ath9k: Add more recv stats.

This adds counters in various places that can drop packets on
rx without otherwise incrementing a counter.  It also counts
some non-error cases, such as becons and fragments received.

Should help with figuring out where packets are (and are not)
dropped.

Signed-off-by: Ben Greear <greearb@candelatech.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 21 insertions, 2 deletions

diff --git a/drivers/net/wireless/ath/ath9k/debug.c b/drivers/net/wireless/ath/ath9k/debug.c
index 9078279fab0c..244723a3ed41 100644
--- a/drivers/net/wireless/ath/ath9k/debug.c
+++ b/drivers/net/wireless/ath/ath9k/debug.c
@@ -916,6 +916,21 @@ static ssize_t read_file_recv(struct file *file, char __user *user_buf,
         len += snprintf(buf + len, size - len,
                         "%22s : %10u\n", "DECRYPT BUSY ERR",
                         sc->debug.stats.rxstats.decrypt_busy_err);
+        len += snprintf(buf + len, size - len,
+                        "%22s : %10u\n", "RX-LENGTH-ERR",
+                        sc->debug.stats.rxstats.rx_len_err);
+        len += snprintf(buf + len, size - len,
+                        "%22s : %10u\n", "RX-OOM-ERR",
+                        sc->debug.stats.rxstats.rx_oom_err);
+        len += snprintf(buf + len, size - len,
+                        "%22s : %10u\n", "RX-RATE-ERR",
+                        sc->debug.stats.rxstats.rx_rate_err);
+        len += snprintf(buf + len, size - len,
+                        "%22s : %10u\n", "RX-DROP-RXFLUSH",
+                        sc->debug.stats.rxstats.rx_drop_rxflush);
+        len += snprintf(buf + len, size - len,
+                        "%22s : %10u\n", "RX-TOO-MANY-FRAGS",
+                        sc->debug.stats.rxstats.rx_too_many_frags_err);
 
         PHY_ERR("UNDERRUN ERR", ATH9K_PHYERR_UNDERRUN);
         PHY_ERR("TIMING ERR", ATH9K_PHYERR_TIMING);
@@ -950,6 +965,12 @@ static ssize_t read_file_recv(struct file *file, char __user *user_buf,
         len += snprintf(buf + len, size - len,
                         "%22s : %10u\n", "RX-Bytes-All",
                         sc->debug.stats.rxstats.rx_bytes_all);
+        len += snprintf(buf + len, size - len,
+                        "%22s : %10u\n", "RX-Beacons",
+                        sc->debug.stats.rxstats.rx_beacons);
+        len += snprintf(buf + len, size - len,
+                        "%22s : %10u\n", "RX-Frags",
+                        sc->debug.stats.rxstats.rx_frags);
 
         if (len > size)
                 len = size;
@@ -964,7 +985,6 @@ static ssize_t read_file_recv(struct file *file, char __user *user_buf,
 
 void ath_debug_stat_rx(struct ath_softc *sc, struct ath_rx_status *rs)
 {
-#define RX_STAT_INC(c) sc->debug.stats.rxstats.c++
 #define RX_PHY_ERR_INC(c) sc->debug.stats.rxstats.phy_err_stats[c]++
 #define RX_SAMP_DBG(c) (sc->debug.bb_mac_samp[sc->debug.sampidx].rs\
                         [sc->debug.rsidx].c)
@@ -1010,7 +1030,6 @@ void ath_debug_stat_rx(struct ath_softc *sc, struct ath_rx_status *rs)
 
 #endif
 
-#undef RX_STAT_INC
 #undef RX_PHY_ERR_INC
 #undef RX_SAMP_DBG
 }