usr/src/uts/common/ipp/dscpmk/dscpmk_impl.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, Version 1.0 only
   6  * (the "License").  You may not use this file except in compliance
   7  * with the License.
   8  *
   9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
  10  * or http://www.opensolaris.org/os/licensing.
  11  * See the License for the specific language governing permissions
  12  * and limitations under the License.
  13  *
  14  * When distributing Covered Code, include this CDDL HEADER in each
  15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  16  * If applicable, add the following below this CDDL HEADER, with the
  17  * fields enclosed by brackets "[]" replaced with your own identifying
  18  * information: Portions Copyright [yyyy] [name of copyright owner]
  19  *
  20  * CDDL HEADER END
  21  */
  22 /*
  23  * Copyright 2002 Sun Microsystems, Inc.  All rights reserved.
  24  * Use is subject to license terms.
  25  */
  26
  27 #ifndef _IPP_DSCPMK_DSCPMK_IMPL_H
  28 #define _IPP_DSCPMK_DSCPMK_IMPL_H
  29
  30 #pragma ident   "%Z%%M% %I%     %E% SMI"
  31
  32 #include <sys/types.h>
  33 #include <sys/cmn_err.h>
  34 #include <ipp/ipp.h>
  35 #include <ipp/dscpmk/dscpmk.h>
  36 #include <inet/ipp_common.h>
  37
  38 #ifdef  __cplusplus
  39 extern "C" {
  40 #endif
  41
  42 /* Header file for implementation of DS/ToS dscp marker ipp action module */
  43
  44 #define _DSCPMK_DEBUG
  45
  46 /* Mask out all but the Traffic class for IPv6 header */
  47 #ifdef _BIG_ENDIAN
  48 #define TCLASS_MASK             0xF00FFFFF
  49 #else
  50 #define TCLASS_MASK             0xFFFF0FF0
  51 #endif
  52
  53 /* Array count for dscp_policed_array 0-63 */
  54 #define DSCPMK_ARRAY_COUNT              64
  55 /* During modification, entries that are unchanged are signified with -1 */
  56 #define DSCPMK_UNCHANGED_DSCP           -1
  57
  58 #ifdef _DSCPMK_DEBUG
  59 #include <sys/debug.h>
  60 #define dscpmk0dbg(a)           printf a
  61 #define dscpmk1dbg(a)           if (dscpmk_debug > 2) printf a
  62 #define dscpmk2dbg(a)           if (dscpmk_debug > 3) printf a
  63 #else
  64 #define dscpmk0dbg(a)
  65 #define dscpmk1dbg(a)
  66 #define dscpmk2dbg(a)
  67 #endif /* _DSCPMK_DEBUG */
  68
  69 /* dscpmk stats information available using kstats */
  70 typedef struct dscpmk_stat_s {
  71         ipp_named_t     npackets;       /* no. of pkts seen by this instance */
  72         ipp_named_t     dscp_changed;   /* no. of pkts. with dscp changed */
  73         ipp_named_t     dscp_unchanged; /* no. of pkts. with dscp unchanged */
  74         ipp_named_t     ipackets;       /* no. of pkts. not processed */
  75         ipp_named_t     epackets;       /* no. of pkts. in error */
  76 } dscpmk_stat_t;
  77
  78 typedef struct dscpmk_dscp_stats_s {
  79         ipp_named_t     dscp;           /* dscp value */
  80         ipp_named_t     npackets;       /* no. of packets for this dscp */
  81 } dscpmk_dscp_stats_t;
  82
  83 /*
  84  * If the above structure is changed, the count will have to be updated
  85  * accordingly.
  86  */
  87 #define DSCPMK_STATS_COUNT              5
  88 #define DSCPMK_STATS_STRING             "dscpmk_stats"
  89
  90 #define DSCPMK_DSCP_STATS_COUNT         2
  91
  92 typedef struct dscp_stats_s {
  93         boolean_t       present;        /* Stats present for this DSCP */
  94         uint64_t        npackets;       /* no. of packets for this DSCP */
  95         ipp_stat_t      *stats;         /* stats for this DSCP */
  96 } dscp_stats_t;
  97
  98 /* Per-instance structure */
  99 typedef struct dscpmk_data_s {
 100
 101         ipp_action_id_t next_action;    /* action id of next action */
 102         ipp_stat_t      *stats;         /* structure for storing stats */
 103
 104         /* inbound DSCP -> outbound DSCP mapping table */
 105         uint8_t         dscp_map[DSCPMK_ARRAY_COUNT];
 106
 107         /* Minimal stats */
 108         boolean_t       summary_stats;
 109         uint64_t        npackets;       /* no. of packets processed by action */
 110         uint64_t        changed;        /* packets with DSCP changed */
 111         uint64_t        unchanged;      /* packets with DSCP unchanged */
 112         uint64_t        ipackets;       /* packets not processed */
 113         uint64_t        epackets;       /* packets in error */
 114
 115         /* per-DSCP stats */
 116         boolean_t       detailed_stats;
 117         /* Stats count per DSCP value 0-63 */
 118         dscp_stats_t    dscp_stats[DSCPMK_ARRAY_COUNT];
 119 } dscpmk_data_t;
 120
 121 #define DSCPMK_DATA_SZ          sizeof (dscpmk_data_t)
 122
 123 #ifdef  _KERNEL
 124 extern int dscpmk_process(mblk_t **, dscpmk_data_t *, ip_proc_t);
 125 #endif /* _KERNEL */
 126
 127 #ifdef  __cplusplus
 128 }
 129 #endif
 130
 131 #endif /* _IPP_DSCPMK_DSCPMK_IMPL_H */