2 *************************************************************************
4 * 5F., No.36, Taiyuan St., Jhubei City,
8 * (c) Copyright 2002-2007, Ralink Technology, Inc.
10 * This program is free software; you can redistribute it and/or modify *
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25 *************************************************************************
34 -------- ---------- ----------------------------------------------
35 John Chang 2003-08-28 Created
36 John Chang 2004-09-06 modified for RT2600
42 #include "rtmp_dot11.h"
46 // maximum supported capability information -
47 // ESS, IBSS, Privacy, Short Preamble, Spectrum mgmt, Short Slot
48 #define SUPPORTED_CAPABILITY_INFO 0x0533
50 #define END_OF_ARGS -1
51 #define LFSR_MASK 0x80000057
52 #define MLME_TASK_EXEC_INTV 100/*200*/ //
54 #define MLME_TASK_EXEC_MULTIPLE 10 /*5*/ // MLME_TASK_EXEC_MULTIPLE * MLME_TASK_EXEC_INTV = 1 sec
55 #define REORDER_EXEC_INTV 100 // 0.1 sec
57 // The definition of Radar detection duration region
63 #define MAX_RD_REGION 5
65 #define BEACON_LOST_TIME 4 * OS_HZ // 2048 msec = 2 sec
67 #define DLS_TIMEOUT 1200 // unit: msec
68 #define AUTH_TIMEOUT 300 // unit: msec
69 #define ASSOC_TIMEOUT 300 // unit: msec
70 #define JOIN_TIMEOUT 2000 // unit: msec
71 #define SHORT_CHANNEL_TIME 90 // unit: msec
72 #define MIN_CHANNEL_TIME 110 // unit: msec, for dual band scan
73 #define MAX_CHANNEL_TIME 140 // unit: msec, for single band scan
74 #define FAST_ACTIVE_SCAN_TIME 30 // Active scan waiting for probe response time
75 #define CW_MIN_IN_BITS 4 // actual CwMin = 2^CW_MIN_IN_BITS - 1
76 #define LINK_DOWN_TIMEOUT 20000 // unit: msec
77 #define AUTO_WAKEUP_TIMEOUT 70 //unit: msec
80 #define CW_MAX_IN_BITS 10 // actual CwMax = 2^CW_MAX_IN_BITS - 1
83 // Note: RSSI_TO_DBM_OFFSET has been changed to variable for new RF (2004-0720).
84 // SHould not refer to this constant anymore
85 //#define RSSI_TO_DBM_OFFSET 120 // for RT2530 RSSI-115 = dBm
86 #define RSSI_FOR_MID_TX_POWER -55 // -55 db is considered mid-distance
87 #define RSSI_FOR_LOW_TX_POWER -45 // -45 db is considered very short distance and
88 // eligible to use a lower TX power
89 #define RSSI_FOR_LOWEST_TX_POWER -30
90 //#define MID_TX_POWER_DELTA 0 // 0 db from full TX power upon mid-distance to AP
91 #define LOW_TX_POWER_DELTA 6 // -3 db from full TX power upon very short distance. 1 grade is 0.5 db
92 #define LOWEST_TX_POWER_DELTA 16 // -8 db from full TX power upon shortest distance. 1 grade is 0.5 db
94 #define RSSI_TRIGGERED_UPON_BELOW_THRESHOLD 0
95 #define RSSI_TRIGGERED_UPON_EXCCEED_THRESHOLD 1
96 #define RSSI_THRESHOLD_FOR_ROAMING 25
99 // Channel Quality Indication
100 #define CQI_IS_GOOD(cqi) ((cqi) >= 50)
101 //#define CQI_IS_FAIR(cqi) (((cqi) >= 20) && ((cqi) < 50))
102 #define CQI_IS_POOR(cqi) (cqi < 50) //(((cqi) >= 5) && ((cqi) < 20))
103 #define CQI_IS_BAD(cqi) (cqi < 5)
104 #define CQI_IS_DEAD(cqi) (cqi == 0)
106 // weighting factor to calculate Channel quality, total should be 100%
107 #define RSSI_WEIGHTING 50
108 #define TX_WEIGHTING 30
109 #define RX_WEIGHTING 20
111 #define BSS_NOT_FOUND 0xFFFFFFFF
113 #define MAX_LEN_OF_MLME_QUEUE 40 //10
115 #define SCAN_PASSIVE 18 // scan with no probe request, only wait beacon and probe response
116 #define SCAN_ACTIVE 19 // scan with probe request, and wait beacon and probe response
117 #define SCAN_CISCO_PASSIVE 20 // Single channel passive scan
118 #define SCAN_CISCO_ACTIVE 21 // Single channel active scan
119 #define SCAN_CISCO_NOISE 22 // Single channel passive scan for noise histogram collection
120 #define SCAN_CISCO_CHANNEL_LOAD 23 // Single channel passive scan for channel load collection
