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authorMatti Gottlieb <matti.gottlieb@intel.com>2013-11-18 19:06:45 +0200
committerJohannes Berg <johannes.berg@intel.com>2013-12-02 11:51:50 +0100
commitad38bfc916da6aee9160bfa5335aed8d6c190e39 (patch)
treebc00170187f5e2036a8c804f546c32d94bdee349 /net/mac80211/main.c
parent1d940aaab881b0ee62557ffbaad877ac5a1b51db (diff)
downloadlinux-ad38bfc916da6aee9160bfa5335aed8d6c190e39.tar.bz2
mac80211: Tx frame latency statistics
Measure TX latency and jitter statistics per station per TID. These Measurements are disabled by default and can be enabled via debugfs. Features included for each station's TID: 1. Keep count of the maximum and average latency of Tx frames. 2. Keep track of many frames arrived in a specific time range (need to enable through debugfs and configure the bins ranges) Signed-off-by: Matti Gottlieb <matti.gottlieb@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net/mac80211/main.c')
-rw-r--r--net/mac80211/main.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/net/mac80211/main.c b/net/mac80211/main.c
index bdb0b6c104b5..8af75f0eed6d 100644
--- a/net/mac80211/main.c
+++ b/net/mac80211/main.c
@@ -1142,6 +1142,8 @@ void ieee80211_free_hw(struct ieee80211_hw *hw)
ieee80211_free_ack_frame, NULL);
idr_destroy(&local->ack_status_frames);
+ kfree(rcu_access_pointer(local->tx_latency));
+
wiphy_free(local->hw.wiphy);
}
EXPORT_SYMBOL(ieee80211_free_hw);