/*
 * 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 (c) 2006, 2010, Oracle and/or its affiliates. All rights reserved.
 */

#include <sys/nxge/nxge_impl.h>

/*
 * Tunable Receive Completion Ring Configuration B parameters.
 */
uint16_t nxge_rx_pkt_thres;     /* 16 bits */
uint8_t nxge_rx_pkt_timeout;    /* 6 bits based on DMA clock divider */

lb_property_t lb_normal = {normal, "normal", nxge_lb_normal};
lb_property_t lb_external10g = {external, "external10g", nxge_lb_ext10g};
lb_property_t lb_external1000 = {external, "external1000", nxge_lb_ext1000};
lb_property_t lb_external100 = {external, "external100", nxge_lb_ext100};
lb_property_t lb_external10 = {external, "external10", nxge_lb_ext10};
lb_property_t lb_phy10g = {internal, "phy10g", nxge_lb_phy10g};
lb_property_t lb_phy1000 = {internal, "phy1000", nxge_lb_phy1000};
lb_property_t lb_phy = {internal, "phy", nxge_lb_phy};
lb_property_t lb_serdes10g = {internal, "serdes10g", nxge_lb_serdes10g};
lb_property_t lb_serdes1000 = {internal, "serdes", nxge_lb_serdes1000};
lb_property_t lb_mac10g = {internal, "mac10g", nxge_lb_mac10g};
lb_property_t lb_mac1000 = {internal, "mac1000", nxge_lb_mac1000};
lb_property_t lb_mac = {internal, "mac10/100", nxge_lb_mac};

uint32_t nxge_lb_dbg = 1;
void nxge_get_mii(p_nxge_t nxgep, p_mblk_t mp);
void nxge_put_mii(p_nxge_t nxgep, p_mblk_t mp);
static nxge_status_t nxge_check_xaui_xfp(p_nxge_t nxgep);

extern uint32_t nxge_rx_mode;
extern uint32_t nxge_jumbo_mtu;
extern uint16_t nxge_rdc_buf_offset;

static void
nxge_rtrace_ioctl(p_nxge_t, queue_t *, mblk_t *, struct iocblk *);

/* ARGSUSED */
nxge_status_t
nxge_global_reset(p_nxge_t nxgep)
{
        nxge_status_t   status = NXGE_OK;

        NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_global_reset"));

        if ((status = nxge_link_monitor(nxgep, LINK_MONITOR_STOP)) != NXGE_OK)
                return (status);
        (void) nxge_intr_hw_disable(nxgep);

        if ((nxgep->suspended) ||
            ((nxgep->statsp->port_stats.lb_mode ==
            nxge_lb_phy1000) ||
            (nxgep->statsp->port_stats.lb_mode ==
            nxge_lb_phy10g) ||
            (nxgep->statsp->port_stats.lb_mode ==
            nxge_lb_serdes1000) ||
            (nxgep->statsp->port_stats.lb_mode ==
            nxge_lb_serdes10g))) {
                if ((status = nxge_link_init(nxgep)) != NXGE_OK)
                        return (status);
        }

        if ((status = nxge_link_monitor(nxgep, LINK_MONITOR_START)) != NXGE_OK)
                return (status);
        if ((status = nxge_mac_init(nxgep)) != NXGE_OK)
                return (status);
        (void) nxge_intr_hw_enable(nxgep);

        NXGE_DEBUG_MSG((nxgep, DDI_CTL, "<== nxge_global_reset"));
        return (status);
}

/* ARGSUSED */
void
nxge_hw_id_init(p_nxge_t nxgep)
{
        NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_hw_id_init"));

        /*
         * Set up initial hardware parameters required such as mac mtu size.
         */
        nxgep->mac.is_jumbo = B_FALSE;

        /*
         * Set the maxframe size to 1522 (1518 + 4) to account for
         * VLAN tagged packets.
         */
        nxgep->mac.minframesize = NXGE_MIN_MAC_FRAMESIZE;       /* 64 */
        nxgep->mac.maxframesize = NXGE_MAX_MAC_FRAMESIZE;       /* 1522 */

        NXGE_DEBUG_MSG((nxgep, DDI_CTL, "<== nxge_hw_id_init: maxframesize %d",
            nxgep->mac.maxframesize));
        NXGE_DEBUG_MSG((nxgep, DDI_CTL, "<== nxge_hw_id_init"));
}

/* ARGSUSED */
void
nxge_hw_init_niu_common(p_nxge_t nxgep)
{
        p_nxge_hw_list_t hw_p;

        NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_hw_init_niu_common"));

        if ((hw_p = nxgep->nxge_hw_p) == NULL) {
                return;
        }
        MUTEX_ENTER(&hw_p->nxge_cfg_lock);
        if (hw_p->flags & COMMON_INIT_DONE) {
                NXGE_DEBUG_MSG((nxgep, MOD_CTL,
                    "nxge_hw_init_niu_common"
                    " already done for dip $%p function %d exiting",
                    hw_p->parent_devp, nxgep->function_num));
                MUTEX_EXIT(&hw_p->nxge_cfg_lock);
                return;
        }

        hw_p->flags = COMMON_INIT_START;
        NXGE_DEBUG_MSG((nxgep, MOD_CTL, "nxge_hw_init_niu_common"
            " Started for device id %x with function %d",
            hw_p->parent_devp, nxgep->function_num));

        /* per neptune common block init */
        (void) nxge_fflp_hw_reset(nxgep);

        if (nxgep->niu_hw_type != NIU_HW_TYPE_RF) {
                switch (nxge_rdc_buf_offset) {
                case SW_OFFSET_NO_OFFSET:
                case SW_OFFSET_64:
                case SW_OFFSET_128:
                        break;
                default:
                        NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
                            "nxge_hw_init_niu_common: Unsupported RDC buffer"
                            " offset code %d, setting to %d",
                            nxge_rdc_buf_offset, SW_OFFSET_NO_OFFSET));
                        nxge_rdc_buf_offset = SW_OFFSET_NO_OFFSET;
                        break;
                }
        } else {
                switch (nxge_rdc_buf_offset) {
                case SW_OFFSET_NO_OFFSET:
                case SW_OFFSET_64:
                case SW_OFFSET_128:
                case SW_OFFSET_192:
                case SW_OFFSET_256:
                case SW_OFFSET_320:
                case SW_OFFSET_384:
                case SW_OFFSET_448:
                        break;
                default:
                        NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
                            "nxge_hw_init_niu_common: Unsupported RDC buffer"
                            " offset code %d, setting to %d",
                            nxge_rdc_buf_offset, SW_OFFSET_NO_OFFSET));
                        nxge_rdc_buf_offset = SW_OFFSET_NO_OFFSET;
                        break;
                }
        }

        hw_p->flags = COMMON_INIT_DONE;
        MUTEX_EXIT(&hw_p->nxge_cfg_lock);

