diff --git a/drivers/net/wireless/ath/ath9k/ani.c b/drivers/net/wireless/ath/ath9k/ani.c
index 66d0b88..28a1dc3 100644
--- a/drivers/net/wireless/ath/ath9k/ani.c
+++ b/drivers/net/wireless/ath/ath9k/ani.c
@@ -17,6 +17,12 @@
 #include "hw.h"
 #include "hw-ops.h"
 
+/* Private to ani.c */
+static inline void ath9k_hw_ani_lower_immunity(struct ath_hw *ah)
+{
+	ath9k_hw_private_ops(ah)->ani_lower_immunity(ah);
+}
+
 static int ath9k_hw_get_ani_channel_idx(struct ath_hw *ah,
 					struct ath9k_channel *chan)
 {
@@ -206,7 +212,7 @@
 	}
 }
 
-static void ath9k_hw_ani_lower_immunity(struct ath_hw *ah)
+static void ath9k_hw_ani_lower_immunity_old(struct ath_hw *ah)
 {
 	struct ar5416AniState *aniState;
 	int32_t rssi;
@@ -316,7 +322,7 @@
 	return listenTime;
 }
 
-void ath9k_ani_reset(struct ath_hw *ah)
+static void ath9k_ani_reset_old(struct ath_hw *ah)
 {
 	struct ar5416AniState *aniState;
 	struct ath9k_channel *chan = ah->curchan;
@@ -402,8 +408,8 @@
 	DISABLE_REGWRITE_BUFFER(ah);
 }
 
-void ath9k_hw_ani_monitor(struct ath_hw *ah,
-			  struct ath9k_channel *chan)
+static void ath9k_hw_ani_monitor_old(struct ath_hw *ah,
+				     struct ath9k_channel *chan)
 {
 	struct ar5416AniState *aniState;
 	struct ath_common *common = ath9k_hw_common(ah);
@@ -487,7 +493,6 @@
 		}
 	}
 }
-EXPORT_SYMBOL(ath9k_hw_ani_monitor);
 
 void ath9k_enable_mib_counters(struct ath_hw *ah)
 {
@@ -572,7 +577,7 @@
  * any of the MIB counters overflow/trigger so don't assume we're
  * here because a PHY error counter triggered.
  */
-void ath9k_hw_procmibevent(struct ath_hw *ah)
+static void ath9k_hw_proc_mib_event_old(struct ath_hw *ah)
 {
 	u32 phyCnt1, phyCnt2;
 
@@ -628,7 +633,6 @@
 		ath9k_ani_restart(ah);
 	}
 }
-EXPORT_SYMBOL(ath9k_hw_procmibevent);
 
 void ath9k_hw_ani_setup(struct ath_hw *ah)
 {
@@ -694,3 +698,15 @@
 	if (ah->config.enable_ani)
 		ah->proc_phyerr |= HAL_PROCESS_ANI;
 }
+
+void ath9k_hw_attach_ani_ops_old(struct ath_hw *ah)
+{
+	struct ath_hw_private_ops *priv_ops = ath9k_hw_private_ops(ah);
+	struct ath_hw_ops *ops = ath9k_hw_ops(ah);
+
+	priv_ops->ani_reset = ath9k_ani_reset_old;
+	priv_ops->ani_lower_immunity = ath9k_hw_ani_lower_immunity_old;
+
+	ops->ani_proc_mib_event = ath9k_hw_proc_mib_event_old;
+	ops->ani_monitor = ath9k_hw_ani_monitor_old;
+}
diff --git a/drivers/net/wireless/ath/ath9k/ani.h b/drivers/net/wireless/ath/ath9k/ani.h
index 3356762..4631ab2 100644
--- a/drivers/net/wireless/ath/ath9k/ani.h
+++ b/drivers/net/wireless/ath/ath9k/ani.h
@@ -108,14 +108,10 @@
 };
 #define ah_mibStats stats.ast_mibstats
 
-void ath9k_ani_reset(struct ath_hw *ah);
-void ath9k_hw_ani_monitor(struct ath_hw *ah,
-			  struct ath9k_channel *chan);
 void ath9k_enable_mib_counters(struct ath_hw *ah);
 void ath9k_hw_disable_mib_counters(struct ath_hw *ah);
 u32 ath9k_hw_GetMibCycleCountsPct(struct ath_hw *ah, u32 *rxc_pcnt,
 				  u32 *rxf_pcnt, u32 *txf_pcnt);
-void ath9k_hw_procmibevent(struct ath_hw *ah);
 void ath9k_hw_ani_setup(struct ath_hw *ah);
 void ath9k_hw_ani_init(struct ath_hw *ah);
 
diff --git a/drivers/net/wireless/ath/ath9k/ar9002_hw.c b/drivers/net/wireless/ath/ath9k/ar9002_hw.c
index 7ba9dd6..917eae0 100644
--- a/drivers/net/wireless/ath/ath9k/ar9002_hw.c
+++ b/drivers/net/wireless/ath/ath9k/ar9002_hw.c
@@ -636,4 +636,6 @@
 
