FD.io VPP  v19.04.4-rc0-5-ge88582fac
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  acl_rule_t *acl_rules = am->acls[acl_index].rules;
264  u8 *out0 = format (0, "acl-index %u count %u tag {%s}\n", acl_index,
265  vec_len (acl_rules), am->acls[acl_index].tag);
266  int j;
267  vpr (vm, out0);
268  for (j = 0; j < vec_len (acl_rules); j++)
269  {
270  r = &acl_rules[j];
271  out0 = format (out0, " %9d: %s ", j, r->is_ipv6 ? "ipv6" : "ipv4");
272  out0 = format_acl_action (out0, r->is_permit);
273  out0 = format (out0, " src %U/%d", format_ip46_address, &r->src,
275  r->src_prefixlen);
276  out0 =
277  format (out0, " dst %U/%d", format_ip46_address, &r->dst,
278  r->is_ipv6 ? IP46_TYPE_IP6 : IP46_TYPE_IP4, r->dst_prefixlen);
279  out0 = format (out0, " proto %d", r->proto);
280  out0 = format (out0, " sport %d", r->src_port_or_type_first);
282  {
283  out0 = format (out0, "-%d", r->src_port_or_type_last);
284  }
285  out0 = format (out0, " dport %d", r->dst_port_or_code_first);
287  {
288  out0 = format (out0, "-%d", r->dst_port_or_code_last);
289  }
290  if (r->tcp_flags_mask || r->tcp_flags_value)
291  {
292  out0 =
293  format (out0, " tcpflags %d mask %d", r->tcp_flags_value,
294  r->tcp_flags_mask);
295  }
296  out0 = format (out0, "\n");
297  vpr (vm, out0);
298  }
299 }
300 
301 static void
304 {
305  acl_main_t *am = &acl_main;
307  int msg_size = sizeof (*rmp);
309 
311  if (rp == 0)
312  return;
313 
314  rmp = vl_msg_api_alloc (msg_size);
315  memset (rmp, 0, msg_size);
316  rmp->_vl_msg_id =
317  ntohs (VL_API_ACL_PLUGIN_GET_CONN_TABLE_MAX_ENTRIES_REPLY +
318  am->msg_id_base);
319  rmp->context = mp->context;
320  rmp->conn_table_max_entries = __bswap_64 (am->fa_conn_table_max_entries);
321 
322  vl_api_send_msg (rp, (u8 *) rmp);
323 }
324 
325 static void
327 {
328  acl_print_acl_x (print_cli_and_reset, vm, am, acl_index);
329 }
330 
331 static void
333 {
334  acl_print_acl_x (print_clib_warning_and_reset, vm, am, acl_index);
335 }
336 
337 static void
339 {
340 
341  u32 **ppolicy_epoch_by_swi =
342  is_input ? &am->input_policy_epoch_by_sw_if_index :
344  vec_validate (*ppolicy_epoch_by_swi, sw_if_index);
345 
346  u32 *p_epoch = vec_elt_at_index ((*ppolicy_epoch_by_swi), sw_if_index);
347  *p_epoch =
348  ((1 + *p_epoch) & FA_POLICY_EPOCH_MASK) +
349  (is_input * FA_POLICY_EPOCH_IS_INPUT);
350 }
351 
352 static void
353 try_increment_acl_policy_epoch (acl_main_t * am, u32 acl_num, int is_input)
354 {
355  u32 ***p_swi_vec_by_acl = is_input ? &am->input_sw_if_index_vec_by_acl
357  if (acl_num < vec_len (*p_swi_vec_by_acl))
358  {
359  u32 *p_swi;
360  vec_foreach (p_swi, (*p_swi_vec_by_acl)[acl_num])
361  {
362  increment_policy_epoch (am, *p_swi, is_input);
363  }
364 
365  }
366 }
367 
368 static void
370 {
371  try_increment_acl_policy_epoch (am, acl_num, 0);
372  try_increment_acl_policy_epoch (am, acl_num, 1);
373 }
374 
375 
376 
377 static int
379  u32 * acl_list_index, u8 * tag)
380 {
381  acl_main_t *am = &acl_main;
382  acl_list_t *a;
383  acl_rule_t *r;
384  acl_rule_t *acl_new_rules = 0;
385  int i;
386 
387  if (am->trace_acl > 255)
388  clib_warning ("API dbg: acl_add_list index %d tag %s", *acl_list_index,
389  tag);
390 
391  if (*acl_list_index != ~0)
392  {
393  /* They supplied some number, let's see if this ACL exists */
394  if (pool_is_free_index (am->acls, *acl_list_index))
395  {
396  /* tried to replace a non-existent ACL, no point doing anything */
398  ("acl-plugin-error: Trying to replace nonexistent ACL %d (tag %s)",
399  *acl_list_index, tag);
400  return VNET_API_ERROR_NO_SUCH_ENTRY;
401  }
402  }
403  if (0 == count)
404  {
406  ("acl-plugin-warning: supplied no rules for ACL %d (tag %s)",
407  *acl_list_index, tag);
408  }
409 
410  void *oldheap = acl_set_heap (am);
411 
412  /* Create and populate the rules */
413  if (count > 0)
414  vec_validate (acl_new_rules, count - 1);
415 
416  for (i = 0; i < count; i++)
417  {
418  r = vec_elt_at_index (acl_new_rules, i);
419  clib_memset (r, 0, sizeof (*r));
420  r->is_permit = rules[i].is_permit;
421  r->is_ipv6 = rules[i].is_ipv6;
422  if (r->is_ipv6)
423  {
424  memcpy (&r->src, rules[i].src_ip_addr, sizeof (r->src));
425  memcpy (&r->dst, rules[i].dst_ip_addr, sizeof (r->dst));
426  }
427  else
428  {
429  memcpy (&r->src.ip4, rules[i].src_ip_addr, sizeof (r->src.ip4));
430  memcpy (&r->dst.ip4, rules[i].dst_ip_addr, sizeof (r->dst.ip4));
431  }
432  r->src_prefixlen = rules[i].src_ip_prefix_len;
433  r->dst_prefixlen = rules[i].dst_ip_prefix_len;
434  r->proto = rules[i].proto;
435  r->src_port_or_type_first = ntohs (rules[i].srcport_or_icmptype_first);
436  r->src_port_or_type_last = ntohs (rules[i].srcport_or_icmptype_last);
437  r->dst_port_or_code_first = ntohs (rules[i].dstport_or_icmpcode_first);
438  r->dst_port_or_code_last = ntohs (rules[i].dstport_or_icmpcode_last);
439  r->tcp_flags_value = rules[i].tcp_flags_value;
440  r->tcp_flags_mask = rules[i].tcp_flags_mask;
441  }
442 
443  if (~0 == *acl_list_index)
444  {
445  /* Get ACL index */
447  clib_memset (a, 0, sizeof (*a));
448  /* Will return the newly allocated ACL index */
449  *acl_list_index = a - am->acls;
450  }
451  else
452  {
453  a = am->acls + *acl_list_index;
454  /* Get rid of the old rules */
455  if (a->rules)
456  vec_free (a->rules);
457  }
458  a->rules = acl_new_rules;
459  memcpy (a->tag, tag, sizeof (a->tag));
460  if (am->trace_acl > 255)
461  warning_acl_print_acl (am->vlib_main, am, *acl_list_index);
462  if (am->reclassify_sessions)
463  {
464  /* a change in an ACLs if they are applied may mean a new policy epoch */
465  policy_notify_acl_change (am, *acl_list_index);
466  }
467 
468  /* notify the lookup contexts about the ACL changes */
470  clib_mem_set_heap (oldheap);
471  return 0;
472 }
473 
474 static int
475 acl_is_used_by (u32 acl_index, u32 ** foo_index_vec_by_acl)
476 {
477  if (acl_index < vec_len (foo_index_vec_by_acl))
478  {
479  if (vec_len (vec_elt (foo_index_vec_by_acl, acl_index)) > 0)
480  {
481  /* ACL is applied somewhere. */
482  return 1;
483  }
484  }
485  return 0;
486 }
487 
488 static int
489 acl_del_list (u32 acl_list_index)
490 {
491  acl_main_t *am = &acl_main;
492  acl_list_t *a;
493  if (pool_is_free_index (am->acls, acl_list_index))
494  {
495  return VNET_API_ERROR_NO_SUCH_ENTRY;
496  }
497  if (acl_is_used_by (acl_list_index, am->input_sw_if_index_vec_by_acl))
498  return VNET_API_ERROR_ACL_IN_USE_INBOUND;
499  if (acl_is_used_by (acl_list_index, am->output_sw_if_index_vec_by_acl))
500  return VNET_API_ERROR_ACL_IN_USE_OUTBOUND;
501  /* lookup contexts cover other cases, not just inbound/outbound, so check that */
502  if (acl_is_used_by (acl_list_index, am->lc_index_vec_by_acl))
503  return VNET_API_ERROR_ACL_IN_USE_BY_LOOKUP_CONTEXT;
504 
505  void *oldheap = acl_set_heap (am);
506 
507  /* now we can delete the ACL itself */
508  a = pool_elt_at_index (am->acls, acl_list_index);
509  if (a->rules)
510  vec_free (a->rules);
511  pool_put (am->acls, a);
512  /* acl_list_index is now free, notify the lookup contexts */
514  clib_mem_set_heap (oldheap);
515  return 0;
516 }
517 
518 static int
520 {
521  u64 *p64 = (u64 *) p;
522  /* Be tolerant to null pointer */
523  if (0 == p)
524  return 0;
525 
526  while ((0ULL == *p64) && ((u8 *) p64 - p) < size)
527  {
528  p64++;
529  }
530  return (p64 - (u64 *) p) / 2;
531 }
532 
533 static int
535  u32 mask_len, u32 next_table_index,
536  u32 miss_next_index, u32 * table_index,
537  int is_add)
538 {
539  u32 nbuckets = 32;
540  u32 memory_size = 2 << 22;
541  u32 skip = count_skip (mask, mask_len);
542  u32 match = (mask_len / 16) - skip;
543  u8 *skip_mask_ptr = mask + 16 * skip;
544  u32 current_data_flag = 0;
545  int current_data_offset = 0;
546 
547  if (0 == match)
548  match = 1;
549 
550  void *oldheap = clib_mem_set_heap (cm->vlib_main->heap_base);
551  int ret = vnet_classify_add_del_table (cm, skip_mask_ptr, nbuckets,
552  memory_size, skip, match,
553  next_table_index, miss_next_index,
554  table_index, current_data_flag,
555  current_data_offset, is_add,
556  1 /* delete_chain */ );
557  clib_mem_set_heap (oldheap);
558  return ret;
559 }
560 
561 static int
563 {
564  u16 **v = is_input
567  u16 *whitelist = (vec_len (v) > sw_if_index) ? vec_elt (v, sw_if_index) : 0;
568  return vec_len (whitelist) > 0;
569 }
570 
571 static void
573 {
574  void *oldheap = clib_mem_set_heap (am->vlib_main->heap_base);
577  sw_if_index);
578  clib_mem_set_heap (oldheap);
579 }
580 
581 
582 static int
584  int enable_disable)
585 {
586  int rv = 0;
587 
588  /* Utterly wrong? */
590  sw_if_index))
591  return VNET_API_ERROR_INVALID_SW_IF_INDEX;
592 
593  if (clib_bitmap_get (am->in_acl_on_sw_if_index, sw_if_index) ==
594  enable_disable)
595  return 0;
596 
597  acl_fa_enable_disable (sw_if_index, 1, enable_disable);
598 
599  void *oldheap = clib_mem_set_heap (am->vlib_main->heap_base);
600  rv = vnet_l2_feature_enable_disable ("l2-input-ip4", "acl-plugin-in-ip4-l2",
601  sw_if_index, enable_disable, 0, 0);
602  if (rv)
603  clib_error ("Could not enable on input");
604  rv = vnet_l2_feature_enable_disable ("l2-input-ip6", "acl-plugin-in-ip6-l2",
605  sw_if_index, enable_disable, 0, 0);
606  if (rv)
607  clib_error ("Could not enable on input");
608 
609  if (intf_has_etype_whitelist (am, sw_if_index, 1))
610  vnet_l2_feature_enable_disable ("l2-input-nonip",
611  "acl-plugin-in-nonip-l2", sw_if_index,
612  enable_disable, 0, 0);
613 
614  clib_mem_set_heap (oldheap);
615 
617  clib_bitmap_set (am->in_acl_on_sw_if_index, sw_if_index, enable_disable);
618 
619  return rv;
620 }
621 
622 static int
624  int enable_disable)
625 {
626  int rv = 0;
627 
628  /* Utterly wrong? */
630  sw_if_index))
631  return VNET_API_ERROR_INVALID_SW_IF_INDEX;
632 
633  if (clib_bitmap_get (am->out_acl_on_sw_if_index, sw_if_index) ==
634  enable_disable)
635  return 0;
636 
637  acl_fa_enable_disable (sw_if_index, 0, enable_disable);
638 
639  void *oldheap = clib_mem_set_heap (am->vlib_main->heap_base);
640  rv =
641  vnet_l2_feature_enable_disable ("l2-output-ip4", "acl-plugin-out-ip4-l2",
642  sw_if_index, enable_disable, 0, 0);
643  if (rv)
644  clib_error ("Could not enable on output");
645  rv =
646  vnet_l2_feature_enable_disable ("l2-output-ip6", "acl-plugin-out-ip6-l2",
647  sw_if_index, enable_disable, 0, 0);
648  if (rv)
649  clib_error ("Could not enable on output");
650  if (intf_has_etype_whitelist (am, sw_if_index, 0))
651  vnet_l2_feature_enable_disable ("l2-output-nonip",
652  "acl-plugin-out-nonip-l2", sw_if_index,
653  enable_disable, 0, 0);
654 
655 
656  clib_mem_set_heap (oldheap);
657 
659  clib_bitmap_set (am->out_acl_on_sw_if_index, sw_if_index, enable_disable);
660 
661  return rv;
662 }
663 
664 static int
666  int is_input, int enable_disable)
667 {
668  if (is_input)
669  return acl_interface_in_enable_disable (am, sw_if_index, enable_disable);
670  else
671  return acl_interface_out_enable_disable (am, sw_if_index, enable_disable);
672 }
673 
674 static int
675 acl_is_not_defined (acl_main_t * am, u32 acl_list_index)
676 {
677  return (pool_is_free_index (am->acls, acl_list_index));
678 }
679 
680 static int
682  u8 is_input, u32 * vec_acl_list_index,
683  int *may_clear_sessions)
684 {
685  u32 *pacln;
686  uword *seen_acl_bitmap = 0;
687  uword *old_seen_acl_bitmap = 0;
688  uword *change_acl_bitmap = 0;
689  int acln;
690  int rv = 0;
691 
692 
693  if (am->trace_acl > 255)
695  ("API dbg: acl_interface_set_inout_acl_list: sw_if_index %d is_input %d acl_vec: [%U]",
696  sw_if_index, is_input, format_vec32, vec_acl_list_index, "%d");
697 
698  vec_foreach (pacln, vec_acl_list_index)
699  {
700  if (acl_is_not_defined (am, *pacln))
701  {
702  /* ACL is not defined. Can not apply */
703  clib_warning ("ERROR: ACL %d not defined", *pacln);
704  rv = VNET_API_ERROR_NO_SUCH_ENTRY;
705  goto done;
706  }
707  if (clib_bitmap_get (seen_acl_bitmap, *pacln))
708  {
709  /* ACL being applied twice within the list. error. */
710  clib_warning ("ERROR: ACL %d being applied twice", *pacln);
711  rv = VNET_API_ERROR_ENTRY_ALREADY_EXISTS;
712  goto done;
713  }
714  seen_acl_bitmap = clib_bitmap_set (seen_acl_bitmap, *pacln, 1);
715  }
716 
717 
718  u32 **pinout_lc_index_by_sw_if_index =
719  is_input ? &am->
720  input_lc_index_by_sw_if_index : &am->output_lc_index_by_sw_if_index;
721 
722  u32 ***pinout_acl_vec_by_sw_if_index =
723  is_input ? &am->
724  input_acl_vec_by_sw_if_index : &am->output_acl_vec_by_sw_if_index;
725 
726  u32 ***pinout_sw_if_index_vec_by_acl =
727  is_input ? &am->
728  input_sw_if_index_vec_by_acl : &am->output_sw_if_index_vec_by_acl;
729 
730  vec_validate ((*pinout_acl_vec_by_sw_if_index), sw_if_index);
731 
732  clib_bitmap_validate (old_seen_acl_bitmap, 1);
733 
734  vec_foreach (pacln, (*pinout_acl_vec_by_sw_if_index)[sw_if_index])
735  {
736  old_seen_acl_bitmap = clib_bitmap_set (old_seen_acl_bitmap, *pacln, 1);
737  }
738  change_acl_bitmap =
739  clib_bitmap_dup_xor (old_seen_acl_bitmap, seen_acl_bitmap);
740 
741  if (am->trace_acl > 255)
742  clib_warning ("bitmaps: old seen %U new seen %U changed %U",
743  format_bitmap_hex, old_seen_acl_bitmap, format_bitmap_hex,
744  seen_acl_bitmap, format_bitmap_hex, change_acl_bitmap);
745 
746 /* *INDENT-OFF* */
747  clib_bitmap_foreach(acln, change_acl_bitmap, ({
748  if (clib_bitmap_get(old_seen_acl_bitmap, acln)) {
749  /* ACL is being removed. */
