diff options
author | Damjan Marion <damarion@cisco.com> | 2016-12-19 23:05:39 +0100 |
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committer | Damjan Marion <damarion@cisco.com> | 2016-12-28 12:25:14 +0100 |
commit | 7cd468a3d7dee7d6c92f69a0bb7061ae208ec727 (patch) | |
tree | 5de62f8dbd3a752f5a676ca600e43d2652d1ff1a /vlib/vlib/main.h | |
parent | 696f1adec0df3b8f161862566dd9c86174302658 (diff) |
Reorganize source tree to use single autotools instance
Change-Id: I7b51f88292e057c6443b12224486f2d0c9f8ae23
Signed-off-by: Damjan Marion <damarion@cisco.com>
Diffstat (limited to 'vlib/vlib/main.h')
-rw-r--r-- | vlib/vlib/main.h | 333 |
1 files changed, 0 insertions, 333 deletions
diff --git a/vlib/vlib/main.h b/vlib/vlib/main.h deleted file mode 100644 index d9ac1445ddd..00000000000 --- a/vlib/vlib/main.h +++ /dev/null @@ -1,333 +0,0 @@ -/* - * 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. - */ -/* - * main.h: VLIB main data structure - * - * Copyright (c) 2008 Eliot Dresselhaus - * - * Permission is hereby granted, free of charge, to any person obtaining - * a copy of this software and associated documentation files (the - * "Software"), to deal in the Software without restriction, including - * without limitation the rights to use, copy, modify, merge, publish, - * distribute, sublicense, and/or sell copies of the Software, and to - * permit persons to whom the Software is furnished to do so, subject to - * the following conditions: - * - * The above copyright notice and this permission notice shall be - * included in all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, - * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND - * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE - * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION - * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION - * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - */ - -#ifndef included_vlib_main_h -#define included_vlib_main_h - -#include <vppinfra/elog.h> -#include <vppinfra/format.h> -#include <vppinfra/longjmp.h> -#include <vppinfra/pool.h> -#include <vppinfra/random_buffer.h> -#include <vppinfra/time.h> - -#include <pthread.h> - - -/* By default turn off node/error event logging. - Override with -DVLIB_ELOG_MAIN_LOOP */ -#ifndef VLIB_ELOG_MAIN_LOOP -#define VLIB_ELOG_MAIN_LOOP 0 -#endif - -typedef struct vlib_main_t -{ - /* Instruction level timing state. */ - clib_time_t clib_time; - - /* Time stamp of last node dispatch. */ - u64 cpu_time_last_node_dispatch; - - /* Time stamp when main loop was entered (time 0). */ - u64 cpu_time_main_loop_start; - - /* Incremented once for each main loop. */ - u32 main_loop_count; - - /* Count of vectors processed this main loop. */ - u32 main_loop_vectors_processed; - u32 main_loop_nodes_processed; - - /* Circular buffer of input node vector counts. - Indexed by low bits of - (main_loop_count >> VLIB_LOG2_INPUT_VECTORS_PER_MAIN_LOOP). */ - u32 vector_counts_per_main_loop[2]; - u32 node_counts_per_main_loop[2]; - - /* Every so often we switch to the next counter. */ -#define VLIB_LOG2_MAIN_LOOPS_PER_STATS_UPDATE 7 - - /* Jump target to exit main loop with given code. */ - u32 main_loop_exit_set; - clib_longjmp_t main_loop_exit; -#define VLIB_MAIN_LOOP_EXIT_NONE 0 -#define VLIB_MAIN_LOOP_EXIT_PANIC 1 - /* Exit via CLI. */ -#define