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("TXERR Filtered: ", txerr_filtered); 541 PR("FIFO Underrun: ", fifo_underrun); 542 PR("TXOP Exceeded: ", xtxop); 543 PR("TXTIMER Expiry: ", timer_exp); 544 PR("DESC CFG Error: ", desc_cfg_err); 545 PR("DATA Underrun: ", data_underrun); 546 PR("DELIM Underrun: ", delim_underrun); 547 PR("TX-Pkts-All: ", tx_pkts_all); 548 PR("TX-Bytes-All: ", tx_bytes_all); 549 PR("HW-put-tx-buf: ", puttxbuf); 550 PR("HW-tx-start: ", txstart); 551 PR("HW-tx-proc-desc: ", txprocdesc); 552 PR("TX-Failed: ", txfailed); 553 554 if (len > size) 555 len = size; 556 557 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len); 558 kfree(buf); 559 560 return retval; 561 } 562 563 static ssize_t read_file_queues(struct file *file, char __user *user_buf, 564 size_t count, loff_t *ppos) 565 { 566 struct ath_softc *sc = file->private_data; 567 struct ath_txq *txq; 568 char *buf; 569 unsigned int len = 0, size = 1024; 570 ssize_t retval = 0; 571 int i; 572 char *qname[4] = {"VO", "VI", "BE", "BK"}; 573 574 buf = kzalloc(size, GFP_KERNEL); 575 if (buf == NULL) 576 return -ENOMEM; 577 578 for (i = 0; i < IEEE80211_NUM_ACS; i++) { 579 txq = sc->tx.txq_map[i]; 580 len += snprintf(buf + len, size - len, "(%s): ", qname[i]); 581 582 ath_txq_lock(sc, txq); 583 584 len += snprintf(buf + len, size - len, "%s: %d ", 585 "qnum", txq->axq_qnum); 586 len += snprintf(buf + len, size - len, "%s: %2d ", 587 "qdepth", txq->axq_depth); 588 len += snprintf(buf + len, size - len, "%s: %2d ", 589 "ampdu-depth", txq->axq_ampdu_depth); 590 len += snprintf(buf + len, size - len, "%s: %3d ", 591 "pending", txq->pending_frames); 592 len += snprintf(buf + len, size - len, "%s: %d\n", 593 "stopped", txq->stopped); 594 595 ath_txq_unlock(sc, txq); 596 } 597 598 if (len > size) 599 len = size; 600 601 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len); 602 kfree(buf); 603 604 return retval; 605 } 606 607 static ssize_t read_file_misc(struct file *file, char __user *user_buf, 608 size_t count, loff_t *ppos) 609 { 610 struct ath_softc *sc = file->private_data; 611 struct ath_common *common = ath9k_hw_common(sc->sc_ah); 612 struct ieee80211_hw *hw = sc->hw; 613 struct ath9k_vif_iter_data iter_data; 614 char buf[512]; 615 unsigned int len = 0; 616 ssize_t retval = 0; 617 unsigned int reg; 618 u32 rxfilter; 619 620 len += snprintf(buf + len, sizeof(buf) - len, 621 "BSSID: %pM\n", common->curbssid); 622 len += snprintf(buf + len, sizeof(buf) - len, 623 "BSSID-MASK: %pM\n", common->bssidmask); 624 len += snprintf(buf + len, sizeof(buf) - len, 625 "OPMODE: %s\n", ath_opmode_to_string(sc->sc_ah->opmode)); 626 627 ath9k_ps_wakeup(sc); 628 rxfilter = ath9k_hw_getrxfilter(sc->sc_ah); 629 ath9k_ps_restore(sc); 630 631 len += snprintf(buf + len, sizeof(buf) - len, 632 "RXFILTER: 0x%x", rxfilter); 633 634 if (rxfilter & ATH9K_RX_FILTER_UCAST) 635 len += snprintf(buf + len, sizeof(buf) - len, " UCAST"); 636 if (rxfilter & ATH9K_RX_FILTER_MCAST) 637 len += snprintf(buf + len, sizeof(buf) - len, " MCAST"); 638 if (rxfilter & ATH9K_RX_FILTER_BCAST) 639 len += snprintf(buf + len, sizeof(buf) - len, " BCAST"); 640 if (rxfilter & ATH9K_RX_FILTER_CONTROL) 641 len += snprintf(buf + len, sizeof(buf) - len, " CONTROL"); 642 if (rxfilter & ATH9K_RX_FILTER_BEACON) 643 len += snprintf(buf + len, sizeof(buf) - len, " BEACON"); 644 if (rxfilter & ATH9K_RX_FILTER_PROM) 645 len += snprintf(buf + len, sizeof(buf) - len, " PROM"); 646 if (rxfilter & ATH9K_RX_FILTER_PROBEREQ) 647 len += snprintf(buf + len, sizeof(buf) - len, " PROBEREQ"); 648 if (rxfilter & ATH9K_RX_FILTER_PHYERR) 649 len += snprintf(buf + len, sizeof(buf) - len, " PHYERR"); 650 if (rxfilter & ATH9K_RX_FILTER_MYBEACON) 651 len += snprintf(buf + len, sizeof(buf) - len, " MYBEACON"); 652 if (rxfilter & ATH9K_RX_FILTER_COMP_BAR) 653 len += snprintf(buf + len, sizeof(buf) - len, " COMP_BAR"); 654 if (rxfilter & ATH9K_RX_FILTER_PSPOLL) 655 len += snprintf(buf + len, sizeof(buf) - len, " PSPOLL"); 656 if (rxfilter & ATH9K_RX_FILTER_PHYRADAR) 657 len += snprintf(buf + len, sizeof(buf) - len, " PHYRADAR"); 658 if (rxfilter & ATH9K_RX_FILTER_MCAST_BCAST_ALL) 659 len += snprintf(buf + len, sizeof(buf) - len, " MCAST_BCAST_ALL"); 660 if (rxfilter & ATH9K_RX_FILTER_CONTROL_WRAPPER) 661 len += snprintf(buf + len, sizeof(buf) - len, " CONTROL_WRAPPER"); 662 663 len += snprintf(buf + len, sizeof(buf) - len, "\n"); 664 665 reg = sc->sc_ah->imask; 666 667 len += snprintf(buf + len, sizeof(buf) - len, "INTERRUPT-MASK: 0x%x", reg); 668 669 if (reg & ATH9K_INT_SWBA) 670 len += snprintf(buf + len, sizeof(buf) - len, " SWBA"); 671 if (reg & ATH9K_INT_BMISS) 672 len += snprintf(buf + len, sizeof(buf) - len, " BMISS"); 673 if (reg & ATH9K_INT_CST) 674 len += snprintf(buf + len, sizeof(buf) - len, " CST"); 675 if (reg & ATH9K_INT_RX) 676 len += snprintf(buf + len, sizeof(buf) - len, " RX"); 677 if (reg & ATH9K_INT_RXHP) 678 len += snprintf(buf + len, sizeof(buf) - len, " RXHP"); 679 if (reg & ATH9K_INT_RXLP) 680 len += snprintf(buf + len, sizeof(buf) - len, " RXLP"); 681 if (reg & ATH9K_INT_BB_WATCHDOG) 682 len += snprintf(buf + len, sizeof(buf) - len, " BB_WATCHDOG"); 683 684 len += snprintf(buf + len, sizeof(buf) - len, "\n"); 685 686 ath9k_calculate_iter_data(hw, NULL, &iter_data); 687 688 len += snprintf(buf + len, sizeof(buf) - len, 689 "VIF-COUNTS: AP: %i STA: %i MESH: %i WDS: %i" 690 " ADHOC: %i TOTAL: %hi BEACON-VIF: %hi\n", 691 iter_data.naps, iter_data.nstations, iter_data.nmeshes, 692 iter_data.nwds, iter_data.nadhocs, 693 sc->nvifs, sc->nbcnvifs); 694 695 if (len > sizeof(buf)) 696 len = sizeof(buf); 697 698 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len); 699 return retval; 700 } 701 702 static ssize_t read_file_reset(struct file *file, char __user *user_buf, 703 size_t count, loff_t *ppos) 704 { 705 struct ath_softc *sc = file->private_data; 706 char buf[512]; 707 unsigned int len = 0; 708 709 len += snprintf(buf + len, sizeof(buf) - len, 710 "%17s: %2d\n", "Baseband Hang", 711 sc->debug.stats.reset[RESET_TYPE_BB_HANG]); 712 len += snprintf(buf + len, sizeof(buf) - len, 713 "%17s: %2d\n", "Baseband Watchdog", 714 sc->debug.stats.reset[RESET_TYPE_BB_WATCHDOG]); 715 len += snprintf(buf + len, sizeof(buf) - len, 716 "%17s: %2d\n", "Fatal HW Error", 717 sc->debug.stats.reset[RESET_TYPE_FATAL_INT]); 718 len += snprintf(buf + len, sizeof(buf) - len, 719 "%17s: %2d\n", "TX HW error", 720 sc->debug.stats.reset[RESET_TYPE_TX_ERROR]); 721 len += snprintf(buf + len, sizeof(buf) - len, 722 "%17s: %2d\n", "TX Path Hang", 723 sc->debug.stats.reset[RESET_TYPE_TX_HANG]); 724 len += snprintf(buf + len, sizeof(buf) - len, 725 "%17s: %2d\n", "PLL RX Hang", 726 sc->debug.stats.reset[RESET_TYPE_PLL_HANG]); 727 len += snprintf(buf + len, sizeof(buf) - len, 728 "%17s: %2d\n", "MCI Reset", 729 sc->debug.stats.reset[RESET_TYPE_MCI]); 730 731 if (len > sizeof(buf)) 732 len = sizeof(buf); 733 734 return simple_read_from_buffer(user_buf, count, ppos, buf, len); 735 } 736 737 void ath_debug_stat_tx(struct ath_softc *sc, struct ath_buf *bf, 738 struct ath_tx_status *ts, struct ath_txq *txq, 739 unsigned int flags) 740 { 741 #define TX_SAMP_DBG(c) (sc->debug.bb_mac_samp[sc->debug.sampidx].ts\ 742 [sc->debug.tsidx].c) 743 int qnum = txq->axq_qnum; 744 745 TX_STAT_INC(qnum, tx_pkts_all); 746 sc->debug.stats.txstats[qnum].tx_bytes_all += bf->bf_mpdu->len; 747 748 if (bf_isampdu(bf)) { 749 if (flags & ATH_TX_ERROR) 750 TX_STAT_INC(qnum, a_xretries); 751 else 752 TX_STAT_INC(qnum, a_completed); 753 } else { 754 if (ts->ts_status & ATH9K_TXERR_XRETRY) 755 TX_STAT_INC(qnum, xretries); 756 else 757 TX_STAT_INC(qnum, completed); 758 } 759 760 if (ts->ts_status & ATH9K_TXERR_FILT) 761 TX_STAT_INC(qnum, txerr_filtered); 762 if (ts->ts_status & ATH9K_TXERR_FIFO) 763 TX_STAT_INC(qnum, fifo_underrun); 764 if (ts->ts_status & ATH9K_TXERR_XTXOP) 765 TX_STAT_INC(qnum, xtxop); 766 if (ts->ts_status & ATH9K_TXERR_TIMER_EXPIRED) 767 TX_STAT_INC(qnum, timer_exp); 768 if (ts->ts_flags & ATH9K_TX_DESC_CFG_ERR) 769 TX_STAT_INC(qnum, desc_cfg_err); 770 if (ts->ts_flags & ATH9K_TX_DATA_UNDERRUN) 771 TX_STAT_INC(qnum, data_underrun); 772 if (ts->ts_flags & ATH9K_TX_DELIM_UNDERRUN) 773 TX_STAT_INC(qnum, delim_underrun); 774 775 #ifdef CONFIG_ATH9K_MAC_DEBUG 776 spin_lock(&sc->debug.samp_lock); 777 TX_SAMP_DBG(jiffies) = jiffies; 778 TX_SAMP_DBG(rssi_ctl0) = ts->ts_rssi_ctl0; 779 TX_SAMP_DBG(rssi_ctl1) = ts->ts_rssi_ctl1; 780 TX_SAMP_DBG(rssi_ctl2) = ts->ts_rssi_ctl2; 781 TX_SAMP_DBG(rssi_ext0) = ts->ts_rssi_ext0; 782 TX_SAMP_DBG(rssi_ext1) = ts->ts_rssi_ext1; 783 TX_SAMP_DBG(rssi_ext2) = ts->ts_rssi_ext2; 784 TX_SAMP_DBG(rateindex) = ts->ts_rateindex; 785 TX_SAMP_DBG(isok) = !!(ts->ts_status & ATH9K_TXERR_MASK); 786 TX_SAMP_DBG(rts_fail_cnt) = ts->ts_shortretry; 787 TX_SAMP_DBG(data_fail_cnt) = ts->ts_longretry; 788 TX_SAMP_DBG(rssi) = ts->ts_rssi; 789 TX_SAMP_DBG(tid) = ts->tid; 790 TX_SAMP_DBG(qid) = ts->qid; 791 792 if (ts->ts_flags & ATH9K_TX_BA) { 793 TX_SAMP_DBG(ba_low) = ts->ba_low; 794 TX_SAMP_DBG(ba_high) = ts->ba_high; 795 } else { 796 TX_SAMP_DBG(ba_low) = 0; 797 TX_SAMP_DBG(ba_high) = 0; 798 } 799 800 sc->debug.tsidx = (sc->debug.tsidx + 1) % ATH_DBG_MAX_SAMPLES; 801 spin_unlock(&sc->debug.samp_lock); 802 #endif 803 804 #undef TX_SAMP_DBG 805 } 806 807 static const struct file_operations fops_xmit = { 808 .read = read_file_xmit, 809 .open = simple_open, 810 .owner = THIS_MODULE, 811 .llseek = default_llseek, 812 }; 813 814 static const struct file_operations fops_queues = { 815 .read = read_file_queues, 816 .open = simple_open, 817 .owner = THIS_MODULE, 818 .llseek = default_llseek, 819 }; 820 821 static const struct file_operations fops_misc = { 822 .read = read_file_misc, 823 .open = simple_open, 824 .owner = THIS_MODULE, 825 .llseek = default_llseek, 826 }; 827 828 static const struct file_operations fops_reset = { 829 .read = read_file_reset, 830 .open = simple_open, 831 .owner = THIS_MODULE, 832 .llseek = default_llseek, 833 }; 834 835 static ssize_t read_file_recv(struct file *file, char __user *user_buf, 836 size_t count, loff_t *ppos) 837 { 838 #define PHY_ERR(s, p) \ 839 len += snprintf(buf + len, size - len, "%22s : %10u\n", s, \ 840 sc->debug.stats.rxstats.phy_err_stats[p]); 841 842 #define RXS_ERR(s, e) \ 843 do { \ 844 len += snprintf(buf + len, size - len, \ 845 "%22s : %10u\n", s, \ 846 sc->debug.stats.rxstats.e); \ 847 } while (0) 848 849 struct ath_softc *sc = file->private_data; 850 char *buf; 851 unsigned int len = 0, size = 1600; 852 ssize_t retval = 0; 853 854 buf = kzalloc(size, GFP_KERNEL); 855 if (buf == NULL) 856 return -ENOMEM; 857 858 RXS_ERR("CRC ERR", crc_err); 859 RXS_ERR("DECRYPT CRC ERR", decrypt_crc_err); 860 RXS_ERR("PHY ERR", phy_err); 861 RXS_ERR("MIC ERR", mic_err); 862 RXS_ERR("PRE-DELIM CRC ERR", pre_delim_crc_err); 863 RXS_ERR("POST-DELIM CRC ERR", post_delim_crc_err); 864 RXS_ERR("DECRYPT BUSY ERR", decrypt_busy_err); 865 RXS_ERR("RX-LENGTH-ERR", rx_len_err); 866 RXS_ERR("RX-OOM-ERR", rx_oom_err); 867 RXS_ERR("RX-RATE-ERR", rx_rate_err); 868 RXS_ERR("RX-TOO-MANY-FRAGS", rx_too_many_frags_err); 869 870 PHY_ERR("UNDERRUN ERR", ATH9K_PHYERR_UNDERRUN); 871 PHY_ERR("TIMING ERR", ATH9K_PHYERR_TIMING); 872 PHY_ERR("PARITY ERR", ATH9K_PHYERR_PARITY); 873 PHY_ERR("RATE ERR", ATH9K_PHYERR_RATE); 874 PHY_ERR("LENGTH ERR", ATH9K_PHYERR_LENGTH); 875 PHY_ERR("RADAR ERR", ATH9K_PHYERR_RADAR); 876 PHY_ERR("SERVICE ERR", ATH9K_PHYERR_SERVICE); 877 PHY_ERR("TOR ERR", ATH9K_PHYERR_TOR); 878 PHY_ERR("OFDM-TIMING ERR", ATH9K_PHYERR_OFDM_TIMING); 879 PHY_ERR("OFDM-SIGNAL-PARITY ERR", ATH9K_PHYERR_OFDM_SIGNAL_PARITY); 880 PHY_ERR("OFDM-RATE ERR", ATH9K_PHYERR_OFDM_RATE_ILLEGAL); 881 PHY_ERR("OFDM-LENGTH ERR", ATH9K_PHYERR_OFDM_LENGTH_ILLEGAL); 882 PHY_ERR("OFDM-POWER-DROP ERR", ATH9K_PHYERR_OFDM_POWER_DROP); 883 PHY_ERR("OFDM-SERVICE ERR", ATH9K_PHYERR_OFDM_SERVICE); 884 PHY_ERR("OFDM-RESTART ERR", ATH9K_PHYERR_OFDM_RESTART); 885 PHY_ERR("FALSE-RADAR-EXT ERR", ATH9K_PHYERR_FALSE_RADAR_EXT); 886 PHY_ERR("CCK-TIMING ERR", ATH9K_PHYERR_CCK_TIMING); 887 PHY_ERR("CCK-HEADER-CRC ERR", ATH9K_PHYERR_CCK_HEADER_CRC); 888 PHY_ERR("CCK-RATE ERR", ATH9K_PHYERR_CCK_RATE_ILLEGAL); 889 PHY_ERR("CCK-SERVICE ERR", ATH9K_PHYERR_CCK_SERVICE); 890 PHY_ERR("CCK-RESTART ERR", ATH9K_PHYERR_CCK_RESTART); 891 PHY_ERR("CCK-LENGTH ERR", ATH9K_PHYERR_CCK_LENGTH_ILLEGAL); 892 PHY_ERR("CCK-POWER-DROP ERR", ATH9K_PHYERR_CCK_POWER_DROP); 893 PHY_ERR("HT-CRC ERR", ATH9K_PHYERR_HT_CRC_ERROR); 894 PHY_ERR("HT-LENGTH ERR", ATH9K_PHYERR_HT_LENGTH_ILLEGAL); 895 PHY_ERR("HT-RATE ERR", ATH9K_PHYERR_HT_RATE_ILLEGAL); 896 897 RXS_ERR("RX-Pkts-All", rx_pkts_all); 898 RXS_ERR("RX-Bytes-All", rx_bytes_all); 899 RXS_ERR("RX-Beacons", rx_beacons); 900 RXS_ERR("RX-Frags", rx_frags); 901 RXS_ERR("RX-Spectral", rx_spectral); 