| /* Copyright (C) 1991-2014 Free Software Foundation, Inc. |
| This file is part of the GNU C Library. |
| |
| The GNU C Library is free software; you can redistribute it and/or |
| modify it under the terms of the GNU Lesser General Public |
| License as published by the Free Software Foundation; either |
| version 2.1 of the License, or (at your option) any later version. |
| |
| The GNU C Library is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| Lesser General Public License for more details. |
| |
| You should have received a copy of the GNU Lesser General Public |
| License along with the GNU C Library; if not, see |
| <http://www.gnu.org/licenses/>. */ |
| |
| #ifndef _NETINET_IN_H |
| #define _NETINET_IN_H 1 |
| |
| #include <features.h> |
| #include <stdint.h> |
| #include <sys/socket.h> |
| #include <bits/types.h> |
| |
| |
| __BEGIN_DECLS |
| |
| /* Internet address. */ |
| typedef uint32_t in_addr_t; |
| struct in_addr |
| { |
| in_addr_t s_addr; |
| }; |
| |
| /* Get system-specific definitions. */ |
| #include <bits/in.h> |
| |
| /* Standard well-defined IP protocols. */ |
| enum |
| { |
| IPPROTO_IP = 0, /* Dummy protocol for TCP. */ |
| #define IPPROTO_IP IPPROTO_IP |
| IPPROTO_ICMP = 1, /* Internet Control Message Protocol. */ |
| #define IPPROTO_ICMP IPPROTO_ICMP |
| IPPROTO_IGMP = 2, /* Internet Group Management Protocol. */ |
| #define IPPROTO_IGMP IPPROTO_IGMP |
| IPPROTO_IPIP = 4, /* IPIP tunnels (older KA9Q tunnels use 94). */ |
| #define IPPROTO_IPIP IPPROTO_IPIP |
| IPPROTO_TCP = 6, /* Transmission Control Protocol. */ |
| #define IPPROTO_TCP IPPROTO_TCP |
| IPPROTO_EGP = 8, /* Exterior Gateway Protocol. */ |
| #define IPPROTO_EGP IPPROTO_EGP |
| IPPROTO_PUP = 12, /* PUP protocol. */ |
| #define IPPROTO_PUP IPPROTO_PUP |
| IPPROTO_UDP = 17, /* User Datagram Protocol. */ |
| #define IPPROTO_UDP IPPROTO_UDP |
| IPPROTO_IDP = 22, /* XNS IDP protocol. */ |
| #define IPPROTO_IDP IPPROTO_IDP |
| IPPROTO_TP = 29, /* SO Transport Protocol Class 4. */ |
| #define IPPROTO_TP IPPROTO_TP |
| IPPROTO_DCCP = 33, /* Datagram Congestion Control Protocol. */ |
| #define IPPROTO_DCCP IPPROTO_DCCP |
| IPPROTO_IPV6 = 41, /* IPv6 header. */ |
| #define IPPROTO_IPV6 IPPROTO_IPV6 |
| IPPROTO_RSVP = 46, /* Reservation Protocol. */ |
| #define IPPROTO_RSVP IPPROTO_RSVP |
| IPPROTO_GRE = 47, /* General Routing Encapsulation. */ |
| #define IPPROTO_GRE IPPROTO_GRE |
| IPPROTO_ESP = 50, /* encapsulating security payload. */ |
| #define IPPROTO_ESP IPPROTO_ESP |
| IPPROTO_AH = 51, /* authentication header. */ |
| #define IPPROTO_AH IPPROTO_AH |
| IPPROTO_MTP = 92, /* Multicast Transport Protocol. */ |
| #define IPPROTO_MTP IPPROTO_MTP |
| IPPROTO_BEETPH = 94, /* IP option pseudo header for BEET. */ |
| #define IPPROTO_BEETPH IPPROTO_BEETPH |
| IPPROTO_ENCAP = 98, /* Encapsulation Header. */ |
| #define IPPROTO_ENCAP IPPROTO_ENCAP |
| IPPROTO_PIM = 103, /* Protocol Independent Multicast. */ |
| #define IPPROTO_PIM IPPROTO_PIM |
| IPPROTO_COMP = 108, /* Compression Header Protocol. */ |
| #define IPPROTO_COMP IPPROTO_COMP |
