Neatening only.
git diff -w shows no differences.
Signed-off-by: Joe Perches <[email protected]>
---
drivers/staging/vt6655/datarate.c | 874 +++++++++++++++++++-------------------
drivers/staging/vt6655/datarate.h | 42 +-
2 files changed, 458 insertions(+), 458 deletions(-)
rewrite drivers/staging/vt6655/datarate.c (63%)
diff --git a/drivers/staging/vt6655/datarate.c
b/drivers/staging/vt6655/datarate.c
dissimilarity index 63%
index b86ec1b..32e4d4a 100644
--- a/drivers/staging/vt6655/datarate.c
+++ b/drivers/staging/vt6655/datarate.c
@@ -1,437 +1,437 @@
-/*
- * 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.
- *
- * 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.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * File: datarate.c
- *
- * Purpose: Handles the auto fallback & data rates functions
- *
- * Author: Lyndon Chen
- *
- * Date: July 17, 2002
- *
- * Functions:
- * RATEvParseMaxRate - Parsing the highest basic & support rate in rate
field of frame
- * RATEvTxRateFallBack - Rate fallback Algorithm Implementaion
- * RATEuSetIE- Set rate IE field.
- *
- * Revision History:
- *
- */
-
-#include "ttype.h"
-#include "tmacro.h"
-#include "mac.h"
-#include "80211mgr.h"
-#include "bssdb.h"
-#include "datarate.h"
-#include "card.h"
-#include "baseband.h"
-#include "srom.h"
-
-/*--------------------- Static Definitions -------------------------*/
-
-
-
-
-/*--------------------- Static Classes ----------------------------*/
-
-
- extern unsigned short TxRate_iwconfig; //2008-5-8 <add> by chester
-/*--------------------- Static Variables --------------------------*/
-//static int msglevel =MSG_LEVEL_DEBUG;
-static int msglevel =MSG_LEVEL_INFO;
-const unsigned char acbyIERate[MAX_RATE] =
-{0x02, 0x04, 0x0B, 0x16, 0x0C, 0x12, 0x18, 0x24, 0x30, 0x48, 0x60, 0x6C};
-
-#define AUTORATE_TXOK_CNT 0x0400
-#define AUTORATE_TXFAIL_CNT 0x0064
-#define AUTORATE_TIMEOUT 10
-
-/*--------------------- Static Functions --------------------------*/
-
-void s_vResetCounter (
- PKnownNodeDB psNodeDBTable
- );
-
-
-
-void
-s_vResetCounter (
- PKnownNodeDB psNodeDBTable
- )
-{
- unsigned char ii;
-
- // clear statistic counter for auto_rate
- for(ii=0;ii<=MAX_RATE;ii++) {
- psNodeDBTable->uTxOk[ii] = 0;
- psNodeDBTable->uTxFail[ii] = 0;
- }
-}
-
-/*--------------------- Export Variables --------------------------*/
-
-
-/*--------------------- Export Functions --------------------------*/
-
-
-/*+
- *
- * Description:
- * Get RateIdx from the value in SuppRates IE or ExtSuppRates IE
- *
- * Parameters:
- * In:
- * unsigned char - Rate value in SuppRates IE or ExtSuppRates IE
- * Out:
- * none
- *
- * Return Value: RateIdx
- *
--*/
-unsigned char
-DATARATEbyGetRateIdx (
- unsigned char byRate
- )
-{
- unsigned char ii;
-
- //Erase basicRate flag.
- byRate = byRate & 0x7F;//0111 1111
-
- for (ii = 0; ii < MAX_RATE; ii ++) {
- if (acbyIERate[ii] == byRate)
- return ii;
- }
- return 0;
-}
-
-
-
-/*+
- *
- * Routine Description:
- * Rate fallback Algorithm Implementation
- *
- * Parameters:
- * In:
- * pDevice - Pointer to the adapter
- * psNodeDBTable - Pointer to Node Data Base
- * Out:
- * none
- *
- * Return Value: none
- *
--*/
-#define AUTORATE_TXCNT_THRESHOLD 20
-#define AUTORATE_INC_THRESHOLD 30
-
-
-
-
-/*+
- *
- * Description:
- * Get RateIdx from the value in SuppRates IE or ExtSuppRates IE
- *
- * Parameters:
- * In:
- * unsigned char - Rate value in SuppRates IE or ExtSuppRates IE
- * Out:
- * none
- *
- * Return Value: RateIdx
- *
--*/
-unsigned short
-wGetRateIdx(
- unsigned char byRate
- )
-{
- unsigned short ii;
-
- //Erase basicRate flag.
