fib.sh (6671B)
1#!/bin/bash 2# SPDX-License-Identifier: GPL-2.0 3# 4# This test is for checking the FIB offload API. It makes use of netdevsim 5# which registers a listener to the FIB notification chain. 6 7lib_dir=$(dirname $0)/../../../net/forwarding 8 9ALL_TESTS=" 10 ipv4_identical_routes 11 ipv4_tos 12 ipv4_metric 13 ipv4_replace 14 ipv4_delete 15 ipv4_plen 16 ipv4_replay 17 ipv4_flush 18 ipv4_error_path 19 ipv6_add 20 ipv6_metric 21 ipv6_append_single 22 ipv6_replace_single 23 ipv6_metric_multipath 24 ipv6_append_multipath 25 ipv6_replace_multipath 26 ipv6_append_multipath_to_single 27 ipv6_delete_single 28 ipv6_delete_multipath 29 ipv6_replay_single 30 ipv6_replay_multipath 31 ipv6_error_path 32" 33NETDEVSIM_PATH=/sys/bus/netdevsim/ 34DEV_ADDR=1337 35DEV=netdevsim${DEV_ADDR} 36SYSFS_NET_DIR=/sys/bus/netdevsim/devices/$DEV/net/ 37NUM_NETIFS=0 38source $lib_dir/lib.sh 39source $lib_dir/fib_offload_lib.sh 40 41DEVLINK_DEV= 42source $lib_dir/devlink_lib.sh 43DEVLINK_DEV=netdevsim/${DEV} 44 45ipv4_identical_routes() 46{ 47 fib_ipv4_identical_routes_test "testns1" 48} 49 50ipv4_tos() 51{ 52 fib_ipv4_tos_test "testns1" 53} 54 55ipv4_metric() 56{ 57 fib_ipv4_metric_test "testns1" 58} 59 60ipv4_replace() 61{ 62 fib_ipv4_replace_test "testns1" 63} 64 65ipv4_delete() 66{ 67 fib_ipv4_delete_test "testns1" 68} 69 70ipv4_plen() 71{ 72 fib_ipv4_plen_test "testns1" 73} 74 75ipv4_replay_metric() 76{ 77 fib_ipv4_replay_metric_test "testns1" "$DEVLINK_DEV" 78} 79 80ipv4_replay_tos() 81{ 82 fib_ipv4_replay_tos_test "testns1" "$DEVLINK_DEV" 83} 84 85ipv4_replay_plen() 86{ 87 fib_ipv4_replay_plen_test "testns1" "$DEVLINK_DEV" 88} 89 90ipv4_replay() 91{ 92 ipv4_replay_metric 93 ipv4_replay_tos 94 ipv4_replay_plen 95} 96 97ipv4_flush() 98{ 99 fib_ipv4_flush_test "testns1" 100} 101 102ipv4_error_path_add() 103{ 104 local lsb 105 106 RET=0 107 108 ip -n testns1 link add name dummy1 type dummy 109 ip -n testns1 link set dev dummy1 up 110 111 devlink -N testns1 resource set $DEVLINK_DEV path IPv4/fib size 10 112 devlink -N testns1 dev reload $DEVLINK_DEV 113 114 for lsb in $(seq 1 20); do 115 ip -n testns1 route add 192.0.2.${lsb}/32 dev dummy1 \ 116 &> /dev/null 117 done 118 119 log_test "IPv4 error path - add" 120 121 ip -n testns1 link del dev dummy1 122} 123 124ipv4_error_path_replay() 125{ 126 local lsb 127 128 RET=0 129 130 ip -n testns1 link add name dummy1 type dummy 131 ip -n testns1 link set dev dummy1 up 132 133 devlink -N testns1 resource set $DEVLINK_DEV path IPv4/fib size 100 134 devlink -N testns1 dev reload $DEVLINK_DEV 135 136 for lsb in $(seq 1 20); do 137 ip -n testns1 route add 192.0.2.${lsb}/32 dev dummy1 138 done 139 140 devlink -N testns1 resource set $DEVLINK_DEV path IPv4/fib size 10 141 devlink -N testns1 dev reload $DEVLINK_DEV &> /dev/null 142 143 log_test "IPv4 error path - replay" 144 145 ip -n testns1 link del dev dummy1 146 147 # Successfully reload after deleting all the routes. 148 devlink -N testns1 resource set $DEVLINK_DEV path IPv4/fib size 100 149 devlink -N testns1 dev reload $DEVLINK_DEV 150} 151 152ipv4_error_path() 153{ 154 # Test the different error paths of the notifiers by limiting the size 155 # of the "IPv4/fib" resource. 156 ipv4_error_path_add 157 ipv4_error_path_replay 158} 159 160ipv6_add() 161{ 162 fib_ipv6_add_test "testns1" 163} 164 165ipv6_metric() 166{ 167 fib_ipv6_metric_test "testns1" 168} 169 170ipv6_append_single() 171{ 172 fib_ipv6_append_single_test "testns1" 173} 174 175ipv6_replace_single() 176{ 177 fib_ipv6_replace_single_test "testns1" 178} 179 180ipv6_metric_multipath() 181{ 182 fib_ipv6_metric_multipath_test "testns1" 183} 184 185ipv6_append_multipath() 186{ 187 fib_ipv6_append_multipath_test "testns1" 188} 189 190ipv6_replace_multipath() 191{ 192 fib_ipv6_replace_multipath_test "testns1" 193} 194 