1//Written in the D programming language
2
3/++
4    D header file for Darwin's extensions to POSIX's netinet/in.h.
5
6    Copyright: Copyright 2017 -
7    License:   $(HTTP www.boost.org/LICENSE_1_0.txt, Boost License 1.0).
8    Authors:   $(HTTP jmdavisprog.com, Jonathan M Davis)
9 +/
10module core.sys.darwin.netinet.in_;
11
12import core.sys.darwin.sys.cdefs;
13
14public import core.sys.posix.netinet.in_;
15
16version (OSX)
17    version = Darwin;
18else version (iOS)
19    version = Darwin;
20else version (TVOS)
21    version = Darwin;
22else version (WatchOS)
23    version = Darwin;
24
25version (Darwin):
26extern(C) nothrow @nogc:
27
28enum IPPROTO_IP = 0;
29static if (_DARWIN_C_SOURCE)
30    enum IPPROTO_HOPOPTS = 0;
31enum IPPROTO_ICMP = 1;
32static if (_DARWIN_C_SOURCE)
33{
34    enum IPPROTO_IGMP = 2;
35    enum IPPROTO_GGP  = 3;
36    enum IPPROTO_IPV4 = 4;
37    enum IPPROTO_IPIP = IPPROTO_IPV4;
38}
39enum IPPROTO_TCP = 6;
40static if (_DARWIN_C_SOURCE)
41{
42    enum IPPROTO_ST     = 7;
43    enum IPPROTO_EGP    = 8;
44    enum IPPROTO_PIGP   = 9;
45    enum IPPROTO_RCCMON = 10;
46    enum IPPROTO_NVPII  = 11;
47    enum IPPROTO_PUP    = 12;
48    enum IPPROTO_ARGUS  = 13;
49    enum IPPROTO_EMCON  = 14;
50    enum IPPROTO_XNET   = 15;
51    enum IPPROTO_CHAOS  = 16;
52}
53enum IPPROTO_UDP = 17;
54static if (_DARWIN_C_SOURCE)
55{
56    enum IPPROTO_MUX    = 18;
57    enum IPPROTO_MEAS   = 19;
58    enum IPPROTO_HMP    = 20;
59    enum IPPROTO_PRM    = 21;
60    enum IPPROTO_IDP    = 22;
61    enum IPPROTO_TRUNK1 = 23;
62    enum IPPROTO_TRUNK2 = 24;
63    enum IPPROTO_LEAF1  = 25;
64    enum IPPROTO_LEAF2  = 26;
65    enum IPPROTO_RDP    = 27;
66    enum IPPROTO_IRTP   = 28;
67    enum IPPROTO_TP     = 29;
68    enum IPPROTO_BLT    = 30;
69    enum IPPROTO_NSP    = 31;
70    enum IPPROTO_INP    = 32;
71    enum IPPROTO_SEP    = 33;
72    enum IPPROTO_3PC    = 34;
73    enum IPPROTO_IDPR   = 35;
74    enum IPPROTO_XTP    = 36;
75    enum IPPROTO_DDP    = 37;
76    enum IPPROTO_CMTP   = 38;
77    enum IPPROTO_TPXX   = 39;
78    enum IPPROTO_IL     = 40;
79}
80enum IPPROTO_IPV6 = 41;
81static if (_DARWIN_C_SOURCE)
82{
83    enum IPPROTO_SDRP      = 42;
84    enum IPPROTO_ROUTING   = 43;
85    enum IPPROTO_FRAGMENT  = 44;
86    enum IPPROTO_IDRP      = 45;
87    enum IPPROTO_RSVP      = 46;
88    enum IPPROTO_GRE       = 47;
89    enum IPPROTO_MHRP      = 48;
90    enum IPPROTO_BHA       = 49;
91    enum IPPROTO_ESP       = 50;
92    enum IPPROTO_AH        = 51;
93    enum IPPROTO_INLSP     = 52;
94    enum IPPROTO_SWIPE     = 53;
95    enum IPPROTO_NHRP      = 54;
96    enum IPPROTO_ICMPV6    = 58;
97    enum IPPROTO_NONE      = 59;
98    enum IPPROTO_DSTOPTS   = 60;
99    enum IPPROTO_AHIP      = 61;
100    enum IPPROTO_CFTP      = 62;
101    enum IPPROTO_HELLO     = 63;
102    enum IPPROTO_SATEXPAK  = 64;
103    enum IPPROTO_KRYPTOLAN = 65;
104    enum IPPROTO_RVD       = 66;
105    enum IPPROTO_IPPC      = 67;
106    enum IPPROTO_ADFS      = 68;
107    enum IPPROTO_SATMON    = 69;
