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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.c209
1 files changed, 105 insertions, 104 deletions
diff --git a/drivers/staging/vt6655/rxtx.c b/drivers/staging/vt6655/rxtx.c
index 07ce3fd88e70..74687761bd2e 100644
--- a/drivers/staging/vt6655/rxtx.c
+++ b/drivers/staging/vt6655/rxtx.c
@@ -64,21 +64,21 @@
/*--------------------- Static Functions --------------------------*/
/*--------------------- Static Definitions -------------------------*/
-#define CRITICAL_PACKET_LEN 256 // if packet size < 256 -> in-direct send
- // packet size >= 256 -> direct send
+#define CRITICAL_PACKET_LEN 256 /* if packet size < 256 -> in-direct send
+ packet size >= 256 -> direct send */
static const unsigned short wTimeStampOff[2][MAX_RATE] = {
- {384, 288, 226, 209, 54, 43, 37, 31, 28, 25, 24, 23}, // Long Preamble
- {384, 192, 130, 113, 54, 43, 37, 31, 28, 25, 24, 23}, // Short Preamble
+ {384, 288, 226, 209, 54, 43, 37, 31, 28, 25, 24, 23}, /* Long Preamble */
+ {384, 192, 130, 113, 54, 43, 37, 31, 28, 25, 24, 23}, /* Short Preamble */
};
static const unsigned short wFB_Opt0[2][5] = {
- {RATE_12M, RATE_18M, RATE_24M, RATE_36M, RATE_48M}, // fallback_rate0
- {RATE_12M, RATE_12M, RATE_18M, RATE_24M, RATE_36M}, // fallback_rate1
+ {RATE_12M, RATE_18M, RATE_24M, RATE_36M, RATE_48M}, /* fallback_rate0 */
+ {RATE_12M, RATE_12M, RATE_18M, RATE_24M, RATE_36M}, /* fallback_rate1 */
};
static const unsigned short wFB_Opt1[2][5] = {
- {RATE_12M, RATE_18M, RATE_24M, RATE_24M, RATE_36M}, // fallback_rate0
- {RATE_6M , RATE_6M, RATE_12M, RATE_12M, RATE_18M}, // fallback_rate1
+ {RATE_12M, RATE_18M, RATE_24M, RATE_24M, RATE_36M}, /* fallback_rate0 */
+ {RATE_6M , RATE_6M, RATE_12M, RATE_12M, RATE_18M}, /* fallback_rate1 */
};
#define RTSDUR_BB 0
@@ -116,7 +116,7 @@ void
s_vGenerateTxParameter(
struct vnt_private *pDevice,
unsigned char byPktType,
- void *pTxBufHead,
+ struct vnt_tx_fifo_head *,
void *pvRrvTime,
void *pvRTS,
void *pvCTS,
@@ -176,9 +176,9 @@ s_uGetTxRsvTime(
unsigned int uDataTime, uAckTime;
uDataTime = BBuGetFrameTime(pDevice->byPreambleType, byPktType, cbFrameLength, wRate);
- if (byPktType == PK_TYPE_11B) //llb,CCK mode
+ 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
+ else /* 11g 2.4G OFDM mode & 11a 5G OFDM mode */
uAckTime = BBuGetFrameTime(pDevice->byPreambleType, byPktType, 14, (unsigned short)pDevice->byTopOFDMBasicRate);
if (bNeedAck)
@@ -194,7 +194,7 @@ static __le16 vnt_rxtx_rsvtime_le16(struct vnt_private *priv, u8 pkt_type,
frame_length, rate, need_ack));
}
-//byFreqType: 0=>5GHZ 1=>2.4GHZ
+/* byFreqType: 0=>5GHZ 1=>2.4GHZ */
static
__le16
s_uGetRTSCTSRsvTime(