        NXGE_DEBUG_MSG((nxgep, MOD_CTL, "nxge_hw_init_niu_common"
            " Done for device id %x with function %d",
            hw_p->parent_devp, nxgep->function_num));
        NXGE_DEBUG_MSG((nxgep, DDI_CTL, "<== nxge_hw_init_niu_common"));
}

uint_t
nxge_intr(char *arg1, char *arg2)
{
        p_nxge_ldv_t ldvp = (p_nxge_ldv_t)arg1;
        p_nxge_t nxgep = (p_nxge_t)arg2;
        uint_t serviced = DDI_INTR_UNCLAIMED;
        uint8_t ldv;
        npi_handle_t handle;
        p_nxge_ldgv_t ldgvp;
        p_nxge_ldg_t ldgp, t_ldgp;
        p_nxge_ldv_t t_ldvp;
        uint64_t vector0 = 0, vector1 = 0, vector2 = 0;
        int i, j, nldvs, nintrs = 1;
        npi_status_t rs = NPI_SUCCESS;

        VERIFY(ldvp != NULL);

        /* DDI interface returns second arg as NULL (n2 niumx driver) !!! */
        if (arg2 == NULL || (void *) ldvp->nxgep != arg2) {
                nxgep = ldvp->nxgep;
        }
        NXGE_DEBUG_MSG((nxgep, INT_CTL, "==> nxge_intr"));

        if (!(nxgep->drv_state & STATE_HW_INITIALIZED)) {
                NXGE_ERROR_MSG((nxgep, INT_CTL,
                    "<== nxge_intr: not initialized 0x%x", serviced));
                return (serviced);
        }

        ldgvp = nxgep->ldgvp;
        NXGE_DEBUG_MSG((nxgep, INT_CTL, "==> nxge_intr: ldgvp $%p", ldgvp));
        if (ldvp == NULL && ldgvp) {
                t_ldvp = ldvp = ldgvp->ldvp;
        }
        if (ldvp) {
                ldgp = t_ldgp = ldvp->ldgp;
        }
        NXGE_DEBUG_MSG((nxgep, INT_CTL, "==> nxge_intr: "
            "ldgvp $%p ldvp $%p ldgp $%p", ldgvp, ldvp, ldgp));
        if (ldgvp == NULL || ldvp == NULL || ldgp == NULL) {
                NXGE_ERROR_MSG((nxgep, INT_CTL, "==> nxge_intr: "
                    "ldgvp $%p ldvp $%p ldgp $%p", ldgvp, ldvp, ldgp));
                NXGE_ERROR_MSG((nxgep, INT_CTL, "<== nxge_intr: not ready"));
                return (DDI_INTR_UNCLAIMED);
        }
        /*
         * This interrupt handler will have to go through all the logical
         * devices to find out which logical device interrupts us and then call
         * its handler to process the events.
         */
        handle = NXGE_DEV_NPI_HANDLE(nxgep);
        t_ldgp = ldgp;
        t_ldvp = ldgp->ldvp;

        nldvs = ldgp->nldvs;

        NXGE_DEBUG_MSG((nxgep, INT_CTL, "==> nxge_intr: #ldvs %d #intrs %d",
            nldvs, ldgvp->ldg_intrs));

        serviced = DDI_INTR_CLAIMED;
        for (i = 0; i < nintrs; i++, t_ldgp++) {
                NXGE_DEBUG_MSG((nxgep, INT_CTL, "==> nxge_intr(%d): #ldvs %d "
                    " #intrs %d", i, nldvs, nintrs));
                /* Get this group's flag bits.  */
                rs = npi_ldsv_ldfs_get(handle, t_ldgp->ldg,
                    &vector0, &vector1, &vector2);
                if (rs) {
                        continue;
                }
                if (!vector0 && !vector1 && !vector2) {
                        NXGE_DEBUG_MSG((nxgep, INT_CTL, "==> nxge_intr: "
                            "no interrupts on group %d", t_ldgp->ldg));
                        continue;
                }
                NXGE_DEBUG_MSG((nxgep, INT_CTL, "==> nxge_intr: "
                    "vector0 0x%llx vector1 0x%llx vector2 0x%llx",
                    vector0, vector1, vector2));
                nldvs = t_ldgp->nldvs;
                for (j = 0; j < nldvs; j++, t_ldvp++) {
                        /*
                         * Call device's handler if flag bits are on.
                         */
                        ldv = t_ldvp->ldv;
                        if (((ldv < NXGE_MAC_LD_START) &&
                            (LDV_ON(ldv, vector0) |
                            (LDV_ON(ldv, vector1)))) ||
                            (ldv >= NXGE_MAC_LD_START &&
                            ((LDV2_ON_1(ldv, vector2)) ||
                            (LDV2_ON_2(ldv, vector2))))) {
                                (void) (t_ldvp->ldv_intr_handler)(
                                    (caddr_t)t_ldvp, arg2);
                                NXGE_DEBUG_MSG((nxgep, INT_CTL,
                                    "==> nxge_intr: "
                                    "calling device %d #ldvs %d #intrs %d",
                                    j, nldvs, nintrs));
                        }
                }
        }

        t_ldgp = ldgp;
        for (i = 0; i < nintrs; i++, t_ldgp++) {
                /* rearm group interrupts */
                NXGE_DEBUG_MSG((nxgep, INT_CTL, "==> nxge_intr: arm "
                    "group %d", t_ldgp->ldg));
                (void) npi_intr_ldg_mgmt_set(handle, t_ldgp->ldg,
                    t_ldgp->arm, t_ldgp->ldg_timer);
        }

        NXGE_DEBUG_MSG((nxgep, INT_CTL, "<== nxge_intr: serviced 0x%x",
            serviced));
        return (serviced);
}


/*
 * XFP Related Status Register Values Under 3 Different Conditions
 *
 * -------------+-------------------------+-------------------------
 *              |   Intel XFP and Avago   |      Picolight XFP
 * -------------+---------+---------------+---------+---------------
 *              | STATUS0 | TX_ALARM_STAT | STATUS0 | TX_ALARM_STAT
 * -------------+---------+---------------+---------+---------------
 *      No XFP  | 0x639C  |      0x40     | 0x639C  |      0x40
 * -------------+---------+---------------+---------+---------------
 * XFP,linkdown | 0x43BC  |      0x40     | 0x639C  |      0x40
 * -------------+---------+---------------+---------+---------------
 * XFP,linkup   | 0x03FC  |      0x0      | 0x03FC  |      0x0
 * -------------+---------+---------------+---------+---------------
 * Note:
 *      STATUS0         = BCM8704_USER_ANALOG_STATUS0_REG
 *      TX_ALARM_STAT   = BCM8704_USER_TX_ALARM_STATUS_REG
 */
/* ARGSUSED */
static nxge_status_t
nxge_check_xaui_xfp(p_nxge_t nxgep)
{
        nxge_status_t   status = NXGE_OK;
        uint8_t         phy_port_addr;
        uint16_t        val;
        uint16_t        val1;
        uint8_t         portn;

        NXGE_DEBUG_MSG((nxgep, INT_CTL, "==> nxge_check_xaui_xfp"));

        portn = nxgep->mac.portnum;
        phy_port_addr = nxgep->statsp->mac_stats.xcvr_portn;

