diff options
Diffstat (limited to 'drivers/staging/vt6656/rxtx.c')
| -rw-r--r-- | drivers/staging/vt6656/rxtx.c | 2698 |
1 files changed, 922 insertions, 1776 deletions
diff --git a/drivers/staging/vt6656/rxtx.c b/drivers/staging/vt6656/rxtx.c index 9bf2f8d562c..704f4d3639b 100644 --- a/drivers/staging/vt6656/rxtx.c +++ b/drivers/staging/vt6656/rxtx.c @@ -52,12 +52,9 @@ #include "card.h" #include "bssdb.h" #include "mac.h" -#include "baseband.h" #include "michael.h" #include "tkip.h" -#include "tcrc.h" #include "wctl.h" -#include "hostap.h" #include "rf.h" #include "datarate.h" #include "usbpipe.h" @@ -65,16 +62,16 @@ static int msglevel = MSG_LEVEL_INFO; -const u16 wTimeStampOff[2][MAX_RATE] = { +static const u16 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 }; -const u16 wFB_Opt0[2][5] = { +static const u16 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 }; -const u16 wFB_Opt1[2][5] = { +static const u16 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 }; @@ -97,25 +94,21 @@ const u16 wFB_Opt1[2][5] = { static void s_vSaveTxPktInfo(struct vnt_private *pDevice, u8 byPktNum, u8 *pbyDestAddr, u16 wPktLength, u16 wFIFOCtl); -static void *s_vGetFreeContext(struct vnt_private *pDevice); +static struct vnt_usb_send_context *s_vGetFreeContext(struct vnt_private *); -static void s_vGenerateTxParameter(struct vnt_private *pDevice, - u8 byPktType, u16 wCurrentRate, void *pTxBufHead, void *pvRrvTime, - void *pvRTS, void *pvCTS, u32 cbFrameSize, int bNeedACK, u32 uDMAIdx, - struct ethhdr *psEthHeader); - -static u32 s_uFillDataHead(struct vnt_private *pDevice, - u8 byPktType, u16 wCurrentRate, void *pTxDataHead, u32 cbFrameLength, - u32 uDMAIdx, int bNeedAck, u32 uFragIdx, u32 cbLastFragmentSize, - u32 uMACfragNum, 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, 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); + int bNeedEncrypt, u16 wFragType, u32 uFragIdx); -static void s_vFillTxKey(struct vnt_private *pDevice, u8 *pbyBuf, - u8 *pbyIVHead, PSKeyItem pTransmitKey, u8 *pbyHdrBuf, u16 wPayloadLen, - u8 *pMICHDR); +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, PSKeyItem pTransmitKey, u8 *pbyPayloadHead, u16 wPayloadSize); @@ -123,172 +116,178 @@ 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 u32 s_uGetRTSCTSRsvTime(struct vnt_private *pDevice, u8 byRTSRsvType, - u8 byPktType, u32 cbFrameLength, u16 wCurrentRate); +static __le16 s_uGetRTSCTSRsvTime(struct vnt_private *priv, + u8 rsv_type, u8 pkt_type, u32 frame_length, u16 current_rate); -static void s_vFillCTSHead(struct vnt_private *pDevice, u32 uDMAIdx, - u8 byPktType, void *pvCTS, u32 cbFrameLength, int bNeedAck, - int bDisCRC, u16 wCurrentRate, u8 byFBOption); +static u16 s_vFillCTSHead(struct vnt_private *pDevice, + 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, - void *pvRTS, u32 cbFrameLength, int bNeedAck, int bDisCRC, +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); -static u32 s_uGetDataDuration(struct vnt_private *pDevice, u8 byDurType, - u32 cbFrameLength, u8 byPktType, u16 wRate, int bNeedAck, - u32 uFragIdx, u32 cbLastFragmentSize, u32 uMACfragNum, - u8 byFBOption); +static __le16 s_uGetDataDuration(struct vnt_private *pDevice, + u8 byPktType, int bNeedAck); -static unsigned int s_uGetRTSCTSDuration(struct vnt_private *pDevice, +static __le16 s_uGetRTSCTSDuration(struct vnt_private *pDevice, u8 byDurType, u32 cbFrameLength, u8 byPktType, u16 wRate, int bNeedAck, u8 byFBOption); -static void *s_vGetFreeContext(struct vnt_private *pDevice) +static struct vnt_usb_send_context + *s_vGetFreeContext(struct vnt_private *priv) { - PUSB_SEND_CONTEXT pContext = NULL; - PUSB_SEND_CONTEXT pReturnContext = NULL; + struct vnt_usb_send_context *context = NULL; int ii; - DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"GetFreeContext()\n"); + DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"GetFreeContext()\n"); - for (ii = 0; ii < pDevice->cbTD; ii++) { - pContext = pDevice->apTD[ii]; - if (pContext->bBoolInUse == false) { - pContext->bBoolInUse = true; - pReturnContext = pContext; - break; - } - } - if ( ii == pDevice->cbTD ) { - DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"No Free Tx Context\n"); - } - return (void *) pReturnContext; + for (ii = 0; ii < priv->cbTD; ii++) { + if (!priv->apTD[ii]) + return NULL; + + context = priv->apTD[ii]; + if (context->in_use == false) { + context->in_use = true; + memset(context->data, 0, + MAX_TOTAL_SIZE_WITH_ALL_HEADERS); + return context; + } + } + + if (ii == priv->cbTD) + DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"No Free Tx Context\n"); + + return NULL; } static void s_vSaveTxPktInfo(struct vnt_private *pDevice, u8 byPktNum, u8 *pbyDestAddr, u16 wPktLength, u16 wFIFOCtl) { - PSStatCounter pStatistic = &pDevice->scStatistic; - - if (is_broadcast_ether_addr(pbyDestAddr)) - pStatistic->abyTxPktInfo[byPktNum].byBroadMultiUni = TX_PKT_BROAD; - else if (is_multicast_ether_addr(pbyDestAddr)) - pStatistic->abyTxPktInfo[byPktNum].byBroadMultiUni = TX_PKT_MULTI; - else - pStatistic->abyTxPktInfo[byPktNum].byBroadMultiUni = TX_PKT_UNI; - - pStatistic->abyTxPktInfo[byPktNum].wLength = wPktLength; - pStatistic->abyTxPktInfo[byPktNum].wFIFOCtl = wFIFOCtl; - memcpy(pStatistic->abyTxPktInfo[byPktNum].abyDestAddr, - pbyDestAddr, - ETH_ALEN); + struct net_device_stats *stats = &pDevice->stats; + struct vnt_tx_pkt_info *pkt_info = pDevice->pkt_info; + + pkt_info[byPktNum].fifo_ctl = wFIFOCtl; + memcpy(pkt_info[byPktNum].dest_addr, pbyDestAddr, ETH_ALEN); + + stats->tx_bytes += wPktLength; } -static void s_vFillTxKey(struct vnt_private *pDevice, u8 *pbyBuf, - u8 *pbyIVHead, PSKeyItem pTransmitKey, u8 *pbyHdrBuf, - u16 wPayloadLen, u8 *pMICHDR) +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) { - u32 *pdwIV = (u32 *)pbyIVHead; - u32 *pdwExtIV = (u32 *)((u8 *)pbyIVHead + 4); - u16 wValue; + u8 *pbyBuf = (u8 *)&fifo_head->adwTxKey[0]; + __le32 *pdwIV = (__le32 *)pbyIVHead; + __le32 *pdwExtIV = (__le32 *)((u8 *)pbyIVHead + 4); struct ieee80211_hdr *pMACHeader = (struct ieee80211_hdr *)pbyHdrBuf; - u32 dwRevIVCounter; - - //Fill TXKEY - if (pTransmitKey == NULL) - return; - - dwRevIVCounter = cpu_to_le32(pDevice->dwIVCounter); - *pdwIV = pDevice->dwIVCounter; - pDevice->byKeyIndex = pTransmitKey->dwKeyIndex & 0xf; - - if (pTransmitKey->byCipherSuite == KEY_CTL_WEP) { - if (pTransmitKey->uKeyLength == WLAN_WEP232_KEYLEN ){ - memcpy(pDevice->abyPRNG, (u8 *)&(dwRevIVCounter), 3); - memcpy(pDevice->abyPRNG+3, pTransmitKey->abyKey, pTransmitKey->uKeyLength); - } else { - memcpy(pbyBuf, (u8 *)&(dwRevIVCounter), 3); - memcpy(pbyBuf+3, pTransmitKey->abyKey, pTransmitKey->uKeyLength); - if(pTransmitKey->uKeyLength == WLAN_WEP40_KEYLEN) { - memcpy(pbyBuf+8, (u8 *)&(dwRevIVCounter), 3); - memcpy(pbyBuf+11, pTransmitKey->abyKey, pTransmitKey->uKeyLength); - } - memcpy(pDevice->abyPRNG, pbyBuf, 16); - } - // Append IV after Mac Header - *pdwIV &= WEP_IV_MASK;//00000000 11111111 11111111 11111111 - *pdwIV |= (u32)pDevice->byKeyIndex << 30; - *pdwIV = cpu_to_le32(*pdwIV); - pDevice->dwIVCounter++; - if (pDevice->dwIVCounter > WEP_IV_MASK) { - pDevice->dwIVCounter = 0; - } - } else if (pTransmitKey->byCipherSuite == KEY_CTL_TKIP) { - pTransmitKey->wTSC15_0++; - if (pTransmitKey->wTSC15_0 == 0) { - pTransmitKey->dwTSC47_16++; - } - TKIPvMixKey(pTransmitKey->abyKey, pDevice->abyCurrentNetAddr, - pTransmitKey->wTSC15_0, pTransmitKey->dwTSC47_16, pDevice->abyPRNG); - memcpy(pbyBuf, pDevice->abyPRNG, 16); - // Make IV - memcpy(pdwIV, pDevice->abyPRNG, 3); - - *(pbyIVHead+3) = (u8)(((pDevice->byKeyIndex << 6) & 0xc0) | 0x20); // 0x20 is ExtIV - // Append IV&ExtIV after Mac Header - *pdwExtIV = cpu_to_le32(pTransmitKey->dwTSC47_16); - DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"vFillTxKey()---- pdwExtIV: %x\n", - *pdwExtIV); - - } else if (pTransmitKey->byCipherSuite == KEY_CTL_CCMP) { - pTransmitKey->wTSC15_0++; - if (pTransmitKey->wTSC15_0 == 0) { - pTransmitKey->dwTSC47_16++; - } - memcpy(pbyBuf, pTransmitKey->abyKey, 16); - - // Make IV - *pdwIV = 0; - *(pbyIVHead+3) = (u8)(((pDevice->byKeyIndex << 6) & 0xc0) | 0x20); // 0x20 is ExtIV - *pdwIV |= cpu_to_le16((u16)(pTransmitKey->wTSC15_0)); - //Append IV&ExtIV after Mac Header - *pdwExtIV = cpu_to_le32(pTransmitKey->dwTSC47_16); - - //Fill MICHDR0 - *pMICHDR = 0x59; - *((u8 *)(pMICHDR+1)) = 0; // TxPriority - memcpy(pMICHDR+2, &(pMACHeader->addr2[0]), 6); - *((u8 *)(pMICHDR+8)) = HIBYTE(HIWORD(pTransmitKey->dwTSC47_16)); - *((u8 *)(pMICHDR+9)) = LOBYTE(HIWORD(pTransmitKey->dwTSC47_16)); - *((u8 *)(pMICHDR+10)) = HIBYTE(LOWORD(pTransmitKey->dwTSC47_16)); - *((u8 *)(pMICHDR+11)) = LOBYTE(LOWORD(pTransmitKey->dwTSC47_16)); - *((u8 *)(pMICHDR+12)) = HIBYTE(pTransmitKey->wTSC15_0); - *((u8 *)(pMICHDR+13)) = LOBYTE(pTransmitKey->wTSC15_0); - *((u8 *)(pMICHDR+14)) = HIBYTE(wPayloadLen); - *((u8 *)(pMICHDR+15)) = LOBYTE(wPayloadLen); - - //Fill MICHDR1 - *((u8 *)(pMICHDR+16)) = 0; // HLEN[15:8] - if (pDevice->bLongHeader) { - *((u8 *)(pMICHDR+17)) = 28; // HLEN[7:0] - } else { - *((u8 *)(pMICHDR+17)) = 22; // HLEN[7:0] - } - wValue = cpu_to_le16(pMACHeader->frame_control & 0xC78F); - memcpy(pMICHDR+18, (u8 *)&wValue, 2); // MSKFRACTL - memcpy(pMICHDR+20, &(pMACHeader->addr1[0]), 6); - memcpy(pMICHDR+26, &(pMACHeader->addr2[0]), 6); - - //Fill MICHDR2 - memcpy(pMICHDR+32, &(pMACHeader->addr3[0]), 6); - wValue = pMACHeader->seq_ctrl; - wValue &= 0x000F; - wValue = cpu_to_le16(wValue); - memcpy(pMICHDR+38, (u8 *)&wValue, 2); // MSKSEQCTL - if (pDevice->bLongHeader) { - memcpy(pMICHDR+40, &(pMACHeader->addr4[0]), 6); - } - } + __le32 rev_iv_counter; + + /* Fill TXKEY */ + if (pTransmitKey == NULL) + return; + + rev_iv_counter = cpu_to_le32(pDevice->dwIVCounter); + *pdwIV = cpu_to_le32(pDevice->dwIVCounter); + pDevice->byKeyIndex = pTransmitKey->dwKeyIndex & 0xf; + + switch (pTransmitKey->byCipherSuite) { + case KEY_CTL_WEP: + if (pTransmitKey->uKeyLength == WLAN_WEP232_KEYLEN) { + memcpy(pDevice->abyPRNG, (u8 *)&rev_iv_counter, 3); + memcpy(pDevice->abyPRNG + 3, pTransmitKey->abyKey, + pTransmitKey->uKeyLength); + } else { + memcpy(pbyBuf, (u8 *)&rev_iv_counter, 3); + memcpy(pbyBuf + 3, pTransmitKey->abyKey, + pTransmitKey->uKeyLength); + if (pTransmitKey->uKeyLength == WLAN_WEP40_KEYLEN) { + memcpy(pbyBuf+8, (u8 *)&rev_iv_counter, 3); + memcpy(pbyBuf+11, pTransmitKey->abyKey, + pTransmitKey->uKeyLength); + } + + memcpy(pDevice->abyPRNG, pbyBuf, 16); + } + /* Append IV after Mac Header */ + *pdwIV &= cpu_to_le32(WEP_IV_MASK); + *pdwIV |= cpu_to_le32((u32)pDevice->byKeyIndex << 30); + + pDevice->dwIVCounter++; + if (pDevice->dwIVCounter > WEP_IV_MASK) + pDevice->dwIVCounter = 0; + + break; + case KEY_CTL_TKIP: + pTransmitKey->wTSC15_0++; + if (pTransmitKey->wTSC15_0 == 0) + pTransmitKey->dwTSC47_16++; + + TKIPvMixKey(pTransmitKey->abyKey, pDevice->abyCurrentNetAddr, + pTransmitKey->wTSC15_0, pTransmitKey->dwTSC47_16, + pDevice->abyPRNG); + memcpy(pbyBuf, pDevice->abyPRNG, 16); + + /* Make IV */ + memcpy(pdwIV, pDevice->abyPRNG, 3); + + *(pbyIVHead+3) = (u8)(((pDevice->byKeyIndex << 6) & + 0xc0) | 0x20); + /* Append IV&ExtIV after Mac Header */ + *pdwExtIV = cpu_to_le32(pTransmitKey->dwTSC47_16); + + DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO + "vFillTxKey()---- pdwExtIV: %x\n", *pdwExtIV); + + break; + case KEY_CTL_CCMP: + pTransmitKey->wTSC15_0++; + if (pTransmitKey->wTSC15_0 == 0) + pTransmitKey->dwTSC47_16++; + + memcpy(pbyBuf, pTransmitKey->abyKey, 16); + + /* Make IV */ + *pdwIV = 0; + *(pbyIVHead+3) = (u8)(((pDevice->byKeyIndex << 6) & + 0xc0) | 0x20); + + *pdwIV |= cpu_to_le32((u32)(pTransmitKey->wTSC15_0)); + + /* Append IV&ExtIV after Mac Header */ + *pdwExtIV = cpu_to_le32(pTransmitKey->dwTSC47_16); + + if (!mic_hdr) + return; + + /* MICHDR0 */ + mic_hdr->id = 0x59; + mic_hdr->payload_len = cpu_to_be16(wPayloadLen); + memcpy(mic_hdr->mic_addr2, pMACHeader->addr2, ETH_ALEN); + + mic_hdr->tsc_47_16 = cpu_to_be32(pTransmitKey->dwTSC47_16); + mic_hdr->tsc_15_0 = cpu_to_be16(pTransmitKey->wTSC15_0); + + /* MICHDR1 */ + if (ieee80211_has_a4(pMACHeader->frame_control)) + mic_hdr->hlen = cpu_to_be16(28); + else + mic_hdr->hlen = cpu_to_be16(22); + + memcpy(mic_hdr->addr1, pMACHeader->addr1, ETH_ALEN); + memcpy(mic_hdr->addr2, pMACHeader->addr2, ETH_ALEN); + + /* MICHDR2 */ + memcpy(mic_hdr->addr3, pMACHeader->addr3, ETH_ALEN); + mic_hdr->frame_control = cpu_to_le16( + le16_to_cpu(pMACHeader->frame_control) & 0xc78f); + mic_hdr->seq_ctrl = cpu_to_le16( + le16_to_cpu(pMACHeader->seq_ctrl) & 0xf); + + if (ieee80211_has_a4(pMACHeader->frame_control)) + memcpy(mic_hdr->addr4, pMACHeader->addr4, ETH_ALEN); + } } static