FD.io VPP  v19.01.3-6-g70449b9b9
Vector Packet Processing
acl.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 
16 #include <stddef.h>
17 
18 #include <vnet/vnet.h>
19 #include <vnet/plugin/plugin.h>
20 #include <acl/acl.h>
21 
22 #include <vnet/l2/l2_classify.h>
25 #include <vpp/app/version.h>
26 
27 #include <vlibapi/api.h>
28 #include <vlibmemory/api.h>
29 
30 /* define message IDs */
31 #include <acl/acl_msg_enum.h>
32 
33 /* define message structures */
34 #define vl_typedefs
35 #include <acl/acl_all_api_h.h>
36 #undef vl_typedefs
37 
38 /* define generated endian-swappers */
39 #define vl_endianfun
40 #include <acl/acl_all_api_h.h>
41 #undef vl_endianfun
42 
43 /* instantiate all the print functions we know about */
44 #define vl_print(handle, ...) vlib_cli_output (handle, __VA_ARGS__)
45 #define vl_printfun
46 #include <acl/acl_all_api_h.h>
47 #undef vl_printfun
48 
49 /* Get the API version number */
50 #define vl_api_version(n,v) static u32 api_version=(v);
51 #include <acl/acl_all_api_h.h>
52 #undef vl_api_version
53 
54 #include "fa_node.h"
55 #include "public_inlines.h"
56 
58 
59 #define REPLY_MSG_ID_BASE am->msg_id_base
61 
62 /*
63  * The code for the bihash, used by the session management.
64  */
65 #include <vppinfra/bihash_40_8.h>
68 
69 /* List of message types that this plugin understands */
70 
71 #define foreach_acl_plugin_api_msg \
72 _(ACL_PLUGIN_GET_VERSION, acl_plugin_get_version) \
73 _(ACL_PLUGIN_CONTROL_PING, acl_plugin_control_ping) \
74 _(ACL_ADD_REPLACE, acl_add_replace) \
75 _(ACL_DEL, acl_del) \
76 _(ACL_INTERFACE_ADD_DEL, acl_interface_add_del) \
77 _(ACL_INTERFACE_SET_ACL_LIST, acl_interface_set_acl_list) \
78 _(ACL_DUMP, acl_dump) \
79 _(ACL_INTERFACE_LIST_DUMP, acl_interface_list_dump) \
80 _(MACIP_ACL_ADD, macip_acl_add) \
81 _(MACIP_ACL_ADD_REPLACE, macip_acl_add_replace) \
82 _(MACIP_ACL_DEL, macip_acl_del) \
83 _(MACIP_ACL_INTERFACE_ADD_DEL, macip_acl_interface_add_del) \
84 _(MACIP_ACL_DUMP, macip_acl_dump) \
85 _(MACIP_ACL_INTERFACE_GET, macip_acl_interface_get) \
86 _(MACIP_ACL_INTERFACE_LIST_DUMP, macip_acl_interface_list_dump) \
87 _(ACL_INTERFACE_SET_ETYPE_WHITELIST, acl_interface_set_etype_whitelist) \
88 _(ACL_INTERFACE_ETYPE_WHITELIST_DUMP, acl_interface_etype_whitelist_dump) \
89 _(ACL_PLUGIN_GET_CONN_TABLE_MAX_ENTRIES,acl_plugin_get_conn_table_max_entries)
90 
91 
92 /* *INDENT-OFF* */
94  .version = VPP_BUILD_VER,
95  .description = "Access Control Lists (ACL)",
96 };
97 /* *INDENT-ON* */
98 
99 /* methods exported from ACL-as-a-service */
101 
102 /* Format vec16. */
103 u8 *
104 format_vec16 (u8 * s, va_list * va)
105 {
106  u16 *v = va_arg (*va, u16 *);
107  char *fmt = va_arg (*va, char *);
108  uword i;
109  for (i = 0; i < vec_len (v); i++)
110  {
111  if (i > 0)
112  s = format (s, ", ");
113  s = format (s, fmt, v[i]);
114  }
115  return s;
116 }
117 
118 static void *
120 {
121  if (0 == am->acl_mheap)
122  {
123  if (0 == am->acl_mheap_size)
124  {
126  u64 per_worker_slack = 1000000LL;
127  u64 per_worker_size =
128  per_worker_slack +
129  ((u64) am->fa_conn_table_max_entries) * sizeof (fa_session_t);
130  u64 per_worker_size_with_slack = per_worker_slack + per_worker_size;
131  u64 main_slack = 2000000LL;
132  u64 bihash_size = (u64) am->fa_conn_table_hash_memory_size;
133 
134  am->acl_mheap_size =
135  per_worker_size_with_slack * tm->n_vlib_mains + bihash_size +
136  main_slack;
137  }
138  u64 max_possible = ((uword) ~ 0);
139  if (am->acl_mheap_size > max_possible)
140  {
141  clib_warning ("ACL heap size requested: %lld, max possible %lld",
142  am->acl_mheap_size, max_possible);
143  }
144 
145  am->acl_mheap = mheap_alloc_with_lock (0 /* use VM */ ,
146  am->acl_mheap_size,
147  1 /* locked */ );
148  if (0 == am->acl_mheap)
149  {
150  clib_error
151  ("ACL plugin failed to allocate main heap of %U bytes, abort",
153  }
154  }
155  void *oldheap = clib_mem_set_heap (am->acl_mheap);
156  return oldheap;
157 }
158 
159 void *
161 {
162  acl_main_t *am = &acl_main;
163  return acl_set_heap (am);
164 }
165 
166 void
168 {
170 #if USE_DLMALLOC == 0
171  mheap_t *h = mheap_header (am->acl_mheap);
172  if (on)
173  {
176  mheap_validate (h);
177  }
178  else
179  {
180  h->flags &= ~MHEAP_FLAG_VALIDATE;
182  }
183 #endif
184 }
185 
186 void
188 {
190 #if USE_DLMALLOC == 0
191  mheap_t *h = mheap_header (am->acl_mheap);
192  if (on)
193  {
194  h->flags |= MHEAP_FLAG_TRACE;
195  }
196  else
197  {
198  h->flags &= ~MHEAP_FLAG_TRACE;
199  }
200 #endif
201 }
202 
203 static void
205 {
206  acl_main_t *am = &acl_main;
208  int msg_size = sizeof (*rmp);
210 
212  if (!reg)
213  return;
214 
215  rmp = vl_msg_api_alloc (msg_size);
216  clib_memset (rmp, 0, msg_size);
217  rmp->_vl_msg_id =
218  ntohs (VL_API_ACL_PLUGIN_GET_VERSION_REPLY + am->msg_id_base);
219  rmp->context = mp->context;
220  rmp->major = htonl (ACL_PLUGIN_VERSION_MAJOR);
221  rmp->minor = htonl (ACL_PLUGIN_VERSION_MINOR);
222 
223  vl_api_send_msg (reg, (u8 *) rmp);
224 }
225 
226 static void
228  mp)
229 {
231  acl_main_t *am = &acl_main;
232  int rv = 0;
233 
234  /* *INDENT-OFF* */
235  REPLY_MACRO2 (VL_API_ACL_PLUGIN_CONTROL_PING_REPLY,
236  ({
237  rmp->vpe_pid = ntohl (getpid ());
238  }));
239  /* *INDENT-ON* */
240 }
241 
242 static void
244 {
245  clib_warning ("%v", out0);
246  vec_reset_length (out0);
247 }
248 
249 static void
251 {
252  vlib_cli_output (vm, "%v", out0);
253  vec_reset_length (out0);
254 }
255 
256 typedef void (*acl_vector_print_func_t) (vlib_main_t * vm, u8 * out0);
257 
258 static void
260  acl_main_t * am, int acl_index)
261 {
262  acl_rule_t *r;
263  u8 *out0 = format (0, "acl-index %u count %u tag {%s}\n", acl_index,
264  am->acls[acl_index].count, am->acls[acl_index].tag);
265  int j;
266  vpr (vm, out0);
267  for (j = 0; j < am->acls[acl_index].count; j++)
268  {
269  r = &am->acls[acl_index].rules[j];
270  out0 = format (out0, " %9d: %s ", j, r->is_ipv6 ? "ipv6" : "ipv4");
271  out0 = format_acl_action (out0, r->is_permit);
272  out0 = format (out0, " src %U/%d", format_ip46_address, &r->src,
274  r->src_prefixlen);
275  out0 =
276  format (out0, " dst %U/%d", format_ip46_address, &r->dst,
277  r->is_ipv6 ? IP46_TYPE_IP6 : IP46_TYPE_IP4, r->dst_prefixlen);
278  out0 = format (out0, " proto %d", r->proto);
279  out0 = format (out0, " sport %d", r->src_port_or_type_first);
281  {
282  out0 = format (out0, "-%d", r->src_port_or_type_last);
283  }
284  out0 = format (out0, " dport %d", r->dst_port_or_code_first);
286  {
287  out0 = format (out0, "-%d", r->dst_port_or_code_last);
288  }
289  if (r->tcp_flags_mask || r->tcp_flags_value)
290  {
291  out0 =
292  format (out0, " tcpflags %d mask %d", r->tcp_flags_value,
293  r->tcp_flags_mask);
294  }
295  out0 = format (out0, "\n");
296  vpr (vm, out0);
297  }
298 }
299 
300 static void
303 {
304  acl_main_t *am = &acl_main;
306  int msg_size = sizeof (*rmp);
308 
310  if (q == 0)
311  {
312  return;
313  }
314 
315  rmp = vl_msg_api_alloc (msg_size);
316  memset (rmp, 0, msg_size);
317  rmp->_vl_msg_id =
318  ntohs (VL_API_ACL_PLUGIN_GET_CONN_TABLE_MAX_ENTRIES_REPLY +
319  am->msg_id_base);
320  rmp->context = mp->context;
321  rmp->conn_table_max_entries = __bswap_64 (am->fa_conn_table_max_entries);
322 
323  vl_msg_api_send_shmem (q, (u8 *) & rmp);
324 }
325 
326 static void
328 {
329  acl_print_acl_x (print_cli_and_reset, vm, am, acl_index);
330 }
331 
332 static void
334 {
335  acl_print_acl_x (print_clib_warning_and_reset, vm, am, acl_index);
336 }
337 
338 static void
340 {
341 
342  u32 **ppolicy_epoch_by_swi =
343  is_input ? &am->input_policy_epoch_by_sw_if_index :
345  vec_validate (*ppolicy_epoch_by_swi, sw_if_index);
346 
347  u32 *p_epoch = vec_elt_at_index ((*ppolicy_epoch_by_swi), sw_if_index);
348  *p_epoch =
349  ((1 + *p_epoch) & FA_POLICY_EPOCH_MASK) +
350  (is_input * FA_POLICY_EPOCH_IS_INPUT);
351 }
352 
353 static void
354 try_increment_acl_policy_epoch (acl_main_t * am, u32 acl_num, int is_input)
355 {
356  u32 ***p_swi_vec_by_acl = is_input ? &am->input_sw_if_index_vec_by_acl
358  if (acl_num < vec_len (*p_swi_vec_by_acl))
359  {
360  u32 *p_swi;
361  vec_foreach (p_swi, (*p_swi_vec_by_acl)[acl_num])
362  {
363  increment_policy_epoch (am, *p_swi, is_input);
364  }
365 
366  }
367 }
368 
369 static void
371 {
372  try_increment_acl_policy_epoch (am, acl_num, 0);
373  try_increment_acl_policy_epoch (am, acl_num, 1);
374 }
375 
376 
377 
378 static int
380  u32 * acl_list_index, u8 * tag)
381 {
382  acl_main_t *am = &acl_main;
383  acl_list_t *a;
384  acl_rule_t *r;
385  acl_rule_t *acl_new_rules = 0;
386  int i;
387 
388  if (am->trace_acl > 255)
389  clib_warning ("API dbg: acl_add_list index %d tag %s", *acl_list_index,
390  tag);
391 
392  if (*acl_list_index != ~0)
393  {
394  /* They supplied some number, let's see if this ACL exists */
395  if (pool_is_free_index (am->acls, *acl_list_index))
396  {
397  /* tried to replace a non-existent ACL, no point doing anything */
399  ("acl-plugin-error: Trying to replace nonexistent ACL %d (tag %s)",
400  *acl_list_index, tag);
401  return VNET_API_ERROR_NO_SUCH_ENTRY;
402  }
403  }
404  if (0 == count)
405  {
407  ("acl-plugin-warning: supplied no rules for ACL %d (tag %s)",
408  *acl_list_index, tag);
409  }
410 
411  void *oldheap = acl_set_heap (am);
412 
413  /* Create and populate the rules */
414  if (count > 0)
415  vec_validate (acl_new_rules, count - 1);
416 
417  for (i = 0; i < count; i++)
418  {
419  r = vec_elt_at_index (acl_new_rules, i);
420  clib_memset (r, 0, sizeof (*r));
421  r->is_permit = rules[i].is_permit;
422  r->is_ipv6 = rules[i].is_ipv6;
423  if (r->is_ipv6)
424  {
425  memcpy (&r->src, rules[i].src_ip_addr, sizeof (r->src));
426  memcpy (&r->dst, rules[i].dst_ip_addr, sizeof (r->dst));
427  }
428  else
429  {
430  memcpy (&r->src.ip4, rules[i].src_ip_addr, sizeof (r->src.ip4));
431  memcpy (&r->dst.ip4, rules[i].dst_ip_addr, sizeof (r->dst.ip4));
432  }
433  r->src_prefixlen = rules[i].src_ip_prefix_len;
434  r->dst_prefixlen = rules[i].dst_ip_prefix_len;
435  r->proto = rules[i].proto;
436  r->src_port_or_type_first = ntohs (rules[i].srcport_or_icmptype_first);
437  r->src_port_or_type_last = ntohs (rules[i].srcport_or_icmptype_last);
438  r->dst_port_or_code_first = ntohs (rules[i].dstport_or_icmpcode_first);
439  r->dst_port_or_code_last = ntohs (rules[i].dstport_or_icmpcode_last);
440  r->tcp_flags_value = rules[i].tcp_flags_value;
441  r->tcp_flags_mask = rules[i].tcp_flags_mask;
442  }
443 
444  if (~0 == *acl_list_index)
445  {
446  /* Get ACL index */
448  clib_memset (a, 0, sizeof (*a));
449  /* Will return the newly allocated ACL index */
450  *acl_list_index = a - am->acls;
451  }
452  else
453  {
454  a = am->acls + *acl_list_index;
455  /* Get rid of the old rules */
456  if (a->rules)
457  vec_free (a->rules);
458  }
459  a->rules = acl_new_rules;
460  a->count = count;
461  memcpy (a->tag, tag, sizeof (a->tag));
462  if (am->trace_acl > 255)
463  warning_acl_print_acl (am->vlib_main, am, *acl_list_index);
464  if (am->reclassify_sessions)
465  {
466  /* a change in an ACLs if they are applied may mean a new policy epoch */
467  policy_notify_acl_change (am, *acl_list_index);
468  }
469 
470  /* notify the lookup contexts about the ACL changes */
472  clib_mem_set_heap (oldheap);
473  return 0;
474 }
475 
476 static int
477 acl_is_used_by (u32 acl_index, u32 ** foo_index_vec_by_acl)
478 {
479  if (acl_index < vec_len (foo_index_vec_by_acl))
480  {
481  if (vec_len (vec_elt (foo_index_vec_by_acl, acl_index)) > 0)
482  {
483  /* ACL is applied somewhere. */
484  return 1;
485  }
486  }
487  return 0;
488 }
489 
490 static int
491 acl_del_list (u32 acl_list_index)
492 {
493  acl_main_t *am = &acl_main;
494  acl_list_t *a;
495  if (pool_is_free_index (am->acls, acl_list_index))
496  {
497  return VNET_API_ERROR_NO_SUCH_ENTRY;
498  }
499  if (acl_is_used_by (acl_list_index, am->input_sw_if_index_vec_by_acl))
500  return VNET_API_ERROR_ACL_IN_USE_INBOUND;
501  if (acl_is_used_by (acl_list_index, am->output_sw_if_index_vec_by_acl))
502  return VNET_API_ERROR_ACL_IN_USE_OUTBOUND;
503  /* lookup contexts cover other cases, not just inbound/outbound, so check that */
504  if (acl_is_used_by (acl_list_index, am->lc_index_vec_by_acl))
505  return VNET_API_ERROR_ACL_IN_USE_BY_LOOKUP_CONTEXT;
506 
507  void *oldheap = acl_set_heap (am);
508 
509  /* now we can delete the ACL itself */
510  a = pool_elt_at_index (am->acls, acl_list_index);
511  if (a->rules)
512  vec_free (a->rules);
513  pool_put (am->acls, a);
514  /* acl_list_index is now free, notify the lookup contexts */
516  clib_mem_set_heap (oldheap);
517  return 0;
518 }
519 
520 static int
522 {
523  u64 *p64 = (u64 *) p;
524  /* Be tolerant to null pointer */
525  if (0 == p)
526  return 0;
527 
528  while ((0ULL == *p64) && ((u8 *) p64 - p) < size)
529  {
530  p64++;
531  }
532  return (p64 - (u64 *) p) / 2;
533 }
534 
535 static int
537  u32 mask_len, u32 next_table_index,
538  u32 miss_next_index, u32 * table_index,
539  int is_add)
540 {
541  u32 nbuckets = 32;
542  u32 memory_size = 2 << 22;
543  u32 skip = count_skip (mask, mask_len);
544  u32 match = (mask_len / 16) - skip;
545  u8 *skip_mask_ptr = mask + 16 * skip;
546  u32 current_data_flag = 0;
547  int current_data_offset = 0;
548 
549  if (0 == match)
550  match = 1;
551 
552  void *oldheap = clib_mem_set_heap (cm->vlib_main->heap_base);
553  int ret = vnet_classify_add_del_table (cm, skip_mask_ptr, nbuckets,
554  memory_size, skip, match,
555  next_table_index, miss_next_index,
556  table_index, current_data_flag,
557  current_data_offset, is_add,
558  1 /* delete_chain */ );
559  clib_mem_set_heap (oldheap);
560  return ret;
561 }
562 
563 static int
565 {
566  u16 **v = is_input
569  u16 *whitelist = (vec_len (v) > sw_if_index) ? vec_elt (v, sw_if_index) : 0;
570  return vec_len (whitelist) > 0;
571 }
572 
573 static void
575 {
576  void *oldheap = clib_mem_set_heap (am->vlib_main->heap_base);
579  sw_if_index);
580  clib_mem_set_heap (oldheap);
581 }
582 
583 
584 static int
586  int enable_disable)
587 {
588  int rv = 0;
589 
590  /* Utterly wrong? */
592  sw_if_index))
593  return VNET_API_ERROR_INVALID_SW_IF_INDEX;
594 
595  if (clib_bitmap_get (am->in_acl_on_sw_if_index, sw_if_index) ==
596  enable_disable)
597  return 0;
598 
599  acl_fa_enable_disable (sw_if_index, 1, enable_disable);
600 
601  void *oldheap = clib_mem_set_heap (am->vlib_main->heap_base);
602  rv = vnet_l2_feature_enable_disable ("l2-input-ip4", "acl-plugin-in-ip4-l2",
603  sw_if_index, enable_disable, 0, 0);
604  if (rv)
605  clib_error ("Could not enable on input");
606  rv = vnet_l2_feature_enable_disable ("l2-input-ip6", "acl-plugin-in-ip6-l2",
607  sw_if_index, enable_disable, 0, 0);
608  if (rv)
609  clib_error ("Could not enable on input");
610 
611  if (intf_has_etype_whitelist (am, sw_if_index, 1))
612  vnet_l2_feature_enable_disable ("l2-input-nonip",
613  "acl-plugin-in-nonip-l2", sw_if_index,
614  enable_disable, 0, 0);
615 
616  clib_mem_set_heap (oldheap);
617 
619  clib_bitmap_set (am->in_acl_on_sw_if_index, sw_if_index, enable_disable);
620 
621  return rv;
622 }
623 
624 static int
626  int enable_disable)
627 {
628  int rv = 0;
629 
630  /* Utterly wrong? */
632  sw_if_index))
633  return VNET_API_ERROR_INVALID_SW_IF_INDEX;
634 
