2 * Copyright (c) 2016 Cisco and/or its affiliates.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at:
7 * http://www.apache.org/licenses/LICENSE-2.0
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
18 #include <vnet/vnet.h>
19 #include <vnet/plugin/plugin.h>
22 #include <vnet/l2/l2_classify.h>
23 #include <vnet/l2/l2_in_out_feat_arc.h>
24 #include <vnet/classify/in_out_acl.h>
25 #include <vpp/app/version.h>
27 #include <vlibapi/api.h>
28 #include <vlibmemory/api.h>
30 /* define message IDs */
31 #include <acl/acl_msg_enum.h>
33 /* define message structures */
35 #include <acl/acl_all_api_h.h>
38 /* define generated endian-swappers */
40 #include <acl/acl_all_api_h.h>
43 /* instantiate all the print functions we know about */
44 #define vl_print(handle, ...) vlib_cli_output (handle, __VA_ARGS__)
46 #include <acl/acl_all_api_h.h>
49 /* Get the API version number */
50 #define vl_api_version(n,v) static u32 api_version=(v);
51 #include <acl/acl_all_api_h.h>
55 #include "public_inlines.h"
59 #define REPLY_MSG_ID_BASE am->msg_id_base
60 #include <vlibapi/api_helper_macros.h>
63 * The code for the bihash, used by the session management.
65 #include <vppinfra/bihash_40_8.h>
66 #include <vppinfra/bihash_template.h>
67 #include <vppinfra/bihash_template.c>
69 /* List of message types that this plugin understands */
71 #define foreach_acl_plugin_api_msg \
72 _(ACL_PLUGIN_GET_VERSION, acl_plugin_get_version) \
73 _(ACL_PLUGIN_CONTROL_PING, acl_plugin_control_ping) \
74 _(ACL_ADD_REPLACE, acl_add_replace) \
76 _(ACL_INTERFACE_ADD_DEL, acl_interface_add_del) \
77 _(ACL_INTERFACE_SET_ACL_LIST, acl_interface_set_acl_list) \
78 _(ACL_DUMP, acl_dump) \
79 _(ACL_INTERFACE_LIST_DUMP, acl_interface_list_dump) \
80 _(MACIP_ACL_ADD, macip_acl_add) \
81 _(MACIP_ACL_ADD_REPLACE, macip_acl_add_replace) \
82 _(MACIP_ACL_DEL, macip_acl_del) \
83 _(MACIP_ACL_INTERFACE_ADD_DEL, macip_acl_interface_add_del) \
84 _(MACIP_ACL_DUMP, macip_acl_dump) \
85 _(MACIP_ACL_INTERFACE_GET, macip_acl_interface_get) \
86 _(MACIP_ACL_INTERFACE_LIST_DUMP, macip_acl_interface_list_dump) \
87 _(ACL_INTERFACE_SET_ETYPE_WHITELIST, acl_interface_set_etype_whitelist) \
88 _(ACL_INTERFACE_ETYPE_WHITELIST_DUMP, acl_interface_etype_whitelist_dump) \
89 _(ACL_PLUGIN_GET_CONN_TABLE_MAX_ENTRIES,acl_plugin_get_conn_table_max_entries)
93 VLIB_PLUGIN_REGISTER () = {
94 .version = VPP_BUILD_VER,
95 .description = "Access Control Lists (ACL)",
99 /* methods exported from ACL-as-a-service */
100 static acl_plugin_methods_t acl_plugin;
104 format_vec16 (u8 * s, va_list * va)
106 u16 *v = va_arg (*va, u16 *);
107 char *fmt = va_arg (*va, char *);
109 for (i = 0; i < vec_len (v); i++)
112 s = format (s, ", ");
113 s = format (s, fmt, v[i]);
119 acl_set_heap (acl_main_t * am)
121 if (0 == am->acl_mheap)
123 if (0 == am->acl_mheap_size)
125 vlib_thread_main_t *tm = vlib_get_thread_main ();
126 u64 per_worker_slack = 1000000LL;
127 u64 per_worker_size =
129 ((u64) am->fa_conn_table_max_entries) * sizeof (fa_session_t);
130 u64 per_worker_size_with_slack = per_worker_slack + per_worker_size;
131 u64 main_slack = 2000000LL;
132 u64 bihash_size = (u64) am->fa_conn_table_hash_memory_size;
135 per_worker_size_with_slack * tm->n_vlib_mains + bihash_size +
138 u64 max_possible = ((uword) ~ 0);
139 if (am->acl_mheap_size > max_possible)
141 clib_warning ("ACL heap size requested: %lld, max possible %lld",
142 am->acl_mheap_size, max_possible);
145 am->acl_mheap = mheap_alloc_with_lock (0 /* use VM */ ,
148 if (0 == am->acl_mheap)
151 ("ACL plugin failed to allocate main heap of %U bytes, abort",
152 format_memory_size, am->acl_mheap_size);
155 void *oldheap = clib_mem_set_heap (am->acl_mheap);
160 acl_plugin_set_heap ()
162 acl_main_t *am = &acl_main;
163 return acl_set_heap (am);
167 acl_plugin_acl_set_validate_heap (acl_main_t * am, int on)
169 clib_mem_set_heap (acl_set_heap (am));
170 #if USE_DLMALLOC == 0
171 mheap_t *h = mheap_header (am->acl_mheap);
174 h->flags |= MHEAP_FLAG_VALIDATE;
175 h->flags &= ~MHEAP_FLAG_SMALL_OBJECT_CACHE;
180 h->flags &= ~MHEAP_FLAG_VALIDATE;
181 h->flags |= MHEAP_FLAG_SMALL_OBJECT_CACHE;
187 acl_plugin_acl_set_trace_heap (acl_main_t * am, int on)
189 clib_mem_set_heap (acl_set_heap (am));
190 #if USE_DLMALLOC == 0
191 mheap_t *h = mheap_header (am->acl_mheap);
194 h->flags |= MHEAP_FLAG_TRACE;
198 h->flags &= ~MHEAP_FLAG_TRACE;
204 vl_api_acl_plugin_get_version_t_handler (vl_api_acl_plugin_get_version_t * mp)
206 acl_main_t *am = &acl_main;
207 vl_api_acl_plugin_get_version_reply_t *rmp;
208 int msg_size = sizeof (*rmp);
209 vl_api_registration_t *reg;
211 reg = vl_api_client_index_to_registration (mp->client_index);
215 rmp = vl_msg_api_alloc (msg_size);
216 clib_memset (rmp, 0, msg_size);
218 ntohs (VL_API_ACL_PLUGIN_GET_VERSION_REPLY + am->msg_id_base);
219 rmp->context = mp->context;
220 rmp->major = htonl (ACL_PLUGIN_VERSION_MAJOR);
221 rmp->minor = htonl (ACL_PLUGIN_VERSION_MINOR);
223 vl_api_send_msg (reg, (u8 *) rmp);
227 vl_api_acl_plugin_control_ping_t_handler (vl_api_acl_plugin_control_ping_t *
230 vl_api_acl_plugin_control_ping_reply_t *rmp;
231 acl_main_t *am = &acl_main;
235 REPLY_MACRO2 (VL_API_ACL_PLUGIN_CONTROL_PING_REPLY,
237 rmp->vpe_pid = ntohl (getpid ());
243 print_clib_warning_and_reset (vlib_main_t * vm, u8 * out0)
245 clib_warning ("%v", out0);
246 vec_reset_length (out0);
250 print_cli_and_reset (vlib_main_t * vm, u8 * out0)
252 vlib_cli_output (vm, "%v", out0);
253 vec_reset_length (out0);
256 typedef void (*acl_vector_print_func_t) (vlib_main_t * vm, u8 * out0);
259 acl_print_acl_x (acl_vector_print_func_t vpr, vlib_main_t * vm,
260 acl_main_t * am, int acl_index)
263 acl_rule_t *acl_rules = am->acls[acl_index].rules;
264 u8 *out0 = format (0, "acl-index %u count %u tag {%s}\n", acl_index,
265 vec_len (acl_rules), am->acls[acl_index].tag);
268 for (j = 0; j < vec_len (acl_rules); j++)
271 out0 = format (out0, " %9d: %s ", j, r->is_ipv6 ? "ipv6" : "ipv4");
272 out0 = format_acl_action (out0, r->is_permit);
273 out0 = format (out0, " src %U/%d", format_ip46_address, &r->src,
274 r->is_ipv6 ? IP46_TYPE_IP6 : IP46_TYPE_IP4,
277 format (out0, " dst %U/%d", format_ip46_address, &r->dst,
278 r->is_ipv6 ? IP46_TYPE_IP6 : IP46_TYPE_IP4, r->dst_prefixlen);
279 out0 = format (out0, " proto %d", r->proto);
280 out0 = format (out0, " sport %d", r->src_port_or_type_first);
281 if (r->src_port_or_type_first != r->src_port_or_type_last)
283 out0 = format (out0, "-%d", r->src_port_or_type_last);
285 out0 = format (out0, " dport %d", r->dst_port_or_code_first);
286 if (r->dst_port_or_code_first != r->dst_port_or_code_last)
288 out0 = format (out0, "-%d", r->dst_port_or_code_last);
290 if (r->tcp_flags_mask || r->tcp_flags_value)
293 format (out0, " tcpflags %d mask %d", r->tcp_flags_value,
296 out0 = format (out0, "\n");
302 vl_api_acl_plugin_get_conn_table_max_entries_t_handler
303 (vl_api_acl_plugin_get_conn_table_max_entries_t * mp)
305 acl_main_t *am = &acl_main;
306 vl_api_acl_plugin_get_conn_table_max_entries_reply_t *rmp;
307 int msg_size = sizeof (*rmp);
308 vl_api_registration_t *rp;
310 rp = vl_api_client_index_to_registration (mp->client_index);
314 rmp = vl_msg_api_alloc (msg_size);
315 memset (rmp, 0, msg_size);
317 ntohs (VL_API_ACL_PLUGIN_GET_CONN_TABLE_MAX_ENTRIES_REPLY +
319 rmp->context = mp->context;
320 rmp->conn_table_max_entries = __bswap_64 (am->fa_conn_table_max_entries);
322 vl_api_send_msg (rp, (u8 *) rmp);
326 acl_print_acl (vlib_main_t * vm, acl_main_t * am, int acl_index)
328 acl_print_acl_x (print_cli_and_reset, vm, am, acl_index);
332 warning_acl_print_acl (vlib_main_t * vm, acl_main_t * am, int acl_index)
334 acl_print_acl_x (print_clib_warning_and_reset, vm, am, acl_index);
338 increment_policy_epoch (acl_main_t * am, u32 sw_if_index, int is_input)
341 u32 **ppolicy_epoch_by_swi =
342 is_input ? &am->input_policy_epoch_by_sw_if_index :
343 &am->output_policy_epoch_by_sw_if_index;
344 vec_validate (*ppolicy_epoch_by_swi, sw_if_index);
346 u32 *p_epoch = vec_elt_at_index ((*ppolicy_epoch_by_swi), sw_if_index);
348 ((1 + *p_epoch) & FA_POLICY_EPOCH_MASK) +
349 (is_input * FA_POLICY_EPOCH_IS_INPUT);
353 try_increment_acl_policy_epoch (acl_main_t * am, u32 acl_num, int is_input)
355 u32 ***p_swi_vec_by_acl = is_input ? &am->input_sw_if_index_vec_by_acl
356 : &am->output_sw_if_index_vec_by_acl;
357 if (acl_num < vec_len (*p_swi_vec_by_acl))
360 vec_foreach (p_swi, (*p_swi_vec_by_acl)[acl_num])
362 increment_policy_epoch (am, *p_swi, is_input);
369 policy_notify_acl_change (acl_main_t * am, u32 acl_num)
371 try_increment_acl_policy_epoch (am, acl_num, 0);
372 try_increment_acl_policy_epoch (am, acl_num, 1);
378 acl_add_list (u32 count, vl_api_acl_rule_t rules[],
379 u32 * acl_list_index, u8 * tag)
381 acl_main_t *am = &acl_main;
384 acl_rule_t *acl_new_rules = 0;
387 if (am->trace_acl > 255)
388 clib_warning ("API dbg: acl_add_list index %d tag %s", *acl_list_index,
391 if (*acl_list_index != ~0)
393 /* They supplied some number, let's see if this ACL exists */
394 if (pool_is_free_index (am->acls, *acl_list_index))
396 /* tried to replace a non-existent ACL, no point doing anything */
398 ("acl-plugin-error: Trying to replace nonexistent ACL %d (tag %s)",
399 *acl_list_index, tag);
400 return VNET_API_ERROR_NO_SUCH_ENTRY;
406 ("acl-plugin-warning: supplied no rules for ACL %d (tag %s)",
407 *acl_list_index, tag);
410 void *oldheap = acl_set_heap (am);
412 /* Create and populate the rules */
414 vec_validate (acl_new_rules, count - 1);
416 for (i = 0; i < count; i++)
418 r = vec_elt_at_index (acl_new_rules, i);
419 clib_memset (r, 0, sizeof (*r));
420 r->is_permit = rules[i].is_permit;
421 r->is_ipv6 = rules[i].is_ipv6;
424 memcpy (&r->src, rules[i].src_ip_addr, sizeof (r->src));
425 memcpy (&r->dst, rules[i].dst_ip_addr, sizeof (r->dst));
429 memcpy (&r->src.ip4, rules[i].src_ip_addr, sizeof (r->src.ip4));
430 memcpy (&r->dst.ip4, rules[i].dst_ip_addr, sizeof (r->dst.ip4));
432 r->src_prefixlen = rules[i].src_ip_prefix_len;
433 r->dst_prefixlen = rules[i].dst_ip_prefix_len;
434 r->proto = rules[i].proto;
435 r->src_port_or_type_first = ntohs (rules[i].srcport_or_icmptype_first);
436 r->src_port_or_type_last = ntohs (rules[i].srcport_or_icmptype_last);
437 r->dst_port_or_code_first = ntohs (rules[i].dstport_or_icmpcode_first);
438 r->dst_port_or_code_last = ntohs (rules[i].dstport_or_icmpcode_last);
439 r->tcp_flags_value = rules[i].tcp_flags_value;
440 r->tcp_flags_mask = rules[i].tcp_flags_mask;
443 if (~0 == *acl_list_index)
446 pool_get_aligned (am->acls, a, CLIB_CACHE_LINE_BYTES);
447 clib_memset (a, 0, sizeof (*a));
448 /* Will return the newly allocated ACL index */
449 *acl_list_index = a - am->acls;
453 a = am->acls + *acl_list_index;
454 /* Get rid of the old rules */
458 a->rules = acl_new_rules;
459 memcpy (a->tag, tag, sizeof (a->tag));
460 if (am->trace_acl > 255)
461 warning_acl_print_acl (am->vlib_main, am, *acl_list_index);
462 if (am->reclassify_sessions)
464 /* a change in an ACLs if they are applied may mean a new policy epoch */
465 policy_notify_acl_change (am, *acl_list_index);
468 /* notify the lookup contexts about the ACL changes */
469 acl_plugin_lookup_context_notify_acl_change (*acl_list_index);
