if.h revision 241616
1/*- 2 * Copyright (c) 1982, 1986, 1989, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 4. Neither the name of the University nor the names of its contributors 14 * may be used to endorse or promote products derived from this software 15 * without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 * 29 * @(#)if.h 8.1 (Berkeley) 6/10/93 30 * $FreeBSD: head/sys/net/if.h 241616 2012-10-16 20:18:15Z emax $ 31 */ 32 33#ifndef _NET_IF_H_ 34#define _NET_IF_H_ 35 36#include <sys/cdefs.h> 37 38#ifdef _KERNEL 39#include <sys/queue.h> 40#endif 41 42#if __BSD_VISIBLE 43/* 44 * <net/if.h> does not depend on <sys/time.h> on most other systems. This 45 * helps userland compatibility. (struct timeval ifi_lastchange) 46 * The same holds for <sys/socket.h>. (struct sockaddr ifru_addr) 47 */ 48#ifndef _KERNEL 49#include <sys/time.h> 50#include <sys/socket.h> 51#endif 52 53struct ifnet; 54#endif 55 56/* 57 * Length of interface external name, including terminating '\0'. 58 * Note: this is the same size as a generic device's external name. 59 */ 60#define IF_NAMESIZE 16 61#if __BSD_VISIBLE 62#define IFNAMSIZ IF_NAMESIZE 63#define IF_MAXUNIT 0x7fff /* historical value */ 64#endif 65#if __BSD_VISIBLE 66 67/* 68 * Structure used to query names of interface cloners. 69 */ 70 71struct if_clonereq { 72 int ifcr_total; /* total cloners (out) */ 73 int ifcr_count; /* room for this many in user buffer */ 74 char *ifcr_buffer; /* buffer for cloner names */ 75}; 76 77/* 78 * Structure describing information about an interface 79 * which may be of interest to management entities. 80 */ 81struct if_data { 82 /* generic interface information */ 83 u_char ifi_type; /* ethernet, tokenring, etc */ 84 u_char ifi_physical; /* e.g., AUI, Thinnet, 10base-T, etc */ 85 u_char ifi_addrlen; /* media address length */ 86 u_char ifi_hdrlen; /* media header length */ 87 u_char ifi_link_state; /* current link state */ 88 u_char ifi_vhid; /* carp vhid */ 89 u_char ifi_baudrate_pf; /* baudrate power factor */ 90 u_char ifi_datalen; /* length of this data struct */ 91 u_long ifi_mtu; /* maximum transmission unit */ 92 u_long ifi_metric; /* routing metric (external only) */ 93 u_long ifi_baudrate; /* linespeed */ 94 /* volatile statistics */ 95 u_long ifi_ipackets; /* packets received on interface */ 96 u_long ifi_ierrors; /* input errors on interface */ 97 u_long ifi_opackets; /* packets sent on interface */ 98 u_long ifi_oerrors; /* output errors on interface */ 99 u_long ifi_collisions; /* collisions on csma interfaces */ 100 u_long ifi_ibytes; /* total number of octets received */ 101 u_long ifi_obytes; /* total number of octets sent */ 102 u_long ifi_imcasts; /* packets received via multicast */ 103 u_long ifi_omcasts; /* packets sent via multicast */ 104 u_long ifi_iqdrops; /* dropped on input, this interface */ 105 u_long ifi_noproto; /* destined for unsupported protocol */ 106 u_long ifi_hwassist; /* HW offload capabilities, see IFCAP */ 107 time_t ifi_epoch; /* uptime at attach or stat reset */ 108 struct timeval ifi_lastchange; /* time of last administrative change */ 109}; 110 111/*- 112 * Interface flags are of two types: network stack owned flags, and driver 113 * owned flags. Historically, these values were stored in the same ifnet 114 * flags field, but with the advent of fine-grained locking, they have been 115 * broken out such that the network stack is responsible for synchronizing 116 * the stack-owned fields, and the device driver the device-owned fields. 