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.
16 #include <vppinfra/cpu.h>
17 #include <vlib/vlib.h>
18 #include <vlib/unix/unix.h>
19 #include <vnet/plugin/plugin.h>
20 #include <vnet/ethernet/ethernet.h>
22 #include <vpp/api/vpe_msg_enum.h>
26 vpe_main_init (vlib_main_t * vm)
29 vlib_unix_cli_set_prompt ("DBGvpp# ");
31 vlib_unix_cli_set_prompt ("vpp# ");
33 /* Turn off network stack components which we don't want */
34 vlib_mark_init_function_complete (vm, srp_init);
39 * Load plugins from /usr/lib/vpp_plugins by default
41 char *vlib_plugin_path = "/usr/lib/vpp_plugins";
44 vnet_get_handoff_structure (void)
46 static vnet_plugin_handoff_t _rv, *rv = &_rv;
48 rv->vnet_main = vnet_get_main ();
49 rv->ethernet_main = ðernet_main;
54 main (int argc, char *argv[])
57 vlib_main_t *vm = &vlib_global_main;
58 void vl_msg_api_set_first_available_msg_id (u16);
59 uword main_heap_size = (1ULL << 30);
62 void vlib_set_get_handoff_structure_cb (void *cb);
65 CLIB_UNUSED (const char *msg)
66 = "ERROR: This binary requires CPU with %s extensions.\n";
68 if (!clib_cpu_supports_ ## a ()) \
70 fprintf(stderr, msg, b); \
95 * Load startup config from file.
96 * usage: vpp -c /etc/vpp/startup.conf
98 if ((argc == 3) && !strncmp (argv[1], "-c", 2))
107 fp = fopen (argv[2], "r");
110 fprintf (stderr, "open configuration file '%s' failed\n", argv[2]);
113 argv_ = calloc (1, sizeof (char *));
116 arg = strndup (argv[0], 1024);
123 if (fgets (inbuf, 4096, fp) == 0)
125 p = strtok (inbuf, " \t\n");
131 char **tmp = realloc (argv_, argc_ * sizeof (char *));
135 arg = strndup (p, 1024);
138 argv_[argc_ - 1] = arg;
139 p = strtok (NULL, " \t\n");
145 char **tmp = realloc (argv_, (argc_ + 1) * sizeof (char *));
156 * Look for and parse the "heapsize" config parameter.
157 * Manual since none of the clib infra has been bootstrapped yet.
159 * Format: heapsize <nn>[mM][gG]
162 for (i = 1; i < (argc - 1); i++)
164 if (!strncmp (argv[i], "plugin_path", 11))
167 vlib_plugin_path = argv[++i];
169 else if (!strncmp (argv[i], "heapsize", 8))
171 sizep = (u8 *) argv[i + 1];
173 while (*sizep >= '0' && *sizep <= '9')
176 size += *sizep++ - '0';
182 "warning: heapsize parse error '%s', use default %lld\n",
183 argv[i], (long long int) main_heap_size);
187 main_heap_size = size;
189 if (*sizep == 'g' || *sizep == 'G')
190 main_heap_size <<= 30;
191 else if (*sizep == 'm' || *sizep == 'M')
192 main_heap_size <<= 20;
198 /* Set up the plugin message ID allocator right now... */
199 vl_msg_api_set_first_available_msg_id (VL_MSG_FIRST_AVAILABLE);
201 /* Allocate main heap */
202 if (clib_mem_init (0, main_heap_size))
204 vm->init_functions_called = hash_create (0, /* value bytes */ 0);
207 unix_physmem_init (vm, 0 /* fail_if_physical_memory_not_present */ );
209 vlib_set_get_handoff_structure_cb (&vnet_get_handoff_structure);
210 return vlib_unix_main (argc, argv);
215 int rv __attribute__ ((unused)) =
216 write (2, "Main heap allocation failure!\r\n", 31);
222 static clib_error_t *
223 heapsize_config (vlib_main_t * vm, unformat_input_t * input)
227 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
229 if (unformat (input, "%dm", &junk)
230 || unformat (input, "%dM", &junk)
231 || unformat (input, "%dg", &junk) || unformat (input, "%dG", &junk))
234 return clib_error_return (0, "unknown input '%U'",
235 format_unformat_error, input);
240 VLIB_CONFIG_FUNCTION (heapsize_config, "heapsize");
242 static clib_error_t *
243 plugin_path_config (vlib_main_t * vm, unformat_input_t * input)
247 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
249 if (unformat (input, "%s", &junk))
255 return clib_error_return (0, "unknown input '%U'",
256 format_unformat_error, input);
261 VLIB_CONFIG_FUNCTION (plugin_path_config, "plugin_path");
263 void vl_msg_api_post_mortem_dump (void);
268 vl_msg_api_post_mortem_dump ();
272 void vhost_user_unmap_all (void) __attribute__ ((weak));
274 vhost_user_unmap_all (void)
281 static int recursion_block;
290 vl_msg_api_post_mortem_dump ();
291 vhost_user_unmap_all ();
298 vl_msg_api_barrier_sync (void)
300 vlib_worker_thread_barrier_sync (vlib_get_main ());
304 vl_msg_api_barrier_release (void)
306 vlib_worker_thread_barrier_release (vlib_get_main ());
309 /* This application needs 1 thread stack for the stats pthread */
311 vlib_app_num_thread_stacks_needed (void)
317 * Depending on the configuration selected above,
318 * it may be necessary to generate stub graph nodes.
319 * It is never OK to ignore "node 'x' refers to unknown node 'y'
325 static clib_error_t *
326 test_crash_command_fn (vlib_main_t * vm,
327 unformat_input_t * input, vlib_cli_command_t * cmd)
329 u64 *p = (u64 *) 0xdefec8ed;
338 VLIB_CLI_COMMAND (test_crash_command, static) = {
339 .path = "test crash",
340 .short_help = "crash the bus!",
341 .function = test_crash_command_fn,
348 * fd.io coding-style-patch-verification: ON
351 * eval: (c-set-style "gnu")