workbench/network/stacks/AROSTCP/bsdsocket/net/netisr.c

   1 /*
   2  * Copyright (C) 1993 AmiTCP/IP Group, <amitcp-group@hut.fi>
   3  *                    Helsinki University of Technology, Finland.
   4  *                    All rights reserved.
   5  * Copyright (C) 2005 Neil Cafferkey
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License version 2 as
   9  * published by the Free Software Foundation.
  10  *
  11  * This program is distributed in the hope that it will be useful, but
  12  * WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  14  * General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc., 59 Temple Place - Suite 330, Boston,
  19  * MA 02111-1307, USA.
  20  *
  21  */
  22
  23 #include <conf.h>
  24
  25 #include <sys/param.h>
  26 #include <kern/amiga_includes.h>        /* This is needed by sys/synch.h */
  27 #include <sys/synch.h>
  28
  29 #include <net/netisr.h>
  30
  31
  32 extern struct MsgPort *SanaPort;
  33
  34 ULONG netisr = 0L;
  35
  36 /*
  37  * scnednetisr(): schedule net "interrupt"
  38  * This routine signals TCP/IP task to run net_poll via sana_poll
  39  */
  40 void schednetisr(int isr)
  41 {
  42   netisr |= 1<<isr;
  43   Signal(SanaPort->mp_SigTask, 1<<SanaPort->mp_SigBit);
  44 }
  45
  46 void schednetisr_nosignal(int isr)
  47 {
  48   netisr |= 1<<isr;
  49 }
  50
  51 /*
  52  * net_poll(): run scheduled network level protocols
  53  *             this routine is called from sana_poll
  54  */
  55 void
  56   net_poll(void)
  57 {
  58   extern void ipintr(void);
  59   extern void impintr(void);
  60   extern void isointr(void);
  61   extern void ccittintr(void);
  62   extern void nsintr(void);
  63
  64   spl_t s = splimp();
  65   int n = netisr;
  66   netisr = 0;
  67   splx(s);
  68
  69   if (!n) return;
  70 #if     INET
  71   if (n & (1<<NETISR_IP)) {
  72     ipintr();
  73   }
  74 #endif /* INET */
  75 #if     NIMP > 0
  76   if (n & (1<<NETISR_IMP)) {
  77     impintr();
  78   }
  79 #endif /* NIMP > 0 */
  80 #if     ISO
  81   if (n & (1<<NETISR_ISO)) {
  82     isointr();
  83   }
  84 #endif /* ISO */
  85 #if     CCITT
  86   if (n & (1<<NETISR_CCITT)) {
  87     ccittintr();
  88   }
  89 #endif /* CCITT */
  90 #if     NS
  91   if (n & (1<<NETISR_NS)) {
  92     nsintr();
  93   }
  94 #endif /* NS */
  95 #if 0
  96   /* raw input do not go through the isr */
  97   if (n & (1<<NETISR_RAW)) {
  98     rawintr();
  99   }
 100 #endif
 101 }