2 * esp_decrypt.c : IPSec ESP Decrypt node using DPDK Cryptodev
4 * Copyright (c) 2017 Intel and/or its affiliates.
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a opy of the License at:
9 * http://www.apache.org/licenses/LICENSE-2.0
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
18 #include <vnet/vnet.h>
19 #include <vnet/api_errno.h>
20 #include <vnet/ip/ip.h>
22 #include <vnet/ipsec/ipsec.h>
23 #include <vnet/ipsec/esp.h>
24 #include <dpdk/buffer.h>
25 #include <dpdk/ipsec/ipsec.h>
26 #include <dpdk/device/dpdk.h>
27 #include <dpdk/device/dpdk_priv.h>
29 #define foreach_esp_decrypt_next \
30 _(DROP, "error-drop") \
31 _(IP4_INPUT, "ip4-input-no-checksum") \
32 _(IP6_INPUT, "ip6-input")
34 #define _(v, s) ESP_DECRYPT_NEXT_##v,
37 foreach_esp_decrypt_next
42 #define foreach_esp_decrypt_error \
43 _(RX_PKTS, "ESP pkts received") \
44 _(DECRYPTION_FAILED, "ESP decryption failed") \
45 _(REPLAY, "SA replayed packet") \
46 _(NOT_IP, "Not IP packet (dropped)") \
47 _(ENQ_FAIL, "Enqueue failed (buffer full)") \
48 _(DISCARD, "Not enough crypto operations, discarding frame") \
49 _(BAD_LEN, "Invalid ciphertext length") \
50 _(SESSION, "Failed to get crypto session") \
51 _(NOSUP, "Cipher/Auth not supported")
56 #define _(sym,str) ESP_DECRYPT_ERROR_##sym,
57 foreach_esp_decrypt_error
60 } esp_decrypt_error_t;
62 static char *esp_decrypt_error_strings[] = {
63 #define _(sym,string) string,
64 foreach_esp_decrypt_error
68 extern vlib_node_registration_t dpdk_esp4_decrypt_node;
69 extern vlib_node_registration_t dpdk_esp6_decrypt_node;
73 ipsec_crypto_alg_t crypto_alg;
74 ipsec_integ_alg_t integ_alg;
76 } esp_decrypt_trace_t;
78 /* packet trace format function */
80 format_esp_decrypt_trace (u8 * s, va_list * args)
82 CLIB_UNUSED (vlib_main_t * vm) = va_arg (*args, vlib_main_t *);
83 CLIB_UNUSED (vlib_node_t * node) = va_arg (*args, vlib_node_t *);
84 esp_decrypt_trace_t *t = va_arg (*args, esp_decrypt_trace_t *);
85 u32 indent = format_get_indent (s);
87 s = format (s, "cipher %U auth %U\n",
88 format_ipsec_crypto_alg, t->crypto_alg,
89 format_ipsec_integ_alg, t->integ_alg);
90 s = format (s, "%U%U",
91 format_white_space, indent, format_esp_header, t->packet_data);
96 dpdk_esp_decrypt_inline (vlib_main_t * vm,
97 vlib_node_runtime_t * node,
98 vlib_frame_t * from_frame, int is_ip6)
100 u32 n_left_from, *from, *to_next, next_index, thread_index;
101 ipsec_main_t *im = &ipsec_main;
102 u32 thread_idx = vlib_get_thread_index ();
103 dpdk_crypto_main_t *dcm = &dpdk_crypto_main;
104 crypto_resource_t *res = 0;
106 crypto_alg_t *cipher_alg = 0, *auth_alg = 0;
107 struct rte_cryptodev_sym_session *session = 0;
108 u32 ret, last_sa_index = ~0;
109 u8 numa = rte_socket_id ();
111 crypto_worker_main_t *cwm =
112 vec_elt_at_index (dcm->workers_main, thread_idx);
113 struct rte_crypto_op **ops = cwm->ops;
115 from = vlib_frame_vector_args (from_frame);
116 n_left_from = from_frame->n_vectors;
117 thread_index = vm->thread_index;
