source: rtems/cpukit/libnetworking/net/netisr.h @ 98cc364d

4.104.114.84.9
Last change on this file since 98cc364d was 98cc364d, checked in by Ralf Corsepius <ralf.corsepius@…>, on Apr 17, 2005 at 7:32:42 AM

Partial update from FreeBSD.

  • Property mode set to 100644
File size: 3.1 KB
Line 
1/*
2 * Copyright (c) 1980, 1986, 1989, 1993
3 *      The Regents of the University of California.  All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 * 4. Neither the name of the University nor the names of its contributors
14 *    may be used to endorse or promote products derived from this software
15 *    without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 *
29 *      @(#)netisr.h    8.1 (Berkeley) 6/10/93
30 * $FreeBSD: src/sys/net/netisr.h,v 1.33 2005/01/07 01:45:35 imp Exp $
31 */
32
33/*
34 * $Id$
35 */
36
37#ifndef _NET_NETISR_H_
38#define _NET_NETISR_H_
39
40/*
41 * The networking code runs off software interrupts.
42 *
43 * You can switch into the network by doing splnet() and return by splx().
44 * The software interrupt level for the network is higher than the software
45 * level for the clock (so you can enter the network in routines called
46 * at timeout time).
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_RAW      0               /* same as AF_UNSPEC */
56#define NETISR_IP       2               /* same as AF_INET */
57#define NETISR_IMP      3               /* same as AF_IMPLINK */
58#define NETISR_ISO      7               /* same as AF_ISO */
59#define NETISR_CCITT    10              /* same as AF_CCITT */
60#define NETISR_ATALK    16              /* same as AF_APPLETALK */
61#define NETISR_ARP      18              /* same as AF_LINK */
62#define NETISR_IPX      23              /* same as AF_IPX */
63#define NETISR_ISDN     26              /* same as AF_E164 */
64#define NETISR_PPP      27              /* PPP soft interrupt */
65
66#define schednetisr(anisr)      rtems_bsdnet_schednetisr(anisr)
67
68#ifndef LOCORE
69#ifdef _KERNEL
70extern volatile unsigned int    netisr; /* scheduling bits for network */
71
72typedef void netisr_t(void);
73
74struct netisrtab {
75        int nit_num;
76        netisr_t *nit_isr;
77};
78
79#define NETISR_SET(num, isr)
80
81int register_netisr __P((int, netisr_t *));
82
83#endif
84#endif
85
86#endif
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