94 lines
3.8 KiB
C
94 lines
3.8 KiB
C
/*
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* Copyright (c) 2008-2021 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_UTUN_H_
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#define _NET_IF_UTUN_H_
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#include <sys/types.h>
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#ifdef KERNEL_PRIVATE
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#include <sys/kern_control.h>
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void* utun_alloc(size_t size);
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void utun_free(void *ptr);
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errno_t utun_register_control(void);
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#if SKYWALK
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boolean_t utun_interface_needs_netagent(ifnet_t interface);
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#endif /* SKYWALK */
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#endif
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/*
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* Name registered by the utun kernel control
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*/
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#define UTUN_CONTROL_NAME "com.apple.net.utun_control"
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/*
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* Socket option names to manage utun
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*/
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#define UTUN_OPT_FLAGS 1
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#define UTUN_OPT_IFNAME 2
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#define UTUN_OPT_EXT_IFDATA_STATS 3 /* get|set (type int) */
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#define UTUN_OPT_INC_IFDATA_STATS_IN 4 /* set to increment stat counters (type struct utun_stats_param) */
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#define UTUN_OPT_INC_IFDATA_STATS_OUT 5 /* set to increment stat counters (type struct utun_stats_param) */
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#define UTUN_OPT_SET_DELEGATE_INTERFACE 15 /* set the delegate interface (char[]) */
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#define UTUN_OPT_MAX_PENDING_PACKETS 16 /* the number of packets that can be waiting to be read
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* from the control socket at a time */
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#define UTUN_OPT_ENABLE_CHANNEL 17
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#define UTUN_OPT_GET_CHANNEL_UUID 18
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#define UTUN_OPT_ENABLE_FLOWSWITCH 19
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#define UTUN_OPT_ENABLE_NETIF 20 /* Must be set before connecting */
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#define UTUN_OPT_SLOT_SIZE 21 /* Must be set before connecting */
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#define UTUN_OPT_NETIF_RING_SIZE 22 /* Must be set before connecting */
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#define UTUN_OPT_TX_FSW_RING_SIZE 23 /* Must be set before connecting */
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#define UTUN_OPT_RX_FSW_RING_SIZE 24 /* Must be set before connecting */
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#define UTUN_OPT_KPIPE_TX_RING_SIZE 25 /* Must be set before connecting */
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#define UTUN_OPT_KPIPE_RX_RING_SIZE 26 /* Must be set before connecting */
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#define UTUN_OPT_ATTACH_FLOWSWITCH 27 /* Must be set before connecting */
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/*
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* Flags for by UTUN_OPT_FLAGS
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*/
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#define UTUN_FLAGS_NO_OUTPUT 0x0001
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#define UTUN_FLAGS_NO_INPUT 0x0002
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#define UTUN_FLAGS_ENABLE_PROC_UUID 0x0004
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/*
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* utun stats parameter structure
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*/
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struct utun_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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