diff options
Diffstat (limited to 'drivers/staging/vt6656/rxtx.c')
| -rw-r--r-- | drivers/staging/vt6656/rxtx.c | 753 |
1 files changed, 109 insertions, 644 deletions
diff --git a/drivers/staging/vt6656/rxtx.c b/drivers/staging/vt6656/rxtx.c index 3840323858fc..704f4d3639be 100644 --- a/drivers/staging/vt6656/rxtx.c +++ b/drivers/staging/vt6656/rxtx.c @@ -54,9 +54,7 @@ #include "mac.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" @@ -101,11 +99,11 @@ static struct vnt_usb_send_context *s_vGetFreeContext(struct vnt_private *); static u16 s_vGenerateTxParameter(struct vnt_private *pDevice, u8 byPktType, u16 wCurrentRate, struct vnt_tx_buffer *tx_buffer, struct vnt_mic_hdr **mic_hdr, u32 need_mic, u32 cbFrameSize, - int bNeedACK, u32 uDMAIdx, struct ethhdr *psEthHeader, bool need_rts); + 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, struct vnt_tx_fifo_head *fifo_head, u8 *pbyIVHead, @@ -119,9 +117,9 @@ static unsigned int s_uGetTxRsvTime(struct vnt_private *pDevice, u8 byPktType, u32 cbFrameLength, u16 wRate, int bNeedAck); static __le16 s_uGetRTSCTSRsvTime(struct vnt_private *priv, - u8 rsv_type, u8 pkt_type, u32 frame_lenght, u16 current_rate); + u8 rsv_type, u8 pkt_type, u32 frame_length, u16 current_rate); -static u16 s_vFillCTSHead(struct vnt_private *pDevice, u32 uDMAIdx, +static u16 s_vFillCTSHead(struct vnt_private *pDevice, u8 byPktType, union vnt_tx_data_head *head, u32 cbFrameLength, int bNeedAck, u16 wCurrentRate, u8 byFBOption); @@ -149,9 +147,9 @@ static struct vnt_usb_send_context return NULL; context = priv->apTD[ii]; - if (context->bBoolInUse == false) { - context->bBoolInUse = true; - memset(context->Data, 0, + if (context->in_use == false) { + context->in_use = true; + memset(context->data, 0, MAX_TOTAL_SIZE_WITH_ALL_HEADERS); return context; } @@ -181,41 +179,40 @@ static void s_vFillTxKey(struct vnt_private *pDevice, struct vnt_mic_hdr *mic_hdr) { u8 *pbyBuf = (u8 *)&fifo_head->adwTxKey[0]; - u32 *pdwIV = (u32 *)pbyIVHead; - u32 *pdwExtIV = (u32 *)((u8 *)pbyIVHead + 4); + __le32 *pdwIV = (__le32 *)pbyIVHead; + __le32 *pdwExtIV = (__le32 *)((u8 *)pbyIVHead + 4); struct ieee80211_hdr *pMACHeader = (struct ieee80211_hdr *)pbyHdrBuf; - u32 dwRevIVCounter; + __le32 rev_iv_counter; /* Fill TXKEY */ if (pTransmitKey == NULL) return; - dwRevIVCounter = cpu_to_le32(pDevice->dwIVCounter); - *pdwIV = pDevice->dwIVCounter; + 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 *)&dwRevIVCounter, 3); + memcpy(pDevice->abyPRNG, (u8 *)&rev_iv_counter, 3); memcpy(pDevice->abyPRNG + 3, pTransmitKey->abyKey, pTransmitKey->uKeyLength); } else { - memcpy(pbyBuf, (u8 *)&dwRevIVCounter, 3); + memcpy(pbyBuf, (u8 *)&rev_iv_counter, 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, + 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 &= WEP_IV_MASK; - *pdwIV |= (u32)pDevice->byKeyIndex << 30; - *pdwIV = cpu_to_le32(*pdwIV); + *pdwIV &= cpu_to_le32(WEP_IV_MASK); + *pdwIV |= cpu_to_le32((u32)pDevice->byKeyIndex << 30); pDevice->dwIVCounter++; if (pDevice->dwIVCounter > WEP_IV_MASK) @@ -256,7 +253,7 @@ static void s_vFillTxKey(struct vnt_private *pDevice, *(pbyIVHead+3) = (u8)(((pDevice->byKeyIndex << 6) & 0xc0) | 0x20); - *pdwIV |= cpu_to_le16((u16)(pTransmitKey->wTSC15_0)); + *pdwIV |= cpu_to_le32((u32)(pTransmitKey->wTSC15_0)); /* Append IV&ExtIV after Mac Header */ *pdwExtIV = cpu_to_le32(pTransmitKey->dwTSC47_16); @@ -283,9 +280,10 @@ static void s_vFillTxKey(struct vnt_private *pDevice, /* MICHDR2 */ memcpy(mic_hdr->addr3, pMACHeader->addr3, ETH_ALEN); - mic_hdr->frame_control = cpu_to_le16(pMACHeader->frame_control - & 0xc78f); - mic_hdr->seq_ctrl = cpu_to_le16(pMACHeader->seq_ctrl & 0xf); + 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); @@ -305,7 +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); @@ -316,7 +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); @@ -368,14 +366,14 @@ static __le16 vnt_rxtx_rsvtime_le16(struct vnt_private *priv, u8 pkt_type, //byFreqType: 0=>5GHZ 1=>2.4GHZ static __le16 s_uGetRTSCTSRsvTime(struct vnt_private *priv, - u8 rsv_type, u8 pkt_type, u32 frame_lenght, u16 current_rate) + u8 rsv_type, u8 pkt_type, u32 frame_length, u16 current_rate) { 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_lenght, current_rate); + frame_length, current_rate); if (rsv_type == 0) { rts_time = BBuGetFrameTime(priv->byPreambleType, @@ -551,7 +549,8 @@ static int vnt_fill_ieee80211_rts(struct vnt_private *priv, __le16 duration) { rts->duration = duration; - rts->frame_control = TYPE_CTL_RTS; + 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) @@ -713,7 +712,7 @@ static u16 s_vFillRTSHead(struct vnt_private *pDevice, u8 byPktType, return 0; } -static u16 s_vFillCTSHead(struct vnt_private *pDevice, u32 uDMAIdx, +static u16 s_vFillCTSHead(struct vnt_private *pDevice, u8 byPktType, union vnt_tx_data_head *head, u32 cbFrameLength, int bNeedAck, u16 wCurrentRate, u8 byFBOption) { @@ -741,7 +740,9 @@ static u16 s_vFillCTSHead(struct vnt_private *pDevice, u32 uDMAIdx, pDevice->tx_rate_fb1, bNeedAck, byFBOption); /* Get CTS Frame body */ pBuf->data.duration = pBuf->duration_ba; - pBuf->data.frame_control = TYPE_CTL_CTS; + 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, @@ -757,7 +758,9 @@ static u16 s_vFillCTSHead(struct vnt_private *pDevice, u32 uDMAIdx, wCurrentRate, bNeedAck, byFBOption); /*Get CTS Frame body*/ pBuf->data.duration = pBuf->duration_ba; - pBuf->data.frame_control = TYPE_CTL_CTS; + 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(pDevice, byPktType, wCurrentRate, @@ -782,7 +785,6 @@ static u16 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 * @@ -793,14 +795,14 @@ static u16 s_vFillCTSHead(struct vnt_private *pDevice, u32 uDMAIdx, static u16 s_vGenerateTxParameter(struct vnt_private *pDevice, u8 byPktType, u16 wCurrentRate, struct vnt_tx_buffer *tx_buffer, struct vnt_mic_hdr **mic_hdr, u32 need_mic, u32 cbFrameSize, - int bNeedACK, u32 uDMAIdx, struct ethhdr *psEthHeader, bool need_rts) + int bNeedACK, struct ethhdr *psEthHeader, bool need_rts) { struct vnt_tx_fifo_head *pFifoHead = &tx_buffer->fifo_head; union vnt_tx_data_head *head = NULL; u16 wFifoCtl; u8 byFBOption = AUTO_FB_NONE; - pFifoHead->wReserved = wCurrentRate; + pFifoHead->current_rate = cpu_to_le16(wCurrentRate); wFifoCtl = pFifoHead->wFIFOCtl; if (wFifoCtl & FIFOCTL_AUTO_FB_0) @@ -808,9 +810,6 @@ static u16 s_vGenerateTxParameter(struct vnt_private *pDevice, else if (wFifoCtl & FIFOCTL_AUTO_FB_1) byFBOption = AUTO_FB_1; - if (!pFifoHead) - return 0; - if (byPktType == PK_TYPE_11GB || byPktType == PK_TYPE_11GA) { if (need_rts) { struct vnt_rrv_time_rts *pBuf = @@ -864,7 +863,7 @@ static u16 s_vGenerateTxParameter(struct vnt_private *pDevice, } /* Fill CTS */ - return s_vFillCTSHead(pDevice, uDMAIdx, byPktType, + return s_vFillCTSHead(pDevice, byPktType, head, cbFrameSize, bNeedACK, wCurrentRate, byFBOption); } @@ -949,12 +948,11 @@ static u16 s_vGenerateTxParameter(struct vnt_private *pDevice, static int s_bPacketToWirelessUsb(struct vnt_private *pDevice, u8 byPktType, struct vnt_tx_buffer *tx_buffer, int bNeedEncryption, - u32 uSkbPacketLen, u32 uDMAIdx, struct ethhdr *psEthHeader, + u32 uSkbPacketLen, struct ethhdr *psEthHeader, u8 *pPacket, PSKeyItem pTransmitKey, u32 uNodeIndex, u16 wCurrentRate, u32 *pcbHeaderLen, u32 *pcbTotalLen) { struct vnt_tx_fifo_head *pTxBufHead = &tx_buffer->fifo_head; - struct vnt_manager *pMgmt = &pDevice->vnt_mgmt; u32 cbFrameSize, cbFrameBodySize; u32 cb802_1_H_len; u32 cbIVlen = 0, cbICVlen = 0, cbMIClen = 0, cbMACHdLen = 0; @@ -1008,7 +1006,7 @@ static int s_bPacketToWirelessUsb(struct vnt_private *pDevice, u8 byPktType, pTxBufHead->wFIFOCtl |= FIFOCTL_NEEDACK; } - pTxBufHead->wTimeStamp = DEFAULT_MSDU_LIFETIME_RES_64us; + pTxBufHead->time_stamp = cpu_to_le16(DEFAULT_MSDU_LIFETIME_RES_64us); //Set FRAGCTL_MACHDCNT cbMACHdLen = WLAN_HDR_ADDR3_LEN; @@ -1145,27 +1143,21 @@ 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 */ uDuration = s_vGenerateTxParameter(pDevice, byPktType, wCurrentRate, tx_buffer, &pMICHDR, cbMICHDR, - cbFrameSize, bNeedACK, uDMAIdx, psEthHeader, bRTS); + 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, pTxBufHead, pbyIVHead, pTransmitKey, pbyMacHdr, (u16)cbFrameBodySize, pMICHDR); - - if (pDevice->bEnableHostWEP) { - pMgmt->sNodeDBTable[uNodeIndex].dwTSC47_16 = pTransmitKey->dwTSC47_16; - pMgmt->sNodeDBTable[uNodeIndex].wTSC15_0 = pTransmitKey->wTSC15_0; - } } /* 802.1H */ @@ -1287,7 +1279,7 @@ 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; @@ -1383,38 +1375,39 @@ CMD_STATUS csMgmt_xmit(struct vnt_private *pDevice, u16 wTxBufSize; u32 cbMacHdLen; u16 wCurrentRate = RATE_1M; + unsigned long flags; - pContext = 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); + + pDevice->wCurrentRate = wCurrentRate; + + 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]; + 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); - 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); - } - pDevice->wCurrentRate = wCurrentRate; //Set packet type if (byPktType == PK_TYPE_11A) {//0000 0000 0000 0000 @@ -1431,7 +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; @@ -1527,7 +1520,7 @@ CMD_STATUS csMgmt_xmit(struct vnt_private *pDevice, /* Fill FIFO,RrvTime,RTS,and CTS */ uDuration = s_vGenerateTxParameter(pDevice, byPktType, wCurrentRate, pTX_Buffer, &pMICHDR, 0, - cbFrameSize, bNeedACK, TYPE_TXDMA0, &sEthHeader, false); + cbFrameSize, bNeedACK, &sEthHeader, false); pMACHeader = (struct ieee80211_hdr *) (pbyTxBufferAddr + cbHeaderSize); @@ -1605,13 +1598,13 @@ CMD_STATUS csMgmt_xmit(struct vnt_private *pDevice, } } - 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), @@ -1625,6 +1618,9 @@ CMD_STATUS