bna_tx_rx.c

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/*
 * Linux network driver for Brocade Converged Network Adapter.
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License (GPL) Version 2 as
 * published by the Free Software Foundation
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * General Public License for more details.
  */
/*
 * Copyright (c) 2005-2011 Brocade Communications Systems, Inc.
 * All rights reserved
 * www.brocade.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_fltr_clear(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, paused, 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, fltr_clr_wait, 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:
        if (rxf->flags & BNA_RXF_F_PAUSED) {
            bfa_fsm_set_state(rxf, bna_rxf_sm_paused);
            call_rxf_start_cbfn(rxf);
        } else
            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;

    case RXF_E_PAUSE:
        rxf->flags |= BNA_RXF_F_PAUSED;
        call_rxf_pause_cbfn(rxf);
        break;

    case RXF_E_RESUME:
        rxf->flags &= ~BNA_RXF_F_PAUSED;
        call_rxf_resume_cbfn(rxf);
        break;

    default:
        bfa_sm_fault(event);
    }
}

static void
bna_rxf_sm_paused_entry(struct bna_rxf *rxf)
{
    call_rxf_pause_cbfn(rxf);
}

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

    case RXF_E_CONFIG:
        call_rxf_cam_fltr_cbfn(rxf);
        break;

    case RXF_E_RESUME:
        rxf->flags &= ~BNA_RXF_F_PAUSED;
        bfa_fsm_set_state(rxf, bna_rxf_sm_cfg_wait);
        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);
        call_rxf_resume_cbfn(rxf);
        bfa_fsm_set_state(rxf, bna_rxf_sm_stopped);
        break;

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

    case RXF_E_PAUSE:
        rxf->flags |= BNA_RXF_F_PAUSED;
        call_rxf_start_cbfn(rxf);
        bfa_fsm_set_state(rxf, bna_rxf_sm_fltr_clr_wait);
        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);
    call_rxf_resume_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;

    case RXF_E_PAUSE:
        rxf->flags |= BNA_RXF_F_PAUSED;
        if (!bna_rxf_fltr_clear(rxf))
            bfa_fsm_set_state(rxf, bna_rxf_sm_paused);
        else
            bfa_fsm_set_state(rxf, bna_rxf_sm_fltr_clr_wait);
        break;

    default:
        bfa_sm_fault(event);
    }
}

static void
bna_rxf_sm_fltr_clr_wait_entry(struct bna_rxf *rxf)
{
}

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

    case RXF_E_FW_RESP:
        if (!bna_rxf_fltr_clear(rxf)) {
            /* No more pending CAM entries to clear */
            bfa_fsm_set_state(rxf, bna_rxf_sm_paused);
        }
        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)));
    memcpy(&req->mac_addr, &mac->addr, sizeof(mac_t));
    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)));
    memcpy(&req->mac_addr, &mac->addr, sizeof(mac_t));
    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, u8 *mac_addr)
{
    struct bna_mac *mac;
    struct list_head *qe;

    list_for_each(qe, &rxf->mcast_active_q) {
        mac = (struct bna_mac *)qe;
        if (BNA_MAC_IS_EQUAL(&mac->addr, mac_addr))
            return mac;
    }

    list_for_each(qe, &rxf->mcast_pending_del_q) {
        mac = (struct bna_mac *)qe;
        if (BNA_MAC_IS_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;
    struct list_head *qe;

    list_for_each(qe, &rxf->mcast_handle_q) {
        mchandle = (struct bna_mcam_handle *)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);
        bfa_q_qe_init(&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;
    struct list_head *qe;
    int ret;

    /* Delete multicast entries previousely added */
    while (!list_empty(&rxf->mcast_pending_del_q)) {
        bfa_q_deq(&rxf->mcast_pending_del_q, &qe);
        bfa_q_qe_init(qe);
        mac = (struct bna_mac *)qe;
        ret = bna_rxf_mcast_del(rxf, mac, BNA_HARD_CLEANUP);
        bna_mcam_mod_mac_put(&rxf->rx->bna->mcam_mod, mac);
        if (ret)
            return ret;
    }

