276 lines
11 KiB
C
276 lines
11 KiB
C
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/*
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* Copyright (c) 2000-2021 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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/*
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* Copyright (c) 1982, 1986, 1989, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* From: @(#)if.h 8.1 (Berkeley) 6/10/93
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* $FreeBSD: src/sys/net/if_var.h,v 1.18.2.7 2001/07/24 19:10:18 brooks Exp $
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*/
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#ifndef _NET_IF_VAR_H_
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#define _NET_IF_VAR_H_
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#ifdef DRIVERKIT
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#include <stddef.h>
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#include <stdint.h>
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#else
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#include <sys/appleapiopts.h>
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#include <stdint.h>
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#include <sys/types.h>
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#include <sys/time.h>
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#include <sys/queue.h> /* get TAILQ macros */
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#ifdef BSD_KERN_PRIVATE
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#include <net/pktsched/pktsched.h>
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#include <sys/eventhandler.h>
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#endif
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#if BSD_KERNEL_PRIVATE
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#if DEVELOPMENT || DEBUG
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#define NET_KT_DEFAULT KT_PRIV_ACCT
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#else
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#define NET_KT_DEFAULT KT_DEFAULT
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#endif
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#endif /* BSD_KERN_PRIVATE */
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#ifdef KERNEL
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#include <net/kpi_interface.h>
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#endif /* KERNEL */
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#ifdef __APPLE__
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#define APPLE_IF_FAM_LOOPBACK 1
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#define APPLE_IF_FAM_ETHERNET 2
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#define APPLE_IF_FAM_SLIP 3
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#define APPLE_IF_FAM_TUN 4
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#define APPLE_IF_FAM_VLAN 5
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#define APPLE_IF_FAM_PPP 6
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#define APPLE_IF_FAM_PVC 7
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#define APPLE_IF_FAM_DISC 8
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#define APPLE_IF_FAM_MDECAP 9
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#define APPLE_IF_FAM_GIF 10
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#define APPLE_IF_FAM_FAITH 11 /* deprecated */
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#define APPLE_IF_FAM_STF 12
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#define APPLE_IF_FAM_FIREWIRE 13
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#define APPLE_IF_FAM_BOND 14
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#define APPLE_IF_FAM_CELLULAR 15
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#define APPLE_IF_FAM_UNUSED_16 16 /* Un-used */
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#define APPLE_IF_FAM_UTUN 17
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#define APPLE_IF_FAM_IPSEC 18
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#endif /* __APPLE__ */
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/*
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* 72 was chosen below because it is the size of a TCP/IP
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* header (40) + the minimum mss (32).
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*/
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#define IF_MINMTU 72
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#define IF_MAXMTU 65535
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/*
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* Structures defining a network interface, providing a packet
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* transport mechanism (ala level 0 of the PUP protocols).
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*
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* Each interface accepts output datagrams of a specified maximum
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* length, and provides higher level routines with input datagrams
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* received from its medium.
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*
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* Output occurs when the routine if_output is called, with three parameters:
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* (*ifp->if_output)(ifp, m, dst, rt)
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* Here m is the mbuf chain to be sent and dst is the destination address.
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* The output routine encapsulates the supplied datagram if necessary,
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* and then transmits it on its medium.
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*
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* On input, each interface unwraps the data received by it, and either
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* places it on the input queue of a internetwork datagram routine
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* and posts the associated software interrupt, or passes the datagram to a raw
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* packet input routine.
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*
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* Routines exist for locating interfaces by their addresses
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* or for locating a interface on a certain network, as well as more general
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* routing and gateway routines maintaining information used to locate
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* interfaces. These routines live in the files if.c and route.c
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*/
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#define IFNAMSIZ 16
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/* This belongs up in socket.h or socketvar.h, depending on how far the
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* event bubbles up.
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*/
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struct net_event_data {
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u_int32_t if_family;
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u_int32_t if_unit;
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char if_name[IFNAMSIZ];
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};
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#if defined(__LP64__)
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#include <sys/_types/_timeval32.h>
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#define IF_DATA_TIMEVAL timeval32
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#else
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#define IF_DATA_TIMEVAL timeval
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#endif
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#pragma pack(4)
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/*
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* Structure describing information about an interface
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* which may be of interest to management entities.
