root/usr/src/uts/common/io/ixgbe/ixgbe_gld.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(c) 2007-2010 Intel Corporation. All rights reserved.
 */

/*
 * Copyright (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved.
 * Copyright 2012 Nexenta Systems, Inc. All rights reserved.
 * Copyright 2016 OmniTI Computer Consulting, Inc. All rights reserved.
 * Copyright (c) 2019, Joyent, Inc.
 * Copyright 2026 Oxide Computer Company
 */

#include "ixgbe_sw.h"

/*
 * Bring the device out of the reset/quiesced state that it
 * was in when the interface was registered.
 */
int
ixgbe_m_start(void *arg)
{
        ixgbe_t *ixgbe = (ixgbe_t *)arg;

        mutex_enter(&ixgbe->gen_lock);

        if (ixgbe->ixgbe_state & IXGBE_SUSPENDED) {
                mutex_exit(&ixgbe->gen_lock);
                return (ECANCELED);
        }

        if (ixgbe_start(ixgbe, B_TRUE) != IXGBE_SUCCESS) {
                mutex_exit(&ixgbe->gen_lock);
                return (EIO);
        }

        atomic_or_32(&ixgbe->ixgbe_state, IXGBE_STARTED);

        mutex_exit(&ixgbe->gen_lock);

        /*
         * Enable and start the watchdog timer
         */
        ixgbe_enable_watchdog_timer(ixgbe);

        return (0);
}

/*
 * Stop the device and put it in a reset/quiesced state such
 * that the interface can be unregistered.
 */
void
ixgbe_m_stop(void *arg)
{
        ixgbe_t *ixgbe = (ixgbe_t *)arg;

        mutex_enter(&ixgbe->gen_lock);

        if (ixgbe->ixgbe_state & IXGBE_SUSPENDED) {
                mutex_exit(&ixgbe->gen_lock);
                return;
        }

        atomic_and_32(&ixgbe->ixgbe_state, ~IXGBE_STARTED);

        ixgbe_stop(ixgbe, B_TRUE);

        mutex_exit(&ixgbe->gen_lock);

        /*
         * Disable and stop the watchdog timer
         */
        ixgbe_disable_watchdog_timer(ixgbe);
}

/*
 * Set the promiscuity of the device.
 */
int
ixgbe_m_promisc(void *arg, boolean_t on)
{
        ixgbe_t *ixgbe = (ixgbe_t *)arg;
        uint32_t reg_val;
        struct ixgbe_hw *hw = &ixgbe->hw;

        mutex_enter(&ixgbe->gen_lock);

        if (ixgbe->ixgbe_state & IXGBE_SUSPENDED) {
                mutex_exit(&ixgbe->gen_lock);
                return (ECANCELED);
        }
        reg_val = IXGBE_READ_REG(hw, IXGBE_FCTRL);

        if (on)
                reg_val |= (IXGBE_FCTRL_UPE | IXGBE_FCTRL_MPE);
        else
                reg_val &= (~(IXGBE_FCTRL_UPE | IXGBE_FCTRL_MPE));

        IXGBE_WRITE_REG(&ixgbe->hw, IXGBE_FCTRL, reg_val);

        mutex_exit(&ixgbe->gen_lock);

        return (0);
}

/*
 * Add/remove the addresses to/from the set of multicast
 * addresses for which the device will receive packets.
 */
int
ixgbe_m_multicst(void *arg, boolean_t add, const uint8_t *mcst_addr)
{
        ixgbe_t *ixgbe = (ixgbe_t *)arg;
        int result;

        mutex_enter(&ixgbe->gen_lock);

        if (ixgbe->ixgbe_state & IXGBE_SUSPENDED) {
                mutex_exit(&ixgbe->gen_lock);
                return (ECANCELED);
        }

        result = (add) ? ixgbe_multicst_add(ixgbe, mcst_addr)
            : ixgbe_multicst_remove(ixgbe, mcst_addr);

        mutex_exit(&ixgbe->gen_lock);

        return (result);
}

/*
 * Pass on M_IOCTL messages passed to the DLD, and support
 * private IOCTLs for debugging and ndd.
 */
void
ixgbe_m_ioctl(void *arg, queue_t *q, mblk_t *mp)
{
        ixgbe_t *ixgbe = (ixgbe_t *)arg;
        struct iocblk *iocp;
        enum ioc_reply status;

        iocp = (struct iocblk *)(uintptr_t)mp->b_rptr;
        iocp->ioc_error = 0;

        mutex_enter(&ixgbe->gen_lock);
        if (ixgbe->ixgbe_state & IXGBE_SUSPENDED) {
                mutex_exit(&ixgbe->gen_lock);
                miocnak(q, mp, 0, EINVAL);
                return;
        }
        mutex_exit(&ixgbe->gen_lock);

        switch (iocp->ioc_cmd) {
        case LB_GET_INFO_SIZE:
        case LB_GET_INFO:
        case LB_GET_MODE:
        case LB_SET_MODE:
                status = ixgbe_loopback_ioctl(ixgbe, iocp, mp);
                break;

