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 from = vlib_frame_vector_args (frame);
353 error_node = vlib_node_get_runtime (vm, node->node_index);
354 no_error_existing_session =
355 error_node->errors[ACL_FA_ERROR_ACL_EXIST_SESSION];
359 sw_if_index = pw->sw_if_indices;
360 fa_5tuple = pw->fa_5tuples;
364 * Now the "hard" work of session lookups and ACL lookups for new sessions.
365 * Due to the complexity, do it for the time being in single loop with
366 * the pipeline of three prefetches:
367 * 1) bucket for the session bihash
368 * 2) data for the session bihash
369 * 3) worker session record
372 fa_full_session_id_t f_sess_id_next = {.as_u64 = ~0ULL };
374 /* find the "next" session so we can kickstart the pipeline */
375 if (with_stateful_datapath)
376 acl_fa_find_session_with_hash (am, is_ip6, sw_if_index[0], hash[0],
377 &fa_5tuple[0], &f_sess_id_next.as_u64);
379 n_left = frame->n_vectors;
384 int acl_check_needed = 1;
385 u32 match_acl_in_index = ~0;
386 u32 match_acl_pos = ~0;
387 u32 match_rule_index = ~0;
389 next[0] = 0; /* drop by default */
391 /* Try to match an existing session first */
393 if (with_stateful_datapath)
395 fa_full_session_id_t f_sess_id = f_sess_id_next;
399 acl_fa_prefetch_session_bucket_for_hash (am, is_ip6, hash[5]);
403 acl_fa_prefetch_session_data_for_hash (am, is_ip6, hash[3]);
407 acl_fa_find_session_with_hash (am, is_ip6, sw_if_index[1],
408 hash[1], &fa_5tuple[1],
409 &f_sess_id_next.as_u64);
410 if (f_sess_id_next.as_u64 != ~0ULL)
412 prefetch_session_entry (am, f_sess_id_next);
416 if (f_sess_id.as_u64 != ~0ULL)
420 trace_bitmap |= 0x80000000;
422 ASSERT (f_sess_id.thread_index < vec_len (vlib_mains));
423 b[0]->error = no_error_existing_session;
424 acl_check_needed = 0;
425 pkts_exist_session += 1;
427 process_established_session (vm, am, node->node_index,
428 is_input, now, f_sess_id,
431 b[0]->current_length,
435 /* expose the session id to the tracer */
438 match_rule_index = f_sess_id.session_index;
441 if (reclassify_sessions)
444 (stale_session_deleted
445 (am, is_input, pw, now, sw_if_index[0],
448 acl_check_needed = 1;
451 trace_bitmap |= 0x40000000;
454 * If we have just deleted the session, and the next
455 * buffer is the same 5-tuple, that session prediction
456 * is wrong, correct it.
458 if ((f_sess_id_next.as_u64 != ~0ULL)
459 && 0 == memcmp (&fa_5tuple[1], &fa_5tuple[0],
460 sizeof (fa_5tuple[1])))
461 f_sess_id_next.as_u64 = ~0ULL;
467 if (acl_check_needed)
470 lc_index0 = am->input_lc_index_by_sw_if_index[sw_if_index[0]];
473 am->output_lc_index_by_sw_if_index[sw_if_index[0]];
475 action = 0; /* deny by default */
476 int is_match = acl_plugin_match_5tuple_inline (am, lc_index0,
477 (fa_5tuple_opaque_t *) & fa_5tuple[0], is_ip6,
484 (is_match && am->interface_acl_counters_enabled))
486 u32 buf_len = vlib_buffer_length_in_chain (vm, b[0]);
487 vlib_increment_combined_counter (am->combined_acl_counters +
488 saved_matched_acl_index,
490 saved_matched_ace_index,
493 saved_matched_acl_index = match_acl_in_index;
494 saved_matched_ace_index = match_rule_index;
495 saved_packet_count = 1;
496 saved_byte_count = buf_len;
497 /* prefetch the counter that we are going to increment */
498 vlib_prefetch_combined_counter (am->combined_acl_counters +
499 saved_matched_acl_index,
501 saved_matched_ace_index);
504 b[0]->error = error_node->errors[action];
511 if (!acl_fa_can_add_session (am, is_input, sw_if_index[0]))
512 acl_fa_try_recycle_session (am, is_input,
514 sw_if_index[0], now);
516 if (acl_fa_can_add_session (am, is_input, sw_if_index[0]))
518 u16 current_policy_epoch =
519 get_current_policy_epoch (am, is_input,
521 fa_full_session_id_t f_sess_id =
522 acl_fa_add_session (am, is_input, is_ip6,
525 current_policy_epoch);
527 /* perform the accounting for the newly added session */
528 process_established_session (vm, am,
534 b[0]->current_length,
539 * If the next 5tuple is the same and we just added the session,
540 * the f_sess_id_next can not be ~0. Correct it.
