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rtl8192eu-linux-driver/hal/rtl8192e/rtl8192e_xmit.c
CGarces 3d6c7de21a Updated to 4.4.1
2017-05-11 20:49:39 +02:00

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15 KiB
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/******************************************************************************
*
* Copyright(c) 2007 - 2011 Realtek Corporation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of version 2 of the GNU General Public License as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along with
* this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
*
*
******************************************************************************/
#define _RTL8192E_XMIT_C_
//#include <drv_types.h>
#include <rtl8192e_hal.h>
s32 rtl8192e_init_xmit_priv(_adapter *padapter)
{
HAL_DATA_TYPE *pHalData = GET_HAL_DATA(padapter);
struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
#ifdef CONFIG_TX_EARLY_MODE
pHalData->bEarlyModeEnable = padapter->registrypriv.early_mode;
#endif
pxmitpriv->hw_ssn_seq_no = rtw_get_hwseq_no(padapter);
pxmitpriv->nqos_ssn = 0;
return _SUCCESS;
}
void _dbg_dump_tx_info(_adapter *padapter,int frame_tag, u8 *ptxdesc)
{
u8 bDumpTxPkt;
u8 bDumpTxDesc = _FALSE;
rtw_hal_get_def_var(padapter, HAL_DEF_DBG_DUMP_TXPKT, &(bDumpTxPkt));
if(bDumpTxPkt ==1){//dump txdesc for data frame
DBG_871X("dump tx_desc for data frame\n");
if((frame_tag&0x0f) == DATA_FRAMETAG){
bDumpTxDesc = _TRUE;
}
}
else if(bDumpTxPkt ==2){//dump txdesc for mgnt frame
DBG_871X("dump tx_desc for mgnt frame\n");
if((frame_tag&0x0f) == MGNT_FRAMETAG){
bDumpTxDesc = _TRUE;
}
}
else if(bDumpTxPkt ==3){//dump early info
}
if(bDumpTxDesc){
// ptxdesc->txdw4 = cpu_to_le32(0x00001006);//RTS Rate=24M
// ptxdesc->txdw6 = 0x6666f800;
DBG_8192C("=====================================\n");
DBG_8192C("Offset00(0x%08x)\n",*((u32 *)(ptxdesc)));
DBG_8192C("Offset04(0x%08x)\n",*((u32 *)(ptxdesc+4)));
DBG_8192C("Offset08(0x%08x)\n",*((u32 *)(ptxdesc+8)));
DBG_8192C("Offset12(0x%08x)\n",*((u32 *)(ptxdesc+12)));
DBG_8192C("Offset16(0x%08x)\n",*((u32 *)(ptxdesc+16)));
DBG_8192C("Offset20(0x%08x)\n",*((u32 *)(ptxdesc+20)));
DBG_8192C("Offset24(0x%08x)\n",*((u32 *)(ptxdesc+24)));
DBG_8192C("Offset28(0x%08x)\n",*((u32 *)(ptxdesc+28)));
DBG_8192C("Offset32(0x%08x)\n",*((u32 *)(ptxdesc+32)));
DBG_8192C("Offset36(0x%08x)\n",*((u32 *)(ptxdesc+36)));
