/* * Copyright 2007, 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: 802.11.h,v 1.1.1.1 2008/07/21 09:14:16 james26_jang Exp $ */ #ifndef _802_11_H_ #define _802_11_H_ #ifndef _TYPEDEFS_H_ #include #endif #ifndef _NET_ETHERNET_H_ #include #endif #include /* enable structure packing */ #if defined(__GNUC__) #define PACKED __attribute__((packed)) #else #pragma pack(1) #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 /* d11 header length with A3 */ #define DOT11_A4_HDR_LEN 30 /* d11 header length with A4 */ #define DOT11_MAC_HDR_LEN DOT11_A3_HDR_LEN /* MAC header length */ #define DOT11_FCS_LEN 4 /* d11 FCS length */ #define DOT11_ICV_LEN 4 /* d11 ICV length */ #define DOT11_ICV_AES_LEN 8 /* d11 ICV/AES length */ #define DOT11_QOS_LEN 2 /* d11 QoS length */ #define DOT11_HTC_LEN 4 /* d11 HT Control field length */ #define DOT11_KEY_INDEX_SHIFT 6 /* d11 key index shift */ #define DOT11_IV_LEN 4 /* d11 IV length */ #define DOT11_IV_TKIP_LEN 8 /* d11 IV TKIP length */ #define DOT11_IV_AES_OCB_LEN 4 /* d11 IV/AES/OCB length */ #define DOT11_IV_AES_CCM_LEN 8 /* d11 IV/AES/CCM length */ #define DOT11_IV_MAX_LEN 8 /* maximum iv len for any encryption */ /* Includes MIC */ #define DOT11_MAX_MPDU_BODY_LEN 2304 /* max MPDU body length */ /* 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) /* d11 max MPDU length */ #define DOT11_MAX_SSID_LEN 32 /* d11 max ssid length */ /* dot11RTSThreshold */ #define DOT11_DEFAULT_RTS_LEN 2347 /* d11 default RTS length */ #define DOT11_MAX_RTS_LEN 2347 /* d11 max RTS length */ /* dot11FragmentationThreshold */ #define DOT11_MIN_FRAG_LEN 256 /* d11 min fragmentation length */ #define DOT11_MAX_FRAG_LEN 2346 /* Max frag is also limited by aMPDUMaxLength * of the attached PHY */ #define DOT11_DEFAULT_FRAG_LEN 2346 /* d11 default fragmentation length */ /* dot11BeaconPeriod */ #define DOT11_MIN_BEACON_PERIOD 1 /* d11 min beacon period */ #define DOT11_MAX_BEACON_PERIOD 0xFFFF /* d11 max beacon period */ /* dot11DTIMPeriod */ #define DOT11_MIN_DTIM_PERIOD 1 /* d11 min DTIM period */ #define DOT11_MAX_DTIM_PERIOD 0xFF /* d11 max DTIM period */ /* 802.2 LLC/SNAP header used by 802.11 per 802.1H */ #define DOT11_LLC_SNAP_HDR_LEN 8 /* d11 LLC/SNAP header length */ #define DOT11_OUI_LEN 3 /* d11 OUI length */ 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) /* RCF1042 header length */ /* 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 /* d11 RTS frame length */ struct dot11_cts_frame { uint16 fc; /* frame control */ uint16 durid; /* duration/ID */ struct ether_addr ra; /* receiver address */ } PACKED; #define DOT11_CTS_LEN 10 /* d11 CTS frame length */ struct dot11_ack_frame { uint16 fc; /* frame control */ uint16 durid; /* duration/ID */ struct ether_addr ra; /* receiver address */ } PACKED; #define DOT11_ACK_LEN 10 /* d11 ACK frame length */ 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 /* d11 PS poll frame length */ 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 /* d11 CF-END frame length */ /* BA/BAR Control parameters */ #define DOT11_BA_CTL_POLICY_NORMAL 0x0000 /* normal ack */ #define DOT11_BA_CTL_POLICY_NOACK 0x0001 /* no ack */ #define DOT11_BA_CTL_POLICY_MASK 0x0001 /* ack policy mask */ #define DOT11_BA_CTL_MTID 0x0002 /* multi tid BA */ #define DOT11_BA_CTL_COMPRESSED 0x0004 /* compressed bitmap */ #define DOT11_BA_CTL_NUMMSDU_MASK 0x0FC0 /* num msdu in bitmap mask */ #define DOT11_BA_CTL_NUMMSDU_SHIFT 6 /* num msdu in bitmap shift */ #define DOT11_BA_CTL_TID_MASK 0xF000 /* tid mask */ #define DOT11_BA_CTL_TID_SHIFT 12 /* tid shift */ /* control frame header (BA/BAR) */ struct dot11_ctl_header { uint16 fc; /* frame control */ uint16 durid; /* duration/ID */ struct ether_addr ra; /* receiver address */ struct ether_addr ta; /* transmitter address */ } PACKED; #define DOT11_CTL_HDR_LEN 16 /* control frame hdr len */ /* BAR frame payload */ struct dot11_bar { uint16 bar_control; /* BAR Control */ uint16 seqnum; /* Starting Sequence control */ } PACKED; #define DOT11_BAR_LEN 4 /* BAR frame payload length */ #define DOT11_BA_BITMAP_LEN 128 /* bitmap length */ #define DOT11_BA_CMP_BITMAP_LEN 8 /* compressed bitmap length */ /* BA frame payload */ struct dot11_ba { uint16 ba_control; /* BA Control */ uint16 seqnum; /* Starting Sequence control */ uint8 bitmap[DOT11_BA_BITMAP_LEN]; /* Block Ack Bitmap */ } PACKED; #define DOT11_BA_LEN 4 /* BA frame payload len (wo bitmap) */ /* 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 /* d11 management header length */ /* Management frame payloads */ struct dot11_bcn_prb { uint32 timestamp[2]; uint16 beacon_interval; uint16 capability; } PACKED; #define DOT11_BCN_PRB_LEN 12 /* 802.11 beacon/probe frame fixed length */ 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; #define DOT11_ASSOC_REQ_FIXED_LEN 4 /* length of assoc frame without info elts */ struct dot11_reassoc_req { uint16 capability; /* capability information */ uint16 listen; /* listen interval */ struct ether_addr ap; /* Current AP address */ } PACKED; #define DOT11_REASSOC_REQ_FIXED_LEN 10 /* length of assoc frame without info elts */ 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 /* d11 action measurement header length */ struct dot11_action_ht_ch_width { uint8 category; uint8 action; uint8 ch_width; } PACKED; struct dot11_action_ht_mimops { uint8 category; uint8 action; uint8 control; } PACKED; #define SM_PWRSAVE_ENABLE 1 #define SM_PWRSAVE_MODE 2 struct dot11_action_ht_info_xchg { uint8 category; uint8 action; uint8 info; } PACKED; #define DOT11_HT_INFO_XCHG_INFO_REQ 0x01 #define DOT11_HT_INFO_XCHG_40MHZ_INTOLERANT 0x02 #define DOT11_HT_INFO_XCHG_STA_CHAN_WIDTH 0x04 /* ************* 802.11h related