Staging: rtl9192e: fix power usage issues

This patch should allow the driver to consume a lot less power.
Signed-off-by: Ndavid woo <xinhua_wu@realsil.com.cn>
Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>

drivers/staging/rtl8192e/Makefile

 NIC_SELECT = RTL8192E
 
-
 EXTRA_CFLAGS += -DRTL8192E
 EXTRA_CFLAGS += -std=gnu89
 EXTRA_CFLAGS += -O2
 EXTRA_CFLAGS += -DTHOMAS_TURBO
 EXTRA_CFLAGS += -DENABLE_DOT11D
 
-r8192_pci-objs :=		\
+EXTRA_CFLAGS += -DENABLE_IPS
+EXTRA_CFLAGS += -DENABLE_LPS
+
+r8192e_pci-objs :=		\
 	r8192E_core.o		\
 	r8180_93cx6.o		\
 	r8192E_wx.o		\
@@ -31,4 +33,5 @@ r8192_pci-objs :=		\
 	ieee80211/ieee80211_crypt_ccmp.o	\
 	ieee80211/ieee80211_crypt_wep.o
 
-obj-$(CONFIG_RTL8192E) += r8192_pci.o
+obj-$(CONFIG_RTL8192E) += r8192e_pci.o
+

drivers/staging/rtl8192e/ieee80211/ieee80211.h

@@ -180,6 +180,8 @@ typedef struct cb_desc {
         u8 DrvAggrNum;
 	u16 pkt_size;
         u8 reserved12;
+
+	u8 bdhcp;
 }cb_desc, *pcb_desc;
 
 /*--------------------------Define -------------------------------------------*/
@@ -740,6 +742,8 @@ struct ieee80211_snap_hdr {
 #define WLAN_FC_GET_VERS(fc) ((fc) & IEEE80211_FCTL_VERS)
 #define WLAN_FC_GET_TYPE(fc) ((fc) & IEEE80211_FCTL_FTYPE)
 #define WLAN_FC_GET_STYPE(fc) ((fc) & IEEE80211_FCTL_STYPE)
+#define WLAN_FC_MORE_DATA(fc) ((fc) & IEEE80211_FCTL_MOREDATA)
+
 
 #define WLAN_FC_GET_FRAMETYPE(fc) ((fc) & IEEE80211_FCTL_FRAMETYPE)
 #define WLAN_GET_SEQ_FRAG(seq) ((seq) & IEEE80211_SCTL_FRAG)
@@ -1052,7 +1056,7 @@ struct ieee80211_device;
 #define SEC_ALG_NONE            0
 #define SEC_ALG_WEP             1
 #define SEC_ALG_TKIP            2
-#define SEC_ALG_CCMP            3
+#define SEC_ALG_CCMP            4
 
 #define WEP_KEYS 		4
 #define WEP_KEY_LEN		13
@@ -1121,6 +1125,14 @@ enum ieee80211_mfie {
 /* Minimal header; can be used for passing 802.11 frames with sufficient
  * information to determine what type of underlying data type is actually
  * stored in the data. */
+ struct ieee80211_pspoll_hdr {
+        __le16 frame_ctl;
+        __le16 aid;
+	u8 bssid[ETH_ALEN];
+        u8 ta[ETH_ALEN];
+        //u8 payload[0];
+} __attribute__ ((packed));
+
 struct ieee80211_hdr {
         __le16 frame_ctl;
         __le16 duration_id;
@@ -1657,6 +1669,7 @@ struct ieee80211_network {
 	bool ralink_cap_exist;
 	bool atheros_cap_exist;
 	bool cisco_cap_exist;
+	bool marvell_cap_exist;
 	bool unknown_cap_exist;
 //	u8	berp_info;
 	bool	berp_info_valid;
@@ -1862,6 +1875,19 @@ typedef struct _RT_POWER_SAVE_CONTROL
 	// Leisre Poswer Save : Disable RF if connected but traffic is not busy
 	//
 	bool				bLeisurePs;
+	u32				PowerProfile;
+	u8				LpsIdleCount;
+	u8				RegMaxLPSAwakeIntvl;
+	u8				LPSAwakeIntvl;
+
+	u32				CurPsLevel;
+	u32				RegRfPsLevel;
+
+	bool				bFwCtrlLPS;
+	u8				FWCtrlPSMode;
+
+	bool				LinkReqInIPSRFOffPgs;
+	bool				BufConnectinfoBefore;
 
 }RT_POWER_SAVE_CONTROL,*PRT_POWER_SAVE_CONTROL;
 
@@ -1902,14 +1928,121 @@ typedef struct _RT_LINK_DETECT_T{
 
 	u32				NumTxOkInPeriod;
 	u32				NumRxOkInPeriod;
+	u32				NumRxUnicastOkInPeriod;
 	bool				bBusyTraffic;
 }RT_LINK_DETECT_T, *PRT_LINK_DETECT_T;
 
+//added by amy 090330
+typedef enum _HW_VARIABLES{
+	HW_VAR_ETHER_ADDR,
+	HW_VAR_MULTICAST_REG,
+	HW_VAR_BASIC_RATE,
+	HW_VAR_BSSID,
+	HW_VAR_MEDIA_STATUS,
+	HW_VAR_SECURITY_CONF,
+	HW_VAR_BEACON_INTERVAL,
+	HW_VAR_ATIM_WINDOW,
+	HW_VAR_LISTEN_INTERVAL,
+	HW_VAR_CS_COUNTER,
+	HW_VAR_DEFAULTKEY0,
+	HW_VAR_DEFAULTKEY1,
+	HW_VAR_DEFAULTKEY2,
+	HW_VAR_DEFAULTKEY3,
+	HW_VAR_SIFS,
+	HW_VAR_DIFS,
+	HW_VAR_EIFS,
+	HW_VAR_SLOT_TIME,
+	HW_VAR_ACK_PREAMBLE,
+	HW_VAR_CW_CONFIG,
+	HW_VAR_CW_VALUES,
+	HW_VAR_RATE_FALLBACK_CONTROL,
+	HW_VAR_CONTENTION_WINDOW,
+	HW_VAR_RETRY_COUNT,
+	HW_VAR_TR_SWITCH,
+	HW_VAR_COMMAND,			// For Command Register, Annie, 2006-04-07.
+	HW_VAR_WPA_CONFIG,		//2004/08/23, kcwu, for 8187 Security config
+	HW_VAR_AMPDU_MIN_SPACE,	// The spacing between sub-frame. Roger, 2008.07.04.
+	HW_VAR_SHORTGI_DENSITY,	// The density for shortGI. Roger, 2008.07.04.
+	HW_VAR_AMPDU_FACTOR,
+	HW_VAR_MCS_RATE_AVAILABLE,
+	HW_VAR_AC_PARAM,			// For AC Parameters, 2005.12.01, by rcnjko.
+	HW_VAR_ACM_CTRL,			// For ACM Control, Annie, 2005-12-13.
+	HW_VAR_DIS_Req_Qsize,		// For DIS_Reg_Qsize, Joseph
+	HW_VAR_CCX_CHNL_LOAD,		// For CCX 2 channel load request, 2006.05.04.
+	HW_VAR_CCX_NOISE_HISTOGRAM,	// For CCX 2 noise histogram request, 2006.05.04.
+	HW_VAR_CCX_CLM_NHM,			// For CCX 2 parallel channel load request and noise histogram request, 2006.05.12.
+	HW_VAR_TxOPLimit,				// For turbo mode related settings, added by Roger, 2006.12.07
+	HW_VAR_TURBO_MODE,			// For turbo mode related settings, added by Roger, 2006.12.15.
+	HW_VAR_RF_STATE, 			// For change or query RF power state, 061214, rcnjko.
+	HW_VAR_RF_OFF_BY_HW,		// For UI to query if external HW signal disable RF, 061229, rcnjko.
+	HW_VAR_BUS_SPEED, 		// In unit of bps. 2006.07.03, by rcnjko.
+        HW_VAR_SET_DEV_POWER,	// Set to low power, added by LanHsin, 2007.
+
+	//1!!!!!!!!!!!!!!!!!!!!!!!!!!!
+	//1Attention Please!!!<11n or 8190 specific code should be put below this line>
+	//1!!!!!!!!!!!!!!!!!!!!!!!!!!!
+	HW_VAR_RCR,				//for RCR, David 2006,05,11
+	HW_VAR_RATR_0,
+	HW_VAR_RRSR,
+	HW_VAR_CPU_RST,
+	HW_VAR_CECHK_BSSID,
+        HW_VAR_LBK_MODE,			// Set lookback mode, 2008.06.11. added by Roger.
+	// Set HW related setting for 11N AES bug.
+	HW_VAR_AES_11N_FIX,
+	// Set Usb Rx Aggregation
+	HW_VAR_USB_RX_AGGR,
+	HW_VAR_USER_CONTROL_TURBO_MODE,
+	HW_VAR_RETRY_LIMIT,
+#ifndef _RTL8192_EXT_PATCH_
+	HW_VAR_INIT_TX_RATE,  //Get Current Tx rate register. 2008.12.10. Added by tynli
+#endif
+	HW_VAR_TX_RATE_REG,  //Get Current Tx rate register. 2008.12.10. Added by tynli
+	HW_VAR_EFUSE_USAGE, //Get current EFUSE utilization. 2008.12.19. Added by Roger.
+	HW_VAR_EFUSE_BYTES,
+	HW_VAR_AUTOLOAD_STATUS, //Get current autoload status, 0: autoload success, 1: autoload fail. 2008.12.19. Added by Roger.
+	HW_VAR_RF_2R_DISABLE, // 2R disable
+	HW_VAR_SET_RPWM,
+	HW_VAR_H2C_FW_PWRMODE, // For setting FW related H2C cmd structure. by tynli. 2009.2.18
+	HW_VAR_H2C_FW_JOINBSSRPT, // For setting FW related H2C cmd structure. by tynli. 2009.2.18
+	HW_VAR_1X1_RECV_COMBINE,	// For 1T2R but only 1SS, Add by hpfan 2009.04.16 hpfan
+	HW_VAR_STOP_SEND_BEACON,
+	HW_VAR_TSF_TIMER,			// Read from TSF register to get the current TSF timer, by Bruce, 2009-07-22.
+	HW_VAR_IO_CMD,
+	HW_VAR_HANDLE_FW_C2H,		//Added by tynli. For handling FW C2H command. 2009.10.07.
+	HW_VAR_DL_FW_RSVD_PAGE, 		//Added by tynli. Download the packets that FW will use to RSVD page. 2009.10.14.
+	HW_VAR_AID,				//Added by tynli.
+	HW_VAR_HW_SEQ_ENABLE,		//Added by tynli. 2009.10.20.
+	HW_VAR_UPDATE_TSF,			//Added by tynli. 2009.10.22. For Hw count TBTT time.
+	HW_VAR_BCN_VALID,				//Added by tynli.
+	HW_VAR_FWLPS_RF_ON			//Added by tynli. 2009.11.09. For checking if Fw finishs RF on sequence.
+}HW_VARIABLES;
+
+#define RT_CHECK_FOR_HANG_PERIOD 2
 
 struct ieee80211_device {
 	struct net_device *dev;
         struct ieee80211_security sec;
 
+	bool	need_sw_enc;
+#ifdef ENABLE_LPS
+	bool bAwakePktSent;
+	u8  LPSDelayCnt;
+	bool bIsAggregateFrame;
+	bool polling;
+	void (*LeisurePSLeave)(struct net_device *dev);
+#endif
+
+#ifdef ENABLE_IPS
+	bool proto_stoppping;
+	bool wx_set_enc;
+	struct semaphore ips_sem;
+	struct work_struct ips_leave_wq;
+        void (*ieee80211_ips_leave_wq) (struct net_device *dev);
+        void (*ieee80211_ips_leave)(struct net_device *dev);
+#endif
+	void (*SetHwRegHandler)(struct net_device *dev,u8 variable,u8* val);
+	u8   (*rtllib_ap_sec_type)(struct ieee80211_device *ieee);
+
 	//hw security related
 //	u8 hwsec_support; //support?
 	u8 hwsec_active;  //hw security active.
@@ -2316,7 +2449,7 @@ struct ieee80211_device {
 	 * stop_send_bacons is NOT guaranteed to be called only
 	 * after start_send_beacons.
 	 */
-	void (*start_send_beacons) (struct net_device *dev,u16 tx_rate);
+	void (*start_send_beacons) (struct net_device *dev);
 	void (*stop_send_beacons) (struct net_device *dev);
 
 	/* power save mode related */
@@ -2370,6 +2503,19 @@ struct ieee80211_device {
 	u8 priv[0];
 };
 
+#define	RT_RF_OFF_LEVL_ASPM			BIT0	// PCI ASPM
+#define	RT_RF_OFF_LEVL_CLK_REQ		BIT1	// PCI clock request
+#define	RT_RF_OFF_LEVL_PCI_D3			BIT2	// PCI D3 mode
+#define	RT_RF_OFF_LEVL_HALT_NIC		BIT3	// NIC halt, re-initialize hw parameters
+#define	RT_RF_OFF_LEVL_FREE_FW		BIT4	// FW free, re-download the FW
+#define	RT_RF_OFF_LEVL_FW_32K		BIT5	// FW in 32k
+#define	RT_RF_PS_LEVEL_ALWAYS_ASPM	BIT6	// Always enable ASPM and Clock Req in initialization.
+#define	RT_RF_LPS_DISALBE_2R			BIT30	// When LPS is on, disable 2R if no packet is received or transmittd.
+#define	RT_RF_LPS_LEVEL_ASPM			BIT31	// LPS with ASPM
+#define	RT_IN_PS_LEVEL(pPSC, _PS_FLAG)	((pPSC->CurPsLevel & _PS_FLAG) ? true : false)
+#define	RT_CLEAR_PS_LEVEL(pPSC, _PS_FLAG)	(pPSC->CurPsLevel &= (~(_PS_FLAG)))
+#define	RT_SET_PS_LEVEL(pPSC, _PS_FLAG)	(pPSC->CurPsLevel |= _PS_FLAG)
+
 #define IEEE_A            (1<<0)
 #define IEEE_B            (1<<1)
 #define IEEE_G            (1<<2)
@@ -2606,9 +2752,9 @@ extern void ieee80211_stop_scan(struct ieee80211_device *ieee);
 extern void ieee80211_start_scan_syncro(struct ieee80211_device *ieee);
 extern void ieee80211_check_all_nets(struct ieee80211_device *ieee);
 extern void ieee80211_start_protocol(struct ieee80211_device *ieee);
-extern void ieee80211_stop_protocol(struct ieee80211_device *ieee);
+extern void ieee80211_stop_protocol(struct ieee80211_device *ieee,u8 shutdown);
 extern void ieee80211_softmac_start_protocol(struct ieee80211_device *ieee);
-extern void ieee80211_softmac_stop_protocol(struct ieee80211_device *ieee);
+extern void ieee80211_softmac_stop_protocol(struct ieee80211_device *ieee,u8 shutdown);
 extern void ieee80211_reset_queue(struct ieee80211_device *ieee);
 extern void ieee80211_rtl_wake_queue(struct ieee80211_device *ieee);
 extern void ieee80211_rtl_stop_queue(struct ieee80211_device *ieee);
@@ -2795,5 +2941,7 @@ extern int ieee80211_parse_info_param(struct ieee80211_device *ieee,
 		struct ieee80211_rx_stats *stats);
 
 void ieee80211_indicate_packets(struct ieee80211_device *ieee, struct ieee80211_rxb** prxbIndicateArray,u8  index);
+void ieee80211_sta_ps_send_null_frame(struct ieee80211_device *ieee, short pwr);
+void ieee80211_sta_ps_send_pspoll_frame(struct ieee80211_device *ieee);
 #define RT_ASOC_RETRY_LIMIT	5
 #endif /* IEEE80211_H */

drivers/staging/rtl8192e/ieee80211/ieee80211_crypt_ccmp.c

@@ -361,9 +361,9 @@ static int ieee80211_ccmp_decrypt(struct sk_buff *skb, int hdr_len, void *priv)
 
 	if (memcmp(pn, key->rx_pn, CCMP_PN_LEN) <= 0) {
 		if (net_ratelimit()) {
-			printk(KERN_DEBUG "CCMP: replay detected: STA=%pM"
-			       " previous PN %pm received PN %pm\n",
-			       hdr->addr2, key->rx_pn, pn);
+			//printk(KERN_DEBUG "CCMP: replay detected: STA=%pM"
+			//       " previous PN %pm received PN %pm\n",
+			//       hdr->addr2, key->rx_pn, pn);
 		}
 		key->dot11RSNAStatsCCMPReplays++;
 		return -4;

drivers/staging/rtl8192e/ieee80211/ieee80211_rx.c

@@ -312,6 +312,17 @@ static int ieee80211_is_eapol_frame(struct ieee80211_device *ieee,
 	if (skb->len < 24)
 		return 0;
 
+#if 1
+        if (ieee->hwsec_active)
+        {
+                cb_desc *tcb_desc = (cb_desc *)(skb->cb+ MAX_DEV_ADDR_SIZE);
+                tcb_desc->bHwSec = 1;
+
+                if(ieee->need_sw_enc)
+                        tcb_desc->bHwSec = 0;
+        }
+#endif
+
 	hdr = (struct ieee80211_hdr_4addr *) skb->data;
 	fc = le16_to_cpu(hdr->frame_ctl);
 
@@ -406,6 +417,10 @@ ieee80211_rx_frame_decrypt_msdu(struct ieee80211_device* ieee, struct sk_buff *s
 	{
 		cb_desc *tcb_desc = (cb_desc *)(skb->cb+ MAX_DEV_ADDR_SIZE);
 		tcb_desc->bHwSec = 1;
+
+                if(ieee->need_sw_enc)
+                        tcb_desc->bHwSec = 0;
+
 	}
 
 	hdr = (struct ieee80211_hdr_4addr *) skb->data;
@@ -799,7 +814,7 @@ void RxReorderIndicatePacket( struct ieee80211_device *ieee,
 #endif
 }
 
-u8 parse_subframe(struct sk_buff *skb,
+u8 parse_subframe(struct ieee80211_device* ieee,struct sk_buff *skb,
                   struct ieee80211_rx_stats *rx_stats,
 		  struct ieee80211_rxb *rxb,u8* src,u8* dst)
 {
@@ -839,6 +854,7 @@ u8 parse_subframe(struct sk_buff *skb,
 	}
 
 	skb_pull(skb, LLCOffset);
+	ieee->bIsAggregateFrame = bIsAggregateFrame;//added by amy for Leisure PS
 
 	if(!bIsAggregateFrame) {
 		rxb->nr_subframes = 1;
@@ -940,6 +956,7 @@ int ieee80211_rtl_rx(struct ieee80211_device *ieee, struct sk_buff *skb,
 	u8	TID = 0;
 	u16	SeqNum = 0;
 	PRX_TS_RECORD pTS = NULL;
+	bool unicast_packet = false;
 	//bool bIsAggregateFrame = false;
 	//added by amy for reorder
 #ifdef NOT_YET
@@ -1215,6 +1232,24 @@ int ieee80211_rtl_rx(struct ieee80211_device *ieee, struct sk_buff *skb,
         if (memcmp(bssid, ieee->current_network.bssid, ETH_ALEN))
                 goto rx_dropped;
 
+#ifdef ENABLE_LPS
+	if ((ieee->iw_mode == IW_MODE_INFRA)  && (ieee->sta_sleep == 1)
+		&& (ieee->polling)) {
+		if (WLAN_FC_MORE_DATA(fc)) {
+			/* more data bit is set, let's request a new frame from the AP */
+			ieee80211_sta_ps_send_pspoll_frame(ieee);
+		} else {
+			ieee->polling =  false;
+		}
+	}
+#endif
+
+	ieee->need_sw_enc = 0;
+
+        if((!rx_stats->Decrypted)){
+                ieee->need_sw_enc = 1;
+        }
+
 	/* skb: hdr + (possibly fragmented, possibly encrypted) payload */
 
 	if (ieee->host_decrypt && (fc & IEEE80211_FCTL_WEP) &&
@@ -1296,6 +1331,9 @@ int ieee80211_rtl_rx(struct ieee80211_device *ieee, struct sk_buff *skb,
 	ieee->LinkDetectInfo.NumRxOkInPeriod++;
 
 	hdr = (struct ieee80211_hdr_4addr *) skb->data;
+	if((!is_multicast_ether_addr(hdr->addr1)) && (!is_broadcast_ether_addr(hdr->addr1)))
+		unicast_packet = true;
+
 	if (crypt && !(fc & IEEE80211_FCTL_WEP) && !ieee->open_wep) {
 		if (/*ieee->ieee802_1x &&*/
 		    ieee80211_is_eapol_frame(ieee, skb, hdrlen)) {
@@ -1367,7 +1405,7 @@ int ieee80211_rtl_rx(struct ieee80211_device *ieee, struct sk_buff *skb,
 	}
 	/* to parse amsdu packets */
 	/* qos data packets & reserved bit is 1 */
-	if(parse_subframe(skb,rx_stats,rxb,src,dst) == 0) {
+	if(parse_subframe(ieee, skb,rx_stats,rxb,src,dst) == 0) {
 		/* only to free rxb, and not submit the packets to upper layer */
 		for(i =0; i < rxb->nr_subframes; i++) {
 			dev_kfree_skb(rxb->subframes[i]);
@@ -1377,6 +1415,32 @@ int ieee80211_rtl_rx(struct ieee80211_device *ieee, struct sk_buff *skb,
 		goto rx_dropped;
 	}
 
