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68 lines
1.9 KiB
C
68 lines
1.9 KiB
C
/*
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* Mach Operating System
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* Copyright (c) 1987 Carnegie-Mellon University
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* All rights reserved. The CMU software License Agreement specifies
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* the terms and conditions for use and redistribution.
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*/
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/*
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**********************************************************************
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* HISTORY
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* 5-Nov-87 David Golub (dbg) at Carnegie-Mellon University
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* Use kernel-thread for networking code.
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*
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**********************************************************************
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*/
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/*
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* Copyright (c) 1980, 1986 Regents of the University of California.
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* All rights reserved. The Berkeley software License Agreement
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* specifies the terms and conditions for redistribution.
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*
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* @(#)netisr.h 7.1 (Berkeley) 6/4/86
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*/
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#ifdef MACH
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/*
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* The networking code is a separate kernel task, currently
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* bound to the master cpu.
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*/
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#if defined(KERNEL) && !defined(LOCORE)
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int soft_net_wakeup;
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#define setsoftnet() (wakeup((caddr_t)&soft_net_wakeup))
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#endif /* defined(KERNEL) && !defined(LOCORE) */
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#else /* MACH */
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/*
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* The networking code runs off software interrupts.
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*
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* You can switch into the network by doing splnet() and return by splx().
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* The software interrupt level for the network is higher than the software
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* level for the clock (so you can enter the network in routines called
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* at timeout time).
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*/
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#ifdef vax
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#define setsoftnet() mtpr(SIRR, 12)
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#endif
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#endif /* MACH */
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/*
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* Each ``pup-level-1'' input queue has a bit in a ``netisr'' status
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* word which is used to de-multiplex a single software
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* interrupt used for scheduling the network code to calls
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* on the lowest level routine of each protocol.
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*/
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#define NETISR_RAW 0 /* same as AF_UNSPEC */
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#define NETISR_IP 2 /* same as AF_INET */
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#define NETISR_IMP 3 /* same as AF_IMPLINK */
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#define NETISR_NS 6 /* same as AF_NS */
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#define schednetisr(anisr) { netisr |= 1<<(anisr); setsoftnet(); }
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#ifndef LOCORE
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#ifdef KERNEL
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int netisr; /* scheduling bits for network */
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#endif
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#endif
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