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 am->acl_mheap = mheap_alloc (0 /* use VM */ , am->acl_mheap_size);
125 mheap_t *h = mheap_header (am->acl_mheap);
126 h->flags |= MHEAP_FLAG_THREAD_SAFE;
128 void *oldheap = clib_mem_set_heap (am->acl_mheap);
133 acl_plugin_acl_set_validate_heap (acl_main_t * am, int on)
135 clib_mem_set_heap (acl_set_heap (am));
136 mheap_t *h = mheap_header (am->acl_mheap);
139 h->flags |= MHEAP_FLAG_VALIDATE;
140 h->flags &= ~MHEAP_FLAG_SMALL_OBJECT_CACHE;
145 h->flags &= ~MHEAP_FLAG_VALIDATE;
146 h->flags |= MHEAP_FLAG_SMALL_OBJECT_CACHE;
151 acl_plugin_acl_set_trace_heap (acl_main_t * am, int on)
153 clib_mem_set_heap (acl_set_heap (am));
154 mheap_t *h = mheap_header (am->acl_mheap);
157 h->flags |= MHEAP_FLAG_TRACE;
161 h->flags &= ~MHEAP_FLAG_TRACE;
166 vl_api_acl_plugin_get_version_t_handler (vl_api_acl_plugin_get_version_t * mp)
168 acl_main_t *am = &acl_main;
169 vl_api_acl_plugin_get_version_reply_t *rmp;
170 int msg_size = sizeof (*rmp);
171 vl_api_registration_t *reg;
173 reg = vl_api_client_index_to_registration (mp->client_index);
177 rmp = vl_msg_api_alloc (msg_size);
178 memset (rmp, 0, msg_size);
180 ntohs (VL_API_ACL_PLUGIN_GET_VERSION_REPLY + am->msg_id_base);
181 rmp->context = mp->context;
182 rmp->major = htonl (ACL_PLUGIN_VERSION_MAJOR);
183 rmp->minor = htonl (ACL_PLUGIN_VERSION_MINOR);
185 vl_api_send_msg (reg, (u8 *) rmp);
189 vl_api_acl_plugin_control_ping_t_handler (vl_api_acl_plugin_control_ping_t *
192 vl_api_acl_plugin_control_ping_reply_t *rmp;
193 acl_main_t *am = &acl_main;
197 REPLY_MACRO2 (VL_API_ACL_PLUGIN_CONTROL_PING_REPLY,
199 rmp->vpe_pid = ntohl (getpid ());
205 print_clib_warning_and_reset (vlib_main_t * vm, u8 * out0)
207 clib_warning ("%v", out0);
208 vec_reset_length (out0);
212 print_cli_and_reset (vlib_main_t * vm, u8 * out0)
214 vlib_cli_output (vm, "%v", out0);
215 vec_reset_length (out0);
218 typedef void (*acl_vector_print_func_t) (vlib_main_t * vm, u8 * out0);
221 acl_print_acl_x (acl_vector_print_func_t vpr, vlib_main_t * vm,
222 acl_main_t * am, int acl_index)
225 u8 *out0 = format (0, "acl-index %u count %u tag {%s}\n", acl_index,
226 am->acls[acl_index].count, am->acls[acl_index].tag);
229 for (j = 0; j < am->acls[acl_index].count; j++)
231 r = &am->acls[acl_index].rules[j];
232 out0 = format (out0, " %4d: %s ", j, r->is_ipv6 ? "ipv6" : "ipv4");
233 out0 = format_acl_action (out0, r->is_permit);
234 out0 = format (out0, " src %U/%d", format_ip46_address, &r->src,
235 r->is_ipv6 ? IP46_TYPE_IP6 : IP46_TYPE_IP4,
238 format (out0, " dst %U/%d", format_ip46_address, &r->dst,
239 r->is_ipv6 ? IP46_TYPE_IP6 : IP46_TYPE_IP4, r->dst_prefixlen);
240 out0 = format (out0, " proto %d", r->proto);
241 out0 = format (out0, " sport %d", r->src_port_or_type_first);
242 if (r->src_port_or_type_first != r->src_port_or_type_last)
244 out0 = format (out0, "-%d", r->src_port_or_type_last);
246 out0 = format (out0, " dport %d", r->dst_port_or_code_first);
247 if (r->dst_port_or_code_first != r->dst_port_or_code_last)
249 out0 = format (out0, "-%d", r->dst_port_or_code_last);
251 if (r->tcp_flags_mask || r->tcp_flags_value)
254 format (out0, " tcpflags %d mask %d", r->tcp_flags_value,
257 out0 = format (out0, "\n");
263 acl_print_acl (vlib_main_t * vm, acl_main_t * am, int acl_index)
265 acl_print_acl_x (print_cli_and_reset, vm, am, acl_index);
269 warning_acl_print_acl (vlib_main_t * vm, acl_main_t * am, int acl_index)
271 acl_print_acl_x (print_clib_warning_and_reset, vm, am, acl_index);
276 acl_add_list (u32 count, vl_api_acl_rule_t rules[],
277 u32 * acl_list_index, u8 * tag)
279 acl_main_t *am = &acl_main;
282 acl_rule_t *acl_new_rules = 0;
285 if (am->trace_acl > 255)
286 clib_warning ("API dbg: acl_add_list index %d tag %s", *acl_list_index,
289 if (*acl_list_index != ~0)
291 /* They supplied some number, let's see if this ACL exists */
292 if (pool_is_free_index (am->acls, *acl_list_index))
294 /* tried to replace a non-existent ACL, no point doing anything */
296 ("acl-plugin-error: Trying to replace nonexistent ACL %d (tag %s)",
297 *acl_list_index, tag);
298 return VNET_API_ERROR_NO_SUCH_ENTRY;
304 ("acl-plugin-warning: supplied no rules for ACL %d (tag %s)",
305 *acl_list_index, tag);
308 void *oldheap = acl_set_heap (am);
310 /* Create and populate the rules */
312 vec_validate (acl_new_rules, count - 1);
314 for (i = 0; i < count; i++)
316 r = vec_elt_at_index (acl_new_rules, i);
317 memset (r, 0, sizeof (*r));
318 r->is_permit = rules[i].is_permit;
319 r->is_ipv6 = rules[i].is_ipv6;
322 memcpy (&r->src, rules[i].src_ip_addr, sizeof (r->src));
323 memcpy (&r->dst, rules[i].dst_ip_addr, sizeof (r->dst));
327 memcpy (&r->src.ip4, rules[i].src_ip_addr, sizeof (r->src.ip4));
328 memcpy (&r->dst.ip4, rules[i].dst_ip_addr, sizeof (r->dst.ip4));
330 r->src_prefixlen = rules[i].src_ip_prefix_len;
331 r->dst_prefixlen = rules[i].dst_ip_prefix_len;
332 r->proto = rules[i].proto;
333 r->src_port_or_type_first = ntohs (rules[i].srcport_or_icmptype_first);
334 r->src_port_or_type_last = ntohs (rules[i].srcport_or_icmptype_last);
335 r->dst_port_or_code_first = ntohs (rules[i].dstport_or_icmpcode_first);
336 r->dst_port_or_code_last = ntohs (rules[i].dstport_or_icmpcode_last);
337 r->tcp_flags_value = rules[i].tcp_flags_value;
338 r->tcp_flags_mask = rules[i].tcp_flags_mask;
341 if (~0 == *acl_list_index)
344 pool_get_aligned (am->acls, a, CLIB_CACHE_LINE_BYTES);
345 memset (a, 0, sizeof (*a));
346 /* Will return the newly allocated ACL index */
347 *acl_list_index = a - am->acls;
351 a = am->acls + *acl_list_index;
352 /* Get rid of the old rules */
356 a->rules = acl_new_rules;
358 memcpy (a->tag, tag, sizeof (a->tag));
359 if (am->trace_acl > 255)
360 warning_acl_print_acl (am->vlib_main, am, *acl_list_index);
361 /* notify the lookup contexts about the ACL changes */
362 acl_plugin_lookup_context_notify_acl_change (*acl_list_index);
363 clib_mem_set_heap (oldheap);
368 acl_is_used_by (u32 acl_index, u32 ** foo_index_vec_by_acl)
370 if (acl_index < vec_len (foo_index_vec_by_acl))
372 if (vec_len (vec_elt (foo_index_vec_by_acl, acl_index)) > 0)
374 /* ACL is applied somewhere. */
382 acl_del_list (u32 acl_list_index)
384 acl_main_t *am = &acl_main;
386 if (pool_is_free_index (am->acls, acl_list_index))
388 return VNET_API_ERROR_NO_SUCH_ENTRY;
390 if (acl_is_used_by (acl_list_index, am->input_sw_if_index_vec_by_acl))
391 return VNET_API_ERROR_ACL_IN_USE_INBOUND;
392 if (acl_is_used_by (acl_list_index, am->output_sw_if_index_vec_by_acl))
393 return VNET_API_ERROR_ACL_IN_USE_OUTBOUND;
394 /* lookup contexts cover other cases, not just inbound/oubound, so check that */
395 if (acl_is_used_by (acl_list_index, am->lc_index_vec_by_acl))
396 return VNET_API_ERROR_ACL_IN_USE_BY_LOOKUP_CONTEXT;
398 void *oldheap = acl_set_heap (am);
400 /* now we can delete the ACL itself */
401 a = pool_elt_at_index (am->acls, acl_list_index);
404 pool_put (am->acls, a);
405 /* acl_list_index is now free, notify the lookup contexts */
406 acl_plugin_lookup_context_notify_acl_change (acl_list_index);
407 clib_mem_set_heap (oldheap);
411 /* Some aids in ASCII graphing the content */
418 u8 ip4_5tuple_mask[] =
419 _(" dmac smac etype ")
420 _(ether) __ __ __ __ __ __ v __ __ __ __ __ __ v __ __ v
427 _(" ttl pr checksum ")
436 _("L4 T/U sport dport ")
446 u8 ip6_5tuple_mask[] =
447 _(" dmac smac etype ")
448 _(ether) __ __ __ __ __ __ v __ __ __ __ __ __ v __ __ v
450 _(0x0000) __ __ __ __
452 _(0x0004) __ __ XX __
454 _(0x0008) XX XX XX XX
455 _(0x000C) XX XX XX XX
456 _(0x0010) XX XX XX XX
457 _(0x0014) XX XX XX XX
459 _(0x0018) XX XX XX XX
460 _(0x001C) XX XX XX XX
461 _(0x0020) XX XX XX XX
462 _(0x0024) XX XX XX XX
463 _("L4T/U sport dport ")
464 _(tcpudp) XX XX XX XX _(padpad) __ __ __ __ _(padeth) __ __;
466 u8 dot1q_5tuple_mask[] =
467 _(" dmac smac dot1q etype ")
468 _(ether) __ __ __ __ __ __ v __ __ __ __ __ __ v XX XX __ __ v XX XX v
469 _(padpad) __ __ __ __
470 _(padpad) __ __ __ __
471 _(padpad) __ __ __ __
474 u8 dot1ad_5tuple_mask[] =
475 _(" dmac smac dot1ad dot1q etype ")
476 _(ether) __ __ __ __ __ __ v __ __ __ __ __ __ v XX XX __ __ XX XX __ __ v XX XX v
477 _(padpad) __ __ __ __
478 _(padpad) __ __ __ __
481 u8 ethertype_mask[] =
482 _(" dmac smac etype ")
483 _(ether) __ __ __ __ __ __ v __ __ __ __ __ __ v XX XX __ __;
492 count_skip (u8 * p, u32 size)
494 u64 *p64 = (u64 *) p;
495 /* Be tolerant to null pointer */
499 while ((0ULL == *p64) && ((u8 *) p64 - p) < size)
503 return (p64 - (u64 *) p) / 2;
507 acl_classify_add_del_table_tiny (vnet_classify_main_t * cm, u8 * mask,
508 u32 mask_len, u32 next_table_index,
509 u32 miss_next_index, u32 * table_index,
513 u32 memory_size = 2 << 13;
514 u32 skip = count_skip (mask, mask_len);
515 u32 match = (mask_len / 16) - skip;
516 u8 *skip_mask_ptr = mask + 16 * skip;
517 u32 current_data_flag = 0;
518 int current_data_offset = 0;
522 void *oldheap = clib_mem_set_heap (cm->vlib_main->heap_base);
523 int ret = vnet_classify_add_del_table (cm, skip_mask_ptr, nbuckets,
524 memory_size, skip, match,
525 next_table_index, miss_next_index,
526 table_index, current_data_flag,
527 current_data_offset, is_add,
528 1 /* delete_chain */ );
529 clib_mem_set_heap (oldheap);
534 acl_classify_add_del_table_small (vnet_classify_main_t * cm, u8 * mask,
535 u32 mask_len, u32 next_table_index,
536 u32 miss_next_index, u32 * table_index,
540 u32 memory_size = 2 << 22;
541 u32 skip = count_skip (mask, mask_len);
542 u32 match = (mask_len / 16) - skip;
543 u8 *skip_mask_ptr = mask + 16 * skip;
544 u32 current_data_flag = 0;
545 int current_data_offset = 0;
550 void *oldheap = clib_mem_set_heap (cm->vlib_main->heap_base);
551 int ret = vnet_classify_add_del_table (cm, skip_mask_ptr, nbuckets,
552 memory_size, skip, match,
553 next_table_index, miss_next_index,
554 table_index, current_data_flag,
555 current_data_offset, is_add,
556 1 /* delete_chain */ );
557 clib_mem_set_heap (oldheap);
562 acl_unhook_l2_input_classify (acl_main_t * am, u32 sw_if_index)
564 vnet_classify_main_t *cm = &vnet_classify_main;
565 u32 ip4_table_index = ~0;
566 u32 ip6_table_index = ~0;
567 u32 dot1q_table_index = ~0;
568 u32 dot1ad_table_index = ~0;
569 u32 etype_table_index = ~0;
570 void *oldheap = acl_set_heap (am);
572 vec_validate_init_empty (am->acl_ip4_input_classify_table_by_sw_if_index,
574 vec_validate_init_empty (am->acl_ip6_input_classify_table_by_sw_if_index,
576 vec_validate_init_empty (am->acl_dot1q_input_classify_table_by_sw_if_index,
578 vec_validate_init_empty (am->acl_dot1ad_input_classify_table_by_sw_if_index,
580 vec_validate_init_empty (am->acl_etype_input_classify_table_by_sw_if_index,
583 /* switch to global heap while calling vnet_* functions */
584 clib_mem_set_heap (cm->vlib_main->heap_base);
585 vnet_l2_input_classify_enable_disable (sw_if_index, 0);
587 if (am->acl_ip4_input_classify_table_by_sw_if_index[sw_if_index] != ~0)
590 am->acl_ip4_input_classify_table_by_sw_if_index[sw_if_index];
591 am->acl_ip4_input_classify_table_by_sw_if_index[sw_if_index] = ~0;
592 acl_classify_add_del_table_tiny (cm, ip4_5tuple_mask,
593 sizeof (ip4_5tuple_mask) - 1, ~0,
594 am->l2_input_classify_next_acl_ip4,
595 &ip4_table_index, 0);
597 if (am->acl_ip6_input_classify_table_by_sw_if_index[sw_if_index] != ~0)
600 am->acl_ip6_input_classify_table_by_sw_if_index[sw_if_index];
601 am->acl_ip6_input_classify_table_by_sw_if_index[sw_if_index] = ~0;
602 acl_classify_add_del_table_tiny (cm, ip6_5tuple_mask,
603 sizeof (ip6_5tuple_mask) - 1, ~0,
