xref: /xnu-8796.141.3/bsd/net/if_private.h (revision 1b191cb58250d0705d8a51287127505aa4bc0789) !
1 /*
2  * Copyright (c) 2000-2021 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_PRIVATE_H_
64 #define _NET_IF_PRIVATE_H_
65 
66 #include <mach/vm_types.h>
67 #include <net/if.h>
68 #include <net/if_dl.h>
69 #include <net/if_var.h>
70 #include <net/if_var_private.h>
71 #include <netinet/in.h>
72 #include <sys/types.h>
73 #include <uuid/uuid.h>
74 
75 #if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)
76 #ifndef DRIVERKIT
77 #ifdef KERNEL_PRIVATE
78 #define IF_MAXUNIT      0x7fff  /* historical value */
79 
80 struct if_clonereq64 {
81 	int     ifcr_total;                 /* total cloners (out) */
82 	int     ifcr_count;                 /* room for this many in user buffer */
83 	user64_addr_t ifcru_buffer      __attribute__((aligned(8)));
84 };
85 
86 struct if_clonereq32 {
87 	int     ifcr_total;                 /* total cloners (out) */
88 	int     ifcr_count;                 /* room for this many in user buffer */
89 	user32_addr_t ifcru_buffer;
90 };
91 #endif /* KERNEL_PRIVATE */
92 
93 /* extended flags definitions:  (all bits reserved for internal/future use) */
94 #define IFEF_AUTOCONFIGURING    0x00000001      /* allow BOOTP/DHCP replies to enter */
95 #define IFEF_ENQUEUE_MULTI      0x00000002      /* enqueue multiple packets at once */
96 #define IFEF_DELAY_START        0x00000004      /* delay start callback */
97 #define IFEF_PROBE_CONNECTIVITY 0x00000008      /* Probe connections going over this interface */
98 #define IFEF_ADV_REPORT         0x00000010      /* Supports interface advisory report */
99 #define IFEF_IPV6_DISABLED      0x00000020      /* coupled to ND6_IFF_IFDISABLED */
100 #define IFEF_ACCEPT_RTADV       0x00000040      /* accepts IPv6 RA on the interface */
101 #define IFEF_TXSTART            0x00000080      /* has start callback */
102 #define IFEF_RXPOLL             0x00000100      /* supports opportunistic input poll */
103 #define IFEF_VLAN               0x00000200      /* interface has one or more vlans */
104 #define IFEF_BOND               0x00000400      /* interface is part of bond */
105 #define IFEF_ARPLL              0x00000800      /* ARP for IPv4LL addresses */
106 #define IFEF_CLAT46             0x00001000      /* CLAT46 RFC 6877 */
107 
108 #define IS_INTF_CLAT46(ifp)     ((ifp) != NULL && ((ifp)->if_eflags & IFEF_CLAT46))
109 #define INTF_ADJUST_MTU_FOR_CLAT46(intf)                \
110     (IS_INTF_CLAT46((intf)) ||                          \
111      IS_INTF_CLAT46((intf)->if_delegated.ifp))          \
112 
113 /*
114  * XXX IFEF_NOAUTOIPV6LL is deprecated and should be done away with.
115  * Configd pretty much manages the interface configuration.
116  * Rather than looking at the flag we check if a specific LLA
117  * has to be configured or the IID has to be generated by kernel.
118  */
119 #define IFEF_NOAUTOIPV6LL       0x00002000      /* Need explicit IPv6 LL address */
120 #define IFEF_EXPENSIVE          0x00004000      /* Data access has a cost */
121 #define IFEF_IPV4_ROUTER        0x00008000      /* interior when in IPv4 router mode */
122 #define IFEF_LOCALNET_PRIVATE   0x00020000      /* local private network */
123 #define IFEF_SERVICE_TRIGGERED  IFEF_LOCALNET_PRIVATE
124 #define IFEF_IPV6_ND6ALT        0x00040000      /* alternative. KPI for ND6 */
125 #define IFEF_RESTRICTED_RECV    0x00080000      /* interface restricts inbound pkts */
126 #define IFEF_AWDL               0x00100000      /* Apple Wireless Direct Link */
127 #define IFEF_NOACKPRI           0x00200000      /* No TCP ACK prioritization */
128 #define IFEF_AWDL_RESTRICTED    0x00400000      /* Restricted AWDL mode */
