netisr.c

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    1 /*
    2  * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
    3  *
    4  * @APPLE_LICENSE_HEADER_START@
    5  * 
    6  * Copyright (c) 1999-2003 Apple Computer, Inc.  All Rights Reserved.
    7  * 
    8  * This file contains Original Code and/or Modifications of Original Code
    9  * as defined in and that are subject to the Apple Public Source License
   10  * Version 2.0 (the 'License'). You may not use this file except in
   11  * compliance with the License. Please obtain a copy of the License at
   12  * http://www.opensource.apple.com/apsl/ and read it before using this
   13  * file.
   14  * 
   15  * The Original Code and all software distributed under the License are
   16  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
   17  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
   18  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
   19  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
   20  * Please see the License for the specific language governing rights and
   21  * limitations under the License.
   22  * 
   23  * @APPLE_LICENSE_HEADER_END@
   24  */
   25 /* 
   26  * Mach Operating System
   27  * Copyright (c) 1987 Carnegie-Mellon University
   28  * All rights reserved.  The CMU software License Agreement specifies
   29  * the terms and conditions for use and redistribution.
   30  */
   31 
   32 /* HISTORY
   33  * 18-May-90  Avadis Tevanian (avie) at NeXT
   34  *      Changed to use sensible priorities (higher numbers -> higher pri).
   35  *
   36  *  1-Feb-88  David Golub (dbg) at Carnegie-Mellon University
   37  *      Goofed... netisr thread must run at splnet, because the routines
   38  *      it calls expect to be called from the softnet interrupt (at
   39  *      splnet).
   40  *
   41  * 19-Nov-87  David Golub (dbg) at Carnegie-Mellon University
   42  *      Created.
   43  *
   44  */
   45 
   46 /*
   47  *      netisr.c
   48  *
   49  *      Kernel thread for network code.
   50  */
   51 
   52 
   53 #include <meta_features.h>
   54 #include <machine/spl.h>
   55 #include <net/netisr.h>
   56 
   57 #include <kern/thread.h>
   58 #include <kern/processor.h>
   59 
   60 volatile int netisr;
   61 
   62 
   63 void run_netisr(void)
   64 {
   65     spl_t spl = splnet();
   66 
   67         while (netisr != 0) {
   68 #ifdef  NIMP
   69 #if     NIMP > 0
   70                 if (netisr & (1<<NETISR_IMP)){
   71                         netisr &= ~(1<<NETISR_IMP);
   72                         impintr();
   73                 }
   74 #endif  /* NIMP > 0 */
   75 #endif  /* NIMP */
   76 
   77 #if     INET
   78                 if (netisr & (1<<NETISR_IP)){
   79                         void ipintr(void);
   80 
   81                         netisr &= ~(1<<NETISR_IP);
   82                         ipintr();
   83                 }
   84                 if (netisr & (1<<NETISR_ARP)) {
   85                         void arpintr(void);
   86 
   87                         netisr &= ~(1<<NETISR_ARP);
   88                         arpintr();
   89                 }
   90 #endif  /* INET */
   91 
   92 #if     INET6
   93                 if (netisr & (1<<NETISR_IPV6)){
   94                         void ip6intr(void);
   95 
   96                         netisr &= ~(1<<NETISR_IPV6);
   97                         ip6intr();
   98                 }
   99 #endif /* INET6 */
  100 
  101 #if     ISO
  102                 if (netisr & (1<<NETISR_ISO)) {
  103                 netisr &= ~(1<<NETISR_ISO);
  104                 isointr();
  105                 }
  106 #endif  /* ISO */
  107 
  108 #if     CCITT
  109                 if (netisr & (1<<NETISR_CCITT)) {
  110                 netisr &= ~(1<<NETISR_CCITT);
  111                 ccittintr();
  112                 }
  113 #endif  /* CCITT */
  114 
  115 #if     NS
  116                 if (netisr & (1<<NETISR_NS)){
  117                         netisr &= ~(1<<NETISR_NS);
  118                         nsintr();
  119                 }
  120 #endif  /* NS */
  121 
  122 #if NETAT
  123                 if (netisr & (1<<NETISR_APPLETALK)){
  124                         void atalkintr(void);
  125 
  126                         netisr &= ~(1<<NETISR_APPLETALK);
  127                         atalkintr();
  128                 }
  129 #endif /* NETAT */
  130         }
  131 
  132     splx(spl);
  133 
  134     return;
  135 }
  136

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FreeBSD/Linux Kernel Cross Reference sys/bsd/net/netisr.c

FreeBSD/Linux Kernel Cross Reference
sys/bsd/net/netisr.c