From: wlanfae <wlanfae@realtek.com>

[PATCH 1/8] rtl8192e: Import new version of driver from realtek

Signed-off-by: wlanfae <wlanfae@realtek.com>
Signed-off-by: Mike McCormack <mikem@ring3k.org>
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
---

1 files changed, 4234 insertions, 0 deletions

diff --git a/drivers/staging/rtl8192e/rtllib_rx.c b/drivers/staging/rtl8192e/rtllib_rx.c
new file mode 100644
index 0000000..2a7133c
--- /dev/null
+++ b/drivers/staging/rtl8192e/rtllib_rx.c
@@ -0,0 +1,4234 @@
+/*
+ * Original code based Host AP (software wireless LAN access point) driver
+ * for Intersil Prism2/2.5/3 - hostap.o module, common routines
+ *
+ * Copyright (c) 2001-2002, SSH Communications Security Corp and Jouni Malinen
+ * <jkmaline@cc.hut.fi>
+ * Copyright (c) 2002-2003, Jouni Malinen <jkmaline@cc.hut.fi>
+ * Copyright (c) 2004, Intel Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation. See README and COPYING for
+ * more details.
+ ******************************************************************************
+
+  Few modifications for Realtek's Wi-Fi drivers by
+  Andrea Merello <andreamrl@tiscali.it>
+
+  A special thanks goes to Realtek for their support !
+
+******************************************************************************/
+
+
+#include <linux/compiler.h>
+#include <linux/errno.h>
+#include <linux/if_arp.h>
+#include <linux/in6.h>
+#include <linux/in.h>
+#include <linux/ip.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/netdevice.h>
+#include <linux/pci.h>
+#include <linux/proc_fs.h>
+#include <linux/skbuff.h>
+#include <linux/slab.h>
+#include <linux/tcp.h>
+#include <linux/types.h>
+#include <linux/version.h>
+#include <linux/wireless.h>
+#include <linux/etherdevice.h>
+#include <asm/uaccess.h>
+#include <linux/ctype.h>
+
+#include "rtllib.h"
+#ifdef ENABLE_DOT11D
+#include "dot11d.h"
+#endif
+
+#if defined(RTLLIB_RADIOTAP) && (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,10))
+#include <net/ieee80211_radiotap.h>
+#endif
+
+#if defined CONFIG_CFG_80211
+#include <linux/crc32.h>
+
+struct ieee80211_channel *rtllib_get_channel(struct wiphy *wiphy,
+						  int freq)
+{
+	enum ieee80211_band band;
+	struct ieee80211_supported_band *sband;
+	int i;
+
+	for (band = 0; band < IEEE80211_NUM_BANDS; band++) {
+		sband = wiphy->bands[band];
+
+		if (!sband)
+			continue;
+
+		for (i = 0; i < sband->n_channels; i++) {
+			if (sband->channels[i].center_freq == freq)
+				return &sband->channels[i];
+		}
+	}
+
+	return NULL;
+}
+
+int rtllib_channel_to_frequency(int chan)
+{
+	if (chan < 14)
+		return 2407 + chan * 5;
+
+	if (chan == 14)
+		return 2484;
+
+	/* FIXME: 802.11j 17.3.8.3.2 */
+	return (chan + 1000) * 5;
+}
+
+u32 rtllib_parse_elems_crc(u8 *start, size_t len,
+			       struct ieee802_11_elems *elems,
+			       u64 filter, u32 crc)
+{
+	size_t left = len;
+	u8 *pos = start;
+	bool calc_crc = filter != 0;
+
+	memset(elems, 0, sizeof(*elems));
+	elems->ie_start = start;
+	elems->total_len = len;
+
+	while (left >= 2) {
+		u8 id, elen;
+
+		id = *pos++;
+		elen = *pos++;
+		left -= 2;
+
+		if (elen > left)
+			break;
+
+		if (calc_crc && id < 64 && (filter & BIT(id)))
+			crc = crc32_be(crc, pos - 2, elen + 2);
+
+		switch (id) {
+		case WLAN_EID_SSID:
+			elems->ssid = pos;
+			elems->ssid_len = elen;
+			break;
+		case WLAN_EID_SUPP_RATES:
+			elems->supp_rates = pos;
+			elems->supp_rates_len = elen;
+			break;
+		case WLAN_EID_FH_PARAMS:
+			elems->fh_params = pos;
+			elems->fh_params_len = elen;
+			break;
+		case WLAN_EID_DS_PARAMS:
+			elems->ds_params = pos;
+			elems->ds_params_len = elen;
+			break;
+		case WLAN_EID_CF_PARAMS:
+			elems->cf_params = pos;
+			elems->cf_params_len = elen;
+			break;
+		case WLAN_EID_TIM:
+			if (elen >= sizeof(struct ieee80211_tim_ie)) {
+				elems->tim = (void *)pos;
+				elems->tim_len = elen;
+			}
+			break;
+		case WLAN_EID_IBSS_PARAMS:
+			elems->ibss_params = pos;
+			elems->ibss_params_len = elen;
+			break;
+		case WLAN_EID_CHALLENGE:
+			elems->challenge = pos;
+			elems->challenge_len = elen;
+			break;
+		case WLAN_EID_VENDOR_SPECIFIC:
+			if (elen >= 4 && pos[0] == 0x00 && pos[1] == 0x50 &&
+			    pos[2] == 0xf2) {
+				/* Microsoft OUI (00:50:F2) */
+
+				if (calc_crc)
+					crc = crc32_be(crc, pos - 2, elen + 2);
+
+				if (pos[3] == 1) {
+					/* OUI Type 1 - WPA IE */
+					elems->wpa = pos;
+					elems->wpa_len = elen;
+				} else if (elen >= 5 && pos[3] == 2) {
+					/* OUI Type 2 - WMM IE */
+					if (pos[4] == 0) {
+						elems->wmm_info = pos;
+						elems->wmm_info_len = elen;
+					} else if (pos[4] == 1) {
+						elems->wmm_param = pos;
+						elems->wmm_param_len = elen;
+					}
+				}
+			}
+			break;
+		case WLAN_EID_RSN:
+			elems->rsn = pos;
+			elems->rsn_len = elen;
+			break;
+		case WLAN_EID_ERP_INFO:
+			elems->erp_info = pos;
+			elems->erp_info_len = elen;
+			break;
+		case WLAN_EID_EXT_SUPP_RATES:
+			elems->ext_supp_rates = pos;
+			elems->ext_supp_rates_len = elen;
+			break;
+		case WLAN_EID_HT_CAPABILITY:
+			if (elen >= sizeof(struct ieee80211_ht_cap))
+				elems->ht_cap_elem = (void *)pos;
+			break;
+		case WLAN_EID_HT_INFORMATION:
+			if (elen >= sizeof(struct ieee80211_ht_info))
+				elems->ht_info_elem = (void *)pos;
+			break;
+		case WLAN_EID_MESH_ID:
+			elems->mesh_id = pos;
+			elems->mesh_id_len = elen;
+			break;
+		case WLAN_EID_MESH_CONFIG:
+			elems->mesh_config = pos;
+			elems->mesh_config_len = elen;
+			break;
+		case WLAN_EID_PEER_LINK:
+			elems->peer_link = pos;
+			elems->peer_link_len = elen;
+			break;
+		case WLAN_EID_PREQ:
+			elems->preq = pos;
+			elems->preq_len = elen;
+			break;
+		case WLAN_EID_PREP:
+			elems->prep = pos;
+			elems->prep_len = elen;
+			break;
+		case WLAN_EID_PERR:
+			elems->perr = pos;
+			elems->perr_len = elen;
+			break;
+		case WLAN_EID_CHANNEL_SWITCH:
+			elems->ch_switch_elem = pos;
+			elems->ch_switch_elem_len = elen;
+			break;
+		case WLAN_EID_QUIET:
+			if (!elems->quiet_elem) {
+				elems->quiet_elem = pos;
+				elems->quiet_elem_len = elen;
+			}
+			elems->num_of_quiet_elem++;
+			break;
+		case WLAN_EID_COUNTRY:
+			elems->country_elem = pos;
+			elems->country_elem_len = elen;
+			break;
+		case WLAN_EID_PWR_CONSTRAINT:
+			elems->pwr_constr_elem = pos;
+			elems->pwr_constr_elem_len = elen;
+			break;
+		case WLAN_EID_TIMEOUT_INTERVAL:
+			elems->timeout_int = pos;
+			elems->timeout_int_len = elen;
+			break;
+		default:
+			break;
+		}
+
+		left -= elen;
+		pos += elen;
+	}
+
+	return crc;
+}
+
+void rtllib_parse_elems(u8 *start, size_t len,
+			    struct ieee802_11_elems *elems)
+{
+	rtllib_parse_elems_crc(start, len, elems, 0, 0);
+}
+
+void ieee80211_scan_rx(struct rtllib_device *ieee, struct sk_buff *skb, struct rtllib_rx_stats *rx_status)
+{
+	struct rtllib_hdr_4addr *header = (struct rtllib_hdr_4addr *)skb->data ;
+	struct ieee80211_mgmt *mgmt;
+	struct ieee80211_bss *bss;
+	u8 *elements;
+	struct ieee80211_channel *channel;
+	size_t baselen;
+	int freq;
+	__le16 fc;
+	bool presp, beacon = false;
+	struct ieee802_11_elems elems;
+	s32 signal = 0;
+
+	if (skb->len < 2)
+		return;
+
+	mgmt = (struct ieee80211_mgmt *) skb->data;
+	fc = mgmt->frame_control;
+
+	if (skb->len < 24)
+		return;
+
+	presp = (WLAN_FC_GET_STYPE(header->frame_ctl) == RTLLIB_STYPE_PROBE_RESP);
+	if (presp) {
+		/* ignore ProbeResp to foreign address */
+		if (memcmp(mgmt->da, ieee->dev->dev_addr, ETH_ALEN))
+			return ;;
+
+		presp = true;
+		elements = mgmt->u.probe_resp.variable;
+		baselen = offsetof(struct ieee80211_mgmt, u.probe_resp.variable);
+	} else {
+		beacon =  (WLAN_FC_GET_STYPE(header->frame_ctl) == RTLLIB_STYPE_BEACON);
+		baselen = offsetof(struct ieee80211_mgmt, u.beacon.variable);
+		elements = mgmt->u.beacon.variable;
+	}
+
+	if (!presp && !beacon)
+		return;
+
+	if (baselen > skb->len)
+		return;
+
+	rtllib_parse_elems(elements, skb->len - baselen, &elems);
+
+	if (elems.ds_params && elems.ds_params_len == 1)
+		freq = rtllib_channel_to_frequency(elems.ds_params[0]);
+	else
+		return;
+
+	channel = rtllib_get_channel(ieee->wdev.wiphy, freq);
+
+	if (!channel || channel->flags & IEEE80211_CHAN_DISABLED)
+		return;
+
+		signal = rx_status->signal * 100;
+
+	bss = (void *)cfg80211_inform_bss_frame(ieee->wdev.wiphy, channel,
+						mgmt, skb->len, signal, GFP_ATOMIC);
+
+	return;
+}
+#endif
+
+
+#if defined(RTLLIB_RADIOTAP) && (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,10))
+static int rtllib_rx_radiotap_len(struct rtllib_device *ieee, struct rtllib_rx_stats *rx_status)
+{
+	int len;
+
+	/* always present fields */
+	len = sizeof(struct ieee80211_radiotap_header) +
+		8 + /* TSFT */
+		1 + /* FLAGS */
+		1 + /* RATE */
+		2 + /* CHANNEL IN MHZ */
+		2 + /* CHANNEL BITFIELD */
+		1 + /* HW SIGNAL DBM */
+		1 + /* HW NOISE DBM */
+		1;  /* ANTENNA NUMBER */
+
+
+	if (len & 1) /* padding for RX_FLAGS if necessary */
+		len++;
+
+	/* make sure radiotap starts at a naturally aligned address */
+	if (len % 8)
+		len = roundup(len, 8);
+
+	return len;
+}
+
+static void rtllib_add_rx_radiotap_header(struct rtllib_device *ieee,
+		struct sk_buff *skb, int rtap_len, struct rtllib_rx_stats *rx_status)
+{
+	struct ieee80211_radiotap_header *rthdr;
+	unsigned char *pos;
+	printk("add header!\n");
+	rthdr = (struct ieee80211_radiotap_header *)skb_push(skb, rtap_len);
+	memset(rthdr, 0, rtap_len);
+
+	rthdr->it_version = PKTHDR_RADIOTAP_VERSION;
+	rthdr->it_pad = 0;
+	rthdr->it_len = cpu_to_le16(rtap_len);
+	/* radiotap header, set always present flags */
+	rthdr->it_present = cpu_to_le32(
+		(1 << IEEE80211_RADIOTAP_TSFT) |
+		(1 << IEEE80211_RADIOTAP_FLAGS) |
+		(1 << IEEE80211_RADIOTAP_RATE) |
+		(1 << IEEE80211_RADIOTAP_CHANNEL) |
+		(1 << IEEE80211_RADIOTAP_DBM_ANTSIGNAL) |
+		(1 << IEEE80211_RADIOTAP_DBM_ANTNOISE) |
+		(1 << IEEE80211_RADIOTAP_ANTENNA));
+
+	pos = (unsigned char *)(rthdr+1);
+	/* the order of the following fields is important */
+	/* IEEE80211_RADIOTAP_TSFT */
+	*(__le64 *)pos = cpu_to_le64(rx_status->TimeStampLow);
+	pos += 8;
+
+	/* IEEE80211_RADIOTAP_FLAGS */
+	if (rx_status->bCRC)
+		*pos |= IEEE80211_RADIOTAP_F_BADFCS;
+	if (rx_status->bShortPreamble)
+		*pos |= IEEE80211_RADIOTAP_F_SHORTPRE;
+	pos++;
+
+	/* IEEE80211_RADIOTAP_RATE */
+	*pos = rx_status->rate / 5;
+	pos++;
+
+	/* IEEE80211_RADIOTAP_CHANNEL */
+	*(__le16 *)pos = cpu_to_le16(rx_status->received_channel);
+	pos += 2;
+	pos += 2;
+
+
+	/* IEEE80211_RADIOTAP_DBM_ANTSIGNAL */
+	*pos = rx_status->RxPower;
+	pos++;
+
+	/* IEEE80211_RADIOTAP_DBM_ANTNOISE */
+	*pos = rx_status->noise;
+	pos++;
+
+	/* IEEE80211_RADIOTAP_ANTENNA */
+	*pos = rx_status->Antenna;
+	pos++;
+
+	/* IEEE80211_RADIOTAP_DB_ANTNOISE is not used */
+
+	/* IEEE80211_RADIOTAP_RX_FLAGS */
+	/* ensure 2 byte alignment for the 2 byte field as required */
+}
+#endif
+
+static inline void rtllib_monitor_rx(struct rtllib_device *ieee,
+				struct sk_buff *skb,struct rtllib_rx_stats *rx_status,
+				size_t hdr_length)
+{
+
+#if defined(RTLLIB_RADIOTAP) && (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,10))
+	int needed_headroom = 0;
+	struct sk_buff *radiotap_skb;
+
+	needed_headroom = rtllib_rx_radiotap_len(ieee, rx_status);
+	printk("needed_headroom = %d\n", needed_headroom);
+	radiotap_skb = skb_copy_expand(skb, needed_headroom, 0, GFP_ATOMIC);
+	dev_kfree_skb(skb);
+	if (!radiotap_skb) {
+		return;
+	}
+
+	rtllib_add_rx_radiotap_header(ieee, radiotap_skb, needed_headroom, rx_status);
+	radiotap_skb->dev = ieee->dev;
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,22)
+        skb_reset_mac_header(radiotap_skb);
+#else
+        radiotap_skb->mac.raw = radiotap_skb->data;
+#endif
+	radiotap_skb->ip_summed = CHECKSUM_UNNECESSARY;
+	radiotap_skb->pkt_type = PACKET_OTHERHOST;
+	radiotap_skb->protocol = htons(ETH_P_802_2);
+	memset(radiotap_skb->cb, 0, sizeof(radiotap_skb->cb));
+	netif_rx(radiotap_skb);
+#else
+	skb->dev = ieee->dev;
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,22)
+        skb_reset_mac_header(skb);
+#else
+        skb->mac.raw = skb->data;
+#endif
+	skb_pull(skb, hdr_length);
+	skb->pkt_type = PACKET_OTHERHOST;
+	skb->protocol = __constant_htons(ETH_P_80211_RAW);
+	memset(skb->cb, 0, sizeof(skb->cb));
+	netif_rx(skb);
+#endif
+}
+
+/* Called only as a tasklet (software IRQ) */
+static struct rtllib_frag_entry *
+rtllib_frag_cache_find(struct rtllib_device *ieee, unsigned int seq,
+			  unsigned int frag, u8 tid,u8 *src, u8 *dst)
+{
+	struct rtllib_frag_entry *entry;
+	int i;
+
+	for (i = 0; i < RTLLIB_FRAG_CACHE_LEN; i++) {
+		entry = &ieee->frag_cache[tid][i];
+		if (entry->skb != NULL &&
+		    time_after(jiffies, entry->first_frag_time + 2 * HZ)) {
+			RTLLIB_DEBUG_FRAG(
+				"expiring fragment cache entry "
+				"seq=%u last_frag=%u\n",
+				entry->seq, entry->last_frag);
+			dev_kfree_skb_any(entry->skb);
+			entry->skb = NULL;
+		}
+
+		if (entry->skb != NULL && entry->seq == seq &&
+		    (entry->last_frag + 1 == frag || frag == -1) &&
+		    memcmp(entry->src_addr, src, ETH_ALEN) == 0 &&
+		    memcmp(entry->dst_addr, dst, ETH_ALEN) == 0)
+			return entry;
+	}
+
+	return NULL;
+}
+
+/* Called only as a tasklet (software IRQ) */
+static struct sk_buff *
+rtllib_frag_cache_get(struct rtllib_device *ieee,
+			 struct rtllib_hdr_4addr *hdr)
+{
+	struct sk_buff *skb = NULL;
+	u16 fc = le16_to_cpu(hdr->frame_ctl);
+	u16 sc = le16_to_cpu(hdr->seq_ctl);
+	unsigned int frag = WLAN_GET_SEQ_FRAG(sc);
+	unsigned int seq = WLAN_GET_SEQ_SEQ(sc);
+	struct rtllib_frag_entry *entry;
+	struct rtllib_hdr_3addrqos *hdr_3addrqos;
+	struct rtllib_hdr_4addrqos *hdr_4addrqos;
+	u8 tid;
+
+	if (((fc & RTLLIB_FCTL_DSTODS) == RTLLIB_FCTL_DSTODS)&&RTLLIB_QOS_HAS_SEQ(fc)) {
+	  hdr_4addrqos = (struct rtllib_hdr_4addrqos *)hdr;
+	  tid = le16_to_cpu(hdr_4addrqos->qos_ctl) & RTLLIB_QCTL_TID;
+	  tid = UP2AC(tid);
+	  tid ++;
+	} else if (RTLLIB_QOS_HAS_SEQ(fc)) {
+	  hdr_3addrqos = (struct rtllib_hdr_3addrqos *)hdr;
+	  tid = le16_to_cpu(hdr_3addrqos->qos_ctl) & RTLLIB_QCTL_TID;
+	  tid = UP2AC(tid);
+	  tid ++;
+	} else {
+	  tid = 0;
+	}
+
+	if (frag == 0) {
+		/* Reserve enough space to fit maximum frame length */
+		skb = dev_alloc_skb(ieee->dev->mtu +
+				    sizeof(struct rtllib_hdr_4addr) +
+				    8 /* LLC */ +
+				    2 /* alignment */ +
+				    8 /* WEP */ +
+				    ETH_ALEN /* WDS */ +
+				    (RTLLIB_QOS_HAS_SEQ(fc)?2:0) /* QOS Control */);
+		if (skb == NULL)
+			return NULL;
+
+		entry = &ieee->frag_cache[tid][ieee->frag_next_idx[tid]];
+		ieee->frag_next_idx[tid]++;
+		if (ieee->frag_next_idx[tid] >= RTLLIB_FRAG_CACHE_LEN)
+			ieee->frag_next_idx[tid] = 0;
+
+		if (entry->skb != NULL)
+			dev_kfree_skb_any(entry->skb);
+
+		entry->first_frag_time = jiffies;
+		entry->seq = seq;
+		entry->last_frag = frag;
+		entry->skb = skb;
+		memcpy(entry->src_addr, hdr->addr2, ETH_ALEN);
+		memcpy(entry->dst_addr, hdr->addr1, ETH_ALEN);
+	} else {
+		/* received a fragment of a frame for which the head fragment
+		 * should have already been received */
+		entry = rtllib_frag_cache_find(ieee, seq, frag, tid,hdr->addr2,
+						  hdr->addr1);
+		if (entry != NULL) {
+			entry->last_frag = frag;
+			skb = entry->skb;
