bsd/net/if.h

   1 /*
   2  * Copyright (c) 2000-2018 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  */
  62
  63 #ifndef _NET_IF_H_
  64 #define _NET_IF_H_
  65
  66 #include <sys/cdefs.h>
  67 #include <net/net_kev.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 #include <net/if_var.h>
  76 #include <sys/types.h>
  77 #include <sys/socket.h>
  78
  79 #ifdef PRIVATE
  80 #include <net/if_dl.h>
  81 #include <netinet/in.h>
  82 #include <mach/vm_types.h>
  83 #endif /* PRIVATE */
  84 #endif
  85
  86 struct if_clonereq {
  87         int     ifcr_total;             /* total cloners (out) */
  88         int     ifcr_count;             /* room for this many in user buffer */
  89         char    *ifcr_buffer;           /* buffer for cloner names */
  90 };
  91
  92 #ifdef KERNEL_PRIVATE
  93 #define IF_MAXUNIT      0x7fff  /* historical value */
  94
  95 struct if_clonereq64 {
  96         int     ifcr_total;             /* total cloners (out) */
  97         int     ifcr_count;             /* room for this many in user buffer */
  98         user64_addr_t ifcru_buffer      __attribute__((aligned(8)));
  99 };
 100
 101 struct if_clonereq32 {
 102         int     ifcr_total;             /* total cloners (out) */
 103         int     ifcr_count;             /* room for this many in user buffer */
 104         user32_addr_t ifcru_buffer;
 105 };
 106 #endif /* KERNEL_PRIVATE */
 107
 108 #define IFF_UP          0x1             /* interface is up */
 109 #define IFF_BROADCAST   0x2             /* broadcast address valid */
 110 #define IFF_DEBUG       0x4             /* turn on debugging */
 111 #define IFF_LOOPBACK    0x8             /* is a loopback net */
 112 #define IFF_POINTOPOINT 0x10            /* interface is point-to-point link */
 113 #define IFF_NOTRAILERS  0x20            /* obsolete: avoid use of trailers */
 114 #define IFF_RUNNING     0x40            /* resources allocated */
 115 #define IFF_NOARP       0x80            /* no address resolution protocol */
 116 #define IFF_PROMISC     0x100           /* receive all packets */
 117 #define IFF_ALLMULTI    0x200           /* receive all multicast packets */
 118 #define IFF_OACTIVE     0x400           /* transmission in progress */
 119 #define IFF_SIMPLEX     0x800           /* can't hear own transmissions */
 120 #define IFF_LINK0       0x1000          /* per link layer defined bit */
 121 #define IFF_LINK1       0x2000          /* per link layer defined bit */
 122 #define IFF_LINK2       0x4000          /* per link layer defined bit */
 123 #define IFF_ALTPHYS     IFF_LINK2       /* use alternate physical connection */
 124 #define IFF_MULTICAST   0x8000          /* supports multicast */
 125
 126 #ifdef PRIVATE
 127 /* extended flags definitions:  (all bits reserved for internal/future use) */
 128 #define IFEF_AUTOCONFIGURING    0x00000001      /* allow BOOTP/DHCP replies to enter */
 129 #define IFEF_ENQUEUE_MULTI      0x00000002      /* enqueue multiple packets at once */
 130 #define IFEF_DELAY_START        0x00000004      /* delay start callback */
 131 #define IFEF_PROBE_CONNECTIVITY 0x00000008      /* Probe connections going over this interface */
 132 #define IFEF_QOSMARKING_CAPABLE 0x00000010      /* XXX Obsolete, to be removed */
 133 #define IFEF_IPV6_DISABLED      0x00000020      /* coupled to ND6_IFF_IFDISABLED */
 134 #define IFEF_ACCEPT_RTADV       0x00000040      /* accepts IPv6 RA on the interface */
 135 #define IFEF_TXSTART            0x00000080      /* has start callback */
 136 #define IFEF_RXPOLL             0x00000100      /* supports opportunistic input poll */
 137 #define IFEF_VLAN               0x00000200      /* interface has one or more vlans */
 138 #define IFEF_BOND               0x00000400      /* interface is part of bond */
 139 #define IFEF_ARPLL              0x00000800      /* ARP for IPv4LL addresses */
 140 #define IFEF_CLAT46             0x00001000      /* CLAT46 RFC 6877 */
 141
 142 #define IS_INTF_CLAT46(ifp)     ((ifp) != NULL && ((ifp)->if_eflags & IFEF_CLAT46))
 143 #define INTF_ADJUST_MTU_FOR_CLAT46(intf)                \
 144     (IS_INTF_CLAT46((intf)) ||                          \
 145      IS_INTF_CLAT46((intf)->if_delegated.ifp))          \
 146
 147 /*
 148  * XXX IFEF_NOAUTOIPV6LL is deprecated and should be done away with.
 149  * Configd pretty much manages the interface configuration.
 150  * Rather than looking at the flag we check if a specific LLA
 151  * has to be configured or the IID has to be generated by kernel.