DBG_8192C("=====================================\n");
}
}
/*
* Description:
* Aggregation packets and send to hardware
*
* Return:
* 0 Success
* -1 Hardware resource(TX FIFO) not ready
* -2 Software resource(xmitbuf) not ready
*/
#ifdef CONFIG_TX_EARLY_MODE
//#define DBG_EMINFO
#if RTL8188E_EARLY_MODE_PKT_NUM_10 == 1
#define EARLY_MODE_MAX_PKT_NUM 10
#else
#define EARLY_MODE_MAX_PKT_NUM 5
#endif
struct EMInfo{
u8 EMPktNum;
u16 EMPktLen[EARLY_MODE_MAX_PKT_NUM];
};
void
InsertEMContent_8192E(
struct EMInfo *pEMInfo,
IN pu1Byte VirtualAddress)
{
#if RTL8188E_EARLY_MODE_PKT_NUM_10 == 1
u1Byte index=0;
u4Byte dwtmp=0;
#endif
_rtw_memset(VirtualAddress, 0, EARLY_MODE_INFO_SIZE);
if(pEMInfo->EMPktNum==0)
return;
#ifdef DBG_EMINFO
{
int i;
DBG_8192C("\n%s ==> pEMInfo->EMPktNum =%d\n",__FUNCTION__,pEMInfo->EMPktNum);
for(i=0;i< EARLY_MODE_MAX_PKT_NUM;i++){
DBG_8192C("%s ==> pEMInfo->EMPktLen[%d] =%d\n",__FUNCTION__,i,pEMInfo->EMPktLen[i]);
}
}
#endif
#if RTL8188E_EARLY_MODE_PKT_NUM_10 == 1
SET_EARLYMODE_PKTNUM(VirtualAddress, pEMInfo->EMPktNum);
if(pEMInfo->EMPktNum == 1){
dwtmp = pEMInfo->EMPktLen[0];
}else{
dwtmp = pEMInfo->EMPktLen[0];
dwtmp += ((dwtmp%4)?(4-dwtmp%4):0)+4;
dwtmp += pEMInfo->EMPktLen[1];
}
SET_EARLYMODE_LEN0(VirtualAddress, dwtmp);
if(pEMInfo->EMPktNum <= 3){
dwtmp = pEMInfo->EMPktLen[2];
}else{
dwtmp = pEMInfo->EMPktLen[2];
dwtmp += ((dwtmp%4)?(4-dwtmp%4):0)+4;
dwtmp += pEMInfo->EMPktLen[3];
}
SET_EARLYMODE_LEN1(VirtualAddress, dwtmp);
if(pEMInfo->EMPktNum <= 5){
dwtmp = pEMInfo->EMPktLen[4];
}else{
dwtmp = pEMInfo->EMPktLen[4];
dwtmp += ((dwtmp%4)?(4-dwtmp%4):0)+4;
dwtmp += pEMInfo->EMPktLen[5];
}
SET_EARLYMODE_LEN2_1(VirtualAddress, dwtmp&0xF);
SET_EARLYMODE_LEN2_2(VirtualAddress, dwtmp>>4);
if(pEMInfo->EMPktNum <= 7){
dwtmp = pEMInfo->EMPktLen[6];
}else{
dwtmp = pEMInfo->EMPktLen[6];
dwtmp += ((dwtmp%4)?(4-dwtmp%4):0)+4;
dwtmp += pEMInfo->EMPktLen[7];
}
SET_EARLYMODE_LEN3(VirtualAddress, dwtmp);
if(pEMInfo->EMPktNum <= 9){
dwtmp = pEMInfo->EMPktLen[8];
}else{
dwtmp = pEMInfo->EMPktLen[8];
dwtmp += ((dwtmp%4)?(4-dwtmp%4):0)+4;
dwtmp += pEMInfo->EMPktLen[9];
}
SET_EARLYMODE_LEN4(VirtualAddress, dwtmp);
#else
SET_EARLYMODE_PKTNUM(VirtualAddress, pEMInfo->EMPktNum);
SET_EARLYMODE_LEN0(VirtualAddress, pEMInfo->EMPktLen[0]);
SET_EARLYMODE_LEN1(VirtualAddress, pEMInfo->EMPktLen[1]);
SET_EARLYMODE_LEN2_1(VirtualAddress, pEMInfo->EMPktLen[2]&0xF);
SET_EARLYMODE_LEN2_2(VirtualAddress, pEMInfo->EMPktLen[2]>>4);
