rtl8192ce: Add new driver

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 1029 insertions, 0 deletions

diff --git a/drivers/net/wireless/rtlwifi/core.c b/drivers/net/wireless/rtlwifi/core.c
new file mode 100644
index 000000000000..81b290ff8a94
--- /dev/null
+++ b/drivers/net/wireless/rtlwifi/core.c
@@ -0,0 +1,1029 @@
+/******************************************************************************
+ *
+ * Copyright(c) 2009-2010  Realtek Corporation.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of version 2 of the GNU General Public License 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.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
+ *
+ * The full GNU General Public License is included in this distribution in the
+ * file called LICENSE.
+ *
+ * Contact Information:
+ * wlanfae <wlanfae@realtek.com>
+ * Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park,
+ * Hsinchu 300, Taiwan.
+ *
+ * Larry Finger <Larry.Finger@lwfinger.net>
+ *****************************************************************************/
+
+#include "wifi.h"
+#include "core.h"
+#include "cam.h"
+#include "base.h"
+#include "ps.h"
+
+/*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;
+	down(&rtlpriv->locks.conf_sem);
+	err = rtlpriv->intf_ops->adapter_start(hw);
+	if (err)
+		goto out;
+	rtl_watch_dog_timer_callback((unsigned long)hw);
+out:
+	up(&rtlpriv->locks.conf_sem);
+	return err;
+}
+
+static void rtl_op_stop(struct ieee80211_hw *hw)
+{
+	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));
+
+	if (is_hal_stop(rtlhal))
+		return;
+
+	if (unlikely(ppsc->rfpwr_state == ERFOFF)) {
+		rtl_ips_nic_on(hw);
+		mdelay(1);
+	}
+
+	down(&rtlpriv->locks.conf_sem);
+
+	mac->link_state = MAC80211_NOLINK;
+	memset(mac->bssid, 0, 6);
+
+	/*reset sec info */
+	rtl_cam_reset_sec_info(hw);
+
+	rtl_deinit_deferred_work(hw);
+	rtlpriv->intf_ops->adapter_stop(hw);
+
+	up(&rtlpriv->locks.conf_sem);
+}
+
+static int rtl_op_tx(struct ieee80211_hw *hw, 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));
+
+	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;
+
+
+	rtlpriv->intf_ops->adapter_tx(hw, skb);
+
+	return NETDEV_TX_OK;
+
+err_free:
+	dev_kfree_skb_any(skb);
+	return NETDEV_TX_OK;
+}
+
+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;
+
+	if (mac->vif) {
+		RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING,
+			 ("vif has been set!! mac->vif = 0x%p\n", mac->vif));
+		return -EOPNOTSUPP;
+	}
+
+	rtl_ips_nic_on(hw);
+
+	down(&rtlpriv->locks.conf_sem);
+	switch (vif->type) {
+	case NL80211_IFTYPE_STATION:
+		if (mac->beacon_enabled == 1) {
+			RT_TRACE(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:
+		RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
+			 ("NL80211_IFTYPE_ADHOC\n"));
+
+		mac->link_state = MAC80211_LINKED;
+		rtlpriv->cfg->ops->set_bcn_reg(hw);
+		break;
+	case NL80211_IFTYPE_AP:
+		RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
+			 ("NL80211_IFTYPE_AP\n"));
+		break;
+	default:
+		RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
+			 ("operation mode %d is not support!\n", vif->type));
+		err = -EOPNOTSUPP;
+		goto out;
+	}
+
+	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);
+
+out:
+	up(&rtlpriv->locks.conf_sem);
+	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));
