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:
7 * http://www.apache.org/licenses/LICENSE-2.0
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.
18 #include <vnet/vnet.h>
19 #include <vnet/plugin/plugin.h>
22 #include <vnet/l2/l2_classify.h>
23 #include <vnet/l2/l2_in_out_feat_arc.h>
24 #include <vnet/classify/in_out_acl.h>
25 #include <vpp/app/version.h>
27 #include <vlibapi/api.h>
28 #include <vlibmemory/api.h>
30 /* define message IDs */
31 #include <acl/acl_msg_enum.h>
33 /* define message structures */
35 #include <acl/acl_all_api_h.h>
38 /* define generated endian-swappers */
40 #include <acl/acl_all_api_h.h>
43 /* instantiate all the print functions we know about */
44 #define vl_print(handle, ...) vlib_cli_output (handle, __VA_ARGS__)
46 #include <acl/acl_all_api_h.h>
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>
55 #include "public_inlines.h"
59 #define REPLY_MSG_ID_BASE am->msg_id_base
60 #include <vlibapi/api_helper_macros.h>
63 * The code for the bihash, used by the session management.
65 #include <vppinfra/bihash_40_8.h>
66 #include <vppinfra/bihash_template.h>
67 #include <vppinfra/bihash_template.c>
69 /* List of message types that this plugin understands */
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) \
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 _(ACL_STATS_INTF_COUNTERS_ENABLE, acl_stats_intf_counters_enable)
94 VLIB_PLUGIN_REGISTER () = {
95 .version = VPP_BUILD_VER,
96 .description = "Access Control Lists (ACL)",
100 /* methods exported from ACL-as-a-service */
101 static acl_plugin_methods_t acl_plugin;
105 format_vec16 (u8 * s, va_list * va)
107 u16 *v = va_arg (*va, u16 *);
108 char *fmt = va_arg (*va, char *);
110 for (i = 0; i < vec_len (v); i++)
113 s = format (s, ", ");
114 s = format (s, fmt, v[i]);
120 acl_set_heap (acl_main_t * am)
122 if (0 == am->acl_mheap)
124 if (0 == am->acl_mheap_size)
126 vlib_thread_main_t *tm = vlib_get_thread_main ();
127 u64 per_worker_slack = 1000000LL;
128 u64 per_worker_size =
130 ((u64) am->fa_conn_table_max_entries) * sizeof (fa_session_t);
131 u64 per_worker_size_with_slack = per_worker_slack + per_worker_size;
132 u64 main_slack = 2000000LL;
133 u64 bihash_size = (u64) am->fa_conn_table_hash_memory_size;
136 per_worker_size_with_slack * tm->n_vlib_mains + bihash_size +
139 u64 max_possible = ((uword) ~ 0);
140 if (am->acl_mheap_size > max_possible)
142 clib_warning ("ACL heap size requested: %lld, max possible %lld",
143 am->acl_mheap_size, max_possible);
146 am->acl_mheap = mheap_alloc_with_lock (0 /* use VM */ ,
149 if (0 == am->acl_mheap)
152 ("ACL plugin failed to allocate main heap of %U bytes, abort",
153 format_memory_size, am->acl_mheap_size);
156 void *oldheap = clib_mem_set_heap (am->acl_mheap);
161 acl_plugin_set_heap ()
163 acl_main_t *am = &acl_main;
164 return acl_set_heap (am);
168 acl_plugin_acl_set_validate_heap (acl_main_t * am, int on)
170 clib_mem_set_heap (acl_set_heap (am));
171 #if USE_DLMALLOC == 0
172 mheap_t *h = mheap_header (am->acl_mheap);
175 h->flags |= MHEAP_FLAG_VALIDATE;
176 h->flags &= ~MHEAP_FLAG_SMALL_OBJECT_CACHE;
181 h->flags &= ~MHEAP_FLAG_VALIDATE;
182 h->flags |= MHEAP_FLAG_SMALL_OBJECT_CACHE;
188 acl_plugin_acl_set_trace_heap (acl_main_t * am, int on)
190 clib_mem_set_heap (acl_set_heap (am));
191 #if USE_DLMALLOC == 0
192 mheap_t *h = mheap_header (am->acl_mheap);
195 h->flags |= MHEAP_FLAG_TRACE;
199 h->flags &= ~MHEAP_FLAG_TRACE;
205 vl_api_acl_plugin_get_version_t_handler (vl_api_acl_plugin_get_version_t * mp)
207 acl_main_t *am = &acl_main;
208 vl_api_acl_plugin_get_version_reply_t *rmp;
209 int msg_size = sizeof (*rmp);
210 vl_api_registration_t *reg;
212 reg = vl_api_client_index_to_registration (mp->client_index);
216 rmp = vl_msg_api_alloc (msg_size);
217 clib_memset (rmp, 0, msg_size);
219 ntohs (VL_API_ACL_PLUGIN_GET_VERSION_REPLY + am->msg_id_base);
220 rmp->context = mp->context;
221 rmp->major = htonl (ACL_PLUGIN_VERSION_MAJOR);
222 rmp->minor = htonl (ACL_PLUGIN_VERSION_MINOR);
224 vl_api_send_msg (reg, (u8 *) rmp);
228 vl_api_acl_plugin_control_ping_t_handler (vl_api_acl_plugin_control_ping_t *
231 vl_api_acl_plugin_control_ping_reply_t *rmp;
232 acl_main_t *am = &acl_main;
236 REPLY_MACRO2 (VL_API_ACL_PLUGIN_CONTROL_PING_REPLY,
238 rmp->vpe_pid = ntohl (getpid ());
244 print_clib_warning_and_reset (vlib_main_t * vm, u8 * out0)
246 clib_warning ("%v", out0);
247 vec_reset_length (out0);
251 print_cli_and_reset (vlib_main_t * vm, u8 * out0)
253 vlib_cli_output (vm, "%v", out0);
254 vec_reset_length (out0);
257 typedef void (*acl_vector_print_func_t) (vlib_main_t * vm, u8 * out0);
260 acl_print_acl_x (acl_vector_print_func_t vpr, vlib_main_t * vm,
261 acl_main_t * am, int acl_index)
264 acl_rule_t *acl_rules = am->acls[acl_index].rules;
265 u8 *out0 = format (0, "acl-index %u count %u tag {%s}\n", acl_index,
266 vec_len (acl_rules), am->acls[acl_index].tag);
269 for (j = 0; j < vec_len (acl_rules); j++)
272 out0 = format (out0, " %9d: %s ", j, r->is_ipv6 ? "ipv6" : "ipv4");
273 out0 = format_acl_action (out0, r->is_permit);
274 out0 = format (out0, " src %U/%d", format_ip46_address, &r->src,
275 r->is_ipv6 ? IP46_TYPE_IP6 : IP46_TYPE_IP4,
278 format (out0, " dst %U/%d", format_ip46_address, &r->dst,
279 r->is_ipv6 ? IP46_TYPE_IP6 : IP46_TYPE_IP4, r->dst_prefixlen);
280 out0 = format (out0, " proto %d", r->proto);
281 out0 = format (out0, " sport %d", r->src_port_or_type_first);
282 if (r->src_port_or_type_first != r->src_port_or_type_last)
284 out0 = format (out0, "-%d", r->src_port_or_type_last);
286 out0 = format (out0, " dport %d", r->dst_port_or_code_first);
287 if (r->dst_port_or_code_first != r->dst_port_or_code_last)
289 out0 = format (out0, "-%d", r->dst_port_or_code_last);
291 if (r->tcp_flags_mask || r->tcp_flags_value)
294 format (out0, " tcpflags %d mask %d", r->tcp_flags_value,
297 out0 = format (out0, "\n");
303 vl_api_acl_plugin_get_conn_table_max_entries_t_handler
304 (vl_api_acl_plugin_get_conn_table_max_entries_t * mp)
306 acl_main_t *am = &acl_main;
307 vl_api_acl_plugin_get_conn_table_max_entries_reply_t *rmp;
308 int msg_size = sizeof (*rmp);
309 vl_api_registration_t *rp;
311 rp = vl_api_client_index_to_registration (mp->client_index);
315 rmp = vl_msg_api_alloc (msg_size);
316 memset (rmp, 0, msg_size);
318 ntohs (VL_API_ACL_PLUGIN_GET_CONN_TABLE_MAX_ENTRIES_REPLY +
320 rmp->context = mp->context;
321 rmp->conn_table_max_entries = __bswap_64 (am->fa_conn_table_max_entries);
323 vl_api_send_msg (rp, (u8 *) rmp);
327 acl_print_acl (vlib_main_t * vm, acl_main_t * am, int acl_index)
329 acl_print_acl_x (print_cli_and_reset, vm, am, acl_index);
333 warning_acl_print_acl (vlib_main_t * vm, acl_main_t * am, int acl_index)
335 acl_print_acl_x (print_clib_warning_and_reset, vm, am, acl_index);
339 increment_policy_epoch (acl_main_t * am, u32 sw_if_index, int is_input)
342 u32 **ppolicy_epoch_by_swi =
343 is_input ? &am->input_policy_epoch_by_sw_if_index :
344 &am->output_policy_epoch_by_sw_if_index;
345 vec_validate (*ppolicy_epoch_by_swi, sw_if_index);
347 u32 *p_epoch = vec_elt_at_index ((*ppolicy_epoch_by_swi), sw_if_index);
349 ((1 + *p_epoch) & FA_POLICY_EPOCH_MASK) +
350 (is_input * FA_POLICY_EPOCH_IS_INPUT);
354 try_increment_acl_policy_epoch (acl_main_t * am, u32 acl_num, int is_input)
356 u32 ***p_swi_vec_by_acl = is_input ? &am->input_sw_if_index_vec_by_acl
357 : &am->output_sw_if_index_vec_by_acl;
358 if (acl_num < vec_len (*p_swi_vec_by_acl))
361 vec_foreach (p_swi, (*p_swi_vec_by_acl)[acl_num])
363 increment_policy_epoch (am, *p_swi, is_input);
370 policy_notify_acl_change (acl_main_t * am, u32 acl_num)
372 try_increment_acl_policy_epoch (am, acl_num, 0);
373 try_increment_acl_policy_epoch (am, acl_num, 1);
378 validate_and_reset_acl_counters (acl_main_t * am, u32 acl_index)
381 /* counters are set as vectors [acl#] pointing to vectors of [acl rule] */
382 acl_plugin_counter_lock (am);
384 int old_len = vec_len (am->combined_acl_counters);
386 vec_validate (am->combined_acl_counters, acl_index);
388 for (i = old_len; i < vec_len (am->combined_acl_counters); i++)
390 am->combined_acl_counters[i].name = 0;
391 /* filled in once only */
392 am->combined_acl_counters[i].stat_segment_name = (void *)
393 format (0, "/acl/%d/matches%c", i, 0);
394 i32 rule_count = vec_len (am->acls[i].rules);
395 /* Validate one extra so we always have at least one counter for an ACL */
396 vlib_validate_combined_counter (&am->combined_acl_counters[i],
398 vlib_clear_combined_counters (&am->combined_acl_counters[i]);
401 /* (re)validate for the actual ACL that is getting added/updated */
402 i32 rule_count = vec_len (am->acls[acl_index].rules);
403 /* Validate one extra so we always have at least one counter for an ACL */
404 vlib_validate_combined_counter (&am->combined_acl_counters[acl_index],
406 vlib_clear_combined_counters (&am->combined_acl_counters[acl_index]);
407 acl_plugin_counter_unlock (am);
411 acl_api_ip4_invalid_prefix (void *ip4_pref_raw, u8 ip4_prefix_len)
413 ip4_address_t ip4_addr;
414 ip4_address_t ip4_mask;
415 ip4_address_t ip4_masked_addr;
417 memcpy (&ip4_addr, ip4_pref_raw, sizeof (ip4_addr));
418 ip4_preflen_to_mask (ip4_prefix_len, &ip4_mask);
419 ip4_masked_addr.as_u32 = ip4_addr.as_u32 & ip4_mask.as_u32;
420 int ret = (ip4_masked_addr.as_u32 != ip4_addr.as_u32);
424 ("inconsistent addr %U for prefix len %d; (%U when masked)",
425 format_ip4_address, ip4_pref_raw, ip4_prefix_len, format_ip4_address,
432 acl_api_ip6_invalid_prefix (void *ip6_pref_raw, u8 ip6_prefix_len)
434 ip6_address_t ip6_addr;
435 ip6_address_t ip6_mask;
436 ip6_address_t ip6_masked_addr;
438 memcpy (&ip6_addr, ip6_pref_raw, sizeof (ip6_addr));
439 ip6_preflen_to_mask (ip6_prefix_len, &ip6_mask);
440 ip6_masked_addr.as_u64[0] = ip6_addr.as_u64[0] & ip6_mask.as_u64[0];
441 ip6_masked_addr.as_u64[1] = ip6_addr.as_u64[1] & ip6_mask.as_u64[1];
442 int ret = ((ip6_masked_addr.as_u64[0] != ip6_addr.as_u64[0])
443 || (ip6_masked_addr.as_u64[1] != ip6_addr.as_u64[1]));
447 ("inconsistent addr %U for prefix len %d; (%U when masked)",
448 format_ip6_address, ip6_pref_raw, ip6_prefix_len, format_ip6_address,
455 acl_add_list (u32 count, vl_api_acl_rule_t rules[],
456 u32 * acl_list_index, u8 * tag)
458 acl_main_t *am = &acl_main;
461 acl_rule_t *acl_new_rules = 0;
464 if (am->trace_acl > 255)
465 clib_warning ("API dbg: acl_add_list index %d tag %s", *acl_list_index,
468 /* check if what they request is consistent */
469 for (i = 0; i < count; i++)
471 if (rules[i].is_ipv6)
473 if (rules[i].src_ip_prefix_len > 128)
474 return VNET_API_ERROR_INVALID_VALUE;
475 if (rules[i].dst_ip_prefix_len > 128)
476 return VNET_API_ERROR_INVALID_VALUE;
477 if (acl_api_ip6_invalid_prefix
478 (&rules[i].src_ip_addr, rules[i].src_ip_prefix_len))
479 return VNET_API_ERROR_INVALID_SRC_ADDRESS;
480 if (acl_api_ip6_invalid_prefix
481 (&rules[i].dst_ip_addr, rules[i].dst_ip_prefix_len))
482 return VNET_API_ERROR_INVALID_DST_ADDRESS;
486 if (rules[i].src_ip_prefix_len > 32)
487 return VNET_API_ERROR_INVALID_VALUE;
488 if (rules[i].dst_ip_prefix_len > 32)
489 return VNET_API_ERROR_INVALID_VALUE;
490 if (acl_api_ip4_invalid_prefix
491 (&rules[i].src_ip_addr, rules[i].src_ip_prefix_len))
492 return VNET_API_ERROR_INVALID_SRC_ADDRESS;
493 if (acl_api_ip4_invalid_prefix
494 (&rules[i].dst_ip_addr, rules[i].dst_ip_prefix_len))
495 return VNET_API_ERROR_INVALID_DST_ADDRESS;
497 if (ntohs (rules[i].srcport_or_icmptype_first) >
498 ntohs (rules[i].srcport_or_icmptype_last))
499 return VNET_API_ERROR_INVALID_VALUE_2;
500 if (ntohs (rules[i].dstport_or_icmpcode_first) >
501 ntohs (rules[i].dstport_or_icmpcode_last))
502 return VNET_API_ERROR_INVALID_VALUE_2;
505 if (*acl_list_index != ~0)
507 /* They supplied some number, let's see if this ACL exists */
508 if (pool_is_free_index (am->acls, *acl_list_index))
510 /* tried to replace a non-existent ACL, no point doing anything */
512 ("acl-plugin-error: Trying to replace nonexistent ACL %d (tag %s)",
513 *acl_list_index, tag);
514 return VNET_API_ERROR_NO_SUCH_ENTRY;
520 ("acl-plugin-warning: supplied no rules for ACL %d (tag %s)",
521 *acl_list_index, tag);
524 void *oldheap = acl_set_heap (am);
526 /* Create and populate the rules */
528 vec_validate (acl_new_rules, count - 1);
530 for (i = 0; i < count; i++)
532 r = vec_elt_at_index (acl_new_rules, i);
533 clib_memset (r, 0, sizeof (*r));
534 r->is_permit = rules[i].is_permit;
535 r->is_ipv6 = rules[i].is_ipv6;
538 memcpy (&r->src, rules[i].src_ip_addr, sizeof (r->src));
539 memcpy (&r->dst, rules[i].dst_ip_addr, sizeof (r->dst));
543 memcpy (&r->src.ip4, rules[i].src_ip_addr, sizeof (r->src.ip4));
544 memcpy (&r->dst.ip4, rules[i].dst_ip_addr, sizeof (r->dst.ip4));
