1 files changed, 549 insertions, 304 deletions

diff --git a/drivers/net/wireless/rtlwifi/pci.c b/drivers/net/wireless/rtlwifi/pci.c
index 74a8ba4b8844..667aba81246c 100644
--- a/drivers/net/wireless/rtlwifi/pci.c
+++ b/drivers/net/wireless/rtlwifi/pci.c
@@ -33,6 +33,7 @@
 #include "base.h"
 #include "ps.h"
 #include "efuse.h"
+#include <linux/interrupt.h>
 #include <linux/export.h>
 #include <linux/kmemleak.h>
 #include <linux/module.h>
@@ -44,10 +45,10 @@ MODULE_LICENSE("GPL");
 MODULE_DESCRIPTION("PCI basic driver for rtlwifi");
 
 static const u16 pcibridge_vendors[PCI_BRIDGE_VENDOR_MAX] = {
-	PCI_VENDOR_ID_INTEL,
-	PCI_VENDOR_ID_ATI,
-	PCI_VENDOR_ID_AMD,
-	PCI_VENDOR_ID_SI
+	INTEL_VENDOR_ID,
+	ATI_VENDOR_ID,
+	AMD_VENDOR_ID,
+	SIS_VENDOR_ID
 };
 
 static const u8 ac_to_hwq[] = {
@@ -566,27 +567,25 @@ static void _rtl_pci_tx_isr(struct ieee80211_hw *hw, int prio)
 	struct rtl8192_tx_ring *ring = &rtlpci->tx_ring[prio];
 
 	while (skb_queue_len(&ring->queue)) {
-		struct rtl_tx_desc *entry = &ring->desc[ring->idx];
 		struct sk_buff *skb;
 		struct ieee80211_tx_info *info;
 		__le16 fc;
 		u8 tid;
+		u8 *entry;
 
-		u8 own = (u8) rtlpriv->cfg->ops->get_desc((u8 *) entry, true,
-							  HW_DESC_OWN);
+		if (rtlpriv->use_new_trx_flow)
+			entry = (u8 *)(&ring->buffer_desc[ring->idx]);
+		else
+			entry = (u8 *)(&ring->desc[ring->idx]);
 
-		/*beacon packet will only use the first
-		 *descriptor by defaut, and the own may not
-		 *be cleared by the hardware
-		 */
-		if (own)
+		if (!rtlpriv->cfg->ops->is_tx_desc_closed(hw, prio, ring->idx))
 			return;
 		ring->idx = (ring->idx + 1) % ring->entries;
 
 		skb = __skb_dequeue(&ring->queue);
 		pci_unmap_single(rtlpci->pdev,
 				 rtlpriv->cfg->ops->
-					     get_desc((u8 *) entry, true,
+					     get_desc((u8 *)entry, true,
 						      HW_DESC_TXBUFF_ADDR),
 				 skb->len, PCI_DMA_TODEVICE);
 
@@ -598,7 +597,7 @@ static void _rtl_pci_tx_isr(struct ieee80211_hw *hw, int prio)
 			 "new ring->idx:%d, free: skb_queue_len:%d, free: seq:%x\n",
 			 ring->idx,
 			 skb_queue_len(&ring->queue),
-			 *(u16 *) (skb->data + 22));
+			 *(u16 *)(skb->data + 22));
 
 		if (prio == TXCMD_QUEUE) {
 			dev_kfree_skb(skb);
@@ -666,175 +665,276 @@ tx_status_ok:
 	}
 }
 
-static void _rtl_receive_one(struct ieee80211_hw *hw, struct sk_buff *skb,
-			     struct ieee80211_rx_status rx_status)
+static int _rtl_pci_init_one_rxdesc(struct ieee80211_hw *hw,
+				    u8 *entry, int rxring_idx, int desc_idx)
 {
 	struct rtl_priv *rtlpriv = rtl_priv(hw);
-	struct ieee80211_hdr *hdr = rtl_get_hdr(skb);
-	__le16 fc = rtl_get_fc(skb);
-	bool unicast = false;
-	struct sk_buff *uskb = NULL;
-	u8 *pdata;
-
-
-	memcpy(IEEE80211_SKB_RXCB(skb), &rx_status, sizeof(rx_status));
-
-	if (is_broadcast_ether_addr(hdr->addr1)) {
-		;/*TODO*/
-	} else if (is_multicast_ether_addr(hdr->addr1)) {
-		;/*TODO*/
+	struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
+	u32 bufferaddress;
+	u8 tmp_one = 1;
+	struct sk_buff *skb;
+
+	skb = dev_alloc_skb(rtlpci->rxbuffersize);
+	if (!skb)
+		return 0;
+	rtlpci->rx_ring[rxring_idx].rx_buf[desc_idx] = skb;
+
+	/* just set skb->cb to mapping addr for pci_unmap_single use */
+	*((dma_addr_t *)skb->cb) =
+		pci_map_single(rtlpci->pdev, skb_tail_pointer(skb),
+			       rtlpci->rxbuffersize, PCI_DMA_FROMDEVICE);
+	bufferaddress = *((dma_addr_t *)skb->cb);
+	if (pci_dma_mapping_error(rtlpci->pdev, bufferaddress))
+		return 0;
+	if (rtlpriv->use_new_trx_flow) {
+		rtlpriv->cfg->ops->set_desc(hw, (u8 *)entry, false,
+					    HW_DESC_RX_PREPARE,
+					    (u8 *)&bufferaddress);
 	} else {
-		unicast = true;
-		rtlpriv->stats.rxbytesunicast += skb->len;
+		rtlpriv->cfg->ops->set_desc(hw, (u8 *)entry, false,
+					    HW_DESC_RXBUFF_ADDR,
+					    (u8 *)&bufferaddress);
+		rtlpriv->cfg->ops->set_desc(hw, (u8 *)entry, false,
+					    HW_DESC_RXPKT_LEN,
+					    (u8 *)&rtlpci->rxbuffersize);
+		rtlpriv->cfg->ops->set_desc(hw, (u8 *)entry, false,
+					    HW_DESC_RXOWN,
+					    (u8 *)&tmp_one);
 	}
+	return 1;
+}
 
-	if (ieee80211_is_data(fc)) {
-		rtlpriv->cfg->ops->led_control(hw, LED_CTL_RX);
-
-		if (unicast)
-			rtlpriv->link_info.num_rx_inperiod++;
+/* inorder to receive 8K AMSDU we have set skb to
+ * 9100bytes in init rx ring, but if this packet is
+ * not a AMSDU, this large packet will be sent to
+ * TCP/IP directly, this cause big packet ping fail
+ * like: "ping -s 65507", so here we will realloc skb
+ * based on the true size of packet, Mac80211
+ * Probably will do it better, but does not yet.
+ *
+ * Some platform will fail when alloc skb sometimes.
+ * in this condition, we will send the old skb to
+ * mac80211 directly, this will not cause any other
+ * issues, but only this packet will be lost by TCP/IP
+ */
+static void _rtl_pci_rx_to_mac80211(struct ieee80211_hw *hw,
+				    struct sk_buff *skb,
+				    struct ieee80211_rx_status rx_status)
+{
+	if (unlikely(!rtl_action_proc(hw, skb, false))) {
+		dev_kfree_skb_any(skb);
+	} else {
+		struct sk_buff *uskb = NULL;
+		u8 *pdata;
+
+		uskb = dev_alloc_skb(skb->len + 128);
+		if (likely(uskb)) {
+			memcpy(IEEE80211_SKB_RXCB(uskb), &rx_status,
+			       sizeof(rx_status));
+			pdata = (u8 *)skb_put(uskb, skb->len);
+			memcpy(pdata, skb->data, skb->len);
+			dev_kfree_skb_any(skb);
+			ieee80211_rx_irqsafe(hw, uskb);
+		} else {
+			ieee80211_rx_irqsafe(hw, skb);
+		}
 	}
+}
 
