2 * Copyright (c) 2016 Cisco and/or its affiliates.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at:
7 * http://www.apache.org/licenses/LICENSE-2.0
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
18 #include <vnet/vnet.h>
19 #include <vnet/plugin/plugin.h>
22 #include <vnet/l2/l2_classify.h>
23 #include <vnet/l2/l2_in_out_feat_arc.h>
24 #include <vnet/classify/in_out_acl.h>
25 #include <vpp/app/version.h>
27 #include <vlibapi/api.h>
28 #include <vlibmemory/api.h>
30 /* define message IDs */
31 #include <acl/acl_msg_enum.h>
33 /* define message structures */
35 #include <acl/acl_all_api_h.h>
38 /* define generated endian-swappers */
40 #include <acl/acl_all_api_h.h>
43 /* instantiate all the print functions we know about */
44 #define vl_print(handle, ...) vlib_cli_output (handle, __VA_ARGS__)
46 #include <acl/acl_all_api_h.h>
49 /* Get the API version number */
50 #define vl_api_version(n,v) static u32 api_version=(v);
51 #include <acl/acl_all_api_h.h>
55 #include "public_inlines.h"
59 #define REPLY_MSG_ID_BASE am->msg_id_base
60 #include <vlibapi/api_helper_macros.h>
63 * The code for the bihash, used by the session management.
65 #include <vppinfra/bihash_40_8.h>
66 #include <vppinfra/bihash_template.h>
67 #include <vppinfra/bihash_template.c>
69 /* List of message types that this plugin understands */
71 #define foreach_acl_plugin_api_msg \
72 _(ACL_PLUGIN_GET_VERSION, acl_plugin_get_version) \
73 _(ACL_PLUGIN_CONTROL_PING, acl_plugin_control_ping) \
74 _(ACL_ADD_REPLACE, acl_add_replace) \
76 _(ACL_INTERFACE_ADD_DEL, acl_interface_add_del) \
77 _(ACL_INTERFACE_SET_ACL_LIST, acl_interface_set_acl_list) \
78 _(ACL_DUMP, acl_dump) \
79 _(ACL_INTERFACE_LIST_DUMP, acl_interface_list_dump) \
80 _(MACIP_ACL_ADD, macip_acl_add) \
81 _(MACIP_ACL_ADD_REPLACE, macip_acl_add_replace) \
82 _(MACIP_ACL_DEL, macip_acl_del) \
83 _(MACIP_ACL_INTERFACE_ADD_DEL, macip_acl_interface_add_del) \
84 _(MACIP_ACL_DUMP, macip_acl_dump) \
85 _(MACIP_ACL_INTERFACE_GET, macip_acl_interface_get) \
86 _(MACIP_ACL_INTERFACE_LIST_DUMP, macip_acl_interface_list_dump) \
87 _(ACL_INTERFACE_SET_ETYPE_WHITELIST, acl_interface_set_etype_whitelist) \
88 _(ACL_INTERFACE_ETYPE_WHITELIST_DUMP, acl_interface_etype_whitelist_dump) \
89 _(ACL_PLUGIN_GET_CONN_TABLE_MAX_ENTRIES,acl_plugin_get_conn_table_max_entries) \
90 _(ACL_STATS_INTF_COUNTERS_ENABLE, acl_stats_intf_counters_enable)
94 VLIB_PLUGIN_REGISTER () = {
95 .version = VPP_BUILD_VER,
96 .description = "Access Control Lists (ACL)",
100 /* methods exported from ACL-as-a-service */
101 static acl_plugin_methods_t acl_plugin;
105 format_vec16 (u8 * s, va_list * va)
107 u16 *v = va_arg (*va, u16 *);
108 char *fmt = va_arg (*va, char *);
110 for (i = 0; i < vec_len (v); i++)
113 s = format (s, ", ");
114 s = format (s, fmt, v[i]);
120 acl_set_heap (acl_main_t * am)
122 if (0 == am->acl_mheap)
124 if (0 == am->acl_mheap_size)
126 vlib_thread_main_t *tm = vlib_get_thread_main ();
127 u64 per_worker_slack = 1000000LL;
128 u64 per_worker_size =
130 ((u64) am->fa_conn_table_max_entries) * sizeof (fa_session_t);
131 u64 per_worker_size_with_slack = per_worker_slack + per_worker_size;
132 u64 main_slack = 2000000LL;
133 u64 bihash_size = (u64) am->fa_conn_table_hash_memory_size;
136 per_worker_size_with_slack * tm->n_vlib_mains + bihash_size +
139 u64 max_possible = ((uword) ~ 0);
140 if (am->acl_mheap_size > max_possible)
142 clib_warning ("ACL heap size requested: %lld, max possible %lld",
143 am->acl_mheap_size, max_possible);
146 am->acl_mheap = mheap_alloc_with_lock (0 /* use VM */ ,
149 if (0 == am->acl_mheap)
152 ("ACL plugin failed to allocate main heap of %U bytes, abort",
153 format_memory_size, am->acl_mheap_size);
156 void *oldheap = clib_mem_set_heap (am->acl_mheap);
161 acl_plugin_set_heap ()
163 acl_main_t *am = &acl_main;
164 return acl_set_heap (am);
168 acl_plugin_acl_set_validate_heap (acl_main_t * am, int on)
170 clib_mem_set_heap (acl_set_heap (am));
171 #if USE_DLMALLOC == 0
172 mheap_t *h = mheap_header (am->acl_mheap);
175 h->flags |= MHEAP_FLAG_VALIDATE;
176 h->flags &= ~MHEAP_FLAG_SMALL_OBJECT_CACHE;
181 h->flags &= ~MHEAP_FLAG_VALIDATE;
182 h->flags |= MHEAP_FLAG_SMALL_OBJECT_CACHE;
188 acl_plugin_acl_set_trace_heap (acl_main_t * am, int on)
190 clib_mem_set_heap (acl_set_heap (am));
191 #if USE_DLMALLOC == 0
192 mheap_t *h = mheap_header (am->acl_mheap);
195 h->flags |= MHEAP_FLAG_TRACE;
199 h->flags &= ~MHEAP_FLAG_TRACE;
205 vl_api_acl_plugin_get_version_t_handler (vl_api_acl_plugin_get_version_t * mp)
207 acl_main_t *am = &acl_main;
208 vl_api_acl_plugin_get_version_reply_t *rmp;
209 int msg_size = sizeof (*rmp);
210 vl_api_registration_t *reg;
212 reg = vl_api_client_index_to_registration (mp->client_index);
216 rmp = vl_msg_api_alloc (msg_size);
217 clib_memset (rmp, 0, msg_size);
219 ntohs (VL_API_ACL_PLUGIN_GET_VERSION_REPLY + am->msg_id_base);
220 rmp->context = mp->context;
221 rmp->major = htonl (ACL_PLUGIN_VERSION_MAJOR);
222 rmp->minor = htonl (ACL_PLUGIN_VERSION_MINOR);
224 vl_api_send_msg (reg, (u8 *) rmp);
228 vl_api_acl_plugin_control_ping_t_handler (vl_api_acl_plugin_control_ping_t *
231 vl_api_acl_plugin_control_ping_reply_t *rmp;
232 acl_main_t *am = &acl_main;
236 REPLY_MACRO2 (VL_API_ACL_PLUGIN_CONTROL_PING_REPLY,
238 rmp->vpe_pid = ntohl (getpid ());
244 print_clib_warning_and_reset (vlib_main_t * vm, u8 * out0)
246 clib_warning ("%v", out0);
247 vec_reset_length (out0);
251 print_cli_and_reset (vlib_main_t * vm, u8 * out0)
253 vlib_cli_output (vm, "%v", out0);
254 vec_reset_length (out0);
257 typedef void (*acl_vector_print_func_t) (vlib_main_t * vm, u8 * out0);
260 acl_print_acl_x (acl_vector_print_func_t vpr, vlib_main_t * vm,
261 acl_main_t * am, int acl_index)
264 acl_rule_t *acl_rules = am->acls[acl_index].rules;
265 u8 *out0 = format (0, "acl-index %u count %u tag {%s}\n", acl_index,
266 vec_len (acl_rules), am->acls[acl_index].tag);
269 for (j = 0; j < vec_len (acl_rules); j++)
272 out0 = format (out0, " %9d: %s ", j, r->is_ipv6 ? "ipv6" : "ipv4");
273 out0 = format_acl_action (out0, r->is_permit);
274 out0 = format (out0, " src %U/%d", format_ip46_address, &r->src,
275 r->is_ipv6 ? IP46_TYPE_IP6 : IP46_TYPE_IP4,
278 format (out0, " dst %U/%d", format_ip46_address, &r->dst,
279 r->is_ipv6 ? IP46_TYPE_IP6 : IP46_TYPE_IP4, r->dst_prefixlen);
280 out0 = format (out0, " proto %d", r->proto);
281 out0 = format (out0, " sport %d", r->src_port_or_type_first);
282 if (r->src_port_or_type_first != r->src_port_or_type_last)
284 out0 = format (out0, "-%d", r->src_port_or_type_last);
286 out0 = format (out0, " dport %d", r->dst_port_or_code_first);
287 if (r->dst_port_or_code_first != r->dst_port_or_code_last)
289 out0 = format (out0, "-%d", r->dst_port_or_code_last);
291 if (r->tcp_flags_mask || r->tcp_flags_value)
294 format (out0, " tcpflags %d mask %d", r->tcp_flags_value,
297 out0 = format (out0, "\n");
303 vl_api_acl_plugin_get_conn_table_max_entries_t_handler
304 (vl_api_acl_plugin_get_conn_table_max_entries_t * mp)
306 acl_main_t *am = &acl_main;
307 vl_api_acl_plugin_get_conn_table_max_entries_reply_t *rmp;
308 int msg_size = sizeof (*rmp);
309 vl_api_registration_t *rp;
311 rp = vl_api_client_index_to_registration (mp->client_index);
315 rmp = vl_msg_api_alloc (msg_size);
316 memset (rmp, 0, msg_size);
318 ntohs (VL_API_ACL_PLUGIN_GET_CONN_TABLE_MAX_ENTRIES_REPLY +
320 rmp->context = mp->context;
321 rmp->conn_table_max_entries = __bswap_64 (am->fa_conn_table_max_entries);
323 vl_api_send_msg (rp, (u8 *) rmp);
327 acl_print_acl (vlib_main_t * vm, acl_main_t * am, int acl_index)
329 acl_print_acl_x (print_cli_and_reset, vm, am, acl_index);
333 warning_acl_print_acl (vlib_main_t * vm, acl_main_t * am, int acl_index)
335 acl_print_acl_x (print_clib_warning_and_reset, vm, am, acl_index);
339 increment_policy_epoch (acl_main_t * am, u32 sw_if_index, int is_input)
342 u32 **ppolicy_epoch_by_swi =
343 is_input ? &am->input_policy_epoch_by_sw_if_index :
344 &am->output_policy_epoch_by_sw_if_index;
345 vec_validate (*ppolicy_epoch_by_swi, sw_if_index);
347 u32 *p_epoch = vec_elt_at_index ((*ppolicy_epoch_by_swi), sw_if_index);
349 ((1 + *p_epoch) & FA_POLICY_EPOCH_MASK) +
350 (is_input * FA_POLICY_EPOCH_IS_INPUT);
354 try_increment_acl_policy_epoch (acl_main_t * am, u32 acl_num, int is_input)
356 u32 ***p_swi_vec_by_acl = is_input ? &am->input_sw_if_index_vec_by_acl
357 : &am->output_sw_if_index_vec_by_acl;
358 if (acl_num < vec_len (*p_swi_vec_by_acl))
361 vec_foreach (p_swi, (*p_swi_vec_by_acl)[acl_num])
363 increment_policy_epoch (am, *p_swi, is_input);
370 policy_notify_acl_change (acl_main_t * am, u32 acl_num)
372 try_increment_acl_policy_epoch (am, acl_num, 0);
373 try_increment_acl_policy_epoch (am, acl_num, 1);
378 validate_and_reset_acl_counters (acl_main_t * am, u32 acl_index)
381 /* counters are set as vectors [acl#] pointing to vectors of [acl rule] */
382 acl_plugin_counter_lock (am);
384 int old_len = vec_len (am->combined_acl_counters);
386 vec_validate (am->combined_acl_counters, acl_index);
388 for (i = old_len; i < vec_len (am->combined_acl_counters); i++)
390 am->combined_acl_counters[i].name = 0;
391 /* filled in once only */
392 am->combined_acl_counters[i].stat_segment_name = (void *)
393 format (0, "/acl/%d/matches%c", i, 0);
394 clib_warning ("add stats segment: %s",
395 am->combined_acl_counters[i].stat_segment_name);
396 i32 rule_count = vec_len (am->acls[acl_index].rules);
397 /* Validate one extra so we always have at least one counter for an ACL */
398 vlib_validate_combined_counter (&am->combined_acl_counters[i],
400 vlib_zero_combined_counter (&am->combined_acl_counters[i], rule_count);
402 acl_plugin_counter_unlock (am);
406 acl_add_list (u32 count, vl_api_acl_rule_t rules[],
407 u32 * acl_list_index, u8 * tag)
409 acl_main_t *am = &acl_main;
412 acl_rule_t *acl_new_rules = 0;
415 if (am->trace_acl > 255)
416 clib_warning ("API dbg: acl_add_list index %d tag %s", *acl_list_index,
419 if (*acl_list_index != ~0)
421 /* They supplied some number, let's see if this ACL exists */
422 if (pool_is_free_index (am->acls, *acl_list_index))
424 /* tried to replace a non-existent ACL, no point doing anything */
426 ("acl-plugin-error: Trying to replace nonexistent ACL %d (tag %s)",
427 *acl_list_index, tag);
428 return VNET_API_ERROR_NO_SUCH_ENTRY;
434 ("acl-plugin-warning: supplied no rules for ACL %d (tag %s)",
435 *acl_list_index, tag);
438 void *oldheap = acl_set_heap (am);
440 /* Create and populate the rules */
442 vec_validate (acl_new_rules, count - 1);
444 for (i = 0; i < count; i++)
446 r = vec_elt_at_index (acl_new_rules, i);
447 clib_memset (r, 0, sizeof (*r));
448 r->is_permit = rules[i].is_permit;
449 r->is_ipv6 = rules[i].is_ipv6;
452 memcpy (&r->src, rules[i].src_ip_addr, sizeof (r->src));
453 memcpy (&r->dst, rules[i].dst_ip_addr, sizeof (r->dst));
457 memcpy (&r->src.ip4, rules[i].src_ip_addr, sizeof (r->src.ip4));
458 memcpy (&r->dst.ip4, rules[i].dst_ip_addr, sizeof (r->dst.ip4));
460 r->src_prefixlen = rules[i].src_ip_prefix_len;
461 r->dst_prefixlen = rules[i].dst_ip_prefix_len;
462 r->proto = rules[i].proto;
463 r->src_port_or_type_first = ntohs (rules[i].srcport_or_icmptype_first);
464 r->src_port_or_type_last = ntohs (rules[i].srcport_or_icmptype_last);
465 r->dst_port_or_code_first = ntohs (rules[i].dstport_or_icmpcode_first);
466 r->dst_port_or_code_last = ntohs (rules[i].dstport_or_icmpcode_last);
467 r->tcp_flags_value = rules[i].tcp_flags_value;
468 r->tcp_flags_mask = rules[i].tcp_flags_mask;
471 if (~0 == *acl_list_index)
474 pool_get_aligned (am->acls, a, CLIB_CACHE_LINE_BYTES);
475 clib_memset (a, 0, sizeof (*a));
476 /* Will return the newly allocated ACL index */
477 *acl_list_index = a - am->acls;
481 a = am->acls + *acl_list_index;
482 /* Get rid of the old rules */
486 a->rules = acl_new_rules;
