2 * Copyright (c) 2008-2011 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.
22 #include "dfs_debug.h"
27 #ifdef CONFIG_ATH9K_DEBUGFS
28 #define TX_STAT_INC(q, c) sc->debug.stats.txstats[q].c++
29 #define RESET_STAT_INC(sc, type) sc->debug.stats.reset[type]++
31 #define TX_STAT_INC(q, c) do { } while (0)
32 #define RESET_STAT_INC(sc, type) do { } while (0)
35 #ifdef CONFIG_ATH9K_DEBUGFS
38 * struct ath_interrupt_stats - Contains statistics about interrupts
39 * @total: Total no. of interrupts generated so far
40 * @rxok: RX with no errors
41 * @rxlp: RX with low priority RX
42 * @rxhp: RX with high priority, uapsd only
43 * @rxeol: RX with no more RXDESC available
44 * @rxorn: RX FIFO overrun
45 * @txok: TX completed at the requested rate
46 * @txurn: TX FIFO underrun
47 * @mib: MIB regs reaching its threshold
48 * @rxphyerr: RX with phy errors
49 * @rx_keycache_miss: RX with key cache misses
50 * @swba: Software Beacon Alert
52 * @bnr: Beacon Not Ready
53 * @cst: Carrier Sense TImeout
54 * @gtt: Global TX Timeout
55 * @tim: RX beacon TIM occurrence
56 * @cabend: RX End of CAB traffic
57 * @dtimsync: DTIM sync lossage
58 * @dtim: RX Beacon with DTIM
59 * @bb_watchdog: Baseband watchdog
60 * @tsfoor: TSF out of range, indicates that the corrected TSF received
61 * from a beacon differs from the PCU's internal TSF by more than a
62 * (programmable) threshold
63 * @local_timeout: Internal bus timeout.
65 struct ath_interrupt_stats {
91 /* Sync-cause stats */
95 u32 eeprom_illegal_access;
97 u32 pci_mode_conflict;
102 u32 radm_cpl_dllp_abort;
103 u32 radm_cpl_tlp_abort;
104 u32 radm_cpl_ecrc_err;
105 u32 radm_cpl_timeout;
110 u32 mac_sleep_access;
115 * struct ath_tx_stats - Statistics about TX
116 * @tx_pkts_all: No. of total frames transmitted, including ones that
118 * @tx_bytes_all: No. of total bytes transmitted, including ones that
120 * @queued: Total MPDUs (non-aggr) queued
121 * @completed: Total MPDUs (non-aggr) completed
122 * @a_aggr: Total no. of aggregates queued
123 * @a_queued_hw: Total AMPDUs queued to hardware
124 * @a_queued_sw: Total AMPDUs queued to software queues
125 * @a_completed: Total AMPDUs completed
126 * @a_retries: No. of AMPDUs retried (SW)
127 * @a_xretries: No. of AMPDUs dropped due to xretries
128 * @fifo_underrun: FIFO underrun occurrences
130 - non-aggregate condition.
131 - first packet of aggregate.
132 * @xtxop: No. of frames filtered because of TXOP limit
133 * @timer_exp: Transmit timer expiry
134 * @desc_cfg_err: Descriptor configuration errors
135 * @data_urn: TX data underrun errors
136 * @delim_urn: TX delimiter underrun errors
137 * @puttxbuf: Number of times hardware was given txbuf to write.
138 * @txstart: Number of times hardware was told to start tx.
139 * @txprocdesc: Number of times tx descriptor was processed
140 * @txfailed: Out-of-memory or other errors in xmit path.
142 struct ath_tx_stats {
166 #define RX_STAT_INC(c) (sc->debug.stats.rxstats.c++)
169 * struct ath_rx_stats - RX Statistics
170 * @rx_pkts_all: No. of total frames received, including ones that
172 * @rx_bytes_all: No. of total bytes received, including ones that
174 * @crc_err: No. of frames with incorrect CRC value
175 * @decrypt_crc_err: No. of frames whose CRC check failed after
176 decryption process completed
177 * @phy_err: No. of frames whose reception failed because the PHY
179 * @mic_err: No. of frames with incorrect TKIP MIC verification failure
180 * @pre_delim_crc_err: Pre-Frame delimiter CRC error detections
181 * @post_delim_crc_err: Post-Frame delimiter CRC error detections
182 * @decrypt_busy_err: Decryption interruptions counter
183 * @phy_err_stats: Individual PHY error statistics
184 * @rx_len_err: No. of frames discarded due to bad length.
185 * @rx_oom_err: No. of frames dropped due to OOM issues.
186 * @rx_rate_err: No. of frames dropped due to rate errors.
187 * @rx_too_many_frags_err: Frames dropped due to too-many-frags received.
188 * @rx_drop_rxflush: No. of frames dropped due to RX-FLUSH.
189 * @rx_beacons: No. of beacons received.
190 * @rx_frags: No. of rx-fragements received.
192 struct ath_rx_stats {
199 u32 pre_delim_crc_err;
200 u32 post_delim_crc_err;
201 u32 decrypt_busy_err;
202 u32 phy_err_stats[ATH9K_PHYERR_MAX];
206 u32 rx_too_many_frags_err;
212 enum ath_reset_type {
214 RESET_TYPE_BB_WATCHDOG,
215 RESET_TYPE_FATAL_INT,
224 struct ath_interrupt_stats istats;
225 struct ath_tx_stats txstats[ATH9K_NUM_TX_QUEUES];
226 struct ath_rx_stats rxstats;
227 struct ath_dfs_stats dfs_stats;
228 u32 reset[__RESET_TYPE_MAX];
231 #define ATH_DBG_MAX_SAMPLES 10
232 struct ath_dbg_bb_mac_samp {
233 u32 dma_dbg_reg_vals[ATH9K_NUM_DMA_DEBUG_REGS];
234 u32 pcu_obs, pcu_cr, noise;
252 } ts[ATH_DBG_MAX_SAMPLES];
265 } rs[ATH_DBG_MAX_SAMPLES];
266 struct ath_cycle_counters cc;
267 struct ath9k_nfcal_hist nfCalHist[NUM_NF_READINGS];
271 struct dentry *debugfs_phy;
273 struct ath_stats stats;
274 #ifdef CONFIG_ATH9K_MAC_DEBUG
275 spinlock_t samp_lock;
276 struct ath_dbg_bb_mac_samp bb_mac_samp[ATH_DBG_MAX_SAMPLES];
283 int ath9k_init_debug(struct ath_hw *ah);
285 void ath_debug_stat_interrupt(struct ath_softc *sc, enum ath9k_int status);
286 void ath_debug_stat_tx(struct ath_softc *sc, struct ath_buf *bf,
287 struct ath_tx_status *ts, struct ath_txq *txq,
289 void ath_debug_stat_rx(struct ath_softc *sc, struct ath_rx_status *rs);
293 #define RX_STAT_INC(c) /* NOP */
295 static inline int ath9k_init_debug(struct ath_hw *ah)
300 static inline void ath_debug_stat_interrupt(struct ath_softc *sc,
301 enum ath9k_int status)
305 static inline void ath_debug_stat_tx(struct ath_softc *sc,
307 struct ath_tx_status *ts,
313 static inline void ath_debug_stat_rx(struct ath_softc *sc,
314 struct ath_rx_status *rs)
318 #endif /* CONFIG_ATH9K_DEBUGFS */
320 #ifdef CONFIG_ATH9K_MAC_DEBUG
322 void ath9k_debug_samp_bb_mac(struct ath_softc *sc);
326 static inline void ath9k_debug_samp_bb_mac(struct ath_softc *sc)