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/*
* Definitions for the SECurity layer
*
* Author:
* Robert Muchsel <muchsel@acm.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.
*/
#ifndef _LINUX_IPSEC_H
#define _LINUX_IPSEC_H
#include <linux/config.h>
#include <linux/socket.h>
#include <net/sock.h>
/* Values for the set/getsockopt calls */
/* These defines are compatible with NRL IPv6, however their semantics
is different */
#define IPSEC_LEVEL_NONE -1 /* send plaintext, accept any */
#define IPSEC_LEVEL_DEFAULT 0 /* encrypt/authenticate if possible */
/* the default MUST be 0, because a */
/* socket is initialized with 0's */
#define IPSEC_LEVEL_USE 1 /* use outbound, don't require inbound */
#define IPSEC_LEVEL_REQUIRE 2 /* require both directions */
#define IPSEC_LEVEL_UNIQUE 2 /* for compatibility only */
#endif /* _LINUX_IPSEC_H */
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