*
* Functions:
* s_vGenerateTxParameter - Generate tx dma required parameter.
- * s_vGenerateMACHeader - Translate 802.3 to 802.11 header
* csBeacon_xmit - beacon tx function
* csMgmt_xmit - management tx function
* s_uGetDataDuration - get tx data required duration
* s_vFillCTSHead- fulfill CTS ctl header
* s_vFillFragParameter- Set fragment ctl parameter.
* s_vFillRTSHead- fulfill RTS ctl header
- * s_vFillTxKey- fulfill tx encrypt key
- * s_vSWencryption- Software encrypt header
* vDMA0_tx_80211- tx 802.11 frame via dma0
* vGenerateFIFOHeader- Generate tx FIFO ctl header
*
#define DATADUR_A_F0 12
#define DATADUR_A_F1 13
-static void s_vSaveTxPktInfo(struct vnt_private *pDevice, u8 byPktNum,
- u8 *pbyDestAddr, u16 wPktLength, u16 wFIFOCtl);
-
static struct vnt_usb_send_context *s_vGetFreeContext(struct vnt_private *);
static u16 s_vGenerateTxParameter(struct vnt_usb_send_context *tx_context,
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,
- struct ieee80211_hdr *pMACHeader, u16 wDuration,
- struct ethhdr *psEthHeader, int bNeedEncrypt, u16 wFragType,
- u32 uFragIdx);
-
-static void s_vFillTxKey(struct vnt_usb_send_context *tx_context,
- struct vnt_tx_fifo_head *fifo_head, u8 *pbyIVHead,
- PSKeyItem pTransmitKey, u16 wPayloadLen, struct vnt_mic_hdr *mic_hdr);
-
-static void s_vSWencryption(struct vnt_private *pDevice,
- PSKeyItem pTransmitKey, u8 *pbyPayloadHead, u16 wPayloadSize);
-
static unsigned int s_uGetTxRsvTime(struct vnt_private *pDevice, u8 byPktType,
u32 cbFrameLength, u16 wRate, int bNeedAck);
return NULL;
}
-static void s_vSaveTxPktInfo(struct vnt_private *pDevice, u8 byPktNum,
- u8 *pbyDestAddr, u16 wPktLength, u16 wFIFOCtl)
-{
- 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_usb_send_context *tx_context,
- struct vnt_tx_fifo_head *fifo_head, u8 *pbyIVHead,
- PSKeyItem pTransmitKey, u16 wPayloadLen, struct vnt_mic_hdr *mic_hdr)
-{
- struct vnt_private *pDevice = tx_context->priv;
- struct ieee80211_hdr *pMACHeader = tx_context->hdr;
- u8 *pbyBuf = fifo_head->tx_key;
- __le32 *pdwIV = (__le32 *)pbyIVHead;
- __le32 *pdwExtIV = (__le32 *)((u8 *)pbyIVHead + 4);
- __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,
- PSKeyItem pTransmitKey, u8 *pbyPayloadHead, u16 wPayloadSize)
-{
- u32 cbICVlen = 4;
- u32 dwICV = 0xffffffff;
- u32 *pdwICV;
-
- if (pTransmitKey == NULL)
- return;
-
- if (pTransmitKey->byCipherSuite == KEY_CTL_WEP) {
- //=======================================================================
- // Append ICV after 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);
- // RC4 encryption
- rc4_init(&pDevice->SBox, pDevice->abyPRNG, pTransmitKey->uKeyLength + 3);
- rc4_encrypt(&pDevice->SBox, pbyPayloadHead, pbyPayloadHead, wPayloadSize+cbICVlen);
- //=======================================================================
- } else if (pTransmitKey->byCipherSuite == KEY_CTL_TKIP) {
- //=======================================================================
- //Append ICV after 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);
- // RC4 encryption
- rc4_init(&pDevice->SBox, pDevice->abyPRNG, TKIP_KEY_LEN);
