bsd/net/if.h

   1 /*
   2  * Copyright (c) 2000-2020 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_LOCALNET_PRIVATE   0x00020000      /* local private network */
 157 #define IFEF_SERVICE_TRIGGERED  IFEF_LOCALNET_PRIVATE
 158 #define IFEF_IPV6_ND6ALT        0x00040000      /* alternative. KPI for ND6 */
 159 #define IFEF_RESTRICTED_RECV    0x00080000      /* interface restricts inbound pkts */
 160 #define IFEF_AWDL               0x00100000      /* Apple Wireless Direct Link */
 161 #define IFEF_NOACKPRI           0x00200000      /* No TCP ACK prioritization */
 162 #define IFEF_AWDL_RESTRICTED    0x00400000      /* Restricted AWDL mode */
 163 #define IFEF_2KCL               0x00800000      /* prefers 2K cluster (socket based tunnel) */
 164 #define IFEF_ECN_ENABLE         0x01000000      /* use ECN for TCP connections on the interface */
 165 #define IFEF_ECN_DISABLE        0x02000000      /* do not use ECN for TCP connections on the interface */
 166 #define IFEF_SKYWALK_NATIVE     0x04000000      /* Native Skywalk support */
 167 #define IFEF_3CA                0x08000000      /* Capable of 3CA */
 168 #define IFEF_SENDLIST           0x10000000      /* Supports tx packet lists */
 169 #define IFEF_DIRECTLINK         0x20000000      /* point-to-point topology */
 170 #define IFEF_QOSMARKING_ENABLED 0x40000000      /* QoS marking is enabled */
 171 #define IFEF_UPDOWNCHANGE       0x80000000      /* up/down state is changing */
 172
 173 #ifdef XNU_KERNEL_PRIVATE
 174 /*
 175  * Extra flags
 176  */
 177 #define IFXF_WAKE_ON_MAGIC_PACKET       0x00000001 /* wake on magic packet */
 178 #define IFXF_TIMESTAMP_ENABLED          0x00000002 /* time stamping enabled */
 179 #define IFXF_NX_NOAUTO                  0x00000004 /* no auto config nexus */
 180 #define IFXF_LEGACY                     0x00000008 /* legacy (non-netif) mode */
 181 #define IFXF_LOW_INTERNET_UL            0x00000010 /* Uplink Low Internet is confirmed */
 182 #define IFXF_LOW_INTERNET_DL            0x00000020 /* Downlink Low Internet is confirmed */
 183 #define IFXF_ALLOC_KPI                  0x00000040 /* Allocated via the ifnet_alloc KPI */
 184 #define IFXF_LOW_POWER                  0x00000080 /* Low Power Mode */
 185 #define IFXF_MPK_LOG                    0x00000100 /* Multi-layer Packet Logging */
 186 #define IFXF_CONSTRAINED                0x00000200 /* Constrained - Save Data Mode */
 187 #define IFXF_LOW_LATENCY                0x00000400 /* Low latency interface */
 188 /*
 189  * Current requirements for an AWDL interface.  Setting/clearing IFEF_AWDL
 190  * will also trigger the setting/clearing of the rest of the flags.  Once
 191  * IFEF_AWDL is set, the rest of flags cannot be cleared, by definition.
 192  */
 193 #define IFEF_AWDL_MASK \
 194         (IFEF_LOCALNET_PRIVATE | IFEF_IPV6_ND6ALT | IFEF_RESTRICTED_RECV | \
 195         IFEF_AWDL)
 196 #endif /* XNU_KERNEL_PRIVATE */
 197 #endif /* PRIVATE */
 198
 199 #ifdef KERNEL_PRIVATE
 200 /*
 201  * !!! NOTE !!!
 202  *
 203  * if_idle_flags definitions: (all bits are reserved for internal/future
 204  * use). Setting these flags MUST be done via the ifnet_set_idle_flags()
 205  * KPI due to the associated reference counting.  Clearing them may be done by
 206  * calling the KPI, otherwise implicitly at interface detach time.  Setting
 207  * the if_idle_flags field to a non-zero value will cause the networking
 208  * stack to aggressively purge expired objects (routes, etc.)
 209  */
 210 #define IFRF_IDLE_NOTIFY        0x1     /* Generate notifications on idle */
 211
 212 /* flags set internally only: */
 213 #define IFF_CANTCHANGE \
 214         (IFF_BROADCAST|IFF_POINTOPOINT|IFF_RUNNING|IFF_OACTIVE|\
 215             IFF_SIMPLEX|IFF_MULTICAST|IFF_ALLMULTI)
 216 #endif /* KERNEL_PRIVATE */
 217
 218 /*
 219  * Capabilities that interfaces can advertise.
 220  *
 221  * struct ifnet.if_capabilities
 222  *   contains the optional features & capabilities a particular interface
 223  *   supports (not only the driver but also the detected hw revision).
 224  *   Capabilities are defined by IFCAP_* below.
 225  * struct ifnet.if_capenable
 226  *   contains the enabled (either by default or through ifconfig) optional
 227  *   features & capabilities on this interface.
 228  *   Capabilities are defined by IFCAP_* below.
 229  * struct if_data.ifi_hwassist in IFNET_* form, defined in net/kpi_interface.h,
 230  *   contains the enabled optional features & capabilites that can be used
 231  *   individually per packet and are specified in the mbuf pkthdr.csum_flags
 232  *   field.  IFCAP_* and IFNET_* do not match one to one and IFNET_* may be
 233  *   more detailed or differentiated than IFCAP_*.
