1#!/bin/bash 2# SPDX-License-Identifier: GPL-2.0 3 4# This test is for checking IPv4 and IPv6 FIB rules API 5 6source lib.sh 7ret=0 8PAUSE_ON_FAIL=${PAUSE_ON_FAIL:=no} 9 10RTABLE=100 11RTABLE_PEER=101 12RTABLE_VRF=102 13GW_IP4=192.51.100.2 14SRC_IP=192.51.100.3 15GW_IP6=2001:db8:1::2 16SRC_IP6=2001:db8:1::3 17 18DEV_ADDR=192.51.100.1 19DEV_ADDR6=2001:db8:1::1 20DEV=dummy0 21TESTS=" 22 fib_rule6 23 fib_rule4 24 fib_rule6_connect 25 fib_rule4_connect 26 fib_rule6_vrf 27 fib_rule4_vrf 28" 29 30SELFTEST_PATH="" 31 32log_test() 33{ 34 local rc=$1 35 local expected=$2 36 local msg="$3" 37 38 if [ ${rc} -eq ${expected} ]; then 39 nsuccess=$((nsuccess+1)) 40 printf " TEST: %-60s [ OK ]\n" "${msg}" 41 else 42 ret=1 43 nfail=$((nfail+1)) 44 printf " TEST: %-60s [FAIL]\n" "${msg}" 45 if [ "${PAUSE_ON_FAIL}" = "yes" ]; then 46 echo 47 echo "hit enter to continue, 'q' to quit" 48 read a 49 [ "$a" = "q" ] && exit 1 50 fi 51 fi 52} 53 54setup() 55{ 56 set -e 57 setup_ns testns 58 IP="ip -netns $testns" 59 60 $IP link add dummy0 type dummy 61 $IP link set dev dummy0 up 62 $IP address add $DEV_ADDR/24 dev dummy0 63 $IP -6 address add $DEV_ADDR6/64 dev dummy0 64 65 set +e 66} 67 68cleanup() 69{ 70 $IP link del dev dummy0 &> /dev/null 71 cleanup_ns $testns 72} 73 74setup_peer() 75{ 76 set -e 77 78 setup_ns peerns 79 IP_PEER="ip -netns $peerns" 80 $IP_PEER link set dev lo up 81 82 ip link add name veth0 netns $testns type veth \ 83 peer name veth1 netns $peerns 84 $IP link set dev veth0 up 85 $IP_PEER link set dev veth1 up 86 87 $IP address add 192.0.2.10 peer 192.0.2.11/32 dev veth0 88 $IP_PEER address add 192.0.2.11 peer 192.0.2.10/32 dev veth1 89 90 $IP address add 2001:db8::10 peer 2001:db8::11/128 dev veth0 nodad 91 $IP_PEER address add 2001:db8::11 peer 2001:db8::10/128 dev veth1 nodad 92 93 $IP_PEER address add 198.51.100.11/32 dev lo 94 $IP route add table $RTABLE_PEER 198.51.100.11/32 via 192.0.2.11 95 96 $IP_PEER address add 2001:db8::1:11/128 dev lo 97 $IP route add table $RTABLE_PEER 2001:db8::1:11/128 via 2001:db8::11 98 99 set +e 100} 101 102cleanup_peer() 103{ 104 $IP link del dev veth0 105 ip netns del $peerns 106} 107 108setup_vrf() 109{ 110 $IP link add name vrf0 up type vrf table $RTABLE_VRF 111 $IP link set dev $DEV master vrf0 112} 113 114cleanup_vrf() 115{ 116 $IP link del dev vrf0 117} 118 119fib_check_iproute_support() 120{ 121 ip rule help 2>&1 | grep -q $1 122 if [ $? -ne 0 ]; then 123 echo "SKIP: iproute2 iprule too old, missing $1 match" 124 return 1 125 fi 126 127 ip route get help 2>&1 | grep -q $2 128 if [ $? -ne 0 ]; then 129 echo "SKIP: iproute2 get route too old, missing $2 match" 130 return 1 131 fi 132 133 return 0 134} 135 136fib_rule6_del() 137{ 138 $IP -6 rule del $1 139 log_test $? 