staging: r8712u: Add the new driver to the mainline kernel

This code is for a completely new version of the Realtek 8192 USB devices
such as the D-Link DWA-130. The Realtek code, which was originally for
Linux, Windows XP and Windows CE, has been stripped of all code not needed
for Linux. In addition, only one additional configuration variable, which
enables AP mode, remains.

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Florian Schilhabel <florian.c.schilhabel@googlemail.com>
Tested-by: Frederic Leroy <fredo@starox.org>

1 files changed, 106 insertions, 0 deletions

diff --git a/drivers/staging/rtl8712/swab.h b/drivers/staging/rtl8712/swab.h
new file mode 100644
index 00000000000..44709a91baf
--- /dev/null
+++ b/drivers/staging/rtl8712/swab.h
@@ -0,0 +1,106 @@
+#ifndef _LINUX_BYTEORDER_SWAB_H
+#define _LINUX_BYTEORDER_SWAB_H
+
+#ifndef __u16
+ #define __u16 unsigned short
+#endif
+
+#ifndef __u32
+ #define __u32 unsigned int
+#endif
+
+#ifndef __u8
+ #define __u8 unsigned char
+#endif
+
+#ifndef __u64
+ #define __u64 unsigned long long
+#endif
+
+
+static inline __u16  ___swab16(__u16 x)
+{
+	__u16 __x = x;
+	return (__u16)(
+		(((__u16)(__x) & (__u16)0x00ffU) << 8) |
+		(((__u16)(__x) & (__u16)0xff00U) >> 8));
+
+}
+
+static inline __u32  ___swab32(__u32 x)
+{
+	__u32 __x = (x);
+	return (__u32)(
+		(((__u32)(__x) & (__u32)0x000000ffUL) << 24) |
+		(((__u32)(__x) & (__u32)0x0000ff00UL) <<  8) |
+		(((__u32)(__x) & (__u32)0x00ff0000UL) >>  8) |
+		(((__u32)(__x) & (__u32)0xff000000UL) >> 24));
+}
+
+static inline __u64  ___swab64(__u64 x)
+{
+	__u64 __x = (x);
+
+	return (__u64)( \
+		(__u64)(((__u64)(__x) & (__u64)0x00000000000000ffULL) << 56) | \
+		(__u64)(((__u64)(__x) & (__u64)0x000000000000ff00ULL) << 40) | \
+		(__u64)(((__u64)(__x) & (__u64)0x0000000000ff0000ULL) << 24) | \
+		(__u64)(((__u64)(__x) & (__u64)0x00000000ff000000ULL) <<  8) | \
+		(__u64)(((__u64)(__x) & (__u64)0x000000ff00000000ULL) >>  8) | \
+		(__u64)(((__u64)(__x) & (__u64)0x0000ff0000000000ULL) >> 24) | \
+		(__u64)(((__u64)(__x) & (__u64)0x00ff000000000000ULL) >> 40) | \
+		(__u64)(((__u64)(__x) & (__u64)0xff00000000000000ULL) >> 56));
+}
+
+#ifndef __arch__swab16
+static inline __u16 __arch__swab16(__u16 x)
+{
+	return ___swab16(x);
+}
+
+#endif
+
+#ifndef __arch__swab32
+static inline __u32 __arch__swab32(__u32 x)
+{
+	__u32 __tmp = (x) ;
+	return ___swab32(__tmp);
+}
+#endif
+
+#ifndef __arch__swab64
+
+static inline __u64 __arch__swab64(__u64 x)
+{
+	__u64 __tmp = (x) ;
+	return ___swab64(__tmp);
+}
+
+
+#endif
+
+#define __swab16(x) __fswab16(x)
+#define __swab32(x) __fswab32(x)
+#define __swab64(x) __fswab64(x)
+
+static inline const __u16 __fswab16(__u16 x)
+{
+	return __arch__swab16(x);
+}
+static inline const __u32 __fswab32(__u32 x)
+{
+	return __arch__swab32(x);
+}
+
+#define swab16 __swab16
+#define swab32 __swab32
+#define swab64 __swab64
+#define swab16p __swab16p
+#define swab32p __swab32p
+#define swab64p __swab64p
+#define swab16s __swab16s
+#define swab32s __swab32s
+#define swab64s __swab64s
+
+#endif /* _LINUX_BYTEORDER_SWAB_H */
+