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Fix FCS on 8811

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Issue also exist on 8811cu as described and fixed for 8812au at
https://github.com/aircrack-ng/rtl8812au/issues/28
This commit is contained in:
Paul B 2020-01-14 08:31:07 +02:00
parent 8d20f83180
commit 9cd07d6b07
2 changed files with 12 additions and 2 deletions
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11
core/rtw_recv.c
View File

@ -3993,8 +3993,17 @@ static sint fill_radiotap_hdr(_adapter *padapter, union recv_frame *precvframe,
hdr_buf[rt_len] |= IEEE80211_RADIOTAP_F_FRAG;
/* always append FCS */
hdr_buf[rt_len] |= IEEE80211_RADIOTAP_F_FCS;
//hdr_buf[rt_len] |= IEEE80211_RADIOTAP_F_FCS;
#ifdef CONFIG_RX_PACKET_APPEND_FCS
// Start by always indicating FCS is there:
hdr_buf[rt_len] |= IEEE80211_RADIOTAP_F_FCS;
// Next, test for prior conditions that will remove FCS, and update flag accordingly:
if(check_fwstate(&padapter->mlmepriv,WIFI_MONITOR_STATE) == _FALSE)
if((pattrib->pkt_rpt_type == NORMAL_RX) && (pHalData->ReceiveConfig & RCR_APPFCS))
hdr_buf[rt_len] &= ~IEEE80211_RADIOTAP_F_FCS;
#endif
if (0)
hdr_buf[rt_len] |= IEEE80211_RADIOTAP_F_DATAPAD;

3
hal/rtl8821c/usb/rtl8821cu_recv.c
View File

@ -38,7 +38,8 @@ static u8 recvbuf2recvframe_proccess_normal_rx
#ifdef CONFIG_RX_PACKET_APPEND_FCS
if (check_fwstate(&padapter->mlmepriv, WIFI_MONITOR_STATE) == _FALSE) {
if (rtl8821c_rx_fcs_appended(padapter))
//if (rtl8821c_rx_fcs_appended(padapter))
if ((pattrib->pkt_rpt_type == NORMAL_RX) && (pHalData->ReceiveConfig & RCR_APPFCS))
pattrib->pkt_len -= IEEE80211_FCS_LEN;
}
#endif