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Vector Packet Processing
nsh_cli.c
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1 /*
2  * nsh_cli.c - nsh cli functions
3  *
4  * Copyright (c) 2019 Cisco and/or its affiliates.
5  * Licensed under the Apache License, Version 2.0 (the "License");
6  * you may not use this file except in compliance with the License.
7  * You may obtain a copy of the License at:
8  *
9  * http://www.apache.org/licenses/LICENSE-2.0
10  *
11  * Unless required by applicable law or agreed to in writing, software
12  * distributed under the License is distributed on an "AS IS" BASIS,
13  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14  * See the License for the specific language governing permissions and
15  * limitations under the License.
16  */
17 
18 #include <vnet/vnet.h>
19 #include <vnet/plugin/plugin.h>
20 #include <nsh/nsh.h>
21 #include <vnet/adj/adj.h>
22 
23 /* format from network order */
24 u8 *
25 format_nsh_pop_header (u8 * s, va_list * args)
26 {
27  return format_nsh_header (s, args);
28 }
29 
30 u8 *
31 format_nsh_pop_node_map_trace (u8 * s, va_list * args)
32 {
33  return format_nsh_node_map_trace (s, args);
34 }
35 
36 static uword
37 unformat_nsh_action (unformat_input_t * input, va_list * args)
38 {
39  u32 *result = va_arg (*args, u32 *);
40  u32 tmp;
41 
42  if (unformat (input, "swap"))
43  *result = NSH_ACTION_SWAP;
44  else if (unformat (input, "push"))
45  *result = NSH_ACTION_PUSH;
46  else if (unformat (input, "pop"))
47  *result = NSH_ACTION_POP;
48  else if (unformat (input, "%d", &tmp))
49  *result = tmp;
50  else
51  return 0;
52 
53  return 1;
54 }
55 
56 static u8 *
57 format_nsh_action (u8 * s, va_list * args)
58 {
59  u32 nsh_action = va_arg (*args, u32);
60 
61  switch (nsh_action)
62  {
63  case NSH_ACTION_SWAP:
64  return format (s, "swap");
65  case NSH_ACTION_PUSH:
66  return format (s, "push");
67  case NSH_ACTION_POP:
68  return format (s, "pop");
69  default:
70  return format (s, "unknown %d", nsh_action);
71  }
72  return s;
73 }
74 
75 u8 *
76 format_nsh_map (u8 * s, va_list * args)
77 {
78  nsh_map_t *map = va_arg (*args, nsh_map_t *);
79 
80  s = format (s, "nsh entry nsp: %d nsi: %d ",
81  (map->nsp_nsi >> NSH_NSP_SHIFT) & NSH_NSP_MASK,
82  map->nsp_nsi & NSH_NSI_MASK);
83  s = format (s, "maps to nsp: %d nsi: %d ",
84  (map->mapped_nsp_nsi >> NSH_NSP_SHIFT) & NSH_NSP_MASK,
85  map->mapped_nsp_nsi & NSH_NSI_MASK);
86 
87  s = format (s, " nsh_action %U\n", format_nsh_action, map->nsh_action);
88 
89  switch (map->next_node)
90  {
91  case NSH_NODE_NEXT_ENCAP_GRE4:
92  {
93  s = format (s, "encapped by GRE4 intf: %d", map->sw_if_index);
94  break;
95  }
96  case NSH_NODE_NEXT_ENCAP_GRE6:
97  {
98  s = format (s, "encapped by GRE6 intf: %d", map->sw_if_index);
99  break;
100  }
101  case NSH_NODE_NEXT_ENCAP_VXLANGPE:
102  {
103  s = format (s, "encapped by VXLAN GPE intf: %d", map->sw_if_index);
104  break;
105  }
106  case NSH_NODE_NEXT_ENCAP_VXLAN4:
107  {
108  s = format (s, "encapped by VXLAN4 intf: %d", map->sw_if_index);
109  break;
110  }
111  case NSH_NODE_NEXT_ENCAP_VXLAN6:
112  {
113  s = format (s, "encapped by VXLAN6 intf: %d", map->sw_if_index);
