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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 4680 | right-hear | 1 | #ifndef _NETINET_IN_H |
| 2 | #define _NETINET_IN_H |
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| 3 | |||
| 4 | #include |
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| 5 | #include |
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| 6 | #include |
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| 7 | |||
| 8 | __BEGIN_DECLS |
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| 9 | |||
| 10 | /* Standard well-defined IP protocols. */ |
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| 11 | enum { |
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| 12 | IPPROTO_IP = 0, /* Dummy protocol for TCP */ |
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| 13 | #define IPPROTO_IP IPPROTO_IP |
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| 14 | IPPROTO_ICMP = 1, /* Internet Control Message Protocol */ |
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| 15 | #define IPPROTO_ICMP IPPROTO_ICMP |
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| 16 | IPPROTO_IGMP = 2, /* Internet Group Management Protocol */ |
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| 17 | #define IPPROTO_IGMP IPPROTO_IGMP |
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| 18 | IPPROTO_IPIP = 4, /* IPIP tunnels (older KA9Q tunnels use 94) */ |
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| 19 | #define IPPROTO_IPIP IPPROTO_IPIP |
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| 20 | IPPROTO_TCP = 6, /* Transmission Control Protocol */ |
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| 21 | #define IPPROTO_TCP IPPROTO_TCP |
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| 22 | IPPROTO_EGP = 8, /* Exterior Gateway Protocol */ |
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| 23 | #define IPPROTO_EGP IPPROTO_EGP |
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| 24 | IPPROTO_PUP = 12, /* PUP protocol */ |
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| 25 | #define IPPROTO_PUP IPPROTO_PUP |
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| 26 | IPPROTO_UDP = 17, /* User Datagram Protocol */ |
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| 27 | #define IPPROTO_UDP IPPROTO_UDP |
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| 28 | IPPROTO_IDP = 22, /* XNS IDP protocol */ |
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| 29 | #define IPPROTO_IDP IPPROTO_IDP |
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| 30 | IPPROTO_RSVP = 46, /* RSVP protocol */ |
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| 31 | #define IPPROTO_RSVP IPPROTO_RSVP |
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| 32 | IPPROTO_GRE = 47, /* Cisco GRE tunnels (rfc 1701,1702) */ |
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| 33 | #define IPPROTO_GRE IPPROTO_GRE |
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| 34 | IPPROTO_IPV6 = 41, /* IPv6-in-IPv4 tunnelling */ |
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| 35 | #define IPPROTO_IPV6 IPPROTO_IPV6 |
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| 36 | IPPROTO_PIM = 103, /* Protocol Independent Multicast */ |
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| 37 | #define IPPROTO_PIM IPPROTO_PIM |
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| 38 | IPPROTO_ESP = 50, /* Encapsulation Security Payload protocol */ |
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| 39 | #define IPPROTO_ESP IPPROTO_ESP |
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| 40 | IPPROTO_AH = 51, /* Authentication Header protocol */ |
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| 41 | #define IPPROTO_AH IPPROTO_AH |
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| 42 | IPPROTO_COMP = 108, /* Compression Header protocol */ |
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| 43 | #define IPPROTO_COMP IPPROTO_COMP |
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| 44 | IPPROTO_RAW = 255, /* Raw IP packets */ |
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| 45 | #define IPPROTO_RAW IPPROTO_RAW |
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| 46 | IPPROTO_MAX |
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| 47 | }; |
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| 48 | |||
| 49 | #define IP_TOS 1 |
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| 50 | #define IP_TTL 2 |
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| 51 | #define IP_HDRINCL 3 |
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| 52 | #define IP_OPTIONS 4 |
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| 53 | #define IP_ROUTER_ALERT 5 |
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| 54 | #define IP_RECVOPTS 6 |
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| 55 | #define IP_RETOPTS 7 |
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| 56 | #define IP_PKTINFO 8 |
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| 57 | #define IP_PKTOPTIONS 9 |
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| 58 | #define IP_MTU_DISCOVER 10 |
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| 59 | #define IP_RECVERR 11 |
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| 60 | #define IP_RECVTTL 12 |
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| 61 | #define IP_RECVTOS 13 |
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| 62 | #define IP_MTU 14 |
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| 63 | #define IP_FREEBIND 15 |
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| 64 | |||
| 65 | /* BSD compatibility */ |
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| 66 | #define IP_RECVRETOPTS IP_RETOPTS |
