FD.io VPP  v17.04.2-2-ga8f93f8
Vector Packet Processing
lisp_types.c
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1 /*
2  * Copyright (c) 2016 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 
17 
18 static u16 gid_address_put_no_vni (u8 * b, gid_address_t * gid);
21 
22 u32 mac_parse (u8 * offset, u8 * a);
23 
24 typedef u16 (*size_to_write_fct) (void *);
25 typedef void *(*cast_fct) (gid_address_t *);
26 typedef u16 (*serdes_fct) (u8 *, void *);
27 typedef u8 (*addr_len_fct) (void *);
28 typedef void (*copy_fct) (void *, void *);
29 typedef void (*free_fct) (void *);
30 typedef int (*cmp_fct) (void *, void *);
31 
35 };
44 
45 #define foreach_lcaf_type \
46  _(1, no_addr) \
47  _(0, NULL) \
48  _(1, vni) \
49  _(0, NULL) \
50  _(0, NULL) \
51  _(0, NULL) \
52  _(0, NULL) \
53  _(0, NULL) \
54  _(0, NULL) \
55  _(0, NULL) \
56  _(0, NULL) \
57  _(0, NULL) \
58  _(1, sd)
59 
60 #define _(cond, name) \
61  u16 name ## _write (u8 * p, void * a); \
62  u16 name ## _parse (u8 * p, void * a); \
63  u16 name ## _size_to_write (void * a); \
64  void name ## _free (void * a); \
65  void name ## _copy (void * dst, void * src); \
66  u8 name ## _length (void * a); \
67  int name ## _cmp (void *, void *);
69 #undef _
70 #define CONCAT(a,b) a##_##b
71 #define IF(c, t, e) CONCAT(IF, c)(t, e)
72 #define IF_0(t, e) e
73 #define IF_1(t, e) t
74 #define EXPAND_FCN(cond, fcn) \
75  IF(cond, fcn, NULL)
77 {
78 #define _(cond, name) \
79  EXPAND_FCN(cond, name##_cmp),
81 #undef _
82 };
83 
85 #define _(cond, name) \
86  EXPAND_FCN(cond, name##_length),
88 #undef _
89 };
90 
92 #define _(cond, name) \
93  EXPAND_FCN(cond, name##_copy),
95 #undef _
96 };
97 
99 #define _(cond, name) \
100  EXPAND_FCN(cond, name##_free),
102 #undef _
103 };
104 
106 #define _(cond, name) \
107  EXPAND_FCN(cond, name##_size_to_write),
109 #undef _
110 };
111 
113 #define _(cond, name) \
114  EXPAND_FCN(cond, name##_write),
116 #undef _
117 };
118 
120 #define _(cond, name) \
121  EXPAND_FCN(cond, name##_parse),
123 #undef _
124 };
125 
126 u8 *
127 format_ip_address (u8 * s, va_list * args)
128 {
129  ip_address_t *a = va_arg (*args, ip_address_t *);
130  u8 ver = ip_addr_version (a);
131  if (ver == IP4)
132  {
133  return format (s, "%U", format_ip4_address, &ip_addr_v4 (a));
134  }
135  else if (ver == IP6)
136  {
137  return format (s, "%U", format_ip6_address, &ip_addr_v6 (a));
138  }
139  else
140  {
141  clib_warning ("Can't format IP version %d!", ver);
142  return 0;
143  }
144 }
145 
146 uword
147 unformat_ip_address (unformat_input_t * input, va_list * args)
148 {
149  ip_address_t *a = va_arg (*args, ip_address_t *);
150 
151  memset (a, 0, sizeof (*a));
152  if (unformat (input, "%U", unformat_ip4_address, &ip_addr_v4 (a)))
153  ip_addr_version (a) = IP4;
154  else if (unformat_user (input, unformat_ip6_address, &ip_addr_v6 (a)))
155  ip_addr_version (a) = IP6;
156  else
157  return 0;
158  return 1;
159 }
160 
161 u8 *
162 format_ip_prefix (u8 * s, va_list * args)
163 {
164  ip_prefix_t *a = va_arg (*args, ip_prefix_t *);
165  return format (s, "%U/%d", format_ip_address, &ip_prefix_addr (a),
166  ip_prefix_len (a));
167 }
168 
169 uword
170 unformat_ip_prefix (unformat_input_t * input, va_list * args)
171 {
172  ip_prefix_t *a = va_arg (*args, ip_prefix_t *);
173  if (unformat (input, "%U/%d", unformat_ip_address, &ip_prefix_addr (a),
174  &ip_prefix_len (a)))
175  {
176  if ((ip_prefix_version (a) == IP4 && 32 < ip_prefix_len (a)) ||
177  (ip_prefix_version (a) == IP6 && 128 < ip_prefix_length (a)))
178  {
179  clib_warning ("Prefix length to big: %d!", ip_prefix_len (a));
180  return 0;
181  }
183  }
184  else
185  return 0;
186  return 1;
187 }
188 
189 uword
190 unformat_mac_address (unformat_input_t * input, va_list * args)
191 {
192  u8 *a = va_arg (*args, u8 *);
193  return unformat (input, "%x:%x:%x:%x:%x:%x", &a[0], &a[1], &a[2], &a[3],
194  &a[4], &a[5]);
195 }
196 
197 u8 *
198 format_mac_address (u8 * s, va_list * args)
199 {
200  u8 *a = va_arg (*args, u8 *);
201  return format (s, "%02x:%02x:%02x:%02x:%02x:%02x",
202  a[0], a[1], a[2], a[3], a[4], a[5]);
203 }
204 
205 uword
206 unformat_nsh_address (unformat_input_t * input, va_list * args)
207 {
208  nsh_t *a = va_arg (*args, nsh_t *);
209  return unformat (input, "SPI:%d SI:%d", &a->spi, &a->si);
210 }
211 
212 u8 *
213 format_nsh_address (u8 * s, va_list * args)
214 {
215  nsh_t *a = va_arg (*args, nsh_t *);
216  return format (s, "SPI:%d SI:%d", a->spi, a->si);
217 }
218 
219 u8 *
220 format_fid_address (u8 * s, va_list * args)
221 {
222  fid_address_t *a = va_arg (*args, fid_address_t *);
223 
224  switch (fid_addr_type (a))
225  {
226  case FID_ADDR_IP_PREF:
227  return format (s, "%U", format_ip_prefix, &fid_addr_ippref (a));
228  case FID_ADDR_MAC:
229  return format (s, "%U", format_mac_address, &fid_addr_mac (a));
230  case FID_ADDR_NSH:
231  return format (s, "%U", format_nsh_address, &fid_addr_nsh (a));
232 
233  default:
234  clib_warning ("Can't format fid address type %d!", fid_addr_type (a));
235  return 0;
236  }
237  return 0;
238 }
239 
240 u8 *
241 format_gid_address (u8 * s, va_list * args)
242 {
243  gid_address_t *a = va_arg (*args, gid_address_t *);
244  u8 type = gid_address_type (a);
245  switch (type)
246  {
247  case GID_ADDR_IP_PREFIX:
248  return format (s, "[%d] %U", gid_address_vni (a), format_ip_prefix,
249  &gid_address_ippref (a));
250  case GID_ADDR_SRC_DST:
251  return format (s, "[%d] %U|%U", gid_address_vni (a),
254  case GID_ADDR_MAC:
255  return format (s, "[%d] %U", gid_address_vni (a), format_mac_address,
256  &gid_address_mac (a));
257  case GID_ADDR_NSH:
258  return format (s, "%U", format_nsh_address, &gid_address_nsh (a));
259  default:
260  clib_warning ("Can't format gid type %d", type);
261  return 0;
262  }
263  return 0;
264 }
265 
266 uword
268 {
269  fid_address_t *a = va_arg (*args, fid_address_t *);
270  ip_prefix_t ippref;
271  u8 mac[6] = { 0 };
272  nsh_t nsh;
273 
274  if (unformat (i, "%U", unformat_ip_prefix, &ippref))
275  {
277  ip_prefix_copy (&fid_addr_ippref (a), &ippref);
278  }
279  else if (unformat (i, "%U", unformat_mac_address, mac))
280  {
282  mac_copy (fid_addr_mac (a), mac);
283  }
284  else if (unformat (i, "%U", unformat_nsh_address, &nsh))
285  {
287  nsh_copy (&fid_addr_nsh (a), mac);
288  }
289  else
290  return 0;
291 
292  return 1;
293 }
294 
