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 <linux/relay.h> 21 #include <asm/unaligned.h> 22 23 #include "ath9k.h" 24 25 #define REG_WRITE_D(_ah, _reg, _val) \ 26 ath9k_hw_common(_ah)->ops->write((_ah), (_val), (_reg)) 27 #define REG_READ_D(_ah, _reg) \ 28 ath9k_hw_common(_ah)->ops->read((_ah), (_reg)) 29 30 31 static ssize_t ath9k_debugfs_read_buf(struct file *file, char __user *user_buf, 32 size_t count, loff_t *ppos) 33 { 34 u8 *buf = file->private_data; 35 return simple_read_from_buffer(user_buf, count, ppos, buf, strlen(buf)); 36 } 37 38 static int ath9k_debugfs_release_buf(struct inode *inode, struct file *file) 39 { 40 vfree(file->private_data); 41 return 0; 42 } 43 44 #ifdef CONFIG_ATH_DEBUG 45 46 static ssize_t read_file_debug(struct file *file, char __user *user_buf, 47 size_t count, loff_t *ppos) 48 { 49 struct ath_softc *sc = file->private_data; 50 struct ath_common *common = ath9k_hw_common(sc->sc_ah); 51 char buf[32]; 52 unsigned int len; 53 54 len = sprintf(buf, "0x%08x\n", common->debug_mask); 55 return simple_read_from_buffer(user_buf, count, ppos, buf, len); 56 } 57 58 static ssize_t write_file_debug(struct file *file, const char __user *user_buf, 59 size_t count, loff_t *ppos) 60 { 61 struct ath_softc *sc = file->private_data; 62 struct ath_common *common = ath9k_hw_common(sc->sc_ah); 63 unsigned long mask; 64 char buf[32]; 65 ssize_t len; 66 67 len = min(count, sizeof(buf) - 1); 68 if (copy_from_user(buf, user_buf, len)) 69 return -EFAULT; 70 71 buf[len] = '\0'; 72 if (strict_strtoul(buf, 0, &mask)) 73 return -EINVAL; 74 75 common->debug_mask = mask; 76 return count; 77 } 78 79 static const struct file_operations fops_debug = { 80 .read = read_file_debug, 81 .write = write_file_debug, 82 .open = simple_open, 83 .owner = THIS_MODULE, 84 .llseek = default_llseek, 85 }; 86 87 #endif 88 89 #define DMA_BUF_LEN 1024 90 91 static ssize_t read_file_tx_chainmask(struct file *file, char __user *user_buf, 92 size_t count, loff_t *ppos) 93 { 94 struct ath_softc *sc = file->private_data; 95 struct ath_hw *ah = sc->sc_ah; 96 char buf[32]; 97 unsigned int len; 98 99 len = sprintf(buf, "0x%08x\n", ah->txchainmask); 100 return simple_read_from_buffer(user_buf, count, ppos, buf, len); 101 } 102 103 static ssize_t write_file_tx_chainmask(struct file *file, const char __user *user_buf, 104 size_t count, loff_t *ppos) 105 { 106 struct ath_softc *sc = file->private_data; 107 struct ath_hw *ah = sc->sc_ah; 108 unsigned long mask; 109 char buf[32]; 110 ssize_t len; 111 112 len = min(count, sizeof(buf) - 1); 113 if (copy_from_user(buf, user_buf, len)) 114 return -EFAULT; 115 116 buf[len] = '\0'; 117 if (strict_strtoul(buf, 0, &mask)) 118 return -EINVAL; 119 120 ah->txchainmask = mask; 121 ah->caps.tx_chainmask = mask; 122 return count; 123 } 124 125 static const struct file_operations fops_tx_chainmask = { 126 .read = read_file_tx_chainmask, 127 .write = write_file_tx_chainmask, 128 .open = simple_open, 129 .owner = THIS_MODULE, 130 .llseek = default_llseek, 131 }; 132 133 134 static ssize_t read_file_rx_chainmask(struct file *file, char __user *user_buf, 135 size_t count, loff_t *ppos) 136 { 137 struct ath_softc *sc = file->private_data; 138 struct ath_hw *ah = sc->sc_ah; 139 char buf[32]; 140 unsigned int len; 141 142 len = sprintf(buf, "0x%08x\n", ah->rxchainmask); 143 return simple_read_from_buffer(user_buf, count, ppos, buf, len); 144 } 145 146 static ssize_t write_file_rx_chainmask(struct file *file, const char __user *user_buf, 147 size_t count, loff_t *ppos) 148 { 149 struct ath_softc *sc = file->private_data; 150 struct ath_hw *ah = sc->sc_ah; 151 unsigned long mask; 152 char buf[32]; 153 ssize_t len; 154 155 len = min(count, sizeof(buf) - 1); 156 if (copy_from_user(buf, user_buf, len)) 157 return -EFAULT; 158 159 buf[len] = '\0'; 160 if (strict_strtoul(buf, 0, &mask)) 161 return -EINVAL; 162 163 ah->rxchainmask = mask; 164 ah->caps.rx_chainmask = mask; 165 return count; 166 } 167 168 static const struct file_operations fops_rx_chainmask = { 169 .read = read_file_rx_chainmask, 170 .write = write_file_rx_chainmask, 171 .open = simple_open, 172 .owner = THIS_MODULE, 173 .llseek = default_llseek, 174 }; 175 176 static ssize_t read_file_disable_ani(struct file *file, char __user *user_buf, 177 size_t count, loff_t *ppos) 178 { 179 struct ath_softc *sc = file->private_data; 180 struct ath_common *common = ath9k_hw_common(sc->sc_ah); 181 char buf[32]; 182 unsigned int len; 183 184 len = sprintf(buf, "%d\n", common->disable_ani); 185 return simple_read_from_buffer(user_buf, count, ppos, buf, len); 186 } 187 188 static ssize_t write_file_disable_ani(struct file *file, 189 const char __user *user_buf, 190 size_t count, loff_t *ppos) 191 { 192 struct ath_softc *sc = file->private_data; 193 struct ath_common *common = ath9k_hw_common(sc->sc_ah); 194 unsigned long disable_ani; 195 char buf[32]; 196 ssize_t len; 197 198 len = min(count, sizeof(buf) - 1); 199 if (copy_from_user(buf, user_buf, len)) 200 return -EFAULT; 201 202 buf[len] = '\0'; 203 if (strict_strtoul(buf, 0, &disable_ani)) 204 return -EINVAL; 205 206 common->disable_ani = !!disable_ani; 207 208 if (disable_ani) { 209 clear_bit(SC_OP_ANI_RUN, &sc->sc_flags); 210 ath_stop_ani(sc); 211 } else { 212 ath_check_ani(sc); 213 } 214 215 return count; 216 } 217 218 static const struct file_operations fops_disable_ani = { 219 .read = read_file_disable_ani, 220 .write = write_file_disable_ani, 221 .open = simple_open, 222 .owner = THIS_MODULE, 223 .llseek = default_llseek, 224 }; 225 226 static ssize_t read_file_ant_diversity(struct file *file, char __user *user_buf, 227 size_t count, loff_t *ppos) 228 { 229 struct ath_softc *sc = file->private_data; 230 struct ath_common *common = ath9k_hw_common(sc->sc_ah); 231 char buf[32]; 232 unsigned int len; 233 234 len = sprintf(buf, "%d\n", common->antenna_diversity); 235 return simple_read_from_buffer(user_buf, count, ppos, buf, len); 236 } 237 238 static ssize_t write_file_ant_diversity(struct file *file, 239 const char __user *user_buf, 240 size_t count, loff_t *ppos) 241 { 242 struct ath_softc *sc = file->private_data; 243 struct ath_common *common = ath9k_hw_common(sc->sc_ah); 244 unsigned long antenna_diversity; 245 char buf[32]; 246 ssize_t len; 247 248 len = min(count, sizeof(buf) - 1); 249 if (copy_from_user(buf, user_buf, len)) 250 return -EFAULT; 251 252 if (!AR_SREV_9565(sc->sc_ah)) 253 goto exit; 254 255 buf[len] = '\0'; 256 if (strict_strtoul(buf, 0, &antenna_diversity)) 257 return -EINVAL; 258 259 common->antenna_diversity = !!antenna_diversity; 260 ath9k_ps_wakeup(sc); 261 ath_ant_comb_update(sc); 262 ath_dbg(common, CONFIG, "Antenna diversity: %d\n", 263 common->antenna_diversity); 264 ath9k_ps_restore(sc); 265 exit: 266 return count; 267 } 268 269 static const struct file_operations fops_ant_diversity = { 270 .read = read_file_ant_diversity, 271 .write = write_file_ant_diversity, 272 .open = simple_open, 273 .owner = THIS_MODULE, 274 .llseek = default_llseek, 275 }; 276 277 static ssize_t read_file_dma(struct file *file, char __user *user_buf, 278 size_t count, loff_t *ppos) 279 { 280 struct ath_softc *sc = file->private_data; 281 struct ath_hw *ah = sc->sc_ah; 282 char *buf; 283 int retval; 284 unsigned int len = 0; 285 u32 val[ATH9K_NUM_DMA_DEBUG_REGS]; 286 int i, qcuOffset = 0, dcuOffset = 0; 287 u32 *qcuBase = &val[0], *dcuBase = &val[4]; 288 289 buf = kmalloc(DMA_BUF_LEN, GFP_KERNEL); 290 if (!buf) 291 return -ENOMEM; 292 293 ath9k_ps_wakeup(sc); 294 295 REG_WRITE_D(ah, AR_MACMISC, 296 ((AR_MACMISC_DMA_OBS_LINE_8 << AR_MACMISC_DMA_OBS_S) | 297 (AR_MACMISC_MISC_OBS_BUS_1 << 298 AR_MACMISC_MISC_OBS_BUS_MSB_S))); 299 300 len += snprintf(buf + len, DMA_BUF_LEN - len, 301 "Raw DMA Debug values:\n"); 302 303 for (i = 0; i < ATH9K_NUM_DMA_DEBUG_REGS; i++) { 304 if (i % 4 == 0) 305 len += snprintf(buf + len, DMA_BUF_LEN - len, "\n"); 306 307 val[i] = REG_READ_D(ah, AR_DMADBG_0 + (i * sizeof(u32))); 308 len += snprintf(buf + len, DMA_BUF_LEN - len, "%d: %08x ", 309 i, val[i]); 310 } 311 312 len += snprintf(buf + len, DMA_BUF_LEN - len, "\n\n"); 313 len += snprintf(buf + len, DMA_BUF_LEN - len, 314 "Num QCU: chain_st fsp_ok fsp_st DCU: chain_st\n"); 315 316 for (i = 0; i < ATH9K_NUM_QUEUES; i++, qcuOffset += 4, dcuOffset += 5) { 317 if (i == 8) { 318 qcuOffset = 0; 319 qcuBase++; 320 } 321 322 if (i == 6) { 323 dcuOffset = 0; 324 dcuBase++; 325 } 326 327 len += snprintf(buf + len, DMA_BUF_LEN - len, 328 "%2d %2x %1x %2x %2x\n", 329 i, (*qcuBase & (0x7 << qcuOffset)) >> qcuOffset, 330 (*qcuBase & (0x8 << qcuOffset)) >> (qcuOffset + 3), 331 val[2] & (0x7 << (i * 3)) >> (i * 3), 332 (*dcuBase & (0x1f << dcuOffset)) >> dcuOffset); 333 } 334 335 len += snprintf(buf + len, DMA_BUF_LEN - len, "\n"); 336 337 len += snprintf(buf + len, DMA_BUF_LEN - len, 338 "qcu_stitch state: %2x qcu_fetch state: %2x\n", 339 (val[3] & 0x003c0000) >> 18, (val[3] & 0x03c00000) >> 22); 340 len += snprintf(buf + len, DMA_BUF_LEN - len, 341 "qcu_complete state: %2x dcu_complete state: %2x\n", 342 (val[3] & 0x1c000000) >> 26, (val[6] & 0x3)); 343 len += snprintf(buf + len, DMA_BUF_LEN - len, 344 "dcu_arb state: %2x dcu_fp state: %2x\n", 345 (val[5] & 0x06000000) >> 25, (val[5] & 0x38000000) >> 27); 346 len += snprintf(buf + len, DMA_BUF_LEN - len, 347 "chan_idle_dur: %3d chan_idle_dur_valid: %1d\n", 348 (val[6] & 0x000003fc) >> 2, (val[6] & 0x00000400) >> 10); 349 len += snprintf(buf + len, DMA_BUF_LEN - len, 350 "txfifo_valid_0: %1d txfifo_valid_1: %1d\n", 351 (val[6] & 0x00000800) >> 11, (val[6] & 0x00001000) >> 12); 352 len += snprintf(buf + len, DMA_BUF_LEN - len, 353 "txfifo_dcu_num_0: %2d txfifo_dcu_num_1: %2d\n", 354 (val[6] & 0x0001e000) >> 13, (val[6] & 0x001e0000) >> 17); 355 356 len += snprintf(buf + len, DMA_BUF_LEN - len, "pcu observe: 0x%x\n", 357 REG_READ_D(ah, AR_OBS_BUS_1)); 358 len += snprintf(buf + len, DMA_BUF_LEN - len, 359 "AR_CR: 0x%x\n", REG_READ_D(ah, AR_CR)); 360 361 ath9k_ps_restore(sc); 362 363 if (len > DMA_BUF_LEN) 364 len = DMA_BUF_LEN; 365 366 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len); 367 kfree(buf); 368 return retval; 369 } 370 371 static const struct file_operations fops_dma = { 372 .read = read_file_dma, 373 .open = simple_open, 374 .owner = THIS_MODULE, 375 .llseek = default_llseek, 376 }; 377 378 379 void ath_debug_stat_interrupt(struct ath_softc *sc, enum ath9k_int status) 380 { 381 if (status) 382 sc->debug.stats.istats.total++; 383 if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) { 384 if (status & ATH9K_INT_RXLP) 385 sc->debug.stats.istats.rxlp++; 386 if (status & ATH9K_INT_RXHP) 387 sc->debug.stats.istats.rxhp++; 388 if (status & ATH9K_INT_BB_WATCHDOG) 389 sc->debug.stats.istats.bb_watchdog++; 390 } else { 391 if (status & ATH9K_INT_RX) 392 sc->debug.stats.istats.rxok++; 393 } 394 if (status & ATH9K_INT_RXEOL) 395 sc->debug.stats.istats.rxeol++; 396 if (status & ATH9K_INT_RXORN) 397 sc->debug.stats.istats.rxorn++; 398 if (status & ATH9K_INT_TX) 399 sc->debug.stats.istats.txok++; 400 if (status & ATH9K_INT_TXURN) 401 sc->debug.stats.istats.txurn++; 402 if (status & ATH9K_INT_RXPHY) 403 sc->debug.stats.istats.rxphyerr++; 404 if (status & ATH9K_INT_RXKCM) 405 sc->debug.stats.istats.rx_keycache_miss++; 406 if (status & ATH9K_INT_SWBA) 407 sc->debug.stats.istats.swba++; 408 if (status & ATH9K_INT_BMISS) 409 sc->debug.stats.istats.bmiss++; 410 if (status & ATH9K_INT_BNR) 411 sc->debug.stats.istats.bnr++; 412 if (status & ATH9K_INT_CST) 413 sc->debug.stats.istats.cst++; 414 if (status & ATH9K_INT_GTT) 415 sc->debug.stats.istats.gtt++; 416 if (status & ATH9K_INT_TIM) 417 sc->debug.stats.istats.tim++; 418 if (status & ATH9K_INT_CABEND) 419 sc->debug.stats.istats.cabend++; 420 if (status & ATH9K_INT_DTIMSYNC) 421 sc->debug.stats.istats.dtimsync++; 422 if (status & ATH9K_INT_DTIM) 423 sc->debug.stats.istats.dtim++; 424 if (status & ATH9K_INT_TSFOOR) 425 sc->debug.stats.istats.tsfoor++; 426 if (status & ATH9K_INT_MCI) 427 sc->debug.stats.istats.mci++; 428 if (status & ATH9K_INT_GENTIMER) 429 sc->debug.stats.istats.gen_timer++; 430 } 431 432 static ssize_t read_file_interrupt(struct file *file, char __user *user_buf, 433 size_t count, loff_t *ppos) 434 { 435 struct ath_softc *sc = file->private_data; 436 unsigned int len = 0; 437 int rv; 438 int mxlen = 4000; 439 char *buf = kmalloc(mxlen, GFP_KERNEL); 440 if (!buf) 441 return -ENOMEM; 442 443 #define PR_IS(a, s) \ 444 do { \ 445 len += snprintf(buf + len, mxlen - len, \ 446 "%21s: %10u\n", a, \ 447 sc->debug.stats.istats.s); \ 448 } while (0) 449 450 if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) { 451 PR_IS("RXLP", rxlp); 452 PR_IS("RXHP", rxhp); 453 PR_IS("WATHDOG", bb_watchdog); 454 } else { 455 PR_IS("RX", rxok); 456 } 457 PR_IS("RXEOL", rxeol); 458 PR_IS("RXORN", rxorn); 459 PR_IS("TX", txok); 460 PR_IS("TXURN", txurn); 461 PR_IS("MIB", mib); 462 PR_IS("RXPHY", rxphyerr); 463 PR_IS("RXKCM", rx_keycache_miss); 464 PR_IS("SWBA", swba); 465 PR_IS("BMISS", bmiss); 466 PR_IS("BNR", bnr); 467 PR_IS("CST", cst); 468 PR_IS("GTT", gtt); 469 PR_IS("TIM", tim); 470 PR_IS("CABEND", cabend); 471 PR_IS("DTIMSYNC", dtimsync); 472 PR_IS("DTIM", dtim); 473 PR_IS("TSFOOR", tsfoor); 474 PR_IS("MCI", mci); 475 PR_IS("GENTIMER", gen_timer); 476 PR_IS("TOTAL", total); 477 478 len += snprintf(buf + len, mxlen - len, 479 "SYNC_CAUSE stats:\n"); 480 481 PR_IS("Sync-All", sync_cause_all); 482 PR_IS("RTC-IRQ", sync_rtc_irq); 483 PR_IS("MAC-IRQ", sync_mac_irq); 484 PR_IS("EEPROM-Illegal-Access", eeprom_illegal_access); 485 PR_IS("APB-Timeout", apb_timeout); 486 PR_IS("PCI-Mode-Conflict", pci_mode_conflict); 487 PR_IS("HOST1-Fatal", host1_fatal); 488 PR_IS("HOST1-Perr", host1_perr); 489 PR_IS("TRCV-FIFO-Perr", trcv_fifo_perr); 490 PR_IS("RADM-CPL-EP", radm_cpl_ep); 491 PR_IS("RADM-CPL-DLLP-Abort", radm_cpl_dllp_abort); 492 PR_IS("RADM-CPL-TLP-Abort", radm_cpl_tlp_abort); 493 PR_IS("RADM-CPL-ECRC-Err", radm_cpl_ecrc_err); 494 PR_IS("RADM-CPL-Timeout", radm_cpl_timeout); 495 PR_IS("Local-Bus-Timeout", local_timeout); 496 PR_IS("PM-Access", pm_access); 497 PR_IS("MAC-Awake", mac_awake); 498 PR_IS("MAC-Asleep", mac_asleep); 499 PR_IS("MAC-Sleep-Access", mac_sleep_access); 500 501 if (len > mxlen) 502 len = mxlen; 503 504 rv = simple_read_from_buffer(user_buf, count, ppos, buf, len); 505 kfree(buf); 506 return rv; 507 } 508 509 static const struct file_operations fops_interrupt = { 510 .read = read_file_interrupt, 511 .open = simple_open, 512 .owner = THIS_MODULE, 513 .llseek = default_llseek, 514 }; 515 516 static ssize_t read_file_xmit(struct file *file, char __user *user_buf, 517 size_t count, loff_t *ppos) 518 { 519 struct ath_softc *sc = file->private_data; 520 char *buf; 521 unsigned int len = 0, size = 2048; 522 ssize_t retval = 0; 523 524 buf = kzalloc(size, GFP_KERNEL); 525 if (buf == NULL) 526 return -ENOMEM; 527 528 len += sprintf(buf, "%30s %10s%10s%10s\n\n", 529 "BE", "BK", "VI", "VO"); 530 531 PR("MPDUs Queued: ", queued); 532 PR("MPDUs Completed: ", completed); 533 PR("MPDUs XRetried: ", xretries); 534 PR("Aggregates: ", a_aggr); 535 PR("AMPDUs Queued HW:", a_queued_hw); 536 PR("AMPDUs Queued SW:", a_queued_sw); 537 PR("AMPDUs Completed:", a_completed); 538 PR("AMPDUs Retried: ", a_retries); 539 PR("AMPDUs XRetried: ", a_xretries); 540 PR("FIFO Underrun: ", fifo_underrun); 541 PR("TXOP Exceeded: ", xtxop); 542 PR("TXTIMER Expiry: ", timer_exp); 543 PR("DESC CFG Error: ", desc_cfg_err); 544 PR("DATA Underrun: ", data_underrun); 545 PR("DELIM Underrun: ", delim_underrun); 546 PR("TX-Pkts-All: ", tx_pkts_all); 547 PR("TX-Bytes-All: ", tx_bytes_all); 548 PR("HW-put-tx-buf: ", puttxbuf); 549 PR("HW-tx-start: ", txstart); 550 PR("HW-tx-proc-desc: ", txprocdesc); 551 PR("TX-Failed: ", txfailed); 552 553 if (len > size) 554 len = size; 555 556 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len); 557 kfree(buf); 558 559 return retval; 560 } 561 562 static ssize_t read_file_queues(struct file *file, char __user *user_buf, 563 size_t count, loff_t *ppos) 564 { 565 struct ath_softc *sc = file->private_data; 566 struct ath_txq *txq; 567 char *buf; 568 unsigned int len = 0, size = 1024; 569 ssize_t retval = 0; 570 int i; 571 char *qname[4] = {"VO", "VI", "BE", "BK"}; 572 573 buf = kzalloc(size, GFP_KERNEL); 574 if (buf == NULL) 575 return -ENOMEM; 576 577 for (i = 0; i < IEEE80211_NUM_ACS; i++) { 578 txq = sc->tx.txq_map[i]; 579 len += snprintf(buf + len, size - len, "(%s): ", qname[i]); 580 581 ath_txq_lock(sc, txq); 582 583 len += snprintf(buf + len, size - len, "%s: %d ", 584 "qnum", txq->axq_qnum); 585 len += snprintf(buf + len, size - len, "%s: %2d ", 586 "qdepth", txq->axq_depth); 587 len += snprintf(buf + len, size - len, "%s: %2d ", 588 "ampdu-depth", txq->axq_ampdu_depth); 589 len += snprintf(buf + len, size - len, "%s: %3d ", 590 "pending", txq->pending_frames); 591 len += snprintf(buf + len, size - len, "%s: %d\n", 592 "stopped", txq->stopped); 593 594 ath_txq_unlock(sc, txq); 595 } 596 597 if (len > size) 598 len = size; 599 600 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len); 601 kfree(buf); 602 603 return retval; 604 } 605 606 static ssize_t read_file_misc(struct file *file, char __user *user_buf, 607 size_t count, loff_t *ppos) 608 { 609 struct ath_softc *sc = file->private_data; 610 struct ath_common *common = ath9k_hw_common(sc->sc_ah); 611 struct ieee80211_hw *hw = sc->hw; 612 struct ath9k_vif_iter_data iter_data; 613 char buf[512]; 614 unsigned int len = 0; 615 ssize_t retval = 0; 616 unsigned int reg; 617 u32 rxfilter; 618 619 len += snprintf(buf + len, sizeof(buf) - len, 620 "BSSID: %pM\n", common->curbssid); 621 len += snprintf(buf + len, sizeof(buf) - len, 622 "BSSID-MASK: %pM\n", common->bssidmask); 623 len += snprintf(buf + len, sizeof(buf) - len, 624 "OPMODE: %s\n", ath_opmode_to_string(sc->sc_ah->opmode)); 625 626 ath9k_ps_wakeup(sc); 627 rxfilter = ath9k_hw_getrxfilter(sc->sc_ah); 628 ath9k_ps_restore(sc); 629 630 len += snprintf(buf + len, sizeof(buf) - len, 631 "RXFILTER: 0x%x", rxfilter); 632 633 if (rxfilter & ATH9K_RX_FILTER_UCAST) 634 len += snprintf(buf + len, sizeof(buf) - len, " UCAST"); 635 if (rxfilter & ATH9K_RX_FILTER_MCAST) 636 len += snprintf(buf + len, sizeof(buf) - len, " MCAST"); 637 if (rxfilter & ATH9K_RX_FILTER_BCAST) 638 len += snprintf(buf + len, sizeof(buf) - len, " BCAST"); 639 if (rxfilter & ATH9K_RX_FILTER_CONTROL) 640 len += snprintf(buf + len, sizeof(buf) - len, " CONTROL"); 641 if (rxfilter & ATH9K_RX_FILTER_BEACON) 642 len += snprintf(buf + len, sizeof(buf) - len, " BEACON"); 643 if (rxfilter & ATH9K_RX_FILTER_PROM) 644 len += snprintf(buf + len, sizeof(buf) - len, " PROM"); 645 if (rxfilter & ATH9K_RX_FILTER_PROBEREQ) 646 len += snprintf(buf + len, sizeof(buf) - len, " PROBEREQ"); 647 if (rxfilter & ATH9K_RX_FILTER_PHYERR) 648 len += snprintf(buf + len, sizeof(buf) - len, " PHYERR"); 649 if (rxfilter & ATH9K_RX_FILTER_MYBEACON) 650 len += snprintf(buf + len, sizeof(buf) - len, " MYBEACON"); 651 if (rxfilter & ATH9K_RX_FILTER_COMP_BAR) 652 len += snprintf(buf + len, sizeof(buf) - len, " COMP_BAR"); 653 if (rxfilter & ATH9K_RX_FILTER_PSPOLL) 654 len += snprintf(buf + len, sizeof(buf) - len, " PSPOLL"); 655 if (rxfilter & ATH9K_RX_FILTER_PHYRADAR) 656 len += snprintf(buf + len, sizeof(buf) - len, " PHYRADAR"); 657 if (rxfilter & ATH9K_RX_FILTER_MCAST_BCAST_ALL) 658 len += snprintf(buf + len, sizeof(buf) - len, " MCAST_BCAST_ALL"); 659 if (rxfilter & ATH9K_RX_FILTER_CONTROL_WRAPPER) 660 len += snprintf(buf + len, sizeof(buf) - len, " CONTROL_WRAPPER"); 661 662 len += snprintf(buf + len, sizeof(buf) - len, "\n"); 663 664 reg = sc->sc_ah->imask; 665 666 len += snprintf(buf + len, sizeof(buf) - len, "INTERRUPT-MASK: 0x%x", reg); 667 668 if (reg & ATH9K_INT_SWBA) 669 len += snprintf(buf + len, sizeof(buf) - len, " SWBA"); 670 if (reg & ATH9K_INT_BMISS) 671 len += snprintf(buf + len, sizeof(buf) - len, " BMISS"); 672 if (reg & ATH9K_INT_CST) 673 len += snprintf(buf + len, sizeof(buf) - len, " CST"); 674 if (reg & ATH9K_INT_RX) 675 len += snprintf(buf + len, sizeof(buf) - len, " RX"); 676 if (reg & ATH9K_INT_RXHP) 677 len += snprintf(buf + len, sizeof(buf) - len, " RXHP"); 678 if (reg & ATH9K_INT_RXLP) 679 len += snprintf(buf + len, sizeof(buf) - len, " RXLP"); 680 if (reg & ATH9K_INT_BB_WATCHDOG) 681 len += snprintf(buf + len, sizeof(buf) - len, " BB_WATCHDOG"); 682 683 len += snprintf(buf + len, sizeof(buf) - len, "\n"); 684 685 ath9k_calculate_iter_data(hw, NULL, &iter_data); 686 687 len += snprintf(buf + len, sizeof(buf) - len, 688 "VIF-COUNTS: AP: %i STA: %i MESH: %i WDS: %i" 689 " ADHOC: %i TOTAL: %hi BEACON-VIF: %hi\n", 690 iter_data.naps, iter_data.nstations, iter_data.nmeshes, 691 iter_data.nwds, iter_data.nadhocs, 692 sc->nvifs, sc->nbcnvifs); 693 694 if (len > sizeof(buf)) 695 len = sizeof(buf); 696 697 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len); 698 return retval; 699 } 700 701 static ssize_t read_file_reset(struct file *file, char __user *user_buf, 702 size_t count, loff_t *ppos) 703 { 704 struct ath_softc *sc = file->private_data; 705 char buf[512]; 706 unsigned int len = 0; 707 708 len += snprintf(buf + len, sizeof(buf) - len, 709 "%17s: %2d\n", "Baseband Hang", 710 sc->debug.stats.reset[RESET_TYPE_BB_HANG]); 711 len += snprintf(buf + len, sizeof(buf) - len, 712 "%17s: %2d\n", "Baseband Watchdog", 713 sc->debug.stats.reset[RESET_TYPE_BB_WATCHDOG]); 714 len += snprintf(buf + len, sizeof(buf) - len, 715 "%17s: %2d\n", "Fatal HW Error", 716 sc->debug.stats.reset[RESET_TYPE_FATAL_INT]); 717 len += snprintf(buf + len, sizeof(buf) - len, 718 "%17s: %2d\n", "TX HW error", 719 sc->debug.stats.reset[RESET_TYPE_TX_ERROR]); 720 len += snprintf(buf + len, sizeof(buf) - len, 721 "%17s: %2d\n", "TX Path Hang", 722 sc->debug.stats.reset[RESET_TYPE_TX_HANG]); 723 len += snprintf(buf + len, sizeof(buf) - len, 724 "%17s: %2d\n", "PLL RX Hang", 725 sc->debug.stats.reset[RESET_TYPE_PLL_HANG]); 726 len += snprintf(buf + len, sizeof(buf) - len, 727 "%17s: %2d\n", "MCI Reset", 728 sc->debug.stats.reset[RESET_TYPE_MCI]); 729 730 if (len > sizeof(buf)) 731 len = sizeof(buf); 732 733 return simple_read_from_buffer(user_buf, count, ppos, buf, len); 734 } 735 736 void ath_debug_stat_tx(struct ath_softc *sc, struct ath_buf *bf, 737 struct ath_tx_status *ts, struct ath_txq *txq, 738 unsigned int flags) 739 { 740 #define TX_SAMP_DBG(c) (sc->debug.bb_mac_samp[sc->debug.sampidx].ts\ 741 [sc->debug.tsidx].c) 742 int qnum = txq->axq_qnum; 743 744 TX_STAT_INC(qnum, tx_pkts_all); 745 sc->debug.stats.txstats[qnum].tx_bytes_all += bf->bf_mpdu->len; 746 747 if (bf_isampdu(bf)) { 748 if (flags & ATH_TX_ERROR) 749 TX_STAT_INC(qnum, a_xretries); 750 else 751 TX_STAT_INC(qnum, a_completed); 752 } else { 753 if (ts->ts_status & ATH9K_TXERR_XRETRY) 754 TX_STAT_INC(qnum, xretries); 755 else 756 TX_STAT_INC(qnum, completed); 757 } 758 759 if (ts->ts_status & ATH9K_TXERR_FIFO) 760 TX_STAT_INC(qnum, fifo_underrun); 761 if (ts->ts_status & ATH9K_TXERR_XTXOP) 762 TX_STAT_INC(qnum, xtxop); 763 if (ts->ts_status & ATH9K_TXERR_TIMER_EXPIRED) 764 TX_STAT_INC(qnum, timer_exp); 765 if (ts->ts_flags & ATH9K_TX_DESC_CFG_ERR) 766 TX_STAT_INC(qnum, desc_cfg_err); 767 if (ts->ts_flags & ATH9K_TX_DATA_UNDERRUN) 768 TX_STAT_INC(qnum, data_underrun); 769 if (ts->ts_flags & ATH9K_TX_DELIM_UNDERRUN) 770 TX_STAT_INC(qnum, delim_underrun); 771 772 #ifdef CONFIG_ATH9K_MAC_DEBUG 773 spin_lock(&sc->debug.samp_lock); 774 TX_SAMP_DBG(jiffies) = jiffies; 775 TX_SAMP_DBG(rssi_ctl0) = ts->ts_rssi_ctl0; 776 TX_SAMP_DBG(rssi_ctl1) = ts->ts_rssi_ctl1; 777 TX_SAMP_DBG(rssi_ctl2) = ts->ts_rssi_ctl2; 778 TX_SAMP_DBG(rssi_ext0) = ts->ts_rssi_ext0; 779 TX_SAMP_DBG(rssi_ext1) = ts->ts_rssi_ext1; 780 TX_SAMP_DBG(rssi_ext2) = ts->ts_rssi_ext2; 781 TX_SAMP_DBG(rateindex) = ts->ts_rateindex; 782 TX_SAMP_DBG(isok) = !!