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.
19 #include <pthread_np.h>
20 #endif /* __FreeBSD__ */
23 #include <vppinfra/clib.h>
24 #include <vppinfra/cpu.h>
25 #include <vlib/vlib.h>
26 #include <vlib/unix/unix.h>
27 #include <vlib/threads.h>
28 #include <vnet/plugin/plugin.h>
29 #include <vnet/ethernet/ethernet.h>
30 #include <vpp/app/version.h>
31 #include <vpp/vnet/config.h>
32 #include <vlibmemory/memclnt.api_enum.h> /* To get the last static message id */
36 * Load plugins from /usr/lib/vpp_plugins by default
38 char *vlib_plugin_path = NULL;
39 char *vlib_plugin_app_version = VPP_BUILD_VER;
40 char *vat_plugin_path = NULL;
43 vpp_find_plugin_path ()
45 extern char *vat_plugin_path;
46 char *p, path[PATH_MAX];
50 /* find executable path */
51 if ((rv = readlink ("/proc/self/exe", path, PATH_MAX - 1)) == -1)
54 /* readlink doesn't provide null termination */
58 if ((p = strrchr (path, '/')) == 0)
63 if ((p = strrchr (path, '/')) == 0)
67 s = format (0, "%s/" CLIB_LIB_DIR "/vpp_plugins", path, path);
69 vlib_plugin_path = (char *) s;
71 s = format (0, "%s/" CLIB_LIB_DIR "/vpp_api_test_plugins", path, path);
73 vat_plugin_path = (char *) s;
77 vpe_main_init (vlib_main_t * vm)
79 #if VPP_API_TEST_BUILTIN > 0
80 void vat_plugin_hash_create (void);
84 vlib_unix_cli_set_prompt ("DBGvpp# ");
86 vlib_unix_cli_set_prompt ("vpp# ");
88 /* Turn off network stack components which we don't want */
89 vlib_mark_init_function_complete (vm, srp_init);
92 * Create the binary api plugin hashes before loading plugins
94 #if VPP_API_TEST_BUILTIN > 0
95 vat_plugin_hash_create ();
98 if (!vlib_plugin_path)
99 vpp_find_plugin_path ();
103 * Default path for runtime data
105 char *vlib_default_runtime_dir = "vpp";
108 main (int argc, char *argv[])
111 void vl_msg_api_set_first_available_msg_id (u16);
112 uword main_heap_size = (1ULL << 30);
115 clib_mem_page_sz_t main_heap_log2_page_sz = CLIB_MEM_PAGE_SZ_DEFAULT;
116 clib_mem_page_sz_t default_log2_hugepage_sz = CLIB_MEM_PAGE_SZ_UNKNOWN;
117 unformat_input_t input, sub_input;
124 CLIB_UNUSED (const char *msg)
125 = "ERROR: This binary requires CPU with %s extensions.\n";
127 if (!clib_cpu_supports_ ## a ()) \
129 fprintf(stderr, msg, b); \
154 * Load startup config from file.
155 * usage: vpp -c /etc/vpp/startup.conf
157 if ((argc == 3) && !strncmp (argv[1], "-c", 2))
166 fp = fopen (argv[2], "r");
169 fprintf (stderr, "open configuration file '%s' failed\n", argv[2]);
172 argv_ = calloc (1, sizeof (char *));
178 arg = strndup (argv[0], 1024);
189 if (fgets (inbuf, 4096, fp) == 0)
191 p = strtok (inbuf, " \t\n");
197 char **tmp = realloc (argv_, argc_ * sizeof (char *));
201 arg = strndup (p, 1024);
204 argv_[argc_ - 1] = arg;
205 p = strtok (NULL, " \t\n");
211 char **tmp = realloc (argv_, (argc_ + 1) * sizeof (char *));
222 * Look for and parse the "heapsize" config parameter.
223 * Manual since none of the clib infra has been bootstrapped yet.
