root/sys/dev/oce/oce_sysctl.c
/*-
 * SPDX-License-Identifier: BSD-3-Clause
 *
 * Copyright (C) 2013 Emulex
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * 1. Redistributions of source code must retain the above copyright notice,
 *    this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * 3. Neither the name of the Emulex Corporation nor the names of its
 *    contributors may be used to endorse or promote products derived from
 *    this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 *
 * Contact Information:
 * freebsd-drivers@emulex.com
 *
 * Emulex
 * 3333 Susan Street
 * Costa Mesa, CA 92626
 */


#include "oce_if.h"

static void copy_stats_to_sc_xe201(POCE_SOFTC sc);
static void copy_stats_to_sc_be3(POCE_SOFTC sc);
static void copy_stats_to_sc_be2(POCE_SOFTC sc);
static void copy_stats_to_sc_sh(POCE_SOFTC sc);
static int  oce_sysctl_loopback(SYSCTL_HANDLER_ARGS);
static int  oce_sys_aic_enable(SYSCTL_HANDLER_ARGS);
static int  oce_be3_fwupgrade(POCE_SOFTC sc, const struct firmware *fw);
static int oce_skyhawk_fwupgrade(POCE_SOFTC sc, const struct firmware *fw);
static int  oce_sys_fwupgrade(SYSCTL_HANDLER_ARGS);
static int  oce_lancer_fwupgrade(POCE_SOFTC sc, const struct firmware *fw);
static int oce_sysctl_sfp_vpd_dump(SYSCTL_HANDLER_ARGS);
static boolean_t oce_phy_flashing_required(POCE_SOFTC sc);
static boolean_t oce_img_flashing_required(POCE_SOFTC sc, const char *p,
                                int img_optype, uint32_t img_offset,
                                uint32_t img_size, uint32_t hdrs_size);
static void oce_add_stats_sysctls_be3(POCE_SOFTC sc,
                                struct sysctl_ctx_list *ctx,
                                struct sysctl_oid *stats_node);
static void oce_add_stats_sysctls_xe201(POCE_SOFTC sc,
                                struct sysctl_ctx_list *ctx,
                                struct sysctl_oid *stats_node);

extern char component_revision[32];
uint8_t sfp_vpd_dump_buffer[TRANSCEIVER_DATA_SIZE];

struct flash_img_attri {
        int img_offset;
        int img_size;
        int img_type;
        bool skip_image;
        int optype;
};

void
oce_add_sysctls(POCE_SOFTC sc)
{

        struct sysctl_ctx_list *ctx = device_get_sysctl_ctx(sc->dev);
        struct sysctl_oid *tree = device_get_sysctl_tree(sc->dev);
        struct sysctl_oid_list *child = SYSCTL_CHILDREN(tree);
        struct sysctl_oid *stats_node;

        SYSCTL_ADD_STRING(ctx, child,
                        OID_AUTO, "component_revision",
                        CTLFLAG_RD,
                        component_revision,
                        sizeof(component_revision),
                        "EMULEX One-Connect device driver revision");

        SYSCTL_ADD_STRING(ctx, child,
                        OID_AUTO, "firmware_version",
                        CTLFLAG_RD,
                        sc->fw_version,
                        sizeof(sc->fw_version),
                        "EMULEX One-Connect Firmware Version");

        SYSCTL_ADD_INT(ctx, child,
                        OID_AUTO, "max_rsp_handled",
                        CTLFLAG_RW,
                        &oce_max_rsp_handled,
                        sizeof(oce_max_rsp_handled),
                        "Maximum receive frames handled per interrupt");

        if ((sc->function_mode & FNM_FLEX10_MODE) || 
            (sc->function_mode & FNM_UMC_MODE))
                SYSCTL_ADD_UINT(ctx, child,
                                OID_AUTO, "speed",
                                CTLFLAG_RD,
                                &sc->qos_link_speed,
                                0,"QOS Speed");
        else
                SYSCTL_ADD_UINT(ctx, child,
                                OID_AUTO, "speed",
                                CTLFLAG_RD,
                                &sc->speed,
                                0,"Link Speed");

        if (sc->function_mode & FNM_UMC_MODE)
                SYSCTL_ADD_UINT(ctx, child,
                                OID_AUTO, "pvid",
                                CTLFLAG_RD,
                                &sc->pvid,
                                0,"PVID");

        SYSCTL_ADD_PROC(ctx, child, OID_AUTO, "loop_back",
            CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_NEEDGIANT, (void *)sc, 0,
            oce_sysctl_loopback, "I", "Loop Back Tests");

        SYSCTL_ADD_PROC(ctx, child, OID_AUTO, "fw_upgrade",
            CTLTYPE_STRING | CTLFLAG_RW | CTLFLAG_NEEDGIANT, (void *)sc, 0,
            oce_sys_fwupgrade, "A", "Firmware ufi file");

        SYSCTL_ADD_PROC(ctx, child, OID_AUTO, "aic_enable",
            CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_NEEDGIANT, (void *)sc, 1,
            oce_sys_aic_enable, "I", "aic flags");

        /*
         *  Dumps Transceiver data
         *  "sysctl dev.oce.0.sfp_vpd_dump=0"
         *  "sysctl -x dev.oce.0.sfp_vpd_dump_buffer" for hex dump
         *  "sysctl -b dev.oce.0.sfp_vpd_dump_buffer > sfp.bin" for binary dump
         */
        SYSCTL_ADD_PROC(ctx, child, OID_AUTO, "sfp_vpd_dump",
            CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_NEEDGIANT, (void *)sc, 0,
            oce_sysctl_sfp_vpd_dump, "I", "Initiate a sfp_vpd_dump operation");
        SYSCTL_ADD_OPAQUE(ctx, child, OID_AUTO, "sfp_vpd_dump_buffer",
                        CTLFLAG_RD, sfp_vpd_dump_buffer,
                        TRANSCEIVER_DATA_SIZE, "IU", "Access sfp_vpd_dump buffer");

        stats_node = SYSCTL_ADD_NODE(ctx, child, OID_AUTO, "stats",
            CTLFLAG_RD | CTLFLAG_MPSAFE, NULL, "Ethernet Statistics");

        if (IS_BE(sc) || IS_SH(sc))
                oce_add_stats_sysctls_be3(sc, ctx, stats_node);
        else
                oce_add_stats_sysctls_xe201(sc, ctx, stats_node);

}

static uint32_t
oce_loopback_test(struct oce_softc *sc, uint8_t loopback_type)
{
        uint32_t status = 0;

        oce_mbox_cmd_set_loopback(sc, sc->port_id, loopback_type, 1);
        status = oce_mbox_cmd_test_loopback(sc, sc->port_id, loopback_type,
                                1500, 2, 0xabc);
        oce_mbox_cmd_set_loopback(sc, sc->port_id, OCE_NO_LOOPBACK, 1);

        return status;
}

static int
oce_sys_aic_enable(SYSCTL_HANDLER_ARGS)
{
        int value = 0;
        uint32_t status, vector;
        POCE_SOFTC sc = (struct oce_softc *)arg1;
        struct oce_aic_obj *aic;

        /* set current value for proper sysctl logging */
        value = sc->aic_obj[0].enable;
        status = sysctl_handle_int(oidp, &value, 0, req);
        if (status || !req->newptr)
                return status; 

        for (vector = 0; vector < sc->intr_count; vector++) {
                aic = &sc->aic_obj[vector];

                if (value == 0){
                        aic->max_eqd = aic->min_eqd = aic->et_eqd = 0;
                        aic->enable = 0;
                }
                else {
                        aic->max_eqd = OCE_MAX_EQD;
                        aic->min_eqd = OCE_MIN_EQD;
                        aic->et_eqd = OCE_MIN_EQD;
                        aic->enable = TRUE;
                }
        }
        return 0;
}

static int
oce_sysctl_loopback(SYSCTL_HANDLER_ARGS)
{
        int value = 0;
        uint32_t status;  
        struct oce_softc *sc  = (struct oce_softc *)arg1;

        status = sysctl_handle_int(oidp, &value, 0, req);
        if (status || !req->newptr)
                return status; 

        if (value != 1) {
                device_printf(sc->dev,
                        "Not a Valid value. Set to loop_back=1 to run tests\n");
                return 0;
        }

        if ((status = oce_loopback_test(sc, OCE_MAC_LOOPBACK))) {
                device_printf(sc->dev,
                        "MAC Loopback Test = Failed (Error status = %d)\n",
                         status);
        } else
                device_printf(sc->dev, "MAC Loopback Test = Success\n");

        if ((status = oce_loopback_test(sc, OCE_PHY_LOOPBACK))) {
                device_printf(sc->dev,
                        "PHY Loopback Test = Failed (Error status = %d)\n",
                         status);
        } else
                device_printf(sc->dev, "PHY Loopback Test = Success\n");

        if ((status = oce_loopback_test(sc, OCE_ONE_PORT_EXT_LOOPBACK))) {
                device_printf(sc->dev,
                        "EXT Loopback Test = Failed (Error status = %d)\n",
                         status);
        } else
                device_printf(sc->dev, "EXT Loopback Test = Success\n");

        return 0;
}

static int
oce_sys_fwupgrade(SYSCTL_HANDLER_ARGS)
{
        char ufiname[256] = {0};
        uint32_t status = 1;
        struct oce_softc *sc  = (struct oce_softc *)arg1;
        const struct firmware *fw;

        status = sysctl_handle_string(oidp, ufiname, sizeof(ufiname), req);
        if (status || !req->newptr)
                return status;

        fw = firmware_get(ufiname);
        if (fw == NULL) {
                device_printf(sc->dev, "Unable to get Firmware. "
                        "Make sure %s is copied to /boot/modules\n", ufiname);
                return ENOENT;
        }

        if (IS_BE(sc)) {
                if ((sc->flags & OCE_FLAGS_BE2)) {
                        device_printf(sc->dev, 
                                "Flashing not supported for BE2 yet.\n");
                        status = 1;
                        goto done;
                }
                status = oce_be3_fwupgrade(sc, fw);
        } else if (IS_SH(sc)) {
                status = oce_skyhawk_fwupgrade(sc,fw);
        } else
                status = oce_lancer_fwupgrade(sc, fw);
done:
        if (status) {
                device_printf(sc->dev, "Firmware Upgrade failed\n");
        } else {
                device_printf(sc->dev, "Firmware Flashed successfully\n");
        }

