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Annotation of kernel/bsd/net/netisr.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: /* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */
        !            26: /*
        !            27:  * Copyright (c) 1980, 1986, 1989, 1993
        !            28:  *     The Regents of the University of California.  All rights reserved.
        !            29:  *
        !            30:  * Redistribution and use in source and binary forms, with or without
        !            31:  * modification, are permitted provided that the following conditions
        !            32:  * are met:
        !            33:  * 1. Redistributions of source code must retain the above copyright
        !            34:  *    notice, this list of conditions and the following disclaimer.
        !            35:  * 2. Redistributions in binary form must reproduce the above copyright
        !            36:  *    notice, this list of conditions and the following disclaimer in the
        !            37:  *    documentation and/or other materials provided with the distribution.
        !            38:  * 3. All advertising materials mentioning features or use of this software
        !            39:  *    must display the following acknowledgement:
        !            40:  *     This product includes software developed by the University of
        !            41:  *     California, Berkeley and its contributors.
        !            42:  * 4. Neither the name of the University nor the names of its contributors
        !            43:  *    may be used to endorse or promote products derived from this software
        !            44:  *    without specific prior written permission.
        !            45:  *
        !            46:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
        !            47:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
        !            48:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
        !            49:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
        !            50:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
        !            51:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
        !            52:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
        !            53:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
        !            54:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
        !            55:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
        !            56:  * SUCH DAMAGE.
        !            57:  *
        !            58:  *     @(#)netisr.h    8.1 (Berkeley) 6/10/93
        !            59:  */
        !            60: 
        !            61: /*
        !            62:  * The networking code runs as a seperate kernel task.
        !            63:  */
        !            64: 
        !            65: /*
        !            66:  * Each ``pup-level-1'' input queue has a bit in a ``netisr'' status
        !            67:  * word which is used to de-multiplex a single software
        !            68:  * interrupt used for scheduling the network code to calls
        !            69:  * on the lowest level routine of each protocol.
        !            70:  */
        !            71: #define        NETISR_IP       2               /* same as AF_INET */
        !            72: #define        NETISR_IMP      3               /* same as AF_IMPLINK */
        !            73: #define        NETISR_NS       6               /* same as AF_NS */
        !            74: #define        NETISR_ISO      7               /* same as AF_ISO */
        !            75: #define        NETISR_CCITT    10              /* same as AF_CCITT */
        !            76: #define NETISR_APPLETALK 16            /* same as AF_APPLETALK */
        !            77: #define        NETISR_ARP      18              /* same as AF_LINK */
        !            78: #if defined (__ppc__)
        !            79: #define NETISR_BLUE    26              /* same as psuedo_AF_BLUE */
        !            80: #endif /* __ppc__ */
        !            81: 
        !            82: #if    defined(_KERNEL) && !defined(LOCORE)
        !            83: extern volatile int    netisr;                         /* scheduling bits for network */
        !            84: void wakeup(void *);
        !            85: extern int     soft_net_wakeup;
        !            86: #define        setsoftnet()    (wakeup((caddr_t)&soft_net_wakeup))
        !            87: #endif /* defined(_KERNEL) && !defined(LOCORE) */
        !            88: 
        !            89: #define        schednetisr(anisr)      { netisr |= 1<<(anisr); setsoftnet(); }
        !            90: 

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