0 "rule6 del $1" 140} 141 142fib_rule6_del_by_pref() 143{ 144 pref=$($IP -6 rule show $1 table $RTABLE | cut -d ":" -f 1) 145 $IP -6 rule del pref $pref 146} 147 148fib_rule6_test_match_n_redirect() 149{ 150 local match="$1" 151 local getmatch="$2" 152 local getnomatch="$3" 153 local description="$4" 154 local nomatch_description="$5" 155 156 $IP -6 rule add $match table $RTABLE 157 $IP -6 route get $GW_IP6 $getmatch | grep -q "table $RTABLE" 158 log_test $? 0 "rule6 check: $description" 159 160 $IP -6 route get $GW_IP6 $getnomatch 2>&1 | grep -q "table $RTABLE" 161 log_test $? 1 "rule6 check: $nomatch_description" 162 163 fib_rule6_del_by_pref "$match" 164 log_test $? 0 "rule6 del by pref: $description" 165} 166 167fib_rule6_test_reject() 168{ 169 local match="$1" 170 local rc 171 172 $IP -6 rule add $match table $RTABLE 2>/dev/null 173 rc=$? 174 log_test $rc 2 "rule6 check: $match" 175 176 if [ $rc -eq 0 ]; then 177 $IP -6 rule del $match table $RTABLE 178 fi 179} 180 181fib_rule6_test() 182{ 183 local ext_name=$1; shift 184 local getnomatch 185 local getmatch 186 local match 187 local cnt 188 189 echo 190 echo "IPv6 FIB rule tests $ext_name" 191 192 # setup the fib rule redirect route 193 $IP -6 route add table $RTABLE default via $GW_IP6 dev $DEV onlink 194 195 match="oif $DEV" 196 getnomatch="oif lo" 197 fib_rule6_test_match_n_redirect "$match" "$match" "$getnomatch" \ 198 "oif redirect to table" "oif no redirect to table" 199 200 match="from $SRC_IP6 iif $DEV" 201 getnomatch="from $SRC_IP6 iif lo" 202 fib_rule6_test_match_n_redirect "$match" "$match" "$getnomatch" \ 203 "iif redirect to table" "iif no redirect to table" 204 205 # Reject dsfield (tos) options which have ECN bits set 206 for cnt in $(seq 1 3); do 207 match="dsfield $cnt" 208 fib_rule6_test_reject "$match" 209 done 210 211 # Don't take ECN bits into account when matching on dsfield 212 match="tos 0x10" 213 for cnt in "0x10" "0x11" "0x12" "0x13"; do 214 # Using option 'tos' instead of 'dsfield' as old iproute2 215 # versions don't support 'dsfield' in ip rule show. 216 getmatch="tos $cnt" 217 getnomatch="tos 0x20" 218 fib_rule6_test_match_n_redirect "$match" "$getmatch" \ 219 "$getnomatch" "$getmatch redirect to table" \ 220 "$getnomatch no redirect to table" 221 done 222 223 # Re-test TOS matching, but with input routes since they are handled 224 # differently from output routes. 225 match="tos 0x10" 226 for cnt in "0x10" "0x11" "0x12" "0x13"; do 227 getmatch="tos $cnt" 228 getnomatch="tos 0x20" 229 fib_rule6_test_match_n_redirect "$match" \ 230 "from $SRC_IP6 iif $DEV $getmatch" \ 231 "from $SRC_IP6 iif $DEV $getnomatch" \ 232 "iif $getmatch redirect to table" \ 233 "iif $getnomatch no redirect to table" 234 done 235 236 match="fwmark 0x64" 237 getmatch="mark 0x64" 238 getnomatch="mark 0x63" 239 fib_rule6_test_match_n_redirect "$match" "$getmatch" "$getnomatch" \ 240 "fwmark