119 ret = crypto_alloc_ops (numa, ops, n_left_from);
123 vlib_node_increment_counter (vm, dpdk_esp6_decrypt_node.index,
124 ESP_DECRYPT_ERROR_DISCARD, 1);
126 vlib_node_increment_counter (vm, dpdk_esp4_decrypt_node.index,
127 ESP_DECRYPT_ERROR_DISCARD, 1);
128 /* Discard whole frame */
132 next_index = ESP_DECRYPT_NEXT_DROP;
134 while (n_left_from > 0)
138 vlib_get_next_frame (vm, node, next_index, to_next, n_left_to_next);
140 while (n_left_from > 0 && n_left_to_next > 0)
143 u32 bi0, sa_index0, seq, iv_size;
147 struct rte_mbuf *mb0;
148 struct rte_crypto_op *op;
155 b0 = vlib_get_buffer (vm, bi0);
156 mb0 = rte_mbuf_from_vlib_buffer (b0);
157 esp0 = vlib_buffer_get_current (b0);
160 CLIB_PREFETCH (esp0, sizeof (esp0[0]) + 16, LOAD);
162 CLIB_PREFETCH (mb0, CLIB_CACHE_LINE_BYTES, STORE);
166 ASSERT (op->status == RTE_CRYPTO_OP_STATUS_NOT_PROCESSED);
168 dpdk_op_priv_t *priv = crypto_op_get_priv (op);
169 /* store bi in op private */
173 sizeof (op[0]) + sizeof (op[0].sym[0]) + sizeof (priv[0]);
174 CLIB_PREFETCH (op, op_len, STORE);
176 sa_index0 = vnet_buffer (b0)->ipsec.sad_index;
177 vlib_prefetch_combined_counter (&ipsec_sa_counters,
178 thread_index, sa_index0);
180 if (sa_index0 != last_sa_index)
182 sa0 = pool_elt_at_index (im->sad, sa_index0);
185 vec_elt_at_index (dcm->cipher_algs, sa0->crypto_alg);
186 auth_alg = vec_elt_at_index (dcm->auth_algs, sa0->integ_alg);
188 is_aead = (cipher_alg->type == RTE_CRYPTO_SYM_XFORM_AEAD);
190 auth_alg = cipher_alg;
192 res_idx = get_resource (cwm, sa0);
194 if (PREDICT_FALSE (res_idx == (u16) ~ 0))
196 clib_warning ("unsupported SA by thread index %u",
199 vlib_node_increment_counter (vm,
200 dpdk_esp6_decrypt_node.index,
201 ESP_DECRYPT_ERROR_NOSUP, 1);
203 vlib_node_increment_counter (vm,
204 dpdk_esp4_decrypt_node.index,
205 ESP_DECRYPT_ERROR_NOSUP, 1);
211 res = vec_elt_at_index (dcm->resource, res_idx);
213 error = crypto_get_session (&session, sa_index0, res, cwm, 0);
214 if (PREDICT_FALSE (error || !session))
216 clib_warning ("failed to get crypto session");
218 vlib_node_increment_counter (vm,
219 dpdk_esp6_decrypt_node.index,
220 ESP_DECRYPT_ERROR_SESSION,
223 vlib_node_increment_counter (vm,
224 dpdk_esp4_decrypt_node.index,
225 ESP_DECRYPT_ERROR_SESSION,
233 last_sa_index = sa_index0;
236 /* anti-replay check */
237 if (ipsec_sa_is_set_USE_ANTI_REPLAY (sa0))
241 seq = clib_net_to_host_u32 (esp0->seq);
243 if (PREDICT_TRUE (ipsec_sa_is_set_USE_EXTENDED_SEQ_NUM (sa0)))
244 rv = esp_replay_check_esn (sa0, seq);
246 rv = esp_replay_check (sa0, seq);
248 if (PREDICT_FALSE (rv))
250 clib_warning ("failed anti-replay check");
252 vlib_node_increment_counter (vm,
253 dpdk_esp6_decrypt_node.index,
254 ESP_DECRYPT_ERROR_REPLAY, 1);
256 vlib_node_increment_counter (vm,
257 dpdk_esp4_decrypt_node.index,
258 ESP_DECRYPT_ERROR_REPLAY, 1);
267 priv->next = DPDK_CRYPTO_INPUT_NEXT_DECRYPT6_POST;
269 priv->next = DPDK_CRYPTO_INPUT_NEXT_DECRYPT4_POST;
