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 "dfs_debug.h" 22 23 struct ath_txq; 24 struct ath_buf; 25 struct fft_sample_tlv; 26 27 #ifdef CONFIG_ATH9K_DEBUGFS 28 #define TX_STAT_INC(sc, q, c) do { (sc)->debug.stats.txstats[q].c++; } while (0) 29 #define RX_STAT_INC(sc, c) do { (sc)->debug.stats.rxstats.c++; } while (0) 30 #define RESET_STAT_INC(sc, type) do { (sc)->debug.stats.reset[type]++; } while (0) 31 #define ANT_STAT_INC(sc, i, c) do { (sc)->debug.stats.ant_stats[i].c++; } while (0) 32 #define ANT_LNA_INC(sc, i, c) do { (sc)->debug.stats.ant_stats[i].lna_recv_cnt[c]++; } while (0) 33 #else 34 #define TX_STAT_INC(sc, q, c) do { (void)(sc); } while (0) 35 #define RX_STAT_INC(sc, c) do { (void)(sc); } while (0) 36 #define RESET_STAT_INC(sc, type) do { (void)(sc); } while (0) 37 #define ANT_STAT_INC(sc, i, c) do { (void)(sc); } while (0) 38 #define ANT_LNA_INC(sc, i, c) do { (void)(sc); } while (0) 39 #endif 40 41 enum ath_reset_type { 42 RESET_TYPE_USER, 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_CALIBRATION, 54 RESET_TX_DMA_ERROR, 55 RESET_RX_DMA_ERROR, 56 __RESET_TYPE_MAX 57 }; 58 59 #ifdef CONFIG_ATH9K_DEBUGFS 60 61 /** 62 * struct ath_interrupt_stats - Contains statistics about interrupts 63 * @total: Total no. of interrupts generated so far 64 * @rxok: RX with no errors 65 * @rxlp: RX with low priority RX 66 * @rxhp: RX with high priority, uapsd only 67 * @rxeol: RX with no more RXDESC available 68 * @rxorn: RX FIFO overrun 69 * @txok: TX completed at the requested rate 70 * @txurn: TX FIFO underrun 71 * @mib: MIB regs reaching its threshold 72 * @rxphyerr: RX with phy errors 73 * @rx_keycache_miss: RX with key cache misses 74 * @swba: Software Beacon Alert 75 * @bmiss: Beacon Miss 76 * @bnr: Beacon Not Ready 77 * @cst: Carrier Sense TImeout 78 * @gtt: Global TX Timeout 79 * @tim: RX beacon TIM occurrence 80 * @cabend: RX End of CAB traffic 81 * @dtimsync: DTIM sync lossage 82 * @dtim: RX Beacon with DTIM 83 * @bb_watchdog: Baseband watchdog 84 * @tsfoor: TSF out of range, indicates that the corrected TSF received 85 * from a beacon differs from the PCU's internal TSF by more than a 86 * (programmable) threshold 87 * @local_timeout: Internal bus timeout. 88 * @mci: MCI interrupt, specific to MCI based BTCOEX chipsets 89 * @gen_timer: Generic hardware timer interrupt 90 */ 91 struct ath_interrupt_stats { 92 u32 total; 93 u32 rxok; 94 u32 rxlp; 95 u32 rxhp; 96 u32 rxeol; 97 u32 rxorn; 98 u32 txok; 99 u32 txeol; 100 u32 txurn; 101 u32 mib; 102 u32 rxphyerr; 103 u32 rx_keycache_miss; 104 u32 swba; 105 u32 bmiss; 106 u32 bnr; 107 u32 cst; 108 u32 gtt; 109 u32 tim; 110 u32 cabend; 111 u32 dtimsync; 112 u32 dtim; 113 u32 bb_watchdog; 114 u32 tsfoor; 115 u32 mci; 116 u32 gen_timer; 117 118 /* Sync-cause stats */ 119 u32 sync_cause_all; 120 u32 sync_rtc_irq; 121 u32 sync_mac_irq; 122 u32 eeprom_illegal_access; 123 u32 apb_timeout; 124 u32 pci_mode_conflict; 125 u32 host1_fatal; 126 u32 host1_perr; 127 u32 trcv_fifo_perr; 128 u32 radm_cpl_ep; 129 u32 radm_cpl_dllp_abort; 130 u32 radm_cpl_tlp_abort; 131 u32 radm_cpl_ecrc_err; 132 u32 radm_cpl_timeout; 133 u32 local_timeout; 134 u32 pm_access; 135 u32 mac_awake; 136 u32 mac_asleep; 137 u32 mac_sleep_access; 138 }; 139 140 141 /** 142 * struct ath_tx_stats - Statistics about TX 143 * @tx_pkts_all: No. of total frames transmitted, including ones that 144 may have had errors. 