redirect to table" "fwmark no redirect to table" 241 242 fib_check_iproute_support "uidrange" "uid" 243 if [ $? -eq 0 ]; then 244 match="uidrange 100-100" 245 getmatch="uid 100" 246 getnomatch="uid 101" 247 fib_rule6_test_match_n_redirect "$match" "$getmatch" \ 248 "$getnomatch" "uid redirect to table" \ 249 "uid no redirect to table" 250 fi 251 252 fib_check_iproute_support "sport" "sport" 253 if [ $? -eq 0 ]; then 254 match="sport 666 dport 777" 255 getnomatch="sport 667 dport 778" 256 fib_rule6_test_match_n_redirect "$match" "$match" \ 257 "$getnomatch" "sport and dport redirect to table" \ 258 "sport and dport no redirect to table" 259 260 match="sport 100-200 dport 300-400" 261 getmatch="sport 100 dport 400" 262 getnomatch="sport 100 dport 401" 263 fib_rule6_test_match_n_redirect "$match" "$getmatch" \ 264 "$getnomatch" \ 265 "sport and dport range redirect to table" \ 266 "sport and dport range no redirect to table" 267 fi 268 269 ip rule help 2>&1 | grep sport | grep -q MASK 270 if [ $? -eq 0 ]; then 271 match="sport 0x0f00/0xff00 dport 0x000f/0x00ff" 272 getmatch="sport 0x0f11 dport 0x220f" 273 getnomatch="sport 0x1f11 dport 0x221f" 274 fib_rule6_test_match_n_redirect "$match" "$getmatch" \ 275 "$getnomatch" "sport and dport masked redirect to table" \ 276 "sport and dport masked no redirect to table" 277 fi 278 279 fib_check_iproute_support "ipproto" "ipproto" 280 if [ $? -eq 0 ]; then 281 match="ipproto tcp" 282 getnomatch="ipproto udp" 283 fib_rule6_test_match_n_redirect "$match" "$match" \ 284 "$getnomatch" "ipproto tcp match" "ipproto udp no match" 285 fi 286 287 fib_check_iproute_support "ipproto" "ipproto" 288 if [ $? -eq 0 ]; then 289 match="ipproto ipv6-icmp" 290 getnomatch="ipproto tcp" 291 fib_rule6_test_match_n_redirect "$match" "$match" \ 292 "$getnomatch" "ipproto ipv6-icmp match" \ 293 "ipproto ipv6-tcp no match" 294 fi 295 296 fib_check_iproute_support "dscp" "tos" 297 if [ $? -eq 0 ]; then 298 match="dscp 0x3f" 299 getmatch="tos 0xfc" 300 getnomatch="tos 0xf4" 301 fib_rule6_test_match_n_redirect "$match" "$getmatch" \ 302 "$getnomatch" "dscp redirect to table" \ 303 "dscp no redirect to table" 304 305 match="dscp 0x3f" 306 getmatch="from $SRC_IP6 iif $DEV tos 0xfc" 307 getnomatch="from $SRC_IP6 iif $DEV tos 0xf4" 308 fib_rule6_test_match_n_redirect "$match" "$getmatch" \ 309 "$getnomatch" "iif dscp redirect to table" \ 310 "iif dscp no redirect to table" 311 fi 312 313 ip rule help 2>&1 | grep -q "DSCP\[/MASK\]" 314 if [ $? -eq 0 ]; then 315 match="dscp 0x0f/0x0f" 316 tosmatch=$(printf 0x"%x" $((0x1f << 2))) 317 tosnomatch=$(printf 0x"%x" $((0x1e << 2))) 318 getmatch="tos $tosmatch" 319 getnomatch="tos $tosnomatch" 320 fib_rule6_test_match_n_redirect "$match" "$getmatch" \ 321 "$getnomatch" "dscp masked redirect to table" \ 322 "dscp masked no redirect