in.h
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上传用户:luoyougen
上传日期:2008-05-12
资源大小:23136k
文件大小:11k
源码类别:
VxWorks
开发平台:
C/C++
- /* in.h - internet header file */
- /*
- * Copyright (c) 1982, 1986, 1990, 1993
- * The Regents of the University of California. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by the University of
- * California, Berkeley and its contributors.
- * 4. Neither the name of the University nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- * @(#)in.h 8.3 (Berkeley) 1/3/94
- */
- /*
- modification history
- --------------------
- 01g,31aug00,rae add INADDR_ALLRTRS_GROUP
- 01f,29oct99,spm renamed ip_opts field to comply with C++ standard (SPR #27782)
- 01e,07jul97,rjc modifications to sockaddr_rt structure
- 01d,30jun97,rjc modifications for reverting back to old rtentry struct.
- 01c,06feb97,rjc modified TOS_{GET, SET} macros.
- 01b,30dec96,rjc added IPPROTO_OSPF and tos routing changes.
- 01a,03mar96,vin created from BSD4.4 stuff,integrated with 01n of in.h
- */
- #ifndef __INCinh
- #define __INCinh
- #ifdef __cplusplus
- extern "C" {
- #endif
- #include "vxWorks.h"
- #include "sys/types.h"
- #include "net/if.h"
- #include "net/mbuf.h"
- #if ((CPU_FAMILY==I960) && (defined __GNUC__))
- #pragma align 1 /* tell gcc960 not to optimize alignments */
- #endif /* CPU_FAMILY==I960 */
- /*
- * Constants and structures defined by the internet system,
- * Per RFC 790, September 1981, and numerous additions.
- */
- /*
- * Protocols
- */
- #define IPPROTO_IP 0 /* dummy for IP */
- #define IPPROTO_ICMP 1 /* control message protocol */
- #define IPPROTO_IGMP 2 /* group mgmt protocol */
- #define IPPROTO_GGP 3 /* gateway^2 (deprecated) */
- #define IPPROTO_TCP 6 /* tcp */
- #define IPPROTO_EGP 8 /* exterior gateway protocol */
- #define IPPROTO_PUP 12 /* pup */
- #define IPPROTO_UDP 17 /* user datagram protocol */
- #define IPPROTO_IDP 22 /* xns idp */
- #define IPPROTO_TP 29 /* tp-4 w/ class negotiation */
- #define IPPROTO_EON 80 /* ISO cnlp */
- #define IPPROTO_OSPF 89 /* OSPF version 2 */
- #define IPPROTO_ENCAP 98 /* encapsulation header */
- #define IPPROTO_RAW 255 /* raw IP packet */
- #define IPPROTO_MAX 256
- /*
- * Local port number conventions:
- * Ports < IPPORT_RESERVED are reserved for
- * privileged processes (e.g. root).
- * Ports > IPPORT_USERRESERVED are reserved
- * for servers, not necessarily privileged.
- */
- #define IPPORT_RESERVED 1024
- #define IPPORT_USERRESERVED 5000
- /*
- * Internet address (a structure for historical reasons)
- */
- struct in_addr {
- u_long s_addr;
- };
- /*
- * Definitions of bits in internet address integers.
- * On subnets, the decomposition of addresses to host and net parts
- * is done according to subnet mask, not the masks here.
