// SPDX-License-Identifier: GPL-2.0
/* Copyright(c) 2009-2012  Realtek Corporation.*/

#include "wifi.h"
#include "core.h"
#include "cam.h"
#include "base.h"
#include "ps.h"
#include "pwrseqcmd.h"

#include "btcoexist/rtl_btc.h"
#include <linux/firmware.h>
#include <linux/export.h>
#include <net/cfg80211.h>

u8 channel5g[CHANNEL_MAX_NUMBER_5G] = {
        36, 38, 40, 42, 44, 46, 48,             /* Band 1 */
        52, 54, 56, 58, 60, 62, 64,             /* Band 2 */
        100, 102, 104, 106, 108, 110, 112,      /* Band 3 */
        116, 118, 120, 122, 124, 126, 128,      /* Band 3 */
        132, 134, 136, 138, 140, 142, 144,      /* Band 3 */
        149, 151, 153, 155, 157, 159, 161,      /* Band 4 */
        165, 167, 169, 171, 173, 175, 177       /* Band 4 */
};
EXPORT_SYMBOL(channel5g);

u8 channel5g_80m[CHANNEL_MAX_NUMBER_5G_80M] = {
        42, 58, 106, 122, 138, 155, 171
};
EXPORT_SYMBOL(channel5g_80m);

void rtl_addr_delay(u32 addr)
{
        if (addr == 0xfe)
                mdelay(50);
        else if (addr == 0xfd)
                msleep(5);
        else if (addr == 0xfc)
                msleep(1);
        else if (addr == 0xfb)
                usleep_range(50, 100);
        else if (addr == 0xfa)
                usleep_range(5, 10);
        else if (addr == 0xf9)
                usleep_range(1, 2);
}
EXPORT_SYMBOL(rtl_addr_delay);

void rtl_rfreg_delay(struct ieee80211_hw *hw, enum radio_path rfpath, u32 addr,
                     u32 mask, u32 data)
{
        if (addr >= 0xf9 && addr <= 0xfe) {
                rtl_addr_delay(addr);
        } else {
                rtl_set_rfreg(hw, rfpath, addr, mask, data);
                udelay(1);
        }
}
EXPORT_SYMBOL(rtl_rfreg_delay);

static void rtl_fw_do_work(const struct firmware *firmware, void *context,
                           bool is_wow)
{
        struct ieee80211_hw *hw = context;
        struct rtl_priv *rtlpriv = rtl_priv(hw);
        int err;

        rtl_dbg(rtlpriv, COMP_ERR, DBG_LOUD,
                "Firmware callback routine entered!\n");
        if (!firmware) {
                if (rtlpriv->cfg->alt_fw_name) {
                        err = request_firmware(&firmware,
                                               rtlpriv->cfg->alt_fw_name,
                                               rtlpriv->io.dev);
                        pr_info("Loading alternative firmware %s\n",
                                rtlpriv->cfg->alt_fw_name);
                        if (!err)
                                goto found_alt;
                }
                pr_err("Selected firmware is not available\n");
                rtlpriv->max_fw_size = 0;
                goto exit;
        }
found_alt:
        if (firmware->size > rtlpriv->max_fw_size) {
                pr_err("Firmware is too big!\n");
                release_firmware(firmware);
                goto exit;
        }
        if (!is_wow) {
                memcpy(rtlpriv->rtlhal.pfirmware, firmware->data,
                       firmware->size);
                rtlpriv->rtlhal.fwsize = firmware->size;
        } else {
                memcpy(rtlpriv->rtlhal.wowlan_firmware, firmware->data,
                       firmware->size);
                rtlpriv->rtlhal.wowlan_fwsize = firmware->size;
        }
        release_firmware(firmware);

exit:
        complete(&rtlpriv->firmware_loading_complete);
}

void rtl_fw_cb(const struct firmware *firmware, void *context)
{
        rtl_fw_do_work(firmware, context, false);
}
EXPORT_SYMBOL(rtl_fw_cb);

void rtl_wowlan_fw_cb(const struct firmware *firmware, void *context)
{
        rtl_fw_do_work(firmware, context, true);
}
EXPORT_SYMBOL(rtl_wowlan_fw_cb);

/*mutex for start & stop is must here. */
static int rtl_op_start(struct ieee80211_hw *hw)
{
        int err = 0;
        struct rtl_priv *rtlpriv = rtl_priv(hw);
        struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));

        if (!is_hal_stop(rtlhal))
                return 0;
        if (!test_bit(RTL_STATUS_INTERFACE_START, &rtlpriv->status))
                return 0;
        mutex_lock(&rtlpriv->locks.conf_mutex);
        err = rtlpriv->intf_ops->adapter_start(hw);
        if (!err)
                rtl_watch_dog_timer_callback(&rtlpriv->works.watchdog_timer);
        mutex_unlock(&rtlpriv->locks.conf_mutex);
        return err;
}

static void rtl_op_stop(struct ieee80211_hw *hw, bool suspend)
{
        struct rtl_priv *rtlpriv = rtl_priv(hw);
        struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
        struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
        struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
        bool support_remote_wakeup = false;

        if (is_hal_stop(rtlhal))
                return;

        rtlpriv->cfg->ops->get_hw_reg(hw, HAL_DEF_WOWLAN,
                                      (u8 *)(&support_remote_wakeup));
        /* here is must, because adhoc do stop and start,
         * but stop with RFOFF may cause something wrong,
         * like adhoc TP
         */
        if (unlikely(ppsc->rfpwr_state == ERFOFF))
                rtl_ips_nic_on(hw);

        mutex_lock(&rtlpriv->locks.conf_mutex);
        /* if wowlan supported, DON'T clear connected info */
        if (!(support_remote_wakeup &&
              rtlhal->enter_pnp_sleep)) {
                mac->link_state = MAC80211_NOLINK;
                eth_zero_addr(mac->bssid);
                mac->vendor = PEER_UNKNOWN;

                /* reset sec info */
                rtl_cam_reset_sec_info(hw);

                rtl_deinit_deferred_work(hw, false);
        }
        rtlpriv->intf_ops->adapter_stop(hw);

        mutex_unlock(&rtlpriv->locks.conf_mutex);
}

static void rtl_op_tx(struct ieee80211_hw *hw,
                      struct ieee80211_tx_control *control,
                      struct sk_buff *skb)
{
        struct rtl_priv *rtlpriv = rtl_priv(hw);
        struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
        struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
        struct rtl_tcb_desc tcb_desc;

        memset(&tcb_desc, 0, sizeof(struct rtl_tcb_desc));

        if (unlikely(is_hal_stop(rtlhal) || ppsc->rfpwr_state != ERFON))
                goto err_free;

        if (!test_bit(RTL_STATUS_INTERFACE_START, &rtlpriv->status))
                goto err_free;

        if (!rtlpriv->intf_ops->waitq_insert(hw, control->sta, skb))
                rtlpriv->intf_ops->adapter_tx(hw, control->sta, skb, &tcb_desc);
        return;

err_free:
        dev_kfree_skb_any(skb);
}

static int rtl_op_add_interface(struct ieee80211_hw *hw,
                struct ieee80211_vif *vif)
{
        struct rtl_priv *rtlpriv = rtl_priv(hw);
        struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
        int err = 0;
        u8 retry_limit = 0x30;

        if (mac->vif) {
                rtl_dbg(rtlpriv, COMP_ERR, DBG_WARNING,
                        "vif has been set!! mac->vif = 0x%p\n", mac->vif);
                return -EOPNOTSUPP;
        }

        vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER;

        rtl_ips_nic_on(hw);

        mutex_lock(&rtlpriv->locks.conf_mutex);
        switch (ieee80211_vif_type_p2p(vif)) {
        case NL80211_IFTYPE_P2P_CLIENT:
                mac->p2p = P2P_ROLE_CLIENT;
                fallthrough;
        case NL80211_IFTYPE_STATION:
                if (mac->beacon_enabled == 1) {
                        rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD,
                                "NL80211_IFTYPE_STATION\n");
                        mac->beacon_enabled = 0;
                        rtlpriv->cfg->ops->update_interrupt_mask(hw, 0,
                                        rtlpriv->cfg->maps[RTL_IBSS_INT_MASKS]);
                }
                break;
        case NL80211_IFTYPE_ADHOC:
                rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD,
                        "NL80211_IFTYPE_ADHOC\n");

                mac->link_state = MAC80211_LINKED;
                rtlpriv->cfg->ops->set_bcn_reg(hw);
                if (rtlpriv->rtlhal.current_bandtype == BAND_ON_2_4G)
                        mac->basic_rates = 0xfff;
                else
                        mac->basic_rates = 0xff0;
                rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BASIC_RATE,
                                (u8 *)(&mac->basic_rates));

                retry_limit = 0x07;
                break;
        case NL80211_IFTYPE_P2P_GO:
                mac->p2p = P2P_ROLE_GO;
                fallthrough;
        case NL80211_IFTYPE_AP:
                rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD,
                        "NL80211_IFTYPE_AP\n");

                mac->link_state = MAC80211_LINKED;
                rtlpriv->cfg->ops->set_bcn_reg(hw);
                if (rtlpriv->rtlhal.current_bandtype == BAND_ON_2_4G)
                        mac->basic_rates = 0xfff;
                else
                        mac->basic_rates = 0xff0;
                rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BASIC_RATE,
                                              (u8 *)(&mac->basic_rates));

                retry_limit = 0x07;
                break;
        case NL80211_IFTYPE_MESH_POINT:
                rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD,
                        "NL80211_IFTYPE_MESH_POINT\n");

                mac->link_state = MAC80211_LINKED;
                rtlpriv->cfg->ops->set_bcn_reg(hw);
                if (rtlpriv->rtlhal.current_bandtype == BAND_ON_2_4G)
                        mac->basic_rates = 0xfff;
                else
                        mac->basic_rates = 0xff0;
                rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BASIC_RATE,
                                (u8 *)(&mac->basic_rates));

                retry_limit = 0x07;
                break;
        default:
                pr_err("operation mode %d is not supported!\n",
                       vif->type);
                err = -EOPNOTSUPP;
                goto out;
        }

        if (mac->p2p) {
                rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD,
                        "p2p role %x\n", vif->type);
                mac->basic_rates = 0xff0;/*disable cck rate for p2p*/
                rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BASIC_RATE,
                                (u8 *)(&mac->basic_rates));
        }
        mac->vif = vif;
        mac->opmode = vif->type;
        rtlpriv->cfg->ops->set_network_type(hw, vif->type);
        memcpy(mac->mac_addr, vif->addr, ETH_ALEN);
        rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_ETHER_ADDR, mac->mac_addr);

        mac->retry_long = retry_limit;
        mac->retry_short = retry_limit;
        rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_RETRY_LIMIT,
                        (u8 *)(&retry_limit));
out:
        mutex_unlock(&rtlpriv->locks.conf_mutex);
        return err;
}

static void rtl_op_remove_interface(struct ieee80211_hw *hw,
                struct ieee80211_vif *vif)
{
        struct rtl_priv *rtlpriv = rtl_priv(hw);
        struct rtl_mac *mac = rtl_mac(rtl_priv(hw));

        mutex_lock(&rtlpriv->locks.conf_mutex);

