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/* Copyright (c) 2016-2018, Linaro Limited
* All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
/**
* @file
*
* ODP IPSec headers
*/
#ifndef ODP_IPSEC_H_
#define ODP_IPSEC_H_
#ifdef __cplusplus
extern "C" {
#endif
#include <odp_api.h>
/** @addtogroup odp_header ODP HEADER
* @{
*/
#define _ODP_ESPHDR_LEN 8 /**< IPSec ESP header length */
#define _ODP_ESPTRL_LEN 2 /**< IPSec ESP trailer length */
#define _ODP_AHHDR_LEN 12 /**< IPSec AH header length */
/**
* IPSec ESP header
*/
typedef struct ODP_PACKED {
odp_u32be_t spi; /**< Security Parameter Index */
odp_u32be_t seq_no; /**< Sequence Number */
uint8_t iv[0]; /**< Initialization vector */
} _odp_esphdr_t;
/** @internal Compile time assert */
ODP_STATIC_ASSERT(sizeof(_odp_esphdr_t) == _ODP_ESPHDR_LEN,
"_ODP_ESPHDR_T__SIZE_ERROR");
/**
* IPSec ESP trailer
*/
typedef struct ODP_PACKED {
uint8_t pad_len; /**< Padding length (0-255) */
uint8_t next_header; /**< Next header protocol */
uint8_t icv[0]; /**< Integrity Check Value (optional) */
} _odp_esptrl_t;
/** @internal Compile time assert */
ODP_STATIC_ASSERT(sizeof(_odp_esptrl_t) == _ODP_ESPTRL_LEN,
"_ODP_ESPTRL_T__SIZE_ERROR");
/**
* IPSec AH header
*/
typedef struct ODP_PACKED {
uint8_t next_header; /**< Next header protocol */
uint8_t ah_len; /**< AH header length */
odp_u16be_t pad; /**< Padding (must be 0) */
odp_u32be_t spi; /**< Security Parameter Index */
odp_u32be_t seq_no; /**< Sequence Number */
uint8_t icv[0]; /**< Integrity Check Value */
} _odp_ahhdr_t;
/** @internal Compile time assert */
ODP_STATIC_ASSERT(sizeof(_odp_ahhdr_t) == _ODP_AHHDR_LEN,
"_ODP_AHHDR_T__SIZE_ERROR");
/**
* @}
*/
#ifdef __cplusplus
}
#endif
#endif
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