to table" 323 324 match="dscp 0x0f/0x0f" 325 getmatch="from $SRC_IP6 iif $DEV tos $tosmatch" 326 getnomatch="from $SRC_IP6 iif $DEV tos $tosnomatch" 327 fib_rule6_test_match_n_redirect "$match" "$getmatch" \ 328 "$getnomatch" "iif dscp masked redirect to table" \ 329 "iif dscp masked no redirect to table" 330 fi 331 332 fib_check_iproute_support "flowlabel" "flowlabel" 333 if [ $? -eq 0 ]; then 334 match="flowlabel 0xfffff" 335 getmatch="flowlabel 0xfffff" 336 getnomatch="flowlabel 0xf" 337 fib_rule6_test_match_n_redirect "$match" "$getmatch" \ 338 "$getnomatch" "flowlabel redirect to table" \ 339 "flowlabel no redirect to table" 340 341 match="flowlabel 0xfffff" 342 getmatch="from $SRC_IP6 iif $DEV flowlabel 0xfffff" 343 getnomatch="from $SRC_IP6 iif $DEV flowlabel 0xf" 344 fib_rule6_test_match_n_redirect "$match" "$getmatch" \ 345 "$getnomatch" "iif flowlabel redirect to table" \ 346 "iif flowlabel no redirect to table" 347 348 match="flowlabel 0x08000/0x08000" 349 getmatch="flowlabel 0xfffff" 350 getnomatch="flowlabel 0xf7fff" 351 fib_rule6_test_match_n_redirect "$match" "$getmatch" \ 352 "$getnomatch" "flowlabel masked redirect to table" \ 353 "flowlabel masked no redirect to table" 354 355 match="flowlabel 0x08000/0x08000" 356 getmatch="from $SRC_IP6 iif $DEV flowlabel 0xfffff" 357 getnomatch="from $SRC_IP6 iif $DEV flowlabel 0xf7fff" 358 fib_rule6_test_match_n_redirect "$match" "$getmatch" \ 359 "$getnomatch" "iif flowlabel masked redirect to table" \ 360 "iif flowlabel masked no redirect to table" 361 fi 362} 363 364fib_rule6_vrf_test() 365{ 366 setup_vrf 367 fib_rule6_test "- with VRF" 368 cleanup_vrf 369} 370 371# Verify that the IPV6_TCLASS option of UDPv6 and TCPv6 sockets is properly 372# taken into account when connecting the socket and when sending packets. 373fib_rule6_connect_test() 374{ 375 local dsfield 376 377 echo 378 echo "IPv6 FIB rule connect tests" 379 380 setup_peer 381 $IP -6 rule add dsfield 0x04 table $RTABLE_PEER 382 383 # Combine the base DS Field value (0x04) with all possible ECN values 384 # (Not-ECT: 0, ECT(1): 1, ECT(0): 2, CE: 3). 385 # The ECN bits shouldn't influence the result of the test. 386 for dsfield in 0x04 0x05 0x06 0x07; do 387 nettest -q -6 -B -t 5 -N $testns -O $peerns -U -D \ 388 -Q "${dsfield}" -l 2001:db8::1:11 -r 2001:db8::1:11 389 log_test $? 0 "rule6 dsfield udp connect (dsfield ${dsfield})" 390 391 nettest -q -6 -B -t 5 -N $testns -O $peerns -Q "${dsfield}" \ 392 -l 2001:db8::1:11 -r 2001:db8::1:11 393 log_test $? 0 "rule6 dsfield tcp connect (dsfield ${dsfield})" 394 done 395 396 # Check that UDP and TCP connections fail when using a DS Field that 397 # does not match the previously configured FIB rule. 398 nettest -q -6 -B -t 5 -N $testns -O $peerns -U -D \ 399 -Q 0x20 -l 2001:db8::1:11 -r 2001:db8::1:11 400 log_test $? 