604 am->l2_input_classify_next_acl_ip6,
605 &ip6_table_index, 0);
607 if (am->acl_dot1q_input_classify_table_by_sw_if_index[sw_if_index] != ~0)
610 am->acl_dot1q_input_classify_table_by_sw_if_index[sw_if_index];
611 am->acl_dot1q_input_classify_table_by_sw_if_index[sw_if_index] = ~0;
612 acl_classify_add_del_table_tiny (cm, ip6_5tuple_mask,
613 sizeof (ip6_5tuple_mask) - 1, ~0,
614 ~0, &dot1q_table_index, 0);
616 if (am->acl_dot1ad_input_classify_table_by_sw_if_index[sw_if_index] != ~0)
619 am->acl_dot1ad_input_classify_table_by_sw_if_index[sw_if_index];
620 am->acl_dot1ad_input_classify_table_by_sw_if_index[sw_if_index] = ~0;
621 acl_classify_add_del_table_tiny (cm, dot1ad_5tuple_mask,
622 sizeof (dot1ad_5tuple_mask) - 1, ~0,
623 ~0, &dot1ad_table_index, 0);
625 if (am->acl_etype_input_classify_table_by_sw_if_index[sw_if_index] != ~0)
628 am->acl_etype_input_classify_table_by_sw_if_index[sw_if_index];
629 am->acl_etype_input_classify_table_by_sw_if_index[sw_if_index] = ~0;
630 acl_classify_add_del_table_tiny (cm, ethertype_mask,
631 sizeof (ethertype_mask) - 1, ~0,
632 ~0, &etype_table_index, 0);
634 clib_mem_set_heap (oldheap);
639 acl_unhook_l2_output_classify (acl_main_t * am, u32 sw_if_index)
641 vnet_classify_main_t *cm = &vnet_classify_main;
642 u32 ip4_table_index = ~0;
643 u32 ip6_table_index = ~0;
644 u32 dot1q_table_index = ~0;
645 u32 dot1ad_table_index = ~0;
646 u32 etype_table_index = ~0;
647 void *oldheap = acl_set_heap (am);
649 vec_validate_init_empty (am->acl_ip4_output_classify_table_by_sw_if_index,
651 vec_validate_init_empty (am->acl_ip6_output_classify_table_by_sw_if_index,
653 vec_validate_init_empty (am->acl_dot1q_output_classify_table_by_sw_if_index,
655 vec_validate_init_empty
656 (am->acl_dot1ad_output_classify_table_by_sw_if_index, sw_if_index, ~0);
657 vec_validate_init_empty (am->acl_etype_output_classify_table_by_sw_if_index,
660 /* switch to global heap while calling vnet_* functions */
661 clib_mem_set_heap (cm->vlib_main->heap_base);
663 vnet_l2_output_classify_enable_disable (sw_if_index, 0);
665 if (am->acl_ip4_output_classify_table_by_sw_if_index[sw_if_index] != ~0)
668 am->acl_ip4_output_classify_table_by_sw_if_index[sw_if_index];
669 am->acl_ip4_output_classify_table_by_sw_if_index[sw_if_index] = ~0;
670 acl_classify_add_del_table_tiny (cm, ip4_5tuple_mask,
671 sizeof (ip4_5tuple_mask) - 1, ~0,
672 am->l2_output_classify_next_acl_ip4,
673 &ip4_table_index, 0);
675 if (am->acl_ip6_output_classify_table_by_sw_if_index[sw_if_index] != ~0)
678 am->acl_ip6_output_classify_table_by_sw_if_index[sw_if_index];
679 am->acl_ip6_output_classify_table_by_sw_if_index[sw_if_index] = ~0;
680 acl_classify_add_del_table_tiny (cm, ip6_5tuple_mask,
681 sizeof (ip6_5tuple_mask) - 1, ~0,
682 am->l2_output_classify_next_acl_ip6,
683 &ip6_table_index, 0);
685 if (am->acl_dot1q_output_classify_table_by_sw_if_index[sw_if_index] != ~0)
688 am->acl_dot1q_output_classify_table_by_sw_if_index[sw_if_index];
689 am->acl_dot1q_output_classify_table_by_sw_if_index[sw_if_index] = ~0;
690 acl_classify_add_del_table_tiny (cm, ip6_5tuple_mask,
691 sizeof (ip6_5tuple_mask) - 1, ~0,
692 ~0, &dot1q_table_index, 0);
694 if (am->acl_dot1ad_output_classify_table_by_sw_if_index[sw_if_index] != ~0)
697 am->acl_dot1ad_output_classify_table_by_sw_if_index[sw_if_index];
698 am->acl_dot1ad_output_classify_table_by_sw_if_index[sw_if_index] = ~0;
699 acl_classify_add_del_table_tiny (cm, dot1ad_5tuple_mask,
700 sizeof (dot1ad_5tuple_mask) - 1, ~0,
701 ~0, &dot1ad_table_index, 0);
703 if (am->acl_etype_output_classify_table_by_sw_if_index[sw_if_index] != ~0)
706 am->acl_etype_output_classify_table_by_sw_if_index[sw_if_index];
707 am->acl_etype_output_classify_table_by_sw_if_index[sw_if_index] = ~0;
708 acl_classify_add_del_table_tiny (cm, ethertype_mask,
709 sizeof (ethertype_mask) - 1, ~0,
710 ~0, &etype_table_index, 0);
712 clib_mem_set_heap (oldheap);
717 acl_add_vlan_session (acl_main_t * am, u32 table_index, u8 is_output,
718 u8 is_dot1ad, u8 is_ip6)
720 vnet_classify_main_t *cm = &vnet_classify_main;
730 l2_output_classify_next_acl_ip6 : am->l2_input_classify_next_acl_ip6;
736 l2_output_classify_next_acl_ip4 : am->l2_input_classify_next_acl_ip4;
738 match = (is_dot1ad) ? dot1ad_5tuple_mask : dot1q_5tuple_mask;
739 idx = (is_dot1ad) ? 20 : 16;
742 /* 802.1ad ethertype */
745 /* 802.1q ethertype */
751 /* 802.1q ethertype */
756 /* add sessions to vlan tables per ethernet_type */
760 match[idx + 1] = 0xdd;
766 match[idx + 1] = 0x00;
769 vnet_classify_add_del_session (cm, table_index, match, next_acl,
770 session_idx, 0, 0, 0, 1);
771 /* reset the mask back to being a mask */
773 match[idx + 1] = 0xff;
784 intf_has_etype_whitelist (acl_main_t * am, u32 sw_if_index, int is_input)
787 ? am->input_etype_whitelist_by_sw_if_index
788 : am->output_etype_whitelist_by_sw_if_index;
789 return ((vec_len (v) > sw_if_index) && vec_elt (v, sw_if_index));
793 etype_whitelist_add_sessions (acl_main_t * am, u32 sw_if_index, int is_input,
794 u32 etype_table_index)
796 vnet_classify_main_t *cm = &vnet_classify_main;
798 ? am->input_etype_whitelist_by_sw_if_index
799 : am->output_etype_whitelist_by_sw_if_index;
800 u8 *match = ethertype_mask;
804 u16 *whitelist = vec_elt (v, sw_if_index);
805 u32 next = ~0; /* permit */
806 for (i = 0; i < vec_len (whitelist); i++)
809 match[12] = (whitelist[i] >> 8) & 0xff;
810 match[13] = whitelist[i] & 0xff;
812 || vnet_classify_add_del_session (cm, etype_table_index, match, next,
813 whitelist[i], 0, 0, 0, 1);
816 /* restore the mask */
823 acl_hook_l2_input_classify (acl_main_t * am, u32 sw_if_index)
825 vnet_classify_main_t *cm = &vnet_classify_main;
826 u32 ip4_table_index = ~0;
827 u32 ip6_table_index = ~0;
828 u32 dot1q_table_index = ~0;
829 u32 dot1ad_table_index = ~0;
830 u32 etype_table_index = ~0;
833 void *prevheap = clib_mem_set_heap (cm->vlib_main->heap_base);
835 /* in case there were previous tables attached */
836 acl_unhook_l2_input_classify (am, sw_if_index);
838 acl_classify_add_del_table_tiny (cm, ip4_5tuple_mask,
839 sizeof (ip4_5tuple_mask) - 1, ~0,
840 am->l2_input_classify_next_acl_ip4,
841 &ip4_table_index, 1);
846 acl_classify_add_del_table_tiny (cm, ip6_5tuple_mask,
847 sizeof (ip6_5tuple_mask) - 1, ~0,
848 am->l2_input_classify_next_acl_ip6,
849 &ip6_table_index, 1);
852 acl_classify_add_del_table_tiny (cm, ip4_5tuple_mask,
853 sizeof (ip4_5tuple_mask) - 1, ~0,
854 am->l2_input_classify_next_acl_ip4,
855 &ip4_table_index, 0);
859 if (intf_has_etype_whitelist (am, sw_if_index, 1))
861 acl_classify_add_del_table_tiny (cm, ethertype_mask, sizeof (ethertype_mask) - 1, ~0, 0, /* drop if no match */
862 &etype_table_index, 1);
863 etype_whitelist_add_sessions (am, sw_if_index, 1, etype_table_index);
867 acl_classify_add_del_table_tiny (cm, dot1ad_5tuple_mask,
868 sizeof (dot1ad_5tuple_mask) - 1,
869 etype_table_index, ~0,
870 &dot1ad_table_index, 1);
872 acl_classify_add_del_table_tiny (cm, dot1q_5tuple_mask,
873 sizeof (dot1q_5tuple_mask) - 1,
874 dot1ad_table_index, ~0,
875 &dot1q_table_index, 1);
878 acl_classify_add_del_table_tiny (cm, dot1ad_5tuple_mask,
879 sizeof (dot1ad_5tuple_mask) - 1, ~0,
880 ~0, &dot1ad_table_index, 0);
881 acl_classify_add_del_table_tiny (cm, ip6_5tuple_mask,
882 sizeof (ip6_5tuple_mask) - 1, ~0,
883 am->l2_input_classify_next_acl_ip6,
884 &ip6_table_index, 0);
885 acl_classify_add_del_table_tiny (cm, ip4_5tuple_mask,
886 sizeof (ip4_5tuple_mask) - 1, ~0,
887 am->l2_input_classify_next_acl_ip4,
888 &ip4_table_index, 0);
893 vnet_l2_input_classify_set_tables (sw_if_index, ip4_table_index,
894 ip6_table_index, dot1q_table_index);
898 acl_classify_add_del_table_tiny (cm, ip4_5tuple_mask,
899 sizeof (ip4_5tuple_mask) - 1, ~0,
900 am->l2_input_classify_next_acl_ip4,
901 &ip4_table_index, 0);
902 acl_classify_add_del_table_tiny (cm, ip6_5tuple_mask,
903 sizeof (ip6_5tuple_mask) - 1, ~0,
904 am->l2_input_classify_next_acl_ip6,
905 &ip6_table_index, 0);
906 acl_classify_add_del_table_tiny (cm, dot1q_5tuple_mask,
907 sizeof (dot1q_5tuple_mask) - 1, ~0,
908 ~0, &dot1q_table_index, 0);
909 acl_classify_add_del_table_tiny (cm, dot1ad_5tuple_mask,
910 sizeof (dot1ad_5tuple_mask) - 1, ~0,
911 ~0, &dot1ad_table_index, 0);
915 /* add sessions to vlan tables per ethernet_type */
916 acl_add_vlan_session (am, dot1q_table_index, 0, 0, 0);
917 acl_add_vlan_session (am, dot1q_table_index, 0, 0, 1);
918 acl_add_vlan_session (am, dot1ad_table_index, 0, 1, 0);
919 acl_add_vlan_session (am, dot1ad_table_index, 0, 1, 1);
921 am->acl_ip4_input_classify_table_by_sw_if_index[sw_if_index] =
923 am->acl_ip6_input_classify_table_by_sw_if_index[sw_if_index] =
925 am->acl_dot1q_input_classify_table_by_sw_if_index[sw_if_index] =
927 am->acl_dot1ad_input_classify_table_by_sw_if_index[sw_if_index] =
929 am->acl_dot1ad_input_classify_table_by_sw_if_index[sw_if_index] =
931 am->acl_etype_input_classify_table_by_sw_if_index[sw_if_index] =
934 vnet_l2_input_classify_enable_disable (sw_if_index, 1);
936 clib_mem_set_heap (prevheap);
941 acl_hook_l2_output_classify (acl_main_t * am, u32 sw_if_index)
943 vnet_classify_main_t *cm = &vnet_classify_main;
944 u32 ip4_table_index = ~0;
945 u32 ip6_table_index = ~0;
946 u32 dot1q_table_index = ~0;
947 u32 dot1ad_table_index = ~0;
948 u32 etype_table_index = ~0;
951 void *prevheap = clib_mem_set_heap (cm->vlib_main->heap_base);
953 /* in case there were previous tables attached */
954 acl_unhook_l2_output_classify (am, sw_if_index);
956 acl_classify_add_del_table_tiny (cm, ip4_5tuple_mask,
957 sizeof (ip4_5tuple_mask) - 1, ~0,
958 am->l2_output_classify_next_acl_ip4,
959 &ip4_table_index, 1);
963 acl_classify_add_del_table_tiny (cm, ip6_5tuple_mask,
964 sizeof (ip6_5tuple_mask) - 1, ~0,
965 am->l2_output_classify_next_acl_ip6,
966 &ip6_table_index, 1);
969 acl_classify_add_del_table_tiny (cm, ip4_5tuple_mask,
970 sizeof (ip4_5tuple_mask) - 1, ~0,
971 am->l2_output_classify_next_acl_ip4,
972 &ip4_table_index, 0);
976 if (intf_has_etype_whitelist (am, sw_if_index, 0))
978 acl_classify_add_del_table_tiny (cm, ethertype_mask, sizeof (ethertype_mask) - 1, ~0, 0, /* drop if no match */
979 &etype_table_index, 1);
980 etype_whitelist_add_sessions (am, sw_if_index, 0, etype_table_index);
985 acl_classify_add_del_table_tiny (cm, dot1ad_5tuple_mask,
986 sizeof (dot1ad_5tuple_mask) - 1,
987 etype_table_index, ~0,
988 &dot1ad_table_index, 1);
990 acl_classify_add_del_table_tiny (cm, dot1q_5tuple_mask,
991 sizeof (dot1q_5tuple_mask) - 1,
992 dot1ad_table_index, ~0,
993 &dot1q_table_index, 1);
996 acl_classify_add_del_table_tiny (cm, dot1ad_5tuple_mask,
997 sizeof (dot1ad_5tuple_mask) - 1, ~0,
998 ~0, &dot1ad_table_index, 0);
999 acl_classify_add_del_table_tiny (cm, ip6_5tuple_mask,
1000 sizeof (ip6_5tuple_mask) - 1, ~0,
1001 am->l2_output_classify_next_acl_ip6,
1002 &ip6_table_index, 0);
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);
1011 vnet_l2_output_classify_set_tables (sw_if_index, ip4_table_index,
1012 ip6_table_index, dot1q_table_index);
1015 ("ACL enabling on interface sw_if_index %d, setting tables to the following: ip4: %d ip6: %d\n",
1016 sw_if_index, ip4_table_index, ip6_table_index);
1020 acl_classify_add_del_table_tiny (cm, ip6_5tuple_mask,
1021 sizeof (ip6_5tuple_mask) - 1, ~0,
1022 am->l2_output_classify_next_acl_ip6,
1023 &ip6_table_index, 0);
1024 acl_classify_add_del_table_tiny (cm, ip4_5tuple_mask,
1025 sizeof (ip4_5tuple_mask) - 1, ~0,
1026 am->l2_output_classify_next_acl_ip4,
1027 &ip4_table_index, 0);
1028 acl_classify_add_del_table_tiny (cm, dot1q_5tuple_mask,