@@ -210,29 +210,29 @@ s_uGetRTSCTSRsvTime(
uRrvTime = uRTSTime = uCTSTime = uAckTime = uDataTime = 0;
uDataTime = BBuGetFrameTime(pDevice->byPreambleType, byPktType, cbFrameLength, wCurrentRate);
- if (byRTSRsvType == 0) { //RTSTxRrvTime_bb
+ if (byRTSRsvType == 0) { /* RTSTxRrvTime_bb */
uRTSTime = BBuGetFrameTime(pDevice->byPreambleType, byPktType, 20, pDevice->byTopCCKBasicRate);
uCTSTime = uAckTime = BBuGetFrameTime(pDevice->byPreambleType, byPktType, 14, pDevice->byTopCCKBasicRate);
- } else if (byRTSRsvType == 1) { //RTSTxRrvTime_ba, only in 2.4GHZ
+ } 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);
- } else if (byRTSRsvType == 2) { //RTSTxRrvTime_aa
+ } else if (byRTSRsvType == 2) { /* RTSTxRrvTime_aa */
uRTSTime = BBuGetFrameTime(pDevice->byPreambleType, byPktType, 20, pDevice->byTopOFDMBasicRate);
uCTSTime = uAckTime = BBuGetFrameTime(pDevice->byPreambleType, byPktType, 14, pDevice->byTopOFDMBasicRate);
- } else if (byRTSRsvType == 3) { //CTSTxRrvTime_ba, only in 2.4GHZ
+ } 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);
uRrvTime = uCTSTime + uAckTime + uDataTime + 2*pDevice->uSIFS;
return cpu_to_le16((u16)uRrvTime);
}
- //RTSRrvTime
+ /* RTSRrvTime */
uRrvTime = uRTSTime + uCTSTime + uAckTime + uDataTime + 3*pDevice->uSIFS;
return cpu_to_le16((u16)uRrvTime);
}
-//byFreqType 0: 5GHz, 1:2.4Ghz
+/* byFreqType 0: 5GHz, 1:2.4Ghz */
static
unsigned int
s_uGetDataDuration(
@@ -248,22 +248,22 @@ s_uGetDataDuration(
unsigned char byFBOption
)
{
- bool bLastFrag = 0;
+ bool bLastFrag = false;
unsigned int uAckTime = 0, uNextPktTime = 0;
if (uFragIdx == (uMACfragNum-1))
- bLastFrag = 1;
+ bLastFrag = true;
switch (byDurType) {
- case DATADUR_B: //DATADUR_B
- if (((uMACfragNum == 1)) || bLastFrag) {//Non Frag or Last Frag
+ 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 {
return 0;
}
- } else {//First Frag or Mid Frag
+ } else {/* First Frag or Mid Frag */
if (uFragIdx == (uMACfragNum-2))
uNextPktTime = s_uGetTxRsvTime(pDevice, byPktType, cbLastFragmentSize, wRate, bNeedAck);
else
@@ -278,15 +278,15 @@ s_uGetDataDuration(
}
break;
- case DATADUR_A: //DATADUR_A
- if (((uMACfragNum == 1)) || bLastFrag) {//Non Frag or Last Frag
+ 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 {
return 0;
}
- } else {//First Frag or Mid Frag
+ } else {/* First Frag or Mid Frag */
if (uFragIdx == (uMACfragNum-2))
uNextPktTime = s_uGetTxRsvTime(pDevice, byPktType, cbLastFragmentSize, wRate, bNeedAck);
else
@@ -301,15 +301,15 @@ s_uGetDataDuration(
}
break;
- case DATADUR_A_F0: //DATADUR_A_F0
- if (((uMACfragNum == 1)) || bLastFrag) {//Non Frag or Last Frag
+ 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 {
return 0;
}
