cregit-Linux how code gets into the kernel

Release 4.11 drivers/staging/vt6655/card.c

/*
 * Copyright (c) 1996, 2003 VIA Networking Technologies, Inc.
 * All rights reserved.
 *
 * 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.
 *
 * File: card.c
 * Purpose: Provide functions to setup NIC operation mode
 * Functions:
 *      s_vSafeResetTx - Rest Tx
 *      CARDvSetRSPINF - Set RSPINF
 *      CARDvUpdateBasicTopRate - Update BasicTopRate
 *      CARDbAddBasicRate - Add to BasicRateSet
 *      CARDbIsOFDMinBasicRate - Check if any OFDM rate is in BasicRateSet
 *      CARDvSetLoopbackMode - Set Loopback mode
 *      CARDbSoftwareReset - Sortware reset NIC
 *      CARDqGetTSFOffset - Calculate TSFOffset
 *      CARDbGetCurrentTSF - Read Current NIC TSF counter
 *      CARDqGetNextTBTT - Calculate Next Beacon TSF counter
 *      CARDvSetFirstNextTBTT - Set NIC Beacon time
 *      CARDvUpdateNextTBTT - Sync. NIC Beacon time
 *      CARDbRadioPowerOff - Turn Off NIC Radio Power
 *      CARDbRadioPowerOn - Turn On NIC Radio Power
 *
 * Revision History:
 *      06-10-2003 Bryan YC Fan:  Re-write codes to support VT3253 spec.
 *      08-26-2003 Kyle Hsu:      Modify the defination type of iobase.
 *      09-01-2003 Bryan YC Fan:  Add vUpdateIFS().
 *
 */

#include "tmacro.h"
#include "card.h"
#include "baseband.h"
#include "mac.h"
#include "desc.h"
#include "rf.h"
#include "power.h"

/*---------------------  Static Definitions -------------------------*/


#define C_SIFS_A        16      
/* micro sec. */

#define C_SIFS_BG       10


#define C_EIFS          80      
/* micro sec. */


#define C_SLOT_SHORT    9       
/* micro sec. */

#define C_SLOT_LONG     20


#define C_CWMIN_A       15      
/* slot time */

#define C_CWMIN_B       31


#define C_CWMAX         1023    
/* slot time */


#define WAIT_BEACON_TX_DOWN_TMO         3    
/* Times */

/*---------------------  Static Variables  --------------------------*/


static const unsigned short cwRXBCNTSFOff[MAX_RATE] = {
	17, 17, 17, 17, 34, 23, 17, 11, 8, 5, 4, 3};

/*---------------------  Static Functions  --------------------------*/

static
void
s_vCalculateOFDMRParameter(
	unsigned char byRate,
	u8 bb_type,
	unsigned char *pbyTxRate,
	unsigned char *pbyRsvTime
);

/*---------------------  Export Functions  --------------------------*/

/*
 * Description: Calculate TxRate and RsvTime fields for RSPINF in OFDM mode.
 *
 * Parameters:
 *  In:
 *      wRate           - Tx Rate
 *      byPktType       - Tx Packet type
 *  Out:
 *      pbyTxRate       - pointer to RSPINF TxRate field
 *      pbyRsvTime      - pointer to RSPINF RsvTime field
 *
 * Return Value: none
 */

static void s_vCalculateOFDMRParameter( unsigned char byRate, u8 bb_type, unsigned char *pbyTxRate, unsigned char *pbyRsvTime ) { switch (byRate) { case RATE_6M: if (bb_type == BB_TYPE_11A) { /* 5GHZ */ *pbyTxRate = 0x9B; *pbyRsvTime = 44; } else { *pbyTxRate = 0x8B; *pbyRsvTime = 50; } break; case RATE_9M: if (bb_type == BB_TYPE_11A) { /* 5GHZ */ *pbyTxRate = 0x9F; *pbyRsvTime = 36; } else { *pbyTxRate = 0x8F; *pbyRsvTime = 42; } break; case RATE_12M: if (bb_type == BB_TYPE_11A) { /* 5GHZ */ *pbyTxRate = 0x9A; *pbyRsvTime = 32; } else { *pbyTxRate = 0x8A; *pbyRsvTime = 38; } break; case RATE_18M: if (bb_type == BB_TYPE_11A) { /* 5GHZ */ *pbyTxRate = 0x9E; *pbyRsvTime = 28; } else { *pbyTxRate = 0x8E; *pbyRsvTime = 34; } break; case RATE_36M: if (bb_type == BB_TYPE_11A) { /* 5GHZ */ *pbyTxRate = 0x9D; *pbyRsvTime = 24; } else { *pbyTxRate = 0x8D; *pbyRsvTime = 30; } break; case RATE_48M: if (bb_type == BB_TYPE_11A) { /* 5GHZ */ *pbyTxRate = 0x98; *pbyRsvTime = 24; } else { *pbyTxRate = 0x88; *pbyRsvTime = 30; } break; case RATE_54M: if (bb_type == BB_TYPE_11A) { /* 5GHZ */ *pbyTxRate = 0x9C; *pbyRsvTime = 24; } else { *pbyTxRate = 0x8C; *pbyRsvTime = 30; } break; case RATE_24M: default: if (bb_type == BB_TYPE_11A) { /* 5GHZ */ *pbyTxRate = 0x99; *pbyRsvTime = 28; } else { *pbyTxRate = 0x89; *pbyRsvTime = 34; } break; } }

