FD.io VPP  v19.04.4-rc0-5-ge88582fac
Vector Packet Processing
cli.c
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  * pg_cli.c: packet generator cli
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 #include <sys/stat.h>
41 
42 #include <vnet/vnet.h>
43 #include <vnet/pg/pg.h>
44 
45 #include <strings.h>
46 #include <vppinfra/pcap.h>
47 
48 
49 /* Root of all packet generator cli commands. */
50 /* *INDENT-OFF* */
51 VLIB_CLI_COMMAND (vlib_cli_pg_command, static) = {
52  .path = "packet-generator",
53  .short_help = "Packet generator commands",
54 };
55 /* *INDENT-ON* */
56 
57 void
58 pg_enable_disable (u32 stream_index, int is_enable)
59 {
60  pg_main_t *pg = &pg_main;
61  pg_stream_t *s;
62 
63  if (stream_index == ~0)
64  {
65  /* No stream specified: enable/disable all streams. */
66  /* *INDENT-OFF* */
67  pool_foreach (s, pg->streams, ({
68  pg_stream_enable_disable (pg, s, is_enable);
69  }));
70  /* *INDENT-ON* */
71  }
72  else
73  {
74  /* enable/disable specified stream. */
75  s = pool_elt_at_index (pg->streams, stream_index);
76  pg_stream_enable_disable (pg, s, is_enable);
77  }
78 }
79 
82 {
83  pg_main_t *pg = &pg_main;
84  pg_interface_t *pi;
85 
86  if (a->is_enabled == 1)
87  {
88  struct stat sb;
89  if (stat ((char *) a->pcap_file_name, &sb) != -1)
90  return clib_error_return (0, "Cannot create pcap file");
91  }
92 
95  clib_memset (&pi->pcap_main, 0, sizeof (pi->pcap_main));
96 
97  if (a->is_enabled == 0)
98  return 0;
99 
101  pi->pcap_main.file_name = (char *) pi->pcap_file_name;
103  pi->pcap_main.packet_type = PCAP_PACKET_TYPE_ethernet;
104 
105  return 0;
106 }
107 
108 static clib_error_t *
110  unformat_input_t * input, vlib_cli_command_t * cmd)
111 {
112  pg_main_t *pg = &pg_main;
113  int is_enable = cmd->function_arg != 0;
114  u32 stream_index = ~0;
115 
116  if (unformat (input, "%U", unformat_eof))
117  ;
118  else if (unformat (input, "%U", unformat_hash_vec_string,
119  pg->stream_index_by_name, &stream_index))
120  ;
121  else
122  return clib_error_create ("unknown input `%U'",
123  format_unformat_error, input);
124 
125  pg_enable_disable (stream_index, is_enable);
126 
127  return 0;
128 }
129 
130 /* *INDENT-OFF* */
131 VLIB_CLI_COMMAND (enable_streams_cli, static) = {
132  .path = "packet-generator enable-stream",
133  .short_help = "Enable packet generator streams",
134  .function = enable_disable_stream,
135  .function_arg = 1, /* is_enable */
136 };
137 /* *INDENT-ON* */
138 
139 /* *INDENT-OFF* */
140 VLIB_CLI_COMMAND (disable_streams_cli, static) = {
141  .path = "packet-generator disable-stream",
142  .short_help = "Disable packet generator streams",
143  .function = enable_disable_stream,
144  .function_arg = 0, /* is_enable */
145 };
146 /* *INDENT-ON* */
147 
148 static u8 *
149 format_pg_edit_group (u8 * s, va_list * va)
150 {
151  pg_edit_group_t *g = va_arg (*va, pg_edit_group_t *);
152 
153  s =
154  format (s, "hdr-size %d, offset %d, ", g->n_packet_bytes,
155  g->start_byte_offset);
156  if (g->edit_function)
157  {
158  u8 *function_name;
159  u8 *junk_after_name;
160  function_name = format (0, "%U%c", format_clib_elf_symbol_with_address,
161  g->edit_function, 0);
