1 #!/bin/bash 1 #!/bin/bash
2 # SPDX-License-Identifier: GPL-2.0 2 # SPDX-License-Identifier: GPL-2.0
3 # 3 #
4 # This test is for checking the FIB offload AP 4 # This test is for checking the FIB offload API. It makes use of netdevsim
5 # which registers a listener to the FIB notifi 5 # which registers a listener to the FIB notification chain.
6 6
7 lib_dir=$(dirname $0)/../../../net/forwarding 7 lib_dir=$(dirname $0)/../../../net/forwarding
8 8
9 ALL_TESTS=" 9 ALL_TESTS="
10 ipv4_identical_routes 10 ipv4_identical_routes
11 ipv4_tos 11 ipv4_tos
12 ipv4_metric 12 ipv4_metric
13 ipv4_replace 13 ipv4_replace
14 ipv4_delete 14 ipv4_delete
15 ipv4_plen 15 ipv4_plen
16 ipv4_replay 16 ipv4_replay
17 ipv4_flush 17 ipv4_flush
18 ipv4_error_path 18 ipv4_error_path
19 ipv4_delete_fail 19 ipv4_delete_fail
20 ipv6_add 20 ipv6_add
21 ipv6_metric 21 ipv6_metric
22 ipv6_append_single 22 ipv6_append_single
23 ipv6_replace_single 23 ipv6_replace_single
24 ipv6_metric_multipath 24 ipv6_metric_multipath
25 ipv6_append_multipath 25 ipv6_append_multipath
26 ipv6_replace_multipath 26 ipv6_replace_multipath
27 ipv6_append_multipath_to_single 27 ipv6_append_multipath_to_single
28 ipv6_delete_single 28 ipv6_delete_single
29 ipv6_delete_multipath 29 ipv6_delete_multipath
30 ipv6_replay_single 30 ipv6_replay_single
31 ipv6_replay_multipath 31 ipv6_replay_multipath
32 ipv6_error_path 32 ipv6_error_path
33 ipv6_delete_fail 33 ipv6_delete_fail
34 " 34 "
35 NETDEVSIM_PATH=/sys/bus/netdevsim/ 35 NETDEVSIM_PATH=/sys/bus/netdevsim/
36 DEV_ADDR=1337 36 DEV_ADDR=1337
37 DEV=netdevsim${DEV_ADDR} 37 DEV=netdevsim${DEV_ADDR}
38 SYSFS_NET_DIR=/sys/bus/netdevsim/devices/$DEV/ 38 SYSFS_NET_DIR=/sys/bus/netdevsim/devices/$DEV/net/
39 DEBUGFS_DIR=/sys/kernel/debug/netdevsim/$DEV/ 39 DEBUGFS_DIR=/sys/kernel/debug/netdevsim/$DEV/
40 NUM_NETIFS=0 40 NUM_NETIFS=0
41 source $lib_dir/lib.sh 41 source $lib_dir/lib.sh
42 source $lib_dir/fib_offload_lib.sh 42 source $lib_dir/fib_offload_lib.sh
43 43
44 DEVLINK_DEV= 44 DEVLINK_DEV=
45 source $lib_dir/devlink_lib.sh 45 source $lib_dir/devlink_lib.sh
46 DEVLINK_DEV=netdevsim/${DEV} 46 DEVLINK_DEV=netdevsim/${DEV}
47 47
48 ipv4_identical_routes() 48 ipv4_identical_routes()
49 { 49 {
50 fib_ipv4_identical_routes_test "testns 50 fib_ipv4_identical_routes_test "testns1"
51 } 51 }
52 52
53 ipv4_tos() 53 ipv4_tos()
54 { 54 {
55 fib_ipv4_tos_test "testns1" 55 fib_ipv4_tos_test "testns1"
56 } 56 }
57 57
58 ipv4_metric() 58 ipv4_metric()
59 { 59 {
60 fib_ipv4_metric_test "testns1" 60 fib_ipv4_metric_test "testns1"
61 } 61 }
62 62
63 ipv4_replace() 63 ipv4_replace()
64 { 64 {
65 fib_ipv4_replace_test "testns1" 65 fib_ipv4_replace_test "testns1"
66 } 66 }
67 67
68 ipv4_delete() 68 ipv4_delete()
69 { 69 {
70 fib_ipv4_delete_test "testns1" 70 fib_ipv4_delete_test "testns1"
71 } 71 }
72 72
73 ipv4_plen() 73 ipv4_plen()
74 { 74 {
75 fib_ipv4_plen_test "testns1" 75 fib_ipv4_plen_test "testns1"
76 } 76 }
77 77
