if.h revision 159781
1139823Simp/*- 21541Srgrimes * Copyright (c) 1982, 1986, 1989, 1993 31541Srgrimes * The Regents of the University of California. All rights reserved. 41541Srgrimes * 51541Srgrimes * Redistribution and use in source and binary forms, with or without 61541Srgrimes * modification, are permitted provided that the following conditions 71541Srgrimes * are met: 81541Srgrimes * 1. Redistributions of source code must retain the above copyright 91541Srgrimes * notice, this list of conditions and the following disclaimer. 101541Srgrimes * 2. Redistributions in binary form must reproduce the above copyright 111541Srgrimes * notice, this list of conditions and the following disclaimer in the 121541Srgrimes * documentation and/or other materials provided with the distribution. 131541Srgrimes * 4. Neither the name of the University nor the names of its contributors 141541Srgrimes * may be used to endorse or promote products derived from this software 151541Srgrimes * without specific prior written permission. 161541Srgrimes * 171541Srgrimes * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 181541Srgrimes * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 191541Srgrimes * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 201541Srgrimes * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 211541Srgrimes * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 221541Srgrimes * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 231541Srgrimes * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 241541Srgrimes * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 251541Srgrimes * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 261541Srgrimes * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 271541Srgrimes * SUCH DAMAGE. 281541Srgrimes * 291541Srgrimes * @(#)if.h 8.1 (Berkeley) 6/10/93 3050477Speter * $FreeBSD: head/sys/net/if.h 159781 2006-06-19 22:20:45Z mlaier $ 311541Srgrimes */ 321541Srgrimes 332168Spaul#ifndef _NET_IF_H_ 344507Sbde#define _NET_IF_H_ 352168Spaul 36104355Smike#include <sys/cdefs.h> 37104355Smike 3897024Siedowse#ifdef _KERNEL 3979103Sbrooks#include <sys/queue.h> 4097024Siedowse#endif 4179103Sbrooks 42104355Smike#if __BSD_VISIBLE 431541Srgrimes/* 4434750Speter * <net/if.h> does not depend on <sys/time.h> on most other systems. This 4572093Sasmodai * helps userland compatibility. (struct timeval ifi_lastchange) 4634750Speter */ 4755205Speter#ifndef _KERNEL 4834750Speter#include <sys/time.h> 4934750Speter#endif 5034750Speter 5179103Sbrooksstruct ifnet; 52104355Smike#endif 5379103Sbrooks 5434750Speter/* 5579103Sbrooks * Length of interface external name, including terminating '\0'. 5679103Sbrooks * Note: this is the same size as a generic device's external name. 5779103Sbrooks */ 58104355Smike#define IF_NAMESIZE 16 59104355Smike#if __BSD_VISIBLE 60104355Smike#define IFNAMSIZ IF_NAMESIZE 61121816Sbrooks#define IF_MAXUNIT 0x7fff /* historical value */ 62104355Smike#endif 63104355Smike#if __BSD_VISIBLE 64104355Smike 6579103Sbrooks/* 6679103Sbrooks * Structure used to query names of interface cloners. 6779103Sbrooks */ 6879103Sbrooks 6979103Sbrooksstruct if_clonereq { 7079103Sbrooks int ifcr_total; /* total cloners (out) */ 7179103Sbrooks int ifcr_count; /* room for this many in user buffer */ 7279103Sbrooks char *ifcr_buffer; /* buffer for cloner names */ 7379103Sbrooks}; 7479103Sbrooks 7579103Sbrooks/* 7619079Sfenner * Structure describing information about an interface 7719079Sfenner * which may be of interest to management entities. 