162  junk_after_name = function_name;
163  while (*junk_after_name && *junk_after_name != ' ')
164  junk_after_name++;
165  *junk_after_name = 0;
166  s = format (s, "edit-function %s, ", function_name);
167  vec_free (function_name);
168  }
169 
170  return s;
171 }
172 
173 static u8 *
174 format_pg_stream (u8 * s, va_list * va)
175 {
176  pg_stream_t *t = va_arg (*va, pg_stream_t *);
177  int verbose = va_arg (*va, int);
178 
179  if (!t)
180  return format (s, "%-16s%=12s%=16s%s",
181  "Name", "Enabled", "Count", "Parameters");
182 
183  s = format (s, "%-16v%=12s%=16Ld",
184  t->name,
185  pg_stream_is_enabled (t) ? "Yes" : "No",
187 
188  int indent = format_get_indent (s);
189 
190  s = format (s, "limit %Ld, ", t->n_packets_limit);
191  s = format (s, "rate %.2e pps, ", t->rate_packets_per_second);
192  s = format (s, "size %d%c%d, ",
193  t->min_packet_bytes,
194  t->packet_size_edit_type == PG_EDIT_RANDOM ? '+' : '-',
195  t->max_packet_bytes);
196  s = format (s, "buffer-size %d, ", t->buffer_bytes);
197  s = format (s, "worker %d, ", t->worker_index);
198 
199  if (verbose)
200  {
201  pg_edit_group_t *g;
202  /* *INDENT-OFF* */
203  vec_foreach (g, t->edit_groups)
204  {
205  s = format (s, "\n%U%U", format_white_space, indent, format_pg_edit_group, g);
206  }
207  /* *INDENT-ON* */
208  }
209 
210  return s;
211 }
212 
213 static clib_error_t *
215  unformat_input_t * input, vlib_cli_command_t * cmd)
216 {
217  pg_main_t *pg = &pg_main;
218  pg_stream_t *s;
219  int verbose = 0;
220 
222  {
223  if (unformat (input, "verbose"))
224  verbose = 1;
225  else
226  break;
227  }
228 
229  if (pool_elts (pg->streams) == 0)
230  {
231  vlib_cli_output (vm, "no streams currently defined");
232  goto done;
233  }
234 
235  vlib_cli_output (vm, "%U", format_pg_stream, 0, 0);
236  /* *INDENT-OFF* */
237  pool_foreach (s, pg->streams, ({
238  vlib_cli_output (vm, "%U", format_pg_stream, s, verbose);
239  }));
240  /* *INDENT-ON* */
241 
242 done:
243  return 0;
244 }
245 
246 /* *INDENT-OFF* */
247 VLIB_CLI_COMMAND (show_streams_cli, static) = {
248  .path = "show packet-generator ",
249  .short_help = "show packet-generator [verbose]",
250  .function = show_streams,
251 };
252 /* *INDENT-ON* */
253 
254 static clib_error_t *
255 pg_pcap_read (pg_stream_t * s, char *file_name)
256 {
257 #ifndef CLIB_UNIX
258  return clib_error_return (0, "no pcap support");
259 #else
260  pcap_main_t pm;
261  clib_error_t *error;
262  clib_memset (&pm, 0, sizeof (pm));
263  pm.file_name = file_name;
264  error = pcap_read (&pm);
270 
271  if (s->n_packets_limit == 0)
273 
274  return error;
275 #endif /* CLIB_UNIX */
276 }
277 
278 static uword
280 {
281  pg_stream_t *s = va_arg (*args, pg_stream_t *);
282  f64 x;
283 
284  if (unformat (input, "limit %f", &x))
285  s->n_packets_limit = x;
286 
287  else if (unformat (input, "rate %f", &x))
289 
290  else if (unformat (input, "size %d-%d", &s->min_packet_bytes,
291  &s->max_packet_bytes))
293 
294  else if (unformat (input, "size %d+%d", &s->min_packet_bytes,
295  &s->max_packet_bytes))
297 
298  else if (unformat (input, "buffer-size %d", &s->buffer_bytes))
299  ;
300 
301  else
302  return 0;
