FD.io VPP  v19.01.1-17-ge106252
Vector Packet Processing
node.h
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1 /*
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:
6  *
7  * http://www.apache.org/licenses/LICENSE-2.0
8  *
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.
14  */
15 /*
16  * node.h: VLIB processing nodes
17  *
18  * Copyright (c) 2008 Eliot Dresselhaus
19  *
20  * Permission is hereby granted, free of charge, to any person obtaining
21  * a copy of this software and associated documentation files (the
22  * "Software"), to deal in the Software without restriction, including
23  * without limitation the rights to use, copy, modify, merge, publish,
24  * distribute, sublicense, and/or sell copies of the Software, and to
25  * permit persons to whom the Software is furnished to do so, subject to
26  * the following conditions:
27  *
28  * The above copyright notice and this permission notice shall be
29  * included in all copies or substantial portions of the Software.
30  *
31  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
32  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
33  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
34  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
35  * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
36  * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
37  * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
38  */
39 
40 #ifndef included_vlib_node_h
41 #define included_vlib_node_h
42 
43 #include <vppinfra/cpu.h>
44 #include <vppinfra/longjmp.h>
45 #include <vppinfra/lock.h>
46 #include <vlib/trace.h> /* for vlib_trace_filter_t */
47 
48 /* Forward declaration. */
49 struct vlib_node_runtime_t;
50 struct vlib_frame_t;
51 
52 /* Internal nodes (including output nodes) move data from node to
53  node (or out of the graph for output nodes). */
55  struct vlib_node_runtime_t * node,
56  struct vlib_frame_t * frame);
57 
58 typedef enum
59 {
68 
69 typedef enum
70 {
71  /* An internal node on the call graph (could be output). */
73 
74  /* Nodes which input data into the processing graph.
75  Input nodes are called for each iteration of main loop. */
77 
78  /* Nodes to be called before all input nodes.
79  Used, for example, to clean out driver TX rings before
80  processing input. */
82 
83  /* "Process" nodes which can be suspended and later resumed. */
85 
88 
89 typedef struct _vlib_node_fn_registration
90 {
91  vlib_node_function_t *function;
92  int priority;
93  struct _vlib_node_fn_registration *next_registration;
94  char *name;
96 
97 typedef struct _vlib_node_registration
98 {
99  /* Vector processing function for this node. */
100  vlib_node_function_t *function;
101 
102  /* Node function candidate registration with priority */
103  vlib_node_fn_registration_t *node_fn_registrations;
104 
105  /* Node name. */
106  char *name;
107 
108  /* Name of sibling (if applicable). */
109  char *sibling_of;
110 
111  /* Node index filled in by registration. */
112  u32 index;
113 
114  /* Type of this node. */
115  vlib_node_type_t type;
116 
117  /* Error strings indexed by error code for this node. */
118  char **error_strings;
119 
120  /* Buffer format/unformat for this node. */
121  format_function_t *format_buffer;
