Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 |
Jesper Juhl | 02c30a8 | 2005-05-05 16:16:16 -0700 | [diff] [blame] | 11 | * Ross Biro |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 |
Stephen Hemminger | 0b815a1 | 2008-09-22 21:28:11 -0700 | [diff] [blame] | 27 | #define IFALIASZ 256 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 */ |
Stefan Rompf | b00055a | 2006-03-20 17:09:11 -0800 | [diff] [blame] | 37 | #define IFF_RUNNING 0x40 /* interface RFC2863 OPER_UP */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 | |
Stefan Rompf | b00055a | 2006-03-20 17:09:11 -0800 | [diff] [blame] | 51 | #define IFF_LOWER_UP 0x10000 /* driver signals L1 up */ |
| 52 | #define IFF_DORMANT 0x20000 /* driver signals dormant */ |
| 53 | |
Oliver Hartkopp | cd05acf | 2007-12-16 15:59:24 -0800 | [diff] [blame] | 54 | #define IFF_ECHO 0x40000 /* echo sent packets */ |
| 55 | |
| 56 | #define IFF_VOLATILE (IFF_LOOPBACK|IFF_POINTOPOINT|IFF_BROADCAST|IFF_ECHO|\ |
Stefan Rompf | b00055a | 2006-03-20 17:09:11 -0800 | [diff] [blame] | 57 | IFF_MASTER|IFF_SLAVE|IFF_RUNNING|IFF_LOWER_UP|IFF_DORMANT) |
| 58 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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. */ |
Jay Vosburgh | 8f903c7 | 2006-02-21 16:36:44 -0800 | [diff] [blame] | 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. */ |
Jay Vosburgh | 0b680e7 | 2006-09-22 21:54:10 -0700 | [diff] [blame] | 65 | #define IFF_BONDING 0x20 /* bonding master or slave */ |
Jay Vosburgh | f5b2b96 | 2006-09-22 21:54:53 -0700 | [diff] [blame] | 66 | #define IFF_SLAVE_NEEDARP 0x40 /* need ARPs for validation */ |
Fred L. Templin | c7dc89c | 2007-11-29 22:11:40 +1100 | [diff] [blame] | 67 | #define IFF_ISATAP 0x80 /* ISATAP interface (RFC4214) */ |
Jay Vosburgh | 6cf3f41 | 2008-11-03 18:16:50 -0800 | [diff] [blame] | 68 | #define IFF_MASTER_ARPMON 0x100 /* bonding master, ARP mon in use */ |
Krzysztof HaĆasa | 7cdc15f | 2009-01-08 19:46:54 +0100 | [diff] [blame] | 69 | #define IFF_WAN_HDLC 0x200 /* WAN HDLC device */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 70 | |
| 71 | #define IF_GET_IFACE 0x0001 /* for querying only */ |
| 72 | #define IF_GET_PROTO 0x0002 |
| 73 | |
| 74 | /* For definitions see hdlc.h */ |
| 75 | #define IF_IFACE_V35 0x1000 /* V.35 serial interface */ |
| 76 | #define IF_IFACE_V24 0x1001 /* V.24 serial interface */ |
| 77 | #define IF_IFACE_X21 0x1002 /* X.21 serial interface */ |
| 78 | #define IF_IFACE_T1 0x1003 /* T1 telco serial interface */ |
| 79 | #define IF_IFACE_E1 0x1004 /* E1 telco serial interface */ |
| 80 | #define IF_IFACE_SYNC_SERIAL 0x1005 /* can't be set by software */ |
| 81 | #define IF_IFACE_X21D 0x1006 /* X.21 Dual Clocking (FarSite) */ |
| 82 | |
| 83 | /* For definitions see hdlc.h */ |
| 84 | #define IF_PROTO_HDLC 0x2000 /* raw HDLC protocol */ |
| 85 | #define IF_PROTO_PPP 0x2001 /* PPP protocol */ |
| 86 | #define IF_PROTO_CISCO 0x2002 /* Cisco HDLC protocol */ |
| 87 | #define IF_PROTO_FR 0x2003 /* Frame Relay protocol */ |
| 88 | #define IF_PROTO_FR_ADD_PVC 0x2004 /* Create FR PVC */ |
| 89 | #define IF_PROTO_FR_DEL_PVC 0x2005 /* Delete FR PVC */ |
| 90 | #define IF_PROTO_X25 0x2006 /* X.25 */ |
| 91 | #define IF_PROTO_HDLC_ETH 0x2007 /* raw HDLC, Ethernet emulation */ |
| 92 | #define IF_PROTO_FR_ADD_ETH_PVC 0x2008 /* Create FR Ethernet-bridged PVC */ |
| 93 | #define IF_PROTO_FR_DEL_ETH_PVC 0x2009 /* Delete FR Ethernet-bridged PVC */ |
| 94 | #define IF_PROTO_FR_PVC 0x200A /* for reading PVC status */ |
| 95 | #define IF_PROTO_FR_ETH_PVC 0x200B |
| 96 | #define IF_PROTO_RAW 0x200C /* RAW Socket */ |
| 97 | |
Stefan Rompf | b00055a | 2006-03-20 17:09:11 -0800 | [diff] [blame] | 98 | /* RFC 2863 operational status */ |
| 99 | enum { |
| 100 | IF_OPER_UNKNOWN, |
| 101 | IF_OPER_NOTPRESENT, |
| 102 | IF_OPER_DOWN, |
| 103 | IF_OPER_LOWERLAYERDOWN, |
| 104 | IF_OPER_TESTING, |
| 105 | IF_OPER_DORMANT, |
| 106 | IF_OPER_UP, |
| 107 | }; |
| 108 | |
| 109 | /* link modes */ |
| 110 | enum { |
| 111 | IF_LINK_MODE_DEFAULT, |
| 112 | IF_LINK_MODE_DORMANT, /* limit upward transition to dormant */ |
| 113 | }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 114 | |
| 115 | /* |