+		}
+	}
+
+	return skb;
+}
+
+
+/* Called only as a tasklet (software IRQ) */
+static int rtllib_frag_cache_invalidate(struct rtllib_device *ieee,
+					   struct rtllib_hdr_4addr *hdr)
+{
+	u16 fc = le16_to_cpu(hdr->frame_ctl);
+	u16 sc = le16_to_cpu(hdr->seq_ctl);
+	unsigned int seq = WLAN_GET_SEQ_SEQ(sc);
+	struct rtllib_frag_entry *entry;
+	struct rtllib_hdr_3addrqos *hdr_3addrqos;
+	struct rtllib_hdr_4addrqos *hdr_4addrqos;
+	u8 tid;
+
+	if (((fc & RTLLIB_FCTL_DSTODS) == RTLLIB_FCTL_DSTODS)&&RTLLIB_QOS_HAS_SEQ(fc)) {
+	  hdr_4addrqos = (struct rtllib_hdr_4addrqos *)hdr;
+	  tid = le16_to_cpu(hdr_4addrqos->qos_ctl) & RTLLIB_QCTL_TID;
+	  tid = UP2AC(tid);
+	  tid ++;
+	} else if (RTLLIB_QOS_HAS_SEQ(fc)) {
+	  hdr_3addrqos = (struct rtllib_hdr_3addrqos *)hdr;
+	  tid = le16_to_cpu(hdr_3addrqos->qos_ctl) & RTLLIB_QCTL_TID;
+	  tid = UP2AC(tid);
+	  tid ++;
+	} else {
+	  tid = 0;
+	}
+
+	entry = rtllib_frag_cache_find(ieee, seq, -1, tid,hdr->addr2,
+					  hdr->addr1);
+
+	if (entry == NULL) {
+		RTLLIB_DEBUG_FRAG(
+			"could not invalidate fragment cache "
+			"entry (seq=%u)\n", seq);
+		return -1;
+	}
+
+	entry->skb = NULL;
+	return 0;
+}
+
+
+
+/* rtllib_rx_frame_mgtmt
+ *
+ * Responsible for handling management control frames
+ *
+ * Called by rtllib_rx */
+static inline int
+rtllib_rx_frame_mgmt(struct rtllib_device *ieee, struct sk_buff *skb,
+			struct rtllib_rx_stats *rx_stats, u16 type,
+			u16 stype)
+{
+	/* On the struct stats definition there is written that
+	 * this is not mandatory.... but seems that the probe
+	 * response parser uses it
+	 */
+	struct rtllib_hdr_3addr * hdr = (struct rtllib_hdr_3addr *)skb->data;
+
+	rx_stats->len = skb->len;
+	rtllib_rx_mgt(ieee,skb,rx_stats);
+	if ((memcmp(hdr->addr1, ieee->dev->dev_addr, ETH_ALEN))) {
+		dev_kfree_skb_any(skb);
+		return 0;
+	}
+	rtllib_rx_frame_softmac(ieee, skb, rx_stats, type, stype);
+
+	dev_kfree_skb_any(skb);
+
+	return 0;
+
+#ifdef NOT_YET
+	if (ieee->iw_mode == IW_MODE_MASTER) {
+		printk(KERN_DEBUG "%s: Master mode not yet suppported.\n",
+		       ieee->dev->name);
+		return 0;
+/*
+  hostap_update_sta_ps(ieee, (struct hostap_rtllib_hdr_4addr *)
+  skb->data);*/
+	}
+
+	if (ieee->hostapd && type == RTLLIB_TYPE_MGMT) {
+		if (stype == WLAN_FC_STYPE_BEACON &&
+		    ieee->iw_mode == IW_MODE_MASTER) {
+			struct sk_buff *skb2;
+			/* Process beacon frames also in kernel driver to
+			 * update STA(AP) table statistics */
+			skb2 = skb_clone(skb, GFP_ATOMIC);
+			if (skb2)
+				hostap_rx(skb2->dev, skb2, rx_stats);
+		}
+
+		/* send management frames to the user space daemon for
+		 * processing */
+		ieee->apdevstats.rx_packets++;
+		ieee->apdevstats.rx_bytes += skb->len;
+		prism2_rx_80211(ieee->apdev, skb, rx_stats, PRISM2_RX_MGMT);
+		return 0;
+	}
+
+	    if (ieee->iw_mode == IW_MODE_MASTER) {
+		if (type != WLAN_FC_TYPE_MGMT && type != WLAN_FC_TYPE_CTRL) {
+			printk(KERN_DEBUG "%s: unknown management frame "
+			       "(type=0x%02x, stype=0x%02x) dropped\n",
+			       skb->dev->name, type, stype);
+			return -1;
+		}
+
+		hostap_rx(skb->dev, skb, rx_stats);
+		return 0;
+	}
+
+	printk(KERN_DEBUG "%s: hostap_rx_frame_mgmt: management frame "
+	       "received in non-Host AP mode\n", skb->dev->name);
+	return -1;
+#endif
+}
+
+#ifndef CONFIG_CFG_80211
+/* See IEEE 802.1H for LLC/SNAP encapsulation/decapsulation */
+/* Ethernet-II snap header (RFC1042 for most EtherTypes) */
+static unsigned char rfc1042_header[] =
+{ 0xaa, 0xaa, 0x03, 0x00, 0x00, 0x00 };
+/* Bridge-Tunnel header (for EtherTypes ETH_P_AARP and ETH_P_IPX) */
+static unsigned char bridge_tunnel_header[] =
+{ 0xaa, 0xaa, 0x03, 0x00, 0x00, 0xf8 };
+/* No encapsulation header if EtherType < 0x600 (=length) */
+#endif
+
+/* Called by rtllib_rx_frame_decrypt */
+static int rtllib_is_eapol_frame(struct rtllib_device *ieee,
+				    struct sk_buff *skb, size_t hdrlen)
+{
+	struct net_device *dev = ieee->dev;
+	u16 fc, ethertype;
+	struct rtllib_hdr_4addr *hdr;
+	u8 *pos;
+
+	if (skb->len < 24)
+		return 0;
+
+	hdr = (struct rtllib_hdr_4addr *) skb->data;
+	fc = le16_to_cpu(hdr->frame_ctl);
+
+	/* check that the frame is unicast frame to us */
+	if ((fc & (RTLLIB_FCTL_TODS | RTLLIB_FCTL_FROMDS)) ==
+	    RTLLIB_FCTL_TODS &&
+	    memcmp(hdr->addr1, dev->dev_addr, ETH_ALEN) == 0 &&
+	    memcmp(hdr->addr3, dev->dev_addr, ETH_ALEN) == 0) {
+		/* ToDS frame with own addr BSSID and DA */
+	} else if ((fc & (RTLLIB_FCTL_TODS | RTLLIB_FCTL_FROMDS)) ==
+		   RTLLIB_FCTL_FROMDS &&
+		   memcmp(hdr->addr1, dev->dev_addr, ETH_ALEN) == 0) {
+		/* FromDS frame with own addr as DA */
+	} else
+		return 0;
+
+	if (skb->len < 24 + 8)
+		return 0;
+
+	/* check for port access entity Ethernet type */
+	pos = skb->data + hdrlen;
+	ethertype = (pos[6] << 8) | pos[7];
+	if (ethertype == ETH_P_PAE)
+		return 1;
+
+	return 0;
+}
+
+/* Called only as a tasklet (software IRQ), by rtllib_rx */
+static inline int
+rtllib_rx_frame_decrypt(struct rtllib_device* ieee, struct sk_buff *skb,
+			   struct rtllib_crypt_data *crypt)
+{
+	struct rtllib_hdr_4addr *hdr;
+	int res, hdrlen;
+
+	if (crypt == NULL || crypt->ops->decrypt_mpdu == NULL)
+		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 rtllib_hdr_4addr *) skb->data;
+	hdrlen = rtllib_get_hdrlen(le16_to_cpu(hdr->frame_ctl));
+
+#ifdef CONFIG_RTLLIB_CRYPT_TKIP
+	if (ieee->tkip_countermeasures &&
+	    strcmp(crypt->ops->name, "TKIP") == 0) {
+		if (net_ratelimit()) {
+			printk(KERN_DEBUG "%s: TKIP countermeasures: dropped "
+			       "received packet from " MAC_FMT "\n",
+			       ieee->dev->name, MAC_ARG(hdr->addr2));
+		}
+		return -1;
+	}
+#endif
+
+	atomic_inc(&crypt->refcnt);
+	res = crypt->ops->decrypt_mpdu(skb, hdrlen, crypt->priv);
+	atomic_dec(&crypt->refcnt);
+	if (res < 0) {
+		RTLLIB_DEBUG_DROP(
+			"decryption failed (SA=" MAC_FMT
+			") res=%d\n", MAC_ARG(hdr->addr2), res);
+		if (res == -2)
+			RTLLIB_DEBUG_DROP("Decryption failed ICV "
+					     "mismatch (key %d)\n",
+					     skb->data[hdrlen + 3] >> 6);
+		ieee->ieee_stats.rx_discards_undecryptable++;
+		return -1;
+	}
+
+	return res;
+}
+
+
+/* Called only as a tasklet (software IRQ), by rtllib_rx */
+static inline int
+rtllib_rx_frame_decrypt_msdu(struct rtllib_device* ieee, struct sk_buff *skb,
+			     int keyidx, struct rtllib_crypt_data *crypt)
+{
+	struct rtllib_hdr_4addr *hdr;
+	int res, hdrlen;
+
+	if (crypt == NULL || crypt->ops->decrypt_msdu == NULL)
+		return 0;
+	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;
+	}
+
+	hdr = (struct rtllib_hdr_4addr *) skb->data;
+	hdrlen = rtllib_get_hdrlen(le16_to_cpu(hdr->frame_ctl));
+
+	atomic_inc(&crypt->refcnt);
+	res = crypt->ops->decrypt_msdu(skb, keyidx, hdrlen, crypt->priv,ieee);
+	atomic_dec(&crypt->refcnt);
+	if (res < 0) {
+		printk(KERN_DEBUG "%s: MSDU decryption/MIC verification failed"
+		       " (SA=" MAC_FMT " keyidx=%d)\n",
+		       ieee->dev->name, MAC_ARG(hdr->addr2), keyidx);
+		return -1;
+	}
+
+	return 0;
+}
+
+
+/* this function is stolen from ipw2200 driver*/
+#define IEEE_PACKET_RETRY_TIME (5*HZ)
+static int is_duplicate_packet(struct rtllib_device *ieee,
+				      struct rtllib_hdr_4addr *header)
+{
+	u16 fc = le16_to_cpu(header->frame_ctl);
+	u16 sc = le16_to_cpu(header->seq_ctl);
+	u16 seq = WLAN_GET_SEQ_SEQ(sc);
+	u16 frag = WLAN_GET_SEQ_FRAG(sc);
+	u16 *last_seq, *last_frag;
+	unsigned long *last_time;
+	struct rtllib_hdr_3addrqos *hdr_3addrqos;
+	struct rtllib_hdr_4addrqos *hdr_4addrqos;
+	u8 tid;
+
+	if (((fc & RTLLIB_FCTL_DSTODS) == RTLLIB_FCTL_DSTODS)&&RTLLIB_QOS_HAS_SEQ(fc)) {
+	  hdr_4addrqos = (struct rtllib_hdr_4addrqos *)header;
+	  tid = le16_to_cpu(hdr_4addrqos->qos_ctl) & RTLLIB_QCTL_TID;
+	  tid = UP2AC(tid);
+	  tid ++;
+	} else if (RTLLIB_QOS_HAS_SEQ(fc)) {
+	  hdr_3addrqos = (struct rtllib_hdr_3addrqos*)header;
+	  tid = le16_to_cpu(hdr_3addrqos->qos_ctl) & RTLLIB_QCTL_TID;
+	  tid = UP2AC(tid);
+	  tid ++;
+	} else {
+	  tid = 0;
+	}
+
+	switch (ieee->iw_mode) {
+	case IW_MODE_ADHOC:
+	{
+		struct list_head *p;
+		struct ieee_ibss_seq *entry = NULL;
+		u8 *mac = header->addr2;
+		int index = mac[5] % IEEE_IBSS_MAC_HASH_SIZE;
+		list_for_each(p, &ieee->ibss_mac_hash[index]) {
+			entry = list_entry(p, struct ieee_ibss_seq, list);
+			if (!memcmp(entry->mac, mac, ETH_ALEN))
+				break;
+		}
+		if (p == &ieee->ibss_mac_hash[index]) {
+			entry = kmalloc(sizeof(struct ieee_ibss_seq), GFP_ATOMIC);
+			if (!entry) {
+				printk(KERN_WARNING "Cannot malloc new mac entry\n");
+				return 0;
+			}
+			memcpy(entry->mac, mac, ETH_ALEN);
+			entry->seq_num[tid] = seq;
+			entry->frag_num[tid] = frag;
+			entry->packet_time[tid] = jiffies;
+			list_add(&entry->list, &ieee->ibss_mac_hash[index]);
+			return 0;
+		}
+		last_seq = &entry->seq_num[tid];
+		last_frag = &entry->frag_num[tid];
+		last_time = &entry->packet_time[tid];
+		break;
+	}
+
+	case IW_MODE_INFRA:
+		last_seq = &ieee->last_rxseq_num[tid];
+		last_frag = &ieee->last_rxfrag_num[tid];
+		last_time = &ieee->last_packet_time[tid];
+		break;
+	default:
+		return 0;
+	}
+
+	if ((*last_seq == seq) &&
+	    time_after(*last_time + IEEE_PACKET_RETRY_TIME, jiffies)) {
+		if (*last_frag == frag){
+			goto drop;
+
+		}
+		if (*last_frag + 1 != frag)
+			/* out-of-order fragment */
+			goto drop;
+	} else
+		*last_seq = seq;
+
+	*last_frag = frag;
+	*last_time = jiffies;
+	return 0;
+
+drop:
+
+	return 1;
+}
+bool
+AddReorderEntry(
+	PRX_TS_RECORD			pTS,
+	PRX_REORDER_ENTRY		pReorderEntry
+	)
+{
+	struct list_head *pList = &pTS->RxPendingPktList;
+
+	while(pList->next != &pTS->RxPendingPktList)
+	{
+		if ( SN_LESS(pReorderEntry->SeqNum, ((PRX_REORDER_ENTRY)list_entry(pList->next,RX_REORDER_ENTRY,List))->SeqNum) )
+		{
+			pList = pList->next;
+		}
+		else if ( SN_EQUAL(pReorderEntry->SeqNum, ((PRX_REORDER_ENTRY)list_entry(pList->next,RX_REORDER_ENTRY,List))->SeqNum) )
+		{
+			return false;
+		}
+		else
+		{
+			break;
+		}
+	}
+	pReorderEntry->List.next = pList->next;
+	pReorderEntry->List.next->prev = &pReorderEntry->List;
+	pReorderEntry->List.prev = pList;
+	pList->next = &pReorderEntry->List;
+
+	return true;
+}
+
+void rtllib_indicate_packets(struct rtllib_device *ieee, struct rtllib_rxb** prxbIndicateArray,u8  index)
+{
+	struct net_device_stats *stats = &ieee->stats;
+	u8 i = 0 , j=0;
+	u16 ethertype;
+	for (j = 0; j < index; j++) {
+		struct rtllib_rxb* prxb = prxbIndicateArray[j];
+		for (i = 0; i<prxb->nr_subframes; i++) {
+			struct sk_buff *sub_skb = prxb->subframes[i];
+
+		/* convert hdr + possible LLC headers into Ethernet header */
+			ethertype = (sub_skb->data[6] << 8) | sub_skb->data[7];
+			if (sub_skb->len >= 8 &&
+				((memcmp(sub_skb->data, rfc1042_header, SNAP_SIZE) == 0 &&
+				  ethertype != ETH_P_AARP && ethertype != ETH_P_IPX) ||
+				 memcmp(sub_skb->data, bridge_tunnel_header, SNAP_SIZE) == 0)) {
+			/* remove RFC1042 or Bridge-Tunnel encapsulation and
+			 * replace EtherType */
+				skb_pull(sub_skb, SNAP_SIZE);
+				memcpy(skb_push(sub_skb, ETH_ALEN), prxb->src, ETH_ALEN);
+				memcpy(skb_push(sub_skb, ETH_ALEN), prxb->dst, ETH_ALEN);
+			} else {
+				u16 len;
+			/* Leave Ethernet header part of hdr and full payload */
+				len = htons(sub_skb->len);
+				memcpy(skb_push(sub_skb, 2), &len, 2);
+				memcpy(skb_push(sub_skb, ETH_ALEN), prxb->src, ETH_ALEN);
+				memcpy(skb_push(sub_skb, ETH_ALEN), prxb->dst, ETH_ALEN);
+			}
+
+		/* Indicat the packets to upper layer */
+			if (sub_skb) {
+				stats->rx_packets++;
+				stats->rx_bytes += sub_skb->len;
+
+				memset(sub_skb->cb, 0, sizeof(sub_skb->cb));
+				sub_skb->protocol = eth_type_trans(sub_skb, ieee->dev);
+				sub_skb->dev = ieee->dev;
+				sub_skb->dev->stats.rx_packets++;
+				sub_skb->dev->stats.rx_bytes += sub_skb->len;
+#ifdef TCP_CSUM_OFFLOAD_RX
+				if ( prxb->tcp_csum_valid)
+					sub_skb->ip_summed = CHECKSUM_UNNECESSARY;
+				else
+					sub_skb->ip_summed = CHECKSUM_NONE;
+
+#else
+				sub_skb->ip_summed = CHECKSUM_NONE; /* 802.11 crc not sufficient */
+#endif
+				ieee->last_rx_ps_time = jiffies;
+				netif_rx(sub_skb);
+			}
+		}
+		kfree(prxb);
+		prxb = NULL;
+	}
+}
+
+void
+rtllib_FlushRxTsPendingPkts(struct rtllib_device *ieee,	PRX_TS_RECORD pTS)
+{
+	PRX_REORDER_ENTRY	pRxReorderEntry;
+	struct rtllib_rxb*		RfdArray[REORDER_WIN_SIZE];
+	u8					RfdCnt = 0;
+
+
+	del_timer_sync(&pTS->RxPktPendingTimer);
+	while(!list_empty(&pTS->RxPendingPktList))
+	{
+		if (RfdCnt >= REORDER_WIN_SIZE){
+			printk("-------------->%s() error! RfdCnt >= REORDER_WIN_SIZE\n", __func__);
+			break;
+		}
+
+		pRxReorderEntry = (PRX_REORDER_ENTRY)list_entry(pTS->RxPendingPktList.prev,RX_REORDER_ENTRY,List);
+		RTLLIB_DEBUG(RTLLIB_DL_REORDER,"%s(): Indicate SeqNum %d!\n",__func__, pRxReorderEntry->SeqNum);
+		list_del_init(&pRxReorderEntry->List);
+
+		RfdArray[RfdCnt] = pRxReorderEntry->prxb;
+
+		RfdCnt = RfdCnt + 1;
+		list_add_tail(&pRxReorderEntry->List, &ieee->RxReorder_Unused_List);
+	}
+	rtllib_indicate_packets(ieee, RfdArray, RfdCnt);
+
+	pTS->RxIndicateSeq = 0xffff;
+
+#ifdef MERGE_TO_DO
+#endif
+}
+
+
+void RxReorderIndicatePacket( struct rtllib_device *ieee,
+		struct rtllib_rxb* prxb,
+		PRX_TS_RECORD		pTS,
+		u16			SeqNum)
+{
+	PRT_HIGH_THROUGHPUT	pHTInfo = ieee->pHTInfo;
+	PRX_REORDER_ENTRY	pReorderEntry = NULL;
+	struct rtllib_rxb* prxbIndicateArray[REORDER_WIN_SIZE];
+	u8			WinSize = pHTInfo->RxReorderWinSize;
+	u16			WinEnd = 0;
+	u8			index = 0;
+	bool			bMatchWinStart = false, bPktInBuf = false;
+	unsigned long flags;
+
+	RTLLIB_DEBUG(RTLLIB_DL_REORDER,"%s(): Seq is %d,pTS->RxIndicateSeq is %d, WinSize is %d\n",__func__,SeqNum,pTS->RxIndicateSeq,WinSize);
+
+	spin_lock_irqsave(&(ieee->reorder_spinlock), flags);
+
+	WinEnd = (pTS->RxIndicateSeq + WinSize -1)%4096;
+	/* Rx Reorder initialize condition.*/
+	if (pTS->RxIndicateSeq == 0xffff) {
+		pTS->RxIndicateSeq = SeqNum;
+	}
+
+	/* Drop out the packet which SeqNum is smaller than WinStart */
+	if (SN_LESS(SeqNum, pTS->RxIndicateSeq)) {
+		RTLLIB_DEBUG(RTLLIB_DL_REORDER,"Packet Drop! IndicateSeq: %d, NewSeq: %d\n",
+				 pTS->RxIndicateSeq, SeqNum);
+		pHTInfo->RxReorderDropCounter++;
+		{
+			int i;
+			for (i =0; i < prxb->nr_subframes; i++) {
+				dev_kfree_skb(prxb->subframes[i]);
+			}
+			kfree(prxb);
+			prxb = NULL;
+		}
+		spin_unlock_irqrestore(&(ieee->reorder_spinlock), flags);
+		return;
+	}
+
+	/*
+	 * Sliding window manipulation. Conditions includes:
+	 * 1. Incoming SeqNum is equal to WinStart =>Window shift 1
+	 * 2. Incoming SeqNum is larger than the WinEnd => Window shift N
+	 */
+	if (SN_EQUAL(SeqNum, pTS->RxIndicateSeq)) {
+		pTS->RxIndicateSeq = (pTS->RxIndicateSeq + 1) % 4096;
+		bMatchWinStart = true;
+	} else if (SN_LESS(WinEnd, SeqNum)) {
+		if (SeqNum >= (WinSize - 1)) {
+			pTS->RxIndicateSeq = SeqNum + 1 -WinSize;
+		} else {
+			pTS->RxIndicateSeq = 4095 - (WinSize - (SeqNum +1)) + 1;
+		}
+		RTLLIB_DEBUG(RTLLIB_DL_REORDER, "Window Shift! IndicateSeq: %d, NewSeq: %d\n",pTS->RxIndicateSeq, SeqNum);
+	}
+
+	/*
+	 * Indication process.
+	 * After Packet dropping and Sliding Window shifting as above, we can now just indicate the packets
+	 * with the SeqNum smaller than latest WinStart and buffer other packets.
