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];
793 acl_plugin.get_lookup_context_index (am->interface_acl_user_id,
794 sw_if_index, is_input);
795 (*pinout_lc_index_by_sw_if_index)[sw_if_index] = lc_index;
797 acl_plugin.set_acl_vec_for_context (lc_index, vec_acl_list_index);
801 if (~0 != (*pinout_lc_index_by_sw_if_index)[sw_if_index])
803 acl_plugin.put_lookup_context_index ((*pinout_lc_index_by_sw_if_index)[sw_if_index]);
804 (*pinout_lc_index_by_sw_if_index)[sw_if_index] = ~0;
808 /* ensure ACL processing is enabled/disabled as needed */
809 acl_interface_inout_enable_disable (am, sw_if_index, is_input,
810 vec_len (vec_acl_list_index) > 0);
813 clib_bitmap_free (change_acl_bitmap);
814 clib_bitmap_free (seen_acl_bitmap);
815 clib_bitmap_free (old_seen_acl_bitmap);
820 acl_interface_reset_inout_acls (u32 sw_if_index, u8 is_input,
821 int *may_clear_sessions)
823 acl_main_t *am = &acl_main;
824 void *oldheap = acl_set_heap (am);
825 acl_interface_set_inout_acl_list (am, sw_if_index, is_input, 0,
827 clib_mem_set_heap (oldheap);
831 acl_interface_add_del_inout_acl (u32 sw_if_index, u8 is_add, u8 is_input,
835 acl_main_t *am = &acl_main;
837 int may_clear_sessions = 1;
839 int error_already_applied = is_input ? VNET_API_ERROR_ACL_IN_USE_INBOUND
840 : VNET_API_ERROR_ACL_IN_USE_OUTBOUND;
842 u32 ***pinout_acl_vec_by_sw_if_index =
844 input_acl_vec_by_sw_if_index : &am->output_acl_vec_by_sw_if_index;
846 void *oldheap = acl_set_heap (am);
850 vec_validate ((*pinout_acl_vec_by_sw_if_index), sw_if_index);
851 u32 index = vec_search ((*pinout_acl_vec_by_sw_if_index)[sw_if_index],
856 rv = error_already_applied;
860 acl_vec = vec_dup ((*pinout_acl_vec_by_sw_if_index)[sw_if_index]);
861 vec_add1 (acl_vec, acl_list_index);
865 if (sw_if_index >= vec_len (*pinout_acl_vec_by_sw_if_index))
867 rv = VNET_API_ERROR_NO_SUCH_ENTRY;
871 u32 index = vec_search ((*pinout_acl_vec_by_sw_if_index)[sw_if_index],
876 rv = VNET_API_ERROR_NO_SUCH_ENTRY;
880 acl_vec = vec_dup ((*pinout_acl_vec_by_sw_if_index)[sw_if_index]);
881 vec_del1 (acl_vec, index);
884 rv = acl_interface_set_inout_acl_list (am, sw_if_index, is_input, acl_vec,
885 &may_clear_sessions);
888 clib_mem_set_heap (oldheap);
893 acl_set_etype_whitelists (acl_main_t * am, u32 sw_if_index, u16 * vec_in,
896 vec_validate (am->input_etype_whitelist_by_sw_if_index, sw_if_index);
897 vec_validate (am->output_etype_whitelist_by_sw_if_index, sw_if_index);
899 vec_free (am->input_etype_whitelist_by_sw_if_index[sw_if_index]);
900 vec_free (am->output_etype_whitelist_by_sw_if_index[sw_if_index]);
902 am->input_etype_whitelist_by_sw_if_index[sw_if_index] = vec_in;
903 am->output_etype_whitelist_by_sw_if_index[sw_if_index] = vec_out;
906 * if there are already inbound/outbound ACLs applied, toggle the
907 * enable/disable - this will recreate the necessary tables.
910 if (vec_len (am->input_acl_vec_by_sw_if_index) > sw_if_index)
912 if (vec_len (am->input_acl_vec_by_sw_if_index[sw_if_index]) > 0)
914 acl_interface_in_enable_disable (am, sw_if_index, 0);
915 acl_interface_in_enable_disable (am, sw_if_index, 1);
918 if (vec_len (am->output_acl_vec_by_sw_if_index) > sw_if_index)
920 if (vec_len (am->output_acl_vec_by_sw_if_index[sw_if_index]) > 0)
922 acl_interface_out_enable_disable (am, sw_if_index, 0);
923 acl_interface_out_enable_disable (am, sw_if_index, 1);
939 u32 dot1q_table_index;
940 u32 dot1ad_table_index;
941 u32 arp_dot1q_table_index;
942 u32 arp_dot1ad_table_index;
945 u32 out_arp_table_index;
946 u32 out_dot1q_table_index;
947 u32 out_dot1ad_table_index;
948 u32 out_arp_dot1q_table_index;
949 u32 out_arp_dot1ad_table_index;
950 } macip_match_type_t;
953 macip_find_match_type (macip_match_type_t * mv, u8 * mac_mask, u8 prefix_len,
959 for (i = 0; i < vec_len (mv); i++)
961 if ((mv[i].prefix_len == prefix_len) && (mv[i].is_ipv6 == is_ipv6)
962 && (0 == memcmp (mv[i].mac_mask, mac_mask, 6)))
972 /* Get metric used to sort match types.
973 The more specific and the more often seen - the bigger the metric */
975 match_type_metric (macip_match_type_t * m)
977 unsigned int mac_bits_set = 0;
978 unsigned int mac_byte;
980 for (i = 0; i < 6; i++)
982 mac_byte = m->mac_mask[i];
983 for (; mac_byte; mac_byte >>= 1)
984 mac_bits_set += mac_byte & 1;
987 * Attempt to place the more specific and the more used rules on top.
988 * There are obvious caveat corner cases to this, but they do not
989 * seem to be sensible in real world (e.g. specific IPv4 with wildcard MAC
990 * going with a wildcard IPv4 with a specific MAC).
992 return m->prefix_len + mac_bits_set + m->is_ipv6 + 10 * m->count;
996 match_type_compare (macip_match_type_t * m1, macip_match_type_t * m2)
998 /* Ascending sort based on the metric values */
999 return match_type_metric (m1) - match_type_metric (m2);
1002 /* Get the offset of L3 source within ethernet packet */
1004 get_l3_src_offset (int is6)
1007 return (sizeof (ethernet_header_t) +
1008 offsetof (ip6_header_t, src_address));
1010 return (sizeof (ethernet_header_t) +
1011 offsetof (ip4_header_t, src_address));
1015 get_l3_dst_offset (int is6)
1018 return (sizeof (ethernet_header_t) +
1019 offsetof (ip6_header_t, dst_address));
1021 return (sizeof (ethernet_header_t) +
1022 offsetof (ip4_header_t, dst_address));
1026 * return if the is_permit value also requires to create the egress tables
1027 * For backwards compatibility, we keep the is_permit = 1 to only
1028 * create the ingress tables, and the new value of 3 will also
1029 * create the egress tables based on destination.
1032 macip_permit_also_egress (u8 is_permit)
1034 return (is_permit == 3);
1038 macip_create_classify_tables (acl_main_t * am, u32 macip_acl_index)
1040 macip_match_type_t *mvec = NULL;
1041 macip_match_type_t *mt;
1042 macip_acl_list_t *a = pool_elt_at_index (am->macip_acls, macip_acl_index);
1044 u32 match_type_index;
1048 vnet_classify_main_t *cm = &vnet_classify_main;
1050 /* Count the number of different types of rules */
1051 for (i = 0; i < a->count; i++)
1055 macip_find_match_type (mvec, a->rules[i].src_mac_mask,
1056 a->rules[i].src_prefixlen,
1057 a->rules[i].is_ipv6)))
1059 match_type_index = vec_len (mvec);
1060 vec_validate (mvec, match_type_index);
1061 memcpy (mvec[match_type_index].mac_mask,
1062 a->rules[i].src_mac_mask, 6);
1063 mvec[match_type_index].prefix_len = a->rules[i].src_prefixlen;
1064 mvec[match_type_index].is_ipv6 = a->rules[i].is_ipv6;
1065 mvec[match_type_index].has_egress = 0;
1066 mvec[match_type_index].table_index = ~0;
1067 mvec[match_type_index].arp_table_index = ~0;
1068 mvec[match_type_index].dot1q_table_index = ~0;
1069 mvec[match_type_index].dot1ad_table_index = ~0;
1070 mvec[match_type_index].arp_dot1q_table_index = ~0;
1071 mvec[match_type_index].arp_dot1ad_table_index = ~0;
1072 mvec[match_type_index].out_table_index = ~0;
1073 mvec[match_type_index].out_arp_table_index = ~0;
1074 mvec[match_type_index].out_dot1q_table_index = ~0;
1075 mvec[match_type_index].out_dot1ad_table_index = ~0;
1076 mvec[match_type_index].out_arp_dot1q_table_index = ~0;
1077 mvec[match_type_index].out_arp_dot1ad_table_index = ~0;
1079 mvec[match_type_index].count++;
1080 mvec[match_type_index].has_egress |=
1081 macip_permit_also_egress (a->rules[i].is_permit);
1083 /* Put the most frequently used tables last in the list so we can create classifier tables in reverse order */
1084 vec_sort_with_function (mvec, match_type_compare);
1085 /* Create the classifier tables */
1087 out_last_table = ~0;
1088 /* First add ARP tables */
1089 vec_foreach (mt, mvec)
1092 int is6 = mt->is_ipv6;
1094 u32 *last_tag_table;
1095 u32 *out_last_tag_table;
1102 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
1103 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
1104 | Destination Address |
1105 + +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
1107 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +
1109 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
1110 | EtherType | Hardware Type |
1111 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
1112 | Protocol Type | Hw addr len | Proto addr len|
1113 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
1115 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +
1116 | Sender Hardware Address |
1117 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
1118 | Sender Protocol Address |
1119 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
1120 | Target Hardware Address |
1121 + +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
1122 | | TargetProtocolAddress |
