drivers/staging/ath6kl/wlan/include/ieee80211.h

   1 //------------------------------------------------------------------------------
   2 // <copyright file="ieee80211.h" company="Atheros">
   3 //    Copyright (c) 2004-2010 Atheros Corporation.  All rights reserved.
   4 //
   5 //
   6 // Permission to use, copy, modify, and/or distribute this software for any
   7 // purpose with or without fee is hereby granted, provided that the above
   8 // copyright notice and this permission notice appear in all copies.
   9 //
  10 // THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  11 // WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  12 // MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  13 // ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  14 // WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  15 // ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  16 // OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  17 //
  18 //
  19 //------------------------------------------------------------------------------
  20 //==============================================================================
  21 // Author(s): ="Atheros"
  22 //==============================================================================
  23 #ifndef _NET80211_IEEE80211_H_
  24 #define _NET80211_IEEE80211_H_
  25
  26 #include "athstartpack.h"
  27
  28 /*
  29  * 802.11 protocol definitions.
  30  */
  31 #define IEEE80211_WEP_KEYLEN        5   /* 40bit */
  32 #define IEEE80211_WEP_IVLEN         3   /* 24bit */
  33 #define IEEE80211_WEP_KIDLEN        1   /* 1 octet */
  34 #define IEEE80211_WEP_CRCLEN        4   /* CRC-32 */
  35 #define IEEE80211_WEP_NKID          4   /* number of key ids */
  36
  37 /*
  38  * 802.11i defines an extended IV for use with non-WEP ciphers.
  39  * When the EXTIV bit is set in the key id byte an additional
  40  * 4 bytes immediately follow the IV for TKIP.  For CCMP the
  41  * EXTIV bit is likewise set but the 8 bytes represent the
  42  * CCMP header rather than IV+extended-IV.
  43  */
  44 #define IEEE80211_WEP_EXTIV         0x20
  45 #define IEEE80211_WEP_EXTIVLEN      4   /* extended IV length */
  46 #define IEEE80211_WEP_MICLEN        8   /* trailing MIC */
  47
  48 #define IEEE80211_CRC_LEN           4
  49
  50 #ifdef WAPI_ENABLE
  51 #define IEEE80211_WAPI_EXTIVLEN      10   /* extended IV length */
  52 #endif /* WAPI ENABLE */
  53
  54
  55 #define IEEE80211_ADDR_LEN  6       /* size of 802.11 address */
  56 /* is 802.11 address multicast/broadcast? */
  57 #define IEEE80211_IS_MULTICAST(_a)  (*(_a) & 0x01)
  58 #define IEEE80211_IS_BROADCAST(_a)  (*(_a) == 0xFF)
  59 #define WEP_HEADER (IEEE80211_WEP_IVLEN + IEEE80211_WEP_KIDLEN)
  60 #define WEP_TRAILER IEEE80211_WEP_CRCLEN
  61 #define CCMP_HEADER (IEEE80211_WEP_IVLEN + IEEE80211_WEP_KIDLEN + \
  62                     IEEE80211_WEP_EXTIVLEN)
  63 #define CCMP_TRAILER IEEE80211_WEP_MICLEN
  64 #define TKIP_HEADER (IEEE80211_WEP_IVLEN + IEEE80211_WEP_KIDLEN + \
  65                     IEEE80211_WEP_EXTIVLEN)
  66 #define TKIP_TRAILER IEEE80211_WEP_CRCLEN
  67 #define TKIP_MICLEN  IEEE80211_WEP_MICLEN
  68
  69
  70 #define IEEE80211_ADDR_EQ(addr1, addr2)     \
  71     (A_MEMCMP(addr1, addr2, IEEE80211_ADDR_LEN) == 0)
  72
  73 #define IEEE80211_ADDR_COPY(dst,src)    A_MEMCPY(dst,src,IEEE80211_ADDR_LEN)
  74
  75 #define IEEE80211_KEYBUF_SIZE 16
  76 #define IEEE80211_MICBUF_SIZE (8+8)  /* space for both tx and rx */
  77
  78 /*
  79  * NB: these values are ordered carefully; there are lots of
  80  * of implications in any reordering.  In particular beware
  81  * that 4 is not used to avoid conflicting with IEEE80211_F_PRIVACY.
