master
1#ifndef _NETINET_IN_H
2#define _NETINET_IN_H
3
4#ifdef __cplusplus
5extern "C" {
6#endif
7
8#include <features.h>
9#include <inttypes.h>
10#include <sys/socket.h>
11
12typedef uint16_t in_port_t;
13typedef uint32_t in_addr_t;
14struct in_addr { in_addr_t s_addr; };
15
16struct sockaddr_in {
17 sa_family_t sin_family;
18 in_port_t sin_port;
19 struct in_addr sin_addr;
20 uint8_t sin_zero[8];
21};
22
23struct in6_addr {
24 union {
25 uint8_t __s6_addr[16];
26 uint16_t __s6_addr16[8];
27 uint32_t __s6_addr32[4];
28 } __in6_union;
29};
30#define s6_addr __in6_union.__s6_addr
31#define s6_addr16 __in6_union.__s6_addr16
32#define s6_addr32 __in6_union.__s6_addr32
33
34struct sockaddr_in6 {
35 sa_family_t sin6_family;
36 in_port_t sin6_port;
37 uint32_t sin6_flowinfo;
38 struct in6_addr sin6_addr;
39 uint32_t sin6_scope_id;
40};
41
42struct ipv6_mreq {
43 struct in6_addr ipv6mr_multiaddr;
44 unsigned ipv6mr_interface;
45};
46
47#define INADDR_ANY ((in_addr_t) 0x00000000)
48#define INADDR_BROADCAST ((in_addr_t) 0xffffffff)
49#define INADDR_NONE ((in_addr_t) 0xffffffff)
50#define INADDR_LOOPBACK ((in_addr_t) 0x7f000001)
51#define INADDR_DUMMY ((in_addr_t) 0xc0000008)
52
53#define INADDR_UNSPEC_GROUP ((in_addr_t) 0xe0000000)
54#define INADDR_ALLHOSTS_GROUP ((in_addr_t) 0xe0000001)
55#define INADDR_ALLRTRS_GROUP ((in_addr_t) 0xe0000002)
56#define INADDR_ALLSNOOPERS_GROUP ((in_addr_t) 0xe000006a)
57#define INADDR_MAX_LOCAL_GROUP ((in_addr_t) 0xe00000ff)
58
59#define IN6ADDR_ANY_INIT { { { 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 } } }
60#define IN6ADDR_LOOPBACK_INIT { { { 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1 } } }
61
62extern const struct in6_addr in6addr_any, in6addr_loopback;
63
64#define INET_ADDRSTRLEN 16
65#define INET6_ADDRSTRLEN 46
66
67uint32_t htonl(uint32_t);
68uint16_t htons(uint16_t);
69uint32_t ntohl(uint32_t);
70uint16_t ntohs(uint16_t);
71
72#define IPPORT_RESERVED 1024
73
74#define IPPROTO_IP 0
75#define IPPROTO_HOPOPTS 0
76#define IPPROTO_ICMP 1
77#define IPPROTO_IGMP 2
78#define IPPROTO_IPIP 4
79#define IPPROTO_TCP 6
80#define IPPROTO_EGP 8
81#define IPPROTO_PUP 12
82#define IPPROTO_UDP 17
83#define IPPROTO_IDP 22
84#define IPPROTO_TP 29
85#define IPPROTO_DCCP 33
86#define IPPROTO_IPV6 41
87#define IPPROTO_ROUTING 43
88#define IPPROTO_FRAGMENT 44
89#define IPPROTO_RSVP 46
90#define IPPROTO_GRE 47
91#define IPPROTO_ESP 50
92#define IPPROTO_AH 51
