1 /* Copyright (C) 1991-2014 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Lesser General Public
6 License as published by the Free Software Foundation; either
7 version 2.1 of the License, or (at your option) any later version.
9 The GNU C Library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Lesser General Public License for more details.
14 You should have received a copy of the GNU Lesser General Public
15 License along with the GNU C Library; if not, see
16 <http://www.gnu.org/licenses/>. */
19 #define _NETINET_IN_H 1
23 #include <sys/socket.h>
24 #include <bits/types.h>
29 /* Internet address. */
30 typedef uint32_t in_addr_t;
36 /* Get system-specific definitions. */
39 /* Standard well-defined IP protocols. */
42 IPPROTO_IP = 0, /* Dummy protocol for TCP. */
43 #define IPPROTO_IP IPPROTO_IP
44 IPPROTO_ICMP = 1, /* Internet Control Message Protocol. */
45 #define IPPROTO_ICMP IPPROTO_ICMP
46 IPPROTO_IGMP = 2, /* Internet Group Management Protocol. */
47 #define IPPROTO_IGMP IPPROTO_IGMP
48 IPPROTO_IPIP = 4, /* IPIP tunnels (older KA9Q tunnels use 94). */
49 #define IPPROTO_IPIP IPPROTO_IPIP
50 IPPROTO_TCP = 6, /* Transmission Control Protocol. */
51 #define IPPROTO_TCP IPPROTO_TCP
52 IPPROTO_EGP = 8, /* Exterior Gateway Protocol. */
53 #define IPPROTO_EGP IPPROTO_EGP
54 IPPROTO_PUP = 12, /* PUP protocol. */
55 #define IPPROTO_PUP IPPROTO_PUP
56 IPPROTO_UDP = 17, /* User Datagram Protocol. */
57 #define IPPROTO_UDP IPPROTO_UDP
58 IPPROTO_IDP = 22, /* XNS IDP protocol. */
59 #define IPPROTO_IDP IPPROTO_IDP
60 IPPROTO_TP = 29, /* SO Transport Protocol Class 4. */
61 #define IPPROTO_TP IPPROTO_TP
62 IPPROTO_DCCP = 33, /* Datagram Congestion Control Protocol. */
63 #define IPPROTO_DCCP IPPROTO_DCCP
64 IPPROTO_IPV6 = 41, /* IPv6 header. */
65 #define IPPROTO_IPV6 IPPROTO_IPV6
66 IPPROTO_RSVP = 46, /* Reservation Protocol. */
67 #define IPPROTO_RSVP IPPROTO_RSVP
68 IPPROTO_GRE = 47, /* General Routing Encapsulation. */
69 #define IPPROTO_GRE IPPROTO_GRE
70 IPPROTO_ESP = 50, /* encapsulating security payload. */
71 #define IPPROTO_ESP IPPROTO_ESP
72 IPPROTO_AH = 51, /* authentication header. */
73 #define IPPROTO_AH IPPROTO_AH
74 IPPROTO_MTP = 92, /* Multicast Transport Protocol. */
75 #define IPPROTO_MTP IPPROTO_MTP
76 IPPROTO_BEETPH = 94, /* IP option pseudo header for BEET. */
77 #define IPPROTO_BEETPH IPPROTO_BEETPH
78 IPPROTO_ENCAP = 98, /* Encapsulation Header. */
79 #define IPPROTO_ENCAP IPPROTO_ENCAP
80 IPPROTO_PIM = 103, /* Protocol Independent Multicast. */
81 #define IPPROTO_PIM IPPROTO_PIM
82 IPPROTO_COMP = 108, /* Compression Header Protocol. */
83 #define IPPROTO_COMP IPPROTO_COMP
84 IPPROTO_SCTP = 132, /* Stream Control Transmission Protocol. */
85 #define IPPROTO_SCTP IPPROTO_SCTP
86 IPPROTO_UDPLITE = 136, /* UDP-Lite protocol. */
87 #define IPPROTO_UDPLITE IPPROTO_UDPLITE
88 IPPROTO_RAW = 255, /* Raw IP packets. */
89 #define IPPROTO_RAW IPPROTO_RAW
93 /* If __USE_KERNEL_IPV6_DEFS is defined then the user has included the kernel
94 network headers first and we should use those ABI-identical definitions
95 instead of our own. */
96 #ifndef __USE_KERNEL_IPV6_DEFS
99 IPPROTO_HOPOPTS = 0, /* IPv6 Hop-by-Hop options. */
100 #define IPPROTO_HOPOPTS IPPROTO_HOPOPTS
101 IPPROTO_ROUTING = 43, /* IPv6 routing header. */
102 #define IPPROTO_ROUTING IPPROTO_ROUTING
103 IPPROTO_FRAGMENT = 44, /* IPv6 fragmentation header. */
104 #define IPPROTO_FRAGMENT IPPROTO_FRAGMENT
105 IPPROTO_ICMPV6 = 58, /* ICMPv6. */