117 * Both halves can perform lockless reads of the other half's field, subject 118 * to accepting the involved races. 119 * 120 * Both sets of flags come from the same number space, and should not be 121 * permitted to conflict, as they are exposed to user space via a single 122 * field. 123 * 124 * The following symbols identify read and write requirements for fields: 125 * 126 * (i) if_flags field set by device driver before attach, read-only there 127 * after. 128 * (n) if_flags field written only by the network stack, read by either the 129 * stack or driver. 130 * (d) if_drv_flags field written only by the device driver, read by either 131 * the stack or driver. 132 */ 133#define IFF_UP 0x1 /* (n) interface is up */ 134#define IFF_BROADCAST 0x2 /* (i) broadcast address valid */ 135#define IFF_DEBUG 0x4 /* (n) turn on debugging */ 136#define IFF_LOOPBACK 0x8 /* (i) is a loopback net */ 137#define IFF_POINTOPOINT 0x10 /* (i) is a point-to-point link */ 138#define IFF_SMART 0x20 /* (i) interface manages own routes */ 139#define IFF_DRV_RUNNING 0x40 /* (d) resources allocated */ 140#define IFF_NOARP 0x80 /* (n) no address resolution protocol */ 141#define IFF_PROMISC 0x100 /* (n) receive all packets */ 142#define IFF_ALLMULTI 0x200 /* (n) receive all multicast packets */ 143#define IFF_DRV_OACTIVE 0x400 /* (d) tx hardware queue is full */ 144#define IFF_SIMPLEX 0x800 /* (i) can't hear own transmissions */ 145#define IFF_LINK0 0x1000 /* per link layer defined bit */ 146#define IFF_LINK1 0x2000 /* per link layer defined bit */ 147#define IFF_LINK2 0x4000 /* per link layer defined bit */ 148#define IFF_ALTPHYS IFF_LINK2 /* use alternate physical connection */ 149#define IFF_MULTICAST 0x8000 /* (i) supports multicast */ 150#define IFF_CANTCONFIG 0x10000 /* (i) unconfigurable using ioctl(2) */ 151#define IFF_PPROMISC 0x20000 /* (n) user-requested promisc mode */ 152#define IFF_MONITOR 0x40000 /* (n) user-requested monitor mode */ 153#define IFF_STATICARP 0x80000 /* (n) static ARP */ 154#define IFF_DYING 0x200000 /* (n) interface is winding down */ 155#define IFF_RENAMING 0x400000 /* (n) interface is being renamed */ 156/* 157 * Old names for driver flags so that user space tools can continue to use 158 * the old (portable) names. 159 */ 160#ifndef _KERNEL 161#define IFF_RUNNING IFF_DRV_RUNNING 162#define IFF_OACTIVE IFF_DRV_OACTIVE 163#endif 164 165/* flags set internally only: */ 166#define IFF_CANTCHANGE \ 167 (IFF_BROADCAST|IFF_POINTOPOINT|IFF_DRV_RUNNING|IFF_DRV_OACTIVE|\ 168 IFF_SIMPLEX|IFF_MULTICAST|IFF_ALLMULTI|IFF_SMART|IFF_PROMISC|\ 169 IFF_DYING|IFF_CANTCONFIG) 170 171/* 172 * Values for if_link_state. 173 */ 174#define LINK_STATE_UNKNOWN 0 /* link invalid/unknown */ 175#define LINK_STATE_DOWN 1 /* link is down */ 176#define LINK_STATE_UP 2 /* link is up */ 177 178/* 179 * Some convenience macros used for setting ifi_baudrate. 180 * XXX 1000 vs. 1024? --thorpej@netbsd.org 181 */ 182#define IF_Kbps(x) ((x) * 1000) /* kilobits/sec. */ 183#define IF_Mbps(x) (IF_Kbps((x) * 1000)) /* megabits/sec. */ 184#define IF_Gbps(x) (IF_Mbps((x) * 1000)) /* gigabits/sec. */ 185 186/* 187 * Capabilities that interfaces can advertise. 188 * 189 * struct ifnet.if_capabilities 190 * contains the optional features & capabilities a particular interface 191 * supports (not only the driver but also the detected hw revision). 