635  if (clib_bitmap_get (am->out_acl_on_sw_if_index, sw_if_index) ==
636  enable_disable)
637  return 0;
638 
639  acl_fa_enable_disable (sw_if_index, 0, enable_disable);
640 
641  void *oldheap = clib_mem_set_heap (am->vlib_main->heap_base);
642  rv =
643  vnet_l2_feature_enable_disable ("l2-output-ip4", "acl-plugin-out-ip4-l2",
644  sw_if_index, enable_disable, 0, 0);
645  if (rv)
646  clib_error ("Could not enable on output");
647  rv =
648  vnet_l2_feature_enable_disable ("l2-output-ip6", "acl-plugin-out-ip6-l2",
649  sw_if_index, enable_disable, 0, 0);
650  if (rv)
651  clib_error ("Could not enable on output");
652  if (intf_has_etype_whitelist (am, sw_if_index, 0))
653  vnet_l2_feature_enable_disable ("l2-output-nonip",
654  "acl-plugin-out-nonip-l2", sw_if_index,
655  enable_disable, 0, 0);
656 
657 
658  clib_mem_set_heap (oldheap);
659 
661  clib_bitmap_set (am->out_acl_on_sw_if_index, sw_if_index, enable_disable);
662 
663  return rv;
664 }
665 
666 static int
668  int is_input, int enable_disable)
669 {
670  if (is_input)
671  return acl_interface_in_enable_disable (am, sw_if_index, enable_disable);
672  else
673  return acl_interface_out_enable_disable (am, sw_if_index, enable_disable);
674 }
675 
676 static int
677 acl_is_not_defined (acl_main_t * am, u32 acl_list_index)
678 {
679  return (pool_is_free_index (am->acls, acl_list_index));
680 }
681 
682 static int
684  u8 is_input, u32 * vec_acl_list_index,
685  int *may_clear_sessions)
686 {
687  u32 *pacln;
688  uword *seen_acl_bitmap = 0;
689  uword *old_seen_acl_bitmap = 0;
690  uword *change_acl_bitmap = 0;
691  int acln;
692  int rv = 0;
693 
694 
695  if (am->trace_acl > 255)
697  ("API dbg: acl_interface_set_inout_acl_list: sw_if_index %d is_input %d acl_vec: [%U]",
698  sw_if_index, is_input, format_vec32, vec_acl_list_index, "%d");
699 
700  vec_foreach (pacln, vec_acl_list_index)
701  {
702  if (acl_is_not_defined (am, *pacln))
703  {
704  /* ACL is not defined. Can not apply */
705  clib_warning ("ERROR: ACL %d not defined", *pacln);
706  rv = VNET_API_ERROR_NO_SUCH_ENTRY;
707  goto done;
708  }
709  if (clib_bitmap_get (seen_acl_bitmap, *pacln))
710  {
711  /* ACL being applied twice within the list. error. */
712  clib_warning ("ERROR: ACL %d being applied twice", *pacln);
713  rv = VNET_API_ERROR_ENTRY_ALREADY_EXISTS;
714  goto done;
715  }
716  seen_acl_bitmap = clib_bitmap_set (seen_acl_bitmap, *pacln, 1);
717  }
718 
719 
720  u32 **pinout_lc_index_by_sw_if_index =
721  is_input ? &am->
722  input_lc_index_by_sw_if_index : &am->output_lc_index_by_sw_if_index;
723 
724  u32 ***pinout_acl_vec_by_sw_if_index =
725  is_input ? &am->
726  input_acl_vec_by_sw_if_index : &am->output_acl_vec_by_sw_if_index;
727 
728  u32 ***pinout_sw_if_index_vec_by_acl =
729  is_input ? &am->
730  input_sw_if_index_vec_by_acl : &am->output_sw_if_index_vec_by_acl;
731 
732  vec_validate ((*pinout_acl_vec_by_sw_if_index), sw_if_index);
733 
734  clib_bitmap_validate (old_seen_acl_bitmap, 1);
735 
736  vec_foreach (pacln, (*pinout_acl_vec_by_sw_if_index)[sw_if_index])
737  {
738  old_seen_acl_bitmap = clib_bitmap_set (old_seen_acl_bitmap, *pacln, 1);
739  }
740  change_acl_bitmap =
741  clib_bitmap_dup_xor (old_seen_acl_bitmap, seen_acl_bitmap);
742 
743  if (am->trace_acl > 255)
744  clib_warning ("bitmaps: old seen %U new seen %U changed %U",
745  format_bitmap_hex, old_seen_acl_bitmap, format_bitmap_hex,
746  seen_acl_bitmap, format_bitmap_hex, change_acl_bitmap);
747 
748 /* *INDENT-OFF* */
749  clib_bitmap_foreach(acln, change_acl_bitmap, ({
750  if (clib_bitmap_get(old_seen_acl_bitmap, acln)) {
751  /* ACL is being removed. */
752  if (acln < vec_len((*pinout_sw_if_index_vec_by_acl))) {
753  int index = vec_search((*pinout_sw_if_index_vec_by_acl)[acln], sw_if_index);
754  vec_del1((*pinout_sw_if_index_vec_by_acl)[acln], index);
755  }
756  } else {
757  /* ACL is being added. */
758  vec_validate((*pinout_sw_if_index_vec_by_acl), acln);
759  vec_add1((*pinout_sw_if_index_vec_by_acl)[acln], sw_if_index);
760  }
761  }));
762 /* *INDENT-ON* */
763 
764  vec_free ((*pinout_acl_vec_by_sw_if_index)[sw_if_index]);
765  (*pinout_acl_vec_by_sw_if_index)[sw_if_index] =
766  vec_dup (vec_acl_list_index);
767 
768  if (am->reclassify_sessions)
769  {
770  /* re-applying ACLs means a new policy epoch */
771  increment_policy_epoch (am, sw_if_index, is_input);
772  }
773  else
774  {
775  /* if no commonalities between the ACL# - then we should definitely clear the sessions */
776  if (may_clear_sessions && *may_clear_sessions
777  && !clib_bitmap_is_zero (change_acl_bitmap))
778  {
779  acl_clear_sessions (am, sw_if_index);
780  *may_clear_sessions = 0;
781  }
782  }
783 
784  /*
785  * prepare or delete the lookup context if necessary, and if context exists, set ACL list
786  */
787  vec_validate_init_empty ((*pinout_lc_index_by_sw_if_index), sw_if_index,
788  ~0);
789  if (vec_len (vec_acl_list_index) > 0)
790  {
791  u32 lc_index = (*pinout_lc_index_by_sw_if_index)[sw_if_index];
792  if (~0 == lc_index)
793  {
794  if (~0 == am->interface_acl_user_id)
796  acl_plugin.register_user_module ("interface ACL", "sw_if_index",
797  "is_input");
798  lc_index =
799  acl_plugin.get_lookup_context_index (am->interface_acl_user_id,
800  sw_if_index, is_input);
801  (*pinout_lc_index_by_sw_if_index)[sw_if_index] = lc_index;
802  }
803  acl_plugin.set_acl_vec_for_context (lc_index, vec_acl_list_index);
804  }
805  else
806  {
807  if (~0 != (*pinout_lc_index_by_sw_if_index)[sw_if_index])
808  {
809  acl_plugin.put_lookup_context_index ((*pinout_lc_index_by_sw_if_index)[sw_if_index]);
810  (*pinout_lc_index_by_sw_if_index)[sw_if_index] = ~0;
811  }
812  }
813 
814  /* ensure ACL processing is enabled/disabled as needed */
815  acl_interface_inout_enable_disable (am, sw_if_index, is_input,
816  vec_len (vec_acl_list_index) > 0);
817 
818 done:
819  clib_bitmap_free (change_acl_bitmap);
820  clib_bitmap_free (seen_acl_bitmap);
821  clib_bitmap_free (old_seen_acl_bitmap);
822  return rv;
823 }
824 
825 static void
827  int *may_clear_sessions)
828 {
829  acl_main_t *am = &acl_main;
830  void *oldheap = acl_set_heap (am);
831  acl_interface_set_inout_acl_list (am, sw_if_index, is_input, 0,
832  may_clear_sessions);
833  clib_mem_set_heap (oldheap);
834 }
835 
836 static int
838  u32 acl_list_index)
839 {
840 
841  acl_main_t *am = &acl_main;
842  u32 *acl_vec = 0;
843  int may_clear_sessions = 1;
844 
845  int error_already_applied = is_input ? VNET_API_ERROR_ACL_IN_USE_INBOUND
846  : VNET_API_ERROR_ACL_IN_USE_OUTBOUND;
847 
848  u32 ***pinout_acl_vec_by_sw_if_index =
849  is_input ? &am->
850  input_acl_vec_by_sw_if_index : &am->output_acl_vec_by_sw_if_index;
851  int rv = 0;
852  void *oldheap = acl_set_heap (am);
853 
854  if (is_add)
855  {
856  vec_validate ((*pinout_acl_vec_by_sw_if_index), sw_if_index);
857  u32 index = vec_search ((*pinout_acl_vec_by_sw_if_index)[sw_if_index],
858  acl_list_index);
859 
860  if (~0 != index)
861  {
862  rv = error_already_applied;
863  goto done;
864  }
865 
866  acl_vec = vec_dup ((*pinout_acl_vec_by_sw_if_index)[sw_if_index]);
867  vec_add1 (acl_vec, acl_list_index);
868  }
869  else
870  {
871  if (sw_if_index >= vec_len (*pinout_acl_vec_by_sw_if_index))
872  {
873  rv = VNET_API_ERROR_NO_SUCH_ENTRY;
874  goto done;
875  }
876 
877  u32 index = vec_search ((*pinout_acl_vec_by_sw_if_index)[sw_if_index],
878  acl_list_index);
879 
880  if (~0 == index)
881  {
882  rv = VNET_API_ERROR_NO_SUCH_ENTRY;
883  goto done;
884  }
885 
886  acl_vec = vec_dup ((*pinout_acl_vec_by_sw_if_index)[sw_if_index]);
887  vec_del1 (acl_vec, index);
888  }
889 
890  rv = acl_interface_set_inout_acl_list (am, sw_if_index, is_input, acl_vec,
891  &may_clear_sessions);
892 done:
893  vec_free (acl_vec);
894  clib_mem_set_heap (oldheap);
895  return rv;
896 }
897 
898 static int
900  u16 * vec_out)
901 {
904 
907 
910 
911  /*
912  * if there are already inbound/outbound ACLs applied, toggle the
913  * enable/disable - this will recreate the necessary tables.
914  */
915 
916  if (vec_len (am->input_acl_vec_by_sw_if_index) > sw_if_index)
917  {
918  if (vec_len (am->input_acl_vec_by_sw_if_index[sw_if_index]) > 0)
919  {
920  acl_interface_in_enable_disable (am, sw_if_index, 0);
921  acl_interface_in_enable_disable (am, sw_if_index, 1);
922  }
923  }
924  if (vec_len (am->output_acl_vec_by_sw_if_index) > sw_if_index)
925  {
926  if (vec_len (am->output_acl_vec_by_sw_if_index[sw_if_index]) > 0)
927  {
928  acl_interface_out_enable_disable (am, sw_if_index, 0);
929  acl_interface_out_enable_disable (am, sw_if_index, 1);
930  }
931  }
932  return 0;
933 }
934 
935 
936 typedef struct
937 {
940  u8 mac_mask[6];
949  /* egress tables */
957 
958 static u32
959 macip_find_match_type (macip_match_type_t * mv, u8 * mac_mask, u8 prefix_len,
960  u8 is_ipv6)
961 {
962  u32 i;
963  if (mv)
964  {
965  for (i = 0; i < vec_len (mv); i++)
966  {
967  if ((mv[i].prefix_len == prefix_len) && (mv[i].is_ipv6 == is_ipv6)
968  && (0 == memcmp (mv[i].mac_mask, mac_mask, 6)))
969  {
970  return i;
971  }
972  }
973  }
974  return ~0;
975 }
976 
977 
978 /* Get metric used to sort match types.
979  The more specific and the more often seen - the bigger the metric */
980 static int
982 {
983  unsigned int mac_bits_set = 0;
984  unsigned int mac_byte;
985  int i;
986  for (i = 0; i < 6; i++)
987  {
988  mac_byte = m->mac_mask[i];
989  for (; mac_byte; mac_byte >>= 1)
990  mac_bits_set += mac_byte & 1;
991  }
992  /*
993  * Attempt to place the more specific and the more used rules on top.
994  * There are obvious caveat corner cases to this, but they do not
995  * seem to be sensible in real world (e.g. specific IPv4 with wildcard MAC
996  * going with a wildcard IPv4 with a specific MAC).
997  */
998  return m->prefix_len + mac_bits_set + m->is_ipv6 + 10 * m->count;
999 }
1000 
1001 static int
1003 {
1004  /* Ascending sort based on the metric values */
1005  return match_type_metric (m1) - match_type_metric (m2);
1006 }
1007 
1008 /* Get the offset of L3 source within ethernet packet */
1009 static int
1011 {
1012  if (is6)
1013  return (sizeof (ethernet_header_t) +
1014  offsetof (ip6_header_t, src_address));
1015  else
1016  return (sizeof (ethernet_header_t) +
1017  offsetof (ip4_header_t, src_address));
1018 }
1019 
1020 static int
1022 {
1023  if (is6)
1024  return (sizeof (ethernet_header_t) +
1025  offsetof (ip6_header_t, dst_address));
1026  else
1027  return (sizeof (ethernet_header_t) +
1028  offsetof (ip4_header_t, dst_address));
1029 }
1030 
1031 /*
1032  * return if the is_permit value also requires to create the egress tables
1033  * For backwards compatibility, we keep the is_permit = 1 to only
1034  * create the ingress tables, and the new value of 3 will also
1035  * create the egress tables based on destination.
1036  */
1037 static int
1039 {
1040  return (is_permit == 3);
1041 }
1042 
1043 static int
1045 {
1046  macip_match_type_t *mvec = NULL;
1047  macip_match_type_t *mt;
1048  macip_acl_list_t *a = pool_elt_at_index (am->macip_acls, macip_acl_index);
1049  int i;
1050  u32 match_type_index;
1051  u32 last_table;
1052  u32 out_last_table;
1053  u8 mask[5 * 16];
1055 
1056  /* Count the number of different types of rules */
1057  for (i = 0; i < a->count; i++)
1058  {
1059  if (~0 ==
1060  (match_type_index =
1062  a->rules[i].src_prefixlen,
1063  a->rules[i].is_ipv6)))
1064  {
1065  match_type_index = vec_len (mvec);
1066  vec_validate (mvec, match_type_index);
1067  memcpy (mvec[match_type_index].mac_mask,
1068  a->rules[i].src_mac_mask, 6);
1069  mvec[match_type_index].prefix_len = a->rules[i].src_prefixlen;
1070  mvec[match_type_index].is_ipv6 = a->rules[i].is_ipv6;
1071  mvec[match_type_index].has_egress = 0;
1072  mvec[match_type_index].table_index = ~0;
1073  mvec[match_type_index].arp_table_index = ~0;
1074  mvec[match_type_index].dot1q_table_index = ~0;
1075  mvec[match_type_index].dot1ad_table_index = ~0;
1076  mvec[match_type_index].arp_dot1q_table_index = ~0;
1077  mvec[match_type_index].arp_dot1ad_table_index = ~0;
1078  mvec[match_type_index].out_table_index = ~0;
1079  mvec[match_type_index].out_arp_table_index = ~0;
1080  mvec[match_type_index].out_dot1q_table_index = ~0;
1081  mvec[match_type_index].out_dot1ad_table_index = ~0;
1082  mvec[match_type_index].out_arp_dot1q_table_index = ~0;
1083  mvec[match_type_index].out_arp_dot1ad_table_index = ~0;
1084  }
1085  mvec[match_type_index].count++;
1086  mvec[match_type_index].has_egress |=
1088  }
1089  /* Put the most frequently used tables last in the list so we can create classifier tables in reverse order */
1091  /* Create the classifier tables */
1092  last_table = ~0;
1093  out_last_table = ~0;
1094  /* First add ARP tables */
1095  vec_foreach (mt, mvec)
1096  {
1097  int mask_len;
1098  int is6 = mt->is_ipv6;
1099  int tags;
1100  u32 *last_tag_table;
1101  u32 *out_last_tag_table;
1102  u32 l3_offset;
1103 
1104  if (!is6)
1105  {
1106  /*
1107  0 1 2 3
1108  0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
1109  +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
1110  | Destination Address |
1111  + +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
1112  | | |
1113  +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +
1114  | Source Address |
1115  +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
1116  | EtherType | Hardware Type |
1117  +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
1118  | Protocol Type | Hw addr len | Proto addr len|
1119  +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
1120  | Opcode | |
1121  +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +
1122  | Sender Hardware Address |
1123  +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
1124  | Sender Protocol Address |
1125  +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
1126  | Target Hardware Address |
1127  + +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
1128  | | TargetProtocolAddress |
1129  +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
1130  | |
1131  +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
1132  */
1133  for (tags = 2; tags >= 0; tags--)
1134  {
1135  clib_memset (mask, 0, sizeof (mask));
1136  /* source MAC address */
1137  memcpy (&mask[6], mt->mac_mask, 6);
1138 
1139  switch (tags)
1140  {
1141  case 0:
1142  default:
1143  clib_memset (&mask[12], 0xff, 2); /* ethernet protocol */
1144  l3_offset = 14;
1145  last_tag_table = &mt->arp_table_index;
1146  break;
1147  case 1:
1148  clib_memset (&mask[12], 0xff, 2); /* VLAN tag1 */
1149  clib_memset (&mask[16], 0xff, 2); /* ethernet protocol */
1150  l3_offset = 18;
1151  last_tag_table = &mt->arp_dot1q_table_index;
1152  break;
1153  case 2:
1154  clib_memset (&mask[12], 0xff, 2); /* VLAN tag1 */
1155  clib_memset (&mask[16], 0xff, 2); /* VLAN tag2 */
1156  clib_memset (&mask[20], 0xff, 2); /* ethernet protocol */
1157  l3_offset = 22;
1158  last_tag_table = &mt->arp_dot1ad_table_index;
1159  break;
1160  }
1161 
1162  /* sender hardware address within ARP */
1163  memcpy (&mask[l3_offset + 8], mt->mac_mask, 6);
1164  /* sender protocol address within ARP */
1165  for (i = 0; i < (mt->prefix_len / 8); i++)
1166  mask[l3_offset + 14 + i] = 0xff;
1167  if (mt->prefix_len % 8)
1168  mask[l3_offset + 14 + (mt->prefix_len / 8)] =
1169  0xff - ((1 << (8 - mt->prefix_len % 8)) - 1);