271 /* FIXME multi-seg */
272 vlib_increment_combined_counter
273 (&ipsec_sa_counters, thread_index, sa_index0,
274 1, b0->current_length);
276 res->ops[res->n_ops] = op;
277 res->bi[res->n_ops] = bi0;
280 /* Convert vlib buffer to mbuf */
281 mb0->data_len = b0->current_length;
282 mb0->pkt_len = b0->current_length;
283 mb0->data_off = RTE_PKTMBUF_HEADROOM + b0->current_data;
285 trunc_size = auth_alg->trunc_size;
286 iv_size = cipher_alg->iv_len;
288 /* Outer IP header has already been stripped */
290 b0->current_length - sizeof (esp_header_t) - iv_size - trunc_size;
292 ASSERT (payload_len >= 4);
294 if (payload_len & (cipher_alg->boundary - 1))
296 clib_warning ("payload %u not multiple of %d\n",
297 payload_len, cipher_alg->boundary);
299 vlib_node_increment_counter (vm, dpdk_esp6_decrypt_node.index,
300 ESP_DECRYPT_ERROR_BAD_LEN, 1);
302 vlib_node_increment_counter (vm, dpdk_esp4_decrypt_node.index,
303 ESP_DECRYPT_ERROR_BAD_LEN, 1);
311 u32 cipher_off, cipher_len;
315 u8 *iv = (u8 *) (esp0 + 1);
317 dpdk_gcm_cnt_blk *icb = &priv->cb;
319 cipher_off = sizeof (esp_header_t) + iv_size;
320 cipher_len = payload_len;
322 u8 *digest = vlib_buffer_get_tail (b0) - trunc_size;
324 mb0->buf_physaddr + digest - ((u8 *) mb0->buf_addr);
326 if (!is_aead && cipher_alg->alg == RTE_CRYPTO_CIPHER_AES_CBC)
327 clib_memcpy_fast (icb, iv, 16);
330 u32 *_iv = (u32 *) iv;
332 crypto_set_icb (icb, sa0->salt, _iv[0], _iv[1]);
338 u32 *_aad = (u32 *) aad;
339 clib_memcpy_fast (aad, esp0, 8);
341 /* _aad[3] should always be 0 */
342 if (PREDICT_FALSE (ipsec_sa_is_set_USE_EXTENDED_SEQ_NUM (sa0)))
343 _aad[2] = clib_host_to_net_u32 (sa0->seq_hi);
349 auth_len = sizeof (esp_header_t) + iv_size + payload_len;
351 if (ipsec_sa_is_set_USE_EXTENDED_SEQ_NUM (sa0))
353 clib_memcpy_fast (priv->icv, digest, trunc_size);
354 u32 *_digest = (u32 *) digest;
355 _digest[0] = clib_host_to_net_u32 (sa0->seq_hi);
356 auth_len += sizeof (sa0->seq_hi);
360 op->phys_addr + (uintptr_t) priv->icv - (uintptr_t) op;
364 crypto_op_setup (is_aead, mb0, op, session, cipher_off, cipher_len,
365 0, auth_len, aad, digest, digest_paddr);
367 if (PREDICT_FALSE (b0->flags & VLIB_BUFFER_IS_TRACED))
369 esp_decrypt_trace_t *tr =
370 vlib_add_trace (vm, node, b0, sizeof (*tr));
371 tr->crypto_alg = sa0->crypto_alg;
372 tr->integ_alg = sa0->integ_alg;
373 clib_memcpy_fast (tr->packet_data, vlib_buffer_get_current (b0),
374 sizeof (esp_header_t));
377 vlib_put_next_frame (vm, node, next_index, n_left_to_next);
382 vlib_node_increment_counter (vm, dpdk_esp6_decrypt_node.index,
383 ESP_DECRYPT_ERROR_RX_PKTS,
384 from_frame->n_vectors);
386 crypto_enqueue_ops (vm, cwm, dpdk_esp6_decrypt_node.index,
387 ESP_DECRYPT_ERROR_ENQ_FAIL, numa);
391 vlib_node_increment_counter (vm, dpdk_esp4_decrypt_node.index,
392 ESP_DECRYPT_ERROR_RX_PKTS,
393 from_frame->n_vectors);
395 crypto_enqueue_ops (vm, cwm, dpdk_esp4_decrypt_node.index,
396 ESP_DECRYPT_ERROR_ENQ_FAIL, numa);