- } else { //First Frag or Mid Frag
+ } else { /* First Frag or Mid Frag */
if (byFBOption == AUTO_FB_0) {
if (wRate < RATE_18M)
wRate = RATE_18M;
@@ -321,7 +321,7 @@ s_uGetDataDuration(
else
uNextPktTime = s_uGetTxRsvTime(pDevice, byPktType, cbFrameLength, wFB_Opt0[FB_RATE0][wRate-RATE_18M], bNeedAck);
- } else { // (byFBOption == AUTO_FB_1)
+ } else { /* (byFBOption == AUTO_FB_1) */
if (wRate < RATE_18M)
wRate = RATE_18M;
else if (wRate > RATE_54M)
@@ -343,15 +343,15 @@ s_uGetDataDuration(
}
break;
- case DATADUR_A_F1: //DATADUR_A_F1
- if (((uMACfragNum == 1)) || bLastFrag) {//Non Frag or Last Frag
+ 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
+ } else { /* First Frag or Mid Frag */
if (byFBOption == AUTO_FB_0) {
if (wRate < RATE_18M)
wRate = RATE_18M;
@@ -363,7 +363,7 @@ s_uGetDataDuration(
else
uNextPktTime = s_uGetTxRsvTime(pDevice, byPktType, cbFrameLength, wFB_Opt0[FB_RATE1][wRate-RATE_18M], bNeedAck);
- } else { // (byFBOption == AUTO_FB_1)
+ } else { /* (byFBOption == AUTO_FB_1) */
if (wRate < RATE_18M)
wRate = RATE_18M;
else if (wRate > RATE_54M)
@@ -391,7 +391,7 @@ s_uGetDataDuration(
return 0;
}
-//byFreqType: 0=>5GHZ 1=>2.4GHZ
+/* byFreqType: 0=>5GHZ 1=>2.4GHZ */
static
__le16
s_uGetRTSCTSDuration(
@@ -407,26 +407,26 @@ s_uGetRTSCTSDuration(
unsigned int uCTSTime = 0, uDurTime = 0;
switch (byDurType) {
- case RTSDUR_BB: //RTSDuration_bb
+ case RTSDUR_BB: /* RTSDuration_bb */
uCTSTime = BBuGetFrameTime(pDevice->byPreambleType, byPktType, 14, pDevice->byTopCCKBasicRate);
uDurTime = uCTSTime + 2*pDevice->uSIFS + s_uGetTxRsvTime(pDevice, byPktType, cbFrameLength, wRate, bNeedAck);
break;
- case RTSDUR_BA: //RTSDuration_ba
+ case RTSDUR_BA: /* RTSDuration_ba */
uCTSTime = BBuGetFrameTime(pDevice->byPreambleType, byPktType, 14, pDevice->byTopCCKBasicRate);
uDurTime = uCTSTime + 2*pDevice->uSIFS + s_uGetTxRsvTime(pDevice, byPktType, cbFrameLength, wRate, bNeedAck);
break;
- case RTSDUR_AA: //RTSDuration_aa
+ case RTSDUR_AA: /* RTSDuration_aa */
uCTSTime = BBuGetFrameTime(pDevice->byPreambleType, byPktType, 14, pDevice->byTopOFDMBasicRate);
uDurTime = uCTSTime + 2*pDevice->uSIFS + s_uGetTxRsvTime(pDevice, byPktType, cbFrameLength, wRate, bNeedAck);
break;
- case CTSDUR_BA: //CTSDuration_ba
+ case CTSDUR_BA: /* CTSDuration_ba */
uDurTime = pDevice->uSIFS + s_uGetTxRsvTime(pDevice, byPktType, cbFrameLength, wRate, bNeedAck);
break;
- case RTSDUR_BA_F0: //RTSDuration_ba_f0
+ case RTSDUR_BA_F0: /* RTSDuration_ba_f0 */
uCTSTime = BBuGetFrameTime(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);
@@ -435,7 +435,7 @@ s_uGetRTSCTSDuration(
break;
- case RTSDUR_AA_F0: //RTSDuration_aa_f0
+ case RTSDUR_AA_F0: /* RTSDuration_aa_f0 */
