bsd/net/if.h

   1 /*
   2  * Copyright (c) 2000-2019 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_ADV_REPORT         0x00000010      /* Supports interface advisory report */
 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_LEGACY                     0x00000008 /* legacy (non-netif) mode */
 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 #define IFXF_MPK_LOG                    0x00000100 /* Multi-layer Packet Logging */
 187 #define IFXF_CONSTRAINED                0x00000200 /* Constrained - Save Data Mode */
 188 #define IFXF_LOW_LATENCY                0x00000400 /* Low latency interface */
 189 /*
 190  * Current requirements for an AWDL interface.  Setting/clearing IFEF_AWDL
 191  * will also trigger the setting/clearing of the rest of the flags.  Once
 192  * IFEF_AWDL is set, the rest of flags cannot be cleared, by definition.
 193  */
 194 #define IFEF_AWDL_MASK \
 195         (IFEF_LOCALNET_PRIVATE | IFEF_IPV6_ND6ALT | IFEF_RESTRICTED_RECV | \
 196         IFEF_AWDL)
 197 #endif /* XNU_KERNEL_PRIVATE */
 198 #endif /* PRIVATE */
 199
 200 #ifdef KERNEL_PRIVATE
 201 /*
 202  * !!! NOTE !!!
 203  *
 204  * if_idle_flags definitions: (all bits are reserved for internal/future
 205  * use). Setting these flags MUST be done via the ifnet_set_idle_flags()
 206  * KPI due to the associated reference counting.  Clearing them may be done by
 207  * calling the KPI, otherwise implicitly at interface detach time.  Setting
 208  * the if_idle_flags field to a non-zero value will cause the networking
 209  * stack to aggressively purge expired objects (routes, etc.)
 210  */
 211 #define IFRF_IDLE_NOTIFY        0x1     /* Generate notifications on idle */
 212
 213 /* flags set internally only: */
 214 #define IFF_CANTCHANGE \
 215         (IFF_BROADCAST|IFF_POINTOPOINT|IFF_RUNNING|IFF_OACTIVE|\
 216             IFF_SIMPLEX|IFF_MULTICAST|IFF_ALLMULTI)
 217 #endif /* KERNEL_PRIVATE */
 218
 219 /*
 220  * Capabilities that interfaces can advertise.
 221  *
 222  * struct ifnet.if_capabilities
 223  *   contains the optional features & capabilities a particular interface
 224  *   supports (not only the driver but also the detected hw revision).
 225  *   Capabilities are defined by IFCAP_* below.
 226  * struct ifnet.if_capenable
 227  *   contains the enabled (either by default or through ifconfig) optional
 228  *   features & capabilities on this interface.
 229  *   Capabilities are defined by IFCAP_* below.
 230  * struct if_data.ifi_hwassist in IFNET_* form, defined in net/kpi_interface.h,
 231  *   contains the enabled optional features & capabilites that can be used
 232  *   individually per packet and are specified in the mbuf pkthdr.csum_flags
 233  *   field.  IFCAP_* and IFNET_* do not match one to one and IFNET_* may be
 234  *   more detailed or differentiated than IFCAP_*.
 235  *   IFNET_* hwassist flags have corresponding CSUM_* in sys/mbuf.h
 236  */
 237 #define IFCAP_RXCSUM            0x00001 /* can offload checksum on RX */
 238 #define IFCAP_TXCSUM            0x00002 /* can offload checksum on TX */
 239 #define IFCAP_VLAN_MTU          0x00004 /* VLAN-compatible MTU */
 240 #define IFCAP_VLAN_HWTAGGING    0x00008 /* hardware VLAN tag support */
 241 #define IFCAP_JUMBO_MTU         0x00010 /* 9000 byte MTU supported */
 242 #define IFCAP_TSO4              0x00020 /* can do TCP Segmentation Offload */
 243 #define IFCAP_TSO6              0x00040 /* can do TCP6 Segmentation Offload */
 244 #define IFCAP_LRO               0x00080 /* can do Large Receive Offload */
 245 #define IFCAP_AV                0x00100 /* can do 802.1 AV Bridging */
 246 #define IFCAP_TXSTATUS          0x00200 /* can return linklevel xmit status */
 247 #define IFCAP_SKYWALK           0x00400 /* Skywalk mode supported/enabled */
 248 #define IFCAP_HW_TIMESTAMP      0x00800 /* Time stamping in hardware */
 249 #define IFCAP_SW_TIMESTAMP      0x01000 /* Time stamping in software */
 250 #define IFCAP_CSUM_PARTIAL      0x02000 /* can offload partial checksum */
 251 #define IFCAP_CSUM_ZERO_INVERT  0x04000 /* can invert 0 to -0 (0xffff) */
 252
 253 #define IFCAP_HWCSUM    (IFCAP_RXCSUM | IFCAP_TXCSUM)
 254 #define IFCAP_TSO       (IFCAP_TSO4 | IFCAP_TSO6)
 255
 256 #define IFCAP_VALID (IFCAP_HWCSUM | IFCAP_TSO | IFCAP_LRO | IFCAP_VLAN_MTU | \
 257         IFCAP_VLAN_HWTAGGING | IFCAP_JUMBO_MTU | IFCAP_AV | IFCAP_TXSTATUS | \
 258         IFCAP_SKYWALK | IFCAP_SW_TIMESTAMP | IFCAP_HW_TIMESTAMP | \
 259         IFCAP_CSUM_PARTIAL | IFCAP_CSUM_ZERO_INVERT)
 260
 261 #define IFQ_MAXLEN      128
 262 #define IFNET_SLOWHZ    1       /* granularity is 1 second */
 263 #define IFQ_TARGET_DELAY        (10ULL * 1000 * 1000)   /* 10 ms */
 264 #define IFQ_UPDATE_INTERVAL     (100ULL * 1000 * 1000)  /* 100 ms */
 265
 266 /*
 267  * Message format for use in obtaining information about interfaces
 268  * from sysctl and the routing socket
 269  */
 270 struct if_msghdr {
 271         unsigned short  ifm_msglen;     /* to skip non-understood messages */
 272         unsigned char   ifm_version;    /* future binary compatability */
 273         unsigned char   ifm_type;       /* message type */
 274         int             ifm_addrs;      /* like rtm_addrs */
 275         int             ifm_flags;      /* value of if_flags */
