FD.io VPP  v20.09-64-g4f7b92f0a
Vector Packet Processing
node.h
Go to the documentation of this file.
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_ASSERT (sizeof(# __VA_ARGS__) != 7,"node " #x " must not be declared as static"); \
191 static __clib_unused vlib_node_registration_t __clib_unused_##x
192 #endif
193 
194 #ifndef CLIB_MARCH_VARIANT
195 #define CLIB_MARCH_VARIANT_STR "default"
196 #else
197 #define _CLIB_MARCH_VARIANT_STR(s) __CLIB_MARCH_VARIANT_STR(s)
198 #define __CLIB_MARCH_VARIANT_STR(s) #s
199 #define CLIB_MARCH_VARIANT_STR _CLIB_MARCH_VARIANT_STR(CLIB_MARCH_VARIANT)
200 #endif
201 
202 #define VLIB_NODE_FN(node) \
203 uword CLIB_MARCH_SFX (node##_fn)(); \
204 static vlib_node_fn_registration_t \
205  CLIB_MARCH_SFX(node##_fn_registration) = \
206  { .function = &CLIB_MARCH_SFX (node##_fn), }; \
207  \
208 static void __clib_constructor \
209 CLIB_MARCH_SFX (node##_multiarch_register) (void) \
210 { \
211  extern vlib_node_registration_t node; \
212  vlib_node_fn_registration_t *r; \
213  r = & CLIB_MARCH_SFX (node##_fn_registration); \
214  r->priority = CLIB_MARCH_FN_PRIORITY(); \
215  r->name = CLIB_MARCH_VARIANT_STR; \
216  r->next_registration = node.node_fn_registrations; \
217  node.node_fn_registrations = r; \
218 } \
219 uword CLIB_CPU_OPTIMIZED CLIB_MARCH_SFX (node##_fn)
220 
222 
225 {
226  c =
228  c->n_next_nodes * sizeof (c->next_nodes[0]));
229  return c;
230 }
231 
232 typedef struct
233 {
234  /* Total calls, clock ticks and vector elements processed for this node. */
235  u64 calls, vectors, clocks, suspends;
239 
240 #define foreach_vlib_node_state \
241  /* Input node is called each iteration of main loop. \
242  This is the default (zero). */ \
243  _ (POLLING) \
244  /* Input node is called when device signals an interrupt. */ \
245  _ (INTERRUPT) \
246  /* Input node is never called. */ \
247  _ (DISABLED)
248 
249 typedef enum
250 {
251 #define _(f) VLIB_NODE_STATE_##f,
253 #undef _
256 
257 typedef struct vlib_node_t
258 {
259  /* Vector processing function for this node. */
261 
262  /* Node name. */
264 
265  /* Node name index in elog string table. */
267 
268  /* Total statistics for this node. */
270 
271  /* Saved values as of last clear (or zero if never cleared).
272  Current values are always stats_total - stats_last_clear. */
274 
275  /* Type of this node. */
276  vlib_node_type_t type;
277 
278  /* Node index. */
280 
281  /* Index of corresponding node runtime. */
283 
284  /* Runtime data for this node. */
286 
287  /* Node flags. */
289 
290  /* Processing function keeps frame. Tells node dispatching code not
291  to free frame after dispatch is done. */
292 #define VLIB_NODE_FLAG_FRAME_NO_FREE_AFTER_DISPATCH (1 << 0)
293 
294  /* Node counts as output/drop/punt node for stats purposes. */
295 #define VLIB_NODE_FLAG_IS_OUTPUT (1 << 1)
296 #define VLIB_NODE_FLAG_IS_DROP (1 << 2)
297 #define VLIB_NODE_FLAG_IS_PUNT (1 << 3)
298 #define VLIB_NODE_FLAG_IS_HANDOFF (1 << 4)
299 
300  /* Set if current node runtime has traced vectors. */
301 #define VLIB_NODE_FLAG_TRACE (1 << 5)
302 
303 #define VLIB_NODE_FLAG_SWITCH_FROM_INTERRUPT_TO_POLLING_MODE (1 << 6)
304 #define VLIB_NODE_FLAG_SWITCH_FROM_POLLING_TO_INTERRUPT_MODE (1 << 7)
305 #define VLIB_NODE_FLAG_TRACE_SUPPORTED (1 << 8)
306 
307  /* State for input nodes. */
309 
310  /* Number of bytes of run time data. */
312 
313  /* protocol at b->data[b->current_data] upon entry to the dispatch fn */
315 
316  /* Number of error codes used by this node. */
318 
319  /* Size of scalar and vector arguments in bytes. */
320  u16 scalar_size, vector_size;
321 
322  /* Handle/index in error heap for this node. */
325 
326  /* Error strings indexed by error code for this node. */
328 
329  /* Vector of next node names.