    /* Add multicast entries */
    if (!list_empty(&rxf->mcast_pending_add_q)) {
        bfa_q_deq(&rxf->mcast_pending_add_q, &qe);
        bfa_q_qe_init(qe);
        mac = (struct bna_mac *)qe;
        list_add_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 &= ~(1 << 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 list_head *qe;
    struct bna_mac *mac;
    int ret;

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

    /* Move active mcast entries to pending_add_q */
    while (!list_empty(&rxf->mcast_active_q)) {
        bfa_q_deq(&rxf->mcast_active_q, &qe);
        bfa_q_qe_init(qe);
        list_add_tail(qe, &rxf->mcast_pending_add_q);
        mac = (struct bna_mac *)qe;
        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;
}

/* Only software reset */
static int
bna_rxf_fltr_clear(struct bna_rxf *rxf)
{
    if (bna_rxf_ucast_cfg_reset(rxf, BNA_HARD_CLEANUP))
        return 1;

    if (bna_rxf_mcast_cfg_reset(rxf, BNA_HARD_CLEANUP))
        return 1;

    if (bna_rxf_promisc_cfg_reset(rxf, BNA_HARD_CLEANUP))
        return 1;

    if (bna_rxf_allmulti_cfg_reset(rxf, BNA_HARD_CLEANUP))
        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;
    struct list_head *qe;
    int offset = 0;

    rxf->rit_size = rit_size;
    list_for_each(qe, &rx->rxp_q) {
        rxp = (struct bna_rxp *)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_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 =
        (struct bfi_enet_mcast_add_rsp *)msghdr;

    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);

    if (q_config->paused)
        rxf->flags |= BNA_RXF_F_PAUSED;

    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)) {
        bfa_q_deq(&rxf->ucast_pending_add_q, &mac);
        bfa_q_qe_init(&mac->qe);
        bna_ucam_mod_mac_put(&rxf->rx->bna->ucam_mod, mac);
    }

    if (rxf->ucast_pending_mac) {
        bfa_q_qe_init(&rxf->ucast_pending_mac->qe);
        bna_ucam_mod_mac_put(&rxf->rx->bna->ucam_mod,
            rxf->ucast_pending_mac);
        rxf->ucast_pending_mac = NULL;
    }

    while (!list_empty(&rxf->mcast_pending_add_q)) {
        bfa_q_deq(&rxf->mcast_pending_add_q, &mac);
        bfa_q_qe_init(&mac->qe);
        bna_mcam_mod_mac_put(&rxf->rx->bna->mcam_mod, mac);
    }

    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->flags = 0;

    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, u8 *ucmac,
         void (*cbfn)(struct bnad *, struct bna_rx *))
{
    struct bna_rxf *rxf = &rx->rxf;

    if (rxf->ucast_pending_mac == NULL) {
        rxf->ucast_pending_mac =
                bna_ucam_mod_mac_get(&rxf->rx->bna->ucam_mod);
        if (rxf->ucast_pending_mac == NULL)
            return BNA_CB_UCAST_CAM_FULL;
        bfa_q_qe_init(&rxf->ucast_pending_mac->qe);
    }

    memcpy(rxf->ucast_pending_mac->addr, ucmac, ETH_ALEN);
    rxf->ucast_pending_set = 1;
    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_mcast_add(struct bna_rx *rx, 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_mcam_mod_mac_get(&rxf->rx->bna->mcam_mod);
    if (mac == NULL)
        return BNA_CB_MCAST_LIST_FULL;
    bfa_q_qe_init(&mac->qe);
    memcpy(mac->addr, addr, ETH_ALEN);
    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_mcast_listset(struct bna_rx *rx, int count, u8 *mclist,
             void (*cbfn)(struct bnad *, struct bna_rx *))
{
    struct bna_rxf *rxf = &rx->rxf;
    struct list_head list_head;
    struct list_head *qe;
    u8 *mcaddr;
    struct bna_mac *mac;
    int i;