 152  */
 153 #define IFEF_NOAUTOIPV6LL       0x00002000      /* Need explicit IPv6 LL address */
 154 #define IFEF_EXPENSIVE          0x00004000      /* Data access has a cost */
 155 #define IFEF_IPV4_ROUTER        0x00008000      /* interior when in IPv4 router mode */
 156 #define IFEF_IPV6_ROUTER        0x00010000      /* interior when in IPv6 router mode */
 157 #define IFEF_LOCALNET_PRIVATE   0x00020000      /* local private network */
 158 #define IFEF_SERVICE_TRIGGERED  IFEF_LOCALNET_PRIVATE
 159 #define IFEF_IPV6_ND6ALT        0x00040000      /* alternative. KPI for ND6 */
 160 #define IFEF_RESTRICTED_RECV    0x00080000      /* interface restricts inbound pkts */
 161 #define IFEF_AWDL               0x00100000      /* Apple Wireless Direct Link */
 162 #define IFEF_NOACKPRI           0x00200000      /* No TCP ACK prioritization */
 163 #define IFEF_AWDL_RESTRICTED    0x00400000      /* Restricted AWDL mode */
 164 #define IFEF_2KCL               0x00800000      /* prefers 2K cluster (socket based tunnel) */
 165 #define IFEF_ECN_ENABLE         0x01000000      /* use ECN for TCP connections on the interface */
 166 #define IFEF_ECN_DISABLE        0x02000000      /* do not use ECN for TCP connections on the interface */
 167 #define IFEF_SKYWALK_NATIVE     0x04000000      /* Native Skywalk support */
 168 #define IFEF_3CA                0x08000000      /* Capable of 3CA */
 169 #define IFEF_SENDLIST           0x10000000      /* Supports tx packet lists */
 170 #define IFEF_DIRECTLINK         0x20000000      /* point-to-point topology */
 171 #define IFEF_QOSMARKING_ENABLED 0x40000000      /* OoS marking is enabled */
 172 #define IFEF_UPDOWNCHANGE       0x80000000      /* up/down state is changing */
 173
 174 #ifdef XNU_KERNEL_PRIVATE
 175 /*
 176  * Extra flags
 177  */
 178 #define IFXF_WAKE_ON_MAGIC_PACKET       0x00000001 /* wake on magic packet */
 179 #define IFXF_TIMESTAMP_ENABLED          0x00000002 /* time stamping enabled */
 180 #define IFXF_NX_NOAUTO                  0x00000004 /* no auto config nexus */
 181 #define IFXF_MULTISTACK_BPF_TAP         0x00000008 /* multistack bpf tap */
 182 #define IFXF_LOW_INTERNET_UL            0x00000010 /* Uplink Low Internet is confirmed */
 183 #define IFXF_LOW_INTERNET_DL            0x00000020 /* Downlink Low Internet is confirmed */
 184 #define IFXF_ALLOC_KPI                  0x00000040 /* Allocated via the ifnet_alloc KPI */
 185 #define IFXF_LOW_POWER                  0x00000080 /* Low Power Mode */
 186
 187 /*
 188  * Current requirements for an AWDL interface.  Setting/clearing IFEF_AWDL
 189  * will also trigger the setting/clearing of the rest of the flags.  Once
 190  * IFEF_AWDL is set, the rest of flags cannot be cleared, by definition.
 191  */
 192 #define IFEF_AWDL_MASK \
 193         (IFEF_LOCALNET_PRIVATE | IFEF_IPV6_ND6ALT | IFEF_RESTRICTED_RECV | \
 194         IFEF_AWDL)
 195 #endif /* XNU_KERNEL_PRIVATE */
 196 #endif /* PRIVATE */
 197
 198 #ifdef KERNEL_PRIVATE
 199 /*
 200  * !!! NOTE !!!
 201  *
 202  * if_idle_flags definitions: (all bits are reserved for internal/future
 203  * use). Setting these flags MUST be done via the ifnet_set_idle_flags()
 204  * KPI due to the associated reference counting.  Clearing them may be done by
 205  * calling the KPI, otherwise implicitly at interface detach time.  Setting
 206  * the if_idle_flags field to a non-zero value will cause the networking
 207  * stack to aggressively purge expired objects (routes, etc.)
 208  */
 209 #define IFRF_IDLE_NOTIFY        0x1     /* Generate notifications on idle */
 210
 211 /* flags set internally only: */
 212 #define IFF_CANTCHANGE \
 213         (IFF_BROADCAST|IFF_POINTOPOINT|IFF_RUNNING|IFF_OACTIVE|\
 214             IFF_SIMPLEX|IFF_MULTICAST|IFF_ALLMULTI)
 215 #endif /* KERNEL_PRIVATE */
 216
 217 /*
 218  * Capabilities that interfaces can advertise.
 219  *
 220  * struct ifnet.if_capabilities
 221  *   contains the optional features & capabilities a particular interface
 222  *   supports (not only the driver but also the detected hw revision).
 223  *   Capabilities are defined by IFCAP_* below.
 224  * struct ifnet.if_capenable
 225  *   contains the enabled (either by default or through ifconfig) optional
 226  *   features & capabilities on this interface.
 227  *   Capabilities are defined by IFCAP_* below.
 228  * struct if_data.ifi_hwassist in IFNET_* form, defined in net/kpi_interface.h,
 229  *   contains the enabled optional features & capabilites that can be used
 230  *   individually per packet and are specified in the mbuf pkthdr.csum_flags
 231  *   field.  IFCAP_* and IFNET_* do not match one to one and IFNET_* may be
 232  *   more detailed or differentiated than IFCAP_*.
 233  *   IFNET_* hwassist flags have corresponding CSUM_* in sys/mbuf.h
 234  */
 235 #define IFCAP_RXCSUM            0x00001 /* can offload checksum on RX */
 236 #define IFCAP_TXCSUM            0x00002 /* can offload checksum on TX */
 237 #define IFCAP_VLAN_MTU          0x00004 /* VLAN-compatible MTU */
 238 #define IFCAP_VLAN_HWTAGGING    0x00008 /* hardware VLAN tag support */
 239 #define IFCAP_JUMBO_MTU         0x00010 /* 9000 byte MTU supported */
 240 #define IFCAP_TSO4              0x00020 /* can do TCP Segmentation Offload */
 241 #define IFCAP_TSO6              0x00040 /* can do TCP6 Segmentation Offload */
 242 #define IFCAP_LRO               0x00080 /* can do Large Receive Offload */
 243 #define IFCAP_AV                0x00100 /* can do 802.1 AV Bridging */
 244 #define IFCAP_TXSTATUS          0x00200 /* can return linklevel xmit status */
 245 #define IFCAP_SKYWALK           0x00400 /* Skywalk mode supported/enabled */
 246 #define IFCAP_HW_TIMESTAMP      0x00800 /* Time stamping in hardware */
 247 #define IFCAP_SW_TIMESTAMP      0x01000 /* Time stamping in software */
 248 #define IFCAP_CSUM_PARTIAL      0x02000 /* can offload partial checksum */
 249 #define IFCAP_CSUM_ZERO_INVERT  0x04000 /* can invert 0 to -0 (0xffff) */
 250
 251 #define IFCAP_HWCSUM    (IFCAP_RXCSUM | IFCAP_TXCSUM)
 252 #define IFCAP_TSO       (IFCAP_TSO4 | IFCAP_TSO6)
 253
 254 #define IFCAP_VALID (IFCAP_HWCSUM | IFCAP_TSO | IFCAP_LRO | IFCAP_VLAN_MTU | \
