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
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 */
26 #include <linux/hdlc/ioctl.h>
28 /* Standard interface flags (netdevice->flags). */
29 #define IFF_UP 0x1 /* interface is up */
30 #define IFF_BROADCAST 0x2 /* broadcast address valid */
31 #define IFF_DEBUG 0x4 /* turn on debugging */
32 #define IFF_LOOPBACK 0x8 /* is a loopback net */
33 #define IFF_POINTOPOINT 0x10 /* interface is has p-p link */
34 #define IFF_NOTRAILERS 0x20 /* avoid use of trailers */
35 #define IFF_RUNNING 0x40 /* interface RFC2863 OPER_UP */
36 #define IFF_NOARP 0x80 /* no ARP protocol */
37 #define IFF_PROMISC 0x100 /* receive all packets */
38 #define IFF_ALLMULTI 0x200 /* receive all multicast packets*/
40 #define IFF_MASTER 0x400 /* master of a load balancer */
41 #define IFF_SLAVE 0x800 /* slave of a load balancer */
43 #define IFF_MULTICAST 0x1000 /* Supports multicast */
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 #define IFF_LOWER_UP 0x10000 /* driver signals L1 up */
50 #define IFF_DORMANT 0x20000 /* driver signals dormant */
52 #define IFF_VOLATILE (IFF_LOOPBACK|IFF_POINTOPOINT|IFF_BROADCAST|\
53 IFF_MASTER|IFF_SLAVE|IFF_RUNNING|IFF_LOWER_UP|IFF_DORMANT)
55 /* Private (from user) interface flags (netdevice->priv_flags). */
56 #define IFF_802_1Q_VLAN 0x1 /* 802.1Q VLAN device. */
57 #define IFF_EBRIDGE 0x2 /* Ethernet bridging device. */
58 #define IFF_SLAVE_INACTIVE 0x4 /* bonding slave not the curr. active */
59 #define IFF_MASTER_8023AD 0x8 /* bonding master, 802.3ad. */
60 #define IFF_MASTER_ALB 0x10 /* bonding master, balance-alb. */
61 #define IFF_BONDING 0x20 /* bonding master or slave */
62 #define IFF_SLAVE_NEEDARP 0x40 /* need ARPs for validation */
64 #define IF_GET_IFACE 0x0001 /* for querying only */
65 #define IF_GET_PROTO 0x0002
67 /* For definitions see hdlc.h */
68 #define IF_IFACE_V35 0x1000 /* V.35 serial interface */
69 #define IF_IFACE_V24 0x1001 /* V.24 serial interface */
70 #define IF_IFACE_X21 0x1002 /* X.21 serial interface */
71 #define IF_IFACE_T1 0x1003 /* T1 telco serial interface */
72 #define IF_IFACE_E1 0x1004 /* E1 telco serial interface */
73 #define IF_IFACE_SYNC_SERIAL 0x1005 /* can't be set by software */
74 #define IF_IFACE_X21D 0x1006 /* X.21 Dual Clocking (FarSite) */
76 /* For definitions see hdlc.h */
77 #define IF_PROTO_HDLC 0x2000 /* raw HDLC protocol */
78 #define IF_PROTO_PPP 0x2001 /* PPP protocol */
79 #define IF_PROTO_CISCO 0x2002 /* Cisco HDLC protocol */
80 #define IF_PROTO_FR 0x2003 /* Frame Relay protocol */
81 #define IF_PROTO_FR_ADD_PVC 0x2004 /* Create FR PVC */
82 #define IF_PROTO_FR_DEL_PVC 0x2005 /* Delete FR PVC */
83 #define IF_PROTO_X25 0x2006 /* X.25 */
84 #define IF_PROTO_HDLC_ETH 0x2007 /* raw HDLC, Ethernet emulation */
85 #define IF_PROTO_FR_ADD_ETH_PVC 0x2008 /* Create FR Ethernet-bridged PVC */
86 #define IF_PROTO_FR_DEL_ETH_PVC 0x2009 /* Delete FR Ethernet-bridged PVC */
87 #define IF_PROTO_FR_PVC 0x200A /* for reading PVC status */
88 #define IF_PROTO_FR_ETH_PVC 0x200B
89 #define IF_PROTO_RAW 0x200C /* RAW Socket */
91 /* RFC 2863 operational status */
96 IF_OPER_LOWERLAYERDOWN,
104 IF_LINK_MODE_DEFAULT,
105 IF_LINK_MODE_DORMANT, /* limit upward transition to dormant */
109 * Device mapping structure. I'd just gone off and designed a
110 * beautiful scheme using only loadable modules with arguments
111 * for driver options and along come the PCMCIA people 8)
113 * Ah well. The get() side of this is good for WDSETUP, and it'll
114 * be handy for debugging things. The set side is fine for now and
115 * being very small might be worth keeping for clean configuration.
