bsd/net/if.h

   1 /*
   2  * Copyright (c) 2000-2015 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
  68 #define IF_NAMESIZE     16
  69
  70 #if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)
  71 #include <sys/appleapiopts.h>
  72 #ifdef __APPLE__
  73 /*
  74  * Define Data-Link event subclass, and associated
  75  * events.
  76  */
  77
  78 #define KEV_DL_SUBCLASS 2
  79
  80 #define KEV_DL_SIFFLAGS                         1
  81 #define KEV_DL_SIFMETRICS                       2
  82 #define KEV_DL_SIFMTU                           3
  83 #define KEV_DL_SIFPHYS                          4
  84 #define KEV_DL_SIFMEDIA                         5
  85 #define KEV_DL_SIFGENERIC                       6
  86 #define KEV_DL_ADDMULTI                         7
  87 #define KEV_DL_DELMULTI                         8
  88 #define KEV_DL_IF_ATTACHED                      9
  89 #define KEV_DL_IF_DETACHING                     10
  90 #define KEV_DL_IF_DETACHED                      11
  91 #define KEV_DL_LINK_OFF                         12
  92 #define KEV_DL_LINK_ON                          13
  93 #define KEV_DL_PROTO_ATTACHED                   14
  94 #define KEV_DL_PROTO_DETACHED                   15
  95 #define KEV_DL_LINK_ADDRESS_CHANGED             16
  96 #define KEV_DL_WAKEFLAGS_CHANGED                17
  97 #define KEV_DL_IF_IDLE_ROUTE_REFCNT             18
  98 #define KEV_DL_IFCAP_CHANGED                    19
  99 #define KEV_DL_LINK_QUALITY_METRIC_CHANGED      20
 100 #define KEV_DL_NODE_PRESENCE                    21
 101 #define KEV_DL_NODE_ABSENCE                     22
 102 #define KEV_DL_MASTER_ELECTED                   23
 103 #define KEV_DL_ISSUES                           24
 104 #define KEV_DL_IFDELEGATE_CHANGED               25
 105 #define KEV_DL_AWDL_RESTRICTED                  26
 106 #define KEV_DL_AWDL_UNRESTRICTED                27
 107 #define KEV_DL_RRC_STATE_CHANGED                28
 108
 109 #include <net/if_var.h>
 110 #include <sys/types.h>
 111 #include <sys/socket.h>
 112
 113 #ifdef PRIVATE
 114 #include <net/if_dl.h>
 115 #include <netinet/in.h>
 116 #endif
 117 #endif
 118
 119 struct if_clonereq {
 120         int     ifcr_total;             /* total cloners (out) */
 121         int     ifcr_count;             /* room for this many in user buffer */
 122         char    *ifcr_buffer;           /* buffer for cloner names */
 123 };
 124
 125 #ifdef KERNEL_PRIVATE
 126 #define IF_MAXUNIT      0x7fff  /* historical value */
 127
 128 struct if_clonereq64 {
 129         int     ifcr_total;             /* total cloners (out) */
 130         int     ifcr_count;             /* room for this many in user buffer */
 131         user64_addr_t ifcru_buffer      __attribute__((aligned(8)));
 132 };
 133
 134 struct if_clonereq32 {
 135         int     ifcr_total;             /* total cloners (out) */
 136         int     ifcr_count;             /* room for this many in user buffer */
 137         user32_addr_t ifcru_buffer;
 138 };
 139 #endif /* KERNEL_PRIVATE */
 140
 141 #define IFF_UP          0x1             /* interface is up */
 142 #define IFF_BROADCAST   0x2             /* broadcast address valid */
 143 #define IFF_DEBUG       0x4             /* turn on debugging */
 144 #define IFF_LOOPBACK    0x8             /* is a loopback net */
 145 #define IFF_POINTOPOINT 0x10            /* interface is point-to-point link */
 146 #define IFF_NOTRAILERS  0x20            /* obsolete: avoid use of trailers */
 147 #define IFF_RUNNING     0x40            /* resources allocated */
 148 #define IFF_NOARP       0x80            /* no address resolution protocol */
 149 #define IFF_PROMISC     0x100           /* receive all packets */
 150 #define IFF_ALLMULTI    0x200           /* receive all multicast packets */
 151 #define IFF_OACTIVE     0x400           /* transmission in progress */
 152 #define IFF_SIMPLEX     0x800           /* can't hear own transmissions */
 153 #define IFF_LINK0       0x1000          /* per link layer defined bit */
 154 #define IFF_LINK1       0x2000          /* per link layer defined bit */
 155 #define IFF_LINK2       0x4000          /* per link layer defined bit */
 156 #define IFF_ALTPHYS     IFF_LINK2       /* use alternate physical connection */
 157 #define IFF_MULTICAST   0x8000          /* supports multicast */
 158
 159 #ifdef PRIVATE
 160 /* extended flags definitions:  (all bits reserved for internal/future use) */
 161 #define IFEF_AUTOCONFIGURING    0x00000001      /* allow BOOTP/DHCP replies to enter */
 162 #define IFEF_ENQUEUE_MULTI      0x00000002      /* enqueue multiple packets at once */