        default:
                status = IOC_INVAL;
                break;
        }

        /*
         * Decide how to reply
         */
        switch (status) {
        default:
        case IOC_INVAL:
                /*
                 * Error, reply with a NAK and EINVAL or the specified error
                 */
                miocnak(q, mp, 0, iocp->ioc_error == 0 ?
                    EINVAL : iocp->ioc_error);
                break;

        case IOC_DONE:
                /*
                 * OK, reply already sent
                 */
                break;

        case IOC_ACK:
                /*
                 * OK, reply with an ACK
                 */
                miocack(q, mp, 0, 0);
                break;

        case IOC_REPLY:
                /*
                 * OK, send prepared reply as ACK or NAK
                 */
                mp->b_datap->db_type = iocp->ioc_error == 0 ?
                    M_IOCACK : M_IOCNAK;
                qreply(q, mp);
                break;
        }
}

static int
ixgbe_led_set(void *arg, mac_led_mode_t mode, uint_t flags)
{
        ixgbe_t *ixgbe = arg;
        struct ixgbe_hw *hw = &ixgbe->hw;
        uint32_t lidx = ixgbe->ixgbe_led_index;

        if (flags != 0)
                return (EINVAL);

        if (mode != MAC_LED_DEFAULT &&
            mode != MAC_LED_IDENT &&
            mode != MAC_LED_OFF &&
            mode != MAC_LED_ON)
                return (ENOTSUP);

        if (ixgbe->ixgbe_led_blink && mode != MAC_LED_IDENT) {
                if (ixgbe_blink_led_stop(hw, lidx) != IXGBE_SUCCESS) {
                        return (EIO);
                }
                ixgbe->ixgbe_led_blink = B_FALSE;
        }

        if (mode != MAC_LED_DEFAULT && !ixgbe->ixgbe_led_active) {
                ixgbe->ixgbe_led_reg = IXGBE_READ_REG(hw, IXGBE_LEDCTL);
                ixgbe->ixgbe_led_active = B_TRUE;
        }

        switch (mode) {
        case MAC_LED_DEFAULT:
                if (ixgbe->ixgbe_led_active) {
                        IXGBE_WRITE_REG(hw, IXGBE_LEDCTL, ixgbe->ixgbe_led_reg);
                        ixgbe->ixgbe_led_active = B_FALSE;
                }
                break;
        case MAC_LED_IDENT:
                if (ixgbe_blink_led_start(hw, lidx) != IXGBE_SUCCESS)
                        return (EIO);
                ixgbe->ixgbe_led_blink = B_TRUE;
                break;
        case MAC_LED_OFF:
                if (ixgbe_led_off(hw, lidx) != IXGBE_SUCCESS)
                        return (EIO);
                break;
        case MAC_LED_ON:
                if (ixgbe_led_on(hw, lidx) != IXGBE_SUCCESS)
                        return (EIO);
                break;
        default:
                return (ENOTSUP);
        }

        return (0);
}

static int
ixgbe_led_set_e610(void *arg, mac_led_mode_t mode, uint_t flags)
{
        ixgbe_t *ixgbe = arg;
        struct ixgbe_hw *hw = &ixgbe->hw;

        if (flags != 0)
                return (EINVAL);

        if (mode != MAC_LED_DEFAULT &&
            mode != MAC_LED_IDENT)
                return (ENOTSUP);

        bool orig = mode == MAC_LED_DEFAULT;
        if (ixgbe_aci_set_port_id_led(hw, orig) != IXGBE_SUCCESS) {
                return (EIO);
        }

        return (0);
}


/*
 * Obtain the MAC's capabilities and associated data from
 * the driver.
 */
boolean_t
ixgbe_m_getcapab(void *arg, mac_capab_t cap, void *cap_data)
{
        ixgbe_t *ixgbe = (ixgbe_t *)arg;

        switch (cap) {
        case MAC_CAPAB_HCKSUM: {
                uint32_t *tx_hcksum_flags = cap_data;

                /*
                 * We advertise our capabilities only if tx hcksum offload is
                 * enabled.  On receive, the stack will accept checksummed
                 * packets anyway, even if we haven't said we can deliver
                 * them.
                 */
                if (!ixgbe->tx_hcksum_enable)
                        return (B_FALSE);

