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/*
* Copyright (c) 2020 Doc.ai 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/plugin/plugin.h>
#include <vpp/app/version.h>
#include <vnet/crypto/crypto.h>
#include <wireguard/wireguard_send.h>
#include <wireguard/wireguard_key.h>
#include <wireguard/wireguard_if.h>
#include <wireguard/wireguard.h>
wg_main_t wg_main;
wg_async_post_next_t wg_encrypt_async_next;
wg_async_post_next_t wg_decrypt_async_next;
void
wg_set_async_mode (u32 is_enabled)
{
if (is_enabled)
wg_op_mode_set_ASYNC ();
else
wg_op_mode_unset_ASYNC ();
}
static void
wireguard_register_post_node (vlib_main_t *vm)
{
wg_async_post_next_t *eit;
wg_async_post_next_t *dit;
eit = &wg_encrypt_async_next;
dit = &wg_decrypt_async_next;
eit->wg4_post_next =
vnet_crypto_register_post_node (vm, "wg4-output-tun-post-node");
eit->wg6_post_next =
vnet_crypto_register_post_node (vm, "wg6-output-tun-post-node");
dit->wg4_post_next =
vnet_crypto_register_post_node (vm, "wg4-input-post-node");
dit->wg6_post_next =
vnet_crypto_register_post_node (vm, "wg6-input-post-node");
}
void
wg_secure_zero_memory (void *v, size_t n)
{
static void *(*const volatile memset_v) (void *, int, size_t) = &memset;
memset_v (v, 0, n);
}
static clib_error_t *
wg_init (vlib_main_t * vm)
{
wg_main_t *wmp = &wg_main;
wmp->vlib_main = vm;
wmp->in4_fq_index = vlib_frame_queue_main_init (wg4_input_node.index, 0);
wmp->in6_fq_index = vlib_frame_queue_main_init (wg6_input_node.index, 0);
wmp->out4_fq_index =
vlib_frame_queue_main_init (wg4_output_tun_node.index, 0);
wmp->out6_fq_index =
vlib_frame_queue_main_init (wg6_output_tun_node.index, 0);
vlib_thread_main_t *tm = vlib_get_thread_main ();
vec_validate_aligned (wmp->per_thread_data, tm->n_vlib_mains,
CLIB_CACHE_LINE_BYTES);
wg_timer_wheel_init ();
wireguard_register_post_node (vm);
wmp->op_mode_flags = 0;
return (NULL);
}
VLIB_INIT_FUNCTION (wg_init);
/* *INDENT-OFF* */
VNET_FEATURE_INIT (wg4_output_tun, static) = {
.arc_name = "ip4-output",
.node_name = "wg4-output-tun",
.runs_after = VNET_FEATURES ("gso-ip4"),
};
VNET_FEATURE_INIT (wg6_output_tun, static) = {
.arc_name = "ip6-output",
.node_name = "wg6-output-tun",
.runs_after = VNET_FEATURES ("gso-ip6"),
};
VLIB_PLUGIN_REGISTER () =
{
.version = VPP_BUILD_VER,
.description = "Wireguard Protocol",
};
/* *INDENT-ON* */
/*
* fd.io coding-style-patch-verification: ON
*
* Local Variables:
* eval: (c-set-style "gnu")
* End:
*/
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