750  if (acln < vec_len((*pinout_sw_if_index_vec_by_acl))) {
751  int index = vec_search((*pinout_sw_if_index_vec_by_acl)[acln], sw_if_index);
752  vec_del1((*pinout_sw_if_index_vec_by_acl)[acln], index);
753  }
754  } else {
755  /* ACL is being added. */
756  vec_validate((*pinout_sw_if_index_vec_by_acl), acln);
757  vec_add1((*pinout_sw_if_index_vec_by_acl)[acln], sw_if_index);
758  }
759  }));
760 /* *INDENT-ON* */
761 
762  vec_free ((*pinout_acl_vec_by_sw_if_index)[sw_if_index]);
763  (*pinout_acl_vec_by_sw_if_index)[sw_if_index] =
764  vec_dup (vec_acl_list_index);
765 
766  if (am->reclassify_sessions)
767  {
768  /* re-applying ACLs means a new policy epoch */
769  increment_policy_epoch (am, sw_if_index, is_input);
770  }
771  else
772  {
773  /* if no commonalities between the ACL# - then we should definitely clear the sessions */
774  if (may_clear_sessions && *may_clear_sessions
775  && !clib_bitmap_is_zero (change_acl_bitmap))
776  {
777  acl_clear_sessions (am, sw_if_index);
778  *may_clear_sessions = 0;
779  }
780  }
781 
782  /*
783  * prepare or delete the lookup context if necessary, and if context exists, set ACL list
784  */
785  vec_validate_init_empty ((*pinout_lc_index_by_sw_if_index), sw_if_index,
786  ~0);
787  if (vec_len (vec_acl_list_index) > 0)
788  {
789  u32 lc_index = (*pinout_lc_index_by_sw_if_index)[sw_if_index];
790  if (~0 == lc_index)
791  {
792  if (~0 == am->interface_acl_user_id)
794  acl_plugin.register_user_module ("interface ACL", "sw_if_index",
795  "is_input");
796  lc_index =
797  acl_plugin.get_lookup_context_index (am->interface_acl_user_id,
798  sw_if_index, is_input);
799  (*pinout_lc_index_by_sw_if_index)[sw_if_index] = lc_index;
800  }
801  acl_plugin.set_acl_vec_for_context (lc_index, vec_acl_list_index);
802  }
803  else
804  {
805  if (~0 != (*pinout_lc_index_by_sw_if_index)[sw_if_index])
806  {
807  acl_plugin.put_lookup_context_index ((*pinout_lc_index_by_sw_if_index)[sw_if_index]);
808  (*pinout_lc_index_by_sw_if_index)[sw_if_index] = ~0;
809  }
810  }
811 
812  /* ensure ACL processing is enabled/disabled as needed */
813  acl_interface_inout_enable_disable (am, sw_if_index, is_input,
814  vec_len (vec_acl_list_index) > 0);
815 
816 done:
817  clib_bitmap_free (change_acl_bitmap);
818  clib_bitmap_free (seen_acl_bitmap);
819  clib_bitmap_free (old_seen_acl_bitmap);
820  return rv;
821 }
822 
823 static void
825  int *may_clear_sessions)
826 {
827  acl_main_t *am = &acl_main;
828  void *oldheap = acl_set_heap (am);
829  acl_interface_set_inout_acl_list (am, sw_if_index, is_input, 0,
830  may_clear_sessions);
831  clib_mem_set_heap (oldheap);
832 }
833 
834 static int
836  u32 acl_list_index)
837 {
838 
839  acl_main_t *am = &acl_main;
840  u32 *acl_vec = 0;
841  int may_clear_sessions = 1;
842 
843  int error_already_applied = is_input ? VNET_API_ERROR_ACL_IN_USE_INBOUND
844  : VNET_API_ERROR_ACL_IN_USE_OUTBOUND;
845 
846  u32 ***pinout_acl_vec_by_sw_if_index =
847  is_input ? &am->
848  input_acl_vec_by_sw_if_index : &am->output_acl_vec_by_sw_if_index;
849  int rv = 0;
850  void *oldheap = acl_set_heap (am);
851 
852  if (is_add)
853  {
854  vec_validate ((*pinout_acl_vec_by_sw_if_index), sw_if_index);
855  u32 index = vec_search ((*pinout_acl_vec_by_sw_if_index)[sw_if_index],
856  acl_list_index);
857 
858  if (~0 != index)
859  {
860  rv = error_already_applied;
861  goto done;
862  }
863 
864  acl_vec = vec_dup ((*pinout_acl_vec_by_sw_if_index)[sw_if_index]);
865  vec_add1 (acl_vec, acl_list_index);
866  }
867  else
868  {
869  if (sw_if_index >= vec_len (*pinout_acl_vec_by_sw_if_index))
870  {
871  rv = VNET_API_ERROR_NO_SUCH_ENTRY;
872  goto done;
873  }
874 
875  u32 index = vec_search ((*pinout_acl_vec_by_sw_if_index)[sw_if_index],
876  acl_list_index);
877 
878  if (~0 == index)
879  {
880  rv = VNET_API_ERROR_NO_SUCH_ENTRY;
881  goto done;
882  }
883 
884  acl_vec = vec_dup ((*pinout_acl_vec_by_sw_if_index)[sw_if_index]);
885  vec_del1 (acl_vec, index);
886  }
887 
888  rv = acl_interface_set_inout_acl_list (am, sw_if_index, is_input, acl_vec,
889  &may_clear_sessions);
890 done:
891  vec_free (acl_vec);
892  clib_mem_set_heap (oldheap);
893  return rv;
894 }
895 
896 static int
898  u16 * vec_out)
899 {
902 
905 
908 
909  /*
910  * if there are already inbound/outbound ACLs applied, toggle the
911  * enable/disable - this will recreate the necessary tables.
912  */
913 
914  if (vec_len (am->input_acl_vec_by_sw_if_index) > sw_if_index)
915  {
916  if (vec_len (am->input_acl_vec_by_sw_if_index[sw_if_index]) > 0)
917  {
918  acl_interface_in_enable_disable (am, sw_if_index, 0);
919  acl_interface_in_enable_disable (am, sw_if_index, 1);
920  }
921  }
922  if (vec_len (am->output_acl_vec_by_sw_if_index) > sw_if_index)
923  {
924  if (vec_len (am->output_acl_vec_by_sw_if_index[sw_if_index]) > 0)
925  {
926  acl_interface_out_enable_disable (am, sw_if_index, 0);
927  acl_interface_out_enable_disable (am, sw_if_index, 1);
928  }
929  }
930  return 0;
931 }
932 
933 
934 typedef struct
935 {
938  u8 mac_mask[6];
947  /* egress tables */
955 
956 static u32
957 macip_find_match_type (macip_match_type_t * mv, u8 * mac_mask, u8 prefix_len,
958  u8 is_ipv6)
959 {
960  u32 i;
961  if (mv)
962  {
963  for (i = 0; i < vec_len (mv); i++)
964  {
965  if ((mv[i].prefix_len == prefix_len) && (mv[i].is_ipv6 == is_ipv6)
966  && (0 == memcmp (mv[i].mac_mask, mac_mask, 6)))
967  {
968  return i;
969  }
970  }
971  }
972  return ~0;
973 }
974 
975 
976 /* Get metric used to sort match types.
977  The more specific and the more often seen - the bigger the metric */
978 static int
980 {
981  unsigned int mac_bits_set = 0;
982  unsigned int mac_byte;
983  int i;
984  for (i = 0; i < 6; i++)
985  {
986  mac_byte = m->mac_mask[i];
987  for (; mac_byte; mac_byte >>= 1)
988  mac_bits_set += mac_byte & 1;
989  }
990  /*
991  * Attempt to place the more specific and the more used rules on top.
992  * There are obvious caveat corner cases to this, but they do not
993  * seem to be sensible in real world (e.g. specific IPv4 with wildcard MAC
994  * going with a wildcard IPv4 with a specific MAC).
995  */
996  return m->prefix_len + mac_bits_set + m->is_ipv6 + 10 * m->count;
997 }
998 
999 static int
1001 {
1002  /* Ascending sort based on the metric values */
1003  return match_type_metric (m1) - match_type_metric (m2);
1004 }
1005 
1006 /* Get the offset of L3 source within ethernet packet */
1007 static int
1009 {
1010  if (is6)
1011  return (sizeof (ethernet_header_t) +
1012  offsetof (ip6_header_t, src_address));
1013  else
1014  return (sizeof (ethernet_header_t) +
1015  offsetof (ip4_header_t, src_address));
1016 }
1017 
1018 static int
1020 {
1021  if (is6)
1022  return (sizeof (ethernet_header_t) +
1023  offsetof (ip6_header_t, dst_address));
1024  else
1025  return (sizeof (ethernet_header_t) +
1026  offsetof (ip4_header_t, dst_address));
1027 }
1028 
1029 /*
1030  * return if the is_permit value also requires to create the egress tables
1031  * For backwards compatibility, we keep the is_permit = 1 to only
1032  * create the ingress tables, and the new value of 3 will also
1033  * create the egress tables based on destination.
1034  */
1035 static int
1037 {
1038  return (is_permit == 3);
1039 }
1040 
1041 static int
1043 {
1044  macip_match_type_t *mvec = NULL;
1045  macip_match_type_t *mt;
1046  macip_acl_list_t *a = pool_elt_at_index (am->macip_acls, macip_acl_index);
1047  int i;
1048  u32 match_type_index;
1049  u32 last_table;
1050  u32 out_last_table;
1051  u8 mask[5 * 16];
1053 
1054  /* Count the number of different types of rules */
1055  for (i = 0; i < a->count; i++)
1056  {
1057  if (~0 ==
1058  (match_type_index =
1060  a->rules[i].src_prefixlen,
1061  a->rules[i].is_ipv6)))
1062  {
1063  match_type_index = vec_len (mvec);
1064  vec_validate (mvec, match_type_index);
1065  memcpy (mvec[match_type_index].mac_mask,
1066  a->rules[i].src_mac_mask, 6);
1067  mvec[match_type_index].prefix_len = a->rules[i].src_prefixlen;
1068  mvec[match_type_index].is_ipv6 = a->rules[i].is_ipv6;
1069  mvec[match_type_index].has_egress = 0;
1070  mvec[match_type_index].table_index = ~0;
1071  mvec[match_type_index].arp_table_index = ~0;
1072  mvec[match_type_index].dot1q_table_index = ~0;
1073  mvec[match_type_index].dot1ad_table_index = ~0;
1074  mvec[match_type_index].arp_dot1q_table_index = ~0;
1075  mvec[match_type_index].arp_dot1ad_table_index = ~0;
1076  mvec[match_type_index].out_table_index = ~0;
1077  mvec[match_type_index].out_arp_table_index = ~0;
1078  mvec[match_type_index].out_dot1q_table_index = ~0;
1079  mvec[match_type_index].out_dot1ad_table_index = ~0;
1080  mvec[match_type_index].out_arp_dot1q_table_index = ~0;
1081  mvec[match_type_index].out_arp_dot1ad_table_index = ~0;
1082  }
1083  mvec[match_type_index].count++;
1084  mvec[match_type_index].has_egress |=
1086  }
1087  /* Put the most frequently used tables last in the list so we can create classifier tables in reverse order */
1089  /* Create the classifier tables */
1090  last_table = ~0;
1091  out_last_table = ~0;
1092  /* First add ARP tables */
1093  vec_foreach (mt, mvec)
1094  {
1095  int mask_len;
1096  int is6 = mt->is_ipv6;
1097  int tags;
1098  u32 *last_tag_table;
1099  u32 *out_last_tag_table;
1100  u32 l3_offset;
1101 
1102  if (!is6)
1103  {
1104  /*
1105  0 1 2 3
1106  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
1107  +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
1108  | Destination Address |
1109  + +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
1110  | | |
1111  +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +
1112  | Source Address |
1113  +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
1114  | EtherType | Hardware Type |
1115  +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
1116  | Protocol Type | Hw addr len | Proto addr len|
1117  +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
1118  | Opcode | |
1119  +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +
1120  | Sender Hardware Address |
1121  +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
1122  | Sender Protocol Address |
1123  +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
1124  | Target Hardware Address |
1125  + +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
1126  | | TargetProtocolAddress |
1127  +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
1128  | |
1129  +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
1130  */
1131  for (tags = 2; tags >= 0; tags--)
1132  {
1133  clib_memset (mask, 0, sizeof (mask));
1134  /* source MAC address */
1135  memcpy (&mask[6], mt->mac_mask, 6);
1136 
1137  switch (tags)
1138  {
1139  case 0:
1140  default:
1141  clib_memset (&mask[12], 0xff, 2); /* ethernet protocol */
1142  l3_offset = 14;
1143  last_tag_table = &mt->arp_table_index;
1144  break;
1145  case 1:
1146  clib_memset (&mask[12], 0xff, 2); /* VLAN tag1 */
1147  clib_memset (&mask[16], 0xff, 2); /* ethernet protocol */
1148  l3_offset = 18;
1149  last_tag_table = &mt->arp_dot1q_table_index;
1150  break;
1151  case 2:
1152  clib_memset (&mask[12], 0xff, 2); /* VLAN tag1 */
1153  clib_memset (&mask[16], 0xff, 2); /* VLAN tag2 */
1154  clib_memset (&mask[20], 0xff, 2); /* ethernet protocol */
1155  l3_offset = 22;
1156  last_tag_table = &mt->arp_dot1ad_table_index;
1157  break;
1158  }
1159 
1160  /* sender hardware address within ARP */
1161  memcpy (&mask[l3_offset + 8], mt->mac_mask, 6);
1162  /* sender protocol address within ARP */
1163  for (i = 0; i < (mt->prefix_len / 8); i++)
1164  mask[l3_offset + 14 + i] = 0xff;
1165  if (mt->prefix_len % 8)
1166  mask[l3_offset + 14 + (mt->prefix_len / 8)] =
1167  0xff - ((1 << (8 - mt->prefix_len % 8)) - 1);
1168 
1169  mask_len = ((l3_offset + 14 + ((mt->prefix_len + 7) / 8) +
1170  (sizeof (u32x4) -
1171  1)) / sizeof (u32x4)) * sizeof (u32x4);
1172  acl_classify_add_del_table_small (cm, mask, mask_len, last_table,
1173  (~0 == last_table) ? 0 : ~0,
1174  last_tag_table, 1);
1175  last_table = *last_tag_table;
1176  if (mt->has_egress)
1177  {
1178  /* egress ARP table */
1179  clib_memset (mask, 0, sizeof (mask));
1180 
1181  switch (tags)
1182  {
1183  case 0:
1184  default:
1185  clib_memset (&mask[12], 0xff, 2); /* ethernet protocol */
1186  l3_offset = 14;
1187  out_last_tag_table = &mt->out_arp_table_index;
1188  break;
1189  case 1:
1190  clib_memset (&mask[12], 0xff, 2); /* VLAN tag1 */
1191  clib_memset (&mask[16], 0xff, 2); /* ethernet protocol */
1192  l3_offset = 18;
1193  out_last_tag_table = &mt->out_arp_dot1q_table_index;
1194  break;
1195  case 2:
1196  clib_memset (&mask[12], 0xff, 2); /* VLAN tag1 */
1197  clib_memset (&mask[16], 0xff, 2); /* VLAN tag2 */
1198  clib_memset (&mask[20], 0xff, 2); /* ethernet protocol */
1199  l3_offset = 22;
1200  out_last_tag_table = &mt->out_arp_dot1ad_table_index;
1201  break;
1202  }
1203 
1204  /* AYXX: FIXME here - can we tighten the ARP-related table more ? */
1205  /* mask captures just the destination and the ethertype */
1206  mask_len = ((l3_offset +
1207  (sizeof (u32x4) -
1208  1)) / sizeof (u32x4)) * sizeof (u32x4);
1209  acl_classify_add_del_table_small (cm, mask, mask_len,
1210  out_last_table,
1211  (~0 ==
1212  out_last_table) ? 0 : ~0,
1213  out_last_tag_table, 1);
1214  out_last_table = *out_last_tag_table;
1215  }
1216  }
1217  }
1218  }
1219  /* Now add IP[46] tables */
1220  vec_foreach (mt, mvec)
1221  {
1222  int mask_len;
