if.h revision 223735
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 223735 2011-07-03 12:22:02Z bz $ 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 */ 86169614Sbrooks u_char ifi_spare_char1; /* spare byte */ 87169614Sbrooks u_char ifi_spare_char2; /* spare byte */ 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 */ 104162070Sandre u_long ifi_hwassist; /* HW offload capabilities, see IFCAP */ 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 */ 148216267Sweongyo#define IFF_CANTCONFIG 0x10000 /* (i) unconfigurable using ioctl(2) */ 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 */ 152191416Srwatson#define IFF_DYING 0x200000 /* (n) interface is winding down */ 153201196Sjhb#define IFF_RENAMING 0x400000 /* (n) interface is being renamed */ 15487902Sluigi 155148886Srwatson/* 156148886Srwatson * Old names for driver flags so that user space tools can continue to use 157148894Srwatson * the old (portable) names. 158148886Srwatson */ 159148886Srwatson#ifndef _KERNEL 160148886Srwatson#define IFF_RUNNING IFF_DRV_RUNNING 161148886Srwatson#define IFF_OACTIVE IFF_DRV_OACTIVE 162148886Srwatson#endif 163148886Srwatson 1641541Srgrimes/* flags set internally only: */ 1651541Srgrimes#define IFF_CANTCHANGE \ 166148886Srwatson (IFF_BROADCAST|IFF_POINTOPOINT|IFF_DRV_RUNNING|IFF_DRV_OACTIVE|\ 167191416Srwatson IFF_SIMPLEX|IFF_MULTICAST|IFF_ALLMULTI|IFF_SMART|IFF_PROMISC|\ 168216268Sweongyo IFF_DYING|IFF_CANTCONFIG) 1691541Srgrimes 170106925Ssam/* 171128871Sandre * Values for if_link_state. 172128871Sandre */ 173128871Sandre#define LINK_STATE_UNKNOWN 0 /* link invalid/unknown */ 174128871Sandre#define LINK_STATE_DOWN 1 /* link is down */ 175128871Sandre#define LINK_STATE_UP 2 /* link is up */ 176128871Sandre 177128871Sandre/* 178106925Ssam * Some convenience macros used for setting ifi_baudrate. 179106925Ssam * XXX 1000 vs. 1024? --thorpej@netbsd.org 180106925Ssam */ 181106925Ssam#define IF_Kbps(x) ((x) * 1000) /* kilobits/sec. */ 182106925Ssam#define IF_Mbps(x) (IF_Kbps((x) * 1000)) /* megabits/sec. */ 183106925Ssam#define IF_Gbps(x) (IF_Mbps((x) * 1000)) /* gigabits/sec. */ 184106925Ssam 185162070Sandre/* 186162070Sandre * Capabilities that interfaces can advertise. 187162070Sandre * 188162070Sandre * struct ifnet.if_capabilities 189162070Sandre * contains the optional features & capabilities a particular interface 190162070Sandre * supports (not only the driver but also the detected hw revision). 191162070Sandre * Capabilities are defined by IFCAP_* below. 192169207Syar * struct ifnet.if_capenable 193162070Sandre * contains the enabled (either by default or through ifconfig) optional 194162070Sandre * features & capabilities on this interface. 195162070Sandre * Capabilities are defined by IFCAP_* below. 196162070Sandre * struct if_data.ifi_hwassist in mbuf CSUM_ flag form, controlled by above 197162070Sandre * contains the enabled optional feature & capabilites that can be used 198162070Sandre * individually per packet and are specified in the mbuf pkthdr.csum_flags 199162070Sandre * field. IFCAP_* and CSUM_* do not match one to one and CSUM_* may be 200169207Syar * more detailed or differenciated than IFCAP_*. 