/* ************************************************************************* * Ralink Tech Inc. * 5F., No.36, Taiyuan St., Jhubei City, * Hsinchu County 302, * Taiwan, R.O.C. * * (c) Copyright 2002-2007, Ralink Technology, Inc. * * This program is free software; you can redistribute it and/or modify * * it under the terms of the GNU General Public License as published by * * the Free Software Foundation; either version 2 of the License, or * * (at your option) any later version. * * * * This program is distributed in the hope that it will be useful, * * but WITHOUT ANY WARRANTY; without even the implied warranty of * * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * * GNU General Public License for more details. * * * * You should have received a copy of the GNU General Public License * * along with this program; if not, write to the * * Free Software Foundation, Inc., * * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * * * ************************************************************************* Module Name: mlme.h Abstract: Revision History: Who When What -------- ---------- ------------------------------ John Chang 2003-08-28 Created John Chang 2004-09-06 modified for RT2600 Justin P. Mattock 11/07/2010 Fix typos in comments */ #ifndef __MLME_H__ #define __MLME_H__ #include "rtmp_dot11.h" /* maximum supported capability information */ /* ESS, IBSS, Privacy, Short Preamble, Spectrum mgmt, Short Slot */ #define SUPPORTED_CAPABILITY_INFO 0x0533 #define END_OF_ARGS -1 #define LFSR_MASK 0x80000057 #define MLME_TASK_EXEC_INTV 100/*200*/ /* */ #define LEAD_TIME 5 #define MLME_TASK_EXEC_MULTIPLE 10 /*5*/ /* MLME_TASK_EXEC_MULTIPLE * MLME_TASK_EXEC_INTV = 1 sec */ #define REORDER_EXEC_INTV 100 /* 0.1 sec */ /* The definition of Radar detection duration region */ #define CE 0 #define FCC 1 #define JAP 2 #define JAP_W53 3 #define JAP_W56 4 #define MAX_RD_REGION 5 #define BEACON_LOST_TIME (4 * OS_HZ) /* 2048 msec = 2 sec */ #define DLS_TIMEOUT 1200 /* unit: msec */ #define AUTH_TIMEOUT 300 /* unit: msec */ #define ASSOC_TIMEOUT 300 /* unit: msec */ #define JOIN_TIMEOUT 2000 /* unit: msec */ #define SHORT_CHANNEL_TIME 90 /* unit: msec */ #define MIN_CHANNEL_TIME 110 /* unit: msec, for dual band scan */ #define MAX_CHANNEL_TIME 140 /* unit: msec, for single band scan */ #define FAST_ACTIVE_SCAN_TIME 30 /* Active scan waiting for probe response time */ #define CW_MIN_IN_BITS 4 /* actual CwMin = 2^CW_MIN_IN_BITS - 1 */ #define LINK_DOWN_TIMEOUT 20000 /* unit: msec */ #define AUTO_WAKEUP_TIMEOUT 70 /*unit: msec */ #define CW_MAX_IN_BITS 10 /* actual CwMax = 2^CW_MAX_IN_BITS - 1 */ /* Note: RSSI_TO_DBM_OFFSET has been changed to variable for new RF (2004-0720). */ /* Should not refer to this constant anymore */ /*#define RSSI_TO_DBM_OFFSET 120 // for RT2530 RSSI-115 = dBm */ #define RSSI_FOR_MID_TX_POWER -55 /* -55 db is considered mid-distance */ #define RSSI_FOR_LOW_TX_POWER -45 /* -45 db is considered very short distance and */ /* eligible to use a lower TX power */ #define RSSI_FOR_LOWEST_TX_POWER -30 /*#define MID_TX_POWER_DELTA 0 // 0 db from full TX power upon mid-distance to AP */ #define LOW_TX_POWER_DELTA 6 /* -3 db from full TX power upon very short distance. 1 grade is 0.5 db */ #define LOWEST_TX_POWER_DELTA 16 /* -8 db from full TX power upon shortest distance. 