void s_vSWencryption(struct vnt_private *pDevice, @@ -304,7 +303,7 @@ static void s_vSWencryption(struct vnt_private *pDevice, if (pTransmitKey->byCipherSuite == KEY_CTL_WEP) { //======================================================================= // Append ICV after payload - dwICV = CRCdwGetCrc32Ex(pbyPayloadHead, wPayloadSize, dwICV);//ICV(Payload) + dwICV = ether_crc_le(wPayloadSize, pbyPayloadHead); pdwICV = (u32 *)(pbyPayloadHead + wPayloadSize); // finally, we must invert dwCRC to get the correct answer *pdwICV = cpu_to_le32(~dwICV); @@ -315,7 +314,7 @@ static void s_vSWencryption(struct vnt_private *pDevice, } else if (pTransmitKey->byCipherSuite == KEY_CTL_TKIP) { //======================================================================= //Append ICV after payload - dwICV = CRCdwGetCrc32Ex(pbyPayloadHead, wPayloadSize, dwICV);//ICV(Payload) + dwICV = ether_crc_le(wPayloadSize, pbyPayloadHead); pdwICV = (u32 *)(pbyPayloadHead + wPayloadSize); // finally, we must invert dwCRC to get the correct answer *pdwICV = cpu_to_le32(~dwICV); @@ -326,724 +325,449 @@ static void s_vSWencryption(struct vnt_private *pDevice, } } +static __le16 vnt_time_stamp_off(struct vnt_private *priv, u16 rate) +{ + return cpu_to_le16(wTimeStampOff[priv->byPreambleType % 2] + [rate % MAX_RATE]); +} + /*byPktType : PK_TYPE_11A 0 PK_TYPE_11B 1 PK_TYPE_11GB 2 PK_TYPE_11GA 3 */ -static u32 s_uGetTxRsvTime(struct vnt_private *pDevice, u8 byPktType, - u32 cbFrameLength, u16 wRate, int bNeedAck) +static u32 s_uGetTxRsvTime(struct vnt_private *priv, u8 pkt_type, + u32 frame_length, u16 rate, int need_ack) { - u32 uDataTime, uAckTime; + u32 data_time, ack_time; - uDataTime = BBuGetFrameTime(pDevice->byPreambleType, byPktType, cbFrameLength, wRate); - if (byPktType == PK_TYPE_11B) {//llb,CCK mode - uAckTime = BBuGetFrameTime(pDevice->byPreambleType, byPktType, 14, (u16)pDevice->byTopCCKBasicRate); - } else {//11g 2.4G OFDM mode & 11a 5G OFDM mode - uAckTime = BBuGetFrameTime(pDevice->byPreambleType, byPktType, 14, (u16)pDevice->byTopOFDMBasicRate); - } + data_time = BBuGetFrameTime(priv->byPreambleType, pkt_type, + frame_length, rate); - if (bNeedAck) { - return (uDataTime + pDevice->uSIFS + uAckTime); - } - else { - return uDataTime; - } + if (pkt_type == PK_TYPE_11B) + ack_time = BBuGetFrameTime(priv->byPreambleType, pkt_type, 14, + (u16)priv->byTopCCKBasicRate); + else + ack_time = BBuGetFrameTime(priv->byPreambleType, pkt_type, 14, + (u16)priv->byTopOFDMBasicRate); + + if (need_ack) + return data_time + priv->uSIFS + ack_time; + + return data_time; +} + +static __le16 vnt_rxtx_rsvtime_le16(struct vnt_private *priv, u8 pkt_type, + u32 frame_length, u16 rate, int need_ack) +{ + return cpu_to_le16((u16)s_uGetTxRsvTime(priv, pkt_type, + frame_length, rate, need_ack)); } //byFreqType: 0=>5GHZ 1=>2.4GHZ -static u32 s_uGetRTSCTSRsvTime(struct vnt_private *pDevice, - u8 byRTSRsvType, u8 byPktType, u32 cbFrameLength, u16 wCurrentRate) +static __le16 s_uGetRTSCTSRsvTime(struct vnt_private *priv, + u8 rsv_type, u8 pkt_type, u32 frame_length, u16 current_rate) { - u32 uRrvTime, uRTSTime, uCTSTime, uAckTime, uDataTime; + u32 rrv_time, rts_time, cts_time, ack_time, data_time; + + rrv_time = rts_time = cts_time = ack_time = data_time = 0; + + data_time = BBuGetFrameTime(priv->byPreambleType, pkt_type, + frame_length, 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 cpu_to_le16((u16)rrv_time); + } - uRrvTime = uRTSTime = uCTSTime = uAckTime = uDataTime = 0; + rrv_time = rts_time + cts_time + ack_time + data_time + 3 * priv->uSIFS; - 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; - } - - //RTSRrvTime - uRrvTime = uRTSTime + uCTSTime + uAckTime + uDataTime + 3*pDevice->uSIFS; - return uRrvTime; + return cpu_to_le16((u16)rrv_time); } //byFreqType 0: 5GHz, 1:2.4Ghz -static u32 s_uGetDataDuration(struct vnt_private *pDevice, u8 byDurType, +static __le16 s_uGetDataDuration(struct vnt_private *pDevice, + u8 byPktType, int bNeedAck) +{ + u32 uAckTime = 0; + + if (bNeedAck) { + if (byPktType == PK_TYPE_11B) + uAckTime = BBuGetFrameTime(pDevice->byPreambleType, + byPktType, 14, pDevice->byTopCCKBasicRate); + else + uAckTime = BBuGetFrameTime(pDevice->byPreambleType, + byPktType, 14, pDevice->byTopOFDMBasicRate); + return cpu_to_le16((u16)(pDevice->uSIFS + uAckTime)); + } + + return 0; +} + +//byFreqType: 0=>5GHZ 1=>2.4GHZ +static __le16 s_uGetRTSCTSDuration(struct vnt_private *pDevice, u8 byDurType, u32 cbFrameLength, u8 byPktType, u16 wRate, int bNeedAck, - u32 uFragIdx, u32 cbLastFragmentSize, u32 uMACfragNum, u8 byFBOption) { - int bLastFrag = 0; - u32 uAckTime = 0, uNextPktTime = 0; + u32 uCTSTime = 0, uDurTime = 0; - if (uFragIdx == (uMACfragNum-1)) { - bLastFrag = 1; - } + 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_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 CTSDUR_BA: + case CTSDUR_BA_F0: + case CTSDUR_BA_F1: + uDurTime = pDevice->uSIFS + s_uGetTxRsvTime(pDevice, + byPktType, cbFrameLength, wRate, bNeedAck); + break; + + default: + break; + } - switch (byDurType) { + return cpu_to_le16((u16)uDurTime); +} - case DATADUR_B: //DATADUR_B - if (((uMACfragNum == 1)) || (bLastFrag == 1)) {//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 - 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); - } - } - 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 DATADUR_A: //DATADUR_A - if (((uMACfragNum==1)) || (bLastFrag==1)) {//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(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); - } - } - break; + /* Get Duration and TimeStamp */ + buf->duration_a = s_uGetDataDuration(priv, pkt_type, need_ack); + buf->duration_b = s_uGetDataDuration(priv, PK_TYPE_11B, need_ack); - case DATADUR_A_F0: //DATADUR_A_F0 - if (((uMACfragNum==1)) || (bLastFrag==1)) {//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_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); - } - } + buf->time_stamp_off_a = vnt_time_stamp_off(priv, rate); + buf->time_stamp_off_b = vnt_time_stamp_off(priv, + priv->byTopCCKBasicRate); - if(bNeedAck){ - uAckTime = BBuGetFrameTime(pDevice->byPreambleType, byPktType, 14, pDevice->byTopOFDMBasicRate); - return (pDevice->uSIFS + uAckTime + uNextPktTime); - } else { - return (pDevice->uSIFS + uNextPktTime); - } - } - break; - - case DATADUR_A_F1: //DATADUR_A_F1 - if (((uMACfragNum==1)) || (bLastFrag==1)) {//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); - } + return le16_to_cpu(buf->duration_a); +} - } else { // (byFBOption == AUTO_FB_1) - if (wRate < RATE_18M) - wRate = RATE_18M; - else if (wRate > RATE_54M) - wRate = RATE_54M; +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); - 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); - } - } - break; + BBvCalculateParameter(priv, frame_len, priv->byTopCCKBasicRate, + PK_TYPE_11B, &buf->b); - default: - break; - } + /* Get Duration and TimeStamp */ + buf->duration_a = s_uGetDataDuration(priv, pkt_type, need_ack); + buf->duration_b = s_uGetDataDuration(priv, PK_TYPE_11B, need_ack); + + buf->duration_a_f0 = s_uGetDataDuration(priv, pkt_type, need_ack); + buf->duration_a_f1 = s_uGetDataDuration(priv, pkt_type, need_ack); + + buf->time_stamp_off_a = vnt_time_stamp_off(priv, rate); + buf->time_stamp_off_b = vnt_time_stamp_off(priv, + priv->byTopCCKBasicRate); + + return le16_to_cpu(buf->duration_a); +} + +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->duration = s_uGetDataDuration(priv, pkt_type, need_ack); + + buf->duration_f0 = s_uGetDataDuration(priv, pkt_type, need_ack); + buf->duration_f1 = s_uGetDataDuration(priv, pkt_type, need_ack); + + buf->time_stamp_off = vnt_time_stamp_off(priv, rate); + + return le16_to_cpu(buf->duration); +} + +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->duration = s_uGetDataDuration(priv, pkt_type, need_ack); + + buf->time_stamp_off = vnt_time_stamp_off(priv, rate); + + return le16_to_cpu(buf->duration); +} + +static int vnt_fill_ieee80211_rts(struct vnt_private *priv, + struct ieee80211_rts *rts, struct ethhdr *eth_hdr, + __le16 duration) +{ + rts->duration = duration; + rts->frame_control = + cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_RTS); + + if (priv->op_mode == NL80211_IFTYPE_ADHOC || + priv->op_mode == NL80211_IFTYPE_AP) + memcpy(rts->ra, eth_hdr->h_dest, ETH_ALEN); + else + memcpy(rts->ra, priv->abyBSSID, ETH_ALEN); + + if (priv->op_mode == NL80211_IFTYPE_AP) + memcpy(rts->ta, priv->abyBSSID, ETH_ALEN); + else + memcpy(rts->ta, eth_hdr->h_source, ETH_ALEN); - ASSERT(false); return 0; } -//byFreqType: 0=>5GHZ 1=>2.4GHZ -static u32 s_uGetRTSCTSDuration(struct vnt_private *pDevice, u8 byDurType, - u32 cbFrameLength, u8 byPktType, u16 wRate, int bNeedAck, - u8 byFBOption) +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) { - u32 uCTSTime = 0, uDurTime = 0; + u16 rts_frame_len = 20; - switch (byDurType) { - - 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 - 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 - 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 - uDurTime = pDevice->uSIFS + s_uGetTxRsvTime(pDevice, byPktType, cbFrameLength, wRate, bNeedAck); - break; - - 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; - - 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; + BBvCalculateParameter(priv, rts_frame_len, priv->byTopCCKBasicRate, + PK_TYPE_11B, &buf->b); + BBvCalculateParameter(priv, rts_frame_len, + priv->byTopOFDMBasicRate, pkt_type, &buf->a); - 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->duration_bb = s_uGetRTSCTSDuration(priv, RTSDUR_BB, frame_len, + PK_TYPE_11B, priv->byTopCCKBasicRate, need_ack, fb_option); + buf->duration_aa = s_uGetRTSCTSDuration(priv, RTSDUR_AA, frame_len, + pkt_type, current_rate, need_ack, fb_option); + buf->duration_ba = s_uGetRTSCTSDuration(priv, RTSDUR_BA, frame_len, + pkt_type, current_rate, need_ack, fb_option); - 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; + vnt_fill_ieee80211_rts(priv, &buf->data, eth_hdr, buf->duration_aa); - default: - break; - } + return vnt_rxtx_datahead_g(priv, pkt_type, current_rate, + &buf->data_head, frame_len, need_ack); +} + +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) +{ + u16 rts_frame_len = 20; + + BBvCalculateParameter(priv, rts_frame_len, priv->byTopCCKBasicRate, + PK_TYPE_11B, &buf->b); + BBvCalculateParameter(priv, rts_frame_len, + priv->byTopOFDMBasicRate, pkt_type, &buf->a); - return uDurTime; + buf->duration_bb = s_uGetRTSCTSDuration(priv, RTSDUR_BB, frame_len, + PK_TYPE_11B, priv->byTopCCKBasicRate, need_ack, fb_option); + buf->duration_aa = s_uGetRTSCTSDuration(priv, RTSDUR_AA, frame_len, + pkt_type, current_rate, need_ack, fb_option); + buf->duration_ba = s_uGetRTSCTSDuration(priv, RTSDUR_BA, frame_len, + pkt_type, current_rate, need_ack, fb_option); + + + buf->rts_duration_ba_f0 = s_uGetRTSCTSDuration(priv, RTSDUR_BA_F0, + frame_len, pkt_type, priv->tx_rate_fb0, need_ack, fb_option); + buf->rts_duration_aa_f0 = s_uGetRTSCTSDuration(priv, RTSDUR_AA_F0, + frame_len, pkt_type, priv->tx_rate_fb0, need_ack, fb_option); + buf->rts_duration_ba_f1 = s_uGetRTSCTSDuration(priv, RTSDUR_BA_F1, + frame_len, pkt_type, priv->tx_rate_fb1, need_ack, fb_option); + buf->rts_duration_aa_f1 = s_uGetRTSCTSDuration(priv, RTSDUR_AA_F1, + frame_len, pkt_type, priv->tx_rate_fb1, need_ack, fb_option); + + vnt_fill_ieee80211_rts(priv, &buf->data, eth_hdr, buf->duration_aa); + + return vnt_rxtx_datahead_g_fb(priv, pkt_type, current_rate, + &buf->data_head, frame_len, need_ack); } -static u32 s_uFillDataHead(struct vnt_private *pDevice, - u8 byPktType, u16 wCurrentRate, void *pTxDataHead, u32 cbFrameLength, - u32 uDMAIdx, int bNeedAck, u32 uFragIdx, u32 cbLastFragmentSize, - u32 uMACfragNum, u8 byFBOption) +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) { + u16 rts_frame_len = 20; - if (pTxDataHead == NULL) { - return 0; - } + BBvCalculateParameter(priv, rts_frame_len, + priv->byTopOFDMBasicRate, pkt_type, &buf->ab); - if (byPktType == PK_TYPE_11GB || byPktType == PK_TYPE_11GA) { - if ((uDMAIdx == TYPE_ATIMDMA) || (uDMAIdx == TYPE_BEACONDMA)) { - PSTxDataHead_ab pBuf = (PSTxDataHead_ab) pTxDataHead; - //Get SignalField,ServiceField,Length - BBvCalculateParameter(pDevice, cbFrameLength, wCurrentRate, byPktType, - (u16 *)&(pBuf->wTransmitLength), (u8 *)&(pBuf->byServiceField), (u8 *)&(pBuf->bySignalField) - ); - //Get Duration and TimeStampOff - pBuf->wDuration = (u16)s_uGetDataDuration(pDevice, DATADUR_A, cbFrameLength, byPktType, - wCurrentRate, bNeedAck, uFragIdx, - cbLastFragmentSize, uMACfragNum, - byFBOption); //1: 2.4GHz - if(uDMAIdx!