228 lines
7.4 KiB
C
228 lines
7.4 KiB
C
/*
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* Copyright 2002-2012 Haiku, Inc. All Rights Reserved.
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* Distributed under the terms of the MIT License.
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*/
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#ifndef _NETINET_IN_H_
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#define _NETINET_IN_H_
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#include <net/if.h>
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#include <endian.h>
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#include <stdint.h>
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#include <sys/types.h>
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/* RFC 2553 states that these must be available through <netinet/in.h> */
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#include <netinet6/in6.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef uint16_t in_port_t;
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typedef uint32_t in_addr_t;
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/* We can't include <ByteOrder.h> since we are a posix file,
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* and we are not allowed to import all the BeOS types here.
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*/
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#ifndef htonl
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# ifdef __HAIKU_BEOS_COMPATIBLE_TYPES
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extern unsigned long __swap_int32(unsigned long); /* private */
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# else
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extern unsigned int __swap_int32(unsigned int); /* private */
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# endif
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extern uint16_t __swap_int16(uint16_t); /* private */
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# if BYTE_ORDER == LITTLE_ENDIAN
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# define htonl(x) ((uint32_t)__swap_int32(x))
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# define ntohl(x) ((uint32_t)__swap_int32(x))
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# define htons(x) __swap_int16(x)
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# define ntohs(x) __swap_int16(x)
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# elif BYTE_ORDER == BIG_ENDIAN
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# define htonl(x) (x)
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# define ntohl(x) (x)
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# define htons(x) (x)
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# define ntohs(x) (x)
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# else
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# error Unknown byte order.
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# endif
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#endif
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/* Protocol definitions */
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#define IPPROTO_IP 0 /* 0, IPv4 */
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#define IPPROTO_HOPOPTS 0 /* 0, IPv6 hop-by-hop options */
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#define IPPROTO_ICMP 1 /* 1, ICMP (v4) */
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#define IPPROTO_IGMP 2 /* 2, IGMP (group management) */
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#define IPPROTO_TCP 6 /* 6, tcp */
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#define IPPROTO_UDP 17 /* 17, UDP */
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#define IPPROTO_IPV6 41 /* 41, IPv6 in IPv6 */
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#define IPPROTO_ROUTING 43 /* 43, Routing */
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#define IPPROTO_FRAGMENT 44 /* 44, IPv6 fragmentation header */
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#define IPPROTO_ESP 50 /* 50, Encap Sec. Payload */
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#define IPPROTO_AH 51 /* 51, Auth Header */
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#define IPPROTO_ICMPV6 58 /* 58, IPv6 ICMP */
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#define IPPROTO_NONE 59 /* 59, IPv6 no next header */
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#define IPPROTO_DSTOPTS 60 /* 60, IPv6 destination option */
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#define IPPROTO_ETHERIP 97 /* 97, Ethernet in IPv4 */
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#define IPPROTO_RAW 255 /* 255 */
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#define IPPROTO_MAX 256
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/* Port numbers */
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#define IPPORT_RESERVED 1024
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/* < IPPORT_RESERVED are privileged and should be accessible only by root */
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#define IPPORT_USERRESERVED 49151
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/* > IPPORT_USERRESERVED are reserved for servers, though not requiring
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* privileged status
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*/
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/* IP Version 4 address */
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struct in_addr {
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in_addr_t s_addr;
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};
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/* IP Version 4 socket address */
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struct sockaddr_in {
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uint8_t sin_len;
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uint8_t sin_family;
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uint16_t sin_port;
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struct in_addr sin_addr;
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int8_t sin_zero[24];
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};
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/* RFC 3678 - Socket Interface Extensions for Multicast Source Filters */
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struct ip_mreq {
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struct in_addr imr_multiaddr; /* IP address of group */
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struct in_addr imr_interface; /* IP address of interface */
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};
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struct ip_mreq_source {
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struct in_addr imr_multiaddr; /* IP address of group */
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struct in_addr imr_sourceaddr; /* IP address of source */
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struct in_addr imr_interface; /* IP address of interface */
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};
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struct group_req {
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uint32_t gr_interface; /* interface index */
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struct sockaddr_storage gr_group; /* group address */
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};
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struct group_source_req {
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uint32_t gsr_interface; /* interface index */
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struct sockaddr_storage gsr_group; /* group address */
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struct sockaddr_storage gsr_source; /* source address */
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};
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/*
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* Options for use with [gs]etsockopt at the IP level.
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* First word of comment is data type; bool is stored in int.