1 grade is 0.5 db */ #define RSSI_TRIGGERED_UPON_BELOW_THRESHOLD 0 #define RSSI_TRIGGERED_UPON_EXCCEED_THRESHOLD 1 #define RSSI_THRESHOLD_FOR_ROAMING 25 #define RSSI_DELTA 5 /* Channel Quality Indication */ #define CQI_IS_GOOD(cqi) ((cqi) >= 50) /*#define CQI_IS_FAIR(cqi) (((cqi) >= 20) && ((cqi) < 50)) */ #define CQI_IS_POOR(cqi) (cqi < 50) /*(((cqi) >= 5) && ((cqi) < 20)) */ #define CQI_IS_BAD(cqi) (cqi < 5) #define CQI_IS_DEAD(cqi) (cqi == 0) /* weighting factor to calculate Channel quality, total should be 100% */ #define RSSI_WEIGHTING 50 #define TX_WEIGHTING 30 #define RX_WEIGHTING 20 #define BSS_NOT_FOUND 0xFFFFFFFF #define MAX_LEN_OF_MLME_QUEUE 40 /*10 */ #define SCAN_PASSIVE 18 /* scan with no probe request, only wait beacon and probe response */ #define SCAN_ACTIVE 19 /* scan with probe request, and wait beacon and probe response */ #define SCAN_CISCO_PASSIVE 20 /* Single channel passive scan */ #define SCAN_CISCO_ACTIVE 21 /* Single channel active scan */ #define SCAN_CISCO_NOISE 22 /* Single channel passive scan for noise histogram collection */ #define SCAN_CISCO_CHANNEL_LOAD 23 /* Single channel passive scan for channel load collection */ #define FAST_SCAN_ACTIVE 24 /* scan with probe request, and wait beacon and probe response */ #define MAC_ADDR_IS_GROUP(Addr) (((Addr[0]) & 0x01)) #define MAC_ADDR_HASH(Addr) (Addr[0] ^ Addr[1] ^ Addr[2] ^ Addr[3] ^ Addr[4] ^ Addr[5]) #define MAC_ADDR_HASH_INDEX(Addr) (MAC_ADDR_HASH(Addr) % HASH_TABLE_SIZE) #define TID_MAC_HASH(Addr, TID) (TID^Addr[0] ^ Addr[1] ^ Addr[2] ^ Addr[3] ^ Addr[4] ^ Addr[5]) #define TID_MAC_HASH_INDEX(Addr, TID) (TID_MAC_HASH(Addr, TID) % HASH_TABLE_SIZE) /* LED Control */ /* association ON. one LED ON. another blinking when TX, OFF when idle */ /* no association, both LED off */ #define ASIC_LED_ACT_ON(pAd) RTMP_IO_WRITE32(pAd, MAC_CSR14, 0x00031e46) #define ASIC_LED_ACT_OFF(pAd) RTMP_IO_WRITE32(pAd, MAC_CSR14, 0x00001e46) /* bit definition of the 2-byte pBEACON->Capability field */ #define CAP_IS_ESS_ON(x) (((x) & 0x0001) != 0) #define CAP_IS_IBSS_ON(x) (((x) & 0x0002) != 0) #define CAP_IS_CF_POLLABLE_ON(x) (((x) & 0x0004) != 0) #define CAP_IS_CF_POLL_REQ_ON(x) (((x) & 0x0008) != 0) #define CAP_IS_PRIVACY_ON(x) (((x) & 0x0010) != 0) #define CAP_IS_SHORT_PREAMBLE_ON(x) (((x) & 0x0020) != 0) #define CAP_IS_PBCC_ON(x) (((x) & 0x0040) != 0) #define CAP_IS_AGILITY_ON(x) (((x) & 0x0080) != 0) #define CAP_IS_SPECTRUM_MGMT(x) (((x) & 0x0100) != 0) /* 802.11e d9 */ #define CAP_IS_QOS(x) (((x) & 0x0200) != 0) /* 802.11e d9 */ #define CAP_IS_SHORT_SLOT(x) (((x) & 0x0400) != 0) #define CAP_IS_APSD(x) (((x) & 0x0800) != 0) /* 802.11e d9 */ #define CAP_IS_IMMED_BA(x) (((x) & 0x1000) != 0) /* 802.11e d9 */ #define CAP_IS_DSSS_OFDM(x) (((x) & 0x2000) != 0) #define CAP_IS_DELAY_BA(x) (((x) & 0x4000) != 0) /* 802.11e d9 */ #define CAP_GENERATE(ess, ibss, priv, s_pre, s_slot, spectrum) (((ess) ? 0x0001 : 0x0000) | ((ibss) ? 0x0002 : 0x0000) | ((priv) ? 0x0010 : 0x0000) | ((s_pre) ? 0x0020 : 0x0000) | ((s_slot) ? 0x0400 : 0x0000) | ((spectrum) ? 0x0100 : 0x0000)) #define ERP_IS_NON_ERP_PRESENT(x) (((x) & 0x01) != 0) /* 802.11g */ #define ERP_IS_USE_PROTECTION(x) (((x) & 0x02) != 0) /* 802.11g */ #define ERP_IS_USE_BARKER_PREAMBLE(x) (((x) & 0x04) != 0) /* 802.11g */ #define DRS_TX_QUALITY_WORST_BOUND 8 /* 3 // just test by gary */ #define DRS_PENALTY 8 #define BA_NOTUSE 2 /*BA Policy subfiled value in ADDBA frame */ #define IMMED_BA 1 #define DELAY_BA 0 /* BA Initiator subfield in DELBA frame */ #define ORIGINATOR 1 #define RECIPIENT 0 /* ADDBA Status Code */ #define ADDBA_RESULTCODE_SUCCESS 0 #define ADDBA_RESULTCODE_REFUSED 37 #define ADDBA_RESULTCODE_INVALID_PARAMETERS 38 /* DELBA Reason Code */ #define DELBA_REASONCODE_QSTA_LEAVING 36 #define DELBA_REASONCODE_END_BA 37 #define DELBA_REASONCODE_UNKNOWN_BA 38 #define DELBA_REASONCODE_TIMEOUT 39 /* reset all OneSecTx counters */ #define RESET_ONE_SEC_TX_CNT(__pEntry) \ if (((__pEntry)) != NULL) { \ (__pEntry)->OneSecTxRetryOkCount = 0; \ (__pEntry)->OneSecTxFailCount = 0; \ (__pEntry)->OneSecTxNoRetryOkCount = 0; \ } /* */ /* 802.11 frame formats */ /* */ /* HT Capability INFO field in HT Cap IE . */ struct PACKED rt_ht_cap_info { u16 AdvCoding:1; u16 ChannelWidth:1; u16 MimoPs:2; /*momi power safe */ u16 GF:1; /*green field */ u16 ShortGIfor20:1; u16 ShortGIfor40:1; /*for40MHz */ u16 TxSTBC:1; u16 RxSTBC:2; u16 DelayedBA:1; /*rt2860c not support */ u16 AMsduSize:1; /* only support as zero */ u16 CCKmodein40:1; u16 PSMP:1; u16 Forty_Mhz_Intolerant:1; u16 LSIGTxopProSup:1; }; /* HT Capability INFO field in HT Cap IE . */ struct PACKED rt_ht_cap_parm { u8 MaxRAmpduFactor:2; u8 MpduDensity:3; u8 rsv:3; /*momi power safe */ }; /* HT Capability INFO field in HT Cap IE . */ struct PACKED rt_ht_mcs_set { u8 MCSSet[10]; u8 SupRate[2]; /* unit : 1Mbps */ u8 TxMCSSetDefined:1; u8 TxRxNotEqual:1; u8 TxStream:2; u8 MpduDensity:1; u8 rsv:3; u8 rsv3[3]; }; /* HT Capability INFO field in HT Cap IE . */ struct PACKED rt_ext_ht_cap_info { u16 Pco:1; u16 TranTime:2; u16 rsv:5; /*momi power safe */ u16 MCSFeedback:2; /*0:no MCS feedback, 2:unsolicited MCS feedback, 3:Full MCS feedback, 1:rsv. */ u16 PlusHTC:1; /*+HTC control field support */ u16 RDGSupport:1; /*reverse Direction Grant support */ u16 rsv2:4; }; /* HT Beamforming field in HT Cap IE . */ struct PACKED rt_ht_bf_cap { unsigned long TxBFRecCapable:1; unsigned long RxSoundCapable:1; unsigned long TxSoundCapable:1; unsigned long RxNDPCapable:1; unsigned long TxNDPCapable:1; unsigned long ImpTxBFCapable:1; unsigned long Calibration:2; unsigned long ExpCSICapable:1; unsigned long ExpNoComSteerCapable:1; unsigned long ExpComSteerCapable:1; unsigned long ExpCSIFbk:2; unsigned long ExpNoComBF:2; unsigned long ExpComBF:2; unsigned long MinGrouping:2; unsigned long CSIBFAntSup:2; unsigned long NoComSteerBFAntSup:2; unsigned long ComSteerBFAntSup:2; unsigned long CSIRowBFSup:2; unsigned long ChanEstimation:2; unsigned long rsv:3; }; /* HT antenna selection field in HT Cap IE . */ struct PACKED rt_ht_as_cap { u8 AntSelect:1; u8 ExpCSIFbkTxASEL:1; u8 AntIndFbkTxASEL:1; u8 ExpCSIFbk:1; u8 AntIndFbk:1; u8 RxASel:1; u8 TxSoundPPDU:1; u8 rsv:1; }; /* Draft 1.0 set IE length 26, but is extensible.. */ #define SIZE_HT_CAP_IE 26 /* The structure for HT Capability IE. */ struct PACKED rt_ht_capability_ie { struct rt_ht_cap_info HtCapInfo; struct rt_ht_cap_parm HtCapParm; /* struct rt_ht_mcs_set HtMCSSet; */ u8 MCSSet[16]; struct rt_ext_ht_cap_info ExtHtCapInfo; struct rt_ht_bf_cap TxBFCap; /* beamforming cap. rt2860c not support beamforming. */ struct rt_ht_as_cap ASCap; /*antenna selection. */ }; /* 802.11n draft3 related structure definitions. */ /* 7.3.2.60 */ #define dot11OBSSScanPassiveDwell 20 /* in TU. min amount of time that the STA continuously scans each channel when performing an active OBSS scan. */ #define dot11OBSSScanActiveDwell 10 /* in TU.min amount of time that the STA continuously scans each channel when performing an passive OBSS scan. */ #define dot11BSSWidthTriggerScanInterval 300 /* in sec. max interval between scan operations to be performed to detect BSS channel width trigger events. */ #define dot11OBSSScanPassiveTotalPerChannel 200 /* in TU. min total amount of time that the STA scans each channel when performing a passive OBSS scan. */ #define dot11OBSSScanActiveTotalPerChannel 20 /*in TU. min total amount of time that the STA scans each channel when performing a active OBSS scan */ #define dot11BSSWidthChannelTransactionDelayFactor 5 /* min ratio between the delay time in performing a switch from 20MHz BSS to 20/40 BSS operation and the maximum */ /* interval between overlapping BSS scan operations. */ #define dot11BSSScanActivityThreshold 25 /* in %%, max total time that a STA may be active on the medium during a period of */ /* (dot11BSSWidthChannelTransactionDelayFactor * dot11BSSWidthTriggerScanInterval) seconds without */ /* being obligated to perform OBSS Scan operations. default is 25(== 0.25%) */ struct PACKED rt_overlap_bss_scan_ie { u16 ScanPassiveDwell; u16 ScanActiveDwell; u16 TriggerScanInt; /* Trigger scan interval */ u16 PassiveTalPerChannel; /* passive total per channel */ u16 ActiveTalPerChannel; /* active total per channel */ u16 DelayFactor; /* BSS width channel transition delay factor */ u16 ScanActThre; /* Scan Activity threshold */ }; /* 7.3.2.56. 