542 if ((f_sess_id_next.as_u64 == ~0ULL)
543 && 0 == memcmp (&fa_5tuple[1], &fa_5tuple[0],
544 sizeof (fa_5tuple[1])))
545 f_sess_id_next = f_sess_id;
552 [ACL_FA_ERROR_ACL_TOO_MANY_SESSIONS];
559 /* speculatively get the next0 */
560 vnet_feature_next_u16 (&next[0], b[0]);
561 /* if the action is not deny - then use that next */
562 next[0] = action ? next[0] : 0;
565 if (node_trace_on) // PREDICT_FALSE (node->flags & VLIB_NODE_FLAG_TRACE))
567 maybe_trace_buffer (vm, node, b[0], sw_if_index[0], lc_index0,
568 next[0], match_acl_in_index,
569 match_rule_index, &fa_5tuple[0], action,
582 vlib_buffer_enqueue_to_next (vm, node, from, pw->nexts, frame->n_vectors);
585 * if we were had an acl match then we have a counter to increment.
586 * else it is all zeroes, so this will be harmless.
588 vlib_increment_combined_counter (am->combined_acl_counters +
589 saved_matched_acl_index,
591 saved_matched_ace_index,
592 saved_packet_count, saved_byte_count);
594 vlib_node_increment_counter (vm, node->node_index,
595 ACL_FA_ERROR_ACL_CHECK, frame->n_vectors);
596 vlib_node_increment_counter (vm, node->node_index,
597 ACL_FA_ERROR_ACL_EXIST_SESSION,
599 vlib_node_increment_counter (vm, node->node_index,
600 ACL_FA_ERROR_ACL_NEW_SESSION,
602 vlib_node_increment_counter (vm, node->node_index,
603 ACL_FA_ERROR_ACL_PERMIT, pkts_acl_permit);
604 return frame->n_vectors;
608 acl_fa_outer_node_fn (vlib_main_t * vm,
609 vlib_node_runtime_t * node, vlib_frame_t * frame,
610 int is_ip6, int is_input, int is_l2_path,
611 int do_stateful_datapath)
613 acl_main_t *am = &acl_main;
615 acl_fa_node_common_prepare_fn (vm, node, frame, is_ip6, is_input,
616 is_l2_path, do_stateful_datapath);
618 if (am->reclassify_sessions)
620 if (PREDICT_FALSE (node->flags & VLIB_NODE_FLAG_TRACE))
621 return acl_fa_inner_node_fn (vm, node, frame, is_ip6, is_input,
622 is_l2_path, do_stateful_datapath,
624 1 /* reclassify */ );
626 return acl_fa_inner_node_fn (vm, node, frame, is_ip6, is_input,
627 is_l2_path, do_stateful_datapath, 0,
628 1 /* reclassify */ );
632 if (PREDICT_FALSE (node->flags & VLIB_NODE_FLAG_TRACE))
633 return acl_fa_inner_node_fn (vm, node, frame, is_ip6, is_input,
634 is_l2_path, do_stateful_datapath,
638 return acl_fa_inner_node_fn (vm, node, frame, is_ip6, is_input,
639 is_l2_path, do_stateful_datapath, 0, 0);
644 acl_fa_node_fn (vlib_main_t * vm,
645 vlib_node_runtime_t * node, vlib_frame_t * frame, int is_ip6,
646 int is_input, int is_l2_path)
648 /* select the reclassify/no-reclassify version of the datapath */
649 acl_main_t *am = &acl_main;
651 if (am->fa_sessions_hash_is_initialized)
