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| author | Johannes Berg <johannes.berg@intel.com> | 2013-12-19 13:47:48 +0400 |
|---|---|---|
| committer | Johannes Berg <johannes.berg@intel.com> | 2014-01-06 15:09:01 +0400 |
| commit | 1b000789a4fe5f2013cc120a97d8c9b9c57b5431 (patch) | |
| tree | 6cab41b0d3ef051ab49cb4a51361572ec8f95a5a | |
| parent | 194ff52d42fd0b55fe0fcfbf4586ae9d7ab1f780 (diff) | |
| download | linux-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>
| -rw-r--r-- | net/mac80211/sta_info.c | 2 | ||||
| -rw-r--r-- | net/mac80211/trace.h | 27 |
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) |