2 * Copyright (c) 2016-2018 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.
16 #include <netinet/in.h>
18 #include <vlib/vlib.h>
19 #include <vnet/vnet.h>
20 #include <vppinfra/error.h>
24 #include <vnet/ip/icmp46_packet.h>
26 #include <plugins/acl/fa_node.h>
27 #include <plugins/acl/acl.h>
28 #include <plugins/acl/lookup_context.h>
29 #include <plugins/acl/public_inlines.h>
30 #include <plugins/acl/session_inlines.h>
32 #include <vppinfra/bihash_40_8.h>
33 #include <vppinfra/bihash_template.h>
40 u32 match_acl_in_index;
48 #define foreach_acl_fa_error \
49 _(ACL_DROP, "ACL deny packets") \
50 _(ACL_PERMIT, "ACL permit packets") \
51 _(ACL_NEW_SESSION, "new sessions added") \
52 _(ACL_EXIST_SESSION, "existing session packets") \
53 _(ACL_CHECK, "checked packets") \
54 _(ACL_RESTART_SESSION_TIMER, "restart session timer") \
55 _(ACL_TOO_MANY_SESSIONS, "too many sessions to add new") \
60 #define _(sym,str) ACL_FA_ERROR_##sym,
69 get_current_policy_epoch (acl_main_t * am, int is_input, u32 sw_if_index0)
72 is_input ? &am->input_policy_epoch_by_sw_if_index :
73 &am->output_policy_epoch_by_sw_if_index;
74 u16 current_policy_epoch =
75 sw_if_index0 < vec_len (*p_epoch_vec) ? vec_elt (*p_epoch_vec,
77 : (is_input * FA_POLICY_EPOCH_IS_INPUT);
78 return current_policy_epoch;
82 maybe_trace_buffer (vlib_main_t * vm, vlib_node_runtime_t * node,
83 vlib_buffer_t * b, u32 sw_if_index0, u32 lc_index0,
84 u16 next0, int match_acl_in_index, int match_rule_index,
85 fa_5tuple_t * fa_5tuple, u8 action, u32 trace_bitmap)
87 if (PREDICT_FALSE (b->flags & VLIB_BUFFER_IS_TRACED))
89 acl_fa_trace_t *t = vlib_add_trace (vm, node, b, sizeof (*t));
90 t->sw_if_index = sw_if_index0;
91 t->lc_index = lc_index0;
92 t->next_index = next0;
93 t->match_acl_in_index = match_acl_in_index;
94 t->match_rule_index = match_rule_index;
95 t->packet_info[0] = fa_5tuple->kv_40_8.key[0];
96 t->packet_info[1] = fa_5tuple->kv_40_8.key[1];
97 t->packet_info[2] = fa_5tuple->kv_40_8.key[2];
98 t->packet_info[3] = fa_5tuple->kv_40_8.key[3];
99 t->packet_info[4] = fa_5tuple->kv_40_8.key[4];
100 t->packet_info[5] = fa_5tuple->kv_40_8.value;
102 t->trace_bitmap = trace_bitmap;
108 stale_session_deleted (acl_main_t * am, int is_input,
109 acl_fa_per_worker_data_t * pw, u64 now,
110 u32 sw_if_index0, fa_full_session_id_t f_sess_id)
112 u16 current_policy_epoch =
113 get_current_policy_epoch (am, is_input, sw_if_index0);
115 /* if the MSB of policy epoch matches but not the LSB means it is a stale session */
117 ((current_policy_epoch ^
118 f_sess_id.intf_policy_epoch) &
119 FA_POLICY_EPOCH_IS_INPUT))
120 && (current_policy_epoch != f_sess_id.intf_policy_epoch))
122 /* delete session and increment the counter */