 276         unsigned short  ifm_index;      /* index for associated ifp */
 277         struct  if_data ifm_data;       /* statistics and other data about if */
 278 };
 279
 280 /*
 281  * Message format for use in obtaining information about interface addresses
 282  * from sysctl and the routing socket
 283  */
 284 struct ifa_msghdr {
 285         unsigned short  ifam_msglen;    /* to skip non-understood messages */
 286         unsigned char   ifam_version;   /* future binary compatability */
 287         unsigned char   ifam_type;      /* message type */
 288         int             ifam_addrs;     /* like rtm_addrs */
 289         int             ifam_flags;     /* value of ifa_flags */
 290         unsigned short  ifam_index;     /* index for associated ifp */
 291         int             ifam_metric;    /* value of ifa_metric */
 292 };
 293
 294 /*
 295  * Message format for use in obtaining information about multicast addresses
 296  * from the routing socket
 297  */
 298 struct ifma_msghdr {
 299         unsigned short  ifmam_msglen;   /* to skip non-understood messages */
 300         unsigned char   ifmam_version;  /* future binary compatability */
 301         unsigned char   ifmam_type;     /* message type */
 302         int             ifmam_addrs;    /* like rtm_addrs */
 303         int             ifmam_flags;    /* value of ifa_flags */
 304         unsigned short  ifmam_index;    /* index for associated ifp */
 305 };
 306
 307 /*
 308  * Message format for use in obtaining information about interfaces
 309  * from sysctl
 310  */
 311 struct if_msghdr2 {
 312         u_short ifm_msglen;     /* to skip over non-understood messages */
 313         u_char  ifm_version;    /* future binary compatability */
 314         u_char  ifm_type;       /* message type */
 315         int     ifm_addrs;      /* like rtm_addrs */
 316         int     ifm_flags;      /* value of if_flags */
 317         u_short ifm_index;      /* index for associated ifp */
 318         int     ifm_snd_len;    /* instantaneous length of send queue */
 319         int     ifm_snd_maxlen; /* maximum length of send queue */
 320         int     ifm_snd_drops;  /* number of drops in send queue */
 321         int     ifm_timer;      /* time until if_watchdog called */
 322         struct if_data64        ifm_data;       /* statistics and other data */
 323 };
 324
 325 /*
 326  * Message format for use in obtaining information about multicast addresses
 327  * from sysctl
 328  */
 329 struct ifma_msghdr2 {
 330         u_short ifmam_msglen;   /* to skip over non-understood messages */
 331         u_char  ifmam_version;  /* future binary compatability */
 332         u_char  ifmam_type;     /* message type */
 333         int     ifmam_addrs;    /* like rtm_addrs */
 334         int     ifmam_flags;    /* value of ifa_flags */
 335         u_short ifmam_index;    /* index for associated ifp */
 336         int32_t ifmam_refcount;
 337 };
 338
 339 /*
 340  * ifdevmtu: interface device mtu
 341  *    Used with SIOCGIFDEVMTU to get the current mtu in use by the device,
 342  *    as well as the minimum and maximum mtu allowed by the device.
 343  */
 344 struct ifdevmtu {
 345         int     ifdm_current;
 346         int     ifdm_min;
 347         int     ifdm_max;
 348 };
 349
 350 #pragma pack(4)
 351
 352 /*
 353  *  ifkpi: interface kpi ioctl
 354  *  Used with SIOCSIFKPI and SIOCGIFKPI.
 355  *
 356  *  ifk_module_id - From in the kernel, a value from kev_vendor_code_find. From
 357  *       user space, a value from SIOCGKEVVENDOR ioctl on a kernel event socket.
 358  *  ifk_type - The type. Types are specific to each module id.
 359  *  ifk_data - The data. ifk_ptr may be a 64bit pointer for 64 bit processes.
 360  *
 361  *  Copying data between user space and kernel space is done using copyin
 362  *  and copyout. A process may be running in 64bit mode. In such a case,
 363  *  the pointer will be a 64bit pointer, not a 32bit pointer. The following
 364  *  sample is a safe way to copy the data in to the kernel from either a
 365  *  32bit or 64bit process:
 366  *
 367  *  user_addr_t tmp_ptr;
 368  *  if (IS_64BIT_PROCESS(current_proc())) {
 369  *       tmp_ptr = CAST_USER_ADDR_T(ifkpi.ifk_data.ifk_ptr64);
 370  *  }
 371  *  else {
 372  *       tmp_ptr = CAST_USER_ADDR_T(ifkpi.ifk_data.ifk_ptr);
 373  *  }
 374  *  error = copyin(tmp_ptr, allocated_dst_buffer, size of allocated_dst_buffer);
 375  */
 376
 377 struct ifkpi {
 378         unsigned int    ifk_module_id;
 379         unsigned int    ifk_type;
 380         union {
 381                 void            *ifk_ptr;
 382                 int             ifk_value;
 383 #ifdef KERNEL
 384                 u_int64_t       ifk_ptr64;
 385 #endif /* KERNEL */
 386         } ifk_data;
 387 };
 388
 389 /* Wake capabilities of a interface */
 390 #define IF_WAKE_ON_MAGIC_PACKET         0x01
 391 #ifdef KERNEL_PRIVATE
 392 #define IF_WAKE_VALID_FLAGS IF_WAKE_ON_MAGIC_PACKET
 393 #endif /* KERNEL_PRIVATE */
 394
 395
 396 #pragma pack()
 397
 398 /*
 399  * Interface request structure used for socket
 400  * ioctl's.  All interface ioctl's must have parameter
 401  * definitions which begin with ifr_name.  The
 402  * remainder may be interface specific.