 234  *   IFNET_* hwassist flags have corresponding CSUM_* in sys/mbuf.h
 235  */
 236 #define IFCAP_RXCSUM            0x00001 /* can offload checksum on RX */
 237 #define IFCAP_TXCSUM            0x00002 /* can offload checksum on TX */
 238 #define IFCAP_VLAN_MTU          0x00004 /* VLAN-compatible MTU */
 239 #define IFCAP_VLAN_HWTAGGING    0x00008 /* hardware VLAN tag support */
 240 #define IFCAP_JUMBO_MTU         0x00010 /* 9000 byte MTU supported */
 241 #define IFCAP_TSO4              0x00020 /* can do TCP Segmentation Offload */
 242 #define IFCAP_TSO6              0x00040 /* can do TCP6 Segmentation Offload */
 243 #define IFCAP_LRO               0x00080 /* can do Large Receive Offload */
 244 #define IFCAP_AV                0x00100 /* can do 802.1 AV Bridging */
 245 #define IFCAP_TXSTATUS          0x00200 /* can return linklevel xmit status */
 246 #define IFCAP_SKYWALK           0x00400 /* Skywalk mode supported/enabled */
 247 #define IFCAP_HW_TIMESTAMP      0x00800 /* Time stamping in hardware */
 248 #define IFCAP_SW_TIMESTAMP      0x01000 /* Time stamping in software */
 249 #define IFCAP_CSUM_PARTIAL      0x02000 /* can offload partial checksum */
 250 #define IFCAP_CSUM_ZERO_INVERT  0x04000 /* can invert 0 to -0 (0xffff) */
 251
 252 #define IFCAP_HWCSUM    (IFCAP_RXCSUM | IFCAP_TXCSUM)
 253 #define IFCAP_TSO       (IFCAP_TSO4 | IFCAP_TSO6)
 254
 255 #define IFCAP_VALID (IFCAP_HWCSUM | IFCAP_TSO | IFCAP_LRO | IFCAP_VLAN_MTU | \
 256         IFCAP_VLAN_HWTAGGING | IFCAP_JUMBO_MTU | IFCAP_AV | IFCAP_TXSTATUS | \
 257         IFCAP_SKYWALK | IFCAP_SW_TIMESTAMP | IFCAP_HW_TIMESTAMP | \
 258         IFCAP_CSUM_PARTIAL | IFCAP_CSUM_ZERO_INVERT)
 259
 260 #define IFQ_MAXLEN      128
 261 #define IFNET_SLOWHZ    1       /* granularity is 1 second */
 262 #define IFQ_TARGET_DELAY        (10ULL * 1000 * 1000)   /* 10 ms */
 263 #define IFQ_UPDATE_INTERVAL     (100ULL * 1000 * 1000)  /* 100 ms */
 264
 265 /*
 266  * Message format for use in obtaining information about interfaces
 267  * from sysctl and the routing socket
 268  */
 269 struct if_msghdr {
 270         unsigned short  ifm_msglen;     /* to skip non-understood messages */
 271         unsigned char   ifm_version;    /* future binary compatability */
 272         unsigned char   ifm_type;       /* message type */
 273         int             ifm_addrs;      /* like rtm_addrs */
 274         int             ifm_flags;      /* value of if_flags */
 275         unsigned short  ifm_index;      /* index for associated ifp */
 276         struct  if_data ifm_data;       /* statistics and other data about if */
 277 };
 278
 279 /*
 280  * Message format for use in obtaining information about interface addresses
 281  * from sysctl and the routing socket
 282  */
 283 struct ifa_msghdr {
 284         unsigned short  ifam_msglen;    /* to skip non-understood messages */
 285         unsigned char   ifam_version;   /* future binary compatability */
 286         unsigned char   ifam_type;      /* message type */
 287         int             ifam_addrs;     /* like rtm_addrs */
 288         int             ifam_flags;     /* value of ifa_flags */
 289         unsigned short  ifam_index;     /* index for associated ifp */
 290         int             ifam_metric;    /* value of ifa_metric */
 291 };
 292
 293 /*
 294  * Message format for use in obtaining information about multicast addresses
 295  * from the routing socket
 296  */
 297 struct ifma_msghdr {
 298         unsigned short  ifmam_msglen;   /* to skip non-understood messages */
 299         unsigned char   ifmam_version;  /* future binary compatability */
 300         unsigned char   ifmam_type;     /* message type */
 301         int             ifmam_addrs;    /* like rtm_addrs */
 302         int             ifmam_flags;    /* value of ifa_flags */
 303         unsigned short  ifmam_index;    /* index for associated ifp */
 304 };
 305
 306 /*
 307  * Message format for use in obtaining information about interfaces
 308  * from sysctl
 309  */
 310 struct if_msghdr2 {
 311         u_short ifm_msglen;     /* to skip over non-understood messages */
 312         u_char  ifm_version;    /* future binary compatability */
 313         u_char  ifm_type;       /* message type */
 314         int     ifm_addrs;      /* like rtm_addrs */
 315         int     ifm_flags;      /* value of if_flags */
 316         u_short ifm_index;      /* index for associated ifp */
 317         int     ifm_snd_len;    /* instantaneous length of send queue */
 318         int     ifm_snd_maxlen; /* maximum length of send queue */
 319         int     ifm_snd_drops;  /* number of drops in send queue */
 320         int     ifm_timer;      /* time until if_watchdog called */
 321         struct if_data64        ifm_data;       /* statistics and other data */
 322 };
 323
 324 /*
 325  * Message format for use in obtaining information about multicast addresses
 326  * from sysctl
 327  */
 328 struct ifma_msghdr2 {
 329         u_short ifmam_msglen;   /* to skip over non-understood messages */
 330         u_char  ifmam_version;  /* future binary compatability */
 331         u_char  ifmam_type;     /* message type */
 332         int     ifmam_addrs;    /* like rtm_addrs */
 333         int     ifmam_flags;    /* value of ifa_flags */
 334         u_short ifmam_index;    /* index for associated ifp */
 335         int32_t ifmam_refcount;
 336 };
 337
 338 /*
 339  * ifdevmtu: interface device mtu
 340  *    Used with SIOCGIFDEVMTU to get the current mtu in use by the device,
 341  *    as well as the minimum and maximum mtu allowed by the device.
 342  */
 343 struct ifdevmtu {
 344         int     ifdm_current;
 345         int     ifdm_min;
 346         int     ifdm_max;
 347 };
 348
 349 #pragma pack(4)
 350
 351 /*
 352  *  ifkpi: interface kpi ioctl
 353  *  Used with SIOCSIFKPI and SIOCGIFKPI.
