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Diffstat (limited to 'src/plugins/ipsecmb/esp_encrypt.c')
-rw-r--r--src/plugins/ipsecmb/esp_encrypt.c651
1 files changed, 0 insertions, 651 deletions
diff --git a/src/plugins/ipsecmb/esp_encrypt.c b/src/plugins/ipsecmb/esp_encrypt.c
deleted file mode 100644
index 312471c6dcd..00000000000
--- a/src/plugins/ipsecmb/esp_encrypt.c
+++ /dev/null
@@ -1,651 +0,0 @@
-/*
- * esp_encrypt.c : ipsecmb ESP encrypt node
- *
- * Copyright (c) 2015 Cisco and/or its affiliates.
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at:
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include <vnet/vnet.h>
-#include <vnet/api_errno.h>
-#include <vnet/ip/ip.h>
-#include <vnet/udp/udp.h>
-
-#include <vnet/ipsec/ipsec.h>
-#include <vnet/ipsec/esp.h>
-
-#include <ipsecmb/ipsecmb.h>
-
-#define foreach_esp_encrypt_next \
- _ (DROP, "error-drop") \
- _ (IP4_LOOKUP, "ip4-lookup") \
- _ (IP6_LOOKUP, "ip6-lookup") \
- _ (INTERFACE_OUTPUT, "interface-output")
-
-#define _(v, s) ESP_ENCRYPT_NEXT_##v,
-typedef enum
-{
- foreach_esp_encrypt_next
-#undef _
- ESP_ENCRYPT_N_NEXT,
-} esp_encrypt_next_t;
-
-#define foreach_esp_encrypt_error \
- _ (RX_PKTS, "ESP pkts received") \
- _ (NO_BUFFER, "No buffer (packet dropped)") \
- _ (DECRYPTION_FAILED, "ESP encryption failed") \
- _ (SEQ_CYCLED, "sequence number cycled")
-
-typedef enum
-{
-#define _(sym, str) ESP_ENCRYPT_ERROR_##sym,
- foreach_esp_encrypt_error
-#undef _
- ESP_ENCRYPT_N_ERROR,
-} esp_encrypt_error_t;
-
-typedef struct
-{
- u32 spi;
- u32 seq;
- u8 udp_encap;
- ipsec_crypto_alg_t crypto_alg;
- ipsec_integ_alg_t integ_alg;
-} esp_encrypt_trace_t;
-
-#ifdef CLIB_MARCH_VARIANT
-static inline void
-add_random_bytes_from_traffic (ipsecmb_main_t * imbm,
- u32 thread_index, void *from, u8 size)
-{
- ASSERT (STRUCT_SIZE_OF (random_bytes_t, data) == size);
- u32 idx;
- random_bytes_t *rb;
- ipsecmb_per_thread_data_t *t = &imbm->per_thread_data[thread_index];;
- if (PREDICT_TRUE (vec_len (t->rb_recycle_list)))
- {
- idx = vec_pop (t->rb_recycle_list);
- rb = pool_elt_at_index (t->rb_pool, idx);
- }
- else
- {
- pool_get (t->rb_pool, rb);
- idx = rb - t->rb_pool;
- }
- clib_memcpy (rb->data, from, STRUCT_SIZE_OF (random_bytes_t, data));
- vec_add1 (t->rb_from_traffic, idx);
-}
-
-static inline int
-random_bytes (ipsecmb_main_t * imbm, u32 thread_index, u8 * where, u8 size)
-{
- ASSERT (STRUCT_SIZE_OF (random_bytes_t, data) == size);
- const u8 block_size = STRUCT_SIZE_OF (random_bytes_t, data);
- ipsecmb_per_thread_data_t *t = &imbm->per_thread_data[thread_index];;
- if (PREDICT_TRUE (vec_len (t->rb_from_traffic)))
- {
- u32 idx = vec_pop (t->rb_from_traffic);
- random_bytes_t *rb = pool_elt_at_index (t->rb_pool, idx);