+#ifdef ENABLE_LPS
+		if(unicast_packet)
+		{
+			if (type == IEEE80211_FTYPE_DATA)
+			{
+
+				if(ieee->bIsAggregateFrame)
+					ieee->LinkDetectInfo.NumRxUnicastOkInPeriod+=rxb->nr_subframes;
+				else
+					ieee->LinkDetectInfo.NumRxUnicastOkInPeriod++;
+
+				// 2009.03.03 Leave DC mode immediately when detect high traffic
+				// DbgPrint("ending Seq %d\n", Frame_SeqNum(pduOS));
+				if((ieee->state == IEEE80211_LINKED) /*&& !MgntInitAdapterInProgress(pMgntInfo)*/)
+				{
+					if(	((ieee->LinkDetectInfo.NumRxUnicastOkInPeriod +ieee->LinkDetectInfo.NumTxOkInPeriod) > 8 ) ||
+						(ieee->LinkDetectInfo.NumRxUnicastOkInPeriod > 2) )
+					{
+						if(ieee->LeisurePSLeave)
+							ieee->LeisurePSLeave(dev);
+					}
+				}
+			}
+		}
+#endif
+
 	ieee->last_rx_ps_time = jiffies;
 //added by amy for reorder
 	if(ieee->pHTInfo->bCurRxReorderEnable == false ||pTS == NULL){
@@ -2013,12 +2077,22 @@ int ieee80211_parse_info_param(struct ieee80211_device *ieee,
 				info_element->data[1] == 0x13 &&
 				info_element->data[2] == 0x74))
 			{
-				printk("========>%s(): athros AP is exist\n",__FUNCTION__);
+				//printk("========>%s(): athros AP is exist\n",__FUNCTION__);
 				network->atheros_cap_exist = true;
 			}
 			else
 				network->atheros_cap_exist = false;
 
+			if ((info_element->len >= 3 &&
+						info_element->data[0] == 0x00 &&
+						info_element->data[1] == 0x50 &&
+						info_element->data[2] == 0x43) )
+			{
+				network->marvell_cap_exist = true;
+				//printk("========>%s(): marvel AP is exist\n",__FUNCTION__);
+			}
+
+
 			if(info_element->len >= 3 &&
 				info_element->data[0] == 0x00 &&
 				info_element->data[1] == 0x40 &&
@@ -2219,7 +2293,8 @@ int ieee80211_parse_info_param(struct ieee80211_device *ieee,
 	}
 
 	if(!network->atheros_cap_exist && !network->broadcom_cap_exist &&
-		!network->cisco_cap_exist && !network->ralink_cap_exist && !network->bssht.bdRT2RTAggregation)
+		!network->cisco_cap_exist && !network->ralink_cap_exist && !network->bssht.bdRT2RTAggregation &&
+		!network->marvell_cap_exist)
 	{
 		network->unknown_cap_exist = true;
 	}
@@ -2333,6 +2408,7 @@ static inline int ieee80211_network_init(
         network->broadcom_cap_exist = false;
 	network->ralink_cap_exist = false;
 	network->atheros_cap_exist = false;
+	network->marvell_cap_exist = false;
 	network->cisco_cap_exist = false;
 	network->unknown_cap_exist = false;
 #ifdef THOMAS_TURBO
@@ -2463,6 +2539,7 @@ static inline void update_network(struct ieee80211_network *dst,
 	dst->broadcom_cap_exist = src->broadcom_cap_exist;
 	dst->ralink_cap_exist = src->ralink_cap_exist;
 	dst->atheros_cap_exist = src->atheros_cap_exist;
+	dst->marvell_cap_exist = src->marvell_cap_exist;
 	dst->cisco_cap_exist = src->cisco_cap_exist;
 	dst->unknown_cap_exist = src->unknown_cap_exist;
 	memcpy(dst->wpa_ie, src->wpa_ie, src->wpa_ie_len);
@@ -2761,12 +2838,14 @@ void ieee80211_rx_mgt(struct ieee80211_device *ieee,
 		      struct ieee80211_hdr_4addr *header,
 		      struct ieee80211_rx_stats *stats)
 {
+#if 0
 	if(ieee->sta_sleep || (ieee->ps != IEEE80211_PS_DISABLED &&
 				ieee->iw_mode == IW_MODE_INFRA &&
 				ieee->state == IEEE80211_LINKED))
 	{
 		tasklet_schedule(&ieee->ps_task);
 	}
+#endif
 
 	if(WLAN_FC_GET_STYPE(header->frame_ctl) != IEEE80211_STYPE_PROBE_RESP &&
 		WLAN_FC_GET_STYPE(header->frame_ctl) != IEEE80211_STYPE_BEACON)
@@ -2780,6 +2859,15 @@ void ieee80211_rx_mgt(struct ieee80211_device *ieee,
 		IEEE80211_DEBUG_SCAN("Beacon\n");
 		ieee80211_process_probe_response(
 			ieee, (struct ieee80211_probe_response *)header, stats);
+
+		//printk("----------->%s()\n", __func__);
+		if(ieee->sta_sleep || (ieee->ps != IEEE80211_PS_DISABLED &&
+					ieee->iw_mode == IW_MODE_INFRA &&
+					ieee->state == IEEE80211_LINKED))
+		{
+			tasklet_schedule(&ieee->ps_task);
+		}
+
 		break;
 
 	case IEEE80211_STYPE_PROBE_RESP:

drivers/staging/rtl8192e/ieee80211/ieee80211_softmac.c

@@ -646,7 +646,7 @@ void ieee80211_stop_send_beacons(struct ieee80211_device *ieee)
 void ieee80211_start_send_beacons(struct ieee80211_device *ieee)
 {
 	if(ieee->start_send_beacons)
-		ieee->start_send_beacons(ieee->dev,ieee->basic_rate);
+		ieee->start_send_beacons(ieee->dev);
 	if(ieee->softmac_features & IEEE_SOFTMAC_BEACONS)
 		ieee80211_beacons_start(ieee);
 }
@@ -686,6 +686,11 @@ void ieee80211_stop_scan(struct ieee80211_device *ieee)
 /* called with ieee->lock held */
 void ieee80211_rtl_start_scan(struct ieee80211_device *ieee)
 {
+#ifdef ENABLE_IPS
+	if(ieee->ieee80211_ips_leave_wq != NULL)
+		ieee->ieee80211_ips_leave_wq(ieee->dev);
+#endif
+
 #ifdef ENABLE_DOT11D
 	if(IS_DOT11D_ENABLE(ieee) )
 	{
@@ -1093,6 +1098,40 @@ struct sk_buff* ieee80211_null_func(struct ieee80211_device *ieee,short pwr)
 
 }
 
+struct sk_buff* ieee80211_pspoll_func(struct ieee80211_device *ieee)
+{
+	struct sk_buff *skb;
+	struct ieee80211_pspoll_hdr* hdr;
+
+#ifdef USB_USE_ALIGNMENT
+        u32 Tmpaddr=0;
+        int alignment=0;
+        skb = dev_alloc_skb(sizeof(struct ieee80211_pspoll_hdr) + ieee->tx_headroom + USB_512B_ALIGNMENT_SIZE);
+#else
+	skb = dev_alloc_skb(sizeof(struct ieee80211_pspoll_hdr)+ieee->tx_headroom);
+#endif
+	if (!skb)
+		return NULL;
+
+#ifdef USB_USE_ALIGNMENT
+        Tmpaddr = (u32)skb->data;
+        alignment = Tmpaddr & 0x1ff;
+        skb_reserve(skb,(USB_512B_ALIGNMENT_SIZE - alignment));
+#endif
+	skb_reserve(skb, ieee->tx_headroom);
+
+	hdr = (struct ieee80211_pspoll_hdr*)skb_put(skb,sizeof(struct ieee80211_pspoll_hdr));
+
+	memcpy(hdr->bssid, ieee->current_network.bssid, ETH_ALEN);
+	memcpy(hdr->ta, ieee->dev->dev_addr, ETH_ALEN);
+
+	hdr->aid = cpu_to_le16(ieee->assoc_id | 0xc000);
+	hdr->frame_ctl = cpu_to_le16(IEEE80211_FTYPE_CTL |IEEE80211_STYPE_PSPOLL | IEEE80211_FCTL_PM);
+
+	return skb;
+
+}
+
 
 void ieee80211_resp_to_assoc_rq(struct ieee80211_device *ieee, u8* dest)
 {
@@ -1582,6 +1621,11 @@ void ieee80211_associate_procedure_wq(struct ieee80211_device *ieee)
 {
 #endif
 	ieee->sync_scan_hurryup = 1;
+#ifdef ENABLE_IPS
+	if(ieee->ieee80211_ips_leave != NULL)
+        	ieee->ieee80211_ips_leave(ieee->dev);
+#endif
+
 	down(&ieee->wx_sem);
 
 	if (ieee->data_hard_stop)
@@ -1592,6 +1636,17 @@ void ieee80211_associate_procedure_wq(struct ieee80211_device *ieee)
 	//ieee->set_chan(ieee->dev, ieee->current_network.channel);
 	HTSetConnectBwMode(ieee, HT_CHANNEL_WIDTH_20, HT_EXTCHNL_OFFSET_NO_EXT);
 
+#ifdef ENABLE_IPS
+	if(ieee->eRFPowerState == eRfOff)
+	{
+		if(ieee->ieee80211_ips_leave_wq != NULL)
+			ieee->ieee80211_ips_leave_wq(ieee->dev);
+
+		up(&ieee->wx_sem);
+		return;
+	}
+#endif
+
 	ieee->associate_seq = 1;
 	ieee80211_associate_step1(ieee);
 
@@ -1918,43 +1973,92 @@ void ieee80211_sta_ps_send_null_frame(struct ieee80211_device *ieee, short pwr)
 
 }
 
+void ieee80211_sta_ps_send_pspoll_frame(struct ieee80211_device *ieee)
+{
+
+	struct sk_buff *buf = ieee80211_pspoll_func(ieee);
+
+	if (buf)
+		softmac_ps_mgmt_xmit(buf, ieee);
+
+}
 
 short ieee80211_sta_ps_sleep(struct ieee80211_device *ieee, u32 *time_h, u32 *time_l)
 {
 	int timeout = ieee->ps_timeout;
 	u8 dtim;
-	/*if(ieee->ps == IEEE80211_PS_DISABLED ||
-		ieee->iw_mode != IW_MODE_INFRA ||
-		ieee->state != IEEE80211_LINKED)
+	PRT_POWER_SAVE_CONTROL	pPSC = (PRT_POWER_SAVE_CONTROL)(&(ieee->PowerSaveControl));
 
+	if(ieee->LPSDelayCnt)
+	{
+		//printk("===============>Delay enter LPS for DHCP and ARP packets...\n");
+		ieee->LPSDelayCnt --;
 		return 0;
-	*/
+	}
+
 	dtim = ieee->current_network.dtim_data;
-	//printk("DTIM\n");
+//	printk("%s():DTIM:%d\n",__FUNCTION__,dtim);
 	if(!(dtim & IEEE80211_DTIM_VALID))
 		return 0;
 	timeout = ieee->current_network.beacon_interval; //should we use ps_timeout value or beacon_interval
 	//printk("VALID\n");
 	ieee->current_network.dtim_data = IEEE80211_DTIM_INVALID;
-
-	if(dtim & ((IEEE80211_DTIM_UCAST | IEEE80211_DTIM_MBCAST)& ieee->ps))
+	/* there's no need to nofity AP that I find you buffered with broadcast packet */
+	if(dtim & (IEEE80211_DTIM_UCAST & ieee->ps))
 		return 2;
 
-	if(!time_after(jiffies, ieee->dev->trans_start + MSECS(timeout)))
+	if(!time_after(jiffies, ieee->dev->trans_start + MSECS(timeout))){
+//		printk("%s():111Oh Oh ,it is not time out return 0\n",__FUNCTION__);
 		return 0;
-
-	if(!time_after(jiffies, ieee->last_rx_ps_time + MSECS(timeout)))
+	}
+	if(!time_after(jiffies, ieee->last_rx_ps_time + MSECS(timeout))){
+//		printk("%s():222Oh Oh ,it is not time out return 0\n",__FUNCTION__);
 		return 0;
-
+	}
 	if((ieee->softmac_features & IEEE_SOFTMAC_SINGLE_QUEUE ) &&
 		(ieee->mgmt_queue_tail != ieee->mgmt_queue_head))
 		return 0;
 
 	if(time_l){
+		if(ieee->bAwakePktSent == true) {
+			pPSC->LPSAwakeIntvl = 1;//tx wake one beacon
+		} else {
+			u8		MaxPeriod = 1;
+
+			if(pPSC->LPSAwakeIntvl == 0)
+				pPSC->LPSAwakeIntvl = 1;
+			//pNdisCommon->RegLPSMaxIntvl /// 0x0 - eFastPs, 0xFF -DTIM, 0xNN - 0xNN * BeaconIntvl
+			if(pPSC->RegMaxLPSAwakeIntvl == 0) // Default (0x0 - eFastPs, 0xFF -DTIM, 0xNN - 0xNN * BeaconIntvl)
+				MaxPeriod = 1; // 1 Beacon interval
+			else if(pPSC->RegMaxLPSAwakeIntvl == 0xFF) // DTIM
+				MaxPeriod = ieee->current_network.dtim_period;
+			else
+				MaxPeriod = pPSC->RegMaxLPSAwakeIntvl;
+			pPSC->LPSAwakeIntvl = (pPSC->LPSAwakeIntvl >= MaxPeriod) ? MaxPeriod : (pPSC->LPSAwakeIntvl + 1);
+		}
+		{
+			u8 LPSAwakeIntvl_tmp = 0;
+			u8 period = ieee->current_network.dtim_period;
+			u8 count = ieee->current_network.tim.tim_count;
+			if(count == 0 ) {
+				if(pPSC->LPSAwakeIntvl > period)
+					LPSAwakeIntvl_tmp = period + (pPSC->LPSAwakeIntvl - period) -((pPSC->LPSAwakeIntvl-period)%period);
+				else
+					LPSAwakeIntvl_tmp = pPSC->LPSAwakeIntvl;
+
+			} else {
+				if(pPSC->LPSAwakeIntvl > ieee->current_network.tim.tim_count)
+					LPSAwakeIntvl_tmp = count + (pPSC->LPSAwakeIntvl - count) -((pPSC->LPSAwakeIntvl-count)%period);
+				else
+					LPSAwakeIntvl_tmp = pPSC->LPSAwakeIntvl;//ieee->current_network.tim.tim_count;//pPSC->LPSAwakeIntvl;
+			}
+			//printk("=========>%s()assoc_id:%d(%#x),bAwakePktSent:%d,DTIM:%d, sleep interval:%d, LPSAwakeIntvl_tmp:%d, count:%d\n",__func__,ieee->assoc_id,cpu_to_le16(ieee->assoc_id),ieee->bAwakePktSent,ieee->current_network.dtim_period,pPSC->LPSAwakeIntvl,LPSAwakeIntvl_tmp,count);
+
 		*time_l = ieee->current_network.last_dtim_sta_time[0]
-			+ (ieee->current_network.beacon_interval);
+			+ MSECS(ieee->current_network.beacon_interval * LPSAwakeIntvl_tmp);
 		//	* ieee->current_network.dtim_period) * 1000;
 	}
+	}
 
 	if(time_h){
 		*time_h = ieee->current_network.last_dtim_sta_time[1];
@@ -1982,6 +2086,8 @@ inline void ieee80211_sta_ps(struct ieee80211_device *ieee)
 		ieee->state != IEEE80211_LINKED)){
 
 	//	#warning CHECK_LOCK_HERE
+		printk("=====>%s(): no need to ps,wake up!! ieee->ps is %d,ieee->iw_mode is %d,ieee->state is %d\n",
+			__FUNCTION__,ieee->ps,ieee->iw_mode,ieee->state);
 		spin_lock_irqsave(&ieee->mgmt_tx_lock, flags2);
 
 		ieee80211_sta_wakeup(ieee, 1);
@@ -1991,27 +2097,27 @@ inline void ieee80211_sta_ps(struct ieee80211_device *ieee)
 
 	sleep = ieee80211_sta_ps_sleep(ieee,&th, &tl);
 	/* 2 wake, 1 sleep, 0 do nothing */
-	if(sleep == 0)
+	if(sleep == 0)//it is not time out or dtim is not valid
+	{
+		//printk("===========>sleep is 0,do nothing\n");
 		goto out;
-
+	}
 	if(sleep == 1){
-
-		if(ieee->sta_sleep == 1)
+		//printk("===========>sleep is 1,to sleep\n");
+		if(ieee->sta_sleep == 1){
+			//printk("%s(1): sta_sleep = 1, sleep again ++++++++++ \n", __func__);
 			ieee->enter_sleep_state(ieee->dev,th,tl);
+		}
 
 		else if(ieee->sta_sleep == 0){
 		//	printk("send null 1\n");
 			spin_lock_irqsave(&ieee->mgmt_tx_lock, flags2);
 
 			if(ieee->ps_is_queue_empty(ieee->dev)){
-
-
 				ieee->sta_sleep = 2;
-
 				ieee->ack_tx_to_ieee = 1;
-
+				//printk("%s(2): sta_sleep = 0, notify AP we will sleeped ++++++++++ SendNullFunctionData\n", __func__);
 				ieee80211_sta_ps_send_null_frame(ieee,1);
-
 				ieee->ps_th = th;
 				ieee->ps_tl = tl;
 			}
@@ -2019,11 +2125,13 @@ inline void ieee80211_sta_ps(struct ieee80211_device *ieee)
 
 		}
 
+		ieee->bAwakePktSent = false;//after null to power save we set it to false. not listen every beacon.
 
