io/mac/mac_stat.c

	mac_stat.c revision 7c478bd95313f5f23a4c958a745db2134aa03244
/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License, Version 1.0 only
 * (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 2005 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

#pragma ident   "%Z%%M% %I% %E% SMI"

/*
 * 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>

typedef struct i_mac_stat_info_s {
    enum mac_stat   msi_stat;
    char        *msi_name;
    uint_t      msi_type;
} i_mac_stat_info_t;

static i_mac_stat_info_t    i_mac_si[] = {
    { MAC_STAT_IFSPEED, "ifspeed", KSTAT_DATA_UINT64 },
    { MAC_STAT_MULTIRCV, "multircv", KSTAT_DATA_UINT32 },
    { MAC_STAT_BRDCSTRCV, "brdcstrcv", KSTAT_DATA_UINT32 },
    { MAC_STAT_MULTIXMT, "multixmt", KSTAT_DATA_UINT32 },
    { MAC_STAT_BRDCSTXMT, "brdcstxmt", KSTAT_DATA_UINT32 },
    { MAC_STAT_NORCVBUF, "norcvbuf", KSTAT_DATA_UINT32 },
    { MAC_STAT_IERRORS, "ierrors", KSTAT_DATA_UINT32 },
    { MAC_STAT_UNKNOWNS, "unknowns", KSTAT_DATA_UINT32 },
    { MAC_STAT_NOXMTBUF, "noxmtbuf", KSTAT_DATA_UINT32 },
    { MAC_STAT_OERRORS, "oerrors", KSTAT_DATA_UINT32 },
    { MAC_STAT_COLLISIONS, "collisions", KSTAT_DATA_UINT32 },
    { MAC_STAT_RBYTES, "rbytes", KSTAT_DATA_UINT32 },
    { MAC_STAT_IPACKETS, "ipackets", KSTAT_DATA_UINT32 },
    { MAC_STAT_OBYTES, "obytes", KSTAT_DATA_UINT32 },
    { MAC_STAT_OPACKETS, "opackets", KSTAT_DATA_UINT32 },
    { MAC_STAT_RBYTES, "rbytes64", KSTAT_DATA_UINT64 },
    { MAC_STAT_IPACKETS, "ipackets64", KSTAT_DATA_UINT64 },
    { MAC_STAT_OBYTES, "obytes64", KSTAT_DATA_UINT64 },
    { MAC_STAT_OPACKETS, "opackets64", KSTAT_DATA_UINT64 },
    { MAC_STAT_ALIGN_ERRORS, "align_errors", KSTAT_DATA_UINT32 },
    { MAC_STAT_FCS_ERRORS, "fcs_errors", KSTAT_DATA_UINT32 },
    { MAC_STAT_FIRST_COLLISIONS, "first_collsions", KSTAT_DATA_UINT32 },
    { MAC_STAT_MULTI_COLLISIONS, "multi_collsions", KSTAT_DATA_UINT32 },
    { MAC_STAT_SQE_ERRORS, "sqe_errors", KSTAT_DATA_UINT32 },
    { MAC_STAT_DEFER_XMTS, "defer_xmts", KSTAT_DATA_UINT32 },
    { MAC_STAT_TX_LATE_COLLISIONS, "tx_late_collsions", KSTAT_DATA_UINT32 },
    { MAC_STAT_EX_COLLISIONS, "ex_collsions", KSTAT_DATA_UINT32 },
    { MAC_STAT_MACXMT_ERRORS, "macxmt_errors", KSTAT_DATA_UINT32 },
    { MAC_STAT_CARRIER_ERRORS, "carrier_errors", KSTAT_DATA_UINT32 },
    { MAC_STAT_TOOLONG_ERRORS, "toolong_errors", KSTAT_DATA_UINT32 },
    { MAC_STAT_MACRCV_ERRORS, "macrcv_errors", KSTAT_DATA_UINT32 },
    { MAC_STAT_XCVR_ADDR, "xcvr_addr", KSTAT_DATA_UINT32 },
    { MAC_STAT_XCVR_ID, "xcvr_id", KSTAT_DATA_UINT32 },
    { MAC_STAT_XCVR_INUSE, "xcvr_inuse", KSTAT_DATA_UINT32 },
    { MAC_STAT_CAP_1000FDX, "cap_1000fdx", KSTAT_DATA_UINT32 },
    { MAC_STAT_CAP_1000HDX, "cap_1000hdx", KSTAT_DATA_UINT32 },
    { MAC_STAT_CAP_100FDX, "cap_100fdx", KSTAT_DATA_UINT32 },
    { MAC_STAT_CAP_100HDX, "cap_100hdx", KSTAT_DATA_UINT32 },
    { MAC_STAT_CAP_10FDX, "cap_10fdx", KSTAT_DATA_UINT32 },
    { MAC_STAT_CAP_10HDX, "cap_10hdx", KSTAT_DATA_UINT32 },
    { MAC_STAT_CAP_ASMPAUSE, "cap_asmpause", KSTAT_DATA_UINT32 },
    { MAC_STAT_CAP_PAUSE, "cap_pause", KSTAT_DATA_UINT32 },
    { MAC_STAT_CAP_AUTONEG, "cap_autoneg", KSTAT_DATA_UINT32 },
    { MAC_STAT_ADV_CAP_1000FDX, "adv_cap_1000fdx", KSTAT_DATA_UINT32 },
    { MAC_STAT_ADV_CAP_1000HDX, "adv_cap_1000hdx", KSTAT_DATA_UINT32 },
    { MAC_STAT_ADV_CAP_100FDX, "adv_cap_100fdx", KSTAT_DATA_UINT32 },
    { MAC_STAT_ADV_CAP_100HDX, "adv_cap_100hdx", KSTAT_DATA_UINT32 },
    { MAC_STAT_ADV_CAP_10FDX, "adv_cap_10fdx", KSTAT_DATA_UINT32 },
    { MAC_STAT_ADV_CAP_10HDX, "adv_cap_10hdx", KSTAT_DATA_UINT32 },
    { MAC_STAT_ADV_CAP_ASMPAUSE, "adv_cap_asmpause", KSTAT_DATA_UINT32 },
    { MAC_STAT_ADV_CAP_PAUSE, "adv_cap_pause", KSTAT_DATA_UINT32 },
    { MAC_STAT_ADV_CAP_AUTONEG, "adv_cap_autoneg", KSTAT_DATA_UINT32 },
    { MAC_STAT_LP_CAP_1000FDX, "lp_cap_1000fdx", KSTAT_DATA_UINT32 },
    { MAC_STAT_LP_CAP_1000HDX, "lp_cap_1000hdx", KSTAT_DATA_UINT32 },
    { MAC_STAT_LP_CAP_100FDX, "lp_cap_100fdx", KSTAT_DATA_UINT32 },
    { MAC_STAT_LP_CAP_100HDX, "lp_cap_100hdx", KSTAT_DATA_UINT32 },
    { MAC_STAT_LP_CAP_10FDX, "lp_cap_10fdx", KSTAT_DATA_UINT32 },
    { MAC_STAT_LP_CAP_10HDX, "lp_cap_10hdx", KSTAT_DATA_UINT32 },
    { MAC_STAT_LP_CAP_ASMPAUSE, "lp_cap_asmpause", KSTAT_DATA_UINT32 },
    { MAC_STAT_LP_CAP_PAUSE, "lp_cap_pause", KSTAT_DATA_UINT32 },
    { MAC_STAT_LP_CAP_AUTONEG, "lp_cap_autoneg", KSTAT_DATA_UINT32 },
    { MAC_STAT_LINK_ASMPAUSE, "link_asmpause", KSTAT_DATA_UINT32 },
    { MAC_STAT_LINK_PAUSE, "link_pause", KSTAT_DATA_UINT32 },
    { MAC_STAT_LINK_AUTONEG, "link_autoneg", KSTAT_DATA_UINT32 },
    { MAC_STAT_LINK_DUPLEX, "link_duplex", KSTAT_DATA_UINT32 }
};