122  unformat_function_t *unformat_buffer;
123 
124  /* Trace format/unformat for this node. */
125  format_function_t *format_trace;
126  unformat_function_t *unformat_trace;
127 
128  /* Function to validate incoming frames. */
129  u8 *(*validate_frame) (struct vlib_main_t * vm,
130  struct vlib_node_runtime_t *,
131  struct vlib_frame_t * f);
132 
133  /* Per-node runtime data. */
134  void *runtime_data;
135 
136  /* Process stack size. */
137  u16 process_log2_n_stack_bytes;
138 
139  /* Number of bytes of per-node run time data. */
140  u8 runtime_data_bytes;
141 
142  /* State for input nodes. */
143  u8 state;
144 
145  /* Node flags. */
146  u16 flags;
147 
148  /* protocol at b->data[b->current_data] upon entry to the dispatch fn */
149  u8 protocol_hint;
150 
151  /* Size of scalar and vector arguments in bytes. */
153 
154  /* Number of error codes used by this node. */
155  u16 n_errors;
156 
157  /* Number of next node names that follow. */
158  u16 n_next_nodes;
159 
160  /* Constructor link-list, don't ask... */
161  struct _vlib_node_registration *next_registration;
162 
163  /* Names of next nodes which this node feeds into. */
164  char *next_nodes[];
165 
167 
168 #ifndef CLIB_MARCH_VARIANT
169 #define VLIB_REGISTER_NODE(x,...) \
170  __VA_ARGS__ vlib_node_registration_t x; \
171 static void __vlib_add_node_registration_##x (void) \
172  __attribute__((__constructor__)) ; \
173 static void __vlib_add_node_registration_##x (void) \
174 { \
175  vlib_main_t * vm = vlib_get_main(); \
176  x.next_registration = vm->node_main.node_registrations; \
177  vm->node_main.node_registrations = &x; \
178 } \
179 static void __vlib_rm_node_registration_##x (void) \
180  __attribute__((__destructor__)) ; \
181 static void __vlib_rm_node_registration_##x (void) \
182 { \
183  vlib_main_t * vm = vlib_get_main(); \
184  VLIB_REMOVE_FROM_LINKED_LIST (vm->node_main.node_registrations, \
185  &x, next_registration); \
186 } \
187 __VA_ARGS__ vlib_node_registration_t x
188 #else
189 #define VLIB_REGISTER_NODE(x,...) \
190 static __clib_unused vlib_node_registration_t __clib_unused_##x
191 #endif
192 
193 #ifndef CLIB_MARCH_VARIANT
194 #define CLIB_MARCH_VARIANT_STR "default"
195 #else
196 #define _CLIB_MARCH_VARIANT_STR(s) __CLIB_MARCH_VARIANT_STR(s)
197 #define __CLIB_MARCH_VARIANT_STR(s) #s
198 #define CLIB_MARCH_VARIANT_STR _CLIB_MARCH_VARIANT_STR(CLIB_MARCH_VARIANT)
199 #endif
200 
201 #define VLIB_NODE_FN(node) \
202 uword CLIB_MARCH_SFX (node##_fn)(); \
203 static vlib_node_fn_registration_t \
204  CLIB_MARCH_SFX(node##_fn_registration) = \
205  { .function = &CLIB_MARCH_SFX (node##_fn), }; \
206  \
207 static void __clib_constructor \
208 CLIB_MARCH_SFX (node##_multiarch_register) (void) \
209 { \
210  extern vlib_node_registration_t node; \
211  vlib_node_fn_registration_t *r; \
212  r = & CLIB_MARCH_SFX (node##_fn_registration); \
213  r->priority = CLIB_MARCH_FN_PRIORITY(); \
214  r->name = CLIB_MARCH_VARIANT_STR; \
215  r->next_registration = node.node_fn_registrations; \
216  node.node_fn_registrations = r; \
217 } \
218 uword CLIB_CPU_OPTIMIZED CLIB_MARCH_SFX (node##_fn)
219 
220 #if CLIB_DEBUG > 0
221 #define VLIB_NODE_FUNCTION_CLONE_TEMPLATE(arch, fn)
222 #define VLIB_NODE_FUNCTION_MULTIARCH_CLONE(fn)