 	}else if(sleep == 2){
-//#warning CHECK_LOCK_HERE
+		//printk("==========>sleep is 2,to wakeup\n");
 		spin_lock_irqsave(&ieee->mgmt_tx_lock, flags2);
 
+		//printk("%s(3): pkt buffered in ap will awake ++++++++++ ieee80211_sta_wakeup\n", __func__);
 		ieee80211_sta_wakeup(ieee,1);
 
 		spin_unlock_irqrestore(&ieee->mgmt_tx_lock, flags2);
@@ -2038,9 +2146,19 @@ void ieee80211_sta_wakeup(struct ieee80211_device *ieee, short nl)
 {
 	if(ieee->sta_sleep == 0){
 		if(nl){
-			printk("Warning: driver is probably failing to report TX ps error\n");
-			ieee->ack_tx_to_ieee = 1;
-			ieee80211_sta_ps_send_null_frame(ieee, 0);
+			if(ieee->pHTInfo->IOTAction & HT_IOT_ACT_NULL_DATA_POWER_SAVING)
+			{
+				//printk("%s(1): notify AP we are awaked ++++++++++ SendNullFunctionData\n", __func__);
+				//printk("Warning: driver is probably failing to report TX ps error\n");
+				ieee->ack_tx_to_ieee = 1;
+				ieee80211_sta_ps_send_null_frame(ieee, 0);
+			}
+			else
+			{
+				ieee->ack_tx_to_ieee = 1;
+				//printk("%s(2): notify AP we are awaked ++++++++++ Send PS-Poll\n", __func__);
+				ieee80211_sta_ps_send_pspoll_frame(ieee);
+			}
 		}
 		return;
 
@@ -2048,12 +2166,27 @@ void ieee80211_sta_wakeup(struct ieee80211_device *ieee, short nl)
 
 	if(ieee->sta_sleep == 1)
 		ieee->sta_wake_up(ieee->dev);
+	if(nl){
 
-	ieee->sta_sleep = 0;
+			if(ieee->pHTInfo->IOTAction & HT_IOT_ACT_NULL_DATA_POWER_SAVING)
+			{
+				//printk("%s(3): notify AP we are awaked ++++++++++ SendNullFunctionData\n", __func__);
+				//printk("Warning: driver is probably failing to report TX ps error\n");
+				ieee->ack_tx_to_ieee = 1;
+				ieee80211_sta_ps_send_null_frame(ieee, 0);
+			}
+			else
+			{
+				ieee->ack_tx_to_ieee = 1;
+			ieee->polling = true;
+				//printk("%s(4): notify AP we are awaked ++++++++++ Send PS-Poll\n", __func__);
+				//ieee80211_sta_ps_send_null_frame(ieee, 0);
+				ieee80211_sta_ps_send_pspoll_frame(ieee);
+			}
 
-	if(nl){
-		ieee->ack_tx_to_ieee = 1;
-		ieee80211_sta_ps_send_null_frame(ieee, 0);
+	} else {
+		ieee->sta_sleep = 0;
+		ieee->polling = false;
 	}
 }
 
@@ -2067,23 +2200,30 @@ void ieee80211_ps_tx_ack(struct ieee80211_device *ieee, short success)
 		/* Null frame with PS bit set */
 		if(success){
 			ieee->sta_sleep = 1;
+			//printk("notify AP we will sleep and send null ok, so sleep now++++++++++ enter_sleep_state\n");
 			ieee->enter_sleep_state(ieee->dev,ieee->ps_th,ieee->ps_tl);
 		}
-		/* if the card report not success we can't be sure the AP
-		 * has not RXed so we can't assume the AP believe us awake
-		 */
-	}
-	/* 21112005 - tx again null without PS bit if lost */
-	else {
+	} else {/* 21112005 - tx again null without PS bit if lost */
 
 		if((ieee->sta_sleep == 0) && !success){
 			spin_lock_irqsave(&ieee->mgmt_tx_lock, flags2);
-			ieee80211_sta_ps_send_null_frame(ieee, 0);
+			//ieee80211_sta_ps_send_null_frame(ieee, 0);
+			if(ieee->pHTInfo->IOTAction & HT_IOT_ACT_NULL_DATA_POWER_SAVING)
+			{
+				//printk("notify AP we will sleep but send bull failed, so resend++++++++++ SendNullFunctionData\n");
+				ieee80211_sta_ps_send_null_frame(ieee, 0);
+			}
+			else
+			{
+				//printk("notify AP we are awaked but send pspoll failed, so resend++++++++++ Send PS-Poll\n");
+				ieee80211_sta_ps_send_pspoll_frame(ieee);
+			}
 			spin_unlock_irqrestore(&ieee->mgmt_tx_lock, flags2);
 		}
 	}
 	spin_unlock_irqrestore(&ieee->lock, flags);
 }
+
 void ieee80211_process_action(struct ieee80211_device* ieee, struct sk_buff* skb)
 {
 	struct ieee80211_hdr* header = (struct ieee80211_hdr*)skb->data;
@@ -2227,7 +2367,7 @@ ieee80211_rx_frame_softmac(struct ieee80211_device *ieee, struct sk_buff *skb,
 								{
 									if (!ieee->GetNmodeSupportBySecCfg(ieee->dev))
 									{
-												// WEP or TKIP encryption
+										// WEP or TKIP encryption
 										if(IsHTHalfNmodeAPs(ieee))
 										{
 											bSupportNmode = true;
@@ -2238,7 +2378,7 @@ ieee80211_rx_frame_softmac(struct ieee80211_device *ieee, struct sk_buff *skb,
 											bSupportNmode = false;
 											bHalfSupportNmode = false;
 										}
-									printk("==========>to link with AP using SEC(%d, %d)", bSupportNmode, bHalfSupportNmode);
+									printk("==========>to link with AP using SEC(%d, %d)\n", bSupportNmode, bHalfSupportNmode);
 									}
 								}
 								/* Dummy wirless mode setting to avoid encryption issue */
@@ -2574,6 +2714,7 @@ void ieee80211_start_ibss_wq(struct ieee80211_device *ieee)
 		ieee->ssid_set = 1;
 	}
 
+	ieee->state = IEEE80211_NOLINK;
 	/* check if we have this cell in our network list */
 	ieee80211_softmac_check_all_nets(ieee);
 
@@ -2705,6 +2846,10 @@ void ieee80211_start_bss(struct ieee80211_device *ieee)
 	spin_lock_irqsave(&ieee->lock, flags);
 
 	if (ieee->state == IEEE80211_NOLINK){
+#ifdef ENABLE_IPS
+		if(ieee->ieee80211_ips_leave_wq != NULL)
+			ieee->ieee80211_ips_leave_wq(ieee->dev);
+#endif
 		ieee->actscanning = true;
 		ieee80211_rtl_start_scan(ieee);
 	}
@@ -2823,21 +2968,23 @@ struct sk_buff *ieee80211_get_beacon(struct ieee80211_device *ieee)
 	return skb;
 }
 
-void ieee80211_softmac_stop_protocol(struct ieee80211_device *ieee)
+void ieee80211_softmac_stop_protocol(struct ieee80211_device *ieee, u8 shutdown)
 {
 	ieee->sync_scan_hurryup = 1;
 	down(&ieee->wx_sem);
-	ieee80211_stop_protocol(ieee);
+	ieee80211_stop_protocol(ieee, shutdown);
 	up(&ieee->wx_sem);
 }
 
 
-void ieee80211_stop_protocol(struct ieee80211_device *ieee)
+void ieee80211_stop_protocol(struct ieee80211_device *ieee, u8 shutdown)
 {
 	if (!ieee->proto_started)
 		return;
 
-	ieee->proto_started = 0;
+	if(shutdown)
+		ieee->proto_started = 0;
+	ieee->proto_stoppping = 1;
 
 	ieee80211_stop_send_beacons(ieee);
 	del_timer_sync(&ieee->associate_timer);
@@ -2849,6 +2996,8 @@ void ieee80211_stop_protocol(struct ieee80211_device *ieee)
 
 	ieee80211_disassociate(ieee);
 	RemoveAllTS(ieee); //added as we disconnect from the previous BSS, Remove all TS
+
+	ieee->proto_stoppping = 0;
 }
 
 void ieee80211_softmac_start_protocol(struct ieee80211_device *ieee)
@@ -2894,6 +3043,8 @@ void ieee80211_start_protocol(struct ieee80211_device *ieee)
 
 	ieee->init_wmmparam_flag = 0;//reinitialize AC_xx_PARAM registers.
 
+	ieee->state = IEEE80211_NOLINK;
+
 
 	/* if the user set the MAC of the ad-hoc cell and then
 	 * switch to managed mode, shall we  make sure that association
@@ -3013,7 +3164,9 @@ void ieee80211_softmac_init(struct ieee80211_device *ieee)
 #endif
 	sema_init(&ieee->wx_sem, 1);
 	sema_init(&ieee->scan_sem, 1);
-
+#ifdef ENABLE_IPS
+	sema_init(&ieee->ips_sem,1);
+#endif
 	spin_lock_init(&ieee->mgmt_tx_lock);
 	spin_lock_init(&ieee->beacon_lock);
 
@@ -3537,5 +3690,6 @@ EXPORT_SYMBOL_NOVERS(ieee80211_stop_scan);
 EXPORT_SYMBOL_NOVERS(ieee80211_send_probe_requests);
 EXPORT_SYMBOL_NOVERS(ieee80211_softmac_scan_syncro);
 EXPORT_SYMBOL_NOVERS(ieee80211_start_scan_syncro);
+EXPORT_SYMBOL_NOVERS(ieee80211_sta_ps_send_null_frame);
+EXPORT_SYMBOL_NOVERS(ieee80211_sta_ps_send_pspoll_frame);
 #endif
-//EXPORT_SYMBOL(ieee80211_sta_ps_send_null_frame);

drivers/staging/rtl8192e/ieee80211/ieee80211_softmac_wx.c

@@ -160,7 +160,7 @@ int ieee80211_wx_set_wap(struct ieee80211_device *ieee,
 	}
 
 	if (ifup)
-		ieee80211_stop_protocol(ieee);
+		ieee80211_stop_protocol(ieee,true);
 
 	/* just to avoid to give inconsistent infos in the
 	 * get wx method. not really needed otherwise
@@ -302,7 +302,7 @@ int ieee80211_wx_set_mode(struct ieee80211_device *ieee, struct iw_request_info
 	if (!ieee->proto_started){
 		ieee->iw_mode = wrqu->mode;
 	}else{
-		ieee80211_stop_protocol(ieee);
+		ieee80211_stop_protocol(ieee,true);
 		ieee->iw_mode = wrqu->mode;
 		ieee80211_start_protocol(ieee);
 	}
@@ -326,6 +326,17 @@ void ieee80211_wx_sync_scan_wq(struct ieee80211_device *ieee)
 	int b40M = 0;
 	static int count = 0;
 	chan = ieee->current_network.channel;
+
+#ifdef ENABLE_LPS
+	if (ieee->LeisurePSLeave) {
+		ieee->LeisurePSLeave(ieee->dev);
+	}
+
+	/* notify AP to be in PS mode */
+	ieee80211_sta_ps_send_null_frame(ieee, 1);
+	ieee80211_sta_ps_send_null_frame(ieee, 1);
+#endif
+
 	netif_carrier_off(ieee->dev);
 
 	if (ieee->data_hard_stop)
@@ -360,6 +371,12 @@ void ieee80211_wx_sync_scan_wq(struct ieee80211_device *ieee)
 	ieee->InitialGainHandler(ieee->dev,IG_Restore);
 	ieee->state = IEEE80211_LINKED;
 	ieee->link_change(ieee->dev);
+
+#ifdef ENABLE_LPS
+	/* Notify AP that I wake up again */
+	ieee80211_sta_ps_send_null_frame(ieee, 0);
+#endif
+
 	// To prevent the immediately calling watch_dog after scan.
 	if(ieee->LinkDetectInfo.NumRecvBcnInPeriod==0||ieee->LinkDetectInfo.NumRecvDataInPeriod==0 )
 	{
@@ -429,8 +446,9 @@ int ieee80211_wx_set_essid(struct ieee80211_device *ieee,
 		goto out;
 	}
 
-	if(proto_started)
-		ieee80211_stop_protocol(ieee);
+	if(proto_started){
+		ieee80211_stop_protocol(ieee,true);
+	}
 
 
 	/* this is just to be sure that the GET wx callback

drivers/staging/rtl8192e/ieee80211/ieee80211_tx.c

@@ -334,6 +334,13 @@ void ieee80211_tx_query_agg_cap(struct ieee80211_device* ieee, struct sk_buff* s
 	if(!Adapter->HalFunc.GetNmodeSupportBySecCfgHandler(Adapter))
 		return;
 #endif
+
+        if(tcb_desc->bdhcp)// || ieee->CntAfterLink<2)
+        {
+                return;
+        }
+
+
 #if 1
 	if(!ieee->GetNmodeSupportBySecCfg(ieee->dev))
 	{
@@ -628,6 +635,7 @@ int ieee80211_rtl_xmit(struct sk_buff *skb, struct net_device *dev)
 	int qos_actived = ieee->current_network.qos_data.active;
 
 	struct ieee80211_crypt_data* crypt;
+	bool    bdhcp =false;
 
 	cb_desc *tcb_desc;
 
@@ -672,6 +680,55 @@ int ieee80211_rtl_xmit(struct sk_buff *skb, struct net_device *dev)
 		}
 	#endif
 
+		// The following is for DHCP and ARP packet, we use cck1M to tx these packets and let LPS awake some time
+		// to prevent DHCP protocol fail
+		if (skb->len > 282){//MINIMUM_DHCP_PACKET_SIZE) {
+			if (ETH_P_IP == ether_type) {// IP header
+				const struct iphdr *ip = (struct iphdr *)((u8 *)skb->data+14);
+				if (IPPROTO_UDP == ip->protocol) {//FIXME windows is 11 but here UDP in linux kernel is 17.
+					struct udphdr *udp = (struct udphdr *)((u8 *)ip + (ip->ihl << 2));
+					//if(((ntohs(udp->source) == 68) && (ntohs(udp->dest) == 67)) ||
+					///   ((ntohs(udp->source) == 67) && (ntohs(udp->dest) == 68))) {
+					if(((((u8 *)udp)[1] == 68) && (((u8 *)udp)[3] == 67)) ||
+							((((u8 *)udp)[1] == 67) && (((u8 *)udp)[3] == 68))) {
+						// 68 : UDP BOOTP client
+						// 67 : UDP BOOTP server
+						printk("DHCP pkt src port:%d, dest port:%d!!\n", ((u8 *)udp)[1],((u8 *)udp)[3]);
+						// Use low rate to send DHCP packet.
+						//if(pMgntInfo->IOTAction & HT_IOT_ACT_WA_IOT_Broadcom)
+						//{
+						//      tcb_desc->DataRate = MgntQuery_TxRateExcludeCCKRates(ieee);//0xc;//ofdm 6m
+						//      tcb_desc->bTxDisableRateFallBack = false;
+						//}
+						//else
+						//pTcb->DataRate = Adapter->MgntInfo.LowestBasicRate;
+						//RTPRINT(FDM, WA_IOT, ("DHCP TranslateHeader(), pTcb->DataRate = 0x%x\n", pTcb->DataRate));
+
+						bdhcp = true;
+#ifdef _RTL8192_EXT_PATCH_
+						ieee->LPSDelayCnt = 100;//pPSC->LPSAwakeIntvl*2; //AMY,090701
+#else
+						ieee->LPSDelayCnt = 100;//pPSC->LPSAwakeIntvl*2;
+#endif
+					}
+				}
+				}else if(ETH_P_ARP == ether_type){// IP ARP packet
+					printk("=================>DHCP Protocol start tx ARP pkt!!\n");
+					bdhcp = true;
+					ieee->LPSDelayCnt = ieee->current_network.tim.tim_count;
+
+					//if(pMgntInfo->IOTAction & HT_IOT_ACT_WA_IOT_Broadcom)
+					//{
+					//      tcb_desc->DataRate = MgntQuery_TxRateExcludeCCKRates(Adapter->MgntInfo.mBrates);//0xc;//ofdm 6m
+					//      tcb_desc->bTxDisableRateFallBack = FALSE;
+					//}
+					//else
+					//      tcb_desc->DataRate = Adapter->MgntInfo.LowestBasicRate;
+					//RTPRINT(FDM, WA_IOT, ("ARP TranslateHeader(), pTcb->DataRate = 0x%x\n", pTcb->DataRate));
+
+				}
+			}
+
 		/* Save source and destination addresses */
 		memcpy(&dest, skb->data, ETH_ALEN);
 		memcpy(&src, skb->data+ETH_ALEN, ETH_ALEN);
@@ -895,6 +952,25 @@ int ieee80211_rtl_xmit(struct sk_buff *skb, struct net_device *dev)
 		else
 			//tcb_desc->data_rate = CURRENT_RATE(ieee->current_network.mode, ieee->rate, ieee->HTCurrentOperaRate);
 			tcb_desc->data_rate = CURRENT_RATE(ieee->mode, ieee->rate, ieee->HTCurrentOperaRate);
+
+		if(bdhcp == true){
+			// Use low rate to send DHCP packet.
+			//if(ieee->pHTInfo->IOTAction & HT_IOT_ACT_WA_IOT_Broadcom) {
+			//	tcb_desc->data_rate = MGN_1M;//MgntQuery_TxRateExcludeCCKRates(ieee);//0xc;//ofdm 6m
+			//	tcb_desc->bTxDisableRateFallBack = false;
+			//}
+			//else
+			{
+				tcb_desc->data_rate = MGN_1M;
+				tcb_desc->bTxDisableRateFallBack = 1;
+			}
+
+			tcb_desc->RATRIndex = 7;
+			tcb_desc->bTxUseDriverAssingedRate = 1;
+			tcb_desc->bdhcp = 1;
+		}
+
+
 		ieee80211_qurey_ShortPreambleMode(ieee, tcb_desc);
 		ieee80211_tx_query_agg_cap(ieee, txb->fragments[0], tcb_desc);
 		ieee80211_query_HTCapShortGI(ieee, tcb_desc);

drivers/staging/rtl8192e/ieee80211/rtl819x_HT.h

@@ -458,7 +458,8 @@ typedef enum _HT_IOT_PEER
 	HT_IOT_PEER_RALINK = 3,
 	HT_IOT_PEER_ATHEROS = 4,
 	HT_IOT_PEER_CISCO= 5,
-	HT_IOT_PEER_MAX = 6
+        HT_IOT_PEER_MARVELL=6,
+	HT_IOT_PEER_MAX = 7
 }HT_IOT_PEER_E, *PHTIOT_PEER_E;
 
 //
@@ -475,6 +476,7 @@ typedef enum _HT_IOT_ACTION{
 	HT_IOT_ACT_CDD_FSYNC = 0x00000080,
 	HT_IOT_ACT_PURE_N_MODE = 0x00000100,
 	HT_IOT_ACT_FORCED_CTS2SELF = 0x00000200,
+	HT_IOT_ACT_NULL_DATA_POWER_SAVING = 0x00800000,
 }HT_IOT_ACTION_E, *PHT_IOT_ACTION_E;
 
 #endif //_RTL819XU_HTTYPE_H_

drivers/staging/rtl8192e/ieee80211/rtl819x_HTProc.c

@@ -32,7 +32,7 @@ u16 MCS_DATA_RATE[2][2][77] =
 static u8 UNKNOWN_BORADCOM[3] = {0x00, 0x14, 0xbf};
 static u8 LINKSYSWRT330_LINKSYSWRT300_BROADCOM[3] = {0x00, 0x1a, 0x70};
 static u8 LINKSYSWRT350_LINKSYSWRT150_BROADCOM[3] = {0x00, 0x1d, 0x7e};
-static u8 NETGEAR834Bv2_BROADCOM[3] = {0x00, 0x1b, 0x2f};
+//static u8 NETGEAR834Bv2_BROADCOM[3] = {0x00, 0x1b, 0x2f};
 static u8 BELKINF5D8233V1_RALINK[3] = {0x00, 0x17, 0x3f};	//cosa 03202008
 static u8 BELKINF5D82334V3_RALINK[3] = {0x00, 0x1c, 0xdf};
 static u8 PCI_RALINK[3] = {0x00, 0x90, 0xcc};
@@ -40,6 +40,7 @@ static u8 EDIMAX_RALINK[3] = {0x00, 0x0e, 0x2e};
 static u8 AIRLINK_RALINK[3] = {0x00, 0x18, 0x02};
 static u8 DLINK_ATHEROS[3] = {0x00, 0x1c, 0xf0};
 static u8 CISCO_BROADCOM[3] = {0x00, 0x17, 0x94};
+static u8 LINKSYS_MARVELL_4400N[3] = {0x00, 0x14, 0xa4};
 