 354  *
 355  *  ifk_module_id - From in the kernel, a value from kev_vendor_code_find. From
 356  *       user space, a value from SIOCGKEVVENDOR ioctl on a kernel event socket.
 357  *  ifk_type - The type. Types are specific to each module id.
 358  *  ifk_data - The data. ifk_ptr may be a 64bit pointer for 64 bit processes.
 359  *
 360  *  Copying data between user space and kernel space is done using copyin
 361  *  and copyout. A process may be running in 64bit mode. In such a case,
 362  *  the pointer will be a 64bit pointer, not a 32bit pointer. The following
 363  *  sample is a safe way to copy the data in to the kernel from either a
 364  *  32bit or 64bit process:
 365  *
 366  *  user_addr_t tmp_ptr;
 367  *  if (IS_64BIT_PROCESS(current_proc())) {
 368  *       tmp_ptr = CAST_USER_ADDR_T(ifkpi.ifk_data.ifk_ptr64);
 369  *  }
 370  *  else {
 371  *       tmp_ptr = CAST_USER_ADDR_T(ifkpi.ifk_data.ifk_ptr);
 372  *  }
 373  *  error = copyin(tmp_ptr, allocated_dst_buffer, size of allocated_dst_buffer);
 374  */
 375
 376 struct ifkpi {
 377         unsigned int    ifk_module_id;
 378         unsigned int    ifk_type;
 379         union {
 380                 void            *ifk_ptr;
 381                 int             ifk_value;
 382 #ifdef KERNEL
 383                 u_int64_t       ifk_ptr64;
 384 #endif /* KERNEL */
 385         } ifk_data;
 386 };
 387
 388 /* Wake capabilities of a interface */
 389 #define IF_WAKE_ON_MAGIC_PACKET         0x01
 390 #ifdef KERNEL_PRIVATE
 391 #define IF_WAKE_VALID_FLAGS IF_WAKE_ON_MAGIC_PACKET
 392 #endif /* KERNEL_PRIVATE */
 393
 394
 395 #pragma pack()
 396
 397 /*
 398  * Interface request structure used for socket
 399  * ioctl's.  All interface ioctl's must have parameter
 400  * definitions which begin with ifr_name.  The
 401  * remainder may be interface specific.
 402  */
 403 struct  ifreq {
 404 #ifndef IFNAMSIZ
 405 #define IFNAMSIZ        IF_NAMESIZE
 406 #endif
 407         char    ifr_name[IFNAMSIZ];             /* if name, e.g. "en0" */
 408         union {
 409                 struct  sockaddr ifru_addr;
 410                 struct  sockaddr ifru_dstaddr;
 411                 struct  sockaddr ifru_broadaddr;
 412                 short   ifru_flags;
 413                 int     ifru_metric;
 414                 int     ifru_mtu;
 415                 int     ifru_phys;
 416                 int     ifru_media;
 417                 int     ifru_intval;
 418                 caddr_t ifru_data;
 419 #ifdef KERNEL_PRIVATE
 420                 u_int64_t ifru_data64;  /* 64-bit ifru_data */
 421 #endif /* KERNEL_PRIVATE */
 422                 struct  ifdevmtu ifru_devmtu;
 423                 struct  ifkpi   ifru_kpi;
 424                 u_int32_t ifru_wake_flags;
 425                 u_int32_t ifru_route_refcnt;
 426 #ifdef PRIVATE
 427                 int     ifru_link_quality_metric;
 428 #endif /* PRIVATE */
 429                 int     ifru_cap[2];
 430 #ifdef PRIVATE
 431                 struct {
 432                         uint32_t        ifo_flags;
 433 #define IFRIFOF_BLOCK_OPPORTUNISTIC     0x00000001
 434                         uint32_t        ifo_inuse;
 435                 } ifru_opportunistic;
 436                 u_int64_t ifru_eflags;
 437                 u_int64_t ifru_xflags;
 438                 struct {
 439                         int32_t         ifl_level;
 440                         uint32_t        ifl_flags;
 441 #define IFRLOGF_DLIL                    0x00000001
 442 #define IFRLOGF_FAMILY                  0x00010000
 443 #define IFRLOGF_DRIVER                  0x01000000
 444 #define IFRLOGF_FIRMWARE                0x10000000
 445                         int32_t         ifl_category;
 446 #define IFRLOGCAT_CONNECTIVITY          1
 447 #define IFRLOGCAT_QUALITY               2
 448 #define IFRLOGCAT_PERFORMANCE           3
 449                         int32_t         ifl_subcategory;
 450                 } ifru_log;
 451                 u_int32_t ifru_delegated;
 452                 struct {
 453                         uint32_t        ift_type;
 454                         uint32_t        ift_family;
 455 #define IFRTYPE_FAMILY_ANY              0
 456 #define IFRTYPE_FAMILY_LOOPBACK         1
 457 #define IFRTYPE_FAMILY_ETHERNET         2
 458 #define IFRTYPE_FAMILY_SLIP             3
 459 #define IFRTYPE_FAMILY_TUN              4
 460 #define IFRTYPE_FAMILY_VLAN             5
 461 #define IFRTYPE_FAMILY_PPP              6
 462 #define IFRTYPE_FAMILY_PVC              7
 463 #define IFRTYPE_FAMILY_DISC             8
 464 #define IFRTYPE_FAMILY_MDECAP           9
 465 #define IFRTYPE_FAMILY_GIF              10
 466 #define IFRTYPE_FAMILY_FAITH            11
 467 #define IFRTYPE_FAMILY_STF              12
 468 #define IFRTYPE_FAMILY_FIREWIRE         13
 469 #define IFRTYPE_FAMILY_BOND             14
 470 #define IFRTYPE_FAMILY_CELLULAR         15
 471 #define IFRTYPE_FAMILY_6LOWPAN          16