123 vec_validate (pw->fa_session_epoch_change_by_sw_if_index, sw_if_index0);
124 vec_elt (pw->fa_session_epoch_change_by_sw_if_index, sw_if_index0)++;
125 if (acl_fa_conn_list_delete_session (am, f_sess_id, now))
127 /* delete the session only if we were able to unlink it */
128 acl_fa_two_stage_delete_session (am, sw_if_index0, f_sess_id, now);
141 get_sw_if_index_xN (int vector_sz, int is_input, vlib_buffer_t ** b,
142 u32 * out_sw_if_index)
145 for (ii = 0; ii < vector_sz; ii++)
147 out_sw_if_index[ii] = vnet_buffer (b[ii])->sw_if_index[VLIB_RX];
149 out_sw_if_index[ii] = vnet_buffer (b[ii])->sw_if_index[VLIB_TX];
153 fill_5tuple_xN (int vector_sz, acl_main_t * am, int is_ip6, int is_input,
154 int is_l2_path, vlib_buffer_t ** b, u32 * sw_if_index,
155 fa_5tuple_t * out_fa_5tuple)
158 for (ii = 0; ii < vector_sz; ii++)
159 acl_fill_5tuple (am, sw_if_index[ii], b[ii], is_ip6,
160 is_input, is_l2_path, &out_fa_5tuple[ii]);
164 make_session_hash_xN (int vector_sz, acl_main_t * am, int is_ip6,
165 u32 * sw_if_index, fa_5tuple_t * fa_5tuple,
169 for (ii = 0; ii < vector_sz; ii++)
171 acl_fa_make_session_hash (am, is_ip6, sw_if_index[ii], &fa_5tuple[ii]);
175 prefetch_session_entry (acl_main_t * am, fa_full_session_id_t f_sess_id)
177 fa_session_t *sess = get_session_ptr_no_check (am, f_sess_id.thread_index,
178 f_sess_id.session_index);
179 CLIB_PREFETCH (sess, 2 * CLIB_CACHE_LINE_BYTES, STORE);
183 process_established_session (vlib_main_t * vm, acl_main_t * am,
184 u32 counter_node_index, int is_input, u64 now,
185 fa_full_session_id_t f_sess_id,
186 u32 * sw_if_index, fa_5tuple_t * fa_5tuple,
187 u32 pkt_len, int node_trace_on,
191 fa_session_t *sess = get_session_ptr_no_check (am, f_sess_id.thread_index,
192 f_sess_id.session_index);
194 int old_timeout_type = fa_session_get_timeout_type (am, sess);
196 acl_fa_track_session (am, is_input, sw_if_index[0], now,
197 sess, &fa_5tuple[0], pkt_len);
198 int new_timeout_type = fa_session_get_timeout_type (am, sess);
199 /* Tracking might have changed the session timeout type, e.g. from transient to established */
200 if (PREDICT_FALSE (old_timeout_type != new_timeout_type))
202 acl_fa_restart_timer_for_session (am, now, f_sess_id);
203 vlib_node_increment_counter (vm, counter_node_index,
204 ACL_FA_ERROR_ACL_RESTART_SESSION_TIMER, 1);
207 0x00010000 + ((0xff & old_timeout_type) << 8) +
208 (0xff & new_timeout_type);
211 * I estimate the likelihood to be very low - the VPP needs
212 * to have >64K interfaces to start with and then on
213 * exactly 64K indices apart needs to be exactly the same
214 * 5-tuple... Anyway, since this probability is nonzero -
215 * print an error and drop the unlucky packet.
216 * If this shows up in real world, we would need to bump
217 * the hash key length.
