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/in_out_acl.h>
24 #include <vpp/app/version.h>
26 #include <vlibapi/api.h>
27 #include <vlibmemory/api.h>
29 /* define message IDs */
30 #include <acl/acl_msg_enum.h>
32 /* define message structures */
34 #include <acl/acl_all_api_h.h>
37 /* define generated endian-swappers */
39 #include <acl/acl_all_api_h.h>
42 /* instantiate all the print functions we know about */
43 #define vl_print(handle, ...) vlib_cli_output (handle, __VA_ARGS__)
45 #include <acl/acl_all_api_h.h>
48 /* Get the API version number */
49 #define vl_api_version(n,v) static u32 api_version=(v);
50 #include <acl/acl_all_api_h.h>
54 #include "public_inlines.h"
58 #define REPLY_MSG_ID_BASE am->msg_id_base
59 #include <vlibapi/api_helper_macros.h>
61 /* List of message types that this plugin understands */
63 #define foreach_acl_plugin_api_msg \
64 _(ACL_PLUGIN_GET_VERSION, acl_plugin_get_version) \
65 _(ACL_PLUGIN_CONTROL_PING, acl_plugin_control_ping) \
66 _(ACL_ADD_REPLACE, acl_add_replace) \
68 _(ACL_INTERFACE_ADD_DEL, acl_interface_add_del) \
69 _(ACL_INTERFACE_SET_ACL_LIST, acl_interface_set_acl_list) \
70 _(ACL_DUMP, acl_dump) \
71 _(ACL_INTERFACE_LIST_DUMP, acl_interface_list_dump) \
72 _(MACIP_ACL_ADD, macip_acl_add) \
73 _(MACIP_ACL_ADD_REPLACE, macip_acl_add_replace) \
74 _(MACIP_ACL_DEL, macip_acl_del) \
75 _(MACIP_ACL_INTERFACE_ADD_DEL, macip_acl_interface_add_del) \
76 _(MACIP_ACL_DUMP, macip_acl_dump) \
77 _(MACIP_ACL_INTERFACE_GET, macip_acl_interface_get) \
78 _(MACIP_ACL_INTERFACE_LIST_DUMP, macip_acl_interface_list_dump) \
79 _(ACL_INTERFACE_SET_ETYPE_WHITELIST, acl_interface_set_etype_whitelist) \
80 _(ACL_INTERFACE_ETYPE_WHITELIST_DUMP, acl_interface_etype_whitelist_dump)
84 VLIB_PLUGIN_REGISTER () = {
85 .version = VPP_BUILD_VER,
86 .description = "Access Control Lists",
92 format_vec16 (u8 * s, va_list * va)
94 u16 *v = va_arg (*va, u16 *);
95 char *fmt = va_arg (*va, char *);
97 for (i = 0; i < vec_len (v); i++)
100 s = format (s, ", ");
101 s = format (s, fmt, v[i]);
109 acl_plugin_acl_exists (u32 acl_index)
111 acl_main_t *am = &acl_main;
113 if (pool_is_free_index (am->acls, acl_index))
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);
145 am->acl_mheap = mheap_alloc (0 /* use VM */ , am->acl_mheap_size);
146 if (0 == am->acl_mheap)
149 ("ACL plugin failed to allocate main heap of %U bytes, abort",
150 format_memory_size, am->acl_mheap_size);
152 mheap_t *h = mheap_header (am->acl_mheap);
153 h->flags |= MHEAP_FLAG_THREAD_SAFE;
155 void *oldheap = clib_mem_set_heap (am->acl_mheap);
160 acl_plugin_set_heap ()
162 acl_main_t *am = &acl_main;
163 return acl_set_heap (am);
167 acl_plugin_acl_set_validate_heap (acl_main_t * am, int on)
169 clib_mem_set_heap (acl_set_heap (am));
170 mheap_t *h = mheap_header (am->acl_mheap);
173 h->flags |= MHEAP_FLAG_VALIDATE;
174 h->flags &= ~MHEAP_FLAG_SMALL_OBJECT_CACHE;
179 h->flags &= ~MHEAP_FLAG_VALIDATE;
180 h->flags |= MHEAP_FLAG_SMALL_OBJECT_CACHE;
185 acl_plugin_acl_set_trace_heap (acl_main_t * am, int on)
187 clib_mem_set_heap (acl_set_heap (am));
188 mheap_t *h = mheap_header (am->acl_mheap);
191 h->flags |= MHEAP_FLAG_TRACE;
195 h->flags &= ~MHEAP_FLAG_TRACE;
200 vl_api_acl_plugin_get_version_t_handler (vl_api_acl_plugin_get_version_t * mp)
202 acl_main_t *am = &acl_main;
203 vl_api_acl_plugin_get_version_reply_t *rmp;
204 int msg_size = sizeof (*rmp);
205 vl_api_registration_t *reg;
207 reg = vl_api_client_index_to_registration (mp->client_index);
211 rmp = vl_msg_api_alloc (msg_size);
212 memset (rmp, 0, msg_size);
214 ntohs (VL_API_ACL_PLUGIN_GET_VERSION_REPLY + am->msg_id_base);
215 rmp->context = mp->context;
216 rmp->major = htonl (ACL_PLUGIN_VERSION_MAJOR);
217 rmp->minor = htonl (ACL_PLUGIN_VERSION_MINOR);
219 vl_api_send_msg (reg, (u8 *) rmp);
223 vl_api_acl_plugin_control_ping_t_handler (vl_api_acl_plugin_control_ping_t *
226 vl_api_acl_plugin_control_ping_reply_t *rmp;
227 acl_main_t *am = &acl_main;
231 REPLY_MACRO2 (VL_API_ACL_PLUGIN_CONTROL_PING_REPLY,
233 rmp->vpe_pid = ntohl (getpid ());
239 print_clib_warning_and_reset (vlib_main_t * vm, u8 * out0)
241 clib_warning ("%v", out0);
242 vec_reset_length (out0);
246 print_cli_and_reset (vlib_main_t * vm, u8 * out0)
248 vlib_cli_output (vm, "%v", out0);
249 vec_reset_length (out0);
252 typedef void (*acl_vector_print_func_t) (vlib_main_t * vm, u8 * out0);
255 acl_print_acl_x (acl_vector_print_func_t vpr, vlib_main_t * vm,
256 acl_main_t * am, int acl_index)
259 u8 *out0 = format (0, "acl-index %u count %u tag {%s}\n", acl_index,
260 am->acls[acl_index].count, am->acls[acl_index].tag);
263 for (j = 0; j < am->acls[acl_index].count; j++)
265 r = &am->acls[acl_index].rules[j];
266 out0 = format (out0, " %4d: %s ", j, r->is_ipv6 ? "ipv6" : "ipv4");
267 out0 = format_acl_action (out0, r->is_permit);
268 out0 = format (out0, " src %U/%d", format_ip46_address, &r->src,
269 r->is_ipv6 ? IP46_TYPE_IP6 : IP46_TYPE_IP4,
272 format (out0, " dst %U/%d", format_ip46_address, &r->dst,
273 r->is_ipv6 ? IP46_TYPE_IP6 : IP46_TYPE_IP4, r->dst_prefixlen);
274 out0 = format (out0, " proto %d", r->proto);
275 out0 = format (out0, " sport %d", r->src_port_or_type_first);
276 if (r->src_port_or_type_first != r->src_port_or_type_last)
278 out0 = format (out0, "-%d", r->src_port_or_type_last);
280 out0 = format (out0, " dport %d", r->dst_port_or_code_first);
281 if (r->dst_port_or_code_first != r->dst_port_or_code_last)
283 out0 = format (out0, "-%d", r->dst_port_or_code_last);
285 if (r->tcp_flags_mask || r->tcp_flags_value)
288 format (out0, " tcpflags %d mask %d", r->tcp_flags_value,
291 out0 = format (out0, "\n");
297 acl_print_acl (vlib_main_t * vm, acl_main_t * am, int acl_index)
299 acl_print_acl_x (print_cli_and_reset, vm, am, acl_index);
303 warning_acl_print_acl (vlib_main_t * vm, acl_main_t * am, int acl_index)
305 acl_print_acl_x (print_clib_warning_and_reset, vm, am, acl_index);
310 acl_add_list (u32 count, vl_api_acl_rule_t rules[],
311 u32 * acl_list_index, u8 * tag)
313 acl_main_t *am = &acl_main;
316 acl_rule_t *acl_new_rules = 0;
319 if (am->trace_acl > 255)
320 clib_warning ("API dbg: acl_add_list index %d tag %s", *acl_list_index,
323 if (*acl_list_index != ~0)
325 /* They supplied some number, let's see if this ACL exists */
326 if (pool_is_free_index (am->acls, *acl_list_index))
328 /* tried to replace a non-existent ACL, no point doing anything */
330 ("acl-plugin-error: Trying to replace nonexistent ACL %d (tag %s)",
331 *acl_list_index, tag);
332 return VNET_API_ERROR_NO_SUCH_ENTRY;
338 ("acl-plugin-warning: supplied no rules for ACL %d (tag %s)",
339 *acl_list_index, tag);
342 void *oldheap = acl_set_heap (am);
344 /* Create and populate the rules */
346 vec_validate (acl_new_rules, count - 1);
348 for (i = 0; i < count; i++)
350 r = vec_elt_at_index (acl_new_rules, i);
351 memset (r, 0, sizeof (*r));
352 r->is_permit = rules[i].is_permit;
353 r->is_ipv6 = rules[i].is_ipv6;
356 memcpy (&r->src, rules[i].src_ip_addr, sizeof (r->src));
357 memcpy (&r->dst, rules[i].dst_ip_addr, sizeof (r->dst));
361 memcpy (&r->src.ip4, rules[i].src_ip_addr, sizeof (r->src.ip4));
362 memcpy (&r->dst.ip4, rules[i].dst_ip_addr, sizeof (r->dst.ip4));
364 r->src_prefixlen = rules[i].src_ip_prefix_len;
365 r->dst_prefixlen = rules[i].dst_ip_prefix_len;
366 r->proto = rules[i].proto;
367 r->src_port_or_type_first = ntohs (rules[i].srcport_or_icmptype_first);
368 r->src_port_or_type_last = ntohs (rules[i].srcport_or_icmptype_last);
369 r->dst_port_or_code_first = ntohs (rules[i].dstport_or_icmpcode_first);
370 r->dst_port_or_code_last = ntohs (rules[i].dstport_or_icmpcode_last);
371 r->tcp_flags_value = rules[i].tcp_flags_value;
372 r->tcp_flags_mask = rules[i].tcp_flags_mask;
375 if (~0 == *acl_list_index)
378 pool_get_aligned (am->acls, a, CLIB_CACHE_LINE_BYTES);
379 memset (a, 0, sizeof (*a));
380 /* Will return the newly allocated ACL index */
381 *acl_list_index = a - am->acls;
385 a = am->acls + *acl_list_index;
386 /* Get rid of the old rules */
390 a->rules = acl_new_rules;
392 memcpy (a->tag, tag, sizeof (a->tag));
393 if (am->trace_acl > 255)
394 warning_acl_print_acl (am->vlib_main, am, *acl_list_index);
395 /* notify the lookup contexts about the ACL changes */
396 acl_plugin_lookup_context_notify_acl_change (*acl_list_index);
397 clib_mem_set_heap (oldheap);
402 acl_is_used_by (u32 acl_index, u32 ** foo_index_vec_by_acl)
404 if (acl_index < vec_len (foo_index_vec_by_acl))
406 if (vec_len (vec_elt (foo_index_vec_by_acl, acl_index)) > 0)
408 /* ACL is applied somewhere. */
416 acl_del_list (u32 acl_list_index)
418 acl_main_t *am = &acl_main;
420 if (pool_is_free_index (am->acls, acl_list_index))
422 return VNET_API_ERROR_NO_SUCH_ENTRY;
424 if (acl_is_used_by (acl_list_index, am->input_sw_if_index_vec_by_acl))
425 return VNET_API_ERROR_ACL_IN_USE_INBOUND;
426 if (acl_is_used_by (acl_list_index, am->output_sw_if_index_vec_by_acl))
427 return VNET_API_ERROR_ACL_IN_USE_OUTBOUND;
428 /* lookup contexts cover other cases, not just inbound/oubound, so check that */
429 if (acl_is_used_by (acl_list_index, am->lc_index_vec_by_acl))
430 return VNET_API_ERROR_ACL_IN_USE_BY_LOOKUP_CONTEXT;
432 void *oldheap = acl_set_heap (am);
434 /* now we can delete the ACL itself */
435 a = pool_elt_at_index (am->acls, acl_list_index);
438 pool_put (am->acls, a);
439 /* acl_list_index is now free, notify the lookup contexts */
440 acl_plugin_lookup_context_notify_acl_change (acl_list_index);
441 clib_mem_set_heap (oldheap);
445 /* Some aids in ASCII graphing the content */
452 u8 ip4_5tuple_mask[] =
453 _(" dmac smac etype ")
454 _(ether) __ __ __ __ __ __ v __ __ __ __ __ __ v __ __ v
461 _(" ttl pr checksum ")
470 _("L4 T/U sport dport ")
480 u8 ip6_5tuple_mask[] =
481 _(" dmac smac etype ")
482 _(ether) __ __ __ __ __ __ v __ __ __ __ __ __ v __ __ v
484 _(0x0000) __ __ __ __
486 _(0x0004) __ __ XX __
488 _(0x0008) XX XX XX XX
489 _(0x000C) XX XX XX XX
490 _(0x0010) XX XX XX XX
491 _(0x0014) XX XX XX XX
493 _(0x0018) XX XX XX XX
494 _(0x001C) XX XX XX XX
495 _(0x0020) XX XX XX XX
496 _(0x0024) XX XX XX XX
497 _("L4T/U sport dport ")
498 _(tcpudp) XX XX XX XX _(padpad) __ __ __ __ _(padeth) __ __;
500 u8 dot1q_5tuple_mask[] =
501 _(" dmac smac dot1q etype ")
502 _(ether) __ __ __ __ __ __ v __ __ __ __ __ __ v XX XX __ __ v XX XX v
503 _(padpad) __ __ __ __
504 _(padpad) __ __ __ __
505 _(padpad) __ __ __ __
508 u8 dot1ad_5tuple_mask[] =
509 _(" dmac smac dot1ad dot1q etype ")
510 _(ether) __ __ __ __ __ __ v __ __ __ __ __ __ v XX XX __ __ XX XX __ __ v XX XX v
511 _(padpad) __ __ __ __
512 _(padpad) __ __ __ __
515 u8 ethertype_mask[] =
516 _(" dmac smac etype ")
517 _(ether) __ __ __ __ __ __ v __ __ __ __ __ __ v XX XX __ __;
526 count_skip (u8 * p, u32 size)
528 u64 *p64 = (u64 *) p;
529 /* Be tolerant to null pointer */
533 while ((0ULL == *p64) && ((u8 *) p64 - p) < size)
537 return (p64 - (u64 *) p) / 2;
541 acl_classify_add_del_table_tiny (vnet_classify_main_t * cm, u8 * mask,
542 u32 mask_len, u32 next_table_index,
543 u32 miss_next_index, u32 * table_index,
547 u32 memory_size = 2 << 13;
548 u32 skip = count_skip (mask, mask_len);
549 u32 match = (mask_len / 16) - skip;
550 u8 *skip_mask_ptr = mask + 16 * skip;
551 u32 current_data_flag = 0;
552 int current_data_offset = 0;
556 void *oldheap = clib_mem_set_heap (cm->vlib_main->heap_base);
557 int ret = vnet_classify_add_del_table (cm, skip_mask_ptr, nbuckets,
558 memory_size, skip, match,
559 next_table_index, miss_next_index,
560 table_index, current_data_flag,
561 current_data_offset, is_add,
562 1 /* delete_chain */ );
563 clib_mem_set_heap (oldheap);
568 acl_classify_add_del_table_small (vnet_classify_main_t * cm, u8 * mask,
569 u32 mask_len, u32 next_table_index,
570 u32 miss_next_index, u32 * table_index,
574 u32 memory_size = 2 << 22;
575 u32 skip = count_skip (mask, mask_len);
576 u32 match = (mask_len / 16) - skip;
577 u8 *skip_mask_ptr = mask + 16 * skip;
578 u32 current_data_flag = 0;
579 int current_data_offset = 0;
584 void *oldheap = clib_mem_set_heap (cm->vlib_main->heap_base);
585 int ret = vnet_classify_add_del_table (cm, skip_mask_ptr, nbuckets,
586 memory_size, skip, match,
587 next_table_index, miss_next_index,
588 table_index, current_data_flag,
589 current_data_offset, is_add,
590 1 /* delete_chain */ );
591 clib_mem_set_heap (oldheap);
596 acl_unhook_l2_input_classify (acl_main_t * am, u32 sw_if_index)