295 uword
296 unformat_hmac_key_id (unformat_input_t * input, va_list * args)
297 {
298  u32 *key_id = va_arg (*args, u32 *);
299  u8 *s = 0;
300 
301  if (unformat (input, "%s", &s))
302  {
303  if (!strcmp ((char *) s, "sha1"))
304  key_id[0] = HMAC_SHA_1_96;
305  else if (!strcmp ((char *) s, "sha256"))
306  key_id[0] = HMAC_SHA_256_128;
307  else
308  {
309  clib_warning ("invalid key_id: '%s'", s);
310  key_id[0] = HMAC_NO_KEY;
311  }
312  }
313  else
314  return 0;
315 
316  vec_free (s);
317  return 1;
318 }
319 
320 uword
321 unformat_gid_address (unformat_input_t * input, va_list * args)
322 {
323  gid_address_t *a = va_arg (*args, gid_address_t *);
324  u8 mac[6] = { 0 };
325  ip_prefix_t ippref;
326  fid_address_t sim1, sim2;
327  nsh_t nsh;
328 
329  memset (&ippref, 0, sizeof (ippref));
330  memset (&sim1, 0, sizeof (sim1));
331  memset (&sim2, 0, sizeof (sim2));
332 
333  if (unformat (input, "%U|%U", unformat_fid_address, &sim1,
334  unformat_fid_address, &sim2))
335  {
336  gid_address_sd_src (a) = sim1;
337  gid_address_sd_dst (a) = sim2;
339  }
340  else if (unformat (input, "%U", unformat_ip_prefix, &ippref))
341  {
342  ip_prefix_copy (&gid_address_ippref (a), &ippref);
344  }
345  else if (unformat (input, "%U", unformat_mac_address, mac))
346  {
347  mac_copy (gid_address_mac (a), mac);
349  }
350  else if (unformat (input, "%U", unformat_nsh_address, &nsh))
351  {
352  nsh_copy (&gid_address_nsh (a), &nsh);
354  }
355  else
356  return 0;
357 
358  return 1;
359 }
360 
361 uword
363 {
364  u32 *action = va_arg (*args, u32 *);
365  u8 *s = 0;
366 
367  if (unformat (input, "%s", &s))
368  {
369  if (!strcmp ((char *) s, "no-action"))
370  action[0] = LISP_NO_ACTION;
371  else if (!strcmp ((char *) s, "natively-forward"))
372  action[0] = LISP_FORWARD_NATIVE;
373  else if (!strcmp ((char *) s, "send-map-request"))
374  action[0] = LISP_SEND_MAP_REQUEST;
375  else if (!strcmp ((char *) s, "drop"))
376  action[0] = LISP_DROP;
377  else
378  {
379  clib_warning ("invalid action: '%s'", s);
380  action[0] = LISP_DROP;
381  }
382  }
383  else
384  return 0;
385 
386  vec_free (s);
387  return 1;
388 }
389 
390 u8 *
391 format_hmac_key_id (u8 * s, va_list * args)
392 {
393  lisp_key_type_t key_id = va_arg (*args, lisp_key_type_t);
394 
395  switch (key_id)
396  {
397  case HMAC_SHA_1_96:
398  return format (0, "sha1");
399  case HMAC_SHA_256_128:
400  return format (0, "sha256");
401  default:
402  return 0;
403  }
404 
405  return 0;
406 }
407 
408 u8 *
409 format_negative_mapping_action (u8 * s, va_list * args)
410 {
411  lisp_action_e action = va_arg (*args, lisp_action_e);
412 
413  switch (action)
414  {
415  case LISP_NO_ACTION:
416  s = format (s, "no-action");
417  break;
418  case LISP_FORWARD_NATIVE:
419  s = format (s, "natively-forward");
420  break;
422  s = format (s, "send-map-request");
423  break;
424  case LISP_DROP:
425  default:
426  s = format (s, "drop");
427  break;
428  }
429  return (s);
430 }
431 
432 u16
433 ip_address_size (const ip_address_t * a)
434 {
435  switch (ip_addr_version (a))
436  {
437  case IP4:
438  return sizeof (ip4_address_t);
439  break;
440  case IP6:
441  return sizeof (ip6_address_t);
442  break;
443  }
444  return 0;
445 }
446 
447 u16
449 {
450  switch (ver)
451  {
452  case IP4:
453  return sizeof (ip4_address_t);
454  break;
455  case IP6:
456  return sizeof (ip6_address_t);
457  break;
458  }
459  return 0;
460 }
461 
462 u8
464 {
465  switch (ver)
466  {
467  case IP4:
468  return 32;
469  break;
470  case IP6:
471  return 128;
472  break;
473  }
474  return 0;
475 }
476 
479 {
480  switch (version)
481  {
482  case IP4:
483  return LISP_AFI_IP;
484  case IP6:
485  return LISP_AFI_IP6;
486  default:
487  return 0;
488  }
489  return 0;
490 }
491 
494 {
495  switch (afi)
496  {
497  case LISP_AFI_IP:
498  return IP4;
499  case LISP_AFI_IP6:
500  return IP6;
501  default:
502  return 0;
503  }
504  return 0;
505 }
506 
507 u16
508 ip_address_size_to_write (ip_address_t * a)
509 {
510  return ip_address_size (a) + sizeof (u16);
511 }
512 
513 u16
514 ip_address_iana_afi (ip_address_t * a)
515 {
517 }
518 
519 u8
521 {
522  return version == IP4 ? 32 : 128;
523 }
524 
525 u16
527 {
528  // return sizeof(u16) + sizeof (ip4_address_t);
529  return 6;
530 }
531 
532 u16
534 {
535  //return sizeof(u16) + sizeof (ip6_address_t);
536  return 18;
537 }
538 
539 u32
541 {
542  *(u16 *) b = clib_host_to_net_u16 (ip_version_to_iana_afi (IP4));
543  u8 *p = b + sizeof (u16);
544  clib_memcpy (p, a, sizeof (*a));
545  return ip4_address_size_to_put ();
546 }
547 
548 u32
550 {
551  *(u16 *) b = clib_host_to_net_u16 (ip_version_to_iana_afi (IP6));
552  u8 *p = b + sizeof (u16);
553  clib_memcpy (p, a, sizeof (*a));
554  return ip6_address_size_to_put ();
555 }
556 
557 u32
558 ip_address_put (u8 * b, ip_address_t * a)
559 {
560  u32 len = ip_address_size (a);
561  *(u16 *) b = clib_host_to_net_u16 (ip_address_iana_afi (a));
562  u8 *p = b + sizeof (u16);
563  clib_memcpy (p, &ip_addr_addr (a), len);
564  return (len + sizeof (u16));
565 }
566 
567 u32
568 ip_address_parse (void *offset, u16 iana_afi, ip_address_t * dst)
569 {
570  ip_addr_version (dst) = ip_iana_afi_to_version (iana_afi);
572  clib_memcpy (&ip_addr_addr (dst), offset + sizeof (u16), size);
573  return (sizeof (u16) + size);
574 }
575 
576 void
578 {
579  switch (gid_address_type (g))
580  {
581  case GID_ADDR_SRC_DST:
582  switch (gid_address_sd_dst_type (g))
583  {
584  case FID_ADDR_IP_PREF:
586  d->type = FID_ADDR_IP_PREF;
587  break;
588  case FID_ADDR_MAC:
589  mac_copy (&d->mac, &gid_address_sd_dst_mac (g));
590  d->type = FID_ADDR_MAC;
591  break;
592  default:
593  clib_warning ("Source/Dest address type %d not supported!",
595  break;
596  }
597  break;
598  case GID_ADDR_IP_PREFIX:
600  d->type = FID_ADDR_IP_PREF;
601  break;
602  case GID_ADDR_MAC:
603  mac_copy (&d->mac, &gid_address_mac (g));
604  d->type = FID_ADDR_MAC;
605  break;
606  case GID_ADDR_NSH:
607  default:
608  d->nsh = gid_address_nsh (g).spi << 8 | gid_address_nsh (g).si;
609  d->type = FID_ADDR_NSH;
610  break;
611  }
612 }
613 
614 u32
615 lcaf_hdr_parse (void *offset, lcaf_t * lcaf)
616 {
617  lcaf_hdr_t *lh = offset;
618  lcaf->type = lh->type;
619 
620  /* this is a bit of hack: since the LCAF Instance ID is the
621  only message that uses reserved2 field, we can set it here.
