ath9k: AR9380 PAPRD changes to improve tx performance

chromeos/compat-wireless/drivers/net/wireless/ath/ath9k/ath9k.h

 /*
  * Copyright (c) 2008-2009 Atheros Communications Inc.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
  * purpose with or without fee is hereby granted, provided that the above
  * copyright notice and this permission notice appear in all copies.
  *
  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
@@ skipping 208 matching lines @@
 
 struct ath_buf_state {
         int bfs_nframes;
         u16 bfs_al;
         u16 bfs_frmlen;
         int bfs_seqno;
         int bfs_tidno;
         int bfs_retries;
         u8 bf_type;
         u8 bfs_paprd;
-        unsigned long bfs_paprd_timestamp;
         u32 bfs_keyix;
         enum ath9k_key_type bfs_keytype;
 };
 
 struct ath_buf {
         struct list_head list;
         struct ath_buf *bf_lastbf;      /* last buf of this unit (a frame or
                                            an aggregate) */
         struct ath_buf *bf_next;        /* next subframe in the aggregate */
         struct sk_buff *bf_mpdu;        /* enclosing frame structure */
@@ skipping 314 matching lines @@
         struct ath_hw *sc_ah;
         void __iomem *mem;
         int irq;
         spinlock_t sc_serial_rw;
         spinlock_t sc_pm_lock;
         spinlock_t sc_pcu_lock;
         struct mutex mutex;
         struct work_struct paprd_work;
         struct work_struct hw_check_work;
         struct completion paprd_complete;
+        bool paprd_pending;
 
         u32 intrstatus;
         u32 sc_flags; /* SC_OP_* */
         u16 ps_flags; /* PS_* */
         u16 curtxpow;
         u8 nbcnvifs;
         u16 nvifs;
         bool ps_enabled;
         bool ps_idle;
         unsigned long ps_usecount;
@@ skipping 108 matching lines @@
 bool ath9k_all_wiphys_idle(struct ath_softc *sc);
 void ath9k_set_wiphy_idle(struct ath_wiphy *aphy, bool idle);
 
 void ath_mac80211_stop_queue(struct ath_softc *sc, u16 skb_queue);
 bool ath_mac80211_start_queue(struct ath_softc *sc, u16 skb_queue);
 
 void ath_start_rfkill_poll(struct ath_softc *sc);
 extern void ath9k_rfkill_poll_state(struct ieee80211_hw *hw);
 
 #endif /* ATH9K_H */