SET_EARLYMODE_LEN3(VirtualAddress, pEMInfo->EMPktLen[3]);
SET_EARLYMODE_LEN4(VirtualAddress, pEMInfo->EMPktLen[4]);
#endif
//RT_PRINT_DATA(COMP_SEND, DBG_LOUD, "EMHdr:", VirtualAddress, 8);
}
void UpdateEarlyModeInfo8192E(struct xmit_priv *pxmitpriv,struct xmit_buf *pxmitbuf )
{
//_adapter *padapter, struct xmit_frame *pxmitframe,struct tx_servq *ptxservq
int index,j;
u16 offset,pktlen;
PTXDESC_8192E ptxdesc;
u8 *pmem,*pEMInfo_mem;
s8 node_num_0=0,node_num_1=0;
struct EMInfo eminfo;
struct agg_pkt_info *paggpkt;
struct xmit_frame *pframe = (struct xmit_frame*)pxmitbuf->priv_data;
pmem= pframe->buf_addr;
#ifdef DBG_EMINFO
DBG_8192C("\n%s ==> agg_num:%d\n",__FUNCTION__, pframe->agg_num);
for(index=0;index<pframe->agg_num;index++){
offset = pxmitpriv->agg_pkt[index].offset;
pktlen = pxmitpriv->agg_pkt[index].pkt_len;
DBG_8192C("%s ==> agg_pkt[%d].offset=%d\n",__FUNCTION__,index,offset);
DBG_8192C("%s ==> agg_pkt[%d].pkt_len=%d\n",__FUNCTION__,index,pktlen);
}
#endif
if( pframe->agg_num > EARLY_MODE_MAX_PKT_NUM)
{
node_num_0 = pframe->agg_num;
node_num_1= EARLY_MODE_MAX_PKT_NUM-1;
}
for(index=0;index<pframe->agg_num;index++){
offset = pxmitpriv->agg_pkt[index].offset;
pktlen = pxmitpriv->agg_pkt[index].pkt_len;
_rtw_memset(&eminfo,0,sizeof(struct EMInfo));
if( pframe->agg_num > EARLY_MODE_MAX_PKT_NUM){
if(node_num_0 > EARLY_MODE_MAX_PKT_NUM){
eminfo.EMPktNum = EARLY_MODE_MAX_PKT_NUM;
node_num_0--;
}
else{
eminfo.EMPktNum = node_num_1;
node_num_1--;
}
}
else{
eminfo.EMPktNum = pframe->agg_num-(index+1);
}
for(j=0;j< eminfo.EMPktNum ;j++){
eminfo.EMPktLen[j] = pxmitpriv->agg_pkt[index+1+j].pkt_len+4;// 4 bytes CRC
}
if(pmem){
if(index==0){
ptxdesc = (PTXDESC_8192E)(pmem);
pEMInfo_mem = ((u8 *)ptxdesc)+TXDESC_SIZE;
}
else{
pmem = pmem + pxmitpriv->agg_pkt[index-1].offset;
ptxdesc = (PTXDESC_8192E)(pmem);
pEMInfo_mem = ((u8 *)ptxdesc)+TXDESC_SIZE;
}
#ifdef DBG_EMINFO
DBG_8192C("%s ==> desc.pkt_len=%d\n",__FUNCTION__,ptxdesc->pktlen);
#endif
InsertEMContent_8192E(&eminfo,pEMInfo_mem);
}
}
_rtw_memset(pxmitpriv->agg_pkt,0,sizeof(struct agg_pkt_info)*MAX_AGG_PKT_NUM);
}
#endif
#if ((DEV_BUS_TYPE == RT_USB_INTERFACE) ||(DEV_BUS_TYPE == RT_SDIO_INTERFACE))
void rtl8192e_cal_txdesc_chksum(u8 *ptxdesc)
{
u16 *usPtr = (u16*)ptxdesc;
u32 count = 16; // (32 bytes / 2 bytes per XOR) => 16 times
u32 index;
u16 checksum = 0;
//Clear first
SET_TX_DESC_TX_DESC_CHECKSUM_92E(ptxdesc, 0);
