FD.io VPP  v21.06
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  clib_march_variant_type_t march_variant;
93  struct _vlib_node_fn_registration *next_registration;
95 
96 typedef struct _vlib_node_registration
97 {
98  /* Vector processing function for this node. */
99  vlib_node_function_t *function;
100 
101  /* Node function candidate registration with priority */
102  vlib_node_fn_registration_t *node_fn_registrations;
103 
104  /* Node name. */
105  char *name;
106 
107  /* Name of sibling (if applicable). */
108  char *sibling_of;
109 
110  /* Node index filled in by registration. */
111  u32 index;
112 
113  /* Type of this node. */
114  vlib_node_type_t type;
115 
116  /* Error strings indexed by error code for this node. */
117  char **error_strings;
118  vlib_error_desc_t *error_counters;
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_global_main_t *vgm = vlib_get_global_main (); \
176  x.next_registration = vgm->node_registrations; \
177  vgm->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_global_main_t *vgm = vlib_get_global_main (); \
184  VLIB_REMOVE_FROM_LINKED_LIST (vgm->node_registrations, &x, \
185  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 CLIB_MARCH_SFX ( \
205  node##_fn_registration) = { \
206  .function = &CLIB_MARCH_SFX (node##_fn), \
207  }; \
208  \
209  static void __clib_constructor CLIB_MARCH_SFX (node##_multiarch_register) ( \
210  void) \
211  { \
212  extern vlib_node_registration_t node; \
213  vlib_node_fn_registration_t *r; \
214  r = &CLIB_MARCH_SFX (node##_fn_registration); \
215  r->march_variant = CLIB_MARCH_SFX (CLIB_MARCH_VARIANT_TYPE); \
216  r->next_registration = node.node_fn_registrations; \
217  node.node_fn_registrations = r; \
218  } \
219  uword CLIB_MARCH_SFX (node##_fn)
220 
222 
223 typedef struct
224 {
225  /* Total calls, clock ticks and vector elements processed for this node. */
226  u64 calls, vectors, clocks, suspends;
230 
231 #define foreach_vlib_node_state \
232  /* Input node is called each iteration of main loop. \
233  This is the default (zero). */ \
234  _ (POLLING) \
235  /* Input node is called when device signals an interrupt. */ \
236  _ (INTERRUPT) \
237  /* Input node is never called. */ \
238  _ (DISABLED)
239 
240 typedef enum
241 {
242 #define _(f) VLIB_NODE_STATE_##f,
244 #undef _
247 
248 typedef struct vlib_node_t
249 {
250  /* Vector processing function for this node. */
252 
253  /* Node name. */
255 
256  /* Node name index in elog string table. */
258 
259  /* Total statistics for this node. */
261 
262  /* Saved values as of last clear (or zero if never cleared).
263  Current values are always stats_total - stats_last_clear. */
265 
266  /* Type of this node. */
267  vlib_node_type_t type;
268 
269  /* Node index. */
271 
272  /* Index of corresponding node runtime. */
274 
275  /* Runtime data for this node. */
277 
278  /* Node flags. */
280 
281  /* Processing function keeps frame. Tells node dispatching code not
282  to free frame after dispatch is done. */
283 #define VLIB_NODE_FLAG_FRAME_NO_FREE_AFTER_DISPATCH (1 << 0)
284 
285  /* Node counts as output/drop/punt node for stats purposes. */
286 #define VLIB_NODE_FLAG_IS_OUTPUT (1 << 1)
287 #define VLIB_NODE_FLAG_IS_DROP (1 << 2)
288 #define VLIB_NODE_FLAG_IS_PUNT (1 << 3)
289 #define VLIB_NODE_FLAG_IS_HANDOFF (1 << 4)
290 
291  /* Set if current node runtime has traced vectors. */
292 #define VLIB_NODE_FLAG_TRACE (1 << 5)
293 
294 #define VLIB_NODE_FLAG_SWITCH_FROM_INTERRUPT_TO_POLLING_MODE (1 << 6)
295 #define VLIB_NODE_FLAG_SWITCH_FROM_POLLING_TO_INTERRUPT_MODE (1 << 7)
296 #define VLIB_NODE_FLAG_TRACE_SUPPORTED (1 << 8)
297 #define VLIB_NODE_FLAG_ADAPTIVE_MODE (1 << 9)
298 
299  /* State for input nodes. */
301 
302  /* Number of bytes of run time data. */
304 
305  /* protocol at b->data[b->current_data] upon entry to the dispatch fn */
307 
308  /* Number of error codes used by this node. */
310 
311  /* Size of scalar and vector arguments in bytes. */
312  u16 scalar_size, vector_size;
313 
314  /* Handle/index in error heap for this node. */
317 
318  /* Counter structures indexed by counter code for this node. */
320 
321  /* Vector of next node names.