- rc4_encrypt(&pDevice->SBox, pbyPayloadHead, pbyPayloadHead, wPayloadSize+cbICVlen);
- //=======================================================================
- }
-}
-
static __le16 vnt_time_stamp_off(struct vnt_private *priv, u16 rate)
{
return cpu_to_le16(wTimeStampOff[priv->byPreambleType % 2]
return 0;
}
-/*
- u8 * pbyBuffer,//point to pTxBufHead
- u16 wFragType,//00:Non-Frag, 01:Start, 02:Mid, 03:Last
- unsigned int cbFragmentSize,//Hdr+payoad+FCS
-*/
-
-static int s_bPacketToWirelessUsb(struct vnt_usb_send_context *tx_context,
- u8 byPktType, 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_private *pDevice = tx_context->priv;
- struct vnt_tx_fifo_head *pTxBufHead = &tx_buffer->fifo_head;
- u32 cbFrameSize, cbFrameBodySize;
- u32 cb802_1_H_len;
- u32 cbIVlen = 0, cbICVlen = 0, cbMIClen = 0, cbMACHdLen = 0;
- u32 cbFCSlen = 4, cbMICHDR = 0;
- int bNeedACK;
- bool bRTS = false;
- u8 *pbyType, *pbyMacHdr, *pbyIVHead, *pbyPayloadHead;
- 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;
- struct vnt_mic_hdr *pMICHDR;
- u8 byFBOption = AUTO_FB_NONE, byFragType;
- u32 dwMICKey0, dwMICKey1, dwMIC_Priority;
- u32 *pdwMIC_L, *pdwMIC_R;
- int bSoftWEP = false;
-
- pMICHDR = NULL;
-
- if (bNeedEncryption && pTransmitKey->pvKeyTable) {
- if (((PSKeyTable)pTransmitKey->pvKeyTable)->bSoftWEP == true)
- bSoftWEP = true; /* WEP 256 */
- }
-
- /* 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->op_mode == NL80211_IFTYPE_ADHOC ||
- pDevice->op_mode == NL80211_IFTYPE_AP) {
- if (is_multicast_ether_addr(psEthHeader->h_dest)) {
- bNeedACK = false;
- pTxBufHead->wFIFOCtl =
- pTxBufHead->wFIFOCtl & (~FIFOCTL_NEEDACK);
- } else {
- bNeedACK = true;
- pTxBufHead->wFIFOCtl |= FIFOCTL_NEEDACK;
- }
- } else {
- /* MSDUs in Infra mode always need ACK */
- bNeedACK = true;
- pTxBufHead->wFIFOCtl |= FIFOCTL_NEEDACK;
- }
-
- pTxBufHead->time_stamp = cpu_to_le16(DEFAULT_MSDU_LIFETIME_RES_64us);
-
- //Set FRAGCTL_MACHDCNT
- cbMACHdLen = WLAN_HDR_ADDR3_LEN;
-
- pTxBufHead->wFragCtl |= (u16)(cbMACHdLen << 10);
-
- //Set FIFOCTL_GrpAckPolicy
- if (pDevice->bGrpAckPolicy == true) {//0000 0100 0000 0000
- pTxBufHead->wFIFOCtl |= FIFOCTL_GRPACK;
- }
-
- /* 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
- if (pTransmitKey->byCipherSuite == KEY_CTL_WEP) { //WEP40 or WEP104
- pTxBufHead->wFragCtl |= FRAGCTL_LEGACY;
- }
- if (pTransmitKey->byCipherSuite == KEY_CTL_TKIP) {
- DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"Tx Set wFragCtl == FRAGCTL_TKIP\n");
- pTxBufHead->wFragCtl |= FRAGCTL_TKIP;
- }
- else if (pTransmitKey->byCipherSuite == KEY_CTL_CCMP) { //CCMP
- pTxBufHead->wFragCtl |= FRAGCTL_AES;
- }
- }
- }
-
- if ((bNeedEncryption) && (pTransmitKey != NULL)) {
- if (pTransmitKey->byCipherSuite == KEY_CTL_WEP) {
- cbIVlen = 4;
- cbICVlen = 4;
- }
- else if (pTransmitKey->byCipherSuite == KEY_CTL_TKIP) {
- cbIVlen = 8;//IV+ExtIV
- cbMIClen = 8;
- cbICVlen = 4;
- }
- if (pTransmitKey->byCipherSuite == KEY_CTL_CCMP) {
- cbIVlen = 8;//RSN Header
- cbICVlen = 8;//MIC
- cbMICHDR = sizeof(struct vnt_mic_hdr);
- }
- if (bSoftWEP == false) {
- //MAC Header should be padding 0 to DW alignment.
