1 /* 2 * Copyright (c) 2008-2011 Atheros Communications Inc. 3 * 4 * Permission to use, copy, modify, and/or distribute this software for any 5 * purpose with or without fee is hereby granted, provided that the above 6 * copyright notice and this permission notice appear in all copies. 7 * 8 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 9 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 10 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 11 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 13 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 14 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 15 */ 16 17 #include <linux/slab.h> 18 #include <linux/vmalloc.h> 19 #include <linux/export.h> 20 #include <asm/unaligned.h> 21 22 #include "ath9k.h" 23 24 #define REG_WRITE_D(_ah, _reg, _val) \ 25 ath9k_hw_common(_ah)->ops->write((_ah), (_val), (_reg)) 26 #define REG_READ_D(_ah, _reg) \ 27 ath9k_hw_common(_ah)->ops->read((_ah), (_reg)) 28 29 static int ath9k_debugfs_open(struct inode *inode, struct file *file) 30 { 31 file->private_data = inode->i_private; 32 return 0; 33 } 34 35 static ssize_t ath9k_debugfs_read_buf(struct file *file, char __user *user_buf, 36 size_t count, loff_t *ppos) 37 { 38 u8 *buf = file->private_data; 39 return simple_read_from_buffer(user_buf, count, ppos, buf, strlen(buf)); 40 } 41 42 static int ath9k_debugfs_release_buf(struct inode *inode, struct file *file) 43 { 44 vfree(file->private_data); 45 return 0; 46 } 47 48 #ifdef CONFIG_ATH_DEBUG 49 50 static ssize_t read_file_debug(struct file *file, char __user *user_buf, 51 size_t count, loff_t *ppos) 52 { 53 struct ath_softc *sc = file->private_data; 54 struct ath_common *common = ath9k_hw_common(sc->sc_ah); 55 char buf[32]; 56 unsigned int len; 57 58 len = sprintf(buf, "0x%08x\n", common->debug_mask); 59 return simple_read_from_buffer(user_buf, count, ppos, buf, len); 60 } 61 62 static ssize_t write_file_debug(struct file *file, const char __user *user_buf, 63 size_t count, loff_t *ppos) 64 { 65 struct ath_softc *sc = file->private_data; 66 struct ath_common *common = ath9k_hw_common(sc->sc_ah); 67 unsigned long mask; 68 char buf[32]; 69 ssize_t len; 70 71 len = min(count, sizeof(buf) - 1); 72 if (copy_from_user(buf, user_buf, len)) 73 return -EFAULT; 74 75 buf[len] = '\0'; 76 if (strict_strtoul(buf, 0, &mask)) 77 return -EINVAL; 78 79 common->debug_mask = mask; 80 return count; 81 } 82 83 static const struct file_operations fops_debug = { 84 .read = read_file_debug, 85 .write = write_file_debug, 86 .open = ath9k_debugfs_open, 87 .owner = THIS_MODULE, 88 .llseek = default_llseek, 89 }; 90 91 #endif 92 93 #define DMA_BUF_LEN 1024 94 95 static ssize_t read_file_tx_chainmask(struct file *file, char __user *user_buf, 96 size_t count, loff_t *ppos) 97 { 98 struct ath_softc *sc = file->private_data; 99 struct ath_hw *ah = sc->sc_ah; 100 char buf[32]; 101 unsigned int len; 102 103 len = sprintf(buf, "0x%08x\n", ah->txchainmask); 104 return simple_read_from_buffer(user_buf, count, ppos, buf, len); 105 } 106 107 static ssize_t write_file_tx_chainmask(struct file *file, const char __user *user_buf, 108 size_t count, loff_t *ppos) 109 { 110 struct ath_softc *sc = file->private_data; 111 struct ath_hw *ah = sc->sc_ah; 112 unsigned long mask; 113 char buf[32]; 114 ssize_t len; 115 116 len = min(count, sizeof(buf) - 1); 117 if (copy_from_user(buf, user_buf, len)) 118 return -EFAULT; 119 120 buf[len] = '\0'; 121 if (strict_strtoul(buf, 0, &mask)) 122 return -EINVAL; 123 124 ah->txchainmask = mask; 125 ah->caps.tx_chainmask = mask; 126 return count; 127 } 128 129 static const struct file_operations fops_tx_chainmask = { 130 .read = read_file_tx_chainmask, 131 .write = write_file_tx_chainmask, 132 .open = ath9k_debugfs_open, 133 .owner = THIS_MODULE, 