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mac80211: introduce refcount for queue_stop_reasons

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Sometimes different vifs may be stopping the queues for the same
reason (e.g. when several interfaces are performing a channel switch).
Instead of using a bitmask for the reasons, use an integer that holds
a refcount instead.  In order to keep it backwards compatible,
introduce a boolean in some functions that tell us whether the queue
stopping should be refcounted or not.  For now, use not refcounted for
all calls to keep it functionally the same as before.

Signed-off-by: Luciano Coelho <luciano.coelho@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Luciano Coelho
2014-06-13 16:30:05 +03:00
committed by Johannes Berg
parent 59f48fe22f
commit cca07b00a5
10 changed files with 98 additions and 46 deletions
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3
net/mac80211/main.c
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@@ -272,7 +272,8 @@ void ieee80211_restart_hw(struct ieee80211_hw *hw)
/* use this reason, ieee80211_reconfig will unblock it */
ieee80211_stop_queues_by_reason(hw, IEEE80211_MAX_QUEUE_MAP,
IEEE80211_QUEUE_STOP_REASON_SUSPEND);
IEEE80211_QUEUE_STOP_REASON_SUSPEND,
false);
/*
* Stop all Rx during the reconfig. We don't want state changes