iwlagn: support dynamic aggregation for BT coex
Use dynamic aggregation threshold if bt traffic load is high
to reduce the impact on aggregated frame.
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-rs.c b/drivers/net/wireless/iwlwifi/iwl-agn-rs.c
index 0655536..f450adc 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn-rs.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn-rs.c
@@ -833,17 +833,23 @@
struct iwl_lq_sta *lq_sta)
{
struct iwl_scale_tbl_info *tbl;
- bool full_concurrent;
+ bool full_concurrent = priv->bt_full_concurrent;
unsigned long flags;
- spin_lock_irqsave(&priv->lock, flags);
- if (priv->bt_ci_compliance && priv->bt_ant_couple_ok)
- full_concurrent = true;
- else
- full_concurrent = false;
- spin_unlock_irqrestore(&priv->lock, flags);
-
- if (priv->bt_full_concurrent != full_concurrent) {
+ if (priv->bt_ant_couple_ok) {
+ /*
+ * Is there a need to switch between
+ * full concurrency and 3-wire?
+ */
+ spin_lock_irqsave(&priv->lock, flags);
+ if (priv->bt_ci_compliance && priv->bt_ant_couple_ok)
+ full_concurrent = true;
+ else
+ full_concurrent = false;
+ spin_unlock_irqrestore(&priv->lock, flags);
+ }
+ if ((priv->bt_traffic_load != priv->last_bt_traffic_load) ||
+ (priv->bt_full_concurrent != full_concurrent)) {
priv->bt_full_concurrent = full_concurrent;
/* Update uCode's rate table. */
@@ -1040,8 +1046,7 @@
if (sta && sta->supp_rates[sband->band])
rs_rate_scale_perform(priv, skb, sta, lq_sta);
- /* Is there a need to switch between full concurrency and 3-wire? */
- if (priv->bt_ant_couple_ok)
+ if (priv->cfg->bt_params && priv->cfg->bt_params->advanced_bt_coexist)
rs_bt_update_lq(priv, ctx, lq_sta);
}
@@ -3010,10 +3015,7 @@
*/
if (priv && priv->cfg->bt_params &&
priv->cfg->bt_params->agg_time_limit &&
- priv->cfg->bt_params->agg_time_limit >=
- LINK_QUAL_AGG_TIME_LIMIT_MIN &&
- priv->cfg->bt_params->agg_time_limit <=
- LINK_QUAL_AGG_TIME_LIMIT_MAX)
+ priv->bt_traffic_load >= IWL_BT_COEX_TRAFFIC_LOAD_HIGH)
lq_cmd->agg_params.agg_time_limit =
cpu_to_le16(priv->cfg->bt_params->agg_time_limit);
}