93#define IPPROTO_ICMPV6 58
94#define IPPROTO_NONE 59
95#define IPPROTO_DSTOPTS 60
96#define IPPROTO_MTP 92
97#define IPPROTO_BEETPH 94
98#define IPPROTO_ENCAP 98
99#define IPPROTO_PIM 103
100#define IPPROTO_COMP 108
101#define IPPROTO_SCTP 132
102#define IPPROTO_MH 135
103#define IPPROTO_UDPLITE 136
104#define IPPROTO_MPLS 137
105#define IPPROTO_ETHERNET 143
106#define IPPROTO_RAW 255
107#define IPPROTO_MPTCP 262
108#define IPPROTO_MAX 263
109
110#define IN6_IS_ADDR_UNSPECIFIED(a) \
111 (((uint32_t *) (a))[0] == 0 && ((uint32_t *) (a))[1] == 0 && \
112 ((uint32_t *) (a))[2] == 0 && ((uint32_t *) (a))[3] == 0)
113
114#define IN6_IS_ADDR_LOOPBACK(a) \
115 (((uint32_t *) (a))[0] == 0 && ((uint32_t *) (a))[1] == 0 && \
116 ((uint32_t *) (a))[2] == 0 && \
117 ((uint8_t *) (a))[12] == 0 && ((uint8_t *) (a))[13] == 0 && \
118 ((uint8_t *) (a))[14] == 0 && ((uint8_t *) (a))[15] == 1 )
119
120#define IN6_IS_ADDR_MULTICAST(a) (((uint8_t *) (a))[0] == 0xff)
121
122#define IN6_IS_ADDR_LINKLOCAL(a) \
123 ((((uint8_t *) (a))[0]) == 0xfe && (((uint8_t *) (a))[1] & 0xc0) == 0x80)
124
125#define IN6_IS_ADDR_SITELOCAL(a) \
126 ((((uint8_t *) (a))[0]) == 0xfe && (((uint8_t *) (a))[1] & 0xc0) == 0xc0)
127
128#define IN6_IS_ADDR_V4MAPPED(a) \
129 (((uint32_t *) (a))[0] == 0 && ((uint32_t *) (a))[1] == 0 && \
130 ((uint8_t *) (a))[8] == 0 && ((uint8_t *) (a))[9] == 0 && \
131 ((uint8_t *) (a))[10] == 0xff && ((uint8_t *) (a))[11] == 0xff)
132
133#define IN6_IS_ADDR_V4COMPAT(a) \
134 (((uint32_t *) (a))[0] == 0 && ((uint32_t *) (a))[1] == 0 && \
135 ((uint32_t *) (a))[2] == 0 && ((uint8_t *) (a))[15] > 1)
136
137#define IN6_IS_ADDR_MC_NODELOCAL(a) \
138 (IN6_IS_ADDR_MULTICAST(a) && ((((uint8_t *) (a))[1] & 0xf) == 0x1))
139
140#define IN6_IS_ADDR_MC_LINKLOCAL(a) \
141 (IN6_IS_ADDR_MULTICAST(a) && ((((uint8_t *) (a))[1] & 0xf) == 0x2))
142
143#define IN6_IS_ADDR_MC_SITELOCAL(a) \
144 (IN6_IS_ADDR_MULTICAST(a) && ((((uint8_t *) (a))[1] & 0xf) == 0x5))
145
146#define IN6_IS_ADDR_MC_ORGLOCAL(a) \
147 (IN6_IS_ADDR_MULTICAST(a) && ((((uint8_t *) (a))[1] & 0xf) == 0x8))
148
149#define IN6_IS_ADDR_MC_GLOBAL(a) \
150 (IN6_IS_ADDR_MULTICAST(a) && ((((uint8_t *) (a))[1] & 0xf) == 0xe))
151
152#define __ARE_4_EQUAL(a,b) \
153 (!( (0[a]-0[b]) | (1[a]-1[b]) | (2[a]-2[b]) | (3[a]-3[b]) ))
154#define IN6_ARE_ADDR_EQUAL(a,b) \
155 __ARE_4_EQUAL((const uint32_t *)(a), (const uint32_t *)(b))
156
157#define IN_CLASSA(a) ((((in_addr_t)(a)) & 0x80000000) == 0)
