// SPDX-License-Identifier: GPL-2.0-only
/*
 * Linux network driver for QLogic BR-series Converged Network Adapter.
 */
/*
 * Copyright (c) 2005-2014 Brocade Communications Systems, Inc.
 * Copyright (c) 2014-2015 QLogic Corporation
 * All rights reserved
 * www.qlogic.com
 */
#include "bna.h"

static inline int
ethport_can_be_up(struct bna_ethport *ethport)
{
        int ready = 0;
        if (ethport->bna->enet.type == BNA_ENET_T_REGULAR)
                ready = ((ethport->flags & BNA_ETHPORT_F_ADMIN_UP) &&
                         (ethport->flags & BNA_ETHPORT_F_RX_STARTED) &&
                         (ethport->flags & BNA_ETHPORT_F_PORT_ENABLED));
        else
                ready = ((ethport->flags & BNA_ETHPORT_F_ADMIN_UP) &&
                         (ethport->flags & BNA_ETHPORT_F_RX_STARTED) &&
                         !(ethport->flags & BNA_ETHPORT_F_PORT_ENABLED));
        return ready;
}

#define ethport_is_up ethport_can_be_up

enum bna_ethport_event {
        ETHPORT_E_START                 = 1,
        ETHPORT_E_STOP                  = 2,
        ETHPORT_E_FAIL                  = 3,
        ETHPORT_E_UP                    = 4,
        ETHPORT_E_DOWN                  = 5,
        ETHPORT_E_FWRESP_UP_OK          = 6,
        ETHPORT_E_FWRESP_DOWN           = 7,
        ETHPORT_E_FWRESP_UP_FAIL        = 8,
};

enum bna_enet_event {
        ENET_E_START                    = 1,
        ENET_E_STOP                     = 2,
        ENET_E_FAIL                     = 3,
        ENET_E_PAUSE_CFG                = 4,
        ENET_E_MTU_CFG                  = 5,
        ENET_E_FWRESP_PAUSE             = 6,
        ENET_E_CHLD_STOPPED             = 7,
};

enum bna_ioceth_event {
        IOCETH_E_ENABLE                 = 1,
        IOCETH_E_DISABLE                = 2,
        IOCETH_E_IOC_RESET              = 3,
        IOCETH_E_IOC_FAILED             = 4,
        IOCETH_E_IOC_READY              = 5,
        IOCETH_E_ENET_ATTR_RESP         = 6,
        IOCETH_E_ENET_STOPPED           = 7,
        IOCETH_E_IOC_DISABLED           = 8,
};

#define bna_stats_copy(_name, _type)                                    \
do {                                                                    \
        count = sizeof(struct bfi_enet_stats_ ## _type) / sizeof(u64);  \
        stats_src = (u64 *)&bna->stats.hw_stats_kva->_name ## _stats;   \
        stats_dst = (u64 *)&bna->stats.hw_stats._name ## _stats;        \
        for (i = 0; i < count; i++)                                     \
                stats_dst[i] = be64_to_cpu(stats_src[i]);               \
} while (0)                                                             \

/*
 * FW response handlers
 */

static void
bna_bfi_ethport_enable_aen(struct bna_ethport *ethport,
                                struct bfi_msgq_mhdr *msghdr)
{
        ethport->flags |= BNA_ETHPORT_F_PORT_ENABLED;

        if (ethport_can_be_up(ethport))
                bfa_fsm_send_event(ethport, ETHPORT_E_UP);
}

static void
bna_bfi_ethport_disable_aen(struct bna_ethport *ethport,
                                struct bfi_msgq_mhdr *msghdr)
{
        int ethport_up = ethport_is_up(ethport);

        ethport->flags &= ~BNA_ETHPORT_F_PORT_ENABLED;

        if (ethport_up)
                bfa_fsm_send_event(ethport, ETHPORT_E_DOWN);
}

static void
bna_bfi_ethport_admin_rsp(struct bna_ethport *ethport,
                                struct bfi_msgq_mhdr *msghdr)
{
        struct bfi_enet_enable_req *admin_req =
                &ethport->bfi_enet_cmd.admin_req;
        struct bfi_enet_rsp *rsp =
                container_of(msghdr, struct bfi_enet_rsp, mh);

        switch (admin_req->enable) {
        case BNA_STATUS_T_ENABLED:
                if (rsp->error == BFI_ENET_CMD_OK)
                        bfa_fsm_send_event(ethport, ETHPORT_E_FWRESP_UP_OK);
                else {
                        ethport->flags &= ~BNA_ETHPORT_F_PORT_ENABLED;
                        bfa_fsm_send_event(ethport, ETHPORT_E_FWRESP_UP_FAIL);
                }
                break;

        case BNA_STATUS_T_DISABLED:
                bfa_fsm_send_event(ethport, ETHPORT_E_FWRESP_DOWN);
                ethport->link_status = BNA_LINK_DOWN;
                ethport->link_cbfn(ethport->bna->bnad, BNA_LINK_DOWN);
                break;
        }
}

static void
bna_bfi_ethport_lpbk_rsp(struct bna_ethport *ethport,
                                struct bfi_msgq_mhdr *msghdr)
{
        struct bfi_enet_diag_lb_req *diag_lb_req =
                &ethport->bfi_enet_cmd.lpbk_req;
        struct bfi_enet_rsp *rsp =
                container_of(msghdr, struct bfi_enet_rsp, mh);

        switch (diag_lb_req->enable) {
        case BNA_STATUS_T_ENABLED:
                if (rsp->error == BFI_ENET_CMD_OK)
                        bfa_fsm_send_event(ethport, ETHPORT_E_FWRESP_UP_OK);
                else {
                        ethport->flags &= ~BNA_ETHPORT_F_ADMIN_UP;
                        bfa_fsm_send_event(ethport, ETHPORT_E_FWRESP_UP_FAIL);
                }
                break;

        case BNA_STATUS_T_DISABLED:
                bfa_fsm_send_event(ethport, ETHPORT_E_FWRESP_DOWN);
                break;
        }
}

static void
bna_bfi_pause_set_rsp(struct bna_enet *enet, struct bfi_msgq_mhdr *msghdr)
{
        bfa_fsm_send_event(enet, ENET_E_FWRESP_PAUSE);
}

static void
bna_bfi_attr_get_rsp(struct bna_ioceth *ioceth,
                        struct bfi_msgq_mhdr *msghdr)
{
        struct bfi_enet_attr_rsp *rsp =
                container_of(msghdr, struct bfi_enet_attr_rsp, mh);

        /**
         * Store only if not set earlier, since BNAD can override the HW
         * attributes
         */
        if (!ioceth->attr.fw_query_complete) {
                ioceth->attr.num_txq = ntohl(rsp->max_cfg);
                ioceth->attr.num_rxp = ntohl(rsp->max_cfg);
                ioceth->attr.num_ucmac = ntohl(rsp->max_ucmac);
                ioceth->attr.num_mcmac = BFI_ENET_MAX_MCAM;
                ioceth->attr.max_rit_size = ntohl(rsp->rit_size);
                ioceth->attr.fw_query_complete = true;
        }

        bfa_fsm_send_event(ioceth, IOCETH_E_ENET_ATTR_RESP);
}

static void
bna_bfi_stats_get_rsp(struct bna *bna, struct bfi_msgq_mhdr *msghdr)
{
        struct bfi_enet_stats_req *stats_req = &bna->stats_mod.stats_get;
        u64 *stats_src;
        u64 *stats_dst;
        u32 tx_enet_mask = ntohl(stats_req->tx_enet_mask);
        u32 rx_enet_mask = ntohl(stats_req->rx_enet_mask);
        int count;
        int i;

        bna_stats_copy(mac, mac);
        bna_stats_copy(bpc, bpc);
        bna_stats_copy(rad, rad);
        bna_stats_copy(rlb, rad);
        bna_stats_copy(fc_rx, fc_rx);
        bna_stats_copy(fc_tx, fc_tx);

        stats_src = (u64 *)&(bna->stats.hw_stats_kva->rxf_stats[0]);

        /* Copy Rxf stats to SW area, scatter them while copying */
        for (i = 0; i < BFI_ENET_CFG_MAX; i++) {
                stats_dst = (u64 *)&(bna->stats.hw_stats.rxf_stats[i]);
                memset(stats_dst, 0, sizeof(struct bfi_enet_stats_rxf));
                if (rx_enet_mask & BIT(i)) {
                        int k;
                        count = sizeof(struct bfi_enet_stats_rxf) /
                                sizeof(u64);
                        for (k = 0; k < count; k++) {
                                stats_dst[k] = be64_to_cpu(*stats_src);
                                stats_src++;
                        }
                }
        }

        /* Copy Txf stats to SW area, scatter them while copying */
        for (i = 0; i < BFI_ENET_CFG_MAX; i++) {
                stats_dst = (u64 *)&(bna->stats.hw_stats.txf_stats[i]);
                memset(stats_dst, 0, sizeof(struct bfi_enet_stats_txf));
                if (tx_enet_mask & BIT(i)) {
                        int k;
                        count = sizeof(struct bfi_enet_stats_txf) /
                                sizeof(u64);
                        for (k = 0; k < count; k++) {
                                stats_dst[k] = be64_to_cpu(*stats_src);
                                stats_src++;
                        }
                }
        }

        bna->stats_mod.stats_get_busy = false;
        bnad_cb_stats_get(bna->bnad, BNA_CB_SUCCESS, &bna->stats);
}

static void
bna_bfi_ethport_linkup_aen(struct bna_ethport *ethport,
                        struct bfi_msgq_mhdr *msghdr)
{
        ethport->link_status = BNA_LINK_UP;

        /* Dispatch events */
        ethport->link_cbfn(ethport->bna->bnad, ethport->link_status);
}

static void
bna_bfi_ethport_linkdown_aen(struct bna_ethport *ethport,
                                struct bfi_msgq_mhdr *msghdr)
{
        ethport->link_status = BNA_LINK_DOWN;

