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d7ce7006 | 1 | /*\r |
2 | * Copyright (c) 1982, 1986, 1989, 1993\r | |
3 | * The Regents of the University of California. All rights reserved.\r | |
4 | *\r | |
5 | * Redistribution and use in source and binary forms, with or without\r | |
6 | * modification, are permitted provided that the following conditions\r | |
7 | * are met:\r | |
8 | * 1. Redistributions of source code must retain the above copyright\r | |
9 | * notice, this list of conditions and the following disclaimer.\r | |
10 | * 2. Redistributions in binary form must reproduce the above copyright\r | |
11 | * notice, this list of conditions and the following disclaimer in the\r | |
12 | * documentation and/or other materials provided with the distribution.\r | |
13 | * 3. All advertising materials mentioning features or use of this software\r | |
14 | * must display the following acknowledgement:\r | |
15 | * This product includes software developed by the University of\r | |
16 | * California, Berkeley and its contributors.\r | |
17 | * 4. Neither the name of the University nor the names of its contributors\r | |
18 | * may be used to endorse or promote products derived from this software\r | |
19 | * without specific prior written permission.\r | |
20 | *\r | |
21 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND\r | |
22 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE\r | |
23 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE\r | |
24 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE\r | |
25 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL\r | |
26 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS\r | |
27 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)\r | |
28 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT\r | |
29 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY\r | |
30 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF\r | |
31 | * SUCH DAMAGE.\r | |
32 | *\r | |
33 | * @(#)if.h 8.1 (Berkeley) 6/10/93\r | |
34 | * $Id: if.h,v 1.1.1.1 2006/05/30 06:12:41 hhzhou Exp $\r | |
35 | */\r | |
36 | \r | |
37 | #ifndef _NET_IF_H_\r | |
38 | #define _NET_IF_H_\r | |
39 | \r | |
40 | /*\r | |
41 | * <net/if.h> does not depend on <sys/time.h> on most other systems. This\r | |
42 | * helps userland compatability. (struct timeval ifi_lastchange)\r | |
43 | */\r | |
44 | #ifndef KERNEL\r | |
45 | #include <sys/time.h>\r | |
46 | #endif\r | |
47 | \r | |
48 | /*\r | |
49 | * Structure describing information about an interface\r | |
50 | * which may be of interest to management entities.\r | |
51 | */\r | |
52 | struct if_data {\r | |
53 | /* generic interface information */\r | |
54 | u_char ifi_type; /* ethernet, tokenring, etc */\r | |
55 | u_char ifi_physical; /* e.g., AUI, Thinnet, 10base-T, etc */\r | |
56 | u_char ifi_addrlen; /* media address length */\r | |
57 | u_char ifi_hdrlen; /* media header length */\r | |
58 | u_char ifi_recvquota; /* polling quota for receive intrs */\r | |
59 | u_char ifi_xmitquota; /* polling quota for xmit intrs */\r | |
60 | u_long ifi_mtu; /* maximum transmission unit */\r | |
61 | u_long ifi_metric; /* routing metric (external only) */\r | |
62 | u_long ifi_baudrate; /* linespeed */\r | |
63 | /* volatile statistics */\r | |
64 | u_long ifi_ipackets; /* packets received on interface */\r | |
65 | u_long ifi_ierrors; /* input errors on interface */\r | |
66 | u_long ifi_opackets; /* packets sent on interface */\r | |
67 | u_long ifi_oerrors; /* output errors on interface */\r | |
68 | u_long ifi_collisions; /* collisions on csma interfaces */\r | |
