diff options
Diffstat (limited to 'drivers/staging/vt6656/rxtx.c')
| -rw-r--r-- | drivers/staging/vt6656/rxtx.c | 850 |
1 files changed, 382 insertions, 468 deletions
diff --git a/drivers/staging/vt6656/rxtx.c b/drivers/staging/vt6656/rxtx.c index fb743a8811bb..35a3ddb41a6a 100644 --- a/drivers/staging/vt6656/rxtx.c +++ b/drivers/staging/vt6656/rxtx.c @@ -98,21 +98,18 @@ static void s_vSaveTxPktInfo(struct vnt_private *pDevice, u8 byPktNum, static void *s_vGetFreeContext(struct vnt_private *pDevice); -static void s_vGenerateTxParameter(struct vnt_private *pDevice, - u8 byPktType, u16 wCurrentRate, void *pTxBufHead, void *pvRrvTime, - void *rts_cts, u32 cbFrameSize, int bNeedACK, u32 uDMAIdx, - struct ethhdr *psEthHeader, bool need_rts); - -static u32 s_uFillDataHead(struct vnt_private *pDevice, - u8 byPktType, u16 wCurrentRate, void *pTxDataHead, u32 cbFrameLength, - u32 uDMAIdx, int bNeedAck, u8 byFBOption); +static u16 s_vGenerateTxParameter(struct vnt_private *pDevice, + u8 byPktType, u16 wCurrentRate, struct vnt_tx_buffer *tx_buffer, + struct vnt_mic_hdr **mic_hdr, u32 need_mic, u32 cbFrameSize, + int bNeedACK, u32 uDMAIdx, struct ethhdr *psEthHeader, bool need_rts); static void s_vGenerateMACHeader(struct vnt_private *pDevice, u8 *pbyBufferAddr, u16 wDuration, struct ethhdr *psEthHeader, int bNeedEncrypt, u16 wFragType, u32 uDMAIdx, u32 uFragIdx); -static void s_vFillTxKey(struct vnt_private *pDevice, u8 *pbyBuf, - u8 *pbyIVHead, PSKeyItem pTransmitKey, u8 *pbyHdrBuf, u16 wPayloadLen, +static void s_vFillTxKey(struct vnt_private *pDevice, + struct vnt_tx_fifo_head *fifo_head, u8 *pbyIVHead, + PSKeyItem pTransmitKey, u8 *pbyHdrBuf, u16 wPayloadLen, struct vnt_mic_hdr *mic_hdr); static void s_vSWencryption(struct vnt_private *pDevice, @@ -124,11 +121,11 @@ static unsigned int s_uGetTxRsvTime(struct vnt_private *pDevice, u8 byPktType, static u16 s_uGetRTSCTSRsvTime(struct vnt_private *pDevice, u8 byRTSRsvType, u8 byPktType, u32 cbFrameLength, u16 wCurrentRate); -static void s_vFillCTSHead(struct vnt_private *pDevice, u32 uDMAIdx, +static u16 s_vFillCTSHead(struct vnt_private *pDevice, u32 uDMAIdx, u8 byPktType, union vnt_tx_data_head *head, u32 cbFrameLength, int bNeedAck, u16 wCurrentRate, u8 byFBOption); -static void s_vFillRTSHead(struct vnt_private *pDevice, u8 byPktType, +static u16 s_vFillRTSHead(struct vnt_private *pDevice, u8 byPktType, union vnt_tx_data_head *head, u32 cbFrameLength, int bNeedAck, struct ethhdr *psEthHeader, u16 wCurrentRate, u8 byFBOption); @@ -148,6 +145,8 @@ static void *s_vGetFreeContext(struct vnt_private *pDevice) DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"GetFreeContext()\n"); for (ii = 0; ii < pDevice->cbTD; ii++) { + if (!pDevice->apTD[ii]) + return NULL; pContext = pDevice->apTD[ii]; if (pContext->bBoolInUse == false) { pContext->bBoolInUse = true; @@ -181,10 +180,12 @@ static void s_vSaveTxPktInfo(struct vnt_private *pDevice, u8 byPktNum, ETH_ALEN); } -static void s_vFillTxKey(struct vnt_private *pDevice, u8 *pbyBuf, - u8 *pbyIVHead, PSKeyItem pTransmitKey, u8 *pbyHdrBuf, - u16 wPayloadLen, struct vnt_mic_hdr *mic_hdr) +static void s_vFillTxKey(struct vnt_private *pDevice, + struct vnt_tx_fifo_head *fifo_head, u8 *pbyIVHead, + PSKeyItem pTransmitKey, u8 *pbyHdrBuf, u16 wPayloadLen, + struct vnt_mic_hdr *mic_hdr) { + u8 *pbyBuf = (u8 *)&fifo_head->adwTxKey[0]; u32 *pdwIV = (u32 *)pbyIVHead; u32 *pdwExtIV = (u32 *)((u8 *)pbyIVHead + 4); struct ieee80211_hdr *pMACHeader = (struct ieee80211_hdr *)pbyHdrBuf; @@ -429,185 +430,114 @@ static u16 s_uGetRTSCTSDuration(struct vnt_private *pDevice, u8 byDurType, { u32 uCTSTime = 0, uDurTime = 0; - switch (byDurType) { + switch (byDurType) { + case RTSDUR_BB: + case RTSDUR_BA: + case RTSDUR_BA_F0: + case RTSDUR_BA_F1: + uCTSTime = BBuGetFrameTime(pDevice->byPreambleType, byPktType, + 14, pDevice->byTopCCKBasicRate); + uDurTime = uCTSTime + 2 * pDevice->uSIFS + + s_uGetTxRsvTime(pDevice, byPktType, + cbFrameLength, wRate, bNeedAck); + break; - 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_AA: + case RTSDUR_AA_F0: + case RTSDUR_AA_F1: + uCTSTime = BBuGetFrameTime(pDevice->byPreambleType, byPktType, + 14, pDevice->byTopOFDMBasicRate); + 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); - uDurTime = uCTSTime + 2*pDevice->uSIFS + s_uGetTxRsvTime(pDevice, byPktType, cbFrameLength, wRate, bNeedAck); - break; + case CTSDUR_BA: + case CTSDUR_BA_F0: + case CTSDUR_BA_F1: + uDurTime = pDevice->uSIFS + s_uGetTxRsvTime(pDevice, + byPktType, cbFrameLength, wRate, bNeedAck); + break; - 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; + default: + break; + } - case CTSDUR_BA: //CTSDuration_ba - uDurTime = pDevice->uSIFS + s_uGetTxRsvTime(pDevice, byPktType, cbFrameLength, wRate, bNeedAck); - break; + return cpu_to_le16((u16)uDurTime); +} - 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); - } else if ((byFBOption == AUTO_FB_1) && (wRate >= RATE_18M) && (wRate <=RATE_54M)) { - uDurTime = uCTSTime + 2*pDevice->uSIFS + s_uGetTxRsvTime(pDevice, byPktType, cbFrameLength, wFB_Opt1[FB_RATE0][wRate-RATE_18M], bNeedAck); - } - break; - - 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); - } else if ((byFBOption == AUTO_FB_1) && (wRate >= RATE_18M) && (wRate <=RATE_54M)) { - uDurTime = uCTSTime + 2*pDevice->uSIFS + s_uGetTxRsvTime(pDevice, byPktType, cbFrameLength, wFB_Opt1[FB_RATE0][wRate-RATE_18M], bNeedAck); - } - break; +static u16 vnt_rxtx_datahead_g(struct vnt_private *priv, u8 pkt_type, u16 rate, + struct vnt_tx_datahead_g *buf, u32 frame_len, int need_ack) +{ + /* Get SignalField,ServiceField,Length */ + BBvCalculateParameter(priv, frame_len, rate, pkt_type, &buf->a); + BBvCalculateParameter(priv, frame_len, priv->byTopCCKBasicRate, + PK_TYPE_11B, &buf->b); - 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); - } else if ((byFBOption == AUTO_FB_1) && (wRate >= RATE_18M) && (wRate <=RATE_54M)) { - uDurTime = uCTSTime + 2*pDevice->uSIFS + s_uGetTxRsvTime(pDevice, byPktType, cbFrameLength, wFB_Opt1[FB_RATE1][wRate-RATE_18M], bNeedAck); - } - break; - - 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); - } else if ((byFBOption == AUTO_FB_1) && (wRate >= RATE_18M) && (wRate <=RATE_54M)) { - uDurTime = uCTSTime + 2*pDevice->uSIFS + s_uGetTxRsvTime(pDevice, byPktType, cbFrameLength, wFB_Opt1[FB_RATE1][wRate-RATE_18M], bNeedAck); - } - break; + /* Get Duration and TimeStamp */ + buf->wDuration_a = s_uGetDataDuration(priv, pkt_type, need_ack); + buf->wDuration_b = s_uGetDataDuration(priv, PK_TYPE_11B, need_ack); - 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)) { - uDurTime = pDevice->uSIFS + s_uGetTxRsvTime(pDevice, byPktType, cbFrameLength, wFB_Opt1[FB_RATE0][wRate-RATE_18M], bNeedAck); - } - break; + buf->wTimeStampOff_a = vnt_time_stamp_off(priv, rate); + buf->wTimeStampOff_b = vnt_time_stamp_off(priv, + priv->byTopCCKBasicRate); - 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)) { - uDurTime = pDevice->uSIFS + s_uGetTxRsvTime(pDevice, byPktType, cbFrameLength, wFB_Opt1[FB_RATE1][wRate-RATE_18M], bNeedAck); - } - break; + return buf->wDuration_a; +} - default: - break; - } +static u16 vnt_rxtx_datahead_g_fb(struct vnt_private *priv, u8 pkt_type, + u16 rate, struct vnt_tx_datahead_g_fb *buf, + u32 frame_len, int need_ack) +{ + /* Get SignalField,ServiceField,Length */ + BBvCalculateParameter(priv, frame_len, rate, pkt_type, &buf->a); - return cpu_to_le16((u16)uDurTime); + BBvCalculateParameter(priv, frame_len, priv->byTopCCKBasicRate, + PK_TYPE_11B, &buf->b); + + /* Get Duration and TimeStamp */ + buf->wDuration_a = s_uGetDataDuration(priv, pkt_type, need_ack); + buf->wDuration_b = s_uGetDataDuration(priv, PK_TYPE_11B, need_ack); + + buf->wDuration_a_f0 = s_uGetDataDuration(priv, pkt_type, need_ack); + buf->wDuration_a_f1 = s_uGetDataDuration(priv, pkt_type, need_ack); + + buf->wTimeStampOff_a = vnt_time_stamp_off(priv, rate); + buf->wTimeStampOff_b = vnt_time_stamp_off(priv, + priv->byTopCCKBasicRate); + + return buf->wDuration_a; } -static u32 s_uFillDataHead(struct vnt_private *pDevice, - u8 byPktType, u16 wCurrentRate, void *pTxDataHead, u32 cbFrameLength, - u32 uDMAIdx, int bNeedAck, u8 byFBOption) +static u16 vnt_rxtx_datahead_a_fb(struct vnt_private *priv, u8 pkt_type, + u16 rate, struct vnt_tx_datahead_a_fb *buf, + u32 frame_len, int need_ack) { + /* Get SignalField,ServiceField,Length */ + BBvCalculateParameter(priv, frame_len, rate, pkt_type, &buf->a); + /* Get Duration and TimeStampOff */ + buf->wDuration = s_uGetDataDuration(priv, pkt_type, need_ack); - if (pTxDataHead == NULL) { - return 0; - } + buf->wDuration_f0 = s_uGetDataDuration(priv, pkt_type, need_ack); + buf->wDuration_f1 = s_uGetDataDuration(priv, pkt_type, need_ack); - if (byPktType == PK_TYPE_11GB || byPktType == PK_TYPE_11GA) { - if (byFBOption == AUTO_FB_NONE) { - struct vnt_tx_datahead_g *pBuf = - (struct vnt_tx_datahead_g *)pTxDataHead; - //Get SignalField,ServiceField,Length - BBvCalculateParameter(pDevice, cbFrameLength, wCurrentRate, - byPktType, &pBuf->a); - BBvCalculateParameter(pDevice, cbFrameLength, - pDevice->byTopCCKBasicRate, PK_TYPE_11B, &pBuf->b); - //Get Duration and TimeStamp - pBuf->wDuration_a = s_uGetDataDuration(pDevice, - byPktType, bNeedAck); - pBuf->wDuration_b = s_uGetDataDuration(pDevice, - PK_TYPE_11B, bNeedAck); - - pBuf->wTimeStampOff_a = vnt_time_stamp_off(pDevice, - wCurrentRate); - pBuf->wTimeStampOff_b = vnt_time_stamp_off(pDevice, - pDevice->byTopCCKBasicRate); - return (pBuf->wDuration_a); - } else { - // Auto Fallback - struct vnt_tx_datahead_g_fb *pBuf = - (struct vnt_tx_datahead_g_fb *)pTxDataHead; - //Get SignalField,ServiceField,Length - BBvCalculateParameter(pDevice, cbFrameLength, wCurrentRate, - byPktType, &pBuf->a); - BBvCalculateParameter(pDevice, cbFrameLength, - pDevice->byTopCCKBasicRate, PK_TYPE_11B, &pBuf->b); - //Get Duration and TimeStamp - pBuf->wDuration_a = s_uGetDataDuration(pDevice, - byPktType, bNeedAck); - pBuf->wDuration_b = s_uGetDataDuration(pDevice, - PK_TYPE_11B, bNeedAck); - pBuf->wDuration_a_f0 = s_uGetDataDuration(pDevice, - byPktType, bNeedAck); - pBuf->wDuration_a_f1 = s_uGetDataDuration(pDevice, - byPktType, bNeedAck); - pBuf->wTimeStampOff_a = vnt_time_stamp_off(pDevice, - wCurrentRate); - pBuf->wTimeStampOff_b = vnt_time_stamp_off(pDevice, - pDevice->byTopCCKBasicRate); - return (pBuf->wDuration_a); - } //if (byFBOption == AUTO_FB_NONE) - } - else if (byPktType == PK_TYPE_11A) { - if (byFBOption != AUTO_FB_NONE) { - struct vnt_tx_datahead_a_fb *pBuf = - (struct vnt_tx_datahead_a_fb *)pTxDataHead; - //Get SignalField,ServiceField,Length - BBvCalculateParameter(pDevice, cbFrameLength, wCurrentRate, - byPktType, &pBuf->a); - //Get Duration and TimeStampOff - pBuf->wDuration = s_uGetDataDuration(pDevice, - byPktType, bNeedAck); - pBuf->wDuration_f0 = s_uGetDataDuration(pDevice, - byPktType, bNeedAck); - pBuf->wDuration_f1 = s_uGetDataDuration(pDevice, - byPktType, bNeedAck); - pBuf->wTimeStampOff = vnt_time_stamp_off(pDevice, - wCurrentRate); - return (pBuf->wDuration); - } else { - 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); - } - } - 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 0; + buf->wTimeStampOff = vnt_time_stamp_off(priv, rate); + + 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 int