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| 67 | |||
| 68 | /* IP_MTU_DISCOVER values */ |
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| 69 | #define IP_PMTUDISC_DONT 0 /* Never send DF frames */ |
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| 70 | #define IP_PMTUDISC_WANT 1 /* Use per route hints */ |
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| 71 | #define IP_PMTUDISC_DO 2 /* Always DF */ |
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| 72 | |||
| 73 | #define IP_MULTICAST_IF 32 |
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| 74 | #define IP_MULTICAST_TTL 33 |
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| 75 | #define IP_MULTICAST_LOOP 34 |
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| 76 | #define IP_ADD_MEMBERSHIP 35 |
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| 77 | #define IP_DROP_MEMBERSHIP 36 |
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| 78 | |||
| 79 | /* These need to appear somewhere around here */ |
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| 80 | #define IP_DEFAULT_MULTICAST_TTL 1 |
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| 81 | #define IP_DEFAULT_MULTICAST_LOOP 1 |
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| 82 | |||
| 83 | #define IN6ADDR_ANY_INIT {{{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }}} |
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| 84 | #define IN6ADDR_LOOPBACK_INIT {{{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1 }}} |
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| 85 | extern const struct in6_addr in6addr_any; |
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| 86 | extern const struct in6_addr in6addr_loopback; |
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| 87 | |||
| 88 | typedef uint16_t in_port_t; |
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| 89 | typedef uint32_t in_addr_t; |
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| 90 | |||
| 91 | struct in_addr { |
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| 92 | in_addr_t s_addr; |
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| 93 | }; |
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| 94 | |||
| 95 | struct ip_mreq { |
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| 96 | struct in_addr imr_multiaddr; /* IP multicast address of group */ |
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| 97 | struct in_addr imr_interface; /* local IP address of interface */ |
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| 98 | }; |
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| 99 | |||
| 100 | struct ip_mreqn { |
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| 101 | struct in_addr imr_multiaddr; /* IP multicast address of group */ |
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| 102 | struct in_addr imr_address; /* local IP address of interface */ |
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| 103 | int imr_ifindex; /* Interface index */ |
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| 104 | }; |
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| 105 | |||
| 106 | struct in_pktinfo { |
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| 107 | int ipi_ifindex; |
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| 108 | struct in_addr ipi_spec_dst; |
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| 109 | struct in_addr ipi_addr; |
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| 110 | }; |
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| 111 | |||
| 112 | /* Structure describing an Internet (IP) socket address. */ |
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| 113 | #define __SOCK_SIZE__ 16 /* sizeof(struct sockaddr) */ |
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| 114 | struct sockaddr_in { |
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| 115 | sa_family_t sin_family; /* Address family */ |
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| 116 | in_port_t sin_port; /* Port number */ |
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| 117 | struct in_addr sin_addr; /* Internet address */ |
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| 118 | /* Pad to size of `struct sockaddr'. */ |
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| 119 | unsigned char sin_zero[__SOCK_SIZE__ - sizeof(short int) - |
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| 120 | sizeof(unsigned short int) - sizeof(struct in_addr)]; |
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| 121 | }; |
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| 122 | |||
| 123 | |||
| 124 | /* |
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| 125 | * Definitions of the bits in an Internet address integer. |
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| 126 | * On subnets, host and network parts are found according |
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| 127 | * to the subnet mask, not these masks. |
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| 128 | */ |
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| 129 | #define IN_CLASSA(a) ((((long int) (a)) & 0x80000000) == 0) |
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| 130 | #define IN_CLASSA_NET 0xff000000 |
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| 131 | #define IN_CLASSA_NSHIFT 24 |
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| 132 | #define IN_CLASSA_HOST (0xffffffff & ~IN_CLASSA_NET) |
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| 133 | #define IN_CLASSA_MAX 128 |
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| 134 | |||
| 135 | #define IN_CLASSB(a) ((((long int) (a)) & 0xc0000000) == 0x80000000) |
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| 136 | #define IN_CLASSB_NET 0xffff0000 |
