/*
 * Copyright (c) 2017-2018 Cavium, Inc. 
 * 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.
 *
 *  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.
 */

/*
 * File : ecore_dcbx.c
 */
#include <sys/cdefs.h>
#include "bcm_osal.h"
#include "ecore.h"
#include "ecore_sp_commands.h"
#include "ecore_dcbx.h"
#include "ecore_cxt.h"
#include "ecore_gtt_reg_addr.h"
#include "ecore_iro.h"
#ifdef CONFIG_ECORE_ROCE
#include "ecore_rdma.h"
#endif
#include "ecore_iov_api.h"

#define ECORE_DCBX_MAX_MIB_READ_TRY     (100)
#define ECORE_ETH_TYPE_DEFAULT          (0)
#define ECORE_ETH_TYPE_ROCE             (0x8915)
#define ECORE_UDP_PORT_TYPE_ROCE_V2     (0x12B7)
#define ECORE_ETH_TYPE_FCOE             (0x8906)
#define ECORE_TCP_PORT_ISCSI            (0xCBC)

#define ECORE_DCBX_INVALID_PRIORITY     0xFF

/* Get Traffic Class from priority traffic class table, 4 bits represent
 * the traffic class corresponding to the priority.
 */
#define ECORE_DCBX_PRIO2TC(prio_tc_tbl, prio) \
                ((u32)(prio_tc_tbl >> ((7 - prio) * 4)) & 0x7)

static bool ecore_dcbx_app_ethtype(u32 app_info_bitmap)
{
        return !!(GET_MFW_FIELD(app_info_bitmap, DCBX_APP_SF) ==
                  DCBX_APP_SF_ETHTYPE);
}

static bool ecore_dcbx_ieee_app_ethtype(u32 app_info_bitmap)
{
        u8 mfw_val = GET_MFW_FIELD(app_info_bitmap, DCBX_APP_SF_IEEE);

        /* Old MFW */
        if (mfw_val == DCBX_APP_SF_IEEE_RESERVED)
                return ecore_dcbx_app_ethtype(app_info_bitmap);

        return !!(mfw_val == DCBX_APP_SF_IEEE_ETHTYPE);
}

static bool ecore_dcbx_app_port(u32 app_info_bitmap)
{
        return !!(GET_MFW_FIELD(app_info_bitmap, DCBX_APP_SF) ==
                  DCBX_APP_SF_PORT);
}

static bool ecore_dcbx_ieee_app_port(u32 app_info_bitmap, u8 type)
{
        u8 mfw_val = GET_MFW_FIELD(app_info_bitmap, DCBX_APP_SF_IEEE);

        /* Old MFW */
        if (mfw_val == DCBX_APP_SF_IEEE_RESERVED)
                return ecore_dcbx_app_port(app_info_bitmap);

        return !!(mfw_val == type || mfw_val == DCBX_APP_SF_IEEE_TCP_UDP_PORT);
}

static bool ecore_dcbx_default_tlv(u32 app_info_bitmap, u16 proto_id, bool ieee)
{
        bool ethtype;

        if (ieee)
                ethtype = ecore_dcbx_ieee_app_ethtype(app_info_bitmap);
        else
                ethtype = ecore_dcbx_app_ethtype(app_info_bitmap);

        return !!(ethtype && (proto_id == ECORE_ETH_TYPE_DEFAULT));
}

static bool ecore_dcbx_iscsi_tlv(u32 app_info_bitmap, u16 proto_id, bool ieee)
{
        bool port;

        if (ieee)
                port = ecore_dcbx_ieee_app_port(app_info_bitmap,
                                                DCBX_APP_SF_IEEE_TCP_PORT);
        else
                port = ecore_dcbx_app_port(app_info_bitmap);

        return !!(port && (proto_id == ECORE_TCP_PORT_ISCSI));
}

static bool ecore_dcbx_fcoe_tlv(u32 app_info_bitmap, u16 proto_id, bool ieee)
{
        bool ethtype;

        if (ieee)
                ethtype = ecore_dcbx_ieee_app_ethtype(app_info_bitmap);
        else
                ethtype = ecore_dcbx_app_ethtype(app_info_bitmap);

        return !!(ethtype && (proto_id == ECORE_ETH_TYPE_FCOE));
}

static bool ecore_dcbx_roce_tlv(u32 app_info_bitmap, u16 proto_id, bool ieee)
{
        bool ethtype;

        if (ieee)
                ethtype = ecore_dcbx_ieee_app_ethtype(app_info_bitmap);
        else
                ethtype = ecore_dcbx_app_ethtype(app_info_bitmap);

        return !!(ethtype && (proto_id == ECORE_ETH_TYPE_ROCE));
}

static bool ecore_dcbx_roce_v2_tlv(u32 app_info_bitmap, u16 proto_id, bool ieee)
{
        bool port;

        if (ieee)
                port = ecore_dcbx_ieee_app_port(app_info_bitmap,
                                                DCBX_APP_SF_IEEE_UDP_PORT);
        else
                port = ecore_dcbx_app_port(app_info_bitmap);

        return !!(port && (proto_id == ECORE_UDP_PORT_TYPE_ROCE_V2));
}

static bool ecore_dcbx_iwarp_tlv(struct ecore_hwfn *p_hwfn, u32 app_info_bitmap,
                                 u16 proto_id, bool ieee)
{
        bool port;

        if (!p_hwfn->p_dcbx_info->iwarp_port)
                return false;

        if (ieee)
                port = ecore_dcbx_ieee_app_port(app_info_bitmap,
                                                DCBX_APP_SF_IEEE_TCP_PORT);
        else
                port = ecore_dcbx_app_port(app_info_bitmap);

        return !!(port && (proto_id == p_hwfn->p_dcbx_info->iwarp_port));
}

static void
ecore_dcbx_dp_protocol(struct ecore_hwfn *p_hwfn,
                       struct ecore_dcbx_results *p_data)
{
        enum dcbx_protocol_type id;
        int i;

        DP_VERBOSE(p_hwfn, ECORE_MSG_DCB, "DCBX negotiated: %d\n",
                   p_data->dcbx_enabled);

        for (i = 0; i < OSAL_ARRAY_SIZE(ecore_dcbx_app_update); i++) {
                id = ecore_dcbx_app_update[i].id;

                DP_VERBOSE(p_hwfn, ECORE_MSG_DCB,
                           "%s info: update %d, enable %d, prio %d, tc %d, num_active_tc %d dscp_enable = %d dscp_val = %d\n",
                           ecore_dcbx_app_update[i].name, p_data->arr[id].update,
                           p_data->arr[id].enable, p_data->arr[id].priority,
                           p_data->arr[id].tc, p_hwfn->hw_info.num_active_tc,
                           p_data->arr[id].dscp_enable,
                           p_data->arr[id].dscp_val);
        }
}

u8 ecore_dcbx_get_dscp_value(struct ecore_hwfn *p_hwfn, u8 pri)
{
        struct ecore_dcbx_dscp_params *dscp = &p_hwfn->p_dcbx_info->get.dscp;
        u8 i;

        if (!dscp->enabled)
                return ECORE_DCBX_DSCP_DISABLED;

        for (i = 0; i < ECORE_DCBX_DSCP_SIZE; i++)
                if (pri == dscp->dscp_pri_map[i])
                        return i;

        return ECORE_DCBX_DSCP_DISABLED;
}

static void
ecore_dcbx_set_params(struct ecore_dcbx_results *p_data,
                      struct ecore_hwfn *p_hwfn, struct ecore_ptt *p_ptt,
                      bool enable, u8 prio, u8 tc,
                      enum dcbx_protocol_type type,
                      enum ecore_pci_personality personality)
{
        /* PF update ramrod data */
        p_data->arr[type].enable = enable;
        p_data->arr[type].priority = prio;
        p_data->arr[type].tc = tc;
        p_data->arr[type].dscp_val = ecore_dcbx_get_dscp_value(p_hwfn, prio);
        if (p_data->arr[type].dscp_val == ECORE_DCBX_DSCP_DISABLED) {
                p_data->arr[type].dscp_enable = false;
                p_data->arr[type].dscp_val = 0;
        } else
                p_data->arr[type].dscp_enable = enable;

        p_data->arr[type].update = UPDATE_DCB_DSCP;

        /* Do not add valn tag 0 when DCB is enabled and port is in UFP mode */
        if (OSAL_TEST_BIT(ECORE_MF_UFP_SPECIFIC, &p_hwfn->p_dev->mf_bits))
                p_data->arr[type].dont_add_vlan0 = true;

        /* QM reconf data */
        if (p_hwfn->hw_info.personality == personality)
                p_hwfn->hw_info.offload_tc = tc;

        /* Configure dcbx vlan priority in doorbell block for roce EDPM */
        if (OSAL_TEST_BIT(ECORE_MF_UFP_SPECIFIC, &p_hwfn->p_dev->mf_bits) &&
            (type == DCBX_PROTOCOL_ROCE)) {
                ecore_wr(p_hwfn, p_ptt, DORQ_REG_TAG1_OVRD_MODE, 1);
                ecore_wr(p_hwfn, p_ptt, DORQ_REG_PF_PCP_BB_K2, prio << 1);
        }
}

/* Update app protocol data and hw_info fields with the TLV info */
static void
ecore_dcbx_update_app_info(struct ecore_dcbx_results *p_data,
                           struct ecore_hwfn *p_hwfn, struct ecore_ptt *p_ptt,
                           bool enable, u8 prio, u8 tc,
                           enum dcbx_protocol_type type)
{
        enum ecore_pci_personality personality;
        enum dcbx_protocol_type id;
        int i;

        for (i = 0; i < OSAL_ARRAY_SIZE(ecore_dcbx_app_update); i++) {
                id = ecore_dcbx_app_update[i].id;

                if (type != id)
                        continue;

                personality = ecore_dcbx_app_update[i].personality;

                ecore_dcbx_set_params(p_data, p_hwfn, p_ptt, enable,
                                      prio, tc, type, personality);
        }
}

static enum _ecore_status_t
ecore_dcbx_get_app_priority(u8 pri_bitmap, u8 *priority)
{
        u32 pri_mask, pri = ECORE_MAX_PFC_PRIORITIES;
        u32 index = ECORE_MAX_PFC_PRIORITIES - 1;
        enum _ecore_status_t rc = ECORE_SUCCESS;

        /* Bitmap 1 corresponds to priority 0, return priority 0 */
        if (pri_bitmap == 1) {
                *priority = 0;
                return rc;
        }