-	/* static bcn for roaming */
-	rtl_beacon_statistic(hw, skb);
-	rtl_p2p_info(hw, (void *)skb->data, skb->len);
-
-	/* for sw lps */
-	rtl_swlps_beacon(hw, (void *)skb->data, skb->len);
-	rtl_recognize_peer(hw, (void *)skb->data, skb->len);
-	if ((rtlpriv->mac80211.opmode == NL80211_IFTYPE_AP) &&
-	    (rtlpriv->rtlhal.current_bandtype == BAND_ON_2_4G) &&
-	     (ieee80211_is_beacon(fc) || ieee80211_is_probe_resp(fc)))
-		return;
-
-	if (unlikely(!rtl_action_proc(hw, skb, false)))
-		return;
-
-	uskb = dev_alloc_skb(skb->len + 128);
-	if (!uskb)
-		return;		/* exit if allocation failed */
-	memcpy(IEEE80211_SKB_RXCB(uskb), &rx_status, sizeof(rx_status));
-	pdata = (u8 *)skb_put(uskb, skb->len);
-	memcpy(pdata, skb->data, skb->len);
+/*hsisr interrupt handler*/
+static void _rtl_pci_hs_interrupt(struct ieee80211_hw *hw)
+{
+	struct rtl_priv *rtlpriv = rtl_priv(hw);
+	struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
 
-	ieee80211_rx_irqsafe(hw, uskb);
+	rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[MAC_HSISR],
+		       rtl_read_byte(rtlpriv, rtlpriv->cfg->maps[MAC_HSISR]) |
+		       rtlpci->sys_irq_mask);
 }
 
 static void _rtl_pci_rx_interrupt(struct ieee80211_hw *hw)
 {
 	struct rtl_priv *rtlpriv = rtl_priv(hw);
 	struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
-	int rx_queue_idx = RTL_PCI_RX_MPDU_QUEUE;
-
+	int rxring_idx = RTL_PCI_RX_MPDU_QUEUE;
 	struct ieee80211_rx_status rx_status = { 0 };
 	unsigned int count = rtlpci->rxringcount;
 	u8 own;
 	u8 tmp_one;
-	u32 bufferaddress;
-
+	bool unicast = false;
+	u8 hw_queue = 0;
+	unsigned int rx_remained_cnt;
 	struct rtl_stats stats = {
 		.signal = 0,
 		.rate = 0,
 	};
-	int index = rtlpci->rx_ring[rx_queue_idx].idx;
 
-	if (rtlpci->driver_is_goingto_unload)
-		return;
 	/*RX NORMAL PKT */
 	while (count--) {
-		/*rx descriptor */
-		struct rtl_rx_desc *pdesc = &rtlpci->rx_ring[rx_queue_idx].desc[
-				index];
+		struct ieee80211_hdr *hdr;
+		__le16 fc;
+		u16 len;
+		/*rx buffer descriptor */
+		struct rtl_rx_buffer_desc *buffer_desc = NULL;
+		/*if use new trx flow, it means wifi info */
+		struct rtl_rx_desc *pdesc = NULL;
 		/*rx pkt */
-		struct sk_buff *skb = rtlpci->rx_ring[rx_queue_idx].rx_buf[
-				index];
-		struct sk_buff *new_skb = NULL;
-
-		own = (u8) rtlpriv->cfg->ops->get_desc((u8 *) pdesc,
-						       false, HW_DESC_OWN);
-
-		/*wait data to be filled by hardware */
-		if (own)
-			break;
+		struct sk_buff *skb = rtlpci->rx_ring[rxring_idx].rx_buf[
+				      rtlpci->rx_ring[rxring_idx].idx];
+
+		if (rtlpriv->use_new_trx_flow) {
+			rx_remained_cnt =
+				rtlpriv->cfg->ops->rx_desc_buff_remained_cnt(hw,
+								      hw_queue);
+			if (rx_remained_cnt < 1)
+				return;
+
+		} else {	/* rx descriptor */
+			pdesc = &rtlpci->rx_ring[rxring_idx].desc[
+				rtlpci->rx_ring[rxring_idx].idx];
+
+			own = (u8)rtlpriv->cfg->ops->get_desc((u8 *)pdesc,
+							      false,
+							      HW_DESC_OWN);
+			if (own) /* wait data to be filled by hardware */
+				return;
+		}
 
+		/* Reaching this point means: data is filled already
+		 * AAAAAAttention !!!
+		 * We can NOT access 'skb' before 'pci_unmap_single'
+		 */
+		pci_unmap_single(rtlpci->pdev, *((dma_addr_t *)skb->cb),
+				 rtlpci->rxbuffersize, PCI_DMA_FROMDEVICE);
+
+		if (rtlpriv->use_new_trx_flow) {
+			buffer_desc =
+			  &rtlpci->rx_ring[rxring_idx].buffer_desc
+				[rtlpci->rx_ring[rxring_idx].idx];
+			/*means rx wifi info*/
+			pdesc = (struct rtl_rx_desc *)skb->data;
+		}
+		memset(&rx_status , 0 , sizeof(rx_status));
 		rtlpriv->cfg->ops->query_rx_desc(hw, &stats,
-						 &rx_status,
-						 (u8 *) pdesc, skb);
+						 &rx_status, (u8 *)pdesc, skb);
 
-		if (stats.crc || stats.hwerror)
-			goto done;
+		if (rtlpriv->use_new_trx_flow)
+			rtlpriv->cfg->ops->rx_check_dma_ok(hw,
+							   (u8 *)buffer_desc,
+							   hw_queue);
 
-		new_skb = dev_alloc_skb(rtlpci->rxbuffersize);
-		if (unlikely(!new_skb)) {
-			RT_TRACE(rtlpriv, (COMP_INTR | COMP_RECV), DBG_DMESG,
-				 "can't alloc skb for rx\n");
-			goto done;
-		}
-		kmemleak_not_leak(new_skb);
+		len = rtlpriv->cfg->ops->get_desc((u8 *)pdesc, false,
+						  HW_DESC_RXPKT_LEN);
 
-		pci_unmap_single(rtlpci->pdev,
-				 *((dma_addr_t *) skb->cb),
-				 rtlpci->rxbuffersize,
-				 PCI_DMA_FROMDEVICE);
+		if (skb->end - skb->tail > len) {
+			skb_put(skb, len);
+			if (rtlpriv->use_new_trx_flow)
+				skb_reserve(skb, stats.rx_drvinfo_size +
+					    stats.rx_bufshift + 24);
+			else
+				skb_reserve(skb, stats.rx_drvinfo_size +
+					    stats.rx_bufshift);
 
-		skb_put(skb, rtlpriv->cfg->ops->get_desc((u8 *) pdesc, false,
-			HW_DESC_RXPKT_LEN));
-		skb_reserve(skb, stats.rx_drvinfo_size + stats.rx_bufshift);
+		} else {
+			RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING,
+				 "skb->end - skb->tail = %d, len is %d\n",
+				 skb->end - skb->tail, len);
+			break;
+		}
+		/* handle command packet here */
+		if (rtlpriv->cfg->ops->rx_command_packet(hw, stats, skb)) {
+				dev_kfree_skb_any(skb);
+				goto end;
+		}
 
