670 lines
		
	
	
		
			20 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			670 lines
		
	
	
		
			20 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /******************************************************************************
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|  *
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|  * Copyright(c) 2009-2012  Realtek Corporation. All rights reserved.
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|  *
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|  * This program is free software; you can redistribute it and/or modify it
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|  * under the terms of version 2 of the GNU General Public License as
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|  * published by the Free Software Foundation.
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|  *
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|  * This program is distributed in the hope that it will be useful, but WITHOUT
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|  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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|  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
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|  * more details.
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|  *
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|  * The full GNU General Public License is included in this distribution in the
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|  * file called LICENSE.
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|  *
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|  * Contact Information:
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|  * wlanfae <wlanfae@realtek.com>
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|  * Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park,
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|  * Hsinchu 300, Taiwan.
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|  *
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|  * Larry Finger <Larry.Finger@lwfinger.net>
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|  *
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|  *****************************************************************************/
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| 
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| #include "../wifi.h"
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| #include "../usb.h"
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| #include "../ps.h"
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| #include "../base.h"
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| #include "reg.h"
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| #include "def.h"
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| #include "phy.h"
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| #include "rf.h"
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| #include "dm.h"
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| #include "mac.h"
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| #include "trx.h"
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| #include "../rtl8192c/fw_common.h"
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| 
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| static int _ConfigVerTOutEP(struct ieee80211_hw *hw)
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| {
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| 	u8 ep_cfg, txqsele;
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| 	u8 ep_nums = 0;
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| 
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| 	struct rtl_priv *rtlpriv = rtl_priv(hw);
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| 	struct rtl_usb_priv *usb_priv = rtl_usbpriv(hw);
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| 	struct rtl_usb *rtlusb = rtl_usbdev(usb_priv);
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| 
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| 	rtlusb->out_queue_sel = 0;
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| 	ep_cfg = rtl_read_byte(rtlpriv, REG_TEST_SIE_OPTIONAL);
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| 	ep_cfg = (ep_cfg & USB_TEST_EP_MASK) >> USB_TEST_EP_SHIFT;
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| 	switch (ep_cfg)	{
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| 	case 0:		/* 2 bulk OUT, 1 bulk IN */
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| 	case 3:
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| 		rtlusb->out_queue_sel  = TX_SELE_HQ | TX_SELE_LQ;
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| 		ep_nums = 2;
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| 		break;
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| 	case 1:	/* 1 bulk IN/OUT => map all endpoint to Low queue */
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| 	case 2:	/* 1 bulk IN, 1 bulk OUT => map all endpoint to High queue */
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| 		txqsele = rtl_read_byte(rtlpriv, REG_TEST_USB_TXQS);
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| 		if (txqsele & 0x0F) /* /map all endpoint to High queue */
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| 			rtlusb->out_queue_sel =  TX_SELE_HQ;
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| 		else if (txqsele&0xF0) /* map all endpoint to Low queue */
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| 			rtlusb->out_queue_sel =  TX_SELE_LQ;
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| 		ep_nums = 1;
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| 		break;
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| 	default:
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| 		break;
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| 	}
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| 	return (rtlusb->out_ep_nums == ep_nums) ? 0 : -EINVAL;