        /* Free beacon resources */
        if (vif->type == NL80211_IFTYPE_AP ||
            vif->type == NL80211_IFTYPE_ADHOC ||
            vif->type == NL80211_IFTYPE_MESH_POINT) {
                if (mac->beacon_enabled == 1) {
                        mac->beacon_enabled = 0;
                        rtlpriv->cfg->ops->update_interrupt_mask(hw, 0,
                                        rtlpriv->cfg->maps[RTL_IBSS_INT_MASKS]);
                }
        }

        /*
         *Note: We assume NL80211_IFTYPE_UNSPECIFIED as
         *NO LINK for our hardware.
         */
        mac->p2p = 0;
        mac->vif = NULL;
        mac->link_state = MAC80211_NOLINK;
        eth_zero_addr(mac->bssid);
        mac->vendor = PEER_UNKNOWN;
        mac->opmode = NL80211_IFTYPE_UNSPECIFIED;
        rtlpriv->cfg->ops->set_network_type(hw, mac->opmode);

        mutex_unlock(&rtlpriv->locks.conf_mutex);
}

static int rtl_op_change_interface(struct ieee80211_hw *hw,
                                   struct ieee80211_vif *vif,
                                   enum nl80211_iftype new_type, bool p2p)
{
        struct rtl_priv *rtlpriv = rtl_priv(hw);
        int ret;

        rtl_op_remove_interface(hw, vif);

        vif->type = new_type;
        vif->p2p = p2p;
        ret = rtl_op_add_interface(hw, vif);
        rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD,
                "p2p  %x\n", p2p);
        return ret;
}

#ifdef CONFIG_PM
static u16 crc16_ccitt(u8 data, u16 crc)
{
        u8 shift_in, data_bit, crc_bit11, crc_bit4, crc_bit15;
        u8 i;
        u16 result;

        for (i = 0; i < 8; i++) {
                crc_bit15 = ((crc & BIT(15)) ? 1 : 0);
                data_bit  = (data & (BIT(0) << i) ? 1 : 0);
                shift_in = crc_bit15 ^ data_bit;

                result = crc << 1;
                if (shift_in == 0)
                        result &= (~BIT(0));
                else
                        result |= BIT(0);

                crc_bit11 = ((crc & BIT(11)) ? 1 : 0) ^ shift_in;
                if (crc_bit11 == 0)
                        result &= (~BIT(12));
                else
                        result |= BIT(12);

                crc_bit4 = ((crc & BIT(4)) ? 1 : 0) ^ shift_in;
                if (crc_bit4 == 0)
                        result &= (~BIT(5));
                else
                        result |= BIT(5);

                crc = result;
        }

        return crc;
}

static u16 _calculate_wol_pattern_crc(u8 *pattern, u16 len)
{
        u16 crc = 0xffff;
        u32 i;

        for (i = 0; i < len; i++)
                crc = crc16_ccitt(pattern[i], crc);

        crc = ~crc;

        return crc;
}

static void _rtl_add_wowlan_patterns(struct ieee80211_hw *hw,
                                     struct cfg80211_wowlan *wow)
{
        struct rtl_priv *rtlpriv = rtl_priv(hw);
        struct rtl_mac *mac = &rtlpriv->mac80211;
        struct cfg80211_pkt_pattern *patterns = wow->patterns;
        struct rtl_wow_pattern rtl_pattern;
        const u8 *pattern_os, *mask_os;
        u8 mask[MAX_WOL_BIT_MASK_SIZE] = {0};
        u8 content[MAX_WOL_PATTERN_SIZE] = {0};
        u8 broadcast_addr[6] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
        u8 multicast_addr1[2] = {0x33, 0x33};
        u8 multicast_addr2[3] = {0x01, 0x00, 0x5e};
        u8 i, mask_len;
        u16 j, len;

        for (i = 0; i < wow->n_patterns; i++) {
                memset(&rtl_pattern, 0, sizeof(struct rtl_wow_pattern));
                memset(mask, 0, MAX_WOL_BIT_MASK_SIZE);
                if (patterns[i].pattern_len < 0 ||
                    patterns[i].pattern_len > MAX_WOL_PATTERN_SIZE) {
                        rtl_dbg(rtlpriv, COMP_POWER, DBG_WARNING,
                                "Pattern[%d] is too long\n", i);
                        continue;
                }
                pattern_os = patterns[i].pattern;
                mask_len = DIV_ROUND_UP(patterns[i].pattern_len, 8);
                mask_os = patterns[i].mask;
                RT_PRINT_DATA(rtlpriv, COMP_POWER, DBG_TRACE,
                              "pattern content\n", pattern_os,
                               patterns[i].pattern_len);
                RT_PRINT_DATA(rtlpriv, COMP_POWER, DBG_TRACE,
                              "mask content\n", mask_os, mask_len);
                /* 1. unicast? multicast? or broadcast? */
                if (memcmp(pattern_os, broadcast_addr, 6) == 0)
                        rtl_pattern.type = BROADCAST_PATTERN;
                else if (memcmp(pattern_os, multicast_addr1, 2) == 0 ||
                         memcmp(pattern_os, multicast_addr2, 3) == 0)
                        rtl_pattern.type = MULTICAST_PATTERN;
                else if  (memcmp(pattern_os, mac->mac_addr, 6) == 0)
                        rtl_pattern.type = UNICAST_PATTERN;
                else
                        rtl_pattern.type = UNKNOWN_TYPE;

                /* 2. translate mask_from_os to mask_for_hw */

/******************************************************************************
 * pattern from OS uses 'ethenet frame', like this:

                   |    6   |    6   |   2  |     20    |  Variable  |  4  |
                   |--------+--------+------+-----------+------------+-----|
                   |    802.3 Mac Header    | IP Header | TCP Packet | FCS |
                   |   DA   |   SA   | Type |

 * BUT, packet catched by our HW is in '802.11 frame', begin from LLC,

        |     24 or 30      |    6   |   2  |     20    |  Variable  |  4  |
        |-------------------+--------+------+-----------+------------+-----|
        | 802.11 MAC Header |       LLC     | IP Header | TCP Packet | FCS |
                            | Others | Tpye |

 * Therefore, we need translate mask_from_OS to mask_to_hw.
 * We should left-shift mask by 6 bits, then set the new bit[0~5] = 0,
 * because new mask[0~5] means 'SA', but our HW packet begins from LLC,
 * bit[0~5] corresponds to first 6 Bytes in LLC, they just don't match.
 ******************************************************************************/

                /* Shift 6 bits */
                for (j = 0; j < mask_len - 1; j++) {
                        mask[j] = mask_os[j] >> 6;
                        mask[j] |= (mask_os[j + 1] & 0x3F) << 2;
                }
                mask[j] = (mask_os[j] >> 6) & 0x3F;
                /* Set bit 0-5 to zero */
                mask[0] &= 0xC0;

                RT_PRINT_DATA(rtlpriv, COMP_POWER, DBG_TRACE,
                              "mask to hw\n", mask, mask_len);
                for (j = 0; j < (MAX_WOL_BIT_MASK_SIZE + 1) / 4; j++) {
                        rtl_pattern.mask[j] = mask[j * 4];
                        rtl_pattern.mask[j] |= (mask[j * 4 + 1] << 8);
                        rtl_pattern.mask[j] |= (mask[j * 4 + 2] << 16);
                        rtl_pattern.mask[j] |= (mask[j * 4 + 3] << 24);
                }

                /* To get the wake up pattern from the mask.
                 * We do not count first 12 bits which means
                 * DA[6] and SA[6] in the pattern to match HW design.
                 */
                len = 0;
                for (j = 12; j < patterns[i].pattern_len; j++) {
                        if ((mask_os[j / 8] >> (j % 8)) & 0x01) {
                                content[len] = pattern_os[j];
                                len++;
                        }
                }

                RT_PRINT_DATA(rtlpriv, COMP_POWER, DBG_TRACE,
                              "pattern to hw\n", content, len);
                /* 3. calculate crc */
                rtl_pattern.crc = _calculate_wol_pattern_crc(content, len);
                rtl_dbg(rtlpriv, COMP_POWER, DBG_TRACE,
                        "CRC_Remainder = 0x%x\n", rtl_pattern.crc);