 472 #define IFRTYPE_FAMILY_UTUN             17
 473 #define IFRTYPE_FAMILY_IPSEC            18
 474                         uint32_t        ift_subfamily;
 475 #define IFRTYPE_SUBFAMILY_ANY           0
 476 #define IFRTYPE_SUBFAMILY_USB           1
 477 #define IFRTYPE_SUBFAMILY_BLUETOOTH     2
 478 #define IFRTYPE_SUBFAMILY_WIFI          3
 479 #define IFRTYPE_SUBFAMILY_THUNDERBOLT   4
 480 #define IFRTYPE_SUBFAMILY_RESERVED      5
 481 #define IFRTYPE_SUBFAMILY_INTCOPROC     6
 482 #define IFRTYPE_SUBFAMILY_QUICKRELAY    7
 483 #define IFRTYPE_SUBFAMILY_DEFAULT       8
 484                 } ifru_type;
 485 #endif /* PRIVATE */
 486                 u_int32_t ifru_functional_type;
 487 #define IFRTYPE_FUNCTIONAL_UNKNOWN              0
 488 #define IFRTYPE_FUNCTIONAL_LOOPBACK             1
 489 #define IFRTYPE_FUNCTIONAL_WIRED                2
 490 #define IFRTYPE_FUNCTIONAL_WIFI_INFRA           3
 491 #define IFRTYPE_FUNCTIONAL_WIFI_AWDL            4
 492 #define IFRTYPE_FUNCTIONAL_CELLULAR             5
 493 #define IFRTYPE_FUNCTIONAL_INTCOPROC            6
 494 #define IFRTYPE_FUNCTIONAL_COMPANIONLINK        7
 495 #define IFRTYPE_FUNCTIONAL_LAST                 7
 496 #ifdef PRIVATE
 497                 u_int32_t ifru_expensive;
 498                 u_int32_t ifru_constrained;
 499                 u_int32_t ifru_2kcl;
 500                 struct {
 501                         u_int32_t qlen;
 502                         u_int32_t timeout;
 503                 } ifru_start_delay;
 504                 struct if_interface_state       ifru_interface_state;
 505                 u_int32_t ifru_probe_connectivity;
 506                 u_int32_t ifru_ecn_mode;
 507 #define IFRTYPE_ECN_DEFAULT             0
 508 #define IFRTYPE_ECN_ENABLE              1
 509 #define IFRTYPE_ECN_DISABLE             2
 510                 u_int32_t ifru_qosmarking_mode;
 511 #define IFRTYPE_QOSMARKING_MODE_NONE            0
 512 #define IFRTYPE_QOSMARKING_FASTLANE     1       /* supported: socket/channel */
 513 #define IFRTYPE_QOSMARKING_RFC4594      2       /* supported: channel only */
 514                 u_int32_t ifru_qosmarking_enabled;
 515                 u_int32_t ifru_disable_output;
 516                 u_int32_t ifru_low_internet;
 517 #define IFRTYPE_LOW_INTERNET_DISABLE_UL_DL      0x0000
 518 #define IFRTYPE_LOW_INTERNET_ENABLE_UL          0x0001
 519 #define IFRTYPE_LOW_INTERNET_ENABLE_DL          0x0002
 520                 int ifru_low_power_mode;
 521                 u_int32_t ifru_tcp_kao_max;
 522                 int ifru_mpk_log;        /* Multi Layer Packet Log */
 523                 u_int32_t ifru_noack_prio;
 524 #endif /* PRIVATE */
 525         } ifr_ifru;
 526 #define ifr_addr        ifr_ifru.ifru_addr      /* address */
 527 #define ifr_dstaddr     ifr_ifru.ifru_dstaddr   /* other end of p-to-p link */
 528 #define ifr_broadaddr   ifr_ifru.ifru_broadaddr /* broadcast address */
 529 #ifdef __APPLE__
 530 #define ifr_flags       ifr_ifru.ifru_flags     /* flags */
 531 #else
 532 #define ifr_flags       ifr_ifru.ifru_flags[0]  /* flags */
 533 #define ifr_prevflags   ifr_ifru.ifru_flags[1]  /* flags */
 534 #endif /* __APPLE__ */
 535 #define ifr_metric      ifr_ifru.ifru_metric    /* metric */
 536 #define ifr_mtu         ifr_ifru.ifru_mtu       /* mtu */
 537 #define ifr_phys        ifr_ifru.ifru_phys      /* physical wire */
 538 #define ifr_media       ifr_ifru.ifru_media     /* physical media */
 539 #define ifr_data        ifr_ifru.ifru_data      /* for use by interface */
 540 #define ifr_devmtu      ifr_ifru.ifru_devmtu
 541 #define ifr_intval      ifr_ifru.ifru_intval    /* integer value */
 542 #ifdef KERNEL_PRIVATE
 543 #define ifr_data64      ifr_ifru.ifru_data64    /* 64-bit pointer */
 544 #endif /* KERNEL_PRIVATE */
 545 #define ifr_kpi         ifr_ifru.ifru_kpi
 546 #define ifr_wake_flags  ifr_ifru.ifru_wake_flags /* wake capabilities */
 547 #define ifr_route_refcnt ifr_ifru.ifru_route_refcnt /* route references count */
 548 #ifdef PRIVATE
 549 #define ifr_link_quality_metric ifr_ifru.ifru_link_quality_metric /* LQM */
 550 #endif /* PRIVATE */
 551 #define ifr_reqcap      ifr_ifru.ifru_cap[0]    /* requested capabilities */
 552 #define ifr_curcap      ifr_ifru.ifru_cap[1]    /* current capabilities */
 553 #ifdef PRIVATE
 554 #define ifr_opportunistic       ifr_ifru.ifru_opportunistic
 555 #define ifr_eflags      ifr_ifru.ifru_eflags    /* extended flags  */
 556 #define ifr_xflags      ifr_ifru.ifru_xflags    /* extra flags  */
 557 #define ifr_log         ifr_ifru.ifru_log       /* logging level/flags */
 558 #define ifr_delegated   ifr_ifru.ifru_delegated /* delegated interface index */
 559 #define ifr_expensive   ifr_ifru.ifru_expensive
 560 #define ifr_constrained   ifr_ifru.ifru_constrained
 561 #define ifr_type        ifr_ifru.ifru_type      /* interface type */
 562 #define ifr_functional_type     ifr_ifru.ifru_functional_type