(ts->ts_status & ATH9K_TXERR_MASK); 783 TX_SAMP_DBG(rts_fail_cnt) = ts->ts_shortretry; 784 TX_SAMP_DBG(data_fail_cnt) = ts->ts_longretry; 785 TX_SAMP_DBG(rssi) = ts->ts_rssi; 786 TX_SAMP_DBG(tid) = ts->tid; 787 TX_SAMP_DBG(qid) = ts->qid; 788 789 if (ts->ts_flags & ATH9K_TX_BA) { 790 TX_SAMP_DBG(ba_low) = ts->ba_low; 791 TX_SAMP_DBG(ba_high) = ts->ba_high; 792 } else { 793 TX_SAMP_DBG(ba_low) = 0; 794 TX_SAMP_DBG(ba_high) = 0; 795 } 796 797 sc->debug.tsidx = (sc->debug.tsidx + 1) % ATH_DBG_MAX_SAMPLES; 798 spin_unlock(&sc->debug.samp_lock); 799 #endif 800 801 #undef TX_SAMP_DBG 802 } 803 804 static const struct file_operations fops_xmit = { 805 .read = read_file_xmit, 806 .open = simple_open, 807 .owner = THIS_MODULE, 808 .llseek = default_llseek, 809 }; 810 811 static const struct file_operations fops_queues = { 812 .read = read_file_queues, 813 .open = simple_open, 814 .owner = THIS_MODULE, 815 .llseek = default_llseek, 816 }; 817 818 static const struct file_operations fops_misc = { 819 .read = read_file_misc, 820 .open = simple_open, 821 .owner = THIS_MODULE, 822 .llseek = default_llseek, 823 }; 824 825 static const struct file_operations fops_reset = { 826 .read = read_file_reset, 827 .open = simple_open, 828 .owner = THIS_MODULE, 829 .llseek = default_llseek, 830 }; 831 832 static ssize_t read_file_recv(struct file *file, char __user *user_buf, 833 size_t count, loff_t *ppos) 834 { 835 #define PHY_ERR(s, p) \ 836 len += snprintf(buf + len, size - len, "%22s : %10u\n", s, \ 837 sc->debug.stats.rxstats.phy_err_stats[p]); 838 839 #define RXS_ERR(s, e) \ 840 do { \ 841 len += snprintf(buf + len, size - len, \ 842 "%22s : %10u\n", s, \ 843 sc->debug.stats.rxstats.e); \ 844 } while (0) 845 846 struct ath_softc *sc = file->private_data; 847 char *buf; 848 unsigned int len = 0, size = 1600; 849 ssize_t retval = 0; 850 851 buf = kzalloc(size, GFP_KERNEL); 852 if (buf == NULL) 853 return -ENOMEM; 854 855 RXS_ERR("CRC ERR", crc_err); 856 RXS_ERR("DECRYPT CRC ERR", decrypt_crc_err); 857 RXS_ERR("PHY ERR", phy_err); 858 RXS_ERR("MIC ERR", mic_err); 859 RXS_ERR("PRE-DELIM CRC ERR", pre_delim_crc_err); 860 RXS_ERR("POST-DELIM CRC ERR", post_delim_crc_err); 861 RXS_ERR("DECRYPT BUSY ERR", decrypt_busy_err); 862 RXS_ERR("RX-LENGTH-ERR", rx_len_err); 863 RXS_ERR("RX-OOM-ERR", rx_oom_err); 864 RXS_ERR("RX-RATE-ERR", rx_rate_err); 865 RXS_ERR("RX-TOO-MANY-FRAGS", rx_too_many_frags_err); 866 867 PHY_ERR("UNDERRUN ERR", ATH9K_PHYERR_UNDERRUN); 868 PHY_ERR("TIMING ERR", ATH9K_PHYERR_TIMING); 869 PHY_ERR("PARITY ERR", ATH9K_PHYERR_PARITY); 870 PHY_ERR("RATE ERR", ATH9K_PHYERR_RATE); 871 PHY_ERR("LENGTH ERR", ATH9K_PHYERR_LENGTH); 872 PHY_ERR("RADAR ERR", ATH9K_PHYERR_RADAR); 873 PHY_ERR("SERVICE ERR", ATH9K_PHYERR_SERVICE); 874 PHY_ERR("TOR ERR", ATH9K_PHYERR_TOR); 875 PHY_ERR("OFDM-TIMING ERR", ATH9K_PHYERR_OFDM_TIMING); 876 PHY_ERR("OFDM-SIGNAL-PARITY ERR", ATH9K_PHYERR_OFDM_SIGNAL_PARITY); 877 PHY_ERR("OFDM-RATE ERR", ATH9K_PHYERR_OFDM_RATE_ILLEGAL); 878 PHY_ERR("OFDM-LENGTH ERR", ATH9K_PHYERR_OFDM_LENGTH_ILLEGAL); 879 PHY_ERR("OFDM-POWER-DROP ERR", ATH9K_PHYERR_OFDM_POWER_DROP); 880 PHY_ERR("OFDM-SERVICE ERR", ATH9K_PHYERR_OFDM_SERVICE); 881 PHY_ERR("OFDM-RESTART ERR", ATH9K_PHYERR_OFDM_RESTART); 882 PHY_ERR("FALSE-RADAR-EXT ERR", ATH9K_PHYERR_FALSE_RADAR_EXT); 883 PHY_ERR("CCK-TIMING ERR", ATH9K_PHYERR_CCK_TIMING); 884 PHY_ERR("CCK-HEADER-CRC ERR", ATH9K_PHYERR_CCK_HEADER_CRC); 885 PHY_ERR("CCK-RATE ERR", ATH9K_PHYERR_CCK_RATE_ILLEGAL); 886 PHY_ERR("CCK-SERVICE ERR", ATH9K_PHYERR_CCK_SERVICE); 887 PHY_ERR("CCK-RESTART ERR", ATH9K_PHYERR_CCK_RESTART); 888 PHY_ERR("CCK-LENGTH ERR", ATH9K_PHYERR_CCK_LENGTH_ILLEGAL); 889 PHY_ERR("CCK-POWER-DROP ERR", ATH9K_PHYERR_CCK_POWER_DROP); 890 PHY_ERR("HT-CRC ERR", ATH9K_PHYERR_HT_CRC_ERROR); 891 PHY_ERR("HT-LENGTH ERR", ATH9K_PHYERR_HT_LENGTH_ILLEGAL); 892 PHY_ERR("HT-RATE ERR", ATH9K_PHYERR_HT_RATE_ILLEGAL); 893 894 RXS_ERR("RX-Pkts-All", rx_pkts_all); 895 RXS_ERR("RX-Bytes-All", rx_bytes_all); 896 RXS_ERR("RX-Beacons", rx_beacons); 897 RXS_ERR("RX-Frags", rx_frags); 898 RXS_ERR("RX-Spectral", rx_spectral); 899 900 if (len > size) 901 len = size; 902 903 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len); 904 kfree(buf); 905 906 return retval; 907 908 #undef RXS_ERR 909 #undef PHY_ERR 910 } 911 912 void ath_debug_stat_rx(struct ath_softc *sc, struct ath_rx_status *rs) 913 { 914 #define RX_PHY_ERR_INC(c) sc->debug.stats.rxstats.phy_err_stats[c]++ 915 #define RX_SAMP_DBG(c) (sc->debug.bb_mac_samp[sc->debug.sampidx].rs\ 916 [sc->debug.rsidx].c) 917 918 RX_STAT_INC(rx_pkts_all); 919 sc->debug.stats.rxstats.rx_bytes_all += rs->rs_datalen; 920 921 if (rs->rs_status & ATH9K_RXERR_CRC) 922 RX_STAT_INC(crc_err); 923 if (rs->rs_status & ATH9K_RXERR_DECRYPT) 924 RX_STAT_INC(decrypt_crc_err); 925 if (rs->rs_status & ATH9K_RXERR_MIC) 926 RX_STAT_INC(mic_err); 927 if (rs->rs_status & ATH9K_RX_DELIM_CRC_PRE) 928 RX_STAT_INC(pre_delim_crc_err); 929 if (rs->rs_status & ATH9K_RX_DELIM_CRC_POST) 930 RX_STAT_INC(post_delim_crc_err); 931 if (rs->rs_status & ATH9K_RX_DECRYPT_BUSY) 932 RX_STAT_INC(decrypt_busy_err); 933 934 if (rs->rs_status & ATH9K_RXERR_PHY) { 935 RX_STAT_INC(phy_err); 936 if (rs->rs_phyerr < ATH9K_PHYERR_MAX) 937 RX_PHY_ERR_INC(rs->rs_phyerr); 938 } 939 940 #ifdef CONFIG_ATH9K_MAC_DEBUG 941 spin_lock(&sc->debug.samp_lock); 942 RX_SAMP_DBG(jiffies) = jiffies; 943 RX_SAMP_DBG(rssi_ctl0) = rs->rs_rssi_ctl0; 944 RX_SAMP_DBG(rssi_ctl1) = rs->rs_rssi_ctl1; 945 RX_SAMP_DBG(rssi_ctl2) = rs->rs_rssi_ctl2; 946 RX_SAMP_DBG(rssi_ext0) = rs->rs_rssi_ext0; 947 RX_SAMP_DBG(rssi_ext1) = rs->rs_rssi_ext1; 948 RX_SAMP_DBG(rssi_ext2) = rs->rs_rssi_ext2; 949 RX_SAMP_DBG(antenna) = rs->rs_antenna; 950 RX_SAMP_DBG(rssi) = rs->rs_rssi; 951 RX_SAMP_DBG(rate) = rs->rs_rate; 952 RX_SAMP_DBG(is_mybeacon) = rs->is_mybeacon; 953 954 sc->debug.rsidx = (sc->debug.rsidx + 1) % ATH_DBG_MAX_SAMPLES; 955 spin_unlock(&sc->debug.samp_lock); 956 957 #endif 958 959 #undef RX_PHY_ERR_INC 960 #undef RX_SAMP_DBG 961 } 962 963 static const struct file_operations fops_recv = { 964 .read = read_file_recv, 965 .open = simple_open, 966 .owner = THIS_MODULE, 967 .llseek = default_llseek, 968 }; 969 970 static ssize_t read_file_spec_scan_ctl(struct file *file, char __user *user_buf, 971 size_t count, loff_t *ppos) 972 { 973 struct ath_softc *sc = file->private_data; 974 char *mode = ""; 975 unsigned int len; 976 977 switch (sc->spectral_mode) { 978 case SPECTRAL_DISABLED: 979 mode = "disable"; 980 break; 981 case SPECTRAL_BACKGROUND: 982 mode = "background"; 983 break; 984 case SPECTRAL_CHANSCAN: 985 mode = "chanscan"; 986 break; 987 case SPECTRAL_MANUAL: 988 mode = "manual"; 989 break; 990 } 991 len = strlen(mode); 992 return simple_read_from_buffer(user_buf, count, ppos, mode, len); 993 } 994 995 static ssize_t write_file_spec_scan_ctl(struct file *file, 996 const char __user *user_buf, 997 size_t count, loff_t *ppos) 998 { 999 struct ath_softc *sc = file->private_data; 1000 struct ath_common *common = ath9k_hw_common(sc->sc_ah); 1001 char buf[32]; 1002 ssize_t len; 1003 1004 len = min(count, sizeof(buf) - 1); 1005 if (copy_from_user(buf, user_buf, len)) 1006 return -EFAULT; 1007 1008 buf[len] = '\0'; 1009 1010 if (strncmp("trigger", buf, 7) == 0) { 1011 ath9k_spectral_scan_trigger(sc->hw); 1012 } else if (strncmp("background", buf, 9) == 0) { 1013 ath9k_spectral_scan_config(sc->hw, SPECTRAL_BACKGROUND); 1014 ath_dbg(common, CONFIG, "spectral scan: background mode enabled\n"); 1015 } else if (strncmp("chanscan", buf, 8) == 0) { 1016 ath9k_spectral_scan_config(sc->hw, SPECTRAL_CHANSCAN); 1017 ath_dbg(common, CONFIG, "spectral scan: channel scan mode enabled\n"); 1018 } else if (strncmp("manual", buf, 6) == 0) { 1019 ath9k_spectral_scan_config(sc->hw, SPECTRAL_MANUAL); 1020 ath_dbg(common, CONFIG, "spectral scan: manual mode enabled\n"); 1021 } else if (strncmp("disable", buf, 7) == 0) { 1022 ath9k_spectral_scan_config(sc->hw, SPECTRAL_DISABLED); 1023 ath_dbg(common, CONFIG, "spectral scan: disabled\n"); 1024 } else { 1025 return -EINVAL; 1026 } 1027 1028 return count; 1029 } 1030 1031 static const struct file_operations fops_spec_scan_ctl = { 1032 .read = read_file_spec_scan_ctl, 1033 .write = write_file_spec_scan_ctl, 1034 .open = simple_open, 1035 .owner = THIS_MODULE, 1036 .llseek = default_llseek, 1037 }; 1038 1039 static ssize_t read_file_spectral_short_repeat(struct file *file, 1040 char __user *user_buf, 1041 size_t count, loff_t *ppos) 1042 { 1043 struct ath_softc *sc = file->private_data; 1044 char buf[32]; 1045 unsigned int len; 1046 1047 len = sprintf(buf, "%d\n", sc->spec_config.short_repeat); 1048 return simple_read_from_buffer(user_buf, count, ppos, buf, len); 1049 } 1050 1051 static ssize_t write_file_spectral_short_repeat(struct file *file, 1052 const char __user *user_buf, 1053 size_t count, loff_t *ppos) 1054 { 1055 struct ath_softc *sc = file->private_data; 1056 unsigned long val; 1057 char buf[32]; 1058 ssize_t len; 1059 1060 len = min(count, sizeof(buf) - 1); 1061 if (copy_from_user(buf, user_buf, len)) 1062 return -EFAULT; 1063 1064 buf[len] = '\0'; 1065 if (kstrtoul(buf, 0, &val)) 1066 return -EINVAL; 1067 1068 if (val < 0 || val > 1) 1069 