=TYPE_ATIMDMA) { - pBuf->wTimeStampOff = wTimeStampOff[pDevice->byPreambleType%2][wCurrentRate%MAX_RATE]; - } - return (pBuf->wDuration); - } - else { // DATA & MANAGE Frame - if (byFBOption == AUTO_FB_NONE) { - PSTxDataHead_g pBuf = (PSTxDataHead_g)pTxDataHead; - //Get SignalField,ServiceField,Length - BBvCalculateParameter(pDevice, cbFrameLength, wCurrentRate, byPktType, - (u16 *)&(pBuf->wTransmitLength_a), (u8 *)&(pBuf->byServiceField_a), (u8 *)&(pBuf->bySignalField_a) - ); - BBvCalculateParameter(pDevice, cbFrameLength, pDevice->byTopCCKBasicRate, PK_TYPE_11B, - (u16 *)&(pBuf->wTransmitLength_b), (u8 *)&(pBuf->byServiceField_b), (u8 *)&(pBuf->bySignalField_b) - ); - //Get Duration and TimeStamp - pBuf->wDuration_a = (u16)s_uGetDataDuration(pDevice, DATADUR_A, cbFrameLength, - byPktType, wCurrentRate, bNeedAck, uFragIdx, - cbLastFragmentSize, uMACfragNum, - byFBOption); //1: 2.4GHz - pBuf->wDuration_b = (u16)s_uGetDataDuration(pDevice, DATADUR_B, cbFrameLength, - PK_TYPE_11B, pDevice->byTopCCKBasicRate, - bNeedAck, uFragIdx, cbLastFragmentSize, - uMACfragNum, byFBOption); //1: 2.4GHz - - pBuf->wTimeStampOff_a = wTimeStampOff[pDevice->byPreambleType%2][wCurrentRate%MAX_RATE]; - pBuf->wTimeStampOff_b = wTimeStampOff[pDevice->byPreambleType%2][pDevice->byTopCCKBasicRate%MAX_RATE]; - return (pBuf->wDuration_a); - } else { - // Auto Fallback - PSTxDataHead_g_FB pBuf = (PSTxDataHead_g_FB)pTxDataHead; - //Get SignalField,ServiceField,Length - BBvCalculateParameter(pDevice, cbFrameLength, wCurrentRate, byPktType, - (u16 *)&(pBuf->wTransmitLength_a), (u8 *)&(pBuf->byServiceField_a), (u8 *)&(pBuf->bySignalField_a) - ); - BBvCalculateParameter(pDevice, cbFrameLength, pDevice->byTopCCKBasicRate, PK_TYPE_11B, - (u16 *)&(pBuf->wTransmitLength_b), (u8 *)&(pBuf->byServiceField_b), (u8 *)&(pBuf->bySignalField_b) - ); - //Get Duration and TimeStamp - pBuf->wDuration_a = (u16)s_uGetDataDuration(pDevice, DATADUR_A, cbFrameLength, byPktType, - wCurrentRate, bNeedAck, uFragIdx, cbLastFragmentSize, uMACfragNum, byFBOption); //1: 2.4GHz - pBuf->wDuration_b = (u16)s_uGetDataDuration(pDevice, DATADUR_B, cbFrameLength, PK_TYPE_11B, - pDevice->byTopCCKBasicRate, bNeedAck, uFragIdx, cbLastFragmentSize, uMACfragNum, byFBOption); //1: 2.4GHz - pBuf->wDuration_a_f0 = (u16)s_uGetDataDuration(pDevice, DATADUR_A_F0, cbFrameLength, byPktType, - wCurrentRate, bNeedAck, uFragIdx, cbLastFragmentSize, uMACfragNum, byFBOption); //1: 2.4GHz - pBuf->wDuration_a_f1 = (u16)s_uGetDataDuration(pDevice, DATADUR_A_F1, cbFrameLength, byPktType, - wCurrentRate, bNeedAck, uFragIdx, cbLastFragmentSize, uMACfragNum, byFBOption); //1: 2.4GHz - pBuf->wTimeStampOff_a = wTimeStampOff[pDevice->byPreambleType%2][wCurrentRate%MAX_RATE]; - pBuf->wTimeStampOff_b = wTimeStampOff[pDevice->byPreambleType%2][pDevice->byTopCCKBasicRate%MAX_RATE]; - return (pBuf->wDuration_a); - } //if (byFBOption == AUTO_FB_NONE) - } - } - else if (byPktType == PK_TYPE_11A) { - if ((byFBOption != AUTO_FB_NONE) && (uDMAIdx != TYPE_ATIMDMA) && (uDMAIdx != TYPE_BEACONDMA)) { - // Auto Fallback - PSTxDataHead_a_FB pBuf = (PSTxDataHead_a_FB)pTxDataHead; - //Get SignalField,ServiceField,Length - BBvCalculateParameter(pDevice, cbFrameLength, wCurrentRate, byPktType, - (u16 *)&(pBuf->wTransmitLength), (u8 *)&(pBuf->byServiceField), (u8 *)&(pBuf->bySignalField) - ); - //Get Duration and TimeStampOff - pBuf->wDuration = (u16)s_uGetDataDuration(pDevice, DATADUR_A, cbFrameLength, byPktType, - wCurrentRate, bNeedAck, uFragIdx, cbLastFragmentSize, uMACfragNum, byFBOption); //0: 5GHz - pBuf->wDuration_f0 = (u16)s_uGetDataDuration(pDevice, DATADUR_A_F0, cbFrameLength, byPktType, - wCurrentRate, bNeedAck, uFragIdx, cbLastFragmentSize, uMACfragNum, byFBOption); //0: 5GHz - pBuf->wDuration_f1 = (u16)s_uGetDataDuration(pDevice, DATADUR_A_F1, cbFrameLength, byPktType, - wCurrentRate, bNeedAck, uFragIdx, cbLastFragmentSize, uMACfragNum, byFBOption); //0: 5GHz - if(uDMAIdx!=TYPE_ATIMDMA) { - pBuf->wTimeStampOff = wTimeStampOff[pDevice->byPreambleType%2][wCurrentRate%MAX_RATE]; - } - return (pBuf->wDuration); - } else { - PSTxDataHead_ab pBuf = (PSTxDataHead_ab)pTxDataHead; - //Get SignalField,ServiceField,Length - BBvCalculateParameter(pDevice, cbFrameLength, wCurrentRate, byPktType, - (u16 *)&(pBuf->wTransmitLength), (u8 *)&(pBuf->byServiceField), (u8 *)&(pBuf->bySignalField) - ); - //Get Duration and TimeStampOff - pBuf->wDuration = (u16)s_uGetDataDuration(pDevice, DATADUR_A, cbFrameLength, byPktType, - wCurrentRate, bNeedAck, uFragIdx, - cbLastFragmentSize, uMACfragNum, - byFBOption); - - if(uDMAIdx!=TYPE_ATIMDMA) { - pBuf->wTimeStampOff = wTimeStampOff[pDevice->byPreambleType%2][wCurrentRate%MAX_RATE]; - } - return (pBuf->wDuration); - } - } - else if (byPktType == PK_TYPE_11B) { - PSTxDataHead_ab pBuf = (PSTxDataHead_ab)pTxDataHead; - //Get SignalField,ServiceField,Length - BBvCalculateParameter(pDevice, cbFrameLength, wCurrentRate, byPktType, - (u16 *)&(pBuf->wTransmitLength), (u8 *)&(pBuf->byServiceField), (u8 *)&(pBuf->bySignalField) - ); - //Get Duration and TimeStampOff - pBuf->wDuration = (u16)s_uGetDataDuration(pDevice, DATADUR_B, cbFrameLength, byPktType, - wCurrentRate, bNeedAck, uFragIdx, - cbLastFragmentSize, uMACfragNum, - byFBOption); - if (uDMAIdx != TYPE_ATIMDMA) { - pBuf->wTimeStampOff = wTimeStampOff[pDevice->byPreambleType%2][wCurrentRate%MAX_RATE]; - } - return (pBuf->wDuration); - } - return 0; + buf->duration = s_uGetRTSCTSDuration(priv, RTSDUR_AA, frame_len, + pkt_type, current_rate, need_ack, fb_option); + + vnt_fill_ieee80211_rts(priv, &buf->data, eth_hdr, buf->duration); + + return vnt_rxtx_datahead_ab(priv, pkt_type, current_rate, + &buf->data_head, frame_len, need_ack); } -static void s_vFillRTSHead(struct vnt_private *pDevice, u8 byPktType, - void *pvRTS, u32 cbFrameLength, int bNeedAck, int bDisCRC, - struct ethhdr *psEthHeader, u16 wCurrentRate, u8 byFBOption) +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) { - u32 uRTSFrameLen = 20; - u16 wLen = 0; + u16 rts_frame_len = 20; - if (pvRTS == NULL) - return; + BBvCalculateParameter(priv, rts_frame_len, + priv->byTopOFDMBasicRate, pkt_type, &buf->a); - 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. - uRTSFrameLen -= 4; - } + buf->duration = s_uGetRTSCTSDuration(priv, RTSDUR_AA, frame_len, + pkt_type, current_rate, need_ack, fb_option); - // Note: So far RTSHead doesn't appear in ATIM & Beacom DMA, so we don't need to take them into account. - // Otherwise, we need to modified codes for them. - if (byPktType == PK_TYPE_11GB || byPktType == PK_TYPE_11GA) { - if (byFBOption == AUTO_FB_NONE) { - PSRTS_g pBuf = (PSRTS_g)pvRTS; - //Get SignalField,ServiceField,Length - BBvCalculateParameter(pDevice, uRTSFrameLen, pDevice->byTopCCKBasicRate, PK_TYPE_11B, - (u16 *)&(wLen), (u8 *)&(pBuf->byServiceField_b), (u8 *)&(pBuf->bySignalField_b) - ); - pBuf->wTransmitLength_b = cpu_to_le16(wLen); - BBvCalculateParameter(pDevice, uRTSFrameLen, pDevice->byTopOFDMBasicRate, byPktType, - (u16 *)&(wLen), (u8 *)&(pBuf->byServiceField_a), (u8 *)&(pBuf->bySignalField_a) - ); - pBuf->wTransmitLength_a = cpu_to_le16(wLen); - //Get Duration - pBuf->wDuration_bb = cpu_to_le16((u16)s_uGetRTSCTSDuration(pDevice, RTSDUR_BB, cbFrameLength, PK_TYPE_11B, pDevice->byTopCCKBasicRate, bNeedAck, byFBOption)); //0:RTSDuration_bb, 1:2.4G, 1:CCKData - pBuf->wDuration_aa = cpu_to_le16((u16)s_uGetRTSCTSDuration(pDevice, RTSDUR_AA, cbFrameLength, byPktType, wCurrentRate, bNeedAck, byFBOption)); //2:RTSDuration_aa, 1:2.4G, 2,3: 2.4G OFDMData - pBuf->wDuration_ba = cpu_to_le16((u16)s_uGetRTSCTSDuration(pDevice, RTSDUR_BA, cbFrameLength, byPktType, wCurrentRate, bNeedAck, byFBOption)); //1:RTSDuration_ba, 1:2.4G, 2,3:2.4G OFDM Data - - pBuf->Data.wDurationID = pBuf->wDuration_aa; - //Get RTS Frame body - pBuf->Data.wFrameControl = TYPE_CTL_RTS;//0x00B4 - - if ((pDevice->eOPMode == OP_MODE_ADHOC) || - (pDevice->eOPMode == OP_MODE_AP)) { - memcpy(&(pBuf->Data.abyRA[0]), - &(psEthHeader->h_dest[0]), - ETH_ALEN); - } - else { - memcpy(&(pBuf->Data.abyRA[0]), - &(pDevice->abyBSSID[0]), - ETH_ALEN); - } - if (pDevice->eOPMode == OP_MODE_AP) { - memcpy(&(pBuf->Data.abyTA[0]), - &(pDevice->abyBSSID[0]), - ETH_ALEN); - } - else { - memcpy(&(pBuf->Data.abyTA[0]), - &(psEthHeader->h_source[0]), - ETH_ALEN); - } - } - else { - PSRTS_g_FB pBuf = (PSRTS_g_FB)pvRTS; - //Get SignalField,ServiceField,Length - BBvCalculateParameter(pDevice, uRTSFrameLen, pDevice->byTopCCKBasicRate, PK_TYPE_11B, - (u16 *)&(wLen), (u8 *)&(pBuf->byServiceField_b), (u8 *)&(pBuf->bySignalField_b) - ); - pBuf->wTransmitLength_b = cpu_to_le16(wLen); - BBvCalculateParameter(pDevice, uRTSFrameLen, pDevice->byTopOFDMBasicRate, byPktType, - (u16 *)&(wLen), (u8 *)&(pBuf->byServiceField_a), (u8 *)&(pBuf->bySignalField_a) - ); - pBuf->wTransmitLength_a = cpu_to_le16(wLen); - //Get Duration - pBuf->wDuration_bb = cpu_to_le16((u16)s_uGetRTSCTSDuration(pDevice, RTSDUR_BB, cbFrameLength, PK_TYPE_11B, pDevice->byTopCCKBasicRate, bNeedAck, byFBOption)); //0:RTSDuration_bb, 1:2.4G, 1:CCKData - pBuf->wDuration_aa = cpu_to_le16((u16)s_uGetRTSCTSDuration(pDevice, RTSDUR_AA, cbFrameLength, byPktType, wCurrentRate, bNeedAck, byFBOption)); //2:RTSDuration_aa, 1:2.4G, 2,3:2.4G OFDMData - pBuf->wDuration_ba = cpu_to_le16((u16)s_uGetRTSCTSDuration(pDevice, RTSDUR_BA, cbFrameLength, byPktType, wCurrentRate, bNeedAck, byFBOption)); //1:RTSDuration_ba, 1:2.4G, 2,3:2.4G OFDMData - pBuf->wRTSDuration_ba_f0 = cpu_to_le16((u16)s_uGetRTSCTSDuration(pDevice, RTSDUR_BA_F0, cbFrameLength, byPktType, wCurrentRate, bNeedAck, byFBOption)); //4:wRTSDuration_ba_f0, 1:2.4G, 1:CCKData - pBuf->wRTSDuration_aa_f0 = cpu_to_le16((u16)s_uGetRTSCTSDuration(pDevice, RTSDUR_AA_F0, cbFrameLength, byPktType, wCurrentRate, bNeedAck, byFBOption)); //5:wRTSDuration_aa_f0, 1:2.4G, 1:CCKData - pBuf->wRTSDuration_ba_f1 = cpu_to_le16((u16)s_uGetRTSCTSDuration(pDevice, RTSDUR_BA_F1, cbFrameLength, byPktType, wCurrentRate, bNeedAck, byFBOption)); //6:wRTSDuration_ba_f1, 1:2.4G, 1:CCKData - pBuf->wRTSDuration_aa_f1 = cpu_to_le16((u16)s_uGetRTSCTSDuration(pDevice, RTSDUR_AA_F1, cbFrameLength, byPktType, wCurrentRate, bNeedAck, byFBOption)); //7:wRTSDuration_aa_f1, 1:2.4G, 1:CCKData - pBuf->Data.wDurationID = pBuf->wDuration_aa; - //Get RTS Frame body - pBuf->Data.wFrameControl = TYPE_CTL_RTS;//0x00B4 - - if ((pDevice->eOPMode == OP_MODE_ADHOC) || - (pDevice->eOPMode == OP_MODE_AP)) { - memcpy(&(pBuf->Data.abyRA[0]), - &(psEthHeader->h_dest[0]), - ETH_ALEN); - } - else { - memcpy(&(pBuf->Data.abyRA[0]), - &(pDevice->abyBSSID[0]), - ETH_ALEN); - } + buf->rts_duration_f0 = s_uGetRTSCTSDuration(priv, RTSDUR_AA_F0, + frame_len, pkt_type, priv->tx_rate_fb0, need_ack, fb_option); - if (pDevice->eOPMode == OP_MODE_AP) { - memcpy(&(pBuf->Data.abyTA[0]), - &(pDevice->abyBSSID[0]), - ETH_ALEN); - } - else { - memcpy(&(pBuf->Data.abyTA[0]), - &(psEthHeader->h_source[0]), - ETH_ALEN); - } + buf->rts_duration_f1 = s_uGetRTSCTSDuration(priv, RTSDUR_AA_F1, + frame_len, pkt_type, priv->tx_rate_fb1, need_ack, fb_option); - } // if (byFBOption == AUTO_FB_NONE) - } - else if (byPktType == PK_TYPE_11A) { - if (byFBOption == AUTO_FB_NONE) { - PSRTS_ab pBuf = (PSRTS_ab)pvRTS; - //Get SignalField,ServiceField,Length - BBvCalculateParameter(pDevice, uRTSFrameLen, pDevice->byTopOFDMBasicRate, byPktType, - (u16 *)&(wLen), (u8 *)&(pBuf->byServiceField), (u8 *)&(pBuf->bySignalField) - ); - pBuf->wTransmitLength = cpu_to_le16(wLen); - //Get Duration - pBuf->wDuration = cpu_to_le16((u16)s_uGetRTSCTSDuration(pDevice, RTSDUR_AA, cbFrameLength, byPktType, wCurrentRate, bNeedAck, byFBOption)); //0:RTSDuration_aa, 0:5G, 0: 5G OFDMData - pBuf->Data.wDurationID = pBuf->wDuration; - //Get RTS Frame body - pBuf->Data.wFrameControl = TYPE_CTL_RTS;//0x00B4 - - if ((pDevice->eOPMode == OP_MODE_ADHOC) || - (pDevice->eOPMode == OP_MODE_AP)) { - memcpy(&(pBuf->Data.abyRA[0]), - &(psEthHeader->h_dest[0]), - ETH_ALEN); - } else { - memcpy(&(pBuf->Data.abyRA[0]), - &(pDevice->abyBSSID[0]), - ETH_ALEN); - } + vnt_fill_ieee80211_rts(priv, &buf->data, eth_hdr, buf->duration); - if (pDevice->eOPMode == OP_MODE_AP) { - memcpy(&(pBuf->Data.abyTA[0]), - &(pDevice->abyBSSID[0]), - ETH_ALEN); - } else { - memcpy(&(pBuf->Data.abyTA[0]), - &(psEthHeader->h_source[0]), - ETH_ALEN); - } + return vnt_rxtx_datahead_a_fb(priv, pkt_type, current_rate, + &buf->data_head, frame_len, need_ack); +} - } - else { - PSRTS_a_FB pBuf = (PSRTS_a_FB)pvRTS; - //Get SignalField,ServiceField,Length - BBvCalculateParameter(pDevice, uRTSFrameLen, pDevice->byTopOFDMBasicRate, byPktType, - (u16 *)&(wLen), (u8 *)&(pBuf->byServiceField), (u8 *)&(pBuf->bySignalField) - ); - pBuf->wTransmitLength = cpu_to_le16(wLen); - //Get Duration - pBuf->wDuration = cpu_to_le16((u16)s_uGetRTSCTSDuration(pDevice, RTSDUR_AA, cbFrameLength, byPktType, wCurrentRate, bNeedAck, byFBOption)); //0:RTSDuration_aa, 0:5G, 0: 5G OFDMData - pBuf->wRTSDuration_f0 = cpu_to_le16((u16)s_uGetRTSCTSDuration(pDevice, RTSDUR_AA_F0, cbFrameLength, byPktType, wCurrentRate, bNeedAck, byFBOption)); //5:RTSDuration_aa_f0, 0:5G, 0: 5G OFDMData - pBuf->wRTSDuration_f1 = cpu_to_le16((u16)s_uGetRTSCTSDuration(pDevice, RTSDUR_AA_F1, cbFrameLength, byPktType, wCurrentRate, bNeedAck, byFBOption)); //7:RTSDuration_aa_f1, 0:5G, 0: - pBuf->Data.wDurationID = pBuf->wDuration; - //Get RTS Frame body - pBuf->Data.wFrameControl = TYPE_CTL_RTS;//0x00B4 - - if ((pDevice->eOPMode == OP_MODE_ADHOC) || - (pDevice->eOPMode == OP_MODE_AP)) { - memcpy(&(pBuf->Data.abyRA[0]), - &(psEthHeader->h_dest[0]), - ETH_ALEN); - } else { - memcpy(&(pBuf->Data.abyRA[0]), - &(pDevice->abyBSSID[0]), - ETH_ALEN); - } - if (pDevice->eOPMode == OP_MODE_AP) { - memcpy(&(pBuf->Data.abyTA[0]), - &(pDevice->abyBSSID[0]), - ETH_ALEN); - } else { - memcpy(&(pBuf->Data.abyTA[0]), - &(psEthHeader->h_source[0]), - ETH_ALEN); +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 0; + + /* Note: So far RTSHead doesn't appear in ATIM + * & Beacom DMA, so we don't need to take them + * into account. + * Otherwise, we need to modified codes for them. + */ + switch (byPktType) { + case PK_TYPE_11GB: + case PK_TYPE_11GA: + if (byFBOption == AUTO_FB_NONE) + return vnt_rxtx_rts_g_head(pDevice, &head->rts_g, + psEthHeader, byPktType, cbFrameLength, + bNeedAck, wCurrentRate, byFBOption); + else + 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) { + return vnt_rxtx_rts_a_fb_head(pDevice, &head->rts_a_fb, + psEthHeader, byPktType, cbFrameLength, + bNeedAck, wCurrentRate, byFBOption); + break; + } + case PK_TYPE_11B: + return vnt_rxtx_rts_ab_head(pDevice, &head->rts_ab, + psEthHeader, byPktType, cbFrameLength, + bNeedAck, wCurrentRate, byFBOption); } - } - } - else if (byPktType == PK_TYPE_11B) { - PSRTS_ab pBuf = (PSRTS_ab)pvRTS; - //Get SignalField,ServiceField,Length - BBvCalculateParameter(pDevice, uRTSFrameLen, pDevice->byTopCCKBasicRate, PK_TYPE_11B, - (u16 *)&(wLen), (u8 *)&(pBuf->byServiceField), (u8 *)&(pBuf->bySignalField) - ); - pBuf->wTransmitLength = cpu_to_le16(wLen); - //Get Duration - pBuf->wDuration = cpu_to_le16((u16)s_uGetRTSCTSDuration(pDevice, RTSDUR_BB, cbFrameLength, byPktType, wCurrentRate, bNeedAck, byFBOption)); //0:RTSDuration_bb, 1:2.4G, 1:CCKData - pBuf->Data.wDurationID = pBuf->wDuration; - //Get RTS Frame body - pBuf->Data.wFrameControl = TYPE_CTL_RTS;//0x00B4 - - if ((pDevice->eOPMode == OP_MODE_ADHOC) || - (pDevice->eOPMode == OP_MODE_AP)) { - memcpy(&(pBuf->Data.abyRA[0]), - &(psEthHeader->h_dest[0]), - ETH_ALEN); - } - else { - memcpy(&(pBuf->Data.abyRA[0]), - &(pDevice->abyBSSID[0]), - ETH_ALEN); - } - if (pDevice->eOPMode == OP_MODE_AP) { - memcpy(&(pBuf->Data.abyTA[0]), - &(pDevice->abyBSSID[0]), - ETH_ALEN); - } else { - memcpy(&(pBuf->Data.abyTA[0]), - &(psEthHeader->h_source[0]), - ETH_ALEN); - } - } + return 0; } -static void s_vFillCTSHead(struct vnt_private *pDevice, u32 uDMAIdx, - u8 byPktType, void *pvCTS, u32 cbFrameLength, int bNeedAck, - int bDisCRC, u16 wCurrentRate, u8 byFBOption) +static u16 s_vFillCTSHead(struct vnt_private *pDevice, + u8 byPktType, union vnt_tx_data_head *head, u32 cbFrameLength, + int bNeedAck, u16 wCurrentRate, u8 byFBOption) { u32 uCTSFrameLen = 14; - u16 wLen = 0; - if (pvCTS == NULL) { - return; - } + if (!head) + return 0; + + if (byFBOption != AUTO_FB_NONE) { + /* Auto Fall back */ + struct vnt_cts_fb *pBuf = &head->cts_g_fb; + /* Get SignalField,ServiceField,Length */ + BBvCalculateParameter(pDevice, uCTSFrameLen, + pDevice->byTopCCKBasicRate, PK_TYPE_11B, &pBuf->b); + pBuf->duration_ba = s_uGetRTSCTSDuration(pDevice, CTSDUR_BA, + cbFrameLength, byPktType, + wCurrentRate, bNeedAck, byFBOption); + /* Get CTSDuration_ba_f0 */ + pBuf->cts_duration_ba_f0 = s_uGetRTSCTSDuration(pDevice, + CTSDUR_BA_F0, cbFrameLength, byPktType, + pDevice->tx_rate_fb0, bNeedAck, byFBOption); + /* Get CTSDuration_ba_f1 */ + pBuf->cts_duration_ba_f1 = s_uGetRTSCTSDuration(pDevice, + CTSDUR_BA_F1, cbFrameLength, byPktType, + pDevice->tx_rate_fb1, bNeedAck, byFBOption); + /* Get CTS Frame body */ + pBuf->data.duration = pBuf->duration_ba; + pBuf->data.frame_control = + cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_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 */ + BBvCalculateParameter(pDevice, uCTSFrameLen, + pDevice->byTopCCKBasicRate, PK_TYPE_11B, &pBuf->b); + /* Get CTSDuration_ba */ + pBuf->duration_ba = s_uGetRTSCTSDuration(pDevice, + CTSDUR_BA, cbFrameLength, byPktType, + wCurrentRate, bNeedAck, byFBOption); + /*Get CTS Frame body*/ + pBuf->data.duration = pBuf->duration_ba; + pBuf->data.frame_control = + cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTS); - 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. - uCTSFrameLen -= 4; - } + memcpy(pBuf->data.ra, pDevice->abyCurrentNetAddr, ETH_ALEN); - if (byPktType == PK_TYPE_11GB || byPktType == PK_TYPE_11GA) { - if (byFBOption != AUTO_FB_NONE && uDMAIdx != TYPE_ATIMDMA && uDMAIdx != TYPE_BEACONDMA) { - // Auto Fall back - PSCTS_FB pBuf = (PSCTS_FB)pvCTS; - //Get SignalField,ServiceField,Length - BBvCalculateParameter(pDevice, uCTSFrameLen, pDevice->byTopCCKBasicRate, PK_TYPE_11B, - (u16 *)&(wLen), (u8 *)&(pBuf->byServiceField_b), (u8 *)&(pBuf->bySignalField_b) - ); - pBuf->wTransmitLength_b = cpu_to_le16(wLen); - pBuf->wDuration_ba = (u16)s_uGetRTSCTSDuration(pDevice, CTSDUR_BA, cbFrameLength, byPktType, wCurrentRate, bNeedAck, byFBOption); //3:CTSDuration_ba, 1:2.4G, 2,3:2.4G OFDM Data - pBuf->wDuration_ba += pDevice->wCTSDuration; - pBuf->wDuration_ba = cpu_to_le16(pBuf->wDuration_ba); - //Get CTSDuration_ba_f0 - pBuf->wCTSDuration_ba_f0 = (u16)s_uGetRTSCTSDuration(pDevice, CTSDUR_BA_F0, cbFrameLength, byPktType, wCurrentRate, bNeedAck, byFBOption); //8:CTSDuration_ba_f0, 1:2.4G, 2,3:2.4G OFDM Data - pBuf->wCTSDuration_ba_f0 += pDevice->wCTSDuration; - pBuf->wCTSDuration_ba_f0 = cpu_to_le16(pBuf->wCTSDuration_ba_f0); - //Get CTSDuration_ba_f1 - pBuf->wCTSDuration_ba_f1 = (u16)s_uGetRTSCTSDuration(pDevice, CTSDUR_BA_F1, cbFrameLength, byPktType, wCurrentRate, bNeedAck, byFBOption); //9:CTSDuration_ba_f1, 1:2.4G, 2,3:2.4G OFDM Data - pBuf->wCTSDuration_ba_f1 += pDevice->wCTSDuration; - pBuf->wCTSDuration_ba_f1 = cpu_to_le16(pBuf->wCTSDuration_ba_f1); - //Get CTS Frame body - pBuf->Data.wDurationID = pBuf->wDuration_ba; - pBuf->Data.wFrameControl = TYPE_CTL_CTS;//0x00C4 - pBuf->Data.wReserved = 0x0000; - memcpy(&(pBuf->Data.abyRA[0]), - &(pDevice->abyCurrentNetAddr[0]), - ETH_ALEN); - } else { //if (byFBOption != AUTO_FB_NONE && uDMAIdx != TYPE_ATIMDMA && uDMAIdx != TYPE_BEACONDMA) - PSCTS pBuf = (PSCTS)pvCTS; - //Get SignalField,ServiceField,Length - BBvCalculateParameter(pDevice, uCTSFrameLen, pDevice->byTopCCKBasicRate, PK_TYPE_11B, - (u16 *)&(wLen), (u8 *)&(pBuf->byServiceField_b), (u8 *)&(pBuf->bySignalField_b) - ); - pBuf->wTransmitLength_b = cpu_to_le16(wLen); - //Get CTSDuration_ba - pBuf->wDuration_ba = cpu_to_le16((u16)s_uGetRTSCTSDuration(pDevice, CTSDUR_BA, cbFrameLength, byPktType, wCurrentRate, bNeedAck, byFBOption)); //3:CTSDuration_ba, 1:2.4G, 2,3:2.4G OFDM Data - pBuf->wDuration_ba += pDevice->wCTSDuration; - pBuf->wDuration_ba = cpu_to_le16(pBuf->wDuration_ba); - - //Get CTS Frame body - pBuf->Data.wDurationID = pBuf->wDuration_ba; - pBuf->Data.wFrameControl = TYPE_CTL_CTS;//0x00C4 - pBuf->Data.wReserved = 0x0000; - memcpy(&(pBuf->Data.abyRA[0]), - &(pDevice->abyCurrentNetAddr[0]), - ETH_ALEN); + return vnt_rxtx_datahead_g(pDevice, byPktType, wCurrentRate, + &pBuf->data_head, cbFrameLength, bNeedAck); } - } + + return 0; } /*+ @@ -1061,7 +785,6 @@ static void s_vFillCTSHead(struct vnt_private *pDevice, u32 uDMAIdx, * pCTS - CTS Buffer * cbFrameSize - Transmit Data Length (Hdr+Payload+FCS) * bNeedACK - If need ACK - * uDMAIdx - DMA Index * Out: * none * @@ -1069,104 +792,153 @@ 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 *pvRTS, void *pvCTS, u32 cbFrameSize, int bNeedACK, u32 uDMAIdx, - struct ethhdr *psEthHeader) +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, struct ethhdr *psEthHeader, bool need_rts) { - u32 cbMACHdLen = WLAN_HDR_ADDR3_LEN; /* 24 */ + struct vnt_tx_fifo_head *pFifoHead = &tx_buffer->fifo_head; + union vnt_tx_data_head *head = NULL; u16 wFifoCtl; - int bDisCRC = false; 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->current_rate = cpu_to_le16(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 (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->rts_rrv_time_aa = s_uGetRTSCTSRsvTime(pDevice, 2, + byPktType, cbFrameSize, wCurrentRate); + pBuf->rts_rrv_time_ba = s_uGetRTSCTSRsvTime(pDevice, 1, + byPktType, cbFrameSize, wCurrentRate); + pBuf->rts_rrv_time_bb = s_uGetRTSCTSRsvTime(pDevice, 0, + byPktType, cbFrameSize, wCurrentRate); + + pBuf->rrv_time_a = vnt_rxtx_rsvtime_le16(pDevice, + byPktType, cbFrameSize, wCurrentRate, bNeedACK); + pBuf->rrv_time_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); - if (wFifoCtl & FIFOCTL_CRCDIS) { - bDisCRC = true; - } + } else { + struct vnt_rrv_time_cts *pBuf = &tx_buffer-> + tx_head.tx_cts.cts; + + pBuf->rrv_time_a = vnt_rxtx_rsvtime_le16(pDevice, + byPktType, cbFrameSize, wCurrentRate, bNeedACK); + pBuf->rrv_time_b = vnt_rxtx_rsvtime_le16(pDevice, + PK_TYPE_11B, cbFrameSize, + pDevice->byTopCCKBasicRate, bNeedACK); + + pBuf->cts_rrv_time_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, 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 (wFifoCtl & FIFOCTL_AUTO_FB_0) { - byFBOption = AUTO_FB_0; - } - else if (wFifoCtl & FIFOCTL_AUTO_FB_1) { - byFBOption = AUTO_FB_1; - } + if (need_rts) { + struct vnt_rrv_time_ab *pBuf = &tx_buffer-> + tx_head.tx_ab.ab; - if (pDevice->bLongHeader) - cbMACHdLen = WLAN_HDR_ADDR3_LEN + 6; + pBuf->rts_rrv_time = s_uGetRTSCTSRsvTime(pDevice, 2, + byPktType, cbFrameSize, wCurrentRate); - if (byPktType == PK_TYPE_11GB || byPktType == PK_TYPE_11GA) { + pBuf->rrv_time = vnt_rxtx_rsvtime_le16(pDevice, + byPktType, cbFrameSize, wCurrentRate, bNeedACK); - if (pvRTS != NULL) { //RTS_need - //Fill RsvTime - if (pvRrvTime) { - PSRrvTime_gRTS pBuf = (PSRrvTime_gRTS)pvRrvTime; - pBuf->wRTSTxRrvTime_aa = cpu_to_le16((u16)s_uGetRTSCTSRsvTime(pDevice, 2, byPktType, cbFrameSize, wCurrentRate));//2:RTSTxRrvTime_aa, 1:2.4GHz - pBuf->wRTSTxRrvTime_ba = cpu_to_le16((u16)s_uGetRTSCTSRsvTime(pDevice, 1, byPktType, cbFrameSize, wCurrentRate));//1:RTSTxRrvTime_ba, 1:2.4GHz - pBuf->wRTSTxRrvTime_bb = cpu_to_le16((u16)s_uGetRTSCTSRsvTime(pDevice, 0, byPktType, cbFrameSize, wCurrentRate));//0:RTSTxRrvTime_bb, 1:2.4GHz - pBuf->wTxRrvTime_a = cpu_to_le16((u16) s_uGetTxRsvTime(pDevice, byPktType, cbFrameSize, wCurrentRate, bNeedACK));//2.4G OFDM - pBuf->wTxRrvTime_b = cpu_to_le16((u16) s_uGetTxRsvTime(pDevice, PK_TYPE_11B, cbFrameSize, pDevice->byTopCCKBasicRate, bNeedACK));//1:CCK - } - //Fill RTS - s_vFillRTSHead(pDevice, byPktType, pvRTS, cbFrameSize, bNeedACK, bDisCRC, psEthHeader, wCurrentRate, byFBOption); - } - else {//RTS_needless, PCF mode - - //Fill RsvTime - if (pvRrvTime) { - PSRrvTime_gCTS pBuf = (PSRrvTime_gCTS)pvRrvTime; - pBuf->wTxRrvTime_a = cpu_to_le16((u16)s_uGetTxRsvTime(pDevice, byPktType, cbFrameSize, wCurrentRate, bNeedACK));//2.4G OFDM - pBuf->wTxRrvTime_b = cpu_to_le16((u16)s_uGetTxRsvTime(pDevice, PK_TYPE_11B, cbFrameSize, pDevice->byTopCCKBasicRate, bNeedACK));//1:CCK - pBuf->wCTSTxRrvTime_ba = cpu_to_le16((u16)s_uGetRTSCTSRsvTime(pDevice, 3, byPktType, cbFrameSize, wCurrentRate));//3:CTSTxRrvTime_Ba, 1:2.4GHz - } - //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 - //Fill RsvTime - if (pvRrvTime) { - PSRrvTime_ab pBuf = (PSRrvTime_ab)pvRrvTime; - pBuf->wRTSTxRrvTime = cpu_to_le16((u16)s_uGetRTSCTSRsvTime(pDevice, 2, byPktType, cbFrameSize, wCurrentRate));//2:RTSTxRrvTime_aa, 0:5GHz - pBuf->wTxRrvTime = cpu_to_le16((u16)s_uGetTxRsvTime(pDevice, byPktType, cbFrameSize, wCurrentRate, bNeedACK));//0:OFDM - } - //Fill RTS - s_vFillRTSHead(pDevice, byPktType, pvRTS, cbFrameSize, bNeedACK, bDisCRC, psEthHeader, wCurrentRate, byFBOption); - } - else if (pvRTS == NULL) {//RTS_needless, non PCF mode - //Fill RsvTime - if (pvRrvTime) { - PSRrvTime_ab pBuf = (PSRrvTime_ab)pvRrvTime; - pBuf->wTxRrvTime = cpu_to_le16((u16)s_uGetTxRsvTime(pDevice, PK_TYPE_11A, cbFrameSize, wCurrentRate, bNeedACK)); //0:OFDM - } - } - } - else if (byPktType == PK_TYPE_11B) { - - if ((pvRTS != NULL)) {//RTS_need, non PCF mode - //Fill RsvTime - if (pvRrvTime) { - PSRrvTime_ab pBuf = (PSRrvTime_ab)pvRrvTime; - pBuf->wRTSTxRrvTime = cpu_to_le16((u16)s_uGetRTSCTSRsvTime(pDevice, 0, byPktType, cbFrameSize, wCurrentRate));//0:RTSTxRrvTime_bb, 1:2.4GHz - pBuf->wTxRrvTime = cpu_to_le16((u16)s_uGetTxRsvTime(pDevice, PK_TYPE_11B, cbFrameSize, wCurrentRate, bNeedACK));//1:CCK - } - //Fill RTS - s_vFillRTSHead(pDevice, byPktType, pvRTS, cbFrameSize, bNeedACK, bDisCRC, psEthHeader, wCurrentRate, byFBOption); - } - else { //RTS_needless, non PCF mode - //Fill RsvTime - if (pvRrvTime) { - PSRrvTime_ab pBuf = (PSRrvTime_ab)pvRrvTime; - pBuf->wTxRrvTime = cpu_to_le16((u16)s_uGetTxRsvTime(pDevice, PK_TYPE_11B, cbFrameSize, wCurrentRate, bNeedACK)); //1:CCK - } - } - } - //DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"s_vGenerateTxParameter END.