 563 #define ifr_2kcl        ifr_ifru.ifru_2kcl
 564 #define ifr_start_delay_qlen    ifr_ifru.ifru_start_delay.qlen
 565 #define ifr_start_delay_timeout ifr_ifru.ifru_start_delay.timeout
 566 #define ifr_interface_state     ifr_ifru.ifru_interface_state
 567 #define ifr_probe_connectivity  ifr_ifru.ifru_probe_connectivity
 568 #define ifr_ecn_mode    ifr_ifru.ifru_ecn_mode
 569 #define ifr_qosmarking_mode     ifr_ifru.ifru_qosmarking_mode
 570 #define ifr_fastlane_capable    ifr_qosmarking_mode
 571 #define ifr_qosmarking_enabled  ifr_ifru.ifru_qosmarking_enabled
 572 #define ifr_fastlane_enabled    ifr_qosmarking_enabled
 573 #define ifr_disable_output      ifr_ifru.ifru_disable_output
 574 #define ifr_low_internet        ifr_ifru.ifru_low_internet
 575 #define ifr_low_power_mode      ifr_ifru.ifru_low_power_mode
 576 #define ifr_tcp_kao_max         ifr_ifru.ifru_tcp_kao_max
 577 #define ifr_mpk_log             ifr_ifru.ifru_mpk_log
 578 #define ifr_noack_prio          ifr_ifru.ifru_noack_prio
 579
 580 #endif /* PRIVATE */
 581 };
 582
 583 #define _SIZEOF_ADDR_IFREQ(ifr) \
 584         ((ifr).ifr_addr.sa_len > sizeof (struct sockaddr) ? \
 585         (sizeof (struct ifreq) - sizeof (struct sockaddr) + \
 586         (ifr).ifr_addr.sa_len) : sizeof (struct ifreq))
 587
 588 struct ifaliasreq {
 589         char    ifra_name[IFNAMSIZ];            /* if name, e.g. "en0" */
 590         struct  sockaddr ifra_addr;
 591         struct  sockaddr ifra_broadaddr;
 592         struct  sockaddr ifra_mask;
 593 };
 594
 595 struct rslvmulti_req {
 596         struct sockaddr *sa;
 597         struct sockaddr **llsa;
 598 };
 599
 600 #if !defined(KERNEL) || defined(KERNEL_PRIVATE)
 601 #pragma pack(4)
 602
 603 struct ifmediareq {
 604         char    ifm_name[IFNAMSIZ];     /* if name, e.g. "en0" */
 605         int     ifm_current;            /* current media options */
 606         int     ifm_mask;               /* don't care mask */
 607         int     ifm_status;             /* media status */
 608         int     ifm_active;             /* active options */
 609         int     ifm_count;              /* # entries in ifm_ulist array */
 610         int     *ifm_ulist;             /* media words */
 611 };
 612
 613 #pragma pack()
 614 #endif /* !KERNEL || KERNEL_PRIVATE */
 615
 616 #ifdef KERNEL_PRIVATE
 617 #pragma pack(4)
 618 struct ifmediareq64 {
 619         char    ifm_name[IFNAMSIZ];     /* if name, e.g. "en0" */
 620         int     ifm_current;            /* current media options */
 621         int     ifm_mask;               /* don't care mask */
 622         int     ifm_status;             /* media status */
 623         int     ifm_active;             /* active options */
 624         int     ifm_count;              /* # entries in ifm_ulist array */
 625         user64_addr_t ifmu_ulist __attribute__((aligned(8)));
 626 };
 627
 628 struct ifmediareq32 {
 629         char    ifm_name[IFNAMSIZ];     /* if name, e.g. "en0" */
 630         int     ifm_current;            /* current media options */
 631         int     ifm_mask;               /* don't care mask */
 632         int     ifm_status;             /* media status */
 633         int     ifm_active;             /* active options */
 634         int     ifm_count;              /* # entries in ifm_ulist array */
 635         user32_addr_t ifmu_ulist;       /* 32-bit pointer */
 636 };
 637 #pragma pack()
 638 #endif /* KERNEL_PRIVATE */
 639
 640
 641 #pragma pack(4)
 642 struct  ifdrv {
 643         char            ifd_name[IFNAMSIZ];     /* if name, e.g. "en0" */
 644         unsigned long   ifd_cmd;
 645         size_t          ifd_len;                /* length of ifd_data buffer */
 646         void            *ifd_data;
 647 };
 648 #pragma pack()
 649
 650 #ifdef KERNEL_PRIVATE
 651 #pragma pack(4)
 652 struct ifdrv32 {
 653         char            ifd_name[IFNAMSIZ];     /* if name, e.g. "en0" */
 654         u_int32_t       ifd_cmd;
 655         u_int32_t       ifd_len;
 656         user32_addr_t   ifd_data;
 657 };
 658
 659 struct  ifdrv64 {
 660         char            ifd_name[IFNAMSIZ];     /* if name, e.g. "en0" */
 661         u_int64_t       ifd_cmd;
 662         u_int64_t       ifd_len;
 663         user64_addr_t   ifd_data;
 664 };
 665 #pragma pack()
 666 #endif /* KERNEL_PRIVATE */
 667
 668 /*
 669  * Structure used to retrieve aux status data from interfaces.
 670  * Kernel suppliers to this interface should respect the formatting
 671  * needed by ifconfig(8): each line starts with a TAB and ends with
 672  * a newline.
 673  */
 674
 675 #define IFSTATMAX       800             /* 10 lines of text */
 676 struct ifstat {
 677         char    ifs_name[IFNAMSIZ];     /* if name, e.g. "en0" */
 678         char    ascii[IFSTATMAX + 1];
 679 };
 680
 681 #if !defined(KERNEL) || defined(KERNEL_PRIVATE)
 682 /*
 683  * Structure used in SIOCGIFCONF request.