598 vnet_classify_main_t *cm = &vnet_classify_main;
599 u32 ip4_table_index = ~0;
600 u32 ip6_table_index = ~0;
601 u32 dot1q_table_index = ~0;
602 u32 dot1ad_table_index = ~0;
603 u32 etype_table_index = ~0;
604 void *oldheap = acl_set_heap (am);
606 vec_validate_init_empty (am->acl_ip4_input_classify_table_by_sw_if_index,
608 vec_validate_init_empty (am->acl_ip6_input_classify_table_by_sw_if_index,
610 vec_validate_init_empty (am->acl_dot1q_input_classify_table_by_sw_if_index,
612 vec_validate_init_empty (am->acl_dot1ad_input_classify_table_by_sw_if_index,
614 vec_validate_init_empty (am->acl_etype_input_classify_table_by_sw_if_index,
617 /* switch to global heap while calling vnet_* functions */
618 clib_mem_set_heap (cm->vlib_main->heap_base);
619 vnet_l2_input_classify_enable_disable (sw_if_index, 0);
621 if (am->acl_ip4_input_classify_table_by_sw_if_index[sw_if_index] != ~0)
624 am->acl_ip4_input_classify_table_by_sw_if_index[sw_if_index];
625 am->acl_ip4_input_classify_table_by_sw_if_index[sw_if_index] = ~0;
626 acl_classify_add_del_table_tiny (cm, ip4_5tuple_mask,
627 sizeof (ip4_5tuple_mask) - 1, ~0,
628 am->l2_input_classify_next_acl_ip4,
629 &ip4_table_index, 0);
631 if (am->acl_ip6_input_classify_table_by_sw_if_index[sw_if_index] != ~0)
634 am->acl_ip6_input_classify_table_by_sw_if_index[sw_if_index];
635 am->acl_ip6_input_classify_table_by_sw_if_index[sw_if_index] = ~0;
636 acl_classify_add_del_table_tiny (cm, ip6_5tuple_mask,
637 sizeof (ip6_5tuple_mask) - 1, ~0,
638 am->l2_input_classify_next_acl_ip6,
639 &ip6_table_index, 0);
641 if (am->acl_dot1q_input_classify_table_by_sw_if_index[sw_if_index] != ~0)
644 am->acl_dot1q_input_classify_table_by_sw_if_index[sw_if_index];
645 am->acl_dot1q_input_classify_table_by_sw_if_index[sw_if_index] = ~0;
646 acl_classify_add_del_table_tiny (cm, ip6_5tuple_mask,
647 sizeof (ip6_5tuple_mask) - 1, ~0,
648 ~0, &dot1q_table_index, 0);
650 if (am->acl_dot1ad_input_classify_table_by_sw_if_index[sw_if_index] != ~0)
653 am->acl_dot1ad_input_classify_table_by_sw_if_index[sw_if_index];
654 am->acl_dot1ad_input_classify_table_by_sw_if_index[sw_if_index] = ~0;
655 acl_classify_add_del_table_tiny (cm, dot1ad_5tuple_mask,
656 sizeof (dot1ad_5tuple_mask) - 1, ~0,
657 ~0, &dot1ad_table_index, 0);
659 if (am->acl_etype_input_classify_table_by_sw_if_index[sw_if_index] != ~0)
662 am->acl_etype_input_classify_table_by_sw_if_index[sw_if_index];
663 am->acl_etype_input_classify_table_by_sw_if_index[sw_if_index] = ~0;
664 acl_classify_add_del_table_tiny (cm, ethertype_mask,
665 sizeof (ethertype_mask) - 1, ~0,
666 ~0, &etype_table_index, 0);
668 clib_mem_set_heap (oldheap);
673 acl_unhook_l2_output_classify (acl_main_t * am, u32 sw_if_index)
675 vnet_classify_main_t *cm = &vnet_classify_main;
676 u32 ip4_table_index = ~0;
677 u32 ip6_table_index = ~0;
678 u32 dot1q_table_index = ~0;
679 u32 dot1ad_table_index = ~0;
680 u32 etype_table_index = ~0;
681 void *oldheap = acl_set_heap (am);
683 vec_validate_init_empty (am->acl_ip4_output_classify_table_by_sw_if_index,
685 vec_validate_init_empty (am->acl_ip6_output_classify_table_by_sw_if_index,
687 vec_validate_init_empty (am->acl_dot1q_output_classify_table_by_sw_if_index,
689 vec_validate_init_empty
690 (am->acl_dot1ad_output_classify_table_by_sw_if_index, sw_if_index, ~0);
691 vec_validate_init_empty (am->acl_etype_output_classify_table_by_sw_if_index,
694 /* switch to global heap while calling vnet_* functions */
695 clib_mem_set_heap (cm->vlib_main->heap_base);
697 vnet_l2_output_classify_enable_disable (sw_if_index, 0);
699 if (am->acl_ip4_output_classify_table_by_sw_if_index[sw_if_index] != ~0)
702 am->acl_ip4_output_classify_table_by_sw_if_index[sw_if_index];
703 am->acl_ip4_output_classify_table_by_sw_if_index[sw_if_index] = ~0;
704 acl_classify_add_del_table_tiny (cm, ip4_5tuple_mask,
705 sizeof (ip4_5tuple_mask) - 1, ~0,
706 am->l2_output_classify_next_acl_ip4,
707 &ip4_table_index, 0);
709 if (am->acl_ip6_output_classify_table_by_sw_if_index[sw_if_index] != ~0)
712 am->acl_ip6_output_classify_table_by_sw_if_index[sw_if_index];
713 am->acl_ip6_output_classify_table_by_sw_if_index[sw_if_index] = ~0;
714 acl_classify_add_del_table_tiny (cm, ip6_5tuple_mask,
715 sizeof (ip6_5tuple_mask) - 1, ~0,
716 am->l2_output_classify_next_acl_ip6,
717 &ip6_table_index, 0);
719 if (am->acl_dot1q_output_classify_table_by_sw_if_index[sw_if_index] != ~0)
722 am->acl_dot1q_output_classify_table_by_sw_if_index[sw_if_index];
723 am->acl_dot1q_output_classify_table_by_sw_if_index[sw_if_index] = ~0;
724 acl_classify_add_del_table_tiny (cm, ip6_5tuple_mask,
725 sizeof (ip6_5tuple_mask) - 1, ~0,
726 ~0, &dot1q_table_index, 0);
728 if (am->acl_dot1ad_output_classify_table_by_sw_if_index[sw_if_index] != ~0)
731 am->acl_dot1ad_output_classify_table_by_sw_if_index[sw_if_index];
732 am->acl_dot1ad_output_classify_table_by_sw_if_index[sw_if_index] = ~0;
733 acl_classify_add_del_table_tiny (cm, dot1ad_5tuple_mask,
734 sizeof (dot1ad_5tuple_mask) - 1, ~0,
735 ~0, &dot1ad_table_index, 0);
737 if (am->acl_etype_output_classify_table_by_sw_if_index[sw_if_index] != ~0)
740 am->acl_etype_output_classify_table_by_sw_if_index[sw_if_index];
741 am->acl_etype_output_classify_table_by_sw_if_index[sw_if_index] = ~0;
742 acl_classify_add_del_table_tiny (cm, ethertype_mask,
743 sizeof (ethertype_mask) - 1, ~0,
744 ~0, &etype_table_index, 0);
746 clib_mem_set_heap (oldheap);
751 acl_add_vlan_session (acl_main_t * am, u32 table_index, u8 is_output,
752 u8 is_dot1ad, u8 is_ip6)
754 vnet_classify_main_t *cm = &vnet_classify_main;
764 l2_output_classify_next_acl_ip6 : am->l2_input_classify_next_acl_ip6;
770 l2_output_classify_next_acl_ip4 : am->l2_input_classify_next_acl_ip4;
772 match = (is_dot1ad) ? dot1ad_5tuple_mask : dot1q_5tuple_mask;
773 idx = (is_dot1ad) ? 20 : 16;
776 /* 802.1ad ethertype */
779 /* 802.1q ethertype */
785 /* 802.1q ethertype */
790 /* add sessions to vlan tables per ethernet_type */
794 match[idx + 1] = 0xdd;
800 match[idx + 1] = 0x00;
803 vnet_classify_add_del_session (cm, table_index, match, next_acl,
804 session_idx, 0, 0, 0, 1);
805 /* reset the mask back to being a mask */
807 match[idx + 1] = 0xff;
818 intf_has_etype_whitelist (acl_main_t * am, u32 sw_if_index, int is_input)
821 ? am->input_etype_whitelist_by_sw_if_index
822 : am->output_etype_whitelist_by_sw_if_index;
823 return ((vec_len (v) > sw_if_index) && vec_elt (v, sw_if_index));
827 etype_whitelist_add_sessions (acl_main_t * am, u32 sw_if_index, int is_input,
828 u32 etype_table_index)
830 vnet_classify_main_t *cm = &vnet_classify_main;
832 ? am->input_etype_whitelist_by_sw_if_index
833 : am->output_etype_whitelist_by_sw_if_index;
834 u8 *match = ethertype_mask;
838 u16 *whitelist = vec_elt (v, sw_if_index);
839 u32 next = ~0; /* permit */
840 for (i = 0; i < vec_len (whitelist); i++)
843 match[12] = (whitelist[i] >> 8) & 0xff;
844 match[13] = whitelist[i] & 0xff;
846 || vnet_classify_add_del_session (cm, etype_table_index, match, next,
847 whitelist[i], 0, 0, 0, 1);
850 /* restore the mask */
857 acl_hook_l2_input_classify (acl_main_t * am, u32 sw_if_index)
859 vnet_classify_main_t *cm = &vnet_classify_main;
860 u32 ip4_table_index = ~0;
861 u32 ip6_table_index = ~0;
862 u32 dot1q_table_index = ~0;
863 u32 dot1ad_table_index = ~0;
864 u32 etype_table_index = ~0;
867 void *prevheap = clib_mem_set_heap (cm->vlib_main->heap_base);
869 /* in case there were previous tables attached */
870 acl_unhook_l2_input_classify (am, sw_if_index);
872 acl_classify_add_del_table_tiny (cm, ip4_5tuple_mask,
873 sizeof (ip4_5tuple_mask) - 1, ~0,
874 am->l2_input_classify_next_acl_ip4,
875 &ip4_table_index, 1);
880 acl_classify_add_del_table_tiny (cm, ip6_5tuple_mask,
881 sizeof (ip6_5tuple_mask) - 1, ~0,
882 am->l2_input_classify_next_acl_ip6,
883 &ip6_table_index, 1);
886 acl_classify_add_del_table_tiny (cm, ip4_5tuple_mask,
887 sizeof (ip4_5tuple_mask) - 1, ~0,
888 am->l2_input_classify_next_acl_ip4,
889 &ip4_table_index, 0);
893 if (intf_has_etype_whitelist (am, sw_if_index, 1))
895 acl_classify_add_del_table_tiny (cm, ethertype_mask, sizeof (ethertype_mask) - 1, ~0, 0, /* drop if no match */
896 &etype_table_index, 1);
897 etype_whitelist_add_sessions (am, sw_if_index, 1, etype_table_index);
901 acl_classify_add_del_table_tiny (cm, dot1ad_5tuple_mask,
902 sizeof (dot1ad_5tuple_mask) - 1,
903 etype_table_index, ~0,
904 &dot1ad_table_index, 1);
906 acl_classify_add_del_table_tiny (cm, dot1q_5tuple_mask,
907 sizeof (dot1q_5tuple_mask) - 1,
908 dot1ad_table_index, ~0,
909 &dot1q_table_index, 1);
912 acl_classify_add_del_table_tiny (cm, dot1ad_5tuple_mask,
913 sizeof (dot1ad_5tuple_mask) - 1, ~0,
914 ~0, &dot1ad_table_index, 0);
915 acl_classify_add_del_table_tiny (cm, ip6_5tuple_mask,
916 sizeof (ip6_5tuple_mask) - 1, ~0,
917 am->l2_input_classify_next_acl_ip6,
918 &ip6_table_index, 0);
919 acl_classify_add_del_table_tiny (cm, ip4_5tuple_mask,
920 sizeof (ip4_5tuple_mask) - 1, ~0,
921 am->l2_input_classify_next_acl_ip4,
922 &ip4_table_index, 0);
927 vnet_l2_input_classify_set_tables (sw_if_index, ip4_table_index,
928 ip6_table_index, dot1q_table_index);
932 acl_classify_add_del_table_tiny (cm, ip4_5tuple_mask,
933 sizeof (ip4_5tuple_mask) - 1, ~0,
934 am->l2_input_classify_next_acl_ip4,
935 &ip4_table_index, 0);
936 acl_classify_add_del_table_tiny (cm, ip6_5tuple_mask,
937 sizeof (ip6_5tuple_mask) - 1, ~0,
938 am->l2_input_classify_next_acl_ip6,
939 &ip6_table_index, 0);
940 acl_classify_add_del_table_tiny (cm, dot1q_5tuple_mask,
941 sizeof (dot1q_5tuple_mask) - 1, ~0,
942 ~0, &dot1q_table_index, 0);
943 acl_classify_add_del_table_tiny (cm, dot1ad_5tuple_mask,
944 sizeof (dot1ad_5tuple_mask) - 1, ~0,
945 ~0, &dot1ad_table_index, 0);
949 /* add sessions to vlan tables per ethernet_type */
950 acl_add_vlan_session (am, dot1q_table_index, 0, 0, 0);
951 acl_add_vlan_session (am, dot1q_table_index, 0, 0, 1);
952 acl_add_vlan_session (am, dot1ad_table_index, 0, 1, 0);
953 acl_add_vlan_session (am, dot1ad_table_index, 0, 1, 1);
955 am->acl_ip4_input_classify_table_by_sw_if_index[sw_if_index] =
957 am->acl_ip6_input_classify_table_by_sw_if_index[sw_if_index] =
959 am->acl_dot1q_input_classify_table_by_sw_if_index[sw_if_index] =
961 am->acl_dot1ad_input_classify_table_by_sw_if_index[sw_if_index] =
963 am->acl_dot1ad_input_classify_table_by_sw_if_index[sw_if_index] =
965 am->acl_etype_input_classify_table_by_sw_if_index[sw_if_index] =
968 vnet_l2_input_classify_enable_disable (sw_if_index, 1);
970 clib_mem_set_heap (prevheap);
975 acl_hook_l2_output_classify (acl_main_t * am, u32 sw_if_index)
977 vnet_classify_main_t *cm = &vnet_classify_main;
978 u32 ip4_table_index = ~0;
979 u32 ip6_table_index = ~0;
980 u32 dot1q_table_index = ~0;
981 u32 dot1ad_table_index = ~0;
982 u32 etype_table_index = ~0;
985 void *prevheap = clib_mem_set_heap (cm->vlib_main->heap_base);
987 /* in case there were previous tables attached */
988 acl_unhook_l2_output_classify (am, sw_if_index);
990 acl_classify_add_del_table_tiny (cm, ip4_5tuple_mask,
991 sizeof (ip4_5tuple_mask) - 1, ~0,
992 am->l2_output_classify_next_acl_ip4,
993 &ip4_table_index, 1);
997 acl_classify_add_del_table_tiny (cm, ip6_5tuple_mask,
998 sizeof (ip6_5tuple_mask) - 1, ~0,
999 am->l2_output_classify_next_acl_ip6,
1000 &ip6_table_index, 1);
1003 acl_classify_add_del_table_tiny (cm, ip4_5tuple_mask,
1004 sizeof (ip4_5tuple_mask) - 1, ~0,
1005 am->l2_output_classify_next_acl_ip4,
1006 &ip4_table_index, 0);
1010 if (intf_has_etype_whitelist (am, sw_if_index, 0))
1012 acl_classify_add_del_table_tiny (cm, ethertype_mask, sizeof (ethertype_mask) - 1, ~0, 0, /* drop if no match */
1013 &etype_table_index, 1);
1014 etype_whitelist_add_sessions (am, sw_if_index, 0, etype_table_index);
1019 acl_classify_add_del_table_tiny (cm, dot1ad_5tuple_mask,
1020 sizeof (dot1ad_5tuple_mask) - 1,
1021 etype_table_index, ~0,
1022 &dot1ad_table_index, 1);
1024 acl_classify_add_del_table_tiny (cm, dot1q_5tuple_mask,
1025 sizeof (dot1q_5tuple_mask) - 1,
1026 dot1ad_table_index, ~0,
1027 &dot1q_table_index, 1);
1030 acl_classify_add_del_table_tiny (cm, dot1ad_5tuple_mask,
1031 sizeof (dot1ad_5tuple_mask) - 1, ~0,
1032 ~0, &dot1ad_table_index, 0);
1033 acl_classify_add_del_table_tiny (cm, ip6_5tuple_mask,
1034 sizeof (ip6_5tuple_mask) - 1, ~0,
1035 am->l2_output_classify_next_acl_ip6,
1036 &ip6_table_index, 0);
1037 acl_classify_add_del_table_tiny (cm, ip4_5tuple_mask,