470 clib_mem_set_heap (oldheap);
475 acl_is_used_by (u32 acl_index, u32 ** foo_index_vec_by_acl)
477 if (acl_index < vec_len (foo_index_vec_by_acl))
479 if (vec_len (vec_elt (foo_index_vec_by_acl, acl_index)) > 0)
481 /* ACL is applied somewhere. */
489 acl_del_list (u32 acl_list_index)
491 acl_main_t *am = &acl_main;
493 if (pool_is_free_index (am->acls, acl_list_index))
495 return VNET_API_ERROR_NO_SUCH_ENTRY;
497 if (acl_is_used_by (acl_list_index, am->input_sw_if_index_vec_by_acl))
498 return VNET_API_ERROR_ACL_IN_USE_INBOUND;
499 if (acl_is_used_by (acl_list_index, am->output_sw_if_index_vec_by_acl))
500 return VNET_API_ERROR_ACL_IN_USE_OUTBOUND;
501 /* lookup contexts cover other cases, not just inbound/outbound, so check that */
502 if (acl_is_used_by (acl_list_index, am->lc_index_vec_by_acl))
503 return VNET_API_ERROR_ACL_IN_USE_BY_LOOKUP_CONTEXT;
505 void *oldheap = acl_set_heap (am);
507 /* now we can delete the ACL itself */
508 a = pool_elt_at_index (am->acls, acl_list_index);
511 pool_put (am->acls, a);
512 /* acl_list_index is now free, notify the lookup contexts */
513 acl_plugin_lookup_context_notify_acl_change (acl_list_index);
514 clib_mem_set_heap (oldheap);
519 count_skip (u8 * p, u32 size)
521 u64 *p64 = (u64 *) p;
522 /* Be tolerant to null pointer */
526 while ((0ULL == *p64) && ((u8 *) p64 - p) < size)
530 return (p64 - (u64 *) p) / 2;
534 acl_classify_add_del_table_small (vnet_classify_main_t * cm, u8 * mask,
535 u32 mask_len, u32 next_table_index,
536 u32 miss_next_index, u32 * table_index,
540 u32 memory_size = 2 << 22;
541 u32 skip = count_skip (mask, mask_len);
542 u32 match = (mask_len / 16) - skip;
543 u8 *skip_mask_ptr = mask + 16 * skip;
544 u32 current_data_flag = 0;
545 int current_data_offset = 0;
550 void *oldheap = clib_mem_set_heap (cm->vlib_main->heap_base);
551 int ret = vnet_classify_add_del_table (cm, skip_mask_ptr, nbuckets,
552 memory_size, skip, match,
553 next_table_index, miss_next_index,
554 table_index, current_data_flag,
555 current_data_offset, is_add,
556 1 /* delete_chain */ );
557 clib_mem_set_heap (oldheap);
562 intf_has_etype_whitelist (acl_main_t * am, u32 sw_if_index, int is_input)
565 ? am->input_etype_whitelist_by_sw_if_index
566 : am->output_etype_whitelist_by_sw_if_index;
567 u16 *whitelist = (vec_len (v) > sw_if_index) ? vec_elt (v, sw_if_index) : 0;
568 return vec_len (whitelist) > 0;
572 acl_clear_sessions (acl_main_t * am, u32 sw_if_index)
574 void *oldheap = clib_mem_set_heap (am->vlib_main->heap_base);
575 vlib_process_signal_event (am->vlib_main, am->fa_cleaner_node_index,
576 ACL_FA_CLEANER_DELETE_BY_SW_IF_INDEX,
578 clib_mem_set_heap (oldheap);
583 acl_interface_in_enable_disable (acl_main_t * am, u32 sw_if_index,
589 if (pool_is_free_index (am->vnet_main->interface_main.sw_interfaces,
591 return VNET_API_ERROR_INVALID_SW_IF_INDEX;
593 if (clib_bitmap_get (am->in_acl_on_sw_if_index, sw_if_index) ==
597 acl_fa_enable_disable (sw_if_index, 1, enable_disable);
599 void *oldheap = clib_mem_set_heap (am->vlib_main->heap_base);
600 rv = vnet_l2_feature_enable_disable ("l2-input-ip4", "acl-plugin-in-ip4-l2",
601 sw_if_index, enable_disable, 0, 0);
603 clib_error ("Could not enable on input");
604 rv = vnet_l2_feature_enable_disable ("l2-input-ip6", "acl-plugin-in-ip6-l2",
605 sw_if_index, enable_disable, 0, 0);
607 clib_error ("Could not enable on input");
609 if (intf_has_etype_whitelist (am, sw_if_index, 1))
610 vnet_l2_feature_enable_disable ("l2-input-nonip",
611 "acl-plugin-in-nonip-l2", sw_if_index,
612 enable_disable, 0, 0);
614 clib_mem_set_heap (oldheap);
616 am->in_acl_on_sw_if_index =
617 clib_bitmap_set (am->in_acl_on_sw_if_index, sw_if_index, enable_disable);
623 acl_interface_out_enable_disable (acl_main_t * am, u32 sw_if_index,
629 if (pool_is_free_index (am->vnet_main->interface_main.sw_interfaces,
631 return VNET_API_ERROR_INVALID_SW_IF_INDEX;
633 if (clib_bitmap_get (am->out_acl_on_sw_if_index, sw_if_index) ==
637 acl_fa_enable_disable (sw_if_index, 0, enable_disable);
639 void *oldheap = clib_mem_set_heap (am->vlib_main->heap_base);
641 vnet_l2_feature_enable_disable ("l2-output-ip4", "acl-plugin-out-ip4-l2",
642 sw_if_index, enable_disable, 0, 0);
644 clib_error ("Could not enable on output");
646 vnet_l2_feature_enable_disable ("l2-output-ip6", "acl-plugin-out-ip6-l2",
647 sw_if_index, enable_disable, 0, 0);
649 clib_error ("Could not enable on output");
650 if (intf_has_etype_whitelist (am, sw_if_index, 0))
651 vnet_l2_feature_enable_disable ("l2-output-nonip",
652 "acl-plugin-out-nonip-l2", sw_if_index,
653 enable_disable, 0, 0);
656 clib_mem_set_heap (oldheap);
658 am->out_acl_on_sw_if_index =
659 clib_bitmap_set (am->out_acl_on_sw_if_index, sw_if_index, enable_disable);
665 acl_interface_inout_enable_disable (acl_main_t * am, u32 sw_if_index,
666 int is_input, int enable_disable)
669 return acl_interface_in_enable_disable (am, sw_if_index, enable_disable);
671 return acl_interface_out_enable_disable (am, sw_if_index, enable_disable);
675 acl_is_not_defined (acl_main_t * am, u32 acl_list_index)
677 return (pool_is_free_index (am->acls, acl_list_index));
681 acl_interface_set_inout_acl_list (acl_main_t * am, u32 sw_if_index,
682 u8 is_input, u32 * vec_acl_list_index,
683 int *may_clear_sessions)
686 uword *seen_acl_bitmap = 0;
687 uword *old_seen_acl_bitmap = 0;
688 uword *change_acl_bitmap = 0;
693 if (am->trace_acl > 255)
695 ("API dbg: acl_interface_set_inout_acl_list: sw_if_index %d is_input %d acl_vec: [%U]",
696 sw_if_index, is_input, format_vec32, vec_acl_list_index, "%d");
698 vec_foreach (pacln, vec_acl_list_index)
700 if (acl_is_not_defined (am, *pacln))
702 /* ACL is not defined. Can not apply */
703 clib_warning ("ERROR: ACL %d not defined", *pacln);
704 rv = VNET_API_ERROR_NO_SUCH_ENTRY;
707 if (clib_bitmap_get (seen_acl_bitmap, *pacln))
709 /* ACL being applied twice within the list. error. */
710 clib_warning ("ERROR: ACL %d being applied twice", *pacln);
711 rv = VNET_API_ERROR_ENTRY_ALREADY_EXISTS;
714 seen_acl_bitmap = clib_bitmap_set (seen_acl_bitmap, *pacln, 1);
718 u32 **pinout_lc_index_by_sw_if_index =
720 input_lc_index_by_sw_if_index : &am->output_lc_index_by_sw_if_index;
722 u32 ***pinout_acl_vec_by_sw_if_index =
724 input_acl_vec_by_sw_if_index : &am->output_acl_vec_by_sw_if_index;
726 u32 ***pinout_sw_if_index_vec_by_acl =
728 input_sw_if_index_vec_by_acl : &am->output_sw_if_index_vec_by_acl;
730 vec_validate ((*pinout_acl_vec_by_sw_if_index), sw_if_index);
732 clib_bitmap_validate (old_seen_acl_bitmap, 1);
734 vec_foreach (pacln, (*pinout_acl_vec_by_sw_if_index)[sw_if_index])
736 old_seen_acl_bitmap = clib_bitmap_set (old_seen_acl_bitmap, *pacln, 1);
739 clib_bitmap_dup_xor (old_seen_acl_bitmap, seen_acl_bitmap);
741 if (am->trace_acl > 255)
742 clib_warning ("bitmaps: old seen %U new seen %U changed %U",
743 format_bitmap_hex, old_seen_acl_bitmap, format_bitmap_hex,
744 seen_acl_bitmap, format_bitmap_hex, change_acl_bitmap);
747 clib_bitmap_foreach(acln, change_acl_bitmap, ({
748 if (clib_bitmap_get(old_seen_acl_bitmap, acln)) {
749 /* ACL is being removed. */
750 if (acln < vec_len((*pinout_sw_if_index_vec_by_acl))) {
751 int index = vec_search((*pinout_sw_if_index_vec_by_acl)[acln], sw_if_index);
752 vec_del1((*pinout_sw_if_index_vec_by_acl)[acln], index);
755 /* ACL is being added. */
756 vec_validate((*pinout_sw_if_index_vec_by_acl), acln);
757 vec_add1((*pinout_sw_if_index_vec_by_acl)[acln], sw_if_index);
762 vec_free ((*pinout_acl_vec_by_sw_if_index)[sw_if_index]);
763 (*pinout_acl_vec_by_sw_if_index)[sw_if_index] =
764 vec_dup (vec_acl_list_index);
766 if (am->reclassify_sessions)
768 /* re-applying ACLs means a new policy epoch */
769 increment_policy_epoch (am, sw_if_index, is_input);
773 /* if no commonalities between the ACL# - then we should definitely clear the sessions */
774 if (may_clear_sessions && *may_clear_sessions
775 && !clib_bitmap_is_zero (change_acl_bitmap))
777 acl_clear_sessions (am, sw_if_index);
778 *may_clear_sessions = 0;
783 * prepare or delete the lookup context if necessary, and if context exists, set ACL list
785 vec_validate_init_empty ((*pinout_lc_index_by_sw_if_index), sw_if_index,
787 if (vec_len (vec_acl_list_index) > 0)
789 u32 lc_index = (*pinout_lc_index_by_sw_if_index)[sw_if_index];
792 if (~0 == am->interface_acl_user_id)
793 am->interface_acl_user_id =
794 acl_plugin.register_user_module ("interface ACL", "sw_if_index",
797 acl_plugin.get_lookup_context_index (am->interface_acl_user_id,
798 sw_if_index, is_input);
799 (*pinout_lc_index_by_sw_if_index)[sw_if_index] = lc_index;
801 acl_plugin.set_acl_vec_for_context (lc_index, vec_acl_list_index);
805 if (~0 != (*pinout_lc_index_by_sw_if_index)[sw_if_index])
807 acl_plugin.put_lookup_context_index ((*pinout_lc_index_by_sw_if_index)[sw_if_index]);
808 (*pinout_lc_index_by_sw_if_index)[sw_if_index] = ~0;
812 /* ensure ACL processing is enabled/disabled as needed */
813 acl_interface_inout_enable_disable (am, sw_if_index, is_input,
814 vec_len (vec_acl_list_index) > 0);
817 clib_bitmap_free (change_acl_bitmap);
818 clib_bitmap_free (seen_acl_bitmap);
819 clib_bitmap_free (old_seen_acl_bitmap);
824 acl_interface_reset_inout_acls (u32 sw_if_index, u8 is_input,
825 int *may_clear_sessions)
827 acl_main_t *am = &acl_main;
828 void *oldheap = acl_set_heap (am);
829 acl_interface_set_inout_acl_list (am, sw_if_index, is_input, 0,
831 clib_mem_set_heap (oldheap);
835 acl_interface_add_del_inout_acl (u32 sw_if_index, u8 is_add, u8 is_input,
839 acl_main_t *am = &acl_main;
841 int may_clear_sessions = 1;
843 int error_already_applied = is_input ? VNET_API_ERROR_ACL_IN_USE_INBOUND
844 : VNET_API_ERROR_ACL_IN_USE_OUTBOUND;
846 u32 ***pinout_acl_vec_by_sw_if_index =
848 input_acl_vec_by_sw_if_index : &am->output_acl_vec_by_sw_if_index;
850 void *oldheap = acl_set_heap (am);
854 vec_validate ((*pinout_acl_vec_by_sw_if_index), sw_if_index);
855 u32 index = vec_search ((*pinout_acl_vec_by_sw_if_index)[sw_if_index],
860 rv = error_already_applied;
864 acl_vec = vec_dup ((*pinout_acl_vec_by_sw_if_index)[sw_if_index]);
865 vec_add1 (acl_vec, acl_list_index);
869 if (sw_if_index >= vec_len (*pinout_acl_vec_by_sw_if_index))
871 rv = VNET_API_ERROR_NO_SUCH_ENTRY;
875 u32 index = vec_search ((*pinout_acl_vec_by_sw_if_index)[sw_if_index],
880 rv = VNET_API_ERROR_NO_SUCH_ENTRY;
884 acl_vec = vec_dup ((*pinout_acl_vec_by_sw_if_index)[sw_if_index]);
885 vec_del1 (acl_vec, index);
888 rv = acl_interface_set_inout_acl_list (am, sw_if_index, is_input, acl_vec,
889 &may_clear_sessions);
892 clib_mem_set_heap (oldheap);
897 acl_set_etype_whitelists (acl_main_t * am, u32 sw_if_index, u16 * vec_in,
900 vec_validate (am->input_etype_whitelist_by_sw_if_index, sw_if_index);
901 vec_validate (am->output_etype_whitelist_by_sw_if_index, sw_if_index);
903 vec_free (am->input_etype_whitelist_by_sw_if_index[sw_if_index]);
904 vec_free (am->output_etype_whitelist_by_sw_if_index[sw_if_index]);
906 am->input_etype_whitelist_by_sw_if_index[sw_if_index] = vec_in;
907 am->output_etype_whitelist_by_sw_if_index[sw_if_index] = vec_out;
910 * if there are already inbound/outbound ACLs applied, toggle the
911 * enable/disable - this will recreate the necessary tables.