        /*
         * Keep the val1 code even though it is not used. Could be
         * used to differenciate the "No XFP" case and "XFP,linkdown"
         * case when a Intel XFP is used.
         */
        if ((status = nxge_mdio_read(nxgep, phy_port_addr,
            BCM8704_USER_DEV3_ADDR,
            BCM8704_USER_ANALOG_STATUS0_REG, &val)) == NXGE_OK) {
                status = nxge_mdio_read(nxgep, phy_port_addr,
                    BCM8704_USER_DEV3_ADDR,
                    BCM8704_USER_TX_ALARM_STATUS_REG, &val1);
        }

        if (status != NXGE_OK) {
                NXGE_FM_REPORT_ERROR(nxgep, portn, 0,
                    NXGE_FM_EREPORT_XAUI_ERR);
                if (DDI_FM_EREPORT_CAP(nxgep->fm_capabilities)) {
                        NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
                            "XAUI is bad or absent on port<%d>\n", portn));
                }
#ifdef NXGE_DEBUG
        /*
         * As a workaround for CR6693529, do not execute this block of
         * code for non-debug driver. When a Picolight XFP transceiver
         * is used, register BCM8704_USER_ANALOG_STATUS0_REG returns
         * the same 0x639C value in normal link down case, which causes
         * false FMA messages and link reconnection problem.
         */
        } else if (nxgep->mac.portmode == PORT_10G_FIBER) {
                /*
                 * 0x03FC = 0000 0011 1111 1100 (XFP is normal)
                 * 0x639C = 0110 0011 1001 1100 (XFP has problem)
                 * bit14 = 1: PDM loss-of-light indicator
                 * bit13 = 1: PDM Rx loss-of-signal
                 * bit6  = 0: Light is NOT ok
                 * bit5  = 0: PMD Rx signal is NOT ok
                 */
                if (val == 0x639C) {
                        NXGE_FM_REPORT_ERROR(nxgep, portn, NULL,
                            NXGE_FM_EREPORT_XFP_ERR);
                        if (DDI_FM_EREPORT_CAP(nxgep->fm_capabilities)) {
                                NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
                                    "XFP is bad or absent on port<%d>\n",
                                    portn));
                        }
                        status = NXGE_ERROR;
                }
#endif
        }
        NXGE_DEBUG_MSG((nxgep, INT_CTL, "<== nxge_check_xaui_xfp"));
        return (status);
}


/* ARGSUSED */
uint_t
nxge_syserr_intr(void *arg1, void *arg2)
{
        p_nxge_ldv_t ldvp = (p_nxge_ldv_t)arg1;
        p_nxge_t nxgep = (p_nxge_t)arg2;
        p_nxge_ldg_t ldgp = NULL;
        npi_handle_t handle;
        sys_err_stat_t estat;
        uint_t serviced = DDI_INTR_UNCLAIMED;

        if (arg1 == NULL && arg2 == NULL) {
                return (serviced);
        }
        if (arg2 == NULL || ((ldvp != NULL && (void *) ldvp->nxgep != arg2))) {
                if (ldvp != NULL) {
                        nxgep = ldvp->nxgep;
                }
        }
        NXGE_DEBUG_MSG((nxgep, SYSERR_CTL,
            "==> nxge_syserr_intr: arg2 $%p arg1 $%p", nxgep, ldvp));
        if (ldvp != NULL && ldvp->use_timer == B_FALSE) {
                ldgp = ldvp->ldgp;
                if (ldgp == NULL) {
                        NXGE_ERROR_MSG((nxgep, SYSERR_CTL,
                            "<== nxge_syserrintr(no logical group): "
                            "arg2 $%p arg1 $%p", nxgep, ldvp));
                        return (DDI_INTR_UNCLAIMED);
                }
                /*
                 * Get the logical device state if the function uses interrupt.
                 */
        }

        /* This interrupt handler is for system error interrupts.  */
        handle = NXGE_DEV_NPI_HANDLE(nxgep);
        estat.value = 0;
        (void) npi_fzc_sys_err_stat_get(handle, &estat);
        NXGE_DEBUG_MSG((nxgep, SYSERR_CTL,
            "==> nxge_syserr_intr: device error 0x%016llx", estat.value));

        if (estat.bits.ldw.smx) {
                /* SMX */
                NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
                    "==> nxge_syserr_intr: device error - SMX"));
        } else if (estat.bits.ldw.mac) {
                NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
                    "==> nxge_syserr_intr: device error - MAC"));
                /*
                 * There is nothing to be done here. All MAC errors go to per
                 * MAC port interrupt. MIF interrupt is the only MAC sub-block
                 * that can generate status here. MIF status reported will be
                 * ignored here. It is checked by per port timer instead.
                 */
        } else if (estat.bits.ldw.ipp) {
                NXGE_DEBUG_MSG((nxgep, NXGE_ERR_CTL,
                    "==> nxge_syserr_intr: device error - IPP"));
                (void) nxge_ipp_handle_sys_errors(nxgep);
        } else if (estat.bits.ldw.zcp) {
                /* ZCP */
                NXGE_DEBUG_MSG((nxgep, NXGE_ERR_CTL,
                    "==> nxge_syserr_intr: device error - ZCP"));
                (void) nxge_zcp_handle_sys_errors(nxgep);
        } else if (estat.bits.ldw.tdmc) {
                /* TDMC */
                NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
                    "==> nxge_syserr_intr: device error - TDMC"));
                /*
                 * There is no TDMC system errors defined in the PRM. All TDMC
                 * channel specific errors are reported on a per channel basis.
                 */
        } else if (estat.bits.ldw.rdmc) {
                /* RDMC */
                NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
                    "==> nxge_syserr_intr: device error - RDMC"));
                (void) nxge_rxdma_handle_sys_errors(nxgep);
        } else if (estat.bits.ldw.txc) {
                NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
                    "==> nxge_syserr_intr: device error - TXC"));
                (void) nxge_txc_handle_sys_errors(nxgep);
        } else if ((nxgep->niu_type != N2_NIU) && estat.bits.ldw.peu) {
                /* PCI-E */
                NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
                    "==> nxge_syserr_intr: device error - PCI-E"));
        } else if (estat.bits.ldw.meta1) {
                /* META1 */
                NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
                    "==> nxge_syserr_intr: device error - META1"));
        } else if (estat.bits.ldw.meta2) {
                /* META2 */
                NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
                    "==> nxge_syserr_intr: device error - META2"));
        } else if (estat.bits.ldw.fflp) {
                /* FFLP */
                NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
                    "==> nxge_syserr_intr: device error - FFLP"));
                (void) nxge_fflp_handle_sys_errors(nxgep);
        }

        /*
         * nxge_check_xaui_xfg checks XAUI for all of the following
         * portmodes, but checks XFP only if portmode == PORT_10G_FIBER.
         */
        if (nxgep->mac.portmode == PORT_10G_FIBER ||
            nxgep->mac.portmode == PORT_10G_COPPER ||
            nxgep->mac.portmode == PORT_10G_TN1010 ||
            nxgep->mac.portmode == PORT_1G_TN1010) {
                if (nxge_check_xaui_xfp(nxgep) != NXGE_OK) {
                        NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
                            "==> nxge_syserr_intr: device error - XAUI"));
                }
        }

        serviced = DDI_INTR_CLAIMED;

        if (ldgp != NULL && ldvp != NULL && ldgp->nldvs == 1 &&
            !ldvp->use_timer) {
                (void) npi_intr_ldg_mgmt_set(handle, ldgp->ldg,
                    B_TRUE, ldgp->ldg_timer);
        }
        NXGE_DEBUG_MSG((nxgep, SYSERR_CTL, "<== nxge_syserr_intr"));
        return (serviced);
}

