wifi: ath11k: fix rssi station dump not updated in QCN9074

In QCN9074, station dump signal values display default value which
is -95 dbm, since there is firmware header change for HAL_RX_MPDU_START
between QCN9074 and IPQ8074 which cause wrong peer_id fetch from msdu.
Fix this by updating hal_rx_mpdu_info with corresponding QCN9074 tlv
format.

Tested-on: QCN9074 hw1.0 PCI WLAN.HK.2.7.0.1-01744-QCAHKSWPL_SILICONZ-1
Tested-on: IPQ8074 hw2.0 AHB WLAN.HK.2.4.0.1-01695-QCAHKSWPL_SILICONZ-1
Signed-off-by: P Praneesh <quic_ppranees@quicinc.com>
Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com>
Link: https://lore.kernel.org/r/20230320110312.20639-1-quic_ppranees@quicinc.com

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

@@ -865,6 +865,12 @@ ath11k_hal_rx_populate_mu_user_info(void *rx_tlv, struct hal_rx_mon_ppdu_info *p
 	ath11k_hal_rx_populate_byte_count(rx_tlv, ppdu_info, rx_user_status);
 }
 
+static u16 ath11k_hal_rx_mpduinfo_get_peerid(struct ath11k_base *ab,
+					     struct hal_rx_mpdu_info *mpdu_info)
+{
+	return ab->hw_params.hw_ops->mpdu_info_get_peerid(mpdu_info);
+}
+
 static enum hal_rx_mon_status
 ath11k_hal_rx_parse_mon_status_tlv(struct ath11k_base *ab,
 				   struct hal_rx_mon_ppdu_info *ppdu_info,
@@ -1459,9 +1465,11 @@ ath11k_hal_rx_parse_mon_status_tlv(struct ath11k_base *ab,
 		break;
 	}
 	case HAL_RX_MPDU_START: {
+		struct hal_rx_mpdu_info *mpdu_info =
+				(struct hal_rx_mpdu_info *)tlv_data;
 		u16 peer_id;
 
-		peer_id = ab->hw_params.hw_ops->mpdu_info_get_peerid(tlv_data);
+		peer_id = ath11k_hal_rx_mpduinfo_get_peerid(ab, mpdu_info);
 		if (peer_id)
 			ppdu_info->peer_id = peer_id;
 		break;

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

@@ -405,7 +405,7 @@ struct hal_rx_phyrx_rssi_legacy_info {
 #define HAL_RX_MPDU_INFO_INFO0_PEERID_WCN6855	GENMASK(15, 0)
 #define HAL_RX_MPDU_INFO_INFO1_MPDU_LEN		GENMASK(13, 0)
 
-struct hal_rx_mpdu_info {
+struct hal_rx_mpdu_info_ipq8074 {
 	__le32 rsvd0;
 	__le32 info0;
 	__le32 rsvd1[11];
@@ -413,12 +413,28 @@ struct hal_rx_mpdu_info {
 	__le32 rsvd2[9];
 } __packed;
 
+struct hal_rx_mpdu_info_qcn9074 {
+	__le32 rsvd0[10];
+	__le32 info0;
+	__le32 rsvd1[2];
+	__le32 info1;
+	__le32 rsvd2[9];
+} __packed;
+
 struct hal_rx_mpdu_info_wcn6855 {
 	__le32 rsvd0[8];
 	__le32 info0;
 	__le32 rsvd1[14];
 } __packed;
 
+struct hal_rx_mpdu_info {
+	union {
+		struct hal_rx_mpdu_info_ipq8074 ipq8074;
+		struct hal_rx_mpdu_info_qcn9074 qcn9074;
+		struct hal_rx_mpdu_info_wcn6855 wcn6855;
+	} u;
+} __packed;
+
 #define HAL_RX_PPDU_END_DURATION	GENMASK(23, 0)
 struct hal_rx_ppdu_end_duration {
 	__le32 rsvd0[9];