20/40 Coexistence element used in Element ID = 72 = IE_2040_BSS_COEXIST */ typedef union PACKED _BSS_2040_COEXIST_IE { struct PACKED { u8 InfoReq:1; u8 Intolerant40:1; /* Inter-BSS. set 1 when prohibits a receiving BSS from operating as a 20/40 Mhz BSS. */ u8 BSS20WidthReq:1; /* Intra-BSS set 1 when prohibits a receiving AP from operating its BSS as a 20/40MHz BSS. */ u8 rsv:5; } field; u8 word; } BSS_2040_COEXIST_IE, *PBSS_2040_COEXIST_IE; struct rt_trigger_eventa { BOOLEAN bValid; u8 BSSID[6]; u8 RegClass; /* Regulatory Class */ u16 Channel; unsigned long CDCounter; /* Maintain a separate count down counter for each Event A. */ }; /* 20/40 trigger event table */ /* If one Event (A) is deleted or created, or if Event (B) is detected or not detected, STA should send 2040BSSCoexistence to AP. */ #define MAX_TRIGGER_EVENT 64 struct rt_trigger_event_tab { u8 EventANo; struct rt_trigger_eventa EventA[MAX_TRIGGER_EVENT]; unsigned long EventBCountDown; /* Count down counter for Event B. */ }; /* 7.3.27 20/40 Bss Coexistence Mgmt capability used in extended capabilities information IE( ID = 127 = IE_EXT_CAPABILITY). */ /* This is the first octet and was defined in 802.11n D3.03 and 802.11yD9.0 */ struct PACKED rt_ext_cap_info_element { u8 BssCoexistMgmtSupport:1; u8 rsv:1; u8 ExtendChannelSwitch:1; u8 rsv2:5; }; /* 802.11n 7.3.2.61 */ struct PACKED rt_bss_2040_coexist_element { u8 ElementID; /* ID = IE_2040_BSS_COEXIST = 72 */ u8 Len; BSS_2040_COEXIST_IE BssCoexistIe; }; /*802.11n 7.3.2.59 */ struct PACKED rt_bss_2040_intolerant_ch_report { u8 ElementID; /* ID = IE_2040_BSS_INTOLERANT_REPORT = 73 */ u8 Len; u8 RegulatoryClass; u8 ChList[0]; }; /* The structure for channel switch announcement IE. This is in 802.11n D3.03 */ struct PACKED rt_cha_switch_announce_ie { u8 SwitchMode; /*channel switch mode */ u8 NewChannel; /* */ u8 SwitchCount; /* */ }; /* The structure for channel switch announcement IE. This is in 802.11n D3.03 */ struct PACKED rt_sec_cha_offset_ie { u8 SecondaryChannelOffset; /* 1: Secondary above, 3: Secondary below, 0: no Secondary */ }; /* This structure is extracted from struct struct rt_ht_capability */ struct rt_ht_phy_info { BOOLEAN bHtEnable; /* If we should use ht rate. */ BOOLEAN bPreNHt; /* If we should use ht rate. */ /*Substract from HT Capability IE */ u8 MCSSet[16]; }; /*This structure subtracts ralink supports from all 802.11n-related features. */ /*Features not listed here but contained in 802.11n spec are not supported in rt2860. */ struct rt_ht_capability { u16 ChannelWidth:1; u16 MimoPs:2; /*mimo power safe MMPS_ */ u16 GF:1; /*green field */ u16 ShortGIfor20:1; u16 ShortGIfor40:1; /*for40MHz */ u16 TxSTBC:1; u16 RxSTBC:2; /* 2 bits */ u16 AmsduEnable:1; /* Enable to transmit A-MSDU. Suggest disable. We should use A-MPDU to gain best benefit of 802.11n */ u16 AmsduSize:1; /* Max receiving A-MSDU size */ u16 rsv:5; /*Substract from Addiont HT INFO IE */ u8 MaxRAmpduFactor:2; u8 MpduDensity:3; u8 ExtChanOffset:2; /* Please note the difference with following u8 NewExtChannelOffset; from 802.11n */ u8 RecomWidth:1; u16 OperaionMode:2; u16 NonGfPresent:1; u16 rsv3:1; u16 OBSS_NonHTExist:1; u16 rsv2:11; /* New Extension Channel Offset IE */ u8 NewExtChannelOffset; /* Extension Capability IE = 127 */ u8 BSSCoexist2040; }; /* field in Addtional HT Information IE . */ struct PACKED rt_add_htinfo { u8 ExtChanOffset:2; u8 RecomWidth:1; u8 RifsMode:1; u8 S_PSMPSup:1; /*Indicate support for scheduled PSMP */ u8 SerInterGranu:3; /*service interval granularity */ }; struct PACKED rt_add_htinfo2 { u16 OperaionMode:2; u16 NonGfPresent:1; u16 rsv:1; u16 OBSS_NonHTExist:1; u16 rsv2:11; }; /* TODO: Need sync with spec about the definition of StbcMcs. In Draft 3.03, it's reserved. */ struct PACKED rt_add_htinfo3 { u16 StbcMcs:6; u16 DualBeacon:1; u16 DualCTSProtect:1; u16 STBCBeacon:1; u16 LsigTxopProt:1; /* L-SIG TXOP protection full support */ u16 PcoActive:1; u16 PcoPhase:1; u16 rsv:4; }; #define SIZE_ADD_HT_INFO_IE 22 struct PACKED rt_add_ht_info_ie { u8 ControlChan; struct rt_add_htinfo AddHtInfo; struct rt_add_htinfo2 AddHtInfo2; struct rt_add_htinfo3 AddHtInfo3; u8 MCSSet[16]; /* Basic MCS set */ }; struct PACKED rt_new_ext_chan_ie { u8 NewExtChanOffset; }; struct PACKED rt_frame_802_11 { struct rt_header_802_11 Hdr; u8 Octet[1]; }; /* QoSNull embedding of management action. When HT Control MA field set to 1. */ struct PACKED rt_ma_body { u8 Category; u8 Action; u8 Octet[1]; }; struct PACKED rt_header_802_3 { u8 DAAddr1[MAC_ADDR_LEN]; u8 SAAddr2[MAC_ADDR_LEN]; u8 Octet[2]; }; /*//Block ACK related format */ /* 2-byte BA Parameter field in DELBA frames to terminate an already set up bA */ struct PACKED rt_delba_parm { u16 Rsv:11; /* always set to 0 */ u16 Initiator:1; /* 1: originator 0:recipient */ u16 TID:4; /* value of TC os TS */ }; /* 2-byte BA Parameter Set field in ADDBA frames to signal parm for setting up a BA */ struct PACKED rt_ba_parm { u16 AMSDUSupported:1; /* 0: not permitted 1: permitted */ u16 BAPolicy:1; /* 1: immediately BA 0:delayed BA */ u16 TID:4; /* value of TC os TS */ u16 BufSize:10; /* number of buffer of size 2304 octetsr */ }; /* 2-byte BA Starting Seq CONTROL field */ typedef union PACKED _BASEQ_CONTROL { struct PACKED { u16 FragNum:4; /* always set to 0 */ u16 StartSeq:12; /* sequence number of the 1st MSDU for which this BAR is sent */ } field; u16 word; } BASEQ_CONTROL, *PBASEQ_CONTROL; /*BAControl and BARControl are the same */ /* 2-byte BA CONTROL field in BA frame */ struct PACKED rt_ba_control { u16 ACKPolicy:1; /* only related to N-Delayed BA. But not support in RT2860b. 0:NormalACK 1:No ACK */ u16 MTID:1; /*EWC V1.24 */ u16 Compressed:1; u16 Rsv:9; u16 TID:4; }; /* 2-byte BAR CONTROL field in BAR frame */ struct PACKED rt_bar_control { u16 ACKPolicy:1; /* 0:normal ack, 1:no ack. */ u16 MTID:1; /*if this bit1, use struct rt_frame_mtba_req, if 0, use struct rt_frame_ba_req */ u16 Compressed:1; u16 Rsv1:9; u16 TID:4; }; /* BARControl in MTBAR frame */ struct PACKED rt_mtbar_control { u16 ACKPolicy:1; u16 MTID:1; u16 Compressed:1; u16 Rsv1:9; u16 NumTID:4; }; struct PACKED rt_per_tid_info { u16 Rsv1:12; u16 TID:4; }; struct rt_each_tid { struct rt_per_tid_info PerTID; BASEQ_CONTROL BAStartingSeq; }; /* BAREQ AND MTBAREQ have the same subtype BAR, 802.11n BAR use compressed bitmap. */ struct PACKED rt_frame_ba_req { struct rt_frame_control FC; u16 Duration; u8 Addr1[MAC_ADDR_LEN]; u8 Addr2[MAC_ADDR_LEN]; struct rt_bar_control BARControl; BASEQ_CONTROL BAStartingSeq; }; struct PACKED rt_frame_mtba_req { struct rt_frame_control FC; u16 Duration; u8 Addr1[MAC_ADDR_LEN]; u8 Addr2[MAC_ADDR_LEN]; struct rt_mtbar_control MTBARControl; struct rt_per_tid_info PerTIDInfo; BASEQ_CONTROL BAStartingSeq; }; /* Compressed format is mandatory in HT STA */ struct PACKED rt_frame_mtba { struct rt_frame_control FC; u16 Duration; u8 Addr1[MAC_ADDR_LEN]; u8 Addr2[MAC_ADDR_LEN]; struct rt_ba_control BAControl; BASEQ_CONTROL BAStartingSeq; u8 BitMap[8]; }; struct PACKED rt_frame_psmp_action { struct rt_header_802_11 Hdr; u8 Category; u8 Action; u8 Psmp; /* 7.3.1.25 */ }; struct PACKED rt_frame_action_hdr { struct rt_header_802_11 Hdr; u8 Category; u8 Action; }; /*Action Frame */ /*Action Frame Category:Spectrum, Action:Channel Switch. 