201162070Sandre * Hwassist features are defined CSUM_* in sys/mbuf.h 202223078Sluigi * 203223078Sluigi * Capabilities that cannot be arbitrarily changed with ifconfig/ioctl 204223078Sluigi * are listed in IFCAP_CANTCHANGE, similar to IFF_CANTCHANGE. 205223078Sluigi * This is not strictly necessary because the common code never 206223078Sluigi * changes capabilities, and it is left to the individual driver 207223078Sluigi * to do the right thing. However, having the filter here 208223078Sluigi * avoids replication of the same code in all individual drivers. 209162070Sandre */ 210182413Sjfv#define IFCAP_RXCSUM 0x00001 /* can offload checksum on RX */ 211182413Sjfv#define IFCAP_TXCSUM 0x00002 /* can offload checksum on TX */ 212182413Sjfv#define IFCAP_NETCONS 0x00004 /* can be a network console */ 213182413Sjfv#define IFCAP_VLAN_MTU 0x00008 /* VLAN-compatible MTU */ 214182413Sjfv#define IFCAP_VLAN_HWTAGGING 0x00010 /* hardware VLAN tag support */ 215182413Sjfv#define IFCAP_JUMBO_MTU 0x00020 /* 9000 byte MTU supported */ 216182413Sjfv#define IFCAP_POLLING 0x00040 /* driver supports polling */ 217182413Sjfv#define IFCAP_VLAN_HWCSUM 0x00080 /* can do IFCAP_HWCSUM on VLANs */ 218182413Sjfv#define IFCAP_TSO4 0x00100 /* can do TCP Segmentation Offload */ 219182413Sjfv#define IFCAP_TSO6 0x00200 /* can do TCP6 Segmentation Offload */ 220182413Sjfv#define IFCAP_LRO 0x00400 /* can do Large Receive Offload */ 221182413Sjfv#define IFCAP_WOL_UCAST 0x00800 /* wake on any unicast frame */ 222182413Sjfv#define IFCAP_WOL_MCAST 0x01000 /* wake on any multicast frame */ 223182413Sjfv#define IFCAP_WOL_MAGIC 0x02000 /* wake on any Magic Packet */ 224182413Sjfv#define IFCAP_TOE4 0x04000 /* interface can offload TCP */ 225182413Sjfv#define IFCAP_TOE6 0x08000 /* interface can offload TCP6 */ 226182413Sjfv#define IFCAP_VLAN_HWFILTER 0x10000 /* interface hw can filter vlan tag */ 227193096Sattilio#define IFCAP_POLLING_NOCOUNT 0x20000 /* polling ticks cannot be fragmented */ 228204149Syongari#define IFCAP_VLAN_HWTSO 0x40000 /* can do IFCAP_TSO on VLANs */ 229205222Sqingli#define IFCAP_LINKSTATE 0x80000 /* the runtime link state is dynamic */ 230223078Sluigi#define IFCAP_NETMAP 0x100000 /* netmap mode supported/enabled */ 23183624Sjlemon 232174505Ssam#define IFCAP_HWCSUM (IFCAP_RXCSUM | IFCAP_TXCSUM) 233174505Ssam#define IFCAP_TSO (IFCAP_TSO4 | IFCAP_TSO6) 234174505Ssam#define IFCAP_WOL (IFCAP_WOL_UCAST | IFCAP_WOL_MCAST | IFCAP_WOL_MAGIC) 235174628Skmacy#define IFCAP_TOE (IFCAP_TOE4 | IFCAP_TOE6) 23683636Sjlemon 237223078Sluigi#define IFCAP_CANTCHANGE (IFCAP_NETMAP) 238223078Sluigi 2391541Srgrimes#define IFQ_MAXLEN 50 2401541Srgrimes#define IFNET_SLOWHZ 1 /* granularity is 1 second */ 2411541Srgrimes 2421541Srgrimes/* 2431541Srgrimes * Message format for use in obtaining information about interfaces 2441541Srgrimes * from getkerninfo and the routing socket 2451541Srgrimes */ 2461541Srgrimesstruct if_msghdr { 2471541Srgrimes u_short ifm_msglen; /* to skip over non-understood messages */ 24872093Sasmodai u_char ifm_version; /* future binary compatibility */ 2491541Srgrimes u_char ifm_type; /* message type */ 2501541Srgrimes int ifm_addrs; /* like rtm_addrs */ 2511541Srgrimes int ifm_flags; /* value of if_flags */ 2521541Srgrimes u_short ifm_index; /* index for associated