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[/] [openrisc/] [trunk/] [gnu-src/] [newlib-1.18.0/] [newlib/] [libc/] [sys/] [linux/] [include/] [net/] [netisr.h] - Rev 301
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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 * $FreeBSD: src/sys/net/netisr.h,v 1.26 2002/03/19 21:54:18 alfred 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). */ /* * 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_POLL 0 /* polling callback, must be first */ #define NETISR_IP 2 /* same as AF_INET */ #define NETISR_NS 6 /* same as AF_NS */ #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_USB 25 /* USB soft interrupt */ #define NETISR_PPP 27 /* PPP soft interrupt */ #define NETISR_IPV6 28 /* same as AF_INET6 */ #define NETISR_NATM 29 /* same as AF_NATM */ #define NETISR_ATM 30 /* same as AF_ATM */ #define NETISR_NETGRAPH 31 /* same as AF_NETGRAPH */ #ifndef LOCORE #ifdef _KERNEL void legacy_setsoftnet(void); extern volatile unsigned int netisr; /* scheduling bits for network */ extern void (*netisrs[32])(void); #define schednetisr(anisr) do { \ atomic_set_rel_int(&netisr, 1 << (anisr)); \ legacy_setsoftnet(); \ } while (0) typedef void netisr_t(void); int register_netisr(int, netisr_t *); int unregister_netisr(int); #endif #endif #endif
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