622  If any LCAF format starts using reserved2 field as well this needs
623  to be moved elsewhere */
624  lcaf_vni_len (lcaf) = lh->reserved2;
625 
626  return sizeof (lh[0]);
627 }
628 
629 static u8
631 {
632  switch (type)
633  {
634  case LISP_AFI_IP:
635  case LISP_AFI_IP6:
636  return FID_ADDR_IP_PREF;
637 
638  case LISP_AFI_MAC:
639  return FID_ADDR_MAC;
640  }
641  return ~0;
642 }
643 
644 static u16
646 {
647  u16 afi = clib_net_to_host_u16 (*(u16 *) p);
649  ip_address_t *ip_addr = &ip_prefix_addr (&fid_addr_ippref (a));
650 
651  switch (fid_addr_type (a))
652  {
653  case FID_ADDR_MAC:
654  return mac_parse (p, fid_addr_mac (a));
655 
656  case FID_ADDR_IP_PREF:
657  return ip_address_parse (p, afi, ip_addr);
658 
659  case FID_ADDR_NSH:
660  ASSERT (0);
661  break;
662  }
663  return ~0;
664 }
665 
666 u16
667 sd_parse (u8 * p, void *a)
668 {
669  lcaf_src_dst_hdr_t *sd_hdr;
670  gid_address_t *g = a;
671  u16 size = 0;
672  fid_address_t *src = &gid_address_sd_src (g);
673  fid_address_t *dst = &gid_address_sd_dst (g);
674 
676 
677  sd_hdr = (lcaf_src_dst_hdr_t *) (p + size);
678  size += sizeof (sd_hdr[0]);
679 
680  size += fid_addr_parse (p + size, src);
681  size += fid_addr_parse (p + size, dst);
682 
683  if (fid_addr_type (src) == FID_ADDR_IP_PREF)
684  {
685  ip_prefix_t *ippref = &fid_addr_ippref (src);
686  ip_prefix_len (ippref) = LCAF_SD_SRC_ML (sd_hdr);
687  }
688  if (fid_addr_type (dst) == FID_ADDR_IP_PREF)
689  {
690  ip_prefix_t *ippref = &fid_addr_ippref (dst);
691  ip_prefix_len (ippref) = LCAF_SD_DST_ML (sd_hdr);
692  }
693  return size;
694 }
695 
696 u16
698 {
699  lcaf_t lcaf;
700  u16 size = sizeof (u16); /* skip AFI */
701 
702  size += lcaf_hdr_parse (p + size, &lcaf);
703 
704  if (LCAF_SOURCE_DEST != lcaf_type (&lcaf))
705  return ~0;
706 
707  size += sd_parse (p + size, a);
708  return size;
709 }
710 
711 u16
712 vni_parse (u8 * p, void *a)
713 {
714  lcaf_t *lcaf = a;
715  gid_address_t *g = a;
716  u16 size = 0;
717 
718  gid_address_vni (g) = clib_net_to_host_u32 (*(u32 *) p);
719  size += sizeof (u32);
720  gid_address_vni_mask (g) = lcaf_vni_len (lcaf);
721 
722  /* nested LCAFs are not supported except of src/dst with vni - to handle
723  * such case look at the next AFI and process src/dest LCAF separately */
724  u16 afi = clib_net_to_host_u16 (*((u16 *) (p + size)));
725  if (LISP_AFI_LCAF == afi)
726  {
727  u16 len = try_parse_src_dst_lcaf (p + size, g);
728  if ((u16) ~ 0 == len)
729  return ~0;
730  size += len;
731  }
732  else
733  size += gid_address_parse (p + size, g);
734 
735  return size;
736 }
737 
738 u16
739 no_addr_parse (u8 * p, void *a)
740 {
741  /* do nothing */
742  return 0;
743 }
744 
745 u32
747 {
748  /* skip AFI type */
749  offset += sizeof (u16);
750  lcaf_t *lcaf = &gid_address_lcaf (addr);
751 
752  u32 size = lcaf_hdr_parse (offset, lcaf);
753  u8 type = lcaf_type (lcaf);
754 
755  if (!lcaf_parse_fcts[type])
756  {
757  clib_warning ("Unsupported LCAF type: %u", type);
758  return ~0;
759  }
760  size += (*lcaf_parse_fcts[type]) (offset + size, lcaf);
761  return sizeof (u16) + size;
762 }
763 
764 void
765 vni_free (void *a)
766 {
767  vni_t *v = a;
769  clib_mem_free (vni_gid (v));
770 }
771 
772 void
774 {
775  /* nothing to do */
776 }
777 
778 void
779 sd_free (void *a)
780 {
781  /* nothing */
782 }
783 
784 void
786 {
787  if (gid_address_type (a) != GID_ADDR_LCAF)
788  return;
789 
790  lcaf_t *lcaf = &gid_address_lcaf (a);
791  u8 lcaf_type = lcaf_type (lcaf);
792  (*lcaf_free_fcts[lcaf_type]) (lcaf);
793 }
794 
795 void
796 gid_address_from_ip (gid_address_t * g, ip_address_t * ip)
797 {
798  memset (g, 0, sizeof (g[0]));
800  gid_address_ippref_len (g) = 32;
801 }
802 
803 int
804 ip_address_cmp (const ip_address_t * ip1, const ip_address_t * ip2)
805 {
806  int res = 0;
807  if (ip_addr_version (ip1) != ip_addr_version (ip2))
808  return -1;
809  res =
810  memcmp (&ip_addr_addr (ip1), &ip_addr_addr (ip2), ip_address_size (ip1));
811 
812  if (res < 0)
813  res = 2;
814  else if (res > 0)
815  res = 1;
816 
817  return res;
818 }
819 
820 void
821 ip_address_copy (ip_address_t * dst, const ip_address_t * src)
822 {
823  if (IP4 == ip_addr_version (src))
824  {
825  /* don't copy any garbe from the union */
826  memset (dst, 0, sizeof (*dst));
827  dst->ip.v4 = src->ip.v4;
828  dst->version = IP4;
829  }
830  else
831  {
832  clib_memcpy (dst, src, sizeof (ip_address_t));
833  }
834 }
835 
836 void
837 ip_address_copy_addr (void *dst, const ip_address_t * src)
838 {
839  clib_memcpy (dst, src, ip_address_size (src));
840 }
841 
842 void
843 ip_address_set (ip_address_t * dst, const void *src, u8 version)
844 {
845  clib_memcpy (dst, src, ip_version_to_size (version));
846  ip_addr_version (dst) = version;
847 }
848 
849 void
850 ip_address_to_46 (const ip_address_t * addr,
851  ip46_address_t * a, fib_protocol_t * proto)
852 {
853  *proto = (IP4 == ip_addr_version (addr) ?
