/* * Copyright 2004, Broadcom Corporation * All Rights Reserved. * * THIS SOFTWARE IS OFFERED "AS IS", AND BROADCOM GRANTS NO WARRANTIES OF ANY * KIND, EXPRESS OR IMPLIED, BY STATUTE, COMMUNICATION OR OTHERWISE. BROADCOM * SPECIFICALLY DISCLAIMS ANY IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS * FOR A SPECIFIC PURPOSE OR NONINFRINGEMENT CONCERNING THIS SOFTWARE. * * Fundamental types and constants relating to 802.11 * * $Id$ */ #ifndef _802_11_H_ #define _802_11_H_ #ifndef _TYPEDEFS_H_ #include #endif #ifndef _NET_ETHERNET_H_ #include #endif /* enable structure packing */ #if !defined(__GNUC__) #pragma pack(1) #endif /* some platforms require stronger medicine */ #if defined(__GNUC__) #define PACKED __attribute__((packed)) #else #define PACKED #endif #define DOT11_TU_TO_US 1024 /* 802.11 Time Unit is 1024 microseconds */ /* Generic 802.11 frame constants */ #define DOT11_A3_HDR_LEN 24 #define DOT11_A4_HDR_LEN 30 #define DOT11_MAC_HDR_LEN DOT11_A3_HDR_LEN #define DOT11_FCS_LEN 4 #define DOT11_ICV_LEN 4 #define DOT11_ICV_AES_LEN 8 #define DOT11_QOS_LEN 2 #define DOT11_KEY_INDEX_SHIFT 6 #define DOT11_IV_LEN 4 #define DOT11_IV_TKIP_LEN 8 #define DOT11_IV_AES_OCB_LEN 4 #define DOT11_IV_AES_CCM_LEN 8 /* Includes MIC */ #define DOT11_MAX_MPDU_BODY_LEN 2304 /* A4 header + QoS + CCMP + PDU + ICV + FCS = 2352 */ #define DOT11_MAX_MPDU_LEN (DOT11_A4_HDR_LEN + \ DOT11_QOS_LEN + \ DOT11_IV_AES_CCM_LEN + \ DOT11_MAX_MPDU_BODY_LEN + \ DOT11_ICV_LEN + \ DOT11_FCS_LEN) #define DOT11_MAX_SSID_LEN 32 /* dot11RTSThreshold */ #define DOT11_DEFAULT_RTS_LEN 2347 #define DOT11_MAX_RTS_LEN 2347 /* dot11FragmentationThreshold */ #define DOT11_MIN_FRAG_LEN 256 #define DOT11_MAX_FRAG_LEN 2346 /* Max frag is also limited by aMPDUMaxLength of the attached PHY */ #define DOT11_DEFAULT_FRAG_LEN 2346 /* dot11BeaconPeriod */ #define DOT11_MIN_BEACON_PERIOD 1 #define DOT11_MAX_BEACON_PERIOD 0xFFFF /* dot11DTIMPeriod */ #define DOT11_MIN_DTIM_PERIOD 1 #define DOT11_MAX_DTIM_PERIOD 0xFF /* 802.2 LLC/SNAP header used by 802.11 per 802.1H */ #define DOT11_LLC_SNAP_HDR_LEN 8 #define DOT11_OUI_LEN 3 struct dot11_llc_snap_header { uint8 dsap; /* always 0xAA */ uint8 ssap; /* always 0xAA */ uint8 ctl; /* always 0x03 */ uint8 oui[DOT11_OUI_LEN]; /* RFC1042: 0x00 0x00 0x00 Bridge-Tunnel: 0x00 0x00 0xF8 */ uint16 type; /* ethertype */ } PACKED; /* RFC1042 header used by 802.11 per 802.1H */ #define RFC1042_HDR_LEN (ETHER_HDR_LEN + DOT11_LLC_SNAP_HDR_LEN) /* Generic 802.11 MAC header */ /* * N.B.: This struct reflects the full 4 address 802.11 MAC header. * The fields are defined such that the shorter 1, 2, and 3 * address headers just use the first k fields. */ struct dot11_header { uint16 fc; /* frame control */ uint16 durid; /* duration/ID */ struct ether_addr a1; /* address 1 */ struct ether_addr a2; /* address 2 */ struct ether_addr a3; /* address 3 */ uint16 seq; /* sequence control */ struct ether_addr a4; /* address 4 */ } PACKED; /* Control frames */ struct dot11_rts_frame { uint16 fc; /* frame control */ uint16 durid; /* duration/ID */ struct ether_addr ra; /* receiver address */ struct ether_addr ta; /* transmitter address */ } PACKED; #define DOT11_RTS_LEN 16 struct dot11_cts_frame { uint16 fc; /* frame