914 if (vec_len (am->input_acl_vec_by_sw_if_index) > sw_if_index)
916 if (vec_len (am->input_acl_vec_by_sw_if_index[sw_if_index]) > 0)
918 acl_interface_in_enable_disable (am, sw_if_index, 0);
919 acl_interface_in_enable_disable (am, sw_if_index, 1);
922 if (vec_len (am->output_acl_vec_by_sw_if_index) > sw_if_index)
924 if (vec_len (am->output_acl_vec_by_sw_if_index[sw_if_index]) > 0)
926 acl_interface_out_enable_disable (am, sw_if_index, 0);
927 acl_interface_out_enable_disable (am, sw_if_index, 1);
943 u32 dot1q_table_index;
944 u32 dot1ad_table_index;
945 u32 arp_dot1q_table_index;
946 u32 arp_dot1ad_table_index;
949 u32 out_arp_table_index;
950 u32 out_dot1q_table_index;
951 u32 out_dot1ad_table_index;
952 u32 out_arp_dot1q_table_index;
953 u32 out_arp_dot1ad_table_index;
954 } macip_match_type_t;
957 macip_find_match_type (macip_match_type_t * mv, u8 * mac_mask, u8 prefix_len,
963 for (i = 0; i < vec_len (mv); i++)
965 if ((mv[i].prefix_len == prefix_len) && (mv[i].is_ipv6 == is_ipv6)
966 && (0 == memcmp (mv[i].mac_mask, mac_mask, 6)))
976 /* Get metric used to sort match types.
977 The more specific and the more often seen - the bigger the metric */
979 match_type_metric (macip_match_type_t * m)
981 unsigned int mac_bits_set = 0;
982 unsigned int mac_byte;
984 for (i = 0; i < 6; i++)
986 mac_byte = m->mac_mask[i];
987 for (; mac_byte; mac_byte >>= 1)
988 mac_bits_set += mac_byte & 1;
991 * Attempt to place the more specific and the more used rules on top.
992 * There are obvious caveat corner cases to this, but they do not
993 * seem to be sensible in real world (e.g. specific IPv4 with wildcard MAC
994 * going with a wildcard IPv4 with a specific MAC).
996 return m->prefix_len + mac_bits_set + m->is_ipv6 + 10 * m->count;
1000 match_type_compare (macip_match_type_t * m1, macip_match_type_t * m2)
1002 /* Ascending sort based on the metric values */
1003 return match_type_metric (m1) - match_type_metric (m2);
1006 /* Get the offset of L3 source within ethernet packet */
1008 get_l3_src_offset (int is6)
1011 return (sizeof (ethernet_header_t) +
1012 offsetof (ip6_header_t, src_address));
1014 return (sizeof (ethernet_header_t) +
1015 offsetof (ip4_header_t, src_address));
1019 get_l3_dst_offset (int is6)
1022 return (sizeof (ethernet_header_t) +
1023 offsetof (ip6_header_t, dst_address));
1025 return (sizeof (ethernet_header_t) +
1026 offsetof (ip4_header_t, dst_address));
1030 * return if the is_permit value also requires to create the egress tables
1031 * For backwards compatibility, we keep the is_permit = 1 to only
1032 * create the ingress tables, and the new value of 3 will also
1033 * create the egress tables based on destination.
1036 macip_permit_also_egress (u8 is_permit)
1038 return (is_permit == 3);
1042 macip_create_classify_tables (acl_main_t * am, u32 macip_acl_index)
1044 macip_match_type_t *mvec = NULL;
1045 macip_match_type_t *mt;
1046 macip_acl_list_t *a = pool_elt_at_index (am->macip_acls, macip_acl_index);
1048 u32 match_type_index;
1052 vnet_classify_main_t *cm = &vnet_classify_main;
1054 /* Count the number of different types of rules */
1055 for (i = 0; i < a->count; i++)
1059 macip_find_match_type (mvec, a->rules[i].src_mac_mask,
1060 a->rules[i].src_prefixlen,
1061 a->rules[i].is_ipv6)))
1063 match_type_index = vec_len (mvec);
1064 vec_validate (mvec, match_type_index);
1065 memcpy (mvec[match_type_index].mac_mask,
1066 a->rules[i].src_mac_mask, 6);
1067 mvec[match_type_index].prefix_len = a->rules[i].src_prefixlen;
1068 mvec[match_type_index].is_ipv6 = a->rules[i].is_ipv6;
1069 mvec[match_type_index].has_egress = 0;
1070 mvec[match_type_index].table_index = ~0;
1071 mvec[match_type_index].arp_table_index = ~0;
1072 mvec[match_type_index].dot1q_table_index = ~0;
1073 mvec[match_type_index].dot1ad_table_index = ~0;
1074 mvec[match_type_index].arp_dot1q_table_index = ~0;
1075 mvec[match_type_index].arp_dot1ad_table_index = ~0;
1076 mvec[match_type_index].out_table_index = ~0;
1077 mvec[match_type_index].out_arp_table_index = ~0;
1078 mvec[match_type_index].out_dot1q_table_index = ~0;
1079 mvec[match_type_index].out_dot1ad_table_index = ~0;
1080 mvec[match_type_index].out_arp_dot1q_table_index = ~0;
1081 mvec[match_type_index].out_arp_dot1ad_table_index = ~0;
1083 mvec[match_type_index].count++;
1084 mvec[match_type_index].has_egress |=
1085 macip_permit_also_egress (a->rules[i].is_permit);
1087 /* Put the most frequently used tables last in the list so we can create classifier tables in reverse order */
1088 vec_sort_with_function (mvec, match_type_compare);
1089 /* Create the classifier tables */
1091 out_last_table = ~0;
1092 /* First add ARP tables */
1093 vec_foreach (mt, mvec)
1096 int is6 = mt->is_ipv6;
1098 u32 *last_tag_table;
1099 u32 *out_last_tag_table;
1106 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
1107 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
1108 | Destination Address |
1109 + +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
1111 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +
1113 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
1114 | EtherType | Hardware Type |
1115 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
1116 | Protocol Type | Hw addr len | Proto addr len|
1117 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
1119 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +
1120 | Sender Hardware Address |
1121 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
1122 | Sender Protocol Address |
1123 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
1124 | Target Hardware Address |
1125 + +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
1126 | | TargetProtocolAddress |
1127 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
1129 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
1131 for (tags = 2; tags >= 0; tags--)
1133 clib_memset (mask, 0, sizeof (mask));
1134 /* source MAC address */
1135 memcpy (&mask[6], mt->mac_mask, 6);
1141 clib_memset (&mask[12], 0xff, 2); /* ethernet protocol */
1143 last_tag_table = &mt->arp_table_index;
1146 clib_memset (&mask[12], 0xff, 2); /* VLAN tag1 */
1147 clib_memset (&mask[16], 0xff, 2); /* ethernet protocol */
1149 last_tag_table = &mt->arp_dot1q_table_index;
1152 clib_memset (&mask[12], 0xff, 2); /* VLAN tag1 */
1153 clib_memset (&mask[16], 0xff, 2); /* VLAN tag2 */
1154 clib_memset (&mask[20], 0xff, 2); /* ethernet protocol */
1156 last_tag_table = &mt->arp_dot1ad_table_index;
1160 /* sender hardware address within ARP */
1161 memcpy (&mask[l3_offset + 8], mt->mac_mask, 6);
1162 /* sender protocol address within ARP */
1163 for (i = 0; i < (mt->prefix_len / 8); i++)
1164 mask[l3_offset + 14 + i] = 0xff;
1165 if (mt->prefix_len % 8)
1166 mask[l3_offset + 14 + (mt->prefix_len / 8)] =
1167 0xff - ((1 << (8 - mt->prefix_len % 8)) - 1);
1169 mask_len = ((l3_offset + 14 + ((mt->prefix_len + 7) / 8) +
1171 1)) / sizeof (u32x4)) * sizeof (u32x4);
1172 acl_classify_add_del_table_small (cm, mask, mask_len, last_table,
1173 (~0 == last_table) ? 0 : ~0,
1175 last_table = *last_tag_table;
1178 /* egress ARP table */
1179 clib_memset (mask, 0, sizeof (mask));
1185 clib_memset (&mask[12], 0xff, 2); /* ethernet protocol */
1187 out_last_tag_table = &mt->out_arp_table_index;
1190 clib_memset (&mask[12], 0xff, 2); /* VLAN tag1 */
1191 clib_memset (&mask[16], 0xff, 2); /* ethernet protocol */
1193 out_last_tag_table = &mt->out_arp_dot1q_table_index;
1196 clib_memset (&mask[12], 0xff, 2); /* VLAN tag1 */
1197 clib_memset (&mask[16], 0xff, 2); /* VLAN tag2 */
1198 clib_memset (&mask[20], 0xff, 2); /* ethernet protocol */
1200 out_last_tag_table = &mt->out_arp_dot1ad_table_index;
1204 /* AYXX: FIXME here - can we tighten the ARP-related table more ? */
1205 /* mask captures just the destination and the ethertype */
1206 mask_len = ((l3_offset +
1208 1)) / sizeof (u32x4)) * sizeof (u32x4);
1209 acl_classify_add_del_table_small (cm, mask, mask_len,
1212 out_last_table) ? 0 : ~0,
1213 out_last_tag_table, 1);
1214 out_last_table = *out_last_tag_table;
1219 /* Now add IP[46] tables */
1220 vec_foreach (mt, mvec)
1223 int is6 = mt->is_ipv6;
1227 u32 *last_tag_table;
1228 u32 *out_last_tag_table;
1231 * create chained tables for VLAN (no-tags, dot1q and dot1ad) packets
1233 for (tags = 2; tags >= 0; tags--)
1235 clib_memset (mask, 0, sizeof (mask));
1236 memcpy (&mask[6], mt->mac_mask, 6);
1237 l3_src_offs = tags * 4 + get_l3_src_offset (is6);
1242 clib_memset (&mask[12], 0xff, 2); /* ethernet protocol */
1243 last_tag_table = &mt->table_index;
1246 clib_memset (&mask[12], 0xff, 2); /* VLAN tag1 */
1247 clib_memset (&mask[16], 0xff, 2); /* ethernet protocol */
1248 last_tag_table = &mt->dot1q_table_index;
1251 clib_memset (&mask[12], 0xff, 2); /* VLAN tag1 */
1252 clib_memset (&mask[16], 0xff, 2); /* VLAN tag2 */
1253 clib_memset (&mask[20], 0xff, 2); /* ethernet protocol */
1254 last_tag_table = &mt->dot1ad_table_index;
1257 for (i = 0; i < (mt->prefix_len / 8); i++)
1259 mask[l3_src_offs + i] = 0xff;
1261 if (mt->prefix_len % 8)
1263 mask[l3_src_offs + (mt->prefix_len / 8)] =
1264 0xff - ((1 << (8 - mt->prefix_len % 8)) - 1);
1267 * Round-up the number of bytes needed to store the prefix,
1268 * and round up the number of vectors too
1270 mask_len = ((l3_src_offs + ((mt->prefix_len + 7) / 8) +
1271 (sizeof (u32x4) - 1)) / sizeof (u32x4)) * sizeof (u32x4);
1272 acl_classify_add_del_table_small (cm, mask, mask_len, last_table,
1273 (~0 == last_table) ? 0 : ~0,
1275 last_table = *last_tag_table;
1279 for (tags = 2; tags >= 0; tags--)
1281 clib_memset (mask, 0, sizeof (mask));
1282 /* MAC destination */
1283 memcpy (&mask[0], mt->mac_mask, 6);
1284 l3_dst_offs = tags * 4 + get_l3_dst_offset (is6);
1289 clib_memset (&mask[12], 0xff, 2); /* ethernet protocol */
1290 out_last_tag_table = &mt->out_table_index;
1293 clib_memset (&mask[12], 0xff, 2); /* VLAN tag1 */
1294 clib_memset (&mask[16], 0xff, 2); /* ethernet protocol */
1295 out_last_tag_table = &mt->out_dot1q_table_index;
1298 clib_memset (&mask[12], 0xff, 2); /* VLAN tag1 */
1299 clib_memset (&mask[16], 0xff, 2); /* VLAN tag2 */
1300 clib_memset (&mask[20], 0xff, 2); /* ethernet protocol */
1301 out_last_tag_table = &mt->out_dot1ad_table_index;
1304 for (i = 0; i < (mt->prefix_len / 8); i++)
1306 mask[l3_dst_offs + i] = 0xff;
1308 if (mt->prefix_len % 8)
1310 mask[l3_dst_offs + (mt->prefix_len / 8)] =
1311 0xff - ((1 << (8 - mt->prefix_len % 8)) - 1);
1314 * Round-up the number of bytes needed to store the prefix,
1315 * and round up the number of vectors too
1317 mask_len = ((l3_dst_offs + ((mt->prefix_len + 7) / 8) +
1319 1)) / sizeof (u32x4)) * sizeof (u32x4);
1320 acl_classify_add_del_table_small (cm, mask, mask_len,
1322 (~0 == out_last_table) ? 0 : ~0,
1323 out_last_tag_table, 1);
1324 out_last_table = *out_last_tag_table;
1328 a->ip4_table_index = last_table;
1329 a->ip6_table_index = last_table;
1330 a->l2_table_index = last_table;
1332 a->out_ip4_table_index = out_last_table;
1333 a->out_ip6_table_index = out_last_table;
1334 a->out_l2_table_index = out_last_table;
1336 /* Populate the classifier tables with rules from the MACIP ACL */
1337 for (i = 0; i < a->count; i++)
1341 int is6 = a->rules[i].is_ipv6;
1348 macip_find_match_type (mvec, a->rules[i].src_mac_mask,
1349 a->rules[i].src_prefixlen,
1350 a->rules[i].is_ipv6);
1351 ASSERT (match_type_index != ~0);