        /* Choose the highest priority */
        while ((ECORE_MAX_PFC_PRIORITIES == pri) && index) {
                pri_mask = 1 << index;
                if (pri_bitmap & pri_mask)
                        pri = index;
                index--;
        }

        if (pri < ECORE_MAX_PFC_PRIORITIES)
                *priority = (u8)pri;
        else
                rc = ECORE_INVAL;

        return rc;
}

static bool
ecore_dcbx_get_app_protocol_type(struct ecore_hwfn *p_hwfn,
                                 u32 app_prio_bitmap, u16 id,
                                 enum dcbx_protocol_type *type, bool ieee)
{
        if (ecore_dcbx_fcoe_tlv(app_prio_bitmap, id, ieee)) {
                *type = DCBX_PROTOCOL_FCOE;
        } else if (ecore_dcbx_roce_tlv(app_prio_bitmap, id, ieee)) {
                *type = DCBX_PROTOCOL_ROCE;
        } else if (ecore_dcbx_iscsi_tlv(app_prio_bitmap, id, ieee)) {
                *type = DCBX_PROTOCOL_ISCSI;
        } else if (ecore_dcbx_default_tlv(app_prio_bitmap, id, ieee)) {
                *type = DCBX_PROTOCOL_ETH;
        } else if (ecore_dcbx_roce_v2_tlv(app_prio_bitmap, id, ieee)) {
                *type = DCBX_PROTOCOL_ROCE_V2;
        } else if (ecore_dcbx_iwarp_tlv(p_hwfn, app_prio_bitmap, id, ieee)) {
                *type = DCBX_PROTOCOL_IWARP;
        } else {
                *type = DCBX_MAX_PROTOCOL_TYPE;
                DP_VERBOSE(p_hwfn, ECORE_MSG_DCB,
                           "No action required, App TLV entry = 0x%x\n",
                           app_prio_bitmap);
                return false;
        }

        return true;
}

/* Parse app TLV's to update TC information in hw_info structure for
 * reconfiguring QM. Get protocol specific data for PF update ramrod command.
 */
static enum _ecore_status_t
ecore_dcbx_process_tlv(struct ecore_hwfn *p_hwfn, struct ecore_ptt *p_ptt,
                       struct ecore_dcbx_results *p_data,
                       struct dcbx_app_priority_entry *p_tbl, u32 pri_tc_tbl,
                       int count, u8 dcbx_version)
{
        enum dcbx_protocol_type type;
        bool enable, ieee, eth_tlv;
        u8 tc, priority_map;
        u16 protocol_id;
        u8 priority;
        enum _ecore_status_t rc = ECORE_SUCCESS;
        int i;

        DP_VERBOSE(p_hwfn, ECORE_MSG_DCB,
                   "Num APP entries = %d pri_tc_tbl = 0x%x dcbx_version = %u\n",
                   count, pri_tc_tbl, dcbx_version);

        ieee = (dcbx_version == DCBX_CONFIG_VERSION_IEEE);
        eth_tlv = false;
        /* Parse APP TLV */
        for (i = 0; i < count; i++) {
                protocol_id = GET_MFW_FIELD(p_tbl[i].entry,
                                            DCBX_APP_PROTOCOL_ID);
                priority_map = GET_MFW_FIELD(p_tbl[i].entry, DCBX_APP_PRI_MAP);
                DP_VERBOSE(p_hwfn, ECORE_MSG_DCB, "Id = 0x%x pri_map = %u\n",
                           protocol_id, priority_map);
                rc = ecore_dcbx_get_app_priority(priority_map, &priority);
                if (rc == ECORE_INVAL) {
                        DP_ERR(p_hwfn, "Invalid priority\n");
                        return ECORE_INVAL;
                }

                tc = ECORE_DCBX_PRIO2TC(pri_tc_tbl, priority);
                if (ecore_dcbx_get_app_protocol_type(p_hwfn, p_tbl[i].entry,
                                                     protocol_id, &type,
                                                     ieee)) {
                        /* ETH always have the enable bit reset, as it gets
                         * vlan information per packet. For other protocols,
                         * should be set according to the dcbx_enabled
                         * indication, but we only got here if there was an
                         * app tlv for the protocol, so dcbx must be enabled.
                         */
                        if (type == DCBX_PROTOCOL_ETH) {
                                enable = false;
                                eth_tlv = true;
                        } else
                                enable = true;

                        ecore_dcbx_update_app_info(p_data, p_hwfn, p_ptt,
                                                   enable, priority, tc, type);
                }
        }

        /* If Eth TLV is not detected, use UFP TC as default TC */
        if (OSAL_TEST_BIT(ECORE_MF_UFP_SPECIFIC,
                          &p_hwfn->p_dev->mf_bits) && !eth_tlv)
                p_data->arr[DCBX_PROTOCOL_ETH].tc = p_hwfn->ufp_info.tc;

        /* Update ramrod protocol data and hw_info fields
         * with default info when corresponding APP TLV's are not detected.
         * The enabled field has a different logic for ethernet as only for
         * ethernet dcb should disabled by default, as the information arrives
         * from the OS (unless an explicit app tlv was present).
         */
        tc = p_data->arr[DCBX_PROTOCOL_ETH].tc;
        priority = p_data->arr[DCBX_PROTOCOL_ETH].priority;
        for (type = 0; type < DCBX_MAX_PROTOCOL_TYPE; type++) {
                if (p_data->arr[type].update)
                        continue;

                /* if no app tlv was present, don't override in FW */
                ecore_dcbx_update_app_info(p_data, p_hwfn, p_ptt, false,
                                           priority, tc, type);
        }

        return ECORE_SUCCESS;
}

/* Parse app TLV's to update TC information in hw_info structure for
 * reconfiguring QM. Get protocol specific data for PF update ramrod command.
 */
static enum _ecore_status_t
ecore_dcbx_process_mib_info(struct ecore_hwfn *p_hwfn, struct ecore_ptt *p_ptt)
{
        struct dcbx_app_priority_feature *p_app;
        struct dcbx_app_priority_entry *p_tbl;
        struct ecore_dcbx_results data = { 0 };
        struct dcbx_ets_feature *p_ets;
        struct ecore_hw_info *p_info;
        u32 pri_tc_tbl, flags;
        u8 dcbx_version;
        int num_entries;
        enum _ecore_status_t rc = ECORE_SUCCESS;

        flags = p_hwfn->p_dcbx_info->operational.flags;
        dcbx_version = GET_MFW_FIELD(flags, DCBX_CONFIG_VERSION);

        p_app = &p_hwfn->p_dcbx_info->operational.features.app;
        p_tbl = p_app->app_pri_tbl;

        p_ets = &p_hwfn->p_dcbx_info->operational.features.ets;
        pri_tc_tbl = p_ets->pri_tc_tbl[0];

        p_info = &p_hwfn->hw_info;
        num_entries = GET_MFW_FIELD(p_app->flags, DCBX_APP_NUM_ENTRIES);

        rc = ecore_dcbx_process_tlv(p_hwfn, p_ptt, &data, p_tbl, pri_tc_tbl,
                                    num_entries, dcbx_version);
        if (rc != ECORE_SUCCESS)
                return rc;

        p_info->num_active_tc = GET_MFW_FIELD(p_ets->flags, DCBX_ETS_MAX_TCS);
        p_hwfn->qm_info.ooo_tc = GET_MFW_FIELD(p_ets->flags, DCBX_OOO_TC);
        data.pf_id = p_hwfn->rel_pf_id;
        data.dcbx_enabled = !!dcbx_version;

        ecore_dcbx_dp_protocol(p_hwfn, &data);

        OSAL_MEMCPY(&p_hwfn->p_dcbx_info->results, &data,
                    sizeof(struct ecore_dcbx_results));

        return ECORE_SUCCESS;
}

static enum _ecore_status_t
ecore_dcbx_copy_mib(struct ecore_hwfn *p_hwfn,
                    struct ecore_ptt *p_ptt,
                    struct ecore_dcbx_mib_meta_data *p_data,
                    enum ecore_mib_read_type type)
{
        u32 prefix_seq_num, suffix_seq_num;
        int read_count = 0;
        enum _ecore_status_t rc = ECORE_SUCCESS;

        /* The data is considered to be valid only if both sequence numbers are
         * the same.
         */
        do {
                if (type == ECORE_DCBX_REMOTE_LLDP_MIB) {
                        ecore_memcpy_from(p_hwfn, p_ptt, p_data->lldp_remote,
                                          p_data->addr, p_data->size);
                        prefix_seq_num = p_data->lldp_remote->prefix_seq_num;
                        suffix_seq_num = p_data->lldp_remote->suffix_seq_num;
                } else if (type == ECORE_DCBX_LLDP_TLVS) {
                        ecore_memcpy_from(p_hwfn, p_ptt, p_data->lldp_tlvs,
                                          p_data->addr, p_data->size);
                        prefix_seq_num = p_data->lldp_tlvs->prefix_seq_num;
                        suffix_seq_num = p_data->lldp_tlvs->suffix_seq_num;

                } else {
                        ecore_memcpy_from(p_hwfn, p_ptt, p_data->mib,
                                          p_data->addr, p_data->size);
                        prefix_seq_num = p_data->mib->prefix_seq_num;
                        suffix_seq_num = p_data->mib->suffix_seq_num;
                }
                read_count++;