192 * Capabilities are defined by IFCAP_* below. 193 * struct ifnet.if_capenable 194 * contains the enabled (either by default or through ifconfig) optional 195 * features & capabilities on this interface. 196 * Capabilities are defined by IFCAP_* below. 197 * struct if_data.ifi_hwassist in mbuf CSUM_ flag form, controlled by above 198 * contains the enabled optional feature & capabilites that can be used 199 * individually per packet and are specified in the mbuf pkthdr.csum_flags 200 * field. IFCAP_* and CSUM_* do not match one to one and CSUM_* may be 201 * more detailed or differenciated than IFCAP_*. 202 * Hwassist features are defined CSUM_* in sys/mbuf.h 203 * 204 * Capabilities that cannot be arbitrarily changed with ifconfig/ioctl 205 * are listed in IFCAP_CANTCHANGE, similar to IFF_CANTCHANGE. 206 * This is not strictly necessary because the common code never 207 * changes capabilities, and it is left to the individual driver 208 * to do the right thing. However, having the filter here 209 * avoids replication of the same code in all individual drivers. 210 */ 211#define IFCAP_RXCSUM 0x00001 /* can offload checksum on RX */ 212#define IFCAP_TXCSUM 0x00002 /* can offload checksum on TX */ 213#define IFCAP_NETCONS 0x00004 /* can be a network console */ 214#define IFCAP_VLAN_MTU 0x00008 /* VLAN-compatible MTU */ 215#define IFCAP_VLAN_HWTAGGING 0x00010 /* hardware VLAN tag support */ 216#define IFCAP_JUMBO_MTU 0x00020 /* 9000 byte MTU supported */ 217#define IFCAP_POLLING 0x00040 /* driver supports polling */ 218#define IFCAP_VLAN_HWCSUM 0x00080 /* can do IFCAP_HWCSUM on VLANs */ 219#define IFCAP_TSO4 0x00100 /* can do TCP Segmentation Offload */ 220#define IFCAP_TSO6 0x00200 /* can do TCP6 Segmentation Offload */ 221#define IFCAP_LRO 0x00400 /* can do Large Receive Offload */ 222#define IFCAP_WOL_UCAST 0x00800 /* wake on any unicast frame */ 223#define IFCAP_WOL_MCAST 0x01000 /* wake on any multicast frame */ 224#define IFCAP_WOL_MAGIC 0x02000 /* wake on any Magic Packet */ 225#define IFCAP_TOE4 0x04000 /* interface can offload TCP */ 226#define IFCAP_TOE6 0x08000 /* interface can offload TCP6 */ 227#define IFCAP_VLAN_HWFILTER 0x10000 /* interface hw can filter vlan tag */ 228#define IFCAP_POLLING_NOCOUNT 0x20000 /* polling ticks cannot be fragmented */ 229#define IFCAP_VLAN_HWTSO 0x40000 /* can do IFCAP_TSO on VLANs */ 230#define IFCAP_LINKSTATE 0x80000 /* the runtime link state is dynamic */ 231#define IFCAP_NETMAP 0x100000 /* netmap mode supported/enabled */ 232#define IFCAP_RXCSUM_IPV6 0x200000 /* can offload checksum on IPv6 RX */ 233#define IFCAP_TXCSUM_IPV6 0x400000 /* can offload checksum on IPv6 TX */ 234 235#define IFCAP_HWCSUM_IPV6 (IFCAP_RXCSUM_IPV6 | IFCAP_TXCSUM_IPV6) 236 237#define IFCAP_HWCSUM (IFCAP_RXCSUM | IFCAP_TXCSUM) 238#define IFCAP_TSO (IFCAP_TSO4 | IFCAP_TSO6) 239#define IFCAP_WOL (IFCAP_WOL_UCAST | IFCAP_WOL_MCAST | IFCAP_WOL_MAGIC) 240#define IFCAP_TOE (IFCAP_TOE4 | IFCAP_TOE6) 241 242#define IFCAP_CANTCHANGE (IFCAP_NETMAP) 243 244#define IFQ_MAXLEN 50 245#define IFNET_SLOWHZ 1 /* granularity is 1 second */ 246 247/* 248 * Message format for use in obtaining information about interfaces 249 * from getkerninfo and the routing socket 250 * For the new, extensible interface see struct if_msghdrl below. 