+
+	down(&rtlpriv->locks.conf_sem);
+
+	/* Free beacon resources */
+	if ((mac->opmode == NL80211_IFTYPE_AP) ||
+	    (mac->opmode == NL80211_IFTYPE_ADHOC) ||
+	    (mac->opmode == 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->vif = NULL;
+	mac->link_state = MAC80211_NOLINK;
+	memset(mac->bssid, 0, 6);
+	mac->opmode = NL80211_IFTYPE_UNSPECIFIED;
+	rtlpriv->cfg->ops->set_network_type(hw, mac->opmode);
+
+	up(&rtlpriv->locks.conf_sem);
+}
+
+
+static int rtl_op_config(struct ieee80211_hw *hw, 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;
+
+	down(&rtlpriv->locks.conf_sem);
+	if (changed & IEEE80211_CONF_CHANGE_LISTEN_INTERVAL) {	/*BIT(2)*/
+		RT_TRACE(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) {
+		if (conf->flags & IEEE80211_CONF_PS)
+			rtl_lps_enter(hw);
+		else
+			rtl_lps_leave(hw);
+	}
+
+	if (changed & IEEE80211_CONF_CHANGE_RETRY_LIMITS) {
+		RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
+			 ("IEEE80211_CONF_CHANGE_RETRY_LIMITS %x\n",
+			  hw->conf.long_frame_max_tx_count));
+		mac->retry_long = hw->conf.long_frame_max_tx_count;
+		mac->retry_short = hw->conf.long_frame_max_tx_count;
+		rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_RETRY_LIMIT,
+					      (u8 *) (&hw->conf.
+						      long_frame_max_tx_count));
+	}
+
+	if (changed & IEEE80211_CONF_CHANGE_CHANNEL) {
+		struct ieee80211_channel *channel = hw->conf.channel;
+		u8 wide_chan = (u8) channel->hw_value;
+
+		/*
+		 *because we should back channel to
+		 *current_network.chan in 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
+		 */
+		switch (hw->conf.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;
+			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;
+
+			/*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;
+
+			/*wide channel */
+			wide_chan += 2;
+
+			break;
+		default:
+			mac->bw_40 = false;
+			RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
+				 ("switch case not processed\n"));
+			break;
+		}
+
+		if (wide_chan <= 0)
+			wide_chan = 1;
+		rtlphy->current_channel = wide_chan;
+
+		rtlpriv->cfg->ops->set_channel_access(hw);
+		rtlpriv->cfg->ops->switch_channel(hw);
+		rtlpriv->cfg->ops->set_bw_mode(hw,
+					       hw->conf.channel_type);
+	}
+
+	up(&rtlpriv->locks.conf_sem);
+
+	return 0;
+}
+
+static void rtl_op_configure_filter(struct ieee80211_hw *hw,
+			     unsigned int changed_flags,
+			     unsigned int *new_flags, u64 multicast)
+{
+	struct rtl_priv *rtlpriv = rtl_priv(hw);
+	struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
+
+	*new_flags &= RTL_SUPPORTED_FILTERS;
+	if (!changed_flags)
+		return;
+
+	/*TODO: we disable broadcase 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];
+			RT_TRACE(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]);
+			RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
+				 ("Disable receive multicast frame.\n"));
+		}
+	}
+
+	if (changed_flags & FIF_FCSFAIL) {
+		if (*new_flags & FIF_FCSFAIL) {
+			mac->rx_conf |= rtlpriv->cfg->maps[MAC_RCR_ACRC32];
+			RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
+				 ("Enable receive FCS error frame.\n"));
+		} else {
+			mac->rx_conf &= ~rtlpriv->cfg->maps[MAC_RCR_ACRC32];
+			RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
+				 ("Disable receive FCS error frame.\n"));
