| 1 | /* |
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| 2 | * INET An implementation of the TCP/IP protocol suite for the LINUX |
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| 3 | * operating system. INET is implemented using the BSD Socket |
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| 4 | * interface as the means of communication with the user level. |
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| 5 | * |
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| 6 | * Global definitions for the INET interface module. |
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| 7 | * |
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| 8 | * Version: @(#)if.h 1.0.2 04/18/93 |
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| 9 | * |
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| 10 | * Authors: Original taken from Berkeley UNIX 4.3, (c) UCB 1982-1988 |
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| 11 | * Ross Biro |
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| 12 | * Fred N. van Kempen, <waltje@uWalt.NL.Mugnet.ORG> |
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| 13 | * |
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| 14 | * This program is free software; you can redistribute it and/or |
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| 15 | * modify it under the terms of the GNU General Public License |
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| 16 | * as published by the Free Software Foundation; either version |
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| 17 | * 2 of the License, or (at your option) any later version. |
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| 18 | */ |
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| 19 | #ifndef _LINUX_IF_H |
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| 20 | #define _LINUX_IF_H |
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| 21 | |
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| 22 | #include <sys/socket.h> /* for "struct sockaddr" et al */ |
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| 23 | #include <linux/types.h> /* for "__kernel_caddr_t" et al */ |
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| 24 | |
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| 25 | #define IFNAMSIZ 16 |
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| 26 | #include <linux/hdlc/ioctl.h> |
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| 27 | |
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| 28 | /* Standard interface flags (netdevice->flags). */ |
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| 29 | #define IFF_UP 0x1 /* interface is up */ |
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| 30 | #define IFF_BROADCAST 0x2 /* broadcast address valid */ |
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| 31 | #define IFF_DEBUG 0x4 /* turn on debugging */ |
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| 32 | #define IFF_LOOPBACK 0x8 /* is a loopback net */ |
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| 33 | #define IFF_POINTOPOINT 0x10 /* interface is has p-p link */ |
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| 34 | #define IFF_NOTRAILERS 0x20 /* avoid use of trailers */ |
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| 35 | #define IFF_RUNNING 0x40 /* resources allocated */ |
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| 36 | #define IFF_NOARP 0x80 /* no ARP protocol */ |
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| 37 | #define IFF_PROMISC 0x100 /* receive all packets */ |
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| 38 | #define IFF_ALLMULTI 0x200 /* receive all multicast packets*/ |
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| 39 | |
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| 40 | #define IFF_MASTER 0x400 /* master of a load balancer */ |
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| 41 | #define IFF_SLAVE 0x800 /* slave of a load balancer */ |
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| 42 | |
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| 43 | #define IFF_MULTICAST 0x1000 /* Supports multicast */ |
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| 44 | |
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| 45 | #define IFF_VOLATILE (IFF_LOOPBACK|IFF_POINTOPOINT|IFF_BROADCAST|IFF_MASTER|IFF_SLAVE|IFF_RUNNING) |
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| 46 | |
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| 47 | #define IFF_PORTSEL 0x2000 /* can set media type */ |
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| 48 | #define IFF_AUTOMEDIA 0x4000 /* auto media select active */ |
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| 49 | #define IFF_DYNAMIC 0x8000 /* dialup device with changing addresses*/ |
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| 50 | |
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| 51 | /* Private (from user) interface flags (netdevice->priv_flags). */ |
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| 52 | #define IFF_802_1Q_VLAN 0x1 /* 802.1Q VLAN device. */ |
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| 53 | #define IFF_EBRIDGE 0x2 /* Ethernet bridging device. */ |
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| 54 | |
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| 55 | #define IF_GET_IFACE 0x0001 /* for querying only */ |
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| 56 | #define IF_GET_PROTO 0x0002 |
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| 57 | |
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| 58 | /* For definitions see hdlc.h */ |
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| 59 | #define IF_IFACE_V35 0x1000 /* V.35 serial interface */ |
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| 60 | #define IF_IFACE_V24 0x1001 /* V.24 serial interface */ |
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| 61 | #define IF_IFACE_X21 0x1002 /* X.21 serial interface */ |
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| 62 | #define IF_IFACE_T1 0x1003 /* T1 telco serial interface */ |
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| 63 | #define IF_IFACE_E1 0x1004 /* E1 telco serial interface */ |
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| 64 | #define IF_IFACE_SYNC_SERIAL 0x1005 /* can't be set by software */ |