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| 137 | #define IN_CLASSB_NSHIFT 16 |
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| 138 | #define IN_CLASSB_HOST (0xffffffff & ~IN_CLASSB_NET) |
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| 139 | #define IN_CLASSB_MAX 65536 |
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| 140 | |||
| 141 | #define IN_CLASSC(a) ((((long int) (a)) & 0xe0000000) == 0xc0000000) |
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| 142 | #define IN_CLASSC_NET 0xffffff00 |
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| 143 | #define IN_CLASSC_NSHIFT 8 |
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| 144 | #define IN_CLASSC_HOST (0xffffffff & ~IN_CLASSC_NET) |
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| 145 | |||
| 146 | #define IN_CLASSD(a) ((((long int) (a)) & 0xf0000000) == 0xe0000000) |
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| 147 | #define IN_MULTICAST(a) IN_CLASSD(a) |
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| 148 | #define IN_MULTICAST_NET 0xF0000000 |
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| 149 | |||
| 150 | #define IN_EXPERIMENTAL(a) ((((long int) (a)) & 0xf0000000) == 0xf0000000) |
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| 151 | #define IN_BADCLASS(a) IN_EXPERIMENTAL((a)) |
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| 152 | |||
| 153 | /* Address to accept any incoming messages. */ |
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| 154 | #define INADDR_ANY ((unsigned long int) 0x00000000) |
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| 155 | |||
| 156 | /* Address to send to all hosts. */ |
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| 157 | #define INADDR_BROADCAST ((unsigned long int) 0xffffffff) |
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| 158 | |||
| 159 | /* Address indicating an error return. */ |
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| 160 | #define INADDR_NONE ((unsigned long int) 0xffffffff) |
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| 161 | |||
| 162 | /* Network number for local host loopback. */ |
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| 163 | #define IN_LOOPBACKNET 127 |
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| 164 | |||
| 165 | /* Address to loopback in software to local host. */ |
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| 166 | #define INADDR_LOOPBACK 0x7f000001 /* 127.0.0.1 */ |
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| 167 | #define IN_LOOPBACK(a) ((((long int) (a)) & 0xff000000) == 0x7f000000) |
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| 168 | |||
| 169 | /* Defines for Multicast INADDR */ |
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| 170 | #define INADDR_UNSPEC_GROUP 0xe0000000U /* 224.0.0.0 */ |
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| 171 | #define INADDR_ALLHOSTS_GROUP 0xe0000001U /* 224.0.0.1 */ |
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| 172 | #define INADDR_ALLRTRS_GROUP 0xe0000002U /* 224.0.0.2 */ |
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| 173 | #define INADDR_MAX_LOCAL_GROUP 0xe00000ffU /* 224.0.0.255 */ |
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| 174 | |||
| 175 | struct in6_addr { |
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| 176 | union { |
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| 177 | uint8_t u6_addr8[16]; |
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| 178 | uint16_t u6_addr16[8]; |
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| 179 | uint32_t u6_addr32[4]; |
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| 180 | } in6_u; |
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| 181 | #define s6_addr in6_u.u6_addr8 |
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| 182 | #define s6_addr16 in6_u.u6_addr16 |
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| 183 | #define s6_addr32 in6_u.u6_addr32 |
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| 184 | }; |
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| 185 | |||
| 186 | struct sockaddr_in6 { |
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| 187 | unsigned short int sin6_family; /* AF_INET6 */ |
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| 188 | uint16_t sin6_port; /* Transport layer port # */ |
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| 189 | uint32_t sin6_flowinfo; /* IPv6 flow information */ |
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| 190 | struct in6_addr sin6_addr; /* IPv6 address */ |
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| 191 | uint32_t sin6_scope_id; /* scope id (new in RFC2553) */ |
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| 192 | }; |
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| 193 | |||
| 194 | struct sockaddr_in_pad { |
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| 195 | sa_family_t sin_family; /* Address family */ |
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| 196 | in_port_t sin_port; /* Port number */ |
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| 197 | struct in_addr sin_addr; /* Internet address */ |
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| 198 | /* Pad to size of `struct sockaddr_in6'. */ |
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| 199 | unsigned char sin_zero[sizeof(struct sockaddr_in6) - sizeof(short int) - |
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| 200 | sizeof(unsigned short int) - sizeof(struct in_addr)]; |
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| 201 | }; |
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| 202 | |||
| 203 | struct ipv6_mreq { |
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| 204 | /* IPv6 multicast address of group */ |