322  Only used before next_nodes array is initialized. */
324 
325  /* Next node indices for this node. */
327 
328  /* Name of node that we are sibling of. */
329  char *sibling_of;
330 
331  /* Bitmap of all of this node's siblings. */
333 
334  /* Total number of vectors sent to each next node. */
336 
337  /* Hash table mapping next node index into slot in
338  next_nodes vector. Quickly determines whether this node
339  is connected to given next node and, if so, with which slot. */
341 
342  /* Bitmap of node indices which feed this node. */
344 
345  /* Node/next-index which own enqueue rights with to this node. */
346  u32 owner_node_index, owner_next_index;
347 
348  /* Buffer format/unformat for this node. */
351 
352  /* Trace buffer format/unformat for this node. */
354 
355  /* Function to validate incoming frames. */
356  u8 *(*validate_frame) (struct vlib_main_t * vm,
357  struct vlib_node_runtime_t *,
358  struct vlib_frame_t * f);
359  /* for pretty-printing, not typically valid */
361 
362  /* Node function candidate registration with priority */
364 } vlib_node_t;
365 
366 #define VLIB_INVALID_NODE_INDEX ((u32) ~0)
367 
368 /* Max number of vector elements to process at once per node. */
369 #define VLIB_FRAME_SIZE 256
370 #define VLIB_FRAME_ALIGN CLIB_CACHE_LINE_BYTES
371 
372 /* Calling frame (think stack frame) for a node. */
373 typedef struct vlib_frame_t
374 {
375  /* Frame flags. */
377 
378  /* User flags. Used for sending hints to the next node. */
380 
381  /* Number of scalar bytes in arguments. */
383 
384  /* Number of bytes per vector argument. */
386 
387  /* Number of vector elements currently in frame. */
389 
390  /* Scalar and vector arguments to next node. */
391  u8 arguments[0];
392 } vlib_frame_t;
393 
394 typedef struct
395 {
396  /* Frame pointer. */
398 
399  /* Node runtime for this next. */
401 
402  /* Next frame flags. */
404 
405  /* Reflects node frame-used flag for this next. */
406 #define VLIB_FRAME_NO_FREE_AFTER_DISPATCH \
407  VLIB_NODE_FLAG_FRAME_NO_FREE_AFTER_DISPATCH
408 
409  /* Don't append this frame */
410 #define VLIB_FRAME_NO_APPEND (1 << 14)
411 
412  /* This next frame owns enqueue to node
413  corresponding to node_runtime_index. */
414 #define VLIB_FRAME_OWNER (1 << 15)
415 
416  /* Set when frame has been allocated for this next. */
417 #define VLIB_FRAME_IS_ALLOCATED VLIB_NODE_FLAG_IS_OUTPUT
418 
419  /* Set when frame has been added to pending vector. */
420 #define VLIB_FRAME_PENDING VLIB_NODE_FLAG_IS_DROP
421 
422  /* Set when frame is to be freed after dispatch. */
423 #define VLIB_FRAME_FREE_AFTER_DISPATCH VLIB_NODE_FLAG_IS_PUNT
424 
425  /* Set when frame has traced packets. */
426 #define VLIB_FRAME_TRACE VLIB_NODE_FLAG_TRACE
427 
428  /* Number of vectors enqueue to this next since last overflow. */
431 
432 always_inline void
434 {
435  clib_memset (nf, 0, sizeof (nf[0]));
436  nf->node_runtime_index = ~0;
437 }
438 
439 /* A frame pending dispatch by main loop. */
440 typedef struct
441 {
442  /* Frame index (in the heap). */
444 
445  /* Node and runtime for this frame. */
447 
448  /* Start of next frames for this node. */
450 
451  /* Special value for next_frame_index when there is no next frame. */
452 #define VLIB_PENDING_FRAME_NO_NEXT_FRAME ((u32) ~0)
454 
455 typedef struct vlib_node_runtime_t
456 {
457  CLIB_CACHE_LINE_ALIGN_MARK (cacheline0); /**< cacheline mark */
458 
459  vlib_node_function_t *function; /**< Node function to call. */
