ath9k: Add counters to distinquish AMPDU enqueues.

Show counters for pkts sent directly to hardware and
those queued in software.

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

3 files changed, 8 insertions, 4 deletions

diff --git a/drivers/net/wireless/ath/ath9k/debug.c b/drivers/net/wireless/ath/ath9k/debug.c
index 577bc5a9835b..faf84e499c8f 100644
--- a/drivers/net/wireless/ath/ath9k/debug.c
+++ b/drivers/net/wireless/ath/ath9k/debug.c
@@ -628,7 +628,8 @@ static ssize_t read_file_xmit(struct file *file, char __user *user_buf,
         PR("MPDUs Queued:    ", queued);
         PR("MPDUs Completed: ", completed);
         PR("Aggregates:      ", a_aggr);
-        PR("AMPDUs Queued:   ", a_queued);
+        PR("AMPDUs Queued HW:", a_queued_hw);
+        PR("AMPDUs Queued SW:", a_queued_sw);
         PR("AMPDUs Completed:", a_completed);
         PR("AMPDUs Retried:  ", a_retries);
         PR("AMPDUs XRetried: ", a_xretries);
diff --git a/drivers/net/wireless/ath/ath9k/debug.h b/drivers/net/wireless/ath/ath9k/debug.h
index cd2db3fd7b7e..980c9fa194b9 100644
--- a/drivers/net/wireless/ath/ath9k/debug.h
+++ b/drivers/net/wireless/ath/ath9k/debug.h
@@ -89,7 +89,8 @@ struct ath_interrupt_stats {
  * @queued: Total MPDUs (non-aggr) queued
  * @completed: Total MPDUs (non-aggr) completed
  * @a_aggr: Total no. of aggregates queued
- * @a_queued: Total AMPDUs queued
+ * @a_queued_hw: Total AMPDUs queued to hardware
+ * @a_queued_sw: Total AMPDUs queued to software queues
  * @a_completed: Total AMPDUs completed
  * @a_retries: No. of AMPDUs retried (SW)
  * @a_xretries: No. of AMPDUs dropped due to xretries
@@ -112,7 +113,8 @@ struct ath_tx_stats {
         u32 queued;
         u32 completed;
         u32 a_aggr;
-        u32 a_queued;
+        u32 a_queued_hw;
+        u32 a_queued_sw;
         u32 a_completed;
         u32 a_retries;
         u32 a_xretries;
diff --git a/drivers/net/wireless/ath/ath9k/xmit.c b/drivers/net/wireless/ath/ath9k/xmit.c
index f6de2271b9d4..a83f2c54508c 100644
--- a/drivers/net/wireless/ath/ath9k/xmit.c
+++ b/drivers/net/wireless/ath/ath9k/xmit.c
@@ -1341,7 +1341,6 @@ static void ath_tx_send_ampdu(struct ath_softc *sc, struct ath_atx_tid *tid,
         struct list_head bf_head;
 
         bf->bf_state.bf_type |= BUF_AMPDU;
-        TX_STAT_INC(txctl->txq->axq_qnum, a_queued);
 
         /*
          * Do not queue to h/w when any of the following conditions is true:
@@ -1357,6 +1356,7 @@ static void ath_tx_send_ampdu(struct ath_softc *sc, struct ath_atx_tid *tid,
                  * Add this frame to software queue for scheduling later
                  * for aggregation.
                  */
+                TX_STAT_INC(txctl->txq->axq_qnum, a_queued_sw);
                 list_add_tail(&bf->list, &tid->buf_q);
                 ath_tx_queue_tid(txctl->txq, tid);
                 return;
@@ -1370,6 +1370,7 @@ static void ath_tx_send_ampdu(struct ath_softc *sc, struct ath_atx_tid *tid,
                 ath_tx_addto_baw(sc, tid, fi->seqno);
 
         /* Queue to h/w without aggregation */
+        TX_STAT_INC(txctl->txq->axq_qnum, a_queued_hw);
         bf->bf_lastbf = bf;
         ath_buf_set_rate(sc, bf, fi->framelen);
         ath_tx_txqaddbuf(sc, txctl->txq, &bf_head);