/* ARGSUSED */
void
nxge_intr_hw_enable(p_nxge_t nxgep)
{
        NXGE_DEBUG_MSG((nxgep, INT_CTL, "==> nxge_intr_hw_enable"));
        (void) nxge_intr_mask_mgmt_set(nxgep, B_TRUE);
        NXGE_DEBUG_MSG((nxgep, INT_CTL, "<== nxge_intr_hw_enable"));
}

/* ARGSUSED */
void
nxge_intr_hw_disable(p_nxge_t nxgep)
{
        NXGE_DEBUG_MSG((nxgep, INT_CTL, "==> nxge_intr_hw_disable"));
        (void) nxge_intr_mask_mgmt_set(nxgep, B_FALSE);
        NXGE_DEBUG_MSG((nxgep, INT_CTL, "<== nxge_intr_hw_disable"));
}

/* ARGSUSED */
void
nxge_rx_hw_blank(void *arg, time_t ticks, uint_t count)
{
        p_nxge_t nxgep = (p_nxge_t)arg;
        uint8_t channel;
        npi_handle_t handle;
        p_nxge_ldgv_t ldgvp;
        p_nxge_ldv_t ldvp;
        int i;

        NXGE_DEBUG_MSG((nxgep, INT_CTL, "==> nxge_rx_hw_blank"));
        handle = NXGE_DEV_NPI_HANDLE(nxgep);

        if ((ldgvp = nxgep->ldgvp) == NULL) {
                NXGE_ERROR_MSG((nxgep, INT_CTL,
                    "<== nxge_rx_hw_blank (not enabled)"));
                return;
        }
        ldvp = nxgep->ldgvp->ldvp;
        if (ldvp == NULL) {
                return;
        }
        for (i = 0; i < ldgvp->nldvs; i++, ldvp++) {
                if (ldvp->is_rxdma) {
                        channel = ldvp->channel;
                        (void) npi_rxdma_cfg_rdc_rcr_threshold(handle,
                            channel, count);
                        (void) npi_rxdma_cfg_rdc_rcr_timeout(handle,
                            channel, ticks);
                }
        }

        NXGE_DEBUG_MSG((nxgep, INT_CTL, "<== nxge_rx_hw_blank"));
}

/* ARGSUSED */
void
nxge_hw_stop(p_nxge_t nxgep)
{
        NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_hw_stop"));

        (void) nxge_tx_mac_disable(nxgep);
        (void) nxge_rx_mac_disable(nxgep);
        (void) nxge_txdma_hw_mode(nxgep, NXGE_DMA_STOP);
        (void) nxge_rxdma_hw_mode(nxgep, NXGE_DMA_STOP);

        NXGE_DEBUG_MSG((nxgep, DDI_CTL, "<== nxge_hw_stop"));
}

/* ARGSUSED */
void
nxge_hw_ioctl(p_nxge_t nxgep, queue_t *wq, mblk_t *mp, struct iocblk *iocp)
{
        int cmd;

        NXGE_DEBUG_MSG((nxgep, IOC_CTL, "==> nxge_hw_ioctl"));

        if (nxgep == NULL) {
                miocnak(wq, mp, 0, EINVAL);
                return;
        }
        iocp->ioc_error = 0;
        cmd = iocp->ioc_cmd;

        switch (cmd) {
        default:
                miocnak(wq, mp, 0, EINVAL);
                return;

        case NXGE_GET_MII:
                nxge_get_mii(nxgep, mp->b_cont);
                miocack(wq, mp, sizeof (uint16_t), 0);
                break;

        case NXGE_PUT_MII:
                nxge_put_mii(nxgep, mp->b_cont);
                miocack(wq, mp, 0, 0);
                break;

        case NXGE_GET64:
                nxge_get64(nxgep, mp->b_cont);
                miocack(wq, mp, sizeof (uint32_t), 0);
                break;

        case NXGE_PUT64:
                nxge_put64(nxgep, mp->b_cont);
                miocack(wq, mp, 0, 0);
                break;

        case NXGE_PUT_TCAM:
                nxge_put_tcam(nxgep, mp->b_cont);
                miocack(wq, mp, 0, 0);
                break;

        case NXGE_GET_TCAM:
                nxge_get_tcam(nxgep, mp->b_cont);
                miocack(wq, mp, 0, 0);
                break;

        case NXGE_TX_REGS_DUMP:
                nxge_txdma_regs_dump_channels(nxgep);
                miocack(wq, mp, 0, 0);
                break;
        case NXGE_RX_REGS_DUMP:
                nxge_rxdma_regs_dump_channels(nxgep);
                miocack(wq, mp, 0, 0);
                break;
        case NXGE_VIR_INT_REGS_DUMP:
        case NXGE_INT_REGS_DUMP:
                nxge_virint_regs_dump(nxgep);
                miocack(wq, mp, 0, 0);
                break;
        case NXGE_RTRACE:
                nxge_rtrace_ioctl(nxgep, wq, mp, iocp);
                break;
        }
}

/* ARGSUSED */
void
nxge_loopback_ioctl(p_nxge_t nxgep, queue_t *wq, mblk_t *mp,
        struct iocblk *iocp)
{
        p_lb_property_t lb_props;

        size_t size;
        int i;

        if (mp->b_cont == NULL) {
                miocnak(wq, mp, 0, EINVAL);
        }
        switch (iocp->ioc_cmd) {
        case LB_GET_MODE:
                NXGE_DEBUG_MSG((nxgep, IOC_CTL, "NXGE_GET_LB_MODE command"));
                if (nxgep != NULL) {
                        *(lb_info_sz_t *)mp->b_cont->b_rptr =
                            nxgep->statsp->port_stats.lb_mode;
                        miocack(wq, mp, sizeof (nxge_lb_t), 0);
                } else {
                        miocnak(wq, mp, 0, EINVAL);
                }
                break;
        case LB_SET_MODE:
                NXGE_DEBUG_MSG((nxgep, IOC_CTL, "NXGE_SET_LB_MODE command"));
                if (iocp->ioc_count != sizeof (uint32_t)) {
                        miocack(wq, mp, 0, 0);
                        break;
                }
                if ((nxgep != NULL) && nxge_set_lb(nxgep, wq, mp->b_cont)) {
                        miocack(wq, mp, 0, 0);
                } else {
                        miocnak(wq, mp, 0, EPROTO);
                }
                break;
        case LB_GET_INFO_SIZE:
                NXGE_DEBUG_MSG((nxgep, IOC_CTL, "LB_GET_INFO_SIZE command"));
                if (nxgep != NULL) {
                        size = sizeof (lb_normal);
                        if (nxgep->statsp->mac_stats.cap_10gfdx) {
                                /* TN1010 does not support external loopback */
                                if (nxgep->mac.portmode != PORT_1G_TN1010 &&
                                    nxgep->mac.portmode != PORT_10G_TN1010) {
                                        size += sizeof (lb_external10g);
                                }
                                size += sizeof (lb_mac10g);
                                /* Publish PHY loopback if PHY is present */
                                if (nxgep->mac.portmode == PORT_10G_COPPER ||
                                    nxgep->mac.portmode == PORT_10G_TN1010 ||
                                    nxgep->mac.portmode == PORT_10G_FIBER)
                                        size += sizeof (lb_phy10g);
                        }