460 
461  vlib_error_t *errors; /**< Vector of errors for this node. */
462 
463  u32 clocks_since_last_overflow; /**< Number of clock cycles. */
464 
465  u32 max_clock; /**< Maximum clock cycle for an
466  invocation. */
467 
468  u32 max_clock_n; /**< Number of vectors in the recorded
469  max_clock. */
470 
471  u32 calls_since_last_overflow; /**< Number of calls. */
472 
473  u32 vectors_since_last_overflow; /**< Number of vector elements
474  processed by this node. */
475 
476  u32 next_frame_index; /**< Start of next frames for this
477  node. */
478 
479  u32 node_index; /**< Node index. */
480 
481  u32 input_main_loops_per_call; /**< For input nodes: decremented
482  on each main loop interation until
483  it reaches zero and function is
484  called. Allows some input nodes to
485  be called more than others. */
486 
487  u32 main_loop_count_last_dispatch; /**< Saved main loop counter of last
488  dispatch of this node. */
489 
490  u32 main_loop_vector_stats[2];
491 
492  u16 flags; /**< Copy of main node flags. */
493 
494  u16 state; /**< Input node state. */
495 
497 
498  u16 cached_next_index; /**< Next frame index that vector
499  arguments were last enqueued to
500  last time this node ran. Set to
501  zero before first run of this
502  node. */
503 
504  u16 thread_index; /**< thread this node runs on */
505 
506  u8 runtime_data[0]; /**< Function dependent
507  node-runtime data. This data is
508  thread local, and it is not
509  cloned from main thread. It needs
510  to be initialized for each thread
511  before it is used unless
512  runtime_data template exists in
513  vlib_node_t. */
514 }
516 
517 #define VLIB_NODE_RUNTIME_DATA_SIZE (sizeof (vlib_node_runtime_t) - STRUCT_OFFSET_OF (vlib_node_runtime_t, runtime_data))
518 
519 typedef struct
520 {
521  /* Number of allocated frames for this scalar/vector size. */
523 
524  /* Vector of free frames for this scalar/vector size. */
527 
528 typedef struct
529 {
530  /* Users opaque value for event type. */
533 
534 typedef struct
535 {
536  CLIB_CACHE_LINE_ALIGN_MARK (cacheline0);
537  /* Node runtime for this process. */
539 
540  /* Where to longjmp when process is done. */
542 
543 #define VLIB_PROCESS_RETURN_LONGJMP_RETURN ((uword) ~0 - 0)
544 #define VLIB_PROCESS_RETURN_LONGJMP_SUSPEND ((uword) ~0 - 1)
545 
546  /* Where to longjmp to resume node after suspend. */
548 #define VLIB_PROCESS_RESUME_LONGJMP_SUSPEND 0
549 #define VLIB_PROCESS_RESUME_LONGJMP_RESUME 1
550 
552 #define VLIB_PROCESS_IS_SUSPENDED_WAITING_FOR_CLOCK (1 << 0)
553 #define VLIB_PROCESS_IS_SUSPENDED_WAITING_FOR_EVENT (1 << 1)
554  /* Set to indicate that this process has been added to resume vector. */
555 #define VLIB_PROCESS_RESUME_PENDING (1 << 2)
556 
557  /* Process function is currently running. */
558 #define VLIB_PROCESS_IS_RUNNING (1 << 3)
559 
560  /* Size of process stack. */
562 
564 
565  /* Number of times this process was suspended. */
567 
568  /* Vectors of pending event data indexed by event type index. */
570 
571  /* Bitmap of event type-indices with non-empty vectors. */
573 
574  /* Bitmap of event type-indices which are one time events. */
576 
577  /* Type is opaque pointer -- typically a pointer to an event handler
578  function. Hash table to map opaque to a type index. */
580 
581  /* Pool of currently valid event types. */
583 
584  /*
585  * When suspending saves clock time (10us ticks) when process
586  * is to be resumed.
