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1 | /*- |
2 | * BSD LICENSE | |
3 | * | |
4 | * Copyright(c) 2010-2014 Intel Corporation. All rights reserved. | |
5 | * All rights reserved. | |
6 | * | |
7 | * Redistribution and use in source and binary forms, with or without | |
8 | * modification, are permitted provided that the following conditions | |
9 | * are met: | |
10 | * | |
11 | * * Redistributions of source code must retain the above copyright | |
12 | * notice, this list of conditions and the following disclaimer. | |
13 | * * Redistributions in binary form must reproduce the above copyright | |
14 | * notice, this list of conditions and the following disclaimer in | |
15 | * the documentation and/or other materials provided with the | |
16 | * distribution. | |
17 | * * Neither the name of Intel Corporation nor the names of its | |
18 | * contributors may be used to endorse or promote products derived | |
19 | * from this software without specific prior written permission. | |
20 | * | |
21 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
22 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
23 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
24 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
25 | * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
26 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
27 | * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
28 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
29 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
30 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
31 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
32 | */ | |
33 | ||
34 | #include <stdio.h> | |
35 | ||
36 | #include "test.h" | |
37 | ||
38 | #include <stdint.h> | |
39 | #include <stdlib.h> | |
40 | #include <stdarg.h> | |
41 | #include <inttypes.h> | |
42 | #include <sys/queue.h> | |
43 | #include <errno.h> | |
44 | #include <stdarg.h> | |
45 | #include <inttypes.h> | |
46 | #include <string.h> | |
47 | #include <stdlib.h> | |
48 | #include <stdarg.h> | |
49 | #include <unistd.h> | |
50 | #include <sys/wait.h> | |
51 | #include <libgen.h> | |
52 | #include <dirent.h> | |
53 | #include <limits.h> | |
54 | ||
55 | #include <rte_common.h> | |
56 | #include <rte_memory.h> | |
57 | #include <rte_memzone.h> | |
58 | #include <rte_eal.h> | |
59 | #include <rte_launch.h> | |
60 | #include <rte_per_lcore.h> | |
61 | #include <rte_lcore.h> | |
62 | #include <rte_errno.h> | |
63 | #include <rte_branch_prediction.h> | |
64 | #include <rte_atomic.h> | |
65 | #include <rte_ring.h> | |
66 | #include <rte_debug.h> | |
67 | #include <rte_log.h> | |
68 | #include <rte_mempool.h> | |
69 | ||
70 | #ifdef RTE_LIBRTE_HASH | |
71 | #include <rte_hash.h> | |
72 | #include <rte_fbk_hash.h> | |
73 | #endif /* RTE_LIBRTE_HASH */ | |
74 | ||
75 | #ifdef RTE_LIBRTE_LPM | |
76 | #include <rte_lpm.h> | |
77 | #endif /* RTE_LIBRTE_LPM */ | |
78 | ||
79 | #include <rte_string_fns.h> | |
80 | ||
81 | #include "process.h" | |
82 | ||
83 | #define launch_proc(ARGV) process_dup(ARGV, \ | |
84 | sizeof(ARGV)/(sizeof(ARGV[0])), __func__) | |
85 | ||
86 | #ifdef RTE_EXEC_ENV_LINUXAPP | |
87 | static char* | |
88 | get_current_prefix(char * prefix, int size) | |
89 | { | |
90 | char path[PATH_MAX] = {0}; | |
91 | char buf[PATH_MAX] = {0}; | |
92 | ||