303 
304  return 1;
305 }
306 
307 static clib_error_t *
309 {
311  return clib_error_create ("max-size < min-size");
312 
313  u32 hdr_size = pg_edit_group_n_bytes (s, 0);
314  if (s->min_packet_bytes < hdr_size)
315  return clib_error_create ("min-size < total header size %d", hdr_size);
316  if (s->buffer_bytes == 0)
317  return clib_error_create ("buffer-size must be positive");
318 
319  if (s->rate_packets_per_second < 0)
320  return clib_error_create ("negative rate");
321 
322  return 0;
323 }
324 
325 static clib_error_t *
327  unformat_input_t * input, vlib_cli_command_t * cmd)
328 {
329  clib_error_t *error = 0;
330  u8 *tmp = 0;
331  u32 hw_if_index;
332  unformat_input_t sub_input = { 0 };
333  int sub_input_given = 0;
334  vnet_main_t *vnm = vnet_get_main ();
335  pg_main_t *pg = &pg_main;
336  pg_stream_t s = { 0 };
337  char *pcap_file_name;
338 
339  s.sw_if_index[VLIB_RX] = s.sw_if_index[VLIB_TX] = ~0;
340  s.node_index = ~0;
343  s.if_id = 0;
344  pcap_file_name = 0;
346  {
347  if (unformat (input, "name %v", &tmp))
348  {
349  if (s.name)
350  vec_free (s.name);
351  s.name = tmp;
352  }
353 
354  else if (unformat (input, "node %U",
355  unformat_vnet_hw_interface, vnm, &hw_if_index))
356  {
357  vnet_hw_interface_t *hi = vnet_get_hw_interface (vnm, hw_if_index);
358 
361  }
362 
363  else if (unformat (input, "source pg%u", &s.if_id))
364  ;
365 
366  else if (unformat (input, "node %U",
368  ;
369 
370  else if (unformat (input, "worker %u", &s.worker_index))
371  ;
372 
373  else if (unformat (input, "interface %U",
375  &s.sw_if_index[VLIB_RX]))
376  ;
377 
378  else if (unformat (input, "pcap %s", &pcap_file_name))
379  ;
380 
381  else if (!sub_input_given
382  && unformat (input, "data %U", unformat_input, &sub_input))
383  sub_input_given++;
384 
385  else if (unformat_user (input, unformat_pg_stream_parameter, &s))
386  ;
387 
388  else
389  {
390  error = clib_error_create ("unknown input `%U'",
391  format_unformat_error, input);
392  goto done;
393  }
394  }
395 
396  if (!sub_input_given && !pcap_file_name)
397  {
398  error = clib_error_create ("no packet data given");
399  goto done;
400  }
401 
402  if (s.node_index == ~0)
403  {
404  if (pcap_file_name != 0)
405  {
406  vlib_node_t *n =
407  vlib_get_node_by_name (vm, (u8 *) "ethernet-input");
408  s.node_index = n->index;
409  }
410  else
411  {
412  error = clib_error_create ("output interface or node not given");
413  goto done;
414  }
415  }
416 
417  {
418  pg_node_t *n;
419 
420  if (s.node_index < vec_len (pg->nodes))
421  n = pg->nodes + s.node_index;
422  else
423  n = 0;
424 
425  if (s.worker_index >= vlib_num_workers ())
426  s.worker_index = 0;
427 
428  if (pcap_file_name != 0)
429  {
430  error = pg_pcap_read (&s, pcap_file_name);
431  if (error)
432  goto done;
433  vec_free (pcap_file_name);
434  }
435 
436  else if (n && n->unformat_edit
437  && unformat_user (&sub_input, n->unformat_edit, &s))
438  ;
439 
440  else if (!unformat_user (&sub_input, unformat_pg_payload, &s))
441  {
442  error = clib_error_create
443  ("failed to parse packet data from `%U'",
444  format_unformat_error, &sub_input);
445  goto done;
446  }
447  }
