summaryrefslogtreecommitdiff
path: root/sys/net/if_enc.h
blob: 7dee1d7a0327a6a21c719f81acc04d4e65adfd9b (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
/*	$OpenBSD: if_enc.h,v 1.10 2010/07/01 02:09:45 reyk 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 enc_softc {
	struct ifnet		 sc_if;		/* virtual interface */
	u_int			 sc_unit;
};

struct enchdr {
	u_int32_t af;
	u_int32_t spi;
	u_int32_t flags;
};

struct ifnet	*enc_getif(u_int, u_int);

#endif /* _NET_ENC_H */