for(index = 0 ; index < count ; index++){
checksum = checksum ^ le16_to_cpu(*(usPtr + index));
}
SET_TX_DESC_TX_DESC_CHECKSUM_92E(ptxdesc, checksum);
}
#endif
void fill_txdesc_sectype(struct pkt_attrib *pattrib, u8 *ptxdesc)
{
if ((pattrib->encrypt > 0) && !pattrib->bswenc)
{
switch (pattrib->encrypt)
{
//SEC_TYPE : 0:NO_ENC,1:WEP40/TKIP,2:WAPI,3:AES
case _WEP40_:
case _WEP104_:
case _TKIP_:
case _TKIP_WTMIC_:
SET_TX_DESC_SEC_TYPE_92E(ptxdesc, 0x1);
break;
#ifdef CONFIG_WAPI_SUPPORT
case _SMS4_:
SET_TX_DESC_SEC_TYPE_92E(ptxdesc, 0x2);
break;
#endif
case _AES_:
SET_TX_DESC_SEC_TYPE_92E(ptxdesc, 0x3);
break;
case _NO_PRIVACY_:
default:
SET_TX_DESC_SEC_TYPE_92E(ptxdesc, 0x0);
break;
}
}
}
void fill_txdesc_vcs(struct pkt_attrib *pattrib, u8 *ptxdesc)
{
//DBG_8192C("cvs_mode=%d\n", pattrib->vcs_mode);
SET_TX_DESC_HW_RTS_ENABLE_92E(ptxdesc, 0);
switch(pattrib->vcs_mode)
{
case RTS_CTS:
SET_TX_DESC_RTS_ENABLE_92E(ptxdesc, 1);
break;
case CTS_TO_SELF:
SET_TX_DESC_CTS2SELF_92E(ptxdesc, 1);
break;
case NONE_VCS:
default:
break;
}
#if 0 //to do
// Protection mode related
if(pTcb->bRTSEnable || pTcb->bCTSEnable)
{
SET_TX_DESC_CCA_RTS_92E(pDesc, pTcb->RTSCCA);
//SET_TX_DESC_RTS_ENABLE_92E(pDesc, ((pTcb->bRTSEnable && !pTcb->bCTSEnable) ? 1 : 0));
//SET_TX_DESC_CTS2SELF_92E(pDesc, ((pTcb->bCTSEnable) ? 1 : 0));
SET_TX_DESC_CTROL_STBC_92E(pDesc, ((pTcb->bRTSSTBC) ? 1 : 0));
SET_TX_DESC_RTS_SHORT_92E(pDesc, pTcb->bRTSShort);
SET_TX_DESC_RTS_RATE_92E(pDesc, MRateToHwRate((u1Byte)pTcb->RTSRate));
if(pMgntInfo->ForcedProtectionMode == PROTECTION_MODE_FORCE_ENABLE)
{
SET_TX_DESC_RTS_RATE_FB_LIMIT_92E(pDesc, 1);
}
else
{
SET_TX_DESC_RTS_RATE_FB_LIMIT_92E(pDesc, 0xF);
}
}
#endif
}
u8
BWMapping_92E(
IN PADAPTER Adapter,
IN struct pkt_attrib *pattrib
)
{
u8 BWSettingOfDesc = 0;
PHAL_DATA_TYPE pHalData = GET_HAL_DATA(Adapter);
//DBG_871X("BWMapping pHalData->CurrentChannelBW %d, pattrib->bwmode %d \n",pHalData->CurrentChannelBW,pattrib->bwmode);
if(pHalData->CurrentChannelBW== CHANNEL_WIDTH_40)
{
if(pattrib->bwmode == CHANNEL_WIDTH_40)
BWSettingOfDesc = 1;
else
BWSettingOfDesc = 0;
}
else
BWSettingOfDesc = 0;
//if(pTcb->bBTTxPacket)
// BWSettingOfDesc = 0;
return BWSettingOfDesc;
}
u8
SCMapping_92E(
IN PADAPTER Adapter,
IN struct pkt_attrib *pattrib
)
{
u8 SCSettingOfDesc = 0;
PHAL_DATA_TYPE pHalData = GET_HAL_DATA(Adapter);