121 #define FAST_SCAN_ACTIVE 24 // scan with probe request, and wait beacon and probe response
123 #define MAC_ADDR_IS_GROUP(Addr) (((Addr[0]) & 0x01))
124 #define MAC_ADDR_HASH(Addr) (Addr[0] ^ Addr[1] ^ Addr[2] ^ Addr[3] ^ Addr[4] ^ Addr[5])
125 #define MAC_ADDR_HASH_INDEX(Addr) (MAC_ADDR_HASH(Addr) % HASH_TABLE_SIZE)
126 #define TID_MAC_HASH(Addr,TID) (TID^Addr[0] ^ Addr[1] ^ Addr[2] ^ Addr[3] ^ Addr[4] ^ Addr[5])
127 #define TID_MAC_HASH_INDEX(Addr,TID) (TID_MAC_HASH(Addr,TID) % HASH_TABLE_SIZE)
130 // assoiation ON. one LED ON. another blinking when TX, OFF when idle
131 // no association, both LED off
132 #define ASIC_LED_ACT_ON(pAd) RTMP_IO_WRITE32(pAd, MAC_CSR14, 0x00031e46)
133 #define ASIC_LED_ACT_OFF(pAd) RTMP_IO_WRITE32(pAd, MAC_CSR14, 0x00001e46)
135 // bit definition of the 2-byte pBEACON->Capability field
136 #define CAP_IS_ESS_ON(x) (((x) & 0x0001) != 0)
137 #define CAP_IS_IBSS_ON(x) (((x) & 0x0002) != 0)
138 #define CAP_IS_CF_POLLABLE_ON(x) (((x) & 0x0004) != 0)
139 #define CAP_IS_CF_POLL_REQ_ON(x) (((x) & 0x0008) != 0)
140 #define CAP_IS_PRIVACY_ON(x) (((x) & 0x0010) != 0)
141 #define CAP_IS_SHORT_PREAMBLE_ON(x) (((x) & 0x0020) != 0)
142 #define CAP_IS_PBCC_ON(x) (((x) & 0x0040) != 0)
143 #define CAP_IS_AGILITY_ON(x) (((x) & 0x0080) != 0)
144 #define CAP_IS_SPECTRUM_MGMT(x) (((x) & 0x0100) != 0) // 802.11e d9
145 #define CAP_IS_QOS(x) (((x) & 0x0200) != 0) // 802.11e d9
146 #define CAP_IS_SHORT_SLOT(x) (((x) & 0x0400) != 0)
147 #define CAP_IS_APSD(x) (((x) & 0x0800) != 0) // 802.11e d9
148 #define CAP_IS_IMMED_BA(x) (((x) & 0x1000) != 0) // 802.11e d9
149 #define CAP_IS_DSSS_OFDM(x) (((x) & 0x2000) != 0)
150 #define CAP_IS_DELAY_BA(x) (((x) & 0x4000) != 0) // 802.11e d9
152 #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))
154 #define ERP_IS_NON_ERP_PRESENT(x) (((x) & 0x01) != 0) // 802.11g
155 #define ERP_IS_USE_PROTECTION(x) (((x) & 0x02) != 0) // 802.11g
156 #define ERP_IS_USE_BARKER_PREAMBLE(x) (((x) & 0x04) != 0) // 802.11g
158 #define DRS_TX_QUALITY_WORST_BOUND 8// 3 // just test by gary
159 #define DRS_PENALTY 8
162 //BA Policy subfiled value in ADDBA frame
166 // BA Initiator subfield in DELBA frame
171 #define ADDBA_RESULTCODE_SUCCESS 0
172 #define ADDBA_RESULTCODE_REFUSED 37
173 #define ADDBA_RESULTCODE_INVALID_PARAMETERS 38
176 #define DELBA_REASONCODE_QSTA_LEAVING 36
177 #define DELBA_REASONCODE_END_BA 37
178 #define DELBA_REASONCODE_UNKNOWN_BA 38
179 #define DELBA_REASONCODE_TIMEOUT 39
181 // reset all OneSecTx counters
182 #define RESET_ONE_SEC_TX_CNT(__pEntry) \
183 if (((__pEntry)) != NULL) \
185 (__pEntry)->OneSecTxRetryOkCount = 0; \
186 (__pEntry)->OneSecTxFailCount = 0; \
187 (__pEntry)->OneSecTxNoRetryOkCount = 0; \
191 // 802.11 frame formats
193 // HT Capability INFO field in HT Cap IE .
194 typedef struct PACKED {
196 USHORT ChannelWidth:1;
197 USHORT MimoPs:2;//momi power safe
198 USHORT GF:1; //green field
199 USHORT ShortGIfor20:1;
200 USHORT ShortGIfor40:1; //for40MHz
203 USHORT DelayedBA:1; //rt2860c not support
204 USHORT AMsduSize:1; // only support as zero
205 USHORT CCKmodein40:1;
207 USHORT Forty_Mhz_Intolerant:1;
208 USHORT LSIGTxopProSup:1;
209 } HT_CAP_INFO, *PHT_CAP_INFO;
211 // HT Capability INFO field in HT Cap IE .
212 typedef struct PACKED {
213 UCHAR MaxRAmpduFactor:2;
215 UCHAR rsv:3;//momi power safe
216 } HT_CAP_PARM, *PHT_CAP_PARM;
218 // HT Capability INFO field in HT Cap IE .
219 typedef struct PACKED {
221 UCHAR SupRate[2]; // unit : 1Mbps
222 UCHAR TxMCSSetDefined:1;
223 UCHAR TxRxNotEqual:1;
228 } HT_MCS_SET, *PHT_MCS_SET;
230 // HT Capability INFO field in HT Cap IE .
