diff options
Diffstat (limited to 'src/plugins/ipsecmb/esp_encrypt.c')
| -rw-r--r-- | src/plugins/ipsecmb/esp_encrypt.c | 651 |
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: - */ |