399 crypto_free_ops (numa, ops, cwm->ops + from_frame->n_vectors - ops);
401 return from_frame->n_vectors;
404 VLIB_NODE_FN (dpdk_esp4_decrypt_node) (vlib_main_t * vm,
405 vlib_node_runtime_t * node,
406 vlib_frame_t * from_frame)
408 return dpdk_esp_decrypt_inline (vm, node, from_frame, 0 /*is_ip6 */ );
412 VLIB_REGISTER_NODE (dpdk_esp4_decrypt_node) = {
413 .name = "dpdk-esp4-decrypt",
414 .vector_size = sizeof (u32),
415 .format_trace = format_esp_decrypt_trace,
416 .type = VLIB_NODE_TYPE_INTERNAL,
418 .n_errors = ARRAY_LEN(esp_decrypt_error_strings),
419 .error_strings = esp_decrypt_error_strings,
421 .n_next_nodes = ESP_DECRYPT_N_NEXT,
423 #define _(s,n) [ESP_DECRYPT_NEXT_##s] = n,
424 foreach_esp_decrypt_next
430 VLIB_NODE_FN (dpdk_esp6_decrypt_node) (vlib_main_t * vm,
431 vlib_node_runtime_t * node,
432 vlib_frame_t * from_frame)
434 return dpdk_esp_decrypt_inline (vm, node, from_frame, 1 /*is_ip6 */ );
438 VLIB_REGISTER_NODE (dpdk_esp6_decrypt_node) = {
439 .name = "dpdk-esp6-decrypt",
440 .vector_size = sizeof (u32),
441 .format_trace = format_esp_decrypt_trace,
442 .type = VLIB_NODE_TYPE_INTERNAL,
444 .n_errors = ARRAY_LEN(esp_decrypt_error_strings),
445 .error_strings = esp_decrypt_error_strings,
447 .n_next_nodes = ESP_DECRYPT_N_NEXT,
449 #define _(s,n) [ESP_DECRYPT_NEXT_##s] = n,
450 foreach_esp_decrypt_next
460 #define foreach_esp_decrypt_post_error \
461 _(PKTS, "ESP post pkts")
465 #define _(sym,str) ESP_DECRYPT_POST_ERROR_##sym,
466 foreach_esp_decrypt_post_error
468 ESP_DECRYPT_POST_N_ERROR,
469 } esp_decrypt_post_error_t;
471 static char *esp_decrypt_post_error_strings[] = {
472 #define _(sym,string) string,
473 foreach_esp_decrypt_post_error
477 extern vlib_node_registration_t dpdk_esp4_decrypt_post_node;
478 extern vlib_node_registration_t dpdk_esp6_decrypt_post_node;
481 format_esp_decrypt_post_trace (u8 * s, va_list * args)
483 CLIB_UNUSED (vlib_main_t * vm) = va_arg (*args, vlib_main_t *);
484 CLIB_UNUSED (vlib_node_t * node) = va_arg (*args, vlib_node_t *);
485 esp_decrypt_trace_t *t = va_arg (*args, esp_decrypt_trace_t *);
486 u32 indent = format_get_indent (s);
488 s = format (s, "cipher %U auth %U\n",
489 format_ipsec_crypto_alg, t->crypto_alg,
490 format_ipsec_integ_alg, t->integ_alg);
492 ip4_header_t *ih4 = (ip4_header_t *) t->packet_data;
493 if ((ih4->ip_version_and_header_length & 0xF0) == 0x60)
495 format (s, "%U%U", format_white_space, indent, format_ip6_header, ih4);
498 format (s, "%U%U", format_white_space, indent, format_ip4_header, ih4);
504 dpdk_esp_decrypt_post_inline (vlib_main_t * vm,
505 vlib_node_runtime_t * node,
506 vlib_frame_t * from_frame, int is_ip6)
508 u32 n_left_from, *from, *to_next = 0, next_index;
511 ipsec_main_t *im = &ipsec_main;
512 dpdk_crypto_main_t *dcm = &dpdk_crypto_main;
514 from = vlib_frame_vector_args (from_frame);
515 n_left_from = from_frame->n_vectors;
517 next_index = node->cached_next_index;
519 while (n_left_from > 0)
