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path: root/drivers/staging/vt6655/rxtx.c
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Diffstat (limited to 'drivers/staging/vt6655/rxtx.c')
-rw-r--r--drivers/staging/vt6655/rxtx.c252
1 files changed, 102 insertions, 150 deletions
diff --git a/drivers/staging/vt6655/rxtx.c b/drivers/staging/vt6655/rxtx.c
index 37fcc42ed000..cfab64d2b312 100644
--- a/drivers/staging/vt6655/rxtx.c
+++ b/drivers/staging/vt6655/rxtx.c
@@ -165,16 +165,21 @@ s_uGetTxRsvTime(
{
unsigned int uDataTime, uAckTime;
- uDataTime = BBuGetFrameTime(pDevice->byPreambleType, byPktType, cbFrameLength, wRate);
- if (byPktType == PK_TYPE_11B) /* llb,CCK mode */
- uAckTime = BBuGetFrameTime(pDevice->byPreambleType, byPktType, 14, (unsigned short)pDevice->byTopCCKBasicRate);
- else /* 11g 2.4G OFDM mode & 11a 5G OFDM mode */
- uAckTime = BBuGetFrameTime(pDevice->byPreambleType, byPktType, 14, (unsigned short)pDevice->byTopOFDMBasicRate);
-
- if (bNeedAck)
- return uDataTime + pDevice->uSIFS + uAckTime;
- else
+ uDataTime = bb_get_frame_time(pDevice->byPreambleType, byPktType, cbFrameLength, wRate);
+
+ if (!bNeedAck)
return uDataTime;
+
+ /*
+ * CCK mode - 11b
+ * OFDM mode - 11g 2.4G & 11a 5G
+ */
+ uAckTime = bb_get_frame_time(pDevice->byPreambleType, byPktType, 14,
+ byPktType == PK_TYPE_11B ?
+ pDevice->byTopCCKBasicRate :
+ pDevice->byTopOFDMBasicRate);
+
+ return uDataTime + pDevice->uSIFS + uAckTime;
}
static __le16 vnt_rxtx_rsvtime_le16(struct vnt_private *priv, u8 pkt_type,
@@ -195,24 +200,28 @@ s_uGetRTSCTSRsvTime(
unsigned short wCurrentRate
)
{
- unsigned int uRrvTime, uRTSTime, uCTSTime, uAckTime, uDataTime;
-
- uRrvTime = uRTSTime = uCTSTime = uAckTime = uDataTime = 0;
+ unsigned int uRrvTime = 0;
+ unsigned int uRTSTime = 0;
+ unsigned int uCTSTime = 0;
+ unsigned int uAckTime = 0;
+ unsigned int uDataTime = 0;
- uDataTime = BBuGetFrameTime(pDevice->byPreambleType, byPktType, cbFrameLength, wCurrentRate);
+ uDataTime = bb_get_frame_time(pDevice->byPreambleType, byPktType, cbFrameLength, wCurrentRate);
if (byRTSRsvType == 0) { /* RTSTxRrvTime_bb */
- uRTSTime = BBuGetFrameTime(pDevice->byPreambleType, byPktType, 20, pDevice->byTopCCKBasicRate);
- uCTSTime = uAckTime = BBuGetFrameTime(pDevice->byPreambleType, byPktType, 14, pDevice->byTopCCKBasicRate);
+ uRTSTime = bb_get_frame_time(pDevice->byPreambleType, byPktType, 20, pDevice->byTopCCKBasicRate);
+ uAckTime = bb_get_frame_time(pDevice->byPreambleType, byPktType, 14, pDevice->byTopCCKBasicRate);
+ uCTSTime = uAckTime;
} else if (byRTSRsvType == 1) { /* RTSTxRrvTime_ba, only in 2.4GHZ */
- uRTSTime = BBuGetFrameTime(pDevice->byPreambleType, byPktType, 20, pDevice->byTopCCKBasicRate);
- uCTSTime = BBuGetFrameTime(pDevice->byPreambleType, byPktType, 14, pDevice->byTopCCKBasicRate);
- uAckTime = BBuGetFrameTime(pDevice->byPreambleType, byPktType, 14, pDevice->byTopOFDMBasicRate);
