1 /* $OpenBSD: if_enc.h,v 1.13 2021/12/01 21:48:00 deraadt Exp $ */ 2 3 /* 4 * Copyright (c) 2010 Reyk Floeter <reyk@vantronix.net> 5 * 6 * Permission to use, copy, modify, and distribute this software for any 7 * purpose with or without fee is hereby granted, provided that the above 8 * copyright notice and this permission notice appear in all copies. 9 * 10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 14 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 15 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 16 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 17 */ 18 19 #ifndef _NET_ENC_H 20 #define _NET_ENC_H 21 22 #define ENCMTU 1536 /* XXX should be bigger, maybe LOMTU */ 23 #define ENC_HDRLEN 12 24 25 struct enchdr { 26 u_int32_t af; 27 u_int32_t spi; 28 u_int32_t flags; /* similar to mbuf m_flags */ 29 }; 30 31 #ifdef _KERNEL 32 struct enc_softc { 33 struct ifnet sc_if; /* virtual interface */ 34 u_int sc_unit; 35 struct ifaddr sc_ifa; /* needed to attach rtentry */ 36 }; 37 38 struct ifnet *enc_getif(u_int, u_int); 39 struct ifaddr *enc_getifa(u_int, u_int); 40 #endif /* _KERNEL */ 41 42 #endif /* _NET_ENC_H */ 43