505 lines
19 KiB
C
505 lines
19 KiB
C
/*
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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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* @(#)if.h 8.1 (Berkeley) 6/10/93
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*/
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#ifndef _NET_IF_H_
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#define _NET_IF_H_
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#define IF_NAMESIZE 16
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#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)
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#ifdef DRIVERKIT
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#include <stddef.h>
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#else
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#include <sys/cdefs.h>
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#include <sys/appleapiopts.h>
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#ifdef __APPLE__
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#include <net/if_var.h>
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#include <net/net_kev.h>
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#include <sys/types.h>
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#include <sys/socket.h>
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#endif
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#endif /* DRIVERKIT */
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#ifndef IFNAMSIZ
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#define IFNAMSIZ IF_NAMESIZE
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#endif
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#ifndef DRIVERKIT
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struct if_clonereq {
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int ifcr_total; /* total cloners (out) */
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int ifcr_count; /* room for this many in user buffer */
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char *ifcr_buffer; /* buffer for cloner names */
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};
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#define IFF_UP 0x1 /* interface is up */
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#define IFF_BROADCAST 0x2 /* broadcast address valid */
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#define IFF_DEBUG 0x4 /* turn on debugging */
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#define IFF_LOOPBACK 0x8 /* is a loopback net */
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#define IFF_POINTOPOINT 0x10 /* interface is point-to-point link */
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#define IFF_NOTRAILERS 0x20 /* obsolete: avoid use of trailers */
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#define IFF_RUNNING 0x40 /* resources allocated */
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#define IFF_NOARP 0x80 /* no address resolution protocol */
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#define IFF_PROMISC 0x100 /* receive all packets */
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#define IFF_ALLMULTI 0x200 /* receive all multicast packets */
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#define IFF_OACTIVE 0x400 /* transmission in progress */
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#define IFF_SIMPLEX 0x800 /* can't hear own transmissions */
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#define IFF_LINK0 0x1000 /* per link layer defined bit */
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#define IFF_LINK1 0x2000 /* per link layer defined bit */
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#define IFF_LINK2 0x4000 /* per link layer defined bit */
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#define IFF_ALTPHYS IFF_LINK2 /* use alternate physical connection */
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#define IFF_MULTICAST 0x8000 /* supports multicast */
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#ifdef PRIVATE
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/* See if_private.h for extended flags */
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#endif /* PRIVATE */
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/*
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* Capabilities that interfaces can advertise.
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*
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* struct ifnet.if_capabilities
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* contains the optional features & capabilities a particular interface
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* supports (not only the driver but also the detected hw revision).
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* Capabilities are defined by IFCAP_* below.
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* struct ifnet.if_capenable
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* contains the enabled (either by default or through ifconfig) optional
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* features & capabilities on this interface.
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* Capabilities are defined by IFCAP_* below.
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* struct if_data.ifi_hwassist in IFNET_* form, defined in net/kpi_interface.h,
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* contains the enabled optional features & capabilites that can be used
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* individually per packet and are specified in the mbuf pkthdr.csum_flags
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* field. IFCAP_* and IFNET_* do not match one to one and IFNET_* may be
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* more detailed or differentiated than IFCAP_*.