78 ipv4_replay_metric() 78 ipv4_replay_metric()
79 { 79 {
80 fib_ipv4_replay_metric_test "testns1" 80 fib_ipv4_replay_metric_test "testns1" "$DEVLINK_DEV"
81 } 81 }
82 82
83 ipv4_replay_tos() 83 ipv4_replay_tos()
84 { 84 {
85 fib_ipv4_replay_tos_test "testns1" "$D 85 fib_ipv4_replay_tos_test "testns1" "$DEVLINK_DEV"
86 } 86 }
87 87
88 ipv4_replay_plen() 88 ipv4_replay_plen()
89 { 89 {
90 fib_ipv4_replay_plen_test "testns1" "$ 90 fib_ipv4_replay_plen_test "testns1" "$DEVLINK_DEV"
91 } 91 }
92 92
93 ipv4_replay() 93 ipv4_replay()
94 { 94 {
95 ipv4_replay_metric 95 ipv4_replay_metric
96 ipv4_replay_tos 96 ipv4_replay_tos
97 ipv4_replay_plen 97 ipv4_replay_plen
98 } 98 }
99 99
100 ipv4_flush() 100 ipv4_flush()
101 { 101 {
102 fib_ipv4_flush_test "testns1" 102 fib_ipv4_flush_test "testns1"
103 } 103 }
104 104
105 ipv4_error_path_add() 105 ipv4_error_path_add()
106 { 106 {
107 local lsb 107 local lsb
108 108
109 RET=0 109 RET=0
110 110
111 ip -n testns1 link add name dummy1 typ 111 ip -n testns1 link add name dummy1 type dummy
112 ip -n testns1 link set dev dummy1 up 112 ip -n testns1 link set dev dummy1 up
113 113
114 devlink -N testns1 resource set $DEVLI 114 devlink -N testns1 resource set $DEVLINK_DEV path IPv4/fib size 10
115 devlink -N testns1 dev reload $DEVLINK 115 devlink -N testns1 dev reload $DEVLINK_DEV
116 116
117 for lsb in $(seq 1 20); do 117 for lsb in $(seq 1 20); do
118 ip -n testns1 route add 192.0. 118 ip -n testns1 route add 192.0.2.${lsb}/32 dev dummy1 \
119 &> /dev/null 119 &> /dev/null
120 done 120 done
121 121
122 log_test "IPv4 error path - add" 122 log_test "IPv4 error path - add"
123 123
124 ip -n testns1 link del dev dummy1 124 ip -n testns1 link del dev dummy1
125 } 125 }
126 126
127 ipv4_error_path_replay() 127 ipv4_error_path_replay()
128 { 128 {
129 local lsb 129 local lsb
130 130
131 RET=0 131 RET=0
132 132
133 ip -n testns1 link add name dummy1 typ 133 ip -n testns1 link add name dummy1 type dummy
134 ip -n testns1 link set dev dummy1 up 134 ip -n testns1 link set dev dummy1 up
135 135
136 devlink -N testns1 resource set $DEVLI 136 devlink -N testns1 resource set $DEVLINK_DEV path IPv4/fib size 100
137 devlink -N testns1 dev reload $DEVLINK 137 devlink -N testns1 dev reload $DEVLINK_DEV
138 138
139 for lsb in $(seq 1 20); do 139 for lsb in $(seq 1 20); do
140 ip -n testns1 route add 192.0. 140 ip -n testns1 route add 192.0.2.${lsb}/32 dev dummy1
141 done 141 done
142 142
143 devlink -N testns1 resource set $DEVLI 143 devlink -N testns1 resource set $DEVLINK_DEV path IPv4/fib size 10
144 devlink -N testns1 dev reload $DEVLINK 144 devlink -N testns1 dev reload $DEVLINK_DEV &> /dev/null
145 145
146 log_test "IPv4 error path - replay" 146 log_test "IPv4 error path - replay"
147 147
148 ip -n testns1 link del dev dummy1 148 ip -n testns1 link del dev dummy1
149 149
150 # Successfully reload after deleting a 150 # Successfully reload after deleting all the routes.
