/*
 * 5799-WZQ (C) COPYRIGHT = NONE
 * LICENSED MATERIALS - PROPERTY OF IBM
 */
/* $Header:in_pcb.h 12.0$ */
/* $ACIS:in_pcb.h 12.0$ */
/* $Source: /ibm/acis/usr/sys/netinet/RCS/in_pcb.h,v $ */

#if !defined(lint) && !defined(LOCORE) && defined(RCS_HDRS)
static char *rcsidin_pcb = "$Header:in_pcb.h 12.0$";
#endif

/*
 * Copyright (c) 1982, 1986 Regents of the University of California.
 * All rights reserved.  The Berkeley software License Agreement
 * specifies the terms and conditions for redistribution.
 *
 *	@(#)in_pcb.h	7.1 (Berkeley) 6/5/86
 */

/*
 * 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 *inp_next,*inp_prev;
					/* pointers to other pcb's */
	struct	inpcb *inp_head;	/* pointer back to chain of inpcb's
					   for this protocol */
	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 */
	struct	mbuf *inp_options;	/* IP options */
};

#define	INPLOOKUP_WILDCARD	1
#define	INPLOOKUP_SETLOCAL	2

#define	sotoinpcb(so)	((struct inpcb *)(so)->so_pcb)

#ifdef KERNEL
struct	inpcb *in_pcblookup();
#endif