1029 sizeof (dot1q_5tuple_mask) - 1, ~0,
1030 ~0, &dot1q_table_index, 0);
1031 acl_classify_add_del_table_tiny (cm, dot1ad_5tuple_mask,
1032 sizeof (dot1ad_5tuple_mask) - 1, ~0,
1033 ~0, &dot1ad_table_index, 0);
1037 /* add sessions to vlan tables per ethernet_type */
1038 acl_add_vlan_session (am, dot1q_table_index, 1, 0, 0);
1039 acl_add_vlan_session (am, dot1q_table_index, 1, 0, 1);
1040 acl_add_vlan_session (am, dot1ad_table_index, 1, 1, 0);
1041 acl_add_vlan_session (am, dot1ad_table_index, 1, 1, 1);
1043 am->acl_ip4_output_classify_table_by_sw_if_index[sw_if_index] =
1045 am->acl_ip6_output_classify_table_by_sw_if_index[sw_if_index] =
1047 am->acl_dot1q_output_classify_table_by_sw_if_index[sw_if_index] =
1049 am->acl_dot1ad_output_classify_table_by_sw_if_index[sw_if_index] =
1051 am->acl_etype_output_classify_table_by_sw_if_index[sw_if_index] =
1054 vnet_l2_output_classify_enable_disable (sw_if_index, 1);
1056 clib_mem_set_heap (prevheap);
1061 acl_clear_sessions (acl_main_t * am, u32 sw_if_index)
1063 void *oldheap = clib_mem_set_heap (am->vlib_main->heap_base);
1064 vlib_process_signal_event (am->vlib_main, am->fa_cleaner_node_index,
1065 ACL_FA_CLEANER_DELETE_BY_SW_IF_INDEX,
1067 clib_mem_set_heap (oldheap);
1072 acl_interface_in_enable_disable (acl_main_t * am, u32 sw_if_index,
1077 /* Utterly wrong? */
1078 if (pool_is_free_index (am->vnet_main->interface_main.sw_interfaces,
1080 return VNET_API_ERROR_INVALID_SW_IF_INDEX;
1082 if (clib_bitmap_get (am->in_acl_on_sw_if_index, sw_if_index) ==
1086 acl_fa_enable_disable (sw_if_index, 1, enable_disable);
1090 rv = acl_hook_l2_input_classify (am, sw_if_index);
1094 rv = acl_unhook_l2_input_classify (am, sw_if_index);
1097 am->in_acl_on_sw_if_index =
1098 clib_bitmap_set (am->in_acl_on_sw_if_index, sw_if_index, enable_disable);
1104 acl_interface_out_enable_disable (acl_main_t * am, u32 sw_if_index,
1109 /* Utterly wrong? */
1110 if (pool_is_free_index (am->vnet_main->interface_main.sw_interfaces,
1112 return VNET_API_ERROR_INVALID_SW_IF_INDEX;
1114 if (clib_bitmap_get (am->out_acl_on_sw_if_index, sw_if_index) ==
1118 acl_fa_enable_disable (sw_if_index, 0, enable_disable);
1122 rv = acl_hook_l2_output_classify (am, sw_if_index);
1126 rv = acl_unhook_l2_output_classify (am, sw_if_index);
1129 am->out_acl_on_sw_if_index =
1130 clib_bitmap_set (am->out_acl_on_sw_if_index, sw_if_index, enable_disable);
1136 acl_interface_inout_enable_disable (acl_main_t * am, u32 sw_if_index,
1137 int is_input, int enable_disable)
1140 return acl_interface_in_enable_disable (am, sw_if_index, enable_disable);
1142 return acl_interface_out_enable_disable (am, sw_if_index, enable_disable);
1146 acl_is_not_defined (acl_main_t * am, u32 acl_list_index)
1148 return (pool_is_free_index (am->acls, acl_list_index));
1152 acl_interface_set_inout_acl_list (acl_main_t * am, u32 sw_if_index,
1153 u8 is_input, u32 * vec_acl_list_index,
1154 int *may_clear_sessions)
1157 uword *seen_acl_bitmap = 0;
1158 uword *old_seen_acl_bitmap = 0;
1159 uword *change_acl_bitmap = 0;
1164 if (am->trace_acl > 255)
1166 ("API dbg: acl_interface_set_inout_acl_list: sw_if_index %d is_input %d acl_vec: [%U]",
1167 sw_if_index, is_input, format_vec32, vec_acl_list_index, "%d");
1169 vec_foreach (pacln, vec_acl_list_index)
1171 if (acl_is_not_defined (am, *pacln))
1173 /* ACL is not defined. Can not apply */
1174 clib_warning ("ERROR: ACL %d not defined", *pacln);
1175 rv = VNET_API_ERROR_NO_SUCH_ENTRY;
1178 if (clib_bitmap_get (seen_acl_bitmap, *pacln))
1180 /* ACL being applied twice within the list. error. */
1181 clib_warning ("ERROR: ACL %d being applied twice", *pacln);
1182 rv = VNET_API_ERROR_ENTRY_ALREADY_EXISTS;
1185 seen_acl_bitmap = clib_bitmap_set (seen_acl_bitmap, *pacln, 1);
1189 u32 **pinout_lc_index_by_sw_if_index =
1191 input_lc_index_by_sw_if_index : &am->output_lc_index_by_sw_if_index;
1193 u32 ***pinout_acl_vec_by_sw_if_index =
1195 input_acl_vec_by_sw_if_index : &am->output_acl_vec_by_sw_if_index;
1197 u32 ***pinout_sw_if_index_vec_by_acl =
1199 input_sw_if_index_vec_by_acl : &am->output_sw_if_index_vec_by_acl;
1201 vec_validate ((*pinout_acl_vec_by_sw_if_index), sw_if_index);
1203 clib_bitmap_validate (old_seen_acl_bitmap, 1);
1205 vec_foreach (pacln, (*pinout_acl_vec_by_sw_if_index)[sw_if_index])
1207 old_seen_acl_bitmap = clib_bitmap_set (old_seen_acl_bitmap, *pacln, 1);
1210 clib_bitmap_dup_xor (old_seen_acl_bitmap, seen_acl_bitmap);
1212 if (am->trace_acl > 255)
1213 clib_warning ("bitmaps: old seen %U new seen %U changed %U",
1214 format_bitmap_hex, old_seen_acl_bitmap, format_bitmap_hex,
1215 seen_acl_bitmap, format_bitmap_hex, change_acl_bitmap);
1218 clib_bitmap_foreach(acln, change_acl_bitmap, ({
1219 if (clib_bitmap_get(old_seen_acl_bitmap, acln)) {
1220 /* ACL is being removed. */
1221 if (acln < vec_len((*pinout_sw_if_index_vec_by_acl))) {
1222 int index = vec_search((*pinout_sw_if_index_vec_by_acl)[acln], sw_if_index);
1223 vec_del1((*pinout_sw_if_index_vec_by_acl)[acln], index);
1226 /* ACL is being added. */
1227 vec_validate((*pinout_sw_if_index_vec_by_acl), acln);
1228 vec_add1((*pinout_sw_if_index_vec_by_acl)[acln], sw_if_index);
1233 vec_free ((*pinout_acl_vec_by_sw_if_index)[sw_if_index]);
1234 (*pinout_acl_vec_by_sw_if_index)[sw_if_index] =
1235 vec_dup (vec_acl_list_index);
1237 /* if no commonalities between the ACL# - then we should definitely clear the sessions */
1238 if (may_clear_sessions && *may_clear_sessions
1239 && !clib_bitmap_is_zero (change_acl_bitmap))
1241 acl_clear_sessions (am, sw_if_index);
1242 *may_clear_sessions = 0;
1246 * prepare or delete the lookup context if necessary, and if context exists, set ACL list
1248 vec_validate_init_empty ((*pinout_lc_index_by_sw_if_index), sw_if_index,
1250 if (vec_len (vec_acl_list_index) > 0)
1252 u32 lc_index = (*pinout_lc_index_by_sw_if_index)[sw_if_index];
1256 acl_plugin_get_lookup_context_index (am->interface_acl_user_id,
1257 sw_if_index, is_input);
1258 ASSERT (lc_index >= 0);
1259 (*pinout_lc_index_by_sw_if_index)[sw_if_index] = lc_index;
1261 acl_plugin_set_acl_vec_for_context (lc_index, vec_acl_list_index);
1265 if (~0 != (*pinout_lc_index_by_sw_if_index)[sw_if_index])
1267 acl_plugin_put_lookup_context_index ((*pinout_lc_index_by_sw_if_index)[sw_if_index]);
1268 (*pinout_lc_index_by_sw_if_index)[sw_if_index] = ~0;
1272 /* ensure ACL processing is enabled/disabled as needed */
1273 acl_interface_inout_enable_disable (am, sw_if_index, is_input,
1274 vec_len (vec_acl_list_index) > 0);
1277 clib_bitmap_free (change_acl_bitmap);
1278 clib_bitmap_free (seen_acl_bitmap);
1279 clib_bitmap_free (old_seen_acl_bitmap);
1284 acl_interface_reset_inout_acls (u32 sw_if_index, u8 is_input,
1285 int *may_clear_sessions)
1287 acl_main_t *am = &acl_main;
1288 void *oldheap = acl_set_heap (am);
1289 acl_interface_set_inout_acl_list (am, sw_if_index, is_input, 0,
1290 may_clear_sessions);
1291 clib_mem_set_heap (oldheap);
1295 acl_interface_add_del_inout_acl (u32 sw_if_index, u8 is_add, u8 is_input,
1299 acl_main_t *am = &acl_main;
1301 int may_clear_sessions = 1;
1303 int error_already_applied = is_input ? VNET_API_ERROR_ACL_IN_USE_INBOUND
1304 : VNET_API_ERROR_ACL_IN_USE_OUTBOUND;
1306 u32 ***pinout_acl_vec_by_sw_if_index =
1308 input_acl_vec_by_sw_if_index : &am->output_acl_vec_by_sw_if_index;
1310 void *oldheap = acl_set_heap (am);
1314 vec_validate ((*pinout_acl_vec_by_sw_if_index), sw_if_index);
1315 u32 index = vec_search ((*pinout_acl_vec_by_sw_if_index)[sw_if_index],
1320 rv = error_already_applied;
1324 acl_vec = vec_dup ((*pinout_acl_vec_by_sw_if_index)[sw_if_index]);
1325 vec_add1 (acl_vec, acl_list_index);
1329 if (sw_if_index > vec_len (*pinout_acl_vec_by_sw_if_index))
1331 rv = VNET_API_ERROR_NO_SUCH_ENTRY;
1335 u32 index = vec_search ((*pinout_acl_vec_by_sw_if_index)[sw_if_index],
1340 rv = VNET_API_ERROR_NO_SUCH_ENTRY;
1344 acl_vec = vec_dup ((*pinout_acl_vec_by_sw_if_index)[sw_if_index]);
1345 vec_del1 (acl_vec, index);
1348 rv = acl_interface_set_inout_acl_list (am, sw_if_index, is_input, acl_vec,
1349 &may_clear_sessions);
1352 clib_mem_set_heap (oldheap);
1357 acl_set_etype_whitelists (acl_main_t * am, u32 sw_if_index, u16 * vec_in,
1360 vec_validate (am->input_etype_whitelist_by_sw_if_index, sw_if_index);
1361 vec_validate (am->output_etype_whitelist_by_sw_if_index, sw_if_index);
1363 vec_free (am->input_etype_whitelist_by_sw_if_index[sw_if_index]);
1364 vec_free (am->output_etype_whitelist_by_sw_if_index[sw_if_index]);
1366 am->input_etype_whitelist_by_sw_if_index[sw_if_index] = vec_in;
1367 am->output_etype_whitelist_by_sw_if_index[sw_if_index] = vec_out;
1370 * if there are already inbound/outbound ACLs applied, toggle the
1371 * enable/disable - this will recreate the necessary tables.
1374 if (vec_len (am->input_acl_vec_by_sw_if_index) > sw_if_index)
1376 if (vec_len (am->input_acl_vec_by_sw_if_index[sw_if_index]) > 0)
1378 acl_interface_in_enable_disable (am, sw_if_index, 0);
1379 acl_interface_in_enable_disable (am, sw_if_index, 1);
1382 if (vec_len (am->output_acl_vec_by_sw_if_index) > sw_if_index)
1384 if (vec_len (am->output_acl_vec_by_sw_if_index[sw_if_index]) > 0)
1386 acl_interface_out_enable_disable (am, sw_if_index, 0);
1387 acl_interface_out_enable_disable (am, sw_if_index, 1);
1402 u32 arp_table_index;
1403 u32 dot1q_table_index;
1404 u32 dot1ad_table_index;
1405 u32 arp_dot1q_table_index;
1406 u32 arp_dot1ad_table_index;
1408 u32 out_table_index;
1409 u32 out_arp_table_index;
1410 u32 out_dot1q_table_index;
1411 u32 out_dot1ad_table_index;
1412 u32 out_arp_dot1q_table_index;
1413 u32 out_arp_dot1ad_table_index;
1414 } macip_match_type_t;
1417 macip_find_match_type (macip_match_type_t * mv, u8 * mac_mask, u8 prefix_len,
1423 for (i = 0; i < vec_len (mv); i++)
1425 if ((mv[i].prefix_len == prefix_len) && (mv[i].is_ipv6 == is_ipv6)
1426 && (0 == memcmp (mv[i].mac_mask, mac_mask, 6)))
1436 /* Get metric used to sort match types.
1437 The more specific and the more often seen - the bigger the metric */
1439 match_type_metric (macip_match_type_t * m)
1441 unsigned int mac_bits_set = 0;
1442 unsigned int mac_byte;
1444 for (i = 0; i < 6; i++)
1446 mac_byte = m->mac_mask[i];
1447 for (; mac_byte; mac_byte >>= 1)
1448 mac_bits_set += mac_byte & 1;
1451 * Attempt to place the more specific and the more used rules on top.
1452 * There are obvious caveat corner cases to this, but they do not
1453 * seem to be sensible in real world (e.g. specific IPv4 with wildcard MAC
1454 * going with a wildcard IPv4 with a specific MAC).
1456 return m->prefix_len + mac_bits_set + m->is_ipv6 + 10 * m->count;
1460 match_type_compare (macip_match_type_t * m1, macip_match_type_t * m2)
1462 /* Ascending sort based on the metric values */
1463 return match_type_metric (m1) - match_type_metric (m2);
1466 /* Get the offset of L3 source within ethernet packet */
1468 get_l3_src_offset (int is6)
1471 return (sizeof (ethernet_header_t) +
1472 offsetof (ip6_header_t, src_address));
1474 return (sizeof (ethernet_header_t) +
1475 offsetof (ip4_header_t, src_address));
1479 get_l3_dst_offset (int is6)
1482 return (sizeof (ethernet_header_t) +
1483 offsetof (ip6_header_t, dst_address));
1485 return (sizeof (ethernet_header_t) +
1486 offsetof (ip4_header_t, dst_address));
1490 * return if the is_permit value also requires to create the egress tables
1491 * For backwards compatibility, we keep the is_permit = 1 to only
1492 * create the ingress tables, and the new value of 3 will also
1493 * create the egress tables based on destination.