151 devlink -N testns1 resource set $DEVLI 151 devlink -N testns1 resource set $DEVLINK_DEV path IPv4/fib size 100
152 devlink -N testns1 dev reload $DEVLINK 152 devlink -N testns1 dev reload $DEVLINK_DEV
153 } 153 }
154 154
155 ipv4_error_path() 155 ipv4_error_path()
156 { 156 {
157 # Test the different error paths of th 157 # Test the different error paths of the notifiers by limiting the size
158 # of the "IPv4/fib" resource. 158 # of the "IPv4/fib" resource.
159 ipv4_error_path_add 159 ipv4_error_path_add
160 ipv4_error_path_replay 160 ipv4_error_path_replay
161 } 161 }
162 162
163 ipv4_delete_fail() 163 ipv4_delete_fail()
164 { 164 {
165 RET=0 165 RET=0
166 166
167 echo "y" > $DEBUGFS_DIR/fib/fail_route 167 echo "y" > $DEBUGFS_DIR/fib/fail_route_delete
168 168
169 ip -n testns1 link add name dummy1 typ 169 ip -n testns1 link add name dummy1 type dummy
170 ip -n testns1 link set dev dummy1 up 170 ip -n testns1 link set dev dummy1 up
171 171
172 ip -n testns1 route add 192.0.2.0/24 d 172 ip -n testns1 route add 192.0.2.0/24 dev dummy1
173 ip -n testns1 route del 192.0.2.0/24 d 173 ip -n testns1 route del 192.0.2.0/24 dev dummy1 &> /dev/null
174 174
175 # We should not be able to delete the 175 # We should not be able to delete the netdev if we are leaking a
176 # reference. 176 # reference.
177 ip -n testns1 link del dev dummy1 177 ip -n testns1 link del dev dummy1
178 178
179 log_test "IPv4 route delete failure" 179 log_test "IPv4 route delete failure"
180 180
181 echo "n" > $DEBUGFS_DIR/fib/fail_route 181 echo "n" > $DEBUGFS_DIR/fib/fail_route_delete
182 } 182 }
183 183
184 ipv6_add() 184 ipv6_add()
185 { 185 {
186 fib_ipv6_add_test "testns1" 186 fib_ipv6_add_test "testns1"
187 } 187 }
188 188
189 ipv6_metric() 189 ipv6_metric()
190 { 190 {
191 fib_ipv6_metric_test "testns1" 191 fib_ipv6_metric_test "testns1"
192 } 192 }
193 193
194 ipv6_append_single() 194 ipv6_append_single()
195 { 195 {
196 fib_ipv6_append_single_test "testns1" 196 fib_ipv6_append_single_test "testns1"
197 } 197 }
198 198
199 ipv6_replace_single() 199 ipv6_replace_single()
200 { 200 {
201 fib_ipv6_replace_single_test "testns1" 201 fib_ipv6_replace_single_test "testns1"
202 } 202 }
203 203
204 ipv6_metric_multipath() 204 ipv6_metric_multipath()
205 { 205 {
206 fib_ipv6_metric_multipath_test "testns 206 fib_ipv6_metric_multipath_test "testns1"
207 } 207 }
208 208
209 ipv6_append_multipath() 209 ipv6_append_multipath()
210 { 210 {
211 fib_ipv6_append_multipath_test "testns 211 fib_ipv6_append_multipath_test "testns1"
212 } 212 }
213 213
214 ipv6_replace_multipath() 214 ipv6_replace_multipath()
215 { 215 {
216 fib_ipv6_replace_multipath_test "testn 216 fib_ipv6_replace_multipath_test "testns1"
217 } 217 }
218 218
219 ipv6_append_multipath_to_single() 219 ipv6_append_multipath_to_single()
220 { 220 {
