ath9k: Add PER to RC debug statistics

Signed-off-by: Sujith <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/ath9k/debug.h b/drivers/net/wireless/ath9k/debug.h
index 61e9698..01681f2 100644
--- a/drivers/net/wireless/ath9k/debug.h
+++ b/drivers/net/wireless/ath9k/debug.h
@@ -91,12 +91,13 @@
 	u32 success;
 	u32 retries;
 	u32 xretries;
+	u8 per;
 };
 
 struct ath_stats {
 	struct ath_interrupt_stats istats;
-	struct ath_legacy_rc_stats legacy_rcstats[12]; /* max(11a,11b,11g) */
-	struct ath_11n_rc_stats n_rcstats[16]; /* 0..15 MCS rates */
+	struct ath_legacy_rc_stats legacy_rcstats[12];	/* max(11a,11b,11g) */
+	struct ath_11n_rc_stats n_rcstats[16];		/* 0..15 MCS rates */
 };
 
 struct ath9k_debug {
@@ -115,7 +116,7 @@
 void ath_debug_stat_interrupt(struct ath_softc *sc, enum ath9k_int status);
 void ath_debug_stat_rc(struct ath_softc *sc, struct sk_buff *skb);
 void ath_debug_stat_retries(struct ath_softc *sc, int rix,
-			    int xretries, int retries);
+			    int xretries, int retries, u8 per);
 
 #else
 
@@ -144,7 +145,7 @@
 }
 
 static inline void ath_debug_stat_retries(struct ath_softc *sc, int rix,
-					  int xretries, int retries)
+					  int xretries, int retries, u8 per)
 {
 }