902 903 if (len > size) 904 len = size; 905 906 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len); 907 kfree(buf); 908 909 return retval; 910 911 #undef RXS_ERR 912 #undef PHY_ERR 913 } 914 915 void ath_debug_stat_rx(struct ath_softc *sc, struct ath_rx_status *rs) 916 { 917 #define RX_PHY_ERR_INC(c) sc->debug.stats.rxstats.phy_err_stats[c]++ 918 #define RX_SAMP_DBG(c) (sc->debug.bb_mac_samp[sc->debug.sampidx].rs\ 919 [sc->debug.rsidx].c) 920 921 RX_STAT_INC(rx_pkts_all); 922 sc->debug.stats.rxstats.rx_bytes_all += rs->rs_datalen; 923 924 if (rs->rs_status & ATH9K_RXERR_CRC) 925 RX_STAT_INC(crc_err); 926 if (rs->rs_status & ATH9K_RXERR_DECRYPT) 927 RX_STAT_INC(decrypt_crc_err); 928 if (rs->rs_status & ATH9K_RXERR_MIC) 929 RX_STAT_INC(mic_err); 930 if (rs->rs_status & ATH9K_RX_DELIM_CRC_PRE) 931 RX_STAT_INC(pre_delim_crc_err); 932 if (rs->rs_status & ATH9K_RX_DELIM_CRC_POST) 933 RX_STAT_INC(post_delim_crc_err); 934 if (rs->rs_status & ATH9K_RX_DECRYPT_BUSY) 935 RX_STAT_INC(decrypt_busy_err); 936 937 if (rs->rs_status & ATH9K_RXERR_PHY) { 938 RX_STAT_INC(phy_err); 939 if (rs->rs_phyerr < ATH9K_PHYERR_MAX) 940 RX_PHY_ERR_INC(rs->rs_phyerr); 941 } 942 943 #ifdef CONFIG_ATH9K_MAC_DEBUG 944 spin_lock(&sc->debug.samp_lock); 945 RX_SAMP_DBG(jiffies) = jiffies; 946 RX_SAMP_DBG(rssi_ctl0) = rs->rs_rssi_ctl0; 947 RX_SAMP_DBG(rssi_ctl1) = rs->rs_rssi_ctl1; 948 RX_SAMP_DBG(rssi_ctl2) = rs->rs_rssi_ctl2; 949 RX_SAMP_DBG(rssi_ext0) = rs->rs_rssi_ext0; 950 RX_SAMP_DBG(rssi_ext1) = rs->rs_rssi_ext1; 951 RX_SAMP_DBG(rssi_ext2) = rs->rs_rssi_ext2; 952 RX_SAMP_DBG(antenna) = rs->rs_antenna; 953 RX_SAMP_DBG(rssi) = rs->rs_rssi; 954 RX_SAMP_DBG(rate) = rs->rs_rate; 955 RX_SAMP_DBG(is_mybeacon) = rs->is_mybeacon; 956 957 sc->debug.rsidx = (sc->debug.rsidx + 1) % ATH_DBG_MAX_SAMPLES; 958 spin_unlock(&sc->debug.samp_lock); 959 960 #endif 961 962 #undef RX_PHY_ERR_INC 963 #undef RX_SAMP_DBG 964 } 965 966 static const struct file_operations fops_recv = { 967 .read = read_file_recv, 968 .open = simple_open, 969 .owner = THIS_MODULE, 970 .llseek = default_llseek, 971 }; 972 973 static ssize_t read_file_spec_scan_ctl(struct file *file, char __user *user_buf, 974 size_t count, loff_t *ppos) 975 { 976 struct ath_softc *sc = file->private_data; 977 char *mode = ""; 978 unsigned int len; 979 980 switch (sc->spectral_mode) { 981 case SPECTRAL_DISABLED: 982 mode = "disable"; 983 break; 984 case SPECTRAL_BACKGROUND: 985 mode = "background"; 986 break; 987 case SPECTRAL_CHANSCAN: 988 mode = "chanscan"; 989 break; 990 case SPECTRAL_MANUAL: 991 mode = "manual"; 992 break; 993 } 994 len = strlen(mode); 995 return simple_read_from_buffer(user_buf, count, ppos, mode, len); 996 } 997 998 static ssize_t write_file_spec_scan_ctl(struct file *file, 999 const char __user *user_buf, 1000 size_t count, loff_t *ppos) 1001 { 1002 struct ath_softc *sc = file->private_data; 1003 struct ath_common *common = ath9k_hw_common(sc->sc_ah); 1004 char buf[32]; 1005 ssize_t len; 1006 1007 len = min(count, sizeof(buf) - 1); 1008 if (copy_from_user(buf, user_buf, len)) 1009 return -EFAULT; 1010 1011 buf[len] = '\0'; 1012 1013 if (strncmp("trigger", buf, 7) == 0) { 1014 ath9k_spectral_scan_trigger(sc->hw); 1015 } else if (strncmp("background", buf, 9) == 0) { 1016 ath9k_spectral_scan_config(sc->hw, SPECTRAL_BACKGROUND); 1017 ath_dbg(common, CONFIG, "spectral scan: background mode enabled\n"); 1018 } else if (strncmp("chanscan", buf, 8) == 0) { 1019 ath9k_spectral_scan_config(sc->hw, SPECTRAL_CHANSCAN); 1020 ath_dbg(common, CONFIG, "spectral scan: channel scan mode enabled\n"); 1021 } else if (strncmp("manual", buf, 6) == 0) { 1022 ath9k_spectral_scan_config(sc->hw, SPECTRAL_MANUAL); 1023 ath_dbg(common, CONFIG, "spectral scan: manual mode enabled\n"); 1024 } else if (strncmp("disable", buf, 7) == 0) { 1025 ath9k_spectral_scan_config(sc->hw, SPECTRAL_DISABLED); 1026 ath_dbg(common, CONFIG, "spectral scan: disabled\n"); 1027 } else { 1028 return -EINVAL; 1029 } 1030 1031 return count; 1032 } 1033 1034 static const struct file_operations fops_spec_scan_ctl = { 1035 .read = read_file_spec_scan_ctl, 1036 .write = write_file_spec_scan_ctl, 1037 .open = simple_open, 1038 .owner = THIS_MODULE, 1039 .llseek = default_llseek, 1040 }; 1041 1042 static ssize_t read_file_spectral_short_repeat(struct file *file, 1043 char __user *user_buf, 1044 size_t count, loff_t *ppos) 1045 { 1046 struct ath_softc *sc = file->private_data; 1047 char buf[32]; 1048 unsigned int len; 1049 1050 len = sprintf(buf, "%d\n", sc->spec_config.short_repeat); 1051 return simple_read_from_buffer(user_buf, count, ppos, buf, len); 1052 } 1053 1054 static ssize_t write_file_spectral_short_repeat(struct file *file, 1055 const char __user *user_buf, 1056 size_t count, loff_t *ppos) 1057 { 1058 struct ath_softc *sc = file->private_data; 1059 unsigned long val; 1060 char buf[32]; 1061 ssize_t len; 1062 1063 len = min(count, sizeof(buf) - 1); 1064 if (copy_from_user(buf, user_buf, len)) 1065 return -EFAULT; 1066 1067 buf[len] = '\0'; 1068 if (kstrtoul(buf, 0, &val)) 1069 return -EINVAL; 1070 1071 if (val < 0 || val > 1) 1072 return -EINVAL; 1073 1074 sc->spec_config.short_repeat = val; 1075 return count; 1076 } 1077 1078 static const struct file_operations fops_spectral_short_repeat = { 1079 .read = read_file_spectral_short_repeat, 1080 .write = write_file_spectral_short_repeat, 1081 .open = simple_open, 1082 .owner = THIS_MODULE, 1083 .llseek = default_llseek, 1084 }; 1085 1086 static ssize_t read_file_spectral_count(struct file *file, 1087 char __user *user_buf, 1088 size_t count, loff_t *ppos) 1089 { 1090 struct ath_softc *sc = file->private_data; 1091 char buf[32]; 1092 unsigned int len; 1093 1094 len = sprintf(buf, "%d\n", sc->spec_config.count); 1095 return simple_read_from_buffer(user_buf, count, ppos, buf, len); 1096 } 1097 1098 static ssize_t write_file_spectral_count(struct file *file, 1099 const char __user *user_buf, 1100 size_t count, loff_t *ppos) 1101 { 1102 struct ath_softc *sc = file->private_data; 1103 unsigned long val; 1104 char buf[32]; 1105 ssize_t len; 1106 1107 len = min(count, sizeof(buf) - 1); 1108 if (copy_from_user(buf, user_buf, len)) 1109 return -EFAULT; 1110 1111 buf[len] = '\0'; 1112 if (kstrtoul(buf, 0, &val)) 1113 return -EINVAL; 1114 1115 if (val < 0 || val > 255) 1116 return -EINVAL; 1117 1118 sc->spec_config.count = val; 1119 return count; 1120 } 1121 1122 