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/*
* 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 2009 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
/*
* MAC Services Module
*/
#include <sys/types.h>
#include <sys/sysmacros.h>
#include <sys/stream.h>
#include <sys/kstat.h>
#include <sys/mac.h>
#include <sys/mac_impl.h>
#define MAC_KSTAT_NAME "mac"
#define MAC_KSTAT_CLASS "net"
static mac_stat_info_t i_mac_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_UNKNOWNS, "unknowns", 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_UNDERFLOWS, "uflo", KSTAT_DATA_UINT32, 0 },
{ MAC_STAT_OVERFLOWS, "oflo", 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 }
};
#define MAC_NKSTAT \
(sizeof (i_mac_si) / sizeof (mac_stat_info_t))
static mac_stat_info_t i_mac_mod_si[] = {
{ MAC_STAT_LINK_STATE, "link_state", KSTAT_DATA_UINT32,
(uint64_t)LINK_STATE_UNKNOWN },
{ MAC_STAT_LINK_UP, "link_up", KSTAT_DATA_UINT32, 0 },
{ MAC_STAT_PROMISC, "promisc", KSTAT_DATA_UINT32, 0 }
};
#define MAC_MOD_NKSTAT \
(sizeof (i_mac_mod_si) / sizeof (mac_stat_info_t))
#define MAC_MOD_KSTAT_OFFSET 0
#define MAC_KSTAT_OFFSET MAC_MOD_KSTAT_OFFSET + MAC_MOD_NKSTAT
#define MAC_TYPE_KSTAT_OFFSET MAC_KSTAT_OFFSET + MAC_NKSTAT
/*
* Private functions.
*/
static int
i_mac_stat_update(kstat_t *ksp, int rw)
{
mac_impl_t *mip = ksp->ks_private;
kstat_named_t *knp = ksp->ks_data;
uint_t i;
uint64_t val;
mac_stat_info_t *msi;
uint_t msi_index;
if (rw != KSTAT_READ)
return (EACCES);
for (i = 0; i < mip->mi_kstat_count; i++, msi_index++) {
if (i == MAC_MOD_KSTAT_OFFSET) {
msi_index = 0;
msi = i_mac_mod_si;
} else if (i == MAC_KSTAT_OFFSET) {
msi_index = 0;
msi = i_mac_si;
} else if (i == MAC_TYPE_KSTAT_OFFSET) {
msi_index = 0;
msi = mip->mi_type->mt_stats;
}
val = mac_stat_get((mac_handle_t)mip, msi[msi_index].msi_stat);
switch (msi[msi_index].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);
break;
}
knp++;
}
return (0);
}
static void
i_mac_kstat_init(kstat_named_t *knp, mac_stat_info_t *si, uint_t count)
{
int i;
for (i = 0; i < count; i++) {
kstat_named_init(knp, si[i].msi_name, si[i].msi_type);
knp++;
}
}
/*
* Exported functions.
*/
/*
* Create the "mac" kstat. The "mac" kstat is comprised of three kinds of
* statistics: statistics maintained by the mac module itself, generic mac
* statistics maintained by the driver, and MAC-type specific statistics
* also maintained by the driver.
*/
void
mac_stat_create(mac_impl_t *mip)
{
kstat_t *ksp;
kstat_named_t *knp;
uint_t count;
major_t major = getmajor(mip->mi_phy_dev);
count = MAC_MOD_NKSTAT + MAC_NKSTAT + mip->mi_type->mt_statcount;
ksp = kstat_create((const char *)ddi_major_to_name(major),
getminor(mip->mi_phy_dev) - 1, MAC_KSTAT_NAME,
MAC_KSTAT_CLASS, KSTAT_TYPE_NAMED, count, 0);
if (ksp == NULL)
return;
ksp->ks_update = i_mac_stat_update;
ksp->ks_private = mip;
mip->mi_ksp = ksp;
mip->mi_kstat_count = count;
knp = (kstat_named_t *)ksp->ks_data;
i_mac_kstat_init(knp, i_mac_mod_si, MAC_MOD_NKSTAT);
knp += MAC_MOD_NKSTAT;
i_mac_kstat_init(knp, i_mac_si, MAC_NKSTAT);
if (mip->mi_type->mt_statcount > 0) {
knp += MAC_NKSTAT;
i_mac_kstat_init(knp, mip->mi_type->mt_stats,
mip->mi_type->mt_statcount);
}
kstat_install(ksp);
}
/*ARGSUSED*/
void
mac_stat_destroy(mac_impl_t *mip)
{
if (mip->mi_ksp != NULL) {
kstat_delete(mip->mi_ksp);
mip->mi_ksp = NULL;
mip->mi_kstat_count = 0;
}
}
uint64_t
mac_stat_default(mac_impl_t *mip, uint_t stat)
{
uint_t stat_index;
if (IS_MAC_STAT(stat)) {
stat_index = stat - MAC_STAT_MIN;
return (i_mac_si[stat_index].msi_default);
}
ASSERT(IS_MACTYPE_STAT(stat));
stat_index = stat - MACTYPE_STAT_MIN;
return (mip->mi_type->mt_stats[stat_index].msi_default);
}
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