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>

1 files changed, 27 insertions, 0 deletions

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)