                DP_VERBOSE(p_hwfn, ECORE_MSG_DCB,
                           "mib type = %d, try count = %d prefix seq num  = %d suffix seq num = %d\n",
                           type, read_count, prefix_seq_num, suffix_seq_num);
        } while ((prefix_seq_num != suffix_seq_num) &&
                 (read_count < ECORE_DCBX_MAX_MIB_READ_TRY));

        if (read_count >= ECORE_DCBX_MAX_MIB_READ_TRY) {
                DP_ERR(p_hwfn,
                       "MIB read err, mib type = %d, try count = %d prefix seq num = %d suffix seq num = %d\n",
                       type, read_count, prefix_seq_num, suffix_seq_num);
                rc = ECORE_IO;
        }

        return rc;
}

static void
ecore_dcbx_get_priority_info(struct ecore_hwfn *p_hwfn,
                             struct ecore_dcbx_app_prio *p_prio,
                             struct ecore_dcbx_results *p_results)
{
        u8 val;

        p_prio->roce = ECORE_DCBX_INVALID_PRIORITY;
        p_prio->roce_v2 = ECORE_DCBX_INVALID_PRIORITY;
        p_prio->iscsi = ECORE_DCBX_INVALID_PRIORITY;
        p_prio->fcoe = ECORE_DCBX_INVALID_PRIORITY;

        if (p_results->arr[DCBX_PROTOCOL_ROCE].update &&
            p_results->arr[DCBX_PROTOCOL_ROCE].enable)
                p_prio->roce = p_results->arr[DCBX_PROTOCOL_ROCE].priority;

        if (p_results->arr[DCBX_PROTOCOL_ROCE_V2].update &&
            p_results->arr[DCBX_PROTOCOL_ROCE_V2].enable) {
                val = p_results->arr[DCBX_PROTOCOL_ROCE_V2].priority;
                p_prio->roce_v2 = val;
        }

        if (p_results->arr[DCBX_PROTOCOL_ISCSI].update &&
            p_results->arr[DCBX_PROTOCOL_ISCSI].enable)
                p_prio->iscsi = p_results->arr[DCBX_PROTOCOL_ISCSI].priority;

        if (p_results->arr[DCBX_PROTOCOL_FCOE].update &&
            p_results->arr[DCBX_PROTOCOL_FCOE].enable)
                p_prio->fcoe = p_results->arr[DCBX_PROTOCOL_FCOE].priority;

        if (p_results->arr[DCBX_PROTOCOL_ETH].update &&
            p_results->arr[DCBX_PROTOCOL_ETH].enable)
                p_prio->eth = p_results->arr[DCBX_PROTOCOL_ETH].priority;

        DP_VERBOSE(p_hwfn, ECORE_MSG_DCB,
                   "Priorities: iscsi %d, roce %d, roce v2 %d, fcoe %d, eth %d\n",
                   p_prio->iscsi, p_prio->roce, p_prio->roce_v2, p_prio->fcoe,
                   p_prio->eth);
}

static void
ecore_dcbx_get_app_data(struct ecore_hwfn *p_hwfn,
                        struct dcbx_app_priority_feature *p_app,
                        struct dcbx_app_priority_entry *p_tbl,
                        struct ecore_dcbx_params *p_params, bool ieee)
{
        struct ecore_app_entry *entry;
        u8 pri_map;
        int i;

        p_params->app_willing = GET_MFW_FIELD(p_app->flags, DCBX_APP_WILLING);
        p_params->app_valid = GET_MFW_FIELD(p_app->flags, DCBX_APP_ENABLED);
        p_params->app_error = GET_MFW_FIELD(p_app->flags, DCBX_APP_ERROR);
        p_params->num_app_entries = GET_MFW_FIELD(p_app->flags,
                                                  DCBX_APP_NUM_ENTRIES);
        for (i = 0; i < p_params->num_app_entries; i++) {
                entry = &p_params->app_entry[i];
                if (ieee) {
                        u8 sf_ieee;
                        u32 val;

                        sf_ieee = GET_MFW_FIELD(p_tbl[i].entry,
                                                DCBX_APP_SF_IEEE);
                        switch (sf_ieee) {
                        case DCBX_APP_SF_IEEE_RESERVED:
                                /* Old MFW */
                                val = GET_MFW_FIELD(p_tbl[i].entry,
                                                    DCBX_APP_SF);
                                entry->sf_ieee = val ?
                                        ECORE_DCBX_SF_IEEE_TCP_UDP_PORT :
                                        ECORE_DCBX_SF_IEEE_ETHTYPE;
                                break;
                        case DCBX_APP_SF_IEEE_ETHTYPE:
                                entry->sf_ieee = ECORE_DCBX_SF_IEEE_ETHTYPE;
                                break;
                        case DCBX_APP_SF_IEEE_TCP_PORT:
                                entry->sf_ieee = ECORE_DCBX_SF_IEEE_TCP_PORT;
                                break;
                        case DCBX_APP_SF_IEEE_UDP_PORT:
                                entry->sf_ieee = ECORE_DCBX_SF_IEEE_UDP_PORT;
                                break;
                        case DCBX_APP_SF_IEEE_TCP_UDP_PORT:
                                entry->sf_ieee = ECORE_DCBX_SF_IEEE_TCP_UDP_PORT;
                                break;
                        }
                } else {
                        entry->ethtype = !(GET_MFW_FIELD(p_tbl[i].entry,
                                                         DCBX_APP_SF));
                }

                pri_map = GET_MFW_FIELD(p_tbl[i].entry, DCBX_APP_PRI_MAP);
                ecore_dcbx_get_app_priority(pri_map, &entry->prio);
                entry->proto_id = GET_MFW_FIELD(p_tbl[i].entry,
                                                DCBX_APP_PROTOCOL_ID);
                ecore_dcbx_get_app_protocol_type(p_hwfn, p_tbl[i].entry,
                                                 entry->proto_id,
                                                 &entry->proto_type, ieee);
        }

        DP_VERBOSE(p_hwfn, ECORE_MSG_DCB,
                   "APP params: willing %d, valid %d error = %d\n",
                   p_params->app_willing, p_params->app_valid,
                   p_params->app_error);
}

static void
ecore_dcbx_get_pfc_data(struct ecore_hwfn *p_hwfn,
                        u32 pfc, struct ecore_dcbx_params *p_params)
{
        u8 pfc_map;

        p_params->pfc.willing = GET_MFW_FIELD(pfc, DCBX_PFC_WILLING);
        p_params->pfc.max_tc = GET_MFW_FIELD(pfc, DCBX_PFC_CAPS);
        p_params->pfc.enabled = GET_MFW_FIELD(pfc, DCBX_PFC_ENABLED);
        pfc_map = GET_MFW_FIELD(pfc, DCBX_PFC_PRI_EN_BITMAP);
        p_params->pfc.prio[0] = !!(pfc_map & DCBX_PFC_PRI_EN_BITMAP_PRI_0);
        p_params->pfc.prio[1] = !!(pfc_map & DCBX_PFC_PRI_EN_BITMAP_PRI_1);
        p_params->pfc.prio[2] = !!(pfc_map & DCBX_PFC_PRI_EN_BITMAP_PRI_2);
        p_params->pfc.prio[3] = !!(pfc_map & DCBX_PFC_PRI_EN_BITMAP_PRI_3);
        p_params->pfc.prio[4] = !!(pfc_map & DCBX_PFC_PRI_EN_BITMAP_PRI_4);
        p_params->pfc.prio[5] = !!(pfc_map & DCBX_PFC_PRI_EN_BITMAP_PRI_5);
        p_params->pfc.prio[6] = !!(pfc_map & DCBX_PFC_PRI_EN_BITMAP_PRI_6);
        p_params->pfc.prio[7] = !!(pfc_map & DCBX_PFC_PRI_EN_BITMAP_PRI_7);

        DP_VERBOSE(p_hwfn, ECORE_MSG_DCB,
                   "PFC params: willing %d, pfc_bitmap %u max_tc = %u enabled = %d\n",
                   p_params->pfc.willing, pfc_map, p_params->pfc.max_tc,
                   p_params->pfc.enabled);
}

static void
ecore_dcbx_get_ets_data(struct ecore_hwfn *p_hwfn,
                        struct dcbx_ets_feature *p_ets,
                        struct ecore_dcbx_params *p_params)
{
        u32 bw_map[2], tsa_map[2], pri_map;
        int i;

        p_params->ets_willing = GET_MFW_FIELD(p_ets->flags, DCBX_ETS_WILLING);
        p_params->ets_enabled = GET_MFW_FIELD(p_ets->flags, DCBX_ETS_ENABLED);
        p_params->ets_cbs = GET_MFW_FIELD(p_ets->flags, DCBX_ETS_CBS);
        p_params->max_ets_tc = GET_MFW_FIELD(p_ets->flags, DCBX_ETS_MAX_TCS);
        DP_VERBOSE(p_hwfn, ECORE_MSG_DCB,
                   "ETS params: willing %d, enabled = %d ets_cbs %d pri_tc_tbl_0 %x max_ets_tc %d\n",
                   p_params->ets_willing, p_params->ets_enabled,
                   p_params->ets_cbs, p_ets->pri_tc_tbl[0],
                   p_params->max_ets_tc);
        if (p_params->ets_enabled && !p_params->max_ets_tc)
        {
                p_params->max_ets_tc = ECORE_MAX_PFC_PRIORITIES;
                DP_VERBOSE(p_hwfn, ECORE_MSG_DCB,
                           "ETS params: max_ets_tc is forced to %d\n",
                   p_params->max_ets_tc);
        }
        /* 8 bit tsa and bw data corresponding to each of the 8 TC's are
         * encoded in a type u32 array of size 2.
         */
        bw_map[0] = OSAL_BE32_TO_CPU(p_ets->tc_bw_tbl[0]);
        bw_map[1] = OSAL_BE32_TO_CPU(p_ets->tc_bw_tbl[1]);
        tsa_map[0] = OSAL_BE32_TO_CPU(p_ets->tc_tsa_tbl[0]);
        tsa_map[1] = OSAL_BE32_TO_CPU(p_ets->tc_tsa_tbl[1]);
        pri_map = p_ets->pri_tc_tbl[0];
        for (i = 0; i < ECORE_MAX_PFC_PRIORITIES; i++) {
                p_params->ets_tc_bw_tbl[i] = ((u8 *)bw_map)[i];
                p_params->ets_tc_tsa_tbl[i] = ((u8 *)tsa_map)[i];
                p_params->ets_pri_tc_tbl[i] = ECORE_DCBX_PRIO2TC(pri_map, i);
                DP_VERBOSE(p_hwfn, ECORE_MSG_DCB,
                           "elem %d  bw_tbl %x tsa_tbl %x\n",
                           i, p_params->ets_tc_bw_tbl[i],
                           p_params->ets_tc_tsa_tbl[i]);
        }
}

static void
ecore_dcbx_get_common_params(struct ecore_hwfn *p_hwfn,
                             struct dcbx_app_priority_feature *p_app,
                             struct dcbx_app_priority_entry *p_tbl,
                             struct dcbx_ets_feature *p_ets,
                             u32 pfc, struct ecore_dcbx_params *p_params,
                             bool ieee)
{
        ecore_dcbx_get_app_data(p_hwfn, p_app, p_tbl, p_params, ieee);
        ecore_dcbx_get_ets_data(p_hwfn, p_ets, p_params);
        ecore_dcbx_get_pfc_data(p_hwfn, pfc, p_params);
}