587  */
589 
590  /* Handle from timer code, to cancel an unexpired timer */
592 
593  /* Default output function and its argument for any CLI outputs
594  within the process. */
597 
598  /* Process stack */
599 #define VLIB_PROCESS_STACK_MAGIC (0xdead7ead)
602 
603 typedef struct
604 {
606 
609 
610 typedef struct
611 {
613 
615 
616  /* n_data_elts * n_data_elt_bytes */
618 
619  /* Process node & event type to be used to signal event. */
621 
623 
624  union
625  {
626  u8 inline_event_data[64 - 3 * sizeof (u32) - 2 * sizeof (u16)];
627 
628  /* Vector of event data used only when data does not fit inline. */
630  };
631 }
633 
636 {
637  return d & 1;
638 }
639 
642 {
643  return 0 + 2 * i;
644 }
645 
648 {
649  return 1 + 2 * i;
650 }
651 
654 {
655  return d / 2;
656 }
657 
658 typedef struct
659 {
661  int priority;
662  char *suffix;
663  char *desc;
665 
666 typedef struct
667 {
668  /* Public nodes. */
670 
671  /* Node index hashed by node name. */
673 
675 #define VLIB_NODE_MAIN_RUNTIME_STARTED (1 << 0)
676 
677  /* Nodes segregated by type for cache locality.
678  Does not apply to nodes of type VLIB_NODE_TYPE_INTERNAL. */
680 
681  /* Node runtime indices for input nodes with pending interrupts. */
682  void *interrupts;
684 
685  /* Input nodes are switched from/to interrupt to/from polling mode
686  when average vector length goes above/below polling/interrupt
687  thresholds. */
690 
691  /* Vector of next frames. */
693 
694  /* Vector of internal node's frames waiting to be called. */
696 
697  /* Timing wheel for scheduling time-based node dispatch. */
699 
701 
702  /* Opaque data vector added via timing_wheel_advance. */
704 
705  /* CPU time of next process to be ready on timing wheel. */
707 
708  /* Vector of process nodes.
709  One for each node of type VLIB_NODE_TYPE_PROCESS. */
711 
712  /* Current running process or ~0 if no process running. */
714 
715  /* Pool of pending process frames. */
717 
718  /* Vector of event data vectors pending recycle. */
720 
721  /* Current counts of nodes in each state. */
722  u32 input_node_counts_by_state[VLIB_N_NODE_STATE];
723 
724  /* Hash of (scalar_size,vector_size) to frame_sizes index. */
726 
727  /* Per-size frame allocation information. */
729 
730  /* Time of last node runtime stats clear. */
732 
733  /* Node index from error code */
735 
736  /* Node Function Variants */
738 
739  /* Node Function Default Variant Index */
741 
742  /* Node Function march Variant by Suffix Hash */
745 
747 
750 {
751  return nm->node_by_error[e];
752 }
753 
756 {
757  u32 node_index = nm->node_by_error[e];
758  vlib_node_t *n = nm->nodes[node_index];
759  u32 error_code = e - n->error_heap_index;
760  return error_code;
761 }
762 
763 #define FRAME_QUEUE_MAX_NELTS 64
764 typedef struct
765 {
766  CLIB_CACHE_LINE_ALIGN_MARK (cacheline0);
776 
777 typedef struct
778 {
781 
782 #endif /* included_vlib_node_h */
783 
784 /*
785  * fd.io coding-style-patch-verification: ON
786  *
787  * Local Variables:
788  * eval: (c-set-style "gnu")
789  * End:
790  */
uword * sibling_bitmap
Definition: node.h:332
u32 * next_nodes
Definition: node.h:326
uword output_function_arg
Definition: node.h:596
clib_march_variant_type_t
Definition: cpu.h:39
volatile u32 * pending_interrupts
Definition: node.h:683
u8 * state_string
Definition: node.h:360
u16 vector_size
Definition: node.h:312
u32 error_heap_index
Definition: node.h:316
u32 max_clock
Maximum clock cycle for an invocation.