120 unsigned long mem_start;
121 unsigned long mem_end;
122 unsigned short base_addr;
131 unsigned int type; /* Type of physical device or protocol */
132 unsigned int size; /* Size of the data allocated by the caller */
134 /* {atm/eth/dsl}_settings anyone ? */
135 raw_hdlc_proto *raw_hdlc;
138 fr_proto_pvc *fr_pvc;
139 fr_proto_pvc_info *fr_pvc_info;
141 /* interface settings */
142 sync_serial_settings *sync;
148 * Interface request structure used for socket
149 * ioctl's. All interface ioctl's must have parameter
150 * definitions which begin with ifr_name. The
151 * remainder may be interface specific.
156 #define IFHWADDRLEN 6
159 char ifrn_name[IFNAMSIZ]; /* if name, e.g. "en0" */
163 struct sockaddr ifru_addr;
164 struct sockaddr ifru_dstaddr;
165 struct sockaddr ifru_broadaddr;
166 struct sockaddr ifru_netmask;
167 struct sockaddr ifru_hwaddr;
171 struct ifmap ifru_map;
172 char ifru_slave[IFNAMSIZ]; /* Just fits the size */
173 char ifru_newname[IFNAMSIZ];
175 struct if_settings ifru_settings;
179 #define ifr_name ifr_ifrn.ifrn_name /* interface name */
180 #define ifr_hwaddr ifr_ifru.ifru_hwaddr /* MAC address */
181 #define ifr_addr ifr_ifru.ifru_addr /* address */
182 #define ifr_dstaddr ifr_ifru.ifru_dstaddr /* other end of p-p lnk */
183 #define ifr_broadaddr ifr_ifru.ifru_broadaddr /* broadcast address */
184 #define ifr_netmask ifr_ifru.ifru_netmask /* interface net mask */
185 #define ifr_flags ifr_ifru.ifru_flags /* flags */
186 #define ifr_metric ifr_ifru.ifru_ivalue /* metric */
187 #define ifr_mtu ifr_ifru.ifru_mtu /* mtu */
188 #define ifr_map ifr_ifru.ifru_map /* device map */
189 #define ifr_slave ifr_ifru.ifru_slave /* slave device */
190 #define ifr_data ifr_ifru.ifru_data /* for use by interface */
191 #define ifr_ifindex ifr_ifru.ifru_ivalue /* interface index */
192 #define ifr_bandwidth ifr_ifru.ifru_ivalue /* link bandwidth */
193 #define ifr_qlen ifr_ifru.ifru_ivalue /* Queue length */
194 #define ifr_newname ifr_ifru.ifru_newname /* New name */
195 #define ifr_settings ifr_ifru.ifru_settings /* Device/proto settings*/
198 * Structure used in SIOCGIFCONF request.
199 * Used to retrieve interface configuration
200 * for machine (useful for programs which
201 * must know all networks accessible).
206 int ifc_len; /* size of buffer */
210 struct ifreq *ifcu_req;
213 #define ifc_buf ifc_ifcu.ifcu_buf /* buffer address */
214 #define ifc_req ifc_ifcu.ifcu_req /* array of structures */
216 #endif /* _LINUX_IF_H */