    /* Allocate nodes */
    INIT_LIST_HEAD(&list_head);
    for (i = 0, mcaddr = mclist; i < count; i++) {
        mac = bna_mcam_mod_mac_get(&rxf->rx->bna->mcam_mod);
        if (mac == NULL)
            goto err_return;
        bfa_q_qe_init(&mac->qe);
        memcpy(mac->addr, mcaddr, ETH_ALEN);
        list_add_tail(&mac->qe, &list_head);

        mcaddr += ETH_ALEN;
    }

    /* Purge the pending_add_q */
    while (!list_empty(&rxf->mcast_pending_add_q)) {
        bfa_q_deq(&rxf->mcast_pending_add_q, &qe);
        bfa_q_qe_init(qe);
        mac = (struct bna_mac *)qe;
        bna_mcam_mod_mac_put(&rxf->rx->bna->mcam_mod, mac);
    }

    /* Schedule active_q entries for deletion */
    while (!list_empty(&rxf->mcast_active_q)) {
        bfa_q_deq(&rxf->mcast_active_q, &qe);
        mac = (struct bna_mac *)qe;
        bfa_q_qe_init(&mac->qe);
        list_add_tail(&mac->qe, &rxf->mcast_pending_del_q);
    }

    /* Add the new entries */
    while (!list_empty(&list_head)) {
        bfa_q_deq(&list_head, &qe);
        mac = (struct bna_mac *)qe;
        bfa_q_qe_init(&mac->qe);
        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;

err_return:
    while (!list_empty(&list_head)) {
        bfa_q_deq(&list_head, &qe);
        mac = (struct bna_mac *)qe;
        bfa_q_qe_init(&mac->qe);
        bna_mcam_mod_mac_put(&rxf->rx->bna->mcam_mod, mac);
    }

    return BNA_CB_MCAST_LIST_FULL;
}

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 = (1 << (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 |= (1 << 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 = (1 << (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 |= (1 << 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;
    struct list_head *qe;

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

    /* Set default unicast MAC */
    if (rxf->ucast_pending_set) {
        rxf->ucast_pending_set = 0;
        memcpy(rxf->ucast_active_mac.addr,
            rxf->ucast_pending_mac->addr, ETH_ALEN);
        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)) {
        bfa_q_deq(&rxf->ucast_pending_add_q, &qe);
        bfa_q_qe_init(qe);
        mac = (struct bna_mac *)qe;
        list_add_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 list_head *qe;
    struct bna_mac *mac;

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

    /* Move active ucast entries to pending_add_q */
    while (!list_empty(&rxf->ucast_active_q)) {
        bfa_q_deq(&rxf->ucast_active_q, &qe);
        bfa_q_qe_init(qe);
        list_add_tail(qe, &rxf->ucast_pending_add_q);
        if (cleanup == BNA_HARD_CLEANUP) {
            mac = (struct bna_mac *)qe;
            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, 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);
}

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_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);
}

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;
    }

}

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

    /* Start IB */
    list_for_each(qe_rxp, &rx->rxp_q) {
        rxp = (struct bna_rxp *)qe_rxp;
        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;
    }
}

void
bna_rx_sm_cleanup_wait_entry(struct bna_rx *rx)
{
}

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;
    struct list_head *rxp_qe;
    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->num_queue_sets = rx->num_paths;
    for (i = 0, rxp_qe = bfa_q_first(&rx->rxp_q);
        i < rx->num_paths;
        i++, rxp_qe = bfa_q_next(rxp_qe)) {
        rxp = (struct bna_rxp *)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);
            /* Fall through */

        case BNA_RXP_SINGLE:
            /* Large/Single RxQ */
            bfi_enet_datapath_q_init(&cfg_req->q_cfg[i].ql.q,
                        &q0->qpt);
            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;
    struct list_head         *qe_rxp;

