1 // 2 // Copyright (C) 2012 The Android Open Source Project 3 // 4 // Licensed under the Apache License, Version 2.0 (the "License"); 5 // you may not use this file except in compliance with the License. 6 // You may obtain a copy of the License at 7 // 8 // http://www.apache.org/licenses/LICENSE-2.0 9 // 10 // Unless required by applicable law or agreed to in writing, software 11 // distributed under the License is distributed on an "AS IS" BASIS, 12 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 // See the License for the specific language governing permissions and 14 // limitations under the License. 15 // 16 17 #ifndef SHILL_NET_IEEE80211_H_ 18 #define SHILL_NET_IEEE80211_H_ 19 20 namespace shill { 21 22 namespace IEEE_80211 { 23 // Information Element Ids from IEEE 802.11-2012 Section 8.4.2 24 const uint8_t kElemIdChannels = 0x24; 25 const uint8_t kElemIdChallengeText = 0x10; 26 const uint8_t kElemIdCountry = 0x07; 27 const uint8_t kElemIdDSParameterSet = 0x03; 28 const uint8_t kElemIdErp = 0x2a; 29 const uint8_t kElemIdExtendedRates = 0x32; 30 const uint8_t kElemIdHTCap = 0x2d; 31 const uint8_t kElemIdHTInfo = 0x3d; 32 const uint8_t kElemIdPowerCapability = 0x21; 33 const uint8_t kElemIdPowerConstraint = 0x20; 34 const uint8_t kElemIdRequest = 0x0a; 35 const uint8_t kElemIdRSN = 0x30; 36 const uint8_t kElemIdSsid = 0x00; 37 const uint8_t kElemIdSupportedRates = 0x01; 38 const uint8_t kElemIdTpcReport = 0x23; 39 const uint8_t kElemIdVendor = 0xdd; 40 const uint8_t kElemIdVHTCap = 0xbf; 41 const uint8_t kElemIdVHTOperation = 0xc0; 42 43 const unsigned int kMaxSSIDLen = 32; 44 45 const unsigned int kWEP40AsciiLen = 5; 46 const unsigned int kWEP40HexLen = 10; 47 const unsigned int kWEP104AsciiLen = 13; 48 const unsigned int kWEP104HexLen = 26; 49 50 const unsigned int kWPAAsciiMinLen = 8; 51 const unsigned int kWPAAsciiMaxLen = 63; 52 const unsigned int kWPAHexLen = 64; 53 54 const uint32_t kOUIVendorEpigram = 0x00904c; 55 const uint32_t kOUIVendorMicrosoft = 0x0050f2; 56 57 const uint8_t kOUIMicrosoftWPA = 1; 58 const uint8_t kOUIMicrosoftWPS = 4; 59 const uint16_t kWPSElementManufacturer = 0x1021; 60 const uint16_t kWPSElementModelName = 0x1023; 61 const uint16_t kWPSElementModelNumber = 0x1024; 62 const uint16_t kWPSElementDeviceName = 0x1011; 63 64 const int kRSNIEVersionLen = 2; 65 const int kRSNIESelectorLen = 4; 66 const int kRSNIECipherCountOffset = kRSNIEVersionLen + kRSNIESelectorLen; 67 const int kRSNIECipherCountLen = 2; 68 const int kRSNIENumCiphers = 2; 69 const int kRSNIECapabilitiesLen = 2; 70 const uint16_t kRSNCapabilityPreAuth = 0x0001; 71 const uint16_t kRSNCapabilityPairwise = 0x0002; 72 const uint16_t kRSNCapabilityPTKSA = 0x000c; 73 const uint16_t kRSNCapabilityGTKSA = 0x0030; 74 const uint16_t kRSNCapabilityFrameProtectionRequired = 0x0040; 75 const uint16_t kRSNCapabilityFrameProtectionCapable = 0x0080; 76 const uint16_t kRSNCapabilityPeerKey = 0x0200; 77 78 /* 