                /* 4. write crc & mask_for_hw to hw */
                rtlpriv->cfg->ops->add_wowlan_pattern(hw, &rtl_pattern, i);
        }
        rtl_write_byte(rtlpriv, 0x698, wow->n_patterns);
}

static int rtl_op_suspend(struct ieee80211_hw *hw,
                          struct cfg80211_wowlan *wow)
{
        struct rtl_priv *rtlpriv = rtl_priv(hw);
        struct rtl_hal *rtlhal = rtl_hal(rtlpriv);
        struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));

        rtl_dbg(rtlpriv, COMP_POWER, DBG_DMESG, "\n");
        if (WARN_ON(!wow))
                return -EINVAL;

        /* to resolve s4 can not wake up*/
        rtlhal->last_suspend_sec = ktime_get_real_seconds();

        if ((ppsc->wo_wlan_mode & WAKE_ON_PATTERN_MATCH) && wow->n_patterns)
                _rtl_add_wowlan_patterns(hw, wow);

        rtlhal->driver_is_goingto_unload = true;
        rtlhal->enter_pnp_sleep = true;

        rtl_lps_leave(hw, true);
        rtl_op_stop(hw, false);
        device_set_wakeup_enable(wiphy_dev(hw->wiphy), true);
        return 0;
}

static int rtl_op_resume(struct ieee80211_hw *hw)
{
        struct rtl_priv *rtlpriv = rtl_priv(hw);
        struct rtl_hal *rtlhal = rtl_hal(rtlpriv);
        struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
        time64_t now;

        rtl_dbg(rtlpriv, COMP_POWER, DBG_DMESG, "\n");
        rtlhal->driver_is_goingto_unload = false;
        rtlhal->enter_pnp_sleep = false;
        rtlhal->wake_from_pnp_sleep = true;

        /* to resolve s4 can not wake up*/
        now = ktime_get_real_seconds();
        if (now - rtlhal->last_suspend_sec < 5)
                return -1;

        rtl_op_start(hw);
        device_set_wakeup_enable(wiphy_dev(hw->wiphy), false);
        ieee80211_resume_disconnect(mac->vif);
        rtlhal->wake_from_pnp_sleep = false;
        return 0;
}
#endif

static int rtl_op_config(struct ieee80211_hw *hw, int radio_idx, u32 changed)
{
        struct rtl_priv *rtlpriv = rtl_priv(hw);
        struct rtl_phy *rtlphy = &(rtlpriv->phy);
        struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
        struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
        struct ieee80211_conf *conf = &hw->conf;

        if (mac->skip_scan)
                return 1;

        mutex_lock(&rtlpriv->locks.conf_mutex);
        if (changed & IEEE80211_CONF_CHANGE_LISTEN_INTERVAL) {  /* BIT(2)*/
                rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD,
                        "IEEE80211_CONF_CHANGE_LISTEN_INTERVAL\n");
        }

        /*For IPS */
        if (changed & IEEE80211_CONF_CHANGE_IDLE) {
                if (hw->conf.flags & IEEE80211_CONF_IDLE)
                        rtl_ips_nic_off(hw);
                else
                        rtl_ips_nic_on(hw);
        } else {
                /*
                 *although rfoff may not cause by ips, but we will
                 *check the reason in set_rf_power_state function
                 */
                if (unlikely(ppsc->rfpwr_state == ERFOFF))
                        rtl_ips_nic_on(hw);
        }

        /*For LPS */
        if ((changed & IEEE80211_CONF_CHANGE_PS) &&
            rtlpriv->psc.swctrl_lps && !rtlpriv->psc.fwctrl_lps) {
                cancel_delayed_work(&rtlpriv->works.ps_work);
                cancel_delayed_work(&rtlpriv->works.ps_rfon_wq);
                if (conf->flags & IEEE80211_CONF_PS) {
                        rtlpriv->psc.sw_ps_enabled = true;
                        /* sleep here is must, or we may recv the beacon and
                         * cause mac80211 into wrong ps state, this will cause
                         * power save nullfunc send fail, and further cause
                         * pkt loss, So sleep must quickly but not immediatly
                         * because that will cause nullfunc send by mac80211
                         * fail, and cause pkt loss, we have tested that 5mA
                         * is worked very well */
                        if (!rtlpriv->psc.multi_buffered)
                                queue_delayed_work(rtlpriv->works.rtl_wq,
                                                   &rtlpriv->works.ps_work,
                                                   MSECS(5));
                } else {
                        rtl_swlps_rf_awake(hw);
                        rtlpriv->psc.sw_ps_enabled = false;
                }
        }

        if (changed & IEEE80211_CONF_CHANGE_CHANNEL &&
            !rtlpriv->proximity.proxim_on) {
                struct ieee80211_channel *channel = hw->conf.chandef.chan;
                enum nl80211_chan_width width = hw->conf.chandef.width;
                enum nl80211_channel_type channel_type = NL80211_CHAN_NO_HT;
                u8 wide_chan = (u8) channel->hw_value;

                /* channel_type is for 20&40M */
                if (width < NL80211_CHAN_WIDTH_80)
                        channel_type =
                                cfg80211_get_chandef_type(&hw->conf.chandef);
                if (mac->act_scanning)
                        mac->n_channels++;

                /*
                 *because we should back channel to
                 *current_network.chan in scanning,
                 *So if set_chan == current_network.chan
                 *we should set it.
                 *because mac80211 tell us wrong bw40
                 *info for cisco1253 bw20, so we modify
                 *it here based on UPPER & LOWER
                 */

                if (width >= NL80211_CHAN_WIDTH_80) {
                        if (width == NL80211_CHAN_WIDTH_80) {
                                u32 center = hw->conf.chandef.center_freq1;
                                u32 primary =
                                (u32)hw->conf.chandef.chan->center_freq;

                                rtlphy->current_chan_bw =
                                        HT_CHANNEL_WIDTH_80;
                                mac->bw_80 = true;
                                mac->bw_40 = true;
                                if (center > primary) {
                                        mac->cur_80_prime_sc =
                                        PRIME_CHNL_OFFSET_LOWER;
                                        if (center - primary == 10) {
                                                mac->cur_40_prime_sc =
                                                PRIME_CHNL_OFFSET_UPPER;

                                                wide_chan += 2;
                                        } else if (center - primary == 30) {
                                                mac->cur_40_prime_sc =
                                                PRIME_CHNL_OFFSET_LOWER;

                                                wide_chan += 6;
                                        }
                                } else {
                                        mac->cur_80_prime_sc =
                                        PRIME_CHNL_OFFSET_UPPER;
                                        if (primary - center == 10) {
                                                mac->cur_40_prime_sc =
                                                PRIME_CHNL_OFFSET_LOWER;

                                                wide_chan -= 2;
                                        } else if (primary - center == 30) {
                                                mac->cur_40_prime_sc =
                                                PRIME_CHNL_OFFSET_UPPER;

                                                wide_chan -= 6;
                                        }
                                }
                        }
                } else {
                        switch (channel_type) {
                        case NL80211_CHAN_HT20:
                        case NL80211_CHAN_NO_HT:
                                        /* SC */
                                        mac->cur_40_prime_sc =
                                                PRIME_CHNL_OFFSET_DONT_CARE;
                                        rtlphy->current_chan_bw =
                                                HT_CHANNEL_WIDTH_20;
                                        mac->bw_40 = false;
                                        mac->bw_80 = false;
                                        break;
                        case NL80211_CHAN_HT40MINUS:
                                        /* SC */
                                        mac->cur_40_prime_sc =
                                                PRIME_CHNL_OFFSET_UPPER;
                                        rtlphy->current_chan_bw =
                                                HT_CHANNEL_WIDTH_20_40;
                                        mac->bw_40 = true;
                                        mac->bw_80 = false;

                                        /*wide channel */
                                        wide_chan -= 2;

                                        break;
                        case NL80211_CHAN_HT40PLUS:
                                        /* SC */
                                        mac->cur_40_prime_sc =
                                                PRIME_CHNL_OFFSET_LOWER;
                                        rtlphy->current_chan_bw =
                                                HT_CHANNEL_WIDTH_20_40;
                                        mac->bw_40 = true;
                                        mac->bw_80 = false;

                                        /*wide channel */
                                        wide_chan += 2;

                                        break;
                        default:
                                        mac->bw_40 = false;
                                        mac->bw_80 = false;
                                        pr_err("switch case %#x not processed\n",
                                               channel_type);
                                        break;
                        }
                }

                if (wide_chan <= 0)
                        wide_chan = 1;

                /* In scanning, when before we offchannel we may send a ps=1
                 * null to AP, and then we may send a ps = 0 null to AP quickly,
                 * but first null may have caused AP to put lots of packet to
                 * hw tx buffer. These packets must be tx'd before we go off
                 * channel so we must delay more time to let AP flush these
                 * packets before going offchannel, or dis-association or
                 * delete BA will be caused by AP
                 */
                if (rtlpriv->mac80211.offchan_delay) {
                        rtlpriv->mac80211.offchan_delay = false;
                        mdelay(50);
                }

                rtlphy->current_channel = wide_chan;

                rtlpriv->cfg->ops->switch_channel(hw);
                rtlpriv->cfg->ops->set_channel_access(hw);
                rtlpriv->cfg->ops->set_bw_mode(hw, channel_type);
        }

        mutex_unlock(&rtlpriv->locks.conf_mutex);

        return 0;
}

static void rtl_op_configure_filter(struct ieee80211_hw *hw,
                                    unsigned int changed_flags,
                                    unsigned int *new_flags, u64 multicast)
{
        bool update_rcr = false;
        struct rtl_priv *rtlpriv = rtl_priv(hw);
        struct rtl_mac *mac = rtl_mac(rtl_priv(hw));

        *new_flags &= RTL_SUPPORTED_FILTERS;
        if (0 == changed_flags)
                return;

