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authorSara Sharon <sara.sharon@intel.com>2016-02-18 12:21:12 (GMT)
committerLuca Coelho <luciano.coelho@intel.com>2016-05-10 19:14:39 (GMT)
commit0636b938214c90c3a7d145ad86b64a061bb10c50 (patch)
treeea2d1714050c6405dc257869b62ead904e822906 /drivers/net/wireless/intel/iwlwifi/mvm/ops.c
parente5ed17929bf4177c523465af187ab70c9a454caa (diff)
downloadlinux-0636b938214c90c3a7d145ad86b64a061bb10c50.tar.xz
iwlwifi: mvm: implement driver RX queues sync command
mac80211 will call the driver whenever there is a race between RSS queues and control path that requires a processing of all pending frames in RSS queues. Implement that by utilizing the internal notification mechanism: queue a message to all queues. When the message is received on a queue it decrements the atomic counter. This guarantees that all pending frames in the RX queue were processed since the message is in order inside the queue. Signed-off-by: Sara Sharon <sara.sharon@intel.com> Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/mvm/ops.c')
-rw-r--r--drivers/net/wireless/intel/iwlwifi/mvm/ops.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/ops.c b/drivers/net/wireless/intel/iwlwifi/mvm/ops.c
index 8bfb8e0..7c6a598 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/ops.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/ops.c
@@ -586,6 +586,8 @@ iwl_op_mode_mvm_start(struct iwl_trans *trans, const struct iwl_cfg *cfg,
skb_queue_head_init(&mvm->d0i3_tx);
init_waitqueue_head(&mvm->d0i3_exit_waitq);
+ atomic_set(&mvm->queue_sync_counter, 0);
+
SET_IEEE80211_DEV(mvm->hw, mvm->trans->dev);
/*