1 /* $FreeBSD: stable/10/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_ */ 72