NetBSD/sys/netinet/in_pcb.h

147 lines
6.4 KiB
C

/* $NetBSD: in_pcb.h,v 1.36 2003/10/23 20:55:08 mycroft Exp $ */
/*
* Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
* 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. Neither the name of the project 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 PROJECT 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 PROJECT 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.
*/
/*
* 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. 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
*/
#ifndef _NETINET_IN_PCB_H_
#define _NETINET_IN_PCB_H_
#include <sys/queue.h>
#include <netinet/in_pcb_hdr.h>
/*
* 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.
*/
struct inpcb {
struct inpcb_hdr inp_head;
#define inp_hash inp_head.inph_hash
#define inp_queue inp_head.inph_queue
#define inp_af inp_head.inph_af
#define inp_ppcb inp_head.inph_ppcb
#define inp_state inp_head.inph_state
#define inp_socket inp_head.inph_socket
#define inp_table inp_head.inph_table
#define inp_sp inp_head.inph_sp
struct route inp_route; /* placeholder for routing entry */
u_int16_t inp_fport; /* foreign port */
u_int16_t inp_lport; /* local port */
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 */
int inp_errormtu; /* MTU of last xmit status = EMSGSIZE */
};
#define inp_faddr inp_ip.ip_dst
#define inp_laddr inp_ip.ip_src
/* 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_HDRINCL 0x08 /* user supplies entire IP header */
#define INP_HIGHPORT 0x10 /* (unused; FreeBSD compat) */
#define INP_LOWPORT 0x20 /* user wants "low" port binding */
#define INP_ANONPORT 0x40 /* port chosen for user */
#define INP_RECVIF 0x80 /* receive incoming interface */
#define INP_CONTROLOPTS (INP_RECVOPTS|INP_RECVRETOPTS|INP_RECVDSTADDR|\
INP_RECVIF)
#define sotoinpcb(so) ((struct inpcb *)(so)->so_pcb)
#ifdef _KERNEL
void in_losing __P((struct inpcb *));
int in_pcballoc __P((struct socket *, void *));
int in_pcbbind __P((void *, struct mbuf *, struct proc *));
int in_pcbconnect __P((void *, struct mbuf *));
void in_pcbdetach __P((void *));
void in_pcbdisconnect __P((void *));
void in_pcbinit __P((struct inpcbtable *, int, int));
struct inpcb *
in_pcblookup_port __P((struct inpcbtable *,
struct in_addr, u_int, int));
struct inpcb *
in_pcblookup_bind __P((struct inpcbtable *,
struct in_addr, u_int));
struct inpcb *
in_pcblookup_connect __P((struct inpcbtable *,
struct in_addr, u_int, struct in_addr, u_int));
int in_pcbnotify __P((struct inpcbtable *, struct in_addr, u_int,
struct in_addr, u_int, int, void (*)(struct inpcb *, int)));
void in_pcbnotifyall __P((struct inpcbtable *, struct in_addr, int,
void (*)(struct inpcb *, int)));
void in_pcbpurgeif0 __P((struct inpcbtable *, struct ifnet *));
void in_pcbpurgeif __P((struct inpcbtable *, struct ifnet *));
void in_pcbstate __P((struct inpcb *, int));
void in_rtchange __P((struct inpcb *, int));
void in_setpeeraddr __P((struct inpcb *, struct mbuf *));
void in_setsockaddr __P((struct inpcb *, struct mbuf *));
struct rtentry *
in_pcbrtentry __P((struct inpcb *));
extern struct sockaddr_in *in_selectsrc __P((struct sockaddr_in *,
struct route *, int, struct ip_moptions *, int *));
#endif
#endif /* _NETINET_IN_PCB_H_ */