net: ethernet: mtk_wed: add configure wed wo support

Enable RX Wireless Ethernet Dispatch available on MT7986 Soc.

Tested-by: Daniel Golle <daniel@makrotopia.org>
Co-developed-by: Sujuan Chen <sujuan.chen@mediatek.com>
Signed-off-by: Sujuan Chen <sujuan.chen@mediatek.com>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 75 insertions, 1 deletions

diff --git a/include/linux/soc/mediatek/mtk_wed.h b/include/linux/soc/mediatek/mtk_wed.h
index 956978320f8b..8294978f4bca 100644
--- a/include/linux/soc/mediatek/mtk_wed.h
+++ b/include/linux/soc/mediatek/mtk_wed.h
@@ -5,10 +5,13 @@
 #include <linux/rcupdate.h>
 #include <linux/regmap.h>
 #include <linux/pci.h>
+#include <linux/skbuff.h>
 
 #define MTK_WED_TX_QUEUES		2
 #define MTK_WED_RX_QUEUES		2
 
+#define WED_WO_STA_REC			0x6
+
 struct mtk_wed_hw;
 struct mtk_wdma_desc;
 
@@ -41,21 +44,37 @@ enum mtk_wed_wo_cmd {
 	MTK_WED_WO_CMD_WED_END
 };
 
+struct mtk_rxbm_desc {
+	__le32 buf0;
+	__le32 token;
+} __packed __aligned(4);
+
 enum mtk_wed_bus_tye {
 	MTK_WED_BUS_PCIE,
 	MTK_WED_BUS_AXI,
 };
 
+#define MTK_WED_RING_CONFIGURED		BIT(0)
 struct mtk_wed_ring {
 	struct mtk_wdma_desc *desc;
 	dma_addr_t desc_phys;
 	u32 desc_size;
 	int size;
+	u32 flags;
 
 	u32 reg_base;
 	void __iomem *wpdma;
 };
 
+struct mtk_wed_wo_rx_stats {
+	__le16 wlan_idx;
+	__le16 tid;
+	__le32 rx_pkt_cnt;
+	__le32 rx_byte_cnt;
+	__le32 rx_err_cnt;
+	__le32 rx_drop_cnt;
+};
+
 struct mtk_wed_device {
 #ifdef CONFIG_NET_MEDIATEK_SOC_WED
 	const struct mtk_wed_ops *ops;
@@ -64,9 +83,12 @@ struct mtk_wed_device {
 	bool init_done, running;
 	int wdma_idx;
 	int irq;
+	u8 version;
 
 	struct mtk_wed_ring tx_ring[MTK_WED_TX_QUEUES];
+	struct mtk_wed_ring rx_ring[MTK_WED_RX_QUEUES];
 	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 {
@@ -74,7 +96,20 @@ struct mtk_wed_device {
 		void **pages;
 		struct mtk_wdma_desc *desc;
 		dma_addr_t desc_phys;
-	} buf_ring;
+	} tx_buf_ring;
+
+	struct {
+		int size;
+		struct page_frag_cache rx_page;
+		struct mtk_rxbm_desc *desc;
+		dma_addr_t desc_phys;
+	} rx_buf_ring;
+
+	struct {
+		struct mtk_wed_ring ring;
+		dma_addr_t miod_phys;
+		dma_addr_t fdbk_phys;
+	} rro;
 
 	/* filled by driver: */
 	struct {
@@ -83,22 +118,36 @@ struct mtk_wed_device {
 			struct pci_dev *pci_dev;
 		};
 		enum mtk_wed_bus_tye bus_type;
+		void __iomem *base;
+		u32 phy_base;
 
 		u32 wpdma_phys;
 		u32 wpdma_int;
 		u32 wpdma_mask;
 		u32 wpdma_tx;
 		u32 wpdma_txfree;
+		u32 wpdma_rx_glo;
+		u32 wpdma_rx;
+
+		bool wcid_512;
 
 		u16 token_start;
 		unsigned int nbuf;
+		unsigned int rx_nbuf;
+		unsigned int rx_npkt;
+		unsigned int rx_size;
 
 		u8 tx_tbit[MTK_WED_TX_QUEUES];
+		u8 rx_tbit[MTK_WED_RX_QUEUES];
 		u8 txfree_tbit;
 