definitions. ************* */ struct dot11_power_cnst { uint8 id; uint8 len; uint8 power; } PACKED; typedef struct dot11_power_cnst dot11_power_cnst_t; struct dot11_power_cap { uint8 min; uint8 max; } PACKED; typedef struct dot11_power_cap dot11_power_cap_t; struct dot11_tpc_rep { uint8 id; uint8 len; uint8 tx_pwr; uint8 margin; } PACKED; typedef struct dot11_tpc_rep dot11_tpc_rep_t; #define DOT11_MNG_IE_TPC_REPORT_LEN 2 /* length of IE data, not including 2 byte header */ struct dot11_supp_channels { uint8 id; uint8 len; uint8 first_channel; uint8 num_channels; } PACKED; typedef struct dot11_supp_channels dot11_supp_channels_t; /* Extension Channel Offset IE: 802.11n-D1.0 spec. added sideband * offset for 40MHz operation. The possible 3 values are: * 1 = above control channel * 3 = below control channel * 0 = no extension channel */ struct dot11_extch { uint8 id; /* IE ID, 62, DOT11_MNG_EXT_CHANNEL_OFFSET */ uint8 len; /* IE length */ uint8 extch; } PACKED; typedef struct dot11_extch dot11_extch_ie_t; struct dot11_brcm_extch { uint8 id; /* IE ID, 221, DOT11_MNG_PROPR_ID */ uint8 len; /* IE length */ uint8 oui[3]; /* Proprietary OUI, BRCM_OUI */ uint8 type; /* type inidicates what follows */ uint8 extch; } PACKED; typedef struct dot11_brcm_extch dot11_brcm_extch_ie_t; #define BRCM_EXTCH_IE_LEN 5 #define BRCM_EXTCH_IE_TYPE 53 /* 802.11n ID not yet assigned */ #define DOT11_EXTCH_IE_LEN 1 #define DOT11_EXT_CH_MASK 0x03 /* extension channel mask */ #define DOT11_EXT_CH_UPPER 0x01 /* ext. ch. on upper sb */ #define DOT11_EXT_CH_LOWER 0x03 /* ext. ch. on lower sb */ #define DOT11_EXT_CH_NONE 0x00 /* no extension ch. */ struct dot11_action_frmhdr { uint8 category; uint8 action; uint8 data[1]; } PACKED; /* CSA IE data structure */ struct dot11_channel_switch { uint8 id; /* id DOT11_MNG_CHANNEL_SWITCH_ID */ uint8 len; /* length of IE */ uint8 mode; /* mode 0 or 1 */ uint8 channel; /* channel switch to */ uint8 count; /* number of beacons before switching */ } PACKED; typedef struct dot11_channel_switch dot11_chan_switch_ie_t; #define DOT11_SWITCH_IE_LEN 3 /* length of IE data, not including 2 byte header */ /* CSA mode - 802.11h-2003 $7.3.2.20 */ #define DOT11_CSA_MODE_ADVISORY 0 /* no DOT11_CSA_MODE_NO_TX restriction imposed */ #define DOT11_CSA_MODE_NO_TX 1 /* no transmission upon receiving CSA frame. */ struct dot11_action_switch_channel { uint8 category; uint8 action; dot11_chan_switch_ie_t chan_switch_ie; /* for switch IE */ dot11_brcm_extch_ie_t extch_ie; /* extension channel offset */ } PACKED; /* 11n Extended Channel Switch IE data structure */ struct dot11_ext_csa { uint8 id; /* id DOT11_MNG_EXT_CHANNEL_SWITCH_ID */ uint8 len; /* length of IE */ uint8 mode; /* mode 0 or 1 */ uint8 reg; /* regulatory class */ uint8 channel; /* channel switch to */ uint8 count; /* number of beacons before switching */ } PACKED; typedef struct dot11_ext_csa dot11_ext_csa_ie_t; #define DOT11_EXT_CSA_IE_LEN 4 /* length of extended channel switch IE body */ struct dot11_action_ext_csa { uint8 category; uint8 action; dot11_ext_csa_ie_t chan_switch_ie; /* for switch IE */ } PACKED; /* 802.11h Measurement Request/Report IEs */ /* Measurement Type field */ #define DOT11_MEASURE_TYPE_BASIC 0 /* d11 measurement basic type */ #define DOT11_MEASURE_TYPE_CCA 1 /* d11 measurement CCA type */ #define DOT11_MEASURE_TYPE_RPI 2 /* d11 measurement PRI type */ /* Measurement Request Modes */ #define DOT11_MEASURE_MODE_ENABLE (1<<1) /* d11 measurement enable */ #define DOT11_MEASURE_MODE_REQUEST (1<<2) /* d11 measurement request */ #define DOT11_MEASURE_MODE_REPORT (1<<3) /* d11 measurement report */ /* Measurement Report Modes */ #define DOT11_MEASURE_MODE_LATE (1<<0) /* d11 measurement late */ #define DOT11_MEASURE_MODE_INCAPABLE (1<<1) /* d11 measurement incapable */ #define DOT11_MEASURE_MODE_REFUSED (1<<2) /* d11 measurement refuse */ /* Basic Measurement Map bits */ #define DOT11_MEASURE_BASIC_MAP_BSS ((uint8)(1<<0)) /* d11 measurement basic map BSS */ #define DOT11_MEASURE_BASIC_MAP_OFDM ((uint8)(1<<1)) /* d11 measurement map OFDM */ #define DOT11_MEASURE_BASIC_MAP_UKNOWN ((uint8)(1<<2)) /* d11 measurement map unknown */ #define DOT11_MEASURE_BASIC_MAP_RADAR ((uint8)(1<<3)) /* d11 measurement map radar */ #define DOT11_MEASURE_BASIC_MAP_UNMEAS ((uint8)(1<<4)) /* d11 measurement map unmeasuremnt */ struct dot11_meas_req { uint8 id; uint8 len; uint8 token; uint8 mode; uint8 type; uint8 channel; uint8 start_time[8]; uint16 duration; } PACKED; typedef struct dot11_meas_req dot11_meas_req_t; #define DOT11_MNG_IE_MREQ_LEN 14 /* d11 measurement request IE length */ /* length of Measure Request IE data not including variable len */ #define DOT11_MNG_IE_MREQ_FIXED_LEN 3 /* d11 measurement request IE fixed length */ 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 /* d11 measurement response IE fixed length */ 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 /* d11 measurement basic report length */ 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; struct chan_map_tuple { uint8 channel; uint8 map; } PACKED; typedef struct chan_map_tuple chan_map_tuple_t; struct dot11_ibss_dfs { uint8 id; uint8 len; uint8 eaddr[ETHER_ADDR_LEN]; uint8 interval; chan_map_tuple_t map[1]; } PACKED; typedef struct dot11_ibss_dfs dot11_ibss_dfs_t; /* WME Elements */ #define WME_OUI "\x00\x50\xf2" /* WME OUI */ #define WME_VER 1 /* WME version */ #define WME_TYPE 2 /* WME type */ #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_COUNT 4 /* number of ACs */ typedef uint8 ac_bitmap_t; /* AC bitmap of (1 << AC_xx) */ #define AC_BITMAP_NONE 0x0 /* No ACs */ #define AC_BITMAP_ALL 0xf /* All ACs */ #define AC_BITMAP_TST(ab, ac) (((ab) & (1 << (ac))) != 