158#define IN_CLASSA_NET 0xff000000
159#define IN_CLASSA_NSHIFT 24
160#define IN_CLASSA_HOST (0xffffffff & ~IN_CLASSA_NET)
161#define IN_CLASSA_MAX 128
162#define IN_CLASSB(a) ((((in_addr_t)(a)) & 0xc0000000) == 0x80000000)
163#define IN_CLASSB_NET 0xffff0000
164#define IN_CLASSB_NSHIFT 16
165#define IN_CLASSB_HOST (0xffffffff & ~IN_CLASSB_NET)
166#define IN_CLASSB_MAX 65536
167#define IN_CLASSC(a) ((((in_addr_t)(a)) & 0xe0000000) == 0xc0000000)
168#define IN_CLASSC_NET 0xffffff00
169#define IN_CLASSC_NSHIFT 8
170#define IN_CLASSC_HOST (0xffffffff & ~IN_CLASSC_NET)
171#define IN_CLASSD(a) ((((in_addr_t)(a)) & 0xf0000000) == 0xe0000000)
172#define IN_MULTICAST(a) IN_CLASSD(a)
173#define IN_EXPERIMENTAL(a) ((((in_addr_t)(a)) & 0xe0000000) == 0xe0000000)
174#define IN_BADCLASS(a) ((((in_addr_t)(a)) & 0xf0000000) == 0xf0000000)
175
176#define IN_LOOPBACKNET 127
177
178
179#define IP_TOS 1
180#define IP_TTL 2
181#define IP_HDRINCL 3
182#define IP_OPTIONS 4
183#define IP_ROUTER_ALERT 5
184#define IP_RECVOPTS 6
185#define IP_RETOPTS 7
186#define IP_PKTINFO 8
187#define IP_PKTOPTIONS 9
188#define IP_PMTUDISC 10
189#define IP_MTU_DISCOVER 10
190#define IP_RECVERR 11
191#define IP_RECVTTL 12
192#define IP_RECVTOS 13
193#define IP_MTU 14
194#define IP_FREEBIND 15
195#define IP_IPSEC_POLICY 16
196#define IP_XFRM_POLICY 17
197#define IP_PASSSEC 18
198#define IP_TRANSPARENT 19
199#define IP_ORIGDSTADDR 20
200#define IP_RECVORIGDSTADDR IP_ORIGDSTADDR
201#define IP_MINTTL 21
202#define IP_NODEFRAG 22
203#define IP_CHECKSUM 23
204#define IP_BIND_ADDRESS_NO_PORT 24
205#define IP_RECVFRAGSIZE 25
206#define IP_RECVERR_RFC4884 26
207#define IP_MULTICAST_IF 32
208#define IP_MULTICAST_TTL 33
209#define IP_MULTICAST_LOOP 34
210#define IP_ADD_MEMBERSHIP 35
211#define IP_DROP_MEMBERSHIP 36
212#define IP_UNBLOCK_SOURCE 37
213#define IP_BLOCK_SOURCE 38
214#define IP_ADD_SOURCE_MEMBERSHIP 39
215#define IP_DROP_SOURCE_MEMBERSHIP 40
216#define IP_MSFILTER 41
217#define IP_MULTICAST_ALL 49
218#define IP_UNICAST_IF 50
219
220#define IP_RECVRETOPTS IP_RETOPTS
221
222#define IP_PMTUDISC_DONT 0
223#define IP_PMTUDISC_WANT 1
224#define IP_PMTUDISC_DO 2
225#define IP_PMTUDISC_PROBE 3
226#define IP_PMTUDISC_INTERFACE 4
227#define IP_PMTUDISC_OMIT 5
228
229#define IP_DEFAULT_MULTICAST_TTL 1
230#define IP_DEFAULT_MULTICAST_LOOP 1
231#define IP_MAX_MEMBERSHIPS 20
232
233struct ip_opts {
234 struct in_addr ip_dst;
235 char ip_opts[40];
