OpenSolaris_b135/uts/sun4v/io/vgen_stats.c
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2008 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
#include <sys/types.h>
#include <sys/errno.h>
#include <sys/param.h>
#include <sys/stream.h>
#include <sys/strsubr.h>
#include <sys/kmem.h>
#include <sys/ksynch.h>
#include <sys/stat.h>
#include <sys/vgen_stats.h>
/*
* A set of common kstat statistics related functions that are
* used by both vnet and vsw drivers to maintain the statistics specific
* LDCs.
*/
/*
* Setup kstats for the LDC statistics.
* NOTE: the synchronization for the statistics is the
* responsibility of the caller.
*/
kstat_t *
vgen_setup_kstats(char *ks_mod, int instance,
char *ks_name, vgen_stats_t *statsp)
{
kstat_t *ksp;
vgen_kstats_t *ldckp;
size_t size;
size = sizeof (vgen_kstats_t) / sizeof (kstat_named_t);
ksp = kstat_create(ks_mod, instance, ks_name, "net", KSTAT_TYPE_NAMED,
size, 0);
if (ksp == NULL) {
return (NULL);
}
ldckp = (vgen_kstats_t *)ksp->ks_data;
kstat_named_init(&ldckp->ipackets, "ipackets",
KSTAT_DATA_ULONG);
kstat_named_init(&ldckp->ipackets64, "ipackets64",
KSTAT_DATA_ULONGLONG);
kstat_named_init(&ldckp->ierrors, "ierrors",
KSTAT_DATA_ULONG);
kstat_named_init(&ldckp->opackets, "opackets",
KSTAT_DATA_ULONG);
kstat_named_init(&ldckp->opackets64, "opackets64",
KSTAT_DATA_ULONGLONG);
kstat_named_init(&ldckp->oerrors, "oerrors",
KSTAT_DATA_ULONG);
/* MIB II kstat variables */
kstat_named_init(&ldckp->rbytes, "rbytes",
KSTAT_DATA_ULONG);
kstat_named_init(&ldckp->rbytes64, "rbytes64",
KSTAT_DATA_ULONGLONG);
kstat_named_init(&ldckp->obytes, "obytes",
KSTAT_DATA_ULONG);
kstat_named_init(&ldckp->obytes64, "obytes64",
KSTAT_DATA_ULONGLONG);
kstat_named_init(&ldckp->multircv, "multircv",
KSTAT_DATA_ULONG);
kstat_named_init(&ldckp->multixmt, "multixmt",
KSTAT_DATA_ULONG);
kstat_named_init(&ldckp->brdcstrcv, "brdcstrcv",
KSTAT_DATA_ULONG);
kstat_named_init(&ldckp->brdcstxmt, "brdcstxmt",
KSTAT_DATA_ULONG);
kstat_named_init(&ldckp->norcvbuf, "norcvbuf",
KSTAT_DATA_ULONG);
kstat_named_init(&ldckp->noxmtbuf, "noxmtbuf",
KSTAT_DATA_ULONG);
/* Tx stats */
kstat_named_init(&ldckp->tx_no_desc, "tx_no_desc",
KSTAT_DATA_ULONG);
kstat_named_init(&ldckp->tx_qfull, "tx_qfull",
KSTAT_DATA_ULONG);
kstat_named_init(&ldckp->tx_pri_fail, "tx_pri_fail",
KSTAT_DATA_ULONG);
kstat_named_init(&ldckp->tx_pri_packets, "tx_pri_packets",
KSTAT_DATA_ULONGLONG);
kstat_named_init(&ldckp->tx_pri_bytes, "tx_pri_bytes",
KSTAT_DATA_ULONGLONG);
/* Rx stats */
kstat_named_init(&ldckp->rx_allocb_fail, "rx_allocb_fail",
KSTAT_DATA_ULONG);
kstat_named_init(&ldckp->rx_vio_allocb_fail, "rx_vio_allocb_fail",
KSTAT_DATA_ULONG);
kstat_named_init(&ldckp->rx_lost_pkts, "rx_lost_pkts",
KSTAT_DATA_ULONG);
kstat_named_init(&ldckp->rx_pri_fail, "rx_pri_fail",
KSTAT_DATA_ULONG);
kstat_named_init(&ldckp->rx_pri_packets, "rx_pri_packets",
KSTAT_DATA_ULONGLONG);
kstat_named_init(&ldckp->rx_pri_bytes, "rx_pri_bytes",
KSTAT_DATA_ULONGLONG);
/* Interrupt stats */
kstat_named_init(&ldckp->callbacks, "callbacks",
KSTAT_DATA_ULONG);
kstat_named_init(&ldckp->dring_data_acks, "dring_data_acks",
KSTAT_DATA_ULONG);
kstat_named_init(&ldckp->dring_stopped_acks, "dring_stopped_acks",
KSTAT_DATA_ULONG);
kstat_named_init(&ldckp->dring_data_msgs, "dring_data_msgs",
KSTAT_DATA_ULONG);
ksp->ks_update = vgen_kstat_update;
ksp->ks_private = (void *)statsp;
kstat_install(ksp);
return (ksp);
}
/*
* Destroy kstats.
*/
void
vgen_destroy_kstats(kstat_t *ksp)
{
if (ksp != NULL)
kstat_delete(ksp);
}
/*
* Update the kstats.