1038 sizeof (ip4_5tuple_mask) - 1, ~0,
1039 am->l2_output_classify_next_acl_ip4,
1040 &ip4_table_index, 0);
1045 vnet_l2_output_classify_set_tables (sw_if_index, ip4_table_index,
1046 ip6_table_index, dot1q_table_index);
1049 ("ACL enabling on interface sw_if_index %d, setting tables to the following: ip4: %d ip6: %d\n",
1050 sw_if_index, ip4_table_index, ip6_table_index);
1054 acl_classify_add_del_table_tiny (cm, ip6_5tuple_mask,
1055 sizeof (ip6_5tuple_mask) - 1, ~0,
1056 am->l2_output_classify_next_acl_ip6,
1057 &ip6_table_index, 0);
1058 acl_classify_add_del_table_tiny (cm, ip4_5tuple_mask,
1059 sizeof (ip4_5tuple_mask) - 1, ~0,
1060 am->l2_output_classify_next_acl_ip4,
1061 &ip4_table_index, 0);
1062 acl_classify_add_del_table_tiny (cm, dot1q_5tuple_mask,
1063 sizeof (dot1q_5tuple_mask) - 1, ~0,
1064 ~0, &dot1q_table_index, 0);
1065 acl_classify_add_del_table_tiny (cm, dot1ad_5tuple_mask,
1066 sizeof (dot1ad_5tuple_mask) - 1, ~0,
1067 ~0, &dot1ad_table_index, 0);
1071 /* add sessions to vlan tables per ethernet_type */
1072 acl_add_vlan_session (am, dot1q_table_index, 1, 0, 0);
1073 acl_add_vlan_session (am, dot1q_table_index, 1, 0, 1);
1074 acl_add_vlan_session (am, dot1ad_table_index, 1, 1, 0);
1075 acl_add_vlan_session (am, dot1ad_table_index, 1, 1, 1);
1077 am->acl_ip4_output_classify_table_by_sw_if_index[sw_if_index] =
1079 am->acl_ip6_output_classify_table_by_sw_if_index[sw_if_index] =
1081 am->acl_dot1q_output_classify_table_by_sw_if_index[sw_if_index] =
1083 am->acl_dot1ad_output_classify_table_by_sw_if_index[sw_if_index] =
1085 am->acl_etype_output_classify_table_by_sw_if_index[sw_if_index] =
1088 vnet_l2_output_classify_enable_disable (sw_if_index, 1);
1090 clib_mem_set_heap (prevheap);
1095 acl_clear_sessions (acl_main_t * am, u32 sw_if_index)
1097 void *oldheap = clib_mem_set_heap (am->vlib_main->heap_base);
1098 vlib_process_signal_event (am->vlib_main, am->fa_cleaner_node_index,
1099 ACL_FA_CLEANER_DELETE_BY_SW_IF_INDEX,
1101 clib_mem_set_heap (oldheap);
1106 acl_interface_in_enable_disable (acl_main_t * am, u32 sw_if_index,
1111 /* Utterly wrong? */
1112 if (pool_is_free_index (am->vnet_main->interface_main.sw_interfaces,
1114 return VNET_API_ERROR_INVALID_SW_IF_INDEX;
1116 if (clib_bitmap_get (am->in_acl_on_sw_if_index, sw_if_index) ==
1120 acl_fa_enable_disable (sw_if_index, 1, enable_disable);
1124 rv = acl_hook_l2_input_classify (am, sw_if_index);
1128 rv = acl_unhook_l2_input_classify (am, sw_if_index);
1131 am->in_acl_on_sw_if_index =
1132 clib_bitmap_set (am->in_acl_on_sw_if_index, sw_if_index, enable_disable);
1138 acl_interface_out_enable_disable (acl_main_t * am, u32 sw_if_index,
1143 /* Utterly wrong? */
1144 if (pool_is_free_index (am->vnet_main->interface_main.sw_interfaces,
1146 return VNET_API_ERROR_INVALID_SW_IF_INDEX;
1148 if (clib_bitmap_get (am->out_acl_on_sw_if_index, sw_if_index) ==
1152 acl_fa_enable_disable (sw_if_index, 0, enable_disable);
1156 rv = acl_hook_l2_output_classify (am, sw_if_index);
1160 rv = acl_unhook_l2_output_classify (am, sw_if_index);
1163 am->out_acl_on_sw_if_index =
1164 clib_bitmap_set (am->out_acl_on_sw_if_index, sw_if_index, enable_disable);
1170 acl_interface_inout_enable_disable (acl_main_t * am, u32 sw_if_index,
1171 int is_input, int enable_disable)
1174 return acl_interface_in_enable_disable (am, sw_if_index, enable_disable);
1176 return acl_interface_out_enable_disable (am, sw_if_index, enable_disable);
1180 acl_is_not_defined (acl_main_t * am, u32 acl_list_index)
1182 return (pool_is_free_index (am->acls, acl_list_index));
1186 acl_interface_set_inout_acl_list (acl_main_t * am, u32 sw_if_index,
1187 u8 is_input, u32 * vec_acl_list_index,
1188 int *may_clear_sessions)
1191 uword *seen_acl_bitmap = 0;
1192 uword *old_seen_acl_bitmap = 0;
1193 uword *change_acl_bitmap = 0;
1198 if (am->trace_acl > 255)
1200 ("API dbg: acl_interface_set_inout_acl_list: sw_if_index %d is_input %d acl_vec: [%U]",
1201 sw_if_index, is_input, format_vec32, vec_acl_list_index, "%d");
1203 vec_foreach (pacln, vec_acl_list_index)
1205 if (acl_is_not_defined (am, *pacln))
1207 /* ACL is not defined. Can not apply */
1208 clib_warning ("ERROR: ACL %d not defined", *pacln);
1209 rv = VNET_API_ERROR_NO_SUCH_ENTRY;
1212 if (clib_bitmap_get (seen_acl_bitmap, *pacln))
1214 /* ACL being applied twice within the list. error. */
1215 clib_warning ("ERROR: ACL %d being applied twice", *pacln);
1216 rv = VNET_API_ERROR_ENTRY_ALREADY_EXISTS;
1219 seen_acl_bitmap = clib_bitmap_set (seen_acl_bitmap, *pacln, 1);
1223 u32 **pinout_lc_index_by_sw_if_index =
1225 input_lc_index_by_sw_if_index : &am->output_lc_index_by_sw_if_index;
1227 u32 ***pinout_acl_vec_by_sw_if_index =
1229 input_acl_vec_by_sw_if_index : &am->output_acl_vec_by_sw_if_index;
1231 u32 ***pinout_sw_if_index_vec_by_acl =
1233 input_sw_if_index_vec_by_acl : &am->output_sw_if_index_vec_by_acl;
1235 vec_validate ((*pinout_acl_vec_by_sw_if_index), sw_if_index);
1237 clib_bitmap_validate (old_seen_acl_bitmap, 1);
1239 vec_foreach (pacln, (*pinout_acl_vec_by_sw_if_index)[sw_if_index])
1241 old_seen_acl_bitmap = clib_bitmap_set (old_seen_acl_bitmap, *pacln, 1);
1244 clib_bitmap_dup_xor (old_seen_acl_bitmap, seen_acl_bitmap);
1246 if (am->trace_acl > 255)
1247 clib_warning ("bitmaps: old seen %U new seen %U changed %U",
1248 format_bitmap_hex, old_seen_acl_bitmap, format_bitmap_hex,
1249 seen_acl_bitmap, format_bitmap_hex, change_acl_bitmap);
1252 clib_bitmap_foreach(acln, change_acl_bitmap, ({
1253 if (clib_bitmap_get(old_seen_acl_bitmap, acln)) {
1254 /* ACL is being removed. */
1255 if (acln < vec_len((*pinout_sw_if_index_vec_by_acl))) {
1256 int index = vec_search((*pinout_sw_if_index_vec_by_acl)[acln], sw_if_index);
1257 vec_del1((*pinout_sw_if_index_vec_by_acl)[acln], index);
1260 /* ACL is being added. */
1261 vec_validate((*pinout_sw_if_index_vec_by_acl), acln);
1262 vec_add1((*pinout_sw_if_index_vec_by_acl)[acln], sw_if_index);
1267 vec_free ((*pinout_acl_vec_by_sw_if_index)[sw_if_index]);
1268 (*pinout_acl_vec_by_sw_if_index)[sw_if_index] =
1269 vec_dup (vec_acl_list_index);
1271 /* if no commonalities between the ACL# - then we should definitely clear the sessions */
1272 if (may_clear_sessions && *may_clear_sessions
1273 && !clib_bitmap_is_zero (change_acl_bitmap))
1275 acl_clear_sessions (am, sw_if_index);
1276 *may_clear_sessions = 0;
1280 * prepare or delete the lookup context if necessary, and if context exists, set ACL list
1282 vec_validate_init_empty ((*pinout_lc_index_by_sw_if_index), sw_if_index,
1284 if (vec_len (vec_acl_list_index) > 0)
1286 u32 lc_index = (*pinout_lc_index_by_sw_if_index)[sw_if_index];
1289 if (~0 == am->interface_acl_user_id)
1290 am->interface_acl_user_id =
1291 acl_plugin_register_user_module ("interface ACL", "sw_if_index",
1294 acl_plugin_get_lookup_context_index (am->interface_acl_user_id,
1295 sw_if_index, is_input);
1296 ASSERT (lc_index >= 0);
1297 (*pinout_lc_index_by_sw_if_index)[sw_if_index] = lc_index;
1299 acl_plugin_set_acl_vec_for_context (lc_index, vec_acl_list_index);
1303 if (~0 != (*pinout_lc_index_by_sw_if_index)[sw_if_index])
1305 acl_plugin_put_lookup_context_index ((*pinout_lc_index_by_sw_if_index)[sw_if_index]);
1306 (*pinout_lc_index_by_sw_if_index)[sw_if_index] = ~0;
1310 /* ensure ACL processing is enabled/disabled as needed */
1311 acl_interface_inout_enable_disable (am, sw_if_index, is_input,
1312 vec_len (vec_acl_list_index) > 0);
1315 clib_bitmap_free (change_acl_bitmap);
1316 clib_bitmap_free (seen_acl_bitmap);
1317 clib_bitmap_free (old_seen_acl_bitmap);
1322 acl_interface_reset_inout_acls (u32 sw_if_index, u8 is_input,
1323 int *may_clear_sessions)
1325 acl_main_t *am = &acl_main;
1326 void *oldheap = acl_set_heap (am);
1327 acl_interface_set_inout_acl_list (am, sw_if_index, is_input, 0,
1328 may_clear_sessions);
1329 clib_mem_set_heap (oldheap);
1333 acl_interface_add_del_inout_acl (u32 sw_if_index, u8 is_add, u8 is_input,
1337 acl_main_t *am = &acl_main;
1339 int may_clear_sessions = 1;
1341 int error_already_applied = is_input ? VNET_API_ERROR_ACL_IN_USE_INBOUND
1342 : VNET_API_ERROR_ACL_IN_USE_OUTBOUND;
1344 u32 ***pinout_acl_vec_by_sw_if_index =
1346 input_acl_vec_by_sw_if_index : &am->output_acl_vec_by_sw_if_index;
1348 void *oldheap = acl_set_heap (am);
1352 vec_validate ((*pinout_acl_vec_by_sw_if_index), sw_if_index);
1353 u32 index = vec_search ((*pinout_acl_vec_by_sw_if_index)[sw_if_index],
1358 rv = error_already_applied;
1362 acl_vec = vec_dup ((*pinout_acl_vec_by_sw_if_index)[sw_if_index]);
1363 vec_add1 (acl_vec, acl_list_index);
1367 if (sw_if_index > vec_len (*pinout_acl_vec_by_sw_if_index))
1369 rv = VNET_API_ERROR_NO_SUCH_ENTRY;
1373 u32 index = vec_search ((*pinout_acl_vec_by_sw_if_index)[sw_if_index],
1378 rv = VNET_API_ERROR_NO_SUCH_ENTRY;
1382 acl_vec = vec_dup ((*pinout_acl_vec_by_sw_if_index)[sw_if_index]);
1383 vec_del1 (acl_vec, index);
1386 rv = acl_interface_set_inout_acl_list (am, sw_if_index, is_input, acl_vec,
1387 &may_clear_sessions);
1390 clib_mem_set_heap (oldheap);
1395 acl_set_etype_whitelists (acl_main_t * am, u32 sw_if_index, u16 * vec_in,
1398 vec_validate (am->input_etype_whitelist_by_sw_if_index, sw_if_index);
1399 vec_validate (am->output_etype_whitelist_by_sw_if_index, sw_if_index);
1401 vec_free (am->input_etype_whitelist_by_sw_if_index[sw_if_index]);
1402 vec_free (am->output_etype_whitelist_by_sw_if_index[sw_if_index]);
1404 am->input_etype_whitelist_by_sw_if_index[sw_if_index] = vec_in;
1405 am->output_etype_whitelist_by_sw_if_index[sw_if_index] = vec_out;
1408 * if there are already inbound/outbound ACLs applied, toggle the
1409 * enable/disable - this will recreate the necessary tables.
1412 if (vec_len (am->input_acl_vec_by_sw_if_index) > sw_if_index)
1414 if (vec_len (am->input_acl_vec_by_sw_if_index[sw_if_index]) > 0)
1416 acl_interface_in_enable_disable (am, sw_if_index, 0);
1417 acl_interface_in_enable_disable (am, sw_if_index, 1);
1420 if (vec_len (am->output_acl_vec_by_sw_if_index) > sw_if_index)
1422 if (vec_len (am->output_acl_vec_by_sw_if_index[sw_if_index]) > 0)
1424 acl_interface_out_enable_disable (am, sw_if_index, 0);
1425 acl_interface_out_enable_disable (am, sw_if_index, 1);
1440 u32 arp_table_index;
1441 u32 dot1q_table_index;
1442 u32 dot1ad_table_index;
1443 u32 arp_dot1q_table_index;
1444 u32 arp_dot1ad_table_index;
1446 u32 out_table_index;
1447 u32 out_arp_table_index;
1448 u32 out_dot1q_table_index;
1449 u32 out_dot1ad_table_index;
1450 u32 out_arp_dot1q_table_index;
1451 u32 out_arp_dot1ad_table_index;
1452 } macip_match_type_t;
1455 macip_find_match_type (macip_match_type_t * mv, u8 * mac_mask, u8 prefix_len,
1461 for (i = 0; i < vec_len (mv); i++)
1463 if ((mv[i].prefix_len == prefix_len) && (mv[i].is_ipv6 == is_ipv6)
1464 && (0 == memcmp (mv[i].mac_mask, mac_mask, 6)))
1474 /* Get metric used to sort match types.
1475 The more specific and the more often seen - the bigger the metric */
1477 match_type_metric (macip_match_type_t * m)
1479 unsigned int mac_bits_set = 0;
1480 unsigned int mac_byte;
1482 for (i = 0; i < 6; i++)
1484 mac_byte = m->mac_mask[i];
1485 for (; mac_byte; mac_byte >>= 1)
1486 mac_bits_set += mac_byte & 1;
1489 * Attempt to place the more specific and the more used rules on top.
1490 * There are obvious caveat corner cases to this, but they do not
1491 * seem to be sensible in real world (e.g. specific IPv4 with wildcard MAC
1492 * going with a wildcard IPv4 with a specific MAC).
1494 return m->prefix_len + mac_bits_set + m->is_ipv6 + 10 * m->count;
1498 match_type_compare (macip_match_type_t * m1, macip_match_type_t * m2)
1500 /* Ascending sort based on the metric values */
1501 return match_type_metric (m1) - match_type_metric (m2);
1504 /* Get the offset of L3 source within ethernet packet */
1506 get_l3_src_offset (int is6)
1509 return (sizeof (ethernet_header_t) +
1510 offsetof (ip6_header_t, src_address));
1512 return (sizeof (ethernet_header_t) +
1513 offsetof (ip4_header_t, src_address));
1517 get_l3_dst_offset (int is6)
1520 return (sizeof (ethernet_header_t) +
1521 offsetof (ip6_header_t, dst_address));
1523 return (sizeof (ethernet_header_t) +
1524 offsetof (ip4_header_t, dst_address));
1528 * return if the is_permit value also requires to create the egress tables
1529 * For backwards compatibility, we keep the is_permit = 1 to only
1530 * create the ingress tables, and the new value of 3 will also
1531 * create the egress tables based on destination.