        /*TODO: we disable broadcast now, so enable here */
        if (changed_flags & FIF_ALLMULTI) {
                if (*new_flags & FIF_ALLMULTI) {
                        mac->rx_conf |= rtlpriv->cfg->maps[MAC_RCR_AM] |
                            rtlpriv->cfg->maps[MAC_RCR_AB];
                        rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD,
                                "Enable receive multicast frame\n");
                } else {
                        mac->rx_conf &= ~(rtlpriv->cfg->maps[MAC_RCR_AM] |
                                          rtlpriv->cfg->maps[MAC_RCR_AB]);
                        rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD,
                                "Disable receive multicast frame\n");
                }
                update_rcr = true;
        }

        if (changed_flags & FIF_FCSFAIL) {
                if (*new_flags & FIF_FCSFAIL) {
                        mac->rx_conf |= rtlpriv->cfg->maps[MAC_RCR_ACRC32];
                        rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD,
                                "Enable receive FCS error frame\n");
                } else {
                        mac->rx_conf &= ~rtlpriv->cfg->maps[MAC_RCR_ACRC32];
                        rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD,
                                "Disable receive FCS error frame\n");
                }
                if (!update_rcr)
                        update_rcr = true;
        }

        /* if ssid not set to hw don't check bssid
         * here just used for linked scanning, & linked
         * and nolink check bssid is set in set network_type
         */
        if (changed_flags & FIF_BCN_PRBRESP_PROMISC &&
            mac->link_state >= MAC80211_LINKED) {
                if (mac->opmode != NL80211_IFTYPE_AP &&
                    mac->opmode != NL80211_IFTYPE_MESH_POINT) {
                        if (*new_flags & FIF_BCN_PRBRESP_PROMISC)
                                rtlpriv->cfg->ops->set_chk_bssid(hw, false);
                        else
                                rtlpriv->cfg->ops->set_chk_bssid(hw, true);
                        if (update_rcr)
                                update_rcr = false;
                }
        }

        if (changed_flags & FIF_CONTROL) {
                if (*new_flags & FIF_CONTROL) {
                        mac->rx_conf |= rtlpriv->cfg->maps[MAC_RCR_ACF];

                        rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD,
                                "Enable receive control frame.\n");
                } else {
                        mac->rx_conf &= ~rtlpriv->cfg->maps[MAC_RCR_ACF];
                        rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD,
                                "Disable receive control frame.\n");
                }
                if (!update_rcr)
                        update_rcr = true;
        }

        if (changed_flags & FIF_OTHER_BSS) {
                if (*new_flags & FIF_OTHER_BSS) {
                        mac->rx_conf |= rtlpriv->cfg->maps[MAC_RCR_AAP];
                        rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD,
                                "Enable receive other BSS's frame.\n");
                } else {
                        mac->rx_conf &= ~rtlpriv->cfg->maps[MAC_RCR_AAP];
                        rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD,
                                "Disable receive other BSS's frame.\n");
                }
                if (!update_rcr)
                        update_rcr = true;
        }

        if (update_rcr)
                rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_RCR,
                                              (u8 *)(&mac->rx_conf));
}

static int rtl_op_sta_add(struct ieee80211_hw *hw,
                         struct ieee80211_vif *vif,
                         struct ieee80211_sta *sta)
{
        struct rtl_priv *rtlpriv = rtl_priv(hw);
        struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
        struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
        struct rtl_sta_info *sta_entry;

        if (sta) {
                sta_entry = (struct rtl_sta_info *)sta->drv_priv;
                spin_lock_bh(&rtlpriv->locks.entry_list_lock);
                list_add_tail(&sta_entry->list, &rtlpriv->entry_list);
                spin_unlock_bh(&rtlpriv->locks.entry_list_lock);
                if (rtlhal->current_bandtype == BAND_ON_2_4G) {
                        sta_entry->wireless_mode = WIRELESS_MODE_G;
                        if (sta->deflink.supp_rates[0] <= 0xf)
                                sta_entry->wireless_mode = WIRELESS_MODE_B;
                        if (sta->deflink.ht_cap.ht_supported)
                                sta_entry->wireless_mode = WIRELESS_MODE_N_24G;

                        if (vif->type == NL80211_IFTYPE_ADHOC)
                                sta_entry->wireless_mode = WIRELESS_MODE_G;
                } else if (rtlhal->current_bandtype == BAND_ON_5G) {
                        sta_entry->wireless_mode = WIRELESS_MODE_A;
                        if (sta->deflink.ht_cap.ht_supported)
                                sta_entry->wireless_mode = WIRELESS_MODE_N_5G;
                        if (sta->deflink.vht_cap.vht_supported)
                                sta_entry->wireless_mode = WIRELESS_MODE_AC_5G;

                        if (vif->type == NL80211_IFTYPE_ADHOC)
                                sta_entry->wireless_mode = WIRELESS_MODE_A;
                }
                /*disable cck rate for p2p*/
                if (mac->p2p)
                        sta->deflink.supp_rates[0] &= 0xfffffff0;

                memcpy(sta_entry->mac_addr, sta->addr, ETH_ALEN);
                rtl_dbg(rtlpriv, COMP_MAC80211, DBG_DMESG,
                        "Add sta addr is %pM\n", sta->addr);
                rtlpriv->cfg->ops->update_rate_tbl(hw, sta, 0, true);
        }

        return 0;
}

static int rtl_op_sta_remove(struct ieee80211_hw *hw,
                                struct ieee80211_vif *vif,
                                struct ieee80211_sta *sta)
{
        struct rtl_priv *rtlpriv = rtl_priv(hw);
        struct rtl_sta_info *sta_entry;

        if (sta) {
                rtl_dbg(rtlpriv, COMP_MAC80211, DBG_DMESG,
                        "Remove sta addr is %pM\n", sta->addr);
                sta_entry = (struct rtl_sta_info *)sta->drv_priv;
                sta_entry->wireless_mode = 0;
                sta_entry->ratr_index = 0;
                spin_lock_bh(&rtlpriv->locks.entry_list_lock);
                list_del(&sta_entry->list);
                spin_unlock_bh(&rtlpriv->locks.entry_list_lock);
        }
        return 0;
}

static int _rtl_get_hal_qnum(u16 queue)
{
        int qnum;

        switch (queue) {
        case 0:
                qnum = AC3_VO;
                break;
        case 1:
                qnum = AC2_VI;
                break;
        case 2:
                qnum = AC0_BE;
                break;
        case 3:
                qnum = AC1_BK;
                break;
        default:
                qnum = AC0_BE;
                break;
        }
        return qnum;
}

/*
 *for mac80211 VO = 0, VI = 1, BE = 2, BK = 3
 *for rtl819x  BE = 0, BK = 1, VI = 2, VO = 3
 */
static int rtl_op_conf_tx(struct ieee80211_hw *hw,
                          struct ieee80211_vif *vif,
                          unsigned int link_id, u16 queue,
                          const struct ieee80211_tx_queue_params *param)
{
        struct rtl_priv *rtlpriv = rtl_priv(hw);
        struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
        int aci;

        if (queue >= AC_MAX) {
                rtl_dbg(rtlpriv, COMP_ERR, DBG_WARNING,
                        "queue number %d is incorrect!\n", queue);
                return -EINVAL;
        }

        aci = _rtl_get_hal_qnum(queue);
        mac->ac[aci].aifs = param->aifs;
        mac->ac[aci].cw_min = cpu_to_le16(param->cw_min);
        mac->ac[aci].cw_max = cpu_to_le16(param->cw_max);
        mac->ac[aci].tx_op = cpu_to_le16(param->txop);
        memcpy(&mac->edca_param[aci], param, sizeof(*param));
        rtlpriv->cfg->ops->set_qos(hw, aci);
        return 0;
}

static void send_beacon_frame(struct ieee80211_hw *hw,
                              struct ieee80211_vif *vif)
{
        struct rtl_priv *rtlpriv = rtl_priv(hw);
        struct sk_buff *skb = ieee80211_beacon_get(hw, vif, 0);
        struct rtl_tcb_desc tcb_desc;

        if (skb) {
                memset(&tcb_desc, 0, sizeof(struct rtl_tcb_desc));
                rtlpriv->intf_ops->adapter_tx(hw, NULL, skb, &tcb_desc);
        }
}

void rtl_update_beacon_work_callback(struct work_struct *work)
{
        struct rtl_works *rtlworks =
            container_of(work, struct rtl_works, update_beacon_work);
        struct ieee80211_hw *hw = rtlworks->hw;
        struct rtl_priv *rtlpriv = rtl_priv(hw);
        struct ieee80211_vif *vif = rtlpriv->mac80211.vif;

        if (!vif) {
                WARN_ONCE(true, "no vif to update beacon\n");
                return;
        }

        mutex_lock(&rtlpriv->locks.conf_mutex);
        send_beacon_frame(hw, vif);
        mutex_unlock(&rtlpriv->locks.conf_mutex);
}
EXPORT_SYMBOL_GPL(rtl_update_beacon_work_callback);

static void rtl_op_bss_info_changed(struct ieee80211_hw *hw,
                                    struct ieee80211_vif *vif,
                                    struct ieee80211_bss_conf *bss_conf,
                                    u64 changed)
{
        struct rtl_priv *rtlpriv = rtl_priv(hw);
        struct rtl_hal *rtlhal = rtl_hal(rtlpriv);
        struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
        struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));

        mutex_lock(&rtlpriv->locks.conf_mutex);
        if (vif->type == NL80211_IFTYPE_ADHOC ||
            vif->type == NL80211_IFTYPE_AP ||
            vif->type == NL80211_IFTYPE_MESH_POINT) {
                if (changed & BSS_CHANGED_BEACON ||
                    (changed & BSS_CHANGED_BEACON_ENABLED &&
                     bss_conf->enable_beacon)) {
                        if (mac->beacon_enabled == 0) {
                                rtl_dbg(rtlpriv, COMP_MAC80211, DBG_DMESG,
                                        "BSS_CHANGED_BEACON_ENABLED\n");

