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 2009 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#ifdef	__cplusplus
30extern "C" {
31#endif
32
33#ifdef _KERNEL
34#include <ipp/ipp.h>
35
36/*
37 * IPP  -- IP Policy -- interface.
38 *
39 * WARNING: Everything in this file is private, belonging to the IPP
40 * subsystem.  The interfaces and declarations made here are subject
41 * to change.
42 */
43
44extern uint32_t ipp_action_count;
45
46/* Whether ip policy is enabled at callout position proc */
47#define	IPP_ENABLED(proc, ipst)	((ipp_action_count != 0) && \
48	(~((ipst)->ips_ip_policy_mask) & (proc)))
49
50/* Extracts 8 bit traffic class from IPV6 flow label field */
51#ifdef  _BIG_ENDIAN
52#define	__IPV6_TCLASS_FROM_FLOW(n)	(((n)>>20) & 0xff)
53#else
54#define	__IPV6_TCLASS_FROM_FLOW(n)	((((n)<<4) | (((n)>>12) & 0xf)) & 0xff)
55#endif /* _BIG_ENDIAN */
56
57typedef	enum {
58	IPP_LOCAL_IN =	0x01,
59	IPP_LOCAL_OUT =	0x02,
60	IPP_FWD_IN =	0x04,
61	IPP_FWD_OUT =	0x08
62} ip_proc_t;
63
64/* IP private data structure */
65typedef	struct ip_priv {
66	ip_proc_t	proc;
67	uint32_t	ill_index;
68} ip_priv_t;
69
70/* The entry point for ip policy processing */
71#ifdef	ILL_CONDEMNED
72extern mblk_t *ip_process(ip_proc_t, mblk_t *, ill_t *, ill_t *);
73#endif
74extern void ip_priv_free(void *);
75#endif /* _KERNEL */
76
77
78#ifdef	__cplusplus
79}
80#endif
81
82#endif	/* _INET_IPP_COMMON_H */
83