93 | /* get file for config (fd is always 3) */ | |
94 | snprintf(path, sizeof(path), "/proc/self/fd/%d", 3); | |
95 | ||
96 | /* return NULL on error */ | |
97 | if (readlink(path, buf, sizeof(buf)) == -1) | |
98 | return NULL; | |
99 | ||
100 | /* get the basename */ | |
101 | snprintf(buf, sizeof(buf), "%s", basename(buf)); | |
102 | ||
103 | /* copy string all the way from second char up to start of _config */ | |
104 | snprintf(prefix, size, "%.*s", | |
105 | (int)(strnlen(buf, sizeof(buf)) - sizeof("_config")), | |
106 | &buf[1]); | |
107 | ||
108 | return prefix; | |
109 | } | |
110 | #endif | |
111 | ||
112 | /* | |
113 | * This function is called in the primary i.e. main test, to spawn off secondary | |
114 | * processes to run actual mp tests. Uses fork() and exec pair | |
115 | */ | |
116 | static int | |
117 | run_secondary_instances(void) | |
118 | { | |
119 | int ret = 0; | |
120 | char coremask[10]; | |
121 | ||
122 | #ifdef RTE_EXEC_ENV_LINUXAPP | |
123 | char tmp[PATH_MAX] = {0}; | |
124 | char prefix[PATH_MAX] = {0}; | |
125 | ||
126 | get_current_prefix(tmp, sizeof(tmp)); | |
127 | ||
128 | snprintf(prefix, sizeof(prefix), "--file-prefix=%s", tmp); | |
129 | #else | |
130 | const char *prefix = ""; | |
131 | #endif | |
132 | ||
133 | /* good case, using secondary */ | |
134 | const char *argv1[] = { | |
135 | prgname, "-c", coremask, "--proc-type=secondary", | |
136 | prefix | |
137 | }; | |
138 | /* good case, using auto */ | |
139 | const char *argv2[] = { | |
140 | prgname, "-c", coremask, "--proc-type=auto", | |
141 | prefix | |
142 | }; | |
143 | /* bad case, using invalid type */ | |
144 | const char *argv3[] = { | |
145 | prgname, "-c", coremask, "--proc-type=ERROR", | |
146 | prefix | |
147 | }; | |
148 | #ifdef RTE_EXEC_ENV_LINUXAPP | |
149 | /* bad case, using invalid file prefix */ | |
150 | const char *argv4[] = { | |
151 | prgname, "-c", coremask, "--proc-type=secondary", | |
152 | "--file-prefix=ERROR" | |
153 | }; | |
154 | #endif | |
155 | ||
156 | snprintf(coremask, sizeof(coremask), "%x", \ | |
157 | (1 << rte_get_master_lcore())); | |
158 | ||
159 | ret |= launch_proc(argv1); | |
160 | ret |= launch_proc(argv2); | |
161 | ||
162 | ret |= !(launch_proc(argv3)); | |
163 | #ifdef RTE_EXEC_ENV_LINUXAPP | |
164 | ret |= !(launch_proc(argv4)); | |
165 | #endif | |
166 | ||
167 | return ret; | |
168 | } | |
169 | ||
170 | /* | |
171 | * This function is run in the secondary instance to test that creation of | |
172 | * objects fails in a secondary | |
173 | */ | |
174 | static int | |
175 | run_object_creation_tests(void) | |
176 | { | |
177 | const unsigned flags = 0; | |
178 | const unsigned size = 1024; | |
179 | const unsigned elt_size = 64; | |
180 | const unsigned cache_size = 64; | |
181 | const unsigned priv_data_size = 32; | |
182 | ||
183 | printf("### Testing object creation - expect lots of mz reserve errors!\n"); | |
184 | ||
185 | rte_errno = 0; | |
186 | if ((rte_memzone_reserve("test_mz", size, rte_socket_id(), | |
187 | flags) == NULL) && | |
188 | (rte_memzone_lookup("test_mz") == NULL)) { | |
189 | printf("Error: unexpected return value from rte_memzone_reserve\n"); | |
190 | return -1; | |
191 | } | |
192 | printf("# Checked rte_memzone_reserve() OK\n"); | |
193 | ||
194 | rte_errno = 0; | |
195 | if ((rte_ring_create( | |
196 | "test_ring", size, rte_socket_id(), flags) == NULL) && | |
