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/classify/input_acl.h>
24 #include <vpp/app/version.h>
26 #include <vlibapi/api.h>
27 #include <vlibmemory/api.h>
28 #include <vlibsocket/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 "hash_lookup.h"
59 #define REPLY_MSG_ID_BASE am->msg_id_base
60 #include <vlibapi/api_helper_macros.h>
62 /* List of message types that this plugin understands */
64 #define foreach_acl_plugin_api_msg \
65 _(ACL_PLUGIN_GET_VERSION, acl_plugin_get_version) \
66 _(ACL_PLUGIN_CONTROL_PING, acl_plugin_control_ping) \
67 _(ACL_ADD_REPLACE, acl_add_replace) \
69 _(ACL_INTERFACE_ADD_DEL, acl_interface_add_del) \
70 _(ACL_INTERFACE_SET_ACL_LIST, acl_interface_set_acl_list) \
71 _(ACL_DUMP, acl_dump) \
72 _(ACL_INTERFACE_LIST_DUMP, acl_interface_list_dump) \
73 _(MACIP_ACL_ADD, macip_acl_add) \
74 _(MACIP_ACL_ADD_REPLACE, macip_acl_add_replace) \
75 _(MACIP_ACL_DEL, macip_acl_del) \
76 _(MACIP_ACL_INTERFACE_ADD_DEL, macip_acl_interface_add_del) \
77 _(MACIP_ACL_DUMP, macip_acl_dump) \
78 _(MACIP_ACL_INTERFACE_GET, macip_acl_interface_get) \
79 _(MACIP_ACL_INTERFACE_LIST_DUMP, macip_acl_interface_list_dump)
83 VLIB_PLUGIN_REGISTER () = {
84 .version = VPP_BUILD_VER,
85 .description = "Access Control Lists",
91 acl_set_heap(acl_main_t *am)
93 if (0 == am->acl_mheap) {
94 am->acl_mheap = mheap_alloc (0 /* use VM */ , am->acl_mheap_size);
95 mheap_t *h = mheap_header (am->acl_mheap);
96 h->flags |= MHEAP_FLAG_THREAD_SAFE;
98 void *oldheap = clib_mem_set_heap(am->acl_mheap);
103 acl_plugin_acl_set_validate_heap(acl_main_t *am, int on)
105 clib_mem_set_heap(acl_set_heap(am));
106 mheap_t *h = mheap_header (am->acl_mheap);
108 h->flags |= MHEAP_FLAG_VALIDATE;
109 h->flags &= ~MHEAP_FLAG_SMALL_OBJECT_CACHE;
112 h->flags &= ~MHEAP_FLAG_VALIDATE;
113 h->flags |= MHEAP_FLAG_SMALL_OBJECT_CACHE;
118 acl_plugin_acl_set_trace_heap(acl_main_t *am, int on)
120 clib_mem_set_heap(acl_set_heap(am));
121 mheap_t *h = mheap_header (am->acl_mheap);
123 h->flags |= MHEAP_FLAG_TRACE;
125 h->flags &= ~MHEAP_FLAG_TRACE;
130 vl_api_acl_plugin_get_version_t_handler (vl_api_acl_plugin_get_version_t * mp)
132 acl_main_t *am = &acl_main;
133 vl_api_acl_plugin_get_version_reply_t *rmp;
134 int msg_size = sizeof (*rmp);
135 unix_shared_memory_queue_t *q;
137 q = vl_api_client_index_to_input_queue (mp->client_index);
143 rmp = vl_msg_api_alloc (msg_size);
144 memset (rmp, 0, msg_size);
146 ntohs (VL_API_ACL_PLUGIN_GET_VERSION_REPLY + am->msg_id_base);
147 rmp->context = mp->context;
148 rmp->major = htonl (ACL_PLUGIN_VERSION_MAJOR);
149 rmp->minor = htonl (ACL_PLUGIN_VERSION_MINOR);
151 vl_msg_api_send_shmem (q, (u8 *) & rmp);
155 vl_api_acl_plugin_control_ping_t_handler (vl_api_acl_plugin_control_ping_t * mp)
157 vl_api_acl_plugin_control_ping_reply_t *rmp;
158 acl_main_t *am = &acl_main;
162 REPLY_MACRO2 (VL_API_ACL_PLUGIN_CONTROL_PING_REPLY,
164 rmp->vpe_pid = ntohl (getpid ());
170 acl_add_list (u32 count, vl_api_acl_rule_t rules[],
171 u32 * acl_list_index, u8 * tag)
173 acl_main_t *am = &acl_main;
176 acl_rule_t *acl_new_rules = 0;
179 if (*acl_list_index != ~0)
181 /* They supplied some number, let's see if this ACL exists */
182 if (pool_is_free_index (am->acls, *acl_list_index))
184 /* tried to replace a non-existent ACL, no point doing anything */
185 clib_warning("acl-plugin-error: Trying to replace nonexistent ACL %d (tag %s)", *acl_list_index, tag);
190 clib_warning("acl-plugin-warning: supplied no rules for ACL %d (tag %s)", *acl_list_index, tag);
193 void *oldheap = acl_set_heap(am);
195 /* Create and populate the rules */
197 vec_validate(acl_new_rules, count-1);
199 for (i = 0; i < count; i++)
201 r = vec_elt_at_index(acl_new_rules, i);
202 memset(r, 0, sizeof(*r));
203 r->is_permit = rules[i].is_permit;
204 r->is_ipv6 = rules[i].is_ipv6;
207 memcpy (&r->src, rules[i].src_ip_addr, sizeof (r->src));
208 memcpy (&r->dst, rules[i].dst_ip_addr, sizeof (r->dst));
212 memcpy (&r->src.ip4, rules[i].src_ip_addr, sizeof (r->src.ip4));
213 memcpy (&r->dst.ip4, rules[i].dst_ip_addr, sizeof (r->dst.ip4));
215 r->src_prefixlen = rules[i].src_ip_prefix_len;
216 r->dst_prefixlen = rules[i].dst_ip_prefix_len;
217 r->proto = rules[i].proto;
218 r->src_port_or_type_first = ntohs ( rules[i].srcport_or_icmptype_first );
219 r->src_port_or_type_last = ntohs ( rules[i].srcport_or_icmptype_last );
220 r->dst_port_or_code_first = ntohs ( rules[i].dstport_or_icmpcode_first );
221 r->dst_port_or_code_last = ntohs ( rules[i].dstport_or_icmpcode_last );
222 r->tcp_flags_value = rules[i].tcp_flags_value;
223 r->tcp_flags_mask = rules[i].tcp_flags_mask;
226 if (~0 == *acl_list_index)
229 pool_get_aligned (am->acls, a, CLIB_CACHE_LINE_BYTES);
230 memset (a, 0, sizeof (*a));
231 /* Will return the newly allocated ACL index */
232 *acl_list_index = a - am->acls;
236 a = am->acls + *acl_list_index;
237 hash_acl_delete(am, *acl_list_index);
238 /* Get rid of the old rules */
242 a->rules = acl_new_rules;
244 memcpy (a->tag, tag, sizeof (a->tag));
245 hash_acl_add(am, *acl_list_index);
246 clib_mem_set_heap (oldheap);
251 acl_del_list (u32 acl_list_index)
253 acl_main_t *am = &acl_main;
256 if (pool_is_free_index (am->acls, acl_list_index))
261 if (acl_list_index < vec_len(am->input_sw_if_index_vec_by_acl)) {
262 if (vec_len(pool_elt_at_index(am->input_sw_if_index_vec_by_acl, acl_list_index)) > 0) {
263 /* ACL is applied somewhere inbound. Refuse to delete */
267 if (acl_list_index < vec_len(am->output_sw_if_index_vec_by_acl)) {
268 if (vec_len(pool_elt_at_index(am->output_sw_if_index_vec_by_acl, acl_list_index)) > 0) {
269 /* ACL is applied somewhere outbound. Refuse to delete */
274 void *oldheap = acl_set_heap(am);
275 /* delete any references to the ACL */
276 for (i = 0; i < vec_len (am->output_acl_vec_by_sw_if_index); i++)
278 for (ii = 0; ii < vec_len (am->output_acl_vec_by_sw_if_index[i]);
281 if (acl_list_index == am->output_acl_vec_by_sw_if_index[i][ii])
283 vec_del1 (am->output_acl_vec_by_sw_if_index[i], ii);
291 for (i = 0; i < vec_len (am->input_acl_vec_by_sw_if_index); i++)
293 for (ii = 0; ii < vec_len (am->input_acl_vec_by_sw_if_index[i]);
296 if (acl_list_index == am->input_acl_vec_by_sw_if_index[i][ii])
298 vec_del1 (am->input_acl_vec_by_sw_if_index[i], ii);
306 /* delete the hash table data */
308 hash_acl_delete(am, acl_list_index);
309 /* now we can delete the ACL itself */
310 a = pool_elt_at_index (am->acls, acl_list_index);
314 pool_put (am->acls, a);
315 clib_mem_set_heap (oldheap);
319 /* Some aids in ASCII graphing the content */
325 u8 ip4_5tuple_mask[] =
326 _(" dmac smac etype ")
327 _(ether) __ __ __ __ __ __ v __ __ __ __ __ __ v __ __ v
334 _(" ttl pr checksum ")
343 _("L4 T/U sport dport ")
353 u8 ip6_5tuple_mask[] =
354 _(" dmac smac etype ")
355 _(ether) __ __ __ __ __ __ v __ __ __ __ __ __ v __ __ v
357 _(0x0000) __ __ __ __
359 _(0x0004) __ __ XX __
361 _(0x0008) XX XX XX XX
362 _(0x000C) XX XX XX XX
363 _(0x0010) XX XX XX XX
364 _(0x0014) XX XX XX XX
366 _(0x0018) XX XX XX XX
367 _(0x001C) XX XX XX XX
368 _(0x0020) XX XX XX XX
369 _(0x0024) XX XX XX XX
370 _("L4T/U sport dport ")
371 _(tcpudp) XX XX XX XX _(padpad) __ __ __ __ _(padeth) __ __;
378 static int count_skip (u8 * p, u32 size)
380 u64 *p64 = (u64 *) p;
381 /* Be tolerant to null pointer */
385 while ((0ULL == *p64) && ((u8 *) p64 - p) < size)
389 return (p64 - (u64 *) p) / 2;
393 acl_classify_add_del_table_tiny (vnet_classify_main_t * cm, u8 * mask,
394 u32 mask_len, u32 next_table_index,
395 u32 miss_next_index, u32 * table_index,
399 u32 memory_size = 2 << 13;
400 u32 skip = count_skip (mask, mask_len);
401 u32 match = (mask_len / 16) - skip;
402 u8 *skip_mask_ptr = mask + 16 * skip;
403 u32 current_data_flag = 0;
404 int current_data_offset = 0;
408 void *oldheap = clib_mem_set_heap (cm->vlib_main->heap_base);
409 int ret = vnet_classify_add_del_table (cm, skip_mask_ptr, nbuckets,
410 memory_size, skip, match,
411 next_table_index, miss_next_index,
412 table_index, current_data_flag,
413 current_data_offset, is_add,
414 1 /* delete_chain */);
415 clib_mem_set_heap (oldheap);
420 acl_classify_add_del_table_small (vnet_classify_main_t * cm, u8 * mask,
421 u32 mask_len, u32 next_table_index,
422 u32 miss_next_index, u32 * table_index,
426 u32 memory_size = 2 << 20;
427 u32 skip = count_skip (mask, mask_len);
428 u32 match = (mask_len / 16) - skip;
429 u8 *skip_mask_ptr = mask + 16 * skip;
430 u32 current_data_flag = 0;
431 int current_data_offset = 0;
436 void *oldheap = clib_mem_set_heap (cm->vlib_main->heap_base);
437 int ret = vnet_classify_add_del_table (cm, skip_mask_ptr, nbuckets,
438 memory_size, skip, match,
439 next_table_index, miss_next_index,
440 table_index, current_data_flag,
441 current_data_offset, is_add,
442 1 /* delete_chain */);
443 clib_mem_set_heap (oldheap);
449 acl_unhook_l2_input_classify (acl_main_t * am, u32 sw_if_index)
451 vnet_classify_main_t *cm = &vnet_classify_main;
452 u32 ip4_table_index = ~0;
453 u32 ip6_table_index = ~0;
454 void *oldheap = acl_set_heap(am);
456 vec_validate_init_empty (am->acl_ip4_input_classify_table_by_sw_if_index,
