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_add_list (u32 count, vl_api_acl_rule_t rules[],
412 u32 * acl_list_index, u8 * tag)
414 acl_main_t *am = &acl_main;
417 acl_rule_t *acl_new_rules = 0;
420 if (am->trace_acl > 255)
421 clib_warning ("API dbg: acl_add_list index %d tag %s", *acl_list_index,
424 if (*acl_list_index != ~0)
426 /* They supplied some number, let's see if this ACL exists */
427 if (pool_is_free_index (am->acls, *acl_list_index))
429 /* tried to replace a non-existent ACL, no point doing anything */
431 ("acl-plugin-error: Trying to replace nonexistent ACL %d (tag %s)",
432 *acl_list_index, tag);
433 return VNET_API_ERROR_NO_SUCH_ENTRY;
439 ("acl-plugin-warning: supplied no rules for ACL %d (tag %s)",
440 *acl_list_index, tag);
443 void *oldheap = acl_set_heap (am);
445 /* Create and populate the rules */
447 vec_validate (acl_new_rules, count - 1);
449 for (i = 0; i < count; i++)
451 r = vec_elt_at_index (acl_new_rules, i);
452 clib_memset (r, 0, sizeof (*r));
453 r->is_permit = rules[i].is_permit;
454 r->is_ipv6 = rules[i].is_ipv6;
457 memcpy (&r->src, rules[i].src_ip_addr, sizeof (r->src));
458 memcpy (&r->dst, rules[i].dst_ip_addr, sizeof (r->dst));
462 memcpy (&r->src.ip4, rules[i].src_ip_addr, sizeof (r->src.ip4));
463 memcpy (&r->dst.ip4, rules[i].dst_ip_addr, sizeof (r->dst.ip4));
465 r->src_prefixlen = rules[i].src_ip_prefix_len;
466 r->dst_prefixlen = rules[i].dst_ip_prefix_len;
467 r->proto = rules[i].proto;
468 r->src_port_or_type_first = ntohs (rules[i].srcport_or_icmptype_first);
469 r->src_port_or_type_last = ntohs (rules[i].srcport_or_icmptype_last);
470 r->dst_port_or_code_first = ntohs (rules[i].dstport_or_icmpcode_first);
471 r->dst_port_or_code_last = ntohs (rules[i].dstport_or_icmpcode_last);
472 r->tcp_flags_value = rules[i].tcp_flags_value;
473 r->tcp_flags_mask = rules[i].tcp_flags_mask;
476 if (~0 == *acl_list_index)
479 pool_get_aligned (am->acls, a, CLIB_CACHE_LINE_BYTES);
480 clib_memset (a, 0, sizeof (*a));
481 /* Will return the newly allocated ACL index */
482 *acl_list_index = a - am->acls;
486 a = am->acls + *acl_list_index;
487 /* Get rid of the old rules */
491 a->rules = acl_new_rules;
492 memcpy (a->tag, tag, sizeof (a->tag));
493 if (am->trace_acl > 255)
494 warning_acl_print_acl (am->vlib_main, am, *acl_list_index);
495 if (am->reclassify_sessions)
497 /* a change in an ACLs if they are applied may mean a new policy epoch */
498 policy_notify_acl_change (am, *acl_list_index);
501 /* stats segment expects global heap, so restore it temporarily */
502 clib_mem_set_heap (oldheap);
503 validate_and_reset_acl_counters (am, *acl_list_index);
504 oldheap = acl_set_heap (am);
506 /* notify the lookup contexts about the ACL changes */
507 acl_plugin_lookup_context_notify_acl_change (*acl_list_index);
508 clib_mem_set_heap (oldheap);
513 acl_is_used_by (u32 acl_index, u32 ** foo_index_vec_by_acl)
515 if (acl_index < vec_len (foo_index_vec_by_acl))
517 if (vec_len (vec_elt (foo_index_vec_by_acl, acl_index)) > 0)
519 /* ACL is applied somewhere. */
527 acl_del_list (u32 acl_list_index)
529 acl_main_t *am = &acl_main;
531 if (pool_is_free_index (am->acls, acl_list_index))
533 return VNET_API_ERROR_NO_SUCH_ENTRY;
535 if (acl_is_used_by (acl_list_index, am->input_sw_if_index_vec_by_acl))
536 return VNET_API_ERROR_ACL_IN_USE_INBOUND;
537 if (acl_is_used_by (acl_list_index, am->output_sw_if_index_vec_by_acl))
538 return VNET_API_ERROR_ACL_IN_USE_OUTBOUND;
539 /* lookup contexts cover other cases, not just inbound/outbound, so check that */
540 if (acl_is_used_by (acl_list_index, am->lc_index_vec_by_acl))
541 return VNET_API_ERROR_ACL_IN_USE_BY_LOOKUP_CONTEXT;
543 void *oldheap = acl_set_heap (am);
545 /* now we can delete the ACL itself */
546 a = pool_elt_at_index (am->acls, acl_list_index);
549 pool_put (am->acls, a);
550 /* acl_list_index is now free, notify the lookup contexts */
551 acl_plugin_lookup_context_notify_acl_change (acl_list_index);
552 clib_mem_set_heap (oldheap);
557 count_skip (u8 * p, u32 size)
559 u64 *p64 = (u64 *) p;
560 /* Be tolerant to null pointer */
564 while ((0ULL == *p64) && ((u8 *) p64 - p) < size)
568 return (p64 - (u64 *) p) / 2;
572 acl_classify_add_del_table_small (vnet_classify_main_t * cm, u8 * mask,
573 u32 mask_len, u32 next_table_index,
574 u32 miss_next_index, u32 * table_index,
578 u32 memory_size = 2 << 22;
579 u32 skip = count_skip (mask, mask_len);
580 u32 match = (mask_len / 16) - skip;
581 u8 *skip_mask_ptr = mask + 16 * skip;
582 u32 current_data_flag = 0;
583 int current_data_offset = 0;
588 void *oldheap = clib_mem_set_heap (cm->vlib_main->heap_base);
589 int ret = vnet_classify_add_del_table (cm, skip_mask_ptr, nbuckets,
590 memory_size, skip, match,
591 next_table_index, miss_next_index,
592 table_index, current_data_flag,
593 current_data_offset, is_add,
594 1 /* delete_chain */ );
595 clib_mem_set_heap (oldheap);
600 intf_has_etype_whitelist (acl_main_t * am, u32 sw_if_index, int is_input)
603 ? am->input_etype_whitelist_by_sw_if_index
604 : am->output_etype_whitelist_by_sw_if_index;
605 u16 *whitelist = (vec_len (v) > sw_if_index) ? vec_elt (v, sw_if_index) : 0;
606 return vec_len (whitelist) > 0;
610 acl_clear_sessions (acl_main_t * am, u32 sw_if_index)
612 void *oldheap = clib_mem_set_heap (am->vlib_main->heap_base);
613 vlib_process_signal_event (am->vlib_main, am->fa_cleaner_node_index,
614 ACL_FA_CLEANER_DELETE_BY_SW_IF_INDEX,
616 clib_mem_set_heap (oldheap);
621 acl_interface_in_enable_disable (acl_main_t * am, u32 sw_if_index,
627 if (pool_is_free_index (am->vnet_main->interface_main.sw_interfaces,
629 return VNET_API_ERROR_INVALID_SW_IF_INDEX;
631 if (clib_bitmap_get (am->in_acl_on_sw_if_index, sw_if_index) ==
635 acl_fa_enable_disable (sw_if_index, 1, enable_disable);
637 void *oldheap = clib_mem_set_heap (am->vlib_main->heap_base);
638 rv = vnet_l2_feature_enable_disable ("l2-input-ip4", "acl-plugin-in-ip4-l2",
639 sw_if_index, enable_disable, 0, 0);
641 clib_error ("Could not enable on input");
642 rv = vnet_l2_feature_enable_disable ("l2-input-ip6", "acl-plugin-in-ip6-l2",
643 sw_if_index, enable_disable, 0, 0);
645 clib_error ("Could not enable on input");
647 if (intf_has_etype_whitelist (am, sw_if_index, 1))
648 vnet_l2_feature_enable_disable ("l2-input-nonip",
649 "acl-plugin-in-nonip-l2", sw_if_index,
650 enable_disable, 0, 0);
652 clib_mem_set_heap (oldheap);
654 am->in_acl_on_sw_if_index =
655 clib_bitmap_set (am->in_acl_on_sw_if_index, sw_if_index, enable_disable);
661 acl_interface_out_enable_disable (acl_main_t * am, u32 sw_if_index,
667 if (pool_is_free_index (am->vnet_main->interface_main.sw_interfaces,
669 return VNET_API_ERROR_INVALID_SW_IF_INDEX;
671 if (clib_bitmap_get (am->out_acl_on_sw_if_index, sw_if_index) ==
675 acl_fa_enable_disable (sw_if_index, 0, enable_disable);
677 void *oldheap = clib_mem_set_heap (am->vlib_main->heap_base);
679 vnet_l2_feature_enable_disable ("l2-output-ip4", "acl-plugin-out-ip4-l2",
680 sw_if_index, enable_disable, 0, 0);
682 clib_error ("Could not enable on output");
684 vnet_l2_feature_enable_disable ("l2-output-ip6", "acl-plugin-out-ip6-l2",
685 sw_if_index, enable_disable, 0, 0);
687 clib_error ("Could not enable on output");
688 if (intf_has_etype_whitelist (am, sw_if_index, 0))
689 vnet_l2_feature_enable_disable ("l2-output-nonip",
690 "acl-plugin-out-nonip-l2", sw_if_index,
691 enable_disable, 0, 0);
694 clib_mem_set_heap (oldheap);
696 am->out_acl_on_sw_if_index =
697 clib_bitmap_set (am->out_acl_on_sw_if_index, sw_if_index, enable_disable);
703 acl_stats_intf_counters_enable_disable (acl_main_t * am, int enable_disable)
707 am->interface_acl_counters_enabled = enable_disable;
713 acl_interface_inout_enable_disable (acl_main_t * am, u32 sw_if_index,
714 int is_input, int enable_disable)
717 return acl_interface_in_enable_disable (am, sw_if_index, enable_disable);
719 return acl_interface_out_enable_disable (am, sw_if_index, enable_disable);
723 acl_is_not_defined (acl_main_t * am, u32 acl_list_index)
725 return (pool_is_free_index (am->acls, acl_list_index));
729 acl_interface_set_inout_acl_list (acl_main_t * am, u32 sw_if_index,
730 u8 is_input, u32 * vec_acl_list_index,
731 int *may_clear_sessions)
734 uword *seen_acl_bitmap = 0;
735 uword *old_seen_acl_bitmap = 0;
736 uword *change_acl_bitmap = 0;
741 if (am->trace_acl > 255)
743 ("API dbg: acl_interface_set_inout_acl_list: sw_if_index %d is_input %d acl_vec: [%U]",
744 sw_if_index, is_input, format_vec32, vec_acl_list_index, "%d");
746 vec_foreach (pacln, vec_acl_list_index)
748 if (acl_is_not_defined (am, *pacln))
750 /* ACL is not defined. Can not apply */
751 clib_warning ("ERROR: ACL %d not defined", *pacln);
752 rv = VNET_API_ERROR_NO_SUCH_ENTRY;
755 if (clib_bitmap_get (seen_acl_bitmap, *pacln))
757 /* ACL being applied twice within the list. error. */
758 clib_warning ("ERROR: ACL %d being applied twice", *pacln);
759 rv = VNET_API_ERROR_ENTRY_ALREADY_EXISTS;
762 seen_acl_bitmap = clib_bitmap_set (seen_acl_bitmap, *pacln, 1);
766 u32 **pinout_lc_index_by_sw_if_index =
768 input_lc_index_by_sw_if_index : &am->output_lc_index_by_sw_if_index;
770 u32 ***pinout_acl_vec_by_sw_if_index =
772 input_acl_vec_by_sw_if_index : &am->output_acl_vec_by_sw_if_index;
774 u32 ***pinout_sw_if_index_vec_by_acl =
776 input_sw_if_index_vec_by_acl : &am->output_sw_if_index_vec_by_acl;
778 vec_validate ((*pinout_acl_vec_by_sw_if_index), sw_if_index);
780 clib_bitmap_validate (old_seen_acl_bitmap, 1);
782 vec_foreach (pacln, (*pinout_acl_vec_by_sw_if_index)[sw_if_index])
784 old_seen_acl_bitmap = clib_bitmap_set (old_seen_acl_bitmap, *pacln, 1);
787 clib_bitmap_dup_xor (old_seen_acl_bitmap, seen_acl_bitmap);
789 if (am->trace_acl > 255)
790 clib_warning ("bitmaps: old seen %U new seen %U changed %U",
791 format_bitmap_hex, old_seen_acl_bitmap, format_bitmap_hex,
792 seen_acl_bitmap, format_bitmap_hex, change_acl_bitmap);
795 clib_bitmap_foreach(acln, change_acl_bitmap, ({
796 if (clib_bitmap_get(old_seen_acl_bitmap, acln)) {
797 /* ACL is being removed. */
798 if (acln < vec_len((*pinout_sw_if_index_vec_by_acl))) {
799 int index = vec_search((*pinout_sw_if_index_vec_by_acl)[acln], sw_if_index);
800 vec_del1((*pinout_sw_if_index_vec_by_acl)[acln], index);
803 /* ACL is being added. */
804 vec_validate((*pinout_sw_if_index_vec_by_acl), acln);
805 vec_add1((*pinout_sw_if_index_vec_by_acl)[acln], sw_if_index);
810 vec_free ((*pinout_acl_vec_by_sw_if_index)[sw_if_index]);
811 (*pinout_acl_vec_by_sw_if_index)[sw_if_index] =
812 vec_dup (vec_acl_list_index);
814 if (am->reclassify_sessions)
816 /* re-applying ACLs means a new policy epoch */
817 increment_policy_epoch (am, sw_if_index, is_input);
821 /* if no commonalities between the ACL# - then we should definitely clear the sessions */
822 if (may_clear_sessions && *may_clear_sessions