+ uRTSTime = bb_get_frame_time(pDevice->byPreambleType, byPktType, 20, pDevice->byTopCCKBasicRate);
+ uCTSTime = bb_get_frame_time(pDevice->byPreambleType, byPktType, 14, pDevice->byTopCCKBasicRate);
+ uAckTime = bb_get_frame_time(pDevice->byPreambleType, byPktType, 14, pDevice->byTopOFDMBasicRate);
} else if (byRTSRsvType == 2) { /* RTSTxRrvTime_aa */
- uRTSTime = BBuGetFrameTime(pDevice->byPreambleType, byPktType, 20, pDevice->byTopOFDMBasicRate);
- uCTSTime = uAckTime = BBuGetFrameTime(pDevice->byPreambleType, byPktType, 14, pDevice->byTopOFDMBasicRate);
+ uRTSTime = bb_get_frame_time(pDevice->byPreambleType, byPktType, 20, pDevice->byTopOFDMBasicRate);
+ uAckTime = bb_get_frame_time(pDevice->byPreambleType, byPktType, 14, pDevice->byTopOFDMBasicRate);
+ uCTSTime = uAckTime;
} else if (byRTSRsvType == 3) { /* CTSTxRrvTime_ba, only in 2.4GHZ */
- uCTSTime = BBuGetFrameTime(pDevice->byPreambleType, byPktType, 14, pDevice->byTopCCKBasicRate);
- uAckTime = BBuGetFrameTime(pDevice->byPreambleType, byPktType, 14, pDevice->byTopOFDMBasicRate);
+ uCTSTime = bb_get_frame_time(pDevice->byPreambleType, byPktType, 14, pDevice->byTopCCKBasicRate);
+ uAckTime = bb_get_frame_time(pDevice->byPreambleType, byPktType, 14, pDevice->byTopOFDMBasicRate);
uRrvTime = uCTSTime + uAckTime + uDataTime + 2 * pDevice->uSIFS;
return cpu_to_le16((u16)uRrvTime);
}
@@ -239,138 +248,83 @@ s_uGetDataDuration(
)
{
bool bLastFrag = false;
- unsigned int uAckTime = 0, uNextPktTime = 0;
+ unsigned int uAckTime = 0, uNextPktTime = 0, len;
if (uFragIdx == (uMACfragNum - 1))
bLastFrag = true;
+ if (uFragIdx == (uMACfragNum - 2))
+ len = cbLastFragmentSize;
+ else
+ len = cbFrameLength;
+
switch (byDurType) {
case DATADUR_B: /* DATADUR_B */
- if (((uMACfragNum == 1)) || bLastFrag) {/* Non Frag or Last Frag */
- if (bNeedAck) {
- uAckTime = BBuGetFrameTime(pDevice->byPreambleType, byPktType, 14, pDevice->byTopCCKBasicRate);
- return pDevice->uSIFS + uAckTime;
- } else {
+ if (bNeedAck) {
+ uAckTime = bb_get_frame_time(pDevice->byPreambleType,
+ byPktType, 14,
+ pDevice->byTopCCKBasicRate);
+ }
+ /* Non Frag or Last Frag */
+ if ((uMACfragNum == 1) || bLastFrag) {
+ if (!bNeedAck)
return 0;
- }
- } else {/* First Frag or Mid Frag */
- if (uFragIdx == (uMACfragNum - 2))
- uNextPktTime = s_uGetTxRsvTime(pDevice, byPktType, cbLastFragmentSize, wRate, bNeedAck);
- else
- uNextPktTime = s_uGetTxRsvTime(pDevice, byPktType, cbFrameLength, wRate, bNeedAck);
-
- if (bNeedAck) {
- uAckTime = BBuGetFrameTime(pDevice->byPreambleType, byPktType, 14, pDevice->byTopCCKBasicRate);
- return pDevice->uSIFS + uAckTime + uNextPktTime;
- } else {
- return pDevice->uSIFS + uNextPktTime;
- }
+ } else {
+ /* First Frag or Mid Frag */
+ uNextPktTime = s_uGetTxRsvTime(pDevice, byPktType,
+ len, wRate, bNeedAck);
}
- break;
+
+ return pDevice->uSIFS + uAckTime + uNextPktTime;
case DATADUR_A: /* DATADUR_A */