0) /* WME Information Element (IE) */ struct wme_ie { uint8 oui[3]; uint8 type; uint8 subtype; uint8 version; uint8 qosinfo; } PACKED; typedef struct wme_ie wme_ie_t; #define WME_IE_LEN 7 /* WME IE length */ struct edcf_acparam { uint8 ACI; uint8 ECW; uint16 TXOP; /* stored in network order (ls octet first) */ } PACKED; typedef struct edcf_acparam edcf_acparam_t; /* WME Parameter Element (PE) */ struct wme_param_ie { uint8 oui[3]; uint8 type; uint8 subtype; uint8 version; uint8 qosinfo; uint8 rsvd; edcf_acparam_t acparam[AC_COUNT]; } PACKED; typedef struct wme_param_ie wme_param_ie_t; #define WME_PARAM_IE_LEN 24 /* WME Parameter IE length */ /* QoS Info field for IE as sent from AP */ #define WME_QI_AP_APSD_MASK 0x80 /* U-APSD Supported mask */ #define WME_QI_AP_APSD_SHIFT 7 /* U-APSD Supported shift */ #define WME_QI_AP_COUNT_MASK 0x0f /* Parameter set count mask */ #define WME_QI_AP_COUNT_SHIFT 0 /* Parameter set count shift */ /* QoS Info field for IE as sent from STA */ #define WME_QI_STA_MAXSPLEN_MASK 0x60 /* Max Service Period Length mask */ #define WME_QI_STA_MAXSPLEN_SHIFT 5 /* Max Service Period Length shift */ #define WME_QI_STA_APSD_ALL_MASK 0xf /* APSD all AC bits mask */ #define WME_QI_STA_APSD_ALL_SHIFT 0 /* APSD all AC bits shift */ #define WME_QI_STA_APSD_BE_MASK 0x8 /* APSD AC_BE mask */ #define WME_QI_STA_APSD_BE_SHIFT 3 /* APSD AC_BE shift */ #define WME_QI_STA_APSD_BK_MASK 0x4 /* APSD AC_BK mask */ #define WME_QI_STA_APSD_BK_SHIFT 2 /* APSD AC_BK shift */ #define WME_QI_STA_APSD_VI_MASK 0x2 /* APSD AC_VI mask */ #define WME_QI_STA_APSD_VI_SHIFT 1 /* APSD AC_VI shift */ #define WME_QI_STA_APSD_VO_MASK 0x1 /* APSD AC_VO mask */ #define WME_QI_STA_APSD_VO_SHIFT 0 /* APSD AC_VO shift */ /* ACI */ #define EDCF_AIFSN_MIN 1 /* AIFSN minimum value */ #define EDCF_AIFSN_MAX 15 /* AIFSN maximum value */ #define EDCF_AIFSN_MASK 0x0f /* AIFSN mask */ #define EDCF_ACM_MASK 0x10 /* ACM mask */ #define EDCF_ACI_MASK 0x60 /* ACI mask */ #define EDCF_ACI_SHIFT 5 /* ACI shift */ /* ECW */ #define EDCF_ECW_MIN 0 /* cwmin/cwmax exponent minimum value */ #define EDCF_ECW_MAX 15 /* cwmin/cwmax exponent maximum value */ #define EDCF_ECW2CW(exp) ((1 << (exp)) - 1) #define EDCF_ECWMIN_MASK 0x0f /* cwmin exponent form mask */ #define EDCF_ECWMAX_MASK 0xf0 /* cwmax exponent form mask */ #define EDCF_ECWMAX_SHIFT 4 /* cwmax exponent form shift */ /* TXOP */ #define EDCF_TXOP_MIN 0 /* TXOP minimum value */ #define EDCF_TXOP_MAX 65535 /* TXOP maximum value */ #define EDCF_TXOP2USEC(txop) ((txop) << 5) /* Default EDCF parameters that AP advertises for STA to use; WMM draft Table 12 */ #define EDCF_AC_BE_ACI_STA 0x03 /* STA ACI value for best effort AC */ #define EDCF_AC_BE_ECW_STA 0xA4 /* STA ECW value for best effort AC */ #define EDCF_AC_BE_TXOP_STA 0x0000 /* STA TXOP value for best effort AC */ #define EDCF_AC_BK_ACI_STA 0x27 /* STA ACI value for background AC */ #define EDCF_AC_BK_ECW_STA 0xA4 /* STA ECW value for background AC */ #define EDCF_AC_BK_TXOP_STA 0x0000 /* STA TXOP value for background AC */ #define EDCF_AC_VI_ACI_STA 0x42 /* STA ACI value for video AC */ #define EDCF_AC_VI_ECW_STA 0x43 /* STA ECW value for video AC */ #define EDCF_AC_VI_TXOP_STA 0x005e /* STA TXOP value for video AC */ #define EDCF_AC_VO_ACI_STA 0x62 /* STA ACI value for audio AC */ #define EDCF_AC_VO_ECW_STA 0x32 /* STA ECW value for audio AC */ #define EDCF_AC_VO_TXOP_STA 0x002f /* STA TXOP value for audio AC */ /* Default EDCF parameters that AP uses; WMM draft Table 14 */ #define EDCF_AC_BE_ACI_AP 0x03 /* AP ACI value for best effort AC */ #define EDCF_AC_BE_ECW_AP 0x64 /* AP ECW value for best effort AC */ #define EDCF_AC_BE_TXOP_AP 0x0000 /* AP TXOP value for best effort AC */ #define EDCF_AC_BK_ACI_AP 0x27 /* AP ACI value for background AC */ #define EDCF_AC_BK_ECW_AP 0xA4 /* AP ECW value for background AC */ #define EDCF_AC_BK_TXOP_AP 0x0000 /* AP TXOP value for background AC */ #define EDCF_AC_VI_ACI_AP 0x41 /* AP ACI value for video AC */ #define EDCF_AC_VI_ECW_AP 0x43 /* AP ECW value for video AC */ #define EDCF_AC_VI_TXOP_AP 0x005e /* AP TXOP value for video AC */ #define EDCF_AC_VO_ACI_AP 0x61 /* AP ACI value for audio AC */ #define EDCF_AC_VO_ECW_AP 0x32 /* AP ECW value for audio AC */ #define EDCF_AC_VO_TXOP_AP 0x002f /* AP TXOP value for audio AC */ struct dot11_qbss_load_ie { uint8 id; /* 11, DOT11_MNG_QBSS_LOAD_ID */ uint8 length; uint16 station_count; /* total number of STAs associated */ uint8 channel_utilization; /* % of time, normalized to 255, QAP sensed medium busy */ uint16 aac; /* available admission capacity */ } PACKED; typedef struct dot11_qbss_load_ie dot11_qbss_load_ie_t; /* 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 /* integer shift */ #define FRACTION_MASK 0x1FFF /* fraction mask */ /* 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_ADDTS_REQUEST 0 /* WME ADDTS request */ #define WME_ADDTS_RESPONSE 1 /* WME ADDTS response */ #define WME_DELTS_REQUEST 2 /* WME DELTS request */ /* WME Setup Response Status Codes */ #define WME_ADMISSION_ACCEPTED 0 /* WME admission accepted */ #define WME_INVALID_PARAMETERS 1 /* WME invalide parameters */ #define WME_ADMISSION_REFUSED 3 /* WME admission refused */ /* Macro to take a pointer to a beacon or probe response * body and return the char* pointer to the SSID info element */ #define BCN_PRB_SSID(body) ((char*)(body) + DOT11_BCN_PRB_LEN) /* Authentication frame payload constants */ #define DOT11_OPEN_SYSTEM 0 /* d11 open authentication */ #define DOT11_SHARED_KEY 1 /* d11 shared authentication */ #define DOT11_CHALLENGE_LEN 128 /* d11 challenge text length */ /* Frame control macros */ #define FC_PVER_MASK 0x3 /* PVER mask */ #define FC_PVER_SHIFT 0 /* PVER shift */ #define FC_TYPE_MASK 0xC /* type mask */ #define FC_TYPE_SHIFT 2 /* type shift */ #define FC_SUBTYPE_MASK 0xF0 /* subtype mask */ #define FC_SUBTYPE_SHIFT 4 /* subtype shift */ #define FC_TODS 0x100 /* to DS */ #define FC_TODS_SHIFT 8 /* to DS shift */ #define FC_FROMDS 0x200 /* from DS */ #define FC_FROMDS_SHIFT 9 /* from DS shift */ #define FC_MOREFRAG 0x400 /* more frag. */ #define FC_MOREFRAG_SHIFT 10 /* more frag. shift */ #define FC_RETRY 0x800 /* retry */ #define FC_RETRY_SHIFT 11 /* retry shift */ #define FC_PM 0x1000 /* PM */ #define FC_PM_SHIFT 12 /* PM shift */ #define FC_MOREDATA 0x2000 /* more data */ #define FC_MOREDATA_SHIFT 13 /* more data shift */ #define FC_WEP 0x4000 /* WEP */ #define FC_WEP_SHIFT 14 /* WEP shift */ #define FC_ORDER 0x8000 /* order */ #define FC_ORDER_SHIFT 15 /* order shift */ /* sequence control macros */ #define SEQNUM_SHIFT 4 /* seq. number shift */ #define SEQNUM_MAX 0x1000 /* max seqnum + 1 */ #define FRAGNUM_MASK 0xF /* frag. number mask */ /* Frame Control type/subtype defs */ /* FC Types */ #define FC_TYPE_MNG 0 /* management type */ #define FC_TYPE_CTL 1 /* control type */ #define FC_TYPE_DATA 2 /* data type */ /* Management Subtypes */ #define FC_SUBTYPE_ASSOC_REQ 0 /* assoc. request */ #define FC_SUBTYPE_ASSOC_RESP 1 /* assoc. response */ #define FC_SUBTYPE_REASSOC_REQ 2 /* reassoc. request */ #define FC_SUBTYPE_REASSOC_RESP 3 /* reassoc. response */ #define FC_SUBTYPE_PROBE_REQ 4 /* probe request */ #define FC_SUBTYPE_PROBE_RESP 5 /* probe response */ #define FC_SUBTYPE_BEACON 8 /* beacon */ #define FC_SUBTYPE_ATIM 9 /* ATIM */ #define FC_SUBTYPE_DISASSOC 10 /* disassoc. */ #define FC_SUBTYPE_AUTH 11 /* authentication */ #define FC_SUBTYPE_DEAUTH 12 /* de-authentication */ #define FC_SUBTYPE_ACTION 13 /* action */ #define FC_SUBTYPE_ACTION_NOACK 14 /* action no-ack */ /* Control Subtypes */ #define FC_SUBTYPE_CTL_WRAPPER 7 /* Control Wrapper */ #define FC_SUBTYPE_BLOCKACK_REQ 8 /* Block Ack Req */ #define FC_SUBTYPE_BLOCKACK 9 /* Block Ack */ #define FC_SUBTYPE_PS_POLL 10 /* PS poll */ #define FC_SUBTYPE_RTS 11 /* RTS */ #define FC_SUBTYPE_CTS 12 /* CTS */ #define FC_SUBTYPE_ACK 13 /* ACK */ #define FC_SUBTYPE_CF_END 14 /* CF-END */ #define FC_SUBTYPE_CF_END_ACK 15 /* CF-END ACK */ /* Data Subtypes */ #define FC_SUBTYPE_DATA 0 /* Data */ #define FC_SUBTYPE_DATA_CF_ACK 1 /* Data + CF-ACK */ #define FC_SUBTYPE_DATA_CF_POLL 2 /* Data + CF-Poll */ #define FC_SUBTYPE_DATA_CF_ACK_POLL 3 /* Data + CF-Ack + CF-Poll */ #define FC_SUBTYPE_NULL 4 /* Null */ #define FC_SUBTYPE_CF_ACK 5 /* CF-Ack */ #define FC_SUBTYPE_CF_POLL 6 /* CF-Poll */ #define FC_SUBTYPE_CF_ACK_POLL 7 /* CF-Ack + CF-Poll */ #define FC_SUBTYPE_QOS_DATA 8 /* QoS Data */ #define FC_SUBTYPE_QOS_DATA_CF_ACK 9 /* QoS Data + CF-Ack */ #define FC_SUBTYPE_QOS_DATA_CF_POLL 10 /* QoS Data + CF-Poll */ #define FC_SUBTYPE_QOS_DATA_CF_ACK_POLL 11 /* QoS Data + CF-Ack + CF-Poll */ #define FC_SUBTYPE_QOS_NULL 12 /* QoS Null */ #define FC_SUBTYPE_QOS_CF_POLL 14 /* QoS CF-Poll */ #define FC_SUBTYPE_QOS_CF_ACK_POLL 15 /* QoS CF-Ack + CF-Poll */ /* Data Subtype Groups */ #define FC_SUBTYPE_ANY_QOS(s) (((s) & 8) != 0) #define FC_SUBTYPE_ANY_NULL(s) (((s) & 4) != 0) #define FC_SUBTYPE_ANY_CF_POLL(s) (((s) & 2) != 0) #define FC_SUBTYPE_ANY_CF_ACK(s) (((s) & 1) != 0) /* Type/Subtype Combos */ #define FC_KIND_MASK (FC_TYPE_MASK | FC_SUBTYPE_MASK) /* FC kind mask */ #define FC_KIND(t, s) (((t) << FC_TYPE_SHIFT) | ((s) << FC_SUBTYPE_SHIFT)) /* FC kind */ #define FC_SUBTYPE(fc) (((fc) & FC_SUBTYPE_MASK) >> FC_SUBTYPE_SHIFT) /* Subtype from FC */ #define FC_TYPE(fc) (((fc) & FC_TYPE_MASK) >> FC_TYPE_SHIFT) /* Type from FC */ #define FC_ASSOC_REQ FC_KIND(FC_TYPE_MNG, FC_SUBTYPE_ASSOC_REQ) /* assoc. request */ #define FC_ASSOC_RESP FC_KIND(FC_TYPE_MNG, FC_SUBTYPE_ASSOC_RESP) /* assoc. response */ #define FC_REASSOC_REQ FC_KIND(FC_TYPE_MNG, FC_SUBTYPE_REASSOC_REQ) /* reassoc. request */ #define FC_REASSOC_RESP FC_KIND(FC_TYPE_MNG, FC_SUBTYPE_REASSOC_RESP) /* reassoc. response */ #define FC_PROBE_REQ FC_KIND(FC_TYPE_MNG, FC_SUBTYPE_PROBE_REQ) /* probe request */ #define FC_PROBE_RESP FC_KIND(FC_TYPE_MNG, FC_SUBTYPE_PROBE_RESP) /* probe response */ #define FC_BEACON FC_KIND(FC_TYPE_MNG, FC_SUBTYPE_BEACON) /* beacon */ #define FC_DISASSOC FC_KIND(FC_TYPE_MNG, FC_SUBTYPE_DISASSOC) /* disassoc */ #define FC_AUTH FC_KIND(FC_TYPE_MNG, FC_SUBTYPE_AUTH) /* authentication */ #define FC_DEAUTH FC_KIND(FC_TYPE_MNG, FC_SUBTYPE_DEAUTH) /* deauthentication */ #define FC_ACTION FC_KIND(FC_TYPE_MNG, FC_SUBTYPE_ACTION) /* action */ #define FC_ACTION_NOACK FC_KIND(FC_TYPE_MNG, FC_SUBTYPE_ACTION_NOACK) /* action no-ack */ #define FC_CTL_WRAPPER FC_KIND(FC_TYPE_CTL, FC_SUBTYPE_CTL_WRAPPER) /* Control Wrapper */ #define FC_BLOCKACK_REQ FC_KIND(FC_TYPE_CTL, FC_SUBTYPE_BLOCKACK_REQ) /* Block Ack Req */ #define FC_BLOCKACK FC_KIND(FC_TYPE_CTL, FC_SUBTYPE_BLOCKACK) /* Block Ack */ #define FC_PS_POLL FC_KIND(FC_TYPE_CTL, FC_SUBTYPE_PS_POLL) /* PS poll */ #define FC_RTS FC_KIND(FC_TYPE_CTL, FC_SUBTYPE_RTS) /* RTS */ #define FC_CTS FC_KIND(FC_TYPE_CTL, FC_SUBTYPE_CTS) /* CTS */ #define FC_ACK FC_KIND(FC_TYPE_CTL, FC_SUBTYPE_ACK) /* ACK */ #define FC_CF_END FC_KIND(FC_TYPE_CTL, FC_SUBTYPE_CF_END) /* CF-END */ #define FC_CF_END_ACK FC_KIND(FC_TYPE_CTL, FC_SUBTYPE_CF_END_ACK) /* CF-END ACK */ #define FC_DATA FC_KIND(FC_TYPE_DATA, FC_SUBTYPE_DATA) /* data */ #define FC_NULL_DATA FC_KIND(FC_TYPE_DATA, FC_SUBTYPE_NULL) /* null data */ #define FC_DATA_CF_ACK FC_KIND(FC_TYPE_DATA, FC_SUBTYPE_DATA_CF_ACK) /* data CF ACK */ #define FC_QOS_DATA FC_KIND(FC_TYPE_DATA, FC_SUBTYPE_QOS_DATA) /* QoS data */ #define