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 #include <linux/slab.h> 18 #include <linux/vmalloc.h> 19 #include <linux/export.h> 20 #include <asm/unaligned.h> 21 22 #include "ath9k.h" 23 24 #define REG_WRITE_D(_ah, _reg, _val) \ 25 ath9k_hw_common(_ah)->ops->write((_ah), (_val), (_reg)) 26 #define REG_READ_D(_ah, _reg) \ 27 ath9k_hw_common(_ah)->ops->read((_ah), (_reg)) 28 29 static int ath9k_debugfs_open(struct inode *inode, struct file *file) 30 { 31 file->private_data = inode->i_private; 32 return 0; 33 } 34 35 static ssize_t ath9k_debugfs_read_buf(struct file *file, char __user *user_buf, 36 size_t count, loff_t *ppos) 37 { 38 u8 *buf = file->private_data; 39 return simple_read_from_buffer(user_buf, count, ppos, buf, strlen(buf)); 40 } 41 42 static int ath9k_debugfs_release_buf(struct inode *inode, struct file *file) 43 { 44 vfree(file->private_data); 45 return 0; 46 } 47 48 #ifdef CONFIG_ATH_DEBUG 49 50 static ssize_t read_file_debug(struct file *file, char __user *user_buf, 51 size_t count, loff_t *ppos) 52 { 53 struct ath_softc *sc = file->private_data; 54 struct ath_common *common = ath9k_hw_common(sc->sc_ah); 55 char buf[32]; 56 unsigned int len; 57 58 len = sprintf(buf, "0x%08x\n", common->debug_mask); 59 return simple_read_from_buffer(user_buf, count, ppos, buf, len); 60 } 61 62 static ssize_t write_file_debug(struct file *file, const char __user *user_buf, 63 size_t count, loff_t *ppos) 64 { 65 struct ath_softc *sc = file->private_data; 66 struct ath_common *common = ath9k_hw_common(sc->sc_ah); 67 unsigned long mask; 68 char buf[32]; 69 ssize_t len; 70 71 len = min(count, sizeof(buf) - 1); 72 if (copy_from_user(buf, user_buf, len)) 73 return -EFAULT; 74 75 buf[len] = '\0'; 76 if (strict_strtoul(buf, 0, &mask)) 77 return -EINVAL; 78 79 common->debug_mask = mask; 80 return count; 81 } 82 83 static const struct file_operations fops_debug = { 84 .read = read_file_debug, 85 .write = write_file_debug, 86 .open = ath9k_debugfs_open, 87 .owner = THIS_MODULE, 88 .llseek = default_llseek, 89 }; 90 91 #endif 92 93 #define DMA_BUF_LEN 1024 94 95 static ssize_t read_file_tx_chainmask(struct file *file, char __user *user_buf, 96 size_t count, loff_t *ppos) 97 { 98 struct ath_softc *sc = file->private_data; 99 struct ath_hw *ah = sc->sc_ah; 100 char buf[32]; 101 unsigned int len; 102 103 len = sprintf(buf, "0x%08x\n", ah->txchainmask); 104 return simple_read_from_buffer(user_buf, count, ppos, buf, len); 105 } 106 107 static ssize_t write_file_tx_chainmask(struct file *file, const char __user *user_buf, 108 size_t count, loff_t *ppos) 109 { 110 struct ath_softc *sc = file->private_data; 111 struct ath_hw *ah = sc->sc_ah; 112 unsigned long mask; 113 char buf[32]; 114 ssize_t len; 115 116 len = min(count, sizeof(buf) - 1); 117 if (copy_from_user(buf, user_buf, len)) 118 return -EFAULT; 119 120 buf[len] = '\0'; 121 if (strict_strtoul(buf, 0, &mask)) 122 return -EINVAL; 123 124 ah->txchainmask = mask; 125 ah->caps.tx_chainmask = mask; 126 return count; 127 } 128 129 static const struct file_operations fops_tx_chainmask = { 130 .read = read_file_tx_chainmask, 131 .write = write_file_tx_chainmask, 132 .open = ath9k_debugfs_open, 133 .owner = THIS_MODULE, 134 .llseek = default_llseek, 135 }; 136 137 138 static ssize_t read_file_rx_chainmask(struct file *file, char __user *user_buf, 139 size_t count, loff_t *ppos) 140 { 141 struct ath_softc *sc = file->private_data; 142 struct ath_hw *ah = sc->sc_ah; 143 char buf[32]; 144 unsigned int len; 145 146 len = sprintf(buf, "0x%08x\n", ah->rxchainmask); 147 return simple_read_from_buffer(user_buf, count, ppos, buf, len); 148 } 149 150 static ssize_t write_file_rx_chainmask(struct file *file, const char __user *user_buf, 151 size_t count, loff_t *ppos) 152 { 153 struct ath_softc *sc = file->private_data; 154 struct ath_hw *ah = sc->sc_ah; 155 unsigned long mask; 156 char buf[32]; 157 ssize_t len; 158 159 len = min(count, sizeof(buf) - 1); 160 if (copy_from_user(buf, user_buf, len)) 161 return -EFAULT; 162 163 buf[len] = '\0'; 164 if (strict_strtoul(buf, 0, &mask)) 165 return -EINVAL; 166 167 ah->rxchainmask = mask; 168 ah->caps.rx_chainmask = mask; 169 return count; 170 } 171 172 static const struct file_operations fops_rx_chainmask = { 173 .read = read_file_rx_chainmask, 174 .write = write_file_rx_chainmask, 175 .open = ath9k_debugfs_open, 176 .owner = THIS_MODULE, 177 .llseek = default_llseek, 178 }; 179 180 static ssize_t read_file_disable_ani(struct file *file, char __user *user_buf, 181 size_t count, loff_t *ppos) 182 { 183 struct ath_softc *sc = file->private_data; 184 struct ath_common *common = ath9k_hw_common(sc->sc_ah); 185 char buf[32]; 186 unsigned int len; 187 188 len = sprintf(buf, "%d\n", common->disable_ani); 189 return simple_read_from_buffer(user_buf, count, ppos, buf, len); 190 } 191 192 static ssize_t write_file_disable_ani(struct file *file, 193 const char __user *user_buf, 194 size_t count, loff_t *ppos) 195 { 196 struct ath_softc *sc = file->private_data; 197 struct ath_common *common = ath9k_hw_common(sc->sc_ah); 198 unsigned long disable_ani; 199 char buf[32]; 200 ssize_t len; 201 202 len = min(count, sizeof(buf) - 1); 203 if (copy_from_user(buf, user_buf, len)) 204 return -EFAULT; 205 206 buf[len] = '\0'; 207 if (strict_strtoul(buf, 0, &disable_ani)) 208 return -EINVAL; 209 210 common->disable_ani = !!disable_ani; 211 212 if (disable_ani) { 213 sc->sc_flags &= ~SC_OP_ANI_RUN; 214 del_timer_sync(&common->ani.timer); 215 } else { 216 sc->sc_flags |= SC_OP_ANI_RUN; 217 ath_start_ani(common); 218 } 219 220 return count; 221 } 222 223 static const struct file_operations fops_disable_ani = { 224 .read = read_file_disable_ani, 225 .write = write_file_disable_ani, 226 .open = ath9k_debugfs_open, 227 .owner = THIS_MODULE, 228 .llseek = default_llseek, 229 }; 230 231 static ssize_t read_file_dma(struct file *file, char __user *user_buf, 232 size_t count, loff_t *ppos) 233 { 234 struct ath_softc *sc = file->private_data; 235 struct ath_hw *ah = sc->sc_ah; 236 char *buf; 237 int retval; 238 unsigned int len = 0; 239 u32 val[ATH9K_NUM_DMA_DEBUG_REGS]; 240 int i, qcuOffset = 0, dcuOffset = 0; 241 u32 *qcuBase = &val[0], *dcuBase = &val[4]; 242 243 buf = kmalloc(DMA_BUF_LEN, GFP_KERNEL); 244 if (!buf) 245 return -ENOMEM; 246 247 ath9k_ps_wakeup(sc); 248 249 REG_WRITE_D(ah, AR_MACMISC, 250 ((AR_MACMISC_DMA_OBS_LINE_8 << AR_MACMISC_DMA_OBS_S) | 251 (AR_MACMISC_MISC_OBS_BUS_1 << 252 AR_MACMISC_MISC_OBS_BUS_MSB_S))); 253 254 len += snprintf(buf + len, DMA_BUF_LEN - len, 255 "Raw DMA Debug values:\n"); 256 257 for (i = 0; i < ATH9K_NUM_DMA_DEBUG_REGS; i++) { 258 if (i % 4 == 0) 259 len += snprintf(buf + len, DMA_BUF_LEN - len, "\n"); 260 261 val[i] = REG_READ_D(ah, AR_DMADBG_0 + (i * sizeof(u32))); 262 len += snprintf(buf + len, DMA_BUF_LEN - len, "%d: %08x ", 263 i, val[i]); 264 } 265 266 