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: NGreg 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

+config RTL8192E
+	tristate "RealTek RTL8192E Wireless LAN NIC driver"
+	depends on PCI
+	depends on WIRELESS_EXT
+	default N
+	---help---

drivers/staging/rtl8192e/Makefile

+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

+#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

drivers/staging/rtl8192e/ieee80211/EndianFree.h

+#ifndef __INC_ENDIANFREE_H
+#define __INC_ENDIANFREE_H
+
+/*
+ *	Call endian free function when
+ *		1. Read/write packet content.
+ *		2. Before write integer to IO.
+ *		3. After read integer from IO.
+ */
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,20))
+#ifndef bool
+typedef enum{false = 0, true} bool;
+#endif
+#endif
+
+#define __MACHINE_LITTLE_ENDIAN 1234    /* LSB first: i386, vax */
+#define __MACHINE_BIG_ENDIAN    4321    /* MSB first: 68000, ibm, net, ppc */
+
+#define BYTE_ORDER __MACHINE_LITTLE_ENDIAN
+
+#if BYTE_ORDER == __MACHINE_LITTLE_ENDIAN
+// Convert data
+#define EF1Byte(_val)				((u8)(_val))
+#define EF2Byte(_val)				((u16)(_val))
+#define EF4Byte(_val)				((u32)(_val))
+
+#else
+// Convert data
+#define EF1Byte(_val)				((u8)(_val))
+#define EF2Byte(_val)				(((((u16)(_val))&0x00ff)<<8)|((((u16)(_val))&0xff00)>>8))
+#define EF4Byte(_val)				(((((u32)(_val))&0x000000ff)<<24)|\
+						((((u32)(_val))&0x0000ff00)<<8)|\
+						((((u32)(_val))&0x00ff0000)>>8)|\
+						((((u32)(_val))&0xff000000)>>24))
+#endif
+
+// Read data from memory
+#define ReadEF1Byte(_ptr)		EF1Byte(*((u8 *)(_ptr)))
+#define ReadEF2Byte(_ptr)		EF2Byte(*((u16 *)(_ptr)))
+#define ReadEF4Byte(_ptr)		EF4Byte(*((u32 *)(_ptr)))
+
+// Write data to memory
+#define WriteEF1Byte(_ptr, _val)	(*((u8 *)(_ptr)))=EF1Byte(_val)
+#define WriteEF2Byte(_ptr, _val)	(*((u16 *)(_ptr)))=EF2Byte(_val)
+#define WriteEF4Byte(_ptr, _val)	(*((u32 *)(_ptr)))=EF4Byte(_val)
+// Convert Host system specific byte ording (litten or big endia) to Network byte ording (big endian).
+// 2006.05.07, by rcnjko.
+#if BYTE_ORDER == __MACHINE_LITTLE_ENDIAN
+#define H2N1BYTE(_val)	((u8)(_val))
+#define H2N2BYTE(_val)	(((((u16)(_val))&0x00ff)<<8)|\
+			((((u16)(_val))&0xff00)>>8))
+#define H2N4BYTE(_val)	(((((u32)(_val))&0x000000ff)<<24)|\
+			((((u32)(_val))&0x0000ff00)<<8)	|\
+			((((u32)(_val))&0x00ff0000)>>8)	|\
+			((((u32)(_val))&0xff000000)>>24))
+#else
+#define H2N1BYTE(_val)			((u8)(_val))
+#define H2N2BYTE(_val)			((u16)(_val))
+#define H2N4BYTE(_val)			((u32)(_val))
+#endif
+
+// Convert from Network byte ording (big endian) to Host system specific byte ording (litten or big endia).
+// 2006.05.07, by rcnjko.
+#if BYTE_ORDER == __MACHINE_LITTLE_ENDIAN
+#define N2H1BYTE(_val)	((u8)(_val))
+#define N2H2BYTE(_val)	(((((u16)(_val))&0x00ff)<<8)|\
+			((((u16)(_val))&0xff00)>>8))
+#define N2H4BYTE(_val)	(((((u32)(_val))&0x000000ff)<<24)|\
+			((((u32)(_val))&0x0000ff00)<<8)	|\
+			((((u32)(_val))&0x00ff0000)>>8)	|\
+			((((u32)(_val))&0xff000000)>>24))
+#else
+#define N2H1BYTE(_val)			((u8)(_val))
+#define N2H2BYTE(_val)			((u16)(_val))
+#define N2H4BYTE(_val)			((u32)(_val))
+#endif
+
+//
+//	Example:
+//		BIT_LEN_MASK_32(0) => 0x00000000
+//		BIT_LEN_MASK_32(1) => 0x00000001
+//		BIT_LEN_MASK_32(2) => 0x00000003
+//		BIT_LEN_MASK_32(32) => 0xFFFFFFFF
+//
+#define BIT_LEN_MASK_32(__BitLen) (0xFFFFFFFF >> (32 - (__BitLen)))
+//
+//	Example:
+//		BIT_OFFSET_LEN_MASK_32(0, 2) => 0x00000003
+//		BIT_OFFSET_LEN_MASK_32(16, 2) => 0x00030000
+//
+#define BIT_OFFSET_LEN_MASK_32(__BitOffset, __BitLen) (BIT_LEN_MASK_32(__BitLen) << (__BitOffset))
+
+//
+//	Description:
+//		Return 4-byte value in host byte ordering from
+//		4-byte pointer in litten-endian system.
+//
+#define LE_P4BYTE_TO_HOST_4BYTE(__pStart) (EF4Byte(*((u32 *)(__pStart))))
+
+//
+//	Description:
+//		Translate subfield (continuous bits in little-endian) of 4-byte value in litten byte to
+//		4-byte value in host byte ordering.
+//
+#define LE_BITS_TO_4BYTE(__pStart, __BitOffset, __BitLen) \
+	( \
+	  ( LE_P4BYTE_TO_HOST_4BYTE(__pStart) >> (__BitOffset) ) \
+	  & \
+	  BIT_LEN_MASK_32(__BitLen) \
+	)
+
+//
+//	Description:
+//		Mask subfield (continuous bits in little-endian) of 4-byte value in litten byte oredering
+//		and return the result in 4-byte value in host byte ordering.
+//
+#define LE_BITS_CLEARED_TO_4BYTE(__pStart, __BitOffset, __BitLen) \
+	( \
+	  LE_P4BYTE_TO_HOST_4BYTE(__pStart) \
+	  & \
+	  ( ~BIT_OFFSET_LEN_MASK_32(__BitOffset, __BitLen) ) \
+	)
+
+//
+//	Description:
+//		Set subfield of little-endian 4-byte value to specified value.
+//
+#define SET_BITS_TO_LE_4BYTE(__pStart, __BitOffset, __BitLen, __Value) \
+	*((u32 *)(__pStart)) = \
+	EF4Byte( \
+	LE_BITS_CLEARED_TO_4BYTE(__pStart, __BitOffset, __BitLen) \
+	| \
+	( (((u32)__Value) & BIT_LEN_MASK_32(__BitLen)) << (__BitOffset) ) \
+       );
+
+
+#define BIT_LEN_MASK_16(__BitLen) \
+	(0xFFFF >> (16 - (__BitLen)))
+
+#define BIT_OFFSET_LEN_MASK_16(__BitOffset, __BitLen) \
+	(BIT_LEN_MASK_16(__BitLen) << (__BitOffset))
+
+#define LE_P2BYTE_TO_HOST_2BYTE(__pStart) \
+	(EF2Byte(*((u16 *)(__pStart))))
+
+#define LE_BITS_TO_2BYTE(__pStart, __BitOffset, __BitLen) \
+	( \
+	  ( LE_P2BYTE_TO_HOST_2BYTE(__pStart) >> (__BitOffset) ) \
+	  & \
+	  BIT_LEN_MASK_16(__BitLen) \
+	)
+
+#define LE_BITS_CLEARED_TO_2BYTE(__pStart, __BitOffset, __BitLen) \
+	( \
+	  LE_P2BYTE_TO_HOST_2BYTE(__pStart) \
+	  & \
+	  ( ~BIT_OFFSET_LEN_MASK_16(__BitOffset, __BitLen) ) \
+	)
+
+#define SET_BITS_TO_LE_2BYTE(__pStart, __BitOffset, __BitLen, __Value) \
+	*((u16 *)(__pStart)) = \
+	EF2Byte( \
+		LE_BITS_CLEARED_TO_2BYTE(__pStart, __BitOffset, __BitLen) \
+		| \
+		( (((u16)__Value) & BIT_LEN_MASK_16(__BitLen)) << (__BitOffset) ) \
+       );
+
+#define BIT_LEN_MASK_8(__BitLen) \
+	(0xFF >> (8 - (__BitLen)))
+
+#define BIT_OFFSET_LEN_MASK_8(__BitOffset, __BitLen) \
+	(BIT_LEN_MASK_8(__BitLen) << (__BitOffset))
+
+#define LE_P1BYTE_TO_HOST_1BYTE(__pStart) \
+	(EF1Byte(*((u8 *)(__pStart))))
+
+#define LE_BITS_TO_1BYTE(__pStart, __BitOffset, __BitLen) \
+	( \
+	  ( LE_P1BYTE_TO_HOST_1BYTE(__pStart) >> (__BitOffset) ) \
+	  & \
+	  BIT_LEN_MASK_8(__BitLen) \
+	)
+
+#define LE_BITS_CLEARED_TO_1BYTE(__pStart, __BitOffset, __BitLen) \
+	( \
+	  LE_P1BYTE_TO_HOST_1BYTE(__pStart) \
+	  & \
+	  ( ~BIT_OFFSET_LEN_MASK_8(__BitOffset, __BitLen) ) \
+	)
+
+#define SET_BITS_TO_LE_1BYTE(__pStart, __BitOffset, __BitLen, __Value) \
+	*((u8 *)(__pStart)) = \
+	EF1Byte( \
+		LE_BITS_CLEARED_TO_1BYTE(__pStart, __BitOffset, __BitLen) \
+		| \
+		( (((u8)__Value) & BIT_LEN_MASK_8(__BitLen)) << (__BitOffset) ) \
+       );
+
+#endif // #ifndef __INC_ENDIANFREE_H