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* IFNET_* hwassist flags have corresponding CSUM_* in sys/mbuf.h
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*/
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#define IFCAP_RXCSUM 0x00001 /* can offload checksum on RX */
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#define IFCAP_TXCSUM 0x00002 /* can offload checksum on TX */
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#define IFCAP_VLAN_MTU 0x00004 /* VLAN-compatible MTU */
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#define IFCAP_VLAN_HWTAGGING 0x00008 /* hardware VLAN tag support */
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#define IFCAP_JUMBO_MTU 0x00010 /* 9000 byte MTU supported */
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#define IFCAP_TSO4 0x00020 /* can do TCP Segmentation Offload */
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#define IFCAP_TSO6 0x00040 /* can do TCP6 Segmentation Offload */
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#define IFCAP_LRO 0x00080 /* can do Large Receive Offload */
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#define IFCAP_AV 0x00100 /* can do 802.1 AV Bridging */
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#define IFCAP_TXSTATUS 0x00200 /* can return linklevel xmit status */
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#define IFCAP_SKYWALK 0x00400 /* Skywalk mode supported/enabled */
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#define IFCAP_HW_TIMESTAMP 0x00800 /* Time stamping in hardware */
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#define IFCAP_SW_TIMESTAMP 0x01000 /* Time stamping in software */
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#define IFCAP_CSUM_PARTIAL 0x02000 /* can offload partial checksum */
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#define IFCAP_CSUM_ZERO_INVERT 0x04000 /* can invert 0 to -0 (0xffff) */
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#define IFCAP_HWCSUM (IFCAP_RXCSUM | IFCAP_TXCSUM)
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#define IFCAP_TSO (IFCAP_TSO4 | IFCAP_TSO6)
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#define IFCAP_VALID (IFCAP_HWCSUM | IFCAP_TSO | IFCAP_LRO | IFCAP_VLAN_MTU | \
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IFCAP_VLAN_HWTAGGING | IFCAP_JUMBO_MTU | IFCAP_AV | IFCAP_TXSTATUS | \
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IFCAP_SKYWALK | IFCAP_SW_TIMESTAMP | IFCAP_HW_TIMESTAMP | \
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IFCAP_CSUM_PARTIAL | IFCAP_CSUM_ZERO_INVERT)
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#define IFQ_MAXLEN 128
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#define IFNET_SLOWHZ 1 /* granularity is 1 second */
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#define IFQ_DEF_C_TARGET_DELAY (10ULL * 1000 * 1000) /* 10 ms */
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#define IFQ_DEF_C_UPDATE_INTERVAL (100ULL * 1000 * 1000) /* 100 ms */
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#define IFQ_DEF_L4S_TARGET_DELAY (2ULL * 1000 * 1000) /* 2 ms */
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#define IFQ_DEF_L4S_WIRELESS_TARGET_DELAY (15ULL * 1000 * 1000) /* 15 ms */
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#define IFQ_DEF_L4S_UPDATE_INTERVAL (100ULL * 1000 * 1000) /* 100 ms */
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#define IFQ_LL_C_TARGET_DELAY (10ULL * 1000 * 1000) /* 10 ms */
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#define IFQ_LL_C_UPDATE_INTERVAL (100ULL * 1000 * 1000) /* 100 ms */
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#define IFQ_LL_L4S_TARGET_DELAY (2ULL * 1000 * 1000) /* 2 ms */
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#define IFQ_LL_L4S_WIRELESS_TARGET_DELAY (15ULL * 1000 * 1000) /* 15 ms */
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#define IFQ_LL_L4S_UPDATE_INTERVAL (100ULL * 1000 * 1000) /* 100 ms */
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/*
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* Message format for use in obtaining information about interfaces
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* from sysctl and the routing socket
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*/
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struct if_msghdr {
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unsigned short ifm_msglen; /* to skip non-understood messages */
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unsigned char ifm_version; /* future binary compatability */
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unsigned char ifm_type; /* message type */
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int ifm_addrs; /* like rtm_addrs */
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int ifm_flags; /* value of if_flags */
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unsigned short ifm_index; /* index for associated ifp */
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struct if_data ifm_data; /* statistics and other data about if */
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};
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/*
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* Message format for use in obtaining information about interface addresses
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* from sysctl and the routing socket
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*/
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struct ifa_msghdr {
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unsigned short ifam_msglen; /* to skip non-understood messages */
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unsigned char ifam_version; /* future binary compatability */
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unsigned char ifam_type; /* message type */
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int ifam_addrs; /* like rtm_addrs */
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int ifam_flags; /* value of ifa_flags */
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unsigned short ifam_index; /* index for associated ifp */
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int ifam_metric; /* value of ifa_metric */
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};
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/*
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* Message format for use in obtaining information about multicast addresses
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* from the routing socket
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*/
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struct ifma_msghdr {
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unsigned short ifmam_msglen; /* to skip non-understood messages */
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unsigned char ifmam_version; /* future binary compatability */
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unsigned char ifmam_type; /* message type */
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int ifmam_addrs; /* like rtm_addrs */
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int ifmam_flags; /* value of ifa_flags */
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unsigned short ifmam_index; /* index for associated ifp */
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};
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/*
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* Message format for use in obtaining information about interfaces
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* from sysctl
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*/
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struct if_msghdr2 {
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u_short ifm_msglen; /* to skip over non-understood messages */
