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 baw\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 unsigned short ma = an->maxampdu; 718 if (ma == 0) 719 ma = 65535; /* see ath_lookup_rate */ 720 len += snprintf(buf + len, size - len, 721 "iface: %pM sta: %pM max-ampdu: %hu mpdu-density: %uus\n", 722 an->vif->addr, an->sta->addr, ma, 723 (unsigned int)(an->mpdudensity)); 724 if (len >= size) 725 goto done; 726 727 for (q = 0; q < WME_NUM_TID; q++) { 728 struct ath_atx_tid *tid = &(an->tid[q]); 729 len += snprintf(buf + len, size - len, 730 " tid: %p %s %s %i %p %p %hu\n", 731 tid, tid->sched ? "sched" : "idle", 732 tid->paused ? "paused" : "running", 733 skb_queue_empty(&tid->buf_q), 734 tid->an, tid->ac, tid->baw_size); 735 if (len >= size) 736 goto done; 737 } 738 739 for (q = 0; q < WME_NUM_AC; q++) { 740 struct ath_atx_ac *ac = &(an->ac[q]); 741 len += snprintf(buf + len, size - len, 742 " ac: %p %s %i %p\n", 743 ac, ac->sched ? "sched" : "idle", 744 list_empty(&ac->tid_q), ac->txq); 745 if (len >= size) 746 goto done; 747 } 748 } 749 750 done: 751 spin_unlock(&sc->nodes_lock); 752 if (len > size) 753 len = size; 754 755 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len); 756 kfree(buf); 757 758 return retval; 759 } 760 761 static ssize_t read_file_misc(struct file *file, char __user *user_buf, 762 size_t count, loff_t *ppos) 763 { 764 struct ath_softc *sc = file->private_data; 765 struct ath_common *common = ath9k_hw_common(sc->sc_ah); 766 struct ath_hw *ah = sc->sc_ah; 767 struct ieee80211_hw *hw = sc->hw; 768 char *buf; 769 unsigned int len = 0, size = 8000; 770 ssize_t retval = 0; 771 unsigned int reg; 772 struct ath9k_vif_iter_data iter_data; 773 774 ath9k_calculate_iter_data(hw, NULL, &iter_data); 775 776 buf = kzalloc(size, GFP_KERNEL); 777 if (buf == NULL) 778 return -ENOMEM; 779 780 ath9k_ps_wakeup(sc); 781 len += snprintf(buf + len, size - len, 782 "curbssid: %pM\n" 783 "OP-Mode: %s(%i)\n" 784 "Beacon-Timer-Register: 0x%x\n", 785 common->curbssid, 786 ath_opmode_to_string(sc->sc_ah->opmode), 787 (int)(sc->sc_ah->opmode), 788 REG_READ(ah, AR_BEACON_PERIOD)); 789 790 reg = REG_READ(ah, AR_TIMER_MODE); 791 ath9k_ps_restore(sc); 792 len += snprintf(buf + len, size - len, "Timer-Mode-Register: 0x%x (", 793 reg); 794 if (reg & AR_TBTT_TIMER_EN) 795 len += snprintf(buf + len, size - len, "TBTT "); 796 if (reg & AR_DBA_TIMER_EN) 797 len += snprintf(buf + len, size - len, "DBA "); 798 if (reg & AR_SWBA_TIMER_EN) 799 len += snprintf(buf + len, size - len, "SWBA "); 800 if (reg & AR_HCF_TIMER_EN) 801 len += snprintf(buf + len, size - len, "HCF "); 802 if (reg & AR_TIM_TIMER_EN) 803 len += snprintf(buf + len, size - len, "TIM "); 804 if (reg & AR_DTIM_TIMER_EN) 805 len += snprintf(buf + len, size - len, "DTIM "); 806 len += snprintf(buf + len, size - len, ")\n"); 807 808 reg = sc->sc_ah->imask; 809 len += snprintf(buf + len, size - len, "imask: 0x%x (", reg); 810 if (reg & ATH9K_INT_SWBA) 811 len += snprintf(buf + len, size - len, "SWBA "); 812 if (reg & ATH9K_INT_BMISS) 813 len += snprintf(buf + len, size - len, "BMISS "); 814 if (reg & ATH9K_INT_CST) 815 len += snprintf(buf + len, size - len, "CST "); 816 if (reg & ATH9K_INT_RX) 817 len += snprintf(buf + len, size - len, "RX "); 818 if (reg & ATH9K_INT_RXHP) 819 len += snprintf(buf + len, size - len, "RXHP "); 820 if (reg & ATH9K_INT_RXLP) 821 len += snprintf(buf + len, size - len, "RXLP "); 822 if (reg & ATH9K_INT_BB_WATCHDOG) 823 len += snprintf(buf + len, size - len, "BB_WATCHDOG "); 824 /* there are other IRQs if one wanted to add them. */ 825 len += snprintf(buf + len, size - len, ")\n"); 826 827 len += snprintf(buf + len, size - len, 828 "VIF Counts: AP: %i STA: %i MESH: %i WDS: %i" 829 " ADHOC: %i OTHER: %i nvifs: %hi beacon-vifs: %hi\n", 830 iter_data.naps, iter_data.nstations, iter_data.nmeshes, 831 iter_data.nwds, iter_data.nadhocs, iter_data.nothers, 832 sc->nvifs, sc->nbcnvifs); 833 834 len += snprintf(buf + len, size - len, 835 "Calculated-BSSID-Mask: %pM\n", 836 iter_data.mask); 837 838 if (len > size) 839 len = size; 