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/*
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* 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
*/
# ifndef __MLME_H__
# define __MLME_H__
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# include "rtmp_dot11.h"
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/* maximum supported capability information - */
/* ESS, IBSS, Privacy, Short Preamble, Spectrum mgmt, Short Slot */
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# define SUPPORTED_CAPABILITY_INFO 0x0533
# define END_OF_ARGS -1
# define LFSR_MASK 0x80000057
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# define MLME_TASK_EXEC_INTV 100 /*200*/ /* */
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# define LEAD_TIME 5
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# 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 */
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/* The definition of Radar detection duration region */
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# define CE 0
# define FCC 1
# define JAP 2
# define JAP_W53 3
# define JAP_W56 4
# define MAX_RD_REGION 5
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# 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 */
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# define RSSI_FOR_LOWEST_TX_POWER -30
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/*#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 */
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# define RSSI_TRIGGERED_UPON_BELOW_THRESHOLD 0
# define RSSI_TRIGGERED_UPON_EXCCEED_THRESHOLD 1
# define RSSI_THRESHOLD_FOR_ROAMING 25
# define RSSI_DELTA 5
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/* Channel Quality Indication */
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# define CQI_IS_GOOD(cqi) ((cqi) >= 50)
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/*#define CQI_IS_FAIR(cqi) (((cqi) >= 20) && ((cqi) < 50)) */
# define CQI_IS_POOR(cqi) (cqi < 50) /*(((cqi) >= 5) && ((cqi) < 20)) */
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# define CQI_IS_BAD(cqi) (cqi < 5)
# define CQI_IS_DEAD(cqi) (cqi == 0)
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/* weighting factor to calculate Channel quality, total should be 100% */
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# define RSSI_WEIGHTING 50
# define TX_WEIGHTING 30
# define RX_WEIGHTING 20
# define BSS_NOT_FOUND 0xFFFFFFFF
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# define MAX_LEN_OF_MLME_QUEUE 40 /*10 */
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# 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 */
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# 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)
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/* LED Control */
/* assoiation ON. one LED ON. another blinking when TX, OFF when idle */
/* no association, both LED off */
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# 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)
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/* bit definition of the 2-byte pBEACON->Capability field */
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# 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)
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# define CAP_IS_SPECTRUM_MGMT(x) (((x) & 0x0100) != 0) /* 802.11e d9 */
# define CAP_IS_QOS(x) (((x) & 0x0200) != 0) /* 802.11e d9 */
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# define CAP_IS_SHORT_SLOT(x) (((x) & 0x0400) != 0)
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# define CAP_IS_APSD(x) (((x) & 0x0800) != 0) /* 802.11e d9 */
# define CAP_IS_IMMED_BA(x) (((x) & 0x1000) != 0) /* 802.11e d9 */
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# define CAP_IS_DSSS_OFDM(x) (((x) & 0x2000) != 0)
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# define CAP_IS_DELAY_BA(x) (((x) & 0x4000) != 0) /* 802.11e d9 */
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# 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))
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# 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 */
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# define DRS_TX_QUALITY_WORST_BOUND 8 /* 3 // just test by gary */
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# define DRS_PENALTY 8
# define BA_NOTUSE 2
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/*BA Policy subfiled value in ADDBA frame */
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# define IMMED_BA 1
# define DELAY_BA 0
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/* BA Initiator subfield in DELBA frame */
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# define ORIGINATOR 1
# define RECIPIENT 0
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/* ADDBA Status Code */
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# define ADDBA_RESULTCODE_SUCCESS 0
# define ADDBA_RESULTCODE_REFUSED 37
# define ADDBA_RESULTCODE_INVALID_PARAMETERS 38
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/* DELBA Reason Code */
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# define DELBA_REASONCODE_QSTA_LEAVING 36
# define DELBA_REASONCODE_END_BA 37
# define DELBA_REASONCODE_UNKNOWN_BA 38
# define DELBA_REASONCODE_TIMEOUT 39
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/* reset all OneSecTx counters */
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# define RESET_ONE_SEC_TX_CNT(__pEntry) \
if ( ( ( __pEntry ) ) ! = NULL ) \
{ \
( __pEntry ) - > OneSecTxRetryOkCount = 0 ; \
( __pEntry ) - > OneSecTxFailCount = 0 ; \
( __pEntry ) - > OneSecTxNoRetryOkCount = 0 ; \
}
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/* */
/* 802.11 frame formats */
/* */
/* HT Capability INFO field in HT Cap IE . */
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struct PACKED rt_ht_cap_info {
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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 ;
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} ;
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/* HT Capability INFO field in HT Cap IE . */
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struct PACKED rt_ht_cap_parm {