823 && !clib_bitmap_is_zero (change_acl_bitmap))
825 acl_clear_sessions (am, sw_if_index);
826 *may_clear_sessions = 0;
831 * prepare or delete the lookup context if necessary, and if context exists, set ACL list
833 vec_validate_init_empty ((*pinout_lc_index_by_sw_if_index), sw_if_index,
835 if (vec_len (vec_acl_list_index) > 0)
837 u32 lc_index = (*pinout_lc_index_by_sw_if_index)[sw_if_index];
841 acl_plugin.get_lookup_context_index (am->interface_acl_user_id,
842 sw_if_index, is_input);
843 (*pinout_lc_index_by_sw_if_index)[sw_if_index] = lc_index;
845 acl_plugin.set_acl_vec_for_context (lc_index, vec_acl_list_index);
849 if (~0 != (*pinout_lc_index_by_sw_if_index)[sw_if_index])
851 acl_plugin.put_lookup_context_index ((*pinout_lc_index_by_sw_if_index)[sw_if_index]);
852 (*pinout_lc_index_by_sw_if_index)[sw_if_index] = ~0;
856 /* ensure ACL processing is enabled/disabled as needed */
857 acl_interface_inout_enable_disable (am, sw_if_index, is_input,
858 vec_len (vec_acl_list_index) > 0);
861 clib_bitmap_free (change_acl_bitmap);
862 clib_bitmap_free (seen_acl_bitmap);
863 clib_bitmap_free (old_seen_acl_bitmap);
868 acl_interface_reset_inout_acls (u32 sw_if_index, u8 is_input,
869 int *may_clear_sessions)
871 acl_main_t *am = &acl_main;
872 void *oldheap = acl_set_heap (am);
873 acl_interface_set_inout_acl_list (am, sw_if_index, is_input, 0,
875 clib_mem_set_heap (oldheap);
879 acl_interface_add_del_inout_acl (u32 sw_if_index, u8 is_add, u8 is_input,
883 acl_main_t *am = &acl_main;
885 int may_clear_sessions = 1;
887 int error_already_applied = is_input ? VNET_API_ERROR_ACL_IN_USE_INBOUND
888 : VNET_API_ERROR_ACL_IN_USE_OUTBOUND;
890 u32 ***pinout_acl_vec_by_sw_if_index =
892 input_acl_vec_by_sw_if_index : &am->output_acl_vec_by_sw_if_index;
894 void *oldheap = acl_set_heap (am);
898 vec_validate ((*pinout_acl_vec_by_sw_if_index), sw_if_index);
899 u32 index = vec_search ((*pinout_acl_vec_by_sw_if_index)[sw_if_index],
904 rv = error_already_applied;
908 acl_vec = vec_dup ((*pinout_acl_vec_by_sw_if_index)[sw_if_index]);
909 vec_add1 (acl_vec, acl_list_index);
913 if (sw_if_index >= vec_len (*pinout_acl_vec_by_sw_if_index))
915 rv = VNET_API_ERROR_NO_SUCH_ENTRY;
919 u32 index = vec_search ((*pinout_acl_vec_by_sw_if_index)[sw_if_index],
924 rv = VNET_API_ERROR_NO_SUCH_ENTRY;
928 acl_vec = vec_dup ((*pinout_acl_vec_by_sw_if_index)[sw_if_index]);
929 vec_del1 (acl_vec, index);
932 rv = acl_interface_set_inout_acl_list (am, sw_if_index, is_input, acl_vec,
933 &may_clear_sessions);
936 clib_mem_set_heap (oldheap);
941 acl_set_etype_whitelists (acl_main_t * am, u32 sw_if_index, u16 * vec_in,
944 vec_validate (am->input_etype_whitelist_by_sw_if_index, sw_if_index);
945 vec_validate (am->output_etype_whitelist_by_sw_if_index, sw_if_index);
947 vec_free (am->input_etype_whitelist_by_sw_if_index[sw_if_index]);
948 vec_free (am->output_etype_whitelist_by_sw_if_index[sw_if_index]);
950 am->input_etype_whitelist_by_sw_if_index[sw_if_index] = vec_in;
951 am->output_etype_whitelist_by_sw_if_index[sw_if_index] = vec_out;
954 * if there are already inbound/outbound ACLs applied, toggle the
955 * enable/disable - this will recreate the necessary tables.
958 if (vec_len (am->input_acl_vec_by_sw_if_index) > sw_if_index)
960 if (vec_len (am->input_acl_vec_by_sw_if_index[sw_if_index]) > 0)
962 acl_interface_in_enable_disable (am, sw_if_index, 0);
963 acl_interface_in_enable_disable (am, sw_if_index, 1);
966 if (vec_len (am->output_acl_vec_by_sw_if_index) > sw_if_index)
968 if (vec_len (am->output_acl_vec_by_sw_if_index[sw_if_index]) > 0)
970 acl_interface_out_enable_disable (am, sw_if_index, 0);
971 acl_interface_out_enable_disable (am, sw_if_index, 1);
987 u32 dot1q_table_index;
988 u32 dot1ad_table_index;
989 u32 arp_dot1q_table_index;
990 u32 arp_dot1ad_table_index;
993 u32 out_arp_table_index;
994 u32 out_dot1q_table_index;
995 u32 out_dot1ad_table_index;
996 u32 out_arp_dot1q_table_index;
997 u32 out_arp_dot1ad_table_index;
998 } macip_match_type_t;
1001 macip_find_match_type (macip_match_type_t * mv, u8 * mac_mask, u8 prefix_len,
1007 for (i = 0; i < vec_len (mv); i++)
1009 if ((mv[i].prefix_len == prefix_len) && (mv[i].is_ipv6 == is_ipv6)
1010 && (0 == memcmp (mv[i].mac_mask, mac_mask, 6)))
1020 /* Get metric used to sort match types.
1021 The more specific and the more often seen - the bigger the metric */
1023 match_type_metric (macip_match_type_t * m)
1025 unsigned int mac_bits_set = 0;
1026 unsigned int mac_byte;
1028 for (i = 0; i < 6; i++)
1030 mac_byte = m->mac_mask[i];
1031 for (; mac_byte; mac_byte >>= 1)
1032 mac_bits_set += mac_byte & 1;
1035 * Attempt to place the more specific and the more used rules on top.
1036 * There are obvious caveat corner cases to this, but they do not
1037 * seem to be sensible in real world (e.g. specific IPv4 with wildcard MAC
1038 * going with a wildcard IPv4 with a specific MAC).
1040 return m->prefix_len + mac_bits_set + m->is_ipv6 + 10 * m->count;
1044 match_type_compare (macip_match_type_t * m1, macip_match_type_t * m2)
1046 /* Ascending sort based on the metric values */
1047 return match_type_metric (m1) - match_type_metric (m2);
1050 /* Get the offset of L3 source within ethernet packet */
1052 get_l3_src_offset (int is6)
1055 return (sizeof (ethernet_header_t) +
1056 offsetof (ip6_header_t, src_address));
1058 return (sizeof (ethernet_header_t) +
1059 offsetof (ip4_header_t, src_address));
1063 get_l3_dst_offset (int is6)
1066 return (sizeof (ethernet_header_t) +
1067 offsetof (ip6_header_t, dst_address));
1069 return (sizeof (ethernet_header_t) +
1070 offsetof (ip4_header_t, dst_address));
1074 * return if the is_permit value also requires to create the egress tables
1075 * For backwards compatibility, we keep the is_permit = 1 to only
1076 * create the ingress tables, and the new value of 3 will also
1077 * create the egress tables based on destination.
1080 macip_permit_also_egress (u8 is_permit)
1082 return (is_permit == 3);
1086 macip_create_classify_tables (acl_main_t * am, u32 macip_acl_index)
1088 macip_match_type_t *mvec = NULL;
1089 macip_match_type_t *mt;
1090 macip_acl_list_t *a = pool_elt_at_index (am->macip_acls, macip_acl_index);
1092 u32 match_type_index;
1096 vnet_classify_main_t *cm = &vnet_classify_main;
1098 /* Count the number of different types of rules */
1099 for (i = 0; i < a->count; i++)
1103 macip_find_match_type (mvec, a->rules[i].src_mac_mask,
1104 a->rules[i].src_prefixlen,
1105 a->rules[i].is_ipv6)))
1107 match_type_index = vec_len (mvec);
1108 vec_validate (mvec, match_type_index);
1109 memcpy (mvec[match_type_index].mac_mask,
1110 a->rules[i].src_mac_mask, 6);
1111 mvec[match_type_index].prefix_len = a->rules[i].src_prefixlen;
1112 mvec[match_type_index].is_ipv6 = a->rules[i].is_ipv6;
1113 mvec[match_type_index].has_egress = 0;
1114 mvec[match_type_index].table_index = ~0;
1115 mvec[match_type_index].arp_table_index = ~0;
1116 mvec[match_type_index].dot1q_table_index = ~0;
1117 mvec[match_type_index].dot1ad_table_index = ~0;
1118 mvec[match_type_index].arp_dot1q_table_index = ~0;
1119 mvec[match_type_index].arp_dot1ad_table_index = ~0;
1120 mvec[match_type_index].out_table_index = ~0;
1121 mvec[match_type_index].out_arp_table_index = ~0;
1122 mvec[match_type_index].out_dot1q_table_index = ~0;
1123 mvec[match_type_index].out_dot1ad_table_index = ~0;
1124 mvec[match_type_index].out_arp_dot1q_table_index = ~0;
1125 mvec[match_type_index].out_arp_dot1ad_table_index = ~0;
1127 mvec[match_type_index].count++;
1128 mvec[match_type_index].has_egress |=
1129 macip_permit_also_egress (a->rules[i].is_permit);
1131 /* Put the most frequently used tables last in the list so we can create classifier tables in reverse order */
1132 vec_sort_with_function (mvec, match_type_compare);
1133 /* Create the classifier tables */
1135 out_last_table = ~0;
1136 /* First add ARP tables */
1137 vec_foreach (mt, mvec)
1140 int is6 = mt->is_ipv6;
1142 u32 *last_tag_table;
1143 u32 *out_last_tag_table;
1150 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
1151 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
1152 | Destination Address |
1153 + +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
1155 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +
1157 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
1158 | EtherType | Hardware Type |
1159 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
1160 | Protocol Type | Hw addr len | Proto addr len|
1161 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
1163 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +
1164 | Sender Hardware Address |
1165 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
1166 | Sender Protocol Address |
1167 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
1168 | Target Hardware Address |
1169 + +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
1170 | | TargetProtocolAddress |
1171 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
1173 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
1175 for (tags = 2; tags >= 0; tags--)
1177 clib_memset (mask, 0, sizeof (mask));
1178 /* source MAC address */
1179 memcpy (&mask[6], mt->mac_mask, 6);
1185 clib_memset (&mask[12], 0xff, 2); /* ethernet protocol */
1187 last_tag_table = &mt->arp_table_index;
1190 clib_memset (&mask[12], 0xff, 2); /* VLAN tag1 */
1191 clib_memset (&mask[16], 0xff, 2); /* ethernet protocol */
1193 last_tag_table = &mt->arp_dot1q_table_index;
1196 clib_memset (&mask[12], 0xff, 2); /* VLAN tag1 */
1197 clib_memset (&mask[16], 0xff, 2); /* VLAN tag2 */
1198 clib_memset (&mask[20], 0xff, 2); /* ethernet protocol */
1200 last_tag_table = &mt->arp_dot1ad_table_index;
1204 /* sender hardware address within ARP */
1205 memcpy (&mask[l3_offset + 8], mt->mac_mask, 6);
1206 /* sender protocol address within ARP */
1207 for (i = 0; i < (mt->prefix_len / 8); i++)
1208 mask[l3_offset + 14 + i] = 0xff;
1209 if (mt->prefix_len % 8)
1210 mask[l3_offset + 14 + (mt->prefix_len / 8)] =
1211 0xff - ((1 << (8 - mt->prefix_len % 8)) - 1);
1213 mask_len = ((l3_offset + 14 + ((mt->prefix_len + 7) / 8) +
1215 1)) / sizeof (u32x4)) * sizeof (u32x4);
1216 acl_classify_add_del_table_small (cm, mask, mask_len, last_table,
1217 (~0 == last_table) ? 0 : ~0,
1219 last_table = *last_tag_table;
1222 /* egress ARP table */
1223 clib_memset (mask, 0, sizeof (mask));
1229 clib_memset (&mask[12], 0xff, 2); /* ethernet protocol */
1231 out_last_tag_table = &mt->out_arp_table_index;
1234 clib_memset (&mask[12], 0xff, 2); /* VLAN tag1 */
1235 clib_memset (&mask[16], 0xff, 2); /* ethernet protocol */
1237 out_last_tag_table = &mt->out_arp_dot1q_table_index;
1240 clib_memset (&mask[12], 0xff, 2); /* VLAN tag1 */
1241 clib_memset (&mask[16], 0xff, 2); /* VLAN tag2 */
1242 clib_memset (&mask[20], 0xff, 2); /* ethernet protocol */