- if (((uMACfragNum == 1)) || bLastFrag) {/* Non Frag or Last Frag */
- if (bNeedAck) {
- uAckTime = BBuGetFrameTime(pDevice->byPreambleType, byPktType, 14, pDevice->byTopOFDMBasicRate);
- return pDevice->uSIFS + uAckTime;
- } else {
+ if (bNeedAck) {
+ uAckTime = bb_get_frame_time(pDevice->byPreambleType,
+ byPktType, 14,
+ pDevice->byTopOFDMBasicRate);
+ }
+ /* Non Frag or Last Frag */
+ if ((uMACfragNum == 1) || bLastFrag) {
+ if (!bNeedAck)
return 0;
- }
- } else {/* First Frag or Mid Frag */
- if (uFragIdx == (uMACfragNum - 2))
- uNextPktTime = s_uGetTxRsvTime(pDevice, byPktType, cbLastFragmentSize, wRate, bNeedAck);
- else
- uNextPktTime = s_uGetTxRsvTime(pDevice, byPktType, cbFrameLength, wRate, bNeedAck);
-
- if (bNeedAck) {
- uAckTime = BBuGetFrameTime(pDevice->byPreambleType, byPktType, 14, pDevice->byTopOFDMBasicRate);
- return pDevice->uSIFS + uAckTime + uNextPktTime;
- } else {
- return pDevice->uSIFS + uNextPktTime;
- }
+ } else {
+ /* First Frag or Mid Frag */
+ uNextPktTime = s_uGetTxRsvTime(pDevice, byPktType,
+ len, wRate, bNeedAck);
}
- break;
+
+ return pDevice->uSIFS + uAckTime + uNextPktTime;
case DATADUR_A_F0: /* DATADUR_A_F0 */
- if (((uMACfragNum == 1)) || bLastFrag) {/* Non Frag or Last Frag */
- if (bNeedAck) {
- uAckTime = BBuGetFrameTime(pDevice->byPreambleType, byPktType, 14, pDevice->byTopOFDMBasicRate);
- return pDevice->uSIFS + uAckTime;
- } else {
+ case DATADUR_A_F1: /* DATADUR_A_F1 */
+ if (bNeedAck) {
+ uAckTime = bb_get_frame_time(pDevice->byPreambleType,
+ byPktType, 14,
+ pDevice->byTopOFDMBasicRate);
+ }
+ /* Non Frag or Last Frag */
+ if ((uMACfragNum == 1) || bLastFrag) {
+ if (!bNeedAck)
return 0;
- }
- } else { /* First Frag or Mid Frag */
- if (byFBOption == AUTO_FB_0) {
- if (wRate < RATE_18M)
- wRate = RATE_18M;
- else if (wRate > RATE_54M)
- wRate = RATE_54M;
-
- if (uFragIdx == (uMACfragNum - 2))
- uNextPktTime = s_uGetTxRsvTime(pDevice, byPktType, cbLastFragmentSize, wFB_Opt0[FB_RATE0][wRate-RATE_18M], bNeedAck);
- else
- uNextPktTime = s_uGetTxRsvTime(pDevice, byPktType, cbFrameLength, wFB_Opt0[FB_RATE0][wRate-RATE_18M], bNeedAck);
-
- } else { /* (byFBOption == AUTO_FB_1) */
- if (wRate < RATE_18M)
- wRate = RATE_18M;
- else if (wRate > RATE_54M)
- wRate = RATE_54M;
-
- if (uFragIdx == (uMACfragNum - 2))
- uNextPktTime = s_uGetTxRsvTime(pDevice, byPktType, cbLastFragmentSize, wFB_Opt1[FB_RATE0][wRate-RATE_18M], bNeedAck);
- else
- uNextPktTime = s_uGetTxRsvTime(pDevice, byPktType, cbFrameLength, wFB_Opt1[FB_RATE0][wRate-RATE_18M], bNeedAck);
- }
+ } else {
+ /* First Frag or Mid Frag */
+ if (wRate < RATE_18M)
+ wRate = RATE_18M;
+ else if (wRate > RATE_54M)
+ wRate = RATE_54M;
- if (bNeedAck) {
- uAckTime = BBuGetFrameTime(pDevice->byPreambleType, byPktType, 14, pDevice->byTopOFDMBasicRate);
- return pDevice->uSIFS + uAckTime + uNextPktTime;
- } else {
- return pDevice->uSIFS + uNextPktTime;
- }
- }
- break;
+ wRate -= RATE_18M;
