drivers/net/wireless/ath/ath9k/debug.h - linux - Git at Google

 /*
  * Copyright (c) 2008-2011 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
  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  */

 #ifndef DEBUG_H
 #define DEBUG_H

 #include "hw.h"
 #include "dfs_debug.h"

 struct ath_txq;
 struct ath_buf;
 struct fft_sample_tlv;

 #ifdef CONFIG_ATH9K_DEBUGFS
 #define TX_STAT_INC(sc, q, c)	 do { (sc)->debug.stats.txstats[q].c++; } while (0)
 #define RX_STAT_INC(sc, c)	 do { (sc)->debug.stats.rxstats.c++; } while (0)
 #define RESET_STAT_INC(sc, type) do { (sc)->debug.stats.reset[type]++; } while (0)
 #define ANT_STAT_INC(sc, i, c)	 do { (sc)->debug.stats.ant_stats[i].c++; } while (0)
 #define ANT_LNA_INC(sc, i, c)	 do { (sc)->debug.stats.ant_stats[i].lna_recv_cnt[c]++; } while (0)
 #else
 #define TX_STAT_INC(sc, q, c)	 do { (void)(sc); } while (0)
 #define RX_STAT_INC(sc, c)	 do { (void)(sc); } while (0)
 #define RESET_STAT_INC(sc, type) do { (void)(sc); } while (0)
 #define ANT_STAT_INC(sc, i, c)	 do { (void)(sc); } while (0)
 #define ANT_LNA_INC(sc, i, c)	 do { (void)(sc); } while (0)
 #endif

 enum ath_reset_type {
 	RESET_TYPE_USER,
 	RESET_TYPE_BB_HANG,
 	RESET_TYPE_BB_WATCHDOG,
 	RESET_TYPE_FATAL_INT,
 	RESET_TYPE_TX_ERROR,
 	RESET_TYPE_TX_GTT,
 	RESET_TYPE_TX_HANG,
 	RESET_TYPE_PLL_HANG,
 	RESET_TYPE_MAC_HANG,
 	RESET_TYPE_BEACON_STUCK,
 	RESET_TYPE_MCI,
 	RESET_TYPE_CALIBRATION,
 	RESET_TX_DMA_ERROR,
 	RESET_RX_DMA_ERROR,
 	__RESET_TYPE_MAX
 };

 #ifdef CONFIG_ATH9K_DEBUGFS

 /**
  * struct ath_interrupt_stats - Contains statistics about interrupts
  * @total: Total no. of interrupts generated so far
  * @rxok: RX with no errors
  * @rxlp: RX with low priority RX
  * @rxhp: RX with high priority, uapsd only
  * @rxeol: RX with no more RXDESC available
  * @rxorn: RX FIFO overrun
  * @txok: TX completed at the requested rate
  * @txurn: TX FIFO underrun
  * @mib: MIB regs reaching its threshold
  * @rxphyerr: RX with phy errors
  * @rx_keycache_miss: RX with key cache misses
  * @swba: Software Beacon Alert
  * @bmiss: Beacon Miss
  * @bnr: Beacon Not Ready
  * @cst: Carrier Sense TImeout
  * @gtt: Global TX Timeout
  * @tim: RX beacon TIM occurrence
  * @cabend: RX End of CAB traffic
  * @dtimsync: DTIM sync lossage
  * @dtim: RX Beacon with DTIM
  * @bb_watchdog: Baseband watchdog
  * @tsfoor: TSF out of range, indicates that the corrected TSF received
  * from a beacon differs from the PCU's internal TSF by more than a
  * (programmable) threshold
  * @local_timeout: Internal bus timeout.
  * @mci: MCI interrupt, specific to MCI based BTCOEX chipsets
  * @gen_timer: Generic hardware timer interrupt
  */
 struct ath_interrupt_stats {
 	u32 total;
 	u32 rxok;
 	u32 rxlp;
 	u32 rxhp;
 	u32 rxeol;
 	u32 rxorn;
 	u32 txok;
 	u32 txeol;
 	u32 txurn;
 	u32 mib;
 	u32 rxphyerr;
 	u32 rx_keycache_miss;
 	u32 swba;
 	u32 bmiss;
 	u32 bnr;
 	u32 cst;
 	u32 gtt;
 	u32 tim;
 	u32 cabend;
 	u32 dtimsync;
 	u32 dtim;
 	u32 bb_watchdog;
 	u32 tsfoor;
 	u32 mci;
 	u32 gen_timer;