FC_QOS_NULL FC_KIND(FC_TYPE_DATA, FC_SUBTYPE_QOS_NULL) /* QoS null */ /* QoS Control Field */ /* 802.1D Priority */ #define QOS_PRIO_SHIFT 0 /* QoS priority shift */ #define QOS_PRIO_MASK 0x0007 /* QoS priority mask */ #define QOS_PRIO(qos) (((qos) & QOS_PRIO_MASK) >> QOS_PRIO_SHIFT) /* QoS priority */ /* Traffic Identifier */ #define QOS_TID_SHIFT 0 /* QoS TID shift */ #define QOS_TID_MASK 0x000f /* QoS TID mask */ #define QOS_TID(qos) (((qos) & QOS_TID_MASK) >> QOS_TID_SHIFT) /* QoS TID */ /* End of Service Period (U-APSD) */ #define QOS_EOSP_SHIFT 4 /* QoS End of Service Period shift */ #define QOS_EOSP_MASK 0x0010 /* QoS End of Service Period mask */ #define QOS_EOSP(qos) (((qos) & QOS_EOSP_MASK) >> QOS_EOSP_SHIFT) /* Qos EOSP */ /* Ack Policy */ #define QOS_ACK_NORMAL_ACK 0 /* Normal Ack */ #define QOS_ACK_NO_ACK 1 /* No Ack (eg mcast) */ #define QOS_ACK_NO_EXP_ACK 2 /* No Explicit Ack */ #define QOS_ACK_BLOCK_ACK 3 /* Block Ack */ #define QOS_ACK_SHIFT 5 /* QoS ACK shift */ #define QOS_ACK_MASK 0x0060 /* QoS ACK mask */ #define QOS_ACK(qos) (((qos) & QOS_ACK_MASK) >> QOS_ACK_SHIFT) /* QoS ACK */ /* A-MSDU flag */ #define QOS_AMSDU_SHIFT 7 /* AMSDU shift */ #define QOS_AMSDU_MASK 0x0080 /* AMSDU mask */ /* Management Frames */ /* Management Frame Constants */ /* Fixed fields */ #define DOT11_MNG_AUTH_ALGO_LEN 2 /* d11 management auth. algo. length */ #define DOT11_MNG_AUTH_SEQ_LEN 2 /* d11 management auth. seq. length */ #define DOT11_MNG_BEACON_INT_LEN 2 /* d11 management beacon interval length */ #define DOT11_MNG_CAP_LEN 2 /* d11 management cap. length */ #define DOT11_MNG_AP_ADDR_LEN 6 /* d11 management AP address length */ #define DOT11_MNG_LISTEN_INT_LEN 2 /* d11 management listen interval length */ #define DOT11_MNG_REASON_LEN 2 /* d11 management reason length */ #define DOT11_MNG_AID_LEN 2 /* d11 management AID length */ #define DOT11_MNG_STATUS_LEN 2 /* d11 management status length */ #define DOT11_MNG_TIMESTAMP_LEN 8 /* d11 management timestamp length */ /* DUR/ID field in assoc resp is 0xc000 | AID */ #define DOT11_AID_MASK 0x3fff /* d11 AID mask */ /* Reason Codes */ #define DOT11_RC_RESERVED 0 /* d11 RC reserved */ #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_BAD_PC 10 /* Unacceptable power capability element */ #define DOT11_RC_BAD_CHANNELS 11 /* Unacceptable supported channels element */ /* 12 is unused */ /* 32-39 are QSTA specific reasons added in 11e */ #define DOT11_RC_UNSPECIFIED_QOS 32 /* unspecified QoS-related reason */ #define DOT11_RC_INSUFFCIENT_BW 33 /* QAP lacks sufficient bandwidth */ #define DOT11_RC_EXCESSIVE_FRAMES 34 /* excessive number of frames need ack */ #define DOT11_RC_TX_OUTSIDE_TXOP 35 /* transmitting outside the limits of txop */ #define DOT11_RC_LEAVING_QBSS 36 /* QSTA is leaving the QBSS (or restting) */ #define DOT11_RC_BAD_MECHANISM 37 /* does not want to use the mechanism */ #define DOT11_RC_SETUP_NEEDED 38 /* mechanism needs a setup */ #define DOT11_RC_TIMEOUT 39 /* timeout */ #define DOT11_RC_MAX 23 /* Reason codes > 23 are reserved */ /* Status Codes */ #define DOT11_SC_SUCCESS 0 /* Successful */ #define DOT11_SC_FAILURE 1 /* Unspecified failure */ #define DOT11_SC_CAP_MISMATCH 10 /* Cannot support all requested * capabilities in the Capability * Information field */ #define DOT11_SC_REASSOC_FAIL 11 /* Reassociation denied due to inability * to confirm that association exists */ #define DOT11_SC_ASSOC_FAIL 12 /* Association denied due to reason * outside the scope of this standard */ #define DOT11_SC_AUTH_MISMATCH 13 /* Responding station does not support * the specified authentication * algorithm */ #define DOT11_SC_AUTH_SEQ 14 /* Received an Authentication frame * with authentication transaction * sequence number out of expected * sequence */ #define DOT11_SC_AUTH_CHALLENGE_FAIL 15 /* Authentication rejected because of * challenge failure */ #define DOT11_SC_AUTH_TIMEOUT 16 /* Authentication rejected due to timeout * waiting for next frame in sequence */ #define DOT11_SC_ASSOC_BUSY_FAIL 17 /* Association denied because AP is * unable to handle additional * associated stations */ #define DOT11_SC_ASSOC_RATE_MISMATCH 18 /* Association denied due to requesting * station not supporting all of the * data rates in the BSSBasicRateSet * parameter */ #define DOT11_SC_ASSOC_SHORT_REQUIRED 19 /* Association denied due to requesting * station not supporting the Short * Preamble option */ #define DOT11_SC_ASSOC_PBCC_REQUIRED 20 /* Association denied due to requesting * station not supporting the PBCC * Modulation option */ #define DOT11_SC_ASSOC_AGILITY_REQUIRED 21 /* Association denied due to requesting * station not supporting the Channel * Agility option */ #define DOT11_SC_ASSOC_SPECTRUM_REQUIRED 22 /* Association denied because Spectrum * Management capability is required. */ #define DOT11_SC_ASSOC_BAD_POWER_CAP 23 /* Association denied because the info * in the Power Cap element is * unacceptable. */ #define DOT11_SC_ASSOC_BAD_SUP_CHANNELS 24 /* Association denied because the info * in the Supported Channel element is * unacceptable */ #define DOT11_SC_ASSOC_SHORTSLOT_REQUIRED 25 /* Association denied due to requesting * station not supporting the Short Slot * Time option */ #define DOT11_SC_ASSOC_ERPBCC_REQUIRED 26 /* Association denied due to requesting * station not supporting the ER-PBCC * Modulation option */ #define DOT11_SC_ASSOC_DSSOFDM_REQUIRED 27 /* Association denied due to requesting * station not supporting the DSS-OFDM * option */ #define DOT11_SC_DECLINED 37 /* request declined */ #define DOT11_SC_INVALID_PARAMS 38 /* One or more params have invalid values */ /* Info Elts, length of INFORMATION portion of Info Elts */ #define DOT11_MNG_DS_PARAM_LEN 1 /* d11 management DS parameter length */ #define DOT11_MNG_IBSS_PARAM_LEN 2 /* d11 management IBSS parameter length */ /* 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 /* d11 management TIM fixed length */ #define DOT11_MNG_TIM_DTIM_COUNT 0 /* d11 management DTIM count */ #define DOT11_MNG_TIM_DTIM_PERIOD 1 /* d11 management DTIM period */ #define DOT11_MNG_TIM_BITMAP_CTL 2 /* d11 management TIM BITMAP control */ #define DOT11_MNG_TIM_PVB 3 /* d11 management TIM PVB */ /* TLV defines */ #define TLV_TAG_OFF 0 /* tag offset */ #define TLV_LEN_OFF 1 /* length offset */ #define TLV_HDR_LEN 2 /* header length */ #define TLV_BODY_OFF 2 /* body offset */ /* Management Frame Information Element IDs */ #define DOT11_MNG_SSID_ID 0 /* d11 management SSID id */ #define DOT11_MNG_RATES_ID 1 /* d11 management rates id */ #define DOT11_MNG_FH_PARMS_ID 2 /* d11 management FH parameter id */ #define DOT11_MNG_DS_PARMS_ID 3 /* d11 management DS parameter id */ #define DOT11_MNG_CF_PARMS_ID 4 /* d11 management CF parameter id */ #define DOT11_MNG_TIM_ID 5 /* d11 management TIM id */ #define DOT11_MNG_IBSS_PARMS_ID 6 /* d11 management IBSS parameter id */ #define DOT11_MNG_COUNTRY_ID 7 /* d11 management country id */ #define DOT11_MNG_HOPPING_PARMS_ID 8 /* d11 management hopping parameter id */ #define DOT11_MNG_HOPPING_TABLE_ID 9 /* d11 management hopping table id */ #define DOT11_MNG_REQUEST_ID 10 /* d11 management request id */ #define DOT11_MNG_QBSS_LOAD_ID 11 /* d11 management QBSS Load id */ #define DOT11_MNG_CHALLENGE_ID 16 /* d11 management chanllenge id */ #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 /* d11 management ERP id */ #define DOT11_MNG_TS_DELAY_ID 43 /* d11 management TS Delay id */ #define DOT11_MNG_HT_CAP 45 /* d11 mgmt HT cap id */ #define DOT11_MNG_NONERP_ID 47 /* d11 management NON-ERP id */ #define DOT11_MNG_RSN_ID 48 /* d11 management RSN id */ #define DOT11_MNG_EXT_RATES_ID 50 /* d11 management ext. rates id */ #define DOT11_MNG_EXT_CSA_ID 60 /* d11 Extended CSA */ #define DOT11_MNG_HT_ADD 61 /* d11 mgmt additional HT info */ #define DOT11_MNG_EXT_CHANNEL_OFFSET 62 /* d11 mgmt ext channel offset */ #define DOT11_MNG_EXT_CAP 127 /* d11 mgmt ext capability */ #define DOT11_MNG_WPA_ID 221 /* d11 management WPA id */ #define DOT11_MNG_PROPR_ID 221 /* d11 management proprietary id */ /* Rate element Basic flag and rate mask */ #define DOT11_RATE_BASIC 0x80 /* flag for a Basic Rate */ #define DOT11_RATE_MASK 0x7F /* mask for numeric part of rate */ /* 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 */ /* TS Delay element offset & size */ #define DOT11_MGN_TS_DELAY_LEN 4 /* length of TS DELAY IE */ #define TS_DELAY_FIELD_SIZE 4 /* TS DELAY field size */ /* Capability Information Field */ #define DOT11_CAP_ESS 0x0001 /* d11 cap. ESS */ #define DOT11_CAP_IBSS 0x0002 /* d11 cap. IBSS */ #define DOT11_CAP_POLLABLE 0x0004 /* d11 cap. pollable */ #define DOT11_CAP_POLL_RQ 0x0008 /* d11 cap. poll request */ #define DOT11_CAP_PRIVACY 0x0010 /* d11 cap. privacy */ #define DOT11_CAP_SHORT 0x0020 /* d11 cap. short */ #define DOT11_CAP_PBCC 0x0040 /* d11 cap. PBCC */ #define DOT11_CAP_AGILITY 0x0080 /* d11 cap. agility */ #define DOT11_CAP_SPECTRUM 0x0100 /* d11 cap. spectrum */ #define DOT11_CAP_SHORTSLOT 0x0400 /* d11 cap. shortslot */ #define DOT11_CAP_CCK_OFDM 0x2000 /* d11 cap. CCK/OFDM */ /* Extended Capability Information Field */ #define DOT11_EXT_CAP_HT_IE_SUPPORT 0x01 /* support for info xchg action frame */ /* Action Frame Constants */ #define DOT11_ACTION_HDR_LEN 2 /* action frame header length */ #define DOT11_ACTION_CAT_ERR_MASK 0x80 /* d11 action category error mask */ #define DOT11_ACTION_CAT_MASK 0x7F /* d11 action category mask */ #define DOT11_ACTION_CAT_SPECT_MNG 0x00 /* d11 action category spectrum management */ #define DOT11_ACTION_CAT_BLOCKACK 0x03 /* d11 action category block ack */ #define DOT11_ACTION_CAT_HT 0x07 /* d11 action category for HT */ #define DOT11_ACTION_NOTIFICATION 0x11 /* 17 */ #define DOT11_ACTION_ID_M_REQ 0 /* d11 action measurement request */ #define DOT11_ACTION_ID_M_REP 1 /* d11 action measurement response */ #define DOT11_ACTION_ID_TPC_REQ 2 /* d11 action TPC request */ #define DOT11_ACTION_ID_TPC_REP 3 /* d11 action TPC response */ #define DOT11_ACTION_ID_CHANNEL_SWITCH 4 /* d11 action channel switch */ #define DOT11_ACTION_ID_EXT_CSA 5 /* d11 extened CSA for 11n */ /* HT action ids */ #define DOT11_ACTION_ID_HT_CH_WIDTH 0 /* notify channel width action id */ #define DOT11_ACTION_ID_HT_MIMO_PS 1 /* mimo ps action id */ #define DOT11_ACTION_ID_HT_INFO_XCHG 8 /* HT Information Exchange action id */ /* Block Ack action types */ #define DOT11_BA_ACTION_ADDBA_REQ 0 /* ADDBA Req action frame type */ #define DOT11_BA_ACTION_ADDBA_RESP 1 /* ADDBA Resp action frame type */ #define DOT11_BA_ACTION_DELBA 2 /* DELBA action frame type */ /* ADDBA action parameters */ #define DOT11_ADDBA_PARAM_AMSDU_SUP 0x0001 /* AMSDU supported under BA */ #define DOT11_ADDBA_PARAM_POLICY_MASK 0x0002 /* policy mask(ack vs delayed) */ #define DOT11_ADDBA_PARAM_POLICY_SHIFT 1 /* policy shift */ #define DOT11_ADDBA_PARAM_TID_MASK 0x003c /* tid mask */ #define DOT11_ADDBA_PARAM_TID_SHIFT 2 /* tid shift */ #define DOT11_ADDBA_PARAM_BSIZE_MASK 0xffc0 /* buffer size mask */ #define DOT11_ADDBA_PARAM_BSIZE_SHIFT 6 /* buffer size shift */ #define DOT11_ADDBA_POLICY_DELAYED 0 /* delayed BA policy */ #define DOT11_ADDBA_POLICY_IMMEDIATE 1 /* immediate BA policy */ struct dot11_addba_req { uint8 category; /* category of action frame (3) */ uint8 action; /* action: addba req */ uint8 token; /* identifier */ uint16 addba_param_set; /* parameter