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carl9170: Implement tx_frames_pending mac80211 callback function

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Implementing this callback function will cause mac80211 refrain from
going to powersave state when there are still untransmitted TX frames
in the queues.

Signed-off-by: Christian Lamparter <chunkeey@googlemail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Christian Lamparter 2011-07-07 23:01:25 +02:00 committed by John W. Linville
parent cae561473e
commit 69f7235fe6
1 changed files with 8 additions and 0 deletions
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8
drivers/net/wireless/ath/carl9170/main.c
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@ -1484,6 +1484,13 @@ static void carl9170_op_sta_notify(struct ieee80211_hw *hw,
}
}
static bool carl9170_tx_frames_pending(struct ieee80211_hw *hw)
{
struct ar9170 *ar = hw->priv;
return !!atomic_read(&ar->tx_total_queued);
}
static const struct ieee80211_ops carl9170_ops = {
.start = carl9170_op_start,
.stop = carl9170_op_stop,
@ -1504,6 +1511,7 @@ static const struct ieee80211_ops carl9170_ops = {
.get_survey = carl9170_op_get_survey,
.get_stats = carl9170_op_get_stats,
.ampdu_action = carl9170_op_ampdu_action,
.tx_frames_pending = carl9170_tx_frames_pending,
};
void *carl9170_alloc(size_t priv_size)