wireless: Set some stats used by /proc/net/wireless (wext)

Some stats for /proc/net/wireless (and wext in general) are not
being set.  This patch addresses a few of those with values easily
obtained from mac80211 core.

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

3 files changed, 11 insertions, 1 deletions

diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h
index 0778d04b3bbe..f920a06f363e 100644
--- a/include/net/cfg80211.h
+++ b/include/net/cfg80211.h
@@ -403,6 +403,7 @@ struct station_parameters {
  * @STATION_INFO_TX_PACKETS: @tx_packets filled
  * @STATION_INFO_TX_RETRIES: @tx_retries filled
  * @STATION_INFO_TX_FAILED: @tx_failed filled
+ * @STATION_INFO_RX_DROP_MISC: @rx_dropped_misc filled
  */
 enum station_info_flags {
         STATION_INFO_INACTIVE_TIME      = 1<<0,
@@ -417,6 +418,7 @@ enum station_info_flags {
         STATION_INFO_TX_PACKETS         = 1<<9,
         STATION_INFO_TX_RETRIES         = 1<<10,
         STATION_INFO_TX_FAILED          = 1<<11,
+        STATION_INFO_RX_DROP_MISC       = 1<<12,
 };
 
 /**
@@ -468,6 +470,7 @@ struct rate_info {
  * @tx_packets: packets transmitted to this station
  * @tx_retries: cumulative retry counts
  * @tx_failed: number of failed transmissions (retries exceeded, no ACK)
+ * @rx_dropped_misc:  Dropped for un-specified reason.
  * @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
@@ -487,6 +490,7 @@ struct station_info {
         u32 tx_packets;
         u32 tx_retries;
         u32 tx_failed;
+        u32 rx_dropped_misc;
 
         int generation;
 };
diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index ecf9b7166ed1..25fb351e00f8 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -329,7 +329,8 @@ static void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo)
                         STATION_INFO_TX_PACKETS |
                         STATION_INFO_TX_RETRIES |
                         STATION_INFO_TX_FAILED |
-                        STATION_INFO_TX_BITRATE;
+                        STATION_INFO_TX_BITRATE |
+                        STATION_INFO_RX_DROP_MISC;
 
         sinfo->inactive_time = jiffies_to_msecs(jiffies - sta->last_rx);
         sinfo->rx_bytes = sta->rx_bytes;
@@ -338,6 +339,7 @@ static void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo)
         sinfo->tx_packets = sta->tx_packets;
         sinfo->tx_retries = sta->tx_retry_count;
         sinfo->tx_failed = sta->tx_retry_failed;
+        sinfo->rx_dropped_misc = sta->rx_dropped;
 
         if ((sta->local->hw.flags & IEEE80211_HW_SIGNAL_DBM) ||
             (sta->local->hw.flags & IEEE80211_HW_SIGNAL_UNSPEC)) {
diff --git a/net/wireless/wext-compat.c b/net/wireless/wext-compat.c
index 6002265289c6..12222ee6ebf2 100644
--- a/net/wireless/wext-compat.c
+++ b/net/wireless/wext-compat.c
@@ -1366,6 +1366,10 @@ struct iw_statistics *cfg80211_wireless_stats(struct net_device *dev)
         }
 
         wstats.qual.updated |= IW_QUAL_NOISE_INVALID;
+        if (sinfo.filled & STATION_INFO_RX_DROP_MISC)
+                wstats.discard.misc = sinfo.rx_dropped_misc;
+        if (sinfo.filled & STATION_INFO_TX_FAILED)
+                wstats.discard.retries = sinfo.tx_failed;
 
         return &wstats;
 }