Contributors

PersonTokensPropCommitsCommitProp
Charles Clément25479.87%228.57%
Forest Bond3611.32%114.29%
Malcolm Priestley185.66%114.29%
Veronika Kabatova82.52%114.29%
Justin P. Mattock10.31%114.29%
Joe Perches10.31%114.29%
Total318100.00%7100.00%

/*--------------------- Export Functions --------------------------*/ /* * Description: Update IFS * * Parameters: * In: * priv - The adapter to be set * Out: * none * * Return Value: None. */
bool CARDbSetPhyParameter(struct vnt_private *priv, u8 bb_type) { unsigned char byCWMaxMin = 0; unsigned char bySlot = 0; unsigned char bySIFS = 0; unsigned char byDIFS = 0; unsigned char byData; int i; /* Set SIFS, DIFS, EIFS, SlotTime, CwMin */ if (bb_type == BB_TYPE_11A) { if (priv->byRFType == RF_AIROHA7230) { /* AL7230 use single PAPE and connect to PAPE_2.4G */ MACvSetBBType(priv->PortOffset, BB_TYPE_11G); priv->abyBBVGA[0] = 0x20; priv->abyBBVGA[2] = 0x10; priv->abyBBVGA[3] = 0x10; BBbReadEmbedded(priv, 0xE7, &byData); if (byData == 0x1C) BBbWriteEmbedded(priv, 0xE7, priv->abyBBVGA[0]); } else if (priv->byRFType == RF_UW2452) { MACvSetBBType(priv->PortOffset, BB_TYPE_11A); priv->abyBBVGA[0] = 0x18; BBbReadEmbedded(priv, 0xE7, &byData); if (byData == 0x14) { BBbWriteEmbedded(priv, 0xE7, priv->abyBBVGA[0]); BBbWriteEmbedded(priv, 0xE1, 0x57); } } else { MACvSetBBType(priv->PortOffset, BB_TYPE_11A); } BBbWriteEmbedded(priv, 0x88, 0x03); bySlot = C_SLOT_SHORT; bySIFS = C_SIFS_A; byDIFS = C_SIFS_A + 2 * C_SLOT_SHORT; byCWMaxMin = 0xA4; } else if (bb_type == BB_TYPE_11B) { MACvSetBBType(priv->PortOffset, BB_TYPE_11B); if (priv->byRFType == RF_AIROHA7230) { priv->abyBBVGA[0] = 0x1C; priv->abyBBVGA[2] = 0x00; priv->abyBBVGA[3] = 0x00; BBbReadEmbedded(priv, 0xE7, &byData); if (byData == 0x20) BBbWriteEmbedded(priv, 0xE7, priv->abyBBVGA[0]); } else if (priv->byRFType == RF_UW2452) { priv->abyBBVGA[0] = 0x14; BBbReadEmbedded(priv, 0xE7, &byData); if (byData == 0x18) { BBbWriteEmbedded(priv, 0xE7, priv->abyBBVGA[0]); BBbWriteEmbedded(priv, 0xE1, 0xD3); } } BBbWriteEmbedded(priv, 0x88, 0x02); bySlot = C_SLOT_LONG; bySIFS = C_SIFS_BG; byDIFS = C_SIFS_BG + 2 * C_SLOT_LONG; byCWMaxMin = 0xA5; } else { /* PK_TYPE_11GA & PK_TYPE_11GB */ MACvSetBBType(priv->PortOffset, BB_TYPE_11G); if (priv->byRFType == RF_AIROHA7230) { priv->abyBBVGA[0] = 0x1C; priv->abyBBVGA[2] = 0x00; priv->abyBBVGA[3] = 0x00; BBbReadEmbedded(priv, 0xE7, &byData); if (byData == 0x20) BBbWriteEmbedded(priv, 0xE7, priv->abyBBVGA[0]); } else if (priv->byRFType == RF_UW2452) { priv->abyBBVGA[0] = 0x14; BBbReadEmbedded(priv, 0xE7, &byData); if (byData == 0x18) { BBbWriteEmbedded(priv, 0xE7, priv->abyBBVGA[0]); BBbWriteEmbedded(priv, 0xE1, 0xD3); } } BBbWriteEmbedded(priv, 0x88, 0x08); bySIFS = C_SIFS_BG; if (priv->bShortSlotTime) { bySlot = C_SLOT_SHORT; byDIFS = C_SIFS_BG + 2 * C_SLOT_SHORT; } else { bySlot = C_SLOT_LONG; byDIFS = C_SIFS_BG + 2 * C_SLOT_LONG; } byCWMaxMin = 0xa4; for (i = RATE_54M; i >= RATE_6M; i--) { if (priv->basic_rates & ((u32)(0x1 << i))) { byCWMaxMin |= 0x1; break; } } } if (priv->byRFType == RF_RFMD2959) { /* * bcs TX_PE will reserve 3 us hardware's processing * time here is 2 us. */ bySIFS -= 3; byDIFS -= 3; /* * TX_PE will reserve 3 us for MAX2829 A mode only, it is for * better TX throughput; MAC will need 2 us to process, so the * SIFS, DIFS can be shorter by 2 us. */ } if (priv->bySIFS != bySIFS) { priv->bySIFS = bySIFS; VNSvOutPortB(priv->PortOffset + MAC_REG_SIFS, priv->bySIFS); } if (priv->byDIFS != byDIFS) { priv->byDIFS = byDIFS; VNSvOutPortB(priv->PortOffset + MAC_REG_DIFS, priv->byDIFS); } if (priv->byEIFS != C_EIFS) { priv->byEIFS = C_EIFS; VNSvOutPortB(priv->PortOffset + MAC_REG_EIFS, priv->byEIFS); } if (priv->bySlot != bySlot) { priv->bySlot = bySlot; VNSvOutPortB(priv->PortOffset + MAC_REG_SLOT, priv->bySlot); BBvSetShortSlotTime(priv); } if (priv->byCWMaxMin != byCWMaxMin) { priv->byCWMaxMin = byCWMaxMin; VNSvOutPortB(priv->PortOffset + MAC_REG_CWMAXMIN0, priv->byCWMaxMin); } priv->byPacketType = CARDbyGetPktType(priv); CARDvSetRSPINF(priv, bb_type); return true; }

