bsd/net/if.h

   1 /*
   2  * Copyright (c) 2000-2011 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 #define KEV_DL_IFCAP_CHANGED            19
 100
 101 #include <net/if_var.h>
 102 #include <sys/types.h>
 103 #endif
 104
 105 #ifdef KERNEL_PRIVATE
 106 #define         IF_MAXUNIT      0x7fff  /* historical value */
 107
 108 struct if_clonereq {
 109         int     ifcr_total;             /* total cloners (out) */
 110         int     ifcr_count;             /* room for this many in user buffer */
 111         char    *ifcr_buffer;           /* buffer for cloner names */
 112 };
 113
 114 struct if_clonereq64 {
 115         int     ifcr_total;             /* total cloners (out) */
 116         int     ifcr_count;             /* room for this many in user buffer */
 117         user64_addr_t ifcru_buffer      __attribute__((aligned(8)));
 118 };
 119
 120 struct if_clonereq32 {
 121         int     ifcr_total;             /* total cloners (out) */
 122         int     ifcr_count;             /* room for this many in user buffer */
 123         user32_addr_t ifcru_buffer;
 124 };
 125 #endif /* KERNEL_PRIVATE */
 126
 127 #define IFF_UP          0x1             /* interface is up */
 128 #define IFF_BROADCAST   0x2             /* broadcast address valid */
 129 #define IFF_DEBUG       0x4             /* turn on debugging */
 130 #define IFF_LOOPBACK    0x8             /* is a loopback net */
 131 #define IFF_POINTOPOINT 0x10            /* interface is point-to-point link */
 132 #define IFF_NOTRAILERS 0x20             /* obsolete: avoid use of trailers */
 133 #define IFF_RUNNING     0x40            /* resources allocated */
 134 #define IFF_NOARP       0x80            /* no address resolution protocol */
 135 #define IFF_PROMISC     0x100           /* receive all packets */
 136 #define IFF_ALLMULTI    0x200           /* receive all multicast packets */
 137 #define IFF_OACTIVE     0x400           /* transmission in progress */
 138 #define IFF_SIMPLEX     0x800           /* can't hear own transmissions */
 139 #define IFF_LINK0       0x1000          /* per link layer defined bit */
 140 #define IFF_LINK1       0x2000          /* per link layer defined bit */
 141 #define IFF_LINK2       0x4000          /* per link layer defined bit */
 142 #define IFF_ALTPHYS     IFF_LINK2       /* use alternate physical connection */
 143 #define IFF_MULTICAST   0x8000          /* supports multicast */
 144
 145 #ifdef KERNEL_PRIVATE
 146 /* extended flags definitions:  (all bits are reserved for internal/future use) */
 147 #define IFEF_AUTOCONFIGURING    0x1
 148 #define IFEF_DVR_REENTRY_OK     0x20    /* When set, driver may be reentered from its own thread */
 149 #define IFEF_ACCEPT_RTADVD      0x40    /* set to accept IPv6 router advertisement on the interface */
 150 #define _IFEF_DETACHING         0x80    /* deprecated */
 151 #define IFEF_USEKPI             0x100   /* Set when interface is created through the KPIs */
 152 #define IFEF_VLAN               0x200   /* interface has one or more vlans */
 153 #define IFEF_BOND               0x400   /* interface is part of bond */
 154 #define IFEF_ARPLL              0x800   /* ARP for IPv4LL addresses on this port */
 155 #define IFEF_NOWINDOWSCALE      0x1000  /* Don't scale TCP window on iface */
 156 #define IFEF_NOAUTOIPV6LL       0x2000  /* Interface IPv6 LinkLocal address not provided by kernel */
 157 #define IFEF_SERVICE_TRIGGERED  0x20000 /* interface is on-demand dynamically created/destroyed */
 158 #define IFEF_SENDLIST           0x10000000 /* Interface supports sending a list of packets */
 159 #define _IFEF_REUSE             0x20000000 /* deprecated */
 160 #define _IFEF_INUSE             0x40000000 /* deprecated */
 161 #define IFEF_UPDOWNCHANGE       0x80000000 /* Interface's up/down state is changing */
 162
 163 /*
 164  * !!! NOTE !!!
