bsd/net/netisr.h

   1 /*
   2  * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * The contents of this file constitute Original Code as defined in and
   7  * are subject to the Apple Public Source License Version 1.1 (the
   8  * "License").  You may not use this file except in compliance with the
   9  * License.  Please obtain a copy of the License at
  10  * http://www.apple.com/publicsource and read it before using this file.
  11  *
  12  * This Original Code and all software distributed under the License are
  13  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  14  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  15  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  16  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
  17  * License for the specific language governing rights and limitations
  18  * under the License.
  19  *
  20  * @APPLE_LICENSE_HEADER_END@
  21  */
  22 /* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */
  23 /*
  24  * Copyright (c) 1980, 1986, 1989, 1993
  25  *      The Regents of the University of California.  All rights reserved.
  26  *
  27  * Redistribution and use in source and binary forms, with or without
  28  * modification, are permitted provided that the following conditions
  29  * are met:
  30  * 1. Redistributions of source code must retain the above copyright
  31  *    notice, this list of conditions and the following disclaimer.
  32  * 2. Redistributions in binary form must reproduce the above copyright
  33  *    notice, this list of conditions and the following disclaimer in the
  34  *    documentation and/or other materials provided with the distribution.
  35  * 3. All advertising materials mentioning features or use of this software
  36  *    must display the following acknowledgement:
  37  *      This product includes software developed by the University of
  38  *      California, Berkeley and its contributors.
  39  * 4. Neither the name of the University nor the names of its contributors
  40  *    may be used to endorse or promote products derived from this software
  41  *    without specific prior written permission.
  42  *
  43  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  44  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  45  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  46  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  47  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  48  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  49  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  50  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  51  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  52  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  53  * SUCH DAMAGE.
  54  *
  55  *      @(#)netisr.h    8.1 (Berkeley) 6/10/93
  56  */
  57
  58 /*
  59  * The networking code runs as a seperate kernel task.
  60  */
  61
  62 /*
  63  * Each ``pup-level-1'' input queue has a bit in a ``netisr'' status
  64  * word which is used to de-multiplex a single software
  65  * interrupt used for scheduling the network code to calls
  66  * on the lowest level routine of each protocol.
  67  */
  68 #define NETISR_IP       2               /* same as AF_INET */
  69 #define NETISR_IMP      3               /* same as AF_IMPLINK */
  70 #define NETISR_NS       6               /* same as AF_NS */
  71 #define NETISR_ISO      7               /* same as AF_ISO */
  72 #define NETISR_CCITT    10              /* same as AF_CCITT */
  73 #define NETISR_APPLETALK 16             /* same as AF_APPLETALK */
  74 #define NETISR_ARP      18              /* same as AF_LINK */
  75 #define NETISR_BLUE     26              /* same as psuedo_AF_BLUE */
  76 #define NETISR_IPV6     30              /* same as AF_INET6 */
  77
  78 #define NETISR_SET(a,b)
  79
  80 #if     defined(KERNEL) && !defined(LOCORE)
  81 extern volatile int     netisr;                         /* scheduling bits for network */
  82 void wakeup(void *);
  83 extern int     dlil_input_thread_wakeup;
  84 #define        setsoftnet()    (wakeup((caddr_t)&dlil_input_thread_wakeup))
  85
  86 #endif  /* defined(KERNEL) && !defined(LOCORE) */
  87
  88 #define schednetisr(anisr)      { netisr |= 1<<(anisr); setsoftnet(); }
  89