  82  */
  83 #define IEEE80211_CIPHER_WEP            0
  84 #define IEEE80211_CIPHER_TKIP           1
  85 #define IEEE80211_CIPHER_AES_OCB        2
  86 #define IEEE80211_CIPHER_AES_CCM        3
  87 #define IEEE80211_CIPHER_CKIP           5
  88 #define IEEE80211_CIPHER_CCKM_KRK       6
  89 #define IEEE80211_CIPHER_NONE           7       /* pseudo value */
  90
  91 #define IEEE80211_CIPHER_MAX            (IEEE80211_CIPHER_NONE+1)
  92
  93 #define IEEE80211_IS_VALID_WEP_CIPHER_LEN(len) \
  94         (((len) == 5) || ((len) == 13) || ((len) == 16))
  95
  96
  97
  98 /*
  99  * generic definitions for IEEE 802.11 frames
 100  */
 101 PREPACK struct ieee80211_frame {
 102     u8 i_fc[2];
 103     u8 i_dur[2];
 104     u8 i_addr1[IEEE80211_ADDR_LEN];
 105     u8 i_addr2[IEEE80211_ADDR_LEN];
 106     u8 i_addr3[IEEE80211_ADDR_LEN];
 107     u8 i_seq[2];
 108     /* possibly followed by addr4[IEEE80211_ADDR_LEN]; */
 109     /* see below */
 110 } POSTPACK;
 111
 112 PREPACK struct ieee80211_qosframe {
 113     u8 i_fc[2];
 114     u8 i_dur[2];
 115     u8 i_addr1[IEEE80211_ADDR_LEN];
 116     u8 i_addr2[IEEE80211_ADDR_LEN];
 117     u8 i_addr3[IEEE80211_ADDR_LEN];
 118     u8 i_seq[2];
 119     u8 i_qos[2];
 120 } POSTPACK;
 121
 122 #define IEEE80211_FC0_VERSION_MASK          0x03
 123 #define IEEE80211_FC0_VERSION_SHIFT         0
 124 #define IEEE80211_FC0_VERSION_0             0x00
 125 #define IEEE80211_FC0_TYPE_MASK             0x0c
 126 #define IEEE80211_FC0_TYPE_SHIFT            2
 127 #define IEEE80211_FC0_TYPE_MGT              0x00
 128 #define IEEE80211_FC0_TYPE_CTL              0x04
 129 #define IEEE80211_FC0_TYPE_DATA             0x08
 130
 131 #define IEEE80211_FC0_SUBTYPE_MASK          0xf0
 132 #define IEEE80211_FC0_SUBTYPE_SHIFT         4
 133 /* for TYPE_MGT */
 134 #define IEEE80211_FC0_SUBTYPE_ASSOC_REQ     0x00
 135 #define IEEE80211_FC0_SUBTYPE_ASSOC_RESP    0x10
 136 #define IEEE80211_FC0_SUBTYPE_REASSOC_REQ   0x20
 137 #define IEEE80211_FC0_SUBTYPE_REASSOC_RESP  0x30
 138 #define IEEE80211_FC0_SUBTYPE_PROBE_REQ     0x40
 139 #define IEEE80211_FC0_SUBTYPE_PROBE_RESP    0x50
 140 #define IEEE80211_FC0_SUBTYPE_BEACON        0x80
 141 #define IEEE80211_FC0_SUBTYPE_ATIM          0x90
 142 #define IEEE80211_FC0_SUBTYPE_DISASSOC      0xa0
 143 #define IEEE80211_FC0_SUBTYPE_AUTH          0xb0
 144 #define IEEE80211_FC0_SUBTYPE_DEAUTH        0xc0
 145 /* for TYPE_CTL */
 146 #define IEEE80211_FC0_SUBTYPE_PS_POLL       0xa0
 147 #define IEEE80211_FC0_SUBTYPE_RTS           0xb0
 148 #define IEEE80211_FC0_SUBTYPE_CTS           0xc0
 149 #define IEEE80211_FC0_SUBTYPE_ACK           0xd0
 150 #define IEEE80211_FC0_SUBTYPE_CF_END        0xe0
 151 #define IEEE80211_FC0_SUBTYPE_CF_END_ACK    0xf0
