[deliverable/linux.git] / drivers / staging / rtl8712 / rtl871x_security.h

/******************************************************************************
 *
 * Copyright(c) 2007 - 2010 Realtek Corporation. All rights reserved.
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of version 2 of the GNU General Public License as
 * published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
 * more details.
 *
 * You should have received a copy of the GNU General Public License along with
 * this program; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
 *
 * Modifications for inclusion into the Linux staging tree are
 * Copyright(c) 2010 Larry Finger. All rights reserved.
 *
 * Contact information:
 * WLAN FAE <wlanfae@realtek.com>
 * Larry Finger <Larry.Finger@lwfinger.net>
 *
 ******************************************************************************/
#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(unsigned long data);

#endif	/*__RTL871X_SECURITY_H_ */
Commit	Line	Data
0e54f609 AB	1	/******************************************************************************
	2	*
	3	* Copyright(c) 2007 - 2010 Realtek Corporation. All rights reserved.
	4	*
	5	* This program is free software; you can redistribute it and/or modify it
	6	* under the terms of version 2 of the GNU General Public License as
	7	* published by the Free Software Foundation.
	8	*
	9	* This program is distributed in the hope that it will be useful, but WITHOUT
	10	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
	11	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
	12	* more details.
	13	*
	14	* You should have received a copy of the GNU General Public License along with
	15	* this program; if not, write to the Free Software Foundation, Inc.,
	16	* 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
	17	*
b4f6209d AB	18	* Modifications for inclusion into the Linux staging tree are
	19	* Copyright(c) 2010 Larry Finger. All rights reserved.
	20	*
	21	* Contact information:
	22	* WLAN FAE <wlanfae@realtek.com>
	23	* Larry Finger <Larry.Finger@lwfinger.net>
0e54f609 AB	24	*
0e54f609 AB	25	******************************************************************************/
2865d42c LF	26	#ifndef __RTL871X_SECURITY_H_
	27	#define __RTL871X_SECURITY_H_
	28
	29	#include "osdep_service.h"
	30	#include "drv_types.h"
	31
	32	#define _NO_PRIVACY_ 0x0
	33	#define _WEP40_ 0x1
	34	#define _TKIP_ 0x2
	35	#define _TKIP_WTMIC_ 0x3
	36	#define _AES_ 0x4
	37	#define _WEP104_ 0x5
	38
	39	#define _WPA_IE_ID_ 0xdd
	40	#define _WPA2_IE_ID_ 0x30
	41
	42	#ifndef Ndis802_11AuthModeWPA2
	43	#define Ndis802_11AuthModeWPA2 (Ndis802_11AuthModeWPANone + 1)
	44	#endif
	45
	46	#ifndef Ndis802_11AuthModeWPA2PSK
	47	#define Ndis802_11AuthModeWPA2PSK (Ndis802_11AuthModeWPANone + 2)
	48	#endif
0593758e	49
2865d42c LF	50	union pn48 {
	51	u64 val;
	52	#if defined(__BIG_ENDIAN)
0593758e JM	53	struct {
	54	u8 TSC7;
	55	u8 TSC6;
	56	u8 TSC5;
	57	u8 TSC4;
	58	u8 TSC3;
	59	u8 TSC2;
	60	u8 TSC1;
	61	u8 TSC0;
	62	} _byte_;
2865d42c	63	#else
0593758e JM	64	struct {
	65	u8 TSC0;
	66	u8 TSC1;
	67	u8 TSC2;
	68	u8 TSC3;
	69	u8 TSC4;
	70	u8 TSC5;
	71	u8 TSC6;
	72	u8 TSC7;
	73	} _byte_;
2865d42c LF	74	#endif
	75	};
	76
	77	union Keytype {
	78	u8 skey[16];
	79	u32 lkey[4];
	80	};
	81
	82	struct RT_PMKID_LIST {
	83	u8 bUsed;
	84	u8 Bssid[6];
	85	u8 PMKID[16];
	86	u8 SsidBuf[33];
	87	u8 *ssid_octet;
	88	u16 ssid_length;
	89	};
	90
	91	struct security_priv {
	92	u32 AuthAlgrthm; /* 802.11 auth, could be open, shared,
bef611a9 RB	93	* 8021x and authswitch
bef611a9 RB	94	*/
2865d42c	95	u32 PrivacyAlgrthm; /* This specify the privacy for shared
bef611a9 RB	96	* auth. algorithm.
bef611a9 RB	97	*/
2865d42c	98	u32 PrivacyKeyIndex; /* this is only valid for legendary
bef611a9 RB	99	* wep, 0~3 for key id.
bef611a9 RB	100	*/
2865d42c LF	101	union Keytype DefKey[4]; /* this is only valid for def. key */
	102	u32 DefKeylen[4];
	103	u32 XGrpPrivacy; /* This specify the privacy algthm.
bef611a9 RB	104	* used for Grp key
bef611a9 RB	105	*/
2865d42c LF	106	u32 XGrpKeyid; /* key id used for Grp Key */
2865d42c LF	107	union Keytype XGrpKey[2]; /* 802.1x Group Key, for
bef611a9 RB	108	* inx0 and inx1
bef611a9 RB	109	*/
2865d42c LF	110	union Keytype XGrptxmickey[2];
	111	union Keytype XGrprxmickey[2];
	112	union pn48 Grptxpn; /* PN48 used for Grp Key xmit. */
	113	union pn48 Grprxpn; /* PN48 used for Grp Key recv. */
	114	u8 wps_hw_pbc_pressed;/for hw pbc pressed/
	115	u8 wps_phase;/for wps/
	116	u8 wps_ie[MAX_WPA_IE_LEN<<2];
	117	int wps_ie_len;
	118	u8 binstallGrpkey;
	119	u8 busetkipkey;
	120	struct timer_list tkip_timer;
	121	u8 bcheck_grpkey;
	122	u8 bgrpkey_handshake;
	123	s32 sw_encrypt; /* from registry_priv */
	124	s32 sw_decrypt; /* from registry_priv */
	125	s32 hw_decrypted; /* if the rx packets is hw_decrypted==false,
bef611a9 RB	126	* it means the hw has not been ready.