1534 macip_permit_also_egress (u8 is_permit)
1536 return (is_permit == 3);
1540 macip_create_classify_tables (acl_main_t * am, u32 macip_acl_index)
1542 macip_match_type_t *mvec = NULL;
1543 macip_match_type_t *mt;
1544 macip_acl_list_t *a = pool_elt_at_index (am->macip_acls, macip_acl_index);
1546 u32 match_type_index;
1550 vnet_classify_main_t *cm = &vnet_classify_main;
1552 /* Count the number of different types of rules */
1553 for (i = 0; i < a->count; i++)
1557 macip_find_match_type (mvec, a->rules[i].src_mac_mask,
1558 a->rules[i].src_prefixlen,
1559 a->rules[i].is_ipv6)))
1561 match_type_index = vec_len (mvec);
1562 vec_validate (mvec, match_type_index);
1563 memcpy (mvec[match_type_index].mac_mask,
1564 a->rules[i].src_mac_mask, 6);
1565 mvec[match_type_index].prefix_len = a->rules[i].src_prefixlen;
1566 mvec[match_type_index].is_ipv6 = a->rules[i].is_ipv6;
1567 mvec[match_type_index].has_egress = 0;
1568 mvec[match_type_index].table_index = ~0;
1569 mvec[match_type_index].arp_table_index = ~0;
1570 mvec[match_type_index].dot1q_table_index = ~0;
1571 mvec[match_type_index].dot1ad_table_index = ~0;
1572 mvec[match_type_index].arp_dot1q_table_index = ~0;
1573 mvec[match_type_index].arp_dot1ad_table_index = ~0;
1574 mvec[match_type_index].out_table_index = ~0;
1575 mvec[match_type_index].out_arp_table_index = ~0;
1576 mvec[match_type_index].out_dot1q_table_index = ~0;
1577 mvec[match_type_index].out_dot1ad_table_index = ~0;
1578 mvec[match_type_index].out_arp_dot1q_table_index = ~0;
1579 mvec[match_type_index].out_arp_dot1ad_table_index = ~0;
1581 mvec[match_type_index].count++;
1582 mvec[match_type_index].has_egress |=
1583 macip_permit_also_egress (a->rules[i].is_permit);
1585 /* Put the most frequently used tables last in the list so we can create classifier tables in reverse order */
1586 vec_sort_with_function (mvec, match_type_compare);
1587 /* Create the classifier tables */
1589 out_last_table = ~0;
1590 /* First add ARP tables */
1591 vec_foreach (mt, mvec)
1594 int is6 = mt->is_ipv6;
1596 u32 *last_tag_table;
1597 u32 *out_last_tag_table;
1604 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
1605 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
1606 | Destination Address |
1607 + +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
1609 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +
1611 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
1612 | EtherType | Hardware Type |
1613 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
1614 | Protocol Type | Hw addr len | Proto addr len|
1615 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
1617 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +
1618 | Sender Hardware Address |
1619 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
1620 | Sender Protocol Address |
1621 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
1622 | Target Hardware Address |
1623 + +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
1624 | | TargetProtocolAddress |
1625 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
1627 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
1629 for (tags = 2; tags >= 0; tags--)
1631 memset (mask, 0, sizeof (mask));
1632 /* source MAC address */
1633 memcpy (&mask[6], mt->mac_mask, 6);
1639 memset (&mask[12], 0xff, 2); /* ethernet protocol */
1641 last_tag_table = &mt->arp_table_index;
1644 memset (&mask[12], 0xff, 2); /* VLAN tag1 */
1645 memset (&mask[16], 0xff, 2); /* ethernet protocol */
1647 last_tag_table = &mt->arp_dot1q_table_index;
1650 memset (&mask[12], 0xff, 2); /* VLAN tag1 */
1651 memset (&mask[16], 0xff, 2); /* VLAN tag2 */
1652 memset (&mask[20], 0xff, 2); /* ethernet protocol */
1654 last_tag_table = &mt->arp_dot1ad_table_index;
1658 /* sender hardware address within ARP */
1659 memcpy (&mask[l3_offset + 8], mt->mac_mask, 6);
1660 /* sender protocol address within ARP */
1661 for (i = 0; i < (mt->prefix_len / 8); i++)
1662 mask[l3_offset + 14 + i] = 0xff;
1663 if (mt->prefix_len % 8)
1664 mask[l3_offset + 14 + (mt->prefix_len / 8)] =
1665 0xff - ((1 << (8 - mt->prefix_len % 8)) - 1);
1667 mask_len = ((l3_offset + 14 + ((mt->prefix_len + 7) / 8) +
1669 1)) / sizeof (u32x4)) * sizeof (u32x4);
1670 acl_classify_add_del_table_small (cm, mask, mask_len, last_table,
1671 (~0 == last_table) ? 0 : ~0,
1673 last_table = *last_tag_table;
1676 /* egress ARP table */
1677 memset (mask, 0, sizeof (mask));
1683 memset (&mask[12], 0xff, 2); /* ethernet protocol */
1685 out_last_tag_table = &mt->out_arp_table_index;
1688 memset (&mask[12], 0xff, 2); /* VLAN tag1 */
1689 memset (&mask[16], 0xff, 2); /* ethernet protocol */
1691 out_last_tag_table = &mt->out_arp_dot1q_table_index;
1694 memset (&mask[12], 0xff, 2); /* VLAN tag1 */
1695 memset (&mask[16], 0xff, 2); /* VLAN tag2 */
1696 memset (&mask[20], 0xff, 2); /* ethernet protocol */
1698 out_last_tag_table = &mt->out_arp_dot1ad_table_index;
1702 /* AYXX: FIXME here - can we tighten the ARP-related table more ? */
1703 /* mask captures just the destination and the ethertype */
1704 mask_len = ((l3_offset +
1706 1)) / sizeof (u32x4)) * sizeof (u32x4);
1707 acl_classify_add_del_table_small (cm, mask, mask_len,
1710 out_last_table) ? 0 : ~0,
1711 out_last_tag_table, 1);
1712 out_last_table = *out_last_tag_table;
1717 /* Now add IP[46] tables */
1718 vec_foreach (mt, mvec)
1721 int is6 = mt->is_ipv6;
1725 u32 *last_tag_table;
1726 u32 *out_last_tag_table;
1729 * create chained tables for VLAN (no-tags, dot1q and dot1ad) packets
1731 for (tags = 2; tags >= 0; tags--)
1733 memset (mask, 0, sizeof (mask));
1734 memcpy (&mask[6], mt->mac_mask, 6);
1735 l3_src_offs = tags * 4 + get_l3_src_offset (is6);
1740 memset (&mask[12], 0xff, 2); /* ethernet protocol */
1741 last_tag_table = &mt->table_index;
1744 memset (&mask[12], 0xff, 2); /* VLAN tag1 */
1745 memset (&mask[16], 0xff, 2); /* ethernet protocol */
1746 last_tag_table = &mt->dot1q_table_index;
1749 memset (&mask[12], 0xff, 2); /* VLAN tag1 */
1750 memset (&mask[16], 0xff, 2); /* VLAN tag2 */
1751 memset (&mask[20], 0xff, 2); /* ethernet protocol */
1752 last_tag_table = &mt->dot1ad_table_index;
1755 for (i = 0; i < (mt->prefix_len / 8); i++)
1757 mask[l3_src_offs + i] = 0xff;
1759 if (mt->prefix_len % 8)
1761 mask[l3_src_offs + (mt->prefix_len / 8)] =
1762 0xff - ((1 << (8 - mt->prefix_len % 8)) - 1);
1765 * Round-up the number of bytes needed to store the prefix,
1766 * and round up the number of vectors too
1768 mask_len = ((l3_src_offs + ((mt->prefix_len + 7) / 8) +
1769 (sizeof (u32x4) - 1)) / sizeof (u32x4)) * sizeof (u32x4);
1770 acl_classify_add_del_table_small (cm, mask, mask_len, last_table,
1771 (~0 == last_table) ? 0 : ~0,
1773 last_table = *last_tag_table;
1777 for (tags = 2; tags >= 0; tags--)
1779 memset (mask, 0, sizeof (mask));
1780 /* MAC destination */
1781 memcpy (&mask[0], mt->mac_mask, 6);
1782 l3_dst_offs = tags * 4 + get_l3_dst_offset (is6);
1787 memset (&mask[12], 0xff, 2); /* ethernet protocol */
1788 out_last_tag_table = &mt->out_table_index;
1791 memset (&mask[12], 0xff, 2); /* VLAN tag1 */
1792 memset (&mask[16], 0xff, 2); /* ethernet protocol */
1793 out_last_tag_table = &mt->out_dot1q_table_index;
1796 memset (&mask[12], 0xff, 2); /* VLAN tag1 */
1797 memset (&mask[16], 0xff, 2); /* VLAN tag2 */
1798 memset (&mask[20], 0xff, 2); /* ethernet protocol */
1799 out_last_tag_table = &mt->out_dot1ad_table_index;
1802 for (i = 0; i < (mt->prefix_len / 8); i++)
1804 mask[l3_dst_offs + i] = 0xff;
1806 if (mt->prefix_len % 8)
1808 mask[l3_dst_offs + (mt->prefix_len / 8)] =
1809 0xff - ((1 << (8 - mt->prefix_len % 8)) - 1);
1812 * Round-up the number of bytes needed to store the prefix,
1813 * and round up the number of vectors too
1815 mask_len = ((l3_dst_offs + ((mt->prefix_len + 7) / 8) +
1817 1)) / sizeof (u32x4)) * sizeof (u32x4);
1818 acl_classify_add_del_table_small (cm, mask, mask_len,
1820 (~0 == out_last_table) ? 0 : ~0,
1821 out_last_tag_table, 1);
1822 out_last_table = *out_last_tag_table;
1826 a->ip4_table_index = last_table;
1827 a->ip6_table_index = last_table;
1828 a->l2_table_index = last_table;
1830 a->out_ip4_table_index = out_last_table;
1831 a->out_ip6_table_index = out_last_table;
1832 a->out_l2_table_index = out_last_table;
1834 /* Populate the classifier tables with rules from the MACIP ACL */
1835 for (i = 0; i < a->count; i++)
1839 int is6 = a->rules[i].is_ipv6;
1846 macip_find_match_type (mvec, a->rules[i].src_mac_mask,
1847 a->rules[i].src_prefixlen,
1848 a->rules[i].is_ipv6);
1849 ASSERT (match_type_index != ~0);
1851 for (tags = 2; tags >= 0; tags--)
1853 memset (mask, 0, sizeof (mask));
1854 l3_src_offs = tags * 4 + get_l3_src_offset (is6);
1855 memcpy (&mask[6], a->rules[i].src_mac, 6);
1860 tag_table = mvec[match_type_index].table_index;
1864 tag_table = mvec[match_type_index].dot1q_table_index;
1870 tag_table = mvec[match_type_index].dot1ad_table_index;
1880 memcpy (&mask[l3_src_offs], &a->rules[i].src_ip_addr.ip6, 16);
1882 mask[eth + 1] = 0xdd;
1886 memcpy (&mask[l3_src_offs], &a->rules[i].src_ip_addr.ip4, 4);
1888 mask[eth + 1] = 0x00;
1891 /* add session to table mvec[match_type_index].table_index; */
1892 vnet_classify_add_del_session (cm, tag_table,
1893 mask, a->rules[i].is_permit ? ~0 : 0,
1894 i, 0, action, metadata, 1);
1895 memset (&mask[12], 0, sizeof (mask) - 12);
1898 /* add ARP table entry too */
1899 if (!is6 && (mvec[match_type_index].arp_table_index != ~0))
1901 memset (mask, 0, sizeof (mask));
1902 memcpy (&mask[6], a->rules[i].src_mac, 6);
1904 for (tags = 2; tags >= 0; tags--)
1910 tag_table = mvec[match_type_index].arp_table_index;
1916 tag_table = mvec[match_type_index].arp_dot1q_table_index;
1924 tag_table = mvec[match_type_index].arp_dot1ad_table_index;
1935 memcpy (&mask[l3_src_offs + 8], a->rules[i].src_mac, 6);
1936 memcpy (&mask[l3_src_offs + 14], &a->rules[i].src_ip_addr.ip4,
1938 vnet_classify_add_del_session (cm, tag_table, mask,
1939 a->rules[i].is_permit ? ~0 : 0,
1940 i, 0, action, metadata, 1);
1943 if (macip_permit_also_egress (a->rules[i].is_permit))
1945 /* Add the egress entry with destination set */
1946 for (tags = 2; tags >= 0; tags--)
1948 memset (mask, 0, sizeof (mask));
1949 l3_dst_offs = tags * 4 + get_l3_dst_offset (is6);
1950 /* src mac in the other direction becomes dst */
1951 memcpy (&mask[0], a->rules[i].src_mac, 6);
1956 tag_table = mvec[match_type_index].out_table_index;
1960 tag_table = mvec[match_type_index].out_dot1q_table_index;
1966 tag_table = mvec[match_type_index].out_dot1ad_table_index;
1976 memcpy (&mask[l3_dst_offs], &a->rules[i].src_ip_addr.ip6,
1979 mask[eth + 1] = 0xdd;
1983 memcpy (&mask[l3_dst_offs], &a->rules[i].src_ip_addr.ip4,
1986 mask[eth + 1] = 0x00;
1989 /* add session to table mvec[match_type_index].table_index; */
1990 vnet_classify_add_del_session (cm, tag_table,
1992 a->rules[i].is_permit ? ~0 : 0,
1993 i, 0, action, metadata, 1);
1994 // memset (&mask[12], 0, sizeof (mask) - 12);
1997 /* add ARP table entry too */
1998 if (!is6 && (mvec[match_type_index].out_arp_table_index != ~0))
2000 for (tags = 2; tags >= 0; tags--)
2002 memset (mask, 0, sizeof (mask));
2007 tag_table = mvec[match_type_index].out_arp_table_index;
2013 mvec[match_type_index].out_arp_dot1q_table_index;
2021 mvec[match_type_index].out_arp_dot1ad_table_index;
2031 vnet_classify_add_del_session (cm, tag_table,
2034 rules[i].is_permit ? ~0 : 0,
2035 i, 0, action, metadata, 1);
2044 macip_destroy_classify_tables (acl_main_t * am, u32 macip_acl_index)
2046 vnet_classify_main_t *cm = &vnet_classify_main;
2047 macip_acl_list_t *a = pool_elt_at_index (am->macip_acls, macip_acl_index);
2049 if (a->ip4_table_index != ~0)
2051 acl_classify_add_del_table_small (cm, 0, ~0, ~0, ~0,
2052 &a->ip4_table_index, 0);
2053 a->ip4_table_index = ~0;
2055 if (a->ip6_table_index != ~0)
2057 acl_classify_add_del_table_small (cm, 0, ~0, ~0, ~0,
2058 &a->ip6_table_index, 0);
2059 a->ip6_table_index = ~0;
2061 if (a->l2_table_index != ~0)
2063 acl_classify_add_del_table_small (cm, 0, ~0, ~0, ~0, &a->l2_table_index,
2065 a->l2_table_index = ~0;
2067 if (a->out_ip4_table_index != ~0)
2069 acl_classify_add_del_table_small (cm, 0, ~0, ~0, ~0,
2070 &a->out_ip4_table_index, 0);
2071 a->out_ip4_table_index = ~0;
2073 if (a->out_ip6_table_index != ~0)
2075 acl_classify_add_del_table_small (cm, 0, ~0, ~0, ~0,
2076 &a->out_ip6_table_index, 0);
2077 a->out_ip6_table_index = ~0;
2079 if (a->out_l2_table_index != ~0)
2081 acl_classify_add_del_table_small (cm, 0, ~0, ~0, ~0,
2082 &a->out_l2_table_index, 0);
2083 a->out_l2_table_index = ~0;
2088 macip_maybe_apply_unapply_classifier_tables (acl_main_t * am, u32 acl_index,
2094 macip_acl_list_t *a = pool_elt_at_index (am->macip_acls, acl_index);
2096 for (i = 0; i < vec_len (am->macip_acl_by_sw_if_index); i++)
2097 if (vec_elt (am->macip_acl_by_sw_if_index, i) == acl_index)
2099 rv0 = vnet_set_input_acl_intfc (am->vlib_main, i, a->ip4_table_index,
2100 a->ip6_table_index, a->l2_table_index,
2102 /* return the first unhappy outcome but make try to plough through. */
2105 vnet_set_output_acl_intfc (am->vlib_main, i, a->out_ip4_table_index,
2106 a->out_ip6_table_index,
2107 a->out_l2_table_index, is_apply);
2108 /* return the first unhappy outcome but make try to plough through. */
2115 macip_acl_add_list (u32 count, vl_api_macip_acl_rule_t rules[],
2116 u32 * acl_list_index, u8 * tag)
2118 acl_main_t *am = &acl_main;
2119 macip_acl_list_t *a;
2120 macip_acl_rule_t *r;
2121 macip_acl_rule_t *acl_new_rules = 0;
2125 if (*acl_list_index != ~0)
2127 /* They supplied some number, let's see if this MACIP ACL exists */
2128 if (pool_is_free_index (am->macip_acls, *acl_list_index))
2130 /* tried to replace a non-existent ACL, no point doing anything */
2132 ("acl-plugin-error: Trying to replace nonexistent MACIP ACL %d (tag %s)",
2133 *acl_list_index, tag);
2134 return VNET_API_ERROR_NO_SUCH_ENTRY;
2141 ("acl-plugin-warning: Trying to create empty MACIP ACL (tag %s)",
2144 /* if replacing the ACL, unapply the classifier tables first - they will be gone.. */
2145 if (~0 != *acl_list_index)
2146 rv = macip_maybe_apply_unapply_classifier_tables (am, *acl_list_index, 0);
2147 void *oldheap = acl_set_heap (am);
2148 /* Create and populate the rules */
2150 vec_validate (acl_new_rules, count - 1);
2152 for (i = 0; i < count; i++)
2154 r = &acl_new_rules[i];
2155 r->is_permit = rules[i].is_permit;
2156 r->is_ipv6 = rules[i].is_ipv6;
2157 memcpy (&r->src_mac, rules[i].src_mac, 6);
2158 memcpy (&r->src_mac_mask, rules[i].src_mac_mask, 6);
2159 if (rules[i].is_ipv6)
2160 memcpy (&r->src_ip_addr.ip6, rules[i].src_ip_addr, 16);
2162 memcpy (&r->src_ip_addr.ip4, rules[i].src_ip_addr, 4);
2163 r->src_prefixlen = rules[i].src_ip_prefix_len;
2166 if (~0 == *acl_list_index)
2169 pool_get_aligned (am->macip_acls, a, CLIB_CACHE_LINE_BYTES);
2170 memset (a, 0, sizeof (*a));
2171 /* Will return the newly allocated ACL index */
2172 *acl_list_index = a - am->macip_acls;
2176 a = pool_elt_at_index (am->macip_acls, *acl_list_index);
2179 vec_free (a->rules);
2181 macip_destroy_classify_tables (am, *acl_list_index);
2184 a->rules = acl_new_rules;
2186 memcpy (a->tag, tag, sizeof (a->tag));
2188 /* Create and populate the classifer tables */
2189 macip_create_classify_tables (am, *acl_list_index);
2190 clib_mem_set_heap (oldheap);
2191 /* If the ACL was already applied somewhere, reapply the newly created tables */
2193 || macip_maybe_apply_unapply_classifier_tables (am, *acl_list_index, 1);
2197 /* No check that sw_if_index denotes a valid interface - the callers
2198 * were supposed to validate.