448 
449  error = validate_stream (&s);
450  if (error)
451  return error;
452 
453  pg_stream_add (pg, &s);
454  return 0;
455 
456 done:
457  pg_stream_free (&s);
458  unformat_free (&sub_input);
459  return error;
460 }
461 
462 /* *INDENT-OFF* */
463 VLIB_CLI_COMMAND (new_stream_cli, static) = {
464  .path = "packet-generator new",
465  .function = new_stream,
466  .short_help = "Create packet generator stream",
467  .long_help =
468  "Create packet generator stream\n"
469  "\n"
470  "Arguments:\n"
471  "\n"
472  "name STRING sets stream name\n"
473  "interface STRING interface for stream output \n"
474  "node NODE-NAME node for stream output\n"
475  "data STRING specifies packet data\n"
476  "pcap FILENAME read packet data from pcap file\n",
477 };
478 /* *INDENT-ON* */
479 
480 static clib_error_t *
482  unformat_input_t * input, vlib_cli_command_t * cmd)
483 {
484  pg_main_t *pg = &pg_main;
485  u32 i;
486 
487  if (!unformat (input, "%U",
489  return clib_error_create ("expected stream name `%U'",
490  format_unformat_error, input);
491 
492  pg_stream_del (pg, i);
493  return 0;
494 }
495 
496 /* *INDENT-OFF* */
497 VLIB_CLI_COMMAND (del_stream_cli, static) = {
498  .path = "packet-generator delete",
499  .function = del_stream,
500  .short_help = "Delete stream with given name",
501 };
502 /* *INDENT-ON* */
503 
504 static clib_error_t *
506  unformat_input_t * input, vlib_cli_command_t * cmd)
507 {
508  pg_main_t *pg = &pg_main;
509  pg_stream_t *s, s_new;
510  u32 stream_index = ~0;
511  clib_error_t *error;
512 
513  if (unformat (input, "%U", unformat_hash_vec_string,
514  pg->stream_index_by_name, &stream_index))
515  ;
516  else
517  return clib_error_create ("expecting stream name; got `%U'",
518  format_unformat_error, input);
519 
520  s = pool_elt_at_index (pg->streams, stream_index);
521  s_new = s[0];
522 
524  {
525  if (unformat_user (input, unformat_pg_stream_parameter, &s_new))
526  ;
527 
528  else
529  return clib_error_create ("unknown input `%U'",
530  format_unformat_error, input);
531  }
532 
533  error = validate_stream (&s_new);
534  if (!error)
535  {
536  s[0] = s_new;
537  pg_stream_change (pg, s);
538  }
539 
540  return error;
541 }
542 
543 /* *INDENT-OFF* */
544 VLIB_CLI_COMMAND (change_stream_parameters_cli, static) = {
545  .path = "packet-generator configure",
546  .short_help = "Change packet generator stream parameters",
547  .function = change_stream_parameters,
548 };
549 /* *INDENT-ON* */
550 
551 static clib_error_t *
553  unformat_input_t * input, vlib_cli_command_t * cmd)
554 {
555  clib_error_t *error = 0;
556  vnet_main_t *vnm = vnet_get_main ();
557  unformat_input_t _line_input, *line_input = &_line_input;
558  vnet_hw_interface_t *hi = 0;
559  u8 *pcap_file_name = 0;
560  u32 hw_if_index;
561  u32 is_disable = 0;
562  u32 count = ~0;
563 
564  if (!unformat_user (input, unformat_line_input, line_input))
565  return 0;
566 
567  while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
568  {
569  if (unformat (line_input, "%U",
570  unformat_vnet_hw_interface, vnm, &hw_if_index))
571  {
572  hi = vnet_get_hw_interface (vnm, hw_if_index);
573  }
574 