 403  */
 404 struct  ifreq {
 405 #ifndef IFNAMSIZ
 406 #define IFNAMSIZ        IF_NAMESIZE
 407 #endif
 408         char    ifr_name[IFNAMSIZ];             /* if name, e.g. "en0" */
 409         union {
 410                 struct  sockaddr ifru_addr;
 411                 struct  sockaddr ifru_dstaddr;
 412                 struct  sockaddr ifru_broadaddr;
 413                 short   ifru_flags;
 414                 int     ifru_metric;
 415                 int     ifru_mtu;
 416                 int     ifru_phys;
 417                 int     ifru_media;
 418                 int     ifru_intval;
 419                 caddr_t ifru_data;
 420 #ifdef KERNEL_PRIVATE
 421                 u_int64_t ifru_data64;  /* 64-bit ifru_data */
 422 #endif /* KERNEL_PRIVATE */
 423                 struct  ifdevmtu ifru_devmtu;
 424                 struct  ifkpi   ifru_kpi;
 425                 u_int32_t ifru_wake_flags;
 426                 u_int32_t ifru_route_refcnt;
 427 #ifdef PRIVATE
 428                 int     ifru_link_quality_metric;
 429 #endif /* PRIVATE */
 430                 int     ifru_cap[2];
 431 #ifdef PRIVATE
 432                 struct {
 433                         uint32_t        ifo_flags;
 434 #define IFRIFOF_BLOCK_OPPORTUNISTIC     0x00000001
 435                         uint32_t        ifo_inuse;
 436                 } ifru_opportunistic;
 437                 u_int64_t ifru_eflags;
 438                 u_int64_t ifru_xflags;
 439                 struct {
 440                         int32_t         ifl_level;
 441                         uint32_t        ifl_flags;
 442 #define IFRLOGF_DLIL                    0x00000001
 443 #define IFRLOGF_FAMILY                  0x00010000
 444 #define IFRLOGF_DRIVER                  0x01000000
 445 #define IFRLOGF_FIRMWARE                0x10000000
 446                         int32_t         ifl_category;
 447 #define IFRLOGCAT_CONNECTIVITY          1
 448 #define IFRLOGCAT_QUALITY               2
 449 #define IFRLOGCAT_PERFORMANCE           3
 450                         int32_t         ifl_subcategory;
 451                 } ifru_log;
 452                 u_int32_t ifru_delegated;
 453                 struct {
 454                         uint32_t        ift_type;
 455                         uint32_t        ift_family;
 456 #define IFRTYPE_FAMILY_ANY              0
 457 #define IFRTYPE_FAMILY_LOOPBACK         1
 458 #define IFRTYPE_FAMILY_ETHERNET         2
 459 #define IFRTYPE_FAMILY_SLIP             3
 460 #define IFRTYPE_FAMILY_TUN              4
 461 #define IFRTYPE_FAMILY_VLAN             5
 462 #define IFRTYPE_FAMILY_PPP              6
 463 #define IFRTYPE_FAMILY_PVC              7
 464 #define IFRTYPE_FAMILY_DISC             8
 465 #define IFRTYPE_FAMILY_MDECAP           9
 466 #define IFRTYPE_FAMILY_GIF              10
 467 #define IFRTYPE_FAMILY_FAITH            11
 468 #define IFRTYPE_FAMILY_STF              12
 469 #define IFRTYPE_FAMILY_FIREWIRE         13
 470 #define IFRTYPE_FAMILY_BOND             14
 471 #define IFRTYPE_FAMILY_CELLULAR         15
 472 #define IFRTYPE_FAMILY_6LOWPAN          16
 473 #define IFRTYPE_FAMILY_UTUN             17
 474 #define IFRTYPE_FAMILY_IPSEC            18
 475                         uint32_t        ift_subfamily;
 476 #define IFRTYPE_SUBFAMILY_ANY           0
 477 #define IFRTYPE_SUBFAMILY_USB           1
 478 #define IFRTYPE_SUBFAMILY_BLUETOOTH     2
 479 #define IFRTYPE_SUBFAMILY_WIFI          3
 480 #define IFRTYPE_SUBFAMILY_THUNDERBOLT   4
 481 #define IFRTYPE_SUBFAMILY_RESERVED      5
 482 #define IFRTYPE_SUBFAMILY_INTCOPROC     6
 483 #define IFRTYPE_SUBFAMILY_QUICKRELAY    7
 484 #define IFRTYPE_SUBFAMILY_DEFAULT       8
 485                 } ifru_type;
 486 #endif /* PRIVATE */
 487                 u_int32_t ifru_functional_type;
 488 #define IFRTYPE_FUNCTIONAL_UNKNOWN              0
 489 #define IFRTYPE_FUNCTIONAL_LOOPBACK             1
 490 #define IFRTYPE_FUNCTIONAL_WIRED                2
 491 #define IFRTYPE_FUNCTIONAL_WIFI_INFRA           3
 492 #define IFRTYPE_FUNCTIONAL_WIFI_AWDL            4
 493 #define IFRTYPE_FUNCTIONAL_CELLULAR             5
 494 #define IFRTYPE_FUNCTIONAL_INTCOPROC            6
 495 #define IFRTYPE_FUNCTIONAL_COMPANIONLINK        7
 496 #define IFRTYPE_FUNCTIONAL_LAST                 7
 497 #ifdef PRIVATE
 498                 u_int32_t ifru_expensive;