- byRate = byRate & 0x7F;//0111 1111
-
- for (ii = 0; ii < MAX_RATE; ii ++) {
- if (acbyIERate[ii] == byRate)
- return ii;
- }
- return 0;
-}
-
-/*+
- *
- * Description:
- * Parsing the highest basic & support rate in rate field of frame.
- *
- * Parameters:
- * In:
- * pDevice - Pointer to the adapter
- * pItemRates - Pointer to Rate field defined in 802.11 spec.
- * pItemExtRates - Pointer to Extended Rate field defined in 802.11
spec.
- * Out:
- * pwMaxBasicRate - Maximum Basic Rate
- * pwMaxSuppRate - Maximum Supported Rate
- * pbyTopCCKRate - Maximum Basic Rate in CCK mode
- * pbyTopOFDMRate - Maximum Basic Rate in OFDM mode
- *
- * Return Value: none
- *
--*/
-void
-RATEvParseMaxRate (
- void *pDeviceHandler,
- PWLAN_IE_SUPP_RATES pItemRates,
- PWLAN_IE_SUPP_RATES pItemExtRates,
- bool bUpdateBasicRate,
- unsigned short *pwMaxBasicRate,
- unsigned short *pwMaxSuppRate,
- unsigned short *pwSuppRate,
- unsigned char *pbyTopCCKRate,
- unsigned char *pbyTopOFDMRate
- )
-{
-PSDevice pDevice = (PSDevice) pDeviceHandler;
-unsigned int ii;
-unsigned char byHighSuppRate = 0;
-unsigned char byRate = 0;
-unsigned short wOldBasicRate = pDevice->wBasicRate;
-unsigned int uRateLen;
-
-
- if (pItemRates == NULL)
- return;
-
- *pwSuppRate = 0;
- uRateLen = pItemRates->len;
-
- DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"ParseMaxRate Len: %d\n", uRateLen);
- if (pDevice->eCurrentPHYType != PHY_TYPE_11B) {
- if (uRateLen > WLAN_RATES_MAXLEN)
- uRateLen = WLAN_RATES_MAXLEN;
- } else {
- if (uRateLen > WLAN_RATES_MAXLEN_11B)
- uRateLen = WLAN_RATES_MAXLEN_11B;
- }
-
- for (ii = 0; ii < uRateLen; ii++) {
- byRate = (unsigned char)(pItemRates->abyRates[ii]);
- if (WLAN_MGMT_IS_BASICRATE(byRate) &&
- (bUpdateBasicRate == true)) {
- // Add to basic rate set, update pDevice->byTopCCKBasicRate and
pDevice->byTopOFDMBasicRate
- CARDbAddBasicRate((void *)pDevice, wGetRateIdx(byRate));
- DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"ParseMaxRate AddBasicRate:
%d\n", wGetRateIdx(byRate));
- }
- byRate = (unsigned char)(pItemRates->abyRates[ii]&0x7F);
- if (byHighSuppRate == 0)
- byHighSuppRate = byRate;
- if (byRate > byHighSuppRate)
- byHighSuppRate = byRate;
- *pwSuppRate |= (1<<wGetRateIdx(byRate));
- }
- if ((pItemExtRates != NULL) && (pItemExtRates->byElementID ==
WLAN_EID_EXTSUPP_RATES) &&
- (pDevice->eCurrentPHYType != PHY_TYPE_11B)) {
-
- unsigned int uExtRateLen = pItemExtRates->len;
-
- if (uExtRateLen > WLAN_RATES_MAXLEN)
- uExtRateLen = WLAN_RATES_MAXLEN;
-
- for (ii = 0; ii < uExtRateLen ; ii++) {
- byRate = (unsigned char)(pItemExtRates->abyRates[ii]);
- // select highest basic rate
- if (WLAN_MGMT_IS_BASICRATE(pItemExtRates->abyRates[ii])) {
- // Add to basic rate set, update pDevice->byTopCCKBasicRate and
