drivers/staging/rtl8712/wifi.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 /******************************************************************************
   3  *
   4  * Copyright(c) 2007 - 2010 Realtek Corporation. All rights reserved.
   5  *
   6  * Modifications for inclusion into the Linux staging tree are
   7  * Copyright(c) 2010 Larry Finger. All rights reserved.
   8  *
   9  * Contact information:
  10  * WLAN FAE <wlanfae@realtek.com>
  11  * Larry Finger <Larry.Finger@lwfinger.net>
  12  *
  13  ******************************************************************************/
  14 #ifndef _WIFI_H_
  15 #define _WIFI_H_
  16
  17 #include <linux/compiler.h>
  18 #include <linux/ieee80211.h>
  19
  20 #define WLAN_HDR_A3_LEN         24
  21 #define WLAN_HDR_A3_QOS_LEN     26
  22
  23 #define P80211CAPTURE_VERSION   0x80211001
  24
  25 enum WIFI_FRAME_TYPE {
  26         WIFI_MGT_TYPE  =        (0),
  27         WIFI_CTRL_TYPE =        (BIT(2)),
  28         WIFI_DATA_TYPE =        (BIT(3)),
  29         WIFI_QOS_DATA_TYPE      = (BIT(7) | BIT(3)),    /*!< QoS Data */
  30 };
  31
  32 enum WIFI_REG_DOMAIN {
  33         DOMAIN_FCC      = 1,
  34         DOMAIN_IC       = 2,
  35         DOMAIN_ETSI     = 3,
  36         DOMAIN_SPAIN    = 4,
  37         DOMAIN_FRANCE   = 5,
  38         DOMAIN_MKK      = 6,
  39         DOMAIN_ISRAEL   = 7,
  40         DOMAIN_MKK1     = 8,
  41         DOMAIN_MKK2     = 9,
  42         DOMAIN_MKK3     = 10,
  43         DOMAIN_MAX
  44 };
  45
  46 #define SetToDs(pbuf) ({ \
  47         *(__le16 *)(pbuf) |= cpu_to_le16(IEEE80211_FCTL_TODS); \
  48 })
  49
  50 #define GetToDs(pbuf)   (((*(__le16 *)(pbuf)) & cpu_to_le16(IEEE80211_FCTL_TODS)) != 0)
  51
  52 #define ClearToDs(pbuf) ({ \
  53         *(__le16 *)(pbuf) &= (~cpu_to_le16(IEEE80211_FCTL_TODS)); \
  54 })
  55
  56 #define SetFrDs(pbuf) ({ \
  57         *(__le16 *)(pbuf) |= cpu_to_le16(IEEE80211_FCTL_FROMDS); \
  58 })
  59
  60 #define GetFrDs(pbuf)   (((*(__le16 *)(pbuf)) & cpu_to_le16(IEEE80211_FCTL_FROMDS)) != 0)
  61
  62 #define ClearFrDs(pbuf) ({ \
  63         *(__le16 *)(pbuf) &= (~cpu_to_le16(IEEE80211_FCTL_FROMDS)); \
  64 })
  65
  66 static inline unsigned char get_tofr_ds(unsigned char *pframe)
  67 {
  68         return ((GetToDs(pframe) << 1) | GetFrDs(pframe));
  69 }
  70
  71 #define SetMFrag(pbuf) ({ \
  72         *(__le16 *)(pbuf) |= cpu_to_le16(IEEE80211_FCTL_MOREFRAGS); \
  73 })
  74
  75 #define GetMFrag(pbuf)  (((*(__le16 *)(pbuf)) & cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) != 0)
  76
  77 #define ClearMFrag(pbuf) ({ \
  78         *(__le16 *)(pbuf) &= (~cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)); \
  79 })
  80
  81 #define SetRetry(pbuf) ({ \
  82         *(__le16 *)(pbuf) |= cpu_to_le16(IEEE80211_FCTL_RETRY); \
  83 })
  84
  85 #define GetRetry(pbuf)  (((*(__le16 *)(pbuf)) & cpu_to_le16(IEEE80211_FCTL_RETRY)) != 0)
  86
  87 #define ClearRetry(pbuf) ({ \
  88         *(__le16 *)(pbuf) &= (~cpu_to_le16(IEEE80211_FCTL_RETRY)); \
  89 })
  90
  91 #define SetPwrMgt(pbuf) ({ \
  92         *(__le16 *)(pbuf) |= cpu_to_le16(IEEE80211_FCTL_PM); \