 255         IFCAP_VLAN_HWTAGGING | IFCAP_JUMBO_MTU | IFCAP_AV | IFCAP_TXSTATUS | \
 256         IFCAP_SKYWALK | IFCAP_SW_TIMESTAMP | IFCAP_HW_TIMESTAMP | \
 257         IFCAP_CSUM_PARTIAL | IFCAP_CSUM_ZERO_INVERT)
 258
 259 #define IFQ_MAXLEN      128
 260 #define IFNET_SLOWHZ    1       /* granularity is 1 second */
 261 #define IFQ_TARGET_DELAY        (10ULL * 1000 * 1000)   /* 10 ms */
 262 #define IFQ_UPDATE_INTERVAL     (100ULL * 1000 * 1000)  /* 100 ms */
 263
 264 /*
 265  * Message format for use in obtaining information about interfaces
 266  * from sysctl and the routing socket
 267  */
 268 struct if_msghdr {
 269         unsigned short  ifm_msglen;     /* to skip non-understood messages */
 270         unsigned char   ifm_version;    /* future binary compatability */
 271         unsigned char   ifm_type;       /* message type */
 272         int             ifm_addrs;      /* like rtm_addrs */
 273         int             ifm_flags;      /* value of if_flags */
 274         unsigned short  ifm_index;      /* index for associated ifp */
 275         struct  if_data ifm_data;       /* statistics and other data about if */
 276 };
 277
 278 /*
 279  * Message format for use in obtaining information about interface addresses
 280  * from sysctl and the routing socket
 281  */
 282 struct ifa_msghdr {
 283         unsigned short  ifam_msglen;    /* to skip non-understood messages */
 284         unsigned char   ifam_version;   /* future binary compatability */
 285         unsigned char   ifam_type;      /* message type */
 286         int             ifam_addrs;     /* like rtm_addrs */
 287         int             ifam_flags;     /* value of ifa_flags */
 288         unsigned short  ifam_index;     /* index for associated ifp */
 289         int             ifam_metric;    /* value of ifa_metric */
 290 };
 291
 292 /*
 293  * Message format for use in obtaining information about multicast addresses
 294  * from the routing socket
 295  */
 296 struct ifma_msghdr {
 297         unsigned short  ifmam_msglen;   /* to skip non-understood messages */
 298         unsigned char   ifmam_version;  /* future binary compatability */
 299         unsigned char   ifmam_type;     /* message type */
 300         int             ifmam_addrs;    /* like rtm_addrs */
 301         int             ifmam_flags;    /* value of ifa_flags */
 302         unsigned short  ifmam_index;    /* index for associated ifp */
 303 };
 304
 305 /*
 306  * Message format for use in obtaining information about interfaces
 307  * from sysctl
 308  */
 309 struct if_msghdr2 {
 310         u_short ifm_msglen;     /* to skip over non-understood messages */
 311         u_char  ifm_version;    /* future binary compatability */
 312         u_char  ifm_type;       /* message type */
 313         int     ifm_addrs;      /* like rtm_addrs */
 314         int     ifm_flags;      /* value of if_flags */
 315         u_short ifm_index;      /* index for associated ifp */
 316         int     ifm_snd_len;    /* instantaneous length of send queue */
 317         int     ifm_snd_maxlen; /* maximum length of send queue */
 318         int     ifm_snd_drops;  /* number of drops in send queue */
 319         int     ifm_timer;      /* time until if_watchdog called */
 320         struct if_data64        ifm_data;       /* statistics and other data */
 321 };
 322
 323 /*
 324  * Message format for use in obtaining information about multicast addresses
 325  * from sysctl
 326  */
 327 struct ifma_msghdr2 {
 328         u_short ifmam_msglen;   /* to skip over non-understood messages */
 329         u_char  ifmam_version;  /* future binary compatability */
 330         u_char  ifmam_type;     /* message type */
 331         int     ifmam_addrs;    /* like rtm_addrs */
 332         int     ifmam_flags;    /* value of ifa_flags */
 333         u_short ifmam_index;    /* index for associated ifp */
 334         int32_t ifmam_refcount;
 335 };
 336
 337 /*
 338  * ifdevmtu: interface device mtu
 339  *    Used with SIOCGIFDEVMTU to get the current mtu in use by the device,
 340  *    as well as the minimum and maximum mtu allowed by the device.
 341  */
 342 struct ifdevmtu {
 343         int     ifdm_current;
 344         int     ifdm_min;
 345         int     ifdm_max;
 346 };
 347
 348 #pragma pack(4)
 349
 350 /*
 351  ifkpi: interface kpi ioctl
 352  Used with SIOCSIFKPI and SIOCGIFKPI.
 353
 354  ifk_module_id - From in the kernel, a value from kev_vendor_code_find. From
 355         user space, a value from SIOCGKEVVENDOR ioctl on a kernel event socket.
 356  ifk_type - The type. Types are specific to each module id.
 357  ifk_data - The data. ifk_ptr may be a 64bit pointer for 64 bit processes.
 358
 359  Copying data between user space and kernel space is done using copyin
 360  and copyout. A process may be running in 64bit mode. In such a case,
 361  the pointer will be a 64bit pointer, not a 32bit pointer. The following
 362  sample is a safe way to copy the data in to the kernel from either a
 363  32bit or 64bit process:
 364
 365  user_addr_t tmp_ptr;
 366  if (IS_64BIT_PROCESS(current_proc())) {
 367         tmp_ptr = CAST_USER_ADDR_T(ifkpi.ifk_data.ifk_ptr64);
 368  }
 369  else {
 370         tmp_ptr = CAST_USER_ADDR_T(ifkpi.ifk_data.ifk_ptr);
 371  }
 372  error = copyin(tmp_ptr, allocated_dst_buffer, size of allocated_dst_buffer);
 373  */
 374
 375 struct ifkpi {
 376         unsigned int    ifk_module_id;
 377         unsigned int    ifk_type;
 378         union {
 379                 void            *ifk_ptr;
 380                 int             ifk_value;
 381 #ifdef KERNEL
 382                 u_int64_t       ifk_ptr64;
 383 #endif /* KERNEL */
 384         } ifk_data;
 385 };
 386
 387 /* Wake capabilities of a interface */
 388 #define IF_WAKE_ON_MAGIC_PACKET         0x01
 389 #ifdef KERNEL_PRIVATE
 390 #define IF_WAKE_VALID_FLAGS IF_WAKE_ON_MAGIC_PACKET
 391 #endif /* KERNEL_PRIVATE */
 392
 393
 394 #pragma pack()
 395
 396 /*
 397  * Interface request structure used for socket
 398  * ioctl's.  All interface ioctl's must have parameter
 399  * definitions which begin with ifr_name.  The
 400  * remainder may be interface specific.
