1/*
2 * Copyright (c) 2012-2014 Apple Inc. All rights reserved.
3 *
4 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
5 *
6 * This file contains Original Code and/or Modifications of Original Code
7 * as defined in and that are subject to the Apple Public Source License
8 * Version 2.0 (the 'License'). You may not use this file except in
9 * compliance with the License. The rights granted to you under the License
10 * may not be used to create, or enable the creation or redistribution of,
11 * unlawful or unlicensed copies of an Apple operating system, or to
12 * circumvent, violate, or enable the circumvention or violation of, any
13 * terms of an Apple operating system software license agreement.
14 *
15 * Please obtain a copy of the License at
16 * http://www.opensource.apple.com/apsl/ and read it before using this file.
17 *
18 * The Original Code and all software distributed under the License are
19 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
20 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
21 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
22 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
23 * Please see the License for the specific language governing rights and
24 * limitations under the License.
25 *
26 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
27 */
28
29
30#ifndef	_NET_IF_IPSEC_H_
31#define	_NET_IF_IPSEC_H_
32
33#ifdef BSD_KERNEL_PRIVATE
34
35#include <sys/kern_control.h>
36#include <netinet/ip_var.h>
37
38/* Control block allocated for each kernel control connection */
39struct ipsec_pcb {
40	kern_ctl_ref		ipsec_ctlref;
41	ifnet_t				ipsec_ifp;
42	u_int32_t			ipsec_unit;
43	u_int32_t			ipsec_flags;
44	int					ipsec_ext_ifdata_stats;
45	mbuf_svc_class_t	ipsec_output_service_class;
46};
47
48errno_t ipsec_register_control(void);
49
50/* Helpers */
51int ipsec_interface_isvalid (ifnet_t interface);
52
53errno_t ipsec_inject_inbound_packet(ifnet_t	interface, mbuf_t packet);
54
55void ipsec_set_pkthdr_for_interface(ifnet_t interface, mbuf_t packet, int family);
56
57#endif
58
59/*
60 * Name registered by the ipsec kernel control
61 */
62#define IPSEC_CONTROL_NAME "com.apple.net.ipsec_control"
63
64/*
65 * Socket option names to manage ipsec
66 */
67#define IPSEC_OPT_FLAGS							1
68#define IPSEC_OPT_IFNAME						2
69#define IPSEC_OPT_EXT_IFDATA_STATS				3	/* get|set (type int) */
70#define IPSEC_OPT_INC_IFDATA_STATS_IN			4	/* set to increment stat counters (type struct ipsec_stats_param) */
71#define IPSEC_OPT_INC_IFDATA_STATS_OUT			5	/* set to increment stat counters (type struct ipsec_stats_param) */
72#define IPSEC_OPT_SET_DELEGATE_INTERFACE		6	/* set the delegate interface (char[]) */
73#define IPSEC_OPT_OUTPUT_TRAFFIC_CLASS			7	/* set the traffic class for packets leaving the interface, see sys/socket.h */
74/*
75 * ipsec stats parameter structure
76 */
77struct ipsec_stats_param {
78	u_int64_t       utsp_packets;
79	u_int64_t       utsp_bytes;
80	u_int64_t       utsp_errors;
81};
82
83#endif
84