1 /* 2 * Copyright (c) 2008-2011 Atheros Communications Inc. 3 * 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. 7 * 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. 15 */ 16 17 #ifndef DEBUG_H 18 #define DEBUG_H 19 20 #include "hw.h" 21 #include "rc.h" 22 #include "dfs_debug.h" 23 24 struct ath_txq; 25 struct ath_buf; 26 struct fft_sample_tlv; 27 28 #ifdef CONFIG_ATH9K_DEBUGFS 29 #define TX_STAT_INC(q, c) sc->debug.stats.txstats[q].c++ 30 #define RX_STAT_INC(c) (sc->debug.stats.rxstats.c++) 31 #define RESET_STAT_INC(sc, type) sc->debug.stats.reset[type]++ 32 #define ANT_STAT_INC(i, c) sc->debug.stats.ant_stats[i].c++ 33 #define ANT_LNA_INC(i, c) sc->debug.stats.ant_stats[i].lna_recv_cnt[c]++; 34 #else 35 #define TX_STAT_INC(q, c) do { } while (0) 36 #define RX_STAT_INC(c) 37 #define RESET_STAT_INC(sc, type) do { } while (0) 38 #define ANT_STAT_INC(i, c) do { } while (0) 39 #define ANT_LNA_INC(i, c) do { } while (0) 40 #endif 41 42 enum ath_reset_type { 43 RESET_TYPE_BB_HANG, 44 RESET_TYPE_BB_WATCHDOG, 45 RESET_TYPE_FATAL_INT, 46 RESET_TYPE_TX_ERROR, 47 RESET_TYPE_TX_GTT, 48 RESET_TYPE_TX_HANG, 49 RESET_TYPE_PLL_HANG, 50 RESET_TYPE_MAC_HANG, 51 RESET_TYPE_BEACON_STUCK, 52 RESET_TYPE_MCI, 53 __RESET_TYPE_MAX 54 }; 55 56 #ifdef CONFIG_ATH9K_DEBUGFS 57 58 /** 59 * struct ath_interrupt_stats - Contains statistics about interrupts 60 * @total: Total no. of interrupts generated so far 61 * @rxok: RX with no errors 62 * @rxlp: RX with low priority RX 63 * @rxhp: RX with high priority, uapsd only 64 * @rxeol: RX with no more RXDESC available 65 * @rxorn: RX FIFO overrun 66 * @txok: TX completed at the requested rate 67 * @txurn: TX FIFO underrun 68 * @mib: MIB regs reaching its threshold 69 * @rxphyerr: RX with phy errors 70 * @rx_keycache_miss: RX with key cache misses 71 * @swba: Software Beacon Alert 72 * @bmiss: Beacon Miss 73 * @bnr: Beacon Not Ready 74 * @cst: Carrier Sense TImeout 75 * @gtt: Global TX Timeout 76 * @tim: RX beacon TIM occurrence 77 * @cabend: RX End of CAB traffic 78 * @dtimsync: DTIM sync lossage 79 * @dtim: RX Beacon with DTIM 80 * @bb_watchdog: Baseband watchdog 81 * @tsfoor: TSF out of range, indicates that the corrected TSF received 82 * from a beacon differs from the PCU's internal TSF by more than a 83 * (programmable) threshold 84 * @local_timeout: Internal bus timeout. 85 * @mci: MCI interrupt, specific to MCI based BTCOEX chipsets 86 * @gen_timer: Generic hardware timer interrupt 87 */ 88 struct ath_interrupt_stats { 89 u32 total; 90 u32 rxok; 91 u32 rxlp; 92 u32 rxhp; 93 u32 rxeol; 94 u32 rxorn; 95 u32 txok; 96 u32 txeol; 97 u32 txurn; 98 u32 mib; 99 u32 rxphyerr; 100 u32 rx_keycache_miss; 101 u32 swba; 102 u32 bmiss; 103 u32 bnr; 104 u32 cst; 105 u32 gtt; 106 u32 tim; 107 u32 cabend; 108 u32 dtimsync; 109 u32 dtim; 110 u32 bb_watchdog; 111 u32 tsfoor; 112 u32 mci; 113 u32 gen_timer; 114 115 /* Sync-cause stats */ 116 u32 sync_cause_all; 117 u32 sync_rtc_irq; 118 u32 sync_mac_irq; 119 u32 eeprom_illegal_access; 120 u32 apb_timeout; 121 u32 pci_mode_conflict; 122 u32 host1_fatal; 123 u32 host1_perr; 124 u32 trcv_fifo_perr; 125 u32 radm_cpl_ep; 126 u32 radm_cpl_dllp_abort; 127 u32 radm_cpl_tlp_abort; 128 u32 radm_cpl_ecrc_err; 129 u32 radm_cpl_timeout; 130 u32 local_timeout; 131 u32 pm_access; 132 u32 mac_awake; 133 u32 mac_asleep; 134 u32 mac_sleep_access; 135 }; 136 137 138 /** 139 * struct ath_tx_stats - Statistics about TX 140 * @tx_pkts_all: No. of total frames transmitted, including ones that 141 may have had errors. 