114  break;
115  }
116  case NSH_NODE_NEXT_DECAP_ETH_INPUT:
117  {
118  s = format (s, "encap-none");
119  break;
120  }
121  case NSH_NODE_NEXT_ENCAP_LISP_GPE:
122  {
123  s = format (s, "encapped by LISP GPE intf: %d", map->sw_if_index);
124  break;
125  }
126  case NSH_NODE_NEXT_ENCAP_ETHERNET:
127  {
128  s = format (s, "encapped by Ethernet intf: %d", map->sw_if_index);
129  break;
130  }
131  default:
132  s = format (s, "only GRE and VXLANGPE support in this rev");
133  }
134 
135  return s;
136 }
137 
138 static adj_index_t
140 {
141  adj_index_t ai = ~0;
142 
143  /* *INDENT-OFF* */
145  {
146  if (sw_if_index == adj_get_sw_if_index(ai))
147  {
148  return ai;
149  }
150  }
151  /* *INDENT-ON* */
152 
153  return ~0;
154 }
155 
156 
157 /**
158  * CLI command for NSH map
159  */
160 static clib_error_t *
162  unformat_input_t * input,
163  vlib_cli_command_t * cmd)
164 {
165  unformat_input_t _line_input, *line_input = &_line_input;
166  u8 is_add = 1;
167  u32 nsp, nsi, mapped_nsp, mapped_nsi, nsh_action;
168  int nsp_set = 0, nsi_set = 0, mapped_nsp_set = 0, mapped_nsi_set = 0;
169  int nsh_action_set = 0;
170  u32 next_node = ~0;
171  u32 adj_index = ~0;
172  u32 sw_if_index = ~0; // temporary requirement to get this moved over to NSHSFC
173  u32 rx_sw_if_index = ~0; // temporary requirement to get this moved over to NSHSFC
174  nsh_add_del_map_args_t _a, *a = &_a;
175  u32 map_index;
176  int rv;
177 
178  /* Get a line of input. */
179  if (!unformat_user (input, unformat_line_input, line_input))
180  return 0;
181 
182  while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
183  {
184  if (unformat (line_input, "del"))
185  is_add = 0;
186  else if (unformat (line_input, "nsp %d", &nsp))
187  nsp_set = 1;
188  else if (unformat (line_input, "nsi %d", &nsi))
189  nsi_set = 1;
190  else if (unformat (line_input, "mapped-nsp %d", &mapped_nsp))
191  mapped_nsp_set = 1;
192  else if (unformat (line_input, "mapped-nsi %d", &mapped_nsi))
193  mapped_nsi_set = 1;
194  else if (unformat (line_input, "nsh_action %U", unformat_nsh_action,
195  &nsh_action))
196  nsh_action_set = 1;
197  else if (unformat (line_input, "encap-gre4-intf %d", &sw_if_index))
198  next_node = NSH_NODE_NEXT_ENCAP_GRE4;
199  else if (unformat (line_input, "encap-gre6-intf %d", &sw_if_index))
200  next_node = NSH_NODE_NEXT_ENCAP_GRE6;
201  else if (unformat (line_input, "encap-vxlan-gpe-intf %d", &sw_if_index))
202  next_node = NSH_NODE_NEXT_ENCAP_VXLANGPE;
203  else if (unformat (line_input, "encap-lisp-gpe-intf %d", &sw_if_index))
204  next_node = NSH_NODE_NEXT_ENCAP_LISP_GPE;
205  else if (unformat (line_input, "encap-vxlan4-intf %d", &sw_if_index))
206  next_node = NSH_NODE_NEXT_ENCAP_VXLAN4;
207  else if (unformat (line_input, "encap-vxlan6-intf %d", &sw_if_index))
208  next_node = NSH_NODE_NEXT_ENCAP_VXLAN6;
209  else if (unformat (line_input, "encap-eth-intf %d", &sw_if_index))
210  {
211  next_node = NSH_NODE_NEXT_ENCAP_ETHERNET;
213  }
214  else
215  if (unformat
216  (line_input, "encap-none %d %d", &sw_if_index, &rx_sw_if_index))
217  next_node = NSH_NODE_NEXT_DECAP_ETH_INPUT;
218  else
219  return clib_error_return (0, "parse error: '%U'",
