iwlwifi: mvm: BT Coex - update integration with rate control

[karo-tx-linux.git] / drivers / net / wireless / iwlwifi / mvm / bt-coex.c

diff --git a/drivers/net/wireless/iwlwifi/mvm/bt-coex.c b/drivers/net/wireless/iwlwifi/mvm/bt-coex.c
index 9fda0c7aa9c7b706133d656d633924b2d5e33be5..f3180cf638438e6a0e84864b712397c98fe68a77 100644 (file)
--- a/drivers/net/wireless/iwlwifi/mvm/bt-coex.c
+++ b/drivers/net/wireless/iwlwifi/mvm/bt-coex.c
@@ -921,6 +921,24 @@ u16 iwl_mvm_bt_coex_agg_time_limit(struct iwl_mvm *mvm,
        return LINK_QUAL_AGG_TIME_LIMIT_BT_ACT;
 }
 
+bool iwl_mvm_bt_coex_is_mimo_allowed(struct iwl_mvm *mvm,
+                                    struct ieee80211_sta *sta)
+{
+       struct iwl_mvm_sta *mvmsta = (void *)sta->drv_priv;
+
+       if (le32_to_cpu(mvm->last_bt_notif.bt_activity_grading) <
+           BT_HIGH_TRAFFIC)
+               return true;
+
+       /*
+        * In Tight, BT can't Rx while we Tx, so use both antennas since BT is
+        * already killed.
+        * In Loose, BT can Rx while we Tx, so forbid MIMO to let BT Rx while we
+        * Tx.
+        */
+       return iwl_get_coex_type(mvm, mvmsta->vif) == BT_COEX_TIGHT_LUT;
+}
+
 void iwl_mvm_bt_coex_vif_change(struct iwl_mvm *mvm)
 {
        if (!(mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_NEWBT_COEX))