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rtl8188e_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 _RTL8188E_REDESC_C_
#include <osdep_service.h>
#include <drv_types.h>
#include <rtl8188e_hal.h>
static void process_rssi(struct adapter *padapter, union recv_frame *prframe)
{
struct rx_pkt_attrib *pattrib = &prframe->u.hdr.attrib;
struct signal_stat *signal_stat = &padapter->recvpriv.signal_strength_data;
if (signal_stat->update_req) {
signal_stat->total_num = 0;
signal_stat->total_val = 0;
signal_stat->update_req = 0;
}
signal_stat->total_num++;
signal_stat->total_val += pattrib->phy_info.SignalStrength;
signal_stat->avg_val = signal_stat->total_val / signal_stat->total_num;
} /* Process_UI_RSSI_8192C */
static void process_link_qual(struct adapter *padapter, union recv_frame *prframe)
{
struct rx_pkt_attrib *pattrib;
struct signal_stat *signal_stat;
if (prframe == NULL || padapter == NULL)
return;
pattrib = &prframe->u.hdr.attrib;
signal_stat = &padapter->recvpriv.signal_qual_data;
if (signal_stat->update_req) {
signal_stat->total_num = 0;
signal_stat->total_val = 0;
signal_stat->update_req = 0;
}
signal_stat->total_num++;
signal_stat->total_val += pattrib->phy_info.SignalQuality;
signal_stat->avg_val = signal_stat->total_val / signal_stat->total_num;
}
void rtl8188e_process_phy_info(struct adapter *padapter, void *prframe)
{
union recv_frame *precvframe = (union recv_frame *)prframe;
/* Check RSSI */
process_rssi(padapter, precvframe);
/* Check EVM */
process_link_qual(padapter, precvframe);
}
void update_recvframe_attrib_88e(union recv_frame *precvframe, struct recv_stat *prxstat)
{
struct rx_pkt_attrib *pattrib;
struct recv_stat report;
report.rxdw0 = prxstat->rxdw0;
report.rxdw1 = prxstat->rxdw1;
report.rxdw2 = prxstat->rxdw2;
report.rxdw3 = prxstat->rxdw3;
report.rxdw4 = prxstat->rxdw4;
report.rxdw5 = prxstat->rxdw5;
pattrib = &precvframe->u.hdr.attrib;
_rtw_memset(pattrib, 0, sizeof(struct rx_pkt_attrib));
pattrib->crc_err = (u8)((le32_to_cpu(report.rxdw0) >> 14) & 0x1);;/* u8)prxreport->crc32; */
/* update rx report to recv_frame attribute */
pattrib->pkt_rpt_type = (u8)((le32_to_cpu(report.rxdw3) >> 14) & 0x3);/* prxreport->rpt_sel; */
if (pattrib->pkt_rpt_type == NORMAL_RX) { /* Normal rx packet */
pattrib->pkt_len = (u16)(le32_to_cpu(report.rxdw0) & 0x00003fff);/* u16)prxreport->pktlen; */
pattrib->drvinfo_sz = (u8)((le32_to_cpu(report.rxdw0) >> 16) & 0xf) * 8;/* u8)(prxreport->drvinfosize << 3); */
pattrib->physt = (u8)((le32_to_cpu(report.rxdw0) >> 26) & 0x1);/* u8)prxreport->physt; */
pattrib->bdecrypted = (le32_to_cpu(report.rxdw0) & BIT(27)) ? 0 : 1;/* u8)(prxreport->swdec ? 0 : 1); */
pattrib->encrypt = (u8)((le32_to_cpu(report.rxdw0) >> 20) & 0x7);/* u8)prxreport->security; */
pattrib->qos = (u8)((le32_to_cpu(report.rxdw0) >> 23) & 0x1);/* u8)prxreport->qos; */
pattrib->priority = (u8)((le32_to_cpu(report.rxdw1) >> 8) & 0xf);/* u8)prxreport->tid; */
pattrib->amsdu = (u8)((le32_to_cpu(report.rxdw1) >> 13) & 0x1);/* u8)prxreport->amsdu; */
pattrib->seq_num = (u16)(le32_to_cpu(report.rxdw2) & 0x00000fff);/* u16)prxreport->seq; */
pattrib->frag_num = (u8)((le32_to_cpu(report.rxdw2) >> 12) & 0xf);/* u8)prxreport->frag; */