1244 out_last_tag_table = &mt->out_arp_dot1ad_table_index;
1248 /* AYXX: FIXME here - can we tighten the ARP-related table more ? */
1249 /* mask captures just the destination and the ethertype */
1250 mask_len = ((l3_offset +
1252 1)) / sizeof (u32x4)) * sizeof (u32x4);
1253 acl_classify_add_del_table_small (cm, mask, mask_len,
1256 out_last_table) ? 0 : ~0,
1257 out_last_tag_table, 1);
1258 out_last_table = *out_last_tag_table;
1263 /* Now add IP[46] tables */
1264 vec_foreach (mt, mvec)
1267 int is6 = mt->is_ipv6;
1271 u32 *last_tag_table;
1272 u32 *out_last_tag_table;
1275 * create chained tables for VLAN (no-tags, dot1q and dot1ad) packets
1277 for (tags = 2; tags >= 0; tags--)
1279 clib_memset (mask, 0, sizeof (mask));
1280 memcpy (&mask[6], mt->mac_mask, 6);
1281 l3_src_offs = tags * 4 + get_l3_src_offset (is6);
1286 clib_memset (&mask[12], 0xff, 2); /* ethernet protocol */
1287 last_tag_table = &mt->table_index;
1290 clib_memset (&mask[12], 0xff, 2); /* VLAN tag1 */
1291 clib_memset (&mask[16], 0xff, 2); /* ethernet protocol */
1292 last_tag_table = &mt->dot1q_table_index;
1295 clib_memset (&mask[12], 0xff, 2); /* VLAN tag1 */
1296 clib_memset (&mask[16], 0xff, 2); /* VLAN tag2 */
1297 clib_memset (&mask[20], 0xff, 2); /* ethernet protocol */
1298 last_tag_table = &mt->dot1ad_table_index;
1301 for (i = 0; i < (mt->prefix_len / 8); i++)
1303 mask[l3_src_offs + i] = 0xff;
1305 if (mt->prefix_len % 8)
1307 mask[l3_src_offs + (mt->prefix_len / 8)] =
1308 0xff - ((1 << (8 - mt->prefix_len % 8)) - 1);
1311 * Round-up the number of bytes needed to store the prefix,
1312 * and round up the number of vectors too
1314 mask_len = ((l3_src_offs + ((mt->prefix_len + 7) / 8) +
1315 (sizeof (u32x4) - 1)) / sizeof (u32x4)) * sizeof (u32x4);
1316 acl_classify_add_del_table_small (cm, mask, mask_len, last_table,
1317 (~0 == last_table) ? 0 : ~0,
1319 last_table = *last_tag_table;
1323 for (tags = 2; tags >= 0; tags--)
1325 clib_memset (mask, 0, sizeof (mask));
1326 /* MAC destination */
1327 memcpy (&mask[0], mt->mac_mask, 6);
1328 l3_dst_offs = tags * 4 + get_l3_dst_offset (is6);
1333 clib_memset (&mask[12], 0xff, 2); /* ethernet protocol */
1334 out_last_tag_table = &mt->out_table_index;
1337 clib_memset (&mask[12], 0xff, 2); /* VLAN tag1 */
1338 clib_memset (&mask[16], 0xff, 2); /* ethernet protocol */
1339 out_last_tag_table = &mt->out_dot1q_table_index;
1342 clib_memset (&mask[12], 0xff, 2); /* VLAN tag1 */
1343 clib_memset (&mask[16], 0xff, 2); /* VLAN tag2 */
1344 clib_memset (&mask[20], 0xff, 2); /* ethernet protocol */
1345 out_last_tag_table = &mt->out_dot1ad_table_index;
1348 for (i = 0; i < (mt->prefix_len / 8); i++)
1350 mask[l3_dst_offs + i] = 0xff;
1352 if (mt->prefix_len % 8)
1354 mask[l3_dst_offs + (mt->prefix_len / 8)] =
1355 0xff - ((1 << (8 - mt->prefix_len % 8)) - 1);
1358 * Round-up the number of bytes needed to store the prefix,
1359 * and round up the number of vectors too
1361 mask_len = ((l3_dst_offs + ((mt->prefix_len + 7) / 8) +
1363 1)) / sizeof (u32x4)) * sizeof (u32x4);
1364 acl_classify_add_del_table_small (cm, mask, mask_len,
1366 (~0 == out_last_table) ? 0 : ~0,
1367 out_last_tag_table, 1);
1368 out_last_table = *out_last_tag_table;
1372 a->ip4_table_index = last_table;
1373 a->ip6_table_index = last_table;
1374 a->l2_table_index = last_table;
1376 a->out_ip4_table_index = out_last_table;
1377 a->out_ip6_table_index = out_last_table;
1378 a->out_l2_table_index = out_last_table;
1380 /* Populate the classifier tables with rules from the MACIP ACL */
1381 for (i = 0; i < a->count; i++)
1385 int is6 = a->rules[i].is_ipv6;
1392 macip_find_match_type (mvec, a->rules[i].src_mac_mask,
1393 a->rules[i].src_prefixlen,
1394 a->rules[i].is_ipv6);
1395 ASSERT (match_type_index != ~0);
1397 for (tags = 2; tags >= 0; tags--)
1399 clib_memset (mask, 0, sizeof (mask));
1400 l3_src_offs = tags * 4 + get_l3_src_offset (is6);
1401 memcpy (&mask[6], a->rules[i].src_mac, 6);
1406 tag_table = mvec[match_type_index].table_index;
1410 tag_table = mvec[match_type_index].dot1q_table_index;
1416 tag_table = mvec[match_type_index].dot1ad_table_index;
1426 memcpy (&mask[l3_src_offs], &a->rules[i].src_ip_addr.ip6, 16);
1428 mask[eth + 1] = 0xdd;
1432 memcpy (&mask[l3_src_offs], &a->rules[i].src_ip_addr.ip4, 4);
1434 mask[eth + 1] = 0x00;
1437 /* add session to table mvec[match_type_index].table_index; */
1438 vnet_classify_add_del_session (cm, tag_table,
1439 mask, a->rules[i].is_permit ? ~0 : 0,
1440 i, 0, action, metadata, 1);
1441 clib_memset (&mask[12], 0, sizeof (mask) - 12);
1444 /* add ARP table entry too */
1445 if (!is6 && (mvec[match_type_index].arp_table_index != ~0))
1447 clib_memset (mask, 0, sizeof (mask));
1448 memcpy (&mask[6], a->rules[i].src_mac, 6);
1450 for (tags = 2; tags >= 0; tags--)
1456 tag_table = mvec[match_type_index].arp_table_index;
1462 tag_table = mvec[match_type_index].arp_dot1q_table_index;
1470 tag_table = mvec[match_type_index].arp_dot1ad_table_index;
1481 memcpy (&mask[l3_src_offs + 8], a->rules[i].src_mac, 6);
1482 memcpy (&mask[l3_src_offs + 14], &a->rules[i].src_ip_addr.ip4,
1484 vnet_classify_add_del_session (cm, tag_table, mask,
1485 a->rules[i].is_permit ? ~0 : 0,
1486 i, 0, action, metadata, 1);
1489 if (macip_permit_also_egress (a->rules[i].is_permit))
1491 /* Add the egress entry with destination set */
1492 for (tags = 2; tags >= 0; tags--)
1494 clib_memset (mask, 0, sizeof (mask));
1495 l3_dst_offs = tags * 4 + get_l3_dst_offset (is6);
1496 /* src mac in the other direction becomes dst */
1497 memcpy (&mask[0], a->rules[i].src_mac, 6);
1502 tag_table = mvec[match_type_index].out_table_index;
1506 tag_table = mvec[match_type_index].out_dot1q_table_index;
1512 tag_table = mvec[match_type_index].out_dot1ad_table_index;
1522 memcpy (&mask[l3_dst_offs], &a->rules[i].src_ip_addr.ip6,
1525 mask[eth + 1] = 0xdd;
1529 memcpy (&mask[l3_dst_offs], &a->rules[i].src_ip_addr.ip4,
1532 mask[eth + 1] = 0x00;
1535 /* add session to table mvec[match_type_index].table_index; */
1536 vnet_classify_add_del_session (cm, tag_table,
1538 a->rules[i].is_permit ? ~0 : 0,
1539 i, 0, action, metadata, 1);
1540 // clib_memset (&mask[12], 0, sizeof (mask) - 12);
1543 /* add ARP table entry too */
1544 if (!is6 && (mvec[match_type_index].out_arp_table_index != ~0))
1546 for (tags = 2; tags >= 0; tags--)
1548 clib_memset (mask, 0, sizeof (mask));
1553 tag_table = mvec[match_type_index].out_arp_table_index;
1559 mvec[match_type_index].out_arp_dot1q_table_index;
1567 mvec[match_type_index].out_arp_dot1ad_table_index;
1577 vnet_classify_add_del_session (cm, tag_table,
1580 rules[i].is_permit ? ~0 : 0,
1581 i, 0, action, metadata, 1);
1590 macip_destroy_classify_tables (acl_main_t * am, u32 macip_acl_index)
1592 vnet_classify_main_t *cm = &vnet_classify_main;
1593 macip_acl_list_t *a = pool_elt_at_index (am->macip_acls, macip_acl_index);
1595 if (a->ip4_table_index != ~0)
1597 acl_classify_add_del_table_small (cm, 0, ~0, ~0, ~0,
1598 &a->ip4_table_index, 0);
1599 a->ip4_table_index = ~0;
1601 if (a->ip6_table_index != ~0)
1603 acl_classify_add_del_table_small (cm, 0, ~0, ~0, ~0,
1604 &a->ip6_table_index, 0);
1605 a->ip6_table_index = ~0;
1607 if (a->l2_table_index != ~0)
1609 acl_classify_add_del_table_small (cm, 0, ~0, ~0, ~0, &a->l2_table_index,
1611 a->l2_table_index = ~0;
1613 if (a->out_ip4_table_index != ~0)
1615 acl_classify_add_del_table_small (cm, 0, ~0, ~0, ~0,
1616 &a->out_ip4_table_index, 0);
1617 a->out_ip4_table_index = ~0;
1619 if (a->out_ip6_table_index != ~0)
1621 acl_classify_add_del_table_small (cm, 0, ~0, ~0, ~0,
1622 &a->out_ip6_table_index, 0);
1623 a->out_ip6_table_index = ~0;
1625 if (a->out_l2_table_index != ~0)
1627 acl_classify_add_del_table_small (cm, 0, ~0, ~0, ~0,
1628 &a->out_l2_table_index, 0);
1629 a->out_l2_table_index = ~0;
1634 macip_maybe_apply_unapply_classifier_tables (acl_main_t * am, u32 acl_index,
1640 macip_acl_list_t *a = pool_elt_at_index (am->macip_acls, acl_index);
1642 for (i = 0; i < vec_len (am->macip_acl_by_sw_if_index); i++)
1643 if (vec_elt (am->macip_acl_by_sw_if_index, i) == acl_index)
1645 rv0 = vnet_set_input_acl_intfc (am->vlib_main, i, a->ip4_table_index,
1646 a->ip6_table_index, a->l2_table_index,
1648 /* return the first unhappy outcome but make try to plough through. */
1651 vnet_set_output_acl_intfc (am->vlib_main, i, a->out_ip4_table_index,
1652 a->out_ip6_table_index,
1653 a->out_l2_table_index, is_apply);
1654 /* return the first unhappy outcome but make try to plough through. */
1661 macip_acl_add_list (u32 count, vl_api_macip_acl_rule_t rules[],
1662 u32 * acl_list_index, u8 * tag)
1664 acl_main_t *am = &acl_main;
1665 macip_acl_list_t *a;
1666 macip_acl_rule_t *r;
1667 macip_acl_rule_t *acl_new_rules = 0;
1671 if (*acl_list_index != ~0)
1673 /* They supplied some number, let's see if this MACIP ACL exists */
1674 if (pool_is_free_index (am->macip_acls, *acl_list_index))
1676 /* tried to replace a non-existent ACL, no point doing anything */
1678 ("acl-plugin-error: Trying to replace nonexistent MACIP ACL %d (tag %s)",
1679 *acl_list_index, tag);
1680 return VNET_API_ERROR_NO_SUCH_ENTRY;
1687 ("acl-plugin-warning: Trying to create empty MACIP ACL (tag %s)",
1690 /* if replacing the ACL, unapply the classifier tables first - they will be gone.. */
1691 if (~0 != *acl_list_index)
1692 rv = macip_maybe_apply_unapply_classifier_tables (am, *acl_list_index, 0);
1693 void *oldheap = acl_set_heap (am);
1694 /* Create and populate the rules */
1696 vec_validate (acl_new_rules, count - 1);
1698 for (i = 0; i < count; i++)
1700 r = &acl_new_rules[i];
1701 r->is_permit = rules[i].is_permit;
1702 r->is_ipv6 = rules[i].is_ipv6;
1703 memcpy (&r->src_mac, rules[i].src_mac, 6);
1704 memcpy (&r->src_mac_mask, rules[i].src_mac_mask, 6);
1705 if (rules[i].is_ipv6)
1706 memcpy (&r->src_ip_addr.ip6, rules[i].src_ip_addr, 16);
1708 memcpy (&r->src_ip_addr.ip4, rules[i].src_ip_addr, 4);
1709 r->src_prefixlen = rules[i].src_ip_prefix_len;
1712 if (~0 == *acl_list_index)
1715 pool_get_aligned (am->macip_acls, a, CLIB_CACHE_LINE_BYTES);
1716 clib_memset (a, 0, sizeof (*a));
1717 /* Will return the newly allocated ACL index */
1718 *acl_list_index = a - am->macip_acls;
1722 a = pool_elt_at_index (am->macip_acls, *acl_list_index);
1725 vec_free (a->rules);
1727 macip_destroy_classify_tables (am, *acl_list_index);
1730 a->rules = acl_new_rules;
1732 memcpy (a->tag, tag, sizeof (a->tag));
1734 /* Create and populate the classifier tables */
1735 macip_create_classify_tables (am, *acl_list_index);
1736 clib_mem_set_heap (oldheap);
1737 /* If the ACL was already applied somewhere, reapply the newly created tables */
1739 || macip_maybe_apply_unapply_classifier_tables (am, *acl_list_index, 1);
1743 /* No check that sw_if_index denotes a valid interface - the callers
1744 * were supposed to validate.