197 | (rte_ring_lookup("test_ring") == NULL)){ | |
198 | printf("Error: unexpected return value from rte_ring_create()\n"); | |
199 | return -1; | |
200 | } | |
201 | printf("# Checked rte_ring_create() OK\n"); | |
202 | ||
203 | rte_errno = 0; | |
204 | if ((rte_mempool_create("test_mp", size, elt_size, cache_size, | |
205 | priv_data_size, NULL, NULL, NULL, NULL, | |
206 | rte_socket_id(), flags) == NULL) && | |
207 | (rte_mempool_lookup("test_mp") == NULL)){ | |
208 | printf("Error: unexpected return value from rte_mempool_create()\n"); | |
209 | return -1; | |
210 | } | |
211 | printf("# Checked rte_mempool_create() OK\n"); | |
212 | ||
213 | #ifdef RTE_LIBRTE_HASH | |
214 | const struct rte_hash_parameters hash_params = { .name = "test_mp_hash" }; | |
215 | rte_errno=0; | |
216 | if ((rte_hash_create(&hash_params) != NULL) && | |
217 | (rte_hash_find_existing(hash_params.name) == NULL)){ | |
218 | printf("Error: unexpected return value from rte_hash_create()\n"); | |
219 | return -1; | |
220 | } | |
221 | printf("# Checked rte_hash_create() OK\n"); | |
222 | ||
223 | const struct rte_fbk_hash_params fbk_params = { .name = "test_fbk_mp_hash" }; | |
224 | rte_errno=0; | |
225 | if ((rte_fbk_hash_create(&fbk_params) != NULL) && | |
226 | (rte_fbk_hash_find_existing(fbk_params.name) == NULL)){ | |
227 | printf("Error: unexpected return value from rte_fbk_hash_create()\n"); | |
228 | return -1; | |
229 | } | |
230 | printf("# Checked rte_fbk_hash_create() OK\n"); | |
231 | #endif | |
232 | ||
233 | #ifdef RTE_LIBRTE_LPM | |
234 | rte_errno=0; | |
235 | struct rte_lpm_config config; | |
236 | ||
237 | config.max_rules = rte_socket_id(); | |
238 | config.number_tbl8s = 256; | |
239 | config.flags = 0; | |
240 | if ((rte_lpm_create("test_lpm", size, &config) != NULL) && | |
241 | (rte_lpm_find_existing("test_lpm") == NULL)){ | |
242 | printf("Error: unexpected return value from rte_lpm_create()\n"); | |
243 | return -1; | |
244 | } | |
245 | printf("# Checked rte_lpm_create() OK\n"); | |
246 | #endif | |
247 | ||
248 | #ifdef RTE_APP_TEST_RESOURCE_TAR | |
249 | /* Run a test_pci call */ | |
250 | if (test_pci() != 0) { | |
251 | printf("PCI scan failed in secondary\n"); | |
252 | if (getuid() == 0) /* pci scans can fail as non-root */ | |
253 | return -1; | |
254 | } else | |
255 | printf("PCI scan succeeded in secondary\n"); | |
256 | #endif | |
257 | ||
258 | return 0; | |
259 | } | |
260 | ||
261 | /* if called in a primary process, just spawns off a secondary process to | |
262 | * run validation tests - which brings us right back here again... | |
263 | * if called in a secondary process, this runs a series of API tests to check | |
264 | * how things run in a secondary instance. | |
265 | */ | |
266 | int | |
267 | test_mp_secondary(void) | |
268 | { | |
269 | if (rte_eal_process_type() == RTE_PROC_PRIMARY) { | |
270 | if (!test_pci_run) { | |
271 | #ifdef RTE_APP_TEST_RESOURCE_TAR | |
272 | printf("=== Running pre-requisite test of test_pci\n"); | |
273 | test_pci(); | |
274 | printf("=== Requisite test done\n"); | |
275 | #endif | |
276 | } | |
277 | return run_secondary_instances(); | |
278 | } | |
279 | ||
280 | printf("IN SECONDARY PROCESS\n"); | |
281 | ||
282 | return run_object_creation_tests(); | |
283 | } | |
284 | ||
285 | REGISTER_TEST_COMMAND(multiprocess_autotest, test_mp_secondary); |