pDevice->byTopOFDMBasicRate
- CARDbAddBasicRate((void *)pDevice, wGetRateIdx(byRate));
- DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"ParseMaxRate AddBasicRate:
%d\n", wGetRateIdx(byRate));
- }
- byRate = (unsigned char)(pItemExtRates->abyRates[ii]&0x7F);
- if (byHighSuppRate == 0)
- byHighSuppRate = byRate;
- if (byRate > byHighSuppRate)
- byHighSuppRate = byRate;
- *pwSuppRate |= (1<<wGetRateIdx(byRate));
- //DBG_PRN_GRP09(("ParseMaxRate : HighSuppRate: %d, %X\n",
wGetRateIdx(byRate), byRate));
- }
- } //if(pItemExtRates != NULL)
-
- if ((pDevice->byPacketType == PK_TYPE_11GB) &&
CARDbIsOFDMinBasicRate((void *)pDevice)) {
- pDevice->byPacketType = PK_TYPE_11GA;
- }
-
- *pbyTopCCKRate = pDevice->byTopCCKBasicRate;
- *pbyTopOFDMRate = pDevice->byTopOFDMBasicRate;
- *pwMaxSuppRate = wGetRateIdx(byHighSuppRate);
- if ((pDevice->byPacketType==PK_TYPE_11B) ||
(pDevice->byPacketType==PK_TYPE_11GB))
- *pwMaxBasicRate = pDevice->byTopCCKBasicRate;
- else
- *pwMaxBasicRate = pDevice->byTopOFDMBasicRate;
- if (wOldBasicRate != pDevice->wBasicRate)
- CARDvSetRSPINF((void *)pDevice, pDevice->eCurrentPHYType);
-
- DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"Exit ParseMaxRate\n");
-}
-
-
-/*+
- *
- * Routine Description:
- * Rate fallback Algorithm Implementaion
- *
- * Parameters:
- * In:
- * pDevice - Pointer to the adapter
- * psNodeDBTable - Pointer to Node Data Base
- * Out:
- * none
- *
- * Return Value: none
- *
--*/
-#define AUTORATE_TXCNT_THRESHOLD 20
-#define AUTORATE_INC_THRESHOLD 30
-
-void
-RATEvTxRateFallBack (
- void *pDeviceHandler,
- PKnownNodeDB psNodeDBTable
- )
-{
-PSDevice pDevice = (PSDevice) pDeviceHandler;
-unsigned short wIdxDownRate = 0;
-unsigned int ii;
-//unsigned long dwRateTable[MAX_RATE] = {1, 2, 5, 11, 6, 9, 12,
18, 24, 36, 48, 54};
-bool bAutoRate[MAX_RATE] =
{true,true,true,true,false,false,true,true,true,true,true,true};
- unsigned long dwThroughputTbl[MAX_RATE] = {10, 20, 55, 110, 60, 90,
120, 180, 240, 360, 480, 540};
- unsigned long dwThroughput = 0;
- unsigned short wIdxUpRate = 0;
- unsigned long dwTxDiff = 0;
-
- if (pDevice->pMgmt->eScanState != WMAC_NO_SCANNING) {
- // Don't do Fallback when scanning Channel
- return;
- }
-
- psNodeDBTable->uTimeCount ++;
-
- if (psNodeDBTable->uTxFail[MAX_RATE] > psNodeDBTable->uTxOk[MAX_RATE])
- dwTxDiff = psNodeDBTable->uTxFail[MAX_RATE] -
psNodeDBTable->uTxOk[MAX_RATE];
-
- if ((psNodeDBTable->uTxOk[MAX_RATE] < AUTORATE_TXOK_CNT) &&
- (dwTxDiff < AUTORATE_TXFAIL_CNT) &&
- (psNodeDBTable->uTimeCount < AUTORATE_TIMEOUT)) {
- return;
- }
-
- if (psNodeDBTable->uTimeCount >= AUTORATE_TIMEOUT) {
- psNodeDBTable->uTimeCount = 0;
- }
-
-
- for(ii=0;ii<MAX_RATE;ii++) {
- if (psNodeDBTable->wSuppRate & (0x0001<<ii)) {
- if (bAutoRate[ii] == true) {
