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, 196 insertions, 0 deletions

diff --git a/drivers/staging/rtl8712/rtl871x_security.h b/drivers/staging/rtl8712/rtl871x_security.h
new file mode 100644
index 000000000000..782b70a352fb
--- /dev/null
+++ b/drivers/staging/rtl8712/rtl871x_security.h
@@ -0,0 +1,196 @@
+#ifndef __RTL871X_SECURITY_H_
+#define __RTL871X_SECURITY_H_
+
+#include "osdep_service.h"
+#include "drv_types.h"
+
+#define _NO_PRIVACY_	0x0
+#define _WEP40_		0x1
+#define _TKIP_		0x2
+#define _TKIP_WTMIC_	0x3
+#define _AES_		0x4
+#define _WEP104_	0x5
+
+#define _WPA_IE_ID_	0xdd
+#define _WPA2_IE_ID_	0x30
+
+#ifndef Ndis802_11AuthModeWPA2
+#define Ndis802_11AuthModeWPA2 (Ndis802_11AuthModeWPANone + 1)
+#endif
+
+#ifndef Ndis802_11AuthModeWPA2PSK
+#define Ndis802_11AuthModeWPA2PSK (Ndis802_11AuthModeWPANone + 2)
+#endif
+union pn48 {
+	u64 val;
+#if defined(__BIG_ENDIAN)
+struct {
+  u8 TSC7;
+  u8 TSC6;
+  u8 TSC5;
+  u8 TSC4;
+  u8 TSC3;
+  u8 TSC2;
+  u8 TSC1;
+  u8 TSC0;
+} _byte_;
+#else
+struct {
+  u8 TSC0;
+  u8 TSC1;
+  u8 TSC2;
+  u8 TSC3;
+  u8 TSC4;
+  u8 TSC5;
+  u8 TSC6;
+  u8 TSC7;
+} _byte_;
+#endif
+};
+
+union Keytype {
+	u8 skey[16];
+	u32 lkey[4];
+};
+
+struct RT_PMKID_LIST {
+	u8 bUsed;
+	u8 Bssid[6];
+	u8 PMKID[16];
+	u8 SsidBuf[33];
+	u8 *ssid_octet;
+	u16 ssid_length;
+};
+
+struct security_priv {
+	u32 AuthAlgrthm;		/* 802.11 auth, could be open, shared,
+					 * 8021x and authswitch */
+	u32 PrivacyAlgrthm;		/* This specify the privacy for shared
+					 * auth. algorithm. */
+	u32 PrivacyKeyIndex;		/* this is only valid for legendary
+					 * wep, 0~3 for key id. */
+	union Keytype DefKey[4];	/* this is only valid for def. key */
+	u32 DefKeylen[4];
+	u32 XGrpPrivacy;		/* This specify the privacy algthm.
+					 * used for Grp key */
+	u32 XGrpKeyid;			/* key id used for Grp Key */
+	union Keytype	XGrpKey[2];	/* 802.1x Group Key, for
+					 * inx0 and inx1 */
+	union Keytype	XGrptxmickey[2];
+	union Keytype	XGrprxmickey[2];
+	union pn48 Grptxpn;		/* PN48 used for Grp Key xmit. */
+	union pn48 Grprxpn;		/* PN48 used for Grp Key recv. */
+	u8 wps_hw_pbc_pressed;/*for hw pbc pressed*/
+	u8 wps_phase;/*for wps*/
+	u8 wps_ie[MAX_WPA_IE_LEN<<2];
+	int wps_ie_len;
+	u8	binstallGrpkey;
+	u8	busetkipkey;
+	struct timer_list tkip_timer;
+	u8	bcheck_grpkey;
+	u8	bgrpkey_handshake;
+	s32	sw_encrypt;	/* from registry_priv */
+	s32	sw_decrypt;	/* from registry_priv */
+	s32	hw_decrypted;	/* if the rx packets is hw_decrypted==false,
+				 * it means the hw has not been ready. */
+	u32 ndisauthtype;	/* keeps the auth_type & enc_status from upper
+				 * layer ioctl(wpa_supplicant or wzc) */
+	u32 ndisencryptstatus;
+	struct wlan_bssid_ex sec_bss;  /* for joinbss (h2c buffer) usage */
+	struct NDIS_802_11_WEP ndiswep;
+	u8 assoc_info[600];
+	u8 szofcapability[256]; /* for wpa2 usage */
+	u8 oidassociation[512]; /* for wpa/wpa2 usage */
+	u8 authenticator_ie[256];  /* store ap security information element */
+	u8 supplicant_ie[256];  /* store sta security information element */
+	/* for tkip countermeasure */
+	u32 last_mic_err_time;
+	u8	btkip_countermeasure;
+	u8	btkip_wait_report;
+	u32 btkip_countermeasure_time;
+	/*-------------------------------------------------------------------
+	 * For WPA2 Pre-Authentication.
