sys/netns/ns_pcb.h

/*
 * Copyright (c) 1984, 1985, 1986, 1987 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.
 *
 *      from: @(#)ns_pcb.h      7.4 (Berkeley) 6/28/90
 *      $Id$
 */

/*
 * Ns protocol interface control block.
 */
struct nspcb {
        struct  nspcb *nsp_next;        /* doubly linked list */
        struct  nspcb *nsp_prev;
        struct  nspcb *nsp_head;
        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