2200 * That said, if sw_if_index corresponds to an interface that exists at all,
2201 * this function must return errors accordingly if the ACL is not applied.
2205 macip_acl_interface_del_acl (acl_main_t * am, u32 sw_if_index)
2208 u32 macip_acl_index;
2209 macip_acl_list_t *a;
2211 /* The vector is too short - MACIP ACL is not applied */
2212 if (sw_if_index >= vec_len (am->macip_acl_by_sw_if_index))
2213 return VNET_API_ERROR_NO_SUCH_ENTRY;
2215 macip_acl_index = am->macip_acl_by_sw_if_index[sw_if_index];
2216 /* No point in deleting MACIP ACL which is not applied */
2217 if (~0 == macip_acl_index)
2218 return VNET_API_ERROR_NO_SUCH_ENTRY;
2220 a = pool_elt_at_index (am->macip_acls, macip_acl_index);
2221 /* remove the classifier tables off the interface L2 ACL */
2223 vnet_set_input_acl_intfc (am->vlib_main, sw_if_index, a->ip4_table_index,
2224 a->ip6_table_index, a->l2_table_index, 0);
2226 vnet_set_output_acl_intfc (am->vlib_main, sw_if_index,
2227 a->out_ip4_table_index, a->out_ip6_table_index,
2228 a->out_l2_table_index, 0);
2229 /* Unset the MACIP ACL index */
2230 am->macip_acl_by_sw_if_index[sw_if_index] = ~0;
2231 /* macip_acl_interface_add_acl did a vec_add1() to this previously, so [sw_if_index] should be valid */
2232 u32 index = vec_search (am->sw_if_index_vec_by_macip_acl[macip_acl_index],
2235 vec_del1 (am->sw_if_index_vec_by_macip_acl[macip_acl_index], index);
2239 /* No check for validity of sw_if_index - the callers were supposed to validate */
2242 macip_acl_interface_add_acl (acl_main_t * am, u32 sw_if_index,
2243 u32 macip_acl_index)
2245 macip_acl_list_t *a;
2247 if (pool_is_free_index (am->macip_acls, macip_acl_index))
2249 return VNET_API_ERROR_NO_SUCH_ENTRY;
2251 void *oldheap = acl_set_heap (am);
2252 a = pool_elt_at_index (am->macip_acls, macip_acl_index);
2253 vec_validate_init_empty (am->macip_acl_by_sw_if_index, sw_if_index, ~0);
2254 vec_validate (am->sw_if_index_vec_by_macip_acl, macip_acl_index);
2255 vec_add1 (am->sw_if_index_vec_by_macip_acl[macip_acl_index], sw_if_index);
2256 clib_mem_set_heap (oldheap);
2257 /* If there already a MACIP ACL applied, unapply it */
2258 if (~0 != am->macip_acl_by_sw_if_index[sw_if_index])
2259 macip_acl_interface_del_acl (am, sw_if_index);
2260 am->macip_acl_by_sw_if_index[sw_if_index] = macip_acl_index;
2262 /* Apply the classifier tables for L2 ACLs */
2264 vnet_set_input_acl_intfc (am->vlib_main, sw_if_index, a->ip4_table_index,
2265 a->ip6_table_index, a->l2_table_index, 1);
2267 vnet_set_output_acl_intfc (am->vlib_main, sw_if_index,
2268 a->out_ip4_table_index, a->out_ip6_table_index,
2269 a->out_l2_table_index, 1);
2274 macip_acl_del_list (u32 acl_list_index)
2276 acl_main_t *am = &acl_main;
2277 macip_acl_list_t *a;
2279 if (pool_is_free_index (am->macip_acls, acl_list_index))
2281 return VNET_API_ERROR_NO_SUCH_ENTRY;
2284 /* delete any references to the ACL */
2285 for (i = 0; i < vec_len (am->macip_acl_by_sw_if_index); i++)
2287 if (am->macip_acl_by_sw_if_index[i] == acl_list_index)
2289 macip_acl_interface_del_acl (am, i);
2293 void *oldheap = acl_set_heap (am);
2294 /* Now that classifier tables are detached, clean them up */
2295 macip_destroy_classify_tables (am, acl_list_index);
2297 /* now we can delete the ACL itself */
2298 a = pool_elt_at_index (am->macip_acls, acl_list_index);
2301 vec_free (a->rules);
2303 pool_put (am->macip_acls, a);
2304 clib_mem_set_heap (oldheap);
2310 macip_acl_interface_add_del_acl (u32 sw_if_index, u8 is_add,
2313 acl_main_t *am = &acl_main;
2317 rv = macip_acl_interface_add_acl (am, sw_if_index, acl_list_index);
2321 rv = macip_acl_interface_del_acl (am, sw_if_index);
2327 * If the client does not allocate enough memory for a variable-length
2328 * message, and then proceed to use it as if the full memory allocated,
2329 * absent the check we happily consume that on the VPP side, and go
2330 * along as if nothing happened. However, the resulting
2331 * effects range from just garbage in the API decode
2332 * (because the decoder snoops too far), to potential memory
2335 * This verifies that the actual length of the message is
2336 * at least expected_len, and complains loudly if it is not.
2338 * A failing check here is 100% a software bug on the API user side,
2339 * so we might as well yell.
2343 verify_message_len (void *mp, u32 expected_len, char *where)
2345 u32 supplied_len = vl_msg_api_get_msg_length (mp);
2346 if (supplied_len < expected_len)
2348 clib_warning ("%s: Supplied message length %d is less than expected %d",
2349 where, supplied_len, expected_len);
2358 /* API message handler */
2360 vl_api_acl_add_replace_t_handler (vl_api_acl_add_replace_t * mp)
2362 vl_api_acl_add_replace_reply_t *rmp;
2363 acl_main_t *am = &acl_main;
2365 u32 acl_list_index = ntohl (mp->acl_index);
2366 u32 acl_count = ntohl (mp->count);
2367 u32 expected_len = sizeof (*mp) + acl_count * sizeof (mp->r[0]);
2369 if (verify_message_len (mp, expected_len, "acl_add_replace"))
2371 rv = acl_add_list (acl_count, mp->r, &acl_list_index, mp->tag);
2375 rv = VNET_API_ERROR_INVALID_VALUE;
2379 REPLY_MACRO2(VL_API_ACL_ADD_REPLACE_REPLY,
2381 rmp->acl_index = htonl(acl_list_index);
2387 vl_api_acl_del_t_handler (vl_api_acl_del_t * mp)
2389 acl_main_t *am = &acl_main;
2390 vl_api_acl_del_reply_t *rmp;
2393 rv = acl_del_list (ntohl (mp->acl_index));
2395 REPLY_MACRO (VL_API_ACL_DEL_REPLY);
2399 vl_api_acl_interface_add_del_t_handler (vl_api_acl_interface_add_del_t * mp)
2401 acl_main_t *am = &acl_main;
2402 vnet_interface_main_t *im = &am->vnet_main->interface_main;
2403 u32 sw_if_index = ntohl (mp->sw_if_index);
2404 vl_api_acl_interface_add_del_reply_t *rmp;
2407 if (pool_is_free_index (im->sw_interfaces, sw_if_index))
2408 rv = VNET_API_ERROR_INVALID_SW_IF_INDEX;
2411 acl_interface_add_del_inout_acl (sw_if_index, mp->is_add,
2412 mp->is_input, ntohl (mp->acl_index));
2414 REPLY_MACRO (VL_API_ACL_INTERFACE_ADD_DEL_REPLY);
2418 vl_api_acl_interface_set_acl_list_t_handler
2419 (vl_api_acl_interface_set_acl_list_t * mp)
2421 acl_main_t *am = &acl_main;
2422 vl_api_acl_interface_set_acl_list_reply_t *rmp;
2425 vnet_interface_main_t *im = &am->vnet_main->interface_main;
2426 u32 sw_if_index = ntohl (mp->sw_if_index);
2428 if (pool_is_free_index (im->sw_interfaces, sw_if_index))
2429 rv = VNET_API_ERROR_INVALID_SW_IF_INDEX;
2432 int may_clear_sessions = 1;
2433 for (i = 0; i < mp->count; i++)
2435 if (acl_is_not_defined (am, ntohl (mp->acls[i])))
2437 /* ACL does not exist, so we can not apply it */
2438 rv = VNET_API_ERROR_NO_SUCH_ENTRY;
2443 void *oldheap = acl_set_heap (am);
2445 u32 *in_acl_vec = 0;
2446 u32 *out_acl_vec = 0;
2447 for (i = 0; i < mp->count; i++)
2448 if (i < mp->n_input)
2449 vec_add1 (in_acl_vec, clib_net_to_host_u32 (mp->acls[i]));
2451 vec_add1 (out_acl_vec, clib_net_to_host_u32 (mp->acls[i]));
2454 acl_interface_set_inout_acl_list (am, sw_if_index, 0, out_acl_vec,
2455 &may_clear_sessions);
2457 || acl_interface_set_inout_acl_list (am, sw_if_index, 1,
2459 &may_clear_sessions);
2460 vec_free (in_acl_vec);
2461 vec_free (out_acl_vec);
2462 clib_mem_set_heap (oldheap);
2466 REPLY_MACRO (VL_API_ACL_INTERFACE_SET_ACL_LIST_REPLY);
2470 copy_acl_rule_to_api_rule (vl_api_acl_rule_t * api_rule, acl_rule_t * r)
2472 api_rule->is_permit = r->is_permit;
2473 api_rule->is_ipv6 = r->is_ipv6;
2476 memcpy (api_rule->src_ip_addr, &r->src, sizeof (r->src));
2477 memcpy (api_rule->dst_ip_addr, &r->dst, sizeof (r->dst));
2481 memcpy (api_rule->src_ip_addr, &r->src.ip4, sizeof (r->src.ip4));
2482 memcpy (api_rule->dst_ip_addr, &r->dst.ip4, sizeof (r->dst.ip4));
2484 api_rule->src_ip_prefix_len = r->src_prefixlen;
2485 api_rule->dst_ip_prefix_len = r->dst_prefixlen;
2486 api_rule->proto = r->proto;
2487 api_rule->srcport_or_icmptype_first = htons (r->src_port_or_type_first);
2488 api_rule->srcport_or_icmptype_last = htons (r->src_port_or_type_last);
2489 api_rule->dstport_or_icmpcode_first = htons (r->dst_port_or_code_first);
2490 api_rule->dstport_or_icmpcode_last = htons (r->dst_port_or_code_last);
2491 api_rule->tcp_flags_mask = r->tcp_flags_mask;
2492 api_rule->tcp_flags_value = r->tcp_flags_value;
2496 send_acl_details (acl_main_t * am, vl_api_registration_t * reg,
2497 acl_list_t * acl, u32 context)
2499 vl_api_acl_details_t *mp;
2500 vl_api_acl_rule_t *rules;
2502 int msg_size = sizeof (*mp) + sizeof (mp->r[0]) * acl->count;
2503 void *oldheap = acl_set_heap (am);
2505 mp = vl_msg_api_alloc (msg_size);
2506 memset (mp, 0, msg_size);
2507 mp->_vl_msg_id = ntohs (VL_API_ACL_DETAILS + am->msg_id_base);
2509 /* fill in the message */
2510 mp->context = context;
2511 mp->count = htonl (acl->count);
2512 mp->acl_index = htonl (acl - am->acls);
2513 memcpy (mp->tag, acl->tag, sizeof (mp->tag));
2514 // clib_memcpy (mp->r, acl->rules, acl->count * sizeof(acl->rules[0]));
2516 for (i = 0; i < acl->count; i++)
2518 copy_acl_rule_to_api_rule (&rules[i], &acl->rules[i]);
2521 clib_mem_set_heap (oldheap);
2522 vl_api_send_msg (reg, (u8 *) mp);
2527 vl_api_acl_dump_t_handler (vl_api_acl_dump_t * mp)
2529 acl_main_t *am = &acl_main;
2533 vl_api_registration_t *reg;
2535 reg = vl_api_client_index_to_registration (mp->client_index);
2539 if (mp->acl_index == ~0)
2542 /* Just dump all ACLs */
2543 pool_foreach (acl, am->acls,
2545 send_acl_details(am, reg, acl, mp->context);
2551 acl_index = ntohl (mp->acl_index);
2552 if (!pool_is_free_index (am->acls, acl_index))
2554 acl = pool_elt_at_index (am->acls, acl_index);
2555 send_acl_details (am, reg, acl, mp->context);
2561 /* FIXME API: should we signal an error here at all ? */
2567 send_acl_interface_list_details (acl_main_t * am,
2568 vl_api_registration_t * reg,
2569 u32 sw_if_index, u32 context)
2571 vl_api_acl_interface_list_details_t *mp;
2577 void *oldheap = acl_set_heap (am);
2579 vec_validate (am->input_acl_vec_by_sw_if_index, sw_if_index);
2580 vec_validate (am->output_acl_vec_by_sw_if_index, sw_if_index);
2582 clib_mem_set_heap (oldheap);
2584 n_input = vec_len (am->input_acl_vec_by_sw_if_index[sw_if_index]);
2585 n_output = vec_len (am->output_acl_vec_by_sw_if_index[sw_if_index]);
2586 count = n_input + n_output;
2588 msg_size = sizeof (*mp);
2589 msg_size += sizeof (mp->acls[0]) * count;
2591 mp = vl_msg_api_alloc (msg_size);
2592 memset (mp, 0, msg_size);
2594 ntohs (VL_API_ACL_INTERFACE_LIST_DETAILS + am->msg_id_base);
2596 /* fill in the message */
2597 mp->context = context;
2598 mp->sw_if_index = htonl (sw_if_index);
2600 mp->n_input = n_input;
2601 for (i = 0; i < n_input; i++)
2603 mp->acls[i] = htonl (am->input_acl_vec_by_sw_if_index[sw_if_index][i]);
2605 for (i = 0; i < n_output; i++)
2607 mp->acls[n_input + i] =
2608 htonl (am->output_acl_vec_by_sw_if_index[sw_if_index][i]);
2610 vl_api_send_msg (reg, (u8 *) mp);
2614 vl_api_acl_interface_list_dump_t_handler (vl_api_acl_interface_list_dump_t *
2617 acl_main_t *am = &acl_main;
2618 vnet_sw_interface_t *swif;
2619 vnet_interface_main_t *im = &am->vnet_main->interface_main;
2622 vl_api_registration_t *reg;
2624 reg = vl_api_client_index_to_registration (mp->client_index);
2628 if (mp->sw_if_index == ~0)
2631 pool_foreach (swif, im->sw_interfaces,
2633 send_acl_interface_list_details(am, reg, swif->sw_if_index, mp->context);
2639 sw_if_index = ntohl (mp->sw_if_index);
2640 if (!pool_is_free_index (im->sw_interfaces, sw_if_index))
2641 send_acl_interface_list_details (am, reg, sw_if_index, mp->context);
2645 /* MACIP ACL API handlers */
2648 vl_api_macip_acl_add_t_handler (vl_api_macip_acl_add_t * mp)
2650 vl_api_macip_acl_add_reply_t *rmp;
2651 acl_main_t *am = &acl_main;
2653 u32 acl_list_index = ~0;
2654 u32 acl_count = ntohl (mp->count);
2655 u32 expected_len = sizeof (*mp) + acl_count * sizeof (mp->r[0]);
2657 if (verify_message_len (mp, expected_len, "macip_acl_add"))
2659 rv = macip_acl_add_list (acl_count, mp->r, &acl_list_index, mp->tag);
2663 rv = VNET_API_ERROR_INVALID_VALUE;
2667 REPLY_MACRO2(VL_API_MACIP_ACL_ADD_REPLY,
2669 rmp->acl_index = htonl(acl_list_index);
2675 vl_api_macip_acl_add_replace_t_handler (vl_api_macip_acl_add_replace_t * mp)
2677 vl_api_macip_acl_add_replace_reply_t *rmp;
2678 acl_main_t *am = &acl_main;
2680 u32 acl_list_index = ntohl (mp->acl_index);
2681 u32 acl_count = ntohl (mp->count);