1170 
1171  mask_len = ((l3_offset + 14 + ((mt->prefix_len + 7) / 8) +
1172  (sizeof (u32x4) -
1173  1)) / sizeof (u32x4)) * sizeof (u32x4);
1174  acl_classify_add_del_table_small (cm, mask, mask_len, last_table,
1175  (~0 == last_table) ? 0 : ~0,
1176  last_tag_table, 1);
1177  last_table = *last_tag_table;
1178  if (mt->has_egress)
1179  {
1180  /* egress ARP table */
1181  clib_memset (mask, 0, sizeof (mask));
1182 
1183  switch (tags)
1184  {
1185  case 0:
1186  default:
1187  clib_memset (&mask[12], 0xff, 2); /* ethernet protocol */
1188  l3_offset = 14;
1189  out_last_tag_table = &mt->out_arp_table_index;
1190  break;
1191  case 1:
1192  clib_memset (&mask[12], 0xff, 2); /* VLAN tag1 */
1193  clib_memset (&mask[16], 0xff, 2); /* ethernet protocol */
1194  l3_offset = 18;
1195  out_last_tag_table = &mt->out_arp_dot1q_table_index;
1196  break;
1197  case 2:
1198  clib_memset (&mask[12], 0xff, 2); /* VLAN tag1 */
1199  clib_memset (&mask[16], 0xff, 2); /* VLAN tag2 */
1200  clib_memset (&mask[20], 0xff, 2); /* ethernet protocol */
1201  l3_offset = 22;
1202  out_last_tag_table = &mt->out_arp_dot1ad_table_index;
1203  break;
1204  }
1205 
1206  /* AYXX: FIXME here - can we tighten the ARP-related table more ? */
1207  /* mask captures just the destination and the ethertype */
1208  mask_len = ((l3_offset +
1209  (sizeof (u32x4) -
1210  1)) / sizeof (u32x4)) * sizeof (u32x4);
1211  acl_classify_add_del_table_small (cm, mask, mask_len,
1212  out_last_table,
1213  (~0 ==
1214  out_last_table) ? 0 : ~0,
1215  out_last_tag_table, 1);
1216  out_last_table = *out_last_tag_table;
1217  }
1218  }
1219  }
1220  }
1221  /* Now add IP[46] tables */
1222  vec_foreach (mt, mvec)
1223  {
1224  int mask_len;
1225  int is6 = mt->is_ipv6;
1226  int l3_src_offs;
1227  int l3_dst_offs;
1228  int tags;
1229  u32 *last_tag_table;
1230  u32 *out_last_tag_table;
1231 
1232  /*
1233  * create chained tables for VLAN (no-tags, dot1q and dot1ad) packets
1234  */
1235  for (tags = 2; tags >= 0; tags--)
1236  {
1237  clib_memset (mask, 0, sizeof (mask));
1238  memcpy (&mask[6], mt->mac_mask, 6);
1239  l3_src_offs = tags * 4 + get_l3_src_offset (is6);
1240  switch (tags)
1241  {
1242  case 0:
1243  default:
1244  clib_memset (&mask[12], 0xff, 2); /* ethernet protocol */
1245  last_tag_table = &mt->table_index;
1246  break;
1247  case 1:
1248  clib_memset (&mask[12], 0xff, 2); /* VLAN tag1 */
1249  clib_memset (&mask[16], 0xff, 2); /* ethernet protocol */
1250  last_tag_table = &mt->dot1q_table_index;
1251  break;
1252  case 2:
1253  clib_memset (&mask[12], 0xff, 2); /* VLAN tag1 */
1254  clib_memset (&mask[16], 0xff, 2); /* VLAN tag2 */
1255  clib_memset (&mask[20], 0xff, 2); /* ethernet protocol */
1256  last_tag_table = &mt->dot1ad_table_index;
1257  break;
1258  }
1259  for (i = 0; i < (mt->prefix_len / 8); i++)
1260  {
1261  mask[l3_src_offs + i] = 0xff;
1262  }
1263  if (mt->prefix_len % 8)
1264  {
1265  mask[l3_src_offs + (mt->prefix_len / 8)] =
1266  0xff - ((1 << (8 - mt->prefix_len % 8)) - 1);
1267  }
1268  /*
1269  * Round-up the number of bytes needed to store the prefix,
1270  * and round up the number of vectors too
1271  */
1272  mask_len = ((l3_src_offs + ((mt->prefix_len + 7) / 8) +
1273  (sizeof (u32x4) - 1)) / sizeof (u32x4)) * sizeof (u32x4);
1274  acl_classify_add_del_table_small (cm, mask, mask_len, last_table,
1275  (~0 == last_table) ? 0 : ~0,
1276  last_tag_table, 1);
1277  last_table = *last_tag_table;
1278  }
1279  if (mt->has_egress)
1280  {
1281  for (tags = 2; tags >= 0; tags--)
1282  {
1283  clib_memset (mask, 0, sizeof (mask));
1284  /* MAC destination */
1285  memcpy (&mask[0], mt->mac_mask, 6);
1286  l3_dst_offs = tags * 4 + get_l3_dst_offset (is6);
1287  switch (tags)
1288  {
1289  case 0:
1290  default:
1291  clib_memset (&mask[12], 0xff, 2); /* ethernet protocol */
1292  out_last_tag_table = &mt->out_table_index;
1293  break;
1294  case 1:
1295  clib_memset (&mask[12], 0xff, 2); /* VLAN tag1 */
1296  clib_memset (&mask[16], 0xff, 2); /* ethernet protocol */
1297  out_last_tag_table = &mt->out_dot1q_table_index;
1298  break;
1299  case 2:
1300  clib_memset (&mask[12], 0xff, 2); /* VLAN tag1 */
1301  clib_memset (&mask[16], 0xff, 2); /* VLAN tag2 */
1302  clib_memset (&mask[20], 0xff, 2); /* ethernet protocol */
1303  out_last_tag_table = &mt->out_dot1ad_table_index;
1304  break;
1305  }
1306  for (i = 0; i < (mt->prefix_len / 8); i++)
1307  {
1308  mask[l3_dst_offs + i] = 0xff;
1309  }
1310  if (mt->prefix_len % 8)
1311  {
1312  mask[l3_dst_offs + (mt->prefix_len / 8)] =
1313  0xff - ((1 << (8 - mt->prefix_len % 8)) - 1);
1314  }
1315  /*
1316  * Round-up the number of bytes needed to store the prefix,
1317  * and round up the number of vectors too
1318  */
1319  mask_len = ((l3_dst_offs + ((mt->prefix_len + 7) / 8) +
1320  (sizeof (u32x4) -
1321  1)) / sizeof (u32x4)) * sizeof (u32x4);
1322  acl_classify_add_del_table_small (cm, mask, mask_len,
1323  out_last_table,
1324  (~0 == out_last_table) ? 0 : ~0,
1325  out_last_tag_table, 1);
1326  out_last_table = *out_last_tag_table;
1327  }
1328  }
1329  }
1330  a->ip4_table_index = last_table;
1331  a->ip6_table_index = last_table;
1332  a->l2_table_index = last_table;
1333 
1334  a->out_ip4_table_index = out_last_table;
1335  a->out_ip6_table_index = out_last_table;
1336  a->out_l2_table_index = out_last_table;
1337 
1338  /* Populate the classifier tables with rules from the MACIP ACL */
1339  for (i = 0; i < a->count; i++)
1340  {
1341  u32 action = 0;
1342  u32 metadata = 0;
1343  int is6 = a->rules[i].is_ipv6;
1344  int l3_src_offs;
1345  int l3_dst_offs;
1346  u32 tag_table;
1347  int tags, eth;
1348 
1349  match_type_index =
1351  a->rules[i].src_prefixlen,
1352  a->rules[i].is_ipv6);
1353  ASSERT (match_type_index != ~0);
1354 
1355  for (tags = 2; tags >= 0; tags--)
1356  {
1357  clib_memset (mask, 0, sizeof (mask));
1358  l3_src_offs = tags * 4 + get_l3_src_offset (is6);
1359  memcpy (&mask[6], a->rules[i].src_mac, 6);
1360  switch (tags)
1361  {
1362  case 0:
1363  default:
1364  tag_table = mvec[match_type_index].table_index;
1365  eth = 12;
1366  break;
1367  case 1:
1368  tag_table = mvec[match_type_index].dot1q_table_index;
1369  mask[12] = 0x81;
1370  mask[13] = 0x00;
1371  eth = 16;
1372  break;
1373  case 2:
1374  tag_table = mvec[match_type_index].dot1ad_table_index;
1375  mask[12] = 0x88;
1376  mask[13] = 0xa8;
1377  mask[16] = 0x81;
1378  mask[17] = 0x00;
1379  eth = 20;
1380  break;
1381  }
1382  if (is6)
1383  {
1384  memcpy (&mask[l3_src_offs], &a->rules[i].src_ip_addr.ip6, 16);
1385  mask[eth] = 0x86;
1386  mask[eth + 1] = 0xdd;
1387  }
1388  else
1389  {
1390  memcpy (&mask[l3_src_offs], &a->rules[i].src_ip_addr.ip4, 4);
1391  mask[eth] = 0x08;
1392  mask[eth + 1] = 0x00;
1393  }
1394 
1395  /* add session to table mvec[match_type_index].table_index; */
1396  vnet_classify_add_del_session (cm, tag_table,
1397  mask, a->rules[i].is_permit ? ~0 : 0,
1398  i, 0, action, metadata, 1);
1399  clib_memset (&mask[12], 0, sizeof (mask) - 12);
1400  }
1401 
1402  /* add ARP table entry too */
1403  if (!is6 && (mvec[match_type_index].arp_table_index != ~0))
1404  {
1405  clib_memset (mask, 0, sizeof (mask));
1406  memcpy (&mask[6], a->rules[i].src_mac, 6);
1407 
1408  for (tags = 2; tags >= 0; tags--)
1409  {
1410  switch (tags)
1411  {
1412  case 0:
1413  default:
1414  tag_table = mvec[match_type_index].arp_table_index;
1415  mask[12] = 0x08;
1416  mask[13] = 0x06;
1417  l3_src_offs = 14;
1418  break;
1419  case 1:
1420  tag_table = mvec[match_type_index].arp_dot1q_table_index;
1421  mask[12] = 0x81;
1422  mask[13] = 0x00;
1423  mask[16] = 0x08;
1424  mask[17] = 0x06;
1425  l3_src_offs = 18;
1426  break;
1427  case 2:
1428  tag_table = mvec[match_type_index].arp_dot1ad_table_index;
1429  mask[12] = 0x88;
1430  mask[13] = 0xa8;
1431  mask[16] = 0x81;
1432  mask[17] = 0x00;
1433  mask[20] = 0x08;
1434  mask[21] = 0x06;
1435  l3_src_offs = 22;
1436  break;
1437  }
1438 
1439  memcpy (&mask[l3_src_offs + 8], a->rules[i].src_mac, 6);
1440  memcpy (&mask[l3_src_offs + 14], &a->rules[i].src_ip_addr.ip4,
1441  4);
1442  vnet_classify_add_del_session (cm, tag_table, mask,
1443  a->rules[i].is_permit ? ~0 : 0,
1444  i, 0, action, metadata, 1);
1445  }
1446  }
1448  {
1449  /* Add the egress entry with destination set */
1450  for (tags = 2; tags >= 0; tags--)
1451  {
1452  clib_memset (mask, 0, sizeof (mask));
1453  l3_dst_offs = tags * 4 + get_l3_dst_offset (is6);
1454  /* src mac in the other direction becomes dst */
1455  memcpy (&mask[0], a->rules[i].src_mac, 6);
1456  switch (tags)
1457  {
1458  case 0:
1459  default:
1460  tag_table = mvec[match_type_index].out_table_index;
1461  eth = 12;
1462  break;
1463  case 1:
1464  tag_table = mvec[match_type_index].out_dot1q_table_index;
1465  mask[12] = 0x81;
1466  mask[13] = 0x00;
1467  eth = 16;
1468  break;
1469  case 2:
1470  tag_table = mvec[match_type_index].out_dot1ad_table_index;
1471  mask[12] = 0x88;
1472  mask[13] = 0xa8;
1473  mask[16] = 0x81;
1474  mask[17] = 0x00;
1475  eth = 20;
1476  break;
1477  }
1478  if (is6)
1479  {
1480  memcpy (&mask[l3_dst_offs], &a->rules[i].src_ip_addr.ip6,
1481  16);
1482  mask[eth] = 0x86;
1483  mask[eth + 1] = 0xdd;
1484  }
1485  else
1486  {
1487  memcpy (&mask[l3_dst_offs], &a->rules[i].src_ip_addr.ip4,
1488  4);
1489  mask[eth] = 0x08;
1490  mask[eth + 1] = 0x00;
1491  }
1492 
1493  /* add session to table mvec[match_type_index].table_index; */
1494  vnet_classify_add_del_session (cm, tag_table,
1495  mask,
1496  a->rules[i].is_permit ? ~0 : 0,
1497  i, 0, action, metadata, 1);
1498  // clib_memset (&mask[12], 0, sizeof (mask) - 12);
1499  }
1500 
1501  /* add ARP table entry too */
1502  if (!is6 && (mvec[match_type_index].out_arp_table_index != ~0))
1503  {
1504  for (tags = 2; tags >= 0; tags--)
1505  {
1506  clib_memset (mask, 0, sizeof (mask));
1507  switch (tags)
1508  {
1509  case 0:
1510  default:
1511  tag_table = mvec[match_type_index].out_arp_table_index;
1512  mask[12] = 0x08;
1513  mask[13] = 0x06;
1514  break;
1515  case 1:
1516  tag_table =
1517  mvec[match_type_index].out_arp_dot1q_table_index;
1518  mask[12] = 0x81;
1519  mask[13] = 0x00;
1520  mask[16] = 0x08;
1521  mask[17] = 0x06;
1522  break;
1523  case 2:
1524  tag_table =
1525  mvec[match_type_index].out_arp_dot1ad_table_index;
1526  mask[12] = 0x88;
1527  mask[13] = 0xa8;
1528  mask[16] = 0x81;
1529  mask[17] = 0x00;
1530  mask[20] = 0x08;
1531  mask[21] = 0x06;
1532  break;
1533  }
1534 
1535  vnet_classify_add_del_session (cm, tag_table,
1536  mask,
1537  a->
1538  rules[i].is_permit ? ~0 : 0,
1539  i, 0, action, metadata, 1);
1540  }
1541  }
1542  }
1543  }
1544  return 0;
1545 }
1546 
1547 static void
1549 {
1551  macip_acl_list_t *a = pool_elt_at_index (am->macip_acls, macip_acl_index);
1552 
1553  if (a->ip4_table_index != ~0)
1554  {
1555  acl_classify_add_del_table_small (cm, 0, ~0, ~0, ~0,
1556  &a->ip4_table_index, 0);
1557  a->ip4_table_index = ~0;
1558  }
1559  if (a->ip6_table_index != ~0)
1560  {
1561  acl_classify_add_del_table_small (cm, 0, ~0, ~0, ~0,
1562  &a->ip6_table_index, 0);
1563  a->ip6_table_index = ~0;
1564  }
1565  if (a->l2_table_index != ~0)
1566  {
1567  acl_classify_add_del_table_small (cm, 0, ~0, ~0, ~0, &a->l2_table_index,
1568  0);
1569  a->l2_table_index = ~0;
1570  }
1571  if (a->out_ip4_table_index != ~0)
1572  {
1573  acl_classify_add_del_table_small (cm, 0, ~0, ~0, ~0,
1574  &a->out_ip4_table_index, 0);
1575  a->out_ip4_table_index = ~0;
1576  }
1577  if (a->out_ip6_table_index != ~0)
1578  {
1579  acl_classify_add_del_table_small (cm, 0, ~0, ~0, ~0,
1580  &a->out_ip6_table_index, 0);
1581  a->out_ip6_table_index = ~0;
1582  }
1583  if (a->out_l2_table_index != ~0)
1584  {
1585  acl_classify_add_del_table_small (cm, 0, ~0, ~0, ~0,
1586  &a->out_l2_table_index, 0);
1587  a->out_l2_table_index = ~0;
1588  }
1589 }
1590 
1591 static int
1593  int is_apply)
1594 {
1595  int rv = 0;
1596  int rv0 = 0;
1597  int i;
1598  macip_acl_list_t *a = pool_elt_at_index (am->macip_acls, acl_index);
1599 
1600  for (i = 0; i < vec_len (am->macip_acl_by_sw_if_index); i++)
1601  if (vec_elt (am->macip_acl_by_sw_if_index, i) == acl_index)
1602  {
1605  is_apply);
1606  /* return the first unhappy outcome but make try to plough through. */
1607  rv = rv || rv0;
1608  rv0 =
1611  a->out_l2_table_index, is_apply);
1612  /* return the first unhappy outcome but make try to plough through. */
1613  rv = rv || rv0;
1614  }
1615  return rv;
1616 }
1617 
1618 static int
1620  u32 * acl_list_index, u8 * tag)
1621 {
1622  acl_main_t *am = &acl_main;
1624  macip_acl_rule_t *r;
1625  macip_acl_rule_t *acl_new_rules = 0;
1626  int i;
1627  int rv = 0;
1628 
1629  if (*acl_list_index != ~0)
1630  {
1631  /* They supplied some number, let's see if this MACIP ACL exists */
1632  if (pool_is_free_index (am->macip_acls, *acl_list_index))
1633  {
1634  /* tried to replace a non-existent ACL, no point doing anything */
1635  clib_warning
1636  ("acl-plugin-error: Trying to replace nonexistent MACIP ACL %d (tag %s)",
1637  *acl_list_index, tag);
1638  return VNET_API_ERROR_NO_SUCH_ENTRY;
1639  }
1640  }
1641 
1642  if (0 == count)
1643  {
1644  clib_warning
1645  ("acl-plugin-warning: Trying to create empty MACIP ACL (tag %s)",
1646  tag);
1647  }
1648  /* if replacing the ACL, unapply the classifier tables first - they will be gone.. */
1649  if (~0 != *acl_list_index)
1650  rv = macip_maybe_apply_unapply_classifier_tables (am, *acl_list_index, 0);
1651  void *oldheap = acl_set_heap (am);
1652  /* Create and populate the rules */
1653  if (count > 0)
1654  vec_validate (acl_new_rules, count - 1);
1655 
1656  for (i = 0; i < count; i++)
1657  {
1658  r = &acl_new_rules[i];
1659  r->is_permit = rules[i].is_permit;
1660  r->is_ipv6 = rules[i].is_ipv6;
1661  memcpy (&r->src_mac, rules[i].src_mac, 6);
1662  memcpy (&r->src_mac_mask, rules[i].src_mac_mask, 6);
1663  if (rules[i].is_ipv6)
1664  memcpy (&r->src_ip_addr.ip6, rules[i].src_ip_addr, 16);
1665  else
1666  memcpy (&r->src_ip_addr.ip4, rules[i].src_ip_addr, 4);
1667  r->src_prefixlen = rules[i].src_ip_prefix_len;
1668  }
1669 
1670  if (~0 == *acl_list_index)
1671  {
1672  /* Get ACL index */
1674  clib_memset (a, 0, sizeof (*a));
1675  /* Will return the newly allocated ACL index */
1676  *acl_list_index = a - am->macip_acls;
1677  }
1678  else
1679  {
1680  a = pool_elt_at_index (am->macip_acls, *acl_list_index);
1681  if (a->rules)
1682  {
1683  vec_free (a->rules);
1684  }
1685  macip_destroy_classify_tables (am, *acl_list_index);
1686  }
1687 
1688  a->rules = acl_new_rules;
1689  a->count = count;
1690  memcpy (a->tag, tag, sizeof (a->tag));
1691 
1692  /* Create and populate the classifier tables */
1693  macip_create_classify_tables (am, *acl_list_index);
1694  clib_mem_set_heap (oldheap);
1695  /* If the ACL was already applied somewhere, reapply the newly created tables */
1696  rv = rv
1697  || macip_maybe_apply_unapply_classifier_tables (am, *acl_list_index, 1);
1698  return rv;
1699 }
1700 
1701 /* No check that sw_if_index denotes a valid interface - the callers
1702  * were supposed to validate.
1703  *
1704  * That said, if sw_if_index corresponds to an interface that exists at all,
1705  * this function must return errors accordingly if the ACL is not applied.