pattrib->mfrag = (u8)((le32_to_cpu(report.rxdw1) >> 27) & 0x1);/* u8)prxreport->mf; */
pattrib->mdata = (u8)((le32_to_cpu(report.rxdw1) >> 26) & 0x1);/* u8)prxreport->md; */
pattrib->mcs_rate = (u8)(le32_to_cpu(report.rxdw3) & 0x3f);/* u8)prxreport->rxmcs; */
pattrib->rxht = (u8)((le32_to_cpu(report.rxdw3) >> 6) & 0x1);/* u8)prxreport->rxht; */
pattrib->icv_err = (u8)((le32_to_cpu(report.rxdw0) >> 15) & 0x1);/* u8)prxreport->icverr; */
pattrib->shift_sz = (u8)((le32_to_cpu(report.rxdw0) >> 24) & 0x3);
} else if (pattrib->pkt_rpt_type == TX_REPORT1) { /* CCX */
pattrib->pkt_len = TX_RPT1_PKT_LEN;
pattrib->drvinfo_sz = 0;
} else if (pattrib->pkt_rpt_type == TX_REPORT2) { /* TX RPT */
pattrib->pkt_len = (u16)(le32_to_cpu(report.rxdw0) & 0x3FF);/* Rx length[9:0] */
pattrib->drvinfo_sz = 0;
/* */
/* Get TX report MAC ID valid. */
/* */
pattrib->MacIDValidEntry[0] = le32_to_cpu(report.rxdw4);
pattrib->MacIDValidEntry[1] = le32_to_cpu(report.rxdw5);
} else if (pattrib->pkt_rpt_type == HIS_REPORT) { /* USB HISR RPT */
pattrib->pkt_len = (u16)(le32_to_cpu(report.rxdw0) & 0x00003fff);/* u16)prxreport->pktlen; */
}
}
/*
* Notice:
* Before calling this function,
* precvframe->u.hdr.rx_data should be ready!
*/
void update_recvframe_phyinfo_88e(union recv_frame *precvframe, struct phy_stat *pphy_status)
{
struct adapter *padapter = precvframe->u.hdr.adapter;
struct rx_pkt_attrib *pattrib = &precvframe->u.hdr.attrib;
struct hal_data_8188e *pHalData = GET_HAL_DATA(padapter);
struct odm_phy_status_info *pPHYInfo = (struct odm_phy_status_info *)(&pattrib->phy_info);
u8 *wlanhdr;
struct odm_per_pkt_info pkt_info;
u8 *sa = NULL;
struct sta_priv *pstapriv;
struct sta_info *psta;
pkt_info.bPacketMatchBSSID = false;
pkt_info.bPacketToSelf = false;
pkt_info.bPacketBeacon = false;
wlanhdr = get_recvframe_data(precvframe);
pkt_info.bPacketMatchBSSID = ((!IsFrameTypeCtrl(wlanhdr)) &&
!pattrib->icv_err && !pattrib->crc_err &&
_rtw_memcmp(get_hdr_bssid(wlanhdr),
get_bssid(&padapter->mlmepriv), ETH_ALEN));
pkt_info.bPacketToSelf = pkt_info.bPacketMatchBSSID &&
(_rtw_memcmp(get_da(wlanhdr),
myid(&padapter->eeprompriv), ETH_ALEN));
pkt_info.bPacketBeacon = pkt_info.bPacketMatchBSSID &&
(GetFrameSubType(wlanhdr) == WIFI_BEACON);
if (pkt_info.bPacketBeacon) {
if (check_fwstate(&padapter->mlmepriv, WIFI_STATION_STATE))
sa = padapter->mlmepriv.cur_network.network.MacAddress;
/* to do Ad-hoc */
} else {
sa = get_sa(wlanhdr);
}
pstapriv = &padapter->stapriv;
pkt_info.StationID = 0xFF;
psta = rtw_get_stainfo(pstapriv, sa);
if (psta)
pkt_info.StationID = psta->mac_id;
pkt_info.Rate = pattrib->mcs_rate;
ODM_PhyStatusQuery(&pHalData->odmpriv, pPHYInfo, (u8 *)pphy_status, &(pkt_info));
precvframe->u.hdr.psta = NULL;
if (pkt_info.bPacketMatchBSSID &&
(check_fwstate(&padapter->mlmepriv, WIFI_AP_STATE))) {
if (psta) {
precvframe->u.hdr.psta = psta;
rtl8188e_process_phy_info(padapter, precvframe);
}
} else if (pkt_info.bPacketToSelf || pkt_info.bPacketBeacon) {
if (check_fwstate(&padapter->mlmepriv, WIFI_ADHOC_STATE|WIFI_ADHOC_MASTER_STATE)) {
if (psta)
precvframe->u.hdr.psta = psta;
}
rtl8188e_process_phy_info(padapter, precvframe);
}
}