        /* Dispatch events */
        ethport->link_cbfn(ethport->bna->bnad, BNA_LINK_DOWN);
}

static void
bna_err_handler(struct bna *bna, u32 intr_status)
{
        if (BNA_IS_HALT_INTR(bna, intr_status))
                bna_halt_clear(bna);

        bfa_nw_ioc_error_isr(&bna->ioceth.ioc);
}

void
bna_mbox_handler(struct bna *bna, u32 intr_status)
{
        if (BNA_IS_ERR_INTR(bna, intr_status)) {
                bna_err_handler(bna, intr_status);
                return;
        }
        if (BNA_IS_MBOX_INTR(bna, intr_status))
                bfa_nw_ioc_mbox_isr(&bna->ioceth.ioc);
}

static void
bna_msgq_rsp_handler(void *arg, struct bfi_msgq_mhdr *msghdr)
{
        struct bna *bna = (struct bna *)arg;
        struct bna_tx *tx;
        struct bna_rx *rx;

        switch (msghdr->msg_id) {
        case BFI_ENET_I2H_RX_CFG_SET_RSP:
                bna_rx_from_rid(bna, msghdr->enet_id, rx);
                if (rx)
                        bna_bfi_rx_enet_start_rsp(rx, msghdr);
                break;

        case BFI_ENET_I2H_RX_CFG_CLR_RSP:
                bna_rx_from_rid(bna, msghdr->enet_id, rx);
                if (rx)
                        bna_bfi_rx_enet_stop_rsp(rx, msghdr);
                break;

        case BFI_ENET_I2H_RIT_CFG_RSP:
        case BFI_ENET_I2H_RSS_CFG_RSP:
        case BFI_ENET_I2H_RSS_ENABLE_RSP:
        case BFI_ENET_I2H_RX_PROMISCUOUS_RSP:
        case BFI_ENET_I2H_RX_DEFAULT_RSP:
        case BFI_ENET_I2H_MAC_UCAST_CLR_RSP:
        case BFI_ENET_I2H_MAC_UCAST_ADD_RSP:
        case BFI_ENET_I2H_MAC_UCAST_DEL_RSP:
        case BFI_ENET_I2H_MAC_MCAST_DEL_RSP:
        case BFI_ENET_I2H_MAC_MCAST_FILTER_RSP:
        case BFI_ENET_I2H_RX_VLAN_SET_RSP:
        case BFI_ENET_I2H_RX_VLAN_STRIP_ENABLE_RSP:
                bna_rx_from_rid(bna, msghdr->enet_id, rx);
                if (rx)
                        bna_bfi_rxf_cfg_rsp(&rx->rxf, msghdr);
                break;

        case BFI_ENET_I2H_MAC_UCAST_SET_RSP:
                bna_rx_from_rid(bna, msghdr->enet_id, rx);
                if (rx)
                        bna_bfi_rxf_ucast_set_rsp(&rx->rxf, msghdr);
                break;

        case BFI_ENET_I2H_MAC_MCAST_ADD_RSP:
                bna_rx_from_rid(bna, msghdr->enet_id, rx);
                if (rx)
                        bna_bfi_rxf_mcast_add_rsp(&rx->rxf, msghdr);
                break;

        case BFI_ENET_I2H_TX_CFG_SET_RSP:
                bna_tx_from_rid(bna, msghdr->enet_id, tx);
                if (tx)
                        bna_bfi_tx_enet_start_rsp(tx, msghdr);
                break;

        case BFI_ENET_I2H_TX_CFG_CLR_RSP:
                bna_tx_from_rid(bna, msghdr->enet_id, tx);
                if (tx)
                        bna_bfi_tx_enet_stop_rsp(tx, msghdr);
                break;

        case BFI_ENET_I2H_PORT_ADMIN_RSP:
                bna_bfi_ethport_admin_rsp(&bna->ethport, msghdr);
                break;

        case BFI_ENET_I2H_DIAG_LOOPBACK_RSP:
                bna_bfi_ethport_lpbk_rsp(&bna->ethport, msghdr);
                break;

        case BFI_ENET_I2H_SET_PAUSE_RSP:
                bna_bfi_pause_set_rsp(&bna->enet, msghdr);
                break;

        case BFI_ENET_I2H_GET_ATTR_RSP:
                bna_bfi_attr_get_rsp(&bna->ioceth, msghdr);
                break;

        case BFI_ENET_I2H_STATS_GET_RSP:
                bna_bfi_stats_get_rsp(bna, msghdr);
                break;

        case BFI_ENET_I2H_STATS_CLR_RSP:
                /* No-op */
                break;

        case BFI_ENET_I2H_LINK_UP_AEN:
                bna_bfi_ethport_linkup_aen(&bna->ethport, msghdr);
                break;

        case BFI_ENET_I2H_LINK_DOWN_AEN:
                bna_bfi_ethport_linkdown_aen(&bna->ethport, msghdr);
                break;

        case BFI_ENET_I2H_PORT_ENABLE_AEN:
                bna_bfi_ethport_enable_aen(&bna->ethport, msghdr);
                break;

        case BFI_ENET_I2H_PORT_DISABLE_AEN:
                bna_bfi_ethport_disable_aen(&bna->ethport, msghdr);
                break;

        case BFI_ENET_I2H_BW_UPDATE_AEN:
                bna_bfi_bw_update_aen(&bna->tx_mod);
                break;

        default:
                break;
        }
}

/* ETHPORT */

#define call_ethport_stop_cbfn(_ethport)                                \
do {                                                                    \
        if ((_ethport)->stop_cbfn) {                                    \
                void (*cbfn)(struct bna_enet *);                        \
                cbfn = (_ethport)->stop_cbfn;                           \
                (_ethport)->stop_cbfn = NULL;                           \
                cbfn(&(_ethport)->bna->enet);                           \
        }                                                               \
} while (0)

#define call_ethport_adminup_cbfn(ethport, status)                      \
do {                                                                    \
        if ((ethport)->adminup_cbfn) {                                  \
                void (*cbfn)(struct bnad *, enum bna_cb_status);        \
                cbfn = (ethport)->adminup_cbfn;                         \
                (ethport)->adminup_cbfn = NULL;                         \
                cbfn((ethport)->bna->bnad, status);                     \
        }                                                               \
} while (0)

static void
bna_bfi_ethport_admin_up(struct bna_ethport *ethport)
{
        struct bfi_enet_enable_req *admin_up_req =
                &ethport->bfi_enet_cmd.admin_req;

        bfi_msgq_mhdr_set(admin_up_req->mh, BFI_MC_ENET,
                BFI_ENET_H2I_PORT_ADMIN_UP_REQ, 0, 0);
        admin_up_req->mh.num_entries = htons(
                bfi_msgq_num_cmd_entries(sizeof(struct bfi_enet_enable_req)));
        admin_up_req->enable = BNA_STATUS_T_ENABLED;

        bfa_msgq_cmd_set(&ethport->msgq_cmd, NULL, NULL,
                sizeof(struct bfi_enet_enable_req), &admin_up_req->mh);
        bfa_msgq_cmd_post(&ethport->bna->msgq, &ethport->msgq_cmd);
}

static void
bna_bfi_ethport_admin_down(struct bna_ethport *ethport)
{
        struct bfi_enet_enable_req *admin_down_req =
                &ethport->bfi_enet_cmd.admin_req;

        bfi_msgq_mhdr_set(admin_down_req->mh, BFI_MC_ENET,
                BFI_ENET_H2I_PORT_ADMIN_UP_REQ, 0, 0);
        admin_down_req->mh.num_entries = htons(
                bfi_msgq_num_cmd_entries(sizeof(struct bfi_enet_enable_req)));
        admin_down_req->enable = BNA_STATUS_T_DISABLED;

        bfa_msgq_cmd_set(&ethport->msgq_cmd, NULL, NULL,
                sizeof(struct bfi_enet_enable_req), &admin_down_req->mh);
        bfa_msgq_cmd_post(&ethport->bna->msgq, &ethport->msgq_cmd);
}

static void
bna_bfi_ethport_lpbk_up(struct bna_ethport *ethport)
{
        struct bfi_enet_diag_lb_req *lpbk_up_req =
                &ethport->bfi_enet_cmd.lpbk_req;

        bfi_msgq_mhdr_set(lpbk_up_req->mh, BFI_MC_ENET,
                BFI_ENET_H2I_DIAG_LOOPBACK_REQ, 0, 0);
        lpbk_up_req->mh.num_entries = htons(
                bfi_msgq_num_cmd_entries(sizeof(struct bfi_enet_diag_lb_req)));
        lpbk_up_req->mode = (ethport->bna->enet.type ==
                                BNA_ENET_T_LOOPBACK_INTERNAL) ?
                                BFI_ENET_DIAG_LB_OPMODE_EXT :
                                BFI_ENET_DIAG_LB_OPMODE_CBL;
        lpbk_up_req->enable = BNA_STATUS_T_ENABLED;

        bfa_msgq_cmd_set(&ethport->msgq_cmd, NULL, NULL,
                sizeof(struct bfi_enet_diag_lb_req), &lpbk_up_req->mh);
        bfa_msgq_cmd_post(&ethport->bna->msgq, &ethport->msgq_cmd);
}

static void
bna_bfi_ethport_lpbk_down(struct bna_ethport *ethport)
{
        struct bfi_enet_diag_lb_req *lpbk_down_req =
                &ethport->bfi_enet_cmd.lpbk_req;

        bfi_msgq_mhdr_set(lpbk_down_req->mh, BFI_MC_ENET,
                BFI_ENET_H2I_DIAG_LOOPBACK_REQ, 0, 0);
        lpbk_down_req->mh.num_entries = htons(
                bfi_msgq_num_cmd_entries(sizeof(struct bfi_enet_diag_lb_req)));
        lpbk_down_req->enable = BNA_STATUS_T_DISABLED;

        bfa_msgq_cmd_set(&ethport->msgq_cmd, NULL, NULL,
                sizeof(struct bfi_enet_diag_lb_req), &lpbk_down_req->mh);
        bfa_msgq_cmd_post(&ethport->bna->msgq, &ethport->msgq_cmd);
}

