dls_stat.c revision da14cebe459d3275048785f25bd869cb09b5307f
/*
* 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.
*/
/*
* Data-Link Services Module
*/
#include <sys/dld_impl.h>
#include <sys/mac_ether.h>
static mac_stat_info_t i_dls_si[] = {
{ MAC_STAT_IFSPEED, "ifspeed", KSTAT_DATA_UINT64, 0 },
{ MAC_STAT_MULTIRCV, "multircv", KSTAT_DATA_UINT32, 0 },
{ MAC_STAT_BRDCSTRCV, "brdcstrcv", KSTAT_DATA_UINT32, 0 },
{ MAC_STAT_MULTIXMT, "multixmt", KSTAT_DATA_UINT32, 0 },
{ MAC_STAT_BRDCSTXMT, "brdcstxmt", KSTAT_DATA_UINT32, 0 },
{ MAC_STAT_NORCVBUF, "norcvbuf", KSTAT_DATA_UINT32, 0 },
{ MAC_STAT_IERRORS, "ierrors", KSTAT_DATA_UINT32, 0 },
{ MAC_STAT_NOXMTBUF, "noxmtbuf", KSTAT_DATA_UINT32, 0 },
{ MAC_STAT_OERRORS, "oerrors", KSTAT_DATA_UINT32, 0 },
{ MAC_STAT_COLLISIONS, "collisions", KSTAT_DATA_UINT32, 0 },
{ MAC_STAT_RBYTES, "rbytes", KSTAT_DATA_UINT32, 0 },
{ MAC_STAT_IPACKETS, "ipackets", KSTAT_DATA_UINT32, 0 },
{ MAC_STAT_OBYTES, "obytes", KSTAT_DATA_UINT32, 0 },
{ MAC_STAT_OPACKETS, "opackets", KSTAT_DATA_UINT32, 0 },
{ MAC_STAT_RBYTES, "rbytes64", KSTAT_DATA_UINT64, 0 },
{ MAC_STAT_IPACKETS, "ipackets64", KSTAT_DATA_UINT64, 0 },
{ MAC_STAT_OBYTES, "obytes64", KSTAT_DATA_UINT64, 0 },
{ MAC_STAT_OPACKETS, "opackets64", KSTAT_DATA_UINT64, 0 },
{ MAC_STAT_LINK_STATE, "link_state", KSTAT_DATA_UINT32,
(uint64_t)LINK_STATE_UNKNOWN}
};
#define STAT_INFO_COUNT (sizeof (i_dls_si) / sizeof (i_dls_si[0]))
/*
* Exported functions.
*/
int
dls_stat_update(kstat_t *ksp, dls_link_t *dlp, int rw)
{
kstat_named_t *knp;
uint_t i;
uint64_t val;
if (rw != KSTAT_READ)
return (EACCES);
knp = (kstat_named_t *)ksp->ks_data;
for (i = 0; i < STAT_INFO_COUNT; i++) {
val = mac_stat_get(dlp->dl_mh, i_dls_si[i].msi_stat);
switch (i_dls_si[i].msi_type) {
case KSTAT_DATA_UINT64:
knp->value.ui64 = val;
break;
case KSTAT_DATA_UINT32:
knp->value.ui32 = (uint32_t)val;
break;
default:
ASSERT(B_FALSE);
}
knp++;
}
/*
* Ethernet specific kstat "link_duplex"
*/
if (dlp->dl_mip->mi_nativemedia != DL_ETHER) {
knp->value.ui32 = LINK_DUPLEX_UNKNOWN;
} else {
val = mac_stat_get(dlp->dl_mh, ETHER_STAT_LINK_DUPLEX);
knp->value.ui32 = (uint32_t)val;
}
knp++;
knp->value.ui32 = dlp->dl_unknowns;
return (0);
}
int
dls_stat_create(const char *module, int instance, const char *name,
int (*update)(struct kstat *, int), void *private, kstat_t **kspp)
{
kstat_t *ksp;
kstat_named_t *knp;
uint_t i;
if ((ksp = kstat_create(module, instance, name, "net",
KSTAT_TYPE_NAMED, STAT_INFO_COUNT + 2, 0)) == NULL) {
return (EINVAL);
}
ksp->ks_update = update;
ksp->ks_private = private;
knp = (kstat_named_t *)ksp->ks_data;
for (i = 0; i < STAT_INFO_COUNT; i++) {
kstat_named_init(knp, i_dls_si[i].msi_name,
i_dls_si[i].msi_type);
knp++;
}
kstat_named_init(knp++, "link_duplex", KSTAT_DATA_UINT32);
kstat_named_init(knp, "unknowns", KSTAT_DATA_UINT32);
kstat_install(ksp);
*kspp = ksp;
return (0);
}