rtl8192eu-linux-driver/hal/rtl8192e/rtl8192e_rxdesc.c

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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_RXDESC_C_
//#include <drv_types.h>
#include <rtl8192e_hal.h>
void rtl8192e_query_rx_desc_status(union recv_frame *precvframe, u8 *pdesc)
{
struct rx_pkt_attrib *pattrib = &precvframe->u.hdr.attrib;
_rtw_memset(pattrib, 0, sizeof(struct rx_pkt_attrib));
//Offset 0
pattrib->pkt_len = (u16)GET_RX_STATUS_DESC_PKT_LEN_92E(pdesc);//(le32_to_cpu(pdesc->rxdw0)&0x00003fff)
pattrib->crc_err = (u8)GET_RX_STATUS_DESC_CRC32_92E(pdesc);//((le32_to_cpu(pdesc->rxdw0) >> 14) & 0x1);
pattrib->icv_err = (u8)GET_RX_STATUS_DESC_ICVERR_92E(pdesc);//((le32_to_cpu(pdesc->rxdw0) >> 15) & 0x1);
pattrib->drvinfo_sz = (u8)GET_RX_STATUS_DESC_DRVINFO_SIZE_92E(pdesc) * 8;//((le32_to_cpu(pdesc->rxdw0) >> 16) & 0xf) * 8;//uint 2^3 = 8 bytes
pattrib->encrypt = (u8)GET_RX_STATUS_DESC_SECURITY_92E(pdesc);//((le32_to_cpu(pdesc->rxdw0) >> 20) & 0x7);
pattrib->qos = (u8)GET_RX_STATUS_DESC_QOS_92E(pdesc);//(( le32_to_cpu( pdesc->rxdw0 ) >> 23) & 0x1);// Qos data, wireless lan header length is 26
pattrib->shift_sz = (u8)GET_RX_STATUS_DESC_SHIFT_92E(pdesc);//((le32_to_cpu(pdesc->rxdw0) >> 24) & 0x3);
pattrib->physt = (u8)GET_RX_STATUS_DESC_PHY_STATUS_92E(pdesc);//((le32_to_cpu(pdesc->rxdw0) >> 26) & 0x1);
pattrib->bdecrypted = !GET_RX_STATUS_DESC_SWDEC_92E(pdesc);//(le32_to_cpu(pdesc->rxdw0) & BIT(27))? 0:1;
//Offset 4
pattrib->priority = (u8)GET_RX_STATUS_DESC_TID_92E(pdesc);//((le32_to_cpu(pdesc->rxdw1) >> 8) & 0xf);
pattrib->mdata = (u8)GET_RX_STATUS_DESC_MORE_DATA_92E(pdesc);//((le32_to_cpu(pdesc->rxdw1) >> 26) & 0x1);
pattrib->mfrag = (u8)GET_RX_STATUS_DESC_MORE_FRAG_92E(pdesc);//((le32_to_cpu(pdesc->rxdw1) >> 27) & 0x1);//more fragment bit
//Offset 8
pattrib->seq_num = (u16)GET_RX_STATUS_DESC_SEQ_92E(pdesc);//(le32_to_cpu(pdesc->rxdw2) & 0x00000fff);
pattrib->frag_num = (u8)GET_RX_STATUS_DESC_FRAG_92E(pdesc);//((le32_to_cpu(pdesc->rxdw2) >> 12) & 0xf);//fragmentation number
if (GET_RX_STATUS_DESC_RPT_SEL_92E(pdesc))
pattrib->pkt_rpt_type = C2H_PACKET;
else
pattrib->pkt_rpt_type = NORMAL_RX;
//Offset 12
pattrib->data_rate=(u8)GET_RX_STATUS_DESC_RX_RATE_92E(pdesc);//((le32_to_cpu(pdesc->rxdw3))&0x7f);
//Offset 16
//Offset 20
}