| IPPROTO_SCTP = 132, /* Stream Control Transmission Protocol. */ |
| #define IPPROTO_SCTP IPPROTO_SCTP |
| IPPROTO_UDPLITE = 136, /* UDP-Lite protocol. */ |
| #define IPPROTO_UDPLITE IPPROTO_UDPLITE |
| IPPROTO_RAW = 255, /* Raw IP packets. */ |
| #define IPPROTO_RAW IPPROTO_RAW |
| IPPROTO_MAX |
| }; |
| |
| /* If __USE_KERNEL_IPV6_DEFS is defined then the user has included the kernel |
| network headers first and we should use those ABI-identical definitions |
| instead of our own. */ |
| #ifndef __USE_KERNEL_IPV6_DEFS |
| enum |
| { |
| IPPROTO_HOPOPTS = 0, /* IPv6 Hop-by-Hop options. */ |
| #define IPPROTO_HOPOPTS IPPROTO_HOPOPTS |
| IPPROTO_ROUTING = 43, /* IPv6 routing header. */ |
| #define IPPROTO_ROUTING IPPROTO_ROUTING |
| IPPROTO_FRAGMENT = 44, /* IPv6 fragmentation header. */ |
| #define IPPROTO_FRAGMENT IPPROTO_FRAGMENT |
| IPPROTO_ICMPV6 = 58, /* ICMPv6. */ |
| #define IPPROTO_ICMPV6 IPPROTO_ICMPV6 |
| IPPROTO_NONE = 59, /* IPv6 no next header. */ |
| #define IPPROTO_NONE IPPROTO_NONE |
| IPPROTO_DSTOPTS = 60, /* IPv6 destination options. */ |
| #define IPPROTO_DSTOPTS IPPROTO_DSTOPTS |
| IPPROTO_MH = 135 /* IPv6 mobility header. */ |
| #define IPPROTO_MH IPPROTO_MH |
| }; |
| #endif /* !__USE_KERNEL_IPV6_DEFS */ |
| |
| /* Type to represent a port. */ |
| typedef uint16_t in_port_t; |
| |
| /* Standard well-known ports. */ |
| enum |
| { |
| IPPORT_ECHO = 7, /* Echo service. */ |
| IPPORT_DISCARD = 9, /* Discard transmissions service. */ |
| IPPORT_SYSTAT = 11, /* System status service. */ |
| IPPORT_DAYTIME = 13, /* Time of day service. */ |
| IPPORT_NETSTAT = 15, /* Network status service. */ |
| IPPORT_FTP = 21, /* File Transfer Protocol. */ |
| IPPORT_TELNET = 23, /* Telnet protocol. */ |
| IPPORT_SMTP = 25, /* Simple Mail Transfer Protocol. */ |
| IPPORT_TIMESERVER = 37, /* Timeserver service. */ |
| IPPORT_NAMESERVER = 42, /* Domain Name Service. */ |
| IPPORT_WHOIS = 43, /* Internet Whois service. */ |
| IPPORT_MTP = 57, |
| |
| IPPORT_TFTP = 69, /* Trivial File Transfer Protocol. */ |
| IPPORT_RJE = 77, |
| IPPORT_FINGER = 79, /* Finger service. */ |
| IPPORT_TTYLINK = 87, |
| IPPORT_SUPDUP = 95, /* SUPDUP protocol. */ |
| |
| |
| IPPORT_EXECSERVER = 512, /* execd service. */ |
| IPPORT_LOGINSERVER = 513, /* rlogind service. */ |
| IPPORT_CMDSERVER = 514, |
| IPPORT_EFSSERVER = 520, |
| |
| /* UDP ports. */ |
| IPPORT_BIFFUDP = 512, |
| IPPORT_WHOSERVER = 513, |
| IPPORT_ROUTESERVER = 520, |
| |
| /* Ports less than this value are reserved for privileged processes. */ |
| IPPORT_RESERVED = 1024, |
| |
| /* Ports greater this value are reserved for (non-privileged) servers. */ |
| IPPORT_USERRESERVED = 5000 |
| }; |
| |
| /* Definitions of the bits in an Internet address integer. |
| |
| On subnets, host and network parts are found according to |
| the subnet mask, not these masks. */ |
| |
| #define IN_CLASSA(a) ((((in_addr_t)(a)) & 0x80000000) == 0) |
| #define IN_CLASSA_NET 0xff000000 |
| #define IN_CLASSA_NSHIFT 24 |
| #define IN_CLASSA_HOST (0xffffffff & ~IN_CLASSA_NET) |
| #define IN_CLASSA_MAX 128 |
| |