1496 macip_permit_also_egress (u8 is_permit)
1498 return (is_permit == 3);
1502 macip_create_classify_tables (acl_main_t * am, u32 macip_acl_index)
1504 macip_match_type_t *mvec = NULL;
1505 macip_match_type_t *mt;
1506 macip_acl_list_t *a = pool_elt_at_index (am->macip_acls, macip_acl_index);
1508 u32 match_type_index;
1512 vnet_classify_main_t *cm = &vnet_classify_main;
1514 /* Count the number of different types of rules */
1515 for (i = 0; i < a->count; i++)
1519 macip_find_match_type (mvec, a->rules[i].src_mac_mask,
1520 a->rules[i].src_prefixlen,
1521 a->rules[i].is_ipv6)))
1523 match_type_index = vec_len (mvec);
1524 vec_validate (mvec, match_type_index);
1525 memcpy (mvec[match_type_index].mac_mask,
1526 a->rules[i].src_mac_mask, 6);
1527 mvec[match_type_index].prefix_len = a->rules[i].src_prefixlen;
1528 mvec[match_type_index].is_ipv6 = a->rules[i].is_ipv6;
1529 mvec[match_type_index].has_egress = 0;
1530 mvec[match_type_index].table_index = ~0;
1531 mvec[match_type_index].arp_table_index = ~0;
1532 mvec[match_type_index].dot1q_table_index = ~0;
1533 mvec[match_type_index].dot1ad_table_index = ~0;
1534 mvec[match_type_index].arp_dot1q_table_index = ~0;
1535 mvec[match_type_index].arp_dot1ad_table_index = ~0;
1536 mvec[match_type_index].out_table_index = ~0;
1537 mvec[match_type_index].out_arp_table_index = ~0;
1538 mvec[match_type_index].out_dot1q_table_index = ~0;
1539 mvec[match_type_index].out_dot1ad_table_index = ~0;
1540 mvec[match_type_index].out_arp_dot1q_table_index = ~0;
1541 mvec[match_type_index].out_arp_dot1ad_table_index = ~0;
1543 mvec[match_type_index].count++;
1544 mvec[match_type_index].has_egress |=
1545 macip_permit_also_egress (a->rules[i].is_permit);
1547 /* Put the most frequently used tables last in the list so we can create classifier tables in reverse order */
1548 vec_sort_with_function (mvec, match_type_compare);
1549 /* Create the classifier tables */
1551 out_last_table = ~0;
1552 /* First add ARP tables */
1553 vec_foreach (mt, mvec)
1556 int is6 = mt->is_ipv6;
1558 u32 *last_tag_table;
1559 u32 *out_last_tag_table;
1566 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
1567 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
1568 | Destination Address |
1569 + +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
1571 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +
1573 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
1574 | EtherType | Hardware Type |
1575 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
1576 | Protocol Type | Hw addr len | Proto addr len|
1577 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
1579 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +
1580 | Sender Hardware Address |
1581 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
1582 | Sender Protocol Address |
1583 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
1584 | Target Hardware Address |
1585 + +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
1586 | | TargetProtocolAddress |
1587 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
1589 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
1591 for (tags = 2; tags >= 0; tags--)
1593 memset (mask, 0, sizeof (mask));
1594 /* source MAC address */
1595 memcpy (&mask[6], mt->mac_mask, 6);
1601 memset (&mask[12], 0xff, 2); /* ethernet protocol */
1603 last_tag_table = &mt->arp_table_index;
1606 memset (&mask[12], 0xff, 2); /* VLAN tag1 */
1607 memset (&mask[16], 0xff, 2); /* ethernet protocol */
1609 last_tag_table = &mt->arp_dot1q_table_index;
1612 memset (&mask[12], 0xff, 2); /* VLAN tag1 */
1613 memset (&mask[16], 0xff, 2); /* VLAN tag2 */
1614 memset (&mask[20], 0xff, 2); /* ethernet protocol */
1616 last_tag_table = &mt->arp_dot1ad_table_index;
1620 /* sender hardware address within ARP */
1621 memcpy (&mask[l3_offset + 8], mt->mac_mask, 6);
1622 /* sender protocol address within ARP */
1623 for (i = 0; i < (mt->prefix_len / 8); i++)
1624 mask[l3_offset + 14 + i] = 0xff;
1625 if (mt->prefix_len % 8)
1626 mask[l3_offset + 14 + (mt->prefix_len / 8)] =
1627 0xff - ((1 << (8 - mt->prefix_len % 8)) - 1);
1629 mask_len = ((l3_offset + 14 + ((mt->prefix_len + 7) / 8) +
1631 1)) / sizeof (u32x4)) * sizeof (u32x4);
1632 acl_classify_add_del_table_small (cm, mask, mask_len, last_table,
1633 (~0 == last_table) ? 0 : ~0,
1635 last_table = *last_tag_table;
1638 /* egress ARP table */
1639 memset (mask, 0, sizeof (mask));
1645 memset (&mask[12], 0xff, 2); /* ethernet protocol */
1647 out_last_tag_table = &mt->out_arp_table_index;
1650 memset (&mask[12], 0xff, 2); /* VLAN tag1 */
1651 memset (&mask[16], 0xff, 2); /* ethernet protocol */
1653 out_last_tag_table = &mt->out_arp_dot1q_table_index;
1656 memset (&mask[12], 0xff, 2); /* VLAN tag1 */
1657 memset (&mask[16], 0xff, 2); /* VLAN tag2 */
1658 memset (&mask[20], 0xff, 2); /* ethernet protocol */
1660 out_last_tag_table = &mt->out_arp_dot1ad_table_index;
1664 /* AYXX: FIXME here - can we tighten the ARP-related table more ? */
1665 /* mask captures just the destination and the ethertype */
1666 mask_len = ((l3_offset +
1668 1)) / sizeof (u32x4)) * sizeof (u32x4);
1669 acl_classify_add_del_table_small (cm, mask, mask_len,
1672 out_last_table) ? 0 : ~0,
1673 out_last_tag_table, 1);
1674 out_last_table = *out_last_tag_table;
1679 /* Now add IP[46] tables */
1680 vec_foreach (mt, mvec)
1683 int is6 = mt->is_ipv6;
1687 u32 *last_tag_table;
1688 u32 *out_last_tag_table;
1691 * create chained tables for VLAN (no-tags, dot1q and dot1ad) packets
1693 for (tags = 2; tags >= 0; tags--)
1695 memset (mask, 0, sizeof (mask));
1696 memcpy (&mask[6], mt->mac_mask, 6);
1697 l3_src_offs = tags * 4 + get_l3_src_offset (is6);
1702 memset (&mask[12], 0xff, 2); /* ethernet protocol */
1703 last_tag_table = &mt->table_index;
1706 memset (&mask[12], 0xff, 2); /* VLAN tag1 */
1707 memset (&mask[16], 0xff, 2); /* ethernet protocol */
1708 last_tag_table = &mt->dot1q_table_index;
1711 memset (&mask[12], 0xff, 2); /* VLAN tag1 */
1712 memset (&mask[16], 0xff, 2); /* VLAN tag2 */
1713 memset (&mask[20], 0xff, 2); /* ethernet protocol */
1714 last_tag_table = &mt->dot1ad_table_index;
1717 for (i = 0; i < (mt->prefix_len / 8); i++)
1719 mask[l3_src_offs + i] = 0xff;
1721 if (mt->prefix_len % 8)
1723 mask[l3_src_offs + (mt->prefix_len / 8)] =
1724 0xff - ((1 << (8 - mt->prefix_len % 8)) - 1);
1727 * Round-up the number of bytes needed to store the prefix,
1728 * and round up the number of vectors too
1730 mask_len = ((l3_src_offs + ((mt->prefix_len + 7) / 8) +
1731 (sizeof (u32x4) - 1)) / sizeof (u32x4)) * sizeof (u32x4);
1732 acl_classify_add_del_table_small (cm, mask, mask_len, last_table,
1733 (~0 == last_table) ? 0 : ~0,
1735 last_table = *last_tag_table;
1739 for (tags = 2; tags >= 0; tags--)
1741 memset (mask, 0, sizeof (mask));
1742 /* MAC destination */
1743 memcpy (&mask[0], mt->mac_mask, 6);
1744 l3_dst_offs = tags * 4 + get_l3_dst_offset (is6);
1749 memset (&mask[12], 0xff, 2); /* ethernet protocol */
1750 out_last_tag_table = &mt->out_table_index;
1753 memset (&mask[12], 0xff, 2); /* VLAN tag1 */
1754 memset (&mask[16], 0xff, 2); /* ethernet protocol */
1755 out_last_tag_table = &mt->out_dot1q_table_index;
1758 memset (&mask[12], 0xff, 2); /* VLAN tag1 */
1759 memset (&mask[16], 0xff, 2); /* VLAN tag2 */
1760 memset (&mask[20], 0xff, 2); /* ethernet protocol */
1761 out_last_tag_table = &mt->out_dot1ad_table_index;
1764 for (i = 0; i < (mt->prefix_len / 8); i++)
1766 mask[l3_dst_offs + i] = 0xff;
1768 if (mt->prefix_len % 8)
1770 mask[l3_dst_offs + (mt->prefix_len / 8)] =
1771 0xff - ((1 << (8 - mt->prefix_len % 8)) - 1);
1774 * Round-up the number of bytes needed to store the prefix,
1775 * and round up the number of vectors too
1777 mask_len = ((l3_dst_offs + ((mt->prefix_len + 7) / 8) +
1779 1)) / sizeof (u32x4)) * sizeof (u32x4);
1780 acl_classify_add_del_table_small (cm, mask, mask_len,
1782 (~0 == out_last_table) ? 0 : ~0,
1783 out_last_tag_table, 1);
1784 out_last_table = *out_last_tag_table;
1788 a->ip4_table_index = last_table;
1789 a->ip6_table_index = last_table;
1790 a->l2_table_index = last_table;
1792 a->out_ip4_table_index = out_last_table;
1793 a->out_ip6_table_index = out_last_table;
1794 a->out_l2_table_index = out_last_table;
1796 /* Populate the classifier tables with rules from the MACIP ACL */
1797 for (i = 0; i < a->count; i++)
1801 int is6 = a->rules[i].is_ipv6;
1808 macip_find_match_type (mvec, a->rules[i].src_mac_mask,
1809 a->rules[i].src_prefixlen,
1810 a->rules[i].is_ipv6);
1811 ASSERT (match_type_index != ~0);
1813 for (tags = 2; tags >= 0; tags--)
1815 memset (mask, 0, sizeof (mask));
1816 l3_src_offs = tags * 4 + get_l3_src_offset (is6);
1817 memcpy (&mask[6], a->rules[i].src_mac, 6);
1822 tag_table = mvec[match_type_index].table_index;
1826 tag_table = mvec[match_type_index].dot1q_table_index;
1832 tag_table = mvec[match_type_index].dot1ad_table_index;
1842 memcpy (&mask[l3_src_offs], &a->rules[i].src_ip_addr.ip6, 16);
1844 mask[eth + 1] = 0xdd;
1848 memcpy (&mask[l3_src_offs], &a->rules[i].src_ip_addr.ip4, 4);
1850 mask[eth + 1] = 0x00;
1853 /* add session to table mvec[match_type_index].table_index; */
1854 vnet_classify_add_del_session (cm, tag_table,
1855 mask, a->rules[i].is_permit ? ~0 : 0,
1856 i, 0, action, metadata, 1);
1857 memset (&mask[12], 0, sizeof (mask) - 12);
1860 /* add ARP table entry too */
1861 if (!is6 && (mvec[match_type_index].arp_table_index != ~0))
1863 memset (mask, 0, sizeof (mask));
1864 memcpy (&mask[6], a->rules[i].src_mac, 6);
1866 for (tags = 2; tags >= 0; tags--)
1872 tag_table = mvec[match_type_index].arp_table_index;
1878 tag_table = mvec[match_type_index].arp_dot1q_table_index;
1886 tag_table = mvec[match_type_index].arp_dot1ad_table_index;
1897 memcpy (&mask[l3_src_offs + 8], a->rules[i].src_mac, 6);
1898 memcpy (&mask[l3_src_offs + 14], &a->rules[i].src_ip_addr.ip4,
1900 vnet_classify_add_del_session (cm, tag_table, mask,
1901 a->rules[i].is_permit ? ~0 : 0,
1902 i, 0, action, metadata, 1);
1905 if (macip_permit_also_egress (a->rules[i].is_permit))
1907 /* Add the egress entry with destination set */
1908 for (tags = 2; tags >= 0; tags--)
1910 memset (mask, 0, sizeof (mask));
1911 l3_dst_offs = tags * 4 + get_l3_dst_offset (is6);
1912 /* src mac in the other direction becomes dst */
1913 memcpy (&mask[0], a->rules[i].src_mac, 6);
1918 tag_table = mvec[match_type_index].out_table_index;
1922 tag_table = mvec[match_type_index].out_dot1q_table_index;
1928 tag_table = mvec[match_type_index].out_dot1ad_table_index;
1938 memcpy (&mask[l3_dst_offs], &a->rules[i].src_ip_addr.ip6,
1941 mask[eth + 1] = 0xdd;
1945 memcpy (&mask[l3_dst_offs], &a->rules[i].src_ip_addr.ip4,
1948 mask[eth + 1] = 0x00;
1951 /* add session to table mvec[match_type_index].table_index; */
1952 vnet_classify_add_del_session (cm, tag_table,
1954 a->rules[i].is_permit ? ~0 : 0,
1955 i, 0, action, metadata, 1);
1956 // memset (&mask[12], 0, sizeof (mask) - 12);
1959 /* add ARP table entry too */
1960 if (!is6 && (mvec[match_type_index].out_arp_table_index != ~0))
1962 for (tags = 2; tags >= 0; tags--)
1964 memset (mask, 0, sizeof (mask));
1969 tag_table = mvec[match_type_index].out_arp_table_index;
1975 mvec[match_type_index].out_arp_dot1q_table_index;
1983 mvec[match_type_index].out_arp_dot1ad_table_index;
1993 vnet_classify_add_del_session (cm, tag_table,
1996 rules[i].is_permit ? ~0 : 0,
1997 i, 0, action, metadata, 1);
2006 macip_destroy_classify_tables (acl_main_t * am, u32 macip_acl_index)
2008 vnet_classify_main_t *cm = &vnet_classify_main;
2009 macip_acl_list_t *a = pool_elt_at_index (am->macip_acls, macip_acl_index);
2011 if (a->ip4_table_index != ~0)
2013 acl_classify_add_del_table_small (cm, 0, ~0, ~0, ~0,
2014 &a->ip4_table_index, 0);
2015 a->ip4_table_index = ~0;
2017 if (a->ip6_table_index != ~0)
2019 acl_classify_add_del_table_small (cm, 0, ~0, ~0, ~0,
2020 &a->ip6_table_index, 0);
2021 a->ip6_table_index = ~0;
2023 if (a->l2_table_index != ~0)
2025 acl_classify_add_del_table_small (cm, 0, ~0, ~0, ~0, &a->l2_table_index,
2027 a->l2_table_index = ~0;
2029 if (a->out_ip4_table_index != ~0)
2031 acl_classify_add_del_table_small (cm, 0, ~0, ~0, ~0,
2032 &a->out_ip4_table_index, 0);
2033 a->out_ip4_table_index = ~0;
2035 if (a->out_ip6_table_index != ~0)
2037 acl_classify_add_del_table_small (cm, 0, ~0, ~0, ~0,
2038 &a->out_ip6_table_index, 0);
2039 a->out_ip6_table_index = ~0;
2041 if (a->out_l2_table_index != ~0)
2043 acl_classify_add_del_table_small (cm, 0, ~0, ~0, ~0,
2044 &a->out_l2_table_index, 0);
2045 a->out_l2_table_index = ~0;
2050 macip_maybe_apply_unapply_classifier_tables (acl_main_t * am, u32 acl_index,
2056 macip_acl_list_t *a = pool_elt_at_index (am->macip_acls, acl_index);
2058 for (i = 0; i < vec_len (am->macip_acl_by_sw_if_index); i++)
2059 if (vec_elt (am->macip_acl_by_sw_if_index, i) == acl_index)