1746 * That said, if sw_if_index corresponds to an interface that exists at all,
1747 * this function must return errors accordingly if the ACL is not applied.
1751 macip_acl_interface_del_acl (acl_main_t * am, u32 sw_if_index)
1754 u32 macip_acl_index;
1755 macip_acl_list_t *a;
1757 /* The vector is too short - MACIP ACL is not applied */
1758 if (sw_if_index >= vec_len (am->macip_acl_by_sw_if_index))
1759 return VNET_API_ERROR_NO_SUCH_ENTRY;
1761 macip_acl_index = am->macip_acl_by_sw_if_index[sw_if_index];
1762 /* No point in deleting MACIP ACL which is not applied */
1763 if (~0 == macip_acl_index)
1764 return VNET_API_ERROR_NO_SUCH_ENTRY;
1766 a = pool_elt_at_index (am->macip_acls, macip_acl_index);
1767 /* remove the classifier tables off the interface L2 ACL */
1769 vnet_set_input_acl_intfc (am->vlib_main, sw_if_index, a->ip4_table_index,
1770 a->ip6_table_index, a->l2_table_index, 0);
1772 vnet_set_output_acl_intfc (am->vlib_main, sw_if_index,
1773 a->out_ip4_table_index, a->out_ip6_table_index,
1774 a->out_l2_table_index, 0);
1775 /* Unset the MACIP ACL index */
1776 am->macip_acl_by_sw_if_index[sw_if_index] = ~0;
1777 /* macip_acl_interface_add_acl did a vec_add1() to this previously, so [sw_if_index] should be valid */
1778 u32 index = vec_search (am->sw_if_index_vec_by_macip_acl[macip_acl_index],
1781 vec_del1 (am->sw_if_index_vec_by_macip_acl[macip_acl_index], index);
1785 /* No check for validity of sw_if_index - the callers were supposed to validate */
1788 macip_acl_interface_add_acl (acl_main_t * am, u32 sw_if_index,
1789 u32 macip_acl_index)
1791 macip_acl_list_t *a;
1793 if (pool_is_free_index (am->macip_acls, macip_acl_index))
1795 return VNET_API_ERROR_NO_SUCH_ENTRY;
1797 void *oldheap = acl_set_heap (am);
1798 a = pool_elt_at_index (am->macip_acls, macip_acl_index);
1799 vec_validate_init_empty (am->macip_acl_by_sw_if_index, sw_if_index, ~0);
1800 vec_validate (am->sw_if_index_vec_by_macip_acl, macip_acl_index);
1801 vec_add1 (am->sw_if_index_vec_by_macip_acl[macip_acl_index], sw_if_index);
1802 clib_mem_set_heap (oldheap);
1803 /* If there already a MACIP ACL applied, unapply it */
1804 if (~0 != am->macip_acl_by_sw_if_index[sw_if_index])
1805 macip_acl_interface_del_acl (am, sw_if_index);
1806 am->macip_acl_by_sw_if_index[sw_if_index] = macip_acl_index;
1808 /* Apply the classifier tables for L2 ACLs */
1810 vnet_set_input_acl_intfc (am->vlib_main, sw_if_index, a->ip4_table_index,
1811 a->ip6_table_index, a->l2_table_index, 1);
1813 vnet_set_output_acl_intfc (am->vlib_main, sw_if_index,
1814 a->out_ip4_table_index, a->out_ip6_table_index,
1815 a->out_l2_table_index, 1);
1820 macip_acl_del_list (u32 acl_list_index)
1822 acl_main_t *am = &acl_main;
1823 macip_acl_list_t *a;
1825 if (pool_is_free_index (am->macip_acls, acl_list_index))
1827 return VNET_API_ERROR_NO_SUCH_ENTRY;
1830 /* delete any references to the ACL */
1831 for (i = 0; i < vec_len (am->macip_acl_by_sw_if_index); i++)
1833 if (am->macip_acl_by_sw_if_index[i] == acl_list_index)
1835 macip_acl_interface_del_acl (am, i);
1839 void *oldheap = acl_set_heap (am);
1840 /* Now that classifier tables are detached, clean them up */
1841 macip_destroy_classify_tables (am, acl_list_index);
1843 /* now we can delete the ACL itself */
1844 a = pool_elt_at_index (am->macip_acls, acl_list_index);
1847 vec_free (a->rules);
1849 pool_put (am->macip_acls, a);
1850 clib_mem_set_heap (oldheap);
1856 macip_acl_interface_add_del_acl (u32 sw_if_index, u8 is_add,
1859 acl_main_t *am = &acl_main;
1863 rv = macip_acl_interface_add_acl (am, sw_if_index, acl_list_index);
1867 rv = macip_acl_interface_del_acl (am, sw_if_index);
1873 * If the client does not allocate enough memory for a variable-length
1874 * message, and then proceed to use it as if the full memory allocated,
1875 * absent the check we happily consume that on the VPP side, and go
1876 * along as if nothing happened. However, the resulting
1877 * effects range from just garbage in the API decode
1878 * (because the decoder snoops too far), to potential memory
1881 * This verifies that the actual length of the message is
1882 * at least expected_len, and complains loudly if it is not.
1884 * A failing check here is 100% a software bug on the API user side,
1885 * so we might as well yell.
1889 verify_message_len (void *mp, u32 expected_len, char *where)
1891 u32 supplied_len = vl_msg_api_get_msg_length (mp);
1892 if (supplied_len < expected_len)
1894 clib_warning ("%s: Supplied message length %d is less than expected %d",
1895 where, supplied_len, expected_len);
1904 /* API message handler */
1906 vl_api_acl_add_replace_t_handler (vl_api_acl_add_replace_t * mp)
1908 vl_api_acl_add_replace_reply_t *rmp;
1909 acl_main_t *am = &acl_main;
1911 u32 acl_list_index = ntohl (mp->acl_index);
1912 u32 acl_count = ntohl (mp->count);
1913 u32 expected_len = sizeof (*mp) + acl_count * sizeof (mp->r[0]);
1915 if (verify_message_len (mp, expected_len, "acl_add_replace"))
1917 rv = acl_add_list (acl_count, mp->r, &acl_list_index, mp->tag);
1921 rv = VNET_API_ERROR_INVALID_VALUE;
1925 REPLY_MACRO2(VL_API_ACL_ADD_REPLACE_REPLY,
1927 rmp->acl_index = htonl(acl_list_index);
1933 vl_api_acl_del_t_handler (vl_api_acl_del_t * mp)
1935 acl_main_t *am = &acl_main;
1936 vl_api_acl_del_reply_t *rmp;
1939 rv = acl_del_list (ntohl (mp->acl_index));
1941 REPLY_MACRO (VL_API_ACL_DEL_REPLY);
1946 vl_api_acl_stats_intf_counters_enable_t_handler
1947 (vl_api_acl_stats_intf_counters_enable_t * mp)
1949 acl_main_t *am = &acl_main;
1950 vl_api_acl_stats_intf_counters_enable_reply_t *rmp;
1953 rv = acl_stats_intf_counters_enable_disable (am, mp->enable);
1955 REPLY_MACRO (VL_API_ACL_DEL_REPLY);
1960 vl_api_acl_interface_add_del_t_handler (vl_api_acl_interface_add_del_t * mp)
1962 acl_main_t *am = &acl_main;
1963 vnet_interface_main_t *im = &am->vnet_main->interface_main;
1964 u32 sw_if_index = ntohl (mp->sw_if_index);
1965 vl_api_acl_interface_add_del_reply_t *rmp;
1968 if (pool_is_free_index (im->sw_interfaces, sw_if_index))
1969 rv = VNET_API_ERROR_INVALID_SW_IF_INDEX;
1972 acl_interface_add_del_inout_acl (sw_if_index, mp->is_add,
1973 mp->is_input, ntohl (mp->acl_index));
1975 REPLY_MACRO (VL_API_ACL_INTERFACE_ADD_DEL_REPLY);
1979 vl_api_acl_interface_set_acl_list_t_handler
1980 (vl_api_acl_interface_set_acl_list_t * mp)
1982 acl_main_t *am = &acl_main;
1983 vl_api_acl_interface_set_acl_list_reply_t *rmp;
1986 vnet_interface_main_t *im = &am->vnet_main->interface_main;
1987 u32 sw_if_index = ntohl (mp->sw_if_index);
1989 if (pool_is_free_index (im->sw_interfaces, sw_if_index))
1990 rv = VNET_API_ERROR_INVALID_SW_IF_INDEX;
1993 int may_clear_sessions = 1;
1994 for (i = 0; i < mp->count; i++)
1996 if (acl_is_not_defined (am, ntohl (mp->acls[i])))
1998 /* ACL does not exist, so we can not apply it */
1999 rv = VNET_API_ERROR_NO_SUCH_ENTRY;
2004 void *oldheap = acl_set_heap (am);
2006 u32 *in_acl_vec = 0;
2007 u32 *out_acl_vec = 0;
2008 for (i = 0; i < mp->count; i++)
2009 if (i < mp->n_input)
2010 vec_add1 (in_acl_vec, clib_net_to_host_u32 (mp->acls[i]));
2012 vec_add1 (out_acl_vec, clib_net_to_host_u32 (mp->acls[i]));
2015 acl_interface_set_inout_acl_list (am, sw_if_index, 0, out_acl_vec,
2016 &may_clear_sessions);
2018 || acl_interface_set_inout_acl_list (am, sw_if_index, 1,
2020 &may_clear_sessions);
2021 vec_free (in_acl_vec);
2022 vec_free (out_acl_vec);
2023 clib_mem_set_heap (oldheap);
2027 REPLY_MACRO (VL_API_ACL_INTERFACE_SET_ACL_LIST_REPLY);
2031 copy_acl_rule_to_api_rule (vl_api_acl_rule_t * api_rule, acl_rule_t * r)
2033 api_rule->is_permit = r->is_permit;
2034 api_rule->is_ipv6 = r->is_ipv6;
2037 memcpy (api_rule->src_ip_addr, &r->src, sizeof (r->src));
2038 memcpy (api_rule->dst_ip_addr, &r->dst, sizeof (r->dst));
2042 memcpy (api_rule->src_ip_addr, &r->src.ip4, sizeof (r->src.ip4));
2043 memcpy (api_rule->dst_ip_addr, &r->dst.ip4, sizeof (r->dst.ip4));
2045 api_rule->src_ip_prefix_len = r->src_prefixlen;
2046 api_rule->dst_ip_prefix_len = r->dst_prefixlen;
2047 api_rule->proto = r->proto;
2048 api_rule->srcport_or_icmptype_first = htons (r->src_port_or_type_first);
2049 api_rule->srcport_or_icmptype_last = htons (r->src_port_or_type_last);
2050 api_rule->dstport_or_icmpcode_first = htons (r->dst_port_or_code_first);
2051 api_rule->dstport_or_icmpcode_last = htons (r->dst_port_or_code_last);
2052 api_rule->tcp_flags_mask = r->tcp_flags_mask;
2053 api_rule->tcp_flags_value = r->tcp_flags_value;
2057 send_acl_details (acl_main_t * am, vl_api_registration_t * reg,
2058 acl_list_t * acl, u32 context)
2060 vl_api_acl_details_t *mp;
2061 vl_api_acl_rule_t *rules;
2063 acl_rule_t *acl_rules = acl->rules;
2064 int msg_size = sizeof (*mp) + sizeof (mp->r[0]) * vec_len (acl_rules);
2065 void *oldheap = acl_set_heap (am);
2067 mp = vl_msg_api_alloc (msg_size);
2068 clib_memset (mp, 0, msg_size);
2069 mp->_vl_msg_id = ntohs (VL_API_ACL_DETAILS + am->msg_id_base);
2071 /* fill in the message */
2072 mp->context = context;
2073 mp->count = htonl (vec_len (acl_rules));
2074 mp->acl_index = htonl (acl - am->acls);
2075 memcpy (mp->tag, acl->tag, sizeof (mp->tag));
2076 // clib_memcpy (mp->r, acl->rules, acl->count * sizeof(acl->rules[0]));
2078 for (i = 0; i < vec_len (acl_rules); i++)
2080 copy_acl_rule_to_api_rule (&rules[i], &acl_rules[i]);
2083 clib_mem_set_heap (oldheap);
2084 vl_api_send_msg (reg, (u8 *) mp);
2089 vl_api_acl_dump_t_handler (vl_api_acl_dump_t * mp)
2091 acl_main_t *am = &acl_main;
2095 vl_api_registration_t *reg;
2097 reg = vl_api_client_index_to_registration (mp->client_index);
2101 if (mp->acl_index == ~0)
2104 /* Just dump all ACLs */
2105 pool_foreach (acl, am->acls,
2107 send_acl_details(am, reg, acl, mp->context);
2113 acl_index = ntohl (mp->acl_index);
2114 if (!pool_is_free_index (am->acls, acl_index))
2116 acl = pool_elt_at_index (am->acls, acl_index);
2117 send_acl_details (am, reg, acl, mp->context);
2123 /* FIXME API: should we signal an error here at all ? */
2129 send_acl_interface_list_details (acl_main_t * am,
2130 vl_api_registration_t * reg,
2131 u32 sw_if_index, u32 context)