1 "rule6 dsfield udp no connect (dsfield 0x20)" 401 402 nettest -q -6 -B -t 5 -N $testns -O $peerns -Q 0x20 \ 403 -l 2001:db8::1:11 -r 2001:db8::1:11 404 log_test $? 1 "rule6 dsfield tcp no connect (dsfield 0x20)" 405 406 $IP -6 rule del dsfield 0x04 table $RTABLE_PEER 407 408 ip rule help 2>&1 | grep -q dscp 409 if [ $? -ne 0 ]; then 410 echo "SKIP: iproute2 iprule too old, missing dscp match" 411 cleanup_peer 412 return 413 fi 414 415 $IP -6 rule add dscp 0x3f table $RTABLE_PEER 416 417 nettest -q -6 -B -t 5 -N $testns -O $peerns -U -D -Q 0xfc \ 418 -l 2001:db8::1:11 -r 2001:db8::1:11 419 log_test $? 0 "rule6 dscp udp connect" 420 421 nettest -q -6 -B -t 5 -N $testns -O $peerns -Q 0xfc \ 422 -l 2001:db8::1:11 -r 2001:db8::1:11 423 log_test $? 0 "rule6 dscp tcp connect" 424 425 nettest -q -6 -B -t 5 -N $testns -O $peerns -U -D -Q 0xf4 \ 426 -l 2001:db8::1:11 -r 2001:db8::1:11 427 log_test $? 1 "rule6 dscp udp no connect" 428 429 nettest -q -6 -B -t 5 -N $testns -O $peerns -Q 0xf4 \ 430 -l 2001:db8::1:11 -r 2001:db8::1:11 431 log_test $? 1 "rule6 dscp tcp no connect" 432 433 $IP -6 rule del dscp 0x3f table $RTABLE_PEER 434 435 cleanup_peer 436} 437 438fib_rule4_del() 439{ 440 $IP rule del $1 441 log_test $? 0 "del $1" 442} 443 444fib_rule4_del_by_pref() 445{ 446 pref=$($IP rule show $1 table $RTABLE | cut -d ":" -f 1) 447 $IP rule del pref $pref 448} 449 450fib_rule4_test_match_n_redirect() 451{ 452 local match="$1" 453 local getmatch="$2" 454 local getnomatch="$3" 455 local description="$4" 456 local nomatch_description="$5" 457 458 $IP rule add $match table $RTABLE 459 $IP route get $GW_IP4 $getmatch | grep -q "table $RTABLE" 460 log_test $? 0 "rule4 check: $description" 461 462 $IP route get $GW_IP4 $getnomatch 2>&1 | grep -q "table $RTABLE" 463 log_test $? 1 "rule4 check: $nomatch_description" 464 465 fib_rule4_del_by_pref "$match" 466 log_test $? 0 "rule4 del by pref: $description" 467} 468 469fib_rule4_test_reject() 470{ 471 local match="$1" 472 local rc 473 474 $IP rule add $match table $RTABLE 2>/dev/null 475 rc=$? 476 log_test $rc 2 "rule4 check: $match" 477 478 if [ $rc -eq 0 ]; then 479 $IP rule del $match table $RTABLE 480 fi 481} 482 483fib_rule4_test() 484{ 485 local ext_name=$1; shift 486 local getnomatch 487 local getmatch 488 local match 489 local cnt 490 491 echo 492 echo "IPv4 FIB rule tests $ext_name" 493 494 # setup the fib rule redirect route 495 $IP route add table $RTABLE default via $GW_IP4 dev $DEV onlink 496 497 match="oif $DEV" 498 getnomatch="oif lo" 499 fib_rule4_test_match_n_redirect "$match" "$match" "$getnomatch" \ 500 "oif redirect to table" "oif no redirect to table" 501 502 # Enable forwarding and disable rp_filter as all the addresses are in 503 # the same subnet and egress device == ingress device. 