    /* Stop IB */
    list_for_each(qe_rxp, &rx->rxp_q) {
        rxp = (struct bna_rxp *)qe_rxp;
        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;
    struct list_head    *qe = NULL;

    bfa_q_deq(&rx_mod->rxq_free_q, &qe);
    rx_mod->rxq_free_count--;
    rxq = (struct bna_rxq *)qe;
    bfa_q_qe_init(&rxq->qe);

    return rxq;
}

static void
bna_rxq_put(struct bna_rx_mod *rx_mod, struct bna_rxq *rxq)
{
    bfa_q_qe_init(&rxq->qe);
    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 list_head    *qe = NULL;
    struct bna_rxp *rxp = NULL;

    bfa_q_deq(&rx_mod->rxp_free_q, &qe);
    rx_mod->rxp_free_count--;
    rxp = (struct bna_rxp *)qe;
    bfa_q_qe_init(&rxp->qe);

    return rxp;
}

static void
bna_rxp_put(struct bna_rx_mod *rx_mod, struct bna_rxp *rxp)
{
    bfa_q_qe_init(&rxp->qe);
    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 list_head    *qe = NULL;
    struct bna_rx *rx = NULL;

    if (type == BNA_RX_T_REGULAR) {
        bfa_q_deq(&rx_mod->rx_free_q, &qe);
    } else
        bfa_q_deq_tail(&rx_mod->rx_free_q, &qe);

    rx_mod->rx_free_count--;
    rx = (struct bna_rx *)qe;
    bfa_q_qe_init(&rx->qe);
    list_add_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 *prev_qe = NULL;
    struct list_head *qe;

    bfa_q_qe_init(&rx->qe);

    list_for_each(qe, &rx_mod->rx_free_q) {
        if (((struct bna_rx *)qe)->rid < rx->rid)
            prev_qe = qe;
        else
            break;
    }

    if (prev_qe == NULL) {
        /* This is the first entry */
        bfa_q_enq_head(&rx_mod->rx_free_q, &rx->qe);
    } else if (bfa_q_next(prev_qe) == &rx_mod->rx_free_q) {
        /* This is the last entry */
        list_add_tail(&rx->qe, &rx_mod->rx_free_q);
    } else {
        /* Somewhere in the middle */
        bfa_q_next(&rx->qe) = bfa_q_next(prev_qe);
        bfa_q_prev(&rx->qe) = prev_qe;
        bfa_q_next(prev_qe) = &rx->qe;
        bfa_q_prev(bfa_q_next(&rx->qe)) = &rx->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)
{
    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;

    for (i = 0; i < rxq->qpt.page_count; i++) {
        rxq->rcb->sw_qpt[i] = page_mem[i].kva;
        ((struct bna_dma_addr *)rxq->qpt.kv_qpt_ptr)[i].lsb =
            page_mem[i].dma.lsb;
        ((struct bna_dma_addr *)rxq->qpt.kv_qpt_ptr)[i].msb =
            page_mem[i].dma.msb;
    }
}

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)
{
    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;

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

        ((struct bna_dma_addr *)rxp->cq.qpt.kv_qpt_ptr)[i].lsb =
            page_mem[i].dma.lsb;
        ((struct bna_dma_addr *)rxp->cq.qpt.kv_qpt_ptr)[i].msb =
            page_mem[i].dma.msb;
    }
}

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 == (bfa_fsm_t) 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;
    struct list_head *qe;

    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(qe, &rx_mod->rx_active_q) {
        rx = (struct bna_rx *)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;
    struct list_head *qe;

    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(qe, &rx_mod->rx_active_q) {
        rx = (struct bna_rx *)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;
    struct list_head *qe;