652 return acl_fa_outer_node_fn (vm, node, frame, is_ip6, is_input,
655 return acl_fa_outer_node_fn (vm, node, frame, is_ip6, is_input,
661 format_fa_5tuple (u8 * s, va_list * args)
663 fa_5tuple_t *p5t = va_arg (*args, fa_5tuple_t *);
666 void *format_address_func;
669 p5t->pkt.is_nonfirst_fragment ? " non-initial fragment" : "";
674 format_address_func = format_ip6_address;
675 paddr0 = &p5t->ip6_addr[0];
676 paddr1 = &p5t->ip6_addr[1];
681 format_address_func = format_ip4_address;
682 paddr0 = &p5t->ip4_addr[0];
683 paddr1 = &p5t->ip4_addr[1];
687 format (s, "lc_index %d l3 %s%s ", p5t->pkt.lc_index, ip_af, ip_frag_txt);
689 format (s, "%U -> %U ", format_address_func, paddr0, format_address_func,
691 s = format (s, "%U ", format_fa_session_l4_key, &p5t->l4);
692 s = format (s, "tcp flags (%s) %02x rsvd %x",
693 p5t->pkt.tcp_flags_valid ? "valid" : "invalid",
694 p5t->pkt.tcp_flags, p5t->pkt.flags_reserved);
698 #ifndef CLIB_MARCH_VARIANT
700 format_acl_plugin_5tuple (u8 * s, va_list * args)
702 return format_fa_5tuple (s, args);
706 /* packet trace format function */
708 format_acl_plugin_trace (u8 * s, va_list * args)
710 CLIB_UNUSED (vlib_main_t * vm) = va_arg (*args, vlib_main_t *);
711 CLIB_UNUSED (vlib_node_t * node) = va_arg (*args, vlib_node_t *);
712 acl_fa_trace_t *t = va_arg (*args, acl_fa_trace_t *);
716 "acl-plugin: lc_index: %d, sw_if_index %d, next index %d, action: %d, match: acl %d rule %d trace_bits %08x\n"
717 " pkt info %016llx %016llx %016llx %016llx %016llx %016llx",
718 t->lc_index, t->sw_if_index, t->next_index, t->action,
719 t->match_acl_in_index, t->match_rule_index, t->trace_bitmap,
720 t->packet_info[0], t->packet_info[1], t->packet_info[2],
721 t->packet_info[3], t->packet_info[4], t->packet_info[5]);
723 /* Now also print out the packet_info in a form usable by humans */
724 s = format (s, "\n %U", format_fa_5tuple, t->packet_info);
730 static char *acl_fa_error_strings[] = {
731 #define _(sym,string) string,
736 VLIB_NODE_FN (acl_in_l2_ip6_node) (vlib_main_t * vm,
737 vlib_node_runtime_t * node,
738 vlib_frame_t * frame)
740 return acl_fa_node_fn (vm, node, frame, 1, 1, 1);
743 VLIB_NODE_FN (acl_in_l2_ip4_node) (vlib_main_t * vm,
744 vlib_node_runtime_t * node,
745 vlib_frame_t * frame)
747 return acl_fa_node_fn (vm, node, frame, 0, 1, 1);
750 VLIB_NODE_FN (acl_out_l2_ip6_node) (vlib_main_t * vm,
751 vlib_node_runtime_t * node,
752 vlib_frame_t * frame)
754 return acl_fa_node_fn (vm, node, frame, 1, 0, 1);
757 VLIB_NODE_FN (acl_out_l2_ip4_node) (vlib_main_t * vm,
758 vlib_node_runtime_t * node,
759 vlib_frame_t * frame)
761 return acl_fa_node_fn (vm, node, frame, 0, 0, 1);
