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1/*
2 * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
3 *
4 * @APPLE_LICENSE_HEADER_START@
5 *
6 * The contents of this file constitute Original Code as defined in and
7 * are subject to the Apple Public Source License Version 1.1 (the
8 * "License"). You may not use this file except in compliance with the
9 * License. Please obtain a copy of the License at
10 * http://www.apple.com/publicsource and read it before using this file.
11 *
12 * This Original Code and all software distributed under the License are
13 * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
14 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
15 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
17 * License for the specific language governing rights and limitations
18 * under the License.
19 *
20 * @APPLE_LICENSE_HEADER_END@
21 */
22/*
23 * Copyright (c) 1982, 1986, 1989, 1993
24 * The Regents of the University of California. All rights reserved.
25 *
26 * Redistribution and use in source and binary forms, with or without
27 * modification, are permitted provided that the following conditions
28 * are met:
29 * 1. Redistributions of source code must retain the above copyright
30 * notice, this list of conditions and the following disclaimer.
31 * 2. Redistributions in binary form must reproduce the above copyright
32 * notice, this list of conditions and the following disclaimer in the
33 * documentation and/or other materials provided with the distribution.
34 * 3. All advertising materials mentioning features or use of this software
35 * must display the following acknowledgement:
36 * This product includes software developed by the University of
37 * California, Berkeley and its contributors.
38 * 4. Neither the name of the University nor the names of its contributors
39 * may be used to endorse or promote products derived from this software
40 * without specific prior written permission.
41 *
42 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
43 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
44 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
45 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
46 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
47 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
48 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
49 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
50 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
51 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
52 * SUCH DAMAGE.
53 *
54 * @(#)if.h 8.1 (Berkeley) 6/10/93
55 */
56
57#ifndef _NET_IF_H_
58#define _NET_IF_H_
59
60
61/*
62 * Define Data-Link event subclass, and associated
63 * events.
64 */
65
66#define KEV_DL_SUBCLASS 2
67
68#define KEV_DL_SIFFLAGS 1
69#define KEV_DL_SIFMETRICS 2
70#define KEV_DL_SIFMTU 3
71#define KEV_DL_SIFPHYS 4
72#define KEV_DL_SIFMEDIA 5
73#define KEV_DL_SIFGENERIC 6
74#define KEV_DL_ADDMULTI 7
75#define KEV_DL_DELMULTI 8
76#define KEV_DL_IF_ATTACHED 9
77#define KEV_DL_IF_DETACHING 10
78#define KEV_DL_IF_DETACHED 11
79#define KEV_DL_LINK_OFF 12
80#define KEV_DL_LINK_ON 13
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81#define KEV_DL_PROTO_ATTACHED 14
82#define KEV_DL_PROTO_DETACHED 15
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83
84/*
85 * <net/if.h> does not depend on <sys/time.h> on most other systems. This
86 * helps userland compatability. (struct timeval ifi_lastchange)
87 */
88
89#include <sys/time.h>
90#include <net/if_var.h>
91
92
93#define IFF_UP 0x1 /* interface is up */
94#define IFF_BROADCAST 0x2 /* broadcast address valid */
95#define IFF_DEBUG 0x4 /* turn on debugging */
96#define IFF_LOOPBACK 0x8 /* is a loopback net */
97#define IFF_POINTOPOINT 0x10 /* interface is point-to-point link */
98#define IFF_NOTRAILERS 0x20 /* obsolete: avoid use of trailers */
99#define IFF_RUNNING 0x40 /* resources allocated */
100#define IFF_NOARP 0x80 /* no address resolution protocol */
101#define IFF_PROMISC 0x100 /* receive all packets */
102#define IFF_ALLMULTI 0x200 /* receive all multicast packets */
103#define IFF_OACTIVE 0x400 /* transmission in progress */
104#define IFF_SIMPLEX 0x800 /* can't hear own transmissions */
105#define IFF_LINK0 0x1000 /* per link layer defined bit */
106#define IFF_LINK1 0x2000 /* per link layer defined bit */
107#define IFF_LINK2 0x4000 /* per link layer defined bit */
108#define IFF_ALTPHYS IFF_LINK2 /* use alternate physical connection */
109#define IFF_MULTICAST 0x8000 /* supports multicast */
110#define IFF_SPLITTER IFF_LINK2 /* Y splitter in force */
111
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112#ifdef KERNEL_PRIVATE
113/* extended flags definitions: (all bits are reserved for internal/future use) */
114#define IFEF_AUTOCONFIGURING 0x1
1c79356b 115#define IFEF_DVR_REENTRY_OK 0x20 /* When set, driver may be reentered from its own thread */
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116#define IFEF_DETACH_DISABLED 0x80000000
117#endif KERNEL_PRIVATE
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118
119
120/* flags set internally only: */
121#define IFF_CANTCHANGE \
122 (IFF_BROADCAST|IFF_POINTOPOINT|IFF_RUNNING|IFF_OACTIVE|\
123 IFF_SIMPLEX|IFF_MULTICAST|IFF_ALLMULTI)
124
125#define IFQ_MAXLEN 50
126#define IFNET_SLOWHZ 1 /* granularity is 1 second */
127
128/*
129 * Message format for use in obtaining information about interfaces
130 * from getkerninfo and the routing socket
131 */
132struct if_msghdr {
133 u_short ifm_msglen; /* to skip over non-understood messages */
134 u_char ifm_version; /* future binary compatability */
135 u_char ifm_type; /* message type */
136 int ifm_addrs; /* like rtm_addrs */
137 int ifm_flags; /* value of if_flags */
138 u_short ifm_index; /* index for associated ifp */
139 struct if_data ifm_data;/* statistics and other data about if */
140};
141
142/*
143 * Message format for use in obtaining information about interface addresses
144 * from getkerninfo and the routing socket
145 */
146struct ifa_msghdr {
147 u_short ifam_msglen; /* to skip over non-understood messages */
148 u_char ifam_version; /* future binary compatability */
149 u_char ifam_type; /* message type */
150 int ifam_addrs; /* like rtm_addrs */
151 int ifam_flags; /* value of ifa_flags */
152 u_short ifam_index; /* index for associated ifp */
153 int ifam_metric; /* value of ifa_metric */
154};
155
156/*
157 * Message format for use in obtaining information about multicast addresses
158 * from the routing socket
159 */
160struct ifma_msghdr {
161 u_short ifmam_msglen; /* to skip over non-understood messages */
162 u_char ifmam_version; /* future binary compatability */
163 u_char ifmam_type; /* message type */
164 int ifmam_addrs; /* like rtm_addrs */
165 int ifmam_flags; /* value of ifa_flags */
166 u_short ifmam_index; /* index for associated ifp */
167};
168
169/*
170 * Interface request structure used for socket
171 * ioctl's. All interface ioctl's must have parameter
172 * definitions which begin with ifr_name. The
173 * remainder may be interface specific.
