ath5k: Print rx/tx bytes in debugfs

This adds counters for tx and rx bytes, including any
errored packets as well as all wireless headers.

Signed-off-by: Ben Greear <greearb@candelatech.com>
Acked-by: Bruno Randolf <br1@einfach.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

3 files changed, 13 insertions, 0 deletions

diff --git a/drivers/net/wireless/ath/ath5k/base.c b/drivers/net/wireless/ath/ath5k/base.c
index 2ed327a8d690..d914a31cb0b6 100644
--- a/drivers/net/wireless/ath/ath5k/base.c
+++ b/drivers/net/wireless/ath/ath5k/base.c
@@ -1433,6 +1433,7 @@ static bool
 ath5k_receive_frame_ok(struct ath5k_softc *sc, struct ath5k_rx_status *rs)
 {
         sc->stats.rx_all_count++;
+        sc->stats.rx_bytes_count += rs->rs_datalen;
 
         if (unlikely(rs->rs_status)) {
                 if (rs->rs_status & AR5K_RXERR_CRC)
@@ -1611,6 +1612,7 @@ ath5k_tx_frame_completed(struct ath5k_softc *sc, struct sk_buff *skb,
         int i;
 
         sc->stats.tx_all_count++;
+        sc->stats.tx_bytes_count += skb->len;
         info = IEEE80211_SKB_CB(skb);
 
         ieee80211_tx_info_clear_status(info);
diff --git a/drivers/net/wireless/ath/ath5k/base.h b/drivers/net/wireless/ath/ath5k/base.h
index b9f6d13b7675..9a79773cdc2a 100644
--- a/drivers/net/wireless/ath/ath5k/base.h
+++ b/drivers/net/wireless/ath/ath5k/base.h
@@ -121,6 +121,13 @@ struct ath5k_statistics {
         /* frame errors */
         unsigned int rx_all_count;      /* all RX frames, including errors */
         unsigned int tx_all_count;      /* all TX frames, including errors */
+        unsigned int rx_bytes_count;    /* all RX bytes, including errored pks
+                                         * and the MAC headers for each packet
+                                         */
+        unsigned int tx_bytes_count;    /* all TX bytes, including errored pkts
+                                         * and the MAC headers and padding for
+                                         * each packet.
+                                         */
         unsigned int rxerr_crc;
         unsigned int rxerr_phy;
         unsigned int rxerr_phy_code[32];
diff --git a/drivers/net/wireless/ath/ath5k/debug.c b/drivers/net/wireless/ath/ath5k/debug.c
index 0f06e8490314..c2d549f871f9 100644
--- a/drivers/net/wireless/ath/ath5k/debug.c
+++ b/drivers/net/wireless/ath/ath5k/debug.c
@@ -587,6 +587,8 @@ static ssize_t read_file_frameerrors(struct file *file, char __user *user_buf,
                                 st->rxerr_jumbo*100/st->rx_all_count : 0);
         len += snprintf(buf+len, sizeof(buf)-len, "[RX all\t%d]\n",
                         st->rx_all_count);
+        len += snprintf(buf+len, sizeof(buf)-len, "RX-all-bytes\t%d\n",
+                        st->rx_bytes_count);
 
         len += snprintf(buf+len, sizeof(buf)-len,
                         "\nTX\n---------------------\n");
@@ -604,6 +606,8 @@ static ssize_t read_file_frameerrors(struct file *file, char __user *user_buf,
                                 st->txerr_filt*100/st->tx_all_count : 0);
         len += snprintf(buf+len, sizeof(buf)-len, "[TX all\t%d]\n",
                         st->tx_all_count);
+        len += snprintf(buf+len, sizeof(buf)-len, "TX-all-bytes\t%d\n",
+                        st->tx_bytes_count);
 
         if (len > sizeof(buf))
                 len = sizeof(buf);