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iwlwifi: mvm: support 22000 HW opening agg before traffic

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When trying to open aggregations on 22000 HW before
traffic had actually passed, the driver will discover
it is missing a queue to aggregate on. In such a case -
allocate a queue.

Signed-off-by: Liad Kaufman <liad.kaufman@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
This commit is contained in:
Liad Kaufman 2018-01-17 15:25:28 +02:00 committed by Luca Coelho
parent 4c625c564b
commit bd8f3fc613
1 changed files with 10 additions and 0 deletions
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10
drivers/net/wireless/intel/iwlwifi/mvm/sta.c
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@ -36,6 +36,7 @@
* Copyright(c) 2012 - 2015 Intel Corporation. All rights reserved.
* Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
* Copyright(c) 2016 - 2017 Intel Deutschland GmbH
* Copyright(c) 2018 Intel Corporation
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@ -2467,6 +2468,15 @@ int iwl_mvm_sta_tx_agg_start(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
lockdep_assert_held(&mvm->mutex);
if (mvmsta->tid_data[tid].txq_id == IWL_MVM_INVALID_QUEUE &&
iwl_mvm_has_new_tx_api(mvm)) {
u8 ac = tid_to_mac80211_ac[tid];
ret = iwl_mvm_sta_alloc_queue_tvqm(mvm, sta, ac, tid);
if (ret)
return ret;
}
spin_lock_bh(&mvmsta->lock);
/* possible race condition - we entered D0i3 while starting agg */