108    enum IPPROTO_VISA      = 70;
109    enum IPPROTO_IPCV      = 71;
110    enum IPPROTO_CPNX      = 72;
111    enum IPPROTO_CPHB      = 73;
112    enum IPPROTO_WSN       = 74;
113    enum IPPROTO_PVP       = 75;
114    enum IPPROTO_BRSATMON  = 76;
115    enum IPPROTO_ND        = 77;
116    enum IPPROTO_WBMON     = 78;
117    enum IPPROTO_WBEXPAK   = 79;
118    enum IPPROTO_EON       = 80;
119    enum IPPROTO_VMTP      = 81;
120    enum IPPROTO_SVMTP     = 82;
121    enum IPPROTO_VINES     = 83;
122    enum IPPROTO_TTP       = 84;
123    enum IPPROTO_IGP       = 85;
124    enum IPPROTO_DGP       = 86;
125    enum IPPROTO_TCF       = 87;
126    enum IPPROTO_IGRP      = 88;
127    enum IPPROTO_OSPFIGP   = 89;
128    enum IPPROTO_SRPC      = 90;
129    enum IPPROTO_LARP      = 91;
130    enum IPPROTO_MTP       = 92;
131    enum IPPROTO_AX25      = 93;
132    enum IPPROTO_IPEIP     = 94;
133    enum IPPROTO_MICP      = 95;
134    enum IPPROTO_SCCSP     = 96;
135    enum IPPROTO_ETHERIP   = 97;
136    enum IPPROTO_ENCAP     = 98;
137    enum IPPROTO_APES      = 99;
138    enum IPPROTO_GMTP      = 100;
139    enum IPPROTO_PIM       = 103;
140    enum IPPROTO_IPCOMP    = 108;
141    enum IPPROTO_PGM       = 113;
142    enum IPPROTO_SCTP      = 132;
143    enum IPPROTO_DIVERT    = 254;
144}
145enum IPPROTO_RAW = 255;
146
147static if (_DARWIN_C_SOURCE)
148{
149    enum IPPROTO_MAX  = 256;
150    enum IPPROTO_DONE = 257;
151}
152
153static if (_DARWIN_C_SOURCE)
154{
155    enum IPPORT_RESERVED = 1024;
156    enum IPPORT_USERRESERVED = 5000;
157
158    enum IPPORT_HIFIRSTAUTO = 49152;
159    enum IPPORT_HILASTAUTO  = 65535;
160
161    enum IPPORT_RESERVEDSTART = 600;
162}
163
164static if (_DARWIN_C_SOURCE)
165{
166    extern(D) bool IN_CLASSA(in_addr_t i) pure @safe { return (i & 0x80000000) == 0; }
167    enum IN_CLASSA_NET    = 0xff000000;
168    enum IN_CLASSA_NSHIFT = 24;
169    enum IN_CLASSA_HOST   = 0x00ffffff;
170    enum IN_CLASSA_MAX    = 128;
171
172    extern(D) bool IN_CLASSB(in_addr_t i) pure @safe { return (i & 0xc0000000) == 0x80000000; }
173    enum IN_CLASSB_NET    = 0xffff0000;
174    enum IN_CLASSB_NSHIFT = 16;
175    enum IN_CLASSB_HOST   = 0x0000ffff;
176    enum IN_CLASSB_MAX    = 65536;
177
178    extern(D) bool IN_CLASSC(in_addr_t i) pure @safe { return (i & 0xe0000000) == 0xc0000000; }
179    enum IN_CLASSC_NET    = 0xffffff00;
180    enum IN_CLASSC_NSHIFT = 8;
181    enum IN_CLASSC_HOST   = 0x000000ff;
182
183    extern(D) bool IN_CLASSD(in_addr_t i) pure @safe { return (i & 0xf0000000) == 0xe0000000; }
184    enum IN_CLASSD_NET    = 0xf0000000;
185    enum IN_CLASSD_NSHIFT = 28;
186    enum IN_CLASSD_HOST   = 0x0fffffff;
187    extern(D) bool IN_MULTICAST(in_addr_t i) pure @safe { return IN_CLASSD(i); }
188
189    // The fact that these are identical looks suspicious (they're not quite
190    // identical on Linux). However, this _is_ how they're defined in FreeBSD
191    // and on OS X. So, while it _might_ be a bug, if it is, it's an upstream
192    // one, and we're compatible with it.