220  format_unformat_error, line_input);
221  }
222 
223  unformat_free (line_input);
224 
225  if (nsp_set == 0 || nsi_set == 0)
226  return clib_error_return (0, "nsp nsi pair required. Key: for NSH entry");
227 
228  if (mapped_nsp_set == 0 || mapped_nsi_set == 0)
229  return clib_error_return (0,
230  "mapped-nsp mapped-nsi pair required. Key: for NSH entry");
231 
232  if (nsh_action_set == 0)
233  return clib_error_return (0, "nsh_action required: swap|push|pop.");
234 
235  if (next_node == ~0)
236  return clib_error_return (0,
237  "must specific action: [encap-gre-intf <nn> | encap-vxlan-gpe-intf <nn> | encap-lisp-gpe-intf <nn> | encap-none <tx_sw_if_index> <rx_sw_if_index>]");
238 
239  clib_memset (a, 0, sizeof (*a));
240 
241  /* set args structure */
242  a->is_add = is_add;
243  a->map.nsp_nsi = (nsp << NSH_NSP_SHIFT) | nsi;
244  a->map.mapped_nsp_nsi = (mapped_nsp << NSH_NSP_SHIFT) | mapped_nsi;
245  a->map.nsh_action = nsh_action;
246  a->map.sw_if_index = sw_if_index;
247  a->map.rx_sw_if_index = rx_sw_if_index;
248  a->map.next_node = next_node;
249  a->map.adj_index = adj_index;
250 
251  rv = nsh_add_del_map (a, &map_index);
252 
253  switch (rv)
254  {
255  case 0:
256  break;
257  case -1: //TODO API_ERROR_INVALID_VALUE:
258  return clib_error_return (0,
259  "mapping already exists. Remove it first.");
260 
261  case -2: // TODO API_ERROR_NO_SUCH_ENTRY:
262  return clib_error_return (0, "mapping does not exist.");
263 
264  default:
265  return clib_error_return (0, "nsh_add_del_map returned %d", rv);
266  }
267 
268  if ((a->map.next_node == NSH_NODE_NEXT_ENCAP_VXLAN4)
269  | (a->map.next_node == NSH_NODE_NEXT_ENCAP_VXLAN6))
270  {
272 
273  switch (rv)
274  {
275  case 0:
276  break;
277  case -1: //TODO API_ERROR_INVALID_VALUE:
278  return clib_error_return (0,
279  "nsh-proxy-session already exists. Remove it first.");
280 
281  case -2: // TODO API_ERROR_NO_SUCH_ENTRY:
282  return clib_error_return (0, "nsh-proxy-session does not exist.");
283 
284  default:
285  return clib_error_return
286  (0, "nsh_add_del_proxy_session() returned %d", rv);
287  }
288  }
289 
290  return 0;
291 }
292 
293 /* *INDENT-OFF* */
295  .path = "create nsh map",
296  .short_help =
297  "create nsh map nsp <nn> nsi <nn> [del] mapped-nsp <nn> mapped-nsi <nn> nsh_action [swap|push|pop] "
298  "[encap-gre4-intf <nn> | encap-gre4-intf <nn> | encap-vxlan-gpe-intf <nn> | encap-lisp-gpe-intf <nn> "
299  " encap-vxlan4-intf <nn> | encap-vxlan6-intf <nn>| encap-eth-intf <nn> | encap-none]\n",
300  .function = nsh_add_del_map_command_fn,
301 };
302 /* *INDENT-ON* */
303 
304 /**
305  * CLI command for showing the mapping between NSH entries
306  */
307 static clib_error_t *
309  unformat_input_t * input, vlib_cli_command_t * cmd)
310 {
311  nsh_main_t *nm = &nsh_main;
312  nsh_map_t *map;
313 
314  if (pool_elts (nm->nsh_mappings) == 0)
315  vlib_cli_output (vm, "No nsh maps configured.");
316 
317  pool_foreach (map, nm->nsh_mappings)
318  {
320  }
321 
322  return 0;
323 }
324 
325 /* *INDENT-OFF* */
327  .path = "show nsh map",
328  .function = show_nsh_map_command_fn,
329 };
330 /* *INDENT-ON* */
331 
332 /**
333  * CLI command for adding NSH entry
334  */
