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