231 typedef struct PACKED {
234 USHORT rsv:5;//momi power safe
235 USHORT MCSFeedback:2; //0:no MCS feedback, 2:unsolicited MCS feedback, 3:Full MCS feedback, 1:rsv.
236 USHORT PlusHTC:1; //+HTC control field support
237 USHORT RDGSupport:1; //reverse Direction Grant support
239 } EXT_HT_CAP_INFO, *PEXT_HT_CAP_INFO;
241 // HT Beamforming field in HT Cap IE .
242 typedef struct PACKED _HT_BF_CAP{
243 ULONG TxBFRecCapable:1;
244 ULONG RxSoundCapable:1;
245 ULONG TxSoundCapable:1;
246 ULONG RxNDPCapable:1;
247 ULONG TxNDPCapable:1;
248 ULONG ImpTxBFCapable:1;
250 ULONG ExpCSICapable:1;
251 ULONG ExpNoComSteerCapable:1;
252 ULONG ExpComSteerCapable:1;
258 ULONG NoComSteerBFAntSup:2;
259 ULONG ComSteerBFAntSup:2;
261 ULONG ChanEstimation:2;
263 } HT_BF_CAP, *PHT_BF_CAP;
265 // HT antenna selection field in HT Cap IE .
266 typedef struct PACKED _HT_AS_CAP{
268 UCHAR ExpCSIFbkTxASEL:1;
269 UCHAR AntIndFbkTxASEL:1;
275 } HT_AS_CAP, *PHT_AS_CAP;
277 // Draft 1.0 set IE length 26, but is extensible..
278 #define SIZE_HT_CAP_IE 26
279 // The structure for HT Capability IE.
280 typedef struct PACKED _HT_CAPABILITY_IE{
281 HT_CAP_INFO HtCapInfo;
282 HT_CAP_PARM HtCapParm;
283 // HT_MCS_SET HtMCSSet;
285 EXT_HT_CAP_INFO ExtHtCapInfo;
286 HT_BF_CAP TxBFCap; // beamforming cap. rt2860c not support beamforming.
287 HT_AS_CAP ASCap; //antenna selection.
288 } HT_CAPABILITY_IE, *PHT_CAPABILITY_IE;
291 // 802.11n draft3 related structure definitions.
293 #define dot11OBSSScanPassiveDwell 20 // in TU. min amount of time that the STA continously scans each channel when performing an active OBSS scan.
294 #define dot11OBSSScanActiveDwell 10 // in TU.min amount of time that the STA continously scans each channel when performing an passive OBSS scan.
295 #define dot11BSSWidthTriggerScanInterval 300 // in sec. max interval between scan operations to be performed to detect BSS channel width trigger events.
296 #define dot11OBSSScanPassiveTotalPerChannel 200 // in TU. min total amount of time that the STA scans each channel when performing a passive OBSS scan.
297 #define dot11OBSSScanActiveTotalPerChannel 20 //in TU. min total amount of time that the STA scans each channel when performing a active OBSS scan
298 #define dot11BSSWidthChannelTransactionDelayFactor 5 // min ratio between the delay time in performing a switch from 20MHz BSS to 20/40 BSS operation and the maximum
299 // interval between overlapping BSS scan operations.
300 #define dot11BSSScanActivityThreshold 25 // in %%, max total time that a STA may be active on the medium during a period of
301 // (dot11BSSWidthChannelTransactionDelayFactor * dot11BSSWidthTriggerScanInterval) seconds without
302 // being obligated to perform OBSS Scan operations. default is 25(== 0.25%)
304 typedef struct PACKED _OVERLAP_BSS_SCAN_IE{
305 USHORT ScanPassiveDwell;
306 USHORT ScanActiveDwell;
307 USHORT TriggerScanInt; // Trigger scan interval
308 USHORT PassiveTalPerChannel; // passive total per channel
309 USHORT ActiveTalPerChannel; // active total per channel
310 USHORT DelayFactor; // BSS width channel transition delay factor
311 USHORT ScanActThre; // Scan Activity threshold
312 }OVERLAP_BSS_SCAN_IE, *POVERLAP_BSS_SCAN_IE;
315 // 7.3.2.56. 20/40 Coexistence element used in Element ID = 72 = IE_2040_BSS_COEXIST
316 typedef union PACKED _BSS_2040_COEXIST_IE{
319 UCHAR Intolerant40:1; // Inter-BSS. set 1 when prohibits a receiving BSS from operating as a 20/40 Mhz BSS.
320 UCHAR BSS20WidthReq:1; // Intra-BSS set 1 when prohibits a receiving AP from operating its BSS as a 20/40MHz BSS.
324 } BSS_2040_COEXIST_IE, *PBSS_2040_COEXIST_IE;
327 typedef struct _TRIGGER_EVENTA{
330 UCHAR RegClass; // Regulatory Class
332 ULONG CDCounter; // Maintain a seperate count down counter for each Event A.
333 } TRIGGER_EVENTA, *PTRIGGER_EVENTA;
335 // 20/40 trigger event table
336 // If one Event A delete or created, or if Event B is detected or not detected, STA should send 2040BSSCoexistence to AP.
337 #define MAX_TRIGGER_EVENT 64
338 typedef struct _TRIGGER_EVENT_TAB{
340 TRIGGER_EVENTA EventA[MAX_TRIGGER_EVENT];
341 ULONG EventBCountDown; // Count down counter for Event B.
342 } TRIGGER_EVENT_TAB, *PTRIGGER_EVENT_TAB;
344 // 7.3.27 20/40 Bss Coexistence Mgmt capability used in extended capabilities information IE( ID = 127 = IE_EXT_CAPABILITY).