1706  */
1707 
1708 static int
1710 {
1711  int rv;
1712  u32 macip_acl_index;
1714 
1715  /* The vector is too short - MACIP ACL is not applied */
1716  if (sw_if_index >= vec_len (am->macip_acl_by_sw_if_index))
1717  return VNET_API_ERROR_NO_SUCH_ENTRY;
1718 
1719  macip_acl_index = am->macip_acl_by_sw_if_index[sw_if_index];
1720  /* No point in deleting MACIP ACL which is not applied */
1721  if (~0 == macip_acl_index)
1722  return VNET_API_ERROR_NO_SUCH_ENTRY;
1723 
1724  a = pool_elt_at_index (am->macip_acls, macip_acl_index);
1725  /* remove the classifier tables off the interface L2 ACL */
1726  rv =
1727  vnet_set_input_acl_intfc (am->vlib_main, sw_if_index, a->ip4_table_index,
1728  a->ip6_table_index, a->l2_table_index, 0);
1729  rv |=
1730  vnet_set_output_acl_intfc (am->vlib_main, sw_if_index,
1732  a->out_l2_table_index, 0);
1733  /* Unset the MACIP ACL index */
1735  /* macip_acl_interface_add_acl did a vec_add1() to this previously, so [sw_if_index] should be valid */
1736  u32 index = vec_search (am->sw_if_index_vec_by_macip_acl[macip_acl_index],
1737  sw_if_index);
1738  if (index != ~0)
1739  vec_del1 (am->sw_if_index_vec_by_macip_acl[macip_acl_index], index);
1740  return rv;
1741 }
1742 
1743 /* No check for validity of sw_if_index - the callers were supposed to validate */
1744 
1745 static int
1747  u32 macip_acl_index)
1748 {
1750  int rv;
1751  if (pool_is_free_index (am->macip_acls, macip_acl_index))
1752  {
1753  return VNET_API_ERROR_NO_SUCH_ENTRY;
1754  }
1755  void *oldheap = acl_set_heap (am);
1756  a = pool_elt_at_index (am->macip_acls, macip_acl_index);
1757  vec_validate_init_empty (am->macip_acl_by_sw_if_index, sw_if_index, ~0);
1758  vec_validate (am->sw_if_index_vec_by_macip_acl, macip_acl_index);
1759  vec_add1 (am->sw_if_index_vec_by_macip_acl[macip_acl_index], sw_if_index);
1760  clib_mem_set_heap (oldheap);
1761  /* If there already a MACIP ACL applied, unapply it */
1762  if (~0 != am->macip_acl_by_sw_if_index[sw_if_index])
1763  macip_acl_interface_del_acl (am, sw_if_index);
1764  am->macip_acl_by_sw_if_index[sw_if_index] = macip_acl_index;
1765 
1766  /* Apply the classifier tables for L2 ACLs */
1767  rv =
1768  vnet_set_input_acl_intfc (am->vlib_main, sw_if_index, a->ip4_table_index,
1769  a->ip6_table_index, a->l2_table_index, 1);
1770  rv |=
1771  vnet_set_output_acl_intfc (am->vlib_main, sw_if_index,
1773  a->out_l2_table_index, 1);
1774  return rv;
1775 }
1776 
1777 static int
1778 macip_acl_del_list (u32 acl_list_index)
1779 {
1780  acl_main_t *am = &acl_main;
1782  int i;
1783  if (pool_is_free_index (am->macip_acls, acl_list_index))
1784  {
1785  return VNET_API_ERROR_NO_SUCH_ENTRY;
1786  }
1787 
1788  /* delete any references to the ACL */
1789  for (i = 0; i < vec_len (am->macip_acl_by_sw_if_index); i++)
1790  {
1791  if (am->macip_acl_by_sw_if_index[i] == acl_list_index)
1792  {
1794  }
1795  }
1796 
1797  void *oldheap = acl_set_heap (am);
1798  /* Now that classifier tables are detached, clean them up */
1799  macip_destroy_classify_tables (am, acl_list_index);
1800 
1801  /* now we can delete the ACL itself */
1802  a = pool_elt_at_index (am->macip_acls, acl_list_index);
1803  if (a->rules)
1804  {
1805  vec_free (a->rules);
1806  }
1807  pool_put (am->macip_acls, a);
1808  clib_mem_set_heap (oldheap);
1809  return 0;
1810 }
1811 
1812 
1813 static int
1815  u32 acl_list_index)
1816 {
1817  acl_main_t *am = &acl_main;
1818  int rv = -1;
1819  if (is_add)
1820  {
1821  rv = macip_acl_interface_add_acl (am, sw_if_index, acl_list_index);
1822  }
1823  else
1824  {
1825  rv = macip_acl_interface_del_acl (am, sw_if_index);
1826  }
1827  return rv;
1828 }
1829 
1830 /*
1831  * If the client does not allocate enough memory for a variable-length
1832  * message, and then proceed to use it as if the full memory allocated,
1833  * absent the check we happily consume that on the VPP side, and go
1834  * along as if nothing happened. However, the resulting
1835  * effects range from just garbage in the API decode
1836  * (because the decoder snoops too far), to potential memory
1837  * corruptions.
1838  *
1839  * This verifies that the actual length of the message is
1840  * at least expected_len, and complains loudly if it is not.
1841  *
1842  * A failing check here is 100% a software bug on the API user side,
1843  * so we might as well yell.
1844  *
1845  */
1846 static int
1847 verify_message_len (void *mp, u32 expected_len, char *where)
1848 {
1849  u32 supplied_len = vl_msg_api_get_msg_length (mp);
1850  if (supplied_len < expected_len)
1851  {
1852  clib_warning ("%s: Supplied message length %d is less than expected %d",
1853  where, supplied_len, expected_len);
1854  return 0;
1855  }
1856  else
1857  {
1858  return 1;
1859  }
1860 }
1861 
1862 /* API message handler */
1863 static void
1865 {
1867  acl_main_t *am = &acl_main;
1868  int rv;
1869  u32 acl_list_index = ntohl (mp->acl_index);
1870  u32 acl_count = ntohl (mp->count);
1871  u32 expected_len = sizeof (*mp) + acl_count * sizeof (mp->r[0]);
1872 
1873  if (verify_message_len (mp, expected_len, "acl_add_replace"))
1874  {
1875  rv = acl_add_list (acl_count, mp->r, &acl_list_index, mp->tag);
1876  }
1877  else
1878  {
1879  rv = VNET_API_ERROR_INVALID_VALUE;
1880  }
1881 
1882  /* *INDENT-OFF* */
1883  REPLY_MACRO2(VL_API_ACL_ADD_REPLACE_REPLY,
1884  ({
1885  rmp->acl_index = htonl(acl_list_index);
1886  }));
1887  /* *INDENT-ON* */
1888 }
1889 
1890 static void
1892 {
1893  acl_main_t *am = &acl_main;
1894  vl_api_acl_del_reply_t *rmp;
1895  int rv;
1896 
1897  rv = acl_del_list (ntohl (mp->acl_index));
1898 
1899  REPLY_MACRO (VL_API_ACL_DEL_REPLY);
1900 }
1901 
1902 static void
1904 {
1905  acl_main_t *am = &acl_main;
1907  u32 sw_if_index = ntohl (mp->sw_if_index);
1908  vl_api_acl_interface_add_del_reply_t *rmp;
1909  int rv = -1;
1910 
1911  if (pool_is_free_index (im->sw_interfaces, sw_if_index))
1912  rv = VNET_API_ERROR_INVALID_SW_IF_INDEX;
1913  else
1914  rv =
1915  acl_interface_add_del_inout_acl (sw_if_index, mp->is_add,
1916  mp->is_input, ntohl (mp->acl_index));
1917 
1918  REPLY_MACRO (VL_API_ACL_INTERFACE_ADD_DEL_REPLY);
1919 }
1920 
1921 static void
1924 {
1925  acl_main_t *am = &acl_main;
1926  vl_api_acl_interface_set_acl_list_reply_t *rmp;
1927  int rv = 0;
1928  int i;
1930  u32 sw_if_index = ntohl (mp->sw_if_index);
1931 
1932  if (pool_is_free_index (im->sw_interfaces, sw_if_index))
1933  rv = VNET_API_ERROR_INVALID_SW_IF_INDEX;
1934  else
1935  {
1936  int may_clear_sessions = 1;
1937  for (i = 0; i < mp->count; i++)
1938  {
1939  if (acl_is_not_defined (am, ntohl (mp->acls[i])))
1940  {
1941  /* ACL does not exist, so we can not apply it */
1942  rv = VNET_API_ERROR_NO_SUCH_ENTRY;
1943  }
1944  }
1945  if (0 == rv)
1946  {
1947  void *oldheap = acl_set_heap (am);
1948 
1949  u32 *in_acl_vec = 0;
1950  u32 *out_acl_vec = 0;
1951  for (i = 0; i < mp->count; i++)
1952  if (i < mp->n_input)
1953  vec_add1 (in_acl_vec, clib_net_to_host_u32 (mp->acls[i]));
1954  else
1955  vec_add1 (out_acl_vec, clib_net_to_host_u32 (mp->acls[i]));
1956 
1957  rv =
1958  acl_interface_set_inout_acl_list (am, sw_if_index, 0, out_acl_vec,
1959  &may_clear_sessions);
1960  rv = rv
1961  || acl_interface_set_inout_acl_list (am, sw_if_index, 1,
1962  in_acl_vec,
1963  &may_clear_sessions);
1964  vec_free (in_acl_vec);
1965  vec_free (out_acl_vec);
1966  clib_mem_set_heap (oldheap);
1967  }
1968  }
1969 
1970  REPLY_MACRO (VL_API_ACL_INTERFACE_SET_ACL_LIST_REPLY);
1971 }
1972 
1973 static void
1975 {
1976  api_rule->is_permit = r->is_permit;
1977  api_rule->is_ipv6 = r->is_ipv6;
1978  if (r->is_ipv6)
1979  {
1980  memcpy (api_rule->src_ip_addr, &r->src, sizeof (r->src));
1981  memcpy (api_rule->dst_ip_addr, &r->dst, sizeof (r->dst));
1982  }
1983  else
1984  {
1985  memcpy (api_rule->src_ip_addr, &r->src.ip4, sizeof (r->src.ip4));
1986  memcpy (api_rule->dst_ip_addr, &r->dst.ip4, sizeof (r->dst.ip4));
1987  }
1988  api_rule->src_ip_prefix_len = r->src_prefixlen;
1989  api_rule->dst_ip_prefix_len = r->dst_prefixlen;
1990  api_rule->proto = r->proto;
1991  api_rule->srcport_or_icmptype_first = htons (r->src_port_or_type_first);
1992  api_rule->srcport_or_icmptype_last = htons (r->src_port_or_type_last);
1993  api_rule->dstport_or_icmpcode_first = htons (r->dst_port_or_code_first);
1994  api_rule->dstport_or_icmpcode_last = htons (r->dst_port_or_code_last);
1995  api_rule->tcp_flags_mask = r->tcp_flags_mask;
1996  api_rule->tcp_flags_value = r->tcp_flags_value;
1997 }
1998 
1999 static void
2001  acl_list_t * acl, u32 context)
2002 {
2005  int i;
2006  int msg_size = sizeof (*mp) + sizeof (mp->r[0]) * acl->count;
2007  void *oldheap = acl_set_heap (am);
2008 
2009  mp = vl_msg_api_alloc (msg_size);
2010  clib_memset (mp, 0, msg_size);
2011  mp->_vl_msg_id = ntohs (VL_API_ACL_DETAILS + am->msg_id_base);
2012 
2013  /* fill in the message */
2014  mp->context = context;
2015  mp->count = htonl (acl->count);
2016  mp->acl_index = htonl (acl - am->acls);
2017  memcpy (mp->tag, acl->tag, sizeof (mp->tag));
2018  // clib_memcpy (mp->r, acl->rules, acl->count * sizeof(acl->rules[0]));
2019  rules = mp->r;
2020  for (i = 0; i < acl->count; i++)
2021  {
2022  copy_acl_rule_to_api_rule (&rules[i], &acl->rules[i]);
2023  }
2024 
2025  clib_mem_set_heap (oldheap);
2026  vl_api_send_msg (reg, (u8 *) mp);
2027 }
2028 
2029 
2030 static void
2032 {
2033  acl_main_t *am = &acl_main;
2034  u32 acl_index;
2035  acl_list_t *acl;
2036  int rv = -1;
2037  vl_api_registration_t *reg;
2038 
2040  if (!reg)
2041  return;
2042 
2043  if (mp->acl_index == ~0)
2044  {
2045  /* *INDENT-OFF* */
2046  /* Just dump all ACLs */
2047  pool_foreach (acl, am->acls,
2048  ({
2049  send_acl_details(am, reg, acl, mp->context);
2050  }));
2051  /* *INDENT-ON* */
2052  }
2053  else
2054  {
2055  acl_index = ntohl (mp->acl_index);
2056  if (!pool_is_free_index (am->acls, acl_index))
2057  {
2058  acl = pool_elt_at_index (am->acls, acl_index);
2059  send_acl_details (am, reg, acl, mp->context);
2060  }
2061  }
2062 
2063  if (rv == -1)
2064  {
2065  /* FIXME API: should we signal an error here at all ? */
2066  return;
2067  }
2068 }
2069 
2070 static void
2072  vl_api_registration_t * reg,
2073  u32 sw_if_index, u32 context)
2074 {
2076  int msg_size;
2077  int n_input;
2078  int n_output;
2079  int count;
2080  int i = 0;
2081  void *oldheap = acl_set_heap (am);
2082 
2083  vec_validate (am->input_acl_vec_by_sw_if_index, sw_if_index);
2084  vec_validate (am->output_acl_vec_by_sw_if_index, sw_if_index);
2085 
2086  clib_mem_set_heap (oldheap);
2087 
2088  n_input = vec_len (am->input_acl_vec_by_sw_if_index[sw_if_index]);
2089  n_output = vec_len (am->output_acl_vec_by_sw_if_index[sw_if_index]);
2090  count = n_input + n_output;
2091 
2092  msg_size = sizeof (*mp);
2093  msg_size += sizeof (mp->acls[0]) * count;
2094 
2095  mp = vl_msg_api_alloc (msg_size);
2096  clib_memset (mp, 0, msg_size);
2097  mp->_vl_msg_id =
2098  ntohs (VL_API_ACL_INTERFACE_LIST_DETAILS + am->msg_id_base);
2099 
2100  /* fill in the message */
2101  mp->context = context;
2102  mp->sw_if_index = htonl (sw_if_index);
2103  mp->count = count;
2104  mp->n_input = n_input;
2105  for (i = 0; i < n_input; i++)
2106  {
2107  mp->acls[i] = htonl (am->input_acl_vec_by_sw_if_index[sw_if_index][i]);
2108  }
2109  for (i = 0; i < n_output; i++)
2110  {
2111  mp->acls[n_input + i] =
2112  htonl (am->output_acl_vec_by_sw_if_index[sw_if_index][i]);
2113  }
2114  vl_api_send_msg (reg, (u8 *) mp);
2115 }
2116 
2117 static void
2119  mp)
2120 {
2121  acl_main_t *am = &acl_main;
2122  vnet_sw_interface_t *swif;
2124 
2125  u32 sw_if_index;
2126  vl_api_registration_t *reg;
2127 
2129  if (!reg)
2130  return;
2131 
2132  if (mp->sw_if_index == ~0)
2133  {
2134  /* *INDENT-OFF* */
2135  pool_foreach (swif, im->sw_interfaces,
2136  ({
2137  send_acl_interface_list_details(am, reg, swif->sw_if_index, mp->context);
2138  }));
2139  /* *INDENT-ON* */
2140  }
2141  else
2142  {
2143  sw_if_index = ntohl (mp->sw_if_index);
2144  if (!pool_is_free_index (im->sw_interfaces, sw_if_index))
2145  send_acl_interface_list_details (am, reg, sw_if_index, mp->context);
2146  }
2147 }
2148 
2149 /* MACIP ACL API handlers */
2150 
2151 static void
2153 {
2155  acl_main_t *am = &acl_main;
2156  int rv;
2157  u32 acl_list_index = ~0;
2158  u32 acl_count = ntohl (mp->count);
2159  u32 expected_len = sizeof (*mp) + acl_count * sizeof (mp->r[0]);
2160 
2161  if (verify_message_len (mp, expected_len, "macip_acl_add"))
2162  {
2163  rv = macip_acl_add_list (acl_count, mp->r, &acl_list_index, mp->tag);
2164  }
2165  else
2166  {
2167  rv = VNET_API_ERROR_INVALID_VALUE;
2168  }
2169 
2170  /* *INDENT-OFF* */
2171  REPLY_MACRO2(VL_API_MACIP_ACL_ADD_REPLY,
2172  ({
2173  rmp->acl_index = htonl(acl_list_index);
2174  }));
2175  /* *INDENT-ON* */
2176 }
2177 
2178 static void
2180 {
2182  acl_main_t *am = &acl_main;
2183  int rv;
2184  u32 acl_list_index = ntohl (mp->acl_index);
2185  u32 acl_count = ntohl (mp->count);
2186  u32 expected_len = sizeof (*mp) + acl_count * sizeof (mp->r[0]);
2187 
2188  if (verify_message_len (mp, expected_len, "macip_acl_add_replace"))
2189  {
2190  rv = macip_acl_add_list (acl_count, mp->r, &acl_list_index, mp->tag);
2191  }
2192  else
2193  {
2194  rv = VNET_API_ERROR_INVALID_VALUE;
2195  }
2196 
2197  /* *INDENT-OFF* */
2198  REPLY_MACRO2(VL_API_MACIP_ACL_ADD_REPLACE_REPLY,
2199  ({
2200  rmp->acl_index = htonl(acl_list_index);
2201  }));
2202  /* *INDENT-ON* */
2203 }
2204 
2205 static void
2207 {
2208  acl_main_t *am = &acl_main;
2209  vl_api_macip_acl_del_reply_t *rmp;
2210  int rv;
2211 
2212  rv = macip_acl_del_list (ntohl (mp->acl_index));
2213 
2214  REPLY_MACRO (VL_API_MACIP_ACL_DEL_REPLY);
2215 }
2216 
2217 static void
2220 {
2221  acl_main_t *am = &acl_main;
2222  vl_api_macip_acl_interface_add_del_reply_t *rmp;
2223  int rv = -1;
2225  u32 sw_if_index = ntohl (mp->sw_if_index);
2226 
2227  if (pool_is_free_index (im->sw_interfaces, sw_if_index))
2228  rv = VNET_API_ERROR_INVALID_SW_IF_INDEX;
2229  else
2230  rv =
2232  ntohl (mp->acl_index));
2233 
2234  REPLY_MACRO (VL_API_MACIP_ACL_INTERFACE_ADD_DEL_REPLY);
2235 }
2236 
2237 static void
2239  macip_acl_list_t * acl, u32 context)
2240 {
2243  macip_acl_rule_t *r;
2244  int i;
2245  int msg_size = sizeof (*mp) + (acl ? sizeof (mp->r[0]) * acl->count : 0);