840 841 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len); 842 kfree(buf); 843 844 return retval; 845 } 846 847 void ath_debug_stat_tx(struct ath_softc *sc, struct ath_buf *bf, 848 struct ath_tx_status *ts, struct ath_txq *txq, 849 unsigned int flags) 850 { 851 #define TX_SAMP_DBG(c) (sc->debug.bb_mac_samp[sc->debug.sampidx].ts\ 852 [sc->debug.tsidx].c) 853 int qnum = txq->axq_qnum; 854 855 TX_STAT_INC(qnum, tx_pkts_all); 856 sc->debug.stats.txstats[qnum].tx_bytes_all += bf->bf_mpdu->len; 857 858 if (bf_isampdu(bf)) { 859 if (flags & ATH_TX_ERROR) 860 TX_STAT_INC(qnum, a_xretries); 861 else 862 TX_STAT_INC(qnum, a_completed); 863 } else { 864 if (ts->ts_status & ATH9K_TXERR_XRETRY) 865 TX_STAT_INC(qnum, xretries); 866 else 867 TX_STAT_INC(qnum, completed); 868 } 869 870 if (ts->ts_status & ATH9K_TXERR_FIFO) 871 TX_STAT_INC(qnum, fifo_underrun); 872 if (ts->ts_status & ATH9K_TXERR_XTXOP) 873 TX_STAT_INC(qnum, xtxop); 874 if (ts->ts_status & ATH9K_TXERR_TIMER_EXPIRED) 875 TX_STAT_INC(qnum, timer_exp); 876 if (ts->ts_flags & ATH9K_TX_DESC_CFG_ERR) 877 TX_STAT_INC(qnum, desc_cfg_err); 878 if (ts->ts_flags & ATH9K_TX_DATA_UNDERRUN) 879 TX_STAT_INC(qnum, data_underrun); 880 if (ts->ts_flags & ATH9K_TX_DELIM_UNDERRUN) 881 TX_STAT_INC(qnum, delim_underrun); 882 883 spin_lock(&sc->debug.samp_lock); 884 TX_SAMP_DBG(jiffies) = jiffies; 885 TX_SAMP_DBG(rssi_ctl0) = ts->ts_rssi_ctl0; 886 TX_SAMP_DBG(rssi_ctl1) = ts->ts_rssi_ctl1; 887 TX_SAMP_DBG(rssi_ctl2) = ts->ts_rssi_ctl2; 888 TX_SAMP_DBG(rssi_ext0) = ts->ts_rssi_ext0; 889 TX_SAMP_DBG(rssi_ext1) = ts->ts_rssi_ext1; 890 TX_SAMP_DBG(rssi_ext2) = ts->ts_rssi_ext2; 891 TX_SAMP_DBG(rateindex) = ts->ts_rateindex; 892 TX_SAMP_DBG(isok) = !!(ts->ts_status & ATH9K_TXERR_MASK); 893 TX_SAMP_DBG(rts_fail_cnt) = ts->ts_shortretry; 894 TX_SAMP_DBG(data_fail_cnt) = ts->ts_longretry; 895 TX_SAMP_DBG(rssi) = ts->ts_rssi; 896 TX_SAMP_DBG(tid) = ts->tid; 897 TX_SAMP_DBG(qid) = ts->qid; 898 899 if (ts->ts_flags & ATH9K_TX_BA) { 900 TX_SAMP_DBG(ba_low) = ts->ba_low; 901 TX_SAMP_DBG(ba_high) = ts->ba_high; 902 } else { 903 TX_SAMP_DBG(ba_low) = 0; 904 TX_SAMP_DBG(ba_high) = 0; 905 } 906 907 sc->debug.tsidx = (sc->debug.tsidx + 1) % ATH_DBG_MAX_SAMPLES; 908 spin_unlock(&sc->debug.samp_lock); 909 910 #undef TX_SAMP_DBG 911 } 912 913 static const struct file_operations fops_xmit = { 914 .read = read_file_xmit, 915 .open = ath9k_debugfs_open, 916 .owner = THIS_MODULE, 917 .llseek = default_llseek, 918 }; 919 920 static const struct file_operations fops_stations = { 921 .read = read_file_stations, 922 .open = ath9k_debugfs_open, 923 .owner = THIS_MODULE, 924 .llseek = default_llseek, 925 }; 926 927 static const struct file_operations fops_misc = { 928 .read = read_file_misc, 929 .open = ath9k_debugfs_open, 930 .owner = THIS_MODULE, 931 .llseek = default_llseek, 932 }; 933 934 static ssize_t read_file_recv(struct file *file, char __user *user_buf, 935 size_t count, loff_t *ppos) 936 { 937 #define PHY_ERR(s, p) \ 938 len += snprintf(buf + len, size - len, "%18s : %10u\n", s, \ 939 sc->debug.stats.rxstats.phy_err_stats[p]); 940 941 struct ath_softc *sc = file->private_data; 942 char *buf; 943 unsigned int len = 0, size = 1400; 944 ssize_t retval = 0; 945 946 buf = kzalloc(size, GFP_KERNEL); 947 if (buf == NULL) 948 return -ENOMEM; 949 950 len += snprintf(buf + len, size - len, 951 "%18s : %10u\n", "CRC ERR", 952 sc->debug.stats.rxstats.crc_err); 953 len += snprintf(buf + len, size - len, 954 "%18s : %10u\n", "DECRYPT CRC ERR", 955 sc->debug.stats.rxstats.decrypt_crc_err); 956 len += snprintf(buf + len, size - len, 957 "%18s : %10u\n", "PHY ERR", 958 sc->debug.stats.rxstats.phy_err); 959 len += snprintf(buf + len, size - len, 960 "%18s : %10u\n", "MIC ERR", 961 sc->debug.stats.rxstats.mic_err); 962 len += snprintf(buf + len, size - len, 963 "%18s : %10u\n", "PRE-DELIM CRC ERR", 964 sc->debug.stats.rxstats.pre_delim_crc_err); 965 len += snprintf(buf + len, size - len, 966 "%18s : %10u\n", "POST-DELIM CRC ERR", 967 sc->debug.stats.rxstats.post_delim_crc_err); 968 len += snprintf(buf + len, size - len, 969 "%18s : %10u\n", "DECRYPT BUSY ERR", 970 sc->debug.stats.rxstats.decrypt_busy_err); 971 972 len += snprintf(buf + len, size - len, 973 "%18s : %10d\n", "RSSI-CTL0", 974 sc->debug.stats.rxstats.rs_rssi_ctl0); 975 976 len += snprintf(buf + len, size - len, 977 "%18s : %10d\n", "RSSI-CTL1", 978 sc->debug.stats.rxstats.rs_rssi_ctl1); 979 980 len += snprintf(buf + len, size - len, 981 "%18s : %10d\n", "RSSI-CTL2", 982 sc->debug.stats.rxstats.rs_rssi_ctl2); 983 984 len += snprintf(buf + len, size - len, 985 "%18s : %10d\n", "RSSI-EXT0", 986 sc->debug.stats.rxstats.rs_rssi_ext0); 987 988 len += snprintf(buf + len, size - len, 989 "%18s : %10d\n", "RSSI-EXT1", 990 sc->debug.stats.rxstats.rs_rssi_ext1); 991 992 len += snprintf(buf + len, size - len, 993 "%18s : %10d\n", "RSSI-EXT2", 994 sc->debug.stats.rxstats.rs_rssi_ext2); 995 996 len += snprintf(buf + len, size - len, 997 "%18s : %10d\n", "Rx Antenna", 998 sc->debug.stats.rxstats.rs_antenna); 999 1000 PHY_ERR("UNDERRUN", ATH9K_PHYERR_UNDERRUN); 1001 PHY_ERR("TIMING", ATH9K_PHYERR_TIMING); 1002 PHY_ERR("PARITY", ATH9K_PHYERR_PARITY); 1003 PHY_ERR("RATE", ATH9K_PHYERR_RATE); 1004 PHY_ERR("LENGTH", ATH9K_PHYERR_LENGTH); 1005 PHY_ERR("RADAR", ATH9K_PHYERR_RADAR); 1006 PHY_ERR("SERVICE", ATH9K_PHYERR_SERVICE); 1007 PHY_ERR("TOR", ATH9K_PHYERR_TOR); 1008 PHY_ERR("OFDM-TIMING", ATH9K_PHYERR_OFDM_TIMING); 1009 PHY_ERR("OFDM-SIGNAL-PARITY", ATH9K_PHYERR_OFDM_SIGNAL_PARITY); 1010 PHY_ERR("OFDM-RATE", ATH9K_PHYERR_OFDM_RATE_ILLEGAL); 1011 PHY_ERR("OFDM-LENGTH", ATH9K_PHYERR_OFDM_LENGTH_ILLEGAL); 1012 PHY_ERR("OFDM-POWER-DROP", ATH9K_PHYERR_OFDM_POWER_DROP); 1013 PHY_ERR("OFDM-SERVICE", ATH9K_PHYERR_OFDM_SERVICE); 1014 PHY_ERR("OFDM-RESTART", ATH9K_PHYERR_OFDM_RESTART); 1015 PHY_ERR("FALSE-RADAR-EXT", ATH9K_PHYERR_FALSE_RADAR_EXT); 1016 PHY_ERR("CCK-TIMING", ATH9K_PHYERR_CCK_TIMING); 1017 PHY_ERR("CCK-HEADER-CRC", ATH9K_PHYERR_CCK_HEADER_CRC); 1018 PHY_ERR("CCK-RATE", ATH9K_PHYERR_CCK_RATE_ILLEGAL); 1019 PHY_ERR("CCK-SERVICE", ATH9K_PHYERR_CCK_SERVICE); 1020 PHY_ERR("CCK-RESTART", ATH9K_PHYERR_CCK_RESTART); 1021 PHY_ERR("CCK-LENGTH", ATH9K_PHYERR_CCK_LENGTH_ILLEGAL); 1022 PHY_ERR("CCK-POWER-DROP", ATH9K_PHYERR_CCK_POWER_DROP); 1023 PHY_ERR("HT-CRC", ATH9K_PHYERR_HT_CRC_ERROR); 1024 PHY_ERR("HT-LENGTH", ATH9K_PHYERR_HT_LENGTH_ILLEGAL); 1025 PHY_ERR("HT-RATE", ATH9K_PHYERR_HT_RATE_ILLEGAL); 1026 1027 len += snprintf(buf + len, size - len, 1028 "%18s : %10u\n", "RX-Pkts-All", 1029 sc->debug.stats.rxstats.rx_pkts_all); 1030 len += snprintf(buf + len, size - len, 1031 "%18s : %10u\n", "RX-Bytes-All", 1032 sc->debug.stats.rxstats.rx_bytes_all); 1033 1034 if (len > size) 1035 len = size; 1036 1037 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len); 1038 kfree(buf); 1039 1040 return retval; 1041 1042 #undef PHY_ERR 1043 } 1044 1045 void ath_debug_stat_rx(struct ath_softc *sc, struct ath_rx_status *rs) 1046 { 1047 #define RX_STAT_INC(c) sc->debug.stats.rxstats.c++ 1048 #define RX_PHY_ERR_INC(c) sc->debug.stats.rxstats.phy_err_stats[c]++ 1049 #define RX_SAMP_DBG(c) (sc->debug.bb_mac_samp[sc->debug.sampidx].rs\ 1050 [sc->debug.rsidx].c) 1051 1052 u32 phyerr; 1053 1054 RX_STAT_INC(rx_pkts_all); 1055 sc->debug.stats.rxstats.rx_bytes_all += rs->rs_datalen; 1056 1057 if (rs->rs_status & ATH9K_RXERR_CRC) 1058 RX_STAT_INC(crc_err); 1059 if (rs->rs_status & ATH9K_RXERR_DECRYPT) 1060 RX_STAT_INC(decrypt_crc_err); 1061 if (rs->rs_status & ATH9K_RXERR_MIC) 1062 RX_STAT_INC(mic_err); 1063 if (rs->rs_status & ATH9K_RX_DELIM_CRC_PRE) 1064 RX_STAT_INC(pre_delim_crc_err); 1065 if (rs->rs_status & ATH9K_RX_DELIM_CRC_POST) 1066 RX_STAT_INC(post_delim_crc_err); 1067 if (rs->rs_status & ATH9K_RX_DECRYPT_BUSY) 1068 RX_STAT_INC(decrypt_busy_err); 1069 1070 if (rs->rs_status & ATH9K_RXERR_PHY) { 1071 RX_STAT_INC(phy_err); 1072 phyerr = rs->rs_phyerr & 0x24; 1073 RX_PHY_ERR_INC(phyerr); 1074 } 1075 1076 sc->debug.stats.rxstats.rs_rssi_ctl0 = rs->rs_rssi_ctl0; 1077 sc->debug.stats.rxstats.rs_rssi_ctl1 = rs->rs_rssi_ctl1; 1078 sc->debug.stats.rxstats.rs_rssi_ctl2 = rs->rs_rssi_ctl2; 