2061 rv0 = vnet_set_input_acl_intfc (am->vlib_main, i, a->ip4_table_index,
2062 a->ip6_table_index, a->l2_table_index,
2064 /* return the first unhappy outcome but make try to plough through. */
2067 vnet_set_output_acl_intfc (am->vlib_main, i, a->out_ip4_table_index,
2068 a->out_ip6_table_index,
2069 a->out_l2_table_index, is_apply);
2070 /* return the first unhappy outcome but make try to plough through. */
2077 macip_acl_add_list (u32 count, vl_api_macip_acl_rule_t rules[],
2078 u32 * acl_list_index, u8 * tag)
2080 acl_main_t *am = &acl_main;
2081 macip_acl_list_t *a;
2082 macip_acl_rule_t *r;
2083 macip_acl_rule_t *acl_new_rules = 0;
2087 if (*acl_list_index != ~0)
2089 /* They supplied some number, let's see if this MACIP ACL exists */
2090 if (pool_is_free_index (am->macip_acls, *acl_list_index))
2092 /* tried to replace a non-existent ACL, no point doing anything */
2094 ("acl-plugin-error: Trying to replace nonexistent MACIP ACL %d (tag %s)",
2095 *acl_list_index, tag);
2096 return VNET_API_ERROR_NO_SUCH_ENTRY;
2103 ("acl-plugin-warning: Trying to create empty MACIP ACL (tag %s)",
2106 /* if replacing the ACL, unapply the classifier tables first - they will be gone.. */
2107 if (~0 != *acl_list_index)
2108 rv = macip_maybe_apply_unapply_classifier_tables (am, *acl_list_index, 0);
2109 void *oldheap = acl_set_heap (am);
2110 /* Create and populate the rules */
2112 vec_validate (acl_new_rules, count - 1);
2114 for (i = 0; i < count; i++)
2116 r = &acl_new_rules[i];
2117 r->is_permit = rules[i].is_permit;
2118 r->is_ipv6 = rules[i].is_ipv6;
2119 memcpy (&r->src_mac, rules[i].src_mac, 6);
2120 memcpy (&r->src_mac_mask, rules[i].src_mac_mask, 6);
2121 if (rules[i].is_ipv6)
2122 memcpy (&r->src_ip_addr.ip6, rules[i].src_ip_addr, 16);
2124 memcpy (&r->src_ip_addr.ip4, rules[i].src_ip_addr, 4);
2125 r->src_prefixlen = rules[i].src_ip_prefix_len;
2128 if (~0 == *acl_list_index)
2131 pool_get_aligned (am->macip_acls, a, CLIB_CACHE_LINE_BYTES);
2132 memset (a, 0, sizeof (*a));
2133 /* Will return the newly allocated ACL index */
2134 *acl_list_index = a - am->macip_acls;
2138 a = pool_elt_at_index (am->macip_acls, *acl_list_index);
2141 vec_free (a->rules);
2143 macip_destroy_classify_tables (am, *acl_list_index);
2146 a->rules = acl_new_rules;
2148 memcpy (a->tag, tag, sizeof (a->tag));
2150 /* Create and populate the classifer tables */
2151 macip_create_classify_tables (am, *acl_list_index);
2152 clib_mem_set_heap (oldheap);
2153 /* If the ACL was already applied somewhere, reapply the newly created tables */
2155 || macip_maybe_apply_unapply_classifier_tables (am, *acl_list_index, 1);
2160 /* No check for validity of sw_if_index - the callers were supposed to validate */
2163 macip_acl_interface_del_acl (acl_main_t * am, u32 sw_if_index)
2166 u32 macip_acl_index;
2167 macip_acl_list_t *a;
2169 macip_acl_index = am->macip_acl_by_sw_if_index[sw_if_index];
2170 /* No point in deleting MACIP ACL which is not applied */
2171 if (~0 == macip_acl_index)
2172 return VNET_API_ERROR_NO_SUCH_ENTRY;
2174 void *oldheap = acl_set_heap (am);
2175 vec_validate_init_empty (am->macip_acl_by_sw_if_index, sw_if_index, ~0);
2176 vec_validate_init_empty (am->sw_if_index_vec_by_macip_acl, macip_acl_index,
2178 clib_mem_set_heap (oldheap);
2179 a = pool_elt_at_index (am->macip_acls, macip_acl_index);
2180 /* remove the classifier tables off the interface L2 ACL */
2182 vnet_set_input_acl_intfc (am->vlib_main, sw_if_index, a->ip4_table_index,
2183 a->ip6_table_index, a->l2_table_index, 0);
2185 vnet_set_output_acl_intfc (am->vlib_main, sw_if_index,
2186 a->out_ip4_table_index, a->out_ip6_table_index,
2187 a->out_l2_table_index, 0);
2188 /* Unset the MACIP ACL index */
2189 am->macip_acl_by_sw_if_index[sw_if_index] = ~0;
2190 am->sw_if_index_vec_by_macip_acl[macip_acl_index] = ~0;
2194 /* No check for validity of sw_if_index - the callers were supposed to validate */
2197 macip_acl_interface_add_acl (acl_main_t * am, u32 sw_if_index,
2198 u32 macip_acl_index)
2200 macip_acl_list_t *a;
2202 if (pool_is_free_index (am->macip_acls, macip_acl_index))
2204 return VNET_API_ERROR_NO_SUCH_ENTRY;
2206 void *oldheap = acl_set_heap (am);
2207 a = pool_elt_at_index (am->macip_acls, macip_acl_index);
2208 vec_validate_init_empty (am->macip_acl_by_sw_if_index, sw_if_index, ~0);
2209 vec_validate_init_empty (am->sw_if_index_vec_by_macip_acl, macip_acl_index,
2211 clib_mem_set_heap (oldheap);
2212 /* If there already a MACIP ACL applied, unapply it */
2213 if (~0 != am->macip_acl_by_sw_if_index[sw_if_index])
2214 macip_acl_interface_del_acl (am, sw_if_index);
2215 am->macip_acl_by_sw_if_index[sw_if_index] = macip_acl_index;
2216 am->sw_if_index_vec_by_macip_acl[macip_acl_index] = sw_if_index;
2218 /* Apply the classifier tables for L2 ACLs */
2220 vnet_set_input_acl_intfc (am->vlib_main, sw_if_index, a->ip4_table_index,
2221 a->ip6_table_index, a->l2_table_index, 1);
2223 vnet_set_output_acl_intfc (am->vlib_main, sw_if_index,
2224 a->out_ip4_table_index, a->out_ip6_table_index,
2225 a->out_l2_table_index, 1);
2230 macip_acl_del_list (u32 acl_list_index)
2232 acl_main_t *am = &acl_main;
2233 macip_acl_list_t *a;
2235 if (pool_is_free_index (am->macip_acls, acl_list_index))
2237 return VNET_API_ERROR_NO_SUCH_ENTRY;
2240 /* delete any references to the ACL */
2241 for (i = 0; i < vec_len (am->macip_acl_by_sw_if_index); i++)
2243 if (am->macip_acl_by_sw_if_index[i] == acl_list_index)
2245 macip_acl_interface_del_acl (am, i);
2249 void *oldheap = acl_set_heap (am);
2250 /* Now that classifier tables are detached, clean them up */
2251 macip_destroy_classify_tables (am, acl_list_index);
2253 /* now we can delete the ACL itself */
2254 a = pool_elt_at_index (am->macip_acls, acl_list_index);
2257 vec_free (a->rules);
2259 pool_put (am->macip_acls, a);
2260 clib_mem_set_heap (oldheap);
2266 macip_acl_interface_add_del_acl (u32 sw_if_index, u8 is_add,
2269 acl_main_t *am = &acl_main;
2273 rv = macip_acl_interface_add_acl (am, sw_if_index, acl_list_index);
2277 rv = macip_acl_interface_del_acl (am, sw_if_index);
2283 * If the client does not allocate enough memory for a variable-length
2284 * message, and then proceed to use it as if the full memory allocated,
2285 * absent the check we happily consume that on the VPP side, and go
2286 * along as if nothing happened. However, the resulting
2287 * effects range from just garbage in the API decode
2288 * (because the decoder snoops too far), to potential memory
2291 * This verifies that the actual length of the message is
2292 * at least expected_len, and complains loudly if it is not.
2294 * A failing check here is 100% a software bug on the API user side,
2295 * so we might as well yell.
2299 verify_message_len (void *mp, u32 expected_len, char *where)
2301 u32 supplied_len = vl_msg_api_get_msg_length (mp);
2302 if (supplied_len < expected_len)
2304 clib_warning ("%s: Supplied message length %d is less than expected %d",
2305 where, supplied_len, expected_len);
2314 /* API message handler */
2316 vl_api_acl_add_replace_t_handler (vl_api_acl_add_replace_t * mp)
2318 vl_api_acl_add_replace_reply_t *rmp;
2319 acl_main_t *am = &acl_main;
2321 u32 acl_list_index = ntohl (mp->acl_index);
2322 u32 acl_count = ntohl (mp->count);
2323 u32 expected_len = sizeof (*mp) + acl_count * sizeof (mp->r[0]);
2325 if (verify_message_len (mp, expected_len, "acl_add_replace"))
2327 rv = acl_add_list (acl_count, mp->r, &acl_list_index, mp->tag);
2331 rv = VNET_API_ERROR_INVALID_VALUE;
2335 REPLY_MACRO2(VL_API_ACL_ADD_REPLACE_REPLY,
2337 rmp->acl_index = htonl(acl_list_index);
2343 vl_api_acl_del_t_handler (vl_api_acl_del_t * mp)
2345 acl_main_t *am = &acl_main;
2346 vl_api_acl_del_reply_t *rmp;
2349 rv = acl_del_list (ntohl (mp->acl_index));
2351 REPLY_MACRO (VL_API_ACL_DEL_REPLY);
2355 vl_api_acl_interface_add_del_t_handler (vl_api_acl_interface_add_del_t * mp)
2357 acl_main_t *am = &acl_main;
2358 vnet_interface_main_t *im = &am->vnet_main->interface_main;
2359 u32 sw_if_index = ntohl (mp->sw_if_index);
2360 vl_api_acl_interface_add_del_reply_t *rmp;
2363 if (pool_is_free_index (im->sw_interfaces, sw_if_index))
2364 rv = VNET_API_ERROR_INVALID_SW_IF_INDEX;
2367 acl_interface_add_del_inout_acl (sw_if_index, mp->is_add,
2368 mp->is_input, ntohl (mp->acl_index));
2370 REPLY_MACRO (VL_API_ACL_INTERFACE_ADD_DEL_REPLY);
2374 vl_api_acl_interface_set_acl_list_t_handler
2375 (vl_api_acl_interface_set_acl_list_t * mp)
2377 acl_main_t *am = &acl_main;
2378 vl_api_acl_interface_set_acl_list_reply_t *rmp;
2381 vnet_interface_main_t *im = &am->vnet_main->interface_main;
2382 u32 sw_if_index = ntohl (mp->sw_if_index);
2384 if (pool_is_free_index (im->sw_interfaces, sw_if_index))
2385 rv = VNET_API_ERROR_INVALID_SW_IF_INDEX;
2388 int may_clear_sessions = 1;
2389 for (i = 0; i < mp->count; i++)
2391 if (acl_is_not_defined (am, ntohl (mp->acls[i])))
2393 /* ACL does not exist, so we can not apply it */
2394 rv = VNET_API_ERROR_NO_SUCH_ENTRY;
2399 void *oldheap = acl_set_heap (am);
2401 u32 *in_acl_vec = 0;
2402 u32 *out_acl_vec = 0;
2403 for (i = 0; i < mp->count; i++)
2404 if (i < mp->n_input)
2405 vec_add1 (in_acl_vec, clib_net_to_host_u32 (mp->acls[i]));
2407 vec_add1 (out_acl_vec, clib_net_to_host_u32 (mp->acls[i]));
2410 acl_interface_set_inout_acl_list (am, sw_if_index, 0, out_acl_vec,
2411 &may_clear_sessions);
2413 || acl_interface_set_inout_acl_list (am, sw_if_index, 1,
2415 &may_clear_sessions);
2416 vec_free (in_acl_vec);
2417 vec_free (out_acl_vec);
2418 clib_mem_set_heap (oldheap);
2422 REPLY_MACRO (VL_API_ACL_INTERFACE_SET_ACL_LIST_REPLY);
2426 copy_acl_rule_to_api_rule (vl_api_acl_rule_t * api_rule, acl_rule_t * r)
2428 api_rule->is_permit = r->is_permit;
2429 api_rule->is_ipv6 = r->is_ipv6;
2432 memcpy (api_rule->src_ip_addr, &r->src, sizeof (r->src));
2433 memcpy (api_rule->dst_ip_addr, &r->dst, sizeof (r->dst));
2437 memcpy (api_rule->src_ip_addr, &r->src.ip4, sizeof (r->src.ip4));
2438 memcpy (api_rule->dst_ip_addr, &r->dst.ip4, sizeof (r->dst.ip4));
2440 api_rule->src_ip_prefix_len = r->src_prefixlen;
2441 api_rule->dst_ip_prefix_len = r->dst_prefixlen;
2442 api_rule->proto = r->proto;
2443 api_rule->srcport_or_icmptype_first = htons (r->src_port_or_type_first);
2444 api_rule->srcport_or_icmptype_last = htons (r->src_port_or_type_last);
2445 api_rule->dstport_or_icmpcode_first = htons (r->dst_port_or_code_first);
2446 api_rule->dstport_or_icmpcode_last = htons (r->dst_port_or_code_last);
2447 api_rule->tcp_flags_mask = r->tcp_flags_mask;
2448 api_rule->tcp_flags_value = r->tcp_flags_value;
2452 send_acl_details (acl_main_t * am, vl_api_registration_t * reg,
2453 acl_list_t * acl, u32 context)
2455 vl_api_acl_details_t *mp;
2456 vl_api_acl_rule_t *rules;
2458 int msg_size = sizeof (*mp) + sizeof (mp->r[0]) * acl->count;
2459 void *oldheap = acl_set_heap (am);
2461 mp = vl_msg_api_alloc (msg_size);
2462 memset (mp, 0, msg_size);
2463 mp->_vl_msg_id = ntohs (VL_API_ACL_DETAILS + am->msg_id_base);
2465 /* fill in the message */
2466 mp->context = context;
2467 mp->count = htonl (acl->count);
2468 mp->acl_index = htonl (acl - am->acls);
2469 memcpy (mp->tag, acl->tag, sizeof (mp->tag));
2470 // clib_memcpy (mp->r, acl->rules, acl->count * sizeof(acl->rules[0]));
2472 for (i = 0; i < acl->count; i++)
2474 copy_acl_rule_to_api_rule (&rules[i], &acl->rules[i]);
2477 clib_mem_set_heap (oldheap);
2478 vl_api_send_msg (reg, (u8 *) mp);
2483 vl_api_acl_dump_t_handler (vl_api_acl_dump_t * mp)
2485 acl_main_t *am = &acl_main;
2489 vl_api_registration_t *reg;
2491 reg = vl_api_client_index_to_registration (mp->client_index);
2495 if (mp->acl_index == ~0)
2498 /* Just dump all ACLs */
2499 pool_foreach (acl, am->acls,
2501 send_acl_details(am, reg, acl, mp->context);
2507 acl_index = ntohl (mp->acl_index);
2508 if (!pool_is_free_index (am->acls, acl_index))
2510 acl = pool_elt_at_index (am->acls, acl_index);
2511 send_acl_details (am, reg, acl, mp->context);
2517 /* FIXME API: should we signal an error here at all ? */
2523 send_acl_interface_list_details (acl_main_t * am,
2524 vl_api_registration_t * reg,
2525 u32 sw_if_index, u32 context)
2527 vl_api_acl_interface_list_details_t *mp;
2533 void *oldheap = acl_set_heap (am);
2535 vec_validate (am->input_acl_vec_by_sw_if_index, sw_if_index);
2536 vec_validate (am->output_acl_vec_by_sw_if_index, sw_if_index);
2538 clib_mem_set_heap (oldheap);
2540 n_input = vec_len (am->input_acl_vec_by_sw_if_index[sw_if_index]);
2541 n_output = vec_len (am->output_acl_vec_by_sw_if_index[sw_if_index]);
2542 count = n_input + n_output;
2544 msg_size = sizeof (*mp);
2545 msg_size += sizeof (mp->acls[0]) * count;
2547 mp = vl_msg_api_alloc (msg_size);
2548 memset (mp, 0, msg_size);
2550 ntohs (VL_API_ACL_INTERFACE_LIST_DETAILS + am->msg_id_base);
2552 /* fill in the message */
2553 mp->context = context;
2554 mp->sw_if_index = htonl (sw_if_index);