129 #define IFEF_2KCL               0x00800000      /* prefers 2K cluster (socket based tunnel) */
130 #define IFEF_ECN_ENABLE         0x01000000      /* use ECN for TCP connections on the interface */
131 #define IFEF_ECN_DISABLE        0x02000000      /* do not use ECN for TCP connections on the interface */
132 #define IFEF_SKYWALK_NATIVE     0x04000000      /* Native Skywalk support */
133 #define IFEF_3CA                0x08000000      /* Capable of 3CA */
134 #define IFEF_SENDLIST           0x10000000      /* Supports tx packet lists */
135 #define IFEF_DIRECTLINK         0x20000000      /* point-to-point topology */
136 #define IFEF_QOSMARKING_ENABLED 0x40000000      /* QoS marking is enabled */
137 #define IFEF_UPDOWNCHANGE       0x80000000      /* up/down state is changing */
138 
139 #ifdef XNU_KERNEL_PRIVATE
140 /*
141  * Extra flags
142  */
143 #define IFXF_WAKE_ON_MAGIC_PACKET       0x00000001 /* wake on magic packet */
144 #define IFXF_TIMESTAMP_ENABLED          0x00000002 /* time stamping enabled */
145 #define IFXF_NX_NOAUTO                  0x00000004 /* no auto config nexus */
146 #define IFXF_LEGACY                     0x00000008 /* legacy (non-netif) mode */
147 #define IFXF_LOW_INTERNET_UL            0x00000010 /* Uplink Low Internet is confirmed */
148 #define IFXF_LOW_INTERNET_DL            0x00000020 /* Downlink Low Internet is confirmed */
149 #define IFXF_ALLOC_KPI                  0x00000040 /* Allocated via the ifnet_alloc KPI */
150 #define IFXF_LOW_POWER                  0x00000080 /* Low Power Mode */
151 #define IFXF_MPK_LOG                    0x00000100 /* Multi-layer Packet Logging */
152 #define IFXF_CONSTRAINED                0x00000200 /* Constrained - Save Data Mode */
153 #define IFXF_LOW_LATENCY                0x00000400 /* Low latency interface */
154 #define IFXF_MARK_WAKE_PKT              0x00000800 /* Mark next input packet as wake packet */
155 #define IFXF_FAST_PKT_DELIVERY          0x00001000 /* Fast Packet Delivery */
156 #define IFXF_NO_TRAFFIC_SHAPING         0x00002000 /* Skip dummynet and netem traffic shaping */
157 #define IFXF_MANAGEMENT                 0x00004000 /* Management interface */
158 
159 /*
160  * Current requirements for an AWDL interface.  Setting/clearing IFEF_AWDL
161  * will also trigger the setting/clearing of the rest of the flags.  Once
162  * IFEF_AWDL is set, the rest of flags cannot be cleared, by definition.
163  */
164 #define IFEF_AWDL_MASK \
165     (IFEF_LOCALNET_PRIVATE | IFEF_IPV6_ND6ALT | IFEF_RESTRICTED_RECV | \
166     IFEF_AWDL)
167 #endif /* XNU_KERNEL_PRIVATE */
168 
169 #ifdef KERNEL_PRIVATE
170 /*
171  * !!! NOTE !!!
172  *
173  * if_idle_flags definitions: (all bits are reserved for internal/future
174  * use). Setting these flags MUST be done via the ifnet_set_idle_flags()
175  * KPI due to the associated reference counting.  Clearing them may be done by
176  * calling the KPI, otherwise implicitly at interface detach time.  Setting
177  * the if_idle_flags field to a non-zero value will cause the networking
178  * stack to aggressively purge expired objects (routes, etc.)
179  */
180 #define IFRF_IDLE_NOTIFY        0x1     /* Generate notifications on idle */
181 
182 /* flags set internally only: */
183 #define IFF_CANTCHANGE \
184     (IFF_BROADCAST|IFF_POINTOPOINT|IFF_RUNNING|IFF_OACTIVE|\
185 	IFF_SIMPLEX|IFF_MULTICAST|IFF_ALLMULTI)
186 
187 #define IF_WAKE_VALID_FLAGS IF_WAKE_ON_MAGIC_PACKET
188 #endif /* KERNEL_PRIVATE */
189 
190 #ifdef IFREQ_OPAQUE
191 /*
192  * This is the private version of the ifreq structure, the
193  * public version lives in if.h. If you make any changes
194  * here, you probably also need to make them in if.h!
