2 * Copyright (c) 2015 Cisco and/or its affiliates.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at:
7 * http://www.apache.org/licenses/LICENSE-2.0
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
20 #include <vppinfra/cpu.h>
21 #include <vlib/vlib.h>
22 #include <vlib/unix/unix.h>
23 #include <vlib/threads.h>
24 #include <vnet/plugin/plugin.h>
25 #include <vnet/ethernet/ethernet.h>
26 #include <vpp/app/version.h>
27 #include <vpp/api/vpe_msg_enum.h>
31 * Load plugins from /usr/lib/vpp_plugins by default
33 char *vlib_plugin_path = NULL;
34 char *vlib_plugin_app_version = VPP_BUILD_VER;
35 char *vat_plugin_path = NULL;
38 vpp_find_plugin_path ()
40 extern char *vat_plugin_path;
41 char *p, path[PATH_MAX];
45 /* find executable path */
46 if ((rv = readlink ("/proc/self/exe", path, PATH_MAX - 1)) == -1)
49 /* readlink doesn't provide null termination */
53 if ((p = strrchr (path, '/')) == 0)
58 if ((p = strrchr (path, '/')) == 0)
62 s = format (0, "%s/lib/" CLIB_TARGET_TRIPLET "/vpp_plugins:"
63 "%s/lib/vpp_plugins", path, path);
65 vlib_plugin_path = (char *) s;
67 s = format (0, "%s/lib/" CLIB_TARGET_TRIPLET "/vpp_api_test_plugins:"
68 "%s/lib/vpp_api_test_plugins", path, path);
70 vat_plugin_path = (char *) s;
74 vpe_main_init (vlib_main_t * vm)
76 void vat_plugin_hash_create (void);
79 vlib_unix_cli_set_prompt ("DBGvpp# ");
81 vlib_unix_cli_set_prompt ("vpp# ");
83 /* Turn off network stack components which we don't want */
84 vlib_mark_init_function_complete (vm, srp_init);
87 * Create the binary api plugin hashes before loading plugins
89 vat_plugin_hash_create ();
91 if (!vlib_plugin_path)
92 vpp_find_plugin_path ();
96 * Default path for runtime data
98 char *vlib_default_runtime_dir = "vpp";
101 main (int argc, char *argv[])
104 vlib_main_t *vm = &vlib_global_main;
105 void vl_msg_api_set_first_available_msg_id (u16);
106 uword main_heap_size = (1ULL << 30);
114 CLIB_UNUSED (const char *msg)
115 = "ERROR: This binary requires CPU with %s extensions.\n";
117 if (!clib_cpu_supports_ ## a ()) \
119 fprintf(stderr, msg, b); \
144 * Load startup config from file.
145 * usage: vpp -c /etc/vpp/startup.conf
147 if ((argc == 3) && !strncmp (argv[1], "-c", 2))
156 fp = fopen (argv[2], "r");
159 fprintf (stderr, "open configuration file '%s' failed\n", argv[2]);
162 argv_ = calloc (1, sizeof (char *));
168 arg = strndup (argv[0], 1024);
179 if (fgets (inbuf, 4096, fp) == 0)
181 p = strtok (inbuf, " \t\n");
187 char **tmp = realloc (argv_, argc_ * sizeof (char *));
191 arg = strndup (p, 1024);
194 argv_[argc_ - 1] = arg;
195 p = strtok (NULL, " \t\n");
201 char **tmp = realloc (argv_, (argc_ + 1) * sizeof (char *));
212 * Look for and parse the "heapsize" config parameter.
213 * Manual since none of the clib infra has been bootstrapped yet.
215 * Format: heapsize <nn>[mM][gG]
218 for (i = 1; i < (argc - 1); i++)
220 if (!strncmp (argv[i], "plugin_path", 11))
223 vlib_plugin_path = argv[++i];
225 if (!strncmp (argv[i], "test_plugin_path", 16))
228 vat_plugin_path = argv[++i];
230 else if (!strncmp (argv[i], "heapsize", 8))
232 sizep = (u8 *) argv[i + 1];
234 while (*sizep >= '0' && *sizep <= '9')
237 size += *sizep++ - '0';
243 "warning: heapsize parse error '%s', use default %lld\n",
244 argv[i], (long long int) main_heap_size);
248 main_heap_size = size;
250 if (*sizep == 'g' || *sizep == 'G')
251 main_heap_size <<= 30;
252 else if (*sizep == 'm' || *sizep == 'M')
253 main_heap_size <<= 20;
255 else if (!strncmp (argv[i], "main-core", 9))
260 unsigned long x = strtol (argv[++i], 0, 0);
269 /* set process affinity for main thread */
271 CPU_SET (main_core, &cpuset);
272 pthread_setaffinity_np (pthread_self (), sizeof (cpu_set_t), &cpuset);
274 /* Set up the plugin message ID allocator right now... */
275 vl_msg_api_set_first_available_msg_id (VL_MSG_FIRST_AVAILABLE);
277 /* Allocate main heap */
278 if ((main_heap = clib_mem_init_thread_safe (0, main_heap_size)))
280 vlib_worker_thread_t tmp;
282 /* Figure out which numa runs the main thread */
283 vlib_get_thread_core_numa (&tmp, main_core);
284 __os_numa_index = tmp.numa_id;
286 /* and use the main heap as that numa's numa heap */
287 clib_mem_set_per_numa_heap (main_heap);
289 vm->init_functions_called = hash_create (0, /* value bytes */ 0);
291 return vlib_unix_main (argc, argv);