221 fib_ipv6_append_multipath_to_single_te 221 fib_ipv6_append_multipath_to_single_test "testns1"
222 } 222 }
223 223
224 ipv6_delete_single() 224 ipv6_delete_single()
225 { 225 {
226 fib_ipv6_delete_single_test "testns1" 226 fib_ipv6_delete_single_test "testns1"
227 } 227 }
228 228
229 ipv6_delete_multipath() 229 ipv6_delete_multipath()
230 { 230 {
231 fib_ipv6_delete_multipath_test "testns 231 fib_ipv6_delete_multipath_test "testns1"
232 } 232 }
233 233
234 ipv6_replay_single() 234 ipv6_replay_single()
235 { 235 {
236 fib_ipv6_replay_single_test "testns1" 236 fib_ipv6_replay_single_test "testns1" "$DEVLINK_DEV"
237 } 237 }
238 238
239 ipv6_replay_multipath() 239 ipv6_replay_multipath()
240 { 240 {
241 fib_ipv6_replay_multipath_test "testns 241 fib_ipv6_replay_multipath_test "testns1" "$DEVLINK_DEV"
242 } 242 }
243 243
244 ipv6_error_path_add_single() 244 ipv6_error_path_add_single()
245 { 245 {
246 local lsb 246 local lsb
247 247
248 RET=0 248 RET=0
249 249
250 ip -n testns1 link add name dummy1 typ 250 ip -n testns1 link add name dummy1 type dummy
251 ip -n testns1 link set dev dummy1 up 251 ip -n testns1 link set dev dummy1 up
252 252
253 devlink -N testns1 resource set $DEVLI 253 devlink -N testns1 resource set $DEVLINK_DEV path IPv6/fib size 10
254 devlink -N testns1 dev reload $DEVLINK 254 devlink -N testns1 dev reload $DEVLINK_DEV
255 255
256 for lsb in $(seq 1 20); do 256 for lsb in $(seq 1 20); do
257 ip -n testns1 route add 2001:d 257 ip -n testns1 route add 2001:db8:1::${lsb}/128 dev dummy1 \
258 &> /dev/null 258 &> /dev/null
259 done 259 done
260 260
261 log_test "IPv6 error path - add single 261 log_test "IPv6 error path - add single"
262 262
263 ip -n testns1 link del dev dummy1 263 ip -n testns1 link del dev dummy1
264 } 264 }
265 265
266 ipv6_error_path_add_multipath() 266 ipv6_error_path_add_multipath()
267 { 267 {
268 local lsb 268 local lsb
269 269
270 RET=0 270 RET=0
271 271
272 for i in $(seq 1 2); do 272 for i in $(seq 1 2); do
273 ip -n testns1 link add name du 273 ip -n testns1 link add name dummy$i type dummy
274 ip -n testns1 link set dev dum 274 ip -n testns1 link set dev dummy$i up
275 ip -n testns1 address add 2001 275 ip -n testns1 address add 2001:db8:$i::1/64 dev dummy$i
276 done 276 done
277 277
278 devlink -N testns1 resource set $DEVLI 278 devlink -N testns1 resource set $DEVLINK_DEV path IPv6/fib size 10
279 devlink -N testns1 dev reload $DEVLINK 279 devlink -N testns1 dev reload $DEVLINK_DEV
280 280
281 for lsb in $(seq 1 20); do 281 for lsb in $(seq 1 20); do
282 ip -n testns1 route add 2001:d 282 ip -n testns1 route add 2001:db8:10::${lsb}/128 \
283 nexthop via 2001:db8:1 283 nexthop via 2001:db8:1::2 dev dummy1 \
284 nexthop via 2001:db8:2 284 nexthop via 2001:db8:2::2 dev dummy2 &> /dev/null
285 done 285 done
286 286