504 ip netns exec $testns sysctl -qw net.ipv4.ip_forward=1 505 ip netns exec $testns sysctl -qw net.ipv4.conf.$DEV.rp_filter=0 506 match="from $SRC_IP iif $DEV" 507 getnomatch="from $SRC_IP iif lo" 508 fib_rule4_test_match_n_redirect "$match" "$match" "$getnomatch" \ 509 "iif redirect to table" "iif no redirect to table" 510 511 # Reject dsfield (tos) options which have ECN bits set 512 for cnt in $(seq 1 3); do 513 match="dsfield $cnt" 514 fib_rule4_test_reject "$match" 515 done 516 517 # Don't take ECN bits into account when matching on dsfield 518 match="tos 0x10" 519 for cnt in "0x10" "0x11" "0x12" "0x13"; do 520 # Using option 'tos' instead of 'dsfield' as old iproute2 521 # versions don't support 'dsfield' in ip rule show. 522 getmatch="tos $cnt" 523 getnomatch="tos 0x20" 524 fib_rule4_test_match_n_redirect "$match" "$getmatch" \ 525 "$getnomatch" "$getmatch redirect to table" \ 526 "$getnomatch no redirect to table" 527 done 528 529 # Re-test TOS matching, but with input routes since they are handled 530 # differently from output routes. 531 match="tos 0x10" 532 for cnt in "0x10" "0x11" "0x12" "0x13"; do 533 getmatch="tos $cnt" 534 getnomatch="tos 0x20" 535 fib_rule4_test_match_n_redirect "$match" \ 536 "from $SRC_IP iif $DEV $getmatch" \ 537 "from $SRC_IP iif $DEV $getnomatch" \ 538 "iif $getmatch redirect to table" \ 539 "iif $getnomatch no redirect to table" 540 done 541 542 match="fwmark 0x64" 543 getmatch="mark 0x64" 544 getnomatch="mark 0x63" 545 fib_rule4_test_match_n_redirect "$match" "$getmatch" "$getnomatch" \ 546 "fwmark redirect to table" "fwmark no redirect to table" 547 548 fib_check_iproute_support "uidrange" "uid" 549 if [ $? -eq 0 ]; then 550 match="uidrange 100-100" 551 getmatch="uid 100" 552 getnomatch="uid 101" 553 fib_rule4_test_match_n_redirect "$match" "$getmatch" \ 554 "$getnomatch" "uid redirect to table" \ 555 "uid no redirect to table" 556 fi 557 558 fib_check_iproute_support "sport" "sport" 559 if [ $? -eq 0 ]; then 560 match="sport 666 dport 777" 561 getnomatch="sport 667 dport 778" 562 fib_rule4_test_match_n_redirect "$match" "$match" \ 563 "$getnomatch" "sport and dport redirect to table" \ 564 "sport and dport no redirect to table" 565 566 match="sport 100-200 dport 300-400" 567 getmatch="sport 100 dport 400" 568 getnomatch="sport 100 dport 401" 569 fib_rule4_test_match_n_redirect "$match" "$getmatch" \ 570 "$getnomatch" \ 571 "sport and dport range redirect to table" \ 572 "sport and dport range no redirect to table" 573 fi 574 575 ip rule help 2>&1 | grep sport | grep -q MASK 576 if [ $? -eq 0 ]; then 577 match="sport 0x0f00/0xff00 dport 0x000f/0x00ff" 578 getmatch="sport 0x0f11 dport 0x220f" 579 getnomatch="sport 0x1f11 dport 0x221f" 580 fib_rule4_test_match_n_redirect "$match" "$getmatch" \ 581 "$getnomatch" "sport and dport masked redirect to table" \ 582 "sport and