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>

diff --git a/net/wireless/core.c b/net/wireless/core.c
index f280f48..ce1ad77 100644 (file)
--- 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 5d3167d..8c08578 100644 (file)
--- 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 4a88a39..eb5f897 100644 (file)
--- 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 857734c..0ca71ca 100644 (file)
--- 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              *
  *************************************************************/