1223  int is6 = mt->is_ipv6;
1224  int l3_src_offs;
1225  int l3_dst_offs;
1226  int tags;
1227  u32 *last_tag_table;
1228  u32 *out_last_tag_table;
1229 
1230  /*
1231  * create chained tables for VLAN (no-tags, dot1q and dot1ad) packets
1232  */
1233  for (tags = 2; tags >= 0; tags--)
1234  {
1235  clib_memset (mask, 0, sizeof (mask));
1236  memcpy (&mask[6], mt->mac_mask, 6);
1237  l3_src_offs = tags * 4 + get_l3_src_offset (is6);
1238  switch (tags)
1239  {
1240  case 0:
1241  default:
1242  clib_memset (&mask[12], 0xff, 2); /* ethernet protocol */
1243  last_tag_table = &mt->table_index;
1244  break;
1245  case 1:
1246  clib_memset (&mask[12], 0xff, 2); /* VLAN tag1 */
1247  clib_memset (&mask[16], 0xff, 2); /* ethernet protocol */
1248  last_tag_table = &mt->dot1q_table_index;
1249  break;
1250  case 2:
1251  clib_memset (&mask[12], 0xff, 2); /* VLAN tag1 */
1252  clib_memset (&mask[16], 0xff, 2); /* VLAN tag2 */
1253  clib_memset (&mask[20], 0xff, 2); /* ethernet protocol */
1254  last_tag_table = &mt->dot1ad_table_index;
1255  break;
1256  }
1257  for (i = 0; i < (mt->prefix_len / 8); i++)
1258  {
1259  mask[l3_src_offs + i] = 0xff;
1260  }
1261  if (mt->prefix_len % 8)
1262  {
1263  mask[l3_src_offs + (mt->prefix_len / 8)] =
1264  0xff - ((1 << (8 - mt->prefix_len % 8)) - 1);
1265  }
1266  /*
1267  * Round-up the number of bytes needed to store the prefix,
1268  * and round up the number of vectors too
1269  */
1270  mask_len = ((l3_src_offs + ((mt->prefix_len + 7) / 8) +
1271  (sizeof (u32x4) - 1)) / sizeof (u32x4)) * sizeof (u32x4);
1272  acl_classify_add_del_table_small (cm, mask, mask_len, last_table,
1273  (~0 == last_table) ? 0 : ~0,
1274  last_tag_table, 1);
1275  last_table = *last_tag_table;
1276  }
1277  if (mt->has_egress)
1278  {
1279  for (tags = 2; tags >= 0; tags--)
1280  {
1281  clib_memset (mask, 0, sizeof (mask));
1282  /* MAC destination */
1283  memcpy (&mask[0], mt->mac_mask, 6);
1284  l3_dst_offs = tags * 4 + get_l3_dst_offset (is6);
1285  switch (tags)
1286  {
1287  case 0:
1288  default:
1289  clib_memset (&mask[12], 0xff, 2); /* ethernet protocol */
1290  out_last_tag_table = &mt->out_table_index;
1291  break;
1292  case 1:
1293  clib_memset (&mask[12], 0xff, 2); /* VLAN tag1 */
1294  clib_memset (&mask[16], 0xff, 2); /* ethernet protocol */
1295  out_last_tag_table = &mt->out_dot1q_table_index;
1296  break;
1297  case 2:
1298  clib_memset (&mask[12], 0xff, 2); /* VLAN tag1 */
1299  clib_memset (&mask[16], 0xff, 2); /* VLAN tag2 */
1300  clib_memset (&mask[20], 0xff, 2); /* ethernet protocol */
1301  out_last_tag_table = &mt->out_dot1ad_table_index;
1302  break;
1303  }
1304  for (i = 0; i < (mt->prefix_len / 8); i++)
1305  {
1306  mask[l3_dst_offs + i] = 0xff;
1307  }
1308  if (mt->prefix_len % 8)
1309  {
1310  mask[l3_dst_offs + (mt->prefix_len / 8)] =
1311  0xff - ((1 << (8 - mt->prefix_len % 8)) - 1);
1312  }
1313  /*
1314  * Round-up the number of bytes needed to store the prefix,
1315  * and round up the number of vectors too
1316  */
1317  mask_len = ((l3_dst_offs + ((mt->prefix_len + 7) / 8) +
1318  (sizeof (u32x4) -
1319  1)) / sizeof (u32x4)) * sizeof (u32x4);
1320  acl_classify_add_del_table_small (cm, mask, mask_len,
1321  out_last_table,
1322  (~0 == out_last_table) ? 0 : ~0,
1323  out_last_tag_table, 1);
1324  out_last_table = *out_last_tag_table;
1325  }
1326  }
1327  }
1328  a->ip4_table_index = last_table;
1329  a->ip6_table_index = last_table;
1330  a->l2_table_index = last_table;
1331 
1332  a->out_ip4_table_index = out_last_table;
1333  a->out_ip6_table_index = out_last_table;
1334  a->out_l2_table_index = out_last_table;
1335 
1336  /* Populate the classifier tables with rules from the MACIP ACL */
1337  for (i = 0; i < a->count; i++)
1338  {
1339  u32 action = 0;
1340  u32 metadata = 0;
1341  int is6 = a->rules[i].is_ipv6;
1342  int l3_src_offs;
1343  int l3_dst_offs;
1344  u32 tag_table;
1345  int tags, eth;
1346 
1347  match_type_index =
1349  a->rules[i].src_prefixlen,
1350  a->rules[i].is_ipv6);
1351  ASSERT (match_type_index != ~0);
1352 
1353  for (tags = 2; tags >= 0; tags--)
1354  {
1355  clib_memset (mask, 0, sizeof (mask));
1356  l3_src_offs = tags * 4 + get_l3_src_offset (is6);
1357  memcpy (&mask[6], a->rules[i].src_mac, 6);
1358  switch (tags)
1359  {
1360  case 0:
1361  default:
1362  tag_table = mvec[match_type_index].table_index;
1363  eth = 12;
1364  break;
1365  case 1:
1366  tag_table = mvec[match_type_index].dot1q_table_index;
1367  mask[12] = 0x81;
1368  mask[13] = 0x00;
1369  eth = 16;
1370  break;
1371  case 2:
1372  tag_table = mvec[match_type_index].dot1ad_table_index;
1373  mask[12] = 0x88;
1374  mask[13] = 0xa8;
1375  mask[16] = 0x81;
1376  mask[17] = 0x00;
1377  eth = 20;
1378  break;
1379  }
1380  if (is6)
1381  {
1382  memcpy (&mask[l3_src_offs], &a->rules[i].src_ip_addr.ip6, 16);
1383  mask[eth] = 0x86;
1384  mask[eth + 1] = 0xdd;
1385  }
1386  else
1387  {
1388  memcpy (&mask[l3_src_offs], &a->rules[i].src_ip_addr.ip4, 4);
1389  mask[eth] = 0x08;
1390  mask[eth + 1] = 0x00;
1391  }
1392 
1393  /* add session to table mvec[match_type_index].table_index; */
1394  vnet_classify_add_del_session (cm, tag_table,
1395  mask, a->rules[i].is_permit ? ~0 : 0,
1396  i, 0, action, metadata, 1);
1397  clib_memset (&mask[12], 0, sizeof (mask) - 12);
1398  }
1399 
1400  /* add ARP table entry too */
1401  if (!is6 && (mvec[match_type_index].arp_table_index != ~0))
1402  {
1403  clib_memset (mask, 0, sizeof (mask));
1404  memcpy (&mask[6], a->rules[i].src_mac, 6);
1405 
1406  for (tags = 2; tags >= 0; tags--)
1407  {
1408  switch (tags)
1409  {
1410  case 0:
1411  default:
1412  tag_table = mvec[match_type_index].arp_table_index;
1413  mask[12] = 0x08;
1414  mask[13] = 0x06;
1415  l3_src_offs = 14;
1416  break;
1417  case 1:
1418  tag_table = mvec[match_type_index].arp_dot1q_table_index;
1419  mask[12] = 0x81;
1420  mask[13] = 0x00;
1421  mask[16] = 0x08;
1422  mask[17] = 0x06;
1423  l3_src_offs = 18;
1424  break;
1425  case 2:
1426  tag_table = mvec[match_type_index].arp_dot1ad_table_index;
1427  mask[12] = 0x88;
1428  mask[13] = 0xa8;
1429  mask[16] = 0x81;
1430  mask[17] = 0x00;
1431  mask[20] = 0x08;
1432  mask[21] = 0x06;
1433  l3_src_offs = 22;
1434  break;
1435  }
1436 
1437  memcpy (&mask[l3_src_offs + 8], a->rules[i].src_mac, 6);
1438  memcpy (&mask[l3_src_offs + 14], &a->rules[i].src_ip_addr.ip4,
1439  4);
1440  vnet_classify_add_del_session (cm, tag_table, mask,
1441  a->rules[i].is_permit ? ~0 : 0,
1442  i, 0, action, metadata, 1);
1443  }
1444  }
1446  {
1447  /* Add the egress entry with destination set */
1448  for (tags = 2; tags >= 0; tags--)
1449  {
1450  clib_memset (mask, 0, sizeof (mask));
1451  l3_dst_offs = tags * 4 + get_l3_dst_offset (is6);
1452  /* src mac in the other direction becomes dst */
1453  memcpy (&mask[0], a->rules[i].src_mac, 6);
1454  switch (tags)
1455  {
1456  case 0:
1457  default:
1458  tag_table = mvec[match_type_index].out_table_index;
1459  eth = 12;
1460  break;
1461  case 1:
1462  tag_table = mvec[match_type_index].out_dot1q_table_index;
1463  mask[12] = 0x81;
1464  mask[13] = 0x00;
1465  eth = 16;
1466  break;
1467  case 2:
1468  tag_table = mvec[match_type_index].out_dot1ad_table_index;
1469  mask[12] = 0x88;
1470  mask[13] = 0xa8;
1471  mask[16] = 0x81;
1472  mask[17] = 0x00;
1473  eth = 20;
1474  break;
1475  }
1476  if (is6)
1477  {
1478  memcpy (&mask[l3_dst_offs], &a->rules[i].src_ip_addr.ip6,
1479  16);
1480  mask[eth] = 0x86;
1481  mask[eth + 1] = 0xdd;
1482  }
1483  else
1484  {
1485  memcpy (&mask[l3_dst_offs], &a->rules[i].src_ip_addr.ip4,
1486  4);
1487  mask[eth] = 0x08;
1488  mask[eth + 1] = 0x00;
1489  }
1490 
1491  /* add session to table mvec[match_type_index].table_index; */
1492  vnet_classify_add_del_session (cm, tag_table,
1493  mask,
1494  a->rules[i].is_permit ? ~0 : 0,
1495  i, 0, action, metadata, 1);
1496  // clib_memset (&mask[12], 0, sizeof (mask) - 12);
1497  }
1498 
1499  /* add ARP table entry too */
1500  if (!is6 && (mvec[match_type_index].out_arp_table_index != ~0))
1501  {
1502  for (tags = 2; tags >= 0; tags--)
1503  {
1504  clib_memset (mask, 0, sizeof (mask));
1505  switch (tags)
1506  {
1507  case 0:
1508  default:
1509  tag_table = mvec[match_type_index].out_arp_table_index;
1510  mask[12] = 0x08;
1511  mask[13] = 0x06;
1512  break;
1513  case 1:
1514  tag_table =
1515  mvec[match_type_index].out_arp_dot1q_table_index;
1516  mask[12] = 0x81;
1517  mask[13] = 0x00;
1518  mask[16] = 0x08;
1519  mask[17] = 0x06;
1520  break;
1521  case 2:
1522  tag_table =
1523  mvec[match_type_index].out_arp_dot1ad_table_index;
1524  mask[12] = 0x88;
1525  mask[13] = 0xa8;
1526  mask[16] = 0x81;
1527  mask[17] = 0x00;
1528  mask[20] = 0x08;
1529  mask[21] = 0x06;
1530  break;
1531  }
1532 
1533  vnet_classify_add_del_session (cm, tag_table,
1534  mask,
1535  a->
1536  rules[i].is_permit ? ~0 : 0,
1537  i, 0, action, metadata, 1);
1538  }
1539  }
1540  }
1541  }
1542  return 0;
1543 }
1544 
1545 static void
1547 {
1549  macip_acl_list_t *a = pool_elt_at_index (am->macip_acls, macip_acl_index);
1550 
1551  if (a->ip4_table_index != ~0)
1552  {
1553  acl_classify_add_del_table_small (cm, 0, ~0, ~0, ~0,
1554  &a->ip4_table_index, 0);
1555  a->ip4_table_index = ~0;
1556  }
1557  if (a->ip6_table_index != ~0)
1558  {
1559  acl_classify_add_del_table_small (cm, 0, ~0, ~0, ~0,
1560  &a->ip6_table_index, 0);
1561  a->ip6_table_index = ~0;
1562  }
1563  if (a->l2_table_index != ~0)
1564  {
1565  acl_classify_add_del_table_small (cm, 0, ~0, ~0, ~0, &a->l2_table_index,
1566  0);
1567  a->l2_table_index = ~0;
1568  }
1569  if (a->out_ip4_table_index != ~0)
1570  {
1571  acl_classify_add_del_table_small (cm, 0, ~0, ~0, ~0,
1572  &a->out_ip4_table_index, 0);
1573  a->out_ip4_table_index = ~0;
1574  }
1575  if (a->out_ip6_table_index != ~0)
1576  {
1577  acl_classify_add_del_table_small (cm, 0, ~0, ~0, ~0,
1578  &a->out_ip6_table_index, 0);
1579  a->out_ip6_table_index = ~0;
1580  }
1581  if (a->out_l2_table_index != ~0)
1582  {
1583  acl_classify_add_del_table_small (cm, 0, ~0, ~0, ~0,
1584  &a->out_l2_table_index, 0);
1585  a->out_l2_table_index = ~0;
1586  }
1587 }
1588 
1589 static int
1591  int is_apply)
1592 {
1593  int rv = 0;
1594  int rv0 = 0;
1595  int i;
1596  macip_acl_list_t *a = pool_elt_at_index (am->macip_acls, acl_index);
1597 
1598  for (i = 0; i < vec_len (am->macip_acl_by_sw_if_index); i++)
1599  if (vec_elt (am->macip_acl_by_sw_if_index, i) == acl_index)
1600  {
1603  is_apply);
1604  /* return the first unhappy outcome but make try to plough through. */
1605  rv = rv || rv0;
1606  rv0 =
1609  a->out_l2_table_index, is_apply);
1610  /* return the first unhappy outcome but make try to plough through. */
1611  rv = rv || rv0;
1612  }
1613  return rv;
1614 }
1615 
1616 static int
1618  u32 * acl_list_index, u8 * tag)
1619 {
1620  acl_main_t *am = &acl_main;
1622  macip_acl_rule_t *r;
1623  macip_acl_rule_t *acl_new_rules = 0;
1624  int i;
1625  int rv = 0;
1626 
1627  if (*acl_list_index != ~0)
1628  {
1629  /* They supplied some number, let's see if this MACIP ACL exists */
1630  if (pool_is_free_index (am->macip_acls, *acl_list_index))
1631  {
1632  /* tried to replace a non-existent ACL, no point doing anything */
1633  clib_warning
1634  ("acl-plugin-error: Trying to replace nonexistent MACIP ACL %d (tag %s)",
1635  *acl_list_index, tag);
1636  return VNET_API_ERROR_NO_SUCH_ENTRY;
1637  }
1638  }
1639 
1640  if (0 == count)
1641  {
1642  clib_warning
1643  ("acl-plugin-warning: Trying to create empty MACIP ACL (tag %s)",
1644  tag);
1645  }
1646  /* if replacing the ACL, unapply the classifier tables first - they will be gone.. */
1647  if (~0 != *acl_list_index)
1648  rv = macip_maybe_apply_unapply_classifier_tables (am, *acl_list_index, 0);
1649  void *oldheap = acl_set_heap (am);
1650  /* Create and populate the rules */
1651  if (count > 0)
1652  vec_validate (acl_new_rules, count - 1);
1653 
1654  for (i = 0; i < count; i++)
1655  {
1656  r = &acl_new_rules[i];
1657  r->is_permit = rules[i].is_permit;
1658  r->is_ipv6 = rules[i].is_ipv6;
1659  memcpy (&r->src_mac, rules[i].src_mac, 6);
1660  memcpy (&r->src_mac_mask, rules[i].src_mac_mask, 6);
1661  if (rules[i].is_ipv6)
1662  memcpy (&r->src_ip_addr.ip6, rules[i].src_ip_addr, 16);
1663  else
1664  memcpy (&r->src_ip_addr.ip4, rules[i].src_ip_addr, 4);
1665  r->src_prefixlen = rules[i].src_ip_prefix_len;
1666  }
1667 
1668  if (~0 == *acl_list_index)
1669  {
1670  /* Get ACL index */
1672  clib_memset (a, 0, sizeof (*a));
1673  /* Will return the newly allocated ACL index */
1674  *acl_list_index = a - am->macip_acls;
1675  }
1676  else
1677  {
1678  a = pool_elt_at_index (am->macip_acls, *acl_list_index);
1679  if (a->rules)
1680  {
1681  vec_free (a->rules);
1682  }
1683  macip_destroy_classify_tables (am, *acl_list_index);
1684  }
1685 
1686  a->rules = acl_new_rules;
1687  a->count = count;
1688  memcpy (a->tag, tag, sizeof (a->tag));
1689 
1690  /* Create and populate the classifier tables */
1691  macip_create_classify_tables (am, *acl_list_index);
1692  clib_mem_set_heap (oldheap);
1693  /* If the ACL was already applied somewhere, reapply the newly created tables */
1694  rv = rv
1695  || macip_maybe_apply_unapply_classifier_tables (am, *acl_list_index, 1);
1696  return rv;
1697 }
1698 
1699 /* No check that sw_if_index denotes a valid interface - the callers
1700  * were supposed to validate.
