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      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
     30 extern "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 
     44 extern 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 
     57 typedef	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 */
     65 typedef	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
     72 extern mblk_t *ip_process(ip_proc_t, mblk_t *, ill_t *, ill_t *);
     73 #endif
     74 extern void ip_priv_free(void *);
     75 #endif /* _KERNEL */
     76 
     77 
     78 #ifdef	__cplusplus
     79 }
     80 #endif
     81 
     82 #endif	/* _INET_IPP_COMMON_H */
     83