bsd/net/if.h

   1 /*
   2  * Copyright (c) 2000-2009 Apple Inc. All rights reserved.
   3  *
   4  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
   5  *
   6  * This file contains Original Code and/or Modifications of Original Code
   7  * as defined in and that are subject to the Apple Public Source License
   8  * Version 2.0 (the 'License'). You may not use this file except in
   9  * compliance with the License. The rights granted to you under the License
  10  * may not be used to create, or enable the creation or redistribution of,
  11  * unlawful or unlicensed copies of an Apple operating system, or to
  12  * circumvent, violate, or enable the circumvention or violation of, any
  13  * terms of an Apple operating system software license agreement.
  14  *
  15  * Please obtain a copy of the License at
  16  * http://www.opensource.apple.com/apsl/ and read it before using this file.
  17  *
  18  * The Original Code and all software distributed under the License are
  19  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  20  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  21  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  22  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  23  * Please see the License for the specific language governing rights and
  24  * limitations under the License.
  25  *
  26  * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
  27  */
  28 /*
  29  * Copyright (c) 1982, 1986, 1989, 1993
  30  *      The Regents of the University of California.  All rights reserved.
  31  *
  32  * Redistribution and use in source and binary forms, with or without
  33  * modification, are permitted provided that the following conditions
  34  * are met:
  35  * 1. Redistributions of source code must retain the above copyright
  36  *    notice, this list of conditions and the following disclaimer.
  37  * 2. Redistributions in binary form must reproduce the above copyright
  38  *    notice, this list of conditions and the following disclaimer in the
  39  *    documentation and/or other materials provided with the distribution.
  40  * 3. All advertising materials mentioning features or use of this software
  41  *    must display the following acknowledgement:
  42  *      This product includes software developed by the University of
  43  *      California, Berkeley and its contributors.
  44  * 4. Neither the name of the University nor the names of its contributors
  45  *    may be used to endorse or promote products derived from this software
  46  *    without specific prior written permission.
  47  *
  48  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  49  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  50  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  51  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  52  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  53  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  54  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  55  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  56  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  57  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  58  * SUCH DAMAGE.
  59  *
  60  *      @(#)if.h        8.1 (Berkeley) 6/10/93
  61  * $FreeBSD: src/sys/net/if.h,v 1.58.2.2 2001/07/24 19:10:18 brooks Exp $
  62  */
  63
  64 #ifndef _NET_IF_H_
  65 #define _NET_IF_H_
  66
  67 #include <sys/cdefs.h>
  68
  69 #define IF_NAMESIZE     16
  70
  71 #if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)
  72 #include <sys/appleapiopts.h>
  73 #ifdef __APPLE__
  74 /*
  75  * Define Data-Link event subclass, and associated
  76  * events.
  77  */
  78
  79 #define KEV_DL_SUBCLASS 2
  80
  81 #define KEV_DL_SIFFLAGS     1
  82 #define KEV_DL_SIFMETRICS   2
  83 #define KEV_DL_SIFMTU       3
  84 #define KEV_DL_SIFPHYS      4
  85 #define KEV_DL_SIFMEDIA     5
  86 #define KEV_DL_SIFGENERIC   6
  87 #define KEV_DL_ADDMULTI     7
  88 #define KEV_DL_DELMULTI     8
  89 #define KEV_DL_IF_ATTACHED  9
  90 #define KEV_DL_IF_DETACHING 10
  91 #define KEV_DL_IF_DETACHED  11
  92 #define KEV_DL_LINK_OFF     12
  93 #define KEV_DL_LINK_ON      13
  94 #define KEV_DL_PROTO_ATTACHED   14
  95 #define KEV_DL_PROTO_DETACHED   15
