A-Team_Digital_Solutions/android_kernel_motorola_sm6375
Watch
2
0
Fork
You've already forked android_kernel_motorola_sm6375
 0
mirror of https://github.com/BobTheBlinker/android_kernel_motorola_sm6375.git synced 2026-10-10 22:40:54 -04:00
Code Issues Projects Releases Packages Wiki Activity

qcacld-3.0: SAP DFS: Fix RSSI issue in extension80 segment

Browse source 
RSSI_COMB is not reliable indicator of RSSI for extension80
when operating in 80p80 non-contiguous mode due to existing
hardware bug.

Add workaround in software to use pulse_rssi instead of RSSI_COMB.

Change-Id: I89c829ecefca2dcc75bb494943c98bdb77470de6
CRs-Fixed: 1043760
This commit is contained in:
Arif Hussain 2016-07-20 17:21:09 -07:00 • committed by Vishwajith Upendra
commit 8bdf4bcc05
2 changed files with 27 additions and 7 deletions
Download patch file Download diff file Expand all files Collapse all files

13
core/sap/dfs/src/dfs_phyerr_tlv.c
View file

@ -889,6 +889,19 @@ dfs_process_phyerr_bb_tlv(struct ath_dfs *dfs, void *buf, uint16_t datalen,
rs.radar_fft_ext80_inband_power;
e->rsu_version = rs.rsu_version;
e->peak_mag = rsfr.peak_mag;
/*
* RSSI_COMB is not reliable indicator of RSSI
* for extension80 when operating in 80p80
* non-contiguous mode due to existing hardware
* bug. Added workaround in software to use
* pulse_rssi instead of RSSI_COMB.
*/
if ((dfs->ic->ic_curchan->ic_flags &
IEEE80211_CHAN_VHT80P80) &&
(rs.radar_80p80_segid == DFS_80P80_SEG1))
e->rssi = rs.pulse_rssi;
}
/*
* XXX TODO: add a "chirp detection enabled" capability or config

21
core/sap/dfs/src/dfs_process_phyerr.c
View file

@ -812,13 +812,20 @@ dfs_process_phyerr(struct ieee80211com *ic, void *buf, uint16_t datalen,
rn_minrssithresh);
return;
}
} else {
if (e.rssi < dfs->dfs_rinfo.rn_minrssithresh ||
e.dur > dfs->dfs_rinfo.rn_maxpulsedur) {
/* XXX TODO add a debug statement? */
dfs->ath_dfs_stats.rssi_discards++;
return;
}
} else if (e.rssi < dfs->dfs_rinfo.rn_minrssithresh ||
e.dur > dfs->dfs_rinfo.rn_maxpulsedur) {
QDF_TRACE(QDF_MODULE_ID_SAP,
QDF_TRACE_LEVEL_INFO,
"%s [%d] : Rejecting: dur = %d \
maxpulsedur = %d, rssi = %d \
minrssithresh = %d", __func__, __LINE__,
e.dur, dfs->dfs_rinfo.rn_maxpulsedur,
e.rssi,
dfs->dfs_rinfo.rn_minrssithresh);
dfs->ath_dfs_stats.rssi_discards++;
return;
}
/*