1353 for (tags = 2; tags >= 0; tags--)
1355 clib_memset (mask, 0, sizeof (mask));
1356 l3_src_offs = tags * 4 + get_l3_src_offset (is6);
1357 memcpy (&mask[6], a->rules[i].src_mac, 6);
1362 tag_table = mvec[match_type_index].table_index;
1366 tag_table = mvec[match_type_index].dot1q_table_index;
1372 tag_table = mvec[match_type_index].dot1ad_table_index;
1382 memcpy (&mask[l3_src_offs], &a->rules[i].src_ip_addr.ip6, 16);
1384 mask[eth + 1] = 0xdd;
1388 memcpy (&mask[l3_src_offs], &a->rules[i].src_ip_addr.ip4, 4);
1390 mask[eth + 1] = 0x00;
1393 /* add session to table mvec[match_type_index].table_index; */
1394 vnet_classify_add_del_session (cm, tag_table,
1395 mask, a->rules[i].is_permit ? ~0 : 0,
1396 i, 0, action, metadata, 1);
1397 clib_memset (&mask[12], 0, sizeof (mask) - 12);
1400 /* add ARP table entry too */
1401 if (!is6 && (mvec[match_type_index].arp_table_index != ~0))
1403 clib_memset (mask, 0, sizeof (mask));
1404 memcpy (&mask[6], a->rules[i].src_mac, 6);
1406 for (tags = 2; tags >= 0; tags--)
1412 tag_table = mvec[match_type_index].arp_table_index;
1418 tag_table = mvec[match_type_index].arp_dot1q_table_index;
1426 tag_table = mvec[match_type_index].arp_dot1ad_table_index;
1437 memcpy (&mask[l3_src_offs + 8], a->rules[i].src_mac, 6);
1438 memcpy (&mask[l3_src_offs + 14], &a->rules[i].src_ip_addr.ip4,
1440 vnet_classify_add_del_session (cm, tag_table, mask,
1441 a->rules[i].is_permit ? ~0 : 0,
1442 i, 0, action, metadata, 1);
1445 if (macip_permit_also_egress (a->rules[i].is_permit))
1447 /* Add the egress entry with destination set */
1448 for (tags = 2; tags >= 0; tags--)
1450 clib_memset (mask, 0, sizeof (mask));
1451 l3_dst_offs = tags * 4 + get_l3_dst_offset (is6);
1452 /* src mac in the other direction becomes dst */
1453 memcpy (&mask[0], a->rules[i].src_mac, 6);
1458 tag_table = mvec[match_type_index].out_table_index;
1462 tag_table = mvec[match_type_index].out_dot1q_table_index;
1468 tag_table = mvec[match_type_index].out_dot1ad_table_index;
1478 memcpy (&mask[l3_dst_offs], &a->rules[i].src_ip_addr.ip6,
1481 mask[eth + 1] = 0xdd;
1485 memcpy (&mask[l3_dst_offs], &a->rules[i].src_ip_addr.ip4,
1488 mask[eth + 1] = 0x00;
1491 /* add session to table mvec[match_type_index].table_index; */
1492 vnet_classify_add_del_session (cm, tag_table,
1494 a->rules[i].is_permit ? ~0 : 0,
1495 i, 0, action, metadata, 1);
1496 // clib_memset (&mask[12], 0, sizeof (mask) - 12);
1499 /* add ARP table entry too */
1500 if (!is6 && (mvec[match_type_index].out_arp_table_index != ~0))
1502 for (tags = 2; tags >= 0; tags--)
1504 clib_memset (mask, 0, sizeof (mask));
1509 tag_table = mvec[match_type_index].out_arp_table_index;
1515 mvec[match_type_index].out_arp_dot1q_table_index;
1523 mvec[match_type_index].out_arp_dot1ad_table_index;
1533 vnet_classify_add_del_session (cm, tag_table,
1536 rules[i].is_permit ? ~0 : 0,
1537 i, 0, action, metadata, 1);
1546 macip_destroy_classify_tables (acl_main_t * am, u32 macip_acl_index)
1548 vnet_classify_main_t *cm = &vnet_classify_main;
1549 macip_acl_list_t *a = pool_elt_at_index (am->macip_acls, macip_acl_index);
1551 if (a->ip4_table_index != ~0)
1553 acl_classify_add_del_table_small (cm, 0, ~0, ~0, ~0,
1554 &a->ip4_table_index, 0);
1555 a->ip4_table_index = ~0;
1557 if (a->ip6_table_index != ~0)
1559 acl_classify_add_del_table_small (cm, 0, ~0, ~0, ~0,
1560 &a->ip6_table_index, 0);
1561 a->ip6_table_index = ~0;
1563 if (a->l2_table_index != ~0)
1565 acl_classify_add_del_table_small (cm, 0, ~0, ~0, ~0, &a->l2_table_index,
1567 a->l2_table_index = ~0;
1569 if (a->out_ip4_table_index != ~0)
1571 acl_classify_add_del_table_small (cm, 0, ~0, ~0, ~0,
1572 &a->out_ip4_table_index, 0);
1573 a->out_ip4_table_index = ~0;
1575 if (a->out_ip6_table_index != ~0)
1577 acl_classify_add_del_table_small (cm, 0, ~0, ~0, ~0,
1578 &a->out_ip6_table_index, 0);
1579 a->out_ip6_table_index = ~0;
1581 if (a->out_l2_table_index != ~0)
1583 acl_classify_add_del_table_small (cm, 0, ~0, ~0, ~0,
1584 &a->out_l2_table_index, 0);
1585 a->out_l2_table_index = ~0;
1590 macip_maybe_apply_unapply_classifier_tables (acl_main_t * am, u32 acl_index,
1596 macip_acl_list_t *a = pool_elt_at_index (am->macip_acls, acl_index);
1598 for (i = 0; i < vec_len (am->macip_acl_by_sw_if_index); i++)
1599 if (vec_elt (am->macip_acl_by_sw_if_index, i) == acl_index)
1601 rv0 = vnet_set_input_acl_intfc (am->vlib_main, i, a->ip4_table_index,
1602 a->ip6_table_index, a->l2_table_index,
1604 /* return the first unhappy outcome but make try to plough through. */
1607 vnet_set_output_acl_intfc (am->vlib_main, i, a->out_ip4_table_index,
1608 a->out_ip6_table_index,
1609 a->out_l2_table_index, is_apply);
1610 /* return the first unhappy outcome but make try to plough through. */
1617 macip_acl_add_list (u32 count, vl_api_macip_acl_rule_t rules[],
1618 u32 * acl_list_index, u8 * tag)
1620 acl_main_t *am = &acl_main;
1621 macip_acl_list_t *a;
1622 macip_acl_rule_t *r;
1623 macip_acl_rule_t *acl_new_rules = 0;
1627 if (*acl_list_index != ~0)
1629 /* They supplied some number, let's see if this MACIP ACL exists */
1630 if (pool_is_free_index (am->macip_acls, *acl_list_index))
1632 /* tried to replace a non-existent ACL, no point doing anything */
1634 ("acl-plugin-error: Trying to replace nonexistent MACIP ACL %d (tag %s)",
1635 *acl_list_index, tag);
1636 return VNET_API_ERROR_NO_SUCH_ENTRY;
1643 ("acl-plugin-warning: Trying to create empty MACIP ACL (tag %s)",
1646 /* if replacing the ACL, unapply the classifier tables first - they will be gone.. */
1647 if (~0 != *acl_list_index)
1648 rv = macip_maybe_apply_unapply_classifier_tables (am, *acl_list_index, 0);
1649 void *oldheap = acl_set_heap (am);
1650 /* Create and populate the rules */
1652 vec_validate (acl_new_rules, count - 1);
1654 for (i = 0; i < count; i++)
1656 r = &acl_new_rules[i];
1657 r->is_permit = rules[i].is_permit;
1658 r->is_ipv6 = rules[i].is_ipv6;
1659 memcpy (&r->src_mac, rules[i].src_mac, 6);
1660 memcpy (&r->src_mac_mask, rules[i].src_mac_mask, 6);
1661 if (rules[i].is_ipv6)
1662 memcpy (&r->src_ip_addr.ip6, rules[i].src_ip_addr, 16);
1664 memcpy (&r->src_ip_addr.ip4, rules[i].src_ip_addr, 4);
1665 r->src_prefixlen = rules[i].src_ip_prefix_len;
1668 if (~0 == *acl_list_index)
1671 pool_get_aligned (am->macip_acls, a, CLIB_CACHE_LINE_BYTES);
1672 clib_memset (a, 0, sizeof (*a));
1673 /* Will return the newly allocated ACL index */
1674 *acl_list_index = a - am->macip_acls;
1678 a = pool_elt_at_index (am->macip_acls, *acl_list_index);
1681 vec_free (a->rules);
1683 macip_destroy_classify_tables (am, *acl_list_index);
1686 a->rules = acl_new_rules;
1688 memcpy (a->tag, tag, sizeof (a->tag));
1690 /* Create and populate the classifier tables */
1691 macip_create_classify_tables (am, *acl_list_index);
1692 clib_mem_set_heap (oldheap);
1693 /* If the ACL was already applied somewhere, reapply the newly created tables */
1695 || macip_maybe_apply_unapply_classifier_tables (am, *acl_list_index, 1);
1699 /* No check that sw_if_index denotes a valid interface - the callers
1700 * were supposed to validate.
1702 * That said, if sw_if_index corresponds to an interface that exists at all,
1703 * this function must return errors accordingly if the ACL is not applied.
1707 macip_acl_interface_del_acl (acl_main_t * am, u32 sw_if_index)
1710 u32 macip_acl_index;
1711 macip_acl_list_t *a;
1713 /* The vector is too short - MACIP ACL is not applied */
1714 if (sw_if_index >= vec_len (am->macip_acl_by_sw_if_index))
1715 return VNET_API_ERROR_NO_SUCH_ENTRY;
1717 macip_acl_index = am->macip_acl_by_sw_if_index[sw_if_index];
1718 /* No point in deleting MACIP ACL which is not applied */
1719 if (~0 == macip_acl_index)
1720 return VNET_API_ERROR_NO_SUCH_ENTRY;
1722 a = pool_elt_at_index (am->macip_acls, macip_acl_index);
1723 /* remove the classifier tables off the interface L2 ACL */
1725 vnet_set_input_acl_intfc (am->vlib_main, sw_if_index, a->ip4_table_index,
1726 a->ip6_table_index, a->l2_table_index, 0);
1728 vnet_set_output_acl_intfc (am->vlib_main, sw_if_index,
1729 a->out_ip4_table_index, a->out_ip6_table_index,
1730 a->out_l2_table_index, 0);
1731 /* Unset the MACIP ACL index */
1732 am->macip_acl_by_sw_if_index[sw_if_index] = ~0;
1733 /* macip_acl_interface_add_acl did a vec_add1() to this previously, so [sw_if_index] should be valid */
1734 u32 index = vec_search (am->sw_if_index_vec_by_macip_acl[macip_acl_index],
1737 vec_del1 (am->sw_if_index_vec_by_macip_acl[macip_acl_index], index);
1741 /* No check for validity of sw_if_index - the callers were supposed to validate */
1744 macip_acl_interface_add_acl (acl_main_t * am, u32 sw_if_index,
1745 u32 macip_acl_index)
1747 macip_acl_list_t *a;
1749 if (pool_is_free_index (am->macip_acls, macip_acl_index))
1751 return VNET_API_ERROR_NO_SUCH_ENTRY;
1753 void *oldheap = acl_set_heap (am);
1754 a = pool_elt_at_index (am->macip_acls, macip_acl_index);
1755 vec_validate_init_empty (am->macip_acl_by_sw_if_index, sw_if_index, ~0);
1756 vec_validate (am->sw_if_index_vec_by_macip_acl, macip_acl_index);
1757 vec_add1 (am->sw_if_index_vec_by_macip_acl[macip_acl_index], sw_if_index);
1758 clib_mem_set_heap (oldheap);
1759 /* If there already a MACIP ACL applied, unapply it */
1760 if (~0 != am->macip_acl_by_sw_if_index[sw_if_index])
1761 macip_acl_interface_del_acl (am, sw_if_index);
1762 am->macip_acl_by_sw_if_index[sw_if_index] = macip_acl_index;
1764 /* Apply the classifier tables for L2 ACLs */
1766 vnet_set_input_acl_intfc (am->vlib_main, sw_if_index, a->ip4_table_index,
1767 a->ip6_table_index, a->l2_table_index, 1);
1769 vnet_set_output_acl_intfc (am->vlib_main, sw_if_index,
1770 a->out_ip4_table_index, a->out_ip6_table_index,
1771 a->out_l2_table_index, 1);
1776 macip_acl_del_list (u32 acl_list_index)
1778 acl_main_t *am = &acl_main;
1779 macip_acl_list_t *a;
1781 if (pool_is_free_index (am->macip_acls, acl_list_index))
1783 return VNET_API_ERROR_NO_SUCH_ENTRY;
1786 /* delete any references to the ACL */
1787 for (i = 0; i < vec_len (am->macip_acl_by_sw_if_index); i++)
1789 if (am->macip_acl_by_sw_if_index[i] == acl_list_index)
1791 macip_acl_interface_del_acl (am, i);
1795 void *oldheap = acl_set_heap (am);
1796 /* Now that classifier tables are detached, clean them up */
1797 macip_destroy_classify_tables (am, acl_list_index);
1799 /* now we can delete the ACL itself */
1800 a = pool_elt_at_index (am->macip_acls, acl_list_index);
1803 vec_free (a->rules);
1805 pool_put (am->macip_acls, a);
1806 clib_mem_set_heap (oldheap);
1812 macip_acl_interface_add_del_acl (u32 sw_if_index, u8 is_add,
1815 acl_main_t *am = &acl_main;
1819 rv = macip_acl_interface_add_acl (am, sw_if_index, acl_list_index);
1823 rv = macip_acl_interface_del_acl (am, sw_if_index);
1829 * If the client does not allocate enough memory for a variable-length
1830 * message, and then proceed to use it as if the full memory allocated,
1831 * absent the check we happily consume that on the VPP side, and go
1832 * along as if nothing happened. However, the resulting
1833 * effects range from just garbage in the API decode
1834 * (because the decoder snoops too far), to potential memory
1837 * This verifies that the actual length of the message is
1838 * at least expected_len, and complains loudly if it is not.
1840 * A failing check here is 100% a software bug on the API user side,
1841 * so we might as well yell.