  96 #define KEV_DL_LINK_ADDRESS_CHANGED     16
  97 #define KEV_DL_WAKEFLAGS_CHANGED        17
  98 #define KEV_DL_IF_IDLE_ROUTE_REFCNT     18
  99
 100 #include <net/if_var.h>
 101 #include <sys/types.h>
 102 #endif
 103
 104 #ifdef KERNEL_PRIVATE
 105 #define         IF_MAXUNIT      0x7fff  /* historical value */
 106
 107 struct if_clonereq {
 108         int     ifcr_total;             /* total cloners (out) */
 109         int     ifcr_count;             /* room for this many in user buffer */
 110         char    *ifcr_buffer;           /* buffer for cloner names */
 111 };
 112
 113 struct if_clonereq64 {
 114         int     ifcr_total;             /* total cloners (out) */
 115         int     ifcr_count;             /* room for this many in user buffer */
 116         user64_addr_t ifcru_buffer      __attribute__((aligned(8)));
 117 };
 118
 119 struct if_clonereq32 {
 120         int     ifcr_total;             /* total cloners (out) */
 121         int     ifcr_count;             /* room for this many in user buffer */
 122         user32_addr_t ifcru_buffer;
 123 };
 124 #endif /* KERNEL_PRIVATE */
 125
 126 #define IFF_UP          0x1             /* interface is up */
 127 #define IFF_BROADCAST   0x2             /* broadcast address valid */
 128 #define IFF_DEBUG       0x4             /* turn on debugging */
 129 #define IFF_LOOPBACK    0x8             /* is a loopback net */
 130 #define IFF_POINTOPOINT 0x10            /* interface is point-to-point link */
 131 #define IFF_NOTRAILERS 0x20             /* obsolete: avoid use of trailers */
 132 #define IFF_RUNNING     0x40            /* resources allocated */
 133 #define IFF_NOARP       0x80            /* no address resolution protocol */
 134 #define IFF_PROMISC     0x100           /* receive all packets */
 135 #define IFF_ALLMULTI    0x200           /* receive all multicast packets */
 136 #define IFF_OACTIVE     0x400           /* transmission in progress */
 137 #define IFF_SIMPLEX     0x800           /* can't hear own transmissions */
 138 #define IFF_LINK0       0x1000          /* per link layer defined bit */
 139 #define IFF_LINK1       0x2000          /* per link layer defined bit */
 140 #define IFF_LINK2       0x4000          /* per link layer defined bit */
 141 #define IFF_ALTPHYS     IFF_LINK2       /* use alternate physical connection */
 142 #define IFF_MULTICAST   0x8000          /* supports multicast */
 143
 144 #ifdef KERNEL_PRIVATE
 145 /* extended flags definitions:  (all bits are reserved for internal/future use) */
 146 #define IFEF_AUTOCONFIGURING    0x1
 147 #define IFEF_DVR_REENTRY_OK     0x20    /* When set, driver may be reentered from its own thread */
 148 #define IFEF_ACCEPT_RTADVD      0x40    /* set to accept IPv6 router advertisement on the interface */
 149 #define IFEF_DETACHING          0x80    /* Set when interface is detaching */
 150 #define IFEF_USEKPI                     0x100   /* Set when interface is created through the KPIs */
 151 #define IFEF_VLAN               0x200   /* interface has one or more vlans */
 152 #define IFEF_BOND               0x400   /* interface is part of bond */
 153 #define IFEF_ARPLL              0x800   /* ARP for IPv4LL addresses on this port */
 154 #define IFEF_NOWINDOWSCALE      0x1000  /* Don't scale TCP window on iface */
 155 #define IFEF_NOAUTOIPV6LL       0x2000  /* Interface IPv6 LinkLocal address not provided by kernel */
 156 #define IFEF_SENDLIST   0x10000000 /* Interface supports sending a list of packets */
 157 #define IFEF_REUSE      0x20000000 /* DLIL ifnet recycler, ifnet is not new */
 158 #define IFEF_INUSE      0x40000000 /* DLIL ifnet recycler, ifnet in use */
 159 #define IFEF_UPDOWNCHANGE       0x80000000 /* Interface's up/down state is changing */
 160
 161 /*
 162  * !!! NOTE !!!
 163  *
 164  * if_idle_flags definitions: (all bits are reserved for internal/future
 165  * use). Setting these flags MUST be done via the ifnet_set_idle_flags()
 166  * KPI due to the associated reference counting.  Clearing them may be done by
 167  * calling the KPI, otherwise implicitly at interface detach time.  Setting
 168  * the if_idle_flags field to a non-zero value will cause the networking
 169  * stack to aggressively purge expired objects (routes, etc.)