193    extern(D) bool IN_EXPERIMENTAL(in_addr_t i) pure @safe { return (i & 0xf0000000) == 0xf0000000; }
194    extern(D) bool IN_BADCLASS(in_addr_t i) pure @safe { return (i & 0xf0000000) == 0xf0000000; }
195
196    enum INADDR_UNSPEC_GROUP    = 0xe0000000;
197    enum INADDR_ALLHOSTS_GROUP  = 0xe0000001;
198    enum INADDR_ALLRTRS_GROUP   = 0xe0000002;
199    enum INADDR_ALLRPTS_GROUP   = 0xe0000016;
200    enum INADDR_CARP_GROUP      = 0xe0000012;
201    enum INADDR_PFSYNC_GROUP    = 0xe00000f0;
202    enum INADDR_ALLMDNS_GROUP   = 0xe00000fb;
203    enum INADDR_MAX_LOCAL_GROUP = 0xe00000ff;
204
205    enum IN_LINKLOCALNETNUM = 0xA9FE0000;
206    extern(D) bool IN_LINKLOCAL(in_addr_t i) pure @safe { return (i & IN_CLASSB_NET) == IN_LINKLOCALNETNUM; }
207    extern(D) bool IN_LOOPBACK(in_addr_t i) pure @safe { return (i & 0xff000000) == 0x7f000000; }
208    extern(D) bool IN_ZERONET(in_addr_t i) pure @safe { return (i & 0xff000000) == 0; }
209
210    extern(D) bool IN_PRIVATE(in_addr_t i) pure @safe
211    {
212        return (i & 0xff000000) == 0x0a000000 ||
213               (i & 0xfff00000) == 0xac100000 ||
214               (i & 0xffff0000) == 0xc0a80000;
215    }
216
217    extern(D) bool IN_LOCAL_GROUP(in_addr_t i) pure @safe { return (i & 0xffffff00) == 0xe0000000; }
218
219    extern(D) bool IN_ANY_LOCAL(in_addr_t i) pure @safe { return IN_LINKLOCAL(i) || IN_LOCAL_GROUP(i); }
220
221    enum IN_LOOPBACKNET = 127;
222
223
224    struct ip_opts
225    {
226        in_addr  ip_dst;
227        char[40] ip_opts = 0;
228    }
229
230    enum IP_OPTIONS         = 1;
231    enum IP_HDRINCL         = 2;
232    enum IP_TOS             = 3;
233    enum IP_TTL             = 4;
234    enum IP_RECVOPTS        = 5;
235    enum IP_RECVRETOPTS     = 6;
236    enum IP_RECVDSTADDR     = 7;
237    enum IP_RETOPTS         = 8;
238    enum IP_MULTICAST_IF    = 9;
239    enum IP_MULTICAST_TTL   = 10;
240    enum IP_MULTICAST_LOOP  = 11;
241    enum IP_ADD_MEMBERSHIP  = 12;
242    enum IP_DROP_MEMBERSHIP = 13;
243    enum IP_MULTICAST_VIF   = 14;
244    enum IP_RSVP_ON         = 15;
245    enum IP_RSVP_OFF        = 16;
246    enum IP_RSVP_VIF_ON     = 17;
247    enum IP_RSVP_VIF_OFF    = 18;
248    enum IP_PORTRANGE       = 19;
249    enum IP_RECVIF          = 20;
250
251    enum IP_IPSEC_POLICY = 21;
252    enum IP_STRIPHDR     = 23;
253    enum IP_RECVTTL      = 24;
254    enum IP_BOUND_IF     = 25;
255    enum IP_PKTINFO      = 26;
256    enum IP_RECVPKTINFO  = IP_PKTINFO;
257    enum IP_RECVTOS      = 27;
258
259    enum IP_FW_ADD      = 40;
260    enum IP_FW_DEL      = 41;
261    enum IP_FW_FLUSH    = 42;
262    enum IP_FW_ZERO     = 43;
263    enum IP_FW_GET      = 44;
264    enum IP_FW_RESETLOG = 45;
265
266    enum IP_OLD_FW_ADD      = 50;
267    enum IP_OLD_FW_DEL      = 51;
268    enum IP_OLD_FW_FLUSH    = 52;
269    enum IP_OLD_FW_ZERO     = 53;
270    enum IP_OLD_FW_GET      = 54;
271    enum IP_NAT__XXX        = 55;
272    enum IP_OLD_FW_RESETLOG = 56;