330  Only used before next_nodes array is initialized. */
332 
333  /* Next node indices for this node. */
335 
336  /* Name of node that we are sibling of. */
337  char *sibling_of;
338 
339  /* Bitmap of all of this node's siblings. */
341 
342  /* Total number of vectors sent to each next node. */
344 
345  /* Hash table mapping next node index into slot in
346  next_nodes vector. Quickly determines whether this node
347  is connected to given next node and, if so, with which slot. */
349 
350  /* Bitmap of node indices which feed this node. */
352 
353  /* Node/next-index which own enqueue rights with to this node. */
354  u32 owner_node_index, owner_next_index;
355 
356  /* Buffer format/unformat for this node. */
359 
360  /* Trace buffer format/unformat for this node. */
362 
363  /* Function to validate incoming frames. */
364  u8 *(*validate_frame) (struct vlib_main_t * vm,
365  struct vlib_node_runtime_t *,
366  struct vlib_frame_t * f);
367  /* for pretty-printing, not typically valid */
369 
370  /* Node function candidate registration with priority */
372 } vlib_node_t;
373 
374 #define VLIB_INVALID_NODE_INDEX ((u32) ~0)
375 
376 /* Max number of vector elements to process at once per node. */
377 #define VLIB_FRAME_SIZE 256
378 #define VLIB_FRAME_ALIGN CLIB_CACHE_LINE_BYTES
379 
380 /* Calling frame (think stack frame) for a node. */
381 typedef struct vlib_frame_t
382 {
383  /* Frame flags. */
385 
386  /* User flags. Used for sending hints to the next node. */
388 
389  /* Number of scalar bytes in arguments. */
391 
392  /* Number of bytes per vector argument. */
394 
395  /* Number of vector elements currently in frame. */
397 
398  /* Scalar and vector arguments to next node. */
399  u8 arguments[0];
400 } vlib_frame_t;
401 
402 typedef struct
403 {
404  /* Frame pointer. */
406 
407  /* Node runtime for this next. */
409 
410  /* Next frame flags. */
412 
413  /* Reflects node frame-used flag for this next. */
414 #define VLIB_FRAME_NO_FREE_AFTER_DISPATCH \
415  VLIB_NODE_FLAG_FRAME_NO_FREE_AFTER_DISPATCH
416 
417  /* Don't append this frame */
418 #define VLIB_FRAME_NO_APPEND (1 << 14)
419 
420  /* This next frame owns enqueue to node
421  corresponding to node_runtime_index. */
422 #define VLIB_FRAME_OWNER (1 << 15)
423 
424  /* Set when frame has been allocated for this next. */
425 #define VLIB_FRAME_IS_ALLOCATED VLIB_NODE_FLAG_IS_OUTPUT
426 
427  /* Set when frame has been added to pending vector. */
428 #define VLIB_FRAME_PENDING VLIB_NODE_FLAG_IS_DROP
429 
430  /* Set when frame is to be freed after dispatch. */
431 #define VLIB_FRAME_FREE_AFTER_DISPATCH VLIB_NODE_FLAG_IS_PUNT
432 
433  /* Set when frame has traced packets. */
434 #define VLIB_FRAME_TRACE VLIB_NODE_FLAG_TRACE
435 
436  /* Number of vectors enqueue to this next since last overflow. */
439 
440 always_inline void
442 {
443  clib_memset (nf, 0, sizeof (nf[0]));
444  nf->node_runtime_index = ~0;
445 }
446 
447 /* A frame pending dispatch by main loop. */
448 typedef struct
449 {
450  /* Node and runtime for this frame. */
452 
453  /* Frame index (in the heap). */
455 
456  /* Start of next frames for this node. */
458 
459  /* Special value for next_frame_index when there is no next frame. */
460 #define VLIB_PENDING_FRAME_NO_NEXT_FRAME ((u32) ~0)
462 
463 typedef struct vlib_node_runtime_t
464 {
465  CLIB_CACHE_LINE_ALIGN_MARK (cacheline0); /**< cacheline mark */
466 
467  vlib_node_function_t *function; /**< Node function to call. */
468 
469  vlib_error_t *errors; /**< Vector of errors for this node. */
