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 #define IFNAMSIZ 16 23 #define IFALIASZ 256 24 25 /* Standard interface flags (netdevice->flags). */ 26 #define IFF_UP 0x1 /* interface is up */ 27 #define IFF_BROADCAST 0x2 /* broadcast address valid */ 28 #define IFF_DEBUG 0x4 /* turn on debugging */ 29 #define IFF_LOOPBACK 0x8 /* is a loopback net */ 30 #define IFF_POINTOPOINT 0x10 /* interface is has p-p link */ 31 #define IFF_NOTRAILERS 0x20 /* avoid use of trailers */ 32 #define IFF_RUNNING 0x40 /* interface RFC2863 OPER_UP */ 33 #define IFF_NOARP 0x80 /* no ARP protocol */ 34 #define IFF_PROMISC 0x100 /* receive all packets */ 35 #define IFF_ALLMULTI 0x200 /* receive all multicast packets*/ 36 37 #define IFF_MASTER 0x400 /* master of a load balancer */ 38 #define IFF_SLAVE 0x800 /* slave of a load balancer */ 39 40 #define IFF_MULTICAST 0x1000 /* Supports multicast */ 41 42 #define IFF_PORTSEL 0x2000 /* can set media type */ 43 #define IFF_AUTOMEDIA 0x4000 /* auto media select active */ 44 #define IFF_DYNAMIC 0x8000 /* dialup device with changing addresses*/ 45 46 #define IFF_LOWER_UP 0x10000 /* driver signals L1 up */ 47 #define IFF_DORMANT 0x20000 /* driver signals dormant */ 48 49 #define IFF_ECHO 0x40000 /* echo sent packets */ 50 51 #define IFF_VOLATILE (IFF_LOOPBACK|IFF_POINTOPOINT|IFF_BROADCAST|IFF_ECHO|\ 52 IFF_MASTER|IFF_SLAVE|IFF_RUNNING|IFF_LOWER_UP|IFF_DORMANT) 53 54 /* Private (from user) interface flags (netdevice->priv_flags). */ 55 #define IFF_802_1Q_VLAN 0x1 /* 802.1Q VLAN device. */ 56 #define IFF_EBRIDGE 0x2 /* Ethernet bridging device. */ 57 #define IFF_SLAVE_INACTIVE 0x4 /* bonding slave not the curr. active */ 58 #define IFF_MASTER_8023AD 0x8 /* bonding master, 802.3ad. */ 59 #define IFF_MASTER_ALB 0x10 /* bonding master, balance-alb. */ 60 #define IFF_BONDING 0x20 /* bonding master or slave */ 61 #define IFF_SLAVE_NEEDARP 0x40 /* need ARPs for validation */ 62 #define IFF_ISATAP 0x80 /* ISATAP interface (RFC4214) */ 63 #define IFF_MASTER_ARPMON 0x100 /* bonding master, ARP mon in use */ 64 #define IFF_WAN_HDLC 0x200 /* WAN HDLC device */ 65 #define IFF_XMIT_DST_RELEASE 0x400 /* dev_hard_start_xmit() is allowed to 66 * release skb->dst 67 */ 68 #define IFF_DONT_BRIDGE 0x800 /* disallow bridging this ether dev */ 69 #define IFF_IN_NETPOLL 0x1000 /* whether we are processing netpoll */ 70 #define IFF_DISABLE_NETPOLL 0x2000 /* disable netpoll at run-time */ 71 #define IFF_MACVLAN_PORT 0x4000 /* device used as macvlan port */ 72 #define IFF_BRIDGE_PORT 0x8000 /* device used as bridge port */ 73 #define IFF_OVS_DATAPATH 0x10000 /* device used as Open vSwitch 74 * datapath port */ 75 76 #define IF_GET_IFACE 0x0001 /* for querying only */ 77 #define IF_GET_PROTO 0x0002 78 79 /* For definitions see hdlc.h */ 80 #define IF_IFACE_V35 0x1000 /* V.35 serial interface */ 81 #define IF_IFACE_V24 0x1001 /* V.24 serial interface */ 82 #define IF_IFACE_X21 0x1002 /* X.21 serial interface */ 83 #define IF_IFACE_T1 0x1003 /* T1 telco serial interface */ 84 #define IF_IFACE_E1 0x1004 /* E1 telco serial interface */ 85 #define IF_IFACE_SYNC_SERIAL 0x1005 /* can't be set by software */ 86 #define IF_IFACE_X21D 0x1006 /* X.21 Dual Clocking (FarSite) */ 87 88 /* For definitions see hdlc.h */ 89 #define IF_PROTO_HDLC 0x2000 /* raw HDLC protocol */ 90 #define IF_PROTO_PPP 0x2001 /* PPP protocol */ 91 #define IF_PROTO_CISCO 0x2002 /* Cisco HDLC protocol */ 92 #define IF_PROTO_FR 0x2003 /* Frame Relay protocol */ 93 #define IF_PROTO_FR_ADD_PVC 0x2004 /* Create FR PVC */ 94 #define IF_PROTO_FR_DEL_PVC 0x2005 /* Delete FR PVC */ 95 #define IF_PROTO_X25 0x2006 /* X.25 */ 96 #define IF_PROTO_HDLC_ETH 0x2007 /* raw HDLC, Ethernet emulation */ 97 #define IF_PROTO_FR_ADD_ETH_PVC 0x2008 /* Create FR Ethernet-bridged PVC */ 98 #define IF_PROTO_FR_DEL_ETH_PVC 0x2009 /* Delete FR Ethernet-bridged PVC */ 99 #define IF_PROTO_FR_PVC 0x200A /* for reading PVC status */ 100 #define IF_PROTO_FR_ETH_PVC 0x200B 101 #define IF_PROTO_RAW 0x200C /* RAW Socket */ 102 103 /* RFC 2863 operational status */ 104 enum { 105 IF_OPER_UNKNOWN, 106 IF_OPER_NOTPRESENT, 107 IF_OPER_DOWN, 108 IF_OPER_LOWERLAYERDOWN, 109 IF_OPER_TESTING, 110 IF_OPER_DORMANT, 111 IF_OPER_UP, 112 }; 113 114 /* link modes */ 115 enum { 116 IF_LINK_MODE_DEFAULT, 117 IF_LINK_MODE_DORMANT, /* limit upward transition to dormant */ 118 }; 119 120 /* carrier state */ 121 enum { 122 IF_CARRIER_DOWN, 123 IF_CARRIER_UP 124 }; 125 126 /* 127 * Device mapping structure. I'd just gone off and designed a 128 * beautiful scheme using only loadable modules with arguments 129 * for driver options and along come the PCMCIA people 8) 130 * 131 * Ah well. The get() side of this is good for WDSETUP, and it'll 132 * be handy for debugging things. The set side is fine for now and 133 * being very small might be worth keeping for clean configuration. 134 */ 135 136 struct ifmap { 137 unsigned long mem_start; 138 unsigned long mem_end; 139 unsigned short base_addr; 140 unsigned char irq; 141 unsigned char dma; 142 unsigned char port; 143 /* 3 bytes spare */ 144 }; 145 146 #endif /* _LINUX_IF_H */ 147