1 /* $OpenBSD: if_enc.h,v 1.8 2001/06/25 05:14:00 angelos Exp $ */ 2 /* 3 * The authors of this code are John Ioannidis (ji@tla.org), 4 * Angelos D. Keromytis (kermit@csd.uch.gr) and 5 * Niels Provos (provos@physnet.uni-hamburg.de). 6 * 7 * This code was written by John Ioannidis for BSD/OS in Athens, Greece, 8 * in November 1995. 9 * 10 * Ported to OpenBSD and NetBSD, with additional transforms, in December 1996, 11 * by Angelos D. Keromytis. 12 * 13 * Additional transforms and features in 1997 and 1998 by Angelos D. Keromytis 14 * and Niels Provos. 15 * 16 * Copyright (C) 1995, 1996, 1997, 1998 by John Ioannidis, Angelos D. Keromytis 17 * and Niels Provos. 18 * Copyright (c) 2001, Angelos D. Keromytis. 19 * 20 * Permission to use, copy, and modify this software with or without fee 21 * is hereby granted, provided that this entire notice is included in 22 * all copies of any software which is or includes a copy or 23 * modification of this software. 24 * You may use this code under the GNU public license if you so wish. Please 25 * contribute changes back to the authors under this freer than GPL license 26 * so that we may further the use of strong encryption without limitations to 27 * all. 28 * 29 * THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR 30 * IMPLIED WARRANTY. IN PARTICULAR, NONE OF THE AUTHORS MAKES ANY 31 * REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE 32 * MERCHANTABILITY OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR 33 * PURPOSE. 34 */ 35 36 #ifndef _NET_IF_ENC_H_ 37 #define _NET_IF_ENC_H_ 38 39 #define ENCMTU (1024+512) 40 #define ENC_HDRLEN 12 41 42 struct enc_softc { 43 struct ifnet sc_if; /* the interface */ 44 }; 45 46 struct enchdr { 47 u_int32_t af; 48 u_int32_t spi; 49 u_int32_t flags; 50 }; 51 52 extern struct enc_softc encif[]; 53 #endif /* _NET_IF_ENC_H_ */ 54