 		/*
 		 * NOTICE This can not be use for mac80211,
 		 * this is done in mac80211 code,
-		 * if you done here sec DHCP will fail
+		 * if done here sec DHCP will fail
 		 * skb_trim(skb, skb->len - 4);
 		 */
 
-		_rtl_receive_one(hw, skb, rx_status);
+		hdr = rtl_get_hdr(skb);
+		fc = rtl_get_fc(skb);
+
+		if (!stats.crc && !stats.hwerror) {
+			memcpy(IEEE80211_SKB_RXCB(skb), &rx_status,
+			       sizeof(rx_status));
+
+			if (is_broadcast_ether_addr(hdr->addr1)) {
+				;/*TODO*/
+			} else if (is_multicast_ether_addr(hdr->addr1)) {
+				;/*TODO*/
+			} else {
+				unicast = true;
+				rtlpriv->stats.rxbytesunicast += skb->len;
+			}
+			rtl_is_special_data(hw, skb, false);
 
+			if (ieee80211_is_data(fc)) {
+				rtlpriv->cfg->ops->led_control(hw, LED_CTL_RX);
+				if (unicast)
+					rtlpriv->link_info.num_rx_inperiod++;
+			}
+			/* static bcn for roaming */
+			rtl_beacon_statistic(hw, skb);
+			rtl_p2p_info(hw, (void *)skb->data, skb->len);
+			/* for sw lps */
+			rtl_swlps_beacon(hw, (void *)skb->data, skb->len);
+			rtl_recognize_peer(hw, (void *)skb->data, skb->len);
+			if ((rtlpriv->mac80211.opmode == NL80211_IFTYPE_AP) &&
+			    (rtlpriv->rtlhal.current_bandtype ==
+			     BAND_ON_2_4G) &&
+			    (ieee80211_is_beacon(fc) ||
+			     ieee80211_is_probe_resp(fc))) {
+				dev_kfree_skb_any(skb);
+			} else {
+				_rtl_pci_rx_to_mac80211(hw, skb, rx_status);
+			}
+		} else {
+			dev_kfree_skb_any(skb);
+		}
+		if (rtlpriv->use_new_trx_flow) {
+			rtlpci->rx_ring[hw_queue].next_rx_rp += 1;
+			rtlpci->rx_ring[hw_queue].next_rx_rp %=
+					RTL_PCI_MAX_RX_COUNT;
+
+			rx_remained_cnt--;
+			rtl_write_word(rtlpriv, 0x3B4,
+				       rtlpci->rx_ring[hw_queue].next_rx_rp);
+		}
 		if (((rtlpriv->link_info.num_rx_inperiod +
 		      rtlpriv->link_info.num_tx_inperiod) > 8) ||
 		      (rtlpriv->link_info.num_rx_inperiod > 2)) {
 			rtlpriv->enter_ps = false;
 			schedule_work(&rtlpriv->works.lps_change_work);
 		}
+end:
+		if (rtlpriv->use_new_trx_flow) {
+			_rtl_pci_init_one_rxdesc(hw, (u8 *)buffer_desc,
+						 rxring_idx,
+					       rtlpci->rx_ring[rxring_idx].idx);
+		} else {
+			_rtl_pci_init_one_rxdesc(hw, (u8 *)pdesc, rxring_idx,
+						 rtlpci->rx_ring[rxring_idx].idx);
 
-		dev_kfree_skb_any(skb);
-		skb = new_skb;
-
-		rtlpci->rx_ring[rx_queue_idx].rx_buf[index] = skb;
-		*((dma_addr_t *) skb->cb) =
-			    pci_map_single(rtlpci->pdev, skb_tail_pointer(skb),
-					   rtlpci->rxbuffersize,
-					   PCI_DMA_FROMDEVICE);
-
-done:
-		bufferaddress = (*((dma_addr_t *)skb->cb));
-		if (pci_dma_mapping_error(rtlpci->pdev, bufferaddress))
-			return;
-		tmp_one = 1;
-		rtlpriv->cfg->ops->set_desc(hw, (u8 *)pdesc, false,
-					    HW_DESC_RXBUFF_ADDR,
-					    (u8 *)&bufferaddress);
-		rtlpriv->cfg->ops->set_desc(hw, (u8 *)pdesc, false,
-					    HW_DESC_RXPKT_LEN,
-					    (u8 *)&rtlpci->rxbuffersize);
-
-		if (index == rtlpci->rxringcount - 1)
-			rtlpriv->cfg->ops->set_desc(hw, (u8 *)pdesc, false,
-						    HW_DESC_RXERO,
-						    &tmp_one);
-
-		rtlpriv->cfg->ops->set_desc(hw, (u8 *)pdesc, false, HW_DESC_RXOWN,
-					    &tmp_one);
-
-		index = (index + 1) % rtlpci->rxringcount;
+			if (rtlpci->rx_ring[rxring_idx].idx ==
+			    rtlpci->rxringcount - 1)
+				rtlpriv->cfg->ops->set_desc(hw, (u8 *)pdesc,
+							    false,
+							    HW_DESC_RXERO,
+							    (u8 *)&tmp_one);
+		}
+		rtlpci->rx_ring[rxring_idx].idx =
+				(rtlpci->rx_ring[rxring_idx].idx + 1) %
+				rtlpci->rxringcount;
 	}
-
-	rtlpci->rx_ring[rx_queue_idx].idx = index;
 }
 
 static irqreturn_t _rtl_pci_interrupt(int irq, void *dev_id)
 {
 	struct ieee80211_hw *hw = dev_id;
+	struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
 	struct rtl_priv *rtlpriv = rtl_priv(hw);
 	struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
 	unsigned long flags;
@@ -842,16 +942,18 @@ static irqreturn_t _rtl_pci_interrupt(int irq, void *dev_id)
 	u32 intb = 0;
 	irqreturn_t ret = IRQ_HANDLED;
 
-	spin_lock_irqsave(&rtlpriv->locks.irq_th_lock, flags);
+	if (rtlpci->irq_enabled == 0)
+		return ret;
+
+	spin_lock_irqsave(&rtlpriv->locks.irq_th_lock , flags);
+	rtlpriv->cfg->ops->disable_interrupt(hw);
 
 	/*read ISR: 4/8bytes */
 	rtlpriv->cfg->ops->interrupt_recognized(hw, &inta, &intb);
 
 	/*Shared IRQ or HW disappared */
-	if (!inta || inta == 0xffff) {
-		ret = IRQ_NONE;
+	if (!inta || inta == 0xffff)
 		goto done;
-	}
 
 	/*<1> beacon related */
 	if (inta & rtlpriv->cfg->maps[RTL_IMR_TBDOK]) {
@@ -874,8 +976,8 @@ static irqreturn_t _rtl_pci_interrupt(int irq, void *dev_id)
 		tasklet_schedule(&rtlpriv->works.irq_prepare_bcn_tasklet);
 	}
 
-	/*<3> Tx related */
-	if (unlikely(inta & rtlpriv->cfg->maps[RTL_IMR_TXFOVW]))
+	/*<2> Tx related */
+	if (unlikely(intb & rtlpriv->cfg->maps[RTL_IMR_TXFOVW]))
 		RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING, "IMR_TXFOVW!\n");
 
 	if (inta & rtlpriv->cfg->maps[RTL_IMR_MGNTDOK]) {
@@ -932,7 +1034,7 @@ static irqreturn_t _rtl_pci_interrupt(int irq, void *dev_id)
 		}
 	}
 