546 r->src_prefixlen = rules[i].src_ip_prefix_len;
547 r->dst_prefixlen = rules[i].dst_ip_prefix_len;
548 r->proto = rules[i].proto;
549 r->src_port_or_type_first = ntohs (rules[i].srcport_or_icmptype_first);
550 r->src_port_or_type_last = ntohs (rules[i].srcport_or_icmptype_last);
551 r->dst_port_or_code_first = ntohs (rules[i].dstport_or_icmpcode_first);
552 r->dst_port_or_code_last = ntohs (rules[i].dstport_or_icmpcode_last);
553 r->tcp_flags_value = rules[i].tcp_flags_value;
554 r->tcp_flags_mask = rules[i].tcp_flags_mask;
557 if (~0 == *acl_list_index)
560 pool_get_aligned (am->acls, a, CLIB_CACHE_LINE_BYTES);
561 clib_memset (a, 0, sizeof (*a));
562 /* Will return the newly allocated ACL index */
563 *acl_list_index = a - am->acls;
567 a = am->acls + *acl_list_index;
568 /* Get rid of the old rules */
572 a->rules = acl_new_rules;
573 memcpy (a->tag, tag, sizeof (a->tag));
574 if (am->trace_acl > 255)
575 warning_acl_print_acl (am->vlib_main, am, *acl_list_index);
576 if (am->reclassify_sessions)
578 /* a change in an ACLs if they are applied may mean a new policy epoch */
579 policy_notify_acl_change (am, *acl_list_index);
582 /* stats segment expects global heap, so restore it temporarily */
583 clib_mem_set_heap (oldheap);
584 validate_and_reset_acl_counters (am, *acl_list_index);
585 oldheap = acl_set_heap (am);
587 /* notify the lookup contexts about the ACL changes */
588 acl_plugin_lookup_context_notify_acl_change (*acl_list_index);
589 clib_mem_set_heap (oldheap);
594 acl_is_used_by (u32 acl_index, u32 ** foo_index_vec_by_acl)
596 if (acl_index < vec_len (foo_index_vec_by_acl))
598 if (vec_len (vec_elt (foo_index_vec_by_acl, acl_index)) > 0)
600 /* ACL is applied somewhere. */
608 acl_del_list (u32 acl_list_index)
610 acl_main_t *am = &acl_main;
612 if (pool_is_free_index (am->acls, acl_list_index))
614 return VNET_API_ERROR_NO_SUCH_ENTRY;
616 if (acl_is_used_by (acl_list_index, am->input_sw_if_index_vec_by_acl))
617 return VNET_API_ERROR_ACL_IN_USE_INBOUND;
618 if (acl_is_used_by (acl_list_index, am->output_sw_if_index_vec_by_acl))
619 return VNET_API_ERROR_ACL_IN_USE_OUTBOUND;
620 /* lookup contexts cover other cases, not just inbound/outbound, so check that */
621 if (acl_is_used_by (acl_list_index, am->lc_index_vec_by_acl))
622 return VNET_API_ERROR_ACL_IN_USE_BY_LOOKUP_CONTEXT;
624 void *oldheap = acl_set_heap (am);
626 /* now we can delete the ACL itself */
627 a = pool_elt_at_index (am->acls, acl_list_index);
630 pool_put (am->acls, a);
631 /* acl_list_index is now free, notify the lookup contexts */
632 acl_plugin_lookup_context_notify_acl_change (acl_list_index);
633 clib_mem_set_heap (oldheap);
638 count_skip (u8 * p, u32 size)
640 u64 *p64 = (u64 *) p;
641 /* Be tolerant to null pointer */
645 while ((0ULL == *p64) && ((u8 *) p64 - p) < size)
649 return (p64 - (u64 *) p) / 2;
653 acl_classify_add_del_table_small (vnet_classify_main_t * cm, u8 * mask,
654 u32 mask_len, u32 next_table_index,
655 u32 miss_next_index, u32 * table_index,
659 u32 memory_size = 2 << 22;
660 u32 skip = count_skip (mask, mask_len);
661 u32 match = (mask_len / 16) - skip;
662 u8 *skip_mask_ptr = mask + 16 * skip;
663 u32 current_data_flag = 0;
664 int current_data_offset = 0;
669 void *oldheap = clib_mem_set_heap (cm->vlib_main->heap_base);
670 int ret = vnet_classify_add_del_table (cm, skip_mask_ptr, nbuckets,
671 memory_size, skip, match,
672 next_table_index, miss_next_index,
673 table_index, current_data_flag,
674 current_data_offset, is_add,
675 1 /* delete_chain */ );
676 clib_mem_set_heap (oldheap);
681 intf_has_etype_whitelist (acl_main_t * am, u32 sw_if_index, int is_input)
684 ? am->input_etype_whitelist_by_sw_if_index
685 : am->output_etype_whitelist_by_sw_if_index;
686 u16 *whitelist = (vec_len (v) > sw_if_index) ? vec_elt (v, sw_if_index) : 0;
687 return vec_len (whitelist) > 0;
691 acl_clear_sessions (acl_main_t * am, u32 sw_if_index)
693 void *oldheap = clib_mem_set_heap (am->vlib_main->heap_base);
694 vlib_process_signal_event (am->vlib_main, am->fa_cleaner_node_index,
695 ACL_FA_CLEANER_DELETE_BY_SW_IF_INDEX,
697 clib_mem_set_heap (oldheap);
702 acl_interface_in_enable_disable (acl_main_t * am, u32 sw_if_index,
708 if (pool_is_free_index (am->vnet_main->interface_main.sw_interfaces,
710 return VNET_API_ERROR_INVALID_SW_IF_INDEX;
712 if (clib_bitmap_get (am->in_acl_on_sw_if_index, sw_if_index) ==
716 acl_fa_enable_disable (sw_if_index, 1, enable_disable);
718 void *oldheap = clib_mem_set_heap (am->vlib_main->heap_base);
719 rv = vnet_l2_feature_enable_disable ("l2-input-ip4", "acl-plugin-in-ip4-l2",
720 sw_if_index, enable_disable, 0, 0);
722 clib_error ("Could not enable on input");
723 rv = vnet_l2_feature_enable_disable ("l2-input-ip6", "acl-plugin-in-ip6-l2",
724 sw_if_index, enable_disable, 0, 0);
726 clib_error ("Could not enable on input");
728 if (intf_has_etype_whitelist (am, sw_if_index, 1))
729 vnet_l2_feature_enable_disable ("l2-input-nonip",
730 "acl-plugin-in-nonip-l2", sw_if_index,
731 enable_disable, 0, 0);
733 clib_mem_set_heap (oldheap);
735 am->in_acl_on_sw_if_index =
736 clib_bitmap_set (am->in_acl_on_sw_if_index, sw_if_index, enable_disable);
742 acl_interface_out_enable_disable (acl_main_t * am, u32 sw_if_index,
748 if (pool_is_free_index (am->vnet_main->interface_main.sw_interfaces,
750 return VNET_API_ERROR_INVALID_SW_IF_INDEX;
752 if (clib_bitmap_get (am->out_acl_on_sw_if_index, sw_if_index) ==
756 acl_fa_enable_disable (sw_if_index, 0, enable_disable);
758 void *oldheap = clib_mem_set_heap (am->vlib_main->heap_base);
760 vnet_l2_feature_enable_disable ("l2-output-ip4", "acl-plugin-out-ip4-l2",
761 sw_if_index, enable_disable, 0, 0);
763 clib_error ("Could not enable on output");
765 vnet_l2_feature_enable_disable ("l2-output-ip6", "acl-plugin-out-ip6-l2",
766 sw_if_index, enable_disable, 0, 0);
768 clib_error ("Could not enable on output");
769 if (intf_has_etype_whitelist (am, sw_if_index, 0))
770 vnet_l2_feature_enable_disable ("l2-output-nonip",
771 "acl-plugin-out-nonip-l2", sw_if_index,
772 enable_disable, 0, 0);
775 clib_mem_set_heap (oldheap);
777 am->out_acl_on_sw_if_index =
778 clib_bitmap_set (am->out_acl_on_sw_if_index, sw_if_index, enable_disable);
784 acl_stats_intf_counters_enable_disable (acl_main_t * am, int enable_disable)
788 am->interface_acl_counters_enabled = enable_disable;
794 acl_interface_inout_enable_disable (acl_main_t * am, u32 sw_if_index,
795 int is_input, int enable_disable)
798 return acl_interface_in_enable_disable (am, sw_if_index, enable_disable);
800 return acl_interface_out_enable_disable (am, sw_if_index, enable_disable);
804 acl_is_not_defined (acl_main_t * am, u32 acl_list_index)
806 return (pool_is_free_index (am->acls, acl_list_index));
810 acl_interface_set_inout_acl_list (acl_main_t * am, u32 sw_if_index,
811 u8 is_input, u32 * vec_acl_list_index,
812 int *may_clear_sessions)
815 uword *seen_acl_bitmap = 0;
816 uword *old_seen_acl_bitmap = 0;
817 uword *change_acl_bitmap = 0;
822 if (am->trace_acl > 255)
824 ("API dbg: acl_interface_set_inout_acl_list: sw_if_index %d is_input %d acl_vec: [%U]",
825 sw_if_index, is_input, format_vec32, vec_acl_list_index, "%d");
827 vec_foreach (pacln, vec_acl_list_index)
829 if (acl_is_not_defined (am, *pacln))
831 /* ACL is not defined. Can not apply */
832 clib_warning ("ERROR: ACL %d not defined", *pacln);
833 rv = VNET_API_ERROR_NO_SUCH_ENTRY;
836 if (clib_bitmap_get (seen_acl_bitmap, *pacln))
838 /* ACL being applied twice within the list. error. */
839 clib_warning ("ERROR: ACL %d being applied twice", *pacln);
840 rv = VNET_API_ERROR_ENTRY_ALREADY_EXISTS;
843 seen_acl_bitmap = clib_bitmap_set (seen_acl_bitmap, *pacln, 1);
847 u32 **pinout_lc_index_by_sw_if_index =
849 input_lc_index_by_sw_if_index : &am->output_lc_index_by_sw_if_index;
851 u32 ***pinout_acl_vec_by_sw_if_index =
853 input_acl_vec_by_sw_if_index : &am->output_acl_vec_by_sw_if_index;
855 u32 ***pinout_sw_if_index_vec_by_acl =
857 input_sw_if_index_vec_by_acl : &am->output_sw_if_index_vec_by_acl;
859 vec_validate ((*pinout_acl_vec_by_sw_if_index), sw_if_index);
861 clib_bitmap_validate (old_seen_acl_bitmap, 1);
863 vec_foreach (pacln, (*pinout_acl_vec_by_sw_if_index)[sw_if_index])
865 old_seen_acl_bitmap = clib_bitmap_set (old_seen_acl_bitmap, *pacln, 1);
868 clib_bitmap_dup_xor (old_seen_acl_bitmap, seen_acl_bitmap);
870 if (am->trace_acl > 255)
871 clib_warning ("bitmaps: old seen %U new seen %U changed %U",
872 format_bitmap_hex, old_seen_acl_bitmap, format_bitmap_hex,
873 seen_acl_bitmap, format_bitmap_hex, change_acl_bitmap);
876 clib_bitmap_foreach(acln, change_acl_bitmap, ({
877 if (clib_bitmap_get(old_seen_acl_bitmap, acln)) {
878 /* ACL is being removed. */
879 if (acln < vec_len((*pinout_sw_if_index_vec_by_acl))) {
880 int index = vec_search((*pinout_sw_if_index_vec_by_acl)[acln], sw_if_index);
881 vec_del1((*pinout_sw_if_index_vec_by_acl)[acln], index);
884 /* ACL is being added. */
885 vec_validate((*pinout_sw_if_index_vec_by_acl), acln);
886 vec_add1((*pinout_sw_if_index_vec_by_acl)[acln], sw_if_index);
891 vec_free ((*pinout_acl_vec_by_sw_if_index)[sw_if_index]);
892 (*pinout_acl_vec_by_sw_if_index)[sw_if_index] =
893 vec_dup (vec_acl_list_index);
895 if (am->reclassify_sessions)
897 /* re-applying ACLs means a new policy epoch */
898 increment_policy_epoch (am, sw_if_index, is_input);
902 /* if no commonalities between the ACL# - then we should definitely clear the sessions */
903 if (may_clear_sessions && *may_clear_sessions
904 && !clib_bitmap_is_zero (change_acl_bitmap))
906 acl_clear_sessions (am, sw_if_index);
907 *may_clear_sessions = 0;
912 * prepare or delete the lookup context if necessary, and if context exists, set ACL list
914 vec_validate_init_empty ((*pinout_lc_index_by_sw_if_index), sw_if_index,
916 if (vec_len (vec_acl_list_index) > 0)
918 u32 lc_index = (*pinout_lc_index_by_sw_if_index)[sw_if_index];
922 acl_plugin.get_lookup_context_index (am->interface_acl_user_id,
923 sw_if_index, is_input);
924 (*pinout_lc_index_by_sw_if_index)[sw_if_index] = lc_index;
926 acl_plugin.set_acl_vec_for_context (lc_index, vec_acl_list_index);
930 if (~0 != (*pinout_lc_index_by_sw_if_index)[sw_if_index])
932 acl_plugin.put_lookup_context_index ((*pinout_lc_index_by_sw_if_index)[sw_if_index]);
933 (*pinout_lc_index_by_sw_if_index)[sw_if_index] = ~0;
937 /* ensure ACL processing is enabled/disabled as needed */
938 acl_interface_inout_enable_disable (am, sw_if_index, is_input,
939 vec_len (vec_acl_list_index) > 0);
942 clib_bitmap_free (change_acl_bitmap);
943 clib_bitmap_free (seen_acl_bitmap);
944 clib_bitmap_free (old_seen_acl_bitmap);
949 acl_interface_reset_inout_acls (u32 sw_if_index, u8 is_input,
950 int *may_clear_sessions)
952 acl_main_t *am = &acl_main;
953 void *oldheap = acl_set_heap (am);
954 acl_interface_set_inout_acl_list (am, sw_if_index, is_input, 0,
956 clib_mem_set_heap (oldheap);
960 acl_interface_add_del_inout_acl (u32 sw_if_index, u8 is_add, u8 is_input,
964 acl_main_t *am = &acl_main;
966 int may_clear_sessions = 1;
968 int error_already_applied = is_input ? VNET_API_ERROR_ACL_IN_USE_INBOUND
969 : VNET_API_ERROR_ACL_IN_USE_OUTBOUND;
971 u32 ***pinout_acl_vec_by_sw_if_index =
973 input_acl_vec_by_sw_if_index : &am->output_acl_vec_by_sw_if_index;
975 void *oldheap = acl_set_heap (am);
979 vec_validate ((*pinout_acl_vec_by_sw_if_index), sw_if_index);
980 u32 index = vec_search ((*pinout_acl_vec_by_sw_if_index)[sw_if_index],
985 rv = error_already_applied;
989 acl_vec = vec_dup ((*pinout_acl_vec_by_sw_if_index)[sw_if_index]);
990 vec_add1 (acl_vec, acl_list_index);
994 if (sw_if_index >= vec_len (*pinout_acl_vec_by_sw_if_index))
996 rv = VNET_API_ERROR_NO_SUCH_ENTRY;
1000 u32 index = vec_search ((*pinout_acl_vec_by_sw_if_index)[sw_if_index],
1005 rv = VNET_API_ERROR_NO_SUCH_ENTRY;
1009 acl_vec = vec_dup ((*pinout_acl_vec_by_sw_if_index)[sw_if_index]);
1010 vec_del1 (acl_vec, index);
1013 rv = acl_interface_set_inout_acl_list (am, sw_if_index, is_input, acl_vec,
1014 &may_clear_sessions);
1017 clib_mem_set_heap (oldheap);
1022 acl_set_etype_whitelists (acl_main_t * am, u32 sw_if_index, u16 * vec_in,
1025 vec_validate (am->input_etype_whitelist_by_sw_if_index, sw_if_index);
1026 vec_validate (am->output_etype_whitelist_by_sw_if_index, sw_if_index);
1028 vec_free (am->input_etype_whitelist_by_sw_if_index[sw_if_index]);
1029 vec_free (am->output_etype_whitelist_by_sw_if_index[sw_if_index]);
1031 am->input_etype_whitelist_by_sw_if_index[sw_if_index] = vec_in;
1032 am->output_etype_whitelist_by_sw_if_index[sw_if_index] = vec_out;
1035 * if there are already inbound/outbound ACLs applied, toggle the
1036 * enable/disable - this will recreate the necessary tables.