523 vlib_get_next_frame (vm, node, next_index, to_next, n_left_to_next);
525 while (n_left_from > 0 && n_left_to_next > 0)
528 u32 bi0, iv_size, next0;
529 vlib_buffer_t *b0 = 0;
530 ip4_header_t *ih4 = 0, *oh4 = 0;
531 ip6_header_t *ih6 = 0, *oh6 = 0;
532 crypto_alg_t *cipher_alg, *auth_alg;
534 u8 trunc_size, is_aead;
535 u16 udp_encap_adv = 0;
537 next0 = ESP_DECRYPT_NEXT_DROP;
544 b0 = vlib_get_buffer (vm, bi0);
545 esp0 = vlib_buffer_get_current (b0);
547 sa_index0 = vnet_buffer (b0)->ipsec.sad_index;
548 sa0 = pool_elt_at_index (im->sad, sa_index0);
553 cipher_alg = vec_elt_at_index (dcm->cipher_algs, sa0->crypto_alg);
554 auth_alg = vec_elt_at_index (dcm->auth_algs, sa0->integ_alg);
555 is_aead = cipher_alg->type == RTE_CRYPTO_SYM_XFORM_AEAD;
557 auth_alg = cipher_alg;
559 trunc_size = auth_alg->trunc_size;
561 iv_size = cipher_alg->iv_len;
563 if (ipsec_sa_is_set_USE_ANTI_REPLAY (sa0))
566 seq = clib_host_to_net_u32 (esp0->seq);
567 if (PREDICT_TRUE (ipsec_sa_is_set_USE_EXTENDED_SEQ_NUM (sa0)))
568 esp_replay_advance_esn (sa0, seq);
570 esp_replay_advance (sa0, seq);
573 /* if UDP encapsulation is used adjust the address of the IP header */
574 if (ipsec_sa_is_set_UDP_ENCAP (sa0)
575 && (b0->flags & VNET_BUFFER_F_IS_IP4))
577 udp_encap_adv = sizeof (udp_header_t);
580 if (b0->flags & VNET_BUFFER_F_IS_IP4)
581 ih4 = (ip4_header_t *)
582 ((u8 *) esp0 - udp_encap_adv - sizeof (ip4_header_t));
584 ih4 = (ip4_header_t *) ((u8 *) esp0 - sizeof (ip6_header_t));
586 vlib_buffer_advance (b0, sizeof (esp_header_t) + iv_size);
588 b0->flags |= VLIB_BUFFER_TOTAL_LENGTH_VALID;
589 f0 = (esp_footer_t *) (vlib_buffer_get_tail (b0) - trunc_size - 2);
590 b0->current_length -= (f0->pad_length + trunc_size + 2);
593 const u8 *padding = vlib_buffer_get_tail (b0);
594 if (PREDICT_FALSE (memcmp (padding, pad_data, f0->pad_length)))
596 clib_warning ("bad padding");
597 vlib_node_increment_counter (vm, dpdk_esp_decrypt_node.index,
598 ESP_DECRYPT_ERROR_DECRYPTION_FAILED,
603 if (ipsec_sa_is_set_IS_TUNNEL (sa0))
605 if (f0->next_header == IP_PROTOCOL_IP_IN_IP)
606 next0 = ESP_DECRYPT_NEXT_IP4_INPUT;
607 else if (ipsec_sa_is_set_IS_TUNNEL_V6 (sa0)
608 && f0->next_header == IP_PROTOCOL_IPV6)
609 next0 = ESP_DECRYPT_NEXT_IP6_INPUT;
612 clib_warning ("next header: 0x%x", f0->next_header);
614 vlib_node_increment_counter (vm,
615 dpdk_esp6_decrypt_node.index,
616 ESP_DECRYPT_ERROR_DECRYPTION_FAILED,
619 vlib_node_increment_counter (vm,
620 dpdk_esp4_decrypt_node.index,
621 ESP_DECRYPT_ERROR_DECRYPTION_FAILED,
626 else /* transport mode */
628 if ((ih4->ip_version_and_header_length & 0xF0) == 0x40)
630 u16 ih4_len = ip4_header_bytes (ih4);
631 vlib_buffer_advance (b0, -ih4_len - udp_encap_adv);
632 next0 = ESP_DECRYPT_NEXT_IP4_INPUT;
633 if (!ipsec_sa_is_set_UDP_ENCAP (sa0))
635 oh4 = vlib_buffer_get_current (b0);
636 memmove (oh4, ih4, ih4_len);
637 oh4->protocol = f0->next_header;
638 oh4->length = clib_host_to_net_u16 (b0->current_length);