174 */
175#define IF_NAMESIZE IFNAMSIZ
176struct ifreq {
177#define IFNAMSIZ 16
178 char ifr_name[IFNAMSIZ]; /* if name, e.g. "en0" */
179 union {
180 struct sockaddr ifru_addr;
181 struct sockaddr ifru_dstaddr;
182 struct sockaddr ifru_broadaddr;
183 short ifru_flags;
184 int ifru_metric;
185 int ifru_mtu;
186 int ifru_phys;
187 int ifru_media;
188 caddr_t ifru_data;
189 } ifr_ifru;
190#define ifr_addr ifr_ifru.ifru_addr /* address */
191#define ifr_dstaddr ifr_ifru.ifru_dstaddr /* other end of p-to-p link */
192#define ifr_broadaddr ifr_ifru.ifru_broadaddr /* broadcast address */
193#define ifr_flags ifr_ifru.ifru_flags /* flags */
194#define ifr_metric ifr_ifru.ifru_metric /* metric */
195#define ifr_mtu ifr_ifru.ifru_mtu /* mtu */
196#define ifr_phys ifr_ifru.ifru_phys /* physical wire */
197#define ifr_media ifr_ifru.ifru_media /* physical media */
198#define ifr_data ifr_ifru.ifru_data /* for use by interface */
199};
200
201#define _SIZEOF_ADDR_IFREQ(ifr) \
202 ((ifr).ifr_addr.sa_len > sizeof(struct sockaddr) ? \
203 (sizeof(struct ifreq) - sizeof(struct sockaddr) + \
204 (ifr).ifr_addr.sa_len) : sizeof(struct ifreq))
205
206struct ifaliasreq {
207 char ifra_name[IFNAMSIZ]; /* if name, e.g. "en0" */
208 struct sockaddr ifra_addr;
209 struct sockaddr ifra_broadaddr;
210 struct sockaddr ifra_mask;
211};
212
213struct rslvmulti_req {
214 struct sockaddr *sa;
215 struct sockaddr **llsa;
216};
217
218struct ifmediareq {
219 char ifm_name[IFNAMSIZ]; /* if name, e.g. "en0" */
220 int ifm_current; /* current media options */
221 int ifm_mask; /* don't care mask */
222 int ifm_status; /* media status */
223 int ifm_active; /* active options */
224 int ifm_count; /* # entries in ifm_ulist array */
225 int *ifm_ulist; /* media words */
226};
227/*
228 * Structure used in SIOCGIFCONF request.
229 * Used to retrieve interface configuration
230 * for machine (useful for programs which
231 * must know all networks accessible).
232 */
233struct ifconf {
234 int ifc_len; /* size of associated buffer */
235 union {
236 caddr_t ifcu_buf;
237 struct ifreq *ifcu_req;
238 } ifc_ifcu;
239#define ifc_buf ifc_ifcu.ifcu_buf /* buffer address */
240#define ifc_req ifc_ifcu.ifcu_req /* array of structures returned */
241};
242
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243/*
244 * DLIL KEV_DL_PROTO_ATTACHED/DETACHED structure
245 */
246struct kev_dl_proto_data {
247 struct net_event_data link_data;
248 u_long proto_family;
249 u_long proto_remaining_count;
250};
251
252
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253/*
254 * Structure for SIOC[AGD]LIFADDR
255 */
256struct if_laddrreq {
257 char iflr_name[IFNAMSIZ];
258 unsigned int flags;
259#define IFLR_PREFIX 0x8000 /* in: prefix given out: kernel fills id */
260 unsigned int prefixlen; /* in/out */
261 struct sockaddr_storage addr; /* in/out */
262 struct sockaddr_storage dstaddr; /* out */
263};
264
265
266#ifdef KERNEL
267#ifdef MALLOC_DECLARE
268MALLOC_DECLARE(M_IFADDR);
269MALLOC_DECLARE(M_IFMADDR);
270#endif
271#endif
272
273#ifndef KERNEL
274struct if_nameindex {
275 unsigned int if_index; /* 1, 2, ... */
276 char *if_name; /* null terminated name: "le0", ... */
277};
278
279__BEGIN_DECLS
280unsigned int if_nametoindex __P((const char *));
281char *if_indextoname __P((unsigned int, char *));
282struct if_nameindex *if_nameindex __P((void));
283void if_freenameindex __P((struct if_nameindex *));
284__END_DECLS
285#endif
286
287/* XXX - this should go away soon */
288#ifdef KERNEL
289#include <net/if_var.h>
290#endif
291
292#endif /* !_NET_IF_H_ */