+		}
+	}
+
+	if (changed_flags & FIF_BCN_PRBRESP_PROMISC) {
+		/*
+		 *TODO: BIT(5) is probe response BIT(8) is beacon
+		 *TODO: Use define for BIT(5) and BIT(8)
+		 */
+		if (*new_flags & FIF_BCN_PRBRESP_PROMISC)
+			mac->rx_mgt_filter |= (BIT(5) | BIT(8));
+		else
+			mac->rx_mgt_filter &= ~(BIT(5) | BIT(8));
+	}
+
+	if (changed_flags & FIF_CONTROL) {
+		if (*new_flags & FIF_CONTROL) {
+			mac->rx_conf |= rtlpriv->cfg->maps[MAC_RCR_ACF];
+			mac->rx_ctrl_filter |= RTL_SUPPORTED_CTRL_FILTER;
+
+			RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
+				 ("Enable receive control frame.\n"));
+		} else {
+			mac->rx_conf &= ~rtlpriv->cfg->maps[MAC_RCR_ACF];
+			mac->rx_ctrl_filter &= ~RTL_SUPPORTED_CTRL_FILTER;
+			RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
+				 ("Disable receive control frame.\n"));
+		}
+	}
+
+	if (changed_flags & FIF_OTHER_BSS) {
+		if (*new_flags & FIF_OTHER_BSS) {
+			mac->rx_conf |= rtlpriv->cfg->maps[MAC_RCR_AAP];
+			RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
+				 ("Enable receive other BSS's frame.\n"));
+		} else {
+			mac->rx_conf &= ~rtlpriv->cfg->maps[MAC_RCR_AAP];
+			RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
+				 ("Disable receive other BSS's frame.\n"));
+		}
+	}
+
+	rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_RCR, (u8 *) (&mac->rx_conf));
+	rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_MGT_FILTER,
+				      (u8 *) (&mac->rx_mgt_filter));
+	rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_CTRL_FILTER,
+				      (u8 *) (&mac->rx_ctrl_filter));
+}
+
+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, 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) {
+		RT_TRACE(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 = param->cw_min;
+	mac->ac[aci].cw_max = param->cw_max;
+	mac->ac[aci].tx_op = param->txop;
+	memcpy(&mac->edca_param[aci], param, sizeof(*param));
+	rtlpriv->cfg->ops->set_qos(hw, aci);
+	return 0;
+}
+
+static void rtl_op_bss_info_changed(struct ieee80211_hw *hw,
+			     struct ieee80211_vif *vif,
+			     struct ieee80211_bss_conf *bss_conf, u32 changed)
+{
+	struct rtl_priv *rtlpriv = rtl_priv(hw);
+	struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
+	struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
+
+	down(&rtlpriv->locks.conf_sem);
+
+	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) {
+				RT_TRACE(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);
+			}
+		} else {
+			if (mac->beacon_enabled == 1) {
+				RT_TRACE(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) {
+			RT_TRACE(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) {
+		if (bss_conf->assoc) {
+			mac->link_state = MAC80211_LINKED;
+			mac->cnt_after_linked = 0;
+			mac->assoc_id = bss_conf->aid;
+			memcpy(mac->bssid, bss_conf->bssid, 6);
+
+			RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG,
+				 ("BSS_CHANGED_ASSOC\n"));
+		} else {
+			if (mac->link_state == MAC80211_LINKED)
+				rtl_lps_leave(hw);
+
+			mac->link_state = MAC80211_NOLINK;
+			memset(mac->bssid, 0, 6);
+
+			/* reset sec info */
+			rtl_cam_reset_sec_info(hw);
+
+			RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG,
+				 ("BSS_CHANGED_UN_ASSOC\n"));
+		}
+	}
+
+	if (changed & BSS_CHANGED_ERP_CTS_PROT) {