+	 */
+	/* For Rx Reorder condition:
+	 * 1. All packets with SeqNum smaller than WinStart => Indicate
+	 * 2. All packets with SeqNum larger than or equal to WinStart => Buffer it.
+	 */
+	if (bMatchWinStart) {
+		/* Current packet is going to be indicated.*/
+		RTLLIB_DEBUG(RTLLIB_DL_REORDER, "Packets indication!! IndicateSeq: %d, NewSeq: %d\n",\
+				pTS->RxIndicateSeq, SeqNum);
+		prxbIndicateArray[0] = prxb;
+		index = 1;
+	} else {
+		/* Current packet is going to be inserted into pending list.*/
+		if (!list_empty(&ieee->RxReorder_Unused_List)) {
+			pReorderEntry = (PRX_REORDER_ENTRY)list_entry(ieee->RxReorder_Unused_List.next,RX_REORDER_ENTRY,List);
+			list_del_init(&pReorderEntry->List);
+
+			/* Make a reorder entry and insert into a the packet list.*/
+			pReorderEntry->SeqNum = SeqNum;
+			pReorderEntry->prxb = prxb;
+
+#if 1
+			if (!AddReorderEntry(pTS, pReorderEntry)) {
+				RTLLIB_DEBUG(RTLLIB_DL_REORDER, "%s(): Duplicate packet is dropped!! IndicateSeq: %d, NewSeq: %d\n",
+					__func__, pTS->RxIndicateSeq, SeqNum);
+				list_add_tail(&pReorderEntry->List,&ieee->RxReorder_Unused_List);
+				{
+					int i;
+					for (i =0; i < prxb->nr_subframes; i++) {
+						dev_kfree_skb(prxb->subframes[i]);
+					}
+					kfree(prxb);
+					prxb = NULL;
+				}
+			} else {
+				RTLLIB_DEBUG(RTLLIB_DL_REORDER,
+					 "Pkt insert into buffer!! IndicateSeq: %d, NewSeq: %d\n",pTS->RxIndicateSeq, SeqNum);
+			}
+#endif
+		}
+		else {
+			/*
+			 * Packets are dropped if there is not enough reorder entries.
+			 * This part shall be modified!! We can just indicate all the
+			 * packets in buffer and get reorder entries.
+			 */
+			RTLLIB_DEBUG(RTLLIB_DL_ERR, "RxReorderIndicatePacket(): There is no reorder entry!! Packet is dropped!!\n");
+			{
+				int i;
+				for (i =0; i < prxb->nr_subframes; i++) {
+					dev_kfree_skb(prxb->subframes[i]);
+				}
+				kfree(prxb);
+				prxb = NULL;
+			}
+		}
+	}
+
+	/* Check if there is any packet need indicate.*/
+	while(!list_empty(&pTS->RxPendingPktList)) {
+		RTLLIB_DEBUG(RTLLIB_DL_REORDER,"%s(): start RREORDER indicate\n",__func__);
+#if 1
+		pReorderEntry = (PRX_REORDER_ENTRY)list_entry(pTS->RxPendingPktList.prev,RX_REORDER_ENTRY,List);
+		if ( SN_LESS(pReorderEntry->SeqNum, pTS->RxIndicateSeq) ||
+				SN_EQUAL(pReorderEntry->SeqNum, pTS->RxIndicateSeq))
+		{
+			/* This protect buffer from overflow. */
+			if (index >= REORDER_WIN_SIZE) {
+				RTLLIB_DEBUG(RTLLIB_DL_ERR, "RxReorderIndicatePacket(): Buffer overflow!! \n");
+				bPktInBuf = true;
+				break;
+			}
+
+			list_del_init(&pReorderEntry->List);
+
+			if (SN_EQUAL(pReorderEntry->SeqNum, pTS->RxIndicateSeq))
+				pTS->RxIndicateSeq = (pTS->RxIndicateSeq + 1) % 4096;
+
+			prxbIndicateArray[index] = pReorderEntry->prxb;
+			RTLLIB_DEBUG(RTLLIB_DL_REORDER,"%s(): Indicate SeqNum %d!\n",__func__, pReorderEntry->SeqNum);
+			index++;
+
+			list_add_tail(&pReorderEntry->List,&ieee->RxReorder_Unused_List);
+		} else {
+			bPktInBuf = true;
+			break;
+		}
+#endif
+	}
+
+	/* Handling pending timer. Set this timer to prevent from long time Rx buffering.*/
+	if (index>0) {
+		if (timer_pending(&pTS->RxPktPendingTimer)){
+			del_timer_sync(&pTS->RxPktPendingTimer);
+		}
+		pTS->RxTimeoutIndicateSeq = 0xffff;
+
+		if (index>REORDER_WIN_SIZE){
+			RTLLIB_DEBUG(RTLLIB_DL_ERR, "RxReorderIndicatePacket(): Rx Reorer buffer full!! \n");
+			spin_unlock_irqrestore(&(ieee->reorder_spinlock), flags);
+			return;
+		}
+		rtllib_indicate_packets(ieee, prxbIndicateArray, index);
+		bPktInBuf = false;
+	}
+
+	if (bPktInBuf && pTS->RxTimeoutIndicateSeq==0xffff) {
+		RTLLIB_DEBUG(RTLLIB_DL_REORDER,"%s(): SET rx timeout timer\n", __func__);
+		pTS->RxTimeoutIndicateSeq = pTS->RxIndicateSeq;
+		mod_timer(&pTS->RxPktPendingTimer,  jiffies + MSECS(pHTInfo->RxReorderPendingTime));
+	}
+	spin_unlock_irqrestore(&(ieee->reorder_spinlock), flags);
+}
+
+u8 parse_subframe(struct rtllib_device* ieee,struct sk_buff *skb,
+                  struct rtllib_rx_stats *rx_stats,
+		  struct rtllib_rxb *rxb,u8* src,u8* dst)
+{
+	struct rtllib_hdr_3addr  *hdr = (struct rtllib_hdr_3addr* )skb->data;
+	u16		fc = le16_to_cpu(hdr->frame_ctl);
+
+	u16		LLCOffset= sizeof(struct rtllib_hdr_3addr);
+	u16		ChkLength;
+	bool		bIsAggregateFrame = false;
+	u16		nSubframe_Length;
+	u8		nPadding_Length = 0;
+	u16		SeqNum=0;
+	struct sk_buff *sub_skb;
+	u8             *data_ptr;
+	/* just for debug purpose */
+	SeqNum = WLAN_GET_SEQ_SEQ(le16_to_cpu(hdr->seq_ctl));
+	if ((RTLLIB_QOS_HAS_SEQ(fc))&&\
+			(((frameqos *)(skb->data + RTLLIB_3ADDR_LEN))->field.reserved)) {
+		bIsAggregateFrame = true;
+	}
+
+	if (RTLLIB_QOS_HAS_SEQ(fc)) {
+		LLCOffset += 2;
+	}
+	if (rx_stats->bContainHTC) {
+		LLCOffset += sHTCLng;
+	}
+
+	ChkLength = LLCOffset;/* + (Frame_WEP(frame)!=0 ?Adapter->MgntInfo.SecurityInfo.EncryptionHeadOverhead:0);*/
+
+	if ( skb->len <= ChkLength ) {
+		return 0;
+	}
+
+	skb_pull(skb, LLCOffset);
+	ieee->bIsAggregateFrame = bIsAggregateFrame;
+	if (!bIsAggregateFrame) {
+		rxb->nr_subframes = 1;
+
+		/* altered by clark 3/30/2010
+		 * The buffer size of the skb indicated to upper layer
+		 * must be less than 5000, or the defraged IP datagram
+		 * in the IP layer will exceed "ipfrag_high_tresh" and be
+		 * discarded. so there must not use the function
+		 * "skb_copy" and "skb_clone" for "skb".
+		 */
+
+		/* Allocate new skb for releasing to upper layer */
+		sub_skb = dev_alloc_skb(RTLLIB_SKBBUFFER_SIZE);
+		skb_reserve(sub_skb, 12);
+		data_ptr = (u8 *)skb_put(sub_skb, skb->len);
+		memcpy(data_ptr, skb->data, skb->len);
+		sub_skb->dev = ieee->dev;
+
+		rxb->subframes[0] = sub_skb;
+
+		memcpy(rxb->src,src,ETH_ALEN);
+		memcpy(rxb->dst,dst,ETH_ALEN);
+		rxb->subframes[0]->dev = ieee->dev;
+		return 1;
+	} else {
+		rxb->nr_subframes = 0;
+		memcpy(rxb->src,src,ETH_ALEN);
+		memcpy(rxb->dst,dst,ETH_ALEN);
+		while(skb->len > ETHERNET_HEADER_SIZE) {
+			/* Offset 12 denote 2 mac address */
+			nSubframe_Length = *((u16*)(skb->data + 12));
+			nSubframe_Length = (nSubframe_Length>>8) + (nSubframe_Length<<8);
+
+			if (skb->len<(ETHERNET_HEADER_SIZE + nSubframe_Length)) {
+				printk("%s: A-MSDU parse error!! pRfd->nTotalSubframe : %d\n",\
+						__func__,rxb->nr_subframes);
+				printk("%s: A-MSDU parse error!! Subframe Length: %d\n",__func__, nSubframe_Length);
+				printk("nRemain_Length is %d and nSubframe_Length is : %d\n",skb->len,nSubframe_Length);
+				printk("The Packet SeqNum is %d\n",SeqNum);
+				return 0;
+			}
+
+			/* move the data point to data content */
+			skb_pull(skb, ETHERNET_HEADER_SIZE);
+
+			/* altered by clark 3/30/2010
+			 * The buffer size of the skb indicated to upper layer
+			 * must be less than 5000, or the defraged IP datagram
+			 * in the IP layer will exceed "ipfrag_high_tresh" and be
+			 * discarded. so there must not use the function
+			 * "skb_copy" and "skb_clone" for "skb".
+			 */
+
+			/* Allocate new skb for releasing to upper layer */
+			sub_skb = dev_alloc_skb(nSubframe_Length + 12);
+			skb_reserve(sub_skb, 12);
+			data_ptr = (u8 *)skb_put(sub_skb, nSubframe_Length);
+			memcpy(data_ptr,skb->data,nSubframe_Length);
+
+			sub_skb->dev = ieee->dev;
+			rxb->subframes[rxb->nr_subframes++] = sub_skb;
+			if (rxb->nr_subframes >= MAX_SUBFRAME_COUNT) {
+				RTLLIB_DEBUG_RX("ParseSubframe(): Too many Subframes! Packets dropped!\n");
+				break;
+			}
+			skb_pull(skb,nSubframe_Length);
+
+			if (skb->len != 0) {
+				nPadding_Length = 4 - ((nSubframe_Length + ETHERNET_HEADER_SIZE) % 4);
+				if (nPadding_Length == 4) {
+					nPadding_Length = 0;
+				}
+
+				if (skb->len < nPadding_Length) {
+					return 0;
+				}
+
+				skb_pull(skb,nPadding_Length);
+			}
+		}
+
+		return rxb->nr_subframes;
+	}
+}
+
+
+size_t rtllib_rx_get_hdrlen(struct rtllib_device *ieee, struct sk_buff *skb,
+		 struct rtllib_rx_stats *rx_stats)
+{
+	struct rtllib_hdr_4addr *hdr = (struct rtllib_hdr_4addr *)skb->data;
+	u16 fc = le16_to_cpu(hdr->frame_ctl);
+	size_t hdrlen = 0;
+
+	hdrlen = rtllib_get_hdrlen(fc);
+	if (HTCCheck(ieee, skb->data)) {
+		if (net_ratelimit())
+			printk("%s: find HTCControl!\n", __func__);
+		hdrlen += 4;
+		rx_stats->bContainHTC = 1;
+	}
+
+	 if (RTLLIB_QOS_HAS_SEQ(fc))
+		rx_stats->bIsQosData = 1;
+
+	return hdrlen;
+}
+
+int rtllib_rx_check_duplicate(struct rtllib_device *ieee, struct sk_buff *skb, u8 multicast)
+{
+	struct rtllib_hdr_4addr *hdr = (struct rtllib_hdr_4addr *)skb->data;
+	u16 fc, sc;
+	u8 frag, type, stype;
+
+	fc = le16_to_cpu(hdr->frame_ctl);
+	type = WLAN_FC_GET_TYPE(fc);
+	stype = WLAN_FC_GET_STYPE(fc);
+	sc = le16_to_cpu(hdr->seq_ctl);
+	frag = WLAN_GET_SEQ_FRAG(sc);
+
+	if ( (ieee->pHTInfo->bCurRxReorderEnable == false) ||
+		!ieee->current_network.qos_data.active ||
+		!IsDataFrame(skb->data) ||
+		IsLegacyDataFrame(skb->data)) {
+		if (!((type == RTLLIB_FTYPE_MGMT) && (stype == RTLLIB_STYPE_BEACON))){
+			if (is_duplicate_packet(ieee, hdr)){
+				return -1;
+			}
+		}
+	} else {
+		PRX_TS_RECORD pRxTS = NULL;
+		if (GetTs(ieee, (PTS_COMMON_INFO*) &pRxTS, hdr->addr2,
+			(u8)Frame_QoSTID((u8*)(skb->data)), RX_DIR, true)) {
+			if ((fc & (1<<11)) && (frag == pRxTS->RxLastFragNum) &&
+			    (WLAN_GET_SEQ_SEQ(sc) == pRxTS->RxLastSeqNum)) {
+				return -1;
+			} else {
+				pRxTS->RxLastFragNum = frag;
+				pRxTS->RxLastSeqNum = WLAN_GET_SEQ_SEQ(sc);
+			}
+		} else {
+			RTLLIB_DEBUG(RTLLIB_DL_ERR, "ERR!!%s(): No TS!! Skip the check!!\n",__func__);
+			return -1;
+		}
+	}
+
+	return 0;
+}
+void rtllib_rx_extract_addr(struct rtllib_device *ieee, struct rtllib_hdr_4addr *hdr, u8 *dst, u8 *src, u8 *bssid)
+{
+	u16 fc = le16_to_cpu(hdr->frame_ctl);
+
+	switch (fc & (RTLLIB_FCTL_FROMDS | RTLLIB_FCTL_TODS)) {
+		case RTLLIB_FCTL_FROMDS:
+			memcpy(dst, hdr->addr1, ETH_ALEN);
+			memcpy(src, hdr->addr3, ETH_ALEN);
+			memcpy(bssid, hdr->addr2, ETH_ALEN);
+			break;
+		case RTLLIB_FCTL_TODS:
+			memcpy(dst, hdr->addr3, ETH_ALEN);
+			memcpy(src, hdr->addr2, ETH_ALEN);
+			memcpy(bssid, hdr->addr1, ETH_ALEN);
+			break;
+		case RTLLIB_FCTL_FROMDS | RTLLIB_FCTL_TODS:
+			memcpy(dst, hdr->addr3, ETH_ALEN);
+			memcpy(src, hdr->addr4, ETH_ALEN);
+			memcpy(bssid, ieee->current_network.bssid, ETH_ALEN);
+			break;
+		case 0:
+			memcpy(dst, hdr->addr1, ETH_ALEN);
+			memcpy(src, hdr->addr2, ETH_ALEN);
+			memcpy(bssid, hdr->addr3, ETH_ALEN);
+			break;
+	}
+}
+int rtllib_rx_data_filter(struct rtllib_device *ieee, u16 fc, u8 *dst, u8 *src, u8 *bssid, u8 *addr2)
+{
+	u8 zero_addr[ETH_ALEN] = {0};
+	u8 type, stype;
+
+	type = WLAN_FC_GET_TYPE(fc);
+	stype = WLAN_FC_GET_STYPE(fc);
+
+	/* Filter frames from different BSS */
+	if (((fc & RTLLIB_FCTL_DSTODS) != RTLLIB_FCTL_DSTODS)
+                && (compare_ether_addr(ieee->current_network.bssid, bssid) != 0)
+                && memcmp(ieee->current_network.bssid, zero_addr, ETH_ALEN)) {
+		return -1;
+	}
+
+	/* Filter packets sent by an STA that will be forwarded by AP */
+	if ( ieee->IntelPromiscuousModeInfo.bPromiscuousOn  &&
+                ieee->IntelPromiscuousModeInfo.bFilterSourceStationFrame ) {
+		if ((fc & RTLLIB_FCTL_TODS) && !(fc & RTLLIB_FCTL_FROMDS) &&
+			(compare_ether_addr(dst, ieee->current_network.bssid) != 0) &&
+			(compare_ether_addr(bssid, ieee->current_network.bssid) == 0)) {
+			return -1;
+		}
+	}
+
+	/* Nullfunc frames may have PS-bit set, so they must be passed to
+	 * hostap_handle_sta_rx() before being dropped here. */
+	if (!ieee->IntelPromiscuousModeInfo.bPromiscuousOn){
+		if (stype != RTLLIB_STYPE_DATA &&
+		    stype != RTLLIB_STYPE_DATA_CFACK &&
+		    stype != RTLLIB_STYPE_DATA_CFPOLL &&
+		    stype != RTLLIB_STYPE_DATA_CFACKPOLL&&
+		    stype != RTLLIB_STYPE_QOS_DATA
+		    ) {
+			if (stype != RTLLIB_STYPE_NULLFUNC)
+				RTLLIB_DEBUG_DROP(
+					"RX: dropped data frame "
+					"with no data (type=0x%02x, "
+					"subtype=0x%02x)\n",
+					type, stype);
+			return -1;
+		}
+	}
+
+	if (ieee->iw_mode != IW_MODE_MESH) {
+		/* packets from our adapter are dropped (echo) */
+		if (!memcmp(src, ieee->dev->dev_addr, ETH_ALEN))
+			return -1;
+
+		/* {broad,multi}cast packets to our BSS go through */
+		if (is_multicast_ether_addr(dst) || is_broadcast_ether_addr(dst)) {
+			if (memcmp(bssid, ieee->current_network.bssid, ETH_ALEN)) {
+				return -1;
+			}
+		}
+	}
+	return 0;
+}
+int rtllib_rx_get_crypt(
+		struct rtllib_device *ieee,
+		struct sk_buff *skb,
+		struct rtllib_crypt_data **crypt,
+		size_t hdrlen)
+{
+	struct rtllib_hdr_4addr *hdr = (struct rtllib_hdr_4addr *)skb->data;
+	u16 fc = le16_to_cpu(hdr->frame_ctl);
+	int idx = 0;
+
+	if (ieee->host_decrypt) {
+		if (skb->len >= hdrlen + 3)
+			idx = skb->data[hdrlen + 3] >> 6;
+
+		*crypt = ieee->crypt[idx];
+		/* allow NULL decrypt to indicate an station specific override
+		 * for default encryption */
+		if (*crypt && ((*crypt)->ops == NULL ||
+			      (*crypt)->ops->decrypt_mpdu == NULL))
+			*crypt = NULL;
+
+		if (!*crypt && (fc & RTLLIB_FCTL_WEP)) {
+			/* This seems to be triggered by some (multicast?)
