usr/src/uts/sun4v/io/vgen_stats.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 /*
  23  * Copyright 2010 Sun Microsystems, Inc.  All rights reserved.
  24  * Use is subject to license terms.
  25  */
  26
  27 #include <sys/types.h>
  28 #include <sys/errno.h>
  29 #include <sys/param.h>
  30 #include <sys/stream.h>
  31 #include <sys/strsubr.h>
  32 #include <sys/kmem.h>
  33 #include <sys/ksynch.h>
  34 #include <sys/stat.h>
  35 #include <sys/vgen_stats.h>
  36
  37 /*
  38  * A set of common kstat statistics related functions that are
  39  * used by both vnet and vsw drivers to maintain the statistics specific
  40  * LDCs.
  41  */
  42
  43 /*
  44  * Setup kstats for the LDC statistics.
  45  * NOTE: the synchronization for the statistics is the
  46  * responsibility of the caller.
  47  */
  48 kstat_t *
  49 vgen_setup_kstats(char *ks_mod, int instance,
  50     char *ks_name, vgen_stats_t *statsp)
  51 {
  52         kstat_t *ksp;
  53         vgen_kstats_t *ldckp;
  54         size_t size;
  55
  56         size = sizeof (vgen_kstats_t) / sizeof (kstat_named_t);
  57         ksp = kstat_create(ks_mod, instance, ks_name, "net", KSTAT_TYPE_NAMED,
  58             size, 0);
  59         if (ksp == NULL) {
  60                 return (NULL);
  61         }
  62
  63         ldckp = (vgen_kstats_t *)ksp->ks_data;
  64         kstat_named_init(&ldckp->ipackets,              "ipackets",
  65             KSTAT_DATA_ULONG);
  66         kstat_named_init(&ldckp->ipackets64,            "ipackets64",
  67             KSTAT_DATA_ULONGLONG);
  68         kstat_named_init(&ldckp->ierrors,               "ierrors",
  69             KSTAT_DATA_ULONG);
  70         kstat_named_init(&ldckp->opackets,              "opackets",
  71             KSTAT_DATA_ULONG);
  72         kstat_named_init(&ldckp->opackets64,            "opackets64",
  73             KSTAT_DATA_ULONGLONG);
  74         kstat_named_init(&ldckp->oerrors,               "oerrors",
  75             KSTAT_DATA_ULONG);
  76
  77
  78         /* MIB II kstat variables */
  79         kstat_named_init(&ldckp->rbytes,                "rbytes",
  80             KSTAT_DATA_ULONG);
  81         kstat_named_init(&ldckp->rbytes64,              "rbytes64",
  82             KSTAT_DATA_ULONGLONG);
  83         kstat_named_init(&ldckp->obytes,                "obytes",
  84             KSTAT_DATA_ULONG);
  85         kstat_named_init(&ldckp->obytes64,              "obytes64",
  86             KSTAT_DATA_ULONGLONG);
  87         kstat_named_init(&ldckp->multircv,              "multircv",
  88             KSTAT_DATA_ULONG);
  89         kstat_named_init(&ldckp->multixmt,              "multixmt",
  90             KSTAT_DATA_ULONG);
  91         kstat_named_init(&ldckp->brdcstrcv,             "brdcstrcv",
  92             KSTAT_DATA_ULONG);
  93         kstat_named_init(&ldckp->brdcstxmt,             "brdcstxmt",
  94             KSTAT_DATA_ULONG);
  95         kstat_named_init(&ldckp->norcvbuf,              "norcvbuf",
  96             KSTAT_DATA_ULONG);
  97         kstat_named_init(&ldckp->noxmtbuf,              "noxmtbuf",
  98             KSTAT_DATA_ULONG);
  99
 100         /* Tx stats */
 101         kstat_named_init(&ldckp->tx_no_desc,            "tx_no_desc",
 102             KSTAT_DATA_ULONG);
 103         kstat_named_init(&ldckp->tx_qfull,              "tx_qfull",
 104             KSTAT_DATA_ULONG);
 105         kstat_named_init(&ldckp->tx_pri_fail,           "tx_pri_fail",
 106             KSTAT_DATA_ULONG);
 107         kstat_named_init(&ldckp->tx_pri_packets,        "tx_pri_packets",
 108             KSTAT_DATA_ULONGLONG);
 109         kstat_named_init(&ldckp->tx_pri_bytes,          "tx_pri_bytes",
 110             KSTAT_DATA_ULONGLONG);
 111
 112         /* Rx stats */
 113         kstat_named_init(&ldckp->rx_allocb_fail,        "rx_allocb_fail",
 114             KSTAT_DATA_ULONG);
 115         kstat_named_init(&ldckp->rx_vio_allocb_fail,    "rx_vio_allocb_fail",
 116             KSTAT_DATA_ULONG);
 117         kstat_named_init(&ldckp->rx_lost_pkts,          "rx_lost_pkts",