470 
471  u32 clocks_since_last_overflow; /**< Number of clock cycles. */
472 
473  u32 max_clock; /**< Maximum clock cycle for an
474  invocation. */
475 
476  u32 max_clock_n; /**< Number of vectors in the recorded
477  max_clock. */
478 
479  u32 calls_since_last_overflow; /**< Number of calls. */
480 
481  u32 vectors_since_last_overflow; /**< Number of vector elements
482  processed by this node. */
483 
484  u32 next_frame_index; /**< Start of next frames for this
485  node. */
486 
487  u32 node_index; /**< Node index. */
488 
489  u32 input_main_loops_per_call; /**< For input nodes: decremented
490  on each main loop interation until
491  it reaches zero and function is
492  called. Allows some input nodes to
493  be called more than others. */
494 
495  u32 main_loop_count_last_dispatch; /**< Saved main loop counter of last
496  dispatch of this node. */
497 
498  u32 main_loop_vector_stats[2];
499 
500  u16 flags; /**< Copy of main node flags. */
501 
502  u16 state; /**< Input node state. */
503 
504  u32 interrupt_data; /**< Data passed together with interrupt.
505  Valid only when state is
506  VLIB_NODE_STATE_INTERRUPT */
507 
509 
510  u16 cached_next_index; /**< Next frame index that vector
511  arguments were last enqueued to
512  last time this node ran. Set to
513  zero before first run of this
514  node. */
515 
516  u16 thread_index; /**< thread this node runs on */
517 
518  u8 runtime_data[0]; /**< Function dependent
519  node-runtime data. This data is
520  thread local, and it is not
521  cloned from main thread. It needs
522  to be initialized for each thread
523  before it is used unless
524  runtime_data template exists in
525  vlib_node_t. */
526 }
528 
529 #define VLIB_NODE_RUNTIME_DATA_SIZE (sizeof (vlib_node_runtime_t) - STRUCT_OFFSET_OF (vlib_node_runtime_t, runtime_data))
530 
531 typedef struct
532 {
533  /* Number of allocated frames for this scalar/vector size. */
535 
536  /* Vector of free frames for this scalar/vector size. */
539 
540 typedef struct
541 {
542  /* Users opaque value for event type. */
545 
546 typedef struct
547 {
548  CLIB_CACHE_LINE_ALIGN_MARK (cacheline0);
549  /* Node runtime for this process. */
551 
552  /* Where to longjmp when process is done. */
554 
555 #define VLIB_PROCESS_RETURN_LONGJMP_RETURN ((uword) ~0 - 0)
556 #define VLIB_PROCESS_RETURN_LONGJMP_SUSPEND ((uword) ~0 - 1)
557 
558  /* Where to longjmp to resume node after suspend. */
560 #define VLIB_PROCESS_RESUME_LONGJMP_SUSPEND 0
561 #define VLIB_PROCESS_RESUME_LONGJMP_RESUME 1
562 
564 #define VLIB_PROCESS_IS_SUSPENDED_WAITING_FOR_CLOCK (1 << 0)
565 #define VLIB_PROCESS_IS_SUSPENDED_WAITING_FOR_EVENT (1 << 1)
566  /* Set to indicate that this process has been added to resume vector. */
567 #define VLIB_PROCESS_RESUME_PENDING (1 << 2)
568 
569  /* Process function is currently running. */
570 #define VLIB_PROCESS_IS_RUNNING (1 << 3)
571 
572  /* Size of process stack. */
574 
576 
577  /* Number of times this process was suspended. */
579 
580  /* Vectors of pending event data indexed by event type index. */
582 
583  /* Bitmap of event type-indices with non-empty vectors. */
585 
586  /* Bitmap of event type-indices which are one time events. */
588 
589  /* Type is opaque pointer -- typically a pointer to an event handler
590  function. Hash table to map opaque to a type index. */
592 
593  /* Pool of currently valid event types. */
595 
596  /*
597  * When suspending saves clock time (10us ticks) when process
598  * is to be resumed.