2133 vl_api_acl_interface_list_details_t *mp;
2139 void *oldheap = acl_set_heap (am);
2141 vec_validate (am->input_acl_vec_by_sw_if_index, sw_if_index);
2142 vec_validate (am->output_acl_vec_by_sw_if_index, sw_if_index);
2144 clib_mem_set_heap (oldheap);
2146 n_input = vec_len (am->input_acl_vec_by_sw_if_index[sw_if_index]);
2147 n_output = vec_len (am->output_acl_vec_by_sw_if_index[sw_if_index]);
2148 count = n_input + n_output;
2150 msg_size = sizeof (*mp);
2151 msg_size += sizeof (mp->acls[0]) * count;
2153 mp = vl_msg_api_alloc (msg_size);
2154 clib_memset (mp, 0, msg_size);
2156 ntohs (VL_API_ACL_INTERFACE_LIST_DETAILS + am->msg_id_base);
2158 /* fill in the message */
2159 mp->context = context;
2160 mp->sw_if_index = htonl (sw_if_index);
2162 mp->n_input = n_input;
2163 for (i = 0; i < n_input; i++)
2165 mp->acls[i] = htonl (am->input_acl_vec_by_sw_if_index[sw_if_index][i]);
2167 for (i = 0; i < n_output; i++)
2169 mp->acls[n_input + i] =
2170 htonl (am->output_acl_vec_by_sw_if_index[sw_if_index][i]);
2172 vl_api_send_msg (reg, (u8 *) mp);
2176 vl_api_acl_interface_list_dump_t_handler (vl_api_acl_interface_list_dump_t *
2179 acl_main_t *am = &acl_main;
2180 vnet_sw_interface_t *swif;
2181 vnet_interface_main_t *im = &am->vnet_main->interface_main;
2184 vl_api_registration_t *reg;
2186 reg = vl_api_client_index_to_registration (mp->client_index);
2190 if (mp->sw_if_index == ~0)
2193 pool_foreach (swif, im->sw_interfaces,
2195 send_acl_interface_list_details(am, reg, swif->sw_if_index, mp->context);
2201 sw_if_index = ntohl (mp->sw_if_index);
2202 if (!pool_is_free_index (im->sw_interfaces, sw_if_index))
2203 send_acl_interface_list_details (am, reg, sw_if_index, mp->context);
2207 /* MACIP ACL API handlers */
2210 vl_api_macip_acl_add_t_handler (vl_api_macip_acl_add_t * mp)
2212 vl_api_macip_acl_add_reply_t *rmp;
2213 acl_main_t *am = &acl_main;
2215 u32 acl_list_index = ~0;
2216 u32 acl_count = ntohl (mp->count);
2217 u32 expected_len = sizeof (*mp) + acl_count * sizeof (mp->r[0]);
2219 if (verify_message_len (mp, expected_len, "macip_acl_add"))
2221 rv = macip_acl_add_list (acl_count, mp->r, &acl_list_index, mp->tag);
2225 rv = VNET_API_ERROR_INVALID_VALUE;
2229 REPLY_MACRO2(VL_API_MACIP_ACL_ADD_REPLY,
2231 rmp->acl_index = htonl(acl_list_index);
2237 vl_api_macip_acl_add_replace_t_handler (vl_api_macip_acl_add_replace_t * mp)
2239 vl_api_macip_acl_add_replace_reply_t *rmp;
2240 acl_main_t *am = &acl_main;
2242 u32 acl_list_index = ntohl (mp->acl_index);
2243 u32 acl_count = ntohl (mp->count);
2244 u32 expected_len = sizeof (*mp) + acl_count * sizeof (mp->r[0]);
2246 if (verify_message_len (mp, expected_len, "macip_acl_add_replace"))
2248 rv = macip_acl_add_list (acl_count, mp->r, &acl_list_index, mp->tag);
2252 rv = VNET_API_ERROR_INVALID_VALUE;
2256 REPLY_MACRO2(VL_API_MACIP_ACL_ADD_REPLACE_REPLY,
2258 rmp->acl_index = htonl(acl_list_index);
2264 vl_api_macip_acl_del_t_handler (vl_api_macip_acl_del_t * mp)
2266 acl_main_t *am = &acl_main;
2267 vl_api_macip_acl_del_reply_t *rmp;
2270 rv = macip_acl_del_list (ntohl (mp->acl_index));
2272 REPLY_MACRO (VL_API_MACIP_ACL_DEL_REPLY);
2276 vl_api_macip_acl_interface_add_del_t_handler
2277 (vl_api_macip_acl_interface_add_del_t * mp)
2279 acl_main_t *am = &acl_main;
2280 vl_api_macip_acl_interface_add_del_reply_t *rmp;
2282 vnet_interface_main_t *im = &am->vnet_main->interface_main;
2283 u32 sw_if_index = ntohl (mp->sw_if_index);
2285 if (pool_is_free_index (im->sw_interfaces, sw_if_index))
2286 rv = VNET_API_ERROR_INVALID_SW_IF_INDEX;
2289 macip_acl_interface_add_del_acl (ntohl (mp->sw_if_index), mp->is_add,
2290 ntohl (mp->acl_index));
2292 REPLY_MACRO (VL_API_MACIP_ACL_INTERFACE_ADD_DEL_REPLY);
2296 send_macip_acl_details (acl_main_t * am, vl_api_registration_t * reg,
2297 macip_acl_list_t * acl, u32 context)
2299 vl_api_macip_acl_details_t *mp;
2300 vl_api_macip_acl_rule_t *rules;
2301 macip_acl_rule_t *r;
2303 int msg_size = sizeof (*mp) + (acl ? sizeof (mp->r[0]) * acl->count : 0);
2305 mp = vl_msg_api_alloc (msg_size);
2306 clib_memset (mp, 0, msg_size);
2307 mp->_vl_msg_id = ntohs (VL_API_MACIP_ACL_DETAILS + am->msg_id_base);
2309 /* fill in the message */
2310 mp->context = context;
2313 memcpy (mp->tag, acl->tag, sizeof (mp->tag));
2314 mp->count = htonl (acl->count);
2315 mp->acl_index = htonl (acl - am->macip_acls);
2317 for (i = 0; i < acl->count; i++)
2320 rules[i].is_permit = r->is_permit;
2321 rules[i].is_ipv6 = r->is_ipv6;
2322 memcpy (rules[i].src_mac, &r->src_mac, sizeof (r->src_mac));
2323 memcpy (rules[i].src_mac_mask, &r->src_mac_mask,
2324 sizeof (r->src_mac_mask));
2326 memcpy (rules[i].src_ip_addr, &r->src_ip_addr.ip6,
2327 sizeof (r->src_ip_addr.ip6));
2329 memcpy (rules[i].src_ip_addr, &r->src_ip_addr.ip4,
2330 sizeof (r->src_ip_addr.ip4));
2331 rules[i].src_ip_prefix_len = r->src_prefixlen;
2336 /* No martini, no party - no ACL applied to this interface. */
2341 vl_api_send_msg (reg, (u8 *) mp);
2346 vl_api_macip_acl_dump_t_handler (vl_api_macip_acl_dump_t * mp)
2348 acl_main_t *am = &acl_main;
2349 macip_acl_list_t *acl;
2351 vl_api_registration_t *reg;
2353 reg = vl_api_client_index_to_registration (mp->client_index);
2357 if (mp->acl_index == ~0)
2359 /* Just dump all ACLs for now, with sw_if_index = ~0 */
2360 pool_foreach (acl, am->macip_acls, (
2362 send_macip_acl_details (am, reg,
2371 u32 acl_index = ntohl (mp->acl_index);
2372 if (!pool_is_free_index (am->macip_acls, acl_index))
2374 acl = pool_elt_at_index (am->macip_acls, acl_index);
2375 send_macip_acl_details (am, reg, acl, mp->context);
2381 vl_api_macip_acl_interface_get_t_handler (vl_api_macip_acl_interface_get_t *
2384 acl_main_t *am = &acl_main;
2385 vl_api_macip_acl_interface_get_reply_t *rmp;
2386 u32 count = vec_len (am->macip_acl_by_sw_if_index);
2387 int msg_size = sizeof (*rmp) + sizeof (rmp->acls[0]) * count;
2388 vl_api_registration_t *reg;
2391 reg = vl_api_client_index_to_registration (mp->client_index);
2395 rmp = vl_msg_api_alloc (msg_size);
2396 clib_memset (rmp, 0, msg_size);
2398 ntohs (VL_API_MACIP_ACL_INTERFACE_GET_REPLY + am->msg_id_base);
2399 rmp->context = mp->context;
2400 rmp->count = htonl (count);
2401 for (i = 0; i < count; i++)
2403 rmp->acls[i] = htonl (am->macip_acl_by_sw_if_index[i]);
2406 vl_api_send_msg (reg, (u8 *) rmp);
2410 send_macip_acl_interface_list_details (acl_main_t * am,
2411 vl_api_registration_t * reg,
2413 u32 acl_index, u32 context)
2415 vl_api_macip_acl_interface_list_details_t *rmp;
2416 /* at this time there is only ever 1 mac ip acl per interface */
2417 int msg_size = sizeof (*rmp) + sizeof (rmp->acls[0]);
2419 rmp = vl_msg_api_alloc (msg_size);
2420 clib_memset (rmp, 0, msg_size);
2422 ntohs (VL_API_MACIP_ACL_INTERFACE_LIST_DETAILS + am->msg_id_base);
2424 /* fill in the message */
2425 rmp->context = context;
2427 rmp->sw_if_index = htonl (sw_if_index);
2428 rmp->acls[0] = htonl (acl_index);
2430 vl_api_send_msg (reg, (u8 *) rmp);
2434 vl_api_macip_acl_interface_list_dump_t_handler
2435 (vl_api_macip_acl_interface_list_dump_t * mp)
2437 vl_api_registration_t *reg;
2438 acl_main_t *am = &acl_main;
2439 u32 sw_if_index = ntohl (mp->sw_if_index);
2441 reg = vl_api_client_index_to_registration (mp->client_index);
2445 if (sw_if_index == ~0)
2447 vec_foreach_index (sw_if_index, am->macip_acl_by_sw_if_index)
2449 if (~0 != am->macip_acl_by_sw_if_index[sw_if_index])
2451 send_macip_acl_interface_list_details (am, reg, sw_if_index,
2452 am->macip_acl_by_sw_if_index
2460 if (vec_len (am->macip_acl_by_sw_if_index) > sw_if_index)
2462 send_macip_acl_interface_list_details (am, reg, sw_if_index,
2463 am->macip_acl_by_sw_if_index
2464 [sw_if_index], mp->context);
2470 vl_api_acl_interface_set_etype_whitelist_t_handler
2471 (vl_api_acl_interface_set_etype_whitelist_t * mp)
2473 acl_main_t *am = &acl_main;
2474 vl_api_acl_interface_set_etype_whitelist_reply_t *rmp;
2477 vnet_interface_main_t *im = &am->vnet_main->interface_main;
2478 u32 sw_if_index = ntohl (mp->sw_if_index);
2479 u16 *vec_in = 0, *vec_out = 0;
2480 void *oldheap = acl_set_heap (am);
2482 if (pool_is_free_index (im->sw_interfaces, sw_if_index))
2483 rv = VNET_API_ERROR_INVALID_SW_IF_INDEX;
2486 for (i = 0; i < mp->count; i++)
2488 if (i < mp->n_input)
2489 vec_add1 (vec_in, ntohs (mp->whitelist[i]));
2491 vec_add1 (vec_out, ntohs (mp->whitelist[i]));
2493 rv = acl_set_etype_whitelists (am, sw_if_index, vec_in, vec_out);
2496 clib_mem_set_heap (oldheap);
2497 REPLY_MACRO (VL_API_ACL_INTERFACE_SET_ETYPE_WHITELIST_REPLY);
2501 send_acl_interface_etype_whitelist_details (acl_main_t * am,
2502 vl_api_registration_t * reg,
2503 u32 sw_if_index, u32 context)
2505 vl_api_acl_interface_etype_whitelist_details_t *mp;
2512 u16 *whitelist_in = 0;
2513 u16 *whitelist_out = 0;
2515 if (intf_has_etype_whitelist (am, sw_if_index, 0))
2517 vec_elt (am->output_etype_whitelist_by_sw_if_index, sw_if_index);
2519 if (intf_has_etype_whitelist (am, sw_if_index, 1))
2521 vec_elt (am->input_etype_whitelist_by_sw_if_index, sw_if_index);
2523 if ((0 == whitelist_in) && (0 == whitelist_out))
2524 return; /* nothing to do */
2526 void *oldheap = acl_set_heap (am);
2528 n_input = vec_len (whitelist_in);
2529 n_output = vec_len (whitelist_out);
2530 count = n_input + n_output;
2532 msg_size = sizeof (*mp);
2533 msg_size += sizeof (mp->whitelist[0]) * count;
2535 mp = vl_msg_api_alloc (msg_size);
2536 clib_memset (mp, 0, msg_size);
2538 ntohs (VL_API_ACL_INTERFACE_ETYPE_WHITELIST_DETAILS + am->msg_id_base);
2540 /* fill in the message */
2541 mp->context = context;
2542 mp->sw_if_index = htonl (sw_if_index);
2544 mp->n_input = n_input;
2545 for (i = 0; i < n_input; i++)
2547 mp->whitelist[i] = htons (whitelist_in[i]);
2549 for (i = 0; i < n_output; i++)
2551 mp->whitelist[n_input + i] = htons (whitelist_out[i]);
2553 clib_mem_set_heap (oldheap);
2554 vl_api_send_msg (reg, (u8 *) mp);
2559 vl_api_acl_interface_etype_whitelist_dump_t_handler
2560 (vl_api_acl_interface_list_dump_t * mp)
2562 acl_main_t *am = &acl_main;
2563 vnet_sw_interface_t *swif;
2564 vnet_interface_main_t *im = &am->vnet_main->interface_main;
