2 * Copyright (c) 2016 Cisco and/or its affiliates.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at:
7 * http://www.apache.org/licenses/LICENSE-2.0
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
18 #include <vnet/vnet.h>
19 #include <vnet/plugin/plugin.h>
22 #include <vnet/l2/l2_classify.h>
23 #include <vnet/l2/l2_in_out_feat_arc.h>
24 #include <vnet/classify/in_out_acl.h>
25 #include <vpp/app/version.h>
27 #include <vlibapi/api.h>
28 #include <vlibmemory/api.h>
30 /* define message IDs */
31 #include <acl/acl_msg_enum.h>
33 /* define message structures */
35 #include <acl/acl_all_api_h.h>
38 /* define generated endian-swappers */
40 #include <acl/acl_all_api_h.h>
43 /* instantiate all the print functions we know about */
44 #define vl_print(handle, ...) vlib_cli_output (handle, __VA_ARGS__)
46 #include <acl/acl_all_api_h.h>
49 /* Get the API version number */
50 #define vl_api_version(n,v) static u32 api_version=(v);
51 #include <acl/acl_all_api_h.h>
55 #include "public_inlines.h"
59 #define REPLY_MSG_ID_BASE am->msg_id_base
60 #include <vlibapi/api_helper_macros.h>
63 * The code for the bihash, used by the session management.
65 #include <vppinfra/bihash_40_8.h>
66 #include <vppinfra/bihash_template.h>
67 #include <vppinfra/bihash_template.c>
69 /* List of message types that this plugin understands */
71 #define foreach_acl_plugin_api_msg \
72 _(ACL_PLUGIN_GET_VERSION, acl_plugin_get_version) \
73 _(ACL_PLUGIN_CONTROL_PING, acl_plugin_control_ping) \
74 _(ACL_ADD_REPLACE, acl_add_replace) \
76 _(ACL_INTERFACE_ADD_DEL, acl_interface_add_del) \
77 _(ACL_INTERFACE_SET_ACL_LIST, acl_interface_set_acl_list) \
78 _(ACL_DUMP, acl_dump) \
79 _(ACL_INTERFACE_LIST_DUMP, acl_interface_list_dump) \
80 _(MACIP_ACL_ADD, macip_acl_add) \
81 _(MACIP_ACL_ADD_REPLACE, macip_acl_add_replace) \
82 _(MACIP_ACL_DEL, macip_acl_del) \
83 _(MACIP_ACL_INTERFACE_ADD_DEL, macip_acl_interface_add_del) \
84 _(MACIP_ACL_DUMP, macip_acl_dump) \
85 _(MACIP_ACL_INTERFACE_GET, macip_acl_interface_get) \
86 _(MACIP_ACL_INTERFACE_LIST_DUMP, macip_acl_interface_list_dump) \
87 _(ACL_INTERFACE_SET_ETYPE_WHITELIST, acl_interface_set_etype_whitelist) \
88 _(ACL_INTERFACE_ETYPE_WHITELIST_DUMP, acl_interface_etype_whitelist_dump) \
89 _(ACL_PLUGIN_GET_CONN_TABLE_MAX_ENTRIES,acl_plugin_get_conn_table_max_entries)
93 VLIB_PLUGIN_REGISTER () = {
94 .version = VPP_BUILD_VER,
95 .description = "Access Control Lists",
99 /* methods exported from ACL-as-a-service */
100 static acl_plugin_methods_t acl_plugin;
104 format_vec16 (u8 * s, va_list * va)
106 u16 *v = va_arg (*va, u16 *);
107 char *fmt = va_arg (*va, char *);
109 for (i = 0; i < vec_len (v); i++)
112 s = format (s, ", ");
113 s = format (s, fmt, v[i]);
119 acl_set_heap (acl_main_t * am)
121 if (0 == am->acl_mheap)
123 if (0 == am->acl_mheap_size)
125 vlib_thread_main_t *tm = vlib_get_thread_main ();
126 u64 per_worker_slack = 1000000LL;
127 u64 per_worker_size =
129 ((u64) am->fa_conn_table_max_entries) * sizeof (fa_session_t);
130 u64 per_worker_size_with_slack = per_worker_slack + per_worker_size;
131 u64 main_slack = 2000000LL;
132 u64 bihash_size = (u64) am->fa_conn_table_hash_memory_size;
135 per_worker_size_with_slack * tm->n_vlib_mains + bihash_size +
138 u64 max_possible = ((uword) ~ 0);
139 if (am->acl_mheap_size > max_possible)
141 clib_warning ("ACL heap size requested: %lld, max possible %lld",
142 am->acl_mheap_size, max_possible);
145 am->acl_mheap = mheap_alloc_with_lock (0 /* use VM */ ,
148 if (0 == am->acl_mheap)
151 ("ACL plugin failed to allocate main heap of %U bytes, abort",
152 format_memory_size, am->acl_mheap_size);
155 void *oldheap = clib_mem_set_heap (am->acl_mheap);
160 acl_plugin_set_heap ()
162 acl_main_t *am = &acl_main;
163 return acl_set_heap (am);
167 acl_plugin_acl_set_validate_heap (acl_main_t * am, int on)
169 clib_mem_set_heap (acl_set_heap (am));
170 #if USE_DLMALLOC == 0
171 mheap_t *h = mheap_header (am->acl_mheap);
174 h->flags |= MHEAP_FLAG_VALIDATE;
175 h->flags &= ~MHEAP_FLAG_SMALL_OBJECT_CACHE;
180 h->flags &= ~MHEAP_FLAG_VALIDATE;
181 h->flags |= MHEAP_FLAG_SMALL_OBJECT_CACHE;
187 acl_plugin_acl_set_trace_heap (acl_main_t * am, int on)
189 clib_mem_set_heap (acl_set_heap (am));
190 #if USE_DLMALLOC == 0
191 mheap_t *h = mheap_header (am->acl_mheap);
194 h->flags |= MHEAP_FLAG_TRACE;
198 h->flags &= ~MHEAP_FLAG_TRACE;
204 vl_api_acl_plugin_get_version_t_handler (vl_api_acl_plugin_get_version_t * mp)
206 acl_main_t *am = &acl_main;
207 vl_api_acl_plugin_get_version_reply_t *rmp;
208 int msg_size = sizeof (*rmp);
209 vl_api_registration_t *reg;
211 reg = vl_api_client_index_to_registration (mp->client_index);
215 rmp = vl_msg_api_alloc (msg_size);
216 clib_memset (rmp, 0, msg_size);
218 ntohs (VL_API_ACL_PLUGIN_GET_VERSION_REPLY + am->msg_id_base);
219 rmp->context = mp->context;
220 rmp->major = htonl (ACL_PLUGIN_VERSION_MAJOR);
221 rmp->minor = htonl (ACL_PLUGIN_VERSION_MINOR);
223 vl_api_send_msg (reg, (u8 *) rmp);
227 vl_api_acl_plugin_control_ping_t_handler (vl_api_acl_plugin_control_ping_t *
230 vl_api_acl_plugin_control_ping_reply_t *rmp;
231 acl_main_t *am = &acl_main;
235 REPLY_MACRO2 (VL_API_ACL_PLUGIN_CONTROL_PING_REPLY,
237 rmp->vpe_pid = ntohl (getpid ());
243 print_clib_warning_and_reset (vlib_main_t * vm, u8 * out0)
245 clib_warning ("%v", out0);
246 vec_reset_length (out0);
250 print_cli_and_reset (vlib_main_t * vm, u8 * out0)
252 vlib_cli_output (vm, "%v", out0);
253 vec_reset_length (out0);
256 typedef void (*acl_vector_print_func_t) (vlib_main_t * vm, u8 * out0);
259 acl_print_acl_x (acl_vector_print_func_t vpr, vlib_main_t * vm,
260 acl_main_t * am, int acl_index)
263 acl_rule_t *acl_rules = am->acls[acl_index].rules;
264 u8 *out0 = format (0, "acl-index %u count %u tag {%s}\n", acl_index,
265 vec_len (acl_rules), am->acls[acl_index].tag);
268 for (j = 0; j < vec_len (acl_rules); j++)
271 out0 = format (out0, " %9d: %s ", j, r->is_ipv6 ? "ipv6" : "ipv4");
272 out0 = format_acl_action (out0, r->is_permit);
273 out0 = format (out0, " src %U/%d", format_ip46_address, &r->src,
274 r->is_ipv6 ? IP46_TYPE_IP6 : IP46_TYPE_IP4,
277 format (out0, " dst %U/%d", format_ip46_address, &r->dst,
278 r->is_ipv6 ? IP46_TYPE_IP6 : IP46_TYPE_IP4, r->dst_prefixlen);
279 out0 = format (out0, " proto %d", r->proto);
280 out0 = format (out0, " sport %d", r->src_port_or_type_first);
281 if (r->src_port_or_type_first != r->src_port_or_type_last)
283 out0 = format (out0, "-%d", r->src_port_or_type_last);
285 out0 = format (out0, " dport %d", r->dst_port_or_code_first);
286 if (r->dst_port_or_code_first != r->dst_port_or_code_last)
288 out0 = format (out0, "-%d", r->dst_port_or_code_last);
290 if (r->tcp_flags_mask || r->tcp_flags_value)
293 format (out0, " tcpflags %d mask %d", r->tcp_flags_value,
296 out0 = format (out0, "\n");
302 vl_api_acl_plugin_get_conn_table_max_entries_t_handler
303 (vl_api_acl_plugin_get_conn_table_max_entries_t * mp)
305 acl_main_t *am = &acl_main;
306 vl_api_acl_plugin_get_conn_table_max_entries_reply_t *rmp;
307 int msg_size = sizeof (*rmp);
308 unix_shared_memory_queue_t *q;
310 q = vl_api_client_index_to_input_queue (mp->client_index);
316 rmp = vl_msg_api_alloc (msg_size);
317 memset (rmp, 0, msg_size);
319 ntohs (VL_API_ACL_PLUGIN_GET_CONN_TABLE_MAX_ENTRIES_REPLY +
321 rmp->context = mp->context;
322 rmp->conn_table_max_entries = __bswap_64 (am->fa_conn_table_max_entries);
324 vl_msg_api_send_shmem (q, (u8 *) & rmp);
328 acl_print_acl (vlib_main_t * vm, acl_main_t * am, int acl_index)
330 acl_print_acl_x (print_cli_and_reset, vm, am, acl_index);
334 warning_acl_print_acl (vlib_main_t * vm, acl_main_t * am, int acl_index)
336 acl_print_acl_x (print_clib_warning_and_reset, vm, am, acl_index);
340 increment_policy_epoch (acl_main_t * am, u32 sw_if_index, int is_input)
343 u32 **ppolicy_epoch_by_swi =
344 is_input ? &am->input_policy_epoch_by_sw_if_index :
345 &am->output_policy_epoch_by_sw_if_index;
346 vec_validate (*ppolicy_epoch_by_swi, sw_if_index);
348 u32 *p_epoch = vec_elt_at_index ((*ppolicy_epoch_by_swi), sw_if_index);
350 ((1 + *p_epoch) & FA_POLICY_EPOCH_MASK) +
351 (is_input * FA_POLICY_EPOCH_IS_INPUT);
355 try_increment_acl_policy_epoch (acl_main_t * am, u32 acl_num, int is_input)
357 u32 ***p_swi_vec_by_acl = is_input ? &am->input_sw_if_index_vec_by_acl
358 : &am->output_sw_if_index_vec_by_acl;
359 if (acl_num < vec_len (*p_swi_vec_by_acl))
362 vec_foreach (p_swi, (*p_swi_vec_by_acl)[acl_num])
364 increment_policy_epoch (am, *p_swi, is_input);
371 policy_notify_acl_change (acl_main_t * am, u32 acl_num)
373 try_increment_acl_policy_epoch (am, acl_num, 0);
374 try_increment_acl_policy_epoch (am, acl_num, 1);
380 acl_add_list (u32 count, vl_api_acl_rule_t rules[],
381 u32 * acl_list_index, u8 * tag)
383 acl_main_t *am = &acl_main;
386 acl_rule_t *acl_new_rules = 0;
389 if (am->trace_acl > 255)
390 clib_warning ("API dbg: acl_add_list index %d tag %s", *acl_list_index,
393 if (*acl_list_index != ~0)
395 /* They supplied some number, let's see if this ACL exists */
396 if (pool_is_free_index (am->acls, *acl_list_index))
398 /* tried to replace a non-existent ACL, no point doing anything */
400 ("acl-plugin-error: Trying to replace nonexistent ACL %d (tag %s)",
401 *acl_list_index, tag);
402 return VNET_API_ERROR_NO_SUCH_ENTRY;
408 ("acl-plugin-warning: supplied no rules for ACL %d (tag %s)",
409 *acl_list_index, tag);
412 void *oldheap = acl_set_heap (am);
414 /* Create and populate the rules */
416 vec_validate (acl_new_rules, count - 1);
418 for (i = 0; i < count; i++)
420 r = vec_elt_at_index (acl_new_rules, i);
421 clib_memset (r, 0, sizeof (*r));
422 r->is_permit = rules[i].is_permit;
423 r->is_ipv6 = rules[i].is_ipv6;
426 memcpy (&r->src, rules[i].src_ip_addr, sizeof (r->src));
427 memcpy (&r->dst, rules[i].dst_ip_addr, sizeof (r->dst));
431 memcpy (&r->src.ip4, rules[i].src_ip_addr, sizeof (r->src.ip4));
432 memcpy (&r->dst.ip4, rules[i].dst_ip_addr, sizeof (r->dst.ip4));
434 r->src_prefixlen = rules[i].src_ip_prefix_len;
435 r->dst_prefixlen = rules[i].dst_ip_prefix_len;
436 r->proto = rules[i].proto;
437 r->src_port_or_type_first = ntohs (rules[i].srcport_or_icmptype_first);
438 r->src_port_or_type_last = ntohs (rules[i].srcport_or_icmptype_last);
439 r->dst_port_or_code_first = ntohs (rules[i].dstport_or_icmpcode_first);
440 r->dst_port_or_code_last = ntohs (rules[i].dstport_or_icmpcode_last);
441 r->tcp_flags_value = rules[i].tcp_flags_value;
442 r->tcp_flags_mask = rules[i].tcp_flags_mask;
445 if (~0 == *acl_list_index)
448 pool_get_aligned (am->acls, a, CLIB_CACHE_LINE_BYTES);
449 clib_memset (a, 0, sizeof (*a));
450 /* Will return the newly allocated ACL index */
451 *acl_list_index = a - am->acls;
455 a = am->acls + *acl_list_index;
456 /* Get rid of the old rules */
460 a->rules = acl_new_rules;
461 memcpy (a->tag, tag, sizeof (a->tag));
462 if (am->trace_acl > 255)
463 warning_acl_print_acl (am->vlib_main, am, *acl_list_index);
464 if (am->reclassify_sessions)
466 /* a change in an ACLs if they are applied may mean a new policy epoch */
467 policy_notify_acl_change (am, *acl_list_index);
470 /* notify the lookup contexts about the ACL changes */
471 acl_plugin_lookup_context_notify_acl_change (*acl_list_index);
