xref: /openbsd/sys/net/netisr.h (revision cc90b7e6)
1 /*	$OpenBSD: netisr.h,v 1.61 2023/07/06 04:55:05 dlg Exp $	*/
2 /*	$NetBSD: netisr.h,v 1.12 1995/08/12 23:59:24 mycroft Exp $	*/
3 
4 /*
5  * Copyright (c) 1980, 1986, 1989, 1993
6  *	The Regents of the University of California.  All rights reserved.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  * 1. Redistributions of source code must retain the above copyright
12  *    notice, this list of conditions and the following disclaimer.
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in the
15  *    documentation and/or other materials provided with the distribution.
16  * 3. Neither the name of the University nor the names of its contributors
17  *    may be used to endorse or promote products derived from this software
18  *    without specific prior written permission.
19  *
20  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
21  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
24  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30  * SUCH DAMAGE.
31  *
32  *	@(#)netisr.h	8.1 (Berkeley) 6/10/93
33  */
34 
35 #ifndef _NET_NETISR_H_
36 #define _NET_NETISR_H_
37 
38 /*
39  * Each ``pup-level-1'' input queue has a bit in a ``netisr'' status
40  * word which is used to de-multiplex a single software
41  * interrupt used for scheduling the network code to calls
42  * on the lowest level routine of each protocol.
43  */
44 #define NETISR_IP	2		/* same as AF_INET */
45 #define NETISR_ARP	18		/* same as AF_LINK */
46 #define NETISR_IPV6	24		/* same as AF_INET6 */
47 #define NETISR_PIPEX	27		/* for pipex processing */
48 #define NETISR_PPP	28		/* for PPP processing */
49 #define NETISR_BRIDGE	29		/* for bridge processing */
50 #define NETISR_PPPOE	30		/* for pppoe processing */
51 
52 #ifndef _LOCORE
53 #ifdef _KERNEL
54 
55 #include <sys/task.h>
56 #include <sys/atomic.h>
57 
58 extern int	netisr;			/* scheduling bits for network */
59 extern struct task if_input_task_locked;
60 
61 void	arpintr(void);
62 void	ipintr(void);
63 void	ip6intr(void);
64 void	pppintr(void);
65 void	bridgeintr(void);
66 void	pipexintr(void);
67 void	pppoeintr(void);
68 
69 #define	schednetisr(anisr)						\
70 do {									\
71 	atomic_setbits_int(&netisr, (1 << (anisr)));			\
72 	task_add(net_tq(0), &if_input_task_locked);			\
73 } while (/* CONSTCOND */0)
74 
75 #endif /* _KERNEL */
76 #endif /*_LOCORE */
77 
78 #endif /* _NET_NETISR_H_ */
79