487 memcpy (a->tag, tag, sizeof (a->tag));
488 if (am->trace_acl > 255)
489 warning_acl_print_acl (am->vlib_main, am, *acl_list_index);
490 if (am->reclassify_sessions)
492 /* a change in an ACLs if they are applied may mean a new policy epoch */
493 policy_notify_acl_change (am, *acl_list_index);
496 /* stats segment expects global heap, so restore it temporarily */
497 clib_mem_set_heap (oldheap);
498 validate_and_reset_acl_counters (am, *acl_list_index);
499 oldheap = acl_set_heap (am);
501 /* notify the lookup contexts about the ACL changes */
502 acl_plugin_lookup_context_notify_acl_change (*acl_list_index);
503 clib_mem_set_heap (oldheap);
508 acl_is_used_by (u32 acl_index, u32 ** foo_index_vec_by_acl)
510 if (acl_index < vec_len (foo_index_vec_by_acl))
512 if (vec_len (vec_elt (foo_index_vec_by_acl, acl_index)) > 0)
514 /* ACL is applied somewhere. */
522 acl_del_list (u32 acl_list_index)
524 acl_main_t *am = &acl_main;
526 if (pool_is_free_index (am->acls, acl_list_index))
528 return VNET_API_ERROR_NO_SUCH_ENTRY;
530 if (acl_is_used_by (acl_list_index, am->input_sw_if_index_vec_by_acl))
531 return VNET_API_ERROR_ACL_IN_USE_INBOUND;
532 if (acl_is_used_by (acl_list_index, am->output_sw_if_index_vec_by_acl))
533 return VNET_API_ERROR_ACL_IN_USE_OUTBOUND;
534 /* lookup contexts cover other cases, not just inbound/outbound, so check that */
535 if (acl_is_used_by (acl_list_index, am->lc_index_vec_by_acl))
536 return VNET_API_ERROR_ACL_IN_USE_BY_LOOKUP_CONTEXT;
538 void *oldheap = acl_set_heap (am);
540 /* now we can delete the ACL itself */
541 a = pool_elt_at_index (am->acls, acl_list_index);
544 pool_put (am->acls, a);
545 /* acl_list_index is now free, notify the lookup contexts */
546 acl_plugin_lookup_context_notify_acl_change (acl_list_index);
547 clib_mem_set_heap (oldheap);
552 count_skip (u8 * p, u32 size)
554 u64 *p64 = (u64 *) p;
555 /* Be tolerant to null pointer */
559 while ((0ULL == *p64) && ((u8 *) p64 - p) < size)
563 return (p64 - (u64 *) p) / 2;
567 acl_classify_add_del_table_small (vnet_classify_main_t * cm, u8 * mask,
568 u32 mask_len, u32 next_table_index,
569 u32 miss_next_index, u32 * table_index,
573 u32 memory_size = 2 << 22;
574 u32 skip = count_skip (mask, mask_len);
575 u32 match = (mask_len / 16) - skip;
576 u8 *skip_mask_ptr = mask + 16 * skip;
577 u32 current_data_flag = 0;
578 int current_data_offset = 0;
583 void *oldheap = clib_mem_set_heap (cm->vlib_main->heap_base);
584 int ret = vnet_classify_add_del_table (cm, skip_mask_ptr, nbuckets,
585 memory_size, skip, match,
586 next_table_index, miss_next_index,
587 table_index, current_data_flag,
588 current_data_offset, is_add,
589 1 /* delete_chain */ );
590 clib_mem_set_heap (oldheap);
595 intf_has_etype_whitelist (acl_main_t * am, u32 sw_if_index, int is_input)
598 ? am->input_etype_whitelist_by_sw_if_index
599 : am->output_etype_whitelist_by_sw_if_index;
600 u16 *whitelist = (vec_len (v) > sw_if_index) ? vec_elt (v, sw_if_index) : 0;
601 return vec_len (whitelist) > 0;
605 acl_clear_sessions (acl_main_t * am, u32 sw_if_index)
607 void *oldheap = clib_mem_set_heap (am->vlib_main->heap_base);
608 vlib_process_signal_event (am->vlib_main, am->fa_cleaner_node_index,
609 ACL_FA_CLEANER_DELETE_BY_SW_IF_INDEX,
611 clib_mem_set_heap (oldheap);
616 acl_interface_in_enable_disable (acl_main_t * am, u32 sw_if_index,
622 if (pool_is_free_index (am->vnet_main->interface_main.sw_interfaces,
624 return VNET_API_ERROR_INVALID_SW_IF_INDEX;
626 if (clib_bitmap_get (am->in_acl_on_sw_if_index, sw_if_index) ==
630 acl_fa_enable_disable (sw_if_index, 1, enable_disable);
632 void *oldheap = clib_mem_set_heap (am->vlib_main->heap_base);
633 rv = vnet_l2_feature_enable_disable ("l2-input-ip4", "acl-plugin-in-ip4-l2",
634 sw_if_index, enable_disable, 0, 0);
636 clib_error ("Could not enable on input");
637 rv = vnet_l2_feature_enable_disable ("l2-input-ip6", "acl-plugin-in-ip6-l2",
638 sw_if_index, enable_disable, 0, 0);
640 clib_error ("Could not enable on input");
642 if (intf_has_etype_whitelist (am, sw_if_index, 1))
643 vnet_l2_feature_enable_disable ("l2-input-nonip",
644 "acl-plugin-in-nonip-l2", sw_if_index,
645 enable_disable, 0, 0);
647 clib_mem_set_heap (oldheap);
649 am->in_acl_on_sw_if_index =
650 clib_bitmap_set (am->in_acl_on_sw_if_index, sw_if_index, enable_disable);
656 acl_interface_out_enable_disable (acl_main_t * am, u32 sw_if_index,
662 if (pool_is_free_index (am->vnet_main->interface_main.sw_interfaces,
664 return VNET_API_ERROR_INVALID_SW_IF_INDEX;
666 if (clib_bitmap_get (am->out_acl_on_sw_if_index, sw_if_index) ==
670 acl_fa_enable_disable (sw_if_index, 0, enable_disable);
672 void *oldheap = clib_mem_set_heap (am->vlib_main->heap_base);
674 vnet_l2_feature_enable_disable ("l2-output-ip4", "acl-plugin-out-ip4-l2",
675 sw_if_index, enable_disable, 0, 0);
677 clib_error ("Could not enable on output");
679 vnet_l2_feature_enable_disable ("l2-output-ip6", "acl-plugin-out-ip6-l2",
680 sw_if_index, enable_disable, 0, 0);
682 clib_error ("Could not enable on output");
683 if (intf_has_etype_whitelist (am, sw_if_index, 0))
684 vnet_l2_feature_enable_disable ("l2-output-nonip",
685 "acl-plugin-out-nonip-l2", sw_if_index,
686 enable_disable, 0, 0);
689 clib_mem_set_heap (oldheap);
691 am->out_acl_on_sw_if_index =
692 clib_bitmap_set (am->out_acl_on_sw_if_index, sw_if_index, enable_disable);
698 acl_stats_intf_counters_enable_disable (acl_main_t * am, int enable_disable)
702 am->interface_acl_counters_enabled = enable_disable;
708 acl_interface_inout_enable_disable (acl_main_t * am, u32 sw_if_index,
709 int is_input, int enable_disable)
712 return acl_interface_in_enable_disable (am, sw_if_index, enable_disable);
714 return acl_interface_out_enable_disable (am, sw_if_index, enable_disable);
718 acl_is_not_defined (acl_main_t * am, u32 acl_list_index)
720 return (pool_is_free_index (am->acls, acl_list_index));
724 acl_interface_set_inout_acl_list (acl_main_t * am, u32 sw_if_index,
725 u8 is_input, u32 * vec_acl_list_index,
726 int *may_clear_sessions)
729 uword *seen_acl_bitmap = 0;
730 uword *old_seen_acl_bitmap = 0;
731 uword *change_acl_bitmap = 0;
736 if (am->trace_acl > 255)
738 ("API dbg: acl_interface_set_inout_acl_list: sw_if_index %d is_input %d acl_vec: [%U]",
739 sw_if_index, is_input, format_vec32, vec_acl_list_index, "%d");
741 vec_foreach (pacln, vec_acl_list_index)
743 if (acl_is_not_defined (am, *pacln))
745 /* ACL is not defined. Can not apply */
746 clib_warning ("ERROR: ACL %d not defined", *pacln);
747 rv = VNET_API_ERROR_NO_SUCH_ENTRY;
750 if (clib_bitmap_get (seen_acl_bitmap, *pacln))
752 /* ACL being applied twice within the list. error. */
753 clib_warning ("ERROR: ACL %d being applied twice", *pacln);
754 rv = VNET_API_ERROR_ENTRY_ALREADY_EXISTS;
757 seen_acl_bitmap = clib_bitmap_set (seen_acl_bitmap, *pacln, 1);
761 u32 **pinout_lc_index_by_sw_if_index =
763 input_lc_index_by_sw_if_index : &am->output_lc_index_by_sw_if_index;
765 u32 ***pinout_acl_vec_by_sw_if_index =
767 input_acl_vec_by_sw_if_index : &am->output_acl_vec_by_sw_if_index;
769 u32 ***pinout_sw_if_index_vec_by_acl =
771 input_sw_if_index_vec_by_acl : &am->output_sw_if_index_vec_by_acl;
773 vec_validate ((*pinout_acl_vec_by_sw_if_index), sw_if_index);
775 clib_bitmap_validate (old_seen_acl_bitmap, 1);
777 vec_foreach (pacln, (*pinout_acl_vec_by_sw_if_index)[sw_if_index])
779 old_seen_acl_bitmap = clib_bitmap_set (old_seen_acl_bitmap, *pacln, 1);
782 clib_bitmap_dup_xor (old_seen_acl_bitmap, seen_acl_bitmap);
784 if (am->trace_acl > 255)
785 clib_warning ("bitmaps: old seen %U new seen %U changed %U",
786 format_bitmap_hex, old_seen_acl_bitmap, format_bitmap_hex,
787 seen_acl_bitmap, format_bitmap_hex, change_acl_bitmap);
790 clib_bitmap_foreach(acln, change_acl_bitmap, ({
791 if (clib_bitmap_get(old_seen_acl_bitmap, acln)) {
792 /* ACL is being removed. */
793 if (acln < vec_len((*pinout_sw_if_index_vec_by_acl))) {
794 int index = vec_search((*pinout_sw_if_index_vec_by_acl)[acln], sw_if_index);
795 vec_del1((*pinout_sw_if_index_vec_by_acl)[acln], index);
798 /* ACL is being added. */
799 vec_validate((*pinout_sw_if_index_vec_by_acl), acln);
800 vec_add1((*pinout_sw_if_index_vec_by_acl)[acln], sw_if_index);
805 vec_free ((*pinout_acl_vec_by_sw_if_index)[sw_if_index]);
806 (*pinout_acl_vec_by_sw_if_index)[sw_if_index] =
807 vec_dup (vec_acl_list_index);
809 if (am->reclassify_sessions)
811 /* re-applying ACLs means a new policy epoch */
812 increment_policy_epoch (am, sw_if_index, is_input);
816 /* if no commonalities between the ACL# - then we should definitely clear the sessions */
817 if (may_clear_sessions && *may_clear_sessions
818 && !clib_bitmap_is_zero (change_acl_bitmap))
820 acl_clear_sessions (am, sw_if_index);
821 *may_clear_sessions = 0;
826 * prepare or delete the lookup context if necessary, and if context exists, set ACL list
828 vec_validate_init_empty ((*pinout_lc_index_by_sw_if_index), sw_if_index,
830 if (vec_len (vec_acl_list_index) > 0)
832 u32 lc_index = (*pinout_lc_index_by_sw_if_index)[sw_if_index];
836 acl_plugin.get_lookup_context_index (am->interface_acl_user_id,
837 sw_if_index, is_input);
838 (*pinout_lc_index_by_sw_if_index)[sw_if_index] = lc_index;
840 acl_plugin.set_acl_vec_for_context (lc_index, vec_acl_list_index);
844 if (~0 != (*pinout_lc_index_by_sw_if_index)[sw_if_index])
846 acl_plugin.put_lookup_context_index ((*pinout_lc_index_by_sw_if_index)[sw_if_index]);
847 (*pinout_lc_index_by_sw_if_index)[sw_if_index] = ~0;
851 /* ensure ACL processing is enabled/disabled as needed */
852 acl_interface_inout_enable_disable (am, sw_if_index, is_input,
853 vec_len (vec_acl_list_index) > 0);
856 clib_bitmap_free (change_acl_bitmap);
857 clib_bitmap_free (seen_acl_bitmap);
858 clib_bitmap_free (old_seen_acl_bitmap);
863 acl_interface_reset_inout_acls (u32 sw_if_index, u8 is_input,
864 int *may_clear_sessions)
866 acl_main_t *am = &acl_main;
867 void *oldheap = acl_set_heap (am);
868 acl_interface_set_inout_acl_list (am, sw_if_index, is_input, 0,
870 clib_mem_set_heap (oldheap);
874 acl_interface_add_del_inout_acl (u32 sw_if_index, u8 is_add, u8 is_input,
878 acl_main_t *am = &acl_main;
880 int may_clear_sessions = 1;
882 int error_already_applied = is_input ? VNET_API_ERROR_ACL_IN_USE_INBOUND
883 : VNET_API_ERROR_ACL_IN_USE_OUTBOUND;
885 u32 ***pinout_acl_vec_by_sw_if_index =
887 input_acl_vec_by_sw_if_index : &am->output_acl_vec_by_sw_if_index;
889 void *oldheap = acl_set_heap (am);
893 vec_validate ((*pinout_acl_vec_by_sw_if_index), sw_if_index);
894 u32 index = vec_search ((*pinout_acl_vec_by_sw_if_index)[sw_if_index],
899 rv = error_already_applied;
903 acl_vec = vec_dup ((*pinout_acl_vec_by_sw_if_index)[sw_if_index]);
904 vec_add1 (acl_vec, acl_list_index);
908 if (sw_if_index >= vec_len (*pinout_acl_vec_by_sw_if_index))
910 rv = VNET_API_ERROR_NO_SUCH_ENTRY;
914 u32 index = vec_search ((*pinout_acl_vec_by_sw_if_index)[sw_if_index],
919 rv = VNET_API_ERROR_NO_SUCH_ENTRY;
923 acl_vec = vec_dup ((*pinout_acl_vec_by_sw_if_index)[sw_if_index]);
924 vec_del1 (acl_vec, index);
927 rv = acl_interface_set_inout_acl_list (am, sw_if_index, is_input, acl_vec,
928 &may_clear_sessions);
931 clib_mem_set_heap (oldheap);
936 acl_set_etype_whitelists (acl_main_t * am, u32 sw_if_index, u16 * vec_in,
939 vec_validate (am->input_etype_whitelist_by_sw_if_index, sw_if_index);
940 vec_validate (am->output_etype_whitelist_by_sw_if_index, sw_if_index);
942 vec_free (am->input_etype_whitelist_by_sw_if_index[sw_if_index]);
943 vec_free (am->output_etype_whitelist_by_sw_if_index[sw_if_index]);
945 am->input_etype_whitelist_by_sw_if_index[sw_if_index] = vec_in;
946 am->output_etype_whitelist_by_sw_if_index[sw_if_index] = vec_out;
949 * if there are already inbound/outbound ACLs applied, toggle the
950 * enable/disable - this will recreate the necessary tables.