1079 1080 sc->debug.stats.rxstats.rs_rssi_ext0 = rs->rs_rssi_ext0; 1081 sc->debug.stats.rxstats.rs_rssi_ext1 = rs->rs_rssi_ext1; 1082 sc->debug.stats.rxstats.rs_rssi_ext2 = rs->rs_rssi_ext2; 1083 1084 sc->debug.stats.rxstats.rs_antenna = rs->rs_antenna; 1085 1086 spin_lock(&sc->debug.samp_lock); 1087 RX_SAMP_DBG(jiffies) = jiffies; 1088 RX_SAMP_DBG(rssi_ctl0) = rs->rs_rssi_ctl0; 1089 RX_SAMP_DBG(rssi_ctl1) = rs->rs_rssi_ctl1; 1090 RX_SAMP_DBG(rssi_ctl2) = rs->rs_rssi_ctl2; 1091 RX_SAMP_DBG(rssi_ext0) = rs->rs_rssi_ext0; 1092 RX_SAMP_DBG(rssi_ext1) = rs->rs_rssi_ext1; 1093 RX_SAMP_DBG(rssi_ext2) = rs->rs_rssi_ext2; 1094 RX_SAMP_DBG(antenna) = rs->rs_antenna; 1095 RX_SAMP_DBG(rssi) = rs->rs_rssi; 1096 RX_SAMP_DBG(rate) = rs->rs_rate; 1097 RX_SAMP_DBG(is_mybeacon) = rs->is_mybeacon; 1098 1099 sc->debug.rsidx = (sc->debug.rsidx + 1) % ATH_DBG_MAX_SAMPLES; 1100 spin_unlock(&sc->debug.samp_lock); 1101 1102 #undef RX_STAT_INC 1103 #undef RX_PHY_ERR_INC 1104 #undef RX_SAMP_DBG 1105 } 1106 1107 static const struct file_operations fops_recv = { 1108 .read = read_file_recv, 1109 .open = ath9k_debugfs_open, 1110 .owner = THIS_MODULE, 1111 .llseek = default_llseek, 1112 }; 1113 1114 static ssize_t read_file_regidx(struct file *file, char __user *user_buf, 1115 size_t count, loff_t *ppos) 1116 { 1117 struct ath_softc *sc = file->private_data; 1118 char buf[32]; 1119 unsigned int len; 1120 1121 len = sprintf(buf, "0x%08x\n", sc->debug.regidx); 1122 return simple_read_from_buffer(user_buf, count, ppos, buf, len); 1123 } 1124 1125 static ssize_t write_file_regidx(struct file *file, const char __user *user_buf, 1126 size_t count, loff_t *ppos) 1127 { 1128 struct ath_softc *sc = file->private_data; 1129 unsigned long regidx; 1130 char buf[32]; 1131 ssize_t len; 1132 1133 len = min(count, sizeof(buf) - 1); 1134 if (copy_from_user(buf, user_buf, len)) 1135 return -EFAULT; 1136 1137 buf[len] = '\0'; 1138 if (strict_strtoul(buf, 0, ®idx)) 1139 return -EINVAL; 1140 1141 sc->debug.regidx = regidx; 1142 return count; 1143 } 1144 1145 static const struct file_operations fops_regidx = { 1146 .read = read_file_regidx, 1147 .write = write_file_regidx, 1148 .open = ath9k_debugfs_open, 1149 .owner = THIS_MODULE, 1150 .llseek = default_llseek, 1151 }; 1152 1153 static ssize_t read_file_regval(struct file *file, char __user *user_buf, 1154 size_t count, loff_t *ppos) 1155 { 1156 struct ath_softc *sc = file->private_data; 1157 struct ath_hw *ah = sc->sc_ah; 1158 char buf[32]; 1159 unsigned int len; 1160 u32 regval; 1161 1162 ath9k_ps_wakeup(sc); 1163 regval = REG_READ_D(ah, sc->debug.regidx); 1164 ath9k_ps_restore(sc); 1165 len = sprintf(buf, "0x%08x\n", regval); 1166 return simple_read_from_buffer(user_buf, count, ppos, buf, len); 1167 } 1168 1169 static ssize_t write_file_regval(struct file *file, const char __user *user_buf, 1170 size_t count, loff_t *ppos) 1171 { 1172 struct ath_softc *sc = file->private_data; 1173 struct ath_hw *ah = sc->sc_ah; 1174 unsigned long regval; 1175 char buf[32]; 1176 ssize_t len; 1177 1178 len = min(count, sizeof(buf) - 1); 1179 if (copy_from_user(buf, user_buf, len)) 1180 return -EFAULT; 1181 1182 buf[len] = '\0'; 1183 if (strict_strtoul(buf, 0, ®val)) 1184 return -EINVAL; 1185 1186 ath9k_ps_wakeup(sc); 1187 REG_WRITE_D(ah, sc->debug.regidx, regval); 1188 ath9k_ps_restore(sc); 1189 return count; 1190 } 1191 1192 static const struct file_operations fops_regval = { 1193 .read = read_file_regval, 1194 .write = write_file_regval, 1195 .open = ath9k_debugfs_open, 1196 .owner = THIS_MODULE, 1197 .llseek = default_llseek, 1198 }; 1199 1200 #define REGDUMP_LINE_SIZE 20 1201 1202 static int open_file_regdump(struct inode *inode, struct file *file) 1203 { 1204 struct ath_softc *sc = inode->i_private; 1205 unsigned int len = 0; 1206 u8 *buf; 1207 int i; 1208 unsigned long num_regs, regdump_len, max_reg_offset; 1209 1210 max_reg_offset = AR_SREV_9300_20_OR_LATER(sc->sc_ah) ? 