69 | u_long ifi_ibytes; /* total number of octets received */\r | |
70 | u_long ifi_obytes; /* total number of octets sent */\r | |
71 | u_long ifi_imcasts; /* packets received via multicast */\r | |
72 | u_long ifi_omcasts; /* packets sent via multicast */\r | |
73 | u_long ifi_iqdrops; /* dropped on input, this interface */\r | |
74 | u_long ifi_noproto; /* destined for unsupported protocol */\r | |
75 | u_long ifi_recvtiming; /* usec spent receiving when timing */\r | |
76 | u_long ifi_xmittiming; /* usec spent xmitting when timing */\r | |
77 | struct timeval ifi_lastchange; /* time of last administrative change */\r | |
78 | };\r | |
79 | \r | |
80 | #define IFF_UP 0x1 /* interface is up */\r | |
81 | #define IFF_BROADCAST 0x2 /* broadcast address valid */\r | |
82 | #define IFF_DEBUG 0x4 /* turn on debugging */\r | |
83 | #define IFF_LOOPBACK 0x8 /* is a loopback net */\r | |
84 | #define IFF_POINTOPOINT 0x10 /* interface is point-to-point link */\r | |
85 | /*#define IFF_NOTRAILERS 0x20 * obsolete: avoid use of trailers */\r | |
86 | #define IFF_RUNNING 0x40 /* resources allocated */\r | |
87 | #define IFF_NOARP 0x80 /* no address resolution protocol */\r | |
88 | #define IFF_PROMISC 0x100 /* receive all packets */\r | |
89 | #define IFF_ALLMULTI 0x200 /* receive all multicast packets */\r | |
90 | #define IFF_OACTIVE 0x400 /* transmission in progress */\r | |
91 | #define IFF_SIMPLEX 0x800 /* can't hear own transmissions */\r | |
92 | #define IFF_LINK0 0x1000 /* per link layer defined bit */\r | |
93 | #define IFF_LINK1 0x2000 /* per link layer defined bit */\r | |
94 | #define IFF_LINK2 0x4000 /* per link layer defined bit */\r | |
95 | #define IFF_ALTPHYS IFF_LINK2 /* use alternate physical connection */\r | |
96 | #define IFF_MULTICAST 0x8000 /* supports multicast */\r | |
97 | \r | |
98 | /* flags set internally only: */\r | |
99 | #define IFF_CANTCHANGE \\r | |
100 | (IFF_BROADCAST|IFF_POINTOPOINT|IFF_RUNNING|IFF_OACTIVE|\\r | |
101 | IFF_SIMPLEX|IFF_MULTICAST|IFF_ALLMULTI)\r | |
102 | \r | |
103 | #define IFQ_MAXLEN 50\r | |
104 | #define IFNET_SLOWHZ 1 /* granularity is 1 second */\r | |
105 | \r | |
106 | /*\r | |
107 | * Message format for use in obtaining information about interfaces\r | |
108 | * from getkerninfo and the routing socket\r | |
109 | */\r | |
110 | struct if_msghdr {\r | |
111 | u_short ifm_msglen; /* to skip over non-understood messages */\r | |
112 | u_char ifm_version; /* future binary compatability */\r | |
113 | u_char ifm_type; /* message type */\r | |
114 | int ifm_addrs; /* like rtm_addrs */\r | |
115 | int ifm_flags; /* value of if_flags */\r | |
116 | u_short ifm_index; /* index for associated ifp */\r | |
117 | struct if_data ifm_data;/* statistics and other data about if */\r | |
118 | };\r | |
119 | \r | |
120 | /*\r | |
121 | * Message format for use in obtaining information about interface addresses\r | |
122 | * from getkerninfo and the routing socket\r | |
123 | */\r | |
124 | struct ifa_msghdr {\r | |
125 | u_short ifam_msglen; /* to skip over non-understood messages */\r | |
126 | u_char ifam_version; /* future binary compatability */\r | |
127 | u_char ifam_type; /* message type */\r | |
128 | int ifam_addrs; /* like rtm_addrs */\r | |
129 | int ifam_flags; /* value of ifa_flags */\r | |
130 | u_short ifam_index; /* index for associated ifp */\r | |
131 | int ifam_metric; /* value of ifa_metric */\r | |
132 | };\r | |
133 | \r | |
134 | /*\r | |
135 | * Message format for use in obtaining information about multicast addresses\r | |
136 | * from the routing socket\r | |
137 | */\r | |
138 | struct ifma_msghdr {\r | |
