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/* Copyright (C) 2020 Open Information Security Foundation
*
* You can copy, redistribute or modify this Program under the terms of
* the GNU General Public License version 2 as published by the Free
* Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* version 2 along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301, USA.
*/
/**
* \file
*/
#ifndef __DECODE_ESP_H__
#define __DECODE_ESP_H__
/** \brief size of the ESP header */
#define ESP_HEADER_LEN 8
#define ESP_GET_RAW_SPI(esph) SCNtohl((esph)->spi)
#define ESP_GET_RAW_SEQUENCE(esph) SCNtohl((esph)->sequence)
/** \brief Get the spi field off a packet */
#define ESP_GET_SPI(p) ESP_GET_RAW_SPI(p->esph)
/** \brief Get the sequence field off a packet */
#define ESP_GET_SEQUENCE(p) ESP_GET_RAW_SEQUENCE(p->esph)
/** \brief ESP Header */
typedef struct ESPHdr_ {
uint32_t spi; /** < ESP Security Parameters Index */
uint32_t sequence; /** < ESP sequence number */
} __attribute__((__packed__)) ESPHdr;
#define CLEAR_ESP_PACKET(p) \
{ \
(p)->esph = NULL; \
} \
while (0)
void DecodeESPRegisterTests(void);
#endif /* __DECODE_ESP_H__ */
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