- uPadding = 4 - (cbMACHdLen%4);
- uPadding %= 4;
- }
- }
-
- cbFrameSize = cbMACHdLen + cbIVlen + (cbFrameBodySize + cbMIClen) + cbICVlen + cbFCSlen;
-
- if ( (bNeedACK == false) ||(cbFrameSize < pDevice->wRTSThreshold) ) {
- bRTS = false;
- } else {
- bRTS = true;
- pTxBufHead->wFIFOCtl |= (FIFOCTL_RTS | FIFOCTL_LRETRY);
- }
-
- //=========================
- // No Fragmentation
- //=========================
- DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"No Fragmentation...\n");
- byFragType = FRAGCTL_NONFRAG;
- //pTxBufHead = (PSTxBufHead) &(pTxBufHead->adwTxKey[0]);
-
- /* Fill FIFO, RrvTime, RTS and CTS */
- uDuration = s_vGenerateTxParameter(tx_context, byPktType, wCurrentRate,
- tx_buffer, &pMICHDR, cbMICHDR,
- cbFrameSize, bNeedACK, psEthHeader, bRTS);
-
- cbHeaderLength = tx_context->tx_hdr_size;
- if (!cbHeaderLength)
- return false;
-
- pbyMacHdr = (u8 *)tx_context->hdr;
- pbyIVHead = (u8 *)(pbyMacHdr + cbMACHdLen + uPadding);
- pbyPayloadHead = (u8 *)(pbyMacHdr + cbMACHdLen + uPadding + cbIVlen);
-
- /* Generate TX MAC Header */
- s_vGenerateMACHeader(pDevice, tx_context->hdr, (u16)uDuration,
- psEthHeader, bNeedEncryption, byFragType, 0);
-
- if (bNeedEncryption == true) {
- //Fill TXKEY
- s_vFillTxKey(tx_context, pTxBufHead, pbyIVHead, pTransmitKey,
- (u16)cbFrameBodySize, pMICHDR);
- }
-
- /* 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)))
- 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));
- }
-
- if (pPacket != NULL) {
- // Copy the Packet into a tx Buffer
- memcpy((pbyPayloadHead + cb802_1_H_len),
- (pPacket + ETH_HLEN),
- uSkbPacketLen - ETH_HLEN
- );
-
- } else {
- // while bRelayPacketSend psEthHeader is point to header+payload
- memcpy((pbyPayloadHead + cb802_1_H_len), ((u8 *)psEthHeader) + ETH_HLEN, uSkbPacketLen - ETH_HLEN);
- }
-
- if ((bNeedEncryption == true) && (pTransmitKey != NULL) && (pTransmitKey->byCipherSuite == KEY_CTL_TKIP)) {
-
- ///////////////////////////////////////////////////////////////////
-
- if (pDevice->vnt_mgmt.eAuthenMode == WMAC_AUTH_WPANONE) {
- dwMICKey0 = *(u32 *)(&pTransmitKey->abyKey[16]);
- dwMICKey1 = *(u32 *)(&pTransmitKey->abyKey[20]);
- }
- else if ((pTransmitKey->dwKeyIndex & AUTHENTICATOR_KEY) != 0) {
- dwMICKey0 = *(u32 *)(&pTransmitKey->abyKey[16]);
- dwMICKey1 = *(u32 *)(&pTransmitKey->abyKey[20]);
- }
- else {
- dwMICKey0 = *(u32 *)(&pTransmitKey->abyKey[24]);
- dwMICKey1 = *(u32 *)(&pTransmitKey->abyKey[28]);
- }
- // DO Software Michael
- MIC_vInit(dwMICKey0, dwMICKey1);
- MIC_vAppend((u8 *)&(psEthHeader->h_dest[0]), 12);
- dwMIC_Priority = 0;
- MIC_vAppend((u8 *)&dwMIC_Priority, 4);
- DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"MIC KEY: %X, %X\n",
- dwMICKey0, dwMICKey1);
-
- ///////////////////////////////////////////////////////////////////
-
- //DBG_PRN_GRP12(("Length:%d, %d\n", cbFrameBodySize, uFromHDtoPLDLength));
- //for (ii = 0; ii < cbFrameBodySize; ii++) {
- // DBG_PRN_GRP12(("%02x ", *((u8 *)((pbyPayloadHead + cb802_1_H_len) + ii))));
- //}
- //DBG_PRN_GRP12(("\n\n\n"));
-
- MIC_vAppend(pbyPayloadHead, cbFrameBodySize);
-
- pdwMIC_L = (u32 *)(pbyPayloadHead + cbFrameBodySize);
