target/linux/s3c24xx/files-2.6.31/drivers/ar6000/include/ieee80211.h

   1 /*-
   2  * Copyright (c) 2001 Atsushi Onoe
   3  * Copyright (c) 2002-2004 Sam Leffler, Errno Consulting
   4  * Copyright (c) 2006 Atheros Communications, Inc.
   5  *
   6  * Wireless Network driver for Atheros AR6001
   7  * All rights reserved.
   8  *
   9  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  10  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  11  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  12  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  13  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  14  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  15  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  16  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  17  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  18  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  19  *
  20  */
  21 #ifndef _NET80211_IEEE80211_H_
  22 #define _NET80211_IEEE80211_H_
  23
  24 #include "athstartpack.h"
  25
  26 /*
  27  * 802.11 protocol definitions.
  28  */
  29
  30 #define IEEE80211_ADDR_LEN  6       /* size of 802.11 address */
  31 /* is 802.11 address multicast/broadcast? */
  32 #define IEEE80211_IS_MULTICAST(_a)  (*(_a) & 0x01)
  33 #define IEEE80211_ADDR_EQ(addr1, addr2)     \
  34     (A_MEMCMP(addr1, addr2, IEEE80211_ADDR_LEN) == 0)
  35
  36 #define IEEE80211_KEYBUF_SIZE 16
  37 #define IEEE80211_MICBUF_SIZE (8+8)  /* space for both tx and rx */
  38
  39 /*
  40  * NB: these values are ordered carefully; there are lots of
  41  * of implications in any reordering.  In particular beware
  42  * that 4 is not used to avoid conflicting with IEEE80211_F_PRIVACY.
  43  */
  44 #define IEEE80211_CIPHER_WEP            0
  45 #define IEEE80211_CIPHER_TKIP           1
  46 #define IEEE80211_CIPHER_AES_OCB        2
  47 #define IEEE80211_CIPHER_AES_CCM        3
  48 #define IEEE80211_CIPHER_CKIP           5
  49 #define IEEE80211_CIPHER_CCKM_KRK       6
  50 #define IEEE80211_CIPHER_NONE           7       /* pseudo value */
  51
  52 #define IEEE80211_CIPHER_MAX            (IEEE80211_CIPHER_NONE+1)
  53
  54 #define IEEE80211_IS_VALID_WEP_CIPHER_LEN(len) \
  55         (((len) == 5) || ((len) == 13) || ((len) == 16))
  56
  57
  58
  59 /*
  60  * generic definitions for IEEE 802.11 frames
  61  */
  62 PREPACK struct ieee80211_frame {
  63     A_UINT8    i_fc[2];
  64     A_UINT8    i_dur[2];
  65     A_UINT8    i_addr1[IEEE80211_ADDR_LEN];
  66     A_UINT8    i_addr2[IEEE80211_ADDR_LEN];
  67     A_UINT8    i_addr3[IEEE80211_ADDR_LEN];
  68     A_UINT8    i_seq[2];
  69     /* possibly followed by addr4[IEEE80211_ADDR_LEN]; */
  70     /* see below */
  71 } POSTPACK;
  72
  73 #define IEEE80211_FC0_VERSION_MASK          0x03
  74 #define IEEE80211_FC0_VERSION_SHIFT         0
  75 #define IEEE80211_FC0_VERSION_0             0x00
  76 #define IEEE80211_FC0_TYPE_MASK             0x0c
  77 #define IEEE80211_FC0_TYPE_SHIFT            2
  78 #define IEEE80211_FC0_TYPE_MGT              0x00
  79 #define IEEE80211_FC0_TYPE_CTL              0x04
  80 #define IEEE80211_FC0_TYPE_DATA             0x08
  81
  82 #define IEEE80211_FC0_SUBTYPE_MASK          0xf0
  83 #define IEEE80211_FC0_SUBTYPE_SHIFT         4
  84 /* for TYPE_MGT */
  85 #define IEEE80211_FC0_SUBTYPE_ASSOC_REQ     0x00
  86 #define IEEE80211_FC0_SUBTYPE_ASSOC_RESP    0x10
  87 #define IEEE80211_FC0_SUBTYPE_REASSOC_REQ   0x20
  88 #define IEEE80211_FC0_SUBTYPE_REASSOC_RESP  0x30