- */
- #define IN_CLASSA(i) (((long)(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) (((long)(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) (((long)(i) & 0xe0000000) == 0xc0000000)
- #define IN_CLASSC_NET 0xffffff00
- #define IN_CLASSC_NSHIFT 8
- #define IN_CLASSC_HOST 0x000000ff
- #define IN_CLASSD(i) (((long)(i) & 0xf0000000) == 0xe0000000)
- #define IN_CLASSD_NET 0xf0000000 /* These ones aren't really */
- #define IN_CLASSD_NSHIFT 28 /* net and host fields, but */
- #define IN_CLASSD_HOST 0x0fffffff /* routing needn't know. */
- #define IN_MULTICAST(i) IN_CLASSD(i)
- #define IN_EXPERIMENTAL(i) (((long)(i) & 0xf0000000) == 0xf0000000)
- #define IN_BADCLASS(i) (((long)(i) & 0xf0000000) == 0xf0000000)
- #define INADDR_ANY (u_long)0x00000000
- #define INADDR_LOOPBACK (u_long)0x7f000001
- #define INADDR_BROADCAST (u_long)0xffffffff /* must be masked */
- #define INADDR_NONE 0xffffffff /* -1 return */
- #define INADDR_UNSPEC_GROUP (u_long)0xe0000000 /* 224.0.0.0 */
- #define INADDR_ALLHOSTS_GROUP (u_long)0xe0000001 /* 224.0.0.1 */
- #define INADDR_ALLRTRS_GROUP (u_long)0xe0000002 /* 224.0.0.2 */
- #define INADDR_MAX_LOCAL_GROUP (u_long)0xe00000ff /* 224.0.0.255 */
- #define IN_LOOPBACKNET 127 /* official! */
- /*
- * Socket address, internet style.
- */
- struct sockaddr_in {
- u_char sin_len;
- u_char sin_family;
- u_short sin_port;
- struct in_addr sin_addr;
- char sin_zero[8];
- };
- /*
- * macros for getting and setting tos values in sockaddr_in
- * structures. A new sockaddr structure is defined for this
- * purpose as shown below.
- */
- struct sockaddr_rt {
- u_char srt_len;
- u_char srt_family;
- u_char srt_proto;
- u_char srt_tos;
- struct in_addr srt_addr;
- char sin_zero[8];
- };
- #define TOS_GET(pSockaddr) (((struct sockaddr_rt *)(pSockaddr))->srt_tos)
- #define TOS_SET(pSockaddr, tosVal) (((struct sockaddr_rt *)(pSockaddr))->
- srt_tos = tosVal)
- #define RT_PROTO_GET(pSockaddr) (((struct sockaddr_rt *)(pSockaddr))->srt_proto)
- #define RT_PROTO_SET(pSockaddr, proto) (((struct sockaddr_rt *)(pSockaddr))->
- srt_proto = proto)
- /*
- * Structure used to describe IP options.
- * Used to store options internally, to pass them to a process,
- * or to restore options retrieved earlier.
- * The ip_dst is used for the first-hop gateway when using a source route
- * (this gets put into the header proper).
- */
- struct ip_opts {
- struct in_addr ip_dst; /* first hop, 0 w/o src rt */
- char opts[40]; /* actually variable in size */
- };
- /*
- * 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 /* u_char; 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 */
- /*
- * Defaults and limits for options
- */
- #define IP_DEFAULT_MULTICAST_TTL 1 /* normally limit m'casts to 1 hop */
- #define IP_DEFAULT_MULTICAST_LOOP 1 /* normally hear sends if a member */
- #define IP_MAX_MEMBERSHIPS 20 /* per socket; must fit in one mbuf */
- /*
- * Argument structure for IP_ADD_MEMBERSHIP and IP_DROP_MEMBERSHIP.
- */
- struct ip_mreq {
- struct in_addr imr_multiaddr; /* IP multicast address of group */
- struct in_addr imr_interface; /* local IP address of interface */
- };
- #if ((CPU_FAMILY==I960) && (defined __GNUC__))
- #pragma align 0 /* turn off alignment requirement */
- #endif /* CPU_FAMILY==I960 */
- /*
- * Definitions for inet sysctl operations.
- *
- * Third level is protocol number.
- * Fourth level is desired variable within that protocol.