static void
ecore_dcbx_get_local_params(struct ecore_hwfn *p_hwfn,
                            struct ecore_dcbx_get *params)
{
        struct dcbx_features *p_feat;

        p_feat = &p_hwfn->p_dcbx_info->local_admin.features;
        ecore_dcbx_get_common_params(p_hwfn, &p_feat->app,
                                     p_feat->app.app_pri_tbl, &p_feat->ets,
                                     p_feat->pfc, &params->local.params, false);
        params->local.valid = true;
}

static void
ecore_dcbx_get_remote_params(struct ecore_hwfn *p_hwfn,
                             struct ecore_dcbx_get *params)
{
        struct dcbx_features *p_feat;

        p_feat = &p_hwfn->p_dcbx_info->remote.features;
        ecore_dcbx_get_common_params(p_hwfn, &p_feat->app,
                                     p_feat->app.app_pri_tbl, &p_feat->ets,
                                     p_feat->pfc, &params->remote.params,
                                     false);
        params->remote.valid = true;
}

static void  ecore_dcbx_get_dscp_params(struct ecore_hwfn *p_hwfn,
                                        struct ecore_dcbx_get *params)
{
        struct ecore_dcbx_dscp_params *p_dscp;
        struct dcb_dscp_map *p_dscp_map;
        int i, j, entry;
        u32 pri_map;

        p_dscp = &params->dscp;
        p_dscp_map = &p_hwfn->p_dcbx_info->dscp_map;
        p_dscp->enabled = GET_MFW_FIELD(p_dscp_map->flags, DCB_DSCP_ENABLE);

        /* MFW encodes 64 dscp entries into 8 element array of u32 entries,
         * where each entry holds the 4bit priority map for 8 dscp entries.
         */
        for (i = 0, entry = 0; i < ECORE_DCBX_DSCP_SIZE / 8; i++) {
                pri_map = p_dscp_map->dscp_pri_map[i];
                DP_VERBOSE(p_hwfn, ECORE_MSG_DCB, "elem %d pri_map 0x%x\n",
                           entry, pri_map);
                for (j = 0; j < ECORE_DCBX_DSCP_SIZE / 8; j++, entry++)
                        p_dscp->dscp_pri_map[entry] = (u32)(pri_map >>
                                                           (j * 4)) & 0xf;
        }
}

static void
ecore_dcbx_get_operational_params(struct ecore_hwfn *p_hwfn,
                                  struct ecore_dcbx_get *params)
{
        struct ecore_dcbx_operational_params *p_operational;
        struct ecore_dcbx_results *p_results;
        struct dcbx_features *p_feat;
        bool enabled, err;
        u32 flags;
        bool val;

        flags = p_hwfn->p_dcbx_info->operational.flags;

        /* If DCBx version is non zero, then negotiation
         * was successfuly performed
         */
        p_operational = &params->operational;
        enabled = !!(GET_MFW_FIELD(flags, DCBX_CONFIG_VERSION) !=
                     DCBX_CONFIG_VERSION_DISABLED);
        if (!enabled) {
                p_operational->enabled = enabled;
                p_operational->valid = false;
                DP_VERBOSE(p_hwfn, ECORE_MSG_DCB, "Dcbx is disabled\n");
                return;
        }

        p_feat = &p_hwfn->p_dcbx_info->operational.features;
        p_results = &p_hwfn->p_dcbx_info->results;

        val = !!(GET_MFW_FIELD(flags, DCBX_CONFIG_VERSION) ==
                 DCBX_CONFIG_VERSION_IEEE);
        p_operational->ieee = val;

        val = !!(GET_MFW_FIELD(flags, DCBX_CONFIG_VERSION) ==
                 DCBX_CONFIG_VERSION_CEE);
        p_operational->cee = val;

        val = !!(GET_MFW_FIELD(flags, DCBX_CONFIG_VERSION) ==
                 DCBX_CONFIG_VERSION_STATIC);
        p_operational->local = val;

        DP_VERBOSE(p_hwfn, ECORE_MSG_DCB,
                   "Version support: ieee %d, cee %d, static %d\n",
                   p_operational->ieee, p_operational->cee,
                   p_operational->local);

        ecore_dcbx_get_common_params(p_hwfn, &p_feat->app,
                                     p_feat->app.app_pri_tbl, &p_feat->ets,
                                     p_feat->pfc, &params->operational.params,
                                     p_operational->ieee);
        ecore_dcbx_get_priority_info(p_hwfn, &p_operational->app_prio,
                                     p_results);
        err = GET_MFW_FIELD(p_feat->app.flags, DCBX_APP_ERROR);
        p_operational->err = err;
        p_operational->enabled = enabled;
        p_operational->valid = true;
}

static void ecore_dcbx_get_local_lldp_params(struct ecore_hwfn *p_hwfn,
                                             struct ecore_dcbx_get *params)
{
        struct lldp_config_params_s *p_local;

        p_local = &p_hwfn->p_dcbx_info->lldp_local[LLDP_NEAREST_BRIDGE];

        OSAL_MEMCPY(params->lldp_local.local_chassis_id,
                    p_local->local_chassis_id,
                    sizeof(params->lldp_local.local_chassis_id));
        OSAL_MEMCPY(params->lldp_local.local_port_id, p_local->local_port_id,
                    sizeof(params->lldp_local.local_port_id));
}

static void ecore_dcbx_get_remote_lldp_params(struct ecore_hwfn *p_hwfn,
                                              struct ecore_dcbx_get *params)
{
        struct lldp_status_params_s *p_remote;

        p_remote = &p_hwfn->p_dcbx_info->lldp_remote[LLDP_NEAREST_BRIDGE];

        OSAL_MEMCPY(params->lldp_remote.peer_chassis_id,
                    p_remote->peer_chassis_id,
                    sizeof(params->lldp_remote.peer_chassis_id));
        OSAL_MEMCPY(params->lldp_remote.peer_port_id, p_remote->peer_port_id,
                    sizeof(params->lldp_remote.peer_port_id));
}

static enum _ecore_status_t
ecore_dcbx_get_params(struct ecore_hwfn *p_hwfn,
                      struct ecore_dcbx_get *p_params,
                      enum ecore_mib_read_type type)
{
        switch (type) {
        case ECORE_DCBX_REMOTE_MIB:
                ecore_dcbx_get_remote_params(p_hwfn, p_params);
                break;
        case ECORE_DCBX_LOCAL_MIB:
                ecore_dcbx_get_local_params(p_hwfn, p_params);
                break;
        case ECORE_DCBX_OPERATIONAL_MIB:
                ecore_dcbx_get_operational_params(p_hwfn, p_params);
                break;
        case ECORE_DCBX_REMOTE_LLDP_MIB:
                ecore_dcbx_get_remote_lldp_params(p_hwfn, p_params);
                break;
        case ECORE_DCBX_LOCAL_LLDP_MIB:
                ecore_dcbx_get_local_lldp_params(p_hwfn, p_params);
                break;
        default:
                DP_ERR(p_hwfn, "MIB read err, unknown mib type %d\n", type);
                return ECORE_INVAL;
        }

        return ECORE_SUCCESS;
}

static enum _ecore_status_t
ecore_dcbx_read_local_lldp_mib(struct ecore_hwfn *p_hwfn,
                               struct ecore_ptt *p_ptt)
{
        struct ecore_dcbx_mib_meta_data data;
        enum _ecore_status_t rc = ECORE_SUCCESS;

        OSAL_MEM_ZERO(&data, sizeof(data));
        data.addr = p_hwfn->mcp_info->port_addr + offsetof(struct public_port,
                                                           lldp_config_params);
        data.lldp_local = p_hwfn->p_dcbx_info->lldp_local;
        data.size = sizeof(struct lldp_config_params_s);
        ecore_memcpy_from(p_hwfn, p_ptt, data.lldp_local, data.addr, data.size);

        return rc;
}

static enum _ecore_status_t
ecore_dcbx_read_remote_lldp_mib(struct ecore_hwfn *p_hwfn,
                                struct ecore_ptt *p_ptt,
                                enum ecore_mib_read_type type)
{
        struct ecore_dcbx_mib_meta_data data;
        enum _ecore_status_t rc = ECORE_SUCCESS;

        OSAL_MEM_ZERO(&data, sizeof(data));
        data.addr = p_hwfn->mcp_info->port_addr + offsetof(struct public_port,
                                                           lldp_status_params);
        data.lldp_remote = p_hwfn->p_dcbx_info->lldp_remote;
        data.size = sizeof(struct lldp_status_params_s);
        rc = ecore_dcbx_copy_mib(p_hwfn, p_ptt, &data, type);

        return rc;
}

static enum _ecore_status_t
ecore_dcbx_read_operational_mib(struct ecore_hwfn *p_hwfn,
                                struct ecore_ptt *p_ptt,
                                enum ecore_mib_read_type type)
{
        struct ecore_dcbx_mib_meta_data data;
        enum _ecore_status_t rc = ECORE_SUCCESS;

        OSAL_MEM_ZERO(&data, sizeof(data));
        data.addr = p_hwfn->mcp_info->port_addr +
                    offsetof(struct public_port, operational_dcbx_mib);
        data.mib = &p_hwfn->p_dcbx_info->operational;
        data.size = sizeof(struct dcbx_mib);
        rc = ecore_dcbx_copy_mib(p_hwfn, p_ptt, &data, type);

        return rc;
}

static enum _ecore_status_t
ecore_dcbx_read_remote_mib(struct ecore_hwfn *p_hwfn,
                           struct ecore_ptt *p_ptt,
                           enum ecore_mib_read_type type)
{
        struct ecore_dcbx_mib_meta_data data;
        enum _ecore_status_t rc = ECORE_SUCCESS;

        OSAL_MEM_ZERO(&data, sizeof(data));
        data.addr = p_hwfn->mcp_info->port_addr +
                    offsetof(struct public_port, remote_dcbx_mib);
        data.mib = &p_hwfn->p_dcbx_info->remote;
        data.size = sizeof(struct dcbx_mib);
        rc = ecore_dcbx_copy_mib(p_hwfn, p_ptt, &data, type);

        return rc;
}

static enum _ecore_status_t
ecore_dcbx_read_local_mib(struct ecore_hwfn *p_hwfn, struct ecore_ptt *p_ptt)
{
        struct ecore_dcbx_mib_meta_data data;
        enum _ecore_status_t rc = ECORE_SUCCESS;