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*/
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struct if_data {
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/* generic interface information */
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u_char ifi_type; /* ethernet, tokenring, etc */
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u_char ifi_typelen; /* Length of frame type id */
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u_char ifi_physical; /* e.g., AUI, Thinnet, 10base-T, etc */
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u_char ifi_addrlen; /* media address length */
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u_char ifi_hdrlen; /* media header length */
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u_char ifi_recvquota; /* polling quota for receive intrs */
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u_char ifi_xmitquota; /* polling quota for xmit intrs */
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u_char ifi_unused1; /* for future use */
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u_int32_t ifi_mtu; /* maximum transmission unit */
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u_int32_t ifi_metric; /* routing metric (external only) */
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u_int32_t ifi_baudrate; /* linespeed */
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/* volatile statistics */
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u_int32_t ifi_ipackets; /* packets received on interface */
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u_int32_t ifi_ierrors; /* input errors on interface */
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u_int32_t ifi_opackets; /* packets sent on interface */
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u_int32_t ifi_oerrors; /* output errors on interface */
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u_int32_t ifi_collisions; /* collisions on csma interfaces */
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u_int32_t ifi_ibytes; /* total number of octets received */
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u_int32_t ifi_obytes; /* total number of octets sent */
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u_int32_t ifi_imcasts; /* packets received via multicast */
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u_int32_t ifi_omcasts; /* packets sent via multicast */
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u_int32_t ifi_iqdrops; /* dropped on input, this interface */
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u_int32_t ifi_noproto; /* destined for unsupported protocol */
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u_int32_t ifi_recvtiming; /* usec spent receiving when timing */
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u_int32_t ifi_xmittiming; /* usec spent xmitting when timing */
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struct IF_DATA_TIMEVAL ifi_lastchange; /* time of last administrative change */
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u_int32_t ifi_unused2; /* used to be the default_proto */
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u_int32_t ifi_hwassist; /* HW offload capabilities */
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u_int32_t ifi_reserved1; /* for future use */
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u_int32_t ifi_reserved2; /* for future use */
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};
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/*
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* Structure describing information about an interface
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* which may be of interest to management entities.
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*/
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struct if_data64 {
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/* generic interface information */
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u_char ifi_type; /* ethernet, tokenring, etc */
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u_char ifi_typelen; /* Length of frame type id */
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u_char ifi_physical; /* e.g., AUI, Thinnet, 10base-T, etc */
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u_char ifi_addrlen; /* media address length */
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u_char ifi_hdrlen; /* media header length */
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u_char ifi_recvquota; /* polling quota for receive intrs */
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u_char ifi_xmitquota; /* polling quota for xmit intrs */
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u_char ifi_unused1; /* for future use */
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u_int32_t ifi_mtu; /* maximum transmission unit */
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u_int32_t ifi_metric; /* routing metric (external only) */
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u_int64_t ifi_baudrate; /* linespeed */
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/* volatile statistics */
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u_int64_t ifi_ipackets; /* packets received on interface */
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u_int64_t ifi_ierrors; /* input errors on interface */
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u_int64_t ifi_opackets; /* packets sent on interface */
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u_int64_t ifi_oerrors; /* output errors on interface */
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u_int64_t ifi_collisions; /* collisions on csma interfaces */
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u_int64_t ifi_ibytes; /* total number of octets received */
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u_int64_t ifi_obytes; /* total number of octets sent */
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u_int64_t ifi_imcasts; /* packets received via multicast */
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u_int64_t ifi_omcasts; /* packets sent via multicast */
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u_int64_t ifi_iqdrops; /* dropped on input, this interface */
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u_int64_t ifi_noproto; /* destined for unsupported protocol */
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u_int32_t ifi_recvtiming; /* usec spent receiving when timing */
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u_int32_t ifi_xmittiming; /* usec spent xmitting when timing */
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struct IF_DATA_TIMEVAL ifi_lastchange; /* time of last administrative change */
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};
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#ifdef PRIVATE
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/* See if_var_private.h for macros to access some of these fields */
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#endif /* PRIVATE */
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#pragma pack()
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#endif /* DRIVERKIT */
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#if defined(DRIVERKIT) || defined(PRIVATE) || defined(DRIVERKIT_PRIVATE)
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#include <net/if_var_status.h>
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#else
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struct ifnet_interface_advisory;
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#endif /* defined(DRIVERKIT) || defined(PRIVATE) || defined(DRIVERKIT_PRIVATE) */
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#ifndef DRIVERKIT
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/*
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* Structure defining a queue for a network interface.
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*/
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struct ifqueue {
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void *ifq_head;
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void *ifq_tail;
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int ifq_len;
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int ifq_maxlen;
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int ifq_drops;
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};
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#ifdef XNU_KERNEL_PRIVATE
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/* for uuid.c */
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__private_extern__ int uuid_get_ethernet(u_int8_t *);
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#endif /* XNU_KERNEL_PRIVATE */
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#endif /* DRIVERKIT */
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#ifdef PRIVATE
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#include <net/if_var_private.h>
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#endif /* PRIVATE */
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#endif /* !_NET_IF_VAR_H_ */
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