static const struct file_operations fops_spectral_count = { 1123 .read = read_file_spectral_count, 1124 .write = write_file_spectral_count, 1125 .open = simple_open, 1126 .owner = THIS_MODULE, 1127 .llseek = default_llseek, 1128 }; 1129 1130 static ssize_t read_file_spectral_period(struct file *file, 1131 char __user *user_buf, 1132 size_t count, loff_t *ppos) 1133 { 1134 struct ath_softc *sc = file->private_data; 1135 char buf[32]; 1136 unsigned int len; 1137 1138 len = sprintf(buf, "%d\n", sc->spec_config.period); 1139 return simple_read_from_buffer(user_buf, count, ppos, buf, len); 1140 } 1141 1142 static ssize_t write_file_spectral_period(struct file *file, 1143 const char __user *user_buf, 1144 size_t count, loff_t *ppos) 1145 { 1146 struct ath_softc *sc = file->private_data; 1147 unsigned long val; 1148 char buf[32]; 1149 ssize_t len; 1150 1151 len = min(count, sizeof(buf) - 1); 1152 if (copy_from_user(buf, user_buf, len)) 1153 return -EFAULT; 1154 1155 buf[len] = '\0'; 1156 if (kstrtoul(buf, 0, &val)) 1157 return -EINVAL; 1158 1159 if (val < 0 || val > 255) 1160 return -EINVAL; 1161 1162 sc->spec_config.period = val; 1163 return count; 1164 } 1165 1166 static const struct file_operations fops_spectral_period = { 1167 .read = read_file_spectral_period, 1168 .write = write_file_spectral_period, 1169 .open = simple_open, 1170 .owner = THIS_MODULE, 1171 .llseek = default_llseek, 1172 }; 1173 1174 static ssize_t read_file_spectral_fft_period(struct file *file, 1175 char __user *user_buf, 1176 size_t count, loff_t *ppos) 1177 { 1178 struct ath_softc *sc = file->private_data; 1179 char buf[32]; 1180 unsigned int len; 1181 1182 len = sprintf(buf, "%d\n", sc->spec_config.fft_period); 1183 return simple_read_from_buffer(user_buf, count, ppos, buf, len); 1184 } 1185 1186 static ssize_t write_file_spectral_fft_period(struct file *file, 1187 const char __user *user_buf, 1188 size_t count, loff_t *ppos) 1189 { 1190 struct ath_softc *sc = file->private_data; 1191 unsigned long val; 1192 char buf[32]; 1193 ssize_t len; 1194 1195 len = min(count, sizeof(buf) - 1); 1196 if (copy_from_user(buf, user_buf, len)) 1197 return -EFAULT; 1198 1199 buf[len] = '\0'; 1200 if (kstrtoul(buf, 0, &val)) 1201 return -EINVAL; 1202 1203 if (val < 0 || val > 15) 1204 return -EINVAL; 1205 1206 sc->spec_config.fft_period = val; 1207 return count; 1208 } 1209 1210 static const struct file_operations fops_spectral_fft_period = { 1211 .read = read_file_spectral_fft_period, 1212 .write = write_file_spectral_fft_period, 1213 .open = simple_open, 1214 .owner = THIS_MODULE, 1215 .llseek = default_llseek, 1216 }; 1217 1218 static struct dentry *create_buf_file_handler(const char *filename, 1219 struct dentry *parent, 1220 umode_t mode, 1221 struct rchan_buf *buf, 1222 int *is_global) 1223 { 1224 struct dentry *buf_file; 1225 1226 buf_file = debugfs_create_file(filename, mode, parent, buf, 1227 &relay_file_operations); 1228 *is_global = 1; 1229 return buf_file; 1230 } 1231 1232 static int remove_buf_file_handler(struct dentry *dentry) 1233 { 1234 debugfs_remove(dentry); 1235 1236 return 0; 1237 } 1238 1239 void ath_debug_send_fft_sample(struct ath_softc *sc, 1240 struct fft_sample_tlv *fft_sample_tlv) 1241 { 1242 int length; 1243 if (!sc->rfs_chan_spec_scan) 1244 return; 1245 1246 length = __be16_to_cpu(fft_sample_tlv->length) + 1247 sizeof(*fft_sample_tlv); 1248 relay_write(sc->rfs_chan_spec_scan, fft_sample_tlv, length); 1249 } 1250 1251 static struct rchan_callbacks rfs_spec_scan_cb = { 1252 .create_buf_file = create_buf_file_handler, 1253 .remove_buf_file = remove_buf_file_handler, 1254 }; 1255 1256 1257 static ssize_t read_file_regidx(struct file *file, char __user *user_buf, 1258 size_t count, loff_t *ppos) 1259 { 1260 struct ath_softc *sc = file->private_data; 1261 char buf[32]; 1262 unsigned int len; 1263 1264 len = sprintf(buf, "0x%08x\n", sc->debug.regidx); 1265 return simple_read_from_buffer(user_buf, count, ppos, buf, len); 1266 } 1267 1268 static ssize_t write_file_regidx(struct file *file, const char __user *user_buf, 1269 size_t count, loff_t *ppos) 1270 { 1271 struct ath_softc *sc = file->private_data; 1272 unsigned long regidx; 1273 char buf[32]; 1274 ssize_t len; 1275 1276 len = min(count, sizeof(buf) - 1); 1277 if (copy_from_user(buf, user_buf, len)) 1278 return -EFAULT; 1279 1280 buf[len] = '\0'; 1281 if (strict_strtoul(buf, 0, ®idx)) 1282 return -EINVAL; 1283 1284 sc->debug.regidx = regidx; 1285 return count; 1286 } 1287 1288 static const struct file_operations fops_regidx = { 1289 .read = read_file_regidx, 1290 .write = write_file_regidx, 1291 .open = simple_open, 1292 .owner = THIS_MODULE, 1293 .llseek = default_llseek, 1294 }; 1295 1296 static ssize_t read_file_regval(struct file *file, char __user *user_buf, 1297 size_t count, loff_t *ppos) 1298 { 1299 struct ath_softc *sc = file->private_data; 1300 struct ath_hw *ah = sc->sc_ah; 1301 char buf[32]; 1302 unsigned int len; 1303 u32 regval; 1304 1305 ath9k_ps_wakeup(sc); 1306 regval = REG_READ_D(ah, sc->debug.regidx); 1307 ath9k_ps_restore(sc); 1308 len = sprintf(buf, "0x%08x\n", regval); 1309 return simple_read_from_buffer(user_buf, count, ppos, buf, len); 1310 } 1311 1312 static ssize_t write_file_regval(struct file *file, const char __user *user_buf, 1313 size_t count, loff_t *ppos) 1314 { 1315 struct ath_softc *sc = file->private_data; 1316 struct ath_hw *ah = sc->sc_ah; 1317 unsigned long regval; 1318 char buf[32]; 1319 ssize_t len; 1320 1321 len = min(count, sizeof(buf) - 1); 1322 if (copy_from_user(buf, user_buf, len)) 1323 return -EFAULT; 1324 1325 buf[len] = '\0'; 1326 if (strict_strtoul(buf, 0, ®val)) 1327 return -EINVAL; 1328 1329 ath9k_ps_wakeup(sc); 1330 REG_WRITE_D(ah, sc->debug.regidx, regval); 1331 ath9k_ps_restore(sc); 1332 return count; 1333 } 1334 1335 static const struct file_operations fops_regval = { 1336 .read = read_file_regval, 1337 .write = write_file_regval, 1338 .open = simple_open, 1339 .owner = THIS_MODULE, 1340 .llseek = default_llseek, 1341 }; 1342 1343 #define REGDUMP_LINE_SIZE 20 1344 1345 static int open_file_regdump(struct inode *inode, struct file *file) 1346 { 1347 struct ath_softc *sc = inode->i_private; 1348 unsigned int len = 0; 1349 u8 *buf; 1350 int i; 1351 unsigned long num_regs, regdump_len, max_reg_offset; 1352 1353 max_reg_offset = AR_SREV_9300_20_OR_LATER(sc->sc_ah) ? 