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| 205 | struct in6_addr ipv6mr_multiaddr; |
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| 206 | /* local IPv6 address of interface */ |
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| 207 | int ipv6mr_interface; |
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| 208 | }; |
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| 209 | |||
| 210 | struct in6_flowlabel_req { |
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| 211 | struct in6_addr flr_dst; |
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| 212 | uint32_t flr_label; |
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| 213 | uint8_t flr_action; |
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| 214 | uint8_t flr_share; |
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| 215 | uint16_t flr_flags; |
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| 216 | uint16_t flr_expires; |
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| 217 | uint16_t flr_linger; |
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| 218 | uint32_t __flr_pad; |
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| 219 | /* Options in format of IPV6_PKTOPTIONS */ |
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| 220 | }; |
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| 221 | |||
| 222 | #define IPV6_FL_A_GET 0 |
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| 223 | #define IPV6_FL_A_PUT 1 |
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| 224 | #define IPV6_FL_A_RENEW 2 |
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| 225 | |||
| 226 | #define IPV6_FL_F_CREATE 1 |
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| 227 | #define IPV6_FL_F_EXCL 2 |
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| 228 | |||
| 229 | #define IPV6_FL_S_NONE 0 |
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| 230 | #define IPV6_FL_S_EXCL 1 |
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| 231 | #define IPV6_FL_S_PROCESS 2 |
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| 232 | #define IPV6_FL_S_USER 3 |
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| 233 | #define IPV6_FL_S_ANY 255 |
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| 234 | |||
| 235 | #define IPV6_FLOWINFO_FLOWLABEL 0x000fffff |
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| 236 | #define IPV6_FLOWINFO_PRIORITY 0x0ff00000 |
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| 237 | |||
| 238 | /* |
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| 239 | * IPV6 extension headers |
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| 240 | */ |
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| 241 | #define IPPROTO_HOPOPTS 0 /* IPv6 hop-by-hop options */ |
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| 242 | #define IPPROTO_ROUTING 43 /* IPv6 routing header */ |
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| 243 | #define IPPROTO_FRAGMENT 44 /* IPv6 fragmentation header */ |
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| 244 | #define IPPROTO_ICMPV6 58 /* ICMPv6 */ |
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| 245 | #define IPPROTO_NONE 59 /* IPv6 no next header */ |
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| 246 | #define IPPROTO_DSTOPTS 60 /* IPv6 destination options */ |
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| 247 | |||
| 248 | /* IPv6 TLV options. */ |
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| 249 | #define IPV6_TLV_PAD0 0 |
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| 250 | #define IPV6_TLV_PADN 1 |
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| 251 | #define IPV6_TLV_ROUTERALERT 5 |
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| 252 | #define IPV6_TLV_JUMBO 194 |
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| 253 | |||
| 254 | /* IPV6 socket options. */ |
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| 255 | #define IPV6_ADDRFORM 1 |
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| 256 | #define IPV6_PKTINFO 2 |
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| 257 | #define IPV6_HOPOPTS 3 |
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| 258 | #define IPV6_DSTOPTS 4 |
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| 259 | #define IPV6_RTHDR 5 |
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| 260 | #define IPV6_PKTOPTIONS 6 |
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| 261 | #define IPV6_CHECKSUM 7 |
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| 262 | #define IPV6_HOPLIMIT 8 |
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| 263 | #define IPV6_NEXTHOP 9 |
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| 264 | #define IPV6_AUTHHDR 10 |
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| 265 | #define IPV6_FLOWINFO 11 |
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| 266 | |||
| 267 | #define IPV6_UNICAST_HOPS 16 |
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| 268 | #define IPV6_MULTICAST_IF 17 |
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| 269 | #define IPV6_MULTICAST_HOPS 18 |
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| 270 | #define IPV6_MULTICAST_LOOP 19 |
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| 271 | #define IPV6_ADD_MEMBERSHIP 20 |
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| 272 | #define IPV6_DROP_MEMBERSHIP 21 |
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| 273 | #define IPV6_ROUTER_ALERT 22 |
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| 274 | #define IPV6_MTU_DISCOVER 23 |
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| 275 | #define IPV6_MTU 24 |
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| 276 | #define IPV6_RECVERR 25 |