+		RT_TRACE(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) {
+		RT_TRACE(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) {
+		RT_TRACE(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;
+
+		RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE,
+			 ("BSS_CHANGED_HT\n"));
+
+		sta = ieee80211_find_sta(mac->vif, mac->bssid);
+
+		if (sta) {
+			if (sta->ht_cap.ampdu_density >
+			    mac->current_ampdu_density)
+				mac->current_ampdu_density =
+				    sta->ht_cap.ampdu_density;
+			if (sta->ht_cap.ampdu_factor <
+			    mac->current_ampdu_factor)
+				mac->current_ampdu_factor =
+				    sta->ht_cap.ampdu_factor;
+		}
+
+		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) {
+		struct ieee80211_sta *sta = NULL;
+		u32 basic_rates;
+		u8 i;
+
+		rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BSSID,
+					      (u8 *) bss_conf->bssid);
+
+		RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG,
+			 (MAC_FMT "\n", MAC_ARG(bss_conf->bssid)));
+
+		memcpy(mac->bssid, bss_conf->bssid, 6);
+		if (is_valid_ether_addr(bss_conf->bssid)) {
+			switch (vif->type) {
+			case NL80211_IFTYPE_UNSPECIFIED:
+				break;
+			case NL80211_IFTYPE_ADHOC:
+				break;
+			case NL80211_IFTYPE_STATION:
+				break;
+			case NL80211_IFTYPE_AP:
+				break;
+			default:
+				RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
+					 ("switch case not process\n"));
+				break;
+			}
+			rtlpriv->cfg->ops->set_network_type(hw, vif->type);
+		} else
+			rtlpriv->cfg->ops->set_network_type(hw,
+					NL80211_IFTYPE_UNSPECIFIED);
+
+		memset(mac->mcs, 0, 16);
+		mac->ht_enable = false;
+		mac->sgi_40 = false;
+		mac->sgi_20 = false;
+
+		if (!bss_conf->use_short_slot)
+			mac->mode = WIRELESS_MODE_B;
+		else
+			mac->mode = WIRELESS_MODE_G;
+
+		sta = ieee80211_find_sta(mac->vif, mac->bssid);
+
+		if (sta) {
+			if (sta->ht_cap.ht_supported) {
+				mac->mode = WIRELESS_MODE_N_24G;
+				mac->ht_enable = true;
+			}
+
+			if (mac->ht_enable) {
+				u16 ht_cap = sta->ht_cap.cap;
+				memcpy(mac->mcs, (u8 *) (&sta->ht_cap.mcs), 16);
+
+				for (i = 0; i < 16; i++)
+					RT_TRACE(rtlpriv, COMP_MAC80211,
+						 DBG_LOUD, ("%x ",
+							    mac->mcs[i]));
+				RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
+					 ("\n"));
+
+				if (ht_cap & IEEE80211_HT_CAP_SGI_40)
+					mac->sgi_40 = true;
+
+				if (ht_cap & IEEE80211_HT_CAP_SGI_20)
+					mac->sgi_20 = true;
+
+				/*
+				 * for cisco 1252 bw20 it's wrong
+				 * if (ht_cap &
+				 *     IEEE80211_HT_CAP_SUP_WIDTH_20_40) {
+				 *	mac->bw_40 = true;
+				 * }
+				 */
+			}
+		}
+
+		/*mac80211 just give us CCK rates any time
+		 *So we add G rate in basic rates when
+		 not in B mode*/
+		if (changed & BSS_CHANGED_BASIC_RATES) {
+			if (mac->mode == WIRELESS_MODE_B)
+				basic_rates = bss_conf->basic_rates | 0x00f;
+			else
+				basic_rates = bss_conf->basic_rates | 0xff0;
+
+			if (!vif)
+				goto out;
+
+			mac->basic_rates = basic_rates;
+			rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BASIC_RATE,
+					(u8 *) (&basic_rates));
+
+			if (rtlpriv->dm.b_useramask)
+				rtlpriv->cfg->ops->update_rate_mask(hw, 0);
+			else
+				rtlpriv->cfg->ops->update_rate_table(hw);
+
+		}
+	}
+
+	/*
+	 * For FW LPS:
+	 * To tell firmware we have connected
+	 * to an AP. For 92SE/CE power save v2.
