mt76: mt7915: add Wireless Ethernet Dispatch support

This is used to support hardware flow offloading from Ethernet to WLAN

Signed-off-by: Felix Fietkau <nbd@nbd.name>

1 files changed, 26 insertions, 4 deletions

diff --git a/drivers/net/wireless/mediatek/mt76/mt76.h b/drivers/net/wireless/mediatek/mt76/mt76.h
index dce86846e648..dc0f1b0aa34a 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76.h
+++ b/drivers/net/wireless/mediatek/mt76/mt76.h
@@ -13,6 +13,7 @@
 #include <linux/leds.h>
 #include <linux/usb.h>
 #include <linux/average.h>
+#include <linux/soc/mediatek/mtk_wed.h>
 #include <net/mac80211.h>
 #include "util.h"
 #include "testmode.h"
@@ -26,6 +27,16 @@
 
 #define MT76_TOKEN_FREE_THR	64
 
+#define MT_QFLAG_WED_RING	GENMASK(1, 0)
+#define MT_QFLAG_WED_TYPE	GENMASK(3, 2)
+#define MT_QFLAG_WED		BIT(4)
+
+#define __MT_WED_Q(_type, _n)	(MT_QFLAG_WED | \
+				 FIELD_PREP(MT_QFLAG_WED_TYPE, _type) | \
+				 FIELD_PREP(MT_QFLAG_WED_RING, _n))
+#define MT_WED_Q_TX(_n)		__MT_WED_Q(MT76_WED_Q_TX, _n)
+#define MT_WED_Q_TXFREE		__MT_WED_Q(MT76_WED_Q_TXFREE, 0)
+
 struct mt76_dev;
 struct mt76_phy;
 struct mt76_wcid;
@@ -42,6 +53,11 @@ enum mt76_bus_type {
 	MT76_BUS_SDIO,
 };
 
+enum mt76_wed_type {
+	MT76_WED_Q_TX,
+	MT76_WED_Q_TXFREE,
+};
+
 struct mt76_bus_ops {
 	u32 (*rr)(struct mt76_dev *dev, u32 offset);
 	void (*wr)(struct mt76_dev *dev, u32 offset, u32 val);
@@ -170,6 +186,9 @@ struct mt76_queue {
 	u8 buf_offset;
 	u8 hw_idx;
 	u8 qid;
+	u8 flags;
+
+	u32 wed_regs;
 
 	dma_addr_t desc_dma;
 	struct sk_buff *rx_head;
@@ -537,6 +556,8 @@ struct mt76_mmio {
 	void __iomem *regs;
 	spinlock_t irq_lock;
 	u32 irqmask;
+
+	struct mtk_wed_device wed;
 };
 
 struct mt76_rx_status {
@@ -719,6 +740,7 @@ struct mt76_dev {
 
 	spinlock_t token_lock;
 	struct idr token;
+	u16 wed_token_count;
 	u16 token_count;
 	u16 token_size;
 
@@ -944,14 +966,14 @@ int mt76_get_of_eeprom(struct mt76_dev *dev, void *data, int offset, int len);
 
 struct mt76_queue *
 mt76_init_queue(struct mt76_dev *dev, int qid, int idx, int n_desc,
-		int ring_base);
+		int ring_base, u32 flags);
 u16 mt76_calculate_default_rate(struct mt76_phy *phy, int rateidx);
 static inline int mt76_init_tx_queue(struct mt76_phy *phy, int qid, int idx,
-				     int n_desc, int ring_base)
+				     int n_desc, int ring_base, u32 flags)
 {
 	struct mt76_queue *q;
 
-	q = mt76_init_queue(phy->dev, qid, idx, n_desc, ring_base);
+	q = mt76_init_queue(phy->dev, qid, idx, n_desc, ring_base, flags);
 	if (IS_ERR(q))
 		return PTR_ERR(q);
 
@@ -966,7 +988,7 @@ static inline int mt76_init_mcu_queue(struct mt76_dev *dev, int qid, int idx,
 {
 	struct mt76_queue *q;
 
-	q = mt76_init_queue(dev, qid, idx, n_desc, ring_base);
+	q = mt76_init_queue(dev, qid, idx, n_desc, ring_base, 0);
 	if (IS_ERR(q))
 		return PTR_ERR(q);