ath9k: Keep track of stations for debugfs.

The stations hold the ath_node, which holds the tid
and other xmit logic structures.  In order to debug
stuck xmit logic, we need a way to print out the tid
state for the stations.

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

1 files changed, 6 insertions, 1 deletions

diff --git a/drivers/net/wireless/ath/ath9k/ath9k.h b/drivers/net/wireless/ath/ath9k/ath9k.h
index aadb5de9ac76..d4640117fa8c 100644
--- a/drivers/net/wireless/ath/ath9k/ath9k.h
+++ b/drivers/net/wireless/ath/ath9k/ath9k.h
@@ -254,7 +254,10 @@ struct ath_atx_tid {
 };
 
 struct ath_node {
-        struct ath_common *common;
+#ifdef CONFIG_ATH9K_DEBUGFS
+        struct list_head list; /* for sc->nodes */
+        struct ieee80211_sta *sta; /* station struct we're part of */
+#endif
         struct ath_atx_tid tid[WME_NUM_TID];
         struct ath_atx_ac ac[WME_NUM_AC];
         u16 maxampdu;
@@ -638,6 +641,8 @@ struct ath_softc {
 
 #ifdef CONFIG_ATH9K_DEBUGFS
         struct ath9k_debug debug;
+        spinlock_t nodes_lock;
+        struct list_head nodes; /* basically, stations */
 #endif
         struct ath_beacon_config cur_beacon_conf;
         struct delayed_work tx_complete_work;