+			 * frames from other than current BSS, so just drop the
+			 * frames silently instead of filling system log with
+			 * these reports. */
+			RTLLIB_DEBUG_DROP("Decryption failed (not set)"
+					     " (SA=" MAC_FMT ")\n",
+					     MAC_ARG(hdr->addr2));
+			ieee->ieee_stats.rx_discards_undecryptable++;
+			return -1;
+		}
+	}
+
+	return 0;
+}
+int rtllib_rx_decrypt(
+		struct rtllib_device *ieee,
+		struct sk_buff *skb,
+		struct rtllib_rx_stats *rx_stats,
+		struct rtllib_crypt_data *crypt,
+		size_t hdrlen)
+{
+	struct rtllib_hdr_4addr *hdr;
+	int keyidx = 0;
+	u16 fc, sc;
+	u8 frag;
+
+	hdr = (struct rtllib_hdr_4addr *)skb->data;
+	fc = le16_to_cpu(hdr->frame_ctl);
+	sc = le16_to_cpu(hdr->seq_ctl);
+	frag = WLAN_GET_SEQ_FRAG(sc);
+
+	if ((!rx_stats->Decrypted)){
+		ieee->need_sw_enc = 1;
+	}else{
+		ieee->need_sw_enc = 0;
+	}
+
+	if (ieee->host_decrypt && (fc & RTLLIB_FCTL_WEP) &&
+	    ((keyidx = rtllib_rx_frame_decrypt(ieee, skb, crypt)) < 0)) {
+		printk("%s: decrypt frame error\n", __func__);
+		return -1;
+	}
+
+	hdr = (struct rtllib_hdr_4addr *) skb->data;
+	if ((frag != 0 || (fc & RTLLIB_FCTL_MOREFRAGS))) {
+		int flen;
+		struct sk_buff *frag_skb = rtllib_frag_cache_get(ieee, hdr);
+		RTLLIB_DEBUG_FRAG("Rx Fragment received (%u)\n", frag);
+
+		if (!frag_skb) {
+			RTLLIB_DEBUG(RTLLIB_DL_RX | RTLLIB_DL_FRAG,
+					"Rx cannot get skb from fragment "
+					"cache (morefrag=%d seq=%u frag=%u)\n",
+					(fc & RTLLIB_FCTL_MOREFRAGS) != 0,
+					WLAN_GET_SEQ_SEQ(sc), frag);
+			return -1;
+		}
+		flen = skb->len;
+		if (frag != 0)
+			flen -= hdrlen;
+
+		if (frag_skb->tail + flen > frag_skb->end) {
+			printk(KERN_WARNING "%s: host decrypted and "
+			       "reassembled frame did not fit skb\n",
+			       __func__);
+			rtllib_frag_cache_invalidate(ieee, hdr);
+			return -1;
+		}
+
+		if (frag == 0) {
+			/* copy first fragment (including full headers) into
+			 * beginning of the fragment cache skb */
+			memcpy(skb_put(frag_skb, flen), skb->data, flen);
+		} else {
+			/* append frame payload to the end of the fragment
+			 * cache skb */
+			memcpy(skb_put(frag_skb, flen), skb->data + hdrlen,
+			       flen);
+		}
+		dev_kfree_skb_any(skb);
+		skb = NULL;
+
+		if (fc & RTLLIB_FCTL_MOREFRAGS) {
+			/* more fragments expected - leave the skb in fragment
+			 * cache for now; it will be delivered to upper layers
+			 * after all fragments have been received */
+			return -2;
+		}
+
+		/* this was the last fragment and the frame will be
+		 * delivered, so remove skb from fragment cache */
+		skb = frag_skb;
+		hdr = (struct rtllib_hdr_4addr *) skb->data;
+		rtllib_frag_cache_invalidate(ieee, hdr);
+	}
+
+	/* skb: hdr + (possible reassembled) full MSDU payload; possibly still
+	 * encrypted/authenticated */
+	if (ieee->host_decrypt && (fc & RTLLIB_FCTL_WEP) &&
+		rtllib_rx_frame_decrypt_msdu(ieee, skb, keyidx, crypt))
+	{
+		printk("%s: ==>decrypt msdu error\n", __func__);
+		return -1;
+	}
+
+	hdr = (struct rtllib_hdr_4addr *) skb->data;
+	if (crypt && !(fc & RTLLIB_FCTL_WEP) && !ieee->open_wep) {
+		if (/*ieee->ieee802_1x &&*/
+		    rtllib_is_eapol_frame(ieee, skb, hdrlen)) {
+
+#ifdef CONFIG_RTLLIB_DEBUG
+			/* pass unencrypted EAPOL frames even if encryption is
+			 * configured */
+			struct eapol *eap = (struct eapol *)(skb->data +
+				24);
+			RTLLIB_DEBUG_EAP("RX: IEEE 802.1X EAPOL frame: %s\n",
+						eap_get_type(eap->type));
+#endif
+		} else {
+			RTLLIB_DEBUG_DROP(
+				"encryption configured, but RX "
+				"frame not encrypted (SA=" MAC_FMT ")\n",
+				MAC_ARG(hdr->addr2));
+			return -1;
+		}
+	}
+
+#ifdef CONFIG_RTLLIB_DEBUG
+	if (crypt && !(fc & RTLLIB_FCTL_WEP) &&
+	    rtllib_is_eapol_frame(ieee, skb, hdrlen)) {
+			struct eapol *eap = (struct eapol *)(skb->data +
+				24);
+			RTLLIB_DEBUG_EAP("RX: IEEE 802.1X EAPOL frame: %s\n",
+						eap_get_type(eap->type));
+	}
+#endif
+
+	if (crypt && !(fc & RTLLIB_FCTL_WEP) && !ieee->open_wep &&
+	    !rtllib_is_eapol_frame(ieee, skb, hdrlen)) {
+		RTLLIB_DEBUG_DROP(
+			"dropped unencrypted RX data "
+			"frame from " MAC_FMT
+			" (drop_unencrypted=1)\n",
+			MAC_ARG(hdr->addr2));
+		return -1;
+	}
+
+	if (rtllib_is_eapol_frame(ieee, skb, hdrlen)) {
+		printk(KERN_WARNING "RX: IEEE802.1X EAPOL frame!\n");
+	}
+
+	return 0;
+}
+void rtllib_rx_check_leave_lps(struct rtllib_device *ieee, u8 unicast, u8 nr_subframes)
+{
+#if !defined(RTL8192SU) && !defined(RTL8192U)
+	if (unicast){
+
+		if ((ieee->state == RTLLIB_LINKED) /*&& !MgntInitAdapterInProgress(pMgntInfo)*/)
+		{
+			if (	((ieee->LinkDetectInfo.NumRxUnicastOkInPeriod +ieee->LinkDetectInfo.NumTxOkInPeriod) > 8 ) ||
+				(ieee->LinkDetectInfo.NumRxUnicastOkInPeriod > 2) )
+			{
+				if (ieee->LeisurePSLeave)
+					ieee->LeisurePSLeave(ieee->dev);
+			}
+		}
+	}
+#endif
+	ieee->last_rx_ps_time = jiffies;
+}
+void rtllib_rx_indicate_pkt_legacy(
+		struct rtllib_device *ieee,
+		struct rtllib_rx_stats *rx_stats,
+		struct rtllib_rxb* rxb,
+		u8 *dst,
+		u8 *src)
+{
+	struct net_device *dev = ieee->dev;
+	u16 ethertype;
+	int i = 0;
+
+	if (rxb == NULL){
+		printk("%s: rxb is NULL!!\n", __func__);
+		return ;
+	}
+
+	for (i = 0; i<rxb->nr_subframes; i++) {
+		struct sk_buff *sub_skb = rxb->subframes[i];
+
+		if (sub_skb) {
+			/* convert hdr + possible LLC headers into Ethernet header */
+			ethertype = (sub_skb->data[6] << 8) | sub_skb->data[7];
+			if (sub_skb->len >= 8 &&
+					((memcmp(sub_skb->data, rfc1042_header, SNAP_SIZE) == 0 &&
+					  ethertype != ETH_P_AARP && ethertype != ETH_P_IPX) ||
+					 memcmp(sub_skb->data, bridge_tunnel_header, SNAP_SIZE) == 0)) {
+				/* remove RFC1042 or Bridge-Tunnel encapsulation and
+				 * replace EtherType */
+				skb_pull(sub_skb, SNAP_SIZE);
+				memcpy(skb_push(sub_skb, ETH_ALEN), src, ETH_ALEN);
+				memcpy(skb_push(sub_skb, ETH_ALEN), dst, ETH_ALEN);
+			} else {
+				u16 len;
+				/* Leave Ethernet header part of hdr and full payload */
+				len = htons(sub_skb->len);
+				memcpy(skb_push(sub_skb, 2), &len, 2);
+				memcpy(skb_push(sub_skb, ETH_ALEN), src, ETH_ALEN);
+				memcpy(skb_push(sub_skb, ETH_ALEN), dst, ETH_ALEN);
+			}
+
+			ieee->stats.rx_packets++;
+			ieee->stats.rx_bytes += sub_skb->len;
+
+			if (is_multicast_ether_addr(dst)) {
+				ieee->stats.multicast++;
+			}
+
+			/* Indicat the packets to upper layer */
+			memset(sub_skb->cb, 0, sizeof(sub_skb->cb));
+			sub_skb->protocol = eth_type_trans(sub_skb, dev);
+			sub_skb->dev = dev;
+			sub_skb->dev->stats.rx_packets++;
+			sub_skb->dev->stats.rx_bytes += sub_skb->len;
+#ifdef TCP_CSUM_OFFLOAD_RX
+			if ( rx_stats->tcp_csum_valid)
+				sub_skb->ip_summed = CHECKSUM_UNNECESSARY;
+			else
+				sub_skb->ip_summed = CHECKSUM_NONE;
+#else
+			sub_skb->ip_summed = CHECKSUM_NONE; /* 802.11 crc not sufficient */
+#endif
+			netif_rx(sub_skb);
+		}
+	}
+	kfree(rxb);
+	rxb = NULL;
+}
+int rtllib_rx_InfraAdhoc(struct rtllib_device *ieee, struct sk_buff *skb,
+		 struct rtllib_rx_stats *rx_stats)
+{
+	struct net_device *dev = ieee->dev;
+	struct rtllib_hdr_4addr *hdr = (struct rtllib_hdr_4addr *)skb->data;
+	struct rtllib_crypt_data *crypt = NULL;
+#if defined(RTL8192U) || defined(RTL8192SU) || defined(RTL8192SE)
+	struct sta_info * psta = NULL;
+#endif
+	struct rtllib_rxb* rxb = NULL;
+	PRX_TS_RECORD pTS = NULL;
+	u16 fc, sc, SeqNum = 0;
+	u8 type, stype, multicast = 0, unicast = 0, nr_subframes = 0, TID = 0;
+	u8 dst[ETH_ALEN], src[ETH_ALEN], bssid[ETH_ALEN] = {0}, *payload;
+	size_t hdrlen = 0;
+	bool bToOtherSTA = false;
+	int ret = 0, i = 0;
+
+	hdr = (struct rtllib_hdr_4addr *)skb->data;
+	fc = le16_to_cpu(hdr->frame_ctl);
+	type = WLAN_FC_GET_TYPE(fc);
+	stype = WLAN_FC_GET_STYPE(fc);
+	sc = le16_to_cpu(hdr->seq_ctl);
+
+	/*Filter pkt not to me*/
+	multicast = is_multicast_ether_addr(hdr->addr1)|is_broadcast_ether_addr(hdr->addr1);
+	unicast = !multicast;
+	if (unicast && (compare_ether_addr(dev->dev_addr, hdr->addr1) != 0)) {
+		if (ieee->bNetPromiscuousMode)
+			bToOtherSTA = true;
+		else
+			goto rx_dropped;
+	}
+
+	/*Filter pkt has too small length */
+	hdrlen = rtllib_rx_get_hdrlen(ieee, skb, rx_stats);
+	if (skb->len < hdrlen){
+		printk("%s():ERR!!! skb->len is smaller than hdrlen\n",__func__);
+		goto rx_dropped;
+	}
+
+	/* Filter Duplicate pkt */
+	ret = rtllib_rx_check_duplicate(ieee, skb, multicast);
+	if (ret < 0)
+		goto rx_dropped;
+
+	/* Filter CTRL Frame */
+	if (type == RTLLIB_FTYPE_CTL) {
+		goto rx_dropped;
+	}
+
+	/* Filter MGNT Frame */
+	if (type == RTLLIB_FTYPE_MGMT) {
+		if (bToOtherSTA)
+			goto rx_dropped;
+		if (rtllib_rx_frame_mgmt(ieee, skb, rx_stats, type, stype))
+			goto rx_dropped;
+		else
+			goto rx_exit;
+	}
+
+	/* Filter WAPI DATA Frame */
+
+	/* Update statstics for AP roaming */
+	if (!bToOtherSTA){
+		ieee->LinkDetectInfo.NumRecvDataInPeriod++;
+		ieee->LinkDetectInfo.NumRxOkInPeriod++;
+	}
+	dev->last_rx = jiffies;
+
+	/* Data frame - extract src/dst addresses */
+	rtllib_rx_extract_addr(ieee, hdr, dst, src, bssid);
+
+	/* Filter Data frames */
+	ret = rtllib_rx_data_filter(ieee, fc, dst, src, bssid, hdr->addr2);
+	if (ret < 0)
+		goto rx_dropped;
+
+	if (skb->len == hdrlen){
+		goto rx_dropped;
+	}
+
+	/* Send pspoll based on moredata */
+	if ((ieee->iw_mode == IW_MODE_INFRA)  && (ieee->sta_sleep == LPS_IS_SLEEP)
+		&& (ieee->polling) && (!bToOtherSTA)) {
+		if (WLAN_FC_MORE_DATA(fc)) {
+			/* more data bit is set, let's request a new frame from the AP */
+			rtllib_sta_ps_send_pspoll_frame(ieee);
+		} else {
+			ieee->polling =  false;
+		}
+	}
+
+#if defined(RTL8192U) || defined(RTL8192SU) || defined(RTL8192SE)
+	if (ieee->iw_mode == IW_MODE_ADHOC){
+		psta = GetStaInfo(ieee, src);
+		if (NULL != psta)
+			psta->LastActiveTime = jiffies;
+	}
+#endif
+
+	/* Get crypt if encrypted */
+	ret = rtllib_rx_get_crypt(ieee, skb, &crypt, hdrlen);
+	if (ret == -1)
+		goto rx_dropped;
+
+	/* Decrypt data frame (including reassemble) */
+	ret = rtllib_rx_decrypt(ieee, skb, rx_stats, crypt, hdrlen);
+	if (ret == -1)
+		goto rx_dropped;
+	else if (ret == -2)
+		goto rx_exit;
+
+	/* Get TS for Rx Reorder  */
+	hdr = (struct rtllib_hdr_4addr *) skb->data;
+	if (ieee->current_network.qos_data.active && IsQoSDataFrame(skb->data)
+		&& !is_multicast_ether_addr(hdr->addr1) && !is_broadcast_ether_addr(hdr->addr1)
+		&& (!bToOtherSTA))
+	{
+		TID = Frame_QoSTID(skb->data);
+		SeqNum = WLAN_GET_SEQ_SEQ(sc);
+		GetTs(ieee,(PTS_COMMON_INFO*) &pTS,hdr->addr2,TID,RX_DIR,true);
+		if (TID !=0 && TID !=3){
+			ieee->bis_any_nonbepkts = true;
+		}
+	}
+
+	/* Parse rx data frame (For AMSDU) */
+	/* skb: hdr + (possible reassembled) full plaintext payload */
+	payload = skb->data + hdrlen;
+	rxb = (struct rtllib_rxb*)kmalloc(sizeof(struct rtllib_rxb),GFP_ATOMIC);
+	if (rxb == NULL)
+	{
+		RTLLIB_DEBUG(RTLLIB_DL_ERR,"%s(): kmalloc rxb error\n",__func__);
+		goto rx_dropped;
+	}
+	/* to parse amsdu packets */
+	/* qos data packets & reserved bit is 1 */
+	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]);
+		}
+		kfree(rxb);
+		rxb = NULL;
+		goto rx_dropped;
+	}
+
+	/* Update WAPI PN */
+
+	/* Check if leave LPS */
+	if (!bToOtherSTA){
+		if (ieee->bIsAggregateFrame)
+			nr_subframes = rxb->nr_subframes;
+		else
+			nr_subframes = 1;
+		if (unicast)
+			ieee->LinkDetectInfo.NumRxUnicastOkInPeriod += nr_subframes;
+		rtllib_rx_check_leave_lps(ieee, unicast, nr_subframes);
+	}
+
+	/* Indicate packets to upper layer or Rx Reorder */
+	if (ieee->pHTInfo->bCurRxReorderEnable == false ||pTS == NULL || bToOtherSTA){
+		rtllib_rx_indicate_pkt_legacy(ieee, rx_stats, rxb, dst, src);
+	}else{
+#ifdef TCP_CSUM_OFFLOAD_RX
+		rxb->tcp_csum_valid = rx_stats->tcp_csum_valid;
+#endif
+		RxReorderIndicatePacket(ieee, rxb, pTS, SeqNum);
+	}
+
+	dev_kfree_skb(skb);
+
+ rx_exit:
+	return 1;
+
+ rx_dropped:
+	if (rxb != NULL)
+	{
+		kfree(rxb);
+		rxb = NULL;
+	}
+	ieee->stats.rx_dropped++;
+
+	/* Returning 0 indicates to caller that we have not handled the SKB--
+	 * so it is still allocated and can be used again by underlying
+	 * hardware as a DMA target */
+	return 0;
+}
+
+int rtllib_rx_Master(struct rtllib_device *ieee, struct sk_buff *skb,
+		 struct rtllib_rx_stats *rx_stats)
+{
+	return 0;
+}
+int rtllib_rx_Monitor(struct rtllib_device *ieee, struct sk_buff *skb,
+		 struct rtllib_rx_stats *rx_stats)
+{
+	struct rtllib_hdr_4addr *hdr = (struct rtllib_hdr_4addr *)skb->data;
+	u16 fc = le16_to_cpu(hdr->frame_ctl);
+	size_t hdrlen = rtllib_get_hdrlen(fc);
+
+	if (skb->len < hdrlen){
+		printk("%s():ERR!!! skb->len is smaller than hdrlen\n", __func__);
+		return 0;
+	}
+
+	if (HTCCheck(ieee, skb->data)) {
+		if (net_ratelimit())
+			printk("%s: Find HTCControl!\n", __func__);
+		hdrlen += 4;
+	}
+
+#if WIRELESS_EXT > 15
+	rtllib_monitor_rx(ieee, skb, rx_stats, hdrlen);
+	ieee->stats.rx_packets++;
+	ieee->stats.rx_bytes += skb->len;
+#endif
+	return 1;
+}
+
+int rtllib_rx_Mesh(struct rtllib_device *ieee, struct sk_buff *skb,
+		 struct rtllib_rx_stats *rx_stats)
+{
+	return 0;
+}
+
+#if 1
+/* All received frames are sent to this function. @skb contains the frame in
+ * IEEE 802.11 format, i.e., in the format it was sent over air.
+ * This function is called only as a tasklet (software IRQ). */
+int rtllib_rx(struct rtllib_device *ieee, struct sk_buff *skb,
+		 struct rtllib_rx_stats *rx_stats)
+{
+	int ret = 0;
+
+	if ((NULL==ieee) || (NULL==skb) || (NULL==rx_stats)){
+		printk(KERN_INFO "%s: Input parameters NULL!\n", __func__);
+		goto rx_dropped;
+	}
+	if (skb->len < 10) {
+		printk(KERN_INFO "%s: SKB length < 10 \n", __func__);
+		goto rx_dropped;
+	}
+
+	switch (ieee->iw_mode) {
+	case IW_MODE_ADHOC:
+	case IW_MODE_INFRA:
+		ret = rtllib_rx_InfraAdhoc(ieee, skb, rx_stats);
+		break;
+	case IW_MODE_MASTER:
+	case IW_MODE_REPEAT:
+		ret = rtllib_rx_Master(ieee, skb, rx_stats);
+		break;
+	case IW_MODE_MONITOR:
+		ret = rtllib_rx_Monitor(ieee, skb, rx_stats);
+		break;
+	case IW_MODE_MESH:
+		ret = rtllib_rx_Mesh(ieee, skb, rx_stats);
+		break;
+	default:
+		printk(KERN_INFO"%s: ERR iw mode!!!\n", __func__);
+		break;
+	}
+
+	return ret;
+
+ rx_dropped:
+	ieee->stats.rx_dropped++;
+	return 0;
+}
+#else
+int rtllib_rx(struct rtllib_device *ieee, struct sk_buff *skb,
+		 struct rtllib_rx_stats *rx_stats)
+{
+	struct net_device *dev = ieee->dev;
+	struct rtllib_hdr_4addr *hdr;
+	size_t hdrlen;
+	u16 fc, type, stype, sc;
+	struct net_device_stats *stats = NULL;
+	unsigned int frag;
+	u8 *payload;
+	u16 ethertype;
+	u8	TID = 0;
+	u16	SeqNum = 0;
+	PRX_TS_RECORD pTS = NULL;
+#ifdef NOT_YET
+	struct net_device *wds = NULL;
+	struct sk_buff *skb2 = NULL;
+	struct net_device *wds = NULL;
+	int frame_authorized = 0;
+	int from_assoc_ap = 0;
+	void *sta = NULL;
+#endif
+	u8 dst[ETH_ALEN];
+	u8 src[ETH_ALEN];
+	u8 bssid[ETH_ALEN] = {0};
+	u8 zero_addr[ETH_ALEN] = {0};
+	struct rtllib_crypt_data *crypt = NULL;
+	int keyidx = 0;
+#if defined(RTL8192U) || defined(RTL8192SU) || defined(RTL8192SE)
+	struct sta_info * psta = NULL;
+#endif
+	bool unicast_packet = false;
+	int i;
+	struct rtllib_rxb* rxb = NULL;
+	int multicast = 0;
+	bool tmp_dump = false;
+	bool bToOtherSTA = false;
+	hdr = (struct rtllib_hdr_4addr *)skb->data;
+	stats = &ieee->stats;
+
+	multicast = is_multicast_ether_addr(hdr->addr1)|is_broadcast_ether_addr(hdr->addr1);
+	if (!multicast && (compare_ether_addr(dev->dev_addr, hdr->addr1) != 0)) {
+		if ((ieee->iw_mode == IW_MODE_MONITOR) || ieee->bNetPromiscuousMode){
+			bToOtherSTA = true;
+		}else{
+			goto rx_dropped;
+		}
+	}
+
+	fc = le16_to_cpu(hdr->frame_ctl);
+	type = WLAN_FC_GET_TYPE(fc);
+	stype = WLAN_FC_GET_STYPE(fc);
+	sc = le16_to_cpu(hdr->seq_ctl);
+	frag = WLAN_GET_SEQ_FRAG(sc);
+
+	ieee->need_sw_enc = 0;
+
+	hdrlen = rtllib_get_hdrlen(fc);
+	if (skb->len < hdrlen){
+		printk("%s():ERR!!! skb->len is smaller than hdrlen\n",__func__);
+		goto rx_dropped;
+	}
+
+	if (HTCCheck(ieee, skb->data)) {
+		if (net_ratelimit())
+			printk("find HTCControl\n");
+		hdrlen += 4;
+		rx_stats->bContainHTC = 1;
+	}
+	if (RTLLIB_QOS_HAS_SEQ(fc))
+		rx_stats->bIsQosData = 1;
+	if ((0) && (type == RTLLIB_FTYPE_DATA) && ((is_broadcast_ether_addr(hdr->addr1)) || (compare_ether_addr(dev->dev_addr, hdr->addr1) == 0))) {
+		printk("===>RX data before decrypt\n");
+		tmp_dump = true;
+		dump_buf(skb->data,skb->len);
+	}
+#ifdef NOT_YET
+	hostap_update_rx_stats(local->ap, hdr, rx_stats);
+#endif
+
+	if (ieee->host_decrypt) {
+		int idx = 0;
+		if (skb->len >= hdrlen + 3)
+			idx = skb->data[hdrlen + 3] >> 6;
+		crypt = ieee->crypt[idx];
+#ifdef NOT_YET
+		sta = NULL;
+
+		/* Use station specific key to override default keys if the
+		 * receiver address is a unicast address ("individual RA"). If
+		 * bcrx_sta_key parameter is set, station specific key is used
+		 * even with broad/multicast targets (this is against IEEE
+		 * 802.11, but makes it easier to use different keys with
+		 * stations that do not support WEP key mapping). */
+
+		if (!(hdr->addr1[0] & 0x01) || local->bcrx_sta_key)
+			(void) hostap_handle_sta_crypto(local, hdr, &crypt,
+							&sta);
+#endif
+
+		/* allow NULL decrypt to indicate an station specific override
+		 * for default encryption */
+		if (crypt && (crypt->ops == NULL ||
+			      crypt->ops->decrypt_mpdu == NULL))
+			crypt = NULL;
+
+		if (!crypt && (fc & RTLLIB_FCTL_WEP)) {
+			/* This seems to be triggered by some (multicast?)
