ath11k: add support for setting fixed HE rate/gi/ltf

Support setting fixed HE rate/gi/ltf values that we are now able to send
to the kernel using nl80211. The added code is reusing parts of the
existing code path already used for HT/VHT. The new helpers are
symmetric to how we do it for HT/VHT.

Tested-on: IPQ8074 hw2.0 AHB WLAN.HK.2.5.0.1-00235-QCAHKSWPL_SILICONZ-1
Signed-off-by: NMiles Hu <milehu@codeaurora.org>
Co-developed-by: NAloka Dixit <alokad@codeaurora.org>
Signed-off-by: NAloka Dixit <alokad@codeaurora.org>
Co-developed-by: NLavanya Suresh <lavaks@codeaurora.org>
Signed-off-by: NLavanya Suresh <lavaks@codeaurora.org>
Co-developed-by: NPradeep Chitrapu <pradeepc@codeaurora.org>
Signed-off-by: NPradeep Chitrapu <pradeepc@codeaurora.org>
Signed-off-by: NVenkateswara Naralasetty <vnaralas@codeaurora.org>
Signed-off-by: NJouni Malinen <jouni@codeaurora.org>
Signed-off-by: NKalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20210721173615.75637-1-jouni@codeaurora.org

drivers/net/wireless/ath/ath11k/wmi.c

@@ -1904,8 +1904,8 @@ int ath11k_wmi_send_peer_assoc_cmd(struct ath11k *ar,
 				     FIELD_PREP(WMI_TLV_LEN,
 						sizeof(*he_mcs) - TLV_HDR_SIZE);
 
-		he_mcs->rx_mcs_set = param->peer_he_rx_mcs_set[i];
-		he_mcs->tx_mcs_set = param->peer_he_tx_mcs_set[i];
+		he_mcs->rx_mcs_set = param->peer_he_tx_mcs_set[i];
+		he_mcs->tx_mcs_set = param->peer_he_rx_mcs_set[i];
 		ptr += sizeof(*he_mcs);
 	}
 

drivers/net/wireless/ath/ath11k/wmi.h

@@ -119,6 +119,22 @@ enum {
 	WMI_HOST_WLAN_2G_5G_CAP	= 0x3,
 };
 
+/* Parameters used for WMI_VDEV_PARAM_AUTORATE_MISC_CFG command.
+ * Used only for HE auto rate mode.
+ */
+enum {
+	/* HE LTF related configuration */
+	WMI_HE_AUTORATE_LTF_1X = BIT(0),
+	WMI_HE_AUTORATE_LTF_2X = BIT(1),
+	WMI_HE_AUTORATE_LTF_4X = BIT(2),
+
+	/* HE GI related configuration */
+	WMI_AUTORATE_400NS_GI = BIT(8),
+	WMI_AUTORATE_800NS_GI = BIT(9),
+	WMI_AUTORATE_1600NS_GI = BIT(10),
+	WMI_AUTORATE_3200NS_GI = BIT(11),
+};
+
 /*
  * wmi command groups.
  */
@@ -1044,7 +1060,9 @@ enum wmi_tlv_vdev_param {
 	WMI_VDEV_PARAM_HE_RANGE_EXT,
 	WMI_VDEV_PARAM_ENABLE_BCAST_PROBE_RESPONSE,
 	WMI_VDEV_PARAM_FILS_MAX_CHANNEL_GUARD_TIME,
+	WMI_VDEV_PARAM_HE_LTF = 0x74,
 	WMI_VDEV_PARAM_BA_MODE = 0x7e,
+	WMI_VDEV_PARAM_AUTORATE_MISC_CFG = 0x80,
 	WMI_VDEV_PARAM_SET_HE_SOUNDING_MODE = 0x87,
 	WMI_VDEV_PARAM_6GHZ_PARAMS = 0x99,
 	WMI_VDEV_PARAM_PROTOTYPE = 0x8000,
@@ -3920,7 +3938,11 @@ struct wmi_vht_rate_set {
 
 struct wmi_he_rate_set {
 	u32 tlv_header;
+
+	/* MCS at which the peer can receive */
 	u32 rx_mcs_set;
+
+	/* MCS at which the peer can transmit */
 	u32 tx_mcs_set;
 } __packed;