855  switch (*proto)
856  {
857  case FIB_PROTOCOL_IP4:
858  ip46_address_set_ip4 (a, &addr->ip.v4);
859  break;
860  case FIB_PROTOCOL_IP6:
861  a->ip6 = addr->ip.v6;
862  break;
863  default:
864  ASSERT (0);
865  break;
866  }
867 }
868 
869 static void
871 {
872  u32 mask = ~0;
873 
874  ASSERT (ip4);
875 
876  if (32 <= preflen)
877  {
878  return;
879  }
880 
881  mask = pow2_mask (preflen) << (32 - preflen);
882  mask = clib_host_to_net_u32 (mask);
883  ip4->data_u32 &= mask;
884 }
885 
886 static void
888 {
889  u8 mask_6[16];
890  u32 *m;
891  u8 j, i0, i1;
892 
893  ASSERT (ip6);
894 
895  memset (mask_6, 0, sizeof (mask_6));
896 
897  if (128 <= preflen)
898  {
899  return;
900  }
901 
902  i1 = preflen % 32;
903  i0 = preflen / 32;
904  m = (u32 *) & mask_6[0];
905 
906  for (j = 0; j < i0; j++)
907  {
908  m[j] = ~0;
909  }
910 
911  if (i1)
912  {
913  m[i0] = clib_host_to_net_u32 (pow2_mask (i1) << (32 - i1));
914  }
915 
916  for (j = 0; j < sizeof (mask_6); j++)
917  {
918  ip6->as_u8[j] &= mask_6[j];
919  }
920 }
921 
922 void
923 ip_prefix_normalize (ip_prefix_t * a)
924 {
925  u8 preflen = ip_prefix_len (a);
926 
927  switch (ip_prefix_version (a))
928  {
929  case IP4:
930  ip_prefix_normalize_ip4 (&ip_prefix_v4 (a), preflen);
931  break;
932 
933  case IP6:
934  ip_prefix_normalize_ip6 (&ip_prefix_v6 (a), preflen);
935  break;
936 
937  default:
938  ASSERT (0);
939  }
940 }
941 
942 void *
944 {
945  return &gid_address_ippref (a);
946 }
947 
948 u16
950 {
951  ip_prefix_t *a = (ip_prefix_t *) pref;
953 }
954 
955 u16
956 ip_prefix_write (u8 * p, void *gid)
957 {
958  gid_address_t *g = gid;
959  ip_prefix_t *a = &gid_address_ippref (g);
960 
961  switch (ip_prefix_version (a))
962  {
963  case IP4:
964  return ip4_address_put (p, &ip_prefix_v4 (a));
965  break;
966  case IP6:
967  return ip6_address_put (p, &ip_prefix_v6 (a));
968  break;
969  }
970  return 0;
971 }
972 
973 u8
975 {
976  return ip_prefix_len ((ip_prefix_t *) a);
977 }
978 
979 void
980 ip_prefix_copy (void *dst, void *src)
981 {
982  clib_memcpy (dst, src, sizeof (ip_prefix_t));
983 }
984 
985 void
986 mac_copy (void *dst, void *src)
987 {
988  clib_memcpy (dst, src, 6);
989 }
990 
991 void
992 sd_copy (void *dst, void *src)
993 {
994  clib_memcpy (dst, src, sizeof (source_dest_t));
995 }
996 
997 void
998 nsh_copy (void *dst, void *src)
999 {
1000  clib_memcpy (dst, src, sizeof (nsh_t));
1001 }
1002 
1003 int
1004 ip_prefix_cmp (ip_prefix_t * p1, ip_prefix_t * p2)
1005 {
1006  int cmp = 0;
1007 
1008  ip_prefix_normalize (p1);
1009  ip_prefix_normalize (p2);
1010 
1011  cmp = ip_address_cmp (&ip_prefix_addr (p1), &ip_prefix_addr (p2));
1012  if (cmp == 0)
1013  {
1014  if (ip_prefix_len (p1) < ip_prefix_len (p2))
1015  {
1016  cmp = 1;
1017  }
1018  else
1019  {
1020  if (ip_prefix_len (p1) > ip_prefix_len (p2))
1021  cmp = 2;
1022  }
1023  }
1024  return cmp;
1025 }
1026 
1027 void
1028 no_addr_copy (void *dst, void *src)
1029 {
1030  /* nothing to do */
1031 }
1032 
1033 void
1034 vni_copy (void *dst, void *src)
1035 {
1036  vni_t *vd = dst;
1037  vni_t *vs = src;
1038 
1039  clib_memcpy (vd, vs, sizeof (vd[0]));
1040  vni_gid (vd) = clib_mem_alloc (sizeof (gid_address_t));
1041  gid_address_copy (vni_gid (vd), vni_gid (vs));
1042 }
1043 
1044 void
1045 lcaf_copy (void *dst, void *src)
1046 {
1047  lcaf_t *lcaf_dst = dst;
1048  lcaf_t *lcaf_src = src;
1049 
1050  lcaf_type (lcaf_dst) = lcaf_type (lcaf_src);
1051  (*lcaf_copy_fcts[lcaf_type (lcaf_src)]) (dst, src);
1052 }
1053 
1054 u8
1056 {
1057  return 0;
1058 }
1059 
1060 u8
1061 mac_length (void *a)
1062 {
1063  return 0;
1064 }
1065 
1066 u8
1067 sd_length (void *a)
1068 {
1069  return 0;
1070 }
1071 
1072 u8
1073 nsh_length (void *a)
1074 {
1075  return 0;
1076 }
1077 
1078 void *
1080 {
1081  return &gid_address_lcaf (a);
1082 }
1083 
1084 void *
1086 {
1087  return &gid_address_mac (a);
1088 }
1089 
1090 void *
1092 {
1093  return &gid_address_sd (a);
1094 }
1095 
1096 void *
1098 {
1099  return &gid_address_nsh (a);
1100 }
1101 
1102 u8
1104 {
1105  return 0;
1106 }
1107 
1108 u8
1109 vni_length (void *a)
1110 {
1111  vni_t *v = a;
1112  return (sizeof (u32) /* VNI size */
1113  + gid_address_size_to_put (vni_gid (v)) /* vni body size */ );
1114 }
1115 
1116 u16
1117 lcaf_write (u8 * p, void *a)
1118 {
1119  u16 size = 0, len;
1120  lcaf_t *lcaf = a;
1121  u8 type = lcaf_type (lcaf);
1122  lcaf_hdr_t _h, *h = &_h;
1123 
1124  *(u16 *) p = clib_host_to_net_u16 (LISP_AFI_LCAF);
1125  size += sizeof (u16);
1126  memset (h, 0, sizeof (h[0]));
1127  LCAF_TYPE (h) = type;
1128  u16 lcaf_len = (*lcaf_body_length_fcts[type]) (lcaf);
1129  LCAF_LENGTH (h) = clib_host_to_net_u16 (lcaf_len);
1130 
1131  clib_memcpy (p + size, h, sizeof (h[0]));
1132  size += sizeof (h[0]);
1133  len = (*lcaf_write_fcts[type]) (p + size, lcaf);
1134 
1135  if ((u16) ~ 0 == len)
1136  return ~0;
1137 
1138  return size + len;
1139 }
1140 
1141 u16
1142 mac_write (u8 * p, void *a)
1143 {
1144  *(u16 *) p = clib_host_to_net_u16 (LISP_AFI_MAC);
1145  clib_memcpy (p + sizeof (u16), a, 6);
1146  return mac_size_to_write (a);
1147 }
1148 
1149 static u16
1151 {
1152  switch (fid_addr_type (a))
1153  {
1154  case FID_ADDR_IP_PREF:
1155  return ip_prefix_write (p, &fid_addr_ippref (a));
1156 
1157  case FID_ADDR_MAC:
1158  return mac_write (p, &fid_addr_mac (a));
1159 
1160  default:
1161  return ~0;
1162  }
1163  return ~0;
1164 }
1165 
1166 static u8
1168 {
1169  switch (fid_addr_type (a))
1170  {
1171  case FID_ADDR_IP_PREF:
1172  return ip_prefix_length (&fid_addr_ippref (a));
1173  case FID_ADDR_MAC:
1174  return 0;
1175  case FID_ADDR_NSH:
1176  return 0;
1177  }
1178  return 0;
1179 }
1180 
1181 u16
1182 sd_write (u8 * p, void *a)
1183 {
1184  source_dest_t *sd = a;
1185  u16 size = 0;
1186  lcaf_hdr_t _h, *h = &_h;
1187  lcaf_src_dst_hdr_t sd_hdr;
1188 
1189  *(u16 *) p = clib_host_to_net_u16 (LISP_AFI_LCAF);
1190  size += sizeof (u16);
1191  memset (h, 0, sizeof (h[0]));
1193  u16 lcaf_len = sizeof (lcaf_src_dst_hdr_t)
1194  + fid_addr_size_to_write (&sd_src (sd))
1195  + fid_addr_size_to_write (&sd_dst (sd));
1196  LCAF_LENGTH (h) = clib_host_to_net_u16 (lcaf_len);
1197 
1198  clib_memcpy (p + size, h, sizeof (h[0]));
1199  size += sizeof (h[0]);
1200 
1201  memset (&sd_hdr, 0, sizeof (sd_hdr));
1202  LCAF_SD_SRC_ML (&sd_hdr) = fid_address_length (&sd_src (sd));
1203  LCAF_SD_DST_ML (&sd_hdr) = fid_address_length (&sd_dst (sd));
1204  clib_memcpy (p + size, &sd_hdr, sizeof (sd_hdr));
1205  size += sizeof (sd_hdr);
1206 