drivers/staging/rtl8192e/ieee80211/aes.c

+/*
+ * Cryptographic API.
+ *
+ * AES Cipher Algorithm.
+ *
+ * Based on Brian Gladman's code.
+ *
+ * Linux developers:
+ *  Alexander Kjeldaas <astor@fast.no>
+ *  Herbert Valerio Riedel <hvr@hvrlab.org>
+ *  Kyle McMartin <kyle@debian.org>
+ *  Adam J. Richter <adam@yggdrasil.com> (conversion to 2.5 API).
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * ---------------------------------------------------------------------------
+ * Copyright (c) 2002, Dr Brian Gladman <brg@gladman.me.uk>, Worcester, UK.
+ * All rights reserved.
+ *
+ * LICENSE TERMS
+ *
+ * The free distribution and use of this software in both source and binary
+ * form is allowed (with or without changes) provided that:
+ *
+ *   1. distributions of this source code include the above copyright
+ *      notice, this list of conditions and the following disclaimer;
+ *
+ *   2. distributions in binary form include the above copyright
+ *      notice, this list of conditions and the following disclaimer
+ *      in the documentation and/or other associated materials;
+ *
+ *   3. the copyright holder's name is not used to endorse products
+ *      built using this software without specific written permission.
+ *
+ * ALTERNATIVELY, provided that this notice is retained in full, this product
+ * may be distributed under the terms of the GNU General Public License (GPL),
+ * in which case the provisions of the GPL apply INSTEAD OF those given above.
+ *
+ * DISCLAIMER
+ *
+ * This software is provided 'as is' with no explicit or implied warranties
+ * in respect of its properties, including, but not limited to, correctness
+ * and/or fitness for purpose.
+ * ---------------------------------------------------------------------------
+ */
+
+/* Some changes from the Gladman version:
+    s/RIJNDAEL(e_key)/E_KEY/g
+    s/RIJNDAEL(d_key)/D_KEY/g
+*/
+
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/types.h>
+#include <linux/errno.h>
+//#include <linux/crypto.h>
+#include "rtl_crypto.h"
+#include <asm/byteorder.h>
+
+#define AES_MIN_KEY_SIZE	16
+#define AES_MAX_KEY_SIZE	32
+
+#define AES_BLOCK_SIZE		16
+
+static inline
+u32 generic_rotr32 (const u32 x, const unsigned bits)
+{
+	const unsigned n = bits % 32;
+	return (x >> n) | (x << (32 - n));
+}
+
+static inline
+u32 generic_rotl32 (const u32 x, const unsigned bits)
+{
+	const unsigned n = bits % 32;
+	return (x << n) | (x >> (32 - n));
+}
+
+#define rotl generic_rotl32
+#define rotr generic_rotr32
+
+/*
+ * #define byte(x, nr) ((unsigned char)((x) >> (nr*8)))
+ */
+inline static u8
+byte(const u32 x, const unsigned n)
+{
+	return x >> (n << 3);
+}
+
+#define u32_in(x) le32_to_cpu(*(const u32 *)(x))
+#define u32_out(to, from) (*(u32 *)(to) = cpu_to_le32(from))
+
+struct aes_ctx {
+	int key_length;
+	u32 E[60];
+	u32 D[60];
+};
+
+#define E_KEY ctx->E
+#define D_KEY ctx->D
+
+static u8 pow_tab[256] __initdata;
+static u8 log_tab[256] __initdata;
+static u8 sbx_tab[256] __initdata;
+static u8 isb_tab[256] __initdata;
+static u32 rco_tab[10];
+static u32 ft_tab[4][256];
+static u32 it_tab[4][256];
+
+static u32 fl_tab[4][256];
+static u32 il_tab[4][256];
+
+static inline u8 __init
+f_mult (u8 a, u8 b)
+{
+	u8 aa = log_tab[a], cc = aa + log_tab[b];
+
+	return pow_tab[cc + (cc < aa ? 1 : 0)];
+}
+
+#define ff_mult(a,b)    (a && b ? f_mult(a, b) : 0)
+
+#define f_rn(bo, bi, n, k)					\
+    bo[n] =  ft_tab[0][byte(bi[n],0)] ^				\
+             ft_tab[1][byte(bi[(n + 1) & 3],1)] ^		\
+             ft_tab[2][byte(bi[(n + 2) & 3],2)] ^		\
+             ft_tab[3][byte(bi[(n + 3) & 3],3)] ^ *(k + n)
+
+#define i_rn(bo, bi, n, k)					\
+    bo[n] =  it_tab[0][byte(bi[n],0)] ^				\
+             it_tab[1][byte(bi[(n + 3) & 3],1)] ^		\
+             it_tab[2][byte(bi[(n + 2) & 3],2)] ^		\
+             it_tab[3][byte(bi[(n + 1) & 3],3)] ^ *(k + n)
+
+#define ls_box(x)				\
+    ( fl_tab[0][byte(x, 0)] ^			\
+      fl_tab[1][byte(x, 1)] ^			\
+      fl_tab[2][byte(x, 2)] ^			\
+      fl_tab[3][byte(x, 3)] )
+
+#define f_rl(bo, bi, n, k)					\
+    bo[n] =  fl_tab[0][byte(bi[n],0)] ^				\
+             fl_tab[1][byte(bi[(n + 1) & 3],1)] ^		\
+             fl_tab[2][byte(bi[(n + 2) & 3],2)] ^		\
+             fl_tab[3][byte(bi[(n + 3) & 3],3)] ^ *(k + n)
+
+#define i_rl(bo, bi, n, k)					\
+    bo[n] =  il_tab[0][byte(bi[n],0)] ^				\
+             il_tab[1][byte(bi[(n + 3) & 3],1)] ^		\
+             il_tab[2][byte(bi[(n + 2) & 3],2)] ^		\
+             il_tab[3][byte(bi[(n + 1) & 3],3)] ^ *(k + n)
+
+static void __init
+gen_tabs (void)
+{
+	u32 i, t;
+	u8 p, q;
+
+	/* log and power tables for GF(2**8) finite field with
+	   0x011b as modular polynomial - the simplest primitive
+	   root is 0x03, used here to generate the tables */
+
+	for (i = 0, p = 1; i < 256; ++i) {
+		pow_tab[i] = (u8) p;
+		log_tab[p] = (u8) i;
+
+		p ^= (p << 1) ^ (p & 0x80 ? 0x01b : 0);
+	}
+
+	log_tab[1] = 0;
+
+	for (i = 0, p = 1; i < 10; ++i) {
+		rco_tab[i] = p;
+
+		p = (p << 1) ^ (p & 0x80 ? 0x01b : 0);
+	}
+
+	for (i = 0; i < 256; ++i) {
+		p = (i ? pow_tab[255 - log_tab[i]] : 0);
+		q = ((p >> 7) | (p << 1)) ^ ((p >> 6) | (p << 2));
+		p ^= 0x63 ^ q ^ ((q >> 6) | (q << 2));
+		sbx_tab[i] = p;
+		isb_tab[p] = (u8) i;
+	}
+
+	for (i = 0; i < 256; ++i) {
+		p = sbx_tab[i];
+
+		t = p;
+		fl_tab[0][i] = t;
+		fl_tab[1][i] = rotl (t, 8);
+		fl_tab[2][i] = rotl (t, 16);
+		fl_tab[3][i] = rotl (t, 24);
+
+		t = ((u32) ff_mult (2, p)) |
+		    ((u32) p << 8) |
+		    ((u32) p << 16) | ((u32) ff_mult (3, p) << 24);
+
+		ft_tab[0][i] = t;
+		ft_tab[1][i] = rotl (t, 8);
+		ft_tab[2][i] = rotl (t, 16);
+		ft_tab[3][i] = rotl (t, 24);
+
+		p = isb_tab[i];
+
+		t = p;
+		il_tab[0][i] = t;
+		il_tab[1][i] = rotl (t, 8);
+		il_tab[2][i] = rotl (t, 16);
+		il_tab[3][i] = rotl (t, 24);
+
+		t = ((u32) ff_mult (14, p)) |
+		    ((u32) ff_mult (9, p) << 8) |
+		    ((u32) ff_mult (13, p) << 16) |
+		    ((u32) ff_mult (11, p) << 24);
+
+		it_tab[0][i] = t;
+		it_tab[1][i] = rotl (t, 8);
+		it_tab[2][i] = rotl (t, 16);
+		it_tab[3][i] = rotl (t, 24);
+	}
+}
+