1039 if (vec_len (am->input_acl_vec_by_sw_if_index) > sw_if_index)
1041 if (vec_len (am->input_acl_vec_by_sw_if_index[sw_if_index]) > 0)
1043 acl_interface_in_enable_disable (am, sw_if_index, 0);
1044 acl_interface_in_enable_disable (am, sw_if_index, 1);
1047 if (vec_len (am->output_acl_vec_by_sw_if_index) > sw_if_index)
1049 if (vec_len (am->output_acl_vec_by_sw_if_index[sw_if_index]) > 0)
1051 acl_interface_out_enable_disable (am, sw_if_index, 0);
1052 acl_interface_out_enable_disable (am, sw_if_index, 1);
1067 u32 arp_table_index;
1068 u32 dot1q_table_index;
1069 u32 dot1ad_table_index;
1070 u32 arp_dot1q_table_index;
1071 u32 arp_dot1ad_table_index;
1073 u32 out_table_index;
1074 u32 out_arp_table_index;
1075 u32 out_dot1q_table_index;
1076 u32 out_dot1ad_table_index;
1077 u32 out_arp_dot1q_table_index;
1078 u32 out_arp_dot1ad_table_index;
1079 } macip_match_type_t;
1082 macip_find_match_type (macip_match_type_t * mv, u8 * mac_mask, u8 prefix_len,
1088 for (i = 0; i < vec_len (mv); i++)
1090 if ((mv[i].prefix_len == prefix_len) && (mv[i].is_ipv6 == is_ipv6)
1091 && (0 == memcmp (mv[i].mac_mask, mac_mask, 6)))
1101 /* Get metric used to sort match types.
1102 The more specific and the more often seen - the bigger the metric */
1104 match_type_metric (macip_match_type_t * m)
1106 unsigned int mac_bits_set = 0;
1107 unsigned int mac_byte;
1109 for (i = 0; i < 6; i++)
1111 mac_byte = m->mac_mask[i];
1112 for (; mac_byte; mac_byte >>= 1)
1113 mac_bits_set += mac_byte & 1;
1116 * Attempt to place the more specific and the more used rules on top.
1117 * There are obvious caveat corner cases to this, but they do not
1118 * seem to be sensible in real world (e.g. specific IPv4 with wildcard MAC
1119 * going with a wildcard IPv4 with a specific MAC).
1121 return m->prefix_len + mac_bits_set + m->is_ipv6 + 10 * m->count;
1125 match_type_compare (macip_match_type_t * m1, macip_match_type_t * m2)
1127 /* Ascending sort based on the metric values */
1128 return match_type_metric (m1) - match_type_metric (m2);
1131 /* Get the offset of L3 source within ethernet packet */
1133 get_l3_src_offset (int is6)
1136 return (sizeof (ethernet_header_t) +
1137 offsetof (ip6_header_t, src_address));
1139 return (sizeof (ethernet_header_t) +
1140 offsetof (ip4_header_t, src_address));
1144 get_l3_dst_offset (int is6)
1147 return (sizeof (ethernet_header_t) +
1148 offsetof (ip6_header_t, dst_address));
1150 return (sizeof (ethernet_header_t) +
1151 offsetof (ip4_header_t, dst_address));
1155 * return if the is_permit value also requires to create the egress tables
1156 * For backwards compatibility, we keep the is_permit = 1 to only
1157 * create the ingress tables, and the new value of 3 will also
1158 * create the egress tables based on destination.
1161 macip_permit_also_egress (u8 is_permit)
1163 return (is_permit == 3);
1167 macip_create_classify_tables (acl_main_t * am, u32 macip_acl_index)
1169 macip_match_type_t *mvec = NULL;
1170 macip_match_type_t *mt;
1171 macip_acl_list_t *a = pool_elt_at_index (am->macip_acls, macip_acl_index);
1173 u32 match_type_index;
1177 vnet_classify_main_t *cm = &vnet_classify_main;
1179 /* Count the number of different types of rules */
1180 for (i = 0; i < a->count; i++)
1184 macip_find_match_type (mvec, a->rules[i].src_mac_mask,
1185 a->rules[i].src_prefixlen,
1186 a->rules[i].is_ipv6)))
1188 match_type_index = vec_len (mvec);
1189 vec_validate (mvec, match_type_index);
1190 memcpy (mvec[match_type_index].mac_mask,
1191 a->rules[i].src_mac_mask, 6);
1192 mvec[match_type_index].prefix_len = a->rules[i].src_prefixlen;
1193 mvec[match_type_index].is_ipv6 = a->rules[i].is_ipv6;
1194 mvec[match_type_index].has_egress = 0;
1195 mvec[match_type_index].table_index = ~0;
1196 mvec[match_type_index].arp_table_index = ~0;
1197 mvec[match_type_index].dot1q_table_index = ~0;
1198 mvec[match_type_index].dot1ad_table_index = ~0;
1199 mvec[match_type_index].arp_dot1q_table_index = ~0;
1200 mvec[match_type_index].arp_dot1ad_table_index = ~0;
1201 mvec[match_type_index].out_table_index = ~0;
1202 mvec[match_type_index].out_arp_table_index = ~0;
1203 mvec[match_type_index].out_dot1q_table_index = ~0;
1204 mvec[match_type_index].out_dot1ad_table_index = ~0;
1205 mvec[match_type_index].out_arp_dot1q_table_index = ~0;
1206 mvec[match_type_index].out_arp_dot1ad_table_index = ~0;
1208 mvec[match_type_index].count++;
1209 mvec[match_type_index].has_egress |=
1210 macip_permit_also_egress (a->rules[i].is_permit);
1212 /* Put the most frequently used tables last in the list so we can create classifier tables in reverse order */
1213 vec_sort_with_function (mvec, match_type_compare);
1214 /* Create the classifier tables */
1216 out_last_table = ~0;
1217 /* First add ARP tables */
1218 vec_foreach (mt, mvec)
1221 int is6 = mt->is_ipv6;
1223 u32 *last_tag_table;
1224 u32 *out_last_tag_table;
1231 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
1232 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
1233 | Destination Address |
1234 + +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
1236 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +
1238 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
1239 | EtherType | Hardware Type |
1240 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
1241 | Protocol Type | Hw addr len | Proto addr len|
1242 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
1244 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +
1245 | Sender Hardware Address |
1246 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
1247 | Sender Protocol Address |
1248 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
1249 | Target Hardware Address |
1250 + +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
1251 | | TargetProtocolAddress |
1252 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
1254 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
1256 for (tags = 2; tags >= 0; tags--)
1258 clib_memset (mask, 0, sizeof (mask));
1259 /* source MAC address */
1260 memcpy (&mask[6], mt->mac_mask, 6);
1266 clib_memset (&mask[12], 0xff, 2); /* ethernet protocol */
1268 last_tag_table = &mt->arp_table_index;
1271 clib_memset (&mask[12], 0xff, 2); /* VLAN tag1 */
1272 clib_memset (&mask[16], 0xff, 2); /* ethernet protocol */
1274 last_tag_table = &mt->arp_dot1q_table_index;
1277 clib_memset (&mask[12], 0xff, 2); /* VLAN tag1 */
1278 clib_memset (&mask[16], 0xff, 2); /* VLAN tag2 */
1279 clib_memset (&mask[20], 0xff, 2); /* ethernet protocol */
1281 last_tag_table = &mt->arp_dot1ad_table_index;
1285 /* sender hardware address within ARP */
1286 memcpy (&mask[l3_offset + 8], mt->mac_mask, 6);
1287 /* sender protocol address within ARP */
1288 for (i = 0; i < (mt->prefix_len / 8); i++)
1289 mask[l3_offset + 14 + i] = 0xff;
1290 if (mt->prefix_len % 8)
1291 mask[l3_offset + 14 + (mt->prefix_len / 8)] =
1292 0xff - ((1 << (8 - mt->prefix_len % 8)) - 1);
1294 mask_len = ((l3_offset + 14 + ((mt->prefix_len + 7) / 8) +
1296 1)) / sizeof (u32x4)) * sizeof (u32x4);
1297 acl_classify_add_del_table_small (cm, mask, mask_len, last_table,
1298 (~0 == last_table) ? 0 : ~0,
1300 last_table = *last_tag_table;
1303 /* egress ARP table */
1304 clib_memset (mask, 0, sizeof (mask));
1310 clib_memset (&mask[12], 0xff, 2); /* ethernet protocol */
1312 out_last_tag_table = &mt->out_arp_table_index;
1315 clib_memset (&mask[12], 0xff, 2); /* VLAN tag1 */
1316 clib_memset (&mask[16], 0xff, 2); /* ethernet protocol */
1318 out_last_tag_table = &mt->out_arp_dot1q_table_index;
1321 clib_memset (&mask[12], 0xff, 2); /* VLAN tag1 */
1322 clib_memset (&mask[16], 0xff, 2); /* VLAN tag2 */
1323 clib_memset (&mask[20], 0xff, 2); /* ethernet protocol */
1325 out_last_tag_table = &mt->out_arp_dot1ad_table_index;
1329 /* AYXX: FIXME here - can we tighten the ARP-related table more ? */
1330 /* mask captures just the destination and the ethertype */
1331 mask_len = ((l3_offset +
1333 1)) / sizeof (u32x4)) * sizeof (u32x4);
1334 acl_classify_add_del_table_small (cm, mask, mask_len,
1337 out_last_table) ? 0 : ~0,
1338 out_last_tag_table, 1);
1339 out_last_table = *out_last_tag_table;
1344 /* Now add IP[46] tables */
1345 vec_foreach (mt, mvec)
1348 int is6 = mt->is_ipv6;
1352 u32 *last_tag_table;
1353 u32 *out_last_tag_table;
1356 * create chained tables for VLAN (no-tags, dot1q and dot1ad) packets
1358 for (tags = 2; tags >= 0; tags--)
1360 clib_memset (mask, 0, sizeof (mask));
1361 memcpy (&mask[6], mt->mac_mask, 6);
1362 l3_src_offs = tags * 4 + get_l3_src_offset (is6);
1367 clib_memset (&mask[12], 0xff, 2); /* ethernet protocol */
1368 last_tag_table = &mt->table_index;
1371 clib_memset (&mask[12], 0xff, 2); /* VLAN tag1 */
1372 clib_memset (&mask[16], 0xff, 2); /* ethernet protocol */
1373 last_tag_table = &mt->dot1q_table_index;
1376 clib_memset (&mask[12], 0xff, 2); /* VLAN tag1 */
1377 clib_memset (&mask[16], 0xff, 2); /* VLAN tag2 */
1378 clib_memset (&mask[20], 0xff, 2); /* ethernet protocol */
1379 last_tag_table = &mt->dot1ad_table_index;
1382 for (i = 0; i < (mt->prefix_len / 8); i++)
1384 mask[l3_src_offs + i] = 0xff;
1386 if (mt->prefix_len % 8)
1388 mask[l3_src_offs + (mt->prefix_len / 8)] =
1389 0xff - ((1 << (8 - mt->prefix_len % 8)) - 1);
1392 * Round-up the number of bytes needed to store the prefix,
1393 * and round up the number of vectors too
1395 mask_len = ((l3_src_offs + ((mt->prefix_len + 7) / 8) +
1396 (sizeof (u32x4) - 1)) / sizeof (u32x4)) * sizeof (u32x4);
1397 acl_classify_add_del_table_small (cm, mask, mask_len, last_table,
1398 (~0 == last_table) ? 0 : ~0,
1400 last_table = *last_tag_table;
1404 for (tags = 2; tags >= 0; tags--)
1406 clib_memset (mask, 0, sizeof (mask));
1407 /* MAC destination */
1408 memcpy (&mask[0], mt->mac_mask, 6);
1409 l3_dst_offs = tags * 4 + get_l3_dst_offset (is6);
1414 clib_memset (&mask[12], 0xff, 2); /* ethernet protocol */
1415 out_last_tag_table = &mt->out_table_index;
1418 clib_memset (&mask[12], 0xff, 2); /* VLAN tag1 */
1419 clib_memset (&mask[16], 0xff, 2); /* ethernet protocol */
1420 out_last_tag_table = &mt->out_dot1q_table_index;
1423 clib_memset (&mask[12], 0xff, 2); /* VLAN tag1 */
1424 clib_memset (&mask[16], 0xff, 2); /* VLAN tag2 */
1425 clib_memset (&mask[20], 0xff, 2); /* ethernet protocol */
1426 out_last_tag_table = &mt->out_dot1ad_table_index;
1429 for (i = 0; i < (mt->prefix_len / 8); i++)
1431 mask[l3_dst_offs + i] = 0xff;
1433 if (mt->prefix_len % 8)
1435 mask[l3_dst_offs + (mt->prefix_len / 8)] =
1436 0xff - ((1 << (8 - mt->prefix_len % 8)) - 1);
1439 * Round-up the number of bytes needed to store the prefix,
1440 * and round up the number of vectors too
1442 mask_len = ((l3_dst_offs + ((mt->prefix_len + 7) / 8) +
1444 1)) / sizeof (u32x4)) * sizeof (u32x4);
1445 acl_classify_add_del_table_small (cm, mask, mask_len,
1447 (~0 == out_last_table) ? 0 : ~0,
1448 out_last_tag_table, 1);
1449 out_last_table = *out_last_tag_table;
1453 a->ip4_table_index = last_table;
1454 a->ip6_table_index = last_table;
1455 a->l2_table_index = last_table;
1457 a->out_ip4_table_index = out_last_table;
1458 a->out_ip6_table_index = out_last_table;
1459 a->out_l2_table_index = out_last_table;
1461 /* Populate the classifier tables with rules from the MACIP ACL */
1462 for (i = 0; i < a->count; i++)
1466 int is6 = a->rules[i].is_ipv6;
1473 macip_find_match_type (mvec, a->rules[i].src_mac_mask,