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*/
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#define IP_OPTIONS 1 /* buf/ip_opts; set/get IP options */
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#define IP_HDRINCL 2 /* int; header is included with data */
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#define IP_TOS 3
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/* int; IP type of service and preced. */
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#define IP_TTL 4 /* int; IP time to live */
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#define IP_RECVOPTS 5 /* bool; receive all IP opts w/dgram */
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#define IP_RECVRETOPTS 6 /* bool; receive IP opts for response */
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#define IP_RECVDSTADDR 7 /* bool; receive IP dst addr w/dgram */
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#define IP_RETOPTS 8 /* ip_opts; set/get IP options */
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#define IP_MULTICAST_IF 9 /* in_addr; set/get IP multicast i/f */
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#define IP_MULTICAST_TTL 10 /* u_char; set/get IP multicast ttl */
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#define IP_MULTICAST_LOOP 11
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/* u_char; set/get IP multicast loopback */
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#define IP_ADD_MEMBERSHIP 12
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/* ip_mreq; add an IP group membership */
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#define IP_DROP_MEMBERSHIP 13
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/* ip_mreq; drop an IP group membership */
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#define IP_BLOCK_SOURCE 14 /* ip_mreq_source */
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#define IP_UNBLOCK_SOURCE 15 /* ip_mreq_source */
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#define IP_ADD_SOURCE_MEMBERSHIP 16 /* ip_mreq_source */
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#define IP_DROP_SOURCE_MEMBERSHIP 17 /* ip_mreq_source */
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#define MCAST_JOIN_GROUP 18 /* group_req */
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#define MCAST_BLOCK_SOURCE 19 /* group_source_req */
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#define MCAST_UNBLOCK_SOURCE 20 /* group_source_req */
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#define MCAST_LEAVE_GROUP 21 /* group_req */
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#define MCAST_JOIN_SOURCE_GROUP 22 /* group_source_req */
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#define MCAST_LEAVE_SOURCE_GROUP 23 /* group_source_req */
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/* IPPROTO_IPV6 options */
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#define IPV6_MULTICAST_IF 24 /* int */
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#define IPV6_MULTICAST_HOPS 25 /* int */
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#define IPV6_MULTICAST_LOOP 26 /* int */
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#define IPV6_UNICAST_HOPS 27 /* int */
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#define IPV6_JOIN_GROUP 28 /* struct ipv6_mreq */
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#define IPV6_LEAVE_GROUP 29 /* struct ipv6_mreq */
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#define IPV6_V6ONLY 30 /* int */
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#define IPV6_PKTINFO 31 /* struct ipv6_pktinfo */
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#define IPV6_RECVPKTINFO 32 /* struct ipv6_pktinfo */
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#define IPV6_HOPLIMIT 33 /* int */
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#define IPV6_RECVHOPLIMIT 34 /* int */
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#define IPV6_HOPOPTS 35 /* struct ip6_hbh */
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#define IPV6_DSTOPTS 36 /* struct ip6_dest */
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#define IPV6_RTHDR 37 /* struct ip6_rthdr */
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#define INADDR_ANY ((in_addr_t)0x00000000)
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#define INADDR_LOOPBACK ((in_addr_t)0x7f000001)
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#define INADDR_BROADCAST ((in_addr_t)0xffffffff) /* must be masked */
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#define INADDR_UNSPEC_GROUP ((in_addr_t)0xe0000000) /* 224.0.0.0 */
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#define INADDR_ALLHOSTS_GROUP ((in_addr_t)0xe0000001) /* 224.0.0.1 */
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#define INADDR_ALLROUTERS_GROUP ((in_addr_t)0xe0000002) /* 224.0.0.2 */
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#define INADDR_MAX_LOCAL_GROUP ((in_addr_t)0xe00000ff) /* 224.0.0.255 */
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#define IN_LOOPBACKNET 127
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#define INADDR_NONE ((in_addr_t)0xffffffff)
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#define IN_CLASSA(i) (((in_addr_t)(i) & 0x80000000) == 0)
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#define IN_CLASSA_NET 0xff000000
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#define IN_CLASSA_NSHIFT 24
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#define IN_CLASSA_HOST 0x00ffffff
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#define IN_CLASSA_MAX 128
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#define IN_CLASSB(i) (((in_addr_t)(i) & 0xc0000000) == 0x80000000)
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#define IN_CLASSB_NET 0xffff0000
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#define IN_CLASSB_NSHIFT 16
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#define IN_CLASSB_HOST 0x0000ffff
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#define IN_CLASSB_MAX 65536
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#define IN_CLASSC(i) (((in_addr_t)(i) & 0xe0000000) == 0xc0000000)
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#define IN_CLASSC_NET 0xffffff00
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#define IN_CLASSC_NSHIFT 8
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#define IN_CLASSC_HOST 0x000000ff
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#define IN_CLASSD(i) (((in_addr_t)(i) & 0xf0000000) == 0xe0000000)
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/* These ones aren't really net and host fields, but routing needn't know. */
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#define IN_CLASSD_NET 0xf0000000
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#define IN_CLASSD_NSHIFT 28
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#define IN_CLASSD_HOST 0x0fffffff
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#define IN_MULTICAST(i) IN_CLASSD(i)
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#define IN_EXPERIMENTAL(i) (((in_addr_t)(i) & 0xf0000000) == 0xf0000000)
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#define IN_BADCLASS(i) (((in_addr_t)(i) & 0xf0000000) == 0xf0000000)
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#define IP_MAX_MEMBERSHIPS 20
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/* maximal length of the string representation of an IPv4 address */
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#define INET_ADDRSTRLEN 16
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/* some helpful macro's :) */
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#define in_hosteq(s, t) ((s).s_addr == (t).s_addr)
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#define in_nullhost(x) ((x).s_addr == INADDR_ANY)
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#define satosin(sa) ((struct sockaddr_in *)(sa))
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#define sintosa(sin) ((struct sockaddr *)(sin))
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#ifdef __cplusplus
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}
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#endif
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#endif /* _NETINET_IN_H_ */
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