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u8 MaxRAmpduFactor : 2 ;
u8 MpduDensity : 3 ;
u8 rsv : 3 ; /*momi power safe */
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} ;
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/* HT Capability INFO field in HT Cap IE . */
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struct PACKED rt_ht_mcs_set {
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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 ] ;
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} ;
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/* HT Capability INFO field in HT Cap IE . */
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struct PACKED rt_ext_ht_cap_info {
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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 ;
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} ;
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/* HT Beamforming field in HT Cap IE . */
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struct PACKED rt_ht_bf_cap {
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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 ;
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} ;
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/* HT antenna selection field in HT Cap IE . */
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struct PACKED rt_ht_as_cap {
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u8 AntSelect : 1 ;
u8 ExpCSIFbkTxASEL : 1 ;
u8 AntIndFbkTxASEL : 1 ;
u8 ExpCSIFbk : 1 ;
u8 AntIndFbk : 1 ;
u8 RxASel : 1 ;
u8 TxSoundPPDU : 1 ;
u8 rsv : 1 ;
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} ;
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/* Draft 1.0 set IE length 26, but is extensible.. */
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# define SIZE_HT_CAP_IE 26
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/* The structure for HT Capability IE. */
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struct PACKED rt_ht_capability_ie {
struct rt_ht_cap_info HtCapInfo ;
struct rt_ht_cap_parm HtCapParm ;
/* struct rt_ht_mcs_set HtMCSSet; */
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u8 MCSSet [ 16 ] ;
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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. */
} ;
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/* 802.11n draft3 related structure definitions. */
/* 7.3.2.60 */
# define dot11OBSSScanPassiveDwell 20 /* in TU. min amount of time that the STA continously scans each channel when performing an active OBSS scan. */
# define dot11OBSSScanActiveDwell 10 /* in TU.min amount of time that the STA continously 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%) */
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struct PACKED rt_overlap_bss_scan_ie {
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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 */
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} ;
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/* 7.3.2.56. 20/40 Coexistence element used in Element ID = 72 = IE_2040_BSS_COEXIST */
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typedef union PACKED _BSS_2040_COEXIST_IE {
struct PACKED {
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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 ;
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} field ;
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u8 word ;
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} BSS_2040_COEXIST_IE , * PBSS_2040_COEXIST_IE ;
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struct rt_trigger_eventa {
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BOOLEAN bValid ;
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u8 BSSID [ 6 ] ;
u8 RegClass ; /* Regulatory Class */
u16 Channel ;
unsigned long CDCounter ; /* Maintain a seperate count down counter for each Event A. */
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} ;
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/* 20/40 trigger event table */
/* If one Event A delete or created, or if Event B is detected or not detected, STA should send 2040BSSCoexistence to AP. */
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# define MAX_TRIGGER_EVENT 64
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struct rt_trigger_event_tab {
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u8 EventANo ;
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struct rt_trigger_eventa EventA [ MAX_TRIGGER_EVENT ] ;
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unsigned long EventBCountDown ; /* Count down counter for Event B. */
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} ;
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/* 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 */
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struct PACKED rt_ext_cap_info_element {
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u8 BssCoexistMgmtSupport : 1 ;
u8 rsv : 1 ;
u8 ExtendChannelSwitch : 1 ;
u8 rsv2 : 5 ;
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} ;
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/* 802.11n 7.3.2.61 */
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struct PACKED rt_bss_2040_coexist_element {
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u8 ElementID ; /* ID = IE_2040_BSS_COEXIST = 72 */
u8 Len ;
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BSS_2040_COEXIST_IE BssCoexistIe ;
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} ;
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/*802.11n 7.3.2.59 */
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struct PACKED rt_bss_2040_intolerant_ch_report {
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u8 ElementID ; /* ID = IE_2040_BSS_INTOLERANT_REPORT = 73 */
u8 Len ;
u8 RegulatoryClass ;
u8 ChList [ 0 ] ;
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} ;
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/* The structure for channel switch annoucement IE. This is in 802.11n D3.03 */
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struct PACKED rt_cha_switch_announce_ie {
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u8 SwitchMode ; /*channel switch mode */