- pdwMIC_R = (u32 *)(pbyPayloadHead + 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, cbHeaderLength, uPadding, cbIVlen);
- //DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"MIC:%lX, %lX\n", *pdwMIC_L, *pdwMIC_R);
- }
-
- if (bSoftWEP == true) {
-
- s_vSWencryption(pDevice, pTransmitKey, (pbyPayloadHead), (u16)(cbFrameBodySize + cbMIClen));
-
- } else if ( ((pDevice->eEncryptionStatus == Ndis802_11Encryption1Enabled) && (bNeedEncryption == true)) ||
- ((pDevice->eEncryptionStatus == Ndis802_11Encryption2Enabled) && (bNeedEncryption == true)) ||
- ((pDevice->eEncryptionStatus == Ndis802_11Encryption3Enabled) && (bNeedEncryption == true)) ) {
- cbFrameSize -= cbICVlen;
- }
-
- cbFrameSize -= cbFCSlen;
-
- *pcbHeaderLen = cbHeaderLength;
- *pcbTotalLen = cbHeaderLength + cbFrameSize ;
-
- //Set FragCtl in TxBufferHead
- pTxBufHead->wFragCtl |= (u16)byFragType;
-
- return true;
-
-}
-
-/*+
- *
- * Description:
- * Translate 802.3 to 802.11 header
- *
- * Parameters:
- * In:
- * pDevice - Pointer to adapter
- * dwTxBufferAddr - Transmit Buffer
- * pPacket - Packet from upper layer
- * cbPacketSize - Transmit Data Length
- * Out:
- * pcbHeadSize - Header size of MAC&Baseband control and 802.11 Header
- * pcbAppendPayload - size of append payload for 802.1H translation
- *
- * Return Value: none
- *
--*/
-
-static void s_vGenerateMACHeader(struct vnt_private *pDevice,
- struct ieee80211_hdr *pMACHeader, u16 wDuration,
- struct ethhdr *psEthHeader, int bNeedEncrypt, u16 wFragType,
- u32 uFragIdx)
-{
-
- pMACHeader->frame_control = TYPE_802_11_DATA;
-
- if (pDevice->op_mode == NL80211_IFTYPE_AP) {
- memcpy(&(pMACHeader->addr1[0]),
- &(psEthHeader->h_dest[0]),
- ETH_ALEN);
- memcpy(&(pMACHeader->addr2[0]), &(pDevice->abyBSSID[0]), ETH_ALEN);
- memcpy(&(pMACHeader->addr3[0]),
- &(psEthHeader->h_source[0]),
- ETH_ALEN);
- pMACHeader->frame_control |= FC_FROMDS;
- } else {
- if (pDevice->op_mode == NL80211_IFTYPE_ADHOC) {
- memcpy(&(pMACHeader->addr1[0]),
- &(psEthHeader->h_dest[0]),
- ETH_ALEN);
- memcpy(&(pMACHeader->addr2[0]),
- &(psEthHeader->h_source[0]),
- ETH_ALEN);
- memcpy(&(pMACHeader->addr3[0]),
- &(pDevice->abyBSSID[0]),
- ETH_ALEN);
- } else {
- memcpy(&(pMACHeader->addr3[0]),
- &(psEthHeader->h_dest[0]),
- ETH_ALEN);
- memcpy(&(pMACHeader->addr2[0]),
- &(psEthHeader->h_source[0]),
- ETH_ALEN);
- memcpy(&(pMACHeader->addr1[0]),
- &(pDevice->abyBSSID[0]),
- ETH_ALEN);
- pMACHeader->frame_control |= FC_TODS;
- }
- }
-
- if (bNeedEncrypt)
- pMACHeader->frame_control |= cpu_to_le16((u16)WLAN_SET_FC_ISWEP(1));
-
- pMACHeader->duration_id = cpu_to_le16(wDuration);
-
- pMACHeader->seq_ctrl = cpu_to_le16(pDevice->wSeqCounter << 4);
-
- //Set FragNumber in Sequence Control
- pMACHeader->seq_ctrl |= cpu_to_le16((u16)uFragIdx);
-
- if ((wFragType == FRAGCTL_ENDFRAG) || (wFragType == FRAGCTL_NONFRAG)) {
- pDevice->wSeqCounter++;
- if (pDevice->wSeqCounter > 0x0fff)
- pDevice->wSeqCounter = 0;
- }
-
- if ((wFragType == FRAGCTL_STAFRAG) || (wFragType == FRAGCTL_MIDFRAG)) { //StartFrag or MidFrag
- pMACHeader->frame_control |= FC_MOREFRAG;
- }
-}
-
-/*+
- *
- * Description:
- * Request instructs a MAC to transmit a 802.11 management packet through
- * the adapter onto the medium.