1123 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
1125 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
1127 for (tags = 2; tags >= 0; tags--)
1129 clib_memset (mask, 0, sizeof (mask));
1130 /* source MAC address */
1131 memcpy (&mask[6], mt->mac_mask, 6);
1137 clib_memset (&mask[12], 0xff, 2); /* ethernet protocol */
1139 last_tag_table = &mt->arp_table_index;
1142 clib_memset (&mask[12], 0xff, 2); /* VLAN tag1 */
1143 clib_memset (&mask[16], 0xff, 2); /* ethernet protocol */
1145 last_tag_table = &mt->arp_dot1q_table_index;
1148 clib_memset (&mask[12], 0xff, 2); /* VLAN tag1 */
1149 clib_memset (&mask[16], 0xff, 2); /* VLAN tag2 */
1150 clib_memset (&mask[20], 0xff, 2); /* ethernet protocol */
1152 last_tag_table = &mt->arp_dot1ad_table_index;
1156 /* sender hardware address within ARP */
1157 memcpy (&mask[l3_offset + 8], mt->mac_mask, 6);
1158 /* sender protocol address within ARP */
1159 for (i = 0; i < (mt->prefix_len / 8); i++)
1160 mask[l3_offset + 14 + i] = 0xff;
1161 if (mt->prefix_len % 8)
1162 mask[l3_offset + 14 + (mt->prefix_len / 8)] =
1163 0xff - ((1 << (8 - mt->prefix_len % 8)) - 1);
1165 mask_len = ((l3_offset + 14 + ((mt->prefix_len + 7) / 8) +
1167 1)) / sizeof (u32x4)) * sizeof (u32x4);
1168 acl_classify_add_del_table_small (cm, mask, mask_len, last_table,
1169 (~0 == last_table) ? 0 : ~0,
1171 last_table = *last_tag_table;
1174 /* egress ARP table */
1175 clib_memset (mask, 0, sizeof (mask));
1181 clib_memset (&mask[12], 0xff, 2); /* ethernet protocol */
1183 out_last_tag_table = &mt->out_arp_table_index;
1186 clib_memset (&mask[12], 0xff, 2); /* VLAN tag1 */
1187 clib_memset (&mask[16], 0xff, 2); /* ethernet protocol */
1189 out_last_tag_table = &mt->out_arp_dot1q_table_index;
1192 clib_memset (&mask[12], 0xff, 2); /* VLAN tag1 */
1193 clib_memset (&mask[16], 0xff, 2); /* VLAN tag2 */
1194 clib_memset (&mask[20], 0xff, 2); /* ethernet protocol */
1196 out_last_tag_table = &mt->out_arp_dot1ad_table_index;
1200 /* AYXX: FIXME here - can we tighten the ARP-related table more ? */
1201 /* mask captures just the destination and the ethertype */
1202 mask_len = ((l3_offset +
1204 1)) / sizeof (u32x4)) * sizeof (u32x4);
1205 acl_classify_add_del_table_small (cm, mask, mask_len,
1208 out_last_table) ? 0 : ~0,
1209 out_last_tag_table, 1);
1210 out_last_table = *out_last_tag_table;
1215 /* Now add IP[46] tables */
1216 vec_foreach (mt, mvec)
1219 int is6 = mt->is_ipv6;
1223 u32 *last_tag_table;
1224 u32 *out_last_tag_table;
1227 * create chained tables for VLAN (no-tags, dot1q and dot1ad) packets
1229 for (tags = 2; tags >= 0; tags--)
1231 clib_memset (mask, 0, sizeof (mask));
1232 memcpy (&mask[6], mt->mac_mask, 6);
1233 l3_src_offs = tags * 4 + get_l3_src_offset (is6);
1238 clib_memset (&mask[12], 0xff, 2); /* ethernet protocol */
1239 last_tag_table = &mt->table_index;
1242 clib_memset (&mask[12], 0xff, 2); /* VLAN tag1 */
1243 clib_memset (&mask[16], 0xff, 2); /* ethernet protocol */
1244 last_tag_table = &mt->dot1q_table_index;
1247 clib_memset (&mask[12], 0xff, 2); /* VLAN tag1 */
1248 clib_memset (&mask[16], 0xff, 2); /* VLAN tag2 */
1249 clib_memset (&mask[20], 0xff, 2); /* ethernet protocol */
1250 last_tag_table = &mt->dot1ad_table_index;
1253 for (i = 0; i < (mt->prefix_len / 8); i++)
1255 mask[l3_src_offs + i] = 0xff;
1257 if (mt->prefix_len % 8)
1259 mask[l3_src_offs + (mt->prefix_len / 8)] =
1260 0xff - ((1 << (8 - mt->prefix_len % 8)) - 1);
1263 * Round-up the number of bytes needed to store the prefix,
1264 * and round up the number of vectors too
1266 mask_len = ((l3_src_offs + ((mt->prefix_len + 7) / 8) +
1267 (sizeof (u32x4) - 1)) / sizeof (u32x4)) * sizeof (u32x4);
1268 acl_classify_add_del_table_small (cm, mask, mask_len, last_table,
1269 (~0 == last_table) ? 0 : ~0,
1271 last_table = *last_tag_table;
1275 for (tags = 2; tags >= 0; tags--)
1277 clib_memset (mask, 0, sizeof (mask));
1278 /* MAC destination */
1279 memcpy (&mask[0], mt->mac_mask, 6);
1280 l3_dst_offs = tags * 4 + get_l3_dst_offset (is6);
1285 clib_memset (&mask[12], 0xff, 2); /* ethernet protocol */
1286 out_last_tag_table = &mt->out_table_index;
1289 clib_memset (&mask[12], 0xff, 2); /* VLAN tag1 */
1290 clib_memset (&mask[16], 0xff, 2); /* ethernet protocol */
1291 out_last_tag_table = &mt->out_dot1q_table_index;
1294 clib_memset (&mask[12], 0xff, 2); /* VLAN tag1 */
1295 clib_memset (&mask[16], 0xff, 2); /* VLAN tag2 */
1296 clib_memset (&mask[20], 0xff, 2); /* ethernet protocol */
1297 out_last_tag_table = &mt->out_dot1ad_table_index;
1300 for (i = 0; i < (mt->prefix_len / 8); i++)
1302 mask[l3_dst_offs + i] = 0xff;
1304 if (mt->prefix_len % 8)
1306 mask[l3_dst_offs + (mt->prefix_len / 8)] =
1307 0xff - ((1 << (8 - mt->prefix_len % 8)) - 1);
1310 * Round-up the number of bytes needed to store the prefix,
1311 * and round up the number of vectors too
1313 mask_len = ((l3_dst_offs + ((mt->prefix_len + 7) / 8) +
1315 1)) / sizeof (u32x4)) * sizeof (u32x4);
1316 acl_classify_add_del_table_small (cm, mask, mask_len,
1318 (~0 == out_last_table) ? 0 : ~0,
1319 out_last_tag_table, 1);
1320 out_last_table = *out_last_tag_table;
1324 a->ip4_table_index = last_table;
1325 a->ip6_table_index = last_table;
1326 a->l2_table_index = last_table;
1328 a->out_ip4_table_index = out_last_table;
1329 a->out_ip6_table_index = out_last_table;
1330 a->out_l2_table_index = out_last_table;
1332 /* Populate the classifier tables with rules from the MACIP ACL */
1333 for (i = 0; i < a->count; i++)
1337 int is6 = a->rules[i].is_ipv6;
1344 macip_find_match_type (mvec, a->rules[i].src_mac_mask,
1345 a->rules[i].src_prefixlen,
1346 a->rules[i].is_ipv6);
1347 ASSERT (match_type_index != ~0);
1349 for (tags = 2; tags >= 0; tags--)
1351 clib_memset (mask, 0, sizeof (mask));
1352 l3_src_offs = tags * 4 + get_l3_src_offset (is6);
1353 memcpy (&mask[6], a->rules[i].src_mac, 6);
1358 tag_table = mvec[match_type_index].table_index;
1362 tag_table = mvec[match_type_index].dot1q_table_index;
1368 tag_table = mvec[match_type_index].dot1ad_table_index;
1378 memcpy (&mask[l3_src_offs], &a->rules[i].src_ip_addr.ip6, 16);
1380 mask[eth + 1] = 0xdd;
1384 memcpy (&mask[l3_src_offs], &a->rules[i].src_ip_addr.ip4, 4);
1386 mask[eth + 1] = 0x00;
1389 /* add session to table mvec[match_type_index].table_index; */
1390 vnet_classify_add_del_session (cm, tag_table,
1391 mask, a->rules[i].is_permit ? ~0 : 0,
1392 i, 0, action, metadata, 1);
1393 clib_memset (&mask[12], 0, sizeof (mask) - 12);
1396 /* add ARP table entry too */
1397 if (!is6 && (mvec[match_type_index].arp_table_index != ~0))
1399 clib_memset (mask, 0, sizeof (mask));
1400 memcpy (&mask[6], a->rules[i].src_mac, 6);
1402 for (tags = 2; tags >= 0; tags--)
1408 tag_table = mvec[match_type_index].arp_table_index;
1414 tag_table = mvec[match_type_index].arp_dot1q_table_index;
1422 tag_table = mvec[match_type_index].arp_dot1ad_table_index;
1433 memcpy (&mask[l3_src_offs + 8], a->rules[i].src_mac, 6);
1434 memcpy (&mask[l3_src_offs + 14], &a->rules[i].src_ip_addr.ip4,
1436 vnet_classify_add_del_session (cm, tag_table, mask,
1437 a->rules[i].is_permit ? ~0 : 0,
1438 i, 0, action, metadata, 1);
1441 if (macip_permit_also_egress (a->rules[i].is_permit))
1443 /* Add the egress entry with destination set */
1444 for (tags = 2; tags >= 0; tags--)
1446 clib_memset (mask, 0, sizeof (mask));
1447 l3_dst_offs = tags * 4 + get_l3_dst_offset (is6);
1448 /* src mac in the other direction becomes dst */
1449 memcpy (&mask[0], a->rules[i].src_mac, 6);
1454 tag_table = mvec[match_type_index].out_table_index;
1458 tag_table = mvec[match_type_index].out_dot1q_table_index;
1464 tag_table = mvec[match_type_index].out_dot1ad_table_index;
1474 memcpy (&mask[l3_dst_offs], &a->rules[i].src_ip_addr.ip6,
1477 mask[eth + 1] = 0xdd;
1481 memcpy (&mask[l3_dst_offs], &a->rules[i].src_ip_addr.ip4,
1484 mask[eth + 1] = 0x00;
1487 /* add session to table mvec[match_type_index].table_index; */
1488 vnet_classify_add_del_session (cm, tag_table,
1490 a->rules[i].is_permit ? ~0 : 0,
1491 i, 0, action, metadata, 1);
1492 // clib_memset (&mask[12], 0, sizeof (mask) - 12);
1495 /* add ARP table entry too */
1496 if (!is6 && (mvec[match_type_index].out_arp_table_index != ~0))
1498 for (tags = 2; tags >= 0; tags--)
1500 clib_memset (mask, 0, sizeof (mask));
1505 tag_table = mvec[match_type_index].out_arp_table_index;
1511 mvec[match_type_index].out_arp_dot1q_table_index;
1519 mvec[match_type_index].out_arp_dot1ad_table_index;
1529 vnet_classify_add_del_session (cm, tag_table,