953 if (vec_len (am->input_acl_vec_by_sw_if_index) > sw_if_index)
955 if (vec_len (am->input_acl_vec_by_sw_if_index[sw_if_index]) > 0)
957 acl_interface_in_enable_disable (am, sw_if_index, 0);
958 acl_interface_in_enable_disable (am, sw_if_index, 1);
961 if (vec_len (am->output_acl_vec_by_sw_if_index) > sw_if_index)
963 if (vec_len (am->output_acl_vec_by_sw_if_index[sw_if_index]) > 0)
965 acl_interface_out_enable_disable (am, sw_if_index, 0);
966 acl_interface_out_enable_disable (am, sw_if_index, 1);
982 u32 dot1q_table_index;
983 u32 dot1ad_table_index;
984 u32 arp_dot1q_table_index;
985 u32 arp_dot1ad_table_index;
988 u32 out_arp_table_index;
989 u32 out_dot1q_table_index;
990 u32 out_dot1ad_table_index;
991 u32 out_arp_dot1q_table_index;
992 u32 out_arp_dot1ad_table_index;
993 } macip_match_type_t;
996 macip_find_match_type (macip_match_type_t * mv, u8 * mac_mask, u8 prefix_len,
1002 for (i = 0; i < vec_len (mv); i++)
1004 if ((mv[i].prefix_len == prefix_len) && (mv[i].is_ipv6 == is_ipv6)
1005 && (0 == memcmp (mv[i].mac_mask, mac_mask, 6)))
1015 /* Get metric used to sort match types.
1016 The more specific and the more often seen - the bigger the metric */
1018 match_type_metric (macip_match_type_t * m)
1020 unsigned int mac_bits_set = 0;
1021 unsigned int mac_byte;
1023 for (i = 0; i < 6; i++)
1025 mac_byte = m->mac_mask[i];
1026 for (; mac_byte; mac_byte >>= 1)
1027 mac_bits_set += mac_byte & 1;
1030 * Attempt to place the more specific and the more used rules on top.
1031 * There are obvious caveat corner cases to this, but they do not
1032 * seem to be sensible in real world (e.g. specific IPv4 with wildcard MAC
1033 * going with a wildcard IPv4 with a specific MAC).
1035 return m->prefix_len + mac_bits_set + m->is_ipv6 + 10 * m->count;
1039 match_type_compare (macip_match_type_t * m1, macip_match_type_t * m2)
1041 /* Ascending sort based on the metric values */
1042 return match_type_metric (m1) - match_type_metric (m2);
1045 /* Get the offset of L3 source within ethernet packet */
1047 get_l3_src_offset (int is6)
1050 return (sizeof (ethernet_header_t) +
1051 offsetof (ip6_header_t, src_address));
1053 return (sizeof (ethernet_header_t) +
1054 offsetof (ip4_header_t, src_address));
1058 get_l3_dst_offset (int is6)
1061 return (sizeof (ethernet_header_t) +
1062 offsetof (ip6_header_t, dst_address));
1064 return (sizeof (ethernet_header_t) +
1065 offsetof (ip4_header_t, dst_address));
1069 * return if the is_permit value also requires to create the egress tables
1070 * For backwards compatibility, we keep the is_permit = 1 to only
1071 * create the ingress tables, and the new value of 3 will also
1072 * create the egress tables based on destination.
1075 macip_permit_also_egress (u8 is_permit)
1077 return (is_permit == 3);
1081 macip_create_classify_tables (acl_main_t * am, u32 macip_acl_index)
1083 macip_match_type_t *mvec = NULL;
1084 macip_match_type_t *mt;
1085 macip_acl_list_t *a = pool_elt_at_index (am->macip_acls, macip_acl_index);
1087 u32 match_type_index;
1091 vnet_classify_main_t *cm = &vnet_classify_main;
1093 /* Count the number of different types of rules */
1094 for (i = 0; i < a->count; i++)
1098 macip_find_match_type (mvec, a->rules[i].src_mac_mask,
1099 a->rules[i].src_prefixlen,
1100 a->rules[i].is_ipv6)))
1102 match_type_index = vec_len (mvec);
1103 vec_validate (mvec, match_type_index);
1104 memcpy (mvec[match_type_index].mac_mask,
1105 a->rules[i].src_mac_mask, 6);
1106 mvec[match_type_index].prefix_len = a->rules[i].src_prefixlen;
1107 mvec[match_type_index].is_ipv6 = a->rules[i].is_ipv6;
1108 mvec[match_type_index].has_egress = 0;
1109 mvec[match_type_index].table_index = ~0;
1110 mvec[match_type_index].arp_table_index = ~0;
1111 mvec[match_type_index].dot1q_table_index = ~0;
1112 mvec[match_type_index].dot1ad_table_index = ~0;
1113 mvec[match_type_index].arp_dot1q_table_index = ~0;
1114 mvec[match_type_index].arp_dot1ad_table_index = ~0;
1115 mvec[match_type_index].out_table_index = ~0;
1116 mvec[match_type_index].out_arp_table_index = ~0;
1117 mvec[match_type_index].out_dot1q_table_index = ~0;
1118 mvec[match_type_index].out_dot1ad_table_index = ~0;
1119 mvec[match_type_index].out_arp_dot1q_table_index = ~0;
1120 mvec[match_type_index].out_arp_dot1ad_table_index = ~0;
1122 mvec[match_type_index].count++;
1123 mvec[match_type_index].has_egress |=
1124 macip_permit_also_egress (a->rules[i].is_permit);
1126 /* Put the most frequently used tables last in the list so we can create classifier tables in reverse order */
1127 vec_sort_with_function (mvec, match_type_compare);
1128 /* Create the classifier tables */
1130 out_last_table = ~0;
1131 /* First add ARP tables */
1132 vec_foreach (mt, mvec)
1135 int is6 = mt->is_ipv6;
1137 u32 *last_tag_table;
1138 u32 *out_last_tag_table;
1145 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
1146 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
1147 | Destination Address |
1148 + +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
1150 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +
1152 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
1153 | EtherType | Hardware Type |
1154 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
1155 | Protocol Type | Hw addr len | Proto addr len|
1156 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
1158 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +
1159 | Sender Hardware Address |
1160 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
1161 | Sender Protocol Address |
1162 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
1163 | Target Hardware Address |
1164 + +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
1165 | | TargetProtocolAddress |
1166 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
1168 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
1170 for (tags = 2; tags >= 0; tags--)
1172 clib_memset (mask, 0, sizeof (mask));
1173 /* source MAC address */
1174 memcpy (&mask[6], mt->mac_mask, 6);
1180 clib_memset (&mask[12], 0xff, 2); /* ethernet protocol */
1182 last_tag_table = &mt->arp_table_index;
1185 clib_memset (&mask[12], 0xff, 2); /* VLAN tag1 */
1186 clib_memset (&mask[16], 0xff, 2); /* ethernet protocol */
1188 last_tag_table = &mt->arp_dot1q_table_index;
1191 clib_memset (&mask[12], 0xff, 2); /* VLAN tag1 */
1192 clib_memset (&mask[16], 0xff, 2); /* VLAN tag2 */
1193 clib_memset (&mask[20], 0xff, 2); /* ethernet protocol */
1195 last_tag_table = &mt->arp_dot1ad_table_index;
1199 /* sender hardware address within ARP */
1200 memcpy (&mask[l3_offset + 8], mt->mac_mask, 6);
1201 /* sender protocol address within ARP */
1202 for (i = 0; i < (mt->prefix_len / 8); i++)
1203 mask[l3_offset + 14 + i] = 0xff;
1204 if (mt->prefix_len % 8)
1205 mask[l3_offset + 14 + (mt->prefix_len / 8)] =
1206 0xff - ((1 << (8 - mt->prefix_len % 8)) - 1);
1208 mask_len = ((l3_offset + 14 + ((mt->prefix_len + 7) / 8) +
1210 1)) / sizeof (u32x4)) * sizeof (u32x4);
1211 acl_classify_add_del_table_small (cm, mask, mask_len, last_table,
1212 (~0 == last_table) ? 0 : ~0,
1214 last_table = *last_tag_table;
1217 /* egress ARP table */
1218 clib_memset (mask, 0, sizeof (mask));
1224 clib_memset (&mask[12], 0xff, 2); /* ethernet protocol */
1226 out_last_tag_table = &mt->out_arp_table_index;
1229 clib_memset (&mask[12], 0xff, 2); /* VLAN tag1 */
1230 clib_memset (&mask[16], 0xff, 2); /* ethernet protocol */
1232 out_last_tag_table = &mt->out_arp_dot1q_table_index;
1235 clib_memset (&mask[12], 0xff, 2); /* VLAN tag1 */
1236 clib_memset (&mask[16], 0xff, 2); /* VLAN tag2 */
1237 clib_memset (&mask[20], 0xff, 2); /* ethernet protocol */
1239 out_last_tag_table = &mt->out_arp_dot1ad_table_index;
1243 /* AYXX: FIXME here - can we tighten the ARP-related table more ? */
1244 /* mask captures just the destination and the ethertype */
1245 mask_len = ((l3_offset +
1247 1)) / sizeof (u32x4)) * sizeof (u32x4);
1248 acl_classify_add_del_table_small (cm, mask, mask_len,
1251 out_last_table) ? 0 : ~0,
1252 out_last_tag_table, 1);
1253 out_last_table = *out_last_tag_table;
1258 /* Now add IP[46] tables */
1259 vec_foreach (mt, mvec)
1262 int is6 = mt->is_ipv6;
1266 u32 *last_tag_table;
1267 u32 *out_last_tag_table;
1270 * create chained tables for VLAN (no-tags, dot1q and dot1ad) packets
1272 for (tags = 2; tags >= 0; tags--)
1274 clib_memset (mask, 0, sizeof (mask));
1275 memcpy (&mask[6], mt->mac_mask, 6);
1276 l3_src_offs = tags * 4 + get_l3_src_offset (is6);
1281 clib_memset (&mask[12], 0xff, 2); /* ethernet protocol */
1282 last_tag_table = &mt->table_index;
1285 clib_memset (&mask[12], 0xff, 2); /* VLAN tag1 */
1286 clib_memset (&mask[16], 0xff, 2); /* ethernet protocol */
1287 last_tag_table = &mt->dot1q_table_index;
1290 clib_memset (&mask[12], 0xff, 2); /* VLAN tag1 */
1291 clib_memset (&mask[16], 0xff, 2); /* VLAN tag2 */
1292 clib_memset (&mask[20], 0xff, 2); /* ethernet protocol */
1293 last_tag_table = &mt->dot1ad_table_index;
1296 for (i = 0; i < (mt->prefix_len / 8); i++)
1298 mask[l3_src_offs + i] = 0xff;
1300 if (mt->prefix_len % 8)
1302 mask[l3_src_offs + (mt->prefix_len / 8)] =
1303 0xff - ((1 << (8 - mt->prefix_len % 8)) - 1);
1306 * Round-up the number of bytes needed to store the prefix,
1307 * and round up the number of vectors too
1309 mask_len = ((l3_src_offs + ((mt->prefix_len + 7) / 8) +
1310 (sizeof (u32x4) - 1)) / sizeof (u32x4)) * sizeof (u32x4);
1311 acl_classify_add_del_table_small (cm, mask, mask_len, last_table,
1312 (~0 == last_table) ? 0 : ~0,
1314 last_table = *last_tag_table;
1318 for (tags = 2; tags >= 0; tags--)
1320 clib_memset (mask, 0, sizeof (mask));
1321 /* MAC destination */
1322 memcpy (&mask[0], mt->mac_mask, 6);
1323 l3_dst_offs = tags * 4 + get_l3_dst_offset (is6);
1328 clib_memset (&mask[12], 0xff, 2); /* ethernet protocol */
1329 out_last_tag_table = &mt->out_table_index;
1332 clib_memset (&mask[12], 0xff, 2); /* VLAN tag1 */
1333 clib_memset (&mask[16], 0xff, 2); /* ethernet protocol */
1334 out_last_tag_table = &mt->out_dot1q_table_index;
1337 clib_memset (&mask[12], 0xff, 2); /* VLAN tag1 */
1338 clib_memset (&mask[16], 0xff, 2); /* VLAN tag2 */
1339 clib_memset (&mask[20], 0xff, 2); /* ethernet protocol */
1340 out_last_tag_table = &mt->out_dot1ad_table_index;
1343 for (i = 0; i < (mt->prefix_len / 8); i++)
1345 mask[l3_dst_offs + i] = 0xff;
1347 if (mt->prefix_len % 8)
1349 mask[l3_dst_offs + (mt->prefix_len / 8)] =
1350 0xff - ((1 << (8 - mt->prefix_len % 8)) - 1);
1353 * Round-up the number of bytes needed to store the prefix,
1354 * and round up the number of vectors too
1356 mask_len = ((l3_dst_offs + ((mt->prefix_len + 7) / 8) +
1358 1)) / sizeof (u32x4)) * sizeof (u32x4);
1359 acl_classify_add_del_table_small (cm, mask, mask_len,
1361 (~0 == out_last_table) ? 0 : ~0,
1362 out_last_tag_table, 1);
1363 out_last_table = *out_last_tag_table;
1367 a->ip4_table_index = last_table;
1368 a->ip6_table_index = last_table;
1369 a->l2_table_index = last_table;
1371 a->out_ip4_table_index = out_last_table;
1372 a->out_ip6_table_index = out_last_table;
1373 a->out_l2_table_index = out_last_table;
1375 /* Populate the classifier tables with rules from the MACIP ACL */
1376 for (i = 0; i < a->count; i++)
1380 int is6 = a->rules[i].is_ipv6;
1387 macip_find_match_type (mvec, a->rules[i].src_mac_mask,
1388 a->rules[i].src_prefixlen,
1389 a->rules[i].is_ipv6);
1390 ASSERT (match_type_index != ~0);
