// 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"
#include "bfi.h"

/* IB */
static void
bna_ib_coalescing_timeo_set(struct bna_ib *ib, u8 coalescing_timeo)
{
        ib->coalescing_timeo = coalescing_timeo;
        ib->door_bell.doorbell_ack = BNA_DOORBELL_IB_INT_ACK(
                                (u32)ib->coalescing_timeo, 0);
}

/* RXF */

#define bna_rxf_vlan_cfg_soft_reset(rxf)                                \
do {                                                                    \
        (rxf)->vlan_pending_bitmask = (u8)BFI_VLAN_BMASK_ALL;           \
        (rxf)->vlan_strip_pending = true;                               \
} while (0)

#define bna_rxf_rss_cfg_soft_reset(rxf)                                 \
do {                                                                    \
        if ((rxf)->rss_status == BNA_STATUS_T_ENABLED)                  \
                (rxf)->rss_pending = (BNA_RSS_F_RIT_PENDING |           \
                                BNA_RSS_F_CFG_PENDING |                 \
                                BNA_RSS_F_STATUS_PENDING);              \
} while (0)

static int bna_rxf_cfg_apply(struct bna_rxf *rxf);
static void bna_rxf_cfg_reset(struct bna_rxf *rxf);
static int bna_rxf_ucast_cfg_apply(struct bna_rxf *rxf);
static int bna_rxf_promisc_cfg_apply(struct bna_rxf *rxf);
static int bna_rxf_allmulti_cfg_apply(struct bna_rxf *rxf);
static int bna_rxf_vlan_strip_cfg_apply(struct bna_rxf *rxf);
static int bna_rxf_ucast_cfg_reset(struct bna_rxf *rxf,
                                        enum bna_cleanup_type cleanup);
static int bna_rxf_promisc_cfg_reset(struct bna_rxf *rxf,
                                        enum bna_cleanup_type cleanup);
static int bna_rxf_allmulti_cfg_reset(struct bna_rxf *rxf,
                                        enum bna_cleanup_type cleanup);

bfa_fsm_state_decl(bna_rxf, stopped, struct bna_rxf,
                        enum bna_rxf_event);
bfa_fsm_state_decl(bna_rxf, cfg_wait, struct bna_rxf,
                        enum bna_rxf_event);
bfa_fsm_state_decl(bna_rxf, started, struct bna_rxf,
                        enum bna_rxf_event);
bfa_fsm_state_decl(bna_rxf, last_resp_wait, struct bna_rxf,
                        enum bna_rxf_event);

static void
bna_rxf_sm_stopped_entry(struct bna_rxf *rxf)
{
        call_rxf_stop_cbfn(rxf);
}

static void
bna_rxf_sm_stopped(struct bna_rxf *rxf, enum bna_rxf_event event)
{
        switch (event) {
        case RXF_E_START:
                bfa_fsm_set_state(rxf, bna_rxf_sm_cfg_wait);
                break;

        case RXF_E_STOP:
                call_rxf_stop_cbfn(rxf);
                break;

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

        case RXF_E_CONFIG:
                call_rxf_cam_fltr_cbfn(rxf);
                break;

        default:
                bfa_sm_fault(event);
        }
}

static void
bna_rxf_sm_cfg_wait_entry(struct bna_rxf *rxf)
{
        if (!bna_rxf_cfg_apply(rxf)) {
                /* No more pending config updates */
                bfa_fsm_set_state(rxf, bna_rxf_sm_started);
        }
}

static void
bna_rxf_sm_cfg_wait(struct bna_rxf *rxf, enum bna_rxf_event event)
{
        switch (event) {
        case RXF_E_STOP:
                bfa_fsm_set_state(rxf, bna_rxf_sm_last_resp_wait);
                break;

        case RXF_E_FAIL:
                bna_rxf_cfg_reset(rxf);
                call_rxf_start_cbfn(rxf);
                call_rxf_cam_fltr_cbfn(rxf);
                bfa_fsm_set_state(rxf, bna_rxf_sm_stopped);
                break;

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

        case RXF_E_FW_RESP:
                if (!bna_rxf_cfg_apply(rxf)) {
                        /* No more pending config updates */
                        bfa_fsm_set_state(rxf, bna_rxf_sm_started);
                }
                break;

        default:
                bfa_sm_fault(event);
        }
}

static void
bna_rxf_sm_started_entry(struct bna_rxf *rxf)
{
        call_rxf_start_cbfn(rxf);
        call_rxf_cam_fltr_cbfn(rxf);
}

static void
bna_rxf_sm_started(struct bna_rxf *rxf, enum bna_rxf_event event)
{
        switch (event) {
        case RXF_E_STOP:
        case RXF_E_FAIL:
                bna_rxf_cfg_reset(rxf);
                bfa_fsm_set_state(rxf, bna_rxf_sm_stopped);
                break;

        case RXF_E_CONFIG:
                bfa_fsm_set_state(rxf, bna_rxf_sm_cfg_wait);
                break;

        default:
                bfa_sm_fault(event);
        }
}

static void
bna_rxf_sm_last_resp_wait_entry(struct bna_rxf *rxf)
{
}

static void
bna_rxf_sm_last_resp_wait(struct bna_rxf *rxf, enum bna_rxf_event event)
{
        switch (event) {
        case RXF_E_FAIL:
        case RXF_E_FW_RESP:
                bna_rxf_cfg_reset(rxf);
                bfa_fsm_set_state(rxf, bna_rxf_sm_stopped);
                break;

        default:
                bfa_sm_fault(event);
        }
}

static void
bna_bfi_ucast_req(struct bna_rxf *rxf, struct bna_mac *mac,
                enum bfi_enet_h2i_msgs req_type)
{
        struct bfi_enet_ucast_req *req = &rxf->bfi_enet_cmd.ucast_req;

        bfi_msgq_mhdr_set(req->mh, BFI_MC_ENET, req_type, 0, rxf->rx->rid);
        req->mh.num_entries = htons(
        bfi_msgq_num_cmd_entries(sizeof(struct bfi_enet_ucast_req)));
        ether_addr_copy(req->mac_addr, mac->addr);
        bfa_msgq_cmd_set(&rxf->msgq_cmd, NULL, NULL,
                sizeof(struct bfi_enet_ucast_req), &req->mh);
        bfa_msgq_cmd_post(&rxf->rx->bna->msgq, &rxf->msgq_cmd);
}

static void
bna_bfi_mcast_add_req(struct bna_rxf *rxf, struct bna_mac *mac)
{
        struct bfi_enet_mcast_add_req *req =
                &rxf->bfi_enet_cmd.mcast_add_req;

        bfi_msgq_mhdr_set(req->mh, BFI_MC_ENET, BFI_ENET_H2I_MAC_MCAST_ADD_REQ,
                0, rxf->rx->rid);
        req->mh.num_entries = htons(
        bfi_msgq_num_cmd_entries(sizeof(struct bfi_enet_mcast_add_req)));
        ether_addr_copy(req->mac_addr, mac->addr);
        bfa_msgq_cmd_set(&rxf->msgq_cmd, NULL, NULL,
                sizeof(struct bfi_enet_mcast_add_req), &req->mh);
        bfa_msgq_cmd_post(&rxf->rx->bna->msgq, &rxf->msgq_cmd);
}

static void
bna_bfi_mcast_del_req(struct bna_rxf *rxf, u16 handle)
{
        struct bfi_enet_mcast_del_req *req =
                &rxf->bfi_enet_cmd.mcast_del_req;

        bfi_msgq_mhdr_set(req->mh, BFI_MC_ENET, BFI_ENET_H2I_MAC_MCAST_DEL_REQ,
                0, rxf->rx->rid);
        req->mh.num_entries = htons(
        bfi_msgq_num_cmd_entries(sizeof(struct bfi_enet_mcast_del_req)));
        req->handle = htons(handle);
        bfa_msgq_cmd_set(&rxf->msgq_cmd, NULL, NULL,
                sizeof(struct bfi_enet_mcast_del_req), &req->mh);
        bfa_msgq_cmd_post(&rxf->rx->bna->msgq, &rxf->msgq_cmd);
}

static void
bna_bfi_mcast_filter_req(struct bna_rxf *rxf, enum bna_status status)
{
        struct bfi_enet_enable_req *req = &rxf->bfi_enet_cmd.req;

        bfi_msgq_mhdr_set(req->mh, BFI_MC_ENET,
                BFI_ENET_H2I_MAC_MCAST_FILTER_REQ, 0, rxf->rx->rid);
        req->mh.num_entries = htons(
                bfi_msgq_num_cmd_entries(sizeof(struct bfi_enet_enable_req)));
        req->enable = status;
        bfa_msgq_cmd_set(&rxf->msgq_cmd, NULL, NULL,
                sizeof(struct bfi_enet_enable_req), &req->mh);
        bfa_msgq_cmd_post(&rxf->rx->bna->msgq, &rxf->msgq_cmd);
}

static void
bna_bfi_rx_promisc_req(struct bna_rxf *rxf, enum bna_status status)
{
        struct bfi_enet_enable_req *req = &rxf->bfi_enet_cmd.req;

        bfi_msgq_mhdr_set(req->mh, BFI_MC_ENET,
                BFI_ENET_H2I_RX_PROMISCUOUS_REQ, 0, rxf->rx->rid);
        req->mh.num_entries = htons(
                bfi_msgq_num_cmd_entries(sizeof(struct bfi_enet_enable_req)));
        req->enable = status;
        bfa_msgq_cmd_set(&rxf->msgq_cmd, NULL, NULL,
                sizeof(struct bfi_enet_enable_req), &req->mh);
        bfa_msgq_cmd_post(&rxf->rx->bna->msgq, &rxf->msgq_cmd);
}

static void
bna_bfi_rx_vlan_filter_set(struct bna_rxf *rxf, u8 block_idx)
{
        struct bfi_enet_rx_vlan_req *req = &rxf->bfi_enet_cmd.vlan_req;
        int i;
        int j;

        bfi_msgq_mhdr_set(req->mh, BFI_MC_ENET,
                BFI_ENET_H2I_RX_VLAN_SET_REQ, 0, rxf->rx->rid);
        req->mh.num_entries = htons(
                bfi_msgq_num_cmd_entries(sizeof(struct bfi_enet_rx_vlan_req)));
        req->block_idx = block_idx;
        for (i = 0; i < (BFI_ENET_VLAN_BLOCK_SIZE / 32); i++) {
                j = (block_idx * (BFI_ENET_VLAN_BLOCK_SIZE / 32)) + i;
                if (rxf->vlan_filter_status == BNA_STATUS_T_ENABLED)
                        req->bit_mask[i] =
                                htonl(rxf->vlan_filter_table[j]);
                else
                        req->bit_mask[i] = 0xFFFFFFFF;
        }
        bfa_msgq_cmd_set(&rxf->msgq_cmd, NULL, NULL,
                sizeof(struct bfi_enet_rx_vlan_req), &req->mh);
        bfa_msgq_cmd_post(&rxf->rx->bna->msgq, &rxf->msgq_cmd);
}

static void
bna_bfi_vlan_strip_enable(struct bna_rxf *rxf)
{
        struct bfi_enet_enable_req *req = &rxf->bfi_enet_cmd.req;

        bfi_msgq_mhdr_set(req->mh, BFI_MC_ENET,
                BFI_ENET_H2I_RX_VLAN_STRIP_ENABLE_REQ, 0, rxf->rx->rid);
        req->mh.num_entries = htons(
                bfi_msgq_num_cmd_entries(sizeof(struct bfi_enet_enable_req)));
        req->enable = rxf->vlan_strip_status;
        bfa_msgq_cmd_set(&rxf->msgq_cmd, NULL, NULL,
                sizeof(struct bfi_enet_enable_req), &req->mh);
        bfa_msgq_cmd_post(&rxf->rx->bna->msgq, &rxf->msgq_cmd);
}

static void
bna_bfi_rit_cfg(struct bna_rxf *rxf)
{
        struct bfi_enet_rit_req *req = &rxf->bfi_enet_cmd.rit_req;

        bfi_msgq_mhdr_set(req->mh, BFI_MC_ENET,
                BFI_ENET_H2I_RIT_CFG_REQ, 0, rxf->rx->rid);
        req->mh.num_entries = htons(
                bfi_msgq_num_cmd_entries(sizeof(struct bfi_enet_rit_req)));
        req->size = htons(rxf->rit_size);
        memcpy(&req->table[0], rxf->rit, rxf->rit_size);
        bfa_msgq_cmd_set(&rxf->msgq_cmd, NULL, NULL,
                sizeof(struct bfi_enet_rit_req), &req->mh);
        bfa_msgq_cmd_post(&rxf->rx->bna->msgq, &rxf->msgq_cmd);
}

static void
bna_bfi_rss_cfg(struct bna_rxf *rxf)
{
        struct bfi_enet_rss_cfg_req *req = &rxf->bfi_enet_cmd.rss_req;
        int i;

        bfi_msgq_mhdr_set(req->mh, BFI_MC_ENET,
                BFI_ENET_H2I_RSS_CFG_REQ, 0, rxf->rx->rid);
        req->mh.num_entries = htons(
                bfi_msgq_num_cmd_entries(sizeof(struct bfi_enet_rss_cfg_req)));
        req->cfg.type = rxf->rss_cfg.hash_type;
        req->cfg.mask = rxf->rss_cfg.hash_mask;
        for (i = 0; i < BFI_ENET_RSS_KEY_LEN; i++)
                req->cfg.key[i] =
                        htonl(rxf->rss_cfg.toeplitz_hash_key[i]);
        bfa_msgq_cmd_set(&rxf->msgq_cmd, NULL, NULL,
                sizeof(struct bfi_enet_rss_cfg_req), &req->mh);
        bfa_msgq_cmd_post(&rxf->rx->bna->msgq, &rxf->msgq_cmd);
}

static void
bna_bfi_rss_enable(struct bna_rxf *rxf)
{
        struct bfi_enet_enable_req *req = &rxf->bfi_enet_cmd.req;

        bfi_msgq_mhdr_set(req->mh, BFI_MC_ENET,
                BFI_ENET_H2I_RSS_ENABLE_REQ, 0, rxf->rx->rid);
        req->mh.num_entries = htons(
                bfi_msgq_num_cmd_entries(sizeof(struct bfi_enet_enable_req)));
        req->enable = rxf->rss_status;
        bfa_msgq_cmd_set(&rxf->msgq_cmd, NULL, NULL,
                sizeof(struct bfi_enet_enable_req), &req->mh);
        bfa_msgq_cmd_post(&rxf->rx->bna->msgq, &rxf->msgq_cmd);
}

/* This function gets the multicast MAC that has already been added to CAM */
static struct bna_mac *
bna_rxf_mcmac_get(struct bna_rxf *rxf, const u8 *mac_addr)
{
        struct bna_mac *mac;

        list_for_each_entry(mac, &rxf->mcast_active_q, qe)
                if (ether_addr_equal(mac->addr, mac_addr))
                        return mac;

        list_for_each_entry(mac, &rxf->mcast_pending_del_q, qe)
                if (ether_addr_equal(mac->addr, mac_addr))
                        return mac;

        return NULL;
}

static struct bna_mcam_handle *
bna_rxf_mchandle_get(struct bna_rxf *rxf, int handle)
{
        struct bna_mcam_handle *mchandle;

        list_for_each_entry(mchandle, &rxf->mcast_handle_q, qe)
                if (mchandle->handle == handle)
                        return mchandle;

        return NULL;
}

static void
bna_rxf_mchandle_attach(struct bna_rxf *rxf, u8 *mac_addr, int handle)
{
        struct bna_mac *mcmac;
        struct bna_mcam_handle *mchandle;

        mcmac = bna_rxf_mcmac_get(rxf, mac_addr);
        mchandle = bna_rxf_mchandle_get(rxf, handle);
        if (mchandle == NULL) {
                mchandle = bna_mcam_mod_handle_get(&rxf->rx->bna->mcam_mod);
                mchandle->handle = handle;
                mchandle->refcnt = 0;
                list_add_tail(&mchandle->qe, &rxf->mcast_handle_q);
        }
        mchandle->refcnt++;
        mcmac->handle = mchandle;
}

static int
bna_rxf_mcast_del(struct bna_rxf *rxf, struct bna_mac *mac,
                enum bna_cleanup_type cleanup)
{
        struct bna_mcam_handle *mchandle;
        int ret = 0;

        mchandle = mac->handle;
        if (mchandle == NULL)
                return ret;

        mchandle->refcnt--;
        if (mchandle->refcnt == 0) {
                if (cleanup == BNA_HARD_CLEANUP) {
                        bna_bfi_mcast_del_req(rxf, mchandle->handle);
                        ret = 1;
                }
                list_del(&mchandle->qe);
                bna_mcam_mod_handle_put(&rxf->rx->bna->mcam_mod, mchandle);
        }
        mac->handle = NULL;

        return ret;
}

static int
bna_rxf_mcast_cfg_apply(struct bna_rxf *rxf)
{
        struct bna_mac *mac = NULL;
        int ret;

        /* First delete multicast entries to maintain the count */
        while (!list_empty(&rxf->mcast_pending_del_q)) {
                mac = list_first_entry(&rxf->mcast_pending_del_q,
                                       struct bna_mac, qe);
                ret = bna_rxf_mcast_del(rxf, mac, BNA_HARD_CLEANUP);
                list_move_tail(&mac->qe, bna_mcam_mod_del_q(rxf->rx->bna));
                if (ret)
                        return ret;
        }

