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Annotation of kernel/bsd/netns/ns_pcb.h, revision 1.1

1.1     ! root        1: /*
        !             2:  * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
        !             3:  *
        !             4:  * @APPLE_LICENSE_HEADER_START@
        !             5:  * 
        !             6:  * Portions Copyright (c) 1999 Apple Computer, Inc.  All Rights
        !             7:  * Reserved.  This file contains Original Code and/or Modifications of
        !             8:  * Original Code as defined in and that are subject to the Apple Public
        !             9:  * Source License Version 1.1 (the "License").  You may not use this file
        !            10:  * except in compliance with the License.  Please obtain a copy of the
        !            11:  * License at http://www.apple.com/publicsource and read it before using
        !            12:  * this file.
        !            13:  * 
        !            14:  * The Original Code and all software distributed under the License are
        !            15:  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
        !            16:  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
        !            17:  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
        !            18:  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
        !            19:  * License for the specific language governing rights and limitations
        !            20:  * under the License.
        !            21:  * 
        !            22:  * @APPLE_LICENSE_HEADER_END@
        !            23:  */
        !            24: 
        !            25: /*
        !            26:  * Copyright (c) 1984, 1985, 1986, 1987, 1993
        !            27:  *     The Regents of the University of California.  All rights reserved.
        !            28:  *
        !            29:  * Redistribution and use in source and binary forms, with or without
        !            30:  * modification, are permitted provided that the following conditions
        !            31:  * are met:
        !            32:  * 1. Redistributions of source code must retain the above copyright
        !            33:  *    notice, this list of conditions and the following disclaimer.
        !            34:  * 2. Redistributions in binary form must reproduce the above copyright
        !            35:  *    notice, this list of conditions and the following disclaimer in the
        !            36:  *    documentation and/or other materials provided with the distribution.
        !            37:  * 3. All advertising materials mentioning features or use of this software
        !            38:  *    must display the following acknowledgement:
        !            39:  *     This product includes software developed by the University of
        !            40:  *     California, Berkeley and its contributors.
        !            41:  * 4. Neither the name of the University nor the names of its contributors
        !            42:  *    may be used to endorse or promote products derived from this software
        !            43:  *    without specific prior written permission.
        !            44:  *
        !            45:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
        !            46:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
        !            47:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
        !            48:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
        !            49:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
        !            50:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
        !            51:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
        !            52:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
        !            53:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
        !            54:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
        !            55:  * SUCH DAMAGE.
        !            56:  *
        !            57:  *     @(#)ns_pcb.h    8.1 (Berkeley) 6/10/93
        !            58:  */
        !            59: 
        !            60: /*
        !            61:  * Ns protocol interface control block.
        !            62:  */
        !            63: struct nspcb {
        !            64:        struct  nspcb *nsp_next;        /* doubly linked list */
        !            65:        struct  nspcb *nsp_prev;
        !            66:        struct  nspcb *nsp_head;
        !            67:        struct  socket *nsp_socket;     /* back pointer to socket */
        !            68:        struct  ns_addr nsp_faddr;      /* destination address */
        !            69:        struct  ns_addr nsp_laddr;      /* socket's address */
        !            70:        caddr_t nsp_pcb;                /* protocol specific stuff */
        !            71:        struct  route nsp_route;        /* routing information */
        !            72:        struct  ns_addr nsp_lastdst;    /* validate cached route for dg socks*/
        !            73:        long    nsp_notify_param;       /* extra info passed via ns_pcbnotify*/
        !            74:        short   nsp_flags;
        !            75:        u_char  nsp_dpt;                /* default packet type for idp_output*/
        !            76:        u_char  nsp_rpt;                /* last received packet type by
        !            77:                                                                idp_input() */
        !            78: };
        !            79: 
        !            80: /* possible flags */
        !            81: 
        !            82: #define NSP_IN_ABORT   0x1             /* calling abort through socket */
        !            83: #define NSP_RAWIN      0x2             /* show headers on input */
        !            84: #define NSP_RAWOUT     0x4             /* show header on output */
        !            85: #define NSP_ALL_PACKETS        0x8             /* Turn off higher proto processing */
        !            86: 
        !            87: #define        NS_WILDCARD     1
        !            88: 
        !            89: #define nsp_lport nsp_laddr.x_port
        !            90: #define nsp_fport nsp_faddr.x_port
        !            91: 
        !            92: #define        sotonspcb(so)           ((struct nspcb *)((so)->so_pcb))
        !            93: 
        !            94: /*
        !            95:  * Nominal space allocated to a ns socket.
        !            96:  */
        !            97: #define        NSSNDQ          2048
        !            98: #define        NSRCVQ          2048
        !            99: 
        !           100: 
        !           101: #ifdef KERNEL
        !           102: struct nspcb nspcb;                    /* head of list */
        !           103: struct nspcb *ns_pcblookup();
        !           104: #endif

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