 // 2008/04/01 MH For Cisco G mode RX TP We need to change FW duration. Shoud we put the
 // code in other place??
@@ -349,12 +350,12 @@ bool IsHTHalfNmodeAPs(struct ieee80211_device* ieee)
 	bool			retValue = false;
 	struct ieee80211_network* net = &ieee->current_network;
 #if 0
-	if(pMgntInfo->bHalfNMode == false)
+	if(ieee->bHalfNMode == false)
 		retValue = false;
 	else
 #endif
 	if((memcmp(net->bssid, BELKINF5D8233V1_RALINK, 3)==0) ||
-		     (memcmp(net->bssid, BELKINF5D82334V3_RALINK, 3)==0) ||
+	   	     (memcmp(net->bssid, BELKINF5D82334V3_RALINK, 3)==0) ||
 		     (memcmp(net->bssid, PCI_RALINK, 3)==0) ||
 		     (memcmp(net->bssid, EDIMAX_RALINK, 3)==0) ||
 		     (memcmp(net->bssid, AIRLINK_RALINK, 3)==0) ||
@@ -363,7 +364,7 @@ bool IsHTHalfNmodeAPs(struct ieee80211_device* ieee)
 	else if((memcmp(net->bssid, UNKNOWN_BORADCOM, 3)==0) ||
     		    (memcmp(net->bssid, LINKSYSWRT330_LINKSYSWRT300_BROADCOM, 3)==0)||
     		    (memcmp(net->bssid, LINKSYSWRT350_LINKSYSWRT150_BROADCOM, 3)==0)||
-    		    (memcmp(net->bssid, NETGEAR834Bv2_BROADCOM, 3)==0) ||
+    		    //(memcmp(net->bssid, NETGEAR834Bv2_BROADCOM, 3)==0) ||
     		    (net->broadcom_cap_exist))
     		  retValue = true;
 	else if(net->bssht.bdRT2RTAggregation)
@@ -387,13 +388,15 @@ void HTIOTPeerDetermine(struct ieee80211_device* ieee)
 	struct ieee80211_network* net = &ieee->current_network;
 	if(net->bssht.bdRT2RTAggregation)
 		pHTInfo->IOTPeer = HT_IOT_PEER_REALTEK;
-	else if(net->broadcom_cap_exist)
+	else if(net->broadcom_cap_exist){
 		pHTInfo->IOTPeer = HT_IOT_PEER_BROADCOM;
+	}
 	else if((memcmp(net->bssid, UNKNOWN_BORADCOM, 3)==0) ||
 			(memcmp(net->bssid, LINKSYSWRT330_LINKSYSWRT300_BROADCOM, 3)==0)||
-			(memcmp(net->bssid, LINKSYSWRT350_LINKSYSWRT150_BROADCOM, 3)==0)||
-			(memcmp(net->bssid, NETGEAR834Bv2_BROADCOM, 3)==0) )
+			(memcmp(net->bssid, LINKSYSWRT350_LINKSYSWRT150_BROADCOM, 3)==0)){//||
+			//(memcmp(net->bssid, NETGEAR834Bv2_BROADCOM, 3)==0) ){
 		pHTInfo->IOTPeer = HT_IOT_PEER_BROADCOM;
+	}
 	else if((memcmp(net->bssid, BELKINF5D8233V1_RALINK, 3)==0) ||
 			(memcmp(net->bssid, BELKINF5D82334V3_RALINK, 3)==0) ||
 			(memcmp(net->bssid, PCI_RALINK, 3)==0) ||
@@ -405,6 +408,10 @@ void HTIOTPeerDetermine(struct ieee80211_device* ieee)
 		pHTInfo->IOTPeer = HT_IOT_PEER_ATHEROS;
 	else if(memcmp(net->bssid, CISCO_BROADCOM, 3)==0)
 		pHTInfo->IOTPeer = HT_IOT_PEER_CISCO;
+        else if ((memcmp(net->bssid, LINKSYS_MARVELL_4400N, 3) == 0) ||
+			net->marvell_cap_exist){
+		pHTInfo->IOTPeer = HT_IOT_PEER_MARVELL;
+	}
 	else
 		pHTInfo->IOTPeer = HT_IOT_PEER_UNKNOWN;
 
@@ -442,6 +449,18 @@ u8 HTIOTActIsDisableMCS14(struct ieee80211_device* ieee, u8* PeerMacAddr)
 	return ret;
  }
 
+u8 HTIOTActIsForcedCTS2Self(struct ieee80211_device *ieee, struct ieee80211_network *network)
+{
+        u8      retValue = 0;
+        //if(network->marvell_cap_exist)
+        if(ieee->pHTInfo->IOTPeer == HT_IOT_PEER_MARVELL)
+        {
+                retValue = 1;
+        }
+
+        return retValue;
+}
+
 
 /**
 * Function:	HTIOTActIsDisableMCS15
@@ -578,6 +597,23 @@ u8 HTIOTActIsCCDFsync(u8* PeerMacAddr)
 	return retValue;
 }
 
+//
+//  Send null data for to tell AP that we are awake.
+//
+bool
+HTIOTActIsNullDataPowerSaving(struct ieee80211_device* ieee,struct ieee80211_network *network)
+{
+	bool	retValue = false;
+
+	PRT_HIGH_THROUGHPUT	pHTInfo = ieee->pHTInfo;
+	{
+		if(pHTInfo->IOTPeer == HT_IOT_PEER_BROADCOM) // ||(pBssDesc->Vender == HT_IOT_PEER_ATHEROS && pBssDesc->SubTypeOfVender == HT_IOT_PEER_ATHEROS_DIR635))
+			return true;
+
+	}
+	return retValue;
+}
+
 void HTResetIOTSetting(
 	PRT_HIGH_THROUGHPUT		pHTInfo
 )
@@ -1071,6 +1107,13 @@ void HTOnAssocRsp(struct ieee80211_device *ieee)
 	// Config and configure A-MSDU setting
 	//
 	pHTInfo->bCurrent_AMSDU_Support = pHTInfo->bAMSDU_Support;
+        if (ieee->rtllib_ap_sec_type &&
+           (ieee->rtllib_ap_sec_type(ieee)&(SEC_ALG_WEP|SEC_ALG_TKIP))){
+                if( (pHTInfo->IOTPeer== HT_IOT_PEER_ATHEROS) ||
+                                (pHTInfo->IOTPeer == HT_IOT_PEER_UNKNOWN) )
+                        pHTInfo->bCurrentAMPDUEnable = false;
+        }
+
 
 	nMaxAMSDUSize = (pPeerHTCap->MaxAMSDUSize==0)?3839:7935;
 
@@ -1515,6 +1558,9 @@ void HTResetSelfAndSavePeerSetting(struct ieee80211_device* ieee, 	struct ieee80
 		bIOTAction = HTIOTActIsDisableMCS14(ieee, pNetwork->bssid);
 		if(bIOTAction)
 			pHTInfo->IOTAction |= HT_IOT_ACT_DISABLE_MCS14;
+		bIOTAction = HTIOTActIsForcedCTS2Self(ieee, pNetwork);
+		if(bIOTAction)
+			pHTInfo->IOTAction |= HT_IOT_ACT_FORCED_CTS2SELF;
 
 		bIOTAction = HTIOTActIsDisableMCS15(ieee);
 		if(bIOTAction)
@@ -1537,6 +1583,9 @@ void HTResetSelfAndSavePeerSetting(struct ieee80211_device* ieee, 	struct ieee80
 		if(bIOTAction)
 			pHTInfo->IOTAction |= HT_IOT_ACT_CDD_FSYNC;
 
+		bIOTAction = HTIOTActIsNullDataPowerSaving(ieee, pNetwork);
+		if(bIOTAction)
+			pHTInfo->IOTAction |= HT_IOT_ACT_NULL_DATA_POWER_SAVING;
 
 	}
 	else

drivers/staging/rtl8192e/r8190_rtl8256.c

@@ -429,11 +429,12 @@ SetRFPowerState8190(
 	bool bResult = true;
 	//u8 eRFPath;
 	u8	i = 0, QueueID = 0;
-	ptx_ring	head=NULL,tail=NULL;
+	//ptx_ring	head=NULL,tail=NULL;
+	struct rtl8192_tx_ring  *ring = NULL;
 
 	if(priv->SetRFPowerStateInProgress == true)
 		return false;
-	RT_TRACE(COMP_POWER, "===========> SetRFPowerState8190()!\n");
+	//RT_TRACE(COMP_PS, "===========> SetRFPowerState8190()!\n");
 	priv->SetRFPowerStateInProgress = true;
 
 	switch(priv->rf_chip)
@@ -442,11 +443,11 @@ SetRFPowerState8190(
 		switch( eRFPowerState )
 		{
 			case eRfOn:
-				RT_TRACE(COMP_POWER, "SetRFPowerState8190() eRfOn !\n");
+				//RT_TRACE(COMP_PS, "SetRFPowerState8190() eRfOn !\n");
 						//RXTX enable control: On
 					//for(eRFPath = 0; eRFPath <pHalData->NumTotalRFPath; eRFPath++)
-					//	PHY_SetRFReg(Adapter, (RF90_RADIO_PATH_E)eRFPath, 0x4, 0xC00, 0x2);
-				#ifdef RTL8190P
+					//	PHY_SetRFReg(dev, (RF90_RADIO_PATH_E)eRFPath, 0x4, 0xC00, 0x2);
+#ifdef RTL8190P
 				if(priv->rf_type == RF_2T4R)
 				{
 					//enable RF-Chip A/B
@@ -479,36 +480,92 @@ SetRFPowerState8190(
 					//analog to digital part2 on
 					rtl8192_setBBreg(dev, rFPGA0_AnalogParameter1, 0x1800, 0x3); // 0x880[12:11]
 				}
-				#else
-				write_nic_byte(dev, ANAPAR, 0x37);//160MHz
-				write_nic_byte(dev, MacBlkCtrl, 0x17); // 0x403
-				mdelay(1);
-				//enable clock 80/88 MHz
-
-				priv->bHwRfOffAction = 0;
-				//}
-
-				// Baseband reset 2008.09.30 add
-				write_nic_byte(dev, BB_RESET, (read_nic_byte(dev, BB_RESET)|BIT0));
-
-				//2 AFE
-				// 2008.09.30 add
-				rtl8192_setBBreg(dev, rFPGA0_AnalogParameter2, 0x20000000, 0x1); // 0x884
-				//analog to digital part2 on
-					rtl8192_setBBreg(dev, rFPGA0_AnalogParameter1, 0x60, 0x3);		// 0x880[6:5]
-				//digital to analog on
-				rtl8192_setBBreg(dev, rFPGA0_AnalogParameter1, 0x98, 0x13); // 0x880[4:3]
-				//analog to digital on
-				rtl8192_setBBreg(dev, rFPGA0_AnalogParameter4, 0xf03, 0xf03);// 0x88c[9:8]
-				//rx antenna on
-				//PHY_SetBBReg(Adapter, rOFDM0_TRxPathEnable, 0x3, 0x3);// 0xc04[1:0]
-				//rx antenna on 2008.09.30 mark
-				//PHY_SetBBReg(Adapter, rOFDM1_TRxPathEnable, 0x3, 0x3);// 0xd04[1:0]
-
-				//2 RF
-				//enable RF-Chip A/B
+				else if(priv->rf_type == RF_1T1R)	//RF-C
+				{
+					//enable RF-Chip C/D
+					rtl8192_setBBreg(dev, rFPGA0_XC_RFInterfaceOE, BIT4, 0x1); // 0x868[4]
+					//analog to digital on
+					rtl8192_setBBreg(dev, rFPGA0_AnalogParameter4, 0x400, 0x1);// 0x88c[10]
+					//digital to analog on
+					rtl8192_setBBreg(dev, rFPGA0_AnalogParameter1, 0x80, 0x1); // 0x880[7]
+					//rx antenna on
+					rtl8192_setBBreg(dev, rOFDM0_TRxPathEnable, 0x4, 0x1);// 0xc04[2]
+					//rx antenna on
+					rtl8192_setBBreg(dev, rOFDM1_TRxPathEnable, 0x4, 0x1);// 0xd04[2]
+					//analog to digital part2 on
+					rtl8192_setBBreg(dev, rFPGA0_AnalogParameter1, 0x800, 0x1); // 0x880[11]
+				}
+
+#elif defined RTL8192E
+				// turn on RF
+				if((priv->ieee80211->eRFPowerState == eRfOff) && RT_IN_PS_LEVEL(pPSC, RT_RF_OFF_LEVL_HALT_NIC))
+				{ // The current RF state is OFF and the RF OFF level is halting the NIC, re-initialize the NIC.
+					bool rtstatus = true;
+					u32 InitilizeCount = 3;
+					do
+					{
+						InitilizeCount--;
+						priv->RegRfOff = false;
+						rtstatus = NicIFEnableNIC(dev);
+					}while( (rtstatus != true) &&(InitilizeCount >0) );
+
+					if(rtstatus != true)
+					{
+						RT_TRACE(COMP_ERR,"%s():Initialize Adapter fail,return\n",__FUNCTION__);
+						priv->SetRFPowerStateInProgress = false;
+						return false;
+					}
+
+					RT_CLEAR_PS_LEVEL(pPSC, RT_RF_OFF_LEVL_HALT_NIC);
+				} else {
+					write_nic_byte(dev, ANAPAR, 0x37);//160MHz
+					//write_nic_byte(dev, MacBlkCtrl, 0x17); // 0x403
+					mdelay(1);
+					//enable clock 80/88 MHz
+					rtl8192_setBBreg(dev, rFPGA0_AnalogParameter1, 0x4, 0x1); // 0x880[2]
+					priv->bHwRfOffAction = 0;
+					//}
+
+					//RF-A, RF-B
+					//enable RF-Chip A/B
 					rtl8192_setBBreg(dev, rFPGA0_XA_RFInterfaceOE, BIT4, 0x1);		// 0x860[4]
-				rtl8192_setBBreg(dev, rFPGA0_XB_RFInterfaceOE, BIT4, 0x1);		// 0x864[4]
+					//analog to digital on
+					rtl8192_setBBreg(dev, rFPGA0_AnalogParameter4, 0x300, 0x3);// 0x88c[9:8]
+					//digital to analog on
+					rtl8192_setBBreg(dev, rFPGA0_AnalogParameter1, 0x18, 0x3); // 0x880[4:3]
+					//rx antenna on
+					rtl8192_setBBreg(dev, rOFDM0_TRxPathEnable, 0x3, 0x3);// 0xc04[1:0]
+					//rx antenna on
+					rtl8192_setBBreg(dev, rOFDM1_TRxPathEnable, 0x3, 0x3);// 0xd04[1:0]
+					//analog to digital part2 on
+					rtl8192_setBBreg(dev, rFPGA0_AnalogParameter1, 0x60, 0x3); 	// 0x880[6:5]
+
+					// Baseband reset 2008.09.30 add
+					//write_nic_byte(dev, BB_RESET, (read_nic_byte(dev, BB_RESET)|BIT0));
+
+				//2 	AFE
+					// 2008.09.30 add
+					//rtl8192_setBBreg(dev, rFPGA0_AnalogParameter2, 0x20000000, 0x1); // 0x884
+					//analog to digital part2 on
+					//rtl8192_setBBreg(dev, rFPGA0_AnalogParameter1, 0x60, 0x3);		// 0x880[6:5]
+
+
+					//digital to analog on
+					//rtl8192_setBBreg(dev, rFPGA0_AnalogParameter1, 0x98, 0x13); // 0x880[4:3]
+					//analog to digital on
+					//rtl8192_setBBreg(dev, rFPGA0_AnalogParameter4, 0xf03, 0xf03);// 0x88c[9:8]
+					//rx antenna on
+					//PHY_SetBBReg(dev, rOFDM0_TRxPathEnable, 0x3, 0x3);// 0xc04[1:0]
+					//rx antenna on 2008.09.30 mark
+					//PHY_SetBBReg(dev, rOFDM1_TRxPathEnable, 0x3, 0x3);// 0xd04[1:0]
+
+				//2 	RF
+					//enable RF-Chip A/B
+					//rtl8192_setBBreg(dev, rFPGA0_XA_RFInterfaceOE, BIT4, 0x1);		// 0x860[4]
+					//rtl8192_setBBreg(dev, rFPGA0_XB_RFInterfaceOE, BIT4, 0x1);		// 0x864[4]
+
+				}
+
 				#endif
 						break;
 
@@ -517,119 +574,137 @@ SetRFPowerState8190(
 				// By Bruce, 2008-01-16.
 				//
 			case eRfSleep:
-			case eRfOff:
-				RT_TRACE(COMP_POWER, "SetRFPowerState8190() eRfOff/Sleep !\n");
-				if (pPSC->bLeisurePs)
+			{
+				// HW setting had been configured with deeper mode.
+				if(priv->ieee80211->eRFPowerState == eRfOff)
+					break;
+
+				// Update current RF state variable.
+				//priv->ieee80211->eRFPowerState = eRFPowerState;
+
+				//if (pPSC->bLeisurePs)
 				{
 					for(QueueID = 0, i = 0; QueueID < MAX_TX_QUEUE; )
 					{
-						switch(QueueID) {
-							case MGNT_QUEUE:
-								tail=priv->txmapringtail;
-								head=priv->txmapringhead;
+							ring = &priv->tx_ring[QueueID];
+
+							if(skb_queue_len(&ring->queue) == 0)
+							{
+								QueueID++;
+								continue;
+							}
+							else
+							{
+								RT_TRACE((COMP_POWER|COMP_RF), "eRf Off/Sleep: %d times TcbBusyQueue[%d] !=0 before doze!\n", (i+1), QueueID);
+								udelay(10);
+								i++;
+							}
+
+							if(i >= MAX_DOZE_WAITING_TIMES_9x)
+							{
+								RT_TRACE(COMP_POWER, "\n\n\n TimeOut!! SetRFPowerState8190(): eRfOff: %d times TcbBusyQueue[%d] != 0 !!!\n\n\n", MAX_DOZE_WAITING_TIMES_9x, QueueID);
 								break;
+							}
+						}
+				}
 
-							case BK_QUEUE:
-								tail=priv->txbkpringtail;
-								head=priv->txbkpringhead;
+				//if(Adapter->HardwareType == HARDWARE_TYPE_RTL8190P)
+#ifdef RTL8190P
+				{
+					PHY_SetRtl8190pRfOff(dev);
+				}
+				//else if(Adapter->HardwareType == HARDWARE_TYPE_RTL8192E)
+#elif defined RTL8192E
+				{
+					PHY_SetRtl8192eRfOff(dev);
+				}
+#endif
+			}
 								break;
 
-							case BE_QUEUE:
-								tail=priv->txbepringtail;
-								head=priv->txbepringhead;
-								break;
+			case eRfOff:
+				//RT_TRACE(COMP_PS, "SetRFPowerState8190() eRfOff/Sleep !\n");
 
-							case VI_QUEUE:
-								tail=priv->txvipringtail;
-								head=priv->txvipringhead;
-								break;
+				// Update current RF state variable.
+				//priv->ieee80211->eRFPowerState = eRFPowerState;
 
-							case VO_QUEUE:
-								tail=priv->txvopringtail;
-								head=priv->txvopringhead;
-								break;
+				//
+				// Disconnect with Any AP or STA.
+				//
+				for(QueueID = 0, i = 0; QueueID < MAX_TX_QUEUE; )
+				{
+					ring = &priv->tx_ring[QueueID];
 