  93 })
  94
  95 #define GetPwrMgt(pbuf) (((*(__le16 *)(pbuf)) & \
  96                         cpu_to_le16(IEEE80211_FCTL_PM)) != 0)
  97
  98 #define ClearPwrMgt(pbuf) ({ \
  99         *(__le16 *)(pbuf) &= (~cpu_to_le16(IEEE80211_FCTL_PM)); \
 100 })
 101
 102 #define SetMData(pbuf) ({ \
 103         *(__le16 *)(pbuf) |= cpu_to_le16(IEEE80211_FCTL_MOREDATA); \
 104 })
 105
 106 #define GetMData(pbuf)  (((*(__le16 *)(pbuf)) & \
 107                         cpu_to_le16(IEEE80211_FCTL_MOREDATA)) != 0)
 108
 109 #define ClearMData(pbuf) ({ \
 110         *(__le16 *)(pbuf) &= (~cpu_to_le16(IEEE80211_FCTL_MOREDATA)); \
 111 })
 112
 113 #define SetPrivacy(pbuf) ({ \
 114         *(__le16 *)(pbuf) |= cpu_to_le16(IEEE80211_FCTL_PROTECTED); \
 115 })
 116
 117 #define GetPrivacy(pbuf)        (((*(__le16 *)(pbuf)) & \
 118                                 cpu_to_le16(IEEE80211_FCTL_PROTECTED)) != 0)
 119
 120 #define GetOrder(pbuf)  (((*(__le16 *)(pbuf)) & \
 121                         cpu_to_le16(IEEE80211_FCTL_ORDER)) != 0)
 122
 123 #define GetFrameType(pbuf)      (le16_to_cpu(*(__le16 *)(pbuf)) & \
 124                                 (BIT(3) | BIT(2)))
 125
 126 #define SetFrameType(pbuf, type)        \
 127         do {    \
 128                 *(__le16 *)(pbuf) &= cpu_to_le16(~(BIT(3) | \
 129                 BIT(2))); \
 130                 *(__le16 *)(pbuf) |= cpu_to_le16(type); \
 131         } while (0)
 132
 133 #define GetFrameSubType(pbuf)   (le16_to_cpu(*(__le16 *)(pbuf)) & \
 134                                 (BIT(7) | BIT(6) | BIT(5) | BIT(4) | BIT(3) | \
 135                                 BIT(2)))
 136
 137 #define SetFrameSubType(pbuf, type) \
 138         do {    \
 139                 *(__le16 *)(pbuf) &= cpu_to_le16(~(BIT(7) | BIT(6) | \
 140                 BIT(5) | BIT(4) | BIT(3) | BIT(2))); \
 141                 *(__le16 *)(pbuf) |= cpu_to_le16(type); \
 142         } while (0)
 143
 144 #define GetSequence(pbuf)       (le16_to_cpu(*(__le16 *)\
 145                                 ((addr_t)(pbuf) + 22)) >> 4)
 146
 147 #define GetFragNum(pbuf)        (le16_to_cpu(*(__le16 *)((addr_t)\
 148                                 (pbuf) + 22)) & 0x0f)
 149
 150 #define SetSeqNum(pbuf, num) ({ \
 151         *(__le16 *)((addr_t)(pbuf) + 22) = \
 152         cpu_to_le16((le16_to_cpu(*(__le16 *)((addr_t)(pbuf) + 22)) & \
 153         0x000f) | (0xfff0 & (num << 4))); \
 154 })
 155
 156 #define SetPriority(pbuf, tid) ({ \
 157         *(__le16 *)(pbuf) |= cpu_to_le16(tid & 0xf); \
 158 })
 159
 160 #define GetPriority(pbuf)       ((le16_to_cpu(*(__le16 *)(pbuf))) & 0xf)
 161
 162 #define SetAckpolicy(pbuf, ack) ({ \
 163         *(__le16 *)(pbuf) |= cpu_to_le16((ack & 3) << 5); \
 164 })
 165
 166 #define GetAckpolicy(pbuf) (((le16_to_cpu(*(__le16 *)pbuf)) >> 5) & 0x3)
 167
 168 #define GetAMsdu(pbuf) (((le16_to_cpu(*(__le16 *)pbuf)) >> 7) & 0x1)
 169
 170 #define GetAddr1Ptr(pbuf)       ((unsigned char *)((addr_t)(pbuf) + 4))
 171
 172 #define GetAddr2Ptr(pbuf)       ((unsigned char *)((addr_t)(pbuf) + 10))
 173
 174 #define GetAddr3Ptr(pbuf)       ((unsigned char *)((addr_t)(pbuf) + 16))