 165  *
 166  * if_idle_flags definitions: (all bits are reserved for internal/future
 167  * use). Setting these flags MUST be done via the ifnet_set_idle_flags()
 168  * KPI due to the associated reference counting.  Clearing them may be done by
 169  * calling the KPI, otherwise implicitly at interface detach time.  Setting
 170  * the if_idle_flags field to a non-zero value will cause the networking
 171  * stack to aggressively purge expired objects (routes, etc.)
 172  */
 173 #define IFRF_IDLE_NOTIFY        0x1     /* Generate notifications on idle */
 174
 175 /* flags set internally only: */
 176 #define IFF_CANTCHANGE \
 177         (IFF_BROADCAST|IFF_POINTOPOINT|IFF_RUNNING|IFF_OACTIVE|\
 178             IFF_SIMPLEX|IFF_MULTICAST|IFF_ALLMULTI)
 179
 180 #endif /* KERNEL_PRIVATE */
 181
 182 /*
 183  * Capabilities that interfaces can advertise.
 184  *
 185  * struct ifnet.if_capabilities
 186  *   contains the optional features & capabilities a particular interface
 187  *   supports (not only the driver but also the detected hw revision).
 188  *   Capabilities are defined by IFCAP_* below.
 189  * struct ifnet.if_capenable
 190  *   contains the enabled (either by default or through ifconfig) optional
 191  *   features & capabilities on this interface.
 192  *   Capabilities are defined by IFCAP_* below.
 193  * struct if_data.ifi_hwassist in IFNET_* form, defined in net/kpi_interface.h,
 194  *   contains the enabled optional features & capabilites that can be used
 195  *   individually per packet and are specified in the mbuf pkthdr.csum_flags
 196  *   field.  IFCAP_* and IFNET_* do not match one to one and IFNET_* may be
 197  *   more detailed or differenciated than IFCAP_*.
 198  *   IFNET_* hwassist flags have corresponding CSUM_* in sys/mbuf.h
 199  */
 200 #define IFCAP_RXCSUM            0x00001 /* can offload checksum on RX */
 201 #define IFCAP_TXCSUM            0x00002 /* can offload checksum on TX */
 202 #define IFCAP_VLAN_MTU          0x00004 /* VLAN-compatible MTU */
 203 #define IFCAP_VLAN_HWTAGGING    0x00008 /* hardware VLAN tag support */
 204 #define IFCAP_JUMBO_MTU         0x00010 /* 9000 byte MTU supported */
 205 #define IFCAP_TSO4              0x00020 /* can do TCP Segmentation Offload */
 206 #define IFCAP_TSO6              0x00040 /* can do TCP6 Segmentation Offload */
 207 #define IFCAP_LRO               0x00080 /* can do Large Receive Offload */
 208 #define IFCAP_AV                0x00100 /* can do 802.1 AV Bridging */
 209
 210 #define IFCAP_HWCSUM    (IFCAP_RXCSUM | IFCAP_TXCSUM)
 211 #define IFCAP_TSO       (IFCAP_TSO4 | IFCAP_TSO6)
 212
 213 #define IFCAP_VALID (IFCAP_HWCSUM | IFCAP_TSO | IFCAP_LRO | IFCAP_VLAN_MTU | \
 214         IFCAP_VLAN_HWTAGGING | IFCAP_JUMBO_MTU | IFCAP_AV)
 215
 216 #define IFQ_MAXLEN      50
 217 #define IFNET_SLOWHZ    1               /* granularity is 1 second */
 218
 219 /*
 220  * Message format for use in obtaining information about interfaces
 221  * from sysctl and the routing socket
 222  */
 223 struct if_msghdr {
 224         unsigned short  ifm_msglen;     /* to skip over non-understood messages */
 225         unsigned char   ifm_version;    /* future binary compatability */
 226         unsigned char   ifm_type;       /* message type */
 227         int             ifm_addrs;      /* like rtm_addrs */
 228         int             ifm_flags;      /* value of if_flags */
 229         unsigned short  ifm_index;      /* index for associated ifp */
 230         struct  if_data ifm_data;       /* statistics and other data about if */
 231 };
 232