458 vec_validate_init_empty (am->acl_ip6_input_classify_table_by_sw_if_index,
461 /* switch to global heap while calling vnet_* functions */
462 clib_mem_set_heap (cm->vlib_main->heap_base);
463 vnet_l2_input_classify_enable_disable (sw_if_index, 0);
465 if (am->acl_ip4_input_classify_table_by_sw_if_index[sw_if_index] != ~0)
468 am->acl_ip4_input_classify_table_by_sw_if_index[sw_if_index];
469 am->acl_ip4_input_classify_table_by_sw_if_index[sw_if_index] = ~0;
470 acl_classify_add_del_table_tiny (cm, ip4_5tuple_mask,
471 sizeof (ip4_5tuple_mask) - 1, ~0,
472 am->l2_input_classify_next_acl_ip4,
473 &ip4_table_index, 0);
475 if (am->acl_ip6_input_classify_table_by_sw_if_index[sw_if_index] != ~0)
478 am->acl_ip6_input_classify_table_by_sw_if_index[sw_if_index];
479 am->acl_ip6_input_classify_table_by_sw_if_index[sw_if_index] = ~0;
480 acl_classify_add_del_table_tiny (cm, ip6_5tuple_mask,
481 sizeof (ip6_5tuple_mask) - 1, ~0,
482 am->l2_input_classify_next_acl_ip6,
483 &ip6_table_index, 0);
485 clib_mem_set_heap (oldheap);
490 acl_unhook_l2_output_classify (acl_main_t * am, u32 sw_if_index)
492 vnet_classify_main_t *cm = &vnet_classify_main;
493 u32 ip4_table_index = ~0;
494 u32 ip6_table_index = ~0;
495 void *oldheap = acl_set_heap(am);
497 vec_validate_init_empty (am->acl_ip4_output_classify_table_by_sw_if_index,
499 vec_validate_init_empty (am->acl_ip6_output_classify_table_by_sw_if_index,
502 /* switch to global heap while calling vnet_* functions */
503 clib_mem_set_heap (cm->vlib_main->heap_base);
505 vnet_l2_output_classify_enable_disable (sw_if_index, 0);
507 if (am->acl_ip4_output_classify_table_by_sw_if_index[sw_if_index] != ~0)
510 am->acl_ip4_output_classify_table_by_sw_if_index[sw_if_index];
511 am->acl_ip4_output_classify_table_by_sw_if_index[sw_if_index] = ~0;
512 acl_classify_add_del_table_tiny (cm, ip4_5tuple_mask,
513 sizeof (ip4_5tuple_mask) - 1, ~0,
514 am->l2_output_classify_next_acl_ip4,
515 &ip4_table_index, 0);
517 if (am->acl_ip6_output_classify_table_by_sw_if_index[sw_if_index] != ~0)
520 am->acl_ip6_output_classify_table_by_sw_if_index[sw_if_index];
521 am->acl_ip6_output_classify_table_by_sw_if_index[sw_if_index] = ~0;
522 acl_classify_add_del_table_tiny (cm, ip6_5tuple_mask,
523 sizeof (ip6_5tuple_mask) - 1, ~0,
524 am->l2_output_classify_next_acl_ip6,
525 &ip6_table_index, 0);
527 clib_mem_set_heap (oldheap);
532 acl_hook_l2_input_classify (acl_main_t * am, u32 sw_if_index)
534 vnet_classify_main_t *cm = &vnet_classify_main;
535 u32 ip4_table_index = ~0;
536 u32 ip6_table_index = ~0;
539 void *prevheap = clib_mem_set_heap (cm->vlib_main->heap_base);
541 /* in case there were previous tables attached */
542 acl_unhook_l2_input_classify (am, sw_if_index);
544 acl_classify_add_del_table_tiny (cm, ip4_5tuple_mask,
545 sizeof (ip4_5tuple_mask) - 1, ~0,
546 am->l2_input_classify_next_acl_ip4,
547 &ip4_table_index, 1);
551 acl_classify_add_del_table_tiny (cm, ip6_5tuple_mask,
552 sizeof (ip6_5tuple_mask) - 1, ~0,
553 am->l2_input_classify_next_acl_ip6,
554 &ip6_table_index, 1);
557 acl_classify_add_del_table_tiny (cm, ip4_5tuple_mask,
558 sizeof (ip4_5tuple_mask) - 1, ~0,
559 am->l2_input_classify_next_acl_ip4,
560 &ip4_table_index, 0);
564 vnet_l2_input_classify_set_tables (sw_if_index, ip4_table_index,
565 ip6_table_index, ~0);
568 acl_classify_add_del_table_tiny (cm, ip6_5tuple_mask,
569 sizeof (ip6_5tuple_mask) - 1, ~0,
570 am->l2_input_classify_next_acl_ip6,
571 &ip6_table_index, 0);
572 acl_classify_add_del_table_tiny (cm, ip4_5tuple_mask,
573 sizeof (ip4_5tuple_mask) - 1, ~0,
574 am->l2_input_classify_next_acl_ip4,
575 &ip4_table_index, 0);
579 am->acl_ip4_input_classify_table_by_sw_if_index[sw_if_index] =
581 am->acl_ip6_input_classify_table_by_sw_if_index[sw_if_index] =
584 vnet_l2_input_classify_enable_disable (sw_if_index, 1);
586 clib_mem_set_heap (prevheap);
591 acl_hook_l2_output_classify (acl_main_t * am, u32 sw_if_index)
593 vnet_classify_main_t *cm = &vnet_classify_main;
594 u32 ip4_table_index = ~0;
595 u32 ip6_table_index = ~0;
598 void *prevheap = clib_mem_set_heap (cm->vlib_main->heap_base);
600 /* in case there were previous tables attached */
601 acl_unhook_l2_output_classify (am, sw_if_index);
603 acl_classify_add_del_table_tiny (cm, ip4_5tuple_mask,
604 sizeof (ip4_5tuple_mask) - 1, ~0,
605 am->l2_output_classify_next_acl_ip4,
606 &ip4_table_index, 1);
610 acl_classify_add_del_table_tiny (cm, ip6_5tuple_mask,
611 sizeof (ip6_5tuple_mask) - 1, ~0,
612 am->l2_output_classify_next_acl_ip6,
613 &ip6_table_index, 1);
616 acl_classify_add_del_table_tiny (cm, ip4_5tuple_mask,
617 sizeof (ip4_5tuple_mask) - 1, ~0,
618 am->l2_output_classify_next_acl_ip4,
619 &ip4_table_index, 0);
623 vnet_l2_output_classify_set_tables (sw_if_index, ip4_table_index,
624 ip6_table_index, ~0);
626 ("ACL enabling on interface sw_if_index %d, setting tables to the following: ip4: %d ip6: %d\n",
627 sw_if_index, ip4_table_index, ip6_table_index);
630 acl_classify_add_del_table_tiny (cm, ip6_5tuple_mask,
631 sizeof (ip6_5tuple_mask) - 1, ~0,
632 am->l2_output_classify_next_acl_ip6,
633 &ip6_table_index, 0);
634 acl_classify_add_del_table_tiny (cm, ip4_5tuple_mask,
635 sizeof (ip4_5tuple_mask) - 1, ~0,
636 am->l2_output_classify_next_acl_ip4,
637 &ip4_table_index, 0);
641 am->acl_ip4_output_classify_table_by_sw_if_index[sw_if_index] =
643 am->acl_ip6_output_classify_table_by_sw_if_index[sw_if_index] =
646 vnet_l2_output_classify_enable_disable (sw_if_index, 1);
648 clib_mem_set_heap (prevheap);
655 acl_interface_in_enable_disable (acl_main_t * am, u32 sw_if_index,
661 if (pool_is_free_index (am->vnet_main->interface_main.sw_interfaces,
663 return VNET_API_ERROR_INVALID_SW_IF_INDEX;
665 acl_fa_enable_disable(sw_if_index, 1, enable_disable);
669 rv = acl_hook_l2_input_classify (am, sw_if_index);
673 rv = acl_unhook_l2_input_classify (am, sw_if_index);
680 acl_interface_out_enable_disable (acl_main_t * am, u32 sw_if_index,
686 if (pool_is_free_index (am->vnet_main->interface_main.sw_interfaces,
688 return VNET_API_ERROR_INVALID_SW_IF_INDEX;
690 acl_fa_enable_disable(sw_if_index, 0, enable_disable);
694 rv = acl_hook_l2_output_classify (am, sw_if_index);
698 rv = acl_unhook_l2_output_classify (am, sw_if_index);
705 acl_is_not_defined(acl_main_t *am, u32 acl_list_index)
707 return (pool_is_free_index (am->acls, acl_list_index));
712 acl_interface_add_inout_acl (u32 sw_if_index, u8 is_input, u32 acl_list_index)
714 acl_main_t *am = &acl_main;
715 if (acl_is_not_defined(am, acl_list_index)) {
716 /* ACL is not defined. Can not apply */
719 void *oldheap = acl_set_heap(am);
723 vec_validate (am->input_acl_vec_by_sw_if_index, sw_if_index);
725 u32 index = vec_search(am->input_acl_vec_by_sw_if_index[sw_if_index], acl_list_index);
726 if (index < vec_len(am->input_acl_vec_by_sw_if_index[sw_if_index])) {
727 clib_warning("ACL %d is already applied inbound on sw_if_index %d (index %d)",
728 acl_list_index, sw_if_index, index);
729 /* the entry is already there */
730 clib_mem_set_heap (oldheap);
733 /* if there was no ACL applied before, enable the ACL processing */
734 if (vec_len(am->input_acl_vec_by_sw_if_index[sw_if_index]) == 0) {
735 acl_interface_in_enable_disable (am, sw_if_index, 1);
737 vec_add (am->input_acl_vec_by_sw_if_index[sw_if_index], &acl_list_index,
739 vec_validate (am->input_sw_if_index_vec_by_acl, acl_list_index);
740 vec_add (am->input_sw_if_index_vec_by_acl[acl_list_index], &sw_if_index,
745 vec_validate (am->output_acl_vec_by_sw_if_index, sw_if_index);
747 u32 index = vec_search(am->output_acl_vec_by_sw_if_index[sw_if_index], acl_list_index);
748 if (index < vec_len(am->output_acl_vec_by_sw_if_index[sw_if_index])) {
749 clib_warning("ACL %d is already applied outbound on sw_if_index %d (index %d)",
750 acl_list_index, sw_if_index, index);
751 /* the entry is already there */
752 clib_mem_set_heap (oldheap);
755 /* if there was no ACL applied before, enable the ACL processing */
756 if (vec_len(am->output_acl_vec_by_sw_if_index[sw_if_index]) == 0) {
757 acl_interface_out_enable_disable (am, sw_if_index, 1);
759 vec_add (am->output_acl_vec_by_sw_if_index[sw_if_index],
761 vec_validate (am->output_sw_if_index_vec_by_acl, acl_list_index);
762 vec_add (am->output_sw_if_index_vec_by_acl[acl_list_index], &sw_if_index,
765 clib_mem_set_heap (oldheap);
771 acl_interface_del_inout_acl (u32 sw_if_index, u8 is_input, u32 acl_list_index)
773 acl_main_t *am = &acl_main;
776 void *oldheap = acl_set_heap(am);
779 vec_validate (am->input_acl_vec_by_sw_if_index, sw_if_index);
780 for (i = 0; i < vec_len (am->input_acl_vec_by_sw_if_index[sw_if_index]);
783 if (acl_list_index ==
784 am->input_acl_vec_by_sw_if_index[sw_if_index][i])
786 vec_del1 (am->input_acl_vec_by_sw_if_index[sw_if_index], i);
792 if (acl_list_index < vec_len(am->input_sw_if_index_vec_by_acl)) {
793 u32 index = vec_search(am->input_sw_if_index_vec_by_acl[acl_list_index], sw_if_index);
794 if (index < vec_len(am->input_sw_if_index_vec_by_acl[acl_list_index])) {
795 hash_acl_unapply(am, sw_if_index, is_input, acl_list_index);
796 vec_del1 (am->input_sw_if_index_vec_by_acl[acl_list_index], index);