        /* Release Firmware*/
        firmware_put(fw, FIRMWARE_UNLOAD);

        return status;
}

static void oce_fill_flash_img_data(POCE_SOFTC sc, const struct flash_sec_info * fsec,
                                struct flash_img_attri *pimg, int i,
                                const struct firmware *fw, int bin_offset)
{
        if (IS_SH(sc)) {
                pimg->img_offset = HOST_32(fsec->fsec_entry[i].offset);
                pimg->img_size   = HOST_32(fsec->fsec_entry[i].pad_size);
        }

        pimg->img_type = HOST_32(fsec->fsec_entry[i].type);
        pimg->skip_image = FALSE;
        switch (pimg->img_type) {
                case IMG_ISCSI:
                        pimg->optype = 0;
                        if (IS_BE3(sc)) {
                                pimg->img_offset = 2097152;
                                pimg->img_size   = 2097152;
                        }
                        break;
                case IMG_REDBOOT:
                        pimg->optype = 1;
                        if (IS_BE3(sc)) {
                                pimg->img_offset = 262144;
                                pimg->img_size   = 1048576;
                        }
                        if (!oce_img_flashing_required(sc, fw->data,
                                                pimg->optype,
                                                pimg->img_offset,
                                                pimg->img_size,
                                                bin_offset))
                                pimg->skip_image = TRUE;
                        break;
                case IMG_BIOS:
                        pimg->optype = 2;
                        if (IS_BE3(sc)) {
                                pimg->img_offset = 12582912;
                                pimg->img_size   = 524288;
                        }
                        break;
                case IMG_PXEBIOS:
                        pimg->optype = 3;
                        if (IS_BE3(sc)) {
                                pimg->img_offset =  13107200;
                                pimg->img_size   = 524288;
                        }
                        break;
                case IMG_FCOEBIOS:
                        pimg->optype = 8;
                        if (IS_BE3(sc)) {
                                pimg->img_offset = 13631488;
                                pimg->img_size   = 524288;
                        }
                        break;
                case IMG_ISCSI_BAK:
                        pimg->optype = 9;
                        if (IS_BE3(sc)) {
                                pimg->img_offset = 4194304;
                                pimg->img_size   = 2097152;
                        }
                        break;
                case IMG_FCOE:
                        pimg->optype = 10;
                        if (IS_BE3(sc)) {
                                pimg->img_offset = 6291456;
                                pimg->img_size   = 2097152;
                        }
                        break;
                case IMG_FCOE_BAK:
                        pimg->optype = 11;
                        if (IS_BE3(sc)) {
                                pimg->img_offset = 8388608;
                                pimg->img_size   = 2097152;
                        }
                        break;
                case IMG_NCSI:
                        pimg->optype = 13;
                        if (IS_BE3(sc)) {
                                pimg->img_offset = 15990784;
                                pimg->img_size   = 262144;
                        }
                        break;
                case IMG_PHY:
                        pimg->optype = 99;
                        if (IS_BE3(sc)) {
                                pimg->img_offset = 1310720;
                                pimg->img_size   = 262144;
                        }
                        if (!oce_phy_flashing_required(sc))
                                pimg->skip_image = TRUE;
                        break;
                default:
                        pimg->skip_image = TRUE;
                        break;
        }

}

static int
oce_sh_be3_flashdata(POCE_SOFTC sc, const struct firmware *fw, int32_t num_imgs)
{
        char cookie[2][16] =    {"*** SE FLAS", "H DIRECTORY *** "};
        const char *p = (const char *)fw->data;
        const struct flash_sec_info *fsec = NULL;
        struct mbx_common_read_write_flashrom *req;
        int rc = 0, i, bin_offset = 0, opcode, num_bytes;
        OCE_DMA_MEM dma_mem;
        struct flash_img_attri imgatt;

        /* Validate Cookie */
        bin_offset = (sizeof(struct flash_file_hdr) +
                        (num_imgs * sizeof(struct image_hdr)));
        p += bin_offset;
        while (p < ((const char *)fw->data + fw->datasize)) {
                fsec = (const struct flash_sec_info *)p;
                if (!memcmp(cookie, fsec->cookie, sizeof(cookie)))
                        break;
                fsec = NULL;
                p += 32;
        }

        if (!fsec) {
                device_printf(sc->dev,
                                "Invalid Cookie. Firmware image corrupted ?\n");
                return EINVAL;
        }

        rc = oce_dma_alloc(sc, sizeof(struct mbx_common_read_write_flashrom),
                                &dma_mem, 0);
        if (rc) {
                device_printf(sc->dev,
                                "Memory allocation failure while flashing\n");
                return ENOMEM;
        }
        req = OCE_DMAPTR(&dma_mem, struct mbx_common_read_write_flashrom);

        if (IS_SH(sc))
                num_imgs = HOST_32(fsec->fsec_hdr.num_images);
        else if (IS_BE3(sc))
                num_imgs = MAX_FLASH_COMP;

        for (i = 0; i < num_imgs; i++) {
                bzero(&imgatt, sizeof(struct flash_img_attri));

                oce_fill_flash_img_data(sc, fsec, &imgatt, i, fw, bin_offset);

                if (imgatt.skip_image)
                        continue;

                p = fw->data;
                p = p + bin_offset + imgatt.img_offset;

                if ((p + imgatt.img_size) > ((const char *)fw->data + fw->datasize)) {
                        rc = 1;
                        goto ret;
                }

                while (imgatt.img_size) {
                        if (imgatt.img_size > 32*1024)
                                num_bytes = 32*1024;
                        else
                                num_bytes = imgatt.img_size;
                        imgatt.img_size -= num_bytes;

                        if (!imgatt.img_size)
                                opcode = FLASHROM_OPER_FLASH;
                        else
                                opcode = FLASHROM_OPER_SAVE;

                        memcpy(req->data_buffer, p, num_bytes);
                        p += num_bytes;

                        rc = oce_mbox_write_flashrom(sc, imgatt.optype, opcode,
                                        &dma_mem, num_bytes);
                        if (rc) {
                                device_printf(sc->dev,
                                                "cmd to write to flash rom failed.\n");
                                rc = EIO;
                                goto ret;
                        }
                        /* Leave the CPU for others for some time */
                        pause("yield", 10);
                }
        }

ret:
        oce_dma_free(sc, &dma_mem);
        return rc;
}

#define UFI_TYPE2               2
#define UFI_TYPE3               3
#define UFI_TYPE3R              10
#define UFI_TYPE4               4
#define UFI_TYPE4R              11
static int oce_get_ufi_type(POCE_SOFTC sc,
                           const struct flash_file_hdr *fhdr)
{
        if (fhdr == NULL)
                goto be_get_ufi_exit;

        if (IS_SH(sc) && fhdr->build[0] == '4') {
                if (fhdr->asic_type_rev >= 0x10)
                        return UFI_TYPE4R;
                else
                        return UFI_TYPE4;
        } else if (IS_BE3(sc) && fhdr->build[0] == '3') {
                if (fhdr->asic_type_rev == 0x10)
                        return UFI_TYPE3R;
                else
                        return UFI_TYPE3;
        } else if (IS_BE2(sc) && fhdr->build[0] == '2')
                return UFI_TYPE2;

be_get_ufi_exit:
        device_printf(sc->dev,
                "UFI and Interface are not compatible for flashing\n");
        return -1;
}

static int
oce_skyhawk_fwupgrade(POCE_SOFTC sc, const struct firmware *fw)
{
        int rc = 0, num_imgs = 0, i = 0, ufi_type;
        const struct flash_file_hdr *fhdr;
        const struct image_hdr *img_ptr;

        fhdr = (const struct flash_file_hdr *)fw->data;

        ufi_type = oce_get_ufi_type(sc, fhdr);

        /* Display flash version */
        device_printf(sc->dev, "Flashing Firmware %s\n", &fhdr->build[2]);

        num_imgs = fhdr->num_imgs;
        for (i = 0; i < num_imgs; i++) {
                img_ptr = (const struct image_hdr *)((const char *)fw->data +
                                sizeof(struct flash_file_hdr) +
                                (i * sizeof(struct image_hdr)));

                if (img_ptr->imageid != 1)
                        continue;

                switch (ufi_type) {
                        case UFI_TYPE4R:
                                rc = oce_sh_be3_flashdata(sc, fw,
                                                num_imgs);
                                break;
                        case UFI_TYPE4:
                                if (sc->asic_revision < 0x10)
                                        rc = oce_sh_be3_flashdata(sc, fw,
                                                                   num_imgs);
                                else {
                                        rc = -1;
                                        device_printf(sc->dev,
                                                "Cant load SH A0 UFI on B0\n");
                                }
                                break;
                        default:
                                rc = -1;
                                break;
                }
        }

        return rc;
}

static int
oce_be3_fwupgrade(POCE_SOFTC sc, const struct firmware *fw)
{
        int rc = 0, num_imgs = 0, i = 0;
        const struct flash_file_hdr *fhdr;
        const struct image_hdr *img_ptr;

        fhdr = (const struct flash_file_hdr *)fw->data;
        if (fhdr->build[0] != '3') {
                device_printf(sc->dev, "Invalid BE3 firmware image\n");
                return EINVAL;
        }
        /* Display flash version */
        device_printf(sc->dev, "Flashing Firmware %s\n", &fhdr->build[2]);

        num_imgs = fhdr->num_imgs;
        for (i = 0; i < num_imgs; i++) {
                img_ptr = (const struct image_hdr *)((const char *)fw->data +
                                sizeof(struct flash_file_hdr) +
                                (i * sizeof(struct image_hdr)));
                if (img_ptr->imageid == 1) {
                        rc = oce_sh_be3_flashdata(sc, fw, num_imgs);