\n"); + /* 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->rrv_time = 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->rts_rrv_time = s_uGetRTSCTSRsvTime(pDevice, 0, + byPktType, cbFrameSize, wCurrentRate); + + pBuf->rrv_time = 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 { + struct vnt_rrv_time_ab *pBuf = &tx_buffer-> + tx_head.tx_ab.ab; + + pBuf->rrv_time = 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 @@ -1175,66 +947,51 @@ static void s_vGenerateTxParameter(struct vnt_private *pDevice, */ static int s_bPacketToWirelessUsb(struct vnt_private *pDevice, u8 byPktType, - u8 *usbPacketBuf, int bNeedEncryption, u32 uSkbPacketLen, u32 uDMAIdx, - struct ethhdr *psEthHeader, u8 *pPacket, PSKeyItem pTransmitKey, - u32 uNodeIndex, u16 wCurrentRate, u32 *pcbHeaderLen, u32 *pcbTotalLen) + struct vnt_tx_buffer *tx_buffer, int bNeedEncryption, + u32 uSkbPacketLen, struct ethhdr *psEthHeader, + u8 *pPacket, PSKeyItem pTransmitKey, u32 uNodeIndex, u16 wCurrentRate, + u32 *pcbHeaderLen, u32 *pcbTotalLen) { - struct vnt_manager *pMgmt = &pDevice->vnt_mgmt; + struct vnt_tx_fifo_head *pTxBufHead = &tx_buffer->fifo_head; u32 cbFrameSize, cbFrameBodySize; - PTX_BUFFER pTxBufHead; u32 cb802_1_H_len; u32 cbIVlen = 0, cbICVlen = 0, cbMIClen = 0, cbMACHdLen = 0; u32 cbFCSlen = 4, cbMICHDR = 0; - int bNeedACK, bRTS; + int bNeedACK; + bool bRTS = false; u8 *pbyType, *pbyMacHdr, *pbyIVHead, *pbyPayloadHead, *pbyTxBufferAddr; u8 abySNAP_RFC1042[ETH_ALEN] = {0xAA, 0xAA, 0x03, 0x00, 0x00, 0x00}; u8 abySNAP_Bridgetunnel[ETH_ALEN] = {0xAA, 0xAA, 0x03, 0x00, 0x00, 0xF8}; u32 uDuration; u32 cbHeaderLength = 0, uPadding = 0; - void *pvRrvTime; - PSMICHDRHead pMICHDR; - void *pvRTS; - void *pvCTS; - void *pvTxDataHd; + struct vnt_mic_hdr *pMICHDR; u8 byFBOption = AUTO_FB_NONE, byFragType; u16 wTxBufSize; - u32 dwMICKey0, dwMICKey1, dwMIC_Priority, dwCRC; + u32 dwMICKey0, dwMICKey1, dwMIC_Priority; u32 *pdwMIC_L, *pdwMIC_R; int bSoftWEP = false; - pvRrvTime = pMICHDR = pvRTS = pvCTS = pvTxDataHd = NULL; + pMICHDR = NULL; if (bNeedEncryption && pTransmitKey->pvKeyTable) { if (((PSKeyTable)pTransmitKey->pvKeyTable)->bSoftWEP == true) bSoftWEP = true; /* WEP 256 */ } - pTxBufHead = (PTX_BUFFER) usbPacketBuf; - memset(pTxBufHead, 0, sizeof(TX_BUFFER)); - - // Get pkt type - if (ntohs(psEthHeader->h_proto) > ETH_DATA_LEN) { - if (pDevice->dwDiagRefCount == 0) { - cb802_1_H_len = 8; - } else { - cb802_1_H_len = 2; - } - } else { - cb802_1_H_len = 0; - } + /* Get pkt type */ + if (ntohs(psEthHeader->h_proto) > ETH_DATA_LEN) + cb802_1_H_len = 8; + else + cb802_1_H_len = 0; cbFrameBodySize = uSkbPacketLen - ETH_HLEN + cb802_1_H_len; //Set packet type pTxBufHead->wFIFOCtl |= (u16)(byPktType<<8); - if (pDevice->dwDiagRefCount != 0) { - bNeedACK = false; - pTxBufHead->wFIFOCtl = pTxBufHead->wFIFOCtl & (~FIFOCTL_NEEDACK); - } else { //if (pDevice->dwDiagRefCount != 0) { - if ((pDevice->eOPMode == OP_MODE_ADHOC) || - (pDevice->eOPMode == OP_MODE_AP)) { + if (pDevice->op_mode == NL80211_IFTYPE_ADHOC || + pDevice->op_mode == NL80211_IFTYPE_AP) { if (is_multicast_ether_addr(psEthHeader->h_dest)) { bNeedACK = false; pTxBufHead->wFIFOCtl = @@ -1243,30 +1000,17 @@ static int s_bPacketToWirelessUsb(struct vnt_private *pDevice, u8 byPktType, bNeedACK = true; pTxBufHead->wFIFOCtl |= FIFOCTL_NEEDACK; } - } - else { - // MSDUs in Infra mode always need ACK - bNeedACK = true; - pTxBufHead->wFIFOCtl |= FIFOCTL_NEEDACK; - } - } //if (pDevice->dwDiagRefCount != 0) { - - pTxBufHead->wTimeStamp = DEFAULT_MSDU_LIFETIME_RES_64us; - - //Set FIFOCTL_LHEAD - if (pDevice->bLongHeader) - pTxBufHead->wFIFOCtl |= FIFOCTL_LHEAD; + } else { + /* MSDUs in Infra mode always need ACK */ + bNeedACK = true; + pTxBufHead->wFIFOCtl |= FIFOCTL_NEEDACK; + } - if (pDevice->bSoftwareGenCrcErr) { - pTxBufHead->wFIFOCtl |= FIFOCTL_CRCDIS; // set tx descriptors to NO hardware CRC - } + pTxBufHead->time_stamp = cpu_to_le16(DEFAULT_MSDU_LIFETIME_RES_64us); //Set FRAGCTL_MACHDCNT - if (pDevice->bLongHeader) { - cbMACHdLen = WLAN_HDR_ADDR3_LEN + 6; - } else { - cbMACHdLen = WLAN_HDR_ADDR3_LEN; - } + cbMACHdLen = WLAN_HDR_ADDR3_LEN; + pTxBufHead->wFragCtl |= (u16)(cbMACHdLen << 10); //Set FIFOCTL_GrpAckPolicy @@ -1274,16 +1018,27 @@ 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 @@ -1313,7 +1068,7 @@ static int s_bPacketToWirelessUsb(struct vnt_private *pDevice, u8 byPktType, if (pTransmitKey->byCipherSuite == KEY_CTL_CCMP) { cbIVlen = 8;//RSN Header cbICVlen = 8;//MIC - cbMICHDR = sizeof(SMICHDRHead); + cbMICHDR = sizeof(struct vnt_mic_hdr); } if (bSoftWEP == false) { //MAC Header should be padding 0 to DW alignment. @@ -1332,80 +1087,49 @@ 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 = (PSRrvTime_gRTS) (pbyTxBufferAddr + wTxBufSize); - pMICHDR = (PSMICHDRHead) (pbyTxBufferAddr + wTxBufSize + sizeof(SRrvTime_gRTS)); - pvRTS = (PSRTS_g) (pbyTxBufferAddr + wTxBufSize + sizeof(SRrvTime_gRTS) + cbMICHDR); - pvCTS = NULL; - pvTxDataHd = (PSTxDataHead_g) (pbyTxBufferAddr + wTxBufSize + sizeof(SRrvTime_gRTS) + cbMICHDR + sizeof(SRTS_g)); - cbHeaderLength = wTxBufSize + sizeof(SRrvTime_gRTS) + cbMICHDR + sizeof(SRTS_g) + sizeof(STxDataHead_g); + cbHeaderLength = wTxBufSize + sizeof(struct vnt_rrv_time_rts) + + cbMICHDR + sizeof(struct vnt_rts_g); } else { //RTS_needless - pvRrvTime = (PSRrvTime_gCTS) (pbyTxBufferAddr + wTxBufSize); - pMICHDR = (PSMICHDRHead) (pbyTxBufferAddr + wTxBufSize + sizeof(SRrvTime_gCTS)); - pvRTS = NULL; - pvCTS = (PSCTS) (pbyTxBufferAddr + wTxBufSize + sizeof(SRrvTime_gCTS) + cbMICHDR); - pvTxDataHd = (PSTxDataHead_g) (pbyTxBufferAddr + wTxBufSize + sizeof(SRrvTime_gCTS) + cbMICHDR + sizeof(SCTS)); - cbHeaderLength = wTxBufSize + sizeof(SRrvTime_gCTS) + cbMICHDR + sizeof(SCTS) + sizeof(STxDataHead_g); + cbHeaderLength = wTxBufSize + sizeof(struct vnt_rrv_time_cts) + + cbMICHDR + sizeof(struct vnt_cts); } } else { // Auto Fall Back if (bRTS == true) {//RTS_need - pvRrvTime = (PSRrvTime_gRTS) (pbyTxBufferAddr + wTxBufSize); - pMICHDR = (PSMICHDRHead) (pbyTxBufferAddr + wTxBufSize + sizeof(SRrvTime_gRTS)); - pvRTS = (PSRTS_g_FB) (pbyTxBufferAddr + wTxBufSize + sizeof(SRrvTime_gRTS) + cbMICHDR); - pvCTS = NULL; - pvTxDataHd = (PSTxDataHead_g_FB) (pbyTxBufferAddr + wTxBufSize + sizeof(SRrvTime_gRTS) + cbMICHDR + sizeof(SRTS_g_FB)); - cbHeaderLength = wTxBufSize + sizeof(SRrvTime_gRTS) + cbMICHDR + sizeof(SRTS_g_FB) + sizeof(STxDataHead_g_FB); + cbHeaderLength = wTxBufSize + sizeof(struct vnt_rrv_time_rts) + + cbMICHDR + sizeof(struct vnt_rts_g_fb); } else if (bRTS == false) { //RTS_needless - pvRrvTime = (PSRrvTime_gCTS) (pbyTxBufferAddr + wTxBufSize); - pMICHDR = (PSMICHDRHead) (pbyTxBufferAddr + wTxBufSize + sizeof(SRrvTime_gCTS)); - pvRTS = NULL; - pvCTS = (PSCTS_FB) (pbyTxBufferAddr + wTxBufSize + sizeof(SRrvTime_gCTS) + cbMICHDR); - pvTxDataHd = (PSTxDataHead_g_FB) (pbyTxBufferAddr + wTxBufSize + sizeof(SRrvTime_gCTS) + cbMICHDR + sizeof(SCTS_FB)); - cbHeaderLength = wTxBufSize + sizeof(SRrvTime_gCTS) + cbMICHDR + sizeof(SCTS_FB) + sizeof(STxDataHead_g_FB); + cbHeaderLength = wTxBufSize + sizeof(struct vnt_rrv_time_cts) + + 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 = (PSRrvTime_ab) (pbyTxBufferAddr + wTxBufSize); - pMICHDR = (PSMICHDRHead) (pbyTxBufferAddr + wTxBufSize + sizeof(SRrvTime_ab)); - pvRTS = (PSRTS_ab) (pbyTxBufferAddr + wTxBufSize + sizeof(SRrvTime_ab) + cbMICHDR); - pvCTS = NULL; - pvTxDataHd = (PSTxDataHead_ab) (pbyTxBufferAddr + wTxBufSize + sizeof(SRrvTime_ab) + cbMICHDR + sizeof(SRTS_ab)); - cbHeaderLength = wTxBufSize + sizeof(PSRrvTime_ab) + cbMICHDR + sizeof(SRTS_ab) + sizeof(STxDataHead_ab); + cbHeaderLength = wTxBufSize + sizeof(struct vnt_rrv_time_ab) + + cbMICHDR + sizeof(struct vnt_rts_ab); } else if (bRTS == false) { //RTS_needless, no MICHDR - pvRrvTime = (PSRrvTime_ab) (pbyTxBufferAddr + wTxBufSize); - pMICHDR = (PSMICHDRHead) (pbyTxBufferAddr + wTxBufSize + sizeof(SRrvTime_ab)); - pvRTS = NULL; - pvCTS = NULL; - pvTxDataHd = (PSTxDataHead_ab) (pbyTxBufferAddr + wTxBufSize + sizeof(SRrvTime_ab) + cbMICHDR); - cbHeaderLength = wTxBufSize + sizeof(SRrvTime_ab) + cbMICHDR + sizeof(STxDataHead_ab); + 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 = (PSRrvTime_ab) (pbyTxBufferAddr + wTxBufSize); - pMICHDR = (PSMICHDRHead) (pbyTxBufferAddr + wTxBufSize + sizeof(SRrvTime_ab)); - pvRTS = (PSRTS_a_FB) (pbyTxBufferAddr + wTxBufSize + sizeof(SRrvTime_ab) + cbMICHDR); - pvCTS = NULL; - pvTxDataHd = (PSTxDataHead_a_FB) (pbyTxBufferAddr + wTxBufSize + sizeof(SRrvTime_ab) + cbMICHDR + sizeof(SRTS_a_FB)); - cbHeaderLength = wTxBufSize + sizeof(PSRrvTime_ab) + cbMICHDR + sizeof(SRTS_a_FB) + sizeof(STxDataHead_a_FB); + cbHeaderLength = wTxBufSize + sizeof(struct vnt_rrv_time_ab) + + cbMICHDR + sizeof(struct vnt_rts_a_fb); } else if (bRTS == false) { //RTS_needless - pvRrvTime = (PSRrvTime_ab) (pbyTxBufferAddr + wTxBufSize); - pMICHDR = (PSMICHDRHead) (pbyTxBufferAddr + wTxBufSize + sizeof(SRrvTime_ab)); - pvRTS = NULL; - pvCTS = NULL; - pvTxDataHd = (PSTxDataHead_a_FB) (pbyTxBufferAddr + wTxBufSize + sizeof(SRrvTime_ab) + cbMICHDR); - cbHeaderLength = wTxBufSize + sizeof(SRrvTime_ab) + cbMICHDR + sizeof(STxDataHead_a_FB); + cbHeaderLength = wTxBufSize + sizeof(struct vnt_rrv_time_ab) + + cbMICHDR + sizeof(struct vnt_tx_datahead_a_fb); } } // Auto Fall Back } @@ -1419,49 +1143,36 @@ static int s_bPacketToWirelessUsb(struct vnt_private *pDevice, u8 byPktType, //========================= DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"No Fragmentation...\n"); byFragType = FRAGCTL_NONFRAG; - //uDMAIdx = TYPE_AC0DMA; //pTxBufHead = (PSTxBufHead) &(pTxBufHead->adwTxKey[0]); - //Fill FIFO,RrvTime,RTS,and CTS - s_vGenerateTxParameter(pDevice, byPktType, wCurrentRate, - (void *)pbyTxBufferAddr, pvRrvTime, pvRTS, pvCTS, - cbFrameSize, bNeedACK, uDMAIdx, psEthHeader); - //Fill DataHead - uDuration = s_uFillDataHead(pDevice, byPktType, wCurrentRate, pvTxDataHd, cbFrameSize, uDMAIdx, bNeedACK, - 0, 0, 1/*uMACfragNum*/, byFBOption); + /* Fill FIFO, RrvTime, RTS and CTS */ + uDuration = s_vGenerateTxParameter(pDevice, byPktType, wCurrentRate, + tx_buffer, &pMICHDR, cbMICHDR, + cbFrameSize, bNeedACK, psEthHeader, bRTS); + // Generate TX MAC Header s_vGenerateMACHeader(pDevice, pbyMacHdr, (u16)uDuration, psEthHeader, bNeedEncryption, - byFragType, uDMAIdx, 0); + byFragType, 0); if (bNeedEncryption == true) { //Fill TXKEY - s_vFillTxKey(pDevice, (u8 *)(pTxBufHead->adwTxKey), pbyIVHead, pTransmitKey, - pbyMacHdr, (u16)cbFrameBodySize, (u8 *)pMICHDR); - - if (pDevice->bEnableHostWEP) { - pMgmt->sNodeDBTable[uNodeIndex].dwTSC47_16 = pTransmitKey->dwTSC47_16; - pMgmt->sNodeDBTable[uNodeIndex].wTSC15_0 = pTransmitKey->wTSC15_0; - } + s_vFillTxKey(pDevice, pTxBufHead, pbyIVHead, pTransmitKey, + pbyMacHdr, (u16)cbFrameBodySize, pMICHDR); } - // 802.1H - if (ntohs(psEthHeader->h_proto) > ETH_DATA_LEN) { - if (pDevice->dwDiagRefCount == 0) { + /* 802.1H */ + if (ntohs(psEthHeader->h_proto) > ETH_DATA_LEN) { if ((psEthHeader->h_proto == cpu_to_be16(ETH_P_IPX)) || - (psEthHeader->h_proto == cpu_to_le16(0xF380))) { + (psEthHeader->h_proto == cpu_to_le16(0xF380))) memcpy((u8 *) (pbyPayloadHead), - abySNAP_Bridgetunnel, 6); - } else { - memcpy((u8 *) (pbyPayloadHead), &abySNAP_RFC1042[0], 6); - } - pbyType = (u8 *) (pbyPayloadHead + 6); - memcpy(pbyType, &(psEthHeader->h_proto), sizeof(u16)); - } else { - memcpy((u8 *) (pbyPayloadHead), &(psEthHeader->h_proto), sizeof(u16)); + abySNAP_Bridgetunnel, 6); + else + memcpy((u8 *) (pbyPayloadHead), &abySNAP_RFC1042[0], 6); - } + pbyType = (u8 *) (pbyPayloadHead + 6); - } + memcpy(pbyType, &(psEthHeader->h_proto), sizeof(u16)); + } if (pPacket != NULL) { // Copy the Packet into a tx Buffer @@ -1475,8 +1186,6 @@ static int s_bPacketToWirelessUsb(struct