575  else if (unformat (line_input, "pcap %s", &pcap_file_name))
576  ;
577  else if (unformat (line_input, "count %u", &count))
578  ;
579  else if (unformat (line_input, "disable"))
580  is_disable = 1;
581 
582  else
583  {
584  error = clib_error_create ("unknown input `%U'",
585  format_unformat_error, line_input);
586  goto done;
587  }
588  }
589 
590  if (!hi)
591  {
592  error = clib_error_return (0, "Please specify interface name");
593  goto done;
594  }
595 
596  if (hi->dev_class_index != pg_dev_class.index)
597  {
598  error =
599  clib_error_return (0, "Please specify packet-generator interface");
600  goto done;
601  }
602 
603  if (!pcap_file_name && is_disable == 0)
604  {
605  error = clib_error_return (0, "Please specify pcap file name");
606  goto done;
607  }
608 
609 
610  pg_capture_args_t _a, *a = &_a;
611 
612  a->hw_if_index = hw_if_index;
613  a->dev_instance = hi->dev_instance;
614  a->is_enabled = !is_disable;
615  a->pcap_file_name = pcap_file_name;
616  a->count = count;
617 
618  error = pg_capture (a);
619 
620 done:
621  unformat_free (line_input);
622 
623  return error;
624 }
625 
626 /* *INDENT-OFF* */
627 VLIB_CLI_COMMAND (pg_capture_cmd, static) = {
628  .path = "packet-generator capture",
629  .short_help = "packet-generator capture <interface name> pcap <filename> [count <n>]",
630  .function = pg_capture_cmd_fn,
631 };
632 /* *INDENT-ON* */
633 
634 static clib_error_t *
636  unformat_input_t * input, vlib_cli_command_t * cmd)
637 {
638  pg_main_t *pg = &pg_main;
639  unformat_input_t _line_input, *line_input = &_line_input;
640  u32 if_id;
641  clib_error_t *error = NULL;
642 
643  if (!unformat_user (input, unformat_line_input, line_input))
644  return 0;
645 
646  while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
647  {
648  if (unformat (line_input, "interface pg%u", &if_id))
649  ;
650 
651  else
652  {
653  error = clib_error_create ("unknown input `%U'",
654  format_unformat_error, line_input);
655  goto done;
656  }
657  }
658 
659  pg_interface_add_or_get (pg, if_id);
660 
661 done:
662  unformat_free (line_input);
663 
664  return error;
665 }
666 
667 /* *INDENT-OFF* */
668 VLIB_CLI_COMMAND (create_pg_if_cmd, static) = {
669  .path = "create packet-generator",
670  .short_help = "create packet-generator interface <interface name>",
671  .function = create_pg_if_cmd_fn,
672 };
673 /* *INDENT-ON* */
674 
675 /* Dummy init function so that we can be linked in. */
676 static clib_error_t *
678 {
679  return 0;
680 }
681 
683 
684 /*
685  * fd.io coding-style-patch-verification: ON
686  *
687  * Local Variables:
688  * eval: (c-set-style "gnu")
689  * End:
690  */
unformat_function_t unformat_vnet_hw_interface
static int pg_stream_is_enabled(pg_stream_t *s)
Definition: pg.h:216
vmrglw vmrglh hi
clib_error_t * pg_capture(pg_capture_args_t *a)
Definition: cli.c:81
u64 n_packets_limit
Definition: pg.h:156
void pg_stream_add(pg_main_t *pg, pg_stream_t *s_init)
Definition: stream.c:385
char * file_name
File name of pcap output.
Definition: pcap.h:162
static u8 * format_pg_edit_group(u8 *s, va_list *va)
Definition: cli.c:149
a
Definition: bitmap.h:538
u32 n_packets_to_capture
Number of packets to capture.