        OSAL_MEM_ZERO(&data, sizeof(data));
        data.addr = p_hwfn->mcp_info->port_addr +
                        offsetof(struct public_port, local_admin_dcbx_mib);
        data.local_admin = &p_hwfn->p_dcbx_info->local_admin;
        data.size = sizeof(struct dcbx_local_params);
        ecore_memcpy_from(p_hwfn, p_ptt, data.local_admin,
                          data.addr, data.size);

        return rc;
}

static void
ecore_dcbx_read_dscp_mib(struct ecore_hwfn *p_hwfn, struct ecore_ptt *p_ptt)
{
        struct ecore_dcbx_mib_meta_data data;

        data.addr = p_hwfn->mcp_info->port_addr +
                        offsetof(struct public_port, dcb_dscp_map);
        data.dscp_map = &p_hwfn->p_dcbx_info->dscp_map;
        data.size = sizeof(struct dcb_dscp_map);
        ecore_memcpy_from(p_hwfn, p_ptt, data.dscp_map, data.addr, data.size);
}

static enum _ecore_status_t ecore_dcbx_read_mib(struct ecore_hwfn *p_hwfn,
                                                struct ecore_ptt *p_ptt,
                                                enum ecore_mib_read_type type)
{
        enum _ecore_status_t rc = ECORE_INVAL;

        switch (type) {
        case ECORE_DCBX_OPERATIONAL_MIB:
                ecore_dcbx_read_dscp_mib(p_hwfn, p_ptt);
                rc = ecore_dcbx_read_operational_mib(p_hwfn, p_ptt, type);
                break;
        case ECORE_DCBX_REMOTE_MIB:
                rc = ecore_dcbx_read_remote_mib(p_hwfn, p_ptt, type);
                break;
        case ECORE_DCBX_LOCAL_MIB:
                rc = ecore_dcbx_read_local_mib(p_hwfn, p_ptt);
                break;
        case ECORE_DCBX_REMOTE_LLDP_MIB:
                rc = ecore_dcbx_read_remote_lldp_mib(p_hwfn, p_ptt, type);
                break;
        case ECORE_DCBX_LOCAL_LLDP_MIB:
                rc = ecore_dcbx_read_local_lldp_mib(p_hwfn, p_ptt);
                break;
        default:
                DP_ERR(p_hwfn, "MIB read err, unknown mib type %d\n", type);
        }

        return rc;
}

/*
 * Read updated MIB.
 * Reconfigure QM and invoke PF update ramrod command if operational MIB
 * change is detected.
 */
enum _ecore_status_t
ecore_dcbx_mib_update_event(struct ecore_hwfn *p_hwfn, struct ecore_ptt *p_ptt,
                            enum ecore_mib_read_type type)
{
        enum _ecore_status_t rc = ECORE_SUCCESS;

        rc = ecore_dcbx_read_mib(p_hwfn, p_ptt, type);
        if (rc)
                return rc;

        if (type == ECORE_DCBX_OPERATIONAL_MIB) {
                ecore_dcbx_get_dscp_params(p_hwfn, &p_hwfn->p_dcbx_info->get);

                rc = ecore_dcbx_process_mib_info(p_hwfn, p_ptt);
                if (!rc) {
                        /* reconfigure tcs of QM queues according
                         * to negotiation results
                         */
                        ecore_qm_reconf(p_hwfn, p_ptt);

                        /* update storm FW with negotiation results */
                        ecore_sp_pf_update_dcbx(p_hwfn);

#ifdef CONFIG_ECORE_ROCE
                        /* for roce PFs, we may want to enable/disable DPM
                         * when DCBx change occurs
                         */
                        if (ECORE_IS_ROCE_PERSONALITY(p_hwfn))
                                ecore_roce_dpm_dcbx(p_hwfn, p_ptt);
#endif
                }
        }

        ecore_dcbx_get_params(p_hwfn, &p_hwfn->p_dcbx_info->get, type);

        if (type == ECORE_DCBX_OPERATIONAL_MIB) {
                struct ecore_dcbx_results *p_data;
                u16 val;

                /* Update the DSCP to TC mapping enable bit if required */
                if (p_hwfn->p_dcbx_info->dscp_nig_update) {
                        u8 val = !!p_hwfn->p_dcbx_info->get.dscp.enabled;
                        u32 addr = NIG_REG_DSCP_TO_TC_MAP_ENABLE;

                        rc = ecore_all_ppfids_wr(p_hwfn, p_ptt, addr, val);
                        if (rc != ECORE_SUCCESS) {
                                DP_NOTICE(p_hwfn, false,
                                          "Failed to update the DSCP to TC mapping enable bit\n");
                                return rc;
                        }

                        p_hwfn->p_dcbx_info->dscp_nig_update = false;
                }

                /* Configure in NIG which protocols support EDPM and should
                 * honor PFC.
                 */
                p_data = &p_hwfn->p_dcbx_info->results;
                val = (0x1 << p_data->arr[DCBX_PROTOCOL_ROCE].tc) |
                        (0x1 << p_data->arr[DCBX_PROTOCOL_ROCE_V2].tc);
                val <<= NIG_REG_TX_EDPM_CTRL_TX_EDPM_TC_EN_SHIFT;
                val |= NIG_REG_TX_EDPM_CTRL_TX_EDPM_EN;
                ecore_wr(p_hwfn, p_ptt, NIG_REG_TX_EDPM_CTRL, val);
        }

        OSAL_DCBX_AEN(p_hwfn, type);

        return rc;
}

enum _ecore_status_t ecore_dcbx_info_alloc(struct ecore_hwfn *p_hwfn)
{
#ifndef __EXTRACT__LINUX__
        OSAL_BUILD_BUG_ON(ECORE_LLDP_CHASSIS_ID_STAT_LEN !=
                          LLDP_CHASSIS_ID_STAT_LEN);
        OSAL_BUILD_BUG_ON(ECORE_LLDP_PORT_ID_STAT_LEN !=
                          LLDP_PORT_ID_STAT_LEN);
        OSAL_BUILD_BUG_ON(ECORE_DCBX_MAX_APP_PROTOCOL !=
                          DCBX_MAX_APP_PROTOCOL);
#endif

        p_hwfn->p_dcbx_info = OSAL_ZALLOC(p_hwfn->p_dev, GFP_KERNEL,
                                          sizeof(*p_hwfn->p_dcbx_info));
        if (!p_hwfn->p_dcbx_info) {
                DP_NOTICE(p_hwfn, false,
                          "Failed to allocate `struct ecore_dcbx_info'");
                return ECORE_NOMEM;
        }

        p_hwfn->p_dcbx_info->iwarp_port =
                p_hwfn->pf_params.rdma_pf_params.iwarp_port;

        return ECORE_SUCCESS;
}

void ecore_dcbx_info_free(struct ecore_hwfn *p_hwfn)
{
        OSAL_FREE(p_hwfn->p_dev, p_hwfn->p_dcbx_info);
        p_hwfn->p_dcbx_info = OSAL_NULL;
}

static void ecore_dcbx_update_protocol_data(struct protocol_dcb_data *p_data,
                                            struct ecore_dcbx_results *p_src,
                                            enum dcbx_protocol_type type)
{
        p_data->dcb_enable_flag = p_src->arr[type].enable;
        p_data->dcb_priority = p_src->arr[type].priority;
        p_data->dcb_tc = p_src->arr[type].tc;
        p_data->dscp_enable_flag = p_src->arr[type].dscp_enable;
        p_data->dscp_val = p_src->arr[type].dscp_val;
        p_data->dcb_dont_add_vlan0 = p_src->arr[type].dont_add_vlan0;
}

/* Set pf update ramrod command params */
void ecore_dcbx_set_pf_update_params(struct ecore_dcbx_results *p_src,
                                     struct pf_update_ramrod_data *p_dest)
{
        struct protocol_dcb_data *p_dcb_data;
        u8 update_flag;

        update_flag = p_src->arr[DCBX_PROTOCOL_FCOE].update;
        p_dest->update_fcoe_dcb_data_mode = update_flag;

        update_flag = p_src->arr[DCBX_PROTOCOL_ROCE].update;
        p_dest->update_roce_dcb_data_mode = update_flag;

        update_flag = p_src->arr[DCBX_PROTOCOL_ROCE_V2].update;
        p_dest->update_rroce_dcb_data_mode = update_flag;

        update_flag = p_src->arr[DCBX_PROTOCOL_ISCSI].update;
        p_dest->update_iscsi_dcb_data_mode = update_flag;
        update_flag = p_src->arr[DCBX_PROTOCOL_ETH].update;
        p_dest->update_eth_dcb_data_mode = update_flag;
        update_flag = p_src->arr[DCBX_PROTOCOL_IWARP].update;
        p_dest->update_iwarp_dcb_data_mode = update_flag;

        p_dcb_data = &p_dest->fcoe_dcb_data;
        ecore_dcbx_update_protocol_data(p_dcb_data, p_src, DCBX_PROTOCOL_FCOE);
        p_dcb_data = &p_dest->roce_dcb_data;
        ecore_dcbx_update_protocol_data(p_dcb_data, p_src, DCBX_PROTOCOL_ROCE);
        p_dcb_data = &p_dest->rroce_dcb_data;
        ecore_dcbx_update_protocol_data(p_dcb_data, p_src,
                                        DCBX_PROTOCOL_ROCE_V2);
        p_dcb_data = &p_dest->iscsi_dcb_data;
        ecore_dcbx_update_protocol_data(p_dcb_data, p_src, DCBX_PROTOCOL_ISCSI);
        p_dcb_data = &p_dest->eth_dcb_data;
        ecore_dcbx_update_protocol_data(p_dcb_data, p_src, DCBX_PROTOCOL_ETH);
        p_dcb_data = &p_dest->iwarp_dcb_data;
        ecore_dcbx_update_protocol_data(p_dcb_data, p_src, DCBX_PROTOCOL_IWARP);
}

enum _ecore_status_t ecore_dcbx_query_params(struct ecore_hwfn *p_hwfn,
                                             struct ecore_dcbx_get *p_get,
                                             enum ecore_mib_read_type type)
{
        struct ecore_ptt *p_ptt;
        enum _ecore_status_t rc;

        if (IS_VF(p_hwfn->p_dev))
                return ECORE_INVAL;

        p_ptt = ecore_ptt_acquire(p_hwfn);
        if (!p_ptt)
                return ECORE_TIMEOUT;

        rc = ecore_dcbx_read_mib(p_hwfn, p_ptt, type);
        if (rc != ECORE_SUCCESS)
                goto out;

        ecore_dcbx_get_dscp_params(p_hwfn, p_get);

        rc = ecore_dcbx_get_params(p_hwfn, p_get, type);

out:
        ecore_ptt_release(p_hwfn, p_ptt);
        return rc;
}

static void
ecore_dcbx_set_pfc_data(struct ecore_hwfn *p_hwfn,
                        u32 *pfc, struct ecore_dcbx_params *p_params)
{
        u8 pfc_map = 0;
        int i;