  89 #define IEEE80211_FC0_SUBTYPE_PROBE_REQ     0x40
  90 #define IEEE80211_FC0_SUBTYPE_PROBE_RESP    0x50
  91 #define IEEE80211_FC0_SUBTYPE_BEACON        0x80
  92 #define IEEE80211_FC0_SUBTYPE_ATIM          0x90
  93 #define IEEE80211_FC0_SUBTYPE_DISASSOC      0xa0
  94 #define IEEE80211_FC0_SUBTYPE_AUTH          0xb0
  95 #define IEEE80211_FC0_SUBTYPE_DEAUTH        0xc0
  96 /* for TYPE_CTL */
  97 #define IEEE80211_FC0_SUBTYPE_PS_POLL       0xa0
  98 #define IEEE80211_FC0_SUBTYPE_RTS           0xb0
  99 #define IEEE80211_FC0_SUBTYPE_CTS           0xc0
 100 #define IEEE80211_FC0_SUBTYPE_ACK           0xd0
 101 #define IEEE80211_FC0_SUBTYPE_CF_END        0xe0
 102 #define IEEE80211_FC0_SUBTYPE_CF_END_ACK    0xf0
 103 /* for TYPE_DATA (bit combination) */
 104 #define IEEE80211_FC0_SUBTYPE_DATA          0x00
 105 #define IEEE80211_FC0_SUBTYPE_CF_ACK        0x10
 106 #define IEEE80211_FC0_SUBTYPE_CF_POLL       0x20
 107 #define IEEE80211_FC0_SUBTYPE_CF_ACPL       0x30
 108 #define IEEE80211_FC0_SUBTYPE_NODATA        0x40
 109 #define IEEE80211_FC0_SUBTYPE_CFACK         0x50
 110 #define IEEE80211_FC0_SUBTYPE_CFPOLL        0x60
 111 #define IEEE80211_FC0_SUBTYPE_CF_ACK_CF_ACK 0x70
 112 #define IEEE80211_FC0_SUBTYPE_QOS           0x80
 113 #define IEEE80211_FC0_SUBTYPE_QOS_NULL      0xc0
 114
 115 #define IEEE80211_FC1_DIR_MASK              0x03
 116 #define IEEE80211_FC1_DIR_NODS              0x00    /* STA->STA */
 117 #define IEEE80211_FC1_DIR_TODS              0x01    /* STA->AP  */
 118 #define IEEE80211_FC1_DIR_FROMDS            0x02    /* AP ->STA */
 119 #define IEEE80211_FC1_DIR_DSTODS            0x03    /* AP ->AP  */
 120
 121 #define IEEE80211_FC1_MORE_FRAG             0x04
 122 #define IEEE80211_FC1_RETRY                 0x08
 123 #define IEEE80211_FC1_PWR_MGT               0x10
 124 #define IEEE80211_FC1_MORE_DATA             0x20
 125 #define IEEE80211_FC1_WEP                   0x40
 126 #define IEEE80211_FC1_ORDER                 0x80
 127
 128 #define IEEE80211_SEQ_FRAG_MASK             0x000f
 129 #define IEEE80211_SEQ_FRAG_SHIFT            0
 130 #define IEEE80211_SEQ_SEQ_MASK              0xfff0
 131 #define IEEE80211_SEQ_SEQ_SHIFT             4
 132
 133 #define IEEE80211_NWID_LEN                  32
 134
 135 /*
 136  * 802.11 rate set.
 137  */
 138 #define IEEE80211_RATE_SIZE     8       /* 802.11 standard */
 139 #define IEEE80211_RATE_MAXSIZE  15      /* max rates we'll handle */
 140
 141 #define WMM_NUM_AC                  4   /* 4 AC categories */
 142
 143 #define WMM_PARAM_ACI_M         0x60    /* Mask for ACI field */
 144 #define WMM_PARAM_ACI_S         5   /* Shift for ACI field */
 145 #define WMM_PARAM_ACM_M         0x10    /* Mask for ACM bit */
 146 #define WMM_PARAM_ACM_S         4       /* Shift for ACM bit */
 147 #define WMM_PARAM_AIFSN_M       0x0f    /* Mask for aifsn field */
 148 #define WMM_PARAM_LOGCWMIN_M    0x0f    /* Mask for CwMin field (in log) */
 149 #define WMM_PARAM_LOGCWMAX_M    0xf0    /* Mask for CwMax field (in log) */
 150 #define WMM_PARAM_LOGCWMAX_S    4   /* Shift for CwMax field */
 151
 152 #define WMM_AC_TO_TID(_ac) (       \
 153     ((_ac) == WMM_AC_VO) ? 6 : \
 154     ((_ac) == WMM_AC_VI) ? 5 : \
 155     ((_ac) == WMM_AC_BK) ? 1 : \
 156     0)
 157
 158 #define TID_TO_WMM_AC(_tid) (      \
 159     ((_tid) < 1) ? WMM_AC_BE : \
 160     ((_tid) < 3) ? WMM_AC_BK : \
 161     ((_tid) < 6) ? WMM_AC_VI : \
 162     WMM_AC_VO)
 163 /*
 164  * Management information element payloads.
