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1 | /* |
2 | * INET An implementation of the TCP/IP protocol suite for the LINUX | |
3 | * operating system. INET is implemented using the BSD Socket | |
4 | * interface as the means of communication with the user level. | |
5 | * | |
6 | * Global definitions for the INET interface module. | |
7 | * | |
8 | * Version: @(#)if.h 1.0.2 04/18/93 | |
9 | * | |
10 | * Authors: Original taken from Berkeley UNIX 4.3, (c) UCB 1982-1988 | |
02c30a84 | 11 | * Ross Biro |
1da177e4 LT |
12 | * Fred N. van Kempen, <waltje@uWalt.NL.Mugnet.ORG> |
13 | * | |
14 | * This program is free software; you can redistribute it and/or | |
15 | * modify it under the terms of the GNU General Public License | |
16 | * as published by the Free Software Foundation; either version | |
17 | * 2 of the License, or (at your option) any later version. | |
18 | */ | |
19 | #ifndef _LINUX_IF_H | |
20 | #define _LINUX_IF_H | |
21 | ||
22 | #include <linux/types.h> /* for "__kernel_caddr_t" et al */ | |
23 | #include <linux/socket.h> /* for "struct sockaddr" et al */ | |
24 | #include <linux/compiler.h> /* for "__user" et al */ | |
25 | ||
26 | #define IFNAMSIZ 16 | |
27 | #include <linux/hdlc/ioctl.h> | |
28 | ||
29 | /* Standard interface flags (netdevice->flags). */ | |
30 | #define IFF_UP 0x1 /* interface is up */ | |
31 | #define IFF_BROADCAST 0x2 /* broadcast address valid */ | |
32 | #define IFF_DEBUG 0x4 /* turn on debugging */ | |
33 | #define IFF_LOOPBACK 0x8 /* is a loopback net */ | |
34 | #define IFF_POINTOPOINT 0x10 /* interface is has p-p link */ | |
35 | #define IFF_NOTRAILERS 0x20 /* avoid use of trailers */ | |
7d17c1d6 | 36 | #define IFF_RUNNING 0x40 /* interface running and carrier ok */ |
1da177e4 LT |
37 | #define IFF_NOARP 0x80 /* no ARP protocol */ |
38 | #define IFF_PROMISC 0x100 /* receive all packets */ | |
39 | #define IFF_ALLMULTI 0x200 /* receive all multicast packets*/ | |
40 | ||
41 | #define IFF_MASTER 0x400 /* master of a load balancer */ | |
42 | #define IFF_SLAVE 0x800 /* slave of a load balancer */ | |
43 | ||
44 | #define IFF_MULTICAST 0x1000 /* Supports multicast */ | |
45 | ||
46 | #define IFF_VOLATILE (IFF_LOOPBACK|IFF_POINTOPOINT|IFF_BROADCAST|IFF_MASTER|IFF_SLAVE|IFF_RUNNING) | |
47 | ||
48 | #define IFF_PORTSEL 0x2000 /* can set media type */ | |
49 | #define IFF_AUTOMEDIA 0x4000 /* auto media select active */ | |
50 | #define IFF_DYNAMIC 0x8000 /* dialup device with changing addresses*/ | |
51 | ||
52 | /* Private (from user) interface flags (netdevice->priv_flags). */ | |
53 | #define IFF_802_1Q_VLAN 0x1 /* 802.1Q VLAN device. */ | |
54 | #define IFF_EBRIDGE 0x2 /* Ethernet bridging device. */ | |
55 | ||
56 | #define IF_GET_IFACE 0x0001 /* for querying only */ | |
57 | #define IF_GET_PROTO 0x0002 | |
58 | ||
59 | /* For definitions see hdlc.h */ | |
60 | #define IF_IFACE_V35 0x1000 /* V.35 serial interface */ | |
61 | #define IF_IFACE_V24 0x1001 /* V.24 serial interface */ | |
62 | #define IF_IFACE_X21 0x1002 /* X.21 serial interface */ | |
63 | #define IF_IFACE_T1 0x1003 /* T1 telco serial interface */ | |
64 | #define IF_IFACE_E1 0x1004 /* E1 telco serial interface */ | |
65 | #define IF_IFACE_SYNC_SERIAL 0x1005 /* can't be set by software */ | |
66 | #define IF_IFACE_X21D 0x1006 /* X.21 Dual Clocking (FarSite) */ | |
67 | ||
68 | /* For definitions see hdlc.h */ | |
69 | #define IF_PROTO_HDLC 0x2000 /* raw HDLC protocol */ | |
70 | #define IF_PROTO_PPP 0x2001 /* PPP protocol */ | |
71 | #define IF_PROTO_CISCO 0x2002 /* Cisco HDLC protocol */ | |
72 | #define IF_PROTO_FR 0x2003 /* Frame Relay protocol */ | |
73 | #define IF_PROTO_FR_ADD_PVC 0x2004 /* Create FR PVC */ | |
74 | #define IF_PROTO_FR_DEL_PVC 0x2005 /* Delete FR PVC */ | |
75 | #define IF_PROTO_X25 0x2006 /* X.25 */ | |
76 | #define IF_PROTO_HDLC_ETH 0x2007 /* raw HDLC, Ethernet emulation */ | |
77 | #define IF_PROTO_FR_ADD_ETH_PVC 0x2008 /* Create FR Ethernet-bridged PVC */ | |
78 | #define IF_PROTO_FR_DEL_ETH_PVC 0x2009 /* Delete FR Ethernet-bridged PVC */ | |
79 | #define IF_PROTO_FR_PVC 0x200A /* for reading PVC status */ | |
80 | #define IF_PROTO_FR_ETH_PVC 0x200B | |
81 | #define IF_PROTO_RAW 0x200C /* RAW Socket */ | |