 152 /* for TYPE_DATA (bit combination) */
 153 #define IEEE80211_FC0_SUBTYPE_DATA          0x00
 154 #define IEEE80211_FC0_SUBTYPE_CF_ACK        0x10
 155 #define IEEE80211_FC0_SUBTYPE_CF_POLL       0x20
 156 #define IEEE80211_FC0_SUBTYPE_CF_ACPL       0x30
 157 #define IEEE80211_FC0_SUBTYPE_NODATA        0x40
 158 #define IEEE80211_FC0_SUBTYPE_CFACK         0x50
 159 #define IEEE80211_FC0_SUBTYPE_CFPOLL        0x60
 160 #define IEEE80211_FC0_SUBTYPE_CF_ACK_CF_ACK 0x70
 161 #define IEEE80211_FC0_SUBTYPE_QOS           0x80
 162 #define IEEE80211_FC0_SUBTYPE_QOS_NULL      0xc0
 163
 164 #define IEEE80211_FC1_DIR_MASK              0x03
 165 #define IEEE80211_FC1_DIR_NODS              0x00    /* STA->STA */
 166 #define IEEE80211_FC1_DIR_TODS              0x01    /* STA->AP  */
 167 #define IEEE80211_FC1_DIR_FROMDS            0x02    /* AP ->STA */
 168 #define IEEE80211_FC1_DIR_DSTODS            0x03    /* AP ->AP  */
 169
 170 #define IEEE80211_FC1_MORE_FRAG             0x04
 171 #define IEEE80211_FC1_RETRY                 0x08
 172 #define IEEE80211_FC1_PWR_MGT               0x10
 173 #define IEEE80211_FC1_MORE_DATA             0x20
 174 #define IEEE80211_FC1_WEP                   0x40
 175 #define IEEE80211_FC1_ORDER                 0x80
 176
 177 #define IEEE80211_SEQ_FRAG_MASK             0x000f
 178 #define IEEE80211_SEQ_FRAG_SHIFT            0
 179 #define IEEE80211_SEQ_SEQ_MASK              0xfff0
 180 #define IEEE80211_SEQ_SEQ_SHIFT             4
 181
 182 #define IEEE80211_NWID_LEN                  32
 183
 184 /*
 185  * 802.11 rate set.
 186  */
 187 #define IEEE80211_RATE_SIZE     8       /* 802.11 standard */
 188 #define IEEE80211_RATE_MAXSIZE  15      /* max rates we'll handle */
 189
 190 #define WMM_NUM_AC                  4   /* 4 AC categories */
 191
 192 #define WMM_PARAM_ACI_M         0x60    /* Mask for ACI field */
 193 #define WMM_PARAM_ACI_S         5   /* Shift for ACI field */
 194 #define WMM_PARAM_ACM_M         0x10    /* Mask for ACM bit */
 195 #define WMM_PARAM_ACM_S         4       /* Shift for ACM bit */
 196 #define WMM_PARAM_AIFSN_M       0x0f    /* Mask for aifsn field */
 197 #define WMM_PARAM_LOGCWMIN_M    0x0f    /* Mask for CwMin field (in log) */
 198 #define WMM_PARAM_LOGCWMAX_M    0xf0    /* Mask for CwMax field (in log) */
 199 #define WMM_PARAM_LOGCWMAX_S    4   /* Shift for CwMax field */
 200
 201 #define WMM_AC_TO_TID(_ac) (       \
 202     ((_ac) == WMM_AC_VO) ? 6 : \
 203     ((_ac) == WMM_AC_VI) ? 5 : \
 204     ((_ac) == WMM_AC_BK) ? 1 : \
 205     0)
 206
 207 #define TID_TO_WMM_AC(_tid) (      \
 208     ((_tid) < 1) ? WMM_AC_BE : \
 209     ((_tid) < 3) ? WMM_AC_BK : \
 210     ((_tid) < 6) ? WMM_AC_VI : \
 211     WMM_AC_VO)
 212 /*
 213  * Management information element payloads.