223 #define VLIB_NODE_FUNCTION_MULTIARCH(node, fn)
224 #else
225 #define VLIB_NODE_FUNCTION_CLONE_TEMPLATE(arch, fn, tgt) \
226  uword \
227  __attribute__ ((flatten)) \
228  __attribute__ ((target (tgt))) \
229  CLIB_CPU_OPTIMIZED \
230  fn ## _ ## arch ( struct vlib_main_t * vm, \
231  struct vlib_node_runtime_t * node, \
232  struct vlib_frame_t * frame) \
233  { return fn (vm, node, frame); }
234 
235 #define VLIB_NODE_FUNCTION_MULTIARCH_CLONE(fn) \
236  foreach_march_variant(VLIB_NODE_FUNCTION_CLONE_TEMPLATE, fn)
237 
238 #define VLIB_NODE_FUNCTION_MULTIARCH(node, fn) \
239  VLIB_NODE_FUNCTION_MULTIARCH_CLONE(fn) \
240  CLIB_MULTIARCH_SELECT_FN(fn, static inline) \
241  static void __attribute__((__constructor__)) \
242  __vlib_node_function_multiarch_select_##node (void) \
243  { node.function = fn ## _multiarch_select(); }
244 #endif
245 
248 {
249  c =
251  c->n_next_nodes * sizeof (c->next_nodes[0]));
252  return c;
253 }
254 
255 typedef struct
256 {
257  /* Total calls, clock ticks and vector elements processed for this node. */
258  u64 calls, vectors, clocks, suspends;
264 
265 #define foreach_vlib_node_state \
266  /* Input node is called each iteration of main loop. \
267  This is the default (zero). */ \
268  _ (POLLING) \
269  /* Input node is called when device signals an interrupt. */ \
270  _ (INTERRUPT) \
271  /* Input node is never called. */ \
272  _ (DISABLED)
273 
274 typedef enum
275 {
276 #define _(f) VLIB_NODE_STATE_##f,
278 #undef _
281 
282 typedef struct vlib_node_t
283 {
284  /* Vector processing function for this node. */
286 
287  /* Node name. */
289 
290  /* Node name index in elog string table. */
292 
293  /* Total statistics for this node. */
295 
296  /* Saved values as of last clear (or zero if never cleared).
297  Current values are always stats_total - stats_last_clear. */
299 
300  /* Type of this node. */
301  vlib_node_type_t type;
302 
303  /* Node index. */
305 
306  /* Index of corresponding node runtime. */
308 
309  /* Runtime data for this node. */
311 
312  /* Node flags. */
314 
315  /* Processing function keeps frame. Tells node dispatching code not
316  to free frame after dispatch is done. */
317 #define VLIB_NODE_FLAG_FRAME_NO_FREE_AFTER_DISPATCH (1 << 0)
318 
319  /* Node counts as output/drop/punt node for stats purposes. */
320 #define VLIB_NODE_FLAG_IS_OUTPUT (1 << 1)
321 #define VLIB_NODE_FLAG_IS_DROP (1 << 2)
322 #define VLIB_NODE_FLAG_IS_PUNT (1 << 3)
323 #define VLIB_NODE_FLAG_IS_HANDOFF (1 << 4)
324 
325  /* Set if current node runtime has traced vectors. */
326 #define VLIB_NODE_FLAG_TRACE (1 << 5)
327 
328 #define VLIB_NODE_FLAG_SWITCH_FROM_INTERRUPT_TO_POLLING_MODE (1 << 6)
329 #define VLIB_NODE_FLAG_SWITCH_FROM_POLLING_TO_INTERRUPT_MODE (1 << 7)
330 
331  /* State for input nodes. */
333 
334  /* Number of bytes of run time data. */
336 
337  /* protocol at b->data[b->current_data] upon entry to the dispatch fn */
339 
340  /* Number of error codes used by this node. */
342 
343  /* Size of scalar and vector arguments in bytes. */
344  u16 scalar_size, vector_size;
345 
346  /* Handle/index in error heap for this node. */
349 
350  /* Error strings indexed by error code for this node. */
352 
353  /* Vector of next node names.