 684  * Used to retrieve interface configuration
 685  * for machine (useful for programs which
 686  * must know all networks accessible).
 687  */
 688 #pragma pack(4)
 689 struct  ifconf {
 690         int     ifc_len;                /* size of associated buffer */
 691         union {
 692                 caddr_t ifcu_buf;
 693                 struct  ifreq *ifcu_req;
 694         } ifc_ifcu;
 695 };
 696 #pragma pack()
 697 #define ifc_buf ifc_ifcu.ifcu_buf       /* buffer address */
 698 #define ifc_req ifc_ifcu.ifcu_req       /* array of structures returned */
 699 #endif /* !KERNEL || KERNEL_PRIVATE */
 700
 701 #if defined(KERNEL_PRIVATE)
 702 #pragma pack(4)
 703 struct ifconf32 {
 704         int     ifc_len;                /* size of associated buffer */
 705         struct {
 706                 user32_addr_t ifcu_req;
 707         } ifc_ifcu;
 708 };
 709
 710 struct ifconf64 {
 711         int     ifc_len;                /* size of associated buffer */
 712         struct {
 713                 user64_addr_t ifcu_req  __attribute__((aligned(8)));
 714         } ifc_ifcu;
 715 };
 716 #pragma pack()
 717 #endif /* KERNEL_PRIVATE */
 718
 719 /*
 720  * DLIL KEV_DL_PROTO_ATTACHED/DETACHED structure
 721  */
 722 struct kev_dl_proto_data {
 723         struct net_event_data           link_data;
 724         u_int32_t                       proto_family;
 725         u_int32_t                       proto_remaining_count;
 726 };
 727
 728 #ifdef PRIVATE
 729 /*
 730  * Link Quality Metrics
 731  *
 732  *      IFNET_LQM_THRESH_OFF      Metric is not available; device is off.
 733  *      IFNET_LQM_THRESH_UNKNOWN  Metric is not (yet) known.
 734  *      IFNET_LQM_THRESH_BAD      Link quality is considered bad by driver.
 735  *      IFNET_LQM_THRESH_POOR     Link quality is considered poor by driver.
 736  *      IFNET_LQM_THRESH_GOOD     Link quality is considered good by driver.
 737  */
 738 enum {
 739         IFNET_LQM_THRESH_OFF            = (-2),
 740         IFNET_LQM_THRESH_UNKNOWN        = (-1),
 741         IFNET_LQM_THRESH_ABORT          = 10,
 742         IFNET_LQM_THRESH_MINIMALLY_VIABLE = 20,
 743         IFNET_LQM_THRESH_POOR           = 50,
 744         IFNET_LQM_THRESH_GOOD           = 100
 745 };
 746 #define IFNET_LQM_THRESH_BAD    IFNET_LQM_THRESH_ABORT
 747
 748 #ifdef XNU_KERNEL_PRIVATE
 749 #define IFNET_LQM_MIN   IFNET_LQM_THRESH_OFF
 750 #define IFNET_LQM_MAX   IFNET_LQM_THRESH_GOOD
 751 #endif /* XNU_KERNEL_PRIVATE */
 752
 753 /*
 754  * DLIL KEV_DL_LINK_QUALITY_METRIC_CHANGED structure
 755  */
 756 struct kev_dl_link_quality_metric_data {
 757         struct net_event_data   link_data;
 758         int                     link_quality_metric;
 759 };
 760
 761 #define IF_DESCSIZE     128
 762
 763 /*
 764  * Structure for SIOC[SG]IFDESC
 765  */
 766 struct if_descreq {
 767         char                    ifdr_name[IFNAMSIZ];    /* interface name */
 768         u_int32_t               ifdr_len;               /* up to IF_DESCSIZE */
 769         u_int8_t                ifdr_desc[IF_DESCSIZE]; /* opaque data */
 770 };
 771
 772 /*
 773  *      Output packet scheduling models
 774  *
 775  *      IFNET_SCHED_MODEL_NORMAL The default output packet scheduling model
 776  *              where the driver or media does not require strict scheduling
 777  *              strategy, and that the networking stack is free to choose the
 778  *              most appropriate scheduling and queueing algorithm, including
 779  *              shaping traffics.
 780  *      IFNET_SCHED_MODEL_DRIVER_MANAGED The alternative output packet
 781  *              scheduling model where the driver or media requires strict
 782  *              scheduling strategy (e.g. 802.11 WMM), and that the networking
 783  *              stack is only responsible for creating multiple queues for the
 784  *              corresponding service classes.
 785  */
 786 enum {
 787         IFNET_SCHED_MODEL_NORMAL                = 0,
 788         IFNET_SCHED_MODEL_DRIVER_MANAGED        = 1,
 789         IFNET_SCHED_MODEL_FQ_CODEL              = 2,
 790 #ifdef XNU_KERNEL_PRIVATE
 791         IFNET_SCHED_MODEL_MAX                   = 3,
 792 #endif /* XNU_KERNEL_PRIVATE */
 793 };
 794
 795 /*
 796  * Values for iflpr_flags
 797  */
 798 #define IFLPRF_ALTQ             0x1     /* configured via PF/ALTQ */
 799 #define IFLPRF_DRVMANAGED       0x2     /* output queue scheduled by drv */
 800
 801 /*
 802  * Structure for SIOCGIFLINKPARAMS
 803  */
 804 struct if_linkparamsreq {
 805         char            iflpr_name[IFNAMSIZ];   /* interface name */
 806         u_int32_t       iflpr_flags;
 807         u_int32_t       iflpr_output_sched;
 808         u_int64_t       iflpr_output_tbr_rate;
 809         u_int32_t       iflpr_output_tbr_percent;
 810         u_int64_t       iflpr_input_tbr_rate;
 811         struct if_bandwidths iflpr_output_bw;
 812         struct if_bandwidths iflpr_input_bw;
 813         struct if_latencies iflpr_output_lt;
 814         struct if_latencies iflpr_input_lt;
 815         struct if_netem_params iflpr_input_netem;
 816         struct if_netem_params iflpr_output_netem;
 817 };
 818
 819 /*
 820  * Structure for SIOCGIFQUEUESTATS
 821  */
 822 struct if_qstatsreq {
 823         char            ifqr_name[IFNAMSIZ];    /* interface name */
 824         u_int32_t       ifqr_slot;
 825         void            *ifqr_buf               __attribute__((aligned(8)));
 826         int              ifqr_len               __attribute__((aligned(8)));
 827 };
 828
 829 /*
 830  * Node Proximity Metrics
 831  */
 832 enum {
 833         IFNET_NPM_THRESH_UNKNOWN        = (-1),
 834         IFNET_NPM_THRESH_NEAR           = 30,
 835         IFNET_NPM_THRESH_GENERAL        = 70,
 836         IFNET_NPM_THRESH_FAR            = 100,
 837 };
 838
 839 /*
 840  *      Received Signal Strength Indication [special values]
 841  *
 842  *      IFNET_RSSI_UNKNOWN      Metric is not (yet) known.