7819079Sfenner */ 799457Sjoergstruct if_data { 809457Sjoerg /* generic interface information */ 819457Sjoerg u_char ifi_type; /* ethernet, tokenring, etc */ 829457Sjoerg u_char ifi_physical; /* e.g., AUI, Thinnet, 10base-T, etc */ 839457Sjoerg u_char ifi_addrlen; /* media address length */ 849457Sjoerg u_char ifi_hdrlen; /* media header length */ 85128871Sandre u_char ifi_link_state; /* current link state */ 8617352Swollman u_char ifi_recvquota; /* polling quota for receive intrs */ 8717352Swollman u_char ifi_xmitquota; /* polling quota for xmit intrs */ 88134609Sbrooks u_char ifi_datalen; /* length of this data struct */ 899457Sjoerg u_long ifi_mtu; /* maximum transmission unit */ 909457Sjoerg u_long ifi_metric; /* routing metric (external only) */ 919457Sjoerg u_long ifi_baudrate; /* linespeed */ 929457Sjoerg /* volatile statistics */ 939457Sjoerg u_long ifi_ipackets; /* packets received on interface */ 949457Sjoerg u_long ifi_ierrors; /* input errors on interface */ 959457Sjoerg u_long ifi_opackets; /* packets sent on interface */ 969457Sjoerg u_long ifi_oerrors; /* output errors on interface */ 979457Sjoerg u_long ifi_collisions; /* collisions on csma interfaces */ 989457Sjoerg u_long ifi_ibytes; /* total number of octets received */ 999457Sjoerg u_long ifi_obytes; /* total number of octets sent */ 1009457Sjoerg u_long ifi_imcasts; /* packets received via multicast */ 1019457Sjoerg u_long ifi_omcasts; /* packets sent via multicast */ 1029457Sjoerg u_long ifi_iqdrops; /* dropped on input, this interface */ 1039457Sjoerg u_long ifi_noproto; /* destined for unsupported protocol */ 10458698Sjlemon u_long ifi_hwassist; /* HW offload capabilities */ 105142501Sbrooks time_t ifi_epoch; /* uptime at attach or stat reset */ 10616287Sgpalmer struct timeval ifi_lastchange; /* time of last administrative change */ 1079457Sjoerg}; 1089457Sjoerg 109148894Srwatson/*- 110148886Srwatson * Interface flags are of two types: network stack owned flags, and driver 111148886Srwatson * owned flags. Historically, these values were stored in the same ifnet 112148886Srwatson * flags field, but with the advent of fine-grained locking, they have been 113148886Srwatson * broken out such that the network stack is responsible for synchronizing 114148886Srwatson * the stack-owned fields, and the device driver the device-owned fields. 115148886Srwatson * Both halves can perform lockless reads of the other half's field, subject 116148886Srwatson * to accepting the involved races. 117148886Srwatson * 118148886Srwatson * Both sets of flags come from the same number space, and should not be 119148886Srwatson * permitted to conflict, as they are exposed to user space via a single 120148886Srwatson * field. 121148886Srwatson * 122148894Srwatson * The following symbols identify read and write requirements for fields: 123148894Srwatson * 124148894Srwatson * (i) if_flags field set by device driver before attach, read-only there 125148894Srwatson * after. 126148894Srwatson * (n) if_flags field written only by the network stack, read by either the 127148894Srwatson * stack or driver. 128148894Srwatson * (d) if_drv_flags field written only by the device driver, read by either 129148894Srwatson * the stack or driver. 