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