800 /* If there is no more ACLs applied on an interface, disable ACL processing */
801 if (0 == vec_len (am->input_acl_vec_by_sw_if_index[sw_if_index]))
803 acl_interface_in_enable_disable (am, sw_if_index, 0);
808 vec_validate (am->output_acl_vec_by_sw_if_index, sw_if_index);
810 i < vec_len (am->output_acl_vec_by_sw_if_index[sw_if_index]); i++)
812 if (acl_list_index ==
813 am->output_acl_vec_by_sw_if_index[sw_if_index][i])
815 vec_del1 (am->output_acl_vec_by_sw_if_index[sw_if_index], i);
821 if (acl_list_index < vec_len(am->output_sw_if_index_vec_by_acl)) {
822 u32 index = vec_search(am->output_sw_if_index_vec_by_acl[acl_list_index], sw_if_index);
823 if (index < vec_len(am->output_sw_if_index_vec_by_acl[acl_list_index])) {
824 hash_acl_unapply(am, sw_if_index, is_input, acl_list_index);
825 vec_del1 (am->output_sw_if_index_vec_by_acl[acl_list_index], index);
829 /* If there is no more ACLs applied on an interface, disable ACL processing */
830 if (0 == vec_len (am->output_acl_vec_by_sw_if_index[sw_if_index]))
832 acl_interface_out_enable_disable (am, sw_if_index, 0);
835 clib_mem_set_heap (oldheap);
840 acl_interface_reset_inout_acls (u32 sw_if_index, u8 is_input)
842 acl_main_t *am = &acl_main;
844 void *oldheap = acl_set_heap(am);
847 vec_validate (am->input_acl_vec_by_sw_if_index, sw_if_index);
848 if (vec_len(am->input_acl_vec_by_sw_if_index[sw_if_index]) > 0) {
849 acl_interface_in_enable_disable (am, sw_if_index, 0);
852 for(i = vec_len(am->input_acl_vec_by_sw_if_index[sw_if_index])-1; i>=0; i--) {
853 u32 acl_list_index = am->input_acl_vec_by_sw_if_index[sw_if_index][i];
854 hash_acl_unapply(am, sw_if_index, is_input, acl_list_index);
855 if (acl_list_index < vec_len(am->input_sw_if_index_vec_by_acl)) {
856 u32 index = vec_search(am->input_sw_if_index_vec_by_acl[acl_list_index], sw_if_index);
857 if (index < vec_len(am->input_sw_if_index_vec_by_acl[acl_list_index])) {
858 vec_del1 (am->input_sw_if_index_vec_by_acl[acl_list_index], index);
863 vec_reset_length (am->input_acl_vec_by_sw_if_index[sw_if_index]);
867 vec_validate (am->output_acl_vec_by_sw_if_index, sw_if_index);
868 if (vec_len(am->output_acl_vec_by_sw_if_index[sw_if_index]) > 0) {
869 acl_interface_out_enable_disable (am, sw_if_index, 0);
872 for(i = vec_len(am->output_acl_vec_by_sw_if_index[sw_if_index])-1; i>=0; i--) {
873 u32 acl_list_index = am->output_acl_vec_by_sw_if_index[sw_if_index][i];
874 hash_acl_unapply(am, sw_if_index, is_input, acl_list_index);
875 if (acl_list_index < vec_len(am->output_sw_if_index_vec_by_acl)) {
876 u32 index = vec_search(am->output_sw_if_index_vec_by_acl[acl_list_index], sw_if_index);
877 if (index < vec_len(am->output_sw_if_index_vec_by_acl[acl_list_index])) {
878 vec_del1 (am->output_sw_if_index_vec_by_acl[acl_list_index], index);
883 vec_reset_length (am->output_acl_vec_by_sw_if_index[sw_if_index]);
885 clib_mem_set_heap (oldheap);
889 acl_interface_add_del_inout_acl (u32 sw_if_index, u8 is_add, u8 is_input,
893 acl_main_t *am = &acl_main;
897 acl_interface_add_inout_acl (sw_if_index, is_input, acl_list_index);
900 hash_acl_apply(am, sw_if_index, is_input, acl_list_index);
905 hash_acl_unapply(am, sw_if_index, is_input, acl_list_index);
907 acl_interface_del_inout_acl (sw_if_index, is_input, acl_list_index);
921 } macip_match_type_t;
924 macip_find_match_type (macip_match_type_t * mv, u8 * mac_mask, u8 prefix_len,
930 for (i = 0; i < vec_len (mv); i++)
932 if ((mv[i].prefix_len == prefix_len) && (mv[i].is_ipv6 == is_ipv6)
933 && (0 == memcmp (mv[i].mac_mask, mac_mask, 6)))
943 /* Get metric used to sort match types.
944 The more specific and the more often seen - the bigger the metric */
946 match_type_metric (macip_match_type_t * m)
948 unsigned int mac_bits_set = 0;
949 unsigned int mac_byte;
953 mac_byte = m->mac_mask[i];
954 for (; mac_byte; mac_byte >>= 1)
955 mac_bits_set += mac_byte & 1;
958 * Attempt to place the more specific and the more used rules on top.
959 * There are obvious caveat corner cases to this, but they do not
960 * seem to be sensible in real world (e.g. specific IPv4 with wildcard MAC
961 * going with a wildcard IPv4 with a specific MAC).
963 return m->prefix_len + mac_bits_set + m->is_ipv6 + 10 * m->count;
967 match_type_compare (macip_match_type_t * m1, macip_match_type_t * m2)
969 /* Ascending sort based on the metric values */
970 return match_type_metric (m1) - match_type_metric (m2);
973 /* Get the offset of L3 source within ethernet packet */
975 get_l3_src_offset(int is6)
978 return (sizeof(ethernet_header_t) + offsetof(ip6_header_t, src_address));
980 return (sizeof(ethernet_header_t) + offsetof(ip4_header_t, src_address));
984 macip_create_classify_tables (acl_main_t * am, u32 macip_acl_index)
986 macip_match_type_t *mvec = NULL;
987 macip_match_type_t *mt;
988 macip_acl_list_t *a = pool_elt_at_index (am->macip_acls, macip_acl_index);
990 u32 match_type_index;
993 vnet_classify_main_t *cm = &vnet_classify_main;
995 /* Count the number of different types of rules */
996 for (i = 0; i < a->count; i++)
1000 macip_find_match_type (mvec, a->rules[i].src_mac_mask,
1001 a->rules[i].src_prefixlen,
1002 a->rules[i].is_ipv6)))
1004 match_type_index = vec_len (mvec);
1005 vec_validate (mvec, match_type_index);
1006 memcpy (mvec[match_type_index].mac_mask,
1007 a->rules[i].src_mac_mask, 6);
1008 mvec[match_type_index].prefix_len = a->rules[i].src_prefixlen;
1009 mvec[match_type_index].is_ipv6 = a->rules[i].is_ipv6;
1010 mvec[match_type_index].table_index = ~0;
1012 mvec[match_type_index].count++;
1014 /* Put the most frequently used tables last in the list so we can create classifier tables in reverse order */
1015 vec_sort_with_function (mvec, match_type_compare);
1016 /* Create the classifier tables */
1018 /* First add ARP tables */
1019 vec_foreach (mt, mvec)
1022 int is6 = mt->is_ipv6;
1024 mt->arp_table_index = ~0;
1027 memset (mask, 0, sizeof (mask));
1028 memcpy (&mask[6], mt->mac_mask, 6);
1029 memset (&mask[12], 0xff, 2); /* ethernet protocol */
1030 memcpy (&mask[14 + 8], mt->mac_mask, 6);
1032 for (i = 0; i < (mt->prefix_len / 8); i++)
1033 mask[14 + 14 + i] = 0xff;
1034 if (mt->prefix_len % 8)
1035 mask[14 + 14 + (mt->prefix_len / 8)] = 0xff - ((1 << (8 - mt->prefix_len % 8)) - 1);
1037 mask_len = ((14 + 14 + ((mt->prefix_len+7) / 8) +
1038 (sizeof (u32x4)-1))/sizeof(u32x4)) * sizeof (u32x4);
1039 acl_classify_add_del_table_small (cm, mask, mask_len, last_table,
1040 (~0 == last_table) ? 0 : ~0, &mt->arp_table_index,
1042 last_table = mt->arp_table_index;
1045 /* Now add IP[46] tables */
1046 vec_foreach (mt, mvec)
1049 int is6 = mt->is_ipv6;
1050 int l3_src_offs = get_l3_src_offset(is6);
1051 memset (mask, 0, sizeof (mask));
1052 memcpy (&mask[6], mt->mac_mask, 6);
1053 for (i = 0; i < (mt->prefix_len / 8); i++)
1055 mask[l3_src_offs + i] = 0xff;
1057 if (mt->prefix_len % 8)
1059 mask[l3_src_offs + (mt->prefix_len / 8)] =
1060 0xff - ((1 << (8 - mt->prefix_len % 8)) - 1);
1063 * Round-up the number of bytes needed to store the prefix,
1064 * and round up the number of vectors too
1066 mask_len = ((l3_src_offs + ((mt->prefix_len+7) / 8) +
1067 (sizeof (u32x4)-1))/sizeof(u32x4)) * sizeof (u32x4);
1068 acl_classify_add_del_table_small (cm, mask, mask_len, last_table,
1069 (~0 == last_table) ? 0 : ~0, &mt->table_index,
1071 last_table = mt->table_index;
1073 a->ip4_table_index = last_table;
1074 a->ip6_table_index = last_table;
1075 a->l2_table_index = last_table;
1077 /* Populate the classifier tables with rules from the MACIP ACL */
1078 for (i = 0; i < a->count; i++)
1082 int is6 = a->rules[i].is_ipv6;
1083 int l3_src_offs = get_l3_src_offset(is6);
1084 memset (mask, 0, sizeof (mask));
1085 memcpy (&mask[6], a->rules[i].src_mac, 6);
1086 memset (&mask[12], 0xff, 2); /* ethernet protocol */
1089 memcpy (&mask[l3_src_offs], &a->rules[i].src_ip_addr.ip6, 16);
1095 memcpy (&mask[l3_src_offs], &a->rules[i].src_ip_addr.ip4, 4);
1100 macip_find_match_type (mvec, a->rules[i].src_mac_mask,
1101 a->rules[i].src_prefixlen,
1102 a->rules[i].is_ipv6);
1103 ASSERT(match_type_index != ~0);
1104 /* add session to table mvec[match_type_index].table_index; */
1105 vnet_classify_add_del_session (cm, mvec[match_type_index].table_index,
1106 mask, a->rules[i].is_permit ? ~0 : 0, i,
1107 0, action, metadata, 1);
1108 /* add ARP table entry too */
1109 if (!is6 && (mvec[match_type_index].arp_table_index != ~0))
1111 memset (mask, 0, sizeof (mask));
1112 memcpy (&mask[6], a->rules[i].src_mac, 6);
1115 memcpy (&mask[14 + 8], a->rules[i].src_mac, 6);
1116 memcpy (&mask[14 + 14], &a->rules[i].src_ip_addr.ip4, 4);
1117 vnet_classify_add_del_session (cm, mvec[match_type_index].arp_table_index,
1118 mask, a->rules[i].is_permit ? ~0 : 0, i,
1119 0, action, metadata, 1);
1126 macip_destroy_classify_tables (acl_main_t * am, u32 macip_acl_index)
1128 vnet_classify_main_t *cm = &vnet_classify_main;
1129 macip_acl_list_t *a = pool_elt_at_index (am->macip_acls, macip_acl_index);
1131 if (a->ip4_table_index != ~0)
1133 acl_classify_add_del_table_small (cm, 0, ~0, ~0, ~0, &a->ip4_table_index, 0);
1134 a->ip4_table_index = ~0;
1136 if (a->ip6_table_index != ~0)
1138 acl_classify_add_del_table_small (cm, 0, ~0, ~0, ~0, &a->ip6_table_index, 0);