 401  */
 402 struct  ifreq {
 403 #ifndef IFNAMSIZ
 404 #define IFNAMSIZ        IF_NAMESIZE
 405 #endif
 406         char    ifr_name[IFNAMSIZ];             /* if name, e.g. "en0" */
 407         union {
 408                 struct  sockaddr ifru_addr;
 409                 struct  sockaddr ifru_dstaddr;
 410                 struct  sockaddr ifru_broadaddr;
 411                 short   ifru_flags;
 412                 int     ifru_metric;
 413                 int     ifru_mtu;
 414                 int     ifru_phys;
 415                 int     ifru_media;
 416                 int     ifru_intval;
 417                 caddr_t ifru_data;
 418 #ifdef KERNEL_PRIVATE
 419                 u_int64_t ifru_data64;  /* 64-bit ifru_data */
 420 #endif /* KERNEL_PRIVATE */
 421                 struct  ifdevmtu ifru_devmtu;
 422                 struct  ifkpi   ifru_kpi;
 423                 u_int32_t ifru_wake_flags;
 424                 u_int32_t ifru_route_refcnt;
 425 #ifdef PRIVATE
 426                 int     ifru_link_quality_metric;
 427 #endif /* PRIVATE */
 428                 int     ifru_cap[2];
 429 #ifdef PRIVATE
 430                 struct {
 431                         uint32_t        ifo_flags;
 432 #define IFRIFOF_BLOCK_OPPORTUNISTIC     0x00000001
 433                         uint32_t        ifo_inuse;
 434                 } ifru_opportunistic;
 435                 u_int64_t ifru_eflags;
 436                 struct {
 437                         int32_t         ifl_level;
 438                         uint32_t        ifl_flags;
 439 #define IFRLOGF_DLIL                    0x00000001
 440 #define IFRLOGF_FAMILY                  0x00010000
 441 #define IFRLOGF_DRIVER                  0x01000000
 442 #define IFRLOGF_FIRMWARE                0x10000000
 443                         int32_t         ifl_category;
 444 #define IFRLOGCAT_CONNECTIVITY          1
 445 #define IFRLOGCAT_QUALITY               2
 446 #define IFRLOGCAT_PERFORMANCE           3
 447                         int32_t         ifl_subcategory;
 448                 } ifru_log;
 449                 u_int32_t ifru_delegated;
 450                 struct {
 451                         uint32_t        ift_type;
 452                         uint32_t        ift_family;
 453 #define IFRTYPE_FAMILY_ANY              0
 454 #define IFRTYPE_FAMILY_LOOPBACK         1
 455 #define IFRTYPE_FAMILY_ETHERNET         2
 456 #define IFRTYPE_FAMILY_SLIP             3
 457 #define IFRTYPE_FAMILY_TUN              4
 458 #define IFRTYPE_FAMILY_VLAN             5
 459 #define IFRTYPE_FAMILY_PPP              6
 460 #define IFRTYPE_FAMILY_PVC              7
 461 #define IFRTYPE_FAMILY_DISC             8
 462 #define IFRTYPE_FAMILY_MDECAP           9
 463 #define IFRTYPE_FAMILY_GIF              10
 464 #define IFRTYPE_FAMILY_FAITH            11
 465 #define IFRTYPE_FAMILY_STF              12
 466 #define IFRTYPE_FAMILY_FIREWIRE         13
 467 #define IFRTYPE_FAMILY_BOND             14
 468 #define IFRTYPE_FAMILY_CELLULAR         15
 469                         uint32_t        ift_subfamily;
 470 #define IFRTYPE_SUBFAMILY_ANY           0
 471 #define IFRTYPE_SUBFAMILY_USB           1
 472 #define IFRTYPE_SUBFAMILY_BLUETOOTH     2
 473 #define IFRTYPE_SUBFAMILY_WIFI          3
 474 #define IFRTYPE_SUBFAMILY_THUNDERBOLT   4
 475 #define IFRTYPE_SUBFAMILY_RESERVED      5
 476 #define IFRTYPE_SUBFAMILY_INTCOPROC     6
 477                 } ifru_type;
 478 #endif /* PRIVATE */
 479                 u_int32_t ifru_functional_type;
 480 #define IFRTYPE_FUNCTIONAL_UNKNOWN      0
 481 #define IFRTYPE_FUNCTIONAL_LOOPBACK     1
 482 #define IFRTYPE_FUNCTIONAL_WIRED        2
 483 #define IFRTYPE_FUNCTIONAL_WIFI_INFRA   3
 484 #define IFRTYPE_FUNCTIONAL_WIFI_AWDL    4
 485 #define IFRTYPE_FUNCTIONAL_CELLULAR     5
 486 #define IFRTYPE_FUNCTIONAL_INTCOPROC    6
 487 #define IFRTYPE_FUNCTIONAL_LAST         6
 488 #ifdef PRIVATE
 489                 u_int32_t ifru_expensive;
 490                 u_int32_t ifru_2kcl;
 491                 struct {
 492                         u_int32_t qlen;
 493                         u_int32_t timeout;
 494                 } ifru_start_delay;
 495                 struct if_interface_state       ifru_interface_state;
 496                 u_int32_t ifru_probe_connectivity;
 497                 u_int32_t ifru_ecn_mode;
 498 #define IFRTYPE_ECN_DEFAULT             0
 499 #define IFRTYPE_ECN_ENABLE              1
 500 #define IFRTYPE_ECN_DISABLE             2
 501                 u_int32_t ifru_qosmarking_mode;
 502 #define IFRTYPE_QOSMARKING_MODE_NONE            0
 503 #define IFRTYPE_QOSMARKING_FASTLANE     1
 504                 u_int32_t ifru_qosmarking_enabled;
 505                 u_int32_t ifru_disable_output;
 506                 u_int32_t ifru_low_internet;
 507 #define IFRTYPE_LOW_INTERNET_DISABLE_UL_DL      0x0000
 508 #define IFRTYPE_LOW_INTERNET_ENABLE_UL          0x0001
 509 #define IFRTYPE_LOW_INTERNET_ENABLE_DL          0x0002
 510                 int ifru_low_power_mode;
 511 #endif /* PRIVATE */
 512         } ifr_ifru;
 513 #define ifr_addr        ifr_ifru.ifru_addr      /* address */
 514 #define ifr_dstaddr     ifr_ifru.ifru_dstaddr   /* other end of p-to-p link */
 515 #define ifr_broadaddr   ifr_ifru.ifru_broadaddr /* broadcast address */
 516 #ifdef __APPLE__
 517 #define ifr_flags       ifr_ifru.ifru_flags     /* flags */
 518 #else
 519 #define ifr_flags       ifr_ifru.ifru_flags[0]  /* flags */
 520 #define ifr_prevflags   ifr_ifru.ifru_flags[1]  /* flags */
 521 #endif /* __APPLE__ */
 522 #define ifr_metric      ifr_ifru.ifru_metric    /* metric */
 523 #define ifr_mtu         ifr_ifru.ifru_mtu       /* mtu */