139 | u_short ifmam_msglen; /* to skip over non-understood messages */\r | |
140 | u_char ifmam_version; /* future binary compatability */\r | |
141 | u_char ifmam_type; /* message type */\r | |
142 | int ifmam_addrs; /* like rtm_addrs */\r | |
143 | int ifmam_flags; /* value of ifa_flags */\r | |
144 | u_short ifmam_index; /* index for associated ifp */\r | |
145 | };\r | |
146 | \r | |
147 | /*\r | |
148 | * Interface request structure used for socket\r | |
149 | * ioctl's. All interface ioctl's must have parameter\r | |
150 | * definitions which begin with ifr_name. The\r | |
151 | * remainder may be interface specific.\r | |
152 | */\r | |
153 | struct ifreq {\r | |
154 | #define IFNAMSIZ 16\r | |
155 | char ifr_name[IFNAMSIZ]; /* if name, e.g. "en0" */\r | |
156 | union {\r | |
157 | struct sockaddr ifru_addr;\r | |
158 | struct sockaddr ifru_dstaddr;\r | |
159 | struct sockaddr ifru_broadaddr;\r | |
160 | short ifru_flags;\r | |
161 | int ifru_metric;\r | |
162 | int ifru_mtu;\r | |
163 | int ifru_phys;\r | |
164 | int ifru_media;\r | |
165 | caddr_t ifru_data;\r | |
166 | } ifr_ifru;\r | |
167 | #define ifr_addr ifr_ifru.ifru_addr /* address */\r | |
168 | #define ifr_dstaddr ifr_ifru.ifru_dstaddr /* other end of p-to-p link */\r | |
169 | #define ifr_broadaddr ifr_ifru.ifru_broadaddr /* broadcast address */\r | |
170 | #define ifr_flags ifr_ifru.ifru_flags /* flags */\r | |
171 | #define ifr_metric ifr_ifru.ifru_metric /* metric */\r | |
172 | #define ifr_mtu ifr_ifru.ifru_mtu /* mtu */\r | |
173 | #define ifr_phys ifr_ifru.ifru_phys /* physical wire */\r | |
174 | #define ifr_media ifr_ifru.ifru_media /* physical media */\r | |
175 | #define ifr_data ifr_ifru.ifru_data /* for use by interface */\r | |
176 | };\r | |
177 | \r | |
178 | #define _SIZEOF_ADDR_IFREQ(ifr) \\r | |
179 | ((ifr).ifr_addr.sa_len > sizeof(struct sockaddr) ? \\r | |
180 | (sizeof(struct ifreq) - sizeof(struct sockaddr) + \\r | |
181 | (ifr).ifr_addr.sa_len) : sizeof(struct ifreq))\r | |
182 | \r | |
183 | struct ifaliasreq {\r | |
184 | char ifra_name[IFNAMSIZ]; /* if name, e.g. "en0" */\r | |
185 | struct sockaddr ifra_addr;\r | |
186 | struct sockaddr ifra_broadaddr;\r | |
187 | struct sockaddr ifra_mask;\r | |
188 | };\r | |
189 | \r | |
190 | struct ifmediareq {\r | |
191 | char ifm_name[IFNAMSIZ]; /* if name, e.g. "en0" */\r | |
192 | int ifm_current; /* current media options */\r | |
193 | int ifm_mask; /* don't care mask */\r | |
194 | int ifm_status; /* media status */\r | |
195 | int ifm_active; /* active options */\r | |
196 | int ifm_count; /* # entries in ifm_ulist array */\r | |
197 | int *ifm_ulist; /* media words */\r | |
198 | };\r | |
199 | /*\r | |
200 | * Structure used in SIOCGIFCONF request.\r | |
201 | * Used to retrieve interface configuration\r | |
202 | * for machine (useful for programs which\r | |
203 | * must know all networks accessible).\r | |
204 | */\r | |
205 | struct ifconf {\r | |
206 | int ifc_len; /* size of associated buffer */\r | |
207 | union {\r | |
208 | caddr_t ifcu_buf;\r | |
209 | struct ifreq *ifcu_req;\r | |
210 | } ifc_ifcu;\r | |
211 | #define ifc_buf ifc_ifcu.ifcu_buf /* buffer address */\r | |
212 | #define ifc_req ifc_ifcu.ifcu_req /* array of structures returned */\r | |
213 | };\r | |
214 | \r | |
215 | #ifdef KERNEL\r | |
216 | #ifdef MALLOC_DECLARE\r | |
217 | MALLOC_DECLARE(M_IFADDR);\r | |
218 | MALLOC_DECLARE(M_IFMADDR);\r | |
219 | #endif\r | |
220 | #endif\r | |
221 | \r | |
222 | /* XXX - this should go away soon */\r | |
223 | #ifdef KERNEL\r | |
224 | #include <net/if_var.h>\r | |
225 | #endif\r | |
226 | \r | |
227 | #endif /* !_NET_IF_H_ */\r |