vnt_fill_ieee80211_rts(struct vnt_private *priv, @@ -630,7 +560,7 @@ static int vnt_fill_ieee80211_rts(struct vnt_private *priv, return 0; } -static int vnt_rxtx_rts_g_head(struct vnt_private *priv, +static u16 vnt_rxtx_rts_g_head(struct vnt_private *priv, struct vnt_rts_g *buf, struct ethhdr *eth_hdr, u8 pkt_type, u32 frame_len, int need_ack, u16 current_rate, u8 fb_option) @@ -651,10 +581,11 @@ static int vnt_rxtx_rts_g_head(struct vnt_private *priv, vnt_fill_ieee80211_rts(priv, &buf->data, eth_hdr, buf->wDuration_aa); - return 0; + return vnt_rxtx_datahead_g(priv, pkt_type, current_rate, + &buf->data_head, frame_len, need_ack); } -static int vnt_rxtx_rts_g_fb_head(struct vnt_private *priv, +static u16 vnt_rxtx_rts_g_fb_head(struct vnt_private *priv, struct vnt_rts_g_fb *buf, struct ethhdr *eth_hdr, u8 pkt_type, u32 frame_len, int need_ack, u16 current_rate, u8 fb_option) @@ -676,20 +607,21 @@ static int vnt_rxtx_rts_g_fb_head(struct vnt_private *priv, buf->wRTSDuration_ba_f0 = s_uGetRTSCTSDuration(priv, RTSDUR_BA_F0, - frame_len, pkt_type, current_rate, need_ack, fb_option); + frame_len, pkt_type, priv->tx_rate_fb0, need_ack, fb_option); buf->wRTSDuration_aa_f0 = s_uGetRTSCTSDuration(priv, RTSDUR_AA_F0, - frame_len, pkt_type, current_rate, need_ack, fb_option); + frame_len, pkt_type, priv->tx_rate_fb0, need_ack, fb_option); buf->wRTSDuration_ba_f1 = s_uGetRTSCTSDuration(priv, RTSDUR_BA_F1, - frame_len, pkt_type, current_rate, need_ack, fb_option); + frame_len, pkt_type, priv->tx_rate_fb1, need_ack, fb_option); buf->wRTSDuration_aa_f1 = s_uGetRTSCTSDuration(priv, RTSDUR_AA_F1, - frame_len, pkt_type, current_rate, need_ack, fb_option); + frame_len, pkt_type, priv->tx_rate_fb1, need_ack, fb_option); vnt_fill_ieee80211_rts(priv, &buf->data, eth_hdr, buf->wDuration_aa); - return 0; + return vnt_rxtx_datahead_g_fb(priv, pkt_type, current_rate, + &buf->data_head, frame_len, need_ack); } -static int vnt_rxtx_rts_ab_head(struct vnt_private *priv, +static u16 vnt_rxtx_rts_ab_head(struct vnt_private *priv, struct vnt_rts_ab *buf, struct ethhdr *eth_hdr, u8 pkt_type, u32 frame_len, int need_ack, u16 current_rate, u8 fb_option) @@ -704,10 +636,11 @@ static int 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 int vnt_rxtx_rts_a_fb_head(struct vnt_private *priv, +static u16 vnt_rxtx_rts_a_fb_head(struct vnt_private *priv, struct vnt_rts_a_fb *buf, struct ethhdr *eth_hdr, u8 pkt_type, u32 frame_len, int need_ack, u16 current_rate, u8 fb_option) @@ -721,23 +654,24 @@ static int vnt_rxtx_rts_a_fb_head(struct vnt_private *priv, pkt_type, current_rate, need_ack, fb_option); buf->wRTSDuration_f0 = s_uGetRTSCTSDuration(priv, RTSDUR_AA_F0, - frame_len, pkt_type, current_rate, need_ack, fb_option); + frame_len, pkt_type, priv->tx_rate_fb0, need_ack, fb_option); buf->wRTSDuration_f1 = s_uGetRTSCTSDuration(priv, RTSDUR_AA_F1, - frame_len, pkt_type, current_rate, need_ack, fb_option); + frame_len, pkt_type, priv->tx_rate_fb1, need_ack, fb_option); vnt_fill_ieee80211_rts(priv, &buf->data, eth_hdr, buf->wDuration); - return 0; + return vnt_rxtx_datahead_a_fb(priv, pkt_type, current_rate, + &buf->data_head, frame_len, need_ack); } -static void s_vFillRTSHead(struct vnt_private *pDevice, u8 byPktType, +static u16 s_vFillRTSHead(struct vnt_private *pDevice, u8 byPktType, union vnt_tx_data_head *head, u32 cbFrameLength, int bNeedAck, struct ethhdr *psEthHeader, u16 wCurrentRate, u8 byFBOption) { if (!head) - return; + return 0; /* Note: So far RTSHead doesn't appear in ATIM * & Beacom DMA, so we don't need to take them @@ -748,36 +682,38 @@ static void s_vFillRTSHead(struct vnt_private *pDevice, u8 byPktType, case PK_TYPE_11GB: case PK_TYPE_11GA: if (byFBOption == AUTO_FB_NONE) - vnt_rxtx_rts_g_head(pDevice, &head->rts_g, + return vnt_rxtx_rts_g_head(pDevice, &head->rts_g, psEthHeader, byPktType, cbFrameLength, bNeedAck, wCurrentRate, byFBOption); else - vnt_rxtx_rts_g_fb_head(pDevice, &head->rts_g_fb, + return vnt_rxtx_rts_g_fb_head(pDevice, &head->rts_g_fb, psEthHeader, byPktType, cbFrameLength, bNeedAck, wCurrentRate, byFBOption); break; case PK_TYPE_11A: if (byFBOption) { - vnt_rxtx_rts_a_fb_head(pDevice, &head->rts_a_fb, + return vnt_rxtx_rts_a_fb_head(pDevice, &head->rts_a_fb, psEthHeader, byPktType, cbFrameLength, bNeedAck, wCurrentRate, byFBOption); 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); } + + return 0; } -static void s_vFillCTSHead(struct vnt_private *pDevice, u32 uDMAIdx, +static u16 s_vFillCTSHead(struct vnt_private *pDevice, u32 uDMAIdx, u8 byPktType, union vnt_tx_data_head *head, u32 cbFrameLength, int bNeedAck, u16 wCurrentRate, u8 byFBOption) { u32 uCTSFrameLen = 14; if (!head) - return; + return 0; if (byFBOption != AUTO_FB_NONE) { /* Auto Fall back */ @@ -790,16 +726,19 @@ static void s_vFillCTSHead(struct vnt_private *pDevice, u32 uDMAIdx, wCurrentRate, bNeedAck, byFBOption); /* Get CTSDuration_ba_f0 */ pBuf->wCTSDuration_ba_f0 = s_uGetRTSCTSDuration(pDevice, - CTSDUR_BA_F0, cbFrameLength, byPktType, wCurrentRate, - bNeedAck, byFBOption); + CTSDUR_BA_F0, cbFrameLength, byPktType, + pDevice->tx_rate_fb0, bNeedAck, byFBOption); /* Get CTSDuration_ba_f1 */ pBuf->wCTSDuration_ba_f1 = s_uGetRTSCTSDuration(pDevice, - CTSDUR_BA_F1, cbFrameLength, byPktType, wCurrentRate, - bNeedAck, byFBOption); + CTSDUR_BA_F1, cbFrameLength, byPktType, + pDevice->tx_rate_fb1, bNeedAck, byFBOption); /* Get CTS Frame body */ pBuf->data.duration = pBuf->wDuration_ba; pBuf->data.frame_control = TYPE_CTL_CTS; memcpy(pBuf->data.ra, pDevice->abyCurrentNetAddr, ETH_ALEN); + + return vnt_rxtx_datahead_g_fb(pDevice, byPktType, wCurrentRate, + &pBuf->data_head, cbFrameLength, bNeedAck); } else { struct vnt_cts *pBuf = &head->cts_g; /* Get SignalField,ServiceField,Length */ @@ -813,7 +752,12 @@ static void s_vFillCTSHead(struct vnt_private *pDevice, u32 uDMAIdx, pBuf->data.duration = pBuf->wDuration_ba; pBuf->data.frame_control = TYPE_CTL_CTS; memcpy(pBuf->data.ra, pDevice->abyCurrentNetAddr, ETH_ALEN); + + return vnt_rxtx_datahead_g(pDevice, byPktType, wCurrentRate, + &pBuf->data_head, cbFrameLength, bNeedAck); } + + return 0; } /*+ @@ -839,112 +783,160 @@ static void s_vFillCTSHead(struct vnt_private *pDevice, u32 uDMAIdx, * -*/ -static void s_vGenerateTxParameter(struct vnt_private *pDevice, - u8 byPktType, u16 wCurrentRate, void *pTxBufHead, void *pvRrvTime, - void *rts_cts, u32 cbFrameSize, int bNeedACK, u32 uDMAIdx, - struct ethhdr *psEthHeader, bool need_rts) +static u16 s_vGenerateTxParameter(struct vnt_private *pDevice, + u8 byPktType, u16 wCurrentRate, struct vnt_tx_buffer *tx_buffer, + struct vnt_mic_hdr **mic_hdr, u32 need_mic, u32 cbFrameSize, + int bNeedACK, u32 uDMAIdx, struct ethhdr *psEthHeader, bool need_rts) { - union vnt_tx_data_head *head = rts_cts; + struct vnt_tx_fifo_head *pFifoHead = &tx_buffer->fifo_head; + union vnt_tx_data_head *head = NULL; u32 cbMACHdLen = WLAN_HDR_ADDR3_LEN; /* 24 */ u16 wFifoCtl; u8 byFBOption = AUTO_FB_NONE; - //DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"s_vGenerateTxParameter...\n"); - PSTxBufHead pFifoHead = (PSTxBufHead)pTxBufHead; - pFifoHead->wReserved = wCurrentRate; - wFifoCtl = pFifoHead->wFIFOCtl; + pFifoHead->wReserved = wCurrentRate; + wFifoCtl = pFifoHead->wFIFOCtl; - if (wFifoCtl & FIFOCTL_AUTO_FB_0) { - byFBOption = AUTO_FB_0; - } - else if (wFifoCtl & FIFOCTL_AUTO_FB_1) { - byFBOption = AUTO_FB_1; - } + if (wFifoCtl & FIFOCTL_AUTO_FB_0) + byFBOption = AUTO_FB_0; + else if (wFifoCtl & FIFOCTL_AUTO_FB_1) + byFBOption = AUTO_FB_1; - if (!pvRrvTime) - return; + if (!pFifoHead) + return 0; - if (pDevice->bLongHeader) - cbMACHdLen = WLAN_HDR_ADDR3_LEN + 6; + if (pDevice->bLongHeader) + cbMACHdLen = WLAN_HDR_ADDR3_LEN + 6; - if (byPktType == PK_TYPE_11GB || byPktType == PK_TYPE_11GA) { - if (need_rts) { - //Fill RsvTime - struct vnt_rrv_time_rts *pBuf = - (struct vnt_rrv_time_rts *)pvRrvTime; - pBuf->wRTSTxRrvTime_aa = s_uGetRTSCTSRsvTime(pDevice, 2, - byPktType, cbFrameSize, wCurrentRate); - pBuf->wRTSTxRrvTime_ba = s_uGetRTSCTSRsvTime(pDevice, 1, - byPktType, cbFrameSize, wCurrentRate); - pBuf->wRTSTxRrvTime_bb = s_uGetRTSCTSRsvTime(pDevice, 0, - byPktType, cbFrameSize, wCurrentRate); - pBuf->wTxRrvTime_a = vnt_rxtx_rsvtime_le16(pDevice, - byPktType, cbFrameSize, wCurrentRate, bNeedACK); - pBuf->wTxRrvTime_b = vnt_rxtx_rsvtime_le16(pDevice, - PK_TYPE_11B, cbFrameSize, pDevice->byTopCCKBasicRate, - bNeedACK); - /* Fill RTS */ - s_vFillRTSHead(pDevice, byPktType, head, cbFrameSize, - bNeedACK, psEthHeader, wCurrentRate, byFBOption); - } - else {//RTS_needless, PCF mode - //Fill RsvTime - struct vnt_rrv_time_cts *pBuf = - (struct vnt_rrv_time_cts *)pvRrvTime; - pBuf->wTxRrvTime_a = vnt_rxtx_rsvtime_le16(pDevice, byPktType, - cbFrameSize, wCurrentRate, bNeedACK); - pBuf->wTxRrvTime_b = vnt_rxtx_rsvtime_le16(pDevice, - PK_TYPE_11B, cbFrameSize, - pDevice->byTopCCKBasicRate, bNeedACK); - pBuf->wCTSTxRrvTime_ba = s_uGetRTSCTSRsvTime(pDevice, 3, + if (byPktType == PK_TYPE_11GB || byPktType == PK_TYPE_11GA) { + if (need_rts) { + struct vnt_rrv_time_rts *pBuf = + &tx_buffer->tx_head.tx_rts.rts; + + pBuf->wRTSTxRrvTime_aa = s_uGetRTSCTSRsvTime(pDevice, 2, + byPktType, cbFrameSize, wCurrentRate); + pBuf->wRTSTxRrvTime_ba = s_uGetRTSCTSRsvTime(pDevice, 1, + byPktType, cbFrameSize, wCurrentRate); + pBuf->wRTSTxRrvTime_bb = s_uGetRTSCTSRsvTime(pDevice, 0, byPktType, cbFrameSize, wCurrentRate); - /* Fill CTS */ - s_vFillCTSHead(pDevice, uDMAIdx, byPktType, head, - cbFrameSize, bNeedACK, wCurrentRate, byFBOption); - } - } - else if (byPktType == PK_TYPE_11A) { - if (need_rts) { - //Fill RsvTime - struct vnt_rrv_time_ab *pBuf = - (struct vnt_rrv_time_ab *)pvRrvTime; - pBuf->wRTSTxRrvTime = s_uGetRTSCTSRsvTime(pDevice, 2, + + pBuf->wTxRrvTime_a = vnt_rxtx_rsvtime_le16(pDevice, + byPktType, cbFrameSize, wCurrentRate, bNeedACK); + pBuf->wTxRrvTime_b = vnt_rxtx_rsvtime_le16(pDevice, + PK_TYPE_11B, cbFrameSize, + pDevice->byTopCCKBasicRate, bNeedACK); + + if (need_mic) { + *mic_hdr = &tx_buffer-> + tx_head.tx_rts.tx.mic.hdr; + head = &tx_buffer->tx_head.tx_rts.tx.mic.head; + } else { + head = &tx_buffer->tx_head.tx_rts.tx.head; + } + + /* Fill RTS */ + return s_vFillRTSHead(pDevice, byPktType, head, + cbFrameSize, bNeedACK, psEthHeader, + wCurrentRate, byFBOption); + + } else { + struct vnt_rrv_time_cts *pBuf = &tx_buffer-> + tx_head.tx_cts.cts; + + pBuf->wTxRrvTime_a = vnt_rxtx_rsvtime_le16(pDevice, + byPktType, cbFrameSize, wCurrentRate, bNeedACK); + pBuf->wTxRrvTime_b = vnt_rxtx_rsvtime_le16(pDevice, + PK_TYPE_11B, cbFrameSize, + pDevice->byTopCCKBasicRate, bNeedACK); + + pBuf->wCTSTxRrvTime_ba = s_uGetRTSCTSRsvTime(pDevice, 3, + byPktType, cbFrameSize, wCurrentRate); + + if (need_mic) { + *mic_hdr = &tx_buffer-> + tx_head.tx_cts.tx.mic.hdr; + head = &tx_buffer->tx_head.tx_cts.tx.mic.head; + } else { + head = &tx_buffer->tx_head.tx_cts.tx.head; + } + + /* Fill CTS */ + return s_vFillCTSHead(pDevice, uDMAIdx, byPktType, + head, cbFrameSize, bNeedACK, wCurrentRate, + byFBOption); + } + } else if (byPktType == PK_TYPE_11A) { + if (need_mic) { + *mic_hdr = &tx_buffer->tx_head.tx_ab.tx.mic.hdr; + head = &tx_buffer->tx_head.tx_ab.tx.mic.head; + } else { + head = &tx_buffer->tx_head.tx_ab.tx.head; + } + + if (need_rts) { + struct vnt_rrv_time_ab *pBuf = &tx_buffer-> + tx_head.tx_ab.ab; + + pBuf->wRTSTxRrvTime = s_uGetRTSCTSRsvTime(pDevice, 2, byPktType, cbFrameSize, wCurrentRate); - pBuf->wTxRrvTime = vnt_rxtx_rsvtime_le16(pDevice, byPktType, - cbFrameSize, wCurrentRate, bNeedACK); - /* Fill RTS */ - s_vFillRTSHead(pDevice, byPktType, head, cbFrameSize, - bNeedACK, psEthHeader, wCurrentRate, byFBOption); - } else { - //Fill RsvTime - struct vnt_rrv_time_ab *pBuf = - (struct vnt_rrv_time_ab *)pvRrvTime; - pBuf->wTxRrvTime = vnt_rxtx_rsvtime_le16(pDevice, PK_TYPE_11A, - cbFrameSize, wCurrentRate, bNeedACK); - } - } - else if (byPktType == PK_TYPE_11B) { - if (need_rts) { - //Fill RsvTime - struct vnt_rrv_time_ab *pBuf = - (struct vnt_rrv_time_ab *)pvRrvTime; - pBuf->wRTSTxRrvTime = s_uGetRTSCTSRsvTime(pDevice, 0, + + pBuf->wTxRrvTime = vnt_rxtx_rsvtime_le16(pDevice, + byPktType, cbFrameSize, wCurrentRate, bNeedACK); + + /* Fill RTS */ + return s_vFillRTSHead(pDevice, byPktType, head, + cbFrameSize, bNeedACK, psEthHeader, + wCurrentRate, byFBOption); + } else { + struct vnt_rrv_time_ab *pBuf = &tx_buffer-> + tx_head.tx_ab.ab; + + pBuf->wTxRrvTime = vnt_rxtx_rsvtime_le16(pDevice, + PK_TYPE_11A, cbFrameSize, + wCurrentRate, bNeedACK); + + return vnt_rxtx_datahead_a_fb(pDevice, byPktType, + wCurrentRate, &head->data_head_a_fb, + cbFrameSize, bNeedACK); + } + } else if (byPktType == PK_TYPE_11B) { + if (need_mic) { + *mic_hdr = &tx_buffer->tx_head.tx_ab.tx.mic.hdr; + head = &tx_buffer->tx_head.tx_ab.tx.mic.head; + } else { + head = &tx_buffer->tx_head.tx_ab.tx.head; + } + + if (need_rts) { + struct vnt_rrv_time_ab *pBuf = &tx_buffer-> + tx_head.tx_ab.ab; + + pBuf->wRTSTxRrvTime = s_uGetRTSCTSRsvTime(pDevice, 0, byPktType, cbFrameSize, wCurrentRate); - pBuf->wTxRrvTime = vnt_rxtx_rsvtime_le16(pDevice, PK_TYPE_11B, - cbFrameSize, wCurrentRate, bNeedACK); - /* Fill RTS */ - s_vFillRTSHead(pDevice, byPktType, head, cbFrameSize, + + pBuf->wTxRrvTime = vnt_rxtx_rsvtime_le16(pDevice, + PK_TYPE_11B, cbFrameSize, wCurrentRate, + bNeedACK); + + /* Fill RTS */ + return s_vFillRTSHead(pDevice, byPktType, head, + cbFrameSize, bNeedACK, psEthHeader, wCurrentRate, byFBOption); - } - else { //RTS_needless, non PCF mode - //Fill RsvTime - struct vnt_rrv_time_ab *pBuf = - (struct vnt_rrv_time_ab *)pvRrvTime; - pBuf->wTxRrvTime = vnt_rxtx_rsvtime_le16(pDevice, PK_TYPE_11B, - cbFrameSize, wCurrentRate, bNeedACK); - } - } - //DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"s_vGenerateTxParameter END.\n"); + } else { + struct vnt_rrv_time_ab *pBuf = &tx_buffer-> + tx_head.tx_ab.ab; + + pBuf->wTxRrvTime = vnt_rxtx_rsvtime_le16(pDevice, + PK_TYPE_11B, cbFrameSize, + wCurrentRate, bNeedACK); + + return vnt_rxtx_datahead_ab(pDevice, byPktType, + wCurrentRate, &head->data_head_ab, + cbFrameSize, bNeedACK); + } + } + + return 0; } /* u8 * pbyBuffer,//point to pTxBufHead @@ -953,11 +945,12 @@ static void s_vGenerateTxParameter(struct vnt_private *pDevice, */ static int s_bPacketToWirelessUsb(struct vnt_private *pDevice, u8 byPktType, - struct vnt_tx_buffer *pTxBufHead, int bNeedEncryption, + struct vnt_tx_buffer *tx_buffer, int bNeedEncryption, u32 uSkbPacketLen, u32 uDMAIdx, struct ethhdr *psEthHeader, u8 *pPacket, PSKeyItem pTransmitKey, u32 uNodeIndex, u16 wCurrentRate, u32 *pcbHeaderLen, u32 *pcbTotalLen) { + struct vnt_tx_fifo_head *pTxBufHead = &tx_buffer->fifo_head; struct vnt_manager *pMgmt = &pDevice->vnt_mgmt; u32 cbFrameSize, cbFrameBodySize; u32 cb802_1_H_len; @@ -971,17 +964,14 @@ static int s_bPacketToWirelessUsb(struct vnt_private *pDevice, u8 byPktType, = {0xAA, 0xAA, 0x03, 0x00, 0x00, 0xF8}; u32 uDuration; u32 cbHeaderLength = 0, uPadding = 0; - void *pvRrvTime; struct vnt_mic_hdr *pMICHDR; - void *rts_cts = NULL; - void *pvTxDataHd; u8 byFBOption = AUTO_FB_NONE, byFragType; u16 wTxBufSize; u32 dwMICKey0, dwMICKey1, dwMIC_Priority; u32 *pdwMIC_L, *pdwMIC_R; int bSoftWEP = false; - pvRrvTime = pMICHDR = pvTxDataHd = NULL; + pMICHDR = NULL; if (bNeedEncryption && pTransmitKey->pvKeyTable) { if (((PSKeyTable)pTransmitKey->pvKeyTable)->bSoftWEP == true) @@ -1045,16 +1035,27 @@ static int s_bPacketToWirelessUsb(struct vnt_private *pDevice, u8 byPktType, pTxBufHead->wFIFOCtl |= FIFOCTL_GRPACK; } - //Set Auto Fallback Ctl - if (wCurrentRate >= RATE_18M) { - if (pDevice->byAutoFBCtrl == AUTO_FB_0) { - pTxBufHead->wFIFOCtl |= FIFOCTL_AUTO_FB_0; - byFBOption = AUTO_FB_0; - } else if (pDevice->byAutoFBCtrl == AUTO_FB_1) { - pTxBufHead->wFIFOCtl |= FIFOCTL_AUTO_FB_1; - byFBOption = AUTO_FB_1; - } - } + /* Set Auto Fallback Ctl */ + if (wCurrentRate >= RATE_18M) { + if (pDevice->byAutoFBCtrl == AUTO_FB_0) { + pTxBufHead->wFIFOCtl |= FIFOCTL_AUTO_FB_0; + + pDevice->tx_rate_fb0 = + wFB_Opt0[FB_RATE0][wCurrentRate - RATE_18M]; + pDevice->tx_rate_fb1 = + wFB_Opt0[FB_RATE1][wCurrentRate - RATE_18M]; + + byFBOption = AUTO_FB_0; + } else if (pDevice->byAutoFBCtrl == AUTO_FB_1) { + pTxBufHead->wFIFOCtl |= FIFOCTL_AUTO_FB_1; + pDevice->tx_rate_fb0 = + wFB_Opt1[FB_RATE0][wCurrentRate - RATE_18M]; + pDevice->tx_rate_fb1 = + wFB_Opt1[FB_RATE1][wCurrentRate - RATE_18M]; + + byFBOption = AUTO_FB_1; + } + } if (bSoftWEP != true) { if ((bNeedEncryption) && (pTransmitKey != NULL)) { //WEP enabled @@ -1103,118 +1104,47 @@ static int s_bPacketToWirelessUsb(struct vnt_private *pDevice, u8 byPktType, } pbyTxBufferAddr = (u8 *) &(pTxBufHead->adwTxKey[0]); - wTxBufSize = sizeof(STxBufHead); + wTxBufSize = sizeof(struct vnt_tx_fifo_head); + if (byPktType == PK_TYPE_11GB || byPktType == PK_TYPE_11GA) {//802.11g packet if (byFBOption == AUTO_FB_NONE) { if (bRTS == true) {//RTS_need - pvRrvTime = (struct vnt_rrv_time_rts *) - (pbyTxBufferAddr + wTxBufSize); - pMICHDR = (struct vnt_mic_hdr *)(pbyTxBufferAddr + wTxBufSize + - sizeof(struct vnt_rrv_time_rts)); - rts_cts = (struct vnt_rts_g *) (pbyTxBufferAddr + wTxBufSize + - sizeof(struct vnt_rrv_time_rts) + cbMICHDR); - pvTxDataHd = (struct vnt_tx_datahead_g *) (pbyTxBufferAddr + - wTxBufSize + sizeof(struct vnt_rrv_time_rts) + - cbMICHDR + sizeof(struct vnt_rts_g)); cbHeaderLength = wTxBufSize + sizeof(struct vnt_rrv_time_rts) + - cbMICHDR + sizeof(struct vnt_rts_g) + - sizeof(struct vnt_tx_datahead_g); + cbMICHDR + sizeof(struct vnt_rts_g); } else { //RTS_needless - pvRrvTime = (struct vnt_rrv_time_cts *) - (pbyTxBufferAddr + wTxBufSize); - pMICHDR = (struct vnt_mic_hdr *) (pbyTxBufferAddr + wTxBufSize + - sizeof(struct vnt_rrv_time_cts)); - rts_cts = (struct vnt_cts *) (pbyTxBufferAddr + wTxBufSize + - sizeof(struct vnt_rrv_time_cts) + cbMICHDR); - pvTxDataHd = (struct vnt_tx_datahead_g *)(pbyTxBufferAddr + - wTxBufSize + sizeof(struct vnt_rrv_time_cts) + - cbMICHDR + sizeof(struct vnt_cts)); cbHeaderLength = wTxBufSize + sizeof(struct vnt_rrv_time_cts) + - cbMICHDR + sizeof(struct vnt_cts) + - sizeof(struct vnt_tx_datahead_g); + cbMICHDR + sizeof(struct vnt_cts); } } else { // Auto Fall Back if (bRTS == true) {//RTS_need - pvRrvTime = (struct vnt_rrv_time_rts *)(pbyTxBufferAddr + - wTxBufSize); - pMICHDR = (struct vnt_mic_hdr *) (pbyTxBufferAddr + wTxBufSize + - sizeof(struct vnt_rrv_time_rts)); - rts_cts = (struct vnt_rts_g_fb *)(pbyTxBufferAddr + wTxBufSize + - sizeof(struct vnt_rrv_time_rts) + cbMICHDR); - pvTxDataHd = (struct vnt_tx_datahead_g_fb *) (pbyTxBufferAddr + - wTxBufSize + sizeof(struct vnt_rrv_time_rts) + - 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); + cbMICHDR + sizeof(struct vnt_rts_g_fb); } else if (bRTS == false) { //RTS_needless - pvRrvTime = (struct vnt_rrv_time_cts *) - (pbyTxBufferAddr + wTxBufSize); - pMICHDR = (struct vnt_mic_hdr *) (pbyTxBufferAddr + wTxBufSize + - sizeof(struct vnt_rrv_time_cts)); - rts_cts = (struct vnt_cts_fb *) (pbyTxBufferAddr + wTxBufSize + - sizeof(struct vnt_rrv_time_cts) + cbMICHDR); - pvTxDataHd = (struct vnt_tx_datahead_g_fb *) (pbyTxBufferAddr + - wTxBufSize + sizeof(struct vnt_rrv_time_cts) + - cbMICHDR + sizeof(struct vnt_cts_fb)); cbHeaderLength = wTxBufSize + sizeof(struct vnt_rrv_time_cts) + - cbMICHDR + sizeof(struct vnt_cts_fb) + - sizeof(struct vnt_tx_datahead_g_fb); + cbMICHDR + sizeof(struct vnt_cts_fb); } } // Auto Fall Back } else {//802.11a/b packet if (byFBOption == AUTO_FB_NONE) { if (bRTS == true) {//RTS_need - pvRrvTime = (struct vnt_rrv_time_ab *) (pbyTxBufferAddr + - wTxBufSize); - pMICHDR = (struct vnt_mic_hdr *)(pbyTxBufferAddr + wTxBufSize + - sizeof(struct vnt_rrv_time_ab)); - rts_cts = (struct vnt_rts_ab *) (pbyTxBufferAddr + wTxBufSize + - sizeof(struct vnt_rrv_time_ab) + cbMICHDR); - 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 - pvRrvTime = (struct vnt_rrv_time_ab *)(pbyTxBufferAddr + - wTxBufSize); - pMICHDR = (struct vnt_mic_hdr *) (pbyTxBufferAddr + wTxBufSize + - sizeof(struct vnt_rrv_time_ab)); - pvTxDataHd = (struct vnt_tx_datahead_ab *)(pbyTxBufferAddr + - wTxBufSize + sizeof(struct vnt_rrv_time_ab) + cbMICHDR); cbHeaderLength = wTxBufSize + sizeof(struct vnt_rrv_time_ab) + cbMICHDR + sizeof(struct vnt_tx_datahead_ab); } } else { // Auto Fall Back if (bRTS == true) {//RTS_need - pvRrvTime = (struct vnt_rrv_time_ab *)(pbyTxBufferAddr + - wTxBufSize); - pMICHDR = (struct vnt_mic_hdr *) (pbyTxBufferAddr + wTxBufSize + - sizeof(struct vnt_rrv_time_ab)); - rts_cts = (struct vnt_rts_a_fb *)(pbyTxBufferAddr + wTxBufSize + - sizeof(struct vnt_rrv_time_ab) + cbMICHDR); - pvTxDataHd = (struct vnt_tx_datahead_a_fb *)(pbyTxBufferAddr + - wTxBufSize + 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); + cbMICHDR + sizeof(struct vnt_rts_a_fb); } else if (bRTS == false) { //RTS_needless - pvRrvTime = (struct vnt_rrv_time_ab *)(pbyTxBufferAddr + - wTxBufSize); - pMICHDR = (struct vnt_mic_hdr *)(pbyTxBufferAddr + wTxBufSize + - sizeof(struct vnt_rrv_time_ab)); - pvTxDataHd = (struct vnt_tx_datahead_a_fb *)(pbyTxBufferAddr + - wTxBufSize + sizeof(struct vnt_rrv_time_ab) + cbMICHDR); cbHeaderLength = wTxBufSize + sizeof(struct vnt_rrv_time_ab) + cbMICHDR + sizeof(struct vnt_tx_datahead_a_fb); } @@ -1233,20 +1163,18 @@ static int s_bPacketToWirelessUsb(struct vnt_private *pDevice, u8 byPktType, //uDMAIdx = TYPE_AC0DMA; //pTxBufHead = (PSTxBufHead) &(pTxBufHead->adwTxKey[0]); - //Fill FIFO,RrvTime,RTS,and CTS - s_vGenerateTxParameter(pDevice, byPktType, wCurrentRate, - (void *)pbyTxBufferAddr, pvRrvTime, rts_cts, - cbFrameSize, bNeedACK, uDMAIdx, psEthHeader, bRTS); - //Fill DataHead - uDuration = s_uFillDataHead(pDevice, byPktType, wCurrentRate, pvTxDataHd, cbFrameSize, uDMAIdx, bNeedACK, - byFBOption); + /* Fill FIFO, RrvTime, RTS and CTS */ + uDuration = s_vGenerateTxParameter(pDevice, byPktType, wCurrentRate, + tx_buffer, &pMICHDR, cbMICHDR, + cbFrameSize, bNeedACK, uDMAIdx, psEthHeader, bRTS); + // Generate TX MAC Header s_vGenerateMACHeader(pDevice, pbyMacHdr, (u16)uDuration, psEthHeader, bNeedEncryption, byFragType, uDMAIdx, 0); if (bNeedEncryption == true) { //Fill TXKEY - s_vFillTxKey(pDevice, (u8 *)(pTxBufHead->adwTxKey), pbyIVHead, pTransmitKey, + s_vFillTxKey(pDevice, pTxBufHead, pbyIVHead, pTransmitKey, pbyMacHdr, (u16)cbFrameBodySize, pMICHDR); if (pDevice->bEnableHostWEP) { @@ -1467,13 +1395,12 @@ CMD_STATUS csMgmt_xmit(struct vnt_private *pDevice, { struct vnt_manager *pMgmt = &pDevice->vnt_mgmt; struct vnt_tx_buffer *pTX_Buffer; - PSTxBufHead pTxBufHead; struct vnt_usb_send_context *pContext; + struct vnt_tx_fifo_head *pTxBufHead; struct