Aquaris-M10-4G/drivers/misc/mediatek/connectivity/wlan/gen3/nic/nic_rate.c

/*
**
*/

/*! \file   "nic_rate.c"
    \brief  This file contains the transmission rate handling routines.

    This file contains the transmission rate handling routines for setting up
    ACK/CTS Rate, Highest Tx Rate, Lowest Tx Rate, Initial Tx Rate and do
    conversion between Rate Set and Data Rates.
*/

/*
** Log: rate.c
**
** 07 12 2013 terry.wu
** [BORA00002207] [MT6630 Wi-Fi] TXM & MQM Implementation
** 1. Update VHT IE composing function
** 2. disable bow
** 3. Exchange bss/sta rec update sequence for temp solution
**
** 11 06 2012 eason.tsai
** [BORA00002255] [MT6630 Wi-Fi][Driver] develop
** .
**
** 09 17 2012 cm.chang
** [BORA00002149] [MT6630 Wi-Fi] Initial software development
** Duplicate source from MT6620 v2.3 driver branch
** (Davinci label: MT6620_WIFI_Driver_V2_3_120913_1942_As_MT6630_Base)
 *
 * 07 08 2010 cp.wu
 *
 * [WPD00003833] [MT6620 and MT5931] Driver migration - move to new repository.
 *
 * 06 08 2010 cp.wu
 * [WPD00003833][MT6620 and MT5931] Driver migration
 * add rate.c.
 *
 * 03 16 2010 kevin.huang
 * [BORA00000663][WIFISYS][New Feature] AdHoc Mode Support
 * Add AdHoc Mode
 *
 * 12 18 2009 cm.chang
 * [BORA00000018]Integrate WIFI part into BORA for the 1st time
 * .
 *
 * Nov 23 2009 mtk01461
 * [BORA00000018] Integrate WIFI part into BORA for the 1st time
 * Update comments
 *
 * Nov 16 2009 mtk01461
 * [BORA00000018] Integrate WIFI part into BORA for the 1st time
 * Fix DBGLOG
 *
 * Nov 5 2009 mtk01461
 * [BORA00000018] Integrate WIFI part into BORA for the 1st time
 *
**  \main\maintrunk.MT5921\12 2008-12-19 17:19:32 GMT mtk01461
**  Fix the problem that do not ASSERT the length of Supported Rate IE == 8
**  \main\maintrunk.MT5921\11 2008-12-01 18:17:42 GMT mtk01088
**  fixed the lint "possible using null pointer" warning
**  \main\maintrunk.MT5921\10 2008-08-20 00:16:36 GMT mtk01461
**  Update for Driver Review
**  \main\maintrunk.MT5921\9 2008-04-13 21:17:13 GMT mtk01461
**  Revise GEN Link Speed OID
**  \main\maintrunk.MT5921\8 2008-03-28 10:40:13 GMT mtk01461
**  Add rateGetRateSetFromDataRates() for set desired rate OID
**  \main\maintrunk.MT5921\7 2008-03-26 09:16:20 GMT mtk01461
**  Add adopt operational rate as ACK rate if BasicRateSet was not found
**  Add comments
**  \main\maintrunk.MT5921\6 2008-02-21 15:01:39 GMT mtk01461
**  Add initial rate according rx signal quality support
**  \main\maintrunk.MT5921\5 2008-01-07 15:06:44 GMT mtk01461
**  Fix typo of rate adaptation of CtrlResp Frame
**  \main\maintrunk.MT5921\4 2007-10-25 18:05:12 GMT mtk01461
**  Add VOIP SCAN Support  & Refine Roaming
*/

/*******************************************************************************
*                         C O M P I L E R   F L A G S
********************************************************************************
*/

/*******************************************************************************
*                    E X T E R N A L   R E F E R E N C E S
********************************************************************************
*/
#include "precomp.h"

/*******************************************************************************
*                              C O N S T A N T S
********************************************************************************
*/

const UINT_16 au2RateCCKLong[CCK_RATE_NUM] = {
	RATE_CCK_1M_LONG,	/* RATE_1M_INDEX = 0 */
	RATE_CCK_2M_LONG,	/* RATE_2M_INDEX */
	RATE_CCK_5_5M_LONG,	/* RATE_5_5M_INDEX */
	RATE_CCK_11M_LONG	/* RATE_11M_INDEX */
};

const UINT_16 au2RateCCKShort[CCK_RATE_NUM] = {
	RATE_CCK_1M_LONG,	/* RATE_1M_INDEX = 0 */
	RATE_CCK_2M_SHORT,	/* RATE_2M_INDEX */
	RATE_CCK_5_5M_SHORT,	/* RATE_5_5M_INDEX */
	RATE_CCK_11M_SHORT	/* RATE_11M_INDEX */
};

const UINT_16 au2RateOFDM[OFDM_RATE_NUM] = {
	RATE_OFDM_6M,		/* RATE_6M_INDEX */
	RATE_OFDM_9M,		/* RATE_9M_INDEX */
	RATE_OFDM_12M,		/* RATE_12M_INDEX */
	RATE_OFDM_18M,		/* RATE_18M_INDEX */
	RATE_OFDM_24M,		/* RATE_24M_INDEX */
	RATE_OFDM_36M,		/* RATE_36M_INDEX */
	RATE_OFDM_48M,		/* RATE_48M_INDEX */
	RATE_OFDM_54M		/* RATE_54M_INDEX */
};