1207  u16 len = fid_addr_write (p + size, &sd_src (sd));
1208  if ((u16) ~ 0 == len)
1209  return ~0;
1210  size += len;
1211 
1212  len = fid_addr_write (p + size, &sd_dst (sd));
1213  if ((u16) ~ 0 == len)
1214  return ~0;
1215  size += len;
1216 
1217  return size;
1218 }
1219 
1220 u16
1221 nsh_write (u8 * p, void *a)
1222 {
1223  clib_warning ("not done");
1224  return 0;
1225 }
1226 
1227 u16
1228 vni_write (u8 * p, void *a)
1229 {
1230  lcaf_hdr_t _h, *h = &_h;
1231  gid_address_t *g = a;
1232  u16 size = 0, len;
1233 
1234  /* put lcaf header */
1235  *(u16 *) p = clib_host_to_net_u16 (LISP_AFI_LCAF);
1236  size += sizeof (u16);
1237  memset (h, 0, sizeof (h[0]));
1239  u16 lcaf_len = sizeof (u32) /* Instance ID size */
1241  LCAF_LENGTH (h) = clib_host_to_net_u16 (lcaf_len);
1242  LCAF_RES2 (h) = gid_address_vni_mask (g);
1243 
1244  /* put vni header */
1245  clib_memcpy (p + size, h, sizeof (h[0]));
1246  size += sizeof (h[0]);
1247 
1248  u32 *afip = (u32 *) (p + size);
1249  afip[0] = clib_host_to_net_u32 (gid_address_vni (g));
1250  size += sizeof (u32);
1251 
1253  /* write src/dst LCAF */
1254  {
1255  len = sd_write (p + size, g);
1256  if ((u16) ~ 0 == len)
1257  return ~0;
1258  }
1259  else
1260  /* write the actual address */
1261  len = gid_address_put_no_vni (p + size, g);
1262 
1263  if ((u16) ~ 0 == len)
1264  return ~0;
1265 
1266  return size + len;
1267 }
1268 
1269 u16
1270 no_addr_write (u8 * p, void *a)
1271 {
1272  /* do nothing; return AFI field size */
1273  return sizeof (u16);
1274 }
1275 
1276 u16
1278 {
1279  return sizeof (u16); /* AFI field length */
1280 }
1281 
1282 static u16
1284 {
1285  switch (fid_addr_type (a))
1286  {
1287  case FID_ADDR_IP_PREF:
1288  return ip_prefix_size_to_write (a);
1289 
1290  case FID_ADDR_MAC:
1291  return mac_size_to_write (a);
1292 
1293  default:
1294  break;
1295  }
1296  return 0;
1297 }
1298 
1299 u16
1301 {
1302  gid_address_t *g = a;
1303 
1304  u16 lcaf_size = sizeof (u32) + sizeof (u16) /* LCAF AFI field size */
1305  + sizeof (lcaf_hdr_t);
1306 
1308  /* special case where nested LCAF is supported */
1309  return lcaf_size + sd_size_to_write (g);
1310  else
1311  return lcaf_size + gid_address_size_to_put_no_vni (g);
1312 }
1313 
1314 u16
1316 {
1317  lcaf_t *lcaf = (lcaf_t *) a;
1318  u32 size = 0, len;
1319  u8 type = lcaf_type (lcaf);
1320 
1321  size += sizeof (u16); /* AFI size */
1322 
1323  len = (*lcaf_size_to_write_fcts[type]) (lcaf);
1324  if (~0 == len)
1325  return ~0;
1326 
1327  return size + len;
1328 }
1329 
1330 u16
1332 {
1333  source_dest_t *sd = a;
1334  return sizeof (u16)
1335  + sizeof (lcaf_hdr_t)
1336  + sizeof (lcaf_src_dst_hdr_t)
1337  + fid_addr_size_to_write (&sd_src (sd))
1338  + fid_addr_size_to_write (&sd_dst (sd));
1339 }
1340 
1341 u16
1343 {
1344  return sizeof (u16) + 6;
1345 }
1346 
1347 u16
1349 {
1350  return sizeof (u16) + 4;
1351 }
1352 
1353 u8
1355 {
1357  return (*addr_len_fcts[type]) ((*cast_fcts[type]) (a));
1358 }
1359 
1360 static u16
1362 {
1363  gid_address_type_t type = gid_address_type (gid);
1364  return (*write_fcts[type]) (b, (*cast_fcts[type]) (gid));
1365 }
1366 
1367 u16
1369 {
1370  if (0 != gid_address_vni (gid))
1371  return vni_write (b, gid);
1372 
1373  return gid_address_put_no_vni (b, gid);
1374 }
1375 
1376 static u16
1378 {
1379  gid_address_type_t type = gid_address_type (gid);
1380  return (*size_to_write_fcts[type]) ((*cast_fcts[type]) (gid));
1381 }
1382 
1383 u16
1385 {
1386  if (0 != gid_address_vni (gid))
1387  return vni_size_to_write (gid);
1388 
1389  return gid_address_size_to_put_no_vni (gid);
1390 }
1391 
1392 void *
1394 {
1395  return (*cast_fcts[type]) (gid);
1396 }
1397 
1398 void
1400 {
1401  gid_address_type_t type = gid_address_type (src);
1402  (*copy_fcts[type]) ((*cast_fcts[type]) (dst), (*cast_fcts[type]) (src));
1403  gid_address_type (dst) = type;
1404  gid_address_vni (dst) = gid_address_vni (src);
1406 }
1407 
1408 u32
1410 {
1411  /* skip AFI field */
1412  offset += sizeof (u16);
1413 
1414  clib_memcpy (a, offset, 6);
1415  return sizeof (u16) + 6;
1416 }
1417 
1418 u32
1420 {
1421  lisp_afi_e afi;
1422  int len = 0;
1423 
1424  if (!a)
1425  return 0;
1426 
1427  /* NOTE: since gid_address_parse may be called by vni_parse, we can't 0
1428  * the gid address here */
1429  afi = clib_net_to_host_u16 (*((u16 *) offset));
1430 
1431  switch (afi)
1432  {
1433  case LISP_AFI_NO_ADDR:
1434  len = sizeof (u16);
1436  break;
1437  case LISP_AFI_IP:
1438  len = ip_address_parse (offset, afi, &gid_address_ip (a));
1440  /* this should be modified outside if needed */
1441  gid_address_ippref_len (a) = 32;
1442  break;
1443  case LISP_AFI_IP6:
1444  len = ip_address_parse (offset, afi, &gid_address_ip (a));
1446  /* this should be modified outside if needed */
1447  gid_address_ippref_len (a) = 128;
1448  break;
1449  case LISP_AFI_LCAF:
1451  len = lcaf_parse (offset, a);
1452  break;
1453  case LISP_AFI_MAC:
1454  len = mac_parse (offset, gid_address_mac (a));
1456  break;
1457  default:
1458  clib_warning ("LISP AFI %d not supported!", afi);
1459  return ~0;
1460  }
1461  return len;
1462 }
1463 
1464 void
1465 gid_address_ip_set (gid_address_t * dst, void *src, u8 version)
1466 {
1467  gid_address_ippref_len (dst) = ip_address_max_len (version);
1468  ip_address_set (&gid_address_ip (dst), src, version);
1469 }
1470 
1471 int
1472 no_addr_cmp (void *a1, void *a2)
1473 {
1474  return 0;
1475 }
1476 
1477 int
1478 vni_cmp (void *a1, void *a2)
1479 {
1480  vni_t *v1 = a1;
1481  vni_t *v2 = a2;
1482 
1483  if (vni_mask_len (v1) != vni_mask_len (v2))
1484  return -1;
1485  if (vni_vni (v1) != vni_vni (v2))
1486  return -1;
1487  return gid_address_cmp (vni_gid (v1), vni_gid (v2));
1488 }
1489 
1490 static int
1491 mac_cmp (void *a1, void *a2)
1492 {
1493  return memcmp (a1, a2, 6);
1494 }
1495 
1496 static int
1498 {
1499  if (fid_addr_type (a1) != fid_addr_type (a2))
1500  return -1;
1501 
1502  switch (fid_addr_type (a1))
1503  {
1504  case FID_ADDR_IP_PREF:
1505  return ip_prefix_cmp (&fid_addr_ippref (a1), &fid_addr_ippref (a2));
1506 
1507  case FID_ADDR_MAC:
1508  return mac_cmp (fid_addr_mac (a1), fid_addr_mac (a2));
1509 
1510  default:
1511  return -1;
1512  }
1513  return -1;
1514 }
1515 
1516 int
1517 sd_cmp (void *a1, void *a2)
1518 {
1519  source_dest_t *sd1 = a1;
1520  source_dest_t *sd2 = a2;
1521 
1522  if (fid_addr_cmp (&sd_dst (sd1), &sd_dst (sd2)))
1523  return -1;
1524  if (fid_addr_cmp (&sd_src (sd1), &sd_src (sd2)))
1525  return -1;
1526  return 0;
1527 }
1528 
1529 /* Compare two gid_address_t.