        /* Add multicast entries */
        if (!list_empty(&rxf->mcast_pending_add_q)) {
                mac = list_first_entry(&rxf->mcast_pending_add_q,
                                       struct bna_mac, qe);
                list_move_tail(&mac->qe, &rxf->mcast_active_q);
                bna_bfi_mcast_add_req(rxf, mac);
                return 1;
        }

        return 0;
}

static int
bna_rxf_vlan_cfg_apply(struct bna_rxf *rxf)
{
        u8 vlan_pending_bitmask;
        int block_idx = 0;

        if (rxf->vlan_pending_bitmask) {
                vlan_pending_bitmask = rxf->vlan_pending_bitmask;
                while (!(vlan_pending_bitmask & 0x1)) {
                        block_idx++;
                        vlan_pending_bitmask >>= 1;
                }
                rxf->vlan_pending_bitmask &= ~BIT(block_idx);
                bna_bfi_rx_vlan_filter_set(rxf, block_idx);
                return 1;
        }

        return 0;
}

static int
bna_rxf_mcast_cfg_reset(struct bna_rxf *rxf, enum bna_cleanup_type cleanup)
{
        struct bna_mac *mac;
        int ret;

        /* Throw away delete pending mcast entries */
        while (!list_empty(&rxf->mcast_pending_del_q)) {
                mac = list_first_entry(&rxf->mcast_pending_del_q,
                                       struct bna_mac, qe);
                ret = bna_rxf_mcast_del(rxf, mac, cleanup);
                list_move_tail(&mac->qe, bna_mcam_mod_del_q(rxf->rx->bna));
                if (ret)
                        return ret;
        }

        /* Move active mcast entries to pending_add_q */
        while (!list_empty(&rxf->mcast_active_q)) {
                mac = list_first_entry(&rxf->mcast_active_q,
                                       struct bna_mac, qe);
                list_move_tail(&mac->qe, &rxf->mcast_pending_add_q);
                if (bna_rxf_mcast_del(rxf, mac, cleanup))
                        return 1;
        }

        return 0;
}

static int
bna_rxf_rss_cfg_apply(struct bna_rxf *rxf)
{
        if (rxf->rss_pending) {
                if (rxf->rss_pending & BNA_RSS_F_RIT_PENDING) {
                        rxf->rss_pending &= ~BNA_RSS_F_RIT_PENDING;
                        bna_bfi_rit_cfg(rxf);
                        return 1;
                }

                if (rxf->rss_pending & BNA_RSS_F_CFG_PENDING) {
                        rxf->rss_pending &= ~BNA_RSS_F_CFG_PENDING;
                        bna_bfi_rss_cfg(rxf);
                        return 1;
                }

                if (rxf->rss_pending & BNA_RSS_F_STATUS_PENDING) {
                        rxf->rss_pending &= ~BNA_RSS_F_STATUS_PENDING;
                        bna_bfi_rss_enable(rxf);
                        return 1;
                }
        }

        return 0;
}

static int
bna_rxf_cfg_apply(struct bna_rxf *rxf)
{
        if (bna_rxf_ucast_cfg_apply(rxf))
                return 1;

        if (bna_rxf_mcast_cfg_apply(rxf))
                return 1;

        if (bna_rxf_promisc_cfg_apply(rxf))
                return 1;

        if (bna_rxf_allmulti_cfg_apply(rxf))
                return 1;

        if (bna_rxf_vlan_cfg_apply(rxf))
                return 1;

        if (bna_rxf_vlan_strip_cfg_apply(rxf))
                return 1;

        if (bna_rxf_rss_cfg_apply(rxf))
                return 1;

        return 0;
}

static void
bna_rxf_cfg_reset(struct bna_rxf *rxf)
{
        bna_rxf_ucast_cfg_reset(rxf, BNA_SOFT_CLEANUP);
        bna_rxf_mcast_cfg_reset(rxf, BNA_SOFT_CLEANUP);
        bna_rxf_promisc_cfg_reset(rxf, BNA_SOFT_CLEANUP);
        bna_rxf_allmulti_cfg_reset(rxf, BNA_SOFT_CLEANUP);
        bna_rxf_vlan_cfg_soft_reset(rxf);
        bna_rxf_rss_cfg_soft_reset(rxf);
}

static void
bna_rit_init(struct bna_rxf *rxf, int rit_size)
{
        struct bna_rx *rx = rxf->rx;
        struct bna_rxp *rxp;
        int offset = 0;

        rxf->rit_size = rit_size;
        list_for_each_entry(rxp, &rx->rxp_q, qe) {
                rxf->rit[offset] = rxp->cq.ccb->id;
                offset++;
        }
}

void
bna_bfi_rxf_cfg_rsp(struct bna_rxf *rxf, struct bfi_msgq_mhdr *msghdr)
{
        bfa_fsm_send_event(rxf, RXF_E_FW_RESP);
}

void
bna_bfi_rxf_ucast_set_rsp(struct bna_rxf *rxf,
                        struct bfi_msgq_mhdr *msghdr)
{
        struct bfi_enet_rsp *rsp =
                container_of(msghdr, struct bfi_enet_rsp, mh);

        if (rsp->error) {
                /* Clear ucast from cache */
                rxf->ucast_active_set = 0;
        }

        bfa_fsm_send_event(rxf, RXF_E_FW_RESP);
}

void
bna_bfi_rxf_mcast_add_rsp(struct bna_rxf *rxf,
                        struct bfi_msgq_mhdr *msghdr)
{
        struct bfi_enet_mcast_add_req *req =
                &rxf->bfi_enet_cmd.mcast_add_req;
        struct bfi_enet_mcast_add_rsp *rsp =
                container_of(msghdr, struct bfi_enet_mcast_add_rsp, mh);

        bna_rxf_mchandle_attach(rxf, (u8 *)&req->mac_addr,
                ntohs(rsp->handle));
        bfa_fsm_send_event(rxf, RXF_E_FW_RESP);
}

static void
bna_rxf_init(struct bna_rxf *rxf,
                struct bna_rx *rx,
                struct bna_rx_config *q_config,
                struct bna_res_info *res_info)
{
        rxf->rx = rx;

        INIT_LIST_HEAD(&rxf->ucast_pending_add_q);
        INIT_LIST_HEAD(&rxf->ucast_pending_del_q);
        rxf->ucast_pending_set = 0;
        rxf->ucast_active_set = 0;
        INIT_LIST_HEAD(&rxf->ucast_active_q);
        rxf->ucast_pending_mac = NULL;

        INIT_LIST_HEAD(&rxf->mcast_pending_add_q);
        INIT_LIST_HEAD(&rxf->mcast_pending_del_q);
        INIT_LIST_HEAD(&rxf->mcast_active_q);
        INIT_LIST_HEAD(&rxf->mcast_handle_q);

        rxf->rit = (u8 *)
                res_info[BNA_RX_RES_MEM_T_RIT].res_u.mem_info.mdl[0].kva;
        bna_rit_init(rxf, q_config->num_paths);

        rxf->rss_status = q_config->rss_status;
        if (rxf->rss_status == BNA_STATUS_T_ENABLED) {
                rxf->rss_cfg = q_config->rss_config;
                rxf->rss_pending |= BNA_RSS_F_CFG_PENDING;
                rxf->rss_pending |= BNA_RSS_F_RIT_PENDING;
                rxf->rss_pending |= BNA_RSS_F_STATUS_PENDING;
        }

        rxf->vlan_filter_status = BNA_STATUS_T_DISABLED;
        memset(rxf->vlan_filter_table, 0,
                        (sizeof(u32) * (BFI_ENET_VLAN_ID_MAX / 32)));
        rxf->vlan_filter_table[0] |= 1; /* for pure priority tagged frames */
        rxf->vlan_pending_bitmask = (u8)BFI_VLAN_BMASK_ALL;

        rxf->vlan_strip_status = q_config->vlan_strip_status;

        bfa_fsm_set_state(rxf, bna_rxf_sm_stopped);
}

static void
bna_rxf_uninit(struct bna_rxf *rxf)
{
        struct bna_mac *mac;

        rxf->ucast_pending_set = 0;
        rxf->ucast_active_set = 0;

        while (!list_empty(&rxf->ucast_pending_add_q)) {
                mac = list_first_entry(&rxf->ucast_pending_add_q,
                                       struct bna_mac, qe);
                list_move_tail(&mac->qe, bna_ucam_mod_free_q(rxf->rx->bna));
        }

        if (rxf->ucast_pending_mac) {
                list_add_tail(&rxf->ucast_pending_mac->qe,
                              bna_ucam_mod_free_q(rxf->rx->bna));
                rxf->ucast_pending_mac = NULL;
        }

        while (!list_empty(&rxf->mcast_pending_add_q)) {
                mac = list_first_entry(&rxf->mcast_pending_add_q,
                                       struct bna_mac, qe);
                list_move_tail(&mac->qe, bna_mcam_mod_free_q(rxf->rx->bna));
        }

        rxf->rxmode_pending = 0;
        rxf->rxmode_pending_bitmask = 0;
        if (rxf->rx->bna->promisc_rid == rxf->rx->rid)
                rxf->rx->bna->promisc_rid = BFI_INVALID_RID;
        if (rxf->rx->bna->default_mode_rid == rxf->rx->rid)
                rxf->rx->bna->default_mode_rid = BFI_INVALID_RID;

        rxf->rss_pending = 0;
        rxf->vlan_strip_pending = false;

        rxf->rx = NULL;
}

static void
bna_rx_cb_rxf_started(struct bna_rx *rx)
{
        bfa_fsm_send_event(rx, RX_E_RXF_STARTED);
}

static void
bna_rxf_start(struct bna_rxf *rxf)
{
        rxf->start_cbfn = bna_rx_cb_rxf_started;
        rxf->start_cbarg = rxf->rx;
        bfa_fsm_send_event(rxf, RXF_E_START);
}

static void
bna_rx_cb_rxf_stopped(struct bna_rx *rx)
{
        bfa_fsm_send_event(rx, RX_E_RXF_STOPPED);
}

static void
bna_rxf_stop(struct bna_rxf *rxf)
{
        rxf->stop_cbfn = bna_rx_cb_rxf_stopped;
        rxf->stop_cbarg = rxf->rx;
        bfa_fsm_send_event(rxf, RXF_E_STOP);
}

static void
bna_rxf_fail(struct bna_rxf *rxf)
{
        bfa_fsm_send_event(rxf, RXF_E_FAIL);
}

enum bna_cb_status
bna_rx_ucast_set(struct bna_rx *rx, const u8 *ucmac)
{
        struct bna_rxf *rxf = &rx->rxf;

        if (rxf->ucast_pending_mac == NULL) {
                rxf->ucast_pending_mac =
                        bna_cam_mod_mac_get(bna_ucam_mod_free_q(rxf->rx->bna));
                if (rxf->ucast_pending_mac == NULL)
                        return BNA_CB_UCAST_CAM_FULL;
        }

        ether_addr_copy(rxf->ucast_pending_mac->addr, ucmac);
        rxf->ucast_pending_set = 1;
        rxf->cam_fltr_cbfn = NULL;
        rxf->cam_fltr_cbarg = rx->bna->bnad;

        bfa_fsm_send_event(rxf, RXF_E_CONFIG);

        return BNA_CB_SUCCESS;
}

enum bna_cb_status
bna_rx_mcast_add(struct bna_rx *rx, const u8 *addr,
                 void (*cbfn)(struct bnad *, struct bna_rx *))
{
        struct bna_rxf *rxf = &rx->rxf;
        struct bna_mac *mac;

        /* Check if already added or pending addition */
        if (bna_mac_find(&rxf->mcast_active_q, addr) ||
                bna_mac_find(&rxf->mcast_pending_add_q, addr)) {
                if (cbfn)
                        cbfn(rx->bna->bnad, rx);
                return BNA_CB_SUCCESS;
        }

        mac = bna_cam_mod_mac_get(bna_mcam_mod_free_q(rxf->rx->bna));
        if (mac == NULL)
                return BNA_CB_MCAST_LIST_FULL;
        ether_addr_copy(mac->addr, addr);
        list_add_tail(&mac->qe, &rxf->mcast_pending_add_q);

        rxf->cam_fltr_cbfn = cbfn;
        rxf->cam_fltr_cbarg = rx->bna->bnad;

        bfa_fsm_send_event(rxf, RXF_E_CONFIG);

        return BNA_CB_SUCCESS;
}

enum bna_cb_status
bna_rx_ucast_listset(struct bna_rx *rx, int count, const u8 *uclist)
{
        struct bna_ucam_mod *ucam_mod = &rx->bna->ucam_mod;
        struct bna_rxf *rxf = &rx->rxf;
        struct list_head list_head;
        const u8 *mcaddr;
        struct bna_mac *mac, *del_mac;
        int i;

        /* Purge the pending_add_q */
        while (!list_empty(&rxf->ucast_pending_add_q)) {
                mac = list_first_entry(&rxf->ucast_pending_add_q,
                                       struct bna_mac, qe);
                list_move_tail(&mac->qe, &ucam_mod->free_q);
        }

        /* Schedule active_q entries for deletion */
        while (!list_empty(&rxf->ucast_active_q)) {
                mac = list_first_entry(&rxf->ucast_active_q,
                                       struct bna_mac, qe);
                del_mac = bna_cam_mod_mac_get(&ucam_mod->del_q);
                ether_addr_copy(del_mac->addr, mac->addr);
                del_mac->handle = mac->handle;
                list_add_tail(&del_mac->qe, &rxf->ucast_pending_del_q);
                list_move_tail(&mac->qe, &ucam_mod->free_q);
        }

        /* Allocate nodes */
        INIT_LIST_HEAD(&list_head);
        for (i = 0, mcaddr = uclist; i < count; i++) {
                mac = bna_cam_mod_mac_get(&ucam_mod->free_q);
                if (mac == NULL)
                        goto err_return;
                ether_addr_copy(mac->addr, mcaddr);
                list_add_tail(&mac->qe, &list_head);
                mcaddr += ETH_ALEN;
        }

        /* Add the new entries */
        while (!list_empty(&list_head)) {
                mac = list_first_entry(&list_head, struct bna_mac, qe);
                list_move_tail(&mac->qe, &rxf->ucast_pending_add_q);
        }

        bfa_fsm_send_event(rxf, RXF_E_CONFIG);

        return BNA_CB_SUCCESS;

err_return:
        while (!list_empty(&list_head)) {
                mac = list_first_entry(&list_head, struct bna_mac, qe);
                list_move_tail(&mac->qe, &ucam_mod->free_q);
        }

        return BNA_CB_UCAST_CAM_FULL;
}

enum bna_cb_status
bna_rx_mcast_listset(struct bna_rx *rx, int count, const u8 *mclist)
{
        struct bna_mcam_mod *mcam_mod = &rx->bna->mcam_mod;
        struct bna_rxf *rxf = &rx->rxf;
        struct list_head list_head;
        const u8 *mcaddr;
        struct bna_mac *mac, *del_mac;
        int i;

        /* Purge the pending_add_q */
        while (!list_empty(&rxf->mcast_pending_add_q)) {
                mac = list_first_entry(&rxf->mcast_pending_add_q,
                                       struct bna_mac, qe);
                list_move_tail(&mac->qe, &mcam_mod->free_q);
        }

        /* Schedule active_q entries for deletion */
        while (!list_empty(&rxf->mcast_active_q)) {
                mac = list_first_entry(&rxf->mcast_active_q,
                                       struct bna_mac, qe);
                del_mac = bna_cam_mod_mac_get(&mcam_mod->del_q);
                ether_addr_copy(del_mac->addr, mac->addr);
                del_mac->handle = mac->handle;
                list_add_tail(&del_mac->qe, &rxf->mcast_pending_del_q);
                mac->handle = NULL;
                list_move_tail(&mac->qe, &mcam_mod->free_q);
        }

        /* Allocate nodes */
        INIT_LIST_HEAD(&list_head);
        for (i = 0, mcaddr = mclist; i < count; i++) {
                mac = bna_cam_mod_mac_get(&mcam_mod->free_q);
                if (mac == NULL)
                        goto err_return;
                ether_addr_copy(mac->addr, mcaddr);
                list_add_tail(&mac->qe, &list_head);

                mcaddr += ETH_ALEN;
        }

        /* Add the new entries */
        while (!list_empty(&list_head)) {
                mac = list_first_entry(&list_head, struct bna_mac, qe);
                list_move_tail(&mac->qe, &rxf->mcast_pending_add_q);
        }

        bfa_fsm_send_event(rxf, RXF_E_CONFIG);

        return BNA_CB_SUCCESS;

err_return:
        while (!list_empty(&list_head)) {
                mac = list_first_entry(&list_head, struct bna_mac, qe);
                list_move_tail(&mac->qe, &mcam_mod->free_q);
        }

        return BNA_CB_MCAST_LIST_FULL;
}

void
bna_rx_mcast_delall(struct bna_rx *rx)
{
        struct bna_rxf *rxf = &rx->rxf;
        struct bna_mac *mac, *del_mac;
        int need_hw_config = 0;

        /* Purge all entries from pending_add_q */
        while (!list_empty(&rxf->mcast_pending_add_q)) {
                mac = list_first_entry(&rxf->mcast_pending_add_q,
                                       struct bna_mac, qe);
                list_move_tail(&mac->qe, bna_mcam_mod_free_q(rxf->rx->bna));
        }