+			 * frames from other than current BSS, so just drop the
+			 * frames silently instead of filling system log with
+			 * these reports. */
+			RTLLIB_DEBUG_DROP("Decryption failed (not set)"
+					     " (SA=" MAC_FMT ")\n",
+					     MAC_ARG(hdr->addr2));
+			ieee->ieee_stats.rx_discards_undecryptable++;
+			goto rx_dropped;
+		}
+	}
+
+	if (skb->len < RTLLIB_DATA_HDR3_LEN)
+		goto rx_dropped;
+
+	if ( (ieee->pHTInfo->bCurRxReorderEnable == false) ||
+		!ieee->current_network.qos_data.active ||
+		!IsDataFrame(skb->data) ||
+		IsLegacyDataFrame(skb->data)) {
+		if (!((type == RTLLIB_FTYPE_MGMT) && (stype == RTLLIB_STYPE_BEACON))){
+			if (is_duplicate_packet(ieee, hdr)){
+				goto rx_dropped;
+			}
+		}
+	} else {
+		PRX_TS_RECORD pRxTS = NULL;
+		if (GetTs(ieee, (PTS_COMMON_INFO*) &pRxTS, hdr->addr2,
+			(u8)Frame_QoSTID((u8*)(skb->data)), RX_DIR, true)) {
+			if ((fc & (1<<11)) && (frag == pRxTS->RxLastFragNum) &&
+			    (WLAN_GET_SEQ_SEQ(sc) == pRxTS->RxLastSeqNum)) {
+				goto rx_dropped;
+			} else {
+				pRxTS->RxLastFragNum = frag;
+				pRxTS->RxLastSeqNum = WLAN_GET_SEQ_SEQ(sc);
+			}
+		} else {
+			RTLLIB_DEBUG(RTLLIB_DL_ERR, "ERR!!%s(): No TS!! Skip the check!!\n",__func__);
+			goto rx_dropped;
+		}
+	}
+	if (type == RTLLIB_FTYPE_MGMT) {
+		if (bToOtherSTA)
+			goto rx_dropped;
+		if (rtllib_rx_frame_mgmt(ieee, skb, rx_stats, type, stype))
+			goto rx_dropped;
+		else
+			goto rx_exit;
+	}
+	if (type == RTLLIB_FTYPE_CTL) {
+		goto rx_dropped;
+	}
+	/* Data frame - extract src/dst addresses */
+	switch (fc & (RTLLIB_FCTL_FROMDS | RTLLIB_FCTL_TODS)) {
+	case RTLLIB_FCTL_FROMDS:
+		memcpy(dst, hdr->addr1, ETH_ALEN);
+		memcpy(src, hdr->addr3, ETH_ALEN);
+		memcpy(bssid, hdr->addr2, ETH_ALEN);
+		break;
+	case RTLLIB_FCTL_TODS:
+		memcpy(dst, hdr->addr3, ETH_ALEN);
+		memcpy(src, hdr->addr2, ETH_ALEN);
+		memcpy(bssid, hdr->addr1, ETH_ALEN);
+		break;
+	case RTLLIB_FCTL_FROMDS | RTLLIB_FCTL_TODS:
+		if (skb->len < RTLLIB_DATA_HDR4_LEN)
+			goto rx_dropped;
+		memcpy(dst, hdr->addr3, ETH_ALEN);
+		memcpy(src, hdr->addr4, ETH_ALEN);
+		memcpy(bssid, ieee->current_network.bssid, ETH_ALEN);
+		break;
+	case 0:
+		memcpy(dst, hdr->addr1, ETH_ALEN);
+		memcpy(src, hdr->addr2, ETH_ALEN);
+		memcpy(bssid, hdr->addr3, ETH_ALEN);
+		break;
+	}
+
+	/* Filter frames from different BSS */
+	if ((type != RTLLIB_FTYPE_CTL) && ((fc & RTLLIB_FCTL_DSTODS) != RTLLIB_FCTL_DSTODS)
+                && (compare_ether_addr(ieee->current_network.bssid, bssid) != 0) && memcmp(ieee->current_network.bssid, zero_addr, ETH_ALEN)) {
+		goto rx_dropped;
+	}
+
+	/* Filter packets sent by an STA that will be forwarded by AP */
+	if ( ieee->IntelPromiscuousModeInfo.bPromiscuousOn  &&
+                ieee->IntelPromiscuousModeInfo.bFilterSourceStationFrame ) {
+		if ((fc & RTLLIB_FCTL_TODS) && !(fc & RTLLIB_FCTL_FROMDS) &&
+			(compare_ether_addr(dst, ieee->current_network.bssid) != 0) &&
+			(compare_ether_addr(bssid, ieee->current_network.bssid) == 0)) {
+			goto rx_dropped;
+		}
+	}
+
+#ifdef NOT_YET
+	if (hostap_rx_frame_wds(ieee, hdr, fc, &wds))
+		goto rx_dropped;
+	if (wds) {
+		skb->dev = dev = wds;
+		stats = hostap_get_stats(dev);
+	}
+
+	if (ieee->iw_mode == IW_MODE_MASTER && !wds &&
+	    (fc & (RTLLIB_FCTL_TODS | RTLLIB_FCTL_FROMDS)) == RTLLIB_FCTL_FROMDS &&
+	    ieee->stadev &&
+	    memcmp(hdr->addr2, ieee->assoc_ap_addr, ETH_ALEN) == 0) {
+		/* Frame from BSSID of the AP for which we are a client */
+		skb->dev = dev = ieee->stadev;
+		stats = hostap_get_stats(dev);
+		from_assoc_ap = 1;
+	}
+#endif
+
+	dev->last_rx = jiffies;
+
+#ifdef NOT_YET
+	if ((ieee->iw_mode == IW_MODE_MASTER ||
+	     ieee->iw_mode == IW_MODE_REPEAT) &&
+	    !from_assoc_ap) {
+		switch (hostap_handle_sta_rx(ieee, dev, skb, rx_stats,
+					     wds != NULL)) {
+		case AP_RX_CONTINUE_NOT_AUTHORIZED:
+			frame_authorized = 0;
+			break;
+		case AP_RX_CONTINUE:
+			frame_authorized = 1;
+			break;
+		case AP_RX_DROP:
+			goto rx_dropped;
+		case AP_RX_EXIT:
+			goto rx_exit;
+		}
+	}
+#endif
+	/* Nullfunc frames may have PS-bit set, so they must be passed to
+	 * hostap_handle_sta_rx() before being dropped here. */
+	if (stype != RTLLIB_STYPE_DATA &&
+	    stype != RTLLIB_STYPE_DATA_CFACK &&
+	    stype != RTLLIB_STYPE_DATA_CFPOLL &&
+	    stype != RTLLIB_STYPE_DATA_CFACKPOLL&&
+	    stype != RTLLIB_STYPE_QOS_DATA
+	    ) {
+		if (stype != RTLLIB_STYPE_NULLFUNC)
+			RTLLIB_DEBUG_DROP(
+				"RX: dropped data frame "
+				"with no data (type=0x%02x, "
+				"subtype=0x%02x, len=%d)\n",
+				type, stype, skb->len);
+		goto rx_dropped;
+	}
+
+	if (skb->len == hdrlen){
+		goto rx_dropped;
+	}
+
+	{
+		/* network filter more precisely */
+		switch (ieee->iw_mode) {
+		case IW_MODE_ADHOC:
+			/* packets from our adapter are dropped (echo) */
+			if (!memcmp(hdr->addr2, dev->dev_addr, ETH_ALEN))
+				goto rx_dropped;
+
+			/* {broad,multi}cast packets to our BSSID go through */
+			if (is_multicast_ether_addr(hdr->addr1)) {
+				if (!memcmp(hdr->addr3, ieee->current_network.bssid, ETH_ALEN))
+					break;
+				else
+					goto rx_dropped;
+			}
+
+			/* packets not to our adapter, just discard it */
+			if (memcmp(hdr->addr1, dev->dev_addr, ETH_ALEN)) {
+				if (bToOtherSTA)
+					break;
+				else
+					goto rx_dropped;
+			}
+
+			break;
+
+		case IW_MODE_INFRA:
+			/* packets from our adapter are dropped (echo) */
+			if (!memcmp(hdr->addr3, dev->dev_addr, ETH_ALEN))
+				goto rx_dropped;
+
+			/* {broad,multi}cast packets to our BSS go through */
+			if (is_multicast_ether_addr(hdr->addr1)) {
+				if (!memcmp(hdr->addr2, ieee->current_network.bssid, ETH_ALEN))
+					break;
+				else
+					goto rx_dropped;
+			}
+
+			/* packets to our adapter go through */
+			if (memcmp(hdr->addr1, dev->dev_addr, ETH_ALEN)) {
+				if (bToOtherSTA)
+					break;
+				else
+					goto rx_dropped;
+			}
+
+			break;
+		}
+
+
+	}
+
+	if ((ieee->iw_mode == IW_MODE_INFRA)  && (ieee->sta_sleep == LPS_IS_SLEEP)
+		&& (ieee->polling)) {
+		if (WLAN_FC_MORE_DATA(fc)) {
+			/* more data bit is set, let's request a new frame from the AP */
+			rtllib_sta_ps_send_pspoll_frame(ieee);
+		} else {
+			ieee->polling =  false;
+		}
+	}
+
+#if defined(RTL8192U) || defined(RTL8192SU) || defined(RTL8192SE)
+	if (ieee->iw_mode == IW_MODE_ADHOC){
+		psta = GetStaInfo(ieee, src);
+		if (NULL != psta)
+			psta->LastActiveTime = jiffies;
+	}
+#endif
+	/* skb: hdr + (possibly fragmented, possibly encrypted) payload */
+	if ((!rx_stats->Decrypted)){
+		ieee->need_sw_enc = 1;
+	}
+
+	if (ieee->host_decrypt && (fc & RTLLIB_FCTL_WEP) &&
+	    ((keyidx = rtllib_rx_frame_decrypt(ieee, skb, crypt)) < 0)) {
+		printk("decrypt frame error\n");
+		goto rx_dropped;
+	}
+	if (tmp_dump) {
+		printk("************after decrypt\n");
+		dump_buf(skb->data,skb->len);
+	}
+	hdr = (struct rtllib_hdr_4addr *) skb->data;
+
+	/* skb: hdr + (possibly fragmented) plaintext payload */
+	if ((frag != 0 || (fc & RTLLIB_FCTL_MOREFRAGS))) {
+		int flen;
+		struct sk_buff *frag_skb = rtllib_frag_cache_get(ieee, hdr);
+		RTLLIB_DEBUG_FRAG("Rx Fragment received (%u)\n", frag);
+
+		if (!frag_skb) {
+			RTLLIB_DEBUG(RTLLIB_DL_RX | RTLLIB_DL_FRAG,
+					"Rx cannot get skb from fragment "
+					"cache (morefrag=%d seq=%u frag=%u)\n",
+					(fc & RTLLIB_FCTL_MOREFRAGS) != 0,
+					WLAN_GET_SEQ_SEQ(sc), frag);
+			goto rx_dropped;
+		}
+		flen = skb->len;
+		if (frag != 0)
+			flen -= hdrlen;
+
+		if (frag_skb->tail + flen > frag_skb->end) {
+			printk(KERN_WARNING "%s: host decrypted and "
+			       "reassembled frame did not fit skb\n",
+			       dev->name);
+			rtllib_frag_cache_invalidate(ieee, hdr);
+			goto rx_dropped;
+		}
+
+		if (frag == 0) {
+			/* copy first fragment (including full headers) into
+			 * beginning of the fragment cache skb */
+			memcpy(skb_put(frag_skb, flen), skb->data, flen);
+		} else {
+			/* append frame payload to the end of the fragment
+			 * cache skb */
+			memcpy(skb_put(frag_skb, flen), skb->data + hdrlen,
+			       flen);
+		}
+		dev_kfree_skb_any(skb);
+		skb = NULL;
+
+		if (fc & RTLLIB_FCTL_MOREFRAGS) {
+			/* more fragments expected - leave the skb in fragment
+			 * cache for now; it will be delivered to upper layers
+			 * after all fragments have been received */
+			goto rx_exit;
+		}
+
+		/* this was the last fragment and the frame will be
+		 * delivered, so remove skb from fragment cache */
+		skb = frag_skb;
+		hdr = (struct rtllib_hdr_4addr *) skb->data;
+		rtllib_frag_cache_invalidate(ieee, hdr);
+	}
+
+	/* skb: hdr + (possible reassembled) full MSDU payload; possibly still
+	 * encrypted/authenticated */
+	if (ieee->host_decrypt && (fc & RTLLIB_FCTL_WEP) &&
+	    rtllib_rx_frame_decrypt_msdu(ieee, skb, keyidx, crypt)) {
+		printk("==>decrypt msdu error\n");
+		goto rx_dropped;
+	}
+
+	ieee->LinkDetectInfo.NumRecvDataInPeriod++;
+	ieee->LinkDetectInfo.NumRxOkInPeriod++;
+
+	hdr = (struct rtllib_hdr_4addr *) skb->data;
+	if ((!is_multicast_ether_addr(hdr->addr1)) && (!is_broadcast_ether_addr(hdr->addr1)))
+		unicast_packet = true;
+	if (crypt && !(fc & RTLLIB_FCTL_WEP) && !ieee->open_wep) {
+		if (/*ieee->ieee802_1x &&*/
+		    rtllib_is_eapol_frame(ieee, skb, hdrlen)) {
+
+#ifdef CONFIG_RTLLIB_DEBUG
+			/* pass unencrypted EAPOL frames even if encryption is
+			 * configured */
+			struct eapol *eap = (struct eapol *)(skb->data +
+				24);
+			RTLLIB_DEBUG_EAP("RX: IEEE 802.1X EAPOL frame: %s\n",
+						eap_get_type(eap->type));
+#endif
+		} else {
+			RTLLIB_DEBUG_DROP(
+				"encryption configured, but RX "
+				"frame not encrypted (SA=" MAC_FMT ")\n",
+				MAC_ARG(hdr->addr2));
+			goto rx_dropped;
+		}
+	}
+
+#ifdef CONFIG_RTLLIB_DEBUG
+	if (crypt && !(fc & RTLLIB_FCTL_WEP) &&
+	    rtllib_is_eapol_frame(ieee, skb, hdrlen)) {
+			struct eapol *eap = (struct eapol *)(skb->data +
+				24);
+			RTLLIB_DEBUG_EAP("RX: IEEE 802.1X EAPOL frame: %s\n",
+						eap_get_type(eap->type));
+	}
+#endif
+
+	if (crypt && !(fc & RTLLIB_FCTL_WEP) && !ieee->open_wep &&
+	    !rtllib_is_eapol_frame(ieee, skb, hdrlen)) {
+		RTLLIB_DEBUG_DROP(
+			"dropped unencrypted RX data "
+			"frame from " MAC_FMT
+			" (drop_unencrypted=1)\n",
+			MAC_ARG(hdr->addr2));
+		goto rx_dropped;
+	}
+	if (ieee->current_network.qos_data.active && IsQoSDataFrame(skb->data)
+	    && !is_multicast_ether_addr(hdr->addr1) && !is_broadcast_ether_addr(hdr->addr1)) {
+		TID = Frame_QoSTID(skb->data);
+		SeqNum = WLAN_GET_SEQ_SEQ(sc);
+		GetTs(ieee,(PTS_COMMON_INFO*) &pTS,hdr->addr2,TID,RX_DIR,true);
+		if (TID !=0 && TID !=3)
+			ieee->bis_any_nonbepkts = true;
+	}
+	/* skb: hdr + (possible reassembled) full plaintext payload */
+	payload = skb->data + hdrlen;
+	rxb = (struct rtllib_rxb*)kmalloc(sizeof(struct rtllib_rxb),GFP_ATOMIC);
+	if (rxb == NULL) {
+		RTLLIB_DEBUG(RTLLIB_DL_ERR,"%s(): kmalloc rxb error\n",__func__);
+		goto rx_dropped;
+	}
+	/* to parse amsdu packets */
+	/* qos data packets & reserved bit is 1 */
+	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]);
+		}
+		kfree(rxb);
+		rxb = NULL;
+		goto rx_dropped;
+	}
+#if !defined(RTL8192SU) && !defined(RTL8192U)
+		if (unicast_packet) {
+			if (type == RTLLIB_FTYPE_DATA) {
+				if (ieee->bIsAggregateFrame)
+					ieee->LinkDetectInfo.NumRxUnicastOkInPeriod+=rxb->nr_subframes;
+				else
+					ieee->LinkDetectInfo.NumRxUnicastOkInPeriod++;
+
+				if ((ieee->state == RTLLIB_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;
+		if (ieee->pHTInfo->bCurRxReorderEnable == false ||pTS == NULL || bToOtherSTA ){
+			for (i = 0; i<rxb->nr_subframes; i++) {
+				struct sk_buff *sub_skb = rxb->subframes[i];
+
+				if (sub_skb) {
+					/* convert hdr + possible LLC headers into Ethernet header */
+					ethertype = (sub_skb->data[6] << 8) | sub_skb->data[7];
+					if (sub_skb->len >= 8 &&
+							((memcmp(sub_skb->data, rfc1042_header, SNAP_SIZE) == 0 &&
+							  ethertype != ETH_P_AARP && ethertype != ETH_P_IPX) ||
+							 memcmp(sub_skb->data, bridge_tunnel_header, SNAP_SIZE) == 0)) {
+						/* remove RFC1042 or Bridge-Tunnel encapsulation and
+						 * replace EtherType */
+						skb_pull(sub_skb, SNAP_SIZE);
+						memcpy(skb_push(sub_skb, ETH_ALEN), src, ETH_ALEN);
+						memcpy(skb_push(sub_skb, ETH_ALEN), dst, ETH_ALEN);
+					} else {
+						u16 len;
+						/* Leave Ethernet header part of hdr and full payload */
+						len = htons(sub_skb->len);
+						memcpy(skb_push(sub_skb, 2), &len, 2);
+						memcpy(skb_push(sub_skb, ETH_ALEN), src, ETH_ALEN);
+						memcpy(skb_push(sub_skb, ETH_ALEN), dst, ETH_ALEN);
+					}
+
+					stats->rx_packets++;
+					stats->rx_bytes += sub_skb->len;
+
+					if (is_multicast_ether_addr(dst)) {
+						stats->multicast++;
+					}
+
+					/* Indicat the packets to upper layer */
+					memset(sub_skb->cb, 0, sizeof(sub_skb->cb));
+					sub_skb->protocol = eth_type_trans(sub_skb, dev);
+					sub_skb->dev = dev;
+					sub_skb->dev->stats.rx_packets++;
+					sub_skb->dev->stats.rx_bytes += sub_skb->len;
+#ifdef TCP_CSUM_OFFLOAD_RX
+					if ( rx_stats->tcp_csum_valid)
+						sub_skb->ip_summed = CHECKSUM_UNNECESSARY;
+					else
+						sub_skb->ip_summed = CHECKSUM_NONE;
+#else
+					sub_skb->ip_summed = CHECKSUM_NONE; /* 802.11 crc not sufficient */
+#endif
+
+					netif_rx(sub_skb);
+				}
+			}
+			kfree(rxb);
+			rxb = NULL;
+
+		}
+		else
+		{
+			RTLLIB_DEBUG(RTLLIB_DL_REORDER,"%s(): REORDER ENABLE AND PTS not NULL, and we will enter RxReorderIndicatePacket()\n",__func__);
+#ifdef TCP_CSUM_OFFLOAD_RX
+			rxb->tcp_csum_valid = rx_stats->tcp_csum_valid;
+#endif
+			RxReorderIndicatePacket(ieee, rxb, pTS, SeqNum);
+		}
+#ifndef JOHN_NOCPY
+	dev_kfree_skb(skb);
+#endif
+
+ rx_exit:
+#ifdef NOT_YET
+	if (sta)
+		hostap_handle_sta_release(sta);
+#endif
+	return 1;
+
+ rx_dropped:
+	if (rxb != NULL)
+	{
+		kfree(rxb);
+		rxb = NULL;
+	}
+	stats->rx_dropped++;
+
+	/* Returning 0 indicates to caller that we have not handled the SKB--
+	 * so it is still allocated and can be used again by underlying
+	 * hardware as a DMA target */
+	return 0;
+}
+#endif
+
+#define MGMT_FRAME_FIXED_PART_LENGTH            0x24
+
+static u8 qos_oui[QOS_OUI_LEN] = { 0x00, 0x50, 0xF2 };
+
+/*
+* Make ther structure we read from the beacon packet has
+* the right values
+*/
+static int rtllib_verify_qos_info(struct rtllib_qos_information_element
+                                     *info_element, int sub_type)
+{
+
+        if (info_element->qui_subtype != sub_type)
+                return -1;
+        if (memcmp(info_element->qui, qos_oui, QOS_OUI_LEN))
+                return -1;
+        if (info_element->qui_type != QOS_OUI_TYPE)
+                return -1;
+        if (info_element->version != QOS_VERSION_1)
+                return -1;
+
+        return 0;
+}
+
+
+/*
+ * Parse a QoS parameter element
+ */
+static int rtllib_read_qos_param_element(struct rtllib_qos_parameter_info
+                                            *element_param, struct rtllib_info_element
+                                            *info_element)
+{
+        int ret = 0;
+        u16 size = sizeof(struct rtllib_qos_parameter_info) - 2;
+
+        if ((info_element == NULL) || (element_param == NULL))
+                return -1;
+
+        if (info_element->id == QOS_ELEMENT_ID && info_element->len == size) {
+                memcpy(element_param->info_element.qui, info_element->data,
+                       info_element->len);
+                element_param->info_element.elementID = info_element->id;
+                element_param->info_element.length = info_element->len;
+        } else
+                ret = -1;
+        if (ret == 0)
+                ret = rtllib_verify_qos_info(&element_param->info_element,
+                                                QOS_OUI_PARAM_SUB_TYPE);
+        return ret;
+}
+
+/*
+ * Parse a QoS information element
+ */
+static int rtllib_read_qos_info_element(struct
+                                           rtllib_qos_information_element
+                                           *element_info, struct rtllib_info_element
+                                           *info_element)
+{
+        int ret = 0;
+        u16 size = sizeof(struct rtllib_qos_information_element) - 2;
+
+        if (element_info == NULL)
+                return -1;
+        if (info_element == NULL)
+                return -1;
+
+        if ((info_element->id == QOS_ELEMENT_ID) && (info_element->len == size)) {
+                memcpy(element_info->qui, info_element->data,
+                       info_element->len);
+                element_info->elementID = info_element->id;
+                element_info->length = info_element->len;
+        } else
+                ret = -1;
+
+        if (ret == 0)
+                ret = rtllib_verify_qos_info(element_info,
+                                                QOS_OUI_INFO_SUB_TYPE);
+        return ret;
+}
+
+
+/*
+ * Write QoS parameters from the ac parameters.
