1 /*
2  * ==================================================================
3  * MTO.H
4  *
5  * Copyright (c) 2003 Winbond Electronics Corp. All rights reserved.
6  * ==================================================================
7  */
8 #ifndef __MTO_H__
9 #define __MTO_H__
10 
11 #include <linux/types.h>
12 
13 struct wbsoft_priv;
14 
15 #define MTO_PREAMBLE_LONG               WLAN_PREAMBLE_TYPE_LONG
16 #define MTO_PREAMBLE_SHORT              WLAN_PREAMBLE_TYPE_SHORT
17 
18 /* Defines the parameters used in the MAC Throughput Optimization algorithm */
19 struct wb35_mto_params {
20 	u32	TxFlowCount; /* to judge what kind the tx flow(sparse or busy) is */
21 
22 	/* --------- DTO threshold parameters ------------- */
23 	u16	DTO_PeriodicCheckCycle;
24 	u16	DTO_RssiThForAntDiv;
25 
26 	u16	DTO_TxCountThForCalcNewRate;
27 	u16	DTO_TxRateIncTh;
28 
29 	u16	DTO_TxRateDecTh;
30 	u16	DTO_TxRateEqTh;
31 
32 	u16	DTO_TxRateBackOff;
33 	u16	DTO_TxRetryRateReduce;
34 
35 	u16	DTO_TxPowerIndex;		/* 0 ~ 31 */
36 	u16	reserved_1;
37 	/* ------------------------------------------------ */
38 
39 	u8	PowerChangeEnable;
40 	u8	AntDiversityEnable;
41 	u8	CCA_Mode;
42 	u8	CCA_Mode_Setup;
43 	u8	Preamble_Type;
44 	u8	PreambleChangeEnable;
45 
46 	u8	DataRateLevel;
47 	u8	DataRateChangeEnable;
48 	u8	FragThresholdLevel;
49 	u8	FragThresholdChangeEnable;
50 
51 	u16	RTSThreshold;
52 	u16	RTSThreshold_Setup;
53 
54 	u32	AvgIdleSlot;
55 	u32	Pr_Interf;
56 	u32	AvgGapBtwnInterf;
57 
58 	u8	RTSChangeEnable;
59 	u8	Ant_sel;
60 	u8	aging_timeout;
61 	u8	reserved_2;
62 
63 	u32	Cnt_Ant[2];
64 	u32	SQ_Ant[2];
65 
66 	u8	FallbackRateLevel;
67 	u8	OfdmRateLevel;
68 
69 	u8	RatePolicy;
70 	u8	reserved_3[3];
71 
72 	/* For RSSI turning */
73 	s32	RSSI_high;
74 	s32	RSSI_low;
75 };
76 
77 
78 #define MTO_DATA()		(adapter->sMtoPara)
79 #define MTO_HAL()		(&adapter->sHwData)
80 #define MTO_SET_PREAMBLE_TYPE(x) /* Turbo mark LM_PREAMBLE_TYPE(&pcore_data->lm_data) = (x) */
81 #define MTO_ENABLE		(adapter->sLocalPara.TxRateMode == RATE_AUTO)
82 #define MTO_TXPOWER_FROM_EEPROM	(adapter->sHwData.PowerIndexFromEEPROM)
83 #define LOCAL_ANTENNA_NO()	(adapter->sLocalPara.bAntennaNo)
84 #define LOCAL_IS_CONNECTED()	(adapter->sLocalPara.wConnectedSTAindex != 0)
85 #define MTO_INITTXRATE_MODE	(adapter->sHwData.SoftwareSet&0x2) /* bit 1 */
86 
87 #define MTO_POWER_CHANGE_ENABLE()	MTO_DATA().PowerChangeEnable
88 #define MTO_CCA_MODE()			MTO_DATA().CCA_Mode