| #define IN_CLASSB(a) ((((in_addr_t)(a)) & 0xc0000000) == 0x80000000) |
| #define IN_CLASSB_NET 0xffff0000 |
| #define IN_CLASSB_NSHIFT 16 |
| #define IN_CLASSB_HOST (0xffffffff & ~IN_CLASSB_NET) |
| #define IN_CLASSB_MAX 65536 |
| |
| #define IN_CLASSC(a) ((((in_addr_t)(a)) & 0xe0000000) == 0xc0000000) |
| #define IN_CLASSC_NET 0xffffff00 |
| #define IN_CLASSC_NSHIFT 8 |
| #define IN_CLASSC_HOST (0xffffffff & ~IN_CLASSC_NET) |
| |
| #define IN_CLASSD(a) ((((in_addr_t)(a)) & 0xf0000000) == 0xe0000000) |
| #define IN_MULTICAST(a) IN_CLASSD(a) |
| |
| #define IN_EXPERIMENTAL(a) ((((in_addr_t)(a)) & 0xe0000000) == 0xe0000000) |
| #define IN_BADCLASS(a) ((((in_addr_t)(a)) & 0xf0000000) == 0xf0000000) |
| |
| /* Address to accept any incoming messages. */ |
| #define INADDR_ANY ((in_addr_t) 0x00000000) |
| /* Address to send to all hosts. */ |
| #define INADDR_BROADCAST ((in_addr_t) 0xffffffff) |
| /* Address indicating an error return. */ |
| #define INADDR_NONE ((in_addr_t) 0xffffffff) |
| |
| /* Network number for local host loopback. */ |
| #define IN_LOOPBACKNET 127 |
| /* Address to loopback in software to local host. */ |
| #ifndef INADDR_LOOPBACK |
| # define INADDR_LOOPBACK ((in_addr_t) 0x7f000001) /* Inet 127.0.0.1. */ |
| #endif |
| |
| /* Defines for Multicast INADDR. */ |
| #define INADDR_UNSPEC_GROUP ((in_addr_t) 0xe0000000) /* 224.0.0.0 */ |
| #define INADDR_ALLHOSTS_GROUP ((in_addr_t) 0xe0000001) /* 224.0.0.1 */ |
| #define INADDR_ALLRTRS_GROUP ((in_addr_t) 0xe0000002) /* 224.0.0.2 */ |
| #define INADDR_MAX_LOCAL_GROUP ((in_addr_t) 0xe00000ff) /* 224.0.0.255 */ |
| |
| #ifndef __USE_KERNEL_IPV6_DEFS |
| /* IPv6 address */ |
| struct in6_addr |
| { |
| union |
| { |
| uint8_t __u6_addr8[16]; |
| #if defined __USE_MISC || defined __USE_GNU |
| uint16_t __u6_addr16[8]; |
| uint32_t __u6_addr32[4]; |
| #endif |
| } __in6_u; |
| #define s6_addr __in6_u.__u6_addr8 |
| #if defined __USE_MISC || defined __USE_GNU |
| # define s6_addr16 __in6_u.__u6_addr16 |
| # define s6_addr32 __in6_u.__u6_addr32 |
| #endif |
| }; |
| #endif /* !__USE_KERNEL_IPV6_DEFS */ |
| |
| extern const struct in6_addr in6addr_any; /* :: */ |
| extern const struct in6_addr in6addr_loopback; /* ::1 */ |
| #define IN6ADDR_ANY_INIT { { { 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 } } } |
| #define IN6ADDR_LOOPBACK_INIT { { { 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1 } } } |
| |
| #define INET_ADDRSTRLEN 16 |
| #define INET6_ADDRSTRLEN 46 |
| |
| |
| /* Structure describing an Internet socket address. */ |
| struct sockaddr_in |
| { |
| __SOCKADDR_COMMON (sin_); |
| in_port_t sin_port; /* Port number. */ |
| struct in_addr sin_addr; /* Internet address. */ |
| |
| /* Pad to size of `struct sockaddr'. */ |
| unsigned char sin_zero[sizeof (struct sockaddr) - |
| __SOCKADDR_COMMON_SIZE - |
| sizeof (in_port_t) - |
| sizeof (struct in_addr)]; |
| }; |
| |
| #ifndef __USE_KERNEL_IPV6_DEFS |
| /* Ditto, for IPv6. */ |
| struct sockaddr_in6 |
| { |
| __SOCKADDR_COMMON (sin6_); |
| in_port_t sin6_port; /* Transport layer port # */ |
| uint32_t sin6_flowinfo; /* IPv6 flow information */ |