354  Only used before next_nodes array is initialized. */
356 
357  /* Next node indices for this node. */
359 
360  /* Name of node that we are sibling of. */
361  char *sibling_of;
362 
363  /* Bitmap of all of this node's siblings. */
365 
366  /* Total number of vectors sent to each next node. */
368 
369  /* Hash table mapping next node index into slot in
370  next_nodes vector. Quickly determines whether this node
371  is connected to given next node and, if so, with which slot. */
373 
374  /* Bitmap of node indices which feed this node. */
376 
377  /* Node/next-index which own enqueue rights with to this node. */
378  u32 owner_node_index, owner_next_index;
379 
380  /* Buffer format/unformat for this node. */
383 
384  /* Trace buffer format/unformat for this node. */
386 
387  /* Function to validate incoming frames. */
388  u8 *(*validate_frame) (struct vlib_main_t * vm,
389  struct vlib_node_runtime_t *,
390  struct vlib_frame_t * f);
391  /* for pretty-printing, not typically valid */
393 
394  /* Node function candidate registration with priority */
396 } vlib_node_t;
397 
398 #define VLIB_INVALID_NODE_INDEX ((u32) ~0)
399 
400 /* Max number of vector elements to process at once per node. */
401 #define VLIB_FRAME_SIZE 256
402 #define VLIB_FRAME_ALIGN CLIB_CACHE_LINE_BYTES
403 
404 /* Calling frame (think stack frame) for a node. */
405 typedef struct vlib_frame_t
406 {
407  /* Frame flags. */
409 
410  /* User flags. Used for sending hints to the next node. */
412 
413  /* Number of scalar bytes in arguments. */
415 
416  /* Number of bytes per vector argument. */
418 
419  /* Number of vector elements currently in frame. */
421 
422  /* Scalar and vector arguments to next node. */
423  u8 arguments[0];
424 } vlib_frame_t;
425 
426 typedef struct
427 {
428  /* Frame index. */
430 
431  /* Node runtime for this next. */
433 
434  /* Next frame flags. */
436 
437  /* Reflects node frame-used flag for this next. */
438 #define VLIB_FRAME_NO_FREE_AFTER_DISPATCH \
439  VLIB_NODE_FLAG_FRAME_NO_FREE_AFTER_DISPATCH
440 
441  /* Don't append this frame */
442 #define VLIB_FRAME_NO_APPEND (1 << 14)
443 
444  /* This next frame owns enqueue to node
445  corresponding to node_runtime_index. */
446 #define VLIB_FRAME_OWNER (1 << 15)
447 
448  /* Set when frame has been allocated for this next. */
449 #define VLIB_FRAME_IS_ALLOCATED VLIB_NODE_FLAG_IS_OUTPUT
450 
451  /* Set when frame has been added to pending vector. */
452 #define VLIB_FRAME_PENDING VLIB_NODE_FLAG_IS_DROP
453 
454  /* Set when frame is to be freed after dispatch. */
455 #define VLIB_FRAME_FREE_AFTER_DISPATCH VLIB_NODE_FLAG_IS_PUNT
456 
457  /* Set when frame has traced packets. */
458 #define VLIB_FRAME_TRACE VLIB_NODE_FLAG_TRACE
459 
460  /* Number of vectors enqueue to this next since last overflow. */
463 
464 always_inline void
466 {
467  clib_memset (nf, 0, sizeof (nf[0]));
468  nf->frame_index = ~0;
469  nf->node_runtime_index = ~0;
470 }
471 
472 /* A frame pending dispatch by main loop. */
473 typedef struct
474 {
475  /* Node and runtime for this frame. */
477 
478  /* Frame index (in the heap). */
480 
481  /* Start of next frames for this node. */
483 
484  /* Special value for next_frame_index when there is no next frame. */
485 #define VLIB_PENDING_FRAME_NO_NEXT_FRAME ((u32) ~0)
487 
488 typedef struct vlib_node_runtime_t
489 {
490  CLIB_CACHE_LINE_ALIGN_MARK (cacheline0); /**< cacheline mark */
491 
492  vlib_node_function_t *function; /**< Node function to call. */
493 
494  vlib_error_t *errors; /**< Vector of errors for this node. */