u8 NewChannel ; /* */
u8 SwitchCount ; /* */
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} ;
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/* The structure for channel switch annoucement IE. This is in 802.11n D3.03 */
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struct PACKED rt_sec_cha_offset_ie {
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u8 SecondaryChannelOffset ; /* 1: Secondary above, 3: Secondary below, 0: no Secondary */
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} ;
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/* This structure is extracted from struct struct rt_ht_capability */
struct rt_ht_phy_info {
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BOOLEAN bHtEnable ; /* If we should use ht rate. */
BOOLEAN bPreNHt ; /* If we should use ht rate. */
/*Substract from HT Capability IE */
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u8 MCSSet [ 16 ] ;
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} ;
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/*This structure substracts ralink supports from all 802.11n-related features. */
/*Features not listed here but contained in 802.11n spec are not supported in rt2860. */
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struct rt_ht_capability {
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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 benifit of 802.11n */
u16 AmsduSize : 1 ; /* Max receiving A-MSDU size */
u16 rsv : 5 ;
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/*Substract from Addiont HT INFO IE */
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u8 MaxRAmpduFactor : 2 ;
u8 MpduDensity : 3 ;
u8 ExtChanOffset : 2 ; /* Please not the difference with following u8 NewExtChannelOffset; from 802.11n */
u8 RecomWidth : 1 ;
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u16 OperaionMode : 2 ;
u16 NonGfPresent : 1 ;
u16 rsv3 : 1 ;
u16 OBSS_NonHTExist : 1 ;
u16 rsv2 : 11 ;
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/* New Extension Channel Offset IE */
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u8 NewExtChannelOffset ;
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/* Extension Capability IE = 127 */
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u8 BSSCoexist2040 ;
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} ;
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/* field in Addtional HT Information IE . */
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struct PACKED rt_add_htinfo {
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u8 ExtChanOffset : 2 ;
u8 RecomWidth : 1 ;
u8 RifsMode : 1 ;
u8 S_PSMPSup : 1 ; /*Indicate support for scheduled PSMP */
u8 SerInterGranu : 3 ; /*service interval granularity */
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} ;
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struct PACKED rt_add_htinfo2 {
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u16 OperaionMode : 2 ;
u16 NonGfPresent : 1 ;
u16 rsv : 1 ;
u16 OBSS_NonHTExist : 1 ;
u16 rsv2 : 11 ;
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} ;
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/* TODO: Need sync with spec about the definition of StbcMcs. In Draft 3.03, it's reserved. */
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struct PACKED rt_add_htinfo3 {
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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 ;
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} ;
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# define SIZE_ADD_HT_INFO_IE 22
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struct PACKED rt_add_ht_info_ie {
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u8 ControlChan ;
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struct rt_add_htinfo AddHtInfo ;
struct rt_add_htinfo2 AddHtInfo2 ;
struct rt_add_htinfo3 AddHtInfo3 ;
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u8 MCSSet [ 16 ] ; /* Basic MCS set */
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} ;
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struct PACKED rt_new_ext_chan_ie {
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u8 NewExtChanOffset ;
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} ;
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struct PACKED rt_frame_802_11 {
struct rt_header_802_11 Hdr ;
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u8 Octet [ 1 ] ;
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} ;
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/* QoSNull embedding of management action. When HT Control MA field set to 1. */
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struct PACKED rt_ma_body {
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u8 Category ;
u8 Action ;
u8 Octet [ 1 ] ;
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} ;
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struct PACKED rt_header_802_3 {
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u8 DAAddr1 [ MAC_ADDR_LEN ] ;
u8 SAAddr2 [ MAC_ADDR_LEN ] ;
u8 Octet [ 2 ] ;
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} ;
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/*//Block ACK related format */
/* 2-byte BA Parameter field in DELBA frames to terminate an already set up bA */
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struct PACKED rt_delba_parm {
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u16 Rsv : 11 ; /* always set to 0 */
u16 Initiator : 1 ; /* 1: originator 0:recipient */
u16 TID : 4 ; /* value of TC os TS */
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} ;
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/* 2-byte BA Parameter Set field in ADDBA frames to signal parm for setting up a BA */
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struct PACKED rt_ba_parm {
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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 buffe of size 2304 octetsr */
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} ;
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/* 2-byte BA Starting Seq CONTROL field */
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typedef union PACKED _BASEQ_CONTROL {