0x16bd4 : 0xb500; 1211 num_regs = max_reg_offset / 4 + 1; 1212 regdump_len = num_regs * REGDUMP_LINE_SIZE + 1; 1213 buf = vmalloc(regdump_len); 1214 if (!buf) 1215 return -ENOMEM; 1216 1217 ath9k_ps_wakeup(sc); 1218 for (i = 0; i < num_regs; i++) 1219 len += scnprintf(buf + len, regdump_len - len, 1220 "0x%06x 0x%08x\n", i << 2, REG_READ(sc->sc_ah, i << 2)); 1221 ath9k_ps_restore(sc); 1222 1223 file->private_data = buf; 1224 1225 return 0; 1226 } 1227 1228 static const struct file_operations fops_regdump = { 1229 .open = open_file_regdump, 1230 .read = ath9k_debugfs_read_buf, 1231 .release = ath9k_debugfs_release_buf, 1232 .owner = THIS_MODULE, 1233 .llseek = default_llseek,/* read accesses f_pos */ 1234 }; 1235 1236 static ssize_t read_file_dump_nfcal(struct file *file, char __user *user_buf, 1237 size_t count, loff_t *ppos) 1238 { 1239 struct ath_softc *sc = file->private_data; 1240 struct ath_hw *ah = sc->sc_ah; 1241 struct ath9k_nfcal_hist *h = sc->caldata.nfCalHist; 1242 struct ath_common *common = ath9k_hw_common(ah); 1243 struct ieee80211_conf *conf = &common->hw->conf; 1244 u32 len = 0, size = 1500; 1245 u32 i, j; 1246 ssize_t retval = 0; 1247 char *buf; 1248 u8 chainmask = (ah->rxchainmask << 3) | ah->rxchainmask; 1249 u8 nread; 1250 1251 buf = kzalloc(size, GFP_KERNEL); 1252 if (!buf) 1253 return -ENOMEM; 1254 1255 len += snprintf(buf + len, size - len, 1256 "Channel Noise Floor : %d\n", ah->noise); 1257 len += snprintf(buf + len, size - len, 1258 "Chain | privNF | # Readings | NF Readings\n"); 1259 for (i = 0; i < NUM_NF_READINGS; i++) { 1260 if (!(chainmask & (1 << i)) || 1261 ((i >= AR5416_MAX_CHAINS) && !conf_is_ht40(conf))) 1262 continue; 1263 1264 nread = AR_PHY_CCA_FILTERWINDOW_LENGTH - h[i].invalidNFcount; 1265 len += snprintf(buf + len, size - len, " %d\t %d\t %d\t\t", 1266 i, h[i].privNF, nread); 1267 for (j = 0; j < nread; j++) 1268 len += snprintf(buf + len, size - len, 1269 " %d", h[i].nfCalBuffer[j]); 1270 len += snprintf(buf + len, size - len, "\n"); 1271 } 1272 1273 if (len > size) 1274 len = size; 1275 1276 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len); 1277 kfree(buf); 1278 1279 return retval; 1280 } 1281 1282 static const struct file_operations fops_dump_nfcal = { 1283 .read = read_file_dump_nfcal, 1284 .open = ath9k_debugfs_open, 1285 .owner = THIS_MODULE, 1286 .llseek = default_llseek, 1287 }; 1288 1289 static ssize_t read_file_base_eeprom(struct file *file, char __user *user_buf, 1290 size_t count, loff_t *ppos) 1291 { 1292 struct ath_softc *sc = file->private_data; 1293 struct ath_hw *ah = sc->sc_ah; 1294 u32 len = 0, size = 1500; 1295 ssize_t retval = 0; 1296 char *buf; 1297 1298 buf = kzalloc(size, GFP_KERNEL); 1299 if (!buf) 1300 return -ENOMEM; 1301 1302 len = ah->eep_ops->dump_eeprom(ah, true, buf, len, size); 1303 1304 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len); 1305 kfree(buf); 1306 1307 return retval; 1308 } 1309 1310 static const struct file_operations fops_base_eeprom = { 1311 .read = read_file_base_eeprom, 1312 .open = ath9k_debugfs_open, 1313 .owner = THIS_MODULE, 1314 .llseek = default_llseek, 1315 }; 1316 1317 static ssize_t read_file_modal_eeprom(struct file *file, char __user *user_buf, 1318 size_t count, loff_t *ppos) 1319 { 1320 struct ath_softc *sc = file->private_data; 1321 struct ath_hw *ah = sc->sc_ah; 1322 u32 len = 0, size = 6000; 1323 char *buf; 1324 size_t retval; 1325 1326 buf = kzalloc(size, GFP_KERNEL); 1327 if (buf == NULL) 1328 return -ENOMEM; 1329 1330 len = ah->eep_ops->dump_eeprom(ah, false, buf, len, size); 1331 1332 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len); 1333 kfree(buf); 1334 1335 return retval; 1336 } 1337 1338 static const struct file_operations fops_modal_eeprom = { 1339 .read = read_file_modal_eeprom, 1340 .open = ath9k_debugfs_open, 1341 .owner = THIS_MODULE, 1342 .llseek = default_llseek, 1343 }; 1344 1345 void ath9k_debug_samp_bb_mac(struct ath_softc *sc) 1346 { 1347 #define ATH_SAMP_DBG(c) (sc->debug.bb_mac_samp[sc->debug.sampidx].c) 1348 struct ath_hw *ah = sc->sc_ah; 1349 struct ath_common *common = ath9k_hw_common(ah); 1350 unsigned long flags; 1351 int i; 1352 1353 ath9k_ps_wakeup(sc); 1354 1355 spin_lock_bh(&sc->debug.samp_lock); 