-							default:
-								tail=head=NULL;
-								break;
-						}
-						if(tail == head)
+					if(skb_queue_len(&ring->queue) == 0)
 						{
-							//DbgPrint("QueueID = %d", QueueID);
 							QueueID++;
 							continue;
 						}
 						else
 						{
-							RT_TRACE(COMP_POWER, "eRf Off/Sleep: %d times BusyQueue[%d] !=0 before doze!\n", (i+1), QueueID);
+							RT_TRACE(COMP_POWER,
+							"eRf Off/Sleep: %d times TcbBusyQueue[%d] !=0 before doze!\n", (i+1), QueueID);
 							udelay(10);
 							i++;
 						}
 
 						if(i >= MAX_DOZE_WAITING_TIMES_9x)
 						{
-							RT_TRACE(COMP_POWER, "\n\n\n TimeOut!! SetRFPowerState8190(): eRfOff: %d times BusyQueue[%d] != 0 !!!\n\n\n", MAX_DOZE_WAITING_TIMES_9x, QueueID);
+							RT_TRACE(COMP_POWER, "\n\n\n SetZebraRFPowerState8185B(): eRfOff: %d times TcbBusyQueue[%d] != 0 !!!\n\n\n", MAX_DOZE_WAITING_TIMES_9x, QueueID);
 							break;
 						}
 					}
+
+				//if(Adapter->HardwareType == HARDWARE_TYPE_RTL8190P)
+#if defined RTL8190P
+				{
+					PHY_SetRtl8190pRfOff(dev);
 				}
-				#ifdef RTL8190P
-				if(priv->rf_type == RF_2T4R)
+				//else if(Adapter->HardwareType == HARDWARE_TYPE_RTL8192E)
+#elif defined RTL8192E
 				{
-					//disable RF-Chip A/B
-					rtl8192_setBBreg(dev, rFPGA0_XA_RFInterfaceOE, BIT4, 0x0);		// 0x860[4]
+					//if(pPSC->RegRfPsLevel & RT_RF_OFF_LEVL_HALT_NIC && !RT_IN_PS_LEVEL(pPSC, RT_RF_OFF_LEVL_HALT_NIC) && priv->ieee80211->RfOffReason > RF_CHANGE_BY_PS)
+					if (pPSC->RegRfPsLevel & RT_RF_OFF_LEVL_HALT_NIC && !RT_IN_PS_LEVEL(pPSC, RT_RF_OFF_LEVL_HALT_NIC))
+					{ // Disable all components.
+						//
+						// Note:
+						//	NicIFSetLinkStatus is a big problem when we indicate the status to OS,
+						//	the OS(XP) will reset. But now, we cnnot find why the NIC is hard to receive
+						//	packets after RF ON. Just keep this function here and still work to find out the root couse.
+						//	By Bruce, 2009-05-01.
+						//
+						//NicIFSetLinkStatus( Adapter, RT_MEDIA_DISCONNECT );
+						//if HW radio of , need to indicate scan complete first for not be reset.
+						//if(MgntScanInProgress(pMgntInfo))
+						//	MgntResetScanProcess( Adapter );
+
+						// <1> Disable Interrupt
+						//rtl8192_irq_disable(dev);
+						// <2> Stop all timer
+						//MgntCancelAllTimer(Adapter);
+						// <3> Disable Adapter
+						//NicIFHaltAdapter(Adapter, false);
+						NicIFDisableNIC(dev);
+						RT_SET_PS_LEVEL(pPSC, RT_RF_OFF_LEVL_HALT_NIC);
+					}
+					else if (!(pPSC->RegRfPsLevel & RT_RF_OFF_LEVL_HALT_NIC))
+					{ // Normal case.
+				  		// IPS should go to this.
+						PHY_SetRtl8192eRfOff(dev);
+					}
+				}
+#else
+				else
+				{
+					RT_TRACE(COMP_DBG,DBG_TRACE,("It is not 8190Pci and 8192PciE \n"));
 				}
-				//disable RF-Chip C/D
-				rtl8192_setBBreg(dev, rFPGA0_XC_RFInterfaceOE, BIT4, 0x0); // 0x868[4]
-				//analog to digital off, for power save
-				rtl8192_setBBreg(dev, rFPGA0_AnalogParameter4, 0xf00, 0x0);// 0x88c[11:8]
-				//digital to analog off, for power save
-				rtl8192_setBBreg(dev, rFPGA0_AnalogParameter1, 0x1e0, 0x0); // 0x880[8:5]
-				//rx antenna off
-				rtl8192_setBBreg(dev, rOFDM0_TRxPathEnable, 0xf, 0x0);// 0xc04[3:0]
-				//rx antenna off
-				rtl8192_setBBreg(dev, rOFDM1_TRxPathEnable, 0xf, 0x0);// 0xd04[3:0]
-				//analog to digital part2 off, for power save
-				rtl8192_setBBreg(dev, rFPGA0_AnalogParameter1, 0x1e00, 0x0); // 0x880[12:9]
-#else //8192E
-					//2 RF
-				//disable RF-Chip A/B
-				rtl8192_setBBreg(dev, rFPGA0_XA_RFInterfaceOE, BIT4, 0x0);		// 0x860[4]
-					rtl8192_setBBreg(dev, rFPGA0_XB_RFInterfaceOE, BIT4, 0x0);		// 0x864[4]
-					//2 AFE
-				//analog to digital off, for power save
-					//PHY_SetBBReg(Adapter, rFPGA0_AnalogParameter4, 0xf00, 0x0);// 0x88c[11:8]
-					rtl8192_setBBreg(dev, rFPGA0_AnalogParameter4, 0xf03, 0x0); //  2008.09.30 Modify
-				//digital to analog off, for power save
-					//PHY_SetBBReg(Adapter, rFPGA0_AnalogParameter1, 0x18, 0x0); // 0x880[4:3]
-					rtl8192_setBBreg(dev, rFPGA0_AnalogParameter1, 0x98, 0x0); // 0x880 2008.09.30 Modify
-					//rx antenna off  2008.09.30 mark
-					//PHY_SetBBReg(Adapter, rOFDM0_TRxPathEnable, 0xf, 0x0);// 0xc04[3:0]
-					//rx antenna off  2008.09.30 mark
-					//PHY_SetBBReg(Adapter, rOFDM1_TRxPathEnable, 0xf, 0x0);// 0xd04[3:0]
-				//analog to digital part2 off, for power save
-					rtl8192_setBBreg(dev, rFPGA0_AnalogParameter1, 0x60, 0x0);		// 0x880[6:5]
-					// 2008.09.30 add
-					rtl8192_setBBreg(dev, rFPGA0_AnalogParameter2, 0x20000000, 0x0); // 0x884
-
-
-					//disable clock 80/88 MHz 2008.09.30 mark
-					//PHY_SetBBReg(Adapter, rFPGA0_AnalogParameter1, 0x4, 0x0); // 0x880[2]
-					//2 BB
-					// Baseband reset 2008.09.30 add
-					write_nic_byte(dev, BB_RESET, (read_nic_byte(dev, BB_RESET)|BIT0)); // 0x101
-					//MAC: off
-					write_nic_byte(dev, MacBlkCtrl, 0x0); // 0x403
-					//slow down cpu/lbus clock from 160MHz to Lower
-					write_nic_byte(dev, ANAPAR, 0x07); // 0x 17 40MHz
-				priv->bHwRfOffAction = 0;
-				//}
 				#endif
+
 					break;
 
 			default:
 					bResult = false;
-					RT_TRACE(COMP_ERR, "SetRFPowerState8190(): unknown state to set: 0x%X!!!\n", eRFPowerState);
+					RT_TRACE(COMP_ERR, "SetRFPowerState8190(): unknow state to set: 0x%X!!!\n", eRFPowerState);
 					break;
 		}
 
@@ -644,64 +719,11 @@ SetRFPowerState8190(
 	{
 		// Update current RF state variable.
 		priv->ieee80211->eRFPowerState = eRFPowerState;
-
-		switch(priv->rf_chip )
-		{
-			case RF_8256:
-			switch(priv->ieee80211->eRFPowerState)
-			{
-				case eRfOff:
-				//
-				//If Rf off reason is from IPS, Led should blink with no link, by Maddest 071015
-				//
-					if(priv->ieee80211->RfOffReason==RF_CHANGE_BY_IPS )
-					{
-						#ifdef TO_DO
-						Adapter->HalFunc.LedControlHandler(Adapter,LED_CTL_NO_LINK);
-						#endif
-					}
-					else
-					{
-					// Turn off LED if RF is not ON.
-						#ifdef TO_DO
-						Adapter->HalFunc.LedControlHandler(Adapter, LED_CTL_POWER_OFF);
-						#endif
-					}
-					break;
-
-				case eRfOn:
-				// Turn on RF we are still linked, which might happen when
-				// we quickly turn off and on HW RF. 2006.05.12, by rcnjko.
-					if( priv->ieee80211->state == IEEE80211_LINKED)
-					{
-						#ifdef TO_DO
-						Adapter->HalFunc.LedControlHandler(Adapter, LED_CTL_LINK);
-						#endif
-					}
-					else
-					{
-					// Turn off LED if RF is not ON.
-						#ifdef TO_DO
-						Adapter->HalFunc.LedControlHandler(Adapter, LED_CTL_NO_LINK);
-						#endif
-					}
-					break;
-
-				default:
-			// do nothing.
-					break;
-			}// Switch RF state
-
-			break;
-
-			default:
-				RT_TRACE(COMP_ERR, "SetRFPowerState8190(): Unknown RF type\n");
-				break;
-		}// Switch RFChipID
 	}
 
+	//printk("%s()priv->ieee80211->eRFPowerState:%s\n" ,__func__,priv->ieee80211->eRFPowerState == eRfOn ? "On" : "Off");
 	priv->SetRFPowerStateInProgress = false;
-	RT_TRACE(COMP_POWER, "<=========== SetRFPowerState8190() bResult = %d!\n", bResult);
+	//RT_TRACE(COMP_PS, "<=========== SetRFPowerState8190() bResult = %d!\n", bResult);
 	return bResult;
 }
 

drivers/staging/rtl8192e/r8192E.h

@@ -39,7 +39,7 @@
 #include <linux/random.h>
 #include <linux/version.h>
 #include <asm/io.h>
-#include "ieee80211.h"
+#include "ieee80211/ieee80211.h"
 
 
 
@@ -1003,6 +1003,11 @@ typedef struct r8192_priv
 	int irq;
 	short irq_enabled;
 	struct ieee80211_device *ieee80211;
+#ifdef ENABLE_LPS
+	bool ps_force;
+	bool force_lps;
+	bool bdisable_nic;
+#endif
 	bool being_init_adapter;
 	u8 Rf_Mode;
 	short card_8192; /* O: rtl8192, 1:rtl8185 V B/C, 2:rtl8185 V D */
@@ -1477,7 +1482,7 @@ void write_nic_word(struct net_device *dev, int x,u16 y);
 void write_nic_dword(struct net_device *dev, int x,u32 y);
 void force_pci_posting(struct net_device *dev);
 
-void rtl8192_rtx_disable(struct net_device *);
+void rtl8192_halt_adapter(struct net_device *dev, bool reset);
 void rtl8192_rx_enable(struct net_device *);
 void rtl8192_tx_enable(struct net_device *);
 
@@ -1512,5 +1517,19 @@ short rtl8192_is_tx_queue_empty(struct net_device *dev);
 #ifdef ENABLE_IPS
 void IPSEnter(struct net_device *dev);
 void IPSLeave(struct net_device *dev);
+void InactivePsWorkItemCallback(struct net_device *dev);
+void IPSLeave_wq(void *data);
+void ieee80211_ips_leave_wq(struct net_device *dev);
+void ieee80211_ips_leave(struct net_device *dev);
+#endif
+#ifdef ENABLE_LPS
+void LeisurePSEnter(struct net_device *dev);
+void LeisurePSLeave(struct net_device *dev);
 #endif
+
+bool NicIFEnableNIC(struct net_device* dev);
+bool NicIFDisableNIC(struct net_device* dev);
+
+void rtl8192_irq_disable(struct net_device *dev);
+void PHY_SetRtl8192eRfOff(struct net_device* dev);
 #endif

drivers/staging/rtl8192e/r8192E_core.c

@@ -66,7 +66,7 @@
 #endif
 
 #ifdef ENABLE_DOT11D
-#include "dot11d.h"
+#include "ieee80211/dot11d.h"
 #endif
 
 //set here to open your trace code. //WB
@@ -75,7 +75,7 @@ u32 rt_global_debug_component = \
 			//	COMP_EPROM   	|
 		//		COMP_PHY	|
 		//		COMP_RF		|
-				COMP_FIRMWARE	|
+//				COMP_FIRMWARE	|
 			//	COMP_TRACE	|
 		//		COMP_DOWN	|
 		//		COMP_SWBW	|
@@ -343,6 +343,141 @@ void write_nic_word(struct net_device *dev, int x,u16 y)
 
 #endif /* RTL_IO_MAP */
 
+u8 rtl8192e_ap_sec_type(struct ieee80211_device *ieee)
+{
+	//struct r8192_priv* priv = ieee80211_priv(dev);
+	//struct ieee80211_device *ieee = priv->ieee80211;
+
+	static u8 ccmp_ie[4] = {0x00,0x50,0xf2,0x04};
+	static u8 ccmp_rsn_ie[4] = {0x00, 0x0f, 0xac, 0x04};
+	int wpa_ie_len= ieee->wpa_ie_len;
+	struct ieee80211_crypt_data* crypt;
+	int encrypt;
+
+	crypt = ieee->crypt[ieee->tx_keyidx];
+
+	encrypt = (ieee->current_network.capability & WLAN_CAPABILITY_PRIVACY) ||\
+		  (ieee->host_encrypt && crypt && crypt->ops && \
+		   (0 == strcmp(crypt->ops->name,"WEP")));
+
+	/* simply judge  */
+	if(encrypt && (wpa_ie_len == 0)) {
+		// wep encryption, no N mode setting */
+		return SEC_ALG_WEP;
+	} else if((wpa_ie_len != 0)) {
+		// parse pairwise key type */
+		if (((ieee->wpa_ie[0] == 0xdd) && (!memcmp(&(ieee->wpa_ie[14]),ccmp_ie,4))) ||
+				((ieee->wpa_ie[0] == 0x30) && (!memcmp(&ieee->wpa_ie[10],ccmp_rsn_ie, 4))))
+			return SEC_ALG_CCMP;
+		else
+			return SEC_ALG_TKIP;
+	} else {
+		return SEC_ALG_NONE;
+	}
+}
+
+void
+rtl8192e_SetHwReg(struct net_device *dev,u8 variable,u8* val)
+{
+	struct r8192_priv* priv = ieee80211_priv(dev);
+
+	switch(variable)
+	{
+
+		case HW_VAR_BSSID:
+			write_nic_dword(dev, BSSIDR, ((u32*)(val))[0]);
+			write_nic_word(dev, BSSIDR+2, ((u16*)(val+2))[0]);
+		break;
+
+		case HW_VAR_MEDIA_STATUS:
+		{
+			RT_OP_MODE	OpMode = *((RT_OP_MODE *)(val));
+			//LED_CTL_MODE	LedAction = LED_CTL_NO_LINK;
+			u8		btMsr = read_nic_byte(dev, MSR);
+
+			btMsr &= 0xfc;
+
+			switch(OpMode)
+			{
+			case RT_OP_MODE_INFRASTRUCTURE:
+				btMsr |= MSR_INFRA;
+				//LedAction = LED_CTL_LINK;
+				break;
+
+			case RT_OP_MODE_IBSS:
+				btMsr |= MSR_ADHOC;
+				// led link set seperate
+				break;
+
+			case RT_OP_MODE_AP:
+				btMsr |= MSR_AP;
+				//LedAction = LED_CTL_LINK;
+				break;
+
+			default:
+				btMsr |= MSR_NOLINK;
+				break;
+			}
+
+			write_nic_byte(dev, MSR, btMsr);
+
+			//priv->ieee80211->LedControlHandler(dev, LedAction);
+		}
+		break;
+
+		case HW_VAR_CECHK_BSSID:
+		{
+			u32	RegRCR, Type;
+
+			Type = ((u8*)(val))[0];
+			//priv->ieee80211->GetHwRegHandler(dev, HW_VAR_RCR, (u8*)(&RegRCR));
+			RegRCR = read_nic_dword(dev,RCR);
+			priv->ReceiveConfig = RegRCR;
+
+			if (Type == true)
+				RegRCR |= (RCR_CBSSID);
+			else if (Type == false)
+				RegRCR &= (~RCR_CBSSID);
+
+			//priv->ieee80211->SetHwRegHandler( dev, HW_VAR_RCR, (u8*)(&RegRCR) );
+			write_nic_dword(dev, RCR,RegRCR);
+			priv->ReceiveConfig = RegRCR;
+
+		}
+		break;
+
+		case HW_VAR_SLOT_TIME:
+		{
+			//PSTA_QOS	pStaQos = Adapter->MgntInfo.pStaQos;
+			//AC_CODING	eACI;
+
+			priv->slot_time = val[0];
+			write_nic_byte(dev, SLOT_TIME, val[0]);
+
+		}
+		break;
+
+		case HW_VAR_ACK_PREAMBLE:
+		{
+			u32 regTmp = 0;
+			priv->short_preamble = (bool)(*(u8*)val );
+			regTmp = priv->basic_rate;
+			if (priv->short_preamble)
+				regTmp |= BRSR_AckShortPmb;
+			write_nic_dword(dev, RRSR, regTmp);
+		}
+		break;
+
+		case HW_VAR_CPU_RST:
+			write_nic_dword(dev, CPU_GEN, ((u32*)(val))[0]);
+		break;
+
+		default:
+		break;
+	}
+
+}
+
 
 ///////////////////////////////////////////////////////////
 
@@ -365,11 +500,6 @@ void rtl8192_restart(struct work_struct *work);
 //void rtl8192_rq_tx_ack(struct work_struct *work);
 
 void watch_dog_timer_callback(unsigned long data);
-#ifdef ENABLE_IPS
-void IPSEnter(struct net_device *dev);
-void IPSLeave(struct net_device *dev);
-void InactivePsWorkItemCallback(struct net_device *dev);
-#endif
 /****************************************************************************
    -----------------------------PROCFS STUFF-------------------------
 *****************************************************************************/
@@ -707,7 +837,7 @@ static void rtl8192_irq_enable(struct net_device *dev)
 }
 
 
-static void rtl8192_irq_disable(struct net_device *dev)
+void rtl8192_irq_disable(struct net_device *dev)
 {
 	struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
 
@@ -717,6 +847,7 @@ static void rtl8192_irq_disable(struct net_device *dev)
 }
 
 
+#if 0
 static void rtl8192_set_mode(struct net_device *dev,int mode)
 {
 	u8 ecmd;
@@ -727,7 +858,7 @@ static void rtl8192_set_mode(struct net_device *dev,int mode)
 	ecmd=ecmd &~ (1<<EPROM_CK_SHIFT);
 	write_nic_byte(dev, EPROM_CMD, ecmd);
 }
-
+#endif
 
 void rtl8192_update_msr(struct net_device *dev)
 {
@@ -861,7 +992,7 @@ static void rtl8192_free_tx_ring(struct net_device *dev, unsigned int prio)
     ring->desc = NULL;
 }
 
-
+#if 0
 static void rtl8192_beacon_disable(struct net_device *dev)
 {
 	struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
@@ -873,38 +1004,116 @@ static void rtl8192_beacon_disable(struct net_device *dev)
 	reg &= ~(IMR_BcnInt | IMR_BcnInt | IMR_TBDOK | IMR_TBDER);
 	write_nic_dword(priv->ieee80211->dev, INTA_MASK, reg);
 }
+#endif
+
+void PHY_SetRtl8192eRfOff(struct net_device* dev	)
+{
+	//struct r8192_priv *priv = ieee80211_priv(dev);
+
+	//disable RF-Chip A/B
+	rtl8192_setBBreg(dev, rFPGA0_XA_RFInterfaceOE, BIT4, 0x0);
+	//analog to digital off, for power save
+	rtl8192_setBBreg(dev, rFPGA0_AnalogParameter4, 0x300, 0x0);
+	//digital to analog off, for power save
+	rtl8192_setBBreg(dev, rFPGA0_AnalogParameter1, 0x18, 0x0);
+	//rx antenna off
+	rtl8192_setBBreg(dev, rOFDM0_TRxPathEnable, 0xf, 0x0);
+	//rx antenna off
+	rtl8192_setBBreg(dev, rOFDM1_TRxPathEnable, 0xf, 0x0);
+	//analog to digital part2 off, for power save
+	rtl8192_setBBreg(dev, rFPGA0_AnalogParameter1, 0x60, 0x0);
+	rtl8192_setBBreg(dev, rFPGA0_AnalogParameter1, 0x4, 0x0);
+	// Analog parameter!!Change bias and Lbus control.
+	write_nic_byte(dev, ANAPAR_FOR_8192PciE, 0x07);
+
+}
 
-void rtl8192_rtx_disable(struct net_device *dev)
+void rtl8192_halt_adapter(struct net_device *dev, bool reset)
 {
-	u8 cmd;
+	//u8 	cmd;
 	struct r8192_priv *priv = ieee80211_priv(dev);
-        int i;
+	int i;
+	u8	OpMode;
+	u8	u1bTmp;
+	u32	ulRegRead;
+
+	OpMode = RT_OP_MODE_NO_LINK;
+	priv->ieee80211->SetHwRegHandler(dev, HW_VAR_MEDIA_STATUS, &OpMode);
 
+#if 1
+	if(!priv->ieee80211->bSupportRemoteWakeUp)
+	{
+		u1bTmp = 0x0;	// disable tx/rx. In 8185 we write 0x10 (Reset bit), but here we make reference to WMAC and wirte 0x0. 2006.11.21 Emily
+		//priv->ieee80211->SetHwRegHandler(dev, HW_VAR_COMMAND, &u1bTmp );	// Using HW_VAR_COMMAND instead of writing CMDR directly. Rewrited by Annie, 2006-04-07.
+		write_nic_byte(dev, CMDR, u1bTmp);
+	}
+#else
 	cmd=read_nic_byte(dev,CMDR);
-//	if(!priv->ieee80211->bSupportRemoteWakeUp) {
-		write_nic_byte(dev, CMDR, cmd &~ \
-				(CR_TE|CR_RE));
-//	}
-	force_pci_posting(dev);
-	mdelay(30);
+	write_nic_byte(dev, CMDR, cmd &~ (CR_TE|CR_RE));
+#endif
 
-        for(i = 0; i < MAX_QUEUE_SIZE; i++) {
-                skb_queue_purge(&priv->ieee80211->skb_waitQ [i]);
-        }
-        for(i = 0; i < MAX_QUEUE_SIZE; i++) {
-                skb_queue_purge(&priv->ieee80211->skb_aggQ [i]);
-        }
+	mdelay(20);
 