1701  *
1702  * That said, if sw_if_index corresponds to an interface that exists at all,
1703  * this function must return errors accordingly if the ACL is not applied.
1704  */
1705 
1706 static int
1708 {
1709  int rv;
1710  u32 macip_acl_index;
1712 
1713  /* The vector is too short - MACIP ACL is not applied */
1714  if (sw_if_index >= vec_len (am->macip_acl_by_sw_if_index))
1715  return VNET_API_ERROR_NO_SUCH_ENTRY;
1716 
1717  macip_acl_index = am->macip_acl_by_sw_if_index[sw_if_index];
1718  /* No point in deleting MACIP ACL which is not applied */
1719  if (~0 == macip_acl_index)
1720  return VNET_API_ERROR_NO_SUCH_ENTRY;
1721 
1722  a = pool_elt_at_index (am->macip_acls, macip_acl_index);
1723  /* remove the classifier tables off the interface L2 ACL */
1724  rv =
1725  vnet_set_input_acl_intfc (am->vlib_main, sw_if_index, a->ip4_table_index,
1726  a->ip6_table_index, a->l2_table_index, 0);
1727  rv |=
1728  vnet_set_output_acl_intfc (am->vlib_main, sw_if_index,
1730  a->out_l2_table_index, 0);
1731  /* Unset the MACIP ACL index */
1733  /* macip_acl_interface_add_acl did a vec_add1() to this previously, so [sw_if_index] should be valid */
1734  u32 index = vec_search (am->sw_if_index_vec_by_macip_acl[macip_acl_index],
1735  sw_if_index);
1736  if (index != ~0)
1737  vec_del1 (am->sw_if_index_vec_by_macip_acl[macip_acl_index], index);
1738  return rv;
1739 }
1740 
1741 /* No check for validity of sw_if_index - the callers were supposed to validate */
1742 
1743 static int
1745  u32 macip_acl_index)
1746 {
1748  int rv;
1749  if (pool_is_free_index (am->macip_acls, macip_acl_index))
1750  {
1751  return VNET_API_ERROR_NO_SUCH_ENTRY;
1752  }
1753  void *oldheap = acl_set_heap (am);
1754  a = pool_elt_at_index (am->macip_acls, macip_acl_index);
1755  vec_validate_init_empty (am->macip_acl_by_sw_if_index, sw_if_index, ~0);
1756  vec_validate (am->sw_if_index_vec_by_macip_acl, macip_acl_index);
1757  vec_add1 (am->sw_if_index_vec_by_macip_acl[macip_acl_index], sw_if_index);
1758  clib_mem_set_heap (oldheap);
1759  /* If there already a MACIP ACL applied, unapply it */
1760  if (~0 != am->macip_acl_by_sw_if_index[sw_if_index])
1761  macip_acl_interface_del_acl (am, sw_if_index);
1762  am->macip_acl_by_sw_if_index[sw_if_index] = macip_acl_index;
1763 
1764  /* Apply the classifier tables for L2 ACLs */
1765  rv =
1766  vnet_set_input_acl_intfc (am->vlib_main, sw_if_index, a->ip4_table_index,
1767  a->ip6_table_index, a->l2_table_index, 1);
1768  rv |=
1769  vnet_set_output_acl_intfc (am->vlib_main, sw_if_index,
1771  a->out_l2_table_index, 1);
1772  return rv;
1773 }
1774 
1775 static int
1776 macip_acl_del_list (u32 acl_list_index)
1777 {
1778  acl_main_t *am = &acl_main;
1780  int i;
1781  if (pool_is_free_index (am->macip_acls, acl_list_index))
1782  {
1783  return VNET_API_ERROR_NO_SUCH_ENTRY;
1784  }
1785 
1786  /* delete any references to the ACL */
1787  for (i = 0; i < vec_len (am->macip_acl_by_sw_if_index); i++)
1788  {
1789  if (am->macip_acl_by_sw_if_index[i] == acl_list_index)
1790  {
1792  }
1793  }
1794 
1795  void *oldheap = acl_set_heap (am);
1796  /* Now that classifier tables are detached, clean them up */
1797  macip_destroy_classify_tables (am, acl_list_index);
1798 
1799  /* now we can delete the ACL itself */
1800  a = pool_elt_at_index (am->macip_acls, acl_list_index);
1801  if (a->rules)
1802  {
1803  vec_free (a->rules);
1804  }
1805  pool_put (am->macip_acls, a);
1806  clib_mem_set_heap (oldheap);
1807  return 0;
1808 }
1809 
1810 
1811 static int
1813  u32 acl_list_index)
1814 {
1815  acl_main_t *am = &acl_main;
1816  int rv = -1;
1817  if (is_add)
1818  {
1819  rv = macip_acl_interface_add_acl (am, sw_if_index, acl_list_index);
1820  }
1821  else
1822  {
1823  rv = macip_acl_interface_del_acl (am, sw_if_index);
1824  }
1825  return rv;
1826 }
1827 
1828 /*
1829  * If the client does not allocate enough memory for a variable-length
1830  * message, and then proceed to use it as if the full memory allocated,
1831  * absent the check we happily consume that on the VPP side, and go
1832  * along as if nothing happened. However, the resulting
1833  * effects range from just garbage in the API decode
1834  * (because the decoder snoops too far), to potential memory
1835  * corruptions.
1836  *
1837  * This verifies that the actual length of the message is
1838  * at least expected_len, and complains loudly if it is not.
1839  *
1840  * A failing check here is 100% a software bug on the API user side,
1841  * so we might as well yell.
1842  *
1843  */
1844 static int
1845 verify_message_len (void *mp, u32 expected_len, char *where)
1846 {
1847  u32 supplied_len = vl_msg_api_get_msg_length (mp);
1848  if (supplied_len < expected_len)
1849  {
1850  clib_warning ("%s: Supplied message length %d is less than expected %d",
1851  where, supplied_len, expected_len);
1852  return 0;
1853  }
1854  else
1855  {
1856  return 1;
1857  }
1858 }
1859 
1860 /* API message handler */
1861 static void
1863 {
1865  acl_main_t *am = &acl_main;
1866  int rv;
1867  u32 acl_list_index = ntohl (mp->acl_index);
1868  u32 acl_count = ntohl (mp->count);
1869  u32 expected_len = sizeof (*mp) + acl_count * sizeof (mp->r[0]);
1870 
1871  if (verify_message_len (mp, expected_len, "acl_add_replace"))
1872  {
1873  rv = acl_add_list (acl_count, mp->r, &acl_list_index, mp->tag);
1874  }
1875  else
1876  {
1877  rv = VNET_API_ERROR_INVALID_VALUE;
1878  }
1879 
1880  /* *INDENT-OFF* */
1881  REPLY_MACRO2(VL_API_ACL_ADD_REPLACE_REPLY,
1882  ({
1883  rmp->acl_index = htonl(acl_list_index);
1884  }));
1885  /* *INDENT-ON* */
1886 }
1887 
1888 static void
1890 {
1891  acl_main_t *am = &acl_main;
1892  vl_api_acl_del_reply_t *rmp;
1893  int rv;
1894 
1895  rv = acl_del_list (ntohl (mp->acl_index));
1896 
1897  REPLY_MACRO (VL_API_ACL_DEL_REPLY);
1898 }
1899 
1900 static void
1902 {
1903  acl_main_t *am = &acl_main;
1905  u32 sw_if_index = ntohl (mp->sw_if_index);
1906  vl_api_acl_interface_add_del_reply_t *rmp;
1907  int rv = -1;
1908 
1909  if (pool_is_free_index (im->sw_interfaces, sw_if_index))
1910  rv = VNET_API_ERROR_INVALID_SW_IF_INDEX;
1911  else
1912  rv =
1913  acl_interface_add_del_inout_acl (sw_if_index, mp->is_add,
1914  mp->is_input, ntohl (mp->acl_index));
1915 
1916  REPLY_MACRO (VL_API_ACL_INTERFACE_ADD_DEL_REPLY);
1917 }
1918 
1919 static void
1922 {
1923  acl_main_t *am = &acl_main;
1924  vl_api_acl_interface_set_acl_list_reply_t *rmp;
1925  int rv = 0;
1926  int i;
1928  u32 sw_if_index = ntohl (mp->sw_if_index);
1929 
1930  if (pool_is_free_index (im->sw_interfaces, sw_if_index))
1931  rv = VNET_API_ERROR_INVALID_SW_IF_INDEX;
1932  else
1933  {
1934  int may_clear_sessions = 1;
1935  for (i = 0; i < mp->count; i++)
1936  {
1937  if (acl_is_not_defined (am, ntohl (mp->acls[i])))
1938  {
1939  /* ACL does not exist, so we can not apply it */
1940  rv = VNET_API_ERROR_NO_SUCH_ENTRY;
1941  }
1942  }
1943  if (0 == rv)
1944  {
1945  void *oldheap = acl_set_heap (am);
1946 
1947  u32 *in_acl_vec = 0;
1948  u32 *out_acl_vec = 0;
1949  for (i = 0; i < mp->count; i++)
1950  if (i < mp->n_input)
1951  vec_add1 (in_acl_vec, clib_net_to_host_u32 (mp->acls[i]));
1952  else
1953  vec_add1 (out_acl_vec, clib_net_to_host_u32 (mp->acls[i]));
1954 
1955  rv =
1956  acl_interface_set_inout_acl_list (am, sw_if_index, 0, out_acl_vec,
1957  &may_clear_sessions);
1958  rv = rv
1959  || acl_interface_set_inout_acl_list (am, sw_if_index, 1,
1960  in_acl_vec,
1961  &may_clear_sessions);
1962  vec_free (in_acl_vec);
1963  vec_free (out_acl_vec);
1964  clib_mem_set_heap (oldheap);
1965  }
1966  }
1967 
1968  REPLY_MACRO (VL_API_ACL_INTERFACE_SET_ACL_LIST_REPLY);
1969 }
1970 
1971 static void
1973 {
1974  api_rule->is_permit = r->is_permit;
1975  api_rule->is_ipv6 = r->is_ipv6;
1976  if (r->is_ipv6)
1977  {
1978  memcpy (api_rule->src_ip_addr, &r->src, sizeof (r->src));
1979  memcpy (api_rule->dst_ip_addr, &r->dst, sizeof (r->dst));
1980  }
1981  else
1982  {
1983  memcpy (api_rule->src_ip_addr, &r->src.ip4, sizeof (r->src.ip4));
1984  memcpy (api_rule->dst_ip_addr, &r->dst.ip4, sizeof (r->dst.ip4));
1985  }
1986  api_rule->src_ip_prefix_len = r->src_prefixlen;
1987  api_rule->dst_ip_prefix_len = r->dst_prefixlen;
1988  api_rule->proto = r->proto;
1989  api_rule->srcport_or_icmptype_first = htons (r->src_port_or_type_first);
1990  api_rule->srcport_or_icmptype_last = htons (r->src_port_or_type_last);
1991  api_rule->dstport_or_icmpcode_first = htons (r->dst_port_or_code_first);
1992  api_rule->dstport_or_icmpcode_last = htons (r->dst_port_or_code_last);
1993  api_rule->tcp_flags_mask = r->tcp_flags_mask;
1994  api_rule->tcp_flags_value = r->tcp_flags_value;
1995 }
1996 
1997 static void
1999  acl_list_t * acl, u32 context)
2000 {
2003  int i;
2004  acl_rule_t *acl_rules = acl->rules;
2005  int msg_size = sizeof (*mp) + sizeof (mp->r[0]) * vec_len (acl_rules);
2006  void *oldheap = acl_set_heap (am);
2007 
2008  mp = vl_msg_api_alloc (msg_size);
2009  clib_memset (mp, 0, msg_size);
2010  mp->_vl_msg_id = ntohs (VL_API_ACL_DETAILS + am->msg_id_base);
2011 
2012  /* fill in the message */
2013  mp->context = context;
2014  mp->count = htonl (vec_len (acl_rules));
2015  mp->acl_index = htonl (acl - am->acls);
2016  memcpy (mp->tag, acl->tag, sizeof (mp->tag));
2017  // clib_memcpy (mp->r, acl->rules, acl->count * sizeof(acl->rules[0]));
2018  rules = mp->r;
2019  for (i = 0; i < vec_len (acl_rules); i++)
2020  {
2021  copy_acl_rule_to_api_rule (&rules[i], &acl_rules[i]);
2022  }
2023 
2024  clib_mem_set_heap (oldheap);
2025  vl_api_send_msg (reg, (u8 *) mp);
2026 }
2027 
2028 
2029 static void
2031 {
2032  acl_main_t *am = &acl_main;
2033  u32 acl_index;
2034  acl_list_t *acl;
2035  int rv = -1;
2036  vl_api_registration_t *reg;
2037 
2039  if (!reg)
2040  return;
2041 
2042  if (mp->acl_index == ~0)
2043  {
2044  /* *INDENT-OFF* */
2045  /* Just dump all ACLs */
2046  pool_foreach (acl, am->acls,
2047  ({
2048  send_acl_details(am, reg, acl, mp->context);
2049  }));
2050  /* *INDENT-ON* */
2051  }
2052  else
2053  {
2054  acl_index = ntohl (mp->acl_index);
2055  if (!pool_is_free_index (am->acls, acl_index))
2056  {
2057  acl = pool_elt_at_index (am->acls, acl_index);
2058  send_acl_details (am, reg, acl, mp->context);
2059  }
2060  }
2061 
2062  if (rv == -1)
2063  {
2064  /* FIXME API: should we signal an error here at all ? */
2065  return;
2066  }
2067 }
2068 
2069 static void
2071  vl_api_registration_t * reg,
2073 {
2075  int msg_size;
2076  int n_input;
2077  int n_output;
2078  int count;
2079  int i = 0;
2080  void *oldheap = acl_set_heap (am);
2081 
2082  vec_validate (am->input_acl_vec_by_sw_if_index, sw_if_index);
2083  vec_validate (am->output_acl_vec_by_sw_if_index, sw_if_index);
2084 
2085  clib_mem_set_heap (oldheap);
2086 