- *
- * Parameters:
- * In:
- * hDeviceContext - Pointer to the adapter
- * pPacket - A pointer to a descriptor for the packet to transmit
- * Out:
- * none
- *
- * Return Value: CMD_STATUS_PENDING if MAC Tx resource available; otherwise false
- *
--*/
-
-CMD_STATUS csMgmt_xmit(struct vnt_private *pDevice,
- struct vnt_tx_mgmt *pPacket)
-{
- struct vnt_manager *pMgmt = &pDevice->vnt_mgmt;
- struct vnt_tx_buffer *pTX_Buffer;
- struct vnt_usb_send_context *pContext;
- struct vnt_tx_fifo_head *pTxBufHead;
- struct ieee80211_hdr *pMACHeader;
- struct ethhdr sEthHeader;
- u8 byPktType, *pbyTxBufferAddr;
- 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;
- u32 uPadding = 0;
- u16 wTxBufSize;
- u32 cbMacHdLen;
- u16 wCurrentRate = RATE_1M;
- unsigned long flags;
-
- if (pDevice->byBBType == BB_TYPE_11A) {
- wCurrentRate = RATE_6M;
- byPktType = PK_TYPE_11A;
- } else {
- wCurrentRate = RATE_1M;
- byPktType = PK_TYPE_11B;
- }
-
- 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];
- cbFrameBodySize = pPacket->cbPayloadLen;
- pTxBufHead = &pTX_Buffer->fifo_head;
- pbyTxBufferAddr = (u8 *)pTxBufHead;
- wTxBufSize = sizeof(struct vnt_tx_fifo_head);
-
-
- //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->time_stamp = cpu_to_le16(DEFAULT_MGN_LIFETIME_RES_64us);
-
- if (is_multicast_ether_addr(pPacket->p80211Header->sA3.abyAddr1)) {
- bNeedACK = false;
- }
- else {
- 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 ((pPacket->p80211Header->sA4.wFrameCtl & TYPE_SUBTYPE_MASK) == TYPE_MGMT_PROBE_RSP) {
- // bNeedACK = false;
- // pTxBufHead->wFIFOCtl &= (~FIFOCTL_NEEDACK);
- //}
- }
-
- pTxBufHead->wFIFOCtl |= (FIFOCTL_GENINT | FIFOCTL_ISDMA0);
-
- if ((pPacket->p80211Header->sA4.wFrameCtl & TYPE_SUBTYPE_MASK) == TYPE_CTL_PSPOLL) {
- bIsPSPOLL = true;
- cbMacHdLen = WLAN_HDR_ADDR2_LEN;
- } else {
- cbMacHdLen = WLAN_HDR_ADDR3_LEN;
- }
-
- //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(pPacket->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
- 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;
-
- //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()
-
- memcpy(&(sEthHeader.h_dest[0]),
- &(pPacket->p80211Header->sA3.abyAddr1[0]),
- ETH_ALEN);
- memcpy(&(sEthHeader.h_source[0]),
- &(pPacket->p80211Header->sA3.abyAddr2[0]),
- ETH_ALEN);
- //=========================
- // No Fragmentation
- //=========================
- pTxBufHead->wFragCtl |= (u16)FRAGCTL_NONFRAG;
-
- /* Fill FIFO,RrvTime,RTS,and CTS */
- uDuration = s_vGenerateTxParameter(pContext, byPktType, wCurrentRate,
- pTX_Buffer, &pMICHDR, 0,
- cbFrameSize, bNeedACK, &sEthHeader, false);
-
- cbHeaderSize = pContext->tx_hdr_size;
- if (!cbHeaderSize) {
- pContext->in_use = false;
- return CMD_STATUS_RESOURCES;
- }
-
- pMACHeader = pContext->hdr;
-
- cbReqCount = cbHeaderSize + cbMacHdLen + uPadding + cbIVlen + cbFrameBodySize;
-
- if (WLAN_GET_FC_ISWEP(pPacket->p80211Header->sA4.wFrameCtl) != 0) {
- u8 * pbyIVHead;
- u8 * pbyPayloadHead;
- u8 * pbyBSSID;
- PSKeyItem pTransmitKey = NULL;
-
- pbyIVHead = (u8 *)(pbyTxBufferAddr + cbHeaderSize + cbMacHdLen + uPadding);
- pbyPayloadHead = (u8 *)(pbyTxBufferAddr + cbHeaderSize + cbMacHdLen + uPadding + cbIVlen);
- do {
- 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) {
- // get group key
- if(KeybGetTransmitKey(&(pDevice->sKey), pbyBSSID, GROUP_KEY, &pTransmitKey) == true) {
- DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"Get GTK.\n");
- break;
- }
- } else {
- DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"Get PTK.\n");
- break;
- }
- }
- // get group key
- 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->op_mode);
- } else {
- DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"Get GTK.\n");
- }
- } while(false);
