mac80211: update to version 2015-06-22

[openwrt/staging/chunkeey.git] / package / kernel / mac80211 / patches / 303-ath9k-DFS-consider-ext_channel-pulses-only-in-HT40-m.patch

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 (file)
index 0000000..07f5e3b
--- /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);
+       }