2567 vl_api_registration_t *reg;
2569 reg = vl_api_client_index_to_registration (mp->client_index);
2573 if (mp->sw_if_index == ~0)
2576 pool_foreach (swif, im->sw_interfaces,
2578 send_acl_interface_etype_whitelist_details(am, reg, swif->sw_if_index, mp->context);
2584 sw_if_index = ntohl (mp->sw_if_index);
2585 if (!pool_is_free_index (im->sw_interfaces, sw_if_index))
2586 send_acl_interface_etype_whitelist_details (am, reg, sw_if_index,
2593 /* Set up the API message handling tables */
2594 static clib_error_t *
2595 acl_plugin_api_hookup (vlib_main_t * vm)
2597 acl_main_t *am = &acl_main;
2599 vl_msg_api_set_handlers((VL_API_##N + am->msg_id_base), \
2601 vl_api_##n##_t_handler, \
2603 vl_api_##n##_t_endian, \
2604 vl_api_##n##_t_print, \
2605 sizeof(vl_api_##n##_t), 1);
2606 foreach_acl_plugin_api_msg;
2612 #define vl_msg_name_crc_list
2613 #include <acl/acl_all_api_h.h>
2614 #undef vl_msg_name_crc_list
2617 setup_message_id_table (acl_main_t * am, api_main_t * apim)
2619 #define _(id,n,crc) \
2620 vl_msg_api_add_msg_name_crc (apim, #n "_" #crc, id + am->msg_id_base);
2621 foreach_vl_msg_name_crc_acl;
2626 acl_set_timeout_sec (int timeout_type, u32 value)
2628 acl_main_t *am = &acl_main;
2629 clib_time_t *ct = &am->vlib_main->clib_time;
2631 if (timeout_type < ACL_N_TIMEOUTS)
2633 am->session_timeout_sec[timeout_type] = value;
2637 clib_warning ("Unknown timeout type %d", timeout_type);
2640 am->session_timeout[timeout_type] =
2641 (u64) (((f64) value) / ct->seconds_per_clock);
2645 acl_set_session_max_entries (u32 value)
2647 acl_main_t *am = &acl_main;
2648 am->fa_conn_table_max_entries = value;
2652 acl_set_skip_ipv6_eh (u32 eh, u32 value)
2654 acl_main_t *am = &acl_main;
2656 if ((eh < 256) && (value < 2))
2658 am->fa_ipv6_known_eh_bitmap =
2659 clib_bitmap_set (am->fa_ipv6_known_eh_bitmap, eh, value);
2667 static clib_error_t *
2668 acl_sw_interface_add_del (vnet_main_t * vnm, u32 sw_if_index, u32 is_add)
2670 acl_main_t *am = &acl_main;
2671 if (0 == am->acl_mheap)
2673 /* ACL heap is not initialized, so definitely nothing to do. */
2678 int may_clear_sessions = 1;
2679 vlib_process_signal_event (am->vlib_main, am->fa_cleaner_node_index,
2680 ACL_FA_CLEANER_DELETE_BY_SW_IF_INDEX,
2682 /* also unapply any ACLs in case the users did not do so. */
2683 macip_acl_interface_del_acl (am, sw_if_index);
2684 acl_interface_reset_inout_acls (sw_if_index, 0, &may_clear_sessions);
2685 acl_interface_reset_inout_acls (sw_if_index, 1, &may_clear_sessions);
2690 VNET_SW_INTERFACE_ADD_DEL_FUNCTION (acl_sw_interface_add_del);
2694 static clib_error_t *
2695 acl_set_aclplugin_fn (vlib_main_t * vm,
2696 unformat_input_t * input, vlib_cli_command_t * cmd)
2698 clib_error_t *error = 0;
2702 uword memory_size = 0;
2703 acl_main_t *am = &acl_main;
2705 if (unformat (input, "skip-ipv6-extension-header %u %u", &eh_val, &val))
2707 if (!acl_set_skip_ipv6_eh (eh_val, val))
2709 error = clib_error_return (0, "expecting eh=0..255, value=0..1");
2713 if (unformat (input, "use-hash-acl-matching %u", &val))
2715 am->use_hash_acl_matching = (val != 0);
2718 if (unformat (input, "l4-match-nonfirst-fragment %u", &val))
2720 am->l4_match_nonfirst_fragment = (val != 0);
2723 if (unformat (input, "reclassify-sessions %u", &val))
2725 am->reclassify_sessions = (val != 0);
2728 if (unformat (input, "event-trace"))
2730 if (!unformat (input, "%u", &val))
2732 error = clib_error_return (0,
2733 "expecting trace level, got `%U`",
2734 format_unformat_error, input);
2739 am->trace_acl = val;
2743 if (unformat (input, "heap"))
2745 if (unformat (input, "main"))
2747 if (unformat (input, "validate %u", &val))
2748 acl_plugin_acl_set_validate_heap (am, val);
2749 else if (unformat (input, "trace %u", &val))
2750 acl_plugin_acl_set_trace_heap (am, val);
2753 else if (unformat (input, "hash"))
2755 if (unformat (input, "validate %u", &val))
2756 acl_plugin_hash_acl_set_validate_heap (val);
2757 else if (unformat (input, "trace %u", &val))
2758 acl_plugin_hash_acl_set_trace_heap (val);
2763 if (unformat (input, "session"))
2765 if (unformat (input, "table"))
2767 /* The commands here are for tuning/testing. No user-serviceable parts inside */
2768 if (unformat (input, "max-entries"))
2770 if (!unformat (input, "%u", &val))
2772 error = clib_error_return (0,
2773 "expecting maximum number of entries, got `%U`",
2774 format_unformat_error, input);
2779 acl_set_session_max_entries (val);
2783 if (unformat (input, "hash-table-buckets"))
2785 if (!unformat (input, "%u", &val))
2787 error = clib_error_return (0,
2788 "expecting maximum number of hash table buckets, got `%U`",
2789 format_unformat_error, input);
2794 am->fa_conn_table_hash_num_buckets = val;
2798 if (unformat (input, "hash-table-memory"))
2800 if (!unformat (input, "%U", unformat_memory_size, &memory_size))
2802 error = clib_error_return (0,
2803 "expecting maximum amount of hash table memory, got `%U`",
2804 format_unformat_error, input);
2809 am->fa_conn_table_hash_memory_size = memory_size;
2813 if (unformat (input, "event-trace"))
2815 if (!unformat (input, "%u", &val))
2817 error = clib_error_return (0,
2818 "expecting trace level, got `%U`",
2819 format_unformat_error, input);
2824 am->trace_sessions = val;
2830 if (unformat (input, "timeout"))
2832 if (unformat (input, "udp"))
2834 if (unformat (input, "idle"))
2836 if (!unformat (input, "%u", &timeout))
2838 error = clib_error_return (0,
2839 "expecting timeout value in seconds, got `%U`",
2840 format_unformat_error,
2846 acl_set_timeout_sec (ACL_TIMEOUT_UDP_IDLE, timeout);
2851 if (unformat (input, "tcp"))
2853 if (unformat (input, "idle"))
2855 if (!unformat (input, "%u", &timeout))
2857 error = clib_error_return (0,
2858 "expecting timeout value in seconds, got `%U`",
2859 format_unformat_error,
2865 acl_set_timeout_sec (ACL_TIMEOUT_TCP_IDLE, timeout);
2869 if (unformat (input, "transient"))
2871 if (!unformat (input, "%u", &timeout))
2873 error = clib_error_return (0,
2874 "expecting timeout value in seconds, got `%U`",
2875 format_unformat_error,
2881 acl_set_timeout_sec (ACL_TIMEOUT_TCP_TRANSIENT,
2895 my_format_mac_address (u8 * s, va_list * args)
2897 u8 *a = va_arg (*args, u8 *);
2898 return format (s, "%02x:%02x:%02x:%02x:%02x:%02x",
2899 a[0], a[1], a[2], a[3], a[4], a[5]);
2903 my_macip_acl_rule_t_pretty_format (u8 * out, va_list * args)
2905 macip_acl_rule_t *a = va_arg (*args, macip_acl_rule_t *);
2907 out = format (out, "%s action %d ip %U/%d mac %U mask %U",
2908 a->is_ipv6 ? "ipv6" : "ipv4", a->is_permit,
2909 format_ip46_address, &a->src_ip_addr,
2910 a->is_ipv6 ? IP46_TYPE_IP6 : IP46_TYPE_IP4,
2912 my_format_mac_address, a->src_mac,
2913 my_format_mac_address, a->src_mac_mask);
2918 macip_acl_print (acl_main_t * am, u32 macip_acl_index)
2920 vlib_main_t *vm = am->vlib_main;
2923 /* Don't try to print someone else's memory */
2924 if (macip_acl_index >= vec_len (am->macip_acls))
2927 macip_acl_list_t *a = vec_elt_at_index (am->macip_acls, macip_acl_index);
2928 int free_pool_slot = pool_is_free_index (am->macip_acls, macip_acl_index);
2930 vlib_cli_output (vm,
2931 "MACIP acl_index: %d, count: %d (true len %d) tag {%s} is free pool slot: %d\n",
2932 macip_acl_index, a->count, vec_len (a->rules), a->tag,
2934 vlib_cli_output (vm,
2935 " ip4_table_index %d, ip6_table_index %d, l2_table_index %d\n",
2936 a->ip4_table_index, a->ip6_table_index, a->l2_table_index);
2937 vlib_cli_output (vm,
2938 " out_ip4_table_index %d, out_ip6_table_index %d, out_l2_table_index %d\n",
2939 a->out_ip4_table_index, a->out_ip6_table_index,
2940 a->out_l2_table_index);
2941 for (i = 0; i < vec_len (a->rules); i++)
2942 vlib_cli_output (vm, " rule %d: %U\n", i,
2943 my_macip_acl_rule_t_pretty_format,
2944 vec_elt_at_index (a->rules, i));
2948 static clib_error_t *
2949 acl_show_aclplugin_macip_acl_fn (vlib_main_t * vm,
2951 input, vlib_cli_command_t * cmd)
2953 clib_error_t *error = 0;
2954 acl_main_t *am = &acl_main;
2958 (void) unformat (input, "index %u", &acl_index);
2960 for (i = 0; i < vec_len (am->macip_acls); i++)
2962 /* Don't attempt to show the ACLs that do not exist */
2963 if (pool_is_free_index (am->macip_acls, i))
2966 if ((acl_index != ~0) && (acl_index != i))
2971 macip_acl_print (am, i);
2972 if (i < vec_len (am->sw_if_index_vec_by_macip_acl))
2974 vlib_cli_output (vm, " applied on sw_if_index(s): %U\n",
2976 vec_elt (am->sw_if_index_vec_by_macip_acl, i),
2984 static clib_error_t *
2985 acl_show_aclplugin_macip_interface_fn (vlib_main_t * vm,
2987 input, vlib_cli_command_t * cmd)
2989 clib_error_t *error = 0;
2990 acl_main_t *am = &acl_main;
2992 for (i = 0; i < vec_len (am->macip_acl_by_sw_if_index); i++)
2994 vlib_cli_output (vm, " sw_if_index %d: %d\n", i,
2995 vec_elt (am->macip_acl_by_sw_if_index, i));
3001 acl_plugin_show_acl (acl_main_t * am, u32 acl_index)
3004 vlib_main_t *vm = am->vlib_main;
3006 for (i = 0; i < vec_len (am->acls); i++)
3008 if (acl_is_not_defined (am, i))
3010 /* don't attempt to show the ACLs that do not exist */
3013 if ((acl_index != ~0) && (acl_index != i))
3017 acl_print_acl (vm, am, i);
3019 if (i < vec_len (am->input_sw_if_index_vec_by_acl))
3021 vlib_cli_output (vm, " applied inbound on sw_if_index: %U\n",
3022 format_vec32, am->input_sw_if_index_vec_by_acl[i],
3025 if (i < vec_len (am->output_sw_if_index_vec_by_acl))
3027 vlib_cli_output (vm, " applied outbound on sw_if_index: %U\n",
3028 format_vec32, am->output_sw_if_index_vec_by_acl[i],
3031 if (i < vec_len (am->lc_index_vec_by_acl))
3033 vlib_cli_output (vm, " used in lookup context index: %U\n",
3034 format_vec32, am->lc_index_vec_by_acl[i], "%d");
3039 static clib_error_t *
3040 acl_show_aclplugin_acl_fn (vlib_main_t * vm,
3041 unformat_input_t * input, vlib_cli_command_t * cmd)
3043 clib_error_t *error = 0;
3044 acl_main_t *am = &acl_main;
3047 (void) unformat (input, "index %u", &acl_index);
3049 acl_plugin_show_acl (am, acl_index);
3053 static clib_error_t *
3054 acl_show_aclplugin_lookup_context_fn (vlib_main_t * vm,
3055 unformat_input_t * input,
3056 vlib_cli_command_t * cmd)
3058 clib_error_t *error = 0;
