1/*	$NetBSD: ipsec_private.h,v 1.9 2018/04/28 15:45:16 maxv Exp $	*/
2
3/*
4 * Copyright (c) 2008 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Jason R. Thorpe.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 *    notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 *    notice, this list of conditions and the following disclaimer in the
17 *    documentation and/or other materials provided with the distribution.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
30 */
31
32#ifndef _NETIPSEC_IPSEC_PRIVATE_H_
33#define _NETIPSEC_IPSEC_PRIVATE_H_
34
35#ifdef _KERNEL
36#include <net/net_stats.h>
37
38extern percpu_t *ipsecstat_percpu;
39extern percpu_t *ahstat_percpu;
40extern percpu_t *espstat_percpu;
41extern percpu_t *ipcompstat_percpu;
42extern percpu_t *ipipstat_percpu;
43extern percpu_t *pfkeystat_percpu;
44
45#define	IPSEC_STAT_GETREF()	_NET_STAT_GETREF(ipsecstat_percpu)
46#define	IPSEC_STAT_PUTREF()	_NET_STAT_PUTREF(ipsecstat_percpu)
47#define	IPSEC_STATINC(x)	_NET_STATINC(ipsecstat_percpu, x)
48#define	IPSEC_STATADD(x, v)	_NET_STATADD(ipsecstat_percpu, x, v)
49
50#define	AH_STATINC(x)		_NET_STATINC(ahstat_percpu, x)
51#define	AH_STATADD(x, v)	_NET_STATADD(ahstat_percpu, x, v)
52
53#define	ESP_STATINC(x)		_NET_STATINC(espstat_percpu, x)
54#define	ESP_STATADD(x, v)	_NET_STATADD(espstat_percpu, x, v)
55
56#define	IPCOMP_STATINC(x)	_NET_STATINC(ipcompstat_percpu, x)
57#define	IPCOMP_STATADD(x, v)	_NET_STATADD(ipcompstat_percpu, x, v)
58
59#define	IPIP_STATINC(x)		_NET_STATINC(ipipstat_percpu, x)
60#define	IPIP_STATADD(x, v)	_NET_STATADD(ipipstat_percpu, x, v)
61
62#define	PFKEY_STAT_GETREF()	_NET_STAT_GETREF(pfkeystat_percpu)
63#define	PFKEY_STAT_PUTREF()	_NET_STAT_PUTREF(pfkeystat_percpu)
64#define	PFKEY_STATINC(x)	_NET_STATINC(pfkeystat_percpu, x)
65#define	PFKEY_STATADD(x, v)	_NET_STATADD(pfkeystat_percpu, x, v)
66
67/* superuser opened socket? */
68#define IPSEC_PRIVILEGED_SO(so) ((so)->so_uidinfo->ui_uid == 0)
69
70#ifdef _KERNEL_OPT
71#include "opt_net_mpsafe.h"
72#endif
73
74#ifdef NET_MPSAFE
75#define IPSEC_DECLARE_LOCK_VARIABLE
76#define IPSEC_ACQUIRE_GLOBAL_LOCKS()	do { } while (0)
77#define IPSEC_RELEASE_GLOBAL_LOCKS()	do { } while (0)
78#else
79#include <sys/socketvar.h> /* for softnet_lock */
80
81#define IPSEC_DECLARE_LOCK_VARIABLE	int __s
82#define IPSEC_ACQUIRE_GLOBAL_LOCKS()	\
83	do {					\
84		__s = splsoftnet();		\
85		mutex_enter(softnet_lock);	\
86	} while (0)
87#define IPSEC_RELEASE_GLOBAL_LOCKS()	\
88	do {					\
89		mutex_exit(softnet_lock);	\
90		splx(__s);			\
91	} while (0)
92#endif
93
94#endif /* _KERNEL */
95
96#endif /* !_NETIPSEC_IPSEC_PRIVATE_H_ */
97