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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 | #!/bin/bash # SPDX-License-Identifier: GPL-2.0 lib_dir=$(dirname $0)/../../../net/forwarding ALL_TESTS=" ipv4_route_addition_test ipv4_route_deletion_test ipv4_route_replacement_test ipv4_route_offload_failed_test ipv6_route_addition_test ipv6_route_deletion_test ipv6_route_replacement_test ipv6_route_offload_failed_test " NETDEVSIM_PATH=/sys/bus/netdevsim/ DEV_ADDR=1337 DEV=netdevsim${DEV_ADDR} DEVLINK_DEV=netdevsim/${DEV} SYSFS_NET_DIR=/sys/bus/netdevsim/devices/$DEV/net/ DEBUGFS_DIR=/sys/kernel/debug/netdevsim/$DEV/ NUM_NETIFS=0 source $lib_dir/lib.sh check_rt_offload_failed() { local outfile=$1; shift local line # Make sure that the first notification was emitted without # RTM_F_OFFLOAD_FAILED flag and the second with RTM_F_OFFLOAD_FAILED # flag head -n 1 $outfile | grep -q "rt_offload_failed" if [[ $? -eq 0 ]]; then return 1 fi head -n 2 $outfile | tail -n 1 | grep -q "rt_offload_failed" } check_rt_trap() { local outfile=$1; shift local line # Make sure that the first notification was emitted without RTM_F_TRAP # flag and the second with RTM_F_TRAP flag head -n 1 $outfile | grep -q "rt_trap" if [[ $? -eq 0 ]]; then return 1 fi head -n 2 $outfile | tail -n 1 | grep -q "rt_trap" } route_notify_check() { local outfile=$1; shift local expected_num_lines=$1; shift local offload_failed=${1:-0}; shift # check the monitor results lines=`wc -l $outfile | cut "-d " -f1` test $lines -eq $expected_num_lines check_err $? "$expected_num_lines notifications were expected but $lines were received" if [[ $expected_num_lines -eq 1 ]]; then return fi if [[ $offload_failed -eq 0 ]]; then check_rt_trap $outfile check_err $? "Wrong RTM_F_TRAP flags in notifications" else check_rt_offload_failed $outfile check_err $? "Wrong RTM_F_OFFLOAD_FAILED flags in notifications" fi } route_addition_check() { local ip=$1; shift local notify=$1; shift local route=$1; shift local expected_num_notifications=$1; shift local offload_failed=${1:-0}; shift ip netns exec testns1 sysctl -qw net.$ip.fib_notify_on_flag_change=$notify local outfile=$(mktemp) $IP monitor route &> $outfile & sleep 1 $IP route add $route dev dummy1 sleep 1 kill %% && wait %% &> /dev/null route_notify_check $outfile $expected_num_notifications $offload_failed rm -f $outfile $IP route del $route dev dummy1 } ipv4_route_addition_test() { RET=0 local ip="ipv4" local route=192.0.2.0/24 # Make sure a single notification will be emitted for the programmed # route. local notify=0 local expected_num_notifications=1 # route_addition_check will assign value to RET. route_addition_check $ip $notify $route $expected_num_notifications # Make sure two notifications will be emitted for the programmed route. notify=1 expected_num_notifications=2 route_addition_check $ip $notify $route $expected_num_notifications # notify=2 means emit notifications only for failed route installation, # make sure a single notification will be emitted for the programmed # route. notify=2 expected_num_notifications=1 route_addition_check $ip $notify $route $expected_num_notifications log_test "IPv4 route addition" } route_deletion_check() { local ip=$1; shift local notify=$1; shift local route=$1; shift local expected_num_notifications=$1; shift ip netns exec testns1 sysctl -qw net.$ip.fib_notify_on_flag_change=$notify $IP route add $route dev dummy1 sleep 1 local outfile=$(mktemp) $IP monitor route &> $outfile & sleep 1 $IP route del $route dev dummy1 sleep 1 kill %% && wait %% &> /dev/null route_notify_check $outfile $expected_num_notifications rm -f $outfile } ipv4_route_deletion_test() { RET=0 local ip="ipv4" local route=192.0.2.0/24 local expected_num_notifications=1 # Make sure a single notification will be emitted for the deleted route, # regardless of fib_notify_on_flag_change value. local notify=0 # route_deletion_check will assign value to RET. route_deletion_check $ip $notify $route $expected_num_notifications notify=1 route_deletion_check $ip $notify $route $expected_num_notifications log_test "IPv4 route deletion" } route_replacement_check() { local ip=$1; shift local notify=$1; shift local route=$1; shift local expected_num_notifications=$1; shift ip netns exec testns1 sysctl -qw net.$ip.fib_notify_on_flag_change=$notify $IP route add $route dev dummy1 sleep 1 local outfile=$(mktemp) $IP monitor route &> $outfile & sleep 1 $IP route replace $route dev dummy2 sleep 1 kill %% && wait %% &> /dev/null route_notify_check $outfile $expected_num_notifications rm -f $outfile $IP route del $route dev dummy2 } ipv4_route_replacement_test() { RET=0 local ip="ipv4" local route=192.0.2.0/24 $IP link add name dummy2 type dummy $IP link set dev dummy2 up # Make sure a single notification will be emitted for the new route. local notify=0 local expected_num_notifications=1 # route_replacement_check will assign value to RET. route_replacement_check $ip $notify $route $expected_num_notifications # Make sure two notifications will be emitted for the new route. notify=1 