+	 */
+	if (changed & BSS_CHANGED_ASSOC) {
+		if (bss_conf->assoc) {
+			if (ppsc->b_fwctrl_lps) {
+				u8 mstatus = RT_MEDIA_CONNECT;
+				rtlpriv->cfg->ops->set_hw_reg(hw,
+						      HW_VAR_H2C_FW_JOINBSSRPT,
+						      (u8 *) (&mstatus));
+				ppsc->report_linked = true;
+			}
+		} else {
+			if (ppsc->b_fwctrl_lps) {
+				u8 mstatus = RT_MEDIA_DISCONNECT;
+				rtlpriv->cfg->ops->set_hw_reg(hw,
+						      HW_VAR_H2C_FW_JOINBSSRPT,
+						      (u8 *)(&mstatus));
+				ppsc->report_linked = false;
+			}
+		}
+	}
+
+out:
+	up(&rtlpriv->locks.conf_sem);
+}
+
+static u64 rtl_op_get_tsf(struct ieee80211_hw *hw)
+{
+	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, 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 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,
+			       enum ieee80211_ampdu_mlme_action action,
+			       struct ieee80211_sta *sta, u16 tid, u16 * ssn)
+{
+	struct rtl_priv *rtlpriv = rtl_priv(hw);
+
+	switch (action) {
+	case IEEE80211_AMPDU_TX_START:
+		RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE,
+			 ("IEEE80211_AMPDU_TX_START: TID:%d\n", tid));
+		return rtl_tx_agg_start(hw, sta->addr, tid, ssn);
+		break;
+	case IEEE80211_AMPDU_TX_STOP:
+		RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE,
+			 ("IEEE80211_AMPDU_TX_STOP: TID:%d\n", tid));
+		return rtl_tx_agg_stop(hw, sta->addr, tid);
+		break;
+	case IEEE80211_AMPDU_TX_OPERATIONAL:
+		RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE,
+			 ("IEEE80211_AMPDU_TX_OPERATIONAL:TID:%d\n", tid));
+		break;
+	case IEEE80211_AMPDU_RX_START:
+		RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE,
+			 ("IEEE80211_AMPDU_RX_START:TID:%d\n", tid));
+		break;
+	case IEEE80211_AMPDU_RX_STOP:
+		RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE,
+			 ("IEEE80211_AMPDU_RX_STOP:TID:%d\n", tid));
+		break;
+	default:
+		RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
+			 ("IEEE80211_AMPDU_ERR!!!!:\n"));
+		return -EOPNOTSUPP;
+	}
+	return 0;
+}
+
+static void rtl_op_sw_scan_start(struct ieee80211_hw *hw)
+{
+	struct rtl_priv *rtlpriv = rtl_priv(hw);
+	struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
+
+	mac->act_scanning = true;
+
+	RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, ("\n"));
+
+	if (mac->link_state == MAC80211_LINKED) {
+		rtl_lps_leave(hw);
+		mac->link_state = MAC80211_LINKED_SCANNING;
+	} else
+		rtl_ips_nic_on(hw);
+
+	rtlpriv->cfg->ops->led_control(hw, LED_CTL_SITE_SURVEY);
+	rtlpriv->cfg->ops->scan_operation_backup(hw, SCAN_OPT_BACKUP);
+}
+
+static void rtl_op_sw_scan_complete(struct ieee80211_hw *hw)
+{
+	struct rtl_priv *rtlpriv = rtl_priv(hw);
+	struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
+
+	RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, ("\n"));
+
+	rtlpriv->cfg->ops->scan_operation_backup(hw, SCAN_OPT_RESTORE);
+	mac->act_scanning = false;
+	if (mac->link_state == MAC80211_LINKED_SCANNING) {
+		mac->link_state = MAC80211_LINKED;
+
+		/* fix fwlps issue */
+		rtlpriv->cfg->ops->set_network_type(hw, mac->opmode);
+
+		if (rtlpriv->dm.b_useramask)
+			rtlpriv->cfg->ops->update_rate_mask(hw, 0);
+		else
+			rtlpriv->cfg->ops->update_rate_table(hw);
+
+	}
+
+}
+
+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);
+	struct rtl_mac *mac = rtl_mac(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 };
+	u8 zero_addr[ETH_ALEN] = { 0 };
+
+	if (rtlpriv->cfg->mod_params->sw_crypto || rtlpriv->sec.use_sw_sec) {