*/
int
vgen_kstat_update(kstat_t *ksp, int rw)
{
vgen_stats_t *statsp;
vgen_kstats_t *ldckp;
statsp = (vgen_stats_t *)ksp->ks_private;
ldckp = (vgen_kstats_t *)ksp->ks_data;
if (rw == KSTAT_READ) {
ldckp->ipackets.value.ul = (uint32_t)statsp->ipackets +
(uint32_t)statsp->rx_pri_packets;
ldckp->ipackets64.value.ull = statsp->ipackets +
statsp->rx_pri_packets;
ldckp->ierrors.value.ul = statsp->ierrors;
ldckp->opackets.value.ul = (uint32_t)statsp->opackets +
(uint32_t)statsp->tx_pri_packets;
ldckp->opackets64.value.ull = statsp->opackets +
statsp->tx_pri_packets;
ldckp->oerrors.value.ul = statsp->oerrors;
/*
* MIB II kstat variables
*/
ldckp->rbytes.value.ul = (uint32_t)statsp->rbytes +
(uint32_t)statsp->rx_pri_bytes;
ldckp->rbytes64.value.ull = statsp->rbytes +
statsp->rx_pri_bytes;
ldckp->obytes.value.ul = (uint32_t)statsp->obytes +
(uint32_t)statsp->tx_pri_bytes;
ldckp->obytes64.value.ull = statsp->obytes +
statsp->tx_pri_bytes;
ldckp->multircv.value.ul = statsp->multircv;
ldckp->multixmt.value.ul = statsp->multixmt;
ldckp->brdcstrcv.value.ul = statsp->brdcstrcv;
ldckp->brdcstxmt.value.ul = statsp->brdcstxmt;
ldckp->norcvbuf.value.ul = statsp->norcvbuf;
ldckp->noxmtbuf.value.ul = statsp->noxmtbuf;
ldckp->tx_no_desc.value.ul = statsp->tx_no_desc;
ldckp->tx_qfull.value.ul = statsp->tx_qfull;
ldckp->tx_pri_fail.value.ul = statsp->tx_pri_fail;
ldckp->tx_pri_packets.value.ull = statsp->tx_pri_packets;
ldckp->tx_pri_bytes.value.ull = statsp->tx_pri_bytes;
ldckp->rx_allocb_fail.value.ul = statsp->rx_allocb_fail;
ldckp->rx_vio_allocb_fail.value.ul = statsp->rx_vio_allocb_fail;
ldckp->rx_lost_pkts.value.ul = statsp->rx_lost_pkts;
ldckp->rx_pri_fail.value.ul = statsp->rx_pri_fail;
ldckp->rx_pri_packets.value.ull = statsp->rx_pri_packets;
ldckp->rx_pri_bytes.value.ull = statsp->rx_pri_bytes;
ldckp->callbacks.value.ul = statsp->callbacks;
ldckp->dring_data_acks.value.ul = statsp->dring_data_acks;
ldckp->dring_stopped_acks.value.ul = statsp->dring_stopped_acks;
ldckp->dring_data_msgs.value.ul = statsp->dring_data_msgs;
} else {
statsp->ipackets = ldckp->ipackets64.value.ull;
statsp->ierrors = ldckp->ierrors.value.ul;
statsp->opackets = ldckp->opackets64.value.ull;
statsp->oerrors = ldckp->oerrors.value.ul;
/*
* MIB II kstat variables
*/
statsp->rbytes = ldckp->rbytes64.value.ull;
statsp->obytes = ldckp->obytes64.value.ull;
statsp->multircv = ldckp->multircv.value.ul;
statsp->multixmt = ldckp->multixmt.value.ul;
statsp->brdcstrcv = ldckp->brdcstrcv.value.ul;
statsp->brdcstxmt = ldckp->brdcstxmt.value.ul;
statsp->norcvbuf = ldckp->norcvbuf.value.ul;
statsp->noxmtbuf = ldckp->noxmtbuf.value.ul;
statsp->tx_no_desc = ldckp->tx_no_desc.value.ul;
statsp->tx_qfull = ldckp->tx_qfull.value.ul;
statsp->tx_pri_fail = ldckp->tx_pri_fail.value.ul;
statsp->tx_pri_packets = ldckp->tx_pri_packets.value.ull;
statsp->tx_pri_bytes = ldckp->tx_pri_bytes.value.ull;
statsp->rx_allocb_fail = ldckp->rx_allocb_fail.value.ul;
statsp->rx_vio_allocb_fail = ldckp->rx_vio_allocb_fail.value.ul;
statsp->rx_lost_pkts = ldckp->rx_lost_pkts.value.ul;
statsp->rx_pri_fail = ldckp->rx_pri_fail.value.ul;
statsp->rx_pri_packets = ldckp->rx_pri_packets.value.ull;
statsp->rx_pri_bytes = ldckp->rx_pri_bytes.value.ull;
statsp->callbacks = ldckp->callbacks.value.ul;
statsp->dring_data_acks = ldckp->dring_data_acks.value.ul;
statsp->dring_stopped_acks = ldckp->dring_stopped_acks.value.ul;
statsp->dring_data_msgs = ldckp->dring_data_msgs.value.ul;
}
return (0);
}