ath9k_htc: Add ethtool stats support.

This provides some of the same info found in
the ath9k_htc debugfs through the standard ethtool stats API.

This logic is only supported when ath9k_htc debugfs kernel
feature is enabled, since that is the only time stats
are actually gathered.

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

1 files changed, 14 insertions, 0 deletions

diff --git a/drivers/net/wireless/ath/ath9k/htc.h b/drivers/net/wireless/ath/ath9k/htc.h
index 6bd556d203ae..055d7c25e090 100644
--- a/drivers/net/wireless/ath/ath9k/htc.h
+++ b/drivers/net/wireless/ath/ath9k/htc.h
@@ -324,7 +324,9 @@ static inline struct ath9k_htc_tx_ctl *HTC_SKB_CB(struct sk_buff *skb)
 #ifdef CONFIG_ATH9K_HTC_DEBUGFS
 
 #define TX_STAT_INC(c) (hif_dev->htc_handle->drv_priv->debug.tx_stats.c++)
+#define TX_STAT_ADD(c, a) (hif_dev->htc_handle->drv_priv->debug.tx_stats.c += a)
 #define RX_STAT_INC(c) (hif_dev->htc_handle->drv_priv->debug.rx_stats.c++)
+#define RX_STAT_ADD(c, a) (hif_dev->htc_handle->drv_priv->debug.rx_stats.c += a)
 #define CAB_STAT_INC   priv->debug.tx_stats.cab_queued++
 
 #define TX_QSTAT_INC(q) (priv->debug.tx_stats.queue_stats[q]++)
@@ -337,6 +339,7 @@ struct ath_tx_stats {
         u32 buf_completed;
         u32 skb_queued;
         u32 skb_success;
+        u32 skb_success_bytes;
         u32 skb_failed;
         u32 cab_queued;
         u32 queue_stats[IEEE80211_NUM_ACS];
@@ -345,6 +348,7 @@ struct ath_tx_stats {
 struct ath_rx_stats {
         u32 skb_allocated;
         u32 skb_completed;
+        u32 skb_completed_bytes;
         u32 skb_dropped;
         u32 err_crc;
         u32 err_decrypt_crc;
@@ -362,10 +366,20 @@ struct ath9k_debug {
         struct ath_rx_stats rx_stats;
 };
 
+void ath9k_htc_get_et_strings(struct ieee80211_hw *hw,
+                              struct ieee80211_vif *vif,
+                              u32 sset, u8 *data);
+int ath9k_htc_get_et_sset_count(struct ieee80211_hw *hw,
+                                struct ieee80211_vif *vif, int sset);
+void ath9k_htc_get_et_stats(struct ieee80211_hw *hw,
+                            struct ieee80211_vif *vif,
+                            struct ethtool_stats *stats, u64 *data);
 #else
 
 #define TX_STAT_INC(c) do { } while (0)
+#define TX_STAT_ADD(c, a) do { } while (0)
 #define RX_STAT_INC(c) do { } while (0)
+#define RX_STAT_ADD(c, a) do { } while (0)
 #define CAB_STAT_INC   do { } while (0)
 
 #define TX_QSTAT_INC(c) do { } while (0)