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mac80211: add functions to stop and wake all queues assigned to a vif

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In some cases we may want to stop the queues of a single vif (for
instance during a channel-switch).  Add a function that stops all the
queues that are assigned to a vif.  If a queue is assigned to more
than one vif, the corresponding netdev subqueue of the other vif(s)
will also be stopped.  If the HW doesn't set the
IEEE80211_HW_QUEUE_CONTROL flag, then all queues are stopped.

Also add a corresponding function to wake the queues of a vif back.

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 16:30:06 +03:00
committed by Johannes Berg
parent cca07b00a5
commit 26da23b695
2 changed files with 41 additions and 6 deletions
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6
net/mac80211/ieee80211_i.h
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@@ -1720,6 +1720,12 @@ void ieee80211_wake_queues_by_reason(struct ieee80211_hw *hw,
unsigned long queues,
enum queue_stop_reason reason,
bool refcounted);
void ieee80211_stop_vif_queues(struct ieee80211_local *local,
struct ieee80211_sub_if_data *sdata,
enum queue_stop_reason reason);
void ieee80211_wake_vif_queues(struct ieee80211_local *local,
struct ieee80211_sub_if_data *sdata,
enum queue_stop_reason reason);
void ieee80211_stop_queues_by_reason(struct ieee80211_hw *hw,
unsigned long queues,
enum queue_stop_reason reason,