+ */
+static int rtllib_qos_convert_ac_to_parameters(struct rtllib_qos_parameter_info *param_elm,
+		struct rtllib_qos_data *qos_data)
+{
+        struct rtllib_qos_ac_parameter *ac_params;
+	struct rtllib_qos_parameters *qos_param = &(qos_data->parameters);
+        int rc = 0;
+        int i;
+	u8 aci;
+	u8 acm;
+
+	qos_data->wmm_acm = 0;
+        for (i = 0; i < QOS_QUEUE_NUM; i++) {
+                ac_params = &(param_elm->ac_params_record[i]);
+
+		aci = (ac_params->aci_aifsn & 0x60) >> 5;
+		acm = (ac_params->aci_aifsn & 0x10) >> 4;
+
+		if (aci >= QOS_QUEUE_NUM)
+			continue;
+		switch (aci) {
+			case 1:
+				/* BIT(0) | BIT(3) */
+				if (acm)
+					qos_data->wmm_acm |= (0x01<<0)|(0x01<<3);
+				break;
+			case 2:
+				/* BIT(4) | BIT(5) */
+				if (acm)
+					qos_data->wmm_acm |= (0x01<<4)|(0x01<<5);
+				break;
+			case 3:
+				/* BIT(6) | BIT(7) */
+				if (acm)
+					qos_data->wmm_acm |= (0x01<<6)|(0x01<<7);
+				break;
+			case 0:
+			default:
+				/* BIT(1) | BIT(2) */
+				if (acm)
+					qos_data->wmm_acm |= (0x01<<1)|(0x01<<2);
+				break;
+		}
+
+                qos_param->aifs[aci] = (ac_params->aci_aifsn) & 0x0f;
+
+		/* WMM spec P.11: The minimum value for AIFSN shall be 2 */
+                qos_param->aifs[aci] = (qos_param->aifs[aci] < 2) ? 2:qos_param->aifs[aci];
+
+                qos_param->cw_min[aci] = ac_params->ecw_min_max & 0x0F;
+
+                qos_param->cw_max[aci] = (ac_params->ecw_min_max & 0xF0) >> 4;
+
+                qos_param->flag[aci] =
+                    (ac_params->aci_aifsn & 0x10) ? 0x01 : 0x00;
+                qos_param->tx_op_limit[aci] = le16_to_cpu(ac_params->tx_op_limit);
+        }
+        return rc;
+}
+
+/*
+ * we have a generic data element which it may contain QoS information or
+ * parameters element. check the information element length to decide
+ * which type to read
+ */
+static int rtllib_parse_qos_info_param_IE(struct rtllib_info_element
+                                             *info_element,
+                                             struct rtllib_network *network)
+{
+        int rc = 0;
+        struct rtllib_qos_information_element qos_info_element;
+
+        rc = rtllib_read_qos_info_element(&qos_info_element, info_element);
+
+        if (rc == 0) {
+                network->qos_data.param_count = qos_info_element.ac_info & 0x0F;
+                network->flags |= NETWORK_HAS_QOS_INFORMATION;
+        } else {
+                struct rtllib_qos_parameter_info param_element;
+
+                rc = rtllib_read_qos_param_element(&param_element,
+                                                      info_element);
+                if (rc == 0) {
+                        rtllib_qos_convert_ac_to_parameters(&param_element,
+                                                               &(network->qos_data));
+                        network->flags |= NETWORK_HAS_QOS_PARAMETERS;
+                        network->qos_data.param_count =
+                            param_element.info_element.ac_info & 0x0F;
+                }
+        }
+
+        if (rc == 0) {
+                RTLLIB_DEBUG_QOS("QoS is supported\n");
+                network->qos_data.supported = 1;
+        }
+        return rc;
+}
+
+#ifdef CONFIG_RTLLIB_DEBUG
+#define MFIE_STRING(x) case MFIE_TYPE_ ##x: return #x
+
+static const char *get_info_element_string(u16 id)
+{
+        switch (id) {
+                MFIE_STRING(SSID);
+                MFIE_STRING(RATES);
+                MFIE_STRING(FH_SET);
+                MFIE_STRING(DS_SET);
+                MFIE_STRING(CF_SET);
+                MFIE_STRING(TIM);
+                MFIE_STRING(IBSS_SET);
+                MFIE_STRING(COUNTRY);
+                MFIE_STRING(HOP_PARAMS);
+                MFIE_STRING(HOP_TABLE);
+                MFIE_STRING(REQUEST);
+                MFIE_STRING(CHALLENGE);
+                MFIE_STRING(POWER_CONSTRAINT);
+                MFIE_STRING(POWER_CAPABILITY);
+                MFIE_STRING(TPC_REQUEST);
+                MFIE_STRING(TPC_REPORT);
+                MFIE_STRING(SUPP_CHANNELS);
+                MFIE_STRING(CSA);
+                MFIE_STRING(MEASURE_REQUEST);
+                MFIE_STRING(MEASURE_REPORT);
+                MFIE_STRING(QUIET);
+                MFIE_STRING(IBSS_DFS);
+                MFIE_STRING(RSN);
+                MFIE_STRING(RATES_EX);
+                MFIE_STRING(GENERIC);
+                MFIE_STRING(QOS_PARAMETER);
+        default:
+                return "UNKNOWN";
+        }
+}
+#endif
+
+#ifdef ENABLE_DOT11D
+static inline void rtllib_extract_country_ie(
+	struct rtllib_device *ieee,
+	struct rtllib_info_element *info_element,
+	struct rtllib_network *network,
+	u8 * addr2)
+{
+	if (IS_DOT11D_ENABLE(ieee)) {
+		if (info_element->len!= 0) {
+			memcpy(network->CountryIeBuf, info_element->data, info_element->len);
+			network->CountryIeLen = info_element->len;
+
+			if (!IS_COUNTRY_IE_VALID(ieee))
+			{
+				if ((rtllib_act_scanning(ieee,false) == true) && (ieee->FirstIe_InScan == 1))
+					printk("Received beacon ContryIE, SSID: <%s>\n",network->ssid);
+				Dot11d_UpdateCountryIe(ieee, addr2, info_element->len, info_element->data);
+			}
+		}
+
+		if (IS_EQUAL_CIE_SRC(ieee, addr2)) {
+			UPDATE_CIE_WATCHDOG(ieee);
+		}
+	}
+
+}
+#endif
+
+int rtllib_parse_info_param(struct rtllib_device *ieee,
+		struct rtllib_info_element *info_element,
+		u16 length,
+		struct rtllib_network *network,
+		struct rtllib_rx_stats *stats)
+{
+	u8 i;
+	short offset;
+        u16	tmp_htcap_len=0;
+	u16	tmp_htinfo_len=0;
+	u16 ht_realtek_agg_len=0;
+	u8  ht_realtek_agg_buf[MAX_IE_LEN];
+#ifdef CONFIG_RTLLIB_DEBUG
+	char rates_str[64];
+	char *p;
+#endif
+	while (length >= sizeof(*info_element)) {
+		if (sizeof(*info_element) + info_element->len > length) {
+			RTLLIB_DEBUG_MGMT("Info elem: parse failed: "
+					     "info_element->len + 2 > left : "
+					     "info_element->len+2=%zd left=%d, id=%d.\n",
+					     info_element->len +
+					     sizeof(*info_element),
+					     length, info_element->id);
+			/* We stop processing but don't return an error here
+			 * because some misbehaviour APs break this rule. ie.
+			 * Orinoco AP1000. */
+			break;
+		}
+
+		switch (info_element->id) {
+		case MFIE_TYPE_SSID:
+			if (rtllib_is_empty_essid(info_element->data,
+						     info_element->len)) {
+				network->flags |= NETWORK_EMPTY_ESSID;
+				break;
+			}
+
+			network->ssid_len = min(info_element->len,
+						(u8) IW_ESSID_MAX_SIZE);
+			memcpy(network->ssid, info_element->data, network->ssid_len);
+			if (network->ssid_len < IW_ESSID_MAX_SIZE)
+				memset(network->ssid + network->ssid_len, 0,
+				       IW_ESSID_MAX_SIZE - network->ssid_len);
+
+			RTLLIB_DEBUG_MGMT("MFIE_TYPE_SSID: '%s' len=%d.\n",
+					     network->ssid, network->ssid_len);
+			break;
+
+		case MFIE_TYPE_RATES:
+#ifdef CONFIG_RTLLIB_DEBUG
+			p = rates_str;
+#endif
+			network->rates_len = min(info_element->len,
+						 MAX_RATES_LENGTH);
+			for (i = 0; i < network->rates_len; i++) {
+				network->rates[i] = info_element->data[i];
+#ifdef CONFIG_RTLLIB_DEBUG
+				p += snprintf(p, sizeof(rates_str) -
+					      (p - rates_str), "%02X ",
+					      network->rates[i]);
+#endif
+				if (rtllib_is_ofdm_rate
+				    (info_element->data[i])) {
+					network->flags |= NETWORK_HAS_OFDM;
+					if (info_element->data[i] &
+					    RTLLIB_BASIC_RATE_MASK)
+						network->flags &=
+						    ~NETWORK_HAS_CCK;
+				}
+
+				if (rtllib_is_cck_rate
+				    (info_element->data[i])) {
+					network->flags |= NETWORK_HAS_CCK;
+				}
+			}
+
+			RTLLIB_DEBUG_MGMT("MFIE_TYPE_RATES: '%s' (%d)\n",
+					     rates_str, network->rates_len);
+			break;
+
+		case MFIE_TYPE_RATES_EX:
+#ifdef CONFIG_RTLLIB_DEBUG
+			p = rates_str;
+#endif
+			network->rates_ex_len = min(info_element->len,
+						    MAX_RATES_EX_LENGTH);
+			for (i = 0; i < network->rates_ex_len; i++) {
+				network->rates_ex[i] = info_element->data[i];
+#ifdef CONFIG_RTLLIB_DEBUG
+				p += snprintf(p, sizeof(rates_str) -
+					      (p - rates_str), "%02X ",
+					      network->rates[i]);
+#endif
+				if (rtllib_is_ofdm_rate
+				    (info_element->data[i])) {
+					network->flags |= NETWORK_HAS_OFDM;
+					if (info_element->data[i] &
+					    RTLLIB_BASIC_RATE_MASK)
+						network->flags &=
+						    ~NETWORK_HAS_CCK;
+				}
+			}
+
+			RTLLIB_DEBUG_MGMT("MFIE_TYPE_RATES_EX: '%s' (%d)\n",
+					     rates_str, network->rates_ex_len);
+			break;
+
+		case MFIE_TYPE_DS_SET:
+			RTLLIB_DEBUG_MGMT("MFIE_TYPE_DS_SET: %d\n",
+					     info_element->data[0]);
+			network->channel = info_element->data[0];
+			break;
+
+		case MFIE_TYPE_FH_SET:
+			RTLLIB_DEBUG_MGMT("MFIE_TYPE_FH_SET: ignored\n");
+			break;
+
+		case MFIE_TYPE_CF_SET:
+			RTLLIB_DEBUG_MGMT("MFIE_TYPE_CF_SET: ignored\n");
+			break;
+
+		case MFIE_TYPE_TIM:
+			if (info_element->len < 4)
+				break;
+
+			network->tim.tim_count = info_element->data[0];
+			network->tim.tim_period = info_element->data[1];
+
+                        network->dtim_period = info_element->data[1];
+                        if (ieee->state != RTLLIB_LINKED)
+                                break;
+			network->last_dtim_sta_time[0] = jiffies;
+                        network->last_dtim_sta_time[1] = stats->mac_time[1];
+
+                        network->dtim_data = RTLLIB_DTIM_VALID;
+
+
+                        if (info_element->data[2] & 1)
+                                network->dtim_data |= RTLLIB_DTIM_MBCAST;
+
+#if 1
+                        offset = (info_element->data[2] >> 1)*2;
+
+
+                        if (ieee->assoc_id < 8*offset ||
+                                ieee->assoc_id > 8*(offset + info_element->len -3))
+
+                                break;
+
+                        offset = (ieee->assoc_id / 8) - offset;
+                        if (info_element->data[3+offset] & (1<<(ieee->assoc_id%8)))
+                                network->dtim_data |= RTLLIB_DTIM_UCAST;
+#else
+			{
+				u16 numSta = 0;
+				u16 offset_byte = 0;
+				u16 offset_bit = 0;
+
+				numSta = (info_element->data[2] &0xFE)*8;
+
+				if (ieee->assoc_id < numSta ||
+						ieee->assoc_id > (numSta + (info_element->len -3)*8))
+					break;
+
+				offset = ieee->assoc_id - numSta;
+				offset_byte = offset / 8;
+				offset_bit = offset % 8;
+				if (info_element->data[3+offset_byte] & (0x01<<offset_bit))
+					network->dtim_data |= RTLLIB_DTIM_UCAST;
+			}
+#endif
+
+			network->listen_interval = network->dtim_period;
+			break;
+
+		case MFIE_TYPE_ERP:
+			network->erp_value = info_element->data[0];
+			network->flags |= NETWORK_HAS_ERP_VALUE;
+			RTLLIB_DEBUG_MGMT("MFIE_TYPE_ERP_SET: %d\n",
+					     network->erp_value);
+			break;
+		case MFIE_TYPE_IBSS_SET:
+			network->atim_window = info_element->data[0];
+			RTLLIB_DEBUG_MGMT("MFIE_TYPE_IBSS_SET: %d\n",
+					     network->atim_window);
+			break;
+
+		case MFIE_TYPE_CHALLENGE:
+			RTLLIB_DEBUG_MGMT("MFIE_TYPE_CHALLENGE: ignored\n");
+			break;
+
+		case MFIE_TYPE_GENERIC:
+			RTLLIB_DEBUG_MGMT("MFIE_TYPE_GENERIC: %d bytes\n",
+					     info_element->len);
+			if (!rtllib_parse_qos_info_param_IE(info_element,
+							       network))
+				break;
+			if (info_element->len >= 4 &&
+			    info_element->data[0] == 0x00 &&
+			    info_element->data[1] == 0x50 &&
+			    info_element->data[2] == 0xf2 &&
+			    info_element->data[3] == 0x01) {
+				network->wpa_ie_len = min(info_element->len + 2,
+							  MAX_WPA_IE_LEN);
+				memcpy(network->wpa_ie, info_element,
+				       network->wpa_ie_len);
+				break;
+			}
+                        if (info_element->len == 7 &&
+                            info_element->data[0] == 0x00 &&
+                            info_element->data[1] == 0xe0 &&
+                            info_element->data[2] == 0x4c &&
+                            info_element->data[3] == 0x01 &&
+                            info_element->data[4] == 0x02)
+                                network->Turbo_Enable = 1;
+
+			if (tmp_htcap_len == 0) {
+				if (info_element->len >= 4 &&
+				   info_element->data[0] == 0x00 &&
+				   info_element->data[1] == 0x90 &&
+				   info_element->data[2] == 0x4c &&
+				   info_element->data[3] == 0x033) {
+
+						tmp_htcap_len = min(info_element->len,(u8)MAX_IE_LEN);
+						if (tmp_htcap_len != 0){
+							network->bssht.bdHTSpecVer = HT_SPEC_VER_EWC;
+							network->bssht.bdHTCapLen = tmp_htcap_len > sizeof(network->bssht.bdHTCapBuf)?\
+								sizeof(network->bssht.bdHTCapBuf):tmp_htcap_len;
+							memcpy(network->bssht.bdHTCapBuf,info_element->data,network->bssht.bdHTCapLen);
+						}
+				}
+				if (tmp_htcap_len != 0){
+					network->bssht.bdSupportHT = true;
+					network->bssht.bdHT1R = ((((PHT_CAPABILITY_ELE)(network->bssht.bdHTCapBuf))->MCS[1]) == 0);
+				}else{
+					network->bssht.bdSupportHT = false;
+					network->bssht.bdHT1R = false;
+				}
+			}
+
+
+			if (tmp_htinfo_len == 0){
+				if (info_element->len >= 4 &&
+					info_element->data[0] == 0x00 &&
+					info_element->data[1] == 0x90 &&
+					info_element->data[2] == 0x4c &&
+					info_element->data[3] == 0x034){
+
+						tmp_htinfo_len = min(info_element->len,(u8)MAX_IE_LEN);
+						if (tmp_htinfo_len != 0){
+							network->bssht.bdHTSpecVer = HT_SPEC_VER_EWC;
+							if (tmp_htinfo_len){
+								network->bssht.bdHTInfoLen = tmp_htinfo_len > sizeof(network->bssht.bdHTInfoBuf)?\
+									sizeof(network->bssht.bdHTInfoBuf):tmp_htinfo_len;
+								memcpy(network->bssht.bdHTInfoBuf,info_element->data,network->bssht.bdHTInfoLen);
+							}
+
+						}
+
+				}
+			}
+
+			if (ieee->aggregation){
+				if (network->bssht.bdSupportHT){
+					if (info_element->len >= 4 &&
+						info_element->data[0] == 0x00 &&
+						info_element->data[1] == 0xe0 &&
+						info_element->data[2] == 0x4c &&
+						info_element->data[3] == 0x02){
+
+						ht_realtek_agg_len = min(info_element->len,(u8)MAX_IE_LEN);
+						memcpy(ht_realtek_agg_buf,info_element->data,info_element->len);
+
+					}
+					if (ht_realtek_agg_len >= 5){
+						network->realtek_cap_exit = true;
+						network->bssht.bdRT2RTAggregation = true;
+
+						if ((ht_realtek_agg_buf[4] == 1) && (ht_realtek_agg_buf[5] & 0x02))
+						network->bssht.bdRT2RTLongSlotTime = true;
+
+						if ((ht_realtek_agg_buf[4]==1) && (ht_realtek_agg_buf[5] & RT_HT_CAP_USE_92SE))
+						{
+							network->bssht.RT2RT_HT_Mode |= RT_HT_CAP_USE_92SE;
+						}
+					}
+				}
+				if (ht_realtek_agg_len >= 5){
+					if ((ht_realtek_agg_buf[5] & RT_HT_CAP_USE_SOFTAP))
+						network->bssht.RT2RT_HT_Mode |= RT_HT_CAP_USE_SOFTAP;
+				}
+			}
+
+			{
+				if ((info_element->len >= 3 &&
+					 info_element->data[0] == 0x00 &&
+					 info_element->data[1] == 0x05 &&
+					 info_element->data[2] == 0xb5) ||
+					 (info_element->len >= 3 &&
+					 info_element->data[0] == 0x00 &&
+					 info_element->data[1] == 0x0a &&
+					 info_element->data[2] == 0xf7) ||
+					 (info_element->len >= 3 &&
+					 info_element->data[0] == 0x00 &&
+					 info_element->data[1] == 0x10 &&
+					 info_element->data[2] == 0x18)){
+
+						network->broadcom_cap_exist = true;
+
+				}
+			}
+			if (info_element->len >= 3 &&
+				info_element->data[0] == 0x00 &&
+				info_element->data[1] == 0x0c &&
+				info_element->data[2] == 0x43)
+			{
+				network->ralink_cap_exist = true;
+			}
+			if ((info_element->len >= 3 &&
+				info_element->data[0] == 0x00 &&
+				info_element->data[1] == 0x03 &&
+				info_element->data[2] == 0x7f) ||
+				(info_element->len >= 3 &&
+				info_element->data[0] == 0x00 &&
+				info_element->data[1] == 0x13 &&
+				info_element->data[2] == 0x74))
+			{
+				network->atheros_cap_exist = true;
+			}
+
+			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;
+				}
+			if (info_element->len >= 3 &&
+				info_element->data[0] == 0x00 &&
+				info_element->data[1] == 0x40 &&
+				info_element->data[2] == 0x96)
+			{
+				network->cisco_cap_exist = true;
+			}
+
+
+			if (info_element->len >= 3 &&
+				info_element->data[0] == 0x00 &&
+				info_element->data[1] == 0x0a &&