1474 a->rules[i].src_prefixlen,
1475 a->rules[i].is_ipv6);
1476 ASSERT (match_type_index != ~0);
1478 for (tags = 2; tags >= 0; tags--)
1480 clib_memset (mask, 0, sizeof (mask));
1481 l3_src_offs = tags * 4 + get_l3_src_offset (is6);
1482 memcpy (&mask[6], a->rules[i].src_mac, 6);
1487 tag_table = mvec[match_type_index].table_index;
1491 tag_table = mvec[match_type_index].dot1q_table_index;
1497 tag_table = mvec[match_type_index].dot1ad_table_index;
1507 memcpy (&mask[l3_src_offs], &a->rules[i].src_ip_addr.ip6, 16);
1509 mask[eth + 1] = 0xdd;
1513 memcpy (&mask[l3_src_offs], &a->rules[i].src_ip_addr.ip4, 4);
1515 mask[eth + 1] = 0x00;
1518 /* add session to table mvec[match_type_index].table_index; */
1519 vnet_classify_add_del_session (cm, tag_table,
1520 mask, a->rules[i].is_permit ? ~0 : 0,
1521 i, 0, action, metadata, 1);
1522 clib_memset (&mask[12], 0, sizeof (mask) - 12);
1525 /* add ARP table entry too */
1526 if (!is6 && (mvec[match_type_index].arp_table_index != ~0))
1528 clib_memset (mask, 0, sizeof (mask));
1529 memcpy (&mask[6], a->rules[i].src_mac, 6);
1531 for (tags = 2; tags >= 0; tags--)
1537 tag_table = mvec[match_type_index].arp_table_index;
1543 tag_table = mvec[match_type_index].arp_dot1q_table_index;
1551 tag_table = mvec[match_type_index].arp_dot1ad_table_index;
1562 memcpy (&mask[l3_src_offs + 8], a->rules[i].src_mac, 6);
1563 memcpy (&mask[l3_src_offs + 14], &a->rules[i].src_ip_addr.ip4,
1565 vnet_classify_add_del_session (cm, tag_table, mask,
1566 a->rules[i].is_permit ? ~0 : 0,
1567 i, 0, action, metadata, 1);
1570 if (macip_permit_also_egress (a->rules[i].is_permit))
1572 /* Add the egress entry with destination set */
1573 for (tags = 2; tags >= 0; tags--)
1575 clib_memset (mask, 0, sizeof (mask));
1576 l3_dst_offs = tags * 4 + get_l3_dst_offset (is6);
1577 /* src mac in the other direction becomes dst */
1578 memcpy (&mask[0], a->rules[i].src_mac, 6);
1583 tag_table = mvec[match_type_index].out_table_index;
1587 tag_table = mvec[match_type_index].out_dot1q_table_index;
1593 tag_table = mvec[match_type_index].out_dot1ad_table_index;
1603 memcpy (&mask[l3_dst_offs], &a->rules[i].src_ip_addr.ip6,
1606 mask[eth + 1] = 0xdd;
1610 memcpy (&mask[l3_dst_offs], &a->rules[i].src_ip_addr.ip4,
1613 mask[eth + 1] = 0x00;
1616 /* add session to table mvec[match_type_index].table_index; */
1617 vnet_classify_add_del_session (cm, tag_table,
1619 a->rules[i].is_permit ? ~0 : 0,
1620 i, 0, action, metadata, 1);
1621 // clib_memset (&mask[12], 0, sizeof (mask) - 12);
1624 /* add ARP table entry too */
1625 if (!is6 && (mvec[match_type_index].out_arp_table_index != ~0))
1627 for (tags = 2; tags >= 0; tags--)
1629 clib_memset (mask, 0, sizeof (mask));
1634 tag_table = mvec[match_type_index].out_arp_table_index;
1640 mvec[match_type_index].out_arp_dot1q_table_index;
1648 mvec[match_type_index].out_arp_dot1ad_table_index;
1658 vnet_classify_add_del_session (cm, tag_table,
1661 rules[i].is_permit ? ~0 : 0,
1662 i, 0, action, metadata, 1);
1671 macip_destroy_classify_tables (acl_main_t * am, u32 macip_acl_index)
1673 vnet_classify_main_t *cm = &vnet_classify_main;
1674 macip_acl_list_t *a = pool_elt_at_index (am->macip_acls, macip_acl_index);
1676 if (a->ip4_table_index != ~0)
1678 acl_classify_add_del_table_small (cm, 0, ~0, ~0, ~0,
1679 &a->ip4_table_index, 0);
1680 a->ip4_table_index = ~0;
1682 if (a->ip6_table_index != ~0)
1684 acl_classify_add_del_table_small (cm, 0, ~0, ~0, ~0,
1685 &a->ip6_table_index, 0);
1686 a->ip6_table_index = ~0;
1688 if (a->l2_table_index != ~0)
1690 acl_classify_add_del_table_small (cm, 0, ~0, ~0, ~0, &a->l2_table_index,
1692 a->l2_table_index = ~0;
1694 if (a->out_ip4_table_index != ~0)
1696 acl_classify_add_del_table_small (cm, 0, ~0, ~0, ~0,
1697 &a->out_ip4_table_index, 0);
1698 a->out_ip4_table_index = ~0;
1700 if (a->out_ip6_table_index != ~0)
1702 acl_classify_add_del_table_small (cm, 0, ~0, ~0, ~0,
1703 &a->out_ip6_table_index, 0);
1704 a->out_ip6_table_index = ~0;
1706 if (a->out_l2_table_index != ~0)
1708 acl_classify_add_del_table_small (cm, 0, ~0, ~0, ~0,
1709 &a->out_l2_table_index, 0);
1710 a->out_l2_table_index = ~0;
1715 macip_maybe_apply_unapply_classifier_tables (acl_main_t * am, u32 acl_index,
1721 macip_acl_list_t *a = pool_elt_at_index (am->macip_acls, acl_index);
1723 for (i = 0; i < vec_len (am->macip_acl_by_sw_if_index); i++)
1724 if (vec_elt (am->macip_acl_by_sw_if_index, i) == acl_index)
1726 rv0 = vnet_set_input_acl_intfc (am->vlib_main, i, a->ip4_table_index,
1727 a->ip6_table_index, a->l2_table_index,
1729 /* return the first unhappy outcome but make try to plough through. */
1732 vnet_set_output_acl_intfc (am->vlib_main, i, a->out_ip4_table_index,
1733 a->out_ip6_table_index,
1734 a->out_l2_table_index, is_apply);
1735 /* return the first unhappy outcome but make try to plough through. */
1742 macip_acl_add_list (u32 count, vl_api_macip_acl_rule_t rules[],
1743 u32 * acl_list_index, u8 * tag)
1745 acl_main_t *am = &acl_main;
1746 macip_acl_list_t *a;
1747 macip_acl_rule_t *r;
1748 macip_acl_rule_t *acl_new_rules = 0;
1752 if (*acl_list_index != ~0)
1754 /* They supplied some number, let's see if this MACIP ACL exists */
1755 if (pool_is_free_index (am->macip_acls, *acl_list_index))
1757 /* tried to replace a non-existent ACL, no point doing anything */
1759 ("acl-plugin-error: Trying to replace nonexistent MACIP ACL %d (tag %s)",
1760 *acl_list_index, tag);
1761 return VNET_API_ERROR_NO_SUCH_ENTRY;
1768 ("acl-plugin-warning: Trying to create empty MACIP ACL (tag %s)",
1771 /* if replacing the ACL, unapply the classifier tables first - they will be gone.. */
1772 if (~0 != *acl_list_index)
1773 rv = macip_maybe_apply_unapply_classifier_tables (am, *acl_list_index, 0);
1774 void *oldheap = acl_set_heap (am);
1775 /* Create and populate the rules */
1777 vec_validate (acl_new_rules, count - 1);
1779 for (i = 0; i < count; i++)
1781 r = &acl_new_rules[i];
1782 r->is_permit = rules[i].is_permit;
1783 r->is_ipv6 = rules[i].is_ipv6;
1784 memcpy (&r->src_mac, rules[i].src_mac, 6);
1785 memcpy (&r->src_mac_mask, rules[i].src_mac_mask, 6);
1786 if (rules[i].is_ipv6)
1787 memcpy (&r->src_ip_addr.ip6, rules[i].src_ip_addr, 16);
1789 memcpy (&r->src_ip_addr.ip4, rules[i].src_ip_addr, 4);
1790 r->src_prefixlen = rules[i].src_ip_prefix_len;
1793 if (~0 == *acl_list_index)
1796 pool_get_aligned (am->macip_acls, a, CLIB_CACHE_LINE_BYTES);
1797 clib_memset (a, 0, sizeof (*a));
1798 /* Will return the newly allocated ACL index */
1799 *acl_list_index = a - am->macip_acls;
1803 a = pool_elt_at_index (am->macip_acls, *acl_list_index);
1806 vec_free (a->rules);
1808 macip_destroy_classify_tables (am, *acl_list_index);
1811 a->rules = acl_new_rules;
1813 memcpy (a->tag, tag, sizeof (a->tag));
1815 /* Create and populate the classifier tables */
1816 macip_create_classify_tables (am, *acl_list_index);
1817 clib_mem_set_heap (oldheap);
1818 /* If the ACL was already applied somewhere, reapply the newly created tables */
1820 || macip_maybe_apply_unapply_classifier_tables (am, *acl_list_index, 1);
1824 /* No check that sw_if_index denotes a valid interface - the callers
1825 * were supposed to validate.
1827 * That said, if sw_if_index corresponds to an interface that exists at all,
1828 * this function must return errors accordingly if the ACL is not applied.
1832 macip_acl_interface_del_acl (acl_main_t * am, u32 sw_if_index)
1835 u32 macip_acl_index;
1836 macip_acl_list_t *a;
1838 /* The vector is too short - MACIP ACL is not applied */
1839 if (sw_if_index >= vec_len (am->macip_acl_by_sw_if_index))
1840 return VNET_API_ERROR_NO_SUCH_ENTRY;
1842 macip_acl_index = am->macip_acl_by_sw_if_index[sw_if_index];
1843 /* No point in deleting MACIP ACL which is not applied */
1844 if (~0 == macip_acl_index)
1845 return VNET_API_ERROR_NO_SUCH_ENTRY;
1847 a = pool_elt_at_index (am->macip_acls, macip_acl_index);
1848 /* remove the classifier tables off the interface L2 ACL */
1850 vnet_set_input_acl_intfc (am->vlib_main, sw_if_index, a->ip4_table_index,
1851 a->ip6_table_index, a->l2_table_index, 0);
1853 vnet_set_output_acl_intfc (am->vlib_main, sw_if_index,
1854 a->out_ip4_table_index, a->out_ip6_table_index,
1855 a->out_l2_table_index, 0);
1856 /* Unset the MACIP ACL index */
1857 am->macip_acl_by_sw_if_index[sw_if_index] = ~0;
1858 /* macip_acl_interface_add_acl did a vec_add1() to this previously, so [sw_if_index] should be valid */
1859 u32 index = vec_search (am->sw_if_index_vec_by_macip_acl[macip_acl_index],
1862 vec_del1 (am->sw_if_index_vec_by_macip_acl[macip_acl_index], index);
1866 /* No check for validity of sw_if_index - the callers were supposed to validate */
1869 macip_acl_interface_add_acl (acl_main_t * am, u32 sw_if_index,
1870 u32 macip_acl_index)
1872 macip_acl_list_t *a;
1874 if (pool_is_free_index (am->macip_acls, macip_acl_index))
1876 return VNET_API_ERROR_NO_SUCH_ENTRY;
1878 void *oldheap = acl_set_heap (am);
1879 a = pool_elt_at_index (am->macip_acls, macip_acl_index);
1880 vec_validate_init_empty (am->macip_acl_by_sw_if_index, sw_if_index, ~0);
1881 vec_validate (am->sw_if_index_vec_by_macip_acl, macip_acl_index);
1882 vec_add1 (am->sw_if_index_vec_by_macip_acl[macip_acl_index], sw_if_index);
1883 clib_mem_set_heap (oldheap);
1884 /* If there already a MACIP ACL applied, unapply it */
1885 if (~0 != am->macip_acl_by_sw_if_index[sw_if_index])
1886 macip_acl_interface_del_acl (am, sw_if_index);
1887 am->macip_acl_by_sw_if_index[sw_if_index] = macip_acl_index;
1889 /* Apply the classifier tables for L2 ACLs */
1891 vnet_set_input_acl_intfc (am->vlib_main, sw_if_index, a->ip4_table_index,
1892 a->ip6_table_index, a->l2_table_index, 1);
1894 vnet_set_output_acl_intfc (am->vlib_main, sw_if_index,
1895 a->out_ip4_table_index, a->out_ip6_table_index,
1896 a->out_l2_table_index, 1);
1901 macip_acl_del_list (u32 acl_list_index)
1903 acl_main_t *am = &acl_main;
1904 macip_acl_list_t *a;
1906 if (pool_is_free_index (am->macip_acls, acl_list_index))
1908 return VNET_API_ERROR_NO_SUCH_ENTRY;
1911 /* delete any references to the ACL */
1912 for (i = 0; i < vec_len (am->macip_acl_by_sw_if_index); i++)
1914 if (am->macip_acl_by_sw_if_index[i] == acl_list_index)
1916 macip_acl_interface_del_acl (am, i);
1920 void *oldheap = acl_set_heap (am);
1921 /* Now that classifier tables are detached, clean them up */
1922 macip_destroy_classify_tables (am, acl_list_index);
1924 /* now we can delete the ACL itself */
1925 a = pool_elt_at_index (am->macip_acls, acl_list_index);
1928 vec_free (a->rules);
1930 pool_put (am->macip_acls, a);
1931 clib_mem_set_heap (oldheap);
1937 macip_acl_interface_add_del_acl (u32 sw_if_index, u8 is_add,
1940 acl_main_t *am = &acl_main;
1944 rv = macip_acl_interface_add_acl (am, sw_if_index, acl_list_index);
1948 rv = macip_acl_interface_del_acl (am, sw_if_index);
1954 * If the client does not allocate enough memory for a variable-length
1955 * message, and then proceed to use it as if the full memory allocated,
1956 * absent the check we happily consume that on the VPP side, and go
1957 * along as if nothing happened. However, the resulting
1958 * effects range from just garbage in the API decode
1959 * (because the decoder snoops too far), to potential memory
1962 * This verifies that the actual length of the message is
1963 * at least expected_len, and complains loudly if it is not.