                *tx_hcksum_flags = HCKSUM_INET_PARTIAL | HCKSUM_IPHDRCKSUM;
                break;
        }
        case MAC_CAPAB_LSO: {
                mac_capab_lso_t *cap_lso = cap_data;

                if (ixgbe->lso_enable) {
                        cap_lso->lso_flags = LSO_TX_BASIC_TCP_IPV4 |
                            LSO_TX_BASIC_TCP_IPV6;
                        cap_lso->lso_basic_tcp_ipv4.lso_max = IXGBE_LSO_MAXLEN;
                        cap_lso->lso_basic_tcp_ipv6.lso_max = IXGBE_LSO_MAXLEN;
                        break;
                } else {
                        return (B_FALSE);
                }
        }
        case MAC_CAPAB_RINGS: {
                mac_capab_rings_t *cap_rings = cap_data;

                switch (cap_rings->mr_type) {
                case MAC_RING_TYPE_RX:
                        cap_rings->mr_group_type = MAC_GROUP_TYPE_STATIC;
                        cap_rings->mr_rnum = ixgbe->num_rx_rings;
                        cap_rings->mr_gnum = ixgbe->num_rx_groups;
                        cap_rings->mr_rget = ixgbe_fill_ring;
                        cap_rings->mr_gget = ixgbe_fill_group;
                        cap_rings->mr_gaddring = NULL;
                        cap_rings->mr_gremring = NULL;
                        break;
                case MAC_RING_TYPE_TX:
                        cap_rings->mr_group_type = MAC_GROUP_TYPE_STATIC;
                        cap_rings->mr_rnum = ixgbe->num_tx_rings;
                        cap_rings->mr_gnum = 0;
                        cap_rings->mr_rget = ixgbe_fill_ring;
                        cap_rings->mr_gget = NULL;
                        break;
                default:
                        break;
                }
                break;
        }
        case MAC_CAPAB_TRANSCEIVER: {
                mac_capab_transceiver_t *mct = cap_data;

                /*
                 * Rather than try and guess based on the media type whether or
                 * not we have a transceiver we can read, we instead will let
                 * the actual function calls figure that out for us.
                 */
                mct->mct_flags = 0;
                mct->mct_ntransceivers = 1;
                mct->mct_info = ixgbe_transceiver_info;
                mct->mct_read = ixgbe_transceiver_read;
                return (B_TRUE);
        }
        case MAC_CAPAB_LED: {
                mac_capab_led_t *mcl = cap_data;

                mcl->mcl_flags = 0;
                if (ixgbe->hw.mac.type != ixgbe_mac_E610) {
                        mcl->mcl_modes = MAC_LED_DEFAULT | MAC_LED_ON |
                            MAC_LED_OFF | MAC_LED_IDENT;
                        mcl->mcl_set = ixgbe_led_set;
                } else {
                        mcl->mcl_modes = MAC_LED_DEFAULT | MAC_LED_IDENT;
                        mcl->mcl_set = ixgbe_led_set_e610;
                }
                break;

        }
        default:
                return (B_FALSE);
        }
        return (B_TRUE);
}

int
ixgbe_m_setprop(void *arg, const char *pr_name, mac_prop_id_t pr_num,
    uint_t pr_valsize, const void *pr_val)
{
        ixgbe_t *ixgbe = (ixgbe_t *)arg;
        struct ixgbe_hw *hw = &ixgbe->hw;
        int err = 0;
        uint32_t flow_control;
        uint32_t cur_mtu, new_mtu;
        uint32_t rx_size;
        uint32_t tx_size;
        ixgbe_link_speed speeds = 0;

        mutex_enter(&ixgbe->gen_lock);
        if (ixgbe->ixgbe_state & IXGBE_SUSPENDED) {
                mutex_exit(&ixgbe->gen_lock);
                return (ECANCELED);
        }

        /*
         * We cannot always rely on the common code maintaining
         * hw->phy.speeds_supported, therefore we fall back to use the recorded
         * supported speeds which were obtained during instance init in
         * ixgbe_init_params().
         */
        speeds = hw->phy.speeds_supported;
        if (speeds == 0)
                speeds = ixgbe->speeds_supported;

        if (ixgbe->loopback_mode != IXGBE_LB_NONE &&
            ixgbe_param_locked(pr_num)) {
                /*
                 * All en_* parameters are locked (read-only)
                 * while the device is in any sort of loopback mode.
                 */
                mutex_exit(&ixgbe->gen_lock);
                return (EBUSY);
        }