 499                 u_int32_t ifru_constrained;
 500                 u_int32_t ifru_2kcl;
 501                 struct {
 502                         u_int32_t qlen;
 503                         u_int32_t timeout;
 504                 } ifru_start_delay;
 505                 struct if_interface_state       ifru_interface_state;
 506                 u_int32_t ifru_probe_connectivity;
 507                 u_int32_t ifru_ecn_mode;
 508 #define IFRTYPE_ECN_DEFAULT             0
 509 #define IFRTYPE_ECN_ENABLE              1
 510 #define IFRTYPE_ECN_DISABLE             2
 511                 u_int32_t ifru_qosmarking_mode;
 512 #define IFRTYPE_QOSMARKING_MODE_NONE            0
 513 #define IFRTYPE_QOSMARKING_FASTLANE     1       /* supported: socket/channel */
 514 #define IFRTYPE_QOSMARKING_RFC4594      2       /* supported: channel only */
 515                 u_int32_t ifru_qosmarking_enabled;
 516                 u_int32_t ifru_disable_output;
 517                 u_int32_t ifru_low_internet;
 518 #define IFRTYPE_LOW_INTERNET_DISABLE_UL_DL      0x0000
 519 #define IFRTYPE_LOW_INTERNET_ENABLE_UL          0x0001
 520 #define IFRTYPE_LOW_INTERNET_ENABLE_DL          0x0002
 521                 int ifru_low_power_mode;
 522                 u_int32_t ifru_tcp_kao_max;
 523                 int ifru_mpk_log;        /* Multi Layer Packet Log */
 524                 u_int32_t ifru_noack_prio;
 525 #endif /* PRIVATE */
 526         } ifr_ifru;
 527 #define ifr_addr        ifr_ifru.ifru_addr      /* address */
 528 #define ifr_dstaddr     ifr_ifru.ifru_dstaddr   /* other end of p-to-p link */
 529 #define ifr_broadaddr   ifr_ifru.ifru_broadaddr /* broadcast address */
 530 #ifdef __APPLE__
 531 #define ifr_flags       ifr_ifru.ifru_flags     /* flags */
 532 #else
 533 #define ifr_flags       ifr_ifru.ifru_flags[0]  /* flags */
 534 #define ifr_prevflags   ifr_ifru.ifru_flags[1]  /* flags */
 535 #endif /* __APPLE__ */
 536 #define ifr_metric      ifr_ifru.ifru_metric    /* metric */
 537 #define ifr_mtu         ifr_ifru.ifru_mtu       /* mtu */
 538 #define ifr_phys        ifr_ifru.ifru_phys      /* physical wire */
 539 #define ifr_media       ifr_ifru.ifru_media     /* physical media */
 540 #define ifr_data        ifr_ifru.ifru_data      /* for use by interface */
 541 #define ifr_devmtu      ifr_ifru.ifru_devmtu
 542 #define ifr_intval      ifr_ifru.ifru_intval    /* integer value */
 543 #ifdef KERNEL_PRIVATE
 544 #define ifr_data64      ifr_ifru.ifru_data64    /* 64-bit pointer */
 545 #endif /* KERNEL_PRIVATE */
 546 #define ifr_kpi         ifr_ifru.ifru_kpi
 547 #define ifr_wake_flags  ifr_ifru.ifru_wake_flags /* wake capabilities */
 548 #define ifr_route_refcnt ifr_ifru.ifru_route_refcnt /* route references count */
 549 #ifdef PRIVATE
 550 #define ifr_link_quality_metric ifr_ifru.ifru_link_quality_metric /* LQM */
 551 #endif /* PRIVATE */
 552 #define ifr_reqcap      ifr_ifru.ifru_cap[0]    /* requested capabilities */
 553 #define ifr_curcap      ifr_ifru.ifru_cap[1]    /* current capabilities */
 554 #ifdef PRIVATE
 555 #define ifr_opportunistic       ifr_ifru.ifru_opportunistic
 556 #define ifr_eflags      ifr_ifru.ifru_eflags    /* extended flags  */
 557 #define ifr_xflags      ifr_ifru.ifru_xflags    /* extra flags  */
 558 #define ifr_log         ifr_ifru.ifru_log       /* logging level/flags */
 559 #define ifr_delegated   ifr_ifru.ifru_delegated /* delegated interface index */
 560 #define ifr_expensive   ifr_ifru.ifru_expensive
 561 #define ifr_constrained   ifr_ifru.ifru_constrained
 562 #define ifr_type        ifr_ifru.ifru_type      /* interface type */
 563 #define ifr_functional_type     ifr_ifru.ifru_functional_type
 564 #define ifr_2kcl        ifr_ifru.ifru_2kcl
 565 #define ifr_start_delay_qlen    ifr_ifru.ifru_start_delay.qlen
 566 #define ifr_start_delay_timeout ifr_ifru.ifru_start_delay.timeout
 567 #define ifr_interface_state     ifr_ifru.ifru_interface_state
 568 #define ifr_probe_connectivity  ifr_ifru.ifru_probe_connectivity
 569 #define ifr_ecn_mode    ifr_ifru.ifru_ecn_mode
 570 #define ifr_qosmarking_mode     ifr_ifru.ifru_qosmarking_mode
 571 #define ifr_fastlane_capable    ifr_qosmarking_mode
 572 #define ifr_qosmarking_enabled  ifr_ifru.ifru_qosmarking_enabled
 573 #define ifr_fastlane_enabled    ifr_qosmarking_enabled
 574 #define ifr_disable_output      ifr_ifru.ifru_disable_output