- clib_memcpy (where, rb->data, block_size);
- vec_add1 (t->rb_recycle_list, idx);
- return 0;
- }
- if (PREDICT_FALSE (0 == vec_len (t->rb_from_dev_urandom)))
- {
- ssize_t bytes_read = read (imbm->dev_urandom_fd, t->urandom_buffer,
- sizeof (t->urandom_buffer));
- if (bytes_read < 0)
- {
- clib_unix_warning ("read() from /dev/urandom failed");
- return -1;
- }
- if (bytes_read < block_size)
- {
- clib_unix_warning
- ("read() from /dev/urandom produced only %zd bytes", bytes_read);
- return -1;
- }
- const ssize_t limit = clib_min (bytes_read, sizeof (t->urandom_buffer));
- int i;
- for (i = 0; limit - i >= block_size && vec_len (t->rb_recycle_list) > 0;
- i += block_size)
- {
- u32 idx = vec_pop (t->rb_recycle_list);
- random_bytes_t *rb = pool_elt_at_index (t->rb_pool, idx);
- clib_memcpy (rb->data, t->urandom_buffer + i, block_size);
- vec_add1 (t->rb_from_dev_urandom, idx);
- }
- for (; limit - i >= block_size; i += block_size)
- {
- random_bytes_t *rb;
- pool_get (t->rb_pool, rb);
- clib_memcpy (rb->data, t->urandom_buffer + i, block_size);
- vec_add1 (t->rb_from_dev_urandom, rb - t->rb_pool);
- }
- }
- u32 idx = vec_pop (t->rb_from_dev_urandom);
- random_bytes_t *rb = pool_elt_at_index (t->rb_pool, idx);
- clib_memcpy (where, rb->data, block_size);
- vec_add1 (t->rb_recycle_list, idx);
- return 0;
-}
-
-static inline void
-esp_finish_encrypt (vlib_main_t * vm, JOB_AES_HMAC * job,
- ipsecmb_main_t * imbm, int thread_index,
- u32 * bi0, u32 * next0, ipsec_sa_t ** sa0, int is_ip6)
-{
- ip4_header_t *oh4 = 0;
- udp_header_t *udp = 0;
- ip6_header_t *oh6 = 0;
- ipsec_main_t *im = &ipsec_main;
- *bi0 = (uintptr_t) job->user_data;
- vlib_buffer_t *b0 = vlib_get_buffer (vm, *bi0);
- u32 sa_index0 = vnet_buffer (b0)->ipsec.sad_index;
- *sa0 = pool_elt_at_index (im->sad, sa_index0);
- oh4 = vlib_buffer_get_current (b0);
- oh6 = vlib_buffer_get_current (b0);
- if (is_ip6)
- {
- oh6->payload_length =
- clib_host_to_net_u16 (vlib_buffer_length_in_chain (vm, b0) -
- sizeof (ip6_header_t));
- }
- else
- {
- oh4->length =
- clib_host_to_net_u16 (vlib_buffer_length_in_chain (vm, b0));
- oh4->checksum = ip4_header_checksum (oh4);
- if ((*sa0)->udp_encap)
- {
- udp = (udp_header_t *) (oh4 + 1);
- udp->length =
- clib_host_to_net_u16 (clib_net_to_host_u16 (oh4->length) -
- ip4_header_bytes (oh4));
- }
- }
-
- *next0 = (uintptr_t) job->user_data2;
- const int iv_size = imbm->crypto_algs[(*sa0)->crypto_alg].iv_size;
- add_random_bytes_from_traffic (imbm, thread_index,
- vlib_buffer_get_current (b0) +
- b0->current_length - iv_size, iv_size);
- if (!(*sa0)->is_tunnel)
- {
- *next0 = ESP_ENCRYPT_NEXT_INTERFACE_OUTPUT;
- vlib_buffer_advance (b0, -sizeof (ethernet_header_t));
- }
-}
-
-always_inline void