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| }
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| 
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| static int _ConfigVerNOutEP(struct ieee80211_hw *hw)
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| {
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| 	u8 ep_cfg;
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| 	u8 ep_nums = 0;
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| 
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| 	struct rtl_priv *rtlpriv = rtl_priv(hw);
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| 	struct rtl_usb_priv *usb_priv = rtl_usbpriv(hw);
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| 	struct rtl_usb *rtlusb = rtl_usbdev(usb_priv);
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| 
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| 	rtlusb->out_queue_sel = 0;
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| 	/* Normal and High queue */
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| 	ep_cfg =  rtl_read_byte(rtlpriv, (REG_NORMAL_SIE_EP + 1));
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| 	if (ep_cfg & USB_NORMAL_SIE_EP_MASK) {
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| 		rtlusb->out_queue_sel |= TX_SELE_HQ;
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| 		ep_nums++;
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| 	}
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| 	if ((ep_cfg >> USB_NORMAL_SIE_EP_SHIFT) & USB_NORMAL_SIE_EP_MASK) {
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| 		rtlusb->out_queue_sel |= TX_SELE_NQ;
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| 		ep_nums++;
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| 	}
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| 	/* Low queue */
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| 	ep_cfg =  rtl_read_byte(rtlpriv, (REG_NORMAL_SIE_EP + 2));
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| 	if (ep_cfg & USB_NORMAL_SIE_EP_MASK) {
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| 		rtlusb->out_queue_sel |= TX_SELE_LQ;
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| 		ep_nums++;
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| 	}
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| 	return (rtlusb->out_ep_nums == ep_nums) ? 0 : -EINVAL;
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| }
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| 
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| static void _TwoOutEpMapping(struct ieee80211_hw *hw, bool bIsChipB,
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| 			     bool  bwificfg, struct rtl_ep_map *ep_map)
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| {
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| 	struct rtl_priv *rtlpriv = rtl_priv(hw);
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| 
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| 	if (bwificfg) { /* for WMM */
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| 		RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG,
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| 			 "USB Chip-B & WMM Setting.....\n");
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| 		ep_map->ep_mapping[RTL_TXQ_BE]	= 2;
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| 		ep_map->ep_mapping[RTL_TXQ_BK]	= 3;
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| 		ep_map->ep_mapping[RTL_TXQ_VI]	= 3;
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| 		ep_map->ep_mapping[RTL_TXQ_VO] = 2;
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| 		ep_map->ep_mapping[RTL_TXQ_MGT] = 2;
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| 		ep_map->ep_mapping[RTL_TXQ_BCN] = 2;
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| 		ep_map->ep_mapping[RTL_TXQ_HI]	= 2;
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| 	} else { /* typical setting */
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| 		RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG,
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| 			 "USB typical Setting.....\n");
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| 		ep_map->ep_mapping[RTL_TXQ_BE]	= 3;
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| 		ep_map->ep_mapping[RTL_TXQ_BK]	= 3;
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| 		ep_map->ep_mapping[RTL_TXQ_VI]	= 2;
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| 		ep_map->ep_mapping[RTL_TXQ_VO]	= 2;
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| 		ep_map->ep_mapping[RTL_TXQ_MGT] = 2;
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| 		ep_map->ep_mapping[RTL_TXQ_BCN] = 2;
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| 		ep_map->ep_mapping[RTL_TXQ_HI]	= 2;
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| 	}
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| }
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| 
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| static void _ThreeOutEpMapping(struct ieee80211_hw *hw, bool  bwificfg,
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| 			       struct rtl_ep_map *ep_map)
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| {
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| 	struct rtl_priv *rtlpriv = rtl_priv(hw);
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| 	if (bwificfg) { /* for WMM */
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| 		RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG,
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| 			 "USB 3EP Setting for WMM.....\n");
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| 		ep_map->ep_mapping[RTL_TXQ_BE]	= 5;
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| 		ep_map->ep_mapping[RTL_TXQ_BK]	= 3;
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| 		ep_map->ep_mapping[RTL_TXQ_VI]	= 3;
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| 		ep_map->ep_mapping[RTL_TXQ_VO]	= 2;
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| 		ep_map->ep_mapping[RTL_TXQ_MGT] = 2;
