5adca30a18
replacing files when merging when you don't have deleted them manually (for some reason, it only works as part of the merge operation, and we didn't copy the whole tree to have "a fresh start" - next time we know better, at least if SVN still suffers from that same limitation). git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@18456 a95241bf-73f2-0310-859d-f6bbb57e9c96
174 lines
5.8 KiB
C
174 lines
5.8 KiB
C
/* in.h */
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#ifndef _NETINET_IN_H_
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#define _NETINET_IN_H_
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#include <sys/types.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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#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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extern uint32_t __swap_int32(uint32_t); /* private */
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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) __swap_int32(x)
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#define ntohl(x) __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 - add to as required... */
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enum {
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IPPROTO_IP = 0, /* 0, IPv4 */
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IPPROTO_ICMP = 1, /* 1, ICMP (v4) */
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IPPROTO_IGMP = 2, /* 2, IGMP (group management) */
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IPPROTO_TCP = 6, /* 6, tcp */
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IPPROTO_UDP = 17, /* 17, UDP */
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IPPROTO_IPV6 = 41, /* 41, IPv6 in IPv6 */
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IPPROTO_ROUTING = 43, /* 43, Routing */
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IPPROTO_ICMPV6 = 58, /* 58, IPv6 ICMP */
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IPPROTO_ETHERIP = 97, /* 97, Ethernet in IPv4 */
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IPPROTO_RAW = 255 /* 255 */
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};
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#define IPPROTO_MAX 256
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/* Port numbers...
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* < IPPORT_RESERVED are privileged and should be
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* accessible only by root
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* > IPPORT_USERRESERVED are reserved for servers, though
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* not requiring privileged status
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*/
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#define IPPORT_RESERVED 1024
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#define IPPORT_USERRESERVED 49151
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/* This is an IPv4 address structure. Why is it a structure?
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* Historical reasons.
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*/
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struct in_addr {
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in_addr_t s_addr;
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};
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/*
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* IP Version 4 socket address.
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*/
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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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/* the address is therefore at sin_addr.s_addr */
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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 /* 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 /* u_char; set/get IP multicast loopback */
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#define IP_ADD_MEMBERSHIP 12 /* ip_mreq; add an IP group membership */
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#define IP_DROP_MEMBERSHIP 13 /* ip_mreq; drop an IP group membership */
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#define __IPADDR(x) ((uint32_t)htonl((uint32_t)(x)))
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#define INADDR_ANY __IPADDR(0x00000000)
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#define INADDR_LOOPBACK __IPADDR(0x7f000001)
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#define INADDR_BROADCAST __IPADDR(0xffffffff) /* must be masked */
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#define INADDR_UNSPEC_GROUP __IPADDR(0xe0000000) /* 224.0.0.0 */
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#define INADDR_ALLHOSTS_GROUP __IPADDR(0xe0000001) /* 224.0.0.1 */
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#define INADDR_ALLROUTERS_GROUP __IPADDR(0xe0000002) /* 224.0.0.2 */
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#define INADDR_MAX_LOCAL_GROUP __IPADDR(0xe00000ff) /* 224.0.0.255 */
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#define IN_LOOPBACKNET 127 /* official! */
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#define INADDR_NONE __IPADDR(0xffffffff)
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#define IN_CLASSA(i) (((uint32_t)(i) & __IPADDR(0x80000000)) == \
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__IPADDR(0x00000000))
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#define IN_CLASSA_NET __IPADDR(0xff000000)
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#define IN_CLASSA_NSHIFT 24
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#define IN_CLASSA_HOST __IPADDR(0x00ffffff)
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#define IN_CLASSA_MAX 128
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#define IN_CLASSB(i) (((uint32_t)(i) & __IPADDR(0xc0000000)) == \
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__IPADDR(0x80000000))
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#define IN_CLASSB_NET __IPADDR(0xffff0000)
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#define IN_CLASSB_NSHIFT 16
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#define IN_CLASSB_HOST __IPADDR(0x0000ffff)
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#define IN_CLASSB_MAX 65536
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#define IN_CLASSC(i) (((uint32_t)(i) & __IPADDR(0xe0000000)) == \
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__IPADDR(0xc0000000))
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#define IN_CLASSC_NET __IPADDR(0xffffff00)
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#define IN_CLASSC_NSHIFT 8
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#define IN_CLASSC_HOST __IPADDR(0x000000ff)
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#define IN_CLASSD(i) (((uint32_t)(i) & __IPADDR(0xf0000000)) == \
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__IPADDR(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 __IPADDR(0xf0000000)
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#define IN_CLASSD_NSHIFT 28
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#define IN_CLASSD_HOST __IPADDR(0x0fffffff)
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#define IN_MULTICAST(i) IN_CLASSD(i)
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#define IN_EXPERIMENTAL(i) (((uint32_t)(i) & 0xf0000000) == 0xf0000000)
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#define IN_BADCLASS(i) (((uint32_t)(i) & 0xf0000000) == 0xf0000000)
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#define IP_MAX_MEMBERSHIPS 20
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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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struct ifnet; // forward declaration
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/* Prototypes... */
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int in_broadcast (struct in_addr, struct ifnet *);
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int in_canforward (struct in_addr);
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int in_localaddr (struct in_addr);
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void in_socktrim (struct sockaddr_in*);
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/* uint16 in_cksum (struct mbuf *, int); */
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struct mbuf;
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uint16_t in_cksum(struct mbuf *m, int len, int off);
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#ifdef __cplusplus
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}
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#endif /* __cplusplus */
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#endif /* NETINET_IN_H */
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