145 * @tx_bytes_all: No. of total bytes transmitted, including ones that 146 may have had errors. 147 * @queued: Total MPDUs (non-aggr) queued 148 * @completed: Total MPDUs (non-aggr) completed 149 * @a_aggr: Total no. of aggregates queued 150 * @a_queued_hw: Total AMPDUs queued to hardware 151 * @a_completed: Total AMPDUs completed 152 * @a_retries: No. of AMPDUs retried (SW) 153 * @a_xretries: No. of AMPDUs dropped due to xretries 154 * @txerr_filtered: No. of frames with TXERR_FILT flag set. 155 * @fifo_underrun: FIFO underrun occurrences 156 Valid only for: 157 - non-aggregate condition. 158 - first packet of aggregate. 159 * @xtxop: No. of frames filtered because of TXOP limit 160 * @timer_exp: Transmit timer expiry 161 * @desc_cfg_err: Descriptor configuration errors 162 * @data_urn: TX data underrun errors 163 * @delim_urn: TX delimiter underrun errors 164 * @puttxbuf: Number of times hardware was given txbuf to write. 165 * @txstart: Number of times hardware was told to start tx. 166 * @txprocdesc: Number of times tx descriptor was processed 167 * @txfailed: Out-of-memory or other errors in xmit path. 168 */ 169 struct ath_tx_stats { 170 u32 tx_pkts_all; 171 u32 tx_bytes_all; 172 u32 queued; 173 u32 completed; 174 u32 xretries; 175 u32 a_aggr; 176 u32 a_queued_hw; 177 u32 a_completed; 178 u32 a_retries; 179 u32 a_xretries; 180 u32 txerr_filtered; 181 u32 fifo_underrun; 182 u32 xtxop; 183 u32 timer_exp; 184 u32 desc_cfg_err; 185 u32 data_underrun; 186 u32 delim_underrun; 187 u32 puttxbuf; 188 u32 txstart; 189 u32 txprocdesc; 190 u32 txfailed; 191 }; 192 193 /* 194 * Various utility macros to print TX/Queue counters. 195 */ 196 #define PR_QNUM(_n) sc->tx.txq_map[_n]->axq_qnum 197 #define TXSTATS sc->debug.stats.txstats 198 #define PR(str, elem) \ 199 do { \ 200 seq_printf(file, "%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 struct ath_airtime_stats { 226 u32 rx_airtime; 227 u32 tx_airtime; 228 }; 229 230 #define ANT_MAIN 0 231 #define ANT_ALT 1 232 233 struct ath_antenna_stats { 234 u32 recv_cnt; 235 u32 rssi_avg; 236 u32 lna_recv_cnt[4]; 237 u32 lna_attempt_cnt[4]; 238 }; 239 240 struct ath_stats { 241 struct ath_interrupt_stats istats; 242 struct ath_tx_stats txstats[ATH9K_NUM_TX_QUEUES]; 243 struct ath_rx_stats rxstats; 244 struct ath_dfs_stats dfs_stats; 245 struct ath_antenna_stats ant_stats[2]; 246 u32 reset[__RESET_TYPE_MAX]; 247 }; 248 249 struct ath9k_debug { 250 struct dentry *debugfs_phy; 251 u32 regidx; 252 struct ath_stats stats; 253 }; 254 255 int