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/*
 * 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.
 */
/*
  Copyright (c) 2005 Eliot Dresselhaus

  Permission is hereby granted, free of charge, to any person obtaining
  a copy of this software and associated documentation files (the
  "Software"), to deal in the Software without restriction, including
  without limitation the rights to use, copy, modify, merge, publish,
  distribute, sublicense, and/or sell copies of the Software, and to
  permit persons to whom the Software is furnished to do so, subject to
  the following conditions:

  The above copyright notice and this permission notice shall be
  included in all copies or substantial portions of the Software.

  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/

#include <vppinfra/types.h>

#if defined (__SSE2__)
u8 u32x4_compare_word_mask_table[256] = {
  [0xf0] = (1 << 1),
  [0x0f] = (1 << 0),
  [0xff] = (1 << 0) | (1 << 1),
};
#endif

/*
 * fd.io coding-style-patch-verification: ON
 *
 * Local Variables:
 * eval: (c-set-style "gnu")
 * End:
 */
">CLIB_CACHE_LINE_ALIGN_MARK (cacheline0); vnet_crypto_op_t *crypto_ops; vnet_crypto_async_frame_t **async_frames; u8 data[WG_DEFAULT_DATA_SIZE]; } wg_per_thread_data_t; typedef struct { /* convenience */ vlib_main_t *vlib_main; u16 msg_id_base; wg_index_table_t index_table; u32 in4_fq_index; u32 in6_fq_index; u32 out4_fq_index; u32 out6_fq_index; wg_per_thread_data_t *per_thread_data; u8 feature_init; tw_timer_wheel_16t_2w_512sl_t timer_wheel; /* operation mode flags (e.g. async) */ u8 op_mode_flags; } wg_main_t; typedef struct { /* wg post node index for async crypto */ u32 wg4_post_next; u32 wg6_post_next; } wg_async_post_next_t; extern wg_async_post_next_t wg_encrypt_async_next; extern wg_async_post_next_t wg_decrypt_async_next; extern wg_main_t wg_main; /** * Wireguard operation mode **/ #define foreach_wg_op_mode_flags _ (0, ASYNC, "async") /** * Helper function to set/unset and check op modes **/ typedef enum wg_op_mode_flags_t_ { #define _(v, f, s) WG_OP_MODE_FLAG_##f = 1 << v, foreach_wg_op_mode_flags #undef _ } __clib_packed wg_op_mode_flags_t; #define _(a, v, s) \ always_inline int wg_op_mode_set_##v (void) \ { \ return (wg_main.op_mode_flags |= WG_OP_MODE_FLAG_##v); \ } \ always_inline int wg_op_mode_unset_##v (void) \ { \ return (wg_main.op_mode_flags &= ~WG_OP_MODE_FLAG_##v); \ } \ always_inline int wg_op_mode_is_set_##v (void) \ { \ return (wg_main.op_mode_flags & WG_OP_MODE_FLAG_##v); \ } foreach_wg_op_mode_flags #undef _ typedef struct { u8 __pad[22]; u16 next_index; } wg_post_data_t; STATIC_ASSERT (sizeof (wg_post_data_t) <= STRUCT_SIZE_OF (vnet_buffer_opaque_t, unused), "Custom meta-data too large for vnet_buffer_opaque_t"); #define wg_post_data(b) \ ((wg_post_data_t *) ((u8 *) ((b)->opaque) + \ STRUCT_OFFSET_OF (vnet_buffer_opaque_t, unused))) #define WG_START_EVENT 1 void wg_feature_init (wg_main_t * wmp); void wg_set_async_mode (u32 is_enabled); void wg_secure_zero_memory (void *v, size_t n); #endif /* __included_wg_h__ */ /* * fd.io coding-style-patch-verification: ON * * Local Variables: * eval: (c-set-style "gnu") * End: */