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| 		ep_map->ep_mapping[RTL_TXQ_BCN] = 2;
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| 		ep_map->ep_mapping[RTL_TXQ_HI]	= 2;
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| 	} else { /* typical setting */
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| 		RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG,
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| 			 "USB 3EP Setting for typical.....\n");
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| 		ep_map->ep_mapping[RTL_TXQ_BE]	= 5;
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| 		ep_map->ep_mapping[RTL_TXQ_BK]	= 5;
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| 		ep_map->ep_mapping[RTL_TXQ_VI]	= 3;
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| 		ep_map->ep_mapping[RTL_TXQ_VO]	= 2;
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| 		ep_map->ep_mapping[RTL_TXQ_MGT] = 2;
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| 		ep_map->ep_mapping[RTL_TXQ_BCN] = 2;
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| 		ep_map->ep_mapping[RTL_TXQ_HI]	= 2;
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| 	}
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| }
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| 
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| static void _OneOutEpMapping(struct ieee80211_hw *hw, struct rtl_ep_map *ep_map)
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| {
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| 	ep_map->ep_mapping[RTL_TXQ_BE]	= 2;
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| 	ep_map->ep_mapping[RTL_TXQ_BK]	= 2;
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| 	ep_map->ep_mapping[RTL_TXQ_VI]	= 2;
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| 	ep_map->ep_mapping[RTL_TXQ_VO] = 2;
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| 	ep_map->ep_mapping[RTL_TXQ_MGT] = 2;
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| 	ep_map->ep_mapping[RTL_TXQ_BCN] = 2;
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| 	ep_map->ep_mapping[RTL_TXQ_HI]	= 2;
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| }
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| static int _out_ep_mapping(struct ieee80211_hw *hw)
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| {
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| 	int err = 0;
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| 	bool bIsChipN, bwificfg = false;
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| 	struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
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| 	struct rtl_usb_priv *usb_priv = rtl_usbpriv(hw);
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| 	struct rtl_usb *rtlusb = rtl_usbdev(usb_priv);
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| 	struct rtl_ep_map *ep_map = &(rtlusb->ep_map);
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| 
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| 	bIsChipN = IS_NORMAL_CHIP(rtlhal->version);
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| 	switch (rtlusb->out_ep_nums) {
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| 	case 2:
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| 		_TwoOutEpMapping(hw, bIsChipN, bwificfg, ep_map);
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| 		break;
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| 	case 3:
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| 		/* Test chip doesn't support three out EPs. */
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| 		if (!bIsChipN) {
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| 			err  =  -EINVAL;
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| 			goto err_out;
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| 		}
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| 		_ThreeOutEpMapping(hw, bIsChipN, ep_map);
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| 		break;
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| 	case 1:
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| 		_OneOutEpMapping(hw, ep_map);
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| 		break;
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| 	default:
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| 		err  =  -EINVAL;
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| 		break;
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| 	}
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| err_out:
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| 	return err;
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| 
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| }
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| /* endpoint mapping */
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| int  rtl8192cu_endpoint_mapping(struct ieee80211_hw *hw)
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| {
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| 	struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
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| 	int error = 0;
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| 	if (likely(IS_NORMAL_CHIP(rtlhal->version)))
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| 		error = _ConfigVerNOutEP(hw);
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| 	else
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| 		error = _ConfigVerTOutEP(hw);
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| 	if (error)
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| 		goto err_out;
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| 	error = _out_ep_mapping(hw);
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| 	if (error)
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| 		goto err_out;
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| err_out:
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| 	return error;
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| }