472 clib_mem_set_heap (oldheap);
477 acl_is_used_by (u32 acl_index, u32 ** foo_index_vec_by_acl)
479 if (acl_index < vec_len (foo_index_vec_by_acl))
481 if (vec_len (vec_elt (foo_index_vec_by_acl, acl_index)) > 0)
483 /* ACL is applied somewhere. */
491 acl_del_list (u32 acl_list_index)
493 acl_main_t *am = &acl_main;
495 if (pool_is_free_index (am->acls, acl_list_index))
497 return VNET_API_ERROR_NO_SUCH_ENTRY;
499 if (acl_is_used_by (acl_list_index, am->input_sw_if_index_vec_by_acl))
500 return VNET_API_ERROR_ACL_IN_USE_INBOUND;
501 if (acl_is_used_by (acl_list_index, am->output_sw_if_index_vec_by_acl))
502 return VNET_API_ERROR_ACL_IN_USE_OUTBOUND;
503 /* lookup contexts cover other cases, not just inbound/outbound, so check that */
504 if (acl_is_used_by (acl_list_index, am->lc_index_vec_by_acl))
505 return VNET_API_ERROR_ACL_IN_USE_BY_LOOKUP_CONTEXT;
507 void *oldheap = acl_set_heap (am);
509 /* now we can delete the ACL itself */
510 a = pool_elt_at_index (am->acls, acl_list_index);
513 pool_put (am->acls, a);
514 /* acl_list_index is now free, notify the lookup contexts */
515 acl_plugin_lookup_context_notify_acl_change (acl_list_index);
516 clib_mem_set_heap (oldheap);
521 count_skip (u8 * p, u32 size)
523 u64 *p64 = (u64 *) p;
524 /* Be tolerant to null pointer */
528 while ((0ULL == *p64) && ((u8 *) p64 - p) < size)
532 return (p64 - (u64 *) p) / 2;
536 acl_classify_add_del_table_small (vnet_classify_main_t * cm, u8 * mask,
537 u32 mask_len, u32 next_table_index,
538 u32 miss_next_index, u32 * table_index,
542 u32 memory_size = 2 << 22;
543 u32 skip = count_skip (mask, mask_len);
544 u32 match = (mask_len / 16) - skip;
545 u8 *skip_mask_ptr = mask + 16 * skip;
546 u32 current_data_flag = 0;
547 int current_data_offset = 0;
552 void *oldheap = clib_mem_set_heap (cm->vlib_main->heap_base);
553 int ret = vnet_classify_add_del_table (cm, skip_mask_ptr, nbuckets,
554 memory_size, skip, match,
555 next_table_index, miss_next_index,
556 table_index, current_data_flag,
557 current_data_offset, is_add,
558 1 /* delete_chain */ );
559 clib_mem_set_heap (oldheap);
564 intf_has_etype_whitelist (acl_main_t * am, u32 sw_if_index, int is_input)
567 ? am->input_etype_whitelist_by_sw_if_index
568 : am->output_etype_whitelist_by_sw_if_index;
569 u16 *whitelist = (vec_len (v) > sw_if_index) ? vec_elt (v, sw_if_index) : 0;
570 return vec_len (whitelist) > 0;
574 acl_clear_sessions (acl_main_t * am, u32 sw_if_index)
576 void *oldheap = clib_mem_set_heap (am->vlib_main->heap_base);
577 vlib_process_signal_event (am->vlib_main, am->fa_cleaner_node_index,
578 ACL_FA_CLEANER_DELETE_BY_SW_IF_INDEX,
580 clib_mem_set_heap (oldheap);
585 acl_interface_in_enable_disable (acl_main_t * am, u32 sw_if_index,
591 if (pool_is_free_index (am->vnet_main->interface_main.sw_interfaces,
593 return VNET_API_ERROR_INVALID_SW_IF_INDEX;
595 if (clib_bitmap_get (am->in_acl_on_sw_if_index, sw_if_index) ==
599 acl_fa_enable_disable (sw_if_index, 1, enable_disable);
601 void *oldheap = clib_mem_set_heap (am->vlib_main->heap_base);
602 rv = vnet_l2_feature_enable_disable ("l2-input-ip4", "acl-plugin-in-ip4-l2",
603 sw_if_index, enable_disable, 0, 0);
605 clib_error ("Could not enable on input");
606 rv = vnet_l2_feature_enable_disable ("l2-input-ip6", "acl-plugin-in-ip6-l2",
607 sw_if_index, enable_disable, 0, 0);
609 clib_error ("Could not enable on input");
611 if (intf_has_etype_whitelist (am, sw_if_index, 1))
612 vnet_l2_feature_enable_disable ("l2-input-nonip",
613 "acl-plugin-in-nonip-l2", sw_if_index,
614 enable_disable, 0, 0);
616 clib_mem_set_heap (oldheap);
618 am->in_acl_on_sw_if_index =
619 clib_bitmap_set (am->in_acl_on_sw_if_index, sw_if_index, enable_disable);
625 acl_interface_out_enable_disable (acl_main_t * am, u32 sw_if_index,
631 if (pool_is_free_index (am->vnet_main->interface_main.sw_interfaces,
633 return VNET_API_ERROR_INVALID_SW_IF_INDEX;
635 if (clib_bitmap_get (am->out_acl_on_sw_if_index, sw_if_index) ==
639 acl_fa_enable_disable (sw_if_index, 0, enable_disable);
641 void *oldheap = clib_mem_set_heap (am->vlib_main->heap_base);
643 vnet_l2_feature_enable_disable ("l2-output-ip4", "acl-plugin-out-ip4-l2",
644 sw_if_index, enable_disable, 0, 0);
646 clib_error ("Could not enable on output");
648 vnet_l2_feature_enable_disable ("l2-output-ip6", "acl-plugin-out-ip6-l2",
649 sw_if_index, enable_disable, 0, 0);
651 clib_error ("Could not enable on output");
652 if (intf_has_etype_whitelist (am, sw_if_index, 0))
653 vnet_l2_feature_enable_disable ("l2-output-nonip",
654 "acl-plugin-out-nonip-l2", sw_if_index,
655 enable_disable, 0, 0);
658 clib_mem_set_heap (oldheap);
660 am->out_acl_on_sw_if_index =
661 clib_bitmap_set (am->out_acl_on_sw_if_index, sw_if_index, enable_disable);
667 acl_interface_inout_enable_disable (acl_main_t * am, u32 sw_if_index,
668 int is_input, int enable_disable)
671 return acl_interface_in_enable_disable (am, sw_if_index, enable_disable);
673 return acl_interface_out_enable_disable (am, sw_if_index, enable_disable);
677 acl_is_not_defined (acl_main_t * am, u32 acl_list_index)
679 return (pool_is_free_index (am->acls, acl_list_index));
683 acl_interface_set_inout_acl_list (acl_main_t * am, u32 sw_if_index,
684 u8 is_input, u32 * vec_acl_list_index,
685 int *may_clear_sessions)
688 uword *seen_acl_bitmap = 0;
689 uword *old_seen_acl_bitmap = 0;
690 uword *change_acl_bitmap = 0;
695 if (am->trace_acl > 255)
697 ("API dbg: acl_interface_set_inout_acl_list: sw_if_index %d is_input %d acl_vec: [%U]",
698 sw_if_index, is_input, format_vec32, vec_acl_list_index, "%d");
700 vec_foreach (pacln, vec_acl_list_index)
702 if (acl_is_not_defined (am, *pacln))
704 /* ACL is not defined. Can not apply */
705 clib_warning ("ERROR: ACL %d not defined", *pacln);
706 rv = VNET_API_ERROR_NO_SUCH_ENTRY;
709 if (clib_bitmap_get (seen_acl_bitmap, *pacln))
711 /* ACL being applied twice within the list. error. */
712 clib_warning ("ERROR: ACL %d being applied twice", *pacln);
713 rv = VNET_API_ERROR_ENTRY_ALREADY_EXISTS;
716 seen_acl_bitmap = clib_bitmap_set (seen_acl_bitmap, *pacln, 1);
720 u32 **pinout_lc_index_by_sw_if_index =
722 input_lc_index_by_sw_if_index : &am->output_lc_index_by_sw_if_index;
724 u32 ***pinout_acl_vec_by_sw_if_index =
726 input_acl_vec_by_sw_if_index : &am->output_acl_vec_by_sw_if_index;
728 u32 ***pinout_sw_if_index_vec_by_acl =
730 input_sw_if_index_vec_by_acl : &am->output_sw_if_index_vec_by_acl;
732 vec_validate ((*pinout_acl_vec_by_sw_if_index), sw_if_index);
734 clib_bitmap_validate (old_seen_acl_bitmap, 1);
736 vec_foreach (pacln, (*pinout_acl_vec_by_sw_if_index)[sw_if_index])
738 old_seen_acl_bitmap = clib_bitmap_set (old_seen_acl_bitmap, *pacln, 1);
741 clib_bitmap_dup_xor (old_seen_acl_bitmap, seen_acl_bitmap);
743 if (am->trace_acl > 255)
744 clib_warning ("bitmaps: old seen %U new seen %U changed %U",
745 format_bitmap_hex, old_seen_acl_bitmap, format_bitmap_hex,
746 seen_acl_bitmap, format_bitmap_hex, change_acl_bitmap);
749 clib_bitmap_foreach(acln, change_acl_bitmap, ({
750 if (clib_bitmap_get(old_seen_acl_bitmap, acln)) {
751 /* ACL is being removed. */
752 if (acln < vec_len((*pinout_sw_if_index_vec_by_acl))) {
753 int index = vec_search((*pinout_sw_if_index_vec_by_acl)[acln], sw_if_index);
754 vec_del1((*pinout_sw_if_index_vec_by_acl)[acln], index);
757 /* ACL is being added. */
758 vec_validate((*pinout_sw_if_index_vec_by_acl), acln);
759 vec_add1((*pinout_sw_if_index_vec_by_acl)[acln], sw_if_index);
764 vec_free ((*pinout_acl_vec_by_sw_if_index)[sw_if_index]);
765 (*pinout_acl_vec_by_sw_if_index)[sw_if_index] =
766 vec_dup (vec_acl_list_index);
768 if (am->reclassify_sessions)
770 /* re-applying ACLs means a new policy epoch */
771 increment_policy_epoch (am, sw_if_index, is_input);
775 /* if no commonalities between the ACL# - then we should definitely clear the sessions */
776 if (may_clear_sessions && *may_clear_sessions
777 && !clib_bitmap_is_zero (change_acl_bitmap))
779 acl_clear_sessions (am, sw_if_index);
780 *may_clear_sessions = 0;
785 * prepare or delete the lookup context if necessary, and if context exists, set ACL list
787 vec_validate_init_empty ((*pinout_lc_index_by_sw_if_index), sw_if_index,
789 if (vec_len (vec_acl_list_index) > 0)
791 u32 lc_index = (*pinout_lc_index_by_sw_if_index)[sw_if_index];
794 if (~0 == am->interface_acl_user_id)
795 am->interface_acl_user_id =
796 acl_plugin.register_user_module ("interface ACL", "sw_if_index",
799 acl_plugin.get_lookup_context_index (am->interface_acl_user_id,
800 sw_if_index, is_input);
801 (*pinout_lc_index_by_sw_if_index)[sw_if_index] = lc_index;
803 acl_plugin.set_acl_vec_for_context (lc_index, vec_acl_list_index);
807 if (~0 != (*pinout_lc_index_by_sw_if_index)[sw_if_index])
809 acl_plugin.put_lookup_context_index ((*pinout_lc_index_by_sw_if_index)[sw_if_index]);
810 (*pinout_lc_index_by_sw_if_index)[sw_if_index] = ~0;
814 /* ensure ACL processing is enabled/disabled as needed */
815 acl_interface_inout_enable_disable (am, sw_if_index, is_input,
816 vec_len (vec_acl_list_index) > 0);
819 clib_bitmap_free (change_acl_bitmap);
820 clib_bitmap_free (seen_acl_bitmap);
821 clib_bitmap_free (old_seen_acl_bitmap);
826 acl_interface_reset_inout_acls (u32 sw_if_index, u8 is_input,
827 int *may_clear_sessions)
829 acl_main_t *am = &acl_main;
830 void *oldheap = acl_set_heap (am);
831 acl_interface_set_inout_acl_list (am, sw_if_index, is_input, 0,
833 clib_mem_set_heap (oldheap);
837 acl_interface_add_del_inout_acl (u32 sw_if_index, u8 is_add, u8 is_input,
841 acl_main_t *am = &acl_main;
843 int may_clear_sessions = 1;
845 int error_already_applied = is_input ? VNET_API_ERROR_ACL_IN_USE_INBOUND
846 : VNET_API_ERROR_ACL_IN_USE_OUTBOUND;
848 u32 ***pinout_acl_vec_by_sw_if_index =
850 input_acl_vec_by_sw_if_index : &am->output_acl_vec_by_sw_if_index;
852 void *oldheap = acl_set_heap (am);
856 vec_validate ((*pinout_acl_vec_by_sw_if_index), sw_if_index);
857 u32 index = vec_search ((*pinout_acl_vec_by_sw_if_index)[sw_if_index],
862 rv = error_already_applied;
866 acl_vec = vec_dup ((*pinout_acl_vec_by_sw_if_index)[sw_if_index]);
867 vec_add1 (acl_vec, acl_list_index);
871 if (sw_if_index >= vec_len (*pinout_acl_vec_by_sw_if_index))
873 rv = VNET_API_ERROR_NO_SUCH_ENTRY;
877 u32 index = vec_search ((*pinout_acl_vec_by_sw_if_index)[sw_if_index],
882 rv = VNET_API_ERROR_NO_SUCH_ENTRY;
886 acl_vec = vec_dup ((*pinout_acl_vec_by_sw_if_index)[sw_if_index]);
887 vec_del1 (acl_vec, index);
890 rv = acl_interface_set_inout_acl_list (am, sw_if_index, is_input, acl_vec,
891 &may_clear_sessions);
894 clib_mem_set_heap (oldheap);
899 acl_set_etype_whitelists (acl_main_t * am, u32 sw_if_index, u16 * vec_in,
902 vec_validate (am->input_etype_whitelist_by_sw_if_index, sw_if_index);
903 vec_validate (am->output_etype_whitelist_by_sw_if_index, sw_if_index);
905 vec_free (am->input_etype_whitelist_by_sw_if_index[sw_if_index]);
906 vec_free (am->output_etype_whitelist_by_sw_if_index[sw_if_index]);
908 am->input_etype_whitelist_by_sw_if_index[sw_if_index] = vec_in;
909 am->output_etype_whitelist_by_sw_if_index[sw_if_index] = vec_out;
912 * if there are already inbound/outbound ACLs applied, toggle the
913 * enable/disable - this will recreate the necessary tables.