2087  n_input = vec_len (am->input_acl_vec_by_sw_if_index[sw_if_index]);
2088  n_output = vec_len (am->output_acl_vec_by_sw_if_index[sw_if_index]);
2089  count = n_input + n_output;
2090 
2091  msg_size = sizeof (*mp);
2092  msg_size += sizeof (mp->acls[0]) * count;
2093 
2094  mp = vl_msg_api_alloc (msg_size);
2095  clib_memset (mp, 0, msg_size);
2096  mp->_vl_msg_id =
2097  ntohs (VL_API_ACL_INTERFACE_LIST_DETAILS + am->msg_id_base);
2098 
2099  /* fill in the message */
2100  mp->context = context;
2101  mp->sw_if_index = htonl (sw_if_index);
2102  mp->count = count;
2103  mp->n_input = n_input;
2104  for (i = 0; i < n_input; i++)
2105  {
2106  mp->acls[i] = htonl (am->input_acl_vec_by_sw_if_index[sw_if_index][i]);
2107  }
2108  for (i = 0; i < n_output; i++)
2109  {
2110  mp->acls[n_input + i] =
2111  htonl (am->output_acl_vec_by_sw_if_index[sw_if_index][i]);
2112  }
2113  vl_api_send_msg (reg, (u8 *) mp);
2114 }
2115 
2116 static void
2118  mp)
2119 {
2120  acl_main_t *am = &acl_main;
2121  vnet_sw_interface_t *swif;
2123 
2124  u32 sw_if_index;
2125  vl_api_registration_t *reg;
2126 
2128  if (!reg)
2129  return;
2130 
2131  if (mp->sw_if_index == ~0)
2132  {
2133  /* *INDENT-OFF* */
2134  pool_foreach (swif, im->sw_interfaces,
2135  ({
2136  send_acl_interface_list_details(am, reg, swif->sw_if_index, mp->context);
2137  }));
2138  /* *INDENT-ON* */
2139  }
2140  else
2141  {
2142  sw_if_index = ntohl (mp->sw_if_index);
2143  if (!pool_is_free_index (im->sw_interfaces, sw_if_index))
2144  send_acl_interface_list_details (am, reg, sw_if_index, mp->context);
2145  }
2146 }
2147 
2148 /* MACIP ACL API handlers */
2149 
2150 static void
2152 {
2154  acl_main_t *am = &acl_main;
2155  int rv;
2156  u32 acl_list_index = ~0;
2157  u32 acl_count = ntohl (mp->count);
2158  u32 expected_len = sizeof (*mp) + acl_count * sizeof (mp->r[0]);
2159 
2160  if (verify_message_len (mp, expected_len, "macip_acl_add"))
2161  {
2162  rv = macip_acl_add_list (acl_count, mp->r, &acl_list_index, mp->tag);
2163  }
2164  else
2165  {
2166  rv = VNET_API_ERROR_INVALID_VALUE;
2167  }
2168 
2169  /* *INDENT-OFF* */
2170  REPLY_MACRO2(VL_API_MACIP_ACL_ADD_REPLY,
2171  ({
2172  rmp->acl_index = htonl(acl_list_index);
2173  }));
2174  /* *INDENT-ON* */
2175 }
2176 
2177 static void
2179 {
2181  acl_main_t *am = &acl_main;
2182  int rv;
2183  u32 acl_list_index = ntohl (mp->acl_index);
2184  u32 acl_count = ntohl (mp->count);
2185  u32 expected_len = sizeof (*mp) + acl_count * sizeof (mp->r[0]);
2186 
2187  if (verify_message_len (mp, expected_len, "macip_acl_add_replace"))
2188  {
2189  rv = macip_acl_add_list (acl_count, mp->r, &acl_list_index, mp->tag);
2190  }
2191  else
2192  {
2193  rv = VNET_API_ERROR_INVALID_VALUE;
2194  }
2195 
2196  /* *INDENT-OFF* */
2197  REPLY_MACRO2(VL_API_MACIP_ACL_ADD_REPLACE_REPLY,
2198  ({
2199  rmp->acl_index = htonl(acl_list_index);
2200  }));
2201  /* *INDENT-ON* */
2202 }
2203 
2204 static void
2206 {
2207  acl_main_t *am = &acl_main;
2208  vl_api_macip_acl_del_reply_t *rmp;
2209  int rv;
2210 
2211  rv = macip_acl_del_list (ntohl (mp->acl_index));
2212 
2213  REPLY_MACRO (VL_API_MACIP_ACL_DEL_REPLY);
2214 }
2215 
2216 static void
2219 {
2220  acl_main_t *am = &acl_main;
2221  vl_api_macip_acl_interface_add_del_reply_t *rmp;
2222  int rv = -1;
2224  u32 sw_if_index = ntohl (mp->sw_if_index);
2225 
2226  if (pool_is_free_index (im->sw_interfaces, sw_if_index))
2227  rv = VNET_API_ERROR_INVALID_SW_IF_INDEX;
2228  else
2229  rv =
2231  ntohl (mp->acl_index));
2232 
2233  REPLY_MACRO (VL_API_MACIP_ACL_INTERFACE_ADD_DEL_REPLY);
2234 }
2235 
2236 static void
2238  macip_acl_list_t * acl, u32 context)
2239 {
2242  macip_acl_rule_t *r;
2243  int i;
2244  int msg_size = sizeof (*mp) + (acl ? sizeof (mp->r[0]) * acl->count : 0);
2245 
2246  mp = vl_msg_api_alloc (msg_size);
2247  clib_memset (mp, 0, msg_size);
2248  mp->_vl_msg_id = ntohs (VL_API_MACIP_ACL_DETAILS + am->msg_id_base);
2249 
2250  /* fill in the message */
2251  mp->context = context;
2252  if (acl)
2253  {
2254  memcpy (mp->tag, acl->tag, sizeof (mp->tag));
2255  mp->count = htonl (acl->count);
2256  mp->acl_index = htonl (acl - am->macip_acls);
2257  rules = mp->r;
2258  for (i = 0; i < acl->count; i++)
2259  {
2260  r = &acl->rules[i];
2261  rules[i].is_permit = r->is_permit;
2262  rules[i].is_ipv6 = r->is_ipv6;
2263  memcpy (rules[i].src_mac, &r->src_mac, sizeof (r->src_mac));
2264  memcpy (rules[i].src_mac_mask, &r->src_mac_mask,
2265  sizeof (r->src_mac_mask));
2266  if (r->is_ipv6)
2267  memcpy (rules[i].src_ip_addr, &r->src_ip_addr.ip6,
2268  sizeof (r->src_ip_addr.ip6));
2269  else
2270  memcpy (rules[i].src_ip_addr, &r->src_ip_addr.ip4,
2271  sizeof (r->src_ip_addr.ip4));
2272  rules[i].src_ip_prefix_len = r->src_prefixlen;
2273  }
2274  }
2275  else
2276  {
2277  /* No martini, no party - no ACL applied to this interface. */
2278  mp->acl_index = ~0;
2279  mp->count = 0;
2280  }
2281 
2282  vl_api_send_msg (reg, (u8 *) mp);
2283 }
2284 
2285 
2286 static void
2288 {
2289  acl_main_t *am = &acl_main;
2290  macip_acl_list_t *acl;
2291 
2292  vl_api_registration_t *reg;
2293 
2295  if (!reg)
2296  return;
2297 
2298  if (mp->acl_index == ~0)
2299  {
2300  /* Just dump all ACLs for now, with sw_if_index = ~0 */
2301  pool_foreach (acl, am->macip_acls, (
2302  {
2303  send_macip_acl_details (am, reg,
2304  acl,
2305  mp->context);
2306  }
2307  ));
2308  /* *INDENT-ON* */
2309  }
2310  else
2311  {
2312  u32 acl_index = ntohl (mp->acl_index);
2313  if (!pool_is_free_index (am->macip_acls, acl_index))
2314  {
2315  acl = pool_elt_at_index (am->macip_acls, acl_index);
2316  send_macip_acl_details (am, reg, acl, mp->context);
2317  }
2318  }
2319 }
2320 
2321 static void
2323  mp)
2324 {
2325  acl_main_t *am = &acl_main;
2328  int msg_size = sizeof (*rmp) + sizeof (rmp->acls[0]) * count;
2329  vl_api_registration_t *reg;
2330  int i;
2331 
2333  if (!reg)
2334  return;
2335 
2336  rmp = vl_msg_api_alloc (msg_size);
2337  clib_memset (rmp, 0, msg_size);
2338  rmp->_vl_msg_id =
2339  ntohs (VL_API_MACIP_ACL_INTERFACE_GET_REPLY + am->msg_id_base);
2340  rmp->context = mp->context;
2341  rmp->count = htonl (count);
2342  for (i = 0; i < count; i++)
2343  {
2344  rmp->acls[i] = htonl (am->macip_acl_by_sw_if_index[i]);
2345  }
2346 
2347  vl_api_send_msg (reg, (u8 *) rmp);
2348 }
2349 
2350 static void
2352  vl_api_registration_t * reg,
2353  u32 sw_if_index,
2355 {
2357  /* at this time there is only ever 1 mac ip acl per interface */
2358  int msg_size = sizeof (*rmp) + sizeof (rmp->acls[0]);
2359 
2360  rmp = vl_msg_api_alloc (msg_size);
2361  clib_memset (rmp, 0, msg_size);
2362  rmp->_vl_msg_id =
2363  ntohs (VL_API_MACIP_ACL_INTERFACE_LIST_DETAILS + am->msg_id_base);
2364 
2365  /* fill in the message */
2366  rmp->context = context;
2367  rmp->count = 1;
2368  rmp->sw_if_index = htonl (sw_if_index);
2369  rmp->acls[0] = htonl (acl_index);
2370 
2371  vl_api_send_msg (reg, (u8 *) rmp);
2372 }
2373 
2374 static void
2377 {
2378  vl_api_registration_t *reg;
2379  acl_main_t *am = &acl_main;
2380  u32 sw_if_index = ntohl (mp->sw_if_index);
2381 
2383  if (!reg)
2384  return;
2385 
2386  if (sw_if_index == ~0)
2387  {
2388  vec_foreach_index (sw_if_index, am->macip_acl_by_sw_if_index)
2389  {
2390  if (~0 != am->macip_acl_by_sw_if_index[sw_if_index])
2391  {
2392  send_macip_acl_interface_list_details (am, reg, sw_if_index,
2394  [sw_if_index],
2395  mp->context);
2396  }
2397  }
2398  }
2399  else
2400  {
2401  if (vec_len (am->macip_acl_by_sw_if_index) > sw_if_index)
2402  {
2403  send_macip_acl_interface_list_details (am, reg, sw_if_index,
2405  [sw_if_index], mp->context);
2406  }
2407  }
2408 }
2409 
2410 static void
2413 {
2414  acl_main_t *am = &acl_main;
2415  vl_api_acl_interface_set_etype_whitelist_reply_t *rmp;
2416  int rv = 0;
2417  int i;
2419  u32 sw_if_index = ntohl (mp->sw_if_index);
2420  u16 *vec_in = 0, *vec_out = 0;
2421  void *oldheap = acl_set_heap (am);
2422 
2423  if (pool_is_free_index (im->sw_interfaces, sw_if_index))
2424  rv = VNET_API_ERROR_INVALID_SW_IF_INDEX;
2425  else
2426  {
2427  for (i = 0; i < mp->count; i++)
2428  {
2429  if (i < mp->n_input)
2430  vec_add1 (vec_in, ntohs (mp->whitelist[i]));
2431  else
2432  vec_add1 (vec_out, ntohs (mp->whitelist[i]));
2433  }
2434  rv = acl_set_etype_whitelists (am, sw_if_index, vec_in, vec_out);
2435  }
2436 
2437  clib_mem_set_heap (oldheap);
2438  REPLY_MACRO (VL_API_ACL_INTERFACE_SET_ETYPE_WHITELIST_REPLY);
2439 }
2440 
2441 static void
2443  vl_api_registration_t * reg,
2445 {
2447  int msg_size;
2448  int n_input = 0;
2449  int n_output = 0;
2450  int count = 0;
2451  int i = 0;
2452 
2453  u16 *whitelist_in = 0;
2454  u16 *whitelist_out = 0;
2455 
2456  if (intf_has_etype_whitelist (am, sw_if_index, 0))
2457  whitelist_out =
2459 
2460  if (intf_has_etype_whitelist (am, sw_if_index, 1))
2461  whitelist_in =
2462  vec_elt (am->input_etype_whitelist_by_sw_if_index, sw_if_index);
2463 
2464  if ((0 == whitelist_in) && (0 == whitelist_out))
2465  return; /* nothing to do */
2466 
2467  void *oldheap = acl_set_heap (am);
2468 
2469  n_input = vec_len (whitelist_in);
2470  n_output = vec_len (whitelist_out);
2471  count = n_input + n_output;
2472 
2473  msg_size = sizeof (*mp);
2474  msg_size += sizeof (mp->whitelist[0]) * count;
2475 
2476  mp = vl_msg_api_alloc (msg_size);
2477  clib_memset (mp, 0, msg_size);
2478  mp->_vl_msg_id =
2479  ntohs (VL_API_ACL_INTERFACE_ETYPE_WHITELIST_DETAILS + am->msg_id_base);
2480 
2481  /* fill in the message */
2482  mp->context = context;
2483  mp->sw_if_index = htonl (sw_if_index);
2484  mp->count = count;
2485  mp->n_input = n_input;
2486  for (i = 0; i < n_input; i++)
2487  {
2488  mp->whitelist[i] = htons (whitelist_in[i]);
2489  }
2490  for (i = 0; i < n_output; i++)
2491  {
2492  mp->whitelist[n_input + i] = htons (whitelist_out[i]);
2493  }
2494  clib_mem_set_heap (oldheap);
2495  vl_api_send_msg (reg, (u8 *) mp);
2496 }
2497 
2498 
2499 static void
2502 {
2503  acl_main_t *am = &acl_main;
2504  vnet_sw_interface_t *swif;
2506 
2507  u32 sw_if_index;
2508  vl_api_registration_t *reg;
2509 
2511  if (!reg)
2512  return;
2513 
2514  if (mp->sw_if_index == ~0)
2515  {
2516  /* *INDENT-OFF* */
2517  pool_foreach (swif, im->sw_interfaces,
2518  ({
2519  send_acl_interface_etype_whitelist_details(am, reg, swif->sw_if_index, mp->context);
2520  }));
2521  /* *INDENT-ON* */
2522  }
2523  else
2524  {
2525  sw_if_index = ntohl (mp->sw_if_index);
2526  if (!pool_is_free_index (im->sw_interfaces, sw_if_index))
2527  send_acl_interface_etype_whitelist_details (am, reg, sw_if_index,
2528  mp->context);
2529  }
2530 }
2531 
2532 
2533 
2534 /* Set up the API message handling tables */
2535 static clib_error_t *
2537 {
2538  acl_main_t *am = &acl_main;
2539 #define _(N,n) \
