mt76: mt7615: introduce mt7615_wtbl_desc data structure

Generalize mt7615_rate_desc introducing mt7615_wtbl_desc and
mt7615_key_desc data structures in order to configure the hw wtbl
in a non-atomic context for usb devices
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

drivers/net/wireless/mediatek/mt76/mt7615/mac.c

@@ -895,7 +895,6 @@ mt7615_mac_update_rate_desc(struct mt7615_phy *phy, struct mt7615_sta *sta,
 		rd->bw_idx = 7;
 
 	rd->rateset = rateset;
-	rd->sta = sta;
 	rd->bw = bw;
 }
 

drivers/net/wireless/mediatek/mt76/mt7615/mt7615.h

@@ -92,10 +92,6 @@ struct mt7615_rate_set {
 };
 
 struct mt7615_rate_desc {
-	struct list_head node;
-
-	struct mt7615_sta *sta;
-
 	bool rateset;
 	u16 probe_val;
 	u16 val[4];
@@ -103,6 +99,31 @@ struct mt7615_rate_desc {
 	u8 bw;
 };
 
+enum mt7615_wtbl_desc_type {
+	MT7615_WTBL_RATE_DESC,
+	MT7615_WTBL_KEY_DESC
+};
+
+struct mt7615_key_desc {
+	enum set_key_cmd cmd;
+	u32 cipher;
+	s8 keyidx;
+	u8 keylen;
+	u8 *key;
+};
+
+struct mt7615_wtbl_desc {
+	struct list_head node;
+
+	enum mt7615_wtbl_desc_type type;
+	struct mt7615_sta *sta;
+
+	union {
+		struct mt7615_rate_desc rate;
+		struct mt7615_key_desc key;
+	};
+};
+
 struct mt7615_sta {
 	struct mt76_wcid wcid; /* must be first */