FD.io VPP  v18.04-17-g3a0d853
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 {
60  /* An internal node on the call graph (could be output). */
62 
63  /* Nodes which input data into the processing graph.
64  Input nodes are called for each iteration of main loop. */
66 
67  /* Nodes to be called before all input nodes.
68  Used, for example, to clean out driver TX rings before
69  processing input. */
71 
72  /* "Process" nodes which can be suspended and later resumed. */
74 
77 
78 typedef struct _vlib_node_registration
79 {
80  /* Vector processing function for this node. */
81  vlib_node_function_t *function;
82 
83  /* Node name. */
84  char *name;
85 
86  /* Name of sibling (if applicable). */
87  char *sibling_of;
88 
89  /* Node index filled in by registration. */
90  u32 index;
91 
92  /* Type of this node. */
93  vlib_node_type_t type;
94 
95  /* Error strings indexed by error code for this node. */
96  char **error_strings;
97 
98  /* Buffer format/unformat for this node. */
99  format_function_t *format_buffer;
100  unformat_function_t *unformat_buffer;
101 
102  /* Trace format/unformat for this node. */
103  format_function_t *format_trace;
104  unformat_function_t *unformat_trace;
105 
106  /* Function to validate incoming frames. */
107  u8 *(*validate_frame) (struct vlib_main_t * vm,
108  struct vlib_node_runtime_t *,
109  struct vlib_frame_t * f);
110 
111  /* Per-node runtime data. */
112  void *runtime_data;
113 
114  /* Process stack size. */
115  u16 process_log2_n_stack_bytes;
116 
117  /* Number of bytes of per-node run time data. */
118  u8 runtime_data_bytes;
119 
120  /* State for input nodes. */
121  u8 state;
122 
123  /* Node flags. */
124  u16 flags;
125 
126  /* Size of scalar and vector arguments in bytes. */
128 
129  /* Number of error codes used by this node. */
130  u16 n_errors;
131 
132  /* Number of next node names that follow. */
133  u16 n_next_nodes;
134 
135  /* Constructor link-list, don't ask... */
136  struct _vlib_node_registration *next_registration;
137 
138  /* Names of next nodes which this node feeds into. */
139  char *next_nodes[];
140 
142 
143 #define VLIB_REGISTER_NODE(x,...) \
144  __VA_ARGS__ vlib_node_registration_t x; \
145 static void __vlib_add_node_registration_##x (void) \
146  __attribute__((__constructor__)) ; \
147 static void __vlib_add_node_registration_##x (void) \
148 { \
149  vlib_main_t * vm = vlib_get_main(); \
150  x.next_registration = vm->node_main.node_registrations; \
151  vm->node_main.node_registrations = &x; \
152 } \
153 __VA_ARGS__ vlib_node_registration_t x
154 
155 #if CLIB_DEBUG > 0
156 #define VLIB_NODE_FUNCTION_CLONE_TEMPLATE(arch, fn)
157 #define VLIB_NODE_FUNCTION_MULTIARCH_CLONE(fn)
158 #define VLIB_NODE_FUNCTION_MULTIARCH(node, fn)
159 #else
160 #define VLIB_NODE_FUNCTION_CLONE_TEMPLATE(arch, fn, tgt) \
161  uword \
162  __attribute__ ((flatten)) \
163  __attribute__ ((target (tgt))) \
164  CLIB_CPU_OPTIMIZED \
165  fn ## _ ## arch ( struct vlib_main_t * vm, \
166  struct vlib_node_runtime_t * node, \
167  struct vlib_frame_t * frame) \
168  { return fn (vm, node, frame); }
169 
170 #define VLIB_NODE_FUNCTION_MULTIARCH_CLONE(fn) \
171  foreach_march_variant(VLIB_NODE_FUNCTION_CLONE_TEMPLATE, fn)
172 
173 #define VLIB_NODE_FUNCTION_MULTIARCH(node, fn) \
174  VLIB_NODE_FUNCTION_MULTIARCH_CLONE(fn) \
175  CLIB_MULTIARCH_SELECT_FN(fn, static inline) \
176  static void __attribute__((__constructor__)) \
177  __vlib_node_function_multiarch_select_##node (void) \
178  { node.function = fn ## _multiarch_select(); }
179 #endif
180 
183 {
184  c =
186  c->n_next_nodes * sizeof (c->next_nodes[0]));
187  return c;
188 }
189 
190 typedef struct
191 {
192  /* Total calls, clock ticks and vector elements processed for this node. */
193  u64 calls, vectors, clocks, suspends;
197 
198 #define foreach_vlib_node_state \
199  /* Input node is called each iteration of main loop. \
200  This is the default (zero). */ \
201  _ (POLLING) \
202  /* Input node is called when device signals an interrupt. */ \
203  _ (INTERRUPT) \
204  /* Input node is never called. */ \
205  _ (DISABLED)
206 
207 typedef enum
208 {
209 #define _(f) VLIB_NODE_STATE_##f,
211 #undef _
214 
215 typedef struct vlib_node_t
216 {
217  /* Vector processing function for this node. */
219 
220  /* Node name. */
222 
223  /* Node name index in elog string table. */
225 
226  /* Total statistics for this node. */
228 
229  /* Saved values as of last clear (or zero if never cleared).