        /* Schedule all entries in active_q for deletion */
        while (!list_empty(&rxf->mcast_active_q)) {
                mac = list_first_entry(&rxf->mcast_active_q,
                                       struct bna_mac, qe);
                list_del(&mac->qe);
                del_mac = bna_cam_mod_mac_get(bna_mcam_mod_del_q(rxf->rx->bna));
                memcpy(del_mac, mac, sizeof(*del_mac));
                list_add_tail(&del_mac->qe, &rxf->mcast_pending_del_q);
                mac->handle = NULL;
                list_add_tail(&mac->qe, bna_mcam_mod_free_q(rxf->rx->bna));
                need_hw_config = 1;
        }

        if (need_hw_config)
                bfa_fsm_send_event(rxf, RXF_E_CONFIG);
}

void
bna_rx_vlan_add(struct bna_rx *rx, int vlan_id)
{
        struct bna_rxf *rxf = &rx->rxf;
        int index = (vlan_id >> BFI_VLAN_WORD_SHIFT);
        int bit = BIT(vlan_id & BFI_VLAN_WORD_MASK);
        int group_id = (vlan_id >> BFI_VLAN_BLOCK_SHIFT);

        rxf->vlan_filter_table[index] |= bit;
        if (rxf->vlan_filter_status == BNA_STATUS_T_ENABLED) {
                rxf->vlan_pending_bitmask |= BIT(group_id);
                bfa_fsm_send_event(rxf, RXF_E_CONFIG);
        }
}

void
bna_rx_vlan_del(struct bna_rx *rx, int vlan_id)
{
        struct bna_rxf *rxf = &rx->rxf;
        int index = (vlan_id >> BFI_VLAN_WORD_SHIFT);
        int bit = BIT(vlan_id & BFI_VLAN_WORD_MASK);
        int group_id = (vlan_id >> BFI_VLAN_BLOCK_SHIFT);

        rxf->vlan_filter_table[index] &= ~bit;
        if (rxf->vlan_filter_status == BNA_STATUS_T_ENABLED) {
                rxf->vlan_pending_bitmask |= BIT(group_id);
                bfa_fsm_send_event(rxf, RXF_E_CONFIG);
        }
}

static int
bna_rxf_ucast_cfg_apply(struct bna_rxf *rxf)
{
        struct bna_mac *mac = NULL;

        /* Delete MAC addresses previousely added */
        if (!list_empty(&rxf->ucast_pending_del_q)) {
                mac = list_first_entry(&rxf->ucast_pending_del_q,
                                       struct bna_mac, qe);
                bna_bfi_ucast_req(rxf, mac, BFI_ENET_H2I_MAC_UCAST_DEL_REQ);
                list_move_tail(&mac->qe, bna_ucam_mod_del_q(rxf->rx->bna));
                return 1;
        }

        /* Set default unicast MAC */
        if (rxf->ucast_pending_set) {
                rxf->ucast_pending_set = 0;
                ether_addr_copy(rxf->ucast_active_mac.addr,
                                rxf->ucast_pending_mac->addr);
                rxf->ucast_active_set = 1;
                bna_bfi_ucast_req(rxf, &rxf->ucast_active_mac,
                        BFI_ENET_H2I_MAC_UCAST_SET_REQ);
                return 1;
        }

        /* Add additional MAC entries */
        if (!list_empty(&rxf->ucast_pending_add_q)) {
                mac = list_first_entry(&rxf->ucast_pending_add_q,
                                       struct bna_mac, qe);
                list_move_tail(&mac->qe, &rxf->ucast_active_q);
                bna_bfi_ucast_req(rxf, mac, BFI_ENET_H2I_MAC_UCAST_ADD_REQ);
                return 1;
        }

        return 0;
}

static int
bna_rxf_ucast_cfg_reset(struct bna_rxf *rxf, enum bna_cleanup_type cleanup)
{
        struct bna_mac *mac;

        /* Throw away delete pending ucast entries */
        while (!list_empty(&rxf->ucast_pending_del_q)) {
                mac = list_first_entry(&rxf->ucast_pending_del_q,
                                       struct bna_mac, qe);
                if (cleanup == BNA_SOFT_CLEANUP)
                        list_move_tail(&mac->qe,
                                       bna_ucam_mod_del_q(rxf->rx->bna));
                else {
                        bna_bfi_ucast_req(rxf, mac,
                                          BFI_ENET_H2I_MAC_UCAST_DEL_REQ);
                        list_move_tail(&mac->qe,
                                       bna_ucam_mod_del_q(rxf->rx->bna));
                        return 1;
                }
        }

        /* Move active ucast entries to pending_add_q */
        while (!list_empty(&rxf->ucast_active_q)) {
                mac = list_first_entry(&rxf->ucast_active_q,
                                       struct bna_mac, qe);
                list_move_tail(&mac->qe, &rxf->ucast_pending_add_q);
                if (cleanup == BNA_HARD_CLEANUP) {
                        bna_bfi_ucast_req(rxf, mac,
                                BFI_ENET_H2I_MAC_UCAST_DEL_REQ);
                        return 1;
                }
        }

        if (rxf->ucast_active_set) {
                rxf->ucast_pending_set = 1;
                rxf->ucast_active_set = 0;
                if (cleanup == BNA_HARD_CLEANUP) {
                        bna_bfi_ucast_req(rxf, &rxf->ucast_active_mac,
                                BFI_ENET_H2I_MAC_UCAST_CLR_REQ);
                        return 1;
                }
        }

        return 0;
}

static int
bna_rxf_promisc_cfg_apply(struct bna_rxf *rxf)
{
        struct bna *bna = rxf->rx->bna;

        /* Enable/disable promiscuous mode */
        if (is_promisc_enable(rxf->rxmode_pending,
                                rxf->rxmode_pending_bitmask)) {
                /* move promisc configuration from pending -> active */
                promisc_inactive(rxf->rxmode_pending,
                                rxf->rxmode_pending_bitmask);
                rxf->rxmode_active |= BNA_RXMODE_PROMISC;
                bna_bfi_rx_promisc_req(rxf, BNA_STATUS_T_ENABLED);
                return 1;
        } else if (is_promisc_disable(rxf->rxmode_pending,
                                rxf->rxmode_pending_bitmask)) {
                /* move promisc configuration from pending -> active */
                promisc_inactive(rxf->rxmode_pending,
                                rxf->rxmode_pending_bitmask);
                rxf->rxmode_active &= ~BNA_RXMODE_PROMISC;
                bna->promisc_rid = BFI_INVALID_RID;
                bna_bfi_rx_promisc_req(rxf, BNA_STATUS_T_DISABLED);
                return 1;
        }

        return 0;
}

static int
bna_rxf_promisc_cfg_reset(struct bna_rxf *rxf, enum bna_cleanup_type cleanup)
{
        struct bna *bna = rxf->rx->bna;

        /* Clear pending promisc mode disable */
        if (is_promisc_disable(rxf->rxmode_pending,
                                rxf->rxmode_pending_bitmask)) {
                promisc_inactive(rxf->rxmode_pending,
                                rxf->rxmode_pending_bitmask);
                rxf->rxmode_active &= ~BNA_RXMODE_PROMISC;
                bna->promisc_rid = BFI_INVALID_RID;
                if (cleanup == BNA_HARD_CLEANUP) {
                        bna_bfi_rx_promisc_req(rxf, BNA_STATUS_T_DISABLED);
                        return 1;
                }
        }

        /* Move promisc mode config from active -> pending */
        if (rxf->rxmode_active & BNA_RXMODE_PROMISC) {
                promisc_enable(rxf->rxmode_pending,
                                rxf->rxmode_pending_bitmask);
                rxf->rxmode_active &= ~BNA_RXMODE_PROMISC;
                if (cleanup == BNA_HARD_CLEANUP) {
                        bna_bfi_rx_promisc_req(rxf, BNA_STATUS_T_DISABLED);
                        return 1;
                }
        }

        return 0;
}

static int
bna_rxf_allmulti_cfg_apply(struct bna_rxf *rxf)
{
        /* Enable/disable allmulti mode */
        if (is_allmulti_enable(rxf->rxmode_pending,
                                rxf->rxmode_pending_bitmask)) {
                /* move allmulti configuration from pending -> active */
                allmulti_inactive(rxf->rxmode_pending,
                                rxf->rxmode_pending_bitmask);
                rxf->rxmode_active |= BNA_RXMODE_ALLMULTI;
                bna_bfi_mcast_filter_req(rxf, BNA_STATUS_T_DISABLED);
                return 1;
        } else if (is_allmulti_disable(rxf->rxmode_pending,
                                        rxf->rxmode_pending_bitmask)) {
                /* move allmulti configuration from pending -> active */
                allmulti_inactive(rxf->rxmode_pending,
                                rxf->rxmode_pending_bitmask);
                rxf->rxmode_active &= ~BNA_RXMODE_ALLMULTI;
                bna_bfi_mcast_filter_req(rxf, BNA_STATUS_T_ENABLED);
                return 1;
        }

        return 0;
}

static int
bna_rxf_allmulti_cfg_reset(struct bna_rxf *rxf, enum bna_cleanup_type cleanup)
{
        /* Clear pending allmulti mode disable */
        if (is_allmulti_disable(rxf->rxmode_pending,
                                rxf->rxmode_pending_bitmask)) {
                allmulti_inactive(rxf->rxmode_pending,
                                rxf->rxmode_pending_bitmask);
                rxf->rxmode_active &= ~BNA_RXMODE_ALLMULTI;
                if (cleanup == BNA_HARD_CLEANUP) {
                        bna_bfi_mcast_filter_req(rxf, BNA_STATUS_T_ENABLED);
                        return 1;
                }
        }

        /* Move allmulti mode config from active -> pending */
        if (rxf->rxmode_active & BNA_RXMODE_ALLMULTI) {
                allmulti_enable(rxf->rxmode_pending,
                                rxf->rxmode_pending_bitmask);
                rxf->rxmode_active &= ~BNA_RXMODE_ALLMULTI;
                if (cleanup == BNA_HARD_CLEANUP) {
                        bna_bfi_mcast_filter_req(rxf, BNA_STATUS_T_ENABLED);
                        return 1;
                }
        }

        return 0;
}

static int
bna_rxf_promisc_enable(struct bna_rxf *rxf)
{
        struct bna *bna = rxf->rx->bna;
        int ret = 0;

        if (is_promisc_enable(rxf->rxmode_pending,
                                rxf->rxmode_pending_bitmask) ||
                (rxf->rxmode_active & BNA_RXMODE_PROMISC)) {
                /* Do nothing if pending enable or already enabled */
        } else if (is_promisc_disable(rxf->rxmode_pending,
                                        rxf->rxmode_pending_bitmask)) {
                /* Turn off pending disable command */
                promisc_inactive(rxf->rxmode_pending,
                        rxf->rxmode_pending_bitmask);
        } else {
                /* Schedule enable */
                promisc_enable(rxf->rxmode_pending,
                                rxf->rxmode_pending_bitmask);
                bna->promisc_rid = rxf->rx->rid;
                ret = 1;
        }

        return ret;
}

static int
bna_rxf_promisc_disable(struct bna_rxf *rxf)
{
        struct bna *bna = rxf->rx->bna;
        int ret = 0;

        if (is_promisc_disable(rxf->rxmode_pending,
                                rxf->rxmode_pending_bitmask) ||
                (!(rxf->rxmode_active & BNA_RXMODE_PROMISC))) {
                /* Do nothing if pending disable or already disabled */
        } else if (is_promisc_enable(rxf->rxmode_pending,
                                        rxf->rxmode_pending_bitmask)) {
                /* Turn off pending enable command */
                promisc_inactive(rxf->rxmode_pending,
                                rxf->rxmode_pending_bitmask);
                bna->promisc_rid = BFI_INVALID_RID;
        } else if (rxf->rxmode_active & BNA_RXMODE_PROMISC) {
                /* Schedule disable */
                promisc_disable(rxf->rxmode_pending,
                                rxf->rxmode_pending_bitmask);
                ret = 1;
        }

        return ret;
}

static int
bna_rxf_allmulti_enable(struct bna_rxf *rxf)
{
        int ret = 0;

        if (is_allmulti_enable(rxf->rxmode_pending,
                        rxf->rxmode_pending_bitmask) ||
                        (rxf->rxmode_active & BNA_RXMODE_ALLMULTI)) {
                /* Do nothing if pending enable or already enabled */
        } else if (is_allmulti_disable(rxf->rxmode_pending,
                                        rxf->rxmode_pending_bitmask)) {
                /* Turn off pending disable command */
                allmulti_inactive(rxf->rxmode_pending,
                        rxf->rxmode_pending_bitmask);
        } else {
                /* Schedule enable */
                allmulti_enable(rxf->rxmode_pending,
                                rxf->rxmode_pending_bitmask);
                ret = 1;
        }

        return ret;
}

static int
bna_rxf_allmulti_disable(struct bna_rxf *rxf)
{
        int ret = 0;

        if (is_allmulti_disable(rxf->rxmode_pending,
                                rxf->rxmode_pending_bitmask) ||
                (!(rxf->rxmode_active & BNA_RXMODE_ALLMULTI))) {
                /* Do nothing if pending disable or already disabled */
        } else if (is_allmulti_enable(rxf->rxmode_pending,
                                        rxf->rxmode_pending_bitmask)) {
                /* Turn off pending enable command */
                allmulti_inactive(rxf->rxmode_pending,
                                rxf->rxmode_pending_bitmask);
        } else if (rxf->rxmode_active & BNA_RXMODE_ALLMULTI) {
                /* Schedule disable */
                allmulti_disable(rxf->rxmode_pending,
                                rxf->rxmode_pending_bitmask);
                ret = 1;
        }

        return ret;
}

static int
bna_rxf_vlan_strip_cfg_apply(struct bna_rxf *rxf)
{
        if (rxf->vlan_strip_pending) {
                        rxf->vlan_strip_pending = false;
                        bna_bfi_vlan_strip_enable(rxf);
                        return 1;
        }

        return 0;
}

/* RX */

#define BNA_GET_RXQS(qcfg)      (((qcfg)->rxp_type == BNA_RXP_SINGLE) ? \
        (qcfg)->num_paths : ((qcfg)->num_paths * 2))

#define SIZE_TO_PAGES(size)     (((size) >> PAGE_SHIFT) + ((((size) &\
        (PAGE_SIZE - 1)) + (PAGE_SIZE - 1)) >> PAGE_SHIFT))

#define call_rx_stop_cbfn(rx)                                           \
do {                                                                \
        if ((rx)->stop_cbfn) {                                          \
                void (*cbfn)(void *, struct bna_rx *);    \
                void *cbarg;                                        \
                cbfn = (rx)->stop_cbfn;                          \
                cbarg = (rx)->stop_cbarg;                              \
                (rx)->stop_cbfn = NULL;                                 \
                (rx)->stop_cbarg = NULL;                                \
                cbfn(cbarg, rx);                                        \
        }                                                              \
} while (0)

#define call_rx_stall_cbfn(rx)                                          \
do {                                                                    \
        if ((rx)->rx_stall_cbfn)                                        \
                (rx)->rx_stall_cbfn((rx)->bna->bnad, (rx));             \
} while (0)

#define bfi_enet_datapath_q_init(bfi_q, bna_qpt)                        \
do {                                                                    \
        struct bna_dma_addr cur_q_addr =                                \
                *((struct bna_dma_addr *)((bna_qpt)->kv_qpt_ptr));      \
        (bfi_q)->pg_tbl.a32.addr_lo = (bna_qpt)->hw_qpt_ptr.lsb;        \
        (bfi_q)->pg_tbl.a32.addr_hi = (bna_qpt)->hw_qpt_ptr.msb;        \
        (bfi_q)->first_entry.a32.addr_lo = cur_q_addr.lsb;              \
        (bfi_q)->first_entry.a32.addr_hi = cur_q_addr.msb;              \
        (bfi_q)->pages = htons((u16)(bna_qpt)->page_count);     \
        (bfi_q)->page_sz = htons((u16)(bna_qpt)->page_size);\
} while (0)

static void bna_bfi_rx_enet_start(struct bna_rx *rx);
static void bna_rx_enet_stop(struct bna_rx *rx);
static void bna_rx_mod_cb_rx_stopped(void *arg, struct bna_rx *rx);

bfa_fsm_state_decl(bna_rx, stopped,
        struct bna_rx, enum bna_rx_event);
bfa_fsm_state_decl(bna_rx, start_wait,
        struct bna_rx, enum bna_rx_event);
bfa_fsm_state_decl(bna_rx, start_stop_wait,
        struct bna_rx, enum bna_rx_event);
bfa_fsm_state_decl(bna_rx, rxf_start_wait,
        struct bna_rx, enum bna_rx_event);
bfa_fsm_state_decl(bna_rx, started,
        struct bna_rx, enum bna_rx_event);
bfa_fsm_state_decl(bna_rx, rxf_stop_wait,
        struct bna_rx, enum bna_rx_event);
bfa_fsm_state_decl(bna_rx, stop_wait,
        struct bna_rx, enum bna_rx_event);
bfa_fsm_state_decl(bna_rx, cleanup_wait,
        struct bna_rx, enum bna_rx_event);
bfa_fsm_state_decl(bna_rx, failed,
        struct bna_rx, enum bna_rx_event);
bfa_fsm_state_decl(bna_rx, quiesce_wait,
        struct bna_rx, enum bna_rx_event);

static void bna_rx_sm_stopped_entry(struct bna_rx *rx)
{
        call_rx_stop_cbfn(rx);
}

static void bna_rx_sm_stopped(struct bna_rx *rx,
                                enum bna_rx_event event)
{
        switch (event) {
        case RX_E_START:
                bfa_fsm_set_state(rx, bna_rx_sm_start_wait);
                break;

        case RX_E_STOP:
                call_rx_stop_cbfn(rx);
                break;

        case RX_E_FAIL:
                /* no-op */
                break;

        default:
                bfa_sm_fault(event);
                break;
        }
}

static void bna_rx_sm_start_wait_entry(struct bna_rx *rx)
{
        bna_bfi_rx_enet_start(rx);
}

static void
bna_rx_sm_stop_wait_entry(struct bna_rx *rx)
{
}

static void
bna_rx_sm_stop_wait(struct bna_rx *rx, enum bna_rx_event event)
{
        switch (event) {
        case RX_E_FAIL:
        case RX_E_STOPPED:
                bfa_fsm_set_state(rx, bna_rx_sm_cleanup_wait);
                rx->rx_cleanup_cbfn(rx->bna->bnad, rx);
                break;

