FreeBSD/Linux Kernel Cross Reference
sys/netipx/ipx_pcb.h

     /*
      * Copyright (c) 1995, Mike Mitchell
      * 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.
     *
     *      @(#)ipx_pcb.h
     *
     * $FreeBSD: releng/5.3/sys/netipx/ipx_pcb.h 136588 2004-10-16 08:43:07Z cvs2svn $
     */
    
    #ifndef _NETIPX_IPX_PCB_H_
    #define _NETIPX_IPX_PCB_H_
    
    /*
     * IPX protocol interface control block.
     */
    struct ipxpcb {
            struct  ipxpcb *ipxp_next;      /* doubly linked list */
            struct  ipxpcb *ipxp_prev;
            struct  ipxpcb *ipxp_head;
            struct  socket *ipxp_socket;    /* back pointer to socket */
            struct  ipx_addr ipxp_faddr;    /* destination address */
            struct  ipx_addr ipxp_laddr;    /* socket's address */
            caddr_t ipxp_pcb;               /* protocol specific stuff */
            struct  route ipxp_route;       /* routing information */
            struct  ipx_addr ipxp_lastdst;  /* validate cached route for dg socks*/
            long    ipxp_notify_param;      /* extra info passed via ipx_pcbnotify*/
            short   ipxp_flags;
            u_char  ipxp_dpt;               /* default packet type for ipx_output */
            u_char  ipxp_rpt;               /* last received packet type by ipx_input() */
    };
    
    /* possible flags */
    
    #define IPXP_IN_ABORT           0x1     /* calling abort through socket */
    #define IPXP_RAWIN              0x2     /* show headers on input */
    #define IPXP_RAWOUT             0x4     /* show header on output */
    #define IPXP_ALL_PACKETS        0x8     /* Turn off higher proto processing */
    #define IPXP_CHECKSUM           0x10    /* use checksum on this socket */
    
    #define IPX_WILDCARD            1
    
    #define ipxp_lport ipxp_laddr.x_port
    #define ipxp_fport ipxp_faddr.x_port
    
    #define sotoipxpcb(so)          ((struct ipxpcb *)((so)->so_pcb))
    
    /*
     * Nominal space allocated to an IPX socket.
     */
    #define IPXSNDQ         16384
    #define IPXRCVQ         40960
    
    #ifdef _KERNEL
    extern struct ipxpcb ipxpcb;                    /* head of list */
    
    int     ipx_pcballoc(struct socket *so, struct ipxpcb *head,
                              struct thread *p);
    int     ipx_pcbbind(struct ipxpcb *ipxp, struct sockaddr *nam,
                             struct thread *p);
    int     ipx_pcbconnect(struct ipxpcb *ipxp, struct sockaddr *nam,
                                struct thread *p);
    void    ipx_pcbdetach(struct ipxpcb *ipxp);
    void    ipx_pcbdisconnect(struct ipxpcb *ipxp);
    struct ipxpcb *
            ipx_pcblookup(struct ipx_addr *faddr, int lport, int wildp);
    void    ipx_pcbnotify(struct ipx_addr *dst, int errno,
                               void (*notify)(struct ipxpcb *), long param);
    void    ipx_setpeeraddr(struct ipxpcb *ipxp, struct sockaddr **nam);
    void    ipx_setsockaddr(struct ipxpcb *ipxp, struct sockaddr **nam);
    #endif /* _KERNEL */
   
   #endif /* !_NETIPX_IPX_PCB_H_ */

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