Return to netisr.h CVS log

Up to [CSRG BSD Unix] / 43BSDReno / sys / net

Annotation of 43BSDReno/sys/net/netisr.h, revision 1.1

1.1     ! root        1: /*
        !             2:  * Copyright (c) 1980, 1986, 1989 Regents of the University of California.
        !             3:  * All rights reserved.
        !             4:  *
        !             5:  * Redistribution is only permitted until one year after the first shipment
        !             6:  * of 4.4BSD by the Regents.  Otherwise, redistribution and use in source and
        !             7:  * binary forms are permitted provided that: (1) source distributions retain
        !             8:  * this entire copyright notice and comment, and (2) distributions including
        !             9:  * binaries display the following acknowledgement:  This product includes
        !            10:  * software developed by the University of California, Berkeley and its
        !            11:  * contributors'' in the documentation or other materials provided with the
        !            12:  * distribution and in all advertising materials mentioning features or use
        !            13:  * of this software.  Neither the name of the University nor the names of
        !            14:  * its contributors may be used to endorse or promote products derived from
        !            15:  * this software without specific prior written permission.
        !            16:  * THIS SOFTWARE IS PROVIDED AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
        !            17:  * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
        !            18:  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
        !            19:  *
        !            20:  *     @(#)netisr.h    7.6 (Berkeley) 6/28/90
        !            21:  */
        !            22: 
        !            23: /*
        !            24:  * The networking code runs off software interrupts.
        !            25:  *
        !            26:  * You can switch into the network by doing splnet() and return by splx().
        !            27:  * The software interrupt level for the network is higher than the software
        !            28:  * level for the clock (so you can enter the network in routines called
        !            29:  * at timeout time).
        !            30:  */
        !            31: #if defined(vax) || defined(tahoe)
        !            32: #define        setsoftnet()    mtpr(SIRR, 12)
        !            33: #endif
        !            34: 
        !            35: /*
        !            36:  * Each ``pup-level-1'' input queue has a bit in a ``netisr'' status
        !            37:  * word which is used to de-multiplex a single software
        !            38:  * interrupt used for scheduling the network code to calls
        !            39:  * on the lowest level routine of each protocol.
        !            40:  */
        !            41: #define        NETISR_RAW      0               /* same as AF_UNSPEC */
        !            42: #define        NETISR_IP       2               /* same as AF_INET */
        !            43: #define        NETISR_IMP      3               /* same as AF_IMPLINK */
        !            44: #define        NETISR_NS       6               /* same as AF_NS */
        !            45: #define        NETISR_ISO      7               /* same as AF_ISO */
        !            46: 
        !            47: #define        schednetisr(anisr)      { netisr |= 1<<(anisr); setsoftnet(); }
        !            48: 
        !            49: #ifndef LOCORE
        !            50: #ifdef KERNEL
        !            51: int    netisr;                         /* scheduling bits for network */
        !            52: #endif
        !            53: #endif

This archive runs on limited infrastructure. Preserving old code on modern bandwidth. Automated agents are requested to crawl responsibly.