1 /* 2 * Copyright 2002-2012 Haiku, Inc. All Rights Reserved. 3 * Distributed under the terms of the MIT License. 4 */ 5 #ifndef _NETINET_IN_H_ 6 #define _NETINET_IN_H_ 7 8 9 #include <net/if.h> 10 #include <endian.h> 11 #include <stdint.h> 12 #include <sys/types.h> 13 14 /* RFC 2553 states that these must be available through <netinet/in.h> */ 15 #include <netinet6/in6.h> 16 17 18 #ifdef __cplusplus 19 extern "C" { 20 #endif 21 22 typedef uint16_t in_port_t; 23 typedef uint32_t in_addr_t; 24 25 /* We can't include <ByteOrder.h> since we are a posix file, 26 * and we are not allowed to import all the BeOS types here. 27 */ 28 #ifndef htonl 29 # ifdef __HAIKU_BEOS_COMPATIBLE_TYPES 30 extern unsigned long __swap_int32(unsigned long); /* private */ 31 # else 32 extern unsigned int __swap_int32(unsigned int); /* private */ 33 # endif 34 extern uint16_t __swap_int16(uint16_t); /* private */ 35 # if BYTE_ORDER == LITTLE_ENDIAN 36 # define htonl(x) ((uint32_t)__swap_int32(x)) 37 # define ntohl(x) ((uint32_t)__swap_int32(x)) 38 # define htons(x) __swap_int16(x) 39 # define ntohs(x) __swap_int16(x) 40 # elif BYTE_ORDER == BIG_ENDIAN 41 # define htonl(x) (x) 42 # define ntohl(x) (x) 43 # define htons(x) (x) 44 # define ntohs(x) (x) 45 # else 46 # error Unknown byte order. 47 # endif 48 #endif 49 50 51 /* Protocol definitions */ 52 #define IPPROTO_IP 0 /* 0, IPv4 */ 53 #define IPPROTO_HOPOPTS 0 /* 0, IPv6 hop-by-hop options */ 54 #define IPPROTO_ICMP 1 /* 1, ICMP (v4) */ 55 #define IPPROTO_IGMP 2 /* 2, IGMP (group management) */ 56 #define IPPROTO_TCP 6 /* 6, tcp */ 57 #define IPPROTO_UDP 17 /* 17, UDP */ 58 #define IPPROTO_IPV6 41 /* 41, IPv6 in IPv6 */ 59 #define IPPROTO_ROUTING 43 /* 43, Routing */ 60 #define IPPROTO_FRAGMENT 44 /* 44, IPv6 fragmentation header */ 61 #define IPPROTO_ESP 50 /* 50, Encap Sec. Payload */ 62 #define IPPROTO_AH 51 /* 51, Auth Header */ 63 #define IPPROTO_ICMPV6 58 /* 58, IPv6 ICMP */ 64 #define IPPROTO_NONE 59 /* 59, IPv6 no next header */ 65 #define IPPROTO_DSTOPTS 60 /* 60, IPv6 destination option */ 66 #define IPPROTO_ETHERIP 97 /* 97, Ethernet in IPv4 */ 67 #define IPPROTO_RAW 255 /* 255 */ 68 69 #define IPPROTO_MAX 256 70 71 72 /* Port numbers */ 73 74 #define IPPORT_RESERVED 1024 75 /* < IPPORT_RESERVED are privileged and should be accessible only by root */ 76 #define IPPORT_USERRESERVED 49151 77 /* > IPPORT_USERRESERVED are reserved for servers, though not requiring 78 * privileged status 79 */ 80 81 /* IP Version 4 address */ 82 struct in_addr { 83 in_addr_t s_addr; 84 }; 85 86 /* IP Version 4 socket address */ 87 struct sockaddr_in { 88 uint8_t sin_len; 89 uint8_t sin_family; 90 uint16_t sin_port; 91 struct in_addr sin_addr; 92 int8_t sin_zero[24]; 93 }; 94 95 96 /* RFC 3678 - Socket Interface Extensions for Multicast Source Filters */ 97 98 struct ip_mreq { 99 struct in_addr imr_multiaddr; /* IP address of group */ 100 struct in_addr imr_interface; /* IP address of interface */ 101 }; 102 103 struct ip_mreq_source { 104 struct in_addr imr_multiaddr; /* IP address of group */ 105 struct in_addr imr_sourceaddr; /* IP address of source */ 106 struct in_addr imr_interface; /* IP address of interface */ 107 }; 108 109 struct group_req { 110 uint32_t gr_interface; /* interface index */ 111 struct sockaddr_storage gr_group; /* group address */ 112 }; 113 114 struct group_source_req { 115 uint32_t gsr_interface; /* interface index */ 116 struct sockaddr_storage gsr_group; /* group address */ 117 struct sockaddr_storage gsr_source; /* source address */ 118 }; 119 120 /* 121 * Options for use with [gs]etsockopt at the IP level. 