2246 
2247  mp = vl_msg_api_alloc (msg_size);
2248  clib_memset (mp, 0, msg_size);
2249  mp->_vl_msg_id = ntohs (VL_API_MACIP_ACL_DETAILS + am->msg_id_base);
2250 
2251  /* fill in the message */
2252  mp->context = context;
2253  if (acl)
2254  {
2255  memcpy (mp->tag, acl->tag, sizeof (mp->tag));
2256  mp->count = htonl (acl->count);
2257  mp->acl_index = htonl (acl - am->macip_acls);
2258  rules = mp->r;
2259  for (i = 0; i < acl->count; i++)
2260  {
2261  r = &acl->rules[i];
2262  rules[i].is_permit = r->is_permit;
2263  rules[i].is_ipv6 = r->is_ipv6;
2264  memcpy (rules[i].src_mac, &r->src_mac, sizeof (r->src_mac));
2265  memcpy (rules[i].src_mac_mask, &r->src_mac_mask,
2266  sizeof (r->src_mac_mask));
2267  if (r->is_ipv6)
2268  memcpy (rules[i].src_ip_addr, &r->src_ip_addr.ip6,
2269  sizeof (r->src_ip_addr.ip6));
2270  else
2271  memcpy (rules[i].src_ip_addr, &r->src_ip_addr.ip4,
2272  sizeof (r->src_ip_addr.ip4));
2273  rules[i].src_ip_prefix_len = r->src_prefixlen;
2274  }
2275  }
2276  else
2277  {
2278  /* No martini, no party - no ACL applied to this interface. */
2279  mp->acl_index = ~0;
2280  mp->count = 0;
2281  }
2282 
2283  vl_api_send_msg (reg, (u8 *) mp);
2284 }
2285 
2286 
2287 static void
2289 {
2290  acl_main_t *am = &acl_main;
2291  macip_acl_list_t *acl;
2292 
2293  vl_api_registration_t *reg;
2294 
2296  if (!reg)
2297  return;
2298 
2299  if (mp->acl_index == ~0)
2300  {
2301  /* Just dump all ACLs for now, with sw_if_index = ~0 */
2302  pool_foreach (acl, am->macip_acls, (
2303  {
2304  send_macip_acl_details (am, reg,
2305  acl,
2306  mp->context);
2307  }
2308  ));
2309  /* *INDENT-ON* */
2310  }
2311  else
2312  {
2313  u32 acl_index = ntohl (mp->acl_index);
2314  if (!pool_is_free_index (am->macip_acls, acl_index))
2315  {
2316  acl = pool_elt_at_index (am->macip_acls, acl_index);
2317  send_macip_acl_details (am, reg, acl, mp->context);
2318  }
2319  }
2320 }
2321 
2322 static void
2324  mp)
2325 {
2326  acl_main_t *am = &acl_main;
2329  int msg_size = sizeof (*rmp) + sizeof (rmp->acls[0]) * count;
2330  vl_api_registration_t *reg;
2331  int i;
2332 
2334  if (!reg)
2335  return;
2336 
2337  rmp = vl_msg_api_alloc (msg_size);
2338  clib_memset (rmp, 0, msg_size);
2339  rmp->_vl_msg_id =
2340  ntohs (VL_API_MACIP_ACL_INTERFACE_GET_REPLY + am->msg_id_base);
2341  rmp->context = mp->context;
2342  rmp->count = htonl (count);
2343  for (i = 0; i < count; i++)
2344  {
2345  rmp->acls[i] = htonl (am->macip_acl_by_sw_if_index[i]);
2346  }
2347 
2348  vl_api_send_msg (reg, (u8 *) rmp);
2349 }
2350 
2351 static void
2353  vl_api_registration_t * reg,
2354  u32 sw_if_index,
2355  u32 acl_index, u32 context)
2356 {
2358  /* at this time there is only ever 1 mac ip acl per interface */
2359  int msg_size = sizeof (*rmp) + sizeof (rmp->acls[0]);
2360 
2361  rmp = vl_msg_api_alloc (msg_size);
2362  clib_memset (rmp, 0, msg_size);
2363  rmp->_vl_msg_id =
2364  ntohs (VL_API_MACIP_ACL_INTERFACE_LIST_DETAILS + am->msg_id_base);
2365 
2366  /* fill in the message */
2367  rmp->context = context;
2368  rmp->count = 1;
2369  rmp->sw_if_index = htonl (sw_if_index);
2370  rmp->acls[0] = htonl (acl_index);
2371 
2372  vl_api_send_msg (reg, (u8 *) rmp);
2373 }
2374 
2375 static void
2378 {
2379  vl_api_registration_t *reg;
2380  acl_main_t *am = &acl_main;
2381  u32 sw_if_index = ntohl (mp->sw_if_index);
2382 
2384  if (!reg)
2385  return;
2386 
2387  if (sw_if_index == ~0)
2388  {
2389  vec_foreach_index (sw_if_index, am->macip_acl_by_sw_if_index)
2390  {
2391  if (~0 != am->macip_acl_by_sw_if_index[sw_if_index])
2392  {
2393  send_macip_acl_interface_list_details (am, reg, sw_if_index,
2395  [sw_if_index],
2396  mp->context);
2397  }
2398  }
2399  }
2400  else
2401  {
2402  if (vec_len (am->macip_acl_by_sw_if_index) > sw_if_index)
2403  {
2404  send_macip_acl_interface_list_details (am, reg, sw_if_index,
2406  [sw_if_index], mp->context);
2407  }
2408  }
2409 }
2410 
2411 static void
2414 {
2415  acl_main_t *am = &acl_main;
2416  vl_api_acl_interface_set_etype_whitelist_reply_t *rmp;
2417  int rv = 0;
2418  int i;
2420  u32 sw_if_index = ntohl (mp->sw_if_index);
2421  u16 *vec_in = 0, *vec_out = 0;
2422  void *oldheap = acl_set_heap (am);
2423 
2424  if (pool_is_free_index (im->sw_interfaces, sw_if_index))
2425  rv = VNET_API_ERROR_INVALID_SW_IF_INDEX;
2426  else
2427  {
2428  for (i = 0; i < mp->count; i++)
2429  {
2430  if (i < mp->n_input)
2431  vec_add1 (vec_in, ntohs (mp->whitelist[i]));
2432  else
2433  vec_add1 (vec_out, ntohs (mp->whitelist[i]));
2434  }
2435  rv = acl_set_etype_whitelists (am, sw_if_index, vec_in, vec_out);
2436  }
2437 
2438  clib_mem_set_heap (oldheap);
2439  REPLY_MACRO (VL_API_ACL_INTERFACE_SET_ETYPE_WHITELIST_REPLY);
2440 }
2441 
2442 static void
2444  vl_api_registration_t * reg,
2445  u32 sw_if_index, u32 context)
2446 {
2448  int msg_size;
2449  int n_input = 0;
2450  int n_output = 0;
2451  int count = 0;
2452  int i = 0;
2453 
2454  u16 *whitelist_in = 0;
2455  u16 *whitelist_out = 0;
2456 
2457  if (intf_has_etype_whitelist (am, sw_if_index, 0))
2458  whitelist_out =
2460 
2461  if (intf_has_etype_whitelist (am, sw_if_index, 1))
2462  whitelist_in =
2463  vec_elt (am->input_etype_whitelist_by_sw_if_index, sw_if_index);
2464 
2465  if ((0 == whitelist_in) && (0 == whitelist_out))
2466  return; /* nothing to do */
2467 
2468  void *oldheap = acl_set_heap (am);
2469 
2470  n_input = vec_len (whitelist_in);
2471  n_output = vec_len (whitelist_out);
2472  count = n_input + n_output;
2473 
2474  msg_size = sizeof (*mp);
2475  msg_size += sizeof (mp->whitelist[0]) * count;
2476 
2477  mp = vl_msg_api_alloc (msg_size);
2478  clib_memset (mp, 0, msg_size);
2479  mp->_vl_msg_id =
2480  ntohs (VL_API_ACL_INTERFACE_ETYPE_WHITELIST_DETAILS + am->msg_id_base);
2481 
2482  /* fill in the message */
2483  mp->context = context;
2484  mp->sw_if_index = htonl (sw_if_index);
2485  mp->count = count;
2486  mp->n_input = n_input;
2487  for (i = 0; i < n_input; i++)
2488  {
2489  mp->whitelist[i] = htons (whitelist_in[i]);
2490  }
2491  for (i = 0; i < n_output; i++)
2492  {
2493  mp->whitelist[n_input + i] = htons (whitelist_out[i]);
2494  }
2495  clib_mem_set_heap (oldheap);
2496  vl_api_send_msg (reg, (u8 *) mp);
2497 }
2498 
2499 
2500 static void
2503 {
2504  acl_main_t *am = &acl_main;
2505  vnet_sw_interface_t *swif;
2507 
2508  u32 sw_if_index;
2509  vl_api_registration_t *reg;
2510 
2512  if (!reg)
2513  return;
2514 
2515  if (mp->sw_if_index == ~0)
2516  {
2517  /* *INDENT-OFF* */
2518  pool_foreach (swif, im->sw_interfaces,
2519  ({
2520  send_acl_interface_etype_whitelist_details(am, reg, swif->sw_if_index, mp->context);
2521  }));
2522  /* *INDENT-ON* */
2523  }
2524  else
2525  {
2526  sw_if_index = ntohl (mp->sw_if_index);
2527  if (!pool_is_free_index (im->sw_interfaces, sw_if_index))
2528  send_acl_interface_etype_whitelist_details (am, reg, sw_if_index,
2529  mp->context);
2530  }
2531 }
2532 
2533 
2534 
2535 /* Set up the API message handling tables */
2536 static clib_error_t *
2538 {
2539  acl_main_t *am = &acl_main;
2540 #define _(N,n) \
2541  vl_msg_api_set_handlers((VL_API_##N + am->msg_id_base), \
2542  #n, \
2543  vl_api_##n##_t_handler, \
2544  vl_noop_handler, \
2545  vl_api_##n##_t_endian, \
2546  vl_api_##n##_t_print, \
2547  sizeof(vl_api_##n##_t), 1);
2549 #undef _
2550 
2551  return 0;
2552 }
2553 
2554 #define vl_msg_name_crc_list
2555 #include <acl/acl_all_api_h.h>
2556 #undef vl_msg_name_crc_list
2557 
2558 static void
2560 {
2561 #define _(id,n,crc) \
2562  vl_msg_api_add_msg_name_crc (apim, #n "_" #crc, id + am->msg_id_base);
2563  foreach_vl_msg_name_crc_acl;
2564 #undef _
2565 }
2566 
2567 static void
2568 acl_set_timeout_sec (int timeout_type, u32 value)
2569 {
2570  acl_main_t *am = &acl_main;
2571  clib_time_t *ct = &am->vlib_main->clib_time;
2572 
2573  if (timeout_type < ACL_N_TIMEOUTS)
2574  {
2575  am->session_timeout_sec[timeout_type] = value;
2576  }
2577  else
2578  {
2579  clib_warning ("Unknown timeout type %d", timeout_type);
2580  return;
2581  }
2582  am->session_timeout[timeout_type] =
2583  (u64) (((f64) value) / ct->seconds_per_clock);
2584 }
2585 
2586 static void
2588 {
2589  acl_main_t *am = &acl_main;
2590  am->fa_conn_table_max_entries = value;
2591 }
2592 
2593 static int
2595 {
2596  acl_main_t *am = &acl_main;
2597 
2598  if ((eh < 256) && (value < 2))
2599  {
2601  clib_bitmap_set (am->fa_ipv6_known_eh_bitmap, eh, value);
2602  return 1;
2603  }
2604  else
2605  return 0;
2606 }
2607 
2608 
2609 static clib_error_t *
2611 {
2612  acl_main_t *am = &acl_main;
2613  if (0 == am->acl_mheap)
2614  {
2615  /* ACL heap is not initialized, so definitely nothing to do. */
2616  return 0;
2617  }
2618  if (0 == is_add)
2619  {
2620  int may_clear_sessions = 1;
2623  sw_if_index);
2624  /* also unapply any ACLs in case the users did not do so. */
2625  macip_acl_interface_del_acl (am, sw_if_index);
2626  acl_interface_reset_inout_acls (sw_if_index, 0, &may_clear_sessions);
2627  acl_interface_reset_inout_acls (sw_if_index, 1, &may_clear_sessions);
2628  }
2629  return 0;
2630 }
2631 
2633 
2634 
2635 
2636 static clib_error_t *
2638  unformat_input_t * input, vlib_cli_command_t * cmd)
2639 {
2640  clib_error_t *error = 0;
2641  u32 timeout = 0;
2642  u32 val = 0;
2643  u32 eh_val = 0;
2644  uword memory_size = 0;
2645  acl_main_t *am = &acl_main;
2646 
2647  if (unformat (input, "skip-ipv6-extension-header %u %u", &eh_val, &val))
2648  {
2649  if (!acl_set_skip_ipv6_eh (eh_val, val))
2650  {
2651  error = clib_error_return (0, "expecting eh=0..255, value=0..1");
2652  }
2653  goto done;
2654  }
2655  if (unformat (input, "use-hash-acl-matching %u", &val))
2656  {
2657  am->use_hash_acl_matching = (val != 0);
2658  goto done;
2659  }
2660  if (unformat (input, "l4-match-nonfirst-fragment %u", &val))
2661  {
2662  am->l4_match_nonfirst_fragment = (val != 0);
2663  goto done;
2664  }
2665  if (unformat (input, "reclassify-sessions %u", &val))
2666  {
2667  am->reclassify_sessions = (val != 0);
2668  goto done;
2669  }
2670  if (unformat (input, "event-trace"))
2671  {
2672  if (!unformat (input, "%u", &val))
2673  {
2674  error = clib_error_return (0,
2675  "expecting trace level, got `%U`",
2676  format_unformat_error, input);
2677  goto done;
2678  }
2679  else
2680  {
2681  am->trace_acl = val;
2682  goto done;
2683  }
2684  }
2685  if (unformat (input, "heap"))
2686  {
2687  if (unformat (input, "main"))
2688  {
2689  if (unformat (input, "validate %u", &val))
2691  else if (unformat (input, "trace %u", &val))
2693  goto done;
2694  }
2695  else if (unformat (input, "hash"))
2696  {
2697  if (unformat (input, "validate %u", &val))
2699  else if (unformat (input, "trace %u", &val))
2701  goto done;
2702  }
2703  goto done;
2704  }
2705  if (unformat (input, "session"))
2706  {
2707  if (unformat (input, "table"))
2708  {
2709  /* The commands here are for tuning/testing. No user-serviceable parts inside */
2710  if (unformat (input, "max-entries"))
2711  {
2712  if (!unformat (input, "%u", &val))
2713  {
2714  error = clib_error_return (0,
2715  "expecting maximum number of entries, got `%U`",
2716  format_unformat_error, input);
2717  goto done;
2718  }
2719  else
2720  {
2722  goto done;
2723  }
2724  }
2725  if (unformat (input, "hash-table-buckets"))
2726  {
2727  if (!unformat (input, "%u", &val))
2728  {
2729  error = clib_error_return (0,
2730  "expecting maximum number of hash table buckets, got `%U`",
2731  format_unformat_error, input);
2732  goto done;
2733  }
2734  else
2735  {
2737  goto done;
2738  }
2739  }
2740  if (unformat (input, "hash-table-memory"))
2741  {
2742  if (!unformat (input, "%U", unformat_memory_size, &memory_size))
2743  {
2744  error = clib_error_return (0,
2745  "expecting maximum amount of hash table memory, got `%U`",
2746  format_unformat_error, input);
2747  goto done;
2748  }
2749  else
2750  {
2752  goto done;
2753  }
2754  }
2755  if (unformat (input, "event-trace"))
2756  {
2757  if (!unformat (input, "%u", &val))
2758  {
2759  error = clib_error_return (0,
2760  "expecting trace level, got `%U`",
2761  format_unformat_error, input);
2762  goto done;
2763  }
2764  else
2765  {
2766  am->trace_sessions = val;
2767  goto done;
2768  }
2769  }
2770  goto done;
2771  }
2772  if (unformat (input, "timeout"))
2773  {
2774  if (unformat (input, "udp"))
2775  {
2776  if (unformat (input, "idle"))
2777  {
2778  if (!unformat (input, "%u", &timeout))
2779  {
2780  error = clib_error_return (0,
2781  "expecting timeout value in seconds, got `%U`",
2783  input);
2784  goto done;
2785  }
2786  else
2787  {
2789  goto done;
2790  }
2791  }
2792  }
2793  if (unformat (input, "tcp"))
2794  {
2795  if (unformat (input, "idle"))
2796  {
2797  if (!unformat (input, "%u", &timeout))
2798  {
2799  error = clib_error_return (0,
2800  "expecting timeout value in seconds, got `%U`",
2802  input);
2803  goto done;
2804  }
2805  else
2806  {
2808  goto done;
2809  }
2810  }
2811  if (unformat (input, "transient"))
2812  {
2813  if (!unformat (input, "%u", &timeout))
2814  {
2815  error = clib_error_return (0,
2816  "expecting timeout value in seconds, got `%U`",
2818  input);
2819  goto done;
2820  }
2821  else
2822  {
2824  timeout);
2825  goto done;
2826  }
2827  }
2828  }
2829  goto done;
2830  }
2831  }
2832 done:
2833  return error;
2834 }
2835 
2836 static u8 *
2837 my_format_mac_address (u8 * s, va_list * args)
2838 {
2839  u8 *a = va_arg (*args, u8 *);
2840  return format (s, "%02x:%02x:%02x:%02x:%02x:%02x",
2841  a[0], a[1], a[2], a[3], a[4], a[5]);
2842 }
2843 
2844 static inline u8 *
2845 my_macip_acl_rule_t_pretty_format (u8 * out, va_list * args)
2846 {
2847  macip_acl_rule_t *a = va_arg (*args, macip_acl_rule_t *);
2848 
2849  out = format (out, "%s action %d ip %U/%d mac %U mask %U",
2850  a->is_ipv6 ? "ipv6" : "ipv4", a->is_permit,
2853  a->src_prefixlen,
2856  return (out);
2857 }
2858 
2859 static void
2860 macip_acl_print (acl_main_t * am, u32 macip_acl_index)
2861 {
2862  vlib_main_t *vm = am->vlib_main;
2863  int i;
2864 
2865  /* Don't try to print someone else's memory */
2866  if (macip_acl_index >= vec_len (am->macip_acls))
2867  return;
2868 
2869  macip_acl_list_t *a = vec_elt_at_index (am->macip_acls, macip_acl_index);
2870  int free_pool_slot = pool_is_free_index (am->macip_acls, macip_acl_index);
2871 
2872  vlib_cli_output (vm,