916 if (vec_len (am->input_acl_vec_by_sw_if_index) > sw_if_index)
918 if (vec_len (am->input_acl_vec_by_sw_if_index[sw_if_index]) > 0)
920 acl_interface_in_enable_disable (am, sw_if_index, 0);
921 acl_interface_in_enable_disable (am, sw_if_index, 1);
924 if (vec_len (am->output_acl_vec_by_sw_if_index) > sw_if_index)
926 if (vec_len (am->output_acl_vec_by_sw_if_index[sw_if_index]) > 0)
928 acl_interface_out_enable_disable (am, sw_if_index, 0);
929 acl_interface_out_enable_disable (am, sw_if_index, 1);
945 u32 dot1q_table_index;
946 u32 dot1ad_table_index;
947 u32 arp_dot1q_table_index;
948 u32 arp_dot1ad_table_index;
951 u32 out_arp_table_index;
952 u32 out_dot1q_table_index;
953 u32 out_dot1ad_table_index;
954 u32 out_arp_dot1q_table_index;
955 u32 out_arp_dot1ad_table_index;
956 } macip_match_type_t;
959 macip_find_match_type (macip_match_type_t * mv, u8 * mac_mask, u8 prefix_len,
965 for (i = 0; i < vec_len (mv); i++)
967 if ((mv[i].prefix_len == prefix_len) && (mv[i].is_ipv6 == is_ipv6)
968 && (0 == memcmp (mv[i].mac_mask, mac_mask, 6)))
978 /* Get metric used to sort match types.
979 The more specific and the more often seen - the bigger the metric */
981 match_type_metric (macip_match_type_t * m)
983 unsigned int mac_bits_set = 0;
984 unsigned int mac_byte;
986 for (i = 0; i < 6; i++)
988 mac_byte = m->mac_mask[i];
989 for (; mac_byte; mac_byte >>= 1)
990 mac_bits_set += mac_byte & 1;
993 * Attempt to place the more specific and the more used rules on top.
994 * There are obvious caveat corner cases to this, but they do not
995 * seem to be sensible in real world (e.g. specific IPv4 with wildcard MAC
996 * going with a wildcard IPv4 with a specific MAC).
998 return m->prefix_len + mac_bits_set + m->is_ipv6 + 10 * m->count;
1002 match_type_compare (macip_match_type_t * m1, macip_match_type_t * m2)
1004 /* Ascending sort based on the metric values */
1005 return match_type_metric (m1) - match_type_metric (m2);
1008 /* Get the offset of L3 source within ethernet packet */
1010 get_l3_src_offset (int is6)
1013 return (sizeof (ethernet_header_t) +
1014 offsetof (ip6_header_t, src_address));
1016 return (sizeof (ethernet_header_t) +
1017 offsetof (ip4_header_t, src_address));
1021 get_l3_dst_offset (int is6)
1024 return (sizeof (ethernet_header_t) +
1025 offsetof (ip6_header_t, dst_address));
1027 return (sizeof (ethernet_header_t) +
1028 offsetof (ip4_header_t, dst_address));
1032 * return if the is_permit value also requires to create the egress tables
1033 * For backwards compatibility, we keep the is_permit = 1 to only
1034 * create the ingress tables, and the new value of 3 will also
1035 * create the egress tables based on destination.
1038 macip_permit_also_egress (u8 is_permit)
1040 return (is_permit == 3);
1044 macip_create_classify_tables (acl_main_t * am, u32 macip_acl_index)
1046 macip_match_type_t *mvec = NULL;
1047 macip_match_type_t *mt;
1048 macip_acl_list_t *a = pool_elt_at_index (am->macip_acls, macip_acl_index);
1050 u32 match_type_index;
1054 vnet_classify_main_t *cm = &vnet_classify_main;
1056 /* Count the number of different types of rules */
1057 for (i = 0; i < a->count; i++)
1061 macip_find_match_type (mvec, a->rules[i].src_mac_mask,
1062 a->rules[i].src_prefixlen,
1063 a->rules[i].is_ipv6)))
1065 match_type_index = vec_len (mvec);
1066 vec_validate (mvec, match_type_index);
1067 memcpy (mvec[match_type_index].mac_mask,
1068 a->rules[i].src_mac_mask, 6);
1069 mvec[match_type_index].prefix_len = a->rules[i].src_prefixlen;
1070 mvec[match_type_index].is_ipv6 = a->rules[i].is_ipv6;
1071 mvec[match_type_index].has_egress = 0;
1072 mvec[match_type_index].table_index = ~0;
1073 mvec[match_type_index].arp_table_index = ~0;
1074 mvec[match_type_index].dot1q_table_index = ~0;
1075 mvec[match_type_index].dot1ad_table_index = ~0;
1076 mvec[match_type_index].arp_dot1q_table_index = ~0;
1077 mvec[match_type_index].arp_dot1ad_table_index = ~0;
1078 mvec[match_type_index].out_table_index = ~0;
1079 mvec[match_type_index].out_arp_table_index = ~0;
1080 mvec[match_type_index].out_dot1q_table_index = ~0;
1081 mvec[match_type_index].out_dot1ad_table_index = ~0;
1082 mvec[match_type_index].out_arp_dot1q_table_index = ~0;
1083 mvec[match_type_index].out_arp_dot1ad_table_index = ~0;
1085 mvec[match_type_index].count++;
1086 mvec[match_type_index].has_egress |=
1087 macip_permit_also_egress (a->rules[i].is_permit);
1089 /* Put the most frequently used tables last in the list so we can create classifier tables in reverse order */
1090 vec_sort_with_function (mvec, match_type_compare);
1091 /* Create the classifier tables */
1093 out_last_table = ~0;
1094 /* First add ARP tables */
1095 vec_foreach (mt, mvec)
1098 int is6 = mt->is_ipv6;
1100 u32 *last_tag_table;
1101 u32 *out_last_tag_table;
1108 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
1109 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
1110 | Destination Address |
1111 + +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
1113 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +
1115 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
1116 | EtherType | Hardware Type |
1117 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
1118 | Protocol Type | Hw addr len | Proto addr len|
1119 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
1121 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +
1122 | Sender Hardware Address |
1123 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
1124 | Sender Protocol Address |
1125 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
1126 | Target Hardware Address |
1127 + +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
1128 | | TargetProtocolAddress |
1129 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
1131 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
1133 for (tags = 2; tags >= 0; tags--)
1135 clib_memset (mask, 0, sizeof (mask));
1136 /* source MAC address */
1137 memcpy (&mask[6], mt->mac_mask, 6);
1143 clib_memset (&mask[12], 0xff, 2); /* ethernet protocol */
1145 last_tag_table = &mt->arp_table_index;
1148 clib_memset (&mask[12], 0xff, 2); /* VLAN tag1 */
1149 clib_memset (&mask[16], 0xff, 2); /* ethernet protocol */
1151 last_tag_table = &mt->arp_dot1q_table_index;
1154 clib_memset (&mask[12], 0xff, 2); /* VLAN tag1 */
1155 clib_memset (&mask[16], 0xff, 2); /* VLAN tag2 */
1156 clib_memset (&mask[20], 0xff, 2); /* ethernet protocol */
1158 last_tag_table = &mt->arp_dot1ad_table_index;
1162 /* sender hardware address within ARP */
1163 memcpy (&mask[l3_offset + 8], mt->mac_mask, 6);
1164 /* sender protocol address within ARP */
1165 for (i = 0; i < (mt->prefix_len / 8); i++)
1166 mask[l3_offset + 14 + i] = 0xff;
1167 if (mt->prefix_len % 8)
1168 mask[l3_offset + 14 + (mt->prefix_len / 8)] =
1169 0xff - ((1 << (8 - mt->prefix_len % 8)) - 1);
1171 mask_len = ((l3_offset + 14 + ((mt->prefix_len + 7) / 8) +
1173 1)) / sizeof (u32x4)) * sizeof (u32x4);
1174 acl_classify_add_del_table_small (cm, mask, mask_len, last_table,
1175 (~0 == last_table) ? 0 : ~0,
1177 last_table = *last_tag_table;
1180 /* egress ARP table */
1181 clib_memset (mask, 0, sizeof (mask));
1187 clib_memset (&mask[12], 0xff, 2); /* ethernet protocol */
1189 out_last_tag_table = &mt->out_arp_table_index;
1192 clib_memset (&mask[12], 0xff, 2); /* VLAN tag1 */
1193 clib_memset (&mask[16], 0xff, 2); /* ethernet protocol */
1195 out_last_tag_table = &mt->out_arp_dot1q_table_index;
1198 clib_memset (&mask[12], 0xff, 2); /* VLAN tag1 */
1199 clib_memset (&mask[16], 0xff, 2); /* VLAN tag2 */
1200 clib_memset (&mask[20], 0xff, 2); /* ethernet protocol */
1202 out_last_tag_table = &mt->out_arp_dot1ad_table_index;
1206 /* AYXX: FIXME here - can we tighten the ARP-related table more ? */
1207 /* mask captures just the destination and the ethertype */
1208 mask_len = ((l3_offset +
1210 1)) / sizeof (u32x4)) * sizeof (u32x4);
1211 acl_classify_add_del_table_small (cm, mask, mask_len,
1214 out_last_table) ? 0 : ~0,
1215 out_last_tag_table, 1);
1216 out_last_table = *out_last_tag_table;
1221 /* Now add IP[46] tables */
1222 vec_foreach (mt, mvec)
1225 int is6 = mt->is_ipv6;
1229 u32 *last_tag_table;
1230 u32 *out_last_tag_table;
1233 * create chained tables for VLAN (no-tags, dot1q and dot1ad) packets
1235 for (tags = 2; tags >= 0; tags--)
1237 clib_memset (mask, 0, sizeof (mask));
1238 memcpy (&mask[6], mt->mac_mask, 6);
1239 l3_src_offs = tags * 4 + get_l3_src_offset (is6);
1244 clib_memset (&mask[12], 0xff, 2); /* ethernet protocol */
1245 last_tag_table = &mt->table_index;
1248 clib_memset (&mask[12], 0xff, 2); /* VLAN tag1 */
1249 clib_memset (&mask[16], 0xff, 2); /* ethernet protocol */
1250 last_tag_table = &mt->dot1q_table_index;
1253 clib_memset (&mask[12], 0xff, 2); /* VLAN tag1 */
1254 clib_memset (&mask[16], 0xff, 2); /* VLAN tag2 */
1255 clib_memset (&mask[20], 0xff, 2); /* ethernet protocol */
1256 last_tag_table = &mt->dot1ad_table_index;
1259 for (i = 0; i < (mt->prefix_len / 8); i++)
1261 mask[l3_src_offs + i] = 0xff;
1263 if (mt->prefix_len % 8)
1265 mask[l3_src_offs + (mt->prefix_len / 8)] =
1266 0xff - ((1 << (8 - mt->prefix_len % 8)) - 1);
1269 * Round-up the number of bytes needed to store the prefix,
1270 * and round up the number of vectors too
1272 mask_len = ((l3_src_offs + ((mt->prefix_len + 7) / 8) +
1273 (sizeof (u32x4) - 1)) / sizeof (u32x4)) * sizeof (u32x4);
1274 acl_classify_add_del_table_small (cm, mask, mask_len, last_table,
1275 (~0 == last_table) ? 0 : ~0,
1277 last_table = *last_tag_table;
1281 for (tags = 2; tags >= 0; tags--)
1283 clib_memset (mask, 0, sizeof (mask));
1284 /* MAC destination */
1285 memcpy (&mask[0], mt->mac_mask, 6);
1286 l3_dst_offs = tags * 4 + get_l3_dst_offset (is6);
1291 clib_memset (&mask[12], 0xff, 2); /* ethernet protocol */
1292 out_last_tag_table = &mt->out_table_index;
1295 clib_memset (&mask[12], 0xff, 2); /* VLAN tag1 */
1296 clib_memset (&mask[16], 0xff, 2); /* ethernet protocol */
1297 out_last_tag_table = &mt->out_dot1q_table_index;
1300 clib_memset (&mask[12], 0xff, 2); /* VLAN tag1 */
1301 clib_memset (&mask[16], 0xff, 2); /* VLAN tag2 */
1302 clib_memset (&mask[20], 0xff, 2); /* ethernet protocol */
1303 out_last_tag_table = &mt->out_dot1ad_table_index;
1306 for (i = 0; i < (mt->prefix_len / 8); i++)
1308 mask[l3_dst_offs + i] = 0xff;
1310 if (mt->prefix_len % 8)
1312 mask[l3_dst_offs + (mt->prefix_len / 8)] =
1313 0xff - ((1 << (8 - mt->prefix_len % 8)) - 1);
1316 * Round-up the number of bytes needed to store the prefix,
1317 * and round up the number of vectors too
1319 mask_len = ((l3_dst_offs + ((mt->prefix_len + 7) / 8) +
1321 1)) / sizeof (u32x4)) * sizeof (u32x4);
1322 acl_classify_add_del_table_small (cm, mask, mask_len,
1324 (~0 == out_last_table) ? 0 : ~0,
1325 out_last_tag_table, 1);
1326 out_last_table = *out_last_tag_table;
1330 a->ip4_table_index = last_table;
1331 a->ip6_table_index = last_table;
1332 a->l2_table_index = last_table;
1334 a->out_ip4_table_index = out_last_table;
1335 a->out_ip6_table_index = out_last_table;
1336 a->out_l2_table_index = out_last_table;
1338 /* Populate the classifier tables with rules from the MACIP ACL */
1339 for (i = 0; i < a->count; i++)
1343 int is6 = a->rules[i].is_ipv6;
1350 macip_find_match_type (mvec, a->rules[i].src_mac_mask,
1351 a->rules[i].src_prefixlen,
1352 a->rules[i].is_ipv6);
1353 ASSERT (match_type_index != ~0);