                                /*start hw beacon interrupt. */
                                /*rtlpriv->cfg->ops->set_bcn_reg(hw); */
                                mac->beacon_enabled = 1;
                                rtlpriv->cfg->ops->update_interrupt_mask(hw,
                                                rtlpriv->cfg->maps
                                                [RTL_IBSS_INT_MASKS], 0);

                                if (rtlpriv->cfg->ops->linked_set_reg)
                                        rtlpriv->cfg->ops->linked_set_reg(hw);
                                send_beacon_frame(hw, vif);
                        }
                }
                if ((changed & BSS_CHANGED_BEACON_ENABLED &&
                    !bss_conf->enable_beacon)) {
                        if (mac->beacon_enabled == 1) {
                                rtl_dbg(rtlpriv, COMP_MAC80211, DBG_DMESG,
                                        "ADHOC DISABLE BEACON\n");

                                mac->beacon_enabled = 0;
                                rtlpriv->cfg->ops->update_interrupt_mask(hw, 0,
                                                rtlpriv->cfg->maps
                                                [RTL_IBSS_INT_MASKS]);
                        }
                }
                if (changed & BSS_CHANGED_BEACON_INT) {
                        rtl_dbg(rtlpriv, COMP_BEACON, DBG_TRACE,
                                "BSS_CHANGED_BEACON_INT\n");
                        mac->beacon_interval = bss_conf->beacon_int;
                        rtlpriv->cfg->ops->set_bcn_intv(hw);
                }
        }

        /*TODO: reference to enum ieee80211_bss_change */
        if (changed & BSS_CHANGED_ASSOC) {
                u8 mstatus;

                if (vif->cfg.assoc) {
                        struct ieee80211_sta *sta = NULL;
                        u8 keep_alive = 10;

                        mstatus = RT_MEDIA_CONNECT;
                        /* we should reset all sec info & cam
                         * before set cam after linked, we should not
                         * reset in disassoc, that will cause tkip->wep
                         * fail because some flag will be wrong */
                        /* reset sec info */
                        rtl_cam_reset_sec_info(hw);
                        /* reset cam to fix wep fail issue
                         * when change from wpa to wep */
                        rtl_cam_reset_all_entry(hw);

                        mac->link_state = MAC80211_LINKED;
                        mac->cnt_after_linked = 0;
                        mac->assoc_id = vif->cfg.aid;
                        memcpy(mac->bssid, bss_conf->bssid, ETH_ALEN);

                        if (rtlpriv->cfg->ops->linked_set_reg)
                                rtlpriv->cfg->ops->linked_set_reg(hw);

                        rcu_read_lock();
                        sta = ieee80211_find_sta(vif, (u8 *)bss_conf->bssid);
                        if (!sta) {
                                rcu_read_unlock();
                                goto out;
                        }
                        rtl_dbg(rtlpriv, COMP_EASY_CONCURRENT, DBG_LOUD,
                                "send PS STATIC frame\n");
                        if (rtlpriv->dm.supp_phymode_switch) {
                                if (sta->deflink.ht_cap.ht_supported)
                                        rtl_send_smps_action(hw, sta,
                                                        IEEE80211_SMPS_STATIC);
                        }

                        if (rtlhal->current_bandtype == BAND_ON_5G) {
                                mac->mode = WIRELESS_MODE_A;
                        } else {
                                if (sta->deflink.supp_rates[0] <= 0xf)
                                        mac->mode = WIRELESS_MODE_B;
                                else
                                        mac->mode = WIRELESS_MODE_G;
                        }

                        if (sta->deflink.ht_cap.ht_supported) {
                                if (rtlhal->current_bandtype == BAND_ON_2_4G)
                                        mac->mode = WIRELESS_MODE_N_24G;
                                else
                                        mac->mode = WIRELESS_MODE_N_5G;
                        }

                        if (sta->deflink.vht_cap.vht_supported) {
                                if (rtlhal->current_bandtype == BAND_ON_5G)
                                        mac->mode = WIRELESS_MODE_AC_5G;
                                else
                                        mac->mode = WIRELESS_MODE_AC_24G;
                        }

                        if (vif->type == NL80211_IFTYPE_STATION)
                                rtlpriv->cfg->ops->update_rate_tbl(hw, sta, 0,
                                                                   true);
                        rcu_read_unlock();

                        /* to avoid AP Disassociation caused by inactivity */
                        rtlpriv->cfg->ops->set_hw_reg(hw,
                                                      HW_VAR_KEEP_ALIVE,
                                                      (u8 *)(&keep_alive));

                        rtl_dbg(rtlpriv, COMP_MAC80211, DBG_DMESG,
                                "BSS_CHANGED_ASSOC\n");
                } else {
                        struct cfg80211_bss *bss = NULL;

                        mstatus = RT_MEDIA_DISCONNECT;

                        if (mac->link_state == MAC80211_LINKED)
                                rtl_lps_leave(hw, true);
                        if (ppsc->p2p_ps_info.p2p_ps_mode > P2P_PS_NONE)
                                rtl_p2p_ps_cmd(hw, P2P_PS_DISABLE);
                        mac->link_state = MAC80211_NOLINK;

                        bss = cfg80211_get_bss(hw->wiphy, NULL,
                                               (u8 *)mac->bssid, NULL, 0,
                                               IEEE80211_BSS_TYPE_ESS,
                                               IEEE80211_PRIVACY_OFF);

                        rtl_dbg(rtlpriv, COMP_MAC80211, DBG_DMESG,
                                "bssid = %pMF\n", mac->bssid);

                        if (bss) {
                                cfg80211_unlink_bss(hw->wiphy, bss);
                                cfg80211_put_bss(hw->wiphy, bss);
                                rtl_dbg(rtlpriv, COMP_MAC80211, DBG_DMESG,
                                        "cfg80211_unlink !!\n");
                        }

                        eth_zero_addr(mac->bssid);
                        mac->vendor = PEER_UNKNOWN;
                        mac->mode = 0;

                        rtl_dbg(rtlpriv, COMP_MAC80211, DBG_DMESG,
                                "BSS_CHANGED_UN_ASSOC\n");
                }
                rtlpriv->cfg->ops->set_network_type(hw, vif->type);
                /* For FW LPS:
                 * To tell firmware we have connected or disconnected
                 */
                rtlpriv->cfg->ops->set_hw_reg(hw,
                                              HW_VAR_H2C_FW_JOINBSSRPT,
                                              (u8 *)(&mstatus));
                ppsc->report_linked = (mstatus == RT_MEDIA_CONNECT) ?
                                      true : false;

                if (rtlpriv->cfg->ops->get_btc_status())
                        rtlpriv->btcoexist.btc_ops->btc_mediastatus_notify(
                                                        rtlpriv, mstatus);
        }

        if (changed & BSS_CHANGED_ERP_CTS_PROT) {
                rtl_dbg(rtlpriv, COMP_MAC80211, DBG_TRACE,
                        "BSS_CHANGED_ERP_CTS_PROT\n");
                mac->use_cts_protect = bss_conf->use_cts_prot;
        }

        if (changed & BSS_CHANGED_ERP_PREAMBLE) {
                rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD,
                        "BSS_CHANGED_ERP_PREAMBLE use short preamble:%x\n",
                          bss_conf->use_short_preamble);

                mac->short_preamble = bss_conf->use_short_preamble;
                rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_ACK_PREAMBLE,
                                              (u8 *)(&mac->short_preamble));
        }

        if (changed & BSS_CHANGED_ERP_SLOT) {
                rtl_dbg(rtlpriv, COMP_MAC80211, DBG_TRACE,
                        "BSS_CHANGED_ERP_SLOT\n");

                if (bss_conf->use_short_slot)
                        mac->slot_time = RTL_SLOT_TIME_9;
                else
                        mac->slot_time = RTL_SLOT_TIME_20;

                rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_SLOT_TIME,
                                              (u8 *)(&mac->slot_time));
        }

        if (changed & BSS_CHANGED_HT) {
                struct ieee80211_sta *sta = NULL;

                rtl_dbg(rtlpriv, COMP_MAC80211, DBG_TRACE,
                        "BSS_CHANGED_HT\n");

                rcu_read_lock();
                sta = ieee80211_find_sta(vif, (u8 *)bss_conf->bssid);
                if (sta) {
                        if (sta->deflink.ht_cap.ampdu_density >
                            mac->current_ampdu_density)
                                mac->current_ampdu_density =
                                    sta->deflink.ht_cap.ampdu_density;
                        if (sta->deflink.ht_cap.ampdu_factor <
                            mac->current_ampdu_factor)
                                mac->current_ampdu_factor =
                                    sta->deflink.ht_cap.ampdu_factor;
                }
                rcu_read_unlock();

                rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_SHORTGI_DENSITY,
                                              (u8 *)(&mac->max_mss_density));
                rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_AMPDU_FACTOR,
                                              &mac->current_ampdu_factor);
                rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_AMPDU_MIN_SPACE,
                                              &mac->current_ampdu_density);
        }

        if (changed & BSS_CHANGED_BSSID) {
                u32 basic_rates;
                struct ieee80211_sta *sta = NULL;

                rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BSSID,
                                              (u8 *)bss_conf->bssid);

                rtl_dbg(rtlpriv, COMP_MAC80211, DBG_DMESG,
                        "bssid: %pM\n", bss_conf->bssid);

                mac->vendor = PEER_UNKNOWN;
                memcpy(mac->bssid, bss_conf->bssid, ETH_ALEN);

                rcu_read_lock();
                sta = ieee80211_find_sta(vif, (u8 *)bss_conf->bssid);
                if (!sta) {
                        rcu_read_unlock();
                        goto out;
                }

                if (rtlhal->current_bandtype == BAND_ON_5G) {
                        mac->mode = WIRELESS_MODE_A;
                } else {
                        if (sta->deflink.supp_rates[0] <= 0xf)
                                mac->mode = WIRELESS_MODE_B;
                        else
                                mac->mode = WIRELESS_MODE_G;
                }

                if (sta->deflink.ht_cap.ht_supported) {
                        if (rtlhal->current_bandtype == BAND_ON_2_4G)
                                mac->mode = WIRELESS_MODE_N_24G;
                        else
                                mac->mode = WIRELESS_MODE_N_5G;
                }

                if (sta->deflink.vht_cap.vht_supported) {
                        if (rtlhal->current_bandtype == BAND_ON_5G)
                                mac->mode = WIRELESS_MODE_AC_5G;
                        else
                                mac->mode = WIRELESS_MODE_AC_24G;
                }

