include/inet/ipp_common.h

   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 */