89 #define MTO_CCA_MODE_SETUP()		MTO_DATA().CCA_Mode_Setup
90 #define MTO_PREAMBLE_TYPE()		MTO_DATA().Preamble_Type
91 #define MTO_PREAMBLE_CHANGE_ENABLE()	MTO_DATA().PreambleChangeEnable
92 
93 #define MTO_RATE_LEVEL()		MTO_DATA().DataRateLevel
94 #define MTO_OFDM_RATE_LEVEL()		MTO_DATA().OfdmRateLevel
95 #define MTO_RATE_CHANGE_ENABLE()	MTO_DATA().DataRateChangeEnable
96 #define MTO_FRAG_TH_LEVEL()		MTO_DATA().FragThresholdLevel
97 #define MTO_FRAG_CHANGE_ENABLE()	MTO_DATA().FragThresholdChangeEnable
98 #define MTO_RTS_THRESHOLD()		MTO_DATA().RTSThreshold
99 #define MTO_RTS_CHANGE_ENABLE()		MTO_DATA().RTSChangeEnable
100 #define MTO_RTS_THRESHOLD_SETUP()	MTO_DATA().RTSThreshold_Setup
101 
102 #define MTO_AVG_IDLE_SLOT()		MTO_DATA().AvgIdleSlot
103 #define MTO_PR_INTERF()			MTO_DATA().Pr_Interf
104 #define MTO_AVG_GAP_BTWN_INTERF()	MTO_DATA().AvgGapBtwnInterf
105 
106 #define MTO_CNT_ANT(x)			MTO_DATA().Cnt_Ant[(x)]
107 #define MTO_SQ_ANT(x)			MTO_DATA().SQ_Ant[(x)]
108 #define MTO_AGING_TIMEOUT()		MTO_DATA().aging_timeout
109 
110 #define MTO_TXFLOWCOUNT()		MTO_DATA().TxFlowCount
111 
112 /* --------- DTO threshold parameters ------------- */
113 #define	MTOPARA_PERIODIC_CHECK_CYCLE()		MTO_DATA().DTO_PeriodicCheckCycle
114 #define	MTOPARA_RSSI_TH_FOR_ANTDIV()		MTO_DATA().DTO_RssiThForAntDiv
115 #define	MTOPARA_TXCOUNT_TH_FOR_CALC_RATE()	MTO_DATA().DTO_TxCountThForCalcNewRate
116 #define	MTOPARA_TXRATE_INC_TH()			MTO_DATA().DTO_TxRateIncTh
117 #define	MTOPARA_TXRATE_DEC_TH()			MTO_DATA().DTO_TxRateDecTh
118 #define MTOPARA_TXRATE_EQ_TH()			MTO_DATA().DTO_TxRateEqTh
119 #define	MTOPARA_TXRATE_BACKOFF()		MTO_DATA().DTO_TxRateBackOff
120 #define	MTOPARA_TXRETRYRATE_REDUCE()		MTO_DATA().DTO_TxRetryRateReduce
121 #define MTOPARA_TXPOWER_INDEX()			MTO_DATA().DTO_TxPowerIndex
122 /* ------------------------------------------------ */
123 
124 
125 extern u16 MTO_Frag_Th_Tbl[];
126 
127 #define MTO_DATA_RATE()			MTO_Data_Rate_Tbl[MTO_RATE_LEVEL()]
128 #define MTO_FRAG_TH()			MTO_Frag_Th_Tbl[MTO_FRAG_TH_LEVEL()]
129 
130 extern void MTO_Init(struct wbsoft_priv *);
131 extern void MTO_PeriodicTimerExpired(struct wbsoft_priv *);
132 extern void MTO_SetDTORateRange(struct wbsoft_priv *, u8 *, u8);
133 extern u8 MTO_GetTxRate(struct wbsoft_priv *adapter, u32 fpdu_len);
134 extern u8 MTO_GetTxFallbackRate(struct wbsoft_priv *adapter);
135 extern void MTO_SetTxCount(struct wbsoft_priv *adapter, u8 t0, u8 index);
136 
137 #endif /* __MTO_H__ */
138 
139