599  */
601 
602  /* Handle from timer code, to cancel an unexpired timer */
604 
605  /* Default output function and its argument for any CLI outputs
606  within the process. */
609 
610  /* Process stack */
611 #define VLIB_PROCESS_STACK_MAGIC (0xdead7ead)
614 
615 typedef struct
616 {
618 
621 
622 typedef struct
623 {
625 
627 
628  /* n_data_elts * n_data_elt_bytes */
630 
631  /* Process node & event type to be used to signal event. */
633 
635 
636  union
637  {
638  u8 inline_event_data[64 - 3 * sizeof (u32) - 2 * sizeof (u16)];
639 
640  /* Vector of event data used only when data does not fit inline. */
642  };
643 }
645 
648 {
649  return d & 1;
650 }
651 
654 {
655  return 0 + 2 * i;
656 }
657 
660 {
661  return 1 + 2 * i;
662 }
663 
666 {
667  return d / 2;
668 }
669 
670 typedef struct
671 {
675 
676 typedef struct
677 {
678  /* Public nodes. */
680 
681  /* Node index hashed by node name. */
683 
685 #define VLIB_NODE_MAIN_RUNTIME_STARTED (1 << 0)
686 
687  /* Nodes segregated by type for cache locality.
688  Does not apply to nodes of type VLIB_NODE_TYPE_INTERNAL. */
690 
691  /* Node runtime indices for input nodes with pending interrupts. */
696 
697  /* Input nodes are switched from/to interrupt to/from polling mode
698  when average vector length goes above/below polling/interrupt
699  thresholds. */
702 
703  /* Vector of next frames. */
705 
706  /* Vector of internal node's frames waiting to be called. */
708 
709  /* Timing wheel for scheduling time-based node dispatch. */
711 
713 
714  /* Opaque data vector added via timing_wheel_advance. */
716 
717  /* CPU time of next process to be ready on timing wheel. */
719 
720  /* Vector of process nodes.
721  One for each node of type VLIB_NODE_TYPE_PROCESS. */
723 
724  /* Current running process or ~0 if no process running. */
726 
727  /* Pool of pending process frames. */
729 
730  /* Vector of event data vectors pending recycle. */
732 
733  /* Current counts of nodes in each state. */
734  u32 input_node_counts_by_state[VLIB_N_NODE_STATE];
735 
736  /* Hash of (scalar_size,vector_size) to frame_sizes index. */
738 
739  /* Per-size frame allocation information. */
741 
742  /* Time of last node runtime stats clear. */
744 
745  /* Node registrations added by constructors */
747 
748  /* Node index from error code */
751 
753 
755 vlib_error_get_node (vlib_node_main_t * nm, vlib_error_t e)
756 {
757  return nm->node_by_error[e];
758 }
759 
761 vlib_error_get_code (vlib_node_main_t * nm, vlib_error_t e)
762 {
763  u32 node_index = nm->node_by_error[e];
764  vlib_node_t *n = nm->nodes[node_index];
765  u32 error_code = e - n->error_heap_index;
766  return error_code;
767 }
768 
769 #define FRAME_QUEUE_MAX_NELTS 64
770 typedef struct
771 {
772  CLIB_CACHE_LINE_ALIGN_MARK (cacheline0);
782 
783 typedef struct
784 {
787 
788 #endif /* included_vlib_node_h */
789 
790 /*
791  * fd.io coding-style-patch-verification: ON
792  *
793  * Local Variables:
794  * eval: (c-set-style "gnu")
795  * End:
796  */
uword * sibling_bitmap
Definition: node.h:340
u32 * next_nodes
Definition: node.h:334
u8 count
Definition: dhcp.api:208
uword output_function_arg
Definition: node.h:608
u8 * state_string
Definition: node.h:368
u16 vector_size
Definition: node.h:320
volatile u32 * pending_remote_interrupts_notify
Definition: node.h:694
u32 error_heap_index
Definition: node.h:324
u32 max_clock
Maximum clock cycle for an invocation.
Definition: node.h:473
u32 next_frame_index
Start of next frames for this node.