        case RX_E_STARTED:
                bna_rx_enet_stop(rx);
                break;

        default:
                bfa_sm_fault(event);
                break;
        }
}

static void bna_rx_sm_start_wait(struct bna_rx *rx,
                                enum bna_rx_event event)
{
        switch (event) {
        case RX_E_STOP:
                bfa_fsm_set_state(rx, bna_rx_sm_start_stop_wait);
                break;

        case RX_E_FAIL:
                bfa_fsm_set_state(rx, bna_rx_sm_stopped);
                break;

        case RX_E_STARTED:
                bfa_fsm_set_state(rx, bna_rx_sm_rxf_start_wait);
                break;

        default:
                bfa_sm_fault(event);
                break;
        }
}

static void bna_rx_sm_rxf_start_wait_entry(struct bna_rx *rx)
{
        rx->rx_post_cbfn(rx->bna->bnad, rx);
        bna_rxf_start(&rx->rxf);
}

static void
bna_rx_sm_rxf_stop_wait_entry(struct bna_rx *rx)
{
}

static void
bna_rx_sm_rxf_stop_wait(struct bna_rx *rx, enum bna_rx_event event)
{
        switch (event) {
        case RX_E_FAIL:
                bfa_fsm_set_state(rx, bna_rx_sm_cleanup_wait);
                bna_rxf_fail(&rx->rxf);
                call_rx_stall_cbfn(rx);
                rx->rx_cleanup_cbfn(rx->bna->bnad, rx);
                break;

        case RX_E_RXF_STARTED:
                bna_rxf_stop(&rx->rxf);
                break;

        case RX_E_RXF_STOPPED:
                bfa_fsm_set_state(rx, bna_rx_sm_stop_wait);
                call_rx_stall_cbfn(rx);
                bna_rx_enet_stop(rx);
                break;

        default:
                bfa_sm_fault(event);
                break;
        }

}

static void
bna_rx_sm_start_stop_wait_entry(struct bna_rx *rx)
{
}

static void
bna_rx_sm_start_stop_wait(struct bna_rx *rx, enum bna_rx_event event)
{
        switch (event) {
        case RX_E_FAIL:
        case RX_E_STOPPED:
                bfa_fsm_set_state(rx, bna_rx_sm_stopped);
                break;

        case RX_E_STARTED:
                bna_rx_enet_stop(rx);
                break;

        default:
                bfa_sm_fault(event);
        }
}

static void
bna_rx_sm_started_entry(struct bna_rx *rx)
{
        struct bna_rxp *rxp;
        int is_regular = (rx->type == BNA_RX_T_REGULAR);

        /* Start IB */
        list_for_each_entry(rxp, &rx->rxp_q, qe)
                bna_ib_start(rx->bna, &rxp->cq.ib, is_regular);

        bna_ethport_cb_rx_started(&rx->bna->ethport);
}

static void
bna_rx_sm_started(struct bna_rx *rx, enum bna_rx_event event)
{
        switch (event) {
        case RX_E_STOP:
                bfa_fsm_set_state(rx, bna_rx_sm_rxf_stop_wait);
                bna_ethport_cb_rx_stopped(&rx->bna->ethport);
                bna_rxf_stop(&rx->rxf);
                break;

        case RX_E_FAIL:
                bfa_fsm_set_state(rx, bna_rx_sm_failed);
                bna_ethport_cb_rx_stopped(&rx->bna->ethport);
                bna_rxf_fail(&rx->rxf);
                call_rx_stall_cbfn(rx);
                rx->rx_cleanup_cbfn(rx->bna->bnad, rx);
                break;

        default:
                bfa_sm_fault(event);
                break;
        }
}

static void bna_rx_sm_rxf_start_wait(struct bna_rx *rx,
                                enum bna_rx_event event)
{
        switch (event) {
        case RX_E_STOP:
                bfa_fsm_set_state(rx, bna_rx_sm_rxf_stop_wait);
                break;

        case RX_E_FAIL:
                bfa_fsm_set_state(rx, bna_rx_sm_failed);
                bna_rxf_fail(&rx->rxf);
                call_rx_stall_cbfn(rx);
                rx->rx_cleanup_cbfn(rx->bna->bnad, rx);
                break;

        case RX_E_RXF_STARTED:
                bfa_fsm_set_state(rx, bna_rx_sm_started);
                break;

        default:
                bfa_sm_fault(event);
                break;
        }
}

static void
bna_rx_sm_cleanup_wait_entry(struct bna_rx *rx)
{
}

static void
bna_rx_sm_cleanup_wait(struct bna_rx *rx, enum bna_rx_event event)
{
        switch (event) {
        case RX_E_FAIL:
        case RX_E_RXF_STOPPED:
                /* No-op */
                break;

        case RX_E_CLEANUP_DONE:
                bfa_fsm_set_state(rx, bna_rx_sm_stopped);
                break;

        default:
                bfa_sm_fault(event);
                break;
        }
}

static void
bna_rx_sm_failed_entry(struct bna_rx *rx)
{
}

static void
bna_rx_sm_failed(struct bna_rx *rx, enum bna_rx_event event)
{
        switch (event) {
        case RX_E_START:
                bfa_fsm_set_state(rx, bna_rx_sm_quiesce_wait);
                break;

        case RX_E_STOP:
                bfa_fsm_set_state(rx, bna_rx_sm_cleanup_wait);
                break;

        case RX_E_FAIL:
        case RX_E_RXF_STARTED:
        case RX_E_RXF_STOPPED:
                /* No-op */
                break;

        case RX_E_CLEANUP_DONE:
                bfa_fsm_set_state(rx, bna_rx_sm_stopped);
                break;

        default:
                bfa_sm_fault(event);
                break;
}       }

static void
bna_rx_sm_quiesce_wait_entry(struct bna_rx *rx)
{
}

static void
bna_rx_sm_quiesce_wait(struct bna_rx *rx, enum bna_rx_event event)
{
        switch (event) {
        case RX_E_STOP:
                bfa_fsm_set_state(rx, bna_rx_sm_cleanup_wait);
                break;

        case RX_E_FAIL:
                bfa_fsm_set_state(rx, bna_rx_sm_failed);
                break;

        case RX_E_CLEANUP_DONE:
                bfa_fsm_set_state(rx, bna_rx_sm_start_wait);
                break;

        default:
                bfa_sm_fault(event);
                break;
        }
}

static void
bna_bfi_rx_enet_start(struct bna_rx *rx)
{
        struct bfi_enet_rx_cfg_req *cfg_req = &rx->bfi_enet_cmd.cfg_req;
        struct bna_rxp *rxp = NULL;
        struct bna_rxq *q0 = NULL, *q1 = NULL;
        int i;

        bfi_msgq_mhdr_set(cfg_req->mh, BFI_MC_ENET,
                BFI_ENET_H2I_RX_CFG_SET_REQ, 0, rx->rid);
        cfg_req->mh.num_entries = htons(
                bfi_msgq_num_cmd_entries(sizeof(struct bfi_enet_rx_cfg_req)));

        cfg_req->rx_cfg.frame_size = bna_enet_mtu_get(&rx->bna->enet);
        cfg_req->num_queue_sets = rx->num_paths;
        for (i = 0; i < rx->num_paths; i++) {
                rxp = rxp ? list_next_entry(rxp, qe)
                        : list_first_entry(&rx->rxp_q, struct bna_rxp, qe);
                GET_RXQS(rxp, q0, q1);
                switch (rxp->type) {
                case BNA_RXP_SLR:
                case BNA_RXP_HDS:
                        /* Small RxQ */
                        bfi_enet_datapath_q_init(&cfg_req->q_cfg[i].qs.q,
                                                &q1->qpt);
                        cfg_req->q_cfg[i].qs.rx_buffer_size =
                                htons((u16)q1->buffer_size);
                        fallthrough;

                case BNA_RXP_SINGLE:
                        /* Large/Single RxQ */
                        bfi_enet_datapath_q_init(&cfg_req->q_cfg[i].ql.q,
                                                &q0->qpt);
                        if (q0->multi_buffer)
                                /* multi-buffer is enabled by allocating
                                 * a new rx with new set of resources.
                                 * q0->buffer_size should be initialized to
                                 * fragment size.
                                 */
                                cfg_req->rx_cfg.multi_buffer =
                                        BNA_STATUS_T_ENABLED;
                        else
                                q0->buffer_size =
                                        bna_enet_mtu_get(&rx->bna->enet);
                        cfg_req->q_cfg[i].ql.rx_buffer_size =
                                htons((u16)q0->buffer_size);
                        break;

                default:
                        BUG_ON(1);
                }

                bfi_enet_datapath_q_init(&cfg_req->q_cfg[i].cq.q,
                                        &rxp->cq.qpt);

                cfg_req->q_cfg[i].ib.index_addr.a32.addr_lo =
                        rxp->cq.ib.ib_seg_host_addr.lsb;
                cfg_req->q_cfg[i].ib.index_addr.a32.addr_hi =
                        rxp->cq.ib.ib_seg_host_addr.msb;
                cfg_req->q_cfg[i].ib.intr.msix_index =
                        htons((u16)rxp->cq.ib.intr_vector);
        }

        cfg_req->ib_cfg.int_pkt_dma = BNA_STATUS_T_DISABLED;
        cfg_req->ib_cfg.int_enabled = BNA_STATUS_T_ENABLED;
        cfg_req->ib_cfg.int_pkt_enabled = BNA_STATUS_T_DISABLED;
        cfg_req->ib_cfg.continuous_coalescing = BNA_STATUS_T_DISABLED;
        cfg_req->ib_cfg.msix = (rxp->cq.ib.intr_type == BNA_INTR_T_MSIX)
                                ? BNA_STATUS_T_ENABLED :
                                BNA_STATUS_T_DISABLED;
        cfg_req->ib_cfg.coalescing_timeout =
                        htonl((u32)rxp->cq.ib.coalescing_timeo);
        cfg_req->ib_cfg.inter_pkt_timeout =
                        htonl((u32)rxp->cq.ib.interpkt_timeo);
        cfg_req->ib_cfg.inter_pkt_count = (u8)rxp->cq.ib.interpkt_count;

        switch (rxp->type) {
        case BNA_RXP_SLR:
                cfg_req->rx_cfg.rxq_type = BFI_ENET_RXQ_LARGE_SMALL;
                break;

        case BNA_RXP_HDS:
                cfg_req->rx_cfg.rxq_type = BFI_ENET_RXQ_HDS;
                cfg_req->rx_cfg.hds.type = rx->hds_cfg.hdr_type;
                cfg_req->rx_cfg.hds.force_offset = rx->hds_cfg.forced_offset;
                cfg_req->rx_cfg.hds.max_header_size = rx->hds_cfg.forced_offset;
                break;

        case BNA_RXP_SINGLE:
                cfg_req->rx_cfg.rxq_type = BFI_ENET_RXQ_SINGLE;
                break;

        default:
                BUG_ON(1);
        }
        cfg_req->rx_cfg.strip_vlan = rx->rxf.vlan_strip_status;

        bfa_msgq_cmd_set(&rx->msgq_cmd, NULL, NULL,
                sizeof(struct bfi_enet_rx_cfg_req), &cfg_req->mh);
        bfa_msgq_cmd_post(&rx->bna->msgq, &rx->msgq_cmd);
}

static void
bna_bfi_rx_enet_stop(struct bna_rx *rx)
{
        struct bfi_enet_req *req = &rx->bfi_enet_cmd.req;

        bfi_msgq_mhdr_set(req->mh, BFI_MC_ENET,
                BFI_ENET_H2I_RX_CFG_CLR_REQ, 0, rx->rid);
        req->mh.num_entries = htons(
                bfi_msgq_num_cmd_entries(sizeof(struct bfi_enet_req)));
        bfa_msgq_cmd_set(&rx->msgq_cmd, NULL, NULL, sizeof(struct bfi_enet_req),
                &req->mh);
        bfa_msgq_cmd_post(&rx->bna->msgq, &rx->msgq_cmd);
}

static void
bna_rx_enet_stop(struct bna_rx *rx)
{
        struct bna_rxp *rxp;

        /* Stop IB */
        list_for_each_entry(rxp, &rx->rxp_q, qe)
                bna_ib_stop(rx->bna, &rxp->cq.ib);

        bna_bfi_rx_enet_stop(rx);
}

static int
bna_rx_res_check(struct bna_rx_mod *rx_mod, struct bna_rx_config *rx_cfg)
{
        if ((rx_mod->rx_free_count == 0) ||
                (rx_mod->rxp_free_count == 0) ||
                (rx_mod->rxq_free_count == 0))
                return 0;

        if (rx_cfg->rxp_type == BNA_RXP_SINGLE) {
                if ((rx_mod->rxp_free_count < rx_cfg->num_paths) ||
                        (rx_mod->rxq_free_count < rx_cfg->num_paths))
                                return 0;
        } else {
                if ((rx_mod->rxp_free_count < rx_cfg->num_paths) ||
                        (rx_mod->rxq_free_count < (2 * rx_cfg->num_paths)))
                        return 0;
        }

        return 1;
}

static struct bna_rxq *
bna_rxq_get(struct bna_rx_mod *rx_mod)
{
        struct bna_rxq *rxq = NULL;

        rxq = list_first_entry(&rx_mod->rxq_free_q, struct bna_rxq, qe);
        list_del(&rxq->qe);
        rx_mod->rxq_free_count--;

        return rxq;
}

static void
bna_rxq_put(struct bna_rx_mod *rx_mod, struct bna_rxq *rxq)
{
        list_add_tail(&rxq->qe, &rx_mod->rxq_free_q);
        rx_mod->rxq_free_count++;
}

static struct bna_rxp *
bna_rxp_get(struct bna_rx_mod *rx_mod)
{
        struct bna_rxp *rxp = NULL;

        rxp = list_first_entry(&rx_mod->rxp_free_q, struct bna_rxp, qe);
        list_del(&rxp->qe);
        rx_mod->rxp_free_count--;

        return rxp;
}

static void
bna_rxp_put(struct bna_rx_mod *rx_mod, struct bna_rxp *rxp)
{
        list_add_tail(&rxp->qe, &rx_mod->rxp_free_q);
        rx_mod->rxp_free_count++;
}

static struct bna_rx *
bna_rx_get(struct bna_rx_mod *rx_mod, enum bna_rx_type type)
{
        struct bna_rx *rx = NULL;

        BUG_ON(list_empty(&rx_mod->rx_free_q));
        if (type == BNA_RX_T_REGULAR)
                rx = list_first_entry(&rx_mod->rx_free_q, struct bna_rx, qe);
        else
                rx = list_last_entry(&rx_mod->rx_free_q, struct bna_rx, qe);

        rx_mod->rx_free_count--;
        list_move_tail(&rx->qe, &rx_mod->rx_active_q);
        rx->type = type;

        return rx;
}

static void
bna_rx_put(struct bna_rx_mod *rx_mod, struct bna_rx *rx)
{
        struct list_head *qe;

        list_for_each_prev(qe, &rx_mod->rx_free_q)
                if (((struct bna_rx *)qe)->rid < rx->rid)
                        break;

        list_add(&rx->qe, qe);
        rx_mod->rx_free_count++;
}

static void
bna_rxp_add_rxqs(struct bna_rxp *rxp, struct bna_rxq *q0,
                struct bna_rxq *q1)
{
        switch (rxp->type) {
        case BNA_RXP_SINGLE:
                rxp->rxq.single.only = q0;
                rxp->rxq.single.reserved = NULL;
                break;
        case BNA_RXP_SLR:
                rxp->rxq.slr.large = q0;
                rxp->rxq.slr.small = q1;
                break;
        case BNA_RXP_HDS:
                rxp->rxq.hds.data = q0;
                rxp->rxq.hds.hdr = q1;
                break;
        default:
                break;
        }
}

static void
bna_rxq_qpt_setup(struct bna_rxq *rxq,
                struct bna_rxp *rxp,
                u32 page_count,
                u32 page_size,
                struct bna_mem_descr *qpt_mem,
                struct bna_mem_descr *swqpt_mem,
                struct bna_mem_descr *page_mem)
{
        u8 *kva;
        u64 dma;
        struct bna_dma_addr bna_dma;
        int     i;

        rxq->qpt.hw_qpt_ptr.lsb = qpt_mem->dma.lsb;
        rxq->qpt.hw_qpt_ptr.msb = qpt_mem->dma.msb;
        rxq->qpt.kv_qpt_ptr = qpt_mem->kva;
        rxq->qpt.page_count = page_count;
        rxq->qpt.page_size = page_size;

        rxq->rcb->sw_qpt = (void **) swqpt_mem->kva;
        rxq->rcb->sw_q = page_mem->kva;

        kva = page_mem->kva;
        BNA_GET_DMA_ADDR(&page_mem->dma, dma);

        for (i = 0; i < rxq->qpt.page_count; i++) {
                rxq->rcb->sw_qpt[i] = kva;
                kva += PAGE_SIZE;