+				info_element->data[2] == 0xf5)
+			{
+				network->airgo_cap_exist = true;
+			}
+
+			if (info_element->len > 4 &&
+				info_element->data[0] == 0x00 &&
+				info_element->data[1] == 0x40 &&
+				info_element->data[2] == 0x96 &&
+				info_element->data[3] == 0x01)
+			{
+				if (info_element->len == 6)
+				{
+					memcpy(network->CcxRmState, &info_element[4], 2);
+					if (network->CcxRmState[0] != 0)
+					{
+						network->bCcxRmEnable = true;
+					}
+					else
+						network->bCcxRmEnable = false;
+					network->MBssidMask = network->CcxRmState[1] & 0x07;
+					if (network->MBssidMask != 0)
+					{
+						network->bMBssidValid = true;
+						network->MBssidMask = 0xff << (network->MBssidMask);
+						memcpy(network->MBssid, network->bssid, ETH_ALEN);
+						network->MBssid[5] &= network->MBssidMask;
+					}
+					else
+					{
+						network->bMBssidValid = false;
+					}
+				}
+				else
+				{
+					network->bCcxRmEnable = false;
+				}
+			}
+			if (info_element->len > 4  &&
+				info_element->data[0] == 0x00 &&
+				info_element->data[1] == 0x40 &&
+				info_element->data[2] == 0x96 &&
+				info_element->data[3] == 0x03)
+			{
+				if (info_element->len == 5)
+				{
+					network->bWithCcxVerNum = true;
+					network->BssCcxVerNumber = info_element->data[4];
+				}
+				else
+				{
+					network->bWithCcxVerNum = false;
+					network->BssCcxVerNumber = 0;
+				}
+			}
+			if (info_element->len > 4  &&
+				info_element->data[0] == 0x00 &&
+				info_element->data[1] == 0x50 &&
+				info_element->data[2] == 0xf2 &&
+				info_element->data[3] == 0x04)
+			{
+				RTLLIB_DEBUG_MGMT("MFIE_TYPE_WZC: %d bytes\n",
+						     info_element->len);
+#if LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0)
+				network->wzc_ie_len = min(info_element->len+2,
+							  MAX_WZC_IE_LEN);
+				memcpy(network->wzc_ie, info_element,
+						network->wzc_ie_len);
+#endif
+			}
+			break;
+
+		case MFIE_TYPE_RSN:
+			RTLLIB_DEBUG_MGMT("MFIE_TYPE_RSN: %d bytes\n",
+					     info_element->len);
+			network->rsn_ie_len = min(info_element->len + 2,
+						  MAX_WPA_IE_LEN);
+			memcpy(network->rsn_ie, info_element,
+			       network->rsn_ie_len);
+			break;
+
+		case MFIE_TYPE_HT_CAP:
+			RTLLIB_DEBUG_SCAN("MFIE_TYPE_HT_CAP: %d bytes\n",
+					     info_element->len);
+			tmp_htcap_len = min(info_element->len,(u8)MAX_IE_LEN);
+			if (tmp_htcap_len != 0){
+				network->bssht.bdHTSpecVer = HT_SPEC_VER_EWC;
+				network->bssht.bdHTCapLen = tmp_htcap_len > sizeof(network->bssht.bdHTCapBuf)?\
+					sizeof(network->bssht.bdHTCapBuf):tmp_htcap_len;
+				memcpy(network->bssht.bdHTCapBuf,info_element->data,network->bssht.bdHTCapLen);
+
+				network->bssht.bdSupportHT = true;
+				network->bssht.bdHT1R = ((((PHT_CAPABILITY_ELE)(network->bssht.bdHTCapBuf))->MCS[1]) == 0);
+
+				network->bssht.bdBandWidth = (HT_CHANNEL_WIDTH)(((PHT_CAPABILITY_ELE)(network->bssht.bdHTCapBuf))->ChlWidth);
+			}
+			else{
+				network->bssht.bdSupportHT = false;
+				network->bssht.bdHT1R = false;
+				network->bssht.bdBandWidth = HT_CHANNEL_WIDTH_20 ;
+			}
+			break;
+
+
+		case MFIE_TYPE_HT_INFO:
+			RTLLIB_DEBUG_SCAN("MFIE_TYPE_HT_INFO: %d bytes\n",
+					     info_element->len);
+			tmp_htinfo_len = min(info_element->len,(u8)MAX_IE_LEN);
+			if (tmp_htinfo_len){
+				network->bssht.bdHTSpecVer = HT_SPEC_VER_IEEE;
+				network->bssht.bdHTInfoLen = tmp_htinfo_len > sizeof(network->bssht.bdHTInfoBuf)?\
+					sizeof(network->bssht.bdHTInfoBuf):tmp_htinfo_len;
+				memcpy(network->bssht.bdHTInfoBuf,info_element->data,network->bssht.bdHTInfoLen);
+			}
+			break;
+
+		case MFIE_TYPE_AIRONET:
+			RTLLIB_DEBUG_SCAN("MFIE_TYPE_AIRONET: %d bytes\n",
+					     info_element->len);
+			if (info_element->len >IE_CISCO_FLAG_POSITION)
+			{
+				network->bWithAironetIE = true;
+
+				if (	(info_element->data[IE_CISCO_FLAG_POSITION]&SUPPORT_CKIP_MIC)	||
+					(info_element->data[IE_CISCO_FLAG_POSITION]&SUPPORT_CKIP_PK)	)
+				{
+					network->bCkipSupported = true;
+				}
+				else
+				{
+					network->bCkipSupported = false;
+				}
+			}
+			else
+			{
+				network->bWithAironetIE = false;
+				network->bCkipSupported = false;
+			}
+			break;
+		case MFIE_TYPE_QOS_PARAMETER:
+			printk(KERN_ERR
+			       "QoS Error need to parse QOS_PARAMETER IE\n");
+			break;
+
+#ifdef ENABLE_DOT11D
+		case MFIE_TYPE_COUNTRY:
+			RTLLIB_DEBUG_SCAN("MFIE_TYPE_COUNTRY: %d bytes\n",
+					     info_element->len);
+			rtllib_extract_country_ie(ieee, info_element, network, network->bssid);
+			break;
+#endif
+/* TODO */
+		default:
+			RTLLIB_DEBUG_MGMT
+			    ("Unsupported info element: %s (%d)\n",
+			     get_info_element_string(info_element->id),
+			     info_element->id);
+			break;
+		}
+
+		length -= sizeof(*info_element) + info_element->len;
+		info_element =
+		    (struct rtllib_info_element *)&info_element->
+		    data[info_element->len];
+	}
+
+	if (!network->atheros_cap_exist && !network->broadcom_cap_exist &&
+		!network->cisco_cap_exist && !network->ralink_cap_exist && !network->bssht.bdRT2RTAggregation)
+	{
+		network->unknown_cap_exist = true;
+	}
+	else
+	{
+		network->unknown_cap_exist = false;
+	}
+	return 0;
+}
+
+static inline u8 rtllib_SignalStrengthTranslate(
+	u8  CurrSS
+	)
+{
+	u8 RetSS;
+
+	if (CurrSS >= 71 && CurrSS <= 100)
+	{
+		RetSS = 90 + ((CurrSS - 70) / 3);
+	}
+	else if (CurrSS >= 41 && CurrSS <= 70)
+	{
+		RetSS = 78 + ((CurrSS - 40) / 3);
+	}
+	else if (CurrSS >= 31 && CurrSS <= 40)
+	{
+		RetSS = 66 + (CurrSS - 30);
+	}
+	else if (CurrSS >= 21 && CurrSS <= 30)
+	{
+		RetSS = 54 + (CurrSS - 20);
+	}
+	else if (CurrSS >= 5 && CurrSS <= 20)
+	{
+		RetSS = 42 + (((CurrSS - 5) * 2) / 3);
+	}
+	else if (CurrSS == 4)
+	{
+		RetSS = 36;
+	}
+	else if (CurrSS == 3)
+	{
+		RetSS = 27;
+	}
+	else if (CurrSS == 2)
+	{
+		RetSS = 18;
+	}
+	else if (CurrSS == 1)
+	{
+		RetSS = 9;
+	}
+	else
+	{
+		RetSS = CurrSS;
+	}
+
+
+
+	return RetSS;
+}
+
+long rtllib_translate_todbm(u8 signal_strength_index	)
+{
+	long	signal_power;
+
+	signal_power = (long)((signal_strength_index + 1) >> 1);
+	signal_power -= 95;
+
+	return signal_power;
+}
+
+static inline int rtllib_network_init(
+	struct rtllib_device *ieee,
+	struct rtllib_probe_response *beacon,
+	struct rtllib_network *network,
+	struct rtllib_rx_stats *stats)
+{
+#ifdef CONFIG_RTLLIB_DEBUG
+#endif
+
+	/*
+        network->qos_data.active = 0;
+        network->qos_data.supported = 0;
+        network->qos_data.param_count = 0;
+        network->qos_data.old_param_count = 0;
+	*/
+	memset(&network->qos_data, 0, sizeof(struct rtllib_qos_data));
+
+	/* Pull out fixed field data */
+	memcpy(network->bssid, beacon->header.addr3, ETH_ALEN);
+	network->capability = le16_to_cpu(beacon->capability);
+	network->last_scanned = jiffies;
+	network->time_stamp[0] = le32_to_cpu(beacon->time_stamp[0]);
+	network->time_stamp[1] = le32_to_cpu(beacon->time_stamp[1]);
+	network->beacon_interval = le32_to_cpu(beacon->beacon_interval);
+	/* Where to pull this? beacon->listen_interval;*/
+	network->listen_interval = 0x0A;
+	network->rates_len = network->rates_ex_len = 0;
+	network->last_associate = 0;
+	network->ssid_len = 0;
+	network->hidden_ssid_len = 0;
+	memset(network->hidden_ssid, 0, sizeof(network->hidden_ssid));
+	network->flags = 0;
+	network->atim_window = 0;
+	network->erp_value = (network->capability & WLAN_CAPABILITY_IBSS) ?
+            0x3 : 0x0;
+	network->berp_info_valid = false;
+        network->broadcom_cap_exist = false;
+	network->ralink_cap_exist = false;
+	network->atheros_cap_exist = false;
+	network->cisco_cap_exist = false;
+	network->unknown_cap_exist = false;
+	network->realtek_cap_exit = false;
+	network->marvell_cap_exist = false;
+	network->airgo_cap_exist = false;
+	network->Turbo_Enable = 0;
+	network->SignalStrength = stats->SignalStrength;
+	network->RSSI = stats->SignalStrength;
+#ifdef ENABLE_DOT11D
+	network->CountryIeLen = 0;
+	memset(network->CountryIeBuf, 0, MAX_IE_LEN);
+#endif
+	HTInitializeBssDesc(&network->bssht);
+	if (stats->freq == RTLLIB_52GHZ_BAND) {
+		/* for A band (No DS info) */
+		network->channel = stats->received_channel;
+	} else
+		network->flags |= NETWORK_HAS_CCK;
+
+	network->wpa_ie_len = 0;
+	network->rsn_ie_len = 0;
+#if LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0)
+	network->wzc_ie_len = 0;
+#endif
+
+        if (rtllib_parse_info_param(ieee,
+			beacon->info_element,
+			(stats->len - sizeof(*beacon)),
+			network,
+			stats))
+                return 1;
+
+	network->mode = 0;
+	if (stats->freq == RTLLIB_52GHZ_BAND)
+		network->mode = IEEE_A;
+	else {
+		if (network->flags & NETWORK_HAS_OFDM)
+			network->mode |= IEEE_G;
+		if (network->flags & NETWORK_HAS_CCK)
+			network->mode |= IEEE_B;
+	}
+
+	if (network->mode == 0) {
+		RTLLIB_DEBUG_SCAN("Filtered out '%s (" MAC_FMT ")' "
+				     "network.\n",
+				     escape_essid(network->ssid,
+						  network->ssid_len),
+				     MAC_ARG(network->bssid));
+		return 1;
+	}
+
+	if (network->bssht.bdSupportHT){
+		if (network->mode == IEEE_A)
+			network->mode = IEEE_N_5G;
+		else if (network->mode & (IEEE_G | IEEE_B))
+			network->mode = IEEE_N_24G;
+	}
+	if (rtllib_is_empty_essid(network->ssid, network->ssid_len))
+		network->flags |= NETWORK_EMPTY_ESSID;
+	stats->signal = 30 + (stats->SignalStrength * 70) / 100;
+	stats->noise = rtllib_translate_todbm((u8)(100-stats->signal)) -25;
+
+	memcpy(&network->stats, stats, sizeof(network->stats));
+
+	return 0;
+}
+
+static inline int is_same_network(struct rtllib_network *src,
+				  struct rtllib_network *dst, u8 ssidbroad)
+{
+	/* A network is only a duplicate if the channel, BSSID, ESSID
+	 * and the capability field (in particular IBSS and BSS) all match.
+	 * We treat all <hidden> with the same BSSID and channel
+	 * as one network */
+	return
+		(((src->ssid_len == dst->ssid_len) || (!ssidbroad)) &&
+		(src->channel == dst->channel) &&
+		!memcmp(src->bssid, dst->bssid, ETH_ALEN) &&
+		(!memcmp(src->ssid, dst->ssid, src->ssid_len) || (!ssidbroad)) &&
+		((src->capability & WLAN_CAPABILITY_IBSS) ==
+		(dst->capability & WLAN_CAPABILITY_IBSS)) &&
+		((src->capability & WLAN_CAPABILITY_ESS) ==
+		(dst->capability & WLAN_CAPABILITY_ESS)));
+}
+
+static inline void update_ibss_network(struct rtllib_network *dst,
+				  struct rtllib_network *src)
+{
+	memcpy(&dst->stats, &src->stats, sizeof(struct rtllib_rx_stats));
+	dst->last_scanned = jiffies;
+}
+
+
+static inline void update_network(struct rtllib_network *dst,
+				  struct rtllib_network *src)
+{
+	int qos_active;
+	u8 old_param;
+
+	memcpy(&dst->stats, &src->stats, sizeof(struct rtllib_rx_stats));
+	dst->capability = src->capability;
+	memcpy(dst->rates, src->rates, src->rates_len);
+	dst->rates_len = src->rates_len;
+	memcpy(dst->rates_ex, src->rates_ex, src->rates_ex_len);
+	dst->rates_ex_len = src->rates_ex_len;
+	if (src->ssid_len > 0)
+	{
+		if (dst->ssid_len == 0)
+		{
+			memset(dst->hidden_ssid, 0, sizeof(dst->hidden_ssid));
+			dst->hidden_ssid_len = src->ssid_len;
+			memcpy(dst->hidden_ssid, src->ssid, src->ssid_len);
+		}else{
+			memset(dst->ssid, 0, dst->ssid_len);
+			dst->ssid_len = src->ssid_len;
+			memcpy(dst->ssid, src->ssid, src->ssid_len);
+		}
+	}
+	dst->mode = src->mode;
+	dst->flags = src->flags;
+	dst->time_stamp[0] = src->time_stamp[0];
+	dst->time_stamp[1] = src->time_stamp[1];
+	if (src->flags & NETWORK_HAS_ERP_VALUE)
+	{
+		dst->erp_value = src->erp_value;
+		dst->berp_info_valid = src->berp_info_valid = true;
+	}
+	dst->beacon_interval = src->beacon_interval;
+	dst->listen_interval = src->listen_interval;
+	dst->atim_window = src->atim_window;
+	dst->dtim_period = src->dtim_period;
+	dst->dtim_data = src->dtim_data;
+	dst->last_dtim_sta_time[0] = src->last_dtim_sta_time[0];
+	dst->last_dtim_sta_time[1] = src->last_dtim_sta_time[1];
+	memcpy(&dst->tim, &src->tim, sizeof(struct rtllib_tim_parameters));
+
+        dst->bssht.bdSupportHT = src->bssht.bdSupportHT;
+	dst->bssht.bdRT2RTAggregation = src->bssht.bdRT2RTAggregation;
+	dst->bssht.bdHTCapLen= src->bssht.bdHTCapLen;
+	memcpy(dst->bssht.bdHTCapBuf,src->bssht.bdHTCapBuf,src->bssht.bdHTCapLen);
+	dst->bssht.bdHTInfoLen= src->bssht.bdHTInfoLen;
+	memcpy(dst->bssht.bdHTInfoBuf,src->bssht.bdHTInfoBuf,src->bssht.bdHTInfoLen);
+	dst->bssht.bdHTSpecVer = src->bssht.bdHTSpecVer;
+	dst->bssht.bdRT2RTLongSlotTime = src->bssht.bdRT2RTLongSlotTime;
+	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->realtek_cap_exit = src->realtek_cap_exit;
+	dst->marvell_cap_exist = src->marvell_cap_exist;
+	dst->cisco_cap_exist = src->cisco_cap_exist;
+	dst->airgo_cap_exist = src->airgo_cap_exist;
+	dst->unknown_cap_exist = src->unknown_cap_exist;
+	memcpy(dst->wpa_ie, src->wpa_ie, src->wpa_ie_len);
+	dst->wpa_ie_len = src->wpa_ie_len;
+	memcpy(dst->rsn_ie, src->rsn_ie, src->rsn_ie_len);
+	dst->rsn_ie_len = src->rsn_ie_len;
+#if LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0)
+	memcpy(dst->wzc_ie, src->wzc_ie, src->wzc_ie_len);
+	dst->wzc_ie_len = src->wzc_ie_len;
+#endif
+
+	dst->last_scanned = jiffies;
+	/* qos related parameters */
+	qos_active = dst->qos_data.active;
+	old_param = dst->qos_data.param_count;
+	dst->qos_data.supported = src->qos_data.supported;
+	if (dst->flags & NETWORK_HAS_QOS_PARAMETERS)
+		memcpy(&dst->qos_data, &src->qos_data, sizeof(struct rtllib_qos_data));
+	if (dst->qos_data.supported == 1) {
+		if (dst->ssid_len)
+			RTLLIB_DEBUG_QOS
+				("QoS the network %s is QoS supported\n",
+				dst->ssid);
+		else
+			RTLLIB_DEBUG_QOS
+				("QoS the network is QoS supported\n");
+	}
+	dst->qos_data.active = qos_active;
+	dst->qos_data.old_param_count = old_param;
+
+	/* dst->last_associate is not overwritten */
+	dst->wmm_info = src->wmm_info;
+	if (src->wmm_param[0].ac_aci_acm_aifsn|| \
+	   src->wmm_param[1].ac_aci_acm_aifsn|| \
+	   src->wmm_param[2].ac_aci_acm_aifsn|| \
+	   src->wmm_param[1].ac_aci_acm_aifsn) {
+	  memcpy(dst->wmm_param, src->wmm_param, WME_AC_PRAM_LEN);
+	}
+
+	dst->SignalStrength = src->SignalStrength;
+	dst->RSSI = src->RSSI;
+	dst->Turbo_Enable = src->Turbo_Enable;
+
+#ifdef ENABLE_DOT11D
+	dst->CountryIeLen = src->CountryIeLen;
+	memcpy(dst->CountryIeBuf, src->CountryIeBuf, src->CountryIeLen);
+#endif
+
+	dst->bWithAironetIE = src->bWithAironetIE;
+	dst->bCkipSupported = src->bCkipSupported;
+	memcpy(dst->CcxRmState,src->CcxRmState,2);
+	dst->bCcxRmEnable = src->bCcxRmEnable;
+	dst->MBssidMask = src->MBssidMask;
+	dst->bMBssidValid = src->bMBssidValid;
+	memcpy(dst->MBssid,src->MBssid,6);
+	dst->bWithCcxVerNum = src->bWithCcxVerNum;
+	dst->BssCcxVerNumber = src->BssCcxVerNumber;
+
+}
+static inline int is_beacon(__le16 fc)
+{
+	return (WLAN_FC_GET_STYPE(le16_to_cpu(fc)) == RTLLIB_STYPE_BEACON);
+}
+
+#if defined(RTL8192U) || defined(RTL8192SU) || defined(RTL8192SE)
+u8 AsocEntry_ComputeSum(u8 *paddr)
+{
+	u32 sum;
+
+	sum =	paddr[0]+
+			paddr[1]+
+			paddr[2]+
+			paddr[3]+
+			paddr[4]+
+			paddr[5];
+
+	return (u8)(sum % PEER_MAX_ASSOC);
+}
+u8 AsocEntry_AssignAvailableAID(struct rtllib_device *ieee, u8 *paddr)
+{
+	int		i;
+
+	for (i = 0; i < PEER_MAX_ASSOC; i++)
+	{
+		if (ieee->AvailableAIDTable[i] == 99)
+		{
+			ieee->AvailableAIDTable[i] = AsocEntry_ComputeSum(paddr);
+			return i+1;
+		}
+	}
+
+	return 1;
+}
+
+void InitStaInfo(struct rtllib_device *ieee,int index)
+{
+	int idx = index;
+	ieee->peer_assoc_list[idx]->StaDataRate = 0;
+	ieee->peer_assoc_list[idx]->StaSS = 0;
+	ieee->peer_assoc_list[idx]->RetryFrameCnt = 0;
+	ieee->peer_assoc_list[idx]->NoRetryFrameCnt = 0;
+	ieee->peer_assoc_list[idx]->LastRetryCnt = 0;
+	ieee->peer_assoc_list[idx]->LastNoRetryCnt = 0;
+	ieee->peer_assoc_list[idx]->AvgRetryRate = 0;
+	ieee->peer_assoc_list[idx]->LastRetryRate = 0;
+	ieee->peer_assoc_list[idx]->txRateIndex = 11;
+	ieee->peer_assoc_list[idx]->APDataRate = 0x2;
+	ieee->peer_assoc_list[idx]->ForcedDataRate = 0x2;
+
+}
+static u8 IsStaInfoExist(struct rtllib_device *ieee, u8 *addr)
+{
+	int k=0;
+	struct sta_info * psta = NULL;
+	u8 sta_idx = PEER_MAX_ASSOC;
+
+	for (k=0; k<PEER_MAX_ASSOC; k++)
+	{