 524 #define ifr_phys        ifr_ifru.ifru_phys      /* physical wire */
 525 #define ifr_media       ifr_ifru.ifru_media     /* physical media */
 526 #define ifr_data        ifr_ifru.ifru_data      /* for use by interface */
 527 #define ifr_devmtu      ifr_ifru.ifru_devmtu
 528 #define ifr_intval      ifr_ifru.ifru_intval    /* integer value */
 529 #ifdef KERNEL_PRIVATE
 530 #define ifr_data64      ifr_ifru.ifru_data64    /* 64-bit pointer */
 531 #endif /* KERNEL_PRIVATE */
 532 #define ifr_kpi         ifr_ifru.ifru_kpi
 533 #define ifr_wake_flags  ifr_ifru.ifru_wake_flags /* wake capabilities */
 534 #define ifr_route_refcnt ifr_ifru.ifru_route_refcnt /* route references count */
 535 #ifdef PRIVATE
 536 #define ifr_link_quality_metric ifr_ifru.ifru_link_quality_metric /* LQM */
 537 #endif /* PRIVATE */
 538 #define ifr_reqcap      ifr_ifru.ifru_cap[0]    /* requested capabilities */
 539 #define ifr_curcap      ifr_ifru.ifru_cap[1]    /* current capabilities */
 540 #ifdef PRIVATE
 541 #define ifr_opportunistic       ifr_ifru.ifru_opportunistic
 542 #define ifr_eflags      ifr_ifru.ifru_eflags    /* extended flags  */
 543 #define ifr_log         ifr_ifru.ifru_log       /* logging level/flags */
 544 #define ifr_delegated   ifr_ifru.ifru_delegated /* delegated interface index */
 545 #define ifr_expensive   ifr_ifru.ifru_expensive
 546 #define ifr_type        ifr_ifru.ifru_type      /* interface type */
 547 #define ifr_functional_type     ifr_ifru.ifru_functional_type
 548 #define ifr_2kcl        ifr_ifru.ifru_2kcl
 549 #define ifr_start_delay_qlen    ifr_ifru.ifru_start_delay.qlen
 550 #define ifr_start_delay_timeout ifr_ifru.ifru_start_delay.timeout
 551 #define ifr_interface_state     ifr_ifru.ifru_interface_state
 552 #define ifr_probe_connectivity  ifr_ifru.ifru_probe_connectivity
 553 #define ifr_ecn_mode    ifr_ifru.ifru_ecn_mode
 554 #define ifr_qosmarking_mode     ifr_ifru.ifru_qosmarking_mode
 555 #define ifr_fastlane_capable    ifr_qosmarking_mode
 556 #define ifr_qosmarking_enabled  ifr_ifru.ifru_qosmarking_enabled
 557 #define ifr_fastlane_enabled    ifr_qosmarking_enabled
 558 #define ifr_disable_output      ifr_ifru.ifru_disable_output
 559 #define ifr_low_internet        ifr_ifru.ifru_low_internet
 560 #define ifr_low_power_mode      ifr_ifru.ifru_low_power_mode
 561
 562 #endif /* PRIVATE */
 563 };
 564
 565 #define _SIZEOF_ADDR_IFREQ(ifr) \
 566         ((ifr).ifr_addr.sa_len > sizeof (struct sockaddr) ? \
 567         (sizeof (struct ifreq) - sizeof (struct sockaddr) + \
 568         (ifr).ifr_addr.sa_len) : sizeof (struct ifreq))
 569
 570 struct ifaliasreq {
 571         char    ifra_name[IFNAMSIZ];            /* if name, e.g. "en0" */
 572         struct  sockaddr ifra_addr;
 573         struct  sockaddr ifra_broadaddr;
 574         struct  sockaddr ifra_mask;
 575 };
 576
 577 struct rslvmulti_req {
 578         struct sockaddr *sa;
 579         struct sockaddr **llsa;
 580 };
 581
 582 #if !defined(KERNEL) || defined(KERNEL_PRIVATE)
 583 #pragma pack(4)
 584
 585 struct ifmediareq {
 586         char    ifm_name[IFNAMSIZ];     /* if name, e.g. "en0" */
 587         int     ifm_current;            /* current media options */
 588         int     ifm_mask;               /* don't care mask */
 589         int     ifm_status;             /* media status */
 590         int     ifm_active;             /* active options */
 591         int     ifm_count;              /* # entries in ifm_ulist array */
 592         int     *ifm_ulist;             /* media words */
 593 };
 594
 595 #pragma pack()
 596 #endif /* !KERNEL || KERNEL_PRIVATE */
 597
 598 #ifdef KERNEL_PRIVATE
 599 #pragma pack(4)
 600 struct ifmediareq64 {
 601         char    ifm_name[IFNAMSIZ];     /* if name, e.g. "en0" */
 602         int     ifm_current;            /* current media options */
 603         int     ifm_mask;               /* don't care mask */
 604         int     ifm_status;             /* media status */
 605         int     ifm_active;             /* active options */
 606         int     ifm_count;              /* # entries in ifm_ulist array */
 607         user64_addr_t ifmu_ulist __attribute__((aligned(8)));
 608 };
 609
 610 struct ifmediareq32 {
 611         char    ifm_name[IFNAMSIZ];     /* if name, e.g. "en0" */
 612         int     ifm_current;            /* current media options */
 613         int     ifm_mask;               /* don't care mask */
 614         int     ifm_status;             /* media status */
 615         int     ifm_active;             /* active options */
 616         int     ifm_count;              /* # entries in ifm_ulist array */
 617         user32_addr_t ifmu_ulist;       /* 32-bit pointer */
 618 };
 619 #pragma pack()
 620 #endif /* KERNEL_PRIVATE */
 621
 622
 623 #pragma pack(4)
 624 struct  ifdrv {
 625         char            ifd_name[IFNAMSIZ];     /* if name, e.g. "en0" */
 626         unsigned long   ifd_cmd;
 627         size_t          ifd_len;                /* length of ifd_data buffer */
 628         void            *ifd_data;
 629 };
 630 #pragma pack()
 631
 632 #ifdef KERNEL_PRIVATE
 633 #pragma pack(4)
 634 struct ifdrv32 {
 635         char            ifd_name[IFNAMSIZ];     /* if name, e.g. "en0" */
 636         u_int32_t       ifd_cmd;
 637         u_int32_t       ifd_len;
 638         user32_addr_t   ifd_data;
 639 };
 640
 641 struct  ifdrv64 {
 642         char            ifd_name[IFNAMSIZ];     /* if name, e.g. "en0" */
 643         u_int64_t       ifd_cmd;
 644         u_int64_t       ifd_len;
 645         user64_addr_t   ifd_data;
 646 };
 647 #pragma pack()
 648 #endif /* KERNEL_PRIVATE */
 649
 650 /*
 651  * Structure used to retrieve aux status data from interfaces.