0x16bd4 : 0xb500; 1354 num_regs = max_reg_offset / 4 + 1; 1355 regdump_len = num_regs * REGDUMP_LINE_SIZE + 1; 1356 buf = vmalloc(regdump_len); 1357 if (!buf) 1358 return -ENOMEM; 1359 1360 ath9k_ps_wakeup(sc); 1361 for (i = 0; i < num_regs; i++) 1362 len += scnprintf(buf + len, regdump_len - len, 1363 "0x%06x 0x%08x\n", i << 2, REG_READ(sc->sc_ah, i << 2)); 1364 ath9k_ps_restore(sc); 1365 1366 file->private_data = buf; 1367 1368 return 0; 1369 } 1370 1371 static const struct file_operations fops_regdump = { 1372 .open = open_file_regdump, 1373 .read = ath9k_debugfs_read_buf, 1374 .release = ath9k_debugfs_release_buf, 1375 .owner = THIS_MODULE, 1376 .llseek = default_llseek,/* read accesses f_pos */ 1377 }; 1378 1379 static ssize_t read_file_dump_nfcal(struct file *file, char __user *user_buf, 1380 size_t count, loff_t *ppos) 1381 { 1382 struct ath_softc *sc = file->private_data; 1383 struct ath_hw *ah = sc->sc_ah; 1384 struct ath9k_nfcal_hist *h = sc->caldata.nfCalHist; 1385 struct ath_common *common = ath9k_hw_common(ah); 1386 struct ieee80211_conf *conf = &common->hw->conf; 1387 u32 len = 0, size = 1500; 1388 u32 i, j; 1389 ssize_t retval = 0; 1390 char *buf; 1391 u8 chainmask = (ah->rxchainmask << 3) | ah->rxchainmask; 1392 u8 nread; 1393 1394 buf = kzalloc(size, GFP_KERNEL); 1395 if (!buf) 1396 return -ENOMEM; 1397 1398 len += snprintf(buf + len, size - len, 1399 "Channel Noise Floor : %d\n", ah->noise); 1400 len += snprintf(buf + len, size - len, 1401 "Chain | privNF | # Readings | NF Readings\n"); 1402 for (i = 0; i < NUM_NF_READINGS; i++) { 1403 if (!(chainmask & (1 << i)) || 1404 ((i >= AR5416_MAX_CHAINS) && !conf_is_ht40(conf))) 1405 continue; 1406 1407 nread = AR_PHY_CCA_FILTERWINDOW_LENGTH - h[i].invalidNFcount; 1408 len += snprintf(buf + len, size - len, " %d\t %d\t %d\t\t", 1409 i, h[i].privNF, nread); 1410 for (j = 0; j < nread; j++) 1411 len += snprintf(buf + len, size - len, 1412 " %d", h[i].nfCalBuffer[j]); 1413 len += snprintf(buf + len, size - len, "\n"); 1414 } 1415 1416 if (len > size) 1417 len = size; 1418 1419 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len); 1420 kfree(buf); 1421 1422 return retval; 1423 } 1424 1425 static const struct file_operations fops_dump_nfcal = { 1426 .read = read_file_dump_nfcal, 1427 .open = simple_open, 1428 .owner = THIS_MODULE, 1429 .llseek = default_llseek, 1430 }; 1431 1432 static ssize_t read_file_base_eeprom(struct file *file, char __user *user_buf, 1433 size_t count, loff_t *ppos) 1434 { 1435 struct ath_softc *sc = file->private_data; 1436 struct ath_hw *ah = sc->sc_ah; 1437 u32 len = 0, size = 1500; 1438 ssize_t retval = 0; 1439 char *buf; 1440 1441 buf = kzalloc(size, GFP_KERNEL); 1442 if (!buf) 1443 return -ENOMEM; 1444 1445 len = ah->eep_ops->dump_eeprom(ah, true, buf, len, size); 1446 1447 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len); 1448 kfree(buf); 1449 1450 return retval; 1451 } 1452 1453 static const struct file_operations fops_base_eeprom = { 1454 .read = read_file_base_eeprom, 1455 .open = simple_open, 1456 .owner = THIS_MODULE, 1457 .llseek = default_llseek, 1458 }; 1459 1460 static ssize_t read_file_modal_eeprom(struct file *file, char __user *user_buf, 1461 size_t count, loff_t *ppos) 1462 { 1463 struct ath_softc *sc = file->private_data; 1464 struct ath_hw *ah = sc->sc_ah; 1465 u32 len = 0, size = 6000; 1466 char *buf; 1467 size_t retval; 1468 1469 buf = kzalloc(size, GFP_KERNEL); 1470 if (buf == NULL) 1471 return -ENOMEM; 1472 1473 len = ah->eep_ops->dump_eeprom(ah, false, buf, len, size); 1474 1475 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len); 1476 kfree(buf); 1477 1478 return retval; 1479 } 1480 1481 static const struct file_operations fops_modal_eeprom = { 1482 .read = read_file_modal_eeprom, 1483 .open = simple_open, 1484 .owner = THIS_MODULE, 1485 .llseek = default_llseek, 1486 }; 1487 1488 #ifdef CONFIG_ATH9K_MAC_DEBUG 1489 1490 void ath9k_debug_samp_bb_mac(struct ath_softc *sc) 1491 { 1492 #define ATH_SAMP_DBG(c) (sc->debug.bb_mac_samp[sc->debug.sampidx].c) 1493 struct ath_hw *ah = sc->sc_ah; 1494 struct ath_common *common = ath9k_hw_common(ah); 1495 unsigned long flags; 1496 int i; 1497 1498 ath9k_ps_wakeup(sc); 1499 1500 spin_lock_bh(&sc->debug.samp_lock); 1501 1502 spin_lock_irqsave(&common->cc_lock, flags); 1503 ath_hw_cycle_counters_update(common); 1504 1505 ATH_SAMP_DBG(cc.cycles) = common->cc_ani.cycles; 1506 ATH_SAMP_DBG(cc.rx_busy) = common->cc_ani.rx_busy; 1507 ATH_SAMP_DBG(cc.rx_frame) = common->cc_ani.rx_frame; 1508 ATH_SAMP_DBG(cc.tx_frame) = common->cc_ani.tx_frame; 1509 spin_unlock_irqrestore(&common->cc_lock, flags); 1510 1511 ATH_SAMP_DBG(noise) = ah->noise; 1512 1513 REG_WRITE_D(ah, AR_MACMISC, 1514 ((AR_MACMISC_DMA_OBS_LINE_8 << AR_MACMISC_DMA_OBS_S) | 1515 (AR_MACMISC_MISC_OBS_BUS_1 << 1516 AR_MACMISC_MISC_OBS_BUS_MSB_S))); 1517 1518 for (i = 0; i < ATH9K_NUM_DMA_DEBUG_REGS; i++) 1519 ATH_SAMP_DBG(dma_dbg_reg_vals[i]) = REG_READ_D(ah, 1520 AR_DMADBG_0 + (i * sizeof(u32))); 1521 1522 ATH_SAMP_DBG(pcu_obs) = REG_READ_D(ah, AR_OBS_BUS_1); 1523 ATH_SAMP_DBG(pcu_cr) = REG_READ_D(ah, AR_CR); 1524 1525 memcpy(ATH_SAMP_DBG(nfCalHist), sc->caldata.nfCalHist, 1526 sizeof(ATH_SAMP_DBG(nfCalHist))); 1527 1528 sc->debug.sampidx = (sc->debug.sampidx + 1) % ATH_DBG_MAX_SAMPLES; 1529 spin_unlock_bh(&sc->debug.samp_lock); 1530 ath9k_ps_restore(sc); 1531 1532 #undef ATH_SAMP_DBG 1533 } 1534 1535 static int open_file_bb_mac_samps(struct inode *inode, struct file *file) 1536 { 1537 #define ATH_SAMP_DBG(c) bb_mac_samp[sampidx].c 1538 struct ath_softc *sc = inode->i_private; 1539 struct ath_hw *ah = sc->sc_ah; 1540 struct ath_common *common = ath9k_hw_common(ah); 1541 struct ieee80211_conf *conf = &common->hw->conf; 1542 struct ath_dbg_bb_mac_samp *bb_mac_samp; 1543 struct ath9k_nfcal_hist *h; 1544 int i, j, qcuOffset = 0, dcuOffset = 0; 1545 u32 *qcuBase, *dcuBase, size = 30000, len = 0; 1546 u32 sampidx = 0; 1547 u8 *buf; 1548 u8 chainmask = (ah->rxchainmask << 3) | ah->rxchainmask; 1549 u8 nread; 1550 1551 if (test_bit(SC_OP_INVALID, &sc->sc_flags)) 1552 return -EAGAIN; 1553 1554 buf = vmalloc(size); 1555 if (!buf) 1556 return -ENOMEM; 1557 bb_mac_samp = vmalloc(sizeof(*bb_mac_samp) * ATH_DBG_MAX_SAMPLES); 1558 if (!bb_mac_samp) { 1559 vfree(buf); 1560 return -ENOMEM; 1561 } 1562 /* Account the current state too */ 1563 ath9k_debug_samp_bb_mac(sc); 1564 1565 spin_lock_bh(&sc->debug.samp_lock); 1566 