net: ethernet: mtk_wed: introduce hw_rro support for MT7988

MT7988 SoC support 802.11 receive reordering offload in hw while
MT7986 SoC implements it through the firmware running on the mcu.
Co-developed-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Sujuan Chen <sujuan.chen@mediatek.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>

include/linux/soc/mediatek/mtk_wed.h

@@ -10,6 +10,7 @@
 
 #define MTK_WED_TX_QUEUES		2
 #define MTK_WED_RX_QUEUES		2
+#define MTK_WED_RX_PAGE_QUEUES		3
 
 #define WED_WO_STA_REC			0x6
 
@@ -99,6 +100,9 @@ struct mtk_wed_device {
 	struct mtk_wed_ring txfree_ring;
 	struct mtk_wed_ring tx_wdma[MTK_WED_TX_QUEUES];
 	struct mtk_wed_ring rx_wdma[MTK_WED_RX_QUEUES];
+	struct mtk_wed_ring rx_rro_ring[MTK_WED_RX_QUEUES];
+	struct mtk_wed_ring rx_page_ring[MTK_WED_RX_PAGE_QUEUES];
+	struct mtk_wed_ring ind_cmd_ring;
 
 	struct {
 		int size;
@@ -119,6 +123,13 @@ struct mtk_wed_device {
 		dma_addr_t fdbk_phys;
 	} rro;
 
+	struct {
+		int size;
+		struct mtk_wed_buf *pages;
+		struct mtk_wed_bm_desc *desc;
+		dma_addr_t desc_phys;
+	} hw_rro;
+
 	/* filled by driver: */
 	struct {
 		union {
@@ -137,6 +148,8 @@ struct mtk_wed_device {
 		u32 wpdma_txfree;
 		u32 wpdma_rx_glo;
 		u32 wpdma_rx;
+		u32 wpdma_rx_rro[MTK_WED_RX_QUEUES];
+		u32 wpdma_rx_pg;
 
 		bool wcid_512;
 		bool hw_rro;
@@ -151,9 +164,20 @@ struct mtk_wed_device {
 
 		u8 tx_tbit[MTK_WED_TX_QUEUES];
 		u8 rx_tbit[MTK_WED_RX_QUEUES];
+		u8 rro_rx_tbit[MTK_WED_RX_QUEUES];
+		u8 rx_pg_tbit[MTK_WED_RX_PAGE_QUEUES];
 		u8 txfree_tbit;
 		u8 amsdu_max_subframes;
 
+		struct {
+			u8 se_group_nums;
+			u16 win_size;
+			u16 particular_sid;
+			u32 ack_sn_addr;
+			dma_addr_t particular_se_phys;
+			dma_addr_t addr_elem_phys[1024];
+		} ind_cmd;
+
 		u32 (*init_buf)(void *ptr, dma_addr_t phys, int token_id);
 		int (*offload_enable)(struct mtk_wed_device *wed);
 		void (*offload_disable)(struct mtk_wed_device *wed);
@@ -192,6 +216,14 @@ struct mtk_wed_ops {
 	void (*irq_set_mask)(struct mtk_wed_device *dev, u32 mask);
 	int (*setup_tc)(struct mtk_wed_device *wed, struct net_device *dev,
 			enum tc_setup_type type, void *type_data);
+	void (*start_hw_rro)(struct mtk_wed_device *dev, u32 irq_mask,
+			     bool reset);
+	void (*rro_rx_ring_setup)(struct mtk_wed_device *dev, int ring,
+				  void __iomem *regs);
+	void (*msdu_pg_rx_ring_setup)(struct mtk_wed_device *dev, int ring,
+				      void __iomem *regs);
+	int (*ind_rx_ring_setup)(struct mtk_wed_device *dev,
+				 void __iomem *regs);
 };
 
 extern const struct mtk_wed_ops __rcu *mtk_soc_wed_ops;
@@ -263,6 +295,15 @@ static inline bool mtk_wed_is_amsdu_supported(struct mtk_wed_device *dev)
 #define mtk_wed_device_dma_reset(_dev) (_dev)->ops->reset_dma(_dev)
 #define mtk_wed_device_setup_tc(_dev, _netdev, _type, _type_data) \
 	(_dev)->ops->setup_tc(_dev, _netdev, _type, _type_data)
+#define mtk_wed_device_start_hw_rro(_dev, _mask, _reset) \
+	(_dev)->ops->start_hw_rro(_dev, _mask, _reset)
+#define mtk_wed_device_rro_rx_ring_setup(_dev, _ring, _regs) \
+	(_dev)->ops->rro_rx_ring_setup(_dev, _ring, _regs)
+#define mtk_wed_device_msdu_pg_rx_ring_setup(_dev, _ring, _regs) \
+	(_dev)->ops->msdu_pg_rx_ring_setup(_dev, _ring, _regs)
+#define mtk_wed_device_ind_rx_ring_setup(_dev, _regs) \
+	(_dev)->ops->ind_rx_ring_setup(_dev, _regs)
+
 #else
 static inline bool mtk_wed_device_active(struct mtk_wed_device *dev)
 {
@@ -282,6 +323,10 @@ static inline bool mtk_wed_device_active(struct mtk_wed_device *dev)
 #define mtk_wed_device_stop(_dev) do {} while (0)
 #define mtk_wed_device_dma_reset(_dev) do {} while (0)
 #define mtk_wed_device_setup_tc(_dev, _netdev, _type, _type_data) -EOPNOTSUPP
+#define mtk_wed_device_start_hw_rro(_dev, _mask, _reset) do {} while (0)
+#define mtk_wed_device_rro_rx_ring_setup(_dev, _ring, _regs) -ENODEV
+#define mtk_wed_device_msdu_pg_rx_ring_setup(_dev, _ring, _regs) -ENODEV
+#define mtk_wed_device_ind_rx_ring_setup(_dev, _regs) -ENODEV
 #endif
 
 #endif