1139 a->ip6_table_index = ~0;
1141 if (a->l2_table_index != ~0)
1143 acl_classify_add_del_table_small (cm, 0, ~0, ~0, ~0, &a->l2_table_index, 0);
1144 a->l2_table_index = ~0;
1149 macip_acl_add_list (u32 count, vl_api_macip_acl_rule_t rules[],
1150 u32 * acl_list_index, u8 * tag)
1152 acl_main_t *am = &acl_main;
1153 macip_acl_list_t *a;
1154 macip_acl_rule_t *r;
1155 macip_acl_rule_t *acl_new_rules = 0;
1158 if (*acl_list_index != ~0)
1160 /* They supplied some number, let's see if this MACIP ACL exists */
1161 if (pool_is_free_index (am->macip_acls, *acl_list_index))
1163 /* tried to replace a non-existent ACL, no point doing anything */
1164 clib_warning("acl-plugin-error: Trying to replace nonexistent MACIP ACL %d (tag %s)", *acl_list_index, tag);
1170 clib_warning("acl-plugin-warning: Trying to create empty MACIP ACL (tag %s)", tag);
1172 void *oldheap = acl_set_heap(am);
1173 /* Create and populate the rules */
1175 vec_validate(acl_new_rules, count-1);
1177 for (i = 0; i < count; i++)
1179 r = &acl_new_rules[i];
1180 r->is_permit = rules[i].is_permit;
1181 r->is_ipv6 = rules[i].is_ipv6;
1182 memcpy (&r->src_mac, rules[i].src_mac, 6);
1183 memcpy (&r->src_mac_mask, rules[i].src_mac_mask, 6);
1184 if(rules[i].is_ipv6)
1185 memcpy (&r->src_ip_addr.ip6, rules[i].src_ip_addr, 16);
1187 memcpy (&r->src_ip_addr.ip4, rules[i].src_ip_addr, 4);
1188 r->src_prefixlen = rules[i].src_ip_prefix_len;
1191 if (~0 == *acl_list_index)
1194 pool_get_aligned (am->macip_acls, a, CLIB_CACHE_LINE_BYTES);
1195 memset (a, 0, sizeof (*a));
1196 /* Will return the newly allocated ACL index */
1197 *acl_list_index = a - am->macip_acls;
1201 a = pool_elt_at_index (am->macip_acls, *acl_list_index);
1204 vec_free (a->rules);
1206 macip_destroy_classify_tables (am, *acl_list_index);
1209 a->rules = acl_new_rules;
1211 memcpy (a->tag, tag, sizeof (a->tag));
1213 /* Create and populate the classifer tables */
1214 macip_create_classify_tables (am, *acl_list_index);
1215 clib_mem_set_heap (oldheap);
1220 /* No check for validity of sw_if_index - the callers were supposed to validate */
1223 macip_acl_interface_del_acl (acl_main_t * am, u32 sw_if_index)
1226 u32 macip_acl_index;
1227 macip_acl_list_t *a;
1228 void *oldheap = acl_set_heap(am);
1229 vec_validate_init_empty (am->macip_acl_by_sw_if_index, sw_if_index, ~0);
1230 clib_mem_set_heap (oldheap);
1231 macip_acl_index = am->macip_acl_by_sw_if_index[sw_if_index];
1232 /* No point in deleting MACIP ACL which is not applied */
1233 if (~0 == macip_acl_index)
1235 a = pool_elt_at_index (am->macip_acls, macip_acl_index);
1236 /* remove the classifier tables off the interface L2 ACL */
1238 vnet_set_input_acl_intfc (am->vlib_main, sw_if_index, a->ip4_table_index,
1239 a->ip6_table_index, a->l2_table_index, 0);
1240 /* Unset the MACIP ACL index */
1241 am->macip_acl_by_sw_if_index[sw_if_index] = ~0;
1245 /* No check for validity of sw_if_index - the callers were supposed to validate */
1248 macip_acl_interface_add_acl (acl_main_t * am, u32 sw_if_index,
1249 u32 macip_acl_index)
1251 macip_acl_list_t *a;
1253 if (pool_is_free_index (am->macip_acls, macip_acl_index))
1257 void *oldheap = acl_set_heap(am);
1258 a = pool_elt_at_index (am->macip_acls, macip_acl_index);
1259 vec_validate_init_empty (am->macip_acl_by_sw_if_index, sw_if_index, ~0);
1260 clib_mem_set_heap (oldheap);
1261 /* If there already a MACIP ACL applied, unapply it */
1262 if (~0 != am->macip_acl_by_sw_if_index[sw_if_index])
1263 macip_acl_interface_del_acl(am, sw_if_index);
1264 am->macip_acl_by_sw_if_index[sw_if_index] = macip_acl_index;
1266 /* Apply the classifier tables for L2 ACLs */
1268 vnet_set_input_acl_intfc (am->vlib_main, sw_if_index, a->ip4_table_index,
1269 a->ip6_table_index, a->l2_table_index, 1);
1274 macip_acl_del_list (u32 acl_list_index)
1276 acl_main_t *am = &acl_main;
1277 macip_acl_list_t *a;
1279 if (pool_is_free_index (am->macip_acls, acl_list_index))
1284 /* delete any references to the ACL */
1285 for (i = 0; i < vec_len (am->macip_acl_by_sw_if_index); i++)
1287 if (am->macip_acl_by_sw_if_index[i] == acl_list_index)
1289 macip_acl_interface_del_acl (am, i);
1293 void *oldheap = acl_set_heap(am);
1294 /* Now that classifier tables are detached, clean them up */
1295 macip_destroy_classify_tables (am, acl_list_index);
1297 /* now we can delete the ACL itself */
1298 a = pool_elt_at_index (am->macip_acls, acl_list_index);
1301 vec_free (a->rules);
1303 pool_put (am->macip_acls, a);
1304 clib_mem_set_heap (oldheap);
1310 macip_acl_interface_add_del_acl (u32 sw_if_index, u8 is_add,
1313 acl_main_t *am = &acl_main;
1317 rv = macip_acl_interface_add_acl (am, sw_if_index, acl_list_index);
1321 rv = macip_acl_interface_del_acl (am, sw_if_index);
1327 * If the client does not allocate enough memory for a variable-length
1328 * message, and then proceed to use it as if the full memory allocated,
1329 * absent the check we happily consume that on the VPP side, and go
1330 * along as if nothing happened. However, the resulting
1331 * effects range from just garbage in the API decode
1332 * (because the decoder snoops too far), to potential memory
1335 * This verifies that the actual length of the message is
1336 * at least expected_len, and complains loudly if it is not.
1338 * A failing check here is 100% a software bug on the API user side,
1339 * so we might as well yell.
1342 static int verify_message_len(void *mp, u32 expected_len, char *where)
1344 u32 supplied_len = vl_msg_api_get_msg_length (mp);
1345 if (supplied_len < expected_len) {
1346 clib_warning("%s: Supplied message length %d is less than expected %d",
1347 where, supplied_len, expected_len);
1354 /* API message handler */
1356 vl_api_acl_add_replace_t_handler (vl_api_acl_add_replace_t * mp)
1358 vl_api_acl_add_replace_reply_t *rmp;
1359 acl_main_t *am = &acl_main;
1361 u32 acl_list_index = ntohl (mp->acl_index);
1362 u32 acl_count = ntohl (mp->count);
1363 u32 expected_len = sizeof(*mp) + acl_count*sizeof(mp->r[0]);
1365 if (verify_message_len(mp, expected_len, "acl_add_replace")) {
1366 rv = acl_add_list (acl_count, mp->r, &acl_list_index, mp->tag);
1368 rv = VNET_API_ERROR_INVALID_VALUE;
1372 REPLY_MACRO2(VL_API_ACL_ADD_REPLACE_REPLY,
1374 rmp->acl_index = htonl(acl_list_index);
1380 vl_api_acl_del_t_handler (vl_api_acl_del_t * mp)
1382 acl_main_t *am = &acl_main;
1383 vl_api_acl_del_reply_t *rmp;
1386 rv = acl_del_list (ntohl (mp->acl_index));
1388 REPLY_MACRO (VL_API_ACL_DEL_REPLY);
1392 vl_api_acl_interface_add_del_t_handler (vl_api_acl_interface_add_del_t * mp)
1394 acl_main_t *am = &acl_main;
1395 vnet_interface_main_t *im = &am->vnet_main->interface_main;
1396 u32 sw_if_index = ntohl (mp->sw_if_index);
1397 vl_api_acl_interface_add_del_reply_t *rmp;
1400 if (pool_is_free_index(im->sw_interfaces, sw_if_index))
1401 rv = VNET_API_ERROR_INVALID_SW_IF_INDEX;
1404 acl_interface_add_del_inout_acl (sw_if_index, mp->is_add,
1405 mp->is_input, ntohl (mp->acl_index));
1407 REPLY_MACRO (VL_API_ACL_INTERFACE_ADD_DEL_REPLY);
1411 vl_api_acl_interface_set_acl_list_t_handler
1412 (vl_api_acl_interface_set_acl_list_t * mp)
1414 acl_main_t *am = &acl_main;
1415 vl_api_acl_interface_set_acl_list_reply_t *rmp;
1418 vnet_interface_main_t *im = &am->vnet_main->interface_main;
1419 u32 sw_if_index = ntohl (mp->sw_if_index);
1421 if (pool_is_free_index(im->sw_interfaces, sw_if_index))
1422 rv = VNET_API_ERROR_INVALID_SW_IF_INDEX;
1425 acl_interface_reset_inout_acls (sw_if_index, 0);
1426 acl_interface_reset_inout_acls (sw_if_index, 1);
1428 for (i = 0; i < mp->count; i++)
1430 if(acl_is_not_defined(am, ntohl (mp->acls[i]))) {
1431 /* ACL does not exist, so we can not apply it */
1436 for (i = 0; i < mp->count; i++)
1438 acl_interface_add_del_inout_acl (sw_if_index, 1, (i < mp->n_input),
1439 ntohl (mp->acls[i]));
1444 REPLY_MACRO (VL_API_ACL_INTERFACE_SET_ACL_LIST_REPLY);
1448 copy_acl_rule_to_api_rule (vl_api_acl_rule_t * api_rule, acl_rule_t * r)
1450 api_rule->is_permit = r->is_permit;
1451 api_rule->is_ipv6 = r->is_ipv6;
1454 memcpy (api_rule->src_ip_addr, &r->src, sizeof (r->src));
1455 memcpy (api_rule->dst_ip_addr, &r->dst, sizeof (r->dst));
1459 memcpy (api_rule->src_ip_addr, &r->src.ip4, sizeof (r->src.ip4));
1460 memcpy (api_rule->dst_ip_addr, &r->dst.ip4, sizeof (r->dst.ip4));
1462 api_rule->src_ip_prefix_len = r->src_prefixlen;
1463 api_rule->dst_ip_prefix_len = r->dst_prefixlen;
1464 api_rule->proto = r->proto;
1465 api_rule->srcport_or_icmptype_first = htons (r->src_port_or_type_first);
1466 api_rule->srcport_or_icmptype_last = htons (r->src_port_or_type_last);
1467 api_rule->dstport_or_icmpcode_first = htons (r->dst_port_or_code_first);
1468 api_rule->dstport_or_icmpcode_last = htons (r->dst_port_or_code_last);
1469 api_rule->tcp_flags_mask = r->tcp_flags_mask;
1470 api_rule->tcp_flags_value = r->tcp_flags_value;
1474 send_acl_details (acl_main_t * am, unix_shared_memory_queue_t * q,
1475 acl_list_t * acl, u32 context)
1477 vl_api_acl_details_t *mp;
1478 vl_api_acl_rule_t *rules;
1480 int msg_size = sizeof (*mp) + sizeof (mp->r[0]) * acl->count;
1481 void *oldheap = acl_set_heap(am);