2556 mp->n_input = n_input;
2557 for (i = 0; i < n_input; i++)
2559 mp->acls[i] = htonl (am->input_acl_vec_by_sw_if_index[sw_if_index][i]);
2561 for (i = 0; i < n_output; i++)
2563 mp->acls[n_input + i] =
2564 htonl (am->output_acl_vec_by_sw_if_index[sw_if_index][i]);
2566 vl_api_send_msg (reg, (u8 *) mp);
2570 vl_api_acl_interface_list_dump_t_handler (vl_api_acl_interface_list_dump_t *
2573 acl_main_t *am = &acl_main;
2574 vnet_sw_interface_t *swif;
2575 vnet_interface_main_t *im = &am->vnet_main->interface_main;
2578 vl_api_registration_t *reg;
2580 reg = vl_api_client_index_to_registration (mp->client_index);
2584 if (mp->sw_if_index == ~0)
2587 pool_foreach (swif, im->sw_interfaces,
2589 send_acl_interface_list_details(am, reg, swif->sw_if_index, mp->context);
2595 sw_if_index = ntohl (mp->sw_if_index);
2596 if (!pool_is_free_index (im->sw_interfaces, sw_if_index))
2597 send_acl_interface_list_details (am, reg, sw_if_index, mp->context);
2601 /* MACIP ACL API handlers */
2604 vl_api_macip_acl_add_t_handler (vl_api_macip_acl_add_t * mp)
2606 vl_api_macip_acl_add_reply_t *rmp;
2607 acl_main_t *am = &acl_main;
2609 u32 acl_list_index = ~0;
2610 u32 acl_count = ntohl (mp->count);
2611 u32 expected_len = sizeof (*mp) + acl_count * sizeof (mp->r[0]);
2613 if (verify_message_len (mp, expected_len, "macip_acl_add"))
2615 rv = macip_acl_add_list (acl_count, mp->r, &acl_list_index, mp->tag);
2619 rv = VNET_API_ERROR_INVALID_VALUE;
2623 REPLY_MACRO2(VL_API_MACIP_ACL_ADD_REPLY,
2625 rmp->acl_index = htonl(acl_list_index);
2631 vl_api_macip_acl_add_replace_t_handler (vl_api_macip_acl_add_replace_t * mp)
2633 vl_api_macip_acl_add_replace_reply_t *rmp;
2634 acl_main_t *am = &acl_main;
2636 u32 acl_list_index = ntohl (mp->acl_index);
2637 u32 acl_count = ntohl (mp->count);
2638 u32 expected_len = sizeof (*mp) + acl_count * sizeof (mp->r[0]);
2640 if (verify_message_len (mp, expected_len, "macip_acl_add_replace"))
2642 rv = macip_acl_add_list (acl_count, mp->r, &acl_list_index, mp->tag);
2646 rv = VNET_API_ERROR_INVALID_VALUE;
2650 REPLY_MACRO2(VL_API_MACIP_ACL_ADD_REPLACE_REPLY,
2652 rmp->acl_index = htonl(acl_list_index);
2658 vl_api_macip_acl_del_t_handler (vl_api_macip_acl_del_t * mp)
2660 acl_main_t *am = &acl_main;
2661 vl_api_macip_acl_del_reply_t *rmp;
2664 rv = macip_acl_del_list (ntohl (mp->acl_index));
2666 REPLY_MACRO (VL_API_MACIP_ACL_DEL_REPLY);
2670 vl_api_macip_acl_interface_add_del_t_handler
2671 (vl_api_macip_acl_interface_add_del_t * mp)
2673 acl_main_t *am = &acl_main;
2674 vl_api_macip_acl_interface_add_del_reply_t *rmp;
2676 vnet_interface_main_t *im = &am->vnet_main->interface_main;
2677 u32 sw_if_index = ntohl (mp->sw_if_index);
2679 if (pool_is_free_index (im->sw_interfaces, sw_if_index))
2680 rv = VNET_API_ERROR_INVALID_SW_IF_INDEX;
2683 macip_acl_interface_add_del_acl (ntohl (mp->sw_if_index), mp->is_add,
2684 ntohl (mp->acl_index));
2686 REPLY_MACRO (VL_API_MACIP_ACL_INTERFACE_ADD_DEL_REPLY);
2690 send_macip_acl_details (acl_main_t * am, vl_api_registration_t * reg,
2691 macip_acl_list_t * acl, u32 context)
2693 vl_api_macip_acl_details_t *mp;
2694 vl_api_macip_acl_rule_t *rules;
2695 macip_acl_rule_t *r;
2697 int msg_size = sizeof (*mp) + (acl ? sizeof (mp->r[0]) * acl->count : 0);
2699 mp = vl_msg_api_alloc (msg_size);
2700 memset (mp, 0, msg_size);
2701 mp->_vl_msg_id = ntohs (VL_API_MACIP_ACL_DETAILS + am->msg_id_base);
2703 /* fill in the message */
2704 mp->context = context;
2707 memcpy (mp->tag, acl->tag, sizeof (mp->tag));
2708 mp->count = htonl (acl->count);
2709 mp->acl_index = htonl (acl - am->macip_acls);
2711 for (i = 0; i < acl->count; i++)
2714 rules[i].is_permit = r->is_permit;
2715 rules[i].is_ipv6 = r->is_ipv6;
2716 memcpy (rules[i].src_mac, &r->src_mac, sizeof (r->src_mac));
2717 memcpy (rules[i].src_mac_mask, &r->src_mac_mask,
2718 sizeof (r->src_mac_mask));
2720 memcpy (rules[i].src_ip_addr, &r->src_ip_addr.ip6,
2721 sizeof (r->src_ip_addr.ip6));
2723 memcpy (rules[i].src_ip_addr, &r->src_ip_addr.ip4,
2724 sizeof (r->src_ip_addr.ip4));
2725 rules[i].src_ip_prefix_len = r->src_prefixlen;
2730 /* No martini, no party - no ACL applied to this interface. */
2735 vl_api_send_msg (reg, (u8 *) mp);
2740 vl_api_macip_acl_dump_t_handler (vl_api_macip_acl_dump_t * mp)
2742 acl_main_t *am = &acl_main;
2743 macip_acl_list_t *acl;
2745 vl_api_registration_t *reg;
2747 reg = vl_api_client_index_to_registration (mp->client_index);
2751 if (mp->acl_index == ~0)
2753 /* Just dump all ACLs for now, with sw_if_index = ~0 */
2754 pool_foreach (acl, am->macip_acls, (
2756 send_macip_acl_details (am, reg,
2765 u32 acl_index = ntohl (mp->acl_index);
2766 if (!pool_is_free_index (am->macip_acls, acl_index))
2768 acl = pool_elt_at_index (am->macip_acls, acl_index);
2769 send_macip_acl_details (am, reg, acl, mp->context);
2775 vl_api_macip_acl_interface_get_t_handler (vl_api_macip_acl_interface_get_t *
2778 acl_main_t *am = &acl_main;
2779 vl_api_macip_acl_interface_get_reply_t *rmp;
2780 u32 count = vec_len (am->macip_acl_by_sw_if_index);
2781 int msg_size = sizeof (*rmp) + sizeof (rmp->acls[0]) * count;
2782 vl_api_registration_t *reg;
2785 reg = vl_api_client_index_to_registration (mp->client_index);
2789 rmp = vl_msg_api_alloc (msg_size);
2790 memset (rmp, 0, msg_size);
2792 ntohs (VL_API_MACIP_ACL_INTERFACE_GET_REPLY + am->msg_id_base);
2793 rmp->context = mp->context;
2794 rmp->count = htonl (count);
2795 for (i = 0; i < count; i++)
2797 rmp->acls[i] = htonl (am->macip_acl_by_sw_if_index[i]);
2800 vl_api_send_msg (reg, (u8 *) rmp);
2804 send_macip_acl_interface_list_details (acl_main_t * am,
2805 vl_api_registration_t * reg,
2807 u32 acl_index, u32 context)
2809 vl_api_macip_acl_interface_list_details_t *rmp;
2810 /* at this time there is only ever 1 mac ip acl per interface */
2811 int msg_size = sizeof (*rmp) + sizeof (rmp->acls[0]);
2813 rmp = vl_msg_api_alloc (msg_size);
2814 memset (rmp, 0, msg_size);
2816 ntohs (VL_API_MACIP_ACL_INTERFACE_LIST_DETAILS + am->msg_id_base);
2818 /* fill in the message */
2819 rmp->context = context;
2821 rmp->sw_if_index = htonl (sw_if_index);
2822 rmp->acls[0] = htonl (acl_index);
2824 vl_api_send_msg (reg, (u8 *) rmp);
2828 vl_api_macip_acl_interface_list_dump_t_handler
2829 (vl_api_macip_acl_interface_list_dump_t * mp)
2831 vl_api_registration_t *reg;
2832 acl_main_t *am = &acl_main;
2833 u32 sw_if_index = ntohl (mp->sw_if_index);
2835 reg = vl_api_client_index_to_registration (mp->client_index);
2839 if (sw_if_index == ~0)
2841 vec_foreach_index (sw_if_index, am->macip_acl_by_sw_if_index)
2843 if (~0 != am->macip_acl_by_sw_if_index[sw_if_index])
2845 send_macip_acl_interface_list_details (am, reg, sw_if_index,
2846 am->macip_acl_by_sw_if_index
2854 if (vec_len (am->macip_acl_by_sw_if_index) > sw_if_index)
2856 send_macip_acl_interface_list_details (am, reg, sw_if_index,
2857 am->macip_acl_by_sw_if_index
2858 [sw_if_index], mp->context);
2864 vl_api_acl_interface_set_etype_whitelist_t_handler
2865 (vl_api_acl_interface_set_etype_whitelist_t * mp)
2867 acl_main_t *am = &acl_main;
2868 vl_api_acl_interface_set_etype_whitelist_reply_t *rmp;
2871 vnet_interface_main_t *im = &am->vnet_main->interface_main;
2872 u32 sw_if_index = ntohl (mp->sw_if_index);
2873 u16 *vec_in = 0, *vec_out = 0;
2874 void *oldheap = acl_set_heap (am);
2876 if (pool_is_free_index (im->sw_interfaces, sw_if_index))
2877 rv = VNET_API_ERROR_INVALID_SW_IF_INDEX;
2880 for (i = 0; i < mp->count; i++)
2882 if (i < mp->n_input)
2883 vec_add1 (vec_in, ntohs (mp->whitelist[i]));
2885 vec_add1 (vec_out, ntohs (mp->whitelist[i]));
2887 rv = acl_set_etype_whitelists (am, sw_if_index, vec_in, vec_out);
2890 clib_mem_set_heap (oldheap);
2891 REPLY_MACRO (VL_API_ACL_INTERFACE_SET_ETYPE_WHITELIST_REPLY);
2895 send_acl_interface_etype_whitelist_details (acl_main_t * am,
2896 vl_api_registration_t * reg,
2897 u32 sw_if_index, u32 context)
2899 vl_api_acl_interface_etype_whitelist_details_t *mp;
2906 u16 *whitelist_in = 0;
2907 u16 *whitelist_out = 0;
2909 if (intf_has_etype_whitelist (am, sw_if_index, 0))
2911 vec_elt (am->output_etype_whitelist_by_sw_if_index, sw_if_index);
2913 if (intf_has_etype_whitelist (am, sw_if_index, 1))
2915 vec_elt (am->input_etype_whitelist_by_sw_if_index, sw_if_index);
2917 if ((0 == whitelist_in) && (0 == whitelist_out))
2918 return; /* nothing to do */
2920 void *oldheap = acl_set_heap (am);
2922 n_input = vec_len (whitelist_in);
2923 n_output = vec_len (whitelist_out);
2924 count = n_input + n_output;
2926 msg_size = sizeof (*mp);
2927 msg_size += sizeof (mp->whitelist[0]) * count;
2929 mp = vl_msg_api_alloc (msg_size);
2930 memset (mp, 0, msg_size);
2932 ntohs (VL_API_ACL_INTERFACE_ETYPE_WHITELIST_DETAILS + am->msg_id_base);
2934 /* fill in the message */
2935 mp->context = context;
2936 mp->sw_if_index = htonl (sw_if_index);
2938 mp->n_input = n_input;
2939 for (i = 0; i < n_input; i++)
2941 mp->whitelist[i] = htons (whitelist_in[i]);
2943 for (i = 0; i < n_output; i++)
2945 mp->whitelist[n_input + i] = htons (whitelist_out[i]);
2947 clib_mem_set_heap (oldheap);
2948 vl_api_send_msg (reg, (u8 *) mp);
2953 vl_api_acl_interface_etype_whitelist_dump_t_handler
2954 (vl_api_acl_interface_list_dump_t * mp)
2956 acl_main_t *am = &acl_main;
2957 vnet_sw_interface_t *swif;
2958 vnet_interface_main_t *im = &am->vnet_main->interface_main;
2961 vl_api_registration_t *reg;
2963 reg = vl_api_client_index_to_registration (mp->client_index);
2967 if (mp->sw_if_index == ~0)
2970 pool_foreach (swif, im->sw_interfaces,
2972 send_acl_interface_etype_whitelist_details(am, reg, swif->sw_if_index, mp->context);
2978 sw_if_index = ntohl (mp->sw_if_index);
2979 if (!pool_is_free_index (im->sw_interfaces, sw_if_index))
2980 send_acl_interface_etype_whitelist_details (am, reg, sw_if_index,
2987 /* Set up the API message handling tables */
2988 static clib_error_t *
2989 acl_plugin_api_hookup (vlib_main_t * vm)
2991 acl_main_t *am = &acl_main;
2993 vl_msg_api_set_handlers((VL_API_##N + am->msg_id_base), \
2995 vl_api_##n##_t_handler, \
2997 vl_api_##n##_t_endian, \
2998 vl_api_##n##_t_print, \
2999 sizeof(vl_api_##n##_t), 1);
3000 foreach_acl_plugin_api_msg;
3006 #define vl_msg_name_crc_list
3007 #include <acl/acl_all_api_h.h>
3008 #undef vl_msg_name_crc_list
3011 setup_message_id_table (acl_main_t * am, api_main_t * apim)
3013 #define _(id,n,crc) \
3014 vl_msg_api_add_msg_name_crc (apim, #n "_" #crc, id + am->msg_id_base);
3015 foreach_vl_msg_name_crc_acl;
3020 acl_setup_fa_nodes (void)
3022 vlib_main_t *vm = vlib_get_main ();
3023 acl_main_t *am = &acl_main;
3024 vlib_node_t *n, *n4, *n6;
3026 n = vlib_get_node_by_name (vm, (u8 *) "l2-input-classify");
3027 n4 = vlib_get_node_by_name (vm, (u8 *) "acl-plugin-in-ip4-l2");
3028 n6 = vlib_get_node_by_name (vm, (u8 *) "acl-plugin-in-ip6-l2");
3031 am->l2_input_classify_next_acl_ip4 =
3032 vlib_node_add_next_with_slot (vm, n->index, n4->index, ~0);
3033 am->l2_input_classify_next_acl_ip6 =
3034 vlib_node_add_next_with_slot (vm, n->index, n6->index, ~0);
3036 feat_bitmap_init_next_nodes (vm, n4->index, L2INPUT_N_FEAT,
3037 l2input_get_feat_names (),
3038 am->fa_acl_in_ip4_l2_node_feat_next_node_index);
3040 feat_bitmap_init_next_nodes (vm, n6->index, L2INPUT_N_FEAT,
3041 l2input_get_feat_names (),
3042 am->fa_acl_in_ip6_l2_node_feat_next_node_index);
3045 n = vlib_get_node_by_name (vm, (u8 *) "l2-output-classify");
3046 n4 = vlib_get_node_by_name (vm, (u8 *) "acl-plugin-out-ip4-l2");
3047 n6 = vlib_get_node_by_name (vm, (u8 *) "acl-plugin-out-ip6-l2");
3049 am->l2_output_classify_next_acl_ip4 =
3050 vlib_node_add_next_with_slot (vm, n->index, n4->index, ~0);
3051 am->l2_output_classify_next_acl_ip6 =
3052 vlib_node_add_next_with_slot (vm, n->index, n6->index, ~0);
3054 feat_bitmap_init_next_nodes (vm, n4->index, L2OUTPUT_N_FEAT,
3055 l2output_get_feat_names (),
3056 am->fa_acl_out_ip4_l2_node_feat_next_node_index);
3058 feat_bitmap_init_next_nodes (vm, n6->index, L2OUTPUT_N_FEAT,
3059 l2output_get_feat_names (),
3060 am->fa_acl_out_ip6_l2_node_feat_next_node_index);
3064 acl_set_timeout_sec (int timeout_type, u32 value)
3066 acl_main_t *am = &acl_main;
3067 clib_time_t *ct = &am->vlib_main->clib_time;
3069 if (timeout_type < ACL_N_TIMEOUTS)
3071 am->session_timeout_sec[timeout_type] = value;
3075 clib_warning ("Unknown timeout type %d", timeout_type);
3078 am->session_timeout[timeout_type] =
3079 (u64) (((f64) value) / ct->seconds_per_clock);
3083 acl_set_session_max_entries (u32 value)
3085 acl_main_t *am = &acl_main;
3086 am->fa_conn_table_max_entries = value;
3090 acl_set_skip_ipv6_eh (u32 eh, u32 value)
3092 acl_main_t *am = &acl_main;
3094 if ((eh < 256) && (value < 2))
3096 am->fa_ipv6_known_eh_bitmap =
3097 clib_bitmap_set (am->fa_ipv6_known_eh_bitmap, eh, value);
3105 static clib_error_t *