195  */
196 struct  ifreq {
197 	char    ifr_name[IFNAMSIZ];         /* if name, e.g. "en0" */
198 	union {
199 		struct  sockaddr ifru_addr;
200 		struct  sockaddr ifru_dstaddr;
201 		struct  sockaddr ifru_broadaddr;
202 		short   ifru_flags;
203 		int     ifru_metric;
204 		int     ifru_mtu;
205 		int     ifru_phys;
206 		int     ifru_media;
207 		int     ifru_intval;
208 		caddr_t ifru_data;
209 #ifdef KERNEL_PRIVATE
210 		u_int64_t ifru_data64; /* 64-bit ifru_data */
211 #endif /* KERNEL_PRIVATE */
212 		struct  ifdevmtu ifru_devmtu;
213 		struct  ifkpi   ifru_kpi;
214 		u_int32_t ifru_wake_flags;
215 		u_int32_t ifru_route_refcnt;
216 		int     ifru_link_quality_metric;
217 		int     ifru_cap[2];
218 		struct {
219 			uint32_t        ifo_flags;
220 #define IFRIFOF_BLOCK_OPPORTUNISTIC     0x00000001
221 			uint32_t        ifo_inuse;
222 		} ifru_opportunistic;
223 		u_int64_t ifru_eflags;
224 		u_int64_t ifru_xflags;
225 		struct {
226 			int32_t         ifl_level;
227 			uint32_t        ifl_flags;
228 #define IFRLOGF_DLIL                    0x00000001
229 #define IFRLOGF_FAMILY                  0x00010000
230 #define IFRLOGF_DRIVER                  0x01000000
231 #define IFRLOGF_FIRMWARE                0x10000000
232 			int32_t         ifl_category;
233 #define IFRLOGCAT_CONNECTIVITY          1
234 #define IFRLOGCAT_QUALITY               2
235 #define IFRLOGCAT_PERFORMANCE           3
236 			int32_t         ifl_subcategory;
237 		} ifru_log;
238 		u_int32_t ifru_delegated;
239 		struct {
240 			uint32_t        ift_type;
241 			uint32_t        ift_family;
242 #define IFRTYPE_FAMILY_ANY              0
243 #define IFRTYPE_FAMILY_LOOPBACK         1
244 #define IFRTYPE_FAMILY_ETHERNET         2
245 #define IFRTYPE_FAMILY_SLIP             3
246 #define IFRTYPE_FAMILY_TUN              4
247 #define IFRTYPE_FAMILY_VLAN             5
248 #define IFRTYPE_FAMILY_PPP              6
249 #define IFRTYPE_FAMILY_PVC              7
250 #define IFRTYPE_FAMILY_DISC             8
251 #define IFRTYPE_FAMILY_MDECAP           9
252 #define IFRTYPE_FAMILY_GIF              10
253 #define IFRTYPE_FAMILY_FAITH            11
254 #define IFRTYPE_FAMILY_STF              12
255 #define IFRTYPE_FAMILY_FIREWIRE         13
256 #define IFRTYPE_FAMILY_BOND             14
257 #define IFRTYPE_FAMILY_CELLULAR         15
258 #define IFRTYPE_FAMILY_UNUSED_16        16    /* Un-used */
259 #define IFRTYPE_FAMILY_UTUN             17
260 #define IFRTYPE_FAMILY_IPSEC            18
261 			uint32_t        ift_subfamily;
262 #define IFRTYPE_SUBFAMILY_ANY           0
263 #define IFRTYPE_SUBFAMILY_USB           1
264 #define IFRTYPE_SUBFAMILY_BLUETOOTH     2
265 #define IFRTYPE_SUBFAMILY_WIFI          3
266 #define IFRTYPE_SUBFAMILY_THUNDERBOLT   4
267 #define IFRTYPE_SUBFAMILY_RESERVED      5
268 #define IFRTYPE_SUBFAMILY_INTCOPROC     6
269 #define IFRTYPE_SUBFAMILY_QUICKRELAY    7
270 #define IFRTYPE_SUBFAMILY_DEFAULT       8
271 #define IFRTYPE_SUBFAMILY_VMNET         9
272 #define IFRTYPE_SUBFAMILY_SIMCELL       10
273 #define IFRTYPE_SUBFAMILY_REDIRECT      11
274 #define IFRTYPE_SUBFAMILY_MANAGEMENT    12
275 		} ifru_type;
276 		u_int32_t ifru_functional_type;
277 #define IFRTYPE_FUNCTIONAL_UNKNOWN              0
278 #define IFRTYPE_FUNCTIONAL_LOOPBACK             1
279 #define IFRTYPE_FUNCTIONAL_WIRED                2
280 #define IFRTYPE_FUNCTIONAL_WIFI_INFRA           3
281 #define IFRTYPE_FUNCTIONAL_WIFI_AWDL            4
282 #define IFRTYPE_FUNCTIONAL_CELLULAR             5
283 #define IFRTYPE_FUNCTIONAL_INTCOPROC            6
284 #define IFRTYPE_FUNCTIONAL_COMPANIONLINK        7
285 #define IFRTYPE_FUNCTIONAL_MANAGEMENT           8
286 #define IFRTYPE_FUNCTIONAL_LAST                 8
287 		u_int32_t ifru_expensive;
288 		u_int32_t ifru_constrained;
289 		u_int32_t ifru_2kcl;
290 		struct {
291 			u_int32_t qlen;
292 			u_int32_t timeout;
293 		} ifru_start_delay;
294 		struct if_interface_state       ifru_interface_state;
295 		u_int32_t ifru_probe_connectivity;
296 		u_int32_t ifru_ecn_mode;
297 #define IFRTYPE_ECN_DEFAULT             0
298 #define IFRTYPE_ECN_ENABLE              1