1355 for (tags = 2; tags >= 0; tags--)
1357 clib_memset (mask, 0, sizeof (mask));
1358 l3_src_offs = tags * 4 + get_l3_src_offset (is6);
1359 memcpy (&mask[6], a->rules[i].src_mac, 6);
1364 tag_table = mvec[match_type_index].table_index;
1368 tag_table = mvec[match_type_index].dot1q_table_index;
1374 tag_table = mvec[match_type_index].dot1ad_table_index;
1384 memcpy (&mask[l3_src_offs], &a->rules[i].src_ip_addr.ip6, 16);
1386 mask[eth + 1] = 0xdd;
1390 memcpy (&mask[l3_src_offs], &a->rules[i].src_ip_addr.ip4, 4);
1392 mask[eth + 1] = 0x00;
1395 /* add session to table mvec[match_type_index].table_index; */
1396 vnet_classify_add_del_session (cm, tag_table,
1397 mask, a->rules[i].is_permit ? ~0 : 0,
1398 i, 0, action, metadata, 1);
1399 clib_memset (&mask[12], 0, sizeof (mask) - 12);
1402 /* add ARP table entry too */
1403 if (!is6 && (mvec[match_type_index].arp_table_index != ~0))
1405 clib_memset (mask, 0, sizeof (mask));
1406 memcpy (&mask[6], a->rules[i].src_mac, 6);
1408 for (tags = 2; tags >= 0; tags--)
1414 tag_table = mvec[match_type_index].arp_table_index;
1420 tag_table = mvec[match_type_index].arp_dot1q_table_index;
1428 tag_table = mvec[match_type_index].arp_dot1ad_table_index;
1439 memcpy (&mask[l3_src_offs + 8], a->rules[i].src_mac, 6);
1440 memcpy (&mask[l3_src_offs + 14], &a->rules[i].src_ip_addr.ip4,
1442 vnet_classify_add_del_session (cm, tag_table, mask,
1443 a->rules[i].is_permit ? ~0 : 0,
1444 i, 0, action, metadata, 1);
1447 if (macip_permit_also_egress (a->rules[i].is_permit))
1449 /* Add the egress entry with destination set */
1450 for (tags = 2; tags >= 0; tags--)
1452 clib_memset (mask, 0, sizeof (mask));
1453 l3_dst_offs = tags * 4 + get_l3_dst_offset (is6);
1454 /* src mac in the other direction becomes dst */
1455 memcpy (&mask[0], a->rules[i].src_mac, 6);
1460 tag_table = mvec[match_type_index].out_table_index;
1464 tag_table = mvec[match_type_index].out_dot1q_table_index;
1470 tag_table = mvec[match_type_index].out_dot1ad_table_index;
1480 memcpy (&mask[l3_dst_offs], &a->rules[i].src_ip_addr.ip6,
1483 mask[eth + 1] = 0xdd;
1487 memcpy (&mask[l3_dst_offs], &a->rules[i].src_ip_addr.ip4,
1490 mask[eth + 1] = 0x00;
1493 /* add session to table mvec[match_type_index].table_index; */
1494 vnet_classify_add_del_session (cm, tag_table,
1496 a->rules[i].is_permit ? ~0 : 0,
1497 i, 0, action, metadata, 1);
1498 // clib_memset (&mask[12], 0, sizeof (mask) - 12);
1501 /* add ARP table entry too */
1502 if (!is6 && (mvec[match_type_index].out_arp_table_index != ~0))
1504 for (tags = 2; tags >= 0; tags--)
1506 clib_memset (mask, 0, sizeof (mask));
1511 tag_table = mvec[match_type_index].out_arp_table_index;
1517 mvec[match_type_index].out_arp_dot1q_table_index;
1525 mvec[match_type_index].out_arp_dot1ad_table_index;
1535 vnet_classify_add_del_session (cm, tag_table,
1538 rules[i].is_permit ? ~0 : 0,
1539 i, 0, action, metadata, 1);
1548 macip_destroy_classify_tables (acl_main_t * am, u32 macip_acl_index)
1550 vnet_classify_main_t *cm = &vnet_classify_main;
1551 macip_acl_list_t *a = pool_elt_at_index (am->macip_acls, macip_acl_index);
1553 if (a->ip4_table_index != ~0)
1555 acl_classify_add_del_table_small (cm, 0, ~0, ~0, ~0,
1556 &a->ip4_table_index, 0);
1557 a->ip4_table_index = ~0;
1559 if (a->ip6_table_index != ~0)
1561 acl_classify_add_del_table_small (cm, 0, ~0, ~0, ~0,
1562 &a->ip6_table_index, 0);
1563 a->ip6_table_index = ~0;
1565 if (a->l2_table_index != ~0)
1567 acl_classify_add_del_table_small (cm, 0, ~0, ~0, ~0, &a->l2_table_index,
1569 a->l2_table_index = ~0;
1571 if (a->out_ip4_table_index != ~0)
1573 acl_classify_add_del_table_small (cm, 0, ~0, ~0, ~0,
1574 &a->out_ip4_table_index, 0);
1575 a->out_ip4_table_index = ~0;
1577 if (a->out_ip6_table_index != ~0)
1579 acl_classify_add_del_table_small (cm, 0, ~0, ~0, ~0,
1580 &a->out_ip6_table_index, 0);
1581 a->out_ip6_table_index = ~0;
1583 if (a->out_l2_table_index != ~0)
1585 acl_classify_add_del_table_small (cm, 0, ~0, ~0, ~0,
1586 &a->out_l2_table_index, 0);
1587 a->out_l2_table_index = ~0;
1592 macip_maybe_apply_unapply_classifier_tables (acl_main_t * am, u32 acl_index,
1598 macip_acl_list_t *a = pool_elt_at_index (am->macip_acls, acl_index);
1600 for (i = 0; i < vec_len (am->macip_acl_by_sw_if_index); i++)
1601 if (vec_elt (am->macip_acl_by_sw_if_index, i) == acl_index)
1603 rv0 = vnet_set_input_acl_intfc (am->vlib_main, i, a->ip4_table_index,
1604 a->ip6_table_index, a->l2_table_index,
1606 /* return the first unhappy outcome but make try to plough through. */
1609 vnet_set_output_acl_intfc (am->vlib_main, i, a->out_ip4_table_index,
1610 a->out_ip6_table_index,
1611 a->out_l2_table_index, is_apply);
1612 /* return the first unhappy outcome but make try to plough through. */
1619 macip_acl_add_list (u32 count, vl_api_macip_acl_rule_t rules[],
1620 u32 * acl_list_index, u8 * tag)
1622 acl_main_t *am = &acl_main;
1623 macip_acl_list_t *a;
1624 macip_acl_rule_t *r;
1625 macip_acl_rule_t *acl_new_rules = 0;
1629 if (*acl_list_index != ~0)
1631 /* They supplied some number, let's see if this MACIP ACL exists */
1632 if (pool_is_free_index (am->macip_acls, *acl_list_index))
1634 /* tried to replace a non-existent ACL, no point doing anything */
1636 ("acl-plugin-error: Trying to replace nonexistent MACIP ACL %d (tag %s)",
1637 *acl_list_index, tag);
1638 return VNET_API_ERROR_NO_SUCH_ENTRY;
1645 ("acl-plugin-warning: Trying to create empty MACIP ACL (tag %s)",
1648 /* if replacing the ACL, unapply the classifier tables first - they will be gone.. */
1649 if (~0 != *acl_list_index)
1650 rv = macip_maybe_apply_unapply_classifier_tables (am, *acl_list_index, 0);
1651 void *oldheap = acl_set_heap (am);
1652 /* Create and populate the rules */
1654 vec_validate (acl_new_rules, count - 1);
1656 for (i = 0; i < count; i++)
1658 r = &acl_new_rules[i];
1659 r->is_permit = rules[i].is_permit;
1660 r->is_ipv6 = rules[i].is_ipv6;
1661 memcpy (&r->src_mac, rules[i].src_mac, 6);
1662 memcpy (&r->src_mac_mask, rules[i].src_mac_mask, 6);
1663 if (rules[i].is_ipv6)
1664 memcpy (&r->src_ip_addr.ip6, rules[i].src_ip_addr, 16);
1666 memcpy (&r->src_ip_addr.ip4, rules[i].src_ip_addr, 4);
1667 r->src_prefixlen = rules[i].src_ip_prefix_len;
1670 if (~0 == *acl_list_index)
1673 pool_get_aligned (am->macip_acls, a, CLIB_CACHE_LINE_BYTES);
1674 clib_memset (a, 0, sizeof (*a));
1675 /* Will return the newly allocated ACL index */
1676 *acl_list_index = a - am->macip_acls;
1680 a = pool_elt_at_index (am->macip_acls, *acl_list_index);
1683 vec_free (a->rules);
1685 macip_destroy_classify_tables (am, *acl_list_index);
1688 a->rules = acl_new_rules;
1690 memcpy (a->tag, tag, sizeof (a->tag));
1692 /* Create and populate the classifier tables */
1693 macip_create_classify_tables (am, *acl_list_index);
1694 clib_mem_set_heap (oldheap);
1695 /* If the ACL was already applied somewhere, reapply the newly created tables */
1697 || macip_maybe_apply_unapply_classifier_tables (am, *acl_list_index, 1);
1701 /* No check that sw_if_index denotes a valid interface - the callers
1702 * were supposed to validate.
1704 * That said, if sw_if_index corresponds to an interface that exists at all,
1705 * this function must return errors accordingly if the ACL is not applied.
1709 macip_acl_interface_del_acl (acl_main_t * am, u32 sw_if_index)
1712 u32 macip_acl_index;
1713 macip_acl_list_t *a;
1715 /* The vector is too short - MACIP ACL is not applied */
1716 if (sw_if_index >= vec_len (am->macip_acl_by_sw_if_index))
1717 return VNET_API_ERROR_NO_SUCH_ENTRY;
1719 macip_acl_index = am->macip_acl_by_sw_if_index[sw_if_index];
1720 /* No point in deleting MACIP ACL which is not applied */
1721 if (~0 == macip_acl_index)
1722 return VNET_API_ERROR_NO_SUCH_ENTRY;
1724 a = pool_elt_at_index (am->macip_acls, macip_acl_index);
1725 /* remove the classifier tables off the interface L2 ACL */
1727 vnet_set_input_acl_intfc (am->vlib_main, sw_if_index, a->ip4_table_index,
1728 a->ip6_table_index, a->l2_table_index, 0);
1730 vnet_set_output_acl_intfc (am->vlib_main, sw_if_index,
1731 a->out_ip4_table_index, a->out_ip6_table_index,
1732 a->out_l2_table_index, 0);
1733 /* Unset the MACIP ACL index */
1734 am->macip_acl_by_sw_if_index[sw_if_index] = ~0;
1735 /* macip_acl_interface_add_acl did a vec_add1() to this previously, so [sw_if_index] should be valid */
1736 u32 index = vec_search (am->sw_if_index_vec_by_macip_acl[macip_acl_index],
1739 vec_del1 (am->sw_if_index_vec_by_macip_acl[macip_acl_index], index);
1743 /* No check for validity of sw_if_index - the callers were supposed to validate */
1746 macip_acl_interface_add_acl (acl_main_t * am, u32 sw_if_index,
1747 u32 macip_acl_index)
1749 macip_acl_list_t *a;
1751 if (pool_is_free_index (am->macip_acls, macip_acl_index))
1753 return VNET_API_ERROR_NO_SUCH_ENTRY;
1755 void *oldheap = acl_set_heap (am);
1756 a = pool_elt_at_index (am->macip_acls, macip_acl_index);
1757 vec_validate_init_empty (am->macip_acl_by_sw_if_index, sw_if_index, ~0);
1758 vec_validate (am->sw_if_index_vec_by_macip_acl, macip_acl_index);
1759 vec_add1 (am->sw_if_index_vec_by_macip_acl[macip_acl_index], sw_if_index);
1760 clib_mem_set_heap (oldheap);
1761 /* If there already a MACIP ACL applied, unapply it */
1762 if (~0 != am->macip_acl_by_sw_if_index[sw_if_index])
1763 macip_acl_interface_del_acl (am, sw_if_index);
1764 am->macip_acl_by_sw_if_index[sw_if_index] = macip_acl_index;
1766 /* Apply the classifier tables for L2 ACLs */
1768 vnet_set_input_acl_intfc (am->vlib_main, sw_if_index, a->ip4_table_index,
1769 a->ip6_table_index, a->l2_table_index, 1);
1771 vnet_set_output_acl_intfc (am->vlib_main, sw_if_index,
1772 a->out_ip4_table_index, a->out_ip6_table_index,
1773 a->out_l2_table_index, 1);
1778 macip_acl_del_list (u32 acl_list_index)
1780 acl_main_t *am = &acl_main;
1781 macip_acl_list_t *a;
1783 if (pool_is_free_index (am->macip_acls, acl_list_index))
1785 return VNET_API_ERROR_NO_SUCH_ENTRY;
1788 /* delete any references to the ACL */
1789 for (i = 0; i < vec_len (am->macip_acl_by_sw_if_index); i++)
1791 if (am->macip_acl_by_sw_if_index[i] == acl_list_index)
1793 macip_acl_interface_del_acl (am, i);
1797 void *oldheap = acl_set_heap (am);
1798 /* Now that classifier tables are detached, clean them up */
1799 macip_destroy_classify_tables (am, acl_list_index);
1801 /* now we can delete the ACL itself */
1802 a = pool_elt_at_index (am->macip_acls, acl_list_index);
1805 vec_free (a->rules);
1807 pool_put (am->macip_acls, a);
1808 clib_mem_set_heap (oldheap);
1814 macip_acl_interface_add_del_acl (u32 sw_if_index, u8 is_add,
1817 acl_main_t *am = &acl_main;
1821 rv = macip_acl_interface_add_acl (am, sw_if_index, acl_list_index);
1825 rv = macip_acl_interface_del_acl (am, sw_if_index);
1831 * If the client does not allocate enough memory for a variable-length
1832 * message, and then proceed to use it as if the full memory allocated,
1833 * absent the check we happily consume that on the VPP side, and go
1834 * along as if nothing happened. However, the resulting
1835 * effects range from just garbage in the API decode
1836 * (because the decoder snoops too far), to potential memory
1839 * This verifies that the actual length of the message is
1840 * at least expected_len, and complains loudly if it is not.
1842 * A failing check here is 100% a software bug on the API user side,
1843 * so we might as well yell.