static void
bna_bfi_ethport_up(struct bna_ethport *ethport)
{
        if (ethport->bna->enet.type == BNA_ENET_T_REGULAR)
                bna_bfi_ethport_admin_up(ethport);
        else
                bna_bfi_ethport_lpbk_up(ethport);
}

static void
bna_bfi_ethport_down(struct bna_ethport *ethport)
{
        if (ethport->bna->enet.type == BNA_ENET_T_REGULAR)
                bna_bfi_ethport_admin_down(ethport);
        else
                bna_bfi_ethport_lpbk_down(ethport);
}

bfa_fsm_state_decl(bna_ethport, stopped, struct bna_ethport,
                        enum bna_ethport_event);
bfa_fsm_state_decl(bna_ethport, down, struct bna_ethport,
                        enum bna_ethport_event);
bfa_fsm_state_decl(bna_ethport, up_resp_wait, struct bna_ethport,
                        enum bna_ethport_event);
bfa_fsm_state_decl(bna_ethport, down_resp_wait, struct bna_ethport,
                        enum bna_ethport_event);
bfa_fsm_state_decl(bna_ethport, up, struct bna_ethport,
                        enum bna_ethport_event);
bfa_fsm_state_decl(bna_ethport, last_resp_wait, struct bna_ethport,
                        enum bna_ethport_event);

static void
bna_ethport_sm_stopped_entry(struct bna_ethport *ethport)
{
        call_ethport_stop_cbfn(ethport);
}

static void
bna_ethport_sm_stopped(struct bna_ethport *ethport,
                        enum bna_ethport_event event)
{
        switch (event) {
        case ETHPORT_E_START:
                bfa_fsm_set_state(ethport, bna_ethport_sm_down);
                break;

        case ETHPORT_E_STOP:
                call_ethport_stop_cbfn(ethport);
                break;

        case ETHPORT_E_FAIL:
                /* No-op */
                break;

        case ETHPORT_E_DOWN:
                /* This event is received due to Rx objects failing */
                /* No-op */
                break;

        default:
                bfa_sm_fault(event);
        }
}

static void
bna_ethport_sm_down_entry(struct bna_ethport *ethport)
{
}

static void
bna_ethport_sm_down(struct bna_ethport *ethport,
                        enum bna_ethport_event event)
{
        switch (event) {
        case ETHPORT_E_STOP:
                bfa_fsm_set_state(ethport, bna_ethport_sm_stopped);
                break;

        case ETHPORT_E_FAIL:
                bfa_fsm_set_state(ethport, bna_ethport_sm_stopped);
                break;

        case ETHPORT_E_UP:
                bfa_fsm_set_state(ethport, bna_ethport_sm_up_resp_wait);
                bna_bfi_ethport_up(ethport);
                break;

        default:
                bfa_sm_fault(event);
        }
}

static void
bna_ethport_sm_up_resp_wait_entry(struct bna_ethport *ethport)
{
}

static void
bna_ethport_sm_up_resp_wait(struct bna_ethport *ethport,
                        enum bna_ethport_event event)
{
        switch (event) {
        case ETHPORT_E_STOP:
                bfa_fsm_set_state(ethport, bna_ethport_sm_last_resp_wait);
                break;

        case ETHPORT_E_FAIL:
                call_ethport_adminup_cbfn(ethport, BNA_CB_FAIL);
                bfa_fsm_set_state(ethport, bna_ethport_sm_stopped);
                break;

        case ETHPORT_E_DOWN:
                call_ethport_adminup_cbfn(ethport, BNA_CB_INTERRUPT);
                bfa_fsm_set_state(ethport, bna_ethport_sm_down_resp_wait);
                break;

        case ETHPORT_E_FWRESP_UP_OK:
                call_ethport_adminup_cbfn(ethport, BNA_CB_SUCCESS);
                bfa_fsm_set_state(ethport, bna_ethport_sm_up);
                break;

        case ETHPORT_E_FWRESP_UP_FAIL:
                call_ethport_adminup_cbfn(ethport, BNA_CB_FAIL);
                bfa_fsm_set_state(ethport, bna_ethport_sm_down);
                break;

        case ETHPORT_E_FWRESP_DOWN:
                /* down_resp_wait -> up_resp_wait transition on ETHPORT_E_UP */
                bna_bfi_ethport_up(ethport);
                break;

        default:
                bfa_sm_fault(event);
        }
}

static void
bna_ethport_sm_down_resp_wait_entry(struct bna_ethport *ethport)
{
        /**
         * NOTE: Do not call bna_bfi_ethport_down() here. That will over step
         * mbox due to up_resp_wait -> down_resp_wait transition on event
         * ETHPORT_E_DOWN
         */
}

static void
bna_ethport_sm_down_resp_wait(struct bna_ethport *ethport,
                        enum bna_ethport_event event)
{
        switch (event) {
        case ETHPORT_E_STOP:
                bfa_fsm_set_state(ethport, bna_ethport_sm_last_resp_wait);
                break;

        case ETHPORT_E_FAIL:
                bfa_fsm_set_state(ethport, bna_ethport_sm_stopped);
                break;

        case ETHPORT_E_UP:
                bfa_fsm_set_state(ethport, bna_ethport_sm_up_resp_wait);
                break;

        case ETHPORT_E_FWRESP_UP_OK:
                /* up_resp_wait->down_resp_wait transition on ETHPORT_E_DOWN */
                bna_bfi_ethport_down(ethport);
                break;

        case ETHPORT_E_FWRESP_UP_FAIL:
        case ETHPORT_E_FWRESP_DOWN:
                bfa_fsm_set_state(ethport, bna_ethport_sm_down);
                break;

        default:
                bfa_sm_fault(event);
        }
}

static void
bna_ethport_sm_up_entry(struct bna_ethport *ethport)
{
}

static void
bna_ethport_sm_up(struct bna_ethport *ethport,
                        enum bna_ethport_event event)
{
        switch (event) {
        case ETHPORT_E_STOP:
                bfa_fsm_set_state(ethport, bna_ethport_sm_last_resp_wait);
                bna_bfi_ethport_down(ethport);
                break;

        case ETHPORT_E_FAIL:
                bfa_fsm_set_state(ethport, bna_ethport_sm_stopped);
                break;

        case ETHPORT_E_DOWN:
                bfa_fsm_set_state(ethport, bna_ethport_sm_down_resp_wait);
                bna_bfi_ethport_down(ethport);
                break;

        default:
                bfa_sm_fault(event);
        }
}

static void
bna_ethport_sm_last_resp_wait_entry(struct bna_ethport *ethport)
{
}

static void
bna_ethport_sm_last_resp_wait(struct bna_ethport *ethport,
                        enum bna_ethport_event event)
{
        switch (event) {
        case ETHPORT_E_FAIL:
                bfa_fsm_set_state(ethport, bna_ethport_sm_stopped);
                break;

        case ETHPORT_E_DOWN:
                /**
                 * This event is received due to Rx objects stopping in
                 * parallel to ethport
                 */
                /* No-op */
                break;

        case ETHPORT_E_FWRESP_UP_OK:
                /* up_resp_wait->last_resp_wait transition on ETHPORT_T_STOP */
                bna_bfi_ethport_down(ethport);
                break;

        case ETHPORT_E_FWRESP_UP_FAIL:
        case ETHPORT_E_FWRESP_DOWN:
                bfa_fsm_set_state(ethport, bna_ethport_sm_stopped);
                break;

        default:
                bfa_sm_fault(event);
        }
}

static void
bna_ethport_init(struct bna_ethport *ethport, struct bna *bna)
{
        ethport->flags |= (BNA_ETHPORT_F_ADMIN_UP | BNA_ETHPORT_F_PORT_ENABLED);
        ethport->bna = bna;

        ethport->link_status = BNA_LINK_DOWN;
        ethport->link_cbfn = bnad_cb_ethport_link_status;

        ethport->rx_started_count = 0;

        ethport->stop_cbfn = NULL;
        ethport->adminup_cbfn = NULL;

        bfa_fsm_set_state(ethport, bna_ethport_sm_stopped);
}

static void
bna_ethport_uninit(struct bna_ethport *ethport)
{
        ethport->flags &= ~BNA_ETHPORT_F_ADMIN_UP;
        ethport->flags &= ~BNA_ETHPORT_F_PORT_ENABLED;

        ethport->bna = NULL;
}

static void
bna_ethport_start(struct bna_ethport *ethport)
{
        bfa_fsm_send_event(ethport, ETHPORT_E_START);
}

static void
bna_enet_cb_ethport_stopped(struct bna_enet *enet)
{
        bfa_wc_down(&enet->chld_stop_wc);
}

static void
bna_ethport_stop(struct bna_ethport *ethport)
{
        ethport->stop_cbfn = bna_enet_cb_ethport_stopped;
        bfa_fsm_send_event(ethport, ETHPORT_E_STOP);
}

static void
bna_ethport_fail(struct bna_ethport *ethport)
{
        /* Reset the physical port status to enabled */
        ethport->flags |= BNA_ETHPORT_F_PORT_ENABLED;

        if (ethport->link_status != BNA_LINK_DOWN) {
                ethport->link_status = BNA_LINK_DOWN;
                ethport->link_cbfn(ethport->bna->bnad, BNA_LINK_DOWN);
        }
        bfa_fsm_send_event(ethport, ETHPORT_E_FAIL);
}

/* Should be called only when ethport is disabled */
void
bna_ethport_cb_rx_started(struct bna_ethport *ethport)
{
        ethport->rx_started_count++;

        if (ethport->rx_started_count == 1) {
                ethport->flags |= BNA_ETHPORT_F_RX_STARTED;

                if (ethport_can_be_up(ethport))
                        bfa_fsm_send_event(ethport, ETHPORT_E_UP);
        }
}

void
bna_ethport_cb_rx_stopped(struct bna_ethport *ethport)
{
        int ethport_up = ethport_is_up(ethport);

        ethport->rx_started_count--;

        if (ethport->rx_started_count == 0) {
                ethport->flags &= ~BNA_ETHPORT_F_RX_STARTED;

                if (ethport_up)
                        bfa_fsm_send_event(ethport, ETHPORT_E_DOWN);
        }
}