                        /*
                         * Even if cap_10gfdx is false, we still do 10G
                         * serdes loopback as a part of SunVTS xnetlbtest
                         * internal loopback test.
                         */
                        if (nxgep->mac.portmode == PORT_10G_FIBER ||
                            nxgep->mac.portmode == PORT_10G_COPPER ||
                            nxgep->mac.portmode == PORT_10G_TN1010 ||
                            nxgep->mac.portmode == PORT_10G_SERDES)
                                size += sizeof (lb_serdes10g);

                        if (nxgep->statsp->mac_stats.cap_1000fdx) {
                                /* TN1010 does not support external loopback */
                                if (nxgep->mac.portmode != PORT_1G_TN1010 &&
                                    nxgep->mac.portmode != PORT_10G_TN1010) {
                                        size += sizeof (lb_external1000);
                                }
                                size += sizeof (lb_mac1000);
                                if (nxgep->mac.portmode == PORT_1G_COPPER ||
                                    nxgep->mac.portmode == PORT_1G_TN1010 ||
                                    nxgep->mac.portmode ==
                                    PORT_1G_RGMII_FIBER)
                                        size += sizeof (lb_phy1000);
                        }
                        if (nxgep->statsp->mac_stats.cap_100fdx)
                                size += sizeof (lb_external100);
                        if (nxgep->statsp->mac_stats.cap_10fdx)
                                size += sizeof (lb_external10);
                        if (nxgep->mac.portmode == PORT_1G_FIBER ||
                            nxgep->mac.portmode == PORT_1G_TN1010 ||
                            nxgep->mac.portmode == PORT_1G_SERDES)
                                size += sizeof (lb_serdes1000);

                        *(lb_info_sz_t *)mp->b_cont->b_rptr = size;

                        NXGE_DEBUG_MSG((nxgep, IOC_CTL,
                            "NXGE_GET_LB_INFO command: size %d", size));
                        miocack(wq, mp, sizeof (lb_info_sz_t), 0);
                } else
                        miocnak(wq, mp, 0, EINVAL);
                break;

        case LB_GET_INFO:
                NXGE_DEBUG_MSG((nxgep, IOC_CTL, "NXGE_GET_LB_INFO command"));
                if (nxgep != NULL) {
                        size = sizeof (lb_normal);
                        if (nxgep->statsp->mac_stats.cap_10gfdx) {
                                /* TN1010 does not support external loopback */
                                if (nxgep->mac.portmode != PORT_1G_TN1010 &&
                                    nxgep->mac.portmode != PORT_10G_TN1010) {
                                        size += sizeof (lb_external10g);
                                }
                                size += sizeof (lb_mac10g);
                                /* Publish PHY loopback if PHY is present */
                                if (nxgep->mac.portmode == PORT_10G_COPPER ||
                                    nxgep->mac.portmode == PORT_10G_TN1010 ||
                                    nxgep->mac.portmode == PORT_10G_FIBER)
                                        size += sizeof (lb_phy10g);
                        }
                        if (nxgep->mac.portmode == PORT_10G_FIBER ||
                            nxgep->mac.portmode == PORT_10G_COPPER ||
                            nxgep->mac.portmode == PORT_10G_TN1010 ||
                            nxgep->mac.portmode == PORT_10G_SERDES)
                                size += sizeof (lb_serdes10g);

                        if (nxgep->statsp->mac_stats.cap_1000fdx) {
                                /* TN1010 does not support external loopback */
                                if (nxgep->mac.portmode != PORT_1G_TN1010 &&
                                    nxgep->mac.portmode != PORT_10G_TN1010) {
                                        size += sizeof (lb_external1000);
                                }
                                size += sizeof (lb_mac1000);
                                if (nxgep->mac.portmode == PORT_1G_COPPER ||
                                    nxgep->mac.portmode == PORT_1G_TN1010 ||
                                    nxgep->mac.portmode ==
                                    PORT_1G_RGMII_FIBER)
                                        size += sizeof (lb_phy1000);
                        }
                        if (nxgep->statsp->mac_stats.cap_100fdx)
                                size += sizeof (lb_external100);

                        if (nxgep->statsp->mac_stats.cap_10fdx)
                                size += sizeof (lb_external10);

                        if (nxgep->mac.portmode == PORT_1G_FIBER ||
                            nxgep->mac.portmode == PORT_1G_TN1010 ||
                            nxgep->mac.portmode == PORT_1G_SERDES)
                                size += sizeof (lb_serdes1000);

                        NXGE_DEBUG_MSG((nxgep, IOC_CTL,
                            "NXGE_GET_LB_INFO command: size %d", size));
                        if (size == iocp->ioc_count) {
                                i = 0;
                                lb_props = (p_lb_property_t)mp->b_cont->b_rptr;
                                lb_props[i++] = lb_normal;

                                if (nxgep->statsp->mac_stats.cap_10gfdx) {
                                        lb_props[i++] = lb_mac10g;
                                        if (nxgep->mac.portmode ==
                                            PORT_10G_COPPER ||
                                            nxgep->mac.portmode ==
                                            PORT_10G_TN1010 ||
                                            nxgep->mac.portmode ==
                                            PORT_10G_FIBER) {
                                                lb_props[i++] = lb_phy10g;
                                        }
                                        /* TN1010 does not support ext lb */
                                        if (nxgep->mac.portmode !=
                                            PORT_10G_TN1010 &&
                                            nxgep->mac.portmode !=
                                            PORT_1G_TN1010) {
                                                lb_props[i++] = lb_external10g;
                                        }
                                }

                                if (nxgep->mac.portmode == PORT_10G_FIBER ||
                                    nxgep->mac.portmode == PORT_10G_COPPER ||
                                    nxgep->mac.portmode == PORT_10G_TN1010 ||
                                    nxgep->mac.portmode == PORT_10G_SERDES)
                                        lb_props[i++] = lb_serdes10g;

                                if (nxgep->statsp->mac_stats.cap_1000fdx) {
                                        /* TN1010 does not support ext lb */
                                        if (nxgep->mac.portmode !=
                                            PORT_10G_TN1010 &&
                                            nxgep->mac.portmode !=
                                            PORT_1G_TN1010) {
                                                lb_props[i++] = lb_external1000;
                                        }
                                }

                                if (nxgep->statsp->mac_stats.cap_100fdx)
                                        lb_props[i++] = lb_external100;

                                if (nxgep->statsp->mac_stats.cap_10fdx)
                                        lb_props[i++] = lb_external10;