        *pfc &= ~DCBX_PFC_ERROR_MASK;

        if (p_params->pfc.willing)
                *pfc |= DCBX_PFC_WILLING_MASK;
        else
                *pfc &= ~DCBX_PFC_WILLING_MASK;

        if (p_params->pfc.enabled)
                *pfc |= DCBX_PFC_ENABLED_MASK;
        else
                *pfc &= ~DCBX_PFC_ENABLED_MASK;

        *pfc &= ~DCBX_PFC_CAPS_MASK;
        *pfc |= (u32)p_params->pfc.max_tc << DCBX_PFC_CAPS_OFFSET;

        for (i = 0; i < ECORE_MAX_PFC_PRIORITIES; i++)
                if (p_params->pfc.prio[i])
                        pfc_map |= (1 << i);
        *pfc &= ~DCBX_PFC_PRI_EN_BITMAP_MASK;
        *pfc |= (pfc_map << DCBX_PFC_PRI_EN_BITMAP_OFFSET);

        DP_VERBOSE(p_hwfn, ECORE_MSG_DCB, "pfc = 0x%x\n", *pfc);
}

static void
ecore_dcbx_set_ets_data(struct ecore_hwfn *p_hwfn,
                        struct dcbx_ets_feature *p_ets,
                        struct ecore_dcbx_params *p_params)
{
        u8 *bw_map, *tsa_map;
        u32 val;
        int i;

        if (p_params->ets_willing)
                p_ets->flags |= DCBX_ETS_WILLING_MASK;
        else
                p_ets->flags &= ~DCBX_ETS_WILLING_MASK;

        if (p_params->ets_cbs)
                p_ets->flags |= DCBX_ETS_CBS_MASK;
        else
                p_ets->flags &= ~DCBX_ETS_CBS_MASK;

        if (p_params->ets_enabled)
                p_ets->flags |= DCBX_ETS_ENABLED_MASK;
        else
                p_ets->flags &= ~DCBX_ETS_ENABLED_MASK;

        p_ets->flags &= ~DCBX_ETS_MAX_TCS_MASK;
        p_ets->flags |= (u32)p_params->max_ets_tc << DCBX_ETS_MAX_TCS_OFFSET;

        bw_map = (u8 *)&p_ets->tc_bw_tbl[0];
        tsa_map = (u8 *)&p_ets->tc_tsa_tbl[0];
        p_ets->pri_tc_tbl[0] = 0;
        for (i = 0; i < ECORE_MAX_PFC_PRIORITIES; i++) {
                bw_map[i] = p_params->ets_tc_bw_tbl[i];
                tsa_map[i] = p_params->ets_tc_tsa_tbl[i];
                /* Copy the priority value to the corresponding 4 bits in the
                 * traffic class table.
                 */
                val = (((u32)p_params->ets_pri_tc_tbl[i]) << ((7 - i) * 4));
                p_ets->pri_tc_tbl[0] |= val;
        }
        for (i = 0; i < 2; i++) {
                p_ets->tc_bw_tbl[i] = OSAL_CPU_TO_BE32(p_ets->tc_bw_tbl[i]);
                p_ets->tc_tsa_tbl[i] = OSAL_CPU_TO_BE32(p_ets->tc_tsa_tbl[i]);
        }

        DP_VERBOSE(p_hwfn, ECORE_MSG_DCB,
                   "flags = 0x%x pri_tc = 0x%x tc_bwl[] = {0x%x, 0x%x} tc_tsa = {0x%x, 0x%x}\n",
                   p_ets->flags, p_ets->pri_tc_tbl[0], p_ets->tc_bw_tbl[0],
                   p_ets->tc_bw_tbl[1], p_ets->tc_tsa_tbl[0],
                   p_ets->tc_tsa_tbl[1]);
}

static void
ecore_dcbx_set_app_data(struct ecore_hwfn *p_hwfn,
                        struct dcbx_app_priority_feature *p_app,
                        struct ecore_dcbx_params *p_params, bool ieee)
{
        u32 *entry;
        int i;

        if (p_params->app_willing)
                p_app->flags |= DCBX_APP_WILLING_MASK;
        else
                p_app->flags &= ~DCBX_APP_WILLING_MASK;

        if (p_params->app_valid)
                p_app->flags |= DCBX_APP_ENABLED_MASK;
        else
                p_app->flags &= ~DCBX_APP_ENABLED_MASK;

        p_app->flags &= ~DCBX_APP_NUM_ENTRIES_MASK;
        p_app->flags |= (u32)p_params->num_app_entries <<
                        DCBX_APP_NUM_ENTRIES_OFFSET;

        for (i = 0; i < p_params->num_app_entries; i++) {
                entry = &p_app->app_pri_tbl[i].entry;
                *entry = 0;
                if (ieee) {
                        *entry &= ~(DCBX_APP_SF_IEEE_MASK | DCBX_APP_SF_MASK);
                        switch (p_params->app_entry[i].sf_ieee) {
                        case ECORE_DCBX_SF_IEEE_ETHTYPE:
                                *entry  |= ((u32)DCBX_APP_SF_IEEE_ETHTYPE <<
                                            DCBX_APP_SF_IEEE_OFFSET);
                                *entry  |= ((u32)DCBX_APP_SF_ETHTYPE <<
                                            DCBX_APP_SF_OFFSET);
                                break;
                        case ECORE_DCBX_SF_IEEE_TCP_PORT:
                                *entry  |= ((u32)DCBX_APP_SF_IEEE_TCP_PORT <<
                                            DCBX_APP_SF_IEEE_OFFSET);
                                *entry  |= ((u32)DCBX_APP_SF_PORT <<
                                            DCBX_APP_SF_OFFSET);
                                break;
                        case ECORE_DCBX_SF_IEEE_UDP_PORT:
                                *entry  |= ((u32)DCBX_APP_SF_IEEE_UDP_PORT <<
                                            DCBX_APP_SF_IEEE_OFFSET);
                                *entry  |= ((u32)DCBX_APP_SF_PORT <<
                                            DCBX_APP_SF_OFFSET);
                                break;
                        case ECORE_DCBX_SF_IEEE_TCP_UDP_PORT:
                                *entry  |= (u32)DCBX_APP_SF_IEEE_TCP_UDP_PORT <<
                                            DCBX_APP_SF_IEEE_OFFSET;
                                *entry  |= ((u32)DCBX_APP_SF_PORT <<
                                            DCBX_APP_SF_OFFSET);
                                break;
                        }
                } else {
                        *entry &= ~DCBX_APP_SF_MASK;
                        if (p_params->app_entry[i].ethtype)
                                *entry  |= ((u32)DCBX_APP_SF_ETHTYPE <<
                                            DCBX_APP_SF_OFFSET);
                        else
                                *entry  |= ((u32)DCBX_APP_SF_PORT <<
                                            DCBX_APP_SF_OFFSET);
                }
                *entry &= ~DCBX_APP_PROTOCOL_ID_MASK;
                *entry |= ((u32)p_params->app_entry[i].proto_id <<
                           DCBX_APP_PROTOCOL_ID_OFFSET);
                *entry &= ~DCBX_APP_PRI_MAP_MASK;
                *entry |= ((u32)(1 << p_params->app_entry[i].prio) <<
                           DCBX_APP_PRI_MAP_OFFSET);
        }

        DP_VERBOSE(p_hwfn, ECORE_MSG_DCB, "flags = 0x%x\n", p_app->flags);
}

static void
ecore_dcbx_set_local_params(struct ecore_hwfn *p_hwfn,
                            struct dcbx_local_params *local_admin,
                            struct ecore_dcbx_set *params)
{
        bool ieee = false;

        local_admin->flags = 0;
        OSAL_MEMCPY(&local_admin->features,
                    &p_hwfn->p_dcbx_info->operational.features,
                    sizeof(local_admin->features));

        if (params->enabled) {
                local_admin->config = params->ver_num;
                ieee = !!(params->ver_num & DCBX_CONFIG_VERSION_IEEE);
        } else
                local_admin->config = DCBX_CONFIG_VERSION_DISABLED;

        DP_VERBOSE(p_hwfn, ECORE_MSG_DCB, "Dcbx version = %d\n",
                   local_admin->config);

        if (params->override_flags & ECORE_DCBX_OVERRIDE_PFC_CFG)
                ecore_dcbx_set_pfc_data(p_hwfn, &local_admin->features.pfc,
                                        &params->config.params);

        if (params->override_flags & ECORE_DCBX_OVERRIDE_ETS_CFG)
                ecore_dcbx_set_ets_data(p_hwfn, &local_admin->features.ets,
                                        &params->config.params);

        if (params->override_flags & ECORE_DCBX_OVERRIDE_APP_CFG)
                ecore_dcbx_set_app_data(p_hwfn, &local_admin->features.app,
                                        &params->config.params, ieee);
}

static enum _ecore_status_t
ecore_dcbx_set_dscp_params(struct ecore_hwfn *p_hwfn,
                           struct dcb_dscp_map *p_dscp_map,
                           struct ecore_dcbx_set *p_params)
{
        int entry, i, j;
        u32 val;

        OSAL_MEMCPY(p_dscp_map, &p_hwfn->p_dcbx_info->dscp_map,
                    sizeof(*p_dscp_map));

        p_dscp_map->flags &= ~DCB_DSCP_ENABLE_MASK;
        if (p_params->dscp.enabled)
                p_dscp_map->flags |= DCB_DSCP_ENABLE_MASK;

        for (i = 0, entry = 0; i < 8; i++) {
                val = 0;
                for (j = 0; j < 8; j++, entry++)
                        val |= (((u32)p_params->dscp.dscp_pri_map[entry]) <<
                                (j * 4));

                p_dscp_map->dscp_pri_map[i] = val;
        }

        p_hwfn->p_dcbx_info->dscp_nig_update = true;