7.3.2.20 */ struct PACKED rt_chan_switch_announce { u8 ElementID; /* ID = IE_CHANNEL_SWITCH_ANNOUNCEMENT = 37 */ u8 Len; struct rt_cha_switch_announce_ie CSAnnounceIe; }; /*802.11n : 7.3.2.20a */ struct PACKED rt_second_chan_offset { u8 ElementID; /* ID = IE_SECONDARY_CH_OFFSET = 62 */ u8 Len; struct rt_sec_cha_offset_ie SecChOffsetIe; }; struct PACKED rt_frame_spetrum_cs { struct rt_header_802_11 Hdr; u8 Category; u8 Action; struct rt_chan_switch_announce CSAnnounce; struct rt_second_chan_offset SecondChannel; }; struct PACKED rt_frame_addba_req { struct rt_header_802_11 Hdr; u8 Category; u8 Action; u8 Token; /* 1 */ struct rt_ba_parm BaParm; /* 2 - 10 */ u16 TimeOutValue; /* 0 - 0 */ BASEQ_CONTROL BaStartSeq; /* 0-0 */ }; struct PACKED rt_frame_addba_rsp { struct rt_header_802_11 Hdr; u8 Category; u8 Action; u8 Token; u16 StatusCode; struct rt_ba_parm BaParm; /*0 - 2 */ u16 TimeOutValue; }; struct PACKED rt_frame_delba_req { struct rt_header_802_11 Hdr; u8 Category; u8 Action; struct rt_delba_parm DelbaParm; u16 ReasonCode; }; /*7.2.1.7 */ struct PACKED rt_frame_bar { struct rt_frame_control FC; u16 Duration; u8 Addr1[MAC_ADDR_LEN]; u8 Addr2[MAC_ADDR_LEN]; struct rt_bar_control BarControl; BASEQ_CONTROL StartingSeq; }; /*7.2.1.7 */ struct PACKED rt_frame_ba { struct rt_frame_control FC; u16 Duration; u8 Addr1[MAC_ADDR_LEN]; u8 Addr2[MAC_ADDR_LEN]; struct rt_bar_control BarControl; BASEQ_CONTROL StartingSeq; u8 bitmask[8]; }; /* Radio Measurement Request Frame Format */ struct PACKED rt_frame_rm_req_action { struct rt_header_802_11 Hdr; u8 Category; u8 Action; u8 Token; u16 Repetition; u8 data[0]; }; struct PACKED rt_ht_ext_channel_switch_announcement_ie { u8 ID; u8 Length; u8 ChannelSwitchMode; u8 NewRegClass; u8 NewChannelNum; u8 ChannelSwitchCount; }; /* */ /* _Limit must be the 2**n - 1 */ /* _SEQ1 , _SEQ2 must be within 0 ~ _Limit */ /* */ #define SEQ_STEPONE(_SEQ1, _SEQ2, _Limit) ((_SEQ1 == ((_SEQ2+1) & _Limit))) #define SEQ_SMALLER(_SEQ1, _SEQ2, _Limit) (((_SEQ1-_SEQ2) & ((_Limit+1)>>1))) #define SEQ_LARGER(_SEQ1, _SEQ2, _Limit) ((_SEQ1 != _SEQ2) && !(((_SEQ1-_SEQ2) & ((_Limit+1)>>1)))) #define SEQ_WITHIN_WIN(_SEQ1, _SEQ2, _WIN, _Limit) (SEQ_LARGER(_SEQ1, _SEQ2, _Limit) && \ SEQ_SMALLER(_SEQ1, ((_SEQ2+_WIN+1)&_Limit), _Limit)) /* */ /* Contention-free parameter (without ID and Length) */ /* */ struct PACKED rt_cf_parm { BOOLEAN bValid; /* 1: variable contains valid value */ u8 CfpCount; u8 CfpPeriod; u16 CfpMaxDuration; u16 CfpDurRemaining; }; struct rt_cipher_suite { NDIS_802_11_ENCRYPTION_STATUS PairCipher; /* Unicast cipher 1, this one has more secured cipher suite */ NDIS_802_11_ENCRYPTION_STATUS PairCipherAux; /* Unicast cipher 2 if AP announce two unicast cipher suite */ NDIS_802_11_ENCRYPTION_STATUS GroupCipher; /* Group cipher */ u16 RsnCapability; /* RSN capability from beacon */ BOOLEAN bMixMode; /* Indicate Pair & Group cipher might be different */ }; /* EDCA configuration from AP's BEACON/ProbeRsp */ struct rt_edca_parm { BOOLEAN bValid; /* 1: variable contains valid value */ BOOLEAN bAdd; /* 1: variable contains valid value */ BOOLEAN bQAck; BOOLEAN bQueueRequest; BOOLEAN bTxopRequest; BOOLEAN bAPSDCapable; /* BOOLEAN bMoreDataAck; */ u8 EdcaUpdateCount; u8 Aifsn[4]; /* 0:AC_BK, 1:AC_BE, 2:AC_VI, 3:AC_VO */ u8 Cwmin[4]; u8 Cwmax[4]; u16 Txop[4]; /* in unit of 32-us */ BOOLEAN bACM[4]; /* 1: Admission Control of AC_BK is mandatory */ }; /* QBSS LOAD information from QAP's BEACON/ProbeRsp */ struct rt_qbss_load_parm { BOOLEAN bValid; /* 1: variable contains valid value */ u16 StaNum; u8 ChannelUtilization; u16 RemainingAdmissionControl; /* in unit of 32-us */ }; /* QBSS Info field in QSTA's assoc req */ struct PACKED rt_qbss_sta_info_parm { u8 UAPSD_AC_VO:1; u8 UAPSD_AC_VI:1; u8 UAPSD_AC_BK:1; u8 UAPSD_AC_BE:1; u8 Rsv1:1; u8 MaxSPLength:2; u8 Rsv2:1; }; /* QBSS Info field in QAP's Beacon/ProbeRsp */ struct PACKED rt_qbss_ap_info_parm { u8 ParamSetCount:4; u8 Rsv:3; u8 UAPSD:1; }; /* QOS Capability reported in QAP's BEACON/ProbeRsp */ /* QOS Capability sent out in QSTA's AssociateReq/ReAssociateReq */ struct rt_qos_capability_parm { BOOLEAN bValid; /* 1: variable contains valid value */ BOOLEAN bQAck; BOOLEAN bQueueRequest; BOOLEAN bTxopRequest; /* BOOLEAN bMoreDataAck; */ u8 EdcaUpdateCount; }; struct rt_wpa_ie { u8 IELen; u8 IE[MAX_CUSTOM_LEN]; }; struct rt_bss_entry { u8 Bssid[MAC_ADDR_LEN]; u8 Channel; u8 CentralChannel; /*Store the wide-band central channel for 40MHz. used in 40MHz AP. Or this is the same as Channel. */ u8 BssType; u16 AtimWin; u16 BeaconPeriod; u8 SupRate[MAX_LEN_OF_SUPPORTED_RATES]; u8 SupRateLen; u8 ExtRate[MAX_LEN_OF_SUPPORTED_RATES]; u8 ExtRateLen; struct rt_ht_capability_ie HtCapability; u8 HtCapabilityLen; struct rt_add_ht_info_ie AddHtInfo; /* AP might use this additional ht info IE */ u8 AddHtInfoLen; u8 NewExtChanOffset; char Rssi; u8 Privacy; /* Indicate security function ON/OFF. Don't mess up with auth mode. */ u8 Hidden; u16 DtimPeriod; u16 CapabilityInfo; u16 CfpCount; u16 CfpPeriod; u16 CfpMaxDuration; u16 CfpDurRemaining; u8 SsidLen; char Ssid[MAX_LEN_OF_SSID]; unsigned long LastBeaconRxTime; /* OS's timestamp */ BOOLEAN bSES; /* New for WPA2 */ struct rt_cipher_suite WPA; /* AP announced WPA cipher suite */ struct rt_cipher_suite WPA2; /* AP announced WPA2 cipher suite */ /* New for microsoft WPA support */ struct rt_ndis_802_11_fixed_ies FixIEs; NDIS_802_11_AUTHENTICATION_MODE AuthModeAux; /* Addition mode for WPA2 / WPA capable AP */ NDIS_802_11_AUTHENTICATION_MODE AuthMode; NDIS_802_11_WEP_STATUS WepStatus; /* Unicast Encryption Algorithm extract from VAR_IE */ u16 VarIELen; /* Length of next VIE include EID & Length */ u8 VarIEs[MAX_VIE_LEN]; /* CCX Ckip information */ u8 CkipFlag; /* CCX 2 TSF */ u8 PTSF[4]; /* Parent TSF */ u8 TTSF[8]; /* Target TSF */ /* 802.11e d9, and WMM */ struct rt_edca_parm EdcaParm; struct rt_qos_capability_parm QosCapability; struct rt_qbss_load_parm QbssLoad; struct rt_wpa_ie WpaIE; struct rt_wpa_ie RsnIE; }; struct rt_bss_table { u8 BssNr; u8 BssOverlapNr; struct rt_bss_entry BssEntry[MAX_LEN_OF_BSS_TABLE]; }; struct rt_mlme_queue_elem { unsigned long Machine; unsigned long MsgType; unsigned long MsgLen; u8 Msg[MGMT_DMA_BUFFER_SIZE]; LARGE_INTEGER TimeStamp; u8 Rssi0; u8 Rssi1; u8 Rssi2; u8 Signal; u8 Channel; u8 Wcid; BOOLEAN Occupied; }; struct rt_mlme_queue { unsigned long Num; unsigned long Head; unsigned long Tail; spinlock_t Lock; struct rt_mlme_queue_elem Entry[MAX_LEN_OF_MLME_QUEUE]; }; typedef void(*STATE_MACHINE_FUNC) (void *Adaptor, struct rt_mlme_queue_elem *Elem); struct rt_state_machine { unsigned long Base; unsigned long NrState; unsigned long NrMsg; unsigned long CurrState; STATE_MACHINE_FUNC *TransFunc; }; /* MLME AUX data structure that holds temporarliy settings during a connection attempt. */ /* Once this attemp succeeds, all settings will be copy to pAd->StaActive. */ /* A connection attempt (user set OID, roaming, CCX fast roaming,..) consists of */ /* several steps (JOIN, AUTH, ASSOC or REASSOC) and may fail at any step. We purposely */ /* separate this under-trial settings away from pAd->StaActive so that once */ /* this new attempt failed, driver can auto-recover back to the active settings. */ struct rt_mlme_aux { u8 BssType; u8 Ssid[MAX_LEN_OF_SSID]; u8 SsidLen; u8 Bssid[MAC_ADDR_LEN]; u8 AutoReconnectSsid[MAX_LEN_OF_SSID]; u8 AutoReconnectSsidLen; u16 Alg; u8 ScanType; u8 Channel; u8 CentralChannel; u16 Aid; u16 CapabilityInfo; u16 BeaconPeriod; u16 CfpMaxDuration; u16 CfpPeriod; u16 AtimWin; /* Copy supported rate from desired AP's beacon. We are trying to match */ /* AP's supported and extended rate settings. */ u8 SupRate[MAX_LEN_OF_SUPPORTED_RATES]; u8 ExtRate[MAX_LEN_OF_SUPPORTED_RATES]; u8 