                                if (nxgep->statsp->mac_stats.cap_1000fdx)
                                        lb_props[i++] = lb_mac1000;

                                if (nxgep->mac.portmode == PORT_1G_COPPER ||
                                    nxgep->mac.portmode == PORT_1G_TN1010 ||
                                    nxgep->mac.portmode ==
                                    PORT_1G_RGMII_FIBER) {
                                        if (nxgep->statsp->mac_stats.
                                            cap_1000fdx)
                                                lb_props[i++] = lb_phy1000;
                                } else if (nxgep->mac.portmode ==
                                    PORT_1G_FIBER ||
                                    nxgep->mac.portmode == PORT_1G_TN1010 ||
                                    nxgep->mac.portmode == PORT_1G_SERDES) {
                                        lb_props[i++] = lb_serdes1000;
                                }
                                miocack(wq, mp, size, 0);
                        } else
                                miocnak(wq, mp, 0, EINVAL);
                } else {
                        miocnak(wq, mp, 0, EINVAL);
                        cmn_err(CE_NOTE, "!nxge_hw_ioctl: invalid command 0x%x",
                            iocp->ioc_cmd);
                }
                break;
        }
}

/*
 * DMA channel interfaces to access various channel specific
 * hardware functions.
 */
/* ARGSUSED */
void
nxge_rxdma_channel_put64(nxge_os_acc_handle_t handle, void *reg_addrp,
        uint32_t reg_base, uint16_t channel, uint64_t reg_data)
{
        uint64_t reg_offset;

        NXGE_DEBUG_MSG((NULL, DMA_CTL, "<== nxge_rxdma_channel_put64"));

        /*
         * Channel is assumed to be from 0 to the maximum DMA channel #. If we
         * use the virtual DMA CSR address space from the config space (in PCI
         * case), then the following code need to be use different offset
         * computation macro.
         */
        reg_offset = reg_base + DMC_OFFSET(channel);
        NXGE_PIO_WRITE64(handle, reg_addrp, reg_offset, reg_data);

        NXGE_DEBUG_MSG((NULL, DMA_CTL, "<== nxge_rxdma_channel_put64"));
}

/* ARGSUSED */
uint64_t
nxge_rxdma_channel_get64(nxge_os_acc_handle_t handle, void *reg_addrp,
        uint32_t reg_base, uint16_t channel)
{
        uint64_t reg_offset;

        NXGE_DEBUG_MSG((NULL, DMA_CTL, "<== nxge_rxdma_channel_get64"));

        /*
         * Channel is assumed to be from 0 to the maximum DMA channel #. If we
         * use the virtual DMA CSR address space from the config space (in PCI
         * case), then the following code need to be use different offset
         * computation macro.
         */
        reg_offset = reg_base + DMC_OFFSET(channel);

        NXGE_DEBUG_MSG((NULL, DMA_CTL, "<== nxge_rxdma_channel_get64"));

        return (NXGE_PIO_READ64(handle, reg_addrp, reg_offset));
}

/* ARGSUSED */
void
nxge_get32(p_nxge_t nxgep, p_mblk_t mp)
{
        nxge_os_acc_handle_t nxge_regh;

        NXGE_DEBUG_MSG((nxgep, IOC_CTL, "nxge_get32"));
        nxge_regh = nxgep->dev_regs->nxge_regh;

        *(uint32_t *)mp->b_rptr = NXGE_PIO_READ32(nxge_regh,
            nxgep->dev_regs->nxge_regp, *(uint32_t *)mp->b_rptr);

        NXGE_DEBUG_MSG((nxgep, IOC_CTL, "value = 0x%08X",
            *(uint32_t *)mp->b_rptr));
        NXGE_DEBUG_MSG((nxgep, IOC_CTL, "nxge_get32"));
}

/* ARGSUSED */
void
nxge_put32(p_nxge_t nxgep, p_mblk_t mp)
{
        nxge_os_acc_handle_t nxge_regh;
        uint32_t *buf;
        uint8_t *reg;

        NXGE_DEBUG_MSG((nxgep, IOC_CTL, "nxge_put32"));
        nxge_regh = nxgep->dev_regs->nxge_regh;

        buf = (uint32_t *)mp->b_rptr;
        reg = (uint8_t *)(nxgep->dev_regs->nxge_regp) + buf[0];
        NXGE_DEBUG_MSG((nxgep, IOC_CTL,
            "reg = 0x%016llX index = 0x%08X value = 0x%08X",
            reg, buf[0], buf[1]));
        NXGE_PIO_WRITE32(nxge_regh, (uint32_t *)reg, 0, buf[1]);
        NXGE_DEBUG_MSG((nxgep, IOC_CTL, "nxge_put32"));
}

/*ARGSUSED*/
boolean_t
nxge_set_lb(p_nxge_t nxgep, queue_t *wq, p_mblk_t mp)
{
        boolean_t status = B_TRUE;
        uint32_t lb_mode;
        lb_property_t *lb_info;

        NXGE_DEBUG_MSG((nxgep, IOC_CTL, "<== nxge_set_lb"));
        lb_mode = nxgep->statsp->port_stats.lb_mode;
        if (lb_mode == *(uint32_t *)mp->b_rptr) {
                cmn_err(CE_NOTE,
                    "!nxge%d: Loopback mode already set (lb_mode %d).\n",
                    nxgep->instance, lb_mode);
                status = B_FALSE;
                goto nxge_set_lb_exit;
        }
        lb_mode = *(uint32_t *)mp->b_rptr;
        lb_info = NULL;
        if (lb_mode == lb_normal.value)
                lb_info = &lb_normal;
        else if ((lb_mode == lb_external10g.value) &&
            (nxgep->statsp->mac_stats.cap_10gfdx))
                lb_info = &lb_external10g;
        else if ((lb_mode == lb_external1000.value) &&
            (nxgep->statsp->mac_stats.cap_1000fdx))
                lb_info = &lb_external1000;
        else if ((lb_mode == lb_external100.value) &&
            (nxgep->statsp->mac_stats.cap_100fdx))
                lb_info = &lb_external100;
        else if ((lb_mode == lb_external10.value) &&
            (nxgep->statsp->mac_stats.cap_10fdx))
                lb_info = &lb_external10;
        else if ((lb_mode == lb_phy10g.value) &&
            (nxgep->mac.portmode == PORT_10G_COPPER ||
            nxgep->mac.portmode == PORT_10G_TN1010 ||
            nxgep->mac.portmode == PORT_10G_FIBER))
                lb_info = &lb_phy10g;
        else if ((lb_mode == lb_phy1000.value) &&
            (nxgep->mac.portmode == PORT_1G_COPPER ||
            nxgep->mac.portmode == PORT_1G_TN1010 ||
            nxgep->mac.portmode == PORT_1G_RGMII_FIBER))
                lb_info = &lb_phy1000;
        else if ((lb_mode == lb_phy.value) &&
            (nxgep->mac.portmode == PORT_1G_COPPER))
                lb_info = &lb_phy;
        else if ((lb_mode == lb_serdes10g.value) &&
            (nxgep->mac.portmode == PORT_10G_FIBER ||
            nxgep->mac.portmode == PORT_10G_COPPER ||
            nxgep->mac.portmode == PORT_10G_TN1010 ||
            nxgep->mac.portmode == PORT_10G_SERDES))
                lb_info = &lb_serdes10g;
        else if ((lb_mode == lb_serdes1000.value) &&
            (nxgep->mac.portmode == PORT_1G_FIBER ||
            nxgep->mac.portmode == PORT_1G_TN1010 ||
            nxgep->mac.portmode == PORT_1G_SERDES))
                lb_info = &lb_serdes1000;
        else if (lb_mode == lb_mac10g.value)
                lb_info = &lb_mac10g;
        else if (lb_mode == lb_mac1000.value)
                lb_info = &lb_mac1000;
        else if (lb_mode == lb_mac.value)
                lb_info = &lb_mac;
        else {
                cmn_err(CE_NOTE,
                    "!nxge%d: Loopback mode not supported(mode %d).\n",
                    nxgep->instance, lb_mode);
                status = B_FALSE;
                goto nxge_set_lb_exit;
        }