335 static clib_error_t *
337  unformat_input_t * input,
338  vlib_cli_command_t * cmd)
339 {
340  unformat_input_t _line_input, *line_input = &_line_input;
341  u8 is_add = 1;
342  u8 ver_o_c = 0;
343  u8 ttl = 63;
344  u8 length = 0;
345  u8 md_type = 0;
346  u8 next_protocol = 1; /* default: ip4 */
347  u32 nsp;
348  u8 nsp_set = 0;
349  u32 nsi;
350  u8 nsi_set = 0;
351  u32 nsp_nsi;
352  u32 c1 = 0;
353  u32 c2 = 0;
354  u32 c3 = 0;
355  u32 c4 = 0;
356  u8 *data = 0;
357  nsh_tlv_header_t tlv_header;
358  u8 cur_len = 0, tlvs_len = 0;
359  u8 *current;
360  nsh_main_t *nm = &nsh_main;
361  nsh_option_map_t _nsh_option, *nsh_option = &_nsh_option;
362  u8 option_size = 0;
363  u32 tmp;
364  int rv;
365  u32 entry_index;
366  nsh_add_del_entry_args_t _a, *a = &_a;
367  u8 has_ioam_trace_option = 0;
368 
369  /* Get a line of input. */
370  if (!unformat_user (input, unformat_line_input, line_input))
371  return 0;
372 
373  while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
374  {
375  if (unformat (line_input, "del"))
376  is_add = 0;
377  else if (unformat (line_input, "version %d", &tmp))
378  ver_o_c |= (tmp & 3) << 6;
379  else if (unformat (line_input, "o-bit %d", &tmp))
380  ver_o_c |= (tmp & 1) << 5;
381  else if (unformat (line_input, "c-bit %d", &tmp))
382  ver_o_c |= (tmp & 1) << 4;
383  else if (unformat (line_input, "ttl %d", &ttl))
384  ver_o_c |= (ttl & NSH_LEN_MASK) >> 2;
385  else if (unformat (line_input, "md-type %d", &tmp))
386  md_type = tmp;
387  else if (unformat (line_input, "next-ip4"))
388  next_protocol = 1;
389  else if (unformat (line_input, "next-ip6"))
390  next_protocol = 2;
391  else if (unformat (line_input, "next-ethernet"))
392  next_protocol = 3;
393  else if (unformat (line_input, "c1 %d", &c1))
394  ;
395  else if (unformat (line_input, "c2 %d", &c2))
396  ;
397  else if (unformat (line_input, "c3 %d", &c3))
398  ;
399  else if (unformat (line_input, "c4 %d", &c4))
400  ;
401  else if (unformat (line_input, "nsp %d", &nsp))
402  nsp_set = 1;
403  else if (unformat (line_input, "nsi %d", &nsi))
404  nsi_set = 1;
405  else if (unformat (line_input, "tlv-ioam-trace"))
406  has_ioam_trace_option = 1;
407  else
408  return clib_error_return (0, "parse error: '%U'",
409  format_unformat_error, line_input);
410  }
411 
412  unformat_free (line_input);
413 
414  if (nsp_set == 0)
415  return clib_error_return (0, "nsp not specified");
416 
417  if (nsi_set == 0)
418  return clib_error_return (0, "nsi not specified");
419 
420  if (md_type == 1 && has_ioam_trace_option == 1)
421  return clib_error_return (0, "Invalid MD Type");
422 
423  nsp_nsi = (nsp << 8) | nsi;
424 
425  clib_memset (a, 0, sizeof (*a));
426  a->is_add = is_add;
427 
428  if (md_type == 1)
429  {
430  a->nsh_entry.md.md1_data.c1 = c1;
431  a->nsh_entry.md.md1_data.c2 = c2;
432  a->nsh_entry.md.md1_data.c3 = c3;
433  a->nsh_entry.md.md1_data.c4 = c4;
434  length = (sizeof (nsh_base_header_t) + sizeof (nsh_md1_data_t)) >> 2;
435  }
436  else if (md_type == 2)
437  {
438  length = sizeof (nsh_base_header_t) >> 2;
439 
440  vec_free (a->nsh_entry.tlvs_data);
441  tlvs_len = (MAX_METADATA_LEN << 2);
443  a->nsh_entry.tlvs_data = data;