/* ENET */

#define bna_enet_chld_start(enet)                                       \
do {                                                                    \
        enum bna_tx_type tx_type =                                      \
                ((enet)->type == BNA_ENET_T_REGULAR) ?                  \
                BNA_TX_T_REGULAR : BNA_TX_T_LOOPBACK;                   \
        enum bna_rx_type rx_type =                                      \
                ((enet)->type == BNA_ENET_T_REGULAR) ?                  \
                BNA_RX_T_REGULAR : BNA_RX_T_LOOPBACK;                   \
        bna_ethport_start(&(enet)->bna->ethport);                       \
        bna_tx_mod_start(&(enet)->bna->tx_mod, tx_type);                \
        bna_rx_mod_start(&(enet)->bna->rx_mod, rx_type);                \
} while (0)

#define bna_enet_chld_stop(enet)                                        \
do {                                                                    \
        enum bna_tx_type tx_type =                                      \
                ((enet)->type == BNA_ENET_T_REGULAR) ?                  \
                BNA_TX_T_REGULAR : BNA_TX_T_LOOPBACK;                   \
        enum bna_rx_type rx_type =                                      \
                ((enet)->type == BNA_ENET_T_REGULAR) ?                  \
                BNA_RX_T_REGULAR : BNA_RX_T_LOOPBACK;                   \
        bfa_wc_init(&(enet)->chld_stop_wc, bna_enet_cb_chld_stopped, (enet));\
        bfa_wc_up(&(enet)->chld_stop_wc);                               \
        bna_ethport_stop(&(enet)->bna->ethport);                        \
        bfa_wc_up(&(enet)->chld_stop_wc);                               \
        bna_tx_mod_stop(&(enet)->bna->tx_mod, tx_type);                 \
        bfa_wc_up(&(enet)->chld_stop_wc);                               \
        bna_rx_mod_stop(&(enet)->bna->rx_mod, rx_type);                 \
        bfa_wc_wait(&(enet)->chld_stop_wc);                             \
} while (0)

#define bna_enet_chld_fail(enet)                                        \
do {                                                                    \
        bna_ethport_fail(&(enet)->bna->ethport);                        \
        bna_tx_mod_fail(&(enet)->bna->tx_mod);                          \
        bna_rx_mod_fail(&(enet)->bna->rx_mod);                          \
} while (0)

#define bna_enet_rx_start(enet)                                         \
do {                                                                    \
        enum bna_rx_type rx_type =                                      \
                ((enet)->type == BNA_ENET_T_REGULAR) ?                  \
                BNA_RX_T_REGULAR : BNA_RX_T_LOOPBACK;                   \
        bna_rx_mod_start(&(enet)->bna->rx_mod, rx_type);                \
} while (0)

#define bna_enet_rx_stop(enet)                                          \
do {                                                                    \
        enum bna_rx_type rx_type =                                      \
                ((enet)->type == BNA_ENET_T_REGULAR) ?                  \
                BNA_RX_T_REGULAR : BNA_RX_T_LOOPBACK;                   \
        bfa_wc_init(&(enet)->chld_stop_wc, bna_enet_cb_chld_stopped, (enet));\
        bfa_wc_up(&(enet)->chld_stop_wc);                               \
        bna_rx_mod_stop(&(enet)->bna->rx_mod, rx_type);                 \
        bfa_wc_wait(&(enet)->chld_stop_wc);                             \
} while (0)

#define call_enet_stop_cbfn(enet)                                       \
do {                                                                    \
        if ((enet)->stop_cbfn) {                                        \
                void (*cbfn)(void *);                                   \
                void *cbarg;                                            \
                cbfn = (enet)->stop_cbfn;                               \
                cbarg = (enet)->stop_cbarg;                             \
                (enet)->stop_cbfn = NULL;                               \
                (enet)->stop_cbarg = NULL;                              \
                cbfn(cbarg);                                            \
        }                                                               \
} while (0)

#define call_enet_mtu_cbfn(enet)                                        \
do {                                                                    \
        if ((enet)->mtu_cbfn) {                                         \
                void (*cbfn)(struct bnad *);                            \
                cbfn = (enet)->mtu_cbfn;                                \
                (enet)->mtu_cbfn = NULL;                                \
                cbfn((enet)->bna->bnad);                                \
        }                                                               \
} while (0)

static void bna_enet_cb_chld_stopped(void *arg);
static void bna_bfi_pause_set(struct bna_enet *enet);

bfa_fsm_state_decl(bna_enet, stopped, struct bna_enet,
                        enum bna_enet_event);
bfa_fsm_state_decl(bna_enet, pause_init_wait, struct bna_enet,
                        enum bna_enet_event);
bfa_fsm_state_decl(bna_enet, last_resp_wait, struct bna_enet,
                        enum bna_enet_event);
bfa_fsm_state_decl(bna_enet, started, struct bna_enet,
                        enum bna_enet_event);
bfa_fsm_state_decl(bna_enet, cfg_wait, struct bna_enet,
                        enum bna_enet_event);
bfa_fsm_state_decl(bna_enet, cfg_stop_wait, struct bna_enet,
                        enum bna_enet_event);
bfa_fsm_state_decl(bna_enet, chld_stop_wait, struct bna_enet,
                        enum bna_enet_event);

static void
bna_enet_sm_stopped_entry(struct bna_enet *enet)
{
        call_enet_mtu_cbfn(enet);
        call_enet_stop_cbfn(enet);
}

static void
bna_enet_sm_stopped(struct bna_enet *enet, enum bna_enet_event event)
{
        switch (event) {
        case ENET_E_START:
                bfa_fsm_set_state(enet, bna_enet_sm_pause_init_wait);
                break;

        case ENET_E_STOP:
                call_enet_stop_cbfn(enet);
                break;

        case ENET_E_FAIL:
                /* No-op */
                break;

        case ENET_E_PAUSE_CFG:
                break;

        case ENET_E_MTU_CFG:
                call_enet_mtu_cbfn(enet);
                break;

        case ENET_E_CHLD_STOPPED:
                /**
                 * This event is received due to Ethport, Tx and Rx objects
                 * failing
                 */
                /* No-op */
                break;

        default:
                bfa_sm_fault(event);
        }
}

static void
bna_enet_sm_pause_init_wait_entry(struct bna_enet *enet)
{
        bna_bfi_pause_set(enet);
}

static void
bna_enet_sm_pause_init_wait(struct bna_enet *enet,
                                enum bna_enet_event event)
{
        switch (event) {
        case ENET_E_STOP:
                enet->flags &= ~BNA_ENET_F_PAUSE_CHANGED;
                bfa_fsm_set_state(enet, bna_enet_sm_last_resp_wait);
                break;

        case ENET_E_FAIL:
                enet->flags &= ~BNA_ENET_F_PAUSE_CHANGED;
                bfa_fsm_set_state(enet, bna_enet_sm_stopped);
                break;

        case ENET_E_PAUSE_CFG:
                enet->flags |= BNA_ENET_F_PAUSE_CHANGED;
                break;

        case ENET_E_MTU_CFG:
                /* No-op */
                break;

        case ENET_E_FWRESP_PAUSE:
                if (enet->flags & BNA_ENET_F_PAUSE_CHANGED) {
                        enet->flags &= ~BNA_ENET_F_PAUSE_CHANGED;
                        bna_bfi_pause_set(enet);
                } else {
                        bfa_fsm_set_state(enet, bna_enet_sm_started);
                        bna_enet_chld_start(enet);
                }
                break;

        default:
                bfa_sm_fault(event);
        }
}

static void
bna_enet_sm_last_resp_wait_entry(struct bna_enet *enet)
{
        enet->flags &= ~BNA_ENET_F_PAUSE_CHANGED;
}

static void
bna_enet_sm_last_resp_wait(struct bna_enet *enet,
                                enum bna_enet_event event)
{
        switch (event) {
        case ENET_E_FAIL:
        case ENET_E_FWRESP_PAUSE:
                bfa_fsm_set_state(enet, bna_enet_sm_stopped);
                break;

        default:
                bfa_sm_fault(event);
        }
}

static void
bna_enet_sm_started_entry(struct bna_enet *enet)
{
        /**
         * NOTE: Do not call bna_enet_chld_start() here, since it will be
         * inadvertently called during cfg_wait->started transition as well
         */
        call_enet_mtu_cbfn(enet);
}

static void
bna_enet_sm_started(struct bna_enet *enet,
                        enum bna_enet_event event)
{
        switch (event) {
        case ENET_E_STOP:
                bfa_fsm_set_state(enet, bna_enet_sm_chld_stop_wait);
                break;

        case ENET_E_FAIL:
                bfa_fsm_set_state(enet, bna_enet_sm_stopped);
                bna_enet_chld_fail(enet);
                break;

        case ENET_E_PAUSE_CFG:
                bfa_fsm_set_state(enet, bna_enet_sm_cfg_wait);
                bna_bfi_pause_set(enet);
                break;

        case ENET_E_MTU_CFG:
                bfa_fsm_set_state(enet, bna_enet_sm_cfg_wait);
                bna_enet_rx_stop(enet);
                break;

        default:
                bfa_sm_fault(event);
        }
}

static void
bna_enet_sm_cfg_wait_entry(struct bna_enet *enet)
{
}

static void
bna_enet_sm_cfg_wait(struct bna_enet *enet,
                        enum bna_enet_event event)
{
        switch (event) {
        case ENET_E_STOP:
                enet->flags &= ~BNA_ENET_F_PAUSE_CHANGED;
                enet->flags &= ~BNA_ENET_F_MTU_CHANGED;
                bfa_fsm_set_state(enet, bna_enet_sm_cfg_stop_wait);
                break;