219 if (PREDICT_FALSE (sess->sw_if_index != sw_if_index[0]))
222 ("BUG: session LSB16(sw_if_index)=%d and 5-tuple=%d collision!",
223 sess->sw_if_index, sw_if_index[0]);
230 #define ACL_PLUGIN_VECTOR_SIZE 4
231 #define ACL_PLUGIN_PREFETCH_GAP 3
234 acl_fa_node_common_prepare_fn (vlib_main_t * vm,
235 vlib_node_runtime_t * node,
236 vlib_frame_t * frame, int is_ip6, int is_input,
237 int is_l2_path, int with_stateful_datapath)
238 /* , int node_trace_on,
239 int reclassify_sessions) */
242 acl_main_t *am = &acl_main;
243 uword thread_index = os_get_thread_index ();
244 acl_fa_per_worker_data_t *pw = &am->per_worker_data[thread_index];
248 fa_5tuple_t *fa_5tuple;
253 from = vlib_frame_vector_args (frame);
254 vlib_get_buffers (vm, from, pw->bufs, frame->n_vectors);
256 /* set the initial values for the current buffer the next pointers */
258 sw_if_index = pw->sw_if_indices;
259 fa_5tuple = pw->fa_5tuples;
264 * fill the sw_if_index, 5tuple and session hash,
265 * First in strides of size ACL_PLUGIN_VECTOR_SIZE,
266 * with buffer prefetch being
267 * ACL_PLUGIN_PREFETCH_GAP * ACL_PLUGIN_VECTOR_SIZE entries
268 * in front. Then with a simple single loop.
271 n_left = frame->n_vectors;
272 while (n_left >= (ACL_PLUGIN_PREFETCH_GAP + 1) * ACL_PLUGIN_VECTOR_SIZE)
274 const int vec_sz = ACL_PLUGIN_VECTOR_SIZE;
277 for (ii = ACL_PLUGIN_PREFETCH_GAP * vec_sz;
278 ii < (ACL_PLUGIN_PREFETCH_GAP + 1) * vec_sz; ii++)
280 CLIB_PREFETCH (b[ii], CLIB_CACHE_LINE_BYTES, LOAD);
281 CLIB_PREFETCH (b[ii]->data, 2 * CLIB_CACHE_LINE_BYTES, LOAD);
286 get_sw_if_index_xN (vec_sz, is_input, b, sw_if_index);
287 fill_5tuple_xN (vec_sz, am, is_ip6, is_input, is_l2_path, &b[0],
288 &sw_if_index[0], &fa_5tuple[0]);
289 if (with_stateful_datapath)
290 make_session_hash_xN (vec_sz, am, is_ip6, &sw_if_index[0],
291 &fa_5tuple[0], &hash[0]);
297 sw_if_index += vec_sz;
303 const int vec_sz = 1;
305 get_sw_if_index_xN (vec_sz, is_input, b, sw_if_index);
306 fill_5tuple_xN (vec_sz, am, is_ip6, is_input, is_l2_path, &b[0],
307 &sw_if_index[0], &fa_5tuple[0]);
308 if (with_stateful_datapath)
309 make_session_hash_xN (vec_sz, am, is_ip6, &sw_if_index[0],
310 &fa_5tuple[0], &hash[0]);
316 sw_if_index += vec_sz;
323 acl_fa_inner_node_fn (vlib_main_t * vm,
324 vlib_node_runtime_t * node, vlib_frame_t * frame,
325 int is_ip6, int is_input, int is_l2_path,
326 int with_stateful_datapath, int node_trace_on,
327 int reclassify_sessions)
330 u32 pkts_exist_session = 0;
331 u32 pkts_new_session = 0;
332 u32 pkts_acl_permit = 0;
333 u32 trace_bitmap = 0;
334 acl_main_t *am = &acl_main;
335 vlib_node_runtime_t *error_node;
336 vlib_error_t no_error_existing_session;
337 u64 now = clib_cpu_time_now ();
338 uword thread_index = os_get_thread_index ();
339 acl_fa_per_worker_data_t *pw = &am->per_worker_data[thread_index];
344 fa_5tuple_t *fa_5tuple;
346 /* for the delayed counters */
347 u32 saved_matched_acl_index = 0;
348 u32 saved_matched_ace_index = 0;
349 u32 saved_packet_count = 0;
350 u32 saved_byte_count = 0;
352 error_node = vlib_node_get_runtime (vm, node->node_index);
353 no_error_existing_session =
354 error_node->errors[ACL_FA_ERROR_ACL_EXIST_SESSION];
358 sw_if_index = pw->sw_if_indices;
359 fa_5tuple = pw->fa_5tuples;
363 * Now the "hard" work of session lookups and ACL lookups for new sessions.