273
274    enum IP_DUMMYNET_CONFIGURE = 60;
275    enum IP_DUMMYNET_DEL       = 61;
276    enum IP_DUMMYNET_FLUSH     = 62;
277    enum IP_DUMMYNET_GET       = 64;
278
279    enum IP_TRAFFIC_MGT_BACKGROUND = 65;
280    enum IP_MULTICAST_IFINDEX      = 66;
281
282    enum IP_ADD_SOURCE_MEMBERSHIP  = 70;
283    enum IP_DROP_SOURCE_MEMBERSHIP = 71;
284    enum IP_BLOCK_SOURCE           = 72;
285    enum IP_UNBLOCK_SOURCE         = 73;
286
287    enum IP_MSFILTER = 74;
288
289    enum MCAST_JOIN_GROUP         = 80;
290    enum MCAST_LEAVE_GROUP        = 81;
291    enum MCAST_JOIN_SOURCE_GROUP  = 82;
292    enum MCAST_LEAVE_SOURCE_GROUP = 83;
293    enum MCAST_BLOCK_SOURCE       = 84;
294    enum MCAST_UNBLOCK_SOURCE     = 85;
295
296    enum IP_DEFAULT_MULTICAST_TTL  = 1;
297    enum IP_DEFAULT_MULTICAST_LOOP = 1;
298
299    enum IP_MIN_MEMBERSHIPS = 31;
300    enum IP_MAX_MEMBERSHIPS = 4095;
301
302    enum IP_MAX_GROUP_SRC_FILTER = 512;
303    enum IP_MAX_SOCK_SRC_FILTER  = 128;
304    enum IP_MAX_SOCK_MUTE_FILTER = 128;
305
306    struct ip_mreq
307    {
308        in_addr imr_multiaddr;
309        in_addr imr_interface;
310    }
311
312    struct ip_mreqn
313    {
314        in_addr imr_multiaddr;
315        in_addr imr_address;
316        int     imr_ifindex;
317    }
318
319    struct ip_mreq_source
320    {
321        align(4):
322        in_addr imr_multiaddr;
323        in_addr imr_sourceaddr;
324        in_addr imr_interface;
325    }
326
327    struct group_req
328    {
329        align(4):
330        uint             gr_interface;
331        sockaddr_storage gr_group;
332    }
333
334    struct group_source_req
335    {
336        align(4):
337        uint             gsr_interface;
338        sockaddr_storage gsr_group;
339        sockaddr_storage gsr_source;
340    }
341
342    int setipv4sourcefilter(int, in_addr, in_addr, uint, uint, in_addr*);
343    int getipv4sourcefilter(int, in_addr, in_addr, uint*, uint*, in_addr*);
344    int setsourcefilter(int, uint, sockaddr*, socklen_t, uint, uint, sockaddr_storage*);
345    int getsourcefilter(int, uint, sockaddr*, socklen_t, uint*, uint*, sockaddr_storage*);
346
347    enum MCAST_UNDEFINED = 0;
348    enum MCAST_INCLUDE   = 1;
349    enum MCAST_EXCLUDE   = 2;
350
351    enum IP_PORTRANGE_DEFAULT = 0;
352    enum IP_PORTRANGE_HIGH    = 1;
353    enum IP_PORTRANGE_LOW     = 2;
354
355    struct in_pktinfo
356    {
357        uint     ipi_ifindex;
358        in_addr  ipi_spec_dst;
359        in_addr  ipi_addr;
360    }
361
362    enum IPPROTO_MAXID = IPPROTO_AH + 1;
363
364
365    enum IPCTL_FORWARDING        = 1;
366    enum IPCTL_SENDREDIRECTS     = 2;
367    enum IPCTL_DEFTTL            = 3;
368    enum IPCTL_DEFMTU            = 4;
369    enum IPCTL_RTEXPIRE          = 5;
370    enum IPCTL_RTMINEXPIRE       = 6;
371    enum IPCTL_RTMAXCACHE        = 7;
372    enum IPCTL_SOURCEROUTE       = 8;
373    enum IPCTL_DIRECTEDBROADCAST = 9;
374    enum IPCTL_INTRQMAXLEN       = 10;