1483 mp = vl_msg_api_alloc (msg_size);
1484 memset (mp, 0, msg_size);
1485 mp->_vl_msg_id = ntohs (VL_API_ACL_DETAILS + am->msg_id_base);
1487 /* fill in the message */
1488 mp->context = context;
1489 mp->count = htonl (acl->count);
1490 mp->acl_index = htonl (acl - am->acls);
1491 memcpy (mp->tag, acl->tag, sizeof (mp->tag));
1492 // clib_memcpy (mp->r, acl->rules, acl->count * sizeof(acl->rules[0]));
1494 for (i = 0; i < acl->count; i++)
1496 copy_acl_rule_to_api_rule (&rules[i], &acl->rules[i]);
1499 clib_mem_set_heap (oldheap);
1500 vl_msg_api_send_shmem (q, (u8 *) & mp);
1505 vl_api_acl_dump_t_handler (vl_api_acl_dump_t * mp)
1507 acl_main_t *am = &acl_main;
1512 unix_shared_memory_queue_t *q;
1514 q = vl_api_client_index_to_input_queue (mp->client_index);
1520 if (mp->acl_index == ~0)
1523 /* Just dump all ACLs */
1524 pool_foreach (acl, am->acls,
1526 send_acl_details(am, q, acl, mp->context);
1532 acl_index = ntohl (mp->acl_index);
1533 if (!pool_is_free_index (am->acls, acl_index))
1535 acl = pool_elt_at_index (am->acls, acl_index);
1536 send_acl_details (am, q, acl, mp->context);
1542 /* FIXME API: should we signal an error here at all ? */
1548 send_acl_interface_list_details (acl_main_t * am,
1549 unix_shared_memory_queue_t * q,
1550 u32 sw_if_index, u32 context)
1552 vl_api_acl_interface_list_details_t *mp;
1558 void *oldheap = acl_set_heap(am);
1560 vec_validate (am->input_acl_vec_by_sw_if_index, sw_if_index);
1561 vec_validate (am->output_acl_vec_by_sw_if_index, sw_if_index);
1563 n_input = vec_len (am->input_acl_vec_by_sw_if_index[sw_if_index]);
1564 n_output = vec_len (am->output_acl_vec_by_sw_if_index[sw_if_index]);
1565 count = n_input + n_output;
1567 msg_size = sizeof (*mp);
1568 msg_size += sizeof (mp->acls[0]) * count;
1570 mp = vl_msg_api_alloc (msg_size);
1571 memset (mp, 0, msg_size);
1573 ntohs (VL_API_ACL_INTERFACE_LIST_DETAILS + am->msg_id_base);
1575 /* fill in the message */
1576 mp->context = context;
1577 mp->sw_if_index = htonl (sw_if_index);
1579 mp->n_input = n_input;
1580 for (i = 0; i < n_input; i++)
1582 mp->acls[i] = htonl (am->input_acl_vec_by_sw_if_index[sw_if_index][i]);
1584 for (i = 0; i < n_output; i++)
1586 mp->acls[n_input + i] =
1587 htonl (am->output_acl_vec_by_sw_if_index[sw_if_index][i]);
1589 clib_mem_set_heap (oldheap);
1590 vl_msg_api_send_shmem (q, (u8 *) & mp);
1594 vl_api_acl_interface_list_dump_t_handler (vl_api_acl_interface_list_dump_t *
1597 acl_main_t *am = &acl_main;
1598 vnet_sw_interface_t *swif;
1599 vnet_interface_main_t *im = &am->vnet_main->interface_main;
1602 unix_shared_memory_queue_t *q;
1604 q = vl_api_client_index_to_input_queue (mp->client_index);
1610 if (mp->sw_if_index == ~0)
1613 pool_foreach (swif, im->sw_interfaces,
1615 send_acl_interface_list_details(am, q, swif->sw_if_index, mp->context);
1621 sw_if_index = ntohl (mp->sw_if_index);
1622 if (!pool_is_free_index(im->sw_interfaces, sw_if_index))
1623 send_acl_interface_list_details (am, q, sw_if_index, mp->context);
1627 /* MACIP ACL API handlers */
1630 vl_api_macip_acl_add_t_handler (vl_api_macip_acl_add_t * mp)
1632 vl_api_macip_acl_add_reply_t *rmp;
1633 acl_main_t *am = &acl_main;
1635 u32 acl_list_index = ~0;
1636 u32 acl_count = ntohl (mp->count);
1637 u32 expected_len = sizeof(*mp) + acl_count*sizeof(mp->r[0]);
1639 if (verify_message_len(mp, expected_len, "macip_acl_add")) {
1640 rv = macip_acl_add_list (acl_count, mp->r, &acl_list_index, mp->tag);
1642 rv = VNET_API_ERROR_INVALID_VALUE;
1646 REPLY_MACRO2(VL_API_MACIP_ACL_ADD_REPLY,
1648 rmp->acl_index = htonl(acl_list_index);
1654 vl_api_macip_acl_add_replace_t_handler (vl_api_macip_acl_add_replace_t * mp)
1656 vl_api_macip_acl_add_replace_reply_t *rmp;
1657 acl_main_t *am = &acl_main;
1659 u32 acl_list_index = ntohl (mp->acl_index);
1660 u32 acl_count = ntohl (mp->count);
1661 u32 expected_len = sizeof(*mp) + acl_count*sizeof(mp->r[0]);
1663 if (verify_message_len(mp, expected_len, "macip_acl_add_replace")) {
1664 rv = macip_acl_add_list (acl_count, mp->r, &acl_list_index, mp->tag);
1666 rv = VNET_API_ERROR_INVALID_VALUE;
1670 REPLY_MACRO2(VL_API_MACIP_ACL_ADD_REPLACE_REPLY,
1672 rmp->acl_index = htonl(acl_list_index);
1678 vl_api_macip_acl_del_t_handler (vl_api_macip_acl_del_t * mp)
1680 acl_main_t *am = &acl_main;
1681 vl_api_macip_acl_del_reply_t *rmp;
1684 rv = macip_acl_del_list (ntohl (mp->acl_index));
1686 REPLY_MACRO (VL_API_MACIP_ACL_DEL_REPLY);
1690 vl_api_macip_acl_interface_add_del_t_handler
1691 (vl_api_macip_acl_interface_add_del_t * mp)
1693 acl_main_t *am = &acl_main;
1694 vl_api_macip_acl_interface_add_del_reply_t *rmp;
1696 vnet_interface_main_t *im = &am->vnet_main->interface_main;
1697 u32 sw_if_index = ntohl (mp->sw_if_index);
1699 if (pool_is_free_index(im->sw_interfaces, sw_if_index))
1700 rv = VNET_API_ERROR_INVALID_SW_IF_INDEX;
1703 macip_acl_interface_add_del_acl (ntohl (mp->sw_if_index), mp->is_add,
1704 ntohl (mp->acl_index));
1706 REPLY_MACRO (VL_API_MACIP_ACL_INTERFACE_ADD_DEL_REPLY);
1710 send_macip_acl_details (acl_main_t * am, unix_shared_memory_queue_t * q,
1711 macip_acl_list_t * acl, u32 context)
1713 vl_api_macip_acl_details_t *mp;
1714 vl_api_macip_acl_rule_t *rules;
1715 macip_acl_rule_t *r;
1717 int msg_size = sizeof (*mp) + (acl ? sizeof (mp->r[0]) * acl->count : 0);
1719 mp = vl_msg_api_alloc (msg_size);
1720 memset (mp, 0, msg_size);
1721 mp->_vl_msg_id = ntohs (VL_API_MACIP_ACL_DETAILS + am->msg_id_base);
1723 /* fill in the message */
1724 mp->context = context;
1727 memcpy (mp->tag, acl->tag, sizeof (mp->tag));
1728 mp->count = htonl (acl->count);
1729 mp->acl_index = htonl (acl - am->macip_acls);
1731 for (i = 0; i < acl->count; i++)
1734 rules[i].is_permit = r->is_permit;
1735 rules[i].is_ipv6 = r->is_ipv6;
1736 memcpy (rules[i].src_mac, &r->src_mac, sizeof (r->src_mac));
1737 memcpy (rules[i].src_mac_mask, &r->src_mac_mask,
1738 sizeof (r->src_mac_mask));
1740 memcpy (rules[i].src_ip_addr, &r->src_ip_addr.ip6,
1741 sizeof (r->src_ip_addr.ip6));
1743 memcpy (rules[i].src_ip_addr, &r->src_ip_addr.ip4,
1744 sizeof (r->src_ip_addr.ip4));
1745 rules[i].src_ip_prefix_len = r->src_prefixlen;
1750 /* No martini, no party - no ACL applied to this interface. */
1755 vl_msg_api_send_shmem (q, (u8 *) & mp);
1760 vl_api_macip_acl_dump_t_handler (vl_api_macip_acl_dump_t * mp)
1762 acl_main_t *am = &acl_main;
1763 macip_acl_list_t *acl;
1765 unix_shared_memory_queue_t *q;
1767 q = vl_api_client_index_to_input_queue (mp->client_index);
1773 if (mp->acl_index == ~0)
1775 /* Just dump all ACLs for now, with sw_if_index = ~0 */
1776 pool_foreach (acl, am->macip_acls, (
1778 send_macip_acl_details (am, q, acl,
1786 u32 acl_index = ntohl (mp->acl_index);
1787 if (!pool_is_free_index (am->macip_acls, acl_index))
1789 acl = pool_elt_at_index (am->macip_acls, acl_index);
1790 send_macip_acl_details (am, q, acl, mp->context);
1796 vl_api_macip_acl_interface_get_t_handler (vl_api_macip_acl_interface_get_t *
1799 acl_main_t *am = &acl_main;
1800 vl_api_macip_acl_interface_get_reply_t *rmp;
1801 u32 count = vec_len (am->macip_acl_by_sw_if_index);
1802 int msg_size = sizeof (*rmp) + sizeof (rmp->acls[0]) * count;
1803 unix_shared_memory_queue_t *q;
1806 q = vl_api_client_index_to_input_queue (mp->client_index);
1812 rmp = vl_msg_api_alloc (msg_size);
1813 memset (rmp, 0, msg_size);
1815 ntohs (VL_API_MACIP_ACL_INTERFACE_GET_REPLY + am->msg_id_base);
1816 rmp->context = mp->context;
1817 rmp->count = htonl (count);
1818 for (i = 0; i < count; i++)
1820 rmp->acls[i] = htonl (am->macip_acl_by_sw_if_index[i]);
1823 vl_msg_api_send_shmem (q, (u8 *) & rmp);
1827 send_macip_acl_interface_list_details (acl_main_t * am,
1828 unix_shared_memory_queue_t * q,
1833 vl_api_macip_acl_interface_list_details_t *rmp;
1834 /* at this time there is only ever 1 mac ip acl per interface */
1835 int msg_size = sizeof (*rmp) + sizeof (rmp->acls[0]);
1837 rmp = vl_msg_api_alloc (msg_size);
1838 memset (rmp, 0, msg_size);
1839 rmp->_vl_msg_id = ntohs (VL_API_MACIP_ACL_INTERFACE_LIST_DETAILS + am->msg_id_base);
1841 /* fill in the message */
1842 rmp->context = context;
1844 rmp->sw_if_index = htonl (sw_if_index);
1845 rmp->acls[0] = htonl (acl_index);
1847 vl_msg_api_send_shmem (q, (u8 *) & rmp);
1851 vl_api_macip_acl_interface_list_dump_t_handler (vl_api_macip_acl_interface_list_dump_t *mp)
1853 unix_shared_memory_queue_t *q;
1854 acl_main_t *am = &acl_main;
1855 u32 sw_if_index = ntohl (mp->sw_if_index);
1857 q = vl_api_client_index_to_input_queue (mp->client_index);
1863 if (sw_if_index == ~0)
1865 vec_foreach_index(sw_if_index, am->macip_acl_by_sw_if_index)
1867 if (~0 != am->macip_acl_by_sw_if_index[sw_if_index])
1869 send_macip_acl_interface_list_details(am, q, sw_if_index,
1870 am->macip_acl_by_sw_if_index[sw_if_index],
1877 if (vec_len(am->macip_acl_by_sw_if_index) > sw_if_index)
1879 send_macip_acl_interface_list_details(am, q, sw_if_index,
1880 am->macip_acl_by_sw_if_index[sw_if_index],
1886 /* Set up the API message handling tables */
1887 static clib_error_t *
1888 acl_plugin_api_hookup (vlib_main_t * vm)
1890 acl_main_t *am = &acl_main;
