Line data Source code
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
11 : * Ross Biro
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 : #define IFALIASZ 256
28 : #include <linux/hdlc/ioctl.h>
29 :
30 : /* Standard interface flags (netdevice->flags). */
31 : #define IFF_UP 0x1 /* interface is up */
32 : #define IFF_BROADCAST 0x2 /* broadcast address valid */
33 : #define IFF_DEBUG 0x4 /* turn on debugging */
34 : #define IFF_LOOPBACK 0x8 /* is a loopback net */
35 : #define IFF_POINTOPOINT 0x10 /* interface is has p-p link */
36 : #define IFF_NOTRAILERS 0x20 /* avoid use of trailers */
37 : #define IFF_RUNNING 0x40 /* interface RFC2863 OPER_UP */
38 : #define IFF_NOARP 0x80 /* no ARP protocol */
39 : #define IFF_PROMISC 0x100 /* receive all packets */
40 : #define IFF_ALLMULTI 0x200 /* receive all multicast packets*/
41 :
42 : #define IFF_MASTER 0x400 /* master of a load balancer */
43 : #define IFF_SLAVE 0x800 /* slave of a load balancer */
44 :
45 : #define IFF_MULTICAST 0x1000 /* Supports multicast */
46 :
47 : #define IFF_PORTSEL 0x2000 /* can set media type */
48 : #define IFF_AUTOMEDIA 0x4000 /* auto media select active */
49 : #define IFF_DYNAMIC 0x8000 /* dialup device with changing addresses*/
50 :
51 : #define IFF_LOWER_UP 0x10000 /* driver signals L1 up */
52 : #define IFF_DORMANT 0x20000 /* driver signals dormant */
53 :
54 : #define IFF_ECHO 0x40000 /* echo sent packets */
55 :
56 : #define IFF_VOLATILE (IFF_LOOPBACK|IFF_POINTOPOINT|IFF_BROADCAST|IFF_ECHO|\
57 : IFF_MASTER|IFF_SLAVE|IFF_RUNNING|IFF_LOWER_UP|IFF_DORMANT)
58 :
59 : /* Private (from user) interface flags (netdevice->priv_flags). */
60 : #define IFF_802_1Q_VLAN 0x1 /* 802.1Q VLAN device. */
61 : #define IFF_EBRIDGE 0x2 /* Ethernet bridging device. */
62 : #define IFF_SLAVE_INACTIVE 0x4 /* bonding slave not the curr. active */
63 : #define IFF_MASTER_8023AD 0x8 /* bonding master, 802.3ad. */
64 : #define IFF_MASTER_ALB 0x10 /* bonding master, balance-alb. */
65 : #define IFF_BONDING 0x20 /* bonding master or slave */
66 : #define IFF_SLAVE_NEEDARP 0x40 /* need ARPs for validation */
67 : #define IFF_ISATAP 0x80 /* ISATAP interface (RFC4214) */
68 : #define IFF_MASTER_ARPMON 0x100 /* bonding master, ARP mon in use */
69 : #define IFF_WAN_HDLC 0x200 /* WAN HDLC device */
70 : #define IFF_XMIT_DST_RELEASE 0x400 /* dev_hard_start_xmit() is allowed to
71 : * release skb->dst
72 : */
73 : #define IFF_DONT_BRIDGE 0x800 /* disallow bridging this ether dev */
74 :
75 : #define IF_GET_IFACE 0x0001 /* for querying only */
76 : #define IF_GET_PROTO 0x0002
77 :
78 : /* For definitions see hdlc.h */
79 : #define IF_IFACE_V35 0x1000 /* V.35 serial interface */
80 : #define IF_IFACE_V24 0x1001 /* V.24 serial interface */
81 : #define IF_IFACE_X21 0x1002 /* X.21 serial interface */
82 : #define IF_IFACE_T1 0x1003 /* T1 telco serial interface */
83 : #define IF_IFACE_E1 0x1004 /* E1 telco serial interface */
84 : #define IF_IFACE_SYNC_SERIAL 0x1005 /* can't be set by software */
85 : #define IF_IFACE_X21D 0x1006 /* X.21 Dual Clocking (FarSite) */
86 :
87 : /* For definitions see hdlc.h */
88 : #define IF_PROTO_HDLC 0x2000 /* raw HDLC protocol */
89 : #define IF_PROTO_PPP 0x2001 /* PPP protocol */
90 : #define IF_PROTO_CISCO 0x2002 /* Cisco HDLC protocol */
91 : #define IF_PROTO_FR 0x2003 /* Frame Relay protocol */
92 : #define IF_PROTO_FR_ADD_PVC 0x2004 /* Create FR PVC */
93 : #define IF_PROTO_FR_DEL_PVC 0x2005 /* Delete FR PVC */
94 : #define IF_PROTO_X25 0x2006 /* X.25 */
95 : #define IF_PROTO_HDLC_ETH 0x2007 /* raw HDLC, Ethernet emulation */
96 : #define IF_PROTO_FR_ADD_ETH_PVC 0x2008 /* Create FR Ethernet-bridged PVC */
97 : #define IF_PROTO_FR_DEL_ETH_PVC 0x2009 /* Delete FR Ethernet-bridged PVC */
98 : #define IF_PROTO_FR_PVC 0x200A /* for reading PVC status */
99 : #define IF_PROTO_FR_ETH_PVC 0x200B
100 : #define IF_PROTO_RAW 0x200C /* RAW Socket */
101 :
102 : /* RFC 2863 operational status */
103 : enum {
104 : IF_OPER_UNKNOWN,
105 : IF_OPER_NOTPRESENT,
106 : IF_OPER_DOWN,
107 : IF_OPER_LOWERLAYERDOWN,
108 : IF_OPER_TESTING,
109 : IF_OPER_DORMANT,
110 : IF_OPER_UP,
111 : };
112 :
113 : /* link modes */
114 : enum {
115 : IF_LINK_MODE_DEFAULT,
116 : IF_LINK_MODE_DORMANT, /* limit upward transition to dormant */
117 : };
118 :
119 : /*
120 : * Device mapping structure. I'd just gone off and designed a
121 : * beautiful scheme using only loadable modules with arguments
122 : * for driver options and along come the PCMCIA people 8)
123 : *
124 : * Ah well. The get() side of this is good for WDSETUP, and it'll
125 : * be handy for debugging things. The set side is fine for now and
126 : * being very small might be worth keeping for clean configuration.