set */ uint16 timeout; /* timeout in seconds */ uint16 start_seqnum; /* starting sequence number */ }PACKED; typedef struct dot11_addba_req dot11_addba_req_t; #define DOT11_ADDBA_REQ_LEN 9 /* length of addba req frame */ struct dot11_addba_resp { uint8 category; /* category of action frame (3) */ uint8 action; /* action: addba resp */ uint8 token; /* identifier */ uint16 status; /* status of add request */ uint16 addba_param_set; /* negotiated parameter set */ uint16 timeout; /* negotiated timeout in seconds */ }PACKED; typedef struct dot11_addba_resp dot11_addba_resp_t; #define DOT11_ADDBA_RESP_LEN 9 /* length of addba resp frame */ /* DELBA action parameters */ #define DOT11_DELBA_PARAM_INIT_MASK 0x0800 /* initiator mask */ #define DOT11_DELBA_PARAM_INIT_SHIFT 11 /* initiator shift */ #define DOT11_DELBA_PARAM_TID_MASK 0xf000 /* tid mask */ #define DOT11_DELBA_PARAM_TID_SHIFT 12 /* tid shift */ struct dot11_delba { uint8 category; /* category of action frame (3) */ uint8 action; /* action: addba req */ uint16 delba_param_set; /* paarmeter set */ uint16 reason; /* reason for dellba */ }PACKED; typedef struct dot11_delba dot11_delba_t; #define DOT11_DELBA_LEN 6 /* length of delba frame */ /* MLME Enumerations */ #define DOT11_BSSTYPE_INFRASTRUCTURE 0 /* d11 infrastructure */ #define DOT11_BSSTYPE_INDEPENDENT 1 /* d11 independent */ #define DOT11_BSSTYPE_ANY 2 /* d11 any BSS type */ #define DOT11_SCANTYPE_ACTIVE 0 /* d11 scan active */ #define DOT11_SCANTYPE_PASSIVE 1 /* d11 scan passive */ /* 802.11 BRCM "Compromise" Pre N constants */ #define PREN_PREAMBLE 24 /* green field preamble time */ #define PREN_MM_EXT 8 /* extra mixed mode preamble time */ #define PREN_PREAMBLE_EXT 4 /* extra preamble (multiply by unique_streams-1) */ /* 802.11 N PHY constants */ #define NPHY_RIFS_TIME 2 /* NPHY RIFS time */ /* 802.11 A PHY constants */ #define APHY_SLOT_TIME 9 /* APHY slot time */ #define APHY_SIFS_TIME 16 /* APHY SIFS time */ #define APHY_DIFS_TIME (APHY_SIFS_TIME + (2 * APHY_SLOT_TIME)) /* APHY DIFS time */ #define APHY_PREAMBLE_TIME 16 /* APHY preamble time */ #define APHY_SIGNAL_TIME 4 /* APHY signal time */ #define APHY_SYMBOL_TIME 4 /* APHY symbol time */ #define APHY_SERVICE_NBITS 16 /* APHY service nbits */ #define APHY_TAIL_NBITS 6 /* APHY tail nbits */ #define APHY_CWMIN 15 /* APHY cwmin */ /* 802.11 B PHY constants */ #define BPHY_SLOT_TIME 20 /* BPHY slot time */ #define BPHY_SIFS_TIME 10 /* BPHY SIFS time */ #define BPHY_DIFS_TIME 50 /* BPHY DIFS time */ #define BPHY_PLCP_TIME 192 /* BPHY PLCP time */ #define BPHY_PLCP_SHORT_TIME 96 /* BPHY PLCP short time */ #define BPHY_CWMIN 31 /* BPHY cwmin */ /* 802.11 G constants */ #define DOT11_OFDM_SIGNAL_EXTENSION 6 /* d11 OFDM signal extension */ #define PHY_CWMAX 1023 /* PHY cwmax */ #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" /* Broadcom OUI */ /* OUI for BRCM proprietary IE */ #define BRCM_PROP_OUI "\x00\x90\x4C" /* Broadcom proprietary OUI */ /* BRCM info element */ struct brcm_ie { uint8 id; /* IE ID, 221, DOT11_MNG_PROPR_ID */ uint8 len; /* IE length */ uint8 oui[3]; /* Proprietary OUI, BRCM_OUI */ uint8 ver; /* type/ver of this IE */ uint8 assoc; /* # of assoc STAs */ uint8 flags; /* misc flags */ uint8 flags1; /* misc flags */ uint16 amsdu_mtu_pref; /* preferred A-MSDU MTU */ } PACKED; typedef struct brcm_ie brcm_ie_t; #define BRCM_IE_LEN 11 /* BRCM IE length */ #define BRCM_IE_VER 2 /* BRCM IE version */ #define BRCM_IE_LEGACY_AES_VER 1 /* BRCM IE legacy AES version */ /* brcm_ie flags */ #define BRF_ABCAP 0x1 /* afterburner capable */ #define BRF_ABRQRD 0x2 /* afterburner requested */ #define BRF_LZWDS 0x4 /* lazy wds enabled */ #define BRF_BLOCKACK 0x8 /* BlockACK capable */ #define BRF_ABCOUNTER_MASK 0xf0 /* afterburner wds "state" counter */ #define BRF_ABCOUNTER_SHIFT 4 /* offset of afterburner wds "state" counter */ /* brcm_ie flags1 */ #define BRF1_AMSDU 0x1 /* A-MSDU capable */ #define BRF1_DPT 0x2 /* DPT capable */ #define AB_WDS_TIMEOUT_MAX 15 /* afterburner wds Max count indicating not * locally capable */ #define AB_WDS_TIMEOUT_MIN 1 /* afterburner wds, use zero count as indicating * "downrev" */ /* EWC definitions */ #define MCSSET_LEN 16 /* 16-bits per 8-bit set to give 128-bits bitmap of MCS Index */ #define MAX_MCS_NUM (128) /* max mcs number = 128 */ struct ewc_cap_ie { uint16 cap; uint8 params; uint8 supp_mcs[MCSSET_LEN]; uint16 ext_htcap; uint32 txbf_cap; uint8 as_cap; } PACKED; typedef struct ewc_cap_ie ewc_cap_ie_t; /* CAP IE: EWC 1.0 spec. simply stole a 802.11 IE, we use our prop. IE until this is resolved */ /* the capability IE is primarily used to convey this nodes abilities */ struct ewc_prop_cap_ie { uint8 id; /* IE ID, 221, DOT11_MNG_PROPR_ID */ uint8 len; /* IE length */ uint8 oui[3]; /* Proprietary OUI, BRCM_PROP_OUI */ uint8 type; /* type inidicates what follows */ ewc_cap_ie_t cap_ie; } PACKED; typedef struct ewc_prop_cap_ie ewc_prop_cap_ie_t; #define EWC_PROP_IE_OVERHEAD 4 /* overhead bytes for prop oui ie */ #define EWC_CAP_IE_LEN 26 #define EWC_CAP_IE_TYPE 51 #define EWC_CAP_LDPC_CODING 0x0001 /* Support for rx of LDPC coded pkts */ #define EWC_CAP_40MHZ 0x0002 /* FALSE:20Mhz, TRUE:20/40MHZ supported */ #define EWC_CAP_MIMO_PS_MASK 0x000C /* Mimo PS mask */ #define EWC_CAP_MIMO_PS_SHIFT 0x0002 /* Mimo PS shift */ #define EWC_CAP_MIMO_PS_OFF 0x0003 /* Mimo PS, no restriction */ #define EWC_CAP_MIMO_PS_RTS 0x0001 /* Mimo PS, send RTS/CTS around MIMO frames */ #define EWC_CAP_MIMO_PS_ON 0x0000 /* Mimo PS, MIMO disallowed */ #define EWC_CAP_GF 0x0010 /* Greenfield preamble support */ #define EWC_CAP_SHORT_GI_20 0x0020 /* 20MHZ short guard interval support */ #define EWC_CAP_SHORT_GI_40 