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u_char ifm_version; /* future binary compatability */
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u_char ifm_type; /* message type */
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int ifm_addrs; /* like rtm_addrs */
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int ifm_flags; /* value of if_flags */
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u_short ifm_index; /* index for associated ifp */
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int ifm_snd_len; /* instantaneous length of send queue */
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int ifm_snd_maxlen; /* maximum length of send queue */
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int ifm_snd_drops; /* number of drops in send queue */
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int ifm_timer; /* time until if_watchdog called */
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struct if_data64 ifm_data; /* statistics and other data */
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};
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/*
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* Message format for use in obtaining information about multicast addresses
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* from sysctl
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*/
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struct ifma_msghdr2 {
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u_short ifmam_msglen; /* to skip over non-understood messages */
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u_char ifmam_version; /* future binary compatability */
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u_char ifmam_type; /* message type */
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int ifmam_addrs; /* like rtm_addrs */
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int ifmam_flags; /* value of ifa_flags */
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u_short ifmam_index; /* index for associated ifp */
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int32_t ifmam_refcount;
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};
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/*
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* ifdevmtu: interface device mtu
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* Used with SIOCGIFDEVMTU to get the current mtu in use by the device,
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* as well as the minimum and maximum mtu allowed by the device.
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*/
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struct ifdevmtu {
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int ifdm_current;
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int ifdm_min;
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int ifdm_max;
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};
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#pragma pack(4)
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/*
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* ifkpi: interface kpi ioctl
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* Used with SIOCSIFKPI and SIOCGIFKPI.
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*
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* ifk_module_id - From in the kernel, a value from kev_vendor_code_find. From
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* user space, a value from SIOCGKEVVENDOR ioctl on a kernel event socket.
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* ifk_type - The type. Types are specific to each module id.
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* ifk_data - The data. ifk_ptr may be a 64bit pointer for 64 bit processes.
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*
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* Copying data between user space and kernel space is done using copyin
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* and copyout. A process may be running in 64bit mode. In such a case,
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* the pointer will be a 64bit pointer, not a 32bit pointer. The following
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* sample is a safe way to copy the data in to the kernel from either a
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* 32bit or 64bit process:
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*
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* user_addr_t tmp_ptr;
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* if (IS_64BIT_PROCESS(current_proc())) {
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* tmp_ptr = CAST_USER_ADDR_T(ifkpi.ifk_data.ifk_ptr64);
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* }
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* else {
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* tmp_ptr = CAST_USER_ADDR_T(ifkpi.ifk_data.ifk_ptr);
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* }
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* error = copyin(tmp_ptr, allocated_dst_buffer, size of allocated_dst_buffer);
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*/
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struct ifkpi {
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unsigned int ifk_module_id;
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unsigned int ifk_type;
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union {
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void *ifk_ptr;
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int ifk_value;
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#ifdef KERNEL
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u_int64_t ifk_ptr64;
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#endif /* KERNEL */
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} ifk_data;
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};
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/* Wake capabilities of a interface */
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#define IF_WAKE_ON_MAGIC_PACKET 0x01
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#pragma pack()
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#ifdef PRIVATE
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/*
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* IFREQ_OPAQUE means that ifreq is an opaque structure
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* in the public header, and redeclared in if_private.h.
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*/
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#define IFREQ_OPAQUE
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#endif /* PRIVATE */
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/*
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* Interface request structure used for socket
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* ioctl's. All interface ioctl's must have parameter
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* definitions which begin with ifr_name. The
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* remainder may be interface specific.
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*/
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#ifdef IFREQ_OPAQUE
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struct ifreq;
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#else
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#ifdef PRIVATE
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/*
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* This is the public version of the ifreq structure, the
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* private version lives in if_private.h. If you make any
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* changes here, you must also make them in if_private.h!
