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authorJohannes Berg <johannes.berg@intel.com>2013-12-19 13:47:48 +0400
committerJohannes Berg <johannes.berg@intel.com>2014-01-06 15:09:01 +0400
commit1b000789a4fe5f2013cc120a97d8c9b9c57b5431 (patch)
tree6cab41b0d3ef051ab49cb4a51361572ec8f95a5a /net/mac80211
parent194ff52d42fd0b55fe0fcfbf4586ae9d7ab1f780 (diff)
downloadlinux-1b000789a4fe5f2013cc120a97d8c9b9c57b5431.tar.xz
mac80211: add tracing for ieee80211_sta_set_buffered
This is useful for debugging issues with drivers using this function (erroneously), so add tracing for the API call. Change-Id: Ice9d7eabb8fecbac188f0a741920d3488de700ec Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net/mac80211')
-rw-r--r--net/mac80211/sta_info.c2
-rw-r--r--net/mac80211/trace.h27
2 files changed, 29 insertions, 0 deletions
diff --git a/net/mac80211/sta_info.c b/net/mac80211/sta_info.c
index 4576ba0ff221..8da3af2c6b61 100644
--- a/net/mac80211/sta_info.c
+++ b/net/mac80211/sta_info.c
@@ -1485,6 +1485,8 @@ void ieee80211_sta_set_buffered(struct ieee80211_sta *pubsta,
if (WARN_ON(tid >= IEEE80211_NUM_TIDS))
return;
+ trace_api_sta_set_buffered(sta->local, pubsta, tid, buffered);
+
if (buffered)
set_bit(tid, &sta->driver_buffered_tids);
else
diff --git a/net/mac80211/trace.h b/net/mac80211/trace.h
index da9366632f37..a0b0aea76525 100644
--- a/net/mac80211/trace.h
+++ b/net/mac80211/trace.h
@@ -1835,6 +1835,33 @@ TRACE_EVENT(api_eosp,
)
);
+TRACE_EVENT(api_sta_set_buffered,
+ TP_PROTO(struct ieee80211_local *local,
+ struct ieee80211_sta *sta,
+ u8 tid, bool buffered),
+
+ TP_ARGS(local, sta, tid, buffered),
+
+ TP_STRUCT__entry(
+ LOCAL_ENTRY
+ STA_ENTRY
+ __field(u8, tid)
+ __field(bool, buffered)
+ ),
+
+ TP_fast_assign(
+ LOCAL_ASSIGN;
+ STA_ASSIGN;
+ __entry->tid = tid;
+ __entry->buffered = buffered;
+ ),
+
+ TP_printk(
+ LOCAL_PR_FMT STA_PR_FMT " tid:%d buffered:%d",
+ LOCAL_PR_ARG, STA_PR_ARG, __entry->tid, __entry->buffered
+ )
+);
+
/*
* Tracing for internal functions
* (which may also be called in response to driver calls)