 233 /*
 234  * Message format for use in obtaining information about interface addresses
 235  * from sysctl and the routing socket
 236  */
 237 struct ifa_msghdr {
 238         unsigned short  ifam_msglen;    /* to skip over non-understood messages */
 239         unsigned char   ifam_version;   /* future binary compatability */
 240         unsigned char   ifam_type;      /* message type */
 241         int             ifam_addrs;     /* like rtm_addrs */
 242         int             ifam_flags;     /* value of ifa_flags */
 243         unsigned short  ifam_index;     /* index for associated ifp */
 244         int             ifam_metric;    /* value of ifa_metric */
 245 };
 246
 247 /*
 248  * Message format for use in obtaining information about multicast addresses
 249  * from the routing socket
 250  */
 251 struct ifma_msghdr {
 252         unsigned short  ifmam_msglen;   /* to skip over non-understood messages */
 253         unsigned char   ifmam_version;  /* future binary compatability */
 254         unsigned char   ifmam_type;     /* message type */
 255         int             ifmam_addrs;    /* like rtm_addrs */
 256         int             ifmam_flags;    /* value of ifa_flags */
 257         unsigned short  ifmam_index;    /* index for associated ifp */
 258 };
 259
 260 /*
 261  * Message format for use in obtaining information about interfaces
 262  * from sysctl
 263  */
 264 struct if_msghdr2 {
 265         u_short ifm_msglen;     /* to skip over non-understood messages */
 266         u_char  ifm_version;    /* future binary compatability */
 267         u_char  ifm_type;       /* message type */
 268         int     ifm_addrs;      /* like rtm_addrs */
 269         int     ifm_flags;      /* value of if_flags */
 270         u_short ifm_index;      /* index for associated ifp */
 271         int     ifm_snd_len;    /* instantaneous length of send queue */
 272         int     ifm_snd_maxlen; /* maximum length of send queue */
 273         int     ifm_snd_drops;  /* number of drops in send queue */
 274         int     ifm_timer;      /* time until if_watchdog called */
 275         struct if_data64        ifm_data;       /* statistics and other data about if */
 276 };
 277
 278 /*
 279  * Message format for use in obtaining information about multicast addresses
 280  * from sysctl
 281  */
 282 struct ifma_msghdr2 {
 283         u_short ifmam_msglen;   /* to skip over non-understood messages */
 284         u_char  ifmam_version;  /* future binary compatability */
 285         u_char  ifmam_type;     /* message type */
 286         int     ifmam_addrs;    /* like rtm_addrs */
 287         int     ifmam_flags;    /* value of ifa_flags */
 288         u_short ifmam_index;    /* index for associated ifp */
 289         int32_t ifmam_refcount;
 290 };
 291
 292 /*
 293  * ifdevmtu: interface device mtu
 294  *    Used with SIOCGIFDEVMTU to get the current mtu in use by the device,
 295  *    as well as the minimum and maximum mtu allowed by the device.
 296  */
 297 struct ifdevmtu {
 298         int     ifdm_current;
 299         int     ifdm_min;
 300         int     ifdm_max;
 301 };
 302
 303 #pragma pack(4)
 304
 305 /*
 306  ifkpi: interface kpi ioctl
 307  Used with SIOCSIFKPI and SIOCGIFKPI.
 308
 309  ifk_module_id - From in the kernel, a value from kev_vendor_code_find. From
 310         user space, a value from SIOCGKEVVENDOR ioctl on a kernel event socket.
 311  ifk_type - The type. Types are specific to each module id.
 312  ifk_data - The data. ifk_ptr may be a 64bit pointer for 64 bit processes.