SupRateLen; u8 ExtRateLen; struct rt_ht_capability_ie HtCapability; u8 HtCapabilityLen; struct rt_add_ht_info_ie AddHtInfo; /* AP might use this additional ht info IE */ u8 NewExtChannelOffset; /*struct rt_ht_capability SupportedHtPhy; */ /* new for QOS */ struct rt_qos_capability_parm APQosCapability; /* QOS capability of the current associated AP */ struct rt_edca_parm APEdcaParm; /* EDCA parameters of the current associated AP */ struct rt_qbss_load_parm APQbssLoad; /* QBSS load of the current associated AP */ /* new to keep Ralink specific feature */ unsigned long APRalinkIe; struct rt_bss_table SsidBssTab; /* AP list for the same SSID */ struct rt_bss_table RoamTab; /* AP list eligible for roaming */ unsigned long BssIdx; unsigned long RoamIdx; BOOLEAN CurrReqIsFromNdis; struct rt_ralink_timer BeaconTimer, ScanTimer; struct rt_ralink_timer AuthTimer; struct rt_ralink_timer AssocTimer, ReassocTimer, DisassocTimer; }; struct rt_mlme_addba_req { u8 Wcid; /* */ u8 pAddr[MAC_ADDR_LEN]; u8 BaBufSize; u16 TimeOutValue; u8 TID; u8 Token; u16 BaStartSeq; }; struct rt_mlme_delba_req { u8 Wcid; /* */ u8 Addr[MAC_ADDR_LEN]; u8 TID; u8 Initiator; }; /* assoc struct is equal to reassoc */ struct rt_mlme_assoc_req { u8 Addr[MAC_ADDR_LEN]; u16 CapabilityInfo; u16 ListenIntv; unsigned long Timeout; }; struct rt_mlme_disassoc_req { u8 Addr[MAC_ADDR_LEN]; u16 Reason; }; struct rt_mlme_auth_req { u8 Addr[MAC_ADDR_LEN]; u16 Alg; unsigned long Timeout; }; struct rt_mlme_deauth_req { u8 Addr[MAC_ADDR_LEN]; u16 Reason; }; struct rt_mlme_join_req { unsigned long BssIdx; }; struct rt_mlme_scan_req { u8 Bssid[MAC_ADDR_LEN]; u8 BssType; u8 ScanType; u8 SsidLen; char Ssid[MAX_LEN_OF_SSID]; }; struct rt_mlme_start_req { char Ssid[MAX_LEN_OF_SSID]; u8 SsidLen; }; struct PACKED rt_eid { u8 Eid; u8 Len; u8 Octet[1]; }; struct PACKED rt_rtmp_tx_rate_switch { u8 ItemNo; u8 STBC:1; u8 ShortGI:1; u8 BW:1; u8 Rsv1:1; u8 Mode:2; u8 Rsv2:2; u8 CurrMCS; u8 TrainUp; u8 TrainDown; }; /* ========================== AP mlme.h =============================== */ #define TBTT_PRELOAD_TIME 384 /* usec. LomgPreamble + 24-byte at 1Mbps */ #define DEFAULT_DTIM_PERIOD 1 #define MAC_TABLE_AGEOUT_TIME 300 /* unit: sec */ #define MAC_TABLE_ASSOC_TIMEOUT 5 /* unit: sec */ #define MAC_TABLE_FULL(Tab) ((Tab).size == MAX_LEN_OF_MAC_TABLE) /* AP shall drop the sta if continue Tx fail count reach it. */ #define MAC_ENTRY_LIFE_CHECK_CNT 20 /* packet cnt. */ /* Value domain of pMacEntry->Sst */ typedef enum _Sst { SST_NOT_AUTH, /* 0: equivalent to IEEE 802.11/1999 state 1 */ SST_AUTH, /* 1: equivalent to IEEE 802.11/1999 state 2 */ SST_ASSOC /* 2: equivalent to IEEE 802.11/1999 state 3 */ } SST; /* value domain of pMacEntry->AuthState */ typedef enum _AuthState { AS_NOT_AUTH, AS_AUTH_OPEN, /* STA has been authenticated using OPEN SYSTEM */ AS_AUTH_KEY, /* STA has been authenticated using SHARED KEY */ AS_AUTHENTICATING /* STA is waiting for AUTH seq#3 using SHARED KEY */ } AUTH_STATE; /*for-wpa value domain of pMacEntry->WpaState 802.1i D3 p.114 */ typedef enum _ApWpaState { AS_NOTUSE, /* 0 */ AS_DISCONNECT, /* 1 */ AS_DISCONNECTED, /* 2 */ AS_INITIALIZE, /* 3 */ AS_AUTHENTICATION, /* 4 */ AS_AUTHENTICATION2, /* 5 */ AS_INITPMK, /* 6 */ AS_INITPSK, /* 7 */ AS_PTKSTART, /* 8 */ AS_PTKINIT_NEGOTIATING, /* 9 */ AS_PTKINITDONE, /* 10 */ AS_UPDATEKEYS, /* 11 */ AS_INTEGRITY_FAILURE, /* 12 */ AS_KEYUPDATE, /* 13 */ } AP_WPA_STATE; /* for-wpa value domain of pMacEntry->WpaState 802.1i D3 p.114 */ typedef enum _GTKState { REKEY_NEGOTIATING, REKEY_ESTABLISHED, KEYERROR, } GTK_STATE; /* for-wpa value domain of pMacEntry->WpaState 802.1i D3 p.114 */ typedef enum _WpaGTKState { SETKEYS, SETKEYS_DONE, } WPA_GTK_STATE; /* ====================== end of AP mlme.h ============================ */ #endif /* MLME_H__ */