| /* |
| * Copyright (c) 2008-2009 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" |
| |
| struct ath_txq; |
| struct ath_buf; |
| |
| #ifdef CONFIG_ATH9K_DEBUGFS |
| #define TX_STAT_INC(q, c) sc->debug.stats.txstats[q].c++ |
| #else |
| #define TX_STAT_INC(q, c) do { } while (0) |
| #endif |
| |
| #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 |
| * @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 |
| */ |
| struct ath_interrupt_stats { |
| u32 total; |
| u32 rxok; |
| 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; |
| }; |
| |
| struct ath_rc_stats { |
| u32 success; |
| u32 retries; |
| u32 xretries; |
| u8 per; |
| }; |
| |
| /** |
| * struct ath_tx_stats - Statistics about TX |
| * @queued: Total MPDUs (non-aggr) queued |
| * @completed: Total MPDUs (non-aggr) completed |
| * @a_aggr: Total no. of aggregates queued |
| * @a_queued: Total AMPDUs queued |
| * @a_completed: Total AMPDUs completed |
| * @a_retries: No. of AMPDUs retried (SW) |
| * @a_xretries: No. of AMPDUs dropped due to xretries |
| * @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 |
| */ |
| struct ath_tx_stats { |
| u32 queued; |
| u32 completed; |
| u32 a_aggr; |
| u32 a_queued; |
| u32 a_completed; |
| u32 a_retries; |
| u32 a_xretries; |
| u32 fifo_underrun; |
| u32 xtxop; |
| u32 timer_exp; |
| u32 desc_cfg_err; |
| u32 data_underrun; |
| u32 delim_underrun; |
| }; |
| |
| /** |
| * struct ath_rx_stats - RX Statistics |
| * @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 |
| */ |
| struct ath_rx_stats { |
| 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]; |
| }; |
| |
| struct ath_stats { |
| struct ath_interrupt_stats istats; |
| struct ath_rc_stats rcstats[RATE_TABLE_SIZE]; |
| struct ath_tx_stats txstats[ATH9K_NUM_TX_QUEUES]; |
| struct ath_rx_stats rxstats; |
| }; |
| |
| struct ath9k_debug { |
| struct dentry *debugfs_phy; |
| struct dentry *debugfs_debug; |
| struct dentry *debugfs_dma; |
| struct dentry *debugfs_interrupt; |
| struct dentry *debugfs_rcstat; |
| struct dentry *debugfs_wiphy; |
| struct dentry *debugfs_xmit; |
| struct dentry *debugfs_recv; |
| struct ath_stats stats; |
| }; |
| |
| int ath9k_init_debug(struct ath_hw *ah); |
| void ath9k_exit_debug(struct ath_hw *ah); |
| |
| int ath9k_debug_create_root(void); |
| void ath9k_debug_remove_root(void); |
| void ath_debug_stat_interrupt(struct ath_softc *sc, enum ath9k_int status); |
| void ath_debug_stat_rc(struct ath_softc *sc, int final_rate); |
| void ath_debug_stat_tx(struct ath_softc *sc, struct ath_txq *txq, |
| struct ath_buf *bf, struct ath_tx_status *ts); |
| void ath_debug_stat_rx(struct ath_softc *sc, struct ath_rx_status *rs); |
| void ath_debug_stat_retries(struct ath_softc *sc, int rix, |
| int xretries, int retries, u8 per); |
| |
| #else |
| |
| static inline int ath9k_init_debug(struct ath_hw *ah) |
| { |
| return 0; |
| } |
| |
| static inline void ath9k_exit_debug(struct ath_hw *ah) |
| { |
| } |
| |
| static inline int ath9k_debug_create_root(void) |
| { |
| return 0; |
| } |
| |
| static inline void ath9k_debug_remove_root(void) |
| { |
| } |
| |
| static inline void ath_debug_stat_interrupt(struct ath_softc *sc, |
| enum ath9k_int status) |
| { |
| } |
| |
| static inline void ath_debug_stat_rc(struct ath_softc *sc, |
| int final_rate) |
| { |
| } |
| |
| static inline void ath_debug_stat_tx(struct ath_softc *sc, |
| struct ath_txq *txq, |
| struct ath_buf *bf) |
| { |
| } |
| |
| static inline void ath_debug_stat_rx(struct ath_softc *sc, |
| struct ath_buf *bf) |
| { |
| } |
| |
| static inline void ath_debug_stat_retries(struct ath_softc *sc, int rix, |
| int xretries, int retries, u8 per) |
| { |
| } |
| |
| #endif /* CONFIG_ATH9K_DEBUGFS */ |
| |
| #endif /* DEBUG_H */ |