2682 u32 expected_len = sizeof (*mp) + acl_count * sizeof (mp->r[0]);
2684 if (verify_message_len (mp, expected_len, "macip_acl_add_replace"))
2686 rv = macip_acl_add_list (acl_count, mp->r, &acl_list_index, mp->tag);
2690 rv = VNET_API_ERROR_INVALID_VALUE;
2694 REPLY_MACRO2(VL_API_MACIP_ACL_ADD_REPLACE_REPLY,
2696 rmp->acl_index = htonl(acl_list_index);
2702 vl_api_macip_acl_del_t_handler (vl_api_macip_acl_del_t * mp)
2704 acl_main_t *am = &acl_main;
2705 vl_api_macip_acl_del_reply_t *rmp;
2708 rv = macip_acl_del_list (ntohl (mp->acl_index));
2710 REPLY_MACRO (VL_API_MACIP_ACL_DEL_REPLY);
2714 vl_api_macip_acl_interface_add_del_t_handler
2715 (vl_api_macip_acl_interface_add_del_t * mp)
2717 acl_main_t *am = &acl_main;
2718 vl_api_macip_acl_interface_add_del_reply_t *rmp;
2720 vnet_interface_main_t *im = &am->vnet_main->interface_main;
2721 u32 sw_if_index = ntohl (mp->sw_if_index);
2723 if (pool_is_free_index (im->sw_interfaces, sw_if_index))
2724 rv = VNET_API_ERROR_INVALID_SW_IF_INDEX;
2727 macip_acl_interface_add_del_acl (ntohl (mp->sw_if_index), mp->is_add,
2728 ntohl (mp->acl_index));
2730 REPLY_MACRO (VL_API_MACIP_ACL_INTERFACE_ADD_DEL_REPLY);
2734 send_macip_acl_details (acl_main_t * am, vl_api_registration_t * reg,
2735 macip_acl_list_t * acl, u32 context)
2737 vl_api_macip_acl_details_t *mp;
2738 vl_api_macip_acl_rule_t *rules;
2739 macip_acl_rule_t *r;
2741 int msg_size = sizeof (*mp) + (acl ? sizeof (mp->r[0]) * acl->count : 0);
2743 mp = vl_msg_api_alloc (msg_size);
2744 memset (mp, 0, msg_size);
2745 mp->_vl_msg_id = ntohs (VL_API_MACIP_ACL_DETAILS + am->msg_id_base);
2747 /* fill in the message */
2748 mp->context = context;
2751 memcpy (mp->tag, acl->tag, sizeof (mp->tag));
2752 mp->count = htonl (acl->count);
2753 mp->acl_index = htonl (acl - am->macip_acls);
2755 for (i = 0; i < acl->count; i++)
2758 rules[i].is_permit = r->is_permit;
2759 rules[i].is_ipv6 = r->is_ipv6;
2760 memcpy (rules[i].src_mac, &r->src_mac, sizeof (r->src_mac));
2761 memcpy (rules[i].src_mac_mask, &r->src_mac_mask,
2762 sizeof (r->src_mac_mask));
2764 memcpy (rules[i].src_ip_addr, &r->src_ip_addr.ip6,
2765 sizeof (r->src_ip_addr.ip6));
2767 memcpy (rules[i].src_ip_addr, &r->src_ip_addr.ip4,
2768 sizeof (r->src_ip_addr.ip4));
2769 rules[i].src_ip_prefix_len = r->src_prefixlen;
2774 /* No martini, no party - no ACL applied to this interface. */
2779 vl_api_send_msg (reg, (u8 *) mp);
2784 vl_api_macip_acl_dump_t_handler (vl_api_macip_acl_dump_t * mp)
2786 acl_main_t *am = &acl_main;
2787 macip_acl_list_t *acl;
2789 vl_api_registration_t *reg;
2791 reg = vl_api_client_index_to_registration (mp->client_index);
2795 if (mp->acl_index == ~0)
2797 /* Just dump all ACLs for now, with sw_if_index = ~0 */
2798 pool_foreach (acl, am->macip_acls, (
2800 send_macip_acl_details (am, reg,
2809 u32 acl_index = ntohl (mp->acl_index);
2810 if (!pool_is_free_index (am->macip_acls, acl_index))
2812 acl = pool_elt_at_index (am->macip_acls, acl_index);
2813 send_macip_acl_details (am, reg, acl, mp->context);
2819 vl_api_macip_acl_interface_get_t_handler (vl_api_macip_acl_interface_get_t *
2822 acl_main_t *am = &acl_main;
2823 vl_api_macip_acl_interface_get_reply_t *rmp;
2824 u32 count = vec_len (am->macip_acl_by_sw_if_index);
2825 int msg_size = sizeof (*rmp) + sizeof (rmp->acls[0]) * count;
2826 vl_api_registration_t *reg;
2829 reg = vl_api_client_index_to_registration (mp->client_index);
2833 rmp = vl_msg_api_alloc (msg_size);
2834 memset (rmp, 0, msg_size);
2836 ntohs (VL_API_MACIP_ACL_INTERFACE_GET_REPLY + am->msg_id_base);
2837 rmp->context = mp->context;
2838 rmp->count = htonl (count);
2839 for (i = 0; i < count; i++)
2841 rmp->acls[i] = htonl (am->macip_acl_by_sw_if_index[i]);
2844 vl_api_send_msg (reg, (u8 *) rmp);
2848 send_macip_acl_interface_list_details (acl_main_t * am,
2849 vl_api_registration_t * reg,
2851 u32 acl_index, u32 context)
2853 vl_api_macip_acl_interface_list_details_t *rmp;
2854 /* at this time there is only ever 1 mac ip acl per interface */
2855 int msg_size = sizeof (*rmp) + sizeof (rmp->acls[0]);
2857 rmp = vl_msg_api_alloc (msg_size);
2858 memset (rmp, 0, msg_size);
2860 ntohs (VL_API_MACIP_ACL_INTERFACE_LIST_DETAILS + am->msg_id_base);
2862 /* fill in the message */
2863 rmp->context = context;
2865 rmp->sw_if_index = htonl (sw_if_index);
2866 rmp->acls[0] = htonl (acl_index);
2868 vl_api_send_msg (reg, (u8 *) rmp);
2872 vl_api_macip_acl_interface_list_dump_t_handler
2873 (vl_api_macip_acl_interface_list_dump_t * mp)
2875 vl_api_registration_t *reg;
2876 acl_main_t *am = &acl_main;
2877 u32 sw_if_index = ntohl (mp->sw_if_index);
2879 reg = vl_api_client_index_to_registration (mp->client_index);
2883 if (sw_if_index == ~0)
2885 vec_foreach_index (sw_if_index, am->macip_acl_by_sw_if_index)
2887 if (~0 != am->macip_acl_by_sw_if_index[sw_if_index])
2889 send_macip_acl_interface_list_details (am, reg, sw_if_index,
2890 am->macip_acl_by_sw_if_index
2898 if (vec_len (am->macip_acl_by_sw_if_index) > sw_if_index)
2900 send_macip_acl_interface_list_details (am, reg, sw_if_index,
2901 am->macip_acl_by_sw_if_index
2902 [sw_if_index], mp->context);
2908 vl_api_acl_interface_set_etype_whitelist_t_handler
2909 (vl_api_acl_interface_set_etype_whitelist_t * mp)
2911 acl_main_t *am = &acl_main;
2912 vl_api_acl_interface_set_etype_whitelist_reply_t *rmp;
2915 vnet_interface_main_t *im = &am->vnet_main->interface_main;
2916 u32 sw_if_index = ntohl (mp->sw_if_index);
2917 u16 *vec_in = 0, *vec_out = 0;
2918 void *oldheap = acl_set_heap (am);
2920 if (pool_is_free_index (im->sw_interfaces, sw_if_index))
2921 rv = VNET_API_ERROR_INVALID_SW_IF_INDEX;
2924 for (i = 0; i < mp->count; i++)
2926 if (i < mp->n_input)
2927 vec_add1 (vec_in, ntohs (mp->whitelist[i]));
2929 vec_add1 (vec_out, ntohs (mp->whitelist[i]));
2931 rv = acl_set_etype_whitelists (am, sw_if_index, vec_in, vec_out);
2934 clib_mem_set_heap (oldheap);
2935 REPLY_MACRO (VL_API_ACL_INTERFACE_SET_ETYPE_WHITELIST_REPLY);
2939 send_acl_interface_etype_whitelist_details (acl_main_t * am,
2940 vl_api_registration_t * reg,
2941 u32 sw_if_index, u32 context)
2943 vl_api_acl_interface_etype_whitelist_details_t *mp;
2950 u16 *whitelist_in = 0;
2951 u16 *whitelist_out = 0;
2953 if (intf_has_etype_whitelist (am, sw_if_index, 0))
2955 vec_elt (am->output_etype_whitelist_by_sw_if_index, sw_if_index);
2957 if (intf_has_etype_whitelist (am, sw_if_index, 1))
2959 vec_elt (am->input_etype_whitelist_by_sw_if_index, sw_if_index);
2961 if ((0 == whitelist_in) && (0 == whitelist_out))
2962 return; /* nothing to do */
2964 void *oldheap = acl_set_heap (am);
2966 n_input = vec_len (whitelist_in);
2967 n_output = vec_len (whitelist_out);
2968 count = n_input + n_output;
2970 msg_size = sizeof (*mp);
2971 msg_size += sizeof (mp->whitelist[0]) * count;
2973 mp = vl_msg_api_alloc (msg_size);
2974 memset (mp, 0, msg_size);
2976 ntohs (VL_API_ACL_INTERFACE_ETYPE_WHITELIST_DETAILS + am->msg_id_base);
2978 /* fill in the message */
2979 mp->context = context;
2980 mp->sw_if_index = htonl (sw_if_index);
2982 mp->n_input = n_input;
2983 for (i = 0; i < n_input; i++)
2985 mp->whitelist[i] = htons (whitelist_in[i]);
2987 for (i = 0; i < n_output; i++)
2989 mp->whitelist[n_input + i] = htons (whitelist_out[i]);
2991 clib_mem_set_heap (oldheap);
2992 vl_api_send_msg (reg, (u8 *) mp);
2997 vl_api_acl_interface_etype_whitelist_dump_t_handler
2998 (vl_api_acl_interface_list_dump_t * mp)
3000 acl_main_t *am = &acl_main;
3001 vnet_sw_interface_t *swif;
3002 vnet_interface_main_t *im = &am->vnet_main->interface_main;
3005 vl_api_registration_t *reg;
3007 reg = vl_api_client_index_to_registration (mp->client_index);
3011 if (mp->sw_if_index == ~0)
3014 pool_foreach (swif, im->sw_interfaces,
3016 send_acl_interface_etype_whitelist_details(am, reg, swif->sw_if_index, mp->context);
3022 sw_if_index = ntohl (mp->sw_if_index);
3023 if (!pool_is_free_index (im->sw_interfaces, sw_if_index))
3024 send_acl_interface_etype_whitelist_details (am, reg, sw_if_index,
3031 /* Set up the API message handling tables */
3032 static clib_error_t *
3033 acl_plugin_api_hookup (vlib_main_t * vm)
3035 acl_main_t *am = &acl_main;
3037 vl_msg_api_set_handlers((VL_API_##N + am->msg_id_base), \
3039 vl_api_##n##_t_handler, \
3041 vl_api_##n##_t_endian, \
3042 vl_api_##n##_t_print, \
3043 sizeof(vl_api_##n##_t), 1);
3044 foreach_acl_plugin_api_msg;
3050 #define vl_msg_name_crc_list
3051 #include <acl/acl_all_api_h.h>
3052 #undef vl_msg_name_crc_list
3055 setup_message_id_table (acl_main_t * am, api_main_t * apim)
3057 #define _(id,n,crc) \
3058 vl_msg_api_add_msg_name_crc (apim, #n "_" #crc, id + am->msg_id_base);
3059 foreach_vl_msg_name_crc_acl;
3064 acl_setup_fa_nodes (void)
3066 vlib_main_t *vm = vlib_get_main ();
3067 acl_main_t *am = &acl_main;
3068 vlib_node_t *n, *n4, *n6;
3070 n = vlib_get_node_by_name (vm, (u8 *) "l2-input-classify");
3071 n4 = vlib_get_node_by_name (vm, (u8 *) "acl-plugin-in-ip4-l2");
3072 n6 = vlib_get_node_by_name (vm, (u8 *) "acl-plugin-in-ip6-l2");
3075 am->l2_input_classify_next_acl_ip4 =
3076 vlib_node_add_next_with_slot (vm, n->index, n4->index, ~0);
3077 am->l2_input_classify_next_acl_ip6 =
3078 vlib_node_add_next_with_slot (vm, n->index, n6->index, ~0);
3080 feat_bitmap_init_next_nodes (vm, n4->index, L2INPUT_N_FEAT,
3081 l2input_get_feat_names (),
3082 am->fa_acl_in_ip4_l2_node_feat_next_node_index);
3084 feat_bitmap_init_next_nodes (vm, n6->index, L2INPUT_N_FEAT,
3085 l2input_get_feat_names (),
3086 am->fa_acl_in_ip6_l2_node_feat_next_node_index);
3089 n = vlib_get_node_by_name (vm, (u8 *) "l2-output-classify");
3090 n4 = vlib_get_node_by_name (vm, (u8 *) "acl-plugin-out-ip4-l2");
3091 n6 = vlib_get_node_by_name (vm, (u8 *) "acl-plugin-out-ip6-l2");
3093 am->l2_output_classify_next_acl_ip4 =
3094 vlib_node_add_next_with_slot (vm, n->index, n4->index, ~0);
3095 am->l2_output_classify_next_acl_ip6 =
3096 vlib_node_add_next_with_slot (vm, n->index, n6->index, ~0);
3098 feat_bitmap_init_next_nodes (vm, n4->index, L2OUTPUT_N_FEAT,
3099 l2output_get_feat_names (),
3100 am->fa_acl_out_ip4_l2_node_feat_next_node_index);
3102 feat_bitmap_init_next_nodes (vm, n6->index, L2OUTPUT_N_FEAT,
3103 l2output_get_feat_names (),
3104 am->fa_acl_out_ip6_l2_node_feat_next_node_index);
3108 acl_set_timeout_sec (int timeout_type, u32 value)
3110 acl_main_t *am = &acl_main;
3111 clib_time_t *ct = &am->vlib_main->clib_time;
3113 if (timeout_type < ACL_N_TIMEOUTS)
3115 am->session_timeout_sec[timeout_type] = value;
3119 clib_warning ("Unknown timeout type %d", timeout_type);
3122 am->session_timeout[timeout_type] =
3123 (u64) (((f64) value) / ct->seconds_per_clock);
3127 acl_set_session_max_entries (u32 value)
3129 acl_main_t *am = &acl_main;
3130 am->fa_conn_table_max_entries = value;
3134 acl_set_skip_ipv6_eh (u32 eh, u32 value)
3136 acl_main_t *am = &acl_main;
3138 if ((eh < 256) && (value < 2))
3140 am->fa_ipv6_known_eh_bitmap =
3141 clib_bitmap_set (am->fa_ipv6_known_eh_bitmap, eh, value);
3149 static clib_error_t *
3150 acl_sw_interface_add_del (vnet_main_t * vnm, u32 sw_if_index, u32 is_add)
3152 acl_main_t *am = &acl_main;
3153 if (0 == am->acl_mheap)
3155 /* ACL heap is not initialized, so definitely nothing to do. */
3160 int may_clear_sessions = 1;
3161 vlib_process_signal_event (am->vlib_main, am->fa_cleaner_node_index,
3162 ACL_FA_CLEANER_DELETE_BY_SW_IF_INDEX,
3164 /* also unapply any ACLs in case the users did not do so. */
3165 macip_acl_interface_del_acl (am, sw_if_index);
3166 acl_interface_reset_inout_acls (sw_if_index, 0, &may_clear_sessions);
3167 acl_interface_reset_inout_acls (sw_if_index, 1, &may_clear_sessions);
3172 VNET_SW_INTERFACE_ADD_DEL_FUNCTION (acl_sw_interface_add_del);
3176 static clib_error_t *
3177 acl_set_aclplugin_fn (vlib_main_t * vm,
3178 unformat_input_t * input, vlib_cli_command_t * cmd)
3180 clib_error_t *error = 0;
3184 uword memory_size = 0;
3185 acl_main_t *am = &acl_main;
3187 if (unformat (input, "skip-ipv6-extension-header %u %u", &eh_val, &val))
3189 if (!acl_set_skip_ipv6_eh (eh_val, val))
3191 error = clib_error_return (0, "expecting eh=0..255, value=0..1");
3195 if (unformat (input, "use-hash-acl-matching %u", &val))
3197 am->use_hash_acl_matching = (val != 0);
