+++ /dev/null
-/*
- * Copyright (c) 2015 Cisco and/or its affiliates.
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at:
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include <vppinfra/cpu.h>
-#include <vlib/vlib.h>
-#include <vlib/unix/unix.h>
-#include <vnet/plugin/plugin.h>
-#include <vnet/ethernet/ethernet.h>
-
-#include <vpp-api/vpe_msg_enum.h>
-
-#if DPDK
-#include <vnet/devices/dpdk/dpdk.h>
-
-/*
- * Called by the dpdk driver's rte_delay_us() function.
- * Return 0 to have the dpdk do a regular delay loop.
- * Return 1 if to skip the delay loop because we are suspending
- * the calling vlib process instead.
- */
-int
-rte_delay_us_override (unsigned us)
-{
- vlib_main_t *vm;
-
- /* Don't bother intercepting for short delays */
- if (us < 10)
- return 0;
-
- /*
- * Only intercept if we are in a vlib process.
- * If we are called from a vlib worker thread or the vlib main
- * thread then do not intercept. (Must not be called from an
- * independent pthread).
- */
- if (os_get_cpu_number () == 0)
- {
- /*
- * We're in the vlib main thread or a vlib process. Make sure
- * the process is running and we're not still initializing.
- */
- vm = vlib_get_main ();
- if (vlib_in_process_context (vm))
- {
- /* Only suspend for the admin_down_process */
- vlib_process_t *proc = vlib_get_current_process (vm);
- if (!(proc->flags & VLIB_PROCESS_IS_RUNNING) ||
- (proc->node_runtime.function != admin_up_down_process))
- return 0;
-
- f64 delay = 1e-6 * us;
- vlib_process_suspend (vm, delay);
- return 1;
- }
- }
- return 0; // no override
-}
-
-#if RTE_VERSION >= RTE_VERSION_NUM(16, 11, 0, 0)
-static void
-rte_delay_us_override_cb (unsigned us)
-{
- if (rte_delay_us_override (us) == 0)
- rte_delay_us_block (us);
-}
-#endif
-#endif
-
-static void
-vpe_main_init (vlib_main_t * vm)
-{
- if (CLIB_DEBUG > 0)
- vlib_unix_cli_set_prompt ("DBGvpp# ");
- else
- vlib_unix_cli_set_prompt ("vpp# ");
-
- /* Turn off network stack components which we don't want */
- vlib_mark_init_function_complete (vm, srp_init);
-
-#if DPDK
-#if RTE_VERSION >= RTE_VERSION_NUM(16, 11, 0, 0)
- /* register custom delay function */
- rte_delay_us_callback_register (rte_delay_us_override_cb);
-#endif
-#endif
-}
-
-/*
- * Load plugins from /usr/lib/vpp_plugins by default
- */
-char *vlib_plugin_path = "/usr/lib/vpp_plugins";
-
-void *
-vnet_get_handoff_structure (void)
-{
- static vnet_plugin_handoff_t _rv, *rv = &_rv;
-
- rv->vnet_main = vnet_get_main ();
- rv->ethernet_main = ðernet_main;
- return (void *) rv;
-}
-
-int
-main (int argc, char *argv[])
-{
- int i;
- vlib_main_t *vm = &vlib_global_main;
- void vl_msg_api_set_first_available_msg_id (u16);
- uword main_heap_size = (1ULL << 30);
- u8 *sizep;
- u32 size;
- void vlib_set_get_handoff_structure_cb (void *cb);
-
-#if __x86_64__
- const char *msg = "ERROR: This binary requires CPU with %s extensions.\n";
-#define _(a,b) \
- if (!clib_cpu_supports_ ## a ()) \
- { \
- fprintf(stderr, msg, b); \
- exit(1); \
- }
-
-#if __AVX2__
- _(avx2, "AVX2")
-#endif
-#if __AVX__
- _(avx, "AVX")
-#endif
-#if __SSE4_2__
- _(sse42, "SSE4.2")
-#endif
-#if __SSE4_1__
- _(sse41, "SSE4.1")
-#endif
-#if __SSSE3__
- _(ssse3, "SSSE3")
-#endif
-#if __SSE3__
- _(sse3, "SSE3")
-#endif
-#undef _
-#endif
- /*
- * Load startup config from file.
- * usage: vpp -c /etc/vpp/startup.conf
- */
- if ((argc == 3) && !strncmp (argv[1], "-c", 2))
- {
- FILE *fp;
- char inbuf[4096];
- int argc_ = 1;
- char **argv_ = NULL;
- char *arg = NULL;
- char *p;
-
- fp = fopen (argv[2], "r");
- if (fp == NULL)
- {
- fprintf (stderr, "open configuration file '%s' failed\n", argv[2]);
- return 1;
- }
- argv_ = calloc (1, sizeof (char *));
- if (argv_ == NULL)
- return 1;
- arg = strndup (argv[0], 1024);
- if (arg == NULL)
- return 1;
- argv_[0] = arg;
-
- while (1)
- {
- if (fgets (inbuf, 4096, fp) == 0)
- break;
- p = strtok (inbuf, " \t\n");
- while (p != NULL)
- {
- if (*p == '#')
- break;
- argc_++;
- char **tmp = realloc (argv_, argc_ * sizeof (char *));
- if (tmp == NULL)
- return 1;
- argv_ = tmp;
- arg = strndup (p, 1024);
- if (arg == NULL)
- return 1;
- argv_[argc_ - 1] = arg;
- p = strtok (NULL, " \t\n");
- }
- }
-
- fclose (fp);
-
- char **tmp = realloc (argv_, (argc_ + 1) * sizeof (char *));
- if (tmp == NULL)
- return 1;
- argv_ = tmp;
- argv_[argc_] = NULL;
-
- argc = argc_;
- argv = argv_;
- }
-
- /*
- * Look for and parse the "heapsize" config parameter.