0x0040 /* 40Mhz short guard interval support */ #define EWC_CAP_TX_STBC 0x0080 /* Tx STBC support */ #define EWC_CAP_RX_STBC_MASK 0x0300 /* Rx STBC mask */ #define EWC_CAP_RX_STBC_SHIFT 8 /* Rx STBC shift */ #define EWC_CAP_DELAYED_BA 0x0400 /* delayed BA support */ #define EWC_CAP_MAX_AMSDU 0x0800 /* Max AMSDU size in bytes , 0=3839, 1=7935 */ #define EWC_CAP_DSSS_CCK 0x1000 /* DSSS/CCK supported by the BSS */ #define EWC_CAP_PSMP 0x2000 /* Power Save Multi Poll support */ #define EWC_CAP_40MHZ_INTOLERANT 0x4000 /* 40MHz Intolerant */ #define EWC_CAP_LSIG_TXOP 0x8000 /* L-SIG TXOP protection support */ #define EWC_CAP_RX_STBC_NO 0x0 /* no rx STBC support */ #define EWC_CAP_RX_STBC_ONE_STREAM 0x1 /* rx STBC support of 1 spatial stream */ #define EWC_CAP_RX_STBC_TWO_STREAM 0x2 /* rx STBC support of 1-2 spatial streams */ #define EWC_CAP_RX_STBC_THREE_STREAM 0x3 /* rx STBC support of 1-3 spatial streams */ #define EWC_MAX_AMSDU 7935 /* max amsdu size (bytes) per the EWC spec */ #define EWC_MIN_AMSDU 3835 /* min amsdu size (bytes) per the EWC spec */ #define EWC_PARAMS_RX_FACTOR_MASK 0x03 /* ampdu rcv factor mask */ #define EWC_PARAMS_DENSITY_MASK 0x1C /* ampdu density mask */ #define EWC_PARAMS_DENSITY_SHIFT 2 /* ampdu density shift */ /* EWC/AMPDU specific define */ #define AMPDU_MAX_MPDU_DENSITY 7 /* max mpdu density; in 1/8 usec units */ #define AMPDU_MAX_RX_FACTOR 3 /* max rcv ampdu len (64kb) */ #define AMPDU_RX_FACTOR_BASE 8*1024 /* ampdu factor base for rx len */ #define AMPDU_DELIMITER_LEN 4 /* length of ampdu delimiter */ struct ewc_add_ie { uint8 ctl_ch; /* control channel number */ uint8 byte1; /* ext ch,rec. ch. width, RIFS support */ uint16 opmode; /* operation mode */ uint16 misc_bits; /* misc bits */ uint8 basic_mcs[MCSSET_LEN]; /* required MCS set */ } PACKED; typedef struct ewc_add_ie ewc_add_ie_t; /* ADD IE: EWC 1.0 spec. simply stole a 802.11 IE, we use our prop. IE until this is resolved */ /* the additional IE is primarily used to convey the current BSS configuration */ struct ewc_prop_add_ie { uint8 id; /* IE ID, 221, DOT11_MNG_PROPR_ID */ uint8 len; /* IE length */ uint8 oui[3]; /* Proprietary OUI, BRCM_PROP_OUI */ uint8 type; /* indicates what follows */ ewc_add_ie_t add_ie; } PACKED; typedef struct ewc_prop_add_ie ewc_prop_add_ie_t; #define EWC_ADD_IE_LEN 22 #define EWC_ADD_IE_TYPE 52 /* byte1 defn's */ #define EWC_BW_ANY 0x04 /* set, STA can use 20 or 40MHz */ #define EWC_RIFS_PERMITTED 0x08 /* RIFS allowed */ /* opmode defn's */ #define EWC_OPMODE_MASK 0x0003 /* protection mode mask */ #define EWC_OPMODE_SHIFT 0 /* protection mode shift */ #define EWC_OPMODE_PURE 0x0000 /* protection mode PURE */ #define EWC_OPMODE_OPTIONAL 0x0001 /* protection mode optional */ #define EWC_OPMODE_HT20IN40 0x0002 /* protection mode 20MHz HT in 40MHz BSS */ #define EWC_OPMODE_MIXED 0x0003 /* protection mode Mixed Mode */ #define EWC_OPMODE_NONGF 0x0004 /* protection mode non-GF */ #define DOT11N_TXBURST 0x0008 /* Tx burst limit */ #define DOT11N_OBSS_NONHT 0x0010 /* OBSS Non-HT STA present */ /* misc_bites defn's */ #define EWC_BASIC_STBC_MCS 0x007f /* basic STBC MCS */ #define EWC_DUAL_STBC_PROT 0x0080 /* Dual STBC Protection */ #define EWC_SECOND_BCN 0x0100 /* Secondary beacon support */ #define EWC_LSIG_TXOP 0x0200 /* L-SIG TXOP Protection full support */ #define EWC_PCO_ACTIVE 0x0400 /* PCO active */ #define EWC_PCO_PHASE 0x0800 /* PCO phase */ /* Tx Burst Limits */ #define DOT11N_2G_TXBURST_LIMIT 6160 /* 2G band Tx burst limit per 802.11n Draft 1.10 (usec) */ #define DOT11N_5G_TXBURST_LIMIT 3080 /* 5G band Tx burst limit per 802.11n Draft 1.10 (usec) */ /* Macros for opmode */ #define GET_EWC_OPMODE(add_ie) ((ltoh16_ua(&add_ie->opmode) & EWC_OPMODE_MASK) \ >> EWC_OPMODE_SHIFT) #define EWC_MIXEDMODE_PRESENT(add_ie) ((ltoh16_ua(&add_ie->opmode) & EWC_OPMODE_MASK) \ == EWC_OPMODE_MIXED) /* mixed mode present */ #define EWC_HT20_PRESENT(add_ie) ((ltoh16_ua(&add_ie->opmode) & EWC_OPMODE_MASK) \ == EWC_OPMODE_HT20IN40) /* 20MHz HT present */ #define EWC_OPTIONAL_PRESENT(add_ie) ((ltoh16_ua(&add_ie->opmode) & EWC_OPMODE_MASK) \ == EWC_OPMODE_OPTIONAL) /* Optional protection present */ #define EWC_USE_PROTECTION(add_ie) (EWC_HT20_PRESENT((add_ie)) || \ EWC_MIXEDMODE_PRESENT((add_ie))) /* use protection */ #define EWC_NONGF_PRESENT(add_ie) ((ltoh16_ua(&add_ie->opmode) & EWC_OPMODE_NONGF) \ == EWC_OPMODE_NONGF) /* non-GF present */ #define DOT11N_TXBURST_PRESENT(add_ie) ((ltoh16_ua(&add_ie->opmode) & DOT11N_TXBURST) \ == DOT11N_TXBURST) /* Tx Burst present */ #define DOT11N_OBSS_NONHT_PRESENT(add_ie) ((ltoh16_ua(&add_ie->opmode) & DOT11N_OBSS_NONHT) \ == DOT11N_OBSS_NONHT) /* OBSS Non-HT present */ /* Vendor IE structure */ struct vndr_ie { uchar id; uchar len; uchar oui [3]; uchar data [1]; /* Variable size data */ } PACKED; typedef struct vndr_ie vndr_ie_t; #define VNDR_IE_HDR_LEN 2 /* id + len field */ #define VNDR_IE_MIN_LEN 3 /* size of the oui field */ #define VNDR_IE_MAX_LEN 256 /* verdor IE max length */ /* WPA definitions */ #define WPA_VERSION 1 /* WPA version */ #define WPA_OUI "\x00\x50\xF2" /* WPA OUI */ #define WPA2_VERSION 1 /* WPA2 version */ #define WPA2_VERSION_LEN 2 /* WAP2 version length */ #define WPA2_OUI "\x00\x0F\xAC" /* WPA2 OUI */ #define WPA_OUI_LEN 3 /* WPA OUI length */ /* RSN authenticated key managment suite */ #define RSN_AKM_NONE 0 /* None (IBSS) */ #define RSN_AKM_UNSPECIFIED 1 /* Over 802.1x */ #define RSN_AKM_PSK 2 /* Pre-shared Key */ /* 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 TKIP_MIC_AUTH_TX /* offset to Supplicant MIC RX key */ #define TKIP_MIC_SUP_TX TKIP_MIC_AUTH_RX /* 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_ */