        /*
         * We allow speed changes only on baseT PHYs. MAC_PROP_EN_* are marked
         * read-only on non-baseT PHYs.
         */
        switch (pr_num) {
        case MAC_PROP_EN_10GFDX_CAP:
                if (hw->phy.media_type == ixgbe_media_type_copper &&
                    speeds & IXGBE_LINK_SPEED_10GB_FULL) {
                        ixgbe->param_en_10000fdx_cap = *(uint8_t *)pr_val;
                        goto setup_link;
                } else {
                        err = ENOTSUP;
                        break;
                }
        case MAC_PROP_EN_5000FDX_CAP:
                if (hw->phy.media_type == ixgbe_media_type_copper &&
                    speeds & IXGBE_LINK_SPEED_5GB_FULL) {
                        ixgbe->param_en_5000fdx_cap = *(uint8_t *)pr_val;
                        goto setup_link;
                } else {
                        err = ENOTSUP;
                        break;
                }
        case MAC_PROP_EN_2500FDX_CAP:
                if (hw->phy.media_type == ixgbe_media_type_copper &&
                    speeds & IXGBE_LINK_SPEED_2_5GB_FULL) {
                        ixgbe->param_en_2500fdx_cap = *(uint8_t *)pr_val;
                        goto setup_link;
                } else {
                        err = ENOTSUP;
                        break;
                }
        case MAC_PROP_EN_1000FDX_CAP:
                if (hw->phy.media_type == ixgbe_media_type_copper &&
                    speeds & IXGBE_LINK_SPEED_1GB_FULL) {
                        ixgbe->param_en_1000fdx_cap = *(uint8_t *)pr_val;
                        goto setup_link;
                } else {
                        err = ENOTSUP;
                        break;
                }
        case MAC_PROP_EN_100FDX_CAP:
                if (hw->phy.media_type == ixgbe_media_type_copper &&
                    speeds & IXGBE_LINK_SPEED_100_FULL) {
                        ixgbe->param_en_100fdx_cap = *(uint8_t *)pr_val;
                        goto setup_link;
                } else {
                        err = ENOTSUP;
                        break;
                }
        case MAC_PROP_AUTONEG:
                if (ixgbe->hw.phy.media_type != ixgbe_media_type_copper) {
                        err = ENOTSUP;
                        break;
                } else {
                        ixgbe->param_adv_autoneg_cap = *(uint8_t *)pr_val;
                        goto setup_link;
                }
        case MAC_PROP_FLOWCTRL:
                bcopy(pr_val, &flow_control, sizeof (flow_control));

                switch (flow_control) {
                default:
                        err = EINVAL;
                        break;
                case LINK_FLOWCTRL_NONE:
                        hw->fc.requested_mode = ixgbe_fc_none;
                        break;
                case LINK_FLOWCTRL_RX:
                        hw->fc.requested_mode = ixgbe_fc_rx_pause;
                        break;
                case LINK_FLOWCTRL_TX:
                        hw->fc.requested_mode = ixgbe_fc_tx_pause;
                        break;
                case LINK_FLOWCTRL_BI:
                        hw->fc.requested_mode = ixgbe_fc_full;
                        break;
                }
setup_link:
                if (err == 0) {
                        if (ixgbe_driver_setup_link(ixgbe, B_TRUE) !=
                            IXGBE_SUCCESS)
                                err = EINVAL;
                }
                break;
        case MAC_PROP_ADV_10GFDX_CAP:
        case MAC_PROP_ADV_5000FDX_CAP:
        case MAC_PROP_ADV_2500FDX_CAP:
        case MAC_PROP_ADV_1000FDX_CAP:
        case MAC_PROP_ADV_100FDX_CAP:
        case MAC_PROP_STATUS:
        case MAC_PROP_SPEED:
        case MAC_PROP_DUPLEX:
        case MAC_PROP_MEDIA:
                err = ENOTSUP; /* read-only prop. Can't set this. */
                break;
        case MAC_PROP_MTU:
                cur_mtu = ixgbe->default_mtu;
                bcopy(pr_val, &new_mtu, sizeof (new_mtu));
                if (new_mtu == cur_mtu) {
                        err = 0;
                        break;
                }

                if (new_mtu < DEFAULT_MTU || new_mtu > ixgbe->capab->max_mtu) {
                        err = EINVAL;
                        break;
                }

                if (ixgbe->ixgbe_state & IXGBE_STARTED) {
                        err = EBUSY;
                        break;
                }

                err = mac_maxsdu_update(ixgbe->mac_hdl, new_mtu);
                if (err == 0) {
                        ixgbe->default_mtu = new_mtu;
                        ixgbe->max_frame_size = ixgbe->default_mtu +
                            sizeof (struct ether_vlan_header) + ETHERFCSL;

                        /*
                         * Set rx buffer size
                         */
                        rx_size = ixgbe->max_frame_size + IPHDR_ALIGN_ROOM;
                        ixgbe->rx_buf_size = ((rx_size >> 10) + ((rx_size &
                            (((uint32_t)1 << 10) - 1)) > 0 ? 1 : 0)) << 10;

                        /*
                         * Set tx buffer size
                         */
                        tx_size = ixgbe->max_frame_size;
                        ixgbe->tx_buf_size = ((tx_size >> 10) + ((tx_size &
                            (((uint32_t)1 << 10) - 1)) > 0 ? 1 : 0)) << 10;
                }
                break;
        case MAC_PROP_PRIVATE:
                err = ixgbe_set_priv_prop(ixgbe, pr_name, pr_valsize, pr_val);
                break;
        default:
                err = ENOTSUP;
                break;
        }
        mutex_exit(&ixgbe->gen_lock);
        return (err);
}

int
ixgbe_m_getprop(void *arg, const char *pr_name, mac_prop_id_t pr_num,
    uint_t pr_valsize, void *pr_val)
{
        ixgbe_t *ixgbe = (ixgbe_t *)arg;
        struct ixgbe_hw *hw = &ixgbe->hw;
        int err = 0;
        uint32_t flow_control;
        uint64_t tmp = 0;
        ixgbe_link_speed speeds = 0;

