From: Gregory Greenman <gregory.greenman@xxxxxxxxx>
A few slave bus devices show better performance when we
reduce the size of the Tx A-MPDU.
Signed-off-by: Gregory Greenman <gregory.greenman@xxxxxxxxx>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@xxxxxxxxx>
---
drivers/net/wireless/iwlwifi/iwl-config.h | 2 ++
drivers/net/wireless/iwlwifi/mvm/ops.c | 3 +++
2 files changed, 5 insertions(+)
diff --git a/drivers/net/wireless/iwlwifi/iwl-config.h b/drivers/net/wireless/iwlwifi/iwl-config.h
index 2ef83a3..76d363d 100644
--- a/drivers/net/wireless/iwlwifi/iwl-config.h
+++ b/drivers/net/wireless/iwlwifi/iwl-config.h
@@ -246,6 +246,7 @@ struct iwl_pwr_tx_backoff {
* @nvm_hw_section_num: the ID of the HW NVM section
* @pwr_tx_backoffs: translation table between power limits and backoffs
* @max_rx_agg_size: max RX aggregation size of the ADDBA request/response
+ * @max_tx_agg_size: max TX aggregation size of the ADDBA request/response
*
* We enable the driver to be backward compatible wrt. hardware features.
* API differences in uCode shouldn't be handled here but through TLVs
@@ -285,6 +286,7 @@ struct iwl_cfg {
const char *default_nvm_file;
unsigned int max_rx_agg_size;
bool disable_dummy_notification;
+ unsigned int max_tx_agg_size;
};
/*
diff --git a/drivers/net/wireless/iwlwifi/mvm/ops.c b/drivers/net/wireless/iwlwifi/mvm/ops.c
index 047d83d..91b28e8 100644
--- a/drivers/net/wireless/iwlwifi/mvm/ops.c
+++ b/drivers/net/wireless/iwlwifi/mvm/ops.c
@@ -403,6 +403,9 @@ iwl_op_mode_mvm_start(struct iwl_trans *trans, const struct iwl_cfg *cfg,
if (cfg->max_rx_agg_size)
hw->max_rx_aggregation_subframes = cfg->max_rx_agg_size;
+ if (cfg->max_tx_agg_size)
+ hw->max_tx_aggregation_subframes = cfg->max_tx_agg_size;
+
op_mode = hw->priv;
op_mode->ops = &iwl_mvm_ops;
--
1.9.1
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