1847 verify_message_len (void *mp, u32 expected_len, char *where)
1849 u32 supplied_len = vl_msg_api_get_msg_length (mp);
1850 if (supplied_len < expected_len)
1852 clib_warning ("%s: Supplied message length %d is less than expected %d",
1853 where, supplied_len, expected_len);
1862 /* API message handler */
1864 vl_api_acl_add_replace_t_handler (vl_api_acl_add_replace_t * mp)
1866 vl_api_acl_add_replace_reply_t *rmp;
1867 acl_main_t *am = &acl_main;
1869 u32 acl_list_index = ntohl (mp->acl_index);
1870 u32 acl_count = ntohl (mp->count);
1871 u32 expected_len = sizeof (*mp) + acl_count * sizeof (mp->r[0]);
1873 if (verify_message_len (mp, expected_len, "acl_add_replace"))
1875 rv = acl_add_list (acl_count, mp->r, &acl_list_index, mp->tag);
1879 rv = VNET_API_ERROR_INVALID_VALUE;
1883 REPLY_MACRO2(VL_API_ACL_ADD_REPLACE_REPLY,
1885 rmp->acl_index = htonl(acl_list_index);
1891 vl_api_acl_del_t_handler (vl_api_acl_del_t * mp)
1893 acl_main_t *am = &acl_main;
1894 vl_api_acl_del_reply_t *rmp;
1897 rv = acl_del_list (ntohl (mp->acl_index));
1899 REPLY_MACRO (VL_API_ACL_DEL_REPLY);
1903 vl_api_acl_interface_add_del_t_handler (vl_api_acl_interface_add_del_t * mp)
1905 acl_main_t *am = &acl_main;
1906 vnet_interface_main_t *im = &am->vnet_main->interface_main;
1907 u32 sw_if_index = ntohl (mp->sw_if_index);
1908 vl_api_acl_interface_add_del_reply_t *rmp;
1911 if (pool_is_free_index (im->sw_interfaces, sw_if_index))
1912 rv = VNET_API_ERROR_INVALID_SW_IF_INDEX;
1915 acl_interface_add_del_inout_acl (sw_if_index, mp->is_add,
1916 mp->is_input, ntohl (mp->acl_index));
1918 REPLY_MACRO (VL_API_ACL_INTERFACE_ADD_DEL_REPLY);
1922 vl_api_acl_interface_set_acl_list_t_handler
1923 (vl_api_acl_interface_set_acl_list_t * mp)
1925 acl_main_t *am = &acl_main;
1926 vl_api_acl_interface_set_acl_list_reply_t *rmp;
1929 vnet_interface_main_t *im = &am->vnet_main->interface_main;
1930 u32 sw_if_index = ntohl (mp->sw_if_index);
1932 if (pool_is_free_index (im->sw_interfaces, sw_if_index))
1933 rv = VNET_API_ERROR_INVALID_SW_IF_INDEX;
1936 int may_clear_sessions = 1;
1937 for (i = 0; i < mp->count; i++)
1939 if (acl_is_not_defined (am, ntohl (mp->acls[i])))
1941 /* ACL does not exist, so we can not apply it */
1942 rv = VNET_API_ERROR_NO_SUCH_ENTRY;
1947 void *oldheap = acl_set_heap (am);
1949 u32 *in_acl_vec = 0;
1950 u32 *out_acl_vec = 0;
1951 for (i = 0; i < mp->count; i++)
1952 if (i < mp->n_input)
1953 vec_add1 (in_acl_vec, clib_net_to_host_u32 (mp->acls[i]));
1955 vec_add1 (out_acl_vec, clib_net_to_host_u32 (mp->acls[i]));
1958 acl_interface_set_inout_acl_list (am, sw_if_index, 0, out_acl_vec,
1959 &may_clear_sessions);
1961 || acl_interface_set_inout_acl_list (am, sw_if_index, 1,
1963 &may_clear_sessions);
1964 vec_free (in_acl_vec);
1965 vec_free (out_acl_vec);
1966 clib_mem_set_heap (oldheap);
1970 REPLY_MACRO (VL_API_ACL_INTERFACE_SET_ACL_LIST_REPLY);
1974 copy_acl_rule_to_api_rule (vl_api_acl_rule_t * api_rule, acl_rule_t * r)
1976 api_rule->is_permit = r->is_permit;
1977 api_rule->is_ipv6 = r->is_ipv6;
1980 memcpy (api_rule->src_ip_addr, &r->src, sizeof (r->src));
1981 memcpy (api_rule->dst_ip_addr, &r->dst, sizeof (r->dst));
1985 memcpy (api_rule->src_ip_addr, &r->src.ip4, sizeof (r->src.ip4));
1986 memcpy (api_rule->dst_ip_addr, &r->dst.ip4, sizeof (r->dst.ip4));
1988 api_rule->src_ip_prefix_len = r->src_prefixlen;
1989 api_rule->dst_ip_prefix_len = r->dst_prefixlen;
1990 api_rule->proto = r->proto;
1991 api_rule->srcport_or_icmptype_first = htons (r->src_port_or_type_first);
1992 api_rule->srcport_or_icmptype_last = htons (r->src_port_or_type_last);
1993 api_rule->dstport_or_icmpcode_first = htons (r->dst_port_or_code_first);
1994 api_rule->dstport_or_icmpcode_last = htons (r->dst_port_or_code_last);
1995 api_rule->tcp_flags_mask = r->tcp_flags_mask;
1996 api_rule->tcp_flags_value = r->tcp_flags_value;
2000 send_acl_details (acl_main_t * am, vl_api_registration_t * reg,
2001 acl_list_t * acl, u32 context)
2003 vl_api_acl_details_t *mp;
2004 vl_api_acl_rule_t *rules;
2006 acl_rule_t *acl_rules = acl->rules;
2007 int msg_size = sizeof (*mp) + sizeof (mp->r[0]) * vec_len (acl_rules);
2008 void *oldheap = acl_set_heap (am);
2010 mp = vl_msg_api_alloc (msg_size);
2011 clib_memset (mp, 0, msg_size);
2012 mp->_vl_msg_id = ntohs (VL_API_ACL_DETAILS + am->msg_id_base);
2014 /* fill in the message */
2015 mp->context = context;
2016 mp->count = htonl (vec_len (acl_rules));
2017 mp->acl_index = htonl (acl - am->acls);
2018 memcpy (mp->tag, acl->tag, sizeof (mp->tag));
2019 // clib_memcpy (mp->r, acl->rules, acl->count * sizeof(acl->rules[0]));
2021 for (i = 0; i < vec_len (acl_rules); i++)
2023 copy_acl_rule_to_api_rule (&rules[i], &acl_rules[i]);
2026 clib_mem_set_heap (oldheap);
2027 vl_api_send_msg (reg, (u8 *) mp);
2032 vl_api_acl_dump_t_handler (vl_api_acl_dump_t * mp)
2034 acl_main_t *am = &acl_main;
2038 vl_api_registration_t *reg;
2040 reg = vl_api_client_index_to_registration (mp->client_index);
2044 if (mp->acl_index == ~0)
2047 /* Just dump all ACLs */
2048 pool_foreach (acl, am->acls,
2050 send_acl_details(am, reg, acl, mp->context);
2056 acl_index = ntohl (mp->acl_index);
2057 if (!pool_is_free_index (am->acls, acl_index))
2059 acl = pool_elt_at_index (am->acls, acl_index);
2060 send_acl_details (am, reg, acl, mp->context);
2066 /* FIXME API: should we signal an error here at all ? */
2072 send_acl_interface_list_details (acl_main_t * am,
2073 vl_api_registration_t * reg,
2074 u32 sw_if_index, u32 context)
2076 vl_api_acl_interface_list_details_t *mp;
2082 void *oldheap = acl_set_heap (am);
2084 vec_validate (am->input_acl_vec_by_sw_if_index, sw_if_index);
2085 vec_validate (am->output_acl_vec_by_sw_if_index, sw_if_index);
2087 clib_mem_set_heap (oldheap);
2089 n_input = vec_len (am->input_acl_vec_by_sw_if_index[sw_if_index]);
2090 n_output = vec_len (am->output_acl_vec_by_sw_if_index[sw_if_index]);
2091 count = n_input + n_output;
2093 msg_size = sizeof (*mp);
2094 msg_size += sizeof (mp->acls[0]) * count;
2096 mp = vl_msg_api_alloc (msg_size);
2097 clib_memset (mp, 0, msg_size);
2099 ntohs (VL_API_ACL_INTERFACE_LIST_DETAILS + am->msg_id_base);
2101 /* fill in the message */
2102 mp->context = context;
2103 mp->sw_if_index = htonl (sw_if_index);
2105 mp->n_input = n_input;
2106 for (i = 0; i < n_input; i++)
2108 mp->acls[i] = htonl (am->input_acl_vec_by_sw_if_index[sw_if_index][i]);
2110 for (i = 0; i < n_output; i++)
2112 mp->acls[n_input + i] =
2113 htonl (am->output_acl_vec_by_sw_if_index[sw_if_index][i]);
2115 vl_api_send_msg (reg, (u8 *) mp);
2119 vl_api_acl_interface_list_dump_t_handler (vl_api_acl_interface_list_dump_t *
2122 acl_main_t *am = &acl_main;
2123 vnet_sw_interface_t *swif;
2124 vnet_interface_main_t *im = &am->vnet_main->interface_main;
2127 vl_api_registration_t *reg;
2129 reg = vl_api_client_index_to_registration (mp->client_index);
2133 if (mp->sw_if_index == ~0)
2136 pool_foreach (swif, im->sw_interfaces,
2138 send_acl_interface_list_details(am, reg, swif->sw_if_index, mp->context);
2144 sw_if_index = ntohl (mp->sw_if_index);
2145 if (!pool_is_free_index (im->sw_interfaces, sw_if_index))
2146 send_acl_interface_list_details (am, reg, sw_if_index, mp->context);
2150 /* MACIP ACL API handlers */
2153 vl_api_macip_acl_add_t_handler (vl_api_macip_acl_add_t * mp)
2155 vl_api_macip_acl_add_reply_t *rmp;
2156 acl_main_t *am = &acl_main;
2158 u32 acl_list_index = ~0;
2159 u32 acl_count = ntohl (mp->count);
2160 u32 expected_len = sizeof (*mp) + acl_count * sizeof (mp->r[0]);
2162 if (verify_message_len (mp, expected_len, "macip_acl_add"))
2164 rv = macip_acl_add_list (acl_count, mp->r, &acl_list_index, mp->tag);
2168 rv = VNET_API_ERROR_INVALID_VALUE;
2172 REPLY_MACRO2(VL_API_MACIP_ACL_ADD_REPLY,
2174 rmp->acl_index = htonl(acl_list_index);
2180 vl_api_macip_acl_add_replace_t_handler (vl_api_macip_acl_add_replace_t * mp)
2182 vl_api_macip_acl_add_replace_reply_t *rmp;
2183 acl_main_t *am = &acl_main;
2185 u32 acl_list_index = ntohl (mp->acl_index);
2186 u32 acl_count = ntohl (mp->count);
2187 u32 expected_len = sizeof (*mp) + acl_count * sizeof (mp->r[0]);
2189 if (verify_message_len (mp, expected_len, "macip_acl_add_replace"))
2191 rv = macip_acl_add_list (acl_count, mp->r, &acl_list_index, mp->tag);
2195 rv = VNET_API_ERROR_INVALID_VALUE;
2199 REPLY_MACRO2(VL_API_MACIP_ACL_ADD_REPLACE_REPLY,
2201 rmp->acl_index = htonl(acl_list_index);
2207 vl_api_macip_acl_del_t_handler (vl_api_macip_acl_del_t * mp)
2209 acl_main_t *am = &acl_main;
2210 vl_api_macip_acl_del_reply_t *rmp;
2213 rv = macip_acl_del_list (ntohl (mp->acl_index));
2215 REPLY_MACRO (VL_API_MACIP_ACL_DEL_REPLY);
2219 vl_api_macip_acl_interface_add_del_t_handler
2220 (vl_api_macip_acl_interface_add_del_t * mp)
2222 acl_main_t *am = &acl_main;
2223 vl_api_macip_acl_interface_add_del_reply_t *rmp;
2225 vnet_interface_main_t *im = &am->vnet_main->interface_main;
2226 u32 sw_if_index = ntohl (mp->sw_if_index);
2228 if (pool_is_free_index (im->sw_interfaces, sw_if_index))
2229 rv = VNET_API_ERROR_INVALID_SW_IF_INDEX;
2232 macip_acl_interface_add_del_acl (ntohl (mp->sw_if_index), mp->is_add,
2233 ntohl (mp->acl_index));
2235 REPLY_MACRO (VL_API_MACIP_ACL_INTERFACE_ADD_DEL_REPLY);
2239 send_macip_acl_details (acl_main_t * am, vl_api_registration_t * reg,
2240 macip_acl_list_t * acl, u32 context)
2242 vl_api_macip_acl_details_t *mp;
2243 vl_api_macip_acl_rule_t *rules;
2244 macip_acl_rule_t *r;
2246 int msg_size = sizeof (*mp) + (acl ? sizeof (mp->r[0]) * acl->count : 0);
2248 mp = vl_msg_api_alloc (msg_size);
2249 clib_memset (mp, 0, msg_size);
2250 mp->_vl_msg_id = ntohs (VL_API_MACIP_ACL_DETAILS + am->msg_id_base);
2252 /* fill in the message */
2253 mp->context = context;
2256 memcpy (mp->tag, acl->tag, sizeof (mp->tag));
2257 mp->count = htonl (acl->count);
2258 mp->acl_index = htonl (acl - am->macip_acls);
2260 for (i = 0; i < acl->count; i++)
2263 rules[i].is_permit = r->is_permit;
2264 rules[i].is_ipv6 = r->is_ipv6;
2265 memcpy (rules[i].src_mac, &r->src_mac, sizeof (r->src_mac));
2266 memcpy (rules[i].src_mac_mask, &r->src_mac_mask,
2267 sizeof (r->src_mac_mask));
2269 memcpy (rules[i].src_ip_addr, &r->src_ip_addr.ip6,
2270 sizeof (r->src_ip_addr.ip6));
2272 memcpy (rules[i].src_ip_addr, &r->src_ip_addr.ip4,
2273 sizeof (r->src_ip_addr.ip4));
2274 rules[i].src_ip_prefix_len = r->src_prefixlen;
2279 /* No martini, no party - no ACL applied to this interface. */
2284 vl_api_send_msg (reg, (u8 *) mp);
2289 vl_api_macip_acl_dump_t_handler (vl_api_macip_acl_dump_t * mp)
2291 acl_main_t *am = &acl_main;
2292 macip_acl_list_t *acl;
2294 vl_api_registration_t *reg;
2296 reg = vl_api_client_index_to_registration (mp->client_index);
2300 if (mp->acl_index == ~0)
2302 /* Just dump all ACLs for now, with sw_if_index = ~0 */
2303 pool_foreach (acl, am->macip_acls, (
2305 send_macip_acl_details (am, reg,
2314 u32 acl_index = ntohl (mp->acl_index);
2315 if (!pool_is_free_index (am->macip_acls, acl_index))
2317 acl = pool_elt_at_index (am->macip_acls, acl_index);
2318 send_macip_acl_details (am, reg, acl, mp->context);
2324 vl_api_macip_acl_interface_get_t_handler (vl_api_macip_acl_interface_get_t *
2327 acl_main_t *am = &acl_main;
2328 vl_api_macip_acl_interface_get_reply_t *rmp;
2329 u32 count = vec_len (am->macip_acl_by_sw_if_index);
2330 int msg_size = sizeof (*rmp) + sizeof (rmp->acls[0]) * count;
2331 vl_api_registration_t *reg;