                BNA_SET_DMA_ADDR(dma, &bna_dma);
                ((struct bna_dma_addr *)rxq->qpt.kv_qpt_ptr)[i].lsb =
                        bna_dma.lsb;
                ((struct bna_dma_addr *)rxq->qpt.kv_qpt_ptr)[i].msb =
                        bna_dma.msb;
                dma += PAGE_SIZE;
        }
}

static void
bna_rxp_cqpt_setup(struct bna_rxp *rxp,
                u32 page_count,
                u32 page_size,
                struct bna_mem_descr *qpt_mem,
                struct bna_mem_descr *swqpt_mem,
                struct bna_mem_descr *page_mem)
{
        u8 *kva;
        u64 dma;
        struct bna_dma_addr bna_dma;
        int     i;

        rxp->cq.qpt.hw_qpt_ptr.lsb = qpt_mem->dma.lsb;
        rxp->cq.qpt.hw_qpt_ptr.msb = qpt_mem->dma.msb;
        rxp->cq.qpt.kv_qpt_ptr = qpt_mem->kva;
        rxp->cq.qpt.page_count = page_count;
        rxp->cq.qpt.page_size = page_size;

        rxp->cq.ccb->sw_qpt = (void **) swqpt_mem->kva;
        rxp->cq.ccb->sw_q = page_mem->kva;

        kva = page_mem->kva;
        BNA_GET_DMA_ADDR(&page_mem->dma, dma);

        for (i = 0; i < rxp->cq.qpt.page_count; i++) {
                rxp->cq.ccb->sw_qpt[i] = kva;
                kva += PAGE_SIZE;

                BNA_SET_DMA_ADDR(dma, &bna_dma);
                ((struct bna_dma_addr *)rxp->cq.qpt.kv_qpt_ptr)[i].lsb =
                        bna_dma.lsb;
                ((struct bna_dma_addr *)rxp->cq.qpt.kv_qpt_ptr)[i].msb =
                        bna_dma.msb;
                dma += PAGE_SIZE;
        }
}

static void
bna_rx_mod_cb_rx_stopped(void *arg, struct bna_rx *rx)
{
        struct bna_rx_mod *rx_mod = (struct bna_rx_mod *)arg;

        bfa_wc_down(&rx_mod->rx_stop_wc);
}

static void
bna_rx_mod_cb_rx_stopped_all(void *arg)
{
        struct bna_rx_mod *rx_mod = (struct bna_rx_mod *)arg;

        if (rx_mod->stop_cbfn)
                rx_mod->stop_cbfn(&rx_mod->bna->enet);
        rx_mod->stop_cbfn = NULL;
}

static void
bna_rx_start(struct bna_rx *rx)
{
        rx->rx_flags |= BNA_RX_F_ENET_STARTED;
        if (rx->rx_flags & BNA_RX_F_ENABLED)
                bfa_fsm_send_event(rx, RX_E_START);
}

static void
bna_rx_stop(struct bna_rx *rx)
{
        rx->rx_flags &= ~BNA_RX_F_ENET_STARTED;
        if (rx->fsm == bna_rx_sm_stopped)
                bna_rx_mod_cb_rx_stopped(&rx->bna->rx_mod, rx);
        else {
                rx->stop_cbfn = bna_rx_mod_cb_rx_stopped;
                rx->stop_cbarg = &rx->bna->rx_mod;
                bfa_fsm_send_event(rx, RX_E_STOP);
        }
}

static void
bna_rx_fail(struct bna_rx *rx)
{
        /* Indicate Enet is not enabled, and failed */
        rx->rx_flags &= ~BNA_RX_F_ENET_STARTED;
        bfa_fsm_send_event(rx, RX_E_FAIL);
}

void
bna_rx_mod_start(struct bna_rx_mod *rx_mod, enum bna_rx_type type)
{
        struct bna_rx *rx;

        rx_mod->flags |= BNA_RX_MOD_F_ENET_STARTED;
        if (type == BNA_RX_T_LOOPBACK)
                rx_mod->flags |= BNA_RX_MOD_F_ENET_LOOPBACK;

        list_for_each_entry(rx, &rx_mod->rx_active_q, qe)
                if (rx->type == type)
                        bna_rx_start(rx);
}

void
bna_rx_mod_stop(struct bna_rx_mod *rx_mod, enum bna_rx_type type)
{
        struct bna_rx *rx;

        rx_mod->flags &= ~BNA_RX_MOD_F_ENET_STARTED;
        rx_mod->flags &= ~BNA_RX_MOD_F_ENET_LOOPBACK;

        rx_mod->stop_cbfn = bna_enet_cb_rx_stopped;

        bfa_wc_init(&rx_mod->rx_stop_wc, bna_rx_mod_cb_rx_stopped_all, rx_mod);

        list_for_each_entry(rx, &rx_mod->rx_active_q, qe)
                if (rx->type == type) {
                        bfa_wc_up(&rx_mod->rx_stop_wc);
                        bna_rx_stop(rx);
                }

        bfa_wc_wait(&rx_mod->rx_stop_wc);
}

void
bna_rx_mod_fail(struct bna_rx_mod *rx_mod)
{
        struct bna_rx *rx;

        rx_mod->flags &= ~BNA_RX_MOD_F_ENET_STARTED;
        rx_mod->flags &= ~BNA_RX_MOD_F_ENET_LOOPBACK;

        list_for_each_entry(rx, &rx_mod->rx_active_q, qe)
                bna_rx_fail(rx);
}

void bna_rx_mod_init(struct bna_rx_mod *rx_mod, struct bna *bna,
                        struct bna_res_info *res_info)
{
        int     index;
        struct bna_rx *rx_ptr;
        struct bna_rxp *rxp_ptr;
        struct bna_rxq *rxq_ptr;

        rx_mod->bna = bna;
        rx_mod->flags = 0;

        rx_mod->rx = (struct bna_rx *)
                res_info[BNA_MOD_RES_MEM_T_RX_ARRAY].res_u.mem_info.mdl[0].kva;
        rx_mod->rxp = (struct bna_rxp *)
                res_info[BNA_MOD_RES_MEM_T_RXP_ARRAY].res_u.mem_info.mdl[0].kva;
        rx_mod->rxq = (struct bna_rxq *)
                res_info[BNA_MOD_RES_MEM_T_RXQ_ARRAY].res_u.mem_info.mdl[0].kva;

        /* Initialize the queues */
        INIT_LIST_HEAD(&rx_mod->rx_free_q);
        rx_mod->rx_free_count = 0;
        INIT_LIST_HEAD(&rx_mod->rxq_free_q);
        rx_mod->rxq_free_count = 0;
        INIT_LIST_HEAD(&rx_mod->rxp_free_q);
        rx_mod->rxp_free_count = 0;
        INIT_LIST_HEAD(&rx_mod->rx_active_q);

        /* Build RX queues */
        for (index = 0; index < bna->ioceth.attr.num_rxp; index++) {
                rx_ptr = &rx_mod->rx[index];

                INIT_LIST_HEAD(&rx_ptr->rxp_q);
                rx_ptr->bna = NULL;
                rx_ptr->rid = index;
                rx_ptr->stop_cbfn = NULL;
                rx_ptr->stop_cbarg = NULL;

                list_add_tail(&rx_ptr->qe, &rx_mod->rx_free_q);
                rx_mod->rx_free_count++;
        }

        /* build RX-path queue */
        for (index = 0; index < bna->ioceth.attr.num_rxp; index++) {
                rxp_ptr = &rx_mod->rxp[index];
                list_add_tail(&rxp_ptr->qe, &rx_mod->rxp_free_q);
                rx_mod->rxp_free_count++;
        }

        /* build RXQ queue */
        for (index = 0; index < (bna->ioceth.attr.num_rxp * 2); index++) {
                rxq_ptr = &rx_mod->rxq[index];
                list_add_tail(&rxq_ptr->qe, &rx_mod->rxq_free_q);
                rx_mod->rxq_free_count++;
        }
}

void
bna_rx_mod_uninit(struct bna_rx_mod *rx_mod)
{
        rx_mod->bna = NULL;
}

void
bna_bfi_rx_enet_start_rsp(struct bna_rx *rx, struct bfi_msgq_mhdr *msghdr)
{
        struct bfi_enet_rx_cfg_rsp *cfg_rsp = &rx->bfi_enet_cmd.cfg_rsp;
        struct bna_rxp *rxp = NULL;
        struct bna_rxq *q0 = NULL, *q1 = NULL;
        int i;

        bfa_msgq_rsp_copy(&rx->bna->msgq, (u8 *)cfg_rsp,
                sizeof(struct bfi_enet_rx_cfg_rsp));

        rx->hw_id = cfg_rsp->hw_id;

        for (i = 0, rxp = list_first_entry(&rx->rxp_q, struct bna_rxp, qe);
             i < rx->num_paths; i++, rxp = list_next_entry(rxp, qe)) {
                GET_RXQS(rxp, q0, q1);

                /* Setup doorbells */
                rxp->cq.ccb->i_dbell->doorbell_addr =
                        rx->bna->pcidev.pci_bar_kva
                        + ntohl(cfg_rsp->q_handles[i].i_dbell);
                rxp->hw_id = cfg_rsp->q_handles[i].hw_cqid;
                q0->rcb->q_dbell =
                        rx->bna->pcidev.pci_bar_kva
                        + ntohl(cfg_rsp->q_handles[i].ql_dbell);
                q0->hw_id = cfg_rsp->q_handles[i].hw_lqid;
                if (q1) {
                        q1->rcb->q_dbell =
                        rx->bna->pcidev.pci_bar_kva
                        + ntohl(cfg_rsp->q_handles[i].qs_dbell);
                        q1->hw_id = cfg_rsp->q_handles[i].hw_sqid;
                }

                /* Initialize producer/consumer indexes */
                (*rxp->cq.ccb->hw_producer_index) = 0;
                rxp->cq.ccb->producer_index = 0;
                q0->rcb->producer_index = q0->rcb->consumer_index = 0;
                if (q1)
                        q1->rcb->producer_index = q1->rcb->consumer_index = 0;
        }

        bfa_fsm_send_event(rx, RX_E_STARTED);
}

void
bna_bfi_rx_enet_stop_rsp(struct bna_rx *rx, struct bfi_msgq_mhdr *msghdr)
{
        bfa_fsm_send_event(rx, RX_E_STOPPED);
}

void
bna_rx_res_req(struct bna_rx_config *q_cfg, struct bna_res_info *res_info)
{
        u32 cq_size, hq_size, dq_size;
        u32 cpage_count, hpage_count, dpage_count;
        struct bna_mem_info *mem_info;
        u32 cq_depth;
        u32 hq_depth;
        u32 dq_depth;

        dq_depth = q_cfg->q0_depth;
        hq_depth = ((q_cfg->rxp_type == BNA_RXP_SINGLE) ? 0 : q_cfg->q1_depth);
        cq_depth = roundup_pow_of_two(dq_depth + hq_depth);

        cq_size = cq_depth * BFI_CQ_WI_SIZE;
        cq_size = ALIGN(cq_size, PAGE_SIZE);
        cpage_count = SIZE_TO_PAGES(cq_size);

        dq_depth = roundup_pow_of_two(dq_depth);
        dq_size = dq_depth * BFI_RXQ_WI_SIZE;
        dq_size = ALIGN(dq_size, PAGE_SIZE);
        dpage_count = SIZE_TO_PAGES(dq_size);

        if (BNA_RXP_SINGLE != q_cfg->rxp_type) {
                hq_depth = roundup_pow_of_two(hq_depth);
                hq_size = hq_depth * BFI_RXQ_WI_SIZE;
                hq_size = ALIGN(hq_size, PAGE_SIZE);
                hpage_count = SIZE_TO_PAGES(hq_size);
        } else
                hpage_count = 0;

        res_info[BNA_RX_RES_MEM_T_CCB].res_type = BNA_RES_T_MEM;
        mem_info = &res_info[BNA_RX_RES_MEM_T_CCB].res_u.mem_info;
        mem_info->mem_type = BNA_MEM_T_KVA;
        mem_info->len = sizeof(struct bna_ccb);
        mem_info->num = q_cfg->num_paths;

        res_info[BNA_RX_RES_MEM_T_RCB].res_type = BNA_RES_T_MEM;
        mem_info = &res_info[BNA_RX_RES_MEM_T_RCB].res_u.mem_info;
        mem_info->mem_type = BNA_MEM_T_KVA;
        mem_info->len = sizeof(struct bna_rcb);
        mem_info->num = BNA_GET_RXQS(q_cfg);

        res_info[BNA_RX_RES_MEM_T_CQPT].res_type = BNA_RES_T_MEM;
        mem_info = &res_info[BNA_RX_RES_MEM_T_CQPT].res_u.mem_info;
        mem_info->mem_type = BNA_MEM_T_DMA;
        mem_info->len = cpage_count * sizeof(struct bna_dma_addr);
        mem_info->num = q_cfg->num_paths;

        res_info[BNA_RX_RES_MEM_T_CSWQPT].res_type = BNA_RES_T_MEM;
        mem_info = &res_info[BNA_RX_RES_MEM_T_CSWQPT].res_u.mem_info;
        mem_info->mem_type = BNA_MEM_T_KVA;
        mem_info->len = cpage_count * sizeof(void *);
        mem_info->num = q_cfg->num_paths;

        res_info[BNA_RX_RES_MEM_T_CQPT_PAGE].res_type = BNA_RES_T_MEM;
        mem_info = &res_info[BNA_RX_RES_MEM_T_CQPT_PAGE].res_u.mem_info;
        mem_info->mem_type = BNA_MEM_T_DMA;
        mem_info->len = PAGE_SIZE * cpage_count;
        mem_info->num = q_cfg->num_paths;

        res_info[BNA_RX_RES_MEM_T_DQPT].res_type = BNA_RES_T_MEM;
        mem_info = &res_info[BNA_RX_RES_MEM_T_DQPT].res_u.mem_info;
        mem_info->mem_type = BNA_MEM_T_DMA;
        mem_info->len = dpage_count * sizeof(struct bna_dma_addr);
        mem_info->num = q_cfg->num_paths;

        res_info[BNA_RX_RES_MEM_T_DSWQPT].res_type = BNA_RES_T_MEM;
        mem_info = &res_info[BNA_RX_RES_MEM_T_DSWQPT].res_u.mem_info;
        mem_info->mem_type = BNA_MEM_T_KVA;
        mem_info->len = dpage_count * sizeof(void *);
        mem_info->num = q_cfg->num_paths;

        res_info[BNA_RX_RES_MEM_T_DPAGE].res_type = BNA_RES_T_MEM;
        mem_info = &res_info[BNA_RX_RES_MEM_T_DPAGE].res_u.mem_info;
        mem_info->mem_type = BNA_MEM_T_DMA;
        mem_info->len = PAGE_SIZE * dpage_count;
        mem_info->num = q_cfg->num_paths;

        res_info[BNA_RX_RES_MEM_T_HQPT].res_type = BNA_RES_T_MEM;
        mem_info = &res_info[BNA_RX_RES_MEM_T_HQPT].res_u.mem_info;
        mem_info->mem_type = BNA_MEM_T_DMA;
        mem_info->len = hpage_count * sizeof(struct bna_dma_addr);
        mem_info->num = (hpage_count ? q_cfg->num_paths : 0);

        res_info[BNA_RX_RES_MEM_T_HSWQPT].res_type = BNA_RES_T_MEM;
        mem_info = &res_info[BNA_RX_RES_MEM_T_HSWQPT].res_u.mem_info;
        mem_info->mem_type = BNA_MEM_T_KVA;
        mem_info->len = hpage_count * sizeof(void *);
        mem_info->num = (hpage_count ? q_cfg->num_paths : 0);

        res_info[BNA_RX_RES_MEM_T_HPAGE].res_type = BNA_RES_T_MEM;
        mem_info = &res_info[BNA_RX_RES_MEM_T_HPAGE].res_u.mem_info;
        mem_info->mem_type = BNA_MEM_T_DMA;
        mem_info->len = PAGE_SIZE * hpage_count;
        mem_info->num = (hpage_count ? q_cfg->num_paths : 0);

        res_info[BNA_RX_RES_MEM_T_IBIDX].res_type = BNA_RES_T_MEM;
        mem_info = &res_info[BNA_RX_RES_MEM_T_IBIDX].res_u.mem_info;
        mem_info->mem_type = BNA_MEM_T_DMA;
        mem_info->len = BFI_IBIDX_SIZE;
        mem_info->num = q_cfg->num_paths;

        res_info[BNA_RX_RES_MEM_T_RIT].res_type = BNA_RES_T_MEM;
        mem_info = &res_info[BNA_RX_RES_MEM_T_RIT].res_u.mem_info;
        mem_info->mem_type = BNA_MEM_T_KVA;
        mem_info->len = BFI_ENET_RSS_RIT_MAX;
        mem_info->num = 1;

        res_info[BNA_RX_RES_T_INTR].res_type = BNA_RES_T_INTR;
        res_info[BNA_RX_RES_T_INTR].res_u.intr_info.intr_type = BNA_INTR_T_MSIX;
        res_info[BNA_RX_RES_T_INTR].res_u.intr_info.num = q_cfg->num_paths;
}

struct bna_rx *
bna_rx_create(struct bna *bna, struct bnad *bnad,
                struct bna_rx_config *rx_cfg,
                const struct bna_rx_event_cbfn *rx_cbfn,
                struct bna_res_info *res_info,
                void *priv)
{
        struct bna_rx_mod *rx_mod = &bna->rx_mod;
        struct bna_rx *rx;
        struct bna_rxp *rxp;
        struct bna_rxq *q0;
        struct bna_rxq *q1;
        struct bna_intr_info *intr_info;
        struct bna_mem_descr *hqunmap_mem;
        struct bna_mem_descr *dqunmap_mem;
        struct bna_mem_descr *ccb_mem;
        struct bna_mem_descr *rcb_mem;
        struct bna_mem_descr *cqpt_mem;
        struct bna_mem_descr *cswqpt_mem;
        struct bna_mem_descr *cpage_mem;
        struct bna_mem_descr *hqpt_mem;
        struct bna_mem_descr *dqpt_mem;
        struct bna_mem_descr *hsqpt_mem;
        struct bna_mem_descr *dsqpt_mem;
        struct bna_mem_descr *hpage_mem;
        struct bna_mem_descr *dpage_mem;
        u32 dpage_count, hpage_count;
        u32 hq_idx, dq_idx, rcb_idx;
        u32 cq_depth, i;
        u32 page_count;