 313
 314  Copying data between user space and kernel space is done using copyin
 315  and copyout. A process may be running in 64bit mode. In such a case,
 316  the pointer will be a 64bit pointer, not a 32bit pointer. The following
 317  sample is a safe way to copy the data in to the kernel from either a
 318  32bit or 64bit process:
 319
 320  user_addr_t tmp_ptr;
 321  if (IS_64BIT_PROCESS(current_proc())) {
 322         tmp_ptr = CAST_USER_ADDR_T(ifkpi.ifk_data.ifk_ptr64);
 323  }
 324  else {
 325         tmp_ptr = CAST_USER_ADDR_T(ifkpi.ifk_data.ifk_ptr);
 326  }
 327  error = copyin(tmp_ptr, allocated_dst_buffer, size of allocated_dst_buffer);
 328  */
 329
 330 struct ifkpi {
 331         unsigned int    ifk_module_id;
 332         unsigned int    ifk_type;
 333         union {
 334                 void            *ifk_ptr;
 335                 int             ifk_value;
 336 #ifdef KERNEL
 337                 u_int64_t       ifk_ptr64;
 338 #endif /* KERNEL */
 339         } ifk_data;
 340 };
 341
 342 /* Wake capabilities of a interface */
 343 #define IF_WAKE_ON_MAGIC_PACKET         0x01
 344 #ifdef KERNEL_PRIVATE
 345 #define IF_WAKE_VALID_FLAGS IF_WAKE_ON_MAGIC_PACKET
 346 #endif /* KERNEL_PRIVATE */
 347
 348
 349 #pragma pack()
 350
 351 /*
 352  * Interface request structure used for socket
 353  * ioctl's.  All interface ioctl's must have parameter
 354  * definitions which begin with ifr_name.  The
 355  * remainder may be interface specific.
 356  */
 357 struct  ifreq {
 358 #ifndef IFNAMSIZ
 359 #define IFNAMSIZ        IF_NAMESIZE
 360 #endif
 361         char    ifr_name[IFNAMSIZ];             /* if name, e.g. "en0" */
 362         union {
 363                 struct  sockaddr ifru_addr;
 364                 struct  sockaddr ifru_dstaddr;
 365                 struct  sockaddr ifru_broadaddr;
 366                 short   ifru_flags;
 367                 int     ifru_metric;
 368                 int     ifru_mtu;
 369                 int     ifru_phys;
 370                 int     ifru_media;
 371                 int     ifru_intval;
 372                 caddr_t ifru_data;
 373 #ifdef KERNEL_PRIVATE
 374                 u_int64_t ifru_data64;  /* 64-bit ifru_data */
 375 #endif /* KERNEL_PRIVATE */
 376                 struct  ifdevmtu ifru_devmtu;
 377                 struct  ifkpi   ifru_kpi;
 378                 u_int32_t ifru_wake_flags;
 379                 u_int32_t ifru_route_refcnt;
 380                 int     ifru_cap[2];
 381         } ifr_ifru;
 382 #define ifr_addr        ifr_ifru.ifru_addr      /* address */
 383 #define ifr_dstaddr     ifr_ifru.ifru_dstaddr   /* other end of p-to-p link */
 384 #define ifr_broadaddr   ifr_ifru.ifru_broadaddr /* broadcast address */
 385 #ifdef __APPLE__
 386 #define ifr_flags       ifr_ifru.ifru_flags     /* flags */
 387 #else
 388 #define ifr_flags       ifr_ifru.ifru_flags[0]  /* flags */
 389 #define ifr_prevflags   ifr_ifru.ifru_flags[1]  /* flags */
 390 #endif /* __APPLE__ */
 391 #define ifr_metric      ifr_ifru.ifru_metric    /* metric */
 392 #define ifr_mtu         ifr_ifru.ifru_mtu       /* mtu */
 393 #define ifr_phys        ifr_ifru.ifru_phys      /* physical wire */
 394 #define ifr_media       ifr_ifru.ifru_media     /* physical media */
 395 #define ifr_data        ifr_ifru.ifru_data      /* for use by interface */
 396 #define ifr_devmtu      ifr_ifru.ifru_devmtu