csMgmt_xmit(struct vnt_private *pDevice, } PIPEnsSendBulkOut(pDevice,pContext); + + spin_unlock_irqrestore(&pDevice->lock, flags); + return CMD_STATUS_PENDING; } @@ -1649,7 +1645,7 @@ CMD_STATUS csBeacon_xmit(struct vnt_private *pDevice, return status ; } - pTX_Buffer = (struct vnt_beacon_buffer *)&pContext->Data[0]; + pTX_Buffer = (struct vnt_beacon_buffer *)&pContext->data[0]; short_head = &pTX_Buffer->short_head; cbFrameBodySize = pPacket->cbPayloadLen; @@ -1697,377 +1693,19 @@ CMD_STATUS csBeacon_xmit(struct vnt_private *pDevice, cbReqCount = cbHeaderSize + WLAN_HDR_ADDR3_LEN + cbFrameBodySize; - pTX_Buffer->wTxByteCount = (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 = 0x01; - 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 */ 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; - struct vnt_tx_buffer *pTX_Buffer; - struct vnt_tx_fifo_head *pTxBufHead; - u8 byPktType; - u8 *pbyTxBufferAddr; - u32 uDuration, cbReqCount; - struct ieee80211_hdr *pMACHeader; - u32 cbHeaderSize, cbFrameBodySize; - int bNeedACK, bIsPSPOLL = false; - 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; - struct vnt_mic_hdr *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; - struct vnt_usb_send_context *pContext; - - pMICHDR = NULL; - - if(skb->len <= WLAN_HDR_ADDR3_LEN) { - cbFrameBodySize = 0; - } - else { - cbFrameBodySize = skb->len - WLAN_HDR_ADDR3_LEN; - } - p80211Header = (PUWLAN_80211HDR)skb->data; - - pContext = 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 = (struct vnt_tx_buffer *)&pContext->Data[0]; - pTxBufHead = &pTX_Buffer->fifo_head; - pbyTxBufferAddr = (u8 *)&pTxBufHead->adwTxKey[0]; - wTxBufSize = sizeof(struct vnt_tx_fifo_head); - - if (pDevice->byBBType == BB_TYPE_11A) { - wCurrentRate = RATE_6M; - 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. - - 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(struct vnt_mic_hdr); - pTxBufHead->wFragCtl |= FRAGCTL_AES; - } - //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 - cbHeaderSize = wTxBufSize + sizeof(struct vnt_rrv_time_cts) + cbMICHDR + - sizeof(struct vnt_cts); - - } - else {//802.11a/b packet - cbHeaderSize = wTxBufSize + sizeof(struct vnt_rrv_time_ab) + cbMICHDR + - sizeof(struct vnt_tx_datahead_ab); - } - 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 */ - uDuration = s_vGenerateTxParameter(pDevice, byPktType, wCurrentRate, - pTX_Buffer, &pMICHDR, cbMICHDR, - cbFrameSize, bNeedACK, TYPE_TXDMA0, &sEthHeader, false); - - 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); - - pdwMIC_L = (u32 *)(pbyTxBufferAddr + uLength + cbFrameBodySize); - pdwMIC_R = (u32 *)(pbyTxBufferAddr + uLength + cbFrameBodySize + 4); - - MIC_vGetMIC(pdwMIC_L, pdwMIC_R); - MIC_vUnInit(); - - if (pDevice->bTxMICFail == true) { - *pdwMIC_L = 0; - *pdwMIC_R = 0; - pDevice->bTxMICFail = false; - } - - 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); - - } - - s_vFillTxKey(pDevice, pTxBufHead, pbyIVHead, pTransmitKey, - pbyMacHdr, (u16)cbFrameBodySize, pMICHDR); - - if (pDevice->bEnableHostWEP) { - pMgmt->sNodeDBTable[uNodeIndex].dwTSC47_16 = pTransmitKey->dwTSC47_16; - pMgmt->sNodeDBTable[uNodeIndex].wTSC15_0 = pTransmitKey->wTSC15_0; - } - - if ((pDevice->byLocalID <= REV_ID_VT3253_A1)) { - s_vSWencryption(pDevice, pTransmitKey, pbyPayloadHead, (u16)(cbFrameBodySize + cbMIClen)); - } - } - - 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) { - 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(p80211Header->sA2.wDurationID); - data_head->duration_b = - cpu_to_le16(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(p80211Header->sA2.wDurationID); - } - } - - pTX_Buffer->wTxByteCount = cpu_to_le16((u16)(cbReqCount)); - pTX_Buffer->byPKTNO = (u8) (((wCurrentRate<<4) &0x00F0) | ((pDevice->wSeqCounter - 1) & 0x000F)); - pTX_Buffer->byType = 0x00; - - pContext->pPacket = skb; - pContext->type = CONTEXT_MGMT_PACKET; - pContext->uBufLen = (u16)cbReqCount + 4; //USB header - - if (WLAN_GET_FC_TODS(pMACHeader->frame_control) == 0) { - s_vSaveTxPktInfo(pDevice, (u8)(pTX_Buffer->byPKTNO & 0x0F), - &pMACHeader->addr1[0], (u16)cbFrameSize, - pTxBufHead->wFIFOCtl); - } - else { - s_vSaveTxPktInfo(pDevice, (u8)(pTX_Buffer->byPKTNO & 0x0F), - &pMACHeader->addr3[0], (u16)cbFrameSize, - pTxBufHead->wFIFOCtl); - } - PIPEnsSendBulkOut(pDevice,pContext); - return ; - -} - //TYPE_AC0DMA data tx /* * Description: @@ -2083,8 +1721,7 @@ 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; @@ -2096,7 +1733,6 @@ 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; @@ -2173,15 +1809,7 @@ int nsDMA_tx_packet(struct vnt_private *pDevice, } } - pContext = 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---> { @@ -2268,22 +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) { @@ -2346,12 +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; } @@ -2389,21 +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; @@ -2411,21 +2011,28 @@ int nsDMA_tx_packet(struct vnt_private *pDevice, } } - pTX_Buffer = (struct vnt_tx_buffer *)&pContext->Data[0]; + 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, pTX_Buffer, bNeedEncryption, - skb->len, uDMAIdx, &pDevice->sTxEthHeader, + 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 ) { @@ -2437,11 +2044,11 @@ int nsDMA_tx_packet(struct vnt_private *pDevice, } 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), &pDevice->sTxEthHeader.h_dest[0], @@ -2456,154 +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; - struct vnt_tx_buffer *pTX_Buffer; - u32 BytesToWrite = 0, uHeaderLen = 0; - u8 byPktType = PK_TYPE_11B; - int bNeedEncryption = false; - SKeyItem STempKey; - PSKeyItem pTransmitKey = NULL; - u8 *pbyBSSID; - struct vnt_usb_send_context *pContext; - u8 byPktTyp; - int fConvertedPacket; - u32 status; - u16 wKeepRate = pDevice->wCurrentRate; - - pContext = 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. - - pTX_Buffer = (struct vnt_tx_buffer *)&pContext->Data[0]; - - fConvertedPacket = s_bPacketToWirelessUsb(pDevice, byPktType, - pTX_Buffer, bNeedEncryption, - uDataLen, TYPE_AC0DMA, &pDevice->sTxEthHeader, - pbySkbData, pTransmitKey, uNodeIndex, - pDevice->wCurrentRate, - &uHeaderLen, &BytesToWrite - ); - - if (fConvertedPacket == false) { - pContext->bBoolInUse = false; - return false; - } - - 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), - &pDevice->sTxEthHeader.h_dest[0], - (u16)(BytesToWrite - uHeaderLen), - pTX_Buffer->fifo_head.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; } - |