1392 for (tags = 2; tags >= 0; tags--)
1394 clib_memset (mask, 0, sizeof (mask));
1395 l3_src_offs = tags * 4 + get_l3_src_offset (is6);
1396 memcpy (&mask[6], a->rules[i].src_mac, 6);
1401 tag_table = mvec[match_type_index].table_index;
1405 tag_table = mvec[match_type_index].dot1q_table_index;
1411 tag_table = mvec[match_type_index].dot1ad_table_index;
1421 memcpy (&mask[l3_src_offs], &a->rules[i].src_ip_addr.ip6, 16);
1423 mask[eth + 1] = 0xdd;
1427 memcpy (&mask[l3_src_offs], &a->rules[i].src_ip_addr.ip4, 4);
1429 mask[eth + 1] = 0x00;
1432 /* add session to table mvec[match_type_index].table_index; */
1433 vnet_classify_add_del_session (cm, tag_table,
1434 mask, a->rules[i].is_permit ? ~0 : 0,
1435 i, 0, action, metadata, 1);
1436 clib_memset (&mask[12], 0, sizeof (mask) - 12);
1439 /* add ARP table entry too */
1440 if (!is6 && (mvec[match_type_index].arp_table_index != ~0))
1442 clib_memset (mask, 0, sizeof (mask));
1443 memcpy (&mask[6], a->rules[i].src_mac, 6);
1445 for (tags = 2; tags >= 0; tags--)
1451 tag_table = mvec[match_type_index].arp_table_index;
1457 tag_table = mvec[match_type_index].arp_dot1q_table_index;
1465 tag_table = mvec[match_type_index].arp_dot1ad_table_index;
1476 memcpy (&mask[l3_src_offs + 8], a->rules[i].src_mac, 6);
1477 memcpy (&mask[l3_src_offs + 14], &a->rules[i].src_ip_addr.ip4,
1479 vnet_classify_add_del_session (cm, tag_table, mask,
1480 a->rules[i].is_permit ? ~0 : 0,
1481 i, 0, action, metadata, 1);
1484 if (macip_permit_also_egress (a->rules[i].is_permit))
1486 /* Add the egress entry with destination set */
1487 for (tags = 2; tags >= 0; tags--)
1489 clib_memset (mask, 0, sizeof (mask));
1490 l3_dst_offs = tags * 4 + get_l3_dst_offset (is6);
1491 /* src mac in the other direction becomes dst */
1492 memcpy (&mask[0], a->rules[i].src_mac, 6);
1497 tag_table = mvec[match_type_index].out_table_index;
1501 tag_table = mvec[match_type_index].out_dot1q_table_index;
1507 tag_table = mvec[match_type_index].out_dot1ad_table_index;
1517 memcpy (&mask[l3_dst_offs], &a->rules[i].src_ip_addr.ip6,
1520 mask[eth + 1] = 0xdd;
1524 memcpy (&mask[l3_dst_offs], &a->rules[i].src_ip_addr.ip4,
1527 mask[eth + 1] = 0x00;
1530 /* add session to table mvec[match_type_index].table_index; */
1531 vnet_classify_add_del_session (cm, tag_table,
1533 a->rules[i].is_permit ? ~0 : 0,
1534 i, 0, action, metadata, 1);
1535 // clib_memset (&mask[12], 0, sizeof (mask) - 12);
1538 /* add ARP table entry too */
1539 if (!is6 && (mvec[match_type_index].out_arp_table_index != ~0))
1541 for (tags = 2; tags >= 0; tags--)
1543 clib_memset (mask, 0, sizeof (mask));
1548 tag_table = mvec[match_type_index].out_arp_table_index;
1554 mvec[match_type_index].out_arp_dot1q_table_index;
1562 mvec[match_type_index].out_arp_dot1ad_table_index;
1572 vnet_classify_add_del_session (cm, tag_table,
1575 rules[i].is_permit ? ~0 : 0,
1576 i, 0, action, metadata, 1);
1585 macip_destroy_classify_tables (acl_main_t * am, u32 macip_acl_index)
1587 vnet_classify_main_t *cm = &vnet_classify_main;
1588 macip_acl_list_t *a = pool_elt_at_index (am->macip_acls, macip_acl_index);
1590 if (a->ip4_table_index != ~0)
1592 acl_classify_add_del_table_small (cm, 0, ~0, ~0, ~0,
1593 &a->ip4_table_index, 0);
1594 a->ip4_table_index = ~0;
1596 if (a->ip6_table_index != ~0)
1598 acl_classify_add_del_table_small (cm, 0, ~0, ~0, ~0,
1599 &a->ip6_table_index, 0);
1600 a->ip6_table_index = ~0;
1602 if (a->l2_table_index != ~0)
1604 acl_classify_add_del_table_small (cm, 0, ~0, ~0, ~0, &a->l2_table_index,
1606 a->l2_table_index = ~0;
1608 if (a->out_ip4_table_index != ~0)
1610 acl_classify_add_del_table_small (cm, 0, ~0, ~0, ~0,
1611 &a->out_ip4_table_index, 0);
1612 a->out_ip4_table_index = ~0;
1614 if (a->out_ip6_table_index != ~0)
1616 acl_classify_add_del_table_small (cm, 0, ~0, ~0, ~0,
1617 &a->out_ip6_table_index, 0);
1618 a->out_ip6_table_index = ~0;
1620 if (a->out_l2_table_index != ~0)
1622 acl_classify_add_del_table_small (cm, 0, ~0, ~0, ~0,
1623 &a->out_l2_table_index, 0);
1624 a->out_l2_table_index = ~0;
1629 macip_maybe_apply_unapply_classifier_tables (acl_main_t * am, u32 acl_index,
1635 macip_acl_list_t *a = pool_elt_at_index (am->macip_acls, acl_index);
1637 for (i = 0; i < vec_len (am->macip_acl_by_sw_if_index); i++)
1638 if (vec_elt (am->macip_acl_by_sw_if_index, i) == acl_index)
1640 rv0 = vnet_set_input_acl_intfc (am->vlib_main, i, a->ip4_table_index,
1641 a->ip6_table_index, a->l2_table_index,
1643 /* return the first unhappy outcome but make try to plough through. */
1646 vnet_set_output_acl_intfc (am->vlib_main, i, a->out_ip4_table_index,
1647 a->out_ip6_table_index,
1648 a->out_l2_table_index, is_apply);
1649 /* return the first unhappy outcome but make try to plough through. */
1656 macip_acl_add_list (u32 count, vl_api_macip_acl_rule_t rules[],
1657 u32 * acl_list_index, u8 * tag)
1659 acl_main_t *am = &acl_main;
1660 macip_acl_list_t *a;
1661 macip_acl_rule_t *r;
1662 macip_acl_rule_t *acl_new_rules = 0;
1666 if (*acl_list_index != ~0)
1668 /* They supplied some number, let's see if this MACIP ACL exists */
1669 if (pool_is_free_index (am->macip_acls, *acl_list_index))
1671 /* tried to replace a non-existent ACL, no point doing anything */
1673 ("acl-plugin-error: Trying to replace nonexistent MACIP ACL %d (tag %s)",
1674 *acl_list_index, tag);
1675 return VNET_API_ERROR_NO_SUCH_ENTRY;
1682 ("acl-plugin-warning: Trying to create empty MACIP ACL (tag %s)",
1685 /* if replacing the ACL, unapply the classifier tables first - they will be gone.. */
1686 if (~0 != *acl_list_index)
1687 rv = macip_maybe_apply_unapply_classifier_tables (am, *acl_list_index, 0);
1688 void *oldheap = acl_set_heap (am);
1689 /* Create and populate the rules */
1691 vec_validate (acl_new_rules, count - 1);
1693 for (i = 0; i < count; i++)
1695 r = &acl_new_rules[i];
1696 r->is_permit = rules[i].is_permit;
1697 r->is_ipv6 = rules[i].is_ipv6;
1698 memcpy (&r->src_mac, rules[i].src_mac, 6);
1699 memcpy (&r->src_mac_mask, rules[i].src_mac_mask, 6);
1700 if (rules[i].is_ipv6)
1701 memcpy (&r->src_ip_addr.ip6, rules[i].src_ip_addr, 16);
1703 memcpy (&r->src_ip_addr.ip4, rules[i].src_ip_addr, 4);
1704 r->src_prefixlen = rules[i].src_ip_prefix_len;
1707 if (~0 == *acl_list_index)
1710 pool_get_aligned (am->macip_acls, a, CLIB_CACHE_LINE_BYTES);
1711 clib_memset (a, 0, sizeof (*a));
1712 /* Will return the newly allocated ACL index */
1713 *acl_list_index = a - am->macip_acls;
1717 a = pool_elt_at_index (am->macip_acls, *acl_list_index);
1720 vec_free (a->rules);
1722 macip_destroy_classify_tables (am, *acl_list_index);
1725 a->rules = acl_new_rules;
1727 memcpy (a->tag, tag, sizeof (a->tag));
1729 /* Create and populate the classifier tables */
1730 macip_create_classify_tables (am, *acl_list_index);
1731 clib_mem_set_heap (oldheap);
1732 /* If the ACL was already applied somewhere, reapply the newly created tables */
1734 || macip_maybe_apply_unapply_classifier_tables (am, *acl_list_index, 1);
1738 /* No check that sw_if_index denotes a valid interface - the callers
1739 * were supposed to validate.
1741 * That said, if sw_if_index corresponds to an interface that exists at all,
1742 * this function must return errors accordingly if the ACL is not applied.
1746 macip_acl_interface_del_acl (acl_main_t * am, u32 sw_if_index)
1749 u32 macip_acl_index;
1750 macip_acl_list_t *a;
1752 /* The vector is too short - MACIP ACL is not applied */
1753 if (sw_if_index >= vec_len (am->macip_acl_by_sw_if_index))
1754 return VNET_API_ERROR_NO_SUCH_ENTRY;
1756 macip_acl_index = am->macip_acl_by_sw_if_index[sw_if_index];
1757 /* No point in deleting MACIP ACL which is not applied */
1758 if (~0 == macip_acl_index)
1759 return VNET_API_ERROR_NO_SUCH_ENTRY;
1761 a = pool_elt_at_index (am->macip_acls, macip_acl_index);
1762 /* remove the classifier tables off the interface L2 ACL */
1764 vnet_set_input_acl_intfc (am->vlib_main, sw_if_index, a->ip4_table_index,
1765 a->ip6_table_index, a->l2_table_index, 0);
1767 vnet_set_output_acl_intfc (am->vlib_main, sw_if_index,
1768 a->out_ip4_table_index, a->out_ip6_table_index,
1769 a->out_l2_table_index, 0);
1770 /* Unset the MACIP ACL index */
1771 am->macip_acl_by_sw_if_index[sw_if_index] = ~0;
1772 /* macip_acl_interface_add_acl did a vec_add1() to this previously, so [sw_if_index] should be valid */
1773 u32 index = vec_search (am->sw_if_index_vec_by_macip_acl[macip_acl_index],
1776 vec_del1 (am->sw_if_index_vec_by_macip_acl[macip_acl_index], index);
1780 /* No check for validity of sw_if_index - the callers were supposed to validate */
1783 macip_acl_interface_add_acl (acl_main_t * am, u32 sw_if_index,
1784 u32 macip_acl_index)
1786 macip_acl_list_t *a;
1788 if (pool_is_free_index (am->macip_acls, macip_acl_index))
1790 return VNET_API_ERROR_NO_SUCH_ENTRY;
1792 void *oldheap = acl_set_heap (am);
1793 a = pool_elt_at_index (am->macip_acls, macip_acl_index);
1794 vec_validate_init_empty (am->macip_acl_by_sw_if_index, sw_if_index, ~0);
1795 vec_validate (am->sw_if_index_vec_by_macip_acl, macip_acl_index);
1796 vec_add1 (am->sw_if_index_vec_by_macip_acl[macip_acl_index], sw_if_index);
1797 clib_mem_set_heap (oldheap);
1798 /* If there already a MACIP ACL applied, unapply it */
1799 if (~0 != am->macip_acl_by_sw_if_index[sw_if_index])
1800 macip_acl_interface_del_acl (am, sw_if_index);
1801 am->macip_acl_by_sw_if_index[sw_if_index] = macip_acl_index;
1803 /* Apply the classifier tables for L2 ACLs */
1805 vnet_set_input_acl_intfc (am->vlib_main, sw_if_index, a->ip4_table_index,
1806 a->ip6_table_index, a->l2_table_index, 1);
1808 vnet_set_output_acl_intfc (am->vlib_main, sw_if_index,
1809 a->out_ip4_table_index, a->out_ip6_table_index,
1810 a->out_l2_table_index, 1);
1815 macip_acl_del_list (u32 acl_list_index)
1817 acl_main_t *am = &acl_main;
1818 macip_acl_list_t *a;
1820 if (pool_is_free_index (am->macip_acls, acl_list_index))
1822 return VNET_API_ERROR_NO_SUCH_ENTRY;
1825 /* delete any references to the ACL */
1826 for (i = 0; i < vec_len (am->macip_acl_by_sw_if_index); i++)
1828 if (am->macip_acl_by_sw_if_index[i] == acl_list_index)
1830 macip_acl_interface_del_acl (am, i);
1834 void *oldheap = acl_set_heap (am);
1835 /* Now that classifier tables are detached, clean them up */
1836 macip_destroy_classify_tables (am, acl_list_index);
1838 /* now we can delete the ACL itself */
1839 a = pool_elt_at_index (am->macip_acls, acl_list_index);
1842 vec_free (a->rules);
1844 pool_put (am->macip_acls, a);
1845 clib_mem_set_heap (oldheap);
1851 macip_acl_interface_add_del_acl (u32 sw_if_index, u8 is_add,
1854 acl_main_t *am = &acl_main;
1858 rv = macip_acl_interface_add_acl (am, sw_if_index, acl_list_index);
1862 rv = macip_acl_interface_del_acl (am, sw_if_index);
1868 * If the client does not allocate enough memory for a variable-length
1869 * message, and then proceed to use it as if the full memory allocated,
1870 * absent the check we happily consume that on the VPP side, and go
1871 * along as if nothing happened. However, the resulting
1872 * effects range from just garbage in the API decode
1873 * (because the decoder snoops too far), to potential memory
1876 * This verifies that the actual length of the message is
1877 * at least expected_len, and complains loudly if it is not.
1879 * A failing check here is 100% a software bug on the API user side,
1880 * so we might as well yell.