- wIdxUpRate = (unsigned short) ii;
- }
- } else {
- bAutoRate[ii] = false;
- }
- }
-
- for(ii=0;ii<=psNodeDBTable->wTxDataRate;ii++) {
- if ( (psNodeDBTable->uTxOk[ii] != 0) ||
- (psNodeDBTable->uTxFail[ii] != 0) ) {
- dwThroughputTbl[ii] *= psNodeDBTable->uTxOk[ii];
- if (ii < RATE_11M) {
- psNodeDBTable->uTxFail[ii] *= 4;
- }
- dwThroughputTbl[ii] /= (psNodeDBTable->uTxOk[ii] +
psNodeDBTable->uTxFail[ii]);
- }
-// DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"Rate %d,Ok: %d, Fail:%d,
Throughput:%d\n",
-// ii, psNodeDBTable->uTxOk[ii],
psNodeDBTable->uTxFail[ii], dwThroughputTbl[ii]);
- }
- dwThroughput = dwThroughputTbl[psNodeDBTable->wTxDataRate];
-
- wIdxDownRate = psNodeDBTable->wTxDataRate;
- for(ii = psNodeDBTable->wTxDataRate; ii > 0;) {
- ii--;
- if ( (dwThroughputTbl[ii] > dwThroughput) &&
- (bAutoRate[ii]==true) ) {
- dwThroughput = dwThroughputTbl[ii];
- wIdxDownRate = (unsigned short) ii;
- }
- }
- psNodeDBTable->wTxDataRate = wIdxDownRate;
- if (psNodeDBTable->uTxOk[MAX_RATE]) {
- if (psNodeDBTable->uTxOk[MAX_RATE] >
- (psNodeDBTable->uTxFail[MAX_RATE] * 4) ) {
- psNodeDBTable->wTxDataRate = wIdxUpRate;
- }
- }else { // adhoc, if uTxOk =0 & uTxFail = 0
- if (psNodeDBTable->uTxFail[MAX_RATE] == 0)
- psNodeDBTable->wTxDataRate = wIdxUpRate;
- }
-//2008-5-8 <add> by chester
-TxRate_iwconfig=psNodeDBTable->wTxDataRate;
- s_vResetCounter(psNodeDBTable);
-// DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"Rate: %d, U:%d, D:%d\n",
psNodeDBTable->wTxDataRate, wIdxUpRate, wIdxDownRate);
-
- return;
-
-}
-
-/*+
- *
- * Description:
- * This routine is used to assemble available Rate IE.
- *
- * Parameters:
- * In:
- * pDevice
- * Out:
- *
- * Return Value: None
- *
--*/
-unsigned char
-RATEuSetIE (
- PWLAN_IE_SUPP_RATES pSrcRates,
- PWLAN_IE_SUPP_RATES pDstRates,
- unsigned int uRateLen
- )
-{
- unsigned int ii, uu, uRateCnt = 0;
-
- if ((pSrcRates == NULL) || (pDstRates == NULL))
- return 0;
-
- if (pSrcRates->len == 0)
- return 0;
-
- for (ii = 0; ii < uRateLen; ii++) {
- for (uu = 0; uu < pSrcRates->len; uu++) {
- if ((pSrcRates->abyRates[uu] & 0x7F) == acbyIERate[ii]) {
- pDstRates->abyRates[uRateCnt ++] = pSrcRates->abyRates[uu];
- break;
- }
- }
- }
- return (unsigned char)uRateCnt;
-}
-
+/*
+ * 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.
+ *
+ * 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.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * File: datarate.c
+ *
+ * Purpose: Handles the auto fallback & data rates functions
+ *
+ * Author: Lyndon Chen
+ *
+ * Date: July 17, 2002
+ *
+ * Functions:
+ * RATEvParseMaxRate - Parsing the highest basic & support rate in rate
field of frame
+ * RATEvTxRateFallBack - Rate fallback Algorithm Implementaion
+ * RATEuSetIE- Set rate IE field.