bef611a9 RB	127	*/
2865d42c	128	u32 ndisauthtype; /* keeps the auth_type & enc_status from upper
bef611a9 RB	129	* layer ioctl(wpa_supplicant or wzc)
bef611a9 RB	130	*/
2865d42c LF	131	u32 ndisencryptstatus;
	132	struct wlan_bssid_ex sec_bss; /* for joinbss (h2c buffer) usage */
	133	struct NDIS_802_11_WEP ndiswep;
	134	u8 assoc_info[600];
	135	u8 szofcapability[256]; /* for wpa2 usage */
	136	u8 oidassociation[512]; /* for wpa/wpa2 usage */
	137	u8 authenticator_ie[256]; /* store ap security information element */
	138	u8 supplicant_ie[256]; /* store sta security information element */
	139	/* for tkip countermeasure */
	140	u32 last_mic_err_time;
	141	u8 btkip_countermeasure;
	142	u8 btkip_wait_report;
	143	u32 btkip_countermeasure_time;
	144	/*-------------------------------------------------------------------
	145	* For WPA2 Pre-Authentication.
bef611a9 RB	146	*------------------------------------------------------------------
bef611a9 RB	147	**/
2865d42c LF	148	struct RT_PMKID_LIST PMKIDList[NUM_PMKID_CACHE];
	149	u8 PMKIDIndex;
	150	};
	151
	152	#define GET_ENCRY_ALGO(psecuritypriv, psta, encry_algo, bmcst) \
	153	do { \
	154	switch (psecuritypriv->AuthAlgrthm) { \
	155	case 0: \
	156	case 1: \
	157	case 3: \
	158	encry_algo = (u8)psecuritypriv->PrivacyAlgrthm; \
	159	break; \
	160	case 2: \
	161	if (bmcst) \
	162	encry_algo = (u8)psecuritypriv->XGrpPrivacy; \
	163	else \
	164	encry_algo = (u8)psta->XPrivacy; \
	165	break; \
	166	} \
	167	} while (0)
	168	#define SET_ICE_IV_LEN(iv_len, icv_len, encrypt)\
	169	do {\
	170	switch (encrypt) { \
	171	case _WEP40_: \
	172	case _WEP104_: \
	173	iv_len = 4; \
	174	icv_len = 4; \
	175	break; \
	176	case _TKIP_: \
	177	iv_len = 8; \
	178	icv_len = 4; \
	179	break; \
	180	case _AES_: \
	181	iv_len = 8; \
	182	icv_len = 8; \
	183	break; \
	184	default: \
	185	iv_len = 0; \
	186	icv_len = 0; \
	187	break; \
	188	} \
	189	} while (0)
	190	#define GET_TKIP_PN(iv, txpn) \
	191	do {\
	192	txpn._byte_.TSC0 = iv[2];\
	193	txpn._byte_.TSC1 = iv[0];\
	194	txpn._byte_.TSC2 = iv[4];\
	195	txpn._byte_.TSC3 = iv[5];\
	196	txpn._byte_.TSC4 = iv[6];\
	197	txpn._byte_.TSC5 = iv[7];\
	198	} while (0)
	199
	200	#define ROL32(A, n) (((A) << (n)) \| (((A)>>(32-(n))) & ((1UL << (n)) - 1)))
	201	#define ROR32(A, n) ROL32((A), 32 - (n))
	202
	203	struct mic_data {
	204	u32 K0, K1; /* Key */
	205	u32 L, R; /* Current state */
	206	u32 M; /* Message accumulator (single word) */
	207	u32 nBytesInM; /* # bytes in M */
	208	};
	209
	210	void seccalctkipmic(
0593758e JM	211	u8 *key,
	212	u8 *header,
	213	u8 *data,
	214	u32 data_len,
	215	u8 *Miccode,
2865d42c LF	216	u8 priority);
2865d42c LF	217
c07f9721 PF	218	void r8712_secmicsetkey(struct mic_data pmicdata, u8 key);
	219	void r8712_secmicappend(struct mic_data pmicdata, u8 src, u32 nBytes);
	220	void r8712_secgetmic(struct mic_data pmicdata, u8 dst);
2865d42c LF	221	u32 r8712_aes_encrypt(struct _adapter padapter, u8 pxmitframe);
	222	u32 r8712_tkip_encrypt(struct _adapter padapter, u8 pxmitframe);
	223	void r8712_wep_encrypt(struct _adapter padapter, u8 pxmitframe);
	224	u32 r8712_aes_decrypt(struct _adapter padapter, u8 precvframe);
	225	u32 r8712_tkip_decrypt(struct _adapter padapter, u8 precvframe);
	226	void r8712_wep_decrypt(struct _adapter padapter, u8 precvframe);
e922df7d	227	void r8712_use_tkipkey_handler(unsigned long data);
2865d42c LF	228
	229	#endif /__RTL871X_SECURITY_H_ /
	230