dport masked no redirect to table" 583 fi 584 585 fib_check_iproute_support "ipproto" "ipproto" 586 if [ $? -eq 0 ]; then 587 match="ipproto tcp" 588 getnomatch="ipproto udp" 589 fib_rule4_test_match_n_redirect "$match" "$match" \ 590 "$getnomatch" "ipproto tcp match" \ 591 "ipproto udp no match" 592 fi 593 594 fib_check_iproute_support "ipproto" "ipproto" 595 if [ $? -eq 0 ]; then 596 match="ipproto icmp" 597 getnomatch="ipproto tcp" 598 fib_rule4_test_match_n_redirect "$match" "$match" \ 599 "$getnomatch" "ipproto icmp match" \ 600 "ipproto tcp no match" 601 fi 602 603 fib_check_iproute_support "dscp" "tos" 604 if [ $? -eq 0 ]; then 605 match="dscp 0x3f" 606 getmatch="tos 0xfc" 607 getnomatch="tos 0xf4" 608 fib_rule4_test_match_n_redirect "$match" "$getmatch" \ 609 "$getnomatch" "dscp redirect to table" \ 610 "dscp no redirect to table" 611 612 match="dscp 0x3f" 613 getmatch="from $SRC_IP iif $DEV tos 0xfc" 614 getnomatch="from $SRC_IP iif $DEV tos 0xf4" 615 fib_rule4_test_match_n_redirect "$match" "$getmatch" \ 616 "$getnomatch" "iif dscp redirect to table" \ 617 "iif dscp no redirect to table" 618 fi 619 620 ip rule help 2>&1 | grep -q "DSCP\[/MASK\]" 621 if [ $? -eq 0 ]; then 622 match="dscp 0x0f/0x0f" 623 tosmatch=$(printf 0x"%x" $((0x1f << 2))) 624 tosnomatch=$(printf 0x"%x" $((0x1e << 2))) 625 getmatch="tos $tosmatch" 626 getnomatch="tos $tosnomatch" 627 fib_rule4_test_match_n_redirect "$match" "$getmatch" \ 628 "$getnomatch" "dscp masked redirect to table" \ 629 "dscp masked no redirect to table" 630 631 match="dscp 0x0f/0x0f" 632 getmatch="from $SRC_IP iif $DEV tos $tosmatch" 633 getnomatch="from $SRC_IP iif $DEV tos $tosnomatch" 634 fib_rule4_test_match_n_redirect "$match" "$getmatch" \ 635 "$getnomatch" "iif dscp masked redirect to table" \ 636 "iif dscp masked no redirect to table" 637 fi 638} 639 640fib_rule4_vrf_test() 641{ 642 setup_vrf 643 fib_rule4_test "- with VRF" 644 cleanup_vrf 645} 646 647# Verify that the IP_TOS option of UDPv4 and TCPv4 sockets is properly taken 648# into account when connecting the socket and when sending packets. 649fib_rule4_connect_test() 650{ 651 local dsfield 652 653 echo 654 echo "IPv4 FIB rule connect tests" 655 656 setup_peer 657 $IP -4 rule add dsfield 0x04 table $RTABLE_PEER 658 659 # Combine the base DS Field value (0x04) with all possible ECN values 660 # (Not-ECT: 0, ECT(1): 1, ECT(0): 2, CE: 3). 661 # The ECN bits shouldn't influence the result of the test. 662 for dsfield in 0x04 0x05 0x06 0x07; do 663 nettest -q -B -t 5 -N $testns -O $peerns -D -U -Q "${dsfield}" \ 664 -l 198.51.100.11 -r 198.51.100.11 665 log_test $? 0 "rule4 dsfield udp connect (dsfield ${dsfield})" 666 667 nettest -q -B -t 5 -N $testns -O $peerns -Q "${dsfield}" \ 668 -l 198.51.100.11 -r 198.51.100.11 669 log_test $? 