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

/******************************************************************************
 *
 * Copyright(c) 2012 - 2017 Realtek Corporation.
 *
 * 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.
 *
 *****************************************************************************/
#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 */
	pattrib->sgi = (u8)GET_RX_STATUS_DESC_SPLCP_92E(pdesc);
	pattrib->ldpc = (u8)GET_RX_STATUS_DESC_LDPC_92E(pdesc);
	pattrib->stbc = (u8)GET_RX_STATUS_DESC_STBC_92E(pdesc);
	pattrib->bw = (u8)GET_RX_STATUS_DESC_BW_92E(pdesc);
	
	/* Offset 20 */

}