- //Fill TXKEY
- s_vFillTxKey(pContext, pTxBufHead, pbyIVHead, pTransmitKey,
- (u16)cbFrameBodySize, NULL);
-
- memcpy(pMACHeader, pPacket->p80211Header, cbMacHdLen);
- memcpy(pbyPayloadHead, ((u8 *)(pPacket->p80211Header) + cbMacHdLen),
- cbFrameBodySize);
- }
- else {
- // Copy the Packet into a tx Buffer
- memcpy(pMACHeader, pPacket->p80211Header, pPacket->cbMPDULen);
- }
-
- 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(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->tx_byte_count = cpu_to_le16((u16)(cbReqCount));
- pTX_Buffer->byPKTNO = (u8) (((wCurrentRate<<4) &0x00F0) | ((pDevice->wSeqCounter - 1) & 0x000F));
- pTX_Buffer->byType = 0x00;
-
- 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,
- pTxBufHead->wFIFOCtl);
- }
- else {
- 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 wCurrentRate;
- u32 cbFrameBodySize;
- u32 cbReqCount;
- struct vnt_usb_send_context *pContext;
- CMD_STATUS status;
-
- 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 = (struct vnt_beacon_buffer *)&pContext->data[0];
- short_head = &pTX_Buffer->short_head;
-
- cbFrameBodySize = pPacket->cbPayloadLen;
-
- cbHeaderSize = sizeof(struct vnt_tx_short_buf_head);
-
- if (pDevice->byBBType == BB_TYPE_11A) {
- wCurrentRate = RATE_6M;
-
- /* Get SignalField,ServiceField,Length */
- vnt_get_phy_field(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 */
- vnt_get_phy_field(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);
- }
-
-
- /* Generate Beacon Header */
- pDevice->wSeqCounter++;
- if (pDevice->wSeqCounter > 0x0fff)
- pDevice->wSeqCounter = 0;
-
- cbReqCount = cbHeaderSize + WLAN_HDR_ADDR3_LEN + cbFrameBodySize;
-
- 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->skb = NULL;
- pContext->type = CONTEXT_MGMT_PACKET;
- pContext->buf_len = (u16)cbReqCount + 4; /* USB header */
-
- PIPEnsSendBulkOut(pDevice,pContext);
- return CMD_STATUS_PENDING;
-
-}
-
-//TYPE_AC0DMA data tx
-/*
- * Description:
- * Tx packet via AC0DMA(DMA1)
- *
- * Parameters:
- * In:
- * pDevice - Pointer to the adapter
- * skb - Pointer to tx skb packet
- * Out:
- * void
- *
- * Return Value: NULL
- */
-
-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};
- u16 wAID;
- u8 byPktType;
- int bNeedEncryption = false;
- PSKeyItem pTransmitKey = NULL;
- int ii;
- int bTKIP_UseGTK = false;
- int bNeedDeAuth = false;
- u8 *pbyBSSID;
- int bNodeExist = false;
- struct vnt_usb_send_context *pContext;
- bool fConvertedPacket;
- u32 status;
- u16 wKeepRate = pDevice->wCurrentRate;
- int bTxeapol_key = false;
-
- if (pMgmt->eCurrMode == WMAC_MODE_ESS_AP) {
-
- if (pDevice->uAssocCount == 0) {
- dev_kfree_skb_irq(skb);
- return 0;
- }
-
- if (is_multicast_ether_addr((u8 *)(skb->data))) {
- uNodeIndex = 0;
- bNodeExist = true;
- if (pMgmt->sNodeDBTable[0].bPSEnable) {
-
- skb_queue_tail(&(pMgmt->sNodeDBTable[0].sTxPSQueue), skb);
- pMgmt->sNodeDBTable[0].wEnQueueCnt++;
- // set tx map
- pMgmt->abyPSTxMap[0] |= byMask[0];
- return 0;
- }
- // multicast/broadcast data rate
-
- if (pDevice->byBBType != BB_TYPE_11A)
- pDevice->wCurrentRate = RATE_2M;
- else
- pDevice->wCurrentRate = RATE_24M;
- // long preamble type
- pDevice->byPreambleType = PREAMBLE_SHORT;
-
- }else {
-
- if (BSSbIsSTAInNodeDB(pDevice, (u8 *)(skb->data), &uNodeIndex)) {
-
- if (pMgmt->sNodeDBTable[uNodeIndex].bPSEnable) {
-
- skb_queue_tail(&pMgmt->sNodeDBTable[uNodeIndex].sTxPSQueue, skb);
-
- pMgmt->sNodeDBTable[uNodeIndex].wEnQueueCnt++;
- // set tx map
- wAID = pMgmt->sNodeDBTable[uNodeIndex].wAID;
- pMgmt->abyPSTxMap[wAID >> 3] |= byMask[wAID & 7];
- DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Set:pMgmt->abyPSTxMap[%d]= %d\n",
- (wAID >> 3), pMgmt->abyPSTxMap[wAID >> 3]);
-
- return 0;
- }
- // AP rate decided from node