1532 rules[i].is_permit ? ~0 : 0,
1533 i, 0, action, metadata, 1);
1542 macip_destroy_classify_tables (acl_main_t * am, u32 macip_acl_index)
1544 vnet_classify_main_t *cm = &vnet_classify_main;
1545 macip_acl_list_t *a = pool_elt_at_index (am->macip_acls, macip_acl_index);
1547 if (a->ip4_table_index != ~0)
1549 acl_classify_add_del_table_small (cm, 0, ~0, ~0, ~0,
1550 &a->ip4_table_index, 0);
1551 a->ip4_table_index = ~0;
1553 if (a->ip6_table_index != ~0)
1555 acl_classify_add_del_table_small (cm, 0, ~0, ~0, ~0,
1556 &a->ip6_table_index, 0);
1557 a->ip6_table_index = ~0;
1559 if (a->l2_table_index != ~0)
1561 acl_classify_add_del_table_small (cm, 0, ~0, ~0, ~0, &a->l2_table_index,
1563 a->l2_table_index = ~0;
1565 if (a->out_ip4_table_index != ~0)
1567 acl_classify_add_del_table_small (cm, 0, ~0, ~0, ~0,
1568 &a->out_ip4_table_index, 0);
1569 a->out_ip4_table_index = ~0;
1571 if (a->out_ip6_table_index != ~0)
1573 acl_classify_add_del_table_small (cm, 0, ~0, ~0, ~0,
1574 &a->out_ip6_table_index, 0);
1575 a->out_ip6_table_index = ~0;
1577 if (a->out_l2_table_index != ~0)
1579 acl_classify_add_del_table_small (cm, 0, ~0, ~0, ~0,
1580 &a->out_l2_table_index, 0);
1581 a->out_l2_table_index = ~0;
1586 macip_maybe_apply_unapply_classifier_tables (acl_main_t * am, u32 acl_index,
1592 macip_acl_list_t *a = pool_elt_at_index (am->macip_acls, acl_index);
1594 for (i = 0; i < vec_len (am->macip_acl_by_sw_if_index); i++)
1595 if (vec_elt (am->macip_acl_by_sw_if_index, i) == acl_index)
1597 rv0 = vnet_set_input_acl_intfc (am->vlib_main, i, a->ip4_table_index,
1598 a->ip6_table_index, a->l2_table_index,
1600 /* return the first unhappy outcome but make try to plough through. */
1603 vnet_set_output_acl_intfc (am->vlib_main, i, a->out_ip4_table_index,
1604 a->out_ip6_table_index,
1605 a->out_l2_table_index, is_apply);
1606 /* return the first unhappy outcome but make try to plough through. */
1613 macip_acl_add_list (u32 count, vl_api_macip_acl_rule_t rules[],
1614 u32 * acl_list_index, u8 * tag)
1616 acl_main_t *am = &acl_main;
1617 macip_acl_list_t *a;
1618 macip_acl_rule_t *r;
1619 macip_acl_rule_t *acl_new_rules = 0;
1623 if (*acl_list_index != ~0)
1625 /* They supplied some number, let's see if this MACIP ACL exists */
1626 if (pool_is_free_index (am->macip_acls, *acl_list_index))
1628 /* tried to replace a non-existent ACL, no point doing anything */
1630 ("acl-plugin-error: Trying to replace nonexistent MACIP ACL %d (tag %s)",
1631 *acl_list_index, tag);
1632 return VNET_API_ERROR_NO_SUCH_ENTRY;
1639 ("acl-plugin-warning: Trying to create empty MACIP ACL (tag %s)",
1642 /* if replacing the ACL, unapply the classifier tables first - they will be gone.. */
1643 if (~0 != *acl_list_index)
1644 rv = macip_maybe_apply_unapply_classifier_tables (am, *acl_list_index, 0);
1645 void *oldheap = acl_set_heap (am);
1646 /* Create and populate the rules */
1648 vec_validate (acl_new_rules, count - 1);
1650 for (i = 0; i < count; i++)
1652 r = &acl_new_rules[i];
1653 r->is_permit = rules[i].is_permit;
1654 r->is_ipv6 = rules[i].is_ipv6;
1655 memcpy (&r->src_mac, rules[i].src_mac, 6);
1656 memcpy (&r->src_mac_mask, rules[i].src_mac_mask, 6);
1657 if (rules[i].is_ipv6)
1658 memcpy (&r->src_ip_addr.ip6, rules[i].src_ip_addr, 16);
1660 memcpy (&r->src_ip_addr.ip4, rules[i].src_ip_addr, 4);
1661 r->src_prefixlen = rules[i].src_ip_prefix_len;
1664 if (~0 == *acl_list_index)
1667 pool_get_aligned (am->macip_acls, a, CLIB_CACHE_LINE_BYTES);
1668 clib_memset (a, 0, sizeof (*a));
1669 /* Will return the newly allocated ACL index */
1670 *acl_list_index = a - am->macip_acls;
1674 a = pool_elt_at_index (am->macip_acls, *acl_list_index);
1677 vec_free (a->rules);
1679 macip_destroy_classify_tables (am, *acl_list_index);
1682 a->rules = acl_new_rules;
1684 memcpy (a->tag, tag, sizeof (a->tag));
1686 /* Create and populate the classifier tables */
1687 macip_create_classify_tables (am, *acl_list_index);
1688 clib_mem_set_heap (oldheap);
1689 /* If the ACL was already applied somewhere, reapply the newly created tables */
1691 || macip_maybe_apply_unapply_classifier_tables (am, *acl_list_index, 1);
1695 /* No check that sw_if_index denotes a valid interface - the callers
1696 * were supposed to validate.
1698 * That said, if sw_if_index corresponds to an interface that exists at all,
1699 * this function must return errors accordingly if the ACL is not applied.
1703 macip_acl_interface_del_acl (acl_main_t * am, u32 sw_if_index)
1706 u32 macip_acl_index;
1707 macip_acl_list_t *a;
1709 /* The vector is too short - MACIP ACL is not applied */
1710 if (sw_if_index >= vec_len (am->macip_acl_by_sw_if_index))
1711 return VNET_API_ERROR_NO_SUCH_ENTRY;
1713 macip_acl_index = am->macip_acl_by_sw_if_index[sw_if_index];
1714 /* No point in deleting MACIP ACL which is not applied */
1715 if (~0 == macip_acl_index)
1716 return VNET_API_ERROR_NO_SUCH_ENTRY;
1718 a = pool_elt_at_index (am->macip_acls, macip_acl_index);
1719 /* remove the classifier tables off the interface L2 ACL */
1721 vnet_set_input_acl_intfc (am->vlib_main, sw_if_index, a->ip4_table_index,
1722 a->ip6_table_index, a->l2_table_index, 0);
1724 vnet_set_output_acl_intfc (am->vlib_main, sw_if_index,
1725 a->out_ip4_table_index, a->out_ip6_table_index,
1726 a->out_l2_table_index, 0);
1727 /* Unset the MACIP ACL index */
1728 am->macip_acl_by_sw_if_index[sw_if_index] = ~0;
1729 /* macip_acl_interface_add_acl did a vec_add1() to this previously, so [sw_if_index] should be valid */
1730 u32 index = vec_search (am->sw_if_index_vec_by_macip_acl[macip_acl_index],
1733 vec_del1 (am->sw_if_index_vec_by_macip_acl[macip_acl_index], index);
1737 /* No check for validity of sw_if_index - the callers were supposed to validate */
1740 macip_acl_interface_add_acl (acl_main_t * am, u32 sw_if_index,
1741 u32 macip_acl_index)
1743 macip_acl_list_t *a;
1745 if (pool_is_free_index (am->macip_acls, macip_acl_index))
1747 return VNET_API_ERROR_NO_SUCH_ENTRY;
1749 void *oldheap = acl_set_heap (am);
1750 a = pool_elt_at_index (am->macip_acls, macip_acl_index);
1751 vec_validate_init_empty (am->macip_acl_by_sw_if_index, sw_if_index, ~0);
1752 vec_validate (am->sw_if_index_vec_by_macip_acl, macip_acl_index);
1753 vec_add1 (am->sw_if_index_vec_by_macip_acl[macip_acl_index], sw_if_index);
1754 clib_mem_set_heap (oldheap);
1755 /* If there already a MACIP ACL applied, unapply it */
1756 if (~0 != am->macip_acl_by_sw_if_index[sw_if_index])
1757 macip_acl_interface_del_acl (am, sw_if_index);
1758 am->macip_acl_by_sw_if_index[sw_if_index] = macip_acl_index;
1760 /* Apply the classifier tables for L2 ACLs */
1762 vnet_set_input_acl_intfc (am->vlib_main, sw_if_index, a->ip4_table_index,
1763 a->ip6_table_index, a->l2_table_index, 1);
1765 vnet_set_output_acl_intfc (am->vlib_main, sw_if_index,
1766 a->out_ip4_table_index, a->out_ip6_table_index,
1767 a->out_l2_table_index, 1);
1772 macip_acl_del_list (u32 acl_list_index)
1774 acl_main_t *am = &acl_main;
1775 macip_acl_list_t *a;
1777 if (pool_is_free_index (am->macip_acls, acl_list_index))
1779 return VNET_API_ERROR_NO_SUCH_ENTRY;
1782 /* delete any references to the ACL */
1783 for (i = 0; i < vec_len (am->macip_acl_by_sw_if_index); i++)
1785 if (am->macip_acl_by_sw_if_index[i] == acl_list_index)
1787 macip_acl_interface_del_acl (am, i);
1791 void *oldheap = acl_set_heap (am);
1792 /* Now that classifier tables are detached, clean them up */
1793 macip_destroy_classify_tables (am, acl_list_index);
1795 /* now we can delete the ACL itself */
1796 a = pool_elt_at_index (am->macip_acls, acl_list_index);
1799 vec_free (a->rules);
1801 pool_put (am->macip_acls, a);
1802 clib_mem_set_heap (oldheap);
1808 macip_acl_interface_add_del_acl (u32 sw_if_index, u8 is_add,
1811 acl_main_t *am = &acl_main;
1815 rv = macip_acl_interface_add_acl (am, sw_if_index, acl_list_index);
1819 rv = macip_acl_interface_del_acl (am, sw_if_index);
1825 * If the client does not allocate enough memory for a variable-length
1826 * message, and then proceed to use it as if the full memory allocated,
1827 * absent the check we happily consume that on the VPP side, and go
1828 * along as if nothing happened. However, the resulting
1829 * effects range from just garbage in the API decode
1830 * (because the decoder snoops too far), to potential memory
1833 * This verifies that the actual length of the message is
1834 * at least expected_len, and complains loudly if it is not.
1836 * A failing check here is 100% a software bug on the API user side,
1837 * so we might as well yell.
