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iwlwifi: mvm: assign cab queue to the correct station

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Currently when configuring the cab queue the scheduler is configured
without station id - which results in station id 0.
In DQA mode this causes firmware to assert later on when the actual
station 0 is added with an empty tfd_queue_mask.
Fix that by configuring the queue to the broadcast station.
This is a bit trickier since the queue should not be included in the
tfd_queue_mask of the ADD_STA since it is a multicast queue, and the
tfd_queue_mask is only unicast queue. As a result the queue should be
enabled only after the broadcast station is added.

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 2016-10-06 16:42:32 +03:00 committed by Luca Coelho
parent 19c52f460f
commit 8236f7db27
2 changed files with 23 additions and 9 deletions
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16
drivers/net/wireless/intel/iwlwifi/mvm/mac-ctxt.c
View File

@ -499,23 +499,21 @@ int iwl_mvm_mac_ctxt_init(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
if (ret)
return ret;
/* If DQA is supported - queues will be enabled when needed */
if (iwl_mvm_is_dqa_supported(mvm))
return 0;
switch (vif->type) {
case NL80211_IFTYPE_P2P_DEVICE:
if (!iwl_mvm_is_dqa_supported(mvm))
iwl_mvm_enable_ac_txq(mvm, IWL_MVM_OFFCHANNEL_QUEUE,
IWL_MVM_OFFCHANNEL_QUEUE,
IWL_MVM_TX_FIFO_VO, 0,
wdg_timeout);
iwl_mvm_enable_ac_txq(mvm, IWL_MVM_OFFCHANNEL_QUEUE,
IWL_MVM_OFFCHANNEL_QUEUE,
IWL_MVM_TX_FIFO_VO, 0, wdg_timeout);
break;
case NL80211_IFTYPE_AP:
iwl_mvm_enable_ac_txq(mvm, vif->cab_queue, vif->cab_queue,
IWL_MVM_TX_FIFO_MCAST, 0, wdg_timeout);
/* fall through */
default:
/* If DQA is supported - queues will be enabled when needed */
if (iwl_mvm_is_dqa_supported(mvm))
break;
for (ac = 0; ac < IEEE80211_NUM_ACS; ac++)
iwl_mvm_enable_ac_txq(mvm, vif->hw_queue[ac],
vif->hw_queue[ac],

16
drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c
View File

@ -2099,6 +2099,22 @@ static int iwl_mvm_start_ap_ibss(struct ieee80211_hw *hw,
if (ret)
goto out_unbind;
/* enable the multicast queue, now that we have a station for it */
if (iwl_mvm_is_dqa_supported(mvm)) {
unsigned int wdg_timeout =
iwl_mvm_get_wd_timeout(mvm, vif, false, false);
struct iwl_trans_txq_scd_cfg cfg = {
.fifo = IWL_MVM_TX_FIFO_MCAST,
.sta_id = mvmvif->bcast_sta.sta_id,
.tid = IWL_MAX_TID_COUNT,
.aggregate = false,
.frame_limit = IWL_FRAME_LIMIT,
};
iwl_mvm_enable_txq(mvm, vif->cab_queue, vif->cab_queue, 0,
&cfg, wdg_timeout);
}
/* must be set before quota calculations */
mvmvif->ap_ibss_active = true;