1892 vl_msg_api_set_handlers((VL_API_##N + am->msg_id_base), \
1894 vl_api_##n##_t_handler, \
1896 vl_api_##n##_t_endian, \
1897 vl_api_##n##_t_print, \
1898 sizeof(vl_api_##n##_t), 1);
1899 foreach_acl_plugin_api_msg;
1905 #define vl_msg_name_crc_list
1906 #include <acl/acl_all_api_h.h>
1907 #undef vl_msg_name_crc_list
1910 setup_message_id_table (acl_main_t * am, api_main_t * apim)
1912 #define _(id,n,crc) \
1913 vl_msg_api_add_msg_name_crc (apim, #n "_" #crc, id + am->msg_id_base);
1914 foreach_vl_msg_name_crc_acl;
1919 acl_setup_fa_nodes (void)
1921 vlib_main_t *vm = vlib_get_main ();
1922 acl_main_t *am = &acl_main;
1923 vlib_node_t *n, *n4, *n6;
1925 n = vlib_get_node_by_name (vm, (u8 *) "l2-input-classify");
1926 n4 = vlib_get_node_by_name (vm, (u8 *) "acl-plugin-in-ip4-l2");
1927 n6 = vlib_get_node_by_name (vm, (u8 *) "acl-plugin-in-ip6-l2");
1930 am->l2_input_classify_next_acl_ip4 =
1931 vlib_node_add_next_with_slot (vm, n->index, n4->index, ~0);
1932 am->l2_input_classify_next_acl_ip6 =
1933 vlib_node_add_next_with_slot (vm, n->index, n6->index, ~0);
1935 feat_bitmap_init_next_nodes (vm, n4->index, L2INPUT_N_FEAT,
1936 l2input_get_feat_names (),
1937 am->fa_acl_in_ip4_l2_node_feat_next_node_index);
1939 feat_bitmap_init_next_nodes (vm, n6->index, L2INPUT_N_FEAT,
1940 l2input_get_feat_names (),
1941 am->fa_acl_in_ip6_l2_node_feat_next_node_index);
1944 n = vlib_get_node_by_name (vm, (u8 *) "l2-output-classify");
1945 n4 = vlib_get_node_by_name (vm, (u8 *) "acl-plugin-out-ip4-l2");
1946 n6 = vlib_get_node_by_name (vm, (u8 *) "acl-plugin-out-ip6-l2");
1948 am->l2_output_classify_next_acl_ip4 =
1949 vlib_node_add_next_with_slot (vm, n->index, n4->index, ~0);
1950 am->l2_output_classify_next_acl_ip6 =
1951 vlib_node_add_next_with_slot (vm, n->index, n6->index, ~0);
1953 feat_bitmap_init_next_nodes (vm, n4->index, L2OUTPUT_N_FEAT,
1954 l2output_get_feat_names (),
1955 am->fa_acl_out_ip4_l2_node_feat_next_node_index);
1957 feat_bitmap_init_next_nodes (vm, n6->index, L2OUTPUT_N_FEAT,
1958 l2output_get_feat_names (),
1959 am->fa_acl_out_ip6_l2_node_feat_next_node_index);
1963 acl_set_timeout_sec(int timeout_type, u32 value)
1965 acl_main_t *am = &acl_main;
1966 clib_time_t *ct = &am->vlib_main->clib_time;
1968 if (timeout_type < ACL_N_TIMEOUTS) {
1969 am->session_timeout_sec[timeout_type] = value;
1971 clib_warning("Unknown timeout type %d", timeout_type);
1974 am->session_timeout[timeout_type] = (u64)(((f64)value)/ct->seconds_per_clock);
1978 acl_set_session_max_entries(u32 value)
1980 acl_main_t *am = &acl_main;
1981 am->fa_conn_table_max_entries = value;
1985 acl_set_skip_ipv6_eh(u32 eh, u32 value)
1987 acl_main_t *am = &acl_main;
1989 if ((eh < 256) && (value < 2))
1991 am->fa_ipv6_known_eh_bitmap = clib_bitmap_set(am->fa_ipv6_known_eh_bitmap, eh, value);
1999 static clib_error_t *
2000 acl_sw_interface_add_del (vnet_main_t * vnm, u32 sw_if_index, u32 is_add)
2002 acl_main_t *am = &acl_main;
2003 if (0 == am->acl_mheap) {
2004 /* ACL heap is not initialized, so definitely nothing to do. */
2008 vlib_process_signal_event (am->vlib_main, am->fa_cleaner_node_index,
2009 ACL_FA_CLEANER_DELETE_BY_SW_IF_INDEX, sw_if_index);
2010 /* also unapply any ACLs in case the users did not do so. */
2011 macip_acl_interface_del_acl(am, sw_if_index);
2012 acl_interface_reset_inout_acls (sw_if_index, 0);
2013 acl_interface_reset_inout_acls (sw_if_index, 1);
2018 VNET_SW_INTERFACE_ADD_DEL_FUNCTION (acl_sw_interface_add_del);
2022 static clib_error_t *
2023 acl_set_aclplugin_fn (vlib_main_t * vm,
2024 unformat_input_t * input,
2025 vlib_cli_command_t * cmd)
2027 clib_error_t *error = 0;
2031 uword memory_size = 0;
2032 acl_main_t *am = &acl_main;
2034 if (unformat (input, "skip-ipv6-extension-header %u %u", &eh_val, &val)) {
2035 if(!acl_set_skip_ipv6_eh(eh_val, val)) {
2036 error = clib_error_return(0, "expecting eh=0..255, value=0..1");
2040 if (unformat (input, "use-hash-acl-matching %u", &val))
2042 am->use_hash_acl_matching = (val !=0);
2045 if (unformat (input, "l4-match-nonfirst-fragment %u", &val))
2047 am->l4_match_nonfirst_fragment = (val != 0);
2050 if (unformat (input, "heap"))
2052 if (unformat(input, "main"))
2054 if (unformat(input, "validate %u", &val))
2055 acl_plugin_acl_set_validate_heap(am, val);
2056 else if (unformat(input, "trace %u", &val))
2057 acl_plugin_acl_set_trace_heap(am, val);
2060 else if (unformat(input, "hash"))
2062 if (unformat(input, "validate %u", &val))
2063 acl_plugin_hash_acl_set_validate_heap(am, val);
2064 else if (unformat(input, "trace %u", &val))
2065 acl_plugin_hash_acl_set_trace_heap(am, val);
2070 if (unformat (input, "session")) {
2071 if (unformat (input, "table")) {
2072 /* The commands here are for tuning/testing. No user-serviceable parts inside */
2073 if (unformat (input, "max-entries")) {
2074 if (!unformat(input, "%u", &val)) {
2075 error = clib_error_return(0,
2076 "expecting maximum number of entries, got `%U`",
2077 format_unformat_error, input);
2080 acl_set_session_max_entries(val);
2084 if (unformat (input, "hash-table-buckets")) {
2085 if (!unformat(input, "%u", &val)) {
2086 error = clib_error_return(0,
2087 "expecting maximum number of hash table buckets, got `%U`",
2088 format_unformat_error, input);
2091 am->fa_conn_table_hash_num_buckets = val;
2095 if (unformat (input, "hash-table-memory")) {
2096 if (!unformat(input, "%U", unformat_memory_size, &memory_size)) {
2097 error = clib_error_return(0,
2098 "expecting maximum amount of hash table memory, got `%U`",
2099 format_unformat_error, input);
2102 am->fa_conn_table_hash_memory_size = memory_size;
2108 if (unformat (input, "timeout")) {
2109 if (unformat(input, "udp")) {
2110 if(unformat(input, "idle")) {
2111 if (!unformat(input, "%u", &timeout)) {
2112 error = clib_error_return(0,
2113 "expecting timeout value in seconds, got `%U`",
2114 format_unformat_error, input);
2117 acl_set_timeout_sec(ACL_TIMEOUT_UDP_IDLE, timeout);
2122 if (unformat(input, "tcp")) {
2123 if(unformat(input, "idle")) {
2124 if (!unformat(input, "%u", &timeout)) {
2125 error = clib_error_return(0,
2126 "expecting timeout value in seconds, got `%U`",
2127 format_unformat_error, input);
2130 acl_set_timeout_sec(ACL_TIMEOUT_TCP_IDLE, timeout);
2134 if(unformat(input, "transient")) {
2135 if (!unformat(input, "%u", &timeout)) {
2136 error = clib_error_return(0,
2137 "expecting timeout value in seconds, got `%U`",
2138 format_unformat_error, input);
2141 acl_set_timeout_sec(ACL_TIMEOUT_TCP_TRANSIENT, timeout);
2154 my_format_mac_address (u8 * s, va_list * args)
2156 u8 *a = va_arg (*args, u8 *);
2157 return format (s, "%02x:%02x:%02x:%02x:%02x:%02x",
2158 a[0], a[1], a[2], a[3], a[4], a[5]);
2162 my_macip_acl_rule_t_pretty_format (u8 *out, va_list *args)
2164 macip_acl_rule_t *a = va_arg (*args, macip_acl_rule_t *);
2166 out = format(out, "%s action %d ip %U/%d mac %U mask %U",
2167 a->is_ipv6 ? "ipv6" : "ipv4", a->is_permit,
2168 format_ip46_address, &a->src_ip_addr, IP46_TYPE_ANY,
2170 my_format_mac_address, a->src_mac,
2171 my_format_mac_address, a->src_mac_mask);
2176 macip_acl_print(acl_main_t *am, u32 macip_acl_index)
2178 vlib_main_t * vm = am->vlib_main;
2181 /* Don't try to print someone else's memory */
2182 if (macip_acl_index > vec_len(am->macip_acls))
2185 macip_acl_list_t *a = vec_elt_at_index(am->macip_acls, macip_acl_index);
2186 int free_pool_slot = pool_is_free_index(am->macip_acls, macip_acl_index);
2188 vlib_cli_output(vm, "MACIP acl_index: %d, count: %d (true len %d) tag {%s} is free pool slot: %d\n",
2189 macip_acl_index, a->count, vec_len(a->rules), a->tag, free_pool_slot);
2190 vlib_cli_output(vm, " ip4_table_index %d, ip6_table_index %d, l2_table_index %d\n",
2191 a->ip4_table_index, a->ip6_table_index, a->l2_table_index);
2192 for(i=0; i<vec_len(a->rules); i++)
2193 vlib_cli_output(vm, " rule %d: %U\n", i, my_macip_acl_rule_t_pretty_format,
2194 vec_elt_at_index(a->rules, i));
2198 static clib_error_t *
2199 acl_show_aclplugin_macip_fn (vlib_main_t * vm,
2200 unformat_input_t * input,
2201 vlib_cli_command_t * cmd)
2203 clib_error_t *error = 0;
2204 acl_main_t *am = &acl_main;
2206 if (unformat (input, "interface"))
2208 for(i=0; i < vec_len(am->macip_acl_by_sw_if_index); i++)
2210 vlib_cli_output(vm, " sw_if_index %d: %d\n", i, vec_elt(am->macip_acl_by_sw_if_index, i));
2213 else if (unformat (input, "acl"))
2215 for(i=0; i < vec_len(am->macip_acls); i++)
2216 macip_acl_print(am, i);
2222 static clib_error_t *
2223 acl_show_aclplugin_fn (vlib_main_t * vm,
2224 unformat_input_t * input,
2225 vlib_cli_command_t * cmd)
2227 clib_error_t *error = 0;
2228 acl_main_t *am = &acl_main;
2229 vnet_interface_main_t *im = &am->vnet_main->interface_main;
2232 vnet_sw_interface_t *swif;
2234 if (unformat (input, "sessions"))
2236 u8 * out0 = format(0, "");
2238 u32 show_bihash_verbose = 0;
2239 u32 show_session_thread_id = ~0;
2240 u32 show_session_session_index = ~0;
2241 unformat (input, "thread %u index %u", &show_session_thread_id, &show_session_session_index);
2242 unformat (input, "verbose %u", &show_bihash_verbose);
2244 u64 n_adds = am->fa_session_total_adds;
2245 u64 n_dels = am->fa_session_total_dels;