1965 * A failing check here is 100% a software bug on the API user side,
1966 * so we might as well yell.
1970 verify_message_len (void *mp, u32 expected_len, char *where)
1972 u32 supplied_len = vl_msg_api_get_msg_length (mp);
1973 if (supplied_len < expected_len)
1975 clib_warning ("%s: Supplied message length %d is less than expected %d",
1976 where, supplied_len, expected_len);
1985 /* API message handler */
1987 vl_api_acl_add_replace_t_handler (vl_api_acl_add_replace_t * mp)
1989 vl_api_acl_add_replace_reply_t *rmp;
1990 acl_main_t *am = &acl_main;
1992 u32 acl_list_index = ntohl (mp->acl_index);
1993 u32 acl_count = ntohl (mp->count);
1994 u32 expected_len = sizeof (*mp) + acl_count * sizeof (mp->r[0]);
1996 if (verify_message_len (mp, expected_len, "acl_add_replace"))
1998 rv = acl_add_list (acl_count, mp->r, &acl_list_index, mp->tag);
2002 rv = VNET_API_ERROR_INVALID_VALUE;
2006 REPLY_MACRO2(VL_API_ACL_ADD_REPLACE_REPLY,
2008 rmp->acl_index = htonl(acl_list_index);
2014 vl_api_acl_del_t_handler (vl_api_acl_del_t * mp)
2016 acl_main_t *am = &acl_main;
2017 vl_api_acl_del_reply_t *rmp;
2020 rv = acl_del_list (ntohl (mp->acl_index));
2022 REPLY_MACRO (VL_API_ACL_DEL_REPLY);
2027 vl_api_acl_stats_intf_counters_enable_t_handler
2028 (vl_api_acl_stats_intf_counters_enable_t * mp)
2030 acl_main_t *am = &acl_main;
2031 vl_api_acl_stats_intf_counters_enable_reply_t *rmp;
2034 rv = acl_stats_intf_counters_enable_disable (am, mp->enable);
2036 REPLY_MACRO (VL_API_ACL_DEL_REPLY);
2041 vl_api_acl_interface_add_del_t_handler (vl_api_acl_interface_add_del_t * mp)
2043 acl_main_t *am = &acl_main;
2044 vnet_interface_main_t *im = &am->vnet_main->interface_main;
2045 u32 sw_if_index = ntohl (mp->sw_if_index);
2046 vl_api_acl_interface_add_del_reply_t *rmp;
2049 if (pool_is_free_index (im->sw_interfaces, sw_if_index))
2050 rv = VNET_API_ERROR_INVALID_SW_IF_INDEX;
2053 acl_interface_add_del_inout_acl (sw_if_index, mp->is_add,
2054 mp->is_input, ntohl (mp->acl_index));
2056 REPLY_MACRO (VL_API_ACL_INTERFACE_ADD_DEL_REPLY);
2060 vl_api_acl_interface_set_acl_list_t_handler
2061 (vl_api_acl_interface_set_acl_list_t * mp)
2063 acl_main_t *am = &acl_main;
2064 vl_api_acl_interface_set_acl_list_reply_t *rmp;
2067 vnet_interface_main_t *im = &am->vnet_main->interface_main;
2068 u32 sw_if_index = ntohl (mp->sw_if_index);
2070 if (pool_is_free_index (im->sw_interfaces, sw_if_index))
2071 rv = VNET_API_ERROR_INVALID_SW_IF_INDEX;
2074 int may_clear_sessions = 1;
2075 for (i = 0; i < mp->count; i++)
2077 if (acl_is_not_defined (am, ntohl (mp->acls[i])))
2079 /* ACL does not exist, so we can not apply it */
2080 rv = VNET_API_ERROR_NO_SUCH_ENTRY;
2085 void *oldheap = acl_set_heap (am);
2087 u32 *in_acl_vec = 0;
2088 u32 *out_acl_vec = 0;
2089 for (i = 0; i < mp->count; i++)
2090 if (i < mp->n_input)
2091 vec_add1 (in_acl_vec, clib_net_to_host_u32 (mp->acls[i]));
2093 vec_add1 (out_acl_vec, clib_net_to_host_u32 (mp->acls[i]));
2096 acl_interface_set_inout_acl_list (am, sw_if_index, 0, out_acl_vec,
2097 &may_clear_sessions);
2099 || acl_interface_set_inout_acl_list (am, sw_if_index, 1,
2101 &may_clear_sessions);
2102 vec_free (in_acl_vec);
2103 vec_free (out_acl_vec);
2104 clib_mem_set_heap (oldheap);
2108 REPLY_MACRO (VL_API_ACL_INTERFACE_SET_ACL_LIST_REPLY);
2112 copy_acl_rule_to_api_rule (vl_api_acl_rule_t * api_rule, acl_rule_t * r)
2114 api_rule->is_permit = r->is_permit;
2115 api_rule->is_ipv6 = r->is_ipv6;
2118 memcpy (api_rule->src_ip_addr, &r->src, sizeof (r->src));
2119 memcpy (api_rule->dst_ip_addr, &r->dst, sizeof (r->dst));
2123 memcpy (api_rule->src_ip_addr, &r->src.ip4, sizeof (r->src.ip4));
2124 memcpy (api_rule->dst_ip_addr, &r->dst.ip4, sizeof (r->dst.ip4));
2126 api_rule->src_ip_prefix_len = r->src_prefixlen;
2127 api_rule->dst_ip_prefix_len = r->dst_prefixlen;
2128 api_rule->proto = r->proto;
2129 api_rule->srcport_or_icmptype_first = htons (r->src_port_or_type_first);
2130 api_rule->srcport_or_icmptype_last = htons (r->src_port_or_type_last);
2131 api_rule->dstport_or_icmpcode_first = htons (r->dst_port_or_code_first);
2132 api_rule->dstport_or_icmpcode_last = htons (r->dst_port_or_code_last);
2133 api_rule->tcp_flags_mask = r->tcp_flags_mask;
2134 api_rule->tcp_flags_value = r->tcp_flags_value;
2138 send_acl_details (acl_main_t * am, vl_api_registration_t * reg,
2139 acl_list_t * acl, u32 context)
2141 vl_api_acl_details_t *mp;
2142 vl_api_acl_rule_t *rules;
2144 acl_rule_t *acl_rules = acl->rules;
2145 int msg_size = sizeof (*mp) + sizeof (mp->r[0]) * vec_len (acl_rules);
2146 void *oldheap = acl_set_heap (am);
2148 mp = vl_msg_api_alloc (msg_size);
2149 clib_memset (mp, 0, msg_size);
2150 mp->_vl_msg_id = ntohs (VL_API_ACL_DETAILS + am->msg_id_base);
2152 /* fill in the message */
2153 mp->context = context;
2154 mp->count = htonl (vec_len (acl_rules));
2155 mp->acl_index = htonl (acl - am->acls);
2156 memcpy (mp->tag, acl->tag, sizeof (mp->tag));
2157 // clib_memcpy (mp->r, acl->rules, acl->count * sizeof(acl->rules[0]));
2159 for (i = 0; i < vec_len (acl_rules); i++)
2161 copy_acl_rule_to_api_rule (&rules[i], &acl_rules[i]);
2164 clib_mem_set_heap (oldheap);
2165 vl_api_send_msg (reg, (u8 *) mp);
2170 vl_api_acl_dump_t_handler (vl_api_acl_dump_t * mp)
2172 acl_main_t *am = &acl_main;
2176 vl_api_registration_t *reg;
2178 reg = vl_api_client_index_to_registration (mp->client_index);
2182 if (mp->acl_index == ~0)
2185 /* Just dump all ACLs */
2186 pool_foreach (acl, am->acls,
2188 send_acl_details(am, reg, acl, mp->context);
2194 acl_index = ntohl (mp->acl_index);
2195 if (!pool_is_free_index (am->acls, acl_index))
2197 acl = pool_elt_at_index (am->acls, acl_index);
2198 send_acl_details (am, reg, acl, mp->context);
2204 /* FIXME API: should we signal an error here at all ? */
2210 send_acl_interface_list_details (acl_main_t * am,
2211 vl_api_registration_t * reg,
2212 u32 sw_if_index, u32 context)
2214 vl_api_acl_interface_list_details_t *mp;
2220 void *oldheap = acl_set_heap (am);
2222 vec_validate (am->input_acl_vec_by_sw_if_index, sw_if_index);
2223 vec_validate (am->output_acl_vec_by_sw_if_index, sw_if_index);
2225 clib_mem_set_heap (oldheap);
2227 n_input = vec_len (am->input_acl_vec_by_sw_if_index[sw_if_index]);
2228 n_output = vec_len (am->output_acl_vec_by_sw_if_index[sw_if_index]);
2229 count = n_input + n_output;
2231 msg_size = sizeof (*mp);
2232 msg_size += sizeof (mp->acls[0]) * count;
2234 mp = vl_msg_api_alloc (msg_size);
2235 clib_memset (mp, 0, msg_size);
2237 ntohs (VL_API_ACL_INTERFACE_LIST_DETAILS + am->msg_id_base);
2239 /* fill in the message */
2240 mp->context = context;
2241 mp->sw_if_index = htonl (sw_if_index);
2243 mp->n_input = n_input;
2244 for (i = 0; i < n_input; i++)
2246 mp->acls[i] = htonl (am->input_acl_vec_by_sw_if_index[sw_if_index][i]);
2248 for (i = 0; i < n_output; i++)
2250 mp->acls[n_input + i] =
2251 htonl (am->output_acl_vec_by_sw_if_index[sw_if_index][i]);
2253 vl_api_send_msg (reg, (u8 *) mp);
2257 vl_api_acl_interface_list_dump_t_handler (vl_api_acl_interface_list_dump_t *
2260 acl_main_t *am = &acl_main;
2261 vnet_sw_interface_t *swif;
2262 vnet_interface_main_t *im = &am->vnet_main->interface_main;
2265 vl_api_registration_t *reg;
2267 reg = vl_api_client_index_to_registration (mp->client_index);
2271 if (mp->sw_if_index == ~0)
2274 pool_foreach (swif, im->sw_interfaces,
2276 send_acl_interface_list_details(am, reg, swif->sw_if_index, mp->context);
2282 sw_if_index = ntohl (mp->sw_if_index);
2283 if (!pool_is_free_index (im->sw_interfaces, sw_if_index))
2284 send_acl_interface_list_details (am, reg, sw_if_index, mp->context);
2288 /* MACIP ACL API handlers */
2291 vl_api_macip_acl_add_t_handler (vl_api_macip_acl_add_t * mp)
2293 vl_api_macip_acl_add_reply_t *rmp;
2294 acl_main_t *am = &acl_main;
2296 u32 acl_list_index = ~0;
2297 u32 acl_count = ntohl (mp->count);
2298 u32 expected_len = sizeof (*mp) + acl_count * sizeof (mp->r[0]);
2300 if (verify_message_len (mp, expected_len, "macip_acl_add"))
2302 rv = macip_acl_add_list (acl_count, mp->r, &acl_list_index, mp->tag);
2306 rv = VNET_API_ERROR_INVALID_VALUE;
2310 REPLY_MACRO2(VL_API_MACIP_ACL_ADD_REPLY,
2312 rmp->acl_index = htonl(acl_list_index);
2318 vl_api_macip_acl_add_replace_t_handler (vl_api_macip_acl_add_replace_t * mp)
2320 vl_api_macip_acl_add_replace_reply_t *rmp;
2321 acl_main_t *am = &acl_main;
2323 u32 acl_list_index = ntohl (mp->acl_index);
2324 u32 acl_count = ntohl (mp->count);
2325 u32 expected_len = sizeof (*mp) + acl_count * sizeof (mp->r[0]);
2327 if (verify_message_len (mp, expected_len, "macip_acl_add_replace"))
2329 rv = macip_acl_add_list (acl_count, mp->r, &acl_list_index, mp->tag);
2333 rv = VNET_API_ERROR_INVALID_VALUE;
2337 REPLY_MACRO2(VL_API_MACIP_ACL_ADD_REPLACE_REPLY,
2339 rmp->acl_index = htonl(acl_list_index);
2345 vl_api_macip_acl_del_t_handler (vl_api_macip_acl_del_t * mp)
2347 acl_main_t *am = &acl_main;
2348 vl_api_macip_acl_del_reply_t *rmp;
2351 rv = macip_acl_del_list (ntohl (mp->acl_index));
2353 REPLY_MACRO (VL_API_MACIP_ACL_DEL_REPLY);
2357 vl_api_macip_acl_interface_add_del_t_handler
2358 (vl_api_macip_acl_interface_add_del_t * mp)
2360 acl_main_t *am = &acl_main;
2361 vl_api_macip_acl_interface_add_del_reply_t *rmp;
2363 vnet_interface_main_t *im = &am->vnet_main->interface_main;
2364 u32 sw_if_index = ntohl (mp->sw_if_index);
2366 if (pool_is_free_index (im->sw_interfaces, sw_if_index))
2367 rv = VNET_API_ERROR_INVALID_SW_IF_INDEX;
2370 macip_acl_interface_add_del_acl (ntohl (mp->sw_if_index), mp->is_add,
2371 ntohl (mp->acl_index));
2373 REPLY_MACRO (VL_API_MACIP_ACL_INTERFACE_ADD_DEL_REPLY);
2377 send_macip_acl_details (acl_main_t * am, vl_api_registration_t * reg,
2378 macip_acl_list_t * acl, u32 context)
2380 vl_api_macip_acl_details_t *mp;
2381 vl_api_macip_acl_rule_t *rules;
2382 macip_acl_rule_t *r;
2384 int msg_size = sizeof (*mp) + (acl ? sizeof (mp->r[0]) * acl->count : 0);
2386 mp = vl_msg_api_alloc (msg_size);
2387 clib_memset (mp, 0, msg_size);
2388 mp->_vl_msg_id = ntohs (VL_API_MACIP_ACL_DETAILS + am->msg_id_base);
2390 /* fill in the message */
2391 mp->context = context;
2394 memcpy (mp->tag, acl->tag, sizeof (mp->tag));
2395 mp->count = htonl (acl->count);
2396 mp->acl_index = htonl (acl - am->macip_acls);
2398 for (i = 0; i < acl->count; i++)
2401 rules[i].is_permit = r->is_permit;
2402 rules[i].is_ipv6 = r->is_ipv6;
2403 memcpy (rules[i].src_mac, &r->src_mac, sizeof (r->src_mac));
2404 memcpy (rules[i].src_mac_mask, &r->src_mac_mask,
2405 sizeof (r->src_mac_mask));
2407 memcpy (rules[i].src_ip_addr, &r->src_ip_addr.ip6,
2408 sizeof (r->src_ip_addr.ip6));
2410 memcpy (rules[i].src_ip_addr, &r->src_ip_addr.ip4,
2411 sizeof (r->src_ip_addr.ip4));
2412 rules[i].src_ip_prefix_len = r->src_prefixlen;
2417 /* No martini, no party - no ACL applied to this interface. */
2422 vl_api_send_msg (reg, (u8 *) mp);
2427 vl_api_macip_acl_dump_t_handler (vl_api_macip_acl_dump_t * mp)
2429 acl_main_t *am = &acl_main;
2430 macip_acl_list_t *acl;
2432 vl_api_registration_t *reg;
2434 reg = vl_api_client_index_to_registration (mp->client_index);
2438 if (mp->acl_index == ~0)
2440 /* Just dump all ACLs for now, with sw_if_index = ~0 */
2441 pool_foreach (acl, am->macip_acls, (
2443 send_macip_acl_details (am, reg,
2452 u32 acl_index = ntohl (mp->acl_index);
2453 if (!pool_is_free_index (am->macip_acls, acl_index))
2455 acl = pool_elt_at_index (am->macip_acls, acl_index);
2456 send_macip_acl_details (am, reg, acl, mp->context);
2462 vl_api_macip_acl_interface_get_t_handler (vl_api_macip_acl_interface_get_t *