len += snprintf(buf + len, DMA_BUF_LEN - len, "\n\n"); 267 len += snprintf(buf + len, DMA_BUF_LEN - len, 268 "Num QCU: chain_st fsp_ok fsp_st DCU: chain_st\n"); 269 270 for (i = 0; i < ATH9K_NUM_QUEUES; i++, qcuOffset += 4, dcuOffset += 5) { 271 if (i == 8) { 272 qcuOffset = 0; 273 qcuBase++; 274 } 275 276 if (i == 6) { 277 dcuOffset = 0; 278 dcuBase++; 279 } 280 281 len += snprintf(buf + len, DMA_BUF_LEN - len, 282 "%2d %2x %1x %2x %2x\n", 283 i, (*qcuBase & (0x7 << qcuOffset)) >> qcuOffset, 284 (*qcuBase & (0x8 << qcuOffset)) >> (qcuOffset + 3), 285 val[2] & (0x7 << (i * 3)) >> (i * 3), 286 (*dcuBase & (0x1f << dcuOffset)) >> dcuOffset); 287 } 288 289 len += snprintf(buf + len, DMA_BUF_LEN - len, "\n"); 290 291 len += snprintf(buf + len, DMA_BUF_LEN - len, 292 "qcu_stitch state: %2x qcu_fetch state: %2x\n", 293 (val[3] & 0x003c0000) >> 18, (val[3] & 0x03c00000) >> 22); 294 len += snprintf(buf + len, DMA_BUF_LEN - len, 295 "qcu_complete state: %2x dcu_complete state: %2x\n", 296 (val[3] & 0x1c000000) >> 26, (val[6] & 0x3)); 297 len += snprintf(buf + len, DMA_BUF_LEN - len, 298 "dcu_arb state: %2x dcu_fp state: %2x\n", 299 (val[5] & 0x06000000) >> 25, (val[5] & 0x38000000) >> 27); 300 len += snprintf(buf + len, DMA_BUF_LEN - len, 301 "chan_idle_dur: %3d chan_idle_dur_valid: %1d\n", 302 (val[6] & 0x000003fc) >> 2, (val[6] & 0x00000400) >> 10); 303 len += snprintf(buf + len, DMA_BUF_LEN - len, 304 "txfifo_valid_0: %1d txfifo_valid_1: %1d\n", 305 (val[6] & 0x00000800) >> 11, (val[6] & 0x00001000) >> 12); 306 len += snprintf(buf + len, DMA_BUF_LEN - len, 307 "txfifo_dcu_num_0: %2d txfifo_dcu_num_1: %2d\n", 308 (val[6] & 0x0001e000) >> 13, (val[6] & 0x001e0000) >> 17); 309 310 len += snprintf(buf + len, DMA_BUF_LEN - len, "pcu observe: 0x%x\n", 311 REG_READ_D(ah, AR_OBS_BUS_1)); 312 len += snprintf(buf + len, DMA_BUF_LEN - len, 313 "AR_CR: 0x%x\n", REG_READ_D(ah, AR_CR)); 314 315 ath9k_ps_restore(sc); 316 317 if (len > DMA_BUF_LEN) 318 len = DMA_BUF_LEN; 319 320 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len); 321 kfree(buf); 322 return retval; 323 } 324 325 static const struct file_operations fops_dma = { 326 .read = read_file_dma, 327 .open = ath9k_debugfs_open, 328 .owner = THIS_MODULE, 329 .llseek = default_llseek, 330 }; 331 332 333 void ath_debug_stat_interrupt(struct ath_softc *sc, enum ath9k_int status) 334 { 335 if (status) 336 sc->debug.stats.istats.total++; 337 if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) { 338 if (status & ATH9K_INT_RXLP) 339 sc->debug.stats.istats.rxlp++; 340 if (status & ATH9K_INT_RXHP) 341 sc->debug.stats.istats.rxhp++; 342 if (status & ATH9K_INT_BB_WATCHDOG) 343 sc->debug.stats.istats.bb_watchdog++; 344 } else { 345 if (status & ATH9K_INT_RX) 346 sc->debug.stats.istats.rxok++; 347 } 348 if (status & ATH9K_INT_RXEOL) 349 sc->debug.stats.istats.rxeol++; 350 if (status & ATH9K_INT_RXORN) 351 sc->debug.stats.istats.rxorn++; 352 if (status & ATH9K_INT_TX) 353 sc->debug.stats.istats.txok++; 354 if (status & ATH9K_INT_TXURN) 355 sc->debug.stats.istats.txurn++; 356 if (status & ATH9K_INT_MIB) 357 sc->debug.stats.istats.mib++; 358 if (status & ATH9K_INT_RXPHY) 359 sc->debug.stats.istats.rxphyerr++; 360 if (status & ATH9K_INT_RXKCM) 361 sc->debug.stats.istats.rx_keycache_miss++; 362 if (status & ATH9K_INT_SWBA) 363 sc->debug.stats.istats.swba++; 364 if (status & ATH9K_INT_BMISS) 365 sc->debug.stats.istats.bmiss++; 366 if (status & ATH9K_INT_BNR) 367 sc->debug.stats.istats.bnr++; 368 if (status & ATH9K_INT_CST) 369 sc->debug.stats.istats.cst++; 370 if (status & ATH9K_INT_GTT) 371 sc->debug.stats.istats.gtt++; 372 if (status & ATH9K_INT_TIM) 373 sc->debug.stats.istats.tim++; 374 if (status & ATH9K_INT_CABEND) 375 sc->debug.stats.istats.cabend++; 376 if (status & ATH9K_INT_DTIMSYNC) 377 sc->debug.stats.istats.dtimsync++; 378 if (status & ATH9K_INT_DTIM) 379 sc->debug.stats.istats.dtim++; 380 if (status & ATH9K_INT_TSFOOR) 381 sc->debug.stats.istats.tsfoor++; 382 } 383 384 static ssize_t read_file_interrupt(struct file *file, char __user *user_buf, 385 size_t count, loff_t *ppos) 386 { 387 struct ath_softc *sc = file->private_data; 388 char buf[512]; 389 unsigned int len = 0; 390 391 if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) { 392 len += snprintf(buf + len, sizeof(buf) - len, 393 "%8s: %10u\n", "RXLP", sc->debug.stats.istats.rxlp); 394 len += snprintf(buf + len, sizeof(buf) - len, 395 "%8s: %10u\n", "RXHP", sc->debug.stats.istats.rxhp); 396 len += snprintf(buf + len, sizeof(buf) - len, 397 "%8s: %10u\n", "WATCHDOG", 398 sc->debug.stats.istats.bb_watchdog); 399 } else { 400 len += snprintf(buf + len, sizeof(buf) - len, 401 "%8s: %10u\n", "RX", sc->debug.stats.istats.rxok); 402 } 403 len += snprintf(buf + len, sizeof(buf) - len, 404 "%8s: %10u\n", "RXEOL", sc->debug.stats.istats.rxeol); 405 len += snprintf(buf + len, sizeof(buf) - len, 406 "%8s: %10u\n", "RXORN", sc->debug.stats.istats.rxorn); 407 len += snprintf(buf + len, sizeof(buf) - len, 408 "%8s: %10u\n", "TX", sc->debug.stats.istats.txok); 409 len += snprintf(buf + len, sizeof(buf) - len, 410 "%8s: %10u\n", "TXURN", sc->debug.stats.istats.txurn); 411 len += snprintf(buf + len, sizeof(buf) - len, 412 "%8s: %10u\n", "MIB", sc->debug.stats.istats.mib); 413 len += snprintf(buf + len, sizeof(buf) - len, 414 "%8s: %10u\n", "RXPHY", sc->debug.stats.istats.rxphyerr); 415 len += snprintf(buf + len, sizeof(buf) - len, 416 "%8s: %10u\n", "RXKCM", sc->debug.stats.istats.rx_keycache_miss); 417 len += snprintf(buf + len, sizeof(buf) - len, 418 "%8s: %10u\n", "SWBA", sc->debug.stats.istats.swba); 419 len += snprintf(buf + len, sizeof(buf) - len, 420 "%8s: %10u\n", "BMISS", sc->debug.stats.istats.bmiss); 421 len += snprintf(buf + len, sizeof(buf) - len, 422 "%8s: %10u\n", "BNR", sc->debug.stats.istats.bnr); 423 len += snprintf(buf + len, sizeof(buf) - len, 424 "%8s: %10u\n", "CST", sc->debug.stats.istats.cst); 425 len += snprintf(buf + len, sizeof(buf) - len, 426 "%8s: %10u\n", "GTT", sc->debug.stats.istats.gtt); 427 len += snprintf(buf + len, sizeof(buf) - len, 428 "%8s: %10u\n", "TIM", sc->debug.stats.istats.tim); 429 len += snprintf(buf + len, sizeof(buf) - len, 430 "%8s: %10u\n", "CABEND", sc->debug.stats.istats.cabend); 431 len += snprintf(buf + len, sizeof(buf) - len, 432 "%8s: %10u\n", "DTIMSYNC", sc->debug.stats.istats.dtimsync); 433 len += snprintf(buf + len, sizeof(buf) - len, 434 "%8s: %10u\n", "DTIM", sc->debug.stats.istats.dtim); 435 len += snprintf(buf + len, sizeof(buf) - len, 436 "%8s: %10u\n", "TSFOOR", sc->debug.stats.istats.tsfoor); 437 len += snprintf(buf + len, sizeof(buf) - len, 438 "%8s: %10u\n", "TOTAL", sc->debug.stats.istats.total); 439 440 441 if (len > sizeof(buf)) 442 len = sizeof(buf); 443 444 return simple_read_from_buffer(user_buf, count, ppos, buf, len); 445 } 446 447 static const struct file_operations fops_interrupt = { 448 .read = read_file_interrupt, 449 .open = ath9k_debugfs_open, 450 .owner = THIS_MODULE, 451 .llseek = default_llseek, 452 }; 453 454 static const char *channel_type_str(enum nl80211_channel_type t) 455 { 456 switch (t) { 457 case NL80211_CHAN_NO_HT: 458 return "no ht"; 459 case NL80211_CHAN_HT20: 460 return "ht20"; 461 case NL80211_CHAN_HT40MINUS: 462 return "ht40-"; 463 case NL80211_CHAN_HT40PLUS: 464 return "ht40+"; 465 default: 466 return "???"; 467 } 468 } 469 470 static ssize_t read_file_wiphy(struct file *file, char __user *user_buf, 471 size_t count, loff_t *ppos) 472 { 473 struct ath_softc *sc = file->private_data; 474 struct ieee80211_channel *chan = sc->hw->conf.channel; 475 struct ieee80211_conf *conf = &(sc->hw->conf); 476 char buf[512]; 477 unsigned int len = 0; 478 u8 addr[ETH_ALEN]; 479 u32 tmp; 480 481 len += snprintf(buf + len, sizeof(buf) - len, 482 "%s (chan=%d center-freq: %d MHz channel-type: %d (%s))\n", 483 wiphy_name(sc->hw->wiphy), 484 ieee80211_frequency_to_channel(chan->center_freq), 485 chan->center_freq, 486 conf->channel_type, 487 channel_type_str(conf->channel_type)); 488 489 ath9k_ps_wakeup(sc); 490 put_unaligned_le32(REG_READ_D(sc->sc_ah, AR_STA_ID0), addr); 491 put_unaligned_le16(REG_READ_D(sc->sc_ah, AR_STA_ID1) & 0xffff, addr + 4); 492 len += snprintf(buf + len, sizeof(buf) - len, 493 "addr: %pM\n", addr); 494 put_unaligned_le32(REG_READ_D(sc->sc_ah, AR_BSSMSKL), addr); 495 put_unaligned_le16(REG_READ_D(sc->sc_ah, AR_BSSMSKU) & 0xffff, addr + 4); 496 len += snprintf(buf + len, sizeof(buf) - len, 497 "addrmask: %pM\n", addr); 498 tmp = ath9k_hw_getrxfilter(sc->sc_ah); 499 ath9k_ps_restore(sc); 500 len += snprintf(buf + len, sizeof(buf) - len, 501 "rfilt: 0x%x", tmp); 502 if (tmp & ATH9K_RX_FILTER_UCAST) 503 len += snprintf(buf + len, sizeof(buf) - len, " UCAST"); 504 if (tmp & ATH9K_RX_FILTER_MCAST) 505 len += snprintf(buf + len, sizeof(buf) - len, " MCAST"); 506 if (tmp & ATH9K_RX_FILTER_BCAST) 507 len += snprintf(buf + len, sizeof(buf) - len, " BCAST"); 508 if (tmp & ATH9K_RX_FILTER_CONTROL) 509 len += snprintf(buf + len, sizeof(buf) - len, " CONTROL"); 510 if (tmp & ATH9K_RX_FILTER_BEACON) 511 len += snprintf(buf + len, sizeof(buf) - len, " BEACON"); 512 if (tmp & ATH9K_RX_FILTER_PROM) 513 len += snprintf(buf + len, sizeof(buf) - len, " PROM"); 514 if (tmp & ATH9K_RX_FILTER_PROBEREQ) 515 len += snprintf(buf + len, sizeof(buf) - len, " PROBEREQ"); 516 if (tmp & ATH9K_RX_FILTER_PHYERR) 517 len += snprintf(buf + len, sizeof(buf) - len, " PHYERR"); 518 if (tmp & ATH9K_RX_FILTER_MYBEACON) 519 len += snprintf(buf + len, sizeof(buf) - len, " MYBEACON"); 520 if (tmp & ATH9K_RX_FILTER_COMP_BAR) 521 len += snprintf(buf + len, sizeof(buf) - len, " COMP_BAR"); 522 if (tmp & ATH9K_RX_FILTER_PSPOLL) 523 len += snprintf(buf + len, sizeof(buf) - len, " PSPOLL"); 524 if (tmp & ATH9K_RX_FILTER_PHYRADAR) 525 len += snprintf(buf + len, sizeof(buf) - len, " PHYRADAR"); 526 if (tmp & ATH9K_RX_FILTER_MCAST_BCAST_ALL) 527 len += snprintf(buf + len, sizeof(buf) - len, " MCAST_BCAST_ALL"); 528 529 len += snprintf(buf + len, sizeof(buf) - len, 530 "\n\nReset causes:\n" 531 " baseband hang: %d\n" 532 " baseband watchdog: %d\n" 533 " fatal hardware error interrupt: %d\n" 534 " tx hardware error: %d\n" 535 " tx path hang: %d\n" 536 " pll rx hang: %d\n", 537 sc->debug.stats.reset[RESET_TYPE_BB_HANG], 538 sc->debug.stats.reset[RESET_TYPE_BB_WATCHDOG], 539 sc->debug.stats.reset[RESET_TYPE_FATAL_INT], 540 sc->debug.stats.reset[RESET_TYPE_TX_ERROR], 541 sc->debug.stats.reset[RESET_TYPE_TX_HANG], 542 sc->debug.stats.reset[RESET_TYPE_PLL_HANG]); 543 544 if (len > sizeof(buf)) 545 len = sizeof(buf); 546 547 return simple_read_from_buffer(user_buf, count, ppos, buf, len); 548 } 549 550 static const struct file_operations fops_wiphy = { 551 .read = read_file_wiphy, 552 .open = ath9k_debugfs_open, 553 .owner = THIS_MODULE, 554 .llseek = default_llseek, 555 }; 556 557 #define PR_QNUM(_n) sc->tx.txq_map[_n]->axq_qnum 558 #define PR(str, elem) \ 559 do { \ 560 len += snprintf(buf + len, size - len, \ 561 "%s%13u%11u%10u%10u\n", str, \ 562 sc->debug.stats.txstats[PR_QNUM(WME_AC_BE)].elem, \ 563 sc->debug.stats.txstats[PR_QNUM(WME_AC_BK)].elem, \ 564 sc->debug.stats.txstats[PR_QNUM(WME_AC_VI)].elem, \ 565 sc->debug.stats.txstats[PR_QNUM(WME_AC_VO)].elem); \ 566 if (len >= size) \ 567 goto done; \ 568 } while(0) 569 570 #define PRX(str, elem) \ 571 do { \ 572 len += snprintf(buf + len, size - len, \ 573 "%s%13u%11u%10u%10u\n", str, \ 574 (unsigned int)(sc->tx.txq_map[WME_AC_BE]->elem), \ 575 (unsigned int)(sc->tx.txq_map[WME_AC_BK]->elem), \ 576 (unsigned int)(sc->tx.txq_map[WME_AC_VI]->elem), \ 577 (unsigned int)(sc->tx.txq_map[WME_AC_VO]->elem)); \ 578 if (len >= size) \ 579 goto done; \ 580 } while(0) 581 582 #define PRQLE(str, elem) \ 583 do { \ 584 len += snprintf(buf + len, size - len, \ 585 "%s%13i%11i%10i%10i\n", str, \ 586 list_empty(&sc->tx.txq_map[WME_AC_BE]->elem), \ 587 list_empty(&sc->tx.txq_map[WME_AC_BK]->elem), \ 588 list_empty(&sc->tx.txq_map[WME_AC_VI]->elem), \ 589 list_empty(&sc->tx.txq_map[WME_AC_VO]->elem)); \ 590 if (len >= size) \ 591 goto done; \ 592 } while (0) 593 594 static ssize_t read_file_xmit(struct file *file, char __user *user_buf, 595 size_t count, loff_t *ppos) 596 { 597 struct ath_softc *sc = file->private_data; 598 char *buf; 599 unsigned int len = 0, size = 8000; 600 int i; 601 ssize_t retval = 0; 602 char tmp[32]; 603 604 buf = kzalloc(size, GFP_KERNEL); 605 if (buf == NULL) 606 return -ENOMEM; 607 608 len += sprintf(buf, "Num-Tx-Queues: %i tx-queues-setup: 0x%x" 609 " poll-work-seen: %u\n" 610 "%30s %10s%10s%10s\n\n", 611 ATH9K_NUM_TX_QUEUES, sc->tx.txqsetup, 612 sc->tx_complete_poll_work_seen, 613 "BE", "BK", "VI", "VO"); 614 615 PR("MPDUs Queued: ", queued); 616 PR("MPDUs Completed: ", completed); 617 PR("MPDUs XRetried: ", xretries); 618 PR("Aggregates: ", a_aggr); 619 PR("AMPDUs Queued HW:", a_queued_hw); 620 PR("AMPDUs Queued SW:", a_queued_sw); 621 PR("AMPDUs Completed:", a_completed); 622 PR("AMPDUs Retried: ", a_retries); 623 PR("AMPDUs XRetried: ", a_xretries); 624 PR("FIFO Underrun: ", fifo_underrun); 625 PR("TXOP Exceeded: ", xtxop); 626 PR("TXTIMER Expiry: ", timer_exp); 627 PR("DESC CFG Error: ", desc_cfg_err); 628 PR("DATA Underrun: ", data_underrun); 629 PR("DELIM Underrun: ", delim_underrun); 630 PR("TX-Pkts-All: ", tx_pkts_all); 631 PR("TX-Bytes-All: ", tx_bytes_all); 632 PR("hw-put-tx-buf: ", puttxbuf); 633 PR("hw-tx-start: ", txstart); 634 PR("hw-tx-proc-desc: ", txprocdesc); 635 len += snprintf(buf + len, size - len, 636 "%s%11p%11p%10p%10p\n", "txq-memory-address:", 637 sc->tx.txq_map[WME_AC_BE], 638 sc->tx.txq_map[WME_AC_BK], 639 sc->tx.txq_map[WME_AC_VI], 640 sc->tx.txq_map[WME_AC_VO]); 641 if (len >= size) 642 goto done; 643 644 PRX("axq-qnum: ", axq_qnum); 645 