345 // This is the first octet and was defined in 802.11n D3.03 and 802.11yD9.0
346 typedef struct PACKED _EXT_CAP_INFO_ELEMENT{
347 UCHAR BssCoexistMgmtSupport:1;
349 UCHAR ExtendChannelSwitch:1;
351 }EXT_CAP_INFO_ELEMENT, *PEXT_CAP_INFO_ELEMENT;
355 typedef struct PACKED _BSS_2040_COEXIST_ELEMENT{
356 UCHAR ElementID; // ID = IE_2040_BSS_COEXIST = 72
358 BSS_2040_COEXIST_IE BssCoexistIe;
359 }BSS_2040_COEXIST_ELEMENT, *PBSS_2040_COEXIST_ELEMENT;
363 typedef struct PACKED _BSS_2040_INTOLERANT_CH_REPORT{
364 UCHAR ElementID; // ID = IE_2040_BSS_INTOLERANT_REPORT = 73
366 UCHAR RegulatoryClass;
368 }BSS_2040_INTOLERANT_CH_REPORT, *PBSS_2040_INTOLERANT_CH_REPORT;
371 // The structure for channel switch annoucement IE. This is in 802.11n D3.03
372 typedef struct PACKED _CHA_SWITCH_ANNOUNCE_IE{
373 UCHAR SwitchMode; //channel switch mode
375 UCHAR SwitchCount; //
376 } CHA_SWITCH_ANNOUNCE_IE, *PCHA_SWITCH_ANNOUNCE_IE;
379 // The structure for channel switch annoucement IE. This is in 802.11n D3.03
380 typedef struct PACKED _SEC_CHA_OFFSET_IE{
381 UCHAR SecondaryChannelOffset; // 1: Secondary above, 3: Secondary below, 0: no Secondary
382 } SEC_CHA_OFFSET_IE, *PSEC_CHA_OFFSET_IE;
385 // This structure is extracted from struct RT_HT_CAPABILITY
387 BOOLEAN bHtEnable; // If we should use ht rate.
388 BOOLEAN bPreNHt; // If we should use ht rate.
389 //Substract from HT Capability IE
391 } RT_HT_PHY_INFO, *PRT_HT_PHY_INFO;
393 //This structure substracts ralink supports from all 802.11n-related features.
394 //Features not listed here but contained in 802.11n spec are not supported in rt2860.
396 USHORT ChannelWidth:1;
397 USHORT MimoPs:2;//mimo power safe MMPS_
398 USHORT GF:1; //green field
399 USHORT ShortGIfor20:1;
400 USHORT ShortGIfor40:1; //for40MHz
402 USHORT RxSTBC:2; // 2 bits
403 USHORT AmsduEnable:1; // Enable to transmit A-MSDU. Suggest disable. We should use A-MPDU to gain best benifit of 802.11n
404 USHORT AmsduSize:1; // Max receiving A-MSDU size
407 //Substract from Addiont HT INFO IE
408 UCHAR MaxRAmpduFactor:2;
410 UCHAR ExtChanOffset:2; // Please not the difference with following UCHAR NewExtChannelOffset; from 802.11n
413 USHORT OperaionMode:2;
414 USHORT NonGfPresent:1;
416 USHORT OBSS_NonHTExist:1;
419 // New Extension Channel Offset IE
420 UCHAR NewExtChannelOffset;
421 // Extension Capability IE = 127
422 UCHAR BSSCoexist2040;
423 } RT_HT_CAPABILITY, *PRT_HT_CAPABILITY;
425 // field in Addtional HT Information IE .
426 typedef struct PACKED {
427 UCHAR ExtChanOffset:2;
430 UCHAR S_PSMPSup:1; //Indicate support for scheduled PSMP
431 UCHAR SerInterGranu:3; //service interval granularity
432 } ADD_HTINFO, *PADD_HTINFO;
434 typedef struct PACKED{
435 USHORT OperaionMode:2;
436 USHORT NonGfPresent:1;
438 USHORT OBSS_NonHTExist:1;
440 } ADD_HTINFO2, *PADD_HTINFO2;
443 // TODO: Need sync with spec about the definition of StbcMcs. In Draft 3.03, it's reserved.
444 typedef struct PACKED{
447 USHORT DualCTSProtect:1;
449 USHORT LsigTxopProt:1; // L-SIG TXOP protection full support
453 } ADD_HTINFO3, *PADD_HTINFO3;
455 #define SIZE_ADD_HT_INFO_IE 22
456 typedef struct PACKED{
458 ADD_HTINFO AddHtInfo;
459 ADD_HTINFO2 AddHtInfo2;
460 ADD_HTINFO3 AddHtInfo3;
461 UCHAR MCSSet[16]; // Basic MCS set
462 } ADD_HT_INFO_IE, *PADD_HT_INFO_IE;
464 typedef struct PACKED{
465 UCHAR NewExtChanOffset;
466 } NEW_EXT_CHAN_IE, *PNEW_EXT_CHAN_IE;
468 typedef struct PACKED _FRAME_802_11 {
471 } FRAME_802_11, *PFRAME_802_11;
473 // QoSNull embedding of management action. When HT Control MA field set to 1.