444  current = data;
445 
446  if (has_ioam_trace_option)
447  {
448  tlv_header.class = clib_host_to_net_u16 (NSH_MD2_IOAM_CLASS);
449  tlv_header.type = NSH_MD2_IOAM_OPTION_TYPE_TRACE;
450  /* Uses network order's class and type to lookup */
451  nsh_option =
452  nsh_md2_lookup_option (tlv_header.class, tlv_header.type);
453  if (nsh_option == NULL)
454  return clib_error_return (0, "iOAM Trace not registered");
455 
456  if (nm->add_options[nsh_option->option_id] != NULL)
457  {
458  if (0 != nm->add_options[nsh_option->option_id] ((u8 *) current,
459  &option_size))
460  {
461  return clib_error_return (0, "Invalid MD Type");
462  }
463  }
464 
465  nm->options_size[nsh_option->option_id] = option_size;
466  /* round to 4-byte */
467  option_size = (((option_size + 3) >> 2) << 2);
468 
469  cur_len += option_size;
470  current = data + option_size;
471  }
472 
473  /* Add more options' parsing */
474 
475  a->nsh_entry.tlvs_len = cur_len;
476  length += (cur_len >> 2);
477  }
478  length = (length & NSH_LEN_MASK) | ((ttl & 0x3) << 6);
479 
480 #define _(x) a->nsh_entry.nsh_base.x = x;
482 #undef _
483 
484  rv = nsh_add_del_entry (a, &entry_index);
485 
486  switch (rv)
487  {
488  case 0:
489  break;
490  default:
491  return clib_error_return (0, "nsh_add_del_entry returned %d", rv);
492  }
493 
494  return 0;
495 }
496 
497 /* *INDENT-OFF* */
499  .path = "create nsh entry",
500  .short_help =
501  "create nsh entry {nsp <nn> nsi <nn>} [ttl <nn>] [md-type <nn>]"
502  " [c1 <nn> c2 <nn> c3 <nn> c4 <nn>] [tlv-ioam-trace] [del]\n",
503  .function = nsh_add_del_entry_command_fn,
504 };
505 /* *INDENT-ON* */
506 
507 /* format from network order */
508 u8 *
509 format_nsh_header (u8 * s, va_list * args)
510 {
511  nsh_main_t *nm = &nsh_main;
512  nsh_md2_data_t *opt0;
513  nsh_md2_data_t *limit0;
514  nsh_option_map_t *nsh_option;
515  u8 option_len = 0;
516 
517  u8 *header = va_arg (*args, u8 *);
518  nsh_base_header_t *nsh_base = (nsh_base_header_t *) header;
519  nsh_md1_data_t *nsh_md1 = (nsh_md1_data_t *) (nsh_base + 1);
520  nsh_md2_data_t *nsh_md2 = (nsh_md2_data_t *) (nsh_base + 1);
521  opt0 = (nsh_md2_data_t *) nsh_md2;
522  limit0 = (nsh_md2_data_t *) ((u8 *) nsh_md2 +
523  ((nsh_base->length & NSH_LEN_MASK) * 4
524  - sizeof (nsh_base_header_t)));
525 
526  s = format (s, "nsh ver %d ", (nsh_base->ver_o_c >> 6));
527  if (nsh_base->ver_o_c & NSH_O_BIT)
528  s = format (s, "O-set ");
529 
530  if (nsh_base->ver_o_c & NSH_C_BIT)
531  s = format (s, "C-set ");
532 
533  s = format (s, "ttl %d ", (nsh_base->ver_o_c & NSH_TTL_H4_MASK) << 2 |
534  (nsh_base->length & NSH_TTL_L2_MASK) >> 6);
535 
536  s = format (s, "len %d (%d bytes) md_type %d next_protocol %d\n",
537  (nsh_base->length & NSH_LEN_MASK),
538  (nsh_base->length & NSH_LEN_MASK) * 4,
539  nsh_base->md_type, nsh_base->next_protocol);
540 
541  s = format (s, " service path %d service index %d\n",
542  (clib_net_to_host_u32 (nsh_base->nsp_nsi) >> NSH_NSP_SHIFT) &
543  NSH_NSP_MASK,
544  clib_net_to_host_u32 (nsh_base->nsp_nsi) & NSH_NSI_MASK);
545 
546  if (nsh_base->md_type == 1)
547  {
548  s = format (s, " c1 %d c2 %d c3 %d c4 %d\n",
549  clib_net_to_host_u32 (nsh_md1->c1),