+#define star_x(x) (((x) & 0x7f7f7f7f) << 1) ^ ((((x) & 0x80808080) >> 7) * 0x1b)
+
+#define imix_col(y,x)       \
+    u   = star_x(x);        \
+    v   = star_x(u);        \
+    w   = star_x(v);        \
+    t   = w ^ (x);          \
+   (y)  = u ^ v ^ w;        \
+   (y) ^= rotr(u ^ t,  8) ^ \
+          rotr(v ^ t, 16) ^ \
+          rotr(t,24)
+
+/* initialise the key schedule from the user supplied key */
+
+#define loop4(i)                                    \
+{   t = rotr(t,  8); t = ls_box(t) ^ rco_tab[i];    \
+    t ^= E_KEY[4 * i];     E_KEY[4 * i + 4] = t;    \
+    t ^= E_KEY[4 * i + 1]; E_KEY[4 * i + 5] = t;    \
+    t ^= E_KEY[4 * i + 2]; E_KEY[4 * i + 6] = t;    \
+    t ^= E_KEY[4 * i + 3]; E_KEY[4 * i + 7] = t;    \
+}
+
+#define loop6(i)                                    \
+{   t = rotr(t,  8); t = ls_box(t) ^ rco_tab[i];    \
+    t ^= E_KEY[6 * i];     E_KEY[6 * i + 6] = t;    \
+    t ^= E_KEY[6 * i + 1]; E_KEY[6 * i + 7] = t;    \
+    t ^= E_KEY[6 * i + 2]; E_KEY[6 * i + 8] = t;    \
+    t ^= E_KEY[6 * i + 3]; E_KEY[6 * i + 9] = t;    \
+    t ^= E_KEY[6 * i + 4]; E_KEY[6 * i + 10] = t;   \
+    t ^= E_KEY[6 * i + 5]; E_KEY[6 * i + 11] = t;   \
+}
+
+#define loop8(i)                                    \
+{   t = rotr(t,  8); ; t = ls_box(t) ^ rco_tab[i];  \
+    t ^= E_KEY[8 * i];     E_KEY[8 * i + 8] = t;    \
+    t ^= E_KEY[8 * i + 1]; E_KEY[8 * i + 9] = t;    \
+    t ^= E_KEY[8 * i + 2]; E_KEY[8 * i + 10] = t;   \
+    t ^= E_KEY[8 * i + 3]; E_KEY[8 * i + 11] = t;   \
+    t  = E_KEY[8 * i + 4] ^ ls_box(t);    \
+    E_KEY[8 * i + 12] = t;                \
+    t ^= E_KEY[8 * i + 5]; E_KEY[8 * i + 13] = t;   \
+    t ^= E_KEY[8 * i + 6]; E_KEY[8 * i + 14] = t;   \
+    t ^= E_KEY[8 * i + 7]; E_KEY[8 * i + 15] = t;   \
+}
+
+static int
+aes_set_key(void *ctx_arg, const u8 *in_key, unsigned int key_len, u32 *flags)
+{
+	struct aes_ctx *ctx = ctx_arg;
+	u32 i, t, u, v, w;
+
+	if (key_len != 16 && key_len != 24 && key_len != 32) {
+		*flags |= CRYPTO_TFM_RES_BAD_KEY_LEN;
+		return -EINVAL;
+	}
+
+	ctx->key_length = key_len;
+
+	E_KEY[0] = u32_in (in_key);
+	E_KEY[1] = u32_in (in_key + 4);
+	E_KEY[2] = u32_in (in_key + 8);
+	E_KEY[3] = u32_in (in_key + 12);
+
+	switch (key_len) {
+	case 16:
+		t = E_KEY[3];
+		for (i = 0; i < 10; ++i)
+			loop4 (i);
+		break;
+
+	case 24:
+		E_KEY[4] = u32_in (in_key + 16);
+		t = E_KEY[5] = u32_in (in_key + 20);
+		for (i = 0; i < 8; ++i)
+			loop6 (i);
+		break;
+
+	case 32:
+		E_KEY[4] = u32_in (in_key + 16);
+		E_KEY[5] = u32_in (in_key + 20);
+		E_KEY[6] = u32_in (in_key + 24);
+		t = E_KEY[7] = u32_in (in_key + 28);
+		for (i = 0; i < 7; ++i)
+			loop8 (i);
+		break;
+	}
+
+	D_KEY[0] = E_KEY[0];
+	D_KEY[1] = E_KEY[1];
+	D_KEY[2] = E_KEY[2];
+	D_KEY[3] = E_KEY[3];
+
+	for (i = 4; i < key_len + 24; ++i) {
+		imix_col (D_KEY[i], E_KEY[i]);
+	}
+
+	return 0;
+}
+
+/* encrypt a block of text */
+
+#define f_nround(bo, bi, k) \
+    f_rn(bo, bi, 0, k);     \
+    f_rn(bo, bi, 1, k);     \
+    f_rn(bo, bi, 2, k);     \
+    f_rn(bo, bi, 3, k);     \
+    k += 4
+
+#define f_lround(bo, bi, k) \
+    f_rl(bo, bi, 0, k);     \
+    f_rl(bo, bi, 1, k);     \
+    f_rl(bo, bi, 2, k);     \
+    f_rl(bo, bi, 3, k)
+
+static void aes_encrypt(void *ctx_arg, u8 *out, const u8 *in)
+{
+	const struct aes_ctx *ctx = ctx_arg;
+	u32 b0[4], b1[4];
+	const u32 *kp = E_KEY + 4;
+
+	b0[0] = u32_in (in) ^ E_KEY[0];
+	b0[1] = u32_in (in + 4) ^ E_KEY[1];
+	b0[2] = u32_in (in + 8) ^ E_KEY[2];
+	b0[3] = u32_in (in + 12) ^ E_KEY[3];
+
+	if (ctx->key_length > 24) {
+		f_nround (b1, b0, kp);
+		f_nround (b0, b1, kp);
+	}
+
+	if (ctx->key_length > 16) {
+		f_nround (b1, b0, kp);
+		f_nround (b0, b1, kp);
+	}
+
+	f_nround (b1, b0, kp);
+	f_nround (b0, b1, kp);
+	f_nround (b1, b0, kp);
+	f_nround (b0, b1, kp);
+	f_nround (b1, b0, kp);
+	f_nround (b0, b1, kp);
+	f_nround (b1, b0, kp);
+	f_nround (b0, b1, kp);
+	f_nround (b1, b0, kp);
+	f_lround (b0, b1, kp);
+
+	u32_out (out, b0[0]);
+	u32_out (out + 4, b0[1]);
+	u32_out (out + 8, b0[2]);
+	u32_out (out + 12, b0[3]);
+}
+
+/* decrypt a block of text */
+
+#define i_nround(bo, bi, k) \
+    i_rn(bo, bi, 0, k);     \
+    i_rn(bo, bi, 1, k);     \
+    i_rn(bo, bi, 2, k);     \
+    i_rn(bo, bi, 3, k);     \
+    k -= 4
+
+#define i_lround(bo, bi, k) \
+    i_rl(bo, bi, 0, k);     \
+    i_rl(bo, bi, 1, k);     \
+    i_rl(bo, bi, 2, k);     \
+    i_rl(bo, bi, 3, k)
+
+static void aes_decrypt(void *ctx_arg, u8 *out, const u8 *in)
+{
+	const struct aes_ctx *ctx = ctx_arg;
+	u32 b0[4], b1[4];
+	const int key_len = ctx->key_length;
+	const u32 *kp = D_KEY + key_len + 20;
+
+	b0[0] = u32_in (in) ^ E_KEY[key_len + 24];
+	b0[1] = u32_in (in + 4) ^ E_KEY[key_len + 25];
+	b0[2] = u32_in (in + 8) ^ E_KEY[key_len + 26];
+	b0[3] = u32_in (in + 12) ^ E_KEY[key_len + 27];
+
+	if (key_len > 24) {
+		i_nround (b1, b0, kp);
+		i_nround (b0, b1, kp);
+	}
+
+	if (key_len > 16) {
+		i_nround (b1, b0, kp);
+		i_nround (b0, b1, kp);
+	}
+
+	i_nround (b1, b0, kp);
+	i_nround (b0, b1, kp);
+	i_nround (b1, b0, kp);
+	i_nround (b0, b1, kp);
+	i_nround (b1, b0, kp);
+	i_nround (b0, b1, kp);
+	i_nround (b1, b0, kp);
+	i_nround (b0, b1, kp);
+	i_nround (b1, b0, kp);
+	i_lround (b0, b1, kp);
+
+	u32_out (out, b0[0]);
+	u32_out (out + 4, b0[1]);
+	u32_out (out + 8, b0[2]);
+	u32_out (out + 12, b0[3]);
+}
+
+
+static struct crypto_alg aes_alg = {
+	.cra_name		=	"aes",
+	.cra_flags		=	CRYPTO_ALG_TYPE_CIPHER,
+	.cra_blocksize		=	AES_BLOCK_SIZE,
+	.cra_ctxsize		=	sizeof(struct aes_ctx),
+	.cra_module		=	THIS_MODULE,
+	.cra_list		=	LIST_HEAD_INIT(aes_alg.cra_list),
+	.cra_u			=	{
+		.cipher = {
+			.cia_min_keysize	=	AES_MIN_KEY_SIZE,
+			.cia_max_keysize	=	AES_MAX_KEY_SIZE,
+			.cia_setkey	   	= 	aes_set_key,
+			.cia_encrypt	 	=	aes_encrypt,
+			.cia_decrypt	  	=	aes_decrypt
+		}
+	}
+};
+
+static int __init aes_init(void)
+{
+	gen_tabs();
+	return crypto_register_alg(&aes_alg);
+}
+
+static void __exit aes_fini(void)
+{
+	crypto_unregister_alg(&aes_alg);
+}
+
+module_init(aes_init);
+module_exit(aes_fini);
+
+MODULE_DESCRIPTION("Rijndael (AES) Cipher Algorithm");
+MODULE_LICENSE("Dual BSD/GPL");
+