299 #define IFRTYPE_ECN_DISABLE             2
300 		u_int32_t ifru_qosmarking_mode;
301 #define IFRTYPE_QOSMARKING_MODE_NONE            0
302 #define IFRTYPE_QOSMARKING_FASTLANE     1       /* supported: socket/channel */
303 #define IFRTYPE_QOSMARKING_RFC4594      2       /* supported: channel only */
304 #define IFRTYPE_QOSMARKING_CUSTOM       3       /* supported: socket/channel */
305 		u_int32_t ifru_qosmarking_enabled;
306 		u_int32_t ifru_disable_output;
307 		u_int32_t ifru_low_internet;
308 #define IFRTYPE_LOW_INTERNET_DISABLE_UL_DL      0x0000
309 #define IFRTYPE_LOW_INTERNET_ENABLE_UL          0x0001
310 #define IFRTYPE_LOW_INTERNET_ENABLE_DL          0x0002
311 		int ifru_low_power_mode;
312 		u_int32_t ifru_tcp_kao_max;
313 		int ifru_mpk_log; /* Multi Layer Packet Log */
314 		u_int32_t ifru_noack_prio;
315 		struct {
316 			u_int8_t up_bucket;
317 			u_int8_t down_bucket;
318 		} ifru_estimated_throughput;
319 		struct {
320 			u_int8_t technology;
321 			u_int8_t channel;
322 		} ifru_radio_details;
323 	} ifr_ifru;
324 #define ifr_addr        ifr_ifru.ifru_addr      /* address */
325 #define ifr_dstaddr     ifr_ifru.ifru_dstaddr   /* other end of p-to-p link */
326 #define ifr_broadaddr   ifr_ifru.ifru_broadaddr /* broadcast address */
327 #ifdef __APPLE__
328 #define ifr_flags       ifr_ifru.ifru_flags     /* flags */
329 #else
330 #define ifr_flags       ifr_ifru.ifru_flags[0]  /* flags */
331 #define ifr_prevflags   ifr_ifru.ifru_flags[1]  /* flags */
332 #endif /* __APPLE__ */
333 #define ifr_metric      ifr_ifru.ifru_metric    /* metric */
334 #define ifr_mtu         ifr_ifru.ifru_mtu       /* mtu */
335 #define ifr_phys        ifr_ifru.ifru_phys      /* physical wire */
336 #define ifr_media       ifr_ifru.ifru_media     /* physical media */
337 #define ifr_data        ifr_ifru.ifru_data      /* for use by interface */
338 #define ifr_devmtu      ifr_ifru.ifru_devmtu
339 #define ifr_intval      ifr_ifru.ifru_intval    /* integer value */
340 #ifdef KERNEL_PRIVATE
341 #define ifr_data64      ifr_ifru.ifru_data64    /* 64-bit pointer */
342 #endif /* KERNEL_PRIVATE */
343 #define ifr_kpi         ifr_ifru.ifru_kpi
344 #define ifr_wake_flags  ifr_ifru.ifru_wake_flags /* wake capabilities */
345 #define ifr_route_refcnt ifr_ifru.ifru_route_refcnt /* route references count */
346 #define ifr_link_quality_metric ifr_ifru.ifru_link_quality_metric /* LQM */
347 #define ifr_reqcap      ifr_ifru.ifru_cap[0]    /* requested capabilities */
348 #define ifr_curcap      ifr_ifru.ifru_cap[1]    /* current capabilities */
349 #define ifr_opportunistic       ifr_ifru.ifru_opportunistic
350 #define ifr_eflags      ifr_ifru.ifru_eflags    /* extended flags  */
351 #define ifr_xflags      ifr_ifru.ifru_xflags    /* extra flags  */
352 #define ifr_log         ifr_ifru.ifru_log       /* logging level/flags */
353 #define ifr_delegated   ifr_ifru.ifru_delegated /* delegated interface index */
354 #define ifr_expensive   ifr_ifru.ifru_expensive
355 #define ifr_constrained   ifr_ifru.ifru_constrained
356 #define ifr_type        ifr_ifru.ifru_type      /* interface type */
357 #define ifr_functional_type     ifr_ifru.ifru_functional_type
358 #define ifr_2kcl        ifr_ifru.ifru_2kcl
359 #define ifr_start_delay_qlen    ifr_ifru.ifru_start_delay.qlen
360 #define ifr_start_delay_timeout ifr_ifru.ifru_start_delay.timeout
361 #define ifr_interface_state     ifr_ifru.ifru_interface_state
362 #define ifr_probe_connectivity  ifr_ifru.ifru_probe_connectivity
363 #define ifr_ecn_mode    ifr_ifru.ifru_ecn_mode
364 #define ifr_qosmarking_mode     ifr_ifru.ifru_qosmarking_mode
365 #define ifr_fastlane_capable    ifr_qosmarking_mode
366 #define ifr_qosmarking_enabled  ifr_ifru.ifru_qosmarking_enabled
367 #define ifr_fastlane_enabled    ifr_qosmarking_enabled
368 #define ifr_disable_output      ifr_ifru.ifru_disable_output
369 #define ifr_low_internet        ifr_ifru.ifru_low_internet
370 #define ifr_low_power_mode      ifr_ifru.ifru_low_power_mode
371 #define ifr_tcp_kao_max         ifr_ifru.ifru_tcp_kao_max
372 #define ifr_mpk_log             ifr_ifru.ifru_mpk_log