ifp */ 2531541Srgrimes struct if_data ifm_data;/* statistics and other data about if */ 2541541Srgrimes}; 2551541Srgrimes 2561541Srgrimes/* 2571541Srgrimes * Message format for use in obtaining information about interface addresses 2581541Srgrimes * from getkerninfo and the routing socket 2591541Srgrimes */ 2601541Srgrimesstruct ifa_msghdr { 2611541Srgrimes u_short ifam_msglen; /* to skip over non-understood messages */ 26272093Sasmodai u_char ifam_version; /* future binary compatibility */ 2631541Srgrimes u_char ifam_type; /* message type */ 2641541Srgrimes int ifam_addrs; /* like rtm_addrs */ 2651541Srgrimes int ifam_flags; /* value of ifa_flags */ 2661541Srgrimes u_short ifam_index; /* index for associated ifp */ 2671541Srgrimes int ifam_metric; /* value of ifa_metric */ 2681541Srgrimes}; 2691541Srgrimes 2701541Srgrimes/* 27121666Swollman * Message format for use in obtaining information about multicast addresses 27221666Swollman * from the routing socket 27321666Swollman */ 27421666Swollmanstruct ifma_msghdr { 27521666Swollman u_short ifmam_msglen; /* to skip over non-understood messages */ 27672093Sasmodai u_char ifmam_version; /* future binary compatibility */ 27721666Swollman u_char ifmam_type; /* message type */ 27821666Swollman int ifmam_addrs; /* like rtm_addrs */ 27921666Swollman int ifmam_flags; /* value of ifa_flags */ 28021666Swollman u_short ifmam_index; /* index for associated ifp */ 28121666Swollman}; 28221666Swollman 28321666Swollman/* 28489498Sru * Message format announcing the arrival or departure of a network interface. 28589498Sru */ 28689498Srustruct if_announcemsghdr { 28789498Sru u_short ifan_msglen; /* to skip over non-understood messages */ 28889498Sru u_char ifan_version; /* future binary compatibility */ 28989498Sru u_char ifan_type; /* message type */ 29089498Sru u_short ifan_index; /* index for associated ifp */ 29189498Sru char ifan_name[IFNAMSIZ]; /* if name, e.g. "en0" */ 29289498Sru u_short ifan_what; /* what type of announcement */ 29389498Sru}; 29489498Sru 29589498Sru#define IFAN_ARRIVAL 0 /* interface arrival */ 29689498Sru#define IFAN_DEPARTURE 1 /* interface departure */ 29789498Sru 29889498Sru/* 299203052Sdelphij * Buffer with length to be used in SIOCGIFDESCR/SIOCSIFDESCR requests 300203052Sdelphij */ 301203052Sdelphijstruct ifreq_buffer { 302203052Sdelphij size_t length; 303203052Sdelphij void *buffer; 304203052Sdelphij}; 305203052Sdelphij 306203052Sdelphij/* 3071541Srgrimes * Interface request structure used for socket 3081541Srgrimes * ioctl's. All interface ioctl's must have parameter 3091541Srgrimes * definitions which begin with ifr_name. The 3101541Srgrimes * remainder may be interface specific. 3111541Srgrimes */ 3121541Srgrimesstruct ifreq { 3131541Srgrimes char ifr_name[IFNAMSIZ]; /* if name, e.g. "en0" */ 3141541Srgrimes union { 3151541Srgrimes struct sockaddr ifru_addr; 3161541Srgrimes struct sockaddr ifru_dstaddr; 3171541Srgrimes struct sockaddr ifru_broadaddr; 318203052Sdelphij struct ifreq_buffer ifru_buffer; 31944144Sphk short ifru_flags[2]; 32085079Sjlemon short ifru_index; 321194251Sjamie int ifru_jid; 3221541Srgrimes int ifru_metric; 3231941Sdg int ifru_mtu; 3245184Swollman int ifru_phys; 32525434Speter int ifru_media; 