 163 #define IFEF_DELAY_START        0x00000004      /* delay start callback */
 164 #define IFEF_PROBE_CONNECTIVITY 0x00000008      /* Probe connections going over this interface */
 165 #define IFEF_IPV6_DISABLED      0x00000020      /* coupled to ND6_IFF_IFDISABLED */
 166 #define IFEF_ACCEPT_RTADV       0x00000040      /* accepts IPv6 RA on the interface */
 167 #define IFEF_TXSTART            0x00000080      /* has start callback */
 168 #define IFEF_RXPOLL             0x00000100      /* supports opportunistic input poll */
 169 #define IFEF_VLAN               0x00000200      /* interface has one or more vlans */
 170 #define IFEF_BOND               0x00000400      /* interface is part of bond */
 171 #define IFEF_ARPLL              0x00000800      /* ARP for IPv4LL addresses */
 172 #define IFEF_NOWINDOWSCALE      0x00001000      /* Don't scale TCP window on iface */
 173 #define IFEF_NOAUTOIPV6LL       0x00002000      /* Need explicit IPv6 LL address */
 174 #define IFEF_EXPENSIVE          0x00004000      /* Data access has a cost */
 175 #define IFEF_IPV4_ROUTER        0x00008000      /* interior when in IPv4 router mode */
 176 #define IFEF_IPV6_ROUTER        0x00010000      /* interior when in IPv6 router mode */
 177 #define IFEF_LOCALNET_PRIVATE   0x00020000      /* local private network */
 178 #define IFEF_SERVICE_TRIGGERED  IFEF_LOCALNET_PRIVATE
 179 #define IFEF_IPV6_ND6ALT        0x00040000      /* alternative. KPI for ND6 */
 180 #define IFEF_RESTRICTED_RECV    0x00080000      /* interface restricts inbound pkts */
 181 #define IFEF_AWDL               0x00100000      /* Apple Wireless Direct Link */
 182 #define IFEF_NOACKPRI           0x00200000      /* No TCP ACK prioritization */
 183 #define IFEF_AWDL_RESTRICTED    0x00400000      /* Restricted AWDL mode */
 184 #define IFEF_2KCL               0x00800000      /* prefers 2K cluster (socket based tunnel) */
 185 #define IFEF_ECN_ENABLE         0x01000000      /* use ECN for TCP connections on the interface */
 186 #define IFEF_ECN_DISABLE        0x02000000      /* do not use ECN for TCP connections on the interface */
 187 #define IFEF_SENDLIST           0x10000000      /* Supports tx packet lists */
 188 #define IFEF_DIRECTLINK         0x20000000      /* point-to-point topology */
 189 #define _IFEF_INUSE             0x40000000      /* deprecated */
 190 #define IFEF_UPDOWNCHANGE       0x80000000      /* up/down state is changing */
 191 #ifdef XNU_KERNEL_PRIVATE
 192 /*
 193  * Current requirements for an AWDL interface.  Setting/clearing IFEF_AWDL
 194  * will also trigger the setting/clearing of the rest of the flags.  Once
 195  * IFEF_AWDL is set, the rest of flags cannot be cleared, by definition.
 196  */
 197 #define IFEF_AWDL_MASK \
 198         (IFEF_LOCALNET_PRIVATE | IFEF_IPV6_ND6ALT | IFEF_RESTRICTED_RECV | \
 199         IFEF_AWDL)
 200 #endif /* XNU_KERNEL_PRIVATE */
 201 #endif /* PRIVATE */
 202
 203 #ifdef KERNEL_PRIVATE
 204 /*
 205  * !!! NOTE !!!
 206  *
 207  * if_idle_flags definitions: (all bits are reserved for internal/future
 208  * use). Setting these flags MUST be done via the ifnet_set_idle_flags()
 209  * KPI due to the associated reference counting.  Clearing them may be done by
 210  * calling the KPI, otherwise implicitly at interface detach time.  Setting
 211  * the if_idle_flags field to a non-zero value will cause the networking
 212  * stack to aggressively purge expired objects (routes, etc.)
 213  */
 214 #define IFRF_IDLE_NOTIFY        0x1     /* Generate notifications on idle */
 215
 216 /* flags set internally only: */
 217 #define IFF_CANTCHANGE \
 218         (IFF_BROADCAST|IFF_POINTOPOINT|IFF_RUNNING|IFF_OACTIVE|\
 219             IFF_SIMPLEX|IFF_MULTICAST|IFF_ALLMULTI)
 220 #endif /* KERNEL_PRIVATE */
 221
 222 /*
 223  * Capabilities that interfaces can advertise.
 224  *
 225  * struct ifnet.if_capabilities
 226  *   contains the optional features & capabilities a particular interface
 227  *   supports (not only the driver but also the detected hw revision).
 228  *   Capabilities are defined by IFCAP_* below.
 229  * struct ifnet.if_capenable
 230  *   contains the enabled (either by default or through ifconfig) optional
 231  *   features & capabilities on this interface.
 232  *   Capabilities are defined by IFCAP_* below.
 233  * struct if_data.ifi_hwassist in IFNET_* form, defined in net/kpi_interface.h,
 234  *   contains the enabled optional features & capabilites that can be used
 235  *   individually per packet and are specified in the mbuf pkthdr.csum_flags
 236  *   field.  IFCAP_* and IFNET_* do not match one to one and IFNET_* may be
 237  *   more detailed or differenciated than IFCAP_*.