474 typedef struct PACKED _MA_BODY {
478 } MA_BODY, *PMA_BODY;
480 typedef struct PACKED _HEADER_802_3 {
481 UCHAR DAAddr1[MAC_ADDR_LEN];
482 UCHAR SAAddr2[MAC_ADDR_LEN];
484 } HEADER_802_3, *PHEADER_802_3;
485 ////Block ACK related format
486 // 2-byte BA Parameter field in DELBA frames to terminate an already set up bA
487 typedef struct PACKED{
488 USHORT Rsv:11; // always set to 0
489 USHORT Initiator:1; // 1: originator 0:recipient
490 USHORT TID:4; // value of TC os TS
491 } DELBA_PARM, *PDELBA_PARM;
493 // 2-byte BA Parameter Set field in ADDBA frames to signal parm for setting up a BA
494 typedef struct PACKED {
495 USHORT AMSDUSupported:1; // 0: not permitted 1: permitted
496 USHORT BAPolicy:1; // 1: immediately BA 0:delayed BA
497 USHORT TID:4; // value of TC os TS
498 USHORT BufSize:10; // number of buffe of size 2304 octetsr
499 } BA_PARM, *PBA_PARM;
501 // 2-byte BA Starting Seq CONTROL field
502 typedef union PACKED {
504 USHORT FragNum:4; // always set to 0
505 USHORT StartSeq:12; // sequence number of the 1st MSDU for which this BAR is sent
508 } BASEQ_CONTROL, *PBASEQ_CONTROL;
510 //BAControl and BARControl are the same
511 // 2-byte BA CONTROL field in BA frame
512 typedef struct PACKED {
513 USHORT ACKPolicy:1; // only related to N-Delayed BA. But not support in RT2860b. 0:NormalACK 1:No ACK
514 USHORT MTID:1; //EWC V1.24
518 } BA_CONTROL, *PBA_CONTROL;
520 // 2-byte BAR CONTROL field in BAR frame
521 typedef struct PACKED {
522 USHORT ACKPolicy:1; // 0:normal ack, 1:no ack.
523 USHORT MTID:1; //if this bit1, use FRAME_MTBA_REQ, if 0, use FRAME_BA_REQ
527 } BAR_CONTROL, *PBAR_CONTROL;
529 // BARControl in MTBAR frame
530 typedef struct PACKED {
536 } MTBAR_CONTROL, *PMTBAR_CONTROL;
538 typedef struct PACKED {
541 } PER_TID_INFO, *PPER_TID_INFO;
545 BASEQ_CONTROL BAStartingSeq;
546 } EACH_TID, *PEACH_TID;
549 // BAREQ AND MTBAREQ have the same subtype BAR, 802.11n BAR use compressed bitmap.
550 typedef struct PACKED _FRAME_BA_REQ {
553 UCHAR Addr1[MAC_ADDR_LEN];
554 UCHAR Addr2[MAC_ADDR_LEN];
555 BAR_CONTROL BARControl;
556 BASEQ_CONTROL BAStartingSeq;
557 } FRAME_BA_REQ, *PFRAME_BA_REQ;
559 typedef struct PACKED _FRAME_MTBA_REQ {
562 UCHAR Addr1[MAC_ADDR_LEN];
563 UCHAR Addr2[MAC_ADDR_LEN];
564 MTBAR_CONTROL MTBARControl;
565 PER_TID_INFO PerTIDInfo;
566 BASEQ_CONTROL BAStartingSeq;
567 } FRAME_MTBA_REQ, *PFRAME_MTBA_REQ;
569 // Compressed format is mandantory in HT STA
570 typedef struct PACKED _FRAME_MTBA {
573 UCHAR Addr1[MAC_ADDR_LEN];
574 UCHAR Addr2[MAC_ADDR_LEN];
575 BA_CONTROL BAControl;
576 BASEQ_CONTROL BAStartingSeq;
578 } FRAME_MTBA, *PFRAME_MTBA;
580 typedef struct PACKED _FRAME_PSMP_ACTION {
584 UCHAR Psmp; // 7.3.1.25
585 } FRAME_PSMP_ACTION, *PFRAME_PSMP_ACTION;
587 typedef struct PACKED _FRAME_ACTION_HDR {
591 } FRAME_ACTION_HDR, *PFRAME_ACTION_HDR;
594 //Action Frame Category:Spectrum, Action:Channel Switch. 7.3.2.20
595 typedef struct PACKED _CHAN_SWITCH_ANNOUNCE {
596 UCHAR ElementID; // ID = IE_CHANNEL_SWITCH_ANNOUNCEMENT = 37
598 CHA_SWITCH_ANNOUNCE_IE CSAnnounceIe;
599 } CHAN_SWITCH_ANNOUNCE, *PCHAN_SWITCH_ANNOUNCE;
602 //802.11n : 7.3.2.20a
603 typedef struct PACKED _SECOND_CHAN_OFFSET {
604 UCHAR ElementID; // ID = IE_SECONDARY_CH_OFFSET = 62
606 SEC_CHA_OFFSET_IE SecChOffsetIe;
607 } SECOND_CHAN_OFFSET, *PSECOND_CHAN_OFFSET;
610 typedef struct PACKED _FRAME_SPETRUM_CS {
614 CHAN_SWITCH_ANNOUNCE CSAnnounce;
615 SECOND_CHAN_OFFSET SecondChannel;
616 } FRAME_SPETRUM_CS, *PFRAME_SPETRUM_CS;
619 typedef struct PACKED _FRAME_ADDBA_REQ {
624 BA_PARM BaParm; // 2 - 10
625 USHORT TimeOutValue; // 0 - 0
626 BASEQ_CONTROL BaStartSeq; // 0-0
627 } FRAME_ADDBA_REQ, *PFRAME_ADDBA_REQ;