                        break;
                }
        }

        return rc;
}

static boolean_t
oce_phy_flashing_required(POCE_SOFTC sc)
{
        int status = 0;
        struct oce_phy_info phy_info;

        status = oce_mbox_get_phy_info(sc, &phy_info);
        if (status)
                return FALSE;

        if ((phy_info.phy_type == TN_8022) &&
                (phy_info.interface_type == PHY_TYPE_BASET_10GB)) {
                return TRUE;
        }

        return FALSE;
}

static boolean_t
oce_img_flashing_required(POCE_SOFTC sc, const char *p,
                                int img_optype, uint32_t img_offset,
                                uint32_t img_size, uint32_t hdrs_size)
{
        uint32_t crc_offset;
        uint8_t flashed_crc[4];
        int status;

        crc_offset = hdrs_size + img_offset + img_size - 4;

        p += crc_offset;

        status = oce_mbox_get_flashrom_crc(sc, flashed_crc,
                        (img_size - 4), img_optype);
        if (status)
                return TRUE; /* Some thing worng. ReFlash */

        /*update redboot only if crc does not match*/
        if (bcmp(flashed_crc, p, 4))
                return TRUE;
        else
                return FALSE;
}

static int
oce_lancer_fwupgrade(POCE_SOFTC sc, const struct firmware *fw)
{

        int rc = 0;
        OCE_DMA_MEM dma_mem;
        const uint8_t *data = NULL;
        uint8_t *dest_image_ptr = NULL;
        size_t size = 0;
        uint32_t data_written = 0, chunk_size = 0;
        uint32_t offset = 0, add_status = 0;

        if (!IS_ALIGNED(fw->datasize, sizeof(uint32_t))) {
                device_printf(sc->dev,
                        "Lancer FW image is not 4 byte aligned.");
                return EINVAL;
        }

        rc = oce_dma_alloc(sc, 32*1024, &dma_mem, 0);
        if (rc) {
                device_printf(sc->dev,
                        "Memory allocation failure while flashing Lancer\n");
                return ENOMEM;
        }

        size = fw->datasize;
        data = fw->data;
        dest_image_ptr = OCE_DMAPTR(&dma_mem, uint8_t);

        while (size) {
                chunk_size = MIN(size, (32*1024));

                bcopy(data, dest_image_ptr, chunk_size);

                rc = oce_mbox_lancer_write_flashrom(sc, chunk_size, offset,
                                &dma_mem, &data_written, &add_status);

                if (rc)
                        break;

                size    -= data_written;
                data    += data_written;
                offset  += data_written;
                pause("yield", 10);
        }

        if (!rc)
                /* Commit the firmware*/
                rc = oce_mbox_lancer_write_flashrom(sc, 0, offset, &dma_mem,
                                                &data_written, &add_status);
        if (rc) {
                device_printf(sc->dev, "Lancer firmware load error. "
                        "Addstatus = 0x%x, status = %d \n", add_status, rc);
                rc = EIO;
        }
        oce_dma_free(sc, &dma_mem);
        return rc;

}

static void
oce_add_stats_sysctls_be3(POCE_SOFTC sc,
                                  struct sysctl_ctx_list *ctx,
                                  struct sysctl_oid *stats_node)
{
        struct sysctl_oid *rx_stats_node, *tx_stats_node;
        struct sysctl_oid_list *rx_stat_list, *tx_stat_list;
        struct sysctl_oid_list *queue_stats_list;
        struct sysctl_oid *queue_stats_node;
        struct oce_drv_stats *stats;
        char prefix[32];
        int i;

        stats = &sc->oce_stats_info;

        rx_stats_node = SYSCTL_ADD_NODE(ctx,
            SYSCTL_CHILDREN(stats_node), OID_AUTO,"rx",
            CTLFLAG_RD | CTLFLAG_MPSAFE, NULL, "RX Ethernet Statistics");
        rx_stat_list = SYSCTL_CHILDREN(rx_stats_node);

        SYSCTL_ADD_QUAD(ctx, rx_stat_list, OID_AUTO, "total_pkts",
                        CTLFLAG_RD, &stats->rx.t_rx_pkts,
                        "Total Received Packets");
        SYSCTL_ADD_QUAD(ctx, rx_stat_list, OID_AUTO, "total_bytes",
                        CTLFLAG_RD, &stats->rx.t_rx_bytes,
                        "Total Received Bytes");
        SYSCTL_ADD_UINT(ctx, rx_stat_list, OID_AUTO, "total_frags",
                        CTLFLAG_RD, &stats->rx.t_rx_frags, 0,
                        "Total Received Fragments");
        SYSCTL_ADD_UINT(ctx, rx_stat_list, OID_AUTO, "total_mcast_pkts",
                        CTLFLAG_RD, &stats->rx.t_rx_mcast_pkts, 0,
                        "Total Received Multicast Packets");
        SYSCTL_ADD_UINT(ctx, rx_stat_list, OID_AUTO, "total_ucast_pkts",
                        CTLFLAG_RD, &stats->rx.t_rx_ucast_pkts, 0,
                        "Total Received Unicast Packets");
        SYSCTL_ADD_UINT(ctx, rx_stat_list, OID_AUTO, "total_rxcp_errs",
                        CTLFLAG_RD, &stats->rx.t_rxcp_errs, 0,
                        "Total Receive completion errors");
        SYSCTL_ADD_UINT(ctx, rx_stat_list, OID_AUTO, "pause_frames",
                        CTLFLAG_RD, &stats->u0.be.rx_pause_frames, 0,
                        "Pause Frames");
        SYSCTL_ADD_UINT(ctx, rx_stat_list, OID_AUTO, "priority_pause_frames",
                        CTLFLAG_RD, &stats->u0.be.rx_priority_pause_frames, 0,
                        "Priority Pause Frames");
        SYSCTL_ADD_UINT(ctx, rx_stat_list, OID_AUTO, "control_frames",
                        CTLFLAG_RD, &stats->u0.be.rx_control_frames, 0,
                        "Control Frames");

        for (i = 0; i < sc->nrqs; i++) {
                sprintf(prefix, "queue%d",i);
                queue_stats_node = SYSCTL_ADD_NODE(ctx, 
                    SYSCTL_CHILDREN(rx_stats_node), OID_AUTO, prefix,
                    CTLFLAG_RD | CTLFLAG_MPSAFE, NULL, "Queue name");
                queue_stats_list = SYSCTL_CHILDREN(queue_stats_node);
                
                SYSCTL_ADD_QUAD(ctx, queue_stats_list, OID_AUTO, "rx_pkts",
                        CTLFLAG_RD, &sc->rq[i]->rx_stats.rx_pkts,
                        "Receive Packets");
                SYSCTL_ADD_QUAD(ctx, queue_stats_list, OID_AUTO, "rx_bytes",
                        CTLFLAG_RD, &sc->rq[i]->rx_stats.rx_bytes,
                        "Received Bytes");
                SYSCTL_ADD_UINT(ctx, queue_stats_list, OID_AUTO, "rx_frags",
                        CTLFLAG_RD, &sc->rq[i]->rx_stats.rx_frags, 0,
                        "Received Fragments");
                SYSCTL_ADD_UINT(ctx, queue_stats_list, OID_AUTO,
                                "rx_mcast_pkts", CTLFLAG_RD,
                                &sc->rq[i]->rx_stats.rx_mcast_pkts, 0,
                                        "Received Multicast Packets");
                SYSCTL_ADD_UINT(ctx, queue_stats_list, OID_AUTO,
                                "rx_ucast_pkts", CTLFLAG_RD, 
                                &sc->rq[i]->rx_stats.rx_ucast_pkts, 0,
                                        "Received Unicast Packets");
                SYSCTL_ADD_UINT(ctx, queue_stats_list, OID_AUTO, "rxcp_err",
                        CTLFLAG_RD, &sc->rq[i]->rx_stats.rxcp_err, 0,
                        "Received Completion Errors");
                if(IS_SH(sc)) {
                        SYSCTL_ADD_UINT(ctx, queue_stats_list, OID_AUTO, "rx_drops_no_frags",
                                CTLFLAG_RD, &sc->rq[i]->rx_stats.rx_drops_no_frags, 0,
                                "num of packet drops due to no fragments");
                }
        }

        rx_stats_node = SYSCTL_ADD_NODE(ctx,
            SYSCTL_CHILDREN(rx_stats_node), OID_AUTO, "err",
                CTLFLAG_RD | CTLFLAG_MPSAFE, NULL, "Receive Error Stats");
        rx_stat_list = SYSCTL_CHILDREN(rx_stats_node);