364 * Due to the complexity, do it for the time being in single loop with
365 * the pipeline of three prefetches:
366 * 1) bucket for the session bihash
367 * 2) data for the session bihash
368 * 3) worker session record
371 fa_full_session_id_t f_sess_id_next = {.as_u64 = ~0ULL };
373 /* find the "next" session so we can kickstart the pipeline */
374 if (with_stateful_datapath)
375 acl_fa_find_session_with_hash (am, is_ip6, sw_if_index[0], hash[0],
376 &fa_5tuple[0], &f_sess_id_next.as_u64);
378 n_left = frame->n_vectors;
383 int acl_check_needed = 1;
384 u32 match_acl_in_index = ~0;
385 u32 match_acl_pos = ~0;
386 u32 match_rule_index = ~0;
388 next[0] = 0; /* drop by default */
390 /* Try to match an existing session first */
392 if (with_stateful_datapath)
394 fa_full_session_id_t f_sess_id = f_sess_id_next;
398 acl_fa_prefetch_session_bucket_for_hash (am, is_ip6, hash[5]);
402 acl_fa_prefetch_session_data_for_hash (am, is_ip6, hash[3]);
406 acl_fa_find_session_with_hash (am, is_ip6, sw_if_index[1],
407 hash[1], &fa_5tuple[1],
408 &f_sess_id_next.as_u64);
409 if (f_sess_id_next.as_u64 != ~0ULL)
411 prefetch_session_entry (am, f_sess_id_next);
415 if (f_sess_id.as_u64 != ~0ULL)
419 trace_bitmap |= 0x80000000;
421 ASSERT (f_sess_id.thread_index < vec_len (vlib_mains));
422 b[0]->error = no_error_existing_session;
423 acl_check_needed = 0;
424 pkts_exist_session += 1;
426 process_established_session (vm, am, node->node_index,
427 is_input, now, f_sess_id,
430 b[0]->current_length,
434 /* expose the session id to the tracer */
437 match_rule_index = f_sess_id.session_index;
440 if (reclassify_sessions)
443 (stale_session_deleted
444 (am, is_input, pw, now, sw_if_index[0],
447 acl_check_needed = 1;
450 trace_bitmap |= 0x40000000;
453 * If we have just deleted the session, and the next
454 * buffer is the same 5-tuple, that session prediction
455 * is wrong, correct it.
457 if ((f_sess_id_next.as_u64 != ~0ULL)
458 && 0 == memcmp (&fa_5tuple[1], &fa_5tuple[0],
459 sizeof (fa_5tuple[1])))
460 f_sess_id_next.as_u64 = ~0ULL;
466 if (acl_check_needed)
469 lc_index0 = am->input_lc_index_by_sw_if_index[sw_if_index[0]];
472 am->output_lc_index_by_sw_if_index[sw_if_index[0]];
474 action = 0; /* deny by default */
475 int is_match = acl_plugin_match_5tuple_inline (am, lc_index0,
476 (fa_5tuple_opaque_t *) & fa_5tuple[0], is_ip6,
483 (is_match && am->interface_acl_counters_enabled))
485 u32 buf_len = vlib_buffer_length_in_chain (vm, b[0]);
486 vlib_increment_combined_counter (am->combined_acl_counters +
487 saved_matched_acl_index,
489 saved_matched_ace_index,
492 saved_matched_acl_index = match_acl_in_index;
493 saved_matched_ace_index = match_rule_index;
494 saved_packet_count = 1;
495 saved_byte_count = buf_len;
496 /* prefetch the counter that we are going to increment */
497 vlib_prefetch_combined_counter (am->combined_acl_counters +
498 saved_matched_acl_index,
500 saved_matched_ace_index);
503 b[0]->error = error_node->errors[action];
510 if (!acl_fa_can_add_session (am, is_input, sw_if_index[0]))
511 acl_fa_try_recycle_session (am, is_input,
513 sw_if_index[0], now);
515 if (acl_fa_can_add_session (am, is_input, sw_if_index[0]))
517 u16 current_policy_epoch =
518 get_current_policy_epoch (am, is_input,
520 fa_full_session_id_t f_sess_id =
521 acl_fa_add_session (am, is_input, is_ip6,
524 current_policy_epoch);
526 /* perform the accounting for the newly added session */
527 process_established_session (vm, am,
533 b[0]->current_length,
538 * If the next 5tuple is the same and we just added the session,
539 * the f_sess_id_next can not be ~0. Correct it.
