Home | History | Annotate | Download | only in inet
      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
     32 extern "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 
     46 extern 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 
     67 typedef	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 */
     75 typedef	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 */
     81 extern void ip_process(ip_proc_t, mblk_t **, uint32_t);
     82 extern void ip_priv_free(void *);
     83 #endif /* _KERNEL */
     84 
     85 
     86 #ifdef	__cplusplus
     87 }
     88 #endif
     89 
     90 #endif	/* _INET_IPP_COMMON_H */
     91