                /* just station need it, because ibss & ap mode will
                 * set in sta_add, and will be NULL here */
                if (vif->type == NL80211_IFTYPE_STATION) {
                        struct rtl_sta_info *sta_entry;

                        sta_entry = (struct rtl_sta_info *)sta->drv_priv;
                        sta_entry->wireless_mode = mac->mode;
                }

                if (sta->deflink.ht_cap.ht_supported) {
                        mac->ht_enable = true;

                        /*
                         * for cisco 1252 bw20 it's wrong
                         * if (ht_cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40) {
                         *      mac->bw_40 = true;
                         * }
                         * */
                }

                if (sta->deflink.vht_cap.vht_supported)
                        mac->vht_enable = true;

                if (changed & BSS_CHANGED_BASIC_RATES) {
                        /* for 5G must << RATE_6M_INDEX = 4,
                         * because 5G have no cck rate*/
                        if (rtlhal->current_bandtype == BAND_ON_5G)
                                basic_rates = sta->deflink.supp_rates[1] << 4;
                        else
                                basic_rates = sta->deflink.supp_rates[0];

                        mac->basic_rates = basic_rates;
                        rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BASIC_RATE,
                                        (u8 *)(&basic_rates));
                }
                rcu_read_unlock();
        }
out:
        mutex_unlock(&rtlpriv->locks.conf_mutex);
}

static u64 rtl_op_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
{
        struct rtl_priv *rtlpriv = rtl_priv(hw);
        u64 tsf;

        rtlpriv->cfg->ops->get_hw_reg(hw, HW_VAR_CORRECT_TSF, (u8 *)(&tsf));
        return tsf;
}

static void rtl_op_set_tsf(struct ieee80211_hw *hw,
                           struct ieee80211_vif *vif, u64 tsf)
{
        struct rtl_priv *rtlpriv = rtl_priv(hw);
        struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
        u8 bibss = (mac->opmode == NL80211_IFTYPE_ADHOC) ? 1 : 0;

        mac->tsf = tsf;
        rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_CORRECT_TSF, (u8 *)(&bibss));
}

static void rtl_op_reset_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
{
        struct rtl_priv *rtlpriv = rtl_priv(hw);
        u8 tmp = 0;

        rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_DUAL_TSF_RST, (u8 *)(&tmp));
}

static void rtl_op_sta_notify(struct ieee80211_hw *hw,
                              struct ieee80211_vif *vif,
                              enum sta_notify_cmd cmd,
                              struct ieee80211_sta *sta)
{
        switch (cmd) {
        case STA_NOTIFY_SLEEP:
                break;
        case STA_NOTIFY_AWAKE:
                break;
        default:
                break;
        }
}

static int rtl_op_ampdu_action(struct ieee80211_hw *hw,
                               struct ieee80211_vif *vif,
                               struct ieee80211_ampdu_params *params)
{
        struct rtl_priv *rtlpriv = rtl_priv(hw);
        struct ieee80211_sta *sta = params->sta;
        enum ieee80211_ampdu_mlme_action action = params->action;
        u16 tid = params->tid;
        u16 *ssn = &params->ssn;

        switch (action) {
        case IEEE80211_AMPDU_TX_START:
                rtl_dbg(rtlpriv, COMP_MAC80211, DBG_TRACE,
                        "IEEE80211_AMPDU_TX_START: TID:%d\n", tid);
                return rtl_tx_agg_start(hw, vif, sta, tid, ssn);
        case IEEE80211_AMPDU_TX_STOP_CONT:
        case IEEE80211_AMPDU_TX_STOP_FLUSH:
        case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT:
                rtl_dbg(rtlpriv, COMP_MAC80211, DBG_TRACE,
                        "IEEE80211_AMPDU_TX_STOP: TID:%d\n", tid);
                return rtl_tx_agg_stop(hw, vif, sta, tid);
        case IEEE80211_AMPDU_TX_OPERATIONAL:
                rtl_dbg(rtlpriv, COMP_MAC80211, DBG_TRACE,
                        "IEEE80211_AMPDU_TX_OPERATIONAL:TID:%d\n", tid);
                rtl_tx_agg_oper(hw, sta, tid);
                break;
        case IEEE80211_AMPDU_RX_START:
                rtl_dbg(rtlpriv, COMP_MAC80211, DBG_TRACE,
                        "IEEE80211_AMPDU_RX_START:TID:%d\n", tid);
                return rtl_rx_agg_start(hw, sta, tid);
        case IEEE80211_AMPDU_RX_STOP:
                rtl_dbg(rtlpriv, COMP_MAC80211, DBG_TRACE,
                        "IEEE80211_AMPDU_RX_STOP:TID:%d\n", tid);
                return rtl_rx_agg_stop(hw, sta, tid);
        default:
                pr_err("IEEE80211_AMPDU_ERR!!!!:\n");
                return -EOPNOTSUPP;
        }
        return 0;
}

static void rtl_op_sw_scan_start(struct ieee80211_hw *hw,
                                 struct ieee80211_vif *vif,
                                 const u8 *mac_addr)
{
        struct rtl_priv *rtlpriv = rtl_priv(hw);
        struct rtl_mac *mac = rtl_mac(rtl_priv(hw));

        rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD, "\n");
        mac->act_scanning = true;
        if (rtlpriv->link_info.higher_busytraffic) {
                mac->skip_scan = true;
                return;
        }

        if (rtlpriv->cfg->ops->get_btc_status())
                rtlpriv->btcoexist.btc_ops->btc_scan_notify(rtlpriv, 1);
        else if (rtlpriv->btcoexist.btc_ops)
                rtlpriv->btcoexist.btc_ops->btc_scan_notify_wifi_only(rtlpriv,
                                                                      1);

        if (mac->link_state == MAC80211_LINKED) {
                rtl_lps_leave(hw, true);
                mac->link_state = MAC80211_LINKED_SCANNING;
        } else {
                rtl_ips_nic_on(hw);
        }

        /* Dul mac */
        rtlpriv->rtlhal.load_imrandiqk_setting_for2g = false;

        rtlpriv->cfg->ops->led_control(hw, LED_CTL_SITE_SURVEY);
        rtlpriv->cfg->ops->scan_operation_backup(hw, SCAN_OPT_BACKUP_BAND0);
}

static void rtl_op_sw_scan_complete(struct ieee80211_hw *hw,
                                    struct ieee80211_vif *vif)
{
        struct rtl_priv *rtlpriv = rtl_priv(hw);
        struct rtl_mac *mac = rtl_mac(rtl_priv(hw));

        rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD, "\n");
        mac->act_scanning = false;
        mac->skip_scan = false;

        rtlpriv->btcoexist.btc_info.ap_num = rtlpriv->scan_list.num;

        if (rtlpriv->link_info.higher_busytraffic)
                return;

        /* p2p will use 1/6/11 to scan */
        if (mac->n_channels == 3)
                mac->p2p_in_use = true;
        else
                mac->p2p_in_use = false;
        mac->n_channels = 0;
        /* Dul mac */
        rtlpriv->rtlhal.load_imrandiqk_setting_for2g = false;

        if (mac->link_state == MAC80211_LINKED_SCANNING) {
                mac->link_state = MAC80211_LINKED;
                if (mac->opmode == NL80211_IFTYPE_STATION) {
                        /* fix fwlps issue */
                        rtlpriv->cfg->ops->set_network_type(hw, mac->opmode);
                }
        }

        rtlpriv->cfg->ops->scan_operation_backup(hw, SCAN_OPT_RESTORE);
        if (rtlpriv->cfg->ops->get_btc_status())
                rtlpriv->btcoexist.btc_ops->btc_scan_notify(rtlpriv, 0);
        else if (rtlpriv->btcoexist.btc_ops)
                rtlpriv->btcoexist.btc_ops->btc_scan_notify_wifi_only(rtlpriv,
                                                                      0);
}

static int rtl_op_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
                          struct ieee80211_vif *vif, struct ieee80211_sta *sta,
                          struct ieee80211_key_conf *key)
{
        struct rtl_priv *rtlpriv = rtl_priv(hw);
        u8 key_type = NO_ENCRYPTION;
        u8 key_idx;
        bool group_key = false;
        bool wep_only = false;
        int err = 0;
        u8 mac_addr[ETH_ALEN];
        u8 bcast_addr[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };

        rtlpriv->btcoexist.btc_info.in_4way = false;

        if (rtlpriv->cfg->mod_params->sw_crypto || rtlpriv->sec.use_sw_sec) {
                rtl_dbg(rtlpriv, COMP_ERR, DBG_WARNING,
                        "not open hw encryption\n");
                return -ENOSPC; /*User disabled HW-crypto */
        }
        /* To support IBSS, use sw-crypto for GTK */
        if ((vif->type == NL80211_IFTYPE_ADHOC ||
             vif->type == NL80211_IFTYPE_MESH_POINT) &&
            !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE))
                return -ENOSPC;
        rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG,
                "%s hardware based encryption for keyidx: %d, mac: %pM\n",
                cmd == SET_KEY ? "Using" : "Disabling", key->keyidx,
                sta ? sta->addr : bcast_addr);
        rtlpriv->sec.being_setkey = true;
        rtl_ips_nic_on(hw);
        mutex_lock(&rtlpriv->locks.conf_mutex);
        /* <1> get encryption alg */