Contributors

PersonTokensPropCommitsCommitProp
Charles Clément47056.15%533.33%
Forest Bond21926.16%16.67%
Malcolm Priestley12414.81%640.00%
Justin P. Mattock182.15%16.67%
Veronika Kabatova50.60%16.67%
Jim Lieb10.12%16.67%
Total837100.00%15100.00%

/* * Description: Sync. TSF counter to BSS * Get TSF offset and write to HW * * Parameters: * In: * priv - The adapter to be sync. * byRxRate - data rate of receive beacon * qwBSSTimestamp - Rx BCN's TSF * qwLocalTSF - Local TSF * Out: * none * * Return Value: none */
bool CARDbUpdateTSF(struct vnt_private *priv, unsigned char byRxRate, u64 qwBSSTimestamp) { u64 local_tsf; u64 qwTSFOffset = 0; CARDbGetCurrentTSF(priv, &local_tsf); if (qwBSSTimestamp != local_tsf) { qwTSFOffset = CARDqGetTSFOffset(byRxRate, qwBSSTimestamp, local_tsf); /* adjust TSF, HW's TSF add TSF Offset reg */ VNSvOutPortD(priv->PortOffset + MAC_REG_TSFOFST, (u32)qwTSFOffset); VNSvOutPortD(priv->PortOffset + MAC_REG_TSFOFST + 4, (u32)(qwTSFOffset >> 32)); MACvRegBitsOn(priv->PortOffset, MAC_REG_TFTCTL, TFTCTL_TSFSYNCEN); } return true; }

Contributors

PersonTokensPropCommitsCommitProp
Charles Clément4342.57%545.45%
Malcolm Priestley3130.69%436.36%
Forest Bond2625.74%19.09%
Veronika Kabatova10.99%19.09%
Total101100.00%11100.00%

/* * Description: Set NIC TSF counter for first Beacon time * Get NEXTTBTT from adjusted TSF and Beacon Interval * * Parameters: * In: * priv - The adapter to be set. * wBeaconInterval - Beacon Interval * Out: * none * * Return Value: true if succeed; otherwise false */
bool CARDbSetBeaconPeriod(struct vnt_private *priv, unsigned short wBeaconInterval) { u64 qwNextTBTT = 0; CARDbGetCurrentTSF(priv, &qwNextTBTT); /* Get Local TSF counter */ qwNextTBTT = CARDqGetNextTBTT(qwNextTBTT, wBeaconInterval); /* set HW beacon interval */ VNSvOutPortW(priv->PortOffset + MAC_REG_BI, wBeaconInterval); priv->wBeaconInterval = wBeaconInterval; /* Set NextTBTT */ VNSvOutPortD(priv->PortOffset + MAC_REG_NEXTTBTT, (u32)qwNextTBTT); VNSvOutPortD(priv->PortOffset + MAC_REG_NEXTTBTT + 4, (u32)(qwNextTBTT >> 32)); MACvRegBitsOn(priv->PortOffset, MAC_REG_TFTCTL, TFTCTL_TBTTSYNCEN); return true; }