1845 verify_message_len (void *mp, u32 expected_len, char *where)
1847 u32 supplied_len = vl_msg_api_get_msg_length (mp);
1848 if (supplied_len < expected_len)
1850 clib_warning ("%s: Supplied message length %d is less than expected %d",
1851 where, supplied_len, expected_len);
1860 /* API message handler */
1862 vl_api_acl_add_replace_t_handler (vl_api_acl_add_replace_t * mp)
1864 vl_api_acl_add_replace_reply_t *rmp;
1865 acl_main_t *am = &acl_main;
1867 u32 acl_list_index = ntohl (mp->acl_index);
1868 u32 acl_count = ntohl (mp->count);
1869 u32 expected_len = sizeof (*mp) + acl_count * sizeof (mp->r[0]);
1871 if (verify_message_len (mp, expected_len, "acl_add_replace"))
1873 rv = acl_add_list (acl_count, mp->r, &acl_list_index, mp->tag);
1877 rv = VNET_API_ERROR_INVALID_VALUE;
1881 REPLY_MACRO2(VL_API_ACL_ADD_REPLACE_REPLY,
1883 rmp->acl_index = htonl(acl_list_index);
1889 vl_api_acl_del_t_handler (vl_api_acl_del_t * mp)
1891 acl_main_t *am = &acl_main;
1892 vl_api_acl_del_reply_t *rmp;
1895 rv = acl_del_list (ntohl (mp->acl_index));
1897 REPLY_MACRO (VL_API_ACL_DEL_REPLY);
1901 vl_api_acl_interface_add_del_t_handler (vl_api_acl_interface_add_del_t * mp)
1903 acl_main_t *am = &acl_main;
1904 vnet_interface_main_t *im = &am->vnet_main->interface_main;
1905 u32 sw_if_index = ntohl (mp->sw_if_index);
1906 vl_api_acl_interface_add_del_reply_t *rmp;
1909 if (pool_is_free_index (im->sw_interfaces, sw_if_index))
1910 rv = VNET_API_ERROR_INVALID_SW_IF_INDEX;
1913 acl_interface_add_del_inout_acl (sw_if_index, mp->is_add,
1914 mp->is_input, ntohl (mp->acl_index));
1916 REPLY_MACRO (VL_API_ACL_INTERFACE_ADD_DEL_REPLY);
1920 vl_api_acl_interface_set_acl_list_t_handler
1921 (vl_api_acl_interface_set_acl_list_t * mp)
1923 acl_main_t *am = &acl_main;
1924 vl_api_acl_interface_set_acl_list_reply_t *rmp;
1927 vnet_interface_main_t *im = &am->vnet_main->interface_main;
1928 u32 sw_if_index = ntohl (mp->sw_if_index);
1930 if (pool_is_free_index (im->sw_interfaces, sw_if_index))
1931 rv = VNET_API_ERROR_INVALID_SW_IF_INDEX;
1934 int may_clear_sessions = 1;
1935 for (i = 0; i < mp->count; i++)
1937 if (acl_is_not_defined (am, ntohl (mp->acls[i])))
1939 /* ACL does not exist, so we can not apply it */
1940 rv = VNET_API_ERROR_NO_SUCH_ENTRY;
1945 void *oldheap = acl_set_heap (am);
1947 u32 *in_acl_vec = 0;
1948 u32 *out_acl_vec = 0;
1949 for (i = 0; i < mp->count; i++)
1950 if (i < mp->n_input)
1951 vec_add1 (in_acl_vec, clib_net_to_host_u32 (mp->acls[i]));
1953 vec_add1 (out_acl_vec, clib_net_to_host_u32 (mp->acls[i]));
1956 acl_interface_set_inout_acl_list (am, sw_if_index, 0, out_acl_vec,
1957 &may_clear_sessions);
1959 || acl_interface_set_inout_acl_list (am, sw_if_index, 1,
1961 &may_clear_sessions);
1962 vec_free (in_acl_vec);
1963 vec_free (out_acl_vec);
1964 clib_mem_set_heap (oldheap);
1968 REPLY_MACRO (VL_API_ACL_INTERFACE_SET_ACL_LIST_REPLY);
1972 copy_acl_rule_to_api_rule (vl_api_acl_rule_t * api_rule, acl_rule_t * r)
1974 api_rule->is_permit = r->is_permit;
1975 api_rule->is_ipv6 = r->is_ipv6;
1978 memcpy (api_rule->src_ip_addr, &r->src, sizeof (r->src));
1979 memcpy (api_rule->dst_ip_addr, &r->dst, sizeof (r->dst));
1983 memcpy (api_rule->src_ip_addr, &r->src.ip4, sizeof (r->src.ip4));
1984 memcpy (api_rule->dst_ip_addr, &r->dst.ip4, sizeof (r->dst.ip4));
1986 api_rule->src_ip_prefix_len = r->src_prefixlen;
1987 api_rule->dst_ip_prefix_len = r->dst_prefixlen;
1988 api_rule->proto = r->proto;
1989 api_rule->srcport_or_icmptype_first = htons (r->src_port_or_type_first);
1990 api_rule->srcport_or_icmptype_last = htons (r->src_port_or_type_last);
1991 api_rule->dstport_or_icmpcode_first = htons (r->dst_port_or_code_first);
1992 api_rule->dstport_or_icmpcode_last = htons (r->dst_port_or_code_last);
1993 api_rule->tcp_flags_mask = r->tcp_flags_mask;
1994 api_rule->tcp_flags_value = r->tcp_flags_value;
1998 send_acl_details (acl_main_t * am, vl_api_registration_t * reg,
1999 acl_list_t * acl, u32 context)
2001 vl_api_acl_details_t *mp;
2002 vl_api_acl_rule_t *rules;
2004 acl_rule_t *acl_rules = acl->rules;
2005 int msg_size = sizeof (*mp) + sizeof (mp->r[0]) * vec_len (acl_rules);
2006 void *oldheap = acl_set_heap (am);
2008 mp = vl_msg_api_alloc (msg_size);
2009 clib_memset (mp, 0, msg_size);
2010 mp->_vl_msg_id = ntohs (VL_API_ACL_DETAILS + am->msg_id_base);
2012 /* fill in the message */
2013 mp->context = context;
2014 mp->count = htonl (vec_len (acl_rules));
2015 mp->acl_index = htonl (acl - am->acls);
2016 memcpy (mp->tag, acl->tag, sizeof (mp->tag));
2017 // clib_memcpy (mp->r, acl->rules, acl->count * sizeof(acl->rules[0]));
2019 for (i = 0; i < vec_len (acl_rules); i++)
2021 copy_acl_rule_to_api_rule (&rules[i], &acl_rules[i]);
2024 clib_mem_set_heap (oldheap);
2025 vl_api_send_msg (reg, (u8 *) mp);
2030 vl_api_acl_dump_t_handler (vl_api_acl_dump_t * mp)
2032 acl_main_t *am = &acl_main;
2036 vl_api_registration_t *reg;
2038 reg = vl_api_client_index_to_registration (mp->client_index);
2042 if (mp->acl_index == ~0)
2045 /* Just dump all ACLs */
2046 pool_foreach (acl, am->acls,
2048 send_acl_details(am, reg, acl, mp->context);
2054 acl_index = ntohl (mp->acl_index);
2055 if (!pool_is_free_index (am->acls, acl_index))
2057 acl = pool_elt_at_index (am->acls, acl_index);
2058 send_acl_details (am, reg, acl, mp->context);
2064 /* FIXME API: should we signal an error here at all ? */
2070 send_acl_interface_list_details (acl_main_t * am,
2071 vl_api_registration_t * reg,
2072 u32 sw_if_index, u32 context)
2074 vl_api_acl_interface_list_details_t *mp;
2080 void *oldheap = acl_set_heap (am);
2082 vec_validate (am->input_acl_vec_by_sw_if_index, sw_if_index);
2083 vec_validate (am->output_acl_vec_by_sw_if_index, sw_if_index);
2085 clib_mem_set_heap (oldheap);
2087 n_input = vec_len (am->input_acl_vec_by_sw_if_index[sw_if_index]);
2088 n_output = vec_len (am->output_acl_vec_by_sw_if_index[sw_if_index]);
2089 count = n_input + n_output;
2091 msg_size = sizeof (*mp);
2092 msg_size += sizeof (mp->acls[0]) * count;
2094 mp = vl_msg_api_alloc (msg_size);
2095 clib_memset (mp, 0, msg_size);
2097 ntohs (VL_API_ACL_INTERFACE_LIST_DETAILS + am->msg_id_base);
2099 /* fill in the message */
2100 mp->context = context;
2101 mp->sw_if_index = htonl (sw_if_index);
2103 mp->n_input = n_input;
2104 for (i = 0; i < n_input; i++)
2106 mp->acls[i] = htonl (am->input_acl_vec_by_sw_if_index[sw_if_index][i]);
2108 for (i = 0; i < n_output; i++)
2110 mp->acls[n_input + i] =
2111 htonl (am->output_acl_vec_by_sw_if_index[sw_if_index][i]);
2113 vl_api_send_msg (reg, (u8 *) mp);
2117 vl_api_acl_interface_list_dump_t_handler (vl_api_acl_interface_list_dump_t *
2120 acl_main_t *am = &acl_main;
2121 vnet_sw_interface_t *swif;
2122 vnet_interface_main_t *im = &am->vnet_main->interface_main;
2125 vl_api_registration_t *reg;
2127 reg = vl_api_client_index_to_registration (mp->client_index);
2131 if (mp->sw_if_index == ~0)
2134 pool_foreach (swif, im->sw_interfaces,
2136 send_acl_interface_list_details(am, reg, swif->sw_if_index, mp->context);
2142 sw_if_index = ntohl (mp->sw_if_index);
2143 if (!pool_is_free_index (im->sw_interfaces, sw_if_index))
2144 send_acl_interface_list_details (am, reg, sw_if_index, mp->context);
2148 /* MACIP ACL API handlers */
2151 vl_api_macip_acl_add_t_handler (vl_api_macip_acl_add_t * mp)
2153 vl_api_macip_acl_add_reply_t *rmp;
2154 acl_main_t *am = &acl_main;
2156 u32 acl_list_index = ~0;
2157 u32 acl_count = ntohl (mp->count);
2158 u32 expected_len = sizeof (*mp) + acl_count * sizeof (mp->r[0]);
2160 if (verify_message_len (mp, expected_len, "macip_acl_add"))
2162 rv = macip_acl_add_list (acl_count, mp->r, &acl_list_index, mp->tag);
2166 rv = VNET_API_ERROR_INVALID_VALUE;
2170 REPLY_MACRO2(VL_API_MACIP_ACL_ADD_REPLY,
2172 rmp->acl_index = htonl(acl_list_index);
2178 vl_api_macip_acl_add_replace_t_handler (vl_api_macip_acl_add_replace_t * mp)
2180 vl_api_macip_acl_add_replace_reply_t *rmp;
2181 acl_main_t *am = &acl_main;
2183 u32 acl_list_index = ntohl (mp->acl_index);
2184 u32 acl_count = ntohl (mp->count);
2185 u32 expected_len = sizeof (*mp) + acl_count * sizeof (mp->r[0]);
2187 if (verify_message_len (mp, expected_len, "macip_acl_add_replace"))
2189 rv = macip_acl_add_list (acl_count, mp->r, &acl_list_index, mp->tag);
2193 rv = VNET_API_ERROR_INVALID_VALUE;
2197 REPLY_MACRO2(VL_API_MACIP_ACL_ADD_REPLACE_REPLY,
2199 rmp->acl_index = htonl(acl_list_index);
2205 vl_api_macip_acl_del_t_handler (vl_api_macip_acl_del_t * mp)
2207 acl_main_t *am = &acl_main;
2208 vl_api_macip_acl_del_reply_t *rmp;
2211 rv = macip_acl_del_list (ntohl (mp->acl_index));
2213 REPLY_MACRO (VL_API_MACIP_ACL_DEL_REPLY);
2217 vl_api_macip_acl_interface_add_del_t_handler
2218 (vl_api_macip_acl_interface_add_del_t * mp)
2220 acl_main_t *am = &acl_main;
2221 vl_api_macip_acl_interface_add_del_reply_t *rmp;
2223 vnet_interface_main_t *im = &am->vnet_main->interface_main;
2224 u32 sw_if_index = ntohl (mp->sw_if_index);
2226 if (pool_is_free_index (im->sw_interfaces, sw_if_index))
2227 rv = VNET_API_ERROR_INVALID_SW_IF_INDEX;
2230 macip_acl_interface_add_del_acl (ntohl (mp->sw_if_index), mp->is_add,
2231 ntohl (mp->acl_index));
2233 REPLY_MACRO (VL_API_MACIP_ACL_INTERFACE_ADD_DEL_REPLY);
2237 send_macip_acl_details (acl_main_t * am, vl_api_registration_t * reg,
2238 macip_acl_list_t * acl, u32 context)
2240 vl_api_macip_acl_details_t *mp;
2241 vl_api_macip_acl_rule_t *rules;
2242 macip_acl_rule_t *r;
2244 int msg_size = sizeof (*mp) + (acl ? sizeof (mp->r[0]) * acl->count : 0);
2246 mp = vl_msg_api_alloc (msg_size);
2247 clib_memset (mp, 0, msg_size);
2248 mp->_vl_msg_id = ntohs (VL_API_MACIP_ACL_DETAILS + am->msg_id_base);
2250 /* fill in the message */
2251 mp->context = context;
2254 memcpy (mp->tag, acl->tag, sizeof (mp->tag));
2255 mp->count = htonl (acl->count);
2256 mp->acl_index = htonl (acl - am->macip_acls);
2258 for (i = 0; i < acl->count; i++)
2261 rules[i].is_permit = r->is_permit;
2262 rules[i].is_ipv6 = r->is_ipv6;
2263 memcpy (rules[i].src_mac, &r->src_mac, sizeof (r->src_mac));
2264 memcpy (rules[i].src_mac_mask, &r->src_mac_mask,
2265 sizeof (r->src_mac_mask));
2267 memcpy (rules[i].src_ip_addr, &r->src_ip_addr.ip6,
2268 sizeof (r->src_ip_addr.ip6));
2270 memcpy (rules[i].src_ip_addr, &r->src_ip_addr.ip4,
2271 sizeof (r->src_ip_addr.ip4));
2272 rules[i].src_ip_prefix_len = r->src_prefixlen;
2277 /* No martini, no party - no ACL applied to this interface. */
2282 vl_api_send_msg (reg, (u8 *) mp);
2287 vl_api_macip_acl_dump_t_handler (vl_api_macip_acl_dump_t * mp)
2289 acl_main_t *am = &acl_main;
2290 macip_acl_list_t *acl;
2292 vl_api_registration_t *reg;
2294 reg = vl_api_client_index_to_registration (mp->client_index);
2298 if (mp->acl_index == ~0)
2300 /* Just dump all ACLs for now, with sw_if_index = ~0 */
2301 pool_foreach (acl, am->macip_acls, (
2303 send_macip_acl_details (am, reg,
2312 u32 acl_index = ntohl (mp->acl_index);
2313 if (!pool_is_free_index (am->macip_acls, acl_index))
2315 acl = pool_elt_at_index (am->macip_acls, acl_index);
2316 send_macip_acl_details (am, reg, acl, mp->context);
2322 vl_api_macip_acl_interface_get_t_handler (vl_api_macip_acl_interface_get_t *
2325 acl_main_t *am = &acl_main;
2326 vl_api_macip_acl_interface_get_reply_t *rmp;
2327 u32 count = vec_len (am->macip_acl_by_sw_if_index);
2328 int msg_size = sizeof (*rmp) + sizeof (rmp->acls[0]) * count;
2329 vl_api_registration_t *reg;