+		psta = ieee->peer_assoc_list[k];
+		if (NULL != psta)
+		{
+			if (memcmp(addr, psta->macaddr, ETH_ALEN) == 0)
+			{
+				sta_idx = k;
+				break;
+			}
+		}
+	}
+	return sta_idx;
+}
+static u8 GetFreeStaInfoIdx(struct rtllib_device *ieee, u8 *addr)
+{
+	int k = 0;
+	while((ieee->peer_assoc_list[k] != NULL) && (k < PEER_MAX_ASSOC))
+		k++;
+	printk("%s: addr:"MAC_FMT" index: %d\n", __func__, MAC_ARG(addr), k);
+	return k;
+}
+struct sta_info *GetStaInfo(struct rtllib_device *ieee, u8 *addr)
+{
+	int k=0;
+	struct sta_info * psta = NULL;
+	struct sta_info * psta_find = NULL;
+
+	for (k=0; k<PEER_MAX_ASSOC; k++)
+	{
+		psta = ieee->peer_assoc_list[k];
+		if (NULL != psta)
+		{
+			if (memcmp(addr, psta->macaddr, ETH_ALEN) == 0)
+			{
+				psta_find = psta;
+				break;
+			}
+		}
+	}
+	return psta_find;
+}
+void DelStaInfoList(struct rtllib_device *ieee)
+{
+	int idx = 0;
+	struct sta_info * AsocEntry = NULL;
+
+	atomic_set(&ieee->AsocEntryNum, 0);
+	for (idx=0; idx<PEER_MAX_ASSOC; idx++){
+		AsocEntry = ieee->peer_assoc_list[idx];
+		if (NULL != AsocEntry){
+			kfree(AsocEntry);
+			ieee->peer_assoc_list[idx] = NULL;
+		}
+		ieee->AvailableAIDTable[idx] = 99;
+	}
+}
+void DelStaInfo(struct rtllib_device *ieee, u8 *addr)
+{
+	struct sta_info * psta = NULL;
+	int k=0;
+
+	for (k=0; k<PEER_MAX_ASSOC; k++)
+	{
+		psta = ieee->peer_assoc_list[k];
+		if (NULL != psta){
+			if (memcmp(addr, psta->macaddr, ETH_ALEN) == 0){
+				if (psta->aid > 0 && psta->aid-1 < PEER_MAX_ASSOC)
+					ieee->AvailableAIDTable[psta->aid-1] = 99;
+				else
+					printk("%s(): clear non-existing entry AID\n", __func__);
+
+				kfree(psta);
+				ieee->peer_assoc_list[k] = NULL;
+				atomic_dec(&ieee->AsocEntryNum);
+			}
+		}
+	}
+}
+void IbssAgeFunction(struct rtllib_device *ieee)
+{
+	struct sta_info*	AsocEntry = NULL;
+	int				idx;
+	unsigned long		CurrentTime;
+	signed long		TimeDifference;
+	struct rtllib_network *target;
+
+	CurrentTime = jiffies;
+
+	for (idx = 0; idx < PEER_MAX_ASSOC; idx++)
+	{
+		AsocEntry = ieee->peer_assoc_list[idx];
+		if (AsocEntry)
+		{
+			TimeDifference = jiffies_to_msecs(CurrentTime - AsocEntry->LastActiveTime);
+
+			if (TimeDifference > 20000)
+			{
+				printk("IbssAgeFunction(): "MAC_FMT" timeout\n", MAC_ARG(AsocEntry->macaddr));
+				kfree(AsocEntry);
+				ieee->peer_assoc_list[idx] = NULL;
+				atomic_dec(&ieee->AsocEntryNum);
+
+				if (atomic_read(&ieee->AsocEntryNum) == 0){
+
+					down(&ieee->wx_sem);
+					rtllib_stop_protocol(ieee,true);
+
+					list_for_each_entry(target, &ieee->network_list, list) {
+						if (is_same_network(target, &ieee->current_network,(target->ssid_len?1:0))){
+							printk("delete sta of previous Ad-hoc\n");
+							list_del(&target->list);
+							break;
+						}
+					}
+
+					rtllib_start_protocol(ieee);
+					up(&ieee->wx_sem);
+				}
+			}
+		}
+	}
+
+#ifdef TO_DO_LIST
+	if (AsocEntry_AnyStationAssociated(pMgntInfo)==false)
+		DrvIFIndicateDisassociation(Adapter, unspec_reason);
+
+	if (pMgntInfo->dot11CurrentWirelessMode == WIRELESS_MODE_G ||
+		(IS_WIRELESS_MODE_N_24G(Adapter) && pMgntInfo->pHTInfo->bCurSuppCCK)	)
+	{
+		if (nBModeStaCnt == 0)
+		{
+			pMgntInfo->bUseProtection = false;
+			ActUpdate_mCapInfo(Adapter, pMgntInfo->mCap);
+		}
+	}
+
+	if (IS_WIRELESS_MODE_N_24G(Adapter) || IS_WIRELESS_MODE_N_5G(Adapter) )
+	{
+		if (nLegacyStaCnt > 0)
+		{
+			pMgntInfo->pHTInfo->CurrentOpMode = HT_OPMODE_MIXED;
+		}
+		else
+		{
+			if ((pMgntInfo->pHTInfo->bCurBW40MHz) && (n20MHzStaCnt > 0))
+				pMgntInfo->pHTInfo->CurrentOpMode = HT_OPMODE_40MHZ_PROTECT;
+			else
+				pMgntInfo->pHTInfo->CurrentOpMode = HT_OPMODE_NO_PROTECT;
+
+		}
+	}
+
+	if (IS_WIRELESS_MODE_G(Adapter) ||
+		(IS_WIRELESS_MODE_N_24G(Adapter) && pMgntInfo->pHTInfo->bCurSuppCCK))
+	{
+		if (pMgntInfo->bUseProtection)
+		{
+			u8 CckRate[4] = { MGN_1M, MGN_2M, MGN_5_5M, MGN_11M };
+			OCTET_STRING osCckRate;
+			FillOctetString(osCckRate, CckRate, 4);
+			FilterSupportRate(pMgntInfo->mBrates, &osCckRate, false);
+			Adapter->HalFunc.SetHwRegHandler(Adapter, HW_VAR_BASIC_RATE, (pu1Byte)&osCckRate);
+		}
+		else
+		{
+			Adapter->HalFunc.SetHwRegHandler( Adapter, HW_VAR_BASIC_RATE, (pu1Byte)(&pMgntInfo->mBrates) );
+		}
+	}
+#endif
+}
+#endif
+
+static int IsPassiveChannel( struct rtllib_device *rtllib, u8 channel)
+{
+	if (MAX_CHANNEL_NUMBER < channel) {
+		printk("%s(): Invalid Channel\n", __func__);
+		return 0;
+	}
+
+	if (rtllib->active_channel_map[channel] == 2)
+		return 1;
+
+	return 0;
+}
+
+int IsLegalChannel( struct rtllib_device *rtllib, u8 channel)
+{
+	if (MAX_CHANNEL_NUMBER < channel) {
+		printk("%s(): Invalid Channel\n", __func__);
+		return 0;
+	}
+	if (rtllib->active_channel_map[channel] > 0)
+		return 1;
+
+	return 0;
+}
+
+
+static inline void rtllib_process_probe_response(
+	struct rtllib_device *ieee,
+	struct rtllib_probe_response *beacon,
+	struct rtllib_rx_stats *stats)
+{
+	struct rtllib_network *target;
+	struct rtllib_network *oldest = NULL;
+#ifdef CONFIG_RTLLIB_DEBUG
+	struct rtllib_info_element *info_element = &beacon->info_element[0];
+#endif
+	unsigned long flags;
+	short renew;
+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,13))
+	struct rtllib_network *network = kzalloc(sizeof(struct rtllib_network), GFP_ATOMIC);
+#else
+	struct rtllib_network *network = kmalloc(sizeof(*network), GFP_ATOMIC);
+	memset(network,0,sizeof(*network));
+#endif
+
+	if (!network) {
+		return;
+	}
+
+	RTLLIB_DEBUG_SCAN(
+		"'%s' (" MAC_FMT "): %c%c%c%c %c%c%c%c-%c%c%c%c %c%c%c%c\n",
+		escape_essid(info_element->data, info_element->len),
+		MAC_ARG(beacon->header.addr3),
+		(beacon->capability & (1<<0xf)) ? '1' : '0',
+		(beacon->capability & (1<<0xe)) ? '1' : '0',
+		(beacon->capability & (1<<0xd)) ? '1' : '0',
+		(beacon->capability & (1<<0xc)) ? '1' : '0',
+		(beacon->capability & (1<<0xb)) ? '1' : '0',
+		(beacon->capability & (1<<0xa)) ? '1' : '0',
+		(beacon->capability & (1<<0x9)) ? '1' : '0',
+		(beacon->capability & (1<<0x8)) ? '1' : '0',
+		(beacon->capability & (1<<0x7)) ? '1' : '0',
+		(beacon->capability & (1<<0x6)) ? '1' : '0',
+		(beacon->capability & (1<<0x5)) ? '1' : '0',
+		(beacon->capability & (1<<0x4)) ? '1' : '0',
+		(beacon->capability & (1<<0x3)) ? '1' : '0',
+		(beacon->capability & (1<<0x2)) ? '1' : '0',
+		(beacon->capability & (1<<0x1)) ? '1' : '0',
+		(beacon->capability & (1<<0x0)) ? '1' : '0');
+
+	if (rtllib_network_init(ieee, beacon, network, stats)) {
+		RTLLIB_DEBUG_SCAN("Dropped '%s' (" MAC_FMT ") via %s.\n",
+				     escape_essid(info_element->data,
+						  info_element->len),
+				     MAC_ARG(beacon->header.addr3),
+				     WLAN_FC_GET_STYPE(beacon->header.frame_ctl) ==
+				     RTLLIB_STYPE_PROBE_RESP ?
+				     "PROBE RESPONSE" : "BEACON");
+		goto free_network;
+	}
+
+
+	if (!IsLegalChannel(ieee, network->channel))
+		goto free_network;
+
+	if (WLAN_FC_GET_STYPE(beacon->header.frame_ctl) == RTLLIB_STYPE_PROBE_RESP) {
+		if (IsPassiveChannel(ieee, network->channel)) {
+			printk("GetScanInfo(): For Global Domain, "
+			       "filter probe response at channel(%d).\n", network->channel);
+			goto free_network;
+		}
+	}
+
+	/* The network parsed correctly -- so now we scan our known networks
+	 * to see if we can find it in our list.
+	 *
+	 * NOTE:  This search is definitely not optimized.  Once its doing
+	 *        the "right thing" we'll optimize it for efficiency if
+	 *        necessary */
+
+	/* Search for this entry in the list and update it if it is
+	 * already there. */
+
+	spin_lock_irqsave(&ieee->lock, flags);
+#if defined(RTL8192U) || defined(RTL8192SU) || defined(RTL8192SE)
+	if (is_beacon(beacon->header.frame_ctl)){
+		if ((ieee->iw_mode == IW_MODE_ADHOC) && (ieee->state == RTLLIB_LINKED))
+		{
+			if ((network->ssid_len == ieee->current_network.ssid_len)
+				&& (!memcmp(network->ssid,ieee->current_network.ssid,ieee->current_network.ssid_len))
+				&& (network->channel == ieee->current_network.channel)
+				&& (ieee->current_network.channel > 0)
+				&& (ieee->current_network.channel <= 14))
+			{
+				if (!memcmp(ieee->current_network.bssid,network->bssid,6))
+				{
+					int idx = 0;
+					struct rtllib_hdr_3addr* header = NULL;
+					int idx_exist = 0;
+					if (timer_pending(&ieee->ibss_wait_timer))
+						del_timer_sync(&ieee->ibss_wait_timer);
+					header = (struct rtllib_hdr_3addr*)&(beacon->header);
+					idx_exist = IsStaInfoExist(ieee,header->addr2);
+					if (idx_exist >= PEER_MAX_ASSOC) {
+						idx = GetFreeStaInfoIdx(ieee, header->addr2);
+					} else {
+						ieee->peer_assoc_list[idx_exist]->LastActiveTime = jiffies;
+						goto no_alloc;
+					}
+					if (idx >= PEER_MAX_ASSOC - 1) {
+						printk("\n%s():ERR!!!Buffer overflow - could not append!!!",__func__);
+						goto free_network;
+					} else {
+						ieee->peer_assoc_list[idx] = (struct sta_info *)kmalloc(sizeof(struct sta_info), GFP_ATOMIC);
+						memset(ieee->peer_assoc_list[idx], 0, sizeof(struct sta_info));
+						ieee->peer_assoc_list[idx]->LastActiveTime = jiffies;
+						memcpy(ieee->peer_assoc_list[idx]->macaddr,header->addr2,ETH_ALEN);
+						ieee->peer_assoc_list[idx]->ratr_index = 8;
+						InitStaInfo(ieee,idx);
+						atomic_inc(&ieee->AsocEntryNum);
+						ieee->peer_assoc_list[idx]->aid = AsocEntry_AssignAvailableAID(ieee, ieee->peer_assoc_list[idx]->macaddr);
+						ieee->check_ht_cap(ieee->dev,ieee->peer_assoc_list[idx],network);
+						queue_delayed_work_rsl(ieee->wq, &ieee->update_assoc_sta_info_wq, 0);
+						ieee->Adhoc_InitRateAdaptive(ieee->dev,ieee->peer_assoc_list[idx]);
+					}
+				}
+			}
+		}
+	}
+	if (ieee->iw_mode == IW_MODE_ADHOC){
+		if ((network->ssid_len == ieee->current_network.ssid_len)
+			&& (!memcmp(network->ssid,ieee->current_network.ssid,ieee->current_network.ssid_len))
+			&& (network->capability & WLAN_CAPABILITY_IBSS)
+			&& (ieee->state == RTLLIB_LINKED_SCANNING))
+		{
+			if (memcmp(ieee->current_network.bssid,network->bssid,6))
+			{
+				printk("%s(): SSID matched but BSSID mismatched.\n",__func__);
+
+				ieee->TargetTsf = beacon->time_stamp[1];
+				ieee->TargetTsf <<= 32;
+				ieee->TargetTsf |= beacon->time_stamp[0];
+
+				ieee->CurrTsf = stats->TimeStampLow;
+
+				queue_delayed_work_rsl(ieee->wq, &ieee->check_tsf_wq, 0);
+			}
+		}
+	}
+#endif
+#if defined(RTL8192U) || defined(RTL8192SU) || defined(RTL8192SE)
+no_alloc:
+	if (ieee->iw_mode == IW_MODE_INFRA)
+#endif
+	{
+		if (is_same_network(&ieee->current_network, network, (network->ssid_len?1:0))) {
+			update_network(&ieee->current_network, network);
+			if ((ieee->current_network.mode == IEEE_N_24G || ieee->current_network.mode == IEEE_G)
+			&& ieee->current_network.berp_info_valid){
+			if (ieee->current_network.erp_value& ERP_UseProtection)
+				ieee->current_network.buseprotection = true;
+		else
+			ieee->current_network.buseprotection = false;
+		}
+		if (is_beacon(beacon->header.frame_ctl))
+		{
+				if (ieee->state >= RTLLIB_LINKED)
+					ieee->LinkDetectInfo.NumRecvBcnInPeriod++;
+			}
+		}
+	}
+#if defined(RTL8192U) || defined(RTL8192SU) || defined(RTL8192SE)
+	else if (ieee->iw_mode == IW_MODE_ADHOC)
+	{
+		if (is_same_network(&ieee->current_network, network, (network->ssid_len?1:0))) {
+			update_ibss_network(&ieee->current_network, network);
+		}
+	}
+#endif
+	list_for_each_entry(target, &ieee->network_list, list) {
+		if (is_same_network(target, network,(target->ssid_len?1:0)))
+			break;
+		if ((oldest == NULL) ||
+		    (target->last_scanned < oldest->last_scanned))
+			oldest = target;
+	}
+
+	/* If we didn't find a match, then get a new network slot to initialize
+	 * with this beacon's information */
+	if (&target->list == &ieee->network_list) {
+		if (list_empty(&ieee->network_free_list)) {
+			/* If there are no more slots, expire the oldest */
+			list_del(&oldest->list);
+			target = oldest;
+			RTLLIB_DEBUG_SCAN("Expired '%s' (" MAC_FMT ") from "
+					     "network list.\n",
+					     escape_essid(target->ssid,
+							  target->ssid_len),
+					     MAC_ARG(target->bssid));
+		} else {
+			/* Otherwise just pull from the free list */
+			target = list_entry(ieee->network_free_list.next,
+					    struct rtllib_network, list);
+			list_del(ieee->network_free_list.next);
+		}
+
+
+#ifdef CONFIG_RTLLIB_DEBUG
+		RTLLIB_DEBUG_SCAN("Adding '%s' (" MAC_FMT ") via %s.\n",
+				     escape_essid(network->ssid,
+						  network->ssid_len),
+				     MAC_ARG(network->bssid),
+				     WLAN_FC_GET_STYPE(beacon->header.frame_ctl) ==
+				     RTLLIB_STYPE_PROBE_RESP ?
+				     "PROBE RESPONSE" : "BEACON");
+#endif
+		memcpy(target, network, sizeof(*target));
+		list_add_tail(&target->list, &ieee->network_list);
+		if (ieee->softmac_features & IEEE_SOFTMAC_ASSOCIATE)
+			rtllib_softmac_new_net(ieee, network);
+	} else {
+		RTLLIB_DEBUG_SCAN("Updating '%s' (" MAC_FMT ") via %s.\n",
+				     escape_essid(target->ssid,
+						  target->ssid_len),
+				     MAC_ARG(target->bssid),
+				     WLAN_FC_GET_STYPE(beacon->header.frame_ctl) ==
+				     RTLLIB_STYPE_PROBE_RESP ?
+				     "PROBE RESPONSE" : "BEACON");
+
+		/* we have an entry and we are going to update it. But this entry may
+		 * be already expired. In this case we do the same as we found a new
+		 * net and call the new_net handler
+		 */
+		renew = !time_after(target->last_scanned + ieee->scan_age, jiffies);
+		if ((!target->ssid_len) &&
+			(((network->ssid_len > 0) && (target->hidden_ssid_len == 0))
+			|| ((ieee->current_network.ssid_len == network->ssid_len) &&
+			   (strncmp(ieee->current_network.ssid, network->ssid, network->ssid_len) == 0) &&
+			   (ieee->state == RTLLIB_NOLINK)))
+			) {
+			renew = 1;
+		}
+		update_network(target, network);
+		if (renew && (ieee->softmac_features & IEEE_SOFTMAC_ASSOCIATE))
+			rtllib_softmac_new_net(ieee, network);
+	}
+
+	spin_unlock_irqrestore(&ieee->lock, flags);
+	if (is_beacon(beacon->header.frame_ctl)&&is_same_network(&ieee->current_network, network, (network->ssid_len?1:0))&&\
+		(ieee->state == RTLLIB_LINKED)) {
+		if (ieee->handle_beacon != NULL) {
+			ieee->handle_beacon(ieee->dev,beacon,&ieee->current_network);
+		}
+	}
+free_network:
+	kfree(network);
+	return;
+}
+
+void rtllib_rx_mgt(struct rtllib_device *ieee,
+                      struct sk_buff *skb,
+		      struct rtllib_rx_stats *stats)
+{
+    struct rtllib_hdr_4addr *header = (struct rtllib_hdr_4addr *)skb->data ;
+    if (WLAN_FC_GET_STYPE(header->frame_ctl) != RTLLIB_STYPE_PROBE_RESP &&
+            WLAN_FC_GET_STYPE(header->frame_ctl) != RTLLIB_STYPE_BEACON)
+        ieee->last_rx_ps_time = jiffies;
+
+    switch (WLAN_FC_GET_STYPE(header->frame_ctl)) {
+
+        case RTLLIB_STYPE_BEACON:
+            RTLLIB_DEBUG_MGMT("received BEACON (%d)\n",
+                    WLAN_FC_GET_STYPE(header->frame_ctl));
+            RTLLIB_DEBUG_SCAN("Beacon\n");
+            rtllib_process_probe_response(
+                    ieee, (struct rtllib_probe_response *)header, stats);
+
+            if (ieee->sta_sleep || (ieee->ps != RTLLIB_PS_DISABLED &&
+                        ieee->iw_mode == IW_MODE_INFRA &&
+                        ieee->state == RTLLIB_LINKED))
+		tasklet_schedule(&ieee->ps_task);
+
+            break;
+
+        case RTLLIB_STYPE_PROBE_RESP:
+            RTLLIB_DEBUG_MGMT("received PROBE RESPONSE (%d)\n",
+                    WLAN_FC_GET_STYPE(header->frame_ctl));
+            RTLLIB_DEBUG_SCAN("Probe response\n");
+            rtllib_process_probe_response(
+                    ieee, (struct rtllib_probe_response *)header, stats);
+            break;
+        case RTLLIB_STYPE_PROBE_REQ:
+            RTLLIB_DEBUG_MGMT("received PROBE RESQUEST (%d)\n",
+                    WLAN_FC_GET_STYPE(header->frame_ctl));
+            RTLLIB_DEBUG_SCAN("Probe request\n");
+            if ((ieee->softmac_features & IEEE_SOFTMAC_PROBERS) &&
+                    ((ieee->iw_mode == IW_MODE_ADHOC ||
+                      ieee->iw_mode == IW_MODE_MASTER) &&
+                     ieee->state == RTLLIB_LINKED)){
+                rtllib_rx_probe_rq(ieee, skb);
+            }
+            break;
+    }
+
+}