 	/* Sync-cause stats */
 	u32 sync_cause_all;
 	u32 sync_rtc_irq;
 	u32 sync_mac_irq;
 	u32 eeprom_illegal_access;
 	u32 apb_timeout;
 	u32 pci_mode_conflict;
 	u32 host1_fatal;
 	u32 host1_perr;
 	u32 trcv_fifo_perr;
 	u32 radm_cpl_ep;
 	u32 radm_cpl_dllp_abort;
 	u32 radm_cpl_tlp_abort;
 	u32 radm_cpl_ecrc_err;
 	u32 radm_cpl_timeout;
 	u32 local_timeout;
 	u32 pm_access;
 	u32 mac_awake;
 	u32 mac_asleep;
 	u32 mac_sleep_access;
 };


 /**
  * struct ath_tx_stats - Statistics about TX
  * @tx_pkts_all:  No. of total frames transmitted, including ones that
 	may have had errors.
  * @tx_bytes_all:  No. of total bytes transmitted, including ones that
 	may have had errors.
  * @queued: Total MPDUs (non-aggr) queued
  * @completed: Total MPDUs (non-aggr) completed
  * @a_aggr: Total no. of aggregates queued
  * @a_queued_hw: Total AMPDUs queued to hardware
  * @a_completed: Total AMPDUs completed
  * @a_retries: No. of AMPDUs retried (SW)
  * @a_xretries: No. of AMPDUs dropped due to xretries
  * @txerr_filtered: No. of frames with TXERR_FILT flag set.
  * @fifo_underrun: FIFO underrun occurrences
 	Valid only for:
 		- non-aggregate condition.
 		- first packet of aggregate.
  * @xtxop: No. of frames filtered because of TXOP limit
  * @timer_exp: Transmit timer expiry
  * @desc_cfg_err: Descriptor configuration errors
  * @data_urn: TX data underrun errors
  * @delim_urn: TX delimiter underrun errors
  * @puttxbuf: Number of times hardware was given txbuf to write.
  * @txstart:  Number of times hardware was told to start tx.
  * @txprocdesc:  Number of times tx descriptor was processed
  * @txfailed:  Out-of-memory or other errors in xmit path.
  */
 struct ath_tx_stats {
 	u32 tx_pkts_all;
 	u32 tx_bytes_all;
 	u32 queued;
 	u32 completed;
 	u32 xretries;
 	u32 a_aggr;
 	u32 a_queued_hw;
 	u32 a_completed;
 	u32 a_retries;
 	u32 a_xretries;
 	u32 txerr_filtered;
 	u32 fifo_underrun;
 	u32 xtxop;
 	u32 timer_exp;
 	u32 desc_cfg_err;
 	u32 data_underrun;
 	u32 delim_underrun;
 	u32 puttxbuf;
 	u32 txstart;
 	u32 txprocdesc;
 	u32 txfailed;
 };

 /*
  * Various utility macros to print TX/Queue counters.
  */
 #define PR_QNUM(_n) sc->tx.txq_map[_n]->axq_qnum
 #define TXSTATS sc->debug.stats.txstats
 #define PR(str, elem)							\
 	do {								\
 		seq_printf(file, "%s%13u%11u%10u%10u\n", str,		\
 			   TXSTATS[PR_QNUM(IEEE80211_AC_BE)].elem,\
 			   TXSTATS[PR_QNUM(IEEE80211_AC_BK)].elem,\
 			   TXSTATS[PR_QNUM(IEEE80211_AC_VI)].elem,\
 			   TXSTATS[PR_QNUM(IEEE80211_AC_VO)].elem); \
 	} while(0)

 struct ath_rx_rate_stats {
 	struct {
 		u32 ht20_cnt;
 		u32 ht40_cnt;
 		u32 sgi_cnt;
 		u32 lgi_cnt;
 	} ht_stats[24];

 	struct {
 		u32 ofdm_cnt;
 	} ofdm_stats[8];

 	struct {
 		u32 cck_lp_cnt;
 		u32 cck_sp_cnt;
 	} cck_stats[4];
 };

 struct ath_airtime_stats {
 	u32 rx_airtime;
 	u32 tx_airtime;
 };