+		RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING,
+			 ("not open hw encryption\n"));
+		return -ENOSPC;	/*User disabled HW-crypto */
+	}
+	RT_TRACE(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);
+	down(&rtlpriv->locks.conf_sem);
+	/* <1> get encryption alg */
+	switch (key->cipher) {
+	case WLAN_CIPHER_SUITE_WEP40:
+		key_type = WEP40_ENCRYPTION;
+		RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, ("alg:WEP40\n"));
+		rtlpriv->sec.use_defaultkey = true;
+		break;
+	case WLAN_CIPHER_SUITE_WEP104:
+		RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG,
+			 ("alg:WEP104\n"));
+		key_type = WEP104_ENCRYPTION;
+		rtlpriv->sec.use_defaultkey = true;
+		break;
+	case WLAN_CIPHER_SUITE_TKIP:
+		key_type = TKIP_ENCRYPTION;
+		RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, ("alg:TKIP\n"));
+		if (mac->opmode == NL80211_IFTYPE_ADHOC)
+			rtlpriv->sec.use_defaultkey = true;
+		break;
+	case WLAN_CIPHER_SUITE_CCMP:
+		key_type = AESCCMP_ENCRYPTION;
+		RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, ("alg:CCMP\n"));
+		if (mac->opmode == NL80211_IFTYPE_ADHOC)
+			rtlpriv->sec.use_defaultkey = true;
+		break;
+	default:
+		RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
+			 ("alg_err:%x!!!!:\n", key->cipher));
+		goto out_unlock;
+	}
+	/* <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);
+	if ((!group_key) || (mac->opmode == 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;
+		rtlpriv->cfg->ops->enable_hw_sec(hw);
+	}
+	/* <4> set key based on cmd */
+	switch (cmd) {
+	case SET_KEY:
+		if (wep_only) {
+			RT_TRACE(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;
+			memcpy(mac_addr, zero_addr, ETH_ALEN);
+		} else if (group_key) {	/* group key */
+			RT_TRACE(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;
+			memcpy(mac_addr, bcast_addr, ETH_ALEN);
+		} else {	/* pairwise key */
+			RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG,
+				 ("set pairwise key\n"));
+			if (!sta) {
+				RT_ASSERT(false, ("pairwise key withnot"
+						  "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;
+		break;
+	case DISABLE_KEY:
+		RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG,
+			 ("disable key delete one entry\n"));
+		/*set local buf about wep key. */
+		memset(rtlpriv->sec.key_buf[key_idx], 0, key->keylen);
+		rtlpriv->sec.key_len[key_idx] = 0;
+		memcpy(mac_addr, zero_addr, ETH_ALEN);
+		/*
+		 *mac80211 will delete entrys one by one,
+		 *so don't use rtl_cam_reset_all_entry
+		 *or clear all entry here.
+		 */
+		rtl_cam_delete_one_entry(hw, mac_addr, key_idx);
+		break;
+	default:
+		RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
+			 ("cmd_err:%x!!!!:\n", cmd));
+	}
+out_unlock:
+	up(&rtlpriv->locks.conf_sem);
+	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;
+
+	down(&rtlpriv->locks.conf_sem);
+
+	/*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;
+
+			RT_TRACE(rtlpriv, COMP_RF, DBG_DMESG,
+				 (KERN_INFO "wireless radio switch turned %s\n",
+				  radio_state ? "on" : "off"));
+
+			blocked = (rtlpriv->rfkill.rfkill_state == 1) ? 0 : 1;
+			wiphy_rfkill_set_hw_state(hw->wiphy, blocked);
+		}
+	}
+
+	up(&rtlpriv->locks.conf_sem);
+}
+
+const struct ieee80211_ops rtl_ops = {
+	.start = rtl_op_start,
+	.stop = rtl_op_stop,
+	.tx = rtl_op_tx,
+	.add_interface = rtl_op_add_interface,
+	.remove_interface = rtl_op_remove_interface,
+	.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,
+};