550  clib_net_to_host_u32 (nsh_md1->c2),
551  clib_net_to_host_u32 (nsh_md1->c3),
552  clib_net_to_host_u32 (nsh_md1->c4));
553  }
554  else if (nsh_base->md_type == 2)
555  {
556  s = format (s, " Supported TLVs: \n");
557 
558  /* Scan the set of variable metadata, network order */
559  while (opt0 < limit0)
560  {
561  nsh_option = nsh_md2_lookup_option (opt0->class, opt0->type);
562  if (nsh_option != NULL)
563  {
564  if (nm->trace[nsh_option->option_id] != NULL)
565  {
566  s = (*nm->trace[nsh_option->option_id]) (s, opt0);
567  }
568  else
569  {
570  s =
571  format (s, "\n untraced option %d length %d",
572  opt0->type, opt0->length);
573  }
574  }
575  else
576  {
577  s =
578  format (s, "\n unrecognized option %d length %d",
579  opt0->type, opt0->length);
580  }
581 
582  /* round to 4-byte */
583  option_len = ((opt0->length + 3) >> 2) << 2;
584  opt0 =
585  (nsh_md2_data_t *) (((u8 *) opt0) + sizeof (nsh_md2_data_t) +
586  option_len);
587  }
588  }
589 
590  return s;
591 }
592 
593 u8 *
594 format_nsh_node_map_trace (u8 * s, va_list * args)
595 {
596  CLIB_UNUSED (vlib_main_t * vm) = va_arg (*args, vlib_main_t *);
597  CLIB_UNUSED (vlib_node_t * node) = va_arg (*args, vlib_node_t *);
598  nsh_input_trace_t *t = va_arg (*args, nsh_input_trace_t *);
599 
600  s = format (s, "\n %U", format_nsh_header, &(t->trace_data));
601 
602  return s;
603 }
604 
605 static clib_error_t *
607  unformat_input_t * input, vlib_cli_command_t * cmd)
608 {
609  nsh_main_t *nm = &nsh_main;
610  nsh_entry_t *nsh_entry;
611 
612  if (pool_elts (nm->nsh_entries) == 0)
613  vlib_cli_output (vm, "No nsh entries configured.");
614 
615  pool_foreach (nsh_entry, nm->nsh_entries)
616  {
617  vlib_cli_output (vm, "%U", format_nsh_header, nsh_entry->rewrite);
618  vlib_cli_output (vm, " rewrite_size: %d bytes", nsh_entry->rewrite_size);
619  }
620 
621  return 0;
622 }
623 
624 /* *INDENT-OFF* */
626  .path = "show nsh entry",
627  .function = show_nsh_entry_command_fn,
628 };
629 /* *INDENT-ON* */
630 
631 /*
632  * fd.io coding-style-patch-verification: ON
633  *
634  * Local Variables:
635  * eval: (c-set-style "gnu")
636  * End:
637  */
show_nsh_entry_command_fn
static clib_error_t * show_nsh_entry_command_fn(vlib_main_t *vm, unformat_input_t *input, vlib_cli_command_t *cmd)
Definition: nsh_cli.c:606
format_nsh_pop_node_map_trace
u8 * format_nsh_pop_node_map_trace(u8 *s, va_list *args)
Definition: nsh_cli.c:31
tmp
u32 * tmp
Definition: interface_output.c:1078
adj.h
unformat_user
uword unformat_user(unformat_input_t *input, unformat_function_t *func,...)
Definition: unformat.c:989
NSH_ACTION_PUSH
@ NSH_ACTION_PUSH
Definition: nsh.h:230
NSH_ACTION_POP
@ NSH_ACTION_POP
Definition: nsh.h:231
adj_pool
ip_adjacency_t * adj_pool
The global adjacency pool.
Definition: adj.c:34
nsh_add_del_map_command_fn
static clib_error_t * nsh_add_del_map_command_fn(vlib_main_t *vm, unformat_input_t *input, vlib_cli_command_t *cmd)
CLI command for NSH map.
Definition: nsh_cli.c:161
NSH_C_BIT
#define NSH_C_BIT
Definition: nsh_packet.h:105
nsh_input_trace_t::trace_data
u8 trace_data[256]
Definition: nsh.h:176
nsh_entry_t
Note: rewrite and rewrite_size used to support varied nsh header.