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struct PACKED {
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u16 FragNum : 4 ; /* always set to 0 */
u16 StartSeq : 12 ; /* sequence number of the 1st MSDU for which this BAR is sent */
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} field ;
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u16 word ;
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} BASEQ_CONTROL , * PBASEQ_CONTROL ;
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/*BAControl and BARControl are the same */
/* 2-byte BA CONTROL field in BA frame */
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struct PACKED rt_ba_control {
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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 ;
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} ;
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/* 2-byte BAR CONTROL field in BAR frame */
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struct PACKED rt_bar_control {
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u16 ACKPolicy : 1 ; /* 0:normal ack, 1:no ack. */
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u16 MTID : 1 ; /*if this bit1, use struct rt_frame_mtba_req, if 0, use struct rt_frame_ba_req */
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u16 Compressed : 1 ;
u16 Rsv1 : 9 ;
u16 TID : 4 ;
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} ;
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/* BARControl in MTBAR frame */
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struct PACKED rt_mtbar_control {
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u16 ACKPolicy : 1 ;
u16 MTID : 1 ;
u16 Compressed : 1 ;
u16 Rsv1 : 9 ;
u16 NumTID : 4 ;
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} ;
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struct PACKED rt_per_tid_info {
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u16 Rsv1 : 12 ;
u16 TID : 4 ;
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} ;
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struct rt_each_tid {
struct rt_per_tid_info PerTID ;
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BASEQ_CONTROL BAStartingSeq ;
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} ;
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/* BAREQ AND MTBAREQ have the same subtype BAR, 802.11n BAR use compressed bitmap. */
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struct PACKED rt_frame_ba_req {
struct rt_frame_control FC ;
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u16 Duration ;
u8 Addr1 [ MAC_ADDR_LEN ] ;
u8 Addr2 [ MAC_ADDR_LEN ] ;
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struct rt_bar_control BARControl ;
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BASEQ_CONTROL BAStartingSeq ;
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} ;
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struct PACKED rt_frame_mtba_req {
struct rt_frame_control FC ;
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u16 Duration ;
u8 Addr1 [ MAC_ADDR_LEN ] ;
u8 Addr2 [ MAC_ADDR_LEN ] ;
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struct rt_mtbar_control MTBARControl ;
struct rt_per_tid_info PerTIDInfo ;
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BASEQ_CONTROL BAStartingSeq ;
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} ;
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/* Compressed format is mandantory in HT STA */
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struct PACKED rt_frame_mtba {
struct rt_frame_control FC ;
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u16 Duration ;
u8 Addr1 [ MAC_ADDR_LEN ] ;
u8 Addr2 [ MAC_ADDR_LEN ] ;
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struct rt_ba_control BAControl ;
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BASEQ_CONTROL BAStartingSeq ;
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u8 BitMap [ 8 ] ;
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} ;
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struct PACKED rt_frame_psmp_action {
struct rt_header_802_11 Hdr ;
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u8 Category ;
u8 Action ;
u8 Psmp ; /* 7.3.1.25 */
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} ;
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struct PACKED rt_frame_action_hdr {
struct rt_header_802_11 Hdr ;
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u8 Category ;
u8 Action ;
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} ;
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/*Action Frame */
/*Action Frame Category:Spectrum, Action:Channel Switch. 7.3.2.20 */
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struct PACKED rt_chan_switch_announce {
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u8 ElementID ; /* ID = IE_CHANNEL_SWITCH_ANNOUNCEMENT = 37 */
u8 Len ;
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struct rt_cha_switch_announce_ie CSAnnounceIe ;
} ;
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/*802.11n : 7.3.2.20a */
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struct PACKED rt_second_chan_offset {
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u8 ElementID ; /* ID = IE_SECONDARY_CH_OFFSET = 62 */
u8 Len ;
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struct rt_sec_cha_offset_ie SecChOffsetIe ;
} ;
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struct PACKED rt_frame_spetrum_cs {
struct rt_header_802_11 Hdr ;
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u8 Category ;
u8 Action ;
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struct rt_chan_switch_announce CSAnnounce ;
struct rt_second_chan_offset SecondChannel ;
} ;
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struct PACKED rt_frame_addba_req {
struct rt_header_802_11 Hdr ;
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u8 Category ;
u8 Action ;
u8 Token ; /* 1 */
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struct rt_ba_parm BaParm ; /* 2 - 10 */
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u16 TimeOutValue ; /* 0 - 0 */
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BASEQ_CONTROL BaStartSeq ; /* 0-0 */
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} ;