return -EINVAL; 1070 1071 sc->spec_config.short_repeat = val; 1072 return count; 1073 } 1074 1075 static const struct file_operations fops_spectral_short_repeat = { 1076 .read = read_file_spectral_short_repeat, 1077 .write = write_file_spectral_short_repeat, 1078 .open = simple_open, 1079 .owner = THIS_MODULE, 1080 .llseek = default_llseek, 1081 }; 1082 1083 static ssize_t read_file_spectral_count(struct file *file, 1084 char __user *user_buf, 1085 size_t count, loff_t *ppos) 1086 { 1087 struct ath_softc *sc = file->private_data; 1088 char buf[32]; 1089 unsigned int len; 1090 1091 len = sprintf(buf, "%d\n", sc->spec_config.count); 1092 return simple_read_from_buffer(user_buf, count, ppos, buf, len); 1093 } 1094 1095 static ssize_t write_file_spectral_count(struct file *file, 1096 const char __user *user_buf, 1097 size_t count, loff_t *ppos) 1098 { 1099 struct ath_softc *sc = file->private_data; 1100 unsigned long val; 1101 char buf[32]; 1102 ssize_t len; 1103 1104 len = min(count, sizeof(buf) - 1); 1105 if (copy_from_user(buf, user_buf, len)) 1106 return -EFAULT; 1107 1108 buf[len] = '\0'; 1109 if (kstrtoul(buf, 0, &val)) 1110 return -EINVAL; 1111 1112 if (val < 0 || val > 255) 1113 return -EINVAL; 1114 1115 sc->spec_config.count = val; 1116 return count; 1117 } 1118 1119 static const struct file_operations fops_spectral_count = { 1120 .read = read_file_spectral_count, 1121 .write = write_file_spectral_count, 1122 .open = simple_open, 1123 .owner = THIS_MODULE, 1124 .llseek = default_llseek, 1125 }; 1126 1127 static ssize_t read_file_spectral_period(struct file *file, 1128 char __user *user_buf, 1129 size_t count, loff_t *ppos) 1130 { 1131 struct ath_softc *sc = file->private_data; 1132 char buf[32]; 1133 unsigned int len; 1134 1135 len = sprintf(buf, "%d\n", sc->spec_config.period); 1136 return simple_read_from_buffer(user_buf, count, ppos, buf, len); 1137 } 1138 1139 static ssize_t write_file_spectral_period(struct file *file, 1140 const char __user *user_buf, 1141 size_t count, loff_t *ppos) 1142 { 1143 struct ath_softc *sc = file->private_data; 1144 unsigned long val; 1145 char buf[32]; 1146 ssize_t len; 1147 1148 len = min(count, sizeof(buf) - 1); 1149 if (copy_from_user(buf, user_buf, len)) 1150 return -EFAULT; 1151 1152 buf[len] = '\0'; 1153 if (kstrtoul(buf, 0, &val)) 1154 return -EINVAL; 1155 1156 if (val < 0 || val > 255) 1157 return -EINVAL; 1158 1159 sc->spec_config.period = val; 1160 return count; 1161 } 1162 1163 static const struct file_operations fops_spectral_period = { 1164 .read = read_file_spectral_period, 1165 .write = write_file_spectral_period, 1166 .open = simple_open, 1167 .owner = THIS_MODULE, 1168 .llseek = default_llseek, 1169 }; 1170 1171 static ssize_t read_file_spectral_fft_period(struct file *file, 1172 char __user *user_buf, 1173 size_t count, loff_t *ppos) 1174 { 1175 struct ath_softc *sc = file->private_data; 1176 char buf[32]; 1177 unsigned int len; 1178 1179 len = sprintf(buf, "%d\n", sc->spec_config.fft_period); 1180 return simple_read_from_buffer(user_buf, count, ppos, buf, len); 1181 } 1182 1183 static ssize_t write_file_spectral_fft_period(struct file *file, 1184 const char __user *user_buf, 1185 size_t count, loff_t *ppos) 1186 { 1187 struct ath_softc *sc = file->private_data; 1188 unsigned long val; 1189 char buf[32]; 1190 ssize_t len; 1191 1192 len = min(count, sizeof(buf) - 1); 1193 if (copy_from_user(buf, user_buf, len)) 1194 return -EFAULT; 1195 1196 buf[len] = '\0'; 1197 if (kstrtoul(buf, 0, &val)) 1198 return -EINVAL; 1199 1200 if (val < 0 || val > 15) 1201 return -EINVAL; 1202 1203 sc->spec_config.fft_period = val; 1204 return count; 1205 } 1206 1207 static const struct file_operations fops_spectral_fft_period = { 1208 .read = read_file_spectral_fft_period, 1209 .write = write_file_spectral_fft_period, 1210 .open = simple_open, 1211 .owner = THIS_MODULE, 1212 .llseek = default_llseek, 1213 }; 1214 1215 static struct dentry *create_buf_file_handler(const char *filename, 1216 struct dentry *parent, 1217 umode_t mode, 1218 struct rchan_buf *buf, 1219 int *is_global) 1220 { 1221 struct dentry *buf_file; 1222 1223 buf_file = debugfs_create_file(filename, mode, parent, buf, 1224 &relay_file_operations); 1225 *is_global = 1; 1226 return buf_file; 1227 } 1228 1229 static int remove_buf_file_handler(struct dentry *dentry) 1230 { 1231 debugfs_remove(dentry); 1232 1233 return 0; 1234 } 1235 1236 void ath_debug_send_fft_sample(struct ath_softc *sc, 1237 struct fft_sample_tlv *fft_sample_tlv) 1238 { 1239 int length; 1240 if (!sc->rfs_chan_spec_scan) 1241 return; 1242 1243 length = __be16_to_cpu(fft_sample_tlv->length) + 1244 sizeof(*fft_sample_tlv); 1245 relay_write(sc->rfs_chan_spec_scan, fft_sample_tlv, length); 1246 } 1247 1248 static struct rchan_callbacks rfs_spec_scan_cb = { 1249 .create_buf_file = create_buf_file_handler, 1250 .remove_buf_file = remove_buf_file_handler, 1251 }; 1252 1253 1254 static ssize_t read_file_regidx(struct file *file, char __user *user_buf, 1255 size_t count, loff_t *ppos) 1256 { 1257 struct ath_softc *sc = file->private_data; 1258 char buf[32]; 1259 unsigned int len; 1260 1261 len = sprintf(buf, "0x%08x\n", sc->debug.regidx); 1262 return simple_read_from_buffer(user_buf, count, ppos, buf, len); 1263 } 1264 1265 static ssize_t write_file_regidx(struct file *file, const char __user *user_buf, 1266 size_t count, loff_t *ppos) 1267 { 1268 struct ath_softc *sc = file->private_data; 1269 unsigned long regidx; 1270 char buf[32]; 1271 ssize_t len; 1272 1273 len = min(count, sizeof(buf) - 1); 1274 if (copy_from_user(buf, user_buf, len)) 1275 return -EFAULT; 1276 1277 buf[len] = '\0'; 1278 if (strict_strtoul(buf, 0, ®idx)) 1279 return -EINVAL; 1280 1281 sc->debug.regidx = regidx; 1282 return count; 1283 } 1284 1285 static const struct file_operations fops_regidx = { 1286 .read = read_file_regidx, 1287 .write = write_file_regidx, 1288 .open = simple_open, 1289 .owner = THIS_MODULE, 1290 .llseek = default_llseek, 1291 }; 1292 1293 static ssize_t read_file_regval(struct file *file, char __user *user_buf, 1294 size_t count, loff_t *ppos) 1295 { 1296 struct ath_softc *sc = file->private_data; 1297 struct ath_hw *ah = sc->sc_ah; 1298 char buf[32]; 1299 unsigned int len; 1300 u32 regval; 1301 1302 ath9k_ps_wakeup(sc); 1303 regval = REG_READ_D(ah, sc->debug.regidx); 1304 ath9k_ps_restore(sc); 1305 len = sprintf(buf, "0x%08x\n", regval); 1306 return simple_read_from_buffer(user_buf, count, ppos, buf, len); 1307 } 1308 1309 static ssize_t write_file_regval(struct file *file, const char __user *user_buf, 1310 size_t count, loff_t *ppos) 1311 { 1312 struct ath_softc *sc = file->private_data; 1313 struct ath_hw *ah = sc->sc_ah; 1314 unsigned long regval; 1315 char buf[32]; 1316 ssize_t len; 1317 1318 len = min(count, sizeof(buf) - 1); 1319 if (copy_from_user(buf, user_buf, len)) 1320 return -EFAULT; 1321 1322 buf[len] = '\0'; 1323 if (strict_strtoul(buf, 0, ®val)) 1324 return -EINVAL; 1325 1326 ath9k_ps_wakeup(sc); 1327 REG_WRITE_D(ah, sc->debug.regidx, regval); 1328 ath9k_ps_restore(sc); 1329 return count; 1330 } 1331 1332 static const struct file_operations fops_regval = { 1333 .read = read_file_regval, 1334 .write = write_file_regval, 1335 .open = simple_open, 1336 .owner = THIS_MODULE, 1337 .llseek = default_llseek, 1338 }; 1339 1340 #define REGDUMP_LINE_SIZE 20 1341 1342 static int open_file_regdump(struct inode *inode, struct file *file) 1343 { 1344 struct ath_softc *sc = inode->i_private; 1345 unsigned int len = 0; 1346 u8 *buf; 1347 int i; 1348 unsigned long num_regs, regdump_len, max_reg_offset; 1349 1350 max_reg_offset = AR_SREV_9300_20_OR_LATER(sc->sc_ah) ? 