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authorJohannes Berg <johannes.berg@intel.com>2012-10-23 15:16:50 +0200
committerJohannes Berg <johannes.berg@intel.com>2012-10-23 19:52:53 +0200
commiteeb126e9ee5d3b14913863fdd7d88fdbf158318f (patch)
tree1d6a4770ddd370866dfda11d5c17cb5d21d6b346
parent5d0d04e477c44993f995f35b728ce9dd57a4615e (diff)
cfg80211: add tracing for P2P Device start/stop
These were missed due to the tracing work having started on a kernel that didn't have P2P Device yet, implement them now. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
-rw-r--r--net/wireless/core.c4
-rw-r--r--net/wireless/nl80211.c4
-rw-r--r--net/wireless/rdev-ops.h18
-rw-r--r--net/wireless/trace.h10
4 files changed, 32 insertions, 4 deletions
diff --git a/net/wireless/core.c b/net/wireless/core.c
index f280f48fbd4..ce1ad776dfb 100644
--- a/net/wireless/core.c
+++ b/net/wireless/core.c
@@ -241,7 +241,7 @@ static int cfg80211_rfkill_set_block(void *data, bool blocked)
case NL80211_IFTYPE_P2P_DEVICE:
if (!wdev->p2p_started)
break;
- rdev->ops->stop_p2p_device(&rdev->wiphy, wdev);
+ rdev_stop_p2p_device(rdev, wdev);
wdev->p2p_started = false;
rdev->opencount--;
break;
@@ -774,7 +774,7 @@ void cfg80211_unregister_wdev(struct wireless_dev *wdev)
case NL80211_IFTYPE_P2P_DEVICE:
if (!wdev->p2p_started)
break;
- rdev->ops->stop_p2p_device(&rdev->wiphy, wdev);
+ rdev_stop_p2p_device(rdev, wdev);
wdev->p2p_started = false;
rdev->opencount--;
break;
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index 5d3167d71b5..8c0857815a9 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -6932,7 +6932,7 @@ static int nl80211_start_p2p_device(struct sk_buff *skb, struct genl_info *info)
if (err)
return err;
- err = rdev->ops->start_p2p_device(&rdev->wiphy, wdev);
+ err = rdev_start_p2p_device(rdev, wdev);
if (err)
return err;
@@ -6958,7 +6958,7 @@ static int nl80211_stop_p2p_device(struct sk_buff *skb, struct genl_info *info)
if (!wdev->p2p_started)
return 0;
- rdev->ops->stop_p2p_device(&rdev->wiphy, wdev);
+ rdev_stop_p2p_device(rdev, wdev);
wdev->p2p_started = false;
mutex_lock(&rdev->devlist_mtx);
diff --git a/net/wireless/rdev-ops.h b/net/wireless/rdev-ops.h
index 4a88a39b131..eb5f8974e14 100644
--- a/net/wireless/rdev-ops.h
+++ b/net/wireless/rdev-ops.h
@@ -858,4 +858,22 @@ static inline struct ieee80211_channel
return ret;
}
+static inline int rdev_start_p2p_device(struct cfg80211_registered_device *rdev,
+ struct wireless_dev *wdev)
+{
+ int ret;
+
+ trace_rdev_start_p2p_device(&rdev->wiphy, wdev);
+ ret = rdev->ops->start_p2p_device(&rdev->wiphy, wdev);
+ trace_rdev_return_int(&rdev->wiphy, ret);
+ return ret;
+}
+
+static inline void rdev_stop_p2p_device(struct cfg80211_registered_device *rdev,
+ struct wireless_dev *wdev)
+{
+ trace_rdev_stop_p2p_device(&rdev->wiphy, wdev);
+ rdev->ops->stop_p2p_device(&rdev->wiphy, wdev);
+ trace_rdev_return_void(&rdev->wiphy);
+}
#endif /* __CFG80211_RDEV_OPS */
diff --git a/net/wireless/trace.h b/net/wireless/trace.h
index 857734c4b35..0ca71caf85f 100644
--- a/net/wireless/trace.h
+++ b/net/wireless/trace.h
@@ -1741,6 +1741,16 @@ TRACE_EVENT(rdev_return_channel,
WIPHY_PR_ARG, CHAN_PR_ARG, __entry->type)
);
+DEFINE_EVENT(wiphy_wdev_evt, rdev_start_p2p_device,
+ TP_PROTO(struct wiphy *wiphy, struct wireless_dev *wdev),
+ TP_ARGS(wiphy, wdev)
+);
+
+DEFINE_EVENT(wiphy_wdev_evt, rdev_stop_p2p_device,
+ TP_PROTO(struct wiphy *wiphy, struct wireless_dev *wdev),
+ TP_ARGS(wiphy, wdev)
+);
+
/*************************************************************
* cfg80211 exported functions traces *
*************************************************************/