251 */ 252struct if_msghdr { 253 u_short ifm_msglen; /* to skip over non-understood messages */ 254 u_char ifm_version; /* future binary compatibility */ 255 u_char ifm_type; /* message type */ 256 int ifm_addrs; /* like rtm_addrs */ 257 int ifm_flags; /* value of if_flags */ 258 u_short ifm_index; /* index for associated ifp */ 259 struct if_data ifm_data;/* statistics and other data about if */ 260}; 261 262/* 263 * The 'l' version shall be used by new interfaces, like NET_RT_IFLISTL. It is 264 * extensible after ifm_data_off or within ifm_data. Both the if_msghdr and 265 * if_data now have a member field detailing the struct length in addition to 266 * the routing message length. Macros are provided to find the start of 267 * ifm_data and the start of the socket address strucutres immediately following 268 * struct if_msghdrl given a pointer to struct if_msghdrl. 269 */ 270#define IF_MSGHDRL_IFM_DATA(_l) \ 271 (struct if_data *)((char *)(_l) + (_l)->ifm_data_off) 272#define IF_MSGHDRL_RTA(_l) \ 273 (void *)((uintptr_t)(_l) + (_l)->ifm_len) 274struct if_msghdrl { 275 u_short ifm_msglen; /* to skip over non-understood messages */ 276 u_char ifm_version; /* future binary compatibility */ 277 u_char ifm_type; /* message type */ 278 int ifm_addrs; /* like rtm_addrs */ 279 int ifm_flags; /* value of if_flags */ 280 u_short ifm_index; /* index for associated ifp */ 281 u_short _ifm_spare1; /* spare space to grow if_index, see if_var.h */ 282 u_short ifm_len; /* length of if_msghdrl incl. if_data */ 283 u_short ifm_data_off; /* offset of if_data from beginning */ 284 struct if_data ifm_data;/* statistics and other data about if */ 285}; 286 287/* 288 * Message format for use in obtaining information about interface addresses 289 * from getkerninfo and the routing socket 290 * For the new, extensible interface see struct ifa_msghdrl below. 291 */ 292struct ifa_msghdr { 293 u_short ifam_msglen; /* to skip over non-understood messages */ 294 u_char ifam_version; /* future binary compatibility */ 295 u_char ifam_type; /* message type */ 296 int ifam_addrs; /* like rtm_addrs */ 297 int ifam_flags; /* value of ifa_flags */ 298 u_short ifam_index; /* index for associated ifp */ 299 int ifam_metric; /* value of ifa_metric */ 300}; 301 302/* 303 * The 'l' version shall be used by new interfaces, like NET_RT_IFLISTL. It is 304 * extensible after ifam_metric or within ifam_data. Both the ifa_msghdrl and 305 * if_data now have a member field detailing the struct length in addition to 306 * the routing message length. Macros are provided to find the start of 307 * ifm_data and the start of the socket address strucutres immediately following 308 * struct ifa_msghdrl given a pointer to struct ifa_msghdrl. 309 */ 310#define IFA_MSGHDRL_IFAM_DATA(_l) \ 311 (struct if_data *)((char *)(_l) + (_l)->ifam_data_off) 312#define IFA_MSGHDRL_RTA(_l) \ 313 (void *)((uintptr_t)(_l) + (_l)->ifam_len) 314struct ifa_msghdrl { 315 u_short ifam_msglen; /* to skip over non-understood messages */ 316 u_char ifam_version; /* future binary compatibility */ 317 u_char ifam_type; /* message type */ 318 int ifam_addrs; /* like rtm_addrs */ 319 int ifam_flags; /* value of ifa_flags */ 320 u_short ifam_index; /* index for associated ifp */ 321 u_short _ifam_spare1; /* spare space to grow if_index, see if_var.h */ 322 u_short ifam_len; /* length of ifa_msghdrl incl. if_data */ 323 u_short ifam_data_off; /* offset of if_data from beginning */ 324 int ifam_metric; /* value of ifa_metric */ 325 struct if_data ifam_data;/* statistics and other data about if or 326 * address */ 327}; 328 329/* 330 * Message format for use in obtaining information about multicast addresses 331 * from the routing socket 332 */ 333struct ifma_msghdr { 334 u_short ifmam_msglen; /* to skip over non-understood messages */ 335 u_char ifmam_version; /* future binary compatibility */ 336 u_char ifmam_type; /* message type */ 337 int ifmam_addrs; /* like rtm_addrs */ 338 int ifmam_flags; /* value of ifa_flags */ 339 u_short ifmam_index; /* index for associated ifp */ 340}; 341 342/* 343 * Message format announcing the arrival or departure of a network interface. 344 */ 345struct if_announcemsghdr { 346 u_short ifan_msglen; /* to skip over non-understood messages */ 347 u_char ifan_version; /* future binary compatibility */ 348 u_char ifan_type; /* message type */ 349 u_short ifan_index; /* index for associated ifp */ 350 char ifan_name[IFNAMSIZ]; /* if name, e.g. "en0" */ 351 u_short ifan_what; /* what type of announcement */ 352}; 353 354#define IFAN_ARRIVAL 0 /* interface arrival */ 355#define IFAN_DEPARTURE 1 /* interface departure */ 356 357/* 358 * Buffer with length to be used in SIOCGIFDESCR/SIOCSIFDESCR requests 359 */ 360struct ifreq_buffer { 361 size_t length; 362 void *buffer; 363}; 364 365/* 366 * Interface request structure used for socket 367 * ioctl's. All interface ioctl's must have parameter 368 * definitions which begin with ifr_name. The 369 * remainder may be interface specific. 370 */ 371struct ifreq { 372 char ifr_name[IFNAMSIZ]; /* if name, e.g. "en0" */ 373 union { 374 struct sockaddr ifru_addr; 375 struct sockaddr ifru_dstaddr; 376 struct sockaddr ifru_broadaddr; 377 struct ifreq_buffer ifru_buffer; 378 short ifru_flags[2]; 379 short ifru_index; 380 int ifru_jid; 381 int ifru_metric; 382 int ifru_mtu; 383 int ifru_phys; 384 int ifru_media; 385 caddr_t ifru_data; 386 int ifru_cap[2]; 387 u_int ifru_fib; 388 } ifr_ifru; 389#define ifr_addr ifr_ifru.ifru_addr /* address */ 390#define ifr_dstaddr ifr_ifru.ifru_dstaddr /* other end of p-to-p link */ 391#define ifr_broadaddr ifr_ifru.ifru_broadaddr /* broadcast address */ 392#define ifr_buffer ifr_ifru.ifru_buffer /* user supplied buffer with its length */ 393#define ifr_flags ifr_ifru.ifru_flags[0] /* flags (low 16 bits) */ 394#define ifr_flagshigh ifr_ifru.ifru_flags[1] /* flags (high 16 bits) */ 395#define ifr_jid ifr_ifru.ifru_jid /* jail/vnet */ 396#define ifr_metric ifr_ifru.ifru_metric /* metric */ 397#define ifr_mtu ifr_ifru.ifru_mtu /* mtu */ 398#define ifr_phys ifr_ifru.ifru_phys /* physical wire */ 399#define ifr_media ifr_ifru.ifru_media /* physical media */ 400#define ifr_data ifr_ifru.ifru_data /* for use by interface */ 401#define ifr_reqcap ifr_ifru.ifru_cap[0] /* requested capabilities */ 402#define ifr_curcap ifr_ifru.ifru_cap[1] /* current capabilities */ 403#define ifr_index ifr_ifru.ifru_index /* interface index */ 404#define ifr_fib ifr_ifru.ifru_fib /* interface fib */ 405}; 406 407#define _SIZEOF_ADDR_IFREQ(ifr) \ 408 ((ifr).ifr_addr.sa_len > sizeof(struct sockaddr) ? \ 409 (sizeof(struct ifreq) - sizeof(struct sockaddr) + \ 410 (ifr).ifr_addr.sa_len) : sizeof(struct ifreq)) 411 412struct ifaliasreq { 413 char ifra_name[IFNAMSIZ]; /* if name, e.g. "en0" */ 414 struct sockaddr ifra_addr; 415 struct sockaddr ifra_broadaddr; 416 struct sockaddr ifra_mask; 417 int ifra_vhid; 