vnt_private *pDevice, u8 byPktType, memcpy((pbyPayloadHead + cb802_1_H_len), ((u8 *)psEthHeader) + ETH_HLEN, uSkbPacketLen - ETH_HLEN); } - ASSERT(uLength == cbNdisBodySize); - if ((bNeedEncryption == true) && (pTransmitKey != NULL) && (pTransmitKey->byCipherSuite == KEY_CTL_TKIP)) { /////////////////////////////////////////////////////////////////// @@ -1537,22 +1246,7 @@ static int s_bPacketToWirelessUsb(struct vnt_private *pDevice, u8 byPktType, cbFrameSize -= cbICVlen; } - if (pDevice->bSoftwareGenCrcErr == true) { - unsigned int cbLen; - u32 * pdwCRC; - - dwCRC = 0xFFFFFFFFL; - cbLen = cbFrameSize - cbFCSlen; - // calculate CRC, and wrtie CRC value to end of TD - dwCRC = CRCdwGetCrc32Ex(pbyMacHdr, cbLen, dwCRC); - pdwCRC = (u32 *)(pbyMacHdr + cbLen); - // finally, we must invert dwCRC to get the correct answer - *pdwCRC = ~dwCRC; - // Force Error - *pdwCRC -= 1; - } else { cbFrameSize -= cbFCSlen; - } *pcbHeaderLen = cbHeaderLength; *pcbTotalLen = cbHeaderLength + cbFrameSize ; @@ -1585,19 +1279,13 @@ static int s_bPacketToWirelessUsb(struct vnt_private *pDevice, u8 byPktType, static void s_vGenerateMACHeader(struct vnt_private *pDevice, u8 *pbyBufferAddr, u16 wDuration, struct ethhdr *psEthHeader, - int bNeedEncrypt, u16 wFragType, u32 uDMAIdx, u32 uFragIdx) + int bNeedEncrypt, u16 wFragType, u32 uFragIdx) { struct ieee80211_hdr *pMACHeader = (struct ieee80211_hdr *)pbyBufferAddr; - memset(pMACHeader, 0, (sizeof(struct ieee80211_hdr))); - - if (uDMAIdx == TYPE_ATIMDMA) { - pMACHeader->frame_control = TYPE_802_11_ATIM; - } else { - pMACHeader->frame_control = TYPE_802_11_DATA; - } + pMACHeader->frame_control = TYPE_802_11_DATA; - if (pDevice->eOPMode == OP_MODE_AP) { + if (pDevice->op_mode == NL80211_IFTYPE_AP) { memcpy(&(pMACHeader->addr1[0]), &(psEthHeader->h_dest[0]), ETH_ALEN); @@ -1607,7 +1295,7 @@ static void s_vGenerateMACHeader(struct vnt_private *pDevice, ETH_ALEN); pMACHeader->frame_control |= FC_FROMDS; } else { - if (pDevice->eOPMode == OP_MODE_ADHOC) { + if (pDevice->op_mode == NL80211_IFTYPE_ADHOC) { memcpy(&(pMACHeader->addr1[0]), &(psEthHeader->h_dest[0]), ETH_ALEN); @@ -1636,11 +1324,6 @@ static void s_vGenerateMACHeader(struct vnt_private *pDevice, pMACHeader->duration_id = cpu_to_le16(wDuration); - if (pDevice->bLongHeader) { - PWLAN_80211HDR_A4 pMACA4Header = (PWLAN_80211HDR_A4) pbyBufferAddr; - pMACHeader->frame_control |= (FC_TODS | FC_FROMDS); - memcpy(pMACA4Header->abyAddr4, pDevice->abyBSSID, WLAN_ADDR_LEN); - } pMACHeader->seq_ctrl = cpu_to_le16(pDevice->wSeqCounter << 4); //Set FragNumber in Sequence Control @@ -1678,14 +1361,13 @@ CMD_STATUS csMgmt_xmit(struct vnt_private *pDevice, struct vnt_tx_mgmt *pPacket) { struct vnt_manager *pMgmt = &pDevice->vnt_mgmt; - PTX_BUFFER pTX_Buffer; - PSTxBufHead pTxBufHead; - PUSB_SEND_CONTEXT pContext; + struct vnt_tx_buffer *pTX_Buffer; + struct vnt_usb_send_context *pContext; + struct vnt_tx_fifo_head *pTxBufHead; struct ieee80211_hdr *pMACHeader; - PSCTS pCTS; struct ethhdr sEthHeader; u8 byPktType, *pbyTxBufferAddr; - void *pvRTS, *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; @@ -1693,39 +1375,39 @@ CMD_STATUS csMgmt_xmit(struct vnt_private *pDevice, u16 wTxBufSize; u32 cbMacHdLen; u16 wCurrentRate = RATE_1M; + unsigned long flags; - pContext = (PUSB_SEND_CONTEXT)s_vGetFreeContext(pDevice); + if (pDevice->byBBType == BB_TYPE_11A) { + wCurrentRate = RATE_6M; + byPktType = PK_TYPE_11A; + } else { + wCurrentRate = RATE_1M; + byPktType = PK_TYPE_11B; + } - if (NULL == pContext) { - DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"ManagementSend TX...NO CONTEXT!\n"); - return CMD_STATUS_RESOURCES; - } + if (pMgmt->eScanState != WMAC_NO_SCANNING) + vnt_rf_setpower(pDevice, wCurrentRate, pDevice->byCurrentCh); + else + vnt_rf_setpower(pDevice, wCurrentRate, pMgmt->uCurrChannel); - pTX_Buffer = (PTX_BUFFER) (&pContext->Data[0]); - pbyTxBufferAddr = (u8 *)&(pTX_Buffer->adwTxKey[0]); - cbFrameBodySize = pPacket->cbPayloadLen; - pTxBufHead = (PSTxBufHead) pbyTxBufferAddr; - wTxBufSize = sizeof(STxBufHead); - memset(pTxBufHead, 0, wTxBufSize); + pDevice->wCurrentRate = wCurrentRate; - if (pDevice->byBBType == BB_TYPE_11A) { - wCurrentRate = RATE_6M; - byPktType = PK_TYPE_11A; - } else { - wCurrentRate = RATE_1M; - byPktType = PK_TYPE_11B; - } + spin_lock_irqsave(&pDevice->lock, flags); + + pContext = s_vGetFreeContext(pDevice); + if (!pContext) { + DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO + "ManagementSend TX...NO CONTEXT!\n"); + spin_unlock_irqrestore(&pDevice->lock, flags); + return CMD_STATUS_RESOURCES; + } + + pTX_Buffer = (struct vnt_tx_buffer *)&pContext->data[0]; + cbFrameBodySize = pPacket->cbPayloadLen; + pTxBufHead = &pTX_Buffer->fifo_head; + pbyTxBufferAddr = (u8 *)&pTxBufHead->adwTxKey[0]; + wTxBufSize = sizeof(struct vnt_tx_fifo_head); - // SetPower will cause error power TX state for OFDM Date packet in TX buffer. - // 2004.11.11 Kyle -- Using OFDM power to tx MngPkt will decrease the connection capability. - // And cmd timer will wait data pkt TX finish before scanning so it's OK - // to set power here. - if (pMgmt->eScanState != WMAC_NO_SCANNING) { - RFbSetPower(pDevice, wCurrentRate, pDevice->byCurrentCh); - } else { - RFbSetPower(pDevice, wCurrentRate, pMgmt->uCurrChannel); - } - pDevice->wCurrentRate = wCurrentRate; //Set packet type if (byPktType == PK_TYPE_11A) {//0000 0000 0000 0000 @@ -1742,7 +1424,7 @@ CMD_STATUS csMgmt_xmit(struct vnt_private *pDevice, } pTxBufHead->wFIFOCtl |= FIFOCTL_TMOEN; - pTxBufHead->wTimeStamp = cpu_to_le16(DEFAULT_MGN_LIFETIME_RES_64us); + pTxBufHead->time_stamp = cpu_to_le16(DEFAULT_MGN_LIFETIME_RES_64us); if (is_multicast_ether_addr(pPacket->p80211Header->sA3.abyAddr1)) { bNeedACK = false; @@ -1780,7 +1462,6 @@ CMD_STATUS csMgmt_xmit(struct vnt_private *pDevice, // Notes: // Although spec says MMPDU can be fragmented; In most case, // no one will send a MMPDU under fragmentation. With RTS may occur. - pDevice->bAES = false; //Set FRAGCTL_WEPTYP if (WLAN_GET_FC_ISWEP(pPacket->p80211Header->sA4.wFrameCtl) != 0) { if (pDevice->eEncryptionStatus == Ndis802_11Encryption1Enabled) { @@ -1801,7 +1482,6 @@ CMD_STATUS csMgmt_xmit(struct vnt_private *pDevice, cbIVlen = 8;//RSN Header cbICVlen = 8;//MIC pTxBufHead->wFragCtl |= FRAGCTL_AES; - pDevice->bAES = true; } //MAC Header should be padding 0 to DW alignment. uPadding = 4 - (cbMacHdLen%4); @@ -1818,26 +1498,14 @@ 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 = (PSRrvTime_gCTS) (pbyTxBufferAddr + wTxBufSize); - pMICHDR = NULL; - pvRTS = NULL; - pCTS = (PSCTS) (pbyTxBufferAddr + wTxBufSize + sizeof(SRrvTime_gCTS)); - pvTxDataHd = (PSTxDataHead_g) (pbyTxBufferAddr + wTxBufSize + sizeof(SRrvTime_gCTS) + sizeof(SCTS)); - cbHeaderSize = wTxBufSize + sizeof(SRrvTime_gCTS) + sizeof(SCTS) + sizeof(STxDataHead_g); + cbHeaderSize = wTxBufSize + sizeof(struct vnt_rrv_time_cts) + + sizeof(struct vnt_cts); } else { // 802.11a/b packet - pvRrvTime = (PSRrvTime_ab) (pbyTxBufferAddr + wTxBufSize); - pMICHDR = NULL; - pvRTS = NULL; - pCTS = NULL; - pvTxDataHd = (PSTxDataHead_ab) (pbyTxBufferAddr + wTxBufSize + sizeof(SRrvTime_ab)); - cbHeaderSize = wTxBufSize + sizeof(SRrvTime_ab) + sizeof(STxDataHead_ab); + cbHeaderSize = wTxBufSize + sizeof(struct vnt_rrv_time_ab) + + sizeof(struct vnt_tx_datahead_ab); } - memset((void *)(pbyTxBufferAddr + wTxBufSize), 0, - (cbHeaderSize - wTxBufSize)); - memcpy(&(sEthHeader.h_dest[0]), &(pPacket->p80211Header->sA3.abyAddr1[0]), ETH_ALEN); @@ -1849,13 +1517,10 @@ 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, pvRTS, pCTS, - cbFrameSize, bNeedACK, TYPE_TXDMA0, &sEthHeader); - - //Fill DataHead - uDuration = s_uFillDataHead(pDevice, byPktType, wCurrentRate, pvTxDataHd, cbFrameSize, TYPE_TXDMA0, bNeedACK, - 0, 0, 1, AUTO_FB_NONE); + /* Fill FIFO,RrvTime,RTS,and CTS */ + uDuration = s_vGenerateTxParameter(pDevice, byPktType, wCurrentRate, + pTX_Buffer, &pMICHDR, 0, + cbFrameSize, bNeedACK, &sEthHeader, false); pMACHeader = (struct ieee80211_hdr *) (pbyTxBufferAddr + cbHeaderSize); @@ -1870,8 +1535,8 @@ CMD_STATUS csMgmt_xmit(struct vnt_private *pDevice, pbyIVHead = (u8 *)(pbyTxBufferAddr + cbHeaderSize + cbMacHdLen + uPadding); pbyPayloadHead = (u8 *)(pbyTxBufferAddr + cbHeaderSize + cbMacHdLen + uPadding + cbIVlen); do { - if ((pDevice->eOPMode == OP_MODE_INFRASTRUCTURE) && - (pDevice->bLinkPass == true)) { + if (pDevice->op_mode == NL80211_IFTYPE_STATION && + pDevice->bLinkPass == true) { pbyBSSID = pDevice->abyBSSID; // get pairwise key if (KeybGetTransmitKey(&(pDevice->sKey), pbyBSSID, PAIRWISE_KEY, &pTransmitKey) == false) { @@ -1889,13 +1554,13 @@ CMD_STATUS csMgmt_xmit(struct vnt_private *pDevice, pbyBSSID = pDevice->abyBroadcastAddr; if(KeybGetTransmitKey(&(pDevice->sKey), pbyBSSID, GROUP_KEY, &pTransmitKey) == false) { pTransmitKey = NULL; - DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"KEY is NULL. OP Mode[%d]\n", pDevice->eOPMode); + DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"KEY is NULL. OP Mode[%d]\n", pDevice->op_mode); } else { DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"Get GTK.\n"); } } 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); @@ -1918,480 +1583,126 @@ CMD_STATUS csMgmt_xmit(struct vnt_private *pDevice, // This will cause AID-field of PS-POLL packet be incorrect (Because PS-POLL's AID field is // 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) { - ((PSTxDataHead_g)pvTxDataHd)->wDuration_a = cpu_to_le16(pPacket->p80211Header->sA2.wDurationID); - ((PSTxDataHead_g)pvTxDataHd)->wDuration_b = cpu_to_le16(pPacket->p80211Header->sA2.wDurationID); - } else { - ((PSTxDataHead_ab)pvTxDataHd)->wDuration = cpu_to_le16(pPacket->p80211Header->sA2.wDurationID); - } + if (byPktType == PK_TYPE_11GB || byPktType == PK_TYPE_11GA) { + struct vnt_tx_datahead_g *data_head = &pTX_Buffer->tx_head. + tx_cts.tx.head.cts_g.data_head; + data_head->duration_a = + cpu_to_le16(pPacket->p80211Header->sA2.wDurationID); + data_head->duration_b = + cpu_to_le16(pPacket->p80211Header->sA2.wDurationID); + } else { + struct vnt_tx_datahead_ab *data_head = &pTX_Buffer->tx_head. + tx_ab.tx.head.data_head_ab; + data_head->duration = + cpu_to_le16(pPacket->p80211Header->sA2.wDurationID); + } } - pTX_Buffer->wTxByteCount = cpu_to_le16((u16)(cbReqCount)); + pTX_Buffer->tx_byte_count = cpu_to_le16((u16)(cbReqCount)); pTX_Buffer->byPKTNO = (u8) (((wCurrentRate<<4) &0x00F0) | ((pDevice->wSeqCounter - 1) & 0x000F)); pTX_Buffer->byType = 0x00; - pContext->pPacket = NULL; - pContext->Type = CONTEXT_MGMT_PACKET; - pContext->uBufLen = (u16)cbReqCount + 4; //USB header + pContext->skb = NULL; + pContext->type = CONTEXT_MGMT_PACKET; + pContext->buf_len = (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); + + spin_unlock_irqrestore(&pDevice->lock, flags); + return CMD_STATUS_PENDING; } CMD_STATUS csBeacon_xmit(struct vnt_private *pDevice, struct vnt_tx_mgmt *pPacket) { + struct vnt_beacon_buffer *pTX_Buffer; + struct vnt_tx_short_buf_head *short_head; u32 cbFrameSize = pPacket->cbMPDULen + WLAN_FCS_LEN; u32 cbHeaderSize = 0; - u16 wTxBufSize = sizeof(STxShortBufHead); - PSTxShortBufHead pTxBufHead; struct ieee80211_hdr *pMACHeader; - PSTxDataHead_ab pTxDataHead; u16 wCurrentRate; u32 cbFrameBodySize; u32 cbReqCount; - PBEACON_BUFFER pTX_Buffer; - u8 *pbyTxBufferAddr; - PUSB_SEND_CONTEXT pContext; + struct vnt_usb_send_context *pContext; CMD_STATUS status; - pContext = (PUSB_SEND_CONTEXT)s_vGetFreeContext(pDevice); + pContext = s_vGetFreeContext(pDevice); if (NULL == pContext) { status = CMD_STATUS_RESOURCES; DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"ManagementSend TX...NO CONTEXT!