629 typedef struct PACKED _FRAME_ADDBA_RSP {
635 BA_PARM BaParm; //0 - 2
637 } FRAME_ADDBA_RSP, *PFRAME_ADDBA_RSP;
639 typedef struct PACKED _FRAME_DELBA_REQ {
643 DELBA_PARM DelbaParm;
645 } FRAME_DELBA_REQ, *PFRAME_DELBA_REQ;
649 typedef struct PACKED _FRAME_BAR {
652 UCHAR Addr1[MAC_ADDR_LEN];
653 UCHAR Addr2[MAC_ADDR_LEN];
654 BAR_CONTROL BarControl;
655 BASEQ_CONTROL StartingSeq;
656 } FRAME_BAR, *PFRAME_BAR;
659 typedef struct PACKED _FRAME_BA {
662 UCHAR Addr1[MAC_ADDR_LEN];
663 UCHAR Addr2[MAC_ADDR_LEN];
664 BAR_CONTROL BarControl;
665 BASEQ_CONTROL StartingSeq;
667 } FRAME_BA, *PFRAME_BA;
670 // Radio Measuement Request Frame Format
671 typedef struct PACKED _FRAME_RM_REQ_ACTION {
678 } FRAME_RM_REQ_ACTION, *PFRAME_RM_REQ_ACTION;
680 typedef struct PACKED {
683 UCHAR ChannelSwitchMode;
686 UCHAR ChannelSwitchCount;
687 } HT_EXT_CHANNEL_SWITCH_ANNOUNCEMENT_IE, *PHT_EXT_CHANNEL_SWITCH_ANNOUNCEMENT_IE;
691 // _Limit must be the 2**n - 1
692 // _SEQ1 , _SEQ2 must be within 0 ~ _Limit
694 #define SEQ_STEPONE(_SEQ1, _SEQ2, _Limit) ((_SEQ1 == ((_SEQ2+1) & _Limit)))
695 #define SEQ_SMALLER(_SEQ1, _SEQ2, _Limit) (((_SEQ1-_SEQ2) & ((_Limit+1)>>1)))
696 #define SEQ_LARGER(_SEQ1, _SEQ2, _Limit) ((_SEQ1 != _SEQ2) && !(((_SEQ1-_SEQ2) & ((_Limit+1)>>1))))
697 #define SEQ_WITHIN_WIN(_SEQ1, _SEQ2, _WIN, _Limit) (SEQ_LARGER(_SEQ1, _SEQ2, _Limit) && \
698 SEQ_SMALLER(_SEQ1, ((_SEQ2+_WIN+1)&_Limit), _Limit))
701 // Contention-free parameter (without ID and Length)
703 typedef struct PACKED {
704 BOOLEAN bValid; // 1: variable contains valid value
707 USHORT CfpMaxDuration;
708 USHORT CfpDurRemaining;
709 } CF_PARM, *PCF_PARM;
711 typedef struct _CIPHER_SUITE {
712 NDIS_802_11_ENCRYPTION_STATUS PairCipher; // Unicast cipher 1, this one has more secured cipher suite
713 NDIS_802_11_ENCRYPTION_STATUS PairCipherAux; // Unicast cipher 2 if AP announce two unicast cipher suite
714 NDIS_802_11_ENCRYPTION_STATUS GroupCipher; // Group cipher
715 USHORT RsnCapability; // RSN capability from beacon
716 BOOLEAN bMixMode; // Indicate Pair & Group cipher might be different
717 } CIPHER_SUITE, *PCIPHER_SUITE;
719 // EDCA configuration from AP's BEACON/ProbeRsp
721 BOOLEAN bValid; // 1: variable contains valid value
722 BOOLEAN bAdd; // 1: variable contains valid value
724 BOOLEAN bQueueRequest;
725 BOOLEAN bTxopRequest;
726 BOOLEAN bAPSDCapable;
727 // BOOLEAN bMoreDataAck;
728 UCHAR EdcaUpdateCount;
729 UCHAR Aifsn[4]; // 0:AC_BK, 1:AC_BE, 2:AC_VI, 3:AC_VO
732 USHORT Txop[4]; // in unit of 32-us
733 BOOLEAN bACM[4]; // 1: Admission Control of AC_BK is mandattory
734 } EDCA_PARM, *PEDCA_PARM;
736 // QBSS LOAD information from QAP's BEACON/ProbeRsp
738 BOOLEAN bValid; // 1: variable contains valid value
740 UCHAR ChannelUtilization;
741 USHORT RemainingAdmissionControl; // in unit of 32-us
742 } QBSS_LOAD_PARM, *PQBSS_LOAD_PARM;
744 // QBSS Info field in QSTA's assoc req
745 typedef struct PACKED {
753 } QBSS_STA_INFO_PARM, *PQBSS_STA_INFO_PARM;
755 // QBSS Info field in QAP's Beacon/ProbeRsp
756 typedef struct PACKED {
757 UCHAR ParamSetCount:4;
760 } QBSS_AP_INFO_PARM, *PQBSS_AP_INFO_PARM;
762 // QOS Capability reported in QAP's BEACON/ProbeRsp
763 // QOS Capability sent out in QSTA's AssociateReq/ReAssociateReq
765 BOOLEAN bValid; // 1: variable contains valid value
767 BOOLEAN bQueueRequest;
768 BOOLEAN bTxopRequest;
769 // BOOLEAN bMoreDataAck;
770 UCHAR EdcaUpdateCount;
771 } QOS_CAPABILITY_PARM, *PQOS_CAPABILITY_PARM;
775 UCHAR IE[MAX_CUSTOM_LEN];
779 UCHAR Bssid[MAC_ADDR_LEN];
781 UCHAR CentralChannel; //Store the wide-band central channel for 40MHz. .used in 40MHz AP. Or this is the same as Channel.
