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/*
* @(#) declarations of eroute structures
*
* Copyright (C) 1996, 1997 John Ioannidis.
* Copyright (C) 1998, 1999, 2000, 2001 Richard Guy Briggs <rgb@freeswan.org>
* Copyright (C) 2001 Michael Richardson <mcr@freeswan.org>
*
* 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_eroute.h 3265 2007-10-08 19:52:55Z andreas $
*
* derived from ipsec_encap.h 1.15 on 2001/9/18 by mcr.
*
*/
#ifndef _IPSEC_EROUTE_H_
#include "radij.h"
#include "ipsec_encap.h"
#include "ipsec_radij.h"
/*
* The "type" is really part of the address as far as the routing
* system is concerned. By using only one bit in the type field
* for each type, we sort-of make sure that different types of
* encapsulation addresses won't be matched against the wrong type.
*/
/*
* An entry in the radix tree
*/
struct rjtentry
{
struct radij_node rd_nodes[2]; /* tree glue, and other values */
#define rd_key(r) ((struct sockaddr_encap *)((r)->rd_nodes->rj_key))
#define rd_mask(r) ((struct sockaddr_encap *)((r)->rd_nodes->rj_mask))
short rd_flags;
short rd_count;
};
struct ident
{
__u16 type; /* identity type */
__u64 id; /* identity id */
__u8 len; /* identity len */
caddr_t data; /* identity data */
};
/*
* An encapsulation route consists of a pointer to a
* radix tree entry and a SAID (a destination_address/SPI/protocol triple).
*/
struct eroute
{
struct rjtentry er_rjt;
struct sa_id er_said;
uint32_t er_pid;
uint32_t er_count;
uint64_t er_lasttime;
struct sockaddr_encap er_eaddr; /* MCR get rid of _encap, it is silly*/
struct sockaddr_encap er_emask;
struct ident er_ident_s;
struct ident er_ident_d;
struct sk_buff* er_first;
struct sk_buff* er_last;
};
#define er_dst er_said.dst
#define er_spi er_said.spi
#define _IPSEC_EROUTE_H_
#endif /* _IPSEC_EROUTE_H_ */
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