const UINT_16 au2RateHTMixed[HT_RATE_NUM] = {
	RATE_MM_MCS_32,		/* RATE_MCS32_INDEX, */
	RATE_MM_MCS_0,		/* RATE_MCS0_INDEX, */
	RATE_MM_MCS_1,		/* RATE_MCS1_INDEX, */
	RATE_MM_MCS_2,		/* RATE_MCS2_INDEX, */
	RATE_MM_MCS_3,		/* RATE_MCS3_INDEX, */
	RATE_MM_MCS_4,		/* RATE_MCS4_INDEX, */
	RATE_MM_MCS_5,		/* RATE_MCS5_INDEX, */
	RATE_MM_MCS_6,		/* RATE_MCS6_INDEX, */
	RATE_MM_MCS_7		/* RATE_MCS7_INDEX, */
};

const UINT_16 au2RateHTGreenField[HT_RATE_NUM] = {
	RATE_GF_MCS_32,		/* RATE_MCS32_INDEX, */
	RATE_GF_MCS_0,		/* RATE_MCS0_INDEX, */
	RATE_GF_MCS_1,		/* RATE_MCS1_INDEX, */
	RATE_GF_MCS_2,		/* RATE_MCS2_INDEX, */
	RATE_GF_MCS_3,		/* RATE_MCS3_INDEX, */
	RATE_GF_MCS_4,		/* RATE_MCS4_INDEX, */
	RATE_GF_MCS_5,		/* RATE_MCS5_INDEX, */
	RATE_GF_MCS_6,		/* RATE_MCS6_INDEX, */
	RATE_GF_MCS_7,		/* RATE_MCS7_INDEX, */
};

const UINT_16 au2RateVHT[VHT_RATE_NUM] = {
	RATE_VHT_MCS_0,		/* RATE_MCS0_INDEX, */
	RATE_VHT_MCS_1,		/* RATE_MCS1_INDEX, */
	RATE_VHT_MCS_2,		/* RATE_MCS2_INDEX, */
	RATE_VHT_MCS_3,		/* RATE_MCS3_INDEX, */
	RATE_VHT_MCS_4,		/* RATE_MCS4_INDEX, */
	RATE_VHT_MCS_5,		/* RATE_MCS5_INDEX, */
	RATE_VHT_MCS_6,		/* RATE_MCS6_INDEX, */
	RATE_VHT_MCS_7,		/* RATE_MCS7_INDEX, */
	RATE_VHT_MCS_8,		/* RATE_MCS8_INDEX, */
	RATE_VHT_MCS_9		/* RATE_MCS9_INDEX, */
};

/*******************************************************************************
*                             D A T A   T Y P E S
********************************************************************************
*/

/*******************************************************************************
*                            P U B L I C   D A T A
********************************************************************************
*/

/*******************************************************************************
*                           P R I V A T E   D A T A
********************************************************************************
*/

/*******************************************************************************
*                                 M A C R O S
********************************************************************************
*/

/*******************************************************************************
*                   F U N C T I O N   D E C L A R A T I O N S
********************************************************************************
*/

/*******************************************************************************
*                              F U N C T I O N S
********************************************************************************
*/

WLAN_STATUS nicRateIndex2RateCode(IN UINT_8 ucPreambleOption, IN UINT_8 ucRateIndex, OUT PUINT_16 pu2RateCode)
{
	switch (ucPreambleOption) {
	case PREAMBLE_DEFAULT_LONG_NONE:
		if (ucRateIndex >= CCK_RATE_NUM)
			return WLAN_STATUS_INVALID_DATA;
		*pu2RateCode = au2RateCCKLong[ucRateIndex];
		break;

	case PREAMBLE_OPTION_SHORT:
		if (ucRateIndex >= CCK_RATE_NUM)
			return WLAN_STATUS_INVALID_DATA;
		*pu2RateCode = au2RateCCKShort[ucRateIndex];
		break;

	case PREAMBLE_OFDM_MODE:
		if (ucRateIndex >= OFDM_RATE_NUM)
			return WLAN_STATUS_INVALID_DATA;
		*pu2RateCode = au2RateOFDM[ucRateIndex];
		break;

	case PREAMBLE_HT_MIXED_MODE:
		if (ucRateIndex >= HT_RATE_NUM)
			return WLAN_STATUS_INVALID_DATA;
		*pu2RateCode = au2RateHTMixed[ucRateIndex];
		break;

	case PREAMBLE_HT_GREEN_FIELD:
		if (ucRateIndex >= HT_RATE_NUM)
			return WLAN_STATUS_INVALID_DATA;
		*pu2RateCode = au2RateHTGreenField[ucRateIndex];
		break;

	case PREAMBLE_VHT_FIELD:
		if (ucRateIndex >= VHT_RATE_NUM)
			return WLAN_STATUS_INVALID_DATA;
		*pu2RateCode = au2RateVHT[ucRateIndex];
		break;

	default:
		return WLAN_STATUS_INVALID_DATA;
	}

	return WLAN_STATUS_SUCCESS;
}