+ *
+ * Revision History:
+ *
+ */
+
+#include "ttype.h"
+#include "tmacro.h"
+#include "mac.h"
+#include "80211mgr.h"
+#include "bssdb.h"
+#include "datarate.h"
+#include "card.h"
+#include "baseband.h"
+#include "srom.h"
+
+/*--------------------- Static Definitions -------------------------*/
+
+
+
+
+/*--------------------- Static Classes ----------------------------*/
+
+
+extern unsigned short TxRate_iwconfig; //2008-5-8 <add> by chester
+/*--------------------- Static Variables --------------------------*/
+//static int msglevel =MSG_LEVEL_DEBUG;
+static int msglevel = MSG_LEVEL_INFO;
+const unsigned char acbyIERate[MAX_RATE] =
+{0x02, 0x04, 0x0B, 0x16, 0x0C, 0x12, 0x18, 0x24, 0x30, 0x48, 0x60, 0x6C};
+
+#define AUTORATE_TXOK_CNT 0x0400
+#define AUTORATE_TXFAIL_CNT 0x0064
+#define AUTORATE_TIMEOUT 10
+
+/*--------------------- Static Functions --------------------------*/
+
+void s_vResetCounter(
+ PKnownNodeDB psNodeDBTable
+);
+
+
+
+void
+s_vResetCounter(
+ PKnownNodeDB psNodeDBTable
+)
+{
+ unsigned char ii;
+
+ // clear statistic counter for auto_rate
+ for (ii = 0; ii <= MAX_RATE; ii++) {
+ psNodeDBTable->uTxOk[ii] = 0;
+ psNodeDBTable->uTxFail[ii] = 0;
+ }
+}
+
+/*--------------------- Export Variables --------------------------*/
+
+
+/*--------------------- Export Functions --------------------------*/
+
+
+/*+
+ *
+ * Description:
+ * Get RateIdx from the value in SuppRates IE or ExtSuppRates IE
+ *
+ * Parameters:
+ * In:
+ * unsigned char - Rate value in SuppRates IE or ExtSuppRates IE
+ * Out:
+ * none
+ *
+ * Return Value: RateIdx
+ *
+ -*/
+unsigned char
+DATARATEbyGetRateIdx(
+ unsigned char byRate
+)
+{
+ unsigned char ii;
+
+ //Erase basicRate flag.
+ byRate = byRate & 0x7F;//0111 1111
+
+ for (ii = 0; ii < MAX_RATE; ii++) {
+ if (acbyIERate[ii] == byRate)
+ return ii;
+ }
+ return 0;
+}
+
+
+
+/*+
+ *
+ * Routine Description:
+ * Rate fallback Algorithm Implementation
+ *
+ * Parameters:
+ * In:
+ * pDevice - Pointer to the adapter
+ * psNodeDBTable - Pointer to Node Data Base
+ * Out:
+ * none
+ *
+ * Return Value: none
+ *
+ -*/
+#define AUTORATE_TXCNT_THRESHOLD 20
+#define AUTORATE_INC_THRESHOLD 30
+
+
+
+
+/*+
+ *
+ * Description:
+ * Get RateIdx from the value in SuppRates IE or ExtSuppRates IE
+ *
+ * Parameters:
+ * In:
+ * unsigned char - Rate value in SuppRates IE or ExtSuppRates IE
+ * Out:
+ * none
+ *
+ * Return Value: RateIdx
+ *
+ -*/
+unsigned short
+wGetRateIdx(
+ unsigned char byRate
+)
+{
+ unsigned short ii;
+
+ //Erase basicRate flag.
+ byRate = byRate & 0x7F;//0111 1111
+
+ for (ii = 0; ii < MAX_RATE; ii++) {
+ if (acbyIERate[ii] == byRate)
+ return ii;
+ }
+ return 0;
+}
+
+/*+
+ *
+ * Description:
+ * Parsing the highest basic & support rate in rate field of frame.
+ *
+ * Parameters:
+ * In:
+ * pDevice - Pointer to the adapter
+ * pItemRates - Pointer to Rate field defined in 802.11 spec.
+ * pItemExtRates - Pointer to Extended Rate field defined in 802.11
spec.