control */ uint16 durid; /* duration/ID */ struct ether_addr ra; /* receiver address */ } PACKED; #define DOT11_CTS_LEN 10 struct dot11_ack_frame { uint16 fc; /* frame control */ uint16 durid; /* duration/ID */ struct ether_addr ra; /* receiver address */ } PACKED; #define DOT11_ACK_LEN 10 struct dot11_ps_poll_frame { uint16 fc; /* frame control */ uint16 durid; /* AID */ struct ether_addr bssid; /* receiver address, STA in AP */ struct ether_addr ta; /* transmitter address */ } PACKED; #define DOT11_PS_POLL_LEN 16 struct dot11_cf_end_frame { uint16 fc; /* frame control */ uint16 durid; /* duration/ID */ struct ether_addr ra; /* receiver address */ struct ether_addr bssid; /* transmitter address, STA in AP */ } PACKED; #define DOT11_CS_END_LEN 16 /* Management frame header */ struct dot11_management_header { uint16 fc; /* frame control */ uint16 durid; /* duration/ID */ struct ether_addr da; /* receiver address */ struct ether_addr sa; /* transmitter address */ struct ether_addr bssid; /* BSS ID */ uint16 seq; /* sequence control */ } PACKED; #define DOT11_MGMT_HDR_LEN 24 /* Management frame payloads */ struct dot11_bcn_prb { uint32 timestamp[2]; uint16 beacon_interval; uint16 capability; } PACKED; #define DOT11_BCN_PRB_LEN 12 struct dot11_auth { uint16 alg; /* algorithm */ uint16 seq; /* sequence control */ uint16 status; /* status code */ } PACKED; #define DOT11_AUTH_FIXED_LEN 6 /* length of auth frame without challenge info elt */ struct dot11_assoc_req { uint16 capability; /* capability information */ uint16 listen; /* listen interval */ } PACKED; struct dot11_assoc_resp { uint16 capability; /* capability information */ uint16 status; /* status code */ uint16 aid; /* association ID */ } PACKED; struct dot11_action_measure { uint8 category; uint8 action; uint8 token; uint8 data[1]; } PACKED; #define DOT11_ACTION_MEASURE_LEN 3 /************** 802.11h related definitions. **************/ typedef struct { uint8 id; uint8 len; uint8 power; } dot11_power_cnst_t; typedef struct { uint8 min; uint8 max; } dot11_power_cap_t; typedef struct { uint8 id; uint8 len; uint8 tx_pwr; uint8 margin; } dot11_tpc_rep_t; #define DOT11_MNG_IE_TPC_REPORT_LEN 2 /* length of IE data, not including 2 byte header */ typedef struct { uint8 id; uint8 len; uint8 first_channel; uint8 num_channels; } dot11_supp_channels_t; struct dot11_channel_switch { uint8 id; uint8 len; uint8 mode; uint8 channel; uint8 count; } PACKED; typedef struct dot11_channel_switch dot11_channel_switch_t; /* 802.11h Measurement Request/Report IEs */ /* Measurement Type field */ #define DOT11_MEASURE_TYPE_BASIC 0 #define DOT11_MEASURE_TYPE_CCA 1 #define DOT11_MEASURE_TYPE_RPI 2 /* Measurement Mode field */ /* Measurement Request Modes */ #define DOT11_MEASURE_MODE_ENABLE (1<<1) #define DOT11_MEASURE_MODE_REQUEST (1<<2) #define DOT11_MEASURE_MODE_REPORT (1<<3) /* Measurement Report Modes */ #define DOT11_MEASURE_MODE_LATE (1<<0) #define DOT11_MEASURE_MODE_INCAPABLE (1<<1) #define DOT11_MEASURE_MODE_REFUSED (1<<2) /* Basic Measurement Map bits */ #define DOT11_MEASURE_BASIC_MAP_BSS ((uint8)(1<<0)) #define DOT11_MEASURE_BASIC_MAP_OFDM ((uint8)(1<<1)) #define DOT11_MEASURE_BASIC_MAP_UKNOWN ((uint8)(1<<2)) #define DOT11_MEASURE_BASIC_MAP_RADAR ((uint8)(1<<3)) #define DOT11_MEASURE_BASIC_MAP_UNMEAS ((uint8)(1<<4)) typedef struct { uint8 id; uint8 len; uint8 token; uint8 mode; uint8 type; uint8 channel; uint8 start_time[8]; uint16 duration; } dot11_meas_req_t; #define DOT11_MNG_IE_MREQ_LEN 14 /* length of Measure Request IE data not including variable len */ #define DOT11_MNG_IE_MREQ_FIXED_LEN 3 struct dot11_meas_rep { uint8 id; uint8 len; uint8 token; uint8 mode; uint8 type; union { struct { uint8 channel; uint8 start_time[8]; uint16 duration; uint8 map; } PACKED basic; uint8 data[1]; } PACKED rep; } PACKED; typedef struct dot11_meas_rep dot11_meas_rep_t; /* length of Measure Report IE data not including variable len */ #define DOT11_MNG_IE_MREP_FIXED_LEN 3 struct dot11_meas_rep_basic { uint8 channel; uint8 start_time[8]; uint16 duration; uint8 map; } PACKED; typedef struct dot11_meas_rep_basic dot11_meas_rep_basic_t; #define DOT11_MEASURE_BASIC_REP_LEN 12 struct dot11_quiet { uint8 id; uint8 len; uint8 count; /* TBTTs until beacon interval in quiet starts */ uint8 period; /* Beacon intervals between periodic quiet periods ? */ uint16 duration;/* Length of quiet period, in TU's */ uint16 offset; /* TU's offset from TBTT in Count field */ } PACKED; typedef struct dot11_quiet dot11_quiet_t; typedef struct { uint8 channel; uint8 map; } chan_map_tuple_t; typedef struct { uint8 id; uint8 len; uint8 eaddr[ETHER_ADDR_LEN]; uint8 interval; chan_map_tuple_t map[1]; } dot11_ibss_dfs_t; /* WME Elements */ #define WME_OUI "\x00\x50\xf2" #define WME_VER 1 #define WME_TYPE 2 #define WME_SUBTYPE_IE 0 /* Information Element */ #define WME_SUBTYPE_PARAM_IE 1 /* Parameter Element */ #define WME_SUBTYPE_TSPEC 2 /* Traffic Specification */ /* WME Access Category Indices (ACIs) */ #define AC_BE 0 /* Best Effort */ #define AC_BK 1 /* Background */ #define AC_VI 2 /* Video */ #define AC_VO 3 /* Voice */ #define AC_MAX 4 /* WME Information Element (IE) */ struct wme_ie { uint8 oui[3]; uint8 type; uint8 subtype; uint8 version; uint8 acinfo; } PACKED; typedef struct wme_ie wme_ie_t; #define WME_IE_LEN 7 struct wme_acparam { uint8 ACI; uint8 ECW; uint16 TXOP; /* stored in network order (ls octet first) */ } PACKED; typedef struct wme_acparam wme_acparam_t; /* WME Parameter Element (PE) */ struct wme_params { uint8 oui[3]; uint8 type; uint8 subtype; uint8 version; uint8 acinfo; uint8 rsvd; wme_acparam_t acparam[4]; } PACKED; typedef struct wme_params wme_params_t; #define WME_PARAMS_IE_LEN 24 /* acinfo */ #define WME_COUNT_MASK 0x0f /* ACI */ #define WME_AIFS_MASK 0x0f #define WME_ACM_MASK 0x10 #define WME_ACI_MASK 0x60 #define WME_ACI_SHIFT 5 /* ECW */ #define WME_CWMIN_MASK 0x0f #define WME_CWMAX_MASK 0xf0 #define WME_CWMAX_SHIFT 4 #define WME_TXOP_UNITS 32 /* WME Traffic Specification (TSPEC) element */ #define WME_SUBTYPE_TSPEC 2 #define WME_TSPEC_HDR_LEN 2 #define WME_TSPEC_BODY_OFF 2 struct wme_tspec { uint8 oui[DOT11_OUI_LEN]; /* WME_OUI */ uint8 type; /* WME_TYPE */ uint8 subtype; /* WME_SUBTYPE_TSPEC */ uint8 version; /* WME_VERSION */ uint16 ts_info; /* TS Info */ uint16 nom_msdu_size; /* (Nominal or fixed) MSDU Size (bytes) */ uint16 max_msdu_size; /* Maximum MSDU Size (bytes) */ uint32 min_service_interval; /* Minimum Service Interval (us) */ uint32 max_service_interval; /* Maximum Service Interval (us) */ uint32 inactivity_interval; /* Inactivity Interval (us) */ uint32 service_start; /* Service Start Time (us) */ uint32 min_rate; /* Minimum Data Rate (bps) */ uint32 mean_rate; /* Mean Data Rate (bps) */ uint32 max_burst_size; /* Maximum Burst Size (bytes) */ uint32 min_phy_rate; /* Minimum PHY Rate (bps) */ uint32 peak_rate; /* Peak Data Rate (bps) */ uint32 delay_bound; /* Delay Bound (us) */ uint16 surplus_bandwidth; /* Surplus Bandwidth Allowance Factor */ uint16 medium_time; /* Medium Time (32 us/s periods) */ } PACKED; typedef struct wme_tspec wme_tspec_t; #define WME_TSPEC_LEN 56 /* not including 2-byte header */ /* ts_info */ /* 802.1D priority is duplicated - bits 13-11 AND bits 3-1 */ #define TS_INFO_PRIO_SHIFT_HI 11 #define TS_INFO_PRIO_MASK_HI (0x7 << TS_INFO_PRIO_SHIFT_HI) #define TS_INFO_PRIO_SHIFT_LO 1 #define TS_INFO_PRIO_MASK_LO (0x7 << TS_INFO_PRIO_SHIFT_LO) #define TS_INFO_CONTENTION_SHIFT 7 #define TS_INFO_CONTENTION_MASK (0x1 << TS_INFO_CONTENTION_SHIFT) #define TS_INFO_DIRECTION_SHIFT 5 #define TS_INFO_DIRECTION_MASK (0x3 << TS_INFO_DIRECTION_SHIFT) #define TS_INFO_UPLINK (0 << TS_INFO_DIRECTION_SHIFT) #define TS_INFO_DOWNLINK (1 << TS_INFO_DIRECTION_SHIFT) #define TS_INFO_BIDIRECTIONAL (3 << TS_INFO_DIRECTION_SHIFT) /* nom_msdu_size */ #define FIXED_MSDU_SIZE 0x8000 /* MSDU size is fixed */ #define MSDU_SIZE_MASK 0x7fff /* (Nominal or fixed) MSDU size */ /* surplus_bandwidth */ /* Represented as 3 bits of integer, binary point, 13 bits fraction */ #define INTEGER_SHIFT 13 #define FRACTION_MASK 0x1FFF /* Management Notification Frame */ struct dot11_management_notification { uint8 category; /* DOT11_ACTION_NOTIFICATION */ uint8 action; uint8 token; uint8 status; uint8 data[1]; /* Elements */ } PACKED; #define DOT11_MGMT_NOTIFICATION_LEN 4 /* Fixed length */ /* WME Action Codes */ #define WME_SETUP_REQUEST 0 #define WME_SETUP_RESPONSE 1 #define WME_TEARDOWN 2 /* WME Setup Response Status Codes */ #define WME_ADMISSION_ACCEPTED 0 #define WME_INVALID_PARAMETERS 1 #define WME_ADMISSION_REFUSED 3 /* Macro to take a pointer to a beacon or probe response * header and return the char* pointer to the SSID info element */ #define BCN_PRB_SSID(hdr) ((char*)(hdr) + DOT11_MGMT_HDR_LEN + DOT11_BCN_PRB_LEN) /* Authentication frame payload constants */ #define DOT11_OPEN_SYSTEM 0 #define DOT11_SHARED_KEY 1 #define DOT11_CHALLENGE_LEN 128 /* Frame control macros */ #define FC_PVER_MASK 0x3 #define FC_PVER_SHIFT 0 #define FC_TYPE_MASK 0xC #define FC_TYPE_SHIFT 2 #define FC_SUBTYPE_MASK 0xF0 #define FC_SUBTYPE_SHIFT 4 #define FC_TODS 0x100 #define FC_TODS_SHIFT 8 #define FC_FROMDS 0x200 #define FC_FROMDS_SHIFT 9 #define FC_MOREFRAG 0x400 #define FC_MOREFRAG_SHIFT 10 #define FC_RETRY 0x800 #define FC_RETRY_SHIFT 11 #define FC_PM 0x1000 #define FC_PM_SHIFT 12 #define FC_MOREDATA 0x2000 #define FC_MOREDATA_SHIFT 13 #define FC_WEP 0x4000 #define FC_WEP_SHIFT 14 #define FC_ORDER 0x8000 #define FC_ORDER_SHIFT 15 /* sequence control macros */ #define SEQNUM_SHIFT 4 #define FRAGNUM_MASK 0xF /* Frame Control type/subtype defs */ /* FC Types */ #define FC_TYPE_MNG 0 #define FC_TYPE_CTL 1 #define FC_TYPE_DATA 2 /* Management Subtypes */ #define FC_SUBTYPE_ASSOC_REQ 0 #define FC_SUBTYPE_ASSOC_RESP 1 #define FC_SUBTYPE_REASSOC_REQ 2 #define FC_SUBTYPE_REASSOC_RESP 3 #define FC_SUBTYPE_PROBE_REQ 4 #define FC_SUBTYPE_PROBE_RESP 5 #define FC_SUBTYPE_BEACON 8 #define FC_SUBTYPE_ATIM 9 #define FC_SUBTYPE_DISASSOC 10 #define FC_SUBTYPE_AUTH 11 #define FC_SUBTYPE_DEAUTH 12 #define FC_SUBTYPE_ACTION 13 /* Control Subtypes */ #define FC_SUBTYPE_PS_POLL 10 #define FC_SUBTYPE_RTS 11 #define FC_SUBTYPE_CTS 12 #define FC_SUBTYPE_ACK 13 #define FC_SUBTYPE_CF_END 14 #define FC_SUBTYPE_CF_END_ACK 15 /* Data Subtypes */ #define FC_SUBTYPE_DATA 0 #define FC_SUBTYPE_DATA_CF_ACK 1 #define FC_SUBTYPE_DATA_CF_POLL 2 #define FC_SUBTYPE_DATA_CF_ACK_POLL 3 #define FC_SUBTYPE_NULL 4 #define FC_SUBTYPE_CF_ACK 5 #define FC_SUBTYPE_CF_POLL 6 #define FC_SUBTYPE_CF_ACK_POLL 7 #define FC_SUBTYPE_QOS_DATA 8 #define FC_SUBTYPE_QOS_NULL 12 /* type-subtype combos */ #define FC_KIND_MASK (FC_TYPE_MASK | FC_SUBTYPE_MASK) #define FC_KIND(t, s) (((t) << FC_TYPE_SHIFT) | ((s) << FC_SUBTYPE_SHIFT)) #define FC_ASSOC_REQ FC_KIND(FC_TYPE_MNG, FC_SUBTYPE_ASSOC_REQ) #define FC_ASSOC_RESP FC_KIND(FC_TYPE_MNG, FC_SUBTYPE_ASSOC_RESP) #define FC_REASSOC_REQ FC_KIND(FC_TYPE_MNG, FC_SUBTYPE_REASSOC_REQ) #define FC_REASSOC_RESP FC_KIND(FC_TYPE_MNG, FC_SUBTYPE_REASSOC_RESP) #define FC_PROBE_REQ FC_KIND(FC_TYPE_MNG, FC_SUBTYPE_PROBE_REQ) #define FC_PROBE_RESP FC_KIND(FC_TYPE_MNG, FC_SUBTYPE_PROBE_RESP) #define FC_BEACON FC_KIND(FC_TYPE_MNG, FC_SUBTYPE_BEACON) #define FC_DISASSOC FC_KIND(FC_TYPE_MNG, FC_SUBTYPE_DISASSOC) #define FC_AUTH FC_KIND(FC_TYPE_MNG, FC_SUBTYPE_AUTH) #define FC_DEAUTH FC_KIND(FC_TYPE_MNG, FC_SUBTYPE_DEAUTH) #define FC_ACTION FC_KIND(FC_TYPE_MNG, FC_SUBTYPE_ACTION) #define FC_PS_POLL FC_KIND(FC_TYPE_CTL, FC_SUBTYPE_PS_POLL) #define FC_RTS FC_KIND(FC_TYPE_CTL, FC_SUBTYPE_RTS) #define FC_CTS FC_KIND(FC_TYPE_CTL, FC_SUBTYPE_CTS) #define FC_ACK FC_KIND(FC_TYPE_CTL, FC_SUBTYPE_ACK) #define FC_CF_END FC_KIND(FC_TYPE_CTL, FC_SUBTYPE_CF_END) #define FC_CF_END_ACK FC_KIND(FC_TYPE_CTL, FC_SUBTYPE_CF_END_ACK) #define FC_DATA FC_KIND(FC_TYPE_DATA, FC_SUBTYPE_DATA) #define FC_NULL_DATA FC_KIND(FC_TYPE_DATA, FC_SUBTYPE_NULL) #define FC_DATA_CF_ACK FC_KIND(FC_TYPE_DATA, FC_SUBTYPE_DATA_CF_ACK) #define FC_QOS_DATA FC_KIND(FC_TYPE_DATA, FC_SUBTYPE_QOS_DATA) #define FC_QOS_NULL FC_KIND(FC_TYPE_DATA, FC_SUBTYPE_QOS_NULL) /* QoS Control Field */ /* 802.1D Tag */ #define QOS_PRIO_SHIFT 0 #define QOS_PRIO_MASK 0x0007 #define QOS_PRIO(qos) (((qos) & QOS_PRIO_MASK) >> QOS_PRIO_SHIFT) /* Ack Policy (0 means Acknowledge) */ #define QOS_ACK_SHIFT 5 #define QOS_ACK_MASK 0x0060 #define QOS_ACK(qos) (((qos) & QOS_ACK_MASK) >> QOS_ACK_SHIFT) /* Management Frames */ /* Management Frame Constants */ /* Fixed fields */ #define DOT11_MNG_AUTH_ALGO_LEN 2 #define DOT11_MNG_AUTH_SEQ_LEN 2 #define DOT11_MNG_BEACON_INT_LEN 2 #define DOT11_MNG_CAP_LEN 2 #define DOT11_MNG_AP_ADDR_LEN 6 #define DOT11_MNG_LISTEN_INT_LEN 2 #define DOT11_MNG_REASON_LEN 2 #define DOT11_MNG_AID_LEN 2 #define DOT11_MNG_STATUS_LEN 2 #define DOT11_MNG_TIMESTAMP_LEN 8 /* DUR/ID field in assoc resp is 0xc000 | AID */ #define DOT11_AID_MASK 0x3fff /* Reason Codes */ #define DOT11_RC_RESERVED 0 #define