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struct PACKED rt_frame_addba_rsp {
struct rt_header_802_11 Hdr ;
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u8 Category ;
u8 Action ;
u8 Token ;
u16 StatusCode ;
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struct rt_ba_parm BaParm ; /*0 - 2 */
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u16 TimeOutValue ;
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} ;
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struct PACKED rt_frame_delba_req {
struct rt_header_802_11 Hdr ;
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u8 Category ;
u8 Action ;
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struct rt_delba_parm DelbaParm ;
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u16 ReasonCode ;
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} ;
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/*7.2.1.7 */
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struct PACKED rt_frame_bar {
struct rt_frame_control FC ;
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u16 Duration ;
u8 Addr1 [ MAC_ADDR_LEN ] ;
u8 Addr2 [ MAC_ADDR_LEN ] ;
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struct rt_bar_control BarControl ;
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BASEQ_CONTROL StartingSeq ;
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} ;
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/*7.2.1.7 */
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struct PACKED rt_frame_ba {
struct rt_frame_control FC ;
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u16 Duration ;
u8 Addr1 [ MAC_ADDR_LEN ] ;
u8 Addr2 [ MAC_ADDR_LEN ] ;
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struct rt_bar_control BarControl ;
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BASEQ_CONTROL StartingSeq ;
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u8 bitmask [ 8 ] ;
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} ;
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/* Radio Measuement Request Frame Format */
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struct PACKED rt_frame_rm_req_action {
struct rt_header_802_11 Hdr ;
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u8 Category ;
u8 Action ;
u8 Token ;
u16 Repetition ;
u8 data [ 0 ] ;
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} ;
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struct PACKED rt_ht_ext_channel_switch_announcement_ie {
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u8 ID ;
u8 Length ;
u8 ChannelSwitchMode ;
u8 NewRegClass ;
u8 NewChannelNum ;
u8 ChannelSwitchCount ;
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} ;
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/* */
/* _Limit must be the 2**n - 1 */
/* _SEQ1 , _SEQ2 must be within 0 ~ _Limit */
/* */
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# 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 ) )
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/* */
/* Contention-free parameter (without ID and Length) */
/* */
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struct PACKED rt_cf_parm {
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BOOLEAN bValid ; /* 1: variable contains valid value */
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u8 CfpCount ;
u8 CfpPeriod ;
u16 CfpMaxDuration ;
u16 CfpDurRemaining ;
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} ;
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struct rt_cipher_suite {
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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 */
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u16 RsnCapability ; /* RSN capability from beacon */
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BOOLEAN bMixMode ; /* Indicate Pair & Group cipher might be different */
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} ;
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/* EDCA configuration from AP's BEACON/ProbeRsp */
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struct rt_edca_parm {
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BOOLEAN bValid ; /* 1: variable contains valid value */
BOOLEAN bAdd ; /* 1: variable contains valid value */
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BOOLEAN bQAck ;
BOOLEAN bQueueRequest ;
BOOLEAN bTxopRequest ;
BOOLEAN bAPSDCapable ;
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/* BOOLEAN bMoreDataAck; */
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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 */
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BOOLEAN bACM [ 4 ] ; /* 1: Admission Control of AC_BK is mandattory */
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} ;
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/* QBSS LOAD information from QAP's BEACON/ProbeRsp */
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struct rt_qbss_load_parm {
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BOOLEAN bValid ; /* 1: variable contains valid value */
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u16 StaNum ;
u8 ChannelUtilization ;
u16 RemainingAdmissionControl ; /* in unit of 32-us */
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} ;
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/* QBSS Info field in QSTA's assoc req */
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struct PACKED rt_qbss_sta_info_parm {
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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 ;
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} ;
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/* QBSS Info field in QAP's Beacon/ProbeRsp */
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struct PACKED rt_qbss_ap_info_parm {
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u8 ParamSetCount : 4 ;
u8 Rsv : 3 ;
u8 UAPSD : 1 ;
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} ;
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/* QOS Capability reported in QAP's BEACON/ProbeRsp */
/* QOS Capability sent out in QSTA's AssociateReq/ReAssociateReq */
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struct rt_qos_capability_parm {
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BOOLEAN bValid ; /* 1: variable contains valid value */