PRX("axq-depth: ", axq_depth); 646 PRX("axq-ampdu_depth: ", axq_ampdu_depth); 647 PRX("axq-stopped ", stopped); 648 PRX("tx-in-progress ", axq_tx_inprogress); 649 PRX("pending-frames ", pending_frames); 650 PRX("txq_headidx: ", txq_headidx); 651 PRX("txq_tailidx: ", txq_headidx); 652 653 PRQLE("axq_q empty: ", axq_q); 654 PRQLE("axq_acq empty: ", axq_acq); 655 for (i = 0; i < ATH_TXFIFO_DEPTH; i++) { 656 snprintf(tmp, sizeof(tmp) - 1, "txq_fifo[%i] empty: ", i); 657 PRQLE(tmp, txq_fifo[i]); 658 } 659 660 /* Print out more detailed queue-info */ 661 for (i = 0; i <= WME_AC_BK; i++) { 662 struct ath_txq *txq = &(sc->tx.txq[i]); 663 struct ath_atx_ac *ac; 664 struct ath_atx_tid *tid; 665 if (len >= size) 666 goto done; 667 spin_lock_bh(&txq->axq_lock); 668 if (!list_empty(&txq->axq_acq)) { 669 ac = list_first_entry(&txq->axq_acq, struct ath_atx_ac, 670 list); 671 len += snprintf(buf + len, size - len, 672 "txq[%i] first-ac: %p sched: %i\n", 673 i, ac, ac->sched); 674 if (list_empty(&ac->tid_q) || (len >= size)) 675 goto done_for; 676 tid = list_first_entry(&ac->tid_q, struct ath_atx_tid, 677 list); 678 len += snprintf(buf + len, size - len, 679 " first-tid: %p sched: %i paused: %i\n", 680 tid, tid->sched, tid->paused); 681 } 682 done_for: 683 spin_unlock_bh(&txq->axq_lock); 684 } 685 686 done: 687 if (len > size) 688 len = size; 689 690 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len); 691 kfree(buf); 692 693 return retval; 694 } 695 696 static ssize_t read_file_stations(struct file *file, char __user *user_buf, 697 size_t count, loff_t *ppos) 698 { 699 struct ath_softc *sc = file->private_data; 700 char *buf; 701 unsigned int len = 0, size = 64000; 702 struct ath_node *an = NULL; 703 ssize_t retval = 0; 704 int q; 705 706 buf = kzalloc(size, GFP_KERNEL); 707 if (buf == NULL) 708 return -ENOMEM; 709 710 len += snprintf(buf + len, size - len, 711 "Stations:\n" 712 " tid: addr sched paused buf_q-empty an ac\n" 713 " ac: addr sched tid_q-empty txq\n"); 714 715 spin_lock(&sc->nodes_lock); 716 list_for_each_entry(an, &sc->nodes, list) { 717 len += snprintf(buf + len, size - len, 718 "%pM\n", an->sta->addr); 719 if (len >= size) 720 goto done; 721 722 for (q = 0; q < WME_NUM_TID; q++) { 723 struct ath_atx_tid *tid = &(an->tid[q]); 724 len += snprintf(buf + len, size - len, 725 " tid: %p %s %s %i %p %p\n", 726 tid, tid->sched ? "sched" : "idle", 727 tid->paused ? "paused" : "running", 728 skb_queue_empty(&tid->buf_q), 729 tid->an, tid->ac); 730 if (len >= size) 731 goto done; 732 } 733 734 for (q = 0; q < WME_NUM_AC; q++) { 735 struct ath_atx_ac *ac = &(an->ac[q]); 736 len += snprintf(buf + len, size - len, 737 " ac: %p %s %i %p\n", 738 ac, ac->sched ? "sched" : "idle", 739 list_empty(&ac->tid_q), ac->txq); 740 if (len >= size) 741 goto done; 742 } 743 } 744 745 done: 746 spin_unlock(&sc->nodes_lock); 747 if (len > size) 748 len = size; 749 750 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len); 751 kfree(buf); 752 753 return retval; 754 } 755 756 static ssize_t read_file_misc(struct file *file, char __user *user_buf, 757 size_t count, loff_t *ppos) 758 { 759 struct ath_softc *sc = file->private_data; 760 struct ath_common *common = ath9k_hw_common(sc->sc_ah); 761 struct ath_hw *ah = sc->sc_ah; 762 struct ieee80211_hw *hw = sc->hw; 763 char *buf; 764 unsigned int len = 0, size = 8000; 765 ssize_t retval = 0; 766 unsigned int reg; 767 struct ath9k_vif_iter_data iter_data; 768 769 ath9k_calculate_iter_data(hw, NULL, &iter_data); 770 771 buf = kzalloc(size, GFP_KERNEL); 772 if (buf == NULL) 773 return -ENOMEM; 774 775 ath9k_ps_wakeup(sc); 776 len += snprintf(buf + len, size - len, 777 "curbssid: %pM\n" 778 "OP-Mode: %s(%i)\n" 779 "Beacon-Timer-Register: 0x%x\n", 780 common->curbssid, 781 ath_opmode_to_string(sc->sc_ah->opmode), 782 (int)(sc->sc_ah->opmode), 783 REG_READ(ah, AR_BEACON_PERIOD)); 784 785 reg = REG_READ(ah, AR_TIMER_MODE); 786 ath9k_ps_restore(sc); 787 len += snprintf(buf + len, size - len, "Timer-Mode-Register: 0x%x (", 788 reg); 789 if (reg & AR_TBTT_TIMER_EN) 790 len += snprintf(buf + len, size - len, "TBTT "); 791 if (reg & AR_DBA_TIMER_EN) 792 len += snprintf(buf + len, size - len, "DBA "); 793 if (reg & AR_SWBA_TIMER_EN) 794 len += snprintf(buf + len, size - len, "SWBA "); 795 if (reg & AR_HCF_TIMER_EN) 796 len += snprintf(buf + len, size - len, "HCF "); 797 if (reg & AR_TIM_TIMER_EN) 798 len += snprintf(buf + len, size - len, "TIM "); 799 if (reg & AR_DTIM_TIMER_EN) 800 len += snprintf(buf + len, size - len, "DTIM "); 801 len += snprintf(buf + len, size - len, ")\n"); 802 803 reg = sc->sc_ah->imask; 804 len += snprintf(buf + len, size - len, "imask: 0x%x (", reg); 805 if (reg & ATH9K_INT_SWBA) 806 len += snprintf(buf + len, size - len, "SWBA "); 807 if (reg & ATH9K_INT_BMISS) 808 len += snprintf(buf + len, size - len, "BMISS "); 809 if (reg & ATH9K_INT_CST) 810 len += snprintf(buf + len, size - len, "CST "); 811 if (reg & ATH9K_INT_RX) 812 len += snprintf(buf + len, size - len, "RX "); 813 if (reg & ATH9K_INT_RXHP) 814 len += snprintf(buf + len, size - len, "RXHP "); 815 if (reg & ATH9K_INT_RXLP) 816 len += snprintf(buf + len, size - len, "RXLP "); 817 if (reg & ATH9K_INT_BB_WATCHDOG) 818 len += snprintf(buf + len, size - len, "BB_WATCHDOG "); 819 /* there are other IRQs if one wanted to add them. */ 820 len += snprintf(buf + len, size - len, ")\n"); 821 822 len += snprintf(buf + len, size - len, 823 "VIF Counts: AP: %i STA: %i MESH: %i WDS: %i" 824 " ADHOC: %i OTHER: %i nvifs: %hi beacon-vifs: %hi\n", 825 iter_data.naps, iter_data.nstations, iter_data.nmeshes, 826 iter_data.nwds, iter_data.nadhocs, iter_data.nothers, 827 sc->nvifs, sc->nbcnvifs); 828 829 len += snprintf(buf + len, size - len, 830 "Calculated-BSSID-Mask: %pM\n", 831 iter_data.mask); 832 833 if (len > size) 834 len = size; 835 836 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len); 837 kfree(buf); 838 839 return retval; 840 } 841 842 void ath_debug_stat_tx(struct ath_softc *sc, struct ath_buf *bf, 843 struct ath_tx_status *ts, struct ath_txq *txq, 844 unsigned int flags) 845 { 846 #define TX_SAMP_DBG(c) (sc->debug.bb_mac_samp[sc->debug.sampidx].ts\ 847 [sc->debug.tsidx].c) 848 int qnum = txq->axq_qnum; 849 850 TX_STAT_INC(qnum, tx_pkts_all); 851 sc->debug.stats.txstats[qnum].tx_bytes_all += bf->bf_mpdu->len; 852 853 if (bf_isampdu(bf)) { 854 if (flags & ATH_TX_BAR) 855 TX_STAT_INC(qnum, a_xretries); 856 else 857 TX_STAT_INC(qnum, a_completed); 858 } else { 859 if (ts->ts_status & ATH9K_TXERR_XRETRY) 860 TX_STAT_INC(qnum, xretries); 861 else 862 TX_STAT_INC(qnum, completed); 863 } 864 865 if (ts->ts_status & ATH9K_TXERR_FIFO) 866 TX_STAT_INC(qnum, fifo_underrun); 867 if (ts->ts_status & ATH9K_TXERR_XTXOP) 868 TX_STAT_INC(qnum, xtxop); 869 if (ts->ts_status & ATH9K_TXERR_TIMER_EXPIRED) 870 TX_STAT_INC(qnum, timer_exp); 871 if (ts->ts_flags & ATH9K_TX_DESC_CFG_ERR) 872 TX_STAT_INC(qnum, desc_cfg_err); 873 if (ts->ts_flags & ATH9K_TX_DATA_UNDERRUN) 874 TX_STAT_INC(qnum, data_underrun); 875 if (ts->ts_flags & ATH9K_TX_DELIM_UNDERRUN) 876 TX_STAT_INC(qnum, delim_underrun); 877 878 spin_lock(&sc->debug.samp_lock); 879 TX_SAMP_DBG(jiffies) = jiffies; 880 TX_SAMP_DBG(rssi_ctl0) = ts->ts_rssi_ctl0; 881 TX_SAMP_DBG(rssi_ctl1) = ts->ts_rssi_ctl1; 882 TX_SAMP_DBG(rssi_ctl2) = ts->ts_rssi_ctl2; 883 TX_SAMP_DBG(rssi_ext0) = ts->ts_rssi_ext0; 884 TX_SAMP_DBG(rssi_ext1) = ts->ts_rssi_ext1; 885 TX_SAMP_DBG(rssi_ext2) = ts->ts_rssi_ext2; 886 TX_SAMP_DBG(rateindex) = ts->ts_rateindex; 887 TX_SAMP_DBG(isok) = !!