Staging: add Realtek 8192 PCI wireless driver

This wireless driver should work for the Realtek 8192 PCI devices.

It comes directly from Realtek and has been tested to work on at least
one laptop in the wild.

Cc: Anthony Wong <awong1@novell.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

drivers/staging/Kconfig

@@ -87,6 +87,8 @@ source "drivers/staging/rtl8187se/Kconfig"
 
 source "drivers/staging/rtl8192su/Kconfig"
 
+source "drivers/staging/rtl8192e/Kconfig"
+
 source "drivers/staging/rspiusb/Kconfig"
 
 source "drivers/staging/mimio/Kconfig"

drivers/staging/Makefile

@@ -26,6 +26,7 @@ obj-$(CONFIG_PANEL)		+= panel/
 obj-$(CONFIG_ALTERA_PCIE_CHDMA)	+= altpciechdma/
 obj-$(CONFIG_RTL8187SE)		+= rtl8187se/
 obj-$(CONFIG_RTL8192SU)		+= rtl8192su/
+obj-$(CONFIG_RTL8192E)		+= rtl8192e/
 obj-$(CONFIG_USB_RSPI)		+= rspiusb/
 obj-$(CONFIG_INPUT_MIMIO)	+= mimio/
 obj-$(CONFIG_TRANZPORT)		+= frontier/

drivers/staging/rtl8192e/Kconfig

@@ -0,0 +1,6 @@
+config RTL8192E
+	tristate "RealTek RTL8192E Wireless LAN NIC driver"
+	depends on PCI
+	depends on WIRELESS_EXT
+	default N
+	---help---

drivers/staging/rtl8192e/Makefile

@@ -0,0 +1,35 @@
+NIC_SELECT = RTL8192E
+
+
+EXTRA_CFLAGS += -DRTL8192E
+EXTRA_CFLAGS += -std=gnu89
+EXTRA_CFLAGS += -O2
+EXTRA_CFLAGS += -mhard-float -DCONFIG_FORCE_HARD_FLOAT=y
+EXTRA_CFLAGS += -DTHOMAS_TURBO
+EXTRA_CFLAGS += -DENABLE_DOT11D
+
+r8192_pci-objs :=		\
+	r8192E_core.o		\
+	r8180_93cx6.o		\
+	r8192E_wx.o		\
+	r8190_rtl8256.o		\
+	r819xE_phy.o		\
+	r819xE_firmware.o	\
+	r819xE_cmdpkt.o		\
+	r8192E_dm.o		\
+	ieee80211/ieee80211_rx.o		\
+	ieee80211/ieee80211_softmac.o		\
+	ieee80211/ieee80211_tx.o		\
+	ieee80211/ieee80211_wx.o		\
+	ieee80211/ieee80211_module.o		\
+	ieee80211/ieee80211_softmac_wx.o	\
+	ieee80211/rtl819x_HTProc.o		\
+	ieee80211/rtl819x_TSProc.o		\
+	ieee80211/rtl819x_BAProc.o		\
+	ieee80211/dot11d.o			\
+	ieee80211/ieee80211_crypt.o		\
+	ieee80211/ieee80211_crypt_tkip.o	\
+	ieee80211/ieee80211_crypt_ccmp.o	\
+	ieee80211/ieee80211_crypt_wep.o
+
+obj-$(CONFIG_RTL8192E) += r8192_pci.o