1884 verify_message_len (void *mp, u32 expected_len, char *where)
1886 u32 supplied_len = vl_msg_api_get_msg_length (mp);
1887 if (supplied_len < expected_len)
1889 clib_warning ("%s: Supplied message length %d is less than expected %d",
1890 where, supplied_len, expected_len);
1899 /* API message handler */
1901 vl_api_acl_add_replace_t_handler (vl_api_acl_add_replace_t * mp)
1903 vl_api_acl_add_replace_reply_t *rmp;
1904 acl_main_t *am = &acl_main;
1906 u32 acl_list_index = ntohl (mp->acl_index);
1907 u32 acl_count = ntohl (mp->count);
1908 u32 expected_len = sizeof (*mp) + acl_count * sizeof (mp->r[0]);
1910 if (verify_message_len (mp, expected_len, "acl_add_replace"))
1912 rv = acl_add_list (acl_count, mp->r, &acl_list_index, mp->tag);
1916 rv = VNET_API_ERROR_INVALID_VALUE;
1920 REPLY_MACRO2(VL_API_ACL_ADD_REPLACE_REPLY,
1922 rmp->acl_index = htonl(acl_list_index);
1928 vl_api_acl_del_t_handler (vl_api_acl_del_t * mp)
1930 acl_main_t *am = &acl_main;
1931 vl_api_acl_del_reply_t *rmp;
1934 rv = acl_del_list (ntohl (mp->acl_index));
1936 REPLY_MACRO (VL_API_ACL_DEL_REPLY);
1941 vl_api_acl_stats_intf_counters_enable_t_handler
1942 (vl_api_acl_stats_intf_counters_enable_t * mp)
1944 acl_main_t *am = &acl_main;
1945 vl_api_acl_stats_intf_counters_enable_reply_t *rmp;
1948 rv = acl_stats_intf_counters_enable_disable (am, ntohl (mp->enable));
1950 REPLY_MACRO (VL_API_ACL_DEL_REPLY);
1955 vl_api_acl_interface_add_del_t_handler (vl_api_acl_interface_add_del_t * mp)
1957 acl_main_t *am = &acl_main;
1958 vnet_interface_main_t *im = &am->vnet_main->interface_main;
1959 u32 sw_if_index = ntohl (mp->sw_if_index);
1960 vl_api_acl_interface_add_del_reply_t *rmp;
1963 if (pool_is_free_index (im->sw_interfaces, sw_if_index))
1964 rv = VNET_API_ERROR_INVALID_SW_IF_INDEX;
1967 acl_interface_add_del_inout_acl (sw_if_index, mp->is_add,
1968 mp->is_input, ntohl (mp->acl_index));
1970 REPLY_MACRO (VL_API_ACL_INTERFACE_ADD_DEL_REPLY);
1974 vl_api_acl_interface_set_acl_list_t_handler
1975 (vl_api_acl_interface_set_acl_list_t * mp)
1977 acl_main_t *am = &acl_main;
1978 vl_api_acl_interface_set_acl_list_reply_t *rmp;
1981 vnet_interface_main_t *im = &am->vnet_main->interface_main;
1982 u32 sw_if_index = ntohl (mp->sw_if_index);
1984 if (pool_is_free_index (im->sw_interfaces, sw_if_index))
1985 rv = VNET_API_ERROR_INVALID_SW_IF_INDEX;
1988 int may_clear_sessions = 1;
1989 for (i = 0; i < mp->count; i++)
1991 if (acl_is_not_defined (am, ntohl (mp->acls[i])))
1993 /* ACL does not exist, so we can not apply it */
1994 rv = VNET_API_ERROR_NO_SUCH_ENTRY;
1999 void *oldheap = acl_set_heap (am);
2001 u32 *in_acl_vec = 0;
2002 u32 *out_acl_vec = 0;
2003 for (i = 0; i < mp->count; i++)
2004 if (i < mp->n_input)
2005 vec_add1 (in_acl_vec, clib_net_to_host_u32 (mp->acls[i]));
2007 vec_add1 (out_acl_vec, clib_net_to_host_u32 (mp->acls[i]));
2010 acl_interface_set_inout_acl_list (am, sw_if_index, 0, out_acl_vec,
2011 &may_clear_sessions);
2013 || acl_interface_set_inout_acl_list (am, sw_if_index, 1,
2015 &may_clear_sessions);
2016 vec_free (in_acl_vec);
2017 vec_free (out_acl_vec);
2018 clib_mem_set_heap (oldheap);
2022 REPLY_MACRO (VL_API_ACL_INTERFACE_SET_ACL_LIST_REPLY);
2026 copy_acl_rule_to_api_rule (vl_api_acl_rule_t * api_rule, acl_rule_t * r)
2028 api_rule->is_permit = r->is_permit;
2029 api_rule->is_ipv6 = r->is_ipv6;
2032 memcpy (api_rule->src_ip_addr, &r->src, sizeof (r->src));
2033 memcpy (api_rule->dst_ip_addr, &r->dst, sizeof (r->dst));
2037 memcpy (api_rule->src_ip_addr, &r->src.ip4, sizeof (r->src.ip4));
2038 memcpy (api_rule->dst_ip_addr, &r->dst.ip4, sizeof (r->dst.ip4));
2040 api_rule->src_ip_prefix_len = r->src_prefixlen;
2041 api_rule->dst_ip_prefix_len = r->dst_prefixlen;
2042 api_rule->proto = r->proto;
2043 api_rule->srcport_or_icmptype_first = htons (r->src_port_or_type_first);
2044 api_rule->srcport_or_icmptype_last = htons (r->src_port_or_type_last);
2045 api_rule->dstport_or_icmpcode_first = htons (r->dst_port_or_code_first);
2046 api_rule->dstport_or_icmpcode_last = htons (r->dst_port_or_code_last);
2047 api_rule->tcp_flags_mask = r->tcp_flags_mask;
2048 api_rule->tcp_flags_value = r->tcp_flags_value;
2052 send_acl_details (acl_main_t * am, vl_api_registration_t * reg,
2053 acl_list_t * acl, u32 context)
2055 vl_api_acl_details_t *mp;
2056 vl_api_acl_rule_t *rules;
2058 acl_rule_t *acl_rules = acl->rules;
2059 int msg_size = sizeof (*mp) + sizeof (mp->r[0]) * vec_len (acl_rules);
2060 void *oldheap = acl_set_heap (am);
2062 mp = vl_msg_api_alloc (msg_size);
2063 clib_memset (mp, 0, msg_size);
2064 mp->_vl_msg_id = ntohs (VL_API_ACL_DETAILS + am->msg_id_base);
2066 /* fill in the message */
2067 mp->context = context;
2068 mp->count = htonl (vec_len (acl_rules));
2069 mp->acl_index = htonl (acl - am->acls);
2070 memcpy (mp->tag, acl->tag, sizeof (mp->tag));
2071 // clib_memcpy (mp->r, acl->rules, acl->count * sizeof(acl->rules[0]));
2073 for (i = 0; i < vec_len (acl_rules); i++)
2075 copy_acl_rule_to_api_rule (&rules[i], &acl_rules[i]);
2078 clib_mem_set_heap (oldheap);
2079 vl_api_send_msg (reg, (u8 *) mp);
2084 vl_api_acl_dump_t_handler (vl_api_acl_dump_t * mp)
2086 acl_main_t *am = &acl_main;
2090 vl_api_registration_t *reg;
2092 reg = vl_api_client_index_to_registration (mp->client_index);
2096 if (mp->acl_index == ~0)
2099 /* Just dump all ACLs */
2100 pool_foreach (acl, am->acls,
2102 send_acl_details(am, reg, acl, mp->context);
2108 acl_index = ntohl (mp->acl_index);
2109 if (!pool_is_free_index (am->acls, acl_index))
2111 acl = pool_elt_at_index (am->acls, acl_index);
2112 send_acl_details (am, reg, acl, mp->context);
2118 /* FIXME API: should we signal an error here at all ? */
2124 send_acl_interface_list_details (acl_main_t * am,
2125 vl_api_registration_t * reg,
2126 u32 sw_if_index, u32 context)
2128 vl_api_acl_interface_list_details_t *mp;
2134 void *oldheap = acl_set_heap (am);
2136 vec_validate (am->input_acl_vec_by_sw_if_index, sw_if_index);
2137 vec_validate (am->output_acl_vec_by_sw_if_index, sw_if_index);
2139 clib_mem_set_heap (oldheap);
2141 n_input = vec_len (am->input_acl_vec_by_sw_if_index[sw_if_index]);
2142 n_output = vec_len (am->output_acl_vec_by_sw_if_index[sw_if_index]);
2143 count = n_input + n_output;
2145 msg_size = sizeof (*mp);
2146 msg_size += sizeof (mp->acls[0]) * count;
2148 mp = vl_msg_api_alloc (msg_size);
2149 clib_memset (mp, 0, msg_size);
2151 ntohs (VL_API_ACL_INTERFACE_LIST_DETAILS + am->msg_id_base);
2153 /* fill in the message */
2154 mp->context = context;
2155 mp->sw_if_index = htonl (sw_if_index);
2157 mp->n_input = n_input;
2158 for (i = 0; i < n_input; i++)
2160 mp->acls[i] = htonl (am->input_acl_vec_by_sw_if_index[sw_if_index][i]);
2162 for (i = 0; i < n_output; i++)
2164 mp->acls[n_input + i] =
2165 htonl (am->output_acl_vec_by_sw_if_index[sw_if_index][i]);
2167 vl_api_send_msg (reg, (u8 *) mp);
2171 vl_api_acl_interface_list_dump_t_handler (vl_api_acl_interface_list_dump_t *
2174 acl_main_t *am = &acl_main;
2175 vnet_sw_interface_t *swif;
2176 vnet_interface_main_t *im = &am->vnet_main->interface_main;
2179 vl_api_registration_t *reg;
2181 reg = vl_api_client_index_to_registration (mp->client_index);
2185 if (mp->sw_if_index == ~0)
2188 pool_foreach (swif, im->sw_interfaces,
2190 send_acl_interface_list_details(am, reg, swif->sw_if_index, mp->context);
2196 sw_if_index = ntohl (mp->sw_if_index);
2197 if (!pool_is_free_index (im->sw_interfaces, sw_if_index))
2198 send_acl_interface_list_details (am, reg, sw_if_index, mp->context);
2202 /* MACIP ACL API handlers */
2205 vl_api_macip_acl_add_t_handler (vl_api_macip_acl_add_t * mp)
2207 vl_api_macip_acl_add_reply_t *rmp;
2208 acl_main_t *am = &acl_main;
2210 u32 acl_list_index = ~0;
2211 u32 acl_count = ntohl (mp->count);
2212 u32 expected_len = sizeof (*mp) + acl_count * sizeof (mp->r[0]);
2214 if (verify_message_len (mp, expected_len, "macip_acl_add"))
2216 rv = macip_acl_add_list (acl_count, mp->r, &acl_list_index, mp->tag);
2220 rv = VNET_API_ERROR_INVALID_VALUE;
2224 REPLY_MACRO2(VL_API_MACIP_ACL_ADD_REPLY,
2226 rmp->acl_index = htonl(acl_list_index);
2232 vl_api_macip_acl_add_replace_t_handler (vl_api_macip_acl_add_replace_t * mp)
2234 vl_api_macip_acl_add_replace_reply_t *rmp;
2235 acl_main_t *am = &acl_main;
2237 u32 acl_list_index = ntohl (mp->acl_index);
2238 u32 acl_count = ntohl (mp->count);
2239 u32 expected_len = sizeof (*mp) + acl_count * sizeof (mp->r[0]);
2241 if (verify_message_len (mp, expected_len, "macip_acl_add_replace"))
2243 rv = macip_acl_add_list (acl_count, mp->r, &acl_list_index, mp->tag);
2247 rv = VNET_API_ERROR_INVALID_VALUE;
2251 REPLY_MACRO2(VL_API_MACIP_ACL_ADD_REPLACE_REPLY,
2253 rmp->acl_index = htonl(acl_list_index);
2259 vl_api_macip_acl_del_t_handler (vl_api_macip_acl_del_t * mp)
2261 acl_main_t *am = &acl_main;
2262 vl_api_macip_acl_del_reply_t *rmp;
2265 rv = macip_acl_del_list (ntohl (mp->acl_index));
2267 REPLY_MACRO (VL_API_MACIP_ACL_DEL_REPLY);
2271 vl_api_macip_acl_interface_add_del_t_handler
2272 (vl_api_macip_acl_interface_add_del_t * mp)
2274 acl_main_t *am = &acl_main;
2275 vl_api_macip_acl_interface_add_del_reply_t *rmp;
2277 vnet_interface_main_t *im = &am->vnet_main->interface_main;
2278 u32 sw_if_index = ntohl (mp->sw_if_index);
2280 if (pool_is_free_index (im->sw_interfaces, sw_if_index))
2281 rv = VNET_API_ERROR_INVALID_SW_IF_INDEX;
2284 macip_acl_interface_add_del_acl (ntohl (mp->sw_if_index), mp->is_add,
2285 ntohl (mp->acl_index));
2287 REPLY_MACRO (VL_API_MACIP_ACL_INTERFACE_ADD_DEL_REPLY);
2291 send_macip_acl_details (acl_main_t * am, vl_api_registration_t * reg,
2292 macip_acl_list_t * acl, u32 context)
2294 vl_api_macip_acl_details_t *mp;
2295 vl_api_macip_acl_rule_t *rules;
2296 macip_acl_rule_t *r;
2298 int msg_size = sizeof (*mp) + (acl ? sizeof (mp->r[0]) * acl->count : 0);
2300 mp = vl_msg_api_alloc (msg_size);
2301 clib_memset (mp, 0, msg_size);
2302 mp->_vl_msg_id = ntohs (VL_API_MACIP_ACL_DETAILS + am->msg_id_base);
2304 /* fill in the message */
2305 mp->context = context;
2308 memcpy (mp->tag, acl->tag, sizeof (mp->tag));
2309 mp->count = htonl (acl->count);
2310 mp->acl_index = htonl (acl - am->macip_acls);
2312 for (i = 0; i < acl->count; i++)
2315 rules[i].is_permit = r->is_permit;
2316 rules[i].is_ipv6 = r->is_ipv6;
2317 memcpy (rules[i].src_mac, &r->src_mac, sizeof (r->src_mac));
2318 memcpy (rules[i].src_mac_mask, &r->src_mac_mask,
2319 sizeof (r->src_mac_mask));
2321 memcpy (rules[i].src_ip_addr, &r->src_ip_addr.ip6,
2322 sizeof (r->src_ip_addr.ip6));
2324 memcpy (rules[i].src_ip_addr, &r->src_ip_addr.ip4,
2325 sizeof (r->src_ip_addr.ip4));
2326 rules[i].src_ip_prefix_len = r->src_prefixlen;
2331 /* No martini, no party - no ACL applied to this interface. */
2336 vl_api_send_msg (reg, (u8 *) mp);
2341 vl_api_macip_acl_dump_t_handler (vl_api_macip_acl_dump_t * mp)
2343 acl_main_t *am = &acl_main;
2344 macip_acl_list_t *acl;
2346 vl_api_registration_t *reg;
2348 reg = vl_api_client_index_to_registration (mp->client_index);
2352 if (mp->acl_index == ~0)
2354 /* Just dump all ACLs for now, with sw_if_index = ~0 */
2355 pool_foreach (acl, am->macip_acls, (
2357 send_macip_acl_details (am, reg,
2366 u32 acl_index = ntohl (mp->acl_index);
2367 if (!pool_is_free_index (am->macip_acls, acl_index))
2369 acl = pool_elt_at_index (am->macip_acls, acl_index);
2370 send_macip_acl_details (am, reg, acl, mp->context);
2376 vl_api_macip_acl_interface_get_t_handler (vl_api_macip_acl_interface_get_t *
2379 acl_main_t *am = &acl_main;
2380 vl_api_macip_acl_interface_get_reply_t *rmp;