 170  */
 171 #define IFRF_IDLE_NOTIFY        0x1     /* Generate notifications on idle */
 172
 173 /* flags set internally only: */
 174 #define IFF_CANTCHANGE \
 175         (IFF_BROADCAST|IFF_POINTOPOINT|IFF_RUNNING|IFF_OACTIVE|\
 176             IFF_SIMPLEX|IFF_MULTICAST|IFF_ALLMULTI)
 177
 178 #endif /* KERNEL_PRIVATE */
 179
 180 #define IFQ_MAXLEN      50
 181 #define IFNET_SLOWHZ    1               /* granularity is 1 second */
 182
 183 /*
 184  * Message format for use in obtaining information about interfaces
 185  * from sysctl and the routing socket
 186  */
 187 struct if_msghdr {
 188         unsigned short  ifm_msglen;     /* to skip over non-understood messages */
 189         unsigned char   ifm_version;    /* future binary compatability */
 190         unsigned char   ifm_type;       /* message type */
 191         int             ifm_addrs;      /* like rtm_addrs */
 192         int             ifm_flags;      /* value of if_flags */
 193         unsigned short  ifm_index;      /* index for associated ifp */
 194         struct  if_data ifm_data;       /* statistics and other data about if */
 195 };
 196
 197 /*
 198  * Message format for use in obtaining information about interface addresses
 199  * from sysctl and the routing socket
 200  */
 201 struct ifa_msghdr {
 202         unsigned short  ifam_msglen;    /* to skip over non-understood messages */
 203         unsigned char   ifam_version;   /* future binary compatability */
 204         unsigned char   ifam_type;      /* message type */
 205         int             ifam_addrs;     /* like rtm_addrs */
 206         int             ifam_flags;     /* value of ifa_flags */
 207         unsigned short  ifam_index;     /* index for associated ifp */
 208         int             ifam_metric;    /* value of ifa_metric */
 209 };
 210
 211 /*
 212  * Message format for use in obtaining information about multicast addresses
 213  * from the routing socket
 214  */
 215 struct ifma_msghdr {
 216         unsigned short  ifmam_msglen;   /* to skip over non-understood messages */
 217         unsigned char   ifmam_version;  /* future binary compatability */
 218         unsigned char   ifmam_type;     /* message type */
 219         int             ifmam_addrs;    /* like rtm_addrs */
 220         int             ifmam_flags;    /* value of ifa_flags */
 221         unsigned short  ifmam_index;    /* index for associated ifp */
 222 };
 223
 224 /*
 225  * Message format for use in obtaining information about interfaces
 226  * from sysctl
 227  */
 228 struct if_msghdr2 {
 229         u_short ifm_msglen;     /* to skip over non-understood messages */
 230         u_char  ifm_version;    /* future binary compatability */
 231         u_char  ifm_type;       /* message type */
 232         int     ifm_addrs;      /* like rtm_addrs */
 233         int     ifm_flags;      /* value of if_flags */
 234         u_short ifm_index;      /* index for associated ifp */
 235         int     ifm_snd_len;    /* instantaneous length of send queue */
 236         int     ifm_snd_maxlen; /* maximum length of send queue */
 237         int     ifm_snd_drops;  /* number of drops in send queue */
 238         int     ifm_timer;      /* time until if_watchdog called */
 239         struct if_data64        ifm_data;       /* statistics and other data about if */
 240 };
 241
 242 /*
 243  * Message format for use in obtaining information about multicast addresses
 244  * from sysctl
 245  */
 246 struct ifma_msghdr2 {
 247         u_short ifmam_msglen;   /* to skip over non-understood messages */
 248         u_char  ifmam_version;  /* future binary compatability */
 249         u_char  ifmam_type;     /* message type */
 250         int     ifmam_addrs;    /* like rtm_addrs */
 251         int     ifmam_flags;    /* value of ifa_flags */
 252         u_short ifmam_index;    /* index for associated ifp */
 253         int32_t ifmam_refcount;
 254 };
 255
 256 /*
 257  * ifdevmtu: interface device mtu
 258  *    Used with SIOCGIFDEVMTU to get the current mtu in use by the device,
 259  *    as well as the minimum and maximum mtu allowed by the device.
