1 /* $OpenBSD: netisr.h,v 1.27 2007/06/06 10:04:36 henning 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 * The networking code runs off software interrupts.
39 *
40 * You can switch into the network by doing splsoftnet() and return by splx().
41 * The software interrupt level for the network is higher than the software
42 * level for the clock (so you can enter the network in routines called
43 * at timeout time).
44 *
45 * The routine to request a network software interrupt, setsoftnet(),
46 * is defined in the machine-specific include files.
47 */
48
49 /*
50 * Each ``pup-level-1'' input queue has a bit in a ``netisr'' status
51 * word which is used to de-multiplex a single software
52 * interrupt used for scheduling the network code to calls
53 * on the lowest level routine of each protocol.
54 */
55 #define NETISR_RND 1
56 #define NETISR_IP 2 /* same as AF_INET */
57 #define NETISR_ATALK 16 /* same as AF_APPLETALK */
58 #define NETISR_ARP 18 /* same as AF_LINK */
59 #define NETISR_IPV6 24 /* same as AF_INET6 */
60 #define NETISR_ISDN 26 /* same as AF_E164 */
61 #define NETISR_NATM 27 /* same as AF_ATM */
62 #define NETISR_PPP 28 /* for PPP processing */
63 #define NETISR_BRIDGE 29 /* for bridge processing */
64 #define NETISR_PPPOE 30 /* for pppoe processing */
65 #define NETISR_BT 31 /* same as AF_BLUETOOTH */
66
67 #ifndef _LOCORE
68 #ifdef _KERNEL
69 extern int netisr; /* scheduling bits for network */
70
71 void netrndintr(void);
72 void arpintr(void);
73 void ipintr(void);
74 void ip6intr(void);
75 void atintr(void);
76 void clnlintr(void);
77 void natmintr(void);
78 void pppintr(void);
79 void bridgeintr(void);
80 void pppoeintr(void);
81 void btintr(void);
82
83 #include <machine/atomic.h>
84 #include <dev/rndvar.h>
85 #define schednetisr(anisr) \
86 do { \
87 atomic_setbits_int(&netisr, (1 << (anisr)) | NETISR_RND); \
88 setsoftnet(); \
89 } while (0)
90 #endif
91 #endif
92
93 #endif /* _NET_NETISR_H_ */