 118             KSTAT_DATA_ULONG);
 119         kstat_named_init(&ldckp->rx_pri_fail,           "rx_pri_fail",
 120             KSTAT_DATA_ULONG);
 121         kstat_named_init(&ldckp->rx_pri_packets,        "rx_pri_packets",
 122             KSTAT_DATA_ULONGLONG);
 123         kstat_named_init(&ldckp->rx_pri_bytes,          "rx_pri_bytes",
 124             KSTAT_DATA_ULONGLONG);
 125
 126         /* Interrupt stats */
 127         kstat_named_init(&ldckp->callbacks,             "callbacks",
 128             KSTAT_DATA_ULONG);
 129         kstat_named_init(&ldckp->dring_data_msgs_sent,  "dring_data_msgs_sent",
 130             KSTAT_DATA_ULONG);
 131         kstat_named_init(&ldckp->dring_data_acks_rcvd,  "dring_data_acks_rcvd",
 132             KSTAT_DATA_ULONG);
 133         kstat_named_init(&ldckp->dring_stopped_acks_rcvd,
 134             "dring_stopped_acks_rcvd", KSTAT_DATA_ULONG);
 135         kstat_named_init(&ldckp->dring_data_msgs_rcvd,  "dring_data_msgs_rcvd",
 136             KSTAT_DATA_ULONG);
 137         kstat_named_init(&ldckp->dring_data_acks_sent,  "dring_data_acks_sent",
 138             KSTAT_DATA_ULONG);
 139         kstat_named_init(&ldckp->dring_stopped_acks_sent,
 140             "dring_stopped_acks_sent", KSTAT_DATA_ULONG);
 141         kstat_named_init(&ldckp->dring_mode, "dring_mode", KSTAT_DATA_ULONG);
 142
 143         ksp->ks_update = vgen_kstat_update;
 144         ksp->ks_private = (void *)statsp;
 145         kstat_install(ksp);
 146         return (ksp);
 147 }
 148
 149 /*
 150  * Destroy kstats.
 151  */
 152 void
 153 vgen_destroy_kstats(kstat_t *ksp)
 154 {
 155         if (ksp != NULL)
 156                 kstat_delete(ksp);
 157 }
 158
 159 /*
 160  * Update the kstats.
 161  */
 162 int
 163 vgen_kstat_update(kstat_t *ksp, int rw)
 164 {
 165         vgen_stats_t *statsp;
 166         vgen_kstats_t *ldckp;
 167
 168         statsp = (vgen_stats_t *)ksp->ks_private;
 169         ldckp = (vgen_kstats_t *)ksp->ks_data;
 170
 171         if (rw == KSTAT_READ) {
 172                 ldckp->ipackets.value.ul        = (uint32_t)statsp->ipackets +
 173                     (uint32_t)statsp->rx_pri_packets;
 174                 ldckp->ipackets64.value.ull     = statsp->ipackets +
 175                     statsp->rx_pri_packets;
 176                 ldckp->ierrors.value.ul         = statsp->ierrors;
 177                 ldckp->opackets.value.ul        = (uint32_t)statsp->opackets +
 178                     (uint32_t)statsp->tx_pri_packets;
 179                 ldckp->opackets64.value.ull     = statsp->opackets +
 180                     statsp->tx_pri_packets;
 181                 ldckp->oerrors.value.ul         = statsp->oerrors;
 182
 183                 /*
 184                  * MIB II kstat variables
 185                  */
 186                 ldckp->rbytes.value.ul          = (uint32_t)statsp->rbytes +
 187                     (uint32_t)statsp->rx_pri_bytes;
 188                 ldckp->rbytes64.value.ull       = statsp->rbytes +
 189                     statsp->rx_pri_bytes;
 190                 ldckp->obytes.value.ul          = (uint32_t)statsp->obytes +
 191                     (uint32_t)statsp->tx_pri_bytes;
 192                 ldckp->obytes64.value.ull       = statsp->obytes +
 193                     statsp->tx_pri_bytes;
 194                 ldckp->multircv.value.ul        = statsp->multircv;
 195                 ldckp->multixmt.value.ul        = statsp->multixmt;
 196                 ldckp->brdcstrcv.value.ul       = statsp->brdcstrcv;
 197                 ldckp->brdcstxmt.value.ul       = statsp->brdcstxmt;
 198                 ldckp->norcvbuf.value.ul        = statsp->norcvbuf;
 199                 ldckp->noxmtbuf.value.ul        = statsp->noxmtbuf;
 200
 201                 ldckp->tx_no_desc.value.ul      = statsp->tx_no_desc;
 202                 ldckp->tx_qfull.value.ul        = statsp->tx_qfull;
 203                 ldckp->tx_pri_fail.value.ul     = statsp->tx_pri_fail;
 204                 ldckp->tx_pri_packets.value.ull = statsp->tx_pri_packets;
 205                 ldckp->tx_pri_bytes.value.ull   = statsp->tx_pri_bytes;