memcpy(bb_mac_samp, sc->debug.bb_mac_samp, 1567 sizeof(*bb_mac_samp) * ATH_DBG_MAX_SAMPLES); 1568 len += snprintf(buf + len, size - len, 1569 "Current Sample Index: %d\n", sc->debug.sampidx); 1570 spin_unlock_bh(&sc->debug.samp_lock); 1571 1572 len += snprintf(buf + len, size - len, 1573 "Raw DMA Debug Dump:\n"); 1574 len += snprintf(buf + len, size - len, "Sample |\t"); 1575 for (i = 0; i < ATH9K_NUM_DMA_DEBUG_REGS; i++) 1576 len += snprintf(buf + len, size - len, " DMA Reg%d |\t", i); 1577 len += snprintf(buf + len, size - len, "\n"); 1578 1579 for (sampidx = 0; sampidx < ATH_DBG_MAX_SAMPLES; sampidx++) { 1580 len += snprintf(buf + len, size - len, "%d\t", sampidx); 1581 1582 for (i = 0; i < ATH9K_NUM_DMA_DEBUG_REGS; i++) 1583 len += snprintf(buf + len, size - len, " %08x\t", 1584 ATH_SAMP_DBG(dma_dbg_reg_vals[i])); 1585 len += snprintf(buf + len, size - len, "\n"); 1586 } 1587 len += snprintf(buf + len, size - len, "\n"); 1588 1589 len += snprintf(buf + len, size - len, 1590 "Sample Num QCU: chain_st fsp_ok fsp_st DCU: chain_st\n"); 1591 for (sampidx = 0; sampidx < ATH_DBG_MAX_SAMPLES; sampidx++) { 1592 qcuBase = &ATH_SAMP_DBG(dma_dbg_reg_vals[0]); 1593 dcuBase = &ATH_SAMP_DBG(dma_dbg_reg_vals[4]); 1594 1595 for (i = 0; i < ATH9K_NUM_QUEUES; i++, 1596 qcuOffset += 4, dcuOffset += 5) { 1597 if (i == 8) { 1598 qcuOffset = 0; 1599 qcuBase++; 1600 } 1601 1602 if (i == 6) { 1603 dcuOffset = 0; 1604 dcuBase++; 1605 } 1606 if (!sc->debug.stats.txstats[i].queued) 1607 continue; 1608 1609 len += snprintf(buf + len, size - len, 1610 "%4d %7d %2x %1x %2x %2x\n", 1611 sampidx, i, 1612 (*qcuBase & (0x7 << qcuOffset)) >> qcuOffset, 1613 (*qcuBase & (0x8 << qcuOffset)) >> 1614 (qcuOffset + 3), 1615 ATH_SAMP_DBG(dma_dbg_reg_vals[2]) & 1616 (0x7 << (i * 3)) >> (i * 3), 1617 (*dcuBase & (0x1f << dcuOffset)) >> dcuOffset); 1618 } 1619 len += snprintf(buf + len, size - len, "\n"); 1620 } 1621 len += snprintf(buf + len, size - len, 1622 "samp qcu_sh qcu_fh qcu_comp dcu_comp dcu_arb dcu_fp " 1623 "ch_idle_dur ch_idle_dur_val txfifo_val0 txfifo_val1 " 1624 "txfifo_dcu0 txfifo_dcu1 pcu_obs AR_CR\n"); 1625 1626 for (sampidx = 0; sampidx < ATH_DBG_MAX_SAMPLES; sampidx++) { 1627 qcuBase = &ATH_SAMP_DBG(dma_dbg_reg_vals[0]); 1628 dcuBase = &ATH_SAMP_DBG(dma_dbg_reg_vals[4]); 1629 1630 len += snprintf(buf + len, size - len, "%4d %5x %5x ", sampidx, 1631 (ATH_SAMP_DBG(dma_dbg_reg_vals[3]) & 0x003c0000) >> 18, 1632 (ATH_SAMP_DBG(dma_dbg_reg_vals[3]) & 0x03c00000) >> 22); 1633 len += snprintf(buf + len, size - len, "%7x %8x ", 1634 (ATH_SAMP_DBG(dma_dbg_reg_vals[3]) & 0x1c000000) >> 26, 1635 (ATH_SAMP_DBG(dma_dbg_reg_vals[6]) & 0x3)); 1636 len += snprintf(buf + len, size - len, "%7x %7x ", 1637 (ATH_SAMP_DBG(dma_dbg_reg_vals[5]) & 0x06000000) >> 25, 1638 (ATH_SAMP_DBG(dma_dbg_reg_vals[5]) & 0x38000000) >> 27); 1639 len += snprintf(buf + len, size - len, "%7d %12d ", 1640 (ATH_SAMP_DBG(dma_dbg_reg_vals[6]) & 0x000003fc) >> 2, 1641 (ATH_SAMP_DBG(dma_dbg_reg_vals[6]) & 0x00000400) >> 10); 1642 len += snprintf(buf + len, size - len, "%12d %12d ", 1643 (ATH_SAMP_DBG(dma_dbg_reg_vals[6]) & 0x00000800) >> 11, 1644 (ATH_SAMP_DBG(dma_dbg_reg_vals[6]) & 0x00001000) >> 12); 1645 len += snprintf(buf + len, size - len, "%12d %12d ", 1646 (ATH_SAMP_DBG(dma_dbg_reg_vals[6]) & 0x0001e000) >> 13, 1647 (ATH_SAMP_DBG(dma_dbg_reg_vals[6]) & 0x001e0000) >> 17); 1648 len += snprintf(buf + len, size - len, "0x%07x 0x%07x\n", 1649 ATH_SAMP_DBG(pcu_obs), ATH_SAMP_DBG(pcu_cr)); 1650 } 1651 1652 len += snprintf(buf + len, size - len, 1653 "Sample ChNoise Chain privNF #Reading Readings\n"); 1654 for (sampidx = 0; sampidx < ATH_DBG_MAX_SAMPLES; sampidx++) { 1655 h = ATH_SAMP_DBG(nfCalHist); 1656 if (!ATH_SAMP_DBG(noise)) 1657 continue; 1658 1659 for (i = 0; i < NUM_NF_READINGS; i++) { 1660 if (!(chainmask & (1 << i)) || 1661 ((i >= AR5416_MAX_CHAINS) && !conf_is_ht40(conf))) 1662 continue; 1663 1664 nread = AR_PHY_CCA_FILTERWINDOW_LENGTH - 1665 h[i].invalidNFcount; 1666 len += snprintf(buf + len, size - len, 1667 "%4d %5d %4d\t %d\t %d\t", 1668 sampidx, ATH_SAMP_DBG(noise), 1669 i, h[i].privNF, nread); 1670 for (j = 0; j < nread; j++) 1671 len += snprintf(buf + len, size - len, 1672 " %d", h[i].nfCalBuffer[j]); 1673 len += snprintf(buf + len, size - len, "\n"); 1674 } 1675 } 1676 len += snprintf(buf + len, size - len, "\nCycle counters:\n" 1677 "Sample Total Rxbusy Rxframes Txframes\n"); 1678 for (sampidx = 0; sampidx < ATH_DBG_MAX_SAMPLES; sampidx++) { 1679 if (!ATH_SAMP_DBG(cc.cycles)) 1680 continue; 1681 len += snprintf(buf + len, size - len, 1682 "%4d %08x %08x %08x %08x\n", 1683 sampidx, ATH_SAMP_DBG(cc.cycles), 1684 ATH_SAMP_DBG(cc.rx_busy), 1685 ATH_SAMP_DBG(cc.rx_frame), 1686 ATH_SAMP_DBG(cc.tx_frame)); 1687 } 1688 1689 len += snprintf(buf + len, size - len, "Tx status Dump :\n"); 1690 len += snprintf(buf + len, size - len, 1691 "Sample rssi:- ctl0 ctl1 ctl2 ext0 ext1 ext2 comb " 1692 "isok rts_fail data_fail rate tid qid " 1693 "ba_low ba_high tx_before(ms)\n"); 1694 for (sampidx = 0; sampidx < ATH_DBG_MAX_SAMPLES; sampidx++) { 1695 for (i = 0; i < ATH_DBG_MAX_SAMPLES; i++) { 1696 if (!ATH_SAMP_DBG(ts[i].jiffies)) 1697 continue; 1698 len += snprintf(buf + len, size - len, "%-14d" 1699 "%-4d %-4d %-4d %-4d %-4d %-4d %-4d %-4d %-8d " 1700 "%-9d %-4d %-3d %-3d %08x %08x %-11d\n", 1701 sampidx, 1702 ATH_SAMP_DBG(ts[i].rssi_ctl0), 1703 ATH_SAMP_DBG(ts[i].rssi_ctl1), 1704 ATH_SAMP_DBG(ts[i].rssi_ctl2), 1705 ATH_SAMP_DBG(ts[i].rssi_ext0), 1706 ATH_SAMP_DBG(ts[i].rssi_ext1), 1707 ATH_SAMP_DBG(ts[i].rssi_ext2), 1708 ATH_SAMP_DBG(ts[i].rssi), 1709 ATH_SAMP_DBG(ts[i].isok), 1710 ATH_SAMP_DBG(ts[i].rts_fail_cnt), 1711 ATH_SAMP_DBG(ts[i].data_fail_cnt), 1712 ATH_SAMP_DBG(ts[i].rateindex), 1713 ATH_SAMP_DBG(ts[i].tid), 1714 ATH_SAMP_DBG(ts[i].qid), 1715 ATH_SAMP_DBG(ts[i].ba_low), 1716 ATH_SAMP_DBG(ts[i].ba_high), 1717 jiffies_to_msecs(jiffies - 1718 ATH_SAMP_DBG(ts[i].jiffies))); 1719 } 1720 } 1721 1722 len += snprintf(buf + len, size - len, "Rx status Dump :\n"); 1723 len += snprintf(buf + len, size - len, "Sample rssi:- ctl0 ctl1 ctl2 " 1724 "ext0 ext1 ext2 comb beacon ant rate rx_before(ms)\n"); 1725 for (sampidx = 0; sampidx < ATH_DBG_MAX_SAMPLES; sampidx++) { 1726 for (i = 0; i < ATH_DBG_MAX_SAMPLES; i++) { 1727 if (!ATH_SAMP_DBG(rs[i].jiffies)) 1728 continue; 1729 len += snprintf(buf + len, size - len, "%-14d" 1730 "%-4d %-4d %-4d %-4d %-4d %-4d %-4d %-9s %-2d %02x %-13d\n", 1731 sampidx, 1732 ATH_SAMP_DBG(rs[i].rssi_ctl0), 1733 ATH_SAMP_DBG(rs[i].rssi_ctl1), 1734 ATH_SAMP_DBG(rs[i].rssi_ctl2), 1735 ATH_SAMP_DBG(rs[i].rssi_ext0), 1736 ATH_SAMP_DBG(rs[i].rssi_ext1), 1737 ATH_SAMP_DBG(rs[i].rssi_ext2), 1738 ATH_SAMP_DBG(rs[i].rssi), 1739 ATH_SAMP_DBG(rs[i].is_mybeacon) ? 