        /*
         * We cannot always rely on the common code maintaining
         * hw->phy.speeds_supported, therefore we fall back to use the recorded
         * supported speeds which were obtained during instance init in
         * ixgbe_init_params().
         */
        speeds = hw->phy.speeds_supported;
        if (speeds == 0)
                speeds = ixgbe->speeds_supported;

        switch (pr_num) {
        case MAC_PROP_DUPLEX:
                ASSERT(pr_valsize >= sizeof (link_duplex_t));
                bcopy(&ixgbe->link_duplex, pr_val,
                    sizeof (link_duplex_t));
                break;
        case MAC_PROP_SPEED:
                ASSERT(pr_valsize >= sizeof (uint64_t));
                tmp = ixgbe->link_speed * 1000000ull;
                bcopy(&tmp, pr_val, sizeof (tmp));
                break;
        case MAC_PROP_MEDIA:
                mutex_enter(&ixgbe->gen_lock);
                *(mac_ether_media_t *)pr_val = ixgbe_phy_to_media(ixgbe);
                mutex_exit(&ixgbe->gen_lock);
                break;
        case MAC_PROP_AUTONEG:
                *(uint8_t *)pr_val = ixgbe->param_adv_autoneg_cap;
                break;
        case MAC_PROP_FLOWCTRL:
                ASSERT(pr_valsize >= sizeof (uint32_t));

                switch (hw->fc.requested_mode) {
                        case ixgbe_fc_none:
                                flow_control = LINK_FLOWCTRL_NONE;
                                break;
                        case ixgbe_fc_rx_pause:
                                flow_control = LINK_FLOWCTRL_RX;
                                break;
                        case ixgbe_fc_tx_pause:
                                flow_control = LINK_FLOWCTRL_TX;
                                break;
                        case ixgbe_fc_full:
                                flow_control = LINK_FLOWCTRL_BI;
                                break;
                }
                bcopy(&flow_control, pr_val, sizeof (flow_control));
                break;
        case MAC_PROP_ADV_10GFDX_CAP:
                if (speeds & IXGBE_LINK_SPEED_10GB_FULL)
                        *(uint8_t *)pr_val = ixgbe->param_adv_10000fdx_cap;
                else
                        err = ENOTSUP;
                break;
        case MAC_PROP_EN_10GFDX_CAP:
                if (speeds & IXGBE_LINK_SPEED_10GB_FULL)
                        *(uint8_t *)pr_val = ixgbe->param_en_10000fdx_cap;
                else
                        err = ENOTSUP;
                break;
        case MAC_PROP_ADV_5000FDX_CAP:
                if (speeds & IXGBE_LINK_SPEED_5GB_FULL)
                        *(uint8_t *)pr_val = ixgbe->param_adv_5000fdx_cap;
                else
                        err = ENOTSUP;
                break;
        case MAC_PROP_EN_5000FDX_CAP:
                if (speeds & IXGBE_LINK_SPEED_5GB_FULL)
                        *(uint8_t *)pr_val = ixgbe->param_en_5000fdx_cap;
                else
                        err = ENOTSUP;
                break;
        case MAC_PROP_ADV_2500FDX_CAP:
                if (speeds & IXGBE_LINK_SPEED_2_5GB_FULL)
                        *(uint8_t *)pr_val = ixgbe->param_adv_2500fdx_cap;
                else
                        err = ENOTSUP;
                break;
        case MAC_PROP_EN_2500FDX_CAP:
                if (speeds & IXGBE_LINK_SPEED_2_5GB_FULL)
                        *(uint8_t *)pr_val = ixgbe->param_en_2500fdx_cap;
                else
                        err = ENOTSUP;
                break;
        case MAC_PROP_ADV_1000FDX_CAP:
                if (speeds & IXGBE_LINK_SPEED_1GB_FULL)
                        *(uint8_t *)pr_val = ixgbe->param_adv_1000fdx_cap;
                else
                        err = ENOTSUP;
                break;
        case MAC_PROP_EN_1000FDX_CAP:
                if (speeds & IXGBE_LINK_SPEED_1GB_FULL)
                        *(uint8_t *)pr_val = ixgbe->param_en_1000fdx_cap;
                else
                        err = ENOTSUP;
                break;
        case MAC_PROP_ADV_100FDX_CAP:
                if (speeds & IXGBE_LINK_SPEED_100_FULL)
                        *(uint8_t *)pr_val = ixgbe->param_adv_100fdx_cap;
                else
                        err = ENOTSUP;
                break;
        case MAC_PROP_EN_100FDX_CAP:
                if (speeds & IXGBE_LINK_SPEED_100_FULL)
                        *(uint8_t *)pr_val = ixgbe->param_en_100fdx_cap;
                else
                        err = ENOTSUP;
                break;
        case MAC_PROP_PRIVATE:
                err = ixgbe_get_priv_prop(ixgbe, pr_name,
                    pr_valsize, pr_val);
                break;
        default:
                err = ENOTSUP;
                break;
        }
        return (err);
}

void
ixgbe_m_propinfo(void *arg, const char *pr_name, mac_prop_id_t pr_num,
    mac_prop_info_handle_t prh)
{
        ixgbe_t *ixgbe = (ixgbe_t *)arg;
        struct ixgbe_hw *hw = &ixgbe->hw;
        uint_t perm;
        uint8_t value;
        ixgbe_link_speed speeds = 0;

