This is now implemented by mac80211 (commit below).
mac80211 will flush/drop the frames on the queues before
suspending / disconnecting.
It will then send the deauth and wait until the queues are
empty.
commit 3b24f4c65386dc0f2efb41027bc6e410ea2c0049
Author: Emmanuel Grumbach <emmanuel.grumbach@xxxxxxxxx>
Date: Wed Jan 7 15:42:39 2015 +0200
mac80211: let flush() drop packets when possible
This reverts commit 4e6c48e0984e28d064ee8fbc292aee7b7920c507.
---
drivers/net/wireless/iwlwifi/mvm/mac80211.c | 20 +++++++++++---------
1 file changed, 11 insertions(+), 9 deletions(-)
diff --git a/drivers/net/wireless/iwlwifi/mvm/mac80211.c b/drivers/net/wireless/iwlwifi/mvm/mac80211.c
index 2c79ad3..cef6f33 100644
--- a/drivers/net/wireless/iwlwifi/mvm/mac80211.c
+++ b/drivers/net/wireless/iwlwifi/mvm/mac80211.c
@@ -3565,16 +3565,18 @@ static void iwl_mvm_mac_flush(struct ieee80211_hw *hw,
msk |= mvmsta->tfd_queue_msk;
}
- msk &= ~BIT(vif->hw_queue[IEEE80211_AC_VO]);
-
- if (iwl_mvm_flush_tx_path(mvm, msk, true))
- IWL_ERR(mvm, "flush request fail\n");
- mutex_unlock(&mvm->mutex);
+ if (drop) {
+ if (iwl_mvm_flush_tx_path(mvm, msk, true))
+ IWL_ERR(mvm, "flush request fail\n");
+ mutex_unlock(&mvm->mutex);
+ } else {
+ mutex_unlock(&mvm->mutex);
- /* this can take a while, and we may need/want other operations
- * to succeed while doing this, so do it without the mutex held
- */
- iwl_trans_wait_tx_queue_empty(mvm->trans, msk);
+ /* this can take a while, and we may need/want other operations
+ * to succeed while doing this, so do it without the mutex held
+ */
+ iwl_trans_wait_tx_queue_empty(mvm->trans, msk);
+ }
}
const struct ieee80211_ops iwl_mvm_hw_ops = {
--
1.9.1
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