-ipsemb_ip4_fill_comon_values (ip4_header_t * oh4, u8 tos)
-{
- oh4->ip_version_and_header_length = 0x45;
- oh4->tos = tos;
- oh4->fragment_id = 0;
- oh4->flags_and_fragment_offset = 0;
- oh4->ttl = 254;
-}
-
-always_inline void
-ipsemb_handle_udp_encap (ipsec_sa_t * sa0, esp_header_t ** esp,
- ip4_header_t ** oh4)
-{
- if (sa0->udp_encap)
- {
- *esp = (esp_header_t *) ((u8 *) esp + sizeof (udp_header_t));
- udp_header_t *udp = (udp_header_t *) ((*oh4) + 1);
- udp->src_port = clib_host_to_net_u16 (UDP_DST_PORT_ipsec);
- udp->dst_port = clib_host_to_net_u16 (UDP_DST_PORT_ipsec);
- udp->checksum = 0;
- (*oh4)->protocol = IP_PROTOCOL_UDP;
- }
- else
- {
- (*oh4)->protocol = IP_PROTOCOL_IPSEC_ESP;
- }
-}
-
-always_inline void
-esp_prepare_tunneL_headers (vlib_buffer_t * b0, ipsec_sa_t * sa0, u32 * next0,
- u8 * next_hdr_type, ip4_header_t * ih4,
- ip4_header_t ** oh4, ip6_header_t * ih6,
- ip6_header_t ** oh6, esp_header_t ** esp,
- u32 iv_size, int is_ip6)
-{
- if (is_ip6)
- {
- *next0 = ESP_ENCRYPT_NEXT_IP6_LOOKUP;
- *next_hdr_type = IP_PROTOCOL_IPV6;
- *oh6 = (ip6_header_t *) ((u8 *) ih6 - sizeof (esp_header_t) -
- sizeof (ip6_header_t) - iv_size);
- (*oh6)->src_address.as_u64[0] = sa0->tunnel_src_addr.ip6.as_u64[0];
- (*oh6)->src_address.as_u64[1] = sa0->tunnel_src_addr.ip6.as_u64[1];
- (*oh6)->dst_address.as_u64[0] = sa0->tunnel_dst_addr.ip6.as_u64[0];
- (*oh6)->dst_address.as_u64[1] = sa0->tunnel_dst_addr.ip6.as_u64[1];
-
- vnet_buffer (b0)->sw_if_index[VLIB_TX] = (u32) ~ 0;
- vlib_buffer_advance (b0, -(sizeof (esp_header_t) +
- sizeof (ip6_header_t) + iv_size));
- (*oh6)->ip_version_traffic_class_and_flow_label =
- ih6->ip_version_traffic_class_and_flow_label;
- (*oh6)->protocol = IP_PROTOCOL_IPSEC_ESP;
- (*oh6)->hop_limit = 254;
- *esp = (esp_header_t *) ((*oh6) + 1);
- }
- else
- { /* is ipv4 */
- *next0 = ESP_ENCRYPT_NEXT_IP4_LOOKUP;
- u32 udp_hdr_size = 0;
- if (sa0->udp_encap)
- {
- udp_hdr_size = sizeof (udp_header_t);
- }
- *next_hdr_type = IP_PROTOCOL_IP_IN_IP;
- (*oh4) =
- (ip4_header_t *) (((u8 *) ih4) - sizeof (ip4_header_t) -
- sizeof (esp_header_t) - udp_hdr_size - iv_size);
- (*oh4)->src_address.as_u32 = sa0->tunnel_src_addr.ip4.as_u32;
- (*oh4)->dst_address.as_u32 = sa0->tunnel_dst_addr.ip4.as_u32;
- vlib_buffer_advance (b0, -(sizeof (ip4_header_t) +
- sizeof (esp_header_t) +
- udp_hdr_size + iv_size));
- vnet_buffer (b0)->sw_if_index[VLIB_TX] = (u32) ~ 0;
- *esp = (esp_header_t *) ((*oh4) + 1);
-
- ipsemb_ip4_fill_comon_values (*oh4, ih4->tos);
- ipsemb_handle_udp_encap (sa0, esp, oh4);
- }
-}
-
-always_inline void
-esp_prepare_transport_headers (vlib_buffer_t * b0, ipsec_sa_t * sa0,
- u32 * next0, u8 * next_hdr_type,
- ip4_header_t * ih4, ip4_header_t ** oh4,
- ip6_header_t * ih6, ip6_header_t ** oh6,