230  Current values are always stats_total - stats_last_clear. */
232 
233  /* Type of this node. */
234  vlib_node_type_t type;
235 
236  /* Node index. */
238 
239  /* Index of corresponding node runtime. */
241 
242  /* Runtime data for this node. */
244 
245  /* Node flags. */
247 
248  /* Processing function keeps frame. Tells node dispatching code not
249  to free frame after dispatch is done. */
250 #define VLIB_NODE_FLAG_FRAME_NO_FREE_AFTER_DISPATCH (1 << 0)
251 
252  /* Node counts as output/drop/punt node for stats purposes. */
253 #define VLIB_NODE_FLAG_IS_OUTPUT (1 << 1)
254 #define VLIB_NODE_FLAG_IS_DROP (1 << 2)
255 #define VLIB_NODE_FLAG_IS_PUNT (1 << 3)
256 #define VLIB_NODE_FLAG_IS_HANDOFF (1 << 4)
257 
258  /* Set if current node runtime has traced vectors. */
259 #define VLIB_NODE_FLAG_TRACE (1 << 5)
260 
261 #define VLIB_NODE_FLAG_SWITCH_FROM_INTERRUPT_TO_POLLING_MODE (1 << 6)
262 #define VLIB_NODE_FLAG_SWITCH_FROM_POLLING_TO_INTERRUPT_MODE (1 << 7)
263 
264  /* State for input nodes. */
266 
267  /* Number of bytes of run time data. */
269 
270  /* Number of error codes used by this node. */
272 
273  /* Size of scalar and vector arguments in bytes. */
274  u16 scalar_size, vector_size;
275 
276  /* Handle/index in error heap for this node. */
279 
280  /* Error strings indexed by error code for this node. */
282 
283  /* Vector of next node names.
284  Only used before next_nodes array is initialized. */
286 
287  /* Next node indices for this node. */
289 
290  /* Name of node that we are sibling of. */
291  char *sibling_of;
292 
293  /* Bitmap of all of this node's siblings. */
295 
296  /* Total number of vectors sent to each next node. */
298 
299  /* Hash table mapping next node index into slot in
300  next_nodes vector. Quickly determines whether this node
301  is connected to given next node and, if so, with which slot. */
303 
304  /* Bitmap of node indices which feed this node. */
306 
307  /* Node/next-index which own enqueue rights with to this node. */
308  u32 owner_node_index, owner_next_index;
309 
310  /* Buffer format/unformat for this node. */
313 
314  /* Trace buffer format/unformat for this node. */
316 
317  /* Function to validate incoming frames. */
318  u8 *(*validate_frame) (struct vlib_main_t * vm,
319  struct vlib_node_runtime_t *,
320  struct vlib_frame_t * f);
321  /* for pretty-printing, not typically valid */
323 } vlib_node_t;
324 
325 #define VLIB_INVALID_NODE_INDEX ((u32) ~0)
326 
327 /* Max number of vector elements to process at once per node. */
328 #define VLIB_FRAME_SIZE 256
329 #define VLIB_FRAME_ALIGN CLIB_CACHE_LINE_BYTES
330 
331 /* Calling frame (think stack frame) for a node. */
332 typedef struct vlib_frame_t
333 {
334  /* Frame flags. */
336 
337  /* Number of scalar bytes in arguments. */
339 
340  /* Number of bytes per vector argument. */
342 
343  /* Number of vector elements currently in frame. */
345 
346  /* Scalar and vector arguments to next node. */
347  u8 arguments[0];
348 } vlib_frame_t;
349 
350 typedef struct
351 {
352  /* Frame index. */
354 
355  /* Node runtime for this next. */
357 
358  /* Next frame flags. */
360 
361  /* Reflects node frame-used flag for this next. */
362 #define VLIB_FRAME_NO_FREE_AFTER_DISPATCH \
363  VLIB_NODE_FLAG_FRAME_NO_FREE_AFTER_DISPATCH
364 
365  /* This next frame owns enqueue to node
366  corresponding to node_runtime_index. */
367 #define VLIB_FRAME_OWNER (1 << 15)
368 
369  /* Set when frame has been allocated for this next. */