        SYSCTL_ADD_UINT(ctx, rx_stat_list, OID_AUTO, "crc_errs",
                        CTLFLAG_RD, &stats->u0.be.rx_crc_errors, 0,
                        "CRC Errors");
        SYSCTL_ADD_UINT(ctx, rx_stat_list, OID_AUTO, "pbuf_errors",
                        CTLFLAG_RD, &stats->u0.be.rx_drops_no_pbuf, 0,
                        "Drops due to pbuf full");
        SYSCTL_ADD_UINT(ctx, rx_stat_list, OID_AUTO, "erx_errors",
                        CTLFLAG_RD, &stats->u0.be.rx_drops_no_erx_descr, 0,
                        "ERX Errors");
        SYSCTL_ADD_UINT(ctx, rx_stat_list, OID_AUTO, "alignment_errors",
                        CTLFLAG_RD, &stats->u0.be.rx_drops_too_many_frags, 0,
                        "RX Alignment Errors");
        SYSCTL_ADD_UINT(ctx, rx_stat_list, OID_AUTO, "in_range_errors",
                        CTLFLAG_RD, &stats->u0.be.rx_in_range_errors, 0,
                        "In Range Errors");
        SYSCTL_ADD_UINT(ctx, rx_stat_list, OID_AUTO, "out_range_errors",
                        CTLFLAG_RD, &stats->u0.be.rx_out_range_errors, 0,
                        "Out Range Errors");
        SYSCTL_ADD_UINT(ctx, rx_stat_list, OID_AUTO, "frame_too_long",
                        CTLFLAG_RD, &stats->u0.be.rx_frame_too_long, 0,
                        "Frame Too Long");
        SYSCTL_ADD_UINT(ctx, rx_stat_list, OID_AUTO, "address_match_errors",
                        CTLFLAG_RD, &stats->u0.be.rx_address_match_errors, 0,
                        "Address Match Errors");
        SYSCTL_ADD_UINT(ctx, rx_stat_list, OID_AUTO, "dropped_too_small",
                        CTLFLAG_RD, &stats->u0.be.rx_dropped_too_small, 0,
                        "Dropped Too Small");
        SYSCTL_ADD_UINT(ctx, rx_stat_list, OID_AUTO, "dropped_too_short",
                        CTLFLAG_RD, &stats->u0.be.rx_dropped_too_short, 0,
                        "Dropped Too Short");
        SYSCTL_ADD_UINT(ctx, rx_stat_list, OID_AUTO,
                        "dropped_header_too_small", CTLFLAG_RD,
                        &stats->u0.be.rx_dropped_header_too_small, 0,
                        "Dropped Header Too Small");
        SYSCTL_ADD_UINT(ctx, rx_stat_list, OID_AUTO, "dropped_tcp_length",
                        CTLFLAG_RD, &stats->u0.be.rx_dropped_tcp_length, 0,
                        "Dropped TCP Length");
        SYSCTL_ADD_UINT(ctx, rx_stat_list, OID_AUTO, "dropped_runt",
                        CTLFLAG_RD, &stats->u0.be.rx_dropped_runt, 0,
                        "Dropped runt");
        SYSCTL_ADD_UINT(ctx, rx_stat_list, OID_AUTO, "ip_checksum_errs",
                        CTLFLAG_RD, &stats->u0.be.rx_ip_checksum_errs, 0,
                        "IP Checksum Errors");
        SYSCTL_ADD_UINT(ctx, rx_stat_list, OID_AUTO, "tcp_checksum_errs",
                        CTLFLAG_RD, &stats->u0.be.rx_tcp_checksum_errs, 0,
                        "TCP Checksum Errors");
        SYSCTL_ADD_UINT(ctx, rx_stat_list, OID_AUTO, "udp_checksum_errs",
                        CTLFLAG_RD, &stats->u0.be.rx_udp_checksum_errs, 0,
                        "UDP Checksum Errors");
        SYSCTL_ADD_UINT(ctx, rx_stat_list, OID_AUTO, "fifo_overflow_drop",
                        CTLFLAG_RD, &stats->u0.be.rxpp_fifo_overflow_drop, 0,
                        "FIFO Overflow Drop");
        SYSCTL_ADD_UINT(ctx, rx_stat_list, OID_AUTO,
                        "input_fifo_overflow_drop", CTLFLAG_RD,
                        &stats->u0.be.rx_input_fifo_overflow_drop, 0,
                        "Input FIFO Overflow Drop");

        tx_stats_node = SYSCTL_ADD_NODE(ctx,
            SYSCTL_CHILDREN(stats_node), OID_AUTO,
                "tx", CTLFLAG_RD | CTLFLAG_MPSAFE, NULL,
                "TX Ethernet Statistics");
        tx_stat_list = SYSCTL_CHILDREN(tx_stats_node);

        SYSCTL_ADD_QUAD(ctx, tx_stat_list, OID_AUTO, "total_tx_pkts",
                        CTLFLAG_RD, &stats->tx.t_tx_pkts,
                        "Total Transmit Packets");
        SYSCTL_ADD_QUAD(ctx, tx_stat_list, OID_AUTO, "total_tx_bytes",
                        CTLFLAG_RD, &stats->tx.t_tx_bytes,
                        "Total Transmit Bytes");
        SYSCTL_ADD_UINT(ctx, tx_stat_list, OID_AUTO, "total_tx_reqs",
                        CTLFLAG_RD, &stats->tx.t_tx_reqs, 0,
                        "Total Transmit Requests");
        SYSCTL_ADD_UINT(ctx, tx_stat_list, OID_AUTO, "total_tx_stops",
                        CTLFLAG_RD, &stats->tx.t_tx_stops, 0,
                        "Total Transmit Stops");
        SYSCTL_ADD_UINT(ctx, tx_stat_list, OID_AUTO, "total_tx_wrbs",
                        CTLFLAG_RD, &stats->tx.t_tx_wrbs, 0,
                        "Total Transmit WRB's");
        SYSCTL_ADD_UINT(ctx, tx_stat_list, OID_AUTO, "total_tx_compl",
                        CTLFLAG_RD, &stats->tx.t_tx_compl, 0,
                        "Total Transmit Completions");
        SYSCTL_ADD_UINT(ctx, tx_stat_list, OID_AUTO,
                        "total_ipv6_ext_hdr_tx_drop", CTLFLAG_RD,
                        &stats->tx.t_ipv6_ext_hdr_tx_drop, 0,
                        "Total Transmit IPV6 Drops");
        SYSCTL_ADD_UINT(ctx, tx_stat_list, OID_AUTO, "pauseframes",
                        CTLFLAG_RD, &stats->u0.be.tx_pauseframes, 0,
                        "Pause Frames");
        SYSCTL_ADD_UINT(ctx, tx_stat_list, OID_AUTO, "priority_pauseframes",
                        CTLFLAG_RD, &stats->u0.be.tx_priority_pauseframes, 0,
                        "Priority Pauseframes");
        SYSCTL_ADD_UINT(ctx, tx_stat_list, OID_AUTO, "controlframes",
                        CTLFLAG_RD, &stats->u0.be.tx_controlframes, 0,
                        "Tx Control Frames");

        for (i = 0; i < sc->nwqs; i++) {
                sprintf(prefix, "queue%d",i);
                queue_stats_node = SYSCTL_ADD_NODE(ctx, 
                    SYSCTL_CHILDREN(tx_stats_node), OID_AUTO, prefix,
                        CTLFLAG_RD | CTLFLAG_MPSAFE, NULL, "Queue name");
                queue_stats_list = SYSCTL_CHILDREN(queue_stats_node);

                SYSCTL_ADD_QUAD(ctx, queue_stats_list, OID_AUTO, "tx_pkts",
                        CTLFLAG_RD, &sc->wq[i]->tx_stats.tx_pkts,
                        "Transmit Packets");
                SYSCTL_ADD_QUAD(ctx, queue_stats_list, OID_AUTO, "tx_bytes",
                        CTLFLAG_RD, &sc->wq[i]->tx_stats.tx_bytes,
                        "Transmit Bytes");
                SYSCTL_ADD_UINT(ctx, queue_stats_list, OID_AUTO, "tx_reqs",
                        CTLFLAG_RD, &sc->wq[i]->tx_stats.tx_reqs, 0,
                        "Transmit Requests");
                SYSCTL_ADD_UINT(ctx, queue_stats_list, OID_AUTO, "tx_stops",
                        CTLFLAG_RD, &sc->wq[i]->tx_stats.tx_stops, 0,
                        "Transmit Stops");
                SYSCTL_ADD_UINT(ctx, queue_stats_list, OID_AUTO, "tx_wrbs",
                        CTLFLAG_RD, &sc->wq[i]->tx_stats.tx_wrbs, 0,
                        "Transmit WRB's");
                SYSCTL_ADD_UINT(ctx, queue_stats_list, OID_AUTO, "tx_compl",
                        CTLFLAG_RD, &sc->wq[i]->tx_stats.tx_compl, 0,
                        "Transmit Completions");
                SYSCTL_ADD_UINT(ctx, queue_stats_list, OID_AUTO,
                        "ipv6_ext_hdr_tx_drop",CTLFLAG_RD,
                        &sc->wq[i]->tx_stats.ipv6_ext_hdr_tx_drop, 0,
                        "Transmit IPV6 Ext Header Drop");
        }
        return;
}

static void
oce_add_stats_sysctls_xe201(POCE_SOFTC sc,
                                  struct sysctl_ctx_list *ctx,
                                  struct sysctl_oid *stats_node)
{
        struct sysctl_oid *rx_stats_node, *tx_stats_node;
        struct sysctl_oid_list *rx_stat_list, *tx_stat_list;
        struct sysctl_oid_list *queue_stats_list;
        struct sysctl_oid *queue_stats_node;
        struct oce_drv_stats *stats;
        char prefix[32];
        int i;

        stats = &sc->oce_stats_info;

        rx_stats_node = SYSCTL_ADD_NODE(ctx,
            SYSCTL_CHILDREN(stats_node), OID_AUTO, "rx",
            CTLFLAG_RD | CTLFLAG_MPSAFE, NULL,
            "RX Ethernet Statistics");
        rx_stat_list = SYSCTL_CHILDREN(rx_stats_node);