- esp_header_t ** esp, u32 iv_size, int is_ip6)
-{
- if (is_ip6)
- {
- *next0 = ESP_ENCRYPT_NEXT_IP6_LOOKUP;
- *next_hdr_type = ih6->protocol;
- (*oh6) = (ip6_header_t *) ((u8 *) ih6 - sizeof (esp_header_t) -
- iv_size);
- if (vnet_buffer (b0)->sw_if_index[VLIB_TX] != ~0)
- {
- ethernet_header_t *ieh0, *oeh0;
- ieh0 = (ethernet_header_t *) vlib_buffer_get_current (b0) - 1;
- oeh0 = (ethernet_header_t *) (*oh6) - 1;
- clib_memcpy (oeh0, ieh0, sizeof (ethernet_header_t));
- }
- (*oh6)->src_address.as_u64[0] = ih6->src_address.as_u64[0];
- (*oh6)->src_address.as_u64[1] = ih6->src_address.as_u64[1];
- (*oh6)->dst_address.as_u64[0] = ih6->dst_address.as_u64[0];
- (*oh6)->dst_address.as_u64[1] = ih6->dst_address.as_u64[1];
- vlib_buffer_advance (b0, -(sizeof (esp_header_t) + iv_size));
- (*oh6)->ip_version_traffic_class_and_flow_label =
- ih6->ip_version_traffic_class_and_flow_label;
- (*oh6)->protocol = IP_PROTOCOL_IPSEC_ESP;
- (*oh6)->hop_limit = 254;
- *esp = (esp_header_t *) ((*oh6) + 1);
- }
- else
- { /* is ipv4 */
- *next0 = ESP_ENCRYPT_NEXT_IP4_LOOKUP;
- u32 udp_hdr_size = 0;
- if (sa0->udp_encap)
- {
- udp_hdr_size = sizeof (udp_header_t);
- }
- *next_hdr_type = ih4->protocol;
- (*oh4) = (ip4_header_t *) (((u8 *) ih4) - sizeof (esp_header_t) -
- udp_hdr_size - iv_size);
- if (vnet_buffer (b0)->sw_if_index[VLIB_TX] != ~0)
- {
- ethernet_header_t *ieh0, *oeh0;
- ieh0 = (ethernet_header_t *) vlib_buffer_get_current (b0) - 1;
- oeh0 = (ethernet_header_t *) (*oh4) - 1;
- clib_memcpy (oeh0, ieh0, sizeof (ethernet_header_t));
- }
- (*oh4)->src_address.as_u32 = ih4->src_address.as_u32;
- (*oh4)->dst_address.as_u32 = ih4->dst_address.as_u32;
- vlib_buffer_advance (b0,
- -(sizeof (esp_header_t) + udp_hdr_size + iv_size));
- *esp = (esp_header_t *) ((*oh4) + 1);
-
- ipsemb_ip4_fill_comon_values (*oh4, ih4->tos);
- ipsemb_handle_udp_encap (sa0, esp, oh4);
- }
-}
-
-static uword
-esp_encrypt_ipsecmb_inline (vlib_main_t * vm,
- vlib_node_runtime_t * node,
- vlib_frame_t * from_frame, int is_ip6)
-{
- u32 n_left_from, *from, *to_next = 0, next_index;
- from = vlib_frame_vector_args (from_frame);
- n_left_from = from_frame->n_vectors;
- ipsecmb_main_t *imbm = &ipsecmb_main;
- ipsec_main_t *im = &ipsec_main;
- u32 packets_in_flight = 0;
- next_index = node->cached_next_index;
- u32 thread_index = vlib_get_thread_index ();
- ipsec_alloc_empty_buffers (vm, im);
- u32 *to_be_freed = NULL;
- ipsecmb_per_thread_data_t *t = &imbm->per_thread_data[thread_index];;
-
- MB_MGR *mgr = imbm->mb_mgr[thread_index];
-
- while (n_left_from > 0 || packets_in_flight > 0)
- {
- u32 n_left_to_next;
-
- vlib_get_next_frame (vm, node, next_index, to_next, n_left_to_next);
-
- while (n_left_from > 0 && n_left_to_next > 0)
- {