drivers/staging/rtl8192e/ieee80211/api.c

+/*
+ * Scatterlist Cryptographic API.
+ *
+ * Copyright (c) 2002 James Morris <jmorris@intercode.com.au>
+ * Copyright (c) 2002 David S. Miller (davem@redhat.com)
+ *
+ * Portions derived from Cryptoapi, by Alexander Kjeldaas <astor@fast.no>
+ * and Nettle, by Niels M鰈ler.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the Free
+ * Software Foundation; either version 2 of the License, or (at your option)
+ * any later version.
+ *
+ */
+#include "kmap_types.h"
+
+#include <linux/init.h>
+#include <linux/module.h>
+//#include <linux/crypto.h>
+#include "rtl_crypto.h"
+#include <linux/errno.h>
+#include <linux/rwsem.h>
+#include <linux/slab.h>
+#include "internal.h"
+
+LIST_HEAD(crypto_alg_list);
+DECLARE_RWSEM(crypto_alg_sem);
+
+static inline int crypto_alg_get(struct crypto_alg *alg)
+{
+	return try_inc_mod_count(alg->cra_module);
+}
+
+static inline void crypto_alg_put(struct crypto_alg *alg)
+{
+	if (alg->cra_module)
+		__MOD_DEC_USE_COUNT(alg->cra_module);
+}
+
+struct crypto_alg *crypto_alg_lookup(const char *name)
+{
+	struct crypto_alg *q, *alg = NULL;
+
+	if (!name)
+		return NULL;
+
+	down_read(&crypto_alg_sem);
+
+	list_for_each_entry(q, &crypto_alg_list, cra_list) {
+		if (!(strcmp(q->cra_name, name))) {
+			if (crypto_alg_get(q))
+				alg = q;
+			break;
+		}
+	}
+
+	up_read(&crypto_alg_sem);
+	return alg;
+}
+
+static int crypto_init_flags(struct crypto_tfm *tfm, u32 flags)
+{
+	tfm->crt_flags = 0;
+
+	switch (crypto_tfm_alg_type(tfm)) {
+	case CRYPTO_ALG_TYPE_CIPHER:
+		return crypto_init_cipher_flags(tfm, flags);
+
+	case CRYPTO_ALG_TYPE_DIGEST:
+		return crypto_init_digest_flags(tfm, flags);
+
+	case CRYPTO_ALG_TYPE_COMPRESS:
+		return crypto_init_compress_flags(tfm, flags);
+
+	default:
+		break;
+	}
+
+	BUG();
+	return -EINVAL;
+}
+
+static int crypto_init_ops(struct crypto_tfm *tfm)
+{
+	switch (crypto_tfm_alg_type(tfm)) {
+	case CRYPTO_ALG_TYPE_CIPHER:
+		return crypto_init_cipher_ops(tfm);
+
+	case CRYPTO_ALG_TYPE_DIGEST:
+		return crypto_init_digest_ops(tfm);
+
+	case CRYPTO_ALG_TYPE_COMPRESS:
+		return crypto_init_compress_ops(tfm);
+
+	default:
+		break;
+	}
+
+	BUG();
+	return -EINVAL;
+}
+
+static void crypto_exit_ops(struct crypto_tfm *tfm)
+{
+	switch (crypto_tfm_alg_type(tfm)) {
+	case CRYPTO_ALG_TYPE_CIPHER:
+		crypto_exit_cipher_ops(tfm);
+		break;
+
+	case CRYPTO_ALG_TYPE_DIGEST:
+		crypto_exit_digest_ops(tfm);
+		break;
+
+	case CRYPTO_ALG_TYPE_COMPRESS:
+		crypto_exit_compress_ops(tfm);
+		break;
+
+	default:
+		BUG();
+
+	}
+}
+
+struct crypto_tfm *crypto_alloc_tfm(const char *name, u32 flags)
+{
+	struct crypto_tfm *tfm = NULL;
+	struct crypto_alg *alg;
+
+	alg = crypto_alg_mod_lookup(name);
+	if (alg == NULL)
+		goto out;
+
+	tfm = kmalloc(sizeof(*tfm) + alg->cra_ctxsize, GFP_KERNEL);
+	if (tfm == NULL)
+		goto out_put;
+
+	memset(tfm, 0, sizeof(*tfm) + alg->cra_ctxsize);
+
+	tfm->__crt_alg = alg;
+
+	if (crypto_init_flags(tfm, flags))
+		goto out_free_tfm;
+
+	if (crypto_init_ops(tfm)) {
+		crypto_exit_ops(tfm);
+		goto out_free_tfm;
+	}
+
+	goto out;
+
+out_free_tfm:
+	kfree(tfm);
+	tfm = NULL;
+out_put:
+	crypto_alg_put(alg);
+out:
+	return tfm;
+}
+
+void crypto_free_tfm(struct crypto_tfm *tfm)
+{
+	struct crypto_alg *alg = tfm->__crt_alg;
+	int size = sizeof(*tfm) + alg->cra_ctxsize;
+
+	crypto_exit_ops(tfm);
+	crypto_alg_put(alg);
+	memset(tfm, 0, size);
+	kfree(tfm);
+}
+
+int crypto_register_alg(struct crypto_alg *alg)
+{
+	int ret = 0;
+	struct crypto_alg *q;
+
+	down_write(&crypto_alg_sem);
+
+	list_for_each_entry(q, &crypto_alg_list, cra_list) {
+		if (!(strcmp(q->cra_name, alg->cra_name))) {
+			ret = -EEXIST;
+			goto out;
+		}
+	}
+
+	list_add_tail(&alg->cra_list, &crypto_alg_list);
+out:
+	up_write(&crypto_alg_sem);
+	return ret;
+}
+
+int crypto_unregister_alg(struct crypto_alg *alg)
+{
+	int ret = -ENOENT;
+	struct crypto_alg *q;
+
+	BUG_ON(!alg->cra_module);
+
+	down_write(&crypto_alg_sem);
+	list_for_each_entry(q, &crypto_alg_list, cra_list) {
+		if (alg == q) {
+			list_del(&alg->cra_list);
+			ret = 0;
+			goto out;
+		}
+	}
+out:
+	up_write(&crypto_alg_sem);
+	return ret;
+}
+
+int crypto_alg_available(const char *name, u32 flags)
+{
+	int ret = 0;
+	struct crypto_alg *alg = crypto_alg_mod_lookup(name);
+
+	if (alg) {
+		crypto_alg_put(alg);
+		ret = 1;
+	}
+
+	return ret;
+}
+
+static int __init init_crypto(void)
+{
+	printk(KERN_INFO "Initializing Cryptographic API\n");
+	crypto_init_proc();
+	return 0;
+}
+
+__initcall(init_crypto);
+
+/*
+EXPORT_SYMBOL_GPL(crypto_register_alg);
+EXPORT_SYMBOL_GPL(crypto_unregister_alg);
+EXPORT_SYMBOL_GPL(crypto_alloc_tfm);
+EXPORT_SYMBOL_GPL(crypto_free_tfm);
+EXPORT_SYMBOL_GPL(crypto_alg_available);
+*/
+
+EXPORT_SYMBOL_NOVERS(crypto_register_alg);
+EXPORT_SYMBOL_NOVERS(crypto_unregister_alg);
+EXPORT_SYMBOL_NOVERS(crypto_alloc_tfm);
+EXPORT_SYMBOL_NOVERS(crypto_free_tfm);
+EXPORT_SYMBOL_NOVERS(crypto_alg_available);