 575 #define ifr_low_internet        ifr_ifru.ifru_low_internet
 576 #define ifr_low_power_mode      ifr_ifru.ifru_low_power_mode
 577 #define ifr_tcp_kao_max         ifr_ifru.ifru_tcp_kao_max
 578 #define ifr_mpk_log             ifr_ifru.ifru_mpk_log
 579 #define ifr_noack_prio          ifr_ifru.ifru_noack_prio
 580
 581 #endif /* PRIVATE */
 582 };
 583
 584 #define _SIZEOF_ADDR_IFREQ(ifr) \
 585         ((ifr).ifr_addr.sa_len > sizeof (struct sockaddr) ? \
 586         (sizeof (struct ifreq) - sizeof (struct sockaddr) + \
 587         (ifr).ifr_addr.sa_len) : sizeof (struct ifreq))
 588
 589 struct ifaliasreq {
 590         char    ifra_name[IFNAMSIZ];            /* if name, e.g. "en0" */
 591         struct  sockaddr ifra_addr;
 592         struct  sockaddr ifra_broadaddr;
 593         struct  sockaddr ifra_mask;
 594 };
 595
 596 struct rslvmulti_req {
 597         struct sockaddr *sa;
 598         struct sockaddr **llsa;
 599 };
 600
 601 #if !defined(KERNEL) || defined(KERNEL_PRIVATE)
 602 #pragma pack(4)
 603
 604 struct ifmediareq {
 605         char    ifm_name[IFNAMSIZ];     /* if name, e.g. "en0" */
 606         int     ifm_current;            /* current media options */
 607         int     ifm_mask;               /* don't care mask */
 608         int     ifm_status;             /* media status */
 609         int     ifm_active;             /* active options */
 610         int     ifm_count;              /* # entries in ifm_ulist array */
 611         int     *ifm_ulist;             /* media words */
 612 };
 613
 614 #pragma pack()
 615 #endif /* !KERNEL || KERNEL_PRIVATE */
 616
 617 #ifdef KERNEL_PRIVATE
 618 #pragma pack(4)
 619 struct ifmediareq64 {
 620         char    ifm_name[IFNAMSIZ];     /* if name, e.g. "en0" */
 621         int     ifm_current;            /* current media options */
 622         int     ifm_mask;               /* don't care mask */
 623         int     ifm_status;             /* media status */
 624         int     ifm_active;             /* active options */
 625         int     ifm_count;              /* # entries in ifm_ulist array */
 626         user64_addr_t ifmu_ulist __attribute__((aligned(8)));
 627 };
 628
 629 struct ifmediareq32 {
 630         char    ifm_name[IFNAMSIZ];     /* if name, e.g. "en0" */
 631         int     ifm_current;            /* current media options */
 632         int     ifm_mask;               /* don't care mask */
 633         int     ifm_status;             /* media status */
 634         int     ifm_active;             /* active options */
 635         int     ifm_count;              /* # entries in ifm_ulist array */
 636         user32_addr_t ifmu_ulist;       /* 32-bit pointer */
 637 };
 638 #pragma pack()
 639 #endif /* KERNEL_PRIVATE */
 640
 641
 642 #pragma pack(4)
 643 struct  ifdrv {
 644         char            ifd_name[IFNAMSIZ];     /* if name, e.g. "en0" */
 645         unsigned long   ifd_cmd;
 646         size_t          ifd_len;                /* length of ifd_data buffer */
 647         void            *ifd_data;
 648 };
 649 #pragma pack()
 650
 651 #ifdef KERNEL_PRIVATE
 652 #pragma pack(4)
 653 struct ifdrv32 {
 654         char            ifd_name[IFNAMSIZ];     /* if name, e.g. "en0" */
 655         u_int32_t       ifd_cmd;
 656         u_int32_t       ifd_len;
 657         user32_addr_t   ifd_data;
 658 };
 659
 660 struct  ifdrv64 {
 661         char            ifd_name[IFNAMSIZ];     /* if name, e.g. "en0" */
 662         u_int64_t       ifd_cmd;
 663         u_int64_t       ifd_len;
 664         user64_addr_t   ifd_data;
 665 };
 666 #pragma pack()
 667 #endif /* KERNEL_PRIVATE */
 668
 669 /*
 670  * Structure used to retrieve aux status data from interfaces.
 671  * Kernel suppliers to this interface should respect the formatting
 672  * needed by ifconfig(8): each line starts with a TAB and ends with
 673  * a newline.
 674  */
 675
 676 #define IFSTATMAX       800             /* 10 lines of text */
 677 struct ifstat {
 678         char    ifs_name[IFNAMSIZ];     /* if name, e.g. "en0" */
 679         char    ascii[IFSTATMAX + 1];
 680 };
 681
 682 #if !defined(KERNEL) || defined(KERNEL_PRIVATE)
 683 /*
 684  * Structure used in SIOCGIFCONF request.
 685  * Used to retrieve interface configuration
 686  * for machine (useful for programs which
 687  * must know all networks accessible).