1356 1357 spin_lock_irqsave(&common->cc_lock, flags); 1358 ath_hw_cycle_counters_update(common); 1359 1360 ATH_SAMP_DBG(cc.cycles) = common->cc_ani.cycles; 1361 ATH_SAMP_DBG(cc.rx_busy) = common->cc_ani.rx_busy; 1362 ATH_SAMP_DBG(cc.rx_frame) = common->cc_ani.rx_frame; 1363 ATH_SAMP_DBG(cc.tx_frame) = common->cc_ani.tx_frame; 1364 spin_unlock_irqrestore(&common->cc_lock, flags); 1365 1366 ATH_SAMP_DBG(noise) = ah->noise; 1367 1368 REG_WRITE_D(ah, AR_MACMISC, 1369 ((AR_MACMISC_DMA_OBS_LINE_8 << AR_MACMISC_DMA_OBS_S) | 1370 (AR_MACMISC_MISC_OBS_BUS_1 << 1371 AR_MACMISC_MISC_OBS_BUS_MSB_S))); 1372 1373 for (i = 0; i < ATH9K_NUM_DMA_DEBUG_REGS; i++) 1374 ATH_SAMP_DBG(dma_dbg_reg_vals[i]) = REG_READ_D(ah, 1375 AR_DMADBG_0 + (i * sizeof(u32))); 1376 1377 ATH_SAMP_DBG(pcu_obs) = REG_READ_D(ah, AR_OBS_BUS_1); 1378 ATH_SAMP_DBG(pcu_cr) = REG_READ_D(ah, AR_CR); 1379 1380 memcpy(ATH_SAMP_DBG(nfCalHist), sc->caldata.nfCalHist, 1381 sizeof(ATH_SAMP_DBG(nfCalHist))); 1382 1383 sc->debug.sampidx = (sc->debug.sampidx + 1) % ATH_DBG_MAX_SAMPLES; 1384 spin_unlock_bh(&sc->debug.samp_lock); 1385 ath9k_ps_restore(sc); 1386 1387 #undef ATH_SAMP_DBG 1388 } 1389 1390 static int open_file_bb_mac_samps(struct inode *inode, struct file *file) 1391 { 1392 #define ATH_SAMP_DBG(c) bb_mac_samp[sampidx].c 1393 struct ath_softc *sc = inode->i_private; 1394 struct ath_hw *ah = sc->sc_ah; 1395 struct ath_common *common = ath9k_hw_common(ah); 1396 struct ieee80211_conf *conf = &common->hw->conf; 1397 struct ath_dbg_bb_mac_samp *bb_mac_samp; 1398 struct ath9k_nfcal_hist *h; 1399 int i, j, qcuOffset = 0, dcuOffset = 0; 1400 u32 *qcuBase, *dcuBase, size = 30000, len = 0; 1401 u32 sampidx = 0; 1402 u8 *buf; 1403 u8 chainmask = (ah->rxchainmask << 3) | ah->rxchainmask; 1404 u8 nread; 1405 1406 if (sc->sc_flags & SC_OP_INVALID) 1407 return -EAGAIN; 1408 1409 buf = vmalloc(size); 1410 if (!buf) 1411 return -ENOMEM; 1412 bb_mac_samp = vmalloc(sizeof(*bb_mac_samp) * ATH_DBG_MAX_SAMPLES); 1413 if (!bb_mac_samp) { 1414 vfree(buf); 1415 return -ENOMEM; 1416 } 1417 /* Account the current state too */ 1418 ath9k_debug_samp_bb_mac(sc); 1419 1420 spin_lock_bh(&sc->debug.samp_lock); 1421 memcpy(bb_mac_samp, sc->debug.bb_mac_samp, 1422 sizeof(*bb_mac_samp) * ATH_DBG_MAX_SAMPLES); 1423 len += snprintf(buf + len, size - len, 1424 "Current Sample Index: %d\n", sc->debug.sampidx); 1425 spin_unlock_bh(&sc->debug.samp_lock); 1426 1427 len += snprintf(buf + len, size - len, 1428 "Raw DMA Debug Dump:\n"); 1429 len += snprintf(buf + len, size - len, "Sample |\t"); 1430 for (i = 0; i < ATH9K_NUM_DMA_DEBUG_REGS; i++) 1431 len += snprintf(buf + len, size - len, " DMA Reg%d |\t", i); 1432 len += snprintf(buf + len, size - len, "\n"); 1433 1434 for (sampidx = 0; sampidx < ATH_DBG_MAX_SAMPLES; sampidx++) { 1435 len += snprintf(buf + len, size - len, "%d\t", sampidx); 1436 1437 for (i = 0; i < ATH9K_NUM_DMA_DEBUG_REGS; i++) 1438 len += snprintf(buf + len, size - len, " %08x\t", 1439 ATH_SAMP_DBG(dma_dbg_reg_vals[i])); 1440 len += snprintf(buf + len, size - len, "\n"); 1441 } 1442 len += snprintf(buf + len, size - len, "\n"); 1443 1444 len += snprintf(buf + len, size - len, 1445 "Sample Num QCU: chain_st fsp_ok fsp_st DCU: chain_st\n"); 1446 for (sampidx = 0; sampidx < ATH_DBG_MAX_SAMPLES; sampidx++) { 1447 qcuBase = &ATH_SAMP_DBG(dma_dbg_reg_vals[0]); 1448 dcuBase = &ATH_SAMP_DBG(dma_dbg_reg_vals[4]); 1449 1450 for (i = 0; i < ATH9K_NUM_QUEUES; i++, 1451 qcuOffset += 4, dcuOffset += 5) { 1452 if (i == 8) { 1453 qcuOffset = 0; 1454 qcuBase++; 1455 } 1456 1457 if (i == 6) { 1458 dcuOffset = 0; 1459 dcuBase++; 1460 } 1461 if (!sc->debug.stats.txstats[i].queued) 1462 continue; 1463 1464 len += snprintf(buf + len, size - len, 1465 "%4d %7d %2x %1x %2x %2x\n", 1466 sampidx, i, 1467 (*qcuBase & (0x7 << qcuOffset)) >> qcuOffset, 1468 (*qcuBase & (0x8 << qcuOffset)) >> 1469 (qcuOffset + 3), 1470 ATH_SAMP_DBG(dma_dbg_reg_vals[2]) & 1471 (0x7 << (i * 3)) >> (i * 3), 1472 (*dcuBase & (0x1f << dcuOffset)) >> dcuOffset); 1473 } 1474 len += snprintf(buf + len, size - len, "\n"); 