ath9k: AR9380 PAPRD changes to improve tx performance

chromeos/compat-wireless/drivers/net/wireless/ath/ath9k/hw.h

Index: chromeos/compat-wireless/drivers/net/wireless/ath/ath9k/hw.h
diff --git a/chromeos/compat-wireless/drivers/net/wireless/ath/ath9k/hw.h b/chromeos/compat-wireless/drivers/net/wireless/ath/ath9k/hw.h
index 7669b01925a7904c19cfe15928ccf942bd011682..6f431b141393cbbeeb9151b4c9ae39fbb609dd4e 100644
--- a/chromeos/compat-wireless/drivers/net/wireless/ath/ath9k/hw.h
+++ b/chromeos/compat-wireless/drivers/net/wireless/ath/ath9k/hw.h
@@ -835,6 +835,11 @@ struct ath_hw {
 	u32 bb_watchdog_last_status;
 	u32 bb_watchdog_timeout_ms; /* in ms, 0 to disable */
 
+	unsigned int paprd_target_power;
+	unsigned int paprd_training_power;
+	unsigned int paprd_ratemask;
+	unsigned int paprd_ratemask_ht40;
+	bool paprd_table_write_done;
 	u32 paprd_gain_table_entries[PAPRD_GAIN_TABLE_ENTRIES];
 	u8 paprd_gain_table_index[PAPRD_GAIN_TABLE_ENTRIES];
 	/*
@@ -874,6 +879,11 @@ static inline int sign_extend(int val, const int nbits)
 	return (val ^ order) - order;
 }
 
+static inline u8 get_streams(int mask)
+{
+	return !!(mask & BIT(0)) + !!(mask & BIT(1)) + !!(mask & BIT(2));
+}
+
 /* Initialization, Detach, Reset */
 const char *ath9k_hw_probe(u16 vendorid, u16 devid);
 void ath9k_hw_deinit(struct ath_hw *ah);