 214  */
 215
 216 enum {
 217     IEEE80211_ELEMID_SSID       = 0,
 218     IEEE80211_ELEMID_RATES      = 1,
 219     IEEE80211_ELEMID_FHPARMS    = 2,
 220     IEEE80211_ELEMID_DSPARMS    = 3,
 221     IEEE80211_ELEMID_CFPARMS    = 4,
 222     IEEE80211_ELEMID_TIM        = 5,
 223     IEEE80211_ELEMID_IBSSPARMS  = 6,
 224     IEEE80211_ELEMID_COUNTRY    = 7,
 225     IEEE80211_ELEMID_CHALLENGE  = 16,
 226     /* 17-31 reserved for challenge text extension */
 227     IEEE80211_ELEMID_PWRCNSTR   = 32,
 228     IEEE80211_ELEMID_PWRCAP     = 33,
 229     IEEE80211_ELEMID_TPCREQ     = 34,
 230     IEEE80211_ELEMID_TPCREP     = 35,
 231     IEEE80211_ELEMID_SUPPCHAN   = 36,
 232     IEEE80211_ELEMID_CHANSWITCH = 37,
 233     IEEE80211_ELEMID_MEASREQ    = 38,
 234     IEEE80211_ELEMID_MEASREP    = 39,
 235     IEEE80211_ELEMID_QUIET      = 40,
 236     IEEE80211_ELEMID_IBSSDFS    = 41,
 237     IEEE80211_ELEMID_ERP        = 42,
 238     IEEE80211_ELEMID_HTCAP_ANA  = 45,   /* Address ANA, and non-ANA story, for interop. CL#171733 */
 239     IEEE80211_ELEMID_RSN        = 48,
 240     IEEE80211_ELEMID_XRATES     = 50,
 241     IEEE80211_ELEMID_HTINFO_ANA = 61,
 242 #ifdef WAPI_ENABLE
 243     IEEE80211_ELEMID_WAPI       = 68,
 244 #endif
 245     IEEE80211_ELEMID_TPC        = 150,
 246     IEEE80211_ELEMID_CCKM       = 156,
 247     IEEE80211_ELEMID_VENDOR     = 221,  /* vendor private */
 248 };
 249
 250 #define ATH_OUI             0x7f0300        /* Atheros OUI */
 251 #define ATH_OUI_TYPE        0x01
 252 #define ATH_OUI_SUBTYPE     0x01
 253 #define ATH_OUI_VERSION     0x00
 254
 255 #define WPA_OUI             0xf25000
 256 #define WPA_OUI_TYPE        0x01
 257 #define WPA_VERSION         1          /* current supported version */
 258
 259 #define WPA_CSE_NULL        0x00
 260 #define WPA_CSE_WEP40       0x01
 261 #define WPA_CSE_TKIP        0x02
 262 #define WPA_CSE_CCMP        0x04
 263 #define WPA_CSE_WEP104      0x05
 264
 265 #define WPA_ASE_NONE        0x00
 266 #define WPA_ASE_8021X_UNSPEC    0x01
 267 #define WPA_ASE_8021X_PSK   0x02
 268
 269 #define RSN_OUI         0xac0f00
 270 #define RSN_VERSION     1       /* current supported version */
 271
 272 #define RSN_CSE_NULL        0x00
 273 #define RSN_CSE_WEP40       0x01
 274 #define RSN_CSE_TKIP        0x02
 275 #define RSN_CSE_WRAP        0x03
 276 #define RSN_CSE_CCMP        0x04
 277 #define RSN_CSE_WEP104      0x05
 278
 279 #define RSN_ASE_NONE            0x00
 280 #define RSN_ASE_8021X_UNSPEC    0x01
 281 #define RSN_ASE_8021X_PSK       0x02
 282
 283 #define RSN_CAP_PREAUTH         0x01
 284
 285 #define WMM_OUI                 0xf25000
 286 #define WMM_OUI_TYPE            0x02
 287 #define WMM_INFO_OUI_SUBTYPE    0x00
 288 #define WMM_PARAM_OUI_SUBTYPE   0x01
 289 #define WMM_VERSION             1
 290
 291 /* WMM stream classes */
 292 #define WMM_NUM_AC  4
 293 #define WMM_AC_BE   0       /* best effort */
 294 #define WMM_AC_BK   1       /* background */
 295 #define WMM_AC_VI   2       /* video */
 296 #define WMM_AC_VO   3       /* voice */
 297
 298 /* TSPEC related */
 299 #define ACTION_CATEGORY_CODE_TSPEC                 17
 300 #define ACTION_CODE_TSPEC_ADDTS                    0
 301 #define ACTION_CODE_TSPEC_ADDTS_RESP               1
 302 #define ACTION_CODE_TSPEC_DELTS                    2