        case ENET_E_FAIL:
                enet->flags &= ~BNA_ENET_F_PAUSE_CHANGED;
                enet->flags &= ~BNA_ENET_F_MTU_CHANGED;
                bfa_fsm_set_state(enet, bna_enet_sm_stopped);
                bna_enet_chld_fail(enet);
                break;

        case ENET_E_PAUSE_CFG:
                enet->flags |= BNA_ENET_F_PAUSE_CHANGED;
                break;

        case ENET_E_MTU_CFG:
                enet->flags |= BNA_ENET_F_MTU_CHANGED;
                break;

        case ENET_E_CHLD_STOPPED:
                bna_enet_rx_start(enet);
                fallthrough;
        case ENET_E_FWRESP_PAUSE:
                if (enet->flags & BNA_ENET_F_PAUSE_CHANGED) {
                        enet->flags &= ~BNA_ENET_F_PAUSE_CHANGED;
                        bna_bfi_pause_set(enet);
                } else if (enet->flags & BNA_ENET_F_MTU_CHANGED) {
                        enet->flags &= ~BNA_ENET_F_MTU_CHANGED;
                        bna_enet_rx_stop(enet);
                } else {
                        bfa_fsm_set_state(enet, bna_enet_sm_started);
                }
                break;

        default:
                bfa_sm_fault(event);
        }
}

static void
bna_enet_sm_cfg_stop_wait_entry(struct bna_enet *enet)
{
        enet->flags &= ~BNA_ENET_F_PAUSE_CHANGED;
        enet->flags &= ~BNA_ENET_F_MTU_CHANGED;
}

static void
bna_enet_sm_cfg_stop_wait(struct bna_enet *enet,
                                enum bna_enet_event event)
{
        switch (event) {
        case ENET_E_FAIL:
                bfa_fsm_set_state(enet, bna_enet_sm_stopped);
                bna_enet_chld_fail(enet);
                break;

        case ENET_E_FWRESP_PAUSE:
        case ENET_E_CHLD_STOPPED:
                bfa_fsm_set_state(enet, bna_enet_sm_chld_stop_wait);
                break;

        default:
                bfa_sm_fault(event);
        }
}

static void
bna_enet_sm_chld_stop_wait_entry(struct bna_enet *enet)
{
        bna_enet_chld_stop(enet);
}

static void
bna_enet_sm_chld_stop_wait(struct bna_enet *enet,
                                enum bna_enet_event event)
{
        switch (event) {
        case ENET_E_FAIL:
                bfa_fsm_set_state(enet, bna_enet_sm_stopped);
                bna_enet_chld_fail(enet);
                break;

        case ENET_E_CHLD_STOPPED:
                bfa_fsm_set_state(enet, bna_enet_sm_stopped);
                break;

        default:
                bfa_sm_fault(event);
        }
}

static void
bna_bfi_pause_set(struct bna_enet *enet)
{
        struct bfi_enet_set_pause_req *pause_req = &enet->pause_req;

        bfi_msgq_mhdr_set(pause_req->mh, BFI_MC_ENET,
                BFI_ENET_H2I_SET_PAUSE_REQ, 0, 0);
        pause_req->mh.num_entries = htons(
        bfi_msgq_num_cmd_entries(sizeof(struct bfi_enet_set_pause_req)));
        pause_req->tx_pause = enet->pause_config.tx_pause;
        pause_req->rx_pause = enet->pause_config.rx_pause;

        bfa_msgq_cmd_set(&enet->msgq_cmd, NULL, NULL,
                sizeof(struct bfi_enet_set_pause_req), &pause_req->mh);
        bfa_msgq_cmd_post(&enet->bna->msgq, &enet->msgq_cmd);
}

static void
bna_enet_cb_chld_stopped(void *arg)
{
        struct bna_enet *enet = (struct bna_enet *)arg;

        bfa_fsm_send_event(enet, ENET_E_CHLD_STOPPED);
}

static void
bna_enet_init(struct bna_enet *enet, struct bna *bna)
{
        enet->bna = bna;
        enet->flags = 0;
        enet->mtu = 0;
        enet->type = BNA_ENET_T_REGULAR;

        enet->stop_cbfn = NULL;
        enet->stop_cbarg = NULL;

        enet->mtu_cbfn = NULL;

        bfa_fsm_set_state(enet, bna_enet_sm_stopped);
}

static void
bna_enet_uninit(struct bna_enet *enet)
{
        enet->flags = 0;

        enet->bna = NULL;
}

static void
bna_enet_start(struct bna_enet *enet)
{
        enet->flags |= BNA_ENET_F_IOCETH_READY;
        if (enet->flags & BNA_ENET_F_ENABLED)
                bfa_fsm_send_event(enet, ENET_E_START);
}

static void
bna_ioceth_cb_enet_stopped(void *arg)
{
        struct bna_ioceth *ioceth = (struct bna_ioceth *)arg;

        bfa_fsm_send_event(ioceth, IOCETH_E_ENET_STOPPED);
}

static void
bna_enet_stop(struct bna_enet *enet)
{
        enet->stop_cbfn = bna_ioceth_cb_enet_stopped;
        enet->stop_cbarg = &enet->bna->ioceth;

        enet->flags &= ~BNA_ENET_F_IOCETH_READY;
        bfa_fsm_send_event(enet, ENET_E_STOP);
}

static void
bna_enet_fail(struct bna_enet *enet)
{
        enet->flags &= ~BNA_ENET_F_IOCETH_READY;
        bfa_fsm_send_event(enet, ENET_E_FAIL);
}

void
bna_enet_cb_tx_stopped(struct bna_enet *enet)
{
        bfa_wc_down(&enet->chld_stop_wc);
}

void
bna_enet_cb_rx_stopped(struct bna_enet *enet)
{
        bfa_wc_down(&enet->chld_stop_wc);
}

int
bna_enet_mtu_get(struct bna_enet *enet)
{
        return enet->mtu;
}

void
bna_enet_enable(struct bna_enet *enet)
{
        if (enet->fsm != bna_enet_sm_stopped)
                return;

        enet->flags |= BNA_ENET_F_ENABLED;

        if (enet->flags & BNA_ENET_F_IOCETH_READY)
                bfa_fsm_send_event(enet, ENET_E_START);
}

void
bna_enet_disable(struct bna_enet *enet, enum bna_cleanup_type type,
                 void (*cbfn)(void *))
{
        if (type == BNA_SOFT_CLEANUP) {
                (*cbfn)(enet->bna->bnad);
                return;
        }

        enet->stop_cbfn = cbfn;
        enet->stop_cbarg = enet->bna->bnad;

        enet->flags &= ~BNA_ENET_F_ENABLED;

        bfa_fsm_send_event(enet, ENET_E_STOP);
}

void
bna_enet_pause_config(struct bna_enet *enet,
                      struct bna_pause_config *pause_config)
{
        enet->pause_config = *pause_config;

        bfa_fsm_send_event(enet, ENET_E_PAUSE_CFG);
}

void
bna_enet_mtu_set(struct bna_enet *enet, int mtu,
                 void (*cbfn)(struct bnad *))
{
        enet->mtu = mtu;

        enet->mtu_cbfn = cbfn;

        bfa_fsm_send_event(enet, ENET_E_MTU_CFG);
}

void
bna_enet_perm_mac_get(struct bna_enet *enet, u8 *mac)
{
        bfa_nw_ioc_get_mac(&enet->bna->ioceth.ioc, mac);
}

/* IOCETH */

#define enable_mbox_intr(_ioceth)                                       \
do {                                                                    \
        u32 intr_status;                                                \
        bna_intr_status_get((_ioceth)->bna, intr_status);               \
        bnad_cb_mbox_intr_enable((_ioceth)->bna->bnad);                 \
        bna_mbox_intr_enable((_ioceth)->bna);                           \
} while (0)

#define disable_mbox_intr(_ioceth)                                      \
do {                                                                    \
        bna_mbox_intr_disable((_ioceth)->bna);                          \
        bnad_cb_mbox_intr_disable((_ioceth)->bna->bnad);                \
} while (0)

#define call_ioceth_stop_cbfn(_ioceth)                                  \
do {                                                                    \
        if ((_ioceth)->stop_cbfn) {                                     \
                void (*cbfn)(struct bnad *);                            \
                struct bnad *cbarg;                                     \
                cbfn = (_ioceth)->stop_cbfn;                            \
                cbarg = (_ioceth)->stop_cbarg;                          \
                (_ioceth)->stop_cbfn = NULL;                            \
                (_ioceth)->stop_cbarg = NULL;                           \
                cbfn(cbarg);                                            \
        }                                                               \
} while (0)

#define bna_stats_mod_uninit(_stats_mod)                                \
do {                                                                    \
} while (0)

#define bna_stats_mod_start(_stats_mod)                                 \
do {                                                                    \
        (_stats_mod)->ioc_ready = true;                                 \
} while (0)

#define bna_stats_mod_stop(_stats_mod)                                  \
do {                                                                    \
        (_stats_mod)->ioc_ready = false;                                \
} while (0)