\n"); return status ; } - pTX_Buffer = (PBEACON_BUFFER) (&pContext->Data[0]); - pbyTxBufferAddr = (u8 *)&(pTX_Buffer->wFIFOCtl); - - cbFrameBodySize = pPacket->cbPayloadLen; - - pTxBufHead = (PSTxShortBufHead) pbyTxBufferAddr; - wTxBufSize = sizeof(STxShortBufHead); - memset(pTxBufHead, 0, wTxBufSize); - - if (pDevice->byBBType == BB_TYPE_11A) { - wCurrentRate = RATE_6M; - pTxDataHead = (PSTxDataHead_ab) (pbyTxBufferAddr + wTxBufSize); - //Get SignalField,ServiceField,Length - BBvCalculateParameter(pDevice, cbFrameSize, wCurrentRate, PK_TYPE_11A, - (u16 *)&(pTxDataHead->wTransmitLength), (u8 *)&(pTxDataHead->byServiceField), (u8 *)&(pTxDataHead->bySignalField) - ); - //Get Duration and TimeStampOff - pTxDataHead->wDuration = cpu_to_le16((u16)s_uGetDataDuration(pDevice, DATADUR_A, cbFrameSize, PK_TYPE_11A, - wCurrentRate, false, 0, 0, 1, AUTO_FB_NONE)); - pTxDataHead->wTimeStampOff = wTimeStampOff[pDevice->byPreambleType%2][wCurrentRate%MAX_RATE]; - cbHeaderSize = wTxBufSize + sizeof(STxDataHead_ab); - } else { - wCurrentRate = RATE_1M; - pTxBufHead->wFIFOCtl |= FIFOCTL_11B; - pTxDataHead = (PSTxDataHead_ab) (pbyTxBufferAddr + wTxBufSize); - //Get SignalField,ServiceField,Length - BBvCalculateParameter(pDevice, cbFrameSize, wCurrentRate, PK_TYPE_11B, - (u16 *)&(pTxDataHead->wTransmitLength), (u8 *)&(pTxDataHead->byServiceField), (u8 *)&(pTxDataHead->bySignalField) - ); - //Get Duration and TimeStampOff - pTxDataHead->wDuration = cpu_to_le16((u16)s_uGetDataDuration(pDevice, DATADUR_B, cbFrameSize, PK_TYPE_11B, - wCurrentRate, false, 0, 0, 1, AUTO_FB_NONE)); - pTxDataHead->wTimeStampOff = wTimeStampOff[pDevice->byPreambleType%2][wCurrentRate%MAX_RATE]; - cbHeaderSize = wTxBufSize + sizeof(STxDataHead_ab); - } - - //Generate Beacon Header - pMACHeader = (struct ieee80211_hdr *)(pbyTxBufferAddr + cbHeaderSize); - memcpy(pMACHeader, pPacket->p80211Header, pPacket->cbMPDULen); - - pMACHeader->duration_id = 0; - pMACHeader->seq_ctrl = cpu_to_le16(pDevice->wSeqCounter << 4); - pDevice->wSeqCounter++ ; - if (pDevice->wSeqCounter > 0x0fff) - pDevice->wSeqCounter = 0; - - cbReqCount = cbHeaderSize + WLAN_HDR_ADDR3_LEN + cbFrameBodySize; - - pTX_Buffer->wTxByteCount = (u16)cbReqCount; - pTX_Buffer->byPKTNO = (u8) (((wCurrentRate<<4) &0x00F0) | ((pDevice->wSeqCounter - 1) & 0x000F)); - pTX_Buffer->byType = 0x01; - - pContext->pPacket = NULL; - pContext->Type = CONTEXT_MGMT_PACKET; - pContext->uBufLen = (u16)cbReqCount + 4; //USB header - - PIPEnsSendBulkOut(pDevice,pContext); - return CMD_STATUS_PENDING; - -} - -void vDMA0_tx_80211(struct vnt_private *pDevice, struct sk_buff *skb) -{ - struct vnt_manager *pMgmt = &pDevice->vnt_mgmt; - u8 byPktType; - u8 *pbyTxBufferAddr; - void *pvRTS, *pvCTS, *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; - u32 cbMICHDR = 0, uLength = 0; - u32 dwMICKey0, dwMICKey1; - u32 dwMIC_Priority; - u32 *pdwMIC_L, *pdwMIC_R; - u16 wTxBufSize; - u32 cbMacHdLen; - struct ethhdr sEthHeader; - void *pvRrvTime, *pMICHDR; - u32 wCurrentRate = RATE_1M; - PUWLAN_80211HDR p80211Header; - u32 uNodeIndex = 0; - int bNodeExist = false; - SKeyItem STempKey; - PSKeyItem pTransmitKey = NULL; - u8 *pbyIVHead, *pbyPayloadHead, *pbyMacHdr; - u32 cbExtSuppRate = 0; - PTX_BUFFER pTX_Buffer; - PUSB_SEND_CONTEXT pContext; - - pvRrvTime = pMICHDR = pvRTS = pvCTS = pvTxDataHd = NULL; - - if(skb->len <= WLAN_HDR_ADDR3_LEN) { - cbFrameBodySize = 0; - } - else { - cbFrameBodySize = skb->len - WLAN_HDR_ADDR3_LEN; - } - p80211Header = (PUWLAN_80211HDR)skb->data; - - pContext = (PUSB_SEND_CONTEXT)s_vGetFreeContext(pDevice); - - if (NULL == pContext) { - DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"DMA0 TX...NO CONTEXT!\n"); - dev_kfree_skb_irq(skb); - return ; - } - - pTX_Buffer = (PTX_BUFFER)(&pContext->Data[0]); - pbyTxBufferAddr = (u8 *)(&pTX_Buffer->adwTxKey[0]); - pTxBufHead = (PSTxBufHead) pbyTxBufferAddr; - wTxBufSize = sizeof(STxBufHead); - memset(pTxBufHead, 0, wTxBufSize); - - if (pDevice->byBBType == BB_TYPE_11A) { - wCurrentRate = RATE_6M; - byPktType = PK_TYPE_11A; - } else { - wCurrentRate = RATE_1M; - byPktType = PK_TYPE_11B; - } - - // SetPower will cause error power TX state for OFDM Date packet in TX buffer. - // 2004.11.11 Kyle -- Using OFDM power to tx MngPkt will decrease the connection capability. - // And cmd timer will wait data pkt TX finish before scanning so it's OK - // to set power here. - if (pMgmt->eScanState != WMAC_NO_SCANNING) { - RFbSetPower(pDevice, wCurrentRate, pDevice->byCurrentCh); - } else { - RFbSetPower(pDevice, wCurrentRate, pMgmt->uCurrChannel); - } - - DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"vDMA0_tx_80211: p80211Header->sA3.wFrameCtl = %x \n", p80211Header->sA3.wFrameCtl); - - //Set packet type - if (byPktType == PK_TYPE_11A) {//0000 0000 0000 0000 - pTxBufHead->wFIFOCtl = 0; - } - else if (byPktType == PK_TYPE_11B) {//0000 0001 0000 0000 - pTxBufHead->wFIFOCtl |= FIFOCTL_11B; - } - else if (byPktType == PK_TYPE_11GB) {//0000 0010 0000 0000 - pTxBufHead->wFIFOCtl |= FIFOCTL_11GB; - } - else if (byPktType == PK_TYPE_11GA) {//0000 0011 0000 0000 - pTxBufHead->wFIFOCtl |= FIFOCTL_11GA; - } - - pTxBufHead->wFIFOCtl |= FIFOCTL_TMOEN; - pTxBufHead->wTimeStamp = cpu_to_le16(DEFAULT_MGN_LIFETIME_RES_64us); - - if (is_multicast_ether_addr(p80211Header->sA3.abyAddr1)) { - bNeedACK = false; - if (pDevice->bEnableHostWEP) { - uNodeIndex = 0; - bNodeExist = true; - } - } - else { - if (pDevice->bEnableHostWEP) { - if (BSSbIsSTAInNodeDB(pDevice, (u8 *)(p80211Header->sA3.abyAddr1), &uNodeIndex)) - bNodeExist = true; - } - bNeedACK = true; - pTxBufHead->wFIFOCtl |= FIFOCTL_NEEDACK; - }; - - if ((pMgmt->eCurrMode == WMAC_MODE_ESS_AP) || - (pMgmt->eCurrMode == WMAC_MODE_IBSS_STA) ) { - - pTxBufHead->wFIFOCtl |= FIFOCTL_LRETRY; - //Set Preamble type always long - //pDevice->byPreambleType = PREAMBLE_LONG; - - // probe-response don't retry - //if ((p80211Header->sA4.wFrameCtl & TYPE_SUBTYPE_MASK) == TYPE_MGMT_PROBE_RSP) { - // bNeedACK = false; - // pTxBufHead->wFIFOCtl &= (~FIFOCTL_NEEDACK); - //} - } - - pTxBufHead->wFIFOCtl |= (FIFOCTL_GENINT | FIFOCTL_ISDMA0); - - if ((p80211Header->sA4.wFrameCtl & TYPE_SUBTYPE_MASK) == TYPE_CTL_PSPOLL) { - bIsPSPOLL = true; - cbMacHdLen = WLAN_HDR_ADDR2_LEN; - } else { - cbMacHdLen = WLAN_HDR_ADDR3_LEN; - } - - // hostapd daemon ext support rate patch - if (WLAN_GET_FC_FSTYPE(p80211Header->sA4.wFrameCtl) == WLAN_FSTYPE_ASSOCRESP) { - - if (((PWLAN_IE_SUPP_RATES)pMgmt->abyCurrSuppRates)->len != 0) { - cbExtSuppRate += ((PWLAN_IE_SUPP_RATES)pMgmt->abyCurrSuppRates)->len + WLAN_IEHDR_LEN; - } - - if (((PWLAN_IE_SUPP_RATES)pMgmt->abyCurrExtSuppRates)->len != 0) { - cbExtSuppRate += ((PWLAN_IE_SUPP_RATES)pMgmt->abyCurrExtSuppRates)->len + WLAN_IEHDR_LEN; - } - - if (cbExtSuppRate >0) { - cbFrameBodySize = WLAN_ASSOCRESP_OFF_SUPP_RATES; - } - } - - //Set FRAGCTL_MACHDCNT - pTxBufHead->wFragCtl |= cpu_to_le16((u16)cbMacHdLen << 10); - - // Notes: - // Although spec says MMPDU can be fragmented; In most case, - // no one will send a MMPDU under fragmentation. With RTS may occur. - pDevice->bAES = false; //Set FRAGCTL_WEPTYP - - if (WLAN_GET_FC_ISWEP(p80211Header->sA4.wFrameCtl) != 0) { - if (pDevice->eEncryptionStatus == Ndis802_11Encryption1Enabled) { - cbIVlen = 4; - cbICVlen = 4; - pTxBufHead->wFragCtl |= FRAGCTL_LEGACY; - } - else if (pDevice->eEncryptionStatus == Ndis802_11Encryption2Enabled) { - cbIVlen = 8;//IV+ExtIV - cbMIClen = 8; - cbICVlen = 4; - pTxBufHead->wFragCtl |= FRAGCTL_TKIP; - //We need to get seed here for filling TxKey entry. - //TKIPvMixKey(pTransmitKey->abyKey, pDevice->abyCurrentNetAddr, - // pTransmitKey->wTSC15_0, pTransmitKey->dwTSC47_16, pDevice->abyPRNG); - } - else if (pDevice->eEncryptionStatus == Ndis802_11Encryption3Enabled) { - cbIVlen = 8;//RSN Header - cbICVlen = 8;//MIC - cbMICHDR = sizeof(SMICHDRHead); - pTxBufHead->wFragCtl |= FRAGCTL_AES; - pDevice->bAES = true; - } - //MAC Header should be padding 0 to DW alignment. - uPadding = 4 - (cbMacHdLen%4); - uPadding %= 4; - } - - cbFrameSize = cbMacHdLen + cbFrameBodySize + cbIVlen + cbMIClen + cbICVlen + cbFCSlen + cbExtSuppRate; - - //Set FIFOCTL_GrpAckPolicy - if (pDevice->bGrpAckPolicy == true) {//0000 0100 0000 0000 - pTxBufHead->wFIFOCtl |= FIFOCTL_GRPACK; - } - //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 = (PSRrvTime_gCTS) (pbyTxBufferAddr + wTxBufSize); - pMICHDR = (PSMICHDRHead) (pbyTxBufferAddr + wTxBufSize + sizeof(SRrvTime_gCTS)); - pvRTS = NULL; - pvCTS = (PSCTS) (pbyTxBufferAddr + wTxBufSize + sizeof(SRrvTime_gCTS) + cbMICHDR); - pvTxDataHd = (PSTxDataHead_g) (pbyTxBufferAddr + wTxBufSize + sizeof(SRrvTime_gCTS) + cbMICHDR + sizeof(SCTS)); - cbHeaderSize = wTxBufSize + sizeof(SRrvTime_gCTS) + cbMICHDR + sizeof(SCTS) + sizeof(STxDataHead_g); - - } - else {//802.11a/b packet - - pvRrvTime = (PSRrvTime_ab) (pbyTxBufferAddr + wTxBufSize); - pMICHDR = (PSMICHDRHead) (pbyTxBufferAddr + wTxBufSize + sizeof(SRrvTime_ab)); - pvRTS = NULL; - pvCTS = NULL; - pvTxDataHd = (PSTxDataHead_ab) (pbyTxBufferAddr + wTxBufSize + sizeof(SRrvTime_ab) + cbMICHDR); - cbHeaderSize = wTxBufSize + sizeof(SRrvTime_ab) + cbMICHDR + sizeof(STxDataHead_ab); - } - memset((void *)(pbyTxBufferAddr + wTxBufSize), 0, - (cbHeaderSize - wTxBufSize)); - memcpy(&(sEthHeader.h_dest[0]), - &(p80211Header->sA3.abyAddr1[0]), - ETH_ALEN); - memcpy(&(sEthHeader.h_source[0]), - &(p80211Header->sA3.abyAddr2[0]), - ETH_ALEN); - //========================= - // No Fragmentation - //========================= - pTxBufHead->wFragCtl |= (u16)FRAGCTL_NONFRAG; - - //Fill FIFO,RrvTime,RTS,and CTS - s_vGenerateTxParameter(pDevice, byPktType, wCurrentRate, pbyTxBufferAddr, pvRrvTime, pvRTS, pvCTS, - cbFrameSize, bNeedACK, TYPE_TXDMA0, &sEthHeader); - - //Fill DataHead - uDuration = s_uFillDataHead(pDevice, byPktType, wCurrentRate, pvTxDataHd, cbFrameSize, TYPE_TXDMA0, bNeedACK, - 0, 0, 1, AUTO_FB_NONE); - - pMACHeader = (struct ieee80211_hdr *) (pbyTxBufferAddr + cbHeaderSize); - - cbReqCount = cbHeaderSize + cbMacHdLen + uPadding + cbIVlen + (cbFrameBodySize + cbMIClen) + cbExtSuppRate; - - pbyMacHdr = (u8 *)(pbyTxBufferAddr + cbHeaderSize); - pbyPayloadHead = (u8 *)(pbyMacHdr + cbMacHdLen + uPadding + cbIVlen); - pbyIVHead = (u8 *)(pbyMacHdr + cbMacHdLen + uPadding); - - // Copy the Packet into a tx Buffer - memcpy(pbyMacHdr, skb->data, cbMacHdLen); - - // version set to 0, patch for hostapd deamon - pMACHeader->frame_control &= cpu_to_le16(0xfffc); - memcpy(pbyPayloadHead, (skb->data + cbMacHdLen), cbFrameBodySize); - - // replace support rate, patch for hostapd daemon( only support 11M) - if (WLAN_GET_FC_FSTYPE(p80211Header->sA4.wFrameCtl) == WLAN_FSTYPE_ASSOCRESP) { - if (cbExtSuppRate != 0) { - if (((PWLAN_IE_SUPP_RATES)pMgmt->abyCurrSuppRates)->len != 0) - memcpy((pbyPayloadHead + cbFrameBodySize), - pMgmt->abyCurrSuppRates, - ((PWLAN_IE_SUPP_RATES)pMgmt->abyCurrSuppRates)->len + WLAN_IEHDR_LEN - ); - if (((PWLAN_IE_SUPP_RATES)pMgmt->abyCurrExtSuppRates)->len != 0) - memcpy((pbyPayloadHead + cbFrameBodySize) + ((PWLAN_IE_SUPP_RATES)pMgmt->abyCurrSuppRates)->len + WLAN_IEHDR_LEN, - pMgmt->abyCurrExtSuppRates, - ((PWLAN_IE_SUPP_RATES)pMgmt->abyCurrExtSuppRates)->len + WLAN_IEHDR_LEN - ); - } - } - - // Set wep - if (WLAN_GET_FC_ISWEP(p80211Header->sA4.wFrameCtl) != 0) { - - if (pDevice->bEnableHostWEP) { - pTransmitKey = &STempKey; - pTransmitKey->byCipherSuite = pMgmt->sNodeDBTable[uNodeIndex].byCipherSuite; - pTransmitKey->dwKeyIndex = pMgmt->sNodeDBTable[uNodeIndex].dwKeyIndex; - pTransmitKey->uKeyLength = pMgmt->sNodeDBTable[uNodeIndex].uWepKeyLength; - pTransmitKey->dwTSC47_16 = pMgmt->sNodeDBTable[uNodeIndex].dwTSC47_16; - pTransmitKey->wTSC15_0 = pMgmt->sNodeDBTable[uNodeIndex].wTSC15_0; - memcpy(pTransmitKey->abyKey, - &pMgmt->sNodeDBTable[uNodeIndex].abyWepKey[0], - pTransmitKey->uKeyLength - ); - } - - if ((pTransmitKey != NULL) && (pTransmitKey->byCipherSuite == KEY_CTL_TKIP)) { - - dwMICKey0 = *(u32 *)(&pTransmitKey->abyKey[16]); - dwMICKey1 = *(u32 *)(&pTransmitKey->abyKey[20]); - - // DO Software Michael - MIC_vInit(dwMICKey0, dwMICKey1); - MIC_vAppend((u8 *)&(sEthHeader.h_dest[0]), 12); - dwMIC_Priority = 0; - MIC_vAppend((u8 *)&dwMIC_Priority, 4); - DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"DMA0_tx_8021:MIC KEY:"\ - " %X, %X\n", dwMICKey0, dwMICKey1); - - uLength = cbHeaderSize + cbMacHdLen + uPadding + cbIVlen; - MIC_vAppend((pbyTxBufferAddr + uLength), cbFrameBodySize); + pTX_Buffer = (struct vnt_beacon_buffer *)&pContext->data[0]; + short_head = &pTX_Buffer->short_head; - pdwMIC_L = (u32 *)(pbyTxBufferAddr + uLength + cbFrameBodySize); - pdwMIC_R = (u32 *)(pbyTxBufferAddr + uLength + cbFrameBodySize + 4); + cbFrameBodySize = pPacket->cbPayloadLen; - MIC_vGetMIC(pdwMIC_L, pdwMIC_R); - MIC_vUnInit(); + cbHeaderSize = sizeof(struct vnt_tx_short_buf_head); - if (pDevice->bTxMICFail == true) { - *pdwMIC_L = 0; - *pdwMIC_R = 0; - pDevice->bTxMICFail = false; - } + if (pDevice->byBBType == BB_TYPE_11A) { + wCurrentRate = RATE_6M; - DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"uLength: %d, %d\n", uLength, cbFrameBodySize); - DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"cbReqCount:%d, %d, %d, %d\n", cbReqCount, cbHeaderSize, uPadding, cbIVlen); - DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"MIC:%x, %x\n", - *pdwMIC_L, *pdwMIC_R); + /* Get SignalField,ServiceField,Length */ + BBvCalculateParameter(pDevice, cbFrameSize, wCurrentRate, + PK_TYPE_11A, &short_head->ab); - } + /* Get Duration and TimeStampOff */ + short_head->duration = s_uGetDataDuration(pDevice, + PK_TYPE_11A, false); + short_head->time_stamp_off = + vnt_time_stamp_off(pDevice, wCurrentRate); + } else { + wCurrentRate = RATE_1M; + short_head->fifo_ctl |= FIFOCTL_11B; + + /* Get SignalField,ServiceField,Length */ + BBvCalculateParameter(pDevice, cbFrameSize, wCurrentRate, + PK_TYPE_11B, &short_head->ab); + + /* Get Duration and TimeStampOff */ + short_head->duration = s_uGetDataDuration(pDevice, + PK_TYPE_11B, false); + short_head->time_stamp_off = + vnt_time_stamp_off(pDevice, wCurrentRate); + } - s_vFillTxKey(pDevice, (u8 *)(pTxBufHead->adwTxKey), pbyIVHead, pTransmitKey, - pbyMacHdr, (u16)cbFrameBodySize, (u8 *)pMICHDR); - if (pDevice->bEnableHostWEP) { - pMgmt->sNodeDBTable[uNodeIndex].dwTSC47_16 = pTransmitKey->dwTSC47_16; - pMgmt->sNodeDBTable[uNodeIndex].wTSC15_0 = pTransmitKey->wTSC15_0; - } + /* Generate Beacon Header */ + pMACHeader = &pTX_Buffer->hdr; - if ((pDevice->byLocalID <= REV_ID_VT3253_A1)) { - s_vSWencryption(pDevice, pTransmitKey, pbyPayloadHead, (u16)(cbFrameBodySize + cbMIClen)); - } - } + memcpy(pMACHeader, pPacket->p80211Header, pPacket->cbMPDULen); - pMACHeader->seq_ctrl = cpu_to_le16(pDevice->wSeqCounter << 4); - pDevice->wSeqCounter++ ; - if (pDevice->wSeqCounter > 0x0fff) - pDevice->wSeqCounter = 0; + pMACHeader->duration_id = 0; + pMACHeader->seq_ctrl = cpu_to_le16(pDevice->wSeqCounter << 4); + pDevice->wSeqCounter++; + if (pDevice->wSeqCounter > 0x0fff) + pDevice->wSeqCounter = 0; - if (bIsPSPOLL) { - // The MAC will automatically replace the Duration-field of MAC header by Duration-field - // of FIFO control header. - // This will cause AID-field of PS-POLL packet be incorrect (Because PS-POLL's AID field is - // 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) { - ((PSTxDataHead_g)pvTxDataHd)->wDuration_a = cpu_to_le16(p80211Header->sA2.wDurationID); - ((PSTxDataHead_g)pvTxDataHd)->wDuration_b = cpu_to_le16(p80211Header->sA2.wDurationID); - } else { - ((PSTxDataHead_ab)pvTxDataHd)->wDuration = cpu_to_le16(p80211Header->sA2.wDurationID); - } - } + cbReqCount = cbHeaderSize + WLAN_HDR_ADDR3_LEN + cbFrameBodySize; - pTX_Buffer->wTxByteCount = cpu_to_le16((u16)(cbReqCount)); + pTX_Buffer->tx_byte_count = cpu_to_le16((u16)cbReqCount); pTX_Buffer->byPKTNO = (u8) (((wCurrentRate<<4) &0x00F0) | ((pDevice->wSeqCounter - 1) & 0x000F)); - pTX_Buffer->byType = 0x00; + pTX_Buffer->byType = 0x01; - pContext->pPacket = skb; - pContext->Type = CONTEXT_MGMT_PACKET; - pContext->uBufLen = (u16)cbReqCount + 4; //USB header + pContext->skb = NULL; + pContext->type = CONTEXT_MGMT_PACKET; + pContext->buf_len = (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); - } - else { - s_vSaveTxPktInfo(pDevice, (u8) (pTX_Buffer->byPKTNO & 0x0F), &(pMACHeader->addr3[0]), (u16)cbFrameSize, pTX_Buffer->wFIFOCtl); - } PIPEnsSendBulkOut(pDevice,pContext); - return ; + return CMD_STATUS_PENDING; } @@ -2410,11 +1721,11 @@ void vDMA0_tx_80211(struct vnt_private *pDevice, struct sk_buff *skb) * Return Value: NULL */ -int nsDMA_tx_packet(struct vnt_private *pDevice, - u32 uDMAIdx, struct sk_buff *skb) +int nsDMA_tx_packet(struct vnt_private *pDevice, struct sk_buff *skb) { struct net_device_stats *pStats = &pDevice->stats; struct vnt_manager *pMgmt = &pDevice->vnt_mgmt; + struct vnt_tx_buffer *pTX_Buffer; u32 BytesToWrite = 0, uHeaderLen = 0; u32 uNodeIndex = 0; u8 byMask[8] = {1, 2, 4, 8, 0x10, 0x20, 0x40, 0x80}; @@ -2422,15 +1733,13 @@ int nsDMA_tx_packet(struct vnt_private *pDevice, u8 byPktType; int bNeedEncryption = false; PSKeyItem pTransmitKey = NULL; - SKeyItem STempKey; int ii; int bTKIP_UseGTK = false; int bNeedDeAuth = false; u8 *pbyBSSID; int bNodeExist = false; - PUSB_SEND_CONTEXT pContext; + struct vnt_usb_send_context *pContext; bool fConvertedPacket; - PTX_BUFFER pTX_Buffer; u32 status; u16 wKeepRate = pDevice->wCurrentRate; int bTxeapol_key = false; @@ -2500,15 +1809,7 @@ int nsDMA_tx_packet(struct vnt_private *pDevice, } } - pContext = (PUSB_SEND_CONTEXT)s_vGetFreeContext(pDevice); - - if (pContext == NULL) { - DBG_PRT(MSG_LEVEL_DEBUG, KERN_DEBUG" pContext == NULL\n"); - dev_kfree_skb_irq(skb); - return STATUS_RESOURCES; - } - - memcpy(pDevice->sTxEthHeader.h_dest, (u8 *)(skb->data), ETH_HLEN); + memcpy(&pDevice->sTxEthHeader, skb->data, ETH_HLEN); //mike add:station mode check eapol-key challenge---> { @@ -2595,22 +1896,6 @@ int nsDMA_tx_packet(struct vnt_private *pDevice, } while(false); } - if (pDevice->bEnableHostWEP) { - DBG_PRT(MSG_LEVEL_DEBUG, KERN_DEBUG"acdma0: STA index %d\n", uNodeIndex); - if (pDevice->bEncryptionEnable == true) { - pTransmitKey = &STempKey; - pTransmitKey->byCipherSuite = pMgmt->sNodeDBTable[uNodeIndex].byCipherSuite; - pTransmitKey->dwKeyIndex = pMgmt->sNodeDBTable[uNodeIndex].dwKeyIndex; - pTransmitKey->uKeyLength = pMgmt->sNodeDBTable[uNodeIndex].uWepKeyLength; - pTransmitKey->dwTSC47_16 = pMgmt->sNodeDBTable[uNodeIndex].dwTSC47_16; - pTransmitKey->wTSC15_0 = pMgmt->sNodeDBTable[uNodeIndex].wTSC15_0; - memcpy(pTransmitKey->abyKey, - &pMgmt->sNodeDBTable[uNodeIndex].abyWepKey[0], - pTransmitKey->uKeyLength - ); - } - } - byPktType = (u8)pDevice->byPacketType; if (pDevice->bFixRate) { @@ -2633,7 +1918,7 @@ int nsDMA_tx_packet(struct vnt_private *pDevice, } } else { - if (pDevice->eOPMode == OP_MODE_ADHOC) { + if (pDevice->op_mode == NL80211_IFTYPE_ADHOC) { // Adhoc Tx rate decided from node DB if (is_multicast_ether_addr(pDevice->sTxEthHeader.h_dest)) { // Multicast use highest data rate @@ -2664,7 +1949,7 @@ int nsDMA_tx_packet(struct vnt_private *pDevice, } } } - if (pDevice->eOPMode == OP_MODE_INFRASTRUCTURE) { + if (pDevice->op_mode == NL80211_IFTYPE_STATION) { // Infra STA rate decided from AP Node, index = 0 pDevice->wCurrentRate = pMgmt->sNodeDBTable[0].wTxDataRate; } @@ -2673,12 +1958,10 @@ int nsDMA_tx_packet(struct vnt_private *pDevice, if (pDevice->sTxEthHeader.h_proto == cpu_to_be16(ETH_P_PAE)) { if (pDevice->byBBType != BB_TYPE_11A) { pDevice->wCurrentRate = RATE_1M; - pDevice->byACKRate = RATE_1M; pDevice->byTopCCKBasicRate = RATE_1M; pDevice->byTopOFDMBasicRate = RATE_6M; } else { pDevice->wCurrentRate = RATE_6M; - pDevice->byACKRate = RATE_6M; pDevice->byTopCCKBasicRate = RATE_1M; pDevice->byTopOFDMBasicRate = RATE_6M; } @@ -2716,21 +1999,11 @@ int nsDMA_tx_packet(struct vnt_private *pDevice, } } } - - if (pDevice->bEnableHostWEP) { - if ((uNodeIndex != 0) && - (pMgmt->sNodeDBTable[uNodeIndex].dwKeyIndex & PAIRWISE_KEY)) { - DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"Find PTK [%X]\n", - pTransmitKey->dwKeyIndex); - bNeedEncryption = true; - } - } } else { if (pTransmitKey == NULL) { DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"return no tx key\n"); - pContext->bBoolInUse = false; dev_kfree_skb_irq(skb); pStats->tx_dropped++; return STATUS_FAILURE; @@ -2738,19 +2011,28 @@ int nsDMA_tx_packet(struct vnt_private *pDevice, } } + pContext = s_vGetFreeContext(pDevice); + if (!pContext) { + DBG_PRT(MSG_LEVEL_DEBUG, KERN_DEBUG" pContext == NULL\n"); + dev_kfree_skb_irq(skb); + return STATUS_RESOURCES; + } + + pTX_Buffer = (struct vnt_tx_buffer *)&pContext->data[0]; + fConvertedPacket = s_bPacketToWirelessUsb(pDevice, byPktType, - (u8 *)(&pContext->Data[0]), bNeedEncryption, - skb->len, uDMAIdx, &pDevice->sTxEthHeader, + pTX_Buffer, bNeedEncryption, + skb->len, &pDevice->sTxEthHeader, (u8 *)skb->data, pTransmitKey, uNodeIndex, pDevice->wCurrentRate, &uHeaderLen, &BytesToWrite ); - if (fConvertedPacket == false) { - pContext->bBoolInUse = false; - dev_kfree_skb_irq(skb); - return STATUS_FAILURE; - } + if (fConvertedPacket == false) { + pContext->in_use = false; + dev_kfree_skb_irq(skb); + return STATUS_FAILURE; + } if ( pDevice->bEnablePSMode == true ) { if ( !pDevice->bPSModeTxBurst ) { @@ -2761,15 +2043,17 @@ int nsDMA_tx_packet(struct vnt_private *pDevice, } } - pTX_Buffer = (PTX_BUFFER)&(pContext->Data[0]); pTX_Buffer->byPKTNO = (u8) (((pDevice->wCurrentRate<<4) &0x00F0) | ((pDevice->wSeqCounter - 1) & 0x000F)); - pTX_Buffer->wTxByteCount = (u16)BytesToWrite; + pTX_Buffer->tx_byte_count = cpu_to_le16((u16)BytesToWrite); - pContext->pPacket = skb; - pContext->Type = CONTEXT_DATA_PACKET; - pContext->uBufLen = (u16)BytesToWrite + 4 ; //USB header + pContext->skb = skb; + pContext->type = CONTEXT_DATA_PACKET; + pContext->buf_len = (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), + &pDevice->sTxEthHeader.h_dest[0], + (u16)(BytesToWrite-uHeaderLen), + pTX_Buffer->fifo_head.wFIFOCtl); status = PIPEnsSendBulkOut(pDevice,pContext); @@ -2779,150 +2063,12 @@ int nsDMA_tx_packet(struct vnt_private *pDevice, bScheduleCommand((void *) pDevice, WLAN_CMD_DEAUTH, (u8 *) &wReason); } - if(status!=STATUS_PENDING) { - pContext->bBoolInUse = false; - dev_kfree_skb_irq(skb); - return STATUS_FAILURE; - } - else - return 0; - -} - -/* - * Description: - * Relay packet send (AC1DMA) from rx dpc. - * - * Parameters: - * In: - * pDevice - Pointer to the adapter - * pPacket - Pointer to rx packet - * cbPacketSize - rx ethernet frame size - * Out: - * TURE, false - * - * Return Value: Return true if packet is copy to dma1; otherwise false - */ - -int bRelayPacketSend(struct vnt_private *pDevice, u8 *pbySkbData, u32 uDataLen, - u32 uNodeIndex) -{ - struct vnt_manager *pMgmt = &pDevice->vnt_mgmt; - u32 BytesToWrite = 0, uHeaderLen = 0; - u8 byPktType = PK_TYPE_11B; - int bNeedEncryption = false; - SKeyItem STempKey; - PSKeyItem pTransmitKey = NULL; - u8 *pbyBSSID; - PUSB_SEND_CONTEXT pContext; - u8 byPktTyp; - int fConvertedPacket; - PTX_BUFFER pTX_Buffer; - u32 status; - u16 wKeepRate = pDevice->wCurrentRate; - - pContext = (PUSB_SEND_CONTEXT)s_vGetFreeContext(pDevice); - - if (NULL == pContext) { - return false; - } - - memcpy(pDevice->sTxEthHeader.h_dest, (u8 *)pbySkbData, ETH_HLEN); - - if (pDevice->bEncryptionEnable == true) { - bNeedEncryption = true; - // get group key - pbyBSSID = pDevice->abyBroadcastAddr; - if(KeybGetTransmitKey(&(pDevice->sKey), pbyBSSID, GROUP_KEY, &pTransmitKey) == false) { - pTransmitKey = NULL; - DBG_PRT(MSG_LEVEL_DEBUG, KERN_DEBUG"KEY is NULL. [%d]\n", pMgmt->eCurrMode); - } else { - DBG_PRT(MSG_LEVEL_DEBUG, KERN_DEBUG"Get GTK.\n"); - } - } - - if (pDevice->bEnableHostWEP) { - if (uNodeIndex < MAX_NODE_NUM + 1) { - pTransmitKey = &STempKey; - pTransmitKey->byCipherSuite = pMgmt->sNodeDBTable[uNodeIndex].byCipherSuite; - pTransmitKey->dwKeyIndex = pMgmt->sNodeDBTable[uNodeIndex].dwKeyIndex; - pTransmitKey->uKeyLength = pMgmt->sNodeDBTable[uNodeIndex].uWepKeyLength; - pTransmitKey->dwTSC47_16 = pMgmt->sNodeDBTable[uNodeIndex].dwTSC47_16; - pTransmitKey->wTSC15_0 = pMgmt->sNodeDBTable[uNodeIndex].wTSC15_0; - memcpy(pTransmitKey->abyKey, - &pMgmt->sNodeDBTable[uNodeIndex].abyWepKey[0], - pTransmitKey->uKeyLength - ); - } - } - - if ( bNeedEncryption && (pTransmitKey == NULL) ) { - pContext->bBoolInUse = false; - return false; - } - - byPktTyp = (u8)pDevice->byPacketType; - - if (pDevice->bFixRate) { - if (pDevice->byBBType == BB_TYPE_11B) { - if (pDevice->uConnectionRate >= RATE_11M) { - pDevice->wCurrentRate = RATE_11M; - } else { - pDevice->wCurrentRate = (u16)pDevice->uConnectionRate; - } - } else { - if ((pDevice->byBBType == BB_TYPE_11A) && - (pDevice->uConnectionRate <= RATE_6M)) { - pDevice->wCurrentRate = RATE_6M; - } else { - if (pDevice->uConnectionRate >= RATE_54M) - pDevice->wCurrentRate = RATE_54M; - else - pDevice->wCurrentRate = (u16)pDevice->uConnectionRate; - } - } - } - else { - pDevice->wCurrentRate = pMgmt->sNodeDBTable[uNodeIndex].wTxDataRate; - } - - if (wKeepRate != pDevice->wCurrentRate) { - bScheduleCommand((void *) pDevice, WLAN_CMD_SETPOWER, NULL); - } - - if (pDevice->wCurrentRate <= RATE_11M) - byPktType = PK_TYPE_11B; - - BytesToWrite = uDataLen + ETH_FCS_LEN; - - // Convert the packet to an usb frame and copy into our buffer - // and send the irp. - - fConvertedPacket = s_bPacketToWirelessUsb(pDevice, byPktType, - (u8 *)(&pContext->Data[0]), bNeedEncryption, - uDataLen, TYPE_AC0DMA, &pDevice->sTxEthHeader, - pbySkbData, pTransmitKey, uNodeIndex, - pDevice->wCurrentRate, - &uHeaderLen, &BytesToWrite - ); - - if (fConvertedPacket == false) { - pContext->bBoolInUse = false; - return false; - } - - pTX_Buffer = (PTX_BUFFER)&(pContext->Data[0]); - pTX_Buffer->byPKTNO = (u8) (((pDevice->wCurrentRate<<4) &0x00F0) | ((pDevice->wSeqCounter - 1) & 0x000F)); - pTX_Buffer->wTxByteCount = (u16)BytesToWrite; - - pContext->pPacket = NULL; - 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); + if (status != STATUS_PENDING) { + pContext->in_use = false; + dev_kfree_skb_irq(skb); + return STATUS_FAILURE; + } - status = PIPEnsSendBulkOut(pDevice,pContext); - return true; + return 0; } - |