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| 277 | |||
| 278 | /* IPV6_MTU_DISCOVER values */ |
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| 279 | #define IPV6_PMTUDISC_DONT 0 |
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| 280 | #define IPV6_PMTUDISC_WANT 1 |
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| 281 | #define IPV6_PMTUDISC_DO 2 |
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| 282 | |||
| 283 | /* Flowlabel */ |
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| 284 | #define IPV6_FLOWLABEL_MGR 32 |
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| 285 | #define IPV6_FLOWINFO_SEND 33 |
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| 286 | |||
| 287 | #define IPV6_MIN_MTU 1280 |
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| 288 | |||
| 289 | struct in6_pktinfo { |
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| 290 | struct in6_addr ipi6_addr; |
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| 291 | int ipi6_ifindex; |
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| 292 | }; |
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| 293 | |||
| 294 | struct in6_ifreq { |
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| 295 | struct in6_addr ifr6_addr; |
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| 296 | uint32_t ifr6_prefixlen; |
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| 297 | int ifr6_ifindex; |
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| 298 | }; |
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| 299 | |||
| 300 | #define IPV6_SRCRT_STRICT 0x01 /* this hop must be a neighbor */ |
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| 301 | #define IPV6_SRCRT_TYPE_0 0 /* IPv6 type 0 Routing Header */ |
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| 302 | |||
| 303 | /* routing header */ |
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| 304 | struct ipv6_rt_hdr { |
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| 305 | uint8_t nexthdr; |
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| 306 | uint8_t hdrlen; |
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| 307 | uint8_t type; |
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| 308 | uint8_t segments_left; |
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| 309 | /* type specific data, variable length field */ |
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| 310 | }; |
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| 311 | |||
| 312 | struct ipv6_opt_hdr { |
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| 313 | uint8_t nexthdr; |
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| 314 | uint8_t hdrlen; |
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| 315 | /* TLV encoded option data follows. */ |
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| 316 | }; |
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| 317 | |||
| 318 | #define ipv6_destopt_hdr ipv6_opt_hdr |
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| 319 | #define ipv6_hopopt_hdr ipv6_opt_hdr |
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| 320 | |||
| 321 | /* routing header type 0 (used in cmsghdr struct) */ |
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| 322 | |||
| 323 | #ifndef __STRICT_ANSI__ |
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| 324 | struct rt0_hdr { |
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| 325 | struct ipv6_rt_hdr rt_hdr; |
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| 326 | uint32_t bitmap; /* strict/loose bit map */ |
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| 327 | struct in6_addr addr[0]; |
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| 328 | #define rt0_type rt_hdr.type; |
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| 329 | }; |
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| 330 | #endif |
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| 331 | |||
| 332 | struct ipv6hdr { |
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| 333 | #if __BYTE_ORDER == __LITTLE_ENDIAN |
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| 334 | unsigned int flow_lbl:20, |
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| 335 | priority:8, |
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| 336 | version:4; |
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| 337 | #else |
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| 338 | unsigned int version:4, |
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| 339 | priority:8, |
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| 340 | flow_lbl:20; |
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| 341 | #endif |
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| 342 | |||
| 343 | uint16_t payload_len; |
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| 344 | uint8_t nexthdr; |
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| 345 | uint8_t hop_limit; |
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| 346 | |||
| 347 | struct in6_addr saddr; |
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| 348 | struct in6_addr daddr; |
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| 349 | }; |
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| 350 | /* fnord */ |
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| 351 | |||
| 352 | #define IPPORT_RESERVED 1024 |
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| 353 | #define INET6_ADDRSTRLEN 46 |
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| 354 | |||
| 355 | #undef htonl |
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| 356 | #undef htons |
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| 357 | #undef ntohl |
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| 358 | #undef ntohs |