        SYSCTL_ADD_QUAD(ctx, rx_stat_list, OID_AUTO, "total_pkts",
                        CTLFLAG_RD, &stats->rx.t_rx_pkts,
                        "Total Received Packets");
        SYSCTL_ADD_QUAD(ctx, rx_stat_list, OID_AUTO, "total_bytes",
                        CTLFLAG_RD, &stats->rx.t_rx_bytes,
                        "Total Received Bytes");
        SYSCTL_ADD_UINT(ctx, rx_stat_list, OID_AUTO, "total_frags",
                        CTLFLAG_RD, &stats->rx.t_rx_frags, 0,
                        "Total Received Fragments");
        SYSCTL_ADD_UINT(ctx, rx_stat_list, OID_AUTO, "total_mcast_pkts",
                        CTLFLAG_RD, &stats->rx.t_rx_mcast_pkts, 0,
                        "Total Received Multicast Packets");
        SYSCTL_ADD_UINT(ctx, rx_stat_list, OID_AUTO, "total_ucast_pkts",
                        CTLFLAG_RD, &stats->rx.t_rx_ucast_pkts, 0,
                        "Total Received Unicast Packets");
        SYSCTL_ADD_UINT(ctx, rx_stat_list, OID_AUTO, "total_rxcp_errs",
                        CTLFLAG_RD, &stats->rx.t_rxcp_errs, 0,
                        "Total Receive completion errors");
        SYSCTL_ADD_UQUAD(ctx, rx_stat_list, OID_AUTO, "pause_frames",
                        CTLFLAG_RD, &stats->u0.xe201.rx_pause_frames,
                        "Pause Frames");
        SYSCTL_ADD_UQUAD(ctx, rx_stat_list, OID_AUTO, "control_frames",
                        CTLFLAG_RD, &stats->u0.xe201.rx_control_frames,
                        "Control Frames");

        for (i = 0; i < sc->nrqs; i++) {
                sprintf(prefix, "queue%d",i);
                queue_stats_node = SYSCTL_ADD_NODE(ctx, 
                    SYSCTL_CHILDREN(rx_stats_node), OID_AUTO, prefix,
                    CTLFLAG_RD | CTLFLAG_MPSAFE, NULL, "Queue name");
                queue_stats_list = SYSCTL_CHILDREN(queue_stats_node);
                
                SYSCTL_ADD_QUAD(ctx, queue_stats_list, OID_AUTO, "rx_pkts",
                        CTLFLAG_RD, &sc->rq[i]->rx_stats.rx_pkts,
                        "Receive Packets");
                SYSCTL_ADD_QUAD(ctx, queue_stats_list, OID_AUTO, "rx_bytes",
                        CTLFLAG_RD, &sc->rq[i]->rx_stats.rx_bytes,
                        "Received Bytes");
                SYSCTL_ADD_UINT(ctx, queue_stats_list, OID_AUTO, "rx_frags",
                        CTLFLAG_RD, &sc->rq[i]->rx_stats.rx_frags, 0,
                        "Received Fragments");
                SYSCTL_ADD_UINT(ctx, queue_stats_list, OID_AUTO,
                        "rx_mcast_pkts", CTLFLAG_RD,
                        &sc->rq[i]->rx_stats.rx_mcast_pkts, 0,
                        "Received Multicast Packets");
                SYSCTL_ADD_UINT(ctx, queue_stats_list, OID_AUTO,
                        "rx_ucast_pkts",CTLFLAG_RD,
                        &sc->rq[i]->rx_stats.rx_ucast_pkts, 0,
                        "Received Unicast Packets");
                SYSCTL_ADD_UINT(ctx, queue_stats_list, OID_AUTO, "rxcp_err",
                        CTLFLAG_RD, &sc->rq[i]->rx_stats.rxcp_err, 0,
                        "Received Completion Errors");
                
        }

        rx_stats_node = SYSCTL_ADD_NODE(ctx,
            SYSCTL_CHILDREN(rx_stats_node), OID_AUTO, "err",
                CTLFLAG_RD | CTLFLAG_MPSAFE, NULL, "Receive Error Stats");
        rx_stat_list = SYSCTL_CHILDREN(rx_stats_node);

        SYSCTL_ADD_UQUAD(ctx, rx_stat_list, OID_AUTO, "crc_errs",
                        CTLFLAG_RD, &stats->u0.xe201.rx_crc_errors,
                        "CRC Errors");
        SYSCTL_ADD_UQUAD(ctx, rx_stat_list, OID_AUTO, "alignment_errors",
                        CTLFLAG_RD, &stats->u0.xe201.rx_alignment_errors,
                        "RX Alignment Errors");
        SYSCTL_ADD_UINT(ctx, rx_stat_list, OID_AUTO, "in_range_errors",
                        CTLFLAG_RD, &stats->u0.xe201.rx_in_range_errors, 0,
                        "In Range Errors");
        SYSCTL_ADD_UINT(ctx, rx_stat_list, OID_AUTO, "out_range_errors",
                        CTLFLAG_RD, &stats->u0.xe201.rx_out_of_range_errors, 0,
                        "Out Range Errors");
        SYSCTL_ADD_UQUAD(ctx, rx_stat_list, OID_AUTO, "frame_too_long",
                        CTLFLAG_RD, &stats->u0.xe201.rx_frames_too_long,
                        "Frame Too Long");
        SYSCTL_ADD_UINT(ctx, rx_stat_list, OID_AUTO, "address_match_errors",
                        CTLFLAG_RD, &stats->u0.xe201.rx_address_match_errors, 0,
                        "Address Match Errors");
        SYSCTL_ADD_UINT(ctx, rx_stat_list, OID_AUTO, "dropped_too_small",
                        CTLFLAG_RD, &stats->u0.xe201.rx_dropped_too_small, 0,
                        "Dropped Too Small");
        SYSCTL_ADD_UINT(ctx, rx_stat_list, OID_AUTO, "dropped_too_short",
                        CTLFLAG_RD, &stats->u0.xe201.rx_dropped_too_short, 0,
                        "Dropped Too Short");
        SYSCTL_ADD_UINT(ctx, rx_stat_list, OID_AUTO,
                        "dropped_header_too_small", CTLFLAG_RD,
                        &stats->u0.xe201.rx_dropped_header_too_small, 0,
                        "Dropped Header Too Small");
        SYSCTL_ADD_UINT(ctx, rx_stat_list, OID_AUTO,
                        "dropped_tcp_length", CTLFLAG_RD,
                        &stats->u0.xe201.rx_dropped_invalid_tcp_length, 0,
                        "Dropped TCP Length");
        SYSCTL_ADD_UINT(ctx, rx_stat_list, OID_AUTO, "dropped_runt",
                        CTLFLAG_RD, &stats->u0.xe201.rx_dropped_runt, 0,
                        "Dropped runt");
        SYSCTL_ADD_UINT(ctx, rx_stat_list, OID_AUTO, "ip_checksum_errs",
                        CTLFLAG_RD, &stats->u0.xe201.rx_ip_checksum_errors, 0,
                        "IP Checksum Errors");
        SYSCTL_ADD_UINT(ctx, rx_stat_list, OID_AUTO, "tcp_checksum_errs",
                        CTLFLAG_RD, &stats->u0.xe201.rx_tcp_checksum_errors, 0,
                        "TCP Checksum Errors");
        SYSCTL_ADD_UINT(ctx, rx_stat_list, OID_AUTO, "udp_checksum_errs",
                        CTLFLAG_RD, &stats->u0.xe201.rx_udp_checksum_errors, 0,
                        "UDP Checksum Errors");
        SYSCTL_ADD_UINT(ctx, rx_stat_list, OID_AUTO, "input_fifo_overflow_drop",
                        CTLFLAG_RD, &stats->u0.xe201.rx_fifo_overflow, 0,
                        "Input FIFO Overflow Drop");

        tx_stats_node = SYSCTL_ADD_NODE(ctx,
            SYSCTL_CHILDREN(stats_node), OID_AUTO, "tx",
                CTLFLAG_RD | CTLFLAG_MPSAFE, NULL, "TX Ethernet Statistics");
        tx_stat_list = SYSCTL_CHILDREN(tx_stats_node);