Definition: node.h:465
u32 next_frame_index
Start of next frames for this node.
Definition: node.h:476
#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:689
vlib_process_t ** processes
Definition: node.h:710
vlib_node_fn_variant_t * variants
Definition: node.h:737
vl_api_wireguard_peer_flags_t flags
Definition: wireguard.api:105
vlib_node_runtime_t node_runtime
Definition: node.h:538
u32 n_suspends
Definition: node.h:566
unsigned long u64
Definition: types.h:89
clib_memset(h->entries, 0, sizeof(h->entries[0]) *entries)
u32 index
Definition: node.h:270
format_function_t * format_trace
Definition: node.h:353
void ** pending_event_data_by_type_index
Definition: node.h:569
u32 current_process_index
Definition: node.h:713
uword * node_fn_march_variant_by_suffix
Definition: node.h:743
u16 flags
Definition: node.h:279
vlib_main_t vlib_node_runtime_t vlib_frame_t * frame
Definition: nat44_ei.c:3048
u32 node_fn_default_march_variant
Definition: node.h:740
u32 clocks_since_last_overflow
Number of clock cycles.
Definition: node.h:463
string name[64]
Definition: fib.api:25
void * runtime_data
Definition: node.h:276
vlib_error_t * errors
Vector of errors for this node.
Definition: node.h:461
struct vlib_frame_t vlib_frame_t
unsigned char u8
Definition: types.h:56
double f64
Definition: types.h:142
u16 thread_index
thread this node runs on
Definition: node.h:504
u8 state
Definition: node.h:300
unsigned int u32
Definition: types.h:88
u8 *() format_function_t(u8 *s, va_list *args)
Definition: format.h:48
vlib_frame_t * f
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:481
vlib_node_stats_t stats_last_clear
Definition: node.h:264
u32 main_loop_count_last_dispatch
Saved main loop counter of last dispatch of this node.
Definition: node.h:487
void ** recycled_event_data_vectors
Definition: node.h:719
return frame n_vectors
u16 log2_n_stack_bytes
Definition: node.h:561
vlib_node_t ** nodes
Definition: node.h:669
u32 vectors_since_last_overflow
Number of vector elements processed by this node.
Definition: node.h:473
char ** next_node_names
Definition: node.h:323
char * sibling_of
Definition: node.h:329
u16 vlib_error_t
Definition: node.h:746
static uword vlib_timing_wheel_data_is_timed_event(u32 d)
Definition: node.h:635
struct _vlib_node_fn_registration vlib_node_fn_registration_t
unformat_function_t unformat_vlib_node_variant
Definition: node.h:221
u64 max_clock_n
Definition: node.h:228
vl_api_fib_path_type_t type
Definition: fib_types.api:123
u32 calls_since_last_overflow
Number of calls.
Definition: node.h:471
u32 next_frame_index
Definition: node.h:449
u32 error_heap_handle
Definition: node.h:315
vlib_node_stats_t stats_total
Definition: node.h:260
vlib_node_proto_hint_t
Definition: node.h:58
u16 state
Input node state.
Definition: node.h:494
vlib_signal_timed_event_data_t * signal_timed_event_data_pool
Definition: node.h:700
static void vlib_next_frame_init(vlib_next_frame_t *nf)
Definition: node.h:433
u16 frame_flags
Definition: node.h:376
f64 time_last_runtime_stats_clear
Definition: node.h:731
unsigned short u16
Definition: types.h:57
u32 n_alloc_frames
Definition: node.h:522
static uword vlib_timing_wheel_data_get_index(u32 d)
Definition: node.h:653
u32 * node_by_error
Definition: node.h:734
u32 polling_threshold_vector_length
Definition: node.h:688
u64 * n_vectors_by_next_node
Definition: node.h:335
vlib_main_t * vm
X-connect all packets from the HOST to the PHY.
Definition: nat44_ei.c:3047
format_function_t * format_buffer
Definition: node.h:349
u8 protocol_hint
Definition: node.h:306
vlib_frame_t * frame
Definition: node.h:443
u32 node_index
Node index.