| 116 | * Device mapping structure. I'd just gone off and designed a |
| 117 | * beautiful scheme using only loadable modules with arguments |
| 118 | * for driver options and along come the PCMCIA people 8) |
| 119 | * |
| 120 | * Ah well. The get() side of this is good for WDSETUP, and it'll |
| 121 | * be handy for debugging things. The set side is fine for now and |
| 122 | * being very small might be worth keeping for clean configuration. |
| 123 | */ |
| 124 | |
| 125 | struct ifmap |
| 126 | { |
| 127 | unsigned long mem_start; |
| 128 | unsigned long mem_end; |
| 129 | unsigned short base_addr; |
| 130 | unsigned char irq; |
| 131 | unsigned char dma; |
| 132 | unsigned char port; |
| 133 | /* 3 bytes spare */ |
| 134 | }; |
| 135 | |
| 136 | struct if_settings |
| 137 | { |
| 138 | unsigned int type; /* Type of physical device or protocol */ |
| 139 | unsigned int size; /* Size of the data allocated by the caller */ |
| 140 | union { |
| 141 | /* {atm/eth/dsl}_settings anyone ? */ |
| 142 | raw_hdlc_proto __user *raw_hdlc; |
| 143 | cisco_proto __user *cisco; |
| 144 | fr_proto __user *fr; |
| 145 | fr_proto_pvc __user *fr_pvc; |
| 146 | fr_proto_pvc_info __user *fr_pvc_info; |
| 147 | |
| 148 | /* interface settings */ |
| 149 | sync_serial_settings __user *sync; |
| 150 | te1_settings __user *te1; |
| 151 | } ifs_ifsu; |
| 152 | }; |
| 153 | |
| 154 | /* |
| 155 | * Interface request structure used for socket |
| 156 | * ioctl's. All interface ioctl's must have parameter |
| 157 | * definitions which begin with ifr_name. The |
| 158 | * remainder may be interface specific. |
| 159 | */ |
| 160 | |
| 161 | struct ifreq |
| 162 | { |
| 163 | #define IFHWADDRLEN 6 |
| 164 | union |
| 165 | { |
| 166 | char ifrn_name[IFNAMSIZ]; /* if name, e.g. "en0" */ |
| 167 | } ifr_ifrn; |
| 168 | |
| 169 | union { |
| 170 | struct sockaddr ifru_addr; |
| 171 | struct sockaddr ifru_dstaddr; |
| 172 | struct sockaddr ifru_broadaddr; |
| 173 | struct sockaddr ifru_netmask; |
| 174 | struct sockaddr ifru_hwaddr; |
| 175 | short ifru_flags; |
| 176 | int ifru_ivalue; |
| 177 | int ifru_mtu; |
| 178 | struct ifmap ifru_map; |
| 179 | char ifru_slave[IFNAMSIZ]; /* Just fits the size */ |
| 180 | char ifru_newname[IFNAMSIZ]; |
| 181 | void __user * ifru_data; |
| 182 | struct if_settings ifru_settings; |
| 183 | } ifr_ifru; |
| 184 | }; |
| 185 | |
| 186 | #define ifr_name ifr_ifrn.ifrn_name /* interface name */ |
| 187 | #define ifr_hwaddr ifr_ifru.ifru_hwaddr /* MAC address */ |
| 188 | #define ifr_addr ifr_ifru.ifru_addr /* address */ |
| 189 | #define ifr_dstaddr ifr_ifru.ifru_dstaddr /* other end of p-p lnk */ |
| 190 | #define ifr_broadaddr ifr_ifru.ifru_broadaddr /* broadcast address */ |
| 191 | #define ifr_netmask ifr_ifru.ifru_netmask /* interface net mask */ |
| 192 | #define ifr_flags ifr_ifru.ifru_flags /* flags */ |
| 193 | #define ifr_metric ifr_ifru.ifru_ivalue /* metric */ |
| 194 | #define ifr_mtu ifr_ifru.ifru_mtu /* mtu */ |
| 195 | #define ifr_map ifr_ifru.ifru_map /* device map */ |
| 196 | #define ifr_slave ifr_ifru.ifru_slave /* slave device */ |
| 197 | #define ifr_data ifr_ifru.ifru_data /* for use by interface */ |
| 198 | #define ifr_ifindex ifr_ifru.ifru_ivalue /* interface index */ |
| 199 | #define ifr_bandwidth ifr_ifru.ifru_ivalue /* link bandwidth */ |
| 200 | #define ifr_qlen ifr_ifru.ifru_ivalue /* Queue length */ |
| 201 | #define ifr_newname ifr_ifru.ifru_newname /* New name */ |
| 202 | #define ifr_settings ifr_ifru.ifru_settings /* Device/proto settings*/ |
| 203 | |
| 204 | /* |
| 205 | * Structure used in SIOCGIFCONF request. |
| 206 | * Used to retrieve interface configuration |
| 207 | * for machine (useful for programs which |
| 208 | * must know all networks accessible). |
| 209 | */ |
| 210 | |
| 211 | struct ifconf |
| 212 | { |
| 213 | int ifc_len; /* size of buffer */ |
| 214 | union |
| 215 | { |
| 216 | char __user *ifcu_buf; |
| 217 | struct ifreq __user *ifcu_req; |
| 218 | } ifc_ifcu; |
| 219 | }; |
| 220 | #define ifc_buf ifc_ifcu.ifcu_buf /* buffer address */ |
| 221 | #define ifc_req ifc_ifcu.ifcu_req /* array of structures */ |
| 222 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 223 | #endif /* _LINUX_IF_H */ |