+	if(!reset)
+	{
+		//PlatformStallExecution(150000);
+		mdelay(150);
+
+#ifdef RTL8192E
+			priv->bHwRfOffAction = 2;
+#endif
+
+		//
+		// Call MgntActSet_RF_State instead to prevent RF config race condition.
+		// By Bruce, 2008-01-17.
+		//
+		if(!priv->ieee80211->bSupportRemoteWakeUp)
+		{
+			//MgntActSet_RF_State(Adapter, eRfOff, RF_CHANGE_BY_INIT);
+			//MgntActSet_RF_State(Adapter, eRfOff, Adapter->MgntInfo.RfOffReason);
+			//if(Adapter->HardwareType == HARDWARE_TYPE_RTL8190P)
+
+			PHY_SetRtl8192eRfOff(dev);
+
+			// 2006.11.30. System reset bit
+			//priv->ieee80211->GetHwRegHandler(dev, HW_VAR_CPU_RST, (u32*)(&ulRegRead) );
+			ulRegRead = read_nic_dword(dev,CPU_GEN);
+			ulRegRead|=CPU_GEN_SYSTEM_RESET;
+			//priv->ieee80211->SetHwRegHandler(dev, HW_VAR_CPU_RST, &ulRegRead);
+			write_nic_dword(dev,CPU_GEN, ulRegRead);
+		}
+	 	else
+		{
+			//2008.06.03 for WOL
+			write_nic_dword(dev, WFCRC0, 0xffffffff);
+			write_nic_dword(dev, WFCRC1, 0xffffffff);
+			write_nic_dword(dev, WFCRC2, 0xffffffff);
+
+			//Write PMR register
+			write_nic_byte(dev, PMR, 0x5);
+			//Disable tx, enanble rx
+			write_nic_byte(dev, MacBlkCtrl, 0xa);
+		}
+	}
+
+	for(i = 0; i < MAX_QUEUE_SIZE; i++) {
+		skb_queue_purge(&priv->ieee80211->skb_waitQ [i]);
+	}
+	for(i = 0; i < MAX_QUEUE_SIZE; i++) {
+		skb_queue_purge(&priv->ieee80211->skb_aggQ [i]);
+	}
 
 	skb_queue_purge(&priv->skb_queue);
 	return;
 }
 
+#if 0
 static void rtl8192_reset(struct net_device *dev)
 {
     rtl8192_irq_disable(dev);
     printk("This is RTL819xP Reset procedure\n");
 }
+#endif
 
 static u16 rtl_rate[] = {10,20,55,110,60,90,120,180,240,360,480,540};
 inline u16 rtl8192_rate2rate(short rate)
@@ -954,6 +1163,12 @@ static void rtl8192_hard_data_xmit(struct sk_buff *skb, struct net_device *dev,
 	/* shall not be referred by command packet */
 	assert(queue_index != TXCMD_QUEUE);
 
+	if((priv->bHwRadioOff == true)||(!priv->up))
+	{
+		kfree_skb(skb);
+		return;
+	}
+
 	//spin_lock_irqsave(&priv->tx_lock,flags);
 
         memcpy((unsigned char *)(skb->cb),&dev,sizeof(dev));
@@ -996,6 +1211,13 @@ static int rtl8192_hard_start_xmit(struct sk_buff *skb,struct net_device *dev)
         cb_desc *tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
         u8 queue_index = tcb_desc->queue_index;
 
+        if(queue_index != TXCMD_QUEUE){
+		if((priv->bHwRadioOff == true)||(!priv->up))
+		{
+               	 	kfree_skb(skb);
+                	return 0;
+            	}
+        }
 
 	//spin_lock_irqsave(&priv->tx_lock,flags);
 
@@ -1379,6 +1601,15 @@ short rtl8192_tx(struct net_device *dev, struct sk_buff* skb)
     u8*   pda_addr = NULL;
     int   idx;
 
+    if(priv->bdisable_nic){
+       	RT_TRACE(COMP_ERR,"%s: ERR!! Nic is disabled! Can't tx packet len=%d qidx=%d!!!\n", __FUNCTION__, skb->len, tcb_desc->queue_index);
+		return skb->len;
+    }
+
+#ifdef ENABLE_LPS
+	priv->ieee80211->bAwakePktSent = true;
+#endif
+
     mapping = pci_map_single(priv->pdev, skb->data, skb->len, PCI_DMA_TODEVICE);
     /* collect the tx packets statitcs */
     pda_addr = ((u8*)skb->data) + sizeof(TX_FWINFO_8190PCI);
@@ -1481,6 +1712,7 @@ short rtl8192_tx(struct net_device *dev, struct sk_buff* skb)
     if((pdesc->OWN == 1) && (tcb_desc->queue_index != BEACON_QUEUE)) {
 	    RT_TRACE(COMP_ERR,"No more TX desc@%d, ring->idx = %d,idx = %d,%x", \
 			    tcb_desc->queue_index,ring->idx, idx,skb->len);
+	    spin_unlock_irqrestore(&priv->irq_th_lock,flags);
 	    return skb->len;
     }
 
@@ -1779,7 +2011,7 @@ static void rtl8192_qos_activate(struct work_struct * work)
 				(((u32)(qos_parameters->cw_max[i]))<< AC_PARAM_ECW_MAX_OFFSET)|
 				(((u32)(qos_parameters->cw_min[i]))<< AC_PARAM_ECW_MIN_OFFSET)|
 				((u32)u1bAIFS << AC_PARAM_AIFS_OFFSET));
-		printk("===>u4bAcParam:%x, ", u4bAcParam);
+		//printk("===>u4bAcParam:%x, ", u4bAcParam);
 		write_nic_dword(dev, WDCAPARA_ADD[i], u4bAcParam);
 		//write_nic_dword(dev, WDCAPARA_ADD[i], 0x005e4332);
 	}
@@ -1964,11 +2196,24 @@ void rtl8192_update_ratr_table(struct net_device* dev)
 	write_nic_byte(dev, UFWP, 1);
 }
 
+#if 0
 static u8 ccmp_ie[4] = {0x00,0x50,0xf2,0x04};
 static u8 ccmp_rsn_ie[4] = {0x00, 0x0f, 0xac, 0x04};
+#endif
+
 static bool GetNmodeSupportBySecCfg8190Pci(struct net_device*dev)
 {
 #if 1
+
+	struct r8192_priv *priv = ieee80211_priv(dev);
+	struct ieee80211_device *ieee = priv->ieee80211;
+	if (ieee->rtllib_ap_sec_type &&
+	   (ieee->rtllib_ap_sec_type(ieee)&(SEC_ALG_WEP|SEC_ALG_TKIP))) {
+		return false;
+	} else {
+		return true;
+	}
+#else
 	struct r8192_priv* priv = ieee80211_priv(dev);
 	struct ieee80211_device* ieee = priv->ieee80211;
         int wpa_ie_len= ieee->wpa_ie_len;
@@ -1995,18 +2240,6 @@ static bool GetNmodeSupportBySecCfg8190Pci(struct net_device*dev)
 		return true;
 	}
 
-#if 0
-        //In here we discuss with SD4 David. He think we still can send TKIP in broadcast group key in MCS rate.
-        //We can't force in G mode if Pairwie key is AES and group key is TKIP
-        if((pSecInfo->GroupEncAlgorithm == WEP104_Encryption) || (pSecInfo->GroupEncAlgorithm == WEP40_Encryption)  ||
-           (pSecInfo->PairwiseEncAlgorithm == WEP104_Encryption) ||
-           (pSecInfo->PairwiseEncAlgorithm == WEP40_Encryption) || (pSecInfo->PairwiseEncAlgorithm == TKIP_Encryption))
-        {
-                return  false;
-        }
-        else
-                return true;
-#endif
 	return true;
 #endif
 }
@@ -2127,7 +2360,19 @@ short rtl8192_is_tx_queue_empty(struct net_device *dev)
 }
 static void rtl8192_hw_sleep_down(struct net_device *dev)
 {
-	RT_TRACE(COMP_POWER, "%s()============>come to sleep down\n", __FUNCTION__);
+	struct r8192_priv *priv = ieee80211_priv(dev);
+	unsigned long flags = 0;
+
+	spin_lock_irqsave(&priv->rf_ps_lock,flags);
+	if (priv->RFChangeInProgress) {
+		spin_unlock_irqrestore(&priv->rf_ps_lock,flags);
+		RT_TRACE(COMP_RF, "rtl8192_hw_sleep_down(): RF Change in progress! \n");
+		printk("rtl8192_hw_sleep_down(): RF Change in progress!\n");
+		return;
+	}
+	spin_unlock_irqrestore(&priv->rf_ps_lock,flags);
+	//RT_TRACE(COMP_PS, "%s()============>come to sleep down\n", __FUNCTION__);
+
 	MgntActSet_RF_State(dev, eRfSleep, RF_CHANGE_BY_PS);
 }
 static void rtl8192_hw_sleep_wq (struct work_struct *work)
@@ -2138,21 +2383,29 @@ static void rtl8192_hw_sleep_wq (struct work_struct *work)
         struct delayed_work *dwork = container_of(work,struct delayed_work,work);
         struct ieee80211_device *ieee = container_of(dwork,struct ieee80211_device,hw_sleep_wq);
         struct net_device *dev = ieee->dev;
-	//printk("=========>%s()\n", __FUNCTION__);
+
         rtl8192_hw_sleep_down(dev);
 }
-//	printk("dev is %d\n",dev);
-//	printk("&*&(^*(&(&=========>%s()\n", __FUNCTION__);
+
 static void rtl8192_hw_wakeup(struct net_device* dev)
 {
-//	u32 flags = 0;
+	struct r8192_priv *priv = ieee80211_priv(dev);
+	unsigned long flags = 0;
+
+	spin_lock_irqsave(&priv->rf_ps_lock,flags);
+	if (priv->RFChangeInProgress) {
+		spin_unlock_irqrestore(&priv->rf_ps_lock,flags);
+		RT_TRACE(COMP_RF, "rtl8192_hw_wakeup(): RF Change in progress! \n");
+		printk("rtl8192_hw_wakeup(): RF Change in progress! schedule wake up task again\n");
+		queue_delayed_work(priv->ieee80211->wq,&priv->ieee80211->hw_wakeup_wq,MSECS(10));//PowerSave is not supported if kernel version is below 2.6.20
+		return;
+	}
+	spin_unlock_irqrestore(&priv->rf_ps_lock,flags);
 
-//	spin_lock_irqsave(&priv->ps_lock,flags);
-	RT_TRACE(COMP_POWER, "%s()============>come to wake up\n", __FUNCTION__);
+	//RT_TRACE(COMP_PS, "%s()============>come to wake up\n", __FUNCTION__);
 	MgntActSet_RF_State(dev, eRfOn, RF_CHANGE_BY_PS);
-	//FIXME: will we send package stored while nic is sleep?
-//	spin_unlock_irqrestore(&priv->ps_lock,flags);
 }
+
 void rtl8192_hw_wakeup_wq (struct work_struct *work)
 {
 //	struct r8180_priv *priv = container_of(work, struct r8180_priv, watch_dog_wq);
@@ -2169,7 +2422,6 @@ void rtl8192_hw_wakeup_wq (struct work_struct *work)
 #define MAX_SLEEP_TIME 10000
 static void rtl8192_hw_to_sleep(struct net_device *dev, u32 th, u32 tl)
 {
-
 	struct r8192_priv *priv = ieee80211_priv(dev);
 
 	u32 rb = jiffies;
@@ -2177,58 +2429,55 @@ static void rtl8192_hw_to_sleep(struct net_device *dev, u32 th, u32 tl)
 
 	spin_lock_irqsave(&priv->ps_lock,flags);
 
-	/* Writing HW register with 0 equals to disable
-	 * the timer, that is not really what we want
-	 */
-	tl -= MSECS(4+16+7);
-
-	//if(tl == 0) tl = 1;
-
-	/* FIXME HACK FIXME HACK */
-//	force_pci_posting(dev);
-	//mdelay(1);
-
-//	rb = read_nic_dword(dev, TSFTR);
+	// Writing HW register with 0 equals to disable
+	// the timer, that is not really what we want
+	//
+	tl -= MSECS(8+16+7);
 
-	/* If the interval in witch we are requested to sleep is too
-	 * short then give up and remain awake
-	 */
+	// If the interval in witch we are requested to sleep is too
+	// short then give up and remain awake
+	// when we sleep after send null frame, the timer will be too short to sleep.
+	//
 	if(((tl>=rb)&& (tl-rb) <= MSECS(MIN_SLEEP_TIME))
-		||((rb>tl)&& (rb-tl) < MSECS(MIN_SLEEP_TIME))) {
+			||((rb>tl)&& (rb-tl) < MSECS(MIN_SLEEP_TIME))) {
 		spin_unlock_irqrestore(&priv->ps_lock,flags);
-		printk("too short to sleep\n");
+		printk("too short to sleep::%x, %x, %lx\n",tl, rb,  MSECS(MIN_SLEEP_TIME));
 		return;
 	}
 
-//	write_nic_dword(dev, TimerInt, tl);
-//	rb = read_nic_dword(dev, TSFTR);
-	{
-		u32 tmp = (tl>rb)?(tl-rb):(rb-tl);
-	//	if (tl<rb)
-		queue_delayed_work(priv->ieee80211->wq, &priv->ieee80211->hw_wakeup_wq, tmp); //as tl may be less than rb
-	}
-	/* if we suspect the TimerInt is gone beyond tl
-	 * while setting it, then give up
-	 */
-#if 1
 	if(((tl > rb) && ((tl-rb) > MSECS(MAX_SLEEP_TIME)))||
-		((tl < rb) && ((rb-tl) > MSECS(MAX_SLEEP_TIME)))) {
+			((tl < rb) && (tl>MSECS(69)) && ((rb-tl) > MSECS(MAX_SLEEP_TIME)))||
+			((tl<rb)&&(tl<MSECS(69))&&((tl+0xffffffff-rb)>MSECS(MAX_SLEEP_TIME)))) {
 		printk("========>too long to sleep:%x, %x, %lx\n", tl, rb,  MSECS(MAX_SLEEP_TIME));
 		spin_unlock_irqrestore(&priv->ps_lock,flags);
 		return;
 	}
-#endif
-//	if(priv->rf_sleep)
-//		priv->rf_sleep(dev);
-
-	//printk("<=========%s()\n", __FUNCTION__);
-	queue_delayed_work(priv->ieee80211->wq, (void *)&priv->ieee80211->hw_sleep_wq,0);
+	{
+		u32 tmp = (tl>rb)?(tl-rb):(rb-tl);
+		queue_delayed_work(priv->ieee80211->wq,
+				&priv->ieee80211->hw_wakeup_wq,tmp);
+		//PowerSave not supported when kernel version less 2.6.20
+	}
+	queue_delayed_work(priv->ieee80211->wq,
+			(void *)&priv->ieee80211->hw_sleep_wq,0);
 	spin_unlock_irqrestore(&priv->ps_lock,flags);
+
 }
 static void rtl8192_init_priv_variable(struct net_device* dev)
 {
 	struct r8192_priv *priv = ieee80211_priv(dev);
 	u8 i;
+	PRT_POWER_SAVE_CONTROL	pPSC = (PRT_POWER_SAVE_CONTROL)(&(priv->ieee80211->PowerSaveControl));
+
+	// Default Halt the NIC if RF is OFF.
+	pPSC->RegRfPsLevel |= RT_RF_OFF_LEVL_HALT_NIC;
+	pPSC->RegRfPsLevel |= RT_RF_OFF_LEVL_CLK_REQ;
+	pPSC->RegRfPsLevel |= RT_RF_OFF_LEVL_ASPM;
+	pPSC->RegRfPsLevel |= RT_RF_LPS_LEVEL_ASPM;
+	pPSC->bLeisurePs = true;
+	pPSC->RegMaxLPSAwakeIntvl = 5;
+	priv->bHwRadioOff = false;
+
 	priv->being_init_adapter = false;
 	priv->txbuffsize = 1600;//1024;
 	priv->txfwbuffersize = 4096;
@@ -2328,6 +2577,17 @@ static void rtl8192_init_priv_variable(struct net_device* dev)
 	//added by amy
 	priv->ieee80211->InitialGainHandler = InitialGain819xPci;
 
+#ifdef ENABLE_IPS
+	priv->ieee80211->ieee80211_ips_leave_wq = ieee80211_ips_leave_wq;
+	priv->ieee80211->ieee80211_ips_leave = ieee80211_ips_leave;
+#endif
+#ifdef ENABLE_LPS
+        priv->ieee80211->LeisurePSLeave            = LeisurePSLeave;
+#endif//ENABL
+
+	priv->ieee80211->SetHwRegHandler = rtl8192e_SetHwReg;
+	priv->ieee80211->rtllib_ap_sec_type = rtl8192e_ap_sec_type;
+
 	priv->card_type = USB;
 	{
 		priv->ShortRetryLimit = 0x30;
@@ -2400,6 +2660,10 @@ static void rtl8192_init_priv_task(struct net_device* dev)
 	priv->priv_wq = create_workqueue(DRV_NAME);
 #endif
 
+#ifdef ENABLE_IPS
+	INIT_WORK(&priv->ieee80211->ips_leave_wq, (void*)IPSLeave_wq);
+#endif
+
 //	INIT_WORK(&priv->reset_wq, (void(*)(void*)) rtl8192_restart);
 	INIT_WORK(&priv->reset_wq,  rtl8192_restart);
 //	INIT_DELAYED_WORK(&priv->watch_dog_wq, hal_dm_watchdog);
@@ -2926,13 +3190,14 @@ static void rtl8192_read_eeprom_info(struct net_device* dev)
 		#endif
 			break;
 	}
-/*
-	//2008.06.03, for WOL
+
+
 	if( priv->eeprom_vid == 0x1186 &&  priv->eeprom_did == 0x3304)
-		priv->ieee80211->bSupportRemoteWakeUp = TRUE;
+		priv->ieee80211->bSupportRemoteWakeUp = true;
 	else
-		priv->ieee80211->bSupportRemoteWakeUp = FALSE;
-*/
+		priv->ieee80211->bSupportRemoteWakeUp = false;
+
+
 	RT_TRACE(COMP_INIT, "RegChannelPlan(%d)\n", priv->RegChannelPlan);
 	RT_TRACE(COMP_INIT, "ChannelPlan = %d \n", priv->ChannelPlan);
 	RT_TRACE(COMP_INIT, "LedStrategy = %d \n", priv->LedStrategy);
@@ -4006,12 +4271,19 @@ static void rtl819x_ifsilentreset(struct net_device *dev)
 	struct ieee80211_device *ieee = priv->ieee80211;
 
 
+	return;
+
 	// 2007.07.20. If we need to check CCK stop, please uncomment this line.
 	//bStuck = Adapter->HalFunc.CheckHWStopHandler(Adapter);
 
 	if(priv->ResetProgress==RESET_TYPE_NORESET)
 	{
 RESET_START:
+#ifdef ENABLE_LPS
+                //LZM for PS-Poll AID issue. 090429
+                if(priv->ieee80211->state == IEEE80211_LINKED)
+                    LeisurePSLeave(dev);
+#endif
 
 		RT_TRACE(COMP_RESET,"=========>Reset progress!! \n");
 
@@ -4051,9 +4323,9 @@ static void rtl819x_ifsilentreset(struct net_device *dev)
 		}
 		else{
 			printk("ieee->state is NOT LINKED\n");
-			ieee80211_softmac_stop_protocol(priv->ieee80211);
+			ieee80211_softmac_stop_protocol(priv->ieee80211,true);
 		}
-		rtl8192_rtx_disable(dev);
+		rtl8192_halt_adapter(dev, true);
 		up(&priv->wx_sem);
 		RT_TRACE(COMP_RESET,"%s():<==========down process is finished\n",__FUNCTION__);
 		RT_TRACE(COMP_RESET,"%s():===========>start to up the driver\n",__FUNCTION__);
@@ -4150,6 +4422,128 @@ void InactivePsWorkItemCallback(struct net_device *dev)
 	RT_TRACE(COMP_POWER, "InactivePsWorkItemCallback() <--------- \n");
 }
 
