ath9k: Report total tx/rx bytes and packets in debugfs.

Includes pkts/bytes that may have had errors, and includes
wireless headers when counting bytes.

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

2 files changed, 27 insertions, 0 deletions

diff --git a/drivers/net/wireless/ath/ath9k/debug.c b/drivers/net/wireless/ath/ath9k/debug.c
index 7a5932a6691a..74a4570dc87f 100644
--- a/drivers/net/wireless/ath/ath9k/debug.c
+++ b/drivers/net/wireless/ath/ath9k/debug.c
@@ -701,6 +701,8 @@ static ssize_t read_file_xmit(struct file *file, char __user *user_buf,
         PR("DESC CFG Error:  ", desc_cfg_err);
         PR("DATA Underrun:   ", data_underrun);
         PR("DELIM Underrun:  ", delim_underrun);
+        PR("TX-Pkts-All:     ", tx_pkts_all);
+        PR("TX-Bytes-All:    ", tx_bytes_all);
 
         if (len > size)
                 len = size;
@@ -714,6 +716,9 @@ static ssize_t read_file_xmit(struct file *file, char __user *user_buf,
 void ath_debug_stat_tx(struct ath_softc *sc, struct ath_txq *txq,
                        struct ath_buf *bf, struct ath_tx_status *ts)
 {
+        TX_STAT_INC(txq->axq_qnum, tx_pkts_all);
+        sc->debug.stats.txstats[txq->axq_qnum].tx_bytes_all += bf->bf_mpdu->len;
+
         if (bf_isampdu(bf)) {
                 if (bf_isxretried(bf))
                         TX_STAT_INC(txq->axq_qnum, a_xretries);
@@ -808,6 +813,13 @@ static ssize_t read_file_recv(struct file *file, char __user *user_buf,
         PHY_ERR("HT-LENGTH", ATH9K_PHYERR_HT_LENGTH_ILLEGAL);
         PHY_ERR("HT-RATE", ATH9K_PHYERR_HT_RATE_ILLEGAL);
 
+        len += snprintf(buf + len, size - len,
+                        "%18s : %10u\n", "RX-Pkts-All",
+                        sc->debug.stats.rxstats.rx_pkts_all);
+        len += snprintf(buf + len, size - len,
+                        "%18s : %10u\n", "RX-Bytes-All",
+                        sc->debug.stats.rxstats.rx_bytes_all);
+
         if (len > size)
                 len = size;
 
@@ -826,6 +838,9 @@ void ath_debug_stat_rx(struct ath_softc *sc, struct ath_rx_status *rs)
 
         u32 phyerr;
 
+        RX_STAT_INC(rx_pkts_all);
+        sc->debug.stats.rxstats.rx_bytes_all += rs->rs_datalen;
+
         if (rs->rs_status & ATH9K_RXERR_CRC)
                 RX_STAT_INC(crc_err);
         if (rs->rs_status & ATH9K_RXERR_DECRYPT)
diff --git a/drivers/net/wireless/ath/ath9k/debug.h b/drivers/net/wireless/ath/ath9k/debug.h
index 5d21704e87ff..822b6f3f23c5 100644
--- a/drivers/net/wireless/ath/ath9k/debug.h
+++ b/drivers/net/wireless/ath/ath9k/debug.h
@@ -89,6 +89,10 @@ struct ath_rc_stats {
 
 /**
  * struct ath_tx_stats - Statistics about TX
+ * @tx_pkts_all:  No. of total frames transmitted, including ones that
+        may have had errors.
+ * @tx_bytes_all:  No. of total bytes transmitted, including ones that
+        may have had errors.
  * @queued: Total MPDUs (non-aggr) queued
  * @completed: Total MPDUs (non-aggr) completed
  * @a_aggr: Total no. of aggregates queued
@@ -107,6 +111,8 @@ struct ath_rc_stats {
  * @delim_urn: TX delimiter underrun errors
  */
 struct ath_tx_stats {
+        u32 tx_pkts_all;
+        u32 tx_bytes_all;
         u32 queued;
         u32 completed;
         u32 a_aggr;
@@ -124,6 +130,10 @@ struct ath_tx_stats {
 
 /**
  * struct ath_rx_stats - RX Statistics
+ * @rx_pkts_all:  No. of total frames received, including ones that
+        may have had errors.
+ * @rx_bytes_all:  No. of total bytes received, including ones that
+        may have had errors.
  * @crc_err: No. of frames with incorrect CRC value
  * @decrypt_crc_err: No. of frames whose CRC check failed after
         decryption process completed
@@ -136,6 +146,8 @@ struct ath_tx_stats {
  * @phy_err_stats: Individual PHY error statistics
  */
 struct ath_rx_stats {
+        u32 rx_pkts_all;
+        u32 rx_bytes_all;
         u32 crc_err;
         u32 decrypt_crc_err;
         u32 phy_err;