1841 verify_message_len (void *mp, u32 expected_len, char *where)
1843 u32 supplied_len = vl_msg_api_get_msg_length (mp);
1844 if (supplied_len < expected_len)
1846 clib_warning ("%s: Supplied message length %d is less than expected %d",
1847 where, supplied_len, expected_len);
1856 /* API message handler */
1858 vl_api_acl_add_replace_t_handler (vl_api_acl_add_replace_t * mp)
1860 vl_api_acl_add_replace_reply_t *rmp;
1861 acl_main_t *am = &acl_main;
1863 u32 acl_list_index = ntohl (mp->acl_index);
1864 u32 acl_count = ntohl (mp->count);
1865 u32 expected_len = sizeof (*mp) + acl_count * sizeof (mp->r[0]);
1867 if (verify_message_len (mp, expected_len, "acl_add_replace"))
1869 rv = acl_add_list (acl_count, mp->r, &acl_list_index, mp->tag);
1873 rv = VNET_API_ERROR_INVALID_VALUE;
1877 REPLY_MACRO2(VL_API_ACL_ADD_REPLACE_REPLY,
1879 rmp->acl_index = htonl(acl_list_index);
1885 vl_api_acl_del_t_handler (vl_api_acl_del_t * mp)
1887 acl_main_t *am = &acl_main;
1888 vl_api_acl_del_reply_t *rmp;
1891 rv = acl_del_list (ntohl (mp->acl_index));
1893 REPLY_MACRO (VL_API_ACL_DEL_REPLY);
1897 vl_api_acl_interface_add_del_t_handler (vl_api_acl_interface_add_del_t * mp)
1899 acl_main_t *am = &acl_main;
1900 vnet_interface_main_t *im = &am->vnet_main->interface_main;
1901 u32 sw_if_index = ntohl (mp->sw_if_index);
1902 vl_api_acl_interface_add_del_reply_t *rmp;
1905 if (pool_is_free_index (im->sw_interfaces, sw_if_index))
1906 rv = VNET_API_ERROR_INVALID_SW_IF_INDEX;
1909 acl_interface_add_del_inout_acl (sw_if_index, mp->is_add,
1910 mp->is_input, ntohl (mp->acl_index));
1912 REPLY_MACRO (VL_API_ACL_INTERFACE_ADD_DEL_REPLY);
1916 vl_api_acl_interface_set_acl_list_t_handler
1917 (vl_api_acl_interface_set_acl_list_t * mp)
1919 acl_main_t *am = &acl_main;
1920 vl_api_acl_interface_set_acl_list_reply_t *rmp;
1923 vnet_interface_main_t *im = &am->vnet_main->interface_main;
1924 u32 sw_if_index = ntohl (mp->sw_if_index);
1926 if (pool_is_free_index (im->sw_interfaces, sw_if_index))
1927 rv = VNET_API_ERROR_INVALID_SW_IF_INDEX;
1930 int may_clear_sessions = 1;
1931 for (i = 0; i < mp->count; i++)
1933 if (acl_is_not_defined (am, ntohl (mp->acls[i])))
1935 /* ACL does not exist, so we can not apply it */
1936 rv = VNET_API_ERROR_NO_SUCH_ENTRY;
1941 void *oldheap = acl_set_heap (am);
1943 u32 *in_acl_vec = 0;
1944 u32 *out_acl_vec = 0;
1945 for (i = 0; i < mp->count; i++)
1946 if (i < mp->n_input)
1947 vec_add1 (in_acl_vec, clib_net_to_host_u32 (mp->acls[i]));
1949 vec_add1 (out_acl_vec, clib_net_to_host_u32 (mp->acls[i]));
1952 acl_interface_set_inout_acl_list (am, sw_if_index, 0, out_acl_vec,
1953 &may_clear_sessions);
1955 || acl_interface_set_inout_acl_list (am, sw_if_index, 1,
1957 &may_clear_sessions);
1958 vec_free (in_acl_vec);
1959 vec_free (out_acl_vec);
1960 clib_mem_set_heap (oldheap);
1964 REPLY_MACRO (VL_API_ACL_INTERFACE_SET_ACL_LIST_REPLY);
1968 copy_acl_rule_to_api_rule (vl_api_acl_rule_t * api_rule, acl_rule_t * r)
1970 api_rule->is_permit = r->is_permit;
1971 api_rule->is_ipv6 = r->is_ipv6;
1974 memcpy (api_rule->src_ip_addr, &r->src, sizeof (r->src));
1975 memcpy (api_rule->dst_ip_addr, &r->dst, sizeof (r->dst));
1979 memcpy (api_rule->src_ip_addr, &r->src.ip4, sizeof (r->src.ip4));
1980 memcpy (api_rule->dst_ip_addr, &r->dst.ip4, sizeof (r->dst.ip4));
1982 api_rule->src_ip_prefix_len = r->src_prefixlen;
1983 api_rule->dst_ip_prefix_len = r->dst_prefixlen;
1984 api_rule->proto = r->proto;
1985 api_rule->srcport_or_icmptype_first = htons (r->src_port_or_type_first);
1986 api_rule->srcport_or_icmptype_last = htons (r->src_port_or_type_last);
1987 api_rule->dstport_or_icmpcode_first = htons (r->dst_port_or_code_first);
1988 api_rule->dstport_or_icmpcode_last = htons (r->dst_port_or_code_last);
1989 api_rule->tcp_flags_mask = r->tcp_flags_mask;
1990 api_rule->tcp_flags_value = r->tcp_flags_value;
1994 send_acl_details (acl_main_t * am, vl_api_registration_t * reg,
1995 acl_list_t * acl, u32 context)
1997 vl_api_acl_details_t *mp;
1998 vl_api_acl_rule_t *rules;
2000 acl_rule_t *acl_rules = acl->rules;
2001 int msg_size = sizeof (*mp) + sizeof (mp->r[0]) * vec_len (acl_rules);
2002 void *oldheap = acl_set_heap (am);
2004 mp = vl_msg_api_alloc (msg_size);
2005 clib_memset (mp, 0, msg_size);
2006 mp->_vl_msg_id = ntohs (VL_API_ACL_DETAILS + am->msg_id_base);
2008 /* fill in the message */
2009 mp->context = context;
2010 mp->count = htonl (vec_len (acl_rules));
2011 mp->acl_index = htonl (acl - am->acls);
2012 memcpy (mp->tag, acl->tag, sizeof (mp->tag));
2013 // clib_memcpy (mp->r, acl->rules, acl->count * sizeof(acl->rules[0]));
2015 for (i = 0; i < vec_len (acl_rules); i++)
2017 copy_acl_rule_to_api_rule (&rules[i], &acl_rules[i]);
2020 clib_mem_set_heap (oldheap);
2021 vl_api_send_msg (reg, (u8 *) mp);
2026 vl_api_acl_dump_t_handler (vl_api_acl_dump_t * mp)
2028 acl_main_t *am = &acl_main;
2032 vl_api_registration_t *reg;
2034 reg = vl_api_client_index_to_registration (mp->client_index);
2038 if (mp->acl_index == ~0)
2041 /* Just dump all ACLs */
2042 pool_foreach (acl, am->acls,
2044 send_acl_details(am, reg, acl, mp->context);
2050 acl_index = ntohl (mp->acl_index);
2051 if (!pool_is_free_index (am->acls, acl_index))
2053 acl = pool_elt_at_index (am->acls, acl_index);
2054 send_acl_details (am, reg, acl, mp->context);
2060 /* FIXME API: should we signal an error here at all ? */
2066 send_acl_interface_list_details (acl_main_t * am,
2067 vl_api_registration_t * reg,
2068 u32 sw_if_index, u32 context)
2070 vl_api_acl_interface_list_details_t *mp;
2076 void *oldheap = acl_set_heap (am);
2078 vec_validate (am->input_acl_vec_by_sw_if_index, sw_if_index);
2079 vec_validate (am->output_acl_vec_by_sw_if_index, sw_if_index);
2081 clib_mem_set_heap (oldheap);
2083 n_input = vec_len (am->input_acl_vec_by_sw_if_index[sw_if_index]);
2084 n_output = vec_len (am->output_acl_vec_by_sw_if_index[sw_if_index]);
2085 count = n_input + n_output;
2087 msg_size = sizeof (*mp);
2088 msg_size += sizeof (mp->acls[0]) * count;
2090 mp = vl_msg_api_alloc (msg_size);
2091 clib_memset (mp, 0, msg_size);
2093 ntohs (VL_API_ACL_INTERFACE_LIST_DETAILS + am->msg_id_base);
2095 /* fill in the message */
2096 mp->context = context;
2097 mp->sw_if_index = htonl (sw_if_index);
2099 mp->n_input = n_input;
2100 for (i = 0; i < n_input; i++)
2102 mp->acls[i] = htonl (am->input_acl_vec_by_sw_if_index[sw_if_index][i]);
2104 for (i = 0; i < n_output; i++)
2106 mp->acls[n_input + i] =
2107 htonl (am->output_acl_vec_by_sw_if_index[sw_if_index][i]);
2109 vl_api_send_msg (reg, (u8 *) mp);
2113 vl_api_acl_interface_list_dump_t_handler (vl_api_acl_interface_list_dump_t *
2116 acl_main_t *am = &acl_main;
2117 vnet_sw_interface_t *swif;
2118 vnet_interface_main_t *im = &am->vnet_main->interface_main;
2121 vl_api_registration_t *reg;
2123 reg = vl_api_client_index_to_registration (mp->client_index);
2127 if (mp->sw_if_index == ~0)
2130 pool_foreach (swif, im->sw_interfaces,
2132 send_acl_interface_list_details(am, reg, swif->sw_if_index, mp->context);
2138 sw_if_index = ntohl (mp->sw_if_index);
2139 if (!pool_is_free_index (im->sw_interfaces, sw_if_index))
2140 send_acl_interface_list_details (am, reg, sw_if_index, mp->context);
2144 /* MACIP ACL API handlers */
2147 vl_api_macip_acl_add_t_handler (vl_api_macip_acl_add_t * mp)
2149 vl_api_macip_acl_add_reply_t *rmp;
2150 acl_main_t *am = &acl_main;
2152 u32 acl_list_index = ~0;
2153 u32 acl_count = ntohl (mp->count);
2154 u32 expected_len = sizeof (*mp) + acl_count * sizeof (mp->r[0]);
2156 if (verify_message_len (mp, expected_len, "macip_acl_add"))
2158 rv = macip_acl_add_list (acl_count, mp->r, &acl_list_index, mp->tag);
2162 rv = VNET_API_ERROR_INVALID_VALUE;
2166 REPLY_MACRO2(VL_API_MACIP_ACL_ADD_REPLY,
2168 rmp->acl_index = htonl(acl_list_index);
2174 vl_api_macip_acl_add_replace_t_handler (vl_api_macip_acl_add_replace_t * mp)
2176 vl_api_macip_acl_add_replace_reply_t *rmp;
2177 acl_main_t *am = &acl_main;
2179 u32 acl_list_index = ntohl (mp->acl_index);
2180 u32 acl_count = ntohl (mp->count);
2181 u32 expected_len = sizeof (*mp) + acl_count * sizeof (mp->r[0]);
2183 if (verify_message_len (mp, expected_len, "macip_acl_add_replace"))
2185 rv = macip_acl_add_list (acl_count, mp->r, &acl_list_index, mp->tag);
2189 rv = VNET_API_ERROR_INVALID_VALUE;
2193 REPLY_MACRO2(VL_API_MACIP_ACL_ADD_REPLACE_REPLY,
2195 rmp->acl_index = htonl(acl_list_index);
2201 vl_api_macip_acl_del_t_handler (vl_api_macip_acl_del_t * mp)
2203 acl_main_t *am = &acl_main;
2204 vl_api_macip_acl_del_reply_t *rmp;
2207 rv = macip_acl_del_list (ntohl (mp->acl_index));
2209 REPLY_MACRO (VL_API_MACIP_ACL_DEL_REPLY);
2213 vl_api_macip_acl_interface_add_del_t_handler
2214 (vl_api_macip_acl_interface_add_del_t * mp)
2216 acl_main_t *am = &acl_main;
2217 vl_api_macip_acl_interface_add_del_reply_t *rmp;
2219 vnet_interface_main_t *im = &am->vnet_main->interface_main;
2220 u32 sw_if_index = ntohl (mp->sw_if_index);
2222 if (pool_is_free_index (im->sw_interfaces, sw_if_index))
2223 rv = VNET_API_ERROR_INVALID_SW_IF_INDEX;
2226 macip_acl_interface_add_del_acl (ntohl (mp->sw_if_index), mp->is_add,