        /*
         * We cannot always rely on the common code maintaining
         * hw->phy.speeds_supported, therefore we fall back to use the
         * recorded supported speeds which were obtained during instance init in
         * ixgbe_init_params().
         */
        speeds = hw->phy.speeds_supported;
        if (speeds == 0)
                speeds = ixgbe->speeds_supported;

        switch (pr_num) {
        case MAC_PROP_DUPLEX:
        case MAC_PROP_SPEED:
                mac_prop_info_set_perm(prh, MAC_PROP_PERM_READ);
                break;

        case MAC_PROP_ADV_100FDX_CAP:
                mac_prop_info_set_perm(prh, MAC_PROP_PERM_READ);
                value = (speeds & IXGBE_LINK_SPEED_100_FULL) ? 1 : 0;
                mac_prop_info_set_default_uint8(prh, value);
                break;

        case MAC_PROP_ADV_1000FDX_CAP:
                mac_prop_info_set_perm(prh, MAC_PROP_PERM_READ);
                value = (speeds & IXGBE_LINK_SPEED_1GB_FULL) ? 1 : 0;
                mac_prop_info_set_default_uint8(prh, value);
                break;

        case MAC_PROP_ADV_2500FDX_CAP:
                mac_prop_info_set_perm(prh, MAC_PROP_PERM_READ);
                value = (speeds & IXGBE_LINK_SPEED_2_5GB_FULL) ? 1 : 0;
                mac_prop_info_set_default_uint8(prh, value);
                break;

        case MAC_PROP_ADV_5000FDX_CAP:
                mac_prop_info_set_perm(prh, MAC_PROP_PERM_READ);
                value = (speeds & IXGBE_LINK_SPEED_5GB_FULL) ? 1 : 0;
                mac_prop_info_set_default_uint8(prh, value);
                break;

        case MAC_PROP_ADV_10GFDX_CAP:
                mac_prop_info_set_perm(prh, MAC_PROP_PERM_READ);
                value = (speeds & IXGBE_LINK_SPEED_10GB_FULL) ? 1 : 0;
                mac_prop_info_set_default_uint8(prh, value);
                break;

        /*
         * We allow speed changes only on baseT PHYs. MAC_PROP_EN_* are marked
         * read-only on non-baseT (SFP) PHYs.
         */
        case MAC_PROP_AUTONEG:
                perm = (hw->phy.media_type == ixgbe_media_type_copper) ?
                    MAC_PROP_PERM_RW : MAC_PROP_PERM_READ;
                mac_prop_info_set_perm(prh, perm);
                mac_prop_info_set_default_uint8(prh, 1);
                break;

        case MAC_PROP_EN_10GFDX_CAP:
                if (speeds & IXGBE_LINK_SPEED_10GB_FULL) {
                        perm = (hw->phy.media_type == ixgbe_media_type_copper) ?
                            MAC_PROP_PERM_RW : MAC_PROP_PERM_READ;
                        mac_prop_info_set_perm(prh, perm);
                        mac_prop_info_set_default_uint8(prh, 1);
                }
                break;

        case MAC_PROP_EN_5000FDX_CAP:
                if (speeds & IXGBE_LINK_SPEED_5GB_FULL) {
                        perm = (hw->phy.media_type == ixgbe_media_type_copper) ?
                            MAC_PROP_PERM_RW : MAC_PROP_PERM_READ;
                        mac_prop_info_set_perm(prh, perm);
                        mac_prop_info_set_default_uint8(prh, 1);
                }
                break;

        case MAC_PROP_EN_2500FDX_CAP:
                if (speeds & IXGBE_LINK_SPEED_2_5GB_FULL) {
                        perm = (hw->phy.media_type == ixgbe_media_type_copper) ?
                            MAC_PROP_PERM_RW : MAC_PROP_PERM_READ;
                        mac_prop_info_set_perm(prh, perm);
                        mac_prop_info_set_default_uint8(prh, 1);
                }
                break;

        case MAC_PROP_EN_1000FDX_CAP:
                if (speeds & IXGBE_LINK_SPEED_1GB_FULL) {
                        perm = (hw->phy.media_type == ixgbe_media_type_copper) ?
                            MAC_PROP_PERM_RW : MAC_PROP_PERM_READ;
                        mac_prop_info_set_perm(prh, perm);
                        mac_prop_info_set_default_uint8(prh, 1);
                }
                break;

