From 5634a5ab6a5e530a3481846aae167a6649b3853f Mon Sep 17 00:00:00 2001 From: Malcolm Priestley Date: Tue, 1 Oct 2013 16:00:20 +0100 Subject: [PATCH] staging: vt6656: rxtx.c parse out vnt_rxtx_datahead_ab Parse struct vnt_tx_datahead_ab from s_uFillDataHead and move to struct vnt_rts_ab structure returning duration down functions. Both are returned in s_uFillDataHead at this stage as pvTxDataHd is only null in s_bPacketToWirelessUsb. Signed-off-by: Malcolm Priestley Signed-off-by: Greg Kroah-Hartman --- drivers/staging/vt6656/rxtx.c | 53 +++++++++++++++++------------------ drivers/staging/vt6656/rxtx.h | 1 + 2 files changed, 27 insertions(+), 27 deletions(-) diff --git a/drivers/staging/vt6656/rxtx.c b/drivers/staging/vt6656/rxtx.c index 5344009f1edd..190c91c43f84 100644 --- a/drivers/staging/vt6656/rxtx.c +++ b/drivers/staging/vt6656/rxtx.c @@ -571,6 +571,20 @@ static u16 vnt_rxtx_datahead_a_fb(struct vnt_private *priv, u8 pkt_type, return buf->wDuration; } +static u16 vnt_rxtx_datahead_ab(struct vnt_private *priv, u8 pkt_type, + u16 rate, struct vnt_tx_datahead_ab *buf, + u32 frame_len, int need_ack) +{ + /* Get SignalField,ServiceField,Length */ + BBvCalculateParameter(priv, frame_len, rate, pkt_type, &buf->ab); + /* Get Duration and TimeStampOff */ + buf->wDuration = s_uGetDataDuration(priv, pkt_type, need_ack); + + buf->wTimeStampOff = vnt_time_stamp_off(priv, rate); + + return buf->wDuration; +} + static u32 s_uFillDataHead(struct vnt_private *pDevice, u8 byPktType, u16 wCurrentRate, void *pTxDataHead, u32 cbFrameLength, u32 uDMAIdx, int bNeedAck, u8 byFBOption) @@ -583,28 +597,16 @@ static u32 s_uFillDataHead(struct vnt_private *pDevice, if (byPktType == PK_TYPE_11A) { struct vnt_tx_datahead_ab *pBuf = (struct vnt_tx_datahead_ab *)pTxDataHead; - //Get SignalField,ServiceField,Length - BBvCalculateParameter(pDevice, cbFrameLength, wCurrentRate, - byPktType, &pBuf->ab); - //Get Duration and TimeStampOff - pBuf->wDuration = s_uGetDataDuration(pDevice, - byPktType, bNeedAck); - pBuf->wTimeStampOff = vnt_time_stamp_off(pDevice, - wCurrentRate); - return (pBuf->wDuration); + + return vnt_rxtx_datahead_ab(pDevice, byPktType, wCurrentRate, + pBuf, cbFrameLength, bNeedAck); } else if (byPktType == PK_TYPE_11B) { struct vnt_tx_datahead_ab *pBuf = (struct vnt_tx_datahead_ab *)pTxDataHead; - //Get SignalField,ServiceField,Length - BBvCalculateParameter(pDevice, cbFrameLength, wCurrentRate, - byPktType, &pBuf->ab); - //Get Duration and TimeStampOff - pBuf->wDuration = s_uGetDataDuration(pDevice, - byPktType, bNeedAck); - pBuf->wTimeStampOff = vnt_time_stamp_off(pDevice, - wCurrentRate); - return (pBuf->wDuration); + + return vnt_rxtx_datahead_ab(pDevice, byPktType, wCurrentRate, + pBuf, cbFrameLength, bNeedAck); } return 0; } @@ -705,7 +707,8 @@ static u16 vnt_rxtx_rts_ab_head(struct vnt_private *priv, vnt_fill_ieee80211_rts(priv, &buf->data, eth_hdr, buf->wDuration); - return 0; + return vnt_rxtx_datahead_ab(priv, pkt_type, current_rate, + &buf->data_head, frame_len, need_ack); } static u16 vnt_rxtx_rts_a_fb_head(struct vnt_private *priv, @@ -766,7 +769,7 @@ static u16 s_vFillRTSHead(struct vnt_private *pDevice, u8 byPktType, break; } case PK_TYPE_11B: - vnt_rxtx_rts_ab_head(pDevice, &head->rts_ab, + return vnt_rxtx_rts_ab_head(pDevice, &head->rts_ab, psEthHeader, byPktType, cbFrameLength, bNeedAck, wCurrentRate, byFBOption); } @@ -949,7 +952,7 @@ static u16 s_vGenerateTxParameter(struct vnt_private *pDevice, cbFrameSize, wCurrentRate, bNeedACK); /* Fill RTS */ - s_vFillRTSHead(pDevice, byPktType, head, cbFrameSize, + return s_vFillRTSHead(pDevice, byPktType, head, cbFrameSize, bNeedACK, psEthHeader, wCurrentRate, byFBOption); } else { //Fill RsvTime @@ -980,7 +983,7 @@ static u16 s_vGenerateTxParameter(struct vnt_private *pDevice, } /* Fill RTS */ - s_vFillRTSHead(pDevice, byPktType, head, cbFrameSize, + return s_vFillRTSHead(pDevice, byPktType, head, cbFrameSize, bNeedACK, psEthHeader, wCurrentRate, byFBOption); } else { //RTS_needless, non PCF mode @@ -1181,12 +1184,8 @@ static int s_bPacketToWirelessUsb(struct vnt_private *pDevice, u8 byPktType, else {//802.11a/b packet if (byFBOption == AUTO_FB_NONE) { if (bRTS == true) {//RTS_need - pvTxDataHd = (struct vnt_tx_datahead_ab *)(pbyTxBufferAddr + - wTxBufSize + 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); + cbMICHDR + sizeof(struct vnt_rts_ab); } else if (bRTS == false) { //RTS_needless, no MICHDR pvTxDataHd = (struct vnt_tx_datahead_ab *)(pbyTxBufferAddr + diff --git a/drivers/staging/vt6656/rxtx.h b/drivers/staging/vt6656/rxtx.h index d8f25d19030c..d905b972360c 100644 --- a/drivers/staging/vt6656/rxtx.h +++ b/drivers/staging/vt6656/rxtx.h @@ -140,6 +140,7 @@ struct vnt_rts_ab { u16 wDuration; u16 wReserved; struct ieee80211_rts data; + struct vnt_tx_datahead_ab data_head; } __packed; struct vnt_rts_a_fb { -- 2.39.5