gems-kernel/source/THIRDPARTY/xnu/bsd/net/if_ipsec.h
2024-06-03 11:29:39 -05:00

106 lines
4.9 KiB
C

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