786 UCHAR SupRate[MAX_LEN_OF_SUPPORTED_RATES];
788 UCHAR ExtRate[MAX_LEN_OF_SUPPORTED_RATES];
790 HT_CAPABILITY_IE HtCapability;
791 UCHAR HtCapabilityLen;
792 ADD_HT_INFO_IE AddHtInfo; // AP might use this additional ht info IE
794 UCHAR NewExtChanOffset;
796 UCHAR Privacy; // Indicate security function ON/OFF. Don't mess up with auth mode.
800 USHORT CapabilityInfo;
804 USHORT CfpMaxDuration;
805 USHORT CfpDurRemaining;
807 CHAR Ssid[MAX_LEN_OF_SSID];
809 ULONG LastBeaconRxTime; // OS's timestamp
814 CIPHER_SUITE WPA; // AP announced WPA cipher suite
815 CIPHER_SUITE WPA2; // AP announced WPA2 cipher suite
817 // New for microsoft WPA support
818 NDIS_802_11_FIXED_IEs FixIEs;
819 NDIS_802_11_AUTHENTICATION_MODE AuthModeAux; // Addition mode for WPA2 / WPA capable AP
820 NDIS_802_11_AUTHENTICATION_MODE AuthMode;
821 NDIS_802_11_WEP_STATUS WepStatus; // Unicast Encryption Algorithm extract from VAR_IE
822 USHORT VarIELen; // Length of next VIE include EID & Length
823 UCHAR VarIEs[MAX_VIE_LEN];
825 // CCX Ckip information
829 UCHAR PTSF[4]; // Parent TSF
830 UCHAR TTSF[8]; // Target TSF
832 // 802.11e d9, and WMM
834 QOS_CAPABILITY_PARM QosCapability;
835 QBSS_LOAD_PARM QbssLoad;
838 } BSS_ENTRY, *PBSS_ENTRY;
843 BSS_ENTRY BssEntry[MAX_LEN_OF_BSS_TABLE];
844 } BSS_TABLE, *PBSS_TABLE;
847 typedef struct _MLME_QUEUE_ELEM {
851 UCHAR Msg[MGMT_DMA_BUFFER_SIZE];
852 LARGE_INTEGER TimeStamp;
860 } MLME_QUEUE_ELEM, *PMLME_QUEUE_ELEM;
862 typedef struct _MLME_QUEUE {
867 MLME_QUEUE_ELEM Entry[MAX_LEN_OF_MLME_QUEUE];
868 } MLME_QUEUE, *PMLME_QUEUE;
870 typedef VOID (*STATE_MACHINE_FUNC)(VOID *Adaptor, MLME_QUEUE_ELEM *Elem);
872 typedef struct _STATE_MACHINE {
877 STATE_MACHINE_FUNC *TransFunc;
878 } STATE_MACHINE, *PSTATE_MACHINE;
881 // MLME AUX data structure that hold temporarliy settings during a connection attempt.
882 // Once this attemp succeeds, all settings will be copy to pAd->StaActive.
883 // A connection attempt (user set OID, roaming, CCX fast roaming,..) consists of
884 // several steps (JOIN, AUTH, ASSOC or REASSOC) and may fail at any step. We purposely
885 // separate this under-trial settings away from pAd->StaActive so that once
886 // this new attempt failed, driver can auto-recover back to the active settings.
887 typedef struct _MLME_AUX {
889 UCHAR Ssid[MAX_LEN_OF_SSID];
891 UCHAR Bssid[MAC_ADDR_LEN];
892 UCHAR AutoReconnectSsid[MAX_LEN_OF_SSID];
893 UCHAR AutoReconnectSsidLen;
897 UCHAR CentralChannel;
899 USHORT CapabilityInfo;
901 USHORT CfpMaxDuration;
905 // Copy supported rate from desired AP's beacon. We are trying to match
906 // AP's supported and extended rate settings.