2332 reg = vl_api_client_index_to_registration (mp->client_index);
2336 rmp = vl_msg_api_alloc (msg_size);
2337 clib_memset (rmp, 0, msg_size);
2339 ntohs (VL_API_MACIP_ACL_INTERFACE_GET_REPLY + am->msg_id_base);
2340 rmp->context = mp->context;
2341 rmp->count = htonl (count);
2342 for (i = 0; i < count; i++)
2344 rmp->acls[i] = htonl (am->macip_acl_by_sw_if_index[i]);
2347 vl_api_send_msg (reg, (u8 *) rmp);
2351 send_macip_acl_interface_list_details (acl_main_t * am,
2352 vl_api_registration_t * reg,
2354 u32 acl_index, u32 context)
2356 vl_api_macip_acl_interface_list_details_t *rmp;
2357 /* at this time there is only ever 1 mac ip acl per interface */
2358 int msg_size = sizeof (*rmp) + sizeof (rmp->acls[0]);
2360 rmp = vl_msg_api_alloc (msg_size);
2361 clib_memset (rmp, 0, msg_size);
2363 ntohs (VL_API_MACIP_ACL_INTERFACE_LIST_DETAILS + am->msg_id_base);
2365 /* fill in the message */
2366 rmp->context = context;
2368 rmp->sw_if_index = htonl (sw_if_index);
2369 rmp->acls[0] = htonl (acl_index);
2371 vl_api_send_msg (reg, (u8 *) rmp);
2375 vl_api_macip_acl_interface_list_dump_t_handler
2376 (vl_api_macip_acl_interface_list_dump_t * mp)
2378 vl_api_registration_t *reg;
2379 acl_main_t *am = &acl_main;
2380 u32 sw_if_index = ntohl (mp->sw_if_index);
2382 reg = vl_api_client_index_to_registration (mp->client_index);
2386 if (sw_if_index == ~0)
2388 vec_foreach_index (sw_if_index, am->macip_acl_by_sw_if_index)
2390 if (~0 != am->macip_acl_by_sw_if_index[sw_if_index])
2392 send_macip_acl_interface_list_details (am, reg, sw_if_index,
2393 am->macip_acl_by_sw_if_index
2401 if (vec_len (am->macip_acl_by_sw_if_index) > sw_if_index)
2403 send_macip_acl_interface_list_details (am, reg, sw_if_index,
2404 am->macip_acl_by_sw_if_index
2405 [sw_if_index], mp->context);
2411 vl_api_acl_interface_set_etype_whitelist_t_handler
2412 (vl_api_acl_interface_set_etype_whitelist_t * mp)
2414 acl_main_t *am = &acl_main;
2415 vl_api_acl_interface_set_etype_whitelist_reply_t *rmp;
2418 vnet_interface_main_t *im = &am->vnet_main->interface_main;
2419 u32 sw_if_index = ntohl (mp->sw_if_index);
2420 u16 *vec_in = 0, *vec_out = 0;
2421 void *oldheap = acl_set_heap (am);
2423 if (pool_is_free_index (im->sw_interfaces, sw_if_index))
2424 rv = VNET_API_ERROR_INVALID_SW_IF_INDEX;
2427 for (i = 0; i < mp->count; i++)
2429 if (i < mp->n_input)
2430 vec_add1 (vec_in, ntohs (mp->whitelist[i]));
2432 vec_add1 (vec_out, ntohs (mp->whitelist[i]));
2434 rv = acl_set_etype_whitelists (am, sw_if_index, vec_in, vec_out);
2437 clib_mem_set_heap (oldheap);
2438 REPLY_MACRO (VL_API_ACL_INTERFACE_SET_ETYPE_WHITELIST_REPLY);
2442 send_acl_interface_etype_whitelist_details (acl_main_t * am,
2443 vl_api_registration_t * reg,
2444 u32 sw_if_index, u32 context)
2446 vl_api_acl_interface_etype_whitelist_details_t *mp;
2453 u16 *whitelist_in = 0;
2454 u16 *whitelist_out = 0;
2456 if (intf_has_etype_whitelist (am, sw_if_index, 0))
2458 vec_elt (am->output_etype_whitelist_by_sw_if_index, sw_if_index);
2460 if (intf_has_etype_whitelist (am, sw_if_index, 1))
2462 vec_elt (am->input_etype_whitelist_by_sw_if_index, sw_if_index);
2464 if ((0 == whitelist_in) && (0 == whitelist_out))
2465 return; /* nothing to do */
2467 void *oldheap = acl_set_heap (am);
2469 n_input = vec_len (whitelist_in);
2470 n_output = vec_len (whitelist_out);
2471 count = n_input + n_output;
2473 msg_size = sizeof (*mp);
2474 msg_size += sizeof (mp->whitelist[0]) * count;
2476 mp = vl_msg_api_alloc (msg_size);
2477 clib_memset (mp, 0, msg_size);
2479 ntohs (VL_API_ACL_INTERFACE_ETYPE_WHITELIST_DETAILS + am->msg_id_base);
2481 /* fill in the message */
2482 mp->context = context;
2483 mp->sw_if_index = htonl (sw_if_index);
2485 mp->n_input = n_input;
2486 for (i = 0; i < n_input; i++)
2488 mp->whitelist[i] = htons (whitelist_in[i]);
2490 for (i = 0; i < n_output; i++)
2492 mp->whitelist[n_input + i] = htons (whitelist_out[i]);
2494 clib_mem_set_heap (oldheap);
2495 vl_api_send_msg (reg, (u8 *) mp);
2500 vl_api_acl_interface_etype_whitelist_dump_t_handler
2501 (vl_api_acl_interface_list_dump_t * mp)
2503 acl_main_t *am = &acl_main;
2504 vnet_sw_interface_t *swif;
2505 vnet_interface_main_t *im = &am->vnet_main->interface_main;
2508 vl_api_registration_t *reg;
2510 reg = vl_api_client_index_to_registration (mp->client_index);
2514 if (mp->sw_if_index == ~0)
2517 pool_foreach (swif, im->sw_interfaces,
2519 send_acl_interface_etype_whitelist_details(am, reg, swif->sw_if_index, mp->context);
2525 sw_if_index = ntohl (mp->sw_if_index);
2526 if (!pool_is_free_index (im->sw_interfaces, sw_if_index))
2527 send_acl_interface_etype_whitelist_details (am, reg, sw_if_index,
2534 /* Set up the API message handling tables */
2535 static clib_error_t *
2536 acl_plugin_api_hookup (vlib_main_t * vm)
2538 acl_main_t *am = &acl_main;
2540 vl_msg_api_set_handlers((VL_API_##N + am->msg_id_base), \
2542 vl_api_##n##_t_handler, \
2544 vl_api_##n##_t_endian, \
2545 vl_api_##n##_t_print, \
2546 sizeof(vl_api_##n##_t), 1);
2547 foreach_acl_plugin_api_msg;
2553 #define vl_msg_name_crc_list
2554 #include <acl/acl_all_api_h.h>
2555 #undef vl_msg_name_crc_list
2558 setup_message_id_table (acl_main_t * am, api_main_t * apim)
2560 #define _(id,n,crc) \
2561 vl_msg_api_add_msg_name_crc (apim, #n "_" #crc, id + am->msg_id_base);
2562 foreach_vl_msg_name_crc_acl;
2567 acl_set_timeout_sec (int timeout_type, u32 value)
2569 acl_main_t *am = &acl_main;
2570 clib_time_t *ct = &am->vlib_main->clib_time;
2572 if (timeout_type < ACL_N_TIMEOUTS)
2574 am->session_timeout_sec[timeout_type] = value;
2578 clib_warning ("Unknown timeout type %d", timeout_type);
2581 am->session_timeout[timeout_type] =
2582 (u64) (((f64) value) / ct->seconds_per_clock);
2586 acl_set_session_max_entries (u32 value)
2588 acl_main_t *am = &acl_main;
2589 am->fa_conn_table_max_entries = value;
2593 acl_set_skip_ipv6_eh (u32 eh, u32 value)
2595 acl_main_t *am = &acl_main;
2597 if ((eh < 256) && (value < 2))
2599 am->fa_ipv6_known_eh_bitmap =
2600 clib_bitmap_set (am->fa_ipv6_known_eh_bitmap, eh, value);
2608 static clib_error_t *
2609 acl_sw_interface_add_del (vnet_main_t * vnm, u32 sw_if_index, u32 is_add)
2611 acl_main_t *am = &acl_main;
2612 if (0 == am->acl_mheap)
2614 /* ACL heap is not initialized, so definitely nothing to do. */
2619 int may_clear_sessions = 1;
2620 vlib_process_signal_event (am->vlib_main, am->fa_cleaner_node_index,
2621 ACL_FA_CLEANER_DELETE_BY_SW_IF_INDEX,
2623 /* also unapply any ACLs in case the users did not do so. */
2624 macip_acl_interface_del_acl (am, sw_if_index);
2625 acl_interface_reset_inout_acls (sw_if_index, 0, &may_clear_sessions);
2626 acl_interface_reset_inout_acls (sw_if_index, 1, &may_clear_sessions);
2631 VNET_SW_INTERFACE_ADD_DEL_FUNCTION (acl_sw_interface_add_del);
2635 static clib_error_t *
2636 acl_set_aclplugin_fn (vlib_main_t * vm,
2637 unformat_input_t * input, vlib_cli_command_t * cmd)
2639 clib_error_t *error = 0;
2643 uword memory_size = 0;
2644 acl_main_t *am = &acl_main;
2646 if (unformat (input, "skip-ipv6-extension-header %u %u", &eh_val, &val))
2648 if (!acl_set_skip_ipv6_eh (eh_val, val))
2650 error = clib_error_return (0, "expecting eh=0..255, value=0..1");
2654 if (unformat (input, "use-hash-acl-matching %u", &val))
2656 am->use_hash_acl_matching = (val != 0);
2659 if (unformat (input, "l4-match-nonfirst-fragment %u", &val))
2661 am->l4_match_nonfirst_fragment = (val != 0);
2664 if (unformat (input, "reclassify-sessions %u", &val))
2666 am->reclassify_sessions = (val != 0);
2669 if (unformat (input, "event-trace"))
2671 if (!unformat (input, "%u", &val))
2673 error = clib_error_return (0,
2674 "expecting trace level, got `%U`",
2675 format_unformat_error, input);
2680 am->trace_acl = val;
2684 if (unformat (input, "heap"))
2686 if (unformat (input, "main"))
2688 if (unformat (input, "validate %u", &val))
2689 acl_plugin_acl_set_validate_heap (am, val);
2690 else if (unformat (input, "trace %u", &val))
2691 acl_plugin_acl_set_trace_heap (am, val);
2694 else if (unformat (input, "hash"))
2696 if (unformat (input, "validate %u", &val))
2697 acl_plugin_hash_acl_set_validate_heap (val);
2698 else if (unformat (input, "trace %u", &val))
2699 acl_plugin_hash_acl_set_trace_heap (val);
2704 if (unformat (input, "session"))
2706 if (unformat (input, "table"))
2708 /* The commands here are for tuning/testing. No user-serviceable parts inside */
2709 if (unformat (input, "max-entries"))
2711 if (!unformat (input, "%u", &val))
2713 error = clib_error_return (0,
2714 "expecting maximum number of entries, got `%U`",
2715 format_unformat_error, input);
2720 acl_set_session_max_entries (val);
2724 if (unformat (input, "hash-table-buckets"))
2726 if (!unformat (input, "%u", &val))
2728 error = clib_error_return (0,
2729 "expecting maximum number of hash table buckets, got `%U`",
2730 format_unformat_error, input);
2735 am->fa_conn_table_hash_num_buckets = val;
2739 if (unformat (input, "hash-table-memory"))
2741 if (!unformat (input, "%U", unformat_memory_size, &memory_size))
2743 error = clib_error_return (0,
2744 "expecting maximum amount of hash table memory, got `%U`",
2745 format_unformat_error, input);
2750 am->fa_conn_table_hash_memory_size = memory_size;
2754 if (unformat (input, "event-trace"))
2756 if (!unformat (input, "%u", &val))
2758 error = clib_error_return (0,
2759 "expecting trace level, got `%U`",
2760 format_unformat_error, input);
2765 am->trace_sessions = val;
2771 if (unformat (input, "timeout"))
2773 if (unformat (input, "udp"))
2775 if (unformat (input, "idle"))
2777 if (!unformat (input, "%u", &timeout))
2779 error = clib_error_return (0,
2780 "expecting timeout value in seconds, got `%U`",
2781 format_unformat_error,
2787 acl_set_timeout_sec (ACL_TIMEOUT_UDP_IDLE, timeout);
2792 if (unformat (input, "tcp"))
2794 if (unformat (input, "idle"))
2796 if (!unformat (input, "%u", &timeout))
2798 error = clib_error_return (0,
2799 "expecting timeout value in seconds, got `%U`",
2800 format_unformat_error,
2806 acl_set_timeout_sec (ACL_TIMEOUT_TCP_IDLE, timeout);
2810 if (unformat (input, "transient"))
2812 if (!unformat (input, "%u", &timeout))
2814 error = clib_error_return (0,
2815 "expecting timeout value in seconds, got `%U`",
2816 format_unformat_error,
2822 acl_set_timeout_sec (ACL_TIMEOUT_TCP_TRANSIENT,
2836 my_format_mac_address (u8 * s, va_list * args)
2838 u8 *a = va_arg (*args, u8 *);
2839 return format (s, "%02x:%02x:%02x:%02x:%02x:%02x",
2840 a[0], a[1], a[2], a[3], a[4], a[5]);
2844 my_macip_acl_rule_t_pretty_format (u8 * out, va_list * args)
2846 macip_acl_rule_t *a = va_arg (*args, macip_acl_rule_t *);
2848 out = format (out, "%s action %d ip %U/%d mac %U mask %U",
2849 a->is_ipv6 ? "ipv6" : "ipv4", a->is_permit,
2850 format_ip46_address, &a->src_ip_addr,
2851 a->is_ipv6 ? IP46_TYPE_IP6 : IP46_TYPE_IP4,
2853 my_format_mac_address, a->src_mac,
2854 my_format_mac_address, a->src_mac_mask);
2859 macip_acl_print (acl_main_t * am, u32 macip_acl_index)
2861 vlib_main_t *vm = am->vlib_main;
2864 /* Don't try to print someone else's memory */
2865 if (macip_acl_index >= vec_len (am->macip_acls))
2868 macip_acl_list_t *a = vec_elt_at_index (am->macip_acls, macip_acl_index);
2869 int free_pool_slot = pool_is_free_index (am->macip_acls, macip_acl_index);
2871 vlib_cli_output (vm,
2872 "MACIP acl_index: %d, count: %d (true len %d) tag {%s} is free pool slot: %d\n",