2227 ntohl (mp->acl_index));
2229 REPLY_MACRO (VL_API_MACIP_ACL_INTERFACE_ADD_DEL_REPLY);
2233 send_macip_acl_details (acl_main_t * am, vl_api_registration_t * reg,
2234 macip_acl_list_t * acl, u32 context)
2236 vl_api_macip_acl_details_t *mp;
2237 vl_api_macip_acl_rule_t *rules;
2238 macip_acl_rule_t *r;
2240 int msg_size = sizeof (*mp) + (acl ? sizeof (mp->r[0]) * acl->count : 0);
2242 mp = vl_msg_api_alloc (msg_size);
2243 clib_memset (mp, 0, msg_size);
2244 mp->_vl_msg_id = ntohs (VL_API_MACIP_ACL_DETAILS + am->msg_id_base);
2246 /* fill in the message */
2247 mp->context = context;
2250 memcpy (mp->tag, acl->tag, sizeof (mp->tag));
2251 mp->count = htonl (acl->count);
2252 mp->acl_index = htonl (acl - am->macip_acls);
2254 for (i = 0; i < acl->count; i++)
2257 rules[i].is_permit = r->is_permit;
2258 rules[i].is_ipv6 = r->is_ipv6;
2259 memcpy (rules[i].src_mac, &r->src_mac, sizeof (r->src_mac));
2260 memcpy (rules[i].src_mac_mask, &r->src_mac_mask,
2261 sizeof (r->src_mac_mask));
2263 memcpy (rules[i].src_ip_addr, &r->src_ip_addr.ip6,
2264 sizeof (r->src_ip_addr.ip6));
2266 memcpy (rules[i].src_ip_addr, &r->src_ip_addr.ip4,
2267 sizeof (r->src_ip_addr.ip4));
2268 rules[i].src_ip_prefix_len = r->src_prefixlen;
2273 /* No martini, no party - no ACL applied to this interface. */
2278 vl_api_send_msg (reg, (u8 *) mp);
2283 vl_api_macip_acl_dump_t_handler (vl_api_macip_acl_dump_t * mp)
2285 acl_main_t *am = &acl_main;
2286 macip_acl_list_t *acl;
2288 vl_api_registration_t *reg;
2290 reg = vl_api_client_index_to_registration (mp->client_index);
2294 if (mp->acl_index == ~0)
2296 /* Just dump all ACLs for now, with sw_if_index = ~0 */
2297 pool_foreach (acl, am->macip_acls, (
2299 send_macip_acl_details (am, reg,
2308 u32 acl_index = ntohl (mp->acl_index);
2309 if (!pool_is_free_index (am->macip_acls, acl_index))
2311 acl = pool_elt_at_index (am->macip_acls, acl_index);
2312 send_macip_acl_details (am, reg, acl, mp->context);
2318 vl_api_macip_acl_interface_get_t_handler (vl_api_macip_acl_interface_get_t *
2321 acl_main_t *am = &acl_main;
2322 vl_api_macip_acl_interface_get_reply_t *rmp;
2323 u32 count = vec_len (am->macip_acl_by_sw_if_index);
2324 int msg_size = sizeof (*rmp) + sizeof (rmp->acls[0]) * count;
2325 vl_api_registration_t *reg;
2328 reg = vl_api_client_index_to_registration (mp->client_index);
2332 rmp = vl_msg_api_alloc (msg_size);
2333 clib_memset (rmp, 0, msg_size);
2335 ntohs (VL_API_MACIP_ACL_INTERFACE_GET_REPLY + am->msg_id_base);
2336 rmp->context = mp->context;
2337 rmp->count = htonl (count);
2338 for (i = 0; i < count; i++)
2340 rmp->acls[i] = htonl (am->macip_acl_by_sw_if_index[i]);
2343 vl_api_send_msg (reg, (u8 *) rmp);
2347 send_macip_acl_interface_list_details (acl_main_t * am,
2348 vl_api_registration_t * reg,
2350 u32 acl_index, u32 context)
2352 vl_api_macip_acl_interface_list_details_t *rmp;
2353 /* at this time there is only ever 1 mac ip acl per interface */
2354 int msg_size = sizeof (*rmp) + sizeof (rmp->acls[0]);
2356 rmp = vl_msg_api_alloc (msg_size);
2357 clib_memset (rmp, 0, msg_size);
2359 ntohs (VL_API_MACIP_ACL_INTERFACE_LIST_DETAILS + am->msg_id_base);
2361 /* fill in the message */
2362 rmp->context = context;
2364 rmp->sw_if_index = htonl (sw_if_index);
2365 rmp->acls[0] = htonl (acl_index);
2367 vl_api_send_msg (reg, (u8 *) rmp);
2371 vl_api_macip_acl_interface_list_dump_t_handler
2372 (vl_api_macip_acl_interface_list_dump_t * mp)
2374 vl_api_registration_t *reg;
2375 acl_main_t *am = &acl_main;
2376 u32 sw_if_index = ntohl (mp->sw_if_index);
2378 reg = vl_api_client_index_to_registration (mp->client_index);
2382 if (sw_if_index == ~0)
2384 vec_foreach_index (sw_if_index, am->macip_acl_by_sw_if_index)
2386 if (~0 != am->macip_acl_by_sw_if_index[sw_if_index])
2388 send_macip_acl_interface_list_details (am, reg, sw_if_index,
2389 am->macip_acl_by_sw_if_index
2397 if (vec_len (am->macip_acl_by_sw_if_index) > sw_if_index)
2399 send_macip_acl_interface_list_details (am, reg, sw_if_index,
2400 am->macip_acl_by_sw_if_index
2401 [sw_if_index], mp->context);
2407 vl_api_acl_interface_set_etype_whitelist_t_handler
2408 (vl_api_acl_interface_set_etype_whitelist_t * mp)
2410 acl_main_t *am = &acl_main;
2411 vl_api_acl_interface_set_etype_whitelist_reply_t *rmp;
2414 vnet_interface_main_t *im = &am->vnet_main->interface_main;
2415 u32 sw_if_index = ntohl (mp->sw_if_index);
2416 u16 *vec_in = 0, *vec_out = 0;
2417 void *oldheap = acl_set_heap (am);
2419 if (pool_is_free_index (im->sw_interfaces, sw_if_index))
2420 rv = VNET_API_ERROR_INVALID_SW_IF_INDEX;
2423 for (i = 0; i < mp->count; i++)
2425 if (i < mp->n_input)
2426 vec_add1 (vec_in, ntohs (mp->whitelist[i]));
2428 vec_add1 (vec_out, ntohs (mp->whitelist[i]));
2430 rv = acl_set_etype_whitelists (am, sw_if_index, vec_in, vec_out);
2433 clib_mem_set_heap (oldheap);
2434 REPLY_MACRO (VL_API_ACL_INTERFACE_SET_ETYPE_WHITELIST_REPLY);
2438 send_acl_interface_etype_whitelist_details (acl_main_t * am,
2439 vl_api_registration_t * reg,
2440 u32 sw_if_index, u32 context)
2442 vl_api_acl_interface_etype_whitelist_details_t *mp;
2449 u16 *whitelist_in = 0;
2450 u16 *whitelist_out = 0;
2452 if (intf_has_etype_whitelist (am, sw_if_index, 0))
2454 vec_elt (am->output_etype_whitelist_by_sw_if_index, sw_if_index);
2456 if (intf_has_etype_whitelist (am, sw_if_index, 1))
2458 vec_elt (am->input_etype_whitelist_by_sw_if_index, sw_if_index);
2460 if ((0 == whitelist_in) && (0 == whitelist_out))
2461 return; /* nothing to do */
2463 void *oldheap = acl_set_heap (am);
2465 n_input = vec_len (whitelist_in);
2466 n_output = vec_len (whitelist_out);
2467 count = n_input + n_output;
2469 msg_size = sizeof (*mp);
2470 msg_size += sizeof (mp->whitelist[0]) * count;
2472 mp = vl_msg_api_alloc (msg_size);
2473 clib_memset (mp, 0, msg_size);
2475 ntohs (VL_API_ACL_INTERFACE_ETYPE_WHITELIST_DETAILS + am->msg_id_base);
2477 /* fill in the message */
2478 mp->context = context;
2479 mp->sw_if_index = htonl (sw_if_index);
2481 mp->n_input = n_input;
2482 for (i = 0; i < n_input; i++)
2484 mp->whitelist[i] = htons (whitelist_in[i]);
2486 for (i = 0; i < n_output; i++)
2488 mp->whitelist[n_input + i] = htons (whitelist_out[i]);
2490 clib_mem_set_heap (oldheap);
2491 vl_api_send_msg (reg, (u8 *) mp);
2496 vl_api_acl_interface_etype_whitelist_dump_t_handler
2497 (vl_api_acl_interface_list_dump_t * mp)
2499 acl_main_t *am = &acl_main;
2500 vnet_sw_interface_t *swif;
2501 vnet_interface_main_t *im = &am->vnet_main->interface_main;
2504 vl_api_registration_t *reg;
2506 reg = vl_api_client_index_to_registration (mp->client_index);
2510 if (mp->sw_if_index == ~0)
2513 pool_foreach (swif, im->sw_interfaces,
2515 send_acl_interface_etype_whitelist_details(am, reg, swif->sw_if_index, mp->context);
2521 sw_if_index = ntohl (mp->sw_if_index);
2522 if (!pool_is_free_index (im->sw_interfaces, sw_if_index))
2523 send_acl_interface_etype_whitelist_details (am, reg, sw_if_index,
2530 /* Set up the API message handling tables */
2531 static clib_error_t *
2532 acl_plugin_api_hookup (vlib_main_t * vm)
2534 acl_main_t *am = &acl_main;
2536 vl_msg_api_set_handlers((VL_API_##N + am->msg_id_base), \
2538 vl_api_##n##_t_handler, \
2540 vl_api_##n##_t_endian, \
2541 vl_api_##n##_t_print, \
2542 sizeof(vl_api_##n##_t), 1);
2543 foreach_acl_plugin_api_msg;
2549 #define vl_msg_name_crc_list
2550 #include <acl/acl_all_api_h.h>
2551 #undef vl_msg_name_crc_list
2554 setup_message_id_table (acl_main_t * am, api_main_t * apim)
2556 #define _(id,n,crc) \
2557 vl_msg_api_add_msg_name_crc (apim, #n "_" #crc, id + am->msg_id_base);
2558 foreach_vl_msg_name_crc_acl;
2563 acl_set_timeout_sec (int timeout_type, u32 value)
2565 acl_main_t *am = &acl_main;
2566 clib_time_t *ct = &am->vlib_main->clib_time;
2568 if (timeout_type < ACL_N_TIMEOUTS)
2570 am->session_timeout_sec[timeout_type] = value;
2574 clib_warning ("Unknown timeout type %d", timeout_type);
2577 am->session_timeout[timeout_type] =
2578 (u64) (((f64) value) / ct->seconds_per_clock);
2582 acl_set_session_max_entries (u32 value)
2584 acl_main_t *am = &acl_main;
2585 am->fa_conn_table_max_entries = value;
2589 acl_set_skip_ipv6_eh (u32 eh, u32 value)
2591 acl_main_t *am = &acl_main;
2593 if ((eh < 256) && (value < 2))
2595 am->fa_ipv6_known_eh_bitmap =
2596 clib_bitmap_set (am->fa_ipv6_known_eh_bitmap, eh, value);
2604 static clib_error_t *
2605 acl_sw_interface_add_del (vnet_main_t * vnm, u32 sw_if_index, u32 is_add)
2607 acl_main_t *am = &acl_main;
2608 if (0 == am->acl_mheap)
2610 /* ACL heap is not initialized, so definitely nothing to do. */
2615 int may_clear_sessions = 1;
2616 vlib_process_signal_event (am->vlib_main, am->fa_cleaner_node_index,
2617 ACL_FA_CLEANER_DELETE_BY_SW_IF_INDEX,
2619 /* also unapply any ACLs in case the users did not do so. */
2620 macip_acl_interface_del_acl (am, sw_if_index);
2621 acl_interface_reset_inout_acls (sw_if_index, 0, &may_clear_sessions);
2622 acl_interface_reset_inout_acls (sw_if_index, 1, &may_clear_sessions);
2627 VNET_SW_INTERFACE_ADD_DEL_FUNCTION (acl_sw_interface_add_del);
2631 static clib_error_t *
2632 acl_set_aclplugin_fn (vlib_main_t * vm,