ieee80211_hdr *pMACHeader; struct ethhdr sEthHeader; u8 byPktType, *pbyTxBufferAddr; - void *rts_cts = NULL; - void *pvTxDataHd, *pvRrvTime, *pMICHDR; + struct vnt_mic_hdr *pMICHDR = NULL; u32 uDuration, cbReqCount, cbHeaderSize, cbFrameBodySize, cbFrameSize; int bNeedACK, bIsPSPOLL = false; u32 cbIVlen = 0, cbICVlen = 0, cbMIClen = 0, cbFCSlen = 4; @@ -1490,10 +1417,10 @@ CMD_STATUS csMgmt_xmit(struct vnt_private *pDevice, } pTX_Buffer = (struct vnt_tx_buffer *)&pContext->Data[0]; - pbyTxBufferAddr = (u8 *)&(pTX_Buffer->adwTxKey[0]); cbFrameBodySize = pPacket->cbPayloadLen; - pTxBufHead = (PSTxBufHead) pbyTxBufferAddr; - wTxBufSize = sizeof(STxBufHead); + pTxBufHead = &pTX_Buffer->fifo_head; + pbyTxBufferAddr = (u8 *)&pTxBufHead->adwTxKey[0]; + wTxBufSize = sizeof(struct vnt_tx_fifo_head); if (pDevice->byBBType == BB_TYPE_11A) { wCurrentRate = RATE_6M; @@ -1605,21 +1532,10 @@ CMD_STATUS csMgmt_xmit(struct vnt_private *pDevice, //Set RrvTime/RTS/CTS Buffer if (byPktType == PK_TYPE_11GB || byPktType == PK_TYPE_11GA) {//802.11g packet - - pvRrvTime = (struct vnt_rrv_time_cts *) (pbyTxBufferAddr + wTxBufSize); - pMICHDR = NULL; - rts_cts = (struct vnt_cts *) (pbyTxBufferAddr + wTxBufSize + - sizeof(struct vnt_rrv_time_cts)); - pvTxDataHd = (struct vnt_tx_datahead_g *)(pbyTxBufferAddr + wTxBufSize + - sizeof(struct vnt_rrv_time_cts) + sizeof(struct vnt_cts)); cbHeaderSize = wTxBufSize + sizeof(struct vnt_rrv_time_cts) + - sizeof(struct vnt_cts) + sizeof(struct vnt_tx_datahead_g); + sizeof(struct vnt_cts); } else { // 802.11a/b packet - pvRrvTime = (struct vnt_rrv_time_ab *) (pbyTxBufferAddr + wTxBufSize); - pMICHDR = NULL; - pvTxDataHd = (struct vnt_tx_datahead_ab *) (pbyTxBufferAddr + - wTxBufSize + sizeof(struct vnt_rrv_time_ab)); cbHeaderSize = wTxBufSize + sizeof(struct vnt_rrv_time_ab) + sizeof(struct vnt_tx_datahead_ab); } @@ -1636,14 +1552,10 @@ CMD_STATUS csMgmt_xmit(struct vnt_private *pDevice, pTxBufHead->wFragCtl |= (u16)FRAGCTL_NONFRAG; /* Fill FIFO,RrvTime,RTS,and CTS */ - s_vGenerateTxParameter(pDevice, byPktType, wCurrentRate, - pbyTxBufferAddr, pvRrvTime, rts_cts, + uDuration = s_vGenerateTxParameter(pDevice, byPktType, wCurrentRate, + pTX_Buffer, &pMICHDR, 0, cbFrameSize, bNeedACK, TYPE_TXDMA0, &sEthHeader, false); - //Fill DataHead - uDuration = s_uFillDataHead(pDevice, byPktType, wCurrentRate, pvTxDataHd, cbFrameSize, TYPE_TXDMA0, bNeedACK, - AUTO_FB_NONE); - pMACHeader = (struct ieee80211_hdr *) (pbyTxBufferAddr + cbHeaderSize); cbReqCount = cbHeaderSize + cbMacHdLen + uPadding + cbIVlen + cbFrameBodySize; @@ -1682,7 +1594,7 @@ CMD_STATUS csMgmt_xmit(struct vnt_private *pDevice, } } while(false); //Fill TXKEY - s_vFillTxKey(pDevice, (u8 *)(pTxBufHead->adwTxKey), pbyIVHead, pTransmitKey, + s_vFillTxKey(pDevice, pTxBufHead, pbyIVHead, pTransmitKey, (u8 *)pMACHeader, (u16)cbFrameBodySize, NULL); memcpy(pMACHeader, pPacket->p80211Header, cbMacHdLen); @@ -1706,12 +1618,16 @@ CMD_STATUS csMgmt_xmit(struct vnt_private *pDevice, // in the same place of other packet's Duration-field). // And it will cause Cisco-AP to issue Disassociation-packet if (byPktType == PK_TYPE_11GB || byPktType == PK_TYPE_11GA) { - ((struct vnt_tx_datahead_g *)pvTxDataHd)->wDuration_a = + struct vnt_tx_datahead_g *data_head = &pTX_Buffer->tx_head. + tx_cts.tx.head.cts_g.data_head; + data_head->wDuration_a = cpu_to_le16(pPacket->p80211Header->sA2.wDurationID); - ((struct vnt_tx_datahead_g *)pvTxDataHd)->wDuration_b = + data_head->wDuration_b = cpu_to_le16(pPacket->p80211Header->sA2.wDurationID); } else { - ((struct vnt_tx_datahead_ab *)pvTxDataHd)->wDuration = + struct vnt_tx_datahead_ab *data_head = &pTX_Buffer->tx_head. + tx_ab.tx.head.data_head_ab; + data_head->wDuration = cpu_to_le16(pPacket->p80211Header->sA2.wDurationID); } } @@ -1725,10 +1641,14 @@ CMD_STATUS csMgmt_xmit(struct vnt_private *pDevice, pContext->uBufLen = (u16)cbReqCount + 4; //USB header if (WLAN_GET_FC_TODS(pMACHeader->frame_control) == 0) { - s_vSaveTxPktInfo(pDevice, (u8) (pTX_Buffer->byPKTNO & 0x0F), &(pMACHeader->addr1[0]), (u16)cbFrameSize, pTX_Buffer->wFIFOCtl); + s_vSaveTxPktInfo(pDevice, (u8)(pTX_Buffer->byPKTNO & 0x0F), + &pMACHeader->addr1[0], (u16)cbFrameSize, + pTxBufHead->wFIFOCtl); } else { - s_vSaveTxPktInfo(pDevice, (u8) (pTX_Buffer->byPKTNO & 0x0F), &(pMACHeader->addr3[0]), (u16)cbFrameSize, pTX_Buffer->wFIFOCtl); + s_vSaveTxPktInfo(pDevice, (u8)(pTX_Buffer->byPKTNO & 0x0F), + &pMACHeader->addr3[0], (u16)cbFrameSize, + pTxBufHead->wFIFOCtl); } PIPEnsSendBulkOut(pDevice,pContext); @@ -1823,15 +1743,13 @@ void vDMA0_tx_80211(struct vnt_private *pDevice, struct sk_buff *skb) { struct vnt_manager *pMgmt = &pDevice->vnt_mgmt; struct vnt_tx_buffer *pTX_Buffer; + struct vnt_tx_fifo_head *pTxBufHead; u8 byPktType; u8 *pbyTxBufferAddr; - void *rts_cts = NULL; - void *pvTxDataHd; u32 uDuration, cbReqCount; struct ieee80211_hdr *pMACHeader; u32 cbHeaderSize, cbFrameBodySize; int bNeedACK, bIsPSPOLL = false; - PSTxBufHead pTxBufHead; u32 cbFrameSize; u32 cbIVlen = 0, cbICVlen = 0, cbMIClen = 0, cbFCSlen = 4; u32 uPadding = 0; @@ -1842,7 +1760,7 @@ void vDMA0_tx_80211(struct vnt_private *pDevice, struct sk_buff *skb) u16 wTxBufSize; u32 cbMacHdLen; struct ethhdr sEthHeader; - void *pvRrvTime, *pMICHDR; + struct vnt_mic_hdr *pMICHDR; u32 wCurrentRate = RATE_1M; PUWLAN_80211HDR p80211Header; u32 uNodeIndex = 0; @@ -1853,7 +1771,7 @@ void vDMA0_tx_80211(struct vnt_private *pDevice, struct sk_buff *skb) u32 cbExtSuppRate = 0; struct vnt_usb_send_context *pContext; - pvRrvTime = pMICHDR = pvTxDataHd = NULL; + pMICHDR = NULL; if(skb->len <= WLAN_HDR_ADDR3_LEN) { cbFrameBodySize = 0; @@ -1872,9 +1790,9 @@ void vDMA0_tx_80211(struct vnt_private *pDevice, struct sk_buff *skb) } pTX_Buffer = (struct vnt_tx_buffer *)&pContext->Data[0]; - pbyTxBufferAddr = (u8 *)(&pTX_Buffer->adwTxKey[0]); - pTxBufHead = (PSTxBufHead) pbyTxBufferAddr; - wTxBufSize = sizeof(STxBufHead); + pTxBufHead = &pTX_Buffer->fifo_head; + pbyTxBufferAddr = (u8 *)&pTxBufHead->adwTxKey[0]; + wTxBufSize = sizeof(struct vnt_tx_fifo_head); if (pDevice->byBBType == BB_TYPE_11A) { wCurrentRate = RATE_6M; @@ -2012,25 +1930,11 @@ void vDMA0_tx_80211(struct vnt_private *pDevice, struct sk_buff *skb) //the rest of pTxBufHead->wFragCtl:FragTyp will be set later in s_vFillFragParameter() if (byPktType == PK_TYPE_11GB || byPktType == PK_TYPE_11GA) {//802.11g packet - pvRrvTime = (struct vnt_rrv_time_cts *) (pbyTxBufferAddr + wTxBufSize); - pMICHDR = (struct vnt_mic_hdr *) (pbyTxBufferAddr + wTxBufSize + - sizeof(struct vnt_rrv_time_cts)); - rts_cts = (struct vnt_cts *) (pbyTxBufferAddr + wTxBufSize + - sizeof(struct vnt_rrv_time_cts) + cbMICHDR); - pvTxDataHd = (struct vnt_tx_datahead_g *) (pbyTxBufferAddr + - wTxBufSize + sizeof(struct vnt_rrv_time_cts) + cbMICHDR + - sizeof(struct vnt_cts)); cbHeaderSize = wTxBufSize + sizeof(struct vnt_rrv_time_cts) + cbMICHDR + - sizeof(struct vnt_cts) + sizeof(struct vnt_tx_datahead_g); + sizeof(struct vnt_cts); } else {//802.11a/b packet - - pvRrvTime = (struct vnt_rrv_time_ab *) (pbyTxBufferAddr + wTxBufSize); - pMICHDR = (struct vnt_mic_hdr *) (pbyTxBufferAddr + wTxBufSize + - sizeof(struct vnt_rrv_time_ab)); - pvTxDataHd = (struct vnt_tx_datahead_ab *)(pbyTxBufferAddr + - wTxBufSize + sizeof(struct vnt_rrv_time_ab) + cbMICHDR); cbHeaderSize = wTxBufSize + sizeof(struct vnt_rrv_time_ab) + cbMICHDR + sizeof(struct vnt_tx_datahead_ab); } @@ -2046,15 +1950,11 @@ void vDMA0_tx_80211(struct vnt_private *pDevice, struct sk_buff *skb) pTxBufHead->wFragCtl |= (u16)FRAGCTL_NONFRAG; /* Fill FIFO,RrvTime,RTS,and CTS */ - s_vGenerateTxParameter(pDevice, byPktType, wCurrentRate, - pbyTxBufferAddr, pvRrvTime, rts_cts, + uDuration = s_vGenerateTxParameter(pDevice, byPktType, wCurrentRate, + pTX_Buffer, &pMICHDR, cbMICHDR, cbFrameSize, bNeedACK, TYPE_TXDMA0, &sEthHeader, false); - //Fill DataHead - uDuration = s_uFillDataHead(pDevice, byPktType, wCurrentRate, pvTxDataHd, cbFrameSize, TYPE_TXDMA0, bNeedACK, - AUTO_FB_NONE); - - pMACHeader = (struct ieee80211_hdr *) (pbyTxBufferAddr + cbHeaderSize); + pMACHeader = (struct ieee80211_hdr *) (pbyTxBufferAddr + cbHeaderSize); cbReqCount = cbHeaderSize + cbMacHdLen + uPadding + cbIVlen + (cbFrameBodySize + cbMIClen) + cbExtSuppRate; @@ -2137,7 +2037,7 @@ void vDMA0_tx_80211(struct vnt_private *pDevice, struct sk_buff *skb) } - s_vFillTxKey(pDevice, (u8 *)(pTxBufHead->adwTxKey), pbyIVHead, pTransmitKey, + s_vFillTxKey(pDevice, pTxBufHead, pbyIVHead, pTransmitKey, pbyMacHdr, (u16)cbFrameBodySize, pMICHDR); if (pDevice->bEnableHostWEP) { @@ -2162,12 +2062,16 @@ void vDMA0_tx_80211(struct vnt_private *pDevice, struct sk_buff *skb) // in the same place of other packet's Duration-field). // And it will cause Cisco-AP to issue Disassociation-packet if (byPktType == PK_TYPE_11GB || byPktType == PK_TYPE_11GA) { - ((struct vnt_tx_datahead_g *)pvTxDataHd)->wDuration_a = + struct vnt_tx_datahead_g *data_head = &pTX_Buffer->tx_head. + tx_cts.tx.head.cts_g.data_head; + data_head->wDuration_a = cpu_to_le16(p80211Header->sA2.wDurationID); - ((struct vnt_tx_datahead_g *)pvTxDataHd)->wDuration_b = + data_head->wDuration_b = cpu_to_le16(p80211Header->sA2.wDurationID); } else { - ((struct vnt_tx_datahead_ab *)pvTxDataHd)->wDuration = + struct vnt_tx_datahead_ab *data_head = &pTX_Buffer->tx_head. + tx_ab.tx.head.data_head_ab; + data_head->wDuration = cpu_to_le16(p80211Header->sA2.wDurationID); } } @@ -2181,10 +2085,14 @@ void vDMA0_tx_80211(struct vnt_private *pDevice, struct sk_buff *skb) pContext->uBufLen = (u16)cbReqCount + 4; //USB header if (WLAN_GET_FC_TODS(pMACHeader->frame_control) == 0) { - s_vSaveTxPktInfo(pDevice, (u8) (pTX_Buffer->byPKTNO & 0x0F), &(pMACHeader->addr1[0]), (u16)cbFrameSize, pTX_Buffer->wFIFOCtl); + s_vSaveTxPktInfo(pDevice, (u8)(pTX_Buffer->byPKTNO & 0x0F), + &pMACHeader->addr1[0], (u16)cbFrameSize, + pTxBufHead->wFIFOCtl); } else { - s_vSaveTxPktInfo(pDevice, (u8) (pTX_Buffer->byPKTNO & 0x0F), &(pMACHeader->addr3[0]), (u16)cbFrameSize, pTX_Buffer->wFIFOCtl); + s_vSaveTxPktInfo(pDevice, (u8)(pTX_Buffer->byPKTNO & 0x0F), + &pMACHeader->addr3[0], (u16)cbFrameSize, + pTxBufHead->wFIFOCtl); } PIPEnsSendBulkOut(pDevice,pContext); return ; @@ -2566,7 +2474,10 @@ int nsDMA_tx_packet(struct vnt_private *pDevice, pContext->Type = CONTEXT_DATA_PACKET; pContext->uBufLen = (u16)BytesToWrite + 4 ; //USB header - s_vSaveTxPktInfo(pDevice, (u8) (pTX_Buffer->byPKTNO & 0x0F), &(pContext->sEthHeader.h_dest[0]), (u16) (BytesToWrite-uHeaderLen), pTX_Buffer->wFIFOCtl); + s_vSaveTxPktInfo(pDevice, (u8)(pTX_Buffer->byPKTNO & 0x0F), + &pContext->sEthHeader.h_dest[0], + (u16)(BytesToWrite-uHeaderLen), + pTX_Buffer->fifo_head.wFIFOCtl); status = PIPEnsSendBulkOut(pDevice,pContext); @@ -2717,7 +2628,10 @@ int bRelayPacketSend(struct vnt_private *pDevice, u8 *pbySkbData, u32 uDataLen, pContext->Type = CONTEXT_DATA_PACKET; pContext->uBufLen = (u16)BytesToWrite + 4 ; //USB header - s_vSaveTxPktInfo(pDevice, (u8) (pTX_Buffer->byPKTNO & 0x0F), &(pContext->sEthHeader.h_dest[0]), (u16) (BytesToWrite-uHeaderLen), pTX_Buffer->wFIFOCtl); + s_vSaveTxPktInfo(pDevice, (u8)(pTX_Buffer->byPKTNO & 0x0F), + &pContext->sEthHeader.h_dest[0], + (u16)(BytesToWrite - uHeaderLen), + pTX_Buffer->fifo_head.wFIFOCtl); status = PIPEnsSendBulkOut(pDevice,pContext); |