/* * INET An implementation of the TCP/IP protocol suite for the LINUX * operating system. INET is implemented using the BSD Socket * interface as the means of communication with the user level. * * Global definitions for the INET interface module. * * Version: @(#)if.h 1.0.2 04/18/93 * * Authors: Original taken from Berkeley UNIX 4.3, (c) UCB 1982-1988 * Ross Biro * Fred N. van Kempen, * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version * 2 of the License, or (at your option) any later version. */ #ifndef _LINUX_IF_H #define _LINUX_IF_H #include /* for "__kernel_caddr_t" et al */ #include /* for "struct sockaddr" et al */ /* for "__user" et al */ #define IFNAMSIZ 16 #define IFALIASZ 256 #include /* Standard interface flags (netdevice->flags). */ #define IFF_UP 0x1 /* interface is up */ #define IFF_BROADCAST 0x2 /* broadcast address valid */ #define IFF_DEBUG 0x4 /* turn on debugging */ #define IFF_LOOPBACK 0x8 /* is a loopback net */ #define IFF_POINTOPOINT 0x10 /* interface is has p-p link */ #define IFF_NOTRAILERS 0x20 /* avoid use of trailers */ #define IFF_RUNNING 0x40 /* interface RFC2863 OPER_UP */ #define IFF_NOARP 0x80 /* no ARP protocol */ #define IFF_PROMISC 0x100 /* receive all packets */ #define IFF_ALLMULTI 0x200 /* receive all multicast packets*/ #define IFF_MASTER 0x400 /* master of a load balancer */ #define IFF_SLAVE 0x800 /* slave of a load balancer */ #define IFF_MULTICAST 0x1000 /* Supports multicast */ #define IFF_PORTSEL 0x2000 /* can set media type */ #define IFF_AUTOMEDIA 0x4000 /* auto media select active */ #define IFF_DYNAMIC 0x8000 /* dialup device with changing addresses*/ #define IFF_LOWER_UP 0x10000 /* driver signals L1 up */ #define IFF_DORMANT 0x20000 /* driver signals dormant */ #define IFF_ECHO 0x40000 /* echo sent packets */ #define IFF_VOLATILE (IFF_LOOPBACK|IFF_POINTOPOINT|IFF_BROADCAST|IFF_ECHO|\ IFF_MASTER|IFF_SLAVE|IFF_RUNNING|IFF_LOWER_UP|IFF_DORMANT) /* Private (from user) interface flags (netdevice->priv_flags). */ #define IFF_802_1Q_VLAN 0x1 /* 802.1Q VLAN device. */ #define IFF_EBRIDGE 0x2 /* Ethernet bridging device. */ #define IFF_SLAVE_INACTIVE 0x4 /* bonding slave not the curr. active */ #define IFF_MASTER_8023AD 0x8 /* bonding master, 802.3ad. */ #define IFF_MASTER_ALB 0x10 /* bonding master, balance-alb. */ #define IFF_BONDING 0x20 /* bonding master or slave */ #define IFF_SLAVE_NEEDARP 0x40 /* need ARPs for validation */ #define IFF_ISATAP 0x80 /* ISATAP interface (RFC4214) */ #define IFF_MASTER_ARPMON 0x100 /* bonding master, ARP mon in use */ #define IFF_WAN_HDLC 0x200 /* WAN HDLC device */ #define IFF_XMIT_DST_RELEASE 0x400 /* dev_hard_start_xmit() is allowed to * release skb->dst */ #define IFF_DONT_BRIDGE 0x800 /* disallow bridging this ether dev */ #define IFF_DISABLE_NETPOLL 0x1000 /* disable netpoll at run-time */ #define IFF_MACVLAN_PORT 0x2000 /* device used as macvlan port */ #define IFF_BRIDGE_PORT 0x4000 /* device used as bridge port */ #define IFF_OVS_DATAPATH 0x8000 /* device used as Open vSwitch * datapath port */ #define IFF_TX_SKB_SHARING 0x10000 /* The interface supports sharing * skbs on transmit */ #define IFF_UNICAST_FLT 0x20000 /* Supports unicast filtering */ #define IFF_TEAM_PORT 0x40000 /* device used as team port */ #define IFF_SUPP_NOFCS 0x80000 /* device supports sending custom FCS */ #define IFF_LIVE_ADDR_CHANGE 0x100000 /* device supports hardware address * change when it's running */ #define IF_GET_IFACE 0x0001 /* for querying only */ #define IF_GET_PROTO 0x0002 /* For definitions see hdlc.h */ #define IF_IFACE_V35 0x1000 /* V.35 serial interface */ #define IF_IFACE_V24 0x1001 /* V.24 serial interface */ #define IF_IFACE_X21 0x1002 /* X.21 serial interface */ #define IF_IFACE_T1 0x1003 /* T1 telco serial interface */ #define IF_IFACE_E1 0x1004 /* E1 telco serial interface */ #define IF_IFACE_SYNC_SERIAL 0x1005 /* can't be set by software */ #define IF_IFACE_X21D 0x1006 /* X.21 Dual Clocking (FarSite) */ /* For definitions see hdlc.h */ #define IF_PROTO_HDLC 