Definition: nsh.h:36
unformat_line_input
unformat_function_t unformat_line_input
Definition: format.h:275
adj_get_sw_if_index
u32 adj_get_sw_if_index(adj_index_t ai)
Return the sw interface index of the adjacency.
Definition: adj.c:543
ttl
u8 ttl
Definition: fib_types.api:26
nsh_add_del_entry
int nsh_add_del_entry(nsh_add_del_entry_args_t *a, u32 *entry_indexp)
Action function for adding an NSH entry nsh_add_del_entry_args_t *a: host order.
Definition: nsh_api.c:509
create_nsh_map_command
static vlib_cli_command_t create_nsh_map_command
(constructor) VLIB_CLI_COMMAND (create_nsh_map_command)
Definition: nsh_cli.c:294
foreach_copy_nsh_base_hdr_field
#define foreach_copy_nsh_base_hdr_field
Definition: nsh.h:183
format_nsh_header
u8 * format_nsh_header(u8 *s, va_list *args)
Definition: nsh_cli.c:509
node
vlib_main_t vlib_node_runtime_t * node
Definition: nat44_ei.c:3047
show_nsh_map_command
static vlib_cli_command_t show_nsh_map_command
(constructor) VLIB_CLI_COMMAND (show_nsh_map_command)
Definition: nsh_cli.c:326
clib_error_return
#define clib_error_return(e, args...)
Definition: error.h:99
vlib_cli_command_t::path
char * path
Definition: cli.h:96
show_nsh_map_command_fn
static clib_error_t * show_nsh_map_command_fn(vlib_main_t *vm, unformat_input_t *input, vlib_cli_command_t *cmd)
CLI command for showing the mapping between NSH entries.
Definition: nsh_cli.c:308
create_nsh_entry_command
static vlib_cli_command_t create_nsh_entry_command
(constructor) VLIB_CLI_COMMAND (create_nsh_entry_command)
Definition: nsh_cli.c:498
vm
vlib_main_t * vm
X-connect all packets from the HOST to the PHY.
Definition: nat44_ei.c:3047
NSH_NSI_MASK
#define NSH_NSI_MASK
Definition: nsh_packet.h:112
unformat_input_t
struct _unformat_input_t unformat_input_t
nsh_md2_lookup_option
nsh_option_map_t * nsh_md2_lookup_option(u16 class, u8 type)
Definition: nsh.c:88
NSH_TTL_H4_MASK
#define NSH_TTL_H4_MASK
Definition: nsh_packet.h:107
format_nsh_map
u8 * format_nsh_map(u8 *s, va_list *args)
Definition: nsh_cli.c:76
nsh_add_del_entry_args_t
Definition: nsh.h:54
nsh_main_t
Definition: nsh.h:105
unformat
uword unformat(unformat_input_t *i, const char *fmt,...)
Definition: unformat.c:978
pool_foreach
#define pool_foreach(VAR, POOL)
Iterate through pool.
Definition: pool.h:534
unformat_free
static void unformat_free(unformat_input_t *i)
Definition: format.h:155
nsh_md2_data_t
nsh_tlv_header_t nsh_md2_data_t
Definition: nsh_packet.h:93
map
counters map
Definition: map.api:356
nsh_input_trace_t
Definition: nsh.h:175
CLIB_UNUSED
#define CLIB_UNUSED(x)
Definition: clib.h:90
NSH_MD2_IOAM_OPTION_TYPE_TRACE
#define NSH_MD2_IOAM_OPTION_TYPE_TRACE
Definition: nsh.h:245
unformat_check_input
static uword unformat_check_input(unformat_input_t *i)
Definition: format.h:163
vec_validate_aligned
#define vec_validate_aligned(V, I, A)
Make sure vector is long enough for given index (no header, specified alignment)
Definition: vec.h:534
uword
u64 uword
Definition: types.h:112
NSH_TTL_L2_MASK
#define NSH_TTL_L2_MASK
Definition: nsh_packet.h:108
nsh_add_del_map_args_t
Definition: nsh.h:88
format_unformat_error
u8 * format_unformat_error(u8 *s, va_list *va)
Definition: unformat.c:91
nsh_add_del_map
int nsh_add_del_map(nsh_add_del_map_args_t *a, u32 *map_indexp)
Action function to add or del an nsh map.
Definition: nsh_api.c:345
nsh_map_t
Definition: nsh.h:59
VLIB_CLI_COMMAND
#define VLIB_CLI_COMMAND(x,...)
