//
// 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 rtl8188e_fill_fake_txdesc(
PADAPTER padapter,
u8* pDesc,
u32 BufferLen,
u8 IsPsPoll,
u8 IsBTQosNull)
{
struct tx_desc *ptxdesc;
// Clear all status
ptxdesc = (struct tx_desc*)pDesc;
_rtw_memset(pDesc, 0, TXDESC_SIZE);
//offset 0
ptxdesc->txdw0 |= cpu_to_le32( OWN | FSG | LSG); //own, bFirstSeg, bLastSeg;
ptxdesc->txdw0 |= cpu_to_le32(((TXDESC_SIZE+OFFSET_SZ)<<OFFSET_SHT)&0x00ff0000); //32 bytes for TX Desc
ptxdesc->txdw0 |= cpu_to_le32(BufferLen&0x0000ffff); // Buffer size + command header
//offset 4
ptxdesc->txdw1 |= cpu_to_le32((QSLT_MGNT<<QSEL_SHT)&0x00001f00); // Fixed queue of Mgnt queue
//Set NAVUSEHDR to prevent Ps-poll AId filed to be changed to error vlaue by Hw.
if (IsPsPoll)
{
ptxdesc->txdw1 |= cpu_to_le32(NAVUSEHDR);
}
else
{
ptxdesc->txdw4 |= cpu_to_le32(BIT(7)); // Hw set sequence number
ptxdesc->txdw3 |= cpu_to_le32((8 <<28)); //set bit3 to 1. Suugested by TimChen. 2009.12.29.
}
if (_TRUE == IsBTQosNull)
{
ptxdesc->txdw2 |= cpu_to_le32(BIT(23)); // BT NULL
}
//offset 16
ptxdesc->txdw4 |= cpu_to_le32(BIT(8));//driver uses rate
#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.).
rtl8188e_cal_txdesc_chksum(ptxdesc);
#endif
}
/*
* Description:
*
* Parameters:
* pxmitframe xmitframe
* pbuf where to fill tx desc
*/
void rtl8188es_update_txdesc(struct xmit_frame *pxmitframe, u8 *pbuf)
{
struct tx_desc *pdesc;
pdesc = (struct tx_desc*)pbuf;
_rtw_memset(pdesc, 0, sizeof(struct tx_desc));
rtl8188es_fill_default_txdesc(pxmitframe, pbuf);
pdesc->txdw0 = cpu_to_le32(pdesc->txdw0);
pdesc->txdw1 = cpu_to_le32(pdesc->txdw1);
pdesc->txdw2 = cpu_to_le32(pdesc->txdw2);
pdesc->txdw3 = cpu_to_le32(pdesc->txdw3);
pdesc->txdw4 = cpu_to_le32(pdesc->txdw4);
pdesc->txdw5 = cpu_to_le32(pdesc->txdw5);
pdesc->txdw6 = cpu_to_le32(pdesc->txdw6);
pdesc->txdw7 = cpu_to_le32(pdesc->txdw7);
rtl8188e_cal_txdesc_chksum(pdesc);
}
//
// 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 rtl8188e_fill_fake_txdesc(
PADAPTER padapter,
u8* pDesc,
u32 BufferLen,
u8 IsPsPoll,
u8 IsBTQosNull,
u8 bDataFrame)
{
struct tx_desc *ptxdesc;
// Clear all status
ptxdesc = (struct tx_desc*)pDesc;
_rtw_memset(pDesc, 0, TXDESC_SIZE);
//offset 0
ptxdesc->txdw0 |= cpu_to_le32( OWN | FSG | LSG); //own, bFirstSeg, bLastSeg;
ptxdesc->txdw0 |= cpu_to_le32(((TXDESC_SIZE+OFFSET_SZ)<<OFFSET_SHT)&0x00ff0000); //32 bytes for TX Desc
ptxdesc->txdw0 |= cpu_to_le32(BufferLen&0x0000ffff); // Buffer size + command header
//offset 4
ptxdesc->txdw1 |= cpu_to_le32((QSLT_MGNT<<QSEL_SHT)&0x00001f00); // Fixed queue of Mgnt queue
//Set NAVUSEHDR to prevent Ps-poll AId filed to be changed to error vlaue by Hw.
if (IsPsPoll)
{
ptxdesc->txdw1 |= cpu_to_le32(NAVUSEHDR);
}
else
{
ptxdesc->txdw4 |= cpu_to_le32(BIT(7)); // Hw set sequence number
ptxdesc->txdw3 |= cpu_to_le32((8 <<28)); //set bit3 to 1. Suugested by TimChen. 2009.12.29.
}
if (_TRUE == IsBTQosNull)
{
ptxdesc->txdw2 |= cpu_to_le32(BIT(23)); // BT NULL
}
//offset 16
ptxdesc->txdw4 |= cpu_to_le32(BIT(8));//driver uses rate
//
// Encrypt the data frame if under security mode excepct null data. Suggested by CCW.
//
if (_TRUE ==bDataFrame)
{
u32 EncAlg;
EncAlg = padapter->securitypriv.dot11PrivacyAlgrthm;
switch (EncAlg)
{
case _NO_PRIVACY_:
SET_TX_DESC_SEC_TYPE_8188E(pDesc, 0x0);
break;
case _WEP40_:
case _WEP104_:
case _TKIP_:
SET_TX_DESC_SEC_TYPE_8188E(pDesc, 0x1);
break;
case _SMS4_:
SET_TX_DESC_SEC_TYPE_8188E(pDesc, 0x2);
break;
case _AES_:
SET_TX_DESC_SEC_TYPE_8188E(pDesc, 0x3);
break;
default:
SET_TX_DESC_SEC_TYPE_8188E(pDesc, 0x0);
break;
}
}
#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.).
rtl8188e_cal_txdesc_chksum(ptxdesc);
#endif
}