-	/*<2> Rx related */
+	/*<3> Rx related */
 	if (inta & rtlpriv->cfg->maps[RTL_IMR_ROK]) {
 		RT_TRACE(rtlpriv, COMP_INTR, DBG_TRACE, "Rx ok interrupt!\n");
 		_rtl_pci_rx_interrupt(hw);
@@ -944,12 +1046,12 @@ static irqreturn_t _rtl_pci_interrupt(int irq, void *dev_id)
 		_rtl_pci_rx_interrupt(hw);
 	}
 
-	if (unlikely(inta & rtlpriv->cfg->maps[RTL_IMR_RXFOVW])) {
+	if (unlikely(intb & rtlpriv->cfg->maps[RTL_IMR_RXFOVW])) {
 		RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING, "rx overflow !\n");
 		_rtl_pci_rx_interrupt(hw);
 	}
 
-	/*fw related*/
+	/*<4> fw related*/
 	if (rtlhal->hw_type == HARDWARE_TYPE_RTL8723AE) {
 		if (inta & rtlpriv->cfg->maps[RTL_IMR_C2HCMD]) {
 			RT_TRACE(rtlpriv, COMP_INTR, DBG_TRACE,
@@ -959,10 +1061,26 @@ static irqreturn_t _rtl_pci_interrupt(int irq, void *dev_id)
 		}
 	}
 
+	/*<5> hsisr related*/
+	/* Only 8188EE & 8723BE Supported.
+	 * If Other ICs Come in, System will corrupt,
+	 * because maps[RTL_IMR_HSISR_IND] & maps[MAC_HSISR]
+	 * are not initialized
+	 */
+	if (rtlhal->hw_type == HARDWARE_TYPE_RTL8188EE ||
+	    rtlhal->hw_type == HARDWARE_TYPE_RTL8723BE) {
+		if (unlikely(inta & rtlpriv->cfg->maps[RTL_IMR_HSISR_IND])) {
+			RT_TRACE(rtlpriv, COMP_INTR, DBG_TRACE,
+				 "hsisr interrupt!\n");
+			_rtl_pci_hs_interrupt(hw);
+		}
+	}
+
 	if (rtlpriv->rtlhal.earlymode_enable)
 		tasklet_schedule(&rtlpriv->works.irq_tasklet);
 
 done:
+	rtlpriv->cfg->ops->enable_interrupt(hw);
 	spin_unlock_irqrestore(&rtlpriv->locks.irq_th_lock, flags);
 	return ret;
 }
@@ -990,13 +1108,8 @@ static void _rtl_pci_prepare_bcn_tasklet(struct ieee80211_hw *hw)
 	memset(&tcb_desc, 0, sizeof(struct rtl_tcb_desc));
 	ring = &rtlpci->tx_ring[BEACON_QUEUE];
 	pskb = __skb_dequeue(&ring->queue);
-	if (pskb) {
-		struct rtl_tx_desc *entry = &ring->desc[ring->idx];
-		pci_unmap_single(rtlpci->pdev, rtlpriv->cfg->ops->get_desc(
-				 (u8 *) entry, true, HW_DESC_TXBUFF_ADDR),
-				 pskb->len, PCI_DMA_TODEVICE);
+	if (pskb)
 		kfree_skb(pskb);
-	}
 
 	/*NB: the beacon data buffer must be 32-bit aligned. */
 	pskb = ieee80211_beacon_get(hw, mac->vif);
@@ -1005,7 +1118,10 @@ static void _rtl_pci_prepare_bcn_tasklet(struct ieee80211_hw *hw)
 	hdr = rtl_get_hdr(pskb);
 	info = IEEE80211_SKB_CB(pskb);
 	pdesc = &ring->desc[0];
-	rtlpriv->cfg->ops->fill_tx_desc(hw, hdr, (u8 *) pdesc,
+	if (rtlpriv->use_new_trx_flow)
+		pbuffer_desc = &ring->buffer_desc[0];
+
+	rtlpriv->cfg->ops->fill_tx_desc(hw, hdr, (u8 *)pdesc,
 					(u8 *)pbuffer_desc, info, NULL, pskb,
 					BEACON_QUEUE, &tcb_desc);
 
@@ -1020,10 +1136,18 @@ static void _rtl_pci_prepare_bcn_tasklet(struct ieee80211_hw *hw)
 static void _rtl_pci_init_trx_var(struct ieee80211_hw *hw)
 {
 	struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
+	struct rtl_priv *rtlpriv = rtl_priv(hw);
+	struct rtl_hal *rtlhal = rtl_hal(rtlpriv);
 	u8 i;
+	u16 desc_num;
+
+	if (rtlhal->hw_type == HARDWARE_TYPE_RTL8192EE)
+		desc_num = TX_DESC_NUM_92E;
+	else
+		desc_num = RT_TXDESC_NUM;
 
 	for (i = 0; i < RTL_PCI_MAX_TX_QUEUE_COUNT; i++)
-		rtlpci->txringcount[i] = RT_TXDESC_NUM;
+		rtlpci->txringcount[i] = desc_num;
 
 	/*
 	 *we just alloc 2 desc for beacon queue,
@@ -1031,12 +1155,12 @@ static void _rtl_pci_init_trx_var(struct ieee80211_hw *hw)
 	 */
 	rtlpci->txringcount[BEACON_QUEUE] = 2;
 
-	/*
-	 *BE queue need more descriptor for performance
+	/*BE queue need more descriptor for performance
 	 *consideration or, No more tx desc will happen,
 	 *and may cause mac80211 mem leakage.
 	 */
-	rtlpci->txringcount[BE_QUEUE] = RT_TXDESC_NUM_BE_QUEUE;
+	if (!rtl_priv(hw)->use_new_trx_flow)
+		rtlpci->txringcount[BE_QUEUE] = RT_TXDESC_NUM_BE_QUEUE;
 
 	rtlpci->rxbuffersize = 9100;	/*2048/1024; */
 	rtlpci->rxringcount = RTL_PCI_MAX_RX_COUNT;	/*64; */
@@ -1087,113 +1211,124 @@ static int _rtl_pci_init_tx_ring(struct ieee80211_hw *hw,
 {
 	struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
 	struct rtl_priv *rtlpriv = rtl_priv(hw);
-	struct rtl_tx_desc *ring;
-	dma_addr_t dma;
+	struct rtl_tx_buffer_desc *buffer_desc;
+	struct rtl_tx_desc *desc;
+	dma_addr_t buffer_desc_dma, desc_dma;
 	u32 nextdescaddress;
 	int i;
 
-	ring = pci_zalloc_consistent(rtlpci->pdev, sizeof(*ring) * entries,
-				     &dma);
-	if (!ring || (unsigned long)ring & 0xFF) {
+	/* alloc tx buffer desc for new trx flow*/
+	if (rtlpriv->use_new_trx_flow) {
+		buffer_desc =
+		   pci_zalloc_consistent(rtlpci->pdev,
+					 sizeof(*buffer_desc) * entries,
+					 &buffer_desc_dma);
+
+		if (!buffer_desc || (unsigned long)buffer_desc & 0xFF) {
+			RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
+				 "Cannot allocate TX ring (prio = %d)\n",
+				 prio);
+			return -ENOMEM;
+		}
+
+		rtlpci->tx_ring[prio].buffer_desc = buffer_desc;
+		rtlpci->tx_ring[prio].buffer_desc_dma = buffer_desc_dma;
+
+		rtlpci->tx_ring[prio].cur_tx_rp = 0;
+		rtlpci->tx_ring[prio].cur_tx_wp = 0;
+		rtlpci->tx_ring[prio].avl_desc = entries;
+	}
+
+	/* alloc dma for this ring */
+	desc = pci_zalloc_consistent(rtlpci->pdev,
+				     sizeof(*desc) * entries, &desc_dma);
+
+	if (!desc || (unsigned long)desc & 0xFF) {
 		RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
 			 "Cannot allocate TX ring (prio = %d)\n", prio);
 		return -ENOMEM;
 	}
 