 238  *   IFNET_* hwassist flags have corresponding CSUM_* in sys/mbuf.h
 239  */
 240 #define IFCAP_RXCSUM            0x00001 /* can offload checksum on RX */
 241 #define IFCAP_TXCSUM            0x00002 /* can offload checksum on TX */
 242 #define IFCAP_VLAN_MTU          0x00004 /* VLAN-compatible MTU */
 243 #define IFCAP_VLAN_HWTAGGING    0x00008 /* hardware VLAN tag support */
 244 #define IFCAP_JUMBO_MTU         0x00010 /* 9000 byte MTU supported */
 245 #define IFCAP_TSO4              0x00020 /* can do TCP Segmentation Offload */
 246 #define IFCAP_TSO6              0x00040 /* can do TCP6 Segmentation Offload */
 247 #define IFCAP_LRO               0x00080 /* can do Large Receive Offload */
 248 #define IFCAP_AV                0x00100 /* can do 802.1 AV Bridging */
 249 #define IFCAP_TXSTATUS          0x00200 /* can return linklevel xmit status */
 250
 251 #define IFCAP_HWCSUM    (IFCAP_RXCSUM | IFCAP_TXCSUM)
 252 #define IFCAP_TSO       (IFCAP_TSO4 | IFCAP_TSO6)
 253
 254 #define IFCAP_VALID (IFCAP_HWCSUM | IFCAP_TSO | IFCAP_LRO | IFCAP_VLAN_MTU | \
 255         IFCAP_VLAN_HWTAGGING | IFCAP_JUMBO_MTU | IFCAP_AV | IFCAP_TXSTATUS)
 256
 257 #define IFQ_MAXLEN      128
 258 #define IFNET_SLOWHZ    1       /* granularity is 1 second */
 259 #define IFQ_TARGET_DELAY        (10ULL * 1000 * 1000)   /* 10 ms */
 260 #define IFQ_UPDATE_INTERVAL     (100ULL * 1000 * 1000)  /* 100 ms */
 261
 262 /*
 263  * Message format for use in obtaining information about interfaces
 264  * from sysctl and the routing socket
 265  */
 266 struct if_msghdr {
 267         unsigned short  ifm_msglen;     /* to skip non-understood messages */
 268         unsigned char   ifm_version;    /* future binary compatability */
 269         unsigned char   ifm_type;       /* message type */
 270         int             ifm_addrs;      /* like rtm_addrs */
 271         int             ifm_flags;      /* value of if_flags */
 272         unsigned short  ifm_index;      /* index for associated ifp */
 273         struct  if_data ifm_data;       /* statistics and other data about if */
 274 };
 275
 276 /*
 277  * Message format for use in obtaining information about interface addresses
 278  * from sysctl and the routing socket
 279  */
 280 struct ifa_msghdr {
 281         unsigned short  ifam_msglen;    /* to skip non-understood messages */
 282         unsigned char   ifam_version;   /* future binary compatability */
 283         unsigned char   ifam_type;      /* message type */
 284         int             ifam_addrs;     /* like rtm_addrs */
 285         int             ifam_flags;     /* value of ifa_flags */
 286         unsigned short  ifam_index;     /* index for associated ifp */
 287         int             ifam_metric;    /* value of ifa_metric */
 288 };
 289
 290 /*
 291  * Message format for use in obtaining information about multicast addresses
 292  * from the routing socket
 293  */
 294 struct ifma_msghdr {
 295         unsigned short  ifmam_msglen;   /* to skip non-understood messages */
 296         unsigned char   ifmam_version;  /* future binary compatability */
 297         unsigned char   ifmam_type;     /* message type */
 298         int             ifmam_addrs;    /* like rtm_addrs */
 299         int             ifmam_flags;    /* value of ifa_flags */
 300         unsigned short  ifmam_index;    /* index for associated ifp */
 301 };
 302
 303 /*
 304  * Message format for use in obtaining information about interfaces
 305  * from sysctl
 306  */
 307 struct if_msghdr2 {
 308         u_short ifm_msglen;     /* to skip over non-understood messages */
 309         u_char  ifm_version;    /* future binary compatability */
 310         u_char  ifm_type;       /* message type */
 311         int     ifm_addrs;      /* like rtm_addrs */
 312         int     ifm_flags;      /* value of if_flags */
 313         u_short ifm_index;      /* index for associated ifp */
 314         int     ifm_snd_len;    /* instantaneous length of send queue */
 315         int     ifm_snd_maxlen; /* maximum length of send queue */
 316         int     ifm_snd_drops;  /* number of drops in send queue */
 317         int     ifm_timer;      /* time until if_watchdog called */
 318         struct if_data64        ifm_data;       /* statistics and other data */
 319 };
 320
 321 /*
 322  * Message format for use in obtaining information about multicast addresses
 323  * from sysctl
 324  */
 325 struct ifma_msghdr2 {
 326         u_short ifmam_msglen;   /* to skip over non-understood messages */
 327         u_char  ifmam_version;  /* future binary compatability */
 328         u_char  ifmam_type;     /* message type */
 329         int     ifmam_addrs;    /* like rtm_addrs */
 330         int     ifmam_flags;    /* value of ifa_flags */
 331         u_short ifmam_index;    /* index for associated ifp */
 332         int32_t ifmam_refcount;
 333 };
 334
 335 /*
 336  * ifdevmtu: interface device mtu
 337  *    Used with SIOCGIFDEVMTU to get the current mtu in use by the device,
 338  *    as well as the minimum and maximum mtu allowed by the device.
 339  */
 340 struct ifdevmtu {
 341         int     ifdm_current;
 342         int     ifdm_min;
 343         int     ifdm_max;
 344 };
 345
 346 #pragma pack(4)
 347
 348 /*
 349  ifkpi: interface kpi ioctl
 350  Used with SIOCSIFKPI and SIOCGIFKPI.
 351
 352  ifk_module_id - From in the kernel, a value from kev_vendor_code_find. From
 353         user space, a value from SIOCGKEVVENDOR ioctl on a kernel event socket.