130148886Srwatson */ 131148894Srwatson#define IFF_UP 0x1 /* (n) interface is up */ 132148894Srwatson#define IFF_BROADCAST 0x2 /* (i) broadcast address valid */ 133148894Srwatson#define IFF_DEBUG 0x4 /* (n) turn on debugging */ 134148894Srwatson#define IFF_LOOPBACK 0x8 /* (i) is a loopback net */ 135148894Srwatson#define IFF_POINTOPOINT 0x10 /* (i) is a point-to-point link */ 136148894Srwatson#define IFF_SMART 0x20 /* (i) interface manages own routes */ 137148894Srwatson#define IFF_DRV_RUNNING 0x40 /* (d) resources allocated */ 138148894Srwatson#define IFF_NOARP 0x80 /* (n) no address resolution protocol */ 139148894Srwatson#define IFF_PROMISC 0x100 /* (n) receive all packets */ 140148894Srwatson#define IFF_ALLMULTI 0x200 /* (n) receive all multicast packets */ 141148894Srwatson#define IFF_DRV_OACTIVE 0x400 /* (d) tx hardware queue is full */ 142148894Srwatson#define IFF_SIMPLEX 0x800 /* (i) can't hear own transmissions */ 1431541Srgrimes#define IFF_LINK0 0x1000 /* per link layer defined bit */ 1441541Srgrimes#define IFF_LINK1 0x2000 /* per link layer defined bit */ 1451541Srgrimes#define IFF_LINK2 0x4000 /* per link layer defined bit */ 1463274Swollman#define IFF_ALTPHYS IFF_LINK2 /* use alternate physical connection */ 147148894Srwatson#define IFF_MULTICAST 0x8000 /* (i) supports multicast */ 148150789Sglebius/* 0x10000 */ 149148894Srwatson#define IFF_PPROMISC 0x20000 /* (n) user-requested promisc mode */ 150148894Srwatson#define IFF_MONITOR 0x40000 /* (n) user-requested monitor mode */ 151148894Srwatson#define IFF_STATICARP 0x80000 /* (n) static ARP */ 152148894Srwatson#define IFF_NEEDSGIANT 0x100000 /* (i) hold Giant over if_start calls */ 15387902Sluigi 154148886Srwatson/* 155148886Srwatson * Old names for driver flags so that user space tools can continue to use 156148894Srwatson * the old (portable) names. 157148886Srwatson */ 158148886Srwatson#ifndef _KERNEL 159148886Srwatson#define IFF_RUNNING IFF_DRV_RUNNING 160148886Srwatson#define IFF_OACTIVE IFF_DRV_OACTIVE 161148886Srwatson#endif 162148886Srwatson 1631541Srgrimes/* flags set internally only: */ 1641541Srgrimes#define IFF_CANTCHANGE \ 165148886Srwatson (IFF_BROADCAST|IFF_POINTOPOINT|IFF_DRV_RUNNING|IFF_DRV_OACTIVE|\ 166150789Sglebius IFF_SIMPLEX|IFF_MULTICAST|IFF_ALLMULTI|IFF_SMART|IFF_PROMISC) 1671541Srgrimes 168106925Ssam/* 169128871Sandre * Values for if_link_state. 170128871Sandre */ 171128871Sandre#define LINK_STATE_UNKNOWN 0 /* link invalid/unknown */ 172128871Sandre#define LINK_STATE_DOWN 1 /* link is down */ 173128871Sandre#define LINK_STATE_UP 2 /* link is up */ 174128871Sandre 175128871Sandre/* 176106925Ssam * Some convenience macros used for setting ifi_baudrate. 177106925Ssam * XXX 1000 vs. 1024? --thorpej@netbsd.org 178106925Ssam */ 179106925Ssam#define IF_Kbps(x) ((x) * 1000) /* kilobits/sec. */ 180106925Ssam#define IF_Mbps(x) (IF_Kbps((x) * 1000)) /* megabits/sec. */ 181106925Ssam#define IF_Gbps(x) (IF_Mbps((x) * 1000)) /* gigabits/sec. */ 182106925Ssam 18383624Sjlemon/* Capabilities that interfaces can advertise. */ 18483636Sjlemon#define IFCAP_RXCSUM 0x0001 /* can offload checksum on RX */ 18583636Sjlemon#define IFCAP_TXCSUM 0x0002 /* can offload checksum on TX */ 18683636Sjlemon#define IFCAP_NETCONS 0x0004 /* can be a network console */ 187106925Ssam#define IFCAP_VLAN_MTU 0x0008 /* VLAN-compatible MTU */ 188106925Ssam#define IFCAP_VLAN_HWTAGGING 0x0010 /* hardware VLAN tag support */ 189106925Ssam#define IFCAP_JUMBO_MTU 0x0020 /* 9000 byte MTU supported */ 190128113Sru#define IFCAP_POLLING 0x0040 /* driver supports polling */ 191155051Sglebius#define IFCAP_VLAN_HWCSUM 0x0080 /* can do IFCAP_HWCSUM on VLANs */ 19283624Sjlemon 19383636Sjlemon#define IFCAP_HWCSUM (IFCAP_RXCSUM | IFCAP_TXCSUM) 19483636Sjlemon 1951541Srgrimes#define IFQ_MAXLEN 50 1961541Srgrimes#define IFNET_SLOWHZ 1 /* granularity is 1 second */ 1971541Srgrimes 1981541Srgrimes/* 1991541Srgrimes * Message format for use in obtaining information about interfaces 2001541Srgrimes * from getkerninfo and the routing socket 2011541Srgrimes */ 2021541Srgrimesstruct if_msghdr { 2031541Srgrimes u_short ifm_msglen; /* to skip over non-understood messages */ 20472093Sasmodai u_char ifm_version; /* future binary compatibility */ 2051541Srgrimes u_char ifm_type; /* message type */ 2061541Srgrimes int ifm_addrs; /* like rtm_addrs */ 2071541Srgrimes int ifm_flags; /* value of if_flags */ 2081541Srgrimes u_short ifm_index; /* index for associated ifp */ 2091541Srgrimes struct if_data ifm_data;/* statistics and other data about if */ 2101541Srgrimes}; 2111541Srgrimes 2121541Srgrimes/* 2131541Srgrimes * Message format for use in obtaining information about interface addresses 2141541Srgrimes * from getkerninfo and the routing socket 2151541Srgrimes */ 2161541Srgrimesstruct ifa_msghdr { 2171541Srgrimes u_short ifam_msglen; /* to skip over non-understood messages */ 21872093Sasmodai u_char ifam_version; /* future binary compatibility */ 2191541Srgrimes u_char ifam_type; /* message type */ 2201541Srgrimes int ifam_addrs; /* like rtm_addrs */ 2211541Srgrimes int ifam_flags; /* value of ifa_flags */ 2221541Srgrimes u_short ifam_index; /* index for associated ifp */ 2231541Srgrimes int ifam_metric; /* value of ifa_metric */ 2241541Srgrimes}; 2251541Srgrimes 2261541Srgrimes/* 22721666Swollman * Message format for use in obtaining information about multicast addresses 22821666Swollman * from the routing socket 22921666Swollman */ 23021666Swollmanstruct ifma_msghdr { 23121666Swollman u_short ifmam_msglen; /* to skip over non-understood messages */ 23272093Sasmodai u_char ifmam_version; /* future binary compatibility */ 23321666Swollman u_char ifmam_type; /* message type */ 23421666Swollman int ifmam_addrs; /* like rtm_addrs */ 23521666Swollman int ifmam_flags; /* value of ifa_flags */ 23621666Swollman u_short ifmam_index; /* index for associated ifp */ 23721666Swollman}; 23821666Swollman 23921666Swollman/* 24089498Sru * Message format announcing the arrival or departure of a network interface. 24189498Sru */ 24289498Srustruct if_announcemsghdr { 24389498Sru u_short ifan_msglen; /* to skip over non-understood messages */ 24489498Sru u_char ifan_version; /* future binary compatibility */ 24589498Sru u_char ifan_type; /* message type */ 24689498Sru u_short ifan_index; /* index for associated ifp */ 24789498Sru char ifan_name[IFNAMSIZ]; /* if name, e.g. "en0" */ 24889498Sru u_short ifan_what; /* what type of announcement */ 24989498Sru}; 25089498Sru 25189498Sru#define IFAN_ARRIVAL 0 /* interface arrival */ 25289498Sru#define IFAN_DEPARTURE 1 /* interface departure */ 25389498Sru 25489498Sru/* 2551541Srgrimes * Interface request structure used for socket 2561541Srgrimes * ioctl's. All interface ioctl's must have parameter 2571541Srgrimes * definitions which begin with ifr_name. The 2581541Srgrimes * remainder may be interface specific. 