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/* $OpenBSD: if_enc.h,v 1.13 2021/12/01 21:48:00 deraadt Exp $ */
/*
* Copyright (c) 2010 Reyk Floeter <reyk@vantronix.net>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#ifndef _NET_ENC_H
#define _NET_ENC_H
#define ENCMTU 1536 /* XXX should be bigger, maybe LOMTU */
#define ENC_HDRLEN 12
struct enchdr {
u_int32_t af;
u_int32_t spi;
u_int32_t flags; /* similar to mbuf m_flags */
};
#ifdef _KERNEL
struct enc_softc {
struct ifnet sc_if; /* virtual interface */
u_int sc_unit;
struct ifaddr sc_ifa; /* needed to attach rtentry */
};
struct ifnet *enc_getif(u_int, u_int);
struct ifaddr *enc_getifa(u_int, u_int);
#endif /* _KERNEL */
#endif /* _NET_ENC_H */
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