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/ipip_var.h

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    1 /*      $FreeBSD: releng/10.3/sys/netipsec/ipip_var.h 253088 2013-07-09 10:08:13Z ae $  */
    2 /*      $OpenBSD: ip_ipip.h,v 1.5 2002/06/09 16:26:10 itojun Exp $ */
    3 /*-
    4  * The authors of this code are John Ioannidis (ji@tla.org),
    5  * Angelos D. Keromytis (kermit@csd.uch.gr) and
    6  * Niels Provos (provos@physnet.uni-hamburg.de).
    7  *
    8  * The original version of this code was written by John Ioannidis
    9  * for BSD/OS in Athens, Greece, in November 1995.
   10  *
   11  * Ported to OpenBSD and NetBSD, with additional transforms, in December 1996,
   12  * by Angelos D. Keromytis.
   13  *
   14  * Additional transforms and features in 1997 and 1998 by Angelos D. Keromytis
   15  * and Niels Provos.
   16  *
   17  * Additional features in 1999 by Angelos D. Keromytis.
   18  *
   19  * Copyright (C) 1995, 1996, 1997, 1998, 1999 by John Ioannidis,
   20  * Angelos D. Keromytis and Niels Provos.
   21  * Copyright (c) 2001, Angelos D. Keromytis.
   22  *
   23  * Permission to use, copy, and modify this software with or without fee
   24  * is hereby granted, provided that this entire notice is included in
   25  * all copies of any software which is or includes a copy or
   26  * modification of this software.
   27  * You may use this code under the GNU public license if you so wish. Please
   28  * contribute changes back to the authors under this freer than GPL license
   29  * so that we may further the use of strong encryption without limitations to
   30  * all.
   31  *
   32  * THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR
   33  * IMPLIED WARRANTY. IN PARTICULAR, NONE OF THE AUTHORS MAKES ANY
   34  * REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE
   35  * MERCHANTABILITY OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR
   36  * PURPOSE.
   37  */
   38 
   39 #ifndef _NETINET_IPIP_H_
   40 #define _NETINET_IPIP_H_
   41 
   42 /*
   43  * IP-inside-IP processing.
   44  * Not quite all the functionality of RFC-1853, but the main idea is there.
   45  */
   46 
   47 struct ipipstat {
   48         uint64_t        ipips_ipackets; /* total input packets */
   49         uint64_t        ipips_opackets; /* total output packets */
   50         uint64_t        ipips_hdrops;   /* packet shorter than header shows */
   51         uint64_t        ipips_qfull;
   52         uint64_t        ipips_ibytes;
   53         uint64_t        ipips_obytes;
   54         uint64_t        ipips_pdrops;   /* packet dropped due to policy */
   55         uint64_t        ipips_spoof;    /* IP spoofing attempts */
   56         uint64_t        ipips_family;   /* Protocol family mismatch */
   57         uint64_t        ipips_unspec;   /* Missing tunnel endpoint address */
   58 };
   59 
   60 #ifdef _KERNEL
   61 #include <sys/counter.h>
   62 
   63 VNET_DECLARE(int, ipip_allow);
   64 VNET_PCPUSTAT_DECLARE(struct ipipstat, ipipstat);
   65 
   66 #define IPIPSTAT_ADD(name, val) \
   67     VNET_PCPUSTAT_ADD(struct ipipstat, ipipstat, name, (val))
   68 #define IPIPSTAT_INC(name)      IPIPSTAT_ADD(name, 1)
   69 #define V_ipip_allow            VNET(ipip_allow)
   70 #endif /* _KERNEL */
   71 #endif /* _NETINET_IPIP_H_ */

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