Definition: cli.h:163
format_nsh_pop_header
u8 * format_nsh_pop_header(u8 *s, va_list *args)
Definition: nsh_cli.c:25
NSH_LEN_MASK
#define NSH_LEN_MASK
Definition: nsh_packet.h:109
CLIB_CACHE_LINE_BYTES
#define CLIB_CACHE_LINE_BYTES
Definition: cache.h:59
vlib_cli_output
void vlib_cli_output(vlib_main_t *vm, char *fmt,...)
Definition: cli.c:716
nsh_add_del_entry_command_fn
static clib_error_t * nsh_add_del_entry_command_fn(vlib_main_t *vm, unformat_input_t *input, vlib_cli_command_t *cmd)
CLI command for adding NSH entry.
Definition: nsh_cli.c:336
plugin.h
data
u8 data[128]
Definition: ipsec_types.api:92
nsh_option_map_t::option_id
u32 option_id
Definition: nsh.h:29
vec_free
#define vec_free(V)
Free vector's memory (no header).
Definition: vec.h:395
show_nsh_entry_command
static vlib_cli_command_t show_nsh_entry_command
(constructor) VLIB_CLI_COMMAND (show_nsh_entry_command)
Definition: nsh_cli.c:625
format_nsh_node_map_trace
u8 * format_nsh_node_map_trace(u8 *s, va_list *args)
Definition: nsh_cli.c:594
pool_foreach_index
#define pool_foreach_index(i, v)
Definition: pool.h:576
nsh_main
nsh_main_t nsh_main
Definition: nsh.c:28
format
description fragment has unexpected format
Definition: map.api:433
nsh.h
MAX_METADATA_LEN
#define MAX_METADATA_LEN
Definition: nsh.h:32
nsh_add_del_proxy_session
int nsh_add_del_proxy_session(nsh_add_del_map_args_t *a)
Action function to add or del an nsh-proxy-session.
Definition: nsh_api.c:447
u32
unsigned int u32
Definition: types.h:88
nsh_entry_t::rewrite
u8 * rewrite
Rewrite string.
Definition: nsh.h:50
pool_elts
static uword pool_elts(void *v)
Number of active elements in a pool.
Definition: pool.h:127
nm
nat44_ei_main_t * nm
Definition: nat44_ei_hairpinning.c:413
NSH_NSP_MASK
#define NSH_NSP_MASK
Definition: nsh_packet.h:113
length
char const int length
Definition: cJSON.h:163
adj_index_t
u32 adj_index_t
An index for adjacencies.
Definition: adj_types.h:30
NSH_MD2_IOAM_CLASS
#define NSH_MD2_IOAM_CLASS
Definition: nsh.h:244
clib_memset
clib_memset(h->entries, 0, sizeof(h->entries[0]) *entries)
vlib_main_t
Definition: main.h:102
vlib_node_t
Definition: node.h:247
u8
unsigned char u8
Definition: types.h:56
clib_error_t
Definition: clib_error.h:21
a
a
Definition: bitmap.h:544
unformat_nsh_action
static uword unformat_nsh_action(unformat_input_t *input, va_list *args)
Definition: nsh_cli.c:37
nsh_get_adj_by_sw_if_index
static adj_index_t nsh_get_adj_by_sw_if_index(u32 sw_if_index)
Definition: nsh_cli.c:139
nsh_entry_t::rewrite_size
u8 rewrite_size
Definition: nsh.h:51
NSH_O_BIT
#define NSH_O_BIT
Definition: nsh_packet.h:104
rv
int __clib_unused rv
Definition: application.c:491
format_nsh_action
static u8 * format_nsh_action(u8 *s, va_list *args)
Definition: nsh_cli.c:57
NSH_NSP_SHIFT
#define NSH_NSP_SHIFT
Definition: nsh_packet.h:114
nsh_option_map_t
Definition: nsh.h:28
vnet.h
vlib_cli_command_t
Definition: cli.h:92
sw_if_index
vl_api_interface_index_t sw_if_index
Definition: wireguard.api:34
UNFORMAT_END_OF_INPUT
#define UNFORMAT_END_OF_INPUT
Definition: format.h:137
NSH_ACTION_SWAP
@ NSH_ACTION_SWAP
Definition: nsh.h:229