122 * First word of comment is data type; bool is stored in int. 123 */ 124 #define IP_OPTIONS 1 /* buf/ip_opts; set/get IP options */ 125 #define IP_HDRINCL 2 /* int; header is included with data */ 126 #define IP_TOS 3 127 /* int; IP type of service and preced. */ 128 #define IP_TTL 4 /* int; IP time to live */ 129 #define IP_RECVOPTS 5 /* bool; receive all IP opts w/dgram */ 130 #define IP_RECVRETOPTS 6 /* bool; receive IP opts for response */ 131 #define IP_RECVDSTADDR 7 /* bool; receive IP dst addr w/dgram */ 132 #define IP_RETOPTS 8 /* ip_opts; set/get IP options */ 133 #define IP_MULTICAST_IF 9 /* in_addr; set/get IP multicast i/f */ 134 #define IP_MULTICAST_TTL 10 /* u_char; set/get IP multicast ttl */ 135 #define IP_MULTICAST_LOOP 11 136 /* u_char; set/get IP multicast loopback */ 137 #define IP_ADD_MEMBERSHIP 12 138 /* ip_mreq; add an IP group membership */ 139 #define IP_DROP_MEMBERSHIP 13 140 /* ip_mreq; drop an IP group membership */ 141 #define IP_BLOCK_SOURCE 14 /* ip_mreq_source */ 142 #define IP_UNBLOCK_SOURCE 15 /* ip_mreq_source */ 143 #define IP_ADD_SOURCE_MEMBERSHIP 16 /* ip_mreq_source */ 144 #define IP_DROP_SOURCE_MEMBERSHIP 17 /* ip_mreq_source */ 145 #define MCAST_JOIN_GROUP 18 /* group_req */ 146 #define MCAST_BLOCK_SOURCE 19 /* group_source_req */ 147 #define MCAST_UNBLOCK_SOURCE 20 /* group_source_req */ 148 #define MCAST_LEAVE_GROUP 21 /* group_req */ 149 #define MCAST_JOIN_SOURCE_GROUP 22 /* group_source_req */ 150 #define MCAST_LEAVE_SOURCE_GROUP 23 /* group_source_req */ 151 152 /* IPPROTO_IPV6 options */ 153 #define IPV6_MULTICAST_IF 24 /* int */ 154 #define IPV6_MULTICAST_HOPS 25 /* int */ 155 #define IPV6_MULTICAST_LOOP 26 /* int */ 156 157 #define IPV6_UNICAST_HOPS 27 /* int */ 158 #define IPV6_JOIN_GROUP 28 /* struct ipv6_mreq */ 159 #define IPV6_LEAVE_GROUP 29 /* struct ipv6_mreq */ 160 #define IPV6_V6ONLY 30 /* int */ 161 162 #define IPV6_PKTINFO 31 /* struct ipv6_pktinfo */ 163 #define IPV6_RECVPKTINFO 32 /* struct ipv6_pktinfo */ 164 #define IPV6_HOPLIMIT 33 /* int */ 165 #define IPV6_RECVHOPLIMIT 34 /* int */ 166 167 #define IPV6_HOPOPTS 35 /* struct ip6_hbh */ 168 #define IPV6_DSTOPTS 36 /* struct ip6_dest */ 169 #define IPV6_RTHDR 37 /* struct ip6_rthdr */ 170 171 #define INADDR_ANY ((in_addr_t)0x00000000) 172 #define INADDR_LOOPBACK ((in_addr_t)0x7f000001) 173 #define INADDR_BROADCAST ((in_addr_t)0xffffffff) /* must be masked */ 174 175 #define INADDR_UNSPEC_GROUP ((in_addr_t)0xe0000000) /* 224.0.0.0 */ 176 #define INADDR_ALLHOSTS_GROUP ((in_addr_t)0xe0000001) /* 224.0.0.1 */ 177 #define INADDR_ALLROUTERS_GROUP ((in_addr_t)0xe0000002) /* 224.0.0.2 */ 178 #define INADDR_MAX_LOCAL_GROUP ((in_addr_t)0xe00000ff) /* 224.0.0.255 */ 179 180 #define IN_LOOPBACKNET 127 181 182 #define INADDR_NONE ((in_addr_t)0xffffffff) 183 184 #define IN_CLASSA(i) (((in_addr_t)(i) & 0x80000000) == 0) 185 #define IN_CLASSA_NET 0xff000000 186 #define IN_CLASSA_NSHIFT 24 187 #define IN_CLASSA_HOST 0x00ffffff 188 #define IN_CLASSA_MAX 128 189 190 #define IN_CLASSB(i) (((in_addr_t)(i) & 0xc0000000) == 0x80000000) 191 #define IN_CLASSB_NET 0xffff0000 192 #define IN_CLASSB_NSHIFT 16 193 #define IN_CLASSB_HOST 0x0000ffff 194 #define IN_CLASSB_MAX 65536 195 196 #define IN_CLASSC(i) (((in_addr_t)(i) & 0xe0000000) == 0xc0000000) 197 #define IN_CLASSC_NET 0xffffff00 198 #define IN_CLASSC_NSHIFT 8 199 #define IN_CLASSC_HOST 0x000000ff 200 201 #define IN_CLASSD(i) (((in_addr_t)(i) & 0xf0000000) == 0xe0000000) 202 /* These ones aren't really net and host fields, but routing needn't know. */ 203 #define IN_CLASSD_NET 0xf0000000 204 #define IN_CLASSD_NSHIFT 28 205 #define IN_CLASSD_HOST 0x0fffffff 206 207 #define IN_MULTICAST(i) IN_CLASSD(i) 208 209 #define IN_EXPERIMENTAL(i) (((in_addr_t)(i) & 0xf0000000) == 0xf0000000) 210 #define IN_BADCLASS(i) (((in_addr_t)(i) & 0xf0000000) == 0xf0000000) 211 212 #define IP_MAX_MEMBERSHIPS 20 213 214 /* maximal length of the string representation of an IPv4 address */ 215 #define INET_ADDRSTRLEN 16 216 217 /* some helpful macro's :) */ 218 #define in_hosteq(s, t) ((s).s_addr == (t).s_addr) 219 #define in_nullhost(x) ((x).s_addr == INADDR_ANY) 220 #define satosin(sa) ((struct sockaddr_in *)(sa)) 221 #define sintosa(sin) ((struct sockaddr *)(sin)) 222 223 #ifdef __cplusplus 224 } 225 #endif 226 227 #endif /* _NETINET_IN_H_ */ 228