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

    list_for_each(qe, &rx_mod->rx_active_q) {
        rx = (struct bna_rx *)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];

        bfa_q_qe_init(&rx_ptr->qe);
        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];
        bfa_q_qe_init(&rxp_ptr->qe);
        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];
        bfa_q_qe_init(&rxq_ptr->qe);
        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)
{
    struct list_head        *qe;
    int i;

    i = 0;
    list_for_each(qe, &rx_mod->rx_free_q)
        i++;

    i = 0;
    list_for_each(qe, &rx_mod->rxp_free_q)
        i++;

    i = 0;
    list_for_each(qe, &rx_mod->rxq_free_q)
        i++;

    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;
    struct list_head *rxp_qe;
    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_qe = bfa_q_first(&rx->rxp_q);
        i < rx->num_paths;
        i++, rxp_qe = bfa_q_next(rxp_qe)) {
        rxp = (struct bna_rxp *)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->q_depth;
    hq_depth = ((q_cfg->rxp_type == BNA_RXP_SINGLE) ? 0 : q_cfg->q_depth);
    cq_depth = dq_depth + hq_depth;

    BNA_TO_POWER_OF_2_HIGH(cq_depth);
    cq_size = cq_depth * BFI_CQ_WI_SIZE;
    cq_size = ALIGN(cq_size, PAGE_SIZE);
    cpage_count = SIZE_TO_PAGES(cq_size);

    BNA_TO_POWER_OF_2_HIGH(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) {
        BNA_TO_POWER_OF_2_HIGH(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;
    mem_info->num = cpage_count * 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;
    mem_info->num = dpage_count * 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 = (hpage_count ? PAGE_SIZE : 0);
    mem_info->num = (hpage_count ? (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;
    u32 page_count;
    struct bna_mem_descr *ccb_mem;
    struct bna_mem_descr *rcb_mem;
    struct bna_mem_descr *unmapq_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;
    int i, cpage_idx = 0, dpage_idx = 0, hpage_idx = 0;
    int dpage_count, hpage_count, rcb_idx;

    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];
    unmapq_mem = &res_info[BNA_RX_RES_MEM_T_UNMAPQ].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.num /
            rx_cfg->num_paths;

    dpage_count = res_info[BNA_RX_RES_MEM_T_DPAGE].res_u.mem_info.num /
            rx_cfg->num_paths;

    hpage_count = res_info[BNA_RX_RES_MEM_T_HPAGE].res_u.mem_info.num /
            rx_cfg->num_paths;

    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, 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 = (1 << 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 *)unmapq_mem[rcb_idx].kva;
        rcb_idx++;
        q0->rcb->q_depth = rx_cfg->q_depth;
        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;

        bna_rxq_qpt_setup(q0, rxp, dpage_count, PAGE_SIZE,
            &dqpt_mem[i], &dsqpt_mem[i], &dpage_mem[dpage_idx]);
        q0->rcb->page_idx = dpage_idx;
        q0->rcb->page_count = dpage_count;
        dpage_idx += dpage_count;

        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 *)unmapq_mem[rcb_idx].kva;
            rcb_idx++;
            q1->rcb->q_depth = rx_cfg->q_depth;
            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->small_buff_size;
            q1->rx_packets = q1->rx_bytes = 0;
            q1->rx_packets_with_error = q1->rxbuf_alloc_failed = 0;

            bna_rxq_qpt_setup(q1, rxp, hpage_count, PAGE_SIZE,
                &hqpt_mem[i], &hsqpt_mem[i],
                &hpage_mem[hpage_idx]);
            q1->rcb->page_idx = hpage_idx;
            q1->rcb->page_count = hpage_count;
            hpage_idx += hpage_count;

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

        /* Setup CQ */

        rxp->cq.ccb = (struct bna_ccb *) ccb_mem[i].kva;
        rxp->cq.ccb->q_depth =  rx_cfg->q_depth +
                    ((rx_cfg->rxp_type == BNA_RXP_SINGLE) ?
                    0 : rx_cfg->q_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[cpage_idx]);
        rxp->cq.ccb->page_idx = cpage_idx;
        rxp->cq.ccb->page_count = page_count;
        cpage_idx += page_count;