 #define ANT_MAIN 0
 #define ANT_ALT  1

 struct ath_antenna_stats {
 	u32 recv_cnt;
 	u32 rssi_avg;
 	u32 lna_recv_cnt[4];
 	u32 lna_attempt_cnt[4];
 };

 struct ath_stats {
 	struct ath_interrupt_stats istats;
 	struct ath_tx_stats txstats[ATH9K_NUM_TX_QUEUES];
 	struct ath_rx_stats rxstats;
 	struct ath_dfs_stats dfs_stats;
 	struct ath_antenna_stats ant_stats[2];
 	u32 reset[__RESET_TYPE_MAX];
 };

 struct ath9k_debug {
 	struct dentry *debugfs_phy;
 	u32 regidx;
 	struct ath_stats stats;
 };

 int ath9k_init_debug(struct ath_hw *ah);
 void ath9k_deinit_debug(struct ath_softc *sc);

 void ath_debug_stat_interrupt(struct ath_softc *sc, enum ath9k_int status);
 void ath_debug_stat_tx(struct ath_softc *sc, struct ath_buf *bf,
 		       struct ath_tx_status *ts, struct ath_txq *txq,
 		       unsigned int flags);
 void ath_debug_stat_rx(struct ath_softc *sc, struct ath_rx_status *rs);
 int ath9k_get_et_sset_count(struct ieee80211_hw *hw,
 			    struct ieee80211_vif *vif, int sset);
 void ath9k_get_et_stats(struct ieee80211_hw *hw,
 			struct ieee80211_vif *vif,
 			struct ethtool_stats *stats, u64 *data);
 void ath9k_get_et_strings(struct ieee80211_hw *hw,
 			  struct ieee80211_vif *vif,
 			  u32 sset, u8 *data);
 void ath9k_sta_add_debugfs(struct ieee80211_hw *hw,
 			   struct ieee80211_vif *vif,
 			   struct ieee80211_sta *sta,
 			   struct dentry *dir);
 void ath9k_debug_stat_ant(struct ath_softc *sc,
 			  struct ath_hw_antcomb_conf *div_ant_conf,
 			  int main_rssi_avg, int alt_rssi_avg);
 void ath9k_debug_sync_cause(struct ath_softc *sc, u32 sync_cause);

 #else

 static inline int ath9k_init_debug(struct ath_hw *ah)
 {
 	return 0;
 }

 static inline void ath9k_deinit_debug(struct ath_softc *sc)
 {
 }
 static inline void ath_debug_stat_interrupt(struct ath_softc *sc,
 					    enum ath9k_int status)
 {
 }
 static inline void ath_debug_stat_tx(struct ath_softc *sc,
 				     struct ath_buf *bf,
 				     struct ath_tx_status *ts,
 				     struct ath_txq *txq,
 				     unsigned int flags)
 {
 }
 static inline void ath_debug_stat_rx(struct ath_softc *sc,
 				     struct ath_rx_status *rs)
 {
 }
 static inline void ath9k_debug_stat_ant(struct ath_softc *sc,
 					struct ath_hw_antcomb_conf *div_ant_conf,
 					int main_rssi_avg, int alt_rssi_avg)
 {

 }

 static inline void
 ath9k_debug_sync_cause(struct ath_softc *sc, u32 sync_cause)
 {
 }

 #endif /* CONFIG_ATH9K_DEBUGFS */

 #ifdef CONFIG_ATH9K_STATION_STATISTICS
 void ath_debug_rate_stats(struct ath_softc *sc,
 			  struct ath_rx_status *rs,
 			  struct sk_buff *skb);
 #else
 static inline void ath_debug_rate_stats(struct ath_softc *sc,
 					struct ath_rx_status *rs,
 					struct sk_buff *skb)
 {
 }
 #endif /* CONFIG_ATH9K_STATION_STATISTICS */