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| 
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| u16 rtl8192cu_mq_to_hwq(__le16 fc, u16 mac80211_queue_index)
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| {
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| 	u16 hw_queue_index;
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| 
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| 	if (unlikely(ieee80211_is_beacon(fc))) {
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| 		hw_queue_index = RTL_TXQ_BCN;
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| 		goto out;
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| 	}
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| 	if (ieee80211_is_mgmt(fc)) {
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| 		hw_queue_index = RTL_TXQ_MGT;
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| 		goto out;
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| 	}
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| 	switch (mac80211_queue_index) {
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| 	case 0:
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| 		hw_queue_index = RTL_TXQ_VO;
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| 		break;
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| 	case 1:
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| 		hw_queue_index = RTL_TXQ_VI;
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| 		break;
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| 	case 2:
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| 		hw_queue_index = RTL_TXQ_BE;
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| 		break;
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| 	case 3:
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| 		hw_queue_index = RTL_TXQ_BK;
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| 		break;
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| 	default:
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| 		hw_queue_index = RTL_TXQ_BE;
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| 		WARN_ONCE(true, "rtl8192cu: QSLT_BE queue, skb_queue:%d\n",
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| 			  mac80211_queue_index);
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| 		break;
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| 	}
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| out:
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| 	return hw_queue_index;
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| }
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| 
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| static enum rtl_desc_qsel _rtl8192cu_mq_to_descq(struct ieee80211_hw *hw,
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| 					 __le16 fc, u16 mac80211_queue_index)
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| {
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| 	enum rtl_desc_qsel qsel;
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| 	struct rtl_priv *rtlpriv = rtl_priv(hw);
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| 
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| 	if (unlikely(ieee80211_is_beacon(fc))) {
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| 		qsel = QSLT_BEACON;
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| 		goto out;
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| 	}
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| 	if (ieee80211_is_mgmt(fc)) {
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| 		qsel = QSLT_MGNT;
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| 		goto out;
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| 	}
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| 	switch (mac80211_queue_index) {
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| 	case 0:	/* VO */
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| 		qsel = QSLT_VO;
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| 		RT_TRACE(rtlpriv, COMP_USB, DBG_DMESG,
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| 			 "VO queue, set qsel = 0x%x\n", QSLT_VO);
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| 		break;
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| 	case 1:	/* VI */
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| 		qsel = QSLT_VI;
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| 		RT_TRACE(rtlpriv, COMP_USB, DBG_DMESG,
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| 			 "VI queue, set qsel = 0x%x\n", QSLT_VI);
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| 		break;
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| 	case 3:	/* BK */
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| 		qsel = QSLT_BK;
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| 		RT_TRACE(rtlpriv, COMP_USB, DBG_DMESG,
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| 			 "BK queue, set qsel = 0x%x\n", QSLT_BK);
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| 		break;
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| 	case 2:	/* BE */
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| 	default:
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| 		qsel = QSLT_BE;
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| 		RT_TRACE(rtlpriv, COMP_USB, DBG_DMESG,
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| 			 "BE queue, set qsel = 0x%x\n", QSLT_BE);
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| 		break;
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| 	}
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| out:
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| 	return qsel;
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| }
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| 
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| /* =============================================================== */
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| 
 | |
| /*----------------------------------------------------------------------
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|  *