375    enum IPCTL_INTRQDROPS        = 11;
376    enum IPCTL_STATS             = 12;
377    enum IPCTL_ACCEPTSOURCEROUTE = 13;
378    enum IPCTL_FASTFORWARDING    = 14;
379    enum IPCTL_KEEPFAITH         = 15;
380    enum IPCTL_GIF_TTL           = 16;
381    enum IPCTL_MAXID             = 17;
382
383    int bindresvport(int, sockaddr_in*);
384    int bindresvport_sa(int, sockaddr*);
385}
386
387// =============================================================================
388// What follows is from netinet6/in6.h, but since netinet6/in6.h specifically
389// says that it should only be #included by #including netinet/in.h, it makes
390// more sense to put them in here so that the way they're imported corresponds
391// with the correct way of #including them in C/C++.
392// =============================================================================
393
394static if (_DARWIN_C_SOURCE)
395{
396    enum IPV6PORT_RESERVED    = 1024;
397    enum IPV6PORT_ANONMIN     = 49152;
398    enum IPV6PORT_ANONMAX     = 65535;
399    enum IPV6PORT_RESERVEDMIN = 600;
400    enum IPV6PORT_RESERVEDMAX = IPV6PORT_RESERVED - 1;
401}
402
403
404enum IN6ADDR_ANY_INIT = in6_addr.init;
405enum IN6ADDR_LOOPBACK_INIT = in6_addr([0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
406                                       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01]);
407
408static if (_DARWIN_C_SOURCE)
409{
410    enum IN6ADDR_NODELOCAL_ALLNODES_INIT = in6_addr([0xff, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
411                                                     0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01]);
412    enum IN6ADDR_INTFACELOCAL_ALLNODES_INIT = in6_addr([0xff, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
413                                                        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01]);
414    enum IN6ADDR_LINKLOCAL_ALLNODES_INIT = in6_addr([0xff, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
415                                                     0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01]);
416    enum IN6ADDR_LINKLOCAL_ALLROUTERS_INIT = in6_addr([0xff, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
417                                                       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02]);
418    enum IN6ADDR_LINKLOCAL_ALLV2ROUTERS_INIT = in6_addr([0xff, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
419                                                         0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x16]);
420    enum IN6ADDR_V4MAPPED_INIT = in6_addr([0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
421                                           0x00, 0x00, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00]);
422}
423
424__gshared const in6_addr in6addr_any;
425__gshared const in6_addr in6addr_loopback;
426static if (_DARWIN_C_SOURCE)
427{
428    __gshared const in6_addr in6addr_nodelocal_allnodes;