 #endif /* DEBUG_H */
	/*
	* Copyright (c) 2008-2011 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
	* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
	* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
	* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
	* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
	*/

	#ifndef DEBUG_H
	#define DEBUG_H

	#include "hw.h"
	#include "dfs_debug.h"

	struct ath_txq;
	struct ath_buf;
	struct fft_sample_tlv;

	#ifdef CONFIG_ATH9K_DEBUGFS
	#define TX_STAT_INC(sc, q, c) do { (sc)->debug.stats.txstats[q].c++; } while (0)
	#define RX_STAT_INC(sc, c) do { (sc)->debug.stats.rxstats.c++; } while (0)
	#define RESET_STAT_INC(sc, type) do { (sc)->debug.stats.reset[type]++; } while (0)
	#define ANT_STAT_INC(sc, i, c) do { (sc)->debug.stats.ant_stats[i].c++; } while (0)
	#define ANT_LNA_INC(sc, i, c) do { (sc)->debug.stats.ant_stats[i].lna_recv_cnt[c]++; } while (0)
	#else
	#define TX_STAT_INC(sc, q, c) do { (void)(sc); } while (0)
	#define RX_STAT_INC(sc, c) do { (void)(sc); } while (0)
	#define RESET_STAT_INC(sc, type) do { (void)(sc); } while (0)
	#define ANT_STAT_INC(sc, i, c) do { (void)(sc); } while (0)
	#define ANT_LNA_INC(sc, i, c) do { (void)(sc); } while (0)
	#endif

	enum ath_reset_type {
	RESET_TYPE_USER,
	RESET_TYPE_BB_HANG,
	RESET_TYPE_BB_WATCHDOG,
	RESET_TYPE_FATAL_INT,
	RESET_TYPE_TX_ERROR,
	RESET_TYPE_TX_GTT,
	RESET_TYPE_TX_HANG,
	RESET_TYPE_PLL_HANG,
	RESET_TYPE_MAC_HANG,
	RESET_TYPE_BEACON_STUCK,
	RESET_TYPE_MCI,
	RESET_TYPE_CALIBRATION,
	RESET_TX_DMA_ERROR,
	RESET_RX_DMA_ERROR,
	__RESET_TYPE_MAX
	};

	#ifdef CONFIG_ATH9K_DEBUGFS

	/**
	* struct ath_interrupt_stats - Contains statistics about interrupts
	* @total: Total no. of interrupts generated so far
	* @rxok: RX with no errors
	* @rxlp: RX with low priority RX
	* @rxhp: RX with high priority, uapsd only
	* @rxeol: RX with no more RXDESC available
	* @rxorn: RX FIFO overrun
	* @txok: TX completed at the requested rate
	* @txurn: TX FIFO underrun
	* @mib: MIB regs reaching its threshold
	* @rxphyerr: RX with phy errors
	* @rx_keycache_miss: RX with key cache misses
	* @swba: Software Beacon Alert
	* @bmiss: Beacon Miss
	* @bnr: Beacon Not Ready
	* @cst: Carrier Sense TImeout
	* @gtt: Global TX Timeout
	* @tim: RX beacon TIM occurrence
	* @cabend: RX End of CAB traffic
	* @dtimsync: DTIM sync lossage
	* @dtim: RX Beacon with DTIM
	* @bb_watchdog: Baseband watchdog
	* @tsfoor: TSF out of range, indicates that the corrected TSF received
	* from a beacon differs from the PCU's internal TSF by more than a
	* (programmable) threshold
	* @local_timeout: Internal bus timeout.
	* @mci: MCI interrupt, specific to MCI based BTCOEX chipsets
	* @gen_timer: Generic hardware timer interrupt
	*/
	struct ath_interrupt_stats {
	u32 total;
	u32 rxok;
	u32 rxlp;
	u32 rxhp;
	u32 rxeol;
	u32 rxorn;
	u32 txok;
	u32 txeol;
	u32 txurn;
	u32 mib;
	u32 rxphyerr;
	u32 rx_keycache_miss;
	u32 swba;
	u32 bmiss;
	u32 bnr;
	u32 cst;
	u32 gtt;
	u32 tim;
	u32 cabend;
	u32 dtimsync;
	u32 dtim;
	u32 bb_watchdog;
	u32 tsfoor;
	u32 mci;
	u32 gen_timer;