1740 "True" : "False", 1741 ATH_SAMP_DBG(rs[i].antenna), 1742 ATH_SAMP_DBG(rs[i].rate), 1743 jiffies_to_msecs(jiffies - 1744 ATH_SAMP_DBG(rs[i].jiffies))); 1745 } 1746 } 1747 1748 vfree(bb_mac_samp); 1749 file->private_data = buf; 1750 1751 return 0; 1752 #undef ATH_SAMP_DBG 1753 } 1754 1755 static const struct file_operations fops_samps = { 1756 .open = open_file_bb_mac_samps, 1757 .read = ath9k_debugfs_read_buf, 1758 .release = ath9k_debugfs_release_buf, 1759 .owner = THIS_MODULE, 1760 .llseek = default_llseek, 1761 }; 1762 1763 #endif 1764 1765 #ifdef CONFIG_ATH9K_BTCOEX_SUPPORT 1766 static ssize_t read_file_btcoex(struct file *file, char __user *user_buf, 1767 size_t count, loff_t *ppos) 1768 { 1769 struct ath_softc *sc = file->private_data; 1770 u32 len = 0, size = 1500; 1771 char *buf; 1772 size_t retval; 1773 1774 buf = kzalloc(size, GFP_KERNEL); 1775 if (buf == NULL) 1776 return -ENOMEM; 1777 1778 if (!sc->sc_ah->common.btcoex_enabled) { 1779 len = snprintf(buf, size, "%s\n", 1780 "BTCOEX is disabled"); 1781 goto exit; 1782 } 1783 1784 len = ath9k_dump_btcoex(sc, buf, size); 1785 exit: 1786 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len); 1787 kfree(buf); 1788 1789 return retval; 1790 } 1791 1792 static const struct file_operations fops_btcoex = { 1793 .read = read_file_btcoex, 1794 .open = simple_open, 1795 .owner = THIS_MODULE, 1796 .llseek = default_llseek, 1797 }; 1798 #endif 1799 1800 static ssize_t read_file_node_stat(struct file *file, char __user *user_buf, 1801 size_t count, loff_t *ppos) 1802 { 1803 struct ath_node *an = file->private_data; 1804 struct ath_softc *sc = an->sc; 1805 struct ath_atx_tid *tid; 1806 struct ath_atx_ac *ac; 1807 struct ath_txq *txq; 1808 u32 len = 0, size = 4096; 1809 char *buf; 1810 size_t retval; 1811 int tidno, acno; 1812 1813 buf = kzalloc(size, GFP_KERNEL); 1814 if (buf == NULL) 1815 return -ENOMEM; 1816 1817 if (!an->sta->ht_cap.ht_supported) { 1818 len = snprintf(buf, size, "%s\n", 1819 "HT not supported"); 1820 goto exit; 1821 } 1822 1823 len = snprintf(buf, size, "Max-AMPDU: %d\n", 1824 an->maxampdu); 1825 len += snprintf(buf + len, size - len, "MPDU Density: %d\n\n", 1826 an->mpdudensity); 1827 1828 len += snprintf(buf + len, size - len, 1829 "%2s%7s\n", "AC", "SCHED"); 1830 1831 for (acno = 0, ac = &an->ac[acno]; 1832 acno < IEEE80211_NUM_ACS; acno++, ac++) { 1833 txq = ac->txq; 1834 ath_txq_lock(sc, txq); 1835 len += snprintf(buf + len, size - len, 1836 "%2d%7d\n", 1837 acno, ac->sched); 1838 ath_txq_unlock(sc, txq); 1839 } 1840 1841 len += snprintf(buf + len, size - len, 1842 "\n%3s%11s%10s%10s%10s%10s%9s%6s%8s\n", 1843 "TID", "SEQ_START", "SEQ_NEXT", "BAW_SIZE", 1844 "BAW_HEAD", "BAW_TAIL", "BAR_IDX", "SCHED", "PAUSED"); 1845 1846 for (tidno = 0, tid = &an->tid[tidno]; 1847 tidno < IEEE80211_NUM_TIDS; tidno++, tid++) { 1848 txq = tid->ac->txq; 1849 ath_txq_lock(sc, txq); 1850 len += snprintf(buf + len, size - len, 1851 "%3d%11d%10d%10d%10d%10d%9d%6d%8d\n", 1852 tid->tidno, tid->seq_start, tid->seq_next, 1853 tid->baw_size, tid->baw_head, tid->baw_tail, 1854 tid->bar_index, tid->sched, tid->paused); 1855 ath_txq_unlock(sc, txq); 1856 } 1857 exit: 1858 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len); 1859 kfree(buf); 1860 1861 return retval; 1862 } 1863 1864 static const struct file_operations fops_node_stat = { 1865 .read = read_file_node_stat, 1866 .open = simple_open, 1867 .owner = THIS_MODULE, 1868 .llseek = default_llseek, 1869 }; 1870 1871 void ath9k_sta_add_debugfs(struct ieee80211_hw *hw, 1872 struct ieee80211_vif *vif, 1873 struct ieee80211_sta *sta, 1874 struct dentry *dir) 1875 { 1876 struct ath_node *an = (struct ath_node *)sta->drv_priv; 1877 an->node_stat = debugfs_create_file("node_stat", S_IRUGO, 1878 dir, an, &fops_node_stat); 1879 } 1880 1881 void ath9k_sta_remove_debugfs(struct ieee80211_hw *hw, 1882 struct ieee80211_vif *vif, 1883 struct ieee80211_sta *sta, 1884 struct dentry *dir) 1885 { 1886 struct ath_node *an = (struct ath_node *)sta->drv_priv; 1887 debugfs_remove(an->node_stat); 1888 } 1889 1890 /* Ethtool support for get-stats */ 1891 1892 #define AMKSTR(nm) #nm "_BE", #nm "_BK", #nm "_VI", #nm "_VO" 1893 static const char ath9k_gstrings_stats[][ETH_GSTRING_LEN] = { 1894 "tx_pkts_nic", 1895 "tx_bytes_nic", 1896 "rx_pkts_nic", 1897 "rx_bytes_nic", 1898 AMKSTR(d_tx_pkts), 1899 AMKSTR(d_tx_bytes), 1900 AMKSTR(d_tx_mpdus_queued), 1901 AMKSTR(d_tx_mpdus_completed), 1902 AMKSTR(d_tx_mpdu_xretries), 1903 AMKSTR(d_tx_aggregates), 1904 AMKSTR(d_tx_ampdus_queued_hw), 1905 AMKSTR(d_tx_ampdus_queued_sw), 1906 AMKSTR(d_tx_ampdus_completed), 1907 AMKSTR(d_tx_ampdu_retries), 1908 AMKSTR(d_tx_ampdu_xretries), 1909 AMKSTR(d_tx_fifo_underrun), 1910 AMKSTR(d_tx_op_exceeded), 1911 AMKSTR(d_tx_timer_expiry), 1912 AMKSTR(d_tx_desc_cfg_err), 1913 AMKSTR(d_tx_data_underrun), 1914 AMKSTR(d_tx_delim_underrun), 1915 "d_rx_crc_err", 1916 "d_rx_decrypt_crc_err", 1917 "d_rx_phy_err", 1918 "d_rx_mic_err", 1919 "d_rx_pre_delim_crc_err", 1920 "d_rx_post_delim_crc_err", 1921 "d_rx_decrypt_busy_err", 1922 1923 "d_rx_phyerr_radar", 1924 "d_rx_phyerr_ofdm_timing", 1925 "d_rx_phyerr_cck_timing", 1926 1927 }; 1928 #define ATH9K_SSTATS_LEN ARRAY_SIZE(ath9k_gstrings_stats) 1929 1930 void ath9k_get_et_strings(struct ieee80211_hw *hw, 1931 struct ieee80211_vif *vif, 1932 u32 sset, u8 *data) 1933 { 1934 if (sset == ETH_SS_STATS) 1935 memcpy(data, *ath9k_gstrings_stats, 1936 sizeof(ath9k_gstrings_stats)); 1937 } 1938 1939 int ath9k_get_et_sset_count(struct ieee80211_hw *hw, 1940 struct ieee80211_vif *vif, int sset) 1941 { 1942 if (sset == ETH_SS_STATS) 1943 return ATH9K_SSTATS_LEN; 1944 return 0; 1945 } 1946 1947 #define AWDATA(elem) \ 1948 do { \ 1949 data[i++] = sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BE)].elem; \ 1950 data[i++] = sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BK)].elem; \ 1951 data[i++] = sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_VI)].elem; \ 1952 data[i++] = sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_VO)].elem; \ 1953 } while (0) 1954 1955 #define AWDATA_RX(elem) \ 