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iwlwifi: mvm: drop low_latency_agg_frame_cnt_limit 

This was an old workaround for solving latency issues with
certain Miracast adapters like ActionTec. However this isn't
needed anymore and furthermore it hurts throughput in other
use cases.

Signed-off-by: Eyal Shapira <eyalx.shapira@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
This commit is contained in:
Eyal Shapira 2015-10-22 13:10:36 +03:00 committed by Emmanuel Grumbach
parent 566f165d28
commit 1412ee39af
4 changed files with 1 additions and 14 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c
View File

@ -1491,10 +1491,6 @@ int iwl_mvm_dbgfs_register(struct iwl_mvm *mvm, struct dentry *dbgfs_dir)
goto err;
#endif
if (!debugfs_create_u8("low_latency_agg_frame_limit", S_IRUSR | S_IWUSR,
mvm->debugfs_dir,
&mvm->low_latency_agg_frame_limit))
goto err;
if (!debugfs_create_u8("ps_disabled", S_IRUSR,
mvm->debugfs_dir, &mvm->ps_disabled))
goto err;

2
drivers/net/wireless/intel/iwlwifi/mvm/mvm.h
View File

@ -813,8 +813,6 @@ struct iwl_mvm {
bool lar_regdom_set;
enum iwl_mcc_source mcc_src;
u8 low_latency_agg_frame_limit;
/* TDLS channel switch data */
struct {
struct delayed_work dwork;

1
drivers/net/wireless/intel/iwlwifi/mvm/ops.c
View File

@ -452,7 +452,6 @@ iwl_op_mode_mvm_start(struct iwl_trans *trans, const struct iwl_cfg *cfg,
mvm->first_agg_queue = 12;
}
mvm->sf_state = SF_UNINIT;
mvm->low_latency_agg_frame_limit = 6;
mvm->cur_ucode = IWL_UCODE_INIT;
mutex_init(&mvm->mutex);

8
drivers/net/wireless/intel/iwlwifi/mvm/rs.c
View File

@ -3454,15 +3454,9 @@ static void rs_fill_lq_cmd(struct iwl_mvm *mvm,
* Tx Fifo so that it can start a transaction in the same TxOP. This
* basically allows the firmware to send bursts.
*/
if (iwl_mvm_vif_low_latency(mvmvif)) {
if (iwl_mvm_vif_low_latency(mvmvif))
lq_cmd->agg_frame_cnt_limit--;
if (mvm->low_latency_agg_frame_limit)
lq_cmd->agg_frame_cnt_limit =
min(lq_cmd->agg_frame_cnt_limit,
mvm->low_latency_agg_frame_limit);
}
if (mvmsta->vif->p2p)
lq_cmd->flags |= LQ_FLAG_USE_RTS_MSK;