ath9k: show excessive-retry MPDUs in debugfs

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

2 files changed, 6 insertions, 1 deletions

diff --git a/drivers/net/wireless/ath/ath9k/debug.c b/drivers/net/wireless/ath/ath9k/debug.c
index 7230d6578b15..22d3a26e684d 100644
--- a/drivers/net/wireless/ath/ath9k/debug.c
+++ b/drivers/net/wireless/ath/ath9k/debug.c
@@ -600,6 +600,7 @@ static ssize_t read_file_xmit(struct file *file, char __user *user_buf,
 
         PR("MPDUs Queued:    ", queued);
         PR("MPDUs Completed: ", completed);
+        PR("MPDUs XRetried:  ", xretries);
         PR("Aggregates:      ", a_aggr);
         PR("AMPDUs Queued HW:", a_queued_hw);
         PR("AMPDUs Queued SW:", a_queued_sw);
@@ -856,7 +857,10 @@ void ath_debug_stat_tx(struct ath_softc *sc, struct ath_buf *bf,
                 else
                         TX_STAT_INC(qnum, a_completed);
         } else {
-                TX_STAT_INC(qnum, completed);
+                if (bf_isxretried(bf))
+                        TX_STAT_INC(qnum, xretries);
+                else
+                        TX_STAT_INC(qnum, completed);
         }
 
         if (ts->ts_status & ATH9K_TXERR_FIFO)
diff --git a/drivers/net/wireless/ath/ath9k/debug.h b/drivers/net/wireless/ath/ath9k/debug.h
index 8ce6ad80f4e2..4a04510e1111 100644
--- a/drivers/net/wireless/ath/ath9k/debug.h
+++ b/drivers/net/wireless/ath/ath9k/debug.h
@@ -116,6 +116,7 @@ struct ath_tx_stats {
         u32 tx_bytes_all;
         u32 queued;
         u32 completed;
+        u32 xretries;
         u32 a_aggr;
         u32 a_queued_hw;
         u32 a_queued_sw;