+#ifdef ENABLE_LPS
+//
+// Change current and default preamble mode.
+// 2005.01.06, by rcnjko.
+//
+bool MgntActSet_802_11_PowerSaveMode(struct net_device *dev,	u8 rtPsMode)
+{
+	struct r8192_priv *priv = ieee80211_priv(dev);
+	//PRT_POWER_SAVE_CONTROL pPSC = (PRT_POWER_SAVE_CONTROL)(&(priv->ieee80211->PowerSaveControl));
+	//u8 RpwmVal, FwPwrMode;
+
+	// Currently, we do not change power save mode on IBSS mode.
+	if(priv->ieee80211->iw_mode == IW_MODE_ADHOC)
+	{
+		return false;
+	}
+
+	//
+	// <RJ_NOTE> If we make HW to fill up the PwrMgt bit for us,
+	// some AP will not response to our mgnt frames with PwrMgt bit set,
+	// e.g. cannot associate the AP.
+	// So I commented out it. 2005.02.16, by rcnjko.
+	//
+//	// Change device's power save mode.
+//	Adapter->HalFunc.SetPSModeHandler( Adapter, rtPsMode );
+
+	// Update power save mode configured.
+	//RT_TRACE(COMP_LPS,"%s(): set ieee->ps = %x\n",__FUNCTION__,rtPsMode);
+	if(!priv->ps_force) {
+		priv->ieee80211->ps = rtPsMode;
+	}
+
+	// Awake immediately
+	if(priv->ieee80211->sta_sleep != 0 && rtPsMode == IEEE80211_PS_DISABLED)
+	{
+                unsigned long flags;
+
+		//PlatformSetTimer(Adapter, &(pMgntInfo->AwakeTimer), 0);
+		// Notify the AP we awke.
+		rtl8192_hw_wakeup(dev);
+		priv->ieee80211->sta_sleep = 0;
+
+                spin_lock_irqsave(&(priv->ieee80211->mgmt_tx_lock), flags);
+		printk("LPS leave: notify AP we are awaked ++++++++++ SendNullFunctionData\n");
+		ieee80211_sta_ps_send_null_frame(priv->ieee80211, 0);
+                spin_unlock_irqrestore(&(priv->ieee80211->mgmt_tx_lock), flags);
+	}
+
+	return true;
+}
+
+//================================================================================
+// Leisure Power Save in linked state.
+//================================================================================
+
+//
+//	Description:
+//		Enter the leisure power save mode.
+//
+void LeisurePSEnter(struct net_device *dev)
+{
+	struct r8192_priv *priv = ieee80211_priv(dev);
+	PRT_POWER_SAVE_CONTROL pPSC = (PRT_POWER_SAVE_CONTROL)(&(priv->ieee80211->PowerSaveControl));
+
+	//RT_TRACE(COMP_PS, "LeisurePSEnter()...\n");
+	//RT_TRACE(COMP_PS, "pPSC->bLeisurePs = %d, ieee->ps = %d,pPSC->LpsIdleCount is %d,RT_CHECK_FOR_HANG_PERIOD is %d\n",
+	//	pPSC->bLeisurePs, priv->ieee80211->ps,pPSC->LpsIdleCount,RT_CHECK_FOR_HANG_PERIOD);
+
+	if(!((priv->ieee80211->iw_mode == IW_MODE_INFRA) &&
+		(priv->ieee80211->state == IEEE80211_LINKED)) ||
+		(priv->ieee80211->iw_mode == IW_MODE_ADHOC) ||
+		(priv->ieee80211->iw_mode == IW_MODE_MASTER))
+		return;
+
+	if (pPSC->bLeisurePs)
+	{
+		// Idle for a while if we connect to AP a while ago.
+		if(pPSC->LpsIdleCount >= RT_CHECK_FOR_HANG_PERIOD) //  4 Sec
+		{
+
+			if(priv->ieee80211->ps == IEEE80211_PS_DISABLED)
+			{
+
+				//RT_TRACE(COMP_LPS, "LeisurePSEnter(): Enter 802.11 power save mode...\n");
+				MgntActSet_802_11_PowerSaveMode(dev, IEEE80211_PS_MBCAST|IEEE80211_PS_UNICAST);
+
+			}
+		}
+		else
+			pPSC->LpsIdleCount++;
+	}
+}
+
+
+//
+//	Description:
+//		Leave the leisure power save mode.
+//
+void LeisurePSLeave(struct net_device *dev)
+{
+	struct r8192_priv *priv = ieee80211_priv(dev);
+	PRT_POWER_SAVE_CONTROL pPSC = (PRT_POWER_SAVE_CONTROL)(&(priv->ieee80211->PowerSaveControl));
+
+
+	//RT_TRACE(COMP_PS, "LeisurePSLeave()...\n");
+	//RT_TRACE(COMP_PS, "pPSC->bLeisurePs = %d, ieee->ps = %d\n",
+	//	pPSC->bLeisurePs, priv->ieee80211->ps);
+
+	if (pPSC->bLeisurePs)
+	{
+		if(priv->ieee80211->ps != IEEE80211_PS_DISABLED)
+		{
+			// move to lps_wakecomplete()
+			//RT_TRACE(COMP_LPS, "LeisurePSLeave(): Busy Traffic , Leave 802.11 power save..\n");
+			MgntActSet_802_11_PowerSaveMode(dev, IEEE80211_PS_DISABLED);
+
+		}
+	}
+}
+#endif
+
+
 //
 //	Description:
 //		Enter the inactive power save mode. RF will be off
@@ -4178,6 +4572,7 @@ IPSEnter(struct net_device *dev)
 			&& (priv->ieee80211->state != IEEE80211_LINKED) )
 		{
 			RT_TRACE(COMP_RF,"IPSEnter(): Turn off RF.\n");
+			//printk("IPSEnter(): Turn off RF.\n");
 			pPSC->eInactivePowerState = eRfOff;
 //			queue_work(priv->priv_wq,&(pPSC->InactivePsWorkItem));
 			InactivePsWorkItemCallback(dev);
@@ -4203,12 +4598,53 @@ IPSLeave(struct net_device *dev)
 		if (rtState != eRfOn  && !pPSC->bSwRfProcessing && priv->ieee80211->RfOffReason <= RF_CHANGE_BY_IPS)
 		{
 			RT_TRACE(COMP_POWER, "IPSLeave(): Turn on RF.\n");
+			//printk("IPSLeave(): Turn on RF.\n");
 			pPSC->eInactivePowerState = eRfOn;
 //			queue_work(priv->priv_wq,&(pPSC->InactivePsWorkItem));
 			InactivePsWorkItemCallback(dev);
 		}
 	}
 }
+
+void IPSLeave_wq(void *data)
+{
+	struct ieee80211_device *ieee = container_of(data,struct ieee80211_device,ips_leave_wq);
+	struct net_device *dev = ieee->dev;
+
+	struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
+	down(&priv->ieee80211->ips_sem);
+	IPSLeave(dev);
+	up(&priv->ieee80211->ips_sem);
+}
+
+void ieee80211_ips_leave_wq(struct net_device *dev)
+{
+	struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
+	RT_RF_POWER_STATE	rtState;
+	rtState = priv->ieee80211->eRFPowerState;
+
+	if(priv->ieee80211->PowerSaveControl.bInactivePs){
+		if(rtState == eRfOff){
+			if(priv->ieee80211->RfOffReason > RF_CHANGE_BY_IPS)
+			{
+				RT_TRACE(COMP_ERR, "%s(): RF is OFF.\n",__FUNCTION__);
+				return;
+			}
+			else{
+				printk("=========>%s(): IPSLeave\n",__FUNCTION__);
+				queue_work(priv->ieee80211->wq,&priv->ieee80211->ips_leave_wq);
+			}
+		}
+	}
+}
+//added by amy 090331 end
+void ieee80211_ips_leave(struct net_device *dev)
+{
+	struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
+	down(&priv->ieee80211->ips_sem);
+	IPSLeave(dev);
+	up(&priv->ieee80211->ips_sem);
+}
 #endif
 
 static void rtl819x_update_rxcounts(
@@ -4244,15 +4680,23 @@ void rtl819x_watchdog_wqcallback(struct work_struct *work)
 	unsigned long flags;
 	bool bBusyTraffic = false;
 	static u8 last_time = 0;
+	bool bEnterPS = false;
+
+	if((!priv->up) || (priv->bHwRadioOff == true))
+		return;
+
 	if(!priv->up)
 		return;
 	hal_dm_watchdog(dev);
 #ifdef ENABLE_IPS
 //	printk("watch_dog ENABLE_IPS\n");
 	if(ieee->actscanning == false){
-		if((ieee->iw_mode != IW_MODE_ADHOC) && (ieee->state == IEEE80211_NOLINK) && (ieee->beinretry == false) && (ieee->eRFPowerState == eRfOn) && !ieee->is_set_key){
+		//printk("%d,%d,%d,%d\n", ieee->eRFPowerState, ieee->is_set_key, ieee->proto_stoppping, ieee->wx_set_enc);
+		if((ieee->iw_mode == IW_MODE_INFRA) && (ieee->state == IEEE80211_NOLINK) &&\
+		    (ieee->eRFPowerState == eRfOn)&&!ieee->is_set_key &&\
+		    (!ieee->proto_stoppping) && !ieee->wx_set_enc){
 			if(ieee->PowerSaveControl.ReturnPoint == IPS_CALLBACK_NONE){
-				printk("====================>haha:IPSEnter()\n");
+				//printk("====================>haha:IPSEnter()\n");
 				IPSEnter(dev);
 				//ieee80211_stop_scan(priv->ieee80211);
 			}
@@ -4262,14 +4706,49 @@ void rtl819x_watchdog_wqcallback(struct work_struct *work)
 	{//to get busy traffic condition
 		if(ieee->state == IEEE80211_LINKED)
 		{
-			if(	ieee->LinkDetectInfo.NumRxOkInPeriod> 666 ||
-				ieee->LinkDetectInfo.NumTxOkInPeriod> 666 ) {
+			if(	ieee->LinkDetectInfo.NumRxOkInPeriod> 100 ||
+				ieee->LinkDetectInfo.NumTxOkInPeriod> 100 ) {
 				bBusyTraffic = true;
 			}
 
+#ifdef ENABLE_LPS
+			//added by amy for Leisure PS
+			if(	((ieee->LinkDetectInfo.NumRxUnicastOkInPeriod + ieee->LinkDetectInfo.NumTxOkInPeriod) > 8 ) ||
+				(ieee->LinkDetectInfo.NumRxUnicastOkInPeriod > 2) )
+			{
+				//printk("ieee->LinkDetectInfo.NumRxUnicastOkInPeriod is %d,ieee->LinkDetectInfo.NumTxOkInPeriod is %d\n",
+				//	ieee->LinkDetectInfo.NumRxUnicastOkInPeriod,ieee->LinkDetectInfo.NumTxOkInPeriod);
+				bEnterPS= false;
+			}
+			else
+			{
+				bEnterPS= true;
+			}
+
+			//printk("***bEnterPS = %d\n", bEnterPS);
+			// LeisurePS only work in infra mode.
+			if(bEnterPS)
+			{
+				LeisurePSEnter(dev);
+			}
+			else
+			{
+				LeisurePSLeave(dev);
+			}
+#endif
+
+		}
+		else
+		{
+#ifdef ENABLE_LPS
+			//RT_TRACE(COMP_LPS,"====>no link LPS leave\n");
+			LeisurePSLeave(dev);
+#endif
 		}
+
 	        ieee->LinkDetectInfo.NumRxOkInPeriod = 0;
 	        ieee->LinkDetectInfo.NumTxOkInPeriod = 0;
+		ieee->LinkDetectInfo.NumRxUnicastOkInPeriod = 0;
 		ieee->LinkDetectInfo.bBusyTraffic = bBusyTraffic;
 	}
 
@@ -4288,14 +4767,14 @@ void rtl819x_watchdog_wqcallback(struct work_struct *work)
 				if( ieee->eRFPowerState == eRfOff)
 					RT_TRACE(COMP_ERR,"========>%s()\n",__FUNCTION__);
 				printk("===>%s(): AP is power off,connect another one\n",__FUNCTION__);
-		//		Dot11d_Reset(dev);
+				//		Dot11d_Reset(dev);
 				ieee->state = IEEE80211_ASSOCIATING;
 				notify_wx_assoc_event(priv->ieee80211);
-                                RemovePeerTS(priv->ieee80211,priv->ieee80211->current_network.bssid);
+				RemovePeerTS(priv->ieee80211,priv->ieee80211->current_network.bssid);
 				ieee->is_roaming = true;
 				ieee->is_set_key = false;
-                             ieee->link_change(dev);
-                                queue_work(ieee->wq, &ieee->associate_procedure_wq);
+				ieee->link_change(dev);
+				queue_work(ieee->wq, &ieee->associate_procedure_wq);
 			}
 		}
 	      ieee->LinkDetectInfo.NumRecvBcnInPeriod=0;
@@ -4348,6 +4827,7 @@ int _rtl8192_up(struct net_device *dev)
 	RT_STATUS init_status = RT_STATUS_SUCCESS;
 	priv->up=1;
 	priv->ieee80211->ieee_up=1;
+	priv->bdisable_nic = false;  //YJ,add,091111
 	RT_TRACE(COMP_INIT, "Bringing up iface");
 
 	init_status = rtl8192_adapter_start(dev);
@@ -4422,6 +4902,12 @@ int rtl8192_down(struct net_device *dev)
 #endif
 	if (priv->up == 0) return -1;
 
+#ifdef ENABLE_LPS
+	//LZM for PS-Poll AID issue. 090429
+	if(priv->ieee80211->state == IEEE80211_LINKED)
+		LeisurePSLeave(dev);
+#endif
+
 	priv->up=0;
 	priv->ieee80211->ieee_up = 0;
 	RT_TRACE(COMP_DOWN, "==========>%s()\n", __FUNCTION__);
@@ -4459,11 +4945,9 @@ int rtl8192_down(struct net_device *dev)
 	deinit_hal_dm(dev);
 	del_timer_sync(&priv->watch_dog_timer);
 
-	ieee80211_softmac_stop_protocol(priv->ieee80211);
-#ifdef ENABLE_IPS
-	MgntActSet_RF_State(dev, eRfOff, RF_CHANGE_BY_INIT);
-#endif
-	rtl8192_rtx_disable(dev);
+	ieee80211_softmac_stop_protocol(priv->ieee80211,true);
+
+	rtl8192_halt_adapter(dev,false);
 	memset(&priv->ieee80211->current_network, 0 , offsetof(struct ieee80211_network, list));
 
 	RT_TRACE(COMP_DOWN, "<==========%s()\n", __FUNCTION__);
@@ -4479,10 +4963,10 @@ void rtl8192_commit(struct net_device *dev)
 	if (priv->up == 0) return ;
 
 
-	ieee80211_softmac_stop_protocol(priv->ieee80211);
+	ieee80211_softmac_stop_protocol(priv->ieee80211,true);
 
 	rtl8192_irq_disable(dev);
-	rtl8192_rtx_disable(dev);
+	rtl8192_halt_adapter(dev,true);
 	_rtl8192_up(dev);
 }
 
@@ -6381,11 +6865,13 @@ void setKey(	struct net_device *dev,
 			if(priv->ieee80211->RfOffReason > RF_CHANGE_BY_IPS)
 			{
 				RT_TRACE(COMP_ERR, "%s(): RF is OFF.\n",__FUNCTION__);
-				up(&priv->wx_sem);
+				//up(&priv->wx_sem);
 				return ;
 			}
 			else{
+				down(&priv->ieee80211->ips_sem);
 				IPSLeave(dev);
+				up(&priv->ieee80211->ips_sem);
 			}
 		}
 	}
@@ -6455,6 +6941,65 @@ void CamPrintDbgReg(struct net_device* dev)
 	RT_TRACE(COMP_SEC, "WPA_Config=%x \n",ucValue);
 }
 
+bool NicIFEnableNIC(struct net_device* dev)
+{
+	RT_STATUS init_status = RT_STATUS_SUCCESS;
+	struct r8192_priv* priv = ieee80211_priv(dev);
+	PRT_POWER_SAVE_CONTROL pPSC = (PRT_POWER_SAVE_CONTROL)(&(priv->ieee80211->PowerSaveControl));
+
+	//YJ,add,091109
+	if (priv->up == 0){
+		RT_TRACE(COMP_ERR, "ERR!!! %s(): Driver is already down!\n",__FUNCTION__);
+		priv->bdisable_nic = false;  //YJ,add,091111
+		return false;
+	}
+	// <1> Reset memory: descriptor, buffer,..
+	//NicIFResetMemory(Adapter);
+
+	// <2> Enable Adapter
+	//printk("===========>%s()\n",__FUNCTION__);
+	//priv->bfirst_init = true;
+	init_status = rtl8192_adapter_start(dev);
+	if (init_status != RT_STATUS_SUCCESS) {
+		RT_TRACE(COMP_ERR,"ERR!!! %s(): initialization is failed!\n",__FUNCTION__);
+		priv->bdisable_nic = false;  //YJ,add,091111
+		return -1;
+	}
+	//printk("start adapter finished\n");
+	RT_CLEAR_PS_LEVEL(pPSC, RT_RF_OFF_LEVL_HALT_NIC);
+	//priv->bfirst_init = false;
+
+	// <3> Enable Interrupt
+	rtl8192_irq_enable(dev);
+	priv->bdisable_nic = false;
+	//RT_TRACE(COMP_PS,"<===========%s()\n",__FUNCTION__);
+	return (init_status == RT_STATUS_SUCCESS) ? true:false;
+}
+bool NicIFDisableNIC(struct net_device* dev)
+{
+	bool	status = true;
+	struct r8192_priv* priv = ieee80211_priv(dev);
+	u8 tmp_state = 0;
+	// <1> Disable Interrupt
+	//RT_TRACE(COMP_PS, "=========>%s()\n",__FUNCTION__);
+	priv->bdisable_nic = true;	//YJ,move,091109
+	tmp_state = priv->ieee80211->state;
+
+	ieee80211_softmac_stop_protocol(priv->ieee80211, false);
+
+	priv->ieee80211->state = tmp_state;
+	rtl8192_cancel_deferred_work(priv);
+	rtl8192_irq_disable(dev);
+	// <2> Stop all timer
+
+	// <3> Disable Adapter
+	rtl8192_halt_adapter(dev, false);
+//	priv->bdisable_nic = true;
+	//RT_TRACE(COMP_PS, "<=========%s()\n",__FUNCTION__);
+
+	return status;
+}
+
 
 /***************************************************************************
      ------------------- module init / exit stubs ----------------

drivers/staging/rtl8192e/r8192E_dm.c

@@ -19,26 +19,28 @@ Major Change History:
 #include "r819xE_phy.h"
 #include "r819xE_phyreg.h"
 #include "r8190_rtl8256.h"
+
+#define DRV_NAME "rtl819xE"
 /*---------------------------Define Local Constant---------------------------*/
 //
 // Indicate different AP vendor for IOT issue.
 //
 #ifdef  RTL8190P
 static u32 edca_setting_DL[HT_IOT_PEER_MAX] =
-{ 0x5e4322, 	0x5e4322, 	0x5e4322,  	0x604322, 	0xa44f, 	0x5e4322};
+{ 0x5e4322, 	0x5e4322, 	0x5e4322,  	0x604322, 	0xa44f, 	0x5e4322,	0x5e4322};
 static u32 edca_setting_UL[HT_IOT_PEER_MAX] =
-{ 0x5e4322, 	0xa44f, 	0x5e4322,  	0x604322, 	0x5e4322, 	0x5e4322};
+{ 0x5e4322, 	0xa44f, 	0x5e4322,  	0x604322, 	0x5e4322, 	0x5e4322,	0x5e4322};
 #else
 #ifdef RTL8192E
 static u32 edca_setting_DL[HT_IOT_PEER_MAX] =
-{ 0x5e4322, 	0x5e4322, 	0x5e4322, 	0x604322, 	0xa44f, 	0x5e4322};
+{ 0x5e4322, 	0x5e4322, 	0x5e4322, 	0x604322, 	0xa44f, 	0x5e4322,	0x5e4322};
 static u32 edca_setting_UL[HT_IOT_PEER_MAX] =
-{ 0x5e4322, 	0xa44f,		0x5e4322,  	0x604322, 	0x5e4322, 	0x5e4322};
+{ 0x5e4322, 	0xa44f,		0x5e4322,  	0x604322, 	0x5e4322, 	0x5e4322, 	0x5e4322};
 #else
 static u32 edca_setting_DL[HT_IOT_PEER_MAX] =
-{ 0x5e4322, 	0x5e4322, 	0x5e4322, 	0x604322, 	0xa44f, 	0x5ea44f};
+{ 0x5e4322, 	0x5e4322, 	0x5e4322, 	0x604322, 	0xa44f, 	0x5ea44f, 	0x5e4322};
 static u32 edca_setting_UL[HT_IOT_PEER_MAX] =
-{ 0x5e4322, 	0xa44f, 	0x5e4322, 	0x604322, 	0x5ea44f, 	0x5ea44f};
+{ 0x5e4322, 	0xa44f, 	0x5e4322, 	0x604322, 	0x5ea44f, 	0x5ea44f, 	0x5e4322};
 #endif
 #endif
 