#define STAT_INFO_COUNT (sizeof (i_mac_si) / sizeof (i_mac_si[0]))

/*
 * Private functions.
 */

static int
i_mac_stat_update(kstat_t *ksp, int rw)
{
    mac_impl_t  *mip = ksp->ks_private;
    mac_t       *mp = mip->mi_mp;
    kstat_named_t   *knp;
    uint_t      i;
    uint64_t    val;

    if (rw != KSTAT_READ)
        return (EACCES);

    knp = ksp->ks_data;
    for (i = 0; i < STAT_INFO_COUNT; i++) {
        if (!(mp->m_info.mi_stat[i_mac_si[i].msi_stat]))
            continue;

        val = mac_stat_get((mac_handle_t)mip, i_mac_si[i].msi_stat);

        switch (i_mac_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);
            break;
        }

        knp++;
    }

    (knp++)->value.ui32 = mip->mi_link;
    (knp++)->value.ui32 = (mip->mi_link == LINK_STATE_UP);
    knp->value.ui32 = (mip->mi_devpromisc != 0);

    return (0);
}

/*
 * Exported functions.
 */

void
mac_stat_create(mac_impl_t *mip)
{
    mac_t       *mp = mip->mi_mp;
    kstat_t     *ksp;
    kstat_named_t   *knp;
    uint_t      i;
    uint_t      count;

    count = 0;
    for (i = 0; i < STAT_INFO_COUNT; i++) {
        if (mp->m_info.mi_stat[i_mac_si[i].msi_stat])
            count++;
    }

    if ((ksp = kstat_create(mip->mi_dev, mip->mi_port, mip->mi_name,
        "mac", KSTAT_TYPE_NAMED, count + 3, 0)) == NULL)
        return;

    ksp->ks_update = i_mac_stat_update;
    ksp->ks_private = (void *)mip;
    mip->mi_ksp = ksp;

    knp = (kstat_named_t *)ksp->ks_data;
    for (i = 0; i < STAT_INFO_COUNT; i++) {
        if (!(mp->m_info.mi_stat[i_mac_si[i].msi_stat]))
            continue;

        kstat_named_init(knp, i_mac_si[i].msi_name,
            i_mac_si[i].msi_type);
        knp++;
        --count;
    }
    ASSERT(count == 0);

    kstat_named_init(knp++, "link_state", KSTAT_DATA_UINT32);
    kstat_named_init(knp++, "link_up", KSTAT_DATA_UINT32);
    kstat_named_init(knp, "promisc", KSTAT_DATA_UINT32);

    kstat_install(ksp);
}

/*ARGSUSED*/
void
mac_stat_destroy(mac_impl_t *mip)
{
    kstat_delete(mip->mi_ksp);
    mip->mi_ksp = NULL;
}