- u32 bi0, next0;
- vlib_buffer_t *b0 = 0;
- u32 sa_index0;
- ipsec_sa_t *sa0;
- ipsecmb_sa_t *samb0;
- ip4_header_t *ih4, *oh4 = 0;
- ip6_header_t *ih6, *oh6 = 0;
- esp_header_t *esp;
- u8 next_hdr_type;
-
- bi0 = from[0];
- from += 1;
- n_left_from -= 1;
-
- next0 = ESP_ENCRYPT_NEXT_DROP;
-
- b0 = vlib_get_buffer (vm, bi0);
- sa_index0 = vnet_buffer (b0)->ipsec.sad_index;
- sa0 = pool_elt_at_index (im->sad, sa_index0);
- samb0 = pool_elt_at_index (imbm->sad, sa_index0);
-
- if (esp_seq_advance (sa0))
- {
- clib_warning ("sequence number counter has cycled SPI %u",
- sa0->spi);
- vlib_node_increment_counter (vm, node->node_index,
- ESP_ENCRYPT_ERROR_SEQ_CYCLED, 1);
- // TODO: rekey SA
- to_next[0] = bi0;
- to_next += 1;
- goto trace;
- }
-
- sa0->total_data_size += b0->current_length;
-
- if (PREDICT_FALSE (b0->n_add_refs > 0))
- {
- vec_add1 (to_be_freed, bi0);
- b0 = vlib_buffer_copy (vm, b0);
- bi0 = vlib_get_buffer_index (vm, b0);
- }
-
- ih4 = vlib_buffer_get_current (b0);
- ih6 = vlib_buffer_get_current (b0);
-
- const int iv_size = imbm->crypto_algs[sa0->crypto_alg].iv_size;
- if (sa0->is_tunnel)
- esp_prepare_tunneL_headers (b0, sa0, &next0, &next_hdr_type, ih4,
- &oh4, ih6, &oh6, &esp, iv_size,
- is_ip6);
- else
- esp_prepare_transport_headers (b0, sa0, &next0, &next_hdr_type,
- ih4, &oh4, ih6, &oh6, &esp,
- iv_size, is_ip6);
-
-
- esp->spi = clib_net_to_host_u32 (sa0->spi);
- esp->seq = clib_net_to_host_u32 (sa0->seq);
- ASSERT (sa0->crypto_alg < IPSEC_CRYPTO_N_ALG);
-
- esp_footer_t *f0;
- const u32 payload_offset =
- (u8 *) (esp + 1) + iv_size - (u8 *) vlib_buffer_get_current (b0);
- JOB_AES_HMAC *job = IPSECMB_FUNC (get_next_job) (mgr);
- if (PREDICT_TRUE (sa0->crypto_alg != IPSEC_CRYPTO_ALG_NONE))
- {
- const int block_size =
- imbm->crypto_algs[sa0->crypto_alg].block_size;
- u32 payload_length = b0->current_length - payload_offset;
- int blocks = 1 + (payload_length + 1) / block_size;
-
- /* pad packet in input buffer */
- u8 pad_bytes =
- block_size * blocks - sizeof (esp_footer_t) - payload_length;
- u8 i;
- u8 *padding = vlib_buffer_get_current (b0) + b0->current_length;
- b0->current_length = payload_offset + block_size * blocks;
- for (i = 0; i < pad_bytes; ++i)
- {
- padding[i] = i + 1;
- }
- f0 = vlib_buffer_get_current (b0) + b0->current_length -
- sizeof (esp_footer_t);
- f0->pad_length = pad_bytes;
- f0->next_header = next_hdr_type;
-
- random_bytes (imbm, thread_index, (u8 *) (esp + 1), iv_size);
- job->iv = (u8 *) (esp + 1);
- job->iv_len_in_bytes = iv_size;
- }
-
- job->chain_order = CIPHER_HASH;
- job->cipher_direction = ENCRYPT;
- job->src = (u8 *) esp;
- job->dst = (u8 *) ((u8 *) (esp + 1) + iv_size);
- job->cipher_mode = imbm->crypto_algs[sa0->crypto_alg].cipher_mode;