| struct in6_addr sin6_addr; /* IPv6 address */ |
| uint32_t sin6_scope_id; /* IPv6 scope-id */ |
| }; |
| #endif /* !__USE_KERNEL_IPV6_DEFS */ |
| |
| #if defined __USE_MISC || defined __USE_GNU |
| /* IPv4 multicast request. */ |
| struct ip_mreq |
| { |
| /* IP multicast address of group. */ |
| struct in_addr imr_multiaddr; |
| |
| /* Local IP address of interface. */ |
| struct in_addr imr_interface; |
| }; |
| |
| struct ip_mreq_source |
| { |
| /* IP multicast address of group. */ |
| struct in_addr imr_multiaddr; |
| |
| /* IP address of source. */ |
| struct in_addr imr_interface; |
| |
| /* IP address of interface. */ |
| struct in_addr imr_sourceaddr; |
| }; |
| #endif |
| |
| #ifndef __USE_KERNEL_IPV6_DEFS |
| /* Likewise, for IPv6. */ |
| struct ipv6_mreq |
| { |
| /* IPv6 multicast address of group */ |
| struct in6_addr ipv6mr_multiaddr; |
| |
| /* local interface */ |
| unsigned int ipv6mr_interface; |
| }; |
| #endif /* !__USE_KERNEL_IPV6_DEFS */ |
| |
| #if defined __USE_MISC || defined __USE_GNU |
| /* Multicast group request. */ |
| struct group_req |
| { |
| /* Interface index. */ |
| uint32_t gr_interface; |
| |
| /* Group address. */ |
| struct sockaddr_storage gr_group; |
| }; |
| |
| struct group_source_req |
| { |
| /* Interface index. */ |
| uint32_t gsr_interface; |
| |
| /* Group address. */ |
| struct sockaddr_storage gsr_group; |
| |
| /* Source address. */ |
| struct sockaddr_storage gsr_source; |
| }; |
| |
| |
| /* Full-state filter operations. */ |
| struct ip_msfilter |
| { |
| /* IP multicast address of group. */ |
| struct in_addr imsf_multiaddr; |
| |
| /* Local IP address of interface. */ |
| struct in_addr imsf_interface; |
| |
| /* Filter mode. */ |
| uint32_t imsf_fmode; |
| |
| /* Number of source addresses. */ |
| uint32_t imsf_numsrc; |
| /* Source addresses. */ |
| struct in_addr imsf_slist[1]; |
| }; |
| |
| #define IP_MSFILTER_SIZE(numsrc) (sizeof (struct ip_msfilter) \ |
| - sizeof (struct in_addr) \ |
| + (numsrc) * sizeof (struct in_addr)) |
| |
| struct group_filter |
| { |
| /* Interface index. */ |
| uint32_t gf_interface; |
| |
| /* Group address. */ |
| struct sockaddr_storage gf_group; |
| |
| /* Filter mode. */ |
| uint32_t gf_fmode; |
| |
| /* Number of source addresses. */ |
| uint32_t gf_numsrc; |
| /* Source addresses. */ |
| struct sockaddr_storage gf_slist[1]; |
| }; |
| |
| #define GROUP_FILTER_SIZE(numsrc) (sizeof (struct group_filter) \ |
| - sizeof (struct sockaddr_storage) \ |
| + ((numsrc) \ |
| * sizeof (struct sockaddr_storage))) |
| #endif |
| |
| /* Functions to convert between host and network byte order. |
| |
| Please note that these functions normally take `unsigned long int' or |
| `unsigned short int' values as arguments and also return them. But |
| this was a short-sighted decision since on different systems the types |
| may have different representations but the values are always the same. */ |
| |
| extern uint32_t ntohl (uint32_t __netlong) __THROW __attribute__ ((__const__)); |
| extern uint16_t ntohs (uint16_t __netshort) |
| __THROW __attribute__ ((__const__)); |