        DP_VERBOSE(p_hwfn, ECORE_MSG_DCB, "flags = 0x%x\n", p_dscp_map->flags);
        DP_VERBOSE(p_hwfn, ECORE_MSG_DCB,
                   "pri_map[] = 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x\n",
                   p_dscp_map->dscp_pri_map[0], p_dscp_map->dscp_pri_map[1],
                   p_dscp_map->dscp_pri_map[2], p_dscp_map->dscp_pri_map[3],
                   p_dscp_map->dscp_pri_map[4], p_dscp_map->dscp_pri_map[5],
                   p_dscp_map->dscp_pri_map[6], p_dscp_map->dscp_pri_map[7]);

        return ECORE_SUCCESS;
}

enum _ecore_status_t ecore_dcbx_config_params(struct ecore_hwfn *p_hwfn,
                                              struct ecore_ptt *p_ptt,
                                              struct ecore_dcbx_set *params,
                                              bool hw_commit)
{
        struct dcbx_local_params local_admin;
        struct ecore_dcbx_mib_meta_data data;
        struct dcb_dscp_map dscp_map;
        u32 resp = 0, param = 0;
        enum _ecore_status_t rc = ECORE_SUCCESS;

        OSAL_MEMCPY(&p_hwfn->p_dcbx_info->set, params,
                    sizeof(p_hwfn->p_dcbx_info->set));
        if (!hw_commit)
                return ECORE_SUCCESS;

        OSAL_MEMSET(&local_admin, 0, sizeof(local_admin));
        ecore_dcbx_set_local_params(p_hwfn, &local_admin, params);

        data.addr = p_hwfn->mcp_info->port_addr +
                        offsetof(struct public_port, local_admin_dcbx_mib);
        data.local_admin = &local_admin;
        data.size = sizeof(struct dcbx_local_params);
        ecore_memcpy_to(p_hwfn, p_ptt, data.addr, data.local_admin, data.size);

        if (params->override_flags & ECORE_DCBX_OVERRIDE_DSCP_CFG) {
                OSAL_MEMSET(&dscp_map, 0, sizeof(dscp_map));
                ecore_dcbx_set_dscp_params(p_hwfn, &dscp_map, params);

                data.addr = p_hwfn->mcp_info->port_addr +
                                offsetof(struct public_port, dcb_dscp_map);
                data.dscp_map = &dscp_map;
                data.size = sizeof(struct dcb_dscp_map);
                ecore_memcpy_to(p_hwfn, p_ptt, data.addr, data.dscp_map,
                                data.size);
        }

        rc = ecore_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_SET_DCBX,
                           1 << DRV_MB_PARAM_LLDP_SEND_OFFSET, &resp, &param);
        if (rc != ECORE_SUCCESS)
                DP_NOTICE(p_hwfn, false,
                          "Failed to send DCBX update request\n");

        return rc;
}

enum _ecore_status_t ecore_dcbx_get_config_params(struct ecore_hwfn *p_hwfn,
                                                  struct ecore_dcbx_set *params)
{
        struct ecore_dcbx_get *dcbx_info;
        enum _ecore_status_t rc;

        if (p_hwfn->p_dcbx_info->set.config.valid) {
                OSAL_MEMCPY(params, &p_hwfn->p_dcbx_info->set,
                            sizeof(struct ecore_dcbx_set));
                return ECORE_SUCCESS;
        }

        dcbx_info = OSAL_ALLOC(p_hwfn->p_dev, GFP_KERNEL,
                               sizeof(*dcbx_info));
        if (!dcbx_info)
                return ECORE_NOMEM;

        OSAL_MEMSET(dcbx_info, 0, sizeof(*dcbx_info));
        rc = ecore_dcbx_query_params(p_hwfn, dcbx_info,
                                     ECORE_DCBX_OPERATIONAL_MIB);
        if (rc) {
                OSAL_FREE(p_hwfn->p_dev, dcbx_info);
                return rc;
        }
        p_hwfn->p_dcbx_info->set.override_flags = 0;

        p_hwfn->p_dcbx_info->set.ver_num = DCBX_CONFIG_VERSION_DISABLED;
        if (dcbx_info->operational.cee)
                p_hwfn->p_dcbx_info->set.ver_num |= DCBX_CONFIG_VERSION_CEE;
        if (dcbx_info->operational.ieee)
                p_hwfn->p_dcbx_info->set.ver_num |= DCBX_CONFIG_VERSION_IEEE;
        if (dcbx_info->operational.local)
                p_hwfn->p_dcbx_info->set.ver_num |= DCBX_CONFIG_VERSION_STATIC;

        p_hwfn->p_dcbx_info->set.enabled = dcbx_info->operational.enabled;
        OSAL_MEMCPY(&p_hwfn->p_dcbx_info->set.dscp,
                    &p_hwfn->p_dcbx_info->get.dscp,
                    sizeof(struct ecore_dcbx_dscp_params));
        OSAL_MEMCPY(&p_hwfn->p_dcbx_info->set.config.params,
                    &dcbx_info->operational.params,
                    sizeof(p_hwfn->p_dcbx_info->set.config.params));
        p_hwfn->p_dcbx_info->set.config.valid = true;

        OSAL_MEMCPY(params, &p_hwfn->p_dcbx_info->set,
                    sizeof(struct ecore_dcbx_set));

        OSAL_FREE(p_hwfn->p_dev, dcbx_info);

        return ECORE_SUCCESS;
}

enum _ecore_status_t ecore_lldp_register_tlv(struct ecore_hwfn *p_hwfn,
                                             struct ecore_ptt *p_ptt,
                                             enum ecore_lldp_agent agent,
                                             u8 tlv_type)
{
        u32 mb_param = 0, mcp_resp = 0, mcp_param = 0, val = 0;
        enum _ecore_status_t rc = ECORE_SUCCESS;

        switch (agent) {
        case ECORE_LLDP_NEAREST_BRIDGE:
                val = LLDP_NEAREST_BRIDGE;
                break;
        case ECORE_LLDP_NEAREST_NON_TPMR_BRIDGE:
                val = LLDP_NEAREST_NON_TPMR_BRIDGE;
                break;
        case ECORE_LLDP_NEAREST_CUSTOMER_BRIDGE:
                val = LLDP_NEAREST_CUSTOMER_BRIDGE;
                break;
        default:
                DP_ERR(p_hwfn, "Invalid agent type %d\n", agent);
                return ECORE_INVAL;
        }

        SET_MFW_FIELD(mb_param, DRV_MB_PARAM_LLDP_AGENT, val);
        SET_MFW_FIELD(mb_param, DRV_MB_PARAM_LLDP_TLV_RX_TYPE, tlv_type);

        rc = ecore_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_REGISTER_LLDP_TLVS_RX,
                           mb_param, &mcp_resp, &mcp_param);
        if (rc != ECORE_SUCCESS)
                DP_NOTICE(p_hwfn, false, "Failed to register TLV\n");

        return rc;
}

enum _ecore_status_t
ecore_lldp_mib_update_event(struct ecore_hwfn *p_hwfn, struct ecore_ptt *p_ptt)
{
        struct ecore_dcbx_mib_meta_data data;
        enum _ecore_status_t rc = ECORE_SUCCESS;
        struct lldp_received_tlvs_s tlvs;
        int i;

        for (i = 0; i < LLDP_MAX_LLDP_AGENTS; i++) {
                OSAL_MEM_ZERO(&data, sizeof(data));
                data.addr = p_hwfn->mcp_info->port_addr +
                            offsetof(struct public_port, lldp_received_tlvs[i]);
                data.lldp_tlvs = &tlvs;
                data.size = sizeof(tlvs);
                rc = ecore_dcbx_copy_mib(p_hwfn, p_ptt, &data,
                                         ECORE_DCBX_LLDP_TLVS);
                if (rc != ECORE_SUCCESS) {
                        DP_NOTICE(p_hwfn, false, "Failed to read lldp TLVs\n");
                        return rc;
                }

                if (!tlvs.length)
                        continue;

                for (i = 0; i < MAX_TLV_BUFFER; i++)
                        tlvs.tlvs_buffer[i] =
                                OSAL_CPU_TO_BE32(tlvs.tlvs_buffer[i]);

                OSAL_LLDP_RX_TLVS(p_hwfn, tlvs.tlvs_buffer, tlvs.length);
        }

        return rc;
}

enum _ecore_status_t
ecore_lldp_get_params(struct ecore_hwfn *p_hwfn, struct ecore_ptt *p_ptt,
                      struct ecore_lldp_config_params *p_params)
{
        struct lldp_config_params_s lldp_params;
        u32 addr, val;
        int i;

        switch (p_params->agent) {
        case ECORE_LLDP_NEAREST_BRIDGE:
                val = LLDP_NEAREST_BRIDGE;
                break;
        case ECORE_LLDP_NEAREST_NON_TPMR_BRIDGE:
                val = LLDP_NEAREST_NON_TPMR_BRIDGE;
                break;
        case ECORE_LLDP_NEAREST_CUSTOMER_BRIDGE:
                val = LLDP_NEAREST_CUSTOMER_BRIDGE;
                break;
        default:
                DP_ERR(p_hwfn, "Invalid agent type %d\n", p_params->agent);
                return ECORE_INVAL;
        }

        addr = p_hwfn->mcp_info->port_addr +
                        offsetof(struct public_port, lldp_config_params[val]);

        ecore_memcpy_from(p_hwfn, p_ptt, &lldp_params, addr,
                          sizeof(lldp_params));

        p_params->tx_interval = GET_MFW_FIELD(lldp_params.config,
                                              LLDP_CONFIG_TX_INTERVAL);
        p_params->tx_hold = GET_MFW_FIELD(lldp_params.config, LLDP_CONFIG_HOLD);
        p_params->tx_credit = GET_MFW_FIELD(lldp_params.config,
                                            LLDP_CONFIG_MAX_CREDIT);
        p_params->rx_enable = GET_MFW_FIELD(lldp_params.config,
                                            LLDP_CONFIG_ENABLE_RX);
        p_params->tx_enable = GET_MFW_FIELD(lldp_params.config,
                                            LLDP_CONFIG_ENABLE_TX);

        OSAL_MEMCPY(p_params->chassis_id_tlv, lldp_params.local_chassis_id,
                    sizeof(p_params->chassis_id_tlv));
        for (i = 0; i < ECORE_LLDP_CHASSIS_ID_STAT_LEN; i++)
                p_params->chassis_id_tlv[i] =
                                OSAL_BE32_TO_CPU(p_params->chassis_id_tlv[i]);

