mac80211: enhance tracing

Enhance tracing by adding tracing for a variety of
callbacks that the drivers call, and also for
internal calls (currently limited to queue status).
This can aid debugging what is going on in mac80211
in interaction with drivers, since we can now see
what drivers call and not just what mac80211 calls
in the driver.

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

1 files changed, 2 insertions, 0 deletions

diff --git a/net/mac80211/main.c b/net/mac80211/main.c
index b887e484ae04..4afe851cf8dc 100644
--- a/net/mac80211/main.c
+++ b/net/mac80211/main.c
@@ -309,6 +309,8 @@ void ieee80211_restart_hw(struct ieee80211_hw *hw)
 {
         struct ieee80211_local *local = hw_to_local(hw);
 
+        trace_api_restart_hw(local);
+
         /* use this reason, __ieee80211_resume will unblock it */
         ieee80211_stop_queues_by_reason(hw,
                 IEEE80211_QUEUE_STOP_REASON_SUSPEND);