495 
496 #if __SIZEOF_POINTER__ == 4
497  u8 pad[8];
498 #endif
499 
500  u32 clocks_since_last_overflow; /**< Number of clock cycles. */
501 
502  u32 max_clock; /**< Maximum clock cycle for an
503  invocation. */
504 
505  u32 max_clock_n; /**< Number of vectors in the recorded
506  max_clock. */
507 
508  u32 calls_since_last_overflow; /**< Number of calls. */
509 
510  u32 vectors_since_last_overflow; /**< Number of vector elements
511  processed by this node. */
512 
513  u32 perf_counter_ticks_since_last_overflow; /**< Perf counter ticks */
514  u32 perf_counter_vectors_since_last_overflow; /**< Perf counter vectors */
515 
516  u32 next_frame_index; /**< Start of next frames for this
517  node. */
518 
519  u32 node_index; /**< Node index. */
520 
521  u32 input_main_loops_per_call; /**< For input nodes: decremented
522  on each main loop interation until
523  it reaches zero and function is
524  called. Allows some input nodes to
525  be called more than others. */
526 
527  u32 main_loop_count_last_dispatch; /**< Saved main loop counter of last
528  dispatch of this node. */
529 
530  u32 main_loop_vector_stats[2];
531 
532  u16 flags; /**< Copy of main node flags. */
533 
534  u16 state; /**< Input node state. */
535 
537 
538  u16 cached_next_index; /**< Next frame index that vector
539  arguments were last enqueued to
540  last time this node ran. Set to
541  zero before first run of this
542  node. */
543 
544  u16 thread_index; /**< thread this node runs on */
545 
546  u8 runtime_data[0]; /**< Function dependent
547  node-runtime data. This data is
548  thread local, and it is not
549  cloned from main thread. It needs
550  to be initialized for each thread
551  before it is used unless
552  runtime_data template exists in
553  vlib_node_t. */
554 }
556 
557 #define VLIB_NODE_RUNTIME_DATA_SIZE (sizeof (vlib_node_runtime_t) - STRUCT_OFFSET_OF (vlib_node_runtime_t, runtime_data))
558 
559 typedef struct
560 {
561  /* Number of allocated frames for this scalar/vector size. */
563 
564  /* Vector of free frame indices for this scalar/vector size. */
567 
568 typedef struct
569 {
570  /* Users opaque value for event type. */
573 
574 typedef struct
575 {
576  /* Node runtime for this process. */
578 
579  /* Where to longjmp when process is done. */
581 
582 #define VLIB_PROCESS_RETURN_LONGJMP_RETURN ((uword) ~0 - 0)
583 #define VLIB_PROCESS_RETURN_LONGJMP_SUSPEND ((uword) ~0 - 1)
584 
585  /* Where to longjmp to resume node after suspend. */
587 #define VLIB_PROCESS_RESUME_LONGJMP_SUSPEND 0
588 #define VLIB_PROCESS_RESUME_LONGJMP_RESUME 1
589 
591 #define VLIB_PROCESS_IS_SUSPENDED_WAITING_FOR_CLOCK (1 << 0)
592 #define VLIB_PROCESS_IS_SUSPENDED_WAITING_FOR_EVENT (1 << 1)
593  /* Set to indicate that this process has been added to resume vector. */
594 #define VLIB_PROCESS_RESUME_PENDING (1 << 2)
595 
596  /* Process function is currently running. */
597 #define VLIB_PROCESS_IS_RUNNING (1 << 3)
598 
599  /* Size of process stack. */
601 
603 
604  /* Number of times this process was suspended. */
606 
607  /* Vectors of pending event data indexed by event type index. */
609 
610  /* Bitmap of event type-indices with non-empty vectors. */
612 
613  /* Bitmap of event type-indices which are one time events. */
615 
616  /* Type is opaque pointer -- typically a pointer to an event handler
617  function. Hash table to map opaque to a type index. */
619 
620  /* Pool of currently valid event types. */
622 
623  /*
624  * When suspending saves clock time (10us ticks) when process
625  * is to be resumed.