#define bna_stats_mod_fail(_stats_mod)                                  \
do {                                                                    \
        (_stats_mod)->ioc_ready = false;                                \
        (_stats_mod)->stats_get_busy = false;                           \
        (_stats_mod)->stats_clr_busy = false;                           \
} while (0)

static void bna_bfi_attr_get(struct bna_ioceth *ioceth);

bfa_fsm_state_decl(bna_ioceth, stopped, struct bna_ioceth,
                        enum bna_ioceth_event);
bfa_fsm_state_decl(bna_ioceth, ioc_ready_wait, struct bna_ioceth,
                        enum bna_ioceth_event);
bfa_fsm_state_decl(bna_ioceth, enet_attr_wait, struct bna_ioceth,
                        enum bna_ioceth_event);
bfa_fsm_state_decl(bna_ioceth, ready, struct bna_ioceth,
                        enum bna_ioceth_event);
bfa_fsm_state_decl(bna_ioceth, last_resp_wait, struct bna_ioceth,
                        enum bna_ioceth_event);
bfa_fsm_state_decl(bna_ioceth, enet_stop_wait, struct bna_ioceth,
                        enum bna_ioceth_event);
bfa_fsm_state_decl(bna_ioceth, ioc_disable_wait, struct bna_ioceth,
                        enum bna_ioceth_event);
bfa_fsm_state_decl(bna_ioceth, failed, struct bna_ioceth,
                        enum bna_ioceth_event);

static void
bna_ioceth_sm_stopped_entry(struct bna_ioceth *ioceth)
{
        call_ioceth_stop_cbfn(ioceth);
}

static void
bna_ioceth_sm_stopped(struct bna_ioceth *ioceth,
                        enum bna_ioceth_event event)
{
        switch (event) {
        case IOCETH_E_ENABLE:
                bfa_fsm_set_state(ioceth, bna_ioceth_sm_ioc_ready_wait);
                bfa_nw_ioc_enable(&ioceth->ioc);
                break;

        case IOCETH_E_DISABLE:
                bfa_fsm_set_state(ioceth, bna_ioceth_sm_stopped);
                break;

        case IOCETH_E_IOC_RESET:
                enable_mbox_intr(ioceth);
                break;

        case IOCETH_E_IOC_FAILED:
                disable_mbox_intr(ioceth);
                bfa_fsm_set_state(ioceth, bna_ioceth_sm_failed);
                break;

        default:
                bfa_sm_fault(event);
        }
}

static void
bna_ioceth_sm_ioc_ready_wait_entry(struct bna_ioceth *ioceth)
{
        /**
         * Do not call bfa_nw_ioc_enable() here. It must be called in the
         * previous state due to failed -> ioc_ready_wait transition.
         */
}

static void
bna_ioceth_sm_ioc_ready_wait(struct bna_ioceth *ioceth,
                                enum bna_ioceth_event event)
{
        switch (event) {
        case IOCETH_E_DISABLE:
                bfa_fsm_set_state(ioceth, bna_ioceth_sm_ioc_disable_wait);
                bfa_nw_ioc_disable(&ioceth->ioc);
                break;

        case IOCETH_E_IOC_RESET:
                enable_mbox_intr(ioceth);
                break;

        case IOCETH_E_IOC_FAILED:
                disable_mbox_intr(ioceth);
                bfa_fsm_set_state(ioceth, bna_ioceth_sm_failed);
                break;

        case IOCETH_E_IOC_READY:
                bfa_fsm_set_state(ioceth, bna_ioceth_sm_enet_attr_wait);
                break;

        default:
                bfa_sm_fault(event);
        }
}

static void
bna_ioceth_sm_enet_attr_wait_entry(struct bna_ioceth *ioceth)
{
        bna_bfi_attr_get(ioceth);
}

static void
bna_ioceth_sm_enet_attr_wait(struct bna_ioceth *ioceth,
                                enum bna_ioceth_event event)
{
        switch (event) {
        case IOCETH_E_DISABLE:
                bfa_fsm_set_state(ioceth, bna_ioceth_sm_last_resp_wait);
                break;

        case IOCETH_E_IOC_FAILED:
                disable_mbox_intr(ioceth);
                bfa_fsm_set_state(ioceth, bna_ioceth_sm_failed);
                break;

        case IOCETH_E_ENET_ATTR_RESP:
                bfa_fsm_set_state(ioceth, bna_ioceth_sm_ready);
                break;

        default:
                bfa_sm_fault(event);
        }
}

static void
bna_ioceth_sm_ready_entry(struct bna_ioceth *ioceth)
{
        bna_enet_start(&ioceth->bna->enet);
        bna_stats_mod_start(&ioceth->bna->stats_mod);
        bnad_cb_ioceth_ready(ioceth->bna->bnad);
}

static void
bna_ioceth_sm_ready(struct bna_ioceth *ioceth, enum bna_ioceth_event event)
{
        switch (event) {
        case IOCETH_E_DISABLE:
                bfa_fsm_set_state(ioceth, bna_ioceth_sm_enet_stop_wait);
                break;

        case IOCETH_E_IOC_FAILED:
                disable_mbox_intr(ioceth);
                bna_enet_fail(&ioceth->bna->enet);
                bna_stats_mod_fail(&ioceth->bna->stats_mod);
                bfa_fsm_set_state(ioceth, bna_ioceth_sm_failed);
                break;

        default:
                bfa_sm_fault(event);
        }
}

static void
bna_ioceth_sm_last_resp_wait_entry(struct bna_ioceth *ioceth)
{
}

static void
bna_ioceth_sm_last_resp_wait(struct bna_ioceth *ioceth,
                                enum bna_ioceth_event event)
{
        switch (event) {
        case IOCETH_E_IOC_FAILED:
                bfa_fsm_set_state(ioceth, bna_ioceth_sm_ioc_disable_wait);
                disable_mbox_intr(ioceth);
                bfa_nw_ioc_disable(&ioceth->ioc);
                break;

        case IOCETH_E_ENET_ATTR_RESP:
                bfa_fsm_set_state(ioceth, bna_ioceth_sm_ioc_disable_wait);
                bfa_nw_ioc_disable(&ioceth->ioc);
                break;

        default:
                bfa_sm_fault(event);
        }
}

static void
bna_ioceth_sm_enet_stop_wait_entry(struct bna_ioceth *ioceth)
{
        bna_stats_mod_stop(&ioceth->bna->stats_mod);
        bna_enet_stop(&ioceth->bna->enet);
}

static void
bna_ioceth_sm_enet_stop_wait(struct bna_ioceth *ioceth,
                                enum bna_ioceth_event event)
{
        switch (event) {
        case IOCETH_E_IOC_FAILED:
                bfa_fsm_set_state(ioceth, bna_ioceth_sm_ioc_disable_wait);
                disable_mbox_intr(ioceth);
                bna_enet_fail(&ioceth->bna->enet);
                bna_stats_mod_fail(&ioceth->bna->stats_mod);
                bfa_nw_ioc_disable(&ioceth->ioc);
                break;

        case IOCETH_E_ENET_STOPPED:
                bfa_fsm_set_state(ioceth, bna_ioceth_sm_ioc_disable_wait);
                bfa_nw_ioc_disable(&ioceth->ioc);
                break;

        default:
                bfa_sm_fault(event);
        }
}

static void
bna_ioceth_sm_ioc_disable_wait_entry(struct bna_ioceth *ioceth)
{
}

static void
bna_ioceth_sm_ioc_disable_wait(struct bna_ioceth *ioceth,
                                enum bna_ioceth_event event)
{
        switch (event) {
        case IOCETH_E_IOC_DISABLED:
                disable_mbox_intr(ioceth);
                bfa_fsm_set_state(ioceth, bna_ioceth_sm_stopped);
                break;

        case IOCETH_E_ENET_STOPPED:
                /* This event is received due to enet failing */
                /* No-op */
                break;

        default:
                bfa_sm_fault(event);
        }
}

static void
bna_ioceth_sm_failed_entry(struct bna_ioceth *ioceth)
{
        bnad_cb_ioceth_failed(ioceth->bna->bnad);
}

static void
bna_ioceth_sm_failed(struct bna_ioceth *ioceth,
                        enum bna_ioceth_event event)
{
        switch (event) {
        case IOCETH_E_DISABLE:
                bfa_fsm_set_state(ioceth, bna_ioceth_sm_ioc_disable_wait);
                bfa_nw_ioc_disable(&ioceth->ioc);
                break;

        case IOCETH_E_IOC_RESET:
                enable_mbox_intr(ioceth);
                bfa_fsm_set_state(ioceth, bna_ioceth_sm_ioc_ready_wait);
                break;

        case IOCETH_E_IOC_FAILED:
                break;

        default:
                bfa_sm_fault(event);
        }
}

static void
bna_bfi_attr_get(struct bna_ioceth *ioceth)
{
        struct bfi_enet_attr_req *attr_req = &ioceth->attr_req;

        bfi_msgq_mhdr_set(attr_req->mh, BFI_MC_ENET,
                BFI_ENET_H2I_GET_ATTR_REQ, 0, 0);
        attr_req->mh.num_entries = htons(
        bfi_msgq_num_cmd_entries(sizeof(struct bfi_enet_attr_req)));
        bfa_msgq_cmd_set(&ioceth->msgq_cmd, NULL, NULL,
                sizeof(struct bfi_enet_attr_req), &attr_req->mh);
        bfa_msgq_cmd_post(&ioceth->bna->msgq, &ioceth->msgq_cmd);
}

/* IOC callback functions */

static void
bna_cb_ioceth_enable(void *arg, enum bfa_status error)
{
        struct bna_ioceth *ioceth = (struct bna_ioceth *)arg;

        if (error)
                bfa_fsm_send_event(ioceth, IOCETH_E_IOC_FAILED);
        else
                bfa_fsm_send_event(ioceth, IOCETH_E_IOC_READY);
}

static void
bna_cb_ioceth_disable(void *arg)
{
        struct bna_ioceth *ioceth = (struct bna_ioceth *)arg;

        bfa_fsm_send_event(ioceth, IOCETH_E_IOC_DISABLED);
}

static void
bna_cb_ioceth_hbfail(void *arg)
{
        struct bna_ioceth *ioceth = (struct bna_ioceth *)arg;

        bfa_fsm_send_event(ioceth, IOCETH_E_IOC_FAILED);
}

static void
bna_cb_ioceth_reset(void *arg)
{
        struct bna_ioceth *ioceth = (struct bna_ioceth *)arg;

        bfa_fsm_send_event(ioceth, IOCETH_E_IOC_RESET);
}

static struct bfa_ioc_cbfn bna_ioceth_cbfn = {
        .enable_cbfn = bna_cb_ioceth_enable,
        .disable_cbfn = bna_cb_ioceth_disable,
        .hbfail_cbfn = bna_cb_ioceth_hbfail,
        .reset_cbfn = bna_cb_ioceth_reset
};

static void bna_attr_init(struct bna_ioceth *ioceth)
{
        ioceth->attr.num_txq = BFI_ENET_DEF_TXQ;
        ioceth->attr.num_rxp = BFI_ENET_DEF_RXP;
        ioceth->attr.num_ucmac = BFI_ENET_DEF_UCAM;
        ioceth->attr.num_mcmac = BFI_ENET_MAX_MCAM;
        ioceth->attr.max_rit_size = BFI_ENET_DEF_RITSZ;
        ioceth->attr.fw_query_complete = false;
}

static void
bna_ioceth_init(struct bna_ioceth *ioceth, struct bna *bna,
                struct bna_res_info *res_info)
{
        u64 dma;
        u8 *kva;

        ioceth->bna = bna;