106 #define IPPROTO_ICMPV6 IPPROTO_ICMPV6
107 IPPROTO_NONE = 59, /* IPv6 no next header. */
108 #define IPPROTO_NONE IPPROTO_NONE
109 IPPROTO_DSTOPTS = 60, /* IPv6 destination options. */
110 #define IPPROTO_DSTOPTS IPPROTO_DSTOPTS
111 IPPROTO_MH = 135 /* IPv6 mobility header. */
112 #define IPPROTO_MH IPPROTO_MH
114 #endif /* !__USE_KERNEL_IPV6_DEFS */
116 /* Type to represent a port. */
117 typedef uint16_t in_port_t;
119 /* Standard well-known ports. */
122 IPPORT_ECHO = 7, /* Echo service. */
123 IPPORT_DISCARD = 9, /* Discard transmissions service. */
124 IPPORT_SYSTAT = 11, /* System status service. */
125 IPPORT_DAYTIME = 13, /* Time of day service. */
126 IPPORT_NETSTAT = 15, /* Network status service. */
127 IPPORT_FTP = 21, /* File Transfer Protocol. */
128 IPPORT_TELNET = 23, /* Telnet protocol. */
129 IPPORT_SMTP = 25, /* Simple Mail Transfer Protocol. */
130 IPPORT_TIMESERVER = 37, /* Timeserver service. */
131 IPPORT_NAMESERVER = 42, /* Domain Name Service. */
132 IPPORT_WHOIS = 43, /* Internet Whois service. */
135 IPPORT_TFTP = 69, /* Trivial File Transfer Protocol. */
137 IPPORT_FINGER = 79, /* Finger service. */
139 IPPORT_SUPDUP = 95, /* SUPDUP protocol. */
142 IPPORT_EXECSERVER = 512, /* execd service. */
143 IPPORT_LOGINSERVER = 513, /* rlogind service. */
144 IPPORT_CMDSERVER = 514,
145 IPPORT_EFSSERVER = 520,
148 IPPORT_BIFFUDP = 512,
149 IPPORT_WHOSERVER = 513,
150 IPPORT_ROUTESERVER = 520,
152 /* Ports less than this value are reserved for privileged processes. */
153 IPPORT_RESERVED = 1024,
155 /* Ports greater this value are reserved for (non-privileged) servers. */
156 IPPORT_USERRESERVED = 5000
159 /* Definitions of the bits in an Internet address integer.
161 On subnets, host and network parts are found according to
162 the subnet mask, not these masks. */
164 #define IN_CLASSA(a) ((((in_addr_t)(a)) & 0x80000000) == 0)
165 #define IN_CLASSA_NET 0xff000000
166 #define IN_CLASSA_NSHIFT 24
167 #define IN_CLASSA_HOST (0xffffffff & ~IN_CLASSA_NET)
168 #define IN_CLASSA_MAX 128
170 #define IN_CLASSB(a) ((((in_addr_t)(a)) & 0xc0000000) == 0x80000000)
171 #define IN_CLASSB_NET 0xffff0000
172 #define IN_CLASSB_NSHIFT 16
173 #define IN_CLASSB_HOST (0xffffffff & ~IN_CLASSB_NET)
174 #define IN_CLASSB_MAX 65536
176 #define IN_CLASSC(a) ((((in_addr_t)(a)) & 0xe0000000) == 0xc0000000)
177 #define IN_CLASSC_NET 0xffffff00
178 #define IN_CLASSC_NSHIFT 8
179 #define IN_CLASSC_HOST (0xffffffff & ~IN_CLASSC_NET)
181 #define IN_CLASSD(a) ((((in_addr_t)(a)) & 0xf0000000) == 0xe0000000)
182 #define IN_MULTICAST(a) IN_CLASSD(a)
184 #define IN_EXPERIMENTAL(a) ((((in_addr_t)(a)) & 0xe0000000) == 0xe0000000)
185 #define IN_BADCLASS(a) ((((in_addr_t)(a)) & 0xf0000000) == 0xf0000000)
187 /* Address to accept any incoming messages. */
188 #define INADDR_ANY ((in_addr_t) 0x00000000)
189 /* Address to send to all hosts. */
190 #define INADDR_BROADCAST ((in_addr_t) 0xffffffff)
191 /* Address indicating an error return. */
192 #define INADDR_NONE ((in_addr_t) 0xffffffff)
194 /* Network number for local host loopback. */
195 #define IN_LOOPBACKNET 127
196 /* Address to loopback in software to local host. */
197 #ifndef INADDR_LOOPBACK
198 # define INADDR_LOOPBACK ((in_addr_t) 0x7f000001) /* Inet 127.0.0.1. */
201 /* Defines for Multicast INADDR. */
202 #define INADDR_UNSPEC_GROUP ((in_addr_t) 0xe0000000) /* 224.0.0.0 */
203 #define INADDR_ALLHOSTS_GROUP ((in_addr_t) 0xe0000001) /* 224.0.0.1 */
204 #define INADDR_ALLRTRS_GROUP ((in_addr_t) 0xe0000002) /* 224.0.0.2 */