764 /**** L3 processing path nodes ****/
766 VLIB_NODE_FN (acl_in_fa_ip6_node) (vlib_main_t * vm,
767 vlib_node_runtime_t * node,
768 vlib_frame_t * frame)
770 return acl_fa_node_fn (vm, node, frame, 1, 1, 0);
773 VLIB_NODE_FN (acl_in_fa_ip4_node) (vlib_main_t * vm,
774 vlib_node_runtime_t * node,
775 vlib_frame_t * frame)
777 return acl_fa_node_fn (vm, node, frame, 0, 1, 0);
780 VLIB_NODE_FN (acl_out_fa_ip6_node) (vlib_main_t * vm,
781 vlib_node_runtime_t * node,
782 vlib_frame_t * frame)
784 return acl_fa_node_fn (vm, node, frame, 1, 0, 0);
787 VLIB_NODE_FN (acl_out_fa_ip4_node) (vlib_main_t * vm,
788 vlib_node_runtime_t * node,
789 vlib_frame_t * frame)
791 return acl_fa_node_fn (vm, node, frame, 0, 0, 0);
794 VLIB_REGISTER_NODE (acl_in_l2_ip6_node) =
796 .name = "acl-plugin-in-ip6-l2",
797 .vector_size = sizeof (u32),
798 .format_trace = format_acl_plugin_trace,
799 .type = VLIB_NODE_TYPE_INTERNAL,
800 .n_errors = ARRAY_LEN (acl_fa_error_strings),
801 .error_strings = acl_fa_error_strings,
802 .n_next_nodes = ACL_FA_N_NEXT,
805 [ACL_FA_ERROR_DROP] = "error-drop",
809 VNET_FEATURE_INIT (acl_in_l2_ip6_fa_feature, static) =
811 .arc_name = "l2-input-ip6",
812 .node_name = "acl-plugin-in-ip6-l2",
813 .runs_before = VNET_FEATURES ("l2-input-feat-arc-end"),
816 VLIB_REGISTER_NODE (acl_in_l2_ip4_node) =
818 .name = "acl-plugin-in-ip4-l2",
819 .vector_size = sizeof (u32),
820 .format_trace = format_acl_plugin_trace,
821 .type = VLIB_NODE_TYPE_INTERNAL,
822 .n_errors = ARRAY_LEN (acl_fa_error_strings),
823 .error_strings = acl_fa_error_strings,
824 .n_next_nodes = ACL_FA_N_NEXT,
827 [ACL_FA_ERROR_DROP] = "error-drop",
831 VNET_FEATURE_INIT (acl_in_l2_ip4_fa_feature, static) =
833 .arc_name = "l2-input-ip4",
834 .node_name = "acl-plugin-in-ip4-l2",
835 .runs_before = VNET_FEATURES ("l2-input-feat-arc-end"),
839 VLIB_REGISTER_NODE (acl_out_l2_ip6_node) =
841 .name = "acl-plugin-out-ip6-l2",
842 .vector_size = sizeof (u32),
843 .format_trace = format_acl_plugin_trace,
844 .type = VLIB_NODE_TYPE_INTERNAL,
845 .n_errors = ARRAY_LEN (acl_fa_error_strings),
846 .error_strings = acl_fa_error_strings,
847 .n_next_nodes = ACL_FA_N_NEXT,
850 [ACL_FA_ERROR_DROP] = "error-drop",
854 VNET_FEATURE_INIT (acl_out_l2_ip6_fa_feature, static) =
856 .arc_name = "l2-output-ip6",
857 .node_name = "acl-plugin-out-ip6-l2",
858 .runs_before = VNET_FEATURES ("l2-output-feat-arc-end"),
862 VLIB_REGISTER_NODE (acl_out_l2_ip4_node) =
864 .name = "acl-plugin-out-ip4-l2",
865 .vector_size = sizeof (u32),
866 .format_trace = format_acl_plugin_trace,
867 .type = VLIB_NODE_TYPE_INTERNAL,
868 .n_errors = ARRAY_LEN (acl_fa_error_strings),