370 #define VLIB_FRAME_IS_ALLOCATED VLIB_NODE_FLAG_IS_OUTPUT
371 
372  /* Set when frame has been added to pending vector. */
373 #define VLIB_FRAME_PENDING VLIB_NODE_FLAG_IS_DROP
374 
375  /* Set when frame is to be freed after dispatch. */
376 #define VLIB_FRAME_FREE_AFTER_DISPATCH VLIB_NODE_FLAG_IS_PUNT
377 
378  /* Set when frame has traced packets. */
379 #define VLIB_FRAME_TRACE VLIB_NODE_FLAG_TRACE
380 
381  /* Number of vectors enqueue to this next since last overflow. */
384 
385 always_inline void
387 {
388  memset (nf, 0, sizeof (nf[0]));
389  nf->frame_index = ~0;
390  nf->node_runtime_index = ~0;
391 }
392 
393 /* A frame pending dispatch by main loop. */
394 typedef struct
395 {
396  /* Node and runtime for this frame. */
398 
399  /* Frame index (in the heap). */
401 
402  /* Start of next frames for this node. */
404 
405  /* Special value for next_frame_index when there is no next frame. */
406 #define VLIB_PENDING_FRAME_NO_NEXT_FRAME ((u32) ~0)
408 
409 typedef struct vlib_node_runtime_t
410 {
411  CLIB_CACHE_LINE_ALIGN_MARK (cacheline0); /**< cacheline mark */
412 
413  vlib_node_function_t *function; /**< Node function to call. */
414 
415  vlib_error_t *errors; /**< Vector of errors for this node. */
416 
417 #if __SIZEOF_POINTER__ == 4
418  u8 pad[8];
419 #endif
420 
421  u32 clocks_since_last_overflow; /**< Number of clock cycles. */
422 
423  u32 max_clock; /**< Maximum clock cycle for an
424  invocation. */
425 
426  u32 max_clock_n; /**< Number of vectors in the recorded
427  max_clock. */
428 
429  u32 calls_since_last_overflow; /**< Number of calls. */
430 
431  u32 vectors_since_last_overflow; /**< Number of vector elements
432  processed by this node. */
433 
434  u32 next_frame_index; /**< Start of next frames for this
435  node. */
436 
437  u32 node_index; /**< Node index. */
438 
439  u32 input_main_loops_per_call; /**< For input nodes: decremented
440  on each main loop interation until
441  it reaches zero and function is
442  called. Allows some input nodes to
443  be called more than others. */
444 
445  u32 main_loop_count_last_dispatch; /**< Saved main loop counter of last
446  dispatch of this node. */
447 
448  u32 main_loop_vector_stats[2];
449 
450  u16 flags; /**< Copy of main node flags. */
451 
452  u16 state; /**< Input node state. */
453 
455 
456  u16 cached_next_index; /**< Next frame index that vector
457  arguments were last enqueued to
458  last time this node ran. Set to
459  zero before first run of this
460  node. */
461 
462  u16 thread_index; /**< thread this node runs on */
463 
464  u8 runtime_data[0]; /**< Function dependent
465  node-runtime data. This data is
466  thread local, and it is not
467  cloned from main thread. It needs
468  to be initialized for each thread
469  before it is used unless
470  runtime_data template exists in
471  vlib_node_t. */
472 }
474 
475 #define VLIB_NODE_RUNTIME_DATA_SIZE (sizeof (vlib_node_runtime_t) - STRUCT_OFFSET_OF (vlib_node_runtime_t, runtime_data))
476 
477 typedef struct
478 {
479  /* Number of allocated frames for this scalar/vector size. */
481 
482  /* Vector of free frame indices for this scalar/vector size. */
485 
486 typedef struct
487 {
488  /* Users opaque value for event type. */
491 
492 typedef struct
493 {
494  /* Node runtime for this process. */
496 
497  /* Where to longjmp when process is done. */
499 
500 #define VLIB_PROCESS_RETURN_LONGJMP_RETURN ((uword) ~0 - 0)