373 #define ifr_noack_prio          ifr_ifru.ifru_noack_prio
374 #define ifr_estimated_throughput  ifr_ifru.ifru_estimated_throughput
375 #define ifr_radio_details       ifr_ifru.ifru_radio_details
376 };
377 
378 #define _SIZEOF_ADDR_IFREQ(ifr) \
379     ((ifr).ifr_addr.sa_len > sizeof (struct sockaddr) ? \
380     (sizeof (struct ifreq) - sizeof (struct sockaddr) + \
381     (ifr).ifr_addr.sa_len) : sizeof (struct ifreq))
382 #endif /* IFREQ_OPAQUE */
383 
384 #ifdef KERNEL_PRIVATE
385 #pragma pack(4)
386 struct ifmediareq64 {
387 	char    ifm_name[IFNAMSIZ];     /* if name, e.g. "en0" */
388 	int     ifm_current;            /* current media options */
389 	int     ifm_mask;               /* don't care mask */
390 	int     ifm_status;             /* media status */
391 	int     ifm_active;             /* active options */
392 	int     ifm_count;              /* # entries in ifm_ulist array */
393 	user64_addr_t ifmu_ulist __attribute__((aligned(8)));
394 };
395 
396 struct ifmediareq32 {
397 	char    ifm_name[IFNAMSIZ];     /* if name, e.g. "en0" */
398 	int     ifm_current;            /* current media options */
399 	int     ifm_mask;               /* don't care mask */
400 	int     ifm_status;             /* media status */
401 	int     ifm_active;             /* active options */
402 	int     ifm_count;              /* # entries in ifm_ulist array */
403 	user32_addr_t ifmu_ulist;       /* 32-bit pointer */
404 };
405 
406 struct ifdrv32 {
407 	char            ifd_name[IFNAMSIZ];     /* if name, e.g. "en0" */
408 	u_int32_t       ifd_cmd;
409 	u_int32_t       ifd_len;
410 	user32_addr_t   ifd_data;
411 };
412 
413 struct  ifdrv64 {
414 	char            ifd_name[IFNAMSIZ];     /* if name, e.g. "en0" */
415 	u_int64_t       ifd_cmd;
416 	u_int64_t       ifd_len;
417 	user64_addr_t   ifd_data;
418 };
419 
420 struct ifconf32 {
421 	int     ifc_len;                /* size of associated buffer */
422 	struct {
423 		user32_addr_t ifcu_req;
424 	} ifc_ifcu;
425 };
426 
427 struct ifconf64 {
428 	int     ifc_len;                /* size of associated buffer */
429 	struct {
430 		user64_addr_t ifcu_req  __attribute__((aligned(8)));
431 	} ifc_ifcu;
432 };
433 #pragma pack()
434 #endif /* KERNEL_PRIVATE */
435 
436 /*
437  * Link Quality Metrics
438  *
439  *	IFNET_LQM_THRESH_OFF      Metric is not available; device is off.
440  *	IFNET_LQM_THRESH_UNKNOWN  Metric is not (yet) known.
441  *	IFNET_LQM_THRESH_BAD	  Link quality is considered bad by driver.
442  *	IFNET_LQM_THRESH_POOR     Link quality is considered poor by driver.
443  *	IFNET_LQM_THRESH_GOOD     Link quality is considered good by driver.
444  */
445 enum {
446 	IFNET_LQM_THRESH_OFF            = (-2),
447 	IFNET_LQM_THRESH_UNKNOWN        = (-1),
448 	IFNET_LQM_THRESH_ABORT          = 10,
449 	IFNET_LQM_THRESH_MINIMALLY_VIABLE = 20,
450 	IFNET_LQM_THRESH_POOR           = 50,
451 	IFNET_LQM_THRESH_GOOD           = 100
452 };
453 #define IFNET_LQM_THRESH_BAD    IFNET_LQM_THRESH_ABORT
454 
455 #ifdef XNU_KERNEL_PRIVATE
456 #define IFNET_LQM_MIN   IFNET_LQM_THRESH_OFF
457 #define IFNET_LQM_MAX   IFNET_LQM_THRESH_GOOD
458 #endif /* XNU_KERNEL_PRIVATE */
459 
460 /*
461  * DLIL KEV_DL_LINK_QUALITY_METRIC_CHANGED structure
462  */
463 struct kev_dl_link_quality_metric_data {
464 	struct net_event_data   link_data;
465 	int                     link_quality_metric;
466 };
467 
468 #define IF_DESCSIZE     128
469 
470 /*
471  * Structure for SIOC[SG]IFDESC
472  */
473 struct if_descreq {
474 	char                    ifdr_name[IFNAMSIZ];    /* interface name */
475 	u_int32_t               ifdr_len;               /* up to IF_DESCSIZE */
476 	u_int8_t                ifdr_desc[IF_DESCSIZE]; /* opaque data */
477 };
478 
479 /*
480  *	Output packet scheduling models
481  *
482  *	IFNET_SCHED_MODEL_NORMAL The default output packet scheduling model
483  *		where the driver or media does not require strict scheduling
484  *		strategy, and that the networking stack is free to choose the
485  *		most appropriate scheduling and queueing algorithm, including
486  *		shaping traffics.
