Commit 65a43784 authored by david woo's avatar david woo Committed by Greg Kroah-Hartman
Browse files

Staging: rtl9192e: fix power usage issues 



This patch should allow the driver to consume a lot less power.

Signed-off-by: default avatardavid woo <xinhua_wu@realsil.com.cn>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
parent 789d9dbd

drivers/staging/rtl8192e/Makefile

+6 −3
Original line number Diff line number Diff line 
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

+152 −4
Original line number Diff line number Diff line
@@ -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

+3 −3
Original line number Diff line number Diff line
@@ -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

+92 −4
Original line number Diff line number Diff line
@@ -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

+199 −45

File changed.

Preview size limit exceeded, changes collapsed.