ipp_common.h revision 3448:aaf16568054b 
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 (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21/*
22 * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
23 * Use is subject to license terms.
24 */
25
26#ifndef	_INET_IPP_COMMON_H
27#define	_INET_IPP_COMMON_H
28
29#pragma ident	"%Z%%M%	%I%	%E% SMI"
30
31#ifdef	__cplusplus
32extern "C" {
33#endif
34
35#ifdef _KERNEL
36#include <ipp/ipp.h>
37
38/*
39 * IPP  -- IP Policy -- interface.
40 *
41 * WARNING: Everything in this file is private, belonging to the IPP
42 * subsystem.  The interfaces and declarations made here are subject
43 * to change.
44 */
45
46extern uint32_t ipp_action_count;
47
48/* Whether ip policy is enabled at callout position proc */
49#define	IPP_ENABLED(proc, ipst)	((ipp_action_count != 0) && \
50	(~((ipst)->ips_ip_policy_mask) & (proc)))
51
52/* Apply IPQoS policies for inbound traffic? */
53#define	IP6_IN_IPP(flags, ipst) (IPP_ENABLED(IPP_LOCAL_IN, ipst) &&	\
54	(!((flags) & IP6_NO_IPPOLICY)))
55
56/* Apply IPQoS policies for oubound traffic? */
57#define	IP6_OUT_IPP(flags, ipst)	\
58	(IPP_ENABLED(IPP_LOCAL_OUT, ipst) && (!((flags) & IP6_NO_IPPOLICY)))
59
60/* Extracts 8 bit traffic class from IPV6 flow label field */
61#ifdef  _BIG_ENDIAN
62#define	__IPV6_TCLASS_FROM_FLOW(n)	(((n)>>20) & 0xff)
63#else
64#define	__IPV6_TCLASS_FROM_FLOW(n)	((((n)<<4) | (((n)>>12) & 0xf)) & 0xff)
65#endif /* _BIG_ENDIAN */
66
67typedef	enum {
68	IPP_LOCAL_IN =	0x01,
69	IPP_LOCAL_OUT =	0x02,
70	IPP_FWD_IN =	0x04,
71	IPP_FWD_OUT =	0x08
72} ip_proc_t;
73
74/* IP private data structure */
75typedef	struct ip_priv {
76	ip_proc_t	proc;
77	uint32_t	ill_index;
78} ip_priv_t;
79
80/* The entry point for ip policy processing */
81extern void ip_process(ip_proc_t, mblk_t **, uint32_t);
82extern void ip_priv_free(void *);
83#endif /* _KERNEL */
84
85
86#ifdef	__cplusplus
87}
88#endif
89
90#endif	/* _INET_IPP_COMMON_H */
91