487  *	IFNET_SCHED_MODEL_DRIVER_MANAGED The alternative output packet
488  *		scheduling model where the driver or media requires strict
489  *		scheduling strategy (e.g. 802.11 WMM), and that the networking
490  *		stack is only responsible for creating multiple queues for the
491  *		corresponding service classes.
492  */
493 enum {
494 	IFNET_SCHED_MODEL_NORMAL                = 0,
495 	IFNET_SCHED_MODEL_DRIVER_MANAGED        = 1,
496 	IFNET_SCHED_MODEL_FQ_CODEL              = 2,
497 #ifdef XNU_KERNEL_PRIVATE
498 	IFNET_SCHED_MODEL_MAX                   = 3,
499 #endif /* XNU_KERNEL_PRIVATE */
500 };
501 
502 /*
503  * Values for iflpr_flags
504  */
505 #define IFLPRF_ALTQ             0x1     /* configured via PF/ALTQ */
506 #define IFLPRF_DRVMANAGED       0x2     /* output queue scheduled by drv */
507 
508 /*
509  * Structure for SIOCGIFLINKPARAMS
510  */
511 struct if_linkparamsreq {
512 	char            iflpr_name[IFNAMSIZ];   /* interface name */
513 	u_int32_t       iflpr_flags;
514 	u_int32_t       iflpr_output_sched;
515 	u_int64_t       iflpr_output_tbr_rate;
516 	u_int32_t       iflpr_output_tbr_percent;
517 	u_int64_t       iflpr_input_tbr_rate;
518 	struct if_bandwidths iflpr_output_bw;
519 	struct if_bandwidths iflpr_input_bw;
520 	struct if_latencies iflpr_output_lt;
521 	struct if_latencies iflpr_input_lt;
522 	struct if_netem_params iflpr_input_netem;
523 	struct if_netem_params iflpr_output_netem;
524 };
525 
526 /*
527  * Structure for SIOCGIFQUEUESTATS
528  */
529 struct if_qstatsreq {
530 	char            ifqr_name[IFNAMSIZ];    /* interface name */
531 	u_int32_t       ifqr_grp_idx;
532 	u_int32_t       ifqr_slot;
533 	void            *ifqr_buf               __attribute__((aligned(8)));
534 	int              ifqr_len               __attribute__((aligned(8)));
535 };
536 
537 /*
538  * Node Proximity Metrics
539  */
540 enum {
541 	IFNET_NPM_THRESH_UNKNOWN        = (-1),
542 	IFNET_NPM_THRESH_NEAR           = 30,
543 	IFNET_NPM_THRESH_GENERAL        = 70,
544 	IFNET_NPM_THRESH_FAR            = 100,
545 };
546 
547 /*
548  *	Received Signal Strength Indication [special values]
549  *
550  *	IFNET_RSSI_UNKNOWN	Metric is not (yet) known.
551  */
552 enum {
553 	IFNET_RSSI_UNKNOWN      = ((-2147483647) - 1),    /* INT32_MIN */
554 };
555 
556 
557 #if !__has_ptrcheck
558 /*
559  * DLIL KEV_DL_NODE_PRESENCE/KEV_DL_NODE_ABSENCE event structures
560  */
561 struct kev_dl_node_presence {
562 	struct net_event_data   link_data;
563 	struct sockaddr_in6     sin6_node_address;
564 	struct sockaddr_dl      sdl_node_address;
565 	int32_t                 rssi;
566 	int                     link_quality_metric;
567 	int                     node_proximity_metric;
568 	u_int8_t                node_service_info[48];
569 };
570 
571 struct kev_dl_node_absence {
572 	struct net_event_data   link_data;
573 	struct sockaddr_in6     sin6_node_address;
574 	struct sockaddr_dl      sdl_node_address;
575 };
576 #endif
577 
578 /*
579  * Structure for SIOC[SG]IFTHROTTLE
580  */
581 struct if_throttlereq {
582 	char            ifthr_name[IFNAMSIZ];   /* interface name */
583 	u_int32_t       ifthr_level;
584 };
585 
586 /*
587  *	Interface throttling levels
588  *
589  *	IFNET_THROTTLE_OFF The default throttling level (no throttling.)