 688  */
 689 #pragma pack(4)
 690 struct  ifconf {
 691         int     ifc_len;                /* size of associated buffer */
 692         union {
 693                 caddr_t ifcu_buf;
 694                 struct  ifreq *ifcu_req;
 695         } ifc_ifcu;
 696 };
 697 #pragma pack()
 698 #define ifc_buf ifc_ifcu.ifcu_buf       /* buffer address */
 699 #define ifc_req ifc_ifcu.ifcu_req       /* array of structures returned */
 700 #endif /* !KERNEL || KERNEL_PRIVATE */
 701
 702 #if defined(KERNEL_PRIVATE)
 703 #pragma pack(4)
 704 struct ifconf32 {
 705         int     ifc_len;                /* size of associated buffer */
 706         struct {
 707                 user32_addr_t ifcu_req;
 708         } ifc_ifcu;
 709 };
 710
 711 struct ifconf64 {
 712         int     ifc_len;                /* size of associated buffer */
 713         struct {
 714                 user64_addr_t ifcu_req  __attribute__((aligned(8)));
 715         } ifc_ifcu;
 716 };
 717 #pragma pack()
 718 #endif /* KERNEL_PRIVATE */
 719
 720 /*
 721  * DLIL KEV_DL_PROTO_ATTACHED/DETACHED structure
 722  */
 723 struct kev_dl_proto_data {
 724         struct net_event_data           link_data;
 725         u_int32_t                       proto_family;
 726         u_int32_t                       proto_remaining_count;
 727 };
 728
 729 #ifdef PRIVATE
 730 /*
 731  * Link Quality Metrics
 732  *
 733  *      IFNET_LQM_THRESH_OFF      Metric is not available; device is off.
 734  *      IFNET_LQM_THRESH_UNKNOWN  Metric is not (yet) known.
 735  *      IFNET_LQM_THRESH_BAD      Link quality is considered bad by driver.
 736  *      IFNET_LQM_THRESH_POOR     Link quality is considered poor by driver.
 737  *      IFNET_LQM_THRESH_GOOD     Link quality is considered good by driver.
 738  */
 739 enum {
 740         IFNET_LQM_THRESH_OFF            = (-2),
 741         IFNET_LQM_THRESH_UNKNOWN        = (-1),
 742         IFNET_LQM_THRESH_ABORT          = 10,
 743         IFNET_LQM_THRESH_MINIMALLY_VIABLE = 20,
 744         IFNET_LQM_THRESH_POOR           = 50,
 745         IFNET_LQM_THRESH_GOOD           = 100
 746 };
 747 #define IFNET_LQM_THRESH_BAD    IFNET_LQM_THRESH_ABORT
 748
 749 #ifdef XNU_KERNEL_PRIVATE
 750 #define IFNET_LQM_MIN   IFNET_LQM_THRESH_OFF
 751 #define IFNET_LQM_MAX   IFNET_LQM_THRESH_GOOD
 752 #endif /* XNU_KERNEL_PRIVATE */
 753
 754 /*
 755  * DLIL KEV_DL_LINK_QUALITY_METRIC_CHANGED structure
 756  */
 757 struct kev_dl_link_quality_metric_data {
 758         struct net_event_data   link_data;
 759         int                     link_quality_metric;
 760 };
 761
 762 #define IF_DESCSIZE     128
 763
 764 /*
 765  * Structure for SIOC[SG]IFDESC
 766  */
 767 struct if_descreq {
 768         char                    ifdr_name[IFNAMSIZ];    /* interface name */
 769         u_int32_t               ifdr_len;               /* up to IF_DESCSIZE */
 770         u_int8_t                ifdr_desc[IF_DESCSIZE]; /* opaque data */
 771 };
 772
 773 /*
 774  *      Output packet scheduling models
 775  *
 776  *      IFNET_SCHED_MODEL_NORMAL The default output packet scheduling model
 777  *              where the driver or media does not require strict scheduling
 778  *              strategy, and that the networking stack is free to choose the
 779  *              most appropriate scheduling and queueing algorithm, including
 780  *              shaping traffics.
 781  *      IFNET_SCHED_MODEL_DRIVER_MANAGED The alternative output packet
 782  *              scheduling model where the driver or media requires strict
 783  *              scheduling strategy (e.g. 802.11 WMM), and that the networking
 784  *              stack is only responsible for creating multiple queues for the
 785  *              corresponding service classes.
 786  */
 787 enum {
 788         IFNET_SCHED_MODEL_NORMAL                = 0,
 789         IFNET_SCHED_MODEL_DRIVER_MANAGED        = 1,
 790         IFNET_SCHED_MODEL_FQ_CODEL              = 2,
 791 #ifdef XNU_KERNEL_PRIVATE
 792         IFNET_SCHED_MODEL_MAX                   = 3,
 793 #endif /* XNU_KERNEL_PRIVATE */
 794 };
 795
 796 /*
 797  * Values for iflpr_flags
 798  */
 799 #define IFLPRF_ALTQ             0x1     /* configured via PF/ALTQ */
 800 #define IFLPRF_DRVMANAGED       0x2     /* output queue scheduled by drv */
 801
 802 /*
 803  * Structure for SIOCGIFLINKPARAMS
 804  */
 805 struct if_linkparamsreq {
 806         char            iflpr_name[IFNAMSIZ];   /* interface name */
 807         u_int32_t       iflpr_flags;
 808         u_int32_t       iflpr_output_sched;
 809         u_int64_t       iflpr_output_tbr_rate;
 810         u_int32_t       iflpr_output_tbr_percent;
 811         u_int64_t       iflpr_input_tbr_rate;
 812         struct if_bandwidths iflpr_output_bw;
 813         struct if_bandwidths iflpr_input_bw;
 814         struct if_latencies iflpr_output_lt;
 815         struct if_latencies iflpr_input_lt;
 816         struct if_netem_params iflpr_input_netem;
 817         struct if_netem_params iflpr_output_netem;
 818 };
 819
 820 /*
 821  * Structure for SIOCGIFQUEUESTATS
 822  */
 823 struct if_qstatsreq {
 824         char            ifqr_name[IFNAMSIZ];    /* interface name */
 825         u_int32_t       ifqr_slot;
 826         void            *ifqr_buf               __attribute__((aligned(8)));
 827         int              ifqr_len               __attribute__((aligned(8)));
 828 };
 829
 830 /*
 831  * Node Proximity Metrics
 832  */
 833 enum {
 834         IFNET_NPM_THRESH_UNKNOWN        = (-1),
 835         IFNET_NPM_THRESH_NEAR           = 30,
 836         IFNET_NPM_THRESH_GENERAL        = 70,
 837         IFNET_NPM_THRESH_FAR            = 100,
 838 };
 839
 840 /*
 841  *      Received Signal Strength Indication [special values]
 842  *
 843  *      IFNET_RSSI_UNKNOWN      Metric is not (yet) known.