3261541Srgrimes caddr_t ifru_data; 32783624Sjlemon int ifru_cap[2]; 328223735Sbz u_int ifru_fib; 3291541Srgrimes } ifr_ifru; 3301541Srgrimes#define ifr_addr ifr_ifru.ifru_addr /* address */ 3311541Srgrimes#define ifr_dstaddr ifr_ifru.ifru_dstaddr /* other end of p-to-p link */ 3321541Srgrimes#define ifr_broadaddr ifr_ifru.ifru_broadaddr /* broadcast address */ 333203052Sdelphij#define ifr_buffer ifr_ifru.ifru_buffer /* user supplied buffer with its length */ 334102052Ssobomax#define ifr_flags ifr_ifru.ifru_flags[0] /* flags (low 16 bits) */ 335102052Ssobomax#define ifr_flagshigh ifr_ifru.ifru_flags[1] /* flags (high 16 bits) */ 336194251Sjamie#define ifr_jid ifr_ifru.ifru_jid /* jail/vnet */ 3371541Srgrimes#define ifr_metric ifr_ifru.ifru_metric /* metric */ 3381941Sdg#define ifr_mtu ifr_ifru.ifru_mtu /* mtu */ 3395187Sdg#define ifr_phys ifr_ifru.ifru_phys /* physical wire */ 34025434Speter#define ifr_media ifr_ifru.ifru_media /* physical media */ 3411541Srgrimes#define ifr_data ifr_ifru.ifru_data /* for use by interface */ 34283624Sjlemon#define ifr_reqcap ifr_ifru.ifru_cap[0] /* requested capabilities */ 34383624Sjlemon#define ifr_curcap ifr_ifru.ifru_cap[1] /* current capabilities */ 34485079Sjlemon#define ifr_index ifr_ifru.ifru_index /* interface index */ 345223735Sbz#define ifr_fib ifr_ifru.ifru_fib /* interface fib */ 3461541Srgrimes}; 3471541Srgrimes 34832491Swollman#define _SIZEOF_ADDR_IFREQ(ifr) \ 34932491Swollman ((ifr).ifr_addr.sa_len > sizeof(struct sockaddr) ? \ 35032491Swollman (sizeof(struct ifreq) - sizeof(struct sockaddr) + \ 35132491Swollman (ifr).ifr_addr.sa_len) : sizeof(struct ifreq)) 35232491Swollman 3531541Srgrimesstruct ifaliasreq { 3541541Srgrimes char ifra_name[IFNAMSIZ]; /* if name, e.g. "en0" */ 3551541Srgrimes struct sockaddr ifra_addr; 3561541Srgrimes struct sockaddr ifra_broadaddr; 3571541Srgrimes struct sockaddr ifra_mask; 3581541Srgrimes}; 3591541Srgrimes 36025434Speterstruct ifmediareq { 36125434Speter char ifm_name[IFNAMSIZ]; /* if name, e.g. "en0" */ 36225434Speter int ifm_current; /* current media options */ 36325434Speter int ifm_mask; /* don't care mask */ 36425434Speter int ifm_status; /* media status */ 36525434Speter int ifm_active; /* active options */ 36625434Speter int ifm_count; /* # entries in ifm_ulist array */ 36725434Speter int *ifm_ulist; /* media words */ 36825434Speter}; 36948021Sphk 370146986Sthompsastruct ifdrv { 371146986Sthompsa char ifd_name[IFNAMSIZ]; /* if name, e.g. "en0" */ 372146986Sthompsa unsigned long ifd_cmd; 373146986Sthompsa size_t ifd_len; 374146986Sthompsa void *ifd_data; 375146986Sthompsa}; 376146986Sthompsa 37748021Sphk/* 37848021Sphk * Structure used to retrieve aux status data from interfaces. 37948589Sbde * Kernel suppliers to this interface should respect the formatting 38048021Sphk * needed by ifconfig(8): each line starts with a TAB and ends with 38148589Sbde * a newline. The canonical example to copy and paste is in if_tun.c. 38248021Sphk */ 38348021Sphk 38448589Sbde#define IFSTATMAX 800 /* 10 lines of text */ 38548021Sphkstruct ifstat { 38648589Sbde char ifs_name[IFNAMSIZ]; /* if name, e.g. "en0" */ 38748589Sbde char ascii[IFSTATMAX + 1]; 38848021Sphk}; 38948021Sphk 3901541Srgrimes/* 3911541Srgrimes * Structure used in SIOCGIFCONF request. 