DOT11_RC_UNSPECIFIED 1 /* Unspecified reason */ #define DOT11_RC_AUTH_INVAL 2 /* Previous authentication no longer valid */ #define DOT11_RC_DEAUTH_LEAVING 3 /* Deauthenticated because sending station is leaving (or has left) IBSS or ESS */ #define DOT11_RC_INACTIVITY 4 /* Disassociated due to inactivity */ #define DOT11_RC_BUSY 5 /* Disassociated because AP is unable to handle all currently associated stations */ #define DOT11_RC_INVAL_CLASS_2 6 /* Class 2 frame received from nonauthenticated station */ #define DOT11_RC_INVAL_CLASS_3 7 /* Class 3 frame received from nonassociated station */ #define DOT11_RC_DISASSOC_LEAVING 8 /* Disassociated because sending station is leaving (or has left) BSS */ #define DOT11_RC_NOT_AUTH 9 /* Station requesting (re)association is not authenticated with responding station */ #define DOT11_RC_MAX 23 /* Reason codes > 23 are reserved */ /* Status Codes */ #define DOT11_STATUS_SUCCESS 0 /* Successful */ #define DOT11_STATUS_FAILURE 1 /* Unspecified failure */ #define DOT11_STATUS_CAP_MISMATCH 10 /* Cannot support all requested capabilities in the Capability Information field */ #define DOT11_STATUS_REASSOC_FAIL 11 /* Reassociation denied due to inability to confirm that association exists */ #define DOT11_STATUS_ASSOC_FAIL 12 /* Association denied due to reason outside the scope of this standard */ #define DOT11_STATUS_AUTH_MISMATCH 13 /* Responding station does not support the specified authentication algorithm */ #define DOT11_STATUS_AUTH_SEQ 14 /* Received an Authentication frame with authentication transaction sequence number out of expected sequence */ #define DOT11_STATUS_AUTH_CHALLENGE_FAIL 15 /* Authentication rejected because of challenge failure */ #define DOT11_STATUS_AUTH_TIMEOUT 16 /* Authentication rejected due to timeout waiting for next frame in sequence */ #define DOT11_STATUS_ASSOC_BUSY_FAIL 17 /* Association denied because AP is unable to handle additional associated stations */ #define DOT11_STATUS_ASSOC_RATE_MISMATCH 18 /* Association denied due to requesting station not supporting all of the data rates in the BSSBasicRateSet parameter */ #define DOT11_STATUS_ASSOC_SHORT_REQUIRED 19 /* Association denied due to requesting station not supporting the Short Preamble option */ #define DOT11_STATUS_ASSOC_PBCC_REQUIRED 20 /* Association denied due to requesting station not supporting the PBCC Modulation option */ #define DOT11_STATUS_ASSOC_AGILITY_REQUIRED 21 /* Association denied due to requesting station not supporting the Channel Agility option */ #define DOT11_STATUS_ASSOC_SPECTRUM_REQUIRED 22 /* Association denied because Spectrum Management capability is required. */ #define DOT11_STATUS_ASSOC_BAD_POWER_CAP 23 /* Association denied because the info in the Power Cap element is unacceptable. */ #define DOT11_STATUS_ASSOC_BAD_SUP_CHANNELS 24 /* Association denied because the info in the Supported Channel element is unacceptable */ #define DOT11_STATUS_ASSOC_SHORTSLOT_REQUIRED 25 /* Association denied due to requesting station not supporting the Short Slot Time option */ #define DOT11_STATUS_ASSOC_ERPBCC_REQUIRED 26 /* Association denied due to requesting station not supporting the ER-PBCC Modulation option */ #define