- case DATADUR_A_F1: /* DATADUR_A_F1 */
- if (((uMACfragNum == 1)) || bLastFrag) { /* Non Frag or Last Frag */
- if (bNeedAck) {
- uAckTime = BBuGetFrameTime(pDevice->byPreambleType, byPktType, 14, pDevice->byTopOFDMBasicRate);
- return pDevice->uSIFS + uAckTime;
- } else {
- return 0;
- }
- } else { /* First Frag or Mid Frag */
- if (byFBOption == AUTO_FB_0) {
- if (wRate < RATE_18M)
- wRate = RATE_18M;
- else if (wRate > RATE_54M)
- wRate = RATE_54M;
-
- if (uFragIdx == (uMACfragNum - 2))
- uNextPktTime = s_uGetTxRsvTime(pDevice, byPktType, cbLastFragmentSize, wFB_Opt0[FB_RATE1][wRate-RATE_18M], bNeedAck);
- else
- uNextPktTime = s_uGetTxRsvTime(pDevice, byPktType, cbFrameLength, wFB_Opt0[FB_RATE1][wRate-RATE_18M], bNeedAck);
-
- } else { /* (byFBOption == AUTO_FB_1) */
- if (wRate < RATE_18M)
- wRate = RATE_18M;
- else if (wRate > RATE_54M)
- wRate = RATE_54M;
-
- if (uFragIdx == (uMACfragNum - 2))
- uNextPktTime = s_uGetTxRsvTime(pDevice, byPktType, cbLastFragmentSize, wFB_Opt1[FB_RATE1][wRate-RATE_18M], bNeedAck);
- else
- uNextPktTime = s_uGetTxRsvTime(pDevice, byPktType, cbFrameLength, wFB_Opt1[FB_RATE1][wRate-RATE_18M], bNeedAck);
- }
- if (bNeedAck) {
- uAckTime = BBuGetFrameTime(pDevice->byPreambleType, byPktType, 14, pDevice->byTopOFDMBasicRate);
- return pDevice->uSIFS + uAckTime + uNextPktTime;
- } else {
- return pDevice->uSIFS + uNextPktTime;
- }
+ if (byFBOption == AUTO_FB_0)
+ wRate = wFB_Opt0[FB_RATE0][wRate];
+ else
+ wRate = wFB_Opt1[FB_RATE0][wRate];
+
+ uNextPktTime = s_uGetTxRsvTime(pDevice, byPktType,
+ len, wRate, bNeedAck);
}
- break;
+
+ return pDevice->uSIFS + uAckTime + uNextPktTime;
default:
break;
@@ -396,17 +350,17 @@ s_uGetRTSCTSDuration(
switch (byDurType) {
case RTSDUR_BB: /* RTSDuration_bb */
- uCTSTime = BBuGetFrameTime(pDevice->byPreambleType, byPktType, 14, pDevice->byTopCCKBasicRate);
+ uCTSTime = bb_get_frame_time(pDevice->byPreambleType, byPktType, 14, pDevice->byTopCCKBasicRate);
uDurTime = uCTSTime + 2 * pDevice->uSIFS + s_uGetTxRsvTime(pDevice, byPktType, cbFrameLength, wRate, bNeedAck);
break;
case RTSDUR_BA: /* RTSDuration_ba */
- uCTSTime = BBuGetFrameTime(pDevice->byPreambleType, byPktType, 14, pDevice->byTopCCKBasicRate);
+ uCTSTime = bb_get_frame_time(pDevice->byPreambleType, byPktType, 14, pDevice->byTopCCKBasicRate);
uDurTime = uCTSTime + 2 * pDevice->uSIFS + s_uGetTxRsvTime(pDevice, byPktType, cbFrameLength, wRate, bNeedAck);
break;
case RTSDUR_AA: /* RTSDuration_aa */
- uCTSTime = BBuGetFrameTime(pDevice->byPreambleType, byPktType, 14, pDevice->byTopOFDMBasicRate);
+ uCTSTime = bb_get_frame_time(pDevice->byPreambleType, byPktType, 14, pDevice->byTopOFDMBasicRate);
uDurTime = uCTSTime + 2 * pDevice->uSIFS + s_uGetTxRsvTime(pDevice, byPktType, cbFrameLength, wRate, bNeedAck);
break;
@@ -415,7 +369,7 @@ s_uGetRTSCTSDuration(
break;
case RTSDUR_BA_F0: /* RTSDuration_ba_f0 */
- uCTSTime = BBuGetFrameTime(pDevice->byPreambleType, byPktType, 14, pDevice->byTopCCKBasicRate);