drivers/staging/rtl8192e/ieee80211/arc4.c

+/*
+ * Cryptographic API
+ *
+ * ARC4 Cipher Algorithm
+ *
+ * Jon Oberheide <jon@oberheide.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ */
+#include <linux/module.h>
+#include <linux/init.h>
+#include "rtl_crypto.h"
+
+#define ARC4_MIN_KEY_SIZE	1
+#define ARC4_MAX_KEY_SIZE	256
+#define ARC4_BLOCK_SIZE		1
+
+struct arc4_ctx {
+	u8 S[256];
+	u8 x, y;
+};
+
+static int arc4_set_key(void *ctx_arg, const u8 *in_key, unsigned int key_len, u32 *flags)
+{
+	struct arc4_ctx *ctx = ctx_arg;
+	int i, j = 0, k = 0;
+
+	ctx->x = 1;
+	ctx->y = 0;
+
+	for(i = 0; i < 256; i++)
+		ctx->S[i] = i;
+
+	for(i = 0; i < 256; i++)
+	{
+		u8 a = ctx->S[i];
+		j = (j + in_key[k] + a) & 0xff;
+		ctx->S[i] = ctx->S[j];
+		ctx->S[j] = a;
+		if((unsigned int)++k >= key_len)
+			k = 0;
+	}
+
+	return 0;
+}
+
+static void arc4_crypt(void *ctx_arg, u8 *out, const u8 *in)
+{
+	struct arc4_ctx *ctx = ctx_arg;
+
+	u8 *const S = ctx->S;
+	u8 x = ctx->x;
+	u8 y = ctx->y;
+	u8 a, b;
+
+	a = S[x];
+	y = (y + a) & 0xff;
+	b = S[y];
+	S[x] = b;
+	S[y] = a;
+	x = (x + 1) & 0xff;
+	*out++ = *in ^ S[(a + b) & 0xff];
+
+	ctx->x = x;
+	ctx->y = y;
+}
+
+static struct crypto_alg arc4_alg = {
+	.cra_name		=	"arc4",
+	.cra_flags		=	CRYPTO_ALG_TYPE_CIPHER,
+	.cra_blocksize		=	ARC4_BLOCK_SIZE,
+	.cra_ctxsize		=	sizeof(struct arc4_ctx),
+	.cra_module		=	THIS_MODULE,
+	.cra_list		=	LIST_HEAD_INIT(arc4_alg.cra_list),
+	.cra_u			=	{ .cipher = {
+	.cia_min_keysize	=	ARC4_MIN_KEY_SIZE,
+	.cia_max_keysize	=	ARC4_MAX_KEY_SIZE,
+	.cia_setkey	   	= 	arc4_set_key,
+	.cia_encrypt	 	=	arc4_crypt,
+	.cia_decrypt	  	=	arc4_crypt } }
+};
+
+static int __init arc4_init(void)
+{
+	return crypto_register_alg(&arc4_alg);
+}
+
+
+static void __exit arc4_exit(void)
+{
+	crypto_unregister_alg(&arc4_alg);
+}
+
+module_init(arc4_init);
+module_exit(arc4_exit);
+
+MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("ARC4 Cipher Algorithm");
+MODULE_AUTHOR("Jon Oberheide <jon@oberheide.org>");

drivers/staging/rtl8192e/ieee80211/autoload.c

+/*
+ * Cryptographic API.
+ *
+ * Algorithm autoloader.
+ *
+ * Copyright (c) 2002 James Morris <jmorris@intercode.com.au>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the Free
+ * Software Foundation; either version 2 of the License, or (at your option)
+ * any later version.
+ *
+ */
+#include "kmap_types.h"
+
+#include <linux/kernel.h>
+//#include <linux/crypto.h>
+#include "rtl_crypto.h"
+#include <linux/string.h>
+#include <linux/kmod.h>
+#include "internal.h"
+
+/*
+ * A far more intelligent version of this is planned.  For now, just
+ * try an exact match on the name of the algorithm.
+ */
+void crypto_alg_autoload(const char *name)
+{
+	request_module(name);
+}
+
+struct crypto_alg *crypto_alg_mod_lookup(const char *name)
+{
+	struct crypto_alg *alg = crypto_alg_lookup(name);
+	if (alg == NULL) {
+		crypto_alg_autoload(name);
+		alg = crypto_alg_lookup(name);
+	}
+	return alg;
+}

