1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(c) 2010-2014 Intel Corporation
3 */
4
5 #include <stdio.h>
6
7 #include "test.h"
8
9 #include <stdint.h>
10 #include <stdlib.h>
11 #include <stdarg.h>
12 #include <inttypes.h>
13 #include <sys/queue.h>
14 #include <errno.h>
15 #include <string.h>
16 #include <unistd.h>
17
18 #ifdef RTE_EXEC_ENV_WINDOWS
19 int
test_mp_secondary(void)20 test_mp_secondary(void)
21 {
22 printf("mp_secondary not supported on Windows, skipping test\n");
23 return TEST_SKIPPED;
24 }
25 #else
26
27 #include <sys/wait.h>
28 #include <libgen.h>
29 #include <dirent.h>
30 #include <limits.h>
31
32 #include <rte_common.h>
33 #include <rte_memory.h>
34 #include <rte_memzone.h>
35 #include <rte_eal.h>
36 #include <rte_launch.h>
37 #include <rte_per_lcore.h>
38 #include <rte_lcore.h>
39 #include <rte_errno.h>
40 #include <rte_branch_prediction.h>
41 #include <rte_ring.h>
42 #include <rte_debug.h>
43 #include <rte_log.h>
44 #include <rte_mempool.h>
45
46 #ifdef RTE_LIB_HASH
47 #include <rte_hash.h>
48 #include <rte_fbk_hash.h>
49 #endif /* RTE_LIB_HASH */
50
51 #ifdef RTE_LIB_LPM
52 #include <rte_lpm.h>
53 #endif /* RTE_LIB_LPM */
54
55 #include <rte_string_fns.h>
56
57 #include "process.h"
58
59 #define launch_proc(ARGV) process_dup(ARGV, RTE_DIM(ARGV), __func__)
60
61 /*
62 * This function is called in the primary i.e. main test, to spawn off secondary
63 * processes to run actual mp tests. Uses fork() and exec pair
64 */
65 static int
run_secondary_instances(void)66 run_secondary_instances(void)
67 {
68 int ret = 0;
69 char coremask[10];
70
71 #ifdef RTE_EXEC_ENV_LINUX
72 char tmp[PATH_MAX] = {0};
73 char prefix[PATH_MAX] = {0};
74
75 get_current_prefix(tmp, sizeof(tmp));
76
77 snprintf(prefix, sizeof(prefix), "--file-prefix=%s", tmp);
78 #else
79 const char *prefix = "";
80 #endif
81
82 /* good case, using secondary */
83 const char *argv1[] = {
84 prgname, "-c", coremask, "--proc-type=secondary",
85 prefix
86 };
87 /* good case, using auto */
88 const char *argv2[] = {
89 prgname, "-c", coremask, "--proc-type=auto",
90 prefix
91 };
92 /* bad case, using invalid type */
93 const char *argv3[] = {
94 prgname, "-c", coremask, "--proc-type=ERROR",
95 prefix
96 };
97 #ifdef RTE_EXEC_ENV_LINUX
98 /* bad case, using invalid file prefix */
99 const char *argv4[] = {
100 prgname, "-c", coremask, "--proc-type=secondary",
101 "--file-prefix=ERROR"
102 };
103 #endif
104
105 snprintf(coremask, sizeof(coremask), "%x", \
106 (1 << rte_get_main_lcore()));
107
108 ret |= launch_proc(argv1);
109 printf("### Testing rte_mp_disable() reject:\n");
110 if (rte_mp_disable()) {
111 printf("Error: rte_mp_disable() has been accepted\n");
112 ret |= -1;
113 } else {
114 printf("# Checked rte_mp_disable() is refused\n");
115 }
116 ret |= launch_proc(argv2);
117
118 ret |= !(launch_proc(argv3));
119 #ifdef RTE_EXEC_ENV_LINUX
120 ret |= !(launch_proc(argv4));
121 #endif
122
123 return ret;
124 }
125
126 /*
127 * This function is run in the secondary instance to test that creation of
128 * objects fails in a secondary
129 */
130 static int
run_object_creation_tests(void)131 run_object_creation_tests(void)