639 oh4->checksum = ip4_header_checksum (oh4);
642 else if ((ih4->ip_version_and_header_length & 0xF0) == 0x60)
644 ih6 = (ip6_header_t *) ih4;
645 vlib_buffer_advance (b0, -sizeof (ip6_header_t));
646 oh6 = vlib_buffer_get_current (b0);
647 memmove (oh6, ih6, sizeof (ip6_header_t));
649 next0 = ESP_DECRYPT_NEXT_IP6_INPUT;
650 oh6->protocol = f0->next_header;
651 u16 len = b0->current_length - sizeof (ip6_header_t);
652 oh6->payload_length = clib_host_to_net_u16 (len);
656 clib_warning ("next header: 0x%x", f0->next_header);
658 vlib_node_increment_counter (vm,
659 dpdk_esp6_decrypt_node.index,
660 ESP_DECRYPT_ERROR_DECRYPTION_FAILED,
663 vlib_node_increment_counter (vm,
664 dpdk_esp4_decrypt_node.index,
665 ESP_DECRYPT_ERROR_DECRYPTION_FAILED,
671 vnet_buffer (b0)->sw_if_index[VLIB_TX] = (u32) ~ 0;
674 if (PREDICT_FALSE (b0->flags & VLIB_BUFFER_IS_TRACED))
676 esp_decrypt_trace_t *tr =
677 vlib_add_trace (vm, node, b0, sizeof (*tr));
678 tr->crypto_alg = sa0->crypto_alg;
679 tr->integ_alg = sa0->integ_alg;
680 ih4 = vlib_buffer_get_current (b0);
681 clib_memcpy_fast (tr->packet_data, ih4, sizeof (ip6_header_t));
684 vlib_validate_buffer_enqueue_x1 (vm, node, next_index,
685 to_next, n_left_to_next, bi0,
688 vlib_put_next_frame (vm, node, next_index, n_left_to_next);
692 vlib_node_increment_counter (vm, dpdk_esp6_decrypt_post_node.index,
693 ESP_DECRYPT_POST_ERROR_PKTS,
694 from_frame->n_vectors);
696 vlib_node_increment_counter (vm, dpdk_esp4_decrypt_post_node.index,
697 ESP_DECRYPT_POST_ERROR_PKTS,
698 from_frame->n_vectors);
700 return from_frame->n_vectors;
703 VLIB_NODE_FN (dpdk_esp4_decrypt_post_node) (vlib_main_t * vm,
704 vlib_node_runtime_t * node,
705 vlib_frame_t * from_frame)
707 return dpdk_esp_decrypt_post_inline (vm, node, from_frame, 0 /*is_ip6 */ );
711 VLIB_REGISTER_NODE (dpdk_esp4_decrypt_post_node) = {
712 .name = "dpdk-esp4-decrypt-post",
713 .vector_size = sizeof (u32),
714 .format_trace = format_esp_decrypt_post_trace,
715 .type = VLIB_NODE_TYPE_INTERNAL,
717 .n_errors = ARRAY_LEN(esp_decrypt_post_error_strings),
718 .error_strings = esp_decrypt_post_error_strings,
720 .n_next_nodes = ESP_DECRYPT_N_NEXT,
722 #define _(s,n) [ESP_DECRYPT_NEXT_##s] = n,
723 foreach_esp_decrypt_next
729 VLIB_NODE_FN (dpdk_esp6_decrypt_post_node) (vlib_main_t * vm,
730 vlib_node_runtime_t * node,
731 vlib_frame_t * from_frame)
733 return dpdk_esp_decrypt_post_inline (vm, node, from_frame, 0 /*is_ip6 */ );
737 VLIB_REGISTER_NODE (dpdk_esp6_decrypt_post_node) = {
738 .name = "dpdk-esp6-decrypt-post",
739 .vector_size = sizeof (u32),
740 .format_trace = format_esp_decrypt_post_trace,
741 .type = VLIB_NODE_TYPE_INTERNAL,
743 .n_errors = ARRAY_LEN(esp_decrypt_post_error_strings),
744 .error_strings = esp_decrypt_post_error_strings,
746 .n_next_nodes = ESP_DECRYPT_N_NEXT,
748 #define _(s,n) [ESP_DECRYPT_NEXT_##s] = n,
749 foreach_esp_decrypt_next
756 * fd.io coding-style-patch-verification: ON
759 * eval: (c-set-style "gnu")