(ts->ts_status & ATH9K_TXERR_MASK); 888 TX_SAMP_DBG(rts_fail_cnt) = ts->ts_shortretry; 889 TX_SAMP_DBG(data_fail_cnt) = ts->ts_longretry; 890 TX_SAMP_DBG(rssi) = ts->ts_rssi; 891 TX_SAMP_DBG(tid) = ts->tid; 892 TX_SAMP_DBG(qid) = ts->qid; 893 894 if (ts->ts_flags & ATH9K_TX_BA) { 895 TX_SAMP_DBG(ba_low) = ts->ba_low; 896 TX_SAMP_DBG(ba_high) = ts->ba_high; 897 } else { 898 TX_SAMP_DBG(ba_low) = 0; 899 TX_SAMP_DBG(ba_high) = 0; 900 } 901 902 sc->debug.tsidx = (sc->debug.tsidx + 1) % ATH_DBG_MAX_SAMPLES; 903 spin_unlock(&sc->debug.samp_lock); 904 905 #undef TX_SAMP_DBG 906 } 907 908 static const struct file_operations fops_xmit = { 909 .read = read_file_xmit, 910 .open = ath9k_debugfs_open, 911 .owner = THIS_MODULE, 912 .llseek = default_llseek, 913 }; 914 915 static const struct file_operations fops_stations = { 916 .read = read_file_stations, 917 .open = ath9k_debugfs_open, 918 .owner = THIS_MODULE, 919 .llseek = default_llseek, 920 }; 921 922 static const struct file_operations fops_misc = { 923 .read = read_file_misc, 924 .open = ath9k_debugfs_open, 925 .owner = THIS_MODULE, 926 .llseek = default_llseek, 927 }; 928 929 static ssize_t read_file_recv(struct file *file, char __user *user_buf, 930 size_t count, loff_t *ppos) 931 { 932 #define PHY_ERR(s, p) \ 933 len += snprintf(buf + len, size - len, "%18s : %10u\n", s, \ 934 sc->debug.stats.rxstats.phy_err_stats[p]); 935 936 struct ath_softc *sc = file->private_data; 937 char *buf; 938 unsigned int len = 0, size = 1400; 939 ssize_t retval = 0; 940 941 buf = kzalloc(size, GFP_KERNEL); 942 if (buf == NULL) 943 return -ENOMEM; 944 945 len += snprintf(buf + len, size - len, 946 "%18s : %10u\n", "CRC ERR", 947 sc->debug.stats.rxstats.crc_err); 948 len += snprintf(buf + len, size - len, 949 "%18s : %10u\n", "DECRYPT CRC ERR", 950 sc->debug.stats.rxstats.decrypt_crc_err); 951 len += snprintf(buf + len, size - len, 952 "%18s : %10u\n", "PHY ERR", 953 sc->debug.stats.rxstats.phy_err); 954 len += snprintf(buf + len, size - len, 955 "%18s : %10u\n", "MIC ERR", 956 sc->debug.stats.rxstats.mic_err); 957 len += snprintf(buf + len, size - len, 958 "%18s : %10u\n", "PRE-DELIM CRC ERR", 959 sc->debug.stats.rxstats.pre_delim_crc_err); 960 len += snprintf(buf + len, size - len, 961 "%18s : %10u\n", "POST-DELIM CRC ERR", 962 sc->debug.stats.rxstats.post_delim_crc_err); 963 len += snprintf(buf + len, size - len, 964 "%18s : %10u\n", "DECRYPT BUSY ERR", 965 sc->debug.stats.rxstats.decrypt_busy_err); 966 967 len += snprintf(buf + len, size - len, 968 "%18s : %10d\n", "RSSI-CTL0", 969 sc->debug.stats.rxstats.rs_rssi_ctl0); 970 971 len += snprintf(buf + len, size - len, 972 "%18s : %10d\n", "RSSI-CTL1", 973 sc->debug.stats.rxstats.rs_rssi_ctl1); 974 975 len += snprintf(buf + len, size - len, 976 "%18s : %10d\n", "RSSI-CTL2", 977 sc->debug.stats.rxstats.rs_rssi_ctl2); 978 979 len += snprintf(buf + len, size - len, 980 "%18s : %10d\n", "RSSI-EXT0", 981 sc->debug.stats.rxstats.rs_rssi_ext0); 982 983 len += snprintf(buf + len, size - len, 984 "%18s : %10d\n", "RSSI-EXT1", 985 sc->debug.stats.rxstats.rs_rssi_ext1); 986 987 len += snprintf(buf + len, size - len, 988 "%18s : %10d\n", "RSSI-EXT2", 989 sc->debug.stats.rxstats.rs_rssi_ext2); 990 991 len += snprintf(buf + len, size - len, 992 "%18s : %10d\n", "Rx Antenna", 993 sc->debug.stats.rxstats.rs_antenna); 994 995 PHY_ERR("UNDERRUN", ATH9K_PHYERR_UNDERRUN); 996 PHY_ERR("TIMING", ATH9K_PHYERR_TIMING); 997 PHY_ERR("PARITY", ATH9K_PHYERR_PARITY); 998 PHY_ERR("RATE", ATH9K_PHYERR_RATE); 999 PHY_ERR("LENGTH", ATH9K_PHYERR_LENGTH); 1000 PHY_ERR("RADAR", ATH9K_PHYERR_RADAR); 1001 PHY_ERR("SERVICE", ATH9K_PHYERR_SERVICE); 1002 PHY_ERR("TOR", ATH9K_PHYERR_TOR); 1003 PHY_ERR("OFDM-TIMING", ATH9K_PHYERR_OFDM_TIMING); 1004 PHY_ERR("OFDM-SIGNAL-PARITY", ATH9K_PHYERR_OFDM_SIGNAL_PARITY); 1005 PHY_ERR("OFDM-RATE", ATH9K_PHYERR_OFDM_RATE_ILLEGAL); 1006 PHY_ERR("OFDM-LENGTH", ATH9K_PHYERR_OFDM_LENGTH_ILLEGAL); 1007 PHY_ERR("OFDM-POWER-DROP", ATH9K_PHYERR_OFDM_POWER_DROP); 1008 PHY_ERR("OFDM-SERVICE", ATH9K_PHYERR_OFDM_SERVICE); 1009 PHY_ERR("OFDM-RESTART", ATH9K_PHYERR_OFDM_RESTART); 1010 PHY_ERR("FALSE-RADAR-EXT", ATH9K_PHYERR_FALSE_RADAR_EXT); 1011 PHY_ERR("CCK-TIMING", ATH9K_PHYERR_CCK_TIMING); 1012 PHY_ERR("CCK-HEADER-CRC", ATH9K_PHYERR_CCK_HEADER_CRC); 1013 PHY_ERR("CCK-RATE", ATH9K_PHYERR_CCK_RATE_ILLEGAL); 1014 PHY_ERR("CCK-SERVICE", ATH9K_PHYERR_CCK_SERVICE); 1015 PHY_ERR("CCK-RESTART", ATH9K_PHYERR_CCK_RESTART); 1016 PHY_ERR("CCK-LENGTH", ATH9K_PHYERR_CCK_LENGTH_ILLEGAL); 1017 PHY_ERR("CCK-POWER-DROP", ATH9K_PHYERR_CCK_POWER_DROP); 1018 PHY_ERR("HT-CRC", ATH9K_PHYERR_HT_CRC_ERROR); 1019 PHY_ERR("HT-LENGTH", ATH9K_PHYERR_HT_LENGTH_ILLEGAL); 1020 PHY_ERR("HT-RATE", ATH9K_PHYERR_HT_RATE_ILLEGAL); 1021 1022 len += snprintf(buf + len, size - len, 1023 "%18s : %10u\n", "RX-Pkts-All", 1024 sc->debug.stats.rxstats.rx_pkts_all); 1025 len += snprintf(buf + len, size - len, 1026 "%18s : %10u\n", "RX-Bytes-All", 1027 sc->debug.stats.rxstats.rx_bytes_all); 1028 1029 if (len > size) 1030 len = size; 1031 1032 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len); 1033 kfree(buf); 1034 1035 return retval; 1036 1037 #undef PHY_ERR 1038 } 1039 1040 void ath_debug_stat_rx(struct ath_softc *sc, struct ath_rx_status *rs) 1041 { 1042 #define RX_STAT_INC(c) sc->debug.stats.rxstats.c++ 1043 #define RX_PHY_ERR_INC(c) sc->debug.stats.rxstats.phy_err_stats[c]++ 1044 #define RX_SAMP_DBG(c) (sc->debug.bb_mac_samp[sc->debug.sampidx].rs\ 1045 [sc->debug.rsidx].c) 1046 1047 u32 phyerr; 1048 1049 RX_STAT_INC(rx_pkts_all); 1050 sc->debug.stats.rxstats.rx_bytes_all += rs->rs_datalen; 1051 1052 if (rs->rs_status & ATH9K_RXERR_CRC) 1053 RX_STAT_INC(crc_err); 1054 if (rs->rs_status & ATH9K_RXERR_DECRYPT) 1055 RX_STAT_INC(decrypt_crc_err); 1056 if (rs->rs_status & ATH9K_RXERR_MIC) 1057 RX_STAT_INC(mic_err); 1058 if (rs->rs_status & ATH9K_RX_DELIM_CRC_PRE) 1059 RX_STAT_INC(pre_delim_crc_err); 1060 if (rs->rs_status & ATH9K_RX_DELIM_CRC_POST) 1061 RX_STAT_INC(post_delim_crc_err); 1062 if (rs->rs_status & ATH9K_RX_DECRYPT_BUSY) 1063 RX_STAT_INC(decrypt_busy_err); 1064 1065 if (rs->rs_status & ATH9K_RXERR_PHY) { 1066 RX_STAT_INC(phy_err); 1067 phyerr = rs->rs_phyerr & 0x24; 1068 RX_PHY_ERR_INC(phyerr); 1069 } 1070 1071 sc->debug.stats.rxstats.rs_rssi_ctl0 = rs->rs_rssi_ctl0; 1072 sc->debug.stats.rxstats.rs_rssi_ctl1 = rs->rs_rssi_ctl1; 1073 sc->debug.stats.rxstats.rs_rssi_ctl2 = rs->rs_rssi_ctl2; 1074 1075 sc->debug.stats.rxstats.rs_rssi_ext0 = rs->rs_rssi_ext0; 1076 sc->debug.stats.rxstats.rs_rssi_ext1 = rs->rs_rssi_ext1; 1077 sc->debug.stats.rxstats.rs_rssi_ext2 = rs->rs_rssi_ext2; 1078 1079 sc->debug.stats.rxstats.rs_antenna = rs->rs_antenna; 1080 1081 spin_lock(&sc->debug.samp_lock); 1082 RX_SAMP_DBG(jiffies) = jiffies; 1083 RX_SAMP_DBG(rssi_ctl0) = rs->rs_rssi_ctl0; 1084 RX_SAMP_DBG(rssi_ctl1) = rs->rs_rssi_ctl1; 1085 RX_SAMP_DBG(rssi_ctl2) = rs->rs_rssi_ctl2; 1086 RX_SAMP_DBG(rssi_ext0) = rs->rs_rssi_ext0; 1087 RX_SAMP_DBG(rssi_ext1) = rs->rs_rssi_ext1; 1088 RX_SAMP_DBG(rssi_ext2) = rs->rs_rssi_ext2; 1089 RX_SAMP_DBG(antenna) = rs->rs_antenna; 1090 RX_SAMP_DBG(rssi) = rs->rs_rssi; 1091 RX_SAMP_DBG(rate) = rs->rs_rate; 1092 RX_SAMP_DBG(is_mybeacon) = rs->is_mybeacon; 1093 1094 sc->debug.rsidx = (sc->debug.rsidx + 1) % ATH_DBG_MAX_SAMPLES; 1095 spin_unlock(&sc->debug.samp_lock); 1096 1097 #undef RX_STAT_INC 1098 #undef RX_PHY_ERR_INC 1099 #undef RX_SAMP_DBG 1100 } 1101 1102 static const struct file_operations fops_recv = { 1103 .read = read_file_recv, 1104 .open = ath9k_debugfs_open, 1105 .owner = THIS_MODULE, 1106 .llseek = default_llseek, 1107 }; 1108 1109 static ssize_t read_file_regidx(struct file *file, char __user *user_buf, 1110 size_t count, loff_t *ppos) 1111 { 1112 struct ath_softc *sc = file->private_data; 1113 char buf[32]; 1114 unsigned int len; 1115 1116 len = sprintf(buf, "0x%08x\n", sc->debug.regidx); 1117 return simple_read_from_buffer(user_buf, count, ppos, buf, len); 1118 } 1119 1120 static ssize_t write_file_regidx(struct file *file, const char __user *user_buf, 1121 size_t count, loff_t *ppos) 1122 { 1123 struct ath_softc *sc = file->private_data; 1124 unsigned long regidx; 1125 char buf[32]; 1126 ssize_t len; 1127 1128 len = min(count, sizeof(buf) - 1); 1129 if (copy_from_user(buf, user_buf, len)) 1130 return -EFAULT; 1131 1132 buf[len] = '\0'; 1133 if (strict_strtoul(buf, 0, ®idx)) 1134 return -EINVAL; 1135 1136 sc->debug.regidx = regidx; 1137 return count; 1138 } 1139 1140 static const struct file_operations fops_regidx = { 1141 .read = read_file_regidx, 1142 .write = write_file_regidx, 1143 .open = ath9k_debugfs_open, 1144 .owner = THIS_MODULE, 1145 .llseek = default_llseek, 1146 }; 1147 1148 static ssize_t read_file_regval(struct file *file, char __user *user_buf, 1149 size_t count, loff_t *ppos) 1150 { 1151 struct ath_softc *sc = file->private_data; 1152 struct ath_hw *ah = sc->sc_ah; 1153 char buf[32]; 1154 unsigned int len; 1155 u32 regval; 1156 1157 ath9k_ps_wakeup(sc); 1158 regval = REG_READ_D(ah, sc->debug.regidx); 1159 ath9k_ps_restore(sc); 1160 len = sprintf(buf, "0x%08x\n", regval); 1161 return simple_read_from_buffer(user_buf, count, ppos, buf, len); 1162 } 1163 1164 static ssize_t write_file_regval(struct file *file, const char __user *user_buf, 1165 size_t count, loff_t *ppos) 1166 { 1167 struct ath_softc *sc = file->private_data; 1168 struct ath_hw *ah = sc->sc_ah; 1169 unsigned long regval; 1170 char buf[32]; 1171 ssize_t len; 1172 1173 len = min(count, sizeof(buf) - 1); 1174 if (copy_from_user(buf, user_buf, len)) 1175 return -EFAULT; 1176 1177 buf[len] = '\0'; 1178 if (strict_strtoul(buf, 0, ®val)) 1179 return -EINVAL; 1180 1181 ath9k_ps_wakeup(sc); 1182 REG_WRITE_D(ah, sc->debug.regidx, regval); 1183 ath9k_ps_restore(sc); 1184 return count; 1185 } 1186 1187 static const struct file_operations fops_regval = { 1188 .read = read_file_regval, 1189 .write = write_file_regval, 1190 .open = ath9k_debugfs_open, 1191 .owner = THIS_MODULE, 1192 .llseek = default_llseek, 1193 }; 1194 1195 #define REGDUMP_LINE_SIZE 20 1196 1197 static int open_file_regdump(struct inode *inode, struct file *file) 1198 { 1199 struct ath_softc *sc = inode->i_private; 1200 unsigned int len = 0; 1201 u8 *buf; 1202 int i; 1203 unsigned long num_regs, regdump_len, max_reg_offset; 1204 1205 max_reg_offset = AR_SREV_9300_20_OR_LATER(sc->sc_ah) ? 0x16bd4 : 0xb500; 1206 num_regs = max_reg_offset / 4 + 1; 1207 regdump_len = num_regs * REGDUMP_LINE_SIZE + 1; 1208 buf = vmalloc(regdump_len); 1209 if (!buf) 1210 return -ENOMEM; 1211 1212 ath9k_ps_wakeup(sc); 1213 for (i = 0; i < num_regs; i++) 1214 len += scnprintf(buf + len, regdump_len - len, 1215 "0x%06x 0x%08x\n", i << 2, REG_READ(sc->sc_ah, i << 2)); 1216 ath9k_ps_restore(sc); 1217 1218 file->private_data = buf; 1219 1220 return 0; 1221 } 1222 1223 static const struct file_operations fops_regdump = { 1224 .open = open_file_regdump, 1225 .read = ath9k_debugfs_read_buf, 1226 .release = ath9k_debugfs_release_buf, 1227 .owner = THIS_MODULE, 1228 .llseek = default_llseek,/* read accesses f_pos */ 1229 }; 1230 1231 static ssize_t read_file_dump_nfcal(struct file *file, char __user *user_buf, 1232 size_t count, loff_t *ppos) 1233 { 1234 struct ath_softc *sc = file->private_data; 1235 struct ath_hw *ah = sc->sc_ah; 1236 struct ath9k_nfcal_hist *h = sc->caldata.nfCalHist; 1237 struct ath_common *common = ath9k_hw_common(ah); 1238 struct ieee80211_conf *conf = &common->hw->conf; 1239 u32 len = 0, size = 1500; 1240 u32 i, j; 1241 ssize_t retval = 0; 1242 char *buf; 1243 u8 chainmask = (ah->rxchainmask << 3) | ah->rxchainmask; 1244 u8 nread; 1245 1246 buf = kzalloc(size, GFP_KERNEL); 1247 if (!buf) 1248 return -ENOMEM; 1249 1250 len += snprintf(buf + len, size - len, 1251 "Channel Noise Floor : %d\n", ah->noise); 1252 len += snprintf(buf + len, size - len, 1253 "Chain | privNF | # Readings | NF Readings\n"); 1254 for (i = 0; i < NUM_NF_READINGS; i++) { 1255 if (!(chainmask & (1 << i)) || 1256 ((i >= AR5416_MAX_CHAINS) && !conf_is_ht40(conf))) 1257 continue; 1258 1259 nread = AR_PHY_CCA_FILTERWINDOW_LENGTH - h[i].invalidNFcount; 1260 len += snprintf(buf + len, size - len, " %d\t %d\t %d\t\t", 1261 i, h[i].privNF, nread); 1262 for (j = 0; j < nread; j++) 1263 len += snprintf(buf + len, size - len, 1264 " %d", h[i].nfCalBuffer[j]); 1265 len += snprintf(buf + len, size - len, "\n"); 1266 } 1267 1268 if (len > size) 1269 len = size; 1270 1271 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len); 1272 kfree(buf); 1273 1274 return retval; 1275 } 1276 1277 static const struct file_operations fops_dump_nfcal = { 1278 .read = read_file_dump_nfcal, 1279 .open = ath9k_debugfs_open, 1280 .owner = THIS_MODULE, 1281 .llseek = default_llseek, 1282 }; 1283 1284 static ssize_t read_file_base_eeprom(struct file *file, char __user *user_buf, 1285 size_t count, loff_t *ppos) 1286 { 1287 struct ath_softc *sc = file->private_data; 1288 struct ath_hw *ah = sc->sc_ah; 1289 u32 len = 0, size = 1500; 1290 ssize_t retval = 0; 1291 char *buf; 1292 1293 buf = kzalloc(size, GFP_KERNEL); 