Definition: pcap.h:165
vnet_main_t * vnet_get_main(void)
Definition: misc.c:47
Definition: pg.h:313
unformat_function_t unformat_eof
Definition: format.h:292
unformat_function_t unformat_input
Definition: format.h:276
pg_edit_group_t * edit_groups
Definition: pg.h:106
static clib_error_t * pg_cli_init(vlib_main_t *vm)
Definition: cli.c:677
#define NULL
Definition: clib.h:58
PCAP utility definitions.
clib_memset(h->entries, 0, sizeof(h->entries[0]) *entries)
u32 index
Definition: node.h:279
void(* edit_function)(struct pg_main_t *pg, struct pg_stream_t *s, struct pg_edit_group_t *g, u32 *buffers, u32 n_buffers)
Definition: pg.h:73
uword * stream_index_by_name
Definition: pg.h:322
static vnet_hw_interface_t * vnet_get_hw_interface(vnet_main_t *vnm, u32 hw_if_index)
u32 max_packet_bytes
Definition: pcap.h:193
u32 worker_index
Definition: pg.h:144
int i
uword unformat_user(unformat_input_t *input, unformat_function_t *func,...)
Definition: unformat.c:983
u32 hw_if_index
Definition: pg.h:373
static u32 format_get_indent(u8 *s)
Definition: format.h:72
u8 * format(u8 *s, const char *fmt,...)
Definition: format.c:424
unformat_function_t unformat_vnet_sw_interface
pg_edit_type_t packet_size_edit_type
Definition: pg.h:108
void pg_stream_del(pg_main_t *pg, uword index)
Definition: stream.c:467
unsigned char u8
Definition: types.h:56
u32 start_byte_offset
Definition: pg.h:67
double f64
Definition: types.h:142
PCAP main state data structure.
Definition: pcap.h:156
#define pool_foreach(VAR, POOL, BODY)
Iterate through pool.
Definition: pool.h:493
static uword unformat_pg_stream_parameter(unformat_input_t *input, va_list *args)
Definition: cli.c:279
#define VLIB_INIT_FUNCTION(x)
Definition: init.h:163
u8 * format_white_space(u8 *s, va_list *va)
Definition: std-formats.c:113
uword unformat_pg_payload(unformat_input_t *input, va_list *args)
Definition: edit.c:127
static clib_error_t * del_stream(vlib_main_t *vm, unformat_input_t *input, vlib_cli_command_t *cmd)
Definition: cli.c:481
u32 n_packet_bytes
Definition: pg.h:70
#define clib_error_return(e, args...)
Definition: error.h:99
unsigned int u32
Definition: types.h:88
#define clib_error_create(args...)
Definition: error.h:96
static clib_error_t * new_stream(vlib_main_t *vm, unformat_input_t *input, vlib_cli_command_t *cmd)
Definition: cli.c:326
static clib_error_t * enable_disable_stream(vlib_main_t *vm, unformat_input_t *input, vlib_cli_command_t *cmd)
Definition: cli.c:109
u8 * pcap_file_name
Definition: pg.h:376
unformat_function_t unformat_line_input
Definition: format.h:282
u32 buffer_bytes
Definition: pg.h:124
#define pool_elt_at_index(p, i)
Returns pointer to element at given index.
Definition: pool.h:514
u8 * name
Definition: pg.h:97
struct _unformat_input_t unformat_input_t
static void pg_stream_free(pg_stream_t *s)
Definition: pg.h:191
pcap_main_t pcap_main
Definition: pg.h:302
pg_node_t * nodes
Definition: pg.h:332
u32 pg_interface_add_or_get(pg_main_t *pg, uword stream_index)
Definition: stream.c:182
unformat_function_t unformat_hash_vec_string
Definition: hash.h:718
clib_error_t * pcap_read(pcap_main_t *pm)
Read PCAP file.
Definition: pcap.c:179
uword function_arg
Definition: cli.h:105
static_always_inline u32 vlib_buffer_get_default_data_size(vlib_main_t *vm)
Definition: buffer_funcs.h:96
static clib_error_t * create_pg_if_cmd_fn(vlib_main_t *vm, unformat_input_t *input, vlib_cli_command_t *cmd)
Definition: cli.c:635
u8 * pcap_file_name
Definition: pg.h:303
#define UNFORMAT_END_OF_INPUT
Definition: format.h:144
vlib_main_t * vm
Definition: buffer.c:312
u64 * replay_packet_timestamps
Definition: pg.h:169
#define vec_free(V)
Free vector&#39;s memory (no header).