2873  "MACIP acl_index: %d, count: %d (true len %d) tag {%s} is free pool slot: %d\n",
2874  macip_acl_index, a->count, vec_len (a->rules), a->tag,
2875  free_pool_slot);
2876  vlib_cli_output (vm,
2877  " ip4_table_index %d, ip6_table_index %d, l2_table_index %d\n",
2879  vlib_cli_output (vm,
2880  " out_ip4_table_index %d, out_ip6_table_index %d, out_l2_table_index %d\n",
2882  a->out_l2_table_index);
2883  for (i = 0; i < vec_len (a->rules); i++)
2884  vlib_cli_output (vm, " rule %d: %U\n", i,
2886  vec_elt_at_index (a->rules, i));
2887 
2888 }
2889 
2890 static clib_error_t *
2893  input, vlib_cli_command_t * cmd)
2894 {
2895  clib_error_t *error = 0;
2896  acl_main_t *am = &acl_main;
2897  int i;
2898  u32 acl_index = ~0;
2899 
2900  (void) unformat (input, "index %u", &acl_index);
2901 
2902  for (i = 0; i < vec_len (am->macip_acls); i++)
2903  {
2904  /* Don't attempt to show the ACLs that do not exist */
2905  if (pool_is_free_index (am->macip_acls, i))
2906  continue;
2907 
2908  if ((acl_index != ~0) && (acl_index != i))
2909  {
2910  continue;
2911  }
2912 
2913  macip_acl_print (am, i);
2914  if (i < vec_len (am->sw_if_index_vec_by_macip_acl))
2915  {
2916  vlib_cli_output (vm, " applied on sw_if_index(s): %U\n",
2917  format_vec32,
2919  "%d");
2920  }
2921  }
2922 
2923  return error;
2924 }
2925 
2926 static clib_error_t *
2929  input, vlib_cli_command_t * cmd)
2930 {
2931  clib_error_t *error = 0;
2932  acl_main_t *am = &acl_main;
2933  int i;
2934  for (i = 0; i < vec_len (am->macip_acl_by_sw_if_index); i++)
2935  {
2936  vlib_cli_output (vm, " sw_if_index %d: %d\n", i,
2938  }
2939  return error;
2940 }
2941 
2942 static void
2944 {
2945  u32 i;
2946  vlib_main_t *vm = am->vlib_main;
2947 
2948  for (i = 0; i < vec_len (am->acls); i++)
2949  {
2950  if (acl_is_not_defined (am, i))
2951  {
2952  /* don't attempt to show the ACLs that do not exist */
2953  continue;
2954  }
2955  if ((acl_index != ~0) && (acl_index != i))
2956  {
2957  continue;
2958  }
2959  acl_print_acl (vm, am, i);
2960 
2961  if (i < vec_len (am->input_sw_if_index_vec_by_acl))
2962  {
2963  vlib_cli_output (vm, " applied inbound on sw_if_index: %U\n",
2965  "%d");
2966  }
2967  if (i < vec_len (am->output_sw_if_index_vec_by_acl))
2968  {
2969  vlib_cli_output (vm, " applied outbound on sw_if_index: %U\n",
2971  "%d");
2972  }
2973  if (i < vec_len (am->lc_index_vec_by_acl))
2974  {
2975  vlib_cli_output (vm, " used in lookup context index: %U\n",
2976  format_vec32, am->lc_index_vec_by_acl[i], "%d");
2977  }
2978  }
2979 }
2980 
2981 static clib_error_t *
2983  unformat_input_t * input, vlib_cli_command_t * cmd)
2984 {
2985  clib_error_t *error = 0;
2986  acl_main_t *am = &acl_main;
2987 
2988  u32 acl_index = ~0;
2989  (void) unformat (input, "index %u", &acl_index);
2990 
2991  acl_plugin_show_acl (am, acl_index);
2992  return error;
2993 }
2994 
2995 static clib_error_t *
2997  unformat_input_t * input,
2998  vlib_cli_command_t * cmd)
2999 {
3000  clib_error_t *error = 0;
3001 
3002  u32 lc_index = ~0;
3003  (void) unformat (input, "index %u", &lc_index);
3004 
3005  acl_plugin_show_lookup_context (lc_index);
3006  return error;
3007 }
3008 
3009 static clib_error_t *
3011  unformat_input_t * input,
3012  vlib_cli_command_t * cmd)
3013 {
3014  clib_error_t *error = 0;
3015 
3016  u32 lc_index = ~0;
3017  (void) unformat (input, "index %u", &lc_index);
3018 
3019  acl_plugin_show_lookup_user (lc_index);
3020  return error;
3021 }
3022 
3023 
3024 static void
3026  int detail)
3027 {
3028  vlib_main_t *vm = am->vlib_main;
3029  u32 swi;
3030  u32 *pj;
3031  for (swi = 0; (swi < vec_len (am->input_acl_vec_by_sw_if_index)) ||
3032  (swi < vec_len (am->output_acl_vec_by_sw_if_index)); swi++)
3033  {
3034  /* if we need a particular interface, skip all the others */
3035  if ((sw_if_index != ~0) && (sw_if_index != swi))
3036  continue;
3037 
3038  vlib_cli_output (vm, "sw_if_index %d:\n", swi);
3040  vlib_cli_output (vm, " input policy epoch: %x\n",
3042  swi));
3044  vlib_cli_output (vm, " output policy epoch: %x\n",
3046  swi));
3047 
3048 
3049  if (intf_has_etype_whitelist (am, swi, 1))
3050  {
3051  vlib_cli_output (vm, " input etype whitelist: %U", format_vec16,
3053  "%04x");
3054  }
3055  if (intf_has_etype_whitelist (am, swi, 0))
3056  {
3057  vlib_cli_output (vm, " output etype whitelist: %U", format_vec16,
3059  "%04x");
3060  }
3061 
3062  if ((swi < vec_len (am->input_acl_vec_by_sw_if_index)) &&
3063  (vec_len (am->input_acl_vec_by_sw_if_index[swi]) > 0))
3064  {
3065  vlib_cli_output (vm, " input acl(s): %U", format_vec32,
3066  am->input_acl_vec_by_sw_if_index[swi], "%d");
3067  if (show_acl)
3068  {
3069  vlib_cli_output (vm, "\n");
3071  {
3072  acl_print_acl (vm, am, *pj);
3073  }
3074  vlib_cli_output (vm, "\n");
3075  }
3076  }
3077 
3078  if ((swi < vec_len (am->output_acl_vec_by_sw_if_index)) &&
3079  (vec_len (am->output_acl_vec_by_sw_if_index[swi]) > 0))
3080  {
3081  vlib_cli_output (vm, " output acl(s): %U", format_vec32,
3082  am->output_acl_vec_by_sw_if_index[swi], "%d");
3083  if (show_acl)
3084  {
3085  vlib_cli_output (vm, "\n");
3087  {
3088  acl_print_acl (vm, am, *pj);
3089  }
3090  vlib_cli_output (vm, "\n");
3091  }
3092  }
3093  if (detail && (swi < vec_len (am->input_lc_index_by_sw_if_index)))
3094  {
3095  vlib_cli_output (vm, " input lookup context index: %d",
3097  }
3098  if (detail && (swi < vec_len (am->output_lc_index_by_sw_if_index)))
3099  {
3100  vlib_cli_output (vm, " output lookup context index: %d",
3102  }
3103  }
3104 
3105 }
3106 
3107 
3108 static clib_error_t *
3110  unformat_input_t * input,
3111  vlib_cli_command_t * cmd)
3112 {
3113  clib_error_t *error = 0;
3114  u64 five_tuple[6] = { 0, 0, 0, 0, 0, 0 };
3115 
3116  if (unformat
3117  (input, "%llx %llx %llx %llx %llx %llx", &five_tuple[0], &five_tuple[1],
3118  &five_tuple[2], &five_tuple[3], &five_tuple[4], &five_tuple[5]))
3119  vlib_cli_output (vm, "5-tuple structure decode: %U\n\n",
3120  format_acl_plugin_5tuple, five_tuple);
3121  else
3122  error = clib_error_return (0, "expecting 6 hex integers");
3123  return error;
3124 }
3125 
3126 
3127 static clib_error_t *
3130  input, vlib_cli_command_t * cmd)
3131 {
3132  clib_error_t *error = 0;
3133  acl_main_t *am = &acl_main;
3134 
3135  u32 sw_if_index = ~0;
3136  (void) unformat (input, "sw_if_index %u", &sw_if_index);
3137  int show_acl = unformat (input, "acl");
3138  int detail = unformat (input, "detail");
3139 
3140  acl_plugin_show_interface (am, sw_if_index, show_acl, detail);
3141  return error;
3142 }
3143 
3144 static clib_error_t *
3146  unformat_input_t * input,
3147  vlib_cli_command_t * cmd)
3148 {
3149  clib_error_t *error = 0;
3150  acl_main_t *am = &acl_main;
3151 
3152  vlib_cli_output (vm, "ACL plugin main heap statistics:\n");
3153  if (am->acl_mheap)
3154  {
3155  vlib_cli_output (vm, " %U\n", format_mheap, am->acl_mheap, 1);
3156  }
3157  else
3158  {
3159  vlib_cli_output (vm, " Not initialized\n");
3160  }
3161  vlib_cli_output (vm, "ACL hash lookup support heap statistics:\n");
3162  if (am->hash_lookup_mheap)
3163  {
3164  vlib_cli_output (vm, " %U\n", format_mheap, am->hash_lookup_mheap, 1);
3165  }
3166  else
3167  {
3168  vlib_cli_output (vm, " Not initialized\n");
3169  }
3170  return error;
3171 }
3172 
3173 static void
3175  u32 show_session_thread_id,
3176  u32 show_session_session_index)
3177 {
3178  vlib_main_t *vm = am->vlib_main;
3179  u16 wk;
3181  vnet_sw_interface_t *swif;
3182  u64 now = clib_cpu_time_now ();
3183  u64 clocks_per_second = am->vlib_main->clib_time.clocks_per_second;
3184 
3185  {
3186  u64 n_adds = am->fa_session_total_adds;
3187  u64 n_dels = am->fa_session_total_dels;
3188  u64 n_deact = am->fa_session_total_deactivations;
3189  vlib_cli_output (vm, "Sessions total: add %lu - del %lu = %lu", n_adds,
3190  n_dels, n_adds - n_dels);
3191  vlib_cli_output (vm, "Sessions active: add %lu - deact %lu = %lu", n_adds,
3192  n_deact, n_adds - n_deact);
3193  vlib_cli_output (vm, "Sessions being purged: deact %lu - del %lu = %lu",
3194  n_deact, n_dels, n_deact - n_dels);
3195  }
3196  vlib_cli_output (vm, "now: %lu clocks per second: %lu", now,
3197  clocks_per_second);
3198  vlib_cli_output (vm, "\n\nPer-thread data:");
3199  for (wk = 0; wk < vec_len (am->per_worker_data); wk++)
3200  {
3202  vlib_cli_output (vm, "Thread #%d:", wk);
3203  if (show_session_thread_id == wk
3204  && show_session_session_index < pool_len (pw->fa_sessions_pool))
3205  {
3206  vlib_cli_output (vm, " session index %u:",
3207  show_session_session_index);
3208  fa_session_t *sess =
3209  pw->fa_sessions_pool + show_session_session_index;
3210  u64 *m = (u64 *) & sess->info;
3211  vlib_cli_output (vm,
3212  " info: %016llx %016llx %016llx %016llx %016llx %016llx",
3213  m[0], m[1], m[2], m[3], m[4], m[5]);
3214  vlib_cli_output (vm, " sw_if_index: %u", sess->sw_if_index);
3215  vlib_cli_output (vm, " tcp_flags_seen: %x",
3216  sess->tcp_flags_seen.as_u16);
3217  vlib_cli_output (vm, " last active time: %lu",
3218  sess->last_active_time);
3219  vlib_cli_output (vm, " thread index: %u", sess->thread_index);
3220  vlib_cli_output (vm, " link enqueue time: %lu",
3221  sess->link_enqueue_time);
3222  vlib_cli_output (vm, " link next index: %u",
3223  sess->link_next_idx);
3224  vlib_cli_output (vm, " link prev index: %u",
3225  sess->link_prev_idx);
3226  vlib_cli_output (vm, " link list id: %u", sess->link_list_id);
3227  }
3228  vlib_cli_output (vm, " connection add/del stats:", wk);
3229  pool_foreach (swif, im->sw_interfaces, (
3230  {
3231  u32 sw_if_index =
3232  swif->sw_if_index;
3233  u64 n_adds =
3234  sw_if_index <
3235  vec_len
3236  (pw->fa_session_adds_by_sw_if_index)
3237  ?
3238  pw->fa_session_adds_by_sw_if_index
3239  [sw_if_index] : 0;
3240  u64 n_dels =
3241  sw_if_index <
3242  vec_len
3243  (pw->fa_session_dels_by_sw_if_index)
3244  ?
3245  pw->fa_session_dels_by_sw_if_index
3246  [sw_if_index] : 0;
3247  u64 n_epoch_changes =
3248  sw_if_index <
3249  vec_len
3250  (pw->fa_session_epoch_change_by_sw_if_index)
3251  ?
3252  pw->fa_session_epoch_change_by_sw_if_index
3253  [sw_if_index] : 0;
3254  vlib_cli_output (vm,
3255  " sw_if_index %d: add %lu - del %lu = %lu; epoch chg: %lu",
3256  sw_if_index,
3257  n_adds,
3258  n_dels,
3259  n_adds -
3260  n_dels,
3261  n_epoch_changes);
3262  }
3263  ));
3264 
3265  vlib_cli_output (vm, " connection timeout type lists:", wk);
3266  u8 tt = 0;
3267  for (tt = 0; tt < ACL_N_TIMEOUTS; tt++)
3268  {
3269  u32 head_session_index = pw->fa_conn_list_head[tt];
3270  vlib_cli_output (vm, " fa_conn_list_head[%d]: %d", tt,
3271  head_session_index);
3272  if (~0 != head_session_index)
3273  {
3274  fa_session_t *sess = pw->fa_sessions_pool + head_session_index;
3275  vlib_cli_output (vm, " last active time: %lu",
3276  sess->last_active_time);
3277  vlib_cli_output (vm, " link enqueue time: %lu",
3278  sess->link_enqueue_time);
3279  }
3280  }
3281 
3282  vlib_cli_output (vm, " Next expiry time: %lu", pw->next_expiry_time);
3283  vlib_cli_output (vm, " Requeue until time: %lu",
3284  pw->requeue_until_time);
3285  vlib_cli_output (vm, " Current time wait interval: %lu",
3287  vlib_cli_output (vm, " Count of deleted sessions: %lu",
3288  pw->cnt_deleted_sessions);
3289  vlib_cli_output (vm, " Delete already deleted: %lu",
3291  vlib_cli_output (vm, " Session timers restarted: %lu",
3293  vlib_cli_output (vm, " Swipe until this time: %lu",
3294  pw->swipe_end_time);
3295  vlib_cli_output (vm, " sw_if_index serviced bitmap: %U",
3296  format_bitmap_hex, pw->serviced_sw_if_index_bitmap);
3297  vlib_cli_output (vm, " pending clear intfc bitmap : %U",
3298  format_bitmap_hex,
3300  vlib_cli_output (vm, " clear in progress: %u", pw->clear_in_process);
3301  vlib_cli_output (vm, " interrupt is pending: %d",
3302  pw->interrupt_is_pending);
3303  vlib_cli_output (vm, " interrupt is needed: %d",
3304  pw->interrupt_is_needed);
3305  vlib_cli_output (vm, " interrupt is unwanted: %d",
3306  pw->interrupt_is_unwanted);
3307  vlib_cli_output (vm, " interrupt generation: %d",
3308  pw->interrupt_generation);
3309  vlib_cli_output (vm, " received session change requests: %d",
3311  vlib_cli_output (vm, " sent session change requests: %d",
3313  }
3314  vlib_cli_output (vm, "\n\nConn cleaner thread counters:");
3315 #define _(cnt, desc) vlib_cli_output(vm, " %20lu: %s", am->cnt, desc);
3317 #undef _
3318  vlib_cli_output (vm, "Interrupt generation: %d",
3320  vlib_cli_output (vm,
3321  "Sessions per interval: min %lu max %lu increment: %f ms current: %f ms",
3324  am->fa_cleaner_wait_time_increment * 1000.0,
3326  1000.0 / (f64) vm->clib_time.clocks_per_second);
3327  vlib_cli_output (vm, "Reclassify sessions: %d", am->reclassify_sessions);
3328 }
3329 
3330 static clib_error_t *
3332  unformat_input_t * input,
3333  vlib_cli_command_t * cmd)
3334 {
3335  clib_error_t *error = 0;
3336  acl_main_t *am = &acl_main;
3337 
3338  u32 show_bihash_verbose = 0;
3339  u32 show_session_thread_id = ~0;
3340  u32 show_session_session_index = ~0;
3341  (void) unformat (input, "thread %u index %u", &show_session_thread_id,
3342  &show_session_session_index);
3343  (void) unformat (input, "verbose %u", &show_bihash_verbose);
3344 
3345  acl_plugin_show_sessions (am, show_session_thread_id,
3346  show_session_session_index);
3347  show_fa_sessions_hash (vm, show_bihash_verbose);
3348  return error;
3349 }
3350 
3351 static clib_error_t *
3353  unformat_input_t * input,
3354  vlib_cli_command_t * cmd)
3355 {
3356  clib_error_t *error = 0;
3357 
3358  u32 acl_index = ~0;
3359  u32 lc_index = ~0;
3360  int show_acl_hash_info = 0;
3361  int show_applied_info = 0;
3362  int show_mask_type = 0;
3363  int show_bihash = 0;
3364  u32 show_bihash_verbose = 0;
3365 
3366  if (unformat (input, "acl"))
3367  {
3368  show_acl_hash_info = 1;
3369  /* mask-type is handy to see as well right there */
3370  show_mask_type = 1;
3371  unformat (input, "index %u", &acl_index);
3372  }
3373  else if (unformat (input, "applied"))
3374  {
3375  show_applied_info = 1;
3376  unformat (input, "lc_index %u", &lc_index);
3377  }
3378  else if (unformat (input, "mask"))
3379  {
3380  show_mask_type = 1;
3381  }
3382  else if (unformat (input, "hash"))
3383  {
3384  show_bihash = 1;
3385  unformat (input, "verbose %u", &show_bihash_verbose);
3386  }
3387 
3388  if (!