3200 if (unformat (input, "l4-match-nonfirst-fragment %u", &val))
3202 am->l4_match_nonfirst_fragment = (val != 0);
3205 if (unformat (input, "event-trace"))
3207 if (!unformat (input, "%u", &val))
3209 error = clib_error_return (0,
3210 "expecting trace level, got `%U`",
3211 format_unformat_error, input);
3216 am->trace_acl = val;
3220 if (unformat (input, "heap"))
3222 if (unformat (input, "main"))
3224 if (unformat (input, "validate %u", &val))
3225 acl_plugin_acl_set_validate_heap (am, val);
3226 else if (unformat (input, "trace %u", &val))
3227 acl_plugin_acl_set_trace_heap (am, val);
3230 else if (unformat (input, "hash"))
3232 if (unformat (input, "validate %u", &val))
3233 acl_plugin_hash_acl_set_validate_heap (val);
3234 else if (unformat (input, "trace %u", &val))
3235 acl_plugin_hash_acl_set_trace_heap (val);
3240 if (unformat (input, "session"))
3242 if (unformat (input, "table"))
3244 /* The commands here are for tuning/testing. No user-serviceable parts inside */
3245 if (unformat (input, "max-entries"))
3247 if (!unformat (input, "%u", &val))
3249 error = clib_error_return (0,
3250 "expecting maximum number of entries, got `%U`",
3251 format_unformat_error, input);
3256 acl_set_session_max_entries (val);
3260 if (unformat (input, "hash-table-buckets"))
3262 if (!unformat (input, "%u", &val))
3264 error = clib_error_return (0,
3265 "expecting maximum number of hash table buckets, got `%U`",
3266 format_unformat_error, input);
3271 am->fa_conn_table_hash_num_buckets = val;
3275 if (unformat (input, "hash-table-memory"))
3277 if (!unformat (input, "%U", unformat_memory_size, &memory_size))
3279 error = clib_error_return (0,
3280 "expecting maximum amount of hash table memory, got `%U`",
3281 format_unformat_error, input);
3286 am->fa_conn_table_hash_memory_size = memory_size;
3290 if (unformat (input, "event-trace"))
3292 if (!unformat (input, "%u", &val))
3294 error = clib_error_return (0,
3295 "expecting trace level, got `%U`",
3296 format_unformat_error, input);
3301 am->trace_sessions = val;
3307 if (unformat (input, "timeout"))
3309 if (unformat (input, "udp"))
3311 if (unformat (input, "idle"))
3313 if (!unformat (input, "%u", &timeout))
3315 error = clib_error_return (0,
3316 "expecting timeout value in seconds, got `%U`",
3317 format_unformat_error,
3323 acl_set_timeout_sec (ACL_TIMEOUT_UDP_IDLE, timeout);
3328 if (unformat (input, "tcp"))
3330 if (unformat (input, "idle"))
3332 if (!unformat (input, "%u", &timeout))
3334 error = clib_error_return (0,
3335 "expecting timeout value in seconds, got `%U`",
3336 format_unformat_error,
3342 acl_set_timeout_sec (ACL_TIMEOUT_TCP_IDLE, timeout);
3346 if (unformat (input, "transient"))
3348 if (!unformat (input, "%u", &timeout))
3350 error = clib_error_return (0,
3351 "expecting timeout value in seconds, got `%U`",
3352 format_unformat_error,
3358 acl_set_timeout_sec (ACL_TIMEOUT_TCP_TRANSIENT,
3372 my_format_mac_address (u8 * s, va_list * args)
3374 u8 *a = va_arg (*args, u8 *);
3375 return format (s, "%02x:%02x:%02x:%02x:%02x:%02x",
3376 a[0], a[1], a[2], a[3], a[4], a[5]);
3380 my_macip_acl_rule_t_pretty_format (u8 * out, va_list * args)
3382 macip_acl_rule_t *a = va_arg (*args, macip_acl_rule_t *);
3384 out = format (out, "%s action %d ip %U/%d mac %U mask %U",
3385 a->is_ipv6 ? "ipv6" : "ipv4", a->is_permit,
3386 format_ip46_address, &a->src_ip_addr,
3387 a->is_ipv6 ? IP46_TYPE_IP6 : IP46_TYPE_IP4,
3389 my_format_mac_address, a->src_mac,
3390 my_format_mac_address, a->src_mac_mask);
3395 macip_acl_print (acl_main_t * am, u32 macip_acl_index)
3397 vlib_main_t *vm = am->vlib_main;
3400 /* Don't try to print someone else's memory */
3401 if (macip_acl_index > vec_len (am->macip_acls))
3404 macip_acl_list_t *a = vec_elt_at_index (am->macip_acls, macip_acl_index);
3405 int free_pool_slot = pool_is_free_index (am->macip_acls, macip_acl_index);
3407 vlib_cli_output (vm,
3408 "MACIP acl_index: %d, count: %d (true len %d) tag {%s} is free pool slot: %d\n",
3409 macip_acl_index, a->count, vec_len (a->rules), a->tag,
3411 vlib_cli_output (vm,
3412 " ip4_table_index %d, ip6_table_index %d, l2_table_index %d\n",
3413 a->ip4_table_index, a->ip6_table_index, a->l2_table_index);
3414 vlib_cli_output (vm,
3415 " out_ip4_table_index %d, out_ip6_table_index %d, out_l2_table_index %d\n",
3416 a->out_ip4_table_index, a->out_ip6_table_index,
3417 a->out_l2_table_index);
3418 for (i = 0; i < vec_len (a->rules); i++)
3419 vlib_cli_output (vm, " rule %d: %U\n", i,
3420 my_macip_acl_rule_t_pretty_format,
3421 vec_elt_at_index (a->rules, i));
3425 static clib_error_t *
3426 acl_show_aclplugin_macip_acl_fn (vlib_main_t * vm,
3428 input, vlib_cli_command_t * cmd)
3430 clib_error_t *error = 0;
3431 acl_main_t *am = &acl_main;
3435 (void) unformat (input, "index %u", &acl_index);
3437 for (i = 0; i < vec_len (am->macip_acls); i++)
3439 /* Don't attempt to show the ACLs that do not exist */
3440 if (pool_is_free_index (am->macip_acls, i))
3443 if ((acl_index != ~0) && (acl_index != i))
3448 macip_acl_print (am, i);
3449 if (i < vec_len (am->sw_if_index_vec_by_macip_acl))
3451 vlib_cli_output (vm, " applied on sw_if_index(s): %U\n",
3453 vec_elt (am->sw_if_index_vec_by_macip_acl, i),
3461 static clib_error_t *
3462 acl_show_aclplugin_macip_interface_fn (vlib_main_t * vm,
3464 input, vlib_cli_command_t * cmd)
3466 clib_error_t *error = 0;
3467 acl_main_t *am = &acl_main;
3469 for (i = 0; i < vec_len (am->macip_acl_by_sw_if_index); i++)
3471 vlib_cli_output (vm, " sw_if_index %d: %d\n", i,
3472 vec_elt (am->macip_acl_by_sw_if_index, i));
3478 acl_plugin_show_acl (acl_main_t * am, u32 acl_index)
3481 vlib_main_t *vm = am->vlib_main;
3483 for (i = 0; i < vec_len (am->acls); i++)
3485 if (acl_is_not_defined (am, i))
3487 /* don't attempt to show the ACLs that do not exist */
3490 if ((acl_index != ~0) && (acl_index != i))
3494 acl_print_acl (vm, am, i);
3496 if (i < vec_len (am->input_sw_if_index_vec_by_acl))
3498 vlib_cli_output (vm, " applied inbound on sw_if_index: %U\n",
3499 format_vec32, am->input_sw_if_index_vec_by_acl[i],
3502 if (i < vec_len (am->output_sw_if_index_vec_by_acl))
3504 vlib_cli_output (vm, " applied outbound on sw_if_index: %U\n",
3505 format_vec32, am->output_sw_if_index_vec_by_acl[i],
3508 if (i < vec_len (am->lc_index_vec_by_acl))
3510 vlib_cli_output (vm, " used in lookup context index: %U\n",
3511 format_vec32, am->lc_index_vec_by_acl[i], "%d");
3516 static clib_error_t *
3517 acl_show_aclplugin_acl_fn (vlib_main_t * vm,
3518 unformat_input_t * input, vlib_cli_command_t * cmd)
3520 clib_error_t *error = 0;
3521 acl_main_t *am = &acl_main;
3524 (void) unformat (input, "index %u", &acl_index);
3526 acl_plugin_show_acl (am, acl_index);
3530 static clib_error_t *
3531 acl_show_aclplugin_lookup_context_fn (vlib_main_t * vm,
3532 unformat_input_t * input,
3533 vlib_cli_command_t * cmd)
3535 clib_error_t *error = 0;
3538 (void) unformat (input, "index %u", &lc_index);
3540 acl_plugin_show_lookup_context (lc_index);
3544 static clib_error_t *
3545 acl_show_aclplugin_lookup_user_fn (vlib_main_t * vm,
3546 unformat_input_t * input,
3547 vlib_cli_command_t * cmd)
3549 clib_error_t *error = 0;
3552 (void) unformat (input, "index %u", &lc_index);
3554 acl_plugin_show_lookup_user (lc_index);
3560 acl_plugin_show_interface (acl_main_t * am, u32 sw_if_index, int show_acl,
3563 vlib_main_t *vm = am->vlib_main;
3566 for (swi = 0; (swi < vec_len (am->input_acl_vec_by_sw_if_index)) ||
3567 (swi < vec_len (am->output_acl_vec_by_sw_if_index)); swi++)
3569 /* if we need a particular interface, skip all the others */
3570 if ((sw_if_index != ~0) && (sw_if_index != swi))
3573 vlib_cli_output (vm, "sw_if_index %d:\n", swi);
3575 if (intf_has_etype_whitelist (am, swi, 1))
3577 vlib_cli_output (vm, " input etype whitelist: %U", format_vec16,
3578 am->input_etype_whitelist_by_sw_if_index[swi],
3581 if (intf_has_etype_whitelist (am, swi, 0))
3583 vlib_cli_output (vm, " output etype whitelist: %U", format_vec16,
3584 am->output_etype_whitelist_by_sw_if_index[swi],
3588 if ((swi < vec_len (am->input_acl_vec_by_sw_if_index)) &&
3589 (vec_len (am->input_acl_vec_by_sw_if_index[swi]) > 0))
3591 vlib_cli_output (vm, " input acl(s): %U", format_vec32,
3592 am->input_acl_vec_by_sw_if_index[swi], "%d");
3595 vlib_cli_output (vm, "\n");
3596 vec_foreach (pj, am->input_acl_vec_by_sw_if_index[swi])
3598 acl_print_acl (vm, am, *pj);
3600 vlib_cli_output (vm, "\n");
3604 if ((swi < vec_len (am->output_acl_vec_by_sw_if_index)) &&
3605 (vec_len (am->output_acl_vec_by_sw_if_index[swi]) > 0))
3607 vlib_cli_output (vm, " output acl(s): %U", format_vec32,
3608 am->output_acl_vec_by_sw_if_index[swi], "%d");
3611 vlib_cli_output (vm, "\n");
3612 vec_foreach (pj, am->output_acl_vec_by_sw_if_index[swi])
3614 acl_print_acl (vm, am, *pj);
3616 vlib_cli_output (vm, "\n");
3619 if (detail && (swi < vec_len (am->input_lc_index_by_sw_if_index)))
3621 vlib_cli_output (vm, " input lookup context index: %d",
3622 am->input_lc_index_by_sw_if_index[swi]);
3624 if (detail && (swi < vec_len (am->output_lc_index_by_sw_if_index)))
3626 vlib_cli_output (vm, " output lookup context index: %d",
3627 am->output_lc_index_by_sw_if_index[swi]);
3634 static clib_error_t *
3635 acl_show_aclplugin_decode_5tuple_fn (vlib_main_t * vm,
3636 unformat_input_t * input,
3637 vlib_cli_command_t * cmd)
3639 clib_error_t *error = 0;
3640 u64 five_tuple[6] = { 0, 0, 0, 0, 0, 0 };
3643 (input, "%llx %llx %llx %llx %llx %llx", &five_tuple[0], &five_tuple[1],
3644 &five_tuple[2], &five_tuple[3], &five_tuple[4], &five_tuple[5]))
3645 vlib_cli_output (vm, "5-tuple structure decode: %U\n\n",
3646 format_acl_plugin_5tuple, five_tuple);
3648 error = clib_error_return (0, "expecting 6 hex integers");
3653 static clib_error_t *
3654 acl_show_aclplugin_interface_fn (vlib_main_t * vm,
3656 input, vlib_cli_command_t * cmd)
3658 clib_error_t *error = 0;
3659 acl_main_t *am = &acl_main;
3661 u32 sw_if_index = ~0;
3662 (void) unformat (input, "sw_if_index %u", &sw_if_index);
3663 int show_acl = unformat (input, "acl");
3664 int detail = unformat (input, "detail");
3666 acl_plugin_show_interface (am, sw_if_index, show_acl, detail);
3670 static clib_error_t *
3671 acl_show_aclplugin_memory_fn (vlib_main_t * vm,
3672 unformat_input_t * input,
3673 vlib_cli_command_t * cmd)
3675 clib_error_t *error = 0;
3676 acl_main_t *am = &acl_main;
3678 vlib_cli_output (vm, "ACL plugin main heap statistics:\n");
3681 vlib_cli_output (vm, " %U\n", format_mheap, am->acl_mheap, 1);
3685 vlib_cli_output (vm, " Not initialized\n");
3687 vlib_cli_output (vm, "ACL hash lookup support heap statistics:\n");
3688 if (am->hash_lookup_mheap)
3690 vlib_cli_output (vm, " %U\n", format_mheap, am->hash_lookup_mheap, 1);
3694 vlib_cli_output (vm, " Not initialized\n");
3700 acl_plugin_show_sessions (acl_main_t * am,
3701 u32 show_session_thread_id,
3702 u32 show_session_session_index)
3704 vlib_main_t *vm = am->vlib_main;
3706 vnet_interface_main_t *im = &am->vnet_main->interface_main;
3707 vnet_sw_interface_t *swif;
3710 u64 n_adds = am->fa_session_total_adds;
3711 u64 n_dels = am->fa_session_total_dels;
3712 vlib_cli_output (vm, "Sessions total: add %lu - del %lu = %lu", n_adds,
3713 n_dels, n_adds - n_dels);
3715 vlib_cli_output (vm, "\n\nPer-thread data:");
3716 for (wk = 0; wk < vec_len (am->per_worker_data); wk++)
3718 acl_fa_per_worker_data_t *pw = &am->per_worker_data[wk];
3719 vlib_cli_output (vm, "Thread #%d:", wk);
3720 if (show_session_thread_id == wk
3721 && show_session_session_index < pool_len (pw->fa_sessions_pool))
3723 vlib_cli_output (vm, " session index %u:",
3724 show_session_session_index);
3725 fa_session_t *sess =
3726 pw->fa_sessions_pool + show_session_session_index;
3727 u64 *m = (u64 *) & sess->info;
3728 vlib_cli_output (vm,
3729 " info: %016llx %016llx %016llx %016llx %016llx %016llx",
3730 m[0], m[1], m[2], m[3], m[4], m[5]);
3731 vlib_cli_output (vm, " sw_if_index: %u", sess->sw_if_index);
3732 vlib_cli_output (vm, " tcp_flags_seen: %x",
3733 sess->tcp_flags_seen.as_u16);
3734 vlib_cli_output (vm, " last active time: %lu",
3735 sess->last_active_time);
3736 vlib_cli_output (vm, " thread index: %u", sess->thread_index);
3737 vlib_cli_output (vm, " link enqueue time: %lu",
3738 sess->link_enqueue_time);
