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 /*      $NetBSD: ipip_var.h,v 1.2 2004/05/07 00:55:14 jonathan Exp $    */
    2 /*      $FreeBSD: src/sys/netipsec/ipip_var.h,v 1.1.4.1 2003/01/24 05:11:35 sam Exp $   */
    3 /*      $OpenBSD: ip_ipip.h,v 1.5 2002/06/09 16:26:10 itojun Exp $ */
    4 /*
    5  * The authors of this code are John Ioannidis (ji@tla.org),
    6  * Angelos D. Keromytis (kermit@csd.uch.gr) and
    7  * Niels Provos (provos@physnet.uni-hamburg.de).
    8  *
    9  * The original version of this code was written by John Ioannidis
   10  * for BSD/OS in Athens, Greece, in November 1995.
   11  *
   12  * Ported to OpenBSD and NetBSD, with additional transforms, in December 1996,
   13  * by Angelos D. Keromytis.
   14  *
   15  * Additional transforms and features in 1997 and 1998 by Angelos D. Keromytis
   16  * and Niels Provos.
   17  *
   18  * Additional features in 1999 by Angelos D. Keromytis.
   19  *
   20  * Copyright (C) 1995, 1996, 1997, 1998, 1999 by John Ioannidis,
   21  * Angelos D. Keromytis and Niels Provos.
   22  * Copyright (c) 2001, Angelos D. Keromytis.
   23  *
   24  * Permission to use, copy, and modify this software with or without fee
   25  * is hereby granted, provided that this entire notice is included in
   26  * all copies of any software which is or includes a copy or
   27  * modification of this software.
   28  * You may use this code under the GNU public license if you so wish. Please
   29  * contribute changes back to the authors under this freer than GPL license
   30  * so that we may further the use of strong encryption without limitations to
   31  * all.
   32  *
   33  * THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR
   34  * IMPLIED WARRANTY. IN PARTICULAR, NONE OF THE AUTHORS MAKES ANY
   35  * REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE
   36  * MERCHANTABILITY OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR
   37  * PURPOSE.
   38  */
   39 
   40 #ifndef _NETINET_IPIP_H_
   41 #define _NETINET_IPIP_H_
   42 
   43 /*
   44  * IP-inside-IP processing.
   45  * Not quite all the functionality of RFC-1853, but the main idea is there.
   46  */
   47 
   48 struct ipipstat
   49 {
   50     u_int64_t   ipips_ipackets;         /* total input packets */
   51     u_int64_t   ipips_opackets;         /* total output packets */
   52     u_int64_t   ipips_hdrops;           /* packet shorter than header shows */
   53     u_int64_t   ipips_qfull;
   54     u_int64_t   ipips_ibytes;
   55     u_int64_t   ipips_obytes;
   56     u_int64_t   ipips_pdrops;           /* packet dropped due to policy */
   57     u_int64_t   ipips_spoof;            /* IP spoofing attempts */
   58     u_int64_t   ipips_family;           /* Protocol family mismatch */
   59     u_int64_t   ipips_unspec;            /* Missing tunnel endpoint address */
   60 };
   61 
   62 #ifdef _KERNEL
   63 extern  int ipip_allow;
   64 extern  struct ipipstat ipipstat;
   65 #endif /* _KERNEL */
   66 #endif /* _NETINET_IPIP_H_ */

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