         jq -e "select(.[0].linkinfo.info_data.mcast_vlan_snooping == 1)" &>/dev/null
 535         check_fail $? "Vlan filtering is disabled but multicast vlan snooping is still enabled"
 536         log_test "Disable multicast vlan snooping when vlan filtering is disabled"
 537 }
 538
 539 trap cleanup EXIT
 540
 541 setup_prepare
 542 setup_wait
 543
 544 tests_run
 545
 546 exit $EXIT_STATUS