2246 out0 = format(out0, "Sessions total: add %lu - del %lu = %lu\n", n_adds, n_dels, n_adds - n_dels);
2248 out0 = format(out0, "\n\nPer-thread data:\n");
2249 for (wk = 0; wk < vec_len (am->per_worker_data); wk++) {
2250 acl_fa_per_worker_data_t *pw = &am->per_worker_data[wk];
2251 out0 = format(out0, "Thread #%d:\n", wk);
2252 if (show_session_thread_id == wk && show_session_session_index < pool_len(pw->fa_sessions_pool)) {
2253 out0 = format(out0, " session index %u:\n", show_session_session_index);
2254 fa_session_t *sess = pw->fa_sessions_pool + show_session_session_index;
2255 u64 *m = (u64 *)&sess->info;
2256 out0 = format(out0, " info: %016llx %016llx %016llx %016llx %016llx %016llx\n", m[0], m[1], m[2], m[3], m[4], m[5]);
2257 out0 = format(out0, " sw_if_index: %u\n", sess->sw_if_index);
2258 out0 = format(out0, " tcp_flags_seen: %x\n", sess->tcp_flags_seen.as_u16);
2259 out0 = format(out0, " last active time: %lu\n", sess->last_active_time);
2260 out0 = format(out0, " thread index: %u\n", sess->thread_index);
2261 out0 = format(out0, " link enqueue time: %lu\n", sess->link_enqueue_time);
2262 out0 = format(out0, " link next index: %u\n", sess->link_next_idx);
2263 out0 = format(out0, " link prev index: %u\n", sess->link_prev_idx);
2264 out0 = format(out0, " link list id: %u\n", sess->link_list_id);
2266 out0 = format(out0, " connection add/del stats:\n", wk);
2267 pool_foreach (swif, im->sw_interfaces,
2269 u32 sw_if_index = swif->sw_if_index;
2270 u64 n_adds = sw_if_index < vec_len(pw->fa_session_adds_by_sw_if_index) ? pw->fa_session_adds_by_sw_if_index[sw_if_index] : 0;
2271 u64 n_dels = sw_if_index < vec_len(pw->fa_session_dels_by_sw_if_index) ? pw->fa_session_dels_by_sw_if_index[sw_if_index] : 0;
2272 out0 = format(out0, " sw_if_index %d: add %lu - del %lu = %lu\n", sw_if_index, n_adds, n_dels, n_adds - n_dels);
2275 out0 = format(out0, " connection timeout type lists:\n", wk);
2277 for(tt = 0; tt < ACL_N_TIMEOUTS; tt++) {
2278 u32 head_session_index = pw->fa_conn_list_head[tt];
2279 out0 = format(out0, " fa_conn_list_head[%d]: %d\n", tt, head_session_index);
2280 if (~0 != head_session_index) {
2281 fa_session_t *sess = pw->fa_sessions_pool + head_session_index;
2282 out0 = format(out0, " last active time: %lu\n", sess->last_active_time);
2283 out0 = format(out0, " link enqueue time: %lu\n", sess->link_enqueue_time);
2287 out0 = format(out0, " Next expiry time: %lu\n", pw->next_expiry_time);
2288 out0 = format(out0, " Requeue until time: %lu\n", pw->requeue_until_time);
2289 out0 = format(out0, " Current time wait interval: %lu\n", pw->current_time_wait_interval);
2290 out0 = format(out0, " Count of deleted sessions: %lu\n", pw->cnt_deleted_sessions);
2291 out0 = format(out0, " Delete already deleted: %lu\n", pw->cnt_already_deleted_sessions);
2292 out0 = format(out0, " Session timers restarted: %lu\n", pw->cnt_session_timer_restarted);
2293 out0 = format(out0, " Swipe until this time: %lu\n", pw->swipe_end_time);
2294 out0 = format(out0, " sw_if_index serviced bitmap: %U\n", format_bitmap_hex, pw->serviced_sw_if_index_bitmap);
2295 out0 = format(out0, " pending clear intfc bitmap : %U\n", format_bitmap_hex, pw->pending_clear_sw_if_index_bitmap);
2296 out0 = format(out0, " clear in progress: %u\n", pw->clear_in_process);
2297 out0 = format(out0, " interrupt is pending: %d\n", pw->interrupt_is_pending);
2298 out0 = format(out0, " interrupt is needed: %d\n", pw->interrupt_is_needed);
2299 out0 = format(out0, " interrupt is unwanted: %d\n", pw->interrupt_is_unwanted);
2300 out0 = format(out0, " interrupt generation: %d\n", pw->interrupt_generation);
2302 out0 = format(out0, "\n\nConn cleaner thread counters:\n");
2303 #define _(cnt, desc) out0 = format(out0, " %20lu: %s\n", am->cnt, desc);
2304 foreach_fa_cleaner_counter;
2306 vec_terminate_c_string(out0);
2307 vlib_cli_output(vm, "\n\n%s\n\n", out0);
2308 vlib_cli_output(vm, "Interrupt generation: %d\n", am->fa_interrupt_generation);
2309 vlib_cli_output(vm, "Sessions per interval: min %lu max %lu increment: %f ms current: %f ms",
2310 am->fa_min_deleted_sessions_per_interval, am->fa_max_deleted_sessions_per_interval,
2311 am->fa_cleaner_wait_time_increment * 1000.0, ((f64)am->fa_current_cleaner_timer_wait_interval) * 1000.0/(f64)vm->clib_time.clocks_per_second);
2314 show_fa_sessions_hash(vm, show_bihash_verbose);
2316 else if (unformat (input, "interface"))
2318 u32 sw_if_index = ~0;
2320 u8 * out0 = format(0, "");
2321 unformat (input, "sw_if_index %u", &sw_if_index);
2322 for(swi = 0; (swi < vec_len(am->input_acl_vec_by_sw_if_index)) ||
2323 (swi < vec_len(am->output_acl_vec_by_sw_if_index)); swi++) {
2324 out0 = format(out0, "sw_if_index %d:\n", swi);
2326 if ((swi < vec_len(am->input_acl_vec_by_sw_if_index)) &&
2327 (vec_len(am->input_acl_vec_by_sw_if_index[swi]) > 0)) {
2328 out0 = format(out0, " input acl(s): ");
2329 vec_foreach(pj, am->input_acl_vec_by_sw_if_index[swi]) {
2330 out0 = format(out0, "%d ", *pj);
2332 out0 = format(out0, "\n");
2335 if ((swi < vec_len(am->output_acl_vec_by_sw_if_index)) &&
2336 (vec_len(am->output_acl_vec_by_sw_if_index[swi]) > 0)) {
2337 out0 = format(out0, " output acl(s): ");
2338 vec_foreach(pj, am->output_acl_vec_by_sw_if_index[swi]) {
2339 out0 = format(out0, "%d ", *pj);
2341 out0 = format(out0, "\n");
2345 vec_terminate_c_string(out0);
2346 vlib_cli_output(vm, "\n%s\n", out0);
2349 else if (unformat (input, "acl"))
2353 u8 * out0 = format(0, "");
2354 unformat (input, "index %u", &acl_index);
2355 for(i=0; i<vec_len(am->acls); i++) {
2356 if (acl_is_not_defined(am, i)) {
2357 /* don't attempt to show the ACLs that do not exist */
2360 if ((acl_index != ~0) && (acl_index != i)) {
2363 out0 = format(out0, "acl-index %u count %u tag {%s}\n", i, am->acls[i].count, am->acls[i].tag);
2366 for(j=0; j<am->acls[i].count; j++) {
2367 r = &am->acls[i].rules[j];
2368 out0 = format(out0, " %4d: %s ", j, r->is_ipv6 ? "ipv6" : "ipv4");
2369 out0 = format_acl_action(out0, r->is_permit);
2370 out0 = format(out0, " src %U/%d", format_ip46_address, &r->src, IP46_TYPE_ANY, r->src_prefixlen);
2371 out0 = format(out0, " dst %U/%d", format_ip46_address, &r->dst, IP46_TYPE_ANY, r->dst_prefixlen);
2372 out0 = format(out0, " proto %d", r->proto);
2373 out0 = format(out0, " sport %d", r->src_port_or_type_first);
2374 if (r->src_port_or_type_first != r->src_port_or_type_last) {
2375 out0 = format(out0, "-%d", r->src_port_or_type_last);
2377 out0 = format(out0, " dport %d", r->dst_port_or_code_first);
2378 if (r->dst_port_or_code_first != r->dst_port_or_code_last) {
2379 out0 = format(out0, "-%d", r->dst_port_or_code_last);
2381 if (r->tcp_flags_mask || r->tcp_flags_value) {
2382 out0 = format(out0, " tcpflags %d mask %d", r->tcp_flags_value, r->tcp_flags_mask);
2384 out0 = format(out0, "\n");
2387 if (i<vec_len(am->input_sw_if_index_vec_by_acl)) {
2388 out0 = format(out0, " applied inbound on sw_if_index: ");
2389 vec_foreach(pj, am->input_sw_if_index_vec_by_acl[i]) {
2390 out0 = format(out0, "%d ", *pj);
2392 out0 = format(out0, "\n");
2394 if (i<vec_len(am->output_sw_if_index_vec_by_acl)) {
2395 out0 = format(out0, " applied outbound on sw_if_index: ");
2396 vec_foreach(pj, am->output_sw_if_index_vec_by_acl[i]) {
2397 out0 = format(out0, "%d ", *pj);
2399 out0 = format(out0, "\n");
2402 vec_terminate_c_string(out0);
2403 vlib_cli_output(vm, "\n%s\n", out0);
2406 else if (unformat (input, "memory"))
2408 vlib_cli_output (vm, "ACL plugin main heap statistics:\n");
2409 if (am->acl_mheap) {
2410 vlib_cli_output (vm, " %U\n", format_mheap, am->acl_mheap, 1);
2412 vlib_cli_output (vm, " Not initialized\n");
2414 vlib_cli_output (vm, "ACL hash lookup support heap statistics:\n");
2415 if (am->hash_lookup_mheap) {
2416 vlib_cli_output (vm, " %U\n", format_mheap, am->hash_lookup_mheap, 1);
2418 vlib_cli_output (vm, " Not initialized\n");
2421 else if (unformat (input, "tables"))
2423 ace_mask_type_entry_t *mte;
2425 u32 sw_if_index = ~0;
2426 int show_acl_hash_info = 0;
2427 int show_applied_info = 0;
2428 int show_mask_type = 0;
2429 int show_bihash = 0;
2430 u32 show_bihash_verbose = 0;
2432 if (unformat (input, "acl")) {
2433 show_acl_hash_info = 1;
2434 /* mask-type is handy to see as well right there */
2436 unformat (input, "index %u", &acl_index);
2437 } else if (unformat (input, "applied")) {
2438 show_applied_info = 1;
2439 unformat (input, "sw_if_index %u", &sw_if_index);
2440 } else if (unformat (input, "mask")) {
2442 } else if (unformat (input, "hash")) {
2444 unformat (input, "verbose %u", &show_bihash_verbose);
2447 if ( ! (show_mask_type || show_acl_hash_info || show_applied_info || show_bihash) ) {
2448 /* if no qualifiers specified, show all */
2450 show_acl_hash_info = 1;
2451 show_applied_info = 1;
2455 if (show_mask_type) {
2456 vlib_cli_output(vm, "Mask-type entries:");
2458 pool_foreach(mte, am->ace_mask_type_pool,
2460 vlib_cli_output(vm, " %3d: %016llx %016llx %016llx %016llx %016llx %016llx refcount %d",
2461 mte - am->ace_mask_type_pool,
2462 mte->mask.kv.key[0], mte->mask.kv.key[1], mte->mask.kv.key[2],
2463 mte->mask.kv.key[3], mte->mask.kv.key[4], mte->mask.kv.value, mte->refcount);
