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