142 * @tx_bytes_all: No. of total bytes transmitted, including ones that 143 may have had errors. 144 * @queued: Total MPDUs (non-aggr) queued 145 * @completed: Total MPDUs (non-aggr) completed 146 * @a_aggr: Total no. of aggregates queued 147 * @a_queued_hw: Total AMPDUs queued to hardware 148 * @a_queued_sw: Total AMPDUs queued to software queues 149 * @a_completed: Total AMPDUs completed 150 * @a_retries: No. of AMPDUs retried (SW) 151 * @a_xretries: No. of AMPDUs dropped due to xretries 152 * @txerr_filtered: No. of frames with TXERR_FILT flag set. 153 * @fifo_underrun: FIFO underrun occurrences 154 Valid only for: 155 - non-aggregate condition. 156 - first packet of aggregate. 157 * @xtxop: No. of frames filtered because of TXOP limit 158 * @timer_exp: Transmit timer expiry 159 * @desc_cfg_err: Descriptor configuration errors 160 * @data_urn: TX data underrun errors 161 * @delim_urn: TX delimiter underrun errors 162 * @puttxbuf: Number of times hardware was given txbuf to write. 163 * @txstart: Number of times hardware was told to start tx. 164 * @txprocdesc: Number of times tx descriptor was processed 165 * @txfailed: Out-of-memory or other errors in xmit path. 166 */ 167 struct ath_tx_stats { 168 u32 tx_pkts_all; 169 u32 tx_bytes_all; 170 u32 queued; 171 u32 completed; 172 u32 xretries; 173 u32 a_aggr; 174 u32 a_queued_hw; 175 u32 a_queued_sw; 176 u32 a_completed; 177 u32 a_retries; 178 u32 a_xretries; 179 u32 txerr_filtered; 180 u32 fifo_underrun; 181 u32 xtxop; 182 u32 timer_exp; 183 u32 desc_cfg_err; 184 u32 data_underrun; 185 u32 delim_underrun; 186 u32 puttxbuf; 187 u32 txstart; 188 u32 txprocdesc; 189 u32 txfailed; 190 }; 191 192 /* 193 * Various utility macros to print TX/Queue counters. 194 */ 195 #define PR_QNUM(_n) sc->tx.txq_map[_n]->axq_qnum 196 #define TXSTATS sc->debug.stats.txstats 197 #define PR(str, elem) \ 198 do { \ 199 len += scnprintf(buf + len, size - len, \ 200 "%s%13u%11u%10u%10u\n", str, \ 201 TXSTATS[PR_QNUM(IEEE80211_AC_BE)].elem,\ 202 TXSTATS[PR_QNUM(IEEE80211_AC_BK)].elem,\ 203 TXSTATS[PR_QNUM(IEEE80211_AC_VI)].elem,\ 204 TXSTATS[PR_QNUM(IEEE80211_AC_VO)].elem); \ 205 } while(0) 206 207 struct ath_rx_rate_stats { 208 struct { 209 u32 ht20_cnt; 210 u32 ht40_cnt; 211 u32 sgi_cnt; 212 u32 lgi_cnt; 213 } ht_stats[24]; 214 215 struct { 216 u32 ofdm_cnt; 217 } ofdm_stats[8]; 218 219 struct { 220 u32 cck_lp_cnt; 221 u32 cck_sp_cnt; 222 } cck_stats[4]; 223 }; 224 225 /** 226 * struct ath_rx_stats - RX Statistics 227 * @rx_pkts_all: No. of total frames received, including ones that 228 may have had errors. 229 * @rx_bytes_all: No. of total bytes received, including ones that 230 may have had errors. 231 * @crc_err: No. of frames with incorrect CRC value 232 * @decrypt_crc_err: No. of frames whose CRC check failed after 233 decryption process completed 234 * @phy_err: No. of frames whose reception failed because the PHY 235 encountered an error 236 * @mic_err: No. of frames with incorrect TKIP MIC verification failure 237 * @pre_delim_crc_err: Pre-Frame delimiter CRC error detections 238 * @post_delim_crc_err: Post-Frame delimiter CRC error detections 239 * @decrypt_busy_err: Decryption interruptions counter 240 * @phy_err_stats: Individual PHY error statistics 241 * @rx_len_err: No. of frames discarded due to bad length. 242 * @rx_oom_err: No. of frames dropped due to OOM issues. 243 * @rx_rate_err: No. of frames dropped due to rate errors. 244 * @rx_too_many_frags_err: Frames dropped due to too-many-frags received. 