FreeBSD/Linux Kernel Cross Reference
sys/net/netisr.h
1 /* $OpenBSD: netisr.h,v 1.60 2022/07/14 10:52:21 mvs 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_PFSYNC 5 /* for pfsync "immediate" tx */
46 #define NETISR_ARP 18 /* same as AF_LINK */
47 #define NETISR_IPV6 24 /* same as AF_INET6 */
48 #define NETISR_PIPEX 27 /* for pipex processing */
49 #define NETISR_PPP 28 /* for PPP processing */
50 #define NETISR_BRIDGE 29 /* for bridge processing */
51 #define NETISR_PPPOE 30 /* for pppoe processing */
52
53 #ifndef _LOCORE
54 #ifdef _KERNEL
55
56 #include <sys/task.h>
57 #include <sys/atomic.h>
58
59 extern int netisr; /* scheduling bits for network */
60 extern struct task if_input_task_locked;
61
62 void arpintr(void);
63 void ipintr(void);
64 void ip6intr(void);
65 void pppintr(void);
66 void bridgeintr(void);
67 void pfsyncintr(void);
68 void pipexintr(void);
69 void pppoeintr(void);
70
71 #define schednetisr(anisr) \
72 do { \
73 atomic_setbits_int(&netisr, (1 << (anisr))); \
74 task_add(net_tq(0), &if_input_task_locked); \
75 } while (/* CONSTCOND */0)
76
77 #endif /* _KERNEL */
78 #endif /*_LOCORE */
79
80 #endif /* _NET_NETISR_H_ */
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