132 {
133 const unsigned flags = 0;
134 const unsigned size = 1024;
135 const unsigned elt_size = 64;
136 const unsigned cache_size = 64;
137 const unsigned priv_data_size = 32;
138
139 printf("### Testing object creation - expect lots of mz reserve errors!\n");
140
141 rte_errno = 0;
142 if ((rte_memzone_reserve("test_mz", size, rte_socket_id(),
143 flags) == NULL) &&
144 (rte_memzone_lookup("test_mz") == NULL)) {
145 printf("Error: unexpected return value from rte_memzone_reserve\n");
146 return -1;
147 }
148 printf("# Checked rte_memzone_reserve() OK\n");
149
150 rte_errno = 0;
151 if ((rte_ring_create(
152 "test_ring", size, rte_socket_id(), flags) == NULL) &&
153 (rte_ring_lookup("test_ring") == NULL)){
154 printf("Error: unexpected return value from rte_ring_create()\n");
155 return -1;
156 }
157 printf("# Checked rte_ring_create() OK\n");
158
159 rte_errno = 0;
160 if ((rte_mempool_create("test_mp", size, elt_size, cache_size,
161 priv_data_size, NULL, NULL, NULL, NULL,
162 rte_socket_id(), flags) == NULL) &&
163 (rte_mempool_lookup("test_mp") == NULL)){
164 printf("Error: unexpected return value from rte_mempool_create()\n");
165 return -1;
166 }
167 printf("# Checked rte_mempool_create() OK\n");
168
169 #ifdef RTE_LIB_HASH
170 const struct rte_hash_parameters hash_params = { .name = "test_mp_hash" };
171 rte_errno=0;
172 if ((rte_hash_create(&hash_params) != NULL) &&
173 (rte_hash_find_existing(hash_params.name) == NULL)){
174 printf("Error: unexpected return value from rte_hash_create()\n");
175 return -1;
176 }
177 printf("# Checked rte_hash_create() OK\n");
178
179 const struct rte_fbk_hash_params fbk_params = { .name = "test_fbk_mp_hash" };
180 rte_errno=0;
181 if ((rte_fbk_hash_create(&fbk_params) != NULL) &&
182 (rte_fbk_hash_find_existing(fbk_params.name) == NULL)){
183 printf("Error: unexpected return value from rte_fbk_hash_create()\n");
184 return -1;
185 }
186 printf("# Checked rte_fbk_hash_create() OK\n");
187 #endif
188
189 #ifdef RTE_LIB_LPM
190 rte_errno=0;
191 struct rte_lpm_config config;
192
193 config.max_rules = rte_socket_id();
194 config.number_tbl8s = 256;
195 config.flags = 0;
196 if ((rte_lpm_create("test_lpm", size, &config) != NULL) &&
197 (rte_lpm_find_existing("test_lpm") == NULL)){
198 printf("Error: unexpected return value from rte_lpm_create()\n");
199 return -1;
200 }
201 printf("# Checked rte_lpm_create() OK\n");
202 #endif
203
204 return 0;
205 }
206
207 /* if called in a primary process, just spawns off a secondary process to
208 * run validation tests - which brings us right back here again...
209 * if called in a secondary process, this runs a series of API tests to check
210 * how things run in a secondary instance.
211 */
212 int
test_mp_secondary(void)213 test_mp_secondary(void)
214 {
215 if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
216 return run_secondary_instances();
217 }
218
219 printf("IN SECONDARY PROCESS\n");
220
221 return run_object_creation_tests();
222 }
223
224 #endif /* !RTE_EXEC_ENV_WINDOWS */
225
226 REGISTER_FAST_TEST(multiprocess_autotest, false, false, test_mp_secondary);
227