| extern uint32_t htonl (uint32_t __hostlong) |
| __THROW __attribute__ ((__const__)); |
| extern uint16_t htons (uint16_t __hostshort) |
| __THROW __attribute__ ((__const__)); |
| |
| #include <endian.h> |
| |
| /* Get machine dependent optimized versions of byte swapping functions. */ |
| #include <bits/byteswap.h> |
| |
| #ifdef __OPTIMIZE__ |
| /* We can optimize calls to the conversion functions. Either nothing has |
| to be done or we are using directly the byte-swapping functions which |
| often can be inlined. */ |
| # if __BYTE_ORDER == __BIG_ENDIAN |
| /* The host byte order is the same as network byte order, |
| so these functions are all just identity. */ |
| # define ntohl(x) (x) |
| # define ntohs(x) (x) |
| # define htonl(x) (x) |
| # define htons(x) (x) |
| # else |
| # if __BYTE_ORDER == __LITTLE_ENDIAN |
| # define ntohl(x) __bswap_32 (x) |
| # define ntohs(x) __bswap_16 (x) |
| # define htonl(x) __bswap_32 (x) |
| # define htons(x) __bswap_16 (x) |
| # endif |
| # endif |
| #endif |
| |
| #ifdef __GNUC__ |
| # define IN6_IS_ADDR_UNSPECIFIED(a) \ |
| (__extension__ \ |
| ({ const struct in6_addr *__a = (const struct in6_addr *) (a); \ |
| __a->s6_addr32[0] == 0 \ |
| && __a->s6_addr32[1] == 0 \ |
| && __a->s6_addr32[2] == 0 \ |
| && __a->s6_addr32[3] == 0; })) |
| |
| # define IN6_IS_ADDR_LOOPBACK(a) \ |
| (__extension__ \ |
| ({ const struct in6_addr *__a = (const struct in6_addr *) (a); \ |
| __a->s6_addr32[0] == 0 \ |
| && __a->s6_addr32[1] == 0 \ |
| && __a->s6_addr32[2] == 0 \ |
| && __a->s6_addr32[3] == htonl (1); })) |
| |
| # define IN6_IS_ADDR_LINKLOCAL(a) \ |
| (__extension__ \ |
| ({ const struct in6_addr *__a = (const struct in6_addr *) (a); \ |
| (__a->s6_addr32[0] & htonl (0xffc00000)) == htonl (0xfe800000); })) |
| |
| # define IN6_IS_ADDR_SITELOCAL(a) \ |
| (__extension__ \ |
| ({ const struct in6_addr *__a = (const struct in6_addr *) (a); \ |
| (__a->s6_addr32[0] & htonl (0xffc00000)) == htonl (0xfec00000); })) |
| |
| # define IN6_IS_ADDR_V4MAPPED(a) \ |
| (__extension__ \ |
| ({ const struct in6_addr *__a = (const struct in6_addr *) (a); \ |
| __a->s6_addr32[0] == 0 \ |
| && __a->s6_addr32[1] == 0 \ |
| && __a->s6_addr32[2] == htonl (0xffff); })) |
| |
| # define IN6_IS_ADDR_V4COMPAT(a) \ |
| (__extension__ \ |
| ({ const struct in6_addr *__a = (const struct in6_addr *) (a); \ |
| __a->s6_addr32[0] == 0 \ |
| && __a->s6_addr32[1] == 0 \ |
| && __a->s6_addr32[2] == 0 \ |
| && ntohl (__a->s6_addr32[3]) > 1; })) |
| |
| # define IN6_ARE_ADDR_EQUAL(a,b) \ |
| (__extension__ \ |
| ({ const struct in6_addr *__a = (const struct in6_addr *) (a); \ |
| const struct in6_addr *__b = (const struct in6_addr *) (b); \ |
| __a->s6_addr32[0] == __b->s6_addr32[0] \ |
| && __a->s6_addr32[1] == __b->s6_addr32[1] \ |
| && __a->s6_addr32[2] == __b->s6_addr32[2] \ |
| && __a->s6_addr32[3] == __b->s6_addr32[3]; })) |
| #else |
| # define IN6_IS_ADDR_UNSPECIFIED(a) \ |
| (((const uint32_t *) (a))[0] == 0 \ |
| && ((const uint32_t *) (a))[1] == 0 \ |
| && ((const uint32_t *) (a))[2] == 0 \ |
| && ((const uint32_t *) (a))[3] == 0) |
