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	1	/*
	2	* Copyright (c) 2012-2019 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
	39	errno_t ipsec_register_control(void);
	40
	41	/* Helpers */
	42	int ipsec_interface_isvalid(ifnet_t interface);
	43
	44	errno_t ipsec_inject_inbound_packet(ifnet_t interface, mbuf_t packet);
	45
	46	void ipsec_set_pkthdr_for_interface(ifnet_t interface, mbuf_t packet, int family);
	47
	48	void ipsec_set_ipoa_for_interface(ifnet_t interface, struct ip_out_args *ipoa);
	49
	50	struct ip6_out_args;
	51	void ipsec_set_ip6oa_for_interface(ifnet_t interface, struct ip6_out_args *ip6oa);
	52
	53	#endif
	54
	55	/*
	56	* Name registered by the ipsec kernel control
	57	*/
	58	#define IPSEC_CONTROL_NAME "com.apple.net.ipsec_control"
	59
	60	/*
	61	* Socket option names to manage ipsec
	62	*/
	63	#define IPSEC_OPT_FLAGS 1
	64	#define IPSEC_OPT_IFNAME 2
	65	#define IPSEC_OPT_EXT_IFDATA_STATS 3 /* get\|set (type int) */
	66	#define IPSEC_OPT_INC_IFDATA_STATS_IN 4 /* set to increment stat counters (type struct ipsec_stats_param) */
	67	#define IPSEC_OPT_INC_IFDATA_STATS_OUT 5 /* set to increment stat counters (type struct ipsec_stats_param) */
	68	#define IPSEC_OPT_SET_DELEGATE_INTERFACE 6 /* set the delegate interface (char[]) */
	69	#define IPSEC_OPT_OUTPUT_TRAFFIC_CLASS 7 /* set the traffic class for packets leaving the interface, see sys/socket.h */
	70	#define IPSEC_OPT_ENABLE_CHANNEL 8 /* enable a kernel pipe nexus that allows the owner to open a channel to act as a driver,
	71	* Must be set before connecting */
	72	#define IPSEC_OPT_GET_CHANNEL_UUID 9 /* get the uuid of the kernel pipe nexus instance */
	73	#define IPSEC_OPT_ENABLE_FLOWSWITCH 10 /* enable a flowswitch nexus that clients can use */
	74	#define IPSEC_OPT_INPUT_FRAG_SIZE 11 /* set the maximum size of input packets before fragmenting as a uint32_t */
	75
	76	#define IPSEC_OPT_ENABLE_NETIF 12 /* Must be set before connecting */
	77	#define IPSEC_OPT_SLOT_SIZE 13 /* Must be set before connecting */
	78	#define IPSEC_OPT_NETIF_RING_SIZE 14 /* Must be set before connecting */
	79	#define IPSEC_OPT_TX_FSW_RING_SIZE 15 /* Must be set before connecting */
	80	#define IPSEC_OPT_RX_FSW_RING_SIZE 16 /* Must be set before connecting */
	81	#define IPSEC_OPT_CHANNEL_BIND_PID 17 /* Must be set before connecting */
	82	#define IPSEC_OPT_KPIPE_TX_RING_SIZE 18 /* Must be set before connecting */
	83	#define IPSEC_OPT_KPIPE_RX_RING_SIZE 19 /* Must be set before connecting */
	84
	85	/*
	86	* ipsec stats parameter structure
	87	*/
	88	struct ipsec_stats_param {
	89	u_int64_t utsp_packets;
	90	u_int64_t utsp_bytes;
	91	u_int64_t utsp_errors;
	92	};
	93
	94	#endif