2633 unformat_input_t * input, vlib_cli_command_t * cmd)
2635 clib_error_t *error = 0;
2639 uword memory_size = 0;
2640 acl_main_t *am = &acl_main;
2642 if (unformat (input, "skip-ipv6-extension-header %u %u", &eh_val, &val))
2644 if (!acl_set_skip_ipv6_eh (eh_val, val))
2646 error = clib_error_return (0, "expecting eh=0..255, value=0..1");
2650 if (unformat (input, "use-hash-acl-matching %u", &val))
2652 am->use_hash_acl_matching = (val != 0);
2655 if (unformat (input, "l4-match-nonfirst-fragment %u", &val))
2657 am->l4_match_nonfirst_fragment = (val != 0);
2660 if (unformat (input, "reclassify-sessions %u", &val))
2662 am->reclassify_sessions = (val != 0);
2665 if (unformat (input, "event-trace"))
2667 if (!unformat (input, "%u", &val))
2669 error = clib_error_return (0,
2670 "expecting trace level, got `%U`",
2671 format_unformat_error, input);
2676 am->trace_acl = val;
2680 if (unformat (input, "heap"))
2682 if (unformat (input, "main"))
2684 if (unformat (input, "validate %u", &val))
2685 acl_plugin_acl_set_validate_heap (am, val);
2686 else if (unformat (input, "trace %u", &val))
2687 acl_plugin_acl_set_trace_heap (am, val);
2690 else if (unformat (input, "hash"))
2692 if (unformat (input, "validate %u", &val))
2693 acl_plugin_hash_acl_set_validate_heap (val);
2694 else if (unformat (input, "trace %u", &val))
2695 acl_plugin_hash_acl_set_trace_heap (val);
2700 if (unformat (input, "session"))
2702 if (unformat (input, "table"))
2704 /* The commands here are for tuning/testing. No user-serviceable parts inside */
2705 if (unformat (input, "max-entries"))
2707 if (!unformat (input, "%u", &val))
2709 error = clib_error_return (0,
2710 "expecting maximum number of entries, got `%U`",
2711 format_unformat_error, input);
2716 acl_set_session_max_entries (val);
2720 if (unformat (input, "hash-table-buckets"))
2722 if (!unformat (input, "%u", &val))
2724 error = clib_error_return (0,
2725 "expecting maximum number of hash table buckets, got `%U`",
2726 format_unformat_error, input);
2731 am->fa_conn_table_hash_num_buckets = val;
2735 if (unformat (input, "hash-table-memory"))
2737 if (!unformat (input, "%U", unformat_memory_size, &memory_size))
2739 error = clib_error_return (0,
2740 "expecting maximum amount of hash table memory, got `%U`",
2741 format_unformat_error, input);
2746 am->fa_conn_table_hash_memory_size = memory_size;
2750 if (unformat (input, "event-trace"))
2752 if (!unformat (input, "%u", &val))
2754 error = clib_error_return (0,
2755 "expecting trace level, got `%U`",
2756 format_unformat_error, input);
2761 am->trace_sessions = val;
2767 if (unformat (input, "timeout"))
2769 if (unformat (input, "udp"))
2771 if (unformat (input, "idle"))
2773 if (!unformat (input, "%u", &timeout))
2775 error = clib_error_return (0,
2776 "expecting timeout value in seconds, got `%U`",
2777 format_unformat_error,
2783 acl_set_timeout_sec (ACL_TIMEOUT_UDP_IDLE, timeout);
2788 if (unformat (input, "tcp"))
2790 if (unformat (input, "idle"))
2792 if (!unformat (input, "%u", &timeout))
2794 error = clib_error_return (0,
2795 "expecting timeout value in seconds, got `%U`",
2796 format_unformat_error,
2802 acl_set_timeout_sec (ACL_TIMEOUT_TCP_IDLE, timeout);
2806 if (unformat (input, "transient"))
2808 if (!unformat (input, "%u", &timeout))
2810 error = clib_error_return (0,
2811 "expecting timeout value in seconds, got `%U`",
2812 format_unformat_error,
2818 acl_set_timeout_sec (ACL_TIMEOUT_TCP_TRANSIENT,
2832 my_format_mac_address (u8 * s, va_list * args)
2834 u8 *a = va_arg (*args, u8 *);
2835 return format (s, "%02x:%02x:%02x:%02x:%02x:%02x",
2836 a[0], a[1], a[2], a[3], a[4], a[5]);
2840 my_macip_acl_rule_t_pretty_format (u8 * out, va_list * args)
2842 macip_acl_rule_t *a = va_arg (*args, macip_acl_rule_t *);
2844 out = format (out, "%s action %d ip %U/%d mac %U mask %U",
2845 a->is_ipv6 ? "ipv6" : "ipv4", a->is_permit,
2846 format_ip46_address, &a->src_ip_addr,
2847 a->is_ipv6 ? IP46_TYPE_IP6 : IP46_TYPE_IP4,
2849 my_format_mac_address, a->src_mac,
2850 my_format_mac_address, a->src_mac_mask);
2855 macip_acl_print (acl_main_t * am, u32 macip_acl_index)
2857 vlib_main_t *vm = am->vlib_main;
2860 /* Don't try to print someone else's memory */
2861 if (macip_acl_index >= vec_len (am->macip_acls))
2864 macip_acl_list_t *a = vec_elt_at_index (am->macip_acls, macip_acl_index);
2865 int free_pool_slot = pool_is_free_index (am->macip_acls, macip_acl_index);
2867 vlib_cli_output (vm,
2868 "MACIP acl_index: %d, count: %d (true len %d) tag {%s} is free pool slot: %d\n",
2869 macip_acl_index, a->count, vec_len (a->rules), a->tag,
2871 vlib_cli_output (vm,
2872 " ip4_table_index %d, ip6_table_index %d, l2_table_index %d\n",
2873 a->ip4_table_index, a->ip6_table_index, a->l2_table_index);
2874 vlib_cli_output (vm,
2875 " out_ip4_table_index %d, out_ip6_table_index %d, out_l2_table_index %d\n",
2876 a->out_ip4_table_index, a->out_ip6_table_index,
2877 a->out_l2_table_index);
2878 for (i = 0; i < vec_len (a->rules); i++)
2879 vlib_cli_output (vm, " rule %d: %U\n", i,
2880 my_macip_acl_rule_t_pretty_format,
2881 vec_elt_at_index (a->rules, i));
2885 static clib_error_t *
2886 acl_show_aclplugin_macip_acl_fn (vlib_main_t * vm,
2888 input, vlib_cli_command_t * cmd)
2890 clib_error_t *error = 0;
2891 acl_main_t *am = &acl_main;
2895 (void) unformat (input, "index %u", &acl_index);
2897 for (i = 0; i < vec_len (am->macip_acls); i++)
2899 /* Don't attempt to show the ACLs that do not exist */
2900 if (pool_is_free_index (am->macip_acls, i))
2903 if ((acl_index != ~0) && (acl_index != i))
2908 macip_acl_print (am, i);
2909 if (i < vec_len (am->sw_if_index_vec_by_macip_acl))
2911 vlib_cli_output (vm, " applied on sw_if_index(s): %U\n",
2913 vec_elt (am->sw_if_index_vec_by_macip_acl, i),
2921 static clib_error_t *
2922 acl_show_aclplugin_macip_interface_fn (vlib_main_t * vm,
2924 input, vlib_cli_command_t * cmd)
2926 clib_error_t *error = 0;
2927 acl_main_t *am = &acl_main;
2929 for (i = 0; i < vec_len (am->macip_acl_by_sw_if_index); i++)
2931 vlib_cli_output (vm, " sw_if_index %d: %d\n", i,
2932 vec_elt (am->macip_acl_by_sw_if_index, i));
2938 acl_plugin_show_acl (acl_main_t * am, u32 acl_index)
2941 vlib_main_t *vm = am->vlib_main;
2943 for (i = 0; i < vec_len (am->acls); i++)
2945 if (acl_is_not_defined (am, i))
2947 /* don't attempt to show the ACLs that do not exist */
2950 if ((acl_index != ~0) && (acl_index != i))
2954 acl_print_acl (vm, am, i);
2956 if (i < vec_len (am->input_sw_if_index_vec_by_acl))
2958 vlib_cli_output (vm, " applied inbound on sw_if_index: %U\n",
2959 format_vec32, am->input_sw_if_index_vec_by_acl[i],
2962 if (i < vec_len (am->output_sw_if_index_vec_by_acl))
2964 vlib_cli_output (vm, " applied outbound on sw_if_index: %U\n",
2965 format_vec32, am->output_sw_if_index_vec_by_acl[i],
2968 if (i < vec_len (am->lc_index_vec_by_acl))
2970 vlib_cli_output (vm, " used in lookup context index: %U\n",
2971 format_vec32, am->lc_index_vec_by_acl[i], "%d");
2976 static clib_error_t *
2977 acl_show_aclplugin_acl_fn (vlib_main_t * vm,
2978 unformat_input_t * input, vlib_cli_command_t * cmd)
2980 clib_error_t *error = 0;
2981 acl_main_t *am = &acl_main;
2984 (void) unformat (input, "index %u", &acl_index);
2986 acl_plugin_show_acl (am, acl_index);
2990 static clib_error_t *
2991 acl_show_aclplugin_lookup_context_fn (vlib_main_t * vm,
2992 unformat_input_t * input,
2993 vlib_cli_command_t * cmd)
2995 clib_error_t *error = 0;
2998 (void) unformat (input, "index %u", &lc_index);
3000 acl_plugin_show_lookup_context (lc_index);
3004 static clib_error_t *
3005 acl_show_aclplugin_lookup_user_fn (vlib_main_t * vm,
3006 unformat_input_t * input,
3007 vlib_cli_command_t * cmd)
3009 clib_error_t *error = 0;
3012 (void) unformat (input, "index %u", &lc_index);
3014 acl_plugin_show_lookup_user (lc_index);
3020 acl_plugin_show_interface (acl_main_t * am, u32 sw_if_index, int show_acl,
3023 vlib_main_t *vm = am->vlib_main;
3026 for (swi = 0; (swi < vec_len (am->input_acl_vec_by_sw_if_index)) ||
3027 (swi < vec_len (am->output_acl_vec_by_sw_if_index)); swi++)
3029 /* if we need a particular interface, skip all the others */
3030 if ((sw_if_index != ~0) && (sw_if_index != swi))
3033 vlib_cli_output (vm, "sw_if_index %d:\n", swi);
3034 if (swi < vec_len (am->input_policy_epoch_by_sw_if_index))
3035 vlib_cli_output (vm, " input policy epoch: %x\n",
3036 vec_elt (am->input_policy_epoch_by_sw_if_index,
3038 if (swi < vec_len (am->output_policy_epoch_by_sw_if_index))
3039 vlib_cli_output (vm, " output policy epoch: %x\n",
3040 vec_elt (am->output_policy_epoch_by_sw_if_index,
3044 if (intf_has_etype_whitelist (am, swi, 1))
3046 vlib_cli_output (vm, " input etype whitelist: %U", format_vec16,
3047 am->input_etype_whitelist_by_sw_if_index[swi],
3050 if (intf_has_etype_whitelist (am, swi, 0))
3052 vlib_cli_output (vm, " output etype whitelist: %U", format_vec16,
3053 am->output_etype_whitelist_by_sw_if_index[swi],
3057 if ((swi < vec_len (am->input_acl_vec_by_sw_if_index)) &&
3058 (vec_len (am->input_acl_vec_by_sw_if_index[swi]) > 0))
3060 vlib_cli_output (vm, " input acl(s): %U", format_vec32,