2381 u32 count = vec_len (am->macip_acl_by_sw_if_index);
2382 int msg_size = sizeof (*rmp) + sizeof (rmp->acls[0]) * count;
2383 vl_api_registration_t *reg;
2386 reg = vl_api_client_index_to_registration (mp->client_index);
2390 rmp = vl_msg_api_alloc (msg_size);
2391 clib_memset (rmp, 0, msg_size);
2393 ntohs (VL_API_MACIP_ACL_INTERFACE_GET_REPLY + am->msg_id_base);
2394 rmp->context = mp->context;
2395 rmp->count = htonl (count);
2396 for (i = 0; i < count; i++)
2398 rmp->acls[i] = htonl (am->macip_acl_by_sw_if_index[i]);
2401 vl_api_send_msg (reg, (u8 *) rmp);
2405 send_macip_acl_interface_list_details (acl_main_t * am,
2406 vl_api_registration_t * reg,
2408 u32 acl_index, u32 context)
2410 vl_api_macip_acl_interface_list_details_t *rmp;
2411 /* at this time there is only ever 1 mac ip acl per interface */
2412 int msg_size = sizeof (*rmp) + sizeof (rmp->acls[0]);
2414 rmp = vl_msg_api_alloc (msg_size);
2415 clib_memset (rmp, 0, msg_size);
2417 ntohs (VL_API_MACIP_ACL_INTERFACE_LIST_DETAILS + am->msg_id_base);
2419 /* fill in the message */
2420 rmp->context = context;
2422 rmp->sw_if_index = htonl (sw_if_index);
2423 rmp->acls[0] = htonl (acl_index);
2425 vl_api_send_msg (reg, (u8 *) rmp);
2429 vl_api_macip_acl_interface_list_dump_t_handler
2430 (vl_api_macip_acl_interface_list_dump_t * mp)
2432 vl_api_registration_t *reg;
2433 acl_main_t *am = &acl_main;
2434 u32 sw_if_index = ntohl (mp->sw_if_index);
2436 reg = vl_api_client_index_to_registration (mp->client_index);
2440 if (sw_if_index == ~0)
2442 vec_foreach_index (sw_if_index, am->macip_acl_by_sw_if_index)
2444 if (~0 != am->macip_acl_by_sw_if_index[sw_if_index])
2446 send_macip_acl_interface_list_details (am, reg, sw_if_index,
2447 am->macip_acl_by_sw_if_index
2455 if (vec_len (am->macip_acl_by_sw_if_index) > sw_if_index)
2457 send_macip_acl_interface_list_details (am, reg, sw_if_index,
2458 am->macip_acl_by_sw_if_index
2459 [sw_if_index], mp->context);
2465 vl_api_acl_interface_set_etype_whitelist_t_handler
2466 (vl_api_acl_interface_set_etype_whitelist_t * mp)
2468 acl_main_t *am = &acl_main;
2469 vl_api_acl_interface_set_etype_whitelist_reply_t *rmp;
2472 vnet_interface_main_t *im = &am->vnet_main->interface_main;
2473 u32 sw_if_index = ntohl (mp->sw_if_index);
2474 u16 *vec_in = 0, *vec_out = 0;
2475 void *oldheap = acl_set_heap (am);
2477 if (pool_is_free_index (im->sw_interfaces, sw_if_index))
2478 rv = VNET_API_ERROR_INVALID_SW_IF_INDEX;
2481 for (i = 0; i < mp->count; i++)
2483 if (i < mp->n_input)
2484 vec_add1 (vec_in, ntohs (mp->whitelist[i]));
2486 vec_add1 (vec_out, ntohs (mp->whitelist[i]));
2488 rv = acl_set_etype_whitelists (am, sw_if_index, vec_in, vec_out);
2491 clib_mem_set_heap (oldheap);
2492 REPLY_MACRO (VL_API_ACL_INTERFACE_SET_ETYPE_WHITELIST_REPLY);
2496 send_acl_interface_etype_whitelist_details (acl_main_t * am,
2497 vl_api_registration_t * reg,
2498 u32 sw_if_index, u32 context)
2500 vl_api_acl_interface_etype_whitelist_details_t *mp;
2507 u16 *whitelist_in = 0;
2508 u16 *whitelist_out = 0;
2510 if (intf_has_etype_whitelist (am, sw_if_index, 0))
2512 vec_elt (am->output_etype_whitelist_by_sw_if_index, sw_if_index);
2514 if (intf_has_etype_whitelist (am, sw_if_index, 1))
2516 vec_elt (am->input_etype_whitelist_by_sw_if_index, sw_if_index);
2518 if ((0 == whitelist_in) && (0 == whitelist_out))
2519 return; /* nothing to do */
2521 void *oldheap = acl_set_heap (am);
2523 n_input = vec_len (whitelist_in);
2524 n_output = vec_len (whitelist_out);
2525 count = n_input + n_output;
2527 msg_size = sizeof (*mp);
2528 msg_size += sizeof (mp->whitelist[0]) * count;
2530 mp = vl_msg_api_alloc (msg_size);
2531 clib_memset (mp, 0, msg_size);
2533 ntohs (VL_API_ACL_INTERFACE_ETYPE_WHITELIST_DETAILS + am->msg_id_base);
2535 /* fill in the message */
2536 mp->context = context;
2537 mp->sw_if_index = htonl (sw_if_index);
2539 mp->n_input = n_input;
2540 for (i = 0; i < n_input; i++)
2542 mp->whitelist[i] = htons (whitelist_in[i]);
2544 for (i = 0; i < n_output; i++)
2546 mp->whitelist[n_input + i] = htons (whitelist_out[i]);
2548 clib_mem_set_heap (oldheap);
2549 vl_api_send_msg (reg, (u8 *) mp);
2554 vl_api_acl_interface_etype_whitelist_dump_t_handler
2555 (vl_api_acl_interface_list_dump_t * mp)
2557 acl_main_t *am = &acl_main;
2558 vnet_sw_interface_t *swif;
2559 vnet_interface_main_t *im = &am->vnet_main->interface_main;
2562 vl_api_registration_t *reg;
2564 reg = vl_api_client_index_to_registration (mp->client_index);
2568 if (mp->sw_if_index == ~0)
2571 pool_foreach (swif, im->sw_interfaces,
2573 send_acl_interface_etype_whitelist_details(am, reg, swif->sw_if_index, mp->context);
2579 sw_if_index = ntohl (mp->sw_if_index);
2580 if (!pool_is_free_index (im->sw_interfaces, sw_if_index))
2581 send_acl_interface_etype_whitelist_details (am, reg, sw_if_index,
2588 /* Set up the API message handling tables */
2589 static clib_error_t *
2590 acl_plugin_api_hookup (vlib_main_t * vm)
2592 acl_main_t *am = &acl_main;
2594 vl_msg_api_set_handlers((VL_API_##N + am->msg_id_base), \
2596 vl_api_##n##_t_handler, \
2598 vl_api_##n##_t_endian, \
2599 vl_api_##n##_t_print, \
2600 sizeof(vl_api_##n##_t), 1);
2601 foreach_acl_plugin_api_msg;
2607 #define vl_msg_name_crc_list
2608 #include <acl/acl_all_api_h.h>
2609 #undef vl_msg_name_crc_list
2612 setup_message_id_table (acl_main_t * am, api_main_t * apim)
2614 #define _(id,n,crc) \
2615 vl_msg_api_add_msg_name_crc (apim, #n "_" #crc, id + am->msg_id_base);
2616 foreach_vl_msg_name_crc_acl;
2621 acl_set_timeout_sec (int timeout_type, u32 value)
2623 acl_main_t *am = &acl_main;
2624 clib_time_t *ct = &am->vlib_main->clib_time;
2626 if (timeout_type < ACL_N_TIMEOUTS)
2628 am->session_timeout_sec[timeout_type] = value;
2632 clib_warning ("Unknown timeout type %d", timeout_type);
2635 am->session_timeout[timeout_type] =
2636 (u64) (((f64) value) / ct->seconds_per_clock);
2640 acl_set_session_max_entries (u32 value)
2642 acl_main_t *am = &acl_main;
2643 am->fa_conn_table_max_entries = value;
2647 acl_set_skip_ipv6_eh (u32 eh, u32 value)
2649 acl_main_t *am = &acl_main;
2651 if ((eh < 256) && (value < 2))
2653 am->fa_ipv6_known_eh_bitmap =
2654 clib_bitmap_set (am->fa_ipv6_known_eh_bitmap, eh, value);
2662 static clib_error_t *
2663 acl_sw_interface_add_del (vnet_main_t * vnm, u32 sw_if_index, u32 is_add)
2665 acl_main_t *am = &acl_main;
2666 if (0 == am->acl_mheap)
2668 /* ACL heap is not initialized, so definitely nothing to do. */
2673 int may_clear_sessions = 1;
2674 vlib_process_signal_event (am->vlib_main, am->fa_cleaner_node_index,
2675 ACL_FA_CLEANER_DELETE_BY_SW_IF_INDEX,
2677 /* also unapply any ACLs in case the users did not do so. */
2678 macip_acl_interface_del_acl (am, sw_if_index);
2679 acl_interface_reset_inout_acls (sw_if_index, 0, &may_clear_sessions);
2680 acl_interface_reset_inout_acls (sw_if_index, 1, &may_clear_sessions);
2685 VNET_SW_INTERFACE_ADD_DEL_FUNCTION (acl_sw_interface_add_del);
2689 static clib_error_t *
2690 acl_set_aclplugin_fn (vlib_main_t * vm,
2691 unformat_input_t * input, vlib_cli_command_t * cmd)
2693 clib_error_t *error = 0;
2697 uword memory_size = 0;
2698 acl_main_t *am = &acl_main;
2700 if (unformat (input, "skip-ipv6-extension-header %u %u", &eh_val, &val))
2702 if (!acl_set_skip_ipv6_eh (eh_val, val))
2704 error = clib_error_return (0, "expecting eh=0..255, value=0..1");
2708 if (unformat (input, "use-hash-acl-matching %u", &val))
2710 am->use_hash_acl_matching = (val != 0);
2713 if (unformat (input, "l4-match-nonfirst-fragment %u", &val))
2715 am->l4_match_nonfirst_fragment = (val != 0);
2718 if (unformat (input, "reclassify-sessions %u", &val))
2720 am->reclassify_sessions = (val != 0);
2723 if (unformat (input, "event-trace"))
2725 if (!unformat (input, "%u", &val))
2727 error = clib_error_return (0,
2728 "expecting trace level, got `%U`",
2729 format_unformat_error, input);
2734 am->trace_acl = val;
2738 if (unformat (input, "heap"))
2740 if (unformat (input, "main"))
2742 if (unformat (input, "validate %u", &val))
2743 acl_plugin_acl_set_validate_heap (am, val);
2744 else if (unformat (input, "trace %u", &val))
2745 acl_plugin_acl_set_trace_heap (am, val);
2748 else if (unformat (input, "hash"))
2750 if (unformat (input, "validate %u", &val))
2751 acl_plugin_hash_acl_set_validate_heap (val);
2752 else if (unformat (input, "trace %u", &val))
2753 acl_plugin_hash_acl_set_trace_heap (val);
2758 if (unformat (input, "session"))
2760 if (unformat (input, "table"))
2762 /* The commands here are for tuning/testing. No user-serviceable parts inside */
2763 if (unformat (input, "max-entries"))
2765 if (!unformat (input, "%u", &val))
2767 error = clib_error_return (0,
2768 "expecting maximum number of entries, got `%U`",
2769 format_unformat_error, input);
2774 acl_set_session_max_entries (val);
2778 if (unformat (input, "hash-table-buckets"))
2780 if (!unformat (input, "%u", &val))
2782 error = clib_error_return (0,
2783 "expecting maximum number of hash table buckets, got `%U`",
2784 format_unformat_error, input);
2789 am->fa_conn_table_hash_num_buckets = val;
2793 if (unformat (input, "hash-table-memory"))
2795 if (!unformat (input, "%U", unformat_memory_size, &memory_size))
2797 error = clib_error_return (0,
2798 "expecting maximum amount of hash table memory, got `%U`",
2799 format_unformat_error, input);
2804 am->fa_conn_table_hash_memory_size = memory_size;
2808 if (unformat (input, "event-trace"))
2810 if (!unformat (input, "%u", &val))
2812 error = clib_error_return (0,
2813 "expecting trace level, got `%U`",
2814 format_unformat_error, input);
2819 am->trace_sessions = val;
2825 if (unformat (input, "timeout"))
2827 if (unformat (input, "udp"))
2829 if (unformat (input, "idle"))
2831 if (!unformat (input, "%u", &timeout))
2833 error = clib_error_return (0,
2834 "expecting timeout value in seconds, got `%U`",
2835 format_unformat_error,
2841 acl_set_timeout_sec (ACL_TIMEOUT_UDP_IDLE, timeout);
2846 if (unformat (input, "tcp"))
2848 if (unformat (input, "idle"))
2850 if (!unformat (input, "%u", &timeout))
2852 error = clib_error_return (0,
2853 "expecting timeout value in seconds, got `%U`",
2854 format_unformat_error,
2860 acl_set_timeout_sec (ACL_TIMEOUT_TCP_IDLE, timeout);
2864 if (unformat (input, "transient"))
2866 if (!unformat (input, "%u", &timeout))
2868 error = clib_error_return (0,
2869 "expecting timeout value in seconds, got `%U`",
2870 format_unformat_error,
2876 acl_set_timeout_sec (ACL_TIMEOUT_TCP_TRANSIENT,
2890 my_format_mac_address (u8 * s, va_list * args)
2892 u8 *a = va_arg (*args, u8 *);
2893 return format (s, "%02x:%02x:%02x:%02x:%02x:%02x",
2894 a[0], a[1], a[2], a[3], a[4], a[5]);
2898 my_macip_acl_rule_t_pretty_format (u8 * out, va_list * args)
2900 macip_acl_rule_t *a = va_arg (*args, macip_acl_rule_t *);
2902 out = format (out, "%s action %d ip %U/%d mac %U mask %U",
2903 a->is_ipv6 ? "ipv6" : "ipv4", a->is_permit,
2904 format_ip46_address, &a->src_ip_addr,
2905 a->is_ipv6 ? IP46_TYPE_IP6 : IP46_TYPE_IP4,
2907 my_format_mac_address, a->src_mac,
2908 my_format_mac_address, a->src_mac_mask);
2913 macip_acl_print (acl_main_t * am, u32 macip_acl_index)
2915 vlib_main_t *vm = am->vlib_main;
2918 /* Don't try to print someone else's memory */
2919 if (macip_acl_index >= vec_len (am->macip_acls))
2922 macip_acl_list_t *a = vec_elt_at_index (am->macip_acls, macip_acl_index);
2923 int free_pool_slot = pool_is_free_index (am->macip_acls, macip_acl_index);
2925 vlib_cli_output (vm,
2926 "MACIP acl_index: %d, count: %d (true len %d) tag {%s} is free pool slot: %d\n",