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|  *	Rx handler
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|  *
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|  *---------------------------------------------------------------------- */
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| bool rtl92cu_rx_query_desc(struct ieee80211_hw *hw,
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| 			   struct rtl_stats *stats,
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| 			   struct ieee80211_rx_status *rx_status,
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| 			   u8 *pdesc, struct sk_buff *skb)
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| {
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| 	struct rx_fwinfo_92c *p_drvinfo;
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| 	struct rx_desc_92c *p_desc = (struct rx_desc_92c *)pdesc;
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| 	u32 phystatus = GET_RX_DESC_PHY_STATUS(pdesc);
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| 
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| 	stats->length = (u16) GET_RX_DESC_PKT_LEN(pdesc);
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| 	stats->rx_drvinfo_size = (u8)GET_RX_DESC_DRVINFO_SIZE(pdesc) *
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| 				 RX_DRV_INFO_SIZE_UNIT;
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| 	stats->rx_bufshift = (u8) (GET_RX_DESC_SHIFT(pdesc) & 0x03);
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| 	stats->icv = (u16) GET_RX_DESC_ICV(pdesc);
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| 	stats->crc = (u16) GET_RX_DESC_CRC32(pdesc);
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| 	stats->hwerror = (stats->crc | stats->icv);
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| 	stats->decrypted = !GET_RX_DESC_SWDEC(pdesc);
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| 	stats->rate = (u8) GET_RX_DESC_RX_MCS(pdesc);
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| 	stats->shortpreamble = (u16) GET_RX_DESC_SPLCP(pdesc);
 | |
| 	stats->isampdu = (bool) (GET_RX_DESC_PAGGR(pdesc) == 1);
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| 	stats->isfirst_ampdu = (bool)((GET_RX_DESC_PAGGR(pdesc) == 1)
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| 				   && (GET_RX_DESC_FAGGR(pdesc) == 1));
 | |
| 	stats->timestamp_low = GET_RX_DESC_TSFL(pdesc);
 | |
| 	stats->rx_is40Mhzpacket = (bool) GET_RX_DESC_BW(pdesc);
 | |
| 	stats->is_ht = (bool)GET_RX_DESC_RX_HT(pdesc);
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| 	rx_status->freq = hw->conf.chandef.chan->center_freq;
 | |
| 	rx_status->band = hw->conf.chandef.chan->band;
 | |
| 	if (GET_RX_DESC_CRC32(pdesc))
 | |
| 		rx_status->flag |= RX_FLAG_FAILED_FCS_CRC;
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| 	if (!GET_RX_DESC_SWDEC(pdesc))
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| 		rx_status->flag |= RX_FLAG_DECRYPTED;
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| 	if (GET_RX_DESC_BW(pdesc))
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| 		rx_status->bw = RATE_INFO_BW_40;
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| 	if (GET_RX_DESC_RX_HT(pdesc))
 | |
| 		rx_status->encoding = RX_ENC_HT;
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| 	rx_status->flag |= RX_FLAG_MACTIME_START;
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| 	if (stats->decrypted)
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| 		rx_status->flag |= RX_FLAG_DECRYPTED;
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| 	rx_status->rate_idx = rtlwifi_rate_mapping(hw, stats->is_ht,
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| 						   false, stats->rate);
 | |
| 	rx_status->mactime = GET_RX_DESC_TSFL(pdesc);
 | |
| 	if (phystatus) {
 | |
| 		p_drvinfo = (struct rx_fwinfo_92c *)(skb->data +
 | |
| 						     stats->rx_bufshift);
 | |
| 		rtl92c_translate_rx_signal_stuff(hw, skb, stats, p_desc,
 | |
| 						 p_drvinfo);
 | |
| 	}
 | |
| 	/*rx_status->qual = stats->signal; */
 | |
| 	rx_status->signal = stats->recvsignalpower + 10;
 | |
| 	return true;
 | |
| }
 | |
| 
 | |
| #define RTL_RX_DRV_INFO_UNIT		8
 | |
| 
 | |
| static void _rtl_rx_process(struct ieee80211_hw *hw, struct sk_buff *skb)
 | |
| {
 | |
| 	struct ieee80211_rx_status *rx_status =
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| 		 (struct ieee80211_rx_status *)IEEE80211_SKB_RXCB(skb);
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| 	u32 skb_len, pkt_len, drvinfo_len;
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| 	struct rtl_priv *rtlpriv = rtl_priv(hw);
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| 	u8 *rxdesc;
 | |
| 	struct rtl_stats stats = {
 | |
| 		.signal = 0,
 | |
| 		.rate = 0,
 | |
| 	};
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| 	struct rx_fwinfo_92c *p_drvinfo;
 | |
| 	bool bv;
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| 	__le16 fc;
 | |
| 	struct ieee80211_hdr *hdr;
 | |
| 
 | |
| 	memset(rx_status, 0, sizeof(*rx_status));
 | |
| 	rxdesc	= skb->data;
 | |
| 	skb_len	= skb->len;
 | |
| 	drvinfo_len = (GET_RX_DESC_DRVINFO_SIZE(rxdesc) * RTL_RX_DRV_INFO_UNIT);
 | |
| 	pkt_len		= GET_RX_DESC_PKT_LEN(rxdesc);
 | |
| 	/* TODO: Error recovery. drop this skb or something. */
 | |
| 	WARN_ON(skb_len < (pkt_len + RTL_RX_DESC_SIZE + drvinfo_len));
 | |
| 	stats.length = (u16) GET_RX_DESC_PKT_LEN(rxdesc);
 | |
| 	stats.rx_drvinfo_size = (u8)GET_RX_DESC_DRVINFO_SIZE(rxdesc) *
 | |
| 				RX_DRV_INFO_SIZE_UNIT;
 | |
| 	stats.rx_bufshift = (u8) (GET_RX_DESC_SHIFT(rxdesc) & 0x03);
 | |
| 	stats.icv = (u16) GET_RX_DESC_ICV(rxdesc);
 | |
| 	stats.crc = (u16) GET_RX_DESC_CRC32(rxdesc);
 | |
| 	stats.hwerror = (stats.crc | stats.icv);
 | |
| 	stats.decrypted = !GET_RX_DESC_SWDEC(rxdesc);
 | |
| 	stats.rate = (u8) GET_RX_DESC_RX_MCS(rxdesc);
 | |
| 	stats.shortpreamble = (u16) GET_RX_DESC_SPLCP(rxdesc);
 | |
| 	stats.isampdu = (bool) ((GET_RX_DESC_PAGGR(rxdesc) == 1)
 | |
| 				   && (GET_RX_DESC_FAGGR(rxdesc) == 1));