- job->aes_enc_key_expanded = samb0->aes_enc_key_expanded;
- job->aes_dec_key_expanded = samb0->aes_dec_key_expanded;
- job->aes_key_len_in_bytes = sa0->crypto_key_len;
- job->cipher_start_src_offset_in_bytes =
- sizeof (esp_header_t) + iv_size;
- job->hash_start_src_offset_in_bytes = 0;
- job->msg_len_to_cipher_in_bytes =
- b0->current_length - payload_offset;
- if (PREDICT_TRUE (IPSEC_INTEG_ALG_NONE != sa0->integ_alg))
- {
- if (sa0->use_esn)
- {
- *(u32 *) (vlib_buffer_get_current (b0) +
- b0->current_length) = sa0->seq_hi;
- b0->current_length += sizeof (u32);
- }
- job->msg_len_to_hash_in_bytes = b0->current_length -
- payload_offset + sizeof (esp_header_t) + iv_size;
- job->u.HMAC._hashed_auth_key_xor_ipad = samb0->ipad_hash;
- job->u.HMAC._hashed_auth_key_xor_opad = samb0->opad_hash;
- job->auth_tag_output =
- vlib_buffer_get_current (b0) + b0->current_length;
- job->auth_tag_output_len_in_bytes =
- imbm->integ_algs[sa0->integ_alg].hash_output_length;
- b0->current_length +=
- imbm->integ_algs[sa0->integ_alg].hash_output_length;
- }
- job->hash_alg = imbm->integ_algs[sa0->integ_alg].hash_alg;
- job->user_data = (void *) (uintptr_t) bi0;
- job->user_data2 = (void *) (uintptr_t) next0;
- job = IPSECMB_FUNC (submit_job) (mgr);
- ++packets_in_flight;
-
- if (!job)
- {
- continue;
- }
-
- --packets_in_flight;
- esp_finish_encrypt (vm, job, imbm, thread_index, &bi0, &next0, &sa0,
- is_ip6);
-
- to_next[0] = bi0;
- to_next += 1;
- n_left_to_next -= 1;
-
- trace:
- if (PREDICT_FALSE (b0->flags & VLIB_BUFFER_IS_TRACED))
- {
- esp_encrypt_trace_t *tr =
- vlib_add_trace (vm, node, b0, sizeof (*tr));
- tr->spi = sa0->spi;
- tr->seq = sa0->seq - 1;
- tr->udp_encap = sa0->udp_encap;
- tr->crypto_alg = sa0->crypto_alg;
- tr->integ_alg = sa0->integ_alg;
- }
-
- vlib_validate_buffer_enqueue_x1 (vm, node, next_index, to_next,
- n_left_to_next, bi0, next0);
- }
-
- if (PREDICT_FALSE (n_left_from == 0))
- {
- JOB_AES_HMAC *job = NULL;
- while (n_left_to_next > 0 && (job = IPSECMB_FUNC (flush_job) (mgr)))
- {
- --packets_in_flight;
- u32 bi0, next0;
- vlib_buffer_t *b0;
- ipsec_sa_t *sa0;
-
- esp_finish_encrypt (vm, job, imbm, thread_index, &bi0, &next0,
- &sa0, is_ip6);
- b0 = vlib_get_buffer (vm, bi0);
-
- to_next[0] = bi0;
- to_next += 1;
- n_left_to_next -= 1;
-
- if (PREDICT_FALSE (b0->flags & VLIB_BUFFER_IS_TRACED))
- {
- esp_encrypt_trace_t *tr =
- vlib_add_trace (vm, node, b0, sizeof (*tr));
- tr->spi = sa0->spi;
- tr->seq = sa0->seq - 1;
- tr->udp_encap = sa0->udp_encap;
- tr->crypto_alg = sa0->crypto_alg;
- tr->integ_alg = sa0->integ_alg;
- }
-
- vlib_validate_buffer_enqueue_x1 (vm, node, next_index, to_next,
- n_left_to_next, bi0, next0);
- }
- }
-
- vlib_put_next_frame (vm, node, next_index, n_left_to_next);
