usr/src/uts/common/io/dls/dls_stat.c

   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 /*
  27  * Data-Link Services Module
  28  */
  29
  30 #include <sys/dld_impl.h>
  31 #include <sys/mac_ether.h>
  32
  33 static mac_stat_info_t  i_dls_si[] = {
  34         { MAC_STAT_IFSPEED, "ifspeed", KSTAT_DATA_UINT64, 0 },
  35         { MAC_STAT_MULTIRCV, "multircv", KSTAT_DATA_UINT32, 0 },
  36         { MAC_STAT_BRDCSTRCV, "brdcstrcv", KSTAT_DATA_UINT32, 0 },
  37         { MAC_STAT_MULTIXMT, "multixmt", KSTAT_DATA_UINT32, 0 },
  38         { MAC_STAT_BRDCSTXMT, "brdcstxmt", KSTAT_DATA_UINT32, 0 },
  39         { MAC_STAT_NORCVBUF, "norcvbuf", KSTAT_DATA_UINT32, 0 },
  40         { MAC_STAT_IERRORS, "ierrors", KSTAT_DATA_UINT32, 0 },
  41         { MAC_STAT_NOXMTBUF, "noxmtbuf", KSTAT_DATA_UINT32, 0 },
  42         { MAC_STAT_OERRORS, "oerrors", KSTAT_DATA_UINT32, 0 },
  43         { MAC_STAT_COLLISIONS, "collisions", KSTAT_DATA_UINT32, 0 },
  44         { MAC_STAT_RBYTES, "rbytes", KSTAT_DATA_UINT32, 0 },
  45         { MAC_STAT_IPACKETS, "ipackets", KSTAT_DATA_UINT32, 0 },
  46         { MAC_STAT_OBYTES, "obytes", KSTAT_DATA_UINT32, 0 },
  47         { MAC_STAT_OPACKETS, "opackets", KSTAT_DATA_UINT32, 0 },
  48         { MAC_STAT_RBYTES, "rbytes64", KSTAT_DATA_UINT64, 0 },
  49         { MAC_STAT_IPACKETS, "ipackets64", KSTAT_DATA_UINT64, 0 },
  50         { MAC_STAT_OBYTES, "obytes64", KSTAT_DATA_UINT64, 0 },
  51         { MAC_STAT_OPACKETS, "opackets64", KSTAT_DATA_UINT64, 0 },
  52         { MAC_STAT_LINK_STATE, "link_state", KSTAT_DATA_UINT32,
  53             (uint64_t)LINK_STATE_UNKNOWN}
  54 };
  55
  56 #define STAT_INFO_COUNT (sizeof (i_dls_si) / sizeof (i_dls_si[0]))
  57
  58 /*
  59  * Exported functions.
  60  */
  61 int
  62 dls_stat_update(kstat_t *ksp, dls_link_t *dlp, int rw)
  63 {
  64         kstat_named_t   *knp;
  65         uint_t          i;
  66         uint64_t        val;
  67
  68         if (rw != KSTAT_READ)
  69                 return (EACCES);
  70
  71         knp = (kstat_named_t *)ksp->ks_data;
  72         for (i = 0; i < STAT_INFO_COUNT; i++) {
  73                 val = mac_stat_get(dlp->dl_mh, i_dls_si[i].msi_stat);
  74
  75                 switch (i_dls_si[i].msi_type) {
  76                 case KSTAT_DATA_UINT64:
  77                         knp->value.ui64 = val;
  78                         break;
  79                 case KSTAT_DATA_UINT32:
  80                         knp->value.ui32 = (uint32_t)val;
  81                         break;
  82                 default:
  83                         ASSERT(B_FALSE);
  84                 }
  85
  86                 knp++;
  87         }
  88
  89         /*
  90          * Ethernet specific kstat "link_duplex"
  91          */
  92         if (dlp->dl_mip->mi_nativemedia != DL_ETHER) {
  93                 knp->value.ui32 = LINK_DUPLEX_UNKNOWN;
  94         } else {
  95                 val = mac_stat_get(dlp->dl_mh, ETHER_STAT_LINK_DUPLEX);
  96                 knp->value.ui32 = (uint32_t)val;
  97         }
  98         knp++;
  99         knp->value.ui32 = dlp->dl_unknowns;
 100
 101         return (0);
 102 }
 103
 104 int
 105 dls_stat_create(const char *module, int instance, const char *name,
 106     zoneid_t zoneid, int (*update)(struct kstat *, int), void *private,
 107     kstat_t **kspp)
 108 {
 109         kstat_t         *ksp;
 110         kstat_named_t   *knp;
 111         uint_t          i;
 112
 113         if ((ksp = kstat_create_zone(module, instance, name, "net",
 114             KSTAT_TYPE_NAMED, STAT_INFO_COUNT + 2, 0, zoneid)) == NULL) {
 115                 return (EINVAL);
 116         }
 117
 118         ksp->ks_update = update;
 119         ksp->ks_private = private;
 120
 121         knp = (kstat_named_t *)ksp->ks_data;
 122         for (i = 0; i < STAT_INFO_COUNT; i++) {
 123                 kstat_named_init(knp, i_dls_si[i].msi_name,
 124                     i_dls_si[i].msi_type);
 125                 knp++;
 126         }
 127
 128         kstat_named_init(knp++, "link_duplex", KSTAT_DATA_UINT32);
 129         kstat_named_init(knp, "unknowns", KSTAT_DATA_UINT32);
 130         kstat_install(ksp);
 131         *kspp = ksp;
 132         return (0);
 133 }