summaryrefslogtreecommitdiffstats
path: root/src/vnet/ipsec/ipsec_if_out.c
diff options
context:
space:
mode:
authorKlement Sekera <ksekera@cisco.com>2018-05-16 10:52:45 +0200
committerFlorin Coras <florin.coras@gmail.com>2018-06-21 14:50:10 +0000
commita98346f664aae148d26a8e158008b773d73db96f (patch)
tree2a850b1925f3dd70817fb0e41324baef71fd7a05 /src/vnet/ipsec/ipsec_if_out.c
parent56ba844d6a8b8f58b18fe51bf22707b0c37d3a87 (diff)
ipsec: VPP-1316 calculate IP/TCP/UDP inner checksums
Calculate IP/TCP/UDP checksums in software before adding authentication. Change-Id: I3e121cb00aeba667764f39ade8d62170f18f8b6b Signed-off-by: Klement Sekera <ksekera@cisco.com>
Diffstat (limited to 'src/vnet/ipsec/ipsec_if_out.c')
-rw-r--r--src/vnet/ipsec/ipsec_if_out.c172
1 files changed, 0 insertions, 172 deletions
diff --git a/src/vnet/ipsec/ipsec_if_out.c b/src/vnet/ipsec/ipsec_if_out.c
deleted file mode 100644
index cab6ff3a278..00000000000
--- a/src/vnet/ipsec/ipsec_if_out.c
+++ /dev/null
@@ -1,172 +0,0 @@
-/*
- * ipsec_if_out.c : IPSec interface output 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>
-
-/* Statistics (not really errors) */
-#define foreach_ipsec_if_output_error \
-_(TX, "good packets transmitted")
-
-static char *ipsec_if_output_error_strings[] = {
-#define _(sym,string) string,
- foreach_ipsec_if_output_error
-#undef _
-};
-
-typedef enum
-{
-#define _(sym,str) IPSEC_IF_OUTPUT_ERROR_##sym,
- foreach_ipsec_if_output_error
-#undef _
- IPSEC_IF_OUTPUT_N_ERROR,
-} ipsec_if_output_error_t;
-
-
-typedef struct
-{
- u32 spi;
- u32 seq;
-} ipsec_if_output_trace_t;
-
-u8 *
-format_ipsec_if_output_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_output_trace_t *t = va_arg (*args, ipsec_if_output_trace_t *);
-
- s = format (s, "IPSec: spi %u seq %u", t->spi, t->seq);
- return s;
-}
-
-static uword
-ipsec_if_output_node_fn (vlib_main_t * vm, vlib_node_runtime_t * node,
- vlib_frame_t * from_frame)
-{
- ipsec_main_t *im = &ipsec_main;
- vnet_main_t *vnm = im->vnet_main;
- vnet_interface_main_t *vim = &vnm->interface_main;
- u32 *from, *to_next = 0, next_index;
- u32 n_left_from, sw_if_index0, last_sw_if_index = ~0;
- u32 thread_index = vlib_get_thread_index ();
- u32 n_bytes = 0, n_packets = 0;
-
- 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, len0;
- vlib_buffer_t *b0;
- ipsec_tunnel_if_t *t0;
- vnet_hw_interface_t *hi0;
-
- 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);
- sw_if_index0 = vnet_buffer (b0)->sw_if_index[VLIB_TX];
- hi0 = vnet_get_sup_hw_interface (vnm, sw_if_index0);
- t0 = pool_elt_at_index (im->tunnel_interfaces, hi0->dev_instance);
- vnet_buffer (b0)->ipsec.sad_index = t0->output_sa_index;
- next0 = im->esp_encrypt_next_index;
-
- len0 = vlib_buffer_length_in_chain (vm, b0);
-
- if (PREDICT_TRUE (sw_if_index0 == last_sw_if_index))
- {
- n_packets++;
- n_bytes += len0;
- }
- else
- {
- vlib_increment_combined_counter (vim->combined_sw_if_counters +
- VNET_INTERFACE_COUNTER_TX,
- thread_index, sw_if_index0,
- n_packets, n_bytes);
- last_sw_if_index = sw_if_index0;
- n_packets = 1;
- n_bytes = len0;
- }
-
- if (PREDICT_FALSE (b0->flags & VLIB_BUFFER_IS_TRACED))
- {
- ipsec_if_output_trace_t *tr =
- vlib_add_trace (vm, node, b0, sizeof (*tr));
- ipsec_sa_t *sa0 =
- pool_elt_at_index (im->sad, t0->output_sa_index);
- tr->spi = sa0->spi;
- tr->seq = sa0->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);
- }
-
- if (last_sw_if_index != ~0)
- {
- vlib_increment_combined_counter (vim->combined_sw_if_counters +
- VNET_INTERFACE_COUNTER_TX,
- thread_index,
- last_sw_if_index, n_packets, n_bytes);
- }
-
- vlib_node_increment_counter (vm, ipsec_if_output_node.index,
- IPSEC_IF_OUTPUT_ERROR_TX,
- from_frame->n_vectors);
-
- return from_frame->n_vectors;
-}
-
-/* *INDENT-OFF* */
-VLIB_REGISTER_NODE (ipsec_if_output_node) = {
- .function = ipsec_if_output_node_fn,
- .name = "ipsec-if-output",
- .vector_size = sizeof (u32),
- .format_trace = format_ipsec_if_output_trace,
- .type = VLIB_NODE_TYPE_INTERNAL,
-
- .n_errors = ARRAY_LEN(ipsec_if_output_error_strings),
- .error_strings = ipsec_if_output_error_strings,
-
- .sibling_of = "ipsec-output-ip4",
-};
-/* *INDENT-ON* */
-
-VLIB_NODE_FUNCTION_MULTIARCH (ipsec_if_output_node, ipsec_if_output_node_fn)
-/*
- * fd.io coding-style-patch-verification: ON
- *
- * Local Variables:
- * eval: (c-set-style "gnu")
- * End:
- */