541 if ((f_sess_id_next.as_u64 == ~0ULL)
542 && 0 == memcmp (&fa_5tuple[1], &fa_5tuple[0],
543 sizeof (fa_5tuple[1])))
544 f_sess_id_next = f_sess_id;
551 [ACL_FA_ERROR_ACL_TOO_MANY_SESSIONS];
558 /* speculatively get the next0 */
559 vnet_feature_next_u16 (&next[0], b[0]);
560 /* if the action is not deny - then use that next */
561 next[0] = action ? next[0] : 0;
564 if (node_trace_on) // PREDICT_FALSE (node->flags & VLIB_NODE_FLAG_TRACE))
566 maybe_trace_buffer (vm, node, b[0], sw_if_index[0], lc_index0,
567 next[0], match_acl_in_index,
568 match_rule_index, &fa_5tuple[0], action,
582 * if we were had an acl match then we have a counter to increment.
583 * else it is all zeroes, so this will be harmless.
585 vlib_increment_combined_counter (am->combined_acl_counters +
586 saved_matched_acl_index,
588 saved_matched_ace_index,
589 saved_packet_count, saved_byte_count);
591 vlib_node_increment_counter (vm, node->node_index,
592 ACL_FA_ERROR_ACL_CHECK, frame->n_vectors);
593 vlib_node_increment_counter (vm, node->node_index,
594 ACL_FA_ERROR_ACL_EXIST_SESSION,
596 vlib_node_increment_counter (vm, node->node_index,
597 ACL_FA_ERROR_ACL_NEW_SESSION,
599 vlib_node_increment_counter (vm, node->node_index,
600 ACL_FA_ERROR_ACL_PERMIT, pkts_acl_permit);
601 return frame->n_vectors;
605 acl_fa_outer_node_fn (vlib_main_t * vm,
606 vlib_node_runtime_t * node, vlib_frame_t * frame,
607 int is_ip6, int is_input, int is_l2_path,
608 int do_stateful_datapath)
610 acl_main_t *am = &acl_main;
612 acl_fa_node_common_prepare_fn (vm, node, frame, is_ip6, is_input,
613 is_l2_path, do_stateful_datapath);
615 if (am->reclassify_sessions)
617 if (PREDICT_FALSE (node->flags & VLIB_NODE_FLAG_TRACE))
618 return acl_fa_inner_node_fn (vm, node, frame, is_ip6, is_input,
619 is_l2_path, do_stateful_datapath,
621 1 /* reclassify */ );
623 return acl_fa_inner_node_fn (vm, node, frame, is_ip6, is_input,
624 is_l2_path, do_stateful_datapath, 0,
625 1 /* reclassify */ );
629 if (PREDICT_FALSE (node->flags & VLIB_NODE_FLAG_TRACE))
630 return acl_fa_inner_node_fn (vm, node, frame, is_ip6, is_input,
631 is_l2_path, do_stateful_datapath,
635 return acl_fa_inner_node_fn (vm, node, frame, is_ip6, is_input,
636 is_l2_path, do_stateful_datapath, 0, 0);
641 acl_fa_node_fn (vlib_main_t * vm,
642 vlib_node_runtime_t * node, vlib_frame_t * frame, int is_ip6,
643 int is_input, int is_l2_path)
645 /* select the reclassify/no-reclassify version of the datapath */
646 acl_main_t *am = &acl_main;
647 acl_fa_per_worker_data_t *pw = &am->per_worker_data[vm->thread_index];
650 if (am->fa_sessions_hash_is_initialized)
651 rv = acl_fa_outer_node_fn (vm, node, frame, is_ip6, is_input,