2927 macip_acl_index, a->count, vec_len (a->rules), a->tag,
2929 vlib_cli_output (vm,
2930 " ip4_table_index %d, ip6_table_index %d, l2_table_index %d\n",
2931 a->ip4_table_index, a->ip6_table_index, a->l2_table_index);
2932 vlib_cli_output (vm,
2933 " out_ip4_table_index %d, out_ip6_table_index %d, out_l2_table_index %d\n",
2934 a->out_ip4_table_index, a->out_ip6_table_index,
2935 a->out_l2_table_index);
2936 for (i = 0; i < vec_len (a->rules); i++)
2937 vlib_cli_output (vm, " rule %d: %U\n", i,
2938 my_macip_acl_rule_t_pretty_format,
2939 vec_elt_at_index (a->rules, i));
2943 static clib_error_t *
2944 acl_show_aclplugin_macip_acl_fn (vlib_main_t * vm,
2946 input, vlib_cli_command_t * cmd)
2948 clib_error_t *error = 0;
2949 acl_main_t *am = &acl_main;
2953 (void) unformat (input, "index %u", &acl_index);
2955 for (i = 0; i < vec_len (am->macip_acls); i++)
2957 /* Don't attempt to show the ACLs that do not exist */
2958 if (pool_is_free_index (am->macip_acls, i))
2961 if ((acl_index != ~0) && (acl_index != i))
2966 macip_acl_print (am, i);
2967 if (i < vec_len (am->sw_if_index_vec_by_macip_acl))
2969 vlib_cli_output (vm, " applied on sw_if_index(s): %U\n",
2971 vec_elt (am->sw_if_index_vec_by_macip_acl, i),
2979 static clib_error_t *
2980 acl_show_aclplugin_macip_interface_fn (vlib_main_t * vm,
2982 input, vlib_cli_command_t * cmd)
2984 clib_error_t *error = 0;
2985 acl_main_t *am = &acl_main;
2987 for (i = 0; i < vec_len (am->macip_acl_by_sw_if_index); i++)
2989 vlib_cli_output (vm, " sw_if_index %d: %d\n", i,
2990 vec_elt (am->macip_acl_by_sw_if_index, i));
2996 acl_plugin_show_acl (acl_main_t * am, u32 acl_index)
2999 vlib_main_t *vm = am->vlib_main;
3001 for (i = 0; i < vec_len (am->acls); i++)
3003 if (acl_is_not_defined (am, i))
3005 /* don't attempt to show the ACLs that do not exist */
3008 if ((acl_index != ~0) && (acl_index != i))
3012 acl_print_acl (vm, am, i);
3014 if (i < vec_len (am->input_sw_if_index_vec_by_acl))
3016 vlib_cli_output (vm, " applied inbound on sw_if_index: %U\n",
3017 format_vec32, am->input_sw_if_index_vec_by_acl[i],
3020 if (i < vec_len (am->output_sw_if_index_vec_by_acl))
3022 vlib_cli_output (vm, " applied outbound on sw_if_index: %U\n",
3023 format_vec32, am->output_sw_if_index_vec_by_acl[i],
3026 if (i < vec_len (am->lc_index_vec_by_acl))
3028 vlib_cli_output (vm, " used in lookup context index: %U\n",
3029 format_vec32, am->lc_index_vec_by_acl[i], "%d");
3034 static clib_error_t *
3035 acl_show_aclplugin_acl_fn (vlib_main_t * vm,
3036 unformat_input_t * input, vlib_cli_command_t * cmd)
3038 clib_error_t *error = 0;
3039 acl_main_t *am = &acl_main;
3042 (void) unformat (input, "index %u", &acl_index);
3044 acl_plugin_show_acl (am, acl_index);
3048 static clib_error_t *
3049 acl_show_aclplugin_lookup_context_fn (vlib_main_t * vm,
3050 unformat_input_t * input,
3051 vlib_cli_command_t * cmd)
3053 clib_error_t *error = 0;
3056 (void) unformat (input, "index %u", &lc_index);
3058 acl_plugin_show_lookup_context (lc_index);
3062 static clib_error_t *
3063 acl_show_aclplugin_lookup_user_fn (vlib_main_t * vm,
3064 unformat_input_t * input,
3065 vlib_cli_command_t * cmd)
3067 clib_error_t *error = 0;
3070 (void) unformat (input, "index %u", &lc_index);
3072 acl_plugin_show_lookup_user (lc_index);
3078 acl_plugin_show_interface (acl_main_t * am, u32 sw_if_index, int show_acl,
3081 vlib_main_t *vm = am->vlib_main;
3084 for (swi = 0; (swi < vec_len (am->input_acl_vec_by_sw_if_index)) ||
3085 (swi < vec_len (am->output_acl_vec_by_sw_if_index)); swi++)
3087 /* if we need a particular interface, skip all the others */
3088 if ((sw_if_index != ~0) && (sw_if_index != swi))
3091 vlib_cli_output (vm, "sw_if_index %d:\n", swi);
3092 if (swi < vec_len (am->input_policy_epoch_by_sw_if_index))
3093 vlib_cli_output (vm, " input policy epoch: %x\n",
3094 vec_elt (am->input_policy_epoch_by_sw_if_index,
3096 if (swi < vec_len (am->output_policy_epoch_by_sw_if_index))
3097 vlib_cli_output (vm, " output policy epoch: %x\n",
3098 vec_elt (am->output_policy_epoch_by_sw_if_index,
3102 if (intf_has_etype_whitelist (am, swi, 1))
3104 vlib_cli_output (vm, " input etype whitelist: %U", format_vec16,
3105 am->input_etype_whitelist_by_sw_if_index[swi],
3108 if (intf_has_etype_whitelist (am, swi, 0))
3110 vlib_cli_output (vm, " output etype whitelist: %U", format_vec16,
3111 am->output_etype_whitelist_by_sw_if_index[swi],
3115 if ((swi < vec_len (am->input_acl_vec_by_sw_if_index)) &&
3116 (vec_len (am->input_acl_vec_by_sw_if_index[swi]) > 0))
3118 vlib_cli_output (vm, " input acl(s): %U", format_vec32,
3119 am->input_acl_vec_by_sw_if_index[swi], "%d");
3122 vlib_cli_output (vm, "\n");
3123 vec_foreach (pj, am->input_acl_vec_by_sw_if_index[swi])
3125 acl_print_acl (vm, am, *pj);
3127 vlib_cli_output (vm, "\n");
3131 if ((swi < vec_len (am->output_acl_vec_by_sw_if_index)) &&
3132 (vec_len (am->output_acl_vec_by_sw_if_index[swi]) > 0))
3134 vlib_cli_output (vm, " output acl(s): %U", format_vec32,
3135 am->output_acl_vec_by_sw_if_index[swi], "%d");
3138 vlib_cli_output (vm, "\n");
3139 vec_foreach (pj, am->output_acl_vec_by_sw_if_index[swi])
3141 acl_print_acl (vm, am, *pj);
3143 vlib_cli_output (vm, "\n");
3146 if (detail && (swi < vec_len (am->input_lc_index_by_sw_if_index)))
3148 vlib_cli_output (vm, " input lookup context index: %d",
3149 am->input_lc_index_by_sw_if_index[swi]);
3151 if (detail && (swi < vec_len (am->output_lc_index_by_sw_if_index)))
3153 vlib_cli_output (vm, " output lookup context index: %d",
3154 am->output_lc_index_by_sw_if_index[swi]);
3161 static clib_error_t *
3162 acl_show_aclplugin_decode_5tuple_fn (vlib_main_t * vm,
3163 unformat_input_t * input,
3164 vlib_cli_command_t * cmd)
3166 clib_error_t *error = 0;
3167 u64 five_tuple[6] = { 0, 0, 0, 0, 0, 0 };
3170 (input, "%llx %llx %llx %llx %llx %llx", &five_tuple[0], &five_tuple[1],
3171 &five_tuple[2], &five_tuple[3], &five_tuple[4], &five_tuple[5]))
3172 vlib_cli_output (vm, "5-tuple structure decode: %U\n\n",
3173 format_acl_plugin_5tuple, five_tuple);
3175 error = clib_error_return (0, "expecting 6 hex integers");
3180 static clib_error_t *
3181 acl_show_aclplugin_interface_fn (vlib_main_t * vm,
3183 input, vlib_cli_command_t * cmd)
3185 clib_error_t *error = 0;
3186 acl_main_t *am = &acl_main;
3188 u32 sw_if_index = ~0;
3189 (void) unformat (input, "sw_if_index %u", &sw_if_index);
3190 int show_acl = unformat (input, "acl");
3191 int detail = unformat (input, "detail");
3193 acl_plugin_show_interface (am, sw_if_index, show_acl, detail);
3197 static clib_error_t *
3198 acl_show_aclplugin_memory_fn (vlib_main_t * vm,
3199 unformat_input_t * input,
3200 vlib_cli_command_t * cmd)
3202 clib_error_t *error = 0;
3203 acl_main_t *am = &acl_main;
3205 vlib_cli_output (vm, "ACL plugin main heap statistics:\n");
3208 vlib_cli_output (vm, " %U\n", format_mheap, am->acl_mheap, 1);
3212 vlib_cli_output (vm, " Not initialized\n");
3214 vlib_cli_output (vm, "ACL hash lookup support heap statistics:\n");
3215 if (am->hash_lookup_mheap)
3217 vlib_cli_output (vm, " %U\n", format_mheap, am->hash_lookup_mheap, 1);
3221 vlib_cli_output (vm, " Not initialized\n");
3227 acl_plugin_show_sessions (acl_main_t * am,
3228 u32 show_session_thread_id,
3229 u32 show_session_session_index)
3231 vlib_main_t *vm = am->vlib_main;
3233 vnet_interface_main_t *im = &am->vnet_main->interface_main;
3234 vnet_sw_interface_t *swif;
3235 u64 now = clib_cpu_time_now ();
3236 u64 clocks_per_second = am->vlib_main->clib_time.clocks_per_second;
3239 u64 n_adds = am->fa_session_total_adds;
3240 u64 n_dels = am->fa_session_total_dels;
3241 u64 n_deact = am->fa_session_total_deactivations;
3242 vlib_cli_output (vm, "Sessions total: add %lu - del %lu = %lu", n_adds,
3243 n_dels, n_adds - n_dels);
3244 vlib_cli_output (vm, "Sessions active: add %lu - deact %lu = %lu", n_adds,
3245 n_deact, n_adds - n_deact);
3246 vlib_cli_output (vm, "Sessions being purged: deact %lu - del %lu = %lu",
3247 n_deact, n_dels, n_deact - n_dels);
3249 vlib_cli_output (vm, "now: %lu clocks per second: %lu", now,
3251 vlib_cli_output (vm, "\n\nPer-thread data:");
3252 for (wk = 0; wk < vec_len (am->per_worker_data); wk++)
3254 acl_fa_per_worker_data_t *pw = &am->per_worker_data[wk];
3255 vlib_cli_output (vm, "Thread #%d:", wk);
3256 if (show_session_thread_id == wk
3257 && show_session_session_index < pool_len (pw->fa_sessions_pool))
3259 vlib_cli_output (vm, " session index %u:",
3260 show_session_session_index);
3261 fa_session_t *sess =
3262 pw->fa_sessions_pool + show_session_session_index;
3263 u64 *m = (u64 *) & sess->info;
3264 vlib_cli_output (vm,
3265 " info: %016llx %016llx %016llx %016llx %016llx %016llx",
3266 m[0], m[1], m[2], m[3], m[4], m[5]);
3267 vlib_cli_output (vm, " sw_if_index: %u", sess->sw_if_index);
3268 vlib_cli_output (vm, " tcp_flags_seen: %x",
3269 sess->tcp_flags_seen.as_u16);
3270 vlib_cli_output (vm, " last active time: %lu",
3271 sess->last_active_time);
3272 vlib_cli_output (vm, " thread index: %u", sess->thread_index);
3273 vlib_cli_output (vm, " link enqueue time: %lu",
3274 sess->link_enqueue_time);
3275 vlib_cli_output (vm, " link next index: %u",
3276 sess->link_next_idx);
3277 vlib_cli_output (vm, " link prev index: %u",
3278 sess->link_prev_idx);
3279 vlib_cli_output (vm, " link list id: %u", sess->link_list_id);
3281 vlib_cli_output (vm, " connection add/del stats:", wk);
3282 pool_foreach (swif, im->sw_interfaces, (
3289 (pw->fa_session_adds_by_sw_if_index)
3291 pw->fa_session_adds_by_sw_if_index
3296 (pw->fa_session_dels_by_sw_if_index)
3298 pw->fa_session_dels_by_sw_if_index
3300 u64 n_epoch_changes =
3303 (pw->fa_session_epoch_change_by_sw_if_index)
3305 pw->fa_session_epoch_change_by_sw_if_index
3307 vlib_cli_output (vm,
3308 " sw_if_index %d: add %lu - del %lu = %lu; epoch chg: %lu",
3318 vlib_cli_output (vm, " connection timeout type lists:", wk);
3320 for (tt = 0; tt < ACL_N_TIMEOUTS; tt++)
3322 u32 head_session_index = pw->fa_conn_list_head[tt];
3323 vlib_cli_output (vm, " fa_conn_list_head[%d]: %d", tt,
3324 head_session_index);
3325 if (~0 != head_session_index)
3327 fa_session_t *sess = pw->fa_sessions_pool + head_session_index;
3328 vlib_cli_output (vm, " last active time: %lu",
3329 sess->last_active_time);
3330 vlib_cli_output (vm, " link enqueue time: %lu",
3331 sess->link_enqueue_time);
3335 vlib_cli_output (vm, " Next expiry time: %lu", pw->next_expiry_time);
3336 vlib_cli_output (vm, " Requeue until time: %lu",
3337 pw->requeue_until_time);
3338 vlib_cli_output (vm, " Current time wait interval: %lu",
3339 pw->current_time_wait_interval);
3340 vlib_cli_output (vm, " Count of deleted sessions: %lu",
3341 pw->cnt_deleted_sessions);
3342 vlib_cli_output (vm, " Delete already deleted: %lu",
3343 pw->cnt_already_deleted_sessions);
3344 vlib_cli_output (vm, " Session timers restarted: %lu",
3345 pw->cnt_session_timer_restarted);
3346 vlib_cli_output (vm, " Swipe until this time: %lu",
3347 pw->swipe_end_time);
3348 vlib_cli_output (vm, " sw_if_index serviced bitmap: %U",
3349 format_bitmap_hex, pw->serviced_sw_if_index_bitmap);
3350 vlib_cli_output (vm, " pending clear intfc bitmap : %U",
3352 pw->pending_clear_sw_if_index_bitmap);
3353 vlib_cli_output (vm, " clear in progress: %u", pw->clear_in_process);
3354 vlib_cli_output (vm, " interrupt is pending: %d",
3355 pw->interrupt_is_pending);
3356 vlib_cli_output (vm, " interrupt is needed: %d",
3357 pw->interrupt_is_needed);
3358 vlib_cli_output (vm, " interrupt is unwanted: %d",
3359 pw->interrupt_is_unwanted);
3360 vlib_cli_output (vm, " interrupt generation: %d",