225 * Format: heapsize <nn>[mM][gG]
228 for (i = 1; i < (argc - 1); i++)
230 if (!strncmp (argv[i], "plugin_path", 11))
233 vlib_plugin_path = argv[++i];
235 if (!strncmp (argv[i], "test_plugin_path", 16))
238 vat_plugin_path = argv[++i];
240 else if (!strncmp (argv[i], "heapsize", 8))
242 sizep = (u8 *) argv[i + 1];
244 while (*sizep >= '0' && *sizep <= '9')
247 size += *sizep++ - '0';
253 "warning: heapsize parse error '%s', use default %lld\n",
254 argv[i], (long long int) main_heap_size);
258 main_heap_size = size;
260 if (*sizep == 'g' || *sizep == 'G')
261 main_heap_size <<= 30;
262 else if (*sizep == 'm' || *sizep == 'M')
263 main_heap_size <<= 20;
265 else if (!strncmp (argv[i], "main-core", 9))
270 unsigned long x = strtol (argv[++i], 0, 0);
275 else if (!strncmp (argv[i], "interactive", 11))
276 unix_main.flags |= UNIX_FLAG_INTERACTIVE;
277 else if (!strncmp (argv[i], "nosyslog", 8))
278 unix_main.flags |= UNIX_FLAG_NOSYSLOG;
283 clib_mem_init (0, 1 << 20);
284 unformat_init_command_line (&input, (char **) argv);
286 while (unformat_check_input (&input) != UNFORMAT_END_OF_INPUT)
288 if (unformat (&input, "memory %v", &v))
290 unformat_init_vector (&sub_input, v);
292 while (unformat_check_input (&sub_input) != UNFORMAT_END_OF_INPUT)
294 if (unformat (&sub_input, "main-heap-size %U",
295 unformat_memory_size, &main_heap_size))
297 else if (unformat (&sub_input, "main-heap-page-size %U",
298 unformat_log2_page_size,
299 &main_heap_log2_page_sz))
301 else if (unformat (&sub_input, "default-hugepage-size %U",
302 unformat_log2_page_size,
303 &default_log2_hugepage_sz))
307 fformat (stderr, "unknown 'memory' config input '%U'\n",
308 format_unformat_error, &sub_input);
313 unformat_free (&sub_input);
315 else if (!unformat (&input, "%s %v", &s, &v))
318 vec_reset_length (s);
319 vec_reset_length (v);
324 unformat_free (&input);
326 /* set process affinity for main thread */
330 CPU_SET (main_core, &cpuset);
331 if (pthread_setaffinity_np (pthread_self (), sizeof (cpu_set_t),
335 "pthread_setaffinity_np() on cpu %d failed for main thread",
340 /* Set up the plugin message ID allocator right now... */
341 vl_msg_api_set_first_available_msg_id (VL_MSG_MEMCLNT_LAST + 1);
343 /* destroy temporary heap and create main one */
346 if ((main_heap = clib_mem_init_with_page_size (main_heap_size,
347 main_heap_log2_page_sz)))
349 /* Figure out which numa runs the main thread */
350 __os_numa_index = clib_get_current_numa_node ();
352 if (default_log2_hugepage_sz != CLIB_MEM_PAGE_SZ_UNKNOWN)
353 clib_mem_set_log2_default_hugepage_size (default_log2_hugepage_sz);
355 /* and use the main heap as that numa's numa heap */
356 clib_mem_set_per_numa_heap (main_heap);
358 vpe_main_init (vlib_get_first_main ());
359 return vlib_unix_main (argc, argv);
364 int rv __attribute__ ((unused)) =
365 write (2, "Main heap allocation failure!\r\n", 31);
371 static clib_error_t *
372 memory_config (vlib_main_t * vm, unformat_input_t * input)
377 VLIB_CONFIG_FUNCTION (memory_config, "memory");
379 static clib_error_t *
380 heapsize_config (vlib_main_t * vm, unformat_input_t * input)
385 VLIB_CONFIG_FUNCTION (heapsize_config, "heapsize");
387 static clib_error_t *
388 placeholder_path_config (vlib_main_t * vm, unformat_input_t * input)
392 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
394 if (unformat (input, "%s", &junk))
400 return clib_error_return (0, "unknown input '%U'",
401 format_unformat_error, input);
406 static clib_error_t *
407 plugin_path_config (vlib_main_t * vm, unformat_input_t * input)
409 return placeholder_path_config (vm, input);
412 VLIB_CONFIG_FUNCTION (plugin_path_config, "plugin_path");
414 static clib_error_t *
415 test_plugin_path_config (vlib_main_t * vm, unformat_input_t * input)
417 return placeholder_path_config (vm, input);
420 VLIB_CONFIG_FUNCTION (test_plugin_path_config, "test_plugin_path");
422 void vl_msg_api_post_mortem_dump (void);
423 void vlib_post_mortem_dump (void);
428 vl_msg_api_post_mortem_dump ();
429 vlib_post_mortem_dump ();
433 void vhost_user_unmap_all (void) __attribute__ ((weak));
435 vhost_user_unmap_all (void)
442 static int recursion_block;
451 vl_msg_api_post_mortem_dump ();
452 vlib_post_mortem_dump ();
453 vhost_user_unmap_all ();
459 #ifdef BARRIER_TRACING
461 vl_msg_api_barrier_trace_context (const char *context)
463 vlib_worker_threads[0].barrier_context = context;
468 vl_msg_api_barrier_sync (void)
470 vlib_worker_thread_barrier_sync (vlib_get_main ());
474 vl_msg_api_barrier_release (void)
476 vlib_worker_thread_barrier_release (vlib_get_main ());
479 /* This application needs 1 thread stack for the stats pthread */
481 vlib_app_num_thread_stacks_needed (void)
487 * Depending on the configuration selected above,
488 * it may be necessary to generate stub graph nodes.
489 * It is never OK to ignore "node 'x' refers to unknown node 'y'
493 #include <vppinfra/bihash_8_8.h>
495 static clib_error_t *
496 show_bihash_command_fn (vlib_main_t * vm,
497 unformat_input_t * input, vlib_cli_command_t * cmd)
500 clib_bihash_8_8_t *h;
503 if (unformat (input, "verbose"))
506 for (i = 0; i < vec_len (clib_all_bihashes); i++)
508 h = (clib_bihash_8_8_t *) clib_all_bihashes[i];
509 vlib_cli_output (vm, "\n%U", h->fmt_fn, h, verbose);
516 VLIB_CLI_COMMAND (show_bihash_command, static) =
518 .path = "show bihash",
519 .short_help = "show bihash",
520 .function = show_bihash_command_fn,
524 #ifdef CLIB_SANITIZE_ADDR
525 /* default options for Address Sanitizer */
527 __asan_default_options (void)
529 return VPP_SANITIZE_ADDR_OPTIONS;
531 #endif /* CLIB_SANITIZE_ADDR */
534 * fd.io coding-style-patch-verification: ON
537 * eval: (c-set-style "gnu")