501 #define VLIB_PROCESS_RETURN_LONGJMP_SUSPEND ((uword) ~0 - 1)
502 
503  /* Where to longjmp to resume node after suspend. */
505 #define VLIB_PROCESS_RESUME_LONGJMP_SUSPEND 0
506 #define VLIB_PROCESS_RESUME_LONGJMP_RESUME 1
507 
509 #define VLIB_PROCESS_IS_SUSPENDED_WAITING_FOR_CLOCK (1 << 0)
510 #define VLIB_PROCESS_IS_SUSPENDED_WAITING_FOR_EVENT (1 << 1)
511  /* Set to indicate that this process has been added to resume vector. */
512 #define VLIB_PROCESS_RESUME_PENDING (1 << 2)
513 
514  /* Process function is currently running. */
515 #define VLIB_PROCESS_IS_RUNNING (1 << 3)
516 
517  /* Size of process stack. */
519 
521 
522  /* Number of times this process was suspended. */
524 
525  /* Vectors of pending event data indexed by event type index. */
527 
528  /* Bitmap of event type-indices with non-empty vectors. */
530 
531  /* Bitmap of event type-indices which are one time events. */
533 
534  /* Type is opaque pointer -- typically a pointer to an event handler
535  function. Hash table to map opaque to a type index. */
537 
538  /* Pool of currently valid event types. */
540 
541  /*
542  * When suspending saves clock time (10us ticks) when process
543  * is to be resumed.
544  */
546 
547  /* Handle from timer code, to cancel an unexpired timer */
549 
550  /* Default output function and its argument for any CLI outputs
551  within the process. */
554 
555 #ifdef CLIB_UNIX
556  /* Pad to a multiple of the page size so we can mprotect process stacks */
557 #define PAGE_SIZE_MULTIPLE 0x1000
558 #define ALIGN_ON_MULTIPLE_PAGE_BOUNDARY_FOR_MPROTECT __attribute__ ((aligned (PAGE_SIZE_MULTIPLE)))
559 #else
560 #define ALIGN_ON_MULTIPLE_PAGE_BOUNDARY_FOR_MPROTECT
561 #endif
562 
563  /* Process stack. Starts here and extends 2^log2_n_stack_bytes
564  bytes. */
565 
566 #define VLIB_PROCESS_STACK_MAGIC (0xdead7ead)
568 } vlib_process_t __attribute__ ((aligned (CLIB_CACHE_LINE_BYTES)));
569 
570 #ifdef CLIB_UNIX
571  /* Ensure that the stack is aligned on the multiple of the page size */
572 typedef char
575  -
577  ==
578  0 ? 0 :
579  -1];
580 #endif
581 
582 typedef struct
583 {
585 
588 
589 typedef struct
590 {
592 
594 
595  /* n_data_elts * n_data_elt_bytes */
597 
598  /* Process node & event type to be used to signal event. */
600 
602 
603  union
604  {
605  u8 inline_event_data[64 - 3 * sizeof (u32) - 2 * sizeof (u16)];
606 
607  /* Vector of event data used only when data does not fit inline. */
609  };
610 }
612 
615 {
616  return d & 1;
617 }
618 
621 {
622  return 0 + 2 * i;
623 }
624 
627 {
628  return 1 + 2 * i;
629 }
630 
633 {
634  return d / 2;
635 }
636 
637 typedef struct
638 {
639  /* Public nodes. */
641 
642  /* Node index hashed by node name. */
644 
646 #define VLIB_NODE_MAIN_RUNTIME_STARTED (1 << 0)
647 
648  /* Nodes segregated by type for cache locality.
649  Does not apply to nodes of type VLIB_NODE_TYPE_INTERNAL. */
651 
652  /* Node runtime indices for input nodes with pending interrupts. */
655 
656  /* Input nodes are switched from/to interrupt to/from polling mode
657  when average vector length goes above/below polling/interrupt
658  thresholds. */
661 
662  /* Vector of next frames. */
664 
665  /* Vector of internal node's frames waiting to be called. */
667 
668  /* Timing wheel for scheduling time-based node dispatch. */
670 
672 
673  /* Opaque data vector added via timing_wheel_advance. */
675 
676  /* CPU time of next process to be ready on timing wheel. */
678 
679  /* Vector of process nodes.
