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
57 * @tsfoor: TSF out of range, indicates that the corrected TSF received
58 * from a beacon differs from the PCU's internal TSF by more than a
59 * (programmable) threshold
61 struct ath_interrupt_stats {
88 * struct ath_tx_stats - Statistics about TX
89 * @tx_pkts_all: No. of total frames transmitted, including ones that
91 * @tx_bytes_all: No. of total bytes transmitted, including ones that
93 * @queued: Total MPDUs (non-aggr) queued
94 * @completed: Total MPDUs (non-aggr) completed
95 * @a_aggr: Total no. of aggregates queued
96 * @a_queued_hw: Total AMPDUs queued to hardware
97 * @a_queued_sw: Total AMPDUs queued to software queues
98 * @a_completed: Total AMPDUs completed
99 * @a_retries: No. of AMPDUs retried (SW)
100 * @a_xretries: No. of AMPDUs dropped due to xretries
101 * @fifo_underrun: FIFO underrun occurrences
103 - non-aggregate condition.
104 - first packet of aggregate.
105 * @xtxop: No. of frames filtered because of TXOP limit
106 * @timer_exp: Transmit timer expiry
107 * @desc_cfg_err: Descriptor configuration errors
108 * @data_urn: TX data underrun errors
109 * @delim_urn: TX delimiter underrun errors
110 * @puttxbuf: Number of times hardware was given txbuf to write.
111 * @txstart: Number of times hardware was told to start tx.
112 * @txprocdesc: Number of times tx descriptor was processed
114 struct ath_tx_stats {
137 * struct ath_rx_stats - RX Statistics
138 * @rx_pkts_all: No. of total frames received, including ones that
140 * @rx_bytes_all: No. of total bytes received, including ones that
142 * @crc_err: No. of frames with incorrect CRC value
143 * @decrypt_crc_err: No. of frames whose CRC check failed after
144 decryption process completed
145 * @phy_err: No. of frames whose reception failed because the PHY
147 * @mic_err: No. of frames with incorrect TKIP MIC verification failure
148 * @pre_delim_crc_err: Pre-Frame delimiter CRC error detections
149 * @post_delim_crc_err: Post-Frame delimiter CRC error detections
150 * @decrypt_busy_err: Decryption interruptions counter
151 * @phy_err_stats: Individual PHY error statistics
153 struct ath_rx_stats {
160 u32 pre_delim_crc_err;
161 u32 post_delim_crc_err;
162 u32 decrypt_busy_err;
163 u32 phy_err_stats[ATH9K_PHYERR_MAX];
174 struct ath_interrupt_stats istats;
175 struct ath_tx_stats txstats[ATH9K_NUM_TX_QUEUES];
176 struct ath_rx_stats rxstats;
180 struct dentry *debugfs_phy;
182 struct ath_stats stats;
185 int ath9k_init_debug(struct ath_hw *ah);
187 void ath_debug_stat_interrupt(struct ath_softc *sc, enum ath9k_int status);
188 void ath_debug_stat_tx(struct ath_softc *sc, struct ath_buf *bf,
189 struct ath_tx_status *ts, struct ath_txq *txq);
190 void ath_debug_stat_rx(struct ath_softc *sc, struct ath_rx_status *rs);
194 static inline int ath9k_init_debug(struct ath_hw *ah)
199 static inline void ath_debug_stat_interrupt(struct ath_softc *sc,
200 enum ath9k_int status)
204 static inline void ath_debug_stat_tx(struct ath_softc *sc,
206 struct ath_tx_status *ts,
211 static inline void ath_debug_stat_rx(struct ath_softc *sc,
212 struct ath_rx_status *rs)
216 #endif /* CONFIG_ATH9K_DEBUGFS */