626  */
628 
629  /* Handle from timer code, to cancel an unexpired timer */
631 
632  /* Default output function and its argument for any CLI outputs
633  within the process. */
636 
637 #ifdef CLIB_UNIX
638  /* Pad to a multiple of the page size so we can mprotect process stacks */
639 #define PAGE_SIZE_MULTIPLE 0x1000
640 #define ALIGN_ON_MULTIPLE_PAGE_BOUNDARY_FOR_MPROTECT __attribute__ ((aligned (PAGE_SIZE_MULTIPLE)))
641 #else
642 #define ALIGN_ON_MULTIPLE_PAGE_BOUNDARY_FOR_MPROTECT
643 #endif
644 
645  /* Process stack. Starts here and extends 2^log2_n_stack_bytes
646  bytes. */
647 
648 #define VLIB_PROCESS_STACK_MAGIC (0xdead7ead)
650 } vlib_process_t __attribute__ ((aligned (CLIB_CACHE_LINE_BYTES)));
651 
652 #ifdef CLIB_UNIX
653  /* Ensure that the stack is aligned on the multiple of the page size */
654 typedef char
657  -
659  ==
660  0 ? 0 :
661  -1];
662 #endif
663 
664 typedef struct
665 {
667 
670 
671 typedef struct
672 {
674 
676 
677  /* n_data_elts * n_data_elt_bytes */
679 
680  /* Process node & event type to be used to signal event. */
682 
684 
685  union
686  {
687  u8 inline_event_data[64 - 3 * sizeof (u32) - 2 * sizeof (u16)];
688 
689  /* Vector of event data used only when data does not fit inline. */
691  };
692 }
694 
697 {
698  return d & 1;
699 }
700 
703 {
704  return 0 + 2 * i;
705 }
706 
709 {
710  return 1 + 2 * i;
711 }
712 
715 {
716  return d / 2;
717 }
718 
719 typedef struct
720 {
721  /* Public nodes. */
723 
724  /* Node index hashed by node name. */
726 
728 #define VLIB_NODE_MAIN_RUNTIME_STARTED (1 << 0)
729 
730  /* Nodes segregated by type for cache locality.
731  Does not apply to nodes of type VLIB_NODE_TYPE_INTERNAL. */
733 
734  /* Node runtime indices for input nodes with pending interrupts. */
737 
738  /* Input nodes are switched from/to interrupt to/from polling mode
739  when average vector length goes above/below polling/interrupt
740  thresholds. */
743 
744  /* Vector of next frames. */
746 
747  /* Vector of internal node's frames waiting to be called. */
749 
750  /* Timing wheel for scheduling time-based node dispatch. */
752 
754 
755  /* Opaque data vector added via timing_wheel_advance. */
757 
758  /* CPU time of next process to be ready on timing wheel. */
760 
761  /* Vector of process nodes.
762  One for each node of type VLIB_NODE_TYPE_PROCESS. */
764 
765  /* Current running process or ~0 if no process running. */
767 
768  /* Pool of pending process frames. */
770 
771  /* Vector of event data vectors pending recycle. */
773 
774  /* Current counts of nodes in each state. */
775  u32 input_node_counts_by_state[VLIB_N_NODE_STATE];
776 
777  /* Hash of (scalar_size,vector_size) to frame_sizes index. */
779 
780  /* Per-size frame allocation information. */
782 
783  /* Time of last node runtime stats clear. */
785 
786  /* Node registrations added by constructors */
789 
790 
791 #define FRAME_QUEUE_MAX_NELTS 32
792 typedef struct
793 {
794  CLIB_CACHE_LINE_ALIGN_MARK (cacheline0);
804 
805 typedef struct
806 {
809 
810 #endif /* included_vlib_node_h */
811 
812 /*
813  * fd.io coding-style-patch-verification: ON
814  *
815  * Local Variables:
816  * eval: (c-set-style "gnu")
817  * End:
818  */
uword * sibling_bitmap
Definition: node.h:364
u32 * next_nodes
Definition: node.h:358
uword output_function_arg
Definition: node.h:635
u8 * state_string
Definition: node.h:392
uword( unformat_function_t)(unformat_input_t *input, va_list *args)
Definition: format.h:232
u16 vector_size
Definition: node.h:344
u32 error_heap_index
Definition: node.h:348
u32 max_clock
Maximum clock cycle for an invocation.
Definition: node.h:502
u32 next_frame_index
Start of next frames for this node.
Definition: node.h:516
u8 pad[3]
log2 (size of the packing page block)
Definition: bihash_doc.h:61
#define CLIB_CACHE_LINE_ALIGN_MARK(mark)
Definition: cache.h:60
u32 flags
Definition: vhost_user.h:115
vlib_node_type_t
Definition: node.h:69
u32 interrupt_threshold_vector_length
Definition: node.h:742
vlib_process_t ** processes
Definition: node.h:763
vlib_node_runtime_t node_runtime
Definition: node.h:577
u32 n_suspends
Definition: node.h:605
unsigned long u64
Definition: types.h:89
u32 index
Definition: node.h:304
format_function_t * format_trace
Definition: node.h:385
void ** pending_event_data_by_type_index
Definition: node.h:608
u32 current_process_index
Definition: node.h:766
u16 flags
Definition: node.h:313
char ** error_strings
Definition: node.h:351
u16 vlib_error_t
Definition: error.h:44
u32 clocks_since_last_overflow
Number of clock cycles.