- }
- vlib_node_increment_counter (vm, node->node_index,
- ESP_ENCRYPT_ERROR_RX_PKTS,
- from_frame->n_vectors);
-
- if (to_be_freed)
- vlib_buffer_free (vm, to_be_freed, vec_len (to_be_freed));
- vec_free (to_be_freed);
- if (PREDICT_TRUE (vec_len (t->rb_from_traffic) > 0))
- {
- /* recycle traffic generated buffers, because once the packets are sent
- * out, bytes from these packets are no longer unpredictable */
- vec_add (t->rb_recycle_list, t->rb_from_traffic,
- vec_len (t->rb_from_traffic));
- _vec_len (t->rb_from_traffic) = 0;
- }
- return from_frame->n_vectors;
-}
-
-VLIB_NODE_FN (esp4_encrypt_ipsecmb_node) (vlib_main_t * vm,
- vlib_node_runtime_t * node,
- vlib_frame_t * from_frame)
-{
- return esp_encrypt_ipsecmb_inline (vm, node, from_frame, 0 /*is_ip6 */ );
-}
-
-VLIB_NODE_FN (esp6_encrypt_ipsecmb_node) (vlib_main_t * vm,
- vlib_node_runtime_t * node,
- vlib_frame_t * from_frame)
-{
- return esp_encrypt_ipsecmb_inline (vm, node, from_frame, 1 /*is_ip6 */ );
-}
-#endif
-
-static char *esp_encrypt_error_strings[] = {
-#define _(sym, string) string,
- foreach_esp_encrypt_error
-#undef _
-};
-
-/* packet trace format function */
-static u8 *
-format_esp_encrypt_trace (u8 * s, va_list * args)
-{
- CLIB_UNUSED (vlib_main_t * vm) = va_arg (*args, vlib_main_t *);
- CLIB_UNUSED (vlib_node_t * node) = va_arg (*args, vlib_node_t *);
- esp_encrypt_trace_t *t = va_arg (*args, esp_encrypt_trace_t *);
-
- s =
- format (s, "esp: spi %u seq %u crypto %U integrity %U%s", t->spi, t->seq,
- format_ipsec_crypto_alg, t->crypto_alg, format_ipsec_integ_alg,
- t->integ_alg, t->udp_encap ? " udp-encap-enabled" : "");
- return s;
-}
-
-/* *INDENT-OFF* */
-VLIB_REGISTER_NODE (esp4_encrypt_ipsecmb_node) = {
- .name = "esp4-encrypt-ipsecmb",
- .vector_size = sizeof (u32),
- .format_trace = format_esp_encrypt_trace,
- .type = VLIB_NODE_TYPE_INTERNAL,
-
- .n_errors = ARRAY_LEN (esp_encrypt_error_strings),
- .error_strings = esp_encrypt_error_strings,
-
- .n_next_nodes = ESP_ENCRYPT_N_NEXT,
- .next_nodes =
- {
-#define _(s, n) [ESP_ENCRYPT_NEXT_##s] = n,
- foreach_esp_encrypt_next
-#undef _
- },
-};
-/* *INDENT-ON* */
-
-/* *INDENT-OFF* */
-VLIB_REGISTER_NODE (esp6_encrypt_ipsecmb_node) = {
- .name = "esp6-encrypt-ipsecmb",
- .vector_size = sizeof (u32),
- .format_trace = format_esp_encrypt_trace,
- .type = VLIB_NODE_TYPE_INTERNAL,
-
- .n_errors = ARRAY_LEN (esp_encrypt_error_strings),
- .error_strings = esp_encrypt_error_strings,
-
- .n_next_nodes = ESP_ENCRYPT_N_NEXT,
- .next_nodes =
- {
-#define _(s, n) [ESP_ENCRYPT_NEXT_##s] = n,
- foreach_esp_encrypt_next
-#undef _
- },
-};
-/* *INDENT-ON* */
-
-/*
- * fd.io coding-style-patch-verification: ON
- *
- * Local Variables:
- * eval: (c-set-style "gnu")
- * End:
- */