 		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);
+		u32 (*init_rx_buf)(struct mtk_wed_device *wed, int size);
+		void (*release_rx_buf)(struct mtk_wed_device *wed);
+		void (*update_wo_rx_stats)(struct mtk_wed_device *wed,
+					   struct mtk_wed_wo_rx_stats *stats);
 	} wlan;
 #endif
 };
@@ -107,9 +156,15 @@ struct mtk_wed_ops {
 	int (*attach)(struct mtk_wed_device *dev);
 	int (*tx_ring_setup)(struct mtk_wed_device *dev, int ring,
 			     void __iomem *regs);
+	int (*rx_ring_setup)(struct mtk_wed_device *dev, int ring,
+			     void __iomem *regs);
 	int (*txfree_ring_setup)(struct mtk_wed_device *dev,
 				 void __iomem *regs);
+	int (*msg_update)(struct mtk_wed_device *dev, int cmd_id,
+			  void *data, int len);
 	void (*detach)(struct mtk_wed_device *dev);
+	void (*ppe_check)(struct mtk_wed_device *dev, struct sk_buff *skb,
+			  u32 reason, u32 hash);
 
 	void (*stop)(struct mtk_wed_device *dev);
 	void (*start)(struct mtk_wed_device *dev, u32 irq_mask);
@@ -144,6 +199,16 @@ mtk_wed_device_attach(struct mtk_wed_device *dev)
 	return ret;
 }
 
+static inline bool
+mtk_wed_get_rx_capa(struct mtk_wed_device *dev)
+{
+#ifdef CONFIG_NET_MEDIATEK_SOC_WED
+	return dev->version != 1;
+#else
+	return false;
+#endif
+}
+
 #ifdef CONFIG_NET_MEDIATEK_SOC_WED
 #define mtk_wed_device_active(_dev) !!(_dev)->ops
 #define mtk_wed_device_detach(_dev) (_dev)->ops->detach(_dev)
@@ -160,6 +225,12 @@ mtk_wed_device_attach(struct mtk_wed_device *dev)
 	(_dev)->ops->irq_get(_dev, _mask)
 #define mtk_wed_device_irq_set_mask(_dev, _mask) \
 	(_dev)->ops->irq_set_mask(_dev, _mask)
+#define mtk_wed_device_rx_ring_setup(_dev, _ring, _regs) \
+	(_dev)->ops->rx_ring_setup(_dev, _ring, _regs)
+#define mtk_wed_device_ppe_check(_dev, _skb, _reason, _hash) \
+	(_dev)->ops->ppe_check(_dev, _skb, _reason, _hash)
+#define mtk_wed_device_update_msg(_dev, _id, _msg, _len) \
+	(_dev)->ops->msg_update(_dev, _id, _msg, _len)
 #else
 static inline bool mtk_wed_device_active(struct mtk_wed_device *dev)
 {
@@ -173,6 +244,9 @@ static inline bool mtk_wed_device_active(struct mtk_wed_device *dev)
 #define mtk_wed_device_reg_write(_dev, _reg, _val) do {} while (0)
 #define mtk_wed_device_irq_get(_dev, _mask) 0
 #define mtk_wed_device_irq_set_mask(_dev, _mask) do {} while (0)
+#define mtk_wed_device_rx_ring_setup(_dev, _ring, _regs) -ENODEV
+#define mtk_wed_device_ppe_check(_dev, _skb, _reason, _hash)  do {} while (0)
+#define mtk_wed_device_update_msg(_dev, _id, _msg, _len) -ENODEV
 #endif
 
 #endif