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/* $OpenBSD: netisr.h,v 1.45 2016/05/03 14:52:39 mpi Exp $ */
/* $NetBSD: netisr.h,v 1.12 1995/08/12 23:59:24 mycroft Exp $ */
/*
* 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. 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
*/
#ifndef _NET_NETISR_H_
#define _NET_NETISR_H_
/*
* The networking code runs off software interrupts.
*
* You can switch into the network by doing splsoftnet() 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_IP 2 /* same as AF_INET */
#define NETISR_TX 3 /* for if_snd processing */
#define NETISR_PFSYNC 5 /* for pfsync "immediate" tx */
#define NETISR_IPV6 24 /* same as AF_INET6 */
#define NETISR_ISDN 26 /* same as AF_E164 */
#define NETISR_PPP 28 /* for PPP processing */
#define NETISR_BRIDGE 29 /* for bridge processing */
#define NETISR_PPPOE 30 /* for pppoe processing */
#ifndef _LOCORE
#ifdef _KERNEL
#include <sys/task.h>
#include <sys/atomic.h>
extern int netisr; /* scheduling bits for network */
extern struct task if_input_task_locked;
void ipintr(void);
void ip6intr(void);
void pppintr(void);
void bridgeintr(void);
void pppoeintr(void);
void pfsyncintr(void);
#define schednetisr(anisr) \
do { \
atomic_setbits_int(&netisr, (1 << (anisr))); \
task_add(softnettq, &if_input_task_locked); \
} while (/* CONSTCOND */0)
#endif /* _KERNEL */
#endif /*_LOCORE */
#endif /* _NET_NETISR_H_ */
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