 354  ifk_type - The type. Types are specific to each module id.
 355  ifk_data - The data. ifk_ptr may be a 64bit pointer for 64 bit processes.
 356
 357  Copying data between user space and kernel space is done using copyin
 358  and copyout. A process may be running in 64bit mode. In such a case,
 359  the pointer will be a 64bit pointer, not a 32bit pointer. The following
 360  sample is a safe way to copy the data in to the kernel from either a
 361  32bit or 64bit process:
 362
 363  user_addr_t tmp_ptr;
 364  if (IS_64BIT_PROCESS(current_proc())) {
 365         tmp_ptr = CAST_USER_ADDR_T(ifkpi.ifk_data.ifk_ptr64);
 366  }
 367  else {
 368         tmp_ptr = CAST_USER_ADDR_T(ifkpi.ifk_data.ifk_ptr);
 369  }
 370  error = copyin(tmp_ptr, allocated_dst_buffer, size of allocated_dst_buffer);
 371  */
 372
 373 struct ifkpi {
 374         unsigned int    ifk_module_id;
 375         unsigned int    ifk_type;
 376         union {
 377                 void            *ifk_ptr;
 378                 int             ifk_value;
 379 #ifdef KERNEL
 380                 u_int64_t       ifk_ptr64;
 381 #endif /* KERNEL */
 382         } ifk_data;
 383 };
 384
 385 /* Wake capabilities of a interface */
 386 #define IF_WAKE_ON_MAGIC_PACKET         0x01
 387 #ifdef KERNEL_PRIVATE
 388 #define IF_WAKE_VALID_FLAGS IF_WAKE_ON_MAGIC_PACKET
 389 #endif /* KERNEL_PRIVATE */
 390
 391
 392 #pragma pack()
 393
 394 /*
 395  * Interface request structure used for socket
 396  * ioctl's.  All interface ioctl's must have parameter
 397  * definitions which begin with ifr_name.  The
 398  * remainder may be interface specific.
 399  */
 400 struct  ifreq {
 401 #ifndef IFNAMSIZ
 402 #define IFNAMSIZ        IF_NAMESIZE
 403 #endif
 404         char    ifr_name[IFNAMSIZ];             /* if name, e.g. "en0" */
 405         union {
 406                 struct  sockaddr ifru_addr;
 407                 struct  sockaddr ifru_dstaddr;
 408                 struct  sockaddr ifru_broadaddr;
 409                 short   ifru_flags;
 410                 int     ifru_metric;
 411                 int     ifru_mtu;
 412                 int     ifru_phys;
 413                 int     ifru_media;
 414                 int     ifru_intval;
 415                 caddr_t ifru_data;
 416 #ifdef KERNEL_PRIVATE
 417                 u_int64_t ifru_data64;  /* 64-bit ifru_data */
 418 #endif /* KERNEL_PRIVATE */
 419                 struct  ifdevmtu ifru_devmtu;
 420                 struct  ifkpi   ifru_kpi;
 421                 u_int32_t ifru_wake_flags;
 422                 u_int32_t ifru_route_refcnt;
 423 #ifdef PRIVATE
 424                 int     ifru_link_quality_metric;
 425 #endif /* PRIVATE */
 426                 int     ifru_cap[2];
 427 #ifdef PRIVATE
 428                 struct {
 429                         uint32_t        ifo_flags;
 430 #define IFRIFOF_BLOCK_OPPORTUNISTIC     0x00000001
 431                         uint32_t        ifo_inuse;
 432                 } ifru_opportunistic;
 433                 u_int64_t ifru_eflags;
 434                 struct {
 435                         int32_t         ifl_level;
 436                         uint32_t        ifl_flags;
 437 #define IFRLOGF_DLIL                    0x00000001
 438 #define IFRLOGF_FAMILY                  0x00010000
 439 #define IFRLOGF_DRIVER                  0x01000000
 440 #define IFRLOGF_FIRMWARE                0x10000000
 441                         int32_t         ifl_category;
 442 #define IFRLOGCAT_CONNECTIVITY          1
 443 #define IFRLOGCAT_QUALITY               2
 444 #define IFRLOGCAT_PERFORMANCE           3
 445                         int32_t         ifl_subcategory;
 446                 } ifru_log;
 447                 u_int32_t ifru_delegated;
 448                 struct {
 449                         uint32_t        ift_type;
 450                         uint32_t        ift_family;
 451 #define IFRTYPE_FAMILY_ANY              0
 452 #define IFRTYPE_FAMILY_LOOPBACK         1
 453 #define IFRTYPE_FAMILY_ETHERNET         2
 454 #define IFRTYPE_FAMILY_SLIP             3
 455 #define IFRTYPE_FAMILY_TUN              4
 456 #define IFRTYPE_FAMILY_VLAN             5
 457 #define IFRTYPE_FAMILY_PPP              6
 458 #define IFRTYPE_FAMILY_PVC              7
 459 #define IFRTYPE_FAMILY_DISC             8
 460 #define IFRTYPE_FAMILY_MDECAP           9
 461 #define IFRTYPE_FAMILY_GIF              10
 462 #define IFRTYPE_FAMILY_FAITH            11
 463 #define IFRTYPE_FAMILY_STF              12
 464 #define IFRTYPE_FAMILY_FIREWIRE         13
 465 #define IFRTYPE_FAMILY_BOND             14
 466 #define IFRTYPE_FAMILY_CELLULAR         15
 467                         uint32_t        ift_subfamily;