1956 do { \ 1957 data[i++] = sc->debug.stats.rxstats.elem; \ 1958 } while (0) 1959 1960 void ath9k_get_et_stats(struct ieee80211_hw *hw, 1961 struct ieee80211_vif *vif, 1962 struct ethtool_stats *stats, u64 *data) 1963 { 1964 struct ath_softc *sc = hw->priv; 1965 int i = 0; 1966 1967 data[i++] = (sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BE)].tx_pkts_all + 1968 sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BK)].tx_pkts_all + 1969 sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_VI)].tx_pkts_all + 1970 sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_VO)].tx_pkts_all); 1971 data[i++] = (sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BE)].tx_bytes_all + 1972 sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BK)].tx_bytes_all + 1973 sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_VI)].tx_bytes_all + 1974 sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_VO)].tx_bytes_all); 1975 AWDATA_RX(rx_pkts_all); 1976 AWDATA_RX(rx_bytes_all); 1977 1978 AWDATA(tx_pkts_all); 1979 AWDATA(tx_bytes_all); 1980 AWDATA(queued); 1981 AWDATA(completed); 1982 AWDATA(xretries); 1983 AWDATA(a_aggr); 1984 AWDATA(a_queued_hw); 1985 AWDATA(a_queued_sw); 1986 AWDATA(a_completed); 1987 AWDATA(a_retries); 1988 AWDATA(a_xretries); 1989 AWDATA(fifo_underrun); 1990 AWDATA(xtxop); 1991 AWDATA(timer_exp); 1992 AWDATA(desc_cfg_err); 1993 AWDATA(data_underrun); 1994 AWDATA(delim_underrun); 1995 1996 AWDATA_RX(crc_err); 1997 AWDATA_RX(decrypt_crc_err); 1998 AWDATA_RX(phy_err); 1999 AWDATA_RX(mic_err); 2000 AWDATA_RX(pre_delim_crc_err); 2001 AWDATA_RX(post_delim_crc_err); 2002 AWDATA_RX(decrypt_busy_err); 2003 2004 AWDATA_RX(phy_err_stats[ATH9K_PHYERR_RADAR]); 2005 AWDATA_RX(phy_err_stats[ATH9K_PHYERR_OFDM_TIMING]); 2006 AWDATA_RX(phy_err_stats[ATH9K_PHYERR_CCK_TIMING]); 2007 2008 WARN_ON(i != ATH9K_SSTATS_LEN); 2009 } 2010 2011 void ath9k_deinit_debug(struct ath_softc *sc) 2012 { 2013 if (config_enabled(CONFIG_ATH9K_DEBUGFS) && sc->rfs_chan_spec_scan) { 2014 relay_close(sc->rfs_chan_spec_scan); 2015 sc->rfs_chan_spec_scan = NULL; 2016 } 2017 } 2018 2019 int ath9k_init_debug(struct ath_hw *ah) 2020 { 2021 struct ath_common *common = ath9k_hw_common(ah); 2022 struct ath_softc *sc = (struct ath_softc *) common->priv; 2023 2024 sc->debug.debugfs_phy = debugfs_create_dir("ath9k", 2025 sc->hw->wiphy->debugfsdir); 2026 if (!sc->debug.debugfs_phy) 2027 return -ENOMEM; 2028 2029 #ifdef CONFIG_ATH_DEBUG 2030 debugfs_create_file("debug", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy, 2031 sc, &fops_debug); 2032 #endif 2033 2034 ath9k_dfs_init_debug(sc); 2035 2036 debugfs_create_file("dma", S_IRUSR, sc->debug.debugfs_phy, sc, 2037 &fops_dma); 2038 debugfs_create_file("interrupt", S_IRUSR, sc->debug.debugfs_phy, sc, 2039 &fops_interrupt); 2040 debugfs_create_file("xmit", S_IRUSR, sc->debug.debugfs_phy, sc, 2041 &fops_xmit); 2042 debugfs_create_file("queues", S_IRUSR, sc->debug.debugfs_phy, sc, 2043 &fops_queues); 2044 debugfs_create_u32("qlen_bk", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy, 2045 &sc->tx.txq_max_pending[IEEE80211_AC_BK]); 2046 debugfs_create_u32("qlen_be", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy, 2047 &sc->tx.txq_max_pending[IEEE80211_AC_BE]); 2048 debugfs_create_u32("qlen_vi", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy, 2049 &sc->tx.txq_max_pending[IEEE80211_AC_VI]); 2050 debugfs_create_u32("qlen_vo", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy, 2051 &sc->tx.txq_max_pending[IEEE80211_AC_VO]); 2052 debugfs_create_file("misc", S_IRUSR, sc->debug.debugfs_phy, sc, 2053 &fops_misc); 2054 debugfs_create_file("reset", S_IRUSR, sc->debug.debugfs_phy, sc, 2055 &fops_reset); 2056 debugfs_create_file("recv", S_IRUSR, sc->debug.debugfs_phy, sc, 2057 &fops_recv); 2058 debugfs_create_file("rx_chainmask", S_IRUSR | S_IWUSR, 2059 sc->debug.debugfs_phy, sc, &fops_rx_chainmask); 2060 debugfs_create_file("tx_chainmask", S_IRUSR | S_IWUSR, 2061 sc->debug.debugfs_phy, sc, &fops_tx_chainmask); 2062 debugfs_create_file("disable_ani", S_IRUSR | S_IWUSR, 2063 sc->debug.debugfs_phy, sc, &fops_disable_ani); 2064 debugfs_create_bool("paprd", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy, 2065 &sc->sc_ah->config.enable_paprd); 2066 debugfs_create_file("regidx", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy, 2067 sc, &fops_regidx); 2068 debugfs_create_file("regval", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy, 2069 sc, &fops_regval); 2070 debugfs_create_bool("ignore_extcca", S_IRUSR | S_IWUSR, 2071 sc->debug.debugfs_phy, 2072 &ah->config.cwm_ignore_extcca); 2073 debugfs_create_file("regdump", S_IRUSR, sc->debug.debugfs_phy, sc, 2074 &fops_regdump); 2075 debugfs_create_file("dump_nfcal", S_IRUSR, sc->debug.debugfs_phy, sc, 2076 &fops_dump_nfcal); 2077 debugfs_create_file("base_eeprom", S_IRUSR, sc->debug.debugfs_phy, sc, 2078 &fops_base_eeprom); 2079 debugfs_create_file("modal_eeprom", S_IRUSR, sc->debug.debugfs_phy, sc, 2080 &fops_modal_eeprom); 2081 sc->rfs_chan_spec_scan = relay_open("spectral_scan", 2082 sc->debug.debugfs_phy, 2083 1024, 256, &rfs_spec_scan_cb, 2084 NULL); 2085 debugfs_create_file("spectral_scan_ctl", S_IRUSR | S_IWUSR, 2086 sc->debug.debugfs_phy, sc, 2087 &fops_spec_scan_ctl); 2088 debugfs_create_file("spectral_short_repeat", S_IRUSR | S_IWUSR, 2089 sc->debug.debugfs_phy, sc, 2090 &fops_spectral_short_repeat); 2091 debugfs_create_file("spectral_count", S_IRUSR | S_IWUSR, 2092 sc->debug.debugfs_phy, sc, &fops_spectral_count); 2093 debugfs_create_file("spectral_period", S_IRUSR | S_IWUSR, 2094 sc->debug.debugfs_phy, sc, &fops_spectral_period); 2095 debugfs_create_file("spectral_fft_period", S_IRUSR | S_IWUSR, 2096 sc->debug.debugfs_phy, sc, 2097 &fops_spectral_fft_period); 2098 2099 #ifdef CONFIG_ATH9K_MAC_DEBUG 2100 debugfs_create_file("samples", S_IRUSR, sc->debug.debugfs_phy, sc, 2101 &fops_samps); 2102 #endif 2103 debugfs_create_u32("gpio_mask", S_IRUSR | S_IWUSR, 2104 sc->debug.debugfs_phy, &sc->sc_ah->gpio_mask); 2105 debugfs_create_u32("gpio_val", S_IRUSR | S_IWUSR, 2106 sc->debug.debugfs_phy, &sc->sc_ah->gpio_val); 2107 debugfs_create_file("diversity", S_IRUSR | S_IWUSR, 2108 sc->debug.debugfs_phy, sc, &fops_ant_diversity); 2109 #ifdef CONFIG_ATH9K_BTCOEX_SUPPORT 2110 debugfs_create_file("btcoex", S_IRUSR, sc->debug.debugfs_phy, sc, 2111 &fops_btcoex); 2112 #endif 2113 return 0; 2114 } 2115