drivers/staging/rtl8192e/ieee80211/cipher.c

+/*
+ * Cryptographic API.
+ *
+ * Cipher operations.
+ *
+ * Copyright (c) 2002 James Morris <jmorris@intercode.com.au>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the Free
+ * Software Foundation; either version 2 of the License, or (at your option)
+ * any later version.
+ *
+ */
+#include <linux/kernel.h>
+//#include <linux/crypto.h>
+#include "rtl_crypto.h"
+#include <linux/errno.h>
+#include <linux/mm.h>
+#include <linux/slab.h>
+#include <asm/scatterlist.h>
+#include "internal.h"
+#include "scatterwalk.h"
+
+typedef void (cryptfn_t)(void *, u8 *, const u8 *);
+typedef void (procfn_t)(struct crypto_tfm *, u8 *,
+                        u8*, cryptfn_t, int enc, void *, int);
+
+static inline void xor_64(u8 *a, const u8 *b)
+{
+	((u32 *)a)[0] ^= ((u32 *)b)[0];
+	((u32 *)a)[1] ^= ((u32 *)b)[1];
+}
+
+static inline void xor_128(u8 *a, const u8 *b)
+{
+	((u32 *)a)[0] ^= ((u32 *)b)[0];
+	((u32 *)a)[1] ^= ((u32 *)b)[1];
+	((u32 *)a)[2] ^= ((u32 *)b)[2];
+	((u32 *)a)[3] ^= ((u32 *)b)[3];
+}
+
+
+/*
+ * Generic encrypt/decrypt wrapper for ciphers, handles operations across
+ * multiple page boundaries by using temporary blocks.  In user context,
+ * the kernel is given a chance to schedule us once per block.
+ */
+static int crypt(struct crypto_tfm *tfm,
+		 struct scatterlist *dst,
+		 struct scatterlist *src,
+                 unsigned int nbytes, cryptfn_t crfn,
+                 procfn_t prfn, int enc, void *info)
+{
+	struct scatter_walk walk_in, walk_out;
+	const unsigned int bsize = crypto_tfm_alg_blocksize(tfm);
+	u8 tmp_src[bsize];
+	u8 tmp_dst[bsize];
+
+	if (!nbytes)
+		return 0;
+
+	if (nbytes % bsize) {
+		tfm->crt_flags |= CRYPTO_TFM_RES_BAD_BLOCK_LEN;
+		return -EINVAL;
+	}
+
+	scatterwalk_start(&walk_in, src);
+	scatterwalk_start(&walk_out, dst);
+
+	for(;;) {
+		u8 *src_p, *dst_p;
+		int in_place;
+
+		scatterwalk_map(&walk_in, 0);
+		scatterwalk_map(&walk_out, 1);
+		src_p = scatterwalk_whichbuf(&walk_in, bsize, tmp_src);
+		dst_p = scatterwalk_whichbuf(&walk_out, bsize, tmp_dst);
+		in_place = scatterwalk_samebuf(&walk_in, &walk_out,
+					       src_p, dst_p);
+
+		nbytes -= bsize;
+
+		scatterwalk_copychunks(src_p, &walk_in, bsize, 0);
+
+		prfn(tfm, dst_p, src_p, crfn, enc, info, in_place);
+
+		scatterwalk_done(&walk_in, 0, nbytes);
+
+		scatterwalk_copychunks(dst_p, &walk_out, bsize, 1);
+		scatterwalk_done(&walk_out, 1, nbytes);
+
+		if (!nbytes)
+			return 0;
+
+		crypto_yield(tfm);
+	}
+}
+
+static void cbc_process(struct crypto_tfm *tfm, u8 *dst, u8 *src,
+			cryptfn_t fn, int enc, void *info, int in_place)
+{
+	u8 *iv = info;
+
+	/* Null encryption */
+	if (!iv)
+		return;
+
+	if (enc) {
+		tfm->crt_u.cipher.cit_xor_block(iv, src);
+		fn(crypto_tfm_ctx(tfm), dst, iv);
+		memcpy(iv, dst, crypto_tfm_alg_blocksize(tfm));
+	} else {
+		u8 stack[in_place ? crypto_tfm_alg_blocksize(tfm) : 0];
+		u8 *buf = in_place ? stack : dst;
+
+		fn(crypto_tfm_ctx(tfm), buf, src);
+		tfm->crt_u.cipher.cit_xor_block(buf, iv);
+		memcpy(iv, src, crypto_tfm_alg_blocksize(tfm));
+		if (buf != dst)
+			memcpy(dst, buf, crypto_tfm_alg_blocksize(tfm));
+	}
+}
+
+static void ecb_process(struct crypto_tfm *tfm, u8 *dst, u8 *src,
+			cryptfn_t fn, int enc, void *info, int in_place)
+{
+	fn(crypto_tfm_ctx(tfm), dst, src);
+}
+
+static int setkey(struct crypto_tfm *tfm, const u8 *key, unsigned int keylen)
+{
+	struct cipher_alg *cia = &tfm->__crt_alg->cra_cipher;
+
+	if (keylen < cia->cia_min_keysize || keylen > cia->cia_max_keysize) {
+		tfm->crt_flags |= CRYPTO_TFM_RES_BAD_KEY_LEN;
+		return -EINVAL;
+	} else
+		return cia->cia_setkey(crypto_tfm_ctx(tfm), key, keylen,
+		                       &tfm->crt_flags);
+}
+
+static int ecb_encrypt(struct crypto_tfm *tfm,
+		       struct scatterlist *dst,
+                       struct scatterlist *src, unsigned int nbytes)
+{
+	return crypt(tfm, dst, src, nbytes,
+	             tfm->__crt_alg->cra_cipher.cia_encrypt,
+	             ecb_process, 1, NULL);
+}
+
+static int ecb_decrypt(struct crypto_tfm *tfm,
+                       struct scatterlist *dst,
+                       struct scatterlist *src,
+		       unsigned int nbytes)
+{
+	return crypt(tfm, dst, src, nbytes,
+	             tfm->__crt_alg->cra_cipher.cia_decrypt,
+	             ecb_process, 1, NULL);
+}
+
+static int cbc_encrypt(struct crypto_tfm *tfm,
+                       struct scatterlist *dst,
+                       struct scatterlist *src,
+		       unsigned int nbytes)
+{
+	return crypt(tfm, dst, src, nbytes,
+	             tfm->__crt_alg->cra_cipher.cia_encrypt,
+	             cbc_process, 1, tfm->crt_cipher.cit_iv);
+}
+
+static int cbc_encrypt_iv(struct crypto_tfm *tfm,
+                          struct scatterlist *dst,
+                          struct scatterlist *src,
+                          unsigned int nbytes, u8 *iv)
+{
+	return crypt(tfm, dst, src, nbytes,
+	             tfm->__crt_alg->cra_cipher.cia_encrypt,
+	             cbc_process, 1, iv);
+}
+
+static int cbc_decrypt(struct crypto_tfm *tfm,
+                       struct scatterlist *dst,
+                       struct scatterlist *src,
+		       unsigned int nbytes)
+{
+	return crypt(tfm, dst, src, nbytes,
+	             tfm->__crt_alg->cra_cipher.cia_decrypt,
+	             cbc_process, 0, tfm->crt_cipher.cit_iv);
+}
+
+static int cbc_decrypt_iv(struct crypto_tfm *tfm,
+                          struct scatterlist *dst,
+                          struct scatterlist *src,
+                          unsigned int nbytes, u8 *iv)
+{
+	return crypt(tfm, dst, src, nbytes,
+	             tfm->__crt_alg->cra_cipher.cia_decrypt,
+	             cbc_process, 0, iv);
+}
+
+static int nocrypt(struct crypto_tfm *tfm,
+                   struct scatterlist *dst,
+                   struct scatterlist *src,
+		   unsigned int nbytes)
+{
+	return -ENOSYS;
+}
+
+static int nocrypt_iv(struct crypto_tfm *tfm,
+                      struct scatterlist *dst,
+                      struct scatterlist *src,
+                      unsigned int nbytes, u8 *iv)
+{
+	return -ENOSYS;
+}
+
+int crypto_init_cipher_flags(struct crypto_tfm *tfm, u32 flags)
+{
+	u32 mode = flags & CRYPTO_TFM_MODE_MASK;
+
+	tfm->crt_cipher.cit_mode = mode ? mode : CRYPTO_TFM_MODE_ECB;
+	if (flags & CRYPTO_TFM_REQ_WEAK_KEY)
+		tfm->crt_flags = CRYPTO_TFM_REQ_WEAK_KEY;
+
+	return 0;
+}
+
+int crypto_init_cipher_ops(struct crypto_tfm *tfm)
+{
+	int ret = 0;
+	struct cipher_tfm *ops = &tfm->crt_cipher;
+
+	ops->cit_setkey = setkey;
+
+	switch (tfm->crt_cipher.cit_mode) {
+	case CRYPTO_TFM_MODE_ECB:
+		ops->cit_encrypt = ecb_encrypt;
+		ops->cit_decrypt = ecb_decrypt;
+		break;
+
+	case CRYPTO_TFM_MODE_CBC:
+		ops->cit_encrypt = cbc_encrypt;
+		ops->cit_decrypt = cbc_decrypt;
+		ops->cit_encrypt_iv = cbc_encrypt_iv;
+		ops->cit_decrypt_iv = cbc_decrypt_iv;
+		break;
+
+	case CRYPTO_TFM_MODE_CFB:
+		ops->cit_encrypt = nocrypt;
+		ops->cit_decrypt = nocrypt;
+		ops->cit_encrypt_iv = nocrypt_iv;
+		ops->cit_decrypt_iv = nocrypt_iv;
+		break;
+
+	case CRYPTO_TFM_MODE_CTR:
+		ops->cit_encrypt = nocrypt;
+		ops->cit_decrypt = nocrypt;
+		ops->cit_encrypt_iv = nocrypt_iv;
+		ops->cit_decrypt_iv = nocrypt_iv;
+		break;
+
+	default:
+		BUG();
+	}
+
+	if (ops->cit_mode == CRYPTO_TFM_MODE_CBC) {
+
+	    	switch (crypto_tfm_alg_blocksize(tfm)) {
+	    	case 8:
+	    		ops->cit_xor_block = xor_64;
+	    		break;
+
+	    	case 16:
+	    		ops->cit_xor_block = xor_128;
+	    		break;
+
+	    	default:
+	    		printk(KERN_WARNING "%s: block size %u not supported\n",
+	    		       crypto_tfm_alg_name(tfm),
+	    		       crypto_tfm_alg_blocksize(tfm));
+	    		ret = -EINVAL;
+	    		goto out;
+	    	}
+
+		ops->cit_ivsize = crypto_tfm_alg_blocksize(tfm);
+	    	ops->cit_iv = kmalloc(ops->cit_ivsize, GFP_KERNEL);
+		if (ops->cit_iv == NULL)
+			ret = -ENOMEM;
+	}
+
+out:
+	return ret;
+}
+
+void crypto_exit_cipher_ops(struct crypto_tfm *tfm)
+{
+	if (tfm->crt_cipher.cit_iv)
+		kfree(tfm->crt_cipher.cit_iv);
+}

drivers/staging/rtl8192e/ieee80211/compress.c

+/*
+ * Cryptographic API.
+ *
+ * Compression operations.
+ *
+ * Copyright (c) 2002 James Morris <jmorris@intercode.com.au>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the Free
+ * Software Foundation; either version 2 of the License, or (at your option)
+ * any later version.
+ *
+ */
+#include <linux/types.h>
+//#include <linux/crypto.h>
+#include "rtl_crypto.h"
+#include <linux/errno.h>
+#include <asm/scatterlist.h>
+#include <linux/string.h>
+#include "internal.h"
+
+static int crypto_compress(struct crypto_tfm *tfm,
+                            const u8 *src, unsigned int slen,
+                            u8 *dst, unsigned int *dlen)
+{
+	return tfm->__crt_alg->cra_compress.coa_compress(crypto_tfm_ctx(tfm),
+	                                                 src, slen, dst,
+	                                                 dlen);
+}
+
+static int crypto_decompress(struct crypto_tfm *tfm,
+                             const u8 *src, unsigned int slen,
+                             u8 *dst, unsigned int *dlen)
+{
+	return tfm->__crt_alg->cra_compress.coa_decompress(crypto_tfm_ctx(tfm),
+	                                                   src, slen, dst,
+	                                                   dlen);
+}
+
+int crypto_init_compress_flags(struct crypto_tfm *tfm, u32 flags)
+{
+	return flags ? -EINVAL : 0;
+}
+
+int crypto_init_compress_ops(struct crypto_tfm *tfm)
+{
+	int ret = 0;
+	struct compress_tfm *ops = &tfm->crt_compress;
+
+	ret = tfm->__crt_alg->cra_compress.coa_init(crypto_tfm_ctx(tfm));
+	if (ret)
+		goto out;
+
+	ops->cot_compress = crypto_compress;
+	ops->cot_decompress = crypto_decompress;
+
+out:
+	return ret;
+}
+
+void crypto_exit_compress_ops(struct crypto_tfm *tfm)
+{
+	tfm->__crt_alg->cra_compress.coa_exit(crypto_tfm_ctx(tfm));
+}