 468 #define IFRTYPE_SUBFAMILY_ANY           0
 469 #define IFRTYPE_SUBFAMILY_USB           1
 470 #define IFRTYPE_SUBFAMILY_BLUETOOTH     2
 471 #define IFRTYPE_SUBFAMILY_WIFI          3
 472 #define IFRTYPE_SUBFAMILY_THUNDERBOLT   4
 473 #define IFRTYPE_SUBFAMILY_RESERVED      5
 474                 } ifru_type;
 475                 u_int32_t ifru_functional_type;
 476 #define IFRTYPE_FUNCTIONAL_UNKNOWN      0
 477 #define IFRTYPE_FUNCTIONAL_LOOPBACK     1
 478 #define IFRTYPE_FUNCTIONAL_WIRED        2
 479 #define IFRTYPE_FUNCTIONAL_WIFI_INFRA   3
 480 #define IFRTYPE_FUNCTIONAL_WIFI_AWDL    4
 481 #define IFRTYPE_FUNCTIONAL_CELLULAR     5
 482 #define IFRTYPE_FUNCTIONAL_LAST         5
 483                 u_int32_t ifru_expensive;
 484                 u_int32_t ifru_2kcl;
 485                 struct {
 486                         u_int32_t qlen;
 487                         u_int32_t timeout;
 488                 } ifru_start_delay;
 489                 struct if_interface_state       ifru_interface_state;
 490                 u_int32_t ifru_probe_connectivity;
 491                 u_int32_t ifru_ecn_mode;
 492 #define IFRTYPE_ECN_DEFAULT             0
 493 #define IFRTYPE_ECN_ENABLE                      1
 494 #define IFRTYPE_ECN_DISABLE                     2
 495 #endif /* PRIVATE */
 496         } ifr_ifru;
 497 #define ifr_addr        ifr_ifru.ifru_addr      /* address */
 498 #define ifr_dstaddr     ifr_ifru.ifru_dstaddr   /* other end of p-to-p link */
 499 #define ifr_broadaddr   ifr_ifru.ifru_broadaddr /* broadcast address */
 500 #ifdef __APPLE__
 501 #define ifr_flags       ifr_ifru.ifru_flags     /* flags */
 502 #else
 503 #define ifr_flags       ifr_ifru.ifru_flags[0]  /* flags */
 504 #define ifr_prevflags   ifr_ifru.ifru_flags[1]  /* flags */
 505 #endif /* __APPLE__ */
 506 #define ifr_metric      ifr_ifru.ifru_metric    /* metric */
 507 #define ifr_mtu         ifr_ifru.ifru_mtu       /* mtu */
 508 #define ifr_phys        ifr_ifru.ifru_phys      /* physical wire */
 509 #define ifr_media       ifr_ifru.ifru_media     /* physical media */
 510 #define ifr_data        ifr_ifru.ifru_data      /* for use by interface */
 511 #define ifr_devmtu      ifr_ifru.ifru_devmtu
 512 #define ifr_intval      ifr_ifru.ifru_intval    /* integer value */
 513 #ifdef KERNEL_PRIVATE
 514 #define ifr_data64      ifr_ifru.ifru_data64    /* 64-bit pointer */
 515 #endif /* KERNEL_PRIVATE */
 516 #define ifr_kpi         ifr_ifru.ifru_kpi
 517 #define ifr_wake_flags  ifr_ifru.ifru_wake_flags /* wake capabilities */
 518 #define ifr_route_refcnt ifr_ifru.ifru_route_refcnt /* route references count */
 519 #ifdef PRIVATE
 520 #define ifr_link_quality_metric ifr_ifru.ifru_link_quality_metric /* LQM */
 521 #endif /* PRIVATE */
 522 #define ifr_reqcap      ifr_ifru.ifru_cap[0]    /* requested capabilities */
 523 #define ifr_curcap      ifr_ifru.ifru_cap[1]    /* current capabilities */
 524 #ifdef PRIVATE
 525 #define ifr_opportunistic       ifr_ifru.ifru_opportunistic
 526 #define ifr_eflags      ifr_ifru.ifru_eflags    /* extended flags  */
 527 #define ifr_log         ifr_ifru.ifru_log       /* logging level/flags */
 528 #define ifr_delegated   ifr_ifru.ifru_delegated /* delegated interface index */
 529 #define ifr_expensive   ifr_ifru.ifru_expensive
 530 #define ifr_type        ifr_ifru.ifru_type      /* interface type */
 531 #define ifr_functional_type     ifr_ifru.ifru_functional_type
 532 #define ifr_2kcl        ifr_ifru.ifru_2kcl
 533 #define ifr_start_delay_qlen    ifr_ifru.ifru_start_delay.qlen
 534 #define ifr_start_delay_timeout ifr_ifru.ifru_start_delay.timeout
 535 #define ifr_interface_state     ifr_ifru.ifru_interface_state
 536 #define ifr_probe_connectivity  ifr_ifru.ifru_probe_connectivity
 537 #define ifr_ecn_mode    ifr_ifru.ifru_ecn_mode
 538 #endif /* PRIVATE */
 539 };
 540
 541 #define _SIZEOF_ADDR_IFREQ(ifr) \
 542         ((ifr).ifr_addr.sa_len > sizeof (struct sockaddr) ? \
 543         (sizeof (struct ifreq) - sizeof (struct sockaddr) + \
 544         (ifr).ifr_addr.sa_len) : sizeof (struct ifreq))
 545
 546 struct ifaliasreq {
 547         char    ifra_name[IFNAMSIZ];            /* if name, e.g. "en0" */
 548         struct  sockaddr ifra_addr;
 549         struct  sockaddr ifra_broadaddr;
 550         struct  sockaddr ifra_mask;
 551 };
 552
 553 struct rslvmulti_req {
 554         struct sockaddr *sa;
 555         struct sockaddr **llsa;
 556 };
 557
 558 #if !defined(KERNEL) || defined(KERNEL_PRIVATE)
 559 #pragma pack(4)
 560
 561 struct ifmediareq {
 562         char    ifm_name[IFNAMSIZ];     /* if name, e.g. "en0" */
