text: /*
   * Copyright (c) 1984, 1985, 1986, 1987, 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.
   *
   *	@(#)ns_pcb.h	8.1 (Berkeley) 6/10/93
   * $FreeBSD: src/sys/netns/ns_pcb.h,v 1.11 1999/12/29 04:46:20 peter Exp $
   */
  
  #ifndef _NETNS_NS_PCB_H_
  #define _NETNS_NS_PCB_H_
  
  /*
   * Ns protocol interface control block.
   */
  struct nspcb {
  	struct	nspcb *nsp_next;	/* doubly linked list */
  	struct	nspcb *nsp_prev;
  	struct	socket *nsp_socket;	/* back pointer to socket */
  	struct	ns_addr nsp_faddr;	/* destination address */
  	struct	ns_addr nsp_laddr;	/* socket's address */
  	caddr_t	nsp_pcb;		/* protocol specific stuff */
  	struct	route nsp_route;	/* routing information */
  	struct	ns_addr nsp_lastdst;	/* validate cached route for dg socks*/
  	long	nsp_notify_param;	/* extra info passed via ns_pcbnotify*/
  	short	nsp_flags;
  	u_char	nsp_dpt;		/* default packet type for idp_output*/
  	u_char	nsp_rpt;		/* last received packet type by
  								idp_input() */
  };
  
  /* possible flags */
  
  #define NSP_IN_ABORT	0x1		/* calling abort through socket */
  #define NSP_RAWIN	0x2		/* show headers on input */
  #define NSP_RAWOUT	0x4		/* show header on output */
  #define NSP_ALL_PACKETS	0x8		/* Turn off higher proto processing */
  
  #define	NS_WILDCARD	1
  
  #define nsp_lport nsp_laddr.x_port
  #define nsp_fport nsp_faddr.x_port
  
  #define	sotonspcb(so)		((struct nspcb *)((so)->so_pcb))
  
  /*
   * Nominal space allocated to a ns socket.
   */
  #define	NSSNDQ		2048
  #define	NSRCVQ		2048
  
  
  #ifdef _KERNEL
  struct	nspcb nspcb;			/* head of list */
  struct	nspcb *ns_pcblookup();
  #endif
  
  #endif
  