expected_num_notifications=2 route_replacement_check $ip $notify $route $expected_num_notifications # notify=2 means emit notifications only for failed route installation, # make sure a single notification will be emitted for the new route. notify=2 expected_num_notifications=1 route_replacement_check $ip $notify $route $expected_num_notifications $IP link del name dummy2 log_test "IPv4 route replacement" } ipv4_route_offload_failed_test() { RET=0 local ip="ipv4" local route=192.0.2.0/24 local offload_failed=1 echo "y"> $DEBUGFS_DIR/fib/fail_route_offload check_err $? "Failed to setup route offload to fail" # Make sure a single notification will be emitted for the programmed # route. local notify=0 local expected_num_notifications=1 route_addition_check $ip $notify $route $expected_num_notifications \ $offload_failed # Make sure two notifications will be emitted for the new route. notify=1 expected_num_notifications=2 route_addition_check $ip $notify $route $expected_num_notifications \ $offload_failed # notify=2 means emit notifications only for failed route installation, # make sure two notifications will be emitted for the new route. notify=2 expected_num_notifications=2 route_addition_check $ip $notify $route $expected_num_notifications \ $offload_failed echo "n"> $DEBUGFS_DIR/fib/fail_route_offload check_err $? "Failed to setup route offload not to fail" log_test "IPv4 route offload failed" } ipv6_route_addition_test() { RET=0 local ip="ipv6" local route=2001:db8:1::/64 # Make sure a single notification will be emitted for the programmed # route. local notify=0 local expected_num_notifications=1 route_addition_check $ip $notify $route $expected_num_notifications # Make sure two notifications will be emitted for the programmed route. notify=1 expected_num_notifications=2 route_addition_check $ip $notify $route $expected_num_notifications # notify=2 means emit notifications only for failed route installation, # make sure a single notification will be emitted for the programmed # route. notify=2 expected_num_notifications=1 route_addition_check $ip $notify $route $expected_num_notifications log_test "IPv6 route addition" } ipv6_route_deletion_test() { RET=0 local ip="ipv6" local route=2001:db8:1::/64 local expected_num_notifications=1 # Make sure a single notification will be emitted for the deleted route, # regardless of fib_notify_on_flag_change value. local notify=0 route_deletion_check $ip $notify $route $expected_num_notifications notify=1 route_deletion_check $ip $notify $route $expected_num_notifications log_test "IPv6 route deletion" } ipv6_route_replacement_test() { RET=0 local ip="ipv6" local route=2001:db8:1::/64 $IP link add name dummy2 type dummy $IP link set dev dummy2 up # Make sure a single notification will be emitted for the new route. local notify=0 local expected_num_notifications=1 route_replacement_check $ip $notify $route $expected_num_notifications # Make sure two notifications will be emitted for the new route. notify=1 expected_num_notifications=2 route_replacement_check $ip $notify $route $expected_num_notifications # notify=2 means emit notifications only for failed route installation, # make sure a single notification will be emitted for the new route. notify=2 expected_num_notifications=1 route_replacement_check $ip $notify $route $expected_num_notifications $IP link del name dummy2 log_test "IPv6 route replacement" } ipv6_route_offload_failed_test() { RET=0 local ip="ipv6" local route=2001:db8:1::/64 local offload_failed=1 echo "y"> $DEBUGFS_DIR/fib/fail_route_offload check_err $? "Failed to setup route offload to fail" # Make sure a single notification will be emitted for the programmed # route. local notify=0 local expected_num_notifications=1 route_addition_check $ip $notify $route $expected_num_notifications \ $offload_failed # Make sure two notifications will be emitted for the new route. notify=1 expected_num_notifications=2 route_addition_check $ip $notify $route $expected_num_notifications \ $offload_failed # notify=2 means emit notifications only for failed route installation, # make sure two notifications will be emitted for the new route. notify=2 expected_num_notifications=2 route_addition_check $ip $notify $route $expected_num_notifications \ $offload_failed echo "n"> $DEBUGFS_DIR/fib/fail_route_offload check_err $? "Failed to setup route offload not to fail" log_test "IPv6 route offload failed" } setup_prepare() { modprobe netdevsim &> /dev/null echo "$DEV_ADDR 1" > ${NETDEVSIM_PATH}/new_device while [ ! -d $SYSFS_NET_DIR ] ; do :; done ip netns add testns1 if [ $? -ne 0 ]; then echo "Failed to add netns \"testns1\"" exit 1 fi devlink dev reload $DEVLINK_DEV netns testns1 if [ $? -ne 0 ]; then echo "Failed to reload into netns \"testns1\"" exit 1 fi IP="ip -n testns1" $IP link add name dummy1 type dummy $IP link set dev dummy1 up } cleanup() { pre_cleanup $IP link del name dummy1 ip netns del testns1 echo "$DEV_ADDR" > ${NETDEVSIM_PATH}/del_device modprobe -r netdevsim &> /dev/null } trap cleanup EXIT setup_prepare tests_run exit $EXIT_STATUS |