        /**
         * Attach IOC and claim:
         *      1. DMA memory for IOC attributes
         *      2. Kernel memory for FW trace
         */
        bfa_nw_ioc_attach(&ioceth->ioc, ioceth, &bna_ioceth_cbfn);
        bfa_nw_ioc_pci_init(&ioceth->ioc, &bna->pcidev, BFI_PCIFN_CLASS_ETH);

        BNA_GET_DMA_ADDR(
                &res_info[BNA_RES_MEM_T_ATTR].res_u.mem_info.mdl[0].dma, dma);
        kva = res_info[BNA_RES_MEM_T_ATTR].res_u.mem_info.mdl[0].kva;
        bfa_nw_ioc_mem_claim(&ioceth->ioc, kva, dma);

        kva = res_info[BNA_RES_MEM_T_FWTRC].res_u.mem_info.mdl[0].kva;
        bfa_nw_ioc_debug_memclaim(&ioceth->ioc, kva);

        /**
         * Attach common modules (Diag, SFP, CEE, Port) and claim respective
         * DMA memory.
         */
        BNA_GET_DMA_ADDR(
                &res_info[BNA_RES_MEM_T_COM].res_u.mem_info.mdl[0].dma, dma);
        kva = res_info[BNA_RES_MEM_T_COM].res_u.mem_info.mdl[0].kva;
        bfa_nw_cee_attach(&bna->cee, &ioceth->ioc, bna);
        bfa_nw_cee_mem_claim(&bna->cee, kva, dma);
        kva += bfa_nw_cee_meminfo();
        dma += bfa_nw_cee_meminfo();

        bfa_nw_flash_attach(&bna->flash, &ioceth->ioc, bna);
        bfa_nw_flash_memclaim(&bna->flash, kva, dma);
        kva += bfa_nw_flash_meminfo();
        dma += bfa_nw_flash_meminfo();

        bfa_msgq_attach(&bna->msgq, &ioceth->ioc);
        bfa_msgq_memclaim(&bna->msgq, kva, dma);
        bfa_msgq_regisr(&bna->msgq, BFI_MC_ENET, bna_msgq_rsp_handler, bna);
        kva += bfa_msgq_meminfo();
        dma += bfa_msgq_meminfo();

        ioceth->stop_cbfn = NULL;
        ioceth->stop_cbarg = NULL;

        bna_attr_init(ioceth);

        bfa_fsm_set_state(ioceth, bna_ioceth_sm_stopped);
}

static void
bna_ioceth_uninit(struct bna_ioceth *ioceth)
{
        bfa_nw_ioc_detach(&ioceth->ioc);

        ioceth->bna = NULL;
}

void
bna_ioceth_enable(struct bna_ioceth *ioceth)
{
        if (ioceth->fsm == bna_ioceth_sm_ready) {
                bnad_cb_ioceth_ready(ioceth->bna->bnad);
                return;
        }

        if (ioceth->fsm == bna_ioceth_sm_stopped)
                bfa_fsm_send_event(ioceth, IOCETH_E_ENABLE);
}

void
bna_ioceth_disable(struct bna_ioceth *ioceth, enum bna_cleanup_type type)
{
        if (type == BNA_SOFT_CLEANUP) {
                bnad_cb_ioceth_disabled(ioceth->bna->bnad);
                return;
        }

        ioceth->stop_cbfn = bnad_cb_ioceth_disabled;
        ioceth->stop_cbarg = ioceth->bna->bnad;

        bfa_fsm_send_event(ioceth, IOCETH_E_DISABLE);
}

static void
bna_ucam_mod_init(struct bna_ucam_mod *ucam_mod, struct bna *bna,
                  struct bna_res_info *res_info)
{
        int i;

        ucam_mod->ucmac = (struct bna_mac *)
        res_info[BNA_MOD_RES_MEM_T_UCMAC_ARRAY].res_u.mem_info.mdl[0].kva;

        INIT_LIST_HEAD(&ucam_mod->free_q);
        for (i = 0; i < bna->ioceth.attr.num_ucmac; i++)
                list_add_tail(&ucam_mod->ucmac[i].qe, &ucam_mod->free_q);

        /* A separate queue to allow synchronous setting of a list of MACs */
        INIT_LIST_HEAD(&ucam_mod->del_q);
        for (; i < (bna->ioceth.attr.num_ucmac * 2); i++)
                list_add_tail(&ucam_mod->ucmac[i].qe, &ucam_mod->del_q);

        ucam_mod->bna = bna;
}

static void
bna_ucam_mod_uninit(struct bna_ucam_mod *ucam_mod)
{
        ucam_mod->bna = NULL;
}

static void
bna_mcam_mod_init(struct bna_mcam_mod *mcam_mod, struct bna *bna,
                  struct bna_res_info *res_info)
{
        int i;

        mcam_mod->mcmac = (struct bna_mac *)
        res_info[BNA_MOD_RES_MEM_T_MCMAC_ARRAY].res_u.mem_info.mdl[0].kva;

        INIT_LIST_HEAD(&mcam_mod->free_q);
        for (i = 0; i < bna->ioceth.attr.num_mcmac; i++)
                list_add_tail(&mcam_mod->mcmac[i].qe, &mcam_mod->free_q);

        mcam_mod->mchandle = (struct bna_mcam_handle *)
        res_info[BNA_MOD_RES_MEM_T_MCHANDLE_ARRAY].res_u.mem_info.mdl[0].kva;

        INIT_LIST_HEAD(&mcam_mod->free_handle_q);
        for (i = 0; i < bna->ioceth.attr.num_mcmac; i++)
                list_add_tail(&mcam_mod->mchandle[i].qe,
                              &mcam_mod->free_handle_q);

        /* A separate queue to allow synchronous setting of a list of MACs */
        INIT_LIST_HEAD(&mcam_mod->del_q);
        for (; i < (bna->ioceth.attr.num_mcmac * 2); i++)
                list_add_tail(&mcam_mod->mcmac[i].qe, &mcam_mod->del_q);

        mcam_mod->bna = bna;
}

static void
bna_mcam_mod_uninit(struct bna_mcam_mod *mcam_mod)
{
        mcam_mod->bna = NULL;
}

static void
bna_bfi_stats_get(struct bna *bna)
{
        struct bfi_enet_stats_req *stats_req = &bna->stats_mod.stats_get;

        bna->stats_mod.stats_get_busy = true;

        bfi_msgq_mhdr_set(stats_req->mh, BFI_MC_ENET,
                BFI_ENET_H2I_STATS_GET_REQ, 0, 0);
        stats_req->mh.num_entries = htons(
                bfi_msgq_num_cmd_entries(sizeof(struct bfi_enet_stats_req)));
        stats_req->stats_mask = htons(BFI_ENET_STATS_ALL);
        stats_req->tx_enet_mask = htonl(bna->tx_mod.rid_mask);
        stats_req->rx_enet_mask = htonl(bna->rx_mod.rid_mask);
        stats_req->host_buffer.a32.addr_hi = bna->stats.hw_stats_dma.msb;
        stats_req->host_buffer.a32.addr_lo = bna->stats.hw_stats_dma.lsb;

        bfa_msgq_cmd_set(&bna->stats_mod.stats_get_cmd, NULL, NULL,
                sizeof(struct bfi_enet_stats_req), &stats_req->mh);
        bfa_msgq_cmd_post(&bna->msgq, &bna->stats_mod.stats_get_cmd);
}

void
bna_res_req(struct bna_res_info *res_info)
{
        /* DMA memory for COMMON_MODULE */
        res_info[BNA_RES_MEM_T_COM].res_type = BNA_RES_T_MEM;
        res_info[BNA_RES_MEM_T_COM].res_u.mem_info.mem_type = BNA_MEM_T_DMA;
        res_info[BNA_RES_MEM_T_COM].res_u.mem_info.num = 1;
        res_info[BNA_RES_MEM_T_COM].res_u.mem_info.len = ALIGN(
                                (bfa_nw_cee_meminfo() +
                                 bfa_nw_flash_meminfo() +
                                 bfa_msgq_meminfo()), PAGE_SIZE);

        /* DMA memory for retrieving IOC attributes */
        res_info[BNA_RES_MEM_T_ATTR].res_type = BNA_RES_T_MEM;
        res_info[BNA_RES_MEM_T_ATTR].res_u.mem_info.mem_type = BNA_MEM_T_DMA;
        res_info[BNA_RES_MEM_T_ATTR].res_u.mem_info.num = 1;
        res_info[BNA_RES_MEM_T_ATTR].res_u.mem_info.len =
                                ALIGN(bfa_nw_ioc_meminfo(), PAGE_SIZE);

        /* Virtual memory for retreiving fw_trc */
        res_info[BNA_RES_MEM_T_FWTRC].res_type = BNA_RES_T_MEM;
        res_info[BNA_RES_MEM_T_FWTRC].res_u.mem_info.mem_type = BNA_MEM_T_KVA;
        res_info[BNA_RES_MEM_T_FWTRC].res_u.mem_info.num = 1;
        res_info[BNA_RES_MEM_T_FWTRC].res_u.mem_info.len = BNA_DBG_FWTRC_LEN;