Definition: vec.h:341
u32 min_packet_bytes
Definition: pg.h:111
u32 max_packet_bytes
Definition: pg.h:111
static clib_error_t * pg_pcap_read(pg_stream_t *s, char *file_name)
Definition: cli.c:255
static uword pg_edit_group_n_bytes(pg_stream_t *s, u32 group_index)
Definition: pg.h:270
void pg_stream_change(pg_main_t *pg, pg_stream_t *s)
Definition: stream.c:487
unformat_function_t * unformat_edit
Definition: pg.h:310
static u8 * format_pg_stream(u8 *s, va_list *va)
Definition: cli.c:174
vlib_node_t * vlib_get_node_by_name(vlib_main_t *vm, u8 *name)
Definition: node.c:45
u8 ** replay_packet_templates
Definition: pg.h:168
#define VLIB_CLI_COMMAND(x,...)
Definition: cli.h:155
pg_stream_t * streams
Definition: pg.h:316
static clib_error_t * validate_stream(pg_stream_t *s)
Definition: cli.c:308
static clib_error_t * pg_capture_cmd_fn(vlib_main_t *vm, unformat_input_t *input, vlib_cli_command_t *cmd)
Definition: cli.c:552
void pg_enable_disable(u32 stream_index, int is_enable)
Definition: cli.c:58
void pg_stream_enable_disable(pg_main_t *pg, pg_stream_t *s, int is_enable)
Definition: stream.c:49
static clib_error_t * show_streams(vlib_main_t *vm, unformat_input_t *input, vlib_cli_command_t *cmd)
Definition: cli.c:214
size_t count
Definition: vapi.c:47
Definition: pg.h:94
u32 min_packet_bytes
Min/Max Packet bytes.
Definition: pcap.h:193
u64 * timestamps
Timestamps.
Definition: pcap.h:190
pcap_packet_type_t packet_type
Packet type.
Definition: pcap.h:168
u32 node_index
Definition: pg.h:141
Definition: defs.h:47
u32 sw_if_index[VLIB_N_RX_TX]
Definition: pg.h:138
#define vec_len(v)
Number of elements in vector (rvalue-only, NULL tolerant)
u32 if_id
Definition: pg.h:149
u64 uword
Definition: types.h:112
static void unformat_free(unformat_input_t *i)
Definition: format.h:162
unformat_function_t unformat_vlib_node
Definition: node_funcs.h:1147
format_function_t format_clib_elf_symbol_with_address
Definition: elf_clib.h:134
u32 dev_instance
Definition: pg.h:374
f64 rate_packets_per_second
Definition: pg.h:160
u8 * format_unformat_error(u8 *s, va_list *va)
Definition: unformat.c:91
static u32 vlib_num_workers()
Definition: threads.h:366
u64 n_packets_generated
Definition: pg.h:152
pg_main_t pg_main
Definition: init.c:44
u8 is_enabled
Definition: pg.h:375
#define vec_foreach(var, vec)
Vector iterator.
u8 ** packets_read
Packets read from file.
Definition: pcap.h:187
vnet_device_class_t pg_dev_class
void vlib_cli_output(vlib_main_t *vm, char *fmt,...)
Definition: cli.c:762
static clib_error_t * change_stream_parameters(vlib_main_t *vm, unformat_input_t *input, vlib_cli_command_t *cmd)
Definition: cli.c:505
Definition: pg.h:307
pg_interface_t * interfaces
Definition: pg.h:325
uword unformat(unformat_input_t *i, const char *fmt,...)
Definition: unformat.c:972
Definition: defs.h:46
static uword unformat_check_input(unformat_input_t *i)
Definition: format.h:170
static uword pool_elts(void *v)
Number of active elements in a pool.
Definition: pool.h:128