205 #define INADDR_MAX_LOCAL_GROUP ((in_addr_t) 0xe00000ff) /* 224.0.0.255 */
207 #ifndef __USE_KERNEL_IPV6_DEFS
213 uint8_t __u6_addr8[16];
214 #if defined __USE_MISC || defined __USE_GNU
215 uint16_t __u6_addr16[8];
216 uint32_t __u6_addr32[4];
219 #define s6_addr __in6_u.__u6_addr8
220 #if defined __USE_MISC || defined __USE_GNU
221 # define s6_addr16 __in6_u.__u6_addr16
222 # define s6_addr32 __in6_u.__u6_addr32
225 #endif /* !__USE_KERNEL_IPV6_DEFS */
227 extern const struct in6_addr in6addr_any; /* :: */
228 extern const struct in6_addr in6addr_loopback; /* ::1 */
229 #define IN6ADDR_ANY_INIT { { { 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 } } }
230 #define IN6ADDR_LOOPBACK_INIT { { { 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1 } } }
232 #define INET_ADDRSTRLEN 16
233 #define INET6_ADDRSTRLEN 46
236 /* Structure describing an Internet socket address. */
239 __SOCKADDR_COMMON (sin_);
240 in_port_t sin_port; /* Port number. */
241 struct in_addr sin_addr; /* Internet address. */
243 /* Pad to size of `struct sockaddr'. */
244 unsigned char sin_zero[sizeof (struct sockaddr) -
245 __SOCKADDR_COMMON_SIZE -
247 sizeof (struct in_addr)];
250 #ifndef __USE_KERNEL_IPV6_DEFS
251 /* Ditto, for IPv6. */
254 __SOCKADDR_COMMON (sin6_);
255 in_port_t sin6_port; /* Transport layer port # */
256 uint32_t sin6_flowinfo; /* IPv6 flow information */
257 struct in6_addr sin6_addr; /* IPv6 address */
258 uint32_t sin6_scope_id; /* IPv6 scope-id */
260 #endif /* !__USE_KERNEL_IPV6_DEFS */
262 #if defined __USE_MISC || defined __USE_GNU
263 /* IPv4 multicast request. */
266 /* IP multicast address of group. */
267 struct in_addr imr_multiaddr;
269 /* Local IP address of interface. */
270 struct in_addr imr_interface;
273 struct ip_mreq_source
275 /* IP multicast address of group. */
276 struct in_addr imr_multiaddr;
278 /* IP address of source. */
279 struct in_addr imr_interface;
281 /* IP address of interface. */
282 struct in_addr imr_sourceaddr;
286 #ifndef __USE_KERNEL_IPV6_DEFS
287 /* Likewise, for IPv6. */
290 /* IPv6 multicast address of group */
291 struct in6_addr ipv6mr_multiaddr;
293 /* local interface */
294 unsigned int ipv6mr_interface;
296 #endif /* !__USE_KERNEL_IPV6_DEFS */
298 #if defined __USE_MISC || defined __USE_GNU
299 /* Multicast group request. */
302 /* Interface index. */
303 uint32_t gr_interface;
306 struct sockaddr_storage gr_group;
309 struct group_source_req
311 /* Interface index. */
312 uint32_t gsr_interface;
315 struct sockaddr_storage gsr_group;
317 /* Source address. */
318 struct sockaddr_storage gsr_source;
322 /* Full-state filter operations. */
325 /* IP multicast address of group. */
326 struct in_addr imsf_multiaddr;
328 /* Local IP address of interface. */
329 struct in_addr imsf_interface;
334 /* Number of source addresses. */
335 uint32_t imsf_numsrc;
336 /* Source addresses. */
337 struct in_addr imsf_slist[1];
340 #define IP_MSFILTER_SIZE(numsrc) (sizeof (struct ip_msfilter) \
341 - sizeof (struct in_addr) \
342 + (numsrc) * sizeof (struct in_addr))
346 /* Interface index. */
347 uint32_t gf_interface;
350 struct sockaddr_storage gf_group;
355 /* Number of source addresses. */
357 /* Source addresses. */
358 struct sockaddr_storage gf_slist[1];
361 #define GROUP_FILTER_SIZE(numsrc) (sizeof (struct group_filter) \
362 - sizeof (struct sockaddr_storage) \
364 * sizeof (struct sockaddr_storage)))
367 /* Functions to convert between host and network byte order.
