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.
15 #include <vlib/vlib.h>
16 #include <vlib/unix/unix.h>
17 #include <vnet/plugin/plugin.h>
18 #include <vnet/ethernet/ethernet.h>
20 #include <api/vpe_msg_enum.h>
23 #include <vnet/devices/dpdk/dpdk.h>
26 /** \mainpage Virtual Packet Edge Documentation
27 * \section intro_sec Introduction
29 * VPE is a specific vector packet processing application,
30 * designed to steer packets to/from tenant virtual machines.
35 vpe_main_init (vlib_main_t * vm)
38 vlib_unix_cli_set_prompt ("DBGvpp# ");
40 vlib_unix_cli_set_prompt ("vpp# ");
42 /* Turn off network stack components which we don't want */
43 vlib_mark_init_function_complete (vm, srp_init);
47 * Load plugins from /usr/lib/vpp_plugins by default
49 char *vlib_plugin_path = "/usr/lib/vpp_plugins";
51 void *vnet_get_handoff_structure (void)
53 static vnet_plugin_handoff_t _rv, *rv = &_rv;
55 rv->vnet_main = vnet_get_main();
56 rv->ethernet_main = ðernet_main;
60 int main (int argc, char * argv[])
63 vlib_main_t * vm = &vlib_global_main;
64 void vl_msg_api_set_first_available_msg_id (u16);
65 uword main_heap_size = (1ULL << 30);
68 void vlib_set_get_handoff_structure_cb (void *cb);
71 __builtin_cpu_init ();
72 const char * msg = "ERROR: This binary requires CPU with %s extensions.\n";
74 if (!__builtin_cpu_supports(a)) \
76 fprintf(stderr, msg, b); \
102 * Load startup config from file.
103 * usage: vpp -c /etc/vpp/startup.conf
105 if ((argc == 3) && !strncmp(argv[1], "-c", 2))
110 char ** argv_ = NULL;
114 fp = fopen (argv[2], "r");
117 fprintf(stderr, "open configuration file '%s' failed\n", argv[2]);
120 argv_ = calloc(1, sizeof(char *));
123 arg = strndup(argv[0], 1024);
129 if (fgets(inbuf, 4096, fp) == 0)
131 p = strtok(inbuf, " \t\n");
136 char ** tmp = realloc(argv_, argc_ * sizeof(char *));
140 arg = strndup(p, 1024);
143 argv_[argc_ - 1] = arg;
144 p = strtok(NULL, " \t\n");
150 char ** tmp = realloc(argv_, (argc_ + 1) * sizeof(char *));
161 * Look for and parse the "heapsize" config parameter.
162 * Manual since none of the clib infra has been bootstrapped yet.
164 * Format: heapsize <nn>[mM][gG]
167 for (i = 1; i < (argc-1); i++) {
168 if (!strncmp (argv[i], "plugin_path", 11)) {
170 vlib_plugin_path = argv[++i];
171 } else if (!strncmp (argv[i], "heapsize", 8)) {
172 sizep = (u8 *) argv[i+1];
174 while (*sizep >= '0' && *sizep <= '9') {
176 size += *sizep++ - '0';
181 "warning: heapsize parse error '%s', use default %lld\n",
182 argv[i], (long long int) main_heap_size);
186 main_heap_size = size;
188 if (*sizep == 'g' || *sizep == 'G')
189 main_heap_size <<= 30;
190 else if (*sizep == 'm' || *sizep == 'M')
191 main_heap_size <<= 20;
197 /* Set up the plugin message ID allocator right now... */
198 vl_msg_api_set_first_available_msg_id (VL_MSG_FIRST_AVAILABLE);
200 /* Allocate main heap */
201 if (clib_mem_init (0, main_heap_size)) {
202 vm->init_functions_called = hash_create (0, /* value bytes */ 0);
206 dpdk_pmd_constructor_init();
209 unix_physmem_init(vm, 0 /* fail_if_physical_memory_not_present */);
211 vlib_set_get_handoff_structure_cb (&vnet_get_handoff_structure);
212 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) {
228 if (unformat (input, "%dm", &junk)
229 || unformat (input, "%dM", &junk)
230 || unformat (input, "%dg", &junk)
231 || 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) {
248 if (unformat (input, "%s", &junk)) {
253 return clib_error_return (0, "unknown input '%U'",
254 format_unformat_error, input);
259 VLIB_CONFIG_FUNCTION (plugin_path_config, "plugin_path");
261 void vl_msg_api_post_mortem_dump(void);
265 vl_msg_api_post_mortem_dump();
269 void vhost_user_unmap_all (void) __attribute__((weak));
270 void vhost_user_unmap_all (void) { }
272 void os_exit (int code)
274 static int recursion_block;
283 vl_msg_api_post_mortem_dump();
284 vhost_user_unmap_all();
290 void vl_msg_api_barrier_sync(void)
292 vlib_worker_thread_barrier_sync (vlib_get_main());
295 void vl_msg_api_barrier_release(void)
297 vlib_worker_thread_barrier_release (vlib_get_main());
300 /* This application needs 1 thread stack for the stats pthread */
301 u32 vlib_app_num_thread_stacks_needed (void)
307 * Depending on the configuration selected above,
308 * it may be necessary to generate stub graph nodes.
309 * It is never OK to ignore "node 'x' refers to unknown node 'y'
315 static clib_error_t *
316 test_crash_command_fn (vlib_main_t * vm,
317 unformat_input_t * input,
318 vlib_cli_command_t * cmd)
320 u64 * p = (u64 *)0xdefec8ed;
328 VLIB_CLI_COMMAND (test_crash_command, static) = {
329 .path = "test crash",
330 .short_help = "crash the bus!",
331 .function = test_crash_command_fn,