 206
 207                 ldckp->rx_allocb_fail.value.ul  = statsp->rx_allocb_fail;
 208                 ldckp->rx_vio_allocb_fail.value.ul = statsp->rx_vio_allocb_fail;
 209                 ldckp->rx_lost_pkts.value.ul    = statsp->rx_lost_pkts;
 210                 ldckp->rx_pri_fail.value.ul     = statsp->rx_pri_fail;
 211                 ldckp->rx_pri_packets.value.ull = statsp->rx_pri_packets;
 212                 ldckp->rx_pri_bytes.value.ull   = statsp->rx_pri_bytes;
 213
 214                 ldckp->callbacks.value.ul       = statsp->callbacks;
 215
 216                 ldckp->dring_data_msgs_sent.value.ul =
 217                     statsp->dring_data_msgs_sent;
 218                 ldckp->dring_data_acks_rcvd.value.ul =
 219                     statsp->dring_data_acks_rcvd;
 220                 ldckp->dring_stopped_acks_rcvd.value.ul =
 221                     statsp->dring_stopped_acks_rcvd;
 222                 ldckp->dring_data_msgs_rcvd.value.ul =
 223                     statsp->dring_data_msgs_rcvd;
 224                 ldckp->dring_data_acks_sent.value.ul =
 225                     statsp->dring_data_acks_sent;
 226                 ldckp->dring_stopped_acks_sent.value.ul =
 227                     statsp->dring_stopped_acks_sent;
 228                 ldckp->dring_mode.value.ul = statsp->dring_mode;
 229         } else {
 230                 statsp->ipackets        = ldckp->ipackets64.value.ull;
 231                 statsp->ierrors         = ldckp->ierrors.value.ul;
 232                 statsp->opackets        = ldckp->opackets64.value.ull;
 233                 statsp->oerrors         = ldckp->oerrors.value.ul;
 234
 235                 /*
 236                  * MIB II kstat variables
 237                  */
 238                 statsp->rbytes          = ldckp->rbytes64.value.ull;
 239                 statsp->obytes          = ldckp->obytes64.value.ull;
 240                 statsp->multircv        = ldckp->multircv.value.ul;
 241                 statsp->multixmt        = ldckp->multixmt.value.ul;
 242                 statsp->brdcstrcv       = ldckp->brdcstrcv.value.ul;
 243                 statsp->brdcstxmt       = ldckp->brdcstxmt.value.ul;
 244                 statsp->norcvbuf        = ldckp->norcvbuf.value.ul;
 245                 statsp->noxmtbuf        = ldckp->noxmtbuf.value.ul;
 246
 247                 statsp->tx_no_desc      = ldckp->tx_no_desc.value.ul;
 248                 statsp->tx_qfull        = ldckp->tx_qfull.value.ul;
 249                 statsp->tx_pri_fail     = ldckp->tx_pri_fail.value.ul;
 250                 statsp->tx_pri_packets  = ldckp->tx_pri_packets.value.ull;
 251                 statsp->tx_pri_bytes    = ldckp->tx_pri_bytes.value.ull;
 252
 253                 statsp->rx_allocb_fail  = ldckp->rx_allocb_fail.value.ul;
 254                 statsp->rx_vio_allocb_fail = ldckp->rx_vio_allocb_fail.value.ul;
 255                 statsp->rx_lost_pkts    = ldckp->rx_lost_pkts.value.ul;
 256                 statsp->rx_pri_fail     = ldckp->rx_pri_fail.value.ul;
 257                 statsp->rx_pri_packets  = ldckp->rx_pri_packets.value.ull;
 258                 statsp->rx_pri_bytes    = ldckp->rx_pri_bytes.value.ull;
 259
 260                 statsp->callbacks       = ldckp->callbacks.value.ul;
 261                 statsp->dring_data_msgs_sent =
 262                     ldckp->dring_data_msgs_sent.value.ul;
 263                 statsp->dring_data_acks_rcvd =
 264                     ldckp->dring_data_acks_rcvd.value.ul;
 265                 statsp->dring_stopped_acks_rcvd =
 266                     ldckp->dring_stopped_acks_rcvd.value.ul;
 267                 statsp->dring_data_msgs_rcvd =
 268                     ldckp->dring_data_msgs_rcvd.value.ul;
 269                 statsp->dring_data_acks_sent =
 270                     ldckp->dring_data_acks_sent.value.ul;
 271                 statsp->dring_stopped_acks_sent =
 272                     ldckp->dring_stopped_acks_sent.value.ul;
 273                 statsp->dring_mode = ldckp->dring_mode.value.ul;
 274         }
 275
 276         return (0);
 277 }