3061 (void) unformat (input, "index %u", &lc_index);
3063 acl_plugin_show_lookup_context (lc_index);
3067 static clib_error_t *
3068 acl_show_aclplugin_lookup_user_fn (vlib_main_t * vm,
3069 unformat_input_t * input,
3070 vlib_cli_command_t * cmd)
3072 clib_error_t *error = 0;
3075 (void) unformat (input, "index %u", &lc_index);
3077 acl_plugin_show_lookup_user (lc_index);
3083 acl_plugin_show_interface (acl_main_t * am, u32 sw_if_index, int show_acl,
3086 vlib_main_t *vm = am->vlib_main;
3089 for (swi = 0; (swi < vec_len (am->input_acl_vec_by_sw_if_index)) ||
3090 (swi < vec_len (am->output_acl_vec_by_sw_if_index)); swi++)
3092 /* if we need a particular interface, skip all the others */
3093 if ((sw_if_index != ~0) && (sw_if_index != swi))
3096 vlib_cli_output (vm, "sw_if_index %d:\n", swi);
3097 if (swi < vec_len (am->input_policy_epoch_by_sw_if_index))
3098 vlib_cli_output (vm, " input policy epoch: %x\n",
3099 vec_elt (am->input_policy_epoch_by_sw_if_index,
3101 if (swi < vec_len (am->output_policy_epoch_by_sw_if_index))
3102 vlib_cli_output (vm, " output policy epoch: %x\n",
3103 vec_elt (am->output_policy_epoch_by_sw_if_index,
3107 if (intf_has_etype_whitelist (am, swi, 1))
3109 vlib_cli_output (vm, " input etype whitelist: %U", format_vec16,
3110 am->input_etype_whitelist_by_sw_if_index[swi],
3113 if (intf_has_etype_whitelist (am, swi, 0))
3115 vlib_cli_output (vm, " output etype whitelist: %U", format_vec16,
3116 am->output_etype_whitelist_by_sw_if_index[swi],
3120 if ((swi < vec_len (am->input_acl_vec_by_sw_if_index)) &&
3121 (vec_len (am->input_acl_vec_by_sw_if_index[swi]) > 0))
3123 vlib_cli_output (vm, " input acl(s): %U", format_vec32,
3124 am->input_acl_vec_by_sw_if_index[swi], "%d");
3127 vlib_cli_output (vm, "\n");
3128 vec_foreach (pj, am->input_acl_vec_by_sw_if_index[swi])
3130 acl_print_acl (vm, am, *pj);
3132 vlib_cli_output (vm, "\n");
3136 if ((swi < vec_len (am->output_acl_vec_by_sw_if_index)) &&
3137 (vec_len (am->output_acl_vec_by_sw_if_index[swi]) > 0))
3139 vlib_cli_output (vm, " output acl(s): %U", format_vec32,
3140 am->output_acl_vec_by_sw_if_index[swi], "%d");
3143 vlib_cli_output (vm, "\n");
3144 vec_foreach (pj, am->output_acl_vec_by_sw_if_index[swi])
3146 acl_print_acl (vm, am, *pj);
3148 vlib_cli_output (vm, "\n");
3151 if (detail && (swi < vec_len (am->input_lc_index_by_sw_if_index)))
3153 vlib_cli_output (vm, " input lookup context index: %d",
3154 am->input_lc_index_by_sw_if_index[swi]);
3156 if (detail && (swi < vec_len (am->output_lc_index_by_sw_if_index)))
3158 vlib_cli_output (vm, " output lookup context index: %d",
3159 am->output_lc_index_by_sw_if_index[swi]);
3166 static clib_error_t *
3167 acl_show_aclplugin_decode_5tuple_fn (vlib_main_t * vm,
3168 unformat_input_t * input,
3169 vlib_cli_command_t * cmd)
3171 clib_error_t *error = 0;
3172 u64 five_tuple[6] = { 0, 0, 0, 0, 0, 0 };
3175 (input, "%llx %llx %llx %llx %llx %llx", &five_tuple[0], &five_tuple[1],
3176 &five_tuple[2], &five_tuple[3], &five_tuple[4], &five_tuple[5]))
3177 vlib_cli_output (vm, "5-tuple structure decode: %U\n\n",
3178 format_acl_plugin_5tuple, five_tuple);
3180 error = clib_error_return (0, "expecting 6 hex integers");
3185 static clib_error_t *
3186 acl_show_aclplugin_interface_fn (vlib_main_t * vm,
3188 input, vlib_cli_command_t * cmd)
3190 clib_error_t *error = 0;
3191 acl_main_t *am = &acl_main;
3193 u32 sw_if_index = ~0;
3194 (void) unformat (input, "sw_if_index %u", &sw_if_index);
3195 int show_acl = unformat (input, "acl");
3196 int detail = unformat (input, "detail");
3198 acl_plugin_show_interface (am, sw_if_index, show_acl, detail);
3202 static clib_error_t *
3203 acl_show_aclplugin_memory_fn (vlib_main_t * vm,
3204 unformat_input_t * input,
3205 vlib_cli_command_t * cmd)
3207 clib_error_t *error = 0;
3208 acl_main_t *am = &acl_main;
3210 vlib_cli_output (vm, "ACL plugin main heap statistics:\n");
3213 vlib_cli_output (vm, " %U\n", format_mheap, am->acl_mheap, 1);
3217 vlib_cli_output (vm, " Not initialized\n");
3219 vlib_cli_output (vm, "ACL hash lookup support heap statistics:\n");
3220 if (am->hash_lookup_mheap)
3222 vlib_cli_output (vm, " %U\n", format_mheap, am->hash_lookup_mheap, 1);
3226 vlib_cli_output (vm, " Not initialized\n");
3232 acl_plugin_show_sessions (acl_main_t * am,
3233 u32 show_session_thread_id,
3234 u32 show_session_session_index)
3236 vlib_main_t *vm = am->vlib_main;
3238 vnet_interface_main_t *im = &am->vnet_main->interface_main;
3239 vnet_sw_interface_t *swif;
3240 u64 now = clib_cpu_time_now ();
3241 u64 clocks_per_second = am->vlib_main->clib_time.clocks_per_second;
3244 u64 n_adds = am->fa_session_total_adds;
3245 u64 n_dels = am->fa_session_total_dels;
3246 u64 n_deact = am->fa_session_total_deactivations;
3247 vlib_cli_output (vm, "Sessions total: add %lu - del %lu = %lu", n_adds,
3248 n_dels, n_adds - n_dels);
3249 vlib_cli_output (vm, "Sessions active: add %lu - deact %lu = %lu", n_adds,
3250 n_deact, n_adds - n_deact);
3251 vlib_cli_output (vm, "Sessions being purged: deact %lu - del %lu = %lu",
3252 n_deact, n_dels, n_deact - n_dels);
3254 vlib_cli_output (vm, "now: %lu clocks per second: %lu", now,
3256 vlib_cli_output (vm, "\n\nPer-thread data:");
3257 for (wk = 0; wk < vec_len (am->per_worker_data); wk++)
3259 acl_fa_per_worker_data_t *pw = &am->per_worker_data[wk];
3260 vlib_cli_output (vm, "Thread #%d:", wk);
3261 if (show_session_thread_id == wk
3262 && show_session_session_index < pool_len (pw->fa_sessions_pool))
3264 vlib_cli_output (vm, " session index %u:",
3265 show_session_session_index);
3266 fa_session_t *sess =
3267 pw->fa_sessions_pool + show_session_session_index;
3268 u64 *m = (u64 *) & sess->info;
3269 vlib_cli_output (vm,
3270 " info: %016llx %016llx %016llx %016llx %016llx %016llx",
3271 m[0], m[1], m[2], m[3], m[4], m[5]);
3272 vlib_cli_output (vm, " sw_if_index: %u", sess->sw_if_index);
3273 vlib_cli_output (vm, " tcp_flags_seen: %x",
3274 sess->tcp_flags_seen.as_u16);
3275 vlib_cli_output (vm, " last active time: %lu",
3276 sess->last_active_time);
3277 vlib_cli_output (vm, " thread index: %u", sess->thread_index);
3278 vlib_cli_output (vm, " link enqueue time: %lu",
3279 sess->link_enqueue_time);
3280 vlib_cli_output (vm, " link next index: %u",
3281 sess->link_next_idx);
3282 vlib_cli_output (vm, " link prev index: %u",
3283 sess->link_prev_idx);
3284 vlib_cli_output (vm, " link list id: %u", sess->link_list_id);
3286 vlib_cli_output (vm, " connection add/del stats:", wk);
3287 pool_foreach (swif, im->sw_interfaces, (
3294 (pw->fa_session_adds_by_sw_if_index)
3296 pw->fa_session_adds_by_sw_if_index
3301 (pw->fa_session_dels_by_sw_if_index)
3303 pw->fa_session_dels_by_sw_if_index
3305 u64 n_epoch_changes =
3308 (pw->fa_session_epoch_change_by_sw_if_index)
3310 pw->fa_session_epoch_change_by_sw_if_index
3312 vlib_cli_output (vm,
3313 " sw_if_index %d: add %lu - del %lu = %lu; epoch chg: %lu",
3323 vlib_cli_output (vm, " connection timeout type lists:", wk);
3325 for (tt = 0; tt < ACL_N_TIMEOUTS; tt++)
3327 u32 head_session_index = pw->fa_conn_list_head[tt];
3328 vlib_cli_output (vm, " fa_conn_list_head[%d]: %d", tt,
3329 head_session_index);
3330 if (~0 != head_session_index)
3332 fa_session_t *sess = pw->fa_sessions_pool + head_session_index;
3333 vlib_cli_output (vm, " last active time: %lu",
3334 sess->last_active_time);
3335 vlib_cli_output (vm, " link enqueue time: %lu",
3336 sess->link_enqueue_time);
3340 vlib_cli_output (vm, " Next expiry time: %lu", pw->next_expiry_time);
3341 vlib_cli_output (vm, " Requeue until time: %lu",
3342 pw->requeue_until_time);
3343 vlib_cli_output (vm, " Current time wait interval: %lu",
3344 pw->current_time_wait_interval);
3345 vlib_cli_output (vm, " Count of deleted sessions: %lu",
3346 pw->cnt_deleted_sessions);
3347 vlib_cli_output (vm, " Delete already deleted: %lu",
3348 pw->cnt_already_deleted_sessions);
3349 vlib_cli_output (vm, " Session timers restarted: %lu",
3350 pw->cnt_session_timer_restarted);
3351 vlib_cli_output (vm, " Swipe until this time: %lu",
3352 pw->swipe_end_time);
3353 vlib_cli_output (vm, " sw_if_index serviced bitmap: %U",
3354 format_bitmap_hex, pw->serviced_sw_if_index_bitmap);
3355 vlib_cli_output (vm, " pending clear intfc bitmap : %U",
3357 pw->pending_clear_sw_if_index_bitmap);
3358 vlib_cli_output (vm, " clear in progress: %u", pw->clear_in_process);
3359 vlib_cli_output (vm, " interrupt is pending: %d",
3360 pw->interrupt_is_pending);
3361 vlib_cli_output (vm, " interrupt is needed: %d",
3362 pw->interrupt_is_needed);
3363 vlib_cli_output (vm, " interrupt is unwanted: %d",
3364 pw->interrupt_is_unwanted);
3365 vlib_cli_output (vm, " interrupt generation: %d",
3366 pw->interrupt_generation);
3367 vlib_cli_output (vm, " received session change requests: %d",
3368 pw->rcvd_session_change_requests);
3369 vlib_cli_output (vm, " sent session change requests: %d",
3370 pw->sent_session_change_requests);
3372 vlib_cli_output (vm, "\n\nConn cleaner thread counters:");
3373 #define _(cnt, desc) vlib_cli_output(vm, " %20lu: %s", am->cnt, desc);
3374 foreach_fa_cleaner_counter;
3376 vlib_cli_output (vm, "Interrupt generation: %d",
3377 am->fa_interrupt_generation);
3378 vlib_cli_output (vm,
3379 "Sessions per interval: min %lu max %lu increment: %f ms current: %f ms",
3380 am->fa_min_deleted_sessions_per_interval,
3381 am->fa_max_deleted_sessions_per_interval,
3382 am->fa_cleaner_wait_time_increment * 1000.0,
3383 ((f64) am->fa_current_cleaner_timer_wait_interval) *
3384 1000.0 / (f64) vm->clib_time.clocks_per_second);
3385 vlib_cli_output (vm, "Reclassify sessions: %d", am->reclassify_sessions);
3388 static clib_error_t *
3389 acl_show_aclplugin_sessions_fn (vlib_main_t * vm,
3390 unformat_input_t * input,
3391 vlib_cli_command_t * cmd)
3393 clib_error_t *error = 0;
3394 acl_main_t *am = &acl_main;
3396 u32 show_bihash_verbose = 0;
3397 u32 show_session_thread_id = ~0;
3398 u32 show_session_session_index = ~0;
3399 (void) unformat (input, "thread %u index %u", &show_session_thread_id,
3400 &show_session_session_index);
3401 (void) unformat (input, "verbose %u", &show_bihash_verbose);