	/* Sync-cause stats */
	u32 sync_cause_all;
	u32 sync_rtc_irq;
	u32 sync_mac_irq;
	u32 eeprom_illegal_access;
	u32 apb_timeout;
	u32 pci_mode_conflict;
	u32 host1_fatal;
	u32 host1_perr;
	u32 trcv_fifo_perr;
	u32 radm_cpl_ep;
	u32 radm_cpl_dllp_abort;
	u32 radm_cpl_tlp_abort;
	u32 radm_cpl_ecrc_err;
	u32 radm_cpl_timeout;
	u32 local_timeout;
	u32 pm_access;
	u32 mac_awake;
	u32 mac_asleep;
	u32 mac_sleep_access;
	};


	/**
	* struct ath_tx_stats - Statistics about TX
	* @tx_pkts_all: No. of total frames transmitted, including ones that
	may have had errors.
	* @tx_bytes_all: No. of total bytes transmitted, including ones that
	may have had errors.
	* @queued: Total MPDUs (non-aggr) queued
	* @completed: Total MPDUs (non-aggr) completed
	* @a_aggr: Total no. of aggregates queued
	* @a_queued_hw: Total AMPDUs queued to hardware
	* @a_completed: Total AMPDUs completed
	* @a_retries: No. of AMPDUs retried (SW)
	* @a_xretries: No. of AMPDUs dropped due to xretries
	* @txerr_filtered: No. of frames with TXERR_FILT flag set.
	* @fifo_underrun: FIFO underrun occurrences
	Valid only for:
	- non-aggregate condition.
	- first packet of aggregate.
	* @xtxop: No. of frames filtered because of TXOP limit
	* @timer_exp: Transmit timer expiry
	* @desc_cfg_err: Descriptor configuration errors
	* @data_urn: TX data underrun errors
	* @delim_urn: TX delimiter underrun errors
	* @puttxbuf: Number of times hardware was given txbuf to write.
	* @txstart: Number of times hardware was told to start tx.
	* @txprocdesc: Number of times tx descriptor was processed
	* @txfailed: Out-of-memory or other errors in xmit path.
	*/
	struct ath_tx_stats {
	u32 tx_pkts_all;
	u32 tx_bytes_all;
	u32 queued;
	u32 completed;
	u32 xretries;
	u32 a_aggr;
	u32 a_queued_hw;
	u32 a_completed;
	u32 a_retries;
	u32 a_xretries;
	u32 txerr_filtered;
	u32 fifo_underrun;
	u32 xtxop;
	u32 timer_exp;
	u32 desc_cfg_err;
	u32 data_underrun;
	u32 delim_underrun;
	u32 puttxbuf;
	u32 txstart;
	u32 txprocdesc;
	u32 txfailed;
	};

	/*
	* Various utility macros to print TX/Queue counters.
	*/
	#define PR_QNUM(_n) sc->tx.txq_map[_n]->axq_qnum
	#define TXSTATS sc->debug.stats.txstats
	#define PR(str, elem) \
	do { \
	seq_printf(file, "%s%13u%11u%10u%10u\n", str, \
	TXSTATS[PR_QNUM(IEEE80211_AC_BE)].elem,\
	TXSTATS[PR_QNUM(IEEE80211_AC_BK)].elem,\
	TXSTATS[PR_QNUM(IEEE80211_AC_VI)].elem,\
	TXSTATS[PR_QNUM(IEEE80211_AC_VO)].elem); \
	} while(0)

	struct ath_rx_rate_stats {
	struct {
	u32 ht20_cnt;
	u32 ht40_cnt;
	u32 sgi_cnt;
	u32 lgi_cnt;
	} ht_stats[24];

	struct {
	u32 ofdm_cnt;
	} ofdm_stats[8];

	struct {
	u32 cck_lp_cnt;
	u32 cck_sp_cnt;
	} cck_stats[4];
	};

	struct ath_airtime_stats {
	u32 rx_airtime;
	u32 tx_airtime;
	};