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| 359 | uint32_t htonl(uint32_t hostlong); |
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| 360 | uint16_t htons(uint16_t hostshort); |
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| 361 | uint32_t ntohl(uint32_t netlong); |
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| 362 | uint16_t ntohs(uint16_t netshort); |
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| 363 | |||
| 364 | #define IN6_IS_ADDR_UNSPECIFIED(a) \ |
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| 365 | (((__const uint32_t *) (a))[0] == 0 \ |
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| 366 | && ((__const uint32_t *) (a))[1] == 0 \ |
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| 367 | && ((__const uint32_t *) (a))[2] == 0 \ |
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| 368 | && ((__const uint32_t *) (a))[3] == 0) |
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| 369 | |||
| 370 | #define IN6_IS_ADDR_LOOPBACK(a) \ |
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| 371 | (((__const uint32_t *) (a))[0] == 0 \ |
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| 372 | && ((__const uint32_t *) (a))[1] == 0 \ |
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| 373 | && ((__const uint32_t *) (a))[2] == 0 \ |
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| 374 | && ((__const uint32_t *) (a))[3] == htonl (1)) |
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| 375 | |||
| 376 | #define IN6_IS_ADDR_MULTICAST(a) (((__const uint8_t *) (a))[0] == 0xff) |
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| 377 | |||
| 378 | #define IN6_IS_ADDR_LINKLOCAL(a) \ |
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| 379 | ((((__const uint32_t *) (a))[0] & htonl (0xffc00000)) \ |
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| 380 | == htonl (0xfe800000)) |
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| 381 | |||
| 382 | #define IN6_IS_ADDR_SITELOCAL(a) \ |
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| 383 | ((((__const uint32_t *) (a))[0] & htonl (0xffc00000)) \ |
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| 384 | == htonl (0xfec00000)) |
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| 385 | |||
| 386 | #define IN6_IS_ADDR_V4MAPPED(a) \ |
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| 387 | ((((__const uint32_t *) (a))[0] == 0) \ |
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| 388 | && (((__const uint32_t *) (a))[1] == 0) \ |
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| 389 | && (((__const uint32_t *) (a))[2] == htonl (0xffff))) |
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| 390 | |||
| 391 | #define IN6_IS_ADDR_V4COMPAT(a) \ |
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| 392 | ((((__const uint32_t *) (a))[0] == 0) \ |
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| 393 | && (((__const uint32_t *) (a))[1] == 0) \ |
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| 394 | && (((__const uint32_t *) (a))[2] == 0) \ |
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| 395 | && (ntohl (((__const uint32_t *) (a))[3]) > 1)) |
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| 396 | |||
| 397 | #define IN6_ARE_ADDR_EQUAL(a,b) \ |
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| 398 | ((((__const uint32_t *) (a))[0] == ((__const uint32_t *) (b))[0]) \ |
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| 399 | && (((__const uint32_t *) (a))[1] == ((__const uint32_t *) (b))[1]) \ |
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| 400 | && (((__const uint32_t *) (a))[2] == ((__const uint32_t *) (b))[2]) \ |
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| 401 | && (((__const uint32_t *) (a))[3] == ((__const uint32_t *) (b))[3])) |
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| 402 | |||
| 403 | /* old legacy bullshit */ |
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| 404 | int bindresvport(int sd, struct sockaddr_in* _sin); |
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| 405 | |||
| 406 | #define IN6_IS_ADDR_MC_NODELOCAL(a) \ |
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| 407 | (IN6_IS_ADDR_MULTICAST(a) \ |
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| 408 | && ((((__const uint8_t *) (a))[1] & 0xf) == 0x1)) |
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| 409 | |||
| 410 | #define IN6_IS_ADDR_MC_LINKLOCAL(a) \ |
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| 411 | (IN6_IS_ADDR_MULTICAST(a) \ |
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| 412 | && ((((__const uint8_t *) (a))[1] & 0xf) == 0x2)) |
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| 413 | |||
| 414 | #define IN6_IS_ADDR_MC_SITELOCAL(a) \ |
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| 415 | (IN6_IS_ADDR_MULTICAST(a) \ |
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| 416 | && ((((__const uint8_t *) (a))[1] & 0xf) == 0x5)) |
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| 417 | |||
| 418 | #define IN6_IS_ADDR_MC_ORGLOCAL(a) \ |
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| 419 | (IN6_IS_ADDR_MULTICAST(a) \ |
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| 420 | && ((((__const uint8_t *) (a))[1] & 0xf) == 0x8)) |
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| 421 | |||
| 422 | #define IN6_IS_ADDR_MC_GLOBAL(a) \ |
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| 423 | (IN6_IS_ADDR_MULTICAST(a) \ |
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| 424 | && ((((__const uint8_t *) (a))[1] & 0xf) == 0xe)) |
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| 425 | |||
| 426 | __END_DECLS |
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| 427 | |||
| 428 | #endif |