 843  */
 844 enum {
 845         IFNET_RSSI_UNKNOWN      = ((-2147483647) - 1),    /* INT32_MIN */
 846 };
 847
 848
 849 /*
 850  * DLIL KEV_DL_NODE_PRESENCE/KEV_DL_NODE_ABSENCE event structures
 851  */
 852 struct kev_dl_node_presence {
 853         struct net_event_data   link_data;
 854         struct sockaddr_in6     sin6_node_address;
 855         struct sockaddr_dl      sdl_node_address;
 856         int32_t                 rssi;
 857         int                     link_quality_metric;
 858         int                     node_proximity_metric;
 859         u_int8_t                node_service_info[48];
 860 };
 861
 862 struct kev_dl_node_absence {
 863         struct net_event_data   link_data;
 864         struct sockaddr_in6     sin6_node_address;
 865         struct sockaddr_dl      sdl_node_address;
 866 };
 867
 868 /*
 869  * Structure for SIOC[SG]IFTHROTTLE
 870  */
 871 struct if_throttlereq {
 872         char            ifthr_name[IFNAMSIZ];   /* interface name */
 873         u_int32_t       ifthr_level;
 874 };
 875
 876 /*
 877  *      Interface throttling levels
 878  *
 879  *      IFNET_THROTTLE_OFF The default throttling level (no throttling.)
 880  *              All service class queues operate normally according to the
 881  *              standard packet scheduler configuration.
 882  *      IFNET_THROTTLE_OPPORTUNISTIC One or more service class queues that
 883  *              are responsible for managing "opportunistic" traffics are
 884  *              suspended.  Packets enqueued on those queues will be dropped
 885  *              and a flow advisory error will be generated to the data
 886  *              source.  Existing packets in the queues will stay enqueued
 887  *              until the interface is no longer throttled, or until they
 888  *              are explicitly flushed.
 889  */
 890 enum {
 891         IFNET_THROTTLE_OFF                      = 0,
 892         IFNET_THROTTLE_OPPORTUNISTIC            = 1,
 893 #ifdef XNU_KERNEL_PRIVATE
 894         IFNET_THROTTLE_MAX                      = 2,
 895 #endif /* XNU_KERNEL_PRIVATE */
 896 };
 897
 898 /*
 899  * Structure for SIOC[A/D]IFAGENTID
 900  */
 901 struct if_agentidreq {
 902         char            ifar_name[IFNAMSIZ];    /* interface name */
 903         uuid_t          ifar_uuid;              /* agent UUID to add or delete */
 904 };
 905
 906 /*
 907  * Structure for SIOCGIFAGENTIDS
 908  */
 909 struct if_agentidsreq {
 910         char            ifar_name[IFNAMSIZ];    /* interface name */
 911         u_int32_t       ifar_count;             /* number of agent UUIDs */
 912         uuid_t          *ifar_uuids;            /* array of agent UUIDs */
 913 };
 914
 915 #ifdef BSD_KERNEL_PRIVATE
 916 struct if_agentidsreq32 {
 917         char            ifar_name[IFNAMSIZ];
 918         u_int32_t       ifar_count;
 919         user32_addr_t ifar_uuids;
 920 };
 921 struct if_agentidsreq64 {
 922         char            ifar_name[IFNAMSIZ];
 923         u_int32_t       ifar_count;
 924         user64_addr_t ifar_uuids __attribute__((aligned(8)));
 925 };
 926 #endif /* BSD_KERNEL_PRIVATE */
 927
 928 /*
 929  * Structure for SIOCGIFNEXUS
 930  */
 931 struct if_nexusreq {
 932         char            ifnr_name[IFNAMSIZ];    /* interface name */
 933         uint64_t        ifnr_flags;             /* unused, must be zero */
 934         uuid_t          ifnr_netif;             /* netif nexus instance UUID */
 935         uuid_t          ifnr_flowswitch;        /* flowswitch nexus UUID */
 936         uint64_t        ifnr_reserved[5];
 937 };
 938
 939 #define DLIL_MODIDLEN   20      /* same as IFNET_MODIDLEN */
 940 #define DLIL_MODARGLEN  12      /* same as IFNET_MODARGLEN */
 941
 942 /*
 943  * DLIL KEV_DL_ISSUES event structure
 944  */
 945 struct kev_dl_issues {
 946         struct net_event_data   link_data;
 947         u_int8_t                modid[DLIL_MODIDLEN];
 948         u_int64_t               timestamp;
 949         u_int8_t                info[DLIL_MODARGLEN];
 950 };
 951
 952 /*
 953  * DLIL KEV_DL_RRC_STATE_CHANGED structure
 954  */
 955 struct kev_dl_rrc_state {
 956         struct net_event_data   link_data;
 957         u_int32_t               rrc_state;
 958 };
 959
 960 /*
 961  * KEV_DL_LOW_POWER_MODE_CHANGED
 962  */
 963 struct kev_dl_low_power_mode {
 964         struct net_event_data   link_data;
 965         int                     low_power_event;
 966 };
 967
 968 /*
 969  * Length of network signature/fingerprint blob.
