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/*
* declarations relevant to encapsulation-like operations
* Copyright (C) 1996, 1997 John Ioannidis.
* Copyright (C) 1998, 1999, 2000, 2001 Richard Guy Briggs.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
*
* 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.
*
* RCSID $Id: ipsec_encap.h,v 1.1 2004/03/15 20:35:25 as Exp $
*/
#ifndef _IPSEC_ENCAP_H_
#define SENT_IP4 16 /* data is two struct in_addr + proto + ports*/
/* (2 * sizeof(struct in_addr)) */
/* sizeof(struct sockaddr_encap)
- offsetof(struct sockaddr_encap, Sen.Sip4.Src) */
struct sockaddr_encap
{
__u8 sen_len; /* length */
__u8 sen_family; /* AF_ENCAP */
__u16 sen_type; /* see SENT_* */
union
{
struct /* SENT_IP4 */
{
struct in_addr Src;
struct in_addr Dst;
__u8 Proto;
__u16 Sport;
__u16 Dport;
} Sip4;
} Sen;
};
#define sen_ip_src Sen.Sip4.Src
#define sen_ip_dst Sen.Sip4.Dst
#define sen_proto Sen.Sip4.Proto
#define sen_sport Sen.Sip4.Sport
#define sen_dport Sen.Sip4.Dport
#ifndef AF_ENCAP
#define AF_ENCAP 26
#endif /* AF_ENCAP */
#define _IPSEC_ENCAP_H_
#endif /* _IPSEC_ENCAP_H_ */
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