Contributors

PersonTokensPropCommitsCommitProp
Charles Clément6057.69%440.00%
Malcolm Priestley2423.08%440.00%
Forest Bond1716.35%110.00%
Veronika Kabatova32.88%110.00%
Total104100.00%10100.00%

/* * Description: Turn off Radio power * * Parameters: * In: * priv - The adapter to be turned off * Out: * none * * Return Value: true if success; otherwise false */
bool CARDbRadioPowerOff(struct vnt_private *priv) { bool bResult = true; if (priv->bRadioOff) return true; switch (priv->byRFType) { case RF_RFMD2959: MACvWordRegBitsOff(priv->PortOffset, MAC_REG_SOFTPWRCTL, SOFTPWRCTL_TXPEINV); MACvWordRegBitsOn(priv->PortOffset, MAC_REG_SOFTPWRCTL, SOFTPWRCTL_SWPE1); break; case RF_AIROHA: case RF_AL2230S: case RF_AIROHA7230: MACvWordRegBitsOff(priv->PortOffset, MAC_REG_SOFTPWRCTL, SOFTPWRCTL_SWPE2); MACvWordRegBitsOff(priv->PortOffset, MAC_REG_SOFTPWRCTL, SOFTPWRCTL_SWPE3); break; } MACvRegBitsOff(priv->PortOffset, MAC_REG_HOSTCR, HOSTCR_RXON); BBvSetDeepSleep(priv, priv->byLocalID); priv->bRadioOff = true; pr_debug("chester power off\n"); MACvRegBitsOn(priv->PortOffset, MAC_REG_GPIOCTL0, LED_ACTSET); /* LED issue */ return bResult; }

Contributors

PersonTokensPropCommitsCommitProp
Malcolm Priestley11181.62%342.86%
Charles Clément1511.03%342.86%
Forest Bond107.35%114.29%
Total136100.00%7100.00%

/* * Description: Turn on Radio power * * Parameters: * In: * priv - The adapter to be turned on * Out: * none * * Return Value: true if success; otherwise false */
bool CARDbRadioPowerOn(struct vnt_private *priv) { bool bResult = true; pr_debug("chester power on\n"); if (priv->bRadioControlOff) { if (priv->bHWRadioOff) pr_debug("chester bHWRadioOff\n"); if (priv->bRadioControlOff) pr_debug("chester bRadioControlOff\n"); return false; } if (!priv->bRadioOff) { pr_debug("chester pbRadioOff\n"); return true; } BBvExitDeepSleep(priv, priv->byLocalID); MACvRegBitsOn(priv->PortOffset, MAC_REG_HOSTCR, HOSTCR_RXON); switch (priv->byRFType) { case RF_RFMD2959: MACvWordRegBitsOn(priv->PortOffset, MAC_REG_SOFTPWRCTL, SOFTPWRCTL_TXPEINV); MACvWordRegBitsOff(priv->PortOffset, MAC_REG_SOFTPWRCTL, SOFTPWRCTL_SWPE1); break; case RF_AIROHA: case RF_AL2230S: case RF_AIROHA7230: MACvWordRegBitsOn(priv->PortOffset, MAC_REG_SOFTPWRCTL, (SOFTPWRCTL_SWPE2 | SOFTPWRCTL_SWPE3)); break; } priv->bRadioOff = false; pr_debug("chester power on\n"); MACvRegBitsOff(priv->PortOffset, MAC_REG_GPIOCTL0, LED_ACTSET); /* LED issue */ return bResult; }

Contributors

PersonTokensPropCommitsCommitProp
Malcolm Priestley9051.43%225.00%
Charles Clément4324.57%337.50%
Forest Bond4022.86%112.50%
Luis de Bethencourt10.57%112.50%
Joe Perches10.57%112.50%
Total175100.00%8100.00%


void CARDvSafeResetTx( struct vnt_private *priv ) { unsigned int uu; struct vnt_tx_desc *pCurrTD; /* initialize TD index */ priv->apTailTD[0] = &(priv->apTD0Rings[0]); priv->apCurrTD[0] = &(priv->apTD0Rings[0]); priv->apTailTD[1] = &(priv->apTD1Rings[0]); priv->apCurrTD[1] = &(priv->apTD1Rings[0]); for (uu = 0; uu < TYPE_MAXTD; uu++) priv->iTDUsed[uu] = 0; for (uu = 0; uu < priv->opts.tx_descs[0]; uu++) { pCurrTD = &(priv->apTD0Rings[uu]); pCurrTD->td0.owner = OWNED_BY_HOST; /* init all Tx Packet pointer to NULL */ } for (uu = 0; uu < priv->opts.tx_descs[1]; uu++) { pCurrTD = &(priv->apTD1Rings[uu]); pCurrTD->td0.owner = OWNED_BY_HOST; /* init all Tx Packet pointer to NULL */ } /* set MAC TD pointer */ MACvSetCurrTXDescAddr(TYPE_TXDMA0, priv, priv->td0_pool_dma); MACvSetCurrTXDescAddr(TYPE_AC0DMA, priv, priv->td1_pool_dma); /* set MAC Beacon TX pointer */ MACvSetCurrBCNTxDescAddr(priv->PortOffset, (priv->tx_beacon_dma)); }

