NetBSD/sys/net/netisr.h

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/* $NetBSD: netisr.h,v 1.23 2000/07/03 02:16:07 cgd Exp $ */
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/*
* Copyright (c) 1980, 1986, 1989, 1993
* The Regents of the University of California. All rights reserved.
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*
* 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
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*/
#ifndef _NET_NETISR_H_
#define _NET_NETISR_H_ /* checked by netisr_dispatch.h */
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/*
* The networking code runs off software interrupts.
*
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* You can switch into the network by doing splsoftnet() and return by splx().
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* 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).
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*
* The routine to request a network software interrupt, setsoftnet(),
* is defined in the machine-specific include files.
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*/
#if defined(_KERNEL)
#if !defined(_LKM)
#include "opt_inet.h"
#include "opt_atalk.h"
#include "opt_ccitt.h"
#include "opt_iso.h"
#include "opt_ns.h"
#include "opt_natm.h"
#include "arp.h"
#include "ppp.h"
#endif /* !defined(_LKM) */
#if !defined(_LOCORE)
/* XXX struct sockaddr defn for for if.h, if_arp.h */
#include <sys/socket.h>
/*
* XXX IFNAMSIZE for if_ppp.h, natm.h; struct ifnet decl for in6.h, in.h;
* XXX struct mbuf decl for in6.h, in.h, route.h (via in_var.h).
*/
#include <net/if.h>
#ifdef INET
#include <netinet/in.h>
#include <netinet/ip_var.h>
#if NARP > 0
#include <netinet/if_inarp.h>
#endif
#endif
#ifdef INET6
# ifndef INET
# include <netinet/in.h>
# endif
#include <netinet/ip6.h>
#include <netinet6/ip6_var.h>
#endif
#ifdef NS
#include <netns/ns_var.h>
#endif
#ifdef ISO
#include <netiso/iso.h>
#include <netiso/clnp.h>
#endif
#ifdef CCITT
#include <netccitt/x25isr.h>
#endif
#ifdef NATM
#include <netnatm/natm.h>
#endif
#ifdef NETATALK
#include <netatalk/at_extern.h>
#endif
#if NPPP > 0
#include <net/ppp_defs.h>
#include <net/if_ppp.h>
#endif
#endif /* !defined(_LOCORE) */
#endif /* defined(_KERNEL) */
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/*
* 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_IP 2 /* same as AF_INET */
#define NETISR_NS 6 /* same as AF_NS */
#define NETISR_ISO 7 /* same as AF_ISO */
#define NETISR_CCITT 10 /* same as AF_CCITT */
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#define NETISR_ATALK 16 /* same as AF_APPLETALK */
#define NETISR_IPX 23 /* same as AF_IPX */
#define NETISR_IPV6 24 /* same as AF_INET6 */
#define NETISR_ISDN 26 /* same as AF_E164 */
#define NETISR_NATM 27 /* same as AF_NATM */
#define NETISR_ARP 28 /* same as AF_ARP */
#define NETISR_PPP 31 /* for PPP processing */
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#if defined(_KERNEL) && !defined(_LOCORE)
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#define schednetisr(anisr) { netisr |= 1<<(anisr); setsoftnet(); }
int netisr; /* scheduling bits for network */
#endif /* defined(_KERNEL) && !defined(_LOCORE) */
#endif /* _NET_NETISR_H_ */