        if (lb_mode == nxge_lb_normal) {
                if (nxge_lb_dbg) {
                        cmn_err(CE_NOTE,
                            "!nxge%d: Returning to normal operation",
                            nxgep->instance);
                }
                if (nxge_set_lb_normal(nxgep) != NXGE_OK) {
                        status = B_FALSE;
                        cmn_err(CE_NOTE,
                            "!nxge%d: Failed to return to normal operation",
                            nxgep->instance);
                }
                goto nxge_set_lb_exit;
        }
        nxgep->statsp->port_stats.lb_mode = lb_mode;

        if (nxge_lb_dbg)
                cmn_err(CE_NOTE,
                    "!nxge%d: Adapter now in %s loopback mode",
                    nxgep->instance, lb_info->key);
        nxgep->param_arr[param_autoneg].value = 0;
        nxgep->param_arr[param_anar_10gfdx].value =
            (nxgep->statsp->port_stats.lb_mode == nxge_lb_ext10g) ||
            (nxgep->statsp->port_stats.lb_mode == nxge_lb_mac10g) ||
            (nxgep->statsp->port_stats.lb_mode == nxge_lb_phy10g) ||
            (nxgep->statsp->port_stats.lb_mode == nxge_lb_serdes10g);
        nxgep->param_arr[param_anar_10ghdx].value = 0;
        nxgep->param_arr[param_anar_1000fdx].value =
            (nxgep->statsp->port_stats.lb_mode == nxge_lb_ext1000) ||
            (nxgep->statsp->port_stats.lb_mode == nxge_lb_mac1000) ||
            (nxgep->statsp->port_stats.lb_mode == nxge_lb_phy1000) ||
            (nxgep->statsp->port_stats.lb_mode == nxge_lb_serdes1000);
        nxgep->param_arr[param_anar_1000hdx].value = 0;
        nxgep->param_arr[param_anar_100fdx].value =
            (nxgep->statsp->port_stats.lb_mode == nxge_lb_phy) ||
            (nxgep->statsp->port_stats.lb_mode == nxge_lb_mac) ||
            (nxgep->statsp->port_stats.lb_mode == nxge_lb_ext100);
        nxgep->param_arr[param_anar_100hdx].value = 0;
        nxgep->param_arr[param_anar_10fdx].value =
            (nxgep->statsp->port_stats.lb_mode == nxge_lb_mac) ||
            (nxgep->statsp->port_stats.lb_mode == nxge_lb_ext10);
        if (nxgep->statsp->port_stats.lb_mode == nxge_lb_ext1000) {
                nxgep->param_arr[param_master_cfg_enable].value = 1;
                nxgep->param_arr[param_master_cfg_value].value = 1;
        }
        if ((nxgep->statsp->port_stats.lb_mode == nxge_lb_ext10g) ||
            (nxgep->statsp->port_stats.lb_mode == nxge_lb_ext1000) ||
            (nxgep->statsp->port_stats.lb_mode == nxge_lb_ext100) ||
            (nxgep->statsp->port_stats.lb_mode == nxge_lb_ext10) ||
            (nxgep->statsp->port_stats.lb_mode == nxge_lb_phy10g) ||
            (nxgep->statsp->port_stats.lb_mode == nxge_lb_phy1000) ||
            (nxgep->statsp->port_stats.lb_mode == nxge_lb_phy)) {

                if (nxge_link_monitor(nxgep, LINK_MONITOR_STOP) != NXGE_OK)
                        goto nxge_set_lb_err;
                if (nxge_xcvr_find(nxgep) != NXGE_OK)
                        goto nxge_set_lb_err;
                if (nxge_link_init(nxgep) != NXGE_OK)
                        goto nxge_set_lb_err;
                if (nxge_link_monitor(nxgep, LINK_MONITOR_START) != NXGE_OK)
                        goto nxge_set_lb_err;
        }
        if (lb_info->lb_type == internal) {
                if ((nxgep->statsp->port_stats.lb_mode == nxge_lb_mac10g) ||
                    (nxgep->statsp->port_stats.lb_mode ==
                    nxge_lb_phy10g) ||
                    (nxgep->statsp->port_stats.lb_mode ==
                    nxge_lb_serdes10g)) {
                        nxgep->statsp->mac_stats.link_speed = 10000;
                } else if ((nxgep->statsp->port_stats.lb_mode
                    == nxge_lb_mac1000) ||
                    (nxgep->statsp->port_stats.lb_mode ==
                    nxge_lb_phy1000) ||
                    (nxgep->statsp->port_stats.lb_mode ==
                    nxge_lb_serdes1000)) {
                        nxgep->statsp->mac_stats.link_speed = 1000;
                } else {
                        nxgep->statsp->mac_stats.link_speed = 100;
                }
                nxgep->statsp->mac_stats.link_duplex = 2;
                nxgep->statsp->mac_stats.link_up = 1;
        }
        if (nxge_global_reset(nxgep) != NXGE_OK)
                goto nxge_set_lb_err;

nxge_set_lb_exit:
        NXGE_DEBUG_MSG((nxgep, DDI_CTL,
            "<== nxge_set_lb status = 0x%08x", status));
        return (status);
nxge_set_lb_err:
        status = B_FALSE;
        cmn_err(CE_NOTE,
            "!nxge%d: Failed to put adapter in %s loopback mode",
            nxgep->instance, lb_info->key);
        return (status);
}

/* Return to normal (no loopback) mode */
/* ARGSUSED */
nxge_status_t
nxge_set_lb_normal(p_nxge_t nxgep)
{
        nxge_status_t   status = NXGE_OK;

        NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_set_lb_normal"));

        nxgep->statsp->port_stats.lb_mode = nxge_lb_normal;
        nxgep->param_arr[param_autoneg].value =
            nxgep->param_arr[param_autoneg].old_value;
        nxgep->param_arr[param_anar_1000fdx].value =
            nxgep->param_arr[param_anar_1000fdx].old_value;
        nxgep->param_arr[param_anar_1000hdx].value =
            nxgep->param_arr[param_anar_1000hdx].old_value;
        nxgep->param_arr[param_anar_100fdx].value =
            nxgep->param_arr[param_anar_100fdx].old_value;
        nxgep->param_arr[param_anar_100hdx].value =
            nxgep->param_arr[param_anar_100hdx].old_value;
        nxgep->param_arr[param_anar_10fdx].value =
            nxgep->param_arr[param_anar_10fdx].old_value;
        nxgep->param_arr[param_master_cfg_enable].value =
            nxgep->param_arr[param_master_cfg_enable].old_value;
        nxgep->param_arr[param_master_cfg_value].value =
            nxgep->param_arr[param_master_cfg_value].old_value;

        if ((status = nxge_global_reset(nxgep)) != NXGE_OK)
                return (status);

        if ((status = nxge_link_monitor(nxgep, LINK_MONITOR_STOP)) != NXGE_OK)
                return (status);
        if ((status = nxge_xcvr_find(nxgep)) != NXGE_OK)
                return (status);
        if ((status = nxge_link_init(nxgep)) != NXGE_OK)
                return (status);
        status = nxge_link_monitor(nxgep, LINK_MONITOR_START);

        NXGE_DEBUG_MSG((nxgep, DDI_CTL, "<== nxge_set_lb_normal"));

        return (status);
}

/* ARGSUSED */
void
nxge_get_mii(p_nxge_t nxgep, p_mblk_t mp)
{
        uint16_t reg;

        NXGE_DEBUG_MSG((nxgep, IOC_CTL, "==> nxge_get_mii"));

        reg = *(uint16_t *)mp->b_rptr;
        (void) nxge_mii_read(nxgep, nxgep->statsp->mac_stats.xcvr_portn, reg,
            (uint16_t *)mp->b_rptr);
        NXGE_DEBUG_MSG((nxgep, IOC_CTL, "reg = 0x%08X value = 0x%04X",
            reg, *(uint16_t *)mp->b_rptr));
        NXGE_DEBUG_MSG((nxgep, IOC_CTL, "<== nxge_get_mii"));
}

/* ARGSUSED */
void
nxge_put_mii(p_nxge_t nxgep, p_mblk_t mp)
{
        uint16_t *buf;
        uint8_t reg;

        NXGE_DEBUG_MSG((nxgep, IOC_CTL, "==> nxge_put_mii"));
        buf = (uint16_t *)mp->b_rptr;
        reg = (uint8_t)buf[0];
        NXGE_DEBUG_MSG((nxgep, IOC_CTL,
            "reg = 0x%08X index = 0x%08X value = 0x%08X",
            reg, buf[0], buf[1]));
        (void) nxge_mii_write(nxgep, nxgep->statsp->mac_stats.xcvr_portn,
            reg, buf[1]);
        NXGE_DEBUG_MSG((nxgep, IOC_CTL, "<== nxge_put_mii"));
}

/* ARGSUSED */
void
nxge_check_hw_state(p_nxge_t nxgep)
{
        p_nxge_ldgv_t ldgvp;
        p_nxge_ldv_t t_ldvp;

        NXGE_DEBUG_MSG((nxgep, SYSERR_CTL, "==> nxge_check_hw_state"));

        MUTEX_ENTER(nxgep->genlock);
        nxgep->nxge_timerid = 0;
        if (!(nxgep->drv_state & STATE_HW_INITIALIZED)) {
                goto nxge_check_hw_state_exit;
        }
        nxge_check_tx_hang(nxgep);

        ldgvp = nxgep->ldgvp;
        if (ldgvp == NULL || (ldgvp->ldvp_syserr == NULL)) {
                NXGE_ERROR_MSG((nxgep, SYSERR_CTL, "<== nxge_check_hw_state: "
                    "NULL ldgvp (interrupt not ready)."));
                goto nxge_check_hw_state_exit;
        }
        t_ldvp = ldgvp->ldvp_syserr;
        if (!t_ldvp->use_timer) {
                NXGE_DEBUG_MSG((nxgep, SYSERR_CTL, "<== nxge_check_hw_state: "
                    "ldgvp $%p t_ldvp $%p use_timer flag %d",
                    ldgvp, t_ldvp, t_ldvp->use_timer));
                goto nxge_check_hw_state_exit;
        }
        if (fm_check_acc_handle(nxgep->dev_regs->nxge_regh) != DDI_FM_OK) {
                NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
                    "port%d Bad register acc handle", nxgep->mac.portnum));
        }
        (void) nxge_syserr_intr((void *) t_ldvp, (void *) nxgep);

        nxgep->nxge_timerid = nxge_start_timer(nxgep, nxge_check_hw_state,
            NXGE_CHECK_TIMER);

nxge_check_hw_state_exit:
        MUTEX_EXIT(nxgep->genlock);
        NXGE_DEBUG_MSG((nxgep, SYSERR_CTL, "<== nxge_check_hw_state"));
}

/*ARGSUSED*/
static void
nxge_rtrace_ioctl(p_nxge_t nxgep, queue_t *wq, mblk_t *mp,
        struct iocblk *iocp)
{
        ssize_t size;
        rtrace_t *rtp;
        mblk_t *nmp;
        uint32_t i, j;
        uint32_t start_blk;
        uint32_t base_entry;
        uint32_t num_entries;

        NXGE_DEBUG_MSG((nxgep, STR_CTL, "==> nxge_rtrace_ioctl"));

        size = 1024;
        if (mp->b_cont == NULL || MBLKL(mp->b_cont) < size) {
                NXGE_DEBUG_MSG((nxgep, STR_CTL,
                    "malformed M_IOCTL MBLKL = %d size = %d",
                    MBLKL(mp->b_cont), size));
                miocnak(wq, mp, 0, EINVAL);
                return;
        }
        nmp = mp->b_cont;
        rtp = (rtrace_t *)nmp->b_rptr;
        start_blk = rtp->next_idx;
        num_entries = rtp->last_idx;
        base_entry = start_blk * MAX_RTRACE_IOC_ENTRIES;

        NXGE_DEBUG_MSG((nxgep, STR_CTL, "start_blk = %d\n", start_blk));
        NXGE_DEBUG_MSG((nxgep, STR_CTL, "num_entries = %d\n", num_entries));
        NXGE_DEBUG_MSG((nxgep, STR_CTL, "base_entry = %d\n", base_entry));

        rtp->next_idx = npi_rtracebuf.next_idx;
        rtp->last_idx = npi_rtracebuf.last_idx;
        rtp->wrapped = npi_rtracebuf.wrapped;
        for (i = 0, j = base_entry; i < num_entries; i++, j++) {
                rtp->buf[i].ctl_addr = npi_rtracebuf.buf[j].ctl_addr;
                rtp->buf[i].val_l32 = npi_rtracebuf.buf[j].val_l32;
                rtp->buf[i].val_h32 = npi_rtracebuf.buf[j].val_h32;
        }

        nmp->b_wptr = nmp->b_rptr + size;
        NXGE_DEBUG_MSG((nxgep, STR_CTL, "<== nxge_rtrace_ioctl"));
        miocack(wq, mp, (int)size, 0);
}