Definition: node.h:500
int i
#define PAGE_SIZE_MULTIPLE
Definition: node.h:639
clib_memset(h->entries, 0, sizeof(h->entries[0])*entries)
u8 *( format_function_t)(u8 *s, va_list *args)
Definition: format.h:48
clib_spinlock_t pending_interrupt_lock
Definition: node.h:736
void * runtime_data
Definition: node.h:310
vlib_error_t * errors
Vector of errors for this node.
Definition: node.h:494
struct vlib_frame_t vlib_frame_t
static vlib_node_registration_t * vlib_node_next_registered(vlib_node_registration_t *c)
Definition: node.h:247
unsigned char u8
Definition: types.h:56
double f64
Definition: types.h:142
u16 thread_index
thread this node runs on
Definition: node.h:544
u8 state
Definition: node.h:332
u32 * pending_interrupt_node_runtime_indices
Definition: node.h:735
u32 input_main_loops_per_call
For input nodes: decremented on each main loop interation until it reaches zero and function is calle...
Definition: node.h:521
vlib_node_stats_t stats_last_clear
Definition: node.h:298
u32 main_loop_count_last_dispatch
Saved main loop counter of last dispatch of this node.
Definition: node.h:527
void ** recycled_event_data_vectors
Definition: node.h:772
#define always_inline
Definition: clib.h:98
u16 log2_n_stack_bytes
Definition: node.h:600
vlib_node_t ** nodes
Definition: node.h:722
u32 vectors_since_last_overflow
Number of vector elements processed by this node.
Definition: node.h:510
char ** next_node_names
Definition: node.h:355
char * sibling_of
Definition: node.h:361
u64 perf_counter_vectors
Definition: node.h:262
u64 perf_counter_ticks
Definition: node.h:261
static uword vlib_timing_wheel_data_is_timed_event(u32 d)
Definition: node.h:696
struct _vlib_node_fn_registration vlib_node_fn_registration_t
vhost_vring_state_t state
Definition: vhost_user.h:120
unsigned int u32
Definition: types.h:88
u32 * free_frame_indices
Definition: node.h:565
u64 max_clock_n
Definition: node.h:260
u32 calls_since_last_overflow
Number of calls.
Definition: node.h:508
u32 next_frame_index
Definition: node.h:482
u32 error_heap_handle
Definition: node.h:347
vlib_node_stats_t stats_total
Definition: node.h:294
vlib_node_proto_hint_t
Definition: node.h:58
u16 state
Input node state.
Definition: node.h:534
u32 frame_index
Definition: node.h:429
vlib_signal_timed_event_data_t * signal_timed_event_data_pool
Definition: node.h:753
static void vlib_next_frame_init(vlib_next_frame_t *nf)
Definition: node.h:465
u16 frame_flags
Definition: node.h:408
f64 time_last_runtime_stats_clear
Definition: node.h:784
unsigned short u16
Definition: types.h:57
vlib_node_registration_t * node_registrations
Definition: node.h:787
u32 n_alloc_frames
Definition: node.h:562
static uword vlib_timing_wheel_data_get_index(u32 d)
Definition: node.h:714
u32 polling_threshold_vector_length
Definition: node.h:741
u64 * n_vectors_by_next_node
Definition: node.h:367
u32 perf_counter_ticks_since_last_overflow
Perf counter ticks.
Definition: node.h:513
format_function_t * format_buffer
Definition: node.h:381
u8 protocol_hint
Definition: node.h:338
u32 node_index
Node index.