296 int rv __attribute__ ((unused)) =
297 write (2, "Main heap allocation failure!\r\n", 31);
303 static clib_error_t *
304 heapsize_config (vlib_main_t * vm, unformat_input_t * input)
308 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
310 if (unformat (input, "%dm", &junk)
311 || unformat (input, "%dM", &junk)
312 || unformat (input, "%dg", &junk) || unformat (input, "%dG", &junk))
315 return clib_error_return (0, "unknown input '%U'",
316 format_unformat_error, input);
321 VLIB_CONFIG_FUNCTION (heapsize_config, "heapsize");
323 static clib_error_t *
324 dummy_path_config (vlib_main_t * vm, unformat_input_t * input)
328 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
330 if (unformat (input, "%s", &junk))
336 return clib_error_return (0, "unknown input '%U'",
337 format_unformat_error, input);
342 static clib_error_t *
343 plugin_path_config (vlib_main_t * vm, unformat_input_t * input)
345 return dummy_path_config (vm, input);
348 VLIB_CONFIG_FUNCTION (plugin_path_config, "plugin_path");
350 static clib_error_t *
351 test_plugin_path_config (vlib_main_t * vm, unformat_input_t * input)
353 return dummy_path_config (vm, input);
356 VLIB_CONFIG_FUNCTION (test_plugin_path_config, "test_plugin_path");
358 void vl_msg_api_post_mortem_dump (void);
359 void elog_post_mortem_dump (void);
364 vl_msg_api_post_mortem_dump ();
365 elog_post_mortem_dump ();
369 void vhost_user_unmap_all (void) __attribute__ ((weak));
371 vhost_user_unmap_all (void)
378 static int recursion_block;
387 vl_msg_api_post_mortem_dump ();
388 elog_post_mortem_dump ();
389 vhost_user_unmap_all ();
395 #ifdef BARRIER_TRACING
397 vl_msg_api_barrier_trace_context (const char *context)
399 vlib_worker_threads[0].barrier_context = context;
404 vl_msg_api_barrier_sync (void)
406 vlib_worker_thread_barrier_sync (vlib_get_main ());
410 vl_msg_api_barrier_release (void)
412 vlib_worker_thread_barrier_release (vlib_get_main ());
415 /* This application needs 1 thread stack for the stats pthread */
417 vlib_app_num_thread_stacks_needed (void)
423 * Depending on the configuration selected above,
424 * it may be necessary to generate stub graph nodes.
425 * It is never OK to ignore "node 'x' refers to unknown node 'y'
429 #include <vppinfra/bihash_8_8.h>
434 u64 actual_virt_size;
435 u64 configured_virt_size;
439 name_sort_cmp (void *a1, void *a2)
441 name_sort_t *n1 = a1;
442 name_sort_t *n2 = a2;
444 return strcmp ((char *) n1->name, (char *) n2->name);
447 static clib_error_t *
448 show_bihash_command_fn (vlib_main_t * vm,
449 unformat_input_t * input, vlib_cli_command_t * cmd)
452 clib_bihash_8_8_t *h;
453 u64 total_actual_virt_size = 0;
454 u64 total_configured_virt_size = 0;
455 u64 actual_virt_size;
456 u64 configured_virt_size;
457 name_sort_t *names = 0;
461 if (unformat (input, "verbose"))
464 for (i = 0; i < vec_len (clib_all_bihashes); i++)
466 h = (clib_bihash_8_8_t *) clib_all_bihashes[i];
467 if (alloc_arena (h) || verbose)
469 vec_add2 (names, this, 1);
470 this->name = format (0, "%s%c", h->name, 0);
471 configured_virt_size = h->memory_size;
472 actual_virt_size = alloc_arena (h) ? h->memory_size : 0ULL;
473 this->actual_virt_size = actual_virt_size;
474 this->configured_virt_size = configured_virt_size;
475 total_actual_virt_size += actual_virt_size;
476 total_configured_virt_size += configured_virt_size;
480 vec_sort_with_function (names, name_sort_cmp);
482 vlib_cli_output (vm, "%-30s %8s %s", "Name", "Actual", "Configured");
484 for (i = 0; i < vec_len (names); i++)
486 vlib_cli_output (vm, "%-30s %8U %U", names[i].name,
488 names[i].actual_virt_size,
489 format_memory_size, names[i].configured_virt_size);
490 vec_free (names[i].name);
495 vlib_cli_output (vm, "%-30s %8U %U", "Total",
496 format_memory_size, total_actual_virt_size,
497 format_memory_size, total_configured_virt_size);
502 VLIB_CLI_COMMAND (show_bihash_command, static) =
504 .path = "show bihash",
505 .short_help = "show bihash",
506 .function = show_bihash_command_fn,
510 #ifdef CLIB_SANITIZE_ADDR
511 /* default options for Address Sanitizer */
513 __asan_default_options (void)
515 return "unmap_shadow_on_exit=1:disable_coredump=0:abort_on_error=1";
517 #endif /* CLIB_SANITIZE_ADDR */
520 * fd.io coding-style-patch-verification: ON
523 * eval: (c-set-style "gnu")