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BOOLEAN bQAck ;
BOOLEAN bQueueRequest ;
BOOLEAN bTxopRequest ;
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/* BOOLEAN bMoreDataAck; */
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u8 EdcaUpdateCount ;
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} ;
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struct rt_wpa_ie {
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u8 IELen ;
u8 IE [ MAX_CUSTOM_LEN ] ;
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} ;
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struct rt_bss_entry {
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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 ;
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struct rt_ht_capability_ie HtCapability ;
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u8 HtCapabilityLen ;
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struct rt_add_ht_info_ie AddHtInfo ; /* AP might use this additional ht info IE */
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u8 AddHtInfoLen ;
u8 NewExtChanOffset ;
char Rssi ;
u8 Privacy ; /* Indicate security function ON/OFF. Don't mess up with auth mode. */
u8 Hidden ;
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u16 DtimPeriod ;
u16 CapabilityInfo ;
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u16 CfpCount ;
u16 CfpPeriod ;
u16 CfpMaxDuration ;
u16 CfpDurRemaining ;
u8 SsidLen ;
char Ssid [ MAX_LEN_OF_SSID ] ;
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unsigned long LastBeaconRxTime ; /* OS's timestamp */
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BOOLEAN bSES ;
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/* New for WPA2 */
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struct rt_cipher_suite WPA ; /* AP announced WPA cipher suite */
struct rt_cipher_suite WPA2 ; /* AP announced WPA2 cipher suite */
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/* New for microsoft WPA support */
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struct rt_ndis_802_11_fixed_ies FixIEs ;
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NDIS_802_11_AUTHENTICATION_MODE AuthModeAux ; /* Addition mode for WPA2 / WPA capable AP */
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NDIS_802_11_AUTHENTICATION_MODE AuthMode ;
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NDIS_802_11_WEP_STATUS WepStatus ; /* Unicast Encryption Algorithm extract from VAR_IE */
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u16 VarIELen ; /* Length of next VIE include EID & Length */
u8 VarIEs [ MAX_VIE_LEN ] ;
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/* CCX Ckip information */
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u8 CkipFlag ;
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/* CCX 2 TSF */
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u8 PTSF [ 4 ] ; /* Parent TSF */
u8 TTSF [ 8 ] ; /* Target TSF */
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/* 802.11e d9, and WMM */
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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 {
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u8 BssNr ;
u8 BssOverlapNr ;
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struct rt_bss_entry BssEntry [ MAX_LEN_OF_BSS_TABLE ] ;
} ;
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struct rt_mlme_queue_elem {
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unsigned long Machine ;
unsigned long MsgType ;
unsigned long MsgLen ;
u8 Msg [ MGMT_DMA_BUFFER_SIZE ] ;
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LARGE_INTEGER TimeStamp ;
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u8 Rssi0 ;
u8 Rssi1 ;
u8 Rssi2 ;
u8 Signal ;
u8 Channel ;
u8 Wcid ;
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BOOLEAN Occupied ;
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} ;
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struct rt_mlme_queue {
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unsigned long Num ;
unsigned long Head ;
unsigned long Tail ;
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spinlock_t Lock ;
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struct rt_mlme_queue_elem Entry [ MAX_LEN_OF_MLME_QUEUE ] ;
} ;
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typedef void ( * STATE_MACHINE_FUNC ) ( void * Adaptor , struct rt_mlme_queue_elem * Elem ) ;
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struct rt_state_machine {
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unsigned long Base ;
unsigned long NrState ;
unsigned long NrMsg ;
unsigned long CurrState ;
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STATE_MACHINE_FUNC * TransFunc ;
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} ;
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/* MLME AUX data structure that hold 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. */
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struct rt_mlme_aux {
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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 ;
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/* Copy supported rate from desired AP's beacon. We are trying to match */
/* AP's supported and extended rate settings. */
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u8 SupRate [ MAX_LEN_OF_SUPPORTED_RATES ] ;
u8 ExtRate [ MAX_LEN_OF_SUPPORTED_RATES ] ;
u8 SupRateLen ;
u8 ExtRateLen ;
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struct rt_ht_capability_ie HtCapability ;
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u8 HtCapabilityLen ;
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struct rt_add_ht_info_ie AddHtInfo ; /* AP might use this additional ht info IE */
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u8 NewExtChannelOffset ;
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/*struct rt_ht_capability SupportedHtPhy; */
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/* new for QOS */
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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 */
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/* new to keep Ralink specific feature */