-	rtlpci->tx_ring[prio].desc = ring;
-	rtlpci->tx_ring[prio].dma = dma;
+	rtlpci->tx_ring[prio].desc = desc;
+	rtlpci->tx_ring[prio].dma = desc_dma;
+
 	rtlpci->tx_ring[prio].idx = 0;
 	rtlpci->tx_ring[prio].entries = entries;
 	skb_queue_head_init(&rtlpci->tx_ring[prio].queue);
 
 	RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD, "queue:%d, ring_addr:%p\n",
-		 prio, ring);
-
-	for (i = 0; i < entries; i++) {
-		nextdescaddress = (u32) dma +
-					      ((i + 1) % entries) *
-					      sizeof(*ring);
-
-		rtlpriv->cfg->ops->set_desc(hw, (u8 *)&(ring[i]),
-					    true, HW_DESC_TX_NEXTDESC_ADDR,
-					    (u8 *)&nextdescaddress);
+		 prio, desc);
+
+	/* init every desc in this ring */
+	if (!rtlpriv->use_new_trx_flow) {
+		for (i = 0; i < entries; i++) {
+			nextdescaddress = (u32)desc_dma +
+					  ((i +	1) % entries) *
+					  sizeof(*desc);
+
+			rtlpriv->cfg->ops->set_desc(hw, (u8 *)&desc[i],
+						    true,
+						    HW_DESC_TX_NEXTDESC_ADDR,
+						    (u8 *)&nextdescaddress);
+		}
 	}
-
 	return 0;
 }
 
-static int _rtl_pci_init_rx_ring(struct ieee80211_hw *hw)
+static int _rtl_pci_init_rx_ring(struct ieee80211_hw *hw, int rxring_idx)
 {
 	struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
 	struct rtl_priv *rtlpriv = rtl_priv(hw);
-	struct rtl_rx_desc *entry = NULL;
-	int i, rx_queue_idx;
-	u8 tmp_one = 1;
+	int i;
 
-	/*
-	 *rx_queue_idx 0:RX_MPDU_QUEUE
-	 *rx_queue_idx 1:RX_CMD_QUEUE
-	 */
-	for (rx_queue_idx = 0; rx_queue_idx < RTL_PCI_MAX_RX_QUEUE;
-	     rx_queue_idx++) {
-		rtlpci->rx_ring[rx_queue_idx].desc =
-			pci_zalloc_consistent(rtlpci->pdev,
-					      sizeof(*rtlpci->rx_ring[rx_queue_idx].desc) * rtlpci->rxringcount,
-					      &rtlpci->rx_ring[rx_queue_idx].dma);
-
-		if (!rtlpci->rx_ring[rx_queue_idx].desc ||
-		    (unsigned long)rtlpci->rx_ring[rx_queue_idx].desc & 0xFF) {
+	if (rtlpriv->use_new_trx_flow) {
+		struct rtl_rx_buffer_desc *entry = NULL;
+		/* alloc dma for this ring */
+		rtlpci->rx_ring[rxring_idx].buffer_desc =
+		    pci_zalloc_consistent(rtlpci->pdev,
+					  sizeof(*rtlpci->rx_ring[rxring_idx].
+						 buffer_desc) *
+						 rtlpci->rxringcount,
+					  &rtlpci->rx_ring[rxring_idx].dma);
+		if (!rtlpci->rx_ring[rxring_idx].buffer_desc ||
+		    (ulong)rtlpci->rx_ring[rxring_idx].buffer_desc & 0xFF) {
 			RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
 				 "Cannot allocate RX ring\n");
 			return -ENOMEM;
 		}
 
-		rtlpci->rx_ring[rx_queue_idx].idx = 0;
+		/* init every desc in this ring */
+		rtlpci->rx_ring[rxring_idx].idx = 0;
+		for (i = 0; i < rtlpci->rxringcount; i++) {
+			entry = &rtlpci->rx_ring[rxring_idx].buffer_desc[i];
+			if (!_rtl_pci_init_one_rxdesc(hw, (u8 *)entry,
+						      rxring_idx, i))
+				return -ENOMEM;
+		}
+	} else {
+		struct rtl_rx_desc *entry = NULL;
+		u8 tmp_one = 1;
+		/* alloc dma for this ring */
+		rtlpci->rx_ring[rxring_idx].desc =
+		    pci_zalloc_consistent(rtlpci->pdev,
+					  sizeof(*rtlpci->rx_ring[rxring_idx].
+					  desc) * rtlpci->rxringcount,
+					  &rtlpci->rx_ring[rxring_idx].dma);
+		if (!rtlpci->rx_ring[rxring_idx].desc ||
+		    (unsigned long)rtlpci->rx_ring[rxring_idx].desc & 0xFF) {
+			RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
+				 "Cannot allocate RX ring\n");
+			return -ENOMEM;
+		}
 
-		/* If amsdu_8k is disabled, set buffersize to 4096. This
-		 * change will reduce memory fragmentation.
-		 */
-		if (rtlpci->rxbuffersize > 4096 &&
-		    rtlpriv->rtlhal.disable_amsdu_8k)
-			rtlpci->rxbuffersize = 4096;
+		/* init every desc in this ring */
+		rtlpci->rx_ring[rxring_idx].idx = 0;
 
 		for (i = 0; i < rtlpci->rxringcount; i++) {
-			struct sk_buff *skb =
-			    dev_alloc_skb(rtlpci->rxbuffersize);
-			u32 bufferaddress;
-			if (!skb)
-				return 0;
-			kmemleak_not_leak(skb);
-			entry = &rtlpci->rx_ring[rx_queue_idx].desc[i];
-
-			/*skb->dev = dev; */
-
-			rtlpci->rx_ring[rx_queue_idx].rx_buf[i] = skb;
-
-			/*
-			 *just set skb->cb to mapping addr
-			 *for pci_unmap_single use
-			 */
-			*((dma_addr_t *) skb->cb) =
-			    pci_map_single(rtlpci->pdev, skb_tail_pointer(skb),
-					   rtlpci->rxbuffersize,
-					   PCI_DMA_FROMDEVICE);
-
-			bufferaddress = (*((dma_addr_t *)skb->cb));
-			if (pci_dma_mapping_error(rtlpci->pdev, bufferaddress)) {
-				dev_kfree_skb_any(skb);
-				return 1;
-			}
-			rtlpriv->cfg->ops->set_desc(hw, (u8 *)entry, false,
-						    HW_DESC_RXBUFF_ADDR,
-						    (u8 *)&bufferaddress);
-			rtlpriv->cfg->ops->set_desc(hw, (u8 *)entry, false,
-						    HW_DESC_RXPKT_LEN,
-						    (u8 *)&rtlpci->
-						    rxbuffersize);
-			rtlpriv->cfg->ops->set_desc(hw, (u8 *)entry, false,
-						    HW_DESC_RXOWN,
-						    &tmp_one);
+			entry = &rtlpci->rx_ring[rxring_idx].desc[i];
+			if (!_rtl_pci_init_one_rxdesc(hw, (u8 *)entry,
+						      rxring_idx, i))
+				return -ENOMEM;
 		}
 
 		rtlpriv->cfg->ops->set_desc(hw, (u8 *)entry, false,
@@ -1209,56 +1344,70 @@ static void _rtl_pci_free_tx_ring(struct ieee80211_hw *hw,
 	struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
 	struct rtl8192_tx_ring *ring = &rtlpci->tx_ring[prio];
 
