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- /*
- * Copyright (c) 1980, 1986 Regents of the University of California.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms are permitted
- * provided that the above copyright notice and this paragraph are
- * duplicated in all such forms and that any documentation,
- * advertising materials, and other materials related to such
- * distribution and use acknowledge that the software was developed
- * by the University of California, Berkeley. The name of the
- * University may not be used to endorse or promote products derived
- * from this software without specific prior written permission.
- * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
- * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
- * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
- *
- * @(#)netisr.h 7.4 (Berkeley) 6/27/88
- */
-
- /*
- * The networking code runs off software interrupts.
- *
- * You can switch into the network by doing splnet() and return by splx().
- * The software interrupt level for the network is higher than the software
- * level for the clock (so you can enter the network in routines called
- * at timeout time).
- */
- #if defined(vax) || defined(tahoe)
- #define setsoftnet() mtpr(SIRR, 12)
- #endif
-
- /*
- * Each ``pup-level-1'' input queue has a bit in a ``netisr'' status
- * word which is used to de-multiplex a single software
- * interrupt used for scheduling the network code to calls
- * on the lowest level routine of each protocol.
- */
- #define NETISR_RAW 0 /* same as AF_UNSPEC */
- #define NETISR_IP 2 /* same as AF_INET */
- #define NETISR_IMP 3 /* same as AF_IMPLINK */
- #define NETISR_NS 6 /* same as AF_NS */
-
- #define schednetisr(anisr) { netisr |= 1<<(anisr); setsoftnet(); }
-
- #ifndef LOCORE
- #ifdef _KERNEL
- int netisr; /* scheduling bits for network */
- #endif
- #endif
-