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

@@ -835,26 +835,35 @@ static void ath11k_hw_ipq5018_reo_setup(struct ath11k_base *ab)
 			   ring_hash_map);
 }
 
-static u16 ath11k_hw_ipq8074_mpdu_info_get_peerid(u8 *tlv_data)
+static u16
+ath11k_hw_ipq8074_mpdu_info_get_peerid(struct hal_rx_mpdu_info *mpdu_info)
 {
 	u16 peer_id = 0;
-	struct hal_rx_mpdu_info *mpdu_info =
-		(struct hal_rx_mpdu_info *)tlv_data;
 
 	peer_id = FIELD_GET(HAL_RX_MPDU_INFO_INFO0_PEERID,
-			    __le32_to_cpu(mpdu_info->info0));
+			    __le32_to_cpu(mpdu_info->u.ipq8074.info0));
 
 	return peer_id;
 }
 
-static u16 ath11k_hw_wcn6855_mpdu_info_get_peerid(u8 *tlv_data)
+static u16
+ath11k_hw_qcn9074_mpdu_info_get_peerid(struct hal_rx_mpdu_info *mpdu_info)
+{
+	u16 peer_id = 0;
+
+	peer_id = FIELD_GET(HAL_RX_MPDU_INFO_INFO0_PEERID,
+			    __le32_to_cpu(mpdu_info->u.qcn9074.info0));
+
+	return peer_id;
+}
+
+static u16
+ath11k_hw_wcn6855_mpdu_info_get_peerid(struct hal_rx_mpdu_info *mpdu_info)
 {
 	u16 peer_id = 0;
-	struct hal_rx_mpdu_info_wcn6855 *mpdu_info =
-		(struct hal_rx_mpdu_info_wcn6855 *)tlv_data;
 
 	peer_id = FIELD_GET(HAL_RX_MPDU_INFO_INFO0_PEERID_WCN6855,
-			    __le32_to_cpu(mpdu_info->info0));
+			    __le32_to_cpu(mpdu_info->u.wcn6855.info0));
 	return peer_id;
 }
 
@@ -1042,7 +1051,7 @@ const struct ath11k_hw_ops qcn9074_ops = {
 	.rx_desc_get_attention = ath11k_hw_qcn9074_rx_desc_get_attention,
 	.rx_desc_get_msdu_payload = ath11k_hw_qcn9074_rx_desc_get_msdu_payload,
 	.reo_setup = ath11k_hw_ipq8074_reo_setup,
-	.mpdu_info_get_peerid = ath11k_hw_ipq8074_mpdu_info_get_peerid,
+	.mpdu_info_get_peerid = ath11k_hw_qcn9074_mpdu_info_get_peerid,
 	.rx_desc_mac_addr2_valid = ath11k_hw_ipq9074_rx_desc_mac_addr2_valid,
 	.rx_desc_mpdu_start_addr2 = ath11k_hw_ipq9074_rx_desc_mpdu_start_addr2,
 	.get_ring_selector = ath11k_hw_ipq8074_get_tcl_ring_selector,

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

@@ -263,7 +263,7 @@ struct ath11k_hw_ops {
 	struct rx_attention *(*rx_desc_get_attention)(struct hal_rx_desc *desc);
 	u8 *(*rx_desc_get_msdu_payload)(struct hal_rx_desc *desc);
 	void (*reo_setup)(struct ath11k_base *ab);
-	u16 (*mpdu_info_get_peerid)(u8 *tlv_data);
+	u16 (*mpdu_info_get_peerid)(struct hal_rx_mpdu_info *mpdu_info);
 	bool (*rx_desc_mac_addr2_valid)(struct hal_rx_desc *desc);
 	u8* (*rx_desc_mpdu_start_addr2)(struct hal_rx_desc *desc);
 	u32 (*get_ring_selector)(struct sk_buff *skb);