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Annotation of 42BSD/sys/net/netisr.h, revision 1.1

1.1     ! root        1: /*     netisr.h        6.1     83/07/29        */
        !             2: 
        !             3: /*
        !             4:  * The networking code runs off software interrupts.
        !             5:  *
        !             6:  * You can switch into the network by doing splnet() and return by splx().
        !             7:  * The software interrupt level for the network is higher than the software
        !             8:  * level for the clock (so you can enter the network in routines called
        !             9:  * at timeout time).
        !            10:  */
        !            11: #ifdef vax
        !            12: #define        setsoftnet()    mtpr(SIRR, 12)
        !            13: #endif
        !            14: 
        !            15: /*
        !            16:  * Each ``pup-level-1'' input queue has a bit in a ``netisr'' status
        !            17:  * word which is used to de-multiplex a single software
        !            18:  * interrupt used for scheduling the network code to calls
        !            19:  * on the lowest level routine of each protocol.
        !            20:  */
        !            21: #define        NETISR_RAW      0               /* same as AF_UNSPEC */
        !            22: #define        NETISR_IP       2               /* same as AF_INET */
        !            23: #define        NETISR_NS       6               /* same as AF_NS */
        !            24: #define        NETISR_ND       7               /* network disk protocol */
        !            25: 
        !            26: #define        schednetisr(anisr)      { netisr |= 1<<(anisr); setsoftnet(); }
        !            27: 
        !            28: #ifndef LOCORE
        !            29: #ifdef KERNEL
        !            30: int    netisr;                         /* scheduling bits for network */
        !            31: #endif
        !            32: #endif

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