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*/
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#endif
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struct ifreq {
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char ifr_name[IFNAMSIZ]; /* if name, e.g. "en0" */
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union {
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struct sockaddr ifru_addr;
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struct sockaddr ifru_dstaddr;
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struct sockaddr ifru_broadaddr;
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short ifru_flags;
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int ifru_metric;
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int ifru_mtu;
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int ifru_phys;
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int ifru_media;
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int ifru_intval;
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caddr_t ifru_data;
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struct ifdevmtu ifru_devmtu;
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struct ifkpi ifru_kpi;
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u_int32_t ifru_wake_flags;
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u_int32_t ifru_route_refcnt;
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int ifru_cap[2];
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u_int32_t ifru_functional_type;
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#define IFRTYPE_FUNCTIONAL_UNKNOWN 0
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#define IFRTYPE_FUNCTIONAL_LOOPBACK 1
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#define IFRTYPE_FUNCTIONAL_WIRED 2
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#define IFRTYPE_FUNCTIONAL_WIFI_INFRA 3
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#define IFRTYPE_FUNCTIONAL_WIFI_AWDL 4
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#define IFRTYPE_FUNCTIONAL_CELLULAR 5
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#define IFRTYPE_FUNCTIONAL_INTCOPROC 6
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#define IFRTYPE_FUNCTIONAL_COMPANIONLINK 7
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#define IFRTYPE_FUNCTIONAL_MANAGEMENT 8
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#define IFRTYPE_FUNCTIONAL_LAST 8
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u_int8_t ifru_is_directlink;
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} ifr_ifru;
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#define ifr_addr ifr_ifru.ifru_addr /* address */
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#define ifr_dstaddr ifr_ifru.ifru_dstaddr /* other end of p-to-p link */
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#define ifr_broadaddr ifr_ifru.ifru_broadaddr /* broadcast address */
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#ifdef __APPLE__
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#define ifr_flags ifr_ifru.ifru_flags /* flags */
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#else
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#define ifr_flags ifr_ifru.ifru_flags[0] /* flags */
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#define ifr_prevflags ifr_ifru.ifru_flags[1] /* flags */
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#endif /* __APPLE__ */
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#define ifr_metric ifr_ifru.ifru_metric /* metric */
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#define ifr_mtu ifr_ifru.ifru_mtu /* mtu */
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#define ifr_phys ifr_ifru.ifru_phys /* physical wire */
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#define ifr_media ifr_ifru.ifru_media /* physical media */
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#define ifr_data ifr_ifru.ifru_data /* for use by interface */
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#define ifr_devmtu ifr_ifru.ifru_devmtu
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#define ifr_intval ifr_ifru.ifru_intval /* integer value */
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#define ifr_kpi ifr_ifru.ifru_kpi
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#define ifr_wake_flags ifr_ifru.ifru_wake_flags /* wake capabilities */
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#define ifr_route_refcnt ifr_ifru.ifru_route_refcnt /* route references count */
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#define ifr_reqcap ifr_ifru.ifru_cap[0] /* requested capabilities */
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#define ifr_curcap ifr_ifru.ifru_cap[1] /* current capabilities */
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};
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#define _SIZEOF_ADDR_IFREQ(ifr) \
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((ifr).ifr_addr.sa_len > sizeof (struct sockaddr) ? \
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(sizeof (struct ifreq) - sizeof (struct sockaddr) + \
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(ifr).ifr_addr.sa_len) : sizeof (struct ifreq))
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#endif /* IFREQ_OPAQUE */
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struct ifaliasreq {
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char ifra_name[IFNAMSIZ]; /* if name, e.g. "en0" */
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#if __has_ptrcheck
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struct sockaddr_in ifra_addr;
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struct sockaddr_in ifra_broadaddr;
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struct sockaddr_in ifra_mask;
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#else
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struct sockaddr ifra_addr;
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struct sockaddr ifra_broadaddr;
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struct sockaddr ifra_mask;
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#endif /* __has_ptrcheck */
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};
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struct rslvmulti_req {
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struct sockaddr *sa;
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struct sockaddr **llsa;
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};
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#if !defined(KERNEL) || defined(KERNEL_PRIVATE)
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#pragma pack(4)
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struct ifmediareq {
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char ifm_name[IFNAMSIZ]; /* if name, e.g. "en0" */
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int ifm_current; /* current media options */
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int ifm_mask; /* don't care mask */
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int ifm_status; /* media status */
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int ifm_active; /* active options */
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int ifm_count; /* # entries in ifm_ulist array */
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int *ifm_ulist; /* media words */
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};
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#pragma pack()
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#endif /* !KERNEL || KERNEL_PRIVATE */
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#endif /* DRIVERKIT */
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#pragma pack(4)
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struct ifdrv {
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char ifd_name[IFNAMSIZ]; /* if name, e.g. "en0" */
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unsigned long ifd_cmd;
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size_t ifd_len; /* length of ifd_data buffer */
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void *ifd_data;
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};
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#pragma pack()
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#ifndef DRIVERKIT
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/*
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* Structure used to retrieve aux status data from interfaces.