 | |
| 	stats.timestamp_low = GET_RX_DESC_TSFL(rxdesc);
 | |
| 	stats.rx_is40Mhzpacket = (bool) GET_RX_DESC_BW(rxdesc);
 | |
| 	stats.is_ht = (bool)GET_RX_DESC_RX_HT(rxdesc);
 | |
| 	/* TODO: is center_freq changed when doing scan? */
 | |
| 	/* TODO: Shall we add protection or just skip those two step? */
 | |
| 	rx_status->freq = hw->conf.chandef.chan->center_freq;
 | |
| 	rx_status->band = hw->conf.chandef.chan->band;
 | |
| 	if (GET_RX_DESC_CRC32(rxdesc))
 | |
| 		rx_status->flag |= RX_FLAG_FAILED_FCS_CRC;
 | |
| 	if (!GET_RX_DESC_SWDEC(rxdesc))
 | |
| 		rx_status->flag |= RX_FLAG_DECRYPTED;
 | |
| 	if (GET_RX_DESC_BW(rxdesc))
 | |
| 		rx_status->bw = RATE_INFO_BW_40;
 | |
| 	if (GET_RX_DESC_RX_HT(rxdesc))
 | |
| 		rx_status->encoding = RX_ENC_HT;
 | |
| 	/* Data rate */
 | |
| 	rx_status->rate_idx = rtlwifi_rate_mapping(hw, stats.is_ht,
 | |
| 						   false, stats.rate);
 | |
| 	/*  There is a phy status after this rx descriptor. */
 | |
| 	if (GET_RX_DESC_PHY_STATUS(rxdesc)) {
 | |
| 		p_drvinfo = (struct rx_fwinfo_92c *)(rxdesc + RTL_RX_DESC_SIZE);
 | |
| 		rtl92c_translate_rx_signal_stuff(hw, skb, &stats,
 | |
| 				 (struct rx_desc_92c *)rxdesc, p_drvinfo);
 | |
| 	}
 | |
| 	skb_pull(skb, (drvinfo_len + RTL_RX_DESC_SIZE));
 | |
| 	hdr = (struct ieee80211_hdr *)(skb->data);
 | |
| 	fc = hdr->frame_control;
 | |
| 	bv = ieee80211_is_probe_resp(fc);
 | |
| 	if (bv)
 | |
| 		RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG,
 | |
| 			 "Got probe response frame\n");
 | |
| 	if (ieee80211_is_beacon(fc))
 | |
| 		RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG, "Got beacon frame\n");
 | |
| 	if (ieee80211_is_data(fc))
 | |
| 		RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG, "Got data frame\n");
 | |
| 	RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG,
 | |
| 		 "Fram: fc = 0x%X addr1 = 0x%02X:0x%02X:0x%02X:0x%02X:0x%02X:0x%02X\n",
 | |
| 		 fc,
 | |
| 		 (u32)hdr->addr1[0], (u32)hdr->addr1[1],
 | |
| 		 (u32)hdr->addr1[2], (u32)hdr->addr1[3],
 | |
| 		 (u32)hdr->addr1[4], (u32)hdr->addr1[5]);
 | |
| 	ieee80211_rx(hw, skb);
 | |
| }
 | |
| 
 | |
| void  rtl8192cu_rx_hdl(struct ieee80211_hw *hw, struct sk_buff * skb)
 | |
| {
 | |
| 	_rtl_rx_process(hw, skb);
 | |
| }
 | |
| 
 | |
| /*----------------------------------------------------------------------
 | |
|  *
 | |
|  *	Tx handler
 | |
|  *
 | |
|  *---------------------------------------------------------------------- */
 | |
| void rtl8192c_tx_cleanup(struct ieee80211_hw *hw, struct sk_buff  *skb)
 | |
| {
 | |
| }
 | |
| 
 | |
| int rtl8192c_tx_post_hdl(struct ieee80211_hw *hw, struct urb *urb,
 | |
| 			 struct sk_buff *skb)
 | |
| {
 | |
| 	return 0;
 | |
| }
 | |
| 
 | |
| struct sk_buff *rtl8192c_tx_aggregate_hdl(struct ieee80211_hw *hw,
 | |
| 					   struct sk_buff_head *list)
 | |
| {
 | |
| 	return skb_dequeue(list);
 | |
| }
 | |
| 
 | |
| /*======================================== trx ===============================*/
 | |
| 
 | |
| static void _rtl_fill_usb_tx_desc(u8 *txdesc)
 | |
| {
 | |
| 	SET_TX_DESC_OWN(txdesc, 1);
 | |
| 	SET_TX_DESC_LAST_SEG(txdesc, 1);
 | |
| 	SET_TX_DESC_FIRST_SEG(txdesc, 1);
 | |
| }
 | |
| /**
 | |
|  *	For HW recovery information
 | |
|  */
 | |
| static void _rtl_tx_desc_checksum(u8 *txdesc)
 | |
| {
 | |
| 	__le16 *ptr = (__le16 *)txdesc;
 | |
| 	u16	checksum = 0;
 | |
| 	u32 index;
 | |
| 
 | |
| 	/* Clear first */
 | |
| 	SET_TX_DESC_TX_DESC_CHECKSUM(txdesc, 0);
 | |
| 	for (index = 0; index < 16; index++)
 | |
| 		checksum = checksum ^ le16_to_cpu(*(ptr + index));
 | |
| 	SET_TX_DESC_TX_DESC_CHECKSUM(txdesc, checksum);
 | |
| }
 | |
| 
 | |
| void rtl92cu_tx_fill_desc(struct ieee80211_hw *hw,
 | |
| 			  struct ieee80211_hdr *hdr, u8 *pdesc_tx,
 | |
| 			  u8 *pbd_desc_tx, struct ieee80211_tx_info *info,
 | |
| 			  struct ieee80211_sta *sta,
 | |
| 			  struct sk_buff *skb,
 | |
| 			  u8 queue_index,
 | |
| 			  struct rtl_tcb_desc *tcb_desc)
 | |
| {
 | |
| 	struct rtl_priv *rtlpriv = rtl_priv(hw);
 | |
| 	struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
 | |
| 	struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
 | |
| 	bool defaultadapter = true;
 | |
| 	u8 *qc = ieee80211_get_qos_ctl(hdr);
 | |
| 	u8 tid = qc[0] & IEEE80211_QOS_CTL_TID_MASK;
 | |
| 	u16 seq_number;
 | |
| 	__le16 fc = hdr->frame_control;
 | |
| 	u8 rate_flag = info->control.rates[0].flags;
 | |
| 	u16 pktlen = skb->len;
 | |
| 	enum rtl_desc_qsel fw_qsel = _rtl8192cu_mq_to_descq(hw, fc,
 | |
| 						skb_get_queue_mapping(skb));
 | |
| 	u8 *txdesc;
 | |
| 
 | |
| 	seq_number = (le16_to_cpu(hdr->seq_ctrl) & IEEE80211_SCTL_SEQ) >> 4;
 | |
| 	rtl_get_tcb_desc(hw, info, sta, skb, tcb_desc);
 | |
| 	txdesc = skb_push(skb, RTL_TX_HEADER_SIZE);
 | |
| 	memset(txdesc, 0, RTL_TX_HEADER_SIZE);
 | |
| 	SET_TX_DESC_PKT_SIZE(txdesc, pktlen);
 | |
| 	SET_TX_DESC_LINIP(txdesc, 0);
 | |
| 	SET_TX_DESC_PKT_OFFSET(txdesc, RTL_DUMMY_OFFSET);
 | |
| 	SET_TX_DESC_OFFSET(txdesc, RTL_TX_HEADER_SIZE);
 | |
| 	SET_TX_DESC_TX_RATE(txdesc, tcb_desc->hw_rate);
 | |
| 	if (tcb_desc->use_shortgi || tcb_desc->use_shortpreamble)
 | |
| 		SET_TX_DESC_DATA_SHORTGI(txdesc, 1);
 | |
| 	if (mac->tids[tid].agg.agg_state == RTL_AGG_ON &&
 | |
| 		    info->flags & IEEE80211_TX_CTL_AMPDU) {
 | |
| 		SET_TX_DESC_AGG_ENABLE(txdesc, 1);
 | |
| 		SET_TX_DESC_MAX_AGG_NUM(txdesc, 0x14);
 | |
| 	} else {
 | |
| 		SET_TX_DESC_AGG_BREAK(txdesc, 1);
 | |
| 	}
 | |
| 	SET_TX_DESC_SEQ(txdesc, seq_number);
 | |
| 	SET_TX_DESC_RTS_ENABLE(txdesc, ((tcb_desc->rts_enable &&
 | |
| 			       !tcb_desc->cts_enable) ? 1 : 0));
 | |
| 	SET_TX_DESC_HW_RTS_ENABLE(txdesc, ((tcb_desc->rts_enable ||
 | |
| 				  tcb_desc->cts_enable) ? 1 : 0));
 | |
| 	SET_TX_DESC_CTS2SELF(txdesc, ((tcb_desc->cts_enable) ? 1 : 0));
 | |
| 	SET_TX_DESC_RTS_STBC(txdesc, ((tcb_desc->rts_stbc) ? 1 : 0));
 | |
| 	SET_TX_DESC_RTS_RATE(txdesc, tcb_desc->rts_rate);
 | |
| 	SET_TX_DESC_RTS_BW(txdesc, 0);
 | |
| 	SET_TX_DESC_RTS_SC(txdesc, tcb_desc->rts_sc);
 | |
| 	SET_TX_DESC_RTS_SHORT(txdesc,
 | |
| 			      ((tcb_desc->rts_rate <= DESC_RATE54M) ?