 563         int     ifm_current;            /* current media options */
 564         int     ifm_mask;               /* don't care mask */
 565         int     ifm_status;             /* media status */
 566         int     ifm_active;             /* active options */
 567         int     ifm_count;              /* # entries in ifm_ulist array */
 568         int     *ifm_ulist;             /* media words */
 569 };
 570
 571 #pragma pack()
 572 #endif /* !KERNEL || KERNEL_PRIVATE */
 573
 574 #ifdef KERNEL_PRIVATE
 575 #pragma pack(4)
 576 struct ifmediareq64 {
 577         char    ifm_name[IFNAMSIZ];     /* if name, e.g. "en0" */
 578         int     ifm_current;            /* current media options */
 579         int     ifm_mask;               /* don't care mask */
 580         int     ifm_status;             /* media status */
 581         int     ifm_active;             /* active options */
 582         int     ifm_count;              /* # entries in ifm_ulist array */
 583         user64_addr_t ifmu_ulist __attribute__((aligned(8)));
 584 };
 585
 586 struct ifmediareq32 {
 587         char    ifm_name[IFNAMSIZ];     /* if name, e.g. "en0" */
 588         int     ifm_current;            /* current media options */
 589         int     ifm_mask;               /* don't care mask */
 590         int     ifm_status;             /* media status */
 591         int     ifm_active;             /* active options */
 592         int     ifm_count;              /* # entries in ifm_ulist array */
 593         user32_addr_t ifmu_ulist;       /* 32-bit pointer */
 594 };
 595 #pragma pack()
 596 #endif /* KERNEL_PRIVATE */
 597
 598
 599 #pragma pack(4)
 600 struct  ifdrv {
 601         char            ifd_name[IFNAMSIZ];     /* if name, e.g. "en0" */
 602         unsigned long   ifd_cmd;
 603         size_t          ifd_len;                /* length of ifd_data buffer */
 604         void            *ifd_data;
 605 };
 606 #pragma pack()
 607
 608 #ifdef KERNEL_PRIVATE
 609 #pragma pack(4)
 610 struct ifdrv32 {
 611         char            ifd_name[IFNAMSIZ];     /* if name, e.g. "en0" */
 612         u_int32_t       ifd_cmd;
 613         u_int32_t       ifd_len;
 614         user32_addr_t   ifd_data;
 615 };
 616
 617 struct  ifdrv64 {
 618         char            ifd_name[IFNAMSIZ];     /* if name, e.g. "en0" */
 619         u_int64_t       ifd_cmd;
 620         u_int64_t       ifd_len;
 621         user64_addr_t   ifd_data;
 622 };
 623 #pragma pack()
 624 #endif /* KERNEL_PRIVATE */
 625
 626 /*
 627  * Structure used to retrieve aux status data from interfaces.
 628  * Kernel suppliers to this interface should respect the formatting
 629  * needed by ifconfig(8): each line starts with a TAB and ends with
 630  * a newline.
 631  */
 632
 633 #define IFSTATMAX       800             /* 10 lines of text */
 634 struct ifstat {
 635         char    ifs_name[IFNAMSIZ];     /* if name, e.g. "en0" */
 636         char    ascii[IFSTATMAX + 1];
 637 };
 638
 639 #if !defined(KERNEL) || defined(KERNEL_PRIVATE)
 640 /*
 641  * Structure used in SIOCGIFCONF request.
 642  * Used to retrieve interface configuration
 643  * for machine (useful for programs which
 644  * must know all networks accessible).
 645  */
 646 #pragma pack(4)
 647 struct  ifconf {
 648         int     ifc_len;                /* size of associated buffer */
 649         union {
 650                 caddr_t ifcu_buf;
 651                 struct  ifreq *ifcu_req;
 652         } ifc_ifcu;
 653 };
 654 #pragma pack()
 655 #define ifc_buf ifc_ifcu.ifcu_buf       /* buffer address */
 656 #define ifc_req ifc_ifcu.ifcu_req       /* array of structures returned */
 657 #endif /* !KERNEL || KERNEL_PRIVATE */
 658
 659 #if defined(KERNEL_PRIVATE)
 660 #pragma pack(4)
 661 struct ifconf32 {
 662         int     ifc_len;                /* size of associated buffer */
 663         struct {
 664                 user32_addr_t ifcu_req;
 665         } ifc_ifcu;
 666 };
 667
 668 struct ifconf64 {
 669         int     ifc_len;                /* size of associated buffer */
 670         struct {
 671                 user64_addr_t ifcu_req  __attribute__((aligned(8)));
 672         } ifc_ifcu;
 673 };
 674 #pragma pack()
 675 #endif /* KERNEL_PRIVATE */
 676
 677 /*
 678  * DLIL KEV_DL_PROTO_ATTACHED/DETACHED structure
 679  */
 680 struct kev_dl_proto_data {
 681         struct net_event_data           link_data;
 682         u_int32_t                       proto_family;
 683         u_int32_t                       proto_remaining_count;
 684 };
 685
 686 #ifdef PRIVATE
 687 /*
 688  * Link Quality Metrics
 689  *
 690  *      IFNET_LQM_THRESH_OFF      Metric is not available; device is off.
