diff mbox

ath9k: non-functional: calculate DFS pulse interval per-wiphy

Message ID 1399641582-17367-1-git-send-email-zefir.kurtisi@neratec.com (mailing list archive)
State Not Applicable, archived
Headers show

Commit Message

Zefir Kurtisi May 9, 2014, 1:19 p.m. UTC
Systems with multiple DFS channel detectors need to track
timestamp of previous pulse per instance to display the
correct pulse interval.

Since the interval value is used for debug printing only,
this is a non-functional modification.

Signed-off-by: Zefir Kurtisi <zefir.kurtisi@neratec.com>
---
 drivers/net/wireless/ath/ath9k/dfs.c       | 6 +++---
 drivers/net/wireless/ath/ath9k/dfs_debug.h | 1 +
 2 files changed, 4 insertions(+), 3 deletions(-)
diff mbox

Patch

diff --git a/drivers/net/wireless/ath/ath9k/dfs.c b/drivers/net/wireless/ath/ath9k/dfs.c
index 857bb28..5049bec 100644
--- a/drivers/net/wireless/ath/ath9k/dfs.c
+++ b/drivers/net/wireless/ath/ath9k/dfs.c
@@ -178,12 +178,12 @@  void ath9k_dfs_process_phyerr(struct ath_softc *sc, void *data,
 	pe.ts = mactime;
 	if (ath9k_postprocess_radar_event(sc, &ard, &pe)) {
 		struct dfs_pattern_detector *pd = sc->dfs_detector;
-		static u64 last_ts;
 		ath_dbg(common, DFS,
 			"ath9k_dfs_process_phyerr: channel=%d, ts=%llu, "
 			"width=%d, rssi=%d, delta_ts=%llu\n",
-			pe.freq, pe.ts, pe.width, pe.rssi, pe.ts-last_ts);
-		last_ts = pe.ts;
+			pe.freq, pe.ts, pe.width, pe.rssi,
+			pe.ts - sc->debug.stats.dfs_stats.last_ts);
+		sc->debug.stats.dfs_stats.last_ts = pe.ts;
 		DFS_STAT_INC(sc, pulses_processed);
 		if (pd != NULL && pd->add_pulse(pd, &pe)) {
 			DFS_STAT_INC(sc, radar_detected);
diff --git a/drivers/net/wireless/ath/ath9k/dfs_debug.h b/drivers/net/wireless/ath/ath9k/dfs_debug.h
index 7936c91..d948686 100644
--- a/drivers/net/wireless/ath/ath9k/dfs_debug.h
+++ b/drivers/net/wireless/ath/ath9k/dfs_debug.h
@@ -51,6 +51,7 @@  struct ath_dfs_stats {
 	/* pattern detection stats */
 	u32 pulses_processed;
 	u32 radar_detected;
+	u64 last_ts;
 };
 
 #if defined(CONFIG_ATH9K_DFS_DEBUGFS)