 844  */
 845 enum {
 846         IFNET_RSSI_UNKNOWN      = ((-2147483647) - 1),    /* INT32_MIN */
 847 };
 848
 849
 850 /*
 851  * DLIL KEV_DL_NODE_PRESENCE/KEV_DL_NODE_ABSENCE event structures
 852  */
 853 struct kev_dl_node_presence {
 854         struct net_event_data   link_data;
 855         struct sockaddr_in6     sin6_node_address;
 856         struct sockaddr_dl      sdl_node_address;
 857         int32_t                 rssi;
 858         int                     link_quality_metric;
 859         int                     node_proximity_metric;
 860         u_int8_t                node_service_info[48];
 861 };
 862
 863 struct kev_dl_node_absence {
 864         struct net_event_data   link_data;
 865         struct sockaddr_in6     sin6_node_address;
 866         struct sockaddr_dl      sdl_node_address;
 867 };
 868
 869 /*
 870  * Structure for SIOC[SG]IFTHROTTLE
 871  */
 872 struct if_throttlereq {
 873         char            ifthr_name[IFNAMSIZ];   /* interface name */
 874         u_int32_t       ifthr_level;
 875 };
 876
 877 /*
 878  *      Interface throttling levels
 879  *
 880  *      IFNET_THROTTLE_OFF The default throttling level (no throttling.)
 881  *              All service class queues operate normally according to the
 882  *              standard packet scheduler configuration.
 883  *      IFNET_THROTTLE_OPPORTUNISTIC One or more service class queues that
 884  *              are responsible for managing "opportunistic" traffics are
 885  *              suspended.  Packets enqueued on those queues will be dropped
 886  *              and a flow advisory error will be generated to the data
 887  *              source.  Existing packets in the queues will stay enqueued
 888  *              until the interface is no longer throttled, or until they
 889  *              are explicitly flushed.
 890  */
 891 enum {
 892         IFNET_THROTTLE_OFF                      = 0,
 893         IFNET_THROTTLE_OPPORTUNISTIC            = 1,
 894 #ifdef XNU_KERNEL_PRIVATE
 895         IFNET_THROTTLE_MAX                      = 2,
 896 #endif /* XNU_KERNEL_PRIVATE */
 897 };
 898
 899 /*
 900  * Structure for SIOC[A/D]IFAGENTID
 901  */
 902 struct if_agentidreq {
 903         char            ifar_name[IFNAMSIZ];    /* interface name */
 904         uuid_t          ifar_uuid;              /* agent UUID to add or delete */
 905 };
 906
 907 /*
 908  * Structure for SIOCGIFAGENTIDS
 909  */
 910 struct if_agentidsreq {
 911         char            ifar_name[IFNAMSIZ];    /* interface name */
 912         u_int32_t       ifar_count;             /* number of agent UUIDs */
 913         uuid_t          *ifar_uuids;            /* array of agent UUIDs */
 914 };
 915
 916 #ifdef BSD_KERNEL_PRIVATE
 917 struct if_agentidsreq32 {
 918         char            ifar_name[IFNAMSIZ];
 919         u_int32_t       ifar_count;
 920         user32_addr_t ifar_uuids;
 921 };
 922 struct if_agentidsreq64 {
 923         char            ifar_name[IFNAMSIZ];
 924         u_int32_t       ifar_count;
 925         user64_addr_t ifar_uuids __attribute__((aligned(8)));
 926 };
 927 #endif /* BSD_KERNEL_PRIVATE */
 928
 929 /*
 930  * Structure for SIOCGIFNEXUS
 931  */
 932 struct if_nexusreq {
 933         char            ifnr_name[IFNAMSIZ];    /* interface name */
 934         uint64_t        ifnr_flags;             /* unused, must be zero */
 935         uuid_t          ifnr_netif;             /* netif nexus instance UUID */
 936         uuid_t          ifnr_flowswitch;        /* flowswitch nexus UUID */
 937         uint64_t        ifnr_reserved[5];
 938 };
 939
 940 #define DLIL_MODIDLEN   20      /* same as IFNET_MODIDLEN */
 941 #define DLIL_MODARGLEN  12      /* same as IFNET_MODARGLEN */
 942
 943 /*
 944  * DLIL KEV_DL_ISSUES event structure
 945  */
 946 struct kev_dl_issues {
 947         struct net_event_data   link_data;
 948         u_int8_t                modid[DLIL_MODIDLEN];
 949         u_int64_t               timestamp;
 950         u_int8_t                info[DLIL_MODARGLEN];
 951 };
 952
 953 /*
 954  * DLIL KEV_DL_RRC_STATE_CHANGED structure
 955  */
 956 struct kev_dl_rrc_state {
 957         struct net_event_data   link_data;
 958         u_int32_t               rrc_state;
 959 };
 960
 961 /*
 962  * KEV_DL_LOW_POWER_MODE_CHANGED
 963  */
 964 struct kev_dl_low_power_mode {
 965         struct net_event_data   link_data;
 966         int                     low_power_event;
 967 };
 968
 969 /*
 970  * Length of network signature/fingerprint blob.
