By default, aggregation time limit is 4000 uSec, add the parameter to
.cfg
to allow this parameter can be configure per device base if needed.
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@xxxxxxxxx>
---
drivers/net/wireless/iwlwifi/iwl-agn-rs.c | 10 ++++++++++
drivers/net/wireless/iwlwifi/iwl-commands.h | 6 ++++--
drivers/net/wireless/iwlwifi/iwl-core.h | 2 ++
3 files changed, 16 insertions(+), 2 deletions(-)
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-rs.c b/drivers/net/wireless/iwlwifi/iwl-agn-rs.c
index 23e5c42..7c4deee 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn-rs.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn-rs.c
@@ -2694,8 +2694,18 @@ static void rs_fill_link_cmd(struct iwl_priv *priv,
lq_cmd->agg_params.agg_frame_cnt_limit = LINK_QUAL_AGG_FRAME_LIMIT_DEF;
lq_cmd->agg_params.agg_dis_start_th = LINK_QUAL_AGG_DISABLE_START_DEF;
+
lq_cmd->agg_params.agg_time_limit =
cpu_to_le16(LINK_QUAL_AGG_TIME_LIMIT_DEF);
+ /*
+ * overwrite if needed, pass aggregation time limit
+ * to uCode in uSec
+ */
+ if (priv && priv->cfg->agg_time_limit &&
+ priv->cfg->agg_time_limit >= LINK_QUAL_AGG_TIME_LIMIT_MIN &&
+ priv->cfg->agg_time_limit <= LINK_QUAL_AGG_TIME_LIMIT_MAX)
+ lq_cmd->agg_params.agg_time_limit =
+ cpu_to_le16(priv->cfg->agg_time_limit);
}
static void *rs_alloc(struct ieee80211_hw *hw, struct dentry *debugfsdir)
diff --git a/drivers/net/wireless/iwlwifi/iwl-commands.h b/drivers/net/wireless/iwlwifi/iwl-commands.h
index c6a0470..14a7a8c 100644
--- a/drivers/net/wireless/iwlwifi/iwl-commands.h
+++ b/drivers/net/wireless/iwlwifi/iwl-commands.h
@@ -2110,8 +2110,10 @@ struct iwl_link_qual_general_params {
*/
struct iwl_link_qual_agg_params {
- /* Maximum number of uSec in aggregation.
- * Driver should set this to 4000 (4 milliseconds). */
+ /*
+ *Maximum number of uSec in aggregation.
+ * default set to 4000 (4 milliseconds) if not configured in .cfg
+ */
__le16 agg_time_limit;
/*
diff --git a/drivers/net/wireless/iwlwifi/iwl-core.h b/drivers/net/wireless/iwlwifi/iwl-core.h
index 51ebd03..17fae00 100644
--- a/drivers/net/wireless/iwlwifi/iwl-core.h
+++ b/drivers/net/wireless/iwlwifi/iwl-core.h
@@ -280,6 +280,7 @@ struct iwl_mod_params {
* @scan_antennas: available antenna for scan operation
* @need_dc_calib: need to perform init dc calibration
* @bt_statistics: use BT version of statistics notification
+ * @agg_time_limit: maximum number of uSec in aggregation
*
* We enable the driver to be backward compatible wrt API version. The
* driver specifies which APIs it supports (with @ucode_api_max being the
@@ -350,6 +351,7 @@ struct iwl_cfg {
u8 scan_tx_antennas[IEEE80211_NUM_BANDS];
const bool need_dc_calib;
const bool bt_statistics;
+ u16 agg_time_limit;
};
/***************************
--
1.7.0.4
--
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