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Annotation of Net2/netns/ns_pcb.h, revision 1.1.1.1

1.1       root        1: /*
                      2:  * Copyright (c) 1984, 1985, 1986, 1987 Regents of the University of California.
                      3:  * All rights reserved.
                      4:  *
                      5:  * Redistribution and use in source and binary forms, with or without
                      6:  * modification, are permitted provided that the following conditions
                      7:  * are met:
                      8:  * 1. Redistributions of source code must retain the above copyright
                      9:  *    notice, this list of conditions and the following disclaimer.
                     10:  * 2. Redistributions in binary form must reproduce the above copyright
                     11:  *    notice, this list of conditions and the following disclaimer in the
                     12:  *    documentation and/or other materials provided with the distribution.
                     13:  * 3. All advertising materials mentioning features or use of this software
                     14:  *    must display the following acknowledgement:
                     15:  *     This product includes software developed by the University of
                     16:  *     California, Berkeley and its contributors.
                     17:  * 4. Neither the name of the University nor the names of its contributors
                     18:  *    may be used to endorse or promote products derived from this software
                     19:  *    without specific prior written permission.
                     20:  *
                     21:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
                     22:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
                     23:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
                     24:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
                     25:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
                     26:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
                     27:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
                     28:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
                     29:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
                     30:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
                     31:  * SUCH DAMAGE.
                     32:  *
                     33:  *     @(#)ns_pcb.h    7.4 (Berkeley) 6/28/90
                     34:  */
                     35: 
                     36: /*
                     37:  * Ns protocol interface control block.
                     38:  */
                     39: struct nspcb {
                     40:        struct  nspcb *nsp_next;        /* doubly linked list */
                     41:        struct  nspcb *nsp_prev;
                     42:        struct  nspcb *nsp_head;
                     43:        struct  socket *nsp_socket;     /* back pointer to socket */
                     44:        struct  ns_addr nsp_faddr;      /* destination address */
                     45:        struct  ns_addr nsp_laddr;      /* socket's address */
                     46:        caddr_t nsp_pcb;                /* protocol specific stuff */
                     47:        struct  route nsp_route;        /* routing information */
                     48:        struct  ns_addr nsp_lastdst;    /* validate cached route for dg socks*/
                     49:        long    nsp_notify_param;       /* extra info passed via ns_pcbnotify*/
                     50:        short   nsp_flags;
                     51:        u_char  nsp_dpt;                /* default packet type for idp_output*/
                     52:        u_char  nsp_rpt;                /* last received packet type by
                     53:                                                                idp_input() */
                     54: };
                     55: 
                     56: /* possible flags */
                     57: 
                     58: #define NSP_IN_ABORT   0x1             /* calling abort through socket */
                     59: #define NSP_RAWIN      0x2             /* show headers on input */
                     60: #define NSP_RAWOUT     0x4             /* show header on output */
                     61: #define NSP_ALL_PACKETS        0x8             /* Turn off higher proto processing */
                     62: 
                     63: #define        NS_WILDCARD     1
                     64: 
                     65: #define nsp_lport nsp_laddr.x_port
                     66: #define nsp_fport nsp_faddr.x_port
                     67: 
                     68: #define        sotonspcb(so)           ((struct nspcb *)((so)->so_pcb))
                     69: 
                     70: /*
                     71:  * Nominal space allocated to a ns socket.
                     72:  */
                     73: #define        NSSNDQ          2048
                     74: #define        NSRCVQ          2048
                     75: 
                     76: 
                     77: #ifdef KERNEL
                     78: struct nspcb nspcb;                    /* head of list */
                     79: struct nspcb *ns_pcblookup();
                     80: #endif

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