0x2000 /* raw HDLC protocol */ #define IF_PROTO_PPP 0x2001 /* PPP protocol */ #define IF_PROTO_CISCO 0x2002 /* Cisco HDLC protocol */ #define IF_PROTO_FR 0x2003 /* Frame Relay protocol */ #define IF_PROTO_FR_ADD_PVC 0x2004 /* Create FR PVC */ #define IF_PROTO_FR_DEL_PVC 0x2005 /* Delete FR PVC */ #define IF_PROTO_X25 0x2006 /* X.25 */ #define IF_PROTO_HDLC_ETH 0x2007 /* raw HDLC, Ethernet emulation */ #define IF_PROTO_FR_ADD_ETH_PVC 0x2008 /* Create FR Ethernet-bridged PVC */ #define IF_PROTO_FR_DEL_ETH_PVC 0x2009 /* Delete FR Ethernet-bridged PVC */ #define IF_PROTO_FR_PVC 0x200A /* for reading PVC status */ #define IF_PROTO_FR_ETH_PVC 0x200B #define IF_PROTO_RAW 0x200C /* RAW Socket */ /* RFC 2863 operational status */ enum { IF_OPER_UNKNOWN, IF_OPER_NOTPRESENT, IF_OPER_DOWN, IF_OPER_LOWERLAYERDOWN, IF_OPER_TESTING, IF_OPER_DORMANT, IF_OPER_UP, }; /* link modes */ enum { IF_LINK_MODE_DEFAULT, IF_LINK_MODE_DORMANT, /* limit upward transition to dormant */ }; /* * Device mapping structure. I'd just gone off and designed a * beautiful scheme using only loadable modules with arguments * for driver options and along come the PCMCIA people 8) * * Ah well. The get() side of this is good for WDSETUP, and it'll * be handy for debugging things. The set side is fine for now and * being very small might be worth keeping for clean configuration. */ struct ifmap { unsigned long mem_start; unsigned long mem_end; unsigned short base_addr; unsigned char irq; unsigned char dma; unsigned char port; /* 3 bytes spare */ }; struct if_settings { unsigned int type; /* Type of physical device or protocol */ unsigned int size; /* Size of the data allocated by the caller */ union { /* {atm/eth/dsl}_settings anyone ? */ raw_hdlc_proto *raw_hdlc; cisco_proto *cisco; fr_proto *fr; fr_proto_pvc *fr_pvc; fr_proto_pvc_info *fr_pvc_info; /* interface settings */ sync_serial_settings *sync; te1_settings *te1; } ifs_ifsu; }; /* * Interface request structure used for socket * ioctl's. All interface ioctl's must have parameter * definitions which begin with ifr_name. The * remainder may be interface specific. */ struct ifreq { #define IFHWADDRLEN 6 union { char ifrn_name[IFNAMSIZ]; /* if name, e.g. "en0" */ } ifr_ifrn; union { struct sockaddr ifru_addr; struct sockaddr ifru_dstaddr; struct sockaddr ifru_broadaddr; struct sockaddr ifru_netmask; struct sockaddr ifru_hwaddr; short ifru_flags; int ifru_ivalue; int ifru_mtu; struct ifmap ifru_map; char ifru_slave[IFNAMSIZ]; /* Just fits the size */ char ifru_newname[IFNAMSIZ]; void * ifru_data; struct if_settings ifru_settings; } ifr_ifru; }; #define ifr_name ifr_ifrn.ifrn_name /* interface name */ #define ifr_hwaddr ifr_ifru.ifru_hwaddr /* MAC address */ #define ifr_addr ifr_ifru.ifru_addr /* address */ #define ifr_dstaddr ifr_ifru.ifru_dstaddr /* other end of p-p lnk */ #define ifr_broadaddr ifr_ifru.ifru_broadaddr /* broadcast address */ #define ifr_netmask ifr_ifru.ifru_netmask /* interface net mask */ #define ifr_flags ifr_ifru.ifru_flags /* flags */ #define ifr_metric ifr_ifru.ifru_ivalue /* metric */ #define ifr_mtu ifr_ifru.ifru_mtu /* mtu */ #define ifr_map ifr_ifru.ifru_map /* device map */ #define ifr_slave ifr_ifru.ifru_slave /* slave device */ #define ifr_data ifr_ifru.ifru_data /* for use by interface */ #define ifr_ifindex ifr_ifru.ifru_ivalue /* interface index */ #define ifr_bandwidth ifr_ifru.ifru_ivalue /* link bandwidth */ #define ifr_qlen ifr_ifru.ifru_ivalue /* Queue length */ #define ifr_newname ifr_ifru.ifru_newname /* New name */ #define ifr_settings ifr_ifru.ifru_settings /* Device/proto settings*/ /* * Structure used in SIOCGIFCONF request. * Used to retrieve interface configuration * for machine (useful for programs which * must know all networks accessible). */ struct ifconf { int ifc_len; /* size of buffer */ union { char *ifcu_buf; struct ifreq *ifcu_req; } ifc_ifcu; }; #define ifc_buf ifc_ifcu.ifcu_buf /* buffer address */ #define ifc_req ifc_ifcu.ifcu_req /* array of structures */ #endif /* _LINUX_IF_H */