 397 #define ifr_intval      ifr_ifru.ifru_intval    /* integer value */
 398 #ifdef KERNEL_PRIVATE
 399 #define ifr_data64      ifr_ifru.ifru_data64    /* 64-bit pointer */
 400 #endif /* KERNEL_PRIVATE */
 401 #define ifr_kpi         ifr_ifru.ifru_kpi
 402 #define ifr_wake_flags  ifr_ifru.ifru_wake_flags /* wake capabilities of devive */
 403 #define ifr_route_refcnt ifr_ifru.ifru_route_refcnt /* route references on interface */
 404 #define ifr_reqcap      ifr_ifru.ifru_cap[0]    /* requested capabilities */
 405 #define ifr_curcap      ifr_ifru.ifru_cap[1]    /* current capabilities */
 406 };
 407
 408 #define _SIZEOF_ADDR_IFREQ(ifr) \
 409         ((ifr).ifr_addr.sa_len > sizeof(struct sockaddr) ? \
 410          (sizeof(struct ifreq) - sizeof(struct sockaddr) + \
 411           (ifr).ifr_addr.sa_len) : sizeof(struct ifreq))
 412
 413 struct ifaliasreq {
 414         char    ifra_name[IFNAMSIZ];            /* if name, e.g. "en0" */
 415         struct  sockaddr ifra_addr;
 416         struct  sockaddr ifra_broadaddr;
 417         struct  sockaddr ifra_mask;
 418 };
 419
 420 struct rslvmulti_req {
 421      struct sockaddr *sa;
 422      struct sockaddr **llsa;
 423 };
 424
 425 #if !defined(KERNEL) || defined(KERNEL_PRIVATE)
 426 #pragma pack(4)
 427
 428 struct 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
 438 #pragma pack()
 439 #endif /* !KERNEL || KERNEL_PRIVATE */
 440
 441 #ifdef KERNEL_PRIVATE
 442 #pragma pack(4)
 443 struct ifmediareq64 {
 444         char    ifm_name[IFNAMSIZ];     /* if name, e.g. "en0" */
 445         int     ifm_current;            /* current media options */
 446         int     ifm_mask;               /* don't care mask */
 447         int     ifm_status;             /* media status */
 448         int     ifm_active;             /* active options */
 449         int     ifm_count;              /* # entries in ifm_ulist array */
 450         user64_addr_t ifmu_ulist __attribute__((aligned(8)));
 451 };
 452
 453 struct ifmediareq32 {
 454         char    ifm_name[IFNAMSIZ];     /* if name, e.g. "en0" */
 455         int     ifm_current;            /* current media options */
 456         int     ifm_mask;               /* don't care mask */
 457         int     ifm_status;             /* media status */
 458         int     ifm_active;             /* active options */
 459         int     ifm_count;              /* # entries in ifm_ulist array */
 460         user32_addr_t ifmu_ulist;       /* 32-bit pointer */
 461 };
 462 #pragma pack()
 463 #endif /* KERNEL_PRIVATE */
 464
 465
 466 #pragma pack(4)
 467 struct  ifdrv {
 468         char            ifd_name[IFNAMSIZ];     /* if name, e.g. "en0" */
 469         unsigned long   ifd_cmd;
 470         size_t          ifd_len;
 471         void            *ifd_data;
 472 };
 473 #pragma pack()
 474
 475 #ifdef KERNEL_PRIVATE
 476 #pragma pack(4)
 477 struct ifdrv32 {
 478         char            ifd_name[IFNAMSIZ];     /* if name, e.g. "en0" */
 479         u_int32_t       ifd_cmd;
 480         u_int32_t       ifd_len;
 481         user32_addr_t   ifd_data;
 482 };
 483
 484 struct  ifdrv64 {
 485         char            ifd_name[IFNAMSIZ];     /* if name, e.g. "en0" */
 486         u_int64_t       ifd_cmd;
 487         u_int64_t       ifd_len;
 488         user64_addr_t   ifd_data;
 489 };
 490 #pragma pack()
 491 #endif /* KERNEL_PRIVATE */
 492
 493 /*
 494  * Structure used to retrieve aux status data from interfaces.