2540  vl_msg_api_set_handlers((VL_API_##N + am->msg_id_base), \
2541  #n, \
2542  vl_api_##n##_t_handler, \
2543  vl_noop_handler, \
2544  vl_api_##n##_t_endian, \
2545  vl_api_##n##_t_print, \
2546  sizeof(vl_api_##n##_t), 1);
2548 #undef _
2549 
2550  return 0;
2551 }
2552 
2553 #define vl_msg_name_crc_list
2554 #include <acl/acl_all_api_h.h>
2555 #undef vl_msg_name_crc_list
2556 
2557 static void
2559 {
2560 #define _(id,n,crc) \
2561  vl_msg_api_add_msg_name_crc (apim, #n "_" #crc, id + am->msg_id_base);
2562  foreach_vl_msg_name_crc_acl;
2563 #undef _
2564 }
2565 
2566 static void
2567 acl_set_timeout_sec (int timeout_type, u32 value)
2568 {
2569  acl_main_t *am = &acl_main;
2570  clib_time_t *ct = &am->vlib_main->clib_time;
2571 
2572  if (timeout_type < ACL_N_TIMEOUTS)
2573  {
2574  am->session_timeout_sec[timeout_type] = value;
2575  }
2576  else
2577  {
2578  clib_warning ("Unknown timeout type %d", timeout_type);
2579  return;
2580  }
2581  am->session_timeout[timeout_type] =
2582  (u64) (((f64) value) / ct->seconds_per_clock);
2583 }
2584 
2585 static void
2587 {
2588  acl_main_t *am = &acl_main;
2589  am->fa_conn_table_max_entries = value;
2590 }
2591 
2592 static int
2594 {
2595  acl_main_t *am = &acl_main;
2596 
2597  if ((eh < 256) && (value < 2))
2598  {
2600  clib_bitmap_set (am->fa_ipv6_known_eh_bitmap, eh, value);
2601  return 1;
2602  }
2603  else
2604  return 0;
2605 }
2606 
2607 
2608 static clib_error_t *
2610 {
2611  acl_main_t *am = &acl_main;
2612  if (0 == am->acl_mheap)
2613  {
2614  /* ACL heap is not initialized, so definitely nothing to do. */
2615  return 0;
2616  }
2617  if (0 == is_add)
2618  {
2619  int may_clear_sessions = 1;
2622  sw_if_index);
2623  /* also unapply any ACLs in case the users did not do so. */
2624  macip_acl_interface_del_acl (am, sw_if_index);
2625  acl_interface_reset_inout_acls (sw_if_index, 0, &may_clear_sessions);
2626  acl_interface_reset_inout_acls (sw_if_index, 1, &may_clear_sessions);
2627  }
2628  return 0;
2629 }
2630 
2632 
2633 
2634 
2635 static clib_error_t *
2637  unformat_input_t * input, vlib_cli_command_t * cmd)
2638 {
2639  clib_error_t *error = 0;
2640  u32 timeout = 0;
2641  u32 val = 0;
2642  u32 eh_val = 0;
2643  uword memory_size = 0;
2644  acl_main_t *am = &acl_main;
2645 
2646  if (unformat (input, "skip-ipv6-extension-header %u %u", &eh_val, &val))
2647  {
2648  if (!acl_set_skip_ipv6_eh (eh_val, val))
2649  {
2650  error = clib_error_return (0, "expecting eh=0..255, value=0..1");
2651  }
2652  goto done;
2653  }
2654  if (unformat (input, "use-hash-acl-matching %u", &val))
2655  {
2656  am->use_hash_acl_matching = (val != 0);
2657  goto done;
2658  }
2659  if (unformat (input, "l4-match-nonfirst-fragment %u", &val))
2660  {
2661  am->l4_match_nonfirst_fragment = (val != 0);
2662  goto done;
2663  }
2664  if (unformat (input, "reclassify-sessions %u", &val))
2665  {
2666  am->reclassify_sessions = (val != 0);
2667  goto done;
2668  }
2669  if (unformat (input, "event-trace"))
2670  {
2671  if (!unformat (input, "%u", &val))
2672  {
2673  error = clib_error_return (0,
2674  "expecting trace level, got `%U`",
2675  format_unformat_error, input);
2676  goto done;
2677  }
2678  else
2679  {
2680  am->trace_acl = val;
2681  goto done;
2682  }
2683  }
2684  if (unformat (input, "heap"))
2685  {
2686  if (unformat (input, "main"))
2687  {
2688  if (unformat (input, "validate %u", &val))
2690  else if (unformat (input, "trace %u", &val))
2692  goto done;
2693  }
2694  else if (unformat (input, "hash"))
2695  {
2696  if (unformat (input, "validate %u", &val))
2698  else if (unformat (input, "trace %u", &val))
2700  goto done;
2701  }
2702  goto done;
2703  }
2704  if (unformat (input, "session"))
2705  {
2706  if (unformat (input, "table"))
2707  {
2708  /* The commands here are for tuning/testing. No user-serviceable parts inside */
2709  if (unformat (input, "max-entries"))
2710  {
2711  if (!unformat (input, "%u", &val))
2712  {
2713  error = clib_error_return (0,
2714  "expecting maximum number of entries, got `%U`",
2715  format_unformat_error, input);
2716  goto done;
2717  }
2718  else
2719  {
2721  goto done;
2722  }
2723  }
2724  if (unformat (input, "hash-table-buckets"))
2725  {
2726  if (!unformat (input, "%u", &val))
2727  {
2728  error = clib_error_return (0,
2729  "expecting maximum number of hash table buckets, got `%U`",
2730  format_unformat_error, input);
2731  goto done;
2732  }
2733  else
2734  {
2736  goto done;
2737  }
2738  }
2739  if (unformat (input, "hash-table-memory"))
2740  {
2741  if (!unformat (input, "%U", unformat_memory_size, &memory_size))
2742  {
2743  error = clib_error_return (0,
2744  "expecting maximum amount of hash table memory, got `%U`",
2745  format_unformat_error, input);
2746  goto done;
2747  }
2748  else
2749  {
2751  goto done;
2752  }
2753  }
2754  if (unformat (input, "event-trace"))
2755  {
2756  if (!unformat (input, "%u", &val))
2757  {
2758  error = clib_error_return (0,
2759  "expecting trace level, got `%U`",
2760  format_unformat_error, input);
2761  goto done;
2762  }
2763  else
2764  {
2765  am->trace_sessions = val;
2766  goto done;
2767  }
2768  }
2769  goto done;
2770  }
2771  if (unformat (input, "timeout"))
2772  {
2773  if (unformat (input, "udp"))
2774  {
2775  if (unformat (input, "idle"))
2776  {
2777  if (!unformat (input, "%u", &timeout))
2778  {
2779  error = clib_error_return (0,
2780  "expecting timeout value in seconds, got `%U`",
2782  input);
2783  goto done;
2784  }
2785  else
2786  {
2788  goto done;
2789  }
2790  }
2791  }
2792  if (unformat (input, "tcp"))
2793  {
2794  if (unformat (input, "idle"))
2795  {
2796  if (!unformat (input, "%u", &timeout))
2797  {
2798  error = clib_error_return (0,
2799  "expecting timeout value in seconds, got `%U`",
2801  input);
2802  goto done;
2803  }
2804  else
2805  {
2807  goto done;
2808  }
2809  }
2810  if (unformat (input, "transient"))
2811  {
2812  if (!unformat (input, "%u", &timeout))
2813  {
2814  error = clib_error_return (0,
2815  "expecting timeout value in seconds, got `%U`",
2817  input);
2818  goto done;
2819  }
2820  else
2821  {
2823  timeout);
2824  goto done;
2825  }
2826  }
2827  }
2828  goto done;
2829  }
2830  }
2831 done:
2832  return error;
2833 }
2834 
2835 static u8 *
2836 my_format_mac_address (u8 * s, va_list * args)
2837 {
2838  u8 *a = va_arg (*args, u8 *);
2839  return format (s, "%02x:%02x:%02x:%02x:%02x:%02x",
2840  a[0], a[1], a[2], a[3], a[4], a[5]);
2841 }
2842 
2843 static inline u8 *
2844 my_macip_acl_rule_t_pretty_format (u8 * out, va_list * args)
2845 {
2846  macip_acl_rule_t *a = va_arg (*args, macip_acl_rule_t *);
2847 
2848  out = format (out, "%s action %d ip %U/%d mac %U mask %U",
2849  a->is_ipv6 ? "ipv6" : "ipv4", a->is_permit,
2852  a->src_prefixlen,
2855  return (out);
2856 }
2857 
2858 static void
2859 macip_acl_print (acl_main_t * am, u32 macip_acl_index)
2860 {
2861  vlib_main_t *vm = am->vlib_main;
2862  int i;
2863 
2864  /* Don't try to print someone else's memory */
2865  if (macip_acl_index >= vec_len (am->macip_acls))
2866  return;
2867 
2868  macip_acl_list_t *a = vec_elt_at_index (am->macip_acls, macip_acl_index);
2869  int free_pool_slot = pool_is_free_index (am->macip_acls, macip_acl_index);
2870 
2871  vlib_cli_output (vm,
2872  "MACIP acl_index: %d, count: %d (true len %d) tag {%s} is free pool slot: %d\n",
2873  macip_acl_index, a->count, vec_len (a->rules), a->tag,
2874  free_pool_slot);
2875  vlib_cli_output (vm,
2876  " ip4_table_index %d, ip6_table_index %d, l2_table_index %d\n",
2878  vlib_cli_output (vm,
2879  " out_ip4_table_index %d, out_ip6_table_index %d, out_l2_table_index %d\n",
2881  a->out_l2_table_index);
2882  for (i = 0; i < vec_len (a->rules); i++)
2883  vlib_cli_output (vm, " rule %d: %U\n", i,
2885  vec_elt_at_index (a->rules, i));
2886 
2887 }
2888 
2889 static clib_error_t *
2892  input, vlib_cli_command_t * cmd)
2893 {
2894  clib_error_t *error = 0;
2895  acl_main_t *am = &acl_main;
2896  int i;
2897  u32 acl_index = ~0;
2898 
2899  (void) unformat (input, "index %u", &acl_index);
2900 
2901  for (i = 0; i < vec_len (am->macip_acls); i++)
2902  {
2903  /* Don't attempt to show the ACLs that do not exist */
2904  if (pool_is_free_index (am->macip_acls, i))
2905  continue;
2906 
2907  if ((acl_index != ~0) && (acl_index != i))
2908  {
2909  continue;
2910  }
2911 
2912  macip_acl_print (am, i);
2913  if (i < vec_len (am->sw_if_index_vec_by_macip_acl))
2914  {
2915  vlib_cli_output (vm, " applied on sw_if_index(s): %U\n",
2916  format_vec32,
2918  "%d");
2919  }
2920  }
2921 
2922  return error;
2923 }
2924 
2925 static clib_error_t *
2928  input, vlib_cli_command_t * cmd)
2929 {
2930  clib_error_t *error = 0;
2931  acl_main_t *am = &acl_main;
2932  int i;
2933  for (i = 0; i < vec_len (am->macip_acl_by_sw_if_index); i++)
2934  {
2935  vlib_cli_output (vm, " sw_if_index %d: %d\n", i,
2937  }
2938  return error;
2939 }
2940 
2941 static void
2943 {
2944  u32 i;
2945  vlib_main_t *vm = am->vlib_main;
2946 
2947  for (i = 0; i < vec_len (am->acls); i++)
2948  {
2949  if (acl_is_not_defined (am, i))
2950  {
2951  /* don't attempt to show the ACLs that do not exist */
2952  continue;
2953  }
2954  if ((acl_index != ~0) && (acl_index != i))
2955  {
2956  continue;
2957  }
2958  acl_print_acl (vm, am, i);
2959 
2960  if (i < vec_len (am->input_sw_if_index_vec_by_acl))
2961  {
2962  vlib_cli_output (vm, " applied inbound on sw_if_index: %U\n",
2964  "%d");
2965  }
2966  if (i < vec_len (am->output_sw_if_index_vec_by_acl))
2967  {
2968  vlib_cli_output (vm, " applied outbound on sw_if_index: %U\n",
2970  "%d");
2971  }
2972  if (i < vec_len (am->lc_index_vec_by_acl))
2973  {
2974  vlib_cli_output (vm, " used in lookup context index: %U\n",
2975  format_vec32, am->lc_index_vec_by_acl[i], "%d");
2976  }
2977  }
2978 }
2979 
2980 static clib_error_t *
2982  unformat_input_t * input, vlib_cli_command_t * cmd)
2983 {
2984  clib_error_t *error = 0;
2985  acl_main_t *am = &acl_main;
2986 
2987  u32 acl_index = ~0;
2988  (void) unformat (input, "index %u", &acl_index);
2989 
2990  acl_plugin_show_acl (am, acl_index);
2991  return error;
2992 }
2993 
2994 static clib_error_t *
2996  unformat_input_t * input,
2997  vlib_cli_command_t * cmd)
2998 {
2999  clib_error_t *error = 0;
3000 
3001  u32 lc_index = ~0;
3002  (void) unformat (input, "index %u", &lc_index);
3003 
3004  acl_plugin_show_lookup_context (lc_index);
3005  return error;
3006 }
3007 
3008 static clib_error_t *
3010  unformat_input_t * input,
3011  vlib_cli_command_t * cmd)
3012 {
3013  clib_error_t *error = 0;
3014 
3015  u32 lc_index = ~0;
3016  (void) unformat (input, "index %u", &lc_index);
3017 
3018  acl_plugin_show_lookup_user (lc_index);
3019  return error;
3020 }
3021 
3022 
3023 static void
3025  int detail)
3026 {
3027  vlib_main_t *vm = am->vlib_main;
