| 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_ */ |
| 343 | |