Contributors

PersonTokensPropCommitsCommitProp
Forest Bond17374.25%18.33%
Malcolm Priestley3113.30%650.00%
Nick Rosbrook208.58%18.33%
Veronika Kabatova52.15%18.33%
Charles Clément41.72%325.00%
Total233100.00%12100.00%

/* * Description: * Reset Rx * * Parameters: * In: * priv - Pointer to the adapter * Out: * none * * Return Value: none */
void CARDvSafeResetRx( struct vnt_private *priv ) { unsigned int uu; struct vnt_rx_desc *pDesc; /* initialize RD index */ priv->pCurrRD[0] = &(priv->aRD0Ring[0]); priv->pCurrRD[1] = &(priv->aRD1Ring[0]); /* init state, all RD is chip's */ for (uu = 0; uu < priv->opts.rx_descs0; uu++) { pDesc = &(priv->aRD0Ring[uu]); pDesc->rd0.res_count = cpu_to_le16(priv->rx_buf_sz); pDesc->rd0.owner = OWNED_BY_NIC; pDesc->rd1.req_count = cpu_to_le16(priv->rx_buf_sz); } /* init state, all RD is chip's */ for (uu = 0; uu < priv->opts.rx_descs1; uu++) { pDesc = &(priv->aRD1Ring[uu]); pDesc->rd0.res_count = cpu_to_le16(priv->rx_buf_sz); pDesc->rd0.owner = OWNED_BY_NIC; pDesc->rd1.req_count = cpu_to_le16(priv->rx_buf_sz); } /* set perPkt mode */ MACvRx0PerPktMode(priv->PortOffset); MACvRx1PerPktMode(priv->PortOffset); /* set MAC RD pointer */ MACvSetCurrRx0DescAddr(priv, priv->rd0_pool_dma); MACvSetCurrRx1DescAddr(priv, priv->rd1_pool_dma); }

Contributors

PersonTokensPropCommitsCommitProp
Forest Bond16775.91%17.69%
Malcolm Priestley4420.00%861.54%
Veronika Kabatova52.27%17.69%
Charles Clément41.82%323.08%
Total220100.00%13100.00%

/* * Description: Get response Control frame rate in CCK mode * * Parameters: * In: * priv - The adapter to be set * wRateIdx - Receiving data rate * Out: * none * * Return Value: response Control frame rate */
static unsigned short CARDwGetCCKControlRate(struct vnt_private *priv, unsigned short wRateIdx) { unsigned int ui = (unsigned int)wRateIdx; while (ui > RATE_1M) { if (priv->basic_rates & ((u32)0x1 << ui)) return (unsigned short)ui; ui--; } return (unsigned short)RATE_1M; }

Contributors

PersonTokensPropCommitsCommitProp
Forest Bond4568.18%112.50%
Charles Clément1319.70%337.50%
Malcolm Priestley710.61%337.50%
Guillaume Clement11.52%112.50%
Total66100.00%8100.00%

/* * Description: Get response Control frame rate in OFDM mode * * Parameters: * In: * priv - The adapter to be set * wRateIdx - Receiving data rate * Out: * none * * Return Value: response Control frame rate */
static unsigned short CARDwGetOFDMControlRate(struct vnt_private *priv, unsigned short wRateIdx) { unsigned int ui = (unsigned int)wRateIdx; pr_debug("BASIC RATE: %X\n", priv->basic_rates); if (!CARDbIsOFDMinBasicRate((void *)priv)) { pr_debug("CARDwGetOFDMControlRate:(NO OFDM) %d\n", wRateIdx); if (wRateIdx > RATE_24M) wRateIdx = RATE_24M; return wRateIdx; } while (ui > RATE_11M) { if (priv->basic_rates & ((u32)0x1 << ui)) { pr_debug("CARDwGetOFDMControlRate : %d\n", ui); return (unsigned short)ui; } ui--; } pr_debug("CARDwGetOFDMControlRate: 6M\n"); return (unsigned short)RATE_24M; }

Contributors

PersonTokensPropCommitsCommitProp
Forest Bond9375.61%111.11%
Charles Clément1512.20%333.33%
Malcolm Priestley108.13%333.33%
Joe Perches43.25%111.11%
Guillaume Clement10.81%111.11%
Total123100.00%9100.00%