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* Kernel suppliers to this interface should respect the formatting
|
|
* needed by ifconfig(8): each line starts with a TAB and ends with
|
|
* a newline.
|
|
*/
|
|
|
|
#define IFSTATMAX 800 /* 10 lines of text */
|
|
struct ifstat {
|
|
char ifs_name[IFNAMSIZ]; /* if name, e.g. "en0" */
|
|
char ascii[IFSTATMAX + 1];
|
|
};
|
|
|
|
#if !defined(KERNEL) || defined(KERNEL_PRIVATE)
|
|
/*
|
|
* Structure used in SIOCGIFCONF request.
|
|
* Used to retrieve interface configuration
|
|
* for machine (useful for programs which
|
|
* must know all networks accessible).
|
|
*/
|
|
#pragma pack(4)
|
|
struct ifconf {
|
|
int ifc_len; /* size of associated buffer */
|
|
union {
|
|
caddr_t ifcu_buf;
|
|
struct ifreq *ifcu_req;
|
|
} ifc_ifcu;
|
|
};
|
|
#pragma pack()
|
|
#define ifc_buf ifc_ifcu.ifcu_buf /* buffer address */
|
|
#define ifc_req ifc_ifcu.ifcu_req /* array of structures returned */
|
|
#endif /* !KERNEL || KERNEL_PRIVATE */
|
|
|
|
/*
|
|
* DLIL KEV_DL_PROTO_ATTACHED/DETACHED structure
|
|
*/
|
|
struct kev_dl_proto_data {
|
|
struct net_event_data link_data;
|
|
u_int32_t proto_family;
|
|
u_int32_t proto_remaining_count;
|
|
};
|
|
|
|
#ifdef KERNEL
|
|
#ifdef MALLOC_DECLARE
|
|
MALLOC_DECLARE(M_IFADDR);
|
|
#endif
|
|
#endif
|
|
#endif /* DRIVERKIT */
|
|
#endif /* (_POSIX_C_SOURCE && !_DARWIN_C_SOURCE) */
|
|
|
|
#ifndef DRIVERKIT
|
|
#ifndef KERNEL
|
|
struct if_nameindex {
|
|
unsigned int if_index; /* 1, 2, ... */
|
|
char *if_name; /* null terminated name: "le0", ... */
|
|
};
|
|
|
|
__BEGIN_DECLS
|
|
unsigned int if_nametoindex(const char *);
|
|
char *if_indextoname(unsigned int, char *);
|
|
struct if_nameindex *if_nameindex(void);
|
|
void if_freenameindex(struct if_nameindex *);
|
|
__END_DECLS
|
|
#endif /* KERNEL */
|
|
#endif /* DRIVERKIT */
|
|
|
|
#ifdef KERNEL
|
|
#include <net/kpi_interface.h>
|
|
#endif
|
|
|
|
#ifdef PRIVATE
|
|
#include <net/if_private.h>
|
|
#endif /* PRIVATE */
|
|
|
|
#endif /* !_NET_IF_H_ */
|