590  *		All service class queues operate normally according to the
591  *		standard packet scheduler configuration.
592  *	IFNET_THROTTLE_OPPORTUNISTIC One or more service class queues that
593  *		are responsible for managing "opportunistic" traffics are
594  *		suspended.  Packets enqueued on those queues will be dropped
595  *		and a flow advisory error will be generated to the data
596  *		source.  Existing packets in the queues will stay enqueued
597  *		until the interface is no longer throttled, or until they
598  *		are explicitly flushed.
599  */
600 enum {
601 	IFNET_THROTTLE_OFF                      = 0,
602 	IFNET_THROTTLE_OPPORTUNISTIC            = 1,
603 #ifdef XNU_KERNEL_PRIVATE
604 	IFNET_THROTTLE_MAX                      = 2,
605 #endif /* XNU_KERNEL_PRIVATE */
606 };
607 
608 /*
609  * Structure for SIOC[A/D]IFAGENTID
610  */
611 struct if_agentidreq {
612 	char            ifar_name[IFNAMSIZ];    /* interface name */
613 	uuid_t          ifar_uuid;              /* agent UUID to add or delete */
614 };
615 
616 /*
617  * Structure for SIOCGIFAGENTIDS
618  */
619 struct if_agentidsreq {
620 	char            ifar_name[IFNAMSIZ];    /* interface name */
621 	u_int32_t       ifar_count;             /* number of agent UUIDs */
622 	uuid_t          *ifar_uuids;            /* array of agent UUIDs */
623 };
624 
625 #ifdef BSD_KERNEL_PRIVATE
626 struct if_agentidsreq32 {
627 	char            ifar_name[IFNAMSIZ];
628 	u_int32_t       ifar_count;
629 	user32_addr_t ifar_uuids;
630 };
631 struct if_agentidsreq64 {
632 	char            ifar_name[IFNAMSIZ];
633 	u_int32_t       ifar_count;
634 	user64_addr_t ifar_uuids __attribute__((aligned(8)));
635 };
636 #endif /* BSD_KERNEL_PRIVATE */
637 
638 /*
639  * Structure for SIOCGIFNEXUS
640  */
641 struct if_nexusreq {
642 	char            ifnr_name[IFNAMSIZ];    /* interface name */
643 	uint64_t        ifnr_flags;             /* unused, must be zero */
644 	uuid_t          ifnr_netif;             /* netif nexus instance UUID */
645 	uuid_t          ifnr_flowswitch;        /* flowswitch nexus UUID */
646 	uint64_t        ifnr_reserved[5];
647 };
648 
649 #define DLIL_MODIDLEN   20      /* same as IFNET_MODIDLEN */
650 #define DLIL_MODARGLEN  12      /* same as IFNET_MODARGLEN */
651 
652 /*
653  * DLIL KEV_DL_ISSUES event structure
654  */
655 struct kev_dl_issues {
656 	struct net_event_data   link_data;
657 	u_int8_t                modid[DLIL_MODIDLEN];
658 	u_int64_t               timestamp;
659 	u_int8_t                info[DLIL_MODARGLEN];
660 };
661 
662 /*
663  * DLIL KEV_DL_RRC_STATE_CHANGED structure
664  */
665 struct kev_dl_rrc_state {
666 	struct net_event_data   link_data;
667 	u_int32_t               rrc_state;
668 };
669 
670 /*
671  * KEV_DL_LOW_POWER_MODE_CHANGED
672  */
673 struct kev_dl_low_power_mode {
674 	struct net_event_data   link_data;
675 	int                     low_power_event;
676 };
677 
678 /*
679  * Length of network signature/fingerprint blob.