195ipv6_append_multipath_to_single() 196{ 197 fib_ipv6_append_multipath_to_single_test "testns1" 198} 199 200ipv6_delete_single() 201{ 202 fib_ipv6_delete_single_test "testns1" 203} 204 205ipv6_delete_multipath() 206{ 207 fib_ipv6_delete_multipath_test "testns1" 208} 209 210ipv6_replay_single() 211{ 212 fib_ipv6_replay_single_test "testns1" "$DEVLINK_DEV" 213} 214 215ipv6_replay_multipath() 216{ 217 fib_ipv6_replay_multipath_test "testns1" "$DEVLINK_DEV" 218} 219 220ipv6_error_path_add_single() 221{ 222 local lsb 223 224 RET=0 225 226 ip -n testns1 link add name dummy1 type dummy 227 ip -n testns1 link set dev dummy1 up 228 229 devlink -N testns1 resource set $DEVLINK_DEV path IPv6/fib size 10 230 devlink -N testns1 dev reload $DEVLINK_DEV 231 232 for lsb in $(seq 1 20); do 233 ip -n testns1 route add 2001:db8:1::${lsb}/128 dev dummy1 \ 234 &> /dev/null 235 done 236 237 log_test "IPv6 error path - add single" 238 239 ip -n testns1 link del dev dummy1 240} 241 242ipv6_error_path_add_multipath() 243{ 244 local lsb 245 246 RET=0 247 248 for i in $(seq 1 2); do 249 ip -n testns1 link add name dummy$i type dummy 250 ip -n testns1 link set dev dummy$i up 251 ip -n testns1 address add 2001:db8:$i::1/64 dev dummy$i 252 done 253 254 devlink -N testns1 resource set $DEVLINK_DEV path IPv6/fib size 10 255 devlink -N testns1 dev reload $DEVLINK_DEV 256 257 for lsb in $(seq 1 20); do 258 ip -n testns1 route add 2001:db8:10::${lsb}/128 \ 259 nexthop via 2001:db8:1::2 dev dummy1 \ 260 nexthop via 2001:db8:2::2 dev dummy2 &> /dev/null 261 done 262 263 log_test "IPv6 error path - add multipath" 264 265 for i in $(seq 1 2); do 266 ip -n testns1 link del dev dummy$i 267 done 268} 269 270ipv6_error_path_replay() 271{ 272 local lsb 273 274 RET=0 275 276 ip -n testns1 link add name dummy1 type dummy 277 ip -n testns1 link set dev dummy1 up 278 279 devlink -N testns1 resource set $DEVLINK_DEV path IPv6/fib size 100 280 devlink -N testns1 dev reload $DEVLINK_DEV 281 282 for lsb in $(seq 1 20); do 283 ip -n testns1 route add 2001:db8:1::${lsb}/128 dev dummy1 284 done 285 286 devlink -N testns1 resource set $DEVLINK_DEV path IPv6/fib size 10 287 devlink -N testns1 dev reload $DEVLINK_DEV &> /dev/null 288 289 log_test "IPv6 error path - replay" 290 291 ip -n testns1 link del dev dummy1 292 293 # Successfully reload after deleting all the routes. 294 devlink -N testns1 resource set $DEVLINK_DEV path IPv6/fib size 100 295 devlink -N testns1 dev reload $DEVLINK_DEV 296} 297 298ipv6_error_path() 299{ 300 # Test the different error paths of the notifiers by limiting the size 301 # of the "IPv6/fib" resource. 302 ipv6_error_path_add_single 303 ipv6_error_path_add_multipath 304 ipv6_error_path_replay 305} 306 307fib_notify_on_flag_change_set() 308{ 309 local notify=$1; shift 310 311 ip netns exec testns1 sysctl -qw net.ipv4.fib_notify_on_flag_change=$notify 312 ip netns exec testns1 sysctl -qw net.ipv6.fib_notify_on_flag_change=$notify 313 314 log_info "Set fib_notify_on_flag_change to $notify" 315} 316 317setup_prepare() 318{ 319 local netdev 320 321 modprobe netdevsim &> /dev/null 322 323 echo "$DEV_ADDR 1" > ${NETDEVSIM_PATH}/new_device 324 while [ ! -d $SYSFS_NET_DIR ] ; do :; done 325 326 ip netns add testns1 327 if [ $? -ne 0 ]; then 328 echo "Failed to add netns \"testns1\"" 329 exit 1 330 fi 331 332 devlink dev reload $DEVLINK_DEV netns testns1 333 if [ $? -ne 0 ]; then 334 echo "Failed to reload into netns \"testns1\"" 335 exit 1 336 fi 337} 338 339cleanup() 340{ 341 pre_cleanup 342 ip netns del testns1 343 echo "$DEV_ADDR" > ${NETDEVSIM_PATH}/del_device 344 modprobe -r netdevsim &> /dev/null 345} 346 347trap cleanup EXIT 348 349setup_prepare 350 351fib_notify_on_flag_change_set 1 352tests_run 353 354fib_notify_on_flag_change_set 0 355tests_run 356 357exit $EXIT_STATUS