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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 | #!/bin/bash # SPDX-License-Identifier: GPL-2.0 # # Test devlink-trap L2 drops functionality over mlxsw. Each registered L2 drop # packet trap is tested to make sure it is triggered under the right # conditions. lib_dir=$(dirname $0)/../../../net/forwarding ALL_TESTS=" source_mac_is_multicast_test vlan_tag_mismatch_test ingress_vlan_filter_test ingress_stp_filter_test port_list_is_empty_test port_loopback_filter_test locked_port_test " NUM_NETIFS=4 source $lib_dir/tc_common.sh source $lib_dir/lib.sh source $lib_dir/devlink_lib.sh h1_create() { simple_if_init $h1 } h1_destroy() { simple_if_fini $h1 } h2_create() { simple_if_init $h2 } h2_destroy() { simple_if_fini $h2 } switch_create() { ip link add dev br0 type bridge vlan_filtering 1 mcast_snooping 0 ip link set dev $swp1 master br0 ip link set dev $swp2 master br0 ip link set dev br0 up ip link set dev $swp1 up ip link set dev $swp2 up tc qdisc add dev $swp2 clsact } switch_destroy() { tc qdisc del dev $swp2 clsact ip link set dev $swp2 down ip link set dev $swp1 down ip link del dev br0 } setup_prepare() { h1=${NETIFS[p1]} swp1=${NETIFS[p2]} swp2=${NETIFS[p3]} h2=${NETIFS[p4]} vrf_prepare h1_create h2_create switch_create } cleanup() { pre_cleanup switch_destroy h2_destroy h1_destroy vrf_cleanup } source_mac_is_multicast_test() { local trap_name="source_mac_is_multicast" local smac=01:02:03:04:05:06 local mz_pid tc filter add dev $swp2 egress protocol ip pref 1 handle 101 \ flower src_mac $smac action drop $MZ $h1 -c 0 -p 100 -a $smac -b bcast -t ip -d 1msec -q & mz_pid=$! RET=0 devlink_trap_drop_test $trap_name $swp2 101 log_test "Source MAC is multicast" devlink_trap_drop_cleanup $mz_pid $swp2 ip 1 101 } __vlan_tag_mismatch_test() { local trap_name="vlan_tag_mismatch" local dmac=de:ad:be:ef:13:37 local opt=$1; shift local mz_pid # Remove PVID flag. This should prevent untagged and prio-tagged # packets from entering the bridge. bridge vlan add vid 1 dev $swp1 untagged master tc filter add dev $swp2 egress protocol ip pref 1 handle 101 \ flower dst_mac $dmac action drop $MZ $h1 "$opt" -c 0 -p 100 -a own -b $dmac -t ip -d 1msec -q & mz_pid=$! devlink_trap_drop_test $trap_name $swp2 101 # Add PVID and make sure packets are no longer dropped. bridge vlan add vid 1 dev $swp1 pvid untagged master devlink_trap_action_set $trap_name "trap" devlink_trap_stats_idle_test $trap_name check_err $? "Trap stats not idle when packets should not be dropped" devlink_trap_group_stats_idle_test $(devlink_trap_group_get $trap_name) check_err $? "Trap group stats not idle with when packets should not be dropped" tc_check_packets "dev $swp2 egress" 101 0 check_fail $? "Packets not forwarded when should" devlink_trap_action_set $trap_name "drop" devlink_trap_drop_cleanup $mz_pid $swp2 ip 1 101 } vlan_tag_mismatch_untagged_test() { RET=0 __vlan_tag_mismatch_test log_test "VLAN tag mismatch - untagged packets" } vlan_tag_mismatch_vid_0_test() { RET=0 __vlan_tag_mismatch_test "-Q 0" log_test "VLAN tag mismatch - prio-tagged packets" } vlan_tag_mismatch_test() { vlan_tag_mismatch_untagged_test vlan_tag_mismatch_vid_0_test } ingress_vlan_filter_test() { local trap_name="ingress_vlan_filter" local dmac=de:ad:be:ef:13:37 local mz_pid local vid=10 bridge vlan add vid $vid dev $swp2 master RET=0 tc filter add dev $swp2 egress protocol ip pref 1 handle 101 \ flower dst_mac $dmac action drop $MZ $h1 -Q $vid -c 0 -p 100 -a own -b $dmac -t ip -d 1msec -q & mz_pid=$! devlink_trap_drop_test $trap_name $swp2 101 # Add the VLAN on the bridge port and make sure packets are no longer # dropped. bridge vlan add vid $vid dev $swp1 master devlink_trap_action_set $trap_name "trap" devlink_trap_stats_idle_test $trap_name check_err $? "Trap stats not idle when packets should not be dropped" devlink_trap_group_stats_idle_test $(devlink_trap_group_get $trap_name) check_err $? "Trap group stats not idle with when packets should not be dropped" tc_check_packets "dev $swp2 egress" 101 0 check_fail $? "Packets not forwarded when should" devlink_trap_action_set $trap_name "drop" log_test "Ingress VLAN filter" devlink_trap_drop_cleanup $mz_pid $swp2 ip 1 101 bridge vlan del vid $vid dev $swp1 