127 : */
128 :
129 : struct ifmap {
130 : unsigned long mem_start;
131 : unsigned long mem_end;
132 : unsigned short base_addr;
133 : unsigned char irq;
134 : unsigned char dma;
135 : unsigned char port;
136 : /* 3 bytes spare */
137 2 : };
138 :
139 : struct if_settings {
140 : unsigned int type; /* Type of physical device or protocol */
141 : unsigned int size; /* Size of the data allocated by the caller */
142 : union {
143 : /* {atm/eth/dsl}_settings anyone ? */
144 : raw_hdlc_proto __user *raw_hdlc;
145 : cisco_proto __user *cisco;
146 : fr_proto __user *fr;
147 : fr_proto_pvc __user *fr_pvc;
148 : fr_proto_pvc_info __user *fr_pvc_info;
149 :
150 : /* interface settings */
151 : sync_serial_settings __user *sync;
152 : te1_settings __user *te1;
153 : } ifs_ifsu;
154 : };
155 3 :
156 : /*
157 : * Interface request structure used for socket
158 : * ioctl's. All interface ioctl's must have parameter
159 : * definitions which begin with ifr_name. The
160 : * remainder may be interface specific.
161 : */
162 :
163 : struct ifreq {
164 : #define IFHWADDRLEN 6
165 : union
166 : {
167 : char ifrn_name[IFNAMSIZ]; /* if name, e.g. "en0" */
168 : } ifr_ifrn;
169 :
170 : union {
171 : struct sockaddr ifru_addr;
172 : struct sockaddr ifru_dstaddr;
173 : struct sockaddr ifru_broadaddr;
174 : struct sockaddr ifru_netmask;
175 : struct sockaddr ifru_hwaddr;
176 : short ifru_flags;
177 : int ifru_ivalue;
178 : int ifru_mtu;
179 : struct ifmap ifru_map;
180 : char ifru_slave[IFNAMSIZ]; /* Just fits the size */
181 : char ifru_newname[IFNAMSIZ];
182 : void __user * ifru_data;
183 : struct if_settings ifru_settings;
184 : } ifr_ifru;
185 : };
186 :
187 : #define ifr_name ifr_ifrn.ifrn_name /* interface name */
188 : #define ifr_hwaddr ifr_ifru.ifru_hwaddr /* MAC address */
189 : #define ifr_addr ifr_ifru.ifru_addr /* address */
190 : #define ifr_dstaddr ifr_ifru.ifru_dstaddr /* other end of p-p lnk */
191 : #define ifr_broadaddr ifr_ifru.ifru_broadaddr /* broadcast address */
192 : #define ifr_netmask ifr_ifru.ifru_netmask /* interface net mask */
193 : #define ifr_flags ifr_ifru.ifru_flags /* flags */
194 : #define ifr_metric ifr_ifru.ifru_ivalue /* metric */
195 : #define ifr_mtu ifr_ifru.ifru_mtu /* mtu */
196 : #define ifr_map ifr_ifru.ifru_map /* device map */
197 : #define ifr_slave ifr_ifru.ifru_slave /* slave device */
198 : #define ifr_data ifr_ifru.ifru_data /* for use by interface */
199 : #define ifr_ifindex ifr_ifru.ifru_ivalue /* interface index */
200 : #define ifr_bandwidth ifr_ifru.ifru_ivalue /* link bandwidth */
201 : #define ifr_qlen ifr_ifru.ifru_ivalue /* Queue length */
202 : #define ifr_newname ifr_ifru.ifru_newname /* New name */
203 : #define ifr_settings ifr_ifru.ifru_settings /* Device/proto settings*/
204 :
205 : /*
206 : * Structure used in SIOCGIFCONF request.
207 : * Used to retrieve interface configuration
208 : * for machine (useful for programs which
209 : * must know all networks accessible).
210 : */
211 :
212 : struct ifconf {
213 : int ifc_len; /* size of buffer */
214 : union {
215 : char __user *ifcu_buf;
216 : struct ifreq __user *ifcu_req;
217 : } ifc_ifcu;
218 : };
219 : #define ifc_buf ifc_ifcu.ifcu_buf /* buffer address */
220 : #define ifc_req ifc_ifcu.ifcu_req /* array of structures */
221 :
222 : #endif /* _LINUX_IF_H */
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