369 Please note that these functions normally take `unsigned long int' or
370 `unsigned short int' values as arguments and also return them. But
371 this was a short-sighted decision since on different systems the types
372 may have different representations but the values are always the same. */
374 extern uint32_t ntohl (uint32_t __netlong) __THROW __attribute__ ((__const__));
375 extern uint16_t ntohs (uint16_t __netshort)
376 __THROW __attribute__ ((__const__));
377 extern uint32_t htonl (uint32_t __hostlong)
378 __THROW __attribute__ ((__const__));
379 extern uint16_t htons (uint16_t __hostshort)
380 __THROW __attribute__ ((__const__));
384 /* Get machine dependent optimized versions of byte swapping functions. */
385 #include <bits/byteswap.h>
388 /* We can optimize calls to the conversion functions. Either nothing has
389 to be done or we are using directly the byte-swapping functions which
390 often can be inlined. */
391 # if __BYTE_ORDER == __BIG_ENDIAN
392 /* The host byte order is the same as network byte order,
393 so these functions are all just identity. */
394 # define ntohl(x) (x)
395 # define ntohs(x) (x)
396 # define htonl(x) (x)
397 # define htons(x) (x)
399 # if __BYTE_ORDER == __LITTLE_ENDIAN
400 # define ntohl(x) __bswap_32 (x)
401 # define ntohs(x) __bswap_16 (x)
402 # define htonl(x) __bswap_32 (x)
403 # define htons(x) __bswap_16 (x)
409 # define IN6_IS_ADDR_UNSPECIFIED(a) \
411 ({ const struct in6_addr *__a = (const struct in6_addr *) (a); \
412 __a->s6_addr32[0] == 0 \
413 && __a->s6_addr32[1] == 0 \
414 && __a->s6_addr32[2] == 0 \
415 && __a->s6_addr32[3] == 0; }))
417 # define IN6_IS_ADDR_LOOPBACK(a) \
419 ({ const struct in6_addr *__a = (const struct in6_addr *) (a); \
420 __a->s6_addr32[0] == 0 \
421 && __a->s6_addr32[1] == 0 \
422 && __a->s6_addr32[2] == 0 \
423 && __a->s6_addr32[3] == htonl (1); }))
425 # define IN6_IS_ADDR_LINKLOCAL(a) \
427 ({ const struct in6_addr *__a = (const struct in6_addr *) (a); \
428 (__a->s6_addr32[0] & htonl (0xffc00000)) == htonl (0xfe800000); }))
430 # define IN6_IS_ADDR_SITELOCAL(a) \
432 ({ const struct in6_addr *__a = (const struct in6_addr *) (a); \
433 (__a->s6_addr32[0] & htonl (0xffc00000)) == htonl (0xfec00000); }))
435 # define IN6_IS_ADDR_V4MAPPED(a) \
437 ({ const struct in6_addr *__a = (const struct in6_addr *) (a); \
438 __a->s6_addr32[0] == 0 \
439 && __a->s6_addr32[1] == 0 \
440 && __a->s6_addr32[2] == htonl (0xffff); }))
442 # define IN6_IS_ADDR_V4COMPAT(a) \
444 ({ const struct in6_addr *__a = (const struct in6_addr *) (a); \
445 __a->s6_addr32[0] == 0 \
446 && __a->s6_addr32[1] == 0 \
447 && __a->s6_addr32[2] == 0 \
448 && ntohl (__a->s6_addr32[3]) > 1; }))
450 # define IN6_ARE_ADDR_EQUAL(a,b) \
452 ({ const struct in6_addr *__a = (const struct in6_addr *) (a); \
453 const struct in6_addr *__b = (const struct in6_addr *) (b); \
454 __a->s6_addr32[0] == __b->s6_addr32[0] \
455 && __a->s6_addr32[1] == __b->s6_addr32[1] \
456 && __a->s6_addr32[2] == __b->s6_addr32[2] \
