drivers/staging/brcm80211/include/proto/802.11.h

   1 /*
   2  * Copyright (c) 2010 Broadcom Corporation
   3  *
   4  * Permission to use, copy, modify, and/or distribute this software for any
   5  * purpose with or without fee is hereby granted, provided that the above
   6  * copyright notice and this permission notice appear in all copies.
   7  *
   8  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
   9  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  10  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
  11  * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  12  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
  13  * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
  14  * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  15  */
  16
  17 #ifndef _802_11_H_
  18 #define _802_11_H_
  19
  20 #include <linux/if_ether.h>
  21
  22 #define DOT11_A3_HDR_LEN                24
  23 #define DOT11_A4_HDR_LEN                30
  24 #define DOT11_MAC_HDR_LEN               DOT11_A3_HDR_LEN
  25 #define DOT11_FCS_LEN                   4
  26 #define DOT11_ICV_AES_LEN               8
  27 #define DOT11_QOS_LEN                   2
  28
  29 #define DOT11_IV_MAX_LEN                8
  30
  31 #define DOT11_MAX_SSID_LEN              32
  32
  33 #define DOT11_DEFAULT_RTS_LEN           2347
  34
  35 #define DOT11_MIN_FRAG_LEN              256
  36 #define DOT11_MAX_FRAG_LEN              2346
  37 #define DOT11_DEFAULT_FRAG_LEN          2346
  38
  39 #define DOT11_MIN_BEACON_PERIOD         1
  40 #define DOT11_MAX_BEACON_PERIOD         0xFFFF
  41
  42 #define DOT11_MIN_DTIM_PERIOD           1
  43 #define DOT11_MAX_DTIM_PERIOD           0xFF
  44
  45 #define DOT11_OUI_LEN                   3
  46
  47 struct dot11_header {
  48         u16 fc;
  49         u16 durid;
  50         u8 a1[ETH_ALEN];
  51         u8 a2[ETH_ALEN];
  52         u8 a3[ETH_ALEN];
  53         u16 seq;
  54         u8 a4[ETH_ALEN];
  55 } __attribute__((packed));
  56
  57 struct dot11_rts_frame {
  58         u16 fc;
  59         u16 durid;
  60         u8 ra[ETH_ALEN];
  61         u8 ta[ETH_ALEN];
  62 } __attribute__((packed));
  63
  64 #define DOT11_RTS_LEN           16
  65 #define DOT11_CTS_LEN           10
  66 #define DOT11_ACK_LEN           10
  67
  68 #define DOT11_BA_BITMAP_LEN             128
  69 #define DOT11_BA_LEN            4
  70
  71 struct dot11_management_header {
  72         u16 fc;
  73         u16 durid;
  74         u8 da[ETH_ALEN];
  75         u8 sa[ETH_ALEN];
  76         u8 bssid[ETH_ALEN];
  77         u16 seq;
  78 } __attribute__((packed));
  79 #define DOT11_MGMT_HDR_LEN      24
  80
  81 struct dot11_bcn_prb {
  82         u32 timestamp[2];
  83         u16 beacon_interval;
  84         u16 capability;
  85 } __attribute__((packed));
  86 #define DOT11_BCN_PRB_LEN       12
  87
  88 #define WME_OUI                 "\x00\x50\xf2"
  89 #define WME_VER                 1
  90 #define WME_TYPE                2
  91 #define WME_SUBTYPE_PARAM_IE    1
  92
  93 #define AC_BE                   0
  94 #define AC_BK                   1
  95 #define AC_VI                   2
  96 #define AC_VO                   3
  97 #define AC_COUNT                4
  98
  99 typedef u8 ac_bitmap_t;
 100
 101 #define AC_BITMAP_ALL           0xf
 102 #define AC_BITMAP_TST(ab, ac)   (((ab) & (1 << (ac))) != 0)
 103
 104 struct edcf_acparam {
 105         u8 ACI;
 106         u8 ECW;
 107         u16 TXOP;
 108 } __attribute__((packed));
 109 typedef struct edcf_acparam edcf_acparam_t;
 110
 111 struct wme_param_ie {
 112         u8 oui[3];