+	 *------------------------------------------------------------------ */
+	struct RT_PMKID_LIST		PMKIDList[NUM_PMKID_CACHE];
+	u8				PMKIDIndex;
+};
+
+#define GET_ENCRY_ALGO(psecuritypriv, psta, encry_algo, bmcst) \
+do { \
+	switch (psecuritypriv->AuthAlgrthm) { \
+	case 0: \
+	case 1: \
+	case 3: \
+		encry_algo = (u8)psecuritypriv->PrivacyAlgrthm; \
+		break; \
+	case 2: \
+		if (bmcst) \
+			encry_algo = (u8)psecuritypriv->XGrpPrivacy; \
+		else \
+			encry_algo = (u8)psta->XPrivacy; \
+		break; \
+	} \
+} while (0)
+#define SET_ICE_IV_LEN(iv_len, icv_len, encrypt)\
+do {\
+	switch (encrypt) { \
+	case _WEP40_: \
+	case _WEP104_: \
+		iv_len = 4; \
+		icv_len = 4; \
+		break; \
+	case _TKIP_: \
+		iv_len = 8; \
+		icv_len = 4; \
+		break; \
+	case _AES_: \
+		iv_len = 8; \
+		icv_len = 8; \
+		break; \
+	default: \
+		iv_len = 0; \
+		icv_len = 0; \
+		break; \
+	} \
+} while (0)
+#define GET_TKIP_PN(iv, txpn) \
+do {\
+	txpn._byte_.TSC0 = iv[2];\
+	txpn._byte_.TSC1 = iv[0];\
+	txpn._byte_.TSC2 = iv[4];\
+	txpn._byte_.TSC3 = iv[5];\
+	txpn._byte_.TSC4 = iv[6];\
+	txpn._byte_.TSC5 = iv[7];\
+} while (0)
+
+#define ROL32(A, n) (((A) << (n)) | (((A)>>(32-(n)))  & ((1UL << (n)) - 1)))
+#define ROR32(A, n) ROL32((A), 32 - (n))
+
+struct mic_data {
+	u32  K0, K1;         /* Key */
+	u32  L, R;           /* Current state */
+	u32  M;              /* Message accumulator (single word) */
+	u32  nBytesInM;      /* # bytes in M */
+};
+
+void seccalctkipmic(
+	u8 *key,
+	u8 *header,
+	u8 *data,
+	u32 data_len,
+	u8 *Miccode,
+	u8   priority);
+
+void r8712_secmicsetkey(struct mic_data *pmicdata, u8 * key);
+void r8712_secmicappend(struct mic_data *pmicdata, u8 * src, u32 nBytes);
+void r8712_secgetmic(struct mic_data *pmicdata, u8 * dst);
+u32 r8712_aes_encrypt(struct _adapter *padapter, u8 *pxmitframe);
+u32 r8712_tkip_encrypt(struct _adapter *padapter, u8 *pxmitframe);
+void r8712_wep_encrypt(struct _adapter *padapter, u8  *pxmitframe);
+u32 r8712_aes_decrypt(struct _adapter *padapter, u8  *precvframe);
+u32 r8712_tkip_decrypt(struct _adapter *padapter, u8  *precvframe);
+void r8712_wep_decrypt(struct _adapter *padapter, u8  *precvframe);
+void r8712_use_tkipkey_handler(void *FunctionContext);
+
+#endif	/*__RTL871X_SECURITY_H_ */
+