+ * Out:
+ * pwMaxBasicRate - Maximum Basic Rate
+ * pwMaxSuppRate - Maximum Supported Rate
+ * pbyTopCCKRate - Maximum Basic Rate in CCK mode
+ * pbyTopOFDMRate - Maximum Basic Rate in OFDM mode
+ *
+ * Return Value: none
+ *
+ -*/
+void
+RATEvParseMaxRate(
+ void *pDeviceHandler,
+ PWLAN_IE_SUPP_RATES pItemRates,
+ PWLAN_IE_SUPP_RATES pItemExtRates,
+ bool bUpdateBasicRate,
+ unsigned short *pwMaxBasicRate,
+ unsigned short *pwMaxSuppRate,
+ unsigned short *pwSuppRate,
+ unsigned char *pbyTopCCKRate,
+ unsigned char *pbyTopOFDMRate
+)
+{
+ PSDevice pDevice = (PSDevice) pDeviceHandler;
+ unsigned int ii;
+ unsigned char byHighSuppRate = 0;
+ unsigned char byRate = 0;
+ unsigned short wOldBasicRate = pDevice->wBasicRate;
+ unsigned int uRateLen;
+
+
+ if (pItemRates == NULL)
+ return;
+
+ *pwSuppRate = 0;
+ uRateLen = pItemRates->len;
+
+ DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "ParseMaxRate Len: %d\n", uRateLen);
+ if (pDevice->eCurrentPHYType != PHY_TYPE_11B) {
+ if (uRateLen > WLAN_RATES_MAXLEN)
+ uRateLen = WLAN_RATES_MAXLEN;
+ } else {
+ if (uRateLen > WLAN_RATES_MAXLEN_11B)
+ uRateLen = WLAN_RATES_MAXLEN_11B;
+ }
+
+ for (ii = 0; ii < uRateLen; ii++) {
+ byRate = (unsigned char)(pItemRates->abyRates[ii]);
+ if (WLAN_MGMT_IS_BASICRATE(byRate) &&
+ (bUpdateBasicRate == true)) {
+ // Add to basic rate set, update
pDevice->byTopCCKBasicRate and pDevice->byTopOFDMBasicRate
+ CARDbAddBasicRate((void *)pDevice, wGetRateIdx(byRate));
+ DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "ParseMaxRate
AddBasicRate: %d\n", wGetRateIdx(byRate));
+ }
+ byRate = (unsigned char)(pItemRates->abyRates[ii]&0x7F);
+ if (byHighSuppRate == 0)
+ byHighSuppRate = byRate;
+ if (byRate > byHighSuppRate)
+ byHighSuppRate = byRate;
+ *pwSuppRate |= (1<<wGetRateIdx(byRate));
+ }
+ if ((pItemExtRates != NULL) && (pItemExtRates->byElementID ==
WLAN_EID_EXTSUPP_RATES) &&
+ (pDevice->eCurrentPHYType != PHY_TYPE_11B)) {
+
+ unsigned int uExtRateLen = pItemExtRates->len;
+
+ if (uExtRateLen > WLAN_RATES_MAXLEN)
+ uExtRateLen = WLAN_RATES_MAXLEN;
+
+ for (ii = 0; ii < uExtRateLen; ii++) {
+ byRate = (unsigned char)(pItemExtRates->abyRates[ii]);
+ // select highest basic rate
+ if
(WLAN_MGMT_IS_BASICRATE(pItemExtRates->abyRates[ii])) {
+ // Add to basic rate set, update
pDevice->byTopCCKBasicRate and pDevice->byTopOFDMBasicRate
+ CARDbAddBasicRate((void *)pDevice,
wGetRateIdx(byRate));
+ DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO
"ParseMaxRate AddBasicRate: %d\n", wGetRateIdx(byRate));
+ }
+ byRate = (unsigned
char)(pItemExtRates->abyRates[ii]&0x7F);
+ if (byHighSuppRate == 0)
+ byHighSuppRate = byRate;
+ if (byRate > byHighSuppRate)
+ byHighSuppRate = byRate;
+ *pwSuppRate |= (1<<wGetRateIdx(byRate));
+ //DBG_PRN_GRP09(("ParseMaxRate : HighSuppRate: %d,
%X\n", wGetRateIdx(byRate), byRate));
+ }
+ } //if (pItemExtRates != NULL)
+
+ if ((pDevice->byPacketType == PK_TYPE_11GB) &&
CARDbIsOFDMinBasicRate((void *)pDevice)) {
+ pDevice->byPacketType = PK_TYPE_11GA;
+ }
+
+ *pbyTopCCKRate = pDevice->byTopCCKBasicRate;
+ *pbyTopOFDMRate = pDevice->byTopOFDMBasicRate;
+ *pwMaxSuppRate = wGetRateIdx(byHighSuppRate);
+ if ((pDevice->byPacketType == PK_TYPE_11B) || (pDevice->byPacketType ==
PK_TYPE_11GB))
+ *pwMaxBasicRate = pDevice->byTopCCKBasicRate;
+ else
+ *pwMaxBasicRate = pDevice->byTopOFDMBasicRate;
+ if (wOldBasicRate != pDevice->wBasicRate)