1530  * Returns:
1531  * -1: If they are from different afi
1532  * 0: Both address are the same
1533  * 1: Addr1 is bigger than addr2
1534  * 2: Addr2 is bigger than addr1
1535  */
1536 int
1538 {
1539  lcaf_t *lcaf1, *lcaf2;
1540  int cmp = -1;
1541  if (!a1 || !a2)
1542  return -1;
1543  if (gid_address_type (a1) != gid_address_type (a2))
1544  return -1;
1545  if (gid_address_vni (a1) != gid_address_vni (a2))
1546  return -1;
1547 
1548  /* TODO vni mask is not supported, disable comparing for now
1549  if (gid_address_vni_mask (a1) != gid_address_vni_mask (a2))
1550  return -1;
1551  */
1552 
1553  switch (gid_address_type (a1))
1554  {
1555  case GID_ADDR_NO_ADDRESS:
1556  if (a1 == a2)
1557  cmp = 0;
1558  else
1559  cmp = 2;
1560  break;
1561  case GID_ADDR_IP_PREFIX:
1562  cmp =
1564  break;
1565  case GID_ADDR_LCAF:
1566  lcaf1 = &gid_address_lcaf (a1);
1567  lcaf2 = &gid_address_lcaf (a2);
1568  if (lcaf_type (lcaf1) == lcaf_type (lcaf2))
1569  cmp = (*lcaf_cmp_fcts[lcaf_type (lcaf1)]) (lcaf1, lcaf2);
1570  break;
1571  case GID_ADDR_MAC:
1572  cmp = mac_cmp (gid_address_mac (a1), gid_address_mac (a2));
1573  break;
1574 
1575  case GID_ADDR_SRC_DST:
1576  cmp = sd_cmp (&gid_address_sd (a1), &gid_address_sd (a2));
1577  break;
1578  default:
1579  break;
1580  }
1581 
1582  return cmp;
1583 }
1584 
1585 u32
1586 locator_parse (void *b, locator_t * loc)
1587 {
1588  locator_hdr_t *h;
1589  u8 status = 1; /* locator up */
1590  int len;
1591 
1592  h = b;
1593  if (!LOC_REACHABLE (h) && LOC_LOCAL (h))
1594  status = 0;
1595 
1596  len = gid_address_parse (LOC_ADDR (h), &loc->address);
1597  if (len == ~0)
1598  return len;
1599 
1600  loc->state = status;
1601  loc->local = 0;
1602  loc->priority = LOC_PRIORITY (h);
1603  loc->weight = LOC_WEIGHT (h);
1604  loc->mpriority = LOC_MPRIORITY (h);
1605  loc->mweight = LOC_MWEIGHT (h);
1606 
1607  return sizeof (locator_hdr_t) + len;
1608 }
1609 
1610 void
1612 {
1613  /* TODO if gid become more complex, this will need to be changed! */
1614  clib_memcpy (dst, src, sizeof (*dst));
1615  if (!src->local)
1616  gid_address_copy (&dst->address, &src->address);
1617 }
1618 
1619 u32
1621 {
1622  u32 ret = 0;
1623  if ((ret = gid_address_cmp (&l1->address, &l2->address)) != 0)
1624  return 1;
1625 
1626  if (l1->priority != l2->priority)
1627  return 1;
1628  if (l1->weight != l2->weight)
1629  return 1;
1630  if (l1->mpriority != l2->mpriority)
1631  return 1;
1632  if (l1->mweight != l2->mweight)
1633  return 1;
1634  return 0;
1635 }
1636 
1637 void
1639 {
1640  if (!l->local)
1641  gid_address_free (&l->address);
1642 }
1643 
1644 void
1646 {
1647  memset (sd, 0, sizeof (*sd));
1649  gid_address_vni (sd) = gid_address_vni (dst);
1651 
1652  switch (gid_address_type (dst))
1653  {
1654  case GID_ADDR_IP_PREFIX:
1658  &gid_address_ippref (src));
1660  &gid_address_ippref (dst));
1661  break;
1662  case GID_ADDR_MAC:
1667  break;
1668  default:
1669  clib_warning ("Unsupported gid type %d while conversion!",
1670  gid_address_type (dst));
1671  break;
1672  }
1673 }
1674 
1675 /*
1676  * fd.io coding-style-patch-verification: ON
1677  *
1678  * Local Variables:
1679  * eval: (c-set-style "gnu")
1680  * End:
1681  */
#define ip_prefix_v4(_a)
Definition: lisp_types.h:74
size_to_write_fct size_to_write_fcts[GID_ADDR_TYPES]
Definition: lisp_types.c:32
void vni_copy(void *dst, void *src)
Definition: lisp_types.c:1034
static u16 gid_address_size_to_put_no_vni(gid_address_t *gid)
Definition: lisp_types.c:1377
u8 * format_hmac_key_id(u8 *s, va_list *args)
Definition: lisp_types.c:391
sll srl srl sll sra u16x4 i
Definition: vector_sse2.h:343
#define gid_address_type(_a)
Definition: lisp_types.h:241
cast_fct cast_fcts[GID_ADDR_TYPES]
Definition: lisp_types.c:38
u16 no_addr_parse(u8 *p, void *a)
Definition: lisp_types.c:739
a
Definition: bitmap.h:516
gid_address_type_t
Definition: lisp_types.h:84
addr_len_fct lcaf_body_length_fcts[LCAF_TYPES]
Definition: lisp_types.c:84
uword unformat_nsh_address(unformat_input_t *input, va_list *args)
Definition: lisp_types.c:206
static lisp_afi_e ip_version_to_iana_afi(u16 version)
Definition: lisp_types.c:478
static void ip_prefix_normalize_ip6(ip6_address_t *ip6, u8 preflen)
Definition: lisp_types.c:887
#define LCAF_TYPE(h)
void sd_copy(void *dst, void *src)
Definition: lisp_types.c:992
u8 as_u8[16]
Definition: ip6_packet.h:48
void * ip_prefix_cast(gid_address_t *a)
Definition: lisp_types.c:943
static int mac_cmp(void *a1, void *a2)
Definition: lisp_types.c:1491
#define LOC_LOCAL(h_)
u16 vni_parse(u8 *p, void *a)
Definition: lisp_types.c:712
u16 ip_prefix_write(u8 *p, void *gid)
Definition: lisp_types.c:956
u8 * format_nsh_address(u8 *s, va_list *args)
Definition: lisp_types.c:213
#define gid_address_sd_src_mac(_a)
Definition: lisp_types.h:254
#define fid_addr_nsh(_a)
Definition: lisp_types.h:132
#define ip_prefix_len(_a)
Definition: lisp_types.h:73
#define gid_address_sd(_a)
Definition: lisp_types.h:255
#define LOC_ADDR(h_)
uword unformat_ip_address(unformat_input_t *input, va_list *args)
Definition: lisp_types.c:147
int no_addr_cmp(void *a1, void *a2)
Definition: lisp_types.c:1472
#define gid_address_sd_src_ippref(_a)
Definition: lisp_types.h:252
u8 mpriority
Definition: lisp_types.h:299
uword unformat_user(unformat_input_t *input, unformat_function_t *func,...)