+	/* free every desc in this ring */
 	while (skb_queue_len(&ring->queue)) {
-		struct rtl_tx_desc *entry = &ring->desc[ring->idx];
+		u8 *entry;
 		struct sk_buff *skb = __skb_dequeue(&ring->queue);
 
+		if (rtlpriv->use_new_trx_flow)
+			entry = (u8 *)(&ring->buffer_desc[ring->idx]);
+		else
+			entry = (u8 *)(&ring->desc[ring->idx]);
+
 		pci_unmap_single(rtlpci->pdev,
 				 rtlpriv->cfg->
-					     ops->get_desc((u8 *) entry, true,
+					     ops->get_desc((u8 *)entry, true,
 						   HW_DESC_TXBUFF_ADDR),
 				 skb->len, PCI_DMA_TODEVICE);
 		kfree_skb(skb);
 		ring->idx = (ring->idx + 1) % ring->entries;
 	}
 
-	if (ring->desc) {
+	/* free dma of this ring */
+	pci_free_consistent(rtlpci->pdev,
+			    sizeof(*ring->desc) * ring->entries,
+			    ring->desc, ring->dma);
+	ring->desc = NULL;
+	if (rtlpriv->use_new_trx_flow) {
 		pci_free_consistent(rtlpci->pdev,
 				    sizeof(*ring->desc) * ring->entries,
-				    ring->desc, ring->dma);
+				    ring->buffer_desc, ring->buffer_desc_dma);
 		ring->desc = NULL;
 	}
 }
 
-static void _rtl_pci_free_rx_ring(struct rtl_pci *rtlpci)
+static void _rtl_pci_free_rx_ring(struct ieee80211_hw *hw, int rxring_idx)
 {
-	int i, rx_queue_idx;
+	struct rtl_priv *rtlpriv = rtl_priv(hw);
+	struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
+	int i;
 
-	/*rx_queue_idx 0:RX_MPDU_QUEUE */
-	/*rx_queue_idx 1:RX_CMD_QUEUE */
-	for (rx_queue_idx = 0; rx_queue_idx < RTL_PCI_MAX_RX_QUEUE;
-	     rx_queue_idx++) {
-		for (i = 0; i < rtlpci->rxringcount; i++) {
-			struct sk_buff *skb =
-			    rtlpci->rx_ring[rx_queue_idx].rx_buf[i];
-			if (!skb)
-				continue;
-
-			pci_unmap_single(rtlpci->pdev,
-					 *((dma_addr_t *) skb->cb),
-					 rtlpci->rxbuffersize,
-					 PCI_DMA_FROMDEVICE);
-			kfree_skb(skb);
-		}
+	/* free every desc in this ring */
+	for (i = 0; i < rtlpci->rxringcount; i++) {
+		struct sk_buff *skb = rtlpci->rx_ring[rxring_idx].rx_buf[i];
 
-		if (rtlpci->rx_ring[rx_queue_idx].desc) {
-			pci_free_consistent(rtlpci->pdev,
-				    sizeof(*rtlpci->rx_ring[rx_queue_idx].
-					   desc) * rtlpci->rxringcount,
-				    rtlpci->rx_ring[rx_queue_idx].desc,
-				    rtlpci->rx_ring[rx_queue_idx].dma);
-			rtlpci->rx_ring[rx_queue_idx].desc = NULL;
-		}
+		if (!skb)
+			continue;
+		pci_unmap_single(rtlpci->pdev, *((dma_addr_t *)skb->cb),
+				 rtlpci->rxbuffersize, PCI_DMA_FROMDEVICE);
+		kfree_skb(skb);
+	}
+
+	/* free dma of this ring */
+	if (rtlpriv->use_new_trx_flow) {
+		pci_free_consistent(rtlpci->pdev,
+				    sizeof(*rtlpci->rx_ring[rxring_idx].
+				    buffer_desc) * rtlpci->rxringcount,
+				    rtlpci->rx_ring[rxring_idx].buffer_desc,
+				    rtlpci->rx_ring[rxring_idx].dma);
+		rtlpci->rx_ring[rxring_idx].buffer_desc = NULL;
+	} else {
+		pci_free_consistent(rtlpci->pdev,
+				    sizeof(*rtlpci->rx_ring[rxring_idx].desc) *
+				    rtlpci->rxringcount,
+				    rtlpci->rx_ring[rxring_idx].desc,
+				    rtlpci->rx_ring[rxring_idx].dma);
+		rtlpci->rx_ring[rxring_idx].desc = NULL;
 	}
 }
 
@@ -1266,11 +1415,16 @@ static int _rtl_pci_init_trx_ring(struct ieee80211_hw *hw)
 {
 	struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
 	int ret;
-	int i;
+	int i, rxring_idx;
 
-	ret = _rtl_pci_init_rx_ring(hw);
-	if (ret)
-		return ret;
+	/* rxring_idx 0:RX_MPDU_QUEUE
+	 * rxring_idx 1:RX_CMD_QUEUE
+	 */
+	for (rxring_idx = 0; rxring_idx < RTL_PCI_MAX_RX_QUEUE; rxring_idx++) {
+		ret = _rtl_pci_init_rx_ring(hw, rxring_idx);
+		if (ret)
+			return ret;
+	}
 
 	for (i = 0; i < RTL_PCI_MAX_TX_QUEUE_COUNT; i++) {
 		ret = _rtl_pci_init_tx_ring(hw, i,
@@ -1282,10 +1436,12 @@ static int _rtl_pci_init_trx_ring(struct ieee80211_hw *hw)
 	return 0;
 
 err_free_rings:
-	_rtl_pci_free_rx_ring(rtlpci);
+	for (rxring_idx = 0; rxring_idx < RTL_PCI_MAX_RX_QUEUE; rxring_idx++)
+		_rtl_pci_free_rx_ring(hw, rxring_idx);
 
 	for (i = 0; i < RTL_PCI_MAX_TX_QUEUE_COUNT; i++)
-		if (rtlpci->tx_ring[i].desc)
+		if (rtlpci->tx_ring[i].desc ||
+		    rtlpci->tx_ring[i].buffer_desc)
 			_rtl_pci_free_tx_ring(hw, i);
 
 	return 1;
@@ -1293,11 +1449,11 @@ err_free_rings:
 
 static int _rtl_pci_deinit_trx_ring(struct ieee80211_hw *hw)
 {
-	struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
-	u32 i;
+	u32 i, rxring_idx;
 
 	/*free rx rings */
-	_rtl_pci_free_rx_ring(rtlpci);
+	for (rxring_idx = 0; rxring_idx < RTL_PCI_MAX_RX_QUEUE; rxring_idx++)
+		_rtl_pci_free_rx_ring(hw, rxring_idx);
 