 113         u8 type;
 114         u8 subtype;
 115         u8 version;
 116         u8 qosinfo;
 117         u8 rsvd;
 118         edcf_acparam_t acparam[AC_COUNT];
 119 } __attribute__((packed));
 120 typedef struct wme_param_ie wme_param_ie_t;
 121 #define WME_PARAM_IE_LEN            24
 122
 123 #define EDCF_AIFSN_MIN               1
 124 #define EDCF_AIFSN_MAX               15
 125 #define EDCF_AIFSN_MASK              0x0f
 126 #define EDCF_ACM_MASK                0x10
 127 #define EDCF_ACI_MASK                0x60
 128 #define EDCF_ACI_SHIFT               5
 129
 130 #define EDCF_ECW2CW(exp)             ((1 << (exp)) - 1)
 131 #define EDCF_ECWMIN_MASK             0x0f
 132 #define EDCF_ECWMAX_MASK             0xf0
 133 #define EDCF_ECWMAX_SHIFT            4
 134
 135 #define EDCF_TXOP2USEC(txop)         ((txop) << 5)
 136
 137 #define EDCF_AC_BE_ACI_STA           0x03
 138 #define EDCF_AC_BE_ECW_STA           0xA4
 139 #define EDCF_AC_BE_TXOP_STA          0x0000
 140 #define EDCF_AC_BK_ACI_STA           0x27
 141 #define EDCF_AC_BK_ECW_STA           0xA4
 142 #define EDCF_AC_BK_TXOP_STA          0x0000
 143 #define EDCF_AC_VI_ACI_STA           0x42
 144 #define EDCF_AC_VI_ECW_STA           0x43
 145 #define EDCF_AC_VI_TXOP_STA          0x005e
 146 #define EDCF_AC_VO_ACI_STA           0x62
 147 #define EDCF_AC_VO_ECW_STA           0x32
 148 #define EDCF_AC_VO_TXOP_STA          0x002f
 149
 150 #define EDCF_AC_VO_TXOP_AP           0x002f
 151
 152 #define DOT11_OPEN_SYSTEM       0
 153 #define DOT11_SHARED_KEY        1
 154
 155 #define FC_TYPE_MASK            0xC
 156 #define FC_TYPE_SHIFT           2
 157 #define FC_SUBTYPE_MASK         0xF0
 158 #define FC_SUBTYPE_SHIFT        4
 159 #define FC_MOREFRAG             0x400
 160
 161 #define SEQNUM_SHIFT            4
 162 #define SEQNUM_MAX              0x1000
 163 #define FRAGNUM_MASK            0xF
 164
 165 #define FC_TYPE_MNG             0
 166 #define FC_TYPE_CTL             1
 167 #define FC_TYPE_DATA            2
 168
 169 #define FC_SUBTYPE_PROBE_REQ            4
 170 #define FC_SUBTYPE_PROBE_RESP           5
 171 #define FC_SUBTYPE_BEACON               8
 172 #define FC_SUBTYPE_PS_POLL              10
 173 #define FC_SUBTYPE_RTS                  11
 174 #define FC_SUBTYPE_CTS                  12
 175
 176 #define FC_SUBTYPE_ANY_QOS(s)           (((s) & 8) != 0)
 177
 178 #define FC_KIND_MASK            (FC_TYPE_MASK | FC_SUBTYPE_MASK)
 179
 180 #define FC_KIND(t, s)   (((t) << FC_TYPE_SHIFT) | ((s) << FC_SUBTYPE_SHIFT))
 181
 182 #define FC_SUBTYPE(fc)  (((fc) & FC_SUBTYPE_MASK) >> FC_SUBTYPE_SHIFT)
 183 #define FC_TYPE(fc)     (((fc) & FC_TYPE_MASK) >> FC_TYPE_SHIFT)
 184
 185 #define FC_PROBE_REQ    FC_KIND(FC_TYPE_MNG, FC_SUBTYPE_PROBE_REQ)
 186 #define FC_PROBE_RESP   FC_KIND(FC_TYPE_MNG, FC_SUBTYPE_PROBE_RESP)
 187 #define FC_BEACON       FC_KIND(FC_TYPE_MNG, FC_SUBTYPE_BEACON)
 188 #define FC_PS_POLL      FC_KIND(FC_TYPE_CTL, FC_SUBTYPE_PS_POLL)
 189 #define FC_RTS          FC_KIND(FC_TYPE_CTL, FC_SUBTYPE_RTS)
 190 #define FC_CTS          FC_KIND(FC_TYPE_CTL, FC_SUBTYPE_CTS)
 191
 192 #define TLV_LEN_OFF             1
 193 #define TLV_HDR_LEN             2
 194 #define TLV_BODY_OFF            2
 195
 196 #define DOT11_MNG_RSN_ID                        48
 197 #define DOT11_MNG_WPA_ID                        221
 198 #define DOT11_MNG_VS_ID                         221
 199
 200 #define DOT11_CAP_ESS                           0x0001
 201 #define DOT11_CAP_IBSS                          0x0002
 202 #define DOT11_CAP_PRIVACY                       0x0010
 203 #define DOT11_CAP_SHORT                         0x0020