        case MAC_PROP_EN_100FDX_CAP:
                if (speeds & IXGBE_LINK_SPEED_100_FULL) {
                        perm = (hw->phy.media_type == ixgbe_media_type_copper) ?
                            MAC_PROP_PERM_RW : MAC_PROP_PERM_READ;
                        mac_prop_info_set_perm(prh, perm);
                        mac_prop_info_set_default_uint8(prh, 1);
                }
                break;

        case MAC_PROP_FLOWCTRL:
                mac_prop_info_set_default_link_flowctrl(prh,
                    LINK_FLOWCTRL_NONE);
                break;

        case MAC_PROP_MTU:
                mac_prop_info_set_range_uint32(prh,
                    DEFAULT_MTU, ixgbe->capab->max_mtu);
                break;

        case MAC_PROP_PRIVATE: {
                char valstr[64];
                int value;

                bzero(valstr, sizeof (valstr));

                if (strcmp(pr_name, "_adv_pause_cap") == 0 ||
                    strcmp(pr_name, "_adv_asym_pause_cap") == 0) {
                        mac_prop_info_set_perm(prh, MAC_PROP_PERM_READ);
                        return;
                }

                if (strcmp(pr_name, "_tx_copy_thresh") == 0) {
                        value = DEFAULT_TX_COPY_THRESHOLD;
                } else if (strcmp(pr_name, "_tx_recycle_thresh") == 0) {
                        value = DEFAULT_TX_RECYCLE_THRESHOLD;
                } else if (strcmp(pr_name, "_tx_overload_thresh") == 0) {
                        value = DEFAULT_TX_OVERLOAD_THRESHOLD;
                } else if (strcmp(pr_name, "_tx_resched_thresh") == 0) {
                        value = DEFAULT_TX_RESCHED_THRESHOLD;
                } else if (strcmp(pr_name, "_rx_copy_thresh") == 0) {
                        value = DEFAULT_RX_COPY_THRESHOLD;
                } else if (strcmp(pr_name, "_rx_limit_per_intr") == 0) {
                        value = DEFAULT_RX_LIMIT_PER_INTR;
                } else if (strcmp(pr_name, "_intr_throttling") == 0) {
                        value = ixgbe->capab->def_intr_throttle;
                } else {
                        return;
                }

                (void) snprintf(valstr, sizeof (valstr), "%x", value);
        }
        }
}

boolean_t
ixgbe_param_locked(mac_prop_id_t pr_num)
{
        /*
         * All en_* parameters are locked (read-only) while
         * the device is in any sort of loopback mode ...
         */
        switch (pr_num) {
                case MAC_PROP_EN_10GFDX_CAP:
                case MAC_PROP_EN_5000FDX_CAP:
                case MAC_PROP_EN_2500FDX_CAP:
                case MAC_PROP_EN_1000FDX_CAP:
                case MAC_PROP_EN_100FDX_CAP:
                case MAC_PROP_AUTONEG:
                case MAC_PROP_FLOWCTRL:
                        return (B_TRUE);
        }
        return (B_FALSE);
}

/* ARGSUSED */
int
ixgbe_set_priv_prop(ixgbe_t *ixgbe, const char *pr_name,
    uint_t pr_valsize, const void *pr_val)
{
        int err = 0;
        long result;
        struct ixgbe_hw *hw = &ixgbe->hw;
        int i;