 691  *      IFNET_LQM_THRESH_UNKNOWN  Metric is not (yet) known.
 692  *      IFNET_LQM_THRESH_BAD      Link quality is considered bad by driver.
 693  *      IFNET_LQM_THRESH_POOR     Link quality is considered poor by driver.
 694  *      IFNET_LQM_THRESH_GOOD     Link quality is considered good by driver.
 695  */
 696 enum {
 697         IFNET_LQM_THRESH_OFF            = (-2),
 698         IFNET_LQM_THRESH_UNKNOWN        = (-1),
 699         IFNET_LQM_THRESH_BAD            = 10,
 700         IFNET_LQM_THRESH_POOR           = 50,
 701         IFNET_LQM_THRESH_GOOD           = 100
 702 };
 703 #ifdef XNU_KERNEL_PRIVATE
 704 #define IFNET_LQM_MIN   IFNET_LQM_THRESH_OFF
 705 #define IFNET_LQM_MAX   IFNET_LQM_THRESH_GOOD
 706 #endif /* XNU_KERNEL_PRIVATE */
 707
 708 /*
 709  * DLIL KEV_DL_LINK_QUALITY_METRIC_CHANGED structure
 710  */
 711 struct kev_dl_link_quality_metric_data {
 712         struct net_event_data   link_data;
 713         int                     link_quality_metric;
 714 };
 715
 716 #define IF_DESCSIZE     128
 717
 718 /*
 719  * Structure for SIOC[SG]IFDESC
 720  */
 721 struct if_descreq {
 722         char                    ifdr_name[IFNAMSIZ];    /* interface name */
 723         u_int32_t               ifdr_len;               /* up to IF_DESCSIZE */
 724         u_int8_t                ifdr_desc[IF_DESCSIZE]; /* opaque data */
 725 };
 726
 727 /*
 728  *      Output packet scheduling models
 729  *
 730  *      IFNET_SCHED_MODEL_NORMAL The default output packet scheduling model
 731  *              where the driver or media does not require strict scheduling
 732  *              strategy, and that the networking stack is free to choose the
 733  *              most appropriate scheduling and queueing algorithm, including
 734  *              shaping traffics.
 735  *      IFNET_SCHED_MODEL_DRIVER_MANAGED The alternative output packet
 736  *              scheduling model where the driver or media requires strict
 737  *              scheduling strategy (e.g. 802.11 WMM), and that the networking
 738  *              stack is only responsible for creating multiple queues for the
 739  *              corresponding service classes.
 740  */
 741 enum {
 742         IFNET_SCHED_MODEL_NORMAL                = 0,
 743         IFNET_SCHED_MODEL_DRIVER_MANAGED        = 1,
 744 #ifdef XNU_KERNEL_PRIVATE
 745         IFNET_SCHED_MODEL_MAX                   = 2,
 746 #endif /* XNU_KERNEL_PRIVATE */
 747 };
 748
 749 /*
 750  * Values for iflpr_flags
 751  */
 752 #define IFLPRF_ALTQ             0x1     /* configured via PF/ALTQ */
 753 #define IFLPRF_DRVMANAGED       0x2     /* output queue scheduled by drv */
 754
 755 /*
 756  * Structure for SIOCGIFLINKPARAMS
 757  */
 758 struct if_linkparamsreq {
 759         char            iflpr_name[IFNAMSIZ];   /* interface name */
 760         u_int32_t       iflpr_flags;
 761         u_int32_t       iflpr_output_sched;
 762         u_int64_t       iflpr_output_tbr_rate;
 763         u_int32_t       iflpr_output_tbr_percent;
 764         struct if_bandwidths iflpr_output_bw;
 765         struct if_bandwidths iflpr_input_bw;
 766         struct if_latencies iflpr_output_lt;
 767         struct if_latencies iflpr_input_lt;
 768 };
 769
 770 /*
 771  * Structure for SIOCGIFQUEUESTATS
 772  */
 773 struct if_qstatsreq {
 774         char            ifqr_name[IFNAMSIZ];    /* interface name */
 775         u_int32_t       ifqr_slot;
 776         void            *ifqr_buf               __attribute__((aligned(8)));
 777         int              ifqr_len               __attribute__((aligned(8)));
 778 };
 779
 780 /*
 781  * Node Proximity Metrics
 782  */
 783 enum {
 784         IFNET_NPM_THRESH_UNKNOWN        = (-1),
 785         IFNET_NPM_THRESH_NEAR           = 30,
 786         IFNET_NPM_THRESH_GENERAL        = 70,
 787         IFNET_NPM_THRESH_FAR            = 100,
 788 };
 789
 790 /*
 791  *      Received Signal Strength Indication [special values]
 792  *
 793  *      IFNET_RSSI_UNKNOWN      Metric is not (yet) known.