2334 reg = vl_api_client_index_to_registration (mp->client_index);
2338 rmp = vl_msg_api_alloc (msg_size);
2339 clib_memset (rmp, 0, msg_size);
2341 ntohs (VL_API_MACIP_ACL_INTERFACE_GET_REPLY + am->msg_id_base);
2342 rmp->context = mp->context;
2343 rmp->count = htonl (count);
2344 for (i = 0; i < count; i++)
2346 rmp->acls[i] = htonl (am->macip_acl_by_sw_if_index[i]);
2349 vl_api_send_msg (reg, (u8 *) rmp);
2353 send_macip_acl_interface_list_details (acl_main_t * am,
2354 vl_api_registration_t * reg,
2356 u32 acl_index, u32 context)
2358 vl_api_macip_acl_interface_list_details_t *rmp;
2359 /* at this time there is only ever 1 mac ip acl per interface */
2360 int msg_size = sizeof (*rmp) + sizeof (rmp->acls[0]);
2362 rmp = vl_msg_api_alloc (msg_size);
2363 clib_memset (rmp, 0, msg_size);
2365 ntohs (VL_API_MACIP_ACL_INTERFACE_LIST_DETAILS + am->msg_id_base);
2367 /* fill in the message */
2368 rmp->context = context;
2370 rmp->sw_if_index = htonl (sw_if_index);
2371 rmp->acls[0] = htonl (acl_index);
2373 vl_api_send_msg (reg, (u8 *) rmp);
2377 vl_api_macip_acl_interface_list_dump_t_handler
2378 (vl_api_macip_acl_interface_list_dump_t * mp)
2380 vl_api_registration_t *reg;
2381 acl_main_t *am = &acl_main;
2382 u32 sw_if_index = ntohl (mp->sw_if_index);
2384 reg = vl_api_client_index_to_registration (mp->client_index);
2388 if (sw_if_index == ~0)
2390 vec_foreach_index (sw_if_index, am->macip_acl_by_sw_if_index)
2392 if (~0 != am->macip_acl_by_sw_if_index[sw_if_index])
2394 send_macip_acl_interface_list_details (am, reg, sw_if_index,
2395 am->macip_acl_by_sw_if_index
2403 if (vec_len (am->macip_acl_by_sw_if_index) > sw_if_index)
2405 send_macip_acl_interface_list_details (am, reg, sw_if_index,
2406 am->macip_acl_by_sw_if_index
2407 [sw_if_index], mp->context);
2413 vl_api_acl_interface_set_etype_whitelist_t_handler
2414 (vl_api_acl_interface_set_etype_whitelist_t * mp)
2416 acl_main_t *am = &acl_main;
2417 vl_api_acl_interface_set_etype_whitelist_reply_t *rmp;
2420 vnet_interface_main_t *im = &am->vnet_main->interface_main;
2421 u32 sw_if_index = ntohl (mp->sw_if_index);
2422 u16 *vec_in = 0, *vec_out = 0;
2423 void *oldheap = acl_set_heap (am);
2425 if (pool_is_free_index (im->sw_interfaces, sw_if_index))
2426 rv = VNET_API_ERROR_INVALID_SW_IF_INDEX;
2429 for (i = 0; i < mp->count; i++)
2431 if (i < mp->n_input)
2432 vec_add1 (vec_in, ntohs (mp->whitelist[i]));
2434 vec_add1 (vec_out, ntohs (mp->whitelist[i]));
2436 rv = acl_set_etype_whitelists (am, sw_if_index, vec_in, vec_out);
2439 clib_mem_set_heap (oldheap);
2440 REPLY_MACRO (VL_API_ACL_INTERFACE_SET_ETYPE_WHITELIST_REPLY);
2444 send_acl_interface_etype_whitelist_details (acl_main_t * am,
2445 vl_api_registration_t * reg,
2446 u32 sw_if_index, u32 context)
2448 vl_api_acl_interface_etype_whitelist_details_t *mp;
2455 u16 *whitelist_in = 0;
2456 u16 *whitelist_out = 0;
2458 if (intf_has_etype_whitelist (am, sw_if_index, 0))
2460 vec_elt (am->output_etype_whitelist_by_sw_if_index, sw_if_index);
2462 if (intf_has_etype_whitelist (am, sw_if_index, 1))
2464 vec_elt (am->input_etype_whitelist_by_sw_if_index, sw_if_index);
2466 if ((0 == whitelist_in) && (0 == whitelist_out))
2467 return; /* nothing to do */
2469 void *oldheap = acl_set_heap (am);
2471 n_input = vec_len (whitelist_in);
2472 n_output = vec_len (whitelist_out);
2473 count = n_input + n_output;
2475 msg_size = sizeof (*mp);
2476 msg_size += sizeof (mp->whitelist[0]) * count;
2478 mp = vl_msg_api_alloc (msg_size);
2479 clib_memset (mp, 0, msg_size);
2481 ntohs (VL_API_ACL_INTERFACE_ETYPE_WHITELIST_DETAILS + am->msg_id_base);
2483 /* fill in the message */
2484 mp->context = context;
2485 mp->sw_if_index = htonl (sw_if_index);
2487 mp->n_input = n_input;
2488 for (i = 0; i < n_input; i++)
2490 mp->whitelist[i] = htons (whitelist_in[i]);
2492 for (i = 0; i < n_output; i++)
2494 mp->whitelist[n_input + i] = htons (whitelist_out[i]);
2496 clib_mem_set_heap (oldheap);
2497 vl_api_send_msg (reg, (u8 *) mp);
2502 vl_api_acl_interface_etype_whitelist_dump_t_handler
2503 (vl_api_acl_interface_list_dump_t * mp)
2505 acl_main_t *am = &acl_main;
2506 vnet_sw_interface_t *swif;
2507 vnet_interface_main_t *im = &am->vnet_main->interface_main;
2510 vl_api_registration_t *reg;
2512 reg = vl_api_client_index_to_registration (mp->client_index);
2516 if (mp->sw_if_index == ~0)
2519 pool_foreach (swif, im->sw_interfaces,
2521 send_acl_interface_etype_whitelist_details(am, reg, swif->sw_if_index, mp->context);
2527 sw_if_index = ntohl (mp->sw_if_index);
2528 if (!pool_is_free_index (im->sw_interfaces, sw_if_index))
2529 send_acl_interface_etype_whitelist_details (am, reg, sw_if_index,
2536 /* Set up the API message handling tables */
2537 static clib_error_t *
2538 acl_plugin_api_hookup (vlib_main_t * vm)
2540 acl_main_t *am = &acl_main;
2542 vl_msg_api_set_handlers((VL_API_##N + am->msg_id_base), \
2544 vl_api_##n##_t_handler, \
2546 vl_api_##n##_t_endian, \
2547 vl_api_##n##_t_print, \
2548 sizeof(vl_api_##n##_t), 1);
2549 foreach_acl_plugin_api_msg;
2555 #define vl_msg_name_crc_list
2556 #include <acl/acl_all_api_h.h>
2557 #undef vl_msg_name_crc_list
2560 setup_message_id_table (acl_main_t * am, api_main_t * apim)
2562 #define _(id,n,crc) \
2563 vl_msg_api_add_msg_name_crc (apim, #n "_" #crc, id + am->msg_id_base);
2564 foreach_vl_msg_name_crc_acl;
2569 acl_set_timeout_sec (int timeout_type, u32 value)
2571 acl_main_t *am = &acl_main;
2572 clib_time_t *ct = &am->vlib_main->clib_time;
2574 if (timeout_type < ACL_N_TIMEOUTS)
2576 am->session_timeout_sec[timeout_type] = value;
2580 clib_warning ("Unknown timeout type %d", timeout_type);
2583 am->session_timeout[timeout_type] =
2584 (u64) (((f64) value) / ct->seconds_per_clock);
2588 acl_set_session_max_entries (u32 value)
2590 acl_main_t *am = &acl_main;
2591 am->fa_conn_table_max_entries = value;
2595 acl_set_skip_ipv6_eh (u32 eh, u32 value)
2597 acl_main_t *am = &acl_main;
2599 if ((eh < 256) && (value < 2))
2601 am->fa_ipv6_known_eh_bitmap =
2602 clib_bitmap_set (am->fa_ipv6_known_eh_bitmap, eh, value);
2610 static clib_error_t *
2611 acl_sw_interface_add_del (vnet_main_t * vnm, u32 sw_if_index, u32 is_add)
2613 acl_main_t *am = &acl_main;
2614 if (0 == am->acl_mheap)
2616 /* ACL heap is not initialized, so definitely nothing to do. */
2621 int may_clear_sessions = 1;
2622 vlib_process_signal_event (am->vlib_main, am->fa_cleaner_node_index,
2623 ACL_FA_CLEANER_DELETE_BY_SW_IF_INDEX,
2625 /* also unapply any ACLs in case the users did not do so. */
2626 macip_acl_interface_del_acl (am, sw_if_index);
2627 acl_interface_reset_inout_acls (sw_if_index, 0, &may_clear_sessions);
2628 acl_interface_reset_inout_acls (sw_if_index, 1, &may_clear_sessions);
2633 VNET_SW_INTERFACE_ADD_DEL_FUNCTION (acl_sw_interface_add_del);
2637 static clib_error_t *
2638 acl_set_aclplugin_fn (vlib_main_t * vm,
2639 unformat_input_t * input, vlib_cli_command_t * cmd)
2641 clib_error_t *error = 0;
2645 uword memory_size = 0;
2646 acl_main_t *am = &acl_main;
2648 if (unformat (input, "skip-ipv6-extension-header %u %u", &eh_val, &val))
2650 if (!acl_set_skip_ipv6_eh (eh_val, val))
2652 error = clib_error_return (0, "expecting eh=0..255, value=0..1");
2656 if (unformat (input, "use-hash-acl-matching %u", &val))
2658 am->use_hash_acl_matching = (val != 0);
2661 if (unformat (input, "l4-match-nonfirst-fragment %u", &val))
2663 am->l4_match_nonfirst_fragment = (val != 0);
2666 if (unformat (input, "reclassify-sessions %u", &val))
2668 am->reclassify_sessions = (val != 0);
2671 if (unformat (input, "event-trace"))
2673 if (!unformat (input, "%u", &val))
2675 error = clib_error_return (0,
2676 "expecting trace level, got `%U`",
2677 format_unformat_error, input);
2682 am->trace_acl = val;
2686 if (unformat (input, "heap"))
2688 if (unformat (input, "main"))
2690 if (unformat (input, "validate %u", &val))
2691 acl_plugin_acl_set_validate_heap (am, val);
2692 else if (unformat (input, "trace %u", &val))
2693 acl_plugin_acl_set_trace_heap (am, val);
2696 else if (unformat (input, "hash"))
2698 if (unformat (input, "validate %u", &val))
2699 acl_plugin_hash_acl_set_validate_heap (val);
2700 else if (unformat (input, "trace %u", &val))
2701 acl_plugin_hash_acl_set_trace_heap (val);
2706 if (unformat (input, "session"))
2708 if (unformat (input, "table"))
2710 /* The commands here are for tuning/testing. No user-serviceable parts inside */
2711 if (unformat (input, "max-entries"))
2713 if (!unformat (input, "%u", &val))
2715 error = clib_error_return (0,
2716 "expecting maximum number of entries, got `%U`",
2717 format_unformat_error, input);
2722 acl_set_session_max_entries (val);
2726 if (unformat (input, "hash-table-buckets"))
2728 if (!unformat (input, "%u", &val))
2730 error = clib_error_return (0,
2731 "expecting maximum number of hash table buckets, got `%U`",
2732 format_unformat_error, input);
2737 am->fa_conn_table_hash_num_buckets = val;
2741 if (unformat (input, "hash-table-memory"))
2743 if (!unformat (input, "%U", unformat_memory_size, &memory_size))
2745 error = clib_error_return (0,
2746 "expecting maximum amount of hash table memory, got `%U`",
2747 format_unformat_error, input);
2752 am->fa_conn_table_hash_memory_size = memory_size;
2756 if (unformat (input, "event-trace"))
2758 if (!unformat (input, "%u", &val))
2760 error = clib_error_return (0,
2761 "expecting trace level, got `%U`",
2762 format_unformat_error, input);
2767 am->trace_sessions = val;
2773 if (unformat (input, "timeout"))
2775 if (unformat (input, "udp"))
2777 if (unformat (input, "idle"))
2779 if (!unformat (input, "%u", &timeout))
2781 error = clib_error_return (0,
2782 "expecting timeout value in seconds, got `%U`",
2783 format_unformat_error,
2789 acl_set_timeout_sec (ACL_TIMEOUT_UDP_IDLE, timeout);
2794 if (unformat (input, "tcp"))
2796 if (unformat (input, "idle"))
2798 if (!unformat (input, "%u", &timeout))
2800 error = clib_error_return (0,
2801 "expecting timeout value in seconds, got `%U`",
2802 format_unformat_error,
2808 acl_set_timeout_sec (ACL_TIMEOUT_TCP_IDLE, timeout);
2812 if (unformat (input, "transient"))
2814 if (!unformat (input, "%u", &timeout))
2816 error = clib_error_return (0,
2817 "expecting timeout value in seconds, got `%U`",
2818 format_unformat_error,
2824 acl_set_timeout_sec (ACL_TIMEOUT_TCP_TRANSIENT,
2838 my_format_mac_address (u8 * s, va_list * args)
2840 u8 *a = va_arg (*args, u8 *);
2841 return format (s, "%02x:%02x:%02x:%02x:%02x:%02x",
2842 a[0], a[1], a[2], a[3], a[4], a[5]);
2846 my_macip_acl_rule_t_pretty_format (u8 * out, va_list * args)
2848 macip_acl_rule_t *a = va_arg (*args, macip_acl_rule_t *);
2850 out = format (out, "%s action %d ip %U/%d mac %U mask %U",
2851 a->is_ipv6 ? "ipv6" : "ipv4", a->is_permit,
2852 format_ip46_address, &a->src_ip_addr,
2853 a->is_ipv6 ? IP46_TYPE_IP6 : IP46_TYPE_IP4,
2855 my_format_mac_address, a->src_mac,
2856 my_format_mac_address, a->src_mac_mask);
2861 macip_acl_print (acl_main_t * am, u32 macip_acl_index)
2863 vlib_main_t *vm = am->vlib_main;
2866 /* Don't try to print someone else's memory */
2867 if (macip_acl_index >= vec_len (am->macip_acls))
2870 macip_acl_list_t *a = vec_elt_at_index (am->macip_acls, macip_acl_index);
2871 int free_pool_slot = pool_is_free_index (am->macip_acls, macip_acl_index);
2873 vlib_cli_output (vm,
2874 "MACIP acl_index: %d, count: %d (true len %d) tag {%s} is free pool slot: %d\n",