Definition: unformat.c:982
u16 sd_parse(u8 *p, void *a)
Definition: lisp_types.c:667
#define vni_vni(_a)
Definition: lisp_types.h:158
u8 * format(u8 *s, const char *fmt,...)
Definition: format.c:418
#define gid_address_lcaf(_a)
Definition: lisp_types.h:246
static u16 fid_addr_write(u8 *p, fid_address_t *a)
Definition: lisp_types.c:1150
#define gid_address_sd_dst_mac(_a)
Definition: lisp_types.h:253
int sd_cmp(void *a1, void *a2)
Definition: lisp_types.c:1517
void ip_address_copy(ip_address_t *dst, const ip_address_t *src)
Definition: lisp_types.c:821
#define LCAF_SD_DST_ML(_h)
void ip_address_set(ip_address_t *dst, const void *src, u8 version)
Definition: lisp_types.c:843
static void ip_prefix_normalize_ip4(ip4_address_t *ip4, u8 preflen)
Definition: lisp_types.c:870
void * sd_cast(gid_address_t *a)
Definition: lisp_types.c:1091
uword unformat_hmac_key_id(unformat_input_t *input, va_list *args)
Definition: lisp_types.c:296
#define ip_prefix_version(_a)
Definition: lisp_types.h:72
#define fid_addr_mac(_a)
Definition: lisp_types.h:131
void gid_address_from_ip(gid_address_t *g, ip_address_t *ip)
Definition: lisp_types.c:796
enum fib_protocol_t_ fib_protocol_t
Protocol Type.
void lcaf_copy(void *dst, void *src)
Definition: lisp_types.c:1045
#define LOC_REACHABLE(h_)
u16 nsh_write(u8 *p, void *a)
Definition: lisp_types.c:1221
ip_prefix_t ippref
Definition: lisp_types.h:119
void nsh_copy(void *dst, void *src)
Definition: lisp_types.c:998
uword unformat_negative_mapping_action(unformat_input_t *input, va_list *args)
Definition: lisp_types.c:362
serdes_fct lcaf_write_fcts[LCAF_TYPES]
Definition: lisp_types.c:112
u32 locator_parse(void *b, locator_t *loc)
Definition: lisp_types.c:1586
void * lcaf_cast(gid_address_t *a)
Definition: lisp_types.c:1079
#define LOC_MWEIGHT(h_)
format_function_t format_ip4_address
Definition: format.h:79
u16 gid_address_put(u8 *b, gid_address_t *gid)
Definition: lisp_types.c:1368
u16 gid_address_size_to_put(gid_address_t *gid)
Definition: lisp_types.c:1384
void no_addr_free(void *a)
Definition: lisp_types.c:773
unformat_function_t unformat_ip4_address
Definition: format.h:76
u32 spi
Definition: lisp_types.h:164
u16 nsh_size_to_write(void *a)
Definition: lisp_types.c:1348
u32 ip6_address_put(u8 *b, ip6_address_t *a)
Definition: lisp_types.c:549
u16 sd_size_to_write(void *a)
Definition: lisp_types.c:1331
u8 * format_mac_address(u8 *s, va_list *args)
Definition: lisp_types.c:198
free_fct lcaf_free_fcts[LCAF_TYPES]
Definition: lisp_types.c:98
#define always_inline
Definition: clib.h:84
static uword pow2_mask(uword x)
Definition: clib.h:257
void locator_copy(locator_t *dst, locator_t *src)
Definition: lisp_types.c:1611
int vni_cmp(void *a1, void *a2)
Definition: lisp_types.c:1478
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Definition: lisp_types.c:463
u32 ip_address_parse(void *offset, u16 iana_afi, ip_address_t *dst)
Definition: lisp_types.c:568
#define gid_address_sd_src(_a)
Definition: lisp_types.h:256
#define vni_mask_len(_a)
Definition: lisp_types.h:159
#define ip_addr_v4(_a)
Definition: lisp_types.h:54
u16 ip_version_to_size(u8 ver)
Definition: lisp_types.c:448
#define vni_gid(_a)
Definition: lisp_types.h:160
u8 type
Definition: lisp_types.h:176
#define ip_addr_version(_a)
Definition: lisp_types.h:56
void *(* cast_fct)(gid_address_t *)
Definition: lisp_types.c:25
u16 try_parse_src_dst_lcaf(u8 *p, gid_address_t *a)
Definition: lisp_types.c:697
static u8 fid_address_length(fid_address_t *a)
Definition: lisp_types.c:1167
void gid_to_dp_address(gid_address_t *g, dp_address_t *d)
Definition: lisp_types.c:577
u16 vni_size_to_write(void *a)
Definition: lisp_types.c:1300
void ip_address_copy_addr(void *dst, const ip_address_t *src)
Definition: lisp_types.c:837
#define LOC_PRIORITY(h_)
u8 * format_negative_mapping_action(u8 *s, va_list *args)
Definition: lisp_types.c:409
u8(* addr_len_fct)(void *)
Definition: lisp_types.c:27
#define gid_address_mac(_a)
Definition: lisp_types.h:247
#define v
Definition: acl.c:246
#define ip_prefix_v6(_a)
Definition: lisp_types.h:75
struct _unformat_input_t unformat_input_t
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Definition: lisp_types.c:26
void * nsh_cast(gid_address_t *a)
Definition: lisp_types.c:1097
struct _lcaf_src_dst_hdr_t lcaf_src_dst_hdr_t
void vni_free(void *a)
Definition: lisp_types.c:765
u32 lcaf_hdr_parse(void *offset, lcaf_t *lcaf)
Definition: lisp_types.c:615
void gid_address_free(gid_address_t *a)
Definition: lisp_types.c:785
u16 ip_address_size(const ip_address_t *a)
Definition: lisp_types.c:433
#define gid_address_sd_dst_type(_a)
Definition: lisp_types.h:259
uword unformat_gid_address(unformat_input_t *input, va_list *args)
Definition: lisp_types.c:321
u8 * format_gid_address(u8 *s, va_list *args)
Definition: lisp_types.c:241
u8 sd_length(void *a)
Definition: lisp_types.c:1067
u16 mac_size_to_write(void *a)
Definition: lisp_types.c:1342
serdes_fct lcaf_parse_fcts[LCAF_TYPES]
Definition: lisp_types.c:119
lisp_afi_e
Definition: lisp_types.h:219
u32 ip_address_put(u8 *b, ip_address_t *a)
Definition: lisp_types.c:558
void ip_prefix_normalize(ip_prefix_t *a)
Definition: lisp_types.c:923
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Definition: lisp_types.c:850
#define ip_addr_v6(_a)
Definition: lisp_types.h:55
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Definition: lisp_types.c:526
#define gid_address_ippref(_a)
Definition: lisp_types.h:242
u8 lcaf_length(void *a)
Definition: lisp_types.c:1055
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Definition: format.h:94
u16 lcaf_size_to_write(void *a)
Definition: lisp_types.c:1315
u16(* size_to_write_fct)(void *)
Definition: lisp_types.c:24
#define sd_dst(_a)
Definition: lisp_types.h:142
cmp_fct lcaf_cmp_fcts[LCAF_TYPES]
Definition: lisp_types.c:76
format_function_t format_ip6_address
Definition: format.h:95
vec_header_t h
Definition: buffer.c:275
#define LCAF_RES2(h)
int gid_address_cmp(gid_address_t *a1, gid_address_t *a2)
Definition: lisp_types.c:1537
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Definition: lisp_types.c:1465
#define vec_free(V)
Free vector&#39;s memory (no header).