1475 } 1476 len += snprintf(buf + len, size - len, 1477 "samp qcu_sh qcu_fh qcu_comp dcu_comp dcu_arb dcu_fp " 1478 "ch_idle_dur ch_idle_dur_val txfifo_val0 txfifo_val1 " 1479 "txfifo_dcu0 txfifo_dcu1 pcu_obs AR_CR\n"); 1480 1481 for (sampidx = 0; sampidx < ATH_DBG_MAX_SAMPLES; sampidx++) { 1482 qcuBase = &ATH_SAMP_DBG(dma_dbg_reg_vals[0]); 1483 dcuBase = &ATH_SAMP_DBG(dma_dbg_reg_vals[4]); 1484 1485 len += snprintf(buf + len, size - len, "%4d %5x %5x ", sampidx, 1486 (ATH_SAMP_DBG(dma_dbg_reg_vals[3]) & 0x003c0000) >> 18, 1487 (ATH_SAMP_DBG(dma_dbg_reg_vals[3]) & 0x03c00000) >> 22); 1488 len += snprintf(buf + len, size - len, "%7x %8x ", 1489 (ATH_SAMP_DBG(dma_dbg_reg_vals[3]) & 0x1c000000) >> 26, 1490 (ATH_SAMP_DBG(dma_dbg_reg_vals[6]) & 0x3)); 1491 len += snprintf(buf + len, size - len, "%7x %7x ", 1492 (ATH_SAMP_DBG(dma_dbg_reg_vals[5]) & 0x06000000) >> 25, 1493 (ATH_SAMP_DBG(dma_dbg_reg_vals[5]) & 0x38000000) >> 27); 1494 len += snprintf(buf + len, size - len, "%7d %12d ", 1495 (ATH_SAMP_DBG(dma_dbg_reg_vals[6]) & 0x000003fc) >> 2, 1496 (ATH_SAMP_DBG(dma_dbg_reg_vals[6]) & 0x00000400) >> 10); 1497 len += snprintf(buf + len, size - len, "%12d %12d ", 1498 (ATH_SAMP_DBG(dma_dbg_reg_vals[6]) & 0x00000800) >> 11, 1499 (ATH_SAMP_DBG(dma_dbg_reg_vals[6]) & 0x00001000) >> 12); 1500 len += snprintf(buf + len, size - len, "%12d %12d ", 1501 (ATH_SAMP_DBG(dma_dbg_reg_vals[6]) & 0x0001e000) >> 13, 1502 (ATH_SAMP_DBG(dma_dbg_reg_vals[6]) & 0x001e0000) >> 17); 1503 len += snprintf(buf + len, size - len, "0x%07x 0x%07x\n", 1504 ATH_SAMP_DBG(pcu_obs), ATH_SAMP_DBG(pcu_cr)); 1505 } 1506 1507 len += snprintf(buf + len, size - len, 1508 "Sample ChNoise Chain privNF #Reading Readings\n"); 1509 for (sampidx = 0; sampidx < ATH_DBG_MAX_SAMPLES; sampidx++) { 1510 h = ATH_SAMP_DBG(nfCalHist); 1511 if (!ATH_SAMP_DBG(noise)) 1512 continue; 1513 1514 for (i = 0; i < NUM_NF_READINGS; i++) { 1515 if (!(chainmask & (1 << i)) || 1516 ((i >= AR5416_MAX_CHAINS) && !conf_is_ht40(conf))) 1517 continue; 1518 1519 nread = AR_PHY_CCA_FILTERWINDOW_LENGTH - 1520 h[i].invalidNFcount; 1521 len += snprintf(buf + len, size - len, 1522 "%4d %5d %4d\t %d\t %d\t", 1523 sampidx, ATH_SAMP_DBG(noise), 1524 i, h[i].privNF, nread); 1525 for (j = 0; j < nread; j++) 1526 len += snprintf(buf + len, size - len, 1527 " %d", h[i].nfCalBuffer[j]); 1528 len += snprintf(buf + len, size - len, "\n"); 1529 } 1530 } 1531 len += snprintf(buf + len, size - len, "\nCycle counters:\n" 1532 "Sample Total Rxbusy Rxframes Txframes\n"); 1533 for (sampidx = 0; sampidx < ATH_DBG_MAX_SAMPLES; sampidx++) { 1534 if (!ATH_SAMP_DBG(cc.cycles)) 1535 continue; 1536 len += snprintf(buf + len, size - len, 1537 "%4d %08x %08x %08x %08x\n", 1538 sampidx, ATH_SAMP_DBG(cc.cycles), 1539 ATH_SAMP_DBG(cc.rx_busy), 1540 ATH_SAMP_DBG(cc.rx_frame), 1541 ATH_SAMP_DBG(cc.tx_frame)); 1542 } 1543 1544 len += snprintf(buf + len, size - len, "Tx status Dump :\n"); 1545 len += snprintf(buf + len, size - len, 1546 "Sample rssi:- ctl0 ctl1 ctl2 ext0 ext1 ext2 comb " 1547 "isok rts_fail data_fail rate tid qid " 1548 "ba_low ba_high tx_before(ms)\n"); 1549 for (sampidx = 0; sampidx < ATH_DBG_MAX_SAMPLES; sampidx++) { 1550 for (i = 0; i < ATH_DBG_MAX_SAMPLES; i++) { 1551 if (!ATH_SAMP_DBG(ts[i].jiffies)) 1552 continue; 1553 len += snprintf(buf + len, size - len, "%-14d" 1554 "%-4d %-4d %-4d %-4d %-4d %-4d %-4d %-4d %-8d " 1555 "%-9d %-4d %-3d %-3d %08x %08x %-11d\n", 1556 sampidx, 1557 ATH_SAMP_DBG(ts[i].rssi_ctl0), 1558 ATH_SAMP_DBG(ts[i].rssi_ctl1), 1559 ATH_SAMP_DBG(ts[i].rssi_ctl2), 1560 ATH_SAMP_DBG(ts[i].rssi_ext0), 1561 ATH_SAMP_DBG(ts[i].rssi_ext1), 1562 ATH_SAMP_DBG(ts[i].rssi_ext2), 1563 ATH_SAMP_DBG(ts[i].rssi), 1564 ATH_SAMP_DBG(ts[i].isok), 1565 ATH_SAMP_DBG(ts[i].rts_fail_cnt), 1566 ATH_SAMP_DBG(ts[i].data_fail_cnt), 1567 ATH_SAMP_DBG(ts[i].rateindex), 1568 ATH_SAMP_DBG(ts[i].tid), 1569 ATH_SAMP_DBG(ts[i].qid), 1570 ATH_SAMP_DBG(ts[i].ba_low), 1571 ATH_SAMP_DBG(ts[i].ba_high), 1572 jiffies_to_msecs(jiffies - 1573 ATH_SAMP_DBG(ts[i].jiffies))); 1574 } 1575 } 1576 1577 len += snprintf(buf + len, size - len, "Rx status Dump :\n"); 1578 len += snprintf(buf + len, size - len, "Sample rssi:- ctl0 ctl1 ctl2 " 1579 "ext0 ext1 ext2 comb beacon ant rate rx_before(ms)\n"); 1580 for (sampidx = 0; sampidx < ATH_DBG_MAX_SAMPLES; sampidx++) { 1581 for (i = 0; i < ATH_DBG_MAX_SAMPLES; i++) { 1582 if (!ATH_SAMP_DBG(rs[i].jiffies)) 1583 continue; 1584 len += snprintf(buf + len, size - len, "%-14d" 1585 "%-4d %-4d %-4d %-4d %-4d %-4d %-4d %-9s %-2d %02x %-13d\n", 1586 sampidx, 1587 ATH_SAMP_DBG(rs[i].rssi_ctl0), 1588 ATH_SAMP_DBG(rs[i].rssi_ctl1), 1589 ATH_SAMP_DBG(rs[i].rssi_ctl2), 1590 ATH_SAMP_DBG(rs[i].rssi_ext0), 1591 ATH_SAMP_DBG(rs[i].rssi_ext1), 1592 ATH_SAMP_DBG(rs[i].rssi_ext2), 1593 ATH_SAMP_DBG(rs[i].rssi), 1594 ATH_SAMP_DBG(rs[i].is_mybeacon) ? 1595 "True" : "False", 1596 ATH_SAMP_DBG(rs[i].antenna), 1597 ATH_SAMP_DBG(rs[i].rate), 1598 jiffies_to_msecs(jiffies - 1599 ATH_SAMP_DBG(rs[i].jiffies))); 1600 } 1601 } 1602 1603 vfree(bb_mac_samp); 1604 file->private_data = buf; 1605 1606 return 0; 1607 #undef ATH_SAMP_DBG 1608 } 1609 1610 static const struct file_operations fops_samps = { 1611 .open = open_file_bb_mac_samps, 1612 .read = ath9k_debugfs_read_buf, 1613 .release = ath9k_debugfs_release_buf, 1614 .owner = THIS_MODULE, 1615 .llseek = default_llseek, 1616 }; 1617 1618 1619 int ath9k_init_debug(struct ath_hw *ah) 1620 { 1621 struct ath_common *common = ath9k_hw_common(ah); 1622 struct ath_softc *sc = (struct ath_softc *) common->priv; 1623 1624 sc->debug.debugfs_phy = debugfs_create_dir("ath9k", 1625 sc->hw->wiphy->debugfsdir); 1626 if (!sc->debug.debugfs_phy) 1627 return -ENOMEM; 1628 1629 #ifdef CONFIG_ATH_DEBUG 1630 debugfs_create_file("debug", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy, 1631 sc, &fops_debug); 1632 #endif 1633 1634 ath9k_dfs_init_debug(sc); 1635 1636 debugfs_create_file("dma", S_IRUSR, sc->debug.debugfs_phy, sc, 1637 &fops_dma); 1638 debugfs_create_file("interrupt", S_IRUSR, sc->debug.debugfs_phy, sc, 1639 &fops_interrupt); 1640 debugfs_create_file("wiphy", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy, 1641 sc, &fops_wiphy); 1642 debugfs_create_file("xmit", S_IRUSR, sc->debug.debugfs_phy, sc, 1643 &fops_xmit); 1644 debugfs_create_file("stations", S_IRUSR, sc->debug.debugfs_phy, sc, 1645 &fops_stations); 1646 debugfs_create_file("misc", S_IRUSR, sc->debug.debugfs_phy, sc, 1647 &fops_misc); 1648 debugfs_create_file("recv", S_IRUSR, sc->debug.debugfs_phy, sc, 1649 &fops_recv); 1650 debugfs_create_file("rx_chainmask", S_IRUSR | S_IWUSR, 1651 sc->debug.debugfs_phy, sc, &fops_rx_chainmask); 1652 debugfs_create_file("tx_chainmask", S_IRUSR | S_IWUSR, 1653 sc->debug.debugfs_phy, sc, &fops_tx_chainmask); 1654 debugfs_create_file("disable_ani", S_IRUSR | S_IWUSR, 1655 sc->debug.debugfs_phy, sc, &fops_disable_ani); 1656 debugfs_create_file("regidx", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy, 1657 sc, &fops_regidx); 1658 debugfs_create_file("regval", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy, 1659 sc, &fops_regval); 1660 debugfs_create_bool("ignore_extcca", S_IRUSR | S_IWUSR, 1661 sc->debug.debugfs_phy, 1662 &ah->config.cwm_ignore_extcca); 1663 debugfs_create_file("regdump", S_IRUSR, sc->debug.debugfs_phy, sc, 1664 &fops_regdump); 1665 debugfs_create_file("dump_nfcal", S_IRUSR, sc->debug.debugfs_phy, sc, 1666 &fops_dump_nfcal); 1667 debugfs_create_file("base_eeprom", S_IRUSR, sc->debug.debugfs_phy, sc, 1668 &fops_base_eeprom); 1669 debugfs_create_file("modal_eeprom", S_IRUSR, sc->debug.debugfs_phy, sc, 1670 &fops_modal_eeprom); 1671 debugfs_create_file("samples", S_IRUSR, sc->debug.debugfs_phy, sc, 1672 &fops_samps); 1673 1674 debugfs_create_u32("gpio_mask", S_IRUSR | S_IWUSR, 1675 sc->debug.debugfs_phy, &sc->sc_ah->gpio_mask); 1676 1677 debugfs_create_u32("gpio_val", S_IRUSR | S_IWUSR, 1678 sc->debug.debugfs_phy, &sc->sc_ah->gpio_val); 1679 1680 sc->debug.regidx = 0; 1681 memset(&sc->debug.bb_mac_samp, 0, sizeof(sc->debug.bb_mac_samp)); 1682 sc->debug.sampidx = 0; 1683 sc->debug.tsidx = 0; 1684 sc->debug.rsidx = 0; 1685 return 0; 1686 } 1687