 495  * Kernel suppliers to this interface should respect the formatting
 496  * needed by ifconfig(8): each line starts with a TAB and ends with
 497  * a newline.  The canonical example to copy and paste is in if_tun.c.
 498  */
 499
 500 #define IFSTATMAX       800             /* 10 lines of text */
 501 struct ifstat {
 502         char    ifs_name[IFNAMSIZ];     /* if name, e.g. "en0" */
 503         char    ascii[IFSTATMAX + 1];
 504 };
 505
 506 #if !defined(KERNEL) || defined(KERNEL_PRIVATE)
 507 /*
 508  * Structure used in SIOCGIFCONF request.
 509  * Used to retrieve interface configuration
 510  * for machine (useful for programs which
 511  * must know all networks accessible).
 512  */
 513 #pragma pack(4)
 514 struct  ifconf {
 515         int     ifc_len;                /* size of associated buffer */
 516         union {
 517                 caddr_t ifcu_buf;
 518                 struct  ifreq *ifcu_req;
 519         } ifc_ifcu;
 520 };
 521 #pragma pack()
 522 #define ifc_buf ifc_ifcu.ifcu_buf       /* buffer address */
 523 #define ifc_req ifc_ifcu.ifcu_req       /* array of structures returned */
 524 #endif /* !KERNEL || KERNEL_PRIVATE */
 525
 526 #if defined(KERNEL_PRIVATE)
 527 #pragma pack(4)
 528 struct ifconf32 {
 529         int     ifc_len;                /* size of associated buffer */
 530         struct {
 531                 user32_addr_t ifcu_req;
 532         } ifc_ifcu;
 533 };
 534
 535 struct ifconf64 {
 536         int     ifc_len;                /* size of associated buffer */
 537         struct {
 538                 user64_addr_t ifcu_req  __attribute__((aligned(8)));
 539         } ifc_ifcu;
 540 };
 541 #pragma pack()
 542 #endif /* KERNEL_PRIVATE */
 543
 544 /*
 545  * DLIL KEV_DL_PROTO_ATTACHED/DETACHED structure
 546  */
 547 struct kev_dl_proto_data {
 548      struct net_event_data      link_data;
 549      u_int32_t                  proto_family;
 550      u_int32_t                  proto_remaining_count;
 551 };
 552
 553 /*
 554  * Structure for SIOC[AGD]LIFADDR
 555  */
 556 struct if_laddrreq {
 557         char                    iflr_name[IFNAMSIZ];
 558         unsigned int            flags;
 559 #define IFLR_PREFIX     0x8000  /* in: prefix given  out: kernel fills id */
 560         unsigned int            prefixlen;         /* in/out */
 561         struct sockaddr_storage addr;   /* in/out */
 562         struct sockaddr_storage dstaddr; /* out */
 563 };
 564
 565 #ifdef KERNEL
 566 #ifdef MALLOC_DECLARE
 567 MALLOC_DECLARE(M_IFADDR);
 568 MALLOC_DECLARE(M_IFMADDR);
 569 #endif
 570 #endif
 571 #endif /* (_POSIX_C_SOURCE && !_DARWIN_C_SOURCE) */
 572
 573 #ifndef KERNEL
 574 struct if_nameindex {
 575         unsigned int     if_index;      /* 1, 2, ... */
 576         char            *if_name;       /* null terminated name: "le0", ... */
 577 };
 578
 579 __BEGIN_DECLS
 580 unsigned int     if_nametoindex(const char *);
 581 char            *if_indextoname(unsigned int, char *);
 582 struct           if_nameindex *if_nameindex(void);
 583 void             if_freenameindex(struct if_nameindex *);
 584 __END_DECLS
 585 #endif
 586
 587 #ifdef KERNEL
 588 #include <net/kpi_interface.h>
 589 #endif
 590
 591 #endif /* !_NET_IF_H_ */