236};
237
238#if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
239
240#define MCAST_JOIN_GROUP 42
241#define MCAST_BLOCK_SOURCE 43
242#define MCAST_UNBLOCK_SOURCE 44
243#define MCAST_LEAVE_GROUP 45
244#define MCAST_JOIN_SOURCE_GROUP 46
245#define MCAST_LEAVE_SOURCE_GROUP 47
246#define MCAST_MSFILTER 48
247
248#define MCAST_EXCLUDE 0
249#define MCAST_INCLUDE 1
250
251struct ip_mreq {
252 struct in_addr imr_multiaddr;
253 struct in_addr imr_interface;
254};
255
256struct ip_mreqn {
257 struct in_addr imr_multiaddr;
258 struct in_addr imr_address;
259 int imr_ifindex;
260};
261
262struct ip_mreq_source {
263 struct in_addr imr_multiaddr;
264 struct in_addr imr_interface;
265 struct in_addr imr_sourceaddr;
266};
267
268struct ip_msfilter {
269 struct in_addr imsf_multiaddr;
270 struct in_addr imsf_interface;
271 uint32_t imsf_fmode;
272 uint32_t imsf_numsrc;
273 struct in_addr imsf_slist[1];
274};
275#define IP_MSFILTER_SIZE(numsrc) \
276 (sizeof(struct ip_msfilter) - sizeof(struct in_addr) \
277 + (numsrc) * sizeof(struct in_addr))
278
279struct group_req {
280 uint32_t gr_interface;
281 struct sockaddr_storage gr_group;
282};
283
284struct group_source_req {
285 uint32_t gsr_interface;
286 struct sockaddr_storage gsr_group;
287 struct sockaddr_storage gsr_source;
288};
289
290struct group_filter {
291 uint32_t gf_interface;
292 struct sockaddr_storage gf_group;
293 uint32_t gf_fmode;
294 uint32_t gf_numsrc;
295 struct sockaddr_storage gf_slist[1];
296};
297#define GROUP_FILTER_SIZE(numsrc) \
298 (sizeof(struct group_filter) - sizeof(struct sockaddr_storage) \
299 + (numsrc) * sizeof(struct sockaddr_storage))
300
301struct in_pktinfo {
302 int ipi_ifindex;
303 struct in_addr ipi_spec_dst;
304 struct in_addr ipi_addr;
305};
306
307struct in6_pktinfo {
308 struct in6_addr ipi6_addr;
309 unsigned ipi6_ifindex;
310};
311
312struct ip6_mtuinfo {
313 struct sockaddr_in6 ip6m_addr;
314 uint32_t ip6m_mtu;
315};
316#endif
317
318#define IPV6_ADDRFORM 1
319#define IPV6_2292PKTINFO 2
320#define IPV6_2292HOPOPTS 3
321#define IPV6_2292DSTOPTS 4
322#define IPV6_2292RTHDR 5
323#define IPV6_2292PKTOPTIONS 6
324#define IPV6_CHECKSUM 7
325#define IPV6_2292HOPLIMIT 8
326#define IPV6_NEXTHOP 9
327#define IPV6_AUTHHDR 10
328#define IPV6_UNICAST_HOPS 16
329#define IPV6_MULTICAST_IF 17
330#define IPV6_MULTICAST_HOPS 18
331#define IPV6_MULTICAST_LOOP 19
332#define IPV6_JOIN_GROUP 20
333#define IPV6_LEAVE_GROUP 21