2465 acl_main_t *am = &acl_main;
2466 vl_api_macip_acl_interface_get_reply_t *rmp;
2467 u32 count = vec_len (am->macip_acl_by_sw_if_index);
2468 int msg_size = sizeof (*rmp) + sizeof (rmp->acls[0]) * count;
2469 vl_api_registration_t *reg;
2472 reg = vl_api_client_index_to_registration (mp->client_index);
2476 rmp = vl_msg_api_alloc (msg_size);
2477 clib_memset (rmp, 0, msg_size);
2479 ntohs (VL_API_MACIP_ACL_INTERFACE_GET_REPLY + am->msg_id_base);
2480 rmp->context = mp->context;
2481 rmp->count = htonl (count);
2482 for (i = 0; i < count; i++)
2484 rmp->acls[i] = htonl (am->macip_acl_by_sw_if_index[i]);
2487 vl_api_send_msg (reg, (u8 *) rmp);
2491 send_macip_acl_interface_list_details (acl_main_t * am,
2492 vl_api_registration_t * reg,
2494 u32 acl_index, u32 context)
2496 vl_api_macip_acl_interface_list_details_t *rmp;
2497 /* at this time there is only ever 1 mac ip acl per interface */
2498 int msg_size = sizeof (*rmp) + sizeof (rmp->acls[0]);
2500 rmp = vl_msg_api_alloc (msg_size);
2501 clib_memset (rmp, 0, msg_size);
2503 ntohs (VL_API_MACIP_ACL_INTERFACE_LIST_DETAILS + am->msg_id_base);
2505 /* fill in the message */
2506 rmp->context = context;
2508 rmp->sw_if_index = htonl (sw_if_index);
2509 rmp->acls[0] = htonl (acl_index);
2511 vl_api_send_msg (reg, (u8 *) rmp);
2515 vl_api_macip_acl_interface_list_dump_t_handler
2516 (vl_api_macip_acl_interface_list_dump_t * mp)
2518 vl_api_registration_t *reg;
2519 acl_main_t *am = &acl_main;
2520 u32 sw_if_index = ntohl (mp->sw_if_index);
2522 reg = vl_api_client_index_to_registration (mp->client_index);
2526 if (sw_if_index == ~0)
2528 vec_foreach_index (sw_if_index, am->macip_acl_by_sw_if_index)
2530 if (~0 != am->macip_acl_by_sw_if_index[sw_if_index])
2532 send_macip_acl_interface_list_details (am, reg, sw_if_index,
2533 am->macip_acl_by_sw_if_index
2541 if (vec_len (am->macip_acl_by_sw_if_index) > sw_if_index)
2543 send_macip_acl_interface_list_details (am, reg, sw_if_index,
2544 am->macip_acl_by_sw_if_index
2545 [sw_if_index], mp->context);
2551 vl_api_acl_interface_set_etype_whitelist_t_handler
2552 (vl_api_acl_interface_set_etype_whitelist_t * mp)
2554 acl_main_t *am = &acl_main;
2555 vl_api_acl_interface_set_etype_whitelist_reply_t *rmp;
2558 vnet_interface_main_t *im = &am->vnet_main->interface_main;
2559 u32 sw_if_index = ntohl (mp->sw_if_index);
2560 u16 *vec_in = 0, *vec_out = 0;
2561 void *oldheap = acl_set_heap (am);
2563 if (pool_is_free_index (im->sw_interfaces, sw_if_index))
2564 rv = VNET_API_ERROR_INVALID_SW_IF_INDEX;
2567 for (i = 0; i < mp->count; i++)
2569 if (i < mp->n_input)
2570 vec_add1 (vec_in, ntohs (mp->whitelist[i]));
2572 vec_add1 (vec_out, ntohs (mp->whitelist[i]));
2574 rv = acl_set_etype_whitelists (am, sw_if_index, vec_in, vec_out);
2577 clib_mem_set_heap (oldheap);
2578 REPLY_MACRO (VL_API_ACL_INTERFACE_SET_ETYPE_WHITELIST_REPLY);
2582 send_acl_interface_etype_whitelist_details (acl_main_t * am,
2583 vl_api_registration_t * reg,
2584 u32 sw_if_index, u32 context)
2586 vl_api_acl_interface_etype_whitelist_details_t *mp;
2593 u16 *whitelist_in = 0;
2594 u16 *whitelist_out = 0;
2596 if (intf_has_etype_whitelist (am, sw_if_index, 0))
2598 vec_elt (am->output_etype_whitelist_by_sw_if_index, sw_if_index);
2600 if (intf_has_etype_whitelist (am, sw_if_index, 1))
2602 vec_elt (am->input_etype_whitelist_by_sw_if_index, sw_if_index);
2604 if ((0 == whitelist_in) && (0 == whitelist_out))
2605 return; /* nothing to do */
2607 void *oldheap = acl_set_heap (am);
2609 n_input = vec_len (whitelist_in);
2610 n_output = vec_len (whitelist_out);
2611 count = n_input + n_output;
2613 msg_size = sizeof (*mp);
2614 msg_size += sizeof (mp->whitelist[0]) * count;
2616 mp = vl_msg_api_alloc (msg_size);
2617 clib_memset (mp, 0, msg_size);
2619 ntohs (VL_API_ACL_INTERFACE_ETYPE_WHITELIST_DETAILS + am->msg_id_base);
2621 /* fill in the message */
2622 mp->context = context;
2623 mp->sw_if_index = htonl (sw_if_index);
2625 mp->n_input = n_input;
2626 for (i = 0; i < n_input; i++)
2628 mp->whitelist[i] = htons (whitelist_in[i]);
2630 for (i = 0; i < n_output; i++)
2632 mp->whitelist[n_input + i] = htons (whitelist_out[i]);
2634 clib_mem_set_heap (oldheap);
2635 vl_api_send_msg (reg, (u8 *) mp);
2640 vl_api_acl_interface_etype_whitelist_dump_t_handler
2641 (vl_api_acl_interface_list_dump_t * mp)
2643 acl_main_t *am = &acl_main;
2644 vnet_sw_interface_t *swif;
2645 vnet_interface_main_t *im = &am->vnet_main->interface_main;
2648 vl_api_registration_t *reg;
2650 reg = vl_api_client_index_to_registration (mp->client_index);
2654 if (mp->sw_if_index == ~0)
2657 pool_foreach (swif, im->sw_interfaces,
2659 send_acl_interface_etype_whitelist_details(am, reg, swif->sw_if_index, mp->context);
2665 sw_if_index = ntohl (mp->sw_if_index);
2666 if (!pool_is_free_index (im->sw_interfaces, sw_if_index))
2667 send_acl_interface_etype_whitelist_details (am, reg, sw_if_index,
2674 /* Set up the API message handling tables */
2675 static clib_error_t *
2676 acl_plugin_api_hookup (vlib_main_t * vm)
2678 acl_main_t *am = &acl_main;
2680 vl_msg_api_set_handlers((VL_API_##N + am->msg_id_base), \
2682 vl_api_##n##_t_handler, \
2684 vl_api_##n##_t_endian, \
2685 vl_api_##n##_t_print, \
2686 sizeof(vl_api_##n##_t), 1);
2687 foreach_acl_plugin_api_msg;
2693 #define vl_msg_name_crc_list
2694 #include <acl/acl_all_api_h.h>
2695 #undef vl_msg_name_crc_list
2698 setup_message_id_table (acl_main_t * am, api_main_t * apim)
2700 #define _(id,n,crc) \
2701 vl_msg_api_add_msg_name_crc (apim, #n "_" #crc, id + am->msg_id_base);
2702 foreach_vl_msg_name_crc_acl;
2707 acl_set_timeout_sec (int timeout_type, u32 value)
2709 acl_main_t *am = &acl_main;
2710 clib_time_t *ct = &am->vlib_main->clib_time;
2712 if (timeout_type < ACL_N_TIMEOUTS)
2714 am->session_timeout_sec[timeout_type] = value;
2718 clib_warning ("Unknown timeout type %d", timeout_type);
2721 am->session_timeout[timeout_type] =
2722 (u64) (((f64) value) / ct->seconds_per_clock);
2726 acl_set_session_max_entries (u32 value)
2728 acl_main_t *am = &acl_main;
2729 am->fa_conn_table_max_entries = value;
2733 acl_set_skip_ipv6_eh (u32 eh, u32 value)
2735 acl_main_t *am = &acl_main;
2737 if ((eh < 256) && (value < 2))
2739 am->fa_ipv6_known_eh_bitmap =
2740 clib_bitmap_set (am->fa_ipv6_known_eh_bitmap, eh, value);
2748 static clib_error_t *
2749 acl_sw_interface_add_del (vnet_main_t * vnm, u32 sw_if_index, u32 is_add)
2751 acl_main_t *am = &acl_main;
2752 if (0 == am->acl_mheap)
2754 /* ACL heap is not initialized, so definitely nothing to do. */
2759 int may_clear_sessions = 1;
2760 vlib_process_signal_event (am->vlib_main, am->fa_cleaner_node_index,
2761 ACL_FA_CLEANER_DELETE_BY_SW_IF_INDEX,
2763 /* also unapply any ACLs in case the users did not do so. */
2764 macip_acl_interface_del_acl (am, sw_if_index);
2765 acl_interface_reset_inout_acls (sw_if_index, 0, &may_clear_sessions);
2766 acl_interface_reset_inout_acls (sw_if_index, 1, &may_clear_sessions);
2771 VNET_SW_INTERFACE_ADD_DEL_FUNCTION (acl_sw_interface_add_del);
2775 static clib_error_t *
2776 acl_set_aclplugin_fn (vlib_main_t * vm,
2777 unformat_input_t * input, vlib_cli_command_t * cmd)
2779 clib_error_t *error = 0;
2783 uword memory_size = 0;
2784 acl_main_t *am = &acl_main;
2786 if (unformat (input, "skip-ipv6-extension-header %u %u", &eh_val, &val))
2788 if (!acl_set_skip_ipv6_eh (eh_val, val))
2790 error = clib_error_return (0, "expecting eh=0..255, value=0..1");
2794 if (unformat (input, "use-hash-acl-matching %u", &val))
2796 am->use_hash_acl_matching = (val != 0);
2799 if (unformat (input, "l4-match-nonfirst-fragment %u", &val))
2801 am->l4_match_nonfirst_fragment = (val != 0);
2804 if (unformat (input, "reclassify-sessions %u", &val))
2806 am->reclassify_sessions = (val != 0);
2809 if (unformat (input, "event-trace"))
2811 if (!unformat (input, "%u", &val))
2813 error = clib_error_return (0,
2814 "expecting trace level, got `%U`",
2815 format_unformat_error, input);
2820 am->trace_acl = val;
2824 if (unformat (input, "heap"))
2826 if (unformat (input, "main"))
2828 if (unformat (input, "validate %u", &val))
2829 acl_plugin_acl_set_validate_heap (am, val);
2830 else if (unformat (input, "trace %u", &val))
2831 acl_plugin_acl_set_trace_heap (am, val);
2834 else if (unformat (input, "hash"))
2836 if (unformat (input, "validate %u", &val))
2837 acl_plugin_hash_acl_set_validate_heap (val);
2838 else if (unformat (input, "trace %u", &val))
2839 acl_plugin_hash_acl_set_trace_heap (val);
2844 if (unformat (input, "session"))
2846 if (unformat (input, "table"))
2848 /* The commands here are for tuning/testing. No user-serviceable parts inside */
2849 if (unformat (input, "max-entries"))
2851 if (!unformat (input, "%u", &val))
2853 error = clib_error_return (0,
2854 "expecting maximum number of entries, got `%U`",
2855 format_unformat_error, input);
2860 acl_set_session_max_entries (val);
2864 if (unformat (input, "hash-table-buckets"))
2866 if (!unformat (input, "%u", &val))
2868 error = clib_error_return (0,
2869 "expecting maximum number of hash table buckets, got `%U`",
2870 format_unformat_error, input);
2875 am->fa_conn_table_hash_num_buckets = val;
2879 if (unformat (input, "hash-table-memory"))
2881 if (!unformat (input, "%U", unformat_memory_size, &memory_size))
2883 error = clib_error_return (0,
2884 "expecting maximum amount of hash table memory, got `%U`",
2885 format_unformat_error, input);
2890 am->fa_conn_table_hash_memory_size = memory_size;
2894 if (unformat (input, "event-trace"))
2896 if (!unformat (input, "%u", &val))
2898 error = clib_error_return (0,
2899 "expecting trace level, got `%U`",
2900 format_unformat_error, input);
2905 am->trace_sessions = val;
2911 if (unformat (input, "timeout"))
2913 if (unformat (input, "udp"))
2915 if (unformat (input, "idle"))
2917 if (!unformat (input, "%u", &timeout))
2919 error = clib_error_return (0,
2920 "expecting timeout value in seconds, got `%U`",
2921 format_unformat_error,
2927 acl_set_timeout_sec (ACL_TIMEOUT_UDP_IDLE, timeout);
2932 if (unformat (input, "tcp"))
2934 if (unformat (input, "idle"))
2936 if (!unformat (input, "%u", &timeout))
2938 error = clib_error_return (0,
2939 "expecting timeout value in seconds, got `%U`",
2940 format_unformat_error,
2946 acl_set_timeout_sec (ACL_TIMEOUT_TCP_IDLE, timeout);
2950 if (unformat (input, "transient"))
2952 if (!unformat (input, "%u", &timeout))
2954 error = clib_error_return (0,
2955 "expecting timeout value in seconds, got `%U`",
2956 format_unformat_error,
2962 acl_set_timeout_sec (ACL_TIMEOUT_TCP_TRANSIENT,
2976 my_format_mac_address (u8 * s, va_list * args)
2978 u8 *a = va_arg (*args, u8 *);
2979 return format (s, "%02x:%02x:%02x:%02x:%02x:%02x",
2980 a[0], a[1], a[2], a[3], a[4], a[5]);
2984 my_macip_acl_rule_t_pretty_format (u8 * out, va_list * args)
2986 macip_acl_rule_t *a = va_arg (*args, macip_acl_rule_t *);
2988 out = format (out, "%s action %d ip %U/%d mac %U mask %U",
2989 a->is_ipv6 ? "ipv6" : "ipv4", a->is_permit,
2990 format_ip46_address, &a->src_ip_addr,
2991 a->is_ipv6 ? IP46_TYPE_IP6 : IP46_TYPE_IP4,
2993 my_format_mac_address, a->src_mac,
2994 my_format_mac_address, a->src_mac_mask);
2999 macip_acl_print (acl_main_t * am, u32 macip_acl_index)
3001 vlib_main_t *vm = am->vlib_main;
3004 /* Don't try to print someone else's memory */
3005 if (macip_acl_index >= vec_len (am->macip_acls))
3008 macip_acl_list_t *a = vec_elt_at_index (am->macip_acls, macip_acl_index);
3009 int free_pool_slot = pool_is_free_index (am->macip_acls, macip_acl_index);
3011 vlib_cli_output (vm,
3012 "MACIP acl_index: %d, count: %d (true len %d) tag {%s} is free pool slot: %d\n",