0x16bd4 : 0xb500; 1351 num_regs = max_reg_offset / 4 + 1; 1352 regdump_len = num_regs * REGDUMP_LINE_SIZE + 1; 1353 buf = vmalloc(regdump_len); 1354 if (!buf) 1355 return -ENOMEM; 1356 1357 ath9k_ps_wakeup(sc); 1358 for (i = 0; i < num_regs; i++) 1359 len += scnprintf(buf + len, regdump_len - len, 1360 "0x%06x 0x%08x\n", i << 2, REG_READ(sc->sc_ah, i << 2)); 1361 ath9k_ps_restore(sc); 1362 1363 file->private_data = buf; 1364 1365 return 0; 1366 } 1367 1368 static const struct file_operations fops_regdump = { 1369 .open = open_file_regdump, 1370 .read = ath9k_debugfs_read_buf, 1371 .release = ath9k_debugfs_release_buf, 1372 .owner = THIS_MODULE, 1373 .llseek = default_llseek,/* read accesses f_pos */ 1374 }; 1375 1376 static ssize_t read_file_dump_nfcal(struct file *file, char __user *user_buf, 1377 size_t count, loff_t *ppos) 1378 { 1379 struct ath_softc *sc = file->private_data; 1380 struct ath_hw *ah = sc->sc_ah; 1381 struct ath9k_nfcal_hist *h = sc->caldata.nfCalHist; 1382 struct ath_common *common = ath9k_hw_common(ah); 1383 struct ieee80211_conf *conf = &common->hw->conf; 1384 u32 len = 0, size = 1500; 1385 u32 i, j; 1386 ssize_t retval = 0; 1387 char *buf; 1388 u8 chainmask = (ah->rxchainmask << 3) | ah->rxchainmask; 1389 u8 nread; 1390 1391 buf = kzalloc(size, GFP_KERNEL); 1392 if (!buf) 1393 return -ENOMEM; 1394 1395 len += snprintf(buf + len, size - len, 1396 "Channel Noise Floor : %d\n", ah->noise); 1397 len += snprintf(buf + len, size - len, 1398 "Chain | privNF | # Readings | NF Readings\n"); 1399 for (i = 0; i < NUM_NF_READINGS; i++) { 1400 if (!(chainmask & (1 << i)) || 1401 ((i >= AR5416_MAX_CHAINS) && !conf_is_ht40(conf))) 1402 continue; 1403 1404 nread = AR_PHY_CCA_FILTERWINDOW_LENGTH - h[i].invalidNFcount; 1405 len += snprintf(buf + len, size - len, " %d\t %d\t %d\t\t", 1406 i, h[i].privNF, nread); 1407 for (j = 0; j < nread; j++) 1408 len += snprintf(buf + len, size - len, 1409 " %d", h[i].nfCalBuffer[j]); 1410 len += snprintf(buf + len, size - len, "\n"); 1411 } 1412 1413 if (len > size) 1414 len = size; 1415 1416 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len); 1417 kfree(buf); 1418 1419 return retval; 1420 } 1421 1422 static const struct file_operations fops_dump_nfcal = { 1423 .read = read_file_dump_nfcal, 1424 .open = simple_open, 1425 .owner = THIS_MODULE, 1426 .llseek = default_llseek, 1427 }; 1428 1429 static ssize_t read_file_base_eeprom(struct file *file, char __user *user_buf, 1430 size_t count, loff_t *ppos) 1431 { 1432 struct ath_softc *sc = file->private_data; 1433 struct ath_hw *ah = sc->sc_ah; 1434 u32 len = 0, size = 1500; 1435 ssize_t retval = 0; 1436 char *buf; 1437 1438 buf = kzalloc(size, GFP_KERNEL); 1439 if (!buf) 1440 return -ENOMEM; 1441 1442 len = ah->eep_ops->dump_eeprom(ah, true, buf, len, size); 1443 1444 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len); 1445 kfree(buf); 1446 1447 return retval; 1448 } 1449 1450 static const struct file_operations fops_base_eeprom = { 1451 .read = read_file_base_eeprom, 1452 .open = simple_open, 1453 .owner = THIS_MODULE, 1454 .llseek = default_llseek, 1455 }; 1456 1457 static ssize_t read_file_modal_eeprom(struct file *file, char __user *user_buf, 1458 size_t count, loff_t *ppos) 1459 { 1460 struct ath_softc *sc = file->private_data; 1461 struct ath_hw *ah = sc->sc_ah; 1462 u32 len = 0, size = 6000; 1463 char *buf; 1464 size_t retval; 1465 1466 buf = kzalloc(size, GFP_KERNEL); 1467 if (buf == NULL) 1468 return -ENOMEM; 1469 1470 len = ah->eep_ops->dump_eeprom(ah, false, buf, len, size); 1471 1472 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len); 1473 kfree(buf); 1474 1475 return retval; 1476 } 1477 1478 static const struct file_operations fops_modal_eeprom = { 1479 .read = read_file_modal_eeprom, 1480 .open = simple_open, 1481 .owner = THIS_MODULE, 1482 .llseek = default_llseek, 1483 }; 1484 1485 #ifdef CONFIG_ATH9K_MAC_DEBUG 1486 1487 void ath9k_debug_samp_bb_mac(struct ath_softc *sc) 1488 { 1489 #define ATH_SAMP_DBG(c) (sc->debug.bb_mac_samp[sc->debug.sampidx].c) 1490 struct ath_hw *ah = sc->sc_ah; 1491 struct ath_common *common = ath9k_hw_common(ah); 1492 unsigned long flags; 1493 int i; 1494 1495 ath9k_ps_wakeup(sc); 1496 1497 spin_lock_bh(&sc->debug.samp_lock); 1498 1499 spin_lock_irqsave(&common->cc_lock, flags); 1500 ath_hw_cycle_counters_update(common); 1501 1502 ATH_SAMP_DBG(cc.cycles) = common->cc_ani.cycles; 1503 ATH_SAMP_DBG(cc.rx_busy) = common->cc_ani.rx_busy; 1504 ATH_SAMP_DBG(cc.rx_frame) = common->cc_ani.rx_frame; 1505 ATH_SAMP_DBG(cc.tx_frame) = common->cc_ani.tx_frame; 1506 spin_unlock_irqrestore(&common->cc_lock, flags); 1507 1508 ATH_SAMP_DBG(noise) = ah->noise; 1509 1510 REG_WRITE_D(ah, AR_MACMISC, 1511 ((AR_MACMISC_DMA_OBS_LINE_8 << AR_MACMISC_DMA_OBS_S) | 1512 (AR_MACMISC_MISC_OBS_BUS_1 << 1513 AR_MACMISC_MISC_OBS_BUS_MSB_S))); 1514 1515 for (i = 0; i < ATH9K_NUM_DMA_DEBUG_REGS; i++) 1516 ATH_SAMP_DBG(dma_dbg_reg_vals[i]) = REG_READ_D(ah, 1517 AR_DMADBG_0 + (i * sizeof(u32))); 1518 1519 ATH_SAMP_DBG(pcu_obs) = REG_READ_D(ah, AR_OBS_BUS_1); 1520 ATH_SAMP_DBG(pcu_cr) = REG_READ_D(ah, AR_CR); 1521 1522 memcpy(ATH_SAMP_DBG(nfCalHist), sc->caldata.nfCalHist, 1523 sizeof(ATH_SAMP_DBG(nfCalHist))); 1524 1525 sc->debug.sampidx = (sc->debug.sampidx + 1) % ATH_DBG_MAX_SAMPLES; 1526 spin_unlock_bh(&sc->debug.samp_lock); 1527 ath9k_ps_restore(sc); 1528 1529 #undef ATH_SAMP_DBG 1530 } 1531 1532 static int open_file_bb_mac_samps(struct inode *inode, struct file *file) 1533 { 1534 #define ATH_SAMP_DBG(c) bb_mac_samp[sampidx].c 1535 struct ath_softc *sc = inode->i_private; 1536 struct ath_hw *ah = sc->sc_ah; 1537 struct ath_common *common = ath9k_hw_common(ah); 1538 struct ieee80211_conf *conf = &common->hw->conf; 1539 struct ath_dbg_bb_mac_samp *bb_mac_samp; 1540 struct ath9k_nfcal_hist *h; 1541 int i, j, qcuOffset = 0, dcuOffset = 0; 1542 u32 *qcuBase, *dcuBase, size = 30000, len = 0; 1543 u32 sampidx = 0; 1544 u8 *buf; 1545 u8 chainmask = (ah->rxchainmask << 3) | ah->rxchainmask; 1546 u8 nread; 1547 1548 if (test_bit(SC_OP_INVALID, &sc->sc_flags)) 1549 return -EAGAIN; 1550 1551 buf = vmalloc(size); 1552 if (!buf) 1553 return -ENOMEM; 1554 bb_mac_samp = vmalloc(sizeof(*bb_mac_samp) * ATH_DBG_MAX_SAMPLES); 1555 if (!bb_mac_samp) { 1556 vfree(buf); 1557 return -ENOMEM; 1558 } 1559 /* Account the current state too */ 1560 ath9k_debug_samp_bb_mac(sc); 1561 1562 spin_lock_bh(&sc->debug.samp_lock); 1563 memcpy(bb_mac_samp, sc->debug.bb_mac_samp, 1564 sizeof(*bb_mac_samp) * ATH_DBG_MAX_SAMPLES); 1565 len += snprintf(buf + len, size - len, 1566 "Current Sample Index: %d\n", sc->debug.sampidx); 1567 spin_unlock_bh(&sc->debug.samp_lock); 1568 1569 len += snprintf(buf + len, size - len, 1570 "Raw DMA Debug Dump:\n"); 1571 len += snprintf(buf + len, size - len, "Sample |\t"); 1572 for (i = 0; i < ATH9K_NUM_DMA_DEBUG_REGS; i++) 1573 len += snprintf(buf + len, size - len, " DMA Reg%d |\t", i); 1574 len += snprintf(buf + len, size - len, "\n"); 1575 1576 for (sampidx = 0; sampidx < ATH_DBG_MAX_SAMPLES; sampidx++) { 1577 len += snprintf(buf + len, size - len, "%d\t", sampidx); 1578 1579 for (i = 0; i < ATH9K_NUM_DMA_DEBUG_REGS; i++) 1580 len += snprintf(buf + len, size - len, " %08x\t", 1581 ATH_SAMP_DBG(dma_dbg_reg_vals[i])); 1582 len += snprintf(buf + len, size - len, "\n"); 1583 } 1584 len += snprintf(buf + len, size - len, "\n"); 1585 1586 len += snprintf(buf + len, size - len, 1587 "Sample Num QCU: chain_st fsp_ok fsp_st DCU: chain_st\n"); 1588 for (sampidx = 0; sampidx < ATH_DBG_MAX_SAMPLES; sampidx++) { 1589 qcuBase = &ATH_SAMP_DBG(dma_dbg_reg_vals[0]); 1590 dcuBase = &ATH_SAMP_DBG(dma_dbg_reg_vals[4]); 1591 1592 for (i = 0; i < ATH9K_NUM_QUEUES; i++, 1593 qcuOffset += 4, dcuOffset += 5) { 1594 if (i == 8) { 1595 qcuOffset = 0; 1596 qcuBase++; 1597 } 1598 1599 if (i == 6) { 1600 dcuOffset = 0; 1601 dcuBase++; 1602 } 1603 if (!sc->debug.stats.txstats[i].queued) 1604 continue; 1605 1606 len += snprintf(buf + len, size - len, 1607 "%4d %7d %2x %1x %2x %2x\n", 1608 sampidx, i, 1609 (*qcuBase & (0x7 << qcuOffset)) >> qcuOffset, 1610 (*qcuBase & (0x8 << qcuOffset)) >> 1611 (qcuOffset + 3), 1612 ATH_SAMP_DBG(dma_dbg_reg_vals[2]) & 1613 (0x7 << (i * 3)) >> (i * 3), 1614 (*dcuBase & (0x1f << dcuOffset)) >> dcuOffset); 1615 } 1616 len += snprintf(buf + len, size - len, "\n"); 1617 } 1618 len += snprintf(buf + len, size - len, 1619 "samp qcu_sh qcu_fh qcu_comp dcu_comp dcu_arb dcu_fp " 1620 "ch_idle_dur ch_idle_dur_val txfifo_val0 txfifo_val1 " 1621 "txfifo_dcu0 txfifo_dcu1 pcu_obs AR_CR\n"); 1622 1623 for (sampidx = 0; sampidx < ATH_DBG_MAX_SAMPLES; sampidx++) { 1624 qcuBase = &ATH_SAMP_DBG(dma_dbg_reg_vals[0]); 1625 dcuBase = &ATH_SAMP_DBG(dma_dbg_reg_vals[4]); 1626 1627 len += snprintf(buf + len, size - len, "%4d %5x %5x ", sampidx, 1628 (ATH_SAMP_DBG(dma_dbg_reg_vals[3]) & 0x003c0000) >> 18, 1629 (ATH_SAMP_DBG(dma_dbg_reg_vals[3]) & 0x03c00000) >> 22); 1630 len += snprintf(buf + len, size - len, "%7x %8x ", 1631 (ATH_SAMP_DBG(dma_dbg_reg_vals[3]) & 0x1c000000) >> 26, 1632 (ATH_SAMP_DBG(dma_dbg_reg_vals[6]) & 0x3)); 1633 len += snprintf(buf + len, size - len, "%7x %7x ", 1634 (ATH_SAMP_DBG(dma_dbg_reg_vals[5]) & 0x06000000) >> 25, 1635 (ATH_SAMP_DBG(dma_dbg_reg_vals[5]) & 0x38000000) >> 27); 1636 len += snprintf(buf + len, size - len, "%7d %12d ", 1637 (ATH_SAMP_DBG(dma_dbg_reg_vals[6]) & 0x000003fc) >> 2, 1638 (ATH_SAMP_DBG(dma_dbg_reg_vals[6]) & 0x00000400) >> 10); 1639 len += snprintf(buf + len, size - len, "%12d %12d ", 1640 (ATH_SAMP_DBG(dma_dbg_reg_vals[6]) & 0x00000800) >> 11, 1641 (ATH_SAMP_DBG(dma_dbg_reg_vals[6]) & 0x00001000) >> 12); 1642 len += snprintf(buf + len, size - len, "%12d %12d ", 1643 (ATH_SAMP_DBG(dma_dbg_reg_vals[6]) & 0x0001e000) >> 13, 1644 (ATH_SAMP_DBG(dma_dbg_reg_vals[6]) & 0x001e0000) >> 17); 1645 len += snprintf(buf + len, size - len, "0x%07x 0x%07x\n", 1646 ATH_SAMP_DBG(pcu_obs), ATH_SAMP_DBG(pcu_cr)); 1647 } 1648 1649 len += snprintf(buf + len, size - len, 1650 "Sample ChNoise Chain privNF #Reading Readings\n"); 1651 for (sampidx = 0; sampidx < ATH_DBG_MAX_SAMPLES; sampidx++) { 1652 h = ATH_SAMP_DBG(nfCalHist); 1653 if (!ATH_SAMP_DBG(noise)) 1654 continue; 1655 1656 for (i = 0; i < NUM_NF_READINGS; i++) { 1657 if (!(chainmask & (1 << i)) || 1658 ((i >= AR5416_MAX_CHAINS) && !conf_is_ht40(conf))) 1659 continue; 1660 1661 nread = AR_PHY_CCA_FILTERWINDOW_LENGTH - 1662 h[i].invalidNFcount; 1663 len += snprintf(buf + len, size - len, 1664 "%4d %5d %4d\t %d\t %d\t", 1665 sampidx, ATH_SAMP_DBG(noise), 1666 i, h[i].privNF, nread); 1667 for (j = 0; j < nread; j++) 1668 len += snprintf(buf + len, size - len, 1669 " %d", h[i].nfCalBuffer[j]); 1670 len += snprintf(buf + len, size - len, "\n"); 1671 } 1672 } 1673 len += snprintf(buf + len, size - len, "\nCycle counters:\n" 1674 "Sample Total Rxbusy Rxframes Txframes\n"); 1675 for (sampidx = 0; sampidx < ATH_DBG_MAX_SAMPLES; sampidx++) { 1676 if (!ATH_SAMP_DBG(cc.cycles)) 1677 continue; 1678 len += snprintf(buf + len, size - len, 1679 "%4d %08x %08x %08x %08x\n", 1680 sampidx, ATH_SAMP_DBG(cc.cycles), 1681 ATH_SAMP_DBG(cc.rx_busy), 1682 ATH_SAMP_DBG(cc.rx_frame), 1683 ATH_SAMP_DBG(cc.tx_frame)); 1684 } 1685 1686 len += snprintf(buf + len, size - len, "Tx status Dump :\n"); 1687 len += snprintf(buf + len, size - len, 1688 "Sample rssi:- ctl0 ctl1 ctl2 ext0 ext1 ext2 comb " 1689 "isok rts_fail data_fail rate tid qid " 1690 "ba_low ba_high tx_before(ms)\n"); 1691 for (sampidx = 0; sampidx < ATH_DBG_MAX_SAMPLES; sampidx++) { 1692 for (i = 0; i < ATH_DBG_MAX_SAMPLES; i++) { 1693 if (!ATH_SAMP_DBG(ts[i].jiffies)) 1694 continue; 1695 len += snprintf(buf + len, size - len, "%-14d" 1696 "%-4d %-4d %-4d %-4d %-4d %-4d %-4d %-4d %-8d " 1697 "%-9d %-4d %-3d %-3d %08x %08x %-11d\n", 1698 sampidx, 1699 ATH_SAMP_DBG(ts[i].rssi_ctl0), 1700 ATH_SAMP_DBG(ts[i].rssi_ctl1), 1701 ATH_SAMP_DBG(ts[i].rssi_ctl2), 1702 ATH_SAMP_DBG(ts[i].rssi_ext0), 1703 ATH_SAMP_DBG(ts[i].rssi_ext1), 1704 ATH_SAMP_DBG(ts[i].rssi_ext2), 1705 ATH_SAMP_DBG(ts[i].rssi), 1706 ATH_SAMP_DBG(ts[i].isok), 1707 ATH_SAMP_DBG(ts[i].rts_fail_cnt), 1708 ATH_SAMP_DBG(ts[i].data_fail_cnt), 1709 ATH_SAMP_DBG(ts[i].rateindex), 1710 ATH_SAMP_DBG(ts[i].tid), 1711 ATH_SAMP_DBG(ts[i].qid), 1712 ATH_SAMP_DBG(ts[i].ba_low), 1713 ATH_SAMP_DBG(ts[i].ba_high), 1714 jiffies_to_msecs(jiffies - 1715 ATH_SAMP_DBG(ts[i].jiffies))); 1716 } 1717 } 1718 1719 len += snprintf(buf + len, size - len, "Rx status Dump :\n"); 1720 len += snprintf(buf + len, size - len, "Sample rssi:- ctl0 ctl1 ctl2 " 1721 "ext0 ext1 ext2 comb beacon ant rate rx_before(ms)\n"); 1722 for (sampidx = 0; sampidx < ATH_DBG_MAX_SAMPLES; sampidx++) { 1723 for (i = 0; i < ATH_DBG_MAX_SAMPLES; i++) { 1724 if (!ATH_SAMP_DBG(rs[i].jiffies)) 1725 continue; 1726 len += snprintf(buf + len, size - len, "%-14d" 1727 "%-4d %-4d %-4d %-4d %-4d %-4d %-4d %-9s %-2d %02x %-13d\n", 1728 sampidx, 1729 ATH_SAMP_DBG(rs[i].rssi_ctl0), 1730 ATH_SAMP_DBG(rs[i].rssi_ctl1), 1731 ATH_SAMP_DBG(rs[i].rssi_ctl2), 1732 ATH_SAMP_DBG(rs[i].rssi_ext0), 1733 ATH_SAMP_DBG(rs[i].rssi_ext1), 1734 ATH_SAMP_DBG(rs[i].rssi_ext2), 1735 ATH_SAMP_DBG(rs[i].rssi), 1736 ATH_SAMP_DBG(rs[i].is_mybeacon) ? 1737 "True" : "False", 1738 ATH_SAMP_DBG(rs[i].antenna), 1739 ATH_SAMP_DBG(rs[i].rate), 1740 jiffies_to_msecs(jiffies - 1741 ATH_SAMP_DBG(rs[i].jiffies))); 1742 } 1743 } 1744 1745 vfree(bb_mac_samp); 1746 file->private_data = buf; 1747 1748 return 0; 1749 #undef ATH_SAMP_DBG 1750 } 1751 1752 static const struct file_operations fops_samps = { 1753 .open = open_file_bb_mac_samps, 1754 .read = ath9k_debugfs_read_buf, 1755 .release = ath9k_debugfs_release_buf, 1756 .owner = THIS_MODULE, 1757 .llseek = default_llseek, 1758 }; 1759 1760 #endif 1761 1762 #ifdef CONFIG_ATH9K_BTCOEX_SUPPORT 1763 static ssize_t read_file_btcoex(struct file *file, char __user *user_buf, 1764 size_t count, loff_t *ppos) 1765 { 1766 struct ath_softc *sc = file->private_data; 1767 u32 len = 0, size = 1500; 1768 char *buf; 1769 size_t retval; 1770 1771 buf = kzalloc(size, GFP_KERNEL); 1772 if (buf == NULL) 1773 return -ENOMEM; 1774 1775 if (!sc->sc_ah->common.btcoex_enabled) { 1776 len = snprintf(buf, size, "%s\n", 1777 "BTCOEX is disabled"); 1778 goto exit; 1779 } 1780 1781 len = ath9k_dump_btcoex(sc, buf, size); 1782 exit: 1783 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len); 1784 kfree(buf); 1785 1786 return retval; 1787 } 1788 1789 static const struct file_operations fops_btcoex = { 1790 .read = read_file_btcoex, 1791 .open = simple_open, 1792 .owner = THIS_MODULE, 1793 .llseek = default_llseek, 1794 }; 1795 #endif 1796 1797 static ssize_t read_file_node_stat(struct file *file, char __user *user_buf, 1798 size_t count, loff_t *ppos) 1799 { 1800 struct ath_node *an = file->private_data; 1801 struct ath_softc *sc = an->sc; 1802 struct ath_atx_tid *tid; 1803 struct ath_atx_ac *ac; 1804 struct ath_txq *txq; 1805 u32 len = 0, size = 4096; 1806 char *buf; 1807 size_t retval; 1808 int tidno, acno; 1809 1810 buf = kzalloc(size, GFP_KERNEL); 1811 if (buf == NULL) 1812 return -ENOMEM; 1813 1814 if (!an->sta->ht_cap.ht_supported) { 1815 len = snprintf(buf, size, "%s\n", 1816 "HT not supported"); 1817 goto exit; 1818 } 1819 1820 len = snprintf(buf, size, "Max-AMPDU: %d\n", 1821 an->maxampdu); 1822 len += snprintf(buf + len, size - len, "MPDU Density: %d\n\n", 1823 an->mpdudensity); 1824 1825 len += snprintf(buf + len, size - len, 1826 "%2s%7s\n", "AC", "SCHED"); 1827 1828 for (acno = 0, ac = &an->ac[acno]; 1829 acno < IEEE80211_NUM_ACS; acno++, ac++) { 1830 txq = ac->txq; 1831 ath_txq_lock(sc, txq); 1832 len += snprintf(buf + len, size - len, 1833 "%2d%7d\n", 1834 acno, ac->sched); 1835 ath_txq_unlock(sc, txq); 1836 } 1837 1838 len += snprintf(buf + len, size - len, 1839 "\n%3s%11s%10s%10s%10s%10s%9s%6s%8s\n", 1840 "TID", "SEQ_START", "SEQ_NEXT", "BAW_SIZE", 1841 "BAW_HEAD", "BAW_TAIL", "BAR_IDX", "SCHED", "PAUSED"); 1842 1843 for (tidno = 0, tid = &an->tid[tidno]; 1844 tidno < IEEE80211_NUM_TIDS; tidno++, tid++) { 1845 txq = tid->ac->txq; 1846 ath_txq_lock(sc, txq); 1847 len += snprintf(buf + len, size - len, 1848 "%3d%11d%10d%10d%10d%10d%9d%6d%8d\n", 1849 tid->tidno, tid->seq_start, tid->seq_next, 1850 tid->baw_size, tid->baw_head, tid->baw_tail, 1851 tid->bar_index, tid->sched, tid->paused); 1852 ath_txq_unlock(sc, txq); 1853 } 1854 exit: 1855 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len); 1856 kfree(buf); 1857 1858 return retval; 1859 } 1860 1861 static const struct file_operations fops_node_stat = { 1862 .read = read_file_node_stat, 1863 .open = simple_open, 1864 .owner = THIS_MODULE, 1865 .llseek = default_llseek, 1866 }; 1867 1868 void ath9k_sta_add_debugfs(struct ieee80211_hw *hw, 1869 struct ieee80211_vif *vif, 1870 struct ieee80211_sta *sta, 1871 struct dentry *dir) 1872 { 1873 struct ath_node *an = (struct ath_node *)sta->drv_priv; 1874 an->node_stat = debugfs_create_file("node_stat", S_IRUGO, 1875 dir, an, &fops_node_stat); 1876 } 1877 1878 void ath9k_sta_remove_debugfs(struct ieee80211_hw *hw, 1879 struct ieee80211_vif *vif, 1880 struct ieee80211_sta *sta, 1881 struct dentry *dir) 1882 { 1883 