        SYSCTL_ADD_QUAD(ctx, tx_stat_list, OID_AUTO, "total_tx_pkts",
                        CTLFLAG_RD, &stats->tx.t_tx_pkts,
                        "Total Transmit Packets");
        SYSCTL_ADD_QUAD(ctx, tx_stat_list, OID_AUTO, "total_tx_bytes",
                        CTLFLAG_RD, &stats->tx.t_tx_bytes,
                        "Total Transmit Bytes");
        SYSCTL_ADD_UINT(ctx, tx_stat_list, OID_AUTO, "total_tx_reqs",
                        CTLFLAG_RD, &stats->tx.t_tx_reqs, 0,
                        "Total Transmit Requests");
        SYSCTL_ADD_UINT(ctx, tx_stat_list, OID_AUTO, "total_tx_stops",
                        CTLFLAG_RD, &stats->tx.t_tx_stops, 0,
                        "Total Transmit Stops");
        SYSCTL_ADD_UINT(ctx, tx_stat_list, OID_AUTO, "total_tx_wrbs",
                        CTLFLAG_RD, &stats->tx.t_tx_wrbs, 0,
                        "Total Transmit WRB's");
        SYSCTL_ADD_UINT(ctx, tx_stat_list, OID_AUTO, "total_tx_compl",
                        CTLFLAG_RD, &stats->tx.t_tx_compl, 0,
                        "Total Transmit Completions");
        SYSCTL_ADD_UINT(ctx, tx_stat_list, OID_AUTO,
                        "total_ipv6_ext_hdr_tx_drop",
                        CTLFLAG_RD, &stats->tx.t_ipv6_ext_hdr_tx_drop, 0,
                        "Total Transmit IPV6 Drops");
        SYSCTL_ADD_UQUAD(ctx, tx_stat_list, OID_AUTO, "pauseframes",
                        CTLFLAG_RD, &stats->u0.xe201.tx_pause_frames,
                        "Pause Frames");
        SYSCTL_ADD_UQUAD(ctx, tx_stat_list, OID_AUTO, "controlframes",
                        CTLFLAG_RD, &stats->u0.xe201.tx_control_frames,
                        "Tx Control Frames");

        for (i = 0; i < sc->nwqs; i++) {
                sprintf(prefix, "queue%d",i);
                queue_stats_node = SYSCTL_ADD_NODE(ctx, 
                    SYSCTL_CHILDREN(tx_stats_node), OID_AUTO, prefix,
                        CTLFLAG_RD | CTLFLAG_MPSAFE, NULL, "Queue name");
                queue_stats_list = SYSCTL_CHILDREN(queue_stats_node);

                SYSCTL_ADD_QUAD(ctx, queue_stats_list, OID_AUTO, "tx_pkts",
                        CTLFLAG_RD, &sc->wq[i]->tx_stats.tx_pkts,
                        "Transmit Packets");
                SYSCTL_ADD_QUAD(ctx, queue_stats_list, OID_AUTO, "tx_bytes",
                        CTLFLAG_RD, &sc->wq[i]->tx_stats.tx_bytes,
                        "Transmit Bytes");
                SYSCTL_ADD_UINT(ctx, queue_stats_list, OID_AUTO, "tx_reqs",
                        CTLFLAG_RD, &sc->wq[i]->tx_stats.tx_reqs, 0,
                        "Transmit Requests");
                SYSCTL_ADD_UINT(ctx, queue_stats_list, OID_AUTO, "tx_stops",
                        CTLFLAG_RD, &sc->wq[i]->tx_stats.tx_stops, 0,
                        "Transmit Stops");
                SYSCTL_ADD_UINT(ctx, queue_stats_list, OID_AUTO, "tx_wrbs",
                        CTLFLAG_RD, &sc->wq[i]->tx_stats.tx_wrbs, 0,
                        "Transmit WRB's");
                SYSCTL_ADD_UINT(ctx, queue_stats_list, OID_AUTO, "tx_compl",
                        CTLFLAG_RD, &sc->wq[i]->tx_stats.tx_compl, 0,
                        "Transmit Completions");
                SYSCTL_ADD_UINT(ctx, queue_stats_list, OID_AUTO,
                        "ipv6_ext_hdr_tx_drop", CTLFLAG_RD,
                        &sc->wq[i]->tx_stats.ipv6_ext_hdr_tx_drop, 0,
                        "Transmit IPV6 Ext Header Drop");
        }
        return;
}

void 
oce_refresh_queue_stats(POCE_SOFTC sc)
{
        struct oce_drv_stats *adapter_stats;
        int i;

        adapter_stats = &sc->oce_stats_info;

        /* Caluculate total TX and TXstats from all queues */

        bzero(&adapter_stats->rx, sizeof(struct oce_rx_stats));
        for (i = 0; i < sc->nrqs; i++) {
                
                adapter_stats->rx.t_rx_pkts += sc->rq[i]->rx_stats.rx_pkts;
                adapter_stats->rx.t_rx_bytes += sc->rq[i]->rx_stats.rx_bytes;
                adapter_stats->rx.t_rx_frags += sc->rq[i]->rx_stats.rx_frags;
                adapter_stats->rx.t_rx_mcast_pkts += 
                                        sc->rq[i]->rx_stats.rx_mcast_pkts;
                adapter_stats->rx.t_rx_ucast_pkts +=
                                        sc->rq[i]->rx_stats.rx_ucast_pkts;
                adapter_stats->rx.t_rxcp_errs += sc-> rq[i]->rx_stats.rxcp_err;
        }

        bzero(&adapter_stats->tx, sizeof(struct oce_tx_stats));
        for (i = 0; i < sc->nwqs; i++) {
                adapter_stats->tx.t_tx_reqs += sc->wq[i]->tx_stats.tx_reqs;
                adapter_stats->tx.t_tx_stops += sc->wq[i]->tx_stats.tx_stops;
                adapter_stats->tx.t_tx_wrbs += sc->wq[i]->tx_stats.tx_wrbs;
                adapter_stats->tx.t_tx_compl += sc->wq[i]->tx_stats.tx_compl;
                adapter_stats->tx.t_tx_bytes += sc->wq[i]->tx_stats.tx_bytes;
                adapter_stats->tx.t_tx_pkts += sc->wq[i]->tx_stats.tx_pkts;
                adapter_stats->tx.t_ipv6_ext_hdr_tx_drop +=
                                sc->wq[i]->tx_stats.ipv6_ext_hdr_tx_drop;
        }

}

static void
copy_stats_to_sc_xe201(POCE_SOFTC sc)
{
        struct oce_xe201_stats *adapter_stats;
        struct mbx_get_pport_stats *nic_mbx;
        struct pport_stats *port_stats;

        nic_mbx = OCE_DMAPTR(&sc->stats_mem, struct mbx_get_pport_stats);
        port_stats = &nic_mbx->params.rsp.pps;
        adapter_stats = &sc->oce_stats_info.u0.xe201;