 	/*free tx rings */
 	for (i = 0; i < RTL_PCI_MAX_TX_QUEUE_COUNT; i++)
@@ -1310,48 +1466,76 @@ int rtl_pci_reset_trx_ring(struct ieee80211_hw *hw)
 {
 	struct rtl_priv *rtlpriv = rtl_priv(hw);
 	struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
-	int i, rx_queue_idx;
+	int i, rxring_idx;
 	unsigned long flags;
 	u8 tmp_one = 1;
-
-	/*rx_queue_idx 0:RX_MPDU_QUEUE */
-	/*rx_queue_idx 1:RX_CMD_QUEUE */
-	for (rx_queue_idx = 0; rx_queue_idx < RTL_PCI_MAX_RX_QUEUE;
-	     rx_queue_idx++) {
-		/*
-		 *force the rx_ring[RX_MPDU_QUEUE/
-		 *RX_CMD_QUEUE].idx to the first one
-		 */
-		if (rtlpci->rx_ring[rx_queue_idx].desc) {
+	u32 bufferaddress;
+	/* rxring_idx 0:RX_MPDU_QUEUE */
+	/* rxring_idx 1:RX_CMD_QUEUE */
+	for (rxring_idx = 0; rxring_idx < RTL_PCI_MAX_RX_QUEUE; rxring_idx++) {
+		/* force the rx_ring[RX_MPDU_QUEUE/
+		 * RX_CMD_QUEUE].idx to the first one
+		 *new trx flow, do nothing
+		*/
+		if (!rtlpriv->use_new_trx_flow &&
+		    rtlpci->rx_ring[rxring_idx].desc) {
 			struct rtl_rx_desc *entry = NULL;
 
+			rtlpci->rx_ring[rxring_idx].idx = 0;
 			for (i = 0; i < rtlpci->rxringcount; i++) {
-				entry = &rtlpci->rx_ring[rx_queue_idx].desc[i];
-				rtlpriv->cfg->ops->set_desc(hw, (u8 *)entry,
-							    false,
-							    HW_DESC_RXOWN,
-							    &tmp_one);
+				entry = &rtlpci->rx_ring[rxring_idx].desc[i];
+				bufferaddress =
+				  rtlpriv->cfg->ops->get_desc((u8 *)entry,
+				  false , HW_DESC_RXBUFF_ADDR);
+				memset((u8 *)entry , 0 ,
+				       sizeof(*rtlpci->rx_ring
+				       [rxring_idx].desc));/*clear one entry*/
+				if (rtlpriv->use_new_trx_flow) {
+					rtlpriv->cfg->ops->set_desc(hw,
+					    (u8 *)entry, false,
+					    HW_DESC_RX_PREPARE,
+					    (u8 *)&bufferaddress);
+				} else {
+					rtlpriv->cfg->ops->set_desc(hw,
+					    (u8 *)entry, false,
+					    HW_DESC_RXBUFF_ADDR,
+					    (u8 *)&bufferaddress);
+					rtlpriv->cfg->ops->set_desc(hw,
+					    (u8 *)entry, false,
+					    HW_DESC_RXPKT_LEN,
+					    (u8 *)&rtlpci->rxbuffersize);
+					rtlpriv->cfg->ops->set_desc(hw,
+					    (u8 *)entry, false,
+					    HW_DESC_RXOWN,
+					    (u8 *)&tmp_one);
+				}
 			}
-			rtlpci->rx_ring[rx_queue_idx].idx = 0;
+			rtlpriv->cfg->ops->set_desc(hw, (u8 *)entry, false,
+					    HW_DESC_RXERO, (u8 *)&tmp_one);
 		}
+		rtlpci->rx_ring[rxring_idx].idx = 0;
 	}
 
 	/*
 	 *after reset, release previous pending packet,
 	 *and force the  tx idx to the first one
 	 */
+	spin_lock_irqsave(&rtlpriv->locks.irq_th_lock, flags);
 	for (i = 0; i < RTL_PCI_MAX_TX_QUEUE_COUNT; i++) {
-		if (rtlpci->tx_ring[i].desc) {
+		if (rtlpci->tx_ring[i].desc ||
+		    rtlpci->tx_ring[i].buffer_desc) {
 			struct rtl8192_tx_ring *ring = &rtlpci->tx_ring[i];
 
 			while (skb_queue_len(&ring->queue)) {
-				struct rtl_tx_desc *entry;
-				struct sk_buff *skb;
+				u8 *entry;
+				struct sk_buff *skb =
+					__skb_dequeue(&ring->queue);
+				if (rtlpriv->use_new_trx_flow)
+					entry = (u8 *)(&ring->buffer_desc
+								[ring->idx]);
+				else
+					entry = (u8 *)(&ring->desc[ring->idx]);
 
-				spin_lock_irqsave(&rtlpriv->locks.irq_th_lock,
-						  flags);
-				entry = &ring->desc[ring->idx];
-				skb = __skb_dequeue(&ring->queue);
 				pci_unmap_single(rtlpci->pdev,
 						 rtlpriv->cfg->ops->
 							 get_desc((u8 *)
@@ -1360,13 +1544,13 @@ int rtl_pci_reset_trx_ring(struct ieee80211_hw *hw)
 							 HW_DESC_TXBUFF_ADDR),
 						 skb->len, PCI_DMA_TODEVICE);
 				ring->idx = (ring->idx + 1) % ring->entries;
-				spin_unlock_irqrestore(&rtlpriv->locks.irq_th_lock,
-						  flags);
 				kfree_skb(skb);
+				ring->idx = (ring->idx + 1) % ring->entries;
 			}
 			ring->idx = 0;
 		}
 	}
+	spin_unlock_irqrestore(&rtlpriv->locks.irq_th_lock, flags);
 
 	return 0;
 }
@@ -1421,7 +1605,7 @@ static int rtl_pci_tx(struct ieee80211_hw *hw,
 	struct rtl8192_tx_ring *ring;
 	struct rtl_tx_desc *pdesc;
 	struct rtl_tx_buffer_desc *ptx_bd_desc = NULL;
-	u8 idx;
+	u16 idx;
 	u8 hw_queue = _rtl_mac_to_hwqueue(hw, skb);
 	unsigned long flags;
 	struct ieee80211_hdr *hdr = rtl_get_hdr(skb);
@@ -1454,11 +1638,15 @@ static int rtl_pci_tx(struct ieee80211_hw *hw,
 
 	spin_lock_irqsave(&rtlpriv->locks.irq_th_lock, flags);
 	ring = &rtlpci->tx_ring[hw_queue];
-	if (hw_queue != BEACON_QUEUE)
-		idx = (ring->idx + skb_queue_len(&ring->queue)) %
-				ring->entries;
-	else
+	if (hw_queue != BEACON_QUEUE) {
+		if (rtlpriv->use_new_trx_flow)
+			idx = ring->cur_tx_wp;
+		else
+			idx = (ring->idx + skb_queue_len(&ring->queue)) %
+			      ring->entries;
+	} else {
 		idx = 0;
+	}
 
 	pdesc = &ring->desc[idx];
 	if (rtlpriv->use_new_trx_flow) {
@@ -1525,7 +1713,7 @@ static int rtl_pci_tx(struct ieee80211_hw *hw,
 	return 0;
 }
 