//DBG_871X("SCMapping: pHalData->CurrentChannelBW %d, pHalData->nCur80MhzPrimeSC %d, pHalData->nCur40MhzPrimeSC %d \n",pHalData->CurrentChannelBW,pHalData->nCur80MhzPrimeSC,pHalData->nCur40MhzPrimeSC);
if(pHalData->CurrentChannelBW == CHANNEL_WIDTH_80)
{
if(pattrib->bwmode == CHANNEL_WIDTH_80)
{
SCSettingOfDesc = VHT_DATA_SC_DONOT_CARE;
}
else if(pattrib->bwmode == CHANNEL_WIDTH_40)
{
if(pHalData->nCur80MhzPrimeSC == HAL_PRIME_CHNL_OFFSET_LOWER)
SCSettingOfDesc = VHT_DATA_SC_40_LOWER_OF_80MHZ;
else if(pHalData->nCur80MhzPrimeSC == HAL_PRIME_CHNL_OFFSET_UPPER)
SCSettingOfDesc = VHT_DATA_SC_40_UPPER_OF_80MHZ;
else
DBG_871X("%s- CurrentChannelBW:%d, SCMapping: DONOT CARE Mode Setting\n", __func__, pHalData->CurrentChannelBW);
}
else
{
if((pHalData->nCur40MhzPrimeSC == HAL_PRIME_CHNL_OFFSET_LOWER) && (pHalData->nCur80MhzPrimeSC == HAL_PRIME_CHNL_OFFSET_LOWER))
SCSettingOfDesc = VHT_DATA_SC_20_LOWEST_OF_80MHZ;
else if((pHalData->nCur40MhzPrimeSC == HAL_PRIME_CHNL_OFFSET_UPPER) && (pHalData->nCur80MhzPrimeSC == HAL_PRIME_CHNL_OFFSET_LOWER))
SCSettingOfDesc = VHT_DATA_SC_20_LOWER_OF_80MHZ;
else if((pHalData->nCur40MhzPrimeSC == HAL_PRIME_CHNL_OFFSET_LOWER) && (pHalData->nCur80MhzPrimeSC == HAL_PRIME_CHNL_OFFSET_UPPER))
SCSettingOfDesc = VHT_DATA_SC_20_UPPER_OF_80MHZ;
else if((pHalData->nCur40MhzPrimeSC == HAL_PRIME_CHNL_OFFSET_UPPER) && (pHalData->nCur80MhzPrimeSC == HAL_PRIME_CHNL_OFFSET_UPPER))
SCSettingOfDesc = VHT_DATA_SC_20_UPPERST_OF_80MHZ;
else
DBG_871X("%s- CurrentChannelBW:%d, SCMapping: DONOT CARE Mode Setting\n", __func__, pHalData->CurrentChannelBW);
}
}
else if(pHalData->CurrentChannelBW== CHANNEL_WIDTH_40)
{
//DBG_871X("SCMapping: HT Case: pHalData->CurrentChannelBW %d, pHalData->nCur40MhzPrimeSC %d \n",pHalData->CurrentChannelBW,pHalData->nCur40MhzPrimeSC);
if(pattrib->bwmode == CHANNEL_WIDTH_40)
{
SCSettingOfDesc = VHT_DATA_SC_DONOT_CARE;
}
else if(pattrib->bwmode == CHANNEL_WIDTH_20)
{
if(pHalData->nCur40MhzPrimeSC == HAL_PRIME_CHNL_OFFSET_UPPER)
{
SCSettingOfDesc = VHT_DATA_SC_20_UPPER_OF_80MHZ;
}
else if(pHalData->nCur40MhzPrimeSC == HAL_PRIME_CHNL_OFFSET_LOWER)
{
SCSettingOfDesc = VHT_DATA_SC_20_LOWER_OF_80MHZ;
}
else
{
SCSettingOfDesc = VHT_DATA_SC_DONOT_CARE;
}
}
}
else
{
SCSettingOfDesc = VHT_DATA_SC_DONOT_CARE;
}
return SCSettingOfDesc;
}
void fill_txdesc_phy(PADAPTER padapter, struct pkt_attrib *pattrib, u8 *ptxdesc)
{
//DBG_8192C("bwmode=%d, ch_off=%d\n", pattrib->bwmode, pattrib->ch_offset);
if(pattrib->ht_en)
{
// Set Bandwidth and sub-channel settings.