/* * Description: Set RSPINF * * Parameters: * In: * priv - The adapter to be set * Out: * none * * Return Value: None. */
void CARDvSetRSPINF(struct vnt_private *priv, u8 bb_type) { union vnt_phy_field_swap phy; unsigned char byTxRate, byRsvTime; /* For OFDM */ unsigned long flags; spin_lock_irqsave(&priv->lock, flags); /* Set to Page1 */ MACvSelectPage1(priv->PortOffset); /* RSPINF_b_1 */ vnt_get_phy_field(priv, 14, CARDwGetCCKControlRate(priv, RATE_1M), PK_TYPE_11B, &phy.field_read); /* swap over to get correct write order */ swap(phy.swap[0], phy.swap[1]); VNSvOutPortD(priv->PortOffset + MAC_REG_RSPINF_B_1, phy.field_write); /* RSPINF_b_2 */ vnt_get_phy_field(priv, 14, CARDwGetCCKControlRate(priv, RATE_2M), PK_TYPE_11B, &phy.field_read); swap(phy.swap[0], phy.swap[1]); VNSvOutPortD(priv->PortOffset + MAC_REG_RSPINF_B_2, phy.field_write); /* RSPINF_b_5 */ vnt_get_phy_field(priv, 14, CARDwGetCCKControlRate(priv, RATE_5M), PK_TYPE_11B, &phy.field_read); swap(phy.swap[0], phy.swap[1]); VNSvOutPortD(priv->PortOffset + MAC_REG_RSPINF_B_5, phy.field_write); /* RSPINF_b_11 */ vnt_get_phy_field(priv, 14, CARDwGetCCKControlRate(priv, RATE_11M), PK_TYPE_11B, &phy.field_read); swap(phy.swap[0], phy.swap[1]); VNSvOutPortD(priv->PortOffset + MAC_REG_RSPINF_B_11, phy.field_write); /* RSPINF_a_6 */ s_vCalculateOFDMRParameter(RATE_6M, bb_type, &byTxRate, &byRsvTime); VNSvOutPortW(priv->PortOffset + MAC_REG_RSPINF_A_6, MAKEWORD(byTxRate, byRsvTime)); /* RSPINF_a_9 */ s_vCalculateOFDMRParameter(RATE_9M, bb_type, &byTxRate, &byRsvTime); VNSvOutPortW(priv->PortOffset + MAC_REG_RSPINF_A_9, MAKEWORD(byTxRate, byRsvTime)); /* RSPINF_a_12 */ s_vCalculateOFDMRParameter(RATE_12M, bb_type, &byTxRate, &byRsvTime); VNSvOutPortW(priv->PortOffset + MAC_REG_RSPINF_A_12, MAKEWORD(byTxRate, byRsvTime)); /* RSPINF_a_18 */ s_vCalculateOFDMRParameter(RATE_18M, bb_type, &byTxRate, &byRsvTime); VNSvOutPortW(priv->PortOffset + MAC_REG_RSPINF_A_18, MAKEWORD(byTxRate, byRsvTime)); /* RSPINF_a_24 */ s_vCalculateOFDMRParameter(RATE_24M, bb_type, &byTxRate, &byRsvTime); VNSvOutPortW(priv->PortOffset + MAC_REG_RSPINF_A_24, MAKEWORD(byTxRate, byRsvTime)); /* RSPINF_a_36 */ s_vCalculateOFDMRParameter(CARDwGetOFDMControlRate( (void *)priv, RATE_36M), bb_type, &byTxRate, &byRsvTime); VNSvOutPortW(priv->PortOffset + MAC_REG_RSPINF_A_36, MAKEWORD(byTxRate, byRsvTime)); /* RSPINF_a_48 */ s_vCalculateOFDMRParameter(CARDwGetOFDMControlRate( (void *)priv, RATE_48M), bb_type, &byTxRate, &byRsvTime); VNSvOutPortW(priv->PortOffset + MAC_REG_RSPINF_A_48, MAKEWORD(byTxRate, byRsvTime)); /* RSPINF_a_54 */ s_vCalculateOFDMRParameter(CARDwGetOFDMControlRate( (void *)priv, RATE_54M), bb_type, &byTxRate, &byRsvTime); VNSvOutPortW(priv->PortOffset + MAC_REG_RSPINF_A_54, MAKEWORD(byTxRate, byRsvTime)); /* RSPINF_a_72 */ s_vCalculateOFDMRParameter(CARDwGetOFDMControlRate( (void *)priv, RATE_54M), bb_type, &byTxRate, &byRsvTime); VNSvOutPortW(priv->PortOffset + MAC_REG_RSPINF_A_72, MAKEWORD(byTxRate, byRsvTime)); /* Set to Page0 */ MACvSelectPage0(priv->PortOffset); spin_unlock_irqrestore(&priv->lock, flags); }

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PersonTokensPropCommitsCommitProp
Forest Bond38265.98%110.00%
Malcolm Priestley16528.50%550.00%
Veronika Kabatova122.07%110.00%
Charles Clément111.90%220.00%
Justin P. Mattock91.55%110.00%
Total579100.00%10100.00%


void CARDvUpdateBasicTopRate(struct vnt_private *priv) { unsigned char byTopOFDM = RATE_24M, byTopCCK = RATE_1M; unsigned char ii; /* Determines the highest basic rate. */ for (ii = RATE_54M; ii >= RATE_6M; ii--) { if ((priv->basic_rates) & ((u32)(1 << ii))) { byTopOFDM = ii; break; } } priv->byTopOFDMBasicRate = byTopOFDM; for (ii = RATE_11M;; ii--) { if ((priv->basic_rates) & ((u32)(1 << ii))) { byTopCCK = ii; break; } if (ii == RATE_1M) break; } priv->byTopCCKBasicRate = byTopCCK; }

