LXR linux/drivers/staging/rtl8712/rtl871x

   1#ifndef __RTL871X_SECURITY_H_
   2#define __RTL871X_SECURITY_H_
   3
   4#include "osdep_service.h"
   5#include "drv_types.h"
   6
   7#define _NO_PRIVACY_    0x0
   8#define _WEP40_         0x1
   9#define _TKIP_          0x2
  10#define _TKIP_WTMIC_    0x3
  11#define _AES_           0x4
  12#define _WEP104_        0x5
  13
  14#define _WPA_IE_ID_     0xdd
  15#define _WPA2_IE_ID_    0x30
  16
  17#ifndef Ndis802_11AuthModeWPA2
  18#define Ndis802_11AuthModeWPA2 (Ndis802_11AuthModeWPANone + 1)
  19#endif
  20
  21#ifndef Ndis802_11AuthModeWPA2PSK
  22#define Ndis802_11AuthModeWPA2PSK (Ndis802_11AuthModeWPANone + 2)
  23#endif
  24union pn48 {
  25        u64 val;
  26#if defined(__BIG_ENDIAN)
  27struct {
  28  u8 TSC7;
  29  u8 TSC6;
  30  u8 TSC5;
  31  u8 TSC4;
  32  u8 TSC3;
  33  u8 TSC2;
  34  u8 TSC1;
  35  u8 TSC0;
  36} _byte_;
  37#else
  38struct {
  39  u8 TSC0;
  40  u8 TSC1;
  41  u8 TSC2;
  42  u8 TSC3;
  43  u8 TSC4;
  44  u8 TSC5;
  45  u8 TSC6;
  46  u8 TSC7;
  47} _byte_;
  48#endif
  49};
  50
  51union Keytype {
  52        u8 skey[16];
  53        u32 lkey[4];
  54};
  55
  56struct RT_PMKID_LIST {
  57        u8 bUsed;
  58        u8 Bssid[6];
  59        u8 PMKID[16];
  60        u8 SsidBuf[33];
  61        u8 *ssid_octet;
  62        u16 ssid_length;
  63};
  64
  65struct security_priv {
  66        u32 AuthAlgrthm;                /* 802.11 auth, could be open, shared,
  67                                         * 8021x and authswitch */
  68        u32 PrivacyAlgrthm;             /* This specify the privacy for shared
  69                                         * auth. algorithm. */
  70        u32 PrivacyKeyIndex;            /* this is only valid for legendary
  71                                         * wep, 0~3 for key id. */
  72        union Keytype DefKey[4];        /* this is only valid for def. key */
  73        u32 DefKeylen[4];
  74        u32 XGrpPrivacy;                /* This specify the privacy algthm.
  75                                         * used for Grp key */
  76        u32 XGrpKeyid;                  /* key id used for Grp Key */
  77        union Keytype   XGrpKey[2];     /* 802.1x Group Key, for
  78                                         * inx0 and inx1 */
  79        union Keytype   XGrptxmickey[2];
  80        union Keytype   XGrprxmickey[2];
  81        union pn48 Grptxpn;             /* PN48 used for Grp Key xmit. */
  82        union pn48 Grprxpn;             /* PN48 used for Grp Key recv. */
  83        u8 wps_hw_pbc_pressed;/*for hw pbc pressed*/
  84        u8 wps_phase;/*for wps*/
  85        u8 wps_ie[MAX_WPA_IE_LEN<<2];
  86        int wps_ie_len;
  87        u8      binstallGrpkey;
  88        u8      busetkipkey;
  89        struct timer_list tkip_timer;
  90        u8      bcheck_grpkey;
  91        u8      bgrpkey_handshake;
  92        s32     sw_encrypt;     /* from registry_priv */
  93        s32     sw_decrypt;     /* from registry_priv */
  94        s32     hw_decrypted;   /* if the rx packets is hw_decrypted==false,
  95                                 * it means the hw has not been ready. */
  96        u32 ndisauthtype;       /* keeps the auth_type & enc_status from upper
  97                                 * layer ioctl(wpa_supplicant or wzc) */
  98        u32 ndisencryptstatus;
  99        struct wlan_bssid_ex sec_bss;  /* for joinbss (h2c buffer) usage */
 100        struct NDIS_802_11_WEP ndiswep;
 101        u8 assoc_info[600];
 102        u8 szofcapability[256]; /* for wpa2 usage */
 103        u8 oidassociation[512]; /* for wpa/wpa2 usage */
 104        u8 authenticator_ie[256];  /* store ap security information element */
 105        u8 supplicant_ie[256];  /* store sta security information element */
 106        /* for tkip countermeasure */
 107        u32 last_mic_err_time;
 108        u8      btkip_countermeasure;
 109        u8      btkip_wait_report;
 110        u32 btkip_countermeasure_time;
 111        /*-------------------------------------------------------------------
 112         * For WPA2 Pre-Authentication.