1294 if (!buf) 1295 return -ENOMEM; 1296 1297 len = ah->eep_ops->dump_eeprom(ah, true, buf, len, size); 1298 1299 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len); 1300 kfree(buf); 1301 1302 return retval; 1303 } 1304 1305 static const struct file_operations fops_base_eeprom = { 1306 .read = read_file_base_eeprom, 1307 .open = ath9k_debugfs_open, 1308 .owner = THIS_MODULE, 1309 .llseek = default_llseek, 1310 }; 1311 1312 static ssize_t read_file_modal_eeprom(struct file *file, char __user *user_buf, 1313 size_t count, loff_t *ppos) 1314 { 1315 struct ath_softc *sc = file->private_data; 1316 struct ath_hw *ah = sc->sc_ah; 1317 u32 len = 0, size = 6000; 1318 char *buf; 1319 size_t retval; 1320 1321 buf = kzalloc(size, GFP_KERNEL); 1322 if (buf == NULL) 1323 return -ENOMEM; 1324 1325 len = ah->eep_ops->dump_eeprom(ah, false, buf, len, size); 1326 1327 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len); 1328 kfree(buf); 1329 1330 return retval; 1331 } 1332 1333 static const struct file_operations fops_modal_eeprom = { 1334 .read = read_file_modal_eeprom, 1335 .open = ath9k_debugfs_open, 1336 .owner = THIS_MODULE, 1337 .llseek = default_llseek, 1338 }; 1339 1340 void ath9k_debug_samp_bb_mac(struct ath_softc *sc) 1341 { 1342 #define ATH_SAMP_DBG(c) (sc->debug.bb_mac_samp[sc->debug.sampidx].c) 1343 struct ath_hw *ah = sc->sc_ah; 1344 struct ath_common *common = ath9k_hw_common(ah); 1345 unsigned long flags; 1346 int i; 1347 1348 ath9k_ps_wakeup(sc); 1349 1350 spin_lock_bh(&sc->debug.samp_lock); 1351 1352 spin_lock_irqsave(&common->cc_lock, flags); 1353 ath_hw_cycle_counters_update(common); 1354 1355 ATH_SAMP_DBG(cc.cycles) = common->cc_ani.cycles; 1356 ATH_SAMP_DBG(cc.rx_busy) = common->cc_ani.rx_busy; 1357 ATH_SAMP_DBG(cc.rx_frame) = common->cc_ani.rx_frame; 1358 ATH_SAMP_DBG(cc.tx_frame) = common->cc_ani.tx_frame; 1359 spin_unlock_irqrestore(&common->cc_lock, flags); 1360 1361 ATH_SAMP_DBG(noise) = ah->noise; 1362 1363 REG_WRITE_D(ah, AR_MACMISC, 1364 ((AR_MACMISC_DMA_OBS_LINE_8 << AR_MACMISC_DMA_OBS_S) | 1365 (AR_MACMISC_MISC_OBS_BUS_1 << 1366 AR_MACMISC_MISC_OBS_BUS_MSB_S))); 1367 1368 for (i = 0; i < ATH9K_NUM_DMA_DEBUG_REGS; i++) 1369 ATH_SAMP_DBG(dma_dbg_reg_vals[i]) = REG_READ_D(ah, 1370 AR_DMADBG_0 + (i * sizeof(u32))); 1371 1372 ATH_SAMP_DBG(pcu_obs) = REG_READ_D(ah, AR_OBS_BUS_1); 1373 ATH_SAMP_DBG(pcu_cr) = REG_READ_D(ah, AR_CR); 1374 1375 memcpy(ATH_SAMP_DBG(nfCalHist), sc->caldata.nfCalHist, 1376 sizeof(ATH_SAMP_DBG(nfCalHist))); 1377 1378 sc->debug.sampidx = (sc->debug.sampidx + 1) % ATH_DBG_MAX_SAMPLES; 1379 spin_unlock_bh(&sc->debug.samp_lock); 1380 ath9k_ps_restore(sc); 1381 1382 #undef ATH_SAMP_DBG 1383 } 1384 1385 static int open_file_bb_mac_samps(struct inode *inode, struct file *file) 1386 { 1387 #define ATH_SAMP_DBG(c) bb_mac_samp[sampidx].c 1388 struct ath_softc *sc = inode->i_private; 1389 struct ath_hw *ah = sc->sc_ah; 1390 struct ath_common *common = ath9k_hw_common(ah); 1391 struct ieee80211_conf *conf = &common->hw->conf; 1392 struct ath_dbg_bb_mac_samp *bb_mac_samp; 1393 struct ath9k_nfcal_hist *h; 1394 int i, j, qcuOffset = 0, dcuOffset = 0; 1395 u32 *qcuBase, *dcuBase, size = 30000, len = 0; 1396 u32 sampidx = 0; 1397 u8 *buf; 1398 u8 chainmask = (ah->rxchainmask << 3) | ah->rxchainmask; 1399 u8 nread; 1400 1401 if (sc->sc_flags & SC_OP_INVALID) 1402 return -EAGAIN; 1403 1404 buf = vmalloc(size); 1405 if (!buf) 1406 return -ENOMEM; 1407 bb_mac_samp = vmalloc(sizeof(*bb_mac_samp) * ATH_DBG_MAX_SAMPLES); 1408 if (!bb_mac_samp) { 1409 vfree(buf); 1410 return -ENOMEM; 1411 } 1412 /* Account the current state too */ 1413 ath9k_debug_samp_bb_mac(sc); 1414 1415 spin_lock_bh(&sc->debug.samp_lock); 1416 memcpy(bb_mac_samp, sc->debug.bb_mac_samp, 1417 sizeof(*bb_mac_samp) * ATH_DBG_MAX_SAMPLES); 1418 len += snprintf(buf + len, size - len, 1419 "Current Sample Index: %d\n", sc->debug.sampidx); 1420 spin_unlock_bh(&sc->debug.samp_lock); 1421 1422 len += snprintf(buf + len, size - len, 1423 "Raw DMA Debug Dump:\n"); 1424 len += snprintf(buf + len, size - len, "Sample |\t"); 1425 for (i = 0; i < ATH9K_NUM_DMA_DEBUG_REGS; i++) 1426 len += snprintf(buf + len, size - len, " DMA Reg%d |\t", i); 1427 len += snprintf(buf + len, size - len, "\n"); 1428 1429 for (sampidx = 0; sampidx < ATH_DBG_MAX_SAMPLES; sampidx++) { 1430 len += snprintf(buf + len, size - len, "%d\t", sampidx); 1431 1432 for (i = 0; i < ATH9K_NUM_DMA_DEBUG_REGS; i++) 1433 len += snprintf(buf + len, size - len, " %08x\t", 1434 ATH_SAMP_DBG(dma_dbg_reg_vals[i])); 1435 len += snprintf(buf + len, size - len, "\n"); 1436 } 1437 len += snprintf(buf + len, size - len, "\n"); 1438 1439 len += snprintf(buf + len, size - len, 1440 "Sample Num QCU: chain_st fsp_ok fsp_st DCU: chain_st\n"); 1441 for (sampidx = 0; sampidx < ATH_DBG_MAX_SAMPLES; sampidx++) { 1442 qcuBase = &ATH_SAMP_DBG(dma_dbg_reg_vals[0]); 1443 dcuBase = &ATH_SAMP_DBG(dma_dbg_reg_vals[4]); 1444 1445 for (i = 0; i < ATH9K_NUM_QUEUES; i++, 1446 qcuOffset += 4, dcuOffset += 5) { 1447 if (i == 8) { 1448 qcuOffset = 0; 1449 qcuBase++; 1450 } 1451 1452 if (i == 6) { 1453 dcuOffset = 0; 1454 dcuBase++; 1455 } 1456 if (!sc->debug.stats.txstats[i].queued) 1457 continue; 1458 1459 len += snprintf(buf + len, size - len, 1460 "%4d %7d %2x %1x %2x %2x\n", 1461 sampidx, i, 1462 (*qcuBase & (0x7 << qcuOffset)) >> qcuOffset, 1463 (*qcuBase & (0x8 << qcuOffset)) >> 1464 (qcuOffset + 3), 1465 ATH_SAMP_DBG(dma_dbg_reg_vals[2]) & 1466 (0x7 << (i * 3)) >> (i * 3), 1467 (*dcuBase & (0x1f << dcuOffset)) >> dcuOffset); 1468 } 1469 len += snprintf(buf + len, size - len, "\n"); 1470 } 1471 len += snprintf(buf + len, size - len, 1472 "samp qcu_sh qcu_fh qcu_comp dcu_comp dcu_arb dcu_fp " 1473 "ch_idle_dur ch_idle_dur_val txfifo_val0 txfifo_val1 " 1474 "txfifo_dcu0 txfifo_dcu1 pcu_obs AR_CR\n"); 1475 1476 for (sampidx = 0; sampidx < ATH_DBG_MAX_SAMPLES; sampidx++) { 1477 qcuBase = &ATH_SAMP_DBG(dma_dbg_reg_vals[0]); 1478 dcuBase = &ATH_SAMP_DBG(dma_dbg_reg_vals[4]); 1479 1480 len += snprintf(buf + len, size - len, "%4d %5x %5x ", sampidx, 1481 (ATH_SAMP_DBG(dma_dbg_reg_vals[3]) & 0x003c0000) >> 18, 1482 (ATH_SAMP_DBG(dma_dbg_reg_vals[3]) & 0x03c00000) >> 22); 1483 len += snprintf(buf + len, size - len, "%7x %8x ", 1484 (ATH_SAMP_DBG(dma_dbg_reg_vals[3]) & 0x1c000000) >> 26, 1485 (ATH_SAMP_DBG(dma_dbg_reg_vals[6]) & 0x3)); 1486 len += snprintf(buf + len, size - len, "%7x %7x ", 1487 (ATH_SAMP_DBG(dma_dbg_reg_vals[5]) & 0x06000000) >> 25, 1488 (ATH_SAMP_DBG(dma_dbg_reg_vals[5]) & 0x38000000) >> 27); 1489 len += snprintf(buf + len, size - len, "%7d %12d ", 1490 (ATH_SAMP_DBG(dma_dbg_reg_vals[6]) & 0x000003fc) >> 2, 1491 (ATH_SAMP_DBG(dma_dbg_reg_vals[6]) & 0x00000400) >> 10); 1492 len += snprintf(buf + len, size - len, "%12d %12d ", 1493 (ATH_SAMP_DBG(dma_dbg_reg_vals[6]) & 0x00000800) >> 11, 1494 (ATH_SAMP_DBG(dma_dbg_reg_vals[6]) & 0x00001000) >> 12); 1495 len += snprintf(buf + len, size - len, "%12d %12d ", 1496 (ATH_SAMP_DBG(dma_dbg_reg_vals[6]) & 0x0001e000) >> 13, 1497 (ATH_SAMP_DBG(dma_dbg_reg_vals[6]) & 0x001e0000) >> 17); 1498 len += snprintf(buf + len, size - len, "0x%07x 0x%07x\n", 1499 ATH_SAMP_DBG(pcu_obs), ATH_SAMP_DBG(pcu_cr)); 1500 } 1501 1502 len += snprintf(buf + len, size - len, 1503 "Sample ChNoise Chain privNF #Reading Readings\n"); 1504 for (sampidx = 0; sampidx < ATH_DBG_MAX_SAMPLES; sampidx++) { 1505 h = ATH_SAMP_DBG(nfCalHist); 1506 if (!ATH_SAMP_DBG(noise)) 1507 continue; 1508 1509 for (i = 0; i < NUM_NF_READINGS; i++) { 1510 if (!