diff options
Diffstat (limited to 'vnet/vnet/ipsec/ipsec_if_in.c')
| -rw-r--r-- | vnet/vnet/ipsec/ipsec_if_in.c | 175 |
1 files changed, 0 insertions, 175 deletions
diff --git a/vnet/vnet/ipsec/ipsec_if_in.c b/vnet/vnet/ipsec/ipsec_if_in.c deleted file mode 100644 index db75ab92da9..00000000000 --- a/vnet/vnet/ipsec/ipsec_if_in.c +++ /dev/null @@ -1,175 +0,0 @@ -/* - * ipsec_if_in.c : IPSec interface input 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/ipsec/ipsec.h> -#include <vnet/ipsec/esp.h> - -#if DPDK_CRYPTO==1 -#define ESP_NODE "dpdk-esp-decrypt" -#else -#define ESP_NODE "esp-decrypt" -#endif - -/* Statistics (not really errors) */ -#define foreach_ipsec_if_input_error \ -_(RX, "good packets received") - -static char *ipsec_if_input_error_strings[] = { -#define _(sym,string) string, - foreach_ipsec_if_input_error -#undef _ -}; - -typedef enum -{ -#define _(sym,str) IPSEC_IF_INPUT_ERROR_##sym, - foreach_ipsec_if_input_error -#undef _ - IPSEC_IF_INPUT_N_ERROR, -} ipsec_if_input_error_t; - -typedef enum -{ - IPSEC_IF_INPUT_NEXT_ESP_DECRYPT, - IPSEC_IF_INPUT_NEXT_DROP, - IPSEC_IF_INPUT_N_NEXT, -} ipsec_if_input_next_t; - -typedef struct -{ - u32 spi; - u32 seq; -} ipsec_if_input_trace_t; - - -u8 * -format_ipsec_if_input_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 *); - ipsec_if_input_trace_t *t = va_arg (*args, ipsec_if_input_trace_t *); - - s = format (s, "IPSec: spi %u seq %u", t->spi, t->seq); - return s; -} - -static uword -ipsec_if_input_node_fn (vlib_main_t * vm, vlib_node_runtime_t * node, - vlib_frame_t * from_frame) -{ - ipsec_main_t *im = &ipsec_main; - u32 *from, *to_next = 0, next_index; - u32 n_left_from; - - from = vlib_frame_vector_args (from_frame); - n_left_from = from_frame->n_vectors; - next_index = node->cached_next_index; - - while (n_left_from > 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; - ip4_header_t *ip0; - esp_header_t *esp0; - uword *p; - - bi0 = to_next[0] = from[0]; - from += 1; - n_left_from -= 1; - to_next += 1; - n_left_to_next -= 1; - b0 = vlib_get_buffer (vm, bi0); - ip0 = vlib_buffer_get_current (b0); - esp0 = (esp_header_t *) ((u8 *) ip0 + ip4_header_bytes (ip0)); - - next0 = IPSEC_IF_INPUT_NEXT_DROP; - - u64 key = (u64) ip0->src_address.as_u32 << 32 | - (u64) clib_net_to_host_u32 (esp0->spi); - - p = hash_get (im->ipsec_if_pool_index_by_key, key); - - if (p) - { - ipsec_tunnel_if_t *t; - t = pool_elt_at_index (im->tunnel_interfaces, p[0]); - vnet_buffer (b0)->ipsec.sad_index = t->input_sa_index; - vnet_buffer (b0)->ipsec.flags = - t->hw_if_index == ~0 ? IPSEC_FLAG_IPSEC_GRE_TUNNEL : 0; - vlib_buffer_advance (b0, ip4_header_bytes (ip0)); - next0 = IPSEC_IF_INPUT_NEXT_ESP_DECRYPT; - } - - if (PREDICT_FALSE (b0->flags & VLIB_BUFFER_IS_TRACED)) - { - ipsec_if_input_trace_t *tr = - vlib_add_trace (vm, node, b0, sizeof (*tr)); - tr->spi = clib_host_to_net_u32 (esp0->spi); - tr->seq = clib_host_to_net_u32 (esp0->seq); - } - - 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, ipsec_if_input_node.index, - IPSEC_IF_INPUT_ERROR_RX, - from_frame->n_vectors); - - return from_frame->n_vectors; -} - -/* *INDENT-OFF* */ -VLIB_REGISTER_NODE (ipsec_if_input_node) = { - .function = ipsec_if_input_node_fn, - .name = "ipsec-if-input", - .vector_size = sizeof (u32), - .format_trace = format_ipsec_if_input_trace, - .type = VLIB_NODE_TYPE_INTERNAL, - - .n_errors = ARRAY_LEN(ipsec_if_input_error_strings), - .error_strings = ipsec_if_input_error_strings, - - .n_next_nodes = IPSEC_IF_INPUT_N_NEXT, - - .next_nodes = { - [IPSEC_IF_INPUT_NEXT_ESP_DECRYPT] = ESP_NODE, - [IPSEC_IF_INPUT_NEXT_DROP] = "error-drop", - }, -}; -/* *INDENT-ON* */ - -VLIB_NODE_FUNCTION_MULTIARCH (ipsec_if_input_node, ipsec_if_input_node_fn) -/* - * fd.io coding-style-patch-verification: ON - * - * Local Variables: - * eval: (c-set-style "gnu") - * End: - */ |