ath9k_init_debug(struct ath_hw *ah); 256 void ath9k_deinit_debug(struct ath_softc *sc); 257 258 void ath_debug_stat_interrupt(struct ath_softc *sc, enum ath9k_int status); 259 void ath_debug_stat_tx(struct ath_softc *sc, struct ath_buf *bf, 260 struct ath_tx_status *ts, struct ath_txq *txq, 261 unsigned int flags); 262 void ath_debug_stat_rx(struct ath_softc *sc, struct ath_rx_status *rs); 263 int ath9k_get_et_sset_count(struct ieee80211_hw *hw, 264 struct ieee80211_vif *vif, int sset); 265 void ath9k_get_et_stats(struct ieee80211_hw *hw, 266 struct ieee80211_vif *vif, 267 struct ethtool_stats *stats, u64 *data); 268 void ath9k_get_et_strings(struct ieee80211_hw *hw, 269 struct ieee80211_vif *vif, 270 u32 sset, u8 *data); 271 void ath9k_sta_add_debugfs(struct ieee80211_hw *hw, 272 struct ieee80211_vif *vif, 273 struct ieee80211_sta *sta, 274 struct dentry *dir); 275 void ath9k_debug_stat_ant(struct ath_softc *sc, 276 struct ath_hw_antcomb_conf *div_ant_conf, 277 int main_rssi_avg, int alt_rssi_avg); 278 void ath9k_debug_sync_cause(struct ath_softc *sc, u32 sync_cause); 279 280 #else 281 ath9k_init_debug(struct ath_hw * ah)282 static inline int ath9k_init_debug(struct ath_hw *ah) 283 { 284 return 0; 285 } 286 ath9k_deinit_debug(struct ath_softc * sc)287 static inline void ath9k_deinit_debug(struct ath_softc *sc) 288 { 289 } ath_debug_stat_interrupt(struct ath_softc * sc,enum ath9k_int status)290 static inline void ath_debug_stat_interrupt(struct ath_softc *sc, 291 enum ath9k_int status) 292 { 293 } ath_debug_stat_tx(struct ath_softc * sc,struct ath_buf * bf,struct ath_tx_status * ts,struct ath_txq * txq,unsigned int flags)294 static inline void ath_debug_stat_tx(struct ath_softc *sc, 295 struct ath_buf *bf, 296 struct ath_tx_status *ts, 297 struct ath_txq *txq, 298 unsigned int flags) 299 { 300 } ath_debug_stat_rx(struct ath_softc * sc,struct ath_rx_status * rs)301 static inline void ath_debug_stat_rx(struct ath_softc *sc, 302 struct ath_rx_status *rs) 303 { 304 } ath9k_debug_stat_ant(struct ath_softc * sc,struct ath_hw_antcomb_conf * div_ant_conf,int main_rssi_avg,int alt_rssi_avg)305 static inline void ath9k_debug_stat_ant(struct ath_softc *sc, 306 struct ath_hw_antcomb_conf *div_ant_conf, 307 int main_rssi_avg, int alt_rssi_avg) 308 { 309 310 } 311 312 static inline void ath9k_debug_sync_cause(struct ath_softc * sc,u32 sync_cause)313 ath9k_debug_sync_cause(struct ath_softc *sc, u32 sync_cause) 314 { 315 } 316 317 #endif /* CONFIG_ATH9K_DEBUGFS */ 318 319 #ifdef CONFIG_ATH9K_STATION_STATISTICS 320 void ath_debug_rate_stats(struct ath_softc *sc, 321 struct ath_rx_status *rs, 322 struct sk_buff *skb); 323 #else ath_debug_rate_stats(struct ath_softc * sc,struct ath_rx_status * rs,struct sk_buff * skb)324 static inline void ath_debug_rate_stats(struct ath_softc *sc, 325 struct ath_rx_status *rs, 326 struct sk_buff *skb) 327 { 328 } 329 #endif /* CONFIG_ATH9K_STATION_STATISTICS */ 330 331 #endif /* DEBUG_H */ 332