 260  */
 261 struct ifdevmtu {
 262         int     ifdm_current;
 263         int     ifdm_min;
 264         int     ifdm_max;
 265 };
 266
 267 #pragma pack(4)
 268
 269 /*
 270  ifkpi: interface kpi ioctl
 271  Used with SIOCSIFKPI and SIOCGIFKPI.
 272
 273  ifk_module_id - From in the kernel, a value from kev_vendor_code_find. From
 274         user space, a value from SIOCGKEVVENDOR ioctl on a kernel event socket.
 275  ifk_type - The type. Types are specific to each module id.
 276  ifk_data - The data. ifk_ptr may be a 64bit pointer for 64 bit processes.
 277
 278  Copying data between user space and kernel space is done using copyin
 279  and copyout. A process may be running in 64bit mode. In such a case,
 280  the pointer will be a 64bit pointer, not a 32bit pointer. The following
 281  sample is a safe way to copy the data in to the kernel from either a
 282  32bit or 64bit process:
 283
 284  user_addr_t tmp_ptr;
 285  if (IS_64BIT_PROCESS(current_proc())) {
 286         tmp_ptr = CAST_USER_ADDR_T(ifkpi.ifk_data.ifk_ptr64);
 287  }
 288  else {
 289         tmp_ptr = CAST_USER_ADDR_T(ifkpi.ifk_data.ifk_ptr);
 290  }
 291  error = copyin(tmp_ptr, allocated_dst_buffer, size of allocated_dst_buffer);
 292  */
 293
 294 struct ifkpi {
 295         unsigned int    ifk_module_id;
 296         unsigned int    ifk_type;
 297         union {
 298                 void            *ifk_ptr;
 299                 int             ifk_value;
 300 #ifdef KERNEL
 301                 u_int64_t       ifk_ptr64;
 302 #endif /* KERNEL */
 303         } ifk_data;
 304 };
 305
 306 /* Wake capabilities of a interface */
 307 #define IF_WAKE_ON_MAGIC_PACKET         0x01
 308 #ifdef KERNEL_PRIVATE
 309 #define IF_WAKE_VALID_FLAGS IF_WAKE_ON_MAGIC_PACKET
 310 #endif /* KERNEL_PRIVATE */
 311
 312
 313 #pragma pack()
 314
 315 /*
 316  * Interface request structure used for socket
 317  * ioctl's.  All interface ioctl's must have parameter
 318  * definitions which begin with ifr_name.  The
 319  * remainder may be interface specific.
 320  */
 321 struct  ifreq {
 322 #ifndef IFNAMSIZ
 323 #define IFNAMSIZ        IF_NAMESIZE
 324 #endif
 325         char    ifr_name[IFNAMSIZ];             /* if name, e.g. "en0" */
 326         union {
 327                 struct  sockaddr ifru_addr;
 328                 struct  sockaddr ifru_dstaddr;
 329                 struct  sockaddr ifru_broadaddr;
 330                 short   ifru_flags;
 331                 int     ifru_metric;
 332                 int     ifru_mtu;
 333                 int     ifru_phys;
 334                 int     ifru_media;
 335                 int     ifru_intval;
 336                 caddr_t ifru_data;
 337 #ifdef KERNEL_PRIVATE
 338                 u_int64_t ifru_data64;  /* 64-bit ifru_data */
 339 #endif /* KERNEL_PRIVATE */
 340                 struct  ifdevmtu ifru_devmtu;
 341                 struct  ifkpi   ifru_kpi;
 342                 u_int32_t ifru_wake_flags;
 343                 u_int32_t ifru_route_refcnt;
 344         } ifr_ifru;
 345 #define ifr_addr        ifr_ifru.ifru_addr      /* address */
 346 #define ifr_dstaddr     ifr_ifru.ifru_dstaddr   /* other end of p-to-p link */
 347 #define ifr_broadaddr   ifr_ifru.ifru_broadaddr /* broadcast address */
 348 #ifdef __APPLE__
 349 #define ifr_flags       ifr_ifru.ifru_flags     /* flags */
 350 #else
 351 #define ifr_flags       ifr_ifru.ifru_flags[0]  /* flags */
 352 #define ifr_prevflags   ifr_ifru.ifru_flags[1]  /* flags */
 353 #endif /* __APPLE__ */
 354 #define ifr_metric      ifr_ifru.ifru_metric    /* metric */
 355 #define ifr_mtu         ifr_ifru.ifru_mtu       /* mtu */
 356 #define ifr_phys        ifr_ifru.ifru_phys      /* physical wire */
 357 #define ifr_media       ifr_ifru.ifru_media     /* physical media */
 358 #define ifr_data        ifr_ifru.ifru_data      /* for use by interface */