        OSAL_MEMCPY(p_params->port_id_tlv, lldp_params.local_port_id,
                    sizeof(p_params->port_id_tlv));
        for (i = 0; i < ECORE_LLDP_PORT_ID_STAT_LEN; i++)
                p_params->port_id_tlv[i] =
                                OSAL_BE32_TO_CPU(p_params->port_id_tlv[i]);

        return ECORE_SUCCESS;
}

enum _ecore_status_t
ecore_lldp_set_params(struct ecore_hwfn *p_hwfn, struct ecore_ptt *p_ptt,
                      struct ecore_lldp_config_params *p_params)
{
        u32 mb_param = 0, mcp_resp = 0, mcp_param = 0;
        struct lldp_config_params_s lldp_params;
        enum _ecore_status_t rc = ECORE_SUCCESS;
        u32 addr, val;
        int i;

        switch (p_params->agent) {
        case ECORE_LLDP_NEAREST_BRIDGE:
                val = LLDP_NEAREST_BRIDGE;
                break;
        case ECORE_LLDP_NEAREST_NON_TPMR_BRIDGE:
                val = LLDP_NEAREST_NON_TPMR_BRIDGE;
                break;
        case ECORE_LLDP_NEAREST_CUSTOMER_BRIDGE:
                val = LLDP_NEAREST_CUSTOMER_BRIDGE;
                break;
        default:
                DP_ERR(p_hwfn, "Invalid agent type %d\n", p_params->agent);
                return ECORE_INVAL;
        }

        SET_MFW_FIELD(mb_param, DRV_MB_PARAM_LLDP_AGENT, val);
        addr = p_hwfn->mcp_info->port_addr +
                        offsetof(struct public_port, lldp_config_params[val]);

        OSAL_MEMSET(&lldp_params, 0, sizeof(lldp_params));
        SET_MFW_FIELD(lldp_params.config, LLDP_CONFIG_TX_INTERVAL,
                      p_params->tx_interval);
        SET_MFW_FIELD(lldp_params.config, LLDP_CONFIG_HOLD, p_params->tx_hold);
        SET_MFW_FIELD(lldp_params.config, LLDP_CONFIG_MAX_CREDIT,
                      p_params->tx_credit);
        SET_MFW_FIELD(lldp_params.config, LLDP_CONFIG_ENABLE_RX,
                      !!p_params->rx_enable);
        SET_MFW_FIELD(lldp_params.config, LLDP_CONFIG_ENABLE_TX,
                      !!p_params->tx_enable);

        for (i = 0; i < ECORE_LLDP_CHASSIS_ID_STAT_LEN; i++)
                p_params->chassis_id_tlv[i] =
                                OSAL_CPU_TO_BE32(p_params->chassis_id_tlv[i]);
        OSAL_MEMCPY(lldp_params.local_chassis_id, p_params->chassis_id_tlv,
                    sizeof(lldp_params.local_chassis_id));

        for (i = 0; i < ECORE_LLDP_PORT_ID_STAT_LEN; i++)
                p_params->port_id_tlv[i] =
                                OSAL_CPU_TO_BE32(p_params->port_id_tlv[i]);
        OSAL_MEMCPY(lldp_params.local_port_id, p_params->port_id_tlv,
                    sizeof(lldp_params.local_port_id));

        ecore_memcpy_to(p_hwfn, p_ptt, addr, &lldp_params, sizeof(lldp_params));

        rc = ecore_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_SET_LLDP,
                           mb_param, &mcp_resp, &mcp_param);
        if (rc != ECORE_SUCCESS)
                DP_NOTICE(p_hwfn, false, "SET_LLDP failed, error = %d\n", rc);

        return rc;
}

enum _ecore_status_t
ecore_lldp_set_system_tlvs(struct ecore_hwfn *p_hwfn, struct ecore_ptt *p_ptt,
                           struct ecore_lldp_sys_tlvs *p_params)
{
        u32 mb_param = 0, mcp_resp = 0, mcp_param = 0;
        enum _ecore_status_t rc = ECORE_SUCCESS;
        struct lldp_system_tlvs_buffer_s lld_tlv_buf;
        u32 addr, *p_val;
        u8 len;
        int i;

        p_val = (u32 *)p_params->buf;
        for (i = 0; i < ECORE_LLDP_SYS_TLV_SIZE / 4; i++)
                p_val[i] = OSAL_CPU_TO_BE32(p_val[i]);

        OSAL_MEMSET(&lld_tlv_buf, 0, sizeof(lld_tlv_buf));
        SET_MFW_FIELD(lld_tlv_buf.flags, LLDP_SYSTEM_TLV_VALID, 1);
        SET_MFW_FIELD(lld_tlv_buf.flags, LLDP_SYSTEM_TLV_MANDATORY,
                      !!p_params->discard_mandatory_tlv);
        SET_MFW_FIELD(lld_tlv_buf.flags, LLDP_SYSTEM_TLV_LENGTH,
                      p_params->buf_size);
        len = ECORE_LLDP_SYS_TLV_SIZE / 2;
        OSAL_MEMCPY(lld_tlv_buf.data, p_params->buf, len);

        addr = p_hwfn->mcp_info->port_addr +
                offsetof(struct public_port, system_lldp_tlvs_buf);
        ecore_memcpy_to(p_hwfn, p_ptt, addr, &lld_tlv_buf, sizeof(lld_tlv_buf));

        if  (p_params->buf_size > len) {
                addr = p_hwfn->mcp_info->port_addr +
                        offsetof(struct public_port, system_lldp_tlvs_buf2);
                ecore_memcpy_to(p_hwfn, p_ptt, addr, &p_params->buf[len],
                                ECORE_LLDP_SYS_TLV_SIZE / 2);
        }

        rc = ecore_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_SET_LLDP,
                           mb_param, &mcp_resp, &mcp_param);
        if (rc != ECORE_SUCCESS)
                DP_NOTICE(p_hwfn, false, "SET_LLDP failed, error = %d\n", rc);

        return rc;
}

enum _ecore_status_t
ecore_dcbx_get_dscp_priority(struct ecore_hwfn *p_hwfn,
                             u8 dscp_index, u8 *p_dscp_pri)
{
        struct ecore_dcbx_get *p_dcbx_info;
        enum _ecore_status_t rc;

        if (dscp_index >= ECORE_DCBX_DSCP_SIZE) {
                DP_ERR(p_hwfn, "Invalid dscp index %d\n", dscp_index);
                return ECORE_INVAL;
        }

        p_dcbx_info = OSAL_ALLOC(p_hwfn->p_dev, GFP_KERNEL,
                                 sizeof(*p_dcbx_info));
        if (!p_dcbx_info)
                return ECORE_NOMEM;

        OSAL_MEMSET(p_dcbx_info, 0, sizeof(*p_dcbx_info));
        rc = ecore_dcbx_query_params(p_hwfn, p_dcbx_info,
                                     ECORE_DCBX_OPERATIONAL_MIB);
        if (rc) {
                OSAL_FREE(p_hwfn->p_dev, p_dcbx_info);
                return rc;
        }

        *p_dscp_pri = p_dcbx_info->dscp.dscp_pri_map[dscp_index];
        OSAL_FREE(p_hwfn->p_dev, p_dcbx_info);

        return ECORE_SUCCESS;
}

enum _ecore_status_t
ecore_dcbx_set_dscp_priority(struct ecore_hwfn *p_hwfn, struct ecore_ptt *p_ptt,
                             u8 dscp_index, u8 pri_val)
{
        struct ecore_dcbx_set dcbx_set;
        enum _ecore_status_t rc;

        if (dscp_index >= ECORE_DCBX_DSCP_SIZE ||
            pri_val >= ECORE_MAX_PFC_PRIORITIES) {
                DP_ERR(p_hwfn, "Invalid dscp params: index = %d pri = %d\n",
                       dscp_index, pri_val);
                return ECORE_INVAL;
        }

        OSAL_MEMSET(&dcbx_set, 0, sizeof(dcbx_set));
        rc = ecore_dcbx_get_config_params(p_hwfn, &dcbx_set);
        if (rc)
                return rc;

        dcbx_set.override_flags = ECORE_DCBX_OVERRIDE_DSCP_CFG;
        dcbx_set.dscp.dscp_pri_map[dscp_index] = pri_val;

        return ecore_dcbx_config_params(p_hwfn, p_ptt, &dcbx_set, 1);
}

enum _ecore_status_t
ecore_lldp_get_stats(struct ecore_hwfn *p_hwfn, struct ecore_ptt *p_ptt,
                     struct ecore_lldp_stats *p_params)
{
        u32 mcp_resp = 0, mcp_param = 0, addr, val;
        struct lldp_stats_stc lldp_stats;
        enum _ecore_status_t rc;

        switch (p_params->agent) {
        case ECORE_LLDP_NEAREST_BRIDGE:
                val = LLDP_NEAREST_BRIDGE;
                break;
        case ECORE_LLDP_NEAREST_NON_TPMR_BRIDGE:
                val = LLDP_NEAREST_NON_TPMR_BRIDGE;
                break;
        case ECORE_LLDP_NEAREST_CUSTOMER_BRIDGE:
                val = LLDP_NEAREST_CUSTOMER_BRIDGE;
                break;
        default:
                DP_ERR(p_hwfn, "Invalid agent type %d\n", p_params->agent);
                return ECORE_INVAL;
        }

        rc = ecore_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_GET_LLDP_STATS,
                           val << DRV_MB_PARAM_LLDP_STATS_AGENT_OFFSET,
                           &mcp_resp, &mcp_param);
        if (rc != ECORE_SUCCESS) {
                DP_ERR(p_hwfn, "GET_LLDP_STATS failed, error = %d\n", rc);
                return rc;
        }

        addr = p_hwfn->mcp_info->drv_mb_addr +
                OFFSETOF(struct public_drv_mb, union_data);

        ecore_memcpy_from(p_hwfn, p_ptt, &lldp_stats, addr, sizeof(lldp_stats));

        p_params->tx_frames = lldp_stats.tx_frames_total;
        p_params->rx_frames = lldp_stats.rx_frames_total;
        p_params->rx_discards = lldp_stats.rx_frames_discarded;
        p_params->rx_age_outs = lldp_stats.rx_age_outs;

        return ECORE_SUCCESS;
}