Definition: node.h:484
#define CLIB_CACHE_LINE_ALIGN_MARK(mark)
Definition: cache.h:60
vlib_node_type_t
Definition: node.h:69
u32 interrupt_threshold_vector_length
Definition: node.h:701
vlib_process_t ** processes
Definition: node.h:722
vl_api_wireguard_peer_flags_t flags
Definition: wireguard.api:103
vlib_node_runtime_t node_runtime
Definition: node.h:550
u32 n_suspends
Definition: node.h:578
unsigned long u64
Definition: types.h:89
clib_memset(h->entries, 0, sizeof(h->entries[0]) *entries)
u32 index
Definition: node.h:279
format_function_t * format_trace
Definition: node.h:361
void ** pending_event_data_by_type_index
Definition: node.h:581
u32 current_process_index
Definition: node.h:725
u16 flags
Definition: node.h:288
char ** error_strings
Definition: node.h:327
u32 clocks_since_last_overflow
Number of clock cycles.
Definition: node.h:471
vlib_main_t * vm
Definition: in2out_ed.c:1582
clib_spinlock_t pending_interrupt_lock
Definition: node.h:695
void * runtime_data
Definition: node.h:285
vlib_error_t * errors
Vector of errors for this node.
Definition: node.h:469
struct vlib_frame_t vlib_frame_t
static vlib_node_registration_t * vlib_node_next_registered(vlib_node_registration_t *c)
Definition: node.h:224
unsigned char u8
Definition: types.h:56
double f64
Definition: types.h:142
u16 thread_index
thread this node runs on
Definition: node.h:516
u8 state
Definition: node.h:308
u8 *() format_function_t(u8 *s, va_list *args)
Definition: format.h:48
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:489
vlib_node_stats_t stats_last_clear
Definition: node.h:273
u32 main_loop_count_last_dispatch
Saved main loop counter of last dispatch of this node.
Definition: node.h:495
void ** recycled_event_data_vectors
Definition: node.h:731
u16 log2_n_stack_bytes
Definition: node.h:573
vlib_node_t ** nodes
Definition: node.h:679
u32 vectors_since_last_overflow
Number of vector elements processed by this node.
Definition: node.h:481
char ** next_node_names
Definition: node.h:331
char * sibling_of
Definition: node.h:337
u16 vlib_error_t
Definition: node.h:752
static uword vlib_timing_wheel_data_is_timed_event(u32 d)
Definition: node.h:647
struct _vlib_node_fn_registration vlib_node_fn_registration_t
vlib_node_interrupt_t * pending_remote_interrupts
Definition: node.h:693
unsigned int u32
Definition: types.h:88
i32 priority
Definition: ipsec.api:95
unformat_function_t unformat_vlib_node_variant
Definition: node.h:221
u64 max_clock_n
Definition: node.h:237
vl_api_fib_path_type_t type
Definition: fib_types.api:123
u32 calls_since_last_overflow
Number of calls.
Definition: node.h:479
u32 next_frame_index
Definition: node.h:457
u32 error_heap_handle
Definition: node.h:323
vlib_node_stats_t stats_total
Definition: node.h:269
vlib_node_proto_hint_t
Definition: node.h:58
u16 state
Input node state.
Definition: node.h:502
vlib_signal_timed_event_data_t * signal_timed_event_data_pool
Definition: node.h:712
static void vlib_next_frame_init(vlib_next_frame_t *nf)
Definition: node.h:441
u16 frame_flags
Definition: node.h:384
f64 time_last_runtime_stats_clear
Definition: node.h:743
unsigned short u16
Definition: types.h:57
vlib_node_registration_t * node_registrations
Definition: node.h:746
u32 n_alloc_frames
Definition: node.h:534
static uword vlib_timing_wheel_data_get_index(u32 d)
Definition: node.h:665
u32 * node_by_error
Definition: node.h:749
u32 polling_threshold_vector_length
Definition: node.h:700
u64 * n_vectors_by_next_node
Definition: node.h:343
#define always_inline
Definition: ipsec.h:28
format_function_t * format_buffer
Definition: node.h:357
u8 protocol_hint
Definition: node.h:314
vlib_frame_t * frame
Definition: node.h:454
u32 node_index
Node index.