3061 am->input_acl_vec_by_sw_if_index[swi], "%d");
3064 vlib_cli_output (vm, "\n");
3065 vec_foreach (pj, am->input_acl_vec_by_sw_if_index[swi])
3067 acl_print_acl (vm, am, *pj);
3069 vlib_cli_output (vm, "\n");
3073 if ((swi < vec_len (am->output_acl_vec_by_sw_if_index)) &&
3074 (vec_len (am->output_acl_vec_by_sw_if_index[swi]) > 0))
3076 vlib_cli_output (vm, " output acl(s): %U", format_vec32,
3077 am->output_acl_vec_by_sw_if_index[swi], "%d");
3080 vlib_cli_output (vm, "\n");
3081 vec_foreach (pj, am->output_acl_vec_by_sw_if_index[swi])
3083 acl_print_acl (vm, am, *pj);
3085 vlib_cli_output (vm, "\n");
3088 if (detail && (swi < vec_len (am->input_lc_index_by_sw_if_index)))
3090 vlib_cli_output (vm, " input lookup context index: %d",
3091 am->input_lc_index_by_sw_if_index[swi]);
3093 if (detail && (swi < vec_len (am->output_lc_index_by_sw_if_index)))
3095 vlib_cli_output (vm, " output lookup context index: %d",
3096 am->output_lc_index_by_sw_if_index[swi]);
3103 static clib_error_t *
3104 acl_show_aclplugin_decode_5tuple_fn (vlib_main_t * vm,
3105 unformat_input_t * input,
3106 vlib_cli_command_t * cmd)
3108 clib_error_t *error = 0;
3109 u64 five_tuple[6] = { 0, 0, 0, 0, 0, 0 };
3112 (input, "%llx %llx %llx %llx %llx %llx", &five_tuple[0], &five_tuple[1],
3113 &five_tuple[2], &five_tuple[3], &five_tuple[4], &five_tuple[5]))
3114 vlib_cli_output (vm, "5-tuple structure decode: %U\n\n",
3115 format_acl_plugin_5tuple, five_tuple);
3117 error = clib_error_return (0, "expecting 6 hex integers");
3122 static clib_error_t *
3123 acl_show_aclplugin_interface_fn (vlib_main_t * vm,
3125 input, vlib_cli_command_t * cmd)
3127 clib_error_t *error = 0;
3128 acl_main_t *am = &acl_main;
3130 u32 sw_if_index = ~0;
3131 (void) unformat (input, "sw_if_index %u", &sw_if_index);
3132 int show_acl = unformat (input, "acl");
3133 int detail = unformat (input, "detail");
3135 acl_plugin_show_interface (am, sw_if_index, show_acl, detail);
3139 static clib_error_t *
3140 acl_show_aclplugin_memory_fn (vlib_main_t * vm,
3141 unformat_input_t * input,
3142 vlib_cli_command_t * cmd)
3144 clib_error_t *error = 0;
3145 acl_main_t *am = &acl_main;
3147 vlib_cli_output (vm, "ACL plugin main heap statistics:\n");
3150 vlib_cli_output (vm, " %U\n", format_mheap, am->acl_mheap, 1);
3154 vlib_cli_output (vm, " Not initialized\n");
3156 vlib_cli_output (vm, "ACL hash lookup support heap statistics:\n");
3157 if (am->hash_lookup_mheap)
3159 vlib_cli_output (vm, " %U\n", format_mheap, am->hash_lookup_mheap, 1);
3163 vlib_cli_output (vm, " Not initialized\n");
3169 acl_plugin_show_sessions (acl_main_t * am,
3170 u32 show_session_thread_id,
3171 u32 show_session_session_index)
3173 vlib_main_t *vm = am->vlib_main;
3175 vnet_interface_main_t *im = &am->vnet_main->interface_main;
3176 vnet_sw_interface_t *swif;
3177 u64 now = clib_cpu_time_now ();
3178 u64 clocks_per_second = am->vlib_main->clib_time.clocks_per_second;
3181 u64 n_adds = am->fa_session_total_adds;
3182 u64 n_dels = am->fa_session_total_dels;
3183 u64 n_deact = am->fa_session_total_deactivations;
3184 vlib_cli_output (vm, "Sessions total: add %lu - del %lu = %lu", n_adds,
3185 n_dels, n_adds - n_dels);
3186 vlib_cli_output (vm, "Sessions active: add %lu - deact %lu = %lu", n_adds,
3187 n_deact, n_adds - n_deact);
3188 vlib_cli_output (vm, "Sessions being purged: deact %lu - del %lu = %lu",
3189 n_deact, n_dels, n_deact - n_dels);
3191 vlib_cli_output (vm, "now: %lu clocks per second: %lu", now,
3193 vlib_cli_output (vm, "\n\nPer-thread data:");
3194 for (wk = 0; wk < vec_len (am->per_worker_data); wk++)
3196 acl_fa_per_worker_data_t *pw = &am->per_worker_data[wk];
3197 vlib_cli_output (vm, "Thread #%d:", wk);
3198 if (show_session_thread_id == wk
3199 && show_session_session_index < pool_len (pw->fa_sessions_pool))
3201 vlib_cli_output (vm, " session index %u:",
3202 show_session_session_index);
3203 fa_session_t *sess =
3204 pw->fa_sessions_pool + show_session_session_index;
3205 u64 *m = (u64 *) & sess->info;
3206 vlib_cli_output (vm,
3207 " info: %016llx %016llx %016llx %016llx %016llx %016llx",
3208 m[0], m[1], m[2], m[3], m[4], m[5]);
3209 vlib_cli_output (vm, " sw_if_index: %u", sess->sw_if_index);
3210 vlib_cli_output (vm, " tcp_flags_seen: %x",
3211 sess->tcp_flags_seen.as_u16);
3212 vlib_cli_output (vm, " last active time: %lu",
3213 sess->last_active_time);
3214 vlib_cli_output (vm, " thread index: %u", sess->thread_index);
3215 vlib_cli_output (vm, " link enqueue time: %lu",
3216 sess->link_enqueue_time);
3217 vlib_cli_output (vm, " link next index: %u",
3218 sess->link_next_idx);
3219 vlib_cli_output (vm, " link prev index: %u",
3220 sess->link_prev_idx);
3221 vlib_cli_output (vm, " link list id: %u", sess->link_list_id);
3223 vlib_cli_output (vm, " connection add/del stats:", wk);
3224 pool_foreach (swif, im->sw_interfaces, (
3231 (pw->fa_session_adds_by_sw_if_index)
3233 pw->fa_session_adds_by_sw_if_index
3238 (pw->fa_session_dels_by_sw_if_index)
3240 pw->fa_session_dels_by_sw_if_index
3242 u64 n_epoch_changes =
3245 (pw->fa_session_epoch_change_by_sw_if_index)
3247 pw->fa_session_epoch_change_by_sw_if_index
3249 vlib_cli_output (vm,
3250 " sw_if_index %d: add %lu - del %lu = %lu; epoch chg: %lu",
3260 vlib_cli_output (vm, " connection timeout type lists:", wk);
3262 for (tt = 0; tt < ACL_N_TIMEOUTS; tt++)
3264 u32 head_session_index = pw->fa_conn_list_head[tt];
3265 vlib_cli_output (vm, " fa_conn_list_head[%d]: %d", tt,
3266 head_session_index);
3267 if (~0 != head_session_index)
3269 fa_session_t *sess = pw->fa_sessions_pool + head_session_index;
3270 vlib_cli_output (vm, " last active time: %lu",
3271 sess->last_active_time);
3272 vlib_cli_output (vm, " link enqueue time: %lu",
3273 sess->link_enqueue_time);
3277 vlib_cli_output (vm, " Next expiry time: %lu", pw->next_expiry_time);
3278 vlib_cli_output (vm, " Requeue until time: %lu",
3279 pw->requeue_until_time);
3280 vlib_cli_output (vm, " Current time wait interval: %lu",
3281 pw->current_time_wait_interval);
3282 vlib_cli_output (vm, " Count of deleted sessions: %lu",
3283 pw->cnt_deleted_sessions);
3284 vlib_cli_output (vm, " Delete already deleted: %lu",
3285 pw->cnt_already_deleted_sessions);
3286 vlib_cli_output (vm, " Session timers restarted: %lu",
3287 pw->cnt_session_timer_restarted);
3288 vlib_cli_output (vm, " Swipe until this time: %lu",
3289 pw->swipe_end_time);
3290 vlib_cli_output (vm, " sw_if_index serviced bitmap: %U",
3291 format_bitmap_hex, pw->serviced_sw_if_index_bitmap);
3292 vlib_cli_output (vm, " pending clear intfc bitmap : %U",
3294 pw->pending_clear_sw_if_index_bitmap);
3295 vlib_cli_output (vm, " clear in progress: %u", pw->clear_in_process);
3296 vlib_cli_output (vm, " interrupt is pending: %d",
3297 pw->interrupt_is_pending);
3298 vlib_cli_output (vm, " interrupt is needed: %d",
3299 pw->interrupt_is_needed);
3300 vlib_cli_output (vm, " interrupt is unwanted: %d",
3301 pw->interrupt_is_unwanted);
3302 vlib_cli_output (vm, " interrupt generation: %d",
3303 pw->interrupt_generation);
3304 vlib_cli_output (vm, " received session change requests: %d",
3305 pw->rcvd_session_change_requests);
3306 vlib_cli_output (vm, " sent session change requests: %d",
3307 pw->sent_session_change_requests);
3309 vlib_cli_output (vm, "\n\nConn cleaner thread counters:");
3310 #define _(cnt, desc) vlib_cli_output(vm, " %20lu: %s", am->cnt, desc);
3311 foreach_fa_cleaner_counter;
3313 vlib_cli_output (vm, "Interrupt generation: %d",
3314 am->fa_interrupt_generation);
3315 vlib_cli_output (vm,
3316 "Sessions per interval: min %lu max %lu increment: %f ms current: %f ms",
3317 am->fa_min_deleted_sessions_per_interval,
3318 am->fa_max_deleted_sessions_per_interval,
3319 am->fa_cleaner_wait_time_increment * 1000.0,
3320 ((f64) am->fa_current_cleaner_timer_wait_interval) *
3321 1000.0 / (f64) vm->clib_time.clocks_per_second);
3322 vlib_cli_output (vm, "Reclassify sessions: %d", am->reclassify_sessions);
3325 static clib_error_t *
3326 acl_show_aclplugin_sessions_fn (vlib_main_t * vm,
3327 unformat_input_t * input,
3328 vlib_cli_command_t * cmd)
3330 clib_error_t *error = 0;
3331 acl_main_t *am = &acl_main;
3333 u32 show_bihash_verbose = 0;
3334 u32 show_session_thread_id = ~0;
3335 u32 show_session_session_index = ~0;
3336 (void) unformat (input, "thread %u index %u", &show_session_thread_id,
3337 &show_session_session_index);
3338 (void) unformat (input, "verbose %u", &show_bihash_verbose);
3340 acl_plugin_show_sessions (am, show_session_thread_id,
3341 show_session_session_index);
3342 show_fa_sessions_hash (vm, show_bihash_verbose);
3346 static clib_error_t *
3347 acl_show_aclplugin_tables_fn (vlib_main_t * vm,
3348 unformat_input_t * input,
3349 vlib_cli_command_t * cmd)
3351 clib_error_t *error = 0;
3355 int show_acl_hash_info = 0;
3356 int show_applied_info = 0;
3357 int show_mask_type = 0;
3358 int show_bihash = 0;
3359 u32 show_bihash_verbose = 0;
3361 if (unformat (input, "acl"))
3363 show_acl_hash_info = 1;
3364 /* mask-type is handy to see as well right there */
3366 unformat (input, "index %u", &acl_index);
3368 else if (unformat (input, "applied"))