| |
| # define IN6_IS_ADDR_LOOPBACK(a) \ |
| (((const uint32_t *) (a))[0] == 0 \ |
| && ((const uint32_t *) (a))[1] == 0 \ |
| && ((const uint32_t *) (a))[2] == 0 \ |
| && ((const uint32_t *) (a))[3] == htonl (1)) |
| |
| # define IN6_IS_ADDR_LINKLOCAL(a) \ |
| ((((const uint32_t *) (a))[0] & htonl (0xffc00000)) \ |
| == htonl (0xfe800000)) |
| |
| # define IN6_IS_ADDR_SITELOCAL(a) \ |
| ((((const uint32_t *) (a))[0] & htonl (0xffc00000)) \ |
| == htonl (0xfec00000)) |
| |
| # define IN6_IS_ADDR_V4MAPPED(a) \ |
| ((((const uint32_t *) (a))[0] == 0) \ |
| && (((const uint32_t *) (a))[1] == 0) \ |
| && (((const uint32_t *) (a))[2] == htonl (0xffff))) |
| |
| # define IN6_IS_ADDR_V4COMPAT(a) \ |
| ((((const uint32_t *) (a))[0] == 0) \ |
| && (((const uint32_t *) (a))[1] == 0) \ |
| && (((const uint32_t *) (a))[2] == 0) \ |
| && (ntohl (((const uint32_t *) (a))[3]) > 1)) |
| |
| # define IN6_ARE_ADDR_EQUAL(a,b) \ |
| ((((const uint32_t *) (a))[0] == ((const uint32_t *) (b))[0]) \ |
| && (((const uint32_t *) (a))[1] == ((const uint32_t *) (b))[1]) \ |
| && (((const uint32_t *) (a))[2] == ((const uint32_t *) (b))[2]) \ |
| && (((const uint32_t *) (a))[3] == ((const uint32_t *) (b))[3])) |
| #endif |
| |
| #define IN6_IS_ADDR_MULTICAST(a) (((const uint8_t *) (a))[0] == 0xff) |
| |
| #if defined __USE_MISC || defined __USE_GNU |
| /* Bind socket to a privileged IP port. */ |
| extern int bindresvport (int __sockfd, struct sockaddr_in *__sock_in) __THROW; |
| |
| /* The IPv6 version of this function. */ |
| extern int bindresvport6 (int __sockfd, struct sockaddr_in6 *__sock_in) |
| __THROW; |
| #endif |
| |
| |
| #define IN6_IS_ADDR_MC_NODELOCAL(a) \ |
| (IN6_IS_ADDR_MULTICAST(a) \ |
| && ((((const uint8_t *) (a))[1] & 0xf) == 0x1)) |
| |
| #define IN6_IS_ADDR_MC_LINKLOCAL(a) \ |
| (IN6_IS_ADDR_MULTICAST(a) \ |
| && ((((const uint8_t *) (a))[1] & 0xf) == 0x2)) |
| |
| #define IN6_IS_ADDR_MC_SITELOCAL(a) \ |
| (IN6_IS_ADDR_MULTICAST(a) \ |
| && ((((const uint8_t *) (a))[1] & 0xf) == 0x5)) |
| |
| #define IN6_IS_ADDR_MC_ORGLOCAL(a) \ |
| (IN6_IS_ADDR_MULTICAST(a) \ |
| && ((((const uint8_t *) (a))[1] & 0xf) == 0x8)) |
| |
| #define IN6_IS_ADDR_MC_GLOBAL(a) \ |
| (IN6_IS_ADDR_MULTICAST(a) \ |
| && ((((const uint8_t *) (a))[1] & 0xf) == 0xe)) |
| |
| |
| #ifdef __USE_GNU |
| struct cmsghdr; /* Forward declaration. */ |
| |
| /* IPv6 packet information. */ |
| struct in6_pktinfo |
| { |
| struct in6_addr ipi6_addr; /* src/dst IPv6 address */ |
| unsigned int ipi6_ifindex; /* send/recv interface index */ |
| }; |
| |
| /* IPv6 MTU information. */ |
| struct ip6_mtuinfo |
| { |
| struct sockaddr_in6 ip6m_addr; /* dst address including zone ID */ |
| uint32_t ip6m_mtu; /* path MTU in host byte order */ |
| }; |
| |
| |
| /* Obsolete hop-by-hop and Destination Options Processing (RFC 2292). */ |
| extern int inet6_option_space (int __nbytes) |
| __THROW __attribute_deprecated__; |
| extern int inet6_option_init (void *__bp, struct cmsghdr **__cmsgp, |
| int __type) __THROW __attribute_deprecated__; |
| extern int inet6_option_append (struct cmsghdr *__cmsg, |
