/*
* 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_RX_INACTIVE,
__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 */
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