        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 |= (1 << 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)) {
        bfa_q_deq(&rx->rxp_q, &rxp);
        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);
            bfa_q_qe_init(&rx->qe);
            break;
        }
    }

    rx_mod->rid_mask &= ~(1 << 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 != (bfa_sm_t)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);
}

enum bna_cb_status
bna_rx_mode_set(struct bna_rx *rx, enum bna_rxmode new_mode,
        enum bna_rxmode bitmask,
        void (*cbfn)(struct bnad *, struct bna_rx *))
{
    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 = cbfn;
        rxf->cam_fltr_cbarg = rx->bna->bnad;
        bfa_fsm_send_event(rxf, RXF_E_CONFIG);
    } else if (cbfn)
        (*cbfn)(rx->bna->bnad, rx);

    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;
    struct list_head *qe;

    list_for_each(qe, &rx->rxp_q) {
        rxp = (struct bna_rxp *)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)

#define call_tx_prio_change_cbfn(tx)                    \
do {                                    \
    if ((tx)->prio_change_cbfn) {                   \
        void (*cbfn)(struct bnad *, struct bna_tx *);   \
        cbfn = (tx)->prio_change_cbfn;              \
        (tx)->prio_change_cbfn = NULL;              \
        cbfn((tx)->bna->bnad, (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_PRIO_CHANGE        = 6,
    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_PRIO_CHANGE:
        call_tx_prio_change_cbfn(tx);
        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_PRIO_CHANGED | 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_PRIO_CHANGED | 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_PRIO_CHANGED | BNA_TX_F_BW_UPDATED)) {
            tx->flags &= ~(BNA_TX_F_PRIO_CHANGED |
                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_PRIO_CHANGE:
        tx->flags |=  BNA_TX_F_PRIO_CHANGED;
        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;
    struct list_head         *qe;
    int is_regular = (tx->type == BNA_TX_T_REGULAR);

    list_for_each(qe, &tx->txq_q) {
        txq = (struct bna_txq *)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_PRIO_CHANGE:
    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:
        bna_tx_enet_stop(tx);
        break;

    case TX_E_PRIO_CHANGE:
    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_PRIO_CHANGE:
    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);
        call_tx_prio_change_cbfn(tx);
        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_PRIO_CHANGE:
    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)
{
    call_tx_prio_change_cbfn(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_PRIO_CHANGE:
    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;
    struct list_head *qe;
    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, qe = bfa_q_first(&tx->txq_q);
        i < tx->num_txq;
        i++, qe = bfa_q_next(qe)) {
        txq = (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_DISABLED;
    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;
    struct list_head         *qe;

    /* Stop IB */
    list_for_each(qe, &tx->txq_q) {
        txq = (struct bna_txq *)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)
{
    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;

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

        ((struct bna_dma_addr *)txq->qpt.kv_qpt_ptr)[i].lsb =
            page_mem[i].dma.lsb;
        ((struct bna_dma_addr *)txq->qpt.kv_qpt_ptr)[i].msb =
            page_mem[i].dma.msb;
    }
}

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

    if (list_empty(&tx_mod->tx_free_q))
        return NULL;
    if (type == BNA_TX_T_REGULAR) {
        bfa_q_deq(&tx_mod->tx_free_q, &qe);
    } else {
        bfa_q_deq_tail(&tx_mod->tx_free_q, &qe);
    }
    tx = (struct bna_tx *)qe;
    bfa_q_qe_init(&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 *prev_qe;
    struct list_head *qe;

    while (!list_empty(&tx->txq_q)) {
        bfa_q_deq(&tx->txq_q, &txq);
        bfa_q_qe_init(&txq->qe);
        txq->tcb = NULL;
        txq->tx = NULL;
        list_add_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);
            bfa_q_qe_init(&tx->qe);
            break;
        }
    }