drivers/staging/rtl8192e/dot11d.h

@@ -0,0 +1,102 @@
+#ifndef __INC_DOT11D_H
+#define __INC_DOT11D_H
+
+#ifdef ENABLE_DOT11D
+#include "ieee80211.h"
+
+//#define ENABLE_DOT11D
+
+//#define DOT11D_MAX_CHNL_NUM 83
+
+typedef struct _CHNL_TXPOWER_TRIPLE {
+	u8 FirstChnl;
+	u8  NumChnls;
+	u8  MaxTxPowerInDbm;
+}CHNL_TXPOWER_TRIPLE, *PCHNL_TXPOWER_TRIPLE;
+
+typedef enum _DOT11D_STATE {
+	DOT11D_STATE_NONE = 0,
+	DOT11D_STATE_LEARNED,
+	DOT11D_STATE_DONE,
+}DOT11D_STATE;
+
+typedef struct _RT_DOT11D_INFO {
+	//DECLARE_RT_OBJECT(RT_DOT11D_INFO);
+
+	bool bEnabled; // dot11MultiDomainCapabilityEnabled
+
+	u16 CountryIeLen; // > 0 if CountryIeBuf[] contains valid country information element.
+	u8  CountryIeBuf[MAX_IE_LEN];
+	u8  CountryIeSrcAddr[6]; // Source AP of the country IE.
+	u8  CountryIeWatchdog;
+
+	u8  channel_map[MAX_CHANNEL_NUMBER+1];  //!!!Value 0: Invalid, 1: Valid (active scan), 2: Valid (passive scan)
+	//u8  ChnlListLen; // #Bytes valid in ChnlList[].
+	//u8  ChnlList[DOT11D_MAX_CHNL_NUM];
+	u8  MaxTxPwrDbmList[MAX_CHANNEL_NUMBER+1];
+
+	DOT11D_STATE State;
+}RT_DOT11D_INFO, *PRT_DOT11D_INFO;
+#define eqMacAddr(a,b)		( ((a)[0]==(b)[0] && (a)[1]==(b)[1] && (a)[2]==(b)[2] && (a)[3]==(b)[3] && (a)[4]==(b)[4] && (a)[5]==(b)[5]) ? 1:0 )
+#define cpMacAddr(des,src)	      ((des)[0]=(src)[0],(des)[1]=(src)[1],(des)[2]=(src)[2],(des)[3]=(src)[3],(des)[4]=(src)[4],(des)[5]=(src)[5])
+#define GET_DOT11D_INFO(__pIeeeDev) ((PRT_DOT11D_INFO)((__pIeeeDev)->pDot11dInfo))
+
+#define IS_DOT11D_ENABLE(__pIeeeDev) GET_DOT11D_INFO(__pIeeeDev)->bEnabled
+#define IS_COUNTRY_IE_VALID(__pIeeeDev) (GET_DOT11D_INFO(__pIeeeDev)->CountryIeLen > 0)
+
+#define IS_EQUAL_CIE_SRC(__pIeeeDev, __pTa) eqMacAddr(GET_DOT11D_INFO(__pIeeeDev)->CountryIeSrcAddr, __pTa)
+#define UPDATE_CIE_SRC(__pIeeeDev, __pTa) cpMacAddr(GET_DOT11D_INFO(__pIeeeDev)->CountryIeSrcAddr, __pTa)
+
+#define IS_COUNTRY_IE_CHANGED(__pIeeeDev, __Ie) \
+	(((__Ie).Length == 0 || (__Ie).Length != GET_DOT11D_INFO(__pIeeeDev)->CountryIeLen) ? \
+	FALSE : \
+	(!memcmp(GET_DOT11D_INFO(__pIeeeDev)->CountryIeBuf, (__Ie).Octet, (__Ie).Length)))
+
+#define CIE_WATCHDOG_TH 1
+#define GET_CIE_WATCHDOG(__pIeeeDev) GET_DOT11D_INFO(__pIeeeDev)->CountryIeWatchdog
+#define RESET_CIE_WATCHDOG(__pIeeeDev) GET_CIE_WATCHDOG(__pIeeeDev) = 0
+#define UPDATE_CIE_WATCHDOG(__pIeeeDev) ++GET_CIE_WATCHDOG(__pIeeeDev)
+
+#define IS_DOT11D_STATE_DONE(__pIeeeDev) (GET_DOT11D_INFO(__pIeeeDev)->State == DOT11D_STATE_DONE)
+
+
+void
+Dot11d_Init(
+	struct ieee80211_device *dev
+	);
+
+void
+Dot11d_Reset(
+	struct ieee80211_device *dev
+	);
+
+void
+Dot11d_UpdateCountryIe(
+	struct ieee80211_device *dev,
+	u8 *		pTaddr,
+	u16	CoutryIeLen,
+	u8 * pCoutryIe
+	);
+
+u8
+DOT11D_GetMaxTxPwrInDbm(
+	struct ieee80211_device *dev,
+	u8 Channel
+	);
+
+void
+DOT11D_ScanComplete(
+	struct ieee80211_device * dev
+	);
+
+int IsLegalChannel(
+	struct ieee80211_device * dev,
+	u8 channel
+);
+
+int ToLegalChannel(
+	struct ieee80211_device * dev,
+	u8 channel
+);
+#endif //ENABLE_DOT11D
+#endif // #ifndef __INC_DOT11D_H