3013 macip_acl_index, a->count, vec_len (a->rules), a->tag,
3015 vlib_cli_output (vm,
3016 " ip4_table_index %d, ip6_table_index %d, l2_table_index %d\n",
3017 a->ip4_table_index, a->ip6_table_index, a->l2_table_index);
3018 vlib_cli_output (vm,
3019 " out_ip4_table_index %d, out_ip6_table_index %d, out_l2_table_index %d\n",
3020 a->out_ip4_table_index, a->out_ip6_table_index,
3021 a->out_l2_table_index);
3022 for (i = 0; i < vec_len (a->rules); i++)
3023 vlib_cli_output (vm, " rule %d: %U\n", i,
3024 my_macip_acl_rule_t_pretty_format,
3025 vec_elt_at_index (a->rules, i));
3029 static clib_error_t *
3030 acl_show_aclplugin_macip_acl_fn (vlib_main_t * vm,
3032 input, vlib_cli_command_t * cmd)
3034 clib_error_t *error = 0;
3035 acl_main_t *am = &acl_main;
3039 (void) unformat (input, "index %u", &acl_index);
3041 for (i = 0; i < vec_len (am->macip_acls); i++)
3043 /* Don't attempt to show the ACLs that do not exist */
3044 if (pool_is_free_index (am->macip_acls, i))
3047 if ((acl_index != ~0) && (acl_index != i))
3052 macip_acl_print (am, i);
3053 if (i < vec_len (am->sw_if_index_vec_by_macip_acl))
3055 vlib_cli_output (vm, " applied on sw_if_index(s): %U\n",
3057 vec_elt (am->sw_if_index_vec_by_macip_acl, i),
3065 static clib_error_t *
3066 acl_show_aclplugin_macip_interface_fn (vlib_main_t * vm,
3068 input, vlib_cli_command_t * cmd)
3070 clib_error_t *error = 0;
3071 acl_main_t *am = &acl_main;
3073 for (i = 0; i < vec_len (am->macip_acl_by_sw_if_index); i++)
3075 vlib_cli_output (vm, " sw_if_index %d: %d\n", i,
3076 vec_elt (am->macip_acl_by_sw_if_index, i));
3082 acl_plugin_show_acl (acl_main_t * am, u32 acl_index)
3085 vlib_main_t *vm = am->vlib_main;
3087 for (i = 0; i < vec_len (am->acls); i++)
3089 if (acl_is_not_defined (am, i))
3091 /* don't attempt to show the ACLs that do not exist */
3094 if ((acl_index != ~0) && (acl_index != i))
3098 acl_print_acl (vm, am, i);
3100 if (i < vec_len (am->input_sw_if_index_vec_by_acl))
3102 vlib_cli_output (vm, " applied inbound on sw_if_index: %U\n",
3103 format_vec32, am->input_sw_if_index_vec_by_acl[i],
3106 if (i < vec_len (am->output_sw_if_index_vec_by_acl))
3108 vlib_cli_output (vm, " applied outbound on sw_if_index: %U\n",
3109 format_vec32, am->output_sw_if_index_vec_by_acl[i],
3112 if (i < vec_len (am->lc_index_vec_by_acl))
3114 vlib_cli_output (vm, " used in lookup context index: %U\n",
3115 format_vec32, am->lc_index_vec_by_acl[i], "%d");
3120 static clib_error_t *
3121 acl_show_aclplugin_acl_fn (vlib_main_t * vm,
3122 unformat_input_t * input, vlib_cli_command_t * cmd)
3124 clib_error_t *error = 0;
3125 acl_main_t *am = &acl_main;
3128 (void) unformat (input, "index %u", &acl_index);
3130 acl_plugin_show_acl (am, acl_index);
3134 static clib_error_t *
3135 acl_show_aclplugin_lookup_context_fn (vlib_main_t * vm,
3136 unformat_input_t * input,
3137 vlib_cli_command_t * cmd)
3139 clib_error_t *error = 0;
3142 (void) unformat (input, "index %u", &lc_index);
3144 acl_plugin_show_lookup_context (lc_index);
3148 static clib_error_t *
3149 acl_show_aclplugin_lookup_user_fn (vlib_main_t * vm,
3150 unformat_input_t * input,
3151 vlib_cli_command_t * cmd)
3153 clib_error_t *error = 0;
3156 (void) unformat (input, "index %u", &lc_index);
3158 acl_plugin_show_lookup_user (lc_index);
3164 acl_plugin_show_interface (acl_main_t * am, u32 sw_if_index, int show_acl,
3167 vlib_main_t *vm = am->vlib_main;
3170 for (swi = 0; (swi < vec_len (am->input_acl_vec_by_sw_if_index)) ||
3171 (swi < vec_len (am->output_acl_vec_by_sw_if_index)); swi++)
3173 /* if we need a particular interface, skip all the others */
3174 if ((sw_if_index != ~0) && (sw_if_index != swi))
3177 vlib_cli_output (vm, "sw_if_index %d:\n", swi);
3178 if (swi < vec_len (am->input_policy_epoch_by_sw_if_index))
3179 vlib_cli_output (vm, " input policy epoch: %x\n",
3180 vec_elt (am->input_policy_epoch_by_sw_if_index,
3182 if (swi < vec_len (am->output_policy_epoch_by_sw_if_index))
3183 vlib_cli_output (vm, " output policy epoch: %x\n",
3184 vec_elt (am->output_policy_epoch_by_sw_if_index,
3188 if (intf_has_etype_whitelist (am, swi, 1))
3190 vlib_cli_output (vm, " input etype whitelist: %U", format_vec16,
3191 am->input_etype_whitelist_by_sw_if_index[swi],
3194 if (intf_has_etype_whitelist (am, swi, 0))
3196 vlib_cli_output (vm, " output etype whitelist: %U", format_vec16,
3197 am->output_etype_whitelist_by_sw_if_index[swi],
3201 if ((swi < vec_len (am->input_acl_vec_by_sw_if_index)) &&
3202 (vec_len (am->input_acl_vec_by_sw_if_index[swi]) > 0))
3204 vlib_cli_output (vm, " input acl(s): %U", format_vec32,
3205 am->input_acl_vec_by_sw_if_index[swi], "%d");
3208 vlib_cli_output (vm, "\n");
3209 vec_foreach (pj, am->input_acl_vec_by_sw_if_index[swi])
3211 acl_print_acl (vm, am, *pj);
3213 vlib_cli_output (vm, "\n");
3217 if ((swi < vec_len (am->output_acl_vec_by_sw_if_index)) &&
3218 (vec_len (am->output_acl_vec_by_sw_if_index[swi]) > 0))
3220 vlib_cli_output (vm, " output acl(s): %U", format_vec32,
3221 am->output_acl_vec_by_sw_if_index[swi], "%d");
3224 vlib_cli_output (vm, "\n");
3225 vec_foreach (pj, am->output_acl_vec_by_sw_if_index[swi])
3227 acl_print_acl (vm, am, *pj);
3229 vlib_cli_output (vm, "\n");
3232 if (detail && (swi < vec_len (am->input_lc_index_by_sw_if_index)))
3234 vlib_cli_output (vm, " input lookup context index: %d",
3235 am->input_lc_index_by_sw_if_index[swi]);
3237 if (detail && (swi < vec_len (am->output_lc_index_by_sw_if_index)))
3239 vlib_cli_output (vm, " output lookup context index: %d",
3240 am->output_lc_index_by_sw_if_index[swi]);
3247 static clib_error_t *
3248 acl_show_aclplugin_decode_5tuple_fn (vlib_main_t * vm,
3249 unformat_input_t * input,
3250 vlib_cli_command_t * cmd)
3252 clib_error_t *error = 0;
3253 u64 five_tuple[6] = { 0, 0, 0, 0, 0, 0 };
3256 (input, "%llx %llx %llx %llx %llx %llx", &five_tuple[0], &five_tuple[1],
3257 &five_tuple[2], &five_tuple[3], &five_tuple[4], &five_tuple[5]))
3258 vlib_cli_output (vm, "5-tuple structure decode: %U\n\n",
3259 format_acl_plugin_5tuple, five_tuple);
3261 error = clib_error_return (0, "expecting 6 hex integers");
3266 static clib_error_t *
3267 acl_show_aclplugin_interface_fn (vlib_main_t * vm,
3269 input, vlib_cli_command_t * cmd)
3271 clib_error_t *error = 0;
3272 acl_main_t *am = &acl_main;
3274 u32 sw_if_index = ~0;
3275 (void) unformat (input, "sw_if_index %u", &sw_if_index);
3276 int show_acl = unformat (input, "acl");
3277 int detail = unformat (input, "detail");
3279 acl_plugin_show_interface (am, sw_if_index, show_acl, detail);
3283 static clib_error_t *
3284 acl_show_aclplugin_memory_fn (vlib_main_t * vm,
3285 unformat_input_t * input,
3286 vlib_cli_command_t * cmd)
3288 clib_error_t *error = 0;
3289 acl_main_t *am = &acl_main;
3291 vlib_cli_output (vm, "ACL plugin main heap statistics:\n");
3294 vlib_cli_output (vm, " %U\n", format_mheap, am->acl_mheap, 1);
3298 vlib_cli_output (vm, " Not initialized\n");
3300 vlib_cli_output (vm, "ACL hash lookup support heap statistics:\n");
3301 if (am->hash_lookup_mheap)
3303 vlib_cli_output (vm, " %U\n", format_mheap, am->hash_lookup_mheap, 1);
3307 vlib_cli_output (vm, " Not initialized\n");
3313 acl_plugin_show_sessions (acl_main_t * am,
3314 u32 show_session_thread_id,
3315 u32 show_session_session_index)
3317 vlib_main_t *vm = am->vlib_main;
3319 vnet_interface_main_t *im = &am->vnet_main->interface_main;
3320 vnet_sw_interface_t *swif;
3321 u64 now = clib_cpu_time_now ();
3322 u64 clocks_per_second = am->vlib_main->clib_time.clocks_per_second;
3325 u64 n_adds = am->fa_session_total_adds;
3326 u64 n_dels = am->fa_session_total_dels;
3327 u64 n_deact = am->fa_session_total_deactivations;
3328 vlib_cli_output (vm, "Sessions total: add %lu - del %lu = %lu", n_adds,
3329 n_dels, n_adds - n_dels);
3330 vlib_cli_output (vm, "Sessions active: add %lu - deact %lu = %lu", n_adds,
3331 n_deact, n_adds - n_deact);
3332 vlib_cli_output (vm, "Sessions being purged: deact %lu - del %lu = %lu",
3333 n_deact, n_dels, n_deact - n_dels);
3335 vlib_cli_output (vm, "now: %lu clocks per second: %lu", now,
3337 vlib_cli_output (vm, "\n\nPer-thread data:");
3338 for (wk = 0; wk < vec_len (am->per_worker_data); wk++)
3340 acl_fa_per_worker_data_t *pw = &am->per_worker_data[wk];
3341 vlib_cli_output (vm, "Thread #%d:", wk);
3342 if (show_session_thread_id == wk
3343 && show_session_session_index < pool_len (pw->fa_sessions_pool))
3345 vlib_cli_output (vm, " session index %u:",
3346 show_session_session_index);
3347 fa_session_t *sess =
3348 pw->fa_sessions_pool + show_session_session_index;
3349 u64 *m = (u64 *) & sess->info;
3350 vlib_cli_output (vm,
3351 " info: %016llx %016llx %016llx %016llx %016llx %016llx",
3352 m[0], m[1], m[2], m[3], m[4], m[5]);
3353 vlib_cli_output (vm, " sw_if_index: %u", sess->sw_if_index);
3354 vlib_cli_output (vm, " tcp_flags_seen: %x",
3355 sess->tcp_flags_seen.as_u16);
3356 vlib_cli_output (vm, " last active time: %lu",
3357 sess->last_active_time);
3358 vlib_cli_output (vm, " thread index: %u", sess->thread_index);
3359 vlib_cli_output (vm, " link enqueue time: %lu",
3360 sess->link_enqueue_time);
3361 vlib_cli_output (vm, " link next index: %u",
3362 sess->link_next_idx);
3363 vlib_cli_output (vm, " link prev index: %u",
3364 sess->link_prev_idx);
3365 vlib_cli_output (vm, " link list id: %u", sess->link_list_id);
3367 vlib_cli_output (vm, " connection add/del stats:", wk);
3368 pool_foreach (swif, im->sw_interfaces, (
3375 (pw->fa_session_adds_by_sw_if_index)
3377 pw->fa_session_adds_by_sw_if_index
3382 (pw->fa_session_dels_by_sw_if_index)
3384 pw->fa_session_dels_by_sw_if_index
3386 u64 n_epoch_changes =
3389 (pw->fa_session_epoch_change_by_sw_if_index)
3391 pw->fa_session_epoch_change_by_sw_if_index
3393 vlib_cli_output (vm,
3394 " sw_if_index %d: add %lu - del %lu = %lu; epoch chg: %lu",
3404 vlib_cli_output (vm, " connection timeout type lists:", wk);
3406 for (tt = 0; tt < ACL_N_TIMEOUTS; tt++)
3408 u32 head_session_index = pw->fa_conn_list_head[tt];
3409 vlib_cli_output (vm, " fa_conn_list_head[%d]: %d", tt,
3410 head_session_index);
3411 if (~0 != head_session_index)
3413 fa_session_t *sess = pw->fa_sessions_pool + head_session_index;
3414 vlib_cli_output (vm, " last active time: %lu",
3415 sess->last_active_time);
3416 vlib_cli_output (vm, " link enqueue time: %lu",
3417 sess->link_enqueue_time);
3421 vlib_cli_output (vm, " Next expiry time: %lu", pw->next_expiry_time);
3422 vlib_cli_output (vm, " Requeue until time: %lu",
3423 pw->requeue_until_time);
3424 vlib_cli_output (vm, " Current time wait interval: %lu",
3425 pw->current_time_wait_interval);
3426 vlib_cli_output (vm, " Count of deleted sessions: %lu",
3427 pw->cnt_deleted_sessions);
3428 vlib_cli_output (vm, " Delete already deleted: %lu",
3429 pw->cnt_already_deleted_sessions);
3430 vlib_cli_output (vm, " Session timers restarted: %lu",
3431 pw->cnt_session_timer_restarted);
3432 vlib_cli_output (vm, " Swipe until this time: %lu",
3433 pw->swipe_end_time);
3434 vlib_cli_output (vm, " sw_if_index serviced bitmap: %U",
3435 format_bitmap_hex, pw->serviced_sw_if_index_bitmap);
3436 vlib_cli_output (vm, " pending clear intfc bitmap : %U",
3438 pw->pending_clear_sw_if_index_bitmap);
3439 vlib_cli_output (vm, " clear in progress: %u", pw->clear_in_process);
3440 vlib_cli_output (vm, " interrupt is pending: %d",
3441 pw->interrupt_is_pending);
3442 vlib_cli_output (vm, " interrupt is needed: %d",
3443 pw->interrupt_is_needed);
3444 vlib_cli_output (vm, " interrupt is unwanted: %d",
3445 pw->interrupt_is_unwanted);