- */
- #define IPPROTO_MAXID (IPPROTO_IDP + 1) /* don't list to IPPROTO_MAX */
- #define CTL_IPPROTO_NAMES {
- { "ip", CTLTYPE_NODE },
- { "icmp", CTLTYPE_NODE },
- { "igmp", CTLTYPE_NODE },
- { "ggp", CTLTYPE_NODE },
- { 0, 0 },
- { 0, 0 },
- { "tcp", CTLTYPE_NODE },
- { 0, 0 },
- { "egp", CTLTYPE_NODE },
- { 0, 0 },
- { 0, 0 },
- { 0, 0 },
- { "pup", CTLTYPE_NODE },
- { 0, 0 },
- { 0, 0 },
- { 0, 0 },
- { 0, 0 },
- { "udp", CTLTYPE_NODE },
- { 0, 0 },
- { 0, 0 },
- { 0, 0 },
- { 0, 0 },
- { "idp", CTLTYPE_NODE },
- }
- /*
- * Names for IP sysctl objects
- */
- #define IPCTL_FORWARDING 1 /* act as router */
- #define IPCTL_SENDREDIRECTS 2 /* may send redirects when forwarding */
- #define IPCTL_DEFTTL 3 /* default TTL */
- #ifdef notyet
- #define IPCTL_DEFMTU 4 /* default MTU */
- #endif
- #define IPCTL_MAXID 5
- #define IPCTL_NAMES {
- { 0, 0 },
- { "forwarding", CTLTYPE_INT },
- { "redirect", CTLTYPE_INT },
- { "ttl", CTLTYPE_INT },
- { "mtu", CTLTYPE_INT },
- }
- /*
- * Macros for number representation conversion.
- */
- #if _BYTE_ORDER==_BIG_ENDIAN
- #define ntohl(x) (x)
- #define ntohs(x) (x)
- #define htonl(x) (x)
- #define htons(x) (x)
- #define NTOHL(x) (x) = ntohl((u_long)(x))
- #define NTOHS(x) (x) = ntohs((u_short)(x))
- #define HTONL(x) (x) = htonl((u_long)(x))
- #define HTONS(x) (x) = htons((u_short)(x))
- #endif /* _BYTE_ORDER==_BIG_ENDIAN */
- #if _BYTE_ORDER==_LITTLE_ENDIAN
- #if FALSE
- UINT16 ntohs ();
- UINT16 htons ();
- UINT32 ntohl ();
- UINT32 htonl ();
- #endif /* FALSE */
- #define ntohl(x) ((((x) & 0x000000ff) << 24) |
- (((x) & 0x0000ff00) << 8) |
- (((x) & 0x00ff0000) >> 8) |
- (((x) & 0xff000000) >> 24))
- #define htonl(x) ((((x) & 0x000000ff) << 24) |
- (((x) & 0x0000ff00) << 8) |
- (((x) & 0x00ff0000) >> 8) |
- (((x) & 0xff000000) >> 24))
- #define ntohs(x) ((((x) & 0x00ff) << 8) |
- (((x) & 0xff00) >> 8))
- #define htons(x) ((((x) & 0x00ff) << 8) |
- (((x) & 0xff00) >> 8))
- #define NTOHL(x) (x) = ntohl((u_long)(x))
- #define NTOHS(x) (x) = ntohs((u_short)(x))
- #define HTONL(x) (x) = htonl((u_long)(x))
- #define HTONS(x) (x) = htons((u_short)(x))
- #endif /* _BYTE_ORDER==_LITTLE_ENDIAN */
- extern struct domain inetdomain;
- extern BOOL inet_netmatch(struct sockaddr_in *sin1, struct sockaddr_in *sin2);
- extern void in_makeaddr_b(u_long net, u_long host, struct in_addr * pAddr);
- extern u_long in_lnaof();
- extern void in_ifaddr_remove();
- extern int in_broadcast (struct in_addr, struct ifnet *);
- extern int in_canforward (struct in_addr);
- extern int in_cksum (struct mbuf *, int);
- extern int in_localaddr (struct in_addr);
- extern u_long in_netof (struct in_addr);
- extern void in_socktrim (struct sockaddr_in *);
- extern struct in_ifaddr *in_iaonnetof(u_long net);
- #ifdef __cplusplus
- }
- #endif
- #endif /* __INCinh */