802.11n HT capabilities masks (for cap_info) */ 79 const uint16_t kHTCapMaskLdpcCoding = 0x0001; 80 const uint16_t kHTCapMaskSupWidth2040 = 0x0002; 81 const uint16_t kHTCapMaskSmPs = 0x000c; 82 const uint16_t kHTCapMaskSmPsShift = 2; 83 const uint16_t kHTCapMaskGrnFld = 0x0010; 84 const uint16_t kHTCapMaskSgi20 = 0x0020; 85 const uint16_t kHTCapMaskSgi40 = 0x0040; 86 const uint16_t kHTCapMaskTxStbc = 0x0080; 87 const uint16_t kHTCapMaskRxStbc = 0x0300; 88 const uint16_t kHTCapMaskRxStbcShift = 8; 89 const uint16_t kHTCapMaskDelayBA = 0x0400; 90 const uint16_t kHTCapMaskMaxAmsdu = 0x0800; 91 const uint16_t kHTCapMaskDsssCck40 = 0x1000; 92 const uint16_t kHTCapMask40MHzIntolerant = 0x4000; 93 const uint16_t kHTCapMaskLsigTxopProt = 0x8000; 94 95 // Beacon and Probe Response Capability Information field masks from 96 // IEEE 802.11-2012 Section 8.4.1.4 97 const uint16_t kWlanCapMaskEss = 0x0001; 98 const uint16_t kWlanCapMaskIbss = 0x0002; 99 const uint16_t kWlanCapMaskContentionFreePollable = 0x0004; 100 const uint16_t kWlanCapMaskContentionFreePollRequest = 0x0008; 101 const uint16_t kWlanCapMaskPrivacy = 0x0010; 102 const uint16_t kWlanCapMaskShortPreamble = 0x0020; 103 const uint16_t kWlanCapMaskPbcc = 0x0040; 104 const uint16_t kWlanCapMaskChannelAgility = 0x0080; 105 const uint16_t kWlanCapMaskSpectrumMgmt = 0x0100; 106 const uint16_t kWlanCapMaskQoS = 0x0200; 107 const uint16_t kWlanCapMaskShortSlotTime = 0x0400; 108 const uint16_t kWlanCapMaskApsd = 0x0800; 109 const uint16_t kWlanCapMaskRadioMeasurement = 0x1000; 110 const uint16_t kWlanCapMaskDsssOfdm = 0x2000; 111 const uint16_t kWlanCapMaskDelayedBlockAck = 0x4000; 112 const uint16_t kWlanCapMaskImmediateBlockAck = 0x8000; 113 114 115 // This structure is incomplete. Fields will be added as necessary. 116 // 117 // NOTE: the uint16_t stuff is in little-endian format so conversions are 118 // required. 119 struct ieee80211_frame { 120 uint16_t frame_control; 121 uint16_t duration_usec; 122 uint8_t destination_mac[6]; 123 uint8_t source_mac[6]; 124 uint8_t address[6]; 125 uint16_t sequence_control; 126 union { 127 struct { 128 uint16_t reserved_1; 129 uint16_t reserved_2; 130 uint16_t status_code; 131 } authentiate_message; 132 struct { 133 uint16_t reason_code; 134 } deauthentiate_message; 135 struct { 136 uint16_t reserved_1; 137 uint16_t status_code; 138 } associate_response; 139 } u; 140 }; 141 142 // Status/reason code returned by nl80211 messages: Authenticate, 143 // Deauthenticate, Associate, and Reassociate. 144 enum WiFiReasonCode { 145 kReasonCodeReserved0 = 0, // 0 is reserved. 146 kReasonCodeUnspecified = 1, 147 kReasonCodePreviousAuthenticationInvalid = 2, 148 kReasonCodeSenderHasLeft = 3, 149 kReasonCodeInactivity = 4, 150 kReasonCodeTooManySTAs = 5, 151 kReasonCodeNonAuthenticated = 6, 152 kReasonCodeNonAssociated = 7, 153 kReasonCodeDisassociatedHasLeft = 8, 154 kReasonCodeReassociationNotAuthenticated = 9, 155 kReasonCodeUnacceptablePowerCapability = 10, 156 kReasonCodeUnacceptableSupportedChannelInfo = 11, 157 kReasonCodeReserved12 = 12, // 12 is reserved. 