/*

 * CDDL HEADER START

 *

 * The contents of this file are subject to the terms of the

 * Common Development and Distribution License, Version 1.0 only

 * (the "License").  You may not use this file except in compliance

 * with the License.

 *

 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE

 * or http://www.opensolaris.org/os/licensing.

 * See the License for the specific language governing permissions

 * and limitations under the License.

 *

 * When distributing Covered Code, include this CDDL HEADER in each

 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.

 * If applicable, add the following below this CDDL HEADER, with the

 * fields enclosed by brackets "[]" replaced with your own identifying

 * information: Portions Copyright [yyyy] [name of copyright owner]

 *

 * CDDL HEADER END

 */

/*

 * Use is subject to license terms.

 */

#ifndef	_INET_IPP_COMMON_H

#define	_INET_IPP_COMMON_H

#pragma ident	"%Z%%M%	%I%	%E% SMI"

#ifdef	__cplusplus

extern "C" {

#endif

#ifdef _KERNEL

#include <ipp/ipp.h>

/*

 * IPP  -- IP Policy -- interface.

 *

 * WARNING: Everything in this file is private, belonging to the IPP

 * subsystem.  The interfaces and declarations made here are subject

 * to change.

 */

extern uint32_t ipp_action_count;

/* Whether ip policy is enabled at callout position proc */

#define	IPP_ENABLED(proc)	((ipp_action_count != 0) && \

	(~(ip_policy_mask) & (proc)))

/* Apply IPQoS policies for inbound traffic? */

#define	IP6_IN_IPP(flags) (IPP_ENABLED(IPP_LOCAL_IN) &&	\

/* Apply IPQoS policies for oubound traffic? */

#define	IP6_OUT_IPP(flags)	\

	(IPP_ENABLED(IPP_LOCAL_OUT) && (!((flags) & IP6_NO_IPPOLICY)))

/* Extracts 8 bit traffic class from IPV6 flow label field */

#ifdef  _BIG_ENDIAN

#define	__IPV6_TCLASS_FROM_FLOW(n)	(((n)>>20) & 0xff)

#else

#define	__IPV6_TCLASS_FROM_FLOW(n)	((((n)<<4) | (((n)>>12) & 0xf)) & 0xff)

#endif /* _BIG_ENDIAN */

typedef	enum {

	IPP_LOCAL_IN =	0x01,

	IPP_LOCAL_OUT =	0x02,

	IPP_FWD_IN =	0x04,

	IPP_FWD_OUT =	0x08

} ip_proc_t;

/* IP private data structure */

typedef	struct ip_priv {

	ip_proc_t	proc;

	uint32_t	ill_index;

} ip_priv_t;

/* The entry point for ip policy processing */

extern void ip_process(ip_proc_t, mblk_t **, uint32_t);

extern void ip_priv_free(void *);

#endif /* _KERNEL */

#ifdef	__cplusplus

}

#endif

#endif	/* _INET_IPP_COMMON_H */