in_pcb.h
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上传日期:2008-05-12
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文件大小:6k
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VxWorks
开发平台:
C/C++
- /* in_pcb.h - internet protocol control block header file */
- /* Copyright 1984-1996 Wind River Systems, Inc. */
- /*
- * 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_pcb.h 8.1 (Berkeley) 6/10/93
- */
- /*
- modification history
- --------------------
- 01d,10oct01,rae merge from truestack, add multicast vif to ip_moptions
- 01c,05oct97,vin moved ip_moptions field from ip_var.h
- 01b,31mar97,vin added pcb hashing functions.
- 01a,03mar96,vin created from BSD4.4 stuff,integrated with 02h of in_pcb.h
- */
- #ifndef __INCin_pcbh
- #define __INCin_pcbh
- #ifdef __cplusplus
- extern "C" {
- #endif
- #include "netinet/ip.h"
- #include "net/unixLib.h"
- #if ((CPU_FAMILY==I960) && (defined __GNUC__))
- #pragma align 1 /* tell gcc960 not to optimize alignments */
- #endif /* CPU_FAMILY==I960 */
- /*
- * Structure attached to inpcb.ip_moptions and
- * passed to ip_output when IP multicast options are in use.
- */
- struct ip_moptions {
- struct ifnet *imo_multicast_ifp; /* ifp for outgoing multicasts */
- u_char imo_multicast_ttl; /* TTL for outgoing multicasts */
- u_char imo_multicast_loop; /* 1 => hear sends if a member */
- u_short imo_num_memberships;/* no. memberships this socket */
- struct mBlk * pInmMblk; /* chain of multicast addrs */
- u_long imo_multicast_vif; /* the multicast vif to send on */
- };
- /*
- * Common structure pcb for internet protocol implementation.
- * Here are stored pointers to local and foreign host table
- * entries, local and foreign socket numbers, and pointers
- * up (to a socket structure) and down (to a protocol-specific)
- * control block.
- */
- LIST_HEAD(inpcbhead, inpcb);
- struct inpcb {
- LIST_ENTRY(inpcb) inp_list; /* list for all PCBs of this proto */
- LIST_ENTRY(inpcb) inp_hash; /* hash list */
- struct inpcbinfo *inp_pcbinfo;
- struct in_addr inp_faddr; /* foreign host table entry */
- u_short inp_fport; /* foreign port */
- struct in_addr inp_laddr; /* local host table entry */
- u_short inp_lport; /* local port */
- struct socket *inp_socket; /* back pointer to socket */
- caddr_t inp_ppcb; /* pointer to per-protocol pcb */
- struct route inp_route; /* placeholder for routing entry */
- int inp_flags; /* generic IP/datagram flags */
- struct ip inp_ip; /* header prototype; should have more */
- struct mbuf *inp_options; /* IP options */
- struct ip_moptions *inp_moptions; /* IP multicast options */
- };
- struct inpcbinfo {
- struct inpcbhead *listhead;
- struct inpcbhead *hashbase;
- unsigned long hashmask;
- unsigned short lastport;
- };
- #if ((CPU_FAMILY==I960) && (defined __GNUC__))
- #pragma align 0 /* turn off alignment requirement */
- #endif /* CPU_FAMILY==I960 */
- #define INP_PCBHASH(faddr, lport, fport, mask)
- (((faddr) ^ ((faddr) >> 16) ^ (lport) ^ (fport)) & (mask))
- /* flags in inp_flags: */
- #define INP_RECVOPTS 0x01 /* receive incoming IP options */
- #define INP_RECVRETOPTS 0x02 /* receive IP options for reply */
- #define INP_RECVDSTADDR 0x04 /* receive IP dst address */
- #define INP_CONTROLOPTS (INP_RECVOPTS|INP_RECVRETOPTS|INP_RECVDSTADDR)
- #define INP_HDRINCL 0x08 /* user supplies entire IP header */
- #define INPLOOKUP_WILDCARD 1
- #define sotoinpcb(so) ((struct inpcb *)(so)->so_pcb)
- extern void in_losing (struct inpcb *);
- extern int in_pcballoc (struct socket *, struct inpcbinfo *);
- extern int in_pcbbind (struct inpcb *, struct mbuf *);
- extern int in_pcbconnect (struct inpcb *, struct mbuf *);
- extern void in_pcbdetach (struct inpcb *);
- extern void in_pcbdisconnect (struct inpcb *);
- extern void in_pcbinshash (struct inpcb *);
- extern int in_pcbladdr (struct inpcb *, struct mbuf *, struct sockaddr_in **);
- extern struct inpcb * in_pcblookup (struct inpcbinfo *, struct in_addr, u_int,
- struct in_addr, u_int, int);
- extern struct inpcb * in_pcblookuphash (struct inpcbinfo *, struct in_addr,
- u_int, struct in_addr, u_int, int);
- extern void in_pcbnotify (struct inpcbhead *, struct sockaddr *, u_int,
- struct in_addr, u_int, int,
- void (*)(struct inpcb *, int));
- extern void in_pcbrehash (struct inpcb *);
- extern void in_rtchange (struct inpcb *, int);
- extern void in_setpeeraddr (struct inpcb *, struct mbuf *);
- extern void in_setsockaddr (struct inpcb *, struct mbuf *);
- #ifdef __cplusplus
- }
- #endif
- #endif /* __INCin_pcbh */