82 | ||
83 | ||
84 | /* | |
85 | * Device mapping structure. I'd just gone off and designed a | |
86 | * beautiful scheme using only loadable modules with arguments | |
87 | * for driver options and along come the PCMCIA people 8) | |
88 | * | |
89 | * Ah well. The get() side of this is good for WDSETUP, and it'll | |
90 | * be handy for debugging things. The set side is fine for now and | |
91 | * being very small might be worth keeping for clean configuration. | |
92 | */ | |
93 | ||
94 | struct ifmap | |
95 | { | |
96 | unsigned long mem_start; | |
97 | unsigned long mem_end; | |
98 | unsigned short base_addr; | |
99 | unsigned char irq; | |
100 | unsigned char dma; | |
101 | unsigned char port; | |
102 | /* 3 bytes spare */ | |
103 | }; | |
104 | ||
105 | struct if_settings | |
106 | { | |
107 | unsigned int type; /* Type of physical device or protocol */ | |
108 | unsigned int size; /* Size of the data allocated by the caller */ | |
109 | union { | |
110 | /* {atm/eth/dsl}_settings anyone ? */ | |
111 | raw_hdlc_proto __user *raw_hdlc; | |
112 | cisco_proto __user *cisco; | |
113 | fr_proto __user *fr; | |
114 | fr_proto_pvc __user *fr_pvc; | |
115 | fr_proto_pvc_info __user *fr_pvc_info; | |
116 | ||
117 | /* interface settings */ | |
118 | sync_serial_settings __user *sync; | |
119 | te1_settings __user *te1; | |
120 | } ifs_ifsu; | |
121 | }; | |
122 | ||
123 | /* | |
124 | * Interface request structure used for socket | |
125 | * ioctl's. All interface ioctl's must have parameter | |
126 | * definitions which begin with ifr_name. The | |
127 | * remainder may be interface specific. | |
128 | */ | |
129 | ||
130 | struct ifreq | |
131 | { | |
132 | #define IFHWADDRLEN 6 | |
133 | union | |
134 | { | |
135 | char ifrn_name[IFNAMSIZ]; /* if name, e.g. "en0" */ | |
136 | } ifr_ifrn; | |
137 | ||
138 | union { | |
139 | struct sockaddr ifru_addr; | |
140 | struct sockaddr ifru_dstaddr; | |
141 | struct sockaddr ifru_broadaddr; | |
142 | struct sockaddr ifru_netmask; | |
143 | struct sockaddr ifru_hwaddr; | |
144 | short ifru_flags; | |
145 | int ifru_ivalue; | |
146 | int ifru_mtu; | |
147 | struct ifmap ifru_map; | |
148 | char ifru_slave[IFNAMSIZ]; /* Just fits the size */ | |
149 | char ifru_newname[IFNAMSIZ]; | |
150 | void __user * ifru_data; | |
151 | struct if_settings ifru_settings; | |
152 | } ifr_ifru; | |
153 | }; | |
154 | ||
155 | #define ifr_name ifr_ifrn.ifrn_name /* interface name */ | |
156 | #define ifr_hwaddr ifr_ifru.ifru_hwaddr /* MAC address */ | |
157 | #define ifr_addr ifr_ifru.ifru_addr /* address */ | |
158 | #define ifr_dstaddr ifr_ifru.ifru_dstaddr /* other end of p-p lnk */ | |
159 | #define ifr_broadaddr ifr_ifru.ifru_broadaddr /* broadcast address */ | |
160 | #define ifr_netmask ifr_ifru.ifru_netmask /* interface net mask */ | |
161 | #define ifr_flags ifr_ifru.ifru_flags /* flags */ | |
162 | #define ifr_metric ifr_ifru.ifru_ivalue /* metric */ | |
163 | #define ifr_mtu ifr_ifru.ifru_mtu /* mtu */ | |
164 | #define ifr_map ifr_ifru.ifru_map /* device map */ | |
165 | #define ifr_slave ifr_ifru.ifru_slave /* slave device */ | |
166 | #define ifr_data ifr_ifru.ifru_data /* for use by interface */ | |
167 | #define ifr_ifindex ifr_ifru.ifru_ivalue /* interface index */ | |
168 | #define ifr_bandwidth ifr_ifru.ifru_ivalue /* link bandwidth */ | |
169 | #define ifr_qlen ifr_ifru.ifru_ivalue /* Queue length */ | |
170 | #define ifr_newname ifr_ifru.ifru_newname /* New name */ | |
171 | #define ifr_settings ifr_ifru.ifru_settings /* Device/proto settings*/ | |
172 | ||
173 | /* | |
174 | * Structure used in SIOCGIFCONF request. | |
175 | * Used to retrieve interface configuration | |
176 | * for machine (useful for programs which | |
177 | * must know all networks accessible). | |
178 | */ | |
179 | ||
180 | struct ifconf | |
181 | { | |
182 | int ifc_len; /* size of buffer */ | |
183 | union | |
184 | { | |
185 | char __user *ifcu_buf; | |
186 | struct ifreq __user *ifcu_req; | |
187 | } ifc_ifcu; | |
188 | }; | |
189 | #define ifc_buf ifc_ifcu.ifcu_buf /* buffer address */ | |
190 | #define ifc_req ifc_ifcu.ifcu_req /* array of structures */ | |
191 | ||
192 | ||
193 | #endif /* _LINUX_IF_H */ |