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iwlwifi: mvm: add missing implementation of flush for a000 devices 

In the mac flush flow, we should flush all existing queues.
Since FW API for a000 devices is flush per RA-TID, simply
flush all stations with all tids.
From FW perspective, asking to flush a TID that doesn't have
a queue is valid, so we can just set all bits in the TID mask.

Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
This commit is contained in:
Sara Sharon 2017-09-12 10:52:53 +03:00 committed by Luca Coelho
parent 435d0827fe
commit 06195639c6
1 changed files with 9 additions and 13 deletions
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22
drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c
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@ -4004,19 +4004,12 @@ static void iwl_mvm_flush_no_vif(struct iwl_mvm *mvm, u32 queues, bool drop)
{
int i;
if (drop) {
if (iwl_mvm_has_new_tx_api(mvm))
/* TODO new tx api */
WARN_ONCE(1,
"Need to implement flush TX queue\n");
else
if (!iwl_mvm_has_new_tx_api(mvm)) {
if (drop)
iwl_mvm_flush_tx_path(mvm,
iwl_mvm_flushable_queues(mvm) & queues, 0);
return;
}
if (!iwl_mvm_has_new_tx_api(mvm)) {
iwl_trans_wait_tx_queues_empty(mvm->trans, queues);
else
iwl_trans_wait_tx_queues_empty(mvm->trans, queues);
return;
}
@ -4029,8 +4022,11 @@ static void iwl_mvm_flush_no_vif(struct iwl_mvm *mvm, u32 queues, bool drop)
if (IS_ERR_OR_NULL(sta))
continue;
iwl_mvm_wait_sta_queues_empty(mvm,
iwl_mvm_sta_from_mac80211(sta));
if (drop)
iwl_mvm_flush_sta_tids(mvm, i, 0xFF, 0);
else
iwl_mvm_wait_sta_queues_empty(mvm,
iwl_mvm_sta_from_mac80211(sta));
}
mutex_unlock(&mvm->mutex);
}