654 rv = acl_fa_outer_node_fn (vm, node, frame, is_ip6, is_input,
657 vlib_buffer_enqueue_to_next (vm, node, vlib_frame_vector_args (frame),
658 pw->nexts, frame->n_vectors);
664 format_fa_5tuple (u8 * s, va_list * args)
666 fa_5tuple_t *p5t = va_arg (*args, fa_5tuple_t *);
669 void *format_address_func;
672 p5t->pkt.is_nonfirst_fragment ? " non-initial fragment" : "";
677 format_address_func = format_ip6_address;
678 paddr0 = &p5t->ip6_addr[0];
679 paddr1 = &p5t->ip6_addr[1];
684 format_address_func = format_ip4_address;
685 paddr0 = &p5t->ip4_addr[0];
686 paddr1 = &p5t->ip4_addr[1];
690 format (s, "lc_index %d l3 %s%s ", p5t->pkt.lc_index, ip_af, ip_frag_txt);
692 format (s, "%U -> %U ", format_address_func, paddr0, format_address_func,
694 s = format (s, "%U ", format_fa_session_l4_key, &p5t->l4);
695 s = format (s, "tcp flags (%s) %02x rsvd %x",
696 p5t->pkt.tcp_flags_valid ? "valid" : "invalid",
697 p5t->pkt.tcp_flags, p5t->pkt.flags_reserved);
701 #ifndef CLIB_MARCH_VARIANT
703 format_acl_plugin_5tuple (u8 * s, va_list * args)
705 return format_fa_5tuple (s, args);
709 /* packet trace format function */
711 format_acl_plugin_trace (u8 * s, va_list * args)
713 CLIB_UNUSED (vlib_main_t * vm) = va_arg (*args, vlib_main_t *);
714 CLIB_UNUSED (vlib_node_t * node) = va_arg (*args, vlib_node_t *);
715 acl_fa_trace_t *t = va_arg (*args, acl_fa_trace_t *);
719 "acl-plugin: lc_index: %d, sw_if_index %d, next index %d, action: %d, match: acl %d rule %d trace_bits %08x\n"
720 " pkt info %016llx %016llx %016llx %016llx %016llx %016llx",
721 t->lc_index, t->sw_if_index, t->next_index, t->action,
722 t->match_acl_in_index, t->match_rule_index, t->trace_bitmap,
723 t->packet_info[0], t->packet_info[1], t->packet_info[2],
724 t->packet_info[3], t->packet_info[4], t->packet_info[5]);
726 /* Now also print out the packet_info in a form usable by humans */
727 s = format (s, "\n %U", format_fa_5tuple, t->packet_info);
733 static char *acl_fa_error_strings[] = {
734 #define _(sym,string) string,
739 VLIB_NODE_FN (acl_in_l2_ip6_node) (vlib_main_t * vm,
740 vlib_node_runtime_t * node,
741 vlib_frame_t * frame)
743 return acl_fa_node_fn (vm, node, frame, 1, 1, 1);
746 VLIB_NODE_FN (acl_in_l2_ip4_node) (vlib_main_t * vm,
747 vlib_node_runtime_t * node,
748 vlib_frame_t * frame)
750 return acl_fa_node_fn (vm, node, frame, 0, 1, 1);
753 VLIB_NODE_FN (acl_out_l2_ip6_node) (vlib_main_t * vm,
754 vlib_node_runtime_t * node,
755 vlib_frame_t * frame)
757 return acl_fa_node_fn (vm, node, frame, 1, 0, 1);
760 VLIB_NODE_FN (acl_out_l2_ip4_node) (vlib_main_t * vm,
761 vlib_node_runtime_t * node,
762 vlib_frame_t * frame)