+ CARDvSetRSPINF((void *)pDevice, pDevice->eCurrentPHYType);
+
+ DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Exit ParseMaxRate\n");
+}
+
+
+/*+
+ *
+ * Routine Description:
+ * Rate fallback Algorithm Implementaion
+ *
+ * Parameters:
+ * In:
+ * pDevice - Pointer to the adapter
+ * psNodeDBTable - Pointer to Node Data Base
+ * Out:
+ * none
+ *
+ * Return Value: none
+ *
+ -*/
+#define AUTORATE_TXCNT_THRESHOLD 20
+#define AUTORATE_INC_THRESHOLD 30
+
+void
+RATEvTxRateFallBack(
+ void *pDeviceHandler,
+ PKnownNodeDB psNodeDBTable
+)
+{
+ PSDevice pDevice = (PSDevice) pDeviceHandler;
+ unsigned short wIdxDownRate = 0;
+ unsigned int ii;
+//unsigned long dwRateTable[MAX_RATE] = {1, 2, 5, 11, 6, 9, 12,
18, 24, 36, 48, 54};
+ bool bAutoRate[MAX_RATE] = {true, true, true, true, false, false,
true, true, true, true, true, true};
+ unsigned long dwThroughputTbl[MAX_RATE] = {10, 20, 55, 110, 60, 90,
120, 180, 240, 360, 480, 540};
+ unsigned long dwThroughput = 0;
+ unsigned short wIdxUpRate = 0;
+ unsigned long dwTxDiff = 0;
+
+ if (pDevice->pMgmt->eScanState != WMAC_NO_SCANNING) {
+ // Don't do Fallback when scanning Channel
+ return;
+ }
+
+ psNodeDBTable->uTimeCount++;
+
+ if (psNodeDBTable->uTxFail[MAX_RATE] > psNodeDBTable->uTxOk[MAX_RATE])
+ dwTxDiff = psNodeDBTable->uTxFail[MAX_RATE] -
psNodeDBTable->uTxOk[MAX_RATE];
+
+ if ((psNodeDBTable->uTxOk[MAX_RATE] < AUTORATE_TXOK_CNT) &&
+ (dwTxDiff < AUTORATE_TXFAIL_CNT) &&
+ (psNodeDBTable->uTimeCount < AUTORATE_TIMEOUT)) {
+ return;
+ }
+
+ if (psNodeDBTable->uTimeCount >= AUTORATE_TIMEOUT) {
+ psNodeDBTable->uTimeCount = 0;
+ }
+
+
+ for (ii = 0; ii < MAX_RATE; ii++) {
+ if (psNodeDBTable->wSuppRate & (0x0001<<ii)) {
+ if (bAutoRate[ii] == true) {
+ wIdxUpRate = (unsigned short) ii;
+ }
+ } else {
+ bAutoRate[ii] = false;
+ }
+ }
+
+ for (ii = 0; ii <= psNodeDBTable->wTxDataRate; ii++) {
+ if ((psNodeDBTable->uTxOk[ii] != 0) ||
+ (psNodeDBTable->uTxFail[ii] != 0)) {
+ dwThroughputTbl[ii] *= psNodeDBTable->uTxOk[ii];
+ if (ii < RATE_11M) {
+ psNodeDBTable->uTxFail[ii] *= 4;
+ }
+ dwThroughputTbl[ii] /= (psNodeDBTable->uTxOk[ii] +
psNodeDBTable->uTxFail[ii]);
+ }
+// DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Rate %d,Ok: %d, Fail:%d,
Throughput:%d\n",
+// ii, psNodeDBTable->uTxOk[ii],
psNodeDBTable->uTxFail[ii], dwThroughputTbl[ii]);
+ }
+ dwThroughput = dwThroughputTbl[psNodeDBTable->wTxDataRate];
+
+ wIdxDownRate = psNodeDBTable->wTxDataRate;
+ for (ii = psNodeDBTable->wTxDataRate; ii > 0;) {
+ ii--;
+ if ((dwThroughputTbl[ii] > dwThroughput) &&
+ (bAutoRate[ii] == true)) {
+ dwThroughput = dwThroughputTbl[ii];
+ wIdxDownRate = (unsigned short) ii;
+ }
+ }
+ psNodeDBTable->wTxDataRate = wIdxDownRate;
+ if (psNodeDBTable->uTxOk[MAX_RATE]) {
+ if (psNodeDBTable->uTxOk[MAX_RATE] >
+ (psNodeDBTable->uTxFail[MAX_RATE] * 4)) {
+ psNodeDBTable->wTxDataRate = wIdxUpRate;
+ }
+ } else { // adhoc, if uTxOk =0 & uTxFail = 0
+ if (psNodeDBTable->uTxFail[MAX_RATE] == 0)
+ psNodeDBTable->wTxDataRate = wIdxUpRate;
+ }
+//2008-5-8 <add> by chester
+ TxRate_iwconfig = psNodeDBTable->wTxDataRate;
+ s_vResetCounter(psNodeDBTable);
+// DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Rate: %d, U:%d, D:%d\n",
psNodeDBTable->wTxDataRate, wIdxUpRate, wIdxDownRate);
+
+ return;
+
+}
+
+/*+
+ *
+ * Description:
+ * This routine is used to assemble available Rate IE.