        adapter_stats->tx_pkts = port_stats->tx_pkts;
        adapter_stats->tx_unicast_pkts = port_stats->tx_unicast_pkts;
        adapter_stats->tx_multicast_pkts = port_stats->tx_multicast_pkts;
        adapter_stats->tx_broadcast_pkts = port_stats->tx_broadcast_pkts;
        adapter_stats->tx_bytes = port_stats->tx_bytes;
        adapter_stats->tx_unicast_bytes = port_stats->tx_unicast_bytes;
        adapter_stats->tx_multicast_bytes = port_stats->tx_multicast_bytes;
        adapter_stats->tx_broadcast_bytes = port_stats->tx_broadcast_bytes;
        adapter_stats->tx_discards = port_stats->tx_discards;
        adapter_stats->tx_errors = port_stats->tx_errors;
        adapter_stats->tx_pause_frames = port_stats->tx_pause_frames;
        adapter_stats->tx_pause_on_frames = port_stats->tx_pause_on_frames;
        adapter_stats->tx_pause_off_frames = port_stats->tx_pause_off_frames;
        adapter_stats->tx_internal_mac_errors =
                port_stats->tx_internal_mac_errors;
        adapter_stats->tx_control_frames = port_stats->tx_control_frames;
        adapter_stats->tx_pkts_64_bytes = port_stats->tx_pkts_64_bytes;
        adapter_stats->tx_pkts_65_to_127_bytes =
                port_stats->tx_pkts_65_to_127_bytes;
        adapter_stats->tx_pkts_128_to_255_bytes =
                port_stats->tx_pkts_128_to_255_bytes;
        adapter_stats->tx_pkts_256_to_511_bytes =
                port_stats->tx_pkts_256_to_511_bytes;
        adapter_stats->tx_pkts_512_to_1023_bytes =
                port_stats->tx_pkts_512_to_1023_bytes;
        adapter_stats->tx_pkts_1024_to_1518_bytes =
                port_stats->tx_pkts_1024_to_1518_bytes;
        adapter_stats->tx_pkts_1519_to_2047_bytes =
                port_stats->tx_pkts_1519_to_2047_bytes;
        adapter_stats->tx_pkts_2048_to_4095_bytes =
                port_stats->tx_pkts_2048_to_4095_bytes;
        adapter_stats->tx_pkts_4096_to_8191_bytes =
                port_stats->tx_pkts_4096_to_8191_bytes;
        adapter_stats->tx_pkts_8192_to_9216_bytes =
                port_stats->tx_pkts_8192_to_9216_bytes;
        adapter_stats->tx_lso_pkts = port_stats->tx_lso_pkts;
        adapter_stats->rx_pkts = port_stats->rx_pkts;
        adapter_stats->rx_unicast_pkts = port_stats->rx_unicast_pkts;
        adapter_stats->rx_multicast_pkts = port_stats->rx_multicast_pkts;
        adapter_stats->rx_broadcast_pkts = port_stats->rx_broadcast_pkts;
        adapter_stats->rx_bytes = port_stats->rx_bytes;
        adapter_stats->rx_unicast_bytes = port_stats->rx_unicast_bytes;
        adapter_stats->rx_multicast_bytes = port_stats->rx_multicast_bytes;
        adapter_stats->rx_broadcast_bytes = port_stats->rx_broadcast_bytes;
        adapter_stats->rx_unknown_protos = port_stats->rx_unknown_protos;
        adapter_stats->rx_discards = port_stats->rx_discards;
        adapter_stats->rx_errors = port_stats->rx_errors;
        adapter_stats->rx_crc_errors = port_stats->rx_crc_errors;
        adapter_stats->rx_alignment_errors = port_stats->rx_alignment_errors;
        adapter_stats->rx_symbol_errors = port_stats->rx_symbol_errors;
        adapter_stats->rx_pause_frames = port_stats->rx_pause_frames;
        adapter_stats->rx_pause_on_frames = port_stats->rx_pause_on_frames;
        adapter_stats->rx_pause_off_frames = port_stats->rx_pause_off_frames;
        adapter_stats->rx_frames_too_long = port_stats->rx_frames_too_long;
        adapter_stats->rx_internal_mac_errors =
                port_stats->rx_internal_mac_errors;
        adapter_stats->rx_undersize_pkts = port_stats->rx_undersize_pkts;
        adapter_stats->rx_oversize_pkts = port_stats->rx_oversize_pkts;
        adapter_stats->rx_fragment_pkts = port_stats->rx_fragment_pkts;
        adapter_stats->rx_jabbers = port_stats->rx_jabbers;
        adapter_stats->rx_control_frames = port_stats->rx_control_frames;
        adapter_stats->rx_control_frames_unknown_opcode =
                port_stats->rx_control_frames_unknown_opcode;
        adapter_stats->rx_in_range_errors = port_stats->rx_in_range_errors;
        adapter_stats->rx_out_of_range_errors =
                port_stats->rx_out_of_range_errors;
        adapter_stats->rx_address_match_errors =
                port_stats->rx_address_match_errors;
        adapter_stats->rx_vlan_mismatch_errors =
                port_stats->rx_vlan_mismatch_errors;
        adapter_stats->rx_dropped_too_small = port_stats->rx_dropped_too_small;
        adapter_stats->rx_dropped_too_short = port_stats->rx_dropped_too_short;
        adapter_stats->rx_dropped_header_too_small =
                port_stats->rx_dropped_header_too_small;
        adapter_stats->rx_dropped_invalid_tcp_length =
                port_stats->rx_dropped_invalid_tcp_length;
        adapter_stats->rx_dropped_runt = port_stats->rx_dropped_runt;
        adapter_stats->rx_ip_checksum_errors =
                port_stats->rx_ip_checksum_errors;
        adapter_stats->rx_tcp_checksum_errors =
                port_stats->rx_tcp_checksum_errors;
        adapter_stats->rx_udp_checksum_errors =
                port_stats->rx_udp_checksum_errors;
        adapter_stats->rx_non_rss_pkts = port_stats->rx_non_rss_pkts;
        adapter_stats->rx_ipv4_pkts = port_stats->rx_ipv4_pkts;
        adapter_stats->rx_ipv6_pkts = port_stats->rx_ipv6_pkts;
        adapter_stats->rx_ipv4_bytes = port_stats->rx_ipv4_bytes;
        adapter_stats->rx_ipv6_bytes = port_stats->rx_ipv6_bytes;
        adapter_stats->rx_nic_pkts = port_stats->rx_nic_pkts;
        adapter_stats->rx_tcp_pkts = port_stats->rx_tcp_pkts;
        adapter_stats->rx_iscsi_pkts = port_stats->rx_iscsi_pkts;
        adapter_stats->rx_management_pkts = port_stats->rx_management_pkts;
        adapter_stats->rx_switched_unicast_pkts =
                port_stats->rx_switched_unicast_pkts;
        adapter_stats->rx_switched_multicast_pkts =
                port_stats->rx_switched_multicast_pkts;
        adapter_stats->rx_switched_broadcast_pkts =
                port_stats->rx_switched_broadcast_pkts;
        adapter_stats->num_forwards = port_stats->num_forwards;
        adapter_stats->rx_fifo_overflow = port_stats->rx_fifo_overflow;
        adapter_stats->rx_input_fifo_overflow =
                port_stats->rx_input_fifo_overflow;
        adapter_stats->rx_drops_too_many_frags =
                port_stats->rx_drops_too_many_frags;
        adapter_stats->rx_drops_invalid_queue =
                port_stats->rx_drops_invalid_queue;
        adapter_stats->rx_drops_mtu = port_stats->rx_drops_mtu;
        adapter_stats->rx_pkts_64_bytes = port_stats->rx_pkts_64_bytes;
        adapter_stats->rx_pkts_65_to_127_bytes =
                port_stats->rx_pkts_65_to_127_bytes;
        adapter_stats->rx_pkts_128_to_255_bytes =
                port_stats->rx_pkts_128_to_255_bytes;
        adapter_stats->rx_pkts_256_to_511_bytes =
                port_stats->rx_pkts_256_to_511_bytes;
        adapter_stats->rx_pkts_512_to_1023_bytes =
                port_stats->rx_pkts_512_to_1023_bytes;
        adapter_stats->rx_pkts_1024_to_1518_bytes =
                port_stats->rx_pkts_1024_to_1518_bytes;
        adapter_stats->rx_pkts_1519_to_2047_bytes =
                port_stats->rx_pkts_1519_to_2047_bytes;
        adapter_stats->rx_pkts_2048_to_4095_bytes =
                port_stats->rx_pkts_2048_to_4095_bytes;
        adapter_stats->rx_pkts_4096_to_8191_bytes =
                port_stats->rx_pkts_4096_to_8191_bytes;
        adapter_stats->rx_pkts_8192_to_9216_bytes =
                port_stats->rx_pkts_8192_to_9216_bytes;
}

static void
copy_stats_to_sc_be2(POCE_SOFTC sc)
{
        struct oce_be_stats *adapter_stats;
        struct oce_pmem_stats *pmem;
        struct oce_rxf_stats_v0 *rxf_stats;
        struct oce_port_rxf_stats_v0 *port_stats;
        struct mbx_get_nic_stats_v0 *nic_mbx;
        uint32_t port = sc->port_id;

        nic_mbx = OCE_DMAPTR(&sc->stats_mem, struct mbx_get_nic_stats_v0);
        pmem = &nic_mbx->params.rsp.stats.pmem;
        rxf_stats = &nic_mbx->params.rsp.stats.rxf;
        port_stats = &nic_mbx->params.rsp.stats.rxf.port[port];

        adapter_stats = &sc->oce_stats_info.u0.be;

        /* Update stats */
        adapter_stats->rx_pause_frames = port_stats->rx_pause_frames;
        adapter_stats->rx_crc_errors = port_stats->rx_crc_errors;
        adapter_stats->rx_control_frames = port_stats->rx_control_frames;
        adapter_stats->rx_in_range_errors = port_stats->rx_in_range_errors;
        adapter_stats->rx_frame_too_long = port_stats->rx_frame_too_long;
        adapter_stats->rx_dropped_runt = port_stats->rx_dropped_runt;
        adapter_stats->rx_ip_checksum_errs = port_stats->rx_ip_checksum_errs;
        adapter_stats->rx_tcp_checksum_errs = port_stats->rx_tcp_checksum_errs;
        adapter_stats->rx_udp_checksum_errs = port_stats->rx_udp_checksum_errs;
        adapter_stats->rxpp_fifo_overflow_drop =
                                        port_stats->rxpp_fifo_overflow_drop;
        adapter_stats->rx_dropped_tcp_length =
                port_stats->rx_dropped_tcp_length;
        adapter_stats->rx_dropped_too_small = port_stats->rx_dropped_too_small;
        adapter_stats->rx_dropped_too_short = port_stats->rx_dropped_too_short;
        adapter_stats->rx_out_range_errors = port_stats->rx_out_range_errors;
        adapter_stats->rx_dropped_header_too_small =
                port_stats->rx_dropped_header_too_small;
        adapter_stats->rx_input_fifo_overflow_drop =
                port_stats->rx_input_fifo_overflow_drop;
        adapter_stats->rx_address_match_errors =
                port_stats->rx_address_match_errors;
        adapter_stats->rx_alignment_symbol_errors =
                port_stats->rx_alignment_symbol_errors;
        adapter_stats->tx_pauseframes = port_stats->tx_pauseframes;
        adapter_stats->tx_controlframes = port_stats->tx_controlframes;

        if (sc->if_id)
                adapter_stats->jabber_events = rxf_stats->port1_jabber_events;
        else
                adapter_stats->jabber_events = rxf_stats->port0_jabber_events;

        adapter_stats->rx_drops_no_pbuf = rxf_stats->rx_drops_no_pbuf;
        adapter_stats->rx_drops_no_txpb = rxf_stats->rx_drops_no_txpb;
        adapter_stats->rx_drops_no_erx_descr = rxf_stats->rx_drops_no_erx_descr;
        adapter_stats->rx_drops_invalid_ring = rxf_stats->rx_drops_invalid_ring;
        adapter_stats->forwarded_packets = rxf_stats->forwarded_packets;
        adapter_stats->rx_drops_mtu = rxf_stats->rx_drops_mtu;
        adapter_stats->rx_drops_no_tpre_descr =
                rxf_stats->rx_drops_no_tpre_descr;
        adapter_stats->rx_drops_too_many_frags =
                rxf_stats->rx_drops_too_many_frags;
        adapter_stats->eth_red_drops = pmem->eth_red_drops;
}

static void
copy_stats_to_sc_be3(POCE_SOFTC sc)
{
        struct oce_be_stats *adapter_stats;
        struct oce_pmem_stats *pmem;
        struct oce_rxf_stats_v1 *rxf_stats;
        struct oce_port_rxf_stats_v1 *port_stats;
        struct mbx_get_nic_stats_v1 *nic_mbx;
        uint32_t port = sc->port_id;

        nic_mbx = OCE_DMAPTR(&sc->stats_mem, struct mbx_get_nic_stats_v1);
        pmem = &nic_mbx->params.rsp.stats.pmem;
        rxf_stats = &nic_mbx->params.rsp.stats.rxf;
        port_stats = &nic_mbx->params.rsp.stats.rxf.port[port];

        adapter_stats = &sc->oce_stats_info.u0.be;