2591541Srgrimes */ 2601541Srgrimesstruct ifreq { 2611541Srgrimes char ifr_name[IFNAMSIZ]; /* if name, e.g. "en0" */ 2621541Srgrimes union { 2631541Srgrimes struct sockaddr ifru_addr; 2641541Srgrimes struct sockaddr ifru_dstaddr; 2651541Srgrimes struct sockaddr ifru_broadaddr; 26644144Sphk short ifru_flags[2]; 26785079Sjlemon short ifru_index; 2681541Srgrimes int ifru_metric; 2691941Sdg int ifru_mtu; 2705184Swollman int ifru_phys; 27125434Speter int ifru_media; 2721541Srgrimes caddr_t ifru_data; 27383624Sjlemon int ifru_cap[2]; 2741541Srgrimes } ifr_ifru; 2751541Srgrimes#define ifr_addr ifr_ifru.ifru_addr /* address */ 2761541Srgrimes#define ifr_dstaddr ifr_ifru.ifru_dstaddr /* other end of p-to-p link */ 2771541Srgrimes#define ifr_broadaddr ifr_ifru.ifru_broadaddr /* broadcast address */ 278102052Ssobomax#define ifr_flags ifr_ifru.ifru_flags[0] /* flags (low 16 bits) */ 279102052Ssobomax#define ifr_flagshigh ifr_ifru.ifru_flags[1] /* flags (high 16 bits) */ 2801541Srgrimes#define ifr_metric ifr_ifru.ifru_metric /* metric */ 2811941Sdg#define ifr_mtu ifr_ifru.ifru_mtu /* mtu */ 2825187Sdg#define ifr_phys ifr_ifru.ifru_phys /* physical wire */ 28325434Speter#define ifr_media ifr_ifru.ifru_media /* physical media */ 2841541Srgrimes#define ifr_data ifr_ifru.ifru_data /* for use by interface */ 28583624Sjlemon#define ifr_reqcap ifr_ifru.ifru_cap[0] /* requested capabilities */ 28683624Sjlemon#define ifr_curcap ifr_ifru.ifru_cap[1] /* current capabilities */ 28785079Sjlemon#define ifr_index ifr_ifru.ifru_index /* interface index */ 2881541Srgrimes}; 2891541Srgrimes 29032491Swollman#define _SIZEOF_ADDR_IFREQ(ifr) \ 29132491Swollman ((ifr).ifr_addr.sa_len > sizeof(struct sockaddr) ? \ 29232491Swollman (sizeof(struct ifreq) - sizeof(struct sockaddr) + \ 29332491Swollman (ifr).ifr_addr.sa_len) : sizeof(struct ifreq)) 29432491Swollman 2951541Srgrimesstruct ifaliasreq { 2961541Srgrimes char ifra_name[IFNAMSIZ]; /* if name, e.g. "en0" */ 2971541Srgrimes struct sockaddr ifra_addr; 2981541Srgrimes struct sockaddr ifra_broadaddr; 2991541Srgrimes struct sockaddr ifra_mask; 3001541Srgrimes}; 3011541Srgrimes 30225434Speterstruct ifmediareq { 30325434Speter char ifm_name[IFNAMSIZ]; /* if name, e.g. "en0" */ 30425434Speter int ifm_current; /* current media options */ 30525434Speter int ifm_mask; /* don't care mask */ 30625434Speter int ifm_status; /* media status */ 30725434Speter int ifm_active; /* active options */ 30825434Speter int ifm_count; /* # entries in ifm_ulist array */ 30925434Speter int *ifm_ulist; /* media words */ 31025434Speter}; 31148021Sphk 312146986Sthompsastruct ifdrv { 313146986Sthompsa char ifd_name[IFNAMSIZ]; /* if name, e.g. "en0" */ 314146986Sthompsa unsigned long ifd_cmd; 315146986Sthompsa size_t ifd_len; 316146986Sthompsa void *ifd_data; 317146986Sthompsa}; 318146986Sthompsa 31948021Sphk/* 32048021Sphk * Structure used to retrieve aux status data from interfaces. 32148589Sbde * Kernel suppliers to this interface should respect the formatting 32248021Sphk * needed by ifconfig(8): each line starts with a TAB and ends with 32348589Sbde * a newline. The canonical example to copy and paste is in if_tun.c. 32448021Sphk */ 32548021Sphk 32648589Sbde#define IFSTATMAX 800 /* 10 lines of text */ 32748021Sphkstruct ifstat { 32848589Sbde char ifs_name[IFNAMSIZ]; /* if name, e.g. "en0" */ 32948589Sbde char ascii[IFSTATMAX + 1]; 33048021Sphk}; 33148021Sphk 3321541Srgrimes/* 3331541Srgrimes * Structure used in SIOCGIFCONF request. 3341541Srgrimes * Used to retrieve interface configuration 3351541Srgrimes * for machine (useful for programs which 3361541Srgrimes * must know all networks accessible). 