- pDevice->wCurrentRate = pMgmt->sNodeDBTable[uNodeIndex].wTxDataRate;
- // tx preamble decided from node
-
- if (pMgmt->sNodeDBTable[uNodeIndex].bShortPreamble) {
- pDevice->byPreambleType = pDevice->byShortPreamble;
-
- }else {
- pDevice->byPreambleType = PREAMBLE_LONG;
- }
- bNodeExist = true;
- }
- }
-
- if (bNodeExist == false) {
- DBG_PRT(MSG_LEVEL_DEBUG, KERN_DEBUG"Unknown STA not found in node DB \n");
- dev_kfree_skb_irq(skb);
- return 0;
- }
- }
-
- memcpy(&pDevice->sTxEthHeader, skb->data, ETH_HLEN);
-
-//mike add:station mode check eapol-key challenge--->
-{
- u8 Protocol_Version; //802.1x Authentication
- u8 Packet_Type; //802.1x Authentication
- u8 Descriptor_type;
- u16 Key_info;
-
- Protocol_Version = skb->data[ETH_HLEN];
- Packet_Type = skb->data[ETH_HLEN+1];
- Descriptor_type = skb->data[ETH_HLEN+1+1+2];
- Key_info = (skb->data[ETH_HLEN+1+1+2+1] << 8)|(skb->data[ETH_HLEN+1+1+2+2]);
- if (pDevice->sTxEthHeader.h_proto == cpu_to_be16(ETH_P_PAE)) {
- /* 802.1x OR eapol-key challenge frame transfer */
- if (((Protocol_Version == 1) || (Protocol_Version == 2)) &&
- (Packet_Type == 3)) {
- bTxeapol_key = true;
- if(!(Key_info & BIT3) && //WPA or RSN group-key challenge
- (Key_info & BIT8) && (Key_info & BIT9)) { //send 2/2 key
- if(Descriptor_type==254) {
- pDevice->fWPA_Authened = true;
- PRINT_K("WPA ");
- }
- else {
- pDevice->fWPA_Authened = true;
- PRINT_K("WPA2(re-keying) ");
- }
- PRINT_K("Authentication completed!!\n");
- }
- else if((Key_info & BIT3) && (Descriptor_type==2) && //RSN pairwise-key challenge
- (Key_info & BIT8) && (Key_info & BIT9)) {
- pDevice->fWPA_Authened = true;
- PRINT_K("WPA2 Authentication completed!!\n");
- }
- }
- }
-}
-//mike add:station mode check eapol-key challenge<---
-
- if (pDevice->bEncryptionEnable == true) {
- bNeedEncryption = true;
- // get Transmit key
- do {
- if ((pMgmt->eCurrMode == WMAC_MODE_ESS_STA) &&
- (pMgmt->eCurrState == WMAC_STATE_ASSOC)) {
- pbyBSSID = pDevice->abyBSSID;
- // get pairwise key
- if (KeybGetTransmitKey(&(pDevice->sKey), pbyBSSID, PAIRWISE_KEY, &pTransmitKey) == false) {
- // get group key
- if(KeybGetTransmitKey(&(pDevice->sKey), pbyBSSID, GROUP_KEY, &pTransmitKey) == true) {
- bTKIP_UseGTK = true;
- DBG_PRT(MSG_LEVEL_DEBUG, KERN_DEBUG"Get GTK.\n");
- break;
- }
- } else {
- DBG_PRT(MSG_LEVEL_DEBUG, KERN_DEBUG"Get PTK.\n");
- break;
- }
- }else if (pMgmt->eCurrMode == WMAC_MODE_IBSS_STA) {
- /* TO_DS = 0 and FROM_DS = 0 --> 802.11 MAC Address1 */
- pbyBSSID = pDevice->sTxEthHeader.h_dest;
- DBG_PRT(MSG_LEVEL_DEBUG, KERN_DEBUG"IBSS Serach Key: \n");
- for (ii = 0; ii< 6; ii++)
- DBG_PRT(MSG_LEVEL_DEBUG, KERN_DEBUG"%x \n", *(pbyBSSID+ii));
- DBG_PRT(MSG_LEVEL_DEBUG, KERN_DEBUG"\n");
-
- // get pairwise key
- if(KeybGetTransmitKey(&(pDevice->sKey), pbyBSSID, PAIRWISE_KEY, &pTransmitKey) == true)
- break;
- }
- // get group key
- pbyBSSID = pDevice->abyBroadcastAddr;
- if(KeybGetTransmitKey(&(pDevice->sKey), pbyBSSID, GROUP_KEY, &pTransmitKey) == false) {
- pTransmitKey = NULL;
- if (pMgmt->eCurrMode == WMAC_MODE_IBSS_STA) {
- DBG_PRT(MSG_LEVEL_DEBUG, KERN_DEBUG"IBSS and KEY is NULL. [%d]\n", pMgmt->eCurrMode);
- }
- else
- DBG_PRT(MSG_LEVEL_DEBUG, KERN_DEBUG"NOT IBSS and KEY is NULL. [%d]\n", pMgmt->eCurrMode);
- } else {
- bTKIP_UseGTK = true;
- DBG_PRT(MSG_LEVEL_DEBUG, KERN_DEBUG"Get GTK.\n");
- }
- } while(false);
- }
-
- byPktType = (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 {
- 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
- pDevice->wCurrentRate = pMgmt->sNodeDBTable[0].wTxDataRate;
- // preamble type
- pDevice->byPreambleType = pDevice->byShortPreamble;
- }
- else {
- if (BSSbIsSTAInNodeDB(pDevice, &(pDevice->sTxEthHeader.h_dest[0]), &uNodeIndex)) {