SET_TX_DESC_DATA_BW_92E(ptxdesc, BWMapping_92E(padapter,pattrib));
SET_TX_DESC_DATA_SC_92E(ptxdesc, SCMapping_92E(padapter,pattrib));
}
}
void rtl8192e_fixed_rate(_adapter *padapter,u8 *ptxdesc)
{
if(padapter->fix_rate!= 0xFF){
SET_TX_DESC_USE_RATE_92E(ptxdesc, 1);
//if(pHalData->INIDATA_RATE[pattrib->mac_id] & BIT(7))
{
if(padapter->fix_rate & BIT(7))
SET_TX_DESC_DATA_SHORT_92E(ptxdesc, 1);
}
SET_TX_DESC_TX_RATE_92E(ptxdesc, (padapter->fix_rate & 0x7F));
//SET_TX_DESC_DISABLE_FB_92E(ptxdesc,1);
if (!padapter->data_fb)
SET_TX_DESC_DISABLE_FB_92E(ptxdesc,1);
//ptxdesc->datarate = padapter->fix_rate;
}
}
//
// Description: In normal chip, we should send some packet to Hw which will be used by Fw
// in FW LPS mode. The function is to fill the Tx descriptor of this packets, then
// Fw can tell Hw to send these packet derectly.
//
void rtl8192e_fill_fake_txdesc(
PADAPTER padapter,
u8* pDesc,
u32 BufferLen,
u8 IsPsPoll,
u8 IsBTQosNull,
u8 bDataFrame)
{
struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
// Clear all status
_rtw_memset(pDesc, 0, TXDESC_SIZE);
SET_TX_DESC_OFFSET_92E(pDesc, (TXDESC_SIZE+OFFSET_SZ));
SET_TX_DESC_PKT_SIZE_92E(pDesc, BufferLen);
if (pmlmeext->cur_wireless_mode & WIRELESS_11B) {
SET_TX_DESC_RATE_ID_92E(pDesc, RATEID_IDX_B);
} else {
SET_TX_DESC_RATE_ID_92E(pDesc, RATEID_IDX_G);
}
SET_TX_DESC_QUEUE_SEL_92E(pDesc, QSLT_MGNT);
//Set NAVUSEHDR to prevent Ps-poll AId filed to be changed to error vlaue by Hw.
if (IsPsPoll)
{
SET_TX_DESC_NAV_USE_HDR_92E(pDesc, 1);
}
else
{
SET_TX_DESC_EN_HWSEQ_92E(pDesc, 1); // Hw set sequence number
SET_TX_DESC_HWSEQ_SEL_92E(pDesc, pxmitpriv->hw_ssn_seq_no);
}
SET_TX_DESC_USE_RATE_92E(pDesc, 1);
SET_TX_DESC_TX_RATE_92E(pDesc, MRateToHwRate(pmlmeext->tx_rate));
//
// Encrypt the data frame if under security mode excepct null data. Suggested by CCW.
//
if (_TRUE ==bDataFrame)
{
struct pkt_attrib pattrib;
pattrib.encrypt = padapter->securitypriv.dot11PrivacyAlgrthm;
pattrib.bswenc = _FALSE;
fill_txdesc_sectype(&pattrib, pDesc);
}
#if defined(CONFIG_USB_HCI) || defined(CONFIG_SDIO_HCI)
// USB interface drop packet if the checksum of descriptor isn't correct.
// Using this checksum can let hardware recovery from packet bulk out error (e.g. Cancel URC, Bulk out error.).
rtl8192e_cal_txdesc_chksum(pDesc);
#endif
}
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