3389  (show_mask_type || show_acl_hash_info || show_applied_info
3390  || show_bihash))
3391  {
3392  /* if no qualifiers specified, show all */
3393  show_mask_type = 1;
3394  show_acl_hash_info = 1;
3395  show_applied_info = 1;
3396  show_bihash = 1;
3397  }
3398  if (show_mask_type)
3400  if (show_acl_hash_info)
3402  if (show_applied_info)
3404  if (show_bihash)
3405  acl_plugin_show_tables_bihash (show_bihash_verbose);
3406 
3407  return error;
3408 }
3409 
3410 static clib_error_t *
3412  unformat_input_t * input, vlib_cli_command_t * cmd)
3413 {
3414  clib_error_t *error = 0;
3415  acl_main_t *am = &acl_main;
3418  return error;
3419 }
3420 
3421  /* *INDENT-OFF* */
3422 VLIB_CLI_COMMAND (aclplugin_set_command, static) = {
3423  .path = "set acl-plugin",
3424  .short_help = "set acl-plugin session timeout {{udp idle}|tcp {idle|transient}} <seconds>",
3425  .function = acl_set_aclplugin_fn,
3426 };
3427 
3428 VLIB_CLI_COMMAND (aclplugin_show_acl_command, static) = {
3429  .path = "show acl-plugin acl",
3430  .short_help = "show acl-plugin acl [index N]",
3431  .function = acl_show_aclplugin_acl_fn,
3432 };
3433 
3434 VLIB_CLI_COMMAND (aclplugin_show_lookup_context_command, static) = {
3435  .path = "show acl-plugin lookup context",
3436  .short_help = "show acl-plugin lookup context [index N]",
3438 };
3439 
3440 VLIB_CLI_COMMAND (aclplugin_show_lookup_user_command, static) = {
3441  .path = "show acl-plugin lookup user",
3442  .short_help = "show acl-plugin lookup user [index N]",
3444 };
3445 
3446 VLIB_CLI_COMMAND (aclplugin_show_decode_5tuple_command, static) = {
3447  .path = "show acl-plugin decode 5tuple",
3448  .short_help = "show acl-plugin decode 5tuple XXXX XXXX XXXX XXXX XXXX XXXX",
3450 };
3451 
3452 VLIB_CLI_COMMAND (aclplugin_show_interface_command, static) = {
3453  .path = "show acl-plugin interface",
3454  .short_help = "show acl-plugin interface [sw_if_index N] [acl]",
3455  .function = acl_show_aclplugin_interface_fn,
3456 };
3457 
3458 VLIB_CLI_COMMAND (aclplugin_show_memory_command, static) = {
3459  .path = "show acl-plugin memory",
3460  .short_help = "show acl-plugin memory",
3461  .function = acl_show_aclplugin_memory_fn,
3462 };
3463 
3464 VLIB_CLI_COMMAND (aclplugin_show_sessions_command, static) = {
3465  .path = "show acl-plugin sessions",
3466  .short_help = "show acl-plugin sessions",
3467  .function = acl_show_aclplugin_sessions_fn,
3468 };
3469 
3470 VLIB_CLI_COMMAND (aclplugin_show_tables_command, static) = {
3471  .path = "show acl-plugin tables",
3472  .short_help = "show acl-plugin tables [ acl [index N] | applied [ lc_index N ] | mask | hash [verbose N] ]",
3473  .function = acl_show_aclplugin_tables_fn,
3474 };
3475 
3476 VLIB_CLI_COMMAND (aclplugin_show_macip_acl_command, static) = {
3477  .path = "show acl-plugin macip acl",
3478  .short_help = "show acl-plugin macip acl [index N]",
3479  .function = acl_show_aclplugin_macip_acl_fn,
3480 };
3481 
3482 VLIB_CLI_COMMAND (aclplugin_show_macip_interface_command, static) = {
3483  .path = "show acl-plugin macip interface",
3484  .short_help = "show acl-plugin macip interface",
3486 };
3487 
3488 VLIB_CLI_COMMAND (aclplugin_clear_command, static) = {
3489  .path = "clear acl-plugin sessions",
3490  .short_help = "clear acl-plugin sessions",
3491  .function = acl_clear_aclplugin_fn,
3492 };
3493 /* *INDENT-ON* */
3494 
3495 static clib_error_t *
3497 {
3498  acl_main_t *am = &acl_main;
3499  u32 conn_table_hash_buckets;
3500  uword conn_table_hash_memory_size;
3501  u32 conn_table_max_entries;
3502  uword main_heap_size;
3503  uword hash_heap_size;
3504  u32 hash_lookup_hash_buckets;
3505  uword hash_lookup_hash_memory;
3506  u32 reclassify_sessions;
3507  u32 use_tuple_merge;
3508  u32 tuple_merge_split_threshold;
3509 
3510  while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
3511  {
3512  if (unformat
3513  (input, "connection hash buckets %d", &conn_table_hash_buckets))
3514  am->fa_conn_table_hash_num_buckets = conn_table_hash_buckets;
3515  else
3516  if (unformat
3517  (input, "connection hash memory %U", unformat_memory_size,
3518  &conn_table_hash_memory_size))
3519  am->fa_conn_table_hash_memory_size = conn_table_hash_memory_size;
3520  else if (unformat (input, "connection count max %d",
3521  &conn_table_max_entries))
3522  am->fa_conn_table_max_entries = conn_table_max_entries;
3523  else
3524  if (unformat
3525  (input, "main heap size %U", unformat_memory_size,
3526  &main_heap_size))
3527  am->acl_mheap_size = main_heap_size;
3528  else
3529  if (unformat
3530  (input, "hash lookup heap size %U", unformat_memory_size,
3531  &hash_heap_size))
3532  am->hash_lookup_mheap_size = hash_heap_size;
3533  else if (unformat (input, "hash lookup hash buckets %d",
3534  &hash_lookup_hash_buckets))
3535  am->hash_lookup_hash_buckets = hash_lookup_hash_buckets;
3536  else
3537  if (unformat
3538  (input, "hash lookup hash memory %U", unformat_memory_size,
3539  &hash_lookup_hash_memory))
3540  am->hash_lookup_hash_memory = hash_lookup_hash_memory;
3541  else if (unformat (input, "use tuple merge %d", &use_tuple_merge))
3542  am->use_tuple_merge = use_tuple_merge;
3543  else
3544  if (unformat
3545  (input, "tuple merge split threshold %d",
3546  &tuple_merge_split_threshold))
3547  am->tuple_merge_split_threshold = tuple_merge_split_threshold;
3548 
3549  else if (unformat (input, "reclassify sessions %d",
3550  &reclassify_sessions))
3551  am->reclassify_sessions = reclassify_sessions;
3552 
3553  else
3554  return clib_error_return (0, "unknown input '%U'",
3555  format_unformat_error, input);
3556  }
3557  return 0;
3558 }
3559 
3560 VLIB_CONFIG_FUNCTION (acl_plugin_config, "acl-plugin");
3561 
3562 static clib_error_t *
3564 {
3565  acl_main_t *am = &acl_main;
3566  clib_error_t *error = 0;
3567  clib_memset (am, 0, sizeof (*am));
3568  am->vlib_main = vm;
3569  am->vnet_main = vnet_get_main ();
3570  am->log_default = vlib_log_register_class ("acl_plugin", 0);
3571 
3572  u8 *name = format (0, "acl_%08x%c", api_version, 0);
3573 
3574  /* Ask for a correctly-sized block of API message decode slots */
3575  am->msg_id_base = vl_msg_api_get_msg_ids ((char *) name,
3577 
3578  error = acl_plugin_api_hookup (vm);
3579 
3580  /* Add our API messages to the global name_crc hash table */
3582 
3583  vec_free (name);
3584 
3585  if (error)
3586  return error;
3587 
3588  error = acl_plugin_exports_init (&acl_plugin);
3589 
3590  if (error)
3591  return error;
3592 
3593  am->acl_mheap_size = 0; /* auto size when initializing */
3595 
3598 
3605 
3611  am->reclassify_sessions = 0;
3613 
3620 
3621  vec_validate (am->per_worker_data, tm->n_vlib_mains - 1);
3622  {
3623  u16 wk;
3624  for (wk = 0; wk < vec_len (am->per_worker_data); wk++)
3625  {
3627  if (tm->n_vlib_mains > 1)
3628  {
3630  }
3631  vec_validate (pw->expired,
3632  ACL_N_TIMEOUTS *
3634  _vec_len (pw->expired) = 0;
3640  ACL_N_TIMEOUTS - 1, ~0ULL);
3641  }
3642  }
3643 
3644  am->fa_cleaner_cnt_delete_by_sw_index = 0;
3645  am->fa_cleaner_cnt_delete_by_sw_index_ok = 0;
3646  am->fa_cleaner_cnt_unknown_event = 0;
3647  am->fa_cleaner_cnt_timer_restarted = 0;
3648  am->fa_cleaner_cnt_wait_with_timeout = 0;
3649 
3650 
3651 #define _(N, v, s) am->fa_ipv6_known_eh_bitmap = clib_bitmap_set(am->fa_ipv6_known_eh_bitmap, v, 1);
3653 #undef _
3655 
3656  /* use the new fancy hash-based matching */
3657  am->use_hash_acl_matching = 1;
3658  /* use tuplemerge by default */
3659  am->use_tuple_merge = 1;
3660  /* Set the default threshold */
3662 
3663  am->interface_acl_user_id = ~0; /* defer till the first use */
3664 
3665  return error;
3666 }
3667 
3669 
3670 
3671 /*
3672  * fd.io coding-style-patch-verification: ON
3673  *
3674  * Local Variables:
3675  * eval: (c-set-style "gnu")
3676  * End:
3677  */
vlib_log_class_t vlib_log_register_class(char *class, char *subclass)
Definition: log.c:227
acl_rule_t * rules
Definition: acl.h:95
#define vec_validate(V, I)
Make sure vector is long enough for given index (no header, unspecified alignment) ...
Definition: vec.h:439
u32 * input_policy_epoch_by_sw_if_index
Definition: acl.h:184
u8 * format_vec16(u8 *s, va_list *va)
Definition: acl.c:104
u32 acl_index
Definition: gbp.api:295
macip_acl_rule_t * rules
Definition: acl.h:104
static int macip_acl_interface_add_acl(acl_main_t *am, u32 sw_if_index, u32 macip_acl_index)
Definition: acl.c:1746
u8 src_mac[6]
Definition: acl.h:80
u32 fa_cleaner_node_index
Definition: acl.h:245
u32 session_timeout_sec[ACL_N_TIMEOUTS]
Definition: acl.h:247
Use acl_interface_set_acl_list instead Append/remove an ACL index to/from the list of ACLs checked fo...
Definition: acl.api:228
#define vec_foreach_index(var, v)
Iterate over vector indices.
static int macip_acl_interface_add_del_acl(u32 sw_if_index, u8 is_add, u32 acl_list_index)
Definition: acl.c:1814
static void vl_api_acl_plugin_get_conn_table_max_entries_t_handler(vl_api_acl_plugin_get_conn_table_max_entries_t *mp)
Definition: acl.c:302
static clib_error_t * acl_clear_aclplugin_fn(vlib_main_t *vm, unformat_input_t *input, vlib_cli_command_t *cmd)
Definition: acl.c:3411
static int acl_set_skip_ipv6_eh(u32 eh, u32 value)
Definition: acl.c:2594
static clib_error_t * acl_show_aclplugin_lookup_user_fn(vlib_main_t *vm, unformat_input_t *input, vlib_cli_command_t *cmd)
Definition: acl.c:3010
static int verify_message_len(void *mp, u32 expected_len, char *where)
Definition: acl.c:1847
#define UDP_SESSION_IDLE_TIMEOUT_SEC
Definition: acl.h:39
static clib_error_t * acl_init(vlib_main_t *vm)
Definition: acl.c:3563
u8 is_ipv6
Definition: types.h:24
#define FA_SESSION_BOGUS_INDEX
Definition: fa_node.h:166
uword * pending_clear_sw_if_index_bitmap
Definition: fa_node.h:206
void acl_plugin_show_tables_mask_type(void)
Definition: hash_lookup.c:1277
static void vl_api_acl_plugin_get_version_t_handler(vl_api_acl_plugin_get_version_t *mp)
Definition: acl.c:204
a
Definition: bitmap.h:538
u64 fa_current_cleaner_timer_wait_interval
Definition: acl.h:287
Set the vector of input/output ACLs checked for an interface.
Definition: acl.api:251
#define foreach_acl_plugin_api_msg
Definition: acl.c:71
Set the ethertype whitelists on an interface.
Definition: acl.api:510
u32 ** input_acl_vec_by_sw_if_index
Definition: acl.h:169
u16 msg_id_base
Definition: acl.h:134
void acl_plugin_hash_acl_set_trace_heap(int on)
Definition: hash_lookup.c:645
void acl_plugin_show_tables_applied_info(u32 lc_index)
Definition: hash_lookup.c:1356
Dump the list(s) of ACL applied to specific or all interfaces.
Definition: acl.api:302
vnet_main_t * vnet_get_main(void)
Definition: misc.c:47
vl_api_macip_acl_rule_t r[count]
Definition: acl.api:340
u32 out_l2_table_index
Definition: acl.h:112
static int count_skip(u8 *p, u32 size)
Definition: acl.c:521
vnet_interface_main_t interface_main
Definition: vnet.h:56
static void vl_api_acl_add_replace_t_handler(vl_api_acl_add_replace_t *mp)
Definition: acl.c:1864
static void vl_api_macip_acl_dump_t_handler(vl_api_macip_acl_dump_t *mp)
Definition: acl.c:2288
#define clib_error(format, args...)
Definition: error.h:62
unsigned long u64
Definition: types.h:89
int l4_match_nonfirst_fragment
Definition: acl.h:258
u8 src_ip_addr[16]
Definition: acl.api:113
Control ping from the client to the server response.
Definition: acl.api:64
#define ACL_FA_CONN_TABLE_DEFAULT_HASH_NUM_BUCKETS
Definition: fa_node.h:23
#define ACL_PLUGIN_VERSION_MINOR
Definition: acl.h:37
static clib_error_t * acl_plugin_config(vlib_main_t *vm, unformat_input_t *input)
Definition: acl.c:3496
#define ACL_PLUGIN_HASH_LOOKUP_HASH_MEMORY
Definition: acl.h:47
#define REPLY_MACRO2(t, body)
#define NULL
Definition: clib.h:58
clib_memset(h->entries, 0, sizeof(h->entries[0]) *entries)
static void vl_api_macip_acl_add_t_handler(vl_api_macip_acl_add_t *mp)
Definition: acl.c:2152
static void vl_api_acl_interface_etype_whitelist_dump_t_handler(vl_api_acl_interface_list_dump_t *mp)
Definition: acl.c:2502
Details about ethertype whitelist on a single interface.
Definition: acl.api:541
f64 clocks_per_second
Definition: time.h:53
u8 dst_prefixlen
Definition: types.h:28
static void vl_api_send_msg(vl_api_registration_t *rp, u8 *elem)
Definition: api.h:34
fa_5tuple_t info
Definition: fa_node.h:106
u32 count
Definition: acl.h:94
Reply to get connection table max entries.
Definition: acl.api:87
#define vec_add1(V, E)
Add 1 element to end of vector (unspecified alignment).
Definition: vec.h:525
static u64 clib_cpu_time_now(void)
Definition: time.h:75
u32 l2_table_index
Definition: acl.h:108
static void acl_clear_sessions(acl_main_t *am, u32 sw_if_index)
Definition: acl.c:574
static int get_l3_dst_offset(int is6)
Definition: acl.c:1021
int i
static mheap_t * mheap_header(u8 *v)
static uword * clib_bitmap_set(uword *ai, uword i, uword value)
Sets the ith bit of a bitmap to new_value Removes trailing zeros from the bitmap. ...
Definition: bitmap.h:167
format_function_t format_ip46_address
Definition: format.h:61
u64 session_timeout[ACL_N_TIMEOUTS]
Definition: acl.h:295
fa_session_t * fa_sessions_pool
Definition: fa_node.h:170
u32 * output_policy_epoch_by_sw_if_index
Definition: acl.h:185
u32 out_dot1q_table_index
Definition: acl.c:952
u8 * format(u8 *s, const char *fmt,...)
Definition: format.c:419
void(* acl_vector_print_func_t)(vlib_main_t *vm, u8 *out0)
Definition: acl.c:256
Access List Rule entry.
Definition: acl.api:109
clib_time_t clib_time
Definition: main.h:65
u32 dot1ad_table_index
Definition: acl.c:946
u8 link_list_id
Definition: fa_node.h:117
u16 dstport_or_icmpcode_last
Definition: acl.api:134
void * vl_msg_api_alloc(int nbytes)
Delete a MACIP ACL.
Definition: acl.api:394
unsigned char u8
Definition: types.h:56
#define pool_len(p)
Number of elements in pool vector.
Definition: pool.h:140
static u32 macip_find_match_type(macip_match_type_t *mv, u8 *mac_mask, u8 prefix_len, u8 is_ipv6)
Definition: acl.c:959
u32 table_index
Definition: acl.c:943
#define vec_reset_length(v)
Reset vector length to zero NULL-pointer tolerant.
vlib_log_class_t log_default
Definition: acl.h:317
double f64
Definition: types.h:142
Details about one MACIP ACL.
Definition: acl.api:440
void acl_plugin_lookup_context_notify_acl_change(u32 acl_num)
f64 fa_cleaner_wait_time_increment
Definition: acl.h:285
u32 arp_dot1q_table_index
Definition: acl.c:947
#define clib_bitmap_validate(v, n_bits)
Definition: bitmap.h:115
u32 interface_acl_user_id
Definition: acl.h:164
u32 ** lc_index_vec_by_acl
Definition: acl.h:181
uword fa_conn_table_hash_memory_size
Definition: acl.h:262
u16 dst_port_or_code_last
Definition: types.h:33
static int acl_interface_in_enable_disable(acl_main_t *am, u32 sw_if_index, int enable_disable)
Definition: acl.c:585
static clib_error_t * acl_sw_interface_add_del(vnet_main_t *vnm, u32 sw_if_index, u32 is_add)
Definition: acl.c:2610
u8 src_mac_mask[6]
Definition: acl.h:81
u8 src_prefixlen
Definition: types.h:26
ip46_address_t src_ip_addr
Definition: acl.h:82
void mv(vnet_classify_table_t *t)
Definition: vnet_classify.c:69
#define pool_foreach(VAR, POOL, BODY)
Iterate through pool.
Definition: pool.h:490
u32 link_prev_idx
Definition: fa_node.h:115
#define VLIB_INIT_FUNCTION(x)
Definition: init.h:163
static int acl_is_not_defined(acl_main_t *am, u32 acl_list_index)
Definition: acl.c:677
u32 sw_if_index
Definition: vxlan_gbp.api:37
static clib_error_t * acl_show_aclplugin_acl_fn(vlib_main_t *vm, unformat_input_t *input, vlib_cli_command_t *cmd)
Definition: acl.c:2982
u16 dstport_or_icmpcode_first
Definition: acl.api:133
u64 fa_conn_table_max_entries
Definition: acl.h:263
static uword clib_bitmap_is_zero(uword *ai)
predicate function; is an entire bitmap empty?
Definition: bitmap.h:57
static int acl_is_used_by(u32 acl_index, u32 **foo_index_vec_by_acl)
Definition: acl.c:477
svm_queue_t unix_shared_memory_queue_t
Definition: queue.h:132
vnet_main_t * vnet_main
Definition: acl.h:315
ip46_address_t src
Definition: types.h:25
u8 src_ip_prefix_len
Definition: acl.api:114
u8 tcp_flags_value
Definition: acl.api:141
u8 * format_memory_size(u8 *s, va_list *va)
Definition: std-formats.c:193
#define vec_elt_at_index(v, i)
Get vector value at index i checking that i is in bounds.
Add or delete a MACIP ACL to/from interface.
Definition: acl.api:409
static void increment_policy_epoch(acl_main_t *am, u32 sw_if_index, int is_input)
Definition: acl.c:339
static clib_error_t * acl_show_aclplugin_interface_fn(vlib_main_t *vm, unformat_input_t *input, vlib_cli_command_t *cmd)
Definition: acl.c:3128
#define clib_error_return(e, args...)
Definition: error.h:99
static u8 * format_acl_action(u8 *s, u8 action)
Definition: manual_fns.h:105
u8 src_prefixlen
Definition: acl.h:83
u8 is_permit
Definition: types.h:23
#define ACL_FA_CONN_TABLE_DEFAULT_MAX_ENTRIES
Definition: fa_node.h:25
uword * in_acl_on_sw_if_index
Definition: acl.h:177
static void acl_print_acl(vlib_main_t *vm, acl_main_t *am, int acl_index)
Definition: acl.c:327
u8 mac_mask[6]
Definition: acl.c:940
u32 out_arp_dot1q_table_index
Definition: acl.c:954
unsigned int u32
Definition: types.h:88
#define vec_search(v, E)
Search a vector for the index of the entry that matches.
Definition: vec.h:944
VNET_SW_INTERFACE_ADD_DEL_FUNCTION(acl_sw_interface_add_del)
static clib_error_t * acl_show_aclplugin_decode_5tuple_fn(vlib_main_t *vm, unformat_input_t *input, vlib_cli_command_t *cmd)
Definition: acl.c:3109
u32 ip4_table_index
Definition: acl.h:106
Get Connection table max entries.
Definition: acl.api:77
Reply to add/replace MACIP ACL.
Definition: acl.api:381
static u8 * my_macip_acl_rule_t_pretty_format(u8 *out, va_list *args)
Definition: acl.c:2845
ip46_address_t dst
Definition: types.h:27
static void clib_spinlock_init(clib_spinlock_t *p)
Definition: lock.h:57
int vnet_classify_add_del_session(vnet_classify_main_t *cm, u32 table_index, u8 *match, u32 hit_next_index, u32 opaque_index, i32 advance, u8 action, u32 metadata, int is_add)
u8 * format_mheap(u8 *s, va_list *va)
Definition: mem_dlmalloc.c:354
static clib_error_t * acl_show_aclplugin_memory_fn(vlib_main_t *vm, unformat_input_t *input, vlib_cli_command_t *cmd)
Definition: acl.c:3145
Reply to add MACIP ACL.
Definition: acl.api:349
#define clib_bitmap_foreach(i, ai, body)
Macro to iterate across set bits in a bitmap.
Definition: bitmap.h:361
#define pool_elt_at_index(p, i)
Returns pointer to element at given index.
Definition: pool.h:511
static void acl_plugin_show_interface(acl_main_t *am, u32 sw_if_index, int show_acl, int detail)
Definition: acl.c:3025
uword size
Details about a single MACIP ACL contents.
Definition: acl.api:493
static void acl_set_session_max_entries(u32 value)
Definition: acl.c:2587
Control ping from client to api server request.
Definition: acl.api:52
static void setup_message_id_table(acl_main_t *am, api_main_t *apim)
Definition: acl.c:2559
static void vlib_process_signal_event(vlib_main_t *vm, uword node_index, uword type_opaque, uword data)
Definition: node_funcs.h:934
VLIB_PLUGIN_REGISTER()
#define ACL_FA_DEFAULT_CLEANER_WAIT_TIME_INCREMENT
Definition: acl.h:284
u16 dst_port_or_code_first
Definition: types.h:32
#define TCP_SESSION_IDLE_TIMEOUT_SEC
Definition: acl.h:40
static void warning_acl_print_acl(vlib_main_t *vm, acl_main_t *am, int acl_index)
Definition: acl.c:333
static void vl_api_acl_dump_t_handler(vl_api_acl_dump_t *mp)
Definition: acl.c:2031
struct _unformat_input_t unformat_input_t
unsigned short u16
Definition: types.h:57
uword * fa_ipv6_known_eh_bitmap
Definition: acl.h:255
u64 memory_size
Definition: vhost_user.h:115
Replace an existing ACL in-place or create a new ACL.
Definition: acl.api:181
#define ACL_FA_DEFAULT_MIN_DELETED_SESSIONS_PER_INTERVAL
Definition: acl.h:281
#define pool_put(P, E)
Free an object E in pool P.
Definition: pool.h:286
#define vec_dup(V)
Return copy of vector (no header, no alignment)
Definition: vec.h:375
u32 * output_lc_index_by_sw_if_index
Definition: acl.h:162
void acl_plugin_acl_set_validate_heap(acl_main_t *am, int on)
Definition: acl.c:167
Details about a single ACL contents.