287 log_test "IPv6 error path - add multip 287 log_test "IPv6 error path - add multipath"
288 288
289 for i in $(seq 1 2); do 289 for i in $(seq 1 2); do
290 ip -n testns1 link del dev dum 290 ip -n testns1 link del dev dummy$i
291 done 291 done
292 } 292 }
293 293
294 ipv6_error_path_replay() 294 ipv6_error_path_replay()
295 { 295 {
296 local lsb 296 local lsb
297 297
298 RET=0 298 RET=0
299 299
300 ip -n testns1 link add name dummy1 typ 300 ip -n testns1 link add name dummy1 type dummy
301 ip -n testns1 link set dev dummy1 up 301 ip -n testns1 link set dev dummy1 up
302 302
303 devlink -N testns1 resource set $DEVLI 303 devlink -N testns1 resource set $DEVLINK_DEV path IPv6/fib size 100
304 devlink -N testns1 dev reload $DEVLINK 304 devlink -N testns1 dev reload $DEVLINK_DEV
305 305
306 for lsb in $(seq 1 20); do 306 for lsb in $(seq 1 20); do
307 ip -n testns1 route add 2001:d 307 ip -n testns1 route add 2001:db8:1::${lsb}/128 dev dummy1
308 done 308 done
309 309
310 devlink -N testns1 resource set $DEVLI 310 devlink -N testns1 resource set $DEVLINK_DEV path IPv6/fib size 10
311 devlink -N testns1 dev reload $DEVLINK 311 devlink -N testns1 dev reload $DEVLINK_DEV &> /dev/null
312 312
313 log_test "IPv6 error path - replay" 313 log_test "IPv6 error path - replay"
314 314
315 ip -n testns1 link del dev dummy1 315 ip -n testns1 link del dev dummy1
316 316
317 # Successfully reload after deleting a 317 # Successfully reload after deleting all the routes.
318 devlink -N testns1 resource set $DEVLI 318 devlink -N testns1 resource set $DEVLINK_DEV path IPv6/fib size 100
319 devlink -N testns1 dev reload $DEVLINK 319 devlink -N testns1 dev reload $DEVLINK_DEV
320 } 320 }
321 321
322 ipv6_error_path() 322 ipv6_error_path()
323 { 323 {
324 # Test the different error paths of th 324 # Test the different error paths of the notifiers by limiting the size
325 # of the "IPv6/fib" resource. 325 # of the "IPv6/fib" resource.
326 ipv6_error_path_add_single 326 ipv6_error_path_add_single
327 ipv6_error_path_add_multipath 327 ipv6_error_path_add_multipath
328 ipv6_error_path_replay 328 ipv6_error_path_replay
329 } 329 }
330 330
331 ipv6_delete_fail() 331 ipv6_delete_fail()
332 { 332 {
333 RET=0 333 RET=0
334 334
335 echo "y" > $DEBUGFS_DIR/fib/fail_route 335 echo "y" > $DEBUGFS_DIR/fib/fail_route_delete
336 336
337 ip -n testns1 link add name dummy1 typ 337 ip -n testns1 link add name dummy1 type dummy
338 ip -n testns1 link set dev dummy1 up 338 ip -n testns1 link set dev dummy1 up
339 339
340 ip -n testns1 route add 2001:db8:1::/6 340 ip -n testns1 route add 2001:db8:1::/64 dev dummy1
341 ip -n testns1 route del 2001:db8:1::/6 341 ip -n testns1 route del 2001:db8:1::/64 dev dummy1 &> /dev/null
342 342
343 # We should not be able to delete the 343 # We should not be able to delete the netdev if we are leaking a
344 # reference. 344 # reference.
