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/*

 * 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