3106 acl_sw_interface_add_del (vnet_main_t * vnm, u32 sw_if_index, u32 is_add)
3108 acl_main_t *am = &acl_main;
3109 if (0 == am->acl_mheap)
3111 /* ACL heap is not initialized, so definitely nothing to do. */
3116 int may_clear_sessions = 1;
3117 vlib_process_signal_event (am->vlib_main, am->fa_cleaner_node_index,
3118 ACL_FA_CLEANER_DELETE_BY_SW_IF_INDEX,
3120 /* also unapply any ACLs in case the users did not do so. */
3121 macip_acl_interface_del_acl (am, sw_if_index);
3122 acl_interface_reset_inout_acls (sw_if_index, 0, &may_clear_sessions);
3123 acl_interface_reset_inout_acls (sw_if_index, 1, &may_clear_sessions);
3128 VNET_SW_INTERFACE_ADD_DEL_FUNCTION (acl_sw_interface_add_del);
3132 static clib_error_t *
3133 acl_set_aclplugin_fn (vlib_main_t * vm,
3134 unformat_input_t * input, vlib_cli_command_t * cmd)
3136 clib_error_t *error = 0;
3140 uword memory_size = 0;
3141 acl_main_t *am = &acl_main;
3143 if (unformat (input, "skip-ipv6-extension-header %u %u", &eh_val, &val))
3145 if (!acl_set_skip_ipv6_eh (eh_val, val))
3147 error = clib_error_return (0, "expecting eh=0..255, value=0..1");
3151 if (unformat (input, "use-hash-acl-matching %u", &val))
3153 am->use_hash_acl_matching = (val != 0);
3156 if (unformat (input, "l4-match-nonfirst-fragment %u", &val))
3158 am->l4_match_nonfirst_fragment = (val != 0);
3161 if (unformat (input, "event-trace"))
3163 if (!unformat (input, "%u", &val))
3165 error = clib_error_return (0,
3166 "expecting trace level, got `%U`",
3167 format_unformat_error, input);
3172 am->trace_acl = val;
3176 if (unformat (input, "heap"))
3178 if (unformat (input, "main"))
3180 if (unformat (input, "validate %u", &val))
3181 acl_plugin_acl_set_validate_heap (am, val);
3182 else if (unformat (input, "trace %u", &val))
3183 acl_plugin_acl_set_trace_heap (am, val);
3186 else if (unformat (input, "hash"))
3188 if (unformat (input, "validate %u", &val))
3189 acl_plugin_hash_acl_set_validate_heap (val);
3190 else if (unformat (input, "trace %u", &val))
3191 acl_plugin_hash_acl_set_trace_heap (val);
3196 if (unformat (input, "session"))
3198 if (unformat (input, "table"))
3200 /* The commands here are for tuning/testing. No user-serviceable parts inside */
3201 if (unformat (input, "max-entries"))
3203 if (!unformat (input, "%u", &val))
3205 error = clib_error_return (0,
3206 "expecting maximum number of entries, got `%U`",
3207 format_unformat_error, input);
3212 acl_set_session_max_entries (val);
3216 if (unformat (input, "hash-table-buckets"))
3218 if (!unformat (input, "%u", &val))
3220 error = clib_error_return (0,
3221 "expecting maximum number of hash table buckets, got `%U`",
3222 format_unformat_error, input);
3227 am->fa_conn_table_hash_num_buckets = val;
3231 if (unformat (input, "hash-table-memory"))
3233 if (!unformat (input, "%U", unformat_memory_size, &memory_size))
3235 error = clib_error_return (0,
3236 "expecting maximum amount of hash table memory, got `%U`",
3237 format_unformat_error, input);
3242 am->fa_conn_table_hash_memory_size = memory_size;
3246 if (unformat (input, "event-trace"))
3248 if (!unformat (input, "%u", &val))
3250 error = clib_error_return (0,
3251 "expecting trace level, got `%U`",
3252 format_unformat_error, input);
3257 am->trace_sessions = val;
3263 if (unformat (input, "timeout"))
3265 if (unformat (input, "udp"))
3267 if (unformat (input, "idle"))
3269 if (!unformat (input, "%u", &timeout))
3271 error = clib_error_return (0,
3272 "expecting timeout value in seconds, got `%U`",
3273 format_unformat_error,
3279 acl_set_timeout_sec (ACL_TIMEOUT_UDP_IDLE, timeout);
3284 if (unformat (input, "tcp"))
3286 if (unformat (input, "idle"))
3288 if (!unformat (input, "%u", &timeout))
3290 error = clib_error_return (0,
3291 "expecting timeout value in seconds, got `%U`",
3292 format_unformat_error,
3298 acl_set_timeout_sec (ACL_TIMEOUT_TCP_IDLE, timeout);
3302 if (unformat (input, "transient"))
3304 if (!unformat (input, "%u", &timeout))
3306 error = clib_error_return (0,
3307 "expecting timeout value in seconds, got `%U`",
3308 format_unformat_error,
3314 acl_set_timeout_sec (ACL_TIMEOUT_TCP_TRANSIENT,
3328 my_format_mac_address (u8 * s, va_list * args)
3330 u8 *a = va_arg (*args, u8 *);
3331 return format (s, "%02x:%02x:%02x:%02x:%02x:%02x",
3332 a[0], a[1], a[2], a[3], a[4], a[5]);
3336 my_macip_acl_rule_t_pretty_format (u8 * out, va_list * args)
3338 macip_acl_rule_t *a = va_arg (*args, macip_acl_rule_t *);
3340 out = format (out, "%s action %d ip %U/%d mac %U mask %U",
3341 a->is_ipv6 ? "ipv6" : "ipv4", a->is_permit,
3342 format_ip46_address, &a->src_ip_addr,
3343 a->is_ipv6 ? IP46_TYPE_IP6 : IP46_TYPE_IP4,
3345 my_format_mac_address, a->src_mac,
3346 my_format_mac_address, a->src_mac_mask);
3351 macip_acl_print (acl_main_t * am, u32 macip_acl_index)
3353 vlib_main_t *vm = am->vlib_main;
3356 /* Don't try to print someone else's memory */
3357 if (macip_acl_index > vec_len (am->macip_acls))
3360 macip_acl_list_t *a = vec_elt_at_index (am->macip_acls, macip_acl_index);
3361 int free_pool_slot = pool_is_free_index (am->macip_acls, macip_acl_index);
3363 vlib_cli_output (vm,
3364 "MACIP acl_index: %d, count: %d (true len %d) tag {%s} is free pool slot: %d\n",
3365 macip_acl_index, a->count, vec_len (a->rules), a->tag,
3367 vlib_cli_output (vm,
3368 " ip4_table_index %d, ip6_table_index %d, l2_table_index %d\n",
3369 a->ip4_table_index, a->ip6_table_index, a->l2_table_index);
3370 vlib_cli_output (vm,
3371 " out_ip4_table_index %d, out_ip6_table_index %d, out_l2_table_index %d\n",
3372 a->out_ip4_table_index, a->out_ip6_table_index,
3373 a->out_l2_table_index);
3374 for (i = 0; i < vec_len (a->rules); i++)
3375 vlib_cli_output (vm, " rule %d: %U\n", i,
3376 my_macip_acl_rule_t_pretty_format,
3377 vec_elt_at_index (a->rules, i));
3381 static clib_error_t *
3382 acl_show_aclplugin_macip_acl_fn (vlib_main_t * vm,
3384 input, vlib_cli_command_t * cmd)
3386 clib_error_t *error = 0;
3387 acl_main_t *am = &acl_main;
3391 (void) unformat (input, "index %u", &acl_index);
3393 for (i = 0; i < vec_len (am->macip_acls); i++)
3395 /* Don't attempt to show the ACLs that do not exist */
3396 if (pool_is_free_index (am->macip_acls, i))
3399 if ((acl_index != ~0) && (acl_index != i))
3404 macip_acl_print (am, i);
3405 if (i < vec_len (am->sw_if_index_vec_by_macip_acl))
3407 vlib_cli_output (vm, " applied on sw_if_index: %d\n",
3408 vec_elt (am->sw_if_index_vec_by_macip_acl, i));
3415 static clib_error_t *
3416 acl_show_aclplugin_macip_interface_fn (vlib_main_t * vm,
3418 input, vlib_cli_command_t * cmd)
3420 clib_error_t *error = 0;
3421 acl_main_t *am = &acl_main;
3423 for (i = 0; i < vec_len (am->macip_acl_by_sw_if_index); i++)
3425 vlib_cli_output (vm, " sw_if_index %d: %d\n", i,
3426 vec_elt (am->macip_acl_by_sw_if_index, i));
3432 acl_plugin_show_acl (acl_main_t * am, u32 acl_index)
3435 vlib_main_t *vm = am->vlib_main;
3437 for (i = 0; i < vec_len (am->acls); i++)
3439 if (acl_is_not_defined (am, i))
3441 /* don't attempt to show the ACLs that do not exist */
3444 if ((acl_index != ~0) && (acl_index != i))
3448 acl_print_acl (vm, am, i);
3450 if (i < vec_len (am->input_sw_if_index_vec_by_acl))
3452 vlib_cli_output (vm, " applied inbound on sw_if_index: %U\n",
3453 format_vec32, am->input_sw_if_index_vec_by_acl[i],
3456 if (i < vec_len (am->output_sw_if_index_vec_by_acl))
3458 vlib_cli_output (vm, " applied outbound on sw_if_index: %U\n",
3459 format_vec32, am->output_sw_if_index_vec_by_acl[i],
3462 if (i < vec_len (am->lc_index_vec_by_acl))
3464 vlib_cli_output (vm, " used in lookup context index: %U\n",
3465 format_vec32, am->lc_index_vec_by_acl[i], "%d");
3470 static clib_error_t *
3471 acl_show_aclplugin_acl_fn (vlib_main_t * vm,
3472 unformat_input_t * input, vlib_cli_command_t * cmd)
3474 clib_error_t *error = 0;
3475 acl_main_t *am = &acl_main;
3478 (void) unformat (input, "index %u", &acl_index);
3480 acl_plugin_show_acl (am, acl_index);
3484 static clib_error_t *
3485 acl_show_aclplugin_lookup_context_fn (vlib_main_t * vm,
3486 unformat_input_t * input,
3487 vlib_cli_command_t * cmd)
3489 clib_error_t *error = 0;
3492 (void) unformat (input, "index %u", &lc_index);
3494 acl_plugin_show_lookup_context (lc_index);
3498 static clib_error_t *
3499 acl_show_aclplugin_lookup_user_fn (vlib_main_t * vm,
3500 unformat_input_t * input,
3501 vlib_cli_command_t * cmd)
3503 clib_error_t *error = 0;
3506 (void) unformat (input, "index %u", &lc_index);
3508 acl_plugin_show_lookup_user (lc_index);
3514 acl_plugin_show_interface (acl_main_t * am, u32 sw_if_index, int show_acl,
3517 vlib_main_t *vm = am->vlib_main;
3520 for (swi = 0; (swi < vec_len (am->input_acl_vec_by_sw_if_index)) ||
3521 (swi < vec_len (am->output_acl_vec_by_sw_if_index)); swi++)
3523 /* if we need a particular interface, skip all the others */
3524 if ((sw_if_index != ~0) && (sw_if_index != swi))
3527 vlib_cli_output (vm, "sw_if_index %d:\n", swi);
3529 if (intf_has_etype_whitelist (am, swi, 1))
3531 vlib_cli_output (vm, " input etype whitelist: %U", format_vec16,
3532 am->input_etype_whitelist_by_sw_if_index[swi],
3535 if (intf_has_etype_whitelist (am, swi, 0))
3537 vlib_cli_output (vm, " output etype whitelist: %U", format_vec16,
3538 am->output_etype_whitelist_by_sw_if_index[swi],
3542 if ((swi < vec_len (am->input_acl_vec_by_sw_if_index)) &&
3543 (vec_len (am->input_acl_vec_by_sw_if_index[swi]) > 0))
3545 vlib_cli_output (vm, " input acl(s): %U", format_vec32,
3546 am->input_acl_vec_by_sw_if_index[swi], "%d");
3549 vlib_cli_output (vm, "\n");
3550 vec_foreach (pj, am->input_acl_vec_by_sw_if_index[swi])
3552 acl_print_acl (vm, am, *pj);
3554 vlib_cli_output (vm, "\n");
3558 if ((swi < vec_len (am->output_acl_vec_by_sw_if_index)) &&
3559 (vec_len (am->output_acl_vec_by_sw_if_index[swi]) > 0))
3561 vlib_cli_output (vm, " output acl(s): %U", format_vec32,
3562 am->output_acl_vec_by_sw_if_index[swi], "%d");
3565 vlib_cli_output (vm, "\n");
3566 vec_foreach (pj, am->output_acl_vec_by_sw_if_index[swi])
3568 acl_print_acl (vm, am, *pj);
3570 vlib_cli_output (vm, "\n");
3573 if (detail && (swi < vec_len (am->input_lc_index_by_sw_if_index)))
3575 vlib_cli_output (vm, " input lookup context index: %d",
3576 am->input_lc_index_by_sw_if_index[swi]);
3578 if (detail && (swi < vec_len (am->output_lc_index_by_sw_if_index)))
3580 vlib_cli_output (vm, " output lookup context index: %d",
3581 am->output_lc_index_by_sw_if_index[swi]);
3588 static clib_error_t *
3589 acl_show_aclplugin_decode_5tuple_fn (vlib_main_t * vm,
3590 unformat_input_t * input,
3591 vlib_cli_command_t * cmd)
3593 clib_error_t *error = 0;
3594 u64 five_tuple[6] = { 0, 0, 0, 0, 0, 0 };
3597 (input, "%llx %llx %llx %llx %llx %llx", &five_tuple[0], &five_tuple[1],
3598 &five_tuple[2], &five_tuple[3], &five_tuple[4], &five_tuple[5]))
3599 vlib_cli_output (vm, "5-tuple structure decode: %U\n\n",
3600 format_acl_plugin_5tuple, five_tuple);
3602 error = clib_error_return (0, "expecting 6 hex integers");
3607 static clib_error_t *
3608 acl_show_aclplugin_interface_fn (vlib_main_t * vm,
3610 input, vlib_cli_command_t * cmd)
3612 clib_error_t *error = 0;
3613 acl_main_t *am = &acl_main;
3615 u32 sw_if_index = ~0;
3616 (void) unformat (input, "sw_if_index %u", &sw_if_index);
3617 int show_acl = unformat (input, "acl");
3618 int detail = unformat (input, "detail");
3620 acl_plugin_show_interface (am, sw_if_index, show_acl, detail);
3624 static clib_error_t *
3625 acl_show_aclplugin_memory_fn (vlib_main_t * vm,
3626 unformat_input_t * input,
3627 vlib_cli_command_t * cmd)
3629 clib_error_t *error = 0;
3630 acl_main_t *am = &acl_main;
3632 vlib_cli_output (vm, "ACL plugin main heap statistics:\n");
3635 vlib_cli_output (vm, " %U\n", format_mheap, am->acl_mheap, 1);
3639 vlib_cli_output (vm, " Not initialized\n");
3641 vlib_cli_output (vm, "ACL hash lookup support heap statistics:\n");
3642 if (am->hash_lookup_mheap)
3644 vlib_cli_output (vm, " %U\n", format_mheap, am->hash_lookup_mheap, 1);
3648 vlib_cli_output (vm, " Not initialized\n");
3654 acl_plugin_show_sessions (acl_main_t * am,
3655 u32 show_session_thread_id,
3656 u32 show_session_session_index)
3658 vlib_main_t *vm = am->vlib_main;
3660 vnet_interface_main_t *im = &am->vnet_main->interface_main;
3661 vnet_sw_interface_t *swif;
3664 u64 n_adds = am->fa_session_total_adds;
3665 u64 n_dels = am->fa_session_total_dels;
3666 vlib_cli_output (vm, "Sessions total: add %lu - del %lu = %lu", n_adds,
3667 n_dels, n_adds - n_dels);
3669 vlib_cli_output (vm, "\n\nPer-thread data:");
3670 for (wk = 0; wk < vec_len (am->per_worker_data); wk++)
3672 acl_fa_per_worker_data_t *pw = &am->per_worker_data[wk];
3673 vlib_cli_output (vm, "Thread #%d:", wk);
3674 if (show_session_thread_id == wk
3675 && show_session_session_index < pool_len (pw->fa_sessions_pool))
3677 vlib_cli_output (vm, " session index %u:",
3678 show_session_session_index);
3679 fa_session_t *sess =