uCTSTime = BBuGetFrameTime(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);
@@ -444,7 +444,7 @@ s_uGetRTSCTSDuration(
break;
- case RTSDUR_BA_F1: //RTSDuration_ba_f1
+ case RTSDUR_BA_F1: /* RTSDuration_ba_f1 */
uCTSTime = BBuGetFrameTime(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);
@@ -453,7 +453,7 @@ s_uGetRTSCTSDuration(
break;
- case RTSDUR_AA_F1: //RTSDuration_aa_f1
+ case RTSDUR_AA_F1: /* RTSDuration_aa_f1 */
uCTSTime = BBuGetFrameTime(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);
@@ -462,7 +462,7 @@ s_uGetRTSCTSDuration(
break;
- case CTSDUR_BA_F0: //CTSDuration_ba_f0
+ case CTSDUR_BA_F0: /* CTSDuration_ba_f0 */
if ((byFBOption == AUTO_FB_0) && (wRate >= RATE_18M) && (wRate <= RATE_54M))
uDurTime = 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))
@@ -470,7 +470,7 @@ s_uGetRTSCTSDuration(
break;
- case CTSDUR_BA_F1: //CTSDuration_ba_f1
+ case CTSDUR_BA_F1: /* CTSDuration_ba_f1 */
if ((byFBOption == AUTO_FB_0) && (wRate >= RATE_18M) && (wRate <= RATE_54M))
uDurTime = 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))
@@ -565,7 +565,7 @@ s_uFillDataHead(
buf->time_stamp_off_b = vnt_time_stamp_off(pDevice, pDevice->byTopCCKBasicRate);
return buf->duration_a;
- } //if (byFBOption == AUTO_FB_NONE)
+ } /* if (byFBOption == AUTO_FB_NONE) */
} else if (byPktType == PK_TYPE_11A) {
if ((byFBOption != AUTO_FB_NONE)) {
/* Auto Fallback */
@@ -651,13 +651,13 @@ s_vFillRTSHead(
return;
if (bDisCRC) {
- // When CRCDIS bit is on, H/W forgot to generate FCS for RTS frame,
- // in this case we need to decrease its length by 4.
+ /* When CRCDIS bit is on, H/W forgot to generate FCS for RTS frame,
+ in this case we need to decrease its length by 4. */
uRTSFrameLen -= 4;
}
- // Note: So far RTSHead dosen't appear in ATIM & Beacom DMA, so we don't need to take them into account.
- // Otherwise, we need to modify codes for them.
+ /* Note: So far RTSHead dosen't appear in ATIM & Beacom DMA, so we don't need to take them into account.
+ Otherwise, we need to modify codes for them. */
if (byPktType == PK_TYPE_11GB || byPktType == PK_TYPE_11GA) {
if (byFBOption == AUTO_FB_NONE) {
struct vnt_rts_g *buf = pvRTS;
@@ -748,7 +748,7 @@ s_vFillRTSHead(
ether_addr_copy(buf->data.ra, hdr->addr1);
ether_addr_copy(buf->data.ta, hdr->addr2);
- } // if (byFBOption == AUTO_FB_NONE)
+ } /* if (byFBOption == AUTO_FB_NONE) */
} else if (byPktType == PK_TYPE_11A) {
if (byFBOption == AUTO_FB_NONE) {
struct vnt_rts_ab *buf = pvRTS;
@@ -843,14 +843,14 @@ s_vFillCTSHead(
return;
if (bDisCRC) {
- // When CRCDIS bit is on, H/W forgot to generate FCS for CTS frame,
- // in this case we need to decrease its length by 4.