- pDevice->wCurrentRate = pMgmt->sNodeDBTable[uNodeIndex].wTxDataRate;
- if (pMgmt->sNodeDBTable[uNodeIndex].bShortPreamble) {
- pDevice->byPreambleType = pDevice->byShortPreamble;
-
- }
- else {
- pDevice->byPreambleType = PREAMBLE_LONG;
- }
- DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"Found Node Index is [%d] Tx Data Rate:[%d]\n",uNodeIndex, pDevice->wCurrentRate);
- }
- else {
- if (pDevice->byBBType != BB_TYPE_11A)
- pDevice->wCurrentRate = RATE_2M;
- else
- pDevice->wCurrentRate = RATE_24M; // refer to vMgrCreateOwnIBSS()'s
- // abyCurrExtSuppRates[]
- pDevice->byPreambleType = PREAMBLE_SHORT;
- DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"Not Found Node use highest basic Rate.....\n");
- }
- }
- }
- if (pDevice->op_mode == NL80211_IFTYPE_STATION) {
- // Infra STA rate decided from AP Node, index = 0
- pDevice->wCurrentRate = pMgmt->sNodeDBTable[0].wTxDataRate;
- }
- }
-
- if (pDevice->sTxEthHeader.h_proto == cpu_to_be16(ETH_P_PAE)) {
- if (pDevice->byBBType != BB_TYPE_11A) {
- pDevice->wCurrentRate = RATE_1M;
- pDevice->byTopCCKBasicRate = RATE_1M;
- pDevice->byTopOFDMBasicRate = RATE_6M;
- } else {
- pDevice->wCurrentRate = RATE_6M;
- pDevice->byTopCCKBasicRate = RATE_1M;
- pDevice->byTopOFDMBasicRate = RATE_6M;
- }
- }
-
- DBG_PRT(MSG_LEVEL_DEBUG,
- KERN_INFO "dma_tx: pDevice->wCurrentRate = %d\n",
- pDevice->wCurrentRate);
-
- if (wKeepRate != pDevice->wCurrentRate) {
- bScheduleCommand((void *) pDevice, WLAN_CMD_SETPOWER, NULL);
- }
-
- if (pDevice->wCurrentRate <= RATE_11M) {
- byPktType = PK_TYPE_11B;
- }
-
- if (bNeedEncryption == true) {
- DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"ntohs Pkt Type=%04x\n", ntohs(pDevice->sTxEthHeader.h_proto));
- if ((pDevice->sTxEthHeader.h_proto) == cpu_to_be16(ETH_P_PAE)) {
- bNeedEncryption = false;
- DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"Pkt Type=%04x\n", (pDevice->sTxEthHeader.h_proto));
- if ((pMgmt->eCurrMode == WMAC_MODE_ESS_STA) && (pMgmt->eCurrState == WMAC_STATE_ASSOC)) {
- if (pTransmitKey == NULL) {
- DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"Don't Find TX KEY\n");
- }
- else {
- if (bTKIP_UseGTK == true) {
- DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"error: KEY is GTK!!~~\n");
- }
- else {
- 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");
- dev_kfree_skb_irq(skb);
- pStats->tx_dropped++;
- return STATUS_FAILURE;
- }
- }
- }
-
- 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(pContext, byPktType,
- pTX_Buffer, bNeedEncryption,
- skb->len, &pDevice->sTxEthHeader,
- (u8 *)skb->data, pTransmitKey, uNodeIndex,
- pDevice->wCurrentRate,
- &uHeaderLen, &BytesToWrite
- );
-
- if (fConvertedPacket == false) {
- pContext->in_use = false;
- dev_kfree_skb_irq(skb);
- return STATUS_FAILURE;
- }
-
- if ( pDevice->bEnablePSMode == true ) {
- if ( !pDevice->bPSModeTxBurst ) {
- bScheduleCommand((void *) pDevice,
- WLAN_CMD_MAC_DISPOWERSAVING,
- NULL);
- pDevice->bPSModeTxBurst = true;
- }
- }
-
- pTX_Buffer->byPKTNO = (u8) (((pDevice->wCurrentRate<<4) &0x00F0) | ((pDevice->wSeqCounter - 1) & 0x000F));
- pTX_Buffer->tx_byte_count = cpu_to_le16((u16)BytesToWrite);
-
- 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],
- (u16)(BytesToWrite-uHeaderLen),
- pTX_Buffer->fifo_head.wFIFOCtl);
-
- status = PIPEnsSendBulkOut(pDevice,pContext);
-
- if (bNeedDeAuth == true) {
- u16 wReason = WLAN_MGMT_REASON_MIC_FAILURE;
-
- bScheduleCommand((void *) pDevice, WLAN_CMD_DEAUTH, (u8 *) &wReason);
- }
-
- if (status != STATUS_PENDING) {
- pContext->in_use = false;
- dev_kfree_skb_irq(skb);
- return STATUS_FAILURE;
- }
-
-
- return 0;
-}
static void vnt_fill_txkey(struct vnt_usb_send_context *tx_context,
u8 *key_buffer, struct ieee80211_key_conf *tx_key, struct sk_buff *skb,