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- /*
- * Copyright (c) 1980, 1986, 1989, 1993
- * The Regents of the University of California. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by the University of
- * California, Berkeley and its contributors.
- * 4. Neither the name of the University nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- * @(#)netisr.h 8.1 (Berkeley) 6/10/93
- */
-
- /*
- * 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 NETISR_ISO 7 /* same as AF_ISO */
- #define NETISR_CCITT 10 /* same as AF_CCITT */
- #define NETISR_ARP 18 /* same as AF_LINK */
-
- #define schednetisr(anisr) { netisr |= 1<<(anisr); setsoftnet(); }
-
- #ifdef i386
- /* XXX Temporary -- soon to vanish - wfj */
- #define NETISR_SCLK 11 /* softclock */
- #define NETISR_AST 12 /* ast -- resched */
-
- #undef schednetisr
- #define schednetisr(anisr) {\
- if(netisr == 0) { \
- softem++; \
- } \
- netisr |= 1<<(anisr); \
- }
- #ifndef LOCORE
- #ifdef KERNEL
- int softem;
- #endif
- #endif
- #endif /* i386 */
-
- #ifndef LOCORE
- #ifdef KERNEL
- int netisr; /* scheduling bits for network */
- #endif
- #endif
-