        if (!bna_rx_res_check(rx_mod, rx_cfg))
                return NULL;

        intr_info = &res_info[BNA_RX_RES_T_INTR].res_u.intr_info;
        ccb_mem = &res_info[BNA_RX_RES_MEM_T_CCB].res_u.mem_info.mdl[0];
        rcb_mem = &res_info[BNA_RX_RES_MEM_T_RCB].res_u.mem_info.mdl[0];
        dqunmap_mem = &res_info[BNA_RX_RES_MEM_T_UNMAPDQ].res_u.mem_info.mdl[0];
        hqunmap_mem = &res_info[BNA_RX_RES_MEM_T_UNMAPHQ].res_u.mem_info.mdl[0];
        cqpt_mem = &res_info[BNA_RX_RES_MEM_T_CQPT].res_u.mem_info.mdl[0];
        cswqpt_mem = &res_info[BNA_RX_RES_MEM_T_CSWQPT].res_u.mem_info.mdl[0];
        cpage_mem = &res_info[BNA_RX_RES_MEM_T_CQPT_PAGE].res_u.mem_info.mdl[0];
        hqpt_mem = &res_info[BNA_RX_RES_MEM_T_HQPT].res_u.mem_info.mdl[0];
        dqpt_mem = &res_info[BNA_RX_RES_MEM_T_DQPT].res_u.mem_info.mdl[0];
        hsqpt_mem = &res_info[BNA_RX_RES_MEM_T_HSWQPT].res_u.mem_info.mdl[0];
        dsqpt_mem = &res_info[BNA_RX_RES_MEM_T_DSWQPT].res_u.mem_info.mdl[0];
        hpage_mem = &res_info[BNA_RX_RES_MEM_T_HPAGE].res_u.mem_info.mdl[0];
        dpage_mem = &res_info[BNA_RX_RES_MEM_T_DPAGE].res_u.mem_info.mdl[0];

        page_count = res_info[BNA_RX_RES_MEM_T_CQPT_PAGE].res_u.mem_info.len /
                        PAGE_SIZE;

        dpage_count = res_info[BNA_RX_RES_MEM_T_DPAGE].res_u.mem_info.len /
                        PAGE_SIZE;

        hpage_count = res_info[BNA_RX_RES_MEM_T_HPAGE].res_u.mem_info.len /
                        PAGE_SIZE;

        rx = bna_rx_get(rx_mod, rx_cfg->rx_type);
        rx->bna = bna;
        rx->rx_flags = 0;
        INIT_LIST_HEAD(&rx->rxp_q);
        rx->stop_cbfn = NULL;
        rx->stop_cbarg = NULL;
        rx->priv = priv;

        rx->rcb_setup_cbfn = rx_cbfn->rcb_setup_cbfn;
        rx->rcb_destroy_cbfn = rx_cbfn->rcb_destroy_cbfn;
        rx->ccb_setup_cbfn = rx_cbfn->ccb_setup_cbfn;
        rx->ccb_destroy_cbfn = rx_cbfn->ccb_destroy_cbfn;
        rx->rx_stall_cbfn = rx_cbfn->rx_stall_cbfn;
        /* Following callbacks are mandatory */
        rx->rx_cleanup_cbfn = rx_cbfn->rx_cleanup_cbfn;
        rx->rx_post_cbfn = rx_cbfn->rx_post_cbfn;

        if (rx->bna->rx_mod.flags & BNA_RX_MOD_F_ENET_STARTED) {
                switch (rx->type) {
                case BNA_RX_T_REGULAR:
                        if (!(rx->bna->rx_mod.flags &
                                BNA_RX_MOD_F_ENET_LOOPBACK))
                                rx->rx_flags |= BNA_RX_F_ENET_STARTED;
                        break;
                case BNA_RX_T_LOOPBACK:
                        if (rx->bna->rx_mod.flags & BNA_RX_MOD_F_ENET_LOOPBACK)
                                rx->rx_flags |= BNA_RX_F_ENET_STARTED;
                        break;
                }
        }

        rx->num_paths = rx_cfg->num_paths;
        for (i = 0, hq_idx = 0, dq_idx = 0, rcb_idx = 0;
                        i < rx->num_paths; i++) {
                rxp = bna_rxp_get(rx_mod);
                list_add_tail(&rxp->qe, &rx->rxp_q);
                rxp->type = rx_cfg->rxp_type;
                rxp->rx = rx;
                rxp->cq.rx = rx;

                q0 = bna_rxq_get(rx_mod);
                if (BNA_RXP_SINGLE == rx_cfg->rxp_type)
                        q1 = NULL;
                else
                        q1 = bna_rxq_get(rx_mod);

                if (1 == intr_info->num)
                        rxp->vector = intr_info->idl[0].vector;
                else
                        rxp->vector = intr_info->idl[i].vector;

                /* Setup IB */

                rxp->cq.ib.ib_seg_host_addr.lsb =
                res_info[BNA_RX_RES_MEM_T_IBIDX].res_u.mem_info.mdl[i].dma.lsb;
                rxp->cq.ib.ib_seg_host_addr.msb =
                res_info[BNA_RX_RES_MEM_T_IBIDX].res_u.mem_info.mdl[i].dma.msb;
                rxp->cq.ib.ib_seg_host_addr_kva =
                res_info[BNA_RX_RES_MEM_T_IBIDX].res_u.mem_info.mdl[i].kva;
                rxp->cq.ib.intr_type = intr_info->intr_type;
                if (intr_info->intr_type == BNA_INTR_T_MSIX)
                        rxp->cq.ib.intr_vector = rxp->vector;
                else
                        rxp->cq.ib.intr_vector = BIT(rxp->vector);
                rxp->cq.ib.coalescing_timeo = rx_cfg->coalescing_timeo;
                rxp->cq.ib.interpkt_count = BFI_RX_INTERPKT_COUNT;
                rxp->cq.ib.interpkt_timeo = BFI_RX_INTERPKT_TIMEO;

                bna_rxp_add_rxqs(rxp, q0, q1);

                /* Setup large Q */

                q0->rx = rx;
                q0->rxp = rxp;

                q0->rcb = (struct bna_rcb *) rcb_mem[rcb_idx].kva;
                q0->rcb->unmap_q = (void *)dqunmap_mem[dq_idx].kva;
                rcb_idx++; dq_idx++;
                q0->rcb->q_depth = rx_cfg->q0_depth;
                q0->q_depth = rx_cfg->q0_depth;
                q0->multi_buffer = rx_cfg->q0_multi_buf;
                q0->buffer_size = rx_cfg->q0_buf_size;
                q0->num_vecs = rx_cfg->q0_num_vecs;
                q0->rcb->rxq = q0;
                q0->rcb->bnad = bna->bnad;
                q0->rcb->id = 0;
                q0->rx_packets = q0->rx_bytes = 0;
                q0->rx_packets_with_error = q0->rxbuf_alloc_failed = 0;
                q0->rxbuf_map_failed = 0;

                bna_rxq_qpt_setup(q0, rxp, dpage_count, PAGE_SIZE,
                        &dqpt_mem[i], &dsqpt_mem[i], &dpage_mem[i]);

                if (rx->rcb_setup_cbfn)
                        rx->rcb_setup_cbfn(bnad, q0->rcb);

                /* Setup small Q */

                if (q1) {
                        q1->rx = rx;
                        q1->rxp = rxp;

                        q1->rcb = (struct bna_rcb *) rcb_mem[rcb_idx].kva;
                        q1->rcb->unmap_q = (void *)hqunmap_mem[hq_idx].kva;
                        rcb_idx++; hq_idx++;
                        q1->rcb->q_depth = rx_cfg->q1_depth;
                        q1->q_depth = rx_cfg->q1_depth;
                        q1->multi_buffer = BNA_STATUS_T_DISABLED;
                        q1->num_vecs = 1;
                        q1->rcb->rxq = q1;
                        q1->rcb->bnad = bna->bnad;
                        q1->rcb->id = 1;
                        q1->buffer_size = (rx_cfg->rxp_type == BNA_RXP_HDS) ?
                                        rx_cfg->hds_config.forced_offset
                                        : rx_cfg->q1_buf_size;
                        q1->rx_packets = q1->rx_bytes = 0;
                        q1->rx_packets_with_error = q1->rxbuf_alloc_failed = 0;
                        q1->rxbuf_map_failed = 0;

                        bna_rxq_qpt_setup(q1, rxp, hpage_count, PAGE_SIZE,
                                &hqpt_mem[i], &hsqpt_mem[i],
                                &hpage_mem[i]);

                        if (rx->rcb_setup_cbfn)
                                rx->rcb_setup_cbfn(bnad, q1->rcb);
                }

                /* Setup CQ */

                rxp->cq.ccb = (struct bna_ccb *) ccb_mem[i].kva;
                cq_depth = rx_cfg->q0_depth +
                        ((rx_cfg->rxp_type == BNA_RXP_SINGLE) ?
                         0 : rx_cfg->q1_depth);
                /* if multi-buffer is enabled sum of q0_depth
                 * and q1_depth need not be a power of 2
                 */
                cq_depth = roundup_pow_of_two(cq_depth);
                rxp->cq.ccb->q_depth = cq_depth;
                rxp->cq.ccb->cq = &rxp->cq;
                rxp->cq.ccb->rcb[0] = q0->rcb;
                q0->rcb->ccb = rxp->cq.ccb;
                if (q1) {
                        rxp->cq.ccb->rcb[1] = q1->rcb;
                        q1->rcb->ccb = rxp->cq.ccb;
                }
                rxp->cq.ccb->hw_producer_index =
                        (u32 *)rxp->cq.ib.ib_seg_host_addr_kva;
                rxp->cq.ccb->i_dbell = &rxp->cq.ib.door_bell;
                rxp->cq.ccb->intr_type = rxp->cq.ib.intr_type;
                rxp->cq.ccb->intr_vector = rxp->cq.ib.intr_vector;
                rxp->cq.ccb->rx_coalescing_timeo =
                        rxp->cq.ib.coalescing_timeo;
                rxp->cq.ccb->pkt_rate.small_pkt_cnt = 0;
                rxp->cq.ccb->pkt_rate.large_pkt_cnt = 0;
                rxp->cq.ccb->bnad = bna->bnad;
                rxp->cq.ccb->id = i;

                bna_rxp_cqpt_setup(rxp, page_count, PAGE_SIZE,
                        &cqpt_mem[i], &cswqpt_mem[i], &cpage_mem[i]);

                if (rx->ccb_setup_cbfn)
                        rx->ccb_setup_cbfn(bnad, rxp->cq.ccb);
        }

        rx->hds_cfg = rx_cfg->hds_config;

        bna_rxf_init(&rx->rxf, rx, rx_cfg, res_info);

        bfa_fsm_set_state(rx, bna_rx_sm_stopped);

        rx_mod->rid_mask |= BIT(rx->rid);

        return rx;
}

void
bna_rx_destroy(struct bna_rx *rx)
{
        struct bna_rx_mod *rx_mod = &rx->bna->rx_mod;
        struct bna_rxq *q0 = NULL;
        struct bna_rxq *q1 = NULL;
        struct bna_rxp *rxp;
        struct list_head *qe;

        bna_rxf_uninit(&rx->rxf);

        while (!list_empty(&rx->rxp_q)) {
                rxp = list_first_entry(&rx->rxp_q, struct bna_rxp, qe);
                list_del(&rxp->qe);
                GET_RXQS(rxp, q0, q1);
                if (rx->rcb_destroy_cbfn)
                        rx->rcb_destroy_cbfn(rx->bna->bnad, q0->rcb);
                q0->rcb = NULL;
                q0->rxp = NULL;
                q0->rx = NULL;
                bna_rxq_put(rx_mod, q0);

                if (q1) {
                        if (rx->rcb_destroy_cbfn)
                                rx->rcb_destroy_cbfn(rx->bna->bnad, q1->rcb);
                        q1->rcb = NULL;
                        q1->rxp = NULL;
                        q1->rx = NULL;
                        bna_rxq_put(rx_mod, q1);
                }
                rxp->rxq.slr.large = NULL;
                rxp->rxq.slr.small = NULL;

                if (rx->ccb_destroy_cbfn)
                        rx->ccb_destroy_cbfn(rx->bna->bnad, rxp->cq.ccb);
                rxp->cq.ccb = NULL;
                rxp->rx = NULL;
                bna_rxp_put(rx_mod, rxp);
        }

        list_for_each(qe, &rx_mod->rx_active_q)
                if (qe == &rx->qe) {
                        list_del(&rx->qe);
                        break;
                }

        rx_mod->rid_mask &= ~BIT(rx->rid);

        rx->bna = NULL;
        rx->priv = NULL;
        bna_rx_put(rx_mod, rx);
}

void
bna_rx_enable(struct bna_rx *rx)
{
        if (rx->fsm != bna_rx_sm_stopped)
                return;

        rx->rx_flags |= BNA_RX_F_ENABLED;
        if (rx->rx_flags & BNA_RX_F_ENET_STARTED)
                bfa_fsm_send_event(rx, RX_E_START);
}

void
bna_rx_disable(struct bna_rx *rx, enum bna_cleanup_type type,
                void (*cbfn)(void *, struct bna_rx *))
{
        if (type == BNA_SOFT_CLEANUP) {
                /* h/w should not be accessed. Treat we're stopped */
                (*cbfn)(rx->bna->bnad, rx);
        } else {
                rx->stop_cbfn = cbfn;
                rx->stop_cbarg = rx->bna->bnad;

                rx->rx_flags &= ~BNA_RX_F_ENABLED;

                bfa_fsm_send_event(rx, RX_E_STOP);
        }
}

void
bna_rx_cleanup_complete(struct bna_rx *rx)
{
        bfa_fsm_send_event(rx, RX_E_CLEANUP_DONE);
}

void
bna_rx_vlan_strip_enable(struct bna_rx *rx)
{
        struct bna_rxf *rxf = &rx->rxf;

        if (rxf->vlan_strip_status == BNA_STATUS_T_DISABLED) {
                rxf->vlan_strip_status = BNA_STATUS_T_ENABLED;
                rxf->vlan_strip_pending = true;
                bfa_fsm_send_event(rxf, RXF_E_CONFIG);
        }
}

void
bna_rx_vlan_strip_disable(struct bna_rx *rx)
{
        struct bna_rxf *rxf = &rx->rxf;

        if (rxf->vlan_strip_status != BNA_STATUS_T_DISABLED) {
                rxf->vlan_strip_status = BNA_STATUS_T_DISABLED;
                rxf->vlan_strip_pending = true;
                bfa_fsm_send_event(rxf, RXF_E_CONFIG);
        }
}

enum bna_cb_status
bna_rx_mode_set(struct bna_rx *rx, enum bna_rxmode new_mode,
                enum bna_rxmode bitmask)
{
        struct bna_rxf *rxf = &rx->rxf;
        int need_hw_config = 0;

        /* Error checks */

        if (is_promisc_enable(new_mode, bitmask)) {
                /* If promisc mode is already enabled elsewhere in the system */
                if ((rx->bna->promisc_rid != BFI_INVALID_RID) &&
                        (rx->bna->promisc_rid != rxf->rx->rid))
                        goto err_return;

                /* If default mode is already enabled in the system */
                if (rx->bna->default_mode_rid != BFI_INVALID_RID)
                        goto err_return;

                /* Trying to enable promiscuous and default mode together */
                if (is_default_enable(new_mode, bitmask))
                        goto err_return;
        }

        if (is_default_enable(new_mode, bitmask)) {
                /* If default mode is already enabled elsewhere in the system */
                if ((rx->bna->default_mode_rid != BFI_INVALID_RID) &&
                        (rx->bna->default_mode_rid != rxf->rx->rid)) {
                                goto err_return;
                }

                /* If promiscuous mode is already enabled in the system */
                if (rx->bna->promisc_rid != BFI_INVALID_RID)
                        goto err_return;
        }

        /* Process the commands */

        if (is_promisc_enable(new_mode, bitmask)) {
                if (bna_rxf_promisc_enable(rxf))
                        need_hw_config = 1;
        } else if (is_promisc_disable(new_mode, bitmask)) {
                if (bna_rxf_promisc_disable(rxf))
                        need_hw_config = 1;
        }

        if (is_allmulti_enable(new_mode, bitmask)) {
                if (bna_rxf_allmulti_enable(rxf))
                        need_hw_config = 1;
        } else if (is_allmulti_disable(new_mode, bitmask)) {
                if (bna_rxf_allmulti_disable(rxf))
                        need_hw_config = 1;
        }

        /* Trigger h/w if needed */

        if (need_hw_config) {
                rxf->cam_fltr_cbfn = NULL;
                rxf->cam_fltr_cbarg = rx->bna->bnad;
                bfa_fsm_send_event(rxf, RXF_E_CONFIG);
        }

        return BNA_CB_SUCCESS;

err_return:
        return BNA_CB_FAIL;
}

void
bna_rx_vlanfilter_enable(struct bna_rx *rx)
{
        struct bna_rxf *rxf = &rx->rxf;

        if (rxf->vlan_filter_status == BNA_STATUS_T_DISABLED) {
                rxf->vlan_filter_status = BNA_STATUS_T_ENABLED;
                rxf->vlan_pending_bitmask = (u8)BFI_VLAN_BMASK_ALL;
                bfa_fsm_send_event(rxf, RXF_E_CONFIG);
        }
}

void
bna_rx_coalescing_timeo_set(struct bna_rx *rx, int coalescing_timeo)
{
        struct bna_rxp *rxp;

        list_for_each_entry(rxp, &rx->rxp_q, qe) {
                rxp->cq.ccb->rx_coalescing_timeo = coalescing_timeo;
                bna_ib_coalescing_timeo_set(&rxp->cq.ib, coalescing_timeo);
        }
}

void
bna_rx_dim_reconfig(struct bna *bna, const u32 vector[][BNA_BIAS_T_MAX])
{
        int i, j;

        for (i = 0; i < BNA_LOAD_T_MAX; i++)
                for (j = 0; j < BNA_BIAS_T_MAX; j++)
                        bna->rx_mod.dim_vector[i][j] = vector[i][j];
}

void
bna_rx_dim_update(struct bna_ccb *ccb)
{
        struct bna *bna = ccb->cq->rx->bna;
        u32 load, bias;
        u32 pkt_rt, small_rt, large_rt;
        u8 coalescing_timeo;

        if ((ccb->pkt_rate.small_pkt_cnt == 0) &&
                (ccb->pkt_rate.large_pkt_cnt == 0))
                return;