Definition: vec.h:340
#define gid_address_ippref_len(_a)
Definition: lisp_types.h:243
#define clib_warning(format, args...)
Definition: error.h:59
u16 sd_write(u8 *p, void *a)
Definition: lisp_types.c:1182
#define clib_memcpy(a, b, c)
Definition: string.h:69
u32 locator_cmp(locator_t *l1, locator_t *l2)
Definition: lisp_types.c:1620
static u16 fid_addr_size_to_write(fid_address_t *a)
Definition: lisp_types.c:1283
addr_len_fct addr_len_fcts[GID_ADDR_TYPES]
Definition: lisp_types.c:40
fid_addr_type_t type
Definition: lisp_types.h:123
lisp_action_e
u8 no_addr_length(void *a)
Definition: lisp_types.c:1103
u8 si
Definition: lisp_types.h:165
static int fid_addr_cmp(fid_address_t *a1, fid_address_t *a2)
Definition: lisp_types.c:1497
u8 nsh_length(void *a)
Definition: lisp_types.c:1073
#define fid_addr_ippref(_a)
Definition: lisp_types.h:128
size_to_write_fct lcaf_size_to_write_fcts[LCAF_TYPES]
Definition: lisp_types.c:105
struct _gid_address_t gid_address_t
uword unformat_mac_address(unformat_input_t *input, va_list *args)
Definition: lisp_types.c:190
struct _lcaf_hdr_t lcaf_hdr_t
void(* copy_fct)(void *, void *)
Definition: lisp_types.c:28
#define sd_src(_a)
Definition: lisp_types.h:143
#define ASSERT(truth)
#define fid_addr_type(_a)
Definition: lisp_types.h:133
#define gid_address_nsh(_a)
Definition: lisp_types.h:248
unsigned int u32
Definition: types.h:88
u8 * format_ip_address(u8 *s, va_list *args)
Definition: lisp_types.c:127
u8 mac_length(void *a)
Definition: lisp_types.c:1061
#define gid_address_sd_dst(_a)
Definition: lisp_types.h:257
#define ip46_address_set_ip4(ip46, ip)
Definition: ip6_packet.h:78
u16 no_addr_write(u8 *p, void *a)
Definition: lisp_types.c:1270
void * mac_cast(gid_address_t *a)
Definition: lisp_types.c:1085
static u16 gid_address_put_no_vni(u8 *b, gid_address_t *gid)
Definition: lisp_types.c:1361
u64 size
Definition: vhost-user.h:77
static void clib_mem_free(void *p)
Definition: mem.h:176
int ip_prefix_cmp(ip_prefix_t *p1, ip_prefix_t *p2)
Definition: lisp_types.c:1004
void * gid_address_cast(gid_address_t *gid, gid_address_type_t type)
Definition: lisp_types.c:1393
#define LCAF_LENGTH(h)
struct _locator_hdr locator_hdr_t
#define gid_address_sd_dst_ippref(_a)
Definition: lisp_types.h:251
uword unformat_ip_prefix(unformat_input_t *input, va_list *args)
Definition: lisp_types.c:170
static void * clib_mem_alloc(uword size)
Definition: mem.h:109
u8 vni_length(void *a)
Definition: lisp_types.c:1109
u32 ip4_address_put(u8 *b, ip4_address_t *a)
Definition: lisp_types.c:540
u8 * format_ip_prefix(u8 *s, va_list *args)
Definition: lisp_types.c:162
u64 uword
Definition: types.h:112
u16 no_addr_size_to_write(void *a)
Definition: lisp_types.c:1277
#define foreach_lcaf_type
Definition: lisp_types.c:45
template key/value backing page structure
Definition: bihash_doc.h:44
#define lcaf_type(_a)
Definition: lisp_types.h:179
#define gid_address_ip(_a)
Definition: lisp_types.h:244
unsigned short u16
Definition: types.h:57
lisp_key_type_t
Definition: lisp_types.h:25
#define gid_address_vni(_a)
Definition: lisp_types.h:249
void(* free_fct)(void *)
Definition: lisp_types.c:29
#define LOC_WEIGHT(h_)
u32 mac_parse(u8 *offset, u8 *a)
Definition: lisp_types.c:1409
void locator_free(locator_t *l)
Definition: lisp_types.c:1638
unsigned char u8
Definition: types.h:56
#define lcaf_vni_len(_a)
Definition: lisp_types.h:181
u16 ip_address_size_to_write(ip_address_t *a)
Definition: lisp_types.c:508
u8 gid_address_len(gid_address_t *a)
Definition: lisp_types.c:1354
copy_fct lcaf_copy_fcts[LCAF_TYPES]
Definition: lisp_types.c:91
u8 ip_address_max_len(u8 version)
Definition: lisp_types.c:520
#define LOC_MPRIORITY(h_)
void gid_address_copy(gid_address_t *dst, gid_address_t *src)
Definition: lisp_types.c:1399
Definition: lisp_types.h:37
gid_address_t address
Definition: lisp_types.h:295
void mac_copy(void *dst, void *src)
Definition: lisp_types.c:986
u16 vni_write(u8 *p, void *a)
Definition: lisp_types.c:1228
struct clib_bihash_value offset
template key/value backing page structure
int(* cmp_fct)(void *, void *)
Definition: lisp_types.c:30
static u8 iana_afi_to_fid_addr_type(u16 type)
Definition: lisp_types.c:630
u16 ip_address_iana_afi(ip_address_t *a)
Definition: lisp_types.c:514
void sd_free(void *a)
Definition: lisp_types.c:779
void no_addr_copy(void *dst, void *src)
Definition: lisp_types.c:1028
#define gid_address_sd_src_type(_a)
Definition: lisp_types.h:258
u32 gid_address_parse(u8 *offset, gid_address_t *a)
Definition: lisp_types.c:1419
#define gid_address_vni_mask(_a)
Definition: lisp_types.h:250
vhost_vring_addr_t addr
Definition: vhost-user.h:84
u16 mac_write(u8 *p, void *a)
Definition: lisp_types.c:1142
copy_fct copy_fcts[GID_ADDR_TYPES]
Definition: lisp_types.c:42
u16 lcaf_write(u8 *p, void *a)
Definition: lisp_types.c:1117
static u8 ip_iana_afi_to_version(lisp_afi_e afi)
Definition: lisp_types.c:493
Definition: lisp_types.h:38
u8 ip_prefix_length(void *a)
Definition: lisp_types.c:974
u8 * format_fid_address(u8 *s, va_list *args)
Definition: lisp_types.c:220
void build_src_dst(gid_address_t *sd, gid_address_t *src, gid_address_t *dst)
Definition: lisp_types.c:1645
static u16 fid_addr_parse(u8 *p, fid_address_t *a)
Definition: lisp_types.c:645
#define LCAF_SD_SRC_ML(_h)
void ip_prefix_copy(void *dst, void *src)
Definition: lisp_types.c:980
u16 ip_prefix_size_to_write(void *pref)
Definition: lisp_types.c:949
uword unformat(unformat_input_t *i, const char *fmt,...)
Definition: unformat.c:971
u16 ip6_address_size_to_put()
Definition: lisp_types.c:533
#define ip_prefix_addr(_a)
Definition: lisp_types.h:71
int ip_address_cmp(const ip_address_t *ip1, const ip_address_t *ip2)
Definition: lisp_types.c:804
#define ip_addr_addr(_a)
Definition: lisp_types.h:53
u32 lcaf_parse(void *offset, gid_address_t *addr)
Definition: lisp_types.c:746
serdes_fct write_fcts[GID_ADDR_TYPES]
Definition: lisp_types.c:36
uword unformat_fid_address(unformat_input_t *i, va_list *args)
Definition: lisp_types.c:267