 | |
| 			       (tcb_desc->rts_use_shortpreamble ? 1 : 0)
 | |
| 			       : (tcb_desc->rts_use_shortgi ? 1 : 0)));
 | |
| 	if (mac->bw_40) {
 | |
| 		if (rate_flag & IEEE80211_TX_RC_DUP_DATA) {
 | |
| 			SET_TX_DESC_DATA_BW(txdesc, 1);
 | |
| 			SET_TX_DESC_DATA_SC(txdesc, 3);
 | |
| 		} else if(rate_flag & IEEE80211_TX_RC_40_MHZ_WIDTH){
 | |
| 			SET_TX_DESC_DATA_BW(txdesc, 1);
 | |
| 			SET_TX_DESC_DATA_SC(txdesc, mac->cur_40_prime_sc);
 | |
| 		} else {
 | |
| 			SET_TX_DESC_DATA_BW(txdesc, 0);
 | |
| 			SET_TX_DESC_DATA_SC(txdesc, 0);
 | |
| 		}
 | |
| 	} else {
 | |
| 		SET_TX_DESC_DATA_BW(txdesc, 0);
 | |
| 		SET_TX_DESC_DATA_SC(txdesc, 0);
 | |
| 	}
 | |
| 	rcu_read_lock();
 | |
| 	sta = ieee80211_find_sta(mac->vif, mac->bssid);
 | |
| 	if (sta) {
 | |
| 		u8 ampdu_density = sta->ht_cap.ampdu_density;
 | |
| 		SET_TX_DESC_AMPDU_DENSITY(txdesc, ampdu_density);
 | |
| 	}
 | |
| 	rcu_read_unlock();
 | |
| 	if (info->control.hw_key) {
 | |
| 		struct ieee80211_key_conf *keyconf = info->control.hw_key;
 | |
| 		switch (keyconf->cipher) {
 | |
| 		case WLAN_CIPHER_SUITE_WEP40:
 | |
| 		case WLAN_CIPHER_SUITE_WEP104:
 | |
| 		case WLAN_CIPHER_SUITE_TKIP:
 | |
| 			SET_TX_DESC_SEC_TYPE(txdesc, 0x1);
 | |
| 			break;
 | |
| 		case WLAN_CIPHER_SUITE_CCMP:
 | |
| 			SET_TX_DESC_SEC_TYPE(txdesc, 0x3);
 | |
| 			break;
 | |
| 		default:
 | |
| 			SET_TX_DESC_SEC_TYPE(txdesc, 0x0);
 | |
| 			break;
 | |
| 		}
 | |
| 	}
 | |
| 	SET_TX_DESC_PKT_ID(txdesc, 0);
 | |
| 	SET_TX_DESC_QUEUE_SEL(txdesc, fw_qsel);
 | |
| 	SET_TX_DESC_DATA_RATE_FB_LIMIT(txdesc, 0x1F);
 | |
| 	SET_TX_DESC_RTS_RATE_FB_LIMIT(txdesc, 0xF);
 | |
| 	SET_TX_DESC_DISABLE_FB(txdesc, 0);
 | |
| 	SET_TX_DESC_USE_RATE(txdesc, tcb_desc->use_driver_rate ? 1 : 0);
 | |
| 	if (ieee80211_is_data_qos(fc)) {
 | |
| 		if (mac->rdg_en) {
 | |
| 			RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE,
 | |
| 				 "Enable RDG function\n");
 | |
| 			SET_TX_DESC_RDG_ENABLE(txdesc, 1);
 | |
| 			SET_TX_DESC_HTC(txdesc, 1);
 | |
| 		}
 | |
| 	}
 | |
| 	if (rtlpriv->dm.useramask) {
 | |
| 		SET_TX_DESC_RATE_ID(txdesc, tcb_desc->ratr_index);
 | |
| 		SET_TX_DESC_MACID(txdesc, tcb_desc->mac_id);
 | |
| 	} else {
 | |
| 		SET_TX_DESC_RATE_ID(txdesc, 0xC + tcb_desc->ratr_index);
 | |
| 		SET_TX_DESC_MACID(txdesc, tcb_desc->ratr_index);
 | |
| 	}
 | |
| 	if ((!ieee80211_is_data_qos(fc)) && ppsc->leisure_ps &&
 | |
| 	      ppsc->fwctrl_lps) {
 | |
| 		SET_TX_DESC_HWSEQ_EN(txdesc, 1);
 | |
| 		SET_TX_DESC_PKT_ID(txdesc, 8);
 | |
| 		if (!defaultadapter)
 | |
| 			SET_TX_DESC_QOS(txdesc, 1);
 | |
| 	}
 | |
| 	if (ieee80211_has_morefrags(fc))
 | |
| 		SET_TX_DESC_MORE_FRAG(txdesc, 1);
 | |
| 	if (is_multicast_ether_addr(ieee80211_get_DA(hdr)) ||
