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-rw-r--r--drivers/staging/vt6656/datarate.c373
1 files changed, 185 insertions, 188 deletions
diff --git a/drivers/staging/vt6656/datarate.c b/drivers/staging/vt6656/datarate.c
index 17fbc35ebcbf..22071984346e 100644
--- a/drivers/staging/vt6656/datarate.c
+++ b/drivers/staging/vt6656/datarate.c
@@ -44,9 +44,9 @@
#include "rf.h"
/* static int msglevel = MSG_LEVEL_DEBUG; */
-static int msglevel =MSG_LEVEL_INFO;
-const u8 acbyIERate[MAX_RATE] =
-{0x02, 0x04, 0x0B, 0x16, 0x0C, 0x12, 0x18, 0x24, 0x30, 0x48, 0x60, 0x6C};
+static int msglevel = MSG_LEVEL_INFO;
+const u8 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
@@ -56,13 +56,13 @@ void s_vResetCounter(PKnownNodeDB psNodeDBTable);
void s_vResetCounter(PKnownNodeDB psNodeDBTable)
{
- u8 ii;
+ u8 ii;
- /* clear statistics counter for auto_rate */
- for (ii = 0; ii <= MAX_RATE; ii++) {
- psNodeDBTable->uTxOk[ii] = 0;
- psNodeDBTable->uTxFail[ii] = 0;
- }
+ /* clear statistics counter for auto_rate */
+ for (ii = 0; ii <= MAX_RATE; ii++) {
+ psNodeDBTable->uTxOk[ii] = 0;
+ psNodeDBTable->uTxFail[ii] = 0;
+ }
}
/*+
@@ -97,21 +97,18 @@ void s_vResetCounter(PKnownNodeDB psNodeDBTable)
* Return Value: RateIdx
*
-*/
-u16
-RATEwGetRateIdx(
- u8 byRate
- )
+u16 RATEwGetRateIdx(u8 byRate)
{
- u16 ii;
+ u16 ii;
- /* erase BasicRate flag */
- byRate = byRate & 0x7F;
+ /* erase BasicRate flag */
+ byRate = byRate & 0x7F;
- for (ii = 0; ii < MAX_RATE; ii ++) {
- if (acbyIERate[ii] == byRate)
- return ii;
- }
- return 0;
+ for (ii = 0; ii < MAX_RATE; ii++) {
+ if (acbyIERate[ii] == byRate)
+ return ii;
+ }
+ return 0;
}
/*+
@@ -139,7 +136,7 @@ void RATEvParseMaxRate(struct vnt_private *pDevice,
int bUpdateBasicRate, u16 *pwMaxBasicRate, u16 *pwMaxSuppRate,
u16 *pwSuppRate, u8 *pbyTopCCKRate, u8 *pbyTopOFDMRate)
{
- int ii;
+ int ii;
u8 byHighSuppRate = 0, byRate = 0;
u16 wOldBasicRate = pDevice->wBasicRate;
u32 uRateLen;
@@ -147,83 +144,88 @@ void RATEvParseMaxRate(struct vnt_private *pDevice,
if (pItemRates == NULL)
return;
- *pwSuppRate = 0;
- uRateLen = pItemRates->len;
-
- DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"ParseMaxRate Len: %d\n", uRateLen);
- if (pDevice->byBBType != BB_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 = (u8)(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, RATEwGetRateIdx(byRate));
- DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"ParseMaxRate AddBasicRate: %d\n", RATEwGetRateIdx(byRate));
- }
- byRate = (u8)(pItemRates->abyRates[ii]&0x7F);
- if (byHighSuppRate == 0)
- byHighSuppRate = byRate;
- if (byRate > byHighSuppRate)
- byHighSuppRate = byRate;
- *pwSuppRate |= (1<<RATEwGetRateIdx(byRate));
- }
- if ((pItemExtRates != NULL) && (pItemExtRates->byElementID == WLAN_EID_EXTSUPP_RATES) &&
- (pDevice->byBBType != BB_TYPE_11B)) {
-
- unsigned int uExtRateLen = pItemExtRates->len;
-
- if (uExtRateLen > WLAN_RATES_MAXLEN)
- uExtRateLen = WLAN_RATES_MAXLEN;
-
- for (ii = 0; ii < uExtRateLen ; ii++) {
- byRate = (u8)(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, RATEwGetRateIdx(byRate));
- DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"ParseMaxRate AddBasicRate: %d\n", RATEwGetRateIdx(byRate));
- }
- byRate = (u8)(pItemExtRates->abyRates[ii]&0x7F);
- if (byHighSuppRate == 0)
- byHighSuppRate = byRate;
- if (byRate > byHighSuppRate)
- byHighSuppRate = byRate;
- *pwSuppRate |= (1<<RATEwGetRateIdx(byRate));
-
- /* DBG_PRN_GRP09(("ParseMaxRate : HighSuppRate: %d, %X\n",
- RATEwGetRateIdx(byRate), byRate)); */
- }
- }
-
- if ((pDevice->byPacketType == PK_TYPE_11GB)
- && CARDbIsOFDMinBasicRate((void *)pDevice)) {
- pDevice->byPacketType = PK_TYPE_11GA;
- }
-
- *pbyTopCCKRate = pDevice->byTopCCKBasicRate;
- *pbyTopOFDMRate = pDevice->byTopOFDMBasicRate;
- *pwMaxSuppRate = RATEwGetRateIdx(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->byBBType);
-
- DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"Exit ParseMaxRate\n");
+ *pwSuppRate = 0;
+ uRateLen = pItemRates->len;
+
+ DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"ParseMaxRate Len: %d\n", uRateLen);