DOT11_STATUS_ASSOC_DSSOFDM_REQUIRED 27 /* Association denied due to requesting station not supporting the DSS-OFDM option */ /* Info Elts, length of INFORMATION portion of Info Elts */ #define DOT11_MNG_DS_PARAM_LEN 1 #define DOT11_MNG_IBSS_PARAM_LEN 2 /* TIM Info element has 3 bytes fixed info in INFORMATION field, * followed by 1 to 251 bytes of Partial Virtual Bitmap */ #define DOT11_MNG_TIM_FIXED_LEN 3 #define DOT11_MNG_TIM_DTIM_COUNT 0 #define DOT11_MNG_TIM_DTIM_PERIOD 1 #define DOT11_MNG_TIM_BITMAP_CTL 2 #define DOT11_MNG_TIM_PVB 3 /* TLV defines */ #define TLV_TAG_OFF 0 #define TLV_LEN_OFF 1 #define TLV_HDR_LEN 2 #define TLV_BODY_OFF 2 /* Management Frame Information Element IDs */ #define DOT11_MNG_SSID_ID 0 #define DOT11_MNG_RATES_ID 1 #define DOT11_MNG_FH_PARMS_ID 2 #define DOT11_MNG_DS_PARMS_ID 3 #define DOT11_MNG_CF_PARMS_ID 4 #define DOT11_MNG_TIM_ID 5 #define DOT11_MNG_IBSS_PARMS_ID 6 #define DOT11_MNG_COUNTRY_ID 7 #define DOT11_MNG_HOPPING_PARMS_ID 8 #define DOT11_MNG_HOPPING_TABLE_ID 9 #define DOT11_MNG_REQUEST_ID 10 #define DOT11_MNG_CHALLENGE_ID 16 #define DOT11_MNG_PWR_CONSTRAINT_ID 32 /* 11H PowerConstraint */ #define DOT11_MNG_PWR_CAP_ID 33 /* 11H PowerCapability */ #define DOT11_MNG_TPC_REQUEST_ID 34 /* 11H TPC Request */ #define DOT11_MNG_TPC_REPORT_ID 35 /* 11H TPC Report */ #define DOT11_MNG_SUPP_CHANNELS_ID 36 /* 11H Supported Channels */ #define DOT11_MNG_CHANNEL_SWITCH_ID 37 /* 11H ChannelSwitch Announcement*/ #define DOT11_MNG_MEASURE_REQUEST_ID 38 /* 11H MeasurementRequest */ #define DOT11_MNG_MEASURE_REPORT_ID 39 /* 11H MeasurementReport */ #define DOT11_MNG_QUIET_ID 40 /* 11H Quiet */ #define DOT11_MNG_IBSS_DFS_ID 41 /* 11H IBSS_DFS */ #define DOT11_MNG_ERP_ID 42 #define DOT11_MNG_NONERP_ID 47 #define DOT11_MNG_EXT_RATES_ID 50 #define DOT11_MNG_WPA_ID 221 #define DOT11_MNG_PROPR_ID 221 /* ERP info element bit values */ #define DOT11_MNG_ERP_LEN 1 /* ERP is currently 1 byte long */ #define DOT11_MNG_NONERP_PRESENT 0x01 /* NonERP (802.11b) STAs are present in the BSS */ #define DOT11_MNG_USE_PROTECTION 0x02 /* Use protection mechanisms for ERP-OFDM frames */ #define DOT11_MNG_BARKER_PREAMBLE 0x04 /* Short Preambles: 0 == allowed, 1 == not allowed */ /* Capability Information Field */ #define DOT11_CAP_ESS 0x0001 #define DOT11_CAP_IBSS 0x0002 #define DOT11_CAP_POLLABLE 0x0004 #define DOT11_CAP_POLL_RQ 0x0008 #define DOT11_CAP_PRIVACY 0x0010 #define DOT11_CAP_SHORT 0x0020 #define DOT11_CAP_PBCC 0x0040 #define DOT11_CAP_AGILITY 0x0080 #define DOT11_CAP_SPECTRUM 0x0100 #define DOT11_CAP_SHORTSLOT 0x0400 #define DOT11_CAP_CCK_OFDM 0x2000 /* Action Frame Constants */ #define DOT11_ACTION_CAT_ERR_MASK 0x80 #define DOT11_ACTION_CAT_SPECT_MNG 0x00 #define DOT11_ACTION_NOTIFICATION 0x11 /* 17 */ #define DOT11_ACTION_ID_M_REQ 0 #define DOT11_ACTION_ID_M_REP 1 #define DOT11_ACTION_ID_TPC_REQ 2 #define DOT11_ACTION_ID_TPC_REP 3 #define DOT11_ACTION_ID_CHANNEL_SWITCH 4 /* MLME Enumerations */ #define DOT11_BSSTYPE_INFRASTRUCTURE 0 #define DOT11_BSSTYPE_INDEPENDENT 1 #define DOT11_BSSTYPE_ANY 2 #define DOT11_SCANTYPE_ACTIVE 0 #define DOT11_SCANTYPE_PASSIVE 1 /* 802.11 A PHY constants */ #define APHY_SLOT_TIME 9 #define APHY_SIFS_TIME 16 #define APHY_DIFS_TIME (APHY_SIFS_TIME + (2 * APHY_SLOT_TIME)) #define APHY_PREAMBLE_TIME 16 #define APHY_SIGNAL_TIME 4 #define APHY_SYMBOL_TIME 4 #define APHY_SERVICE_NBITS 16 #define APHY_TAIL_NBITS 6 #define APHY_CWMIN 15 /* 802.11 B PHY constants */ #define BPHY_SLOT_TIME 20 #define BPHY_SIFS_TIME 10 #define BPHY_DIFS_TIME 50 #define BPHY_PLCP_TIME 192 #define BPHY_PLCP_SHORT_TIME 96 #define BPHY_CWMIN 31 /* 802.11 G constants */ #define DOT11_OFDM_SIGNAL_EXTENSION 6 #define PHY_CWMAX 1023 #define DOT11_MAXNUMFRAGS 16 /* max # fragments per MSDU */ /* dot11Counters Table - 802.11 spec., Annex D */ typedef struct d11cnt { uint32 txfrag; /* dot11TransmittedFragmentCount */ uint32 txmulti; /* dot11MulticastTransmittedFrameCount */ uint32 txfail; /* dot11FailedCount */ uint32 txretry; /* dot11RetryCount */ uint32 txretrie; /* dot11MultipleRetryCount */ uint32 rxdup; /* dot11FrameduplicateCount */ uint32 txrts; /* dot11RTSSuccessCount */ uint32 txnocts; /* dot11RTSFailureCount */ uint32 txnoack; /* dot11ACKFailureCount */ uint32 rxfrag; /* dot11ReceivedFragmentCount */ uint32 rxmulti; /* dot11MulticastReceivedFrameCount */ uint32 rxcrc; /* dot11FCSErrorCount */ uint32 txfrmsnt; /* dot11TransmittedFrameCount */ uint32 rxundec; /* dot11WEPUndecryptableCount */ } d11cnt_t; /* BRCM OUI */ #define BRCM_OUI "\x00\x10\x18" /* BRCM info element */ struct brcm_ie { uchar id; uchar len; uchar oui[3]; uchar ver; uchar assoc; /* # of assoc STAs */ uchar flags; /* misc flags */ } PACKED; #define BRCM_IE_LEN 8 typedef struct brcm_ie brcm_ie_t; #define BRCM_IE_VER 1 /* brcm_ie flags */ #define BRF_ABCAP 0x1 /* afterburner capable */ #define BRF_ABRQRD 0x2 /* afterburner requested */ /* WPA definitions */ #define WPA_VERSION 1 #define WPA_OUI "\x00\x50\xF2" #define WPA_OUI_LEN 3 /* WPA authentication modes */ #define WPA_AUTH_NONE 0 /* None */ #define WPA_AUTH_UNSPECIFIED 1 /* Unspecified authentication over 802.1X: default for WPA */ #define WPA_AUTH_PSK 2 /* Pre-shared Key over 802.1X */ #define WPA_AUTH_DISABLED 255 /* Legacy (i.e., non-WPA) */ #define IS_WPA_AUTH(auth) ((auth) == WPA_AUTH_NONE || \ (auth) == WPA_AUTH_UNSPECIFIED || \ (auth) == WPA_AUTH_PSK) /* Key related defines */ #define DOT11_MAX_DEFAULT_KEYS 4 /* number of default keys */ #define DOT11_MAX_KEY_SIZE 32 /* max size of any key */ #define DOT11_MAX_IV_SIZE 16 /* max size of any IV */ #define DOT11_EXT_IV_FLAG (1<<5) /* flag to indicate IV is > 4 bytes */ #define WEP1_KEY_SIZE 5 /* max size of any WEP key */ #define WEP1_KEY_HEX_SIZE 10 /* size of WEP key in hex. */ #define WEP128_KEY_SIZE 13 /* max size of any WEP key */ #define WEP128_KEY_HEX_SIZE 26 /* size of WEP key in hex. */ #define TKIP_MIC_SIZE 8 /* size of TKIP MIC */ #define TKIP_EOM_SIZE 7 /* max size of TKIP EOM */ #define TKIP_EOM_FLAG 0x5a /* TKIP EOM flag byte */ #define TKIP_KEY_SIZE 32 /* size of any TKIP key */ #define TKIP_MIC_AUTH_TX 16 /* offset to Authenticator MIC TX key */ #define TKIP_MIC_AUTH_RX 24 /* offset to Authenticator MIC RX key */ #define TKIP_MIC_SUP_RX 16 /* offset to Supplicant MIC RX key */ #define TKIP_MIC_SUP_TX 24 /* offset to Supplicant MIC TX key */ #define AES_KEY_SIZE 16 /* size of AES key */ #undef PACKED #if !defined(__GNUC__) #pragma pack() #endif #endif /* _802_11_H_ */