3739 vlib_cli_output (vm, " link next index: %u",
3740 sess->link_next_idx);
3741 vlib_cli_output (vm, " link prev index: %u",
3742 sess->link_prev_idx);
3743 vlib_cli_output (vm, " link list id: %u", sess->link_list_id);
3745 vlib_cli_output (vm, " connection add/del stats:", wk);
3746 pool_foreach (swif, im->sw_interfaces, (
3753 (pw->fa_session_adds_by_sw_if_index)
3755 pw->fa_session_adds_by_sw_if_index
3760 (pw->fa_session_dels_by_sw_if_index)
3762 pw->fa_session_dels_by_sw_if_index
3764 vlib_cli_output (vm,
3765 " sw_if_index %d: add %lu - del %lu = %lu",
3774 vlib_cli_output (vm, " connection timeout type lists:", wk);
3776 for (tt = 0; tt < ACL_N_TIMEOUTS; tt++)
3778 u32 head_session_index = pw->fa_conn_list_head[tt];
3779 vlib_cli_output (vm, " fa_conn_list_head[%d]: %d", tt,
3780 head_session_index);
3781 if (~0 != head_session_index)
3783 fa_session_t *sess = pw->fa_sessions_pool + head_session_index;
3784 vlib_cli_output (vm, " last active time: %lu",
3785 sess->last_active_time);
3786 vlib_cli_output (vm, " link enqueue time: %lu",
3787 sess->link_enqueue_time);
3791 vlib_cli_output (vm, " Next expiry time: %lu", pw->next_expiry_time);
3792 vlib_cli_output (vm, " Requeue until time: %lu",
3793 pw->requeue_until_time);
3794 vlib_cli_output (vm, " Current time wait interval: %lu",
3795 pw->current_time_wait_interval);
3796 vlib_cli_output (vm, " Count of deleted sessions: %lu",
3797 pw->cnt_deleted_sessions);
3798 vlib_cli_output (vm, " Delete already deleted: %lu",
3799 pw->cnt_already_deleted_sessions);
3800 vlib_cli_output (vm, " Session timers restarted: %lu",
3801 pw->cnt_session_timer_restarted);
3802 vlib_cli_output (vm, " Swipe until this time: %lu",
3803 pw->swipe_end_time);
3804 vlib_cli_output (vm, " sw_if_index serviced bitmap: %U",
3805 format_bitmap_hex, pw->serviced_sw_if_index_bitmap);
3806 vlib_cli_output (vm, " pending clear intfc bitmap : %U",
3808 pw->pending_clear_sw_if_index_bitmap);
3809 vlib_cli_output (vm, " clear in progress: %u", pw->clear_in_process);
3810 vlib_cli_output (vm, " interrupt is pending: %d",
3811 pw->interrupt_is_pending);
3812 vlib_cli_output (vm, " interrupt is needed: %d",
3813 pw->interrupt_is_needed);
3814 vlib_cli_output (vm, " interrupt is unwanted: %d",
3815 pw->interrupt_is_unwanted);
3816 vlib_cli_output (vm, " interrupt generation: %d",
3817 pw->interrupt_generation);
3819 vlib_cli_output (vm, "\n\nConn cleaner thread counters:");
3820 #define _(cnt, desc) vlib_cli_output(vm, " %20lu: %s", am->cnt, desc);
3821 foreach_fa_cleaner_counter;
3823 vlib_cli_output (vm, "Interrupt generation: %d",
3824 am->fa_interrupt_generation);
3825 vlib_cli_output (vm,
3826 "Sessions per interval: min %lu max %lu increment: %f ms current: %f ms",
3827 am->fa_min_deleted_sessions_per_interval,
3828 am->fa_max_deleted_sessions_per_interval,
3829 am->fa_cleaner_wait_time_increment * 1000.0,
3830 ((f64) am->fa_current_cleaner_timer_wait_interval) *
3831 1000.0 / (f64) vm->clib_time.clocks_per_second);
3834 static clib_error_t *
3835 acl_show_aclplugin_sessions_fn (vlib_main_t * vm,
3836 unformat_input_t * input,
3837 vlib_cli_command_t * cmd)
3839 clib_error_t *error = 0;
3840 acl_main_t *am = &acl_main;
3842 u32 show_bihash_verbose = 0;
3843 u32 show_session_thread_id = ~0;
3844 u32 show_session_session_index = ~0;
3845 (void) unformat (input, "thread %u index %u", &show_session_thread_id,
3846 &show_session_session_index);
3847 (void) unformat (input, "verbose %u", &show_bihash_verbose);
3849 acl_plugin_show_sessions (am, show_session_thread_id,
3850 show_session_session_index);
3851 show_fa_sessions_hash (vm, show_bihash_verbose);
3855 static clib_error_t *
3856 acl_show_aclplugin_tables_fn (vlib_main_t * vm,
3857 unformat_input_t * input,
3858 vlib_cli_command_t * cmd)
3860 clib_error_t *error = 0;
3863 u32 sw_if_index = ~0;
3864 int show_acl_hash_info = 0;
3865 int show_applied_info = 0;
3866 int show_mask_type = 0;
3867 int show_bihash = 0;
3868 u32 show_bihash_verbose = 0;
3870 if (unformat (input, "acl"))
3872 show_acl_hash_info = 1;
3873 /* mask-type is handy to see as well right there */
3875 unformat (input, "index %u", &acl_index);
3877 else if (unformat (input, "applied"))
3879 show_applied_info = 1;
3880 unformat (input, "sw_if_index %u", &sw_if_index);
3882 else if (unformat (input, "mask"))
3886 else if (unformat (input, "hash"))
3889 unformat (input, "verbose %u", &show_bihash_verbose);
3893 (show_mask_type || show_acl_hash_info || show_applied_info
3896 /* if no qualifiers specified, show all */
3898 show_acl_hash_info = 1;
3899 show_applied_info = 1;
3903 acl_plugin_show_tables_mask_type ();
3904 if (show_acl_hash_info)
3905 acl_plugin_show_tables_acl_hash_info (acl_index);
3906 if (show_applied_info)
3907 acl_plugin_show_tables_applied_info (sw_if_index);
3909 acl_plugin_show_tables_bihash (show_bihash_verbose);
3914 static clib_error_t *
3915 acl_clear_aclplugin_fn (vlib_main_t * vm,
3916 unformat_input_t * input, vlib_cli_command_t * cmd)
3918 clib_error_t *error = 0;
3919 acl_main_t *am = &acl_main;
3920 vlib_process_signal_event (am->vlib_main, am->fa_cleaner_node_index,
3921 ACL_FA_CLEANER_DELETE_BY_SW_IF_INDEX, ~0);
3926 VLIB_CLI_COMMAND (aclplugin_set_command, static) = {
3927 .path = "set acl-plugin",
3928 .short_help = "set acl-plugin session timeout {{udp idle}|tcp {idle|transient}} <seconds>",
3929 .function = acl_set_aclplugin_fn,
3932 VLIB_CLI_COMMAND (aclplugin_show_acl_command, static) = {
3933 .path = "show acl-plugin acl",
3934 .short_help = "show acl-plugin acl [index N]",
3935 .function = acl_show_aclplugin_acl_fn,
3938 VLIB_CLI_COMMAND (aclplugin_show_lookup_context_command, static) = {
3939 .path = "show acl-plugin lookup context",
3940 .short_help = "show acl-plugin lookup context [index N]",
3941 .function = acl_show_aclplugin_lookup_context_fn,
3944 VLIB_CLI_COMMAND (aclplugin_show_lookup_user_command, static) = {
3945 .path = "show acl-plugin lookup user",
3946 .short_help = "show acl-plugin lookup user [index N]",
3947 .function = acl_show_aclplugin_lookup_user_fn,
3950 VLIB_CLI_COMMAND (aclplugin_show_decode_5tuple_command, static) = {
3951 .path = "show acl-plugin decode 5tuple",
3952 .short_help = "show acl-plugin decode 5tuple XXXX XXXX XXXX XXXX XXXX XXXX",
3953 .function = acl_show_aclplugin_decode_5tuple_fn,
3956 VLIB_CLI_COMMAND (aclplugin_show_interface_command, static) = {
3957 .path = "show acl-plugin interface",
3958 .short_help = "show acl-plugin interface [sw_if_index N] [acl]",
3959 .function = acl_show_aclplugin_interface_fn,
3962 VLIB_CLI_COMMAND (aclplugin_show_memory_command, static) = {
3963 .path = "show acl-plugin memory",
3964 .short_help = "show acl-plugin memory",
3965 .function = acl_show_aclplugin_memory_fn,
3968 VLIB_CLI_COMMAND (aclplugin_show_sessions_command, static) = {
3969 .path = "show acl-plugin sessions",
3970 .short_help = "show acl-plugin sessions",
3971 .function = acl_show_aclplugin_sessions_fn,
3974 VLIB_CLI_COMMAND (aclplugin_show_tables_command, static) = {
3975 .path = "show acl-plugin tables",
3976 .short_help = "show acl-plugin tables [ acl [index N] | applied [ sw_if_index N ] | mask | hash [verbose N] ]",
3977 .function = acl_show_aclplugin_tables_fn,
3980 VLIB_CLI_COMMAND (aclplugin_show_macip_acl_command, static) = {
3981 .path = "show acl-plugin macip acl",
3982 .short_help = "show acl-plugin macip acl [index N]",
3983 .function = acl_show_aclplugin_macip_acl_fn,
3986 VLIB_CLI_COMMAND (aclplugin_show_macip_interface_command, static) = {
3987 .path = "show acl-plugin macip interface",
3988 .short_help = "show acl-plugin macip interface",
3989 .function = acl_show_aclplugin_macip_interface_fn,
3992 VLIB_CLI_COMMAND (aclplugin_clear_command, static) = {
3993 .path = "clear acl-plugin sessions",
3994 .short_help = "clear acl-plugin sessions",
3995 .function = acl_clear_aclplugin_fn,
3999 static clib_error_t *
4000 acl_plugin_config (vlib_main_t * vm, unformat_input_t * input)
4002 acl_main_t *am = &acl_main;
4003 u32 conn_table_hash_buckets;
4004 u32 conn_table_hash_memory_size;
4005 u32 conn_table_max_entries;
4006 uword main_heap_size;
4007 uword hash_heap_size;
4008 u32 hash_lookup_hash_buckets;
4009 u32 hash_lookup_hash_memory;
4011 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
4014 (input, "connection hash buckets %d", &conn_table_hash_buckets))
4015 am->fa_conn_table_hash_num_buckets = conn_table_hash_buckets;
4016 else if (unformat (input, "connection hash memory %d",
4017 &conn_table_hash_memory_size))
4018 am->fa_conn_table_hash_memory_size = conn_table_hash_memory_size;
4019 else if (unformat (input, "connection count max %d",
4020 &conn_table_max_entries))
4021 am->fa_conn_table_max_entries = conn_table_max_entries;
4024 (input, "main heap size %U", unformat_memory_size,
4026 am->acl_mheap_size = main_heap_size;
4029 (input, "hash lookup heap size %U", unformat_memory_size,
4031 am->hash_lookup_mheap_size = hash_heap_size;
4032 else if (unformat (input, "hash lookup hash buckets %d",
4033 &hash_lookup_hash_buckets))
4034 am->hash_lookup_hash_buckets = hash_lookup_hash_buckets;
4035 else if (unformat (input, "hash lookup hash memory %d",
4036 &hash_lookup_hash_memory))
4037 am->hash_lookup_hash_memory = hash_lookup_hash_memory;
4039 return clib_error_return (0, "unknown input '%U'",
4040 format_unformat_error, input);
4045 VLIB_CONFIG_FUNCTION (acl_plugin_config, "acl-plugin");
4047 static clib_error_t *
4048 acl_init (vlib_main_t * vm)
4050 acl_main_t *am = &acl_main;
4051 clib_error_t *error = 0;
4052 memset (am, 0, sizeof (*am));
4054 am->vnet_main = vnet_get_main ();
4056 u8 *name = format (0, "acl_%08x%c", api_version, 0);
4058 /* Ask for a correctly-sized block of API message decode slots */
4059 am->msg_id_base = vl_msg_api_get_msg_ids ((char *) name,
4060 VL_MSG_FIRST_AVAILABLE);
4062 error = acl_plugin_api_hookup (vm);
4064 /* Add our API messages to the global name_crc hash table */
4065 setup_message_id_table (am, &api_main);
4069 acl_setup_fa_nodes ();
4071 am->acl_mheap_size = 0; /* auto size when initializing */
4072 am->hash_lookup_mheap_size = ACL_PLUGIN_HASH_LOOKUP_HEAP_SIZE;
4074 am->hash_lookup_hash_buckets = ACL_PLUGIN_HASH_LOOKUP_HASH_BUCKETS;
4075 am->hash_lookup_hash_memory = ACL_PLUGIN_HASH_LOOKUP_HASH_MEMORY;
4077 am->session_timeout_sec[ACL_TIMEOUT_TCP_TRANSIENT] =
4078 TCP_SESSION_TRANSIENT_TIMEOUT_SEC;
4079 am->session_timeout_sec[ACL_TIMEOUT_TCP_IDLE] =
4080 TCP_SESSION_IDLE_TIMEOUT_SEC;
4081 am->session_timeout_sec[ACL_TIMEOUT_UDP_IDLE] =
4082 UDP_SESSION_IDLE_TIMEOUT_SEC;
4084 am->fa_conn_table_hash_num_buckets =
4085 ACL_FA_CONN_TABLE_DEFAULT_HASH_NUM_BUCKETS;
4086 am->fa_conn_table_hash_memory_size =
4087 ACL_FA_CONN_TABLE_DEFAULT_HASH_MEMORY_SIZE;
4088 am->fa_conn_table_max_entries = ACL_FA_CONN_TABLE_DEFAULT_MAX_ENTRIES;
4089 vlib_thread_main_t *tm = vlib_get_thread_main ();
4090 vec_validate (am->per_worker_data, tm->n_vlib_mains - 1);
4094 for (wk = 0; wk < vec_len (am->per_worker_data); wk++)
4096 acl_fa_per_worker_data_t *pw = &am->per_worker_data[wk];
4097 vec_validate (pw->fa_conn_list_head, ACL_N_TIMEOUTS - 1);
4098 vec_validate (pw->fa_conn_list_tail, ACL_N_TIMEOUTS - 1);
4099 for (tt = 0; tt < ACL_N_TIMEOUTS; tt++)
4101 pw->fa_conn_list_head[tt] = ~0;
4102 pw->fa_conn_list_tail[tt] = ~0;
4107 am->fa_min_deleted_sessions_per_interval =
4108 ACL_FA_DEFAULT_MIN_DELETED_SESSIONS_PER_INTERVAL;
4109 am->fa_max_deleted_sessions_per_interval =
4110 ACL_FA_DEFAULT_MAX_DELETED_SESSIONS_PER_INTERVAL;
4111 am->fa_cleaner_wait_time_increment =
4112 ACL_FA_DEFAULT_CLEANER_WAIT_TIME_INCREMENT;
4114 am->fa_cleaner_cnt_delete_by_sw_index = 0;
4115 am->fa_cleaner_cnt_delete_by_sw_index_ok = 0;
4116 am->fa_cleaner_cnt_unknown_event = 0;
4117 am->fa_cleaner_cnt_timer_restarted = 0;
4118 am->fa_cleaner_cnt_wait_with_timeout = 0;
4121 #define _(N, v, s) am->fa_ipv6_known_eh_bitmap = clib_bitmap_set(am->fa_ipv6_known_eh_bitmap, v, 1);
4124 am->l4_match_nonfirst_fragment = 1;
4126 /* use the new fancy hash-based matching */
4127 am->use_hash_acl_matching = 1;
4129 am->interface_acl_user_id = ~0; /* defer till the first use */
4134 VLIB_INIT_FUNCTION (acl_init);
4138 * fd.io coding-style-patch-verification: ON
4141 * eval: (c-set-style "gnu")