 971  */
 972 #define IFNET_SIGNATURELEN      20
 973
 974 /*
 975  * Structure for SIOC[S/G]IFNETSIGNATURE
 976  */
 977 struct if_nsreq {
 978         char            ifnsr_name[IFNAMSIZ];
 979         u_int8_t        ifnsr_family;   /* address family */
 980         u_int8_t        ifnsr_len;      /* data length */
 981         u_int16_t       ifnsr_flags;    /* for future */
 982         u_int8_t        ifnsr_data[IFNET_SIGNATURELEN];
 983 };
 984
 985
 986 #define NAT64_PREFIX_LEN_32     4
 987 #define NAT64_PREFIX_LEN_40     5
 988 #define NAT64_PREFIX_LEN_48     6
 989 #define NAT64_PREFIX_LEN_56     7
 990 #define NAT64_PREFIX_LEN_64     8
 991 #define NAT64_PREFIX_LEN_96     12
 992 #define NAT64_PREFIX_LEN_MAX    NAT64_PREFIX_LEN_96
 993
 994 #define NAT64_MAX_NUM_PREFIXES  4
 995
 996 struct ipv6_prefix {
 997         struct in6_addr ipv6_prefix;
 998         uint32_t        prefix_len;
 999 };
1000
1001 struct if_ipv6_address {
1002         struct in6_addr v6_address;
1003         uint32_t        v6_prefixlen;
1004 };
1005
1006 /* Structure for SIOC[S/G]IFNAT64PREFIX */
1007 struct if_nat64req {
1008         char                    ifnat64_name[IFNAMSIZ];
1009         struct ipv6_prefix      ifnat64_prefixes[NAT64_MAX_NUM_PREFIXES];
1010 };
1011
1012 /* Structure for SIOCGIFCLAT46ADDR */
1013 struct if_clat46req {
1014         char                    ifclat46_name[IFNAMSIZ];
1015         struct if_ipv6_address  ifclat46_addr;
1016 };
1017
1018 /*
1019  * Structure for SIOC[S/G]IFORDER
1020  *
1021  * When setting, ifo_count is the number of u_int32_t interface indices
1022  * in the ifo_ordered_indices array.
1023  *
1024  * When getting, if ifo_count is 0, the length of the ordered list will
1025  * be returned. If the ifo_count is non-0, it is the number of u_int32_t
1026  * interface indices allocated. Upon return, ifo_count will contain the number
1027  * of indices copied into the array.
1028  */
1029 struct if_order {
1030         u_int32_t                       ifo_count;
1031         u_int32_t                       ifo_reserved;
1032         mach_vm_address_t       ifo_ordered_indices; /* array of u_int32_t */
1033 };
1034
1035 /*
1036  * Struct for traffic class to DSCP mapping
1037  */
1038 struct if_tdmreq {
1039         char                            iftdm_name[IFNAMSIZ];
1040         u_int32_t                       iftdm_len;      /* byte length of the table */
1041         struct netsvctype_dscp_map      *iftdm_table;
1042 };
1043
1044 #ifdef BSD_KERNEL_PRIVATE
1045 struct if_tdmreq32 {
1046         char                    iftdm_name[IFNAMSIZ];
1047         u_int32_t               iftdm_len;      /* byte length of the table */
1048         user32_addr_t           iftdm_table;
1049 };
1050
1051 struct if_tdmreq64 {
1052         char                    iftdm_name[IFNAMSIZ];
1053         u_int32_t               iftdm_len;      /* byte length of the table */
1054         user64_addr_t           iftdm_table __attribute__((aligned(8)));
1055 };
1056 #endif
1057
1058 /*
1059  * Structure for SIOCGIFPROTOLIST.
1060  */
1061 struct if_protolistreq {
1062         char                    ifpl_name[IFNAMSIZ];
1063         u_int32_t               ifpl_count;
1064         u_int32_t               ifpl_reserved; /* must be zero */
1065         u_int32_t               *ifpl_list;
1066 };
1067
1068 #ifdef BSD_KERNEL_PRIVATE
1069 struct if_protolistreq32 {
1070         char                    ifpl_name[IFNAMSIZ];
1071         u_int32_t               ifpl_count;
1072         u_int32_t               ifpl_reserved; /* must be zero */
1073         user32_addr_t           ifpl_list;
1074 };
1075
1076 struct if_protolistreq64 {
1077         char                    ifpl_name[IFNAMSIZ];
1078         u_int32_t               ifpl_count;
1079         u_int32_t               ifpl_reserved; /* must be zero */
1080         user64_addr_t           ifpl_list;
1081 };
1082 #endif /* BSD_KERNEL_PRIVATE */
1083
1084 #endif /* PRIVATE */
1085
1086 #ifdef KERNEL
1087 #ifdef MALLOC_DECLARE
1088 MALLOC_DECLARE(M_IFADDR);
1089 MALLOC_DECLARE(M_IFMADDR);
1090 #endif
1091 #endif
1092 #endif /* (_POSIX_C_SOURCE && !_DARWIN_C_SOURCE) */
1093
1094 #ifndef KERNEL
1095 struct if_nameindex {
1096         unsigned int     if_index;      /* 1, 2, ... */
1097         char            *if_name;       /* null terminated name: "le0", ... */
1098 };
1099
1100 __BEGIN_DECLS
1101 unsigned int     if_nametoindex(const char *);
1102 char            *if_indextoname(unsigned int, char *);
1103 struct           if_nameindex *if_nameindex(void);
1104 void             if_freenameindex(struct if_nameindex *);
1105 __END_DECLS
1106 #endif
1107
1108 #ifdef KERNEL
1109 #include <net/kpi_interface.h>
1110 #endif
1111
1112 #endif /* !_NET_IF_H_ */