3361 pw->interrupt_generation);
3362 vlib_cli_output (vm, " received session change requests: %d",
3363 pw->rcvd_session_change_requests);
3364 vlib_cli_output (vm, " sent session change requests: %d",
3365 pw->sent_session_change_requests);
3367 vlib_cli_output (vm, "\n\nConn cleaner thread counters:");
3368 #define _(cnt, desc) vlib_cli_output(vm, " %20lu: %s", am->cnt, desc);
3369 foreach_fa_cleaner_counter;
3371 vlib_cli_output (vm, "Interrupt generation: %d",
3372 am->fa_interrupt_generation);
3373 vlib_cli_output (vm,
3374 "Sessions per interval: min %lu max %lu increment: %f ms current: %f ms",
3375 am->fa_min_deleted_sessions_per_interval,
3376 am->fa_max_deleted_sessions_per_interval,
3377 am->fa_cleaner_wait_time_increment * 1000.0,
3378 ((f64) am->fa_current_cleaner_timer_wait_interval) *
3379 1000.0 / (f64) vm->clib_time.clocks_per_second);
3380 vlib_cli_output (vm, "Reclassify sessions: %d", am->reclassify_sessions);
3383 static clib_error_t *
3384 acl_show_aclplugin_sessions_fn (vlib_main_t * vm,
3385 unformat_input_t * input,
3386 vlib_cli_command_t * cmd)
3388 clib_error_t *error = 0;
3389 acl_main_t *am = &acl_main;
3391 u32 show_bihash_verbose = 0;
3392 u32 show_session_thread_id = ~0;
3393 u32 show_session_session_index = ~0;
3394 (void) unformat (input, "thread %u index %u", &show_session_thread_id,
3395 &show_session_session_index);
3396 (void) unformat (input, "verbose %u", &show_bihash_verbose);
3398 acl_plugin_show_sessions (am, show_session_thread_id,
3399 show_session_session_index);
3400 show_fa_sessions_hash (vm, show_bihash_verbose);
3404 static clib_error_t *
3405 acl_show_aclplugin_tables_fn (vlib_main_t * vm,
3406 unformat_input_t * input,
3407 vlib_cli_command_t * cmd)
3409 clib_error_t *error = 0;
3413 int show_acl_hash_info = 0;
3414 int show_applied_info = 0;
3415 int show_mask_type = 0;
3416 int show_bihash = 0;
3417 u32 show_bihash_verbose = 0;
3419 if (unformat (input, "acl"))
3421 show_acl_hash_info = 1;
3422 /* mask-type is handy to see as well right there */
3424 unformat (input, "index %u", &acl_index);
3426 else if (unformat (input, "applied"))
3428 show_applied_info = 1;
3429 unformat (input, "lc_index %u", &lc_index);
3431 else if (unformat (input, "mask"))
3435 else if (unformat (input, "hash"))
3438 unformat (input, "verbose %u", &show_bihash_verbose);
3442 (show_mask_type || show_acl_hash_info || show_applied_info
3445 /* if no qualifiers specified, show all */
3447 show_acl_hash_info = 1;
3448 show_applied_info = 1;
3451 vlib_cli_output (vm, "Stats counters enabled for interface ACLs: %d",
3452 acl_main.interface_acl_counters_enabled);
3454 acl_plugin_show_tables_mask_type ();
3455 if (show_acl_hash_info)
3456 acl_plugin_show_tables_acl_hash_info (acl_index);
3457 if (show_applied_info)
3458 acl_plugin_show_tables_applied_info (lc_index);
3460 acl_plugin_show_tables_bihash (show_bihash_verbose);
3465 static clib_error_t *
3466 acl_clear_aclplugin_fn (vlib_main_t * vm,
3467 unformat_input_t * input, vlib_cli_command_t * cmd)
3469 clib_error_t *error = 0;
3470 acl_main_t *am = &acl_main;
3471 vlib_process_signal_event (am->vlib_main, am->fa_cleaner_node_index,
3472 ACL_FA_CLEANER_DELETE_BY_SW_IF_INDEX, ~0);
3477 VLIB_CLI_COMMAND (aclplugin_set_command, static) = {
3478 .path = "set acl-plugin",
3479 .short_help = "set acl-plugin session timeout {{udp idle}|tcp {idle|transient}} <seconds>",
3480 .function = acl_set_aclplugin_fn,
3483 VLIB_CLI_COMMAND (aclplugin_show_acl_command, static) = {
3484 .path = "show acl-plugin acl",
3485 .short_help = "show acl-plugin acl [index N]",
3486 .function = acl_show_aclplugin_acl_fn,
3489 VLIB_CLI_COMMAND (aclplugin_show_lookup_context_command, static) = {
3490 .path = "show acl-plugin lookup context",
3491 .short_help = "show acl-plugin lookup context [index N]",
3492 .function = acl_show_aclplugin_lookup_context_fn,
3495 VLIB_CLI_COMMAND (aclplugin_show_lookup_user_command, static) = {
3496 .path = "show acl-plugin lookup user",
3497 .short_help = "show acl-plugin lookup user [index N]",
3498 .function = acl_show_aclplugin_lookup_user_fn,
3501 VLIB_CLI_COMMAND (aclplugin_show_decode_5tuple_command, static) = {
3502 .path = "show acl-plugin decode 5tuple",
3503 .short_help = "show acl-plugin decode 5tuple XXXX XXXX XXXX XXXX XXXX XXXX",
3504 .function = acl_show_aclplugin_decode_5tuple_fn,
3507 VLIB_CLI_COMMAND (aclplugin_show_interface_command, static) = {
3508 .path = "show acl-plugin interface",
3509 .short_help = "show acl-plugin interface [sw_if_index N] [acl]",
3510 .function = acl_show_aclplugin_interface_fn,
3513 VLIB_CLI_COMMAND (aclplugin_show_memory_command, static) = {
3514 .path = "show acl-plugin memory",
3515 .short_help = "show acl-plugin memory",
3516 .function = acl_show_aclplugin_memory_fn,
3519 VLIB_CLI_COMMAND (aclplugin_show_sessions_command, static) = {
3520 .path = "show acl-plugin sessions",
3521 .short_help = "show acl-plugin sessions",
3522 .function = acl_show_aclplugin_sessions_fn,
3525 VLIB_CLI_COMMAND (aclplugin_show_tables_command, static) = {
3526 .path = "show acl-plugin tables",
3527 .short_help = "show acl-plugin tables [ acl [index N] | applied [ lc_index N ] | mask | hash [verbose N] ]",
3528 .function = acl_show_aclplugin_tables_fn,
3531 VLIB_CLI_COMMAND (aclplugin_show_macip_acl_command, static) = {
3532 .path = "show acl-plugin macip acl",
3533 .short_help = "show acl-plugin macip acl [index N]",
3534 .function = acl_show_aclplugin_macip_acl_fn,
3537 VLIB_CLI_COMMAND (aclplugin_show_macip_interface_command, static) = {
3538 .path = "show acl-plugin macip interface",
3539 .short_help = "show acl-plugin macip interface",
3540 .function = acl_show_aclplugin_macip_interface_fn,
3543 VLIB_CLI_COMMAND (aclplugin_clear_command, static) = {
3544 .path = "clear acl-plugin sessions",
3545 .short_help = "clear acl-plugin sessions",
3546 .function = acl_clear_aclplugin_fn,
3550 static clib_error_t *
3551 acl_plugin_config (vlib_main_t * vm, unformat_input_t * input)
3553 acl_main_t *am = &acl_main;
3554 u32 conn_table_hash_buckets;
3555 uword conn_table_hash_memory_size;
3556 u32 conn_table_max_entries;
3557 uword main_heap_size;
3558 uword hash_heap_size;
3559 u32 hash_lookup_hash_buckets;
3560 uword hash_lookup_hash_memory;
3561 u32 reclassify_sessions;
3562 u32 use_tuple_merge;
3563 u32 tuple_merge_split_threshold;
3565 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
3568 (input, "connection hash buckets %d", &conn_table_hash_buckets))
3569 am->fa_conn_table_hash_num_buckets = conn_table_hash_buckets;
3572 (input, "connection hash memory %U", unformat_memory_size,
3573 &conn_table_hash_memory_size))
3574 am->fa_conn_table_hash_memory_size = conn_table_hash_memory_size;
3575 else if (unformat (input, "connection count max %d",
3576 &conn_table_max_entries))
3577 am->fa_conn_table_max_entries = conn_table_max_entries;
3580 (input, "main heap size %U", unformat_memory_size,
3582 am->acl_mheap_size = main_heap_size;
3585 (input, "hash lookup heap size %U", unformat_memory_size,
3587 am->hash_lookup_mheap_size = hash_heap_size;
3588 else if (unformat (input, "hash lookup hash buckets %d",
3589 &hash_lookup_hash_buckets))
3590 am->hash_lookup_hash_buckets = hash_lookup_hash_buckets;
3593 (input, "hash lookup hash memory %U", unformat_memory_size,
3594 &hash_lookup_hash_memory))
3595 am->hash_lookup_hash_memory = hash_lookup_hash_memory;
3596 else if (unformat (input, "use tuple merge %d", &use_tuple_merge))
3597 am->use_tuple_merge = use_tuple_merge;
3600 (input, "tuple merge split threshold %d",
3601 &tuple_merge_split_threshold))
3602 am->tuple_merge_split_threshold = tuple_merge_split_threshold;
3604 else if (unformat (input, "reclassify sessions %d",
3605 &reclassify_sessions))
3606 am->reclassify_sessions = reclassify_sessions;
3609 return clib_error_return (0, "unknown input '%U'",
3610 format_unformat_error, input);
3615 VLIB_CONFIG_FUNCTION (acl_plugin_config, "acl-plugin");
3617 static clib_error_t *
3618 acl_init (vlib_main_t * vm)
3620 acl_main_t *am = &acl_main;
3621 clib_error_t *error = 0;
3622 clib_memset (am, 0, sizeof (*am));
3624 am->vnet_main = vnet_get_main ();
3625 am->log_default = vlib_log_register_class ("acl_plugin", 0);
3627 u8 *name = format (0, "acl_%08x%c", api_version, 0);
3629 /* Ask for a correctly-sized block of API message decode slots */
3630 am->msg_id_base = vl_msg_api_get_msg_ids ((char *) name,
3631 VL_MSG_FIRST_AVAILABLE);
3633 error = acl_plugin_api_hookup (vm);
3635 /* Add our API messages to the global name_crc hash table */
3636 setup_message_id_table (am, &api_main);
3643 error = acl_plugin_exports_init (&acl_plugin);
3648 am->acl_mheap_size = 0; /* auto size when initializing */
3649 am->hash_lookup_mheap_size = ACL_PLUGIN_HASH_LOOKUP_HEAP_SIZE;
3651 am->hash_lookup_hash_buckets = ACL_PLUGIN_HASH_LOOKUP_HASH_BUCKETS;
3652 am->hash_lookup_hash_memory = ACL_PLUGIN_HASH_LOOKUP_HASH_MEMORY;
3654 am->session_timeout_sec[ACL_TIMEOUT_TCP_TRANSIENT] =
3655 TCP_SESSION_TRANSIENT_TIMEOUT_SEC;
3656 am->session_timeout_sec[ACL_TIMEOUT_TCP_IDLE] =
3657 TCP_SESSION_IDLE_TIMEOUT_SEC;
3658 am->session_timeout_sec[ACL_TIMEOUT_UDP_IDLE] =
3659 UDP_SESSION_IDLE_TIMEOUT_SEC;
3661 am->fa_conn_table_hash_num_buckets =
3662 ACL_FA_CONN_TABLE_DEFAULT_HASH_NUM_BUCKETS;
3663 am->fa_conn_table_hash_memory_size =
3664 ACL_FA_CONN_TABLE_DEFAULT_HASH_MEMORY_SIZE;
3665 am->fa_conn_table_max_entries = ACL_FA_CONN_TABLE_DEFAULT_MAX_ENTRIES;
3666 am->reclassify_sessions = 0;
3667 vlib_thread_main_t *tm = vlib_get_thread_main ();
3669 am->fa_min_deleted_sessions_per_interval =
3670 ACL_FA_DEFAULT_MIN_DELETED_SESSIONS_PER_INTERVAL;
3671 am->fa_max_deleted_sessions_per_interval =
3672 ACL_FA_DEFAULT_MAX_DELETED_SESSIONS_PER_INTERVAL;
3673 am->fa_cleaner_wait_time_increment =
3674 ACL_FA_DEFAULT_CLEANER_WAIT_TIME_INCREMENT;
3676 vec_validate (am->per_worker_data, tm->n_vlib_mains - 1);
3679 for (wk = 0; wk < vec_len (am->per_worker_data); wk++)
3681 acl_fa_per_worker_data_t *pw = &am->per_worker_data[wk];
3682 if (tm->n_vlib_mains > 1)
3684 clib_spinlock_init (&pw->pending_session_change_request_lock);
3686 vec_validate (pw->expired,
3688 am->fa_max_deleted_sessions_per_interval);
3689 _vec_len (pw->expired) = 0;
3690 vec_validate_init_empty (pw->fa_conn_list_head, ACL_N_TIMEOUTS - 1,
3691 FA_SESSION_BOGUS_INDEX);
3692 vec_validate_init_empty (pw->fa_conn_list_tail, ACL_N_TIMEOUTS - 1,
3693 FA_SESSION_BOGUS_INDEX);
3694 vec_validate_init_empty (pw->fa_conn_list_head_expiry_time,
3695 ACL_N_TIMEOUTS - 1, ~0ULL);
3699 am->fa_cleaner_cnt_delete_by_sw_index = 0;
3700 am->fa_cleaner_cnt_delete_by_sw_index_ok = 0;
3701 am->fa_cleaner_cnt_unknown_event = 0;
3702 am->fa_cleaner_cnt_timer_restarted = 0;
3703 am->fa_cleaner_cnt_wait_with_timeout = 0;
3706 #define _(N, v, s) am->fa_ipv6_known_eh_bitmap = clib_bitmap_set(am->fa_ipv6_known_eh_bitmap, v, 1);
3709 am->l4_match_nonfirst_fragment = 1;
3711 /* use the new fancy hash-based matching */
3712 am->use_hash_acl_matching = 1;
3713 /* use tuplemerge by default */
3714 am->use_tuple_merge = 1;
3715 /* Set the default threshold */
3716 am->tuple_merge_split_threshold = TM_SPLIT_THRESHOLD;
3718 am->interface_acl_user_id =
3719 acl_plugin.register_user_module ("interface ACL", "sw_if_index",
3722 am->acl_counter_lock = clib_mem_alloc_aligned (CLIB_CACHE_LINE_BYTES,
3723 CLIB_CACHE_LINE_BYTES);
3724 am->acl_counter_lock[0] = 0; /* should be no need */
3729 VLIB_INIT_FUNCTION (acl_init);
3733 * fd.io coding-style-patch-verification: ON
3736 * eval: (c-set-style "gnu")