 359 #define ifr_devmtu      ifr_ifru.ifru_devmtu
 360 #define ifr_intval      ifr_ifru.ifru_intval    /* integer value */
 361 #ifdef KERNEL_PRIVATE
 362 #define ifr_data64      ifr_ifru.ifru_data64    /* 64-bit pointer */
 363 #endif /* KERNEL_PRIVATE */
 364 #define ifr_kpi         ifr_ifru.ifru_kpi
 365 #define ifr_wake_flags  ifr_ifru.ifru_wake_flags /* wake capabilities of devive */
 366 #define ifr_route_refcnt ifr_ifru.ifru_route_refcnt /* route references on interface */
 367 };
 368
 369 #define _SIZEOF_ADDR_IFREQ(ifr) \
 370         ((ifr).ifr_addr.sa_len > sizeof(struct sockaddr) ? \
 371          (sizeof(struct ifreq) - sizeof(struct sockaddr) + \
 372           (ifr).ifr_addr.sa_len) : sizeof(struct ifreq))
 373
 374 struct ifaliasreq {
 375         char    ifra_name[IFNAMSIZ];            /* if name, e.g. "en0" */
 376         struct  sockaddr ifra_addr;
 377         struct  sockaddr ifra_broadaddr;
 378         struct  sockaddr ifra_mask;
 379 };
 380
 381 struct rslvmulti_req {
 382      struct sockaddr *sa;
 383      struct sockaddr **llsa;
 384 };
 385
 386 #if !defined(KERNEL) || defined(KERNEL_PRIVATE)
 387 #pragma pack(4)
 388
 389 struct ifmediareq {
 390         char    ifm_name[IFNAMSIZ];     /* if name, e.g. "en0" */
 391         int     ifm_current;            /* current media options */
 392         int     ifm_mask;               /* don't care mask */
 393         int     ifm_status;             /* media status */
 394         int     ifm_active;             /* active options */
 395         int     ifm_count;              /* # entries in ifm_ulist array */
 396         int     *ifm_ulist;             /* media words */
 397 };
 398
 399 #pragma pack()
 400 #endif /* !KERNEL || KERNEL_PRIVATE */
 401
 402 #ifdef KERNEL_PRIVATE
 403 #pragma pack(4)
 404 struct ifmediareq64 {
 405         char    ifm_name[IFNAMSIZ];     /* if name, e.g. "en0" */
 406         int     ifm_current;            /* current media options */
 407         int     ifm_mask;               /* don't care mask */
 408         int     ifm_status;             /* media status */
 409         int     ifm_active;             /* active options */
 410         int     ifm_count;              /* # entries in ifm_ulist array */
 411         user64_addr_t ifmu_ulist __attribute__((aligned(8)));
 412 };
 413
 414 struct ifmediareq32 {
 415         char    ifm_name[IFNAMSIZ];     /* if name, e.g. "en0" */
 416         int     ifm_current;            /* current media options */
 417         int     ifm_mask;               /* don't care mask */
 418         int     ifm_status;             /* media status */
 419         int     ifm_active;             /* active options */
 420         int     ifm_count;              /* # entries in ifm_ulist array */
 421         user32_addr_t ifmu_ulist;       /* 32-bit pointer */
 422 };
 423 #pragma pack()
 424 #endif /* KERNEL_PRIVATE */
 425
 426
 427 #pragma pack(4)
 428 struct  ifdrv {
 429         char            ifd_name[IFNAMSIZ];     /* if name, e.g. "en0" */
 430         unsigned long   ifd_cmd;
 431         size_t          ifd_len;
 432         void            *ifd_data;
 433 };
 434 #pragma pack()
 435
 436 #ifdef KERNEL_PRIVATE
 437 #pragma pack(4)
 438 struct ifdrv32 {
 439         char            ifd_name[IFNAMSIZ];     /* if name, e.g. "en0" */
 440         u_int32_t       ifd_cmd;
 441         u_int32_t       ifd_len;
 442         user32_addr_t   ifd_data;
 443 };
 444
 445 struct  ifdrv64 {
 446         char            ifd_name[IFNAMSIZ];     /* if name, e.g. "en0" */
 447         u_int64_t       ifd_cmd;
 448         u_int64_t       ifd_len;
 449         user64_addr_t   ifd_data;
 450 };
 451 #pragma pack()
 452 #endif /* KERNEL_PRIVATE */
 453
 454 /*
 455  * Structure used to retrieve aux status data from interfaces.