(chainmask & (1 << i)) || 1511 ((i >= AR5416_MAX_CHAINS) && !conf_is_ht40(conf))) 1512 continue; 1513 1514 nread = AR_PHY_CCA_FILTERWINDOW_LENGTH - 1515 h[i].invalidNFcount; 1516 len += snprintf(buf + len, size - len, 1517 "%4d %5d %4d\t %d\t %d\t", 1518 sampidx, ATH_SAMP_DBG(noise), 1519 i, h[i].privNF, nread); 1520 for (j = 0; j < nread; j++) 1521 len += snprintf(buf + len, size - len, 1522 " %d", h[i].nfCalBuffer[j]); 1523 len += snprintf(buf + len, size - len, "\n"); 1524 } 1525 } 1526 len += snprintf(buf + len, size - len, "\nCycle counters:\n" 1527 "Sample Total Rxbusy Rxframes Txframes\n"); 1528 for (sampidx = 0; sampidx < ATH_DBG_MAX_SAMPLES; sampidx++) { 1529 if (!ATH_SAMP_DBG(cc.cycles)) 1530 continue; 1531 len += snprintf(buf + len, size - len, 1532 "%4d %08x %08x %08x %08x\n", 1533 sampidx, ATH_SAMP_DBG(cc.cycles), 1534 ATH_SAMP_DBG(cc.rx_busy), 1535 ATH_SAMP_DBG(cc.rx_frame), 1536 ATH_SAMP_DBG(cc.tx_frame)); 1537 } 1538 1539 len += snprintf(buf + len, size - len, "Tx status Dump :\n"); 1540 len += snprintf(buf + len, size - len, 1541 "Sample rssi:- ctl0 ctl1 ctl2 ext0 ext1 ext2 comb " 1542 "isok rts_fail data_fail rate tid qid " 1543 "ba_low ba_high tx_before(ms)\n"); 1544 for (sampidx = 0; sampidx < ATH_DBG_MAX_SAMPLES; sampidx++) { 1545 for (i = 0; i < ATH_DBG_MAX_SAMPLES; i++) { 1546 if (!ATH_SAMP_DBG(ts[i].jiffies)) 1547 continue; 1548 len += snprintf(buf + len, size - len, "%-14d" 1549 "%-4d %-4d %-4d %-4d %-4d %-4d %-4d %-4d %-8d " 1550 "%-9d %-4d %-3d %-3d %08x %08x %-11d\n", 1551 sampidx, 1552 ATH_SAMP_DBG(ts[i].rssi_ctl0), 1553 ATH_SAMP_DBG(ts[i].rssi_ctl1), 1554 ATH_SAMP_DBG(ts[i].rssi_ctl2), 1555 ATH_SAMP_DBG(ts[i].rssi_ext0), 1556 ATH_SAMP_DBG(ts[i].rssi_ext1), 1557 ATH_SAMP_DBG(ts[i].rssi_ext2), 1558 ATH_SAMP_DBG(ts[i].rssi), 1559 ATH_SAMP_DBG(ts[i].isok), 1560 ATH_SAMP_DBG(ts[i].rts_fail_cnt), 1561 ATH_SAMP_DBG(ts[i].data_fail_cnt), 1562 ATH_SAMP_DBG(ts[i].rateindex), 1563 ATH_SAMP_DBG(ts[i].tid), 1564 ATH_SAMP_DBG(ts[i].qid), 1565 ATH_SAMP_DBG(ts[i].ba_low), 1566 ATH_SAMP_DBG(ts[i].ba_high), 1567 jiffies_to_msecs(jiffies - 1568 ATH_SAMP_DBG(ts[i].jiffies))); 1569 } 1570 } 1571 1572 len += snprintf(buf + len, size - len, "Rx status Dump :\n"); 1573 len += snprintf(buf + len, size - len, "Sample rssi:- ctl0 ctl1 ctl2 " 1574 "ext0 ext1 ext2 comb beacon ant rate rx_before(ms)\n"); 1575 for (sampidx = 0; sampidx < ATH_DBG_MAX_SAMPLES; sampidx++) { 1576 for (i = 0; i < ATH_DBG_MAX_SAMPLES; i++) { 1577 if (!ATH_SAMP_DBG(rs[i].jiffies)) 1578 continue; 1579 len += snprintf(buf + len, size - len, "%-14d" 1580 "%-4d %-4d %-4d %-4d %-4d %-4d %-4d %-9s %-2d %02x %-13d\n", 1581 sampidx, 1582 ATH_SAMP_DBG(rs[i].rssi_ctl0), 1583 ATH_SAMP_DBG(rs[i].rssi_ctl1), 1584 ATH_SAMP_DBG(rs[i].rssi_ctl2), 1585 ATH_SAMP_DBG(rs[i].rssi_ext0), 1586 ATH_SAMP_DBG(rs[i].rssi_ext1), 1587 ATH_SAMP_DBG(rs[i].rssi_ext2), 1588 ATH_SAMP_DBG(rs[i].rssi), 1589 ATH_SAMP_DBG(rs[i].is_mybeacon) ? 1590 "True" : "False", 1591 ATH_SAMP_DBG(rs[i].antenna), 1592 ATH_SAMP_DBG(rs[i].rate), 1593 jiffies_to_msecs(jiffies - 1594 ATH_SAMP_DBG(rs[i].jiffies))); 1595 } 1596 } 1597 1598 vfree(bb_mac_samp); 1599 file->private_data = buf; 1600 1601 return 0; 1602 #undef ATH_SAMP_DBG 1603 } 1604 1605 static const struct file_operations fops_samps = { 1606 .open = open_file_bb_mac_samps, 1607 .read = ath9k_debugfs_read_buf, 1608 .release = ath9k_debugfs_release_buf, 1609 .owner = THIS_MODULE, 1610 .llseek = default_llseek, 1611 }; 1612 1613 1614 int ath9k_init_debug(struct ath_hw *ah) 1615 { 1616 struct ath_common *common = ath9k_hw_common(ah); 1617 struct ath_softc *sc = (struct ath_softc *) common->priv; 1618 1619 sc->debug.debugfs_phy = debugfs_create_dir("ath9k", 1620 sc->hw->wiphy->debugfsdir); 1621 if (!sc->debug.debugfs_phy) 1622 return -ENOMEM; 1623 1624 #ifdef CONFIG_ATH_DEBUG 1625 debugfs_create_file("debug", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy, 1626 sc, &fops_debug); 1627 #endif 1628 debugfs_create_file("dma", S_IRUSR, sc->debug.debugfs_phy, sc, 1629 &fops_dma); 1630 debugfs_create_file("interrupt", S_IRUSR, sc->debug.debugfs_phy, sc, 1631 &fops_interrupt); 1632 debugfs_create_file("wiphy", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy, 1633 sc, &fops_wiphy); 1634 debugfs_create_file("xmit", S_IRUSR, sc->debug.debugfs_phy, sc, 1635 &fops_xmit); 1636 debugfs_create_file("stations", S_IRUSR, sc->debug.debugfs_phy, sc, 1637 &fops_stations); 1638 debugfs_create_file("misc", S_IRUSR, sc->debug.debugfs_phy, sc, 1639 &fops_misc); 1640 debugfs_create_file("recv", S_IRUSR, sc->debug.debugfs_phy, sc, 1641 &fops_recv); 1642 debugfs_create_file("rx_chainmask", S_IRUSR | S_IWUSR, 1643 sc->debug.debugfs_phy, sc, &fops_rx_chainmask); 1644 debugfs_create_file("tx_chainmask", S_IRUSR | S_IWUSR, 1645 sc->debug.debugfs_phy, sc, &fops_tx_chainmask); 1646 debugfs_create_file("disable_ani", S_IRUSR | S_IWUSR, 1647 sc->debug.debugfs_phy, sc, &fops_disable_ani); 1648 debugfs_create_file("regidx", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy, 1649 sc, &fops_regidx); 1650 debugfs_create_file("regval", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy, 1651 sc, &fops_regval); 1652 debugfs_create_bool("ignore_extcca", S_IRUSR | S_IWUSR, 1653 sc->debug.debugfs_phy, 1654 &ah->config.cwm_ignore_extcca); 1655 debugfs_create_file("regdump", S_IRUSR, sc->debug.debugfs_phy, sc, 1656 &fops_regdump); 1657 debugfs_create_file("dump_nfcal", S_IRUSR, sc->debug.debugfs_phy, sc, 1658 &fops_dump_nfcal); 1659 debugfs_create_file("base_eeprom", S_IRUSR, sc->debug.debugfs_phy, sc, 1660 &fops_base_eeprom); 1661 debugfs_create_file("modal_eeprom", S_IRUSR, sc->debug.debugfs_phy, sc, 1662 &fops_modal_eeprom); 1663 debugfs_create_file("samples", S_IRUSR, sc->debug.debugfs_phy, sc, 1664 &fops_samps); 1665 1666 debugfs_create_u32("gpio_mask", S_IRUSR | S_IWUSR, 1667 sc->debug.debugfs_phy, &sc->sc_ah->gpio_mask); 1668 1669 debugfs_create_u32("gpio_val", S_IRUSR | S_IWUSR, 1670 sc->debug.debugfs_phy, &sc->sc_ah->gpio_val); 1671 1672 sc->debug.regidx = 0; 1673 memset(&sc->debug.bb_mac_samp, 0, sizeof(sc->debug.bb_mac_samp)); 1674 sc->debug.sampidx = 0; 1675 sc->debug.tsidx = 0; 1676 sc->debug.rsidx = 0; 1677 return 0; 1678 } 1679