- * Manual since none of the clib infra has been bootstrapped yet.
- *
- * Format: heapsize <nn>[mM][gG]
- */
-
- for (i = 1; i < (argc - 1); i++)
- {
- if (!strncmp (argv[i], "plugin_path", 11))
- {
- if (i < (argc - 1))
- vlib_plugin_path = argv[++i];
- }
- else if (!strncmp (argv[i], "heapsize", 8))
- {
- sizep = (u8 *) argv[i + 1];
- size = 0;
- while (*sizep >= '0' && *sizep <= '9')
- {
- size *= 10;
- size += *sizep++ - '0';
- }
- if (size == 0)
- {
- fprintf
- (stderr,
- "warning: heapsize parse error '%s', use default %lld\n",
- argv[i], (long long int) main_heap_size);
- goto defaulted;
- }
-
- main_heap_size = size;
-
- if (*sizep == 'g' || *sizep == 'G')
- main_heap_size <<= 30;
- else if (*sizep == 'm' || *sizep == 'M')
- main_heap_size <<= 20;
- }
- }
-
-defaulted:
-
- /* Set up the plugin message ID allocator right now... */
- vl_msg_api_set_first_available_msg_id (VL_MSG_FIRST_AVAILABLE);
-
- /* Allocate main heap */
- if (clib_mem_init (0, main_heap_size))
- {
- vm->init_functions_called = hash_create (0, /* value bytes */ 0);
- vpe_main_init (vm);
-#if DPDK == 0
- unix_physmem_init (vm, 0 /* fail_if_physical_memory_not_present */ );
-#endif
- vlib_set_get_handoff_structure_cb (&vnet_get_handoff_structure);
- return vlib_unix_main (argc, argv);
- }
- else
- {
- {
- int rv __attribute__ ((unused)) =
- write (2, "Main heap allocation failure!\r\n", 31);
- }
- return 1;
- }
-}
-
-static clib_error_t *
-heapsize_config (vlib_main_t * vm, unformat_input_t * input)
-{
- u32 junk;
-
- while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
- {
- if (unformat (input, "%dm", &junk)
- || unformat (input, "%dM", &junk)
- || unformat (input, "%dg", &junk) || unformat (input, "%dG", &junk))
- return 0;
- else
- return clib_error_return (0, "unknown input '%U'",
- format_unformat_error, input);
- }
- return 0;
-}
-
-VLIB_CONFIG_FUNCTION (heapsize_config, "heapsize");
-
-static clib_error_t *
-plugin_path_config (vlib_main_t * vm, unformat_input_t * input)
-{
- u8 *junk;
-
- while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
- {
- if (unformat (input, "%s", &junk))
- {
- vec_free (junk);
- return 0;
- }
- else
- return clib_error_return (0, "unknown input '%U'",
- format_unformat_error, input);
- }
- return 0;
-}
-
-VLIB_CONFIG_FUNCTION (plugin_path_config, "plugin_path");
-
-void vl_msg_api_post_mortem_dump (void);
-
-void
-os_panic (void)
-{
- vl_msg_api_post_mortem_dump ();
- abort ();
-}
-
-void vhost_user_unmap_all (void) __attribute__ ((weak));
-void
-vhost_user_unmap_all (void)
-{
-}
-
-void
-os_exit (int code)
-{
- static int recursion_block;
-
- if (code)
- {
- if (recursion_block)
- abort ();
-
- recursion_block = 1;
-
- vl_msg_api_post_mortem_dump ();
- vhost_user_unmap_all ();
- abort ();
- }
- exit (code);
-}
-
-void
-vl_msg_api_barrier_sync (void)
-{
- vlib_worker_thread_barrier_sync (vlib_get_main ());
-}
-
-void
-vl_msg_api_barrier_release (void)
-{
- vlib_worker_thread_barrier_release (vlib_get_main ());
-}
-
-/* This application needs 1 thread stack for the stats pthread */
-u32
-vlib_app_num_thread_stacks_needed (void)
-{
- return 1;
-}
-
-/*
- * Depending on the configuration selected above,
- * it may be necessary to generate stub graph nodes.
- * It is never OK to ignore "node 'x' refers to unknown node 'y'
- * messages!
- */
-
-#if CLIB_DEBUG > 0
-
-static clib_error_t *
-test_crash_command_fn (vlib_main_t * vm,
- unformat_input_t * input, vlib_cli_command_t * cmd)
-{
- u64 *p = (u64 *) 0xdefec8ed;
-
- *p = 0xdeadbeef;
-
- /* Not so much... */
- return 0;
-}
-
-/* *INDENT-OFF* */
-VLIB_CLI_COMMAND (test_crash_command, static) = {
- .path = "test crash",
- .short_help = "crash the bus!",
- .function = test_crash_command_fn,
-};
-/* *INDENT-ON* */
-
-#endif
-
-/*
- * fd.io coding-style-patch-verification: ON
- *
- * Local Variables:
- * eval: (c-set-style "gnu")
- * End:
- */
Code Review / vpp.git / blobdiff