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"
26 struct fft_sample_tlv;
28 #ifdef CONFIG_ATH9K_DEBUGFS
29 #define TX_STAT_INC(q, c) sc->debug.stats.txstats[q].c++
30 #define RESET_STAT_INC(sc, type) sc->debug.stats.reset[type]++
32 #define TX_STAT_INC(q, c) do { } while (0)
33 #define RESET_STAT_INC(sc, type) do { } while (0)
38 RESET_TYPE_BB_WATCHDOG,
44 RESET_TYPE_BEACON_STUCK,
49 #ifdef CONFIG_ATH9K_DEBUGFS
52 * struct ath_interrupt_stats - Contains statistics about interrupts
53 * @total: Total no. of interrupts generated so far
54 * @rxok: RX with no errors
55 * @rxlp: RX with low priority RX
56 * @rxhp: RX with high priority, uapsd only
57 * @rxeol: RX with no more RXDESC available
58 * @rxorn: RX FIFO overrun
59 * @txok: TX completed at the requested rate
60 * @txurn: TX FIFO underrun
61 * @mib: MIB regs reaching its threshold
62 * @rxphyerr: RX with phy errors
63 * @rx_keycache_miss: RX with key cache misses
64 * @swba: Software Beacon Alert
66 * @bnr: Beacon Not Ready
67 * @cst: Carrier Sense TImeout
68 * @gtt: Global TX Timeout
69 * @tim: RX beacon TIM occurrence
70 * @cabend: RX End of CAB traffic
71 * @dtimsync: DTIM sync lossage
72 * @dtim: RX Beacon with DTIM
73 * @bb_watchdog: Baseband watchdog
74 * @tsfoor: TSF out of range, indicates that the corrected TSF received
75 * from a beacon differs from the PCU's internal TSF by more than a
76 * (programmable) threshold
77 * @local_timeout: Internal bus timeout.
78 * @mci: MCI interrupt, specific to MCI based BTCOEX chipsets
79 * @gen_timer: Generic hardware timer interrupt
81 struct ath_interrupt_stats {
108 /* Sync-cause stats */
112 u32 eeprom_illegal_access;
114 u32 pci_mode_conflict;
119 u32 radm_cpl_dllp_abort;
120 u32 radm_cpl_tlp_abort;
121 u32 radm_cpl_ecrc_err;
122 u32 radm_cpl_timeout;
127 u32 mac_sleep_access;
132 * struct ath_tx_stats - Statistics about TX
133 * @tx_pkts_all: No. of total frames transmitted, including ones that
135 * @tx_bytes_all: No. of total bytes transmitted, including ones that
137 * @queued: Total MPDUs (non-aggr) queued
138 * @completed: Total MPDUs (non-aggr) completed
139 * @a_aggr: Total no. of aggregates queued
140 * @a_queued_hw: Total AMPDUs queued to hardware
141 * @a_queued_sw: Total AMPDUs queued to software queues
142 * @a_completed: Total AMPDUs completed
143 * @a_retries: No. of AMPDUs retried (SW)
144 * @a_xretries: No. of AMPDUs dropped due to xretries
145 * @fifo_underrun: FIFO underrun occurrences
147 - non-aggregate condition.
148 - first packet of aggregate.
149 * @xtxop: No. of frames filtered because of TXOP limit
150 * @timer_exp: Transmit timer expiry
151 * @desc_cfg_err: Descriptor configuration errors
152 * @data_urn: TX data underrun errors
153 * @delim_urn: TX delimiter underrun errors
154 * @puttxbuf: Number of times hardware was given txbuf to write.
155 * @txstart: Number of times hardware was told to start tx.
156 * @txprocdesc: Number of times tx descriptor was processed
157 * @txfailed: Out-of-memory or other errors in xmit path.
159 struct ath_tx_stats {
184 * Various utility macros to print TX/Queue counters.
186 #define PR_QNUM(_n) sc->tx.txq_map[_n]->axq_qnum
187 #define TXSTATS sc->debug.stats.txstats
188 #define PR(str, elem) \
190 len += snprintf(buf + len, size - len, \
191 "%s%13u%11u%10u%10u\n", str, \
192 TXSTATS[PR_QNUM(IEEE80211_AC_BE)].elem, \
193 TXSTATS[PR_QNUM(IEEE80211_AC_BK)].elem, \
194 TXSTATS[PR_QNUM(IEEE80211_AC_VI)].elem, \
195 TXSTATS[PR_QNUM(IEEE80211_AC_VO)].elem); \
198 #define RX_STAT_INC(c) (sc->debug.stats.rxstats.c++)
201 * struct ath_rx_stats - RX Statistics
202 * @rx_pkts_all: No. of total frames received, including ones that
204 * @rx_bytes_all: No. of total bytes received, including ones that
206 * @crc_err: No. of frames with incorrect CRC value
207 * @decrypt_crc_err: No. of frames whose CRC check failed after
208 decryption process completed
209 * @phy_err: No. of frames whose reception failed because the PHY
211 * @mic_err: No. of frames with incorrect TKIP MIC verification failure
212 * @pre_delim_crc_err: Pre-Frame delimiter CRC error detections
213 * @post_delim_crc_err: Post-Frame delimiter CRC error detections
214 * @decrypt_busy_err: Decryption interruptions counter
215 * @phy_err_stats: Individual PHY error statistics
216 * @rx_len_err: No. of frames discarded due to bad length.