418}; 419 420/* Compat with pre-10.x */ 421struct oifaliasreq { 422 char ifra_name[IFNAMSIZ]; 423 struct sockaddr ifra_addr; 424 struct sockaddr ifra_broadaddr; 425 struct sockaddr ifra_mask; 426}; 427 428struct ifmediareq { 429 char ifm_name[IFNAMSIZ]; /* if name, e.g. "en0" */ 430 int ifm_current; /* current media options */ 431 int ifm_mask; /* don't care mask */ 432 int ifm_status; /* media status */ 433 int ifm_active; /* active options */ 434 int ifm_count; /* # entries in ifm_ulist array */ 435 int *ifm_ulist; /* media words */ 436}; 437 438struct ifdrv { 439 char ifd_name[IFNAMSIZ]; /* if name, e.g. "en0" */ 440 unsigned long ifd_cmd; 441 size_t ifd_len; 442 void *ifd_data; 443}; 444 445/* 446 * Structure used to retrieve aux status data from interfaces. 447 * Kernel suppliers to this interface should respect the formatting 448 * needed by ifconfig(8): each line starts with a TAB and ends with 449 * a newline. The canonical example to copy and paste is in if_tun.c. 450 */ 451 452#define IFSTATMAX 800 /* 10 lines of text */ 453struct ifstat { 454 char ifs_name[IFNAMSIZ]; /* if name, e.g. "en0" */ 455 char ascii[IFSTATMAX + 1]; 456}; 457 458/* 459 * Structure used in SIOCGIFCONF request. 460 * Used to retrieve interface configuration 461 * for machine (useful for programs which 462 * must know all networks accessible). 463 */ 464struct ifconf { 465 int ifc_len; /* size of associated buffer */ 466 union { 467 caddr_t ifcu_buf; 468 struct ifreq *ifcu_req; 469 } ifc_ifcu; 470#define ifc_buf ifc_ifcu.ifcu_buf /* buffer address */ 471#define ifc_req ifc_ifcu.ifcu_req /* array of structures returned */ 472}; 473 474/* 475 * interface groups 476 */ 477 478#define IFG_ALL "all" /* group contains all interfaces */ 479/* XXX: will we implement this? */ 480#define IFG_EGRESS "egress" /* if(s) default route(s) point to */ 481 482struct ifg_req { 483 union { 484 char ifgrqu_group[IFNAMSIZ]; 485 char ifgrqu_member[IFNAMSIZ]; 486 } ifgrq_ifgrqu; 487#define ifgrq_group ifgrq_ifgrqu.ifgrqu_group 488#define ifgrq_member ifgrq_ifgrqu.ifgrqu_member 489}; 490 491/* 492 * Used to lookup groups for an interface 493 */ 494struct ifgroupreq { 495 char ifgr_name[IFNAMSIZ]; 496 u_int ifgr_len; 497 union { 498 char ifgru_group[IFNAMSIZ]; 499 struct ifg_req *ifgru_groups; 500 } ifgr_ifgru; 501#define ifgr_group ifgr_ifgru.ifgru_group 502#define ifgr_groups ifgr_ifgru.ifgru_groups 503}; 504 505/* 506 * Structure for SIOC[AGD]LIFADDR 507 */ 508struct if_laddrreq { 509 char iflr_name[IFNAMSIZ]; 510 u_int flags; 511#define IFLR_PREFIX 0x8000 /* in: prefix given out: kernel fills id */ 512 u_int prefixlen; /* in/out */ 513 struct sockaddr_storage addr; /* in/out */ 514 struct sockaddr_storage dstaddr; /* out */ 515}; 516 517#endif /* __BSD_VISIBLE */ 518 519#ifdef _KERNEL 520#ifdef MALLOC_DECLARE 521MALLOC_DECLARE(M_IFADDR); 522MALLOC_DECLARE(M_IFMADDR); 523#endif 524#endif 525 526#ifndef _KERNEL 527struct if_nameindex { 528 unsigned int if_index; /* 1, 2, ... */ 529 char *if_name; /* null terminated name: "le0", ... */ 530}; 531 532__BEGIN_DECLS 533void if_freenameindex(struct if_nameindex *); 534char *if_indextoname(unsigned int, char *); 535struct if_nameindex *if_nameindex(void); 536unsigned int if_nametoindex(const char *); 537__END_DECLS 538#endif 539 540#ifdef _KERNEL 541/* XXX - this should go away soon. */ 542#include <net/if_var.h> 543#endif 544 545#endif /* !_NET_IF_H_ */ 546