3028  u32 swi;
3029  u32 *pj;
3030  for (swi = 0; (swi < vec_len (am->input_acl_vec_by_sw_if_index)) ||
3031  (swi < vec_len (am->output_acl_vec_by_sw_if_index)); swi++)
3032  {
3033  /* if we need a particular interface, skip all the others */
3034  if ((sw_if_index != ~0) && (sw_if_index != swi))
3035  continue;
3036 
3037  vlib_cli_output (vm, "sw_if_index %d:\n", swi);
3039  vlib_cli_output (vm, " input policy epoch: %x\n",
3041  swi));
3043  vlib_cli_output (vm, " output policy epoch: %x\n",
3045  swi));
3046 
3047 
3048  if (intf_has_etype_whitelist (am, swi, 1))
3049  {
3050  vlib_cli_output (vm, " input etype whitelist: %U", format_vec16,
3052  "%04x");
3053  }
3054  if (intf_has_etype_whitelist (am, swi, 0))
3055  {
3056  vlib_cli_output (vm, " output etype whitelist: %U", format_vec16,
3058  "%04x");
3059  }
3060 
3061  if ((swi < vec_len (am->input_acl_vec_by_sw_if_index)) &&
3062  (vec_len (am->input_acl_vec_by_sw_if_index[swi]) > 0))
3063  {
3064  vlib_cli_output (vm, " input acl(s): %U", format_vec32,
3065  am->input_acl_vec_by_sw_if_index[swi], "%d");
3066  if (show_acl)
3067  {
3068  vlib_cli_output (vm, "\n");
3070  {
3071  acl_print_acl (vm, am, *pj);
3072  }
3073  vlib_cli_output (vm, "\n");
3074  }
3075  }
3076 
3077  if ((swi < vec_len (am->output_acl_vec_by_sw_if_index)) &&
3078  (vec_len (am->output_acl_vec_by_sw_if_index[swi]) > 0))
3079  {
3080  vlib_cli_output (vm, " output acl(s): %U", format_vec32,
3081  am->output_acl_vec_by_sw_if_index[swi], "%d");
3082  if (show_acl)
3083  {
3084  vlib_cli_output (vm, "\n");
3086  {
3087  acl_print_acl (vm, am, *pj);
3088  }
3089  vlib_cli_output (vm, "\n");
3090  }
3091  }
3092  if (detail && (swi < vec_len (am->input_lc_index_by_sw_if_index)))
3093  {
3094  vlib_cli_output (vm, " input lookup context index: %d",
3096  }
3097  if (detail && (swi < vec_len (am->output_lc_index_by_sw_if_index)))
3098  {
3099  vlib_cli_output (vm, " output lookup context index: %d",
3101  }
3102  }
3103 
3104 }
3105 
3106 
3107 static clib_error_t *
3109  unformat_input_t * input,
3110  vlib_cli_command_t * cmd)
3111 {
3112  clib_error_t *error = 0;
3113  u64 five_tuple[6] = { 0, 0, 0, 0, 0, 0 };
3114 
3115  if (unformat
3116  (input, "%llx %llx %llx %llx %llx %llx", &five_tuple[0], &five_tuple[1],
3117  &five_tuple[2], &five_tuple[3], &five_tuple[4], &five_tuple[5]))
3118  vlib_cli_output (vm, "5-tuple structure decode: %U\n\n",
3119  format_acl_plugin_5tuple, five_tuple);
3120  else
3121  error = clib_error_return (0, "expecting 6 hex integers");
3122  return error;
3123 }
3124 
3125 
3126 static clib_error_t *
3129  input, vlib_cli_command_t * cmd)
3130 {
3131  clib_error_t *error = 0;
3132  acl_main_t *am = &acl_main;
3133 
3134  u32 sw_if_index = ~0;
3135  (void) unformat (input, "sw_if_index %u", &sw_if_index);
3136  int show_acl = unformat (input, "acl");
3137  int detail = unformat (input, "detail");
3138 
3139  acl_plugin_show_interface (am, sw_if_index, show_acl, detail);
3140  return error;
3141 }
3142 
3143 static clib_error_t *
3145  unformat_input_t * input,
3146  vlib_cli_command_t * cmd)
3147 {
3148  clib_error_t *error = 0;
3149  acl_main_t *am = &acl_main;
3150 
3151  vlib_cli_output (vm, "ACL plugin main heap statistics:\n");
3152  if (am->acl_mheap)
3153  {
3154  vlib_cli_output (vm, " %U\n", format_mheap, am->acl_mheap, 1);
3155  }
3156  else
3157  {
3158  vlib_cli_output (vm, " Not initialized\n");
3159  }
3160  vlib_cli_output (vm, "ACL hash lookup support heap statistics:\n");
3161  if (am->hash_lookup_mheap)
3162  {
3163  vlib_cli_output (vm, " %U\n", format_mheap, am->hash_lookup_mheap, 1);
3164  }
3165  else
3166  {
3167  vlib_cli_output (vm, " Not initialized\n");
3168  }
3169  return error;
3170 }
3171 
3172 static void
3174  u32 show_session_thread_id,
3175  u32 show_session_session_index)
3176 {
3177  vlib_main_t *vm = am->vlib_main;
3178  u16 wk;
3180  vnet_sw_interface_t *swif;
3181  u64 now = clib_cpu_time_now ();
3182  u64 clocks_per_second = am->vlib_main->clib_time.clocks_per_second;
3183 
3184  {
3185  u64 n_adds = am->fa_session_total_adds;
3186  u64 n_dels = am->fa_session_total_dels;
3187  u64 n_deact = am->fa_session_total_deactivations;
3188  vlib_cli_output (vm, "Sessions total: add %lu - del %lu = %lu", n_adds,
3189  n_dels, n_adds - n_dels);
3190  vlib_cli_output (vm, "Sessions active: add %lu - deact %lu = %lu", n_adds,
3191  n_deact, n_adds - n_deact);
3192  vlib_cli_output (vm, "Sessions being purged: deact %lu - del %lu = %lu",
3193  n_deact, n_dels, n_deact - n_dels);
3194  }
3195  vlib_cli_output (vm, "now: %lu clocks per second: %lu", now,
3196  clocks_per_second);
3197  vlib_cli_output (vm, "\n\nPer-thread data:");
3198  for (wk = 0; wk < vec_len (am->per_worker_data); wk++)
3199  {
3201  vlib_cli_output (vm, "Thread #%d:", wk);
3202  if (show_session_thread_id == wk
3203  && show_session_session_index < pool_len (pw->fa_sessions_pool))
3204  {
3205  vlib_cli_output (vm, " session index %u:",
3206  show_session_session_index);
3207  fa_session_t *sess =
3208  pw->fa_sessions_pool + show_session_session_index;
3209  u64 *m = (u64 *) & sess->info;
3210  vlib_cli_output (vm,
3211  " info: %016llx %016llx %016llx %016llx %016llx %016llx",
3212  m[0], m[1], m[2], m[3], m[4], m[5]);
3213  vlib_cli_output (vm, " sw_if_index: %u", sess->sw_if_index);
3214  vlib_cli_output (vm, " tcp_flags_seen: %x",
3215  sess->tcp_flags_seen.as_u16);
3216  vlib_cli_output (vm, " last active time: %lu",
3217  sess->last_active_time);
3218  vlib_cli_output (vm, " thread index: %u", sess->thread_index);
3219  vlib_cli_output (vm, " link enqueue time: %lu",
3220  sess->link_enqueue_time);
3221  vlib_cli_output (vm, " link next index: %u",
3222  sess->link_next_idx);
3223  vlib_cli_output (vm, " link prev index: %u",
3224  sess->link_prev_idx);
3225  vlib_cli_output (vm, " link list id: %u", sess->link_list_id);
3226  }
3227  vlib_cli_output (vm, " connection add/del stats:", wk);
3228  pool_foreach (swif, im->sw_interfaces, (
3229  {
3230  u32 sw_if_index =
3231  swif->sw_if_index;
3232  u64 n_adds =
3233  sw_if_index <
3234  vec_len
3235  (pw->fa_session_adds_by_sw_if_index)
3236  ?
3237  pw->fa_session_adds_by_sw_if_index
3238  [sw_if_index] : 0;
3239  u64 n_dels =
3240  sw_if_index <
3241  vec_len
3242  (pw->fa_session_dels_by_sw_if_index)
3243  ?
3244  pw->fa_session_dels_by_sw_if_index
3245  [sw_if_index] : 0;
3246  u64 n_epoch_changes =
3247  sw_if_index <
3248  vec_len
3249  (pw->fa_session_epoch_change_by_sw_if_index)
3250  ?
3251  pw->fa_session_epoch_change_by_sw_if_index
3252  [sw_if_index] : 0;
3253  vlib_cli_output (vm,
3254  " sw_if_index %d: add %lu - del %lu = %lu; epoch chg: %lu",
3255  sw_if_index,
3256  n_adds,
3257  n_dels,
3258  n_adds -
3259  n_dels,
3260  n_epoch_changes);
3261  }
3262  ));
3263 
3264  vlib_cli_output (vm, " connection timeout type lists:", wk);
3265  u8 tt = 0;
3266  for (tt = 0; tt < ACL_N_TIMEOUTS; tt++)
3267  {
3268  u32 head_session_index = pw->fa_conn_list_head[tt];
3269  vlib_cli_output (vm, " fa_conn_list_head[%d]: %d", tt,
3270  head_session_index);
3271  if (~0 != head_session_index)
3272  {
3273  fa_session_t *sess = pw->fa_sessions_pool + head_session_index;
3274  vlib_cli_output (vm, " last active time: %lu",
3275  sess->last_active_time);
3276  vlib_cli_output (vm, " link enqueue time: %lu",
3277  sess->link_enqueue_time);
3278  }
3279  }
3280 
3281  vlib_cli_output (vm, " Next expiry time: %lu", pw->next_expiry_time);
3282  vlib_cli_output (vm, " Requeue until time: %lu",
3283  pw->requeue_until_time);
3284  vlib_cli_output (vm, " Current time wait interval: %lu",
3286  vlib_cli_output (vm, " Count of deleted sessions: %lu",
3287  pw->cnt_deleted_sessions);
3288  vlib_cli_output (vm, " Delete already deleted: %lu",
3290  vlib_cli_output (vm, " Session timers restarted: %lu",
3292  vlib_cli_output (vm, " Swipe until this time: %lu",
3293  pw->swipe_end_time);
3294  vlib_cli_output (vm, " sw_if_index serviced bitmap: %U",
3295  format_bitmap_hex, pw->serviced_sw_if_index_bitmap);
3296  vlib_cli_output (vm, " pending clear intfc bitmap : %U",
3297  format_bitmap_hex,
3299  vlib_cli_output (vm, " clear in progress: %u", pw->clear_in_process);
3300  vlib_cli_output (vm, " interrupt is pending: %d",
3301  pw->interrupt_is_pending);
3302  vlib_cli_output (vm, " interrupt is needed: %d",
3303  pw->interrupt_is_needed);
3304  vlib_cli_output (vm, " interrupt is unwanted: %d",
3305  pw->interrupt_is_unwanted);
3306  vlib_cli_output (vm, " interrupt generation: %d",
3307  pw->interrupt_generation);
3308  vlib_cli_output (vm, " received session change requests: %d",
3310  vlib_cli_output (vm, " sent session change requests: %d",
3312  }
3313  vlib_cli_output (vm, "\n\nConn cleaner thread counters:");
3314 #define _(cnt, desc) vlib_cli_output(vm, " %20lu: %s", am->cnt, desc);
3316 #undef _
3317  vlib_cli_output (vm, "Interrupt generation: %d",
3319  vlib_cli_output (vm,
3320  "Sessions per interval: min %lu max %lu increment: %f ms current: %f ms",
3323  am->fa_cleaner_wait_time_increment * 1000.0,
3325  1000.0 / (f64) vm->clib_time.clocks_per_second);
3326  vlib_cli_output (vm, "Reclassify sessions: %d", am->reclassify_sessions);
3327 }
3328 
3329 static clib_error_t *
3331  unformat_input_t * input,
3332  vlib_cli_command_t * cmd)
3333 {
3334  clib_error_t *error = 0;
3335  acl_main_t *am = &acl_main;
3336 
3337  u32 show_bihash_verbose = 0;
3338  u32 show_session_thread_id = ~0;
3339  u32 show_session_session_index = ~0;
3340  (void) unformat (input, "thread %u index %u", &show_session_thread_id,
3341  &show_session_session_index);
3342  (void) unformat (input, "verbose %u", &show_bihash_verbose);
3343 
3344  acl_plugin_show_sessions (am, show_session_thread_id,
3345  show_session_session_index);
3346  show_fa_sessions_hash (vm, show_bihash_verbose);
3347  return error;
3348 }
3349 
3350 static clib_error_t *
3352  unformat_input_t * input,
3353  vlib_cli_command_t * cmd)
3354 {
3355  clib_error_t *error = 0;
3356 
3357  u32 acl_index = ~0;
3358  u32 lc_index = ~0;
3359  int show_acl_hash_info = 0;
3360  int show_applied_info = 0;
3361  int show_mask_type = 0;
3362  int show_bihash = 0;
3363  u32 show_bihash_verbose = 0;
3364 
3365  if (unformat (input, "acl"))
3366  {
3367  show_acl_hash_info = 1;
3368  /* mask-type is handy to see as well right there */
3369  show_mask_type = 1;
3370  unformat (input, "index %u", &acl_index);
3371  }
3372  else if (unformat (input, "applied"))
3373  {
3374  show_applied_info = 1;
3375  unformat (input, "lc_index %u", &lc_index);
3376  }
3377  else if (unformat (input, "mask"))
3378  {
3379  show_mask_type = 1;
3380  }
3381  else if (unformat (input, "hash"))
3382  {
3383  show_bihash = 1;
3384  unformat (input, "verbose %u", &show_bihash_verbose);
3385  }
3386 
3387  if (!