3921541Srgrimes * Used to retrieve interface configuration 3931541Srgrimes * for machine (useful for programs which 3941541Srgrimes * must know all networks accessible). 3951541Srgrimes */ 3961541Srgrimesstruct ifconf { 3971541Srgrimes int ifc_len; /* size of associated buffer */ 3981541Srgrimes union { 3991541Srgrimes caddr_t ifcu_buf; 4001541Srgrimes struct ifreq *ifcu_req; 4011541Srgrimes } ifc_ifcu; 4021541Srgrimes#define ifc_buf ifc_ifcu.ifcu_buf /* buffer address */ 4031541Srgrimes#define ifc_req ifc_ifcu.ifcu_req /* array of structures returned */ 4041541Srgrimes}; 4051541Srgrimes 40652904Sshin/* 407159781Smlaier * interface groups 408159781Smlaier */ 409159781Smlaier 410159781Smlaier#define IFG_ALL "all" /* group contains all interfaces */ 411159781Smlaier/* XXX: will we implement this? */ 412159781Smlaier#define IFG_EGRESS "egress" /* if(s) default route(s) point to */ 413159781Smlaier 414159781Smlaierstruct ifg_req { 415159781Smlaier union { 416159781Smlaier char ifgrqu_group[IFNAMSIZ]; 417159781Smlaier char ifgrqu_member[IFNAMSIZ]; 418159781Smlaier } ifgrq_ifgrqu; 419159781Smlaier#define ifgrq_group ifgrq_ifgrqu.ifgrqu_group 420159781Smlaier#define ifgrq_member ifgrq_ifgrqu.ifgrqu_member 421159781Smlaier}; 422159781Smlaier 423159781Smlaier/* 424159781Smlaier * Used to lookup groups for an interface 425159781Smlaier */ 426159781Smlaierstruct ifgroupreq { 427159781Smlaier char ifgr_name[IFNAMSIZ]; 428159781Smlaier u_int ifgr_len; 429159781Smlaier union { 430159781Smlaier char ifgru_group[IFNAMSIZ]; 431159781Smlaier struct ifg_req *ifgru_groups; 432159781Smlaier } ifgr_ifgru; 433159781Smlaier#define ifgr_group ifgr_ifgru.ifgru_group 434159781Smlaier#define ifgr_groups ifgr_ifgru.ifgru_groups 435159781Smlaier}; 436159781Smlaier 437159781Smlaier/* 43852904Sshin * Structure for SIOC[AGD]LIFADDR 43952904Sshin */ 44052904Sshinstruct if_laddrreq { 44152904Sshin char iflr_name[IFNAMSIZ]; 44252904Sshin u_int flags; 44352904Sshin#define IFLR_PREFIX 0x8000 /* in: prefix given out: kernel fills id */ 44452904Sshin u_int prefixlen; /* in/out */ 44552904Sshin struct sockaddr_storage addr; /* in/out */ 44652904Sshin struct sockaddr_storage dstaddr; /* out */ 44752904Sshin}; 44852904Sshin 449104355Smike#endif /* __BSD_VISIBLE */ 450104355Smike 45155205Speter#ifdef _KERNEL 45230354Sphk#ifdef MALLOC_DECLARE 45330354SphkMALLOC_DECLARE(M_IFADDR); 45430354SphkMALLOC_DECLARE(M_IFMADDR); 45530354Sphk#endif 45630354Sphk#endif 45730354Sphk 45855205Speter#ifndef _KERNEL 45952904Sshinstruct if_nameindex { 460104355Smike unsigned int if_index; /* 1, 2, ... */ 461104360Smike char *if_name; /* null terminated name: "le0", ... */ 46252904Sshin}; 46352904Sshin 46452904Sshin__BEGIN_DECLS 465104360Smikevoid if_freenameindex(struct if_nameindex *); 466104360Smikechar *if_indextoname(unsigned int, char *); 467104360Smikestruct if_nameindex *if_nameindex(void); 468104360Smikeunsigned int if_nametoindex(const char *); 46952904Sshin__END_DECLS 47052904Sshin#endif 47152904Sshin 47255205Speter#ifdef _KERNEL 47348589Sbde/* XXX - this should go away soon. */ 47421259Swollman#include <net/if_var.h> 4751541Srgrimes#endif 4761541Srgrimes 4774507Sbde#endif /* !_NET_IF_H_ */ 478