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mac80211: add tracing for ieee80211_sta_set_buffered

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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>
This commit is contained in:
Johannes Berg 2013-12-19 10:47:48 +01:00
parent 194ff52d42
commit 1b000789a4
2 changed files with 29 additions and 0 deletions
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2
net/mac80211/sta_info.c
View File

@ -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

27
net/mac80211/trace.h
View File

@ -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)