The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/netipsec/ipsec_private.h

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    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 
   38 extern percpu_t *ipsecstat_percpu;
   39 extern percpu_t *ahstat_percpu;
   40 extern percpu_t *espstat_percpu;
   41 extern percpu_t *ipcompstat_percpu;
   42 extern percpu_t *ipipstat_percpu;
   43 extern 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_ */

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