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
57 struct ath_interrupt_stats {
89 * struct ath_tx_stats - Statistics about TX
90 * @queued: Total MPDUs (non-aggr) queued
91 * @completed: Total MPDUs (non-aggr) completed
92 * @a_aggr: Total no. of aggregates queued
93 * @a_queued: Total AMPDUs queued
94 * @a_completed: Total AMPDUs completed
95 * @a_retries: No. of AMPDUs retried (SW)
96 * @a_xretries: No. of AMPDUs dropped due to xretries
97 * @fifo_underrun: FIFO underrun occurrences
99 - non-aggregate condition.
100 - first packet of aggregate.
101 * @xtxop: No. of frames filtered because of TXOP limit
102 * @timer_exp: Transmit timer expiry
103 * @desc_cfg_err: Descriptor configuration errors
104 * @data_urn: TX data underrun errors
105 * @delim_urn: TX delimiter underrun errors
107 struct ath_tx_stats {
124 * struct ath_rx_stats - RX Statistics
125 * @crc_err: No. of frames with incorrect CRC value
126 * @decrypt_crc_err: No. of frames whose CRC check failed after
127 decryption process completed
128 * @phy_err: No. of frames whose reception failed because the PHY
130 * @mic_err: No. of frames with incorrect TKIP MIC verification failure
131 * @pre_delim_crc_err: Pre-Frame delimiter CRC error detections
132 * @post_delim_crc_err: Post-Frame delimiter CRC error detections
133 * @decrypt_busy_err: Decryption interruptions counter
134 * @phy_err_stats: Individual PHY error statistics
136 struct ath_rx_stats {
141 u32 pre_delim_crc_err;
142 u32 post_delim_crc_err;
143 u32 decrypt_busy_err;
144 u32 phy_err_stats[ATH9K_PHYERR_MAX];
148 struct ath_interrupt_stats istats;
149 struct ath_rc_stats rcstats[RATE_TABLE_SIZE];
150 struct ath_tx_stats txstats[ATH9K_NUM_TX_QUEUES];
151 struct ath_rx_stats rxstats;
155 struct dentry *debugfs_phy;
156 struct dentry *debugfs_debug;
157 struct dentry *debugfs_dma;
158 struct dentry *debugfs_interrupt;
159 struct dentry *debugfs_rcstat;
160 struct dentry *debugfs_wiphy;
161 struct dentry *debugfs_xmit;
162 struct dentry *debugfs_recv;
163 struct ath_stats stats;
166 int ath9k_init_debug(struct ath_hw *ah);
167 void ath9k_exit_debug(struct ath_hw *ah);
169 int ath9k_debug_create_root(void);
170 void ath9k_debug_remove_root(void);
171 void ath_debug_stat_interrupt(struct ath_softc *sc, enum ath9k_int status);
172 void ath_debug_stat_rc(struct ath_softc *sc, int final_rate);
173 void ath_debug_stat_tx(struct ath_softc *sc, struct ath_txq *txq,
174 struct ath_buf *bf, struct ath_tx_status *ts);
175 void ath_debug_stat_rx(struct ath_softc *sc, struct ath_rx_status *rs);
176 void ath_debug_stat_retries(struct ath_softc *sc, int rix,
177 int xretries, int retries, u8 per);
181 static inline int ath9k_init_debug(struct ath_hw *ah)
186 static inline void ath9k_exit_debug(struct ath_hw *ah)
190 static inline int ath9k_debug_create_root(void)
195 static inline void ath9k_debug_remove_root(void)
199 static inline void ath_debug_stat_interrupt(struct ath_softc *sc,
200 enum ath9k_int status)
204 static inline void ath_debug_stat_rc(struct ath_softc *sc,
209 static inline void ath_debug_stat_tx(struct ath_softc *sc,
212 struct ath_tx_status *ts)
216 static inline void ath_debug_stat_rx(struct ath_softc *sc,
217 struct ath_rx_status *rs)
221 static inline void ath_debug_stat_retries(struct ath_softc *sc, int rix,
222 int xretries, int retries, u8 per)
226 #endif /* CONFIG_ATH9K_DEBUGFS */