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unsigned long APRalinkIe ;
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struct rt_bss_table SsidBssTab ; /* AP list for the same SSID */
struct rt_bss_table RoamTab ; /* AP list eligible for roaming */
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unsigned long BssIdx ;
unsigned long RoamIdx ;
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BOOLEAN CurrReqIsFromNdis ;
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struct rt_ralink_timer BeaconTimer , ScanTimer ;
struct rt_ralink_timer AuthTimer ;
struct rt_ralink_timer AssocTimer , ReassocTimer , DisassocTimer ;
} ;
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struct rt_mlme_addba_req {
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u8 Wcid ; /* */
u8 pAddr [ MAC_ADDR_LEN ] ;
u8 BaBufSize ;
u16 TimeOutValue ;
u8 TID ;
u8 Token ;
u16 BaStartSeq ;
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} ;
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struct rt_mlme_delba_req {
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u8 Wcid ; /* */
u8 Addr [ MAC_ADDR_LEN ] ;
u8 TID ;
u8 Initiator ;
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} ;
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/* assoc struct is equal to reassoc */
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struct rt_mlme_assoc_req {
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u8 Addr [ MAC_ADDR_LEN ] ;
u16 CapabilityInfo ;
u16 ListenIntv ;
unsigned long Timeout ;
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} ;
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struct rt_mlme_disassoc_req {
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u8 Addr [ MAC_ADDR_LEN ] ;
u16 Reason ;
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} ;
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struct rt_mlme_auth_req {
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u8 Addr [ MAC_ADDR_LEN ] ;
u16 Alg ;
unsigned long Timeout ;
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} ;
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struct rt_mlme_deauth_req {
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u8 Addr [ MAC_ADDR_LEN ] ;
u16 Reason ;
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} ;
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struct rt_mlme_join_req {
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unsigned long BssIdx ;
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} ;
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struct rt_mlme_scan_req {
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u8 Bssid [ MAC_ADDR_LEN ] ;
u8 BssType ;
u8 ScanType ;
u8 SsidLen ;
char Ssid [ MAX_LEN_OF_SSID ] ;
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} ;
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struct rt_mlme_start_req {
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char Ssid [ MAX_LEN_OF_SSID ] ;
u8 SsidLen ;
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} ;
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struct PACKED rt_eid {
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u8 Eid ;
u8 Len ;
u8 Octet [ 1 ] ;
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} ;
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struct PACKED rt_rtmp_tx_rate_switch {
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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 ;
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} ;
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/* ========================== AP mlme.h =============================== */
# define TBTT_PRELOAD_TIME 384 /* usec. LomgPreamble + 24-byte at 1Mbps */
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# define DEFAULT_DTIM_PERIOD 1
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# define MAC_TABLE_AGEOUT_TIME 300 /* unit: sec */
# define MAC_TABLE_ASSOC_TIMEOUT 5 /* unit: sec */
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# define MAC_TABLE_FULL(Tab) ((Tab).size == MAX_LEN_OF_MAC_TABLE)
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/* AP shall drop the sta if contine Tx fail count reach it. */
# define MAC_ENTRY_LIFE_CHECK_CNT 20 /* packet cnt. */
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/* Value domain of pMacEntry->Sst */
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typedef enum _Sst {
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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 */
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} SST ;
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/* value domain of pMacEntry->AuthState */
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typedef enum _AuthState {
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AS_NOT_AUTH ,
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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 */
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} AUTH_STATE ;
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/*for-wpa value domain of pMacEntry->WpaState 802.1i D3 p.114 */
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typedef enum _ApWpaState {
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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 */
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} AP_WPA_STATE ;
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/* for-wpa value domain of pMacEntry->WpaState 802.1i D3 p.114 */
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typedef enum _GTKState {
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REKEY_NEGOTIATING ,
REKEY_ESTABLISHED ,
KEYERROR ,
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} GTK_STATE ;
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/* for-wpa value domain of pMacEntry->WpaState 802.1i D3 p.114 */
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typedef enum _WpaGTKState {
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SETKEYS ,
SETKEYS_DONE ,
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} WPA_GTK_STATE ;
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/* ====================== end of AP mlme.h ============================ */
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# endif /* MLME_H__ */