        /* DMA memory for retreiving stats */
        res_info[BNA_RES_MEM_T_STATS].res_type = BNA_RES_T_MEM;
        res_info[BNA_RES_MEM_T_STATS].res_u.mem_info.mem_type = BNA_MEM_T_DMA;
        res_info[BNA_RES_MEM_T_STATS].res_u.mem_info.num = 1;
        res_info[BNA_RES_MEM_T_STATS].res_u.mem_info.len =
                                ALIGN(sizeof(struct bfi_enet_stats),
                                        PAGE_SIZE);
}

void
bna_mod_res_req(struct bna *bna, struct bna_res_info *res_info)
{
        struct bna_attr *attr = &bna->ioceth.attr;

        /* Virtual memory for Tx objects - stored by Tx module */
        res_info[BNA_MOD_RES_MEM_T_TX_ARRAY].res_type = BNA_RES_T_MEM;
        res_info[BNA_MOD_RES_MEM_T_TX_ARRAY].res_u.mem_info.mem_type =
                BNA_MEM_T_KVA;
        res_info[BNA_MOD_RES_MEM_T_TX_ARRAY].res_u.mem_info.num = 1;
        res_info[BNA_MOD_RES_MEM_T_TX_ARRAY].res_u.mem_info.len =
                attr->num_txq * sizeof(struct bna_tx);

        /* Virtual memory for TxQ - stored by Tx module */
        res_info[BNA_MOD_RES_MEM_T_TXQ_ARRAY].res_type = BNA_RES_T_MEM;
        res_info[BNA_MOD_RES_MEM_T_TXQ_ARRAY].res_u.mem_info.mem_type =
                BNA_MEM_T_KVA;
        res_info[BNA_MOD_RES_MEM_T_TXQ_ARRAY].res_u.mem_info.num = 1;
        res_info[BNA_MOD_RES_MEM_T_TXQ_ARRAY].res_u.mem_info.len =
                attr->num_txq * sizeof(struct bna_txq);

        /* Virtual memory for Rx objects - stored by Rx module */
        res_info[BNA_MOD_RES_MEM_T_RX_ARRAY].res_type = BNA_RES_T_MEM;
        res_info[BNA_MOD_RES_MEM_T_RX_ARRAY].res_u.mem_info.mem_type =
                BNA_MEM_T_KVA;
        res_info[BNA_MOD_RES_MEM_T_RX_ARRAY].res_u.mem_info.num = 1;
        res_info[BNA_MOD_RES_MEM_T_RX_ARRAY].res_u.mem_info.len =
                attr->num_rxp * sizeof(struct bna_rx);

        /* Virtual memory for RxPath - stored by Rx module */
        res_info[BNA_MOD_RES_MEM_T_RXP_ARRAY].res_type = BNA_RES_T_MEM;
        res_info[BNA_MOD_RES_MEM_T_RXP_ARRAY].res_u.mem_info.mem_type =
                BNA_MEM_T_KVA;
        res_info[BNA_MOD_RES_MEM_T_RXP_ARRAY].res_u.mem_info.num = 1;
        res_info[BNA_MOD_RES_MEM_T_RXP_ARRAY].res_u.mem_info.len =
                attr->num_rxp * sizeof(struct bna_rxp);

        /* Virtual memory for RxQ - stored by Rx module */
        res_info[BNA_MOD_RES_MEM_T_RXQ_ARRAY].res_type = BNA_RES_T_MEM;
        res_info[BNA_MOD_RES_MEM_T_RXQ_ARRAY].res_u.mem_info.mem_type =
                BNA_MEM_T_KVA;
        res_info[BNA_MOD_RES_MEM_T_RXQ_ARRAY].res_u.mem_info.num = 1;
        res_info[BNA_MOD_RES_MEM_T_RXQ_ARRAY].res_u.mem_info.len =
                (attr->num_rxp * 2) * sizeof(struct bna_rxq);

        /* Virtual memory for Unicast MAC address - stored by ucam module */
        res_info[BNA_MOD_RES_MEM_T_UCMAC_ARRAY].res_type = BNA_RES_T_MEM;
        res_info[BNA_MOD_RES_MEM_T_UCMAC_ARRAY].res_u.mem_info.mem_type =
                BNA_MEM_T_KVA;
        res_info[BNA_MOD_RES_MEM_T_UCMAC_ARRAY].res_u.mem_info.num = 1;
        res_info[BNA_MOD_RES_MEM_T_UCMAC_ARRAY].res_u.mem_info.len =
                (attr->num_ucmac * 2) * sizeof(struct bna_mac);

        /* Virtual memory for Multicast MAC address - stored by mcam module */
        res_info[BNA_MOD_RES_MEM_T_MCMAC_ARRAY].res_type = BNA_RES_T_MEM;
        res_info[BNA_MOD_RES_MEM_T_MCMAC_ARRAY].res_u.mem_info.mem_type =
                BNA_MEM_T_KVA;
        res_info[BNA_MOD_RES_MEM_T_MCMAC_ARRAY].res_u.mem_info.num = 1;
        res_info[BNA_MOD_RES_MEM_T_MCMAC_ARRAY].res_u.mem_info.len =
                (attr->num_mcmac * 2) * sizeof(struct bna_mac);

        /* Virtual memory for Multicast handle - stored by mcam module */
        res_info[BNA_MOD_RES_MEM_T_MCHANDLE_ARRAY].res_type = BNA_RES_T_MEM;
        res_info[BNA_MOD_RES_MEM_T_MCHANDLE_ARRAY].res_u.mem_info.mem_type =
                BNA_MEM_T_KVA;
        res_info[BNA_MOD_RES_MEM_T_MCHANDLE_ARRAY].res_u.mem_info.num = 1;
        res_info[BNA_MOD_RES_MEM_T_MCHANDLE_ARRAY].res_u.mem_info.len =
                attr->num_mcmac * sizeof(struct bna_mcam_handle);
}

void
bna_init(struct bna *bna, struct bnad *bnad,
                struct bfa_pcidev *pcidev, struct bna_res_info *res_info)
{
        bna->bnad = bnad;
        bna->pcidev = *pcidev;

        bna->stats.hw_stats_kva = (struct bfi_enet_stats *)
                res_info[BNA_RES_MEM_T_STATS].res_u.mem_info.mdl[0].kva;
        bna->stats.hw_stats_dma.msb =
                res_info[BNA_RES_MEM_T_STATS].res_u.mem_info.mdl[0].dma.msb;
        bna->stats.hw_stats_dma.lsb =
                res_info[BNA_RES_MEM_T_STATS].res_u.mem_info.mdl[0].dma.lsb;

        bna_reg_addr_init(bna, &bna->pcidev);

        /* Also initializes diag, cee, sfp, phy_port, msgq */
        bna_ioceth_init(&bna->ioceth, bna, res_info);

        bna_enet_init(&bna->enet, bna);
        bna_ethport_init(&bna->ethport, bna);
}

void
bna_mod_init(struct bna *bna, struct bna_res_info *res_info)
{
        bna_tx_mod_init(&bna->tx_mod, bna, res_info);

        bna_rx_mod_init(&bna->rx_mod, bna, res_info);

        bna_ucam_mod_init(&bna->ucam_mod, bna, res_info);

        bna_mcam_mod_init(&bna->mcam_mod, bna, res_info);

        bna->default_mode_rid = BFI_INVALID_RID;
        bna->promisc_rid = BFI_INVALID_RID;

        bna->mod_flags |= BNA_MOD_F_INIT_DONE;
}

void
bna_uninit(struct bna *bna)
{
        if (bna->mod_flags & BNA_MOD_F_INIT_DONE) {
                bna_mcam_mod_uninit(&bna->mcam_mod);
                bna_ucam_mod_uninit(&bna->ucam_mod);
                bna_rx_mod_uninit(&bna->rx_mod);
                bna_tx_mod_uninit(&bna->tx_mod);
                bna->mod_flags &= ~BNA_MOD_F_INIT_DONE;
        }

        bna_stats_mod_uninit(&bna->stats_mod);
        bna_ethport_uninit(&bna->ethport);
        bna_enet_uninit(&bna->enet);

        bna_ioceth_uninit(&bna->ioceth);

        bna->bnad = NULL;
}

int
bna_num_txq_set(struct bna *bna, int num_txq)
{
        if (bna->ioceth.attr.fw_query_complete &&
                (num_txq <= bna->ioceth.attr.num_txq)) {
                bna->ioceth.attr.num_txq = num_txq;
                return BNA_CB_SUCCESS;
        }

        return BNA_CB_FAIL;
}

int
bna_num_rxp_set(struct bna *bna, int num_rxp)
{
        if (bna->ioceth.attr.fw_query_complete &&
                (num_rxp <= bna->ioceth.attr.num_rxp)) {
                bna->ioceth.attr.num_rxp = num_rxp;
                return BNA_CB_SUCCESS;
        }

        return BNA_CB_FAIL;
}

struct bna_mac *
bna_cam_mod_mac_get(struct list_head *head)
{
        struct bna_mac *mac;

        mac = list_first_entry_or_null(head, struct bna_mac, qe);
        if (mac)
                list_del(&mac->qe);

        return mac;
}

struct bna_mcam_handle *
bna_mcam_mod_handle_get(struct bna_mcam_mod *mcam_mod)
{
        struct bna_mcam_handle *handle;

        handle = list_first_entry_or_null(&mcam_mod->free_handle_q,
                                          struct bna_mcam_handle, qe);
        if (handle)
                list_del(&handle->qe);

        return handle;
}

void
bna_mcam_mod_handle_put(struct bna_mcam_mod *mcam_mod,
                        struct bna_mcam_handle *handle)
{
        list_add_tail(&handle->qe, &mcam_mod->free_handle_q);
}

void
bna_hw_stats_get(struct bna *bna)
{
        if (!bna->stats_mod.ioc_ready) {
                bnad_cb_stats_get(bna->bnad, BNA_CB_FAIL, &bna->stats);
                return;
        }
        if (bna->stats_mod.stats_get_busy) {
                bnad_cb_stats_get(bna->bnad, BNA_CB_BUSY, &bna->stats);
                return;
        }

        bna_bfi_stats_get(bna);
}