Definition: acl.api:317
static clib_error_t * acl_show_aclplugin_tables_fn(vlib_main_t *vm, unformat_input_t *input, vlib_cli_command_t *cmd)
Definition: acl.c:3352
#define VLIB_CONFIG_FUNCTION(x, n,...)
Definition: init.h:172
#define REPLY_MACRO(t)
#define vec_del1(v, i)
Delete the element at index I.
Definition: vec.h:808
vl_api_acl_rule_t r[count]
Definition: acl.api:188
static void send_acl_details(acl_main_t *am, vl_api_registration_t *reg, acl_list_t *acl, u32 context)
Definition: acl.c:2000
vl_api_address_union_t src_address
Definition: ip_types.api:44
static int get_l3_src_offset(int is6)
Definition: acl.c:1010
f64 seconds_per_clock
Definition: time.h:57
int vnet_set_input_acl_intfc(vlib_main_t *vm, u32 sw_if_index, u32 ip4_table_index, u32 ip6_table_index, u32 l2_table_index, u32 is_add)
Definition: in_out_acl.c:129
u64 last_active_time
Definition: fa_node.h:107
static int macip_maybe_apply_unapply_classifier_tables(acl_main_t *am, u32 acl_index, int is_apply)
Definition: acl.c:1592
static void send_acl_interface_etype_whitelist_details(acl_main_t *am, vl_api_registration_t *reg, u32 sw_if_index, u32 context)
Definition: acl.c:2443
void acl_plugin_hash_acl_set_validate_heap(int on)
Definition: hash_lookup.c:627
u8 proto
Definition: types.h:29
u8 dst_ip_addr[16]
Definition: acl.api:115
u8 name[64]
Definition: memclnt.api:152
static u8 * my_format_mac_address(u8 *s, va_list *args)
Definition: acl.c:2837
u64 * fa_conn_list_head_expiry_time
Definition: fa_node.h:181
u32 out_arp_dot1ad_table_index
Definition: acl.c:955
#define FA_POLICY_EPOCH_IS_INPUT
Definition: fa_node.h:126
u16 src_port_or_type_first
Definition: types.h:30
u64 fa_min_deleted_sessions_per_interval
Definition: acl.h:282
static int match_type_compare(macip_match_type_t *m1, macip_match_type_t *m2)
Definition: acl.c:1002
static void acl_print_acl_x(acl_vector_print_func_t vpr, vlib_main_t *vm, acl_main_t *am, int acl_index)
Definition: acl.c:259
API main structure, used by both vpp and binary API clients.
Definition: api_common.h:202
void acl_plugin_show_tables_bihash(u32 show_bihash_verbose)
Definition: hash_lookup.c:1406
#define pool_get_aligned(P, E, A)
Allocate an object E from a pool P with alignment A.
Definition: pool.h:230
vl_api_acl_rule_t r[count]
Definition: acl.api:293
An API client registration, only in vpp/vlib.
Definition: api_common.h:45
Dump the list(s) of MACIP ACLs applied to specific or all interfaces.
Definition: acl.api:479
static void vl_api_acl_interface_set_etype_whitelist_t_handler(vl_api_acl_interface_set_etype_whitelist_t *mp)
Definition: acl.c:2413
int vnet_l2_feature_enable_disable(const char *arc_name, const char *node_name, u32 sw_if_index, int enable_disable, void *feature_config, u32 n_feature_config_bytes)
static int match_type_metric(macip_match_type_t *m)
Definition: acl.c:981
static int macip_acl_del_list(u32 acl_list_index)
Definition: acl.c:1778
void vl_msg_api_send_shmem(svm_queue_t *q, u8 *elem)
Dump one or all defined MACIP ACLs.
Definition: acl.api:425
#define UNFORMAT_END_OF_INPUT
Definition: format.h:144
static int acl_classify_add_del_table_small(vnet_classify_main_t *cm, u8 *mask, u32 mask_len, u32 next_table_index, u32 miss_next_index, u32 *table_index, int is_add)
Definition: acl.c:536
vlib_main_t * vm
Definition: buffer.c:301
static void acl_plugin_show_acl(acl_main_t *am, u32 acl_index)
Definition: acl.c:2943
static uword * clib_bitmap_dup_xor(uword *ai, uword *bi)
Logical operator across two bitmaps which duplicates the first bitmap.
svm_queue_t * vl_api_client_index_to_input_queue(u32 index)
Definition: memory_api.c:799
u64 fa_session_total_adds
Definition: acl.h:249
#define vec_free(V)
Free vector&#39;s memory (no header).
Definition: vec.h:341
void acl_plugin_acl_set_trace_heap(acl_main_t *am, int on)
Definition: acl.c:187
void * heap_base
Definition: main.h:114
u32 dot1q_table_index
Definition: acl.c:945
void acl_fa_enable_disable(u32 sw_if_index, int is_input, int enable_disable)
static void * clib_mem_set_heap(void *heap)
Definition: mem.h:261
u16 srcport_or_icmptype_first
Definition: acl.api:131
Reply to add/replace ACL.
Definition: acl.api:197
#define clib_warning(format, args...)
Definition: error.h:59
Reply with the vector of MACIP ACLs by sw_if_index.
Definition: acl.api:466
u8 * format_vec32(u8 *s, va_list *va)
Definition: std-formats.c:43
void acl_plugin_show_lookup_user(u32 user_index)
u32 sw_if_index
Definition: fa_node.h:108
int use_hash_acl_matching
Definition: acl.h:196
#define pool_is_free_index(P, I)
Use free bitmap to query whether given index is free.
Definition: pool.h:283
static clib_error_t * acl_plugin_exports_init(acl_plugin_methods_t *m)
static uword clib_bitmap_get(uword *ai, uword i)
Gets the ith bit value from a bitmap.
Definition: bitmap.h:197
uword hash_lookup_hash_memory
Definition: acl.h:145
static vl_api_registration_t * vl_api_client_index_to_registration(u32 index)
Definition: api.h:56
#define foreach_fa_cleaner_counter
Definition: acl.h:300
vl_api_macip_acl_rule_t r[count]
Definition: acl.api:372
static int acl_interface_out_enable_disable(acl_main_t *am, u32 sw_if_index, int enable_disable)
Definition: acl.c:625
int tuple_merge_split_threshold
Definition: acl.h:203
u8 is_ipv6
Definition: acl.h:79
u32 out_arp_table_index
Definition: acl.c:951
#define VLIB_CLI_COMMAND(x,...)
Definition: cli.h:155
struct _vnet_classify_main vnet_classify_main_t
Definition: vnet_classify.h:67
vl_api_gbp_rule_t rules[n_rules]
Definition: gbp.api:297
u16 srcport_or_icmptype_last
Definition: acl.api:132
int trace_acl
Definition: acl.h:266
static clib_error_t * acl_show_aclplugin_macip_acl_fn(vlib_main_t *vm, unformat_input_t *input, vlib_cli_command_t *cmd)
Definition: acl.c:2891
#define ACL_PLUGIN_HASH_LOOKUP_HASH_BUCKETS
Definition: acl.h:46
u32 hash_lookup_hash_buckets
Definition: acl.h:144
static void vl_api_acl_interface_add_del_t_handler(vl_api_acl_interface_add_del_t *mp)
Definition: acl.c:1903
#define ASSERT(truth)
static int macip_acl_interface_del_acl(acl_main_t *am, u32 sw_if_index)
Definition: acl.c:1709
int trace_sessions
Definition: acl.h:265
u32 out_ip6_table_index
Definition: acl.h:111
u8 tag[64]
Definition: acl.h:93
static void vl_api_macip_acl_del_t_handler(vl_api_macip_acl_del_t *mp)
Definition: acl.c:2206
static int acl_interface_inout_enable_disable(acl_main_t *am, u32 sw_if_index, int is_input, int enable_disable)
Definition: acl.c:667
u16 src_port_or_type_last
Definition: types.h:31
MACIP Access List Rule entry.
Definition: acl.api:153
static int macip_create_classify_tables(acl_main_t *am, u32 macip_acl_index)
Definition: acl.c:1044
static void acl_set_timeout_sec(int timeout_type, u32 value)
Definition: acl.c:2568
void * mheap_alloc_with_lock(void *memory, uword size, int locked)
Definition: mem_dlmalloc.c:442
uword * out_acl_on_sw_if_index
Definition: acl.h:178
union fa_session_t::@392 tcp_flags_seen
void acl_plugin_show_lookup_context(u32 lc_index)
u32 ** sw_if_index_vec_by_macip_acl
Definition: acl.h:235
#define MHEAP_FLAG_VALIDATE
u8 dst_ip_prefix_len
Definition: acl.api:116
static int macip_permit_also_egress(u8 is_permit)
Definition: acl.c:1038
#define clib_bitmap_free(v)
Free a bitmap.
Definition: bitmap.h:92
acl_main_t acl_main
Definition: acl.c:57
vnet_classify_main_t vnet_classify_main
Definition: vnet_classify.c:22
size_t count
Definition: vapi.c:47
static void vl_api_macip_acl_add_replace_t_handler(vl_api_macip_acl_add_replace_t *mp)
Definition: acl.c:2179
Delete an ACL.
Definition: acl.api:210
Reply to get the plugin version.
Definition: acl.api:41
static clib_error_t * acl_plugin_api_hookup(vlib_main_t *vm)
Definition: acl.c:2537
static int macip_acl_add_list(u32 count, vl_api_macip_acl_rule_t rules[], u32 *acl_list_index, u8 *tag)
Definition: acl.c:1619
uword * serviced_sw_if_index_bitmap
Definition: fa_node.h:204
vl_api_macip_acl_rule_t r[count]
Definition: acl.api:446
Reply to set the ACL list on an interface.
Definition: acl.api:272
u32 link_next_idx
Definition: fa_node.h:116
uword acl_mheap_size
Definition: acl.h:131
int vnet_classify_add_del_table(vnet_classify_main_t *cm, u8 *mask, u32 nbuckets, u32 memory_size, u32 skip, u32 match, u32 next_table_index, u32 miss_next_index, u32 *table_index, u8 current_data_flag, i16 current_data_offset, int is_add, int del_chain)
#define MHEAP_FLAG_TRACE
#define vec_elt(v, i)
Get vector value at index i.
#define MHEAP_FLAG_SMALL_OBJECT_CACHE
static void macip_acl_print(acl_main_t *am, u32 macip_acl_index)
Definition: acl.c:2860
u32 * macip_acl_by_sw_if_index
Definition: acl.h:232
Get the vector of MACIP ACL IDs applied to the interfaces.
Definition: acl.api:454
static void vl_api_acl_interface_list_dump_t_handler(vl_api_acl_interface_list_dump_t *mp)
Definition: acl.c:2118
u16 as_u16
Definition: fa_node.h:111
static void acl_interface_reset_inout_acls(u32 sw_if_index, u8 is_input, int *may_clear_sessions)
Definition: acl.c:826
Add/Replace a MACIP ACL.
Definition: acl.api:365
static int acl_add_list(u32 count, vl_api_acl_rule_t rules[], u32 *acl_list_index, u8 *tag)
Definition: acl.c:379
static void print_clib_warning_and_reset(vlib_main_t *vm, u8 *out0)
Definition: acl.c:243
static int acl_set_etype_whitelists(acl_main_t *am, u32 sw_if_index, u16 *vec_in, u16 *vec_out)
Definition: acl.c:899
u32 out_table_index
Definition: acl.c:950
u32 arp_dot1ad_table_index
Definition: acl.c:948
static void vl_api_acl_del_t_handler(vl_api_acl_del_t *mp)
Definition: acl.c:1891
static void send_macip_acl_details(acl_main_t *am, vl_api_registration_t *reg, macip_acl_list_t *acl, u32 context)
Definition: acl.c:2238
macip_acl_list_t * macip_acls
Definition: acl.h:166
static clib_error_t * acl_show_aclplugin_sessions_fn(vlib_main_t *vm, unformat_input_t *input, vlib_cli_command_t *cmd)
Definition: acl.c:3331
static acl_plugin_methods_t acl_plugin
Definition: acl.c:100
static void send_macip_acl_interface_list_details(acl_main_t *am, vl_api_registration_t *reg, u32 sw_if_index, u32 acl_index, u32 context)
Definition: acl.c:2352
uword hash_lookup_mheap_size
Definition: acl.h:149
#define vec_len(v)
Number of elements in vector (rvalue-only, NULL tolerant)
Details about a single ACL contents.
Definition: acl.api:287
u32 ip6_table_index
Definition: acl.h:107
static void vl_api_macip_acl_interface_list_dump_t_handler(vl_api_macip_acl_interface_list_dump_t *mp)
Definition: acl.c:2377
u8 tcp_flags_mask
Definition: types.h:35
acl_fa_per_worker_data_t * per_worker_data
Definition: acl.h:292
u64 uword
Definition: types.h:112
#define vec_sort_with_function(vec, f)
Sort a vector using the supplied element comparison function.
Definition: vec.h:984
vnet_sw_interface_t * sw_interfaces
Definition: interface.h:830
int fa_interrupt_generation
Definition: acl.h:289
u32 ** input_sw_if_index_vec_by_acl
Definition: acl.h:173
int use_tuple_merge
Definition: acl.h:199
u16 ** output_etype_whitelist_by_sw_if_index
Definition: acl.h:229
static void vl_api_acl_interface_set_acl_list_t_handler(vl_api_acl_interface_set_acl_list_t *mp)
Definition: acl.c:1923
u64 fa_max_deleted_sessions_per_interval
Definition: acl.h:274
void * acl_mheap
Definition: acl.h:130
void * acl_plugin_set_heap()
Definition: acl.c:160
static clib_error_t * acl_set_aclplugin_fn(vlib_main_t *vm, unformat_input_t *input, vlib_cli_command_t *cmd)
Definition: acl.c:2637
u16 thread_index
Definition: fa_node.h:112
unformat_function_t unformat_memory_size
Definition: format.h:295
static void try_increment_acl_policy_epoch(acl_main_t *am, u32 acl_num, int is_input)
Definition: acl.c:354
static int acl_interface_add_del_inout_acl(u32 sw_if_index, u8 is_add, u8 is_input, u32 acl_list_index)
Definition: acl.c:837
u8 * format_unformat_error(u8 *s, va_list *va)
Definition: unformat.c:91
static void policy_notify_acl_change(acl_main_t *am, u32 acl_num)
Definition: acl.c:370
u8 tcp_flags_value
Definition: types.h:34
Get the plugin version.
Definition: acl.api:29
static vlib_thread_main_t * vlib_get_thread_main()
Definition: global_funcs.h:32
static void acl_plugin_show_sessions(acl_main_t *am, u32 show_session_thread_id, u32 show_session_session_index)
Definition: acl.c:3174
static void copy_acl_rule_to_api_rule(vl_api_acl_rule_t *api_rule, acl_rule_t *r)
Definition: acl.c:1974
u16 ** input_etype_whitelist_by_sw_if_index
Definition: acl.h:228
void mheap_validate(void *v)
Definition: mheap.c:1378
#define vec_foreach(var, vec)
Vector iterator.
static void * acl_set_heap(acl_main_t *am)
Definition: acl.c:119
clib_spinlock_t pending_session_change_request_lock
Definition: fa_node.h:172
unsigned long long u32x4
Definition: ixge.c:28
void * hash_lookup_mheap
Definition: acl.h:148
u64 fa_session_total_deactivations
Definition: acl.h:252
static void print_cli_and_reset(vlib_main_t *vm, u8 *out0)
Definition: acl.c:250
Add a MACIP ACL.
Definition: acl.api:334
int reclassify_sessions
Definition: acl.h:188
void show_fa_sessions_hash(vlib_main_t *vm, u32 verbose)
u8 * format_acl_plugin_5tuple(u8 *s, va_list *args)
u32 * input_lc_index_by_sw_if_index
Definition: acl.h:161
u32 vl_msg_api_get_msg_length(void *msg_arg)
Definition: api_shared.c:627
Definition: acl.h:89
u32 out_ip4_table_index
Definition: acl.h:110
u32 client_index
Definition: acl.api:274
u32 ** output_sw_if_index_vec_by_acl
Definition: acl.h:174
#define ACL_PLUGIN_VERSION_MAJOR
Definition: acl.h:36
u8 tag[64]
Definition: acl.h:102
static clib_error_t * acl_show_aclplugin_macip_interface_fn(vlib_main_t *vm, unformat_input_t *input, vlib_cli_command_t *cmd)
Definition: acl.c:2927
#define FA_POLICY_EPOCH_MASK
Definition: fa_node.h:124
#define vec_validate_init_empty(V, I, INIT)
Make sure vector is long enough for given index and initialize empty space (no header, unspecified alignment)
Definition: vec.h:488
#define CLIB_CACHE_LINE_BYTES
Definition: cache.h:59
#define ACL_PLUGIN_HASH_LOOKUP_HEAP_SIZE
Definition: acl.h:45
static int intf_has_etype_whitelist(acl_main_t *am, u32 sw_if_index, int is_input)
Definition: acl.c:564
void acl_plugin_show_tables_acl_hash_info(u32 acl_index)
Definition: hash_lookup.c:1296
#define TM_SPLIT_THRESHOLD
Definition: acl.h:202
api_main_t api_main
Definition: api_shared.c:35
static int acl_interface_set_inout_acl_list(acl_main_t *am, u32 sw_if_index, u8 is_input, u32 *vec_acl_list_index, int *may_clear_sessions)
Definition: acl.c:683
void vlib_cli_output(vlib_main_t *vm, char *fmt,...)
Definition: cli.c:762
#define ACL_FA_DEFAULT_MAX_DELETED_SESSIONS_PER_INTERVAL
Definition: acl.h:273
static void vl_api_acl_plugin_control_ping_t_handler(vl_api_acl_plugin_control_ping_t *mp)
Definition: acl.c:227
acl_list_t * acls
Definition: acl.h:141
int vnet_set_output_acl_intfc(vlib_main_t *vm, u32 sw_if_index, u32 ip4_table_index, u32 ip6_table_index, u32 l2_table_index, u32 is_add)
Definition: in_out_acl.c:139
u32 ** output_acl_vec_by_sw_if_index
Definition: acl.h:170
static clib_error_t * acl_show_aclplugin_lookup_context_fn(vlib_main_t *vm, unformat_input_t *input, vlib_cli_command_t *cmd)
Definition: acl.c:2996
u32 out_dot1ad_table_index
Definition: acl.c:953
#define TCP_SESSION_TRANSIENT_TIMEOUT_SEC
Definition: acl.h:41
u8 is_permit
Definition: acl.h:78
static void vl_api_macip_acl_interface_add_del_t_handler(vl_api_macip_acl_interface_add_del_t *mp)
Definition: acl.c:2219
u32 arp_table_index
Definition: acl.c:944
uword unformat(unformat_input_t *i, const char *fmt,...)
Definition: unformat.c:972
u64 link_enqueue_time
Definition: fa_node.h:114
u32 fa_conn_table_hash_num_buckets
Definition: acl.h:261
static uword unformat_check_input(unformat_input_t *i)
Definition: format.h:170
#define ACL_FA_CONN_TABLE_DEFAULT_HASH_MEMORY_SIZE
Definition: fa_node.h:24
u64 fa_session_total_dels
Definition: acl.h:250
static int acl_del_list(u32 acl_list_index)
Definition: acl.c:491
static void send_acl_interface_list_details(acl_main_t *am, vl_api_registration_t *reg, u32 sw_if_index, u32 context)
Definition: acl.c:2071
static void macip_destroy_classify_tables(acl_main_t *am, u32 macip_acl_index)
Definition: acl.c:1548
u16 vl_msg_api_get_msg_ids(const char *name, int n)
Definition: api_shared.c:865
static void vl_api_macip_acl_interface_get_t_handler(vl_api_macip_acl_interface_get_t *mp)
Definition: acl.c:2323
foreach_fa_cleaner_counter vlib_main_t * vlib_main
Definition: acl.h:314