3680 pw->fa_sessions_pool + show_session_session_index;
3681 u64 *m = (u64 *) & sess->info;
3682 vlib_cli_output (vm,
3683 " info: %016llx %016llx %016llx %016llx %016llx %016llx",
3684 m[0], m[1], m[2], m[3], m[4], m[5]);
3685 vlib_cli_output (vm, " sw_if_index: %u", sess->sw_if_index);
3686 vlib_cli_output (vm, " tcp_flags_seen: %x",
3687 sess->tcp_flags_seen.as_u16);
3688 vlib_cli_output (vm, " last active time: %lu",
3689 sess->last_active_time);
3690 vlib_cli_output (vm, " thread index: %u", sess->thread_index);
3691 vlib_cli_output (vm, " link enqueue time: %lu",
3692 sess->link_enqueue_time);
3693 vlib_cli_output (vm, " link next index: %u",
3694 sess->link_next_idx);
3695 vlib_cli_output (vm, " link prev index: %u",
3696 sess->link_prev_idx);
3697 vlib_cli_output (vm, " link list id: %u", sess->link_list_id);
3699 vlib_cli_output (vm, " connection add/del stats:", wk);
3700 pool_foreach (swif, im->sw_interfaces, (
3707 (pw->fa_session_adds_by_sw_if_index)
3709 pw->fa_session_adds_by_sw_if_index
3714 (pw->fa_session_dels_by_sw_if_index)
3716 pw->fa_session_dels_by_sw_if_index
3718 vlib_cli_output (vm,
3719 " sw_if_index %d: add %lu - del %lu = %lu",
3728 vlib_cli_output (vm, " connection timeout type lists:", wk);
3730 for (tt = 0; tt < ACL_N_TIMEOUTS; tt++)
3732 u32 head_session_index = pw->fa_conn_list_head[tt];
3733 vlib_cli_output (vm, " fa_conn_list_head[%d]: %d", tt,
3734 head_session_index);
3735 if (~0 != head_session_index)
3737 fa_session_t *sess = pw->fa_sessions_pool + head_session_index;
3738 vlib_cli_output (vm, " last active time: %lu",
3739 sess->last_active_time);
3740 vlib_cli_output (vm, " link enqueue time: %lu",
3741 sess->link_enqueue_time);
3745 vlib_cli_output (vm, " Next expiry time: %lu", pw->next_expiry_time);
3746 vlib_cli_output (vm, " Requeue until time: %lu",
3747 pw->requeue_until_time);
3748 vlib_cli_output (vm, " Current time wait interval: %lu",
3749 pw->current_time_wait_interval);
3750 vlib_cli_output (vm, " Count of deleted sessions: %lu",
3751 pw->cnt_deleted_sessions);
3752 vlib_cli_output (vm, " Delete already deleted: %lu",
3753 pw->cnt_already_deleted_sessions);
3754 vlib_cli_output (vm, " Session timers restarted: %lu",
3755 pw->cnt_session_timer_restarted);
3756 vlib_cli_output (vm, " Swipe until this time: %lu",
3757 pw->swipe_end_time);
3758 vlib_cli_output (vm, " sw_if_index serviced bitmap: %U",
3759 format_bitmap_hex, pw->serviced_sw_if_index_bitmap);
3760 vlib_cli_output (vm, " pending clear intfc bitmap : %U",
3762 pw->pending_clear_sw_if_index_bitmap);
3763 vlib_cli_output (vm, " clear in progress: %u", pw->clear_in_process);
3764 vlib_cli_output (vm, " interrupt is pending: %d",
3765 pw->interrupt_is_pending);
3766 vlib_cli_output (vm, " interrupt is needed: %d",
3767 pw->interrupt_is_needed);
3768 vlib_cli_output (vm, " interrupt is unwanted: %d",
3769 pw->interrupt_is_unwanted);
3770 vlib_cli_output (vm, " interrupt generation: %d",
3771 pw->interrupt_generation);
3773 vlib_cli_output (vm, "\n\nConn cleaner thread counters:");
3774 #define _(cnt, desc) vlib_cli_output(vm, " %20lu: %s", am->cnt, desc);
3775 foreach_fa_cleaner_counter;
3777 vlib_cli_output (vm, "Interrupt generation: %d",
3778 am->fa_interrupt_generation);
3779 vlib_cli_output (vm,
3780 "Sessions per interval: min %lu max %lu increment: %f ms current: %f ms",
3781 am->fa_min_deleted_sessions_per_interval,
3782 am->fa_max_deleted_sessions_per_interval,
3783 am->fa_cleaner_wait_time_increment * 1000.0,
3784 ((f64) am->fa_current_cleaner_timer_wait_interval) *
3785 1000.0 / (f64) vm->clib_time.clocks_per_second);
3788 static clib_error_t *
3789 acl_show_aclplugin_sessions_fn (vlib_main_t * vm,
3790 unformat_input_t * input,
3791 vlib_cli_command_t * cmd)
3793 clib_error_t *error = 0;
3794 acl_main_t *am = &acl_main;
3796 u32 show_bihash_verbose = 0;
3797 u32 show_session_thread_id = ~0;
3798 u32 show_session_session_index = ~0;
3799 (void) unformat (input, "thread %u index %u", &show_session_thread_id,
3800 &show_session_session_index);
3801 (void) unformat (input, "verbose %u", &show_bihash_verbose);
3803 acl_plugin_show_sessions (am, show_session_thread_id,
3804 show_session_session_index);
3805 show_fa_sessions_hash (vm, show_bihash_verbose);
3809 static clib_error_t *
3810 acl_show_aclplugin_tables_fn (vlib_main_t * vm,
3811 unformat_input_t * input,
3812 vlib_cli_command_t * cmd)
3814 clib_error_t *error = 0;
3817 u32 sw_if_index = ~0;
3818 int show_acl_hash_info = 0;
3819 int show_applied_info = 0;
3820 int show_mask_type = 0;
3821 int show_bihash = 0;
3822 u32 show_bihash_verbose = 0;
3824 if (unformat (input, "acl"))
3826 show_acl_hash_info = 1;
3827 /* mask-type is handy to see as well right there */
3829 unformat (input, "index %u", &acl_index);
3831 else if (unformat (input, "applied"))
3833 show_applied_info = 1;
3834 unformat (input, "sw_if_index %u", &sw_if_index);
3836 else if (unformat (input, "mask"))
3840 else if (unformat (input, "hash"))
3843 unformat (input, "verbose %u", &show_bihash_verbose);
3847 (show_mask_type || show_acl_hash_info || show_applied_info
3850 /* if no qualifiers specified, show all */
3852 show_acl_hash_info = 1;
3853 show_applied_info = 1;
3857 acl_plugin_show_tables_mask_type ();
3858 if (show_acl_hash_info)
3859 acl_plugin_show_tables_acl_hash_info (acl_index);
3860 if (show_applied_info)
3861 acl_plugin_show_tables_applied_info (sw_if_index);
3863 acl_plugin_show_tables_bihash (show_bihash_verbose);
3868 static clib_error_t *
3869 acl_clear_aclplugin_fn (vlib_main_t * vm,
3870 unformat_input_t * input, vlib_cli_command_t * cmd)
3872 clib_error_t *error = 0;
3873 acl_main_t *am = &acl_main;
3874 vlib_process_signal_event (am->vlib_main, am->fa_cleaner_node_index,
3875 ACL_FA_CLEANER_DELETE_BY_SW_IF_INDEX, ~0);
3880 VLIB_CLI_COMMAND (aclplugin_set_command, static) = {
3881 .path = "set acl-plugin",
3882 .short_help = "set acl-plugin session timeout {{udp idle}|tcp {idle|transient}} <seconds>",
3883 .function = acl_set_aclplugin_fn,
3886 VLIB_CLI_COMMAND (aclplugin_show_acl_command, static) = {
3887 .path = "show acl-plugin acl",
3888 .short_help = "show acl-plugin acl [index N]",
3889 .function = acl_show_aclplugin_acl_fn,
3892 VLIB_CLI_COMMAND (aclplugin_show_lookup_context_command, static) = {
3893 .path = "show acl-plugin lookup context",
3894 .short_help = "show acl-plugin lookup context [index N]",
3895 .function = acl_show_aclplugin_lookup_context_fn,
3898 VLIB_CLI_COMMAND (aclplugin_show_lookup_user_command, static) = {
3899 .path = "show acl-plugin lookup user",
3900 .short_help = "show acl-plugin lookup user [index N]",
3901 .function = acl_show_aclplugin_lookup_user_fn,
3904 VLIB_CLI_COMMAND (aclplugin_show_decode_5tuple_command, static) = {
3905 .path = "show acl-plugin decode 5tuple",
3906 .short_help = "show acl-plugin decode 5tuple XXXX XXXX XXXX XXXX XXXX XXXX",
3907 .function = acl_show_aclplugin_decode_5tuple_fn,
3910 VLIB_CLI_COMMAND (aclplugin_show_interface_command, static) = {
3911 .path = "show acl-plugin interface",
3912 .short_help = "show acl-plugin interface [sw_if_index N] [acl]",
3913 .function = acl_show_aclplugin_interface_fn,
3916 VLIB_CLI_COMMAND (aclplugin_show_memory_command, static) = {
3917 .path = "show acl-plugin memory",
3918 .short_help = "show acl-plugin memory",
3919 .function = acl_show_aclplugin_memory_fn,
3922 VLIB_CLI_COMMAND (aclplugin_show_sessions_command, static) = {
3923 .path = "show acl-plugin sessions",
3924 .short_help = "show acl-plugin sessions",
3925 .function = acl_show_aclplugin_sessions_fn,
3928 VLIB_CLI_COMMAND (aclplugin_show_tables_command, static) = {
3929 .path = "show acl-plugin tables",
3930 .short_help = "show acl-plugin tables [ acl [index N] | applied [ sw_if_index N ] | mask | hash [verbose N] ]",
3931 .function = acl_show_aclplugin_tables_fn,
3934 VLIB_CLI_COMMAND (aclplugin_show_macip_acl_command, static) = {
3935 .path = "show acl-plugin macip acl",
3936 .short_help = "show acl-plugin macip acl [index N]",
3937 .function = acl_show_aclplugin_macip_acl_fn,
3940 VLIB_CLI_COMMAND (aclplugin_show_macip_interface_command, static) = {
3941 .path = "show acl-plugin macip interface",
3942 .short_help = "show acl-plugin macip interface",
3943 .function = acl_show_aclplugin_macip_interface_fn,
3946 VLIB_CLI_COMMAND (aclplugin_clear_command, static) = {
3947 .path = "clear acl-plugin sessions",
3948 .short_help = "clear acl-plugin sessions",
3949 .function = acl_clear_aclplugin_fn,
3953 static clib_error_t *
3954 acl_plugin_config (vlib_main_t * vm, unformat_input_t * input)
3956 acl_main_t *am = &acl_main;
3957 u32 conn_table_hash_buckets;
3958 u32 conn_table_hash_memory_size;
3959 u32 conn_table_max_entries;
3962 u32 hash_lookup_hash_buckets;
3963 u32 hash_lookup_hash_memory;
3965 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
3968 (input, "connection hash buckets %d", &conn_table_hash_buckets))
3969 am->fa_conn_table_hash_num_buckets = conn_table_hash_buckets;
3970 else if (unformat (input, "connection hash memory %d",
3971 &conn_table_hash_memory_size))
3972 am->fa_conn_table_hash_memory_size = conn_table_hash_memory_size;
3973 else if (unformat (input, "connection count max %d",
3974 &conn_table_max_entries))
3975 am->fa_conn_table_max_entries = conn_table_max_entries;
3976 else if (unformat (input, "main heap size %d", &main_heap_size))
3977 am->acl_mheap_size = main_heap_size;
3978 else if (unformat (input, "hash lookup heap size %d", &hash_heap_size))
3979 am->hash_lookup_mheap_size = hash_heap_size;
3980 else if (unformat (input, "hash lookup hash buckets %d",
3981 &hash_lookup_hash_buckets))
3982 am->hash_lookup_hash_buckets = hash_lookup_hash_buckets;
3983 else if (unformat (input, "hash lookup hash memory %d",
3984 &hash_lookup_hash_memory))
3985 am->hash_lookup_hash_memory = hash_lookup_hash_memory;
3987 return clib_error_return (0, "unknown input '%U'",
3988 format_unformat_error, input);
3993 VLIB_CONFIG_FUNCTION (acl_plugin_config, "acl-plugin");
3995 static clib_error_t *
3996 acl_init (vlib_main_t * vm)
3998 acl_main_t *am = &acl_main;
3999 clib_error_t *error = 0;
4000 memset (am, 0, sizeof (*am));
4002 am->vnet_main = vnet_get_main ();
4004 u8 *name = format (0, "acl_%08x%c", api_version, 0);
4006 /* Ask for a correctly-sized block of API message decode slots */
4007 am->msg_id_base = vl_msg_api_get_msg_ids ((char *) name,
4008 VL_MSG_FIRST_AVAILABLE);
4010 error = acl_plugin_api_hookup (vm);
4012 /* Add our API messages to the global name_crc hash table */
4013 setup_message_id_table (am, &api_main);
4017 acl_setup_fa_nodes ();
4019 am->acl_mheap_size = ACL_FA_DEFAULT_HEAP_SIZE;
4020 am->hash_lookup_mheap_size = ACL_PLUGIN_HASH_LOOKUP_HEAP_SIZE;
4022 am->hash_lookup_hash_buckets = ACL_PLUGIN_HASH_LOOKUP_HASH_BUCKETS;
4023 am->hash_lookup_hash_memory = ACL_PLUGIN_HASH_LOOKUP_HASH_MEMORY;
4025 am->session_timeout_sec[ACL_TIMEOUT_TCP_TRANSIENT] =
4026 TCP_SESSION_TRANSIENT_TIMEOUT_SEC;
4027 am->session_timeout_sec[ACL_TIMEOUT_TCP_IDLE] =
4028 TCP_SESSION_IDLE_TIMEOUT_SEC;
4029 am->session_timeout_sec[ACL_TIMEOUT_UDP_IDLE] =
4030 UDP_SESSION_IDLE_TIMEOUT_SEC;
4032 am->fa_conn_table_hash_num_buckets =
4033 ACL_FA_CONN_TABLE_DEFAULT_HASH_NUM_BUCKETS;
4034 am->fa_conn_table_hash_memory_size =
4035 ACL_FA_CONN_TABLE_DEFAULT_HASH_MEMORY_SIZE;
4036 am->fa_conn_table_max_entries = ACL_FA_CONN_TABLE_DEFAULT_MAX_ENTRIES;
4037 vlib_thread_main_t *tm = vlib_get_thread_main ();
4038 vec_validate (am->per_worker_data, tm->n_vlib_mains - 1);
4042 for (wk = 0; wk < vec_len (am->per_worker_data); wk++)
4044 acl_fa_per_worker_data_t *pw = &am->per_worker_data[wk];
4045 vec_validate (pw->fa_conn_list_head, ACL_N_TIMEOUTS - 1);
4046 vec_validate (pw->fa_conn_list_tail, ACL_N_TIMEOUTS - 1);
4047 for (tt = 0; tt < ACL_N_TIMEOUTS; tt++)
4049 pw->fa_conn_list_head[tt] = ~0;
4050 pw->fa_conn_list_tail[tt] = ~0;
4055 am->fa_min_deleted_sessions_per_interval =
4056 ACL_FA_DEFAULT_MIN_DELETED_SESSIONS_PER_INTERVAL;
4057 am->fa_max_deleted_sessions_per_interval =
4058 ACL_FA_DEFAULT_MAX_DELETED_SESSIONS_PER_INTERVAL;
4059 am->fa_cleaner_wait_time_increment =
4060 ACL_FA_DEFAULT_CLEANER_WAIT_TIME_INCREMENT;
4062 am->fa_cleaner_cnt_delete_by_sw_index = 0;
4063 am->fa_cleaner_cnt_delete_by_sw_index_ok = 0;
4064 am->fa_cleaner_cnt_unknown_event = 0;
4065 am->fa_cleaner_cnt_timer_restarted = 0;
4066 am->fa_cleaner_cnt_wait_with_timeout = 0;
4069 #define _(N, v, s) am->fa_ipv6_known_eh_bitmap = clib_bitmap_set(am->fa_ipv6_known_eh_bitmap, v, 1);
4072 am->l4_match_nonfirst_fragment = 1;
4074 /* use the new fancy hash-based matching */
4075 am->use_hash_acl_matching = 1;
4077 am->interface_acl_user_id =
4078 acl_plugin_register_user_module ("interface ACL", "sw_if_index",
4084 VLIB_INIT_FUNCTION (acl_init);
4088 * fd.io coding-style-patch-verification: ON
4091 * eval: (c-set-style "gnu")