245 * @rx_beacons: No. of beacons received. 246 * @rx_frags: No. of rx-fragements received. 247 * @rx_spectral: No of spectral packets received. 248 */ 249 struct ath_rx_stats { 250 u32 rx_pkts_all; 251 u32 rx_bytes_all; 252 u32 crc_err; 253 u32 decrypt_crc_err; 254 u32 phy_err; 255 u32 mic_err; 256 u32 pre_delim_crc_err; 257 u32 post_delim_crc_err; 258 u32 decrypt_busy_err; 259 u32 phy_err_stats[ATH9K_PHYERR_MAX]; 260 u32 rx_len_err; 261 u32 rx_oom_err; 262 u32 rx_rate_err; 263 u32 rx_too_many_frags_err; 264 u32 rx_beacons; 265 u32 rx_frags; 266 u32 rx_spectral; 267 }; 268 269 #define ANT_MAIN 0 270 #define ANT_ALT 1 271 272 struct ath_antenna_stats { 273 u32 recv_cnt; 274 u32 rssi_avg; 275 u32 lna_recv_cnt[4]; 276 u32 lna_attempt_cnt[4]; 277 }; 278 279 struct ath_stats { 280 struct ath_interrupt_stats istats; 281 struct ath_tx_stats txstats[ATH9K_NUM_TX_QUEUES]; 282 struct ath_rx_stats rxstats; 283 struct ath_dfs_stats dfs_stats; 284 struct ath_antenna_stats ant_stats[2]; 285 u32 reset[__RESET_TYPE_MAX]; 286 }; 287 288 struct ath9k_debug { 289 struct dentry *debugfs_phy; 290 u32 regidx; 291 struct ath_stats stats; 292 }; 293 294 int ath9k_init_debug(struct ath_hw *ah); 295 void ath9k_deinit_debug(struct ath_softc *sc); 296 297 void ath_debug_stat_interrupt(struct ath_softc *sc, enum ath9k_int status); 298 void ath_debug_stat_tx(struct ath_softc *sc, struct ath_buf *bf, 299 struct ath_tx_status *ts, struct ath_txq *txq, 300 unsigned int flags); 301 void ath_debug_stat_rx(struct ath_softc *sc, struct ath_rx_status *rs); 302 int ath9k_get_et_sset_count(struct ieee80211_hw *hw, 303 struct ieee80211_vif *vif, int sset); 304 void ath9k_get_et_stats(struct ieee80211_hw *hw, 305 struct ieee80211_vif *vif, 306 struct ethtool_stats *stats, u64 *data); 307 void ath9k_get_et_strings(struct ieee80211_hw *hw, 308 struct ieee80211_vif *vif, 309 u32 sset, u8 *data); 310 void ath9k_sta_add_debugfs(struct ieee80211_hw *hw, 311 struct ieee80211_vif *vif, 312 struct ieee80211_sta *sta, 313 struct dentry *dir); 314 void ath9k_debug_stat_ant(struct ath_softc *sc, 315 struct ath_hw_antcomb_conf *div_ant_conf, 316 int main_rssi_avg, int alt_rssi_avg); 317 void ath9k_debug_sync_cause(struct ath_softc *sc, u32 sync_cause); 318 319 #else 320 321 static inline int ath9k_init_debug(struct ath_hw *ah) 322 { 323 return 0; 324 } 325 326 static inline void ath9k_deinit_debug(struct ath_softc *sc) 327 { 328 } 329 static inline void ath_debug_stat_interrupt(struct ath_softc *sc, 330 enum ath9k_int status) 331 { 332 } 333 static inline void ath_debug_stat_tx(struct ath_softc *sc, 334 struct ath_buf *bf, 335 struct ath_tx_status *ts, 336 struct ath_txq *txq, 337 unsigned int flags) 338 { 339 } 340 static inline void ath_debug_stat_rx(struct ath_softc *sc, 341 struct ath_rx_status *rs) 342 { 343 } 344 static inline void ath9k_debug_stat_ant(struct ath_softc *sc, 345 struct ath_hw_antcomb_conf *div_ant_conf, 346 int main_rssi_avg, int alt_rssi_avg) 347 { 348 349 } 350 351 static inline void 352 ath9k_debug_sync_cause(struct ath_softc *sc, u32 sync_cause) 353 { 354 } 355 356 #endif /* CONFIG_ATH9K_DEBUGFS */ 357 358 #ifdef CONFIG_ATH9K_STATION_STATISTICS 359 void ath_debug_rate_stats(struct ath_softc *sc, 360 struct ath_rx_status *rs, 361 struct sk_buff *skb); 362 #else 363 static inline void ath_debug_rate_stats(struct ath_softc *sc, 364 struct ath_rx_status *rs, 365 struct sk_buff *skb) 366 { 367 } 368 #endif /* CONFIG_ATH9K_STATION_STATISTICS */ 369 370 #endif /* DEBUG_H */ 371