Staging: rtl9192e: fix power usage issues

This patch should allow the driver to consume a lot less power.
Signed-off-by: david woo <xinhua_wu@realsil.com.cn>
Signed-off-by: Greg 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_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/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_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.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