Contributors

PersonTokensPropCommitsCommitProp
Forest Bond10282.93%112.50%
Malcolm Priestley118.94%337.50%
Charles Clément54.07%225.00%
Dan Carpenter43.25%112.50%
Veronika Kabatova10.81%112.50%
Total123100.00%8100.00%


bool CARDbIsOFDMinBasicRate(struct vnt_private *priv) { int ii; for (ii = RATE_54M; ii >= RATE_6M; ii--) { if ((priv->basic_rates) & ((u32)BIT(ii))) return true; } return false; }

Contributors

PersonTokensPropCommitsCommitProp
Forest Bond3975.00%111.11%
Malcolm Priestley611.54%333.33%
Charles Clément47.69%444.44%
Amitoj Kaur Chawla35.77%111.11%
Total52100.00%9100.00%


unsigned char CARDbyGetPktType(struct vnt_private *priv) { if (priv->byBBType == BB_TYPE_11A || priv->byBBType == BB_TYPE_11B) return (unsigned char)priv->byBBType; else if (CARDbIsOFDMinBasicRate((void *)priv)) return PK_TYPE_11GA; else return PK_TYPE_11GB; }

Contributors

PersonTokensPropCommitsCommitProp
Forest Bond3973.58%120.00%
Malcolm Priestley713.21%240.00%
Charles Clément713.21%240.00%
Total53100.00%5100.00%

/* * Description: Set NIC Loopback mode * * Parameters: * In: * priv - The adapter to be set * wLoopbackMode - Loopback mode to be set * Out: * none * * Return Value: none */
void CARDvSetLoopbackMode(struct vnt_private *priv, unsigned short wLoopbackMode) { switch (wLoopbackMode) { case CARD_LB_NONE: case CARD_LB_MAC: case CARD_LB_PHY: break; default: break; } /* set MAC loopback */ MACvSetLoopbackMode(priv, LOBYTE(wLoopbackMode)); /* set Baseband loopback */ }

Contributors

PersonTokensPropCommitsCommitProp
Forest Bond3579.55%116.67%
Malcolm Priestley49.09%233.33%
Charles Clément24.55%116.67%
Veronika Kabatova24.55%116.67%
Guillaume Clement12.27%116.67%
Total44100.00%6100.00%

/* * Description: Software Reset NIC * * Parameters: * In: * priv - The adapter to be reset * Out: * none * * Return Value: none */
bool CARDbSoftwareReset(struct vnt_private *priv) { /* reset MAC */ if (!MACbSafeSoftwareReset(priv)) return false; return true; }

Contributors

PersonTokensPropCommitsCommitProp
Forest Bond1664.00%112.50%
Malcolm Priestley416.00%225.00%
Charles Clément416.00%450.00%
Veronika Kabatova14.00%112.50%
Total25100.00%8100.00%

/* * Description: Calculate TSF offset of two TSF input * Get TSF Offset from RxBCN's TSF and local TSF * * Parameters: * In: * priv - The adapter to be sync. * qwTSF1 - Rx BCN's TSF * qwTSF2 - Local TSF * Out: * none * * Return Value: TSF Offset value */
u64 CARDqGetTSFOffset(unsigned char byRxRate, u64 qwTSF1, u64 qwTSF2) { u64 qwTSFOffset = 0; unsigned short wRxBcnTSFOffst; wRxBcnTSFOffst = cwRXBCNTSFOff[byRxRate%MAX_RATE]; qwTSF2 += (u64)wRxBcnTSFOffst; qwTSFOffset = qwTSF1 - qwTSF2; return qwTSFOffset; }

Contributors

PersonTokensPropCommitsCommitProp
Forest Bond3877.55%125.00%
Malcolm Priestley714.29%125.00%
Charles Clément48.16%250.00%
Total49100.00%4100.00%

/* * Description: Read NIC TSF counter * Get local TSF counter * * Parameters: * In: * priv - The adapter to be read * Out: * qwCurrTSF - Current TSF counter * * Return Value: true if success; otherwise false */
bool CARDbGetCurrentTSF(struct vnt_private *priv, u64 *pqwCurrTSF) { void __iomem *iobase = priv->PortOffset; unsigned short ww; unsigned char byData; MACvRegBitsOn(iobase, MAC_REG_TFTCTL, TFTCTL_TSFCNTRRD); for (ww = 0; ww < W_MAX_TIMEOUT; ww++) { VNSvInPortB(iobase + MAC_REG_TFTCTL, &byData); if (!(byData & TFTCTL_TSFCNTRRD)) break; } if (ww == W_MAX_TIMEOUT) return false; VNSvInPortD(iobase + MAC_REG_TSFCNTR, (u32 *)pqwCurrTSF); VNSvInPortD(iobase + MAC_REG_TSFCNTR + 4, (u32 *)pqwCurrTSF + 1); return true; }

