/* * Copyright 2002-2012 Haiku, Inc. All Rights Reserved. * Distributed under the terms of the MIT License. */ #ifndef _NETINET_IN_H_ #define _NETINET_IN_H_ #include #include #include #include /* RFC 2553 states that these must be available through */ #include #ifdef __cplusplus extern "C" { #endif typedef uint16_t in_port_t; typedef uint32_t in_addr_t; /* We can't include since we are a POSIX file, * and we are not allowed to import all the BeOS types here. */ #if !defined(__swap_int32) # if __GNUC__ >= 4 # define __net_swap_int32(arg) (uint32_t)__builtin_bswap32(arg) # define __net_swap_int16(arg) (uint16_t)__builtin_bswap16(arg) # else extern unsigned long __swap_int32(unsigned long); /* private */ extern uint16_t __swap_int16(uint16_t); /* private */ # define __net_swap_int32(arg) __swap_int32(arg) # define __net_swap_int16(arg) __swap_int16(arg) # endif #endif #ifndef htonl # if BYTE_ORDER == LITTLE_ENDIAN # define htonl(x) ((uint32_t)__net_swap_int32(x)) # define ntohl(x) ((uint32_t)__net_swap_int32(x)) # define htons(x) __net_swap_int16(x) # define ntohs(x) __net_swap_int16(x) # elif BYTE_ORDER == BIG_ENDIAN # define htonl(x) (x) # define ntohl(x) (x) # define htons(x) (x) # define ntohs(x) (x) # else # error Unknown byte order. # endif #endif /* Protocol definitions */ #define IPPROTO_IP 0 /* 0, IPv4 */ #define IPPROTO_HOPOPTS 0 /* 0, IPv6 hop-by-hop options */ #define IPPROTO_ICMP 1 /* 1, ICMP (v4) */ #define IPPROTO_IGMP 2 /* 2, IGMP (group management) */ #define IPPROTO_TCP 6 /* 6, tcp */ #define IPPROTO_UDP 17 /* 17, UDP */ #define IPPROTO_IPV6 41 /* 41, IPv6 in IPv6 */ #define IPPROTO_ROUTING 43 /* 43, Routing */ #define IPPROTO_FRAGMENT 44 /* 44, IPv6 fragmentation header */ #define IPPROTO_ESP 50 /* 50, Encap Sec. Payload */ #define IPPROTO_AH 51 /* 51, Auth Header */ #define IPPROTO_ICMPV6 58 /* 58, IPv6 ICMP */ #define IPPROTO_NONE 59 /* 59, IPv6 no next header */ #define IPPROTO_DSTOPTS 60 /* 60, IPv6 destination option */ #define IPPROTO_ETHERIP 97 /* 97, Ethernet in IPv4 */ #define IPPROTO_RAW 255 /* 255 */ #define IPPROTO_MAX 256 /* Port numbers */ #define IPPORT_RESERVED 1024 /* < IPPORT_RESERVED are privileged and should be accessible only by root */ #define IPPORT_USERRESERVED 49151 /* > IPPORT_USERRESERVED are reserved for servers, though not requiring * privileged status */ /* IP Version 4 address */ struct in_addr { in_addr_t s_addr; }; /* IP Version 4 socket address */ struct sockaddr_in { uint8_t sin_len; uint8_t sin_family; uint16_t sin_port; struct in_addr sin_addr; int8_t sin_zero[24]; }; /* RFC 3678 - Socket Interface Extensions for Multicast Source Filters */ struct ip_mreq { struct in_addr imr_multiaddr; /* IP address of group */ struct in_addr imr_interface; /* IP address of interface */ }; struct ip_mreq_source { struct in_addr imr_multiaddr; /* IP address of group */ struct in_addr imr_sourceaddr; /* IP address of source */ struct in_addr imr_interface; /* IP address of interface */ }; struct group_req { uint32_t gr_interface; /* interface index */ struct sockaddr_storage gr_group; /* group address */ }; struct group_source_req { uint32_t gsr_interface; /* interface index */ struct sockaddr_storage gsr_group; /* group address */ struct sockaddr_storage gsr_source; /* source address */ }; /* * Options for use with [gs]etsockopt at the IP level. * First word of comment is data type; bool is stored in int. */ #define IP_OPTIONS 1 /* buf/ip_opts; set/get IP options */ #define IP_HDRINCL 2 /* int; header is included with data */ #define IP_TOS 3 /* int; IP type of service and preced. */ #define IP_TTL 4 /* int; IP time to live */ #define IP_RECVOPTS 5 /* bool; receive all IP opts w/dgram */ #define IP_RECVRETOPTS 6 /* bool; receive IP opts for response */ #define IP_RECVDSTADDR 7 /* bool; receive IP dst addr w/dgram */ #define IP_RETOPTS 8 /* ip_opts; set/get IP options */ #define IP_MULTICAST_IF 9 /* in_addr; set/get IP multicast i/f */ #define IP_MULTICAST_TTL 10 /* u_char; set/get IP multicast ttl */ #define IP_MULTICAST_LOOP 11 /* u_char; set/get IP multicast loopback */ #define IP_ADD_MEMBERSHIP 12 /* ip_mreq; add an IP group membership */ #define IP_DROP_MEMBERSHIP 13 /* ip_mreq; drop an IP group membership */ #define IP_BLOCK_SOURCE 14 /* ip_mreq_source */ #define IP_UNBLOCK_SOURCE 15 /* ip_mreq_source */ #define IP_ADD_SOURCE_MEMBERSHIP 16 /* ip_mreq_source */ #define IP_DROP_SOURCE_MEMBERSHIP 17 /* ip_mreq_source */ #define MCAST_JOIN_GROUP 18 /* group_req */ #define MCAST_BLOCK_SOURCE 19 /* group_source_req */ #define MCAST_UNBLOCK_SOURCE 20 /* group_source_req */ #define MCAST_LEAVE_GROUP 21 /* group_req */ #define MCAST_JOIN_SOURCE_GROUP 22 /* group_source_req */ #define MCAST_LEAVE_SOURCE_GROUP 23 /* group_source_req */ /* IPPROTO_IPV6 options */ #define IPV6_MULTICAST_IF 24 /* int */ #define IPV6_MULTICAST_HOPS 25 /* int */ #define IPV6_MULTICAST_LOOP 26 /* int */ #define IPV6_UNICAST_HOPS 27 /* int */ #define IPV6_JOIN_GROUP 28 /* struct ipv6_mreq */ #define IPV6_LEAVE_GROUP 29 /* struct ipv6_mreq */ #define IPV6_V6ONLY 30 /* int */ #define IPV6_PKTINFO 31 /* struct ipv6_pktinfo */ #define IPV6_RECVPKTINFO 32 /* struct ipv6_pktinfo */ #define IPV6_HOPLIMIT 33 /* int */ #define IPV6_RECVHOPLIMIT 34 /* int */ #define IPV6_HOPOPTS 35 /* struct ip6_hbh */ #define IPV6_DSTOPTS 36 /* struct ip6_dest */ #define IPV6_RTHDR 37 /* struct ip6_rthdr */ #define INADDR_ANY ((in_addr_t)0x00000000) #define INADDR_LOOPBACK ((in_addr_t)0x7f000001) #define INADDR_BROADCAST ((in_addr_t)0xffffffff) /* must be masked */ #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_ALLROUTERS_GROUP ((in_addr_t)0xe0000002) /* 224.0.0.2 */ #define INADDR_MAX_LOCAL_GROUP ((in_addr_t)0xe00000ff) /* 224.0.0.255 */ #define IN_LOOPBACKNET 127 #define INADDR_NONE ((in_addr_t)0xffffffff) #define IN_CLASSA(i) (((in_addr_t)(i) & 0x80000000) == 0) #define IN_CLASSA_NET 0xff000000 #define IN_CLASSA_NSHIFT 24 #define IN_CLASSA_HOST 0x00ffffff #define IN_CLASSA_MAX 128 #define IN_CLASSB(i) (((in_addr_t)(i) & 0xc0000000) == 0x80000000) #define IN_CLASSB_NET 0xffff0000 #define IN_CLASSB_NSHIFT 16 #define IN_CLASSB_HOST 0x0000ffff #define IN_CLASSB_MAX 65536 #define IN_CLASSC(i) (((in_addr_t)(i) & 0xe0000000) == 0xc0000000) #define IN_CLASSC_NET 0xffffff00 #define IN_CLASSC_NSHIFT 8 #define IN_CLASSC_HOST 0x000000ff #define IN_CLASSD(i) (((in_addr_t)(i) & 0xf0000000) == 0xe0000000) /* These ones aren't really net and host fields, but routing needn't know. */ #define IN_CLASSD_NET 0xf0000000 #define IN_CLASSD_NSHIFT 28 #define IN_CLASSD_HOST 0x0fffffff #define IN_MULTICAST(i) IN_CLASSD(i) #define IN_EXPERIMENTAL(i) (((in_addr_t)(i) & 0xf0000000) == 0xf0000000) #define IN_BADCLASS(i) (((in_addr_t)(i) & 0xf0000000) == 0xf0000000) #define IP_MAX_MEMBERSHIPS 20 /* maximal length of the string representation of an IPv4 address */ #define INET_ADDRSTRLEN 16 /* some helpful macro's :) */ #define in_hosteq(s, t) ((s).s_addr == (t).s_addr) #define in_nullhost(x) ((x).s_addr == INADDR_ANY) #define satosin(sa) ((struct sockaddr_in *)(sa)) #define sintosa(sin) ((struct sockaddr *)(sin)) #ifdef __cplusplus } #endif #endif /* _NETINET_IN_H_ */