 | |
| 	    is_broadcast_ether_addr(ieee80211_get_DA(hdr)))
 | |
| 		SET_TX_DESC_BMC(txdesc, 1);
 | |
| 	_rtl_fill_usb_tx_desc(txdesc);
 | |
| 	_rtl_tx_desc_checksum(txdesc);
 | |
| 	RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE, "==>\n");
 | |
| }
 | |
| 
 | |
| void rtl92cu_fill_fake_txdesc(struct ieee80211_hw *hw, u8 * pDesc,
 | |
| 			      u32 buffer_len, bool bIsPsPoll)
 | |
| {
 | |
| 	/* Clear all status */
 | |
| 	memset(pDesc, 0, RTL_TX_HEADER_SIZE);
 | |
| 	SET_TX_DESC_FIRST_SEG(pDesc, 1); /* bFirstSeg; */
 | |
| 	SET_TX_DESC_LAST_SEG(pDesc, 1); /* bLastSeg; */
 | |
| 	SET_TX_DESC_OFFSET(pDesc, RTL_TX_HEADER_SIZE); /* Offset = 32 */
 | |
| 	SET_TX_DESC_PKT_SIZE(pDesc, buffer_len); /* Buffer size + command hdr */
 | |
| 	SET_TX_DESC_QUEUE_SEL(pDesc, QSLT_MGNT); /* Fixed queue of Mgnt queue */
 | |
| 	/* Set NAVUSEHDR to prevent Ps-poll AId filed to be changed to error
 | |
| 	 * vlaue by Hw. */
 | |
| 	if (bIsPsPoll) {
 | |
| 		SET_TX_DESC_NAV_USE_HDR(pDesc, 1);
 | |
| 	} else {
 | |
| 		SET_TX_DESC_HWSEQ_EN(pDesc, 1); /* Hw set sequence number */
 | |
| 		SET_TX_DESC_PKT_ID(pDesc, 0x100); /* set bit3 to 1. */
 | |
| 	}
 | |
| 	SET_TX_DESC_USE_RATE(pDesc, 1); /* use data rate which is set by Sw */
 | |
| 	SET_TX_DESC_OWN(pDesc, 1);
 | |
| 	SET_TX_DESC_TX_RATE(pDesc, DESC_RATE1M);
 | |
| 	_rtl_tx_desc_checksum(pDesc);
 | |
| }
 | |
| 
 | |
| void rtl92cu_tx_fill_cmddesc(struct ieee80211_hw *hw,
 | |
| 			     u8 *pdesc, bool firstseg,
 | |
| 			     bool lastseg, struct sk_buff *skb)
 | |
| {
 | |
| 	struct rtl_priv *rtlpriv = rtl_priv(hw);
 | |
| 	u8 fw_queue = QSLT_BEACON;
 | |
| 	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)(skb->data);
 | |
| 	__le16 fc = hdr->frame_control;
 | |
| 
 | |
| 	memset((void *)pdesc, 0, RTL_TX_HEADER_SIZE);
 | |
| 	if (firstseg)
 | |
| 		SET_TX_DESC_OFFSET(pdesc, RTL_TX_HEADER_SIZE);
 | |
| 	SET_TX_DESC_TX_RATE(pdesc, DESC_RATE1M);
 | |
| 	SET_TX_DESC_SEQ(pdesc, 0);
 | |
| 	SET_TX_DESC_LINIP(pdesc, 0);
 | |
| 	SET_TX_DESC_QUEUE_SEL(pdesc, fw_queue);
 | |
| 	SET_TX_DESC_FIRST_SEG(pdesc, 1);
 | |
| 	SET_TX_DESC_LAST_SEG(pdesc, 1);
 | |
| 	SET_TX_DESC_RATE_ID(pdesc, 7);
 | |
| 	SET_TX_DESC_MACID(pdesc, 0);
 | |
| 	SET_TX_DESC_OWN(pdesc, 1);
 | |
| 	SET_TX_DESC_PKT_SIZE(pdesc, (u16)skb->len);
 | |
| 	SET_TX_DESC_FIRST_SEG(pdesc, 1);
 | |
| 	SET_TX_DESC_LAST_SEG(pdesc, 1);
 | |
| 	SET_TX_DESC_OFFSET(pdesc, 0x20);
 | |
| 	SET_TX_DESC_USE_RATE(pdesc, 1);
 | |
| 	if (!ieee80211_is_data_qos(fc)) {
 | |
| 		SET_TX_DESC_HWSEQ_EN(pdesc, 1);
 | |
| 		SET_TX_DESC_PKT_ID(pdesc, 8);
 | |
| 	}
 | |
| 	RT_PRINT_DATA(rtlpriv, COMP_CMD, DBG_LOUD, "H2C Tx Cmd Content",
 | |
| 		      pdesc, RTL_TX_DESC_SIZE);
 | |
| }
 | 