struct ath_node *an = (struct ath_node *)sta->drv_priv; 1884 debugfs_remove(an->node_stat); 1885 } 1886 1887 /* Ethtool support for get-stats */ 1888 1889 #define AMKSTR(nm) #nm "_BE", #nm "_BK", #nm "_VI", #nm "_VO" 1890 static const char ath9k_gstrings_stats[][ETH_GSTRING_LEN] = { 1891 "tx_pkts_nic", 1892 "tx_bytes_nic", 1893 "rx_pkts_nic", 1894 "rx_bytes_nic", 1895 AMKSTR(d_tx_pkts), 1896 AMKSTR(d_tx_bytes), 1897 AMKSTR(d_tx_mpdus_queued), 1898 AMKSTR(d_tx_mpdus_completed), 1899 AMKSTR(d_tx_mpdu_xretries), 1900 AMKSTR(d_tx_aggregates), 1901 AMKSTR(d_tx_ampdus_queued_hw), 1902 AMKSTR(d_tx_ampdus_queued_sw), 1903 AMKSTR(d_tx_ampdus_completed), 1904 AMKSTR(d_tx_ampdu_retries), 1905 AMKSTR(d_tx_ampdu_xretries), 1906 AMKSTR(d_tx_fifo_underrun), 1907 AMKSTR(d_tx_op_exceeded), 1908 AMKSTR(d_tx_timer_expiry), 1909 AMKSTR(d_tx_desc_cfg_err), 1910 AMKSTR(d_tx_data_underrun), 1911 AMKSTR(d_tx_delim_underrun), 1912 "d_rx_decrypt_crc_err", 1913 "d_rx_phy_err", 1914 "d_rx_mic_err", 1915 "d_rx_pre_delim_crc_err", 1916 "d_rx_post_delim_crc_err", 1917 "d_rx_decrypt_busy_err", 1918 1919 "d_rx_phyerr_radar", 1920 "d_rx_phyerr_ofdm_timing", 1921 "d_rx_phyerr_cck_timing", 1922 1923 }; 1924 #define ATH9K_SSTATS_LEN ARRAY_SIZE(ath9k_gstrings_stats) 1925 1926 void ath9k_get_et_strings(struct ieee80211_hw *hw, 1927 struct ieee80211_vif *vif, 1928 u32 sset, u8 *data) 1929 { 1930 if (sset == ETH_SS_STATS) 1931 memcpy(data, *ath9k_gstrings_stats, 1932 sizeof(ath9k_gstrings_stats)); 1933 } 1934 1935 int ath9k_get_et_sset_count(struct ieee80211_hw *hw, 1936 struct ieee80211_vif *vif, int sset) 1937 { 1938 if (sset == ETH_SS_STATS) 1939 return ATH9K_SSTATS_LEN; 1940 return 0; 1941 } 1942 1943 #define AWDATA(elem) \ 1944 do { \ 1945 data[i++] = sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BE)].elem; \ 1946 data[i++] = sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BK)].elem; \ 1947 data[i++] = sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_VI)].elem; \ 1948 data[i++] = sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_VO)].elem; \ 1949 } while (0) 1950 1951 #define AWDATA_RX(elem) \ 1952 do { \ 1953 data[i++] = sc->debug.stats.rxstats.elem; \ 1954 } while (0) 1955 1956 void ath9k_get_et_stats(struct ieee80211_hw *hw, 1957 struct ieee80211_vif *vif, 1958 struct ethtool_stats *stats, u64 *data) 1959 { 1960 struct ath_softc *sc = hw->priv; 1961 int i = 0; 1962 1963 data[i++] = (sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BE)].tx_pkts_all + 1964 sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BK)].tx_pkts_all + 1965 sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_VI)].tx_pkts_all + 1966 sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_VO)].tx_pkts_all); 1967 data[i++] = (sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BE)].tx_bytes_all + 1968 sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BK)].tx_bytes_all + 1969 sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_VI)].tx_bytes_all + 1970 sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_VO)].tx_bytes_all); 1971 AWDATA_RX(rx_pkts_all); 1972 AWDATA_RX(rx_bytes_all); 1973 1974 AWDATA(tx_pkts_all); 1975 AWDATA(tx_bytes_all); 1976 AWDATA(queued); 1977 AWDATA(completed); 1978 AWDATA(xretries); 1979 AWDATA(a_aggr); 1980 AWDATA(a_queued_hw); 1981 AWDATA(a_queued_sw); 1982 AWDATA(a_completed); 1983 AWDATA(a_retries); 1984 AWDATA(a_xretries); 1985 AWDATA(fifo_underrun); 1986 AWDATA(xtxop); 1987 AWDATA(timer_exp); 1988 AWDATA(desc_cfg_err); 1989 AWDATA(data_underrun); 1990 AWDATA(delim_underrun); 1991 1992 AWDATA_RX(decrypt_crc_err); 1993 AWDATA_RX(phy_err); 1994 AWDATA_RX(mic_err); 1995 AWDATA_RX(pre_delim_crc_err); 1996 AWDATA_RX(post_delim_crc_err); 1997 AWDATA_RX(decrypt_busy_err); 1998 1999 AWDATA_RX(phy_err_stats[ATH9K_PHYERR_RADAR]); 2000 AWDATA_RX(phy_err_stats[ATH9K_PHYERR_OFDM_TIMING]); 2001 AWDATA_RX(phy_err_stats[ATH9K_PHYERR_CCK_TIMING]); 2002 2003 WARN_ON(i != ATH9K_SSTATS_LEN); 2004 } 2005 2006 int ath9k_init_debug(struct ath_hw *ah) 2007 { 2008 struct ath_common *common = ath9k_hw_common(ah); 2009 struct ath_softc *sc = (struct ath_softc *) common->priv; 2010 2011 sc->debug.debugfs_phy = debugfs_create_dir("ath9k", 2012 sc->hw->wiphy->debugfsdir); 2013 if (!sc->debug.debugfs_phy) 2014 return -ENOMEM; 2015 2016 #ifdef CONFIG_ATH_DEBUG 2017 debugfs_create_file("debug", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy, 2018 sc, &fops_debug); 2019 #endif 2020 2021 ath9k_dfs_init_debug(sc); 2022 2023 debugfs_create_file("dma", S_IRUSR, sc->debug.debugfs_phy, sc, 2024 &fops_dma); 2025 debugfs_create_file("interrupt", S_IRUSR, sc->debug.debugfs_phy, sc, 2026 &fops_interrupt); 2027 debugfs_create_file("xmit", S_IRUSR, sc->debug.debugfs_phy, sc, 2028 &fops_xmit); 2029 debugfs_create_file("queues", S_IRUSR, sc->debug.debugfs_phy, sc, 2030 &fops_queues); 2031 debugfs_create_u32("qlen_bk", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy, 2032 &sc->tx.txq_max_pending[IEEE80211_AC_BK]); 2033 debugfs_create_u32("qlen_be", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy, 2034 &sc->tx.txq_max_pending[IEEE80211_AC_BE]); 2035 debugfs_create_u32("qlen_vi", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy, 2036 &sc->tx.txq_max_pending[IEEE80211_AC_VI]); 2037 debugfs_create_u32("qlen_vo", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy, 2038 &sc->tx.txq_max_pending[IEEE80211_AC_VO]); 2039 debugfs_create_file("misc", S_IRUSR, sc->debug.debugfs_phy, sc, 2040 &fops_misc); 2041 debugfs_create_file("reset", S_IRUSR, sc->debug.debugfs_phy, sc, 2042 &fops_reset); 2043 debugfs_create_file("recv", S_IRUSR, sc->debug.debugfs_phy, sc, 2044 &fops_recv); 2045 debugfs_create_file("rx_chainmask", S_IRUSR | S_IWUSR, 2046 sc->debug.debugfs_phy, sc, &fops_rx_chainmask); 2047 debugfs_create_file("tx_chainmask", S_IRUSR | S_IWUSR, 2048 sc->debug.debugfs_phy, sc, &fops_tx_chainmask); 2049 debugfs_create_file("disable_ani", S_IRUSR | S_IWUSR, 2050 sc->debug.debugfs_phy, sc, &fops_disable_ani); 2051 debugfs_create_bool("paprd", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy, 2052 &sc->sc_ah->config.enable_paprd); 2053 debugfs_create_file("regidx", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy, 2054 sc, &fops_regidx); 2055 debugfs_create_file("regval", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy, 2056 sc, &fops_regval); 2057 debugfs_create_bool("ignore_extcca", S_IRUSR | S_IWUSR, 2058 sc->debug.debugfs_phy, 2059 &ah->config.cwm_ignore_extcca); 2060 debugfs_create_file("regdump", S_IRUSR, sc->debug.debugfs_phy, sc, 2061 &fops_regdump); 2062 debugfs_create_file("dump_nfcal", S_IRUSR, sc->debug.debugfs_phy, sc, 2063 &fops_dump_nfcal); 2064 debugfs_create_file("base_eeprom", S_IRUSR, sc->debug.debugfs_phy, sc, 2065 &fops_base_eeprom); 2066 debugfs_create_file("modal_eeprom", S_IRUSR, sc->debug.debugfs_phy, sc, 2067 &fops_modal_eeprom); 2068 sc->rfs_chan_spec_scan = relay_open("spectral_scan", 2069 sc->debug.debugfs_phy, 2070 262144, 4, &rfs_spec_scan_cb, 2071 NULL); 2072 debugfs_create_file("spectral_scan_ctl", S_IRUSR | S_IWUSR, 2073 sc->debug.debugfs_phy, sc, 2074 &fops_spec_scan_ctl); 2075 debugfs_create_file("spectral_short_repeat", S_IRUSR | S_IWUSR, 2076 sc->debug.debugfs_phy, sc, 2077 &fops_spectral_short_repeat); 2078 debugfs_create_file("spectral_count", S_IRUSR | S_IWUSR, 2079 sc->debug.debugfs_phy, sc, &fops_spectral_count); 2080 debugfs_create_file("spectral_period", S_IRUSR | S_IWUSR, 2081 sc->debug.debugfs_phy, sc, &fops_spectral_period); 2082 debugfs_create_file("spectral_fft_period", S_IRUSR | S_IWUSR, 2083 sc->debug.debugfs_phy, sc, 2084 &fops_spectral_fft_period); 2085 2086 #ifdef CONFIG_ATH9K_MAC_DEBUG 2087 debugfs_create_file("samples", S_IRUSR, sc->debug.debugfs_phy, sc, 2088 &fops_samps); 2089 #endif 2090 debugfs_create_u32("gpio_mask", S_IRUSR | S_IWUSR, 2091 sc->debug.debugfs_phy, &sc->sc_ah->gpio_mask); 2092 debugfs_create_u32("gpio_val", S_IRUSR | S_IWUSR, 2093 sc->debug.debugfs_phy, &sc->sc_ah->gpio_val); 2094 debugfs_create_file("diversity", S_IRUSR | S_IWUSR, 2095 sc->debug.debugfs_phy, sc, &fops_ant_diversity); 2096 #ifdef CONFIG_ATH9K_BTCOEX_SUPPORT 2097 debugfs_create_file("btcoex", S_IRUSR, sc->debug.debugfs_phy, sc, 2098 &fops_btcoex); 2099 #endif 2100 return 0; 2101 } 2102