/*
* 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 "rc.h"
#include "dfs_debug.h"
struct ath_txq;
struct ath_buf;
struct fft_sample_tlv;
#ifdef CONFIG_ATH9K_DEBUGFS
#define TX_STAT_INC(q, c) sc->debug.stats.txstats[q].c++
#define RESET_STAT_INC(sc, type) sc->debug.stats.reset[type]++
#else
#define TX_STAT_INC(q, c) do { } while (0)
#define RESET_STAT_INC(sc, type) do { } while (0)
#endif
enum ath_reset_type {
RESET_TYPE_BB_HANG,
RESET_TYPE_BB_WATCHDOG,
RESET_TYPE_FATAL_INT,
RESET_TYPE_TX_ERROR,
RESET_TYPE_TX_HANG,
RESET_TYPE_PLL_HANG,
RESET_TYPE_MAC_HANG,
RESET_TYPE_BEACON_STUCK,
RESET_TYPE_MCI,
__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_queued_sw: Total AMPDUs queued to software queues
* @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_queued_sw;
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 { \
len += snprintf(buf + len, size - len, \
"%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)
#define RX_STAT_INC(c) (sc->debug.stats.rxstats.c++)
/**
* struct ath_rx_stats - RX Statistics
* @rx_pkts_all: No. of total frames received, including ones that
may have had errors.
* @rx_bytes_all: No. of total bytes received, including ones that
may have had errors.
* @crc_err: No. of frames with incorrect CRC value
* @decrypt_crc_err: No. of frames whose CRC check failed after
decryption process completed
* @phy_err: No. of frames whose reception failed because the PHY
encountered an error
* @mic_err: No. of frames with incorrect TKIP MIC verification failure
* @pre_delim_crc_err: Pre-Frame delimiter CRC error detections
* @post_delim_crc_err: Post-Frame delimiter CRC error detections
* @decrypt_busy_err: Decryption interruptions counter
* @phy_err_stats: Individual PHY error statistics
* @rx_len_err: No. of frames discarded due to bad length.
* @rx_oom_err: No. of frames dropped due to OOM issues.
* @rx_rate_err: No. of frames dropped due to rate errors.
* @rx_too_many_frags_err: Frames dropped due to too-many-frags received.
* @rx_beacons: No. of beacons received.
* @rx_frags: No. of rx-fragements received.
* @rx_spectral: No of spectral packets received.
*/
struct ath_rx_stats {
u32 rx_pkts_all;
u32 rx_bytes_all;
u32 crc_err;
u32 decrypt_crc_err;
u32 phy_err;
u32 mic_err;
u32 pre_delim_crc_err;
u32 post_delim_crc_err;
u32 decrypt_busy_err;
u32 phy_err_stats[ATH9K_PHYERR_MAX];
u32 rx_len_err;
u32 rx_oom_err;
u32 rx_rate_err;
u32 rx_too_many_frags_err;
u32 rx_beacons;
u32 rx_frags;
u32 rx_spectral;
};
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;
u32 reset[__RESET_TYPE_MAX];
};
#define ATH_DBG_MAX_SAMPLES 10
struct ath_dbg_bb_mac_samp {
u32 dma_dbg_reg_vals[ATH9K_NUM_DMA_DEBUG_REGS];
u32 pcu_obs, pcu_cr, noise;
struct {
u64 jiffies;
int8_t rssi_ctl0;
int8_t rssi_ctl1;
int8_t rssi_ctl2;
int8_t rssi_ext0;
int8_t rssi_ext1;
int8_t rssi_ext2;
int8_t rssi;
bool isok;
u8 rts_fail_cnt;
u8 data_fail_cnt;
u8 rateindex;
u8 qid;
u8 tid;
u32 ba_low;
u32 ba_high;
} ts[ATH_DBG_MAX_SAMPLES];
struct {
u64 jiffies;
int8_t rssi_ctl0;
int8_t rssi_ctl1;
int8_t rssi_ctl2;
int8_t rssi_ext0;
int8_t rssi_ext1;
int8_t rssi_ext2;
int8_t rssi;
bool is_mybeacon;
u8 antenna;
u8 rate;
} rs[ATH_DBG_MAX_SAMPLES];
struct ath_cycle_counters cc;
struct ath9k_nfcal_hist nfCalHist[NUM_NF_READINGS];
};
struct ath9k_debug {
struct dentry *debugfs_phy;
u32 regidx;
struct ath_stats stats;
#ifdef CONFIG_ATH9K_MAC_DEBUG
spinlock_t samp_lock;
struct ath_dbg_bb_mac_samp bb_mac_samp[ATH_DBG_MAX_SAMPLES];
u8 sampidx;
u8 tsidx;
u8 rsidx;
#endif
};
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_sta_remove_debugfs(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
struct ieee80211_sta *sta,
struct dentry *dir);
void ath_debug_send_fft_sample(struct ath_softc *sc,
struct fft_sample_tlv *fft_sample);
#else
#define RX_STAT_INC(c) /* NOP */
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)
{
}
#endif /* CONFIG_ATH9K_DEBUGFS */
#ifdef CONFIG_ATH9K_MAC_DEBUG
void ath9k_debug_samp_bb_mac(struct ath_softc *sc);
#else
static inline void ath9k_debug_samp_bb_mac(struct ath_softc *sc)
{
}
#endif
#endif /* DEBUG_H */
