ipsec_tunnel_utilities.h

ipsec PNE 3.3 source code, running at more than vxworks6.x version.

/******************************************************************************/
/* Copyright 2000-2001 Wind River Systems, Inc. 							  */
/******************************************************************************/
/* ipsec_tunnel_utilities.h - modification history
--------------------------------------------------
02a,19mar02,rpt   Replaced IP_MESSAGE* with IP_VI_MESSAGE* in func declaration
01a,19mar02,rpt   Extracted from WindNet IPSec 1.1, added modification history
*/
/******************************************************************************/
#if !defined (_IPSEC_TUNNEL_UTILITIES_H_)
#define _IPSEC_TUNNEL_UTILITIES_H_

#define IP_VERSION_4                                4
#define IP_WORD_SIZE                            4
#define IP_PACKET_HEADER_MINIMUM_LENGTH         20
#define IP_PACKET_HEADER_MAXIMUM_LENGTH         60
#define IP_PACKET_MAXIMUM_SIZE                      65535
#define IP_FRAGMENT_OFFSET_MASK                 0x1fff
#define IP_DEFAULT_TIME_TO_LIVE                 32
#define IP_PACKET_HEADER_CHECKSUM_OFFSET        10

BOOL ipsec_deserialize_tunnel_message
    (
    SA_SPEC *p_spec,
    IP_VI_MESSAGE *p_ip_message
    );

BOOL ipsec_serialize_tunnel_message
    (
    SA_SPEC *p_spec,
    IP_VI_MESSAGE *p_ip_message
    );

BOOL ipsec_tunnel_manager_serialize_inner_ip_header
    (
    IP_VI_MESSAGE *p_ip_message
    );

UINT ipsec_tunnel_manager_compute_internet_checksum
    (
    UCHAR *p_data,
    UINT data_size
    );
#endif /*_IPSEC_TUNNEL_UTILITIES_H_*/
/******************************************************************************/