 165  */
 166
 167 enum {
 168     IEEE80211_ELEMID_SSID       = 0,
 169     IEEE80211_ELEMID_RATES      = 1,
 170     IEEE80211_ELEMID_FHPARMS    = 2,
 171     IEEE80211_ELEMID_DSPARMS    = 3,
 172     IEEE80211_ELEMID_CFPARMS    = 4,
 173     IEEE80211_ELEMID_TIM        = 5,
 174     IEEE80211_ELEMID_IBSSPARMS  = 6,
 175     IEEE80211_ELEMID_COUNTRY    = 7,
 176     IEEE80211_ELEMID_CHALLENGE  = 16,
 177     /* 17-31 reserved for challenge text extension */
 178     IEEE80211_ELEMID_PWRCNSTR   = 32,
 179     IEEE80211_ELEMID_PWRCAP     = 33,
 180     IEEE80211_ELEMID_TPCREQ     = 34,
 181     IEEE80211_ELEMID_TPCREP     = 35,
 182     IEEE80211_ELEMID_SUPPCHAN   = 36,
 183     IEEE80211_ELEMID_CHANSWITCH = 37,
 184     IEEE80211_ELEMID_MEASREQ    = 38,
 185     IEEE80211_ELEMID_MEASREP    = 39,
 186     IEEE80211_ELEMID_QUIET      = 40,
 187     IEEE80211_ELEMID_IBSSDFS    = 41,
 188     IEEE80211_ELEMID_ERP        = 42,
 189     IEEE80211_ELEMID_RSN        = 48,
 190     IEEE80211_ELEMID_XRATES     = 50,
 191     IEEE80211_ELEMID_TPC        = 150,
 192     IEEE80211_ELEMID_CCKM       = 156,
 193     IEEE80211_ELEMID_VENDOR     = 221,  /* vendor private */
 194 };
 195
 196 #define ATH_OUI             0x7f0300        /* Atheros OUI */
 197 #define ATH_OUI_TYPE        0x01
 198 #define ATH_OUI_SUBTYPE     0x01
 199 #define ATH_OUI_VERSION     0x00
 200
 201 #define WPA_OUI             0xf25000
 202 #define WPA_OUI_TYPE        0x01
 203 #define WPA_VERSION         1          /* current supported version */
 204
 205 #define WPA_CSE_NULL        0x00
 206 #define WPA_CSE_WEP40       0x01
 207 #define WPA_CSE_TKIP        0x02
 208 #define WPA_CSE_CCMP        0x04
 209 #define WPA_CSE_WEP104      0x05
 210
 211 #define WPA_ASE_NONE        0x00
 212 #define WPA_ASE_8021X_UNSPEC    0x01
 213 #define WPA_ASE_8021X_PSK   0x02
 214
 215 #define RSN_OUI         0xac0f00
 216 #define RSN_VERSION     1       /* current supported version */
 217
 218 #define RSN_CSE_NULL        0x00
 219 #define RSN_CSE_WEP40       0x01
 220 #define RSN_CSE_TKIP        0x02
 221 #define RSN_CSE_WRAP        0x03
 222 #define RSN_CSE_CCMP        0x04
 223 #define RSN_CSE_WEP104      0x05
 224
 225 #define RSN_ASE_NONE        0x00
 226 #define RSN_ASE_8021X_UNSPEC    0x01
 227 #define RSN_ASE_8021X_PSK   0x02
 228
 229 #define RSN_CAP_PREAUTH     0x01
 230
 231 #define WMM_OUI         0xf25000
 232 #define WMM_OUI_TYPE        0x02
 233 #define WMM_INFO_OUI_SUBTYPE    0x00
 234 #define WMM_PARAM_OUI_SUBTYPE   0x01
 235 #define WMM_VERSION     1
 236
 237 /* WMM stream classes */
 238 #define WMM_NUM_AC  4
 239 #define WMM_AC_BE   0       /* best effort */
 240 #define WMM_AC_BK   1       /* background */
 241 #define WMM_AC_VI   2       /* video */
 242 #define WMM_AC_VO   3       /* voice */
 243
 244 /* TSPEC related */
 245 #define ACTION_CATEGORY_CODE_TSPEC                 17
 246 #define ACTION_CODE_TSPEC_ADDTS                    0
 247 #define ACTION_CODE_TSPEC_ADDTS_RESP               1
 248 #define ACTION_CODE_TSPEC_DELTS                    2
 249
 250 typedef enum {
 251     TSPEC_STATUS_CODE_ADMISSION_ACCEPTED = 0,
 252     TSPEC_STATUS_CODE_ADDTS_INVALID_PARAMS = 0x1,