764 return acl_fa_node_fn (vm, node, frame, 0, 0, 1);
767 /**** L3 processing path nodes ****/
769 VLIB_NODE_FN (acl_in_fa_ip6_node) (vlib_main_t * vm,
770 vlib_node_runtime_t * node,
771 vlib_frame_t * frame)
773 return acl_fa_node_fn (vm, node, frame, 1, 1, 0);
776 VLIB_NODE_FN (acl_in_fa_ip4_node) (vlib_main_t * vm,
777 vlib_node_runtime_t * node,
778 vlib_frame_t * frame)
780 return acl_fa_node_fn (vm, node, frame, 0, 1, 0);
783 VLIB_NODE_FN (acl_out_fa_ip6_node) (vlib_main_t * vm,
784 vlib_node_runtime_t * node,
785 vlib_frame_t * frame)
787 return acl_fa_node_fn (vm, node, frame, 1, 0, 0);
790 VLIB_NODE_FN (acl_out_fa_ip4_node) (vlib_main_t * vm,
791 vlib_node_runtime_t * node,
792 vlib_frame_t * frame)
794 return acl_fa_node_fn (vm, node, frame, 0, 0, 0);
797 VLIB_REGISTER_NODE (acl_in_l2_ip6_node) =
799 .name = "acl-plugin-in-ip6-l2",
800 .vector_size = sizeof (u32),
801 .format_trace = format_acl_plugin_trace,
802 .type = VLIB_NODE_TYPE_INTERNAL,
803 .n_errors = ARRAY_LEN (acl_fa_error_strings),
804 .error_strings = acl_fa_error_strings,
805 .n_next_nodes = ACL_FA_N_NEXT,
808 [ACL_FA_ERROR_DROP] = "error-drop",
812 VNET_FEATURE_INIT (acl_in_l2_ip6_fa_feature, static) =
814 .arc_name = "l2-input-ip6",
815 .node_name = "acl-plugin-in-ip6-l2",
816 .runs_before = VNET_FEATURES ("l2-input-feat-arc-end"),
819 VLIB_REGISTER_NODE (acl_in_l2_ip4_node) =
821 .name = "acl-plugin-in-ip4-l2",
822 .vector_size = sizeof (u32),
823 .format_trace = format_acl_plugin_trace,
824 .type = VLIB_NODE_TYPE_INTERNAL,
825 .n_errors = ARRAY_LEN (acl_fa_error_strings),
826 .error_strings = acl_fa_error_strings,
827 .n_next_nodes = ACL_FA_N_NEXT,
830 [ACL_FA_ERROR_DROP] = "error-drop",
834 VNET_FEATURE_INIT (acl_in_l2_ip4_fa_feature, static) =
836 .arc_name = "l2-input-ip4",
837 .node_name = "acl-plugin-in-ip4-l2",
838 .runs_before = VNET_FEATURES ("l2-input-feat-arc-end"),
842 VLIB_REGISTER_NODE (acl_out_l2_ip6_node) =
844 .name = "acl-plugin-out-ip6-l2",
845 .vector_size = sizeof (u32),
846 .format_trace = format_acl_plugin_trace,
847 .type = VLIB_NODE_TYPE_INTERNAL,
848 .n_errors = ARRAY_LEN (acl_fa_error_strings),
849 .error_strings = acl_fa_error_strings,
850 .n_next_nodes = ACL_FA_N_NEXT,
853 [ACL_FA_ERROR_DROP] = "error-drop",
857 VNET_FEATURE_INIT (acl_out_l2_ip6_fa_feature, static) =
859 .arc_name = "l2-output-ip6",
860 .node_name = "acl-plugin-out-ip6-l2",
861 .runs_before = VNET_FEATURES ("l2-output-feat-arc-end"),
865 VLIB_REGISTER_NODE (acl_out_l2_ip4_node) =
867 .name = "acl-plugin-out-ip4-l2",
868 .vector_size = sizeof (u32),
869 .format_trace = format_acl_plugin_trace,
870 .type = VLIB_NODE_TYPE_INTERNAL,
