/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License (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
 */
/*
 * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

#ifndef _INET_IPP_COMMON_H
#define _INET_IPP_COMMON_H

#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, ipst) ((ipp_action_count != 0) && \
        (~((ipst)->ips_ip_policy_mask) & (proc)))

/* 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 */
#ifdef  ILL_CONDEMNED
extern mblk_t *ip_process(ip_proc_t, mblk_t *, ill_t *, ill_t *);
#endif
extern void ip_priv_free(void *);
#endif /* _KERNEL */


#ifdef  __cplusplus
}
#endif

#endif  /* _INET_IPP_COMMON_H */