3403 acl_plugin_show_sessions (am, show_session_thread_id,
3404 show_session_session_index);
3405 show_fa_sessions_hash (vm, show_bihash_verbose);
3409 static clib_error_t *
3410 acl_show_aclplugin_tables_fn (vlib_main_t * vm,
3411 unformat_input_t * input,
3412 vlib_cli_command_t * cmd)
3414 clib_error_t *error = 0;
3418 int show_acl_hash_info = 0;
3419 int show_applied_info = 0;
3420 int show_mask_type = 0;
3421 int show_bihash = 0;
3422 u32 show_bihash_verbose = 0;
3424 if (unformat (input, "acl"))
3426 show_acl_hash_info = 1;
3427 /* mask-type is handy to see as well right there */
3429 unformat (input, "index %u", &acl_index);
3431 else if (unformat (input, "applied"))
3433 show_applied_info = 1;
3434 unformat (input, "lc_index %u", &lc_index);
3436 else if (unformat (input, "mask"))
3440 else if (unformat (input, "hash"))
3443 unformat (input, "verbose %u", &show_bihash_verbose);
3447 (show_mask_type || show_acl_hash_info || show_applied_info
3450 /* if no qualifiers specified, show all */
3452 show_acl_hash_info = 1;
3453 show_applied_info = 1;
3456 vlib_cli_output (vm, "Stats counters enabled for interface ACLs: %d",
3457 acl_main.interface_acl_counters_enabled);
3459 acl_plugin_show_tables_mask_type ();
3460 if (show_acl_hash_info)
3461 acl_plugin_show_tables_acl_hash_info (acl_index);
3462 if (show_applied_info)
3463 acl_plugin_show_tables_applied_info (lc_index);
3465 acl_plugin_show_tables_bihash (show_bihash_verbose);
3470 static clib_error_t *
3471 acl_clear_aclplugin_fn (vlib_main_t * vm,
3472 unformat_input_t * input, vlib_cli_command_t * cmd)
3474 clib_error_t *error = 0;
3475 acl_main_t *am = &acl_main;
3476 vlib_process_signal_event (am->vlib_main, am->fa_cleaner_node_index,
3477 ACL_FA_CLEANER_DELETE_BY_SW_IF_INDEX, ~0);
3482 VLIB_CLI_COMMAND (aclplugin_set_command, static) = {
3483 .path = "set acl-plugin",
3484 .short_help = "set acl-plugin session timeout {{udp idle}|tcp {idle|transient}} <seconds>",
3485 .function = acl_set_aclplugin_fn,
3488 VLIB_CLI_COMMAND (aclplugin_show_acl_command, static) = {
3489 .path = "show acl-plugin acl",
3490 .short_help = "show acl-plugin acl [index N]",
3491 .function = acl_show_aclplugin_acl_fn,
3494 VLIB_CLI_COMMAND (aclplugin_show_lookup_context_command, static) = {
3495 .path = "show acl-plugin lookup context",
3496 .short_help = "show acl-plugin lookup context [index N]",
3497 .function = acl_show_aclplugin_lookup_context_fn,
3500 VLIB_CLI_COMMAND (aclplugin_show_lookup_user_command, static) = {
3501 .path = "show acl-plugin lookup user",
3502 .short_help = "show acl-plugin lookup user [index N]",
3503 .function = acl_show_aclplugin_lookup_user_fn,
3506 VLIB_CLI_COMMAND (aclplugin_show_decode_5tuple_command, static) = {
3507 .path = "show acl-plugin decode 5tuple",
3508 .short_help = "show acl-plugin decode 5tuple XXXX XXXX XXXX XXXX XXXX XXXX",
3509 .function = acl_show_aclplugin_decode_5tuple_fn,
3512 VLIB_CLI_COMMAND (aclplugin_show_interface_command, static) = {
3513 .path = "show acl-plugin interface",
3514 .short_help = "show acl-plugin interface [sw_if_index N] [acl]",
3515 .function = acl_show_aclplugin_interface_fn,
3518 VLIB_CLI_COMMAND (aclplugin_show_memory_command, static) = {
3519 .path = "show acl-plugin memory",
3520 .short_help = "show acl-plugin memory",
3521 .function = acl_show_aclplugin_memory_fn,
3524 VLIB_CLI_COMMAND (aclplugin_show_sessions_command, static) = {
3525 .path = "show acl-plugin sessions",
3526 .short_help = "show acl-plugin sessions",
3527 .function = acl_show_aclplugin_sessions_fn,
3530 VLIB_CLI_COMMAND (aclplugin_show_tables_command, static) = {
3531 .path = "show acl-plugin tables",
3532 .short_help = "show acl-plugin tables [ acl [index N] | applied [ lc_index N ] | mask | hash [verbose N] ]",
3533 .function = acl_show_aclplugin_tables_fn,
3536 VLIB_CLI_COMMAND (aclplugin_show_macip_acl_command, static) = {
3537 .path = "show acl-plugin macip acl",
3538 .short_help = "show acl-plugin macip acl [index N]",
3539 .function = acl_show_aclplugin_macip_acl_fn,
3542 VLIB_CLI_COMMAND (aclplugin_show_macip_interface_command, static) = {
3543 .path = "show acl-plugin macip interface",
3544 .short_help = "show acl-plugin macip interface",
3545 .function = acl_show_aclplugin_macip_interface_fn,
3548 VLIB_CLI_COMMAND (aclplugin_clear_command, static) = {
3549 .path = "clear acl-plugin sessions",
3550 .short_help = "clear acl-plugin sessions",
3551 .function = acl_clear_aclplugin_fn,
3555 static clib_error_t *
3556 acl_plugin_config (vlib_main_t * vm, unformat_input_t * input)
3558 acl_main_t *am = &acl_main;
3559 u32 conn_table_hash_buckets;
3560 uword conn_table_hash_memory_size;
3561 u32 conn_table_max_entries;
3562 uword main_heap_size;
3563 uword hash_heap_size;
3564 u32 hash_lookup_hash_buckets;
3565 uword hash_lookup_hash_memory;
3566 u32 reclassify_sessions;
3567 u32 use_tuple_merge;
3568 u32 tuple_merge_split_threshold;
3570 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
3573 (input, "connection hash buckets %d", &conn_table_hash_buckets))
3574 am->fa_conn_table_hash_num_buckets = conn_table_hash_buckets;
3577 (input, "connection hash memory %U", unformat_memory_size,
3578 &conn_table_hash_memory_size))
3579 am->fa_conn_table_hash_memory_size = conn_table_hash_memory_size;
3580 else if (unformat (input, "connection count max %d",
3581 &conn_table_max_entries))
3582 am->fa_conn_table_max_entries = conn_table_max_entries;
3585 (input, "main heap size %U", unformat_memory_size,
3587 am->acl_mheap_size = main_heap_size;
3590 (input, "hash lookup heap size %U", unformat_memory_size,
3592 am->hash_lookup_mheap_size = hash_heap_size;
3593 else if (unformat (input, "hash lookup hash buckets %d",
3594 &hash_lookup_hash_buckets))
3595 am->hash_lookup_hash_buckets = hash_lookup_hash_buckets;
3598 (input, "hash lookup hash memory %U", unformat_memory_size,
3599 &hash_lookup_hash_memory))
3600 am->hash_lookup_hash_memory = hash_lookup_hash_memory;
3601 else if (unformat (input, "use tuple merge %d", &use_tuple_merge))
3602 am->use_tuple_merge = use_tuple_merge;
3605 (input, "tuple merge split threshold %d",
3606 &tuple_merge_split_threshold))
3607 am->tuple_merge_split_threshold = tuple_merge_split_threshold;
3609 else if (unformat (input, "reclassify sessions %d",
3610 &reclassify_sessions))
3611 am->reclassify_sessions = reclassify_sessions;
3614 return clib_error_return (0, "unknown input '%U'",
3615 format_unformat_error, input);
3620 VLIB_CONFIG_FUNCTION (acl_plugin_config, "acl-plugin");
3622 static clib_error_t *
3623 acl_init (vlib_main_t * vm)
3625 acl_main_t *am = &acl_main;
3626 clib_error_t *error = 0;
3627 clib_memset (am, 0, sizeof (*am));
3629 am->vnet_main = vnet_get_main ();
3630 am->log_default = vlib_log_register_class ("acl_plugin", 0);
3632 u8 *name = format (0, "acl_%08x%c", api_version, 0);
3634 /* Ask for a correctly-sized block of API message decode slots */
3635 am->msg_id_base = vl_msg_api_get_msg_ids ((char *) name,
3636 VL_MSG_FIRST_AVAILABLE);
3638 error = acl_plugin_api_hookup (vm);
3640 /* Add our API messages to the global name_crc hash table */
3641 setup_message_id_table (am, &api_main);
3648 error = acl_plugin_exports_init (&acl_plugin);
3653 am->acl_mheap_size = 0; /* auto size when initializing */
3654 am->hash_lookup_mheap_size = ACL_PLUGIN_HASH_LOOKUP_HEAP_SIZE;
3656 am->hash_lookup_hash_buckets = ACL_PLUGIN_HASH_LOOKUP_HASH_BUCKETS;
3657 am->hash_lookup_hash_memory = ACL_PLUGIN_HASH_LOOKUP_HASH_MEMORY;
3659 am->session_timeout_sec[ACL_TIMEOUT_TCP_TRANSIENT] =
3660 TCP_SESSION_TRANSIENT_TIMEOUT_SEC;
3661 am->session_timeout_sec[ACL_TIMEOUT_TCP_IDLE] =
3662 TCP_SESSION_IDLE_TIMEOUT_SEC;
3663 am->session_timeout_sec[ACL_TIMEOUT_UDP_IDLE] =
3664 UDP_SESSION_IDLE_TIMEOUT_SEC;
3666 am->fa_conn_table_hash_num_buckets =
3667 ACL_FA_CONN_TABLE_DEFAULT_HASH_NUM_BUCKETS;
3668 am->fa_conn_table_hash_memory_size =
3669 ACL_FA_CONN_TABLE_DEFAULT_HASH_MEMORY_SIZE;
3670 am->fa_conn_table_max_entries = ACL_FA_CONN_TABLE_DEFAULT_MAX_ENTRIES;
3671 am->reclassify_sessions = 0;
3672 vlib_thread_main_t *tm = vlib_get_thread_main ();
3674 am->fa_min_deleted_sessions_per_interval =
3675 ACL_FA_DEFAULT_MIN_DELETED_SESSIONS_PER_INTERVAL;
3676 am->fa_max_deleted_sessions_per_interval =
3677 ACL_FA_DEFAULT_MAX_DELETED_SESSIONS_PER_INTERVAL;
3678 am->fa_cleaner_wait_time_increment =
3679 ACL_FA_DEFAULT_CLEANER_WAIT_TIME_INCREMENT;
3681 vec_validate (am->per_worker_data, tm->n_vlib_mains - 1);
3684 for (wk = 0; wk < vec_len (am->per_worker_data); wk++)
3686 acl_fa_per_worker_data_t *pw = &am->per_worker_data[wk];
3687 if (tm->n_vlib_mains > 1)
3689 clib_spinlock_init (&pw->pending_session_change_request_lock);
3691 vec_validate (pw->expired,
3693 am->fa_max_deleted_sessions_per_interval);
3694 _vec_len (pw->expired) = 0;
3695 vec_validate_init_empty (pw->fa_conn_list_head, ACL_N_TIMEOUTS - 1,
3696 FA_SESSION_BOGUS_INDEX);
3697 vec_validate_init_empty (pw->fa_conn_list_tail, ACL_N_TIMEOUTS - 1,
3698 FA_SESSION_BOGUS_INDEX);
3699 vec_validate_init_empty (pw->fa_conn_list_head_expiry_time,
3700 ACL_N_TIMEOUTS - 1, ~0ULL);
3704 am->fa_cleaner_cnt_delete_by_sw_index = 0;
3705 am->fa_cleaner_cnt_delete_by_sw_index_ok = 0;
3706 am->fa_cleaner_cnt_unknown_event = 0;
3707 am->fa_cleaner_cnt_timer_restarted = 0;
3708 am->fa_cleaner_cnt_wait_with_timeout = 0;
3711 #define _(N, v, s) am->fa_ipv6_known_eh_bitmap = clib_bitmap_set(am->fa_ipv6_known_eh_bitmap, v, 1);
3714 am->l4_match_nonfirst_fragment = 1;
3716 /* use the new fancy hash-based matching */
3717 am->use_hash_acl_matching = 1;
3718 /* use tuplemerge by default */
3719 am->use_tuple_merge = 1;
3720 /* Set the default threshold */
3721 am->tuple_merge_split_threshold = TM_SPLIT_THRESHOLD;
3723 am->interface_acl_user_id =
3724 acl_plugin.register_user_module ("interface ACL", "sw_if_index",
3727 am->acl_counter_lock = clib_mem_alloc_aligned (CLIB_CACHE_LINE_BYTES,
3728 CLIB_CACHE_LINE_BYTES);
3729 am->acl_counter_lock[0] = 0; /* should be no need */
3734 VLIB_INIT_FUNCTION (acl_init);
3738 * fd.io coding-style-patch-verification: ON
3741 * eval: (c-set-style "gnu")