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

    prev_qe = NULL;
    list_for_each(qe, &tx_mod->tx_free_q) {
        if (((struct bna_tx *)qe)->rid < tx->rid)
            prev_qe = qe;
        else {
            break;
        }
    }

    if (prev_qe == NULL) {
        /* This is the first entry */
        bfa_q_enq_head(&tx_mod->tx_free_q, &tx->qe);
    } else if (bfa_q_next(prev_qe) == &tx_mod->tx_free_q) {
        /* This is the last entry */
        list_add_tail(&tx->qe, &tx_mod->tx_free_q);
    } else {
        /* Somewhere in the middle */
        bfa_q_next(&tx->qe) = bfa_q_next(prev_qe);
        bfa_q_prev(&tx->qe) = prev_qe;
        bfa_q_next(prev_qe) = &tx->qe;
        bfa_q_prev(bfa_q_next(&tx->qe)) = &tx->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;
    struct list_head *qe;
    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, qe = bfa_q_first(&tx->txq_q);
        i < tx->num_txq; i++, qe = bfa_q_next(qe)) {
        txq = (struct bna_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;
    struct list_head        *qe;

    list_for_each(qe, &tx_mod->tx_active_q) {
        tx = (struct bna_tx *)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;
    mem_info->num = num_txq * page_count;

    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;
    struct list_head *qe;
    int page_count;
    int page_size;
    int page_idx;
    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.num) /
            tx_cfg->num_txq;
    page_size = res_info[BNA_TX_RES_MEM_T_PAGE].res_u.mem_info.len;

    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;

        bfa_q_deq(&tx_mod->txq_free_q, &txq);
        bfa_q_qe_init(&txq->qe);
        list_add_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;
    page_idx = 0;
    list_for_each(qe, &tx->txq_q) {
        txq = (struct bna_txq *)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 = (1 <<  txq->ib.intr_vector);
        txq->ib.coalescing_timeo = tx_cfg->coalescing_timeo;
        txq->ib.interpkt_timeo = 0; /* Not used */
        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[page_idx]);
        txq->tcb->page_idx = page_idx;
        txq->tcb->page_count = page_count;
        page_idx += page_count;

        /* 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 |= (1 << tx->rid);

    return tx;

err_return:
    bna_tx_free(tx);
    return NULL;
}

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

    list_for_each(qe, &tx->txq_q) {
        txq = (struct bna_txq *)qe;
        if (tx->tcb_destroy_cbfn)
            (tx->tcb_destroy_cbfn)(tx->bna->bnad, txq->tcb);
    }

    tx->bna->tx_mod.rid_mask &= ~(1 << tx->rid);
    bna_tx_free(tx);
}

void
bna_tx_enable(struct bna_tx *tx)
{
    if (tx->fsm != (bfa_sm_t)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;
        bfa_q_qe_init(&tx_mod->tx[i].qe);
        list_add_tail(&tx_mod->tx[i].qe, &tx_mod->tx_free_q);
        bfa_q_qe_init(&tx_mod->txq[i].qe);
        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)
{
    struct list_head        *qe;
    int i;

    i = 0;
    list_for_each(qe, &tx_mod->tx_free_q)
        i++;

    i = 0;
    list_for_each(qe, &tx_mod->txq_free_q)
        i++;

    tx_mod->bna = NULL;
}

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

    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(qe, &tx_mod->tx_active_q) {
        tx = (struct bna_tx *)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;
    struct list_head        *qe;

    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(qe, &tx_mod->tx_active_q) {
        tx = (struct bna_tx *)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;
    struct list_head        *qe;

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

    list_for_each(qe, &tx_mod->tx_active_q) {
        tx = (struct bna_tx *)qe;
        bna_tx_fail(tx);
    }
}

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

    list_for_each(qe, &tx->txq_q) {
        txq = (struct bna_txq *)qe;
        bna_ib_coalescing_timeo_set(&txq->ib, coalescing_timeo);
    }
}