Contributors

PersonTokensPropCommitsCommitProp
Forest Bond7967.52%19.09%
Malcolm Priestley2117.95%218.18%
Charles Clément75.98%545.45%
Varsha Rao54.27%19.09%
Jim Lieb43.42%19.09%
Guillaume Clement10.85%19.09%
Total117100.00%11100.00%

/* * Description: Read NIC TSF counter * Get NEXTTBTT from adjusted TSF and Beacon Interval * * Parameters: * In: * qwTSF - Current TSF counter * wbeaconInterval - Beacon Interval * Out: * qwCurrTSF - Current TSF counter * * Return Value: TSF value of next Beacon */
u64 CARDqGetNextTBTT(u64 qwTSF, unsigned short wBeaconInterval) { u32 beacon_int; beacon_int = wBeaconInterval * 1024; if (beacon_int) { do_div(qwTSF, beacon_int); qwTSF += 1; qwTSF *= beacon_int; } return qwTSF; }

Contributors

PersonTokensPropCommitsCommitProp
Forest Bond2453.33%125.00%
Malcolm Priestley1942.22%250.00%
Charles Clément24.44%125.00%
Total45100.00%4100.00%

/* * Description: Set NIC TSF counter for first Beacon time * Get NEXTTBTT from adjusted TSF and Beacon Interval * * Parameters: * In: * iobase - IO Base * wBeaconInterval - Beacon Interval * Out: * none * * Return Value: none */
void CARDvSetFirstNextTBTT(struct vnt_private *priv, unsigned short wBeaconInterval) { void __iomem *iobase = priv->PortOffset; u64 qwNextTBTT = 0; CARDbGetCurrentTSF(priv, &qwNextTBTT); /* Get Local TSF counter */ qwNextTBTT = CARDqGetNextTBTT(qwNextTBTT, wBeaconInterval); /* Set NextTBTT */ VNSvOutPortD(iobase + MAC_REG_NEXTTBTT, (u32)qwNextTBTT); VNSvOutPortD(iobase + MAC_REG_NEXTTBTT + 4, (u32)(qwNextTBTT >> 32)); MACvRegBitsOn(iobase, MAC_REG_TFTCTL, TFTCTL_TBTTSYNCEN); }

Contributors

PersonTokensPropCommitsCommitProp
Forest Bond5462.79%114.29%
Malcolm Priestley2326.74%228.57%
Varsha Rao44.65%114.29%
Veronika Kabatova22.33%114.29%
Charles Clément22.33%114.29%
Guillaume Clement11.16%114.29%
Total86100.00%7100.00%

/* * Description: Sync NIC TSF counter for Beacon time * Get NEXTTBTT and write to HW * * Parameters: * In: * priv - The adapter to be set * qwTSF - Current TSF counter * wBeaconInterval - Beacon Interval * Out: * none * * Return Value: none */
void CARDvUpdateNextTBTT(struct vnt_private *priv, u64 qwTSF, unsigned short wBeaconInterval) { void __iomem *iobase = priv->PortOffset; qwTSF = CARDqGetNextTBTT(qwTSF, wBeaconInterval); /* Set NextTBTT */ VNSvOutPortD(iobase + MAC_REG_NEXTTBTT, (u32)qwTSF); VNSvOutPortD(iobase + MAC_REG_NEXTTBTT + 4, (u32)(qwTSF >> 32)); MACvRegBitsOn(iobase, MAC_REG_TFTCTL, TFTCTL_TBTTSYNCEN); pr_debug("Card:Update Next TBTT[%8llx]\n", qwTSF); }

Contributors

PersonTokensPropCommitsCommitProp
Forest Bond5263.41%112.50%
Malcolm Priestley2125.61%225.00%
Varsha Rao44.88%112.50%
Charles Clément22.44%112.50%
Veronika Kabatova11.22%112.50%
Guillaume Clement11.22%112.50%
Joe Perches11.22%112.50%
Total82100.00%8100.00%


Overall Contributors

PersonTokensPropCommitsCommitProp
Forest Bond177847.91%11.96%
Charles Clément99426.79%917.65%
Malcolm Priestley79421.40%2752.94%
Veronika Kabatova541.46%11.96%
Justin P. Mattock290.78%23.92%
Nick Rosbrook200.54%11.96%
Varsha Rao150.40%11.96%
Joe Perches70.19%23.92%
Guillaume Clement70.19%23.92%
Jim Lieb50.13%23.92%
Dan Carpenter40.11%11.96%
Amitoj Kaur Chawla30.08%11.96%
Luis de Bethencourt10.03%11.96%
Total3711100.00%51100.00%
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