+ *
+ * Parameters:
+ * In:
+ * pDevice
+ * Out:
+ *
+ * Return Value: None
+ *
+ -*/
+unsigned char
+RATEuSetIE(
+ PWLAN_IE_SUPP_RATES pSrcRates,
+ PWLAN_IE_SUPP_RATES pDstRates,
+ unsigned int uRateLen
+)
+{
+ unsigned int ii, uu, uRateCnt = 0;
+
+ if ((pSrcRates == NULL) || (pDstRates == NULL))
+ return 0;
+
+ if (pSrcRates->len == 0)
+ return 0;
+
+ for (ii = 0; ii < uRateLen; ii++) {
+ for (uu = 0; uu < pSrcRates->len; uu++) {
+ if ((pSrcRates->abyRates[uu] & 0x7F) == acbyIERate[ii])
{
+ pDstRates->abyRates[uRateCnt++] =
pSrcRates->abyRates[uu];
+ break;
+ }
+ }
+ }
+ return (unsigned char)uRateCnt;
+}
+
diff --git a/drivers/staging/vt6655/datarate.h
b/drivers/staging/vt6655/datarate.h
index 4f8ea0b..d508f56 100644
--- a/drivers/staging/vt6655/datarate.h
+++ b/drivers/staging/vt6655/datarate.h
@@ -56,40 +56,40 @@
void
RATEvParseMaxRate(
- void *pDeviceHandler,
- PWLAN_IE_SUPP_RATES pItemRates,
- PWLAN_IE_SUPP_RATES pItemExtRates,
- bool bUpdateBasicRate,
- unsigned short *pwMaxBasicRate,
- unsigned short *pwMaxSuppRate,
- unsigned short *pwSuppRate,
- unsigned char *pbyTopCCKRate,
- unsigned char *pbyTopOFDMRate
- );
+ void *pDeviceHandler,
+ PWLAN_IE_SUPP_RATES pItemRates,
+ PWLAN_IE_SUPP_RATES pItemExtRates,
+ bool bUpdateBasicRate,
+ unsigned short *pwMaxBasicRate,
+ unsigned short *pwMaxSuppRate,
+ unsigned short *pwSuppRate,
+ unsigned char *pbyTopCCKRate,
+ unsigned char *pbyTopOFDMRate
+);
void
RATEvTxRateFallBack(
- void *pDeviceHandler,
- PKnownNodeDB psNodeDBTable
- );
+ void *pDeviceHandler,
+ PKnownNodeDB psNodeDBTable
+);
unsigned char
RATEuSetIE(
- PWLAN_IE_SUPP_RATES pSrcRates,
- PWLAN_IE_SUPP_RATES pDstRates,
- unsigned int uRateLen
- );
+ PWLAN_IE_SUPP_RATES pSrcRates,
+ PWLAN_IE_SUPP_RATES pDstRates,
+ unsigned int uRateLen
+);
unsigned short
wGetRateIdx(
- unsigned char byRate
- );
+ unsigned char byRate
+);
unsigned char
DATARATEbyGetRateIdx(
- unsigned char byRate
- );
+ unsigned char byRate
+);
#endif //__DATARATE_H__
--
1.8.1.2.459.gbcd45b4.dirty
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