680  One for each node of type VLIB_NODE_TYPE_PROCESS. */
682 
683  /* Current running process or ~0 if no process running. */
685 
686  /* Pool of pending process frames. */
688 
689  /* Vector of event data vectors pending recycle. */
691 
692  /* Current counts of nodes in each state. */
693  u32 input_node_counts_by_state[VLIB_N_NODE_STATE];
694 
695  /* Hash of (scalar_size,vector_size) to frame_sizes index. */
697 
698  /* Per-size frame allocation information. */
700 
701  /* Time of last node runtime stats clear. */
703 
704  /* Node registrations added by constructors */
707 
708 
709 #define FRAME_QUEUE_MAX_NELTS 32
710 typedef struct
711 {
712  CLIB_CACHE_LINE_ALIGN_MARK (cacheline0);
722 
723 typedef struct
724 {
727 
728 #endif /* included_vlib_node_h */
729 
730 /*
731  * fd.io coding-style-patch-verification: ON
732  *
733  * Local Variables:
734  * eval: (c-set-style "gnu")
735  * End:
736  */
uword * sibling_bitmap
Definition: node.h:294
u32 * next_nodes
Definition: node.h:288
uword output_function_arg
Definition: node.h:553
u8 * state_string
Definition: node.h:322
uword( unformat_function_t)(unformat_input_t *input, va_list *args)
Definition: format.h:231
u16 vector_size
Definition: node.h:274
u32 error_heap_index
Definition: node.h:278
u32 max_clock
Maximum clock cycle for an invocation.
Definition: node.h:423
u32 next_frame_index
Start of next frames for this node.
Definition: node.h:434
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
vlib_node_type_t
Definition: node.h:58
u32 interrupt_threshold_vector_length
Definition: node.h:660
vlib_process_t ** processes
Definition: node.h:681
vlib_node_runtime_t node_runtime
Definition: node.h:495
u32 n_suspends
Definition: node.h:523
u32 index
Definition: node.h:237
format_function_t * format_trace
Definition: node.h:315
void ** pending_event_data_by_type_index
Definition: node.h:526
u32 current_process_index
Definition: node.h:684
u16 flags
Definition: node.h:246
char ** error_strings
Definition: node.h:281
u32 clocks_since_last_overflow
Number of clock cycles.
Definition: node.h:421
int i
#define PAGE_SIZE_MULTIPLE
Definition: node.h:557
u8 *( format_function_t)(u8 *s, va_list *args)
Definition: format.h:48
clib_spinlock_t pending_interrupt_lock
Definition: node.h:654
void * runtime_data
Definition: node.h:243
vlib_error_t * errors
Vector of errors for this node.
Definition: node.h:415
struct vlib_frame_t vlib_frame_t
static vlib_node_registration_t * vlib_node_next_registered(vlib_node_registration_t *c)
Definition: node.h:182
u16 thread_index
thread this node runs on
Definition: node.h:462
u8 state
Definition: node.h:265
u32 * pending_interrupt_node_runtime_indices
Definition: node.h:653
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:439
vlib_node_stats_t stats_last_clear
Definition: node.h:231
u32 main_loop_count_last_dispatch
Saved main loop counter of last dispatch of this node.
Definition: node.h:445
void ** recycled_event_data_vectors
Definition: node.h:690
#define always_inline
Definition: clib.h:92
u16 log2_n_stack_bytes
Definition: node.h:518
vlib_node_t ** nodes
Definition: node.h:640
u32 vectors_since_last_overflow
Number of vector elements processed by this node.
Definition: node.h:431
int i32
Definition: types.h:81
char ** next_node_names
Definition: node.h:285
char * sibling_of
Definition: node.h:291
static uword vlib_timing_wheel_data_is_timed_event(u32 d)
Definition: node.h:614
unsigned long u64
Definition: types.h:89
u32 * free_frame_indices
Definition: node.h:483
u64 max_clock_n
Definition: node.h:195
u32 calls_since_last_overflow
Number of calls.
Definition: node.h:429
u32 next_frame_index
Definition: node.h:403
u32 error_heap_handle
Definition: node.h:277
vlib_node_stats_t stats_total
Definition: node.h:227
u16 state
Input node state.