429    __gshared const in6_addr in6addr_linklocal_allnodes;
430    __gshared const in6_addr in6addr_linklocal_allrouters;
431    __gshared const in6_addr in6addr_linklocal_allv2routers;
432
433    extern(D) bool IN6_ARE_ADDR_EQUAL(in6_addr* a, in6_addr* b) pure @safe { return *a == *b; }
434}
435
436extern(D) bool IN6_IS_ADDR_6TO4(in6_addr* x) pure @safe { return ntohs(x.s6_addr16[0]) == 0x2002; }
437
438enum __IPV6_ADDR_SCOPE_NODELOCAL    = 0x01;
439enum __IPV6_ADDR_SCOPE_INTFACELOCAL = 0x01;
440enum __IPV6_ADDR_SCOPE_LINKLOCAL    = 0x02;
441enum __IPV6_ADDR_SCOPE_SITELOCAL    = 0x05;
442enum __IPV6_ADDR_SCOPE_GLOBAL       = 0x0e;
443
444extern(D) bool IN6_IS_ADDR_UNIQUE_LOCAL(in6_addr* a) pure @safe
445{
446    return a.s6_addr[0] == 0xfc || a.s6_addr[0] == 0xfd;
447}
448
449static if (_DARWIN_C_SOURCE)
450    enum IPV6_SOCKOPT_RESERVED1 = 3;
451enum IPV6_UNICAST_HOPS   = 4;
452enum IPV6_MULTICAST_IF   = 9;
453enum IPV6_MULTICAST_HOPS = 10;
454enum IPV6_MULTICAST_LOOP = 11;
455enum IPV6_JOIN_GROUP     = 12;
456enum IPV6_LEAVE_GROUP    = 13;
457
458static if (_DARWIN_C_SOURCE)
459{
460    enum IPV6_PORTRANGE    = 14;
461    enum ICMP6_FILTER      = 18;
462
463    enum IPV6_CHECKSUM = 26;
464}
465enum IPV6_V6ONLY = 27;
466static if (_DARWIN_C_SOURCE)
467{
468    enum IPV6_BINDV6ONLY = IPV6_V6ONLY;
469
470    enum IPV6_IPSEC_POLICY = 28;
471
472    enum IPV6_FW_ADD   = 30;
473    enum IPV6_FW_DEL   = 31;
474    enum IPV6_FW_FLUSH = 32;
475    enum IPV6_FW_ZERO  = 33;
476    enum IPV6_FW_GET   = 34;
477
478    enum IPV6_RECVTCLASS = 35;
479    enum IPV6_TCLASS     = 36;
480
481    enum IPV6_RTHDRDSTOPTS = 57;
482
483    enum IPV6_RECVPKTINFO = 61;
484
485    enum IPV6_RECVHOPLIMIT = 37;
486    enum IPV6_RECVRTHDR    = 38;
487    enum IPV6_RECVHOPOPTS  = 39;
488    enum IPV6_RECVDSTOPTS  = 40;
489
490    enum IPV6_USE_MIN_MTU  = 42;
491    enum IPV6_RECVPATHMTU  = 43;
492
493    enum IPV6_PATHMTU = 44;
494
495    enum IPV6_PKTINFO  = 46;
496    enum IPV6_HOPLIMIT = 47;
497    enum IPV6_NEXTHOP  = 48;
498    enum IPV6_HOPOPTS  = 49;
499    enum IPV6_DSTOPTS  = 50;
500    enum IPV6_RTHDR    = 51;
501
502    enum IPV6_AUTOFLOWLABEL = 59;
503
504    enum IPV6_DONTFRAG = 62;
505
506    enum IPV6_PREFER_TEMPADDR = 63;
507
508    enum IPV6_BOUND_IF = 125;
509
510    enum IPV6_RTHDR_LOOSE  = 0;
511    enum IPV6_RTHDR_STRICT = 1;
512    enum IPV6_RTHDR_TYPE_0 = 0;
513
514    enum IPV6_DEFAULT_MULTICAST_HOPS = 1;
515    enum IPV6_DEFAULT_MULTICAST_LOOP = 1;
516
517    enum IPV6_MIN_MEMBERSHIPS = 31;
518    enum IPV6_MAX_MEMBERSHIPS = 4095;
519
520    enum IPV6_MAX_GROUP_SRC_FILTER = 512;
521    enum IPV6_MAX_SOCK_SRC_FILTER  = 128;
522
523    struct in6_pktinfo
524    {
525        in6_addr ipi6_addr;
526        uint     ipi6_ifindex;
527    }
528
529    struct ip6_mtuinfo
530    {
531        sockaddr_in6 ip6m_addr;
532        uint         ip6m_mtu;
533    }
534
535    enum IPV6_PORTRANGE_DEFAULT = 0;
536    enum IPV6_PORTRANGE_HIGH    = 1;
537    enum IPV6_PORTRANGE_LOW     = 2;