+ /* When CRCDIS bit is on, H/W forgot to generate FCS for CTS frame,
+ in this case we need to decrease its length by 4. */
uCTSFrameLen -= 4;
}
if (byPktType == PK_TYPE_11GB || byPktType == PK_TYPE_11GA) {
if (byFBOption != AUTO_FB_NONE && uDMAIdx != TYPE_ATIMDMA && uDMAIdx != TYPE_BEACONDMA) {
- // Auto Fall back
+ /* Auto Fall back */
struct vnt_cts_fb *buf = pvCTS;
/* Get SignalField, ServiceField & Length */
vnt_get_phy_field(pDevice, uCTSFrameLen,
@@ -888,7 +888,7 @@ s_vFillCTSHead(
ether_addr_copy(buf->data.ra,
pDevice->abyCurrentNetAddr);
- } else { //if (byFBOption != AUTO_FB_NONE && uDMAIdx != TYPE_ATIMDMA && uDMAIdx != TYPE_BEACONDMA)
+ } else { /* if (byFBOption != AUTO_FB_NONE && uDMAIdx != TYPE_ATIMDMA && uDMAIdx != TYPE_BEACONDMA) */
struct vnt_cts *buf = pvCTS;
/* Get SignalField, ServiceField & Length */
vnt_get_phy_field(pDevice, uCTSFrameLen,
@@ -937,14 +937,14 @@ s_vFillCTSHead(
*
* Return Value: none
*
- -*/
-// unsigned int cbFrameSize,//Hdr+Payload+FCS
+ -
+ * unsigned int cbFrameSize, Hdr+Payload+FCS */
static
void
s_vGenerateTxParameter(
struct vnt_private *pDevice,
unsigned char byPktType,
- void *pTxBufHead,
+ struct vnt_tx_fifo_head *tx_buffer_head,
void *pvRrvTime,
void *pvRTS,
void *pvCTS,
@@ -955,29 +955,26 @@ s_vGenerateTxParameter(
unsigned short wCurrentRate
)
{
- unsigned short wFifoCtl;
+ u16 fifo_ctl = le16_to_cpu(tx_buffer_head->fifo_ctl);
bool bDisCRC = false;
unsigned char byFBOption = AUTO_FB_NONE;
- PSTxBufHead pFifoHead = (PSTxBufHead)pTxBufHead;
-
- pFifoHead->wReserved = wCurrentRate;
- wFifoCtl = pFifoHead->wFIFOCtl;
+ tx_buffer_head->current_rate = cpu_to_le16(wCurrentRate);
- if (wFifoCtl & FIFOCTL_CRCDIS)
+ if (fifo_ctl & FIFOCTL_CRCDIS)
bDisCRC = true;
- if (wFifoCtl & FIFOCTL_AUTO_FB_0)
+ if (fifo_ctl & FIFOCTL_AUTO_FB_0)
byFBOption = AUTO_FB_0;
- else if (wFifoCtl & FIFOCTL_AUTO_FB_1)
+ else if (fifo_ctl & FIFOCTL_AUTO_FB_1)
byFBOption = AUTO_FB_1;
if (!pvRrvTime)
return;
if (byPktType == PK_TYPE_11GB || byPktType == PK_TYPE_11GA) {
- if (pvRTS != NULL) { //RTS_need
- /* Fill RsvTime */
+ if (pvRTS != NULL) { /* RTS_need
+ Fill RsvTime */
struct vnt_rrv_time_rts *buf = pvRrvTime;
buf->rts_rrv_time_aa = s_uGetRTSCTSRsvTime(pDevice, 2, byPktType, cbFrameSize, wCurrentRate);
@@ -987,40 +984,40 @@ s_vGenerateTxParameter(
buf->rrv_time_b = vnt_rxtx_rsvtime_le16(pDevice, PK_TYPE_11B, cbFrameSize, pDevice->byTopCCKBasicRate, bNeedACK);
s_vFillRTSHead(pDevice, byPktType, pvRTS, cbFrameSize, bNeedACK, bDisCRC, psEthHeader, wCurrentRate, byFBOption);
- } else {//RTS_needless, PCF mode