 	ar9002_hw_attach_calib_ops(ah);
 	ar9002_hw_attach_mac_ops(ah);
+
+	ath9k_hw_attach_ani_ops_old(ah);
 }
diff --git a/drivers/net/wireless/ath/ath9k/ar9003_hw.c b/drivers/net/wireless/ath/ath9k/ar9003_hw.c
index 863f61e..b757470 100644
--- a/drivers/net/wireless/ath/ath9k/ar9003_hw.c
+++ b/drivers/net/wireless/ath/ath9k/ar9003_hw.c
@@ -313,4 +313,6 @@
 	ar9003_hw_attach_phy_ops(ah);
 	ar9003_hw_attach_calib_ops(ah);
 	ar9003_hw_attach_mac_ops(ah);
+
+	ath9k_hw_attach_ani_ops_old(ah);
 }
diff --git a/drivers/net/wireless/ath/ath9k/hw-ops.h b/drivers/net/wireless/ath/ath9k/hw-ops.h
index 624422a..65d2c66 100644
--- a/drivers/net/wireless/ath/ath9k/hw-ops.h
+++ b/drivers/net/wireless/ath/ath9k/hw-ops.h
@@ -128,6 +128,17 @@
 	ath9k_hw_ops(ah)->set11n_virtualmorefrag(ah, ds, vmf);
 }
 
+static inline void ath9k_hw_procmibevent(struct ath_hw *ah)
+{
+	ath9k_hw_ops(ah)->ani_proc_mib_event(ah);
+}
+
+static inline void ath9k_hw_ani_monitor(struct ath_hw *ah,
+					struct ath9k_channel *chan)
+{
+	ath9k_hw_ops(ah)->ani_monitor(ah, chan);
+}
+
 /* Private hardware call ops */
 
 /* PHY ops */
@@ -277,4 +288,9 @@
 	return ath9k_hw_private_ops(ah)->iscal_supported(ah, calType);
 }
 
+static inline void ath9k_ani_reset(struct ath_hw *ah)
+{
+	ath9k_hw_private_ops(ah)->ani_reset(ah);
+}
+
 #endif /* ATH9K_HW_OPS_H */
diff --git a/drivers/net/wireless/ath/ath9k/hw.h b/drivers/net/wireless/ath/ath9k/hw.h
index 3a28cdc..a207a70 100644
--- a/drivers/net/wireless/ath/ath9k/hw.h
+++ b/drivers/net/wireless/ath/ath9k/hw.h
@@ -511,6 +511,15 @@
  * @setup_calibration: set up calibration
  * @iscal_supported: used to query if a type of calibration is supported
  * @loadnf: load noise floor read from each chain on the CCA registers
+ *
+ * @ani_reset: reset ANI parameters to default values
+ * @ani_lower_immunity: lower the noise immunity level. The level controls
+ *	the power-based packet detection on hardware. If a power jump is
+ *	detected the adapter takes it as an indication that a packet has
+ *	arrived. The level ranges from 0-5. Each level corresponds to a
+ *	few dB more of noise immunity. If you have a strong time-varying
+ *	interference that is causing false detections (OFDM timing errors or
+ *	CCK timing errors) the level can be increased.
  */
 struct ath_hw_private_ops {
 	/* Calibration ops */
@@ -554,6 +563,10 @@
 			    int param);
 	void (*do_getnf)(struct ath_hw *ah, int16_t nfarray[NUM_NF_READINGS]);
 	void (*loadnf)(struct ath_hw *ah, struct ath9k_channel *chan);
+
+	/* ANI */
+	void (*ani_reset)(struct ath_hw *ah);
+	void (*ani_lower_immunity)(struct ath_hw *ah);
 };
 
 /**
@@ -564,6 +577,11 @@
  *
  * @config_pci_powersave:
  * @calibrate: periodic calibration for NF, ANI, IQ, ADC gain, ADC-DC
+ *
+ * @ani_proc_mib_event: process MIB events, this would happen upon specific ANI
+ *	thresholds being reached or having overflowed.
+ * @ani_monitor: called periodically by the core driver to collect
+ *	MIB stats and adjust ANI if specific thresholds have been reached.
  */
 struct ath_hw_ops {
 	void (*config_pci_powersave)(struct ath_hw *ah,
@@ -604,6 +622,9 @@
 				     u32 burstDuration);
 	void (*set11n_virtualmorefrag)(struct ath_hw *ah, void *ds,
 				       u32 vmf);
+
+	void (*ani_proc_mib_event)(struct ath_hw *ah);
+	void (*ani_monitor)(struct ath_hw *ah, struct ath9k_channel *chan);
 };
 
 struct ath_hw {
@@ -934,6 +955,14 @@
 void ar9002_hw_attach_ops(struct ath_hw *ah);
 void ar9003_hw_attach_ops(struct ath_hw *ah);
 
+/*
+ * ANI work can be shared between all families but a next
+ * generation implementation of ANI will be used only for AR9003 only
+ * for now as the other families still need to be tested with the same
+ * next generation ANI.
+ */
+void ath9k_hw_attach_ani_ops_old(struct ath_hw *ah);
+
 #define ATH_PCIE_CAP_LINK_CTRL	0x70
 #define ATH_PCIE_CAP_LINK_L0S	1
 #define ATH_PCIE_CAP_LINK_L1	2
diff --git a/drivers/net/wireless/ath/ath9k/mac.c b/drivers/net/wireless/ath/ath9k/mac.c
index 0e425cb..b4d0198 100644
--- a/drivers/net/wireless/ath/ath9k/mac.c
+++ b/drivers/net/wireless/ath/ath9k/mac.c
@@ -15,6 +15,7 @@
  */
 
 #include "hw.h"
+#include "hw-ops.h"
 
 static void ath9k_hw_set_txq_interrupts(struct ath_hw *ah,
 					struct ath9k_tx_queue_info *qi)