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| 65 | #define IF_IFACE_X21D 0x1006 /* X.21 Dual Clocking (FarSite) */ |
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| 66 | |
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| 67 | /* For definitions see hdlc.h */ |
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| 68 | #define IF_PROTO_HDLC 0x2000 /* raw HDLC protocol */ |
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| 69 | #define IF_PROTO_PPP 0x2001 /* PPP protocol */ |
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| 70 | #define IF_PROTO_CISCO 0x2002 /* Cisco HDLC protocol */ |
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| 71 | #define IF_PROTO_FR 0x2003 /* Frame Relay protocol */ |
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| 72 | #define IF_PROTO_FR_ADD_PVC 0x2004 /* Create FR PVC */ |
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| 73 | #define IF_PROTO_FR_DEL_PVC 0x2005 /* Delete FR PVC */ |
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| 74 | #define IF_PROTO_X25 0x2006 /* X.25 */ |
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| 75 | #define IF_PROTO_HDLC_ETH 0x2007 /* raw HDLC, Ethernet emulation */ |
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| 76 | #define IF_PROTO_FR_ADD_ETH_PVC 0x2008 /* Create FR Ethernet-bridged PVC */ |
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| 77 | #define IF_PROTO_FR_DEL_ETH_PVC 0x2009 /* Delete FR Ethernet-bridged PVC */ |
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| 78 | #define IF_PROTO_FR_PVC 0x200A /* for reading PVC status */ |
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| 79 | #define IF_PROTO_FR_ETH_PVC 0x200B |
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| 80 | #define IF_PROTO_RAW 0x200C /* RAW Socket */ |
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| 81 | |
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| 82 | |
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| 83 | /* |
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| 84 | * Device mapping structure. I'd just gone off and designed a |
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| 85 | * beautiful scheme using only loadable modules with arguments |
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| 86 | * for driver options and along come the PCMCIA people 8) |
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| 87 | * |
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| 88 | * Ah well. The get() side of this is good for WDSETUP, and it'll |
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| 89 | * be handy for debugging things. The set side is fine for now and |
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| 90 | * being very small might be worth keeping for clean configuration. |
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| 91 | */ |
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| 92 | |
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| 93 | #ifndef _NET_IF_H |
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| 94 | |
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| 95 | struct ifmap |
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| 96 | { |
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| 97 | unsigned long mem_start; |
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| 98 | unsigned long mem_end; |
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| 99 | unsigned short base_addr; |
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| 100 | unsigned char irq; |
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| 101 | unsigned char dma; |
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| 102 | unsigned char port; |
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| 103 | /* 3 bytes spare */ |
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| 104 | }; |
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| 105 | |
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| 106 | #endif |
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| 107 | |
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| 108 | struct if_settings |
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| 109 | { |
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| 110 | unsigned int type; /* Type of physical device or protocol */ |
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| 111 | unsigned int size; /* Size of the data allocated by the caller */ |
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| 112 | union { |
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| 113 | /* {atm/eth/dsl}_settings anyone ? */ |
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| 114 | raw_hdlc_proto *raw_hdlc; |
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| 115 | cisco_proto *cisco; |
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| 116 | fr_proto *fr; |
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| 117 | fr_proto_pvc *fr_pvc; |
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| 118 | fr_proto_pvc_info *fr_pvc_info; |
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| 119 | |
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| 120 | /* interface settings */ |
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| 121 | sync_serial_settings *sync; |
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| 122 | te1_settings *te1; |
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| 123 | } ifs_ifsu; |
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| 124 | }; |
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| 125 | |
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| 126 | /* |
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| 127 | * Interface request structure used for socket |
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| 128 | * ioctl's. All interface ioctl's must have parameter |
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| 129 | * definitions which begin with ifr_name. The |
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| 130 | * remainder may be interface specific. |
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| 131 | */ |
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| 132 | |
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| 133 | #ifndef _NET_IF_H |
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| 134 | |