+ } else {/* RTS_needless, PCF mode */
struct vnt_rrv_time_cts *buf = pvRrvTime;
buf->rrv_time_a = vnt_rxtx_rsvtime_le16(pDevice, byPktType, cbFrameSize, wCurrentRate, bNeedACK);
buf->rrv_time_b = vnt_rxtx_rsvtime_le16(pDevice, PK_TYPE_11B, cbFrameSize, pDevice->byTopCCKBasicRate, bNeedACK);
buf->cts_rrv_time_ba = s_uGetRTSCTSRsvTime(pDevice, 3, byPktType, cbFrameSize, wCurrentRate);
- //Fill CTS
+ /* Fill CTS */
s_vFillCTSHead(pDevice, uDMAIdx, byPktType, pvCTS, cbFrameSize, bNeedACK, bDisCRC, wCurrentRate, byFBOption);
}
} else if (byPktType == PK_TYPE_11A) {
- if (pvRTS != NULL) {//RTS_need, non PCF mode
+ if (pvRTS != NULL) {/* RTS_need, non PCF mode */
struct vnt_rrv_time_ab *buf = pvRrvTime;
buf->rts_rrv_time = s_uGetRTSCTSRsvTime(pDevice, 2, byPktType, cbFrameSize, wCurrentRate);
buf->rrv_time = vnt_rxtx_rsvtime_le16(pDevice, byPktType, cbFrameSize, wCurrentRate, bNeedACK);
- //Fill RTS
+ /* Fill RTS */
s_vFillRTSHead(pDevice, byPktType, pvRTS, cbFrameSize, bNeedACK, bDisCRC, psEthHeader, wCurrentRate, byFBOption);
- } else if (pvRTS == NULL) {//RTS_needless, non PCF mode
+ } else if (pvRTS == NULL) {/* RTS_needless, non PCF mode */
struct vnt_rrv_time_ab *buf = pvRrvTime;
buf->rrv_time = vnt_rxtx_rsvtime_le16(pDevice, PK_TYPE_11A, cbFrameSize, wCurrentRate, bNeedACK);
}
} else if (byPktType == PK_TYPE_11B) {
- if ((pvRTS != NULL)) {//RTS_need, non PCF mode
+ if ((pvRTS != NULL)) {/* RTS_need, non PCF mode */
struct vnt_rrv_time_ab *buf = pvRrvTime;
buf->rts_rrv_time = s_uGetRTSCTSRsvTime(pDevice, 0, byPktType, cbFrameSize, wCurrentRate);
buf->rrv_time = vnt_rxtx_rsvtime_le16(pDevice, PK_TYPE_11B, cbFrameSize, wCurrentRate, bNeedACK);
- //Fill RTS
+ /* Fill RTS */
s_vFillRTSHead(pDevice, byPktType, pvRTS, cbFrameSize, bNeedACK, bDisCRC, psEthHeader, wCurrentRate, byFBOption);
- } else { //RTS_needless, non PCF mode
+ } else { /* RTS_needless, non PCF mode */
struct vnt_rrv_time_ab *buf = pvRrvTime;
buf->rrv_time = vnt_rxtx_rsvtime_le16(pDevice, PK_TYPE_11B, cbFrameSize, wCurrentRate, bNeedACK);
@@ -1058,7 +1055,7 @@ s_cbFillTxBufHead(struct vnt_private *pDevice, unsigned char byPktType,
void *pvRTS;
void *pvCTS;
void *pvTxDataHd;
- unsigned short wTxBufSize; // FFinfo size
+ unsigned short wTxBufSize; /* FFinfo size */
unsigned char byFBOption = AUTO_FB_NONE;
pvRrvTime = pMICHDR = pvRTS = pvCTS = pvTxDataHd = NULL;
@@ -1076,27 +1073,27 @@ s_cbFillTxBufHead(struct vnt_private *pDevice, unsigned char byPktType,
cbFrameSize += info->control.hw_key->icv_len;
if (pDevice->byLocalID > REV_ID_VT3253_A1) {
- //MAC Header should be padding 0 to DW alignment.