680  */
681 #define IFNET_SIGNATURELEN      20
682 
683 /*
684  * Structure for SIOC[S/G]IFNETSIGNATURE
685  */
686 struct if_nsreq {
687 	char            ifnsr_name[IFNAMSIZ];
688 	u_int8_t        ifnsr_family;   /* address family */
689 	u_int8_t        ifnsr_len;      /* data length */
690 	u_int16_t       ifnsr_flags;    /* for future */
691 	u_int8_t        ifnsr_data[IFNET_SIGNATURELEN];
692 };
693 
694 /* Structure for SIOCSIFNETWORKID */
695 struct if_netidreq {
696 	char            ifnetid_name[IFNAMSIZ];
697 	u_int8_t        ifnetid_len;
698 	u_int8_t        ifnetid[IFNET_NETWORK_ID_LEN];
699 };
700 
701 #define NAT64_PREFIX_LEN_32     4
702 #define NAT64_PREFIX_LEN_40     5
703 #define NAT64_PREFIX_LEN_48     6
704 #define NAT64_PREFIX_LEN_56     7
705 #define NAT64_PREFIX_LEN_64     8
706 #define NAT64_PREFIX_LEN_96     12
707 #define NAT64_PREFIX_LEN_MAX    NAT64_PREFIX_LEN_96
708 
709 #define NAT64_MAX_NUM_PREFIXES  4
710 
711 struct ipv6_prefix {
712 	struct in6_addr ipv6_prefix;
713 	uint32_t        prefix_len;
714 };
715 
716 struct if_ipv6_address {
717 	struct in6_addr v6_address;
718 	uint32_t        v6_prefixlen;
719 };
720 
721 /* Structure for SIOC[S/G]IFNAT64PREFIX */
722 struct if_nat64req {
723 	char                    ifnat64_name[IFNAMSIZ];
724 	struct ipv6_prefix      ifnat64_prefixes[NAT64_MAX_NUM_PREFIXES];
725 };
726 
727 /* Structure for SIOCGIFCLAT46ADDR */
728 struct if_clat46req {
729 	char                    ifclat46_name[IFNAMSIZ];
730 	struct if_ipv6_address  ifclat46_addr;
731 };
732 
733 /*
734  * Structure for SIOC[S/G]IFORDER
735  *
736  * When setting, ifo_count is the number of u_int32_t interface indices
737  * in the ifo_ordered_indices array.
738  *
739  * When getting, if ifo_count is 0, the length of the ordered list will
740  * be returned. If the ifo_count is non-0, it is the number of u_int32_t
741  * interface indices allocated. Upon return, ifo_count will contain the number
742  * of indices copied into the array.
743  */
744 struct if_order {
745 	u_int32_t                       ifo_count;
746 	u_int32_t                       ifo_reserved;
747 	mach_vm_address_t       ifo_ordered_indices; /* array of u_int32_t */
748 };
749 
750 /*
751  * Struct for traffic class to DSCP mapping
752  */
753 struct if_tdmreq {
754 	char                            iftdm_name[IFNAMSIZ];
755 	u_int32_t                       iftdm_len;      /* byte length of the table */
756 	struct netsvctype_dscp_map      *iftdm_table;
757 };
758 
759 #ifdef BSD_KERNEL_PRIVATE
760 struct if_tdmreq32 {
761 	char                    iftdm_name[IFNAMSIZ];
762 	u_int32_t               iftdm_len;      /* byte length of the table */
763 	user32_addr_t           iftdm_table;
764 };
765 
766 struct if_tdmreq64 {
767 	char                    iftdm_name[IFNAMSIZ];
768 	u_int32_t               iftdm_len;      /* byte length of the table */
769 	user64_addr_t           iftdm_table __attribute__((aligned(8)));
770 };
771 #endif
772 
773 /*
774  * Structure for SIOCGIFPROTOLIST.
775  */
776 struct if_protolistreq {
777 	char                    ifpl_name[IFNAMSIZ];
778 	u_int32_t               ifpl_count;
779 	u_int32_t               ifpl_reserved; /* must be zero */
780 	u_int32_t               *ifpl_list;
781 };
782 
783 #ifdef BSD_KERNEL_PRIVATE
784 struct if_protolistreq32 {
785 	char                    ifpl_name[IFNAMSIZ];
786 	u_int32_t               ifpl_count;
787 	u_int32_t               ifpl_reserved; /* must be zero */
788 	user32_addr_t           ifpl_list;
789 };
790 
791 struct if_protolistreq64 {
792 	char                    ifpl_name[IFNAMSIZ];
793 	u_int32_t               ifpl_count;
794 	u_int32_t               ifpl_reserved; /* must be zero */
795 	user64_addr_t           ifpl_list;
796 };
797 #endif /* BSD_KERNEL_PRIVATE */
798 
799 
800 /*
801  * Entitlement to send/receive data on an INTCOPROC interface
802  */
803 #define INTCOPROC_RESTRICTED_ENTITLEMENT "com.apple.private.network.intcoproc.restricted"
804 #define INTCOPROC_RESTRICTED_ENTITLEMENT_DEVELOPMENT "com.apple.private.network.intcoproc.restricted.development"
805 
806 /*
807  * Entitlement to send/receive data on a management interface
808  */
809 #define MANAGEMENT_DATA_ENTITLEMENT "com.apple.private.network.management.data"
810 #define MANAGEMENT_DATA_ENTITLEMENT_DEVELOPMENT "com.apple.private.network.management.data.development"
811 
812 /*
813  * Entitlement to make change to a management interface
814  */
815 #define MANAGEMENT_CONTROL_ENTITLEMENT "com.apple.private.network.management.control"
816 
817 #endif /* DRIVERKIT */
818 #endif /* (_POSIX_C_SOURCE && !_DARWIN_C_SOURCE) */
819 
820 #endif /* !_NET_IF_PRIVATE_H_ */
821