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.
6 * Global definitions for the INET interface module.
8 * Version: @(#)if.h 1.0.2 04/18/93
10 * Authors: Original taken from Berkeley UNIX 4.3, (c) UCB 1982-1988
11 * Ross Biro, <bir7@leland.Stanford.Edu>
12 * Fred N. van Kempen, <waltje@uWalt.NL.Mugnet.ORG>
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.
22 #include <linux/types.h> /* for "__kernel_caddr_t" et al */
23 #include <linux/socket.h> /* for "struct sockaddr" et al */
24 #include <linux/hdlc/ioctl.h>
26 /* Standard interface flags (netdevice->flags). */
27 #define IFF_UP 0x1 /* interface is up */
28 #define IFF_BROADCAST 0x2 /* broadcast address valid */
29 #define IFF_DEBUG 0x4 /* turn on debugging */
30 #define IFF_LOOPBACK 0x8 /* is a loopback net */
31 #define IFF_POINTOPOINT 0x10 /* interface is has p-p link */
32 #define IFF_NOTRAILERS 0x20 /* avoid use of trailers */
33 #define IFF_RUNNING 0x40 /* resources allocated */
34 #define IFF_NOARP 0x80 /* no ARP protocol */
35 #define IFF_PROMISC 0x100 /* receive all packets */
36 #define IFF_ALLMULTI 0x200 /* receive all multicast packets*/
38 #define IFF_MASTER 0x400 /* master of a load balancer */
39 #define IFF_SLAVE 0x800 /* slave of a load balancer */
41 #define IFF_MULTICAST 0x1000 /* Supports multicast */
43 #define IFF_VOLATILE (IFF_LOOPBACK|IFF_POINTOPOINT|IFF_BROADCAST|IFF_MASTER|IFF_SLAVE|IFF_RUNNING)
45 #define IFF_PORTSEL 0x2000 /* can set media type */
46 #define IFF_AUTOMEDIA 0x4000 /* auto media select active */
47 #define IFF_DYNAMIC 0x8000 /* dialup device with changing addresses*/
49 /* Private (from user) interface flags (netdevice->priv_flags). */
50 #define IFF_802_1Q_VLAN 0x1 /* 802.1Q VLAN device. */
53 #define IF_GET_IFACE 0x0001 /* for querying only */
54 #define IF_GET_PROTO 0x0002
56 /* For definitions see hdlc.h */
57 #define IF_IFACE_V35 0x1000 /* V.35 serial interface */
58 #define IF_IFACE_V24 0x1001 /* V.24 serial interface */
59 #define IF_IFACE_X21 0x1002 /* X.21 serial interface */
60 #define IF_IFACE_T1 0x1003 /* T1 telco serial interface */
61 #define IF_IFACE_E1 0x1004 /* E1 telco serial interface */
62 #define IF_IFACE_SYNC_SERIAL 0x1005 /* cant'b be set by software */
64 /* For definitions see hdlc.h */
65 #define IF_PROTO_HDLC 0x2000 /* raw HDLC protocol */
66 #define IF_PROTO_PPP 0x2001 /* PPP protocol */
67 #define IF_PROTO_CISCO 0x2002 /* Cisco HDLC protocol */
68 #define IF_PROTO_FR 0x2003 /* Frame Relay protocol */
69 #define IF_PROTO_FR_ADD_PVC 0x2004 /* Create FR PVC */
70 #define IF_PROTO_FR_DEL_PVC 0x2005 /* Delete FR PVC */
71 #define IF_PROTO_X25 0x2006 /* X.25 */
76 * Device mapping structure. I'd just gone off and designed a
77 * beautiful scheme using only loadable modules with arguments
78 * for driver options and along come the PCMCIA people 8)
80 * Ah well. The get() side of this is good for WDSETUP, and it'll
81 * be handy for debugging things. The set side is fine for now and
82 * being very small might be worth keeping for clean configuration.
87 unsigned long mem_start;
88 unsigned long mem_end;
89 unsigned short base_addr;
98 unsigned int type; /* Type of physical device or protocol */
99 unsigned int size; /* Size of the data allocated by the caller */
101 /* {atm/eth/dsl}_settings anyone ? */
102 raw_hdlc_proto *raw_hdlc;
105 fr_proto_pvc *fr_pvc;
107 /* interface settings */
108 sync_serial_settings *sync;
114 * Interface request structure used for socket
115 * ioctl's. All interface ioctl's must have parameter
116 * definitions which begin with ifr_name. The
117 * remainder may be interface specific.
122 #define IFHWADDRLEN 6
126 char ifrn_name[IFNAMSIZ]; /* if name, e.g. "en0" */
130 struct sockaddr ifru_addr;
131 struct sockaddr ifru_dstaddr;
132 struct sockaddr ifru_broadaddr;
133 struct sockaddr ifru_netmask;
134 struct sockaddr ifru_hwaddr;
138 struct ifmap ifru_map;
139 char ifru_slave[IFNAMSIZ]; /* Just fits the size */
140 char ifru_newname[IFNAMSIZ];
142 struct if_settings ifru_settings;
146 #define ifr_name ifr_ifrn.ifrn_name /* interface name */
147 #define ifr_hwaddr ifr_ifru.ifru_hwaddr /* MAC address */
148 #define ifr_addr ifr_ifru.ifru_addr /* address */
149 #define ifr_dstaddr ifr_ifru.ifru_dstaddr /* other end of p-p lnk */
150 #define ifr_broadaddr ifr_ifru.ifru_broadaddr /* broadcast address */
151 #define ifr_netmask ifr_ifru.ifru_netmask /* interface net mask */
152 #define ifr_flags ifr_ifru.ifru_flags /* flags */
153 #define ifr_metric ifr_ifru.ifru_ivalue /* metric */
154 #define ifr_mtu ifr_ifru.ifru_mtu /* mtu */
155 #define ifr_map ifr_ifru.ifru_map /* device map */
156 #define ifr_slave ifr_ifru.ifru_slave /* slave device */
157 #define ifr_data ifr_ifru.ifru_data /* for use by interface */
158 #define ifr_ifindex ifr_ifru.ifru_ivalue /* interface index */
159 #define ifr_bandwidth ifr_ifru.ifru_ivalue /* link bandwidth */
160 #define ifr_qlen ifr_ifru.ifru_ivalue /* Queue length */
161 #define ifr_newname ifr_ifru.ifru_newname /* New name */
162 #define ifr_settings ifr_ifru.ifru_settings /* Device/proto settings*/
165 * Structure used in SIOCGIFCONF request.
166 * Used to retrieve interface configuration
167 * for machine (useful for programs which
168 * must know all networks accessible).
173 int ifc_len; /* size of buffer */
177 struct ifreq *ifcu_req;
180 #define ifc_buf ifc_ifcu.ifcu_buf /* buffer address */
181 #define ifc_req ifc_ifcu.ifcu_req /* array of structures */
184 #endif /* _LINUX_IF_H */