0 "rule4 dsfield tcp connect (dsfield ${dsfield})" 670 done 671 672 # Check that UDP and TCP connections fail when using a DS Field that 673 # does not match the previously configured FIB rule. 674 nettest -q -B -t 5 -N $testns -O $peerns -D -U -Q 0x20 \ 675 -l 198.51.100.11 -r 198.51.100.11 676 log_test $? 1 "rule4 dsfield udp no connect (dsfield 0x20)" 677 678 nettest -q -B -t 5 -N $testns -O $peerns -Q 0x20 \ 679 -l 198.51.100.11 -r 198.51.100.11 680 log_test $? 1 "rule4 dsfield tcp no connect (dsfield 0x20)" 681 682 $IP -4 rule del dsfield 0x04 table $RTABLE_PEER 683 684 ip rule help 2>&1 | grep -q dscp 685 if [ $? -ne 0 ]; then 686 echo "SKIP: iproute2 iprule too old, missing dscp match" 687 cleanup_peer 688 return 689 fi 690 691 $IP -4 rule add dscp 0x3f table $RTABLE_PEER 692 693 nettest -q -B -t 5 -N $testns -O $peerns -D -U -Q 0xfc \ 694 -l 198.51.100.11 -r 198.51.100.11 695 log_test $? 0 "rule4 dscp udp connect" 696 697 nettest -q -B -t 5 -N $testns -O $peerns -Q 0xfc \ 698 -l 198.51.100.11 -r 198.51.100.11 699 log_test $? 0 "rule4 dscp tcp connect" 700 701 nettest -q -B -t 5 -N $testns -O $peerns -D -U -Q 0xf4 \ 702 -l 198.51.100.11 -r 198.51.100.11 703 log_test $? 1 "rule4 dscp udp no connect" 704 705 nettest -q -B -t 5 -N $testns -O $peerns -Q 0xf4 \ 706 -l 198.51.100.11 -r 198.51.100.11 707 log_test $? 1 "rule4 dscp tcp no connect" 708 709 $IP -4 rule del dscp 0x3f table $RTABLE_PEER 710 711 cleanup_peer 712} 713################################################################################ 714# usage 715 716usage() 717{ 718 cat <<EOF 719usage: ${0##*/} OPTS 720 721 -t <test> Test(s) to run (default: all) 722 (options: $TESTS) 723EOF 724} 725 726################################################################################ 727# main 728 729while getopts ":t:h" opt; do 730 case $opt in 731 t) TESTS=$OPTARG;; 732 h) usage; exit 0;; 733 *) usage; exit 1;; 734 esac 735done 736 737if [ "$(id -u)" -ne 0 ];then 738 echo "SKIP: Need root privileges" 739 exit $ksft_skip 740fi 741 742if [ ! -x "$(command -v ip)" ]; then 743 echo "SKIP: Could not run test without ip tool" 744 exit $ksft_skip 745fi 746 747check_gen_prog "nettest" 748 749# start clean 750cleanup &> /dev/null 751setup 752for t in $TESTS 753do 754 case $t in 755 fib_rule6_test|fib_rule6) fib_rule6_test;; 756 fib_rule4_test|fib_rule4) fib_rule4_test;; 757 fib_rule6_connect_test|fib_rule6_connect) fib_rule6_connect_test;; 758 fib_rule4_connect_test|fib_rule4_connect) fib_rule4_connect_test;; 759 fib_rule6_vrf_test|fib_rule6_vrf) fib_rule6_vrf_test;; 760 fib_rule4_vrf_test|fib_rule4_vrf) fib_rule4_vrf_test;; 761 762 help) echo "Test names: $TESTS"; exit 0;; 763 764 esac 765done 766cleanup 767 768if [ "$TESTS" != "none" ]; then 769 printf "\nTests passed: %3d\n" ${nsuccess} 770 printf "Tests failed: %3d\n" ${nfail} 771fi 772 773exit $ret 774