diff options
Diffstat (limited to 'package/kernel/mac80211/patches/303-ath9k-DFS-consider-ext_channel-pulses-only-in-HT40-m.patch')
| -rw-r--r-- | package/kernel/mac80211/patches/303-ath9k-DFS-consider-ext_channel-pulses-only-in-HT40-m.patch | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/package/kernel/mac80211/patches/303-ath9k-DFS-consider-ext_channel-pulses-only-in-HT40-m.patch b/package/kernel/mac80211/patches/303-ath9k-DFS-consider-ext_channel-pulses-only-in-HT40-m.patch new file mode 100644 index 0000000000..07f5e3bc36 --- /dev/null +++ b/package/kernel/mac80211/patches/303-ath9k-DFS-consider-ext_channel-pulses-only-in-HT40-m.patch @@ -0,0 +1,25 @@ +From: Zefir Kurtisi <zefir.kurtisi@neratec.com> +Date: Tue, 16 Jun 2015 11:46:42 +0200 +Subject: [PATCH] ath9k: DFS - consider ext_channel pulses only in HT40 + mode + +The chip reports radar pulses on extension channel +even if operating in HT20 mode. This patch adds a +sanity check for HT40 mode before it feeds pulses +on extension channel to the pattern detector. + +Signed-off-by: Zefir Kurtisi <zefir.kurtisi@neratec.com> +--- + +--- a/drivers/net/wireless/ath/ath9k/dfs.c ++++ b/drivers/net/wireless/ath/ath9k/dfs.c +@@ -198,7 +198,8 @@ void ath9k_dfs_process_phyerr(struct ath + sc->dfs_prev_pulse_ts = pe.ts; + if (ard.pulse_bw_info & PRI_CH_RADAR_FOUND) + ath9k_dfs_process_radar_pulse(sc, &pe); +- if (ard.pulse_bw_info & EXT_CH_RADAR_FOUND) { ++ if (IS_CHAN_HT40(ah->curchan) && ++ ard.pulse_bw_info & EXT_CH_RADAR_FOUND) { + pe.freq += IS_CHAN_HT40PLUS(ah->curchan) ? 20 : -20; + ath9k_dfs_process_radar_pulse(sc, &pe); + } |