-static void rtl_pci_flush(struct ieee80211_hw *hw, bool drop)
+static void rtl_pci_flush(struct ieee80211_hw *hw, u32 queues, bool drop)
 {
 	struct rtl_priv *rtlpriv = rtl_priv(hw);
 	struct rtl_pci_priv *pcipriv = rtl_pcipriv(hw);
@@ -1540,6 +1728,11 @@ static void rtl_pci_flush(struct ieee80211_hw *hw, bool drop)
 
 	for (queue_id = RTL_PCI_MAX_TX_QUEUE_COUNT - 1; queue_id >= 0;) {
 		u32 queue_len;
+
+		if (((queues >> queue_id) & 0x1) == 0) {
+			queue_id--;
+			continue;
+		}
 		ring = &pcipriv->dev.tx_ring[queue_id];
 		queue_len = skb_queue_len(&ring->queue);
 		if (queue_len == 0 || queue_id == BEACON_QUEUE ||
@@ -1603,6 +1796,10 @@ static int rtl_pci_start(struct ieee80211_hw *hw)
 	rtl_pci_reset_trx_ring(hw);
 
 	rtlpci->driver_is_goingto_unload = false;
+	if (rtlpriv->cfg->ops->get_btc_status()) {
+		rtlpriv->btcoexist.btc_ops->btc_init_variables(rtlpriv);
+		rtlpriv->btcoexist.btc_ops->btc_init_hal_vars(rtlpriv);
+	}
 	err = rtlpriv->cfg->ops->hw_init(hw);
 	if (err) {
 		RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG,
@@ -1622,7 +1819,7 @@ static int rtl_pci_start(struct ieee80211_hw *hw)
 
 	rtlpci->up_first_time = false;
 
-	RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG, "OK\n");
+	RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG, "rtl_pci_start OK\n");
 	return 0;
 }
 
@@ -1635,6 +1832,9 @@ static void rtl_pci_stop(struct ieee80211_hw *hw)
 	unsigned long flags;
 	u8 RFInProgressTimeOut = 0;
 
+	if (rtlpriv->cfg->ops->get_btc_status())
+		rtlpriv->btcoexist.btc_ops->btc_halt_notify();
+
 	/*
 	 *should be before disable interrupt&adapter
 	 *and will do it immediately.
@@ -1753,6 +1953,22 @@ static bool _rtl_pci_find_adapter(struct pci_dev *pdev,
 		rtlhal->hw_type = HARDWARE_TYPE_RTL8188EE;
 		RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD,
 			 "Find adapter, Hardware type is 8188EE\n");
+	} else if (deviceid == RTL_PCI_8723BE_DID) {
+			rtlhal->hw_type = HARDWARE_TYPE_RTL8723BE;
+			RT_TRACE(rtlpriv, COMP_INIT , DBG_LOUD,
+				 "Find adapter, Hardware type is 8723BE\n");
+	} else if (deviceid == RTL_PCI_8192EE_DID) {
+			rtlhal->hw_type = HARDWARE_TYPE_RTL8192EE;
+			RT_TRACE(rtlpriv, COMP_INIT , DBG_LOUD,
+				 "Find adapter, Hardware type is 8192EE\n");
+	} else if (deviceid == RTL_PCI_8821AE_DID) {
+			rtlhal->hw_type = HARDWARE_TYPE_RTL8821AE;
+			RT_TRACE(rtlpriv, COMP_INIT , DBG_LOUD,
+				 "Find adapter, Hardware type is 8821AE\n");
+	} else if (deviceid == RTL_PCI_8812AE_DID) {
+			rtlhal->hw_type = HARDWARE_TYPE_RTL8812AE;
+			RT_TRACE(rtlpriv, COMP_INIT , DBG_LOUD,
+				 "Find adapter, Hardware type is 8812AE\n");
 	} else {
 		RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING,
 			 "Err: Unknown device - vid/did=%x/%x\n",
@@ -1779,11 +1995,20 @@ static bool _rtl_pci_find_adapter(struct pci_dev *pdev,
 			rtlhal->interfaceindex = 0;
 		}
 	}
+
+	/* 92ee use new trx flow */
+	if (rtlhal->hw_type == HARDWARE_TYPE_RTL8192EE)
+		rtlpriv->use_new_trx_flow = true;
+	else
+		rtlpriv->use_new_trx_flow = false;
+
 	/*find bus info */
 	pcipriv->ndis_adapter.busnumber = pdev->bus->number;
 	pcipriv->ndis_adapter.devnumber = PCI_SLOT(pdev->devfn);
 	pcipriv->ndis_adapter.funcnumber = PCI_FUNC(pdev->devfn);
 
+	/*find bridge info */
+	pcipriv->ndis_adapter.pcibridge_vendor = PCI_BRIDGE_VENDOR_UNKNOWN;
 	/* some ARM have no bridge_pdev and will crash here
 	 * so we should check if bridge_pdev is NULL
 	 */
@@ -1951,6 +2176,11 @@ int rtl_pci_probe(struct pci_dev *pdev,
 	pcipriv = (void *)rtlpriv->priv;
 	pcipriv->dev.pdev = pdev;
 	init_completion(&rtlpriv->firmware_loading_complete);
+	/*proximity init here*/
+	rtlpriv->proximity.proxim_on = false;
+
+	pcipriv = (void *)rtlpriv->priv;
+	pcipriv->dev.pdev = pdev;
 
 	/* init cfg & intf_ops */
 	rtlpriv->rtlhal.interface = INTF_PCI;
@@ -2013,9 +2243,6 @@ int rtl_pci_probe(struct pci_dev *pdev,
 	/*like read eeprom and so on */
 	rtlpriv->cfg->ops->read_eeprom_info(hw);
 
-	/*aspm */
-	rtl_pci_init_aspm(hw);
-
 	/* Init mac80211 sw */
 	err = rtl_init_core(hw);
 	if (err) {
@@ -2036,9 +2263,20 @@ int rtl_pci_probe(struct pci_dev *pdev,
 		err = -ENODEV;
 		goto fail3;
 	}
-
 	rtlpriv->cfg->ops->init_sw_leds(hw);
 
+	/*aspm */
+	rtl_pci_init_aspm(hw);
+
+	err = ieee80211_register_hw(hw);
+	if (err) {
+		RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
+			 "Can't register mac80211 hw.\n");
+		err = -ENODEV;
+		goto fail3;
+	}
+	rtlpriv->mac80211.mac80211_registered = 1;
+
 	err = sysfs_create_group(&pdev->dev.kobj, &rtl_attribute_group);
 	if (err) {
 		RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
@@ -2046,6 +2284,9 @@ int rtl_pci_probe(struct pci_dev *pdev,
 		goto fail3;
 	}
 
+	/*init rfkill */
+	rtl_init_rfkill(hw);	/* Init PCI sw */
+
 	rtlpci = rtl_pcidev(pcipriv);
 	err = rtl_pci_intr_mode_decide(hw);
 	if (err) {
@@ -2056,9 +2297,11 @@ int rtl_pci_probe(struct pci_dev *pdev,
 	}
 	rtlpci->irq_alloc = 1;
 
+	set_bit(RTL_STATUS_INTERFACE_START, &rtlpriv->status);
 	return 0;
 
 fail3:
+	pci_set_drvdata(pdev, NULL);
 	rtl_deinit_core(hw);
 
 	if (rtlpriv->io.pci_mem_start != 0)
@@ -2128,6 +2371,8 @@ void rtl_pci_disconnect(struct pci_dev *pdev)
 
 	rtl_pci_disable_aspm(hw);
 
+	pci_set_drvdata(pdev, NULL);
+
 	ieee80211_free_hw(hw);
 }
 EXPORT_SYMBOL(rtl_pci_disconnect);