457 && __a->s6_addr32[3] == __b->s6_addr32[3]; }))
459 # define IN6_IS_ADDR_UNSPECIFIED(a) \
460 (((const uint32_t *) (a))[0] == 0 \
461 && ((const uint32_t *) (a))[1] == 0 \
462 && ((const uint32_t *) (a))[2] == 0 \
463 && ((const uint32_t *) (a))[3] == 0)
465 # define IN6_IS_ADDR_LOOPBACK(a) \
466 (((const uint32_t *) (a))[0] == 0 \
467 && ((const uint32_t *) (a))[1] == 0 \
468 && ((const uint32_t *) (a))[2] == 0 \
469 && ((const uint32_t *) (a))[3] == htonl (1))
471 # define IN6_IS_ADDR_LINKLOCAL(a) \
472 ((((const uint32_t *) (a))[0] & htonl (0xffc00000)) \
473 == htonl (0xfe800000))
475 # define IN6_IS_ADDR_SITELOCAL(a) \
476 ((((const uint32_t *) (a))[0] & htonl (0xffc00000)) \
477 == htonl (0xfec00000))
479 # define IN6_IS_ADDR_V4MAPPED(a) \
480 ((((const uint32_t *) (a))[0] == 0) \
481 && (((const uint32_t *) (a))[1] == 0) \
482 && (((const uint32_t *) (a))[2] == htonl (0xffff)))
484 # define IN6_IS_ADDR_V4COMPAT(a) \
485 ((((const uint32_t *) (a))[0] == 0) \
486 && (((const uint32_t *) (a))[1] == 0) \
487 && (((const uint32_t *) (a))[2] == 0) \
488 && (ntohl (((const uint32_t *) (a))[3]) > 1))
490 # define IN6_ARE_ADDR_EQUAL(a,b) \
491 ((((const uint32_t *) (a))[0] == ((const uint32_t *) (b))[0]) \
492 && (((const uint32_t *) (a))[1] == ((const uint32_t *) (b))[1]) \
493 && (((const uint32_t *) (a))[2] == ((const uint32_t *) (b))[2]) \
494 && (((const uint32_t *) (a))[3] == ((const uint32_t *) (b))[3]))
497 #define IN6_IS_ADDR_MULTICAST(a) (((const uint8_t *) (a))[0] == 0xff)
499 #if defined __USE_MISC || defined __USE_GNU
500 /* Bind socket to a privileged IP port. */
501 extern int bindresvport (int __sockfd, struct sockaddr_in *__sock_in) __THROW;
503 /* The IPv6 version of this function. */
504 extern int bindresvport6 (int __sockfd, struct sockaddr_in6 *__sock_in)
509 #define IN6_IS_ADDR_MC_NODELOCAL(a) \
510 (IN6_IS_ADDR_MULTICAST(a) \
511 && ((((const uint8_t *) (a))[1] & 0xf) == 0x1))
513 #define IN6_IS_ADDR_MC_LINKLOCAL(a) \
514 (IN6_IS_ADDR_MULTICAST(a) \
515 && ((((const uint8_t *) (a))[1] & 0xf) == 0x2))
517 #define IN6_IS_ADDR_MC_SITELOCAL(a) \
518 (IN6_IS_ADDR_MULTICAST(a) \
519 && ((((const uint8_t *) (a))[1] & 0xf) == 0x5))
521 #define IN6_IS_ADDR_MC_ORGLOCAL(a) \
522 (IN6_IS_ADDR_MULTICAST(a) \
523 && ((((const uint8_t *) (a))[1] & 0xf) == 0x8))
525 #define IN6_IS_ADDR_MC_GLOBAL(a) \
526 (IN6_IS_ADDR_MULTICAST(a) \
527 && ((((const uint8_t *) (a))[1] & 0xf) == 0xe))
531 struct cmsghdr; /* Forward declaration. */
533 /* IPv6 packet information. */
536 struct in6_addr ipi6_addr; /* src/dst IPv6 address */
537 unsigned int ipi6_ifindex; /* send/recv interface index */
540 /* IPv6 MTU information. */
543 struct sockaddr_in6 ip6m_addr; /* dst address including zone ID */
544 uint32_t ip6m_mtu; /* path MTU in host byte order */
548 /* Obsolete hop-by-hop and Destination Options Processing (RFC 2292). */
549 extern int inet6_option_space (int __nbytes)
550 __THROW __attribute_deprecated__;