 456  * Kernel suppliers to this interface should respect the formatting
 457  * needed by ifconfig(8): each line starts with a TAB and ends with
 458  * a newline.  The canonical example to copy and paste is in if_tun.c.
 459  */
 460
 461 #define IFSTATMAX       800             /* 10 lines of text */
 462 struct ifstat {
 463         char    ifs_name[IFNAMSIZ];     /* if name, e.g. "en0" */
 464         char    ascii[IFSTATMAX + 1];
 465 };
 466
 467 #if !defined(KERNEL) || defined(KERNEL_PRIVATE)
 468 /*
 469  * Structure used in SIOCGIFCONF request.
 470  * Used to retrieve interface configuration
 471  * for machine (useful for programs which
 472  * must know all networks accessible).
 473  */
 474 #pragma pack(4)
 475 struct  ifconf {
 476         int     ifc_len;                /* size of associated buffer */
 477         union {
 478                 caddr_t ifcu_buf;
 479                 struct  ifreq *ifcu_req;
 480         } ifc_ifcu;
 481 };
 482 #pragma pack()
 483 #define ifc_buf ifc_ifcu.ifcu_buf       /* buffer address */
 484 #define ifc_req ifc_ifcu.ifcu_req       /* array of structures returned */
 485 #endif /* !KERNEL || KERNEL_PRIVATE */
 486
 487 #if defined(KERNEL_PRIVATE)
 488 #pragma pack(4)
 489 struct ifconf32 {
 490         int     ifc_len;                /* size of associated buffer */
 491         struct {
 492                 user32_addr_t ifcu_req;
 493         } ifc_ifcu;
 494 };
 495
 496 struct ifconf64 {
 497         int     ifc_len;                /* size of associated buffer */
 498         struct {
 499                 user64_addr_t ifcu_req  __attribute__((aligned(8)));
 500         } ifc_ifcu;
 501 };
 502 #pragma pack()
 503 #endif /* KERNEL_PRIVATE */
 504
 505 /*
 506  * DLIL KEV_DL_PROTO_ATTACHED/DETACHED structure
 507  */
 508 struct kev_dl_proto_data {
 509      struct net_event_data      link_data;
 510      u_int32_t                  proto_family;
 511      u_int32_t                  proto_remaining_count;
 512 };
 513
 514 /*
 515  * Structure for SIOC[AGD]LIFADDR
 516  */
 517 struct if_laddrreq {
 518         char                    iflr_name[IFNAMSIZ];
 519         unsigned int            flags;
 520 #define IFLR_PREFIX     0x8000  /* in: prefix given  out: kernel fills id */
 521         unsigned int            prefixlen;         /* in/out */
 522         struct sockaddr_storage addr;   /* in/out */
 523         struct sockaddr_storage dstaddr; /* out */
 524 };
 525
 526 #ifdef KERNEL
 527 #ifdef MALLOC_DECLARE
 528 MALLOC_DECLARE(M_IFADDR);
 529 MALLOC_DECLARE(M_IFMADDR);
 530 #endif
 531 #endif
 532 #endif /* (_POSIX_C_SOURCE && !_DARWIN_C_SOURCE) */
 533
 534 #ifndef KERNEL
 535 struct if_nameindex {
 536         unsigned int     if_index;      /* 1, 2, ... */
 537         char            *if_name;       /* null terminated name: "le0", ... */
 538 };
 539
 540 __BEGIN_DECLS
 541 unsigned int     if_nametoindex(const char *);
 542 char            *if_indextoname(unsigned int, char *);
 543 struct           if_nameindex *if_nameindex(void);
 544 void             if_freenameindex(struct if_nameindex *);
 545 __END_DECLS
 546 #endif
 547
 548 #ifdef KERNEL
 549 #include <net/kpi_interface.h>
 550 #endif
 551
 552 #endif /* !_NET_IF_H_ */