2468 if (show_acl_hash_info) {
2470 u8 * out0 = format(0, "");
2472 out0 = format(out0, "Mask-ready ACL representations\n");
2473 for (i=0; i< vec_len(am->hash_acl_infos); i++) {
2474 if ((acl_index != ~0) && (acl_index != i)) {
2477 hash_acl_info_t *ha = &am->hash_acl_infos[i];
2478 out0 = format(out0, "acl-index %u bitmask-ready layout\n", i);
2479 out0 = format(out0, " applied inbound on sw_if_index list: %U\n", format_vec32, ha->inbound_sw_if_index_list, "%d");
2480 out0 = format(out0, " applied outbound on sw_if_index list: %U\n", format_vec32, ha->outbound_sw_if_index_list, "%d");
2481 out0 = format(out0, " mask type index bitmap: %U\n", format_bitmap_hex, ha->mask_type_index_bitmap);
2482 for(j=0; j<vec_len(ha->rules); j++) {
2483 hash_ace_info_t *pa = &ha->rules[j];
2484 m = (u64 *)&pa->match;
2485 out0 = format(out0, " %4d: %016llx %016llx %016llx %016llx %016llx %016llx mask index %d acl %d rule %d action %d src/dst portrange not ^2: %d,%d\n",
2486 j, m[0], m[1], m[2], m[3], m[4], m[5], pa->mask_type_index,
2487 pa->acl_index, pa->ace_index, pa->action,
2488 pa->src_portrange_not_powerof2, pa->dst_portrange_not_powerof2);
2491 vec_terminate_c_string(out0);
2492 vlib_cli_output(vm, "\n%s\n", out0);
2496 if (show_applied_info) {
2498 u8 * out0 = format(0, "");
2499 out0 = format(out0, "Applied lookup entries for interfaces\n");
2501 for(swi = 0; (swi < vec_len(am->input_applied_hash_acl_info_by_sw_if_index)) ||
2502 (swi < vec_len(am->output_applied_hash_acl_info_by_sw_if_index)) ||
2503 (swi < vec_len(am->input_hash_entry_vec_by_sw_if_index)) ||
2504 (swi < vec_len(am->output_hash_entry_vec_by_sw_if_index)); swi++) {
2505 if ((sw_if_index != ~0) && (sw_if_index != swi)) {
2508 out0 = format(out0, "sw_if_index %d:\n", swi);
2509 if (swi < vec_len(am->input_applied_hash_acl_info_by_sw_if_index)) {
2510 applied_hash_acl_info_t *pal = &am->input_applied_hash_acl_info_by_sw_if_index[swi];
2511 out0 = format(out0, " input lookup mask_type_index_bitmap: %U\n", format_bitmap_hex, pal->mask_type_index_bitmap);
2512 out0 = format(out0, " input applied acls: %U\n", format_vec32, pal->applied_acls, "%d");
2514 if (swi < vec_len(am->input_hash_entry_vec_by_sw_if_index)) {
2515 out0 = format(out0, " input lookup applied entries:\n");
2516 for(j=0; j<vec_len(am->input_hash_entry_vec_by_sw_if_index[swi]); j++) {
2517 applied_hash_ace_entry_t *pae = &am->input_hash_entry_vec_by_sw_if_index[swi][j];
2518 out0 = format(out0, " %4d: acl %d rule %d action %d bitmask-ready rule %d next %d prev %d tail %d hitcount %lld\n",
2519 j, pae->acl_index, pae->ace_index, pae->action, pae->hash_ace_info_index,
2520 pae->next_applied_entry_index, pae->prev_applied_entry_index, pae->tail_applied_entry_index, pae->hitcount);
2524 if (swi < vec_len(am->output_applied_hash_acl_info_by_sw_if_index)) {
2525 applied_hash_acl_info_t *pal = &am->output_applied_hash_acl_info_by_sw_if_index[swi];
2526 out0 = format(out0, " output lookup mask_type_index_bitmap: %U\n", format_bitmap_hex, pal->mask_type_index_bitmap);
2527 out0 = format(out0, " output applied acls: %U\n", format_vec32, pal->applied_acls, "%d");
2529 if (swi < vec_len(am->output_hash_entry_vec_by_sw_if_index)) {
2530 out0 = format(out0, " output lookup applied entries:\n");
2531 for(j=0; j<vec_len(am->output_hash_entry_vec_by_sw_if_index[swi]); j++) {
2532 applied_hash_ace_entry_t *pae = &am->output_hash_entry_vec_by_sw_if_index[swi][j];
2533 out0 = format(out0, " %4d: acl %d rule %d action %d bitmask-ready rule %d next %d prev %d tail %d hitcount %lld\n",
2534 j, pae->acl_index, pae->ace_index, pae->action, pae->hash_ace_info_index,
2535 pae->next_applied_entry_index, pae->prev_applied_entry_index, pae->tail_applied_entry_index, pae->hitcount);
2540 vec_terminate_c_string(out0);
2541 vlib_cli_output(vm, "\n%s\n", out0);
2546 show_hash_acl_hash(vm, am, show_bihash_verbose);
2552 static clib_error_t *
2553 acl_clear_aclplugin_fn (vlib_main_t * vm,
2554 unformat_input_t * input,
2555 vlib_cli_command_t * cmd)
2557 clib_error_t *error = 0;
2558 acl_main_t *am = &acl_main;
2559 vlib_process_signal_event (am->vlib_main, am->fa_cleaner_node_index,
2560 ACL_FA_CLEANER_DELETE_BY_SW_IF_INDEX, ~0);
2565 VLIB_CLI_COMMAND (aclplugin_set_command, static) = {
2566 .path = "set acl-plugin",
2567 .short_help = "set acl-plugin session timeout {{udp idle}|tcp {idle|transient}} <seconds>",
2568 .function = acl_set_aclplugin_fn,
2571 VLIB_CLI_COMMAND (aclplugin_show_command, static) = {
2572 .path = "show acl-plugin",
2573 .short_help = "show acl-plugin {sessions|acl|interface|tables}",
2574 .function = acl_show_aclplugin_fn,
2577 VLIB_CLI_COMMAND (aclplugin_show_macip_command, static) = {
2578 .path = "show acl-plugin macip",
2579 .short_help = "show acl-plugin macip {acl|interface}",
2580 .function = acl_show_aclplugin_macip_fn,
2584 VLIB_CLI_COMMAND (aclplugin_clear_command, static) = {
2585 .path = "clear acl-plugin sessions",
2586 .short_help = "clear acl-plugin sessions",
2587 .function = acl_clear_aclplugin_fn,
2591 static clib_error_t *
2592 acl_plugin_config (vlib_main_t * vm, unformat_input_t * input)
2594 acl_main_t *am = &acl_main;
2595 u32 conn_table_hash_buckets;
2596 u32 conn_table_hash_memory_size;
2597 u32 conn_table_max_entries;
2600 u32 hash_lookup_hash_buckets;
2601 u32 hash_lookup_hash_memory;
2603 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
2605 if (unformat (input, "connection hash buckets %d", &conn_table_hash_buckets))
2606 am->fa_conn_table_hash_num_buckets = conn_table_hash_buckets;
2607 else if (unformat (input, "connection hash memory %d",
2608 &conn_table_hash_memory_size))
2609 am->fa_conn_table_hash_memory_size = conn_table_hash_memory_size;
2610 else if (unformat (input, "connection count max %d",
2611 &conn_table_max_entries))
2612 am->fa_conn_table_max_entries = conn_table_max_entries;
2613 else if (unformat (input, "main heap size %d",
2615 am->acl_mheap_size = main_heap_size;
2616 else if (unformat (input, "hash lookup heap size %d",
2618 am->hash_lookup_mheap_size = hash_heap_size;
2619 else if (unformat (input, "hash lookup hash buckets %d",
2620 &hash_lookup_hash_buckets))
2621 am->hash_lookup_hash_buckets = hash_lookup_hash_buckets;
2622 else if (unformat (input, "hash lookup hash memory %d",
2623 &hash_lookup_hash_memory))
2624 am->hash_lookup_hash_memory = hash_lookup_hash_memory;
2626 return clib_error_return (0, "unknown input '%U'",
2627 format_unformat_error, input);
2631 VLIB_CONFIG_FUNCTION (acl_plugin_config, "acl-plugin");
2633 static clib_error_t *
2634 acl_init (vlib_main_t * vm)
2636 acl_main_t *am = &acl_main;
2637 clib_error_t *error = 0;
2638 memset (am, 0, sizeof (*am));
2640 am->vnet_main = vnet_get_main ();
2642 u8 *name = format (0, "acl_%08x%c", api_version, 0);
2644 /* Ask for a correctly-sized block of API message decode slots */
2645 am->msg_id_base = vl_msg_api_get_msg_ids ((char *) name,
2646 VL_MSG_FIRST_AVAILABLE);
2648 error = acl_plugin_api_hookup (vm);
2650 /* Add our API messages to the global name_crc hash table */
2651 setup_message_id_table (am, &api_main);
2655 acl_setup_fa_nodes();
2657 am->acl_mheap_size = ACL_FA_DEFAULT_HEAP_SIZE;
2658 am->hash_lookup_mheap_size = ACL_PLUGIN_HASH_LOOKUP_HEAP_SIZE;
2660 am->hash_lookup_hash_buckets = ACL_PLUGIN_HASH_LOOKUP_HASH_BUCKETS;
2661 am->hash_lookup_hash_memory = ACL_PLUGIN_HASH_LOOKUP_HASH_MEMORY;
2663 am->session_timeout_sec[ACL_TIMEOUT_TCP_TRANSIENT] = TCP_SESSION_TRANSIENT_TIMEOUT_SEC;
2664 am->session_timeout_sec[ACL_TIMEOUT_TCP_IDLE] = TCP_SESSION_IDLE_TIMEOUT_SEC;
2665 am->session_timeout_sec[ACL_TIMEOUT_UDP_IDLE] = UDP_SESSION_IDLE_TIMEOUT_SEC;
2667 am->fa_conn_table_hash_num_buckets = ACL_FA_CONN_TABLE_DEFAULT_HASH_NUM_BUCKETS;
2668 am->fa_conn_table_hash_memory_size = ACL_FA_CONN_TABLE_DEFAULT_HASH_MEMORY_SIZE;
2669 am->fa_conn_table_max_entries = ACL_FA_CONN_TABLE_DEFAULT_MAX_ENTRIES;
2670 vlib_thread_main_t *tm = vlib_get_thread_main ();
2671 vec_validate(am->per_worker_data, tm->n_vlib_mains-1);
2675 for (wk = 0; wk < vec_len (am->per_worker_data); wk++) {
2676 acl_fa_per_worker_data_t *pw = &am->per_worker_data[wk];
2677 vec_validate(pw->fa_conn_list_head, ACL_N_TIMEOUTS-1);
2678 vec_validate(pw->fa_conn_list_tail, ACL_N_TIMEOUTS-1);
2679 for(tt = 0; tt < ACL_N_TIMEOUTS; tt++) {
2680 pw->fa_conn_list_head[tt] = ~0;
2681 pw->fa_conn_list_tail[tt] = ~0;
2686 am->fa_min_deleted_sessions_per_interval = ACL_FA_DEFAULT_MIN_DELETED_SESSIONS_PER_INTERVAL;
2687 am->fa_max_deleted_sessions_per_interval = ACL_FA_DEFAULT_MAX_DELETED_SESSIONS_PER_INTERVAL;
2688 am->fa_cleaner_wait_time_increment = ACL_FA_DEFAULT_CLEANER_WAIT_TIME_INCREMENT;
2690 am->fa_cleaner_cnt_delete_by_sw_index = 0;
2691 am->fa_cleaner_cnt_delete_by_sw_index_ok = 0;
2692 am->fa_cleaner_cnt_unknown_event = 0;
2693 am->fa_cleaner_cnt_timer_restarted = 0;
2694 am->fa_cleaner_cnt_wait_with_timeout = 0;
2697 #define _(N, v, s) am->fa_ipv6_known_eh_bitmap = clib_bitmap_set(am->fa_ipv6_known_eh_bitmap, v, 1);
2701 am->l4_match_nonfirst_fragment = 1;
2703 /* use the new fancy hash-based matching */
2704 am->use_hash_acl_matching = 1;
2709 VLIB_INIT_FUNCTION (acl_init);