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

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    1 /*      $FreeBSD$       */
    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 {
   49     u_int32_t   ipips_ipackets;         /* total input packets */
   50     u_int32_t   ipips_opackets;         /* total output packets */
   51     u_int32_t   ipips_hdrops;           /* packet shorter than header shows */
   52     u_int32_t   ipips_qfull;
   53     u_int64_t   ipips_ibytes;
   54     u_int64_t   ipips_obytes;
   55     u_int32_t   ipips_pdrops;           /* packet dropped due to policy */
   56     u_int32_t   ipips_spoof;            /* IP spoofing attempts */
   57     u_int32_t   ipips_family;           /* Protocol family mismatch */
   58     u_int32_t   ipips_unspec;            /* Missing tunnel endpoint address */
   59 };
   60 
   61 #ifdef _KERNEL
   62 extern  int ipip_allow;
   63 extern  struct ipipstat ipipstat;
   64 #endif /* _KERNEL */
   65 #endif /* _NETINET_IPIP_H_ */

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