	#define ANT_MAIN 0
	#define ANT_ALT 1

	struct ath_antenna_stats {
	u32 recv_cnt;
	u32 rssi_avg;
	u32 lna_recv_cnt[4];
	u32 lna_attempt_cnt[4];
	};

	struct ath_stats {
	struct ath_interrupt_stats istats;
	struct ath_tx_stats txstats[ATH9K_NUM_TX_QUEUES];
	struct ath_rx_stats rxstats;
	struct ath_dfs_stats dfs_stats;
	struct ath_antenna_stats ant_stats[2];
	u32 reset[__RESET_TYPE_MAX];
	};

	struct ath9k_debug {
	struct dentry *debugfs_phy;
	u32 regidx;
	struct ath_stats stats;
	};

	int ath9k_init_debug(struct ath_hw *ah);
	void ath9k_deinit_debug(struct ath_softc *sc);

	void ath_debug_stat_interrupt(struct ath_softc *sc, enum ath9k_int status);
	void ath_debug_stat_tx(struct ath_softc sc, struct ath_buf bf,
	struct ath_tx_status ts, struct ath_txq txq,
	unsigned int flags);
	void ath_debug_stat_rx(struct ath_softc sc, struct ath_rx_status rs);
	int ath9k_get_et_sset_count(struct ieee80211_hw *hw,
	struct ieee80211_vif *vif, int sset);
	void ath9k_get_et_stats(struct ieee80211_hw *hw,
	struct ieee80211_vif *vif,
	struct ethtool_stats stats, u64 data);
	void ath9k_get_et_strings(struct ieee80211_hw *hw,
	struct ieee80211_vif *vif,
	u32 sset, u8 *data);
	void ath9k_sta_add_debugfs(struct ieee80211_hw *hw,
	struct ieee80211_vif *vif,
	struct ieee80211_sta *sta,
	struct dentry *dir);
	void ath9k_debug_stat_ant(struct ath_softc *sc,
	struct ath_hw_antcomb_conf *div_ant_conf,
	int main_rssi_avg, int alt_rssi_avg);
	void ath9k_debug_sync_cause(struct ath_softc *sc, u32 sync_cause);

	#else

	static inline int ath9k_init_debug(struct ath_hw *ah)
	{
	return 0;
	}

	static inline void ath9k_deinit_debug(struct ath_softc *sc)
	{
	}
	static inline void ath_debug_stat_interrupt(struct ath_softc *sc,
	enum ath9k_int status)
	{
	}
	static inline void ath_debug_stat_tx(struct ath_softc *sc,
	struct ath_buf *bf,
	struct ath_tx_status *ts,
	struct ath_txq *txq,
	unsigned int flags)
	{
	}
	static inline void ath_debug_stat_rx(struct ath_softc *sc,
	struct ath_rx_status *rs)
	{
	}
	static inline void ath9k_debug_stat_ant(struct ath_softc *sc,
	struct ath_hw_antcomb_conf *div_ant_conf,
	int main_rssi_avg, int alt_rssi_avg)
	{

	}

	static inline void
	ath9k_debug_sync_cause(struct ath_softc *sc, u32 sync_cause)
	{
	}

	#endif /* CONFIG_ATH9K_DEBUGFS */

	#ifdef CONFIG_ATH9K_STATION_STATISTICS
	void ath_debug_rate_stats(struct ath_softc *sc,
	struct ath_rx_status *rs,
	struct sk_buff *skb);
	#else
	static inline void ath_debug_rate_stats(struct ath_softc *sc,
	struct ath_rx_status *rs,
	struct sk_buff *skb)
	{
	}
	#endif /* CONFIG_ATH9K_STATION_STATISTICS */

	#endif /* DEBUG_H */