3370 show_applied_info = 1;
3371 unformat (input, "lc_index %u", &lc_index);
3373 else if (unformat (input, "mask"))
3377 else if (unformat (input, "hash"))
3380 unformat (input, "verbose %u", &show_bihash_verbose);
3384 (show_mask_type || show_acl_hash_info || show_applied_info
3387 /* if no qualifiers specified, show all */
3389 show_acl_hash_info = 1;
3390 show_applied_info = 1;
3394 acl_plugin_show_tables_mask_type ();
3395 if (show_acl_hash_info)
3396 acl_plugin_show_tables_acl_hash_info (acl_index);
3397 if (show_applied_info)
3398 acl_plugin_show_tables_applied_info (lc_index);
3400 acl_plugin_show_tables_bihash (show_bihash_verbose);
3405 static clib_error_t *
3406 acl_clear_aclplugin_fn (vlib_main_t * vm,
3407 unformat_input_t * input, vlib_cli_command_t * cmd)
3409 clib_error_t *error = 0;
3410 acl_main_t *am = &acl_main;
3411 vlib_process_signal_event (am->vlib_main, am->fa_cleaner_node_index,
3412 ACL_FA_CLEANER_DELETE_BY_SW_IF_INDEX, ~0);
3417 VLIB_CLI_COMMAND (aclplugin_set_command, static) = {
3418 .path = "set acl-plugin",
3419 .short_help = "set acl-plugin session timeout {{udp idle}|tcp {idle|transient}} <seconds>",
3420 .function = acl_set_aclplugin_fn,
3423 VLIB_CLI_COMMAND (aclplugin_show_acl_command, static) = {
3424 .path = "show acl-plugin acl",
3425 .short_help = "show acl-plugin acl [index N]",
3426 .function = acl_show_aclplugin_acl_fn,
3429 VLIB_CLI_COMMAND (aclplugin_show_lookup_context_command, static) = {
3430 .path = "show acl-plugin lookup context",
3431 .short_help = "show acl-plugin lookup context [index N]",
3432 .function = acl_show_aclplugin_lookup_context_fn,
3435 VLIB_CLI_COMMAND (aclplugin_show_lookup_user_command, static) = {
3436 .path = "show acl-plugin lookup user",
3437 .short_help = "show acl-plugin lookup user [index N]",
3438 .function = acl_show_aclplugin_lookup_user_fn,
3441 VLIB_CLI_COMMAND (aclplugin_show_decode_5tuple_command, static) = {
3442 .path = "show acl-plugin decode 5tuple",
3443 .short_help = "show acl-plugin decode 5tuple XXXX XXXX XXXX XXXX XXXX XXXX",
3444 .function = acl_show_aclplugin_decode_5tuple_fn,
3447 VLIB_CLI_COMMAND (aclplugin_show_interface_command, static) = {
3448 .path = "show acl-plugin interface",
3449 .short_help = "show acl-plugin interface [sw_if_index N] [acl]",
3450 .function = acl_show_aclplugin_interface_fn,
3453 VLIB_CLI_COMMAND (aclplugin_show_memory_command, static) = {
3454 .path = "show acl-plugin memory",
3455 .short_help = "show acl-plugin memory",
3456 .function = acl_show_aclplugin_memory_fn,
3459 VLIB_CLI_COMMAND (aclplugin_show_sessions_command, static) = {
3460 .path = "show acl-plugin sessions",
3461 .short_help = "show acl-plugin sessions",
3462 .function = acl_show_aclplugin_sessions_fn,
3465 VLIB_CLI_COMMAND (aclplugin_show_tables_command, static) = {
3466 .path = "show acl-plugin tables",
3467 .short_help = "show acl-plugin tables [ acl [index N] | applied [ lc_index N ] | mask | hash [verbose N] ]",
3468 .function = acl_show_aclplugin_tables_fn,
3471 VLIB_CLI_COMMAND (aclplugin_show_macip_acl_command, static) = {
3472 .path = "show acl-plugin macip acl",
3473 .short_help = "show acl-plugin macip acl [index N]",
3474 .function = acl_show_aclplugin_macip_acl_fn,
3477 VLIB_CLI_COMMAND (aclplugin_show_macip_interface_command, static) = {
3478 .path = "show acl-plugin macip interface",
3479 .short_help = "show acl-plugin macip interface",
3480 .function = acl_show_aclplugin_macip_interface_fn,
3483 VLIB_CLI_COMMAND (aclplugin_clear_command, static) = {
3484 .path = "clear acl-plugin sessions",
3485 .short_help = "clear acl-plugin sessions",
3486 .function = acl_clear_aclplugin_fn,
3490 static clib_error_t *
3491 acl_plugin_config (vlib_main_t * vm, unformat_input_t * input)
3493 acl_main_t *am = &acl_main;
3494 u32 conn_table_hash_buckets;
3495 uword conn_table_hash_memory_size;
3496 u32 conn_table_max_entries;
3497 uword main_heap_size;
3498 uword hash_heap_size;
3499 u32 hash_lookup_hash_buckets;
3500 uword hash_lookup_hash_memory;
3501 u32 reclassify_sessions;
3502 u32 use_tuple_merge;
3503 u32 tuple_merge_split_threshold;
3505 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
3508 (input, "connection hash buckets %d", &conn_table_hash_buckets))
3509 am->fa_conn_table_hash_num_buckets = conn_table_hash_buckets;
3512 (input, "connection hash memory %U", unformat_memory_size,
3513 &conn_table_hash_memory_size))
3514 am->fa_conn_table_hash_memory_size = conn_table_hash_memory_size;
3515 else if (unformat (input, "connection count max %d",
3516 &conn_table_max_entries))
3517 am->fa_conn_table_max_entries = conn_table_max_entries;
3520 (input, "main heap size %U", unformat_memory_size,
3522 am->acl_mheap_size = main_heap_size;
3525 (input, "hash lookup heap size %U", unformat_memory_size,
3527 am->hash_lookup_mheap_size = hash_heap_size;
3528 else if (unformat (input, "hash lookup hash buckets %d",
3529 &hash_lookup_hash_buckets))
3530 am->hash_lookup_hash_buckets = hash_lookup_hash_buckets;
3533 (input, "hash lookup hash memory %U", unformat_memory_size,
3534 &hash_lookup_hash_memory))
3535 am->hash_lookup_hash_memory = hash_lookup_hash_memory;
3536 else if (unformat (input, "use tuple merge %d", &use_tuple_merge))
3537 am->use_tuple_merge = use_tuple_merge;
3540 (input, "tuple merge split threshold %d",
3541 &tuple_merge_split_threshold))
3542 am->tuple_merge_split_threshold = tuple_merge_split_threshold;
3544 else if (unformat (input, "reclassify sessions %d",
3545 &reclassify_sessions))
3546 am->reclassify_sessions = reclassify_sessions;
3549 return clib_error_return (0, "unknown input '%U'",
3550 format_unformat_error, input);
3555 VLIB_CONFIG_FUNCTION (acl_plugin_config, "acl-plugin");
3557 static clib_error_t *
3558 acl_init (vlib_main_t * vm)
3560 acl_main_t *am = &acl_main;
3561 clib_error_t *error = 0;
3562 clib_memset (am, 0, sizeof (*am));
3564 am->vnet_main = vnet_get_main ();
3565 am->log_default = vlib_log_register_class ("acl_plugin", 0);
3567 u8 *name = format (0, "acl_%08x%c", api_version, 0);
3569 /* Ask for a correctly-sized block of API message decode slots */
3570 am->msg_id_base = vl_msg_api_get_msg_ids ((char *) name,
3571 VL_MSG_FIRST_AVAILABLE);
3573 error = acl_plugin_api_hookup (vm);
3575 /* Add our API messages to the global name_crc hash table */
3576 setup_message_id_table (am, &api_main);
3583 error = acl_plugin_exports_init (&acl_plugin);
3588 am->acl_mheap_size = 0; /* auto size when initializing */
3589 am->hash_lookup_mheap_size = ACL_PLUGIN_HASH_LOOKUP_HEAP_SIZE;
3591 am->hash_lookup_hash_buckets = ACL_PLUGIN_HASH_LOOKUP_HASH_BUCKETS;
3592 am->hash_lookup_hash_memory = ACL_PLUGIN_HASH_LOOKUP_HASH_MEMORY;
3594 am->session_timeout_sec[ACL_TIMEOUT_TCP_TRANSIENT] =
3595 TCP_SESSION_TRANSIENT_TIMEOUT_SEC;
3596 am->session_timeout_sec[ACL_TIMEOUT_TCP_IDLE] =
3597 TCP_SESSION_IDLE_TIMEOUT_SEC;
3598 am->session_timeout_sec[ACL_TIMEOUT_UDP_IDLE] =
3599 UDP_SESSION_IDLE_TIMEOUT_SEC;
3601 am->fa_conn_table_hash_num_buckets =
3602 ACL_FA_CONN_TABLE_DEFAULT_HASH_NUM_BUCKETS;
3603 am->fa_conn_table_hash_memory_size =
3604 ACL_FA_CONN_TABLE_DEFAULT_HASH_MEMORY_SIZE;
3605 am->fa_conn_table_max_entries = ACL_FA_CONN_TABLE_DEFAULT_MAX_ENTRIES;
3606 am->reclassify_sessions = 0;
3607 vlib_thread_main_t *tm = vlib_get_thread_main ();
3609 am->fa_min_deleted_sessions_per_interval =
3610 ACL_FA_DEFAULT_MIN_DELETED_SESSIONS_PER_INTERVAL;
3611 am->fa_max_deleted_sessions_per_interval =
3612 ACL_FA_DEFAULT_MAX_DELETED_SESSIONS_PER_INTERVAL;
3613 am->fa_cleaner_wait_time_increment =
3614 ACL_FA_DEFAULT_CLEANER_WAIT_TIME_INCREMENT;
3616 vec_validate (am->per_worker_data, tm->n_vlib_mains - 1);
3619 for (wk = 0; wk < vec_len (am->per_worker_data); wk++)
3621 acl_fa_per_worker_data_t *pw = &am->per_worker_data[wk];
3622 if (tm->n_vlib_mains > 1)
3624 clib_spinlock_init (&pw->pending_session_change_request_lock);
3626 vec_validate (pw->expired,
3628 am->fa_max_deleted_sessions_per_interval);
3629 _vec_len (pw->expired) = 0;
3630 vec_validate_init_empty (pw->fa_conn_list_head, ACL_N_TIMEOUTS - 1,
3631 FA_SESSION_BOGUS_INDEX);
3632 vec_validate_init_empty (pw->fa_conn_list_tail, ACL_N_TIMEOUTS - 1,
3633 FA_SESSION_BOGUS_INDEX);
3634 vec_validate_init_empty (pw->fa_conn_list_head_expiry_time,
3635 ACL_N_TIMEOUTS - 1, ~0ULL);
3639 am->fa_cleaner_cnt_delete_by_sw_index = 0;
3640 am->fa_cleaner_cnt_delete_by_sw_index_ok = 0;
3641 am->fa_cleaner_cnt_unknown_event = 0;
3642 am->fa_cleaner_cnt_timer_restarted = 0;
3643 am->fa_cleaner_cnt_wait_with_timeout = 0;
3646 #define _(N, v, s) am->fa_ipv6_known_eh_bitmap = clib_bitmap_set(am->fa_ipv6_known_eh_bitmap, v, 1);
3649 am->l4_match_nonfirst_fragment = 1;
3651 /* use the new fancy hash-based matching */
3652 am->use_hash_acl_matching = 1;
3653 /* use tuplemerge by default */
3654 am->use_tuple_merge = 1;
3655 /* Set the default threshold */
3656 am->tuple_merge_split_threshold = TM_SPLIT_THRESHOLD;
3658 am->interface_acl_user_id =
3659 acl_plugin.register_user_module ("interface ACL", "sw_if_index",
3665 VLIB_INIT_FUNCTION (acl_init);
3669 * fd.io coding-style-patch-verification: ON
3672 * eval: (c-set-style "gnu")