| /* |
| ************************************************************************* |
| * 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__ */ |