 204 #define DOT11_CAP_SHORTSLOT                     0x0400
 205
 206 #define DOT11_BSSTYPE_INFRASTRUCTURE            0
 207 #define DOT11_BSSTYPE_ANY                       2
 208 #define DOT11_SCANTYPE_ACTIVE                   0
 209
 210 #define PREN_PREAMBLE           24
 211 #define PREN_MM_EXT             12
 212 #define PREN_PREAMBLE_EXT       4
 213
 214 #define RIFS_11N_TIME           2
 215
 216 #define APHY_SLOT_TIME          9
 217 #define APHY_SIFS_TIME          16
 218 #define APHY_PREAMBLE_TIME      16
 219 #define APHY_SIGNAL_TIME        4
 220 #define APHY_SYMBOL_TIME        4
 221 #define APHY_SERVICE_NBITS      16
 222 #define APHY_TAIL_NBITS         6
 223 #define APHY_CWMIN              15
 224
 225 #define BPHY_SLOT_TIME          20
 226 #define BPHY_SIFS_TIME          10
 227 #define BPHY_PLCP_TIME          192
 228 #define BPHY_PLCP_SHORT_TIME    96
 229
 230 #define DOT11_OFDM_SIGNAL_EXTENSION     6
 231
 232 #define PHY_CWMAX               1023
 233
 234 #define DOT11_MAXNUMFRAGS       16
 235
 236 typedef struct d11cnt {
 237         u32 txfrag;
 238         u32 txmulti;
 239         u32 txfail;
 240         u32 txretry;
 241         u32 txretrie;
 242         u32 rxdup;
 243         u32 txrts;
 244         u32 txnocts;
 245         u32 txnoack;
 246         u32 rxfrag;
 247         u32 rxmulti;
 248         u32 rxcrc;
 249         u32 txfrmsnt;
 250         u32 rxundec;
 251 } d11cnt_t;
 252
 253 #define MCSSET_LEN      16
 254
 255 struct ht_cap_ie {
 256         u16 cap;
 257         u8 params;
 258         u8 supp_mcs[MCSSET_LEN];
 259         u16 ext_htcap;
 260         u32 txbf_cap;
 261         u8 as_cap;
 262 } __attribute__((packed));
 263 typedef struct ht_cap_ie ht_cap_ie_t;
 264
 265 #define HT_CAP_IE_LEN           26
 266
 267 #define HT_CAP_LDPC_CODING      0x0001
 268 #define HT_CAP_40MHZ            0x0002
 269 #define HT_CAP_MIMO_PS_MASK     0x000C
 270 #define HT_CAP_MIMO_PS_SHIFT    0x0002
 271 #define HT_CAP_MIMO_PS_OFF      0x0003
 272 #define HT_CAP_MIMO_PS_ON       0x0000
 273 #define HT_CAP_GF               0x0010
 274 #define HT_CAP_SHORT_GI_20      0x0020
 275 #define HT_CAP_SHORT_GI_40      0x0040
 276 #define HT_CAP_TX_STBC          0x0080
 277 #define HT_CAP_RX_STBC_MASK     0x0300
 278 #define HT_CAP_RX_STBC_SHIFT    8
 279 #define HT_CAP_MAX_AMSDU        0x0800
 280 #define HT_CAP_DSSS_CCK 0x1000
 281 #define HT_CAP_40MHZ_INTOLERANT 0x4000
 282
 283 #define HT_CAP_RX_STBC_NO               0x0
 284 #define HT_CAP_RX_STBC_ONE_STREAM       0x1
 285
 286 #define HT_PARAMS_RX_FACTOR_MASK        0x03
 287
 288 #define AMPDU_MAX_MPDU_DENSITY  7
 289 #define AMPDU_RX_FACTOR_16K     1
 290 #define AMPDU_RX_FACTOR_32K     2
 291 #define AMPDU_RX_FACTOR_64K     3
 292
 293 #define AMPDU_DELIMITER_LEN     4
 294
 295 #define DOT11N_TXBURST          0x0008
 296
 297 #define WPA_VERSION             1
 298 #define WPA_OUI                 "\x00\x50\xF2"
 299
 300 #define WFA_OUI                 "\x00\x50\xF2"
 301 #define WFA_OUI_LEN     3
 302
 303 #define WFA_OUI_TYPE_WPA        1
 304
 305 #define RSN_AKM_NONE            0
 306 #define RSN_AKM_UNSPECIFIED     1
 307 #define RSN_AKM_PSK             2
 308
 309 #define DOT11_MAX_DEFAULT_KEYS  4
 310 #define DOT11_MAX_KEY_SIZE      32
 311 #define DOT11_WPA_KEY_RSC_LEN   8
 312
 313 #define WEP1_KEY_SIZE           5
 314 #define WEP128_KEY_SIZE         13
 315 #define TKIP_KEY_SIZE           32
 316 #define AES_KEY_SIZE            16
 317
 318 #define BRCM_OUI                "\x00\x10\x18"
 319
 320 #endif                          /* _802_11_H_ */