diff options
Diffstat (limited to 'drivers/net/wireless/ath/ath9k/debug.h')
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/debug.h | 380 |
1 files changed, 380 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/ath9k/debug.h b/drivers/net/wireless/ath/ath9k/debug.h new file mode 100644 index 0000000..d071cd6 --- /dev/null +++ b/drivers/net/wireless/ath/ath9k/debug.h @@ -0,0 +1,380 @@ +/* + * 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 CPTCFG_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 CPTCFG_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 CPTCFG_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 /* CPTCFG_ATH9K_DEBUGFS */ + +#ifdef CPTCFG_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 */ |