107 lines
4.9 KiB
C
107 lines
4.9 KiB
C
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/*
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* Copyright (c) 2012-2021 Apple Inc. All rights reserved.
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*
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* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
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*
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* This file contains Original Code and/or Modifications of Original Code
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* as defined in and that are subject to the Apple Public Source License
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* Version 2.0 (the 'License'). You may not use this file except in
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* compliance with the License. The rights granted to you under the License
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* may not be used to create, or enable the creation or redistribution of,
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* unlawful or unlicensed copies of an Apple operating system, or to
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* circumvent, violate, or enable the circumvention or violation of, any
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* terms of an Apple operating system software license agreement.
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*
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* Please obtain a copy of the License at
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* http://www.opensource.apple.com/apsl/ and read it before using this file.
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*
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* The Original Code and all software distributed under the License are
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* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
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* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
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* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
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* Please see the License for the specific language governing rights and
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* limitations under the License.
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*
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* @APPLE_OSREFERENCE_LICENSE_HEADER_END@
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*/
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#ifndef _NET_IF_IPSEC_H_
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#define _NET_IF_IPSEC_H_
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#ifdef BSD_KERNEL_PRIVATE
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#include <sys/kern_control.h>
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#include <netinet/ip_var.h>
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errno_t ipsec_register_control(void);
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/* Helpers */
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int ipsec_interface_isvalid(ifnet_t interface);
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#if SKYWALK
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boolean_t ipsec_interface_needs_netagent(ifnet_t interface);
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#endif /* SKYWALK */
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errno_t ipsec_inject_inbound_packet(ifnet_t interface, mbuf_t packet);
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void ipsec_set_pkthdr_for_interface(ifnet_t interface, mbuf_t packet, int family,
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uint32_t flowid);
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void ipsec_set_ipoa_for_interface(ifnet_t interface, struct ip_out_args *ipoa);
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struct ip6_out_args;
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void ipsec_set_ip6oa_for_interface(ifnet_t interface, struct ip6_out_args *ip6oa);
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#endif
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/*
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* Name registered by the ipsec kernel control
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*/
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#define IPSEC_CONTROL_NAME "com.apple.net.ipsec_control"
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/*
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* Socket option names to manage ipsec
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*/
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#define IPSEC_OPT_FLAGS 1
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#define IPSEC_OPT_IFNAME 2
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#define IPSEC_OPT_EXT_IFDATA_STATS 3 /* get|set (type int) */
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#define IPSEC_OPT_INC_IFDATA_STATS_IN 4 /* set to increment stat counters (type struct ipsec_stats_param) */
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#define IPSEC_OPT_INC_IFDATA_STATS_OUT 5 /* set to increment stat counters (type struct ipsec_stats_param) */
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#define IPSEC_OPT_SET_DELEGATE_INTERFACE 6 /* set the delegate interface (char[]) */
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#define IPSEC_OPT_OUTPUT_TRAFFIC_CLASS 7 /* set the traffic class for packets leaving the interface, see sys/socket.h */
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#define IPSEC_OPT_ENABLE_CHANNEL 8 /* enable a kernel pipe nexus that allows the owner to open a channel to act as a driver,
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* Must be set before connecting */
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#define IPSEC_OPT_GET_CHANNEL_UUID 9 /* get the uuid of the kernel pipe nexus instance */
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#define IPSEC_OPT_ENABLE_FLOWSWITCH 10 /* enable a flowswitch nexus that clients can use */
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#define IPSEC_OPT_INPUT_FRAG_SIZE 11 /* set the maximum size of input packets before fragmenting as a uint32_t */
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#define IPSEC_OPT_ENABLE_NETIF 12 /* Must be set before connecting */
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#define IPSEC_OPT_SLOT_SIZE 13 /* Must be set before connecting */
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#define IPSEC_OPT_NETIF_RING_SIZE 14 /* Must be set before connecting */
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#define IPSEC_OPT_TX_FSW_RING_SIZE 15 /* Must be set before connecting */
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#define IPSEC_OPT_RX_FSW_RING_SIZE 16 /* Must be set before connecting */
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#define IPSEC_OPT_CHANNEL_BIND_PID 17 /* Must be set before connecting */
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#define IPSEC_OPT_KPIPE_TX_RING_SIZE 18 /* Must be set before connecting */
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#define IPSEC_OPT_KPIPE_RX_RING_SIZE 19 /* Must be set before connecting */
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#define IPSEC_OPT_CHANNEL_BIND_UUID 20 /* Must be set before connecting */
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#define IPSEC_OPT_OUTPUT_DSCP_MAPPING 21 /* Must be set before connecting */
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typedef enum {
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IPSEC_DSCP_MAPPING_COPY = 0, /* Copy DSCP bits from inner IP header to outer IP header */
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IPSEC_DSCP_MAPPING_LEGACY = 1, /* Copies bits from the outer IP header that are at TOS offset of the inner IP header, into the DSCP of the outer IP header */
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} ipsec_dscp_mapping_t;
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/*
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* ipsec stats parameter structure
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*/
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struct ipsec_stats_param {
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u_int64_t utsp_packets;
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u_int64_t utsp_bytes;
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u_int64_t utsp_errors;
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};
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#endif
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