diff options
| -rw-r--r-- | drivers/staging/vt6656/rxtx.c | 68 |
1 files changed, 39 insertions, 29 deletions
diff --git a/drivers/staging/vt6656/rxtx.c b/drivers/staging/vt6656/rxtx.c index 61028225e2a4..51fff896fcb5 100644 --- a/drivers/staging/vt6656/rxtx.c +++ b/drivers/staging/vt6656/rxtx.c @@ -118,8 +118,8 @@ static void s_vSWencryption(struct vnt_private *pDevice, static unsigned int s_uGetTxRsvTime(struct vnt_private *pDevice, u8 byPktType, u32 cbFrameLength, u16 wRate, int bNeedAck); -static u16 s_uGetRTSCTSRsvTime(struct vnt_private *pDevice, u8 byRTSRsvType, - u8 byPktType, u32 cbFrameLength, u16 wCurrentRate); +static u16 s_uGetRTSCTSRsvTime(struct vnt_private *priv, + u8 rsv_type, u8 pkt_type, u32 frame_lenght, u16 current_rate); static u16 s_vFillCTSHead(struct vnt_private *pDevice, u32 uDMAIdx, u8 byPktType, union vnt_tx_data_head *head, u32 cbFrameLength, @@ -367,37 +367,47 @@ static u16 vnt_rxtx_rsvtime_le16(struct vnt_private *priv, u8 pkt_type, } //byFreqType: 0=>5GHZ 1=>2.4GHZ -static u16 s_uGetRTSCTSRsvTime(struct vnt_private *pDevice, - u8 byRTSRsvType, u8 byPktType, u32 cbFrameLength, u16 wCurrentRate) +static u16 s_uGetRTSCTSRsvTime(struct vnt_private *priv, + u8 rsv_type, u8 pkt_type, u32 frame_lenght, u16 current_rate) { - u32 uRrvTime, uRTSTime, uCTSTime, uAckTime, uDataTime; + u32 rrv_time, rts_time, cts_time, ack_time, data_time; - uRrvTime = uRTSTime = uCTSTime = uAckTime = uDataTime = 0; + rrv_time = rts_time = cts_time = ack_time = data_time = 0; - uDataTime = BBuGetFrameTime(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); - } - 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 - 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 - uCTSTime = BBuGetFrameTime(pDevice->byPreambleType, byPktType, 14, pDevice->byTopCCKBasicRate); - uAckTime = BBuGetFrameTime(pDevice->byPreambleType, byPktType, 14, pDevice->byTopOFDMBasicRate); - uRrvTime = uCTSTime + uAckTime + uDataTime + 2*pDevice->uSIFS; - return uRrvTime; - } + data_time = BBuGetFrameTime(priv->byPreambleType, pkt_type, + frame_lenght, current_rate); + + if (rsv_type == 0) { + rts_time = BBuGetFrameTime(priv->byPreambleType, + pkt_type, 20, priv->byTopCCKBasicRate); + cts_time = ack_time = BBuGetFrameTime(priv->byPreambleType, + pkt_type, 14, priv->byTopCCKBasicRate); + } else if (rsv_type == 1) { + rts_time = BBuGetFrameTime(priv->byPreambleType, + pkt_type, 20, priv->byTopCCKBasicRate); + cts_time = BBuGetFrameTime(priv->byPreambleType, pkt_type, + 14, priv->byTopCCKBasicRate); + ack_time = BBuGetFrameTime(priv->byPreambleType, pkt_type, + 14, priv->byTopOFDMBasicRate); + } else if (rsv_type == 2) { + rts_time = BBuGetFrameTime(priv->byPreambleType, pkt_type, + 20, priv->byTopOFDMBasicRate); + cts_time = ack_time = BBuGetFrameTime(priv->byPreambleType, + pkt_type, 14, priv->byTopOFDMBasicRate); + } else if (rsv_type == 3) { + cts_time = BBuGetFrameTime(priv->byPreambleType, pkt_type, + 14, priv->byTopCCKBasicRate); + ack_time = BBuGetFrameTime(priv->byPreambleType, pkt_type, + 14, priv->byTopOFDMBasicRate); + + rrv_time = cts_time + ack_time + data_time + 2 * priv->uSIFS; + + return rrv_time; + } + + rrv_time = rts_time + cts_time + ack_time + data_time + 3 * priv->uSIFS; - //RTSRrvTime - uRrvTime = uRTSTime + uCTSTime + uAckTime + uDataTime + 3*pDevice->uSIFS; - return cpu_to_le16((u16)uRrvTime); + return cpu_to_le16((u16)rrv_time); } //byFreqType 0: 5GHz, 1:2.4Ghz |