334#define IPV6_ROUTER_ALERT 22
335#define IPV6_MTU_DISCOVER 23
336#define IPV6_MTU 24
337#define IPV6_RECVERR 25
338#define IPV6_V6ONLY 26
339#define IPV6_JOIN_ANYCAST 27
340#define IPV6_LEAVE_ANYCAST 28
341#define IPV6_MULTICAST_ALL 29
342#define IPV6_ROUTER_ALERT_ISOLATE 30
343#define IPV6_IPSEC_POLICY 34
344#define IPV6_XFRM_POLICY 35
345#define IPV6_HDRINCL 36
346
347#define IPV6_RECVPKTINFO 49
348#define IPV6_PKTINFO 50
349#define IPV6_RECVHOPLIMIT 51
350#define IPV6_HOPLIMIT 52
351#define IPV6_RECVHOPOPTS 53
352#define IPV6_HOPOPTS 54
353#define IPV6_RTHDRDSTOPTS 55
354#define IPV6_RECVRTHDR 56
355#define IPV6_RTHDR 57
356#define IPV6_RECVDSTOPTS 58
357#define IPV6_DSTOPTS 59
358#define IPV6_RECVPATHMTU 60
359#define IPV6_PATHMTU 61
360#define IPV6_DONTFRAG 62
361#define IPV6_RECVTCLASS 66
362#define IPV6_TCLASS 67
363#define IPV6_AUTOFLOWLABEL 70
364#define IPV6_ADDR_PREFERENCES 72
365#define IPV6_MINHOPCOUNT 73
366#define IPV6_ORIGDSTADDR 74
367#define IPV6_RECVORIGDSTADDR IPV6_ORIGDSTADDR
368#define IPV6_TRANSPARENT 75
369#define IPV6_UNICAST_IF 76
370#define IPV6_RECVFRAGSIZE 77
371#define IPV6_FREEBIND 78
372
373#define IPV6_ADD_MEMBERSHIP IPV6_JOIN_GROUP
374#define IPV6_DROP_MEMBERSHIP IPV6_LEAVE_GROUP
375#define IPV6_RXHOPOPTS IPV6_HOPOPTS
376#define IPV6_RXDSTOPTS IPV6_DSTOPTS
377
378#define IPV6_PMTUDISC_DONT 0
379#define IPV6_PMTUDISC_WANT 1
380#define IPV6_PMTUDISC_DO 2
381#define IPV6_PMTUDISC_PROBE 3
382#define IPV6_PMTUDISC_INTERFACE 4
383#define IPV6_PMTUDISC_OMIT 5
384
385#define IPV6_PREFER_SRC_TMP 0x0001
386#define IPV6_PREFER_SRC_PUBLIC 0x0002
387#define IPV6_PREFER_SRC_PUBTMP_DEFAULT 0x0100
388#define IPV6_PREFER_SRC_COA 0x0004
389#define IPV6_PREFER_SRC_HOME 0x0400
390#define IPV6_PREFER_SRC_CGA 0x0008
391#define IPV6_PREFER_SRC_NONCGA 0x0800
392
393#define IPV6_RTHDR_LOOSE 0
394#define IPV6_RTHDR_STRICT 1
395
396#define IPV6_RTHDR_TYPE_0 0
397
398#define __UAPI_DEF_IN_ADDR 0
399#define __UAPI_DEF_IN_IPPROTO 0
400#define __UAPI_DEF_IN_PKTINFO 0
401#define __UAPI_DEF_IP_MREQ 0
402#define __UAPI_DEF_SOCKADDR_IN 0
403#define __UAPI_DEF_IN_CLASS 0
404#define __UAPI_DEF_IN6_ADDR 0
405#define __UAPI_DEF_IN6_ADDR_ALT 0
406#define __UAPI_DEF_SOCKADDR_IN6 0
407#define __UAPI_DEF_IPV6_MREQ 0
408#define __UAPI_DEF_IPPROTO_V6 0
409#define __UAPI_DEF_IPV6_OPTIONS 0
410#define __UAPI_DEF_IN6_PKTINFO 0
411#define __UAPI_DEF_IP6_MTUINFO 0
412
413#ifdef __cplusplus
414}
415#endif
416
417#endif