        if (strcmp(pr_name, "_tx_copy_thresh") == 0) {
                if (pr_val == NULL) {
                        err = EINVAL;
                        return (err);
                }
                (void) ddi_strtol(pr_val, (char **)NULL, 0, &result);
                if (result < MIN_TX_COPY_THRESHOLD ||
                    result > MAX_TX_COPY_THRESHOLD)
                        err = EINVAL;
                else {
                        ixgbe->tx_copy_thresh = (uint32_t)result;
                }
                return (err);
        }
        if (strcmp(pr_name, "_tx_recycle_thresh") == 0) {
                if (pr_val == NULL) {
                        err = EINVAL;
                        return (err);
                }
                (void) ddi_strtol(pr_val, (char **)NULL, 0, &result);
                if (result < MIN_TX_RECYCLE_THRESHOLD ||
                    result > MAX_TX_RECYCLE_THRESHOLD)
                        err = EINVAL;
                else {
                        ixgbe->tx_recycle_thresh = (uint32_t)result;
                }
                return (err);
        }
        if (strcmp(pr_name, "_tx_overload_thresh") == 0) {
                if (pr_val == NULL) {
                        err = EINVAL;
                        return (err);
                }
                (void) ddi_strtol(pr_val, (char **)NULL, 0, &result);
                if (result < MIN_TX_OVERLOAD_THRESHOLD ||
                    result > MAX_TX_OVERLOAD_THRESHOLD)
                        err = EINVAL;
                else {
                        ixgbe->tx_overload_thresh = (uint32_t)result;
                }
                return (err);
        }
        if (strcmp(pr_name, "_tx_resched_thresh") == 0) {
                if (pr_val == NULL) {
                        err = EINVAL;
                        return (err);
                }
                (void) ddi_strtol(pr_val, (char **)NULL, 0, &result);
                if (result < MIN_TX_RESCHED_THRESHOLD ||
                    result > MAX_TX_RESCHED_THRESHOLD)
                        err = EINVAL;
                else {
                        ixgbe->tx_resched_thresh = (uint32_t)result;
                }
                return (err);
        }
        if (strcmp(pr_name, "_rx_copy_thresh") == 0) {
                if (pr_val == NULL) {
                        err = EINVAL;
                        return (err);
                }
                (void) ddi_strtol(pr_val, (char **)NULL, 0, &result);
                if (result < MIN_RX_COPY_THRESHOLD ||
                    result > MAX_RX_COPY_THRESHOLD)
                        err = EINVAL;
                else {
                        ixgbe->rx_copy_thresh = (uint32_t)result;
                }
                return (err);
        }
        if (strcmp(pr_name, "_rx_limit_per_intr") == 0) {
                if (pr_val == NULL) {
                        err = EINVAL;
                        return (err);
                }
                (void) ddi_strtol(pr_val, (char **)NULL, 0, &result);
                if (result < MIN_RX_LIMIT_PER_INTR ||
                    result > MAX_RX_LIMIT_PER_INTR)
                        err = EINVAL;
                else {
                        ixgbe->rx_limit_per_intr = (uint32_t)result;
                }
                return (err);
        }
        if (strcmp(pr_name, "_intr_throttling") == 0) {
                if (pr_val == NULL) {
                        err = EINVAL;
                        return (err);
                }
                (void) ddi_strtol(pr_val, (char **)NULL, 0, &result);

                if (result < ixgbe->capab->min_intr_throttle ||
                    result > ixgbe->capab->max_intr_throttle)
                        err = EINVAL;
                else {
                        ixgbe->intr_throttling[0] = (uint32_t)result;

                        /*
                         * 82599, X540 and X550 require the interrupt throttling
                         * rate is a multiple of 8. This is enforced by the
                         * register definiton.
                         */
                        if (hw->mac.type == ixgbe_mac_82599EB ||
                            hw->mac.type == ixgbe_mac_X540 ||
                            hw->mac.type == ixgbe_mac_X550 ||
                            hw->mac.type == ixgbe_mac_X550EM_x) {
                                ixgbe->intr_throttling[0] =
                                    ixgbe->intr_throttling[0] & 0xFF8;
                        }

                        for (i = 0; i < MAX_INTR_VECTOR; i++)
                                ixgbe->intr_throttling[i] =
                                    ixgbe->intr_throttling[0];

                        /* Set interrupt throttling rate */
                        for (i = 0; i < ixgbe->intr_cnt; i++)
                                IXGBE_WRITE_REG(hw, IXGBE_EITR(i),
                                    ixgbe->intr_throttling[i]);
                }
                return (err);
        }
        return (ENOTSUP);
}

int
ixgbe_get_priv_prop(ixgbe_t *ixgbe, const char *pr_name,
    uint_t pr_valsize, void *pr_val)
{
        int err = ENOTSUP;
        int value;

        if (strcmp(pr_name, "_adv_pause_cap") == 0) {
                value = ixgbe->param_adv_pause_cap;
                err = 0;
                goto done;
        }
        if (strcmp(pr_name, "_adv_asym_pause_cap") == 0) {
                value = ixgbe->param_adv_asym_pause_cap;
                err = 0;
                goto done;
        }
        if (strcmp(pr_name, "_tx_copy_thresh") == 0) {
                value = ixgbe->tx_copy_thresh;
                err = 0;
                goto done;
        }
        if (strcmp(pr_name, "_tx_recycle_thresh") == 0) {
                value = ixgbe->tx_recycle_thresh;
                err = 0;
                goto done;
        }
        if (strcmp(pr_name, "_tx_overload_thresh") == 0) {
                value = ixgbe->tx_overload_thresh;
                err = 0;
                goto done;
        }
        if (strcmp(pr_name, "_tx_resched_thresh") == 0) {
                value = ixgbe->tx_resched_thresh;
                err = 0;
                goto done;
        }
        if (strcmp(pr_name, "_rx_copy_thresh") == 0) {
                value = ixgbe->rx_copy_thresh;
                err = 0;
                goto done;
        }
        if (strcmp(pr_name, "_rx_limit_per_intr") == 0) {
                value = ixgbe->rx_limit_per_intr;
                err = 0;
                goto done;
        }
        if (strcmp(pr_name, "_intr_throttling") == 0) {
                value = ixgbe->intr_throttling[0];
                err = 0;
                goto done;
        }
done:
        if (err == 0) {
                (void) snprintf(pr_val, pr_valsize, "%d", value);
        }
        return (err);
}