2873 macip_acl_index, a->count, vec_len (a->rules), a->tag,
2875 vlib_cli_output (vm,
2876 " ip4_table_index %d, ip6_table_index %d, l2_table_index %d\n",
2877 a->ip4_table_index, a->ip6_table_index, a->l2_table_index);
2878 vlib_cli_output (vm,
2879 " out_ip4_table_index %d, out_ip6_table_index %d, out_l2_table_index %d\n",
2880 a->out_ip4_table_index, a->out_ip6_table_index,
2881 a->out_l2_table_index);
2882 for (i = 0; i < vec_len (a->rules); i++)
2883 vlib_cli_output (vm, " rule %d: %U\n", i,
2884 my_macip_acl_rule_t_pretty_format,
2885 vec_elt_at_index (a->rules, i));
2889 static clib_error_t *
2890 acl_show_aclplugin_macip_acl_fn (vlib_main_t * vm,
2892 input, vlib_cli_command_t * cmd)
2894 clib_error_t *error = 0;
2895 acl_main_t *am = &acl_main;
2899 (void) unformat (input, "index %u", &acl_index);
2901 for (i = 0; i < vec_len (am->macip_acls); i++)
2903 /* Don't attempt to show the ACLs that do not exist */
2904 if (pool_is_free_index (am->macip_acls, i))
2907 if ((acl_index != ~0) && (acl_index != i))
2912 macip_acl_print (am, i);
2913 if (i < vec_len (am->sw_if_index_vec_by_macip_acl))
2915 vlib_cli_output (vm, " applied on sw_if_index(s): %U\n",
2917 vec_elt (am->sw_if_index_vec_by_macip_acl, i),
2925 static clib_error_t *
2926 acl_show_aclplugin_macip_interface_fn (vlib_main_t * vm,
2928 input, vlib_cli_command_t * cmd)
2930 clib_error_t *error = 0;
2931 acl_main_t *am = &acl_main;
2933 for (i = 0; i < vec_len (am->macip_acl_by_sw_if_index); i++)
2935 vlib_cli_output (vm, " sw_if_index %d: %d\n", i,
2936 vec_elt (am->macip_acl_by_sw_if_index, i));
2942 acl_plugin_show_acl (acl_main_t * am, u32 acl_index)
2945 vlib_main_t *vm = am->vlib_main;
2947 for (i = 0; i < vec_len (am->acls); i++)
2949 if (acl_is_not_defined (am, i))
2951 /* don't attempt to show the ACLs that do not exist */
2954 if ((acl_index != ~0) && (acl_index != i))
2958 acl_print_acl (vm, am, i);
2960 if (i < vec_len (am->input_sw_if_index_vec_by_acl))
2962 vlib_cli_output (vm, " applied inbound on sw_if_index: %U\n",
2963 format_vec32, am->input_sw_if_index_vec_by_acl[i],
2966 if (i < vec_len (am->output_sw_if_index_vec_by_acl))
2968 vlib_cli_output (vm, " applied outbound on sw_if_index: %U\n",
2969 format_vec32, am->output_sw_if_index_vec_by_acl[i],
2972 if (i < vec_len (am->lc_index_vec_by_acl))
2974 vlib_cli_output (vm, " used in lookup context index: %U\n",
2975 format_vec32, am->lc_index_vec_by_acl[i], "%d");
2980 static clib_error_t *
2981 acl_show_aclplugin_acl_fn (vlib_main_t * vm,
2982 unformat_input_t * input, vlib_cli_command_t * cmd)
2984 clib_error_t *error = 0;
2985 acl_main_t *am = &acl_main;
2988 (void) unformat (input, "index %u", &acl_index);
2990 acl_plugin_show_acl (am, acl_index);
2994 static clib_error_t *
2995 acl_show_aclplugin_lookup_context_fn (vlib_main_t * vm,
2996 unformat_input_t * input,
2997 vlib_cli_command_t * cmd)
2999 clib_error_t *error = 0;
3002 (void) unformat (input, "index %u", &lc_index);
3004 acl_plugin_show_lookup_context (lc_index);
3008 static clib_error_t *
3009 acl_show_aclplugin_lookup_user_fn (vlib_main_t * vm,
3010 unformat_input_t * input,
3011 vlib_cli_command_t * cmd)
3013 clib_error_t *error = 0;
3016 (void) unformat (input, "index %u", &lc_index);
3018 acl_plugin_show_lookup_user (lc_index);
3024 acl_plugin_show_interface (acl_main_t * am, u32 sw_if_index, int show_acl,
3027 vlib_main_t *vm = am->vlib_main;
3030 for (swi = 0; (swi < vec_len (am->input_acl_vec_by_sw_if_index)) ||
3031 (swi < vec_len (am->output_acl_vec_by_sw_if_index)); swi++)
3033 /* if we need a particular interface, skip all the others */
3034 if ((sw_if_index != ~0) && (sw_if_index != swi))
3037 vlib_cli_output (vm, "sw_if_index %d:\n", swi);
3038 if (swi < vec_len (am->input_policy_epoch_by_sw_if_index))
3039 vlib_cli_output (vm, " input policy epoch: %x\n",
3040 vec_elt (am->input_policy_epoch_by_sw_if_index,
3042 if (swi < vec_len (am->output_policy_epoch_by_sw_if_index))
3043 vlib_cli_output (vm, " output policy epoch: %x\n",
3044 vec_elt (am->output_policy_epoch_by_sw_if_index,
3048 if (intf_has_etype_whitelist (am, swi, 1))
3050 vlib_cli_output (vm, " input etype whitelist: %U", format_vec16,
3051 am->input_etype_whitelist_by_sw_if_index[swi],
3054 if (intf_has_etype_whitelist (am, swi, 0))
3056 vlib_cli_output (vm, " output etype whitelist: %U", format_vec16,
3057 am->output_etype_whitelist_by_sw_if_index[swi],
3061 if ((swi < vec_len (am->input_acl_vec_by_sw_if_index)) &&
3062 (vec_len (am->input_acl_vec_by_sw_if_index[swi]) > 0))
3064 vlib_cli_output (vm, " input acl(s): %U", format_vec32,
3065 am->input_acl_vec_by_sw_if_index[swi], "%d");
3068 vlib_cli_output (vm, "\n");
3069 vec_foreach (pj, am->input_acl_vec_by_sw_if_index[swi])
3071 acl_print_acl (vm, am, *pj);
3073 vlib_cli_output (vm, "\n");
3077 if ((swi < vec_len (am->output_acl_vec_by_sw_if_index)) &&
3078 (vec_len (am->output_acl_vec_by_sw_if_index[swi]) > 0))
3080 vlib_cli_output (vm, " output acl(s): %U", format_vec32,
3081 am->output_acl_vec_by_sw_if_index[swi], "%d");
3084 vlib_cli_output (vm, "\n");
3085 vec_foreach (pj, am->output_acl_vec_by_sw_if_index[swi])
3087 acl_print_acl (vm, am, *pj);
3089 vlib_cli_output (vm, "\n");
3092 if (detail && (swi < vec_len (am->input_lc_index_by_sw_if_index)))
3094 vlib_cli_output (vm, " input lookup context index: %d",
3095 am->input_lc_index_by_sw_if_index[swi]);
3097 if (detail && (swi < vec_len (am->output_lc_index_by_sw_if_index)))
3099 vlib_cli_output (vm, " output lookup context index: %d",
3100 am->output_lc_index_by_sw_if_index[swi]);
3107 static clib_error_t *
3108 acl_show_aclplugin_decode_5tuple_fn (vlib_main_t * vm,
3109 unformat_input_t * input,
3110 vlib_cli_command_t * cmd)
3112 clib_error_t *error = 0;
3113 u64 five_tuple[6] = { 0, 0, 0, 0, 0, 0 };
3116 (input, "%llx %llx %llx %llx %llx %llx", &five_tuple[0], &five_tuple[1],
3117 &five_tuple[2], &five_tuple[3], &five_tuple[4], &five_tuple[5]))
3118 vlib_cli_output (vm, "5-tuple structure decode: %U\n\n",
3119 format_acl_plugin_5tuple, five_tuple);
3121 error = clib_error_return (0, "expecting 6 hex integers");
3126 static clib_error_t *
3127 acl_show_aclplugin_interface_fn (vlib_main_t * vm,
3129 input, vlib_cli_command_t * cmd)
3131 clib_error_t *error = 0;
3132 acl_main_t *am = &acl_main;
3134 u32 sw_if_index = ~0;
3135 (void) unformat (input, "sw_if_index %u", &sw_if_index);
3136 int show_acl = unformat (input, "acl");
3137 int detail = unformat (input, "detail");
3139 acl_plugin_show_interface (am, sw_if_index, show_acl, detail);
3143 static clib_error_t *
3144 acl_show_aclplugin_memory_fn (vlib_main_t * vm,
3145 unformat_input_t * input,
3146 vlib_cli_command_t * cmd)
3148 clib_error_t *error = 0;
3149 acl_main_t *am = &acl_main;
3151 vlib_cli_output (vm, "ACL plugin main heap statistics:\n");
3154 vlib_cli_output (vm, " %U\n", format_mheap, am->acl_mheap, 1);
3158 vlib_cli_output (vm, " Not initialized\n");
3160 vlib_cli_output (vm, "ACL hash lookup support heap statistics:\n");
3161 if (am->hash_lookup_mheap)
3163 vlib_cli_output (vm, " %U\n", format_mheap, am->hash_lookup_mheap, 1);
3167 vlib_cli_output (vm, " Not initialized\n");
3173 acl_plugin_show_sessions (acl_main_t * am,
3174 u32 show_session_thread_id,
3175 u32 show_session_session_index)
3177 vlib_main_t *vm = am->vlib_main;
3179 vnet_interface_main_t *im = &am->vnet_main->interface_main;
3180 vnet_sw_interface_t *swif;
3181 u64 now = clib_cpu_time_now ();
3182 u64 clocks_per_second = am->vlib_main->clib_time.clocks_per_second;
3185 u64 n_adds = am->fa_session_total_adds;
3186 u64 n_dels = am->fa_session_total_dels;
3187 u64 n_deact = am->fa_session_total_deactivations;
3188 vlib_cli_output (vm, "Sessions total: add %lu - del %lu = %lu", n_adds,
3189 n_dels, n_adds - n_dels);
3190 vlib_cli_output (vm, "Sessions active: add %lu - deact %lu = %lu", n_adds,
3191 n_deact, n_adds - n_deact);
3192 vlib_cli_output (vm, "Sessions being purged: deact %lu - del %lu = %lu",
3193 n_deact, n_dels, n_deact - n_dels);
3195 vlib_cli_output (vm, "now: %lu clocks per second: %lu", now,
3197 vlib_cli_output (vm, "\n\nPer-thread data:");
3198 for (wk = 0; wk < vec_len (am->per_worker_data); wk++)
3200 acl_fa_per_worker_data_t *pw = &am->per_worker_data[wk];
3201 vlib_cli_output (vm, "Thread #%d:", wk);
3202 if (show_session_thread_id == wk
3203 && show_session_session_index < pool_len (pw->fa_sessions_pool))
3205 vlib_cli_output (vm, " session index %u:",
3206 show_session_session_index);
3207 fa_session_t *sess =
3208 pw->fa_sessions_pool + show_session_session_index;
3209 u64 *m = (u64 *) & sess->info;
3210 vlib_cli_output (vm,
3211 " info: %016llx %016llx %016llx %016llx %016llx %016llx",
3212 m[0], m[1], m[2], m[3], m[4], m[5]);
3213 vlib_cli_output (vm, " sw_if_index: %u", sess->sw_if_index);
3214 vlib_cli_output (vm, " tcp_flags_seen: %x",
3215 sess->tcp_flags_seen.as_u16);
3216 vlib_cli_output (vm, " last active time: %lu",
3217 sess->last_active_time);
3218 vlib_cli_output (vm, " thread index: %u", sess->thread_index);
3219 vlib_cli_output (vm, " link enqueue time: %lu",
3220 sess->link_enqueue_time);
3221 vlib_cli_output (vm, " link next index: %u",
3222 sess->link_next_idx);
3223 vlib_cli_output (vm, " link prev index: %u",
3224 sess->link_prev_idx);
3225 vlib_cli_output (vm, " link list id: %u", sess->link_list_id);
3227 vlib_cli_output (vm, " connection add/del stats:", wk);
3228 pool_foreach (swif, im->sw_interfaces, (
3235 (pw->fa_session_adds_by_sw_if_index)
3237 pw->fa_session_adds_by_sw_if_index
3242 (pw->fa_session_dels_by_sw_if_index)
3244 pw->fa_session_dels_by_sw_if_index
3246 u64 n_epoch_changes =
3249 (pw->fa_session_epoch_change_by_sw_if_index)
3251 pw->fa_session_epoch_change_by_sw_if_index
3253 vlib_cli_output (vm,
3254 " sw_if_index %d: add %lu - del %lu = %lu; epoch chg: %lu",
3264 vlib_cli_output (vm, " connection timeout type lists:", wk);
3266 for (tt = 0; tt < ACL_N_TIMEOUTS; tt++)
3268 u32 head_session_index = pw->fa_conn_list_head[tt];
3269 vlib_cli_output (vm, " fa_conn_list_head[%d]: %d", tt,
3270 head_session_index);
3271 if (~0 != head_session_index)
3273 fa_session_t *sess = pw->fa_sessions_pool + head_session_index;
3274 vlib_cli_output (vm, " last active time: %lu",
3275 sess->last_active_time);
3276 vlib_cli_output (vm, " link enqueue time: %lu",
3277 sess->link_enqueue_time);
3281 vlib_cli_output (vm, " Next expiry time: %lu", pw->next_expiry_time);
3282 vlib_cli_output (vm, " Requeue until time: %lu",
3283 pw->requeue_until_time);
3284 vlib_cli_output (vm, " Current time wait interval: %lu",
3285 pw->current_time_wait_interval);
3286 vlib_cli_output (vm, " Count of deleted sessions: %lu",
3287 pw->cnt_deleted_sessions);
3288 vlib_cli_output (vm, " Delete already deleted: %lu",
3289 pw->cnt_already_deleted_sessions);
3290 vlib_cli_output (vm, " Session timers restarted: %lu",
3291 pw->cnt_session_timer_restarted);
3292 vlib_cli_output (vm, " Swipe until this time: %lu",
3293 pw->swipe_end_time);
3294 vlib_cli_output (vm, " sw_if_index serviced bitmap: %U",
3295 format_bitmap_hex, pw->serviced_sw_if_index_bitmap);
3296 vlib_cli_output (vm, " pending clear intfc bitmap : %U",
3298 pw->pending_clear_sw_if_index_bitmap);
3299 vlib_cli_output (vm, " clear in progress: %u", pw->clear_in_process);
3300 vlib_cli_output (vm, " interrupt is pending: %d",
3301 pw->interrupt_is_pending);
3302 vlib_cli_output (vm, " interrupt is needed: %d",
