xref: /illumos-gate/usr/src/uts/common/inet/led.h (revision 2d6eb4a5)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License, Version 1.0 only
6  * (the "License").  You may not use this file except in compliance
7  * with the License.
8  *
9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10  * or http://www.opensolaris.org/os/licensing.
11  * See the License for the specific language governing permissions
12  * and limitations under the License.
13  *
14  * When distributing Covered Code, include this CDDL HEADER in each
15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16  * If applicable, add the following below this CDDL HEADER, with the
17  * fields enclosed by brackets "[]" replaced with your own identifying
18  * information: Portions Copyright [yyyy] [name of copyright owner]
19  *
20  * CDDL HEADER END
21  */
22 /*
23  * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 /* Copyright (c) 1990 Mentat Inc. */
27 
28 #ifndef _INET_LED_H
29 #define	_INET_LED_H
30 
31 /*
32  * WARNING: This file contains implementation-specific constants, typedefs
33  *	    and macros which may change from release to release.
34  *
35  * WARNING: This file has nothing to do with things that blink.
36  */
37 
38 #ifdef	__cplusplus
39 extern "C" {
40 #endif
41 
42 #include <sys/types.h>
43 
44 /*
45  * x86 can handle unaligned access. However, the checksum routine
46  * assumes that the source is 16 bit aligned so we always make sure
47  * that packet headers are 16 bit aligned.
48  */
49 #define	OK_16PTR(p)	(!((uintptr_t)(p) & 0x1))
50 #if defined(__x86)
51 #define	OK_32PTR(p)	OK_16PTR(p)
52 #else
53 #define	OK_32PTR(p)	(!((uintptr_t)(p) & 0x3))
54 #endif
55 
56 #ifdef _KERNEL
57 
58 typedef	char		*IDP;
59 typedef	struct msgb	*MBLKP;
60 
61 #endif	/* _KERNEL */
62 
63 #ifdef	__cplusplus
64 }
65 #endif
66 
67 #endif	/* _INET_LED_H */
68