158 kReasonCodeInvalidInfoElement = 13, 159 kReasonCodeMICFailure = 14, 160 kReasonCode4WayTimeout = 15, 161 kReasonCodeGroupKeyHandshakeTimeout = 16, 162 kReasonCodeDifferenIE = 17, 163 kReasonCodeGroupCipherInvalid = 18, 164 kReasonCodePairwiseCipherInvalid = 19, 165 kReasonCodeAkmpInvalid = 20, 166 kReasonCodeUnsupportedRsnIeVersion = 21, 167 kReasonCodeInvalidRsnIeCaps = 22, 168 kReasonCode8021XAuth = 23, 169 kReasonCodeCipherSuiteRejected = 24, 170 kReasonCodeReservedBegin25 = 25, // 25-31 are reserved. 171 kReasonCodeReservedEnd31 = 31, 172 kReasonCodeUnspecifiedQoS = 32, 173 kReasonCodeQoSBandwidth = 33, 174 kReasonCodeiPoorConditions = 34, 175 kReasonCodeOutsideTxop = 35, 176 kReasonCodeStaLeaving = 36, 177 kReasonCodeUnacceptableMechanism = 37, 178 kReasonCodeSetupRequired = 38, 179 kReasonCodeTimeout = 39, 180 kReasonCodeReservedBegin40 = 40, // 40-44 are reserved. 181 kReasonCodeReservedEnd44 = 44, 182 kReasonCodeCipherSuiteNotSupported = 45, 183 kReasonCodeMax, 184 kReasonCodeInvalid = UINT16_MAX 185 }; 186 187 enum WiFiStatusCode { 188 kStatusCodeSuccessful = 0, 189 kStatusCodeFailure = 1, 190 // 2-9 are reserved. 191 kStatusCodeAllCapabilitiesNotSupported = 10, 192 kStatusCodeCantConfirmAssociation = 11, 193 kStatusCodeAssociationDenied = 12, 194 kStatusCodeAuthenticationUnsupported = 13, 195 kStatusCodeOutOfSequence = 14, 196 kStatusCodeChallengeFailure = 15, 197 kStatusCodeFrameTimeout = 16, 198 kStatusCodeMaxSta = 17, 199 kStatusCodeDataRateUnsupported = 18, 200 kStatusCodeShortPreambleUnsupported = 19, 201 kStatusCodePbccUnsupported = 20, 202 kStatusCodeChannelAgilityUnsupported = 21, 203 kStatusCodeNeedSpectrumManagement = 22, 204 kStatusCodeUnacceptablePowerCapability = 23, 205 kStatusCodeUnacceptableSupportedChannelInfo = 24, 206 kStatusCodeShortTimeSlotRequired = 25, 207 kStatusCodeDssOfdmRequired = 26, 208 // 27-31 are reserved. 209 kStatusCodeQosFailure = 32, 210 kStatusCodeInsufficientBandwithForQsta = 33, 211 kStatusCodePoorConditions = 34, 212 kStatusCodeQosNotSupported = 35, 213 // 36 is reserved. 214 kStatusCodeDeclined = 37, 215 kStatusCodeInvalidParameterValues = 38, 216 kStatusCodeCannotBeHonored = 39, 217 kStatusCodeInvalidInfoElement = 40, 218 kStatusCodeGroupCipherInvalid = 41, 219 kStatusCodePairwiseCipherInvalid = 42, 220 kStatusCodeAkmpInvalid = 43, 221 kStatusCodeUnsupportedRsnIeVersion = 44, 222 kStatusCodeInvalidRsnIeCaps = 45, 223 kStatusCodeCipherSuiteRejected = 46, 224 kStatusCodeTsDelayNotMet = 47, 225 kStatusCodeDirectLinkIllegal = 48, 226 kStatusCodeStaNotInBss = 49, 227 kStatusCodeStaNotInQsta = 50, 228 kStatusCodeExcessiveListenInterval = 51, 229 kStatusCodeMax, 230 kStatusCodeInvalid = UINT16_MAX 231 }; 232 233 } // namespace IEEE_80211 234 235 } // namespace shill 236 237 #endif // SHILL_NET_IEEE80211_H_ 238