VLIB_MAIN_LOOP_EXIT_CLI 2 - - /* Error marker to use when exiting main loop. */ - clib_error_t *main_loop_error; - - /* Name for e.g. syslog. */ - char *name; - - /* Start and size of CLIB heap. */ - void *heap_base; - uword heap_size; - - vlib_buffer_main_t *buffer_main; - - vlib_physmem_main_t physmem_main; - - /* Allocate/free buffer memory for DMA transfers, descriptor rings, etc. - buffer memory is guaranteed to be cache-aligned. */ - void *(*os_physmem_alloc_aligned) (vlib_physmem_main_t * pm, - uword n_bytes, uword alignment); - void (*os_physmem_free) (void *x); - - /* Node graph main structure. */ - vlib_node_main_t node_main; - - /* Command line interface. */ - vlib_cli_main_t cli_main; - - /* Packet trace buffer. */ - vlib_trace_main_t trace_main; - - /* Error handling. */ - vlib_error_main_t error_main; - - /* Punt packets to underlying operating system for when fast switching - code does not know what to do. */ - void (*os_punt_frame) (struct vlib_main_t * vm, - struct vlib_node_runtime_t * node, - vlib_frame_t * frame); - - /* Multicast distribution. Set to zero for MC disabled. */ - mc_main_t *mc_main; - - /* Stream index to use for distribution when MC is enabled. */ - u32 mc_stream_index; - - vlib_one_time_waiting_process_t *procs_waiting_for_mc_stream_join; - - /* Event logger. */ - elog_main_t elog_main; - - /* Node call and return event types. */ - elog_event_type_t *node_call_elog_event_types; - elog_event_type_t *node_return_elog_event_types; - - elog_event_type_t *error_elog_event_types; - - /* Seed for random number generator. */ - uword random_seed; - - /* Buffer of random data for various uses. */ - clib_random_buffer_t random_buffer; - - /* Hash table to record which init functions have been called. */ - uword *init_functions_called; - - /* to compare with node runtime */ - u32 cpu_index; - - void **mbuf_alloc_list; - - /* List of init functions to call, setup by constructors */ - _vlib_init_function_list_elt_t *init_function_registrations; - _vlib_init_function_list_elt_t *main_loop_enter_function_registrations; - _vlib_init_function_list_elt_t *main_loop_exit_function_registrations; - _vlib_init_function_list_elt_t *api_init_function_registrations; - vlib_config_function_runtime_t *config_function_registrations; - mc_serialize_msg_t *mc_msg_registrations; /* mc_main is a pointer... */ - - /* control-plane API queue signal pending, length indication */ - volatile u32 queue_signal_pending; - volatile u32 api_queue_nonempty; - void (*queue_signal_callback) (struct vlib_main_t *); - u8 **argv; -} vlib_main_t; - -/* Global main structure. */ -extern vlib_main_t vlib_global_main; - -always_inline f64 -vlib_time_now (vlib_main_t * vm) -{ - return clib_time_now (&vm->clib_time); -} - -always_inline f64 -vlib_time_now_ticks (vlib_main_t * vm, u64 n) -{ - return clib_time_now_internal (&vm->clib_time, n); -} - -/* Busy wait for specified time. */ -always_inline void -vlib_time_wait (vlib_main_t * vm, f64 wait) -{ - f64 t = vlib_time_now (vm); - f64 limit = t + wait; - while (t < limit) - t = vlib_time_now (vm); -} - -/* Time a piece of code. */ -#define vlib_time_code(vm,body) \ -do { \ - f64 _t[2]; \ - _t[0] = vlib_time_now (vm); \ - do { body; } while (0); \ - _t[1] = vlib_time_now (vm); \ - clib_warning ("%.7e", _t[1] - _t[0]); \ -} while (0) - -#define