+ /* MAC Header should be padding 0 to DW alignment. */
uPadding = 4 - (ieee80211_get_hdrlen_from_skb(skb) % 4);
uPadding %= 4;
}
}
- //
- // Use for AUTO FALL BACK
- //
+ /*
+ * Use for AUTO FALL BACK
+ */
if (fifo_ctl & FIFOCTL_AUTO_FB_0)
byFBOption = AUTO_FB_0;
else if (fifo_ctl & FIFOCTL_AUTO_FB_1)
byFBOption = AUTO_FB_1;
- //////////////////////////////////////////////////////
- //Set RrvTime/RTS/CTS Buffer
+
+ /* Set RrvTime/RTS/CTS Buffer */
wTxBufSize = sizeof(STxBufHead);
- if (byPktType == PK_TYPE_11GB || byPktType == PK_TYPE_11GA) {//802.11g packet
+ if (byPktType == PK_TYPE_11GB || byPktType == PK_TYPE_11GA) {/* 802.11g packet */
if (byFBOption == AUTO_FB_NONE) {
- if (bRTS == true) {//RTS_need
+ if (bRTS == true) {/* RTS_need */
pvRrvTime = (void *)(pbyTxBufferAddr + wTxBufSize);
pMICHDR = (struct vnt_mic_hdr *)(pbyTxBufferAddr + wTxBufSize + sizeof(struct vnt_rrv_time_rts));
pvRTS = (void *)(pbyTxBufferAddr + wTxBufSize + sizeof(struct vnt_rrv_time_rts) + cbMICHDR);
@@ -1106,7 +1103,7 @@ s_cbFillTxBufHead(struct vnt_private *pDevice, unsigned char byPktType,
cbHeaderLength = wTxBufSize + sizeof(struct vnt_rrv_time_rts) +
cbMICHDR + sizeof(struct vnt_rts_g) +
sizeof(struct vnt_tx_datahead_g);
- } else { //RTS_needless
+ } else { /* RTS_needless */
pvRrvTime = (void *)(pbyTxBufferAddr + wTxBufSize);
pMICHDR = (struct vnt_mic_hdr *) (pbyTxBufferAddr + wTxBufSize + sizeof(struct vnt_rrv_time_cts));
pvRTS = NULL;
@@ -1117,8 +1114,8 @@ s_cbFillTxBufHead(struct vnt_private *pDevice, unsigned char byPktType,
cbMICHDR + sizeof(struct vnt_cts) + sizeof(struct vnt_tx_datahead_g);
}
} else {
- // Auto Fall Back
- if (bRTS == true) {//RTS_need
+ /* Auto Fall Back */
+ if (bRTS == true) {/* RTS_need */
pvRrvTime = (void *)(pbyTxBufferAddr + wTxBufSize);
pMICHDR = (struct vnt_mic_hdr *) (pbyTxBufferAddr + wTxBufSize + sizeof(struct vnt_rrv_time_rts));
pvRTS = (void *) (pbyTxBufferAddr + wTxBufSize + sizeof(struct vnt_rrv_time_rts) + cbMICHDR);
@@ -1127,7 +1124,7 @@ s_cbFillTxBufHead(struct vnt_private *pDevice, unsigned char byPktType,
cbMICHDR + sizeof(struct vnt_rts_g_fb));
cbHeaderLength = wTxBufSize + sizeof(struct vnt_rrv_time_rts) +
cbMICHDR + sizeof(struct vnt_rts_g_fb) + sizeof(struct vnt_tx_datahead_g_fb);
- } else { //RTS_needless
+ } else { /* RTS_needless */
pvRrvTime = (void *)(pbyTxBufferAddr + wTxBufSize);
pMICHDR = (struct vnt_mic_hdr *) (pbyTxBufferAddr + wTxBufSize + sizeof(struct vnt_rrv_time_cts));
pvRTS = NULL;
@@ -1137,8 +1134,8 @@ s_cbFillTxBufHead(struct vnt_private *pDevice, unsigned char byPktType,
cbHeaderLength = wTxBufSize + sizeof(struct vnt_rrv_time_cts) +
cbMICHDR + sizeof(struct vnt_cts_fb) + sizeof(struct vnt_tx_datahead_g_fb);
}
- } // Auto Fall Back
- } else {//802.11a/b packet
+ } /* Auto Fall Back */
+ } else {/* 802.11a/b packet */
if (byFBOption == AUTO_FB_NONE) {
if (bRTS == true) {
@@ -1150,7 +1147,7 @@ s_cbFillTxBufHead(struct vnt_private *pDevice, unsigned char byPktType,