 652  * Kernel suppliers to this interface should respect the formatting
 653  * needed by ifconfig(8): each line starts with a TAB and ends with
 654  * a newline.
 655  */
 656
 657 #define IFSTATMAX       800             /* 10 lines of text */
 658 struct ifstat {
 659         char    ifs_name[IFNAMSIZ];     /* if name, e.g. "en0" */
 660         char    ascii[IFSTATMAX + 1];
 661 };
 662
 663 #if !defined(KERNEL) || defined(KERNEL_PRIVATE)
 664 /*
 665  * Structure used in SIOCGIFCONF request.
 666  * Used to retrieve interface configuration
 667  * for machine (useful for programs which
 668  * must know all networks accessible).
 669  */
 670 #pragma pack(4)
 671 struct  ifconf {
 672         int     ifc_len;                /* size of associated buffer */
 673         union {
 674                 caddr_t ifcu_buf;
 675                 struct  ifreq *ifcu_req;
 676         } ifc_ifcu;
 677 };
 678 #pragma pack()
 679 #define ifc_buf ifc_ifcu.ifcu_buf       /* buffer address */
 680 #define ifc_req ifc_ifcu.ifcu_req       /* array of structures returned */
 681 #endif /* !KERNEL || KERNEL_PRIVATE */
 682
 683 #if defined(KERNEL_PRIVATE)
 684 #pragma pack(4)
 685 struct ifconf32 {
 686         int     ifc_len;                /* size of associated buffer */
 687         struct {
 688                 user32_addr_t ifcu_req;
 689         } ifc_ifcu;
 690 };
 691
 692 struct ifconf64 {
 693         int     ifc_len;                /* size of associated buffer */
 694         struct {
 695                 user64_addr_t ifcu_req  __attribute__((aligned(8)));
 696         } ifc_ifcu;
 697 };
 698 #pragma pack()
 699 #endif /* KERNEL_PRIVATE */
 700
 701 /*
 702  * DLIL KEV_DL_PROTO_ATTACHED/DETACHED structure
 703  */
 704 struct kev_dl_proto_data {
 705         struct net_event_data           link_data;
 706         u_int32_t                       proto_family;
 707         u_int32_t                       proto_remaining_count;
 708 };
 709
 710 #ifdef PRIVATE
 711 /*
 712  * Link Quality Metrics
 713  *
 714  *      IFNET_LQM_THRESH_OFF      Metric is not available; device is off.
 715  *      IFNET_LQM_THRESH_UNKNOWN  Metric is not (yet) known.
 716  *      IFNET_LQM_THRESH_BAD      Link quality is considered bad by driver.
 717  *      IFNET_LQM_THRESH_POOR     Link quality is considered poor by driver.
 718  *      IFNET_LQM_THRESH_GOOD     Link quality is considered good by driver.
 719  */
 720 enum {
 721         IFNET_LQM_THRESH_OFF            = (-2),
 722         IFNET_LQM_THRESH_UNKNOWN        = (-1),
 723         IFNET_LQM_THRESH_ABORT          = 10,
 724         IFNET_LQM_THRESH_MINIMALLY_VIABLE = 20,
 725         IFNET_LQM_THRESH_POOR           = 50,
 726         IFNET_LQM_THRESH_GOOD           = 100
 727 };
 728 #define IFNET_LQM_THRESH_BAD    IFNET_LQM_THRESH_ABORT
 729
 730 #ifdef XNU_KERNEL_PRIVATE
 731 #define IFNET_LQM_MIN   IFNET_LQM_THRESH_OFF
 732 #define IFNET_LQM_MAX   IFNET_LQM_THRESH_GOOD
 733 #endif /* XNU_KERNEL_PRIVATE */
 734
 735 /*
 736  * DLIL KEV_DL_LINK_QUALITY_METRIC_CHANGED structure
 737  */
 738 struct kev_dl_link_quality_metric_data {
 739         struct net_event_data   link_data;
 740         int                     link_quality_metric;
 741 };
 742
 743 #define IF_DESCSIZE     128
 744
 745 /*
 746  * Structure for SIOC[SG]IFDESC
 747  */
 748 struct if_descreq {
 749         char                    ifdr_name[IFNAMSIZ];    /* interface name */
 750         u_int32_t               ifdr_len;               /* up to IF_DESCSIZE */
 751         u_int8_t                ifdr_desc[IF_DESCSIZE]; /* opaque data */
 752 };
 753
 754 /*
 755  *      Output packet scheduling models
 756  *
 757  *      IFNET_SCHED_MODEL_NORMAL The default output packet scheduling model
 758  *              where the driver or media does not require strict scheduling
 759  *              strategy, and that the networking stack is free to choose the
 760  *              most appropriate scheduling and queueing algorithm, including
 761  *              shaping traffics.
 762  *      IFNET_SCHED_MODEL_DRIVER_MANAGED The alternative output packet
 763  *              scheduling model where the driver or media requires strict
 764  *              scheduling strategy (e.g. 802.11 WMM), and that the networking
 765  *              stack is only responsible for creating multiple queues for the
 766  *              corresponding service classes.