        /* Arrive at preconfigured coalescing timeo value based on pkt rate */

        small_rt = ccb->pkt_rate.small_pkt_cnt;
        large_rt = ccb->pkt_rate.large_pkt_cnt;

        pkt_rt = small_rt + large_rt;

        if (pkt_rt < BNA_PKT_RATE_10K)
                load = BNA_LOAD_T_LOW_4;
        else if (pkt_rt < BNA_PKT_RATE_20K)
                load = BNA_LOAD_T_LOW_3;
        else if (pkt_rt < BNA_PKT_RATE_30K)
                load = BNA_LOAD_T_LOW_2;
        else if (pkt_rt < BNA_PKT_RATE_40K)
                load = BNA_LOAD_T_LOW_1;
        else if (pkt_rt < BNA_PKT_RATE_50K)
                load = BNA_LOAD_T_HIGH_1;
        else if (pkt_rt < BNA_PKT_RATE_60K)
                load = BNA_LOAD_T_HIGH_2;
        else if (pkt_rt < BNA_PKT_RATE_80K)
                load = BNA_LOAD_T_HIGH_3;
        else
                load = BNA_LOAD_T_HIGH_4;

        if (small_rt > (large_rt << 1))
                bias = 0;
        else
                bias = 1;

        ccb->pkt_rate.small_pkt_cnt = 0;
        ccb->pkt_rate.large_pkt_cnt = 0;

        coalescing_timeo = bna->rx_mod.dim_vector[load][bias];
        ccb->rx_coalescing_timeo = coalescing_timeo;

        /* Set it to IB */
        bna_ib_coalescing_timeo_set(&ccb->cq->ib, coalescing_timeo);
}

const u32 bna_napi_dim_vector[BNA_LOAD_T_MAX][BNA_BIAS_T_MAX] = {
        {12, 12},
        {6, 10},
        {5, 10},
        {4, 8},
        {3, 6},
        {3, 6},
        {2, 4},
        {1, 2},
};

/* TX */

#define call_tx_stop_cbfn(tx)                                           \
do {                                                                    \
        if ((tx)->stop_cbfn) {                                          \
                void (*cbfn)(void *, struct bna_tx *);          \
                void *cbarg;                                            \
                cbfn = (tx)->stop_cbfn;                                 \
                cbarg = (tx)->stop_cbarg;                               \
                (tx)->stop_cbfn = NULL;                                 \
                (tx)->stop_cbarg = NULL;                                \
                cbfn(cbarg, (tx));                                      \
        }                                                               \
} while (0)

static void bna_tx_mod_cb_tx_stopped(void *tx_mod, struct bna_tx *tx);
static void bna_bfi_tx_enet_start(struct bna_tx *tx);
static void bna_tx_enet_stop(struct bna_tx *tx);

enum bna_tx_event {
        TX_E_START                      = 1,
        TX_E_STOP                       = 2,
        TX_E_FAIL                       = 3,
        TX_E_STARTED                    = 4,
        TX_E_STOPPED                    = 5,
        TX_E_CLEANUP_DONE               = 7,
        TX_E_BW_UPDATE                  = 8,
};

bfa_fsm_state_decl(bna_tx, stopped, struct bna_tx, enum bna_tx_event);
bfa_fsm_state_decl(bna_tx, start_wait, struct bna_tx, enum bna_tx_event);
bfa_fsm_state_decl(bna_tx, started, struct bna_tx, enum bna_tx_event);
bfa_fsm_state_decl(bna_tx, stop_wait, struct bna_tx, enum bna_tx_event);
bfa_fsm_state_decl(bna_tx, cleanup_wait, struct bna_tx,
                        enum bna_tx_event);
bfa_fsm_state_decl(bna_tx, prio_stop_wait, struct bna_tx,
                        enum bna_tx_event);
bfa_fsm_state_decl(bna_tx, prio_cleanup_wait, struct bna_tx,
                        enum bna_tx_event);
bfa_fsm_state_decl(bna_tx, failed, struct bna_tx, enum bna_tx_event);
bfa_fsm_state_decl(bna_tx, quiesce_wait, struct bna_tx,
                        enum bna_tx_event);

static void
bna_tx_sm_stopped_entry(struct bna_tx *tx)
{
        call_tx_stop_cbfn(tx);
}

static void
bna_tx_sm_stopped(struct bna_tx *tx, enum bna_tx_event event)
{
        switch (event) {
        case TX_E_START:
                bfa_fsm_set_state(tx, bna_tx_sm_start_wait);
                break;

        case TX_E_STOP:
                call_tx_stop_cbfn(tx);
                break;

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

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

        default:
                bfa_sm_fault(event);
        }
}

static void
bna_tx_sm_start_wait_entry(struct bna_tx *tx)
{
        bna_bfi_tx_enet_start(tx);
}

static void
bna_tx_sm_start_wait(struct bna_tx *tx, enum bna_tx_event event)
{
        switch (event) {
        case TX_E_STOP:
                tx->flags &= ~BNA_TX_F_BW_UPDATED;
                bfa_fsm_set_state(tx, bna_tx_sm_stop_wait);
                break;

        case TX_E_FAIL:
                tx->flags &= ~BNA_TX_F_BW_UPDATED;
                bfa_fsm_set_state(tx, bna_tx_sm_stopped);
                break;

        case TX_E_STARTED:
                if (tx->flags & BNA_TX_F_BW_UPDATED) {
                        tx->flags &= ~BNA_TX_F_BW_UPDATED;
                        bfa_fsm_set_state(tx, bna_tx_sm_prio_stop_wait);
                } else
                        bfa_fsm_set_state(tx, bna_tx_sm_started);
                break;

        case TX_E_BW_UPDATE:
                tx->flags |= BNA_TX_F_BW_UPDATED;
                break;

        default:
                bfa_sm_fault(event);
        }
}

static void
bna_tx_sm_started_entry(struct bna_tx *tx)
{
        struct bna_txq *txq;
        int is_regular = (tx->type == BNA_TX_T_REGULAR);

        list_for_each_entry(txq, &tx->txq_q, qe) {
                txq->tcb->priority = txq->priority;
                /* Start IB */
                bna_ib_start(tx->bna, &txq->ib, is_regular);
        }
        tx->tx_resume_cbfn(tx->bna->bnad, tx);
}

static void
bna_tx_sm_started(struct bna_tx *tx, enum bna_tx_event event)
{
        switch (event) {
        case TX_E_STOP:
                bfa_fsm_set_state(tx, bna_tx_sm_stop_wait);
                tx->tx_stall_cbfn(tx->bna->bnad, tx);
                bna_tx_enet_stop(tx);
                break;

        case TX_E_FAIL:
                bfa_fsm_set_state(tx, bna_tx_sm_failed);
                tx->tx_stall_cbfn(tx->bna->bnad, tx);
                tx->tx_cleanup_cbfn(tx->bna->bnad, tx);
                break;

        case TX_E_BW_UPDATE:
                bfa_fsm_set_state(tx, bna_tx_sm_prio_stop_wait);
                break;

        default:
                bfa_sm_fault(event);
        }
}

static void
bna_tx_sm_stop_wait_entry(struct bna_tx *tx)
{
}

static void
bna_tx_sm_stop_wait(struct bna_tx *tx, enum bna_tx_event event)
{
        switch (event) {
        case TX_E_FAIL:
        case TX_E_STOPPED:
                bfa_fsm_set_state(tx, bna_tx_sm_cleanup_wait);
                tx->tx_cleanup_cbfn(tx->bna->bnad, tx);
                break;

        case TX_E_STARTED:
                /**
                 * We are here due to start_wait -> stop_wait transition on
                 * TX_E_STOP event
                 */
                bna_tx_enet_stop(tx);
                break;

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

        default:
                bfa_sm_fault(event);
        }
}

static void
bna_tx_sm_cleanup_wait_entry(struct bna_tx *tx)
{
}

static void
bna_tx_sm_cleanup_wait(struct bna_tx *tx, enum bna_tx_event event)
{
        switch (event) {
        case TX_E_FAIL:
        case TX_E_BW_UPDATE:
                /* No-op */
                break;

        case TX_E_CLEANUP_DONE:
                bfa_fsm_set_state(tx, bna_tx_sm_stopped);
                break;

        default:
                bfa_sm_fault(event);
        }
}

static void
bna_tx_sm_prio_stop_wait_entry(struct bna_tx *tx)
{
        tx->tx_stall_cbfn(tx->bna->bnad, tx);
        bna_tx_enet_stop(tx);
}

static void
bna_tx_sm_prio_stop_wait(struct bna_tx *tx, enum bna_tx_event event)
{
        switch (event) {
        case TX_E_STOP:
                bfa_fsm_set_state(tx, bna_tx_sm_stop_wait);
                break;

        case TX_E_FAIL:
                bfa_fsm_set_state(tx, bna_tx_sm_failed);
                tx->tx_cleanup_cbfn(tx->bna->bnad, tx);
                break;

        case TX_E_STOPPED:
                bfa_fsm_set_state(tx, bna_tx_sm_prio_cleanup_wait);
                break;

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

        default:
                bfa_sm_fault(event);
        }
}

static void
bna_tx_sm_prio_cleanup_wait_entry(struct bna_tx *tx)
{
        tx->tx_cleanup_cbfn(tx->bna->bnad, tx);
}

static void
bna_tx_sm_prio_cleanup_wait(struct bna_tx *tx, enum bna_tx_event event)
{
        switch (event) {
        case TX_E_STOP:
                bfa_fsm_set_state(tx, bna_tx_sm_cleanup_wait);
                break;

        case TX_E_FAIL:
                bfa_fsm_set_state(tx, bna_tx_sm_failed);
                break;

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

        case TX_E_CLEANUP_DONE:
                bfa_fsm_set_state(tx, bna_tx_sm_start_wait);
                break;

        default:
                bfa_sm_fault(event);
        }
}

static void
bna_tx_sm_failed_entry(struct bna_tx *tx)
{
}

static void
bna_tx_sm_failed(struct bna_tx *tx, enum bna_tx_event event)
{
        switch (event) {
        case TX_E_START:
                bfa_fsm_set_state(tx, bna_tx_sm_quiesce_wait);
                break;

        case TX_E_STOP:
                bfa_fsm_set_state(tx, bna_tx_sm_cleanup_wait);
                break;

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

        case TX_E_CLEANUP_DONE:
                bfa_fsm_set_state(tx, bna_tx_sm_stopped);
                break;

        default:
                bfa_sm_fault(event);
        }
}

static void
bna_tx_sm_quiesce_wait_entry(struct bna_tx *tx)
{
}

static void
bna_tx_sm_quiesce_wait(struct bna_tx *tx, enum bna_tx_event event)
{
        switch (event) {
        case TX_E_STOP:
                bfa_fsm_set_state(tx, bna_tx_sm_cleanup_wait);
                break;

        case TX_E_FAIL:
                bfa_fsm_set_state(tx, bna_tx_sm_failed);
                break;

        case TX_E_CLEANUP_DONE:
                bfa_fsm_set_state(tx, bna_tx_sm_start_wait);
                break;

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

        default:
                bfa_sm_fault(event);
        }
}

static void
bna_bfi_tx_enet_start(struct bna_tx *tx)
{
        struct bfi_enet_tx_cfg_req *cfg_req = &tx->bfi_enet_cmd.cfg_req;
        struct bna_txq *txq = NULL;
        int i;

        bfi_msgq_mhdr_set(cfg_req->mh, BFI_MC_ENET,
                BFI_ENET_H2I_TX_CFG_SET_REQ, 0, tx->rid);
        cfg_req->mh.num_entries = htons(
                bfi_msgq_num_cmd_entries(sizeof(struct bfi_enet_tx_cfg_req)));

        cfg_req->num_queues = tx->num_txq;
        for (i = 0; i < tx->num_txq; i++) {
                txq = txq ? list_next_entry(txq, qe)
                        : list_first_entry(&tx->txq_q, struct bna_txq, qe);
                bfi_enet_datapath_q_init(&cfg_req->q_cfg[i].q.q, &txq->qpt);
                cfg_req->q_cfg[i].q.priority = txq->priority;

                cfg_req->q_cfg[i].ib.index_addr.a32.addr_lo =
                        txq->ib.ib_seg_host_addr.lsb;
                cfg_req->q_cfg[i].ib.index_addr.a32.addr_hi =
                        txq->ib.ib_seg_host_addr.msb;
                cfg_req->q_cfg[i].ib.intr.msix_index =
                        htons((u16)txq->ib.intr_vector);
        }

        cfg_req->ib_cfg.int_pkt_dma = BNA_STATUS_T_ENABLED;
        cfg_req->ib_cfg.int_enabled = BNA_STATUS_T_ENABLED;
        cfg_req->ib_cfg.int_pkt_enabled = BNA_STATUS_T_DISABLED;
        cfg_req->ib_cfg.continuous_coalescing = BNA_STATUS_T_ENABLED;
        cfg_req->ib_cfg.msix = (txq->ib.intr_type == BNA_INTR_T_MSIX)
                                ? BNA_STATUS_T_ENABLED : BNA_STATUS_T_DISABLED;
        cfg_req->ib_cfg.coalescing_timeout =
                        htonl((u32)txq->ib.coalescing_timeo);
        cfg_req->ib_cfg.inter_pkt_timeout =
                        htonl((u32)txq->ib.interpkt_timeo);
        cfg_req->ib_cfg.inter_pkt_count = (u8)txq->ib.interpkt_count;

        cfg_req->tx_cfg.vlan_mode = BFI_ENET_TX_VLAN_WI;
        cfg_req->tx_cfg.vlan_id = htons((u16)tx->txf_vlan_id);
        cfg_req->tx_cfg.admit_tagged_frame = BNA_STATUS_T_ENABLED;
        cfg_req->tx_cfg.apply_vlan_filter = BNA_STATUS_T_DISABLED;

        bfa_msgq_cmd_set(&tx->msgq_cmd, NULL, NULL,
                sizeof(struct bfi_enet_tx_cfg_req), &cfg_req->mh);
        bfa_msgq_cmd_post(&tx->bna->msgq, &tx->msgq_cmd);
}

static void
bna_bfi_tx_enet_stop(struct bna_tx *tx)
{
        struct bfi_enet_req *req = &tx->bfi_enet_cmd.req;

        bfi_msgq_mhdr_set(req->mh, BFI_MC_ENET,
                BFI_ENET_H2I_TX_CFG_CLR_REQ, 0, tx->rid);
        req->mh.num_entries = htons(
                bfi_msgq_num_cmd_entries(sizeof(struct bfi_enet_req)));
        bfa_msgq_cmd_set(&tx->msgq_cmd, NULL, NULL, sizeof(struct bfi_enet_req),
                &req->mh);
        bfa_msgq_cmd_post(&tx->bna->msgq, &tx->msgq_cmd);
}

static void
bna_tx_enet_stop(struct bna_tx *tx)
{
        struct bna_txq *txq;

        /* Stop IB */
        list_for_each_entry(txq, &tx->txq_q, qe)
                bna_ib_stop(tx->bna, &txq->ib);

        bna_bfi_tx_enet_stop(tx);
}

static void
bna_txq_qpt_setup(struct bna_txq *txq, int page_count, int page_size,
                struct bna_mem_descr *qpt_mem,
                struct bna_mem_descr *swqpt_mem,
                struct bna_mem_descr *page_mem)
{
        u8 *kva;
        u64 dma;
        struct bna_dma_addr bna_dma;
        int i;

        txq->qpt.hw_qpt_ptr.lsb = qpt_mem->dma.lsb;
        txq->qpt.hw_qpt_ptr.msb = qpt_mem->dma.msb;
        txq->qpt.kv_qpt_ptr = qpt_mem->kva;
        txq->qpt.page_count = page_count;
        txq->qpt.page_size = page_size;

        txq->tcb->sw_qpt = (void **) swqpt_mem->kva;
        txq->tcb->sw_q = page_mem->kva;

        kva = page_mem->kva;
        BNA_GET_DMA_ADDR(&page_mem->dma, dma);

        for (i = 0; i < page_count; i++) {
                txq->tcb->sw_qpt[i] = kva;
                kva += PAGE_SIZE;

