xref: /dpdk/app/test/test_mp_secondary.c (revision ae2f2fee)
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 #include <sys/wait.h>
18 #include <libgen.h>
19 #include <dirent.h>
20 #include <limits.h>
21 
22 #include <rte_common.h>
23 #include <rte_memory.h>
24 #include <rte_memzone.h>
25 #include <rte_eal.h>
26 #include <rte_launch.h>
27 #include <rte_per_lcore.h>
28 #include <rte_lcore.h>
29 #include <rte_errno.h>
30 #include <rte_branch_prediction.h>
31 #include <rte_atomic.h>
32 #include <rte_ring.h>
33 #include <rte_debug.h>
34 #include <rte_log.h>
35 #include <rte_mempool.h>
36 
37 #ifdef RTE_LIBRTE_HASH
38 #include <rte_hash.h>
39 #include <rte_fbk_hash.h>
40 #endif /* RTE_LIBRTE_HASH */
41 
42 #ifdef RTE_LIBRTE_LPM
43 #include <rte_lpm.h>
44 #endif /* RTE_LIBRTE_LPM */
45 
46 #include <rte_string_fns.h>
47 
48 #include "process.h"
49 
50 #define launch_proc(ARGV) process_dup(ARGV, \
51 		sizeof(ARGV)/(sizeof(ARGV[0])), __func__)
52 
53 /*
54  * This function is called in the primary i.e. main test, to spawn off secondary
55  * processes to run actual mp tests. Uses fork() and exec pair
56  */
57 static int
58 run_secondary_instances(void)
59 {
60 	int ret = 0;
61 	char coremask[10];
62 
63 #ifdef RTE_EXEC_ENV_LINUX
64 	char tmp[PATH_MAX] = {0};
65 	char prefix[PATH_MAX] = {0};
66 
67 	get_current_prefix(tmp, sizeof(tmp));
68 
69 	snprintf(prefix, sizeof(prefix), "--file-prefix=%s", tmp);
70 #else
71 	const char *prefix = "";
72 #endif
73 
74 	/* good case, using secondary */
75 	const char *argv1[] = {
76 			prgname, "-c", coremask, "--proc-type=secondary",
77 			prefix
78 	};
79 	/* good case, using auto */
80 	const char *argv2[] = {
81 			prgname, "-c", coremask, "--proc-type=auto",
82 			prefix
83 	};
84 	/* bad case, using invalid type */
85 	const char *argv3[] = {
86 			prgname, "-c", coremask, "--proc-type=ERROR",
87 			prefix
88 	};
89 #ifdef RTE_EXEC_ENV_LINUX
90 	/* bad case, using invalid file prefix */
91 	const char *argv4[]  = {
92 			prgname, "-c", coremask, "--proc-type=secondary",
93 					"--file-prefix=ERROR"
94 	};
95 #endif
96 
97 	snprintf(coremask, sizeof(coremask), "%x", \
98 			(1 << rte_get_master_lcore()));
99 
100 	ret |= launch_proc(argv1);
101 	ret |= launch_proc(argv2);
102 
103 	ret |= !(launch_proc(argv3));
104 #ifdef RTE_EXEC_ENV_LINUX
105 	ret |= !(launch_proc(argv4));
106 #endif
107 
108 	return ret;
109 }
110 
111 /*
112  * This function is run in the secondary instance to test that creation of
113  * objects fails in a secondary
114  */
115 static int
116 run_object_creation_tests(void)
117 {
118 	const unsigned flags = 0;
119 	const unsigned size = 1024;
120 	const unsigned elt_size = 64;
121 	const unsigned cache_size = 64;
122 	const unsigned priv_data_size = 32;
123 
124 	printf("### Testing object creation - expect lots of mz reserve errors!\n");
125 
126 	rte_errno = 0;
127 	if ((rte_memzone_reserve("test_mz", size, rte_socket_id(),
128 				 flags) == NULL) &&
129 	    (rte_memzone_lookup("test_mz") == NULL)) {
130 		printf("Error: unexpected return value from rte_memzone_reserve\n");
131 		return -1;
132 	}
133 	printf("# Checked rte_memzone_reserve() OK\n");
134 
135 	rte_errno = 0;
136 	if ((rte_ring_create(
137 		     "test_ring", size, rte_socket_id(), flags) == NULL) &&
138 		    (rte_ring_lookup("test_ring") == NULL)){
139 		printf("Error: unexpected return value from rte_ring_create()\n");
140 		return -1;
141 	}
142 	printf("# Checked rte_ring_create() OK\n");
143 
144 	rte_errno = 0;
145 	if ((rte_mempool_create("test_mp", size, elt_size, cache_size,
146 				priv_data_size, NULL, NULL, NULL, NULL,
147 				rte_socket_id(), flags) == NULL) &&
148 	     (rte_mempool_lookup("test_mp") == NULL)){
149 		printf("Error: unexpected return value from rte_mempool_create()\n");
150 		return -1;
151 	}
152 	printf("# Checked rte_mempool_create() OK\n");
153 
154 #ifdef RTE_LIBRTE_HASH
155 	const struct rte_hash_parameters hash_params = { .name = "test_mp_hash" };
156 	rte_errno=0;
157 	if ((rte_hash_create(&hash_params) != NULL) &&
158 	    (rte_hash_find_existing(hash_params.name) == NULL)){
159 		printf("Error: unexpected return value from rte_hash_create()\n");
160 		return -1;
161 	}
162 	printf("# Checked rte_hash_create() OK\n");
163 
164 	const struct rte_fbk_hash_params fbk_params = { .name = "test_fbk_mp_hash" };
165 	rte_errno=0;
166 	if ((rte_fbk_hash_create(&fbk_params) != NULL) &&
167 	    (rte_fbk_hash_find_existing(fbk_params.name) == NULL)){
168 		printf("Error: unexpected return value from rte_fbk_hash_create()\n");
169 		return -1;
170 	}
171 	printf("# Checked rte_fbk_hash_create() OK\n");
172 #endif
173 
174 #ifdef RTE_LIBRTE_LPM
175 	rte_errno=0;
176 	struct rte_lpm_config config;
177 
178 	config.max_rules = rte_socket_id();
179 	config.number_tbl8s = 256;
180 	config.flags = 0;
181 	if ((rte_lpm_create("test_lpm", size, &config) != NULL) &&
182 	    (rte_lpm_find_existing("test_lpm") == NULL)){
183 		printf("Error: unexpected return value from rte_lpm_create()\n");
184 		return -1;
185 	}
186 	printf("# Checked rte_lpm_create() OK\n");
187 #endif
188 
189 	return 0;
190 }
191 
192 /* if called in a primary process, just spawns off a secondary process to
193  * run validation tests - which brings us right back here again...
194  * if called in a secondary process, this runs a series of API tests to check
195  * how things run in a secondary instance.
196  */
197 int
198 test_mp_secondary(void)
199 {
200 	if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
201 		return run_secondary_instances();
202 	}
203 
204 	printf("IN SECONDARY PROCESS\n");
205 
206 	return run_object_creation_tests();
207 }
208 
209 REGISTER_TEST_COMMAND(multiprocess_autotest, test_mp_secondary);
210