869 .error_strings = acl_fa_error_strings,
870 .n_next_nodes = ACL_FA_N_NEXT,
873 [ACL_FA_ERROR_DROP] = "error-drop",
877 VNET_FEATURE_INIT (acl_out_l2_ip4_fa_feature, static) =
879 .arc_name = "l2-output-ip4",
880 .node_name = "acl-plugin-out-ip4-l2",
881 .runs_before = VNET_FEATURES ("l2-output-feat-arc-end"),
885 VLIB_REGISTER_NODE (acl_in_fa_ip6_node) =
887 .name = "acl-plugin-in-ip6-fa",
888 .vector_size = sizeof (u32),
889 .format_trace = format_acl_plugin_trace,
890 .type = VLIB_NODE_TYPE_INTERNAL,
891 .n_errors = ARRAY_LEN (acl_fa_error_strings),
892 .error_strings = acl_fa_error_strings,
893 .n_next_nodes = ACL_FA_N_NEXT,
896 [ACL_FA_ERROR_DROP] = "error-drop",
900 VNET_FEATURE_INIT (acl_in_ip6_fa_feature, static) =
902 .arc_name = "ip6-unicast",
903 .node_name = "acl-plugin-in-ip6-fa",
904 .runs_before = VNET_FEATURES ("ip6-flow-classify"),
907 VLIB_REGISTER_NODE (acl_in_fa_ip4_node) =
909 .name = "acl-plugin-in-ip4-fa",
910 .vector_size = sizeof (u32),
911 .format_trace = format_acl_plugin_trace,
912 .type = VLIB_NODE_TYPE_INTERNAL,
913 .n_errors = ARRAY_LEN (acl_fa_error_strings),
914 .error_strings = acl_fa_error_strings,
915 .n_next_nodes = ACL_FA_N_NEXT,
918 [ACL_FA_ERROR_DROP] = "error-drop",
922 VNET_FEATURE_INIT (acl_in_ip4_fa_feature, static) =
924 .arc_name = "ip4-unicast",
925 .node_name = "acl-plugin-in-ip4-fa",
926 .runs_before = VNET_FEATURES ("ip4-flow-classify"),
930 VLIB_REGISTER_NODE (acl_out_fa_ip6_node) =
932 .name = "acl-plugin-out-ip6-fa",
933 .vector_size = sizeof (u32),
934 .format_trace = format_acl_plugin_trace,
935 .type = VLIB_NODE_TYPE_INTERNAL,
936 .n_errors = ARRAY_LEN (acl_fa_error_strings),
937 .error_strings = acl_fa_error_strings,
938 .n_next_nodes = ACL_FA_N_NEXT,
941 [ACL_FA_ERROR_DROP] = "error-drop",
945 VNET_FEATURE_INIT (acl_out_ip6_fa_feature, static) =
947 .arc_name = "ip6-output",
948 .node_name = "acl-plugin-out-ip6-fa",
949 .runs_before = VNET_FEATURES ("interface-output"),
952 VLIB_REGISTER_NODE (acl_out_fa_ip4_node) =
954 .name = "acl-plugin-out-ip4-fa",
955 .vector_size = sizeof (u32),
956 .format_trace = format_acl_plugin_trace,
957 .type = VLIB_NODE_TYPE_INTERNAL,
958 .n_errors = ARRAY_LEN (acl_fa_error_strings),
959 .error_strings = acl_fa_error_strings,
960 .n_next_nodes = ACL_FA_N_NEXT,
961 /* edit / add dispositions here */
964 [ACL_FA_ERROR_DROP] = "error-drop",
968 VNET_FEATURE_INIT (acl_out_ip4_fa_feature, static) =
970 .arc_name = "ip4-output",
971 .node_name = "acl-plugin-out-ip4-fa",
972 .runs_before = VNET_FEATURES ("interface-output"),
978 * fd.io coding-style-patch-verification: ON
981 * eval: (c-set-style "gnu")