3303 pw->interrupt_is_needed);
3304 vlib_cli_output (vm, " interrupt is unwanted: %d",
3305 pw->interrupt_is_unwanted);
3306 vlib_cli_output (vm, " interrupt generation: %d",
3307 pw->interrupt_generation);
3308 vlib_cli_output (vm, " received session change requests: %d",
3309 pw->rcvd_session_change_requests);
3310 vlib_cli_output (vm, " sent session change requests: %d",
3311 pw->sent_session_change_requests);
3313 vlib_cli_output (vm, "\n\nConn cleaner thread counters:");
3314 #define _(cnt, desc) vlib_cli_output(vm, " %20lu: %s", am->cnt, desc);
3315 foreach_fa_cleaner_counter;
3317 vlib_cli_output (vm, "Interrupt generation: %d",
3318 am->fa_interrupt_generation);
3319 vlib_cli_output (vm,
3320 "Sessions per interval: min %lu max %lu increment: %f ms current: %f ms",
3321 am->fa_min_deleted_sessions_per_interval,
3322 am->fa_max_deleted_sessions_per_interval,
3323 am->fa_cleaner_wait_time_increment * 1000.0,
3324 ((f64) am->fa_current_cleaner_timer_wait_interval) *
3325 1000.0 / (f64) vm->clib_time.clocks_per_second);
3326 vlib_cli_output (vm, "Reclassify sessions: %d", am->reclassify_sessions);
3329 static clib_error_t *
3330 acl_show_aclplugin_sessions_fn (vlib_main_t * vm,
3331 unformat_input_t * input,
3332 vlib_cli_command_t * cmd)
3334 clib_error_t *error = 0;
3335 acl_main_t *am = &acl_main;
3337 u32 show_bihash_verbose = 0;
3338 u32 show_session_thread_id = ~0;
3339 u32 show_session_session_index = ~0;
3340 (void) unformat (input, "thread %u index %u", &show_session_thread_id,
3341 &show_session_session_index);
3342 (void) unformat (input, "verbose %u", &show_bihash_verbose);
3344 acl_plugin_show_sessions (am, show_session_thread_id,
3345 show_session_session_index);
3346 show_fa_sessions_hash (vm, show_bihash_verbose);
3350 static clib_error_t *
3351 acl_show_aclplugin_tables_fn (vlib_main_t * vm,
3352 unformat_input_t * input,
3353 vlib_cli_command_t * cmd)
3355 clib_error_t *error = 0;
3359 int show_acl_hash_info = 0;
3360 int show_applied_info = 0;
3361 int show_mask_type = 0;
3362 int show_bihash = 0;
3363 u32 show_bihash_verbose = 0;
3365 if (unformat (input, "acl"))
3367 show_acl_hash_info = 1;
3368 /* mask-type is handy to see as well right there */
3370 unformat (input, "index %u", &acl_index);
3372 else if (unformat (input, "applied"))
3374 show_applied_info = 1;
3375 unformat (input, "lc_index %u", &lc_index);
3377 else if (unformat (input, "mask"))
3381 else if (unformat (input, "hash"))
3384 unformat (input, "verbose %u", &show_bihash_verbose);
3388 (show_mask_type || show_acl_hash_info || show_applied_info
3391 /* if no qualifiers specified, show all */
3393 show_acl_hash_info = 1;
3394 show_applied_info = 1;
3398 acl_plugin_show_tables_mask_type ();
3399 if (show_acl_hash_info)
3400 acl_plugin_show_tables_acl_hash_info (acl_index);
3401 if (show_applied_info)
3402 acl_plugin_show_tables_applied_info (lc_index);
3404 acl_plugin_show_tables_bihash (show_bihash_verbose);
3409 static clib_error_t *
3410 acl_clear_aclplugin_fn (vlib_main_t * vm,
3411 unformat_input_t * input, vlib_cli_command_t * cmd)
3413 clib_error_t *error = 0;
3414 acl_main_t *am = &acl_main;
3415 vlib_process_signal_event (am->vlib_main, am->fa_cleaner_node_index,
3416 ACL_FA_CLEANER_DELETE_BY_SW_IF_INDEX, ~0);
3421 VLIB_CLI_COMMAND (aclplugin_set_command, static) = {
3422 .path = "set acl-plugin",
3423 .short_help = "set acl-plugin session timeout {{udp idle}|tcp {idle|transient}} <seconds>",
3424 .function = acl_set_aclplugin_fn,
3427 VLIB_CLI_COMMAND (aclplugin_show_acl_command, static) = {
3428 .path = "show acl-plugin acl",
3429 .short_help = "show acl-plugin acl [index N]",
3430 .function = acl_show_aclplugin_acl_fn,
3433 VLIB_CLI_COMMAND (aclplugin_show_lookup_context_command, static) = {
3434 .path = "show acl-plugin lookup context",
3435 .short_help = "show acl-plugin lookup context [index N]",
3436 .function = acl_show_aclplugin_lookup_context_fn,
3439 VLIB_CLI_COMMAND (aclplugin_show_lookup_user_command, static) = {
3440 .path = "show acl-plugin lookup user",
3441 .short_help = "show acl-plugin lookup user [index N]",
3442 .function = acl_show_aclplugin_lookup_user_fn,
3445 VLIB_CLI_COMMAND (aclplugin_show_decode_5tuple_command, static) = {
3446 .path = "show acl-plugin decode 5tuple",
3447 .short_help = "show acl-plugin decode 5tuple XXXX XXXX XXXX XXXX XXXX XXXX",
3448 .function = acl_show_aclplugin_decode_5tuple_fn,
3451 VLIB_CLI_COMMAND (aclplugin_show_interface_command, static) = {
3452 .path = "show acl-plugin interface",
3453 .short_help = "show acl-plugin interface [sw_if_index N] [acl]",
3454 .function = acl_show_aclplugin_interface_fn,
3457 VLIB_CLI_COMMAND (aclplugin_show_memory_command, static) = {
3458 .path = "show acl-plugin memory",
3459 .short_help = "show acl-plugin memory",
3460 .function = acl_show_aclplugin_memory_fn,
3463 VLIB_CLI_COMMAND (aclplugin_show_sessions_command, static) = {
3464 .path = "show acl-plugin sessions",
3465 .short_help = "show acl-plugin sessions",
3466 .function = acl_show_aclplugin_sessions_fn,
3469 VLIB_CLI_COMMAND (aclplugin_show_tables_command, static) = {
3470 .path = "show acl-plugin tables",
3471 .short_help = "show acl-plugin tables [ acl [index N] | applied [ lc_index N ] | mask | hash [verbose N] ]",
3472 .function = acl_show_aclplugin_tables_fn,
3475 VLIB_CLI_COMMAND (aclplugin_show_macip_acl_command, static) = {
3476 .path = "show acl-plugin macip acl",
3477 .short_help = "show acl-plugin macip acl [index N]",
3478 .function = acl_show_aclplugin_macip_acl_fn,
3481 VLIB_CLI_COMMAND (aclplugin_show_macip_interface_command, static) = {
3482 .path = "show acl-plugin macip interface",
3483 .short_help = "show acl-plugin macip interface",
3484 .function = acl_show_aclplugin_macip_interface_fn,
3487 VLIB_CLI_COMMAND (aclplugin_clear_command, static) = {
3488 .path = "clear acl-plugin sessions",
3489 .short_help = "clear acl-plugin sessions",
3490 .function = acl_clear_aclplugin_fn,
3494 static clib_error_t *
3495 acl_plugin_config (vlib_main_t * vm, unformat_input_t * input)
3497 acl_main_t *am = &acl_main;
3498 u32 conn_table_hash_buckets;
3499 uword conn_table_hash_memory_size;
3500 u32 conn_table_max_entries;
3501 uword main_heap_size;
3502 uword hash_heap_size;
3503 u32 hash_lookup_hash_buckets;
3504 uword hash_lookup_hash_memory;
3505 u32 reclassify_sessions;
3506 u32 use_tuple_merge;
3507 u32 tuple_merge_split_threshold;
3509 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
3512 (input, "connection hash buckets %d", &conn_table_hash_buckets))
3513 am->fa_conn_table_hash_num_buckets = conn_table_hash_buckets;
3516 (input, "connection hash memory %U", unformat_memory_size,
3517 &conn_table_hash_memory_size))
3518 am->fa_conn_table_hash_memory_size = conn_table_hash_memory_size;
3519 else if (unformat (input, "connection count max %d",
3520 &conn_table_max_entries))
3521 am->fa_conn_table_max_entries = conn_table_max_entries;
3524 (input, "main heap size %U", unformat_memory_size,
3526 am->acl_mheap_size = main_heap_size;
3529 (input, "hash lookup heap size %U", unformat_memory_size,
3531 am->hash_lookup_mheap_size = hash_heap_size;
3532 else if (unformat (input, "hash lookup hash buckets %d",
3533 &hash_lookup_hash_buckets))
3534 am->hash_lookup_hash_buckets = hash_lookup_hash_buckets;
3537 (input, "hash lookup hash memory %U", unformat_memory_size,
3538 &hash_lookup_hash_memory))
3539 am->hash_lookup_hash_memory = hash_lookup_hash_memory;
3540 else if (unformat (input, "use tuple merge %d", &use_tuple_merge))
3541 am->use_tuple_merge = use_tuple_merge;
3544 (input, "tuple merge split threshold %d",
3545 &tuple_merge_split_threshold))
3546 am->tuple_merge_split_threshold = tuple_merge_split_threshold;
3548 else if (unformat (input, "reclassify sessions %d",
3549 &reclassify_sessions))
3550 am->reclassify_sessions = reclassify_sessions;
3553 return clib_error_return (0, "unknown input '%U'",
3554 format_unformat_error, input);
3559 VLIB_CONFIG_FUNCTION (acl_plugin_config, "acl-plugin");
3561 static clib_error_t *
3562 acl_init (vlib_main_t * vm)
3564 acl_main_t *am = &acl_main;
3565 clib_error_t *error = 0;
3566 clib_memset (am, 0, sizeof (*am));
3568 am->vnet_main = vnet_get_main ();
3569 am->log_default = vlib_log_register_class ("acl_plugin", 0);
3571 u8 *name = format (0, "acl_%08x%c", api_version, 0);
3573 /* Ask for a correctly-sized block of API message decode slots */
3574 am->msg_id_base = vl_msg_api_get_msg_ids ((char *) name,
3575 VL_MSG_FIRST_AVAILABLE);
3577 error = acl_plugin_api_hookup (vm);
3579 /* Add our API messages to the global name_crc hash table */
3580 setup_message_id_table (am, &api_main);
3587 error = acl_plugin_exports_init (&acl_plugin);
3592 am->acl_mheap_size = 0; /* auto size when initializing */
3593 am->hash_lookup_mheap_size = ACL_PLUGIN_HASH_LOOKUP_HEAP_SIZE;
3595 am->hash_lookup_hash_buckets = ACL_PLUGIN_HASH_LOOKUP_HASH_BUCKETS;
3596 am->hash_lookup_hash_memory = ACL_PLUGIN_HASH_LOOKUP_HASH_MEMORY;
3598 am->session_timeout_sec[ACL_TIMEOUT_TCP_TRANSIENT] =
3599 TCP_SESSION_TRANSIENT_TIMEOUT_SEC;
3600 am->session_timeout_sec[ACL_TIMEOUT_TCP_IDLE] =
3601 TCP_SESSION_IDLE_TIMEOUT_SEC;
3602 am->session_timeout_sec[ACL_TIMEOUT_UDP_IDLE] =
3603 UDP_SESSION_IDLE_TIMEOUT_SEC;
3605 am->fa_conn_table_hash_num_buckets =
3606 ACL_FA_CONN_TABLE_DEFAULT_HASH_NUM_BUCKETS;
3607 am->fa_conn_table_hash_memory_size =
3608 ACL_FA_CONN_TABLE_DEFAULT_HASH_MEMORY_SIZE;
3609 am->fa_conn_table_max_entries = ACL_FA_CONN_TABLE_DEFAULT_MAX_ENTRIES;
3610 am->reclassify_sessions = 0;
3611 vlib_thread_main_t *tm = vlib_get_thread_main ();
3613 am->fa_min_deleted_sessions_per_interval =
3614 ACL_FA_DEFAULT_MIN_DELETED_SESSIONS_PER_INTERVAL;
3615 am->fa_max_deleted_sessions_per_interval =
3616 ACL_FA_DEFAULT_MAX_DELETED_SESSIONS_PER_INTERVAL;
3617 am->fa_cleaner_wait_time_increment =
3618 ACL_FA_DEFAULT_CLEANER_WAIT_TIME_INCREMENT;
3620 vec_validate (am->per_worker_data, tm->n_vlib_mains - 1);
3623 for (wk = 0; wk < vec_len (am->per_worker_data); wk++)
3625 acl_fa_per_worker_data_t *pw = &am->per_worker_data[wk];
3626 if (tm->n_vlib_mains > 1)
3628 clib_spinlock_init (&pw->pending_session_change_request_lock);
3630 vec_validate (pw->expired,
3632 am->fa_max_deleted_sessions_per_interval);
3633 _vec_len (pw->expired) = 0;
3634 vec_validate_init_empty (pw->fa_conn_list_head, ACL_N_TIMEOUTS - 1,
3635 FA_SESSION_BOGUS_INDEX);
3636 vec_validate_init_empty (pw->fa_conn_list_tail, ACL_N_TIMEOUTS - 1,
3637 FA_SESSION_BOGUS_INDEX);
3638 vec_validate_init_empty (pw->fa_conn_list_head_expiry_time,
3639 ACL_N_TIMEOUTS - 1, ~0ULL);
3643 am->fa_cleaner_cnt_delete_by_sw_index = 0;
3644 am->fa_cleaner_cnt_delete_by_sw_index_ok = 0;
3645 am->fa_cleaner_cnt_unknown_event = 0;
3646 am->fa_cleaner_cnt_timer_restarted = 0;
3647 am->fa_cleaner_cnt_wait_with_timeout = 0;
3650 #define _(N, v, s) am->fa_ipv6_known_eh_bitmap = clib_bitmap_set(am->fa_ipv6_known_eh_bitmap, v, 1);
3653 am->l4_match_nonfirst_fragment = 1;
3655 /* use the new fancy hash-based matching */
3656 am->use_hash_acl_matching = 1;
3657 /* use tuplemerge by default */
3658 am->use_tuple_merge = 1;
3659 /* Set the default threshold */
3660 am->tuple_merge_split_threshold = TM_SPLIT_THRESHOLD;
3662 am->interface_acl_user_id = ~0; /* defer till the first use */
3667 VLIB_INIT_FUNCTION (acl_init);
3671 * fd.io coding-style-patch-verification: ON
3674 * eval: (c-set-style "gnu")