drivers/staging/rtl8192e/ieee80211/crypto_compat.h

+/*
+ * Header file to maintain compatibility among different kernel versions.
+ *
+ * Copyright (c) 2004-2006  <lawrence_wang@realsil.com.cn>
+ *
+ * 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.
+ */
+
+#include <linux/crypto.h>
+
+static inline int crypto_cipher_encrypt(struct crypto_tfm *tfm,
+                                        struct scatterlist *dst,
+                                        struct scatterlist *src,
+                                        unsigned int nbytes)
+{
+	BUG_ON(crypto_tfm_alg_type(tfm) != CRYPTO_ALG_TYPE_CIPHER);
+	return tfm->crt_cipher.cit_encrypt(tfm, dst, src, nbytes);
+}
+
+
+static inline int crypto_cipher_decrypt(struct crypto_tfm *tfm,
+                                        struct scatterlist *dst,
+                                        struct scatterlist *src,
+                                        unsigned int nbytes)
+{
+	BUG_ON(crypto_tfm_alg_type(tfm) != CRYPTO_ALG_TYPE_CIPHER);
+	return tfm->crt_cipher.cit_decrypt(tfm, dst, src, nbytes);
+}
+
+#if 0
+/*
+ *	crypto_free_tfm - Free crypto transform
+ *	@tfm: Transform to free
+ *
+ *	crypto_free_tfm() frees up the transform and any associated resources,
+ *	then drops the refcount on the associated algorithm.
+ */
+void crypto_free_tfm(struct crypto_tfm *tfm)
+{
+	struct crypto_alg *alg;
+	int size;
+
+	if (unlikely(!tfm))
+		return;
+
+	alg = tfm->__crt_alg;
+	size = sizeof(*tfm) + alg->cra_ctxsize;
+
+	if (alg->cra_exit)
+		alg->cra_exit(tfm);
+	crypto_exit_ops(tfm);
+	crypto_mod_put(alg);
+	memset(tfm, 0, size);
+	kfree(tfm);
+}
+
+#endif
+#if 1
+ struct crypto_tfm *crypto_alloc_tfm(const char *name, u32 flags)
+{
+	struct crypto_tfm *tfm = NULL;
+	int err;
+	printk("call crypto_alloc_tfm!!!\n");
+	do {
+		struct crypto_alg *alg;
+
+		alg = crypto_alg_mod_lookup(name, 0, CRYPTO_ALG_ASYNC);
+		err = PTR_ERR(alg);
+		if (IS_ERR(alg))
+			continue;
+
+		tfm = __crypto_alloc_tfm(alg, flags);
+		err = 0;
+		if (IS_ERR(tfm)) {
+			crypto_mod_put(alg);
+			err = PTR_ERR(tfm);
+			tfm = NULL;
+		}
+	} while (err == -EAGAIN && !signal_pending(current));
+
+	return tfm;
+}
+#endif
+//EXPORT_SYMBOL_GPL(crypto_alloc_tfm);
+//EXPORT_SYMBOL_GPL(crypto_free_tfm);
+
+

drivers/staging/rtl8192e/ieee80211/digest.c

+/*
+ * Cryptographic API.
+ *
+ * Digest operations.
+ *
+ * Copyright (c) 2002 James Morris <jmorris@intercode.com.au>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the Free
+ * Software Foundation; either version 2 of the License, or (at your option)
+ * any later version.
+ *
+ */
+//#include <linux/crypto.h>
+#include "rtl_crypto.h"
+#include <linux/mm.h>
+#include <linux/errno.h>
+#include <linux/highmem.h>
+#include <asm/scatterlist.h>
+#include "internal.h"
+
+static void init(struct crypto_tfm *tfm)
+{
+	tfm->__crt_alg->cra_digest.dia_init(crypto_tfm_ctx(tfm));
+}
+
+static void update(struct crypto_tfm *tfm,
+                   struct scatterlist *sg, unsigned int nsg)
+{
+	unsigned int i;
+
+	for (i = 0; i < nsg; i++) {
+
+		struct page *pg = sg[i].page;
+		unsigned int offset = sg[i].offset;
+		unsigned int l = sg[i].length;
+
+		do {
+			unsigned int bytes_from_page = min(l, ((unsigned int)
+							   (PAGE_SIZE)) -
+							   offset);
+			char *p = crypto_kmap(pg, 0) + offset;
+
+			tfm->__crt_alg->cra_digest.dia_update
+					(crypto_tfm_ctx(tfm), p,
+					 bytes_from_page);
+			crypto_kunmap(p, 0);
+			crypto_yield(tfm);
+			offset = 0;
+			pg++;
+			l -= bytes_from_page;
+		} while (l > 0);
+	}
+}
+
+static void final(struct crypto_tfm *tfm, u8 *out)
+{
+	tfm->__crt_alg->cra_digest.dia_final(crypto_tfm_ctx(tfm), out);
+}
+
+static int setkey(struct crypto_tfm *tfm, const u8 *key, unsigned int keylen)
+{
+	u32 flags;
+	if (tfm->__crt_alg->cra_digest.dia_setkey == NULL)
+		return -ENOSYS;
+	return tfm->__crt_alg->cra_digest.dia_setkey(crypto_tfm_ctx(tfm),
+						     key, keylen, &flags);
+}
+
+static void digest(struct crypto_tfm *tfm,
+                   struct scatterlist *sg, unsigned int nsg, u8 *out)
+{
+	unsigned int i;
+
+	tfm->crt_digest.dit_init(tfm);
+
+	for (i = 0; i < nsg; i++) {
+		char *p = crypto_kmap(sg[i].page, 0) + sg[i].offset;
+		tfm->__crt_alg->cra_digest.dia_update(crypto_tfm_ctx(tfm),
+		                                      p, sg[i].length);
+		crypto_kunmap(p, 0);
+		crypto_yield(tfm);
+	}
+	crypto_digest_final(tfm, out);
+}
+
+int crypto_init_digest_flags(struct crypto_tfm *tfm, u32 flags)
+{
+	return flags ? -EINVAL : 0;
+}
+
+int crypto_init_digest_ops(struct crypto_tfm *tfm)
+{
+	struct digest_tfm *ops = &tfm->crt_digest;
+
+	ops->dit_init	= init;
+	ops->dit_update	= update;
+	ops->dit_final	= final;
+	ops->dit_digest	= digest;
+	ops->dit_setkey	= setkey;
+
+	return crypto_alloc_hmac_block(tfm);
+}
+
+void crypto_exit_digest_ops(struct crypto_tfm *tfm)
+{
+	crypto_free_hmac_block(tfm);
+}