        switch (key->cipher) {
        case WLAN_CIPHER_SUITE_WEP40:
                key_type = WEP40_ENCRYPTION;
                rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG, "alg:WEP40\n");
                break;
        case WLAN_CIPHER_SUITE_WEP104:
                rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG, "alg:WEP104\n");
                key_type = WEP104_ENCRYPTION;
                break;
        case WLAN_CIPHER_SUITE_TKIP:
                key_type = TKIP_ENCRYPTION;
                rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG, "alg:TKIP\n");
                break;
        case WLAN_CIPHER_SUITE_CCMP:
                key_type = AESCCMP_ENCRYPTION;
                rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG, "alg:CCMP\n");
                break;
        case WLAN_CIPHER_SUITE_AES_CMAC:
                /* HW don't support CMAC encryption,
                 * use software CMAC encryption
                 */
                key_type = AESCMAC_ENCRYPTION;
                rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG, "alg:CMAC\n");
                rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG,
                        "HW don't support CMAC encryption, use software CMAC encryption\n");
                err = -EOPNOTSUPP;
                goto out_unlock;
        default:
                pr_err("alg_err:%x!!!!:\n", key->cipher);
                goto out_unlock;
        }
        if (key_type == WEP40_ENCRYPTION ||
           key_type == WEP104_ENCRYPTION ||
           vif->type == NL80211_IFTYPE_ADHOC)
                rtlpriv->sec.use_defaultkey = true;

        /* <2> get key_idx */
        key_idx = (u8) (key->keyidx);
        if (key_idx > 3)
                goto out_unlock;
        /* <3> if pairwise key enable_hw_sec */
        group_key = !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE);

        /* wep always be group key, but there are two conditions:
         * 1) wep only: is just for wep enc, in this condition
         * rtlpriv->sec.pairwise_enc_algorithm == NO_ENCRYPTION
         * will be true & enable_hw_sec will be set when wep
         * ke setting.
         * 2) wep(group) + AES(pairwise): some AP like cisco
         * may use it, in this condition enable_hw_sec will not
         * be set when wep key setting */
        /* we must reset sec_info after lingked before set key,
         * or some flag will be wrong*/
        if (vif->type == NL80211_IFTYPE_AP ||
                vif->type == NL80211_IFTYPE_MESH_POINT) {
                if (!group_key || key_type == WEP40_ENCRYPTION ||
                        key_type == WEP104_ENCRYPTION) {
                        if (group_key)
                                wep_only = true;
                        rtlpriv->cfg->ops->enable_hw_sec(hw);
                }
        } else {
                if (!group_key || vif->type == NL80211_IFTYPE_ADHOC ||
                    rtlpriv->sec.pairwise_enc_algorithm == NO_ENCRYPTION) {
                        if (rtlpriv->sec.pairwise_enc_algorithm ==
                            NO_ENCRYPTION &&
                           (key_type == WEP40_ENCRYPTION ||
                            key_type == WEP104_ENCRYPTION))
                                wep_only = true;
                        rtlpriv->sec.pairwise_enc_algorithm = key_type;
                        rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG,
                                "set enable_hw_sec, key_type:%x(OPEN:0 WEP40:1 TKIP:2 AES:4 WEP104:5)\n",
                                key_type);
                        rtlpriv->cfg->ops->enable_hw_sec(hw);
                }
        }
        /* <4> set key based on cmd */
        switch (cmd) {
        case SET_KEY:
                if (wep_only) {
                        rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG,
                                "set WEP(group/pairwise) key\n");
                        /* Pairwise key with an assigned MAC address. */
                        rtlpriv->sec.pairwise_enc_algorithm = key_type;
                        rtlpriv->sec.group_enc_algorithm = key_type;
                        /*set local buf about wep key. */
                        memcpy(rtlpriv->sec.key_buf[key_idx],
                               key->key, key->keylen);
                        rtlpriv->sec.key_len[key_idx] = key->keylen;
                        eth_zero_addr(mac_addr);
                } else if (group_key) { /* group key */
                        rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG,
                                "set group key\n");
                        /* group key */
                        rtlpriv->sec.group_enc_algorithm = key_type;
                        /*set local buf about group key. */
                        memcpy(rtlpriv->sec.key_buf[key_idx],
                               key->key, key->keylen);
                        rtlpriv->sec.key_len[key_idx] = key->keylen;
                        eth_broadcast_addr(mac_addr);
                } else {        /* pairwise key */
                        rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG,
                                "set pairwise key\n");
                        if (!sta) {
                                WARN_ONCE(true,
                                          "rtlwifi: pairwise key without mac_addr\n");

                                err = -EOPNOTSUPP;
                                goto out_unlock;
                        }
                        /* Pairwise key with an assigned MAC address. */
                        rtlpriv->sec.pairwise_enc_algorithm = key_type;
                        /*set local buf about pairwise key. */
                        memcpy(rtlpriv->sec.key_buf[PAIRWISE_KEYIDX],
                               key->key, key->keylen);
                        rtlpriv->sec.key_len[PAIRWISE_KEYIDX] = key->keylen;
                        rtlpriv->sec.pairwise_key =
                            rtlpriv->sec.key_buf[PAIRWISE_KEYIDX];
                        memcpy(mac_addr, sta->addr, ETH_ALEN);
                }
                rtlpriv->cfg->ops->set_key(hw, key_idx, mac_addr,
                                           group_key, key_type, wep_only,
                                           false);
                /* <5> tell mac80211 do something: */
                /*must use sw generate IV, or can not work !!!!. */
                key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV;
                key->hw_key_idx = key_idx;
                if (key_type == TKIP_ENCRYPTION)
                        key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC;
                /*use software CCMP encryption for management frames (MFP) */
                if (key_type == AESCCMP_ENCRYPTION)
                        key->flags |= IEEE80211_KEY_FLAG_SW_MGMT_TX;
                break;
        case DISABLE_KEY:
                rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG,
                        "disable key delete one entry\n");
                /*set local buf about wep key. */
                if (vif->type == NL80211_IFTYPE_AP ||
                        vif->type == NL80211_IFTYPE_MESH_POINT) {
                        if (sta)
                                rtl_cam_del_entry(hw, sta->addr);
                }
                memset(rtlpriv->sec.key_buf[key_idx], 0, key->keylen);
                rtlpriv->sec.key_len[key_idx] = 0;
                eth_zero_addr(mac_addr);
                /*
                 *mac80211 will delete entries one by one,
                 *so don't use rtl_cam_reset_all_entry
                 *or clear all entry here.
                 */
                rtl_wait_tx_report_acked(hw, 500); /* wait 500ms for TX ack */

                rtl_cam_delete_one_entry(hw, mac_addr, key_idx);
                break;
        default:
                pr_err("cmd_err:%x!!!!:\n", cmd);
        }
out_unlock:
        mutex_unlock(&rtlpriv->locks.conf_mutex);
        rtlpriv->sec.being_setkey = false;
        return err;
}

static void rtl_op_rfkill_poll(struct ieee80211_hw *hw)
{
        struct rtl_priv *rtlpriv = rtl_priv(hw);

        bool radio_state;
        bool blocked;
        u8 valid = 0;

        if (!test_bit(RTL_STATUS_INTERFACE_START, &rtlpriv->status))
                return;

        mutex_lock(&rtlpriv->locks.conf_mutex);

        /*if Radio On return true here */
        radio_state = rtlpriv->cfg->ops->radio_onoff_checking(hw, &valid);

        if (valid) {
                if (unlikely(radio_state != rtlpriv->rfkill.rfkill_state)) {
                        rtlpriv->rfkill.rfkill_state = radio_state;

                        rtl_dbg(rtlpriv, COMP_RF, DBG_DMESG,
                                "wireless radio switch turned %s\n",
                                radio_state ? "on" : "off");

                        blocked = !rtlpriv->rfkill.rfkill_state;
                        wiphy_rfkill_set_hw_state(hw->wiphy, blocked);
                }
        }

        mutex_unlock(&rtlpriv->locks.conf_mutex);
}

/* this function is called by mac80211 to flush tx buffer
 * before switch channle or power save, or tx buffer packet
 * maybe send after offchannel or rf sleep, this may cause
 * dis-association by AP */
static void rtl_op_flush(struct ieee80211_hw *hw,
                         struct ieee80211_vif *vif,
                         u32 queues,
                         bool drop)
{
        struct rtl_priv *rtlpriv = rtl_priv(hw);

        if (rtlpriv->intf_ops->flush)
                rtlpriv->intf_ops->flush(hw, queues, drop);
}

static int rtl_op_set_tim(struct ieee80211_hw *hw, struct ieee80211_sta *sta,
                          bool set)
{
        struct rtl_priv *rtlpriv = rtl_priv(hw);
        struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));

        if (rtlhal->hw_type == HARDWARE_TYPE_RTL8192CU)
                schedule_work(&rtlpriv->works.update_beacon_work);

        return 0;
}

/*      Description:
 *              This routine deals with the Power Configuration CMD
 *               parsing for RTL8723/RTL8188E Series IC.
 *      Assumption:
 *              We should follow specific format that was released from HW SD.
 */
bool rtl_hal_pwrseqcmdparsing(struct rtl_priv *rtlpriv, u8 cut_version,
                              u8 faversion, u8 interface_type,
                              struct wlan_pwr_cfg pwrcfgcmd[])
{
        struct wlan_pwr_cfg cfg_cmd;
        bool polling_bit = false;
        u32 ary_idx = 0;
        u8 value = 0;
        u32 offset = 0;
        u32 polling_count = 0;
        u32 max_polling_cnt = 5000;