551 extern int inet6_option_init (void *__bp, struct cmsghdr **__cmsgp,
552 int __type) __THROW __attribute_deprecated__;
553 extern int inet6_option_append (struct cmsghdr *__cmsg,
554 const uint8_t *__typep, int __multx,
555 int __plusy) __THROW __attribute_deprecated__;
556 extern uint8_t *inet6_option_alloc (struct cmsghdr *__cmsg, int __datalen,
557 int __multx, int __plusy)
558 __THROW __attribute_deprecated__;
559 extern int inet6_option_next (const struct cmsghdr *__cmsg,
561 __THROW __attribute_deprecated__;
562 extern int inet6_option_find (const struct cmsghdr *__cmsg,
563 uint8_t **__tptrp, int __type)
564 __THROW __attribute_deprecated__;
567 /* Hop-by-Hop and Destination Options Processing (RFC 3542). */
568 extern int inet6_opt_init (void *__extbuf, socklen_t __extlen) __THROW;
569 extern int inet6_opt_append (void *__extbuf, socklen_t __extlen, int __offset,
570 uint8_t __type, socklen_t __len, uint8_t __align,
571 void **__databufp) __THROW;
572 extern int inet6_opt_finish (void *__extbuf, socklen_t __extlen, int __offset)
574 extern int inet6_opt_set_val (void *__databuf, int __offset, void *__val,
575 socklen_t __vallen) __THROW;
576 extern int inet6_opt_next (void *__extbuf, socklen_t __extlen, int __offset,
577 uint8_t *__typep, socklen_t *__lenp,
578 void **__databufp) __THROW;
579 extern int inet6_opt_find (void *__extbuf, socklen_t __extlen, int __offset,
580 uint8_t __type, socklen_t *__lenp,
581 void **__databufp) __THROW;
582 extern int inet6_opt_get_val (void *__databuf, int __offset, void *__val,
583 socklen_t __vallen) __THROW;
586 /* Routing Header Option (RFC 3542). */
587 extern socklen_t inet6_rth_space (int __type, int __segments) __THROW;
588 extern void *inet6_rth_init (void *__bp, socklen_t __bp_len, int __type,
589 int __segments) __THROW;
590 extern int inet6_rth_add (void *__bp, const struct in6_addr *__addr) __THROW;
591 extern int inet6_rth_reverse (const void *__in, void *__out) __THROW;
592 extern int inet6_rth_segments (const void *__bp) __THROW;
593 extern struct in6_addr *inet6_rth_getaddr (const void *__bp, int __index)
597 /* Multicast source filter support. */
599 /* Get IPv4 source filter. */
600 extern int getipv4sourcefilter (int __s, struct in_addr __interface_addr,
601 struct in_addr __group, uint32_t *__fmode,
602 uint32_t *__numsrc, struct in_addr *__slist)
605 /* Set IPv4 source filter. */
606 extern int setipv4sourcefilter (int __s, struct in_addr __interface_addr,
607 struct in_addr __group, uint32_t __fmode,
609 const struct in_addr *__slist)
613 /* Get source filter. */
614 extern int getsourcefilter (int __s, uint32_t __interface_addr,
615 const struct sockaddr *__group,
616 socklen_t __grouplen, uint32_t *__fmode,
618 struct sockaddr_storage *__slist) __THROW;
620 /* Set source filter. */
621 extern int setsourcefilter (int __s, uint32_t __interface_addr,
622 const struct sockaddr *__group,
623 socklen_t __grouplen, uint32_t __fmode,
625 const struct sockaddr_storage *__slist) __THROW;
630 #endif /* netinet/in.h */