 767  */
 768 enum {
 769         IFNET_SCHED_MODEL_NORMAL                = 0,
 770         IFNET_SCHED_MODEL_DRIVER_MANAGED        = 1,
 771         IFNET_SCHED_MODEL_FQ_CODEL              = 2,
 772 #ifdef XNU_KERNEL_PRIVATE
 773         IFNET_SCHED_MODEL_MAX                   = 3,
 774 #endif /* XNU_KERNEL_PRIVATE */
 775 };
 776
 777 /*
 778  * Values for iflpr_flags
 779  */
 780 #define IFLPRF_ALTQ             0x1     /* configured via PF/ALTQ */
 781 #define IFLPRF_DRVMANAGED       0x2     /* output queue scheduled by drv */
 782
 783 /*
 784  * Structure for SIOCGIFLINKPARAMS
 785  */
 786 struct if_linkparamsreq {
 787         char            iflpr_name[IFNAMSIZ];   /* interface name */
 788         u_int32_t       iflpr_flags;
 789         u_int32_t       iflpr_output_sched;
 790         u_int64_t       iflpr_output_tbr_rate;
 791         u_int32_t       iflpr_output_tbr_percent;
 792         u_int64_t       iflpr_input_tbr_rate;
 793         struct if_bandwidths iflpr_output_bw;
 794         struct if_bandwidths iflpr_input_bw;
 795         struct if_latencies iflpr_output_lt;
 796         struct if_latencies iflpr_input_lt;
 797 };
 798
 799 /*
 800  * Structure for SIOCGIFQUEUESTATS
 801  */
 802 struct if_qstatsreq {
 803         char            ifqr_name[IFNAMSIZ];    /* interface name */
 804         u_int32_t       ifqr_slot;
 805         void            *ifqr_buf               __attribute__((aligned(8)));
 806         int              ifqr_len               __attribute__((aligned(8)));
 807 };
 808
 809 /*
 810  * Node Proximity Metrics
 811  */
 812 enum {
 813         IFNET_NPM_THRESH_UNKNOWN        = (-1),
 814         IFNET_NPM_THRESH_NEAR           = 30,
 815         IFNET_NPM_THRESH_GENERAL        = 70,
 816         IFNET_NPM_THRESH_FAR            = 100,
 817 };
 818
 819 /*
 820  *      Received Signal Strength Indication [special values]
 821  *
 822  *      IFNET_RSSI_UNKNOWN      Metric is not (yet) known.
 823  */
 824 enum {
 825         IFNET_RSSI_UNKNOWN      = ((-2147483647)-1),    /* INT32_MIN */
 826 };
 827
 828
 829 /*
 830  * DLIL KEV_DL_NODE_PRESENCE/KEV_DL_NODE_ABSENCE event structures
 831  */
 832 struct kev_dl_node_presence {
 833         struct net_event_data   link_data;
 834         struct sockaddr_in6     sin6_node_address;
 835         struct sockaddr_dl      sdl_node_address;
 836         int32_t                 rssi;
 837         int                     link_quality_metric;
 838         int                     node_proximity_metric;
 839         u_int8_t                node_service_info[48];
 840 };
 841
 842 struct kev_dl_node_absence {
 843         struct net_event_data   link_data;
 844         struct sockaddr_in6     sin6_node_address;
 845         struct sockaddr_dl      sdl_node_address;
 846 };
 847
 848 /*
 849  * Structure for SIOC[SG]IFTHROTTLE
 850  */
 851 struct if_throttlereq {
 852         char            ifthr_name[IFNAMSIZ];   /* interface name */
 853         u_int32_t       ifthr_level;
 854 };
 855
 856 /*
 857  *      Interface throttling levels
 858  *
 859  *      IFNET_THROTTLE_OFF The default throttling level (no throttling.)
 860  *              All service class queues operate normally according to the
 861  *              standard packet scheduler configuration.
 862  *      IFNET_THROTTLE_OPPORTUNISTIC One or more service class queues that
 863  *              are responsible for managing "opportunistic" traffics are
 864  *              suspended.  Packets enqueued on those queues will be dropped
 865  *              and a flow advisory error will be generated to the data
 866  *              source.  Existing packets in the queues will stay enqueued
 867  *              until the interface is no longer throttled, or until they
 868  *              are explicitly flushed.
 869  */
 870 enum {
 871         IFNET_THROTTLE_OFF                      = 0,
 872         IFNET_THROTTLE_OPPORTUNISTIC            = 1,
 873 #ifdef XNU_KERNEL_PRIVATE
 874         IFNET_THROTTLE_MAX                      = 2,
 875 #endif /* XNU_KERNEL_PRIVATE */
 876 };
 877
 878 /*
 879  * Structure for SIOC[A/D]IFAGENTID
 880  */
 881 struct if_agentidreq {
 882         char            ifar_name[IFNAMSIZ];    /* interface name */
 883         uuid_t          ifar_uuid;              /* agent UUID to add or delete */
 884 };
 885
 886 /*
 887  * Structure for SIOCGIFAGENTIDS
 888  */
 889 struct if_agentidsreq {
 890         char            ifar_name[IFNAMSIZ];    /* interface name */
 891         u_int32_t       ifar_count;             /* number of agent UUIDs */
 892         uuid_t          *ifar_uuids;            /* array of agent UUIDs */
 893 };
 894
 895 #ifdef BSD_KERNEL_PRIVATE
 896 struct if_agentidsreq32 {
 897         char            ifar_name[IFNAMSIZ];
 898         u_int32_t       ifar_count;
 899         user32_addr_t ifar_uuids;
 900 };
 901 struct if_agentidsreq64 {
 902         char            ifar_name[IFNAMSIZ];
 903         u_int32_t       ifar_count;
 904         user64_addr_t ifar_uuids __attribute__((aligned(8)));
 905 };
 906 #endif /* BSD_KERNEL_PRIVATE */
 907
 908 /*
 909  * Structure for SIOCGIFNEXUS
 910  */
 911 struct if_nexusreq {
 912         char            ifnr_name[IFNAMSIZ];    /* interface name */
 913         uint64_t        ifnr_flags;             /* unused, must be zero */
 914         uuid_t          ifnr_netif;             /* netif nexus instance UUID */
 915         uuid_t          ifnr_multistack;        /* multistack nexus UUID */
 916         uint64_t        ifnr_reserved[5];
 917 };
 918
 919 #define DLIL_MODIDLEN   20      /* same as IFNET_MODIDLEN */
 920 #define DLIL_MODARGLEN  12      /* same as IFNET_MODARGLEN */
 921
 922 /*
 923  * DLIL KEV_DL_ISSUES event structure
 924  */
 925 struct kev_dl_issues {
 926         struct net_event_data   link_data;
 927         u_int8_t                modid[DLIL_MODIDLEN];
 928         u_int64_t               timestamp;
 929         u_int8_t                info[DLIL_MODARGLEN];
 930 };
 931
 932 /*
 933  * DLIL KEV_DL_RRC_STATE_CHANGED structure
 934  */
 935 struct kev_dl_rrc_state {
 936         struct net_event_data   link_data;
 937         u_int32_t               rrc_state;
 938 };
 939
 940 /*
 941  * KEV_DL_LOW_POWER_MODE_CHANGED
 942  */
 943 struct kev_dl_low_power_mode {
 944         struct net_event_data   link_data;
 945         int                     low_power_event;
 946 };
 947
 948 /*
 949  * Length of network signature/fingerprint blob.