        do {
                cfg_cmd = pwrcfgcmd[ary_idx];
                rtl_dbg(rtlpriv, COMP_INIT, DBG_TRACE,
                        "%s: offset(%#x),cut_msk(%#x), famsk(%#x), interface_msk(%#x), base(%#x), cmd(%#x), msk(%#x), value(%#x)\n",
                        __func__,
                        GET_PWR_CFG_OFFSET(cfg_cmd),
                                           GET_PWR_CFG_CUT_MASK(cfg_cmd),
                        GET_PWR_CFG_FAB_MASK(cfg_cmd),
                                             GET_PWR_CFG_INTF_MASK(cfg_cmd),
                        GET_PWR_CFG_BASE(cfg_cmd), GET_PWR_CFG_CMD(cfg_cmd),
                        GET_PWR_CFG_MASK(cfg_cmd), GET_PWR_CFG_VALUE(cfg_cmd));

                if ((GET_PWR_CFG_FAB_MASK(cfg_cmd)&faversion) &&
                    (GET_PWR_CFG_CUT_MASK(cfg_cmd)&cut_version) &&
                    (GET_PWR_CFG_INTF_MASK(cfg_cmd)&interface_type)) {
                        switch (GET_PWR_CFG_CMD(cfg_cmd)) {
                        case PWR_CMD_READ:
                                rtl_dbg(rtlpriv, COMP_INIT, DBG_TRACE,
                                        "rtl_hal_pwrseqcmdparsing(): PWR_CMD_READ\n");
                                break;
                        case PWR_CMD_WRITE:
                                rtl_dbg(rtlpriv, COMP_INIT, DBG_TRACE,
                                        "%s(): PWR_CMD_WRITE\n", __func__);
                                offset = GET_PWR_CFG_OFFSET(cfg_cmd);

                                /*Read the value from system register*/
                                value = rtl_read_byte(rtlpriv, offset);
                                value &= (~(GET_PWR_CFG_MASK(cfg_cmd)));
                                value |= (GET_PWR_CFG_VALUE(cfg_cmd) &
                                          GET_PWR_CFG_MASK(cfg_cmd));

                                /*Write the value back to system register*/
                                rtl_write_byte(rtlpriv, offset, value);
                                break;
                        case PWR_CMD_POLLING:
                                rtl_dbg(rtlpriv, COMP_INIT, DBG_TRACE,
                                        "rtl_hal_pwrseqcmdparsing(): PWR_CMD_POLLING\n");
                                polling_bit = false;
                                offset = GET_PWR_CFG_OFFSET(cfg_cmd);

                                do {
                                        value = rtl_read_byte(rtlpriv, offset);

                                        value &= GET_PWR_CFG_MASK(cfg_cmd);
                                        if (value ==
                                            (GET_PWR_CFG_VALUE(cfg_cmd) &
                                             GET_PWR_CFG_MASK(cfg_cmd)))
                                                polling_bit = true;
                                        else
                                                udelay(10);

                                        if (polling_count++ > max_polling_cnt)
                                                return false;
                                } while (!polling_bit);
                                break;
                        case PWR_CMD_DELAY:
                                rtl_dbg(rtlpriv, COMP_INIT, DBG_TRACE,
                                        "%s: PWR_CMD_DELAY\n", __func__);
                                if (GET_PWR_CFG_VALUE(cfg_cmd) ==
                                    PWRSEQ_DELAY_US)
                                        udelay(GET_PWR_CFG_OFFSET(cfg_cmd));
                                else
                                        mdelay(GET_PWR_CFG_OFFSET(cfg_cmd));
                                break;
                        case PWR_CMD_END:
                                rtl_dbg(rtlpriv, COMP_INIT, DBG_TRACE,
                                        "%s: PWR_CMD_END\n", __func__);
                                return true;
                        default:
                                WARN_ONCE(true,
                                          "rtlwifi: rtl_hal_pwrseqcmdparsing(): Unknown CMD!!\n");
                                break;
                        }
                }
                ary_idx++;
        } while (1);

        return true;
}
EXPORT_SYMBOL(rtl_hal_pwrseqcmdparsing);

bool rtl_cmd_send_packet(struct ieee80211_hw *hw, struct sk_buff *skb)
{
        struct rtl_priv *rtlpriv = rtl_priv(hw);
        struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
        struct rtl8192_tx_ring *ring;
        struct rtl_tx_desc *pdesc;
        unsigned long flags;
        struct sk_buff *pskb = NULL;

        ring = &rtlpci->tx_ring[BEACON_QUEUE];

        spin_lock_irqsave(&rtlpriv->locks.irq_th_lock, flags);
        pskb = __skb_dequeue(&ring->queue);
        if (pskb)
                dev_kfree_skb_irq(pskb);

        /*this is wrong, fill_tx_cmddesc needs update*/
        pdesc = &ring->desc[0];

        rtlpriv->cfg->ops->fill_tx_cmddesc(hw, (u8 *)pdesc, skb);

        __skb_queue_tail(&ring->queue, skb);

        spin_unlock_irqrestore(&rtlpriv->locks.irq_th_lock, flags);

        rtlpriv->cfg->ops->tx_polling(hw, BEACON_QUEUE);

        return true;
}
EXPORT_SYMBOL(rtl_cmd_send_packet);

void rtl_init_sw_leds(struct ieee80211_hw *hw)
{
        struct rtl_priv *rtlpriv = rtl_priv(hw);

        rtlpriv->ledctl.sw_led0 = LED_PIN_LED0;
        rtlpriv->ledctl.sw_led1 = LED_PIN_LED1;
}
EXPORT_SYMBOL(rtl_init_sw_leds);

const struct ieee80211_ops rtl_ops = {
        .add_chanctx = ieee80211_emulate_add_chanctx,
        .remove_chanctx = ieee80211_emulate_remove_chanctx,
        .change_chanctx = ieee80211_emulate_change_chanctx,
        .switch_vif_chanctx = ieee80211_emulate_switch_vif_chanctx,
        .start = rtl_op_start,
        .stop = rtl_op_stop,
        .tx = rtl_op_tx,
        .wake_tx_queue = ieee80211_handle_wake_tx_queue,
        .add_interface = rtl_op_add_interface,
        .remove_interface = rtl_op_remove_interface,
        .change_interface = rtl_op_change_interface,
#ifdef CONFIG_PM
        .suspend = rtl_op_suspend,
        .resume = rtl_op_resume,
#endif
        .config = rtl_op_config,
        .configure_filter = rtl_op_configure_filter,
        .set_key = rtl_op_set_key,
        .conf_tx = rtl_op_conf_tx,
        .bss_info_changed = rtl_op_bss_info_changed,
        .get_tsf = rtl_op_get_tsf,
        .set_tsf = rtl_op_set_tsf,
        .reset_tsf = rtl_op_reset_tsf,
        .sta_notify = rtl_op_sta_notify,
        .ampdu_action = rtl_op_ampdu_action,
        .sw_scan_start = rtl_op_sw_scan_start,
        .sw_scan_complete = rtl_op_sw_scan_complete,
        .rfkill_poll = rtl_op_rfkill_poll,
        .sta_add = rtl_op_sta_add,
        .sta_remove = rtl_op_sta_remove,
        .flush = rtl_op_flush,
        .set_tim = rtl_op_set_tim,
};
EXPORT_SYMBOL_GPL(rtl_ops);

bool rtl_btc_status_false(void)
{
        return false;
}
EXPORT_SYMBOL_GPL(rtl_btc_status_false);

void rtl_dm_diginit(struct ieee80211_hw *hw, u32 cur_igvalue)
{
        struct rtl_priv *rtlpriv = rtl_priv(hw);
        struct dig_t *dm_digtable = &rtlpriv->dm_digtable;

        dm_digtable->dig_enable_flag = true;
        dm_digtable->dig_ext_port_stage = DIG_EXT_PORT_STAGE_MAX;
        dm_digtable->cur_igvalue = cur_igvalue;
        dm_digtable->pre_igvalue = 0;
        dm_digtable->cur_sta_cstate = DIG_STA_DISCONNECT;
        dm_digtable->presta_cstate = DIG_STA_DISCONNECT;
        dm_digtable->curmultista_cstate = DIG_MULTISTA_DISCONNECT;
        dm_digtable->rssi_lowthresh = DM_DIG_THRESH_LOW;
        dm_digtable->rssi_highthresh = DM_DIG_THRESH_HIGH;
        dm_digtable->fa_lowthresh = DM_FALSEALARM_THRESH_LOW;
        dm_digtable->fa_highthresh = DM_FALSEALARM_THRESH_HIGH;
        dm_digtable->rx_gain_max = DM_DIG_MAX;
        dm_digtable->rx_gain_min = DM_DIG_MIN;
        dm_digtable->back_val = DM_DIG_BACKOFF_DEFAULT;
        dm_digtable->back_range_max = DM_DIG_BACKOFF_MAX;
        dm_digtable->back_range_min = DM_DIG_BACKOFF_MIN;
        dm_digtable->pre_cck_cca_thres = 0xff;
        dm_digtable->cur_cck_cca_thres = 0x83;
        dm_digtable->forbidden_igi = DM_DIG_MIN;
        dm_digtable->large_fa_hit = 0;
        dm_digtable->recover_cnt = 0;
        dm_digtable->dig_min_0 = 0x25;
        dm_digtable->dig_min_1 = 0x25;
        dm_digtable->media_connect_0 = false;
        dm_digtable->media_connect_1 = false;
        rtlpriv->dm.dm_initialgain_enable = true;
        dm_digtable->bt30_cur_igi = 0x32;
        dm_digtable->pre_cck_pd_state = CCK_PD_STAGE_MAX;
        dm_digtable->cur_cck_pd_state = CCK_PD_STAGE_LOWRSSI;
        dm_digtable->pre_cck_fa_state = 0;
        dm_digtable->cur_cck_fa_state = 0;
}
EXPORT_SYMBOL(rtl_dm_diginit);