 113         *------------------------------------------------------------------ */
 114        struct RT_PMKID_LIST            PMKIDList[NUM_PMKID_CACHE];
 115        u8                              PMKIDIndex;
 116};
 117
 118#define GET_ENCRY_ALGO(psecuritypriv, psta, encry_algo, bmcst) \
 119do { \
 120        switch (psecuritypriv->AuthAlgrthm) { \
 121        case 0: \
 122        case 1: \
 123        case 3: \
 124                encry_algo = (u8)psecuritypriv->PrivacyAlgrthm; \
 125                break; \
 126        case 2: \
 127                if (bmcst) \
 128                        encry_algo = (u8)psecuritypriv->XGrpPrivacy; \
 129                else \
 130                        encry_algo = (u8)psta->XPrivacy; \
 131                break; \
 132        } \
 133} while (0)
 134#define SET_ICE_IV_LEN(iv_len, icv_len, encrypt)\
 135do {\
 136        switch (encrypt) { \
 137        case _WEP40_: \
 138        case _WEP104_: \
 139                iv_len = 4; \
 140                icv_len = 4; \
 141                break; \
 142        case _TKIP_: \
 143                iv_len = 8; \
 144                icv_len = 4; \
 145                break; \
 146        case _AES_: \
 147                iv_len = 8; \
 148                icv_len = 8; \
 149                break; \
 150        default: \
 151                iv_len = 0; \
 152                icv_len = 0; \
 153                break; \
 154        } \
 155} while (0)
 156#define GET_TKIP_PN(iv, txpn) \
 157do {\
 158        txpn._byte_.TSC0 = iv[2];\
 159        txpn._byte_.TSC1 = iv[0];\
 160        txpn._byte_.TSC2 = iv[4];\
 161        txpn._byte_.TSC3 = iv[5];\
 162        txpn._byte_.TSC4 = iv[6];\
 163        txpn._byte_.TSC5 = iv[7];\
 164} while (0)
 165
 166#define ROL32(A, n) (((A) << (n)) | (((A)>>(32-(n)))  & ((1UL << (n)) - 1)))
 167#define ROR32(A, n) ROL32((A), 32 - (n))
 168
 169struct mic_data {
 170        u32  K0, K1;         /* Key */
 171        u32  L, R;           /* Current state */
 172        u32  M;              /* Message accumulator (single word) */
 173        u32  nBytesInM;      /* # bytes in M */
 174};
 175
 176void seccalctkipmic(
 177        u8 *key,
 178        u8 *header,
 179        u8 *data,
 180        u32 data_len,
 181        u8 *Miccode,
 182        u8   priority);
 183
 184void r8712_secmicsetkey(struct mic_data *pmicdata, u8 * key);
 185void r8712_secmicappend(struct mic_data *pmicdata, u8 * src, u32 nBytes);
 186void r8712_secgetmic(struct mic_data *pmicdata, u8 * dst);
 187u32 r8712_aes_encrypt(struct _adapter *padapter, u8 *pxmitframe);
 188u32 r8712_tkip_encrypt(struct _adapter *padapter, u8 *pxmitframe);
 189void r8712_wep_encrypt(struct _adapter *padapter, u8  *pxmitframe);
 190u32 r8712_aes_decrypt(struct _adapter *padapter, u8  *precvframe);
 191u32 r8712_tkip_decrypt(struct _adapter *padapter, u8  *precvframe);
 192void r8712_wep_decrypt(struct _adapter *padapter, u8  *precvframe);
 193void r8712_use_tkipkey_handler(void *FunctionContext);
 194
 195#endif  /*__RTL871X_SECURITY_H_ */
 196
 197