Definition: node.h:487
uword() unformat_function_t(unformat_input_t *input, va_list *args)
Definition: format.h:233
uword * frame_size_hash
Definition: node.h:737
static u32 vlib_error_get_code(vlib_node_main_t *nm, vlib_error_t e)
Definition: node.h:761
u8 * name
Definition: node.h:263
u32 owner_node_index
Definition: node.h:354
svmdb_client_t * c
u16 n_vectors
Definition: node.h:396
u32 runtime_index
Definition: node.h:282
vlib_pending_frame_t * pending_frames
Definition: node.h:707
u32 node_runtime_index
Definition: node.h:451
sll srl srl sll sra u16x4 i
Definition: vector_sse42.h:317
unformat_function_t * unformat_buffer
Definition: node.h:358
uword * node_by_name
Definition: node.h:682
vlib_frame_t ** free_frames
Definition: node.h:537
vlib_node_fn_registration_t * node_fn_registrations
Definition: node.h:371
string name[64]
Definition: ip.api:44
vlib_main_t vlib_node_runtime_t * node
Definition: in2out_ed.c:1582
uword * one_time_event_type_bitmap
Definition: node.h:587
u32 node_runtime_index
Definition: node.h:672
vlib_node_interrupt_t * pending_local_interrupts
Definition: node.h:692
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:510
struct vlib_node_runtime_t vlib_node_runtime_t
vlib_frame_t * frame
Definition: node.h:405
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
u16 flags
Definition: node.h:387
uword * next_slot_by_node
Definition: node.h:348
uword * prev_node_bitmap
Definition: node.h:351
#define foreach_vlib_node_state
Definition: node.h:240
static u32 vlib_error_get_node(vlib_node_main_t *nm, vlib_error_t e)
Definition: node.h:755
struct _vlib_node_registration vlib_node_registration_t
vlib_process_event_type_t * event_type_pool
Definition: node.h:594
u32 * data_from_advancing_timing_wheel
Definition: node.h:715
vlib_pending_frame_t * suspended_process_frames
Definition: node.h:728
vlib_main_t vlib_node_runtime_t vlib_frame_t * frame
Definition: in2out_ed.c:1583
u64 uword
Definition: types.h:112
u8 vector_size
Definition: node.h:393
vlib_next_frame_t * next_frames
Definition: node.h:704
static u32 vlib_timing_wheel_data_set_timed_event(u32 i)
Definition: node.h:659
u32 index
Definition: flow_types.api:221
u32 interrupt_data
Data passed together with interrupt.
Definition: node.h:504
u32 stop_timer_handle
Definition: node.h:603
uword * event_type_index_by_type_opaque
Definition: node.h:591
vlib_frame_size_t * frame_sizes
Definition: node.h:740
u64 resume_clock_interval
Definition: node.h:600
u16 flags
Definition: node.h:563
vlib_node_type_t type
Definition: node.h:276
u32 name_elog_string
Definition: node.h:266
vlib_node_state_t
Definition: node.h:249
u16 n_errors
Definition: node.h:317
u32 * stack
Definition: node.h:612
u32 suspended_process_frame_index
Definition: node.h:575
vl_api_dhcp_client_state_t state
Definition: dhcp.api:201
clib_longjmp_t return_longjmp
Definition: node.h:553
u16 flags
Copy of main node flags.
Definition: node.h:500
u32 node_runtime_index
Definition: node.h:408
u8 scalar_size
Definition: node.h:390
void() vlib_cli_output_function_t(uword arg, u8 *buffer, uword buffer_bytes)
Definition: cli.h:133
vlib_cli_output_function_t * output_function
Definition: node.h:607
clib_longjmp_t resume_longjmp
Definition: node.h:559
static u32 vlib_timing_wheel_data_set_suspended_process(u32 i)
Definition: node.h:653
void * timing_wheel
Definition: node.h:710
u8 runtime_data_bytes
Definition: node.h:311
#define FRAME_QUEUE_MAX_NELTS
Definition: node.h:769
f64 time_next_process_ready
Definition: node.h:718
struct vlib_node_t vlib_node_t
u32 vectors_since_last_overflow
Definition: node.h:437
u32 max_clock_n
Number of vectors in the recorded max_clock.
Definition: node.h:476
uword * non_empty_event_type_bitmap
Definition: node.h:584