        /* Update stats */
        adapter_stats->pmem_fifo_overflow_drop =
                port_stats->pmem_fifo_overflow_drop;
        adapter_stats->rx_priority_pause_frames =
                port_stats->rx_priority_pause_frames;
        adapter_stats->rx_pause_frames = port_stats->rx_pause_frames;
        adapter_stats->rx_crc_errors = port_stats->rx_crc_errors;
        adapter_stats->rx_control_frames = port_stats->rx_control_frames;
        adapter_stats->rx_in_range_errors = port_stats->rx_in_range_errors;
        adapter_stats->rx_frame_too_long = port_stats->rx_frame_too_long;
        adapter_stats->rx_dropped_runt = port_stats->rx_dropped_runt;
        adapter_stats->rx_ip_checksum_errs = port_stats->rx_ip_checksum_errs;
        adapter_stats->rx_tcp_checksum_errs = port_stats->rx_tcp_checksum_errs;
        adapter_stats->rx_udp_checksum_errs = port_stats->rx_udp_checksum_errs;
        adapter_stats->rx_dropped_tcp_length =
                port_stats->rx_dropped_tcp_length;
        adapter_stats->rx_dropped_too_small = port_stats->rx_dropped_too_small;
        adapter_stats->rx_dropped_too_short = port_stats->rx_dropped_too_short;
        adapter_stats->rx_out_range_errors = port_stats->rx_out_range_errors;
        adapter_stats->rx_dropped_header_too_small =
                port_stats->rx_dropped_header_too_small;
        adapter_stats->rx_input_fifo_overflow_drop =
                port_stats->rx_input_fifo_overflow_drop;
        adapter_stats->rx_address_match_errors =
                port_stats->rx_address_match_errors;
        adapter_stats->rx_alignment_symbol_errors =
                port_stats->rx_alignment_symbol_errors;
        adapter_stats->rxpp_fifo_overflow_drop =
                port_stats->rxpp_fifo_overflow_drop;
        adapter_stats->tx_pauseframes = port_stats->tx_pauseframes;
        adapter_stats->tx_controlframes = port_stats->tx_controlframes;
        adapter_stats->jabber_events = port_stats->jabber_events;

        adapter_stats->rx_drops_no_pbuf = rxf_stats->rx_drops_no_pbuf;
        adapter_stats->rx_drops_no_txpb = rxf_stats->rx_drops_no_txpb;
        adapter_stats->rx_drops_no_erx_descr = rxf_stats->rx_drops_no_erx_descr;
        adapter_stats->rx_drops_invalid_ring = rxf_stats->rx_drops_invalid_ring;
        adapter_stats->forwarded_packets = rxf_stats->forwarded_packets;
        adapter_stats->rx_drops_mtu = rxf_stats->rx_drops_mtu;
        adapter_stats->rx_drops_no_tpre_descr =
                rxf_stats->rx_drops_no_tpre_descr;
        adapter_stats->rx_drops_too_many_frags =
                rxf_stats->rx_drops_too_many_frags;

        adapter_stats->eth_red_drops = pmem->eth_red_drops;
}

static void
copy_stats_to_sc_sh(POCE_SOFTC sc)
{
        struct oce_be_stats *adapter_stats;
        struct oce_pmem_stats *pmem;
        struct oce_rxf_stats_v2 *rxf_stats;
        struct oce_port_rxf_stats_v2 *port_stats;
        struct mbx_get_nic_stats_v2 *nic_mbx;
        struct oce_erx_stats_v2 *erx_stats;
        uint32_t port = sc->port_id;

        nic_mbx = OCE_DMAPTR(&sc->stats_mem, struct mbx_get_nic_stats_v2);
        pmem = &nic_mbx->params.rsp.stats.pmem;
        rxf_stats = &nic_mbx->params.rsp.stats.rxf;
        erx_stats = &nic_mbx->params.rsp.stats.erx;
        port_stats = &nic_mbx->params.rsp.stats.rxf.port[port];

        adapter_stats = &sc->oce_stats_info.u0.be;

        /* Update stats */
        adapter_stats->pmem_fifo_overflow_drop =
                port_stats->pmem_fifo_overflow_drop;
        adapter_stats->rx_priority_pause_frames =
                port_stats->rx_priority_pause_frames;
        adapter_stats->rx_pause_frames = port_stats->rx_pause_frames;
        adapter_stats->rx_crc_errors = port_stats->rx_crc_errors;
        adapter_stats->rx_control_frames = port_stats->rx_control_frames;
        adapter_stats->rx_in_range_errors = port_stats->rx_in_range_errors;
        adapter_stats->rx_frame_too_long = port_stats->rx_frame_too_long;
        adapter_stats->rx_dropped_runt = port_stats->rx_dropped_runt;
        adapter_stats->rx_ip_checksum_errs = port_stats->rx_ip_checksum_errs;
        adapter_stats->rx_tcp_checksum_errs = port_stats->rx_tcp_checksum_errs;
        adapter_stats->rx_udp_checksum_errs = port_stats->rx_udp_checksum_errs;
        adapter_stats->rx_dropped_tcp_length =
                port_stats->rx_dropped_tcp_length;
        adapter_stats->rx_dropped_too_small = port_stats->rx_dropped_too_small;
        adapter_stats->rx_dropped_too_short = port_stats->rx_dropped_too_short;
        adapter_stats->rx_out_range_errors = port_stats->rx_out_range_errors;
        adapter_stats->rx_dropped_header_too_small =
                port_stats->rx_dropped_header_too_small;
        adapter_stats->rx_input_fifo_overflow_drop =
                port_stats->rx_input_fifo_overflow_drop;
        adapter_stats->rx_address_match_errors =
                port_stats->rx_address_match_errors;
        adapter_stats->rx_alignment_symbol_errors =
                port_stats->rx_alignment_symbol_errors;
        adapter_stats->rxpp_fifo_overflow_drop =
                port_stats->rxpp_fifo_overflow_drop;
        adapter_stats->tx_pauseframes = port_stats->tx_pauseframes;
        adapter_stats->tx_controlframes = port_stats->tx_controlframes;
        adapter_stats->jabber_events = port_stats->jabber_events;

        adapter_stats->rx_drops_no_pbuf = rxf_stats->rx_drops_no_pbuf;
        adapter_stats->rx_drops_no_txpb = rxf_stats->rx_drops_no_txpb;
        adapter_stats->rx_drops_no_erx_descr = rxf_stats->rx_drops_no_erx_descr;
        adapter_stats->rx_drops_invalid_ring = rxf_stats->rx_drops_invalid_ring;
        adapter_stats->forwarded_packets = rxf_stats->forwarded_packets;
        adapter_stats->rx_drops_mtu = rxf_stats->rx_drops_mtu;
        adapter_stats->rx_drops_no_tpre_descr =
                rxf_stats->rx_drops_no_tpre_descr;
        adapter_stats->rx_drops_too_many_frags =
                rxf_stats->rx_drops_too_many_frags;

        adapter_stats->eth_red_drops = pmem->eth_red_drops;

        /* populate erx stats */
        for (int i = 0; i < sc->nrqs; i++) 
                sc->rq[i]->rx_stats.rx_drops_no_frags = erx_stats->rx_drops_no_fragments[sc->rq[i]->rq_id];
}

int
oce_stats_init(POCE_SOFTC sc)
{
        int rc = 0, sz = 0;

        if( IS_BE2(sc) ) 
                sz = sizeof(struct mbx_get_nic_stats_v0);
        else if( IS_BE3(sc) ) 
                sz = sizeof(struct mbx_get_nic_stats_v1);
        else if( IS_SH(sc)) 
                sz = sizeof(struct mbx_get_nic_stats_v2);
        else if( IS_XE201(sc) )
                sz = sizeof(struct mbx_get_pport_stats);

        rc = oce_dma_alloc(sc, sz, &sc->stats_mem, 0);

        return rc;
}

void
oce_stats_free(POCE_SOFTC sc)
{

        oce_dma_free(sc, &sc->stats_mem);

}

int
oce_refresh_nic_stats(POCE_SOFTC sc)
{
        int rc = 0, reset = 0;

        if( IS_BE2(sc) ) {
                rc = oce_mbox_get_nic_stats_v0(sc, &sc->stats_mem);
                if (!rc)
                        copy_stats_to_sc_be2(sc);
        }else if( IS_BE3(sc) ) {
                rc = oce_mbox_get_nic_stats_v1(sc, &sc->stats_mem);
                if (!rc)
                        copy_stats_to_sc_be3(sc);
        }else if( IS_SH(sc)) {
                rc = oce_mbox_get_nic_stats_v2(sc, &sc->stats_mem);
                if (!rc)
                        copy_stats_to_sc_sh(sc);
        }else if( IS_XE201(sc) ){
                rc = oce_mbox_get_pport_stats(sc, &sc->stats_mem, reset);
                if (!rc)
                        copy_stats_to_sc_xe201(sc);
        }

        return rc;
}

static int 
oce_sysctl_sfp_vpd_dump(SYSCTL_HANDLER_ARGS)
{
        int result = 0, error;
        int rc = 0;
        POCE_SOFTC sc = (POCE_SOFTC) arg1;

        /* sysctl default handler */
        error = sysctl_handle_int(oidp, &result, 0, req);
        if (error || !req->newptr)
                return (error);

        if(result == -1) {
                return EINVAL;
        }
        bzero((char *)sfp_vpd_dump_buffer, TRANSCEIVER_DATA_SIZE);

        rc = oce_mbox_read_transrecv_data(sc, PAGE_NUM_A0);
        if(rc)
                return rc;

        rc = oce_mbox_read_transrecv_data(sc, PAGE_NUM_A2);
        if(rc)
                return rc;

        return rc;
}