master bridge vlan del vid $vid dev $swp2 master } __ingress_stp_filter_test() { local trap_name="ingress_spanning_tree_filter" local dmac=de:ad:be:ef:13:37 local state=$1; shift local mz_pid local vid=20 bridge vlan add vid $vid dev $swp2 master bridge vlan add vid $vid dev $swp1 master ip link set dev $swp1 type bridge_slave state $state tc filter add dev $swp2 egress protocol ip pref 1 handle 101 \ flower dst_mac $dmac action drop $MZ $h1 -Q $vid -c 0 -p 100 -a own -b $dmac -t ip -d 1msec -q & mz_pid=$! devlink_trap_drop_test $trap_name $swp2 101 # Change STP state to forwarding and make sure packets are no longer # dropped. ip link set dev $swp1 type bridge_slave state 3 devlink_trap_action_set $trap_name "trap" devlink_trap_stats_idle_test $trap_name check_err $? "Trap stats not idle when packets should not be dropped" devlink_trap_group_stats_idle_test $(devlink_trap_group_get $trap_name) check_err $? "Trap group stats not idle with when packets should not be dropped" tc_check_packets "dev $swp2 egress" 101 0 check_fail $? "Packets not forwarded when should" devlink_trap_action_set $trap_name "drop" devlink_trap_drop_cleanup $mz_pid $swp2 ip 1 101 bridge vlan del vid $vid dev $swp1 master bridge vlan del vid $vid dev $swp2 master } ingress_stp_filter_listening_test() { local state=$1; shift RET=0 __ingress_stp_filter_test $state log_test "Ingress STP filter - listening state" } ingress_stp_filter_learning_test() { local state=$1; shift RET=0 __ingress_stp_filter_test $state log_test "Ingress STP filter - learning state" } ingress_stp_filter_test() { ingress_stp_filter_listening_test 1 ingress_stp_filter_learning_test 2 } port_list_is_empty_uc_test() { local trap_name="port_list_is_empty" local dmac=de:ad:be:ef:13:37 local mz_pid # Disable unicast flooding on both ports, so that packets cannot egress # any port. ip link set dev $swp1 type bridge_slave flood off ip link set dev $swp2 type bridge_slave flood off RET=0 tc filter add dev $swp2 egress protocol ip pref 1 handle 101 \ flower dst_mac $dmac action drop $MZ $h1 -c 0 -p 100 -a own -b $dmac -t ip -d 1msec -q & mz_pid=$! devlink_trap_drop_test $trap_name $swp2 101 # Allow packets to be flooded to one port. ip link set dev $swp2 type bridge_slave flood on devlink_trap_action_set $trap_name "trap" devlink_trap_stats_idle_test $trap_name check_err $? "Trap stats not idle when packets should not be dropped" devlink_trap_group_stats_idle_test $(devlink_trap_group_get $trap_name) check_err $? "Trap group stats not idle with when packets should not be dropped" tc_check_packets "dev $swp2 egress" 101 0 check_fail $? "Packets not forwarded when should" devlink_trap_action_set $trap_name "drop" log_test "Port list is empty - unicast" devlink_trap_drop_cleanup $mz_pid $swp2 ip 1 101 ip link set dev $swp1 type bridge_slave flood on } port_list_is_empty_mc_test() { local trap_name="port_list_is_empty" local dmac=01:00:5e:00:00:01 local dip=239.0.0.1 local mz_pid # Disable multicast flooding on both ports, so that packets cannot # egress any port. We also need to flush IP addresses from the bridge # in order to prevent packets from being flooded to the router port. ip link set dev $swp1 type bridge_slave mcast_flood off ip link set dev $swp2 type bridge_slave mcast_flood off ip address flush dev br0 RET=0 tc filter add dev $swp2 egress protocol ip pref 1 handle 101 \ flower dst_mac $dmac action drop $MZ $h1 -c 0 -p 100 -a own -b $dmac -t ip -B $dip -d 1msec -q & mz_pid=$! devlink_trap_drop_test $trap_name $swp2 101 # Allow packets to be flooded to one port. ip link set dev $swp2 type bridge_slave mcast_flood on devlink_trap_action_set $trap_name "trap" devlink_trap_stats_idle_test $trap_name check_err $? "Trap stats not idle when packets should not be dropped" devlink_trap_group_stats_idle_test $(devlink_trap_group_get $trap_name) check_err $? "Trap group stats not idle with when packets should not be dropped" tc_check_packets "dev $swp2 egress" 101 0 check_fail $? "Packets not forwarded when should" devlink_trap_action_set $trap_name "drop" log_test "Port list is empty - multicast" devlink_trap_drop_cleanup $mz_pid $swp2 ip 1 101 ip link set dev $swp1 type bridge_slave mcast_flood on } port_list_is_empty_test() { port_list_is_empty_uc_test port_list_is_empty_mc_test } port_loopback_filter_uc_test() { local trap_name="port_loopback_filter" local dmac=de:ad:be:ef:13:37 local mz_pid # Make sure packets can only egress the input port. ip link set dev $swp2 type bridge_slave flood off RET=0 tc filter add dev $swp2 egress protocol ip pref 1 handle 101 \ flower dst_mac $dmac action drop $MZ $h1 -c 0 -p 100 -a own -b $dmac -t ip -d 1msec -q & mz_pid=$! devlink_trap_drop_test $trap_name $swp2 101 # Allow packets to be flooded. ip link set dev $swp2 type bridge_slave flood on devlink_trap_action_set $trap_name "trap" devlink_trap_stats_idle_test $trap_name check_err $? "Trap stats not idle when packets should not be dropped" devlink_trap_group_stats_idle_test $(devlink_trap_group_get $trap_name) check_err $? "Trap group stats not idle with when packets should not be dropped" tc_check_packets "dev $swp2 egress" 101 0 check_fail $? "Packets not forwarded when should" devlink_trap_action_set $trap_name "drop" log_test "Port loopback filter - unicast" devlink_trap_drop_cleanup $mz_pid $swp2 ip 1 101 } port_loopback_filter_test() { port_loopback_filter_uc_test } locked_port_miss_test() { local trap_name="locked_port" local smac=00:11:22:33:44:55 bridge link set dev $swp1 learning off bridge link set dev $swp1 locked on RET=0 devlink_trap_stats_check $trap_name $MZ $h1 -c 1 \ -a $smac -b $(mac_get $h2) -A 192.0.2.1 -B 192.0.2.2 -p 100 -q check_fail $? "Trap stats increased before setting action to \"trap\"" devlink_trap_action_set $trap_name "trap" devlink_trap_stats_check $trap_name $MZ $h1 -c 1 \ -a $smac -b $(mac_get $h2) -A 192.0.2.1 -B 192.0.2.2 -p 100 -q check_err $? "Trap stats did not increase when should" devlink_trap_action_set $trap_name "drop" devlink_trap_stats_check $trap_name $MZ $h1 -c 1 \ -a $smac -b $(mac_get $h2) -A 192.0.2.1 -B 192.0.2.2 -p 100 -q check_fail $? "Trap stats increased after setting action to \"drop\"" devlink_trap_action_set $trap_name "trap" bridge fdb replace $smac dev $swp1 master static vlan 1 devlink_trap_stats_check $trap_name $MZ $h1 -c 1 \ -a $smac -b $(mac_get $h2) -A 192.0.2.1 -B 192.0.2.2 -p 100 -q check_fail $? "Trap stats increased after adding an FDB entry" bridge fdb del $smac dev $swp1 master static vlan 1 bridge link set dev $swp1 locked off devlink_trap_stats_check $trap_name $MZ $h1 -c 1 \ -a $smac -b $(mac_get $h2) -A 192.0.2.1 -B 192.0.2.2 -p 100 -q check_fail $? "Trap stats increased after unlocking port" log_test "Locked port - FDB miss" devlink_trap_action_set $trap_name "drop" bridge link set dev $swp1 learning on } locked_port_mismatch_test() { local trap_name="locked_port" local smac=00:11:22:33:44:55 bridge link set dev $swp1 learning off bridge link set dev $swp1 locked on RET=0 bridge fdb replace $smac dev $swp2 master static vlan 1 devlink_trap_stats_check $trap_name $MZ $h1 -c 1 \ -a $smac -b $(mac_get $h2) -A 192.0.2.1 -B 192.0.2.2 -p 100 -q check_fail $? "Trap stats increased before setting action to \"trap\"" devlink_trap_action_set $trap_name "trap" devlink_trap_stats_check $trap_name $MZ $h1 -c 1 \ -a $smac -b $(mac_get $h2) -A 192.0.2.1 -B 192.0.2.2 -p 100 -q check_err $? "Trap stats did not increase when should" devlink_trap_action_set $trap_name "drop" devlink_trap_stats_check $trap_name $MZ $h1 -c 1 \ -a $smac -b $(mac_get $h2) -A 192.0.2.1 -B 192.0.2.2 -p 100 -q check_fail $? "Trap stats increased after setting action to \"drop\"" devlink_trap_action_set $trap_name "trap" bridge link set dev $swp1 locked off devlink_trap_stats_check $trap_name $MZ $h1 -c 1 \ -a $smac -b $(mac_get $h2) -A 192.0.2.1 -B 192.0.2.2 -p 100 -q check_fail $? "Trap stats increased after unlocking port" bridge link set dev $swp1 locked on bridge fdb replace $smac dev $swp1 master static vlan 1 devlink_trap_stats_check $trap_name $MZ $h1 -c 1 \ -a $smac -b $(mac_get $h2) -A 192.0.2.1 -B 192.0.2.2 -p 100 -q check_fail $? "Trap stats increased after replacing an FDB entry" bridge fdb del $smac dev $swp1 master static vlan 1 devlink_trap_action_set $trap_name "drop" log_test "Locked port - FDB mismatch" bridge link set dev $swp1 locked off bridge link set dev $swp1 learning on } locked_port_test() { locked_port_miss_test locked_port_mismatch_test } trap cleanup EXIT setup_prepare setup_wait tests_run exit $EXIT_STATUS |