projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| 15637ed4 RG |
1 | /* |
| 2 | * Copyright (c) 1980, 1986, 1989 Regents of the University of California. | |
| 3 | * All rights reserved. | |
| 4 | * | |
| 5 | * Redistribution and use in source and binary forms, with or without | |
| 6 | * modification, are permitted provided that the following conditions | |
| 7 | * are met: | |
| 8 | * 1. Redistributions of source code must retain the above copyright | |
| 9 | * notice, this list of conditions and the following disclaimer. | |
| 10 | * 2. Redistributions in binary form must reproduce the above copyright | |
| 11 | * notice, this list of conditions and the following disclaimer in the | |
| 12 | * documentation and/or other materials provided with the distribution. | |
| 13 | * 3. All advertising materials mentioning features or use of this software | |
| 14 | * must display the following acknowledgement: | |
| 15 | * This product includes software developed by the University of | |
| 16 | * California, Berkeley and its contributors. | |
| 17 | * 4. Neither the name of the University nor the names of its contributors | |
| 18 | * may be used to endorse or promote products derived from this software | |
| 19 | * without specific prior written permission. | |
| 20 | * | |
| 21 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND | |
| 22 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
| 23 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
| 24 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE | |
| 25 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
| 26 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
| 27 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
| 28 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
| 29 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
| 30 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
| 31 | * SUCH DAMAGE. | |
| 32 | * | |
| 70c5ff60 | 33 | * from: @(#)netisr.h 7.8 (Berkeley) 5/7/91 |
| 1c7454b0 | 34 | * $Id: netisr.h,v 1.5 1993/12/20 14:58:31 wollman Exp $ |
| 15637ed4 RG |
35 | */ |
| 36 | ||
| 8ace4366 GW |
37 | #ifndef _NET_NETISR_H_ |
| 38 | #define _NET_NETISR_H_ 1 | |
| 39 | ||
| 15637ed4 RG |
40 | /* |
| 41 | * The networking code runs off software interrupts. | |
| 42 | * | |
| 43 | * You can switch into the network by doing splnet() and return by splx(). | |
| 44 | * The software interrupt level for the network is higher than the software | |
| 45 | * level for the clock (so you can enter the network in routines called | |
| 46 | * at timeout time). | |
| 47 | */ | |
| 48 | #if defined(vax) || defined(tahoe) | |
| 49 | #define setsoftnet() mtpr(SIRR, 12) | |
| 50 | #endif | |
| 51 | ||
| 52 | /* | |
| 53 | * Each ``pup-level-1'' input queue has a bit in a ``netisr'' status | |
| 54 | * word which is used to de-multiplex a single software | |
| 55 | * interrupt used for scheduling the network code to calls | |
| 56 | * on the lowest level routine of each protocol. | |
| 57 | */ | |
| 58 | #define NETISR_RAW 0 /* same as AF_UNSPEC */ | |
| 59 | #define NETISR_IP 2 /* same as AF_INET */ | |
| 60 | #define NETISR_IMP 3 /* same as AF_IMPLINK */ | |
| 61 | #define NETISR_NS 6 /* same as AF_NS */ | |
| 62 | #define NETISR_ISO 7 /* same as AF_ISO */ | |
| aea5f5d2 GW |
63 | #define NETISR_X25 9 /* hope nobody wants AF_DATAKIT */ |
| 64 | #define NETISR_HDLC 10 /* same as AF_CCITT */ | |
| 15637ed4 RG |
65 | |
| 66 | #define schednetisr(anisr) { netisr |= 1<<(anisr); setsoftnet(); } | |
| 67 | ||
| 15637ed4 RG |
68 | #ifndef LOCORE |
| 69 | #ifdef KERNEL | |
| 1c7454b0 | 70 | extern volatile unsigned netisr; /* scheduling bits for network */ |
| 15637ed4 RG |
71 | #endif |
| 72 | #endif | |
| 8ace4366 | 73 | #endif /* _NET_NETISR_H_ */ |