538
539    enum IPV6PROTO_MAXID = IPPROTO_PIM + 1;
540
541    enum IPV6CTL_FORWARDING         = 1;
542    enum IPV6CTL_SENDREDIRECTS      = 2;
543    enum IPV6CTL_DEFHLIM            = 3;
544    enum IPV6CTL_DEFMTU             = 4;
545    enum IPV6CTL_FORWSRCRT          = 5;
546    enum IPV6CTL_STATS              = 6;
547    enum IPV6CTL_MRTSTATS           = 7;
548    enum IPV6CTL_MRTPROTO           = 8;
549    enum IPV6CTL_MAXFRAGPACKETS     = 9;
550    enum IPV6CTL_SOURCECHECK        = 10;
551    enum IPV6CTL_SOURCECHECK_LOGINT = 11;
552    enum IPV6CTL_ACCEPT_RTADV       = 12;
553
554    enum IPV6CTL_LOG_INTERVAL   = 14;
555    enum IPV6CTL_HDRNESTLIMIT   = 15;
556    enum IPV6CTL_DAD_COUNT      = 16;
557    enum IPV6CTL_AUTO_FLOWLABEL = 17;
558    enum IPV6CTL_DEFMCASTHLIM   = 18;
559    enum IPV6CTL_GIF_HLIM       = 19;
560    enum IPV6CTL_KAME_VERSION   = 20;
561    enum IPV6CTL_USE_DEPRECATED = 21;
562    enum IPV6CTL_RR_PRUNE       = 22;
563    enum IPV6CTL_V6ONLY         = 24;
564    enum IPV6CTL_RTEXPIRE       = 25;
565    enum IPV6CTL_RTMINEXPIRE    = 26;
566    enum IPV6CTL_RTMAXCACHE     = 27;
567
568    enum IPV6CTL_USETEMPADDR     = 32;
569    enum IPV6CTL_TEMPPLTIME      = 33;
570    enum IPV6CTL_TEMPVLTIME      = 34;
571    enum IPV6CTL_AUTO_LINKLOCAL  = 35;
572    enum IPV6CTL_RIP6STATS       = 36;
573    enum IPV6CTL_PREFER_TEMPADDR = 37;
574    enum IPV6CTL_ADDRCTLPOLICY   = 38;
575    enum IPV6CTL_USE_DEFAULTZONE = 39;
576
577    enum IPV6CTL_MAXFRAGS   = 41;
578    enum IPV6CTL_MCAST_PMTU = 44;
579
580    enum IPV6CTL_NEIGHBORGCTHRESH      = 46;
581    enum IPV6CTL_MAXIFPREFIXES         = 47;
582    enum IPV6CTL_MAXIFDEFROUTERS       = 48;
583    enum IPV6CTL_MAXDYNROUTES          = 49;
584    enum ICMPV6CTL_ND6_ONLINKNSRFC4861 = 50;
585
586    enum IPV6CTL_MAXID = 51;
587
588    size_t inet6_rthdr_space(int, int) @trusted;
589    cmsghdr* inet6_rthdr_init(void*, int);
590    int inet6_rthdr_add(cmsghdr*, const in6_addr*, uint);
591    int inet6_rthdr_lasthop(cmsghdr*, uint);
592    int inet6_rthdr_segments(const cmsghdr*);
593    in6_addr* inet6_rthdr_getaddr(cmsghdr*, int);
594    int inet6_rthdr_getflags(const cmsghdr*, int);
595
596    int inet6_opt_init(void*, socklen_t);
597    int inet6_opt_append(void*, socklen_t, int, ubyte, socklen_t, ubyte, void**);
598    int inet6_opt_finish(void*, socklen_t, int);
599    int inet6_opt_set_val(void*, int, void*, socklen_t);
600
601    int inet6_opt_next(void*, socklen_t, int, ubyte*, socklen_t*, void**);
602    int inet6_opt_find(void*, socklen_t, int, ubyte, socklen_t*, void**);
603    int inet6_opt_get_val(void*, int, void*, socklen_t);
604    socklen_t inet6_rth_space(int, int) @trusted;
605    void* inet6_rth_init(void*, socklen_t, int, int);
606    int inet6_rth_add(void*, const in6_addr*);
607    int inet6_rth_reverse(const void*, void*);
608    int inet6_rth_segments(const void*);
609    in6_addr* inet6_rth_getaddr(const void*, int);
610    void addrsel_policy_init();
611}
612