drivers/staging/rtl8192e/ieee80211/dot11d.c

+#ifdef ENABLE_DOT11D
+//-----------------------------------------------------------------------------
+//	File:
+//		Dot11d.c
+//
+//	Description:
+//		Implement 802.11d.
+//
+//-----------------------------------------------------------------------------
+
+#include "dot11d.h"
+
+void
+Dot11d_Init(struct ieee80211_device *ieee)
+{
+	PRT_DOT11D_INFO pDot11dInfo = GET_DOT11D_INFO(ieee);
+
+	pDot11dInfo->bEnabled = 0;
+
+	pDot11dInfo->State = DOT11D_STATE_NONE;
+	pDot11dInfo->CountryIeLen = 0;
+	memset(pDot11dInfo->channel_map, 0, MAX_CHANNEL_NUMBER+1);
+	memset(pDot11dInfo->MaxTxPwrDbmList, 0xFF, MAX_CHANNEL_NUMBER+1);
+	RESET_CIE_WATCHDOG(ieee);
+
+	printk("Dot11d_Init()\n");
+}
+
+//
+//	Description:
+//		Reset to the state as we are just entering a regulatory domain.
+//
+void
+Dot11d_Reset(struct ieee80211_device *ieee)
+{
+	u32 i;
+	PRT_DOT11D_INFO pDot11dInfo = GET_DOT11D_INFO(ieee);
+#if 0
+	if(!pDot11dInfo->bEnabled)
+		return;
+#endif
+	// Clear old channel map
+	memset(pDot11dInfo->channel_map, 0, MAX_CHANNEL_NUMBER+1);
+	memset(pDot11dInfo->MaxTxPwrDbmList, 0xFF, MAX_CHANNEL_NUMBER+1);
+	// Set new channel map
+	for (i=1; i<=11; i++) {
+		(pDot11dInfo->channel_map)[i] = 1;
+	}
+	for (i=12; i<=14; i++) {
+		(pDot11dInfo->channel_map)[i] = 2;
+	}
+
+	pDot11dInfo->State = DOT11D_STATE_NONE;
+	pDot11dInfo->CountryIeLen = 0;
+	RESET_CIE_WATCHDOG(ieee);
+
+	//printk("Dot11d_Reset()\n");
+}
+
+//
+//	Description:
+//		Update country IE from Beacon or Probe Resopnse
+//		and configure PHY for operation in the regulatory domain.
+//
+//	TODO:
+//		Configure Tx power.
+//
+//	Assumption:
+//		1. IS_DOT11D_ENABLE() is TRUE.
+//		2. Input IE is an valid one.
+//
+void
+Dot11d_UpdateCountryIe(
+	struct ieee80211_device *dev,
+	u8 *		pTaddr,
+	u16	CoutryIeLen,
+	u8 * pCoutryIe
+	)
+{
+	PRT_DOT11D_INFO pDot11dInfo = GET_DOT11D_INFO(dev);
+	u8 i, j, NumTriples, MaxChnlNum;
+	PCHNL_TXPOWER_TRIPLE pTriple;
+
+	memset(pDot11dInfo->channel_map, 0, MAX_CHANNEL_NUMBER+1);
+	memset(pDot11dInfo->MaxTxPwrDbmList, 0xFF, MAX_CHANNEL_NUMBER+1);
+	MaxChnlNum = 0;
+	NumTriples = (CoutryIeLen - 3) / 3; // skip 3-byte country string.
+	pTriple = (PCHNL_TXPOWER_TRIPLE)(pCoutryIe + 3);
+	for(i = 0; i < NumTriples; i++)
+	{
+		if(MaxChnlNum >= pTriple->FirstChnl)
+		{ // It is not in a monotonically increasing order, so stop processing.
+			printk("Dot11d_UpdateCountryIe(): Invalid country IE, skip it........1\n");
+			return;
+		}
+		if(MAX_CHANNEL_NUMBER < (pTriple->FirstChnl + pTriple->NumChnls))
+		{ // It is not a valid set of channel id, so stop processing.
+			printk("Dot11d_UpdateCountryIe(): Invalid country IE, skip it........2\n");
+			return;
+		}
+
+		for(j = 0 ; j < pTriple->NumChnls; j++)
+		{
+			pDot11dInfo->channel_map[pTriple->FirstChnl + j] = 1;
+			pDot11dInfo->MaxTxPwrDbmList[pTriple->FirstChnl + j] = pTriple->MaxTxPowerInDbm;
+			MaxChnlNum = pTriple->FirstChnl + j;
+		}
+
+		pTriple = (PCHNL_TXPOWER_TRIPLE)((u8*)pTriple + 3);
+	}
+#if 1
+	//printk("Dot11d_UpdateCountryIe(): Channel List:\n");
+	printk("Channel List:");
+	for(i=1; i<= MAX_CHANNEL_NUMBER; i++)
+		if(pDot11dInfo->channel_map[i] > 0)
+			printk(" %d", i);
+	printk("\n");
+#endif
+
+	UPDATE_CIE_SRC(dev, pTaddr);
+
+	pDot11dInfo->CountryIeLen = CoutryIeLen;
+	memcpy(pDot11dInfo->CountryIeBuf, pCoutryIe,CoutryIeLen);
+	pDot11dInfo->State = DOT11D_STATE_LEARNED;
+}
+
+
+u8
+DOT11D_GetMaxTxPwrInDbm(
+	struct ieee80211_device *dev,
+	u8 Channel
+	)
+{
+	PRT_DOT11D_INFO pDot11dInfo = GET_DOT11D_INFO(dev);
+	u8 MaxTxPwrInDbm = 255;
+
+	if(MAX_CHANNEL_NUMBER < Channel)
+	{
+		printk("DOT11D_GetMaxTxPwrInDbm(): Invalid Channel\n");
+		return MaxTxPwrInDbm;
+	}
+	if(pDot11dInfo->channel_map[Channel])
+	{
+		MaxTxPwrInDbm = pDot11dInfo->MaxTxPwrDbmList[Channel];
+	}
+
+	return MaxTxPwrInDbm;
+}
+
+
+void
+DOT11D_ScanComplete(
+	struct ieee80211_device * dev
+	)
+{
+	PRT_DOT11D_INFO pDot11dInfo = GET_DOT11D_INFO(dev);
+
+	switch(pDot11dInfo->State)
+	{
+	case DOT11D_STATE_LEARNED:
+		pDot11dInfo->State = DOT11D_STATE_DONE;
+		break;
+
+	case DOT11D_STATE_DONE:
+		if( GET_CIE_WATCHDOG(dev) == 0 )
+		{ // Reset country IE if previous one is gone.
+			Dot11d_Reset(dev);
+		}
+		break;
+	case DOT11D_STATE_NONE:
+		break;
+	}
+}
+
+int IsLegalChannel(
+	struct ieee80211_device * dev,
+	u8 channel
+)
+{
+	PRT_DOT11D_INFO pDot11dInfo = GET_DOT11D_INFO(dev);
+
+	if(MAX_CHANNEL_NUMBER < channel)
+	{
+		printk("IsLegalChannel(): Invalid Channel\n");
+		return 0;
+	}
+	if(pDot11dInfo->channel_map[channel] > 0)
+		return 1;
+	return 0;
+}
+
+int ToLegalChannel(
+	struct ieee80211_device * dev,
+	u8 channel
+)
+{
+	PRT_DOT11D_INFO pDot11dInfo = GET_DOT11D_INFO(dev);
+	u8 default_chn = 0;
+	u32 i = 0;
+
+	for (i=1; i<= MAX_CHANNEL_NUMBER; i++)
+	{
+		if(pDot11dInfo->channel_map[i] > 0)
+		{
+			default_chn = i;
+			break;
+		}
+	}
+
+	if(MAX_CHANNEL_NUMBER < channel)
+	{
+		printk("IsLegalChannel(): Invalid Channel\n");
+		return default_chn;
+	}
+
+	if(pDot11dInfo->channel_map[channel] > 0)
+		return channel;
+
+	return default_chn;
+}
+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
+//EXPORT_SYMBOL(Dot11d_Init);
+//EXPORT_SYMBOL(Dot11d_Reset);
+//EXPORT_SYMBOL(Dot11d_UpdateCountryIe);
+//EXPORT_SYMBOL(DOT11D_GetMaxTxPwrInDbm);
+//EXPORT_SYMBOL(DOT11D_ScanComplete);
+//EXPORT_SYMBOL(IsLegalChannel);
+//EXPORT_SYMBOL(ToLegalChannel);
+#else
+EXPORT_SYMBOL_NOVERS(Dot11d_Init);
+EXPORT_SYMBOL_NOVERS(Dot11d_Reset);
+EXPORT_SYMBOL_NOVERS(Dot11d_UpdateCountryIe);
+EXPORT_SYMBOL_NOVERS(DOT11D_GetMaxTxPwrInDbm);
+EXPORT_SYMBOL_NOVERS(DOT11D_ScanComplete);
+EXPORT_SYMBOL_NOVERS(IsLegalChannel);
+EXPORT_SYMBOL_NOVERS(ToLegalChannel);
+#endif
+
+#endif

drivers/staging/rtl8192e/ieee80211/dot11d.h

+#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

drivers/staging/rtl8192e/ieee80211/kmap_types.h

+#ifndef __KMAP_TYPES_H
+
+#define __KMAP_TYPES_H
+
+
+enum km_type {
+	KM_BOUNCE_READ,
+	KM_SKB_SUNRPC_DATA,
+	KM_SKB_DATA_SOFTIRQ,
+	KM_USER0,
+	KM_USER1,
+	KM_BH_IRQ,
+	KM_SOFTIRQ0,
+	KM_SOFTIRQ1,
+	KM_TYPE_NR
+};
+
+#define _ASM_KMAP_TYPES_H
+
+#endif

drivers/staging/rtl8192e/ieee80211/rtl819x_TS.h

+#ifndef _TSTYPE_H_
+#define _TSTYPE_H_
+#include "rtl819x_Qos.h"
+#define TS_SETUP_TIMEOUT	60  // In millisecond
+#define TS_INACT_TIMEOUT	60
+#define TS_ADDBA_DELAY		60
+
+#define TOTAL_TS_NUM		16
+#define TCLAS_NUM		4
+
+// This define the Tx/Rx directions
+typedef enum _TR_SELECT {
+	TX_DIR = 0,
+	RX_DIR = 1,
+} TR_SELECT, *PTR_SELECT;
+
+typedef struct _TS_COMMON_INFO{
+	struct list_head		List;
+	struct timer_list		SetupTimer;
+	struct timer_list		InactTimer;
+	u8				Addr[6];
+	TSPEC_BODY			TSpec;
+	QOS_TCLAS			TClass[TCLAS_NUM];
+	u8				TClasProc;
+	u8				TClasNum;
+} TS_COMMON_INFO, *PTS_COMMON_INFO;
+
+typedef struct _TX_TS_RECORD{
+	TS_COMMON_INFO		TsCommonInfo;
+	u16				TxCurSeq;
+	BA_RECORD			TxPendingBARecord;  	// For BA Originator
+	BA_RECORD			TxAdmittedBARecord;	// For BA Originator
+//	QOS_DL_RECORD		DLRecord;
+	u8				bAddBaReqInProgress;
+	u8				bAddBaReqDelayed;
+	u8				bUsingBa;
+	struct timer_list		TsAddBaTimer;
+	u8				num;
+} TX_TS_RECORD, *PTX_TS_RECORD;
+
+typedef struct _RX_TS_RECORD {
+	TS_COMMON_INFO		TsCommonInfo;
+	u16				RxIndicateSeq;
+	u16				RxTimeoutIndicateSeq;
+	struct list_head		RxPendingPktList;
+	struct timer_list		RxPktPendingTimer;
+	BA_RECORD			RxAdmittedBARecord;	 // For BA Recepient
+	u16				RxLastSeqNum;
+	u8				RxLastFragNum;
+	u8				num;
+//	QOS_DL_RECORD		DLRecord;
+} RX_TS_RECORD, *PRX_TS_RECORD;
+
+
+#endif
+