2875 macip_acl_index, a->count, vec_len (a->rules), a->tag,
2877 vlib_cli_output (vm,
2878 " ip4_table_index %d, ip6_table_index %d, l2_table_index %d\n",
2879 a->ip4_table_index, a->ip6_table_index, a->l2_table_index);
2880 vlib_cli_output (vm,
2881 " out_ip4_table_index %d, out_ip6_table_index %d, out_l2_table_index %d\n",
2882 a->out_ip4_table_index, a->out_ip6_table_index,
2883 a->out_l2_table_index);
2884 for (i = 0; i < vec_len (a->rules); i++)
2885 vlib_cli_output (vm, " rule %d: %U\n", i,
2886 my_macip_acl_rule_t_pretty_format,
2887 vec_elt_at_index (a->rules, i));
2891 static clib_error_t *
2892 acl_show_aclplugin_macip_acl_fn (vlib_main_t * vm,
2894 input, vlib_cli_command_t * cmd)
2896 clib_error_t *error = 0;
2897 acl_main_t *am = &acl_main;
2901 (void) unformat (input, "index %u", &acl_index);
2903 for (i = 0; i < vec_len (am->macip_acls); i++)
2905 /* Don't attempt to show the ACLs that do not exist */
2906 if (pool_is_free_index (am->macip_acls, i))
2909 if ((acl_index != ~0) && (acl_index != i))
2914 macip_acl_print (am, i);
2915 if (i < vec_len (am->sw_if_index_vec_by_macip_acl))
2917 vlib_cli_output (vm, " applied on sw_if_index(s): %U\n",
2919 vec_elt (am->sw_if_index_vec_by_macip_acl, i),
2927 static clib_error_t *
2928 acl_show_aclplugin_macip_interface_fn (vlib_main_t * vm,
2930 input, vlib_cli_command_t * cmd)
2932 clib_error_t *error = 0;
2933 acl_main_t *am = &acl_main;
2935 for (i = 0; i < vec_len (am->macip_acl_by_sw_if_index); i++)
2937 vlib_cli_output (vm, " sw_if_index %d: %d\n", i,
2938 vec_elt (am->macip_acl_by_sw_if_index, i));
2944 acl_plugin_show_acl (acl_main_t * am, u32 acl_index)
2947 vlib_main_t *vm = am->vlib_main;
2949 for (i = 0; i < vec_len (am->acls); i++)
2951 if (acl_is_not_defined (am, i))
2953 /* don't attempt to show the ACLs that do not exist */
2956 if ((acl_index != ~0) && (acl_index != i))
2960 acl_print_acl (vm, am, i);
2962 if (i < vec_len (am->input_sw_if_index_vec_by_acl))
2964 vlib_cli_output (vm, " applied inbound on sw_if_index: %U\n",
2965 format_vec32, am->input_sw_if_index_vec_by_acl[i],
2968 if (i < vec_len (am->output_sw_if_index_vec_by_acl))
2970 vlib_cli_output (vm, " applied outbound on sw_if_index: %U\n",
2971 format_vec32, am->output_sw_if_index_vec_by_acl[i],
2974 if (i < vec_len (am->lc_index_vec_by_acl))
2976 vlib_cli_output (vm, " used in lookup context index: %U\n",
2977 format_vec32, am->lc_index_vec_by_acl[i], "%d");
2982 static clib_error_t *
2983 acl_show_aclplugin_acl_fn (vlib_main_t * vm,
2984 unformat_input_t * input, vlib_cli_command_t * cmd)
2986 clib_error_t *error = 0;
2987 acl_main_t *am = &acl_main;
2990 (void) unformat (input, "index %u", &acl_index);
2992 acl_plugin_show_acl (am, acl_index);
2996 static clib_error_t *
2997 acl_show_aclplugin_lookup_context_fn (vlib_main_t * vm,
2998 unformat_input_t * input,
2999 vlib_cli_command_t * cmd)
3001 clib_error_t *error = 0;
3004 (void) unformat (input, "index %u", &lc_index);
3006 acl_plugin_show_lookup_context (lc_index);
3010 static clib_error_t *
3011 acl_show_aclplugin_lookup_user_fn (vlib_main_t * vm,
3012 unformat_input_t * input,
3013 vlib_cli_command_t * cmd)
3015 clib_error_t *error = 0;
3018 (void) unformat (input, "index %u", &lc_index);
3020 acl_plugin_show_lookup_user (lc_index);
3026 acl_plugin_show_interface (acl_main_t * am, u32 sw_if_index, int show_acl,
3029 vlib_main_t *vm = am->vlib_main;
3032 for (swi = 0; (swi < vec_len (am->input_acl_vec_by_sw_if_index)) ||
3033 (swi < vec_len (am->output_acl_vec_by_sw_if_index)); swi++)
3035 /* if we need a particular interface, skip all the others */
3036 if ((sw_if_index != ~0) && (sw_if_index != swi))
3039 vlib_cli_output (vm, "sw_if_index %d:\n", swi);
3040 if (swi < vec_len (am->input_policy_epoch_by_sw_if_index))
3041 vlib_cli_output (vm, " input policy epoch: %x\n",
3042 vec_elt (am->input_policy_epoch_by_sw_if_index,
3044 if (swi < vec_len (am->output_policy_epoch_by_sw_if_index))
3045 vlib_cli_output (vm, " output policy epoch: %x\n",
3046 vec_elt (am->output_policy_epoch_by_sw_if_index,
3050 if (intf_has_etype_whitelist (am, swi, 1))
3052 vlib_cli_output (vm, " input etype whitelist: %U", format_vec16,
3053 am->input_etype_whitelist_by_sw_if_index[swi],
3056 if (intf_has_etype_whitelist (am, swi, 0))
3058 vlib_cli_output (vm, " output etype whitelist: %U", format_vec16,
3059 am->output_etype_whitelist_by_sw_if_index[swi],
3063 if ((swi < vec_len (am->input_acl_vec_by_sw_if_index)) &&
3064 (vec_len (am->input_acl_vec_by_sw_if_index[swi]) > 0))
3066 vlib_cli_output (vm, " input acl(s): %U", format_vec32,
3067 am->input_acl_vec_by_sw_if_index[swi], "%d");
3070 vlib_cli_output (vm, "\n");
3071 vec_foreach (pj, am->input_acl_vec_by_sw_if_index[swi])
3073 acl_print_acl (vm, am, *pj);
3075 vlib_cli_output (vm, "\n");
3079 if ((swi < vec_len (am->output_acl_vec_by_sw_if_index)) &&
3080 (vec_len (am->output_acl_vec_by_sw_if_index[swi]) > 0))
3082 vlib_cli_output (vm, " output acl(s): %U", format_vec32,
3083 am->output_acl_vec_by_sw_if_index[swi], "%d");
3086 vlib_cli_output (vm, "\n");
3087 vec_foreach (pj, am->output_acl_vec_by_sw_if_index[swi])
3089 acl_print_acl (vm, am, *pj);
3091 vlib_cli_output (vm, "\n");
3094 if (detail && (swi < vec_len (am->input_lc_index_by_sw_if_index)))
3096 vlib_cli_output (vm, " input lookup context index: %d",
3097 am->input_lc_index_by_sw_if_index[swi]);
3099 if (detail && (swi < vec_len (am->output_lc_index_by_sw_if_index)))
3101 vlib_cli_output (vm, " output lookup context index: %d",
3102 am->output_lc_index_by_sw_if_index[swi]);
3109 static clib_error_t *
3110 acl_show_aclplugin_decode_5tuple_fn (vlib_main_t * vm,
3111 unformat_input_t * input,
3112 vlib_cli_command_t * cmd)
3114 clib_error_t *error = 0;
3115 u64 five_tuple[6] = { 0, 0, 0, 0, 0, 0 };
3118 (input, "%llx %llx %llx %llx %llx %llx", &five_tuple[0], &five_tuple[1],
3119 &five_tuple[2], &five_tuple[3], &five_tuple[4], &five_tuple[5]))
3120 vlib_cli_output (vm, "5-tuple structure decode: %U\n\n",
3121 format_acl_plugin_5tuple, five_tuple);
3123 error = clib_error_return (0, "expecting 6 hex integers");
3128 static clib_error_t *
3129 acl_show_aclplugin_interface_fn (vlib_main_t * vm,
3131 input, vlib_cli_command_t * cmd)
3133 clib_error_t *error = 0;
3134 acl_main_t *am = &acl_main;
3136 u32 sw_if_index = ~0;
3137 (void) unformat (input, "sw_if_index %u", &sw_if_index);
3138 int show_acl = unformat (input, "acl");
3139 int detail = unformat (input, "detail");
3141 acl_plugin_show_interface (am, sw_if_index, show_acl, detail);
3145 static clib_error_t *
3146 acl_show_aclplugin_memory_fn (vlib_main_t * vm,
3147 unformat_input_t * input,
3148 vlib_cli_command_t * cmd)
3150 clib_error_t *error = 0;
3151 acl_main_t *am = &acl_main;
3153 vlib_cli_output (vm, "ACL plugin main heap statistics:\n");
3156 vlib_cli_output (vm, " %U\n", format_mheap, am->acl_mheap, 1);
3160 vlib_cli_output (vm, " Not initialized\n");
3162 vlib_cli_output (vm, "ACL hash lookup support heap statistics:\n");
3163 if (am->hash_lookup_mheap)
3165 vlib_cli_output (vm, " %U\n", format_mheap, am->hash_lookup_mheap, 1);
3169 vlib_cli_output (vm, " Not initialized\n");
3175 acl_plugin_show_sessions (acl_main_t * am,
3176 u32 show_session_thread_id,
3177 u32 show_session_session_index)
3179 vlib_main_t *vm = am->vlib_main;
3181 vnet_interface_main_t *im = &am->vnet_main->interface_main;
3182 vnet_sw_interface_t *swif;
3183 u64 now = clib_cpu_time_now ();
3184 u64 clocks_per_second = am->vlib_main->clib_time.clocks_per_second;
3187 u64 n_adds = am->fa_session_total_adds;
3188 u64 n_dels = am->fa_session_total_dels;
3189 u64 n_deact = am->fa_session_total_deactivations;
3190 vlib_cli_output (vm, "Sessions total: add %lu - del %lu = %lu", n_adds,
3191 n_dels, n_adds - n_dels);
3192 vlib_cli_output (vm, "Sessions active: add %lu - deact %lu = %lu", n_adds,
3193 n_deact, n_adds - n_deact);
3194 vlib_cli_output (vm, "Sessions being purged: deact %lu - del %lu = %lu",
3195 n_deact, n_dels, n_deact - n_dels);
3197 vlib_cli_output (vm, "now: %lu clocks per second: %lu", now,
3199 vlib_cli_output (vm, "\n\nPer-thread data:");
3200 for (wk = 0; wk < vec_len (am->per_worker_data); wk++)
3202 acl_fa_per_worker_data_t *pw = &am->per_worker_data[wk];
3203 vlib_cli_output (vm, "Thread #%d:", wk);
3204 if (show_session_thread_id == wk
3205 && show_session_session_index < pool_len (pw->fa_sessions_pool))
3207 vlib_cli_output (vm, " session index %u:",
3208 show_session_session_index);
3209 fa_session_t *sess =
3210 pw->fa_sessions_pool + show_session_session_index;
3211 u64 *m = (u64 *) & sess->info;
3212 vlib_cli_output (vm,
3213 " info: %016llx %016llx %016llx %016llx %016llx %016llx",
3214 m[0], m[1], m[2], m[3], m[4], m[5]);
3215 vlib_cli_output (vm, " sw_if_index: %u", sess->sw_if_index);
3216 vlib_cli_output (vm, " tcp_flags_seen: %x",
3217 sess->tcp_flags_seen.as_u16);
3218 vlib_cli_output (vm, " last active time: %lu",
3219 sess->last_active_time);
3220 vlib_cli_output (vm, " thread index: %u", sess->thread_index);
3221 vlib_cli_output (vm, " link enqueue time: %lu",
3222 sess->link_enqueue_time);
3223 vlib_cli_output (vm, " link next index: %u",
3224 sess->link_next_idx);
3225 vlib_cli_output (vm, " link prev index: %u",
3226 sess->link_prev_idx);
3227 vlib_cli_output (vm, " link list id: %u", sess->link_list_id);
3229 vlib_cli_output (vm, " connection add/del stats:", wk);
3230 pool_foreach (swif, im->sw_interfaces, (
3237 (pw->fa_session_adds_by_sw_if_index)
3239 pw->fa_session_adds_by_sw_if_index
3244 (pw->fa_session_dels_by_sw_if_index)
3246 pw->fa_session_dels_by_sw_if_index
3248 u64 n_epoch_changes =
3251 (pw->fa_session_epoch_change_by_sw_if_index)
3253 pw->fa_session_epoch_change_by_sw_if_index
3255 vlib_cli_output (vm,
3256 " sw_if_index %d: add %lu - del %lu = %lu; epoch chg: %lu",
3266 vlib_cli_output (vm, " connection timeout type lists:", wk);
3268 for (tt = 0; tt < ACL_N_TIMEOUTS; tt++)
3270 u32 head_session_index = pw->fa_conn_list_head[tt];
3271 vlib_cli_output (vm, " fa_conn_list_head[%d]: %d", tt,
3272 head_session_index);
3273 if (~0 != head_session_index)
3275 fa_session_t *sess = pw->fa_sessions_pool + head_session_index;
3276 vlib_cli_output (vm, " last active time: %lu",
3277 sess->last_active_time);
3278 vlib_cli_output (vm, " link enqueue time: %lu",
3279 sess->link_enqueue_time);
3283 vlib_cli_output (vm, " Next expiry time: %lu", pw->next_expiry_time);
3284 vlib_cli_output (vm, " Requeue until time: %lu",
3285 pw->requeue_until_time);
3286 vlib_cli_output (vm, " Current time wait interval: %lu",
3287 pw->current_time_wait_interval);
3288 vlib_cli_output (vm, " Count of deleted sessions: %lu",
3289 pw->cnt_deleted_sessions);
3290 vlib_cli_output (vm, " Delete already deleted: %lu",
3291 pw->cnt_already_deleted_sessions);
3292 vlib_cli_output (vm, " Session timers restarted: %lu",
3293 pw->cnt_session_timer_restarted);
3294 vlib_cli_output (vm, " Swipe until this time: %lu",
3295 pw->swipe_end_time);
3296 vlib_cli_output (vm, " sw_if_index serviced bitmap: %U",
3297 format_bitmap_hex, pw->serviced_sw_if_index_bitmap);
3298 vlib_cli_output (vm, " pending clear intfc bitmap : %U",
3300 pw->pending_clear_sw_if_index_bitmap);
3301 vlib_cli_output (vm, " clear in progress: %u", pw->clear_in_process);
3302 vlib_cli_output (vm, " interrupt is pending: %d",
3303 pw->interrupt_is_pending);
3304 vlib_cli_output (vm, " interrupt is needed: %d",