 253     TSPEC_STATUS_CODE_ADDTS_REQUEST_REFUSED = 0x3,
 254     TSPEC_STATUS_CODE_UNSPECIFIED_QOS_RELATED_FAILURE = 0xC8,
 255     TSPEC_STATUS_CODE_REQUESTED_REFUSED_POLICY_CONFIGURATION = 0xC9,
 256     TSPEC_STATUS_CODE_INSUFFCIENT_BANDWIDTH = 0xCA,
 257     TSPEC_STATUS_CODE_INVALID_PARAMS = 0xCB,
 258     TSPEC_STATUS_CODE_DELTS_SENT    = 0x30,
 259     TSPEC_STATUS_CODE_DELTS_RECV    = 0x31,
 260 } TSPEC_STATUS_CODE;
 261
 262 /*
 263  * WMM/802.11e Tspec Element
 264  */
 265 typedef PREPACK struct wmm_tspec_ie_t {
 266     A_UINT8     elementId;
 267     A_UINT8     len;
 268     A_UINT8     oui[3];
 269     A_UINT8     ouiType;
 270     A_UINT8     ouiSubType;
 271     A_UINT8     version;
 272     A_UINT16    tsInfo_info;
 273     A_UINT8     tsInfo_reserved;
 274     A_UINT16    nominalMSDU;
 275     A_UINT16    maxMSDU;
 276     A_UINT32    minServiceInt;
 277     A_UINT32    maxServiceInt;
 278     A_UINT32    inactivityInt;
 279     A_UINT32    suspensionInt;
 280     A_UINT32    serviceStartTime;
 281     A_UINT32    minDataRate;
 282     A_UINT32    meanDataRate;
 283     A_UINT32    peakDataRate;
 284     A_UINT32    maxBurstSize;
 285     A_UINT32    delayBound;
 286     A_UINT32    minPhyRate;
 287     A_UINT16    sba;
 288     A_UINT16    mediumTime;
 289 } POSTPACK WMM_TSPEC_IE;
 290
 291
 292 /*
 293  * BEACON management packets
 294  *
 295  *  octet timestamp[8]
 296  *  octet beacon interval[2]
 297  *  octet capability information[2]
 298  *  information element
 299  *      octet elemid
 300  *      octet length
 301  *      octet information[length]
 302  */
 303
 304 #define IEEE80211_BEACON_INTERVAL(beacon) \
 305     ((beacon)[8] | ((beacon)[9] << 8))
 306 #define IEEE80211_BEACON_CAPABILITY(beacon) \
 307     ((beacon)[10] | ((beacon)[11] << 8))
 308
 309 #define IEEE80211_CAPINFO_ESS               0x0001
 310 #define IEEE80211_CAPINFO_IBSS              0x0002
 311 #define IEEE80211_CAPINFO_CF_POLLABLE       0x0004
 312 #define IEEE80211_CAPINFO_CF_POLLREQ        0x0008
 313 #define IEEE80211_CAPINFO_PRIVACY           0x0010
 314 #define IEEE80211_CAPINFO_SHORT_PREAMBLE    0x0020
 315 #define IEEE80211_CAPINFO_PBCC              0x0040
 316 #define IEEE80211_CAPINFO_CHNL_AGILITY      0x0080
 317 /* bits 8-9 are reserved */
 318 #define IEEE80211_CAPINFO_SHORT_SLOTTIME    0x0400
 319 #define IEEE80211_CAPINFO_APSD              0x0800
 320 /* bit 12 is reserved */
 321 #define IEEE80211_CAPINFO_DSSSOFDM          0x2000
 322 /* bits 14-15 are reserved */
 323
 324 /*
 325  * Authentication Modes
 326  */
 327
 328 enum ieee80211_authmode {
 329     IEEE80211_AUTH_NONE     = 0,
 330     IEEE80211_AUTH_OPEN     = 1,
 331     IEEE80211_AUTH_SHARED   = 2,
 332     IEEE80211_AUTH_8021X    = 3,
 333     IEEE80211_AUTH_AUTO     = 4,   /* auto-select/accept */
 334     /* NB: these are used only for ioctls */
 335     IEEE80211_AUTH_WPA      = 5,  /* WPA/RSN  w/ 802.1x */
 336     IEEE80211_AUTH_WPA_PSK  = 6,  /* WPA/RSN  w/ PSK */
 337     IEEE80211_AUTH_WPA_CCKM = 7,  /* WPA/RSN IE  w/ CCKM */
 338 };
 339
 340 #include "athendpack.h"
 341
 342 #endif /* _NET80211_IEEE80211_H_ */