Definition: node.h:479
uword() unformat_function_t(unformat_input_t *input, va_list *args)
Definition: format.h:225
uword * frame_size_hash
Definition: node.h:725
static u32 vlib_error_get_code(vlib_node_main_t *nm, vlib_error_t e)
Definition: node.h:755
u8 * name
Definition: node.h:254
u32 owner_node_index
Definition: node.h:346
u16 n_vectors
Definition: node.h:388
u32 runtime_index
Definition: node.h:273
vlib_pending_frame_t * pending_frames
Definition: node.h:695
u32 node_runtime_index
Definition: node.h:446
sll srl srl sll sra u16x4 i
Definition: vector_sse42.h:261
u32 index
Definition: flow_types.api:221
unformat_function_t * unformat_buffer
Definition: node.h:350
uword * node_by_name
Definition: node.h:672
vlib_frame_t ** free_frames
Definition: node.h:525
vlib_node_fn_registration_t * node_fn_registrations
Definition: node.h:363
uword * one_time_event_type_bitmap
Definition: node.h:575
signed int i32
Definition: types.h:77
u16 cached_next_index
Next frame index that vector arguments were last enqueued to last time this node ran.
Definition: node.h:498
clib_march_variant_type_t index
Definition: node.h:660
struct vlib_node_runtime_t vlib_node_runtime_t
vlib_frame_t * frame
Definition: node.h:397
#define always_inline
Definition: rdma_mlx5dv.h:23
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
void * interrupts
Definition: node.h:682
u16 flags
Definition: node.h:379
uword * next_slot_by_node
Definition: node.h:340
uword * prev_node_bitmap
Definition: node.h:343
#define foreach_vlib_node_state
Definition: node.h:231
static u32 vlib_error_get_node(vlib_node_main_t *nm, vlib_error_t e)
Definition: node.h:749
struct _vlib_node_registration vlib_node_registration_t
vlib_process_event_type_t * event_type_pool
Definition: node.h:582
u32 * data_from_advancing_timing_wheel
Definition: node.h:703
vlib_main_t vlib_node_runtime_t * node
Definition: nat44_ei.c:3047
vlib_pending_frame_t * suspended_process_frames
Definition: node.h:716
u64 uword
Definition: types.h:112
u8 vector_size
Definition: node.h:385
vlib_next_frame_t * next_frames
Definition: node.h:692
static u32 vlib_timing_wheel_data_set_timed_event(u32 i)
Definition: node.h:647
node node_index
u32 stop_timer_handle
Definition: node.h:591
uword * event_type_index_by_type_opaque
Definition: node.h:579
vlib_frame_size_t * frame_sizes
Definition: node.h:728
u64 resume_clock_interval
Definition: node.h:588
u16 flags
Definition: node.h:551
vlib_node_type_t type
Definition: node.h:267
u32 name_elog_string
Definition: node.h:257
vlib_node_state_t
Definition: node.h:240
u16 n_errors
Definition: node.h:309
nat44_ei_main_t * nm
u32 * stack
Definition: node.h:600
u32 suspended_process_frame_index
Definition: node.h:563
vl_api_dhcp_client_state_t state
Definition: dhcp.api:201
vlib_error_desc_t * error_counters
Definition: node.h:319
clib_longjmp_t return_longjmp
Definition: node.h:541
u8 count
Definition: dhcp.api:208
u16 flags
Copy of main node flags.
Definition: node.h:492
u32 node_runtime_index
Definition: node.h:400
u8 scalar_size
Definition: node.h:382
void() vlib_cli_output_function_t(uword arg, u8 *buffer, uword buffer_bytes)
Definition: cli.h:134
vlib_cli_output_function_t * output_function
Definition: node.h:595
clib_longjmp_t resume_longjmp
Definition: node.h:547
static u32 vlib_timing_wheel_data_set_suspended_process(u32 i)
Definition: node.h:641
void * timing_wheel
Definition: node.h:698
u8 runtime_data_bytes
Definition: node.h:303
#define FRAME_QUEUE_MAX_NELTS
Definition: node.h:763
f64 time_next_process_ready
Definition: node.h:706
struct vlib_node_t vlib_node_t
u32 vectors_since_last_overflow
Definition: node.h:429
u32 max_clock_n
Number of vectors in the recorded max_clock.
Definition: node.h:468
uword * non_empty_event_type_bitmap
Definition: node.h:572