3305 pw->interrupt_is_needed);
3306 vlib_cli_output (vm, " interrupt is unwanted: %d",
3307 pw->interrupt_is_unwanted);
3308 vlib_cli_output (vm, " interrupt generation: %d",
3309 pw->interrupt_generation);
3310 vlib_cli_output (vm, " received session change requests: %d",
3311 pw->rcvd_session_change_requests);
3312 vlib_cli_output (vm, " sent session change requests: %d",
3313 pw->sent_session_change_requests);
3315 vlib_cli_output (vm, "\n\nConn cleaner thread counters:");
3316 #define _(cnt, desc) vlib_cli_output(vm, " %20lu: %s", am->cnt, desc);
3317 foreach_fa_cleaner_counter;
3319 vlib_cli_output (vm, "Interrupt generation: %d",
3320 am->fa_interrupt_generation);
3321 vlib_cli_output (vm,
3322 "Sessions per interval: min %lu max %lu increment: %f ms current: %f ms",
3323 am->fa_min_deleted_sessions_per_interval,
3324 am->fa_max_deleted_sessions_per_interval,
3325 am->fa_cleaner_wait_time_increment * 1000.0,
3326 ((f64) am->fa_current_cleaner_timer_wait_interval) *
3327 1000.0 / (f64) vm->clib_time.clocks_per_second);
3328 vlib_cli_output (vm, "Reclassify sessions: %d", am->reclassify_sessions);
3331 static clib_error_t *
3332 acl_show_aclplugin_sessions_fn (vlib_main_t * vm,
3333 unformat_input_t * input,
3334 vlib_cli_command_t * cmd)
3336 clib_error_t *error = 0;
3337 acl_main_t *am = &acl_main;
3339 u32 show_bihash_verbose = 0;
3340 u32 show_session_thread_id = ~0;
3341 u32 show_session_session_index = ~0;
3342 (void) unformat (input, "thread %u index %u", &show_session_thread_id,
3343 &show_session_session_index);
3344 (void) unformat (input, "verbose %u", &show_bihash_verbose);
3346 acl_plugin_show_sessions (am, show_session_thread_id,
3347 show_session_session_index);
3348 show_fa_sessions_hash (vm, show_bihash_verbose);
3352 static clib_error_t *
3353 acl_show_aclplugin_tables_fn (vlib_main_t * vm,
3354 unformat_input_t * input,
3355 vlib_cli_command_t * cmd)
3357 clib_error_t *error = 0;
3361 int show_acl_hash_info = 0;
3362 int show_applied_info = 0;
3363 int show_mask_type = 0;
3364 int show_bihash = 0;
3365 u32 show_bihash_verbose = 0;
3367 if (unformat (input, "acl"))
3369 show_acl_hash_info = 1;
3370 /* mask-type is handy to see as well right there */
3372 unformat (input, "index %u", &acl_index);
3374 else if (unformat (input, "applied"))
3376 show_applied_info = 1;
3377 unformat (input, "lc_index %u", &lc_index);
3379 else if (unformat (input, "mask"))
3383 else if (unformat (input, "hash"))
3386 unformat (input, "verbose %u", &show_bihash_verbose);
3390 (show_mask_type || show_acl_hash_info || show_applied_info
3393 /* if no qualifiers specified, show all */
3395 show_acl_hash_info = 1;
3396 show_applied_info = 1;
3400 acl_plugin_show_tables_mask_type ();
3401 if (show_acl_hash_info)
3402 acl_plugin_show_tables_acl_hash_info (acl_index);
3403 if (show_applied_info)
3404 acl_plugin_show_tables_applied_info (lc_index);
3406 acl_plugin_show_tables_bihash (show_bihash_verbose);
3411 static clib_error_t *
3412 acl_clear_aclplugin_fn (vlib_main_t * vm,
3413 unformat_input_t * input, vlib_cli_command_t * cmd)
3415 clib_error_t *error = 0;
3416 acl_main_t *am = &acl_main;
3417 vlib_process_signal_event (am->vlib_main, am->fa_cleaner_node_index,
3418 ACL_FA_CLEANER_DELETE_BY_SW_IF_INDEX, ~0);
3423 VLIB_CLI_COMMAND (aclplugin_set_command, static) = {
3424 .path = "set acl-plugin",
3425 .short_help = "set acl-plugin session timeout {{udp idle}|tcp {idle|transient}} <seconds>",
3426 .function = acl_set_aclplugin_fn,
3429 VLIB_CLI_COMMAND (aclplugin_show_acl_command, static) = {
3430 .path = "show acl-plugin acl",
3431 .short_help = "show acl-plugin acl [index N]",
3432 .function = acl_show_aclplugin_acl_fn,
3435 VLIB_CLI_COMMAND (aclplugin_show_lookup_context_command, static) = {
3436 .path = "show acl-plugin lookup context",
3437 .short_help = "show acl-plugin lookup context [index N]",
3438 .function = acl_show_aclplugin_lookup_context_fn,
3441 VLIB_CLI_COMMAND (aclplugin_show_lookup_user_command, static) = {
3442 .path = "show acl-plugin lookup user",
3443 .short_help = "show acl-plugin lookup user [index N]",
3444 .function = acl_show_aclplugin_lookup_user_fn,
3447 VLIB_CLI_COMMAND (aclplugin_show_decode_5tuple_command, static) = {
3448 .path = "show acl-plugin decode 5tuple",
3449 .short_help = "show acl-plugin decode 5tuple XXXX XXXX XXXX XXXX XXXX XXXX",
3450 .function = acl_show_aclplugin_decode_5tuple_fn,
3453 VLIB_CLI_COMMAND (aclplugin_show_interface_command, static) = {
3454 .path = "show acl-plugin interface",
3455 .short_help = "show acl-plugin interface [sw_if_index N] [acl]",
3456 .function = acl_show_aclplugin_interface_fn,
3459 VLIB_CLI_COMMAND (aclplugin_show_memory_command, static) = {
3460 .path = "show acl-plugin memory",
3461 .short_help = "show acl-plugin memory",
3462 .function = acl_show_aclplugin_memory_fn,
3465 VLIB_CLI_COMMAND (aclplugin_show_sessions_command, static) = {
3466 .path = "show acl-plugin sessions",
3467 .short_help = "show acl-plugin sessions",
3468 .function = acl_show_aclplugin_sessions_fn,
3471 VLIB_CLI_COMMAND (aclplugin_show_tables_command, static) = {
3472 .path = "show acl-plugin tables",
3473 .short_help = "show acl-plugin tables [ acl [index N] | applied [ lc_index N ] | mask | hash [verbose N] ]",
3474 .function = acl_show_aclplugin_tables_fn,
3477 VLIB_CLI_COMMAND (aclplugin_show_macip_acl_command, static) = {
3478 .path = "show acl-plugin macip acl",
3479 .short_help = "show acl-plugin macip acl [index N]",
3480 .function = acl_show_aclplugin_macip_acl_fn,
3483 VLIB_CLI_COMMAND (aclplugin_show_macip_interface_command, static) = {
3484 .path = "show acl-plugin macip interface",
3485 .short_help = "show acl-plugin macip interface",
3486 .function = acl_show_aclplugin_macip_interface_fn,
3489 VLIB_CLI_COMMAND (aclplugin_clear_command, static) = {
3490 .path = "clear acl-plugin sessions",
3491 .short_help = "clear acl-plugin sessions",
3492 .function = acl_clear_aclplugin_fn,
3496 static clib_error_t *
3497 acl_plugin_config (vlib_main_t * vm, unformat_input_t * input)
3499 acl_main_t *am = &acl_main;
3500 u32 conn_table_hash_buckets;
3501 uword conn_table_hash_memory_size;
3502 u32 conn_table_max_entries;
3503 uword main_heap_size;
3504 uword hash_heap_size;
3505 u32 hash_lookup_hash_buckets;
3506 uword hash_lookup_hash_memory;
3507 u32 reclassify_sessions;
3508 u32 use_tuple_merge;
3509 u32 tuple_merge_split_threshold;
3511 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
3514 (input, "connection hash buckets %d", &conn_table_hash_buckets))
3515 am->fa_conn_table_hash_num_buckets = conn_table_hash_buckets;
3518 (input, "connection hash memory %U", unformat_memory_size,
3519 &conn_table_hash_memory_size))
3520 am->fa_conn_table_hash_memory_size = conn_table_hash_memory_size;
3521 else if (unformat (input, "connection count max %d",
3522 &conn_table_max_entries))
3523 am->fa_conn_table_max_entries = conn_table_max_entries;
3526 (input, "main heap size %U", unformat_memory_size,
3528 am->acl_mheap_size = main_heap_size;
3531 (input, "hash lookup heap size %U", unformat_memory_size,
3533 am->hash_lookup_mheap_size = hash_heap_size;
3534 else if (unformat (input, "hash lookup hash buckets %d",
3535 &hash_lookup_hash_buckets))
3536 am->hash_lookup_hash_buckets = hash_lookup_hash_buckets;
3539 (input, "hash lookup hash memory %U", unformat_memory_size,
3540 &hash_lookup_hash_memory))
3541 am->hash_lookup_hash_memory = hash_lookup_hash_memory;
3542 else if (unformat (input, "use tuple merge %d", &use_tuple_merge))
3543 am->use_tuple_merge = use_tuple_merge;
3546 (input, "tuple merge split threshold %d",
3547 &tuple_merge_split_threshold))
3548 am->tuple_merge_split_threshold = tuple_merge_split_threshold;
3550 else if (unformat (input, "reclassify sessions %d",
3551 &reclassify_sessions))
3552 am->reclassify_sessions = reclassify_sessions;
3555 return clib_error_return (0, "unknown input '%U'",
3556 format_unformat_error, input);
3561 VLIB_CONFIG_FUNCTION (acl_plugin_config, "acl-plugin");
3563 static clib_error_t *
3564 acl_init (vlib_main_t * vm)
3566 acl_main_t *am = &acl_main;
3567 clib_error_t *error = 0;
3568 clib_memset (am, 0, sizeof (*am));
3570 am->vnet_main = vnet_get_main ();
3571 am->log_default = vlib_log_register_class ("acl_plugin", 0);
3573 u8 *name = format (0, "acl_%08x%c", api_version, 0);
3575 /* Ask for a correctly-sized block of API message decode slots */
3576 am->msg_id_base = vl_msg_api_get_msg_ids ((char *) name,
3577 VL_MSG_FIRST_AVAILABLE);
3579 error = acl_plugin_api_hookup (vm);
3581 /* Add our API messages to the global name_crc hash table */
3582 setup_message_id_table (am, &api_main);
3589 error = acl_plugin_exports_init (&acl_plugin);
3594 am->acl_mheap_size = 0; /* auto size when initializing */
3595 am->hash_lookup_mheap_size = ACL_PLUGIN_HASH_LOOKUP_HEAP_SIZE;
3597 am->hash_lookup_hash_buckets = ACL_PLUGIN_HASH_LOOKUP_HASH_BUCKETS;
3598 am->hash_lookup_hash_memory = ACL_PLUGIN_HASH_LOOKUP_HASH_MEMORY;
3600 am->session_timeout_sec[ACL_TIMEOUT_TCP_TRANSIENT] =
3601 TCP_SESSION_TRANSIENT_TIMEOUT_SEC;
3602 am->session_timeout_sec[ACL_TIMEOUT_TCP_IDLE] =
3603 TCP_SESSION_IDLE_TIMEOUT_SEC;
3604 am->session_timeout_sec[ACL_TIMEOUT_UDP_IDLE] =
3605 UDP_SESSION_IDLE_TIMEOUT_SEC;
3607 am->fa_conn_table_hash_num_buckets =
3608 ACL_FA_CONN_TABLE_DEFAULT_HASH_NUM_BUCKETS;
3609 am->fa_conn_table_hash_memory_size =
3610 ACL_FA_CONN_TABLE_DEFAULT_HASH_MEMORY_SIZE;
3611 am->fa_conn_table_max_entries = ACL_FA_CONN_TABLE_DEFAULT_MAX_ENTRIES;
3612 am->reclassify_sessions = 0;
3613 vlib_thread_main_t *tm = vlib_get_thread_main ();
3615 am->fa_min_deleted_sessions_per_interval =
3616 ACL_FA_DEFAULT_MIN_DELETED_SESSIONS_PER_INTERVAL;
3617 am->fa_max_deleted_sessions_per_interval =
3618 ACL_FA_DEFAULT_MAX_DELETED_SESSIONS_PER_INTERVAL;
3619 am->fa_cleaner_wait_time_increment =
3620 ACL_FA_DEFAULT_CLEANER_WAIT_TIME_INCREMENT;
3622 vec_validate (am->per_worker_data, tm->n_vlib_mains - 1);
3625 for (wk = 0; wk < vec_len (am->per_worker_data); wk++)
3627 acl_fa_per_worker_data_t *pw = &am->per_worker_data[wk];
3628 if (tm->n_vlib_mains > 1)
3630 clib_spinlock_init (&pw->pending_session_change_request_lock);
3632 vec_validate (pw->expired,
3634 am->fa_max_deleted_sessions_per_interval);
3635 _vec_len (pw->expired) = 0;
3636 vec_validate_init_empty (pw->fa_conn_list_head, ACL_N_TIMEOUTS - 1,
3637 FA_SESSION_BOGUS_INDEX);
3638 vec_validate_init_empty (pw->fa_conn_list_tail, ACL_N_TIMEOUTS - 1,
3639 FA_SESSION_BOGUS_INDEX);
3640 vec_validate_init_empty (pw->fa_conn_list_head_expiry_time,
3641 ACL_N_TIMEOUTS - 1, ~0ULL);
3645 am->fa_cleaner_cnt_delete_by_sw_index = 0;
3646 am->fa_cleaner_cnt_delete_by_sw_index_ok = 0;
3647 am->fa_cleaner_cnt_unknown_event = 0;
3648 am->fa_cleaner_cnt_timer_restarted = 0;
3649 am->fa_cleaner_cnt_wait_with_timeout = 0;
3652 #define _(N, v, s) am->fa_ipv6_known_eh_bitmap = clib_bitmap_set(am->fa_ipv6_known_eh_bitmap, v, 1);
3655 am->l4_match_nonfirst_fragment = 1;
3657 /* use the new fancy hash-based matching */
3658 am->use_hash_acl_matching = 1;
3659 /* use tuplemerge by default */
3660 am->use_tuple_merge = 1;
3661 /* Set the default threshold */
3662 am->tuple_merge_split_threshold = TM_SPLIT_THRESHOLD;
3664 am->interface_acl_user_id = ~0; /* defer till the first use */
3669 VLIB_INIT_FUNCTION (acl_init);
3673 * fd.io coding-style-patch-verification: ON
3676 * eval: (c-set-style "gnu")