2 * Copyright (c) 2008-2009 Atheros Communications Inc.
4 * Permission to use, copy, modify, and/or distribute this software for any
5 * purpose with or without fee is hereby granted, provided that the above
6 * copyright notice and this permission notice appear in all copies.
8 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
26 #ifdef CONFIG_ATH9K_DEBUGFS
27 #define TX_STAT_INC(q, c) sc->debug.stats.txstats[q].c++
29 #define TX_STAT_INC(q, c) do { } while (0)
32 #ifdef CONFIG_ATH9K_DEBUGFS
35 * struct ath_interrupt_stats - Contains statistics about interrupts
36 * @total: Total no. of interrupts generated so far
37 * @rxok: RX with no errors
38 * @rxlp: RX with low priority RX
39 * @rxhp: RX with high priority, uapsd only
40 * @rxeol: RX with no more RXDESC available
41 * @rxorn: RX FIFO overrun
42 * @txok: TX completed at the requested rate
43 * @txurn: TX FIFO underrun
44 * @mib: MIB regs reaching its threshold
45 * @rxphyerr: RX with phy errors
46 * @rx_keycache_miss: RX with key cache misses
47 * @swba: Software Beacon Alert
49 * @bnr: Beacon Not Ready
50 * @cst: Carrier Sense TImeout
51 * @gtt: Global TX Timeout
52 * @tim: RX beacon TIM occurrence
53 * @cabend: RX End of CAB traffic
54 * @dtimsync: DTIM sync lossage
55 * @dtim: RX Beacon with DTIM
56 * @bb_watchdog: Baseband watchdog
58 struct ath_interrupt_stats {
91 * struct ath_tx_stats - Statistics about TX
92 * @tx_pkts_all: No. of total frames transmitted, including ones that
94 * @tx_bytes_all: No. of total bytes transmitted, including ones that
96 * @queued: Total MPDUs (non-aggr) queued
97 * @completed: Total MPDUs (non-aggr) completed
98 * @a_aggr: Total no. of aggregates queued
99 * @a_queued: Total AMPDUs queued
100 * @a_completed: Total AMPDUs completed
101 * @a_retries: No. of AMPDUs retried (SW)
102 * @a_xretries: No. of AMPDUs dropped due to xretries
103 * @fifo_underrun: FIFO underrun occurrences
105 - non-aggregate condition.
106 - first packet of aggregate.
107 * @xtxop: No. of frames filtered because of TXOP limit
108 * @timer_exp: Transmit timer expiry
109 * @desc_cfg_err: Descriptor configuration errors
110 * @data_urn: TX data underrun errors
111 * @delim_urn: TX delimiter underrun errors
113 struct ath_tx_stats {
132 * struct ath_rx_stats - RX Statistics
133 * @rx_pkts_all: No. of total frames received, including ones that
135 * @rx_bytes_all: No. of total bytes received, including ones that
137 * @crc_err: No. of frames with incorrect CRC value
138 * @decrypt_crc_err: No. of frames whose CRC check failed after
139 decryption process completed
140 * @phy_err: No. of frames whose reception failed because the PHY
142 * @mic_err: No. of frames with incorrect TKIP MIC verification failure
143 * @pre_delim_crc_err: Pre-Frame delimiter CRC error detections
144 * @post_delim_crc_err: Post-Frame delimiter CRC error detections
145 * @decrypt_busy_err: Decryption interruptions counter
146 * @phy_err_stats: Individual PHY error statistics
148 struct ath_rx_stats {
155 u32 pre_delim_crc_err;
156 u32 post_delim_crc_err;
157 u32 decrypt_busy_err;
158 u32 phy_err_stats[ATH9K_PHYERR_MAX];
162 struct ath_interrupt_stats istats;
163 struct ath_rc_stats rcstats[RATE_TABLE_SIZE];
164 struct ath_tx_stats txstats[ATH9K_NUM_TX_QUEUES];
165 struct ath_rx_stats rxstats;
169 struct dentry *debugfs_phy;
171 struct ath_stats stats;
174 int ath9k_init_debug(struct ath_hw *ah);
175 void ath9k_exit_debug(struct ath_hw *ah);
177 int ath9k_debug_create_root(void);
178 void ath9k_debug_remove_root(void);
179 void ath_debug_stat_interrupt(struct ath_softc *sc, enum ath9k_int status);
180 void ath_debug_stat_rc(struct ath_softc *sc, int final_rate);
181 void ath_debug_stat_tx(struct ath_softc *sc, struct ath_txq *txq,
182 struct ath_buf *bf, struct ath_tx_status *ts);
183 void ath_debug_stat_rx(struct ath_softc *sc, struct ath_rx_status *rs);
184 void ath_debug_stat_retries(struct ath_softc *sc, int rix,
185 int xretries, int retries, u8 per);
189 static inline int ath9k_init_debug(struct ath_hw *ah)
194 static inline void ath9k_exit_debug(struct ath_hw *ah)
198 static inline int ath9k_debug_create_root(void)
203 static inline void ath9k_debug_remove_root(void)
207 static inline void ath_debug_stat_interrupt(struct ath_softc *sc,
208 enum ath9k_int status)
212 static inline void ath_debug_stat_rc(struct ath_softc *sc,
217 static inline void ath_debug_stat_tx(struct ath_softc *sc,
220 struct ath_tx_status *ts)
224 static inline void ath_debug_stat_rx(struct ath_softc *sc,
225 struct ath_rx_status *rs)
229 static inline void ath_debug_stat_retries(struct ath_softc *sc, int rix,
230 int xretries, int retries, u8 per)
234 #endif /* CONFIG_ATH9K_DEBUGFS */