1/*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21/*
22 * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
23 * Use is subject to license terms.
24 */
25
26#ifndef	_INET_IPSECESP_H
27#define	_INET_IPSECESP_H
28
29#include <inet/ip.h>
30#include <inet/ipdrop.h>
31
32#ifdef	__cplusplus
33extern "C" {
34#endif
35
36#ifdef _KERNEL
37
38/* Named Dispatch Parameter Management Structure */
39typedef struct ipsecespparam_s {
40	uint_t	ipsecesp_param_min;
41	uint_t	ipsecesp_param_max;
42	uint_t	ipsecesp_param_value;
43	char	*ipsecesp_param_name;
44} ipsecespparam_t;
45
46/*
47 * IPSECESP stack instances
48 */
49struct ipsecesp_stack {
50	netstack_t		*ipsecesp_netstack;	/* Common netstack */
51
52	caddr_t			ipsecesp_g_nd;
53	struct ipsecespparam_s	*ipsecesp_params;
54	kmutex_t		ipsecesp_param_lock;	/* Protects params */
55
56	/* Packet dropper for ESP drops. */
57	ipdropper_t		esp_dropper;
58
59	kstat_t			*esp_ksp;
60	struct esp_kstats_s	*esp_kstats;
61
62	/*
63	 * Keysock instance of ESP.  There can be only one per stack instance.
64	 * Use casptr() on this because I don't set it until KEYSOCK_HELLO
65	 * comes down.
66	 * Paired up with the esp_pfkey_q is the esp_event, which will age SAs.
67	 */
68	queue_t			*esp_pfkey_q;
69	timeout_id_t		esp_event;
70
71	sadbp_t			esp_sadb;
72};
73typedef struct ipsecesp_stack ipsecesp_stack_t;
74
75/* Define *this* NDD variable here because we use it outside ESP proper. */
76#define	ipsecesp_nat_keepalive_interval	\
77	ipsecesp_params[14].ipsecesp_param_value
78
79#endif	/* _KERNEL */
80
81/*
82 * For now, only provide "aligned" version of header.
83 * If aligned version is needed, we'll go with the naming conventions then.
84 */
85
86typedef struct esph {
87	uint32_t esph_spi;
88	uint32_t esph_replay;
89} esph_t;
90
91/* No need for "old" ESP, just point a uint32_t *. */
92
93#ifdef	__cplusplus
94}
95#endif
96
97#endif /* _INET_IPSECESP_H */
98