217 * @rx_oom_err: No. of frames dropped due to OOM issues.
218 * @rx_rate_err: No. of frames dropped due to rate errors.
219 * @rx_too_many_frags_err: Frames dropped due to too-many-frags received.
220 * @rx_beacons: No. of beacons received.
221 * @rx_frags: No. of rx-fragements received.
222 * @rx_spectral: No of spectral packets received.
224 struct ath_rx_stats {
231 u32 pre_delim_crc_err;
232 u32 post_delim_crc_err;
233 u32 decrypt_busy_err;
234 u32 phy_err_stats[ATH9K_PHYERR_MAX];
238 u32 rx_too_many_frags_err;
245 struct ath_interrupt_stats istats;
246 struct ath_tx_stats txstats[ATH9K_NUM_TX_QUEUES];
247 struct ath_rx_stats rxstats;
248 struct ath_dfs_stats dfs_stats;
249 u32 reset[__RESET_TYPE_MAX];
252 #define ATH_DBG_MAX_SAMPLES 10
253 struct ath_dbg_bb_mac_samp {
254 u32 dma_dbg_reg_vals[ATH9K_NUM_DMA_DEBUG_REGS];
255 u32 pcu_obs, pcu_cr, noise;
273 } ts[ATH_DBG_MAX_SAMPLES];
286 } rs[ATH_DBG_MAX_SAMPLES];
287 struct ath_cycle_counters cc;
288 struct ath9k_nfcal_hist nfCalHist[NUM_NF_READINGS];
292 struct dentry *debugfs_phy;
294 struct ath_stats stats;
295 #ifdef CONFIG_ATH9K_MAC_DEBUG
296 spinlock_t samp_lock;
297 struct ath_dbg_bb_mac_samp bb_mac_samp[ATH_DBG_MAX_SAMPLES];
304 int ath9k_init_debug(struct ath_hw *ah);
306 void ath_debug_stat_interrupt(struct ath_softc *sc, enum ath9k_int status);
307 void ath_debug_stat_tx(struct ath_softc *sc, struct ath_buf *bf,
308 struct ath_tx_status *ts, struct ath_txq *txq,
310 void ath_debug_stat_rx(struct ath_softc *sc, struct ath_rx_status *rs);
311 int ath9k_get_et_sset_count(struct ieee80211_hw *hw,
312 struct ieee80211_vif *vif, int sset);
313 void ath9k_get_et_stats(struct ieee80211_hw *hw,
314 struct ieee80211_vif *vif,
315 struct ethtool_stats *stats, u64 *data);
316 void ath9k_get_et_strings(struct ieee80211_hw *hw,
317 struct ieee80211_vif *vif,
319 void ath9k_sta_add_debugfs(struct ieee80211_hw *hw,
320 struct ieee80211_vif *vif,
321 struct ieee80211_sta *sta,
323 void ath9k_sta_remove_debugfs(struct ieee80211_hw *hw,
324 struct ieee80211_vif *vif,
325 struct ieee80211_sta *sta,
328 void ath_debug_send_fft_sample(struct ath_softc *sc,
329 struct fft_sample_tlv *fft_sample);
333 #define RX_STAT_INC(c) /* NOP */
335 static inline int ath9k_init_debug(struct ath_hw *ah)
340 static inline void ath_debug_stat_interrupt(struct ath_softc *sc,
341 enum ath9k_int status)
345 static inline void ath_debug_stat_tx(struct ath_softc *sc,
347 struct ath_tx_status *ts,
353 static inline void ath_debug_stat_rx(struct ath_softc *sc,
354 struct ath_rx_status *rs)
358 #endif /* CONFIG_ATH9K_DEBUGFS */
360 #ifdef CONFIG_ATH9K_MAC_DEBUG
362 void ath9k_debug_samp_bb_mac(struct ath_softc *sc);
366 static inline void ath9k_debug_samp_bb_mac(struct ath_softc *sc)