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| 135 | struct ifreq |
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| 136 | { |
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| 137 | #define IFHWADDRLEN 6 |
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| 138 | union |
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| 139 | { |
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| 140 | char ifrn_name[IFNAMSIZ]; /* if name, e.g. "en0" */ |
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| 141 | } ifr_ifrn; |
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| 142 | |
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| 143 | union { |
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| 144 | struct sockaddr ifru_addr; |
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| 145 | struct sockaddr ifru_dstaddr; |
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| 146 | struct sockaddr ifru_broadaddr; |
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| 147 | struct sockaddr ifru_netmask; |
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| 148 | struct sockaddr ifru_hwaddr; |
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| 149 | short ifru_flags; |
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| 150 | int ifru_ivalue; |
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| 151 | int ifru_mtu; |
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| 152 | struct ifmap ifru_map; |
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| 153 | char ifru_slave[IFNAMSIZ]; /* Just fits the size */ |
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| 154 | char ifru_newname[IFNAMSIZ]; |
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| 155 | char * ifru_data; |
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| 156 | struct if_settings ifru_settings; |
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| 157 | } ifr_ifru; |
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| 158 | }; |
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| 159 | |
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| 160 | #endif |
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| 161 | |
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| 162 | #define ifr_name ifr_ifrn.ifrn_name /* interface name */ |
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| 163 | #define ifr_hwaddr ifr_ifru.ifru_hwaddr /* MAC address */ |
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| 164 | #define ifr_addr ifr_ifru.ifru_addr /* address */ |
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| 165 | #define ifr_dstaddr ifr_ifru.ifru_dstaddr /* other end of p-p lnk */ |
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| 166 | #define ifr_broadaddr ifr_ifru.ifru_broadaddr /* broadcast address */ |
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| 167 | #define ifr_netmask ifr_ifru.ifru_netmask /* interface net mask */ |
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| 168 | #define ifr_flags ifr_ifru.ifru_flags /* flags */ |
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| 169 | #define ifr_metric ifr_ifru.ifru_ivalue /* metric */ |
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| 170 | #define ifr_mtu ifr_ifru.ifru_mtu /* mtu */ |
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| 171 | #define ifr_map ifr_ifru.ifru_map /* device map */ |
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| 172 | #define ifr_slave ifr_ifru.ifru_slave /* slave device */ |
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| 173 | #define ifr_data ifr_ifru.ifru_data /* for use by interface */ |
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| 174 | #define ifr_ifindex ifr_ifru.ifru_ivalue /* interface index */ |
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| 175 | #define ifr_bandwidth ifr_ifru.ifru_ivalue /* link bandwidth */ |
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| 176 | #define ifr_qlen ifr_ifru.ifru_ivalue /* Queue length */ |
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| 177 | #define ifr_newname ifr_ifru.ifru_newname /* New name */ |
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| 178 | #define ifr_settings ifr_ifru.ifru_settings /* Device/proto settings*/ |
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| 179 | |
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| 180 | /* |
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| 181 | * Structure used in SIOCGIFCONF request. |
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| 182 | * Used to retrieve interface configuration |
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| 183 | * for machine (useful for programs which |
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| 184 | * must know all networks accessible). |
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| 185 | */ |
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| 186 | |
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| 187 | #ifndef _NET_IF_H |
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| 188 | |
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| 189 | struct ifconf |
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| 190 | { |
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| 191 | int ifc_len; /* size of buffer */ |
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| 192 | union |
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| 193 | { |
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| 194 | char * ifcu_buf; |
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| 195 | struct ifreq *ifcu_req; |
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| 196 | } ifc_ifcu; |
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| 197 | }; |
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| 198 | |
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| 199 | #endif |
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| 200 | |
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| 201 | #define ifc_buf ifc_ifcu.ifcu_buf /* buffer address */ |
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| 202 | #define ifc_req ifc_ifcu.ifcu_req /* array of structures */ |
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| 203 | |
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| 204 | |
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| 205 | #endif /* _LINUX_IF_H */ |
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