+ uCTSTime = bb_get_frame_time(pDevice->byPreambleType, byPktType, 14, pDevice->byTopCCKBasicRate);
if ((byFBOption == AUTO_FB_0) && (wRate >= RATE_18M) && (wRate <= RATE_54M))
uDurTime = uCTSTime + 2 * pDevice->uSIFS + s_uGetTxRsvTime(pDevice, byPktType, cbFrameLength, wFB_Opt0[FB_RATE0][wRate-RATE_18M], bNeedAck);
else if ((byFBOption == AUTO_FB_1) && (wRate >= RATE_18M) && (wRate <= RATE_54M))
@@ -424,7 +378,7 @@ s_uGetRTSCTSDuration(
break;
case RTSDUR_AA_F0: /* RTSDuration_aa_f0 */
- uCTSTime = BBuGetFrameTime(pDevice->byPreambleType, byPktType, 14, pDevice->byTopOFDMBasicRate);
+ uCTSTime = bb_get_frame_time(pDevice->byPreambleType, byPktType, 14, pDevice->byTopOFDMBasicRate);
if ((byFBOption == AUTO_FB_0) && (wRate >= RATE_18M) && (wRate <= RATE_54M))
uDurTime = uCTSTime + 2 * pDevice->uSIFS + s_uGetTxRsvTime(pDevice, byPktType, cbFrameLength, wFB_Opt0[FB_RATE0][wRate-RATE_18M], bNeedAck);
else if ((byFBOption == AUTO_FB_1) && (wRate >= RATE_18M) && (wRate <= RATE_54M))
@@ -433,7 +387,7 @@ s_uGetRTSCTSDuration(
break;
case RTSDUR_BA_F1: /* RTSDuration_ba_f1 */
- uCTSTime = BBuGetFrameTime(pDevice->byPreambleType, byPktType, 14, pDevice->byTopCCKBasicRate);
+ uCTSTime = bb_get_frame_time(pDevice->byPreambleType, byPktType, 14, pDevice->byTopCCKBasicRate);
if ((byFBOption == AUTO_FB_0) && (wRate >= RATE_18M) && (wRate <= RATE_54M))
uDurTime = uCTSTime + 2*pDevice->uSIFS + s_uGetTxRsvTime(pDevice, byPktType, cbFrameLength, wFB_Opt0[FB_RATE1][wRate-RATE_18M], bNeedAck);
else if ((byFBOption == AUTO_FB_1) && (wRate >= RATE_18M) && (wRate <= RATE_54M))
@@ -442,7 +396,7 @@ s_uGetRTSCTSDuration(
break;
case RTSDUR_AA_F1: /* RTSDuration_aa_f1 */
- uCTSTime = BBuGetFrameTime(pDevice->byPreambleType, byPktType, 14, pDevice->byTopOFDMBasicRate);
+ uCTSTime = bb_get_frame_time(pDevice->byPreambleType, byPktType, 14, pDevice->byTopOFDMBasicRate);
if ((byFBOption == AUTO_FB_0) && (wRate >= RATE_18M) && (wRate <= RATE_54M))
uDurTime = uCTSTime + 2 * pDevice->uSIFS + s_uGetTxRsvTime(pDevice, byPktType, cbFrameLength, wFB_Opt0[FB_RATE1][wRate-RATE_18M], bNeedAck);
else if ((byFBOption == AUTO_FB_1) && (wRate >= RATE_18M) && (wRate <= RATE_54M))
@@ -1040,16 +994,14 @@ s_cbFillTxBufHead(struct vnt_private *pDevice, unsigned char byPktType,
bool bRTS = (bool)(fifo_ctl & FIFOCTL_RTS);
struct vnt_tx_desc *ptdCurr;
unsigned int cbHeaderLength = 0;
- void *pvRrvTime;
- struct vnt_mic_hdr *pMICHDR;
- void *pvRTS;
- void *pvCTS;
- void *pvTxDataHd;
+ void *pvRrvTime = NULL;
+ struct vnt_mic_hdr *pMICHDR = NULL;
+ void *pvRTS = NULL;
+ void *pvCTS = NULL;
+ void *pvTxDataHd = NULL;
unsigned short wTxBufSize; /* FFinfo size */
unsigned char byFBOption = AUTO_FB_NONE;
- pvRrvTime = pMICHDR = pvRTS = pvCTS = pvTxDataHd = NULL;
-
cbFrameSize = skb->len + 4;
if (info->control.hw_key) {
generated by cgit v1.2.3 (git 2.39.0) at 2024-08-07 10:09:24 +0300