 794  */
 795 enum {
 796         IFNET_RSSI_UNKNOWN      = ((-2147483647)-1),    /* INT32_MIN */
 797 };
 798
 799
 800 /*
 801  * DLIL KEV_DL_NODE_PRESENCE/KEV_DL_NODE_ABSENCE event structures
 802  */
 803 struct kev_dl_node_presence {
 804         struct net_event_data   link_data;
 805         struct sockaddr_in6     sin6_node_address;
 806         struct sockaddr_dl      sdl_node_address;
 807         int32_t                 rssi;
 808         int                     link_quality_metric;
 809         int                     node_proximity_metric;
 810         u_int8_t                node_service_info[48];
 811 };
 812
 813 struct kev_dl_node_absence {
 814         struct net_event_data   link_data;
 815         struct sockaddr_in6     sin6_node_address;
 816         struct sockaddr_dl      sdl_node_address;
 817 };
 818
 819 /*
 820  * Structure for SIOC[SG]IFTHROTTLE
 821  */
 822 struct if_throttlereq {
 823         char            ifthr_name[IFNAMSIZ];   /* interface name */
 824         u_int32_t       ifthr_level;
 825 };
 826
 827 /*
 828  *      Interface throttling levels
 829  *
 830  *      IFNET_THROTTLE_OFF The default throttling level (no throttling.)
 831  *              All service class queues operate normally according to the
 832  *              standard packet scheduler configuration.
 833  *      IFNET_THROTTLE_OPPORTUNISTIC One or more service class queues that
 834  *              are responsible for managing "opportunistic" traffics are
 835  *              suspended.  Packets enqueued on those queues will be dropped
 836  *              and a flow advisory error will be generated to the data
 837  *              source.  Existing packets in the queues will stay enqueued
 838  *              until the interface is no longer throttled, or until they
 839  *              are explicitly flushed.
 840  */
 841 enum {
 842         IFNET_THROTTLE_OFF                      = 0,
 843         IFNET_THROTTLE_OPPORTUNISTIC            = 1,
 844 #ifdef XNU_KERNEL_PRIVATE
 845         IFNET_THROTTLE_MAX                      = 2,
 846 #endif /* XNU_KERNEL_PRIVATE */
 847 };
 848
 849 /*
 850  * Structure for SIOC[A/D]IFAGENTID
 851  */
 852 struct if_agentidreq {
 853         char            ifar_name[IFNAMSIZ];    /* interface name */
 854         uuid_t          ifar_uuid;              /* agent UUID to add or delete */
 855 };
 856
 857 /*
 858  * Structure for SIOCGIFAGENTIDS
 859  */
 860 struct if_agentidsreq {
 861         char            ifar_name[IFNAMSIZ];    /* interface name */
 862         u_int32_t       ifar_count;             /* number of agent UUIDs */
 863         uuid_t          *ifar_uuids;            /* array of agent UUIDs */
 864 };
 865
 866 #ifdef BSD_KERNEL_PRIVATE
 867 struct if_agentidsreq32 {
 868         char            ifar_name[IFNAMSIZ];
 869         u_int32_t       ifar_count;
 870         user32_addr_t ifar_uuids;
 871 };
 872 struct if_agentidsreq64 {
 873         char            ifar_name[IFNAMSIZ];
 874         u_int32_t       ifar_count;
 875         user64_addr_t ifar_uuids __attribute__((aligned(8)));
 876 };
 877 #endif /* BSD_KERNEL_PRIVATE */
 878
 879 #define DLIL_MODIDLEN   20      /* same as IFNET_MODIDLEN */
 880 #define DLIL_MODARGLEN  12      /* same as IFNET_MODARGLEN */
 881
 882 /*
 883  * DLIL KEV_DL_ISSUES event structure
 884  */
 885 struct kev_dl_issues {
 886         struct net_event_data   link_data;
 887         u_int8_t                modid[DLIL_MODIDLEN];
 888         u_int64_t               timestamp;
 889         u_int8_t                info[DLIL_MODARGLEN];
 890 };
 891
 892 /*
 893  * DLIL KEV_DL_RRC_STATE_CHANGED structure
 894  */
 895 struct kev_dl_rrc_state {
 896         struct net_event_data   link_data;
 897         u_int32_t               rrc_state;
 898 };
 899
 900 /*
 901  * Length of network signature/fingerprint blob.
 902  */
 903 #define IFNET_SIGNATURELEN      20
 904
 905 /*
 906  * Structure for SIOC[S/G]IFNETSIGNATURE
 907  */
 908 struct if_nsreq {
 909         char            ifnsr_name[IFNAMSIZ];
 910         u_int8_t        ifnsr_family;   /* address family */
 911         u_int8_t        ifnsr_len;      /* data length */
 912         u_int16_t       ifnsr_flags;    /* for future */
 913         u_int8_t        ifnsr_data[IFNET_SIGNATURELEN];
 914 };
 915 #endif /* PRIVATE */
 916
 917 #ifdef KERNEL
 918 #ifdef MALLOC_DECLARE
 919 MALLOC_DECLARE(M_IFADDR);
 920 MALLOC_DECLARE(M_IFMADDR);
 921 #endif
 922 #endif
 923 #endif /* (_POSIX_C_SOURCE && !_DARWIN_C_SOURCE) */
 924
 925 #ifndef KERNEL
 926 struct if_nameindex {
 927         unsigned int     if_index;      /* 1, 2, ... */
 928         char            *if_name;       /* null terminated name: "le0", ... */
 929 };
 930
 931 __BEGIN_DECLS
 932 unsigned int     if_nametoindex(const char *);
 933 char            *if_indextoname(unsigned int, char *);
 934 struct           if_nameindex *if_nameindex(void);
 935 void             if_freenameindex(struct if_nameindex *);
 936 __END_DECLS
 937 #endif
 938
 939 #ifdef KERNEL
 940 #include <net/kpi_interface.h>
 941 #endif
 942
 943 #endif /* !_NET_IF_H_ */