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[/] [or1k/] [trunk/] [rtems-20020807/] [cpukit/] [libnetworking/] [net/] [netisr.h] - Rev 1765
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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 * netisr.h,v 1.2 2002/01/31 21:40:47 joel Exp */ #ifndef _NET_NETISR_H_ #define _NET_NETISR_H_ /* * 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_ATALK 16 /* same as AF_APPLETALK */ #define NETISR_ARP 18 /* same as AF_LINK */ #define NETISR_IPX 23 /* same as AF_IPX */ #define NETISR_ISDN 26 /* same as AF_E164 */ #define NETISR_PPP 27 /* PPP soft interrupt */ #define schednetisr(anisr) rtems_bsdnet_schednetisr(anisr) #ifndef LOCORE #ifdef KERNEL extern volatile unsigned int netisr; /* scheduling bits for network */ typedef void netisr_t(void); struct netisrtab { int nit_num; netisr_t *nit_isr; }; #define NETISR_SET(num, isr) int register_netisr __P((int, netisr_t *)); #endif #endif #endif