+ if (pDevice->byBBType != BB_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 = (u8)(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, RATEwGetRateIdx(byRate));
+ DBG_PRT(MSG_LEVEL_DEBUG,
+ KERN_INFO"ParseMaxRate AddBasicRate: %d\n",
+ RATEwGetRateIdx(byRate));
+ }
+ byRate = (u8)(pItemRates->abyRates[ii]&0x7F);
+ if (byHighSuppRate == 0)
+ byHighSuppRate = byRate;
+ if (byRate > byHighSuppRate)
+ byHighSuppRate = byRate;
+ *pwSuppRate |= (1<<RATEwGetRateIdx(byRate));
+ }
+ if ((pItemExtRates != NULL) && (pItemExtRates->byElementID == WLAN_EID_EXTSUPP_RATES) &&
+ (pDevice->byBBType != BB_TYPE_11B)) {
+
+ unsigned int uExtRateLen = pItemExtRates->len;
+
+ if (uExtRateLen > WLAN_RATES_MAXLEN)
+ uExtRateLen = WLAN_RATES_MAXLEN;
+
+ for (ii = 0; ii < uExtRateLen; ii++) {
+ byRate = (u8)(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, RATEwGetRateIdx(byRate));
+ DBG_PRT(MSG_LEVEL_DEBUG,
+ KERN_INFO"ParseMaxRate AddBasicRate: %d\n",
+ RATEwGetRateIdx(byRate));
+ }
+ byRate = (u8)(pItemExtRates->abyRates[ii]&0x7F);
+ if (byHighSuppRate == 0)
+ byHighSuppRate = byRate;
+ if (byRate > byHighSuppRate)
+ byHighSuppRate = byRate;
+ *pwSuppRate |= (1<<RATEwGetRateIdx(byRate));
+
+ /* DBG_PRN_GRP09(("ParseMaxRate : HighSuppRate: %d, %X\n",
+ * RATEwGetRateIdx(byRate), byRate));
+ */
+ }
+ }
+
+ if ((pDevice->byPacketType == PK_TYPE_11GB)
+ && CARDbIsOFDMinBasicRate((void *)pDevice)) {
+ pDevice->byPacketType = PK_TYPE_11GA;
+ }
+
+ *pbyTopCCKRate = pDevice->byTopCCKBasicRate;
+ *pbyTopOFDMRate = pDevice->byTopOFDMBasicRate;
+ *pwMaxSuppRate = RATEwGetRateIdx(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->byBBType);
+
+ DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"Exit ParseMaxRate\n");
}
/*+
@@ -263,71 +265,71 @@ void RATEvTxRateFallBack(struct vnt_private *pDevice,
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 = (u16) 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, (int)psNodeDBTable->uTxOk[ii], (int)psNodeDBTable->uTxFail[ii], (int)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 = (u16) 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(total) == 0 & uTxFail(total) == 0 */
- if (psNodeDBTable->uTxFail[MAX_RATE] == 0)
- psNodeDBTable->wTxDataRate = wIdxUpRate;
- }
-
- if (pDevice->byBBType == BB_TYPE_11A) {
- if (psNodeDBTable->wTxDataRate <= RATE_11M)
- psNodeDBTable->wTxDataRate = RATE_6M;
- }
- DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"uTxOk[MAX_RATE] %d, uTxFail[MAX_RATE]:%d\n",(int)psNodeDBTable->uTxOk[MAX_RATE], (int)psNodeDBTable->uTxFail[MAX_RATE]);
- s_vResetCounter(psNodeDBTable);
- DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"Rate: %d, U:%d, D:%d\n", (int)psNodeDBTable->wTxDataRate, (int)wIdxUpRate, (int)wIdxDownRate);
- return;
+ 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 = (u16) 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, (int)psNodeDBTable->uTxOk[ii], (int)psNodeDBTable->uTxFail[ii], (int)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 = (u16) 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(total) == 0 & uTxFail(total) == 0 */
+ if (psNodeDBTable->uTxFail[MAX_RATE] == 0)
+ psNodeDBTable->wTxDataRate = wIdxUpRate;
+ }
+
+ if (pDevice->byBBType == BB_TYPE_11A) {
+ if (psNodeDBTable->wTxDataRate <= RATE_11M)
+ psNodeDBTable->wTxDataRate = RATE_6M;
+ }
+ DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"uTxOk[MAX_RATE] %d, uTxFail[MAX_RATE]:%d\n", (int)psNodeDBTable->uTxOk[MAX_RATE], (int)psNodeDBTable->uTxFail[MAX_RATE]);
+ s_vResetCounter(psNodeDBTable);
+ DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"Rate: %d, U:%d, D:%d\n", (int)psNodeDBTable->wTxDataRate, (int)wIdxUpRate, (int)wIdxDownRate);
+ return;
}
/*+
@@ -343,29 +345,24 @@ void RATEvTxRateFallBack(struct vnt_private *pDevice,
* Return Value: None
*
-*/
-u8
-RATEuSetIE (
- PWLAN_IE_SUPP_RATES pSrcRates,
- PWLAN_IE_SUPP_RATES pDstRates,
- unsigned int uRateLen
- )
+u8 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 (u8)uRateCnt;
+ 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 (u8)uRateCnt;
}
-
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-08 18:57:17 +0000