3446 vlib_cli_output (vm, " interrupt generation: %d",
3447 pw->interrupt_generation);
3448 vlib_cli_output (vm, " received session change requests: %d",
3449 pw->rcvd_session_change_requests);
3450 vlib_cli_output (vm, " sent session change requests: %d",
3451 pw->sent_session_change_requests);
3453 vlib_cli_output (vm, "\n\nConn cleaner thread counters:");
3454 #define _(cnt, desc) vlib_cli_output(vm, " %20lu: %s", am->cnt, desc);
3455 foreach_fa_cleaner_counter;
3457 vlib_cli_output (vm, "Interrupt generation: %d",
3458 am->fa_interrupt_generation);
3459 vlib_cli_output (vm,
3460 "Sessions per interval: min %lu max %lu increment: %f ms current: %f ms",
3461 am->fa_min_deleted_sessions_per_interval,
3462 am->fa_max_deleted_sessions_per_interval,
3463 am->fa_cleaner_wait_time_increment * 1000.0,
3464 ((f64) am->fa_current_cleaner_timer_wait_interval) *
3465 1000.0 / (f64) vm->clib_time.clocks_per_second);
3466 vlib_cli_output (vm, "Reclassify sessions: %d", am->reclassify_sessions);
3469 static clib_error_t *
3470 acl_show_aclplugin_sessions_fn (vlib_main_t * vm,
3471 unformat_input_t * input,
3472 vlib_cli_command_t * cmd)
3474 clib_error_t *error = 0;
3475 acl_main_t *am = &acl_main;
3477 u32 show_bihash_verbose = 0;
3478 u32 show_session_thread_id = ~0;
3479 u32 show_session_session_index = ~0;
3480 (void) unformat (input, "thread %u index %u", &show_session_thread_id,
3481 &show_session_session_index);
3482 (void) unformat (input, "verbose %u", &show_bihash_verbose);
3484 acl_plugin_show_sessions (am, show_session_thread_id,
3485 show_session_session_index);
3486 show_fa_sessions_hash (vm, show_bihash_verbose);
3490 static clib_error_t *
3491 acl_show_aclplugin_tables_fn (vlib_main_t * vm,
3492 unformat_input_t * input,
3493 vlib_cli_command_t * cmd)
3495 clib_error_t *error = 0;
3499 int show_acl_hash_info = 0;
3500 int show_applied_info = 0;
3501 int show_mask_type = 0;
3502 int show_bihash = 0;
3503 u32 show_bihash_verbose = 0;
3505 if (unformat (input, "acl"))
3507 show_acl_hash_info = 1;
3508 /* mask-type is handy to see as well right there */
3510 unformat (input, "index %u", &acl_index);
3512 else if (unformat (input, "applied"))
3514 show_applied_info = 1;
3515 unformat (input, "lc_index %u", &lc_index);
3517 else if (unformat (input, "mask"))
3521 else if (unformat (input, "hash"))
3524 unformat (input, "verbose %u", &show_bihash_verbose);
3528 (show_mask_type || show_acl_hash_info || show_applied_info
3531 /* if no qualifiers specified, show all */
3533 show_acl_hash_info = 1;
3534 show_applied_info = 1;
3537 vlib_cli_output (vm, "Stats counters enabled for interface ACLs: %d",
3538 acl_main.interface_acl_counters_enabled);
3540 acl_plugin_show_tables_mask_type ();
3541 if (show_acl_hash_info)
3542 acl_plugin_show_tables_acl_hash_info (acl_index);
3543 if (show_applied_info)
3544 acl_plugin_show_tables_applied_info (lc_index);
3546 acl_plugin_show_tables_bihash (show_bihash_verbose);
3551 static clib_error_t *
3552 acl_clear_aclplugin_fn (vlib_main_t * vm,
3553 unformat_input_t * input, vlib_cli_command_t * cmd)
3555 clib_error_t *error = 0;
3556 acl_main_t *am = &acl_main;
3557 vlib_process_signal_event (am->vlib_main, am->fa_cleaner_node_index,
3558 ACL_FA_CLEANER_DELETE_BY_SW_IF_INDEX, ~0);
3563 VLIB_CLI_COMMAND (aclplugin_set_command, static) = {
3564 .path = "set acl-plugin",
3565 .short_help = "set acl-plugin session timeout {{udp idle}|tcp {idle|transient}} <seconds>",
3566 .function = acl_set_aclplugin_fn,
3569 VLIB_CLI_COMMAND (aclplugin_show_acl_command, static) = {
3570 .path = "show acl-plugin acl",
3571 .short_help = "show acl-plugin acl [index N]",
3572 .function = acl_show_aclplugin_acl_fn,
3575 VLIB_CLI_COMMAND (aclplugin_show_lookup_context_command, static) = {
3576 .path = "show acl-plugin lookup context",
3577 .short_help = "show acl-plugin lookup context [index N]",
3578 .function = acl_show_aclplugin_lookup_context_fn,
3581 VLIB_CLI_COMMAND (aclplugin_show_lookup_user_command, static) = {
3582 .path = "show acl-plugin lookup user",
3583 .short_help = "show acl-plugin lookup user [index N]",
3584 .function = acl_show_aclplugin_lookup_user_fn,
3587 VLIB_CLI_COMMAND (aclplugin_show_decode_5tuple_command, static) = {
3588 .path = "show acl-plugin decode 5tuple",
3589 .short_help = "show acl-plugin decode 5tuple XXXX XXXX XXXX XXXX XXXX XXXX",
3590 .function = acl_show_aclplugin_decode_5tuple_fn,
3593 VLIB_CLI_COMMAND (aclplugin_show_interface_command, static) = {
3594 .path = "show acl-plugin interface",
3595 .short_help = "show acl-plugin interface [sw_if_index N] [acl]",
3596 .function = acl_show_aclplugin_interface_fn,
3599 VLIB_CLI_COMMAND (aclplugin_show_memory_command, static) = {
3600 .path = "show acl-plugin memory",
3601 .short_help = "show acl-plugin memory",
3602 .function = acl_show_aclplugin_memory_fn,
3605 VLIB_CLI_COMMAND (aclplugin_show_sessions_command, static) = {
3606 .path = "show acl-plugin sessions",
3607 .short_help = "show acl-plugin sessions",
3608 .function = acl_show_aclplugin_sessions_fn,
3611 VLIB_CLI_COMMAND (aclplugin_show_tables_command, static) = {
3612 .path = "show acl-plugin tables",
3613 .short_help = "show acl-plugin tables [ acl [index N] | applied [ lc_index N ] | mask | hash [verbose N] ]",
3614 .function = acl_show_aclplugin_tables_fn,
3617 VLIB_CLI_COMMAND (aclplugin_show_macip_acl_command, static) = {
3618 .path = "show acl-plugin macip acl",
3619 .short_help = "show acl-plugin macip acl [index N]",
3620 .function = acl_show_aclplugin_macip_acl_fn,
3623 VLIB_CLI_COMMAND (aclplugin_show_macip_interface_command, static) = {
3624 .path = "show acl-plugin macip interface",
3625 .short_help = "show acl-plugin macip interface",
3626 .function = acl_show_aclplugin_macip_interface_fn,
3629 VLIB_CLI_COMMAND (aclplugin_clear_command, static) = {
3630 .path = "clear acl-plugin sessions",
3631 .short_help = "clear acl-plugin sessions",
3632 .function = acl_clear_aclplugin_fn,
3636 static clib_error_t *
3637 acl_plugin_config (vlib_main_t * vm, unformat_input_t * input)
3639 acl_main_t *am = &acl_main;
3640 u32 conn_table_hash_buckets;
3641 uword conn_table_hash_memory_size;
3642 u32 conn_table_max_entries;
3643 uword main_heap_size;
3644 uword hash_heap_size;
3645 u32 hash_lookup_hash_buckets;
3646 uword hash_lookup_hash_memory;
3647 u32 reclassify_sessions;
3648 u32 use_tuple_merge;
3649 u32 tuple_merge_split_threshold;
3651 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
3654 (input, "connection hash buckets %d", &conn_table_hash_buckets))
3655 am->fa_conn_table_hash_num_buckets = conn_table_hash_buckets;
3658 (input, "connection hash memory %U", unformat_memory_size,
3659 &conn_table_hash_memory_size))
3660 am->fa_conn_table_hash_memory_size = conn_table_hash_memory_size;
3661 else if (unformat (input, "connection count max %d",
3662 &conn_table_max_entries))
3663 am->fa_conn_table_max_entries = conn_table_max_entries;
3666 (input, "main heap size %U", unformat_memory_size,
3668 am->acl_mheap_size = main_heap_size;
3671 (input, "hash lookup heap size %U", unformat_memory_size,
3673 am->hash_lookup_mheap_size = hash_heap_size;
3674 else if (unformat (input, "hash lookup hash buckets %d",
3675 &hash_lookup_hash_buckets))
3676 am->hash_lookup_hash_buckets = hash_lookup_hash_buckets;
3679 (input, "hash lookup hash memory %U", unformat_memory_size,
3680 &hash_lookup_hash_memory))
3681 am->hash_lookup_hash_memory = hash_lookup_hash_memory;
3682 else if (unformat (input, "use tuple merge %d", &use_tuple_merge))
3683 am->use_tuple_merge = use_tuple_merge;
3686 (input, "tuple merge split threshold %d",
3687 &tuple_merge_split_threshold))
3688 am->tuple_merge_split_threshold = tuple_merge_split_threshold;
3690 else if (unformat (input, "reclassify sessions %d",
3691 &reclassify_sessions))
3692 am->reclassify_sessions = reclassify_sessions;
3695 return clib_error_return (0, "unknown input '%U'",
3696 format_unformat_error, input);
3701 VLIB_CONFIG_FUNCTION (acl_plugin_config, "acl-plugin");
3703 static clib_error_t *
3704 acl_init (vlib_main_t * vm)
3706 acl_main_t *am = &acl_main;
3707 clib_error_t *error = 0;
3708 clib_memset (am, 0, sizeof (*am));
3710 am->vnet_main = vnet_get_main ();
3711 am->log_default = vlib_log_register_class ("acl_plugin", 0);
3713 u8 *name = format (0, "acl_%08x%c", api_version, 0);
3715 /* Ask for a correctly-sized block of API message decode slots */
3716 am->msg_id_base = vl_msg_api_get_msg_ids ((char *) name,
3717 VL_MSG_FIRST_AVAILABLE);
3719 error = acl_plugin_api_hookup (vm);
3721 /* Add our API messages to the global name_crc hash table */
3722 setup_message_id_table (am, &api_main);
3729 error = acl_plugin_exports_init (&acl_plugin);
3734 am->acl_mheap_size = 0; /* auto size when initializing */
3735 am->hash_lookup_mheap_size = ACL_PLUGIN_HASH_LOOKUP_HEAP_SIZE;
3737 am->hash_lookup_hash_buckets = ACL_PLUGIN_HASH_LOOKUP_HASH_BUCKETS;
3738 am->hash_lookup_hash_memory = ACL_PLUGIN_HASH_LOOKUP_HASH_MEMORY;
3740 am->session_timeout_sec[ACL_TIMEOUT_TCP_TRANSIENT] =
3741 TCP_SESSION_TRANSIENT_TIMEOUT_SEC;
3742 am->session_timeout_sec[ACL_TIMEOUT_TCP_IDLE] =
3743 TCP_SESSION_IDLE_TIMEOUT_SEC;
3744 am->session_timeout_sec[ACL_TIMEOUT_UDP_IDLE] =
3745 UDP_SESSION_IDLE_TIMEOUT_SEC;
3747 am->fa_conn_table_hash_num_buckets =
3748 ACL_FA_CONN_TABLE_DEFAULT_HASH_NUM_BUCKETS;
3749 am->fa_conn_table_hash_memory_size =
3750 ACL_FA_CONN_TABLE_DEFAULT_HASH_MEMORY_SIZE;
3751 am->fa_conn_table_max_entries = ACL_FA_CONN_TABLE_DEFAULT_MAX_ENTRIES;
3752 am->reclassify_sessions = 0;
3753 vlib_thread_main_t *tm = vlib_get_thread_main ();
3755 am->fa_min_deleted_sessions_per_interval =
3756 ACL_FA_DEFAULT_MIN_DELETED_SESSIONS_PER_INTERVAL;
3757 am->fa_max_deleted_sessions_per_interval =
3758 ACL_FA_DEFAULT_MAX_DELETED_SESSIONS_PER_INTERVAL;
3759 am->fa_cleaner_wait_time_increment =
3760 ACL_FA_DEFAULT_CLEANER_WAIT_TIME_INCREMENT;
3762 vec_validate (am->per_worker_data, tm->n_vlib_mains - 1);
3765 for (wk = 0; wk < vec_len (am->per_worker_data); wk++)
3767 acl_fa_per_worker_data_t *pw = &am->per_worker_data[wk];
3768 if (tm->n_vlib_mains > 1)
3770 clib_spinlock_init (&pw->pending_session_change_request_lock);
3772 vec_validate (pw->expired,
3774 am->fa_max_deleted_sessions_per_interval);
3775 _vec_len (pw->expired) = 0;
3776 vec_validate_init_empty (pw->fa_conn_list_head, ACL_N_TIMEOUTS - 1,
3777 FA_SESSION_BOGUS_INDEX);
3778 vec_validate_init_empty (pw->fa_conn_list_tail, ACL_N_TIMEOUTS - 1,
3779 FA_SESSION_BOGUS_INDEX);
3780 vec_validate_init_empty (pw->fa_conn_list_head_expiry_time,
3781 ACL_N_TIMEOUTS - 1, ~0ULL);
3785 am->fa_cleaner_cnt_delete_by_sw_index = 0;
3786 am->fa_cleaner_cnt_delete_by_sw_index_ok = 0;
3787 am->fa_cleaner_cnt_unknown_event = 0;
3788 am->fa_cleaner_cnt_timer_restarted = 0;
3789 am->fa_cleaner_cnt_wait_with_timeout = 0;
3792 #define _(N, v, s) am->fa_ipv6_known_eh_bitmap = clib_bitmap_set(am->fa_ipv6_known_eh_bitmap, v, 1);
3795 am->l4_match_nonfirst_fragment = 1;
3797 /* use the new fancy hash-based matching */
3798 am->use_hash_acl_matching = 1;
3799 /* use tuplemerge by default */
3800 am->use_tuple_merge = 1;
3801 /* Set the default threshold */
3802 am->tuple_merge_split_threshold = TM_SPLIT_THRESHOLD;
3804 am->interface_acl_user_id =
3805 acl_plugin.register_user_module ("interface ACL", "sw_if_index",
3808 am->acl_counter_lock = clib_mem_alloc_aligned (CLIB_CACHE_LINE_BYTES,
3809 CLIB_CACHE_LINE_BYTES);
3810 am->acl_counter_lock[0] = 0; /* should be no need */
3815 VLIB_INIT_FUNCTION (acl_init);
3819 * fd.io coding-style-patch-verification: ON
3822 * eval: (c-set-style "gnu")