From: John W. Linville <linville@tuxdriver.com>
Date: Tue, 29 Jun 2010 18:51:23 +0000 (-0400)
Subject: mac80211: add basic tracing to drv_get_survey
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=c466d4efb86bb5aa327d6e43f62781a9faabfdae;p=linux-beck.git

mac80211: add basic tracing to drv_get_survey

Reported-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---

diff --git a/net/mac80211/driver-ops.h b/net/mac80211/driver-ops.h
index c33317320eee..14123dce544b 100644
--- a/net/mac80211/driver-ops.h
+++ b/net/mac80211/driver-ops.h
@@ -375,9 +375,14 @@ static inline int drv_get_survey(struct ieee80211_local *local, int idx,
 				struct survey_info *survey)
 {
 	int ret = -EOPNOTSUPP;
+
+	trace_drv_get_survey(local, idx, survey);
+
 	if (local->ops->get_survey)
 		ret = local->ops->get_survey(&local->hw, idx, survey);
-	/* trace_drv_get_survey(local, idx, survey, ret); */
+
+	trace_drv_return_int(local, ret);
+
 	return ret;
 }
 
diff --git a/net/mac80211/driver-trace.h b/net/mac80211/driver-trace.h
index 8da31caff931..5d5d2a974668 100644
--- a/net/mac80211/driver-trace.h
+++ b/net/mac80211/driver-trace.h
@@ -761,6 +761,28 @@ TRACE_EVENT(drv_ampdu_action,
 	)
 );
 
+TRACE_EVENT(drv_get_survey,
+	TP_PROTO(struct ieee80211_local *local, int idx,
+		 struct survey_info *survey),
+
+	TP_ARGS(local, idx, survey),
+
+	TP_STRUCT__entry(
+		LOCAL_ENTRY
+		__field(int, idx)
+	),
+
+	TP_fast_assign(
+		LOCAL_ASSIGN;
+		__entry->idx = idx;
+	),
+
+	TP_printk(
+		LOCAL_PR_FMT " idx:%d",
+		LOCAL_PR_ARG, __entry->idx
+	)
+);
+
 TRACE_EVENT(drv_flush,
 	TP_PROTO(struct ieee80211_local *local, bool drop),