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iwlwifi: mvm: use shorter queues for mgmt and auxilary queues

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In 22000 devices, aka gen2, the TFS is 256 bytes.
In order to save memory, use shorter TX queue for aux and
mgmt queues, since there isn't much traffic on them.

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
2018-01-04 14:06:07 +02:00
committed by Luca Coelho
parent 3cfb6de73d
commit 251985c928
2 changed files with 6 additions and 4 deletions
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1
drivers/net/wireless/intel/iwlwifi/fw/api/txq.h
View File

@@ -132,6 +132,7 @@ enum iwl_tx_queue_cfg_actions {
};
#define IWL_DEFAULT_QUEUE_SIZE 256
#define IWL_MGMT_QUEUE_SIZE 16
/**
* struct iwl_tx_queue_cfg_cmd - txq hw scheduler config command
* @sta_id: station id

9
drivers/net/wireless/intel/iwlwifi/mvm/utils.c
View File

@@ -728,13 +728,14 @@ int iwl_mvm_tvqm_enable_txq(struct iwl_mvm *mvm, int mac80211_queue,
.sta_id = sta_id,
.tid = tid,
};
int queue;
int queue, size = IWL_DEFAULT_QUEUE_SIZE;
if (cmd.tid == IWL_MAX_TID_COUNT)
if (cmd.tid == IWL_MAX_TID_COUNT) {
cmd.tid = IWL_MGMT_TID;
size = IWL_MGMT_QUEUE_SIZE;
}
queue = iwl_trans_txq_alloc(mvm->trans, (void *)&cmd,
SCD_QUEUE_CFG, IWL_DEFAULT_QUEUE_SIZE,
timeout);
SCD_QUEUE_CFG, size, timeout);
if (queue < 0) {
IWL_DEBUG_TX_QUEUES(mvm,