nl80211/mac80211: Add retry and failed transmission count to station info

This information is already available in mac80211, we just need to export it
via cfg80211 and nl80211.

Signed-off-by: Bruno Randolf <br1@einfach.org>
Acked-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

2 files changed, 12 insertions, 0 deletions

diff --git a/include/linux/nl80211.h b/include/linux/nl80211.h
index e451f176e662..c08709fe36fc 100644
--- a/include/linux/nl80211.h
+++ b/include/linux/nl80211.h
@@ -1137,6 +1137,8 @@ enum nl80211_rate_info {
  * @NL80211_STA_INFO_RX_PACKETS: total received packet (u32, from this station)
  * @NL80211_STA_INFO_TX_PACKETS: total transmitted packets (u32, to this
  *      station)
+ * @NL80211_STA_INFO_TX_RETRIES: total retries (u32, to this station)
+ * @NL80211_STA_INFO_TX_FAILED: total failed packets (u32, to this station)
  */
 enum nl80211_sta_info {
         __NL80211_STA_INFO_INVALID,
@@ -1150,6 +1152,8 @@ enum nl80211_sta_info {
         NL80211_STA_INFO_TX_BITRATE,
         NL80211_STA_INFO_RX_PACKETS,
         NL80211_STA_INFO_TX_PACKETS,
+        NL80211_STA_INFO_TX_RETRIES,
+        NL80211_STA_INFO_TX_FAILED,
 
         /* keep last */
         __NL80211_STA_INFO_AFTER_LAST,
diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h
index 0f77515266b8..e76daaa7dc25 100644
--- a/include/net/cfg80211.h
+++ b/include/net/cfg80211.h
@@ -401,6 +401,8 @@ struct station_parameters {
  *  (tx_bitrate, tx_bitrate_flags and tx_bitrate_mcs)
  * @STATION_INFO_RX_PACKETS: @rx_packets filled
  * @STATION_INFO_TX_PACKETS: @tx_packets filled
+ * @STATION_INFO_TX_RETRIES: @tx_retries filled
+ * @STATION_INFO_TX_FAILED: @tx_failed filled
  */
 enum station_info_flags {
         STATION_INFO_INACTIVE_TIME      = 1<<0,
@@ -413,6 +415,8 @@ enum station_info_flags {
         STATION_INFO_TX_BITRATE         = 1<<7,
         STATION_INFO_RX_PACKETS         = 1<<8,
         STATION_INFO_TX_PACKETS         = 1<<9,
+        STATION_INFO_TX_RETRIES         = 1<<10,
+        STATION_INFO_TX_FAILED          = 1<<11,
 };
 
 /**
@@ -462,6 +466,8 @@ struct rate_info {
  * @txrate: current unicast bitrate to this station
  * @rx_packets: packets received from this station
  * @tx_packets: packets transmitted to this station
+ * @tx_retries: cumulative retry counts
+ * @tx_failed: number of failed transmissions (retries exceeded, no ACK)
  * @generation: generation number for nl80211 dumps.
  *      This number should increase every time the list of stations
  *      changes, i.e. when a station is added or removed, so that
@@ -479,6 +485,8 @@ struct station_info {
         struct rate_info txrate;
         u32 rx_packets;
         u32 tx_packets;
+        u32 tx_retries;
+        u32 tx_failed;
 
         int generation;
 };