| const uint8_t *__typep, int __multx, |
| int __plusy) __THROW __attribute_deprecated__; |
| extern uint8_t *inet6_option_alloc (struct cmsghdr *__cmsg, int __datalen, |
| int __multx, int __plusy) |
| __THROW __attribute_deprecated__; |
| extern int inet6_option_next (const struct cmsghdr *__cmsg, |
| uint8_t **__tptrp) |
| __THROW __attribute_deprecated__; |
| extern int inet6_option_find (const struct cmsghdr *__cmsg, |
| uint8_t **__tptrp, int __type) |
| __THROW __attribute_deprecated__; |
| |
| |
| /* Hop-by-Hop and Destination Options Processing (RFC 3542). */ |
| extern int inet6_opt_init (void *__extbuf, socklen_t __extlen) __THROW; |
| extern int inet6_opt_append (void *__extbuf, socklen_t __extlen, int __offset, |
| uint8_t __type, socklen_t __len, uint8_t __align, |
| void **__databufp) __THROW; |
| extern int inet6_opt_finish (void *__extbuf, socklen_t __extlen, int __offset) |
| __THROW; |
| extern int inet6_opt_set_val (void *__databuf, int __offset, void *__val, |
| socklen_t __vallen) __THROW; |
| extern int inet6_opt_next (void *__extbuf, socklen_t __extlen, int __offset, |
| uint8_t *__typep, socklen_t *__lenp, |
| void **__databufp) __THROW; |
| extern int inet6_opt_find (void *__extbuf, socklen_t __extlen, int __offset, |
| uint8_t __type, socklen_t *__lenp, |
| void **__databufp) __THROW; |
| extern int inet6_opt_get_val (void *__databuf, int __offset, void *__val, |
| socklen_t __vallen) __THROW; |
| |
| |
| /* Routing Header Option (RFC 3542). */ |
| extern socklen_t inet6_rth_space (int __type, int __segments) __THROW; |
| extern void *inet6_rth_init (void *__bp, socklen_t __bp_len, int __type, |
| int __segments) __THROW; |
| extern int inet6_rth_add (void *__bp, const struct in6_addr *__addr) __THROW; |
| extern int inet6_rth_reverse (const void *__in, void *__out) __THROW; |
| extern int inet6_rth_segments (const void *__bp) __THROW; |
| extern struct in6_addr *inet6_rth_getaddr (const void *__bp, int __index) |
| __THROW; |
| |
| |
| /* Multicast source filter support. */ |
| |
| /* Get IPv4 source filter. */ |
| extern int getipv4sourcefilter (int __s, struct in_addr __interface_addr, |
| struct in_addr __group, uint32_t *__fmode, |
| uint32_t *__numsrc, struct in_addr *__slist) |
| __THROW; |
| |
| /* Set IPv4 source filter. */ |
| extern int setipv4sourcefilter (int __s, struct in_addr __interface_addr, |
| struct in_addr __group, uint32_t __fmode, |
| uint32_t __numsrc, |
| const struct in_addr *__slist) |
| __THROW; |
| |
| |
| /* Get source filter. */ |
| extern int getsourcefilter (int __s, uint32_t __interface_addr, |
| const struct sockaddr *__group, |
| socklen_t __grouplen, uint32_t *__fmode, |
| uint32_t *__numsrc, |
| struct sockaddr_storage *__slist) __THROW; |
| |
| /* Set source filter. */ |
| extern int setsourcefilter (int __s, uint32_t __interface_addr, |
| const struct sockaddr *__group, |
| socklen_t __grouplen, uint32_t __fmode, |
| uint32_t __numsrc, |
| const struct sockaddr_storage *__slist) __THROW; |
| #endif /* use GNU */ |
| |
| __END_DECLS |
| |
| #endif /* netinet/in.h */ |