 950  */
 951 #define IFNET_SIGNATURELEN      20
 952
 953 /*
 954  * Structure for SIOC[S/G]IFNETSIGNATURE
 955  */
 956 struct if_nsreq {
 957         char            ifnsr_name[IFNAMSIZ];
 958         u_int8_t        ifnsr_family;   /* address family */
 959         u_int8_t        ifnsr_len;      /* data length */
 960         u_int16_t       ifnsr_flags;    /* for future */
 961         u_int8_t        ifnsr_data[IFNET_SIGNATURELEN];
 962 };
 963
 964
 965 #define NAT64_PREFIX_LEN_32     4
 966 #define NAT64_PREFIX_LEN_40     5
 967 #define NAT64_PREFIX_LEN_48     6
 968 #define NAT64_PREFIX_LEN_56     7
 969 #define NAT64_PREFIX_LEN_64     8
 970 #define NAT64_PREFIX_LEN_96     12
 971 #define NAT64_PREFIX_LEN_MAX    NAT64_PREFIX_LEN_96
 972
 973 #define NAT64_MAX_NUM_PREFIXES  4
 974
 975 struct ipv6_prefix {
 976         struct in6_addr ipv6_prefix;
 977         uint32_t        prefix_len;
 978 };
 979
 980 struct if_ipv6_address {
 981         struct in6_addr v6_address;
 982         uint32_t        v6_prefixlen;
 983 };
 984
 985 /* Structure for SIOC[S/G]IFNAT64PREFIX */
 986 struct if_nat64req {
 987         char                    ifnat64_name[IFNAMSIZ];
 988         struct ipv6_prefix      ifnat64_prefixes[NAT64_MAX_NUM_PREFIXES];
 989 };
 990
 991 /* Structure for SIOCGIFCLAT46ADDR */
 992 struct if_clat46req {
 993         char                    ifclat46_name[IFNAMSIZ];
 994         struct if_ipv6_address  ifclat46_addr;
 995 };
 996
 997 /*
 998  * Structure for SIOC[S/G]IFORDER
 999  *
1000  * When setting, ifo_count is the number of u_int32_t interface indices
1001  * in the ifo_ordered_indices array.
1002  *
1003  * When getting, if ifo_count is 0, the length of the ordered list will
1004  * be returned. If the ifo_count is non-0, it is the number of u_int32_t
1005  * interface indices allocated. Upon return, ifo_count will contain the number
1006  * of indices copied into the array.
1007  */
1008 struct if_order {
1009         u_int32_t                       ifo_count;
1010         u_int32_t                       ifo_reserved;
1011         mach_vm_address_t       ifo_ordered_indices; /* array of u_int32_t */
1012 };
1013
1014 /*
1015  * Struct for traffic class to DSCP mapping
1016  */
1017 struct if_tdmreq {
1018         char                            iftdm_name[IFNAMSIZ];
1019         u_int32_t                       iftdm_len;      /* byte length of the table */
1020         struct netsvctype_dscp_map      *iftdm_table;
1021 };
1022
1023 #ifdef BSD_KERNEL_PRIVATE
1024 struct if_tdmreq32 {
1025         char                    iftdm_name[IFNAMSIZ];
1026         u_int32_t               iftdm_len;      /* byte length of the table */
1027         user32_addr_t           iftdm_table;
1028 };
1029
1030 struct if_tdmreq64 {
1031         char                    iftdm_name[IFNAMSIZ];
1032         u_int32_t               iftdm_len;      /* byte length of the table */
1033         user64_addr_t           iftdm_table __attribute__((aligned(8)));
1034 };
1035 #endif
1036
1037 /*
1038  * Structure for SIOCGIFPROTOLIST.
1039  */
1040 struct if_protolistreq {
1041         char                    ifpl_name[IFNAMSIZ];
1042         u_int32_t               ifpl_count;
1043         u_int32_t               ifpl_reserved; /* must be zero */
1044         u_int32_t               *ifpl_list;
1045 };
1046
1047 #ifdef BSD_KERNEL_PRIVATE
1048 struct if_protolistreq32 {
1049         char                    ifpl_name[IFNAMSIZ];
1050         u_int32_t               ifpl_count;
1051         u_int32_t               ifpl_reserved; /* must be zero */
1052         user32_addr_t           ifpl_list;
1053 };
1054
1055 struct if_protolistreq64 {
1056         char                    ifpl_name[IFNAMSIZ];
1057         u_int32_t               ifpl_count;
1058         u_int32_t               ifpl_reserved; /* must be zero */
1059         user64_addr_t           ifpl_list;
1060 };
1061 #endif /* BSD_KERNEL_PRIVATE */
1062
1063 #endif /* PRIVATE */
1064
1065 #ifdef KERNEL
1066 #ifdef MALLOC_DECLARE
1067 MALLOC_DECLARE(M_IFADDR);
1068 MALLOC_DECLARE(M_IFMADDR);
1069 #endif
1070 #endif
1071 #endif /* (_POSIX_C_SOURCE && !_DARWIN_C_SOURCE) */
1072
1073 #ifndef KERNEL
1074 struct if_nameindex {
1075         unsigned int     if_index;      /* 1, 2, ... */
1076         char            *if_name;       /* null terminated name: "le0", ... */
1077 };
1078
1079 __BEGIN_DECLS
1080 unsigned int     if_nametoindex(const char *);
1081 char            *if_indextoname(unsigned int, char *);
1082 struct           if_nameindex *if_nameindex(void);
1083 void             if_freenameindex(struct if_nameindex *);
1084 __END_DECLS
1085 #endif
1086
1087 #ifdef KERNEL
1088 #include <net/kpi_interface.h>
1089 #endif
1090
1091 #endif /* !_NET_IF_H_ */