Merge branch 'mt7986-WED-RX'

Lorenzo Bianconi says:

====================
introduce WED RX support to MT7986 SoC

Similar to TX counterpart available on MT7622 and MT7986, introduce
RX Wireless Ethernet Dispatch available on MT7986 SoC in order to
offload traffic received by wlan nic to the wired interfaces (lan/wan).

Changes since v3:
- remove reset property in ethsys dts node
- rely on readx_poll_timeout in wo mcu code
- fix typos
- move wo-ccif binding in soc folder
- use reserved-memory for wo-dlm
- improve wo-ccif binding

Changes since v2:
- rely on of_reserved_mem APIs in mcu code
- add some dts fixes
- rename {tx,rx}_wdma in {rx,tx}_wdma
- update entry in maintainers file

Changes since v1:
- fix sparse warnings
- rely on memory-region property in mt7622-wed.yaml
- some more binding fixes
====================

Signed-off-by: David S. Miller <[email protected]>

1 files changed, 105 insertions, 1 deletions

diff --git a/include/linux/soc/mediatek/mtk_wed.h b/include/linux/soc/mediatek/mtk_wed.h
index 4450c8b7a1cb..8294978f4bca 100644
--- a/include/linux/soc/mediatek/mtk_wed.h
+++ b/include/linux/soc/mediatek/mtk_wed.h
@@ -5,27 +5,76 @@
 #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;
 
+enum mtk_wed_wo_cmd {
+	MTK_WED_WO_CMD_WED_CFG,
+	MTK_WED_WO_CMD_WED_RX_STAT,
+	MTK_WED_WO_CMD_RRO_SER,
+	MTK_WED_WO_CMD_DBG_INFO,
+	MTK_WED_WO_CMD_DEV_INFO,
+	MTK_WED_WO_CMD_BSS_INFO,
+	MTK_WED_WO_CMD_STA_REC,
+	MTK_WED_WO_CMD_DEV_INFO_DUMP,
+	MTK_WED_WO_CMD_BSS_INFO_DUMP,
+	MTK_WED_WO_CMD_STA_REC_DUMP,
+	MTK_WED_WO_CMD_BA_INFO_DUMP,
+	MTK_WED_WO_CMD_FBCMD_Q_DUMP,
+	MTK_WED_WO_CMD_FW_LOG_CTRL,
+	MTK_WED_WO_CMD_LOG_FLUSH,
+	MTK_WED_WO_CMD_CHANGE_STATE,
+	MTK_WED_WO_CMD_CPU_STATS_ENABLE,
+	MTK_WED_WO_CMD_CPU_STATS_DUMP,
+	MTK_WED_WO_CMD_EXCEPTION_INIT,
+	MTK_WED_WO_CMD_PROF_CTRL,
+	MTK_WED_WO_CMD_STA_BA_DUMP,
+	MTK_WED_WO_CMD_BA_CTRL_DUMP,
+	MTK_WED_WO_CMD_RXCNT_CTRL,
+	MTK_WED_WO_CMD_RXCNT_INFO,
+	MTK_WED_WO_CMD_SET_CAP,
+	MTK_WED_WO_CMD_CCIF_RING_DUMP,
+	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;
@@ -34,17 +83,33 @@ 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 {
 		int size;
 		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 {
@@ -53,22 +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
 };
@@ -77,9 +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);
@@ -114,6 +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)
@@ -130,6 +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)
 {
@@ -143,6 +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