Definition: node.h:452
u32 frame_index
Definition: node.h:353
vlib_signal_timed_event_data_t * signal_timed_event_data_pool
Definition: node.h:671
static void vlib_next_frame_init(vlib_next_frame_t *nf)
Definition: node.h:386
f64 time_last_runtime_stats_clear
Definition: node.h:702
vlib_node_registration_t * node_registrations
Definition: node.h:705
u32 n_alloc_frames
Definition: node.h:480
static uword vlib_timing_wheel_data_get_index(u32 d)
Definition: node.h:632
u32 polling_threshold_vector_length
Definition: node.h:659
u64 * n_vectors_by_next_node
Definition: node.h:297
u32 vlib_error_t
Definition: error.h:44
format_function_t * format_buffer
Definition: node.h:311
u32 node_index
Node index.
Definition: node.h:437
uword * frame_size_hash
Definition: node.h:696
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:221
u32 owner_node_index
Definition: node.h:308
svmdb_client_t * c
u16 n_vectors
Definition: node.h:344
u32 runtime_index
Definition: node.h:240
vlib_main_t * vm
Definition: buffer.c:294
vlib_pending_frame_t * pending_frames
Definition: node.h:666
u32 node_runtime_index
Definition: node.h:397
unformat_function_t * unformat_buffer
Definition: node.h:312
uword * node_by_name
Definition: node.h:643
u32 stack[0] ALIGN_ON_MULTIPLE_PAGE_BOUNDARY_FOR_MPROTECT
Definition: node.h:567
uword * one_time_event_type_bitmap
Definition: node.h:532
#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:456
unsigned int u32
Definition: types.h:88
struct vlib_node_runtime_t vlib_node_runtime_t
u16 flags
Definition: node.h:335
void( vlib_cli_output_function_t)(uword arg, u8 *buffer, uword buffer_bytes)
Definition: cli.h:131
vhost_vring_state_t state
Definition: vhost-user.h:82
uword * next_slot_by_node
Definition: node.h:302
size_t count
Definition: vapi.c:42
uword * prev_node_bitmap
Definition: node.h:305
#define foreach_vlib_node_state
Definition: node.h:198
u64 uword
Definition: types.h:112
struct _vlib_node_registration vlib_node_registration_t
unsigned short u16
Definition: types.h:57
vlib_process_event_type_t * event_type_pool
Definition: node.h:539
u32 * data_from_advancing_timing_wheel
Definition: node.h:674
double f64
Definition: types.h:142
unsigned char u8
Definition: types.h:56
vlib_pending_frame_t * suspended_process_frames
Definition: node.h:687
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:579
u8 vector_size
Definition: node.h:341
vlib_next_frame_t * next_frames
Definition: node.h:663
static u32 vlib_timing_wheel_data_set_timed_event(u32 i)
Definition: node.h:626
u32 stop_timer_handle
Definition: node.h:548
uword * event_type_index_by_type_opaque
Definition: node.h:536
vlib_frame_size_t * frame_sizes
Definition: node.h:699
u64 resume_clock_interval
Definition: node.h:545
u16 flags
Definition: node.h:508
vlib_node_type_t type
Definition: node.h:234
u32 name_elog_string
Definition: node.h:224
vlib_node_state_t
Definition: node.h:207
u16 n_errors
Definition: node.h:271
u32 suspended_process_frame_index
Definition: node.h:520
clib_longjmp_t return_longjmp
Definition: node.h:498
u16 flags
Copy of main node flags.
Definition: node.h:450
u32 node_runtime_index
Definition: node.h:356
u8 scalar_size
Definition: node.h:338
vlib_cli_output_function_t * output_function
Definition: node.h:552
clib_longjmp_t resume_longjmp
Definition: node.h:504
u32 flags
Definition: vhost-user.h:77
#define CLIB_CACHE_LINE_BYTES
Definition: cache.h:59
static u32 vlib_timing_wheel_data_set_suspended_process(u32 i)
Definition: node.h:620
void * timing_wheel
Definition: node.h:669
u8 runtime_data_bytes
Definition: node.h:268
#define FRAME_QUEUE_MAX_NELTS
Definition: node.h:709
f64 time_next_process_ready
Definition: node.h:677
struct vlib_node_t vlib_node_t
u32 vectors_since_last_overflow
Definition: node.h:382
u32 max_clock_n
Number of vectors in the recorded max_clock.
Definition: node.h:426
uword * non_empty_event_type_bitmap
Definition: node.h:529