@@ -275,6 +277,30 @@ void dm_CheckRxAggregation(struct net_device *dev) {
 #endif
 
 
+// call the script file to enable
+void dm_check_ac_dc_power(struct net_device *dev)
+{
+	struct r8192_priv *priv = ieee80211_priv(dev);
+	static char *ac_dc_check_script_path = "/etc/acpi/wireless-rtl-ac-dc-power.sh";
+	char *argv[] = {ac_dc_check_script_path,DRV_NAME,NULL};
+	static char *envp[] = {"HOME=/",
+			"TERM=linux",
+			"PATH=/usr/bin:/bin",
+			 NULL};
+
+	if(priv->ResetProgress == RESET_TYPE_SILENT)
+	{
+		RT_TRACE((COMP_INIT | COMP_POWER | COMP_RF), "GPIOChangeRFWorkItemCallBack(): Silent Reseting!!!!!!!\n");
+		return;
+	}
+
+	if(priv->ieee80211->state != IEEE80211_LINKED) {
+		return;
+	}
+	call_usermodehelper(ac_dc_check_script_path,argv,envp,1);
+
+	return;
+};
 
 void hal_dm_watchdog(struct net_device *dev)
 {
@@ -282,6 +308,8 @@ void hal_dm_watchdog(struct net_device *dev)
 
 	//static u8 	previous_bssid[6] ={0};
 
+	dm_check_ac_dc_power(dev);
+
 	/*Add by amy 2008/05/15 ,porting from windows code.*/
 	dm_check_rate_adaptive(dev);
 	dm_dynamic_txpower(dev);

drivers/staging/rtl8192e/r8192E_hw.h

@@ -808,4 +808,12 @@ enum _RTL8192Pci_HW {
 #define GPI 0x108
 #define GPO 0x109
 #define GPE 0x10a
+
+#define	ANAPAR_FOR_8192PciE							0x17		// Analog parameter register
+
+#define	MSR_NOLINK					0x00
+#define	MSR_ADHOC					0x01
+#define	MSR_INFRA					0x02
+#define	MSR_AP						0x03
+
 #endif

drivers/staging/rtl8192e/r8192E_wx.c

@@ -22,7 +22,7 @@
 #include "r8192E_hw.h"
 #include "r8192E_wx.h"
 #ifdef ENABLE_DOT11D
-#include "dot11d.h"
+#include "ieee80211/dot11d.h"
 #endif
 
 #define RATE_COUNT 12
@@ -70,6 +70,9 @@ static int r8192_wx_set_rate(struct net_device *dev,
 	int ret;
 	struct r8192_priv *priv = ieee80211_priv(dev);
 
+	if(priv->bHwRadioOff == true)
+		return 0;
+
 	down(&priv->wx_sem);
 
 	ret = ieee80211_wx_set_rate(priv->ieee80211,info,wrqu,extra);
@@ -87,6 +90,9 @@ static int r8192_wx_set_rts(struct net_device *dev,
 	int ret;
 	struct r8192_priv *priv = ieee80211_priv(dev);
 
+	if(priv->bHwRadioOff == true)
+		return 0;
+
 	down(&priv->wx_sem);
 
 	ret = ieee80211_wx_set_rts(priv->ieee80211,info,wrqu,extra);
@@ -111,6 +117,9 @@ static int r8192_wx_set_power(struct net_device *dev,
 	int ret;
 	struct r8192_priv *priv = ieee80211_priv(dev);
 
+	if(priv->bHwRadioOff == true)
+		return 0;
+
 	down(&priv->wx_sem);
 
 	ret = ieee80211_wx_set_power(priv->ieee80211,info,wrqu,extra);
@@ -290,6 +299,9 @@ static int r8192_wx_set_rawtx(struct net_device *dev,
 	struct r8192_priv *priv = ieee80211_priv(dev);
 	int ret;
 
+	if(priv->bHwRadioOff == true)
+		return 0;
+
 	down(&priv->wx_sem);
 
 	ret = ieee80211_wx_set_rawtx(priv->ieee80211, info, wrqu, extra);
@@ -325,6 +337,9 @@ static int r8192_wx_set_crcmon(struct net_device *dev,
 	int enable = (parms[0] > 0);
 	short prev = priv->crcmon;
 
+	if(priv->bHwRadioOff == true)
+		return 0;
+
 	down(&priv->wx_sem);
 
 	if(enable)
@@ -352,6 +367,9 @@ static int r8192_wx_set_mode(struct net_device *dev, struct iw_request_info *a,
 	RT_RF_POWER_STATE	rtState;
 	int ret;
 
+	if(priv->bHwRadioOff == true)
+		return 0;
+
 	rtState = priv->ieee80211->eRFPowerState;
 	down(&priv->wx_sem);
 #ifdef ENABLE_IPS
@@ -366,8 +384,10 @@ static int r8192_wx_set_mode(struct net_device *dev, struct iw_request_info *a,
 					return -1;
 				}
 				else{
-				printk("=========>%s(): IPSLeave\n",__FUNCTION__);
+					RT_TRACE(COMP_ERR, "%s(): IPSLeave\n",__FUNCTION__);
+					down(&priv->ieee80211->ips_sem);
 					IPSLeave(dev);
+					up(&priv->ieee80211->ips_sem);
 				}
 			}
 		}
@@ -425,7 +445,7 @@ static int rtl8180_wx_get_range(struct net_device *dev,
 	 */
 
 	/* ~5 Mb/s real (802.11b) */
-	range->throughput = 5 * 1000 * 1000;
+	range->throughput = 130 * 1000 * 1000;
 
 	// TODO: Not used in 802.11b?
 //	range->min_nwid;	/* Minimal NWID we are able to set */
@@ -468,7 +488,7 @@ static int rtl8180_wx_get_range(struct net_device *dev,
 	range->pmt_flags = IW_POWER_TIMEOUT;
 	range->pm_capa = IW_POWER_PERIOD | IW_POWER_TIMEOUT | IW_POWER_ALL_R;
 	range->we_version_compiled = WIRELESS_EXT;
-	range->we_version_source = 16;
+	range->we_version_source = 18;
 
 //	range->retry_capa;	/* What retry options are supported */
 //	range->retry_flags;	/* How to decode max/min retry limit */
@@ -517,7 +537,12 @@ static int r8192_wx_set_scan(struct net_device *dev, struct iw_request_info *a,
 	struct ieee80211_device* ieee = priv->ieee80211;
 	RT_RF_POWER_STATE	rtState;
 	int ret;
+
+	if(priv->bHwRadioOff == true)
+		return 0;
+
 	rtState = priv->ieee80211->eRFPowerState;
+
 	if(!priv->up) return -ENETDOWN;
 	if (priv->ieee80211->LinkDetectInfo.bBusyTraffic == true)
 		return -EAGAIN;
@@ -547,8 +572,10 @@ static int r8192_wx_set_scan(struct net_device *dev, struct iw_request_info *a,
 					return -1;
 				}
 				else{
-					printk("=========>%s(): IPSLeave\n",__FUNCTION__);
+					//RT_TRACE(COMP_PS, "%s(): IPSLeave\n",__FUNCTION__);
+					down(&priv->ieee80211->ips_sem);
 					IPSLeave(dev);
+					up(&priv->ieee80211->ips_sem);
 				}
 			}
 		}
@@ -580,6 +607,9 @@ static int r8192_wx_get_scan(struct net_device *dev, struct iw_request_info *a,
 	int ret;
 	struct r8192_priv *priv = ieee80211_priv(dev);
 
+	if(priv->bHwRadioOff == true)
+		return 0;
+
 	if(!priv->up) return -ENETDOWN;
 
 	down(&priv->wx_sem);
@@ -599,23 +629,16 @@ static int r8192_wx_set_essid(struct net_device *dev,
 	RT_RF_POWER_STATE	rtState;
 	int ret;
 
+	if(priv->bHwRadioOff == true)
+		return 0;
+
 	rtState = priv->ieee80211->eRFPowerState;
 	down(&priv->wx_sem);
+
 #ifdef ENABLE_IPS
-	if(priv->ieee80211->PowerSaveControl.bInactivePs){
-		if(rtState == eRfOff){
-			if(priv->ieee80211->RfOffReason > RF_CHANGE_BY_IPS)
-			{
-				RT_TRACE(COMP_ERR, "%s(): RF is OFF.\n",__FUNCTION__);
-				up(&priv->wx_sem);
-				return -1;
-			}
-			else{
-				printk("=========>%s(): IPSLeave\n",__FUNCTION__);
-				IPSLeave(dev);
-			}
-		}
-	}
+        down(&priv->ieee80211->ips_sem);
+        IPSLeave(dev);
+        up(&priv->ieee80211->ips_sem);
 #endif
 	ret = ieee80211_wx_set_essid(priv->ieee80211,a,wrqu,b);
 
@@ -650,6 +673,9 @@ static int r8192_wx_set_freq(struct net_device *dev, struct iw_request_info *a,
 	int ret;
 	struct r8192_priv *priv = ieee80211_priv(dev);
 
+	if(priv->bHwRadioOff == true)
+		return 0;
+
 	down(&priv->wx_sem);
 
 	ret = ieee80211_wx_set_freq(priv->ieee80211, a, wrqu, b);
@@ -673,6 +699,9 @@ static int r8192_wx_set_frag(struct net_device *dev,
 {
 	struct r8192_priv *priv = ieee80211_priv(dev);
 
+	if(priv->bHwRadioOff == true)
+		return 0;
+
 	if (wrqu->frag.disabled)
 		priv->ieee80211->fts = DEFAULT_FRAG_THRESHOLD;
 	else {
@@ -711,8 +740,16 @@ static int r8192_wx_set_wap(struct net_device *dev,
 	struct r8192_priv *priv = ieee80211_priv(dev);
 //        struct sockaddr *temp = (struct sockaddr *)awrq;
 
+	if(priv->bHwRadioOff == true)
+		return 0;
+
 	down(&priv->wx_sem);
 
+#ifdef ENABLE_IPS
+        down(&priv->ieee80211->ips_sem);
+        IPSLeave(dev);
+        up(&priv->ieee80211->ips_sem);
+#endif
 	ret = ieee80211_wx_set_wap(priv->ieee80211,info,awrq,extra);
 
 	up(&priv->wx_sem);
@@ -753,14 +790,24 @@ static int r8192_wx_set_enc(struct net_device *dev,
 	u32 hwkey[4]={0,0,0,0};
 	u8 mask=0xff;
 	u32 key_idx=0;
-	u8 zero_addr[4][6] ={	{0x00,0x00,0x00,0x00,0x00,0x00},
+	u8 zero_addr[4][6] ={{0x00,0x00,0x00,0x00,0x00,0x00},
 				{0x00,0x00,0x00,0x00,0x00,0x01},
 				{0x00,0x00,0x00,0x00,0x00,0x02},
 				{0x00,0x00,0x00,0x00,0x00,0x03} };
 	int i;
 
+	if(priv->bHwRadioOff == true)
+		return 0;
+
        if(!priv->up) return -ENETDOWN;
 
+        priv->ieee80211->wx_set_enc = 1;
+#ifdef ENABLE_IPS
+        down(&priv->ieee80211->ips_sem);
+        IPSLeave(dev);
+        up(&priv->ieee80211->ips_sem);
+#endif
+
 	down(&priv->wx_sem);
 
 	RT_TRACE(COMP_SEC, "Setting SW wep key");
@@ -768,7 +815,6 @@ static int r8192_wx_set_enc(struct net_device *dev,
 
 	up(&priv->wx_sem);
 
-
 	//sometimes, the length is zero while we do not type key value
 	if(wrqu->encoding.length!=0){
 
@@ -868,6 +914,8 @@ static int r8192_wx_set_enc(struct net_device *dev,
 	}
 #endif
 
+	priv->ieee80211->wx_set_enc = 0;
+
 	return ret;
 }
 
@@ -893,6 +941,9 @@ static int r8192_wx_set_retry(struct net_device *dev,
 	struct r8192_priv *priv = ieee80211_priv(dev);
 	int err = 0;
 
+	if(priv->bHwRadioOff == true)
+		return 0;
+
 	down(&priv->wx_sem);
 
 	if (wrqu->retry.flags & IW_RETRY_LIFETIME ||
@@ -985,6 +1036,10 @@ static int r8192_wx_set_sens(struct net_device *dev,
 	struct r8192_priv *priv = ieee80211_priv(dev);
 
 	short err = 0;
+
+	if(priv->bHwRadioOff == true)
+		return 0;
+
 	down(&priv->wx_sem);
 	//DMESG("attempt to set sensivity to %ddb",wrqu->sens.value);
 	if(priv->rf_set_sens == NULL) {
@@ -1011,7 +1066,19 @@ static int r8192_wx_set_enc_ext(struct net_device *dev,
 	struct r8192_priv *priv = ieee80211_priv(dev);
 	struct ieee80211_device* ieee = priv->ieee80211;
 
+	if(priv->bHwRadioOff == true)
+		return 0;
+
 	down(&priv->wx_sem);
+
+	priv->ieee80211->wx_set_enc = 1;
+
+#ifdef ENABLE_IPS
+        down(&priv->ieee80211->ips_sem);
+        IPSLeave(dev);
+        up(&priv->ieee80211->ips_sem);
+#endif
+
 	ret = ieee80211_wx_set_encode_ext(ieee, info, wrqu, extra);
 
 	{
@@ -1091,6 +1158,7 @@ static int r8192_wx_set_enc_ext(struct net_device *dev,
 	}
 
 end_hw_sec:
+	priv->ieee80211->wx_set_enc = 0;
 	up(&priv->wx_sem);
 	return ret;
 
@@ -1102,6 +1170,10 @@ static int r8192_wx_set_auth(struct net_device *dev,
 	int ret=0;
 	//printk("====>%s()\n", __FUNCTION__);
 	struct r8192_priv *priv = ieee80211_priv(dev);
+
+	if(priv->bHwRadioOff == true)
+		return 0;
+
 	down(&priv->wx_sem);
 	ret = ieee80211_wx_set_auth(priv->ieee80211, info, &(data->param), extra);
 	up(&priv->wx_sem);
@@ -1116,6 +1188,10 @@ static int r8192_wx_set_mlme(struct net_device *dev,
 
 	int ret=0;
 	struct r8192_priv *priv = ieee80211_priv(dev);
+
+	if(priv->bHwRadioOff == true)
+		return 0;
+
 	down(&priv->wx_sem);
 	ret = ieee80211_wx_set_mlme(priv->ieee80211, info, wrqu, extra);
 	up(&priv->wx_sem);
@@ -1129,6 +1205,10 @@ static int r8192_wx_set_gen_ie(struct net_device *dev,
 	   //printk("====>%s(), len:%d\n", __FUNCTION__, data->length);
 	int ret=0;
         struct r8192_priv *priv = ieee80211_priv(dev);
+
+	if(priv->bHwRadioOff == true)
+		return 0;
+
         down(&priv->wx_sem);
         ret = ieee80211_wx_set_gen_ie(priv->ieee80211, extra, data->data.length);
         up(&priv->wx_sem);
@@ -1142,6 +1222,42 @@ static int dummy(struct net_device *dev, struct iw_request_info *a,
 	return -1;
 }
 
+// check ac/dc status with the help of user space application */
+static int r8192_wx_adapter_power_status(struct net_device *dev,
+		struct iw_request_info *info,
+		union iwreq_data *wrqu, char *extra)
+{
+	struct r8192_priv *priv = ieee80211_priv(dev);
+#ifdef ENABLE_LPS
+	PRT_POWER_SAVE_CONTROL pPSC = (PRT_POWER_SAVE_CONTROL)(&(priv->ieee80211->PowerSaveControl));
+	struct ieee80211_device* ieee = priv->ieee80211;
+#endif
+	down(&priv->wx_sem);
+
+#ifdef ENABLE_LPS
+	RT_TRACE(COMP_POWER, "%s(): %s\n",__FUNCTION__, (*extra ==  6)?"DC power":"AC power");
+	// ieee->ps shall not be set under DC mode, otherwise it conflict
+	// with Leisure power save mode setting.
+	//
+	if(*extra || priv->force_lps) {
+		priv->ps_force = false;
+		pPSC->bLeisurePs = true;
+	} else {
+		//LZM for PS-Poll AID issue. 090429
+		if(priv->ieee80211->state == IEEE80211_LINKED)
+			LeisurePSLeave(dev);
+
+		priv->ps_force = true;
+		pPSC->bLeisurePs = false;
+		ieee->ps = *extra;
+	}
+
+#endif
+	up(&priv->wx_sem);
+	return 0;
+
+}
+
 
 static iw_handler r8192_wx_handlers[] =
 {
@@ -1231,72 +1347,28 @@ static const struct iw_priv_args r8192_private_args[] = {
 		SIOCIWFIRSTPRIV + 0x2,
 		IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "rawtx"
 	}
-#ifdef JOHN_IOCTL
 	,
 	{
 		SIOCIWFIRSTPRIV + 0x3,
-                IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "readRF"
+		IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "forcereset"
+
 	}
 	,
 	{
 		SIOCIWFIRSTPRIV + 0x4,
-                IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "writeRF"
-	}
-	,
-	{
-		SIOCIWFIRSTPRIV + 0x5,
-                IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "readBB"
-	}
-	,
-	{
-		SIOCIWFIRSTPRIV + 0x6,
-                IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "writeBB"
-	}
-        ,
-        {
-                SIOCIWFIRSTPRIV + 0x7,
-                IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "readnicb"
-        }
-        ,
-        {
-                SIOCIWFIRSTPRIV + 0x8,
-                IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "writenicb"
-        }
-        ,
-        {
-                SIOCIWFIRSTPRIV + 0x9,
-                IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "apinfo"
-        }
-
-#endif
-	,
-	{
-		SIOCIWFIRSTPRIV + 0x3,
-		IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "forcereset"
-
+		IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED|1, IW_PRIV_TYPE_NONE,
+		"set_power"
 	}
 
 };
 
 
 static iw_handler r8192_private_handler[] = {
-//	r8192_wx_set_monitor,  /* SIOCIWFIRSTPRIV */
 	r8192_wx_set_crcmon,   /*SIOCIWSECONDPRIV*/
-//	r8192_wx_set_forceassociate,
-//	r8192_wx_set_beaconinterval,
-//	r8192_wx_set_monitor_type,
 	r8192_wx_set_scan_type,
 	r8192_wx_set_rawtx,
-#ifdef JOHN_IOCTL
-	r8192_wx_read_regs,
-	r8192_wx_write_regs,
-	r8192_wx_read_bb,
-	r8192_wx_write_bb,
-        r8192_wx_read_nicb,
-        r8192_wx_write_nicb,
-	r8192_wx_get_ap_status
-#endif
 	r8192_wx_force_reset,
+	r8192_wx_adapter_power_status,
 };
 
 //#if WIRELESS_EXT >= 17

drivers/staging/rtl8192e/r8192E_wx.h

@@ -15,7 +15,6 @@
 #ifndef R8180_WX_H
 #define R8180_WX_H
 //#include <linux/wireless.h>
-//#include "ieee80211.h"
 extern struct iw_handler_def r8192_wx_handlers_def;
 /* Enable  the rtl819x_core.c to share this function, david 2008.9.22 */
 extern struct iw_statistics *r8192_get_wireless_stats(struct net_device *dev);

drivers/staging/rtl8192e/r819xE_phy.c

@@ -5,7 +5,7 @@
 #include "r819xE_phy.h"
 #include "r8192E_dm.h"
 #ifdef ENABLE_DOT11D
-#include "dot11d.h"
+#include "ieee80211/dot11d.h"
 #endif
 static u32 RF_CHANNEL_TABLE_ZEBRA[] = {
 	0,

drivers/staging/rtl8192e/r819xE_phyreg.h

@@ -38,6 +38,8 @@
 #define	MCS_TXAGC				0x340	// MCS AGC
 #define	CCK_TXAGC				0x348	// CCK AGC
 
+#define	MacBlkCtrl				0x403					// Mac block on/off control register
+
 //page8
 #define rFPGA0_RFMOD              		0x800  //RF mode & CCK TxSC
 #define rFPGA0_TxInfo             		0x804
@@ -875,4 +877,5 @@
 #define 	rRTL8256TxBBBW             19
 #define 	bRTL8256TxBBBW            	0x18
 
+
 #endif	//__INC_HAL8190PCIPHYREG_H