3371541Srgrimes */ 3381541Srgrimesstruct ifconf { 3391541Srgrimes int ifc_len; /* size of associated buffer */ 3401541Srgrimes union { 3411541Srgrimes caddr_t ifcu_buf; 3421541Srgrimes struct ifreq *ifcu_req; 3431541Srgrimes } ifc_ifcu; 3441541Srgrimes#define ifc_buf ifc_ifcu.ifcu_buf /* buffer address */ 3451541Srgrimes#define ifc_req ifc_ifcu.ifcu_req /* array of structures returned */ 3461541Srgrimes}; 3471541Srgrimes 348155224Sps#if defined (__amd64__) || defined (COMPAT_32BIT) 349155224Spsstruct ifconf32 { 350155224Sps int ifc_len; /* size of associated buffer */ 351155224Sps union { 352155224Sps u_int ifcu_buf; 353155224Sps u_int ifcu_req; 354155224Sps } ifc_ifcu; 355155224Sps}; 356155224Sps#endif 35752904Sshin 35852904Sshin/* 359159781Smlaier * interface groups 360159781Smlaier */ 361159781Smlaier 362159781Smlaier#define IFG_ALL "all" /* group contains all interfaces */ 363159781Smlaier/* XXX: will we implement this? */ 364159781Smlaier#define IFG_EGRESS "egress" /* if(s) default route(s) point to */ 365159781Smlaier 366159781Smlaierstruct ifg_req { 367159781Smlaier union { 368159781Smlaier char ifgrqu_group[IFNAMSIZ]; 369159781Smlaier char ifgrqu_member[IFNAMSIZ]; 370159781Smlaier } ifgrq_ifgrqu; 371159781Smlaier#define ifgrq_group ifgrq_ifgrqu.ifgrqu_group 372159781Smlaier#define ifgrq_member ifgrq_ifgrqu.ifgrqu_member 373159781Smlaier}; 374159781Smlaier 375159781Smlaier/* 376159781Smlaier * Used to lookup groups for an interface 377159781Smlaier */ 378159781Smlaierstruct ifgroupreq { 379159781Smlaier char ifgr_name[IFNAMSIZ]; 380159781Smlaier u_int ifgr_len; 381159781Smlaier union { 382159781Smlaier char ifgru_group[IFNAMSIZ]; 383159781Smlaier struct ifg_req *ifgru_groups; 384159781Smlaier } ifgr_ifgru; 385159781Smlaier#define ifgr_group ifgr_ifgru.ifgru_group 386159781Smlaier#define ifgr_groups ifgr_ifgru.ifgru_groups 387159781Smlaier}; 388159781Smlaier 389159781Smlaier/* 39052904Sshin * Structure for SIOC[AGD]LIFADDR 39152904Sshin */ 39252904Sshinstruct if_laddrreq { 39352904Sshin char iflr_name[IFNAMSIZ]; 39452904Sshin u_int flags; 39552904Sshin#define IFLR_PREFIX 0x8000 /* in: prefix given out: kernel fills id */ 39652904Sshin u_int prefixlen; /* in/out */ 39752904Sshin struct sockaddr_storage addr; /* in/out */ 39852904Sshin struct sockaddr_storage dstaddr; /* out */ 39952904Sshin}; 40052904Sshin 401104355Smike#endif /* __BSD_VISIBLE */ 402104355Smike 40355205Speter#ifdef _KERNEL 40430354Sphk#ifdef MALLOC_DECLARE 40530354SphkMALLOC_DECLARE(M_IFADDR); 40630354SphkMALLOC_DECLARE(M_IFMADDR); 40730354Sphk#endif 40830354Sphk#endif 40930354Sphk 41055205Speter#ifndef _KERNEL 41152904Sshinstruct if_nameindex { 412104355Smike unsigned int if_index; /* 1, 2, ... */ 413104360Smike char *if_name; /* null terminated name: "le0", ... */ 41452904Sshin}; 41552904Sshin 41652904Sshin__BEGIN_DECLS 417104360Smikevoid if_freenameindex(struct if_nameindex *); 418104360Smikechar *if_indextoname(unsigned int, char *); 419104360Smikestruct if_nameindex *if_nameindex(void); 420104360Smikeunsigned int if_nametoindex(const char *); 42152904Sshin__END_DECLS 42252904Sshin#endif 42352904Sshin 42455205Speter#ifdef _KERNEL 42583366Sjulianstruct thread; 42648589Sbde 42748589Sbde/* XXX - this should go away soon. */ 42821259Swollman#include <net/if_var.h> 4291541Srgrimes#endif 4301541Srgrimes 4314507Sbde#endif /* !_NET_IF_H_ */ 432