907 UCHAR SupRate[MAX_LEN_OF_SUPPORTED_RATES];
908 UCHAR ExtRate[MAX_LEN_OF_SUPPORTED_RATES];
911 HT_CAPABILITY_IE HtCapability;
912 UCHAR HtCapabilityLen;
913 ADD_HT_INFO_IE AddHtInfo; // AP might use this additional ht info IE
914 UCHAR NewExtChannelOffset;
915 //RT_HT_CAPABILITY SupportedHtPhy;
918 QOS_CAPABILITY_PARM APQosCapability; // QOS capability of the current associated AP
919 EDCA_PARM APEdcaParm; // EDCA parameters of the current associated AP
920 QBSS_LOAD_PARM APQbssLoad; // QBSS load of the current associated AP
922 // new to keep Ralink specific feature
925 BSS_TABLE SsidBssTab; // AP list for the same SSID
926 BSS_TABLE RoamTab; // AP list eligible for roaming
930 BOOLEAN CurrReqIsFromNdis;
932 RALINK_TIMER_STRUCT BeaconTimer, ScanTimer;
933 RALINK_TIMER_STRUCT AuthTimer;
934 RALINK_TIMER_STRUCT AssocTimer, ReassocTimer, DisassocTimer;
935 } MLME_AUX, *PMLME_AUX;
937 typedef struct _MLME_ADDBA_REQ_STRUCT{
939 UCHAR pAddr[MAC_ADDR_LEN];
945 } MLME_ADDBA_REQ_STRUCT, *PMLME_ADDBA_REQ_STRUCT;
948 typedef struct _MLME_DELBA_REQ_STRUCT{
950 UCHAR Addr[MAC_ADDR_LEN];
953 } MLME_DELBA_REQ_STRUCT, *PMLME_DELBA_REQ_STRUCT;
955 // assoc struct is equal to reassoc
956 typedef struct _MLME_ASSOC_REQ_STRUCT{
957 UCHAR Addr[MAC_ADDR_LEN];
958 USHORT CapabilityInfo;
961 } MLME_ASSOC_REQ_STRUCT, *PMLME_ASSOC_REQ_STRUCT, MLME_REASSOC_REQ_STRUCT, *PMLME_REASSOC_REQ_STRUCT;
963 typedef struct _MLME_DISASSOC_REQ_STRUCT{
964 UCHAR Addr[MAC_ADDR_LEN];
966 } MLME_DISASSOC_REQ_STRUCT, *PMLME_DISASSOC_REQ_STRUCT;
968 typedef struct _MLME_AUTH_REQ_STRUCT {
969 UCHAR Addr[MAC_ADDR_LEN];
972 } MLME_AUTH_REQ_STRUCT, *PMLME_AUTH_REQ_STRUCT;
974 typedef struct _MLME_DEAUTH_REQ_STRUCT {
975 UCHAR Addr[MAC_ADDR_LEN];
977 } MLME_DEAUTH_REQ_STRUCT, *PMLME_DEAUTH_REQ_STRUCT;
981 } MLME_JOIN_REQ_STRUCT;
983 typedef struct _MLME_SCAN_REQ_STRUCT {
984 UCHAR Bssid[MAC_ADDR_LEN];
988 CHAR Ssid[MAX_LEN_OF_SSID];
989 } MLME_SCAN_REQ_STRUCT, *PMLME_SCAN_REQ_STRUCT;
991 typedef struct _MLME_START_REQ_STRUCT {
992 CHAR Ssid[MAX_LEN_OF_SSID];
994 } MLME_START_REQ_STRUCT, *PMLME_START_REQ_STRUCT;
996 typedef struct PACKED {
1000 } EID_STRUCT,*PEID_STRUCT, BEACON_EID_STRUCT, *PBEACON_EID_STRUCT;
1002 typedef struct PACKED _RTMP_TX_RATE_SWITCH
1014 } RRTMP_TX_RATE_SWITCH, *PRTMP_TX_RATE_SWITCH;
1016 // ========================== AP mlme.h ===============================
1017 #define TBTT_PRELOAD_TIME 384 // usec. LomgPreamble + 24-byte at 1Mbps
1018 #define DEFAULT_DTIM_PERIOD 1
1020 #define MAC_TABLE_AGEOUT_TIME 300 // unit: sec
1021 #define MAC_TABLE_ASSOC_TIMEOUT 5 // unit: sec
1022 #define MAC_TABLE_FULL(Tab) ((Tab).size == MAX_LEN_OF_MAC_TABLE)
1024 // AP shall drop the sta if contine Tx fail count reach it.
1025 #define MAC_ENTRY_LIFE_CHECK_CNT 20 // packet cnt.
1027 // Value domain of pMacEntry->Sst
1029 SST_NOT_AUTH, // 0: equivalent to IEEE 802.11/1999 state 1
1030 SST_AUTH, // 1: equivalent to IEEE 802.11/1999 state 2
1031 SST_ASSOC // 2: equivalent to IEEE 802.11/1999 state 3
1034 // value domain of pMacEntry->AuthState
1035 typedef enum _AuthState {
1037 AS_AUTH_OPEN, // STA has been authenticated using OPEN SYSTEM
1038 AS_AUTH_KEY, // STA has been authenticated using SHARED KEY
1039 AS_AUTHENTICATING // STA is waiting for AUTH seq#3 using SHARED KEY
1042 //for-wpa value domain of pMacEntry->WpaState 802.1i D3 p.114
1043 typedef enum _ApWpaState {
1046 AS_DISCONNECTED, // 2
1048 AS_AUTHENTICATION, // 4
1049 AS_AUTHENTICATION2, // 5
1053 AS_PTKINIT_NEGOTIATING, // 9
1054 AS_PTKINITDONE, // 10
1055 AS_UPDATEKEYS, // 11
1056 AS_INTEGRITY_FAILURE, // 12
1060 // for-wpa value domain of pMacEntry->WpaState 802.1i D3 p.114
1061 typedef enum _GTKState {
1067 // for-wpa value domain of pMacEntry->WpaState 802.1i D3 p.114
1068 typedef enum _WpaGTKState {
1072 // ====================== end of AP mlme.h ============================