871 .n_errors = ARRAY_LEN (acl_fa_error_strings),
872 .error_strings = acl_fa_error_strings,
873 .n_next_nodes = ACL_FA_N_NEXT,
876 [ACL_FA_ERROR_DROP] = "error-drop",
880 VNET_FEATURE_INIT (acl_out_l2_ip4_fa_feature, static) =
882 .arc_name = "l2-output-ip4",
883 .node_name = "acl-plugin-out-ip4-l2",
884 .runs_before = VNET_FEATURES ("l2-output-feat-arc-end"),
888 VLIB_REGISTER_NODE (acl_in_fa_ip6_node) =
890 .name = "acl-plugin-in-ip6-fa",
891 .vector_size = sizeof (u32),
892 .format_trace = format_acl_plugin_trace,
893 .type = VLIB_NODE_TYPE_INTERNAL,
894 .n_errors = ARRAY_LEN (acl_fa_error_strings),
895 .error_strings = acl_fa_error_strings,
896 .n_next_nodes = ACL_FA_N_NEXT,
899 [ACL_FA_ERROR_DROP] = "error-drop",
903 VNET_FEATURE_INIT (acl_in_ip6_fa_feature, static) =
905 .arc_name = "ip6-unicast",
906 .node_name = "acl-plugin-in-ip6-fa",
907 .runs_before = VNET_FEATURES ("ip6-flow-classify"),
910 VLIB_REGISTER_NODE (acl_in_fa_ip4_node) =
912 .name = "acl-plugin-in-ip4-fa",
913 .vector_size = sizeof (u32),
914 .format_trace = format_acl_plugin_trace,
915 .type = VLIB_NODE_TYPE_INTERNAL,
916 .n_errors = ARRAY_LEN (acl_fa_error_strings),
917 .error_strings = acl_fa_error_strings,
918 .n_next_nodes = ACL_FA_N_NEXT,
921 [ACL_FA_ERROR_DROP] = "error-drop",
925 VNET_FEATURE_INIT (acl_in_ip4_fa_feature, static) =
927 .arc_name = "ip4-unicast",
928 .node_name = "acl-plugin-in-ip4-fa",
929 .runs_before = VNET_FEATURES ("ip4-flow-classify"),
933 VLIB_REGISTER_NODE (acl_out_fa_ip6_node) =
935 .name = "acl-plugin-out-ip6-fa",
936 .vector_size = sizeof (u32),
937 .format_trace = format_acl_plugin_trace,
938 .type = VLIB_NODE_TYPE_INTERNAL,
939 .n_errors = ARRAY_LEN (acl_fa_error_strings),
940 .error_strings = acl_fa_error_strings,
941 .n_next_nodes = ACL_FA_N_NEXT,
944 [ACL_FA_ERROR_DROP] = "error-drop",
948 VNET_FEATURE_INIT (acl_out_ip6_fa_feature, static) =
950 .arc_name = "ip6-output",
951 .node_name = "acl-plugin-out-ip6-fa",
952 .runs_before = VNET_FEATURES ("interface-output"),
955 VLIB_REGISTER_NODE (acl_out_fa_ip4_node) =
957 .name = "acl-plugin-out-ip4-fa",
958 .vector_size = sizeof (u32),
959 .format_trace = format_acl_plugin_trace,
960 .type = VLIB_NODE_TYPE_INTERNAL,
961 .n_errors = ARRAY_LEN (acl_fa_error_strings),
962 .error_strings = acl_fa_error_strings,
963 .n_next_nodes = ACL_FA_N_NEXT,
964 /* edit / add dispositions here */
967 [ACL_FA_ERROR_DROP] = "error-drop",
971 VNET_FEATURE_INIT (acl_out_ip4_fa_feature, static) =
973 .arc_name = "ip4-output",
974 .node_name = "acl-plugin-out-ip4-fa",
975 .runs_before = VNET_FEATURES ("interface-output"),
981 * fd.io coding-style-patch-verification: ON
984 * eval: (c-set-style "gnu")