usr/src/uts/common/ipp/dlcosmk/dlcosmk_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_DLCOSMK_DLCOSMK_IMPL_H
  28 #define _IPP_DLCOSMK_DLCOSMK_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/dlcosmk/dlcosmk.h>
  36 #include <inet/ipp_common.h>
  37
  38 #ifdef  __cplusplus
  39 extern "C" {
  40 #endif
  41
  42 /* Header file for implementation of DL CoS marker ipp action module */
  43
  44 #define _DLCOSMK_DEBUG
  45
  46 /* The 3-MSB in the ToS/Dsfield are used to map to the 802.1D user priority */
  47 #define TOS_CLASS_MASK          5
  48 /* 802.1D user priority is 3 bits - 0-7 */
  49 #define UPRI_MAP_COUNT          8
  50 /* This will be used it the ToS/Dsfield needs to be mapped */
  51 #define MAP_TOS_TO_UPRI         8
  52
  53 #ifdef _DLCOSMK_DEBUG
  54 #include <sys/debug.h>
  55 #define dlcosmk0dbg(a)          printf a
  56 #define dlcosmk1dbg(a)          if (dlcosmk_debug > 2) printf a
  57 #define dlcosmk2dbg(a)          if (dlcosmk_debug > 3) printf a
  58 #else
  59 #define dlcosmk0dbg(a)
  60 #define dlcosmk1dbg(a)
  61 #define dlcosmk2dbg(a)
  62 #endif /* _DLCOSMK_DEBUG */
  63
  64 /* dlcosmk stats info. available using kstats */
  65 typedef struct dlcosmk_stat_s {
  66         ipp_named_t     npackets;       /* no. of pkts seen by this instance */
  67         ipp_named_t     ipackets;       /* no. of pkts not processed */
  68         ipp_named_t     epackets;       /* no. of pkts in error */
  69         ipp_named_t     usr_pri;        /* configured 802.1D priority */
  70         ipp_named_t     b_band;         /* Mapped b_band for the priority */
  71         ipp_named_t     dl_max;         /* Mapped dl_max for the priority */
  72 } dlcosmk_stat_t;
  73
  74 /*
  75  * If the above structure is changed, the count will have to be updated
  76  * accordingly.
  77  */
  78 #define DLCOSMK_STATS_COUNT             6
  79 #define DLCOSMK_STATS_STRING            "dlcosmk statistics"
  80
  81 /*
  82  * Table containing 802.1D user_priority -> b_band/dl_max mappings.
  83  * The mappings have been taken from the VLAN driver.
  84  */
  85 typedef struct usrpri_tbl_s {
  86         uchar_t b_band;
  87         t_scalar_t dl_max;
  88 } usrpri_tbl_t;
  89
  90 extern usrpri_tbl_t usrpri_tbl[UPRI_MAP_COUNT];
  91
  92 #define UPRI_TBL_SZ             sizeof (usrpri_tbl_t)
  93
  94 /* Per-instance data structure */
  95 typedef struct dlcosmk_data_s {
  96         ipp_action_id_t next_action;    /* action id of next action */
  97         ipp_stat_t      *stats;         /* stats for this instance */
  98         uint8_t         usr_pri;        /* 802.1d user priority */
  99         uchar_t         b_band;         /* corresponding bband */
 100         t_scalar_t      dl_max;         /* corresponding dl_max */
 101         boolean_t       gather_stats;   /* stats collected or not */
 102         uint64_t        npackets;       /* no. of pkts. for this instance */
 103         uint64_t        epackets;       /* no. of pkts. in error */
 104         uint64_t        ipackets;       /* no. of pkts. not processed */
 105 } dlcosmk_data_t;
 106
 107 #define DLCOSMK_DATA_SZ         sizeof (dlcosmk_data_t)
 108
 109 /*
 110  * ToS -> user_priority mapping. This mapping is local to this implementation
 111  * i.e., the ToS -> 802.1D mapping is not a standard.
 112  */
 113 extern uint8_t tos_to_usrpri[UPRI_MAP_COUNT];
 114
 115 #ifdef _KERNEL
 116 extern int dlcosmk_debug;
 117 extern int dlcosmk_process(mblk_t **, dlcosmk_data_t *, uint32_t, ip_proc_t);
 118 #endif /* _KERNEL */
 119
 120 #ifdef  __cplusplus
 121 }
 122 #endif
 123
 124 #endif /* _IPP_DLCOSMK_DLCOSMK_IMPL_H */