 175
 176 #define GetAddr4Ptr(pbuf)       ((unsigned char *)((addr_t)(pbuf) + 24))
 177
 178 static inline unsigned char *get_hdr_bssid(unsigned char *pframe)
 179 {
 180         unsigned char   *sa;
 181         unsigned int    to_fr_ds = (GetToDs(pframe) << 1) | GetFrDs(pframe);
 182
 183         switch (to_fr_ds) {
 184         case 0x00:      /* ToDs=0, FromDs=0 */
 185                 sa = GetAddr3Ptr(pframe);
 186                 break;
 187         case 0x01:      /* ToDs=0, FromDs=1 */
 188                 sa = GetAddr2Ptr(pframe);
 189                 break;
 190         case 0x02:      /* ToDs=1, FromDs=0 */
 191                 sa = GetAddr1Ptr(pframe);
 192                 break;
 193         default:        /* ToDs=1, FromDs=1 */
 194                 sa = NULL;
 195                 break;
 196         }
 197         return sa;
 198 }
 199
 200 /*-----------------------------------------------------------------------------
 201  *              Below is for the security related definition
 202  *-----------------------------------------------------------------------------
 203  */
 204 #define _ASOCREQ_IE_OFFSET_     4       /* excluding wlan_hdr */
 205 #define _ASOCRSP_IE_OFFSET_     6
 206 #define _REASOCREQ_IE_OFFSET_   10
 207 #define _REASOCRSP_IE_OFFSET_   6
 208 #define _PROBEREQ_IE_OFFSET_    0
 209 #define _PROBERSP_IE_OFFSET_    12
 210 #define _AUTH_IE_OFFSET_        6
 211 #define _DEAUTH_IE_OFFSET_      0
 212 #define _BEACON_IE_OFFSET_      12
 213
 214 #define _FIXED_IE_LENGTH_       _BEACON_IE_OFFSET_
 215
 216 /* ---------------------------------------------------------------------------
 217  *                      Below is the fixed elements...
 218  * ---------------------------------------------------------------------------
 219  */
 220 #define _AUTH_ALGM_NUM_                 2
 221 #define _AUTH_SEQ_NUM_                  2
 222 #define _BEACON_ITERVAL_                2
 223 #define _CAPABILITY_                    2
 224 #define _CURRENT_APADDR_                6
 225 #define _LISTEN_INTERVAL_               2
 226 #define _RSON_CODE_                             2
 227 #define _ASOC_ID_                               2
 228 #define _STATUS_CODE_                   2
 229 #define _TIMESTAMP_                             8
 230
 231 #define AUTH_ODD_TO                             0
 232 #define AUTH_EVEN_TO                    1
 233
 234 /*-----------------------------------------------------------------------------
 235  *                      Below is the definition for 802.11i / 802.1x
 236  *------------------------------------------------------------------------------
 237  */
 238 #define _IEEE8021X_MGT_                 1       /*WPA */
 239 #define _IEEE8021X_PSK_                 2       /* WPA with pre-shared key */
 240
 241 /*-----------------------------------------------------------------------------
 242  *                      Below is the definition for WMM
 243  *------------------------------------------------------------------------------
 244  */
 245 #define _WMM_IE_Length_                         7  /* for WMM STA */
 246
 247 #endif /* _WIFI_H_ */
 248