Definition: node.h:519
uword * frame_size_hash
Definition: node.h:778
u8 name[64]
Definition: memclnt.api:152
uword( vlib_node_function_t)(struct vlib_main_t *vm, struct vlib_node_runtime_t *node, struct vlib_frame_t *frame)
Definition: node.h:54
u8 * name
Definition: node.h:288
u32 owner_node_index
Definition: node.h:378
svmdb_client_t * c
u16 n_vectors
Definition: node.h:420
u32 runtime_index
Definition: node.h:307
vlib_main_t * vm
Definition: buffer.c:301
vlib_pending_frame_t * pending_frames
Definition: node.h:748
u32 node_runtime_index
Definition: node.h:476
unformat_function_t * unformat_buffer
Definition: node.h:382
u32 perf_counter_vectors_since_last_overflow
Perf counter vectors.
Definition: node.h:514
uword * node_by_name
Definition: node.h:725
u32 stack[0] ALIGN_ON_MULTIPLE_PAGE_BOUNDARY_FOR_MPROTECT
Definition: node.h:649
vlib_node_fn_registration_t * node_fn_registrations
Definition: node.h:395
uword * one_time_event_type_bitmap
Definition: node.h:614
signed int i32
Definition: types.h:77
#define clib_elf_section_data_next(a, extra)
Definition: elf_clib.h:57
u16 cached_next_index
Next frame index that vector arguments were last enqueued to last time this node ran.
Definition: node.h:538
struct vlib_node_runtime_t vlib_node_runtime_t
u16 flags
Definition: node.h:411
void( vlib_cli_output_function_t)(uword arg, u8 *buffer, uword buffer_bytes)
Definition: cli.h:131
uword * next_slot_by_node
Definition: node.h:372
size_t count
Definition: vapi.c:47
uword * prev_node_bitmap
Definition: node.h:375
#define foreach_vlib_node_state
Definition: node.h:265
struct _vlib_node_registration vlib_node_registration_t
vlib_process_event_type_t * event_type_pool
Definition: node.h:621
u32 * data_from_advancing_timing_wheel
Definition: node.h:756
vlib_pending_frame_t * suspended_process_frames
Definition: node.h:769
char assert_process_stack_must_be_aligned_exactly_to_page_size_multiple[(sizeof(vlib_process_t)-PAGE_SIZE_MULTIPLE)==0?0:-1]
Definition: node.h:661
u64 uword
Definition: types.h:112
u8 vector_size
Definition: node.h:417
vlib_next_frame_t * next_frames
Definition: node.h:745
static u32 vlib_timing_wheel_data_set_timed_event(u32 i)
Definition: node.h:708
u32 stop_timer_handle
Definition: node.h:630
uword * event_type_index_by_type_opaque
Definition: node.h:618
vlib_frame_size_t * frame_sizes
Definition: node.h:781
u64 resume_clock_interval
Definition: node.h:627
u16 flags
Definition: node.h:590
vlib_node_type_t type
Definition: node.h:301
u32 name_elog_string
Definition: node.h:291
vlib_node_state_t
Definition: node.h:274
u16 n_errors
Definition: node.h:341
u32 suspended_process_frame_index
Definition: node.h:602
clib_longjmp_t return_longjmp
Definition: node.h:580
u16 flags
Copy of main node flags.
Definition: node.h:532
u32 node_runtime_index
Definition: node.h:432
u8 scalar_size
Definition: node.h:414
vlib_cli_output_function_t * output_function
Definition: node.h:634
clib_longjmp_t resume_longjmp
Definition: node.h:586
#define CLIB_CACHE_LINE_BYTES
Definition: cache.h:59
static u32 vlib_timing_wheel_data_set_suspended_process(u32 i)
Definition: node.h:702
void * timing_wheel
Definition: node.h:751
u8 runtime_data_bytes
Definition: node.h:335
#define FRAME_QUEUE_MAX_NELTS
Definition: node.h:791
f64 time_next_process_ready
Definition: node.h:759
struct vlib_node_t vlib_node_t
u32 vectors_since_last_overflow
Definition: node.h:461
u32 max_clock_n
Number of vectors in the recorded max_clock.
Definition: node.h:505
uword * non_empty_event_type_bitmap
Definition: node.h:611