345 ip -n testns1 link del dev dummy1 345 ip -n testns1 link del dev dummy1
346 346
347 log_test "IPv6 route delete failure" 347 log_test "IPv6 route delete failure"
348 348
349 echo "n" > $DEBUGFS_DIR/fib/fail_route 349 echo "n" > $DEBUGFS_DIR/fib/fail_route_delete
350 } 350 }
351 351
352 fib_notify_on_flag_change_set() 352 fib_notify_on_flag_change_set()
353 { 353 {
354 local notify=$1; shift 354 local notify=$1; shift
355 355
356 ip netns exec testns1 sysctl -qw net.i 356 ip netns exec testns1 sysctl -qw net.ipv4.fib_notify_on_flag_change=$notify
357 ip netns exec testns1 sysctl -qw net.i 357 ip netns exec testns1 sysctl -qw net.ipv6.fib_notify_on_flag_change=$notify
358 358
359 log_info "Set fib_notify_on_flag_chang 359 log_info "Set fib_notify_on_flag_change to $notify"
360 } 360 }
361 361
362 setup_prepare() 362 setup_prepare()
363 { 363 {
364 local netdev 364 local netdev
365 365
366 modprobe netdevsim &> /dev/null 366 modprobe netdevsim &> /dev/null
367 367
368 echo "$DEV_ADDR 1" > ${NETDEVSIM_PATH} 368 echo "$DEV_ADDR 1" > ${NETDEVSIM_PATH}/new_device
369 while [ ! -d $SYSFS_NET_DIR ] ; do :; 369 while [ ! -d $SYSFS_NET_DIR ] ; do :; done
370 370
371 ip netns add testns1 371 ip netns add testns1
372 if [ $? -ne 0 ]; then 372 if [ $? -ne 0 ]; then
373 echo "Failed to add netns \"te 373 echo "Failed to add netns \"testns1\""
374 exit 1 374 exit 1
375 fi 375 fi
376 376
377 devlink dev reload $DEVLINK_DEV netns 377 devlink dev reload $DEVLINK_DEV netns testns1
378 if [ $? -ne 0 ]; then 378 if [ $? -ne 0 ]; then
379 echo "Failed to reload into ne 379 echo "Failed to reload into netns \"testns1\""
380 exit 1 380 exit 1
381 fi 381 fi
382 } 382 }
383 383
384 cleanup() 384 cleanup()
385 { 385 {
386 pre_cleanup 386 pre_cleanup
387 ip netns del testns1 387 ip netns del testns1
388 echo "$DEV_ADDR" > ${NETDEVSIM_PATH}/d 388 echo "$DEV_ADDR" > ${NETDEVSIM_PATH}/del_device
389 modprobe -r netdevsim &> /dev/null 389 modprobe -r netdevsim &> /dev/null
390 } 390 }
391 391
392 trap cleanup EXIT 392 trap cleanup EXIT
393 393
394 setup_prepare 394 setup_prepare
395 395
396 fib_notify_on_flag_change_set 1 396 fib_notify_on_flag_change_set 1
397 tests_run 397 tests_run
398 398
399 fib_notify_on_flag_change_set 0 399 fib_notify_on_flag_change_set 0
400 tests_run 400 tests_run
401 401
402 exit $EXIT_STATUS 402 exit $EXIT_STATUS
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