*
* Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
* Copyright(c) 2017 Intel Deutschland GmbH
- * Copyright(c) 2018 - 2019 Intel Corporation
+ * Copyright(c) 2018 - 2020 Intel Corporation
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of version 2 of the GNU General Public License as
*
* Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
* Copyright(c) 2017 Intel Deutschland GmbH
- * Copyright(c) 2018 - 2019 Intel Corporation
+ * Copyright(c) 2018 - 2020 Intel Corporation
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
#define RATE_MCS_HE_106T_POS 28
#define RATE_MCS_HE_106T_MSK (1 << RATE_MCS_HE_106T_POS)
+/* Bit 30-31: (1) RTS, (2) CTS */
+#define RATE_MCS_RTS_REQUIRED_POS (30)
+#define RATE_MCS_RTS_REQUIRED_MSK (0x1 << RATE_MCS_RTS_REQUIRED_POS)
+
+#define RATE_MCS_CTS_REQUIRED_POS (31)
+#define RATE_MCS_CTS_REQUIRED_MSK (0x1 << RATE_MCS_CTS_REQUIRED_POS)
+
/* Link Quality definitions */
/* # entries in rate scale table to support Tx retries */
return ucode_rate;
}
+ /* set RTS protection for all non legacy rates
+ * This helps with congested environments reducing the conflict cost to
+ * RTS retries only, instead of the entire BA packet.
+ */
+ ucode_rate |= RATE_MCS_RTS_REQUIRED_MSK;
+
if (is_ht(rate)) {
if (index < IWL_FIRST_HT_RATE || index > IWL_LAST_HT_RATE) {
IWL_ERR(mvm, "Invalid HT rate index %d\n", index);