128 lines
5.1 KiB
C
128 lines
5.1 KiB
C
/* $NetBSD: in_pcb.h,v 1.26 1998/10/05 14:33:14 lukem Exp $ */
|
|
|
|
/*
|
|
* 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
|
|
*/
|
|
|
|
#ifndef _NETINET_IN_PCB_H_
|
|
#define _NETINET_IN_PCB_H_
|
|
|
|
#include <sys/queue.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 {
|
|
LIST_ENTRY(inpcb) inp_hash;
|
|
CIRCLEQ_ENTRY(inpcb) inp_queue;
|
|
caddr_t inp_ppcb; /* pointer to per-protocol pcb */
|
|
int inp_state; /* bind/connect state */
|
|
u_int16_t inp_fport; /* foreign port */
|
|
u_int16_t inp_lport; /* local port */
|
|
struct socket *inp_socket; /* back pointer to socket */
|
|
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 */
|
|
int inp_errormtu; /* MTU of last xmit status = EMSGSIZE */
|
|
struct inpcbtable *inp_table;
|
|
};
|
|
#define inp_faddr inp_ip.ip_dst
|
|
#define inp_laddr inp_ip.ip_src
|
|
|
|
LIST_HEAD(inpcbhead, inpcb);
|
|
|
|
struct inpcbtable {
|
|
CIRCLEQ_HEAD(, inpcb) inpt_queue;
|
|
struct inpcbhead *inpt_bindhashtbl;
|
|
struct inpcbhead *inpt_connecthashtbl;
|
|
u_long inpt_bindhash;
|
|
u_long inpt_connecthash;
|
|
u_int16_t inpt_lastport;
|
|
u_int16_t inpt_lastlow;
|
|
};
|
|
#define inpt_lasthi inpt_lastport
|
|
|
|
/* states in inp_state: */
|
|
#define INP_ATTACHED 0
|
|
#define INP_BOUND 1
|
|
#define INP_CONNECTED 2
|
|
|
|
/* 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_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_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 *));
|
|
#endif
|
|
|
|
#endif /* _NETINET_IN_PCB_H_ */
|