 303
 304 typedef enum {
 305     TSPEC_STATUS_CODE_ADMISSION_ACCEPTED = 0,
 306     TSPEC_STATUS_CODE_ADDTS_INVALID_PARAMS = 0x1,
 307     TSPEC_STATUS_CODE_ADDTS_REQUEST_REFUSED = 0x3,
 308     TSPEC_STATUS_CODE_UNSPECIFIED_QOS_RELATED_FAILURE = 0xC8,
 309     TSPEC_STATUS_CODE_REQUESTED_REFUSED_POLICY_CONFIGURATION = 0xC9,
 310     TSPEC_STATUS_CODE_INSUFFCIENT_BANDWIDTH = 0xCA,
 311     TSPEC_STATUS_CODE_INVALID_PARAMS = 0xCB,
 312     TSPEC_STATUS_CODE_DELTS_SENT    = 0x30,
 313     TSPEC_STATUS_CODE_DELTS_RECV    = 0x31,
 314 } TSPEC_STATUS_CODE;
 315
 316 #define TSPEC_TSID_MASK             0xF
 317 #define TSPEC_TSID_S                1
 318
 319 /*
 320  * WMM/802.11e Tspec Element
 321  */
 322 typedef PREPACK struct wmm_tspec_ie_t {
 323     u8 elementId;
 324     u8 len;
 325     u8 oui[3];
 326     u8 ouiType;
 327     u8 ouiSubType;
 328     u8 version;
 329     u16 tsInfo_info;
 330     u8 tsInfo_reserved;
 331     u16 nominalMSDU;
 332     u16 maxMSDU;
 333     u32 minServiceInt;
 334     u32 maxServiceInt;
 335     u32 inactivityInt;
 336     u32 suspensionInt;
 337     u32 serviceStartTime;
 338     u32 minDataRate;
 339     u32 meanDataRate;
 340     u32 peakDataRate;
 341     u32 maxBurstSize;
 342     u32 delayBound;
 343     u32 minPhyRate;
 344     u16 sba;
 345     u16 mediumTime;
 346 } POSTPACK WMM_TSPEC_IE;
 347
 348
 349 /*
 350  * BEACON management packets
 351  *
 352  *  octet timestamp[8]
 353  *  octet beacon interval[2]
 354  *  octet capability information[2]
 355  *  information element
 356  *      octet elemid
 357  *      octet length
 358  *      octet information[length]
 359  */
 360
 361 #define IEEE80211_BEACON_INTERVAL(beacon) \
 362     ((beacon)[8] | ((beacon)[9] << 8))
 363 #define IEEE80211_BEACON_CAPABILITY(beacon) \
 364     ((beacon)[10] | ((beacon)[11] << 8))
 365
 366 #define IEEE80211_CAPINFO_ESS               0x0001
 367 #define IEEE80211_CAPINFO_IBSS              0x0002
 368 #define IEEE80211_CAPINFO_CF_POLLABLE       0x0004
 369 #define IEEE80211_CAPINFO_CF_POLLREQ        0x0008
 370 #define IEEE80211_CAPINFO_PRIVACY           0x0010
 371 #define IEEE80211_CAPINFO_SHORT_PREAMBLE    0x0020
 372 #define IEEE80211_CAPINFO_PBCC              0x0040
 373 #define IEEE80211_CAPINFO_CHNL_AGILITY      0x0080
 374 /* bits 8-9 are reserved */
 375 #define IEEE80211_CAPINFO_SHORT_SLOTTIME    0x0400
 376 #define IEEE80211_CAPINFO_APSD              0x0800
 377 /* bit 12 is reserved */
 378 #define IEEE80211_CAPINFO_DSSSOFDM          0x2000
 379 /* bits 14-15 are reserved */
 380
 381 /*
 382  * Authentication Modes
 383  */
 384
 385 enum ieee80211_authmode {
 386     IEEE80211_AUTH_NONE     = 0,
 387     IEEE80211_AUTH_OPEN     = 1,
 388     IEEE80211_AUTH_SHARED   = 2,
 389     IEEE80211_AUTH_8021X    = 3,
 390     IEEE80211_AUTH_AUTO     = 4,   /* auto-select/accept */
 391     /* NB: these are used only for ioctls */
 392     IEEE80211_AUTH_WPA      = 5,  /* WPA/RSN  w/ 802.1x */
 393     IEEE80211_AUTH_WPA_PSK  = 6,  /* WPA/RSN  w/ PSK */
 394     IEEE80211_AUTH_WPA_CCKM = 7,  /* WPA/RSN IE  w/ CCKM */
 395 };
 396
 397 #define IEEE80211_PS_MAX_QUEUE    50 /*Maximum no of buffers that can be queues for PS*/
 398
 399 #include "athendpack.h"
 400
 401 #endif /* _NET80211_IEEE80211_H_ */