3388  (show_mask_type || show_acl_hash_info || show_applied_info
3389  || show_bihash))
3390  {
3391  /* if no qualifiers specified, show all */
3392  show_mask_type = 1;
3393  show_acl_hash_info = 1;
3394  show_applied_info = 1;
3395  show_bihash = 1;
3396  }
3397  if (show_mask_type)
3399  if (show_acl_hash_info)
3401  if (show_applied_info)
3403  if (show_bihash)
3404  acl_plugin_show_tables_bihash (show_bihash_verbose);
3405 
3406  return error;
3407 }
3408 
3409 static clib_error_t *
3411  unformat_input_t * input, vlib_cli_command_t * cmd)
3412 {
3413  clib_error_t *error = 0;
3414  acl_main_t *am = &acl_main;
3417  return error;
3418 }
3419 
3420  /* *INDENT-OFF* */
3421 VLIB_CLI_COMMAND (aclplugin_set_command, static) = {
3422  .path = "set acl-plugin",
3423  .short_help = "set acl-plugin session timeout {{udp idle}|tcp {idle|transient}} <seconds>",
3424  .function = acl_set_aclplugin_fn,
3425 };
3426 
3427 VLIB_CLI_COMMAND (aclplugin_show_acl_command, static) = {
3428  .path = "show acl-plugin acl",
3429  .short_help = "show acl-plugin acl [index N]",
3430  .function = acl_show_aclplugin_acl_fn,
3431 };
3432 
3433 VLIB_CLI_COMMAND (aclplugin_show_lookup_context_command, static) = {
3434  .path = "show acl-plugin lookup context",
3435  .short_help = "show acl-plugin lookup context [index N]",
3437 };
3438 
3439 VLIB_CLI_COMMAND (aclplugin_show_lookup_user_command, static) = {
3440  .path = "show acl-plugin lookup user",
3441  .short_help = "show acl-plugin lookup user [index N]",
3443 };
3444 
3445 VLIB_CLI_COMMAND (aclplugin_show_decode_5tuple_command, static) = {
3446  .path = "show acl-plugin decode 5tuple",
3447  .short_help = "show acl-plugin decode 5tuple XXXX XXXX XXXX XXXX XXXX XXXX",
3449 };
3450 
3451 VLIB_CLI_COMMAND (aclplugin_show_interface_command, static) = {
3452  .path = "show acl-plugin interface",
3453  .short_help = "show acl-plugin interface [sw_if_index N] [acl]",
3454  .function = acl_show_aclplugin_interface_fn,
3455 };
3456 
3457 VLIB_CLI_COMMAND (aclplugin_show_memory_command, static) = {
3458  .path = "show acl-plugin memory",
3459  .short_help = "show acl-plugin memory",
3460  .function = acl_show_aclplugin_memory_fn,
3461 };
3462 
3463 VLIB_CLI_COMMAND (aclplugin_show_sessions_command, static) = {
3464  .path = "show acl-plugin sessions",
3465  .short_help = "show acl-plugin sessions",
3466  .function = acl_show_aclplugin_sessions_fn,
3467 };
3468 
3469 VLIB_CLI_COMMAND (aclplugin_show_tables_command, static) = {
3470  .path = "show acl-plugin tables",
3471  .short_help = "show acl-plugin tables [ acl [index N] | applied [ lc_index N ] | mask | hash [verbose N] ]",
3472  .function = acl_show_aclplugin_tables_fn,
3473 };
3474 
3475 VLIB_CLI_COMMAND (aclplugin_show_macip_acl_command, static) = {
3476  .path = "show acl-plugin macip acl",
3477  .short_help = "show acl-plugin macip acl [index N]",
3478  .function = acl_show_aclplugin_macip_acl_fn,
3479 };
3480 
3481 VLIB_CLI_COMMAND (aclplugin_show_macip_interface_command, static) = {
3482  .path = "show acl-plugin macip interface",
3483  .short_help = "show acl-plugin macip interface",
3485 };
3486 
3487 VLIB_CLI_COMMAND (aclplugin_clear_command, static) = {
3488  .path = "clear acl-plugin sessions",
3489  .short_help = "clear acl-plugin sessions",
3490  .function = acl_clear_aclplugin_fn,
3491 };
3492 /* *INDENT-ON* */
3493 
3494 static clib_error_t *
3496 {
3497  acl_main_t *am = &acl_main;
3498  u32 conn_table_hash_buckets;
3499  uword conn_table_hash_memory_size;
3500  u32 conn_table_max_entries;
3501  uword main_heap_size;
3502  uword hash_heap_size;
3503  u32 hash_lookup_hash_buckets;
3504  uword hash_lookup_hash_memory;
3505  u32 reclassify_sessions;
3506  u32 use_tuple_merge;
3507  u32 tuple_merge_split_threshold;
3508 
3509  while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
3510  {
3511  if (unformat
3512  (input, "connection hash buckets %d", &conn_table_hash_buckets))
3513  am->fa_conn_table_hash_num_buckets = conn_table_hash_buckets;
3514  else
3515  if (unformat
3516  (input, "connection hash memory %U", unformat_memory_size,
3517  &conn_table_hash_memory_size))
3518  am->fa_conn_table_hash_memory_size = conn_table_hash_memory_size;
3519  else if (unformat (input, "connection count max %d",
3520  &conn_table_max_entries))
3521  am->fa_conn_table_max_entries = conn_table_max_entries;
3522  else
3523  if (unformat
3524  (input, "main heap size %U", unformat_memory_size,
3525  &main_heap_size))
3526  am->acl_mheap_size = main_heap_size;
3527  else
3528  if (unformat
3529  (input, "hash lookup heap size %U", unformat_memory_size,
3530  &hash_heap_size))
3531  am->hash_lookup_mheap_size = hash_heap_size;
3532  else if (unformat (input, "hash lookup hash buckets %d",
3533  &hash_lookup_hash_buckets))
3534  am->hash_lookup_hash_buckets = hash_lookup_hash_buckets;
3535  else
3536  if (unformat
3537  (input, "hash lookup hash memory %U", unformat_memory_size,
3538  &hash_lookup_hash_memory))
3539  am->hash_lookup_hash_memory = hash_lookup_hash_memory;
3540  else if (unformat (input, "use tuple merge %d", &use_tuple_merge))
3541  am->use_tuple_merge = use_tuple_merge;
3542  else
3543  if (unformat
3544  (input, "tuple merge split threshold %d",
3545  &tuple_merge_split_threshold))
3546  am->tuple_merge_split_threshold = tuple_merge_split_threshold;
3547 
3548  else if (unformat (input, "reclassify sessions %d",
3549  &reclassify_sessions))
3550  am->reclassify_sessions = reclassify_sessions;
3551 
3552  else
3553  return clib_error_return (0, "unknown input '%U'",
3554  format_unformat_error, input);
3555  }
3556  return 0;
3557 }
3558 
3559 VLIB_CONFIG_FUNCTION (acl_plugin_config, "acl-plugin");
3560 
3561 static clib_error_t *
3563 {
3564  acl_main_t *am = &acl_main;
3565  clib_error_t *error = 0;
3566  clib_memset (am, 0, sizeof (*am));
3567  am->vlib_main = vm;
3568  am->vnet_main = vnet_get_main ();
3569  am->log_default = vlib_log_register_class ("acl_plugin", 0);
3570 
3571  u8 *name = format (0, "acl_%08x%c", api_version, 0);
3572 
3573  /* Ask for a correctly-sized block of API message decode slots */
3574  am->msg_id_base = vl_msg_api_get_msg_ids ((char *) name,
3576 
3577  error = acl_plugin_api_hookup (vm);
3578 
3579  /* Add our API messages to the global name_crc hash table */
3581 
3582  vec_free (name);
3583 
3584  if (error)
3585  return error;
3586 
3587  error = acl_plugin_exports_init (&acl_plugin);
3588 
3589  if (error)
3590  return error;
3591 
3592  am->acl_mheap_size = 0; /* auto size when initializing */
3594 
3597 
3604 
3610  am->reclassify_sessions = 0;
3612 
3619 
3620  vec_validate (am->per_worker_data, tm->n_vlib_mains - 1);
3621  {
3622  u16 wk;
3623  for (wk = 0; wk < vec_len (am->per_worker_data); wk++)
3624  {
3626  if (tm->n_vlib_mains > 1)
3627  {
3629  }
3630  vec_validate (pw->expired,
3631  ACL_N_TIMEOUTS *
3633  _vec_len (pw->expired) = 0;
3639  ACL_N_TIMEOUTS - 1, ~0ULL);
3640  }
3641  }
3642 
3643  am->fa_cleaner_cnt_delete_by_sw_index = 0;
3644  am->fa_cleaner_cnt_delete_by_sw_index_ok = 0;
3645  am->fa_cleaner_cnt_unknown_event = 0;
3646  am->fa_cleaner_cnt_timer_restarted = 0;
3647  am->fa_cleaner_cnt_wait_with_timeout = 0;
3648 
3649 
3650 #define _(N, v, s) am->fa_ipv6_known_eh_bitmap = clib_bitmap_set(am->fa_ipv6_known_eh_bitmap, v, 1);
3652 #undef _
3654 
3655  /* use the new fancy hash-based matching */
3656  am->use_hash_acl_matching = 1;
3657  /* use tuplemerge by default */
3658  am->use_tuple_merge = 1;
3659  /* Set the default threshold */
3661 
3662  am->interface_acl_user_id = ~0; /* defer till the first use */
3663 
3664  return error;
3665 }
3666 
3668 
3669 
3670 /*
3671  * fd.io coding-style-patch-verification: ON
3672  *
3673  * Local Variables:
3674  * eval: (c-set-style "gnu")
3675  * End:
3676  */
vlib_log_class_t vlib_log_register_class(char *class, char *subclass)
Definition: log.c:227
acl_rule_t * rules
Definition: acl.h:94
#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:183
u32 sw_if_index
Definition: ipsec_gre.api:37
u8 * format_vec16(u8 *s, va_list *va)
Definition: acl.c:104
u32 acl_index
Definition: gbp.api:304
macip_acl_rule_t * rules
Definition: acl.h:103
static int macip_acl_interface_add_acl(acl_main_t *am, u32 sw_if_index, u32 macip_acl_index)
Definition: acl.c:1744
u8 src_mac[6]
Definition: acl.h:80
u32 fa_cleaner_node_index
Definition: acl.h:244
u32 session_timeout_sec[ACL_N_TIMEOUTS]
Definition: acl.h:246
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:1812
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:303
static clib_error_t * acl_clear_aclplugin_fn(vlib_main_t *vm, unformat_input_t *input, vlib_cli_command_t *cmd)
Definition: acl.c:3410
static int acl_set_skip_ipv6_eh(u32 eh, u32 value)
Definition: acl.c:2593
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:3009
static int verify_message_len(void *mp, u32 expected_len, char *where)
Definition: acl.c:1845
#define UDP_SESSION_IDLE_TIMEOUT_SEC
Definition: acl.h:39
static clib_error_t * acl_init(vlib_main_t *vm)
Definition: acl.c:3562
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:1224
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:286
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:168
u16 msg_id_base
Definition: acl.h:133
void acl_plugin_hash_acl_set_trace_heap(int on)
Definition: hash_lookup.c:635
void acl_plugin_show_tables_applied_info(u32 lc_index)
Definition: hash_lookup.c:1302
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:111
static int count_skip(u8 *p, u32 size)
Definition: acl.c:519
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:1862
static void vl_api_macip_acl_dump_t_handler(vl_api_macip_acl_dump_t *mp)
Definition: acl.c:2287
#define clib_error(format, args...)
Definition: error.h:62
unsigned long u64
Definition: types.h:89
int l4_match_nonfirst_fragment
Definition: acl.h:257
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:3495
#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:2151
static void vl_api_acl_interface_etype_whitelist_dump_t_handler(vl_api_acl_interface_list_dump_t *mp)
Definition: acl.c:2501
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
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:522
static u64 clib_cpu_time_now(void)
Definition: time.h:75
u32 l2_table_index
Definition: acl.h:107
static void acl_clear_sessions(acl_main_t *am, u32 sw_if_index)
Definition: acl.c:572
static int get_l3_dst_offset(int is6)
Definition: acl.c:1019
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:294
fa_session_t * fa_sessions_pool
Definition: fa_node.h:170
u32 * output_policy_epoch_by_sw_if_index
Definition: acl.h:184
u32 out_dot1q_table_index
Definition: acl.c:950
u8 * format(u8 *s, const char *fmt,...)
Definition: format.c:424
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:72
u32 dot1ad_table_index
Definition: acl.c:944
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:957
u32 table_index
Definition: acl.c:941
#define vec_reset_length(v)
Reset vector length to zero NULL-pointer tolerant.
vlib_log_class_t log_default
Definition: acl.h:316
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:284
u32 arp_dot1q_table_index
Definition: acl.c:945
#define clib_bitmap_validate(v, n_bits)
Definition: bitmap.h:115
u32 interface_acl_user_id
Definition: acl.h:163
u32 ** lc_index_vec_by_acl
Definition: acl.h:180
uword fa_conn_table_hash_memory_size
Definition: acl.h:261
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:583
static clib_error_t * acl_sw_interface_add_del(vnet_main_t *vnm, u32 sw_if_index, u32 is_add)
Definition: acl.c:2609
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:493
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:675
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:2981
u16 dstport_or_icmpcode_first
Definition: acl.api:133
u64 fa_conn_table_max_entries
Definition: acl.h:262
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:475
vnet_main_t * vnet_main
Definition: acl.h:314
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:338
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:3127
#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:176
static void acl_print_acl(vlib_main_t *vm, acl_main_t *am, int acl_index)
Definition: acl.c:326
u8 mac_mask[6]
Definition: acl.c:938
u32 out_arp_dot1q_table_index
Definition: acl.c:952
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:940
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:3108
u32 ip4_table_index
Definition: acl.h:105
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:2844
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:3144
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:514
static void acl_plugin_show_interface(acl_main_t *am, u32 sw_if_index, int show_acl, int detail)
Definition: acl.c:3024
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:2586
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:2558
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:283
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:332
static void vl_api_acl_dump_t_handler(vl_api_acl_dump_t *mp)
Definition: acl.c:2030
struct _unformat_input_t unformat_input_t
unsigned short u16
Definition: types.h:57
uword * fa_ipv6_known_eh_bitmap
Definition: acl.h:254
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:280
#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:161
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:3351
#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:804
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:1998
vl_api_address_union_t src_address
Definition: ip_types.api:44
static int get_l3_src_offset(int is6)
Definition: acl.c:1008
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:1590
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:2442
void acl_plugin_hash_acl_set_validate_heap(int on)
Definition: hash_lookup.c:617
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:2836
u64 * fa_conn_list_head_expiry_time
Definition: fa_node.h:181
u32 out_arp_dot1ad_table_index
Definition: acl.c:953
#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:281
static int match_type_compare(macip_match_type_t *m1, macip_match_type_t *m2)
Definition: acl.c:1000
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:1352
#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:2412
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:979
static int macip_acl_del_list(u32 acl_list_index)
Definition: acl.c:1776
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:534
vlib_main_t * vm
Definition: buffer.c:312
static void acl_plugin_show_acl(acl_main_t *am, u32 acl_index)
Definition: acl.c:2942
static uword * clib_bitmap_dup_xor(uword *ai, uword *bi)
Logical operator across two bitmaps which duplicates the first bitmap.
u64 fa_session_total_adds
Definition: acl.h:248
#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:120
u32 dot1q_table_index
Definition: acl.c:943
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
u32 context
Definition: ipsec_gre.api:33
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:195
#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:144
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:299
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:623
int tuple_merge_split_threshold
Definition: acl.h:202
u8 is_ipv6
Definition: acl.h:79
u32 out_arp_table_index
Definition: acl.c:949
#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:308
u16 srcport_or_icmptype_last
Definition: acl.api:132
int trace_acl
Definition: acl.h:265
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:2890
#define ACL_PLUGIN_HASH_LOOKUP_HASH_BUCKETS
Definition: acl.h:46
u32 hash_lookup_hash_buckets
Definition: acl.h:143
static void vl_api_acl_interface_add_del_t_handler(vl_api_acl_interface_add_del_t *mp)
Definition: acl.c:1901
#define ASSERT(truth)
static int macip_acl_interface_del_acl(acl_main_t *am, u32 sw_if_index)
Definition: acl.c:1707
int trace_sessions
Definition: acl.h:264
u32 out_ip6_table_index
Definition: acl.h:110
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:2205
u8 is_add
Definition: ipsec_gre.api:36
static int acl_interface_inout_enable_disable(acl_main_t *am, u32 sw_if_index, int is_input, int enable_disable)
Definition: acl.c:665
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:1042
static void acl_set_timeout_sec(int timeout_type, u32 value)
Definition: acl.c:2567
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:177
void acl_plugin_show_lookup_context(u32 lc_index)
u32 ** sw_if_index_vec_by_macip_acl
Definition: acl.h:234
#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:1036
#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:2178
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:2536
static int macip_acl_add_list(u32 count, vl_api_macip_acl_rule_t rules[], u32 *acl_list_index, u8 *tag)
Definition: acl.c:1617
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:130
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:2859
union fa_session_t::@402 tcp_flags_seen
u32 * macip_acl_by_sw_if_index
Definition: acl.h:231
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:2117
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:824
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:378
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:897
u32 out_table_index
Definition: acl.c:948
u32 arp_dot1ad_table_index
Definition: acl.c:946
static void vl_api_acl_del_t_handler(vl_api_acl_del_t *mp)
Definition: acl.c:1889
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:2237
macip_acl_list_t * macip_acls
Definition: acl.h:165
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:3330
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:2351
uword hash_lookup_mheap_size
Definition: acl.h:148
#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:106
static void vl_api_macip_acl_interface_list_dump_t_handler(vl_api_macip_acl_interface_list_dump_t *mp)
Definition: acl.c:2376
u8 tcp_flags_mask
Definition: types.h:35
acl_fa_per_worker_data_t * per_worker_data
Definition: acl.h:291
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:980
vnet_sw_interface_t * sw_interfaces
Definition: interface.h:815
int fa_interrupt_generation
Definition: acl.h:288
u32 ** input_sw_if_index_vec_by_acl
Definition: acl.h:172
int use_tuple_merge
Definition: acl.h:198
u16 ** output_etype_whitelist_by_sw_if_index
Definition: acl.h:228
static void vl_api_acl_interface_set_acl_list_t_handler(vl_api_acl_interface_set_acl_list_t *mp)
Definition: acl.c:1921
u64 fa_max_deleted_sessions_per_interval
Definition: acl.h:273
void * acl_mheap
Definition: acl.h:129
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:2636
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:353
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:835
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:369
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:3173
static void copy_acl_rule_to_api_rule(vl_api_acl_rule_t *api_rule, acl_rule_t *r)
Definition: acl.c:1972
u16 ** input_etype_whitelist_by_sw_if_index
Definition: acl.h:227
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:147
u64 fa_session_total_deactivations
Definition: acl.h:251
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:187
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:160
u32 vl_msg_api_get_msg_length(void *msg_arg)
Definition: api_shared.c:642
Definition: acl.h:89
u32 out_ip4_table_index
Definition: acl.h:109
u32 client_index
Definition: acl.api:274
u32 ** output_sw_if_index_vec_by_acl
Definition: acl.h:173
#define ACL_PLUGIN_VERSION_MAJOR
Definition: acl.h:36
u8 tag[64]
Definition: acl.h:101
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:2926
#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:486
#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:562
void acl_plugin_show_tables_acl_hash_info(u32 acl_index)
Definition: hash_lookup.c:1243
#define TM_SPLIT_THRESHOLD
Definition: acl.h:201
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:681
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:272
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:140
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:169
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:2995
u32 out_dot1ad_table_index
Definition: acl.c:951
#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:2218
u32 arp_table_index
Definition: acl.c:942
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:260
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:249
static int acl_del_list(u32 acl_list_index)
Definition: acl.c:489
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:2070
static void macip_destroy_classify_tables(acl_main_t *am, u32 macip_acl_index)
Definition: acl.c:1546
u16 vl_msg_api_get_msg_ids(const char *name, int n)
Definition: api_shared.c:880
static void vl_api_macip_acl_interface_get_t_handler(vl_api_macip_acl_interface_get_t *mp)
Definition: acl.c:2322
foreach_fa_cleaner_counter vlib_main_t * vlib_main
Definition: acl.h:313