                BNA_SET_DMA_ADDR(dma, &bna_dma);
                ((struct bna_dma_addr *)txq->qpt.kv_qpt_ptr)[i].lsb =
                        bna_dma.lsb;
                ((struct bna_dma_addr *)txq->qpt.kv_qpt_ptr)[i].msb =
                        bna_dma.msb;
                dma += PAGE_SIZE;
        }
}

static struct bna_tx *
bna_tx_get(struct bna_tx_mod *tx_mod, enum bna_tx_type type)
{
        struct bna_tx *tx = NULL;

        if (list_empty(&tx_mod->tx_free_q))
                return NULL;
        if (type == BNA_TX_T_REGULAR)
                tx = list_first_entry(&tx_mod->tx_free_q, struct bna_tx, qe);
        else
                tx = list_last_entry(&tx_mod->tx_free_q, struct bna_tx, qe);
        list_del(&tx->qe);
        tx->type = type;

        return tx;
}

static void
bna_tx_free(struct bna_tx *tx)
{
        struct bna_tx_mod *tx_mod = &tx->bna->tx_mod;
        struct bna_txq *txq;
        struct list_head *qe;

        while (!list_empty(&tx->txq_q)) {
                txq = list_first_entry(&tx->txq_q, struct bna_txq, qe);
                txq->tcb = NULL;
                txq->tx = NULL;
                list_move_tail(&txq->qe, &tx_mod->txq_free_q);
        }

        list_for_each(qe, &tx_mod->tx_active_q) {
                if (qe == &tx->qe) {
                        list_del(&tx->qe);
                        break;
                }
        }

        tx->bna = NULL;
        tx->priv = NULL;

        list_for_each_prev(qe, &tx_mod->tx_free_q)
                if (((struct bna_tx *)qe)->rid < tx->rid)
                        break;

        list_add(&tx->qe, qe);
}

static void
bna_tx_start(struct bna_tx *tx)
{
        tx->flags |= BNA_TX_F_ENET_STARTED;
        if (tx->flags & BNA_TX_F_ENABLED)
                bfa_fsm_send_event(tx, TX_E_START);
}

static void
bna_tx_stop(struct bna_tx *tx)
{
        tx->stop_cbfn = bna_tx_mod_cb_tx_stopped;
        tx->stop_cbarg = &tx->bna->tx_mod;

        tx->flags &= ~BNA_TX_F_ENET_STARTED;
        bfa_fsm_send_event(tx, TX_E_STOP);
}

static void
bna_tx_fail(struct bna_tx *tx)
{
        tx->flags &= ~BNA_TX_F_ENET_STARTED;
        bfa_fsm_send_event(tx, TX_E_FAIL);
}

void
bna_bfi_tx_enet_start_rsp(struct bna_tx *tx, struct bfi_msgq_mhdr *msghdr)
{
        struct bfi_enet_tx_cfg_rsp *cfg_rsp = &tx->bfi_enet_cmd.cfg_rsp;
        struct bna_txq *txq = NULL;
        int i;

        bfa_msgq_rsp_copy(&tx->bna->msgq, (u8 *)cfg_rsp,
                sizeof(struct bfi_enet_tx_cfg_rsp));

        tx->hw_id = cfg_rsp->hw_id;

        for (i = 0, txq = list_first_entry(&tx->txq_q, struct bna_txq, qe);
             i < tx->num_txq; i++, txq = list_next_entry(txq, qe)) {
                /* Setup doorbells */
                txq->tcb->i_dbell->doorbell_addr =
                        tx->bna->pcidev.pci_bar_kva
                        + ntohl(cfg_rsp->q_handles[i].i_dbell);
                txq->tcb->q_dbell =
                        tx->bna->pcidev.pci_bar_kva
                        + ntohl(cfg_rsp->q_handles[i].q_dbell);
                txq->hw_id = cfg_rsp->q_handles[i].hw_qid;

                /* Initialize producer/consumer indexes */
                (*txq->tcb->hw_consumer_index) = 0;
                txq->tcb->producer_index = txq->tcb->consumer_index = 0;
        }

        bfa_fsm_send_event(tx, TX_E_STARTED);
}

void
bna_bfi_tx_enet_stop_rsp(struct bna_tx *tx, struct bfi_msgq_mhdr *msghdr)
{
        bfa_fsm_send_event(tx, TX_E_STOPPED);
}

void
bna_bfi_bw_update_aen(struct bna_tx_mod *tx_mod)
{
        struct bna_tx *tx;

        list_for_each_entry(tx, &tx_mod->tx_active_q, qe)
                bfa_fsm_send_event(tx, TX_E_BW_UPDATE);
}

void
bna_tx_res_req(int num_txq, int txq_depth, struct bna_res_info *res_info)
{
        u32 q_size;
        u32 page_count;
        struct bna_mem_info *mem_info;

        res_info[BNA_TX_RES_MEM_T_TCB].res_type = BNA_RES_T_MEM;
        mem_info = &res_info[BNA_TX_RES_MEM_T_TCB].res_u.mem_info;
        mem_info->mem_type = BNA_MEM_T_KVA;
        mem_info->len = sizeof(struct bna_tcb);
        mem_info->num = num_txq;

        q_size = txq_depth * BFI_TXQ_WI_SIZE;
        q_size = ALIGN(q_size, PAGE_SIZE);
        page_count = q_size >> PAGE_SHIFT;

        res_info[BNA_TX_RES_MEM_T_QPT].res_type = BNA_RES_T_MEM;
        mem_info = &res_info[BNA_TX_RES_MEM_T_QPT].res_u.mem_info;
        mem_info->mem_type = BNA_MEM_T_DMA;
        mem_info->len = page_count * sizeof(struct bna_dma_addr);
        mem_info->num = num_txq;

        res_info[BNA_TX_RES_MEM_T_SWQPT].res_type = BNA_RES_T_MEM;
        mem_info = &res_info[BNA_TX_RES_MEM_T_SWQPT].res_u.mem_info;
        mem_info->mem_type = BNA_MEM_T_KVA;
        mem_info->len = page_count * sizeof(void *);
        mem_info->num = num_txq;

        res_info[BNA_TX_RES_MEM_T_PAGE].res_type = BNA_RES_T_MEM;
        mem_info = &res_info[BNA_TX_RES_MEM_T_PAGE].res_u.mem_info;
        mem_info->mem_type = BNA_MEM_T_DMA;
        mem_info->len = PAGE_SIZE * page_count;
        mem_info->num = num_txq;

        res_info[BNA_TX_RES_MEM_T_IBIDX].res_type = BNA_RES_T_MEM;
        mem_info = &res_info[BNA_TX_RES_MEM_T_IBIDX].res_u.mem_info;
        mem_info->mem_type = BNA_MEM_T_DMA;
        mem_info->len = BFI_IBIDX_SIZE;
        mem_info->num = num_txq;

        res_info[BNA_TX_RES_INTR_T_TXCMPL].res_type = BNA_RES_T_INTR;
        res_info[BNA_TX_RES_INTR_T_TXCMPL].res_u.intr_info.intr_type =
                        BNA_INTR_T_MSIX;
        res_info[BNA_TX_RES_INTR_T_TXCMPL].res_u.intr_info.num = num_txq;
}

struct bna_tx *
bna_tx_create(struct bna *bna, struct bnad *bnad,
                struct bna_tx_config *tx_cfg,
                const struct bna_tx_event_cbfn *tx_cbfn,
                struct bna_res_info *res_info, void *priv)
{
        struct bna_intr_info *intr_info;
        struct bna_tx_mod *tx_mod = &bna->tx_mod;
        struct bna_tx *tx;
        struct bna_txq *txq;
        int page_count;
        int i;

        intr_info = &res_info[BNA_TX_RES_INTR_T_TXCMPL].res_u.intr_info;
        page_count = (res_info[BNA_TX_RES_MEM_T_PAGE].res_u.mem_info.len) /
                                        PAGE_SIZE;

        /**
         * Get resources
         */

        if ((intr_info->num != 1) && (intr_info->num != tx_cfg->num_txq))
                return NULL;

        /* Tx */

        tx = bna_tx_get(tx_mod, tx_cfg->tx_type);
        if (!tx)
                return NULL;
        tx->bna = bna;
        tx->priv = priv;

        /* TxQs */

        INIT_LIST_HEAD(&tx->txq_q);
        for (i = 0; i < tx_cfg->num_txq; i++) {
                if (list_empty(&tx_mod->txq_free_q))
                        goto err_return;

                txq = list_first_entry(&tx_mod->txq_free_q, struct bna_txq, qe);
                list_move_tail(&txq->qe, &tx->txq_q);
                txq->tx = tx;
        }

        /*
         * Initialize
         */

        /* Tx */

        tx->tcb_setup_cbfn = tx_cbfn->tcb_setup_cbfn;
        tx->tcb_destroy_cbfn = tx_cbfn->tcb_destroy_cbfn;
        /* Following callbacks are mandatory */
        tx->tx_stall_cbfn = tx_cbfn->tx_stall_cbfn;
        tx->tx_resume_cbfn = tx_cbfn->tx_resume_cbfn;
        tx->tx_cleanup_cbfn = tx_cbfn->tx_cleanup_cbfn;

        list_add_tail(&tx->qe, &tx_mod->tx_active_q);

        tx->num_txq = tx_cfg->num_txq;

        tx->flags = 0;
        if (tx->bna->tx_mod.flags & BNA_TX_MOD_F_ENET_STARTED) {
                switch (tx->type) {
                case BNA_TX_T_REGULAR:
                        if (!(tx->bna->tx_mod.flags &
                                BNA_TX_MOD_F_ENET_LOOPBACK))
                                tx->flags |= BNA_TX_F_ENET_STARTED;
                        break;
                case BNA_TX_T_LOOPBACK:
                        if (tx->bna->tx_mod.flags & BNA_TX_MOD_F_ENET_LOOPBACK)
                                tx->flags |= BNA_TX_F_ENET_STARTED;
                        break;
                }
        }

        /* TxQ */

        i = 0;
        list_for_each_entry(txq, &tx->txq_q, qe) {
                txq->tcb = (struct bna_tcb *)
                res_info[BNA_TX_RES_MEM_T_TCB].res_u.mem_info.mdl[i].kva;
                txq->tx_packets = 0;
                txq->tx_bytes = 0;

                /* IB */
                txq->ib.ib_seg_host_addr.lsb =
                res_info[BNA_TX_RES_MEM_T_IBIDX].res_u.mem_info.mdl[i].dma.lsb;
                txq->ib.ib_seg_host_addr.msb =
                res_info[BNA_TX_RES_MEM_T_IBIDX].res_u.mem_info.mdl[i].dma.msb;
                txq->ib.ib_seg_host_addr_kva =
                res_info[BNA_TX_RES_MEM_T_IBIDX].res_u.mem_info.mdl[i].kva;
                txq->ib.intr_type = intr_info->intr_type;
                txq->ib.intr_vector = (intr_info->num == 1) ?
                                        intr_info->idl[0].vector :
                                        intr_info->idl[i].vector;
                if (intr_info->intr_type == BNA_INTR_T_INTX)
                        txq->ib.intr_vector = BIT(txq->ib.intr_vector);
                txq->ib.coalescing_timeo = tx_cfg->coalescing_timeo;
                txq->ib.interpkt_timeo = BFI_TX_INTERPKT_TIMEO;
                txq->ib.interpkt_count = BFI_TX_INTERPKT_COUNT;

                /* TCB */

                txq->tcb->q_depth = tx_cfg->txq_depth;
                txq->tcb->unmap_q = (void *)
                res_info[BNA_TX_RES_MEM_T_UNMAPQ].res_u.mem_info.mdl[i].kva;
                txq->tcb->hw_consumer_index =
                        (u32 *)txq->ib.ib_seg_host_addr_kva;
                txq->tcb->i_dbell = &txq->ib.door_bell;
                txq->tcb->intr_type = txq->ib.intr_type;
                txq->tcb->intr_vector = txq->ib.intr_vector;
                txq->tcb->txq = txq;
                txq->tcb->bnad = bnad;
                txq->tcb->id = i;

                /* QPT, SWQPT, Pages */
                bna_txq_qpt_setup(txq, page_count, PAGE_SIZE,
                        &res_info[BNA_TX_RES_MEM_T_QPT].res_u.mem_info.mdl[i],
                        &res_info[BNA_TX_RES_MEM_T_SWQPT].res_u.mem_info.mdl[i],
                        &res_info[BNA_TX_RES_MEM_T_PAGE].
                                  res_u.mem_info.mdl[i]);

                /* Callback to bnad for setting up TCB */
                if (tx->tcb_setup_cbfn)
                        (tx->tcb_setup_cbfn)(bna->bnad, txq->tcb);

                if (tx_cfg->num_txq == BFI_TX_MAX_PRIO)
                        txq->priority = txq->tcb->id;
                else
                        txq->priority = tx_mod->default_prio;

                i++;
        }

        tx->txf_vlan_id = 0;

        bfa_fsm_set_state(tx, bna_tx_sm_stopped);

        tx_mod->rid_mask |= BIT(tx->rid);

        return tx;

err_return:
        bna_tx_free(tx);
        return NULL;
}

void
bna_tx_destroy(struct bna_tx *tx)
{
        struct bna_txq *txq;

        list_for_each_entry(txq, &tx->txq_q, qe)
                if (tx->tcb_destroy_cbfn)
                        (tx->tcb_destroy_cbfn)(tx->bna->bnad, txq->tcb);

        tx->bna->tx_mod.rid_mask &= ~BIT(tx->rid);
        bna_tx_free(tx);
}

void
bna_tx_enable(struct bna_tx *tx)
{
        if (tx->fsm != bna_tx_sm_stopped)
                return;

        tx->flags |= BNA_TX_F_ENABLED;

        if (tx->flags & BNA_TX_F_ENET_STARTED)
                bfa_fsm_send_event(tx, TX_E_START);
}

void
bna_tx_disable(struct bna_tx *tx, enum bna_cleanup_type type,
                void (*cbfn)(void *, struct bna_tx *))
{
        if (type == BNA_SOFT_CLEANUP) {
                (*cbfn)(tx->bna->bnad, tx);
                return;
        }

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

        tx->flags &= ~BNA_TX_F_ENABLED;

        bfa_fsm_send_event(tx, TX_E_STOP);
}

void
bna_tx_cleanup_complete(struct bna_tx *tx)
{
        bfa_fsm_send_event(tx, TX_E_CLEANUP_DONE);
}

static void
bna_tx_mod_cb_tx_stopped(void *arg, struct bna_tx *tx)
{
        struct bna_tx_mod *tx_mod = (struct bna_tx_mod *)arg;

        bfa_wc_down(&tx_mod->tx_stop_wc);
}

static void
bna_tx_mod_cb_tx_stopped_all(void *arg)
{
        struct bna_tx_mod *tx_mod = (struct bna_tx_mod *)arg;

        if (tx_mod->stop_cbfn)
                tx_mod->stop_cbfn(&tx_mod->bna->enet);
        tx_mod->stop_cbfn = NULL;
}

void
bna_tx_mod_init(struct bna_tx_mod *tx_mod, struct bna *bna,
                struct bna_res_info *res_info)
{
        int i;

        tx_mod->bna = bna;
        tx_mod->flags = 0;

        tx_mod->tx = (struct bna_tx *)
                res_info[BNA_MOD_RES_MEM_T_TX_ARRAY].res_u.mem_info.mdl[0].kva;
        tx_mod->txq = (struct bna_txq *)
                res_info[BNA_MOD_RES_MEM_T_TXQ_ARRAY].res_u.mem_info.mdl[0].kva;

        INIT_LIST_HEAD(&tx_mod->tx_free_q);
        INIT_LIST_HEAD(&tx_mod->tx_active_q);

        INIT_LIST_HEAD(&tx_mod->txq_free_q);

        for (i = 0; i < bna->ioceth.attr.num_txq; i++) {
                tx_mod->tx[i].rid = i;
                list_add_tail(&tx_mod->tx[i].qe, &tx_mod->tx_free_q);
                list_add_tail(&tx_mod->txq[i].qe, &tx_mod->txq_free_q);
        }

        tx_mod->prio_map = BFI_TX_PRIO_MAP_ALL;
        tx_mod->default_prio = 0;
        tx_mod->iscsi_over_cee = BNA_STATUS_T_DISABLED;
        tx_mod->iscsi_prio = -1;
}

void
bna_tx_mod_uninit(struct bna_tx_mod *tx_mod)
{
        tx_mod->bna = NULL;
}

void
bna_tx_mod_start(struct bna_tx_mod *tx_mod, enum bna_tx_type type)
{
        struct bna_tx *tx;

        tx_mod->flags |= BNA_TX_MOD_F_ENET_STARTED;
        if (type == BNA_TX_T_LOOPBACK)
                tx_mod->flags |= BNA_TX_MOD_F_ENET_LOOPBACK;

        list_for_each_entry(tx, &tx_mod->tx_active_q, qe)
                if (tx->type == type)
                        bna_tx_start(tx);
}

void
bna_tx_mod_stop(struct bna_tx_mod *tx_mod, enum bna_tx_type type)
{
        struct bna_tx *tx;

        tx_mod->flags &= ~BNA_TX_MOD_F_ENET_STARTED;
        tx_mod->flags &= ~BNA_TX_MOD_F_ENET_LOOPBACK;

        tx_mod->stop_cbfn = bna_enet_cb_tx_stopped;

        bfa_wc_init(&tx_mod->tx_stop_wc, bna_tx_mod_cb_tx_stopped_all, tx_mod);

        list_for_each_entry(tx, &tx_mod->tx_active_q, qe)
                if (tx->type == type) {
                        bfa_wc_up(&tx_mod->tx_stop_wc);
                        bna_tx_stop(tx);
                }

        bfa_wc_wait(&tx_mod->tx_stop_wc);
}

void
bna_tx_mod_fail(struct bna_tx_mod *tx_mod)
{
        struct bna_tx *tx;

        tx_mod->flags &= ~BNA_TX_MOD_F_ENET_STARTED;
        tx_mod->flags &= ~BNA_TX_MOD_F_ENET_LOOPBACK;

        list_for_each_entry(tx, &tx_mod->tx_active_q, qe)
                bna_tx_fail(tx);
}

void
bna_tx_coalescing_timeo_set(struct bna_tx *tx, int coalescing_timeo)
{
        struct bna_txq *txq;

        list_for_each_entry(txq, &tx->txq_q, qe)
                bna_ib_coalescing_timeo_set(&txq->ib, coalescing_timeo);
}