vlib_wait_with_timeout(vm,suspend_time,timeout_time,test) \ -({ \ - uword __vlib_wait_with_timeout = 0; \ - f64 __vlib_wait_time = 0; \ - while (! (__vlib_wait_with_timeout = (test)) \ - && __vlib_wait_time < (timeout_time)) \ - { \ - vlib_process_suspend (vm, suspend_time); \ - __vlib_wait_time += suspend_time; \ - } \ - __vlib_wait_with_timeout; \ -}) - -always_inline void -vlib_panic_with_error (vlib_main_t * vm, clib_error_t * error) -{ - vm->main_loop_error = error; - clib_longjmp (&vm->main_loop_exit, VLIB_MAIN_LOOP_EXIT_PANIC); -} - -#define vlib_panic_with_msg(vm,args...) \ - vlib_panic_with_error (vm, clib_error_return (0, args)) - -always_inline void -vlib_panic (vlib_main_t * vm) -{ - vlib_panic_with_error (vm, 0); -} - -always_inline u32 -vlib_vector_input_stats_index (vlib_main_t * vm, word delta) -{ - u32 i; - i = vm->main_loop_count >> VLIB_LOG2_MAIN_LOOPS_PER_STATS_UPDATE; - ASSERT (is_pow2 (ARRAY_LEN (vm->vector_counts_per_main_loop))); - return (i + delta) & (ARRAY_LEN (vm->vector_counts_per_main_loop) - 1); -} - -/* Estimate input rate based on previous - 2^VLIB_LOG2_MAIN_LOOPS_PER_STATS_UPDATE - samples. */ -always_inline u32 -vlib_last_vectors_per_main_loop (vlib_main_t * vm) -{ - u32 i = vlib_vector_input_stats_index (vm, -1); - u32 n = vm->vector_counts_per_main_loop[i]; - return n >> VLIB_LOG2_MAIN_LOOPS_PER_STATS_UPDATE; -} - -/* Total ave vector count per iteration of main loop. */ -always_inline f64 -vlib_last_vectors_per_main_loop_as_f64 (vlib_main_t * vm) -{ - u32 i = vlib_vector_input_stats_index (vm, -1); - u32 v = vm->vector_counts_per_main_loop[i]; - return (f64) v / (f64) (1 << VLIB_LOG2_MAIN_LOOPS_PER_STATS_UPDATE); -} - -/* Total ave vectors/node count per iteration of main loop. */ -always_inline f64 -vlib_last_vector_length_per_node (vlib_main_t * vm) -{ - u32 i = vlib_vector_input_stats_index (vm, -1); - u32 v = vm->vector_counts_per_main_loop[i]; - u32 n = vm->node_counts_per_main_loop[i]; - return n == 0 ? 0 : (f64) v / (f64) n; -} - -extern u32 wraps; - -always_inline void -vlib_increment_main_loop_counter (vlib_main_t * vm) -{ - u32 i, c, n, v, is_wrap; - - c = vm->main_loop_count++; - - is_wrap = (c & pow2_mask (VLIB_LOG2_MAIN_LOOPS_PER_STATS_UPDATE)) == 0; - - if (is_wrap) - wraps++; - - i = vlib_vector_input_stats_index (vm, /* delta */ is_wrap); - - v = is_wrap ? 0 : vm->vector_counts_per_main_loop[i]; - n = is_wrap ? 0 : vm->node_counts_per_main_loop[i]; - - v += vm->main_loop_vectors_processed; - n += vm->main_loop_nodes_processed; - vm->main_loop_vectors_processed = 0; - vm->main_loop_nodes_processed = 0; - vm->vector_counts_per_main_loop[i] = v; - vm->node_counts_per_main_loop[i] = n; -} - -always_inline void vlib_set_queue_signal_callback - (vlib_main_t * vm, void (*fp) (vlib_main_t *)) -{ - vm->queue_signal_callback = fp; -} - -/* Main routine. */ -int vlib_main (vlib_main_t * vm, unformat_input_t * input); - -/* Thread stacks, for os_get_cpu_number */ -extern u8 **vlib_thread_stacks; - -/* Number of thread stacks that the application needs */ -u32 vlib_app_num_thread_stacks_needed (void) __attribute__ ((weak)); - -extern void vlib_node_sync_stats (vlib_main_t * vm, vlib_node_t * n); - -#endif /* included_vlib_main_h */ - -/* - * fd.io coding-style-patch-verification: ON - * - * Local Variables: - * eval: (c-set-style "gnu") - * End: - */ |