sizeof(struct vnt_rrv_time_ab) + cbMICHDR + sizeof(struct vnt_rts_ab));
cbHeaderLength = wTxBufSize + sizeof(struct vnt_rrv_time_ab) +
cbMICHDR + sizeof(struct vnt_rts_ab) + sizeof(struct vnt_tx_datahead_ab);
- } else { //RTS_needless, need MICHDR
+ } else { /* RTS_needless, need MICHDR */
pvRrvTime = (void *)(pbyTxBufferAddr + wTxBufSize);
pMICHDR = (struct vnt_mic_hdr *) (pbyTxBufferAddr + wTxBufSize + sizeof(struct vnt_rrv_time_ab));
pvRTS = NULL;
@@ -1160,8 +1157,8 @@ s_cbFillTxBufHead(struct vnt_private *pDevice, unsigned char byPktType,
cbMICHDR + sizeof(struct vnt_tx_datahead_ab);
}
} else {
- // Auto Fall Back
- if (bRTS == true) {//RTS_need
+ /* Auto Fall Back */
+ if (bRTS == true) { /* RTS_need */
pvRrvTime = (void *)(pbyTxBufferAddr + wTxBufSize);
pMICHDR = (struct vnt_mic_hdr *) (pbyTxBufferAddr + wTxBufSize + sizeof(struct vnt_rrv_time_ab));
pvRTS = (void *)(pbyTxBufferAddr + wTxBufSize + sizeof(struct vnt_rrv_time_ab) + cbMICHDR);
@@ -1170,7 +1167,7 @@ s_cbFillTxBufHead(struct vnt_private *pDevice, unsigned char byPktType,
sizeof(struct vnt_rrv_time_ab) + cbMICHDR + sizeof(struct vnt_rts_a_fb));
cbHeaderLength = wTxBufSize + sizeof(struct vnt_rrv_time_ab) +
cbMICHDR + sizeof(struct vnt_rts_a_fb) + sizeof(struct vnt_tx_datahead_a_fb);
- } else { //RTS_needless
+ } else { /* RTS_needless */
pvRrvTime = (void *)(pbyTxBufferAddr + wTxBufSize);
pMICHDR = (struct vnt_mic_hdr *)(pbyTxBufferAddr + wTxBufSize + sizeof(struct vnt_rrv_time_ab));
pvRTS = NULL;
@@ -1179,7 +1176,7 @@ s_cbFillTxBufHead(struct vnt_private *pDevice, unsigned char byPktType,
cbHeaderLength = wTxBufSize + sizeof(struct vnt_rrv_time_ab) +
cbMICHDR + sizeof(struct vnt_tx_datahead_a_fb);
}
- } // Auto Fall Back
+ } /* Auto Fall Back */
}
td_info->mic_hdr = pMICHDR;
@@ -1308,10 +1305,18 @@ int vnt_generate_fifo_header(struct vnt_private *priv, u32 dma_idx,
priv->hw->conf.chandef.chan->hw_value);
}
- if (current_rate > RATE_11M)
- pkt_type = (u8)priv->byPacketType;
- else
+ if (current_rate > RATE_11M) {
+ if (info->band == IEEE80211_BAND_5GHZ) {
+ pkt_type = PK_TYPE_11A;
+ } else {
+ if (tx_rate->flags & IEEE80211_TX_RC_USE_CTS_PROTECT)
+ pkt_type = PK_TYPE_11GB;
+ else
+ pkt_type = PK_TYPE_11GA;
+ }
+ } else {
pkt_type = PK_TYPE_11B;
+ }
/*Set fifo controls */
if (pkt_type == PK_TYPE_11A)
@@ -1505,8 +1510,6 @@ int vnt_beacon_make(struct vnt_private *priv, struct ieee80211_vif *vif)
int vnt_beacon_enable(struct vnt_private *priv, struct ieee80211_vif *vif,
struct ieee80211_bss_conf *conf)
{
- int ret;
-
VNSvOutPortB(priv->PortOffset + MAC_REG_TFTCTL, TFTCTL_TSFCNTRST);
VNSvOutPortB(priv->PortOffset + MAC_REG_TFTCTL, TFTCTL_TSFCNTREN);
@@ -1515,7 +1518,5 @@ int vnt_beacon_enable(struct vnt_private *priv, struct ieee80211_vif *vif,
CARDbSetBeaconPeriod(priv, conf->beacon_int);
- ret = vnt_beacon_make(priv, vif);
-
- return ret;
+ return vnt_beacon_make(priv, vif);
}
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.