 970  */
 971 #define IFNET_SIGNATURELEN      20
 972
 973 /*
 974  * Structure for SIOC[S/G]IFNETSIGNATURE
 975  */
 976 struct if_nsreq {
 977         char            ifnsr_name[IFNAMSIZ];
 978         u_int8_t        ifnsr_family;   /* address family */
 979         u_int8_t        ifnsr_len;      /* data length */
 980         u_int16_t       ifnsr_flags;    /* for future */
 981         u_int8_t        ifnsr_data[IFNET_SIGNATURELEN];
 982 };
 983
 984 /* Structure for SIOCSIFNETWORKID */
 985 struct if_netidreq {
 986         char            ifnetid_name[IFNAMSIZ];
 987         u_int8_t        ifnetid_len;
 988         u_int8_t        ifnetid[IFNET_NETWORK_ID_LEN];
 989 };
 990
 991 #define NAT64_PREFIX_LEN_32     4
 992 #define NAT64_PREFIX_LEN_40     5
 993 #define NAT64_PREFIX_LEN_48     6
 994 #define NAT64_PREFIX_LEN_56     7
 995 #define NAT64_PREFIX_LEN_64     8
 996 #define NAT64_PREFIX_LEN_96     12
 997 #define NAT64_PREFIX_LEN_MAX    NAT64_PREFIX_LEN_96
 998
 999 #define NAT64_MAX_NUM_PREFIXES  4
1000
1001 struct ipv6_prefix {
1002         struct in6_addr ipv6_prefix;
1003         uint32_t        prefix_len;
1004 };
1005
1006 struct if_ipv6_address {
1007         struct in6_addr v6_address;
1008         uint32_t        v6_prefixlen;
1009 };
1010
1011 /* Structure for SIOC[S/G]IFNAT64PREFIX */
1012 struct if_nat64req {
1013         char                    ifnat64_name[IFNAMSIZ];
1014         struct ipv6_prefix      ifnat64_prefixes[NAT64_MAX_NUM_PREFIXES];
1015 };
1016
1017 /* Structure for SIOCGIFCLAT46ADDR */
1018 struct if_clat46req {
1019         char                    ifclat46_name[IFNAMSIZ];
1020         struct if_ipv6_address  ifclat46_addr;
1021 };
1022
1023 /*
1024  * Structure for SIOC[S/G]IFORDER
1025  *
1026  * When setting, ifo_count is the number of u_int32_t interface indices
1027  * in the ifo_ordered_indices array.
1028  *
1029  * When getting, if ifo_count is 0, the length of the ordered list will
1030  * be returned. If the ifo_count is non-0, it is the number of u_int32_t
1031  * interface indices allocated. Upon return, ifo_count will contain the number
1032  * of indices copied into the array.
1033  */
1034 struct if_order {
1035         u_int32_t                       ifo_count;
1036         u_int32_t                       ifo_reserved;
1037         mach_vm_address_t       ifo_ordered_indices; /* array of u_int32_t */
1038 };
1039
1040 /*
1041  * Struct for traffic class to DSCP mapping
1042  */
1043 struct if_tdmreq {
1044         char                            iftdm_name[IFNAMSIZ];
1045         u_int32_t                       iftdm_len;      /* byte length of the table */
1046         struct netsvctype_dscp_map      *iftdm_table;
1047 };
1048
1049 #ifdef BSD_KERNEL_PRIVATE
1050 struct if_tdmreq32 {
1051         char                    iftdm_name[IFNAMSIZ];
1052         u_int32_t               iftdm_len;      /* byte length of the table */
1053         user32_addr_t           iftdm_table;
1054 };
1055
1056 struct if_tdmreq64 {
1057         char                    iftdm_name[IFNAMSIZ];
1058         u_int32_t               iftdm_len;      /* byte length of the table */
1059         user64_addr_t           iftdm_table __attribute__((aligned(8)));
1060 };
1061 #endif
1062
1063 /*
1064  * Structure for SIOCGIFPROTOLIST.
1065  */
1066 struct if_protolistreq {
1067         char                    ifpl_name[IFNAMSIZ];
1068         u_int32_t               ifpl_count;
1069         u_int32_t               ifpl_reserved; /* must be zero */
1070         u_int32_t               *ifpl_list;
1071 };
1072
1073 #ifdef BSD_KERNEL_PRIVATE
1074 struct if_protolistreq32 {
1075         char                    ifpl_name[IFNAMSIZ];
1076         u_int32_t               ifpl_count;
1077         u_int32_t               ifpl_reserved; /* must be zero */
1078         user32_addr_t           ifpl_list;
1079 };
1080
1081 struct if_protolistreq64 {
1082         char                    ifpl_name[IFNAMSIZ];
1083         u_int32_t               ifpl_count;
1084         u_int32_t               ifpl_reserved; /* must be zero */
1085         user64_addr_t           ifpl_list;
1086 };
1087 #endif /* BSD_KERNEL_PRIVATE */
1088
1089 #endif /* PRIVATE */
1090
1091 #ifdef KERNEL
1092 #ifdef MALLOC_DECLARE
1093 MALLOC_DECLARE(M_IFADDR);
1094 MALLOC_DECLARE(M_IFMADDR);
1095 #endif
1096 #endif
1097 #endif /* (_POSIX_C_SOURCE && !_DARWIN_C_SOURCE) */
1098
1099 #ifndef KERNEL
1100 struct if_nameindex {
1101         unsigned int     if_index;      /* 1, 2, ... */
1102         char            *if_name;       /* null terminated name: "le0", ... */
1103 };
1104
1105 __BEGIN_DECLS
1106 unsigned int     if_nametoindex(const char *);
1107 char            *if_indextoname(unsigned int, char *);
1108 struct           if_nameindex *if_nameindex(void);
1109 void             if_freenameindex(struct if_nameindex *);
1110 __END_DECLS
1111 #endif
1112
1113 #ifdef KERNEL
1114 #include <net/kpi_interface.h>
1115 #endif
1116
1117 #endif /* !_NET_IF_H_ */