134 .llseek = default_llseek, 135 }; 136 137 138 static ssize_t read_file_rx_chainmask(struct file *file, char __user *user_buf, 139 size_t count, loff_t *ppos) 140 { 141 struct ath_softc *sc = file->private_data; 142 struct ath_hw *ah = sc->sc_ah; 143 char buf[32]; 144 unsigned int len; 145 146 len = sprintf(buf, "0x%08x\n", ah->rxchainmask); 147 return simple_read_from_buffer(user_buf, count, ppos, buf, len); 148 } 149 150 static ssize_t write_file_rx_chainmask(struct file *file, const char __user *user_buf, 151 size_t count, loff_t *ppos) 152 { 153 struct ath_softc *sc = file->private_data; 154 struct ath_hw *ah = sc->sc_ah; 155 unsigned long mask; 156 char buf[32]; 157 ssize_t len; 158 159 len = min(count, sizeof(buf) - 1); 160 if (copy_from_user(buf, user_buf, len)) 161 return -EFAULT; 162 163 buf[len] = '\0'; 164 if (strict_strtoul(buf, 0, &mask)) 165 return -EINVAL; 166 167 ah->rxchainmask = mask; 168 ah->caps.rx_chainmask = mask; 169 return count; 170 } 171 172 static const struct file_operations fops_rx_chainmask = { 173 .read = read_file_rx_chainmask, 174 .write = write_file_rx_chainmask, 175 .open = ath9k_debugfs_open, 176 .owner = THIS_MODULE, 177 .llseek = default_llseek, 178 }; 179 180 static ssize_t read_file_disable_ani(struct file *file, char __user *user_buf, 181 size_t count, loff_t *ppos) 182 { 183 struct ath_softc *sc = file->private_data; 184 struct ath_common *common = ath9k_hw_common(sc->sc_ah); 185 char buf[32]; 186 unsigned int len; 187 188 len = sprintf(buf, "%d\n", common->disable_ani); 189 return simple_read_from_buffer(user_buf, count, ppos, buf, len); 190 } 191 192 static ssize_t write_file_disable_ani(struct file *file, 193 const char __user *user_buf, 194 size_t count, loff_t *ppos) 195 { 196 struct ath_softc *sc = file->private_data; 197 struct ath_common *common = ath9k_hw_common(sc->sc_ah); 198 unsigned long disable_ani; 199 char buf[32]; 200 ssize_t len; 201 202 len = min(count, sizeof(buf) - 1); 203 if (copy_from_user(buf, user_buf, len)) 204 return -EFAULT; 205 206 buf[len] = '\0'; 207 if (strict_strtoul(buf, 0, &disable_ani)) 208 return -EINVAL; 209 210 common->disable_ani = !!disable_ani; 211 212 if (disable_ani) { 213 sc->sc_flags &= ~SC_OP_ANI_RUN; 214 del_timer_sync(&common->ani.timer); 215 } else { 216 sc->sc_flags |= SC_OP_ANI_RUN; 217 ath_start_ani(common); 218 } 219 220 return count; 221 } 222 223 static const struct file_operations fops_disable_ani = { 224 .read = read_file_disable_ani, 225 .write = write_file_disable_ani, 226 .open = ath9k_debugfs_open, 227 .owner = THIS_MODULE, 228 .llseek = default_llseek, 229 }; 230 231 static ssize_t read_file_dma(struct file *file, char __user *user_buf, 232 size_t count, loff_t *ppos) 233 { 234 struct ath_softc *sc = file->private_data; 235 struct ath_hw *ah = sc->sc_ah; 236 char *buf; 237 int retval; 238 unsigned int len = 0; 239 u32 val[ATH9K_NUM_DMA_DEBUG_REGS]; 240 int i, qcuOffset = 0, dcuOffset = 0; 241 u32 *qcuBase = &val[0], *dcuBase = &val[4]; 242 243 buf = kmalloc(DMA_BUF_LEN, GFP_KERNEL); 244 if (!buf) 245 return -ENOMEM; 246 247 ath9k_ps_wakeup(sc); 248 249 REG_WRITE_D(ah, AR_MACMISC, 250 ((AR_MACMISC_DMA_OBS_LINE_8 << AR_MACMISC_DMA_OBS_S) | 251 (AR_MACMISC_MISC_OBS_BUS_1 << 252 AR_MACMISC_MISC_OBS_BUS_MSB_S))); 253 254 len += snprintf(buf + len, DMA_BUF_LEN - len, 255 "Raw DMA Debug values:\n"); 256 257 for (i = 0; i < ATH9K_NUM_DMA_DEBUG_REGS; i++) { 258 if (i % 4 == 0) 259 len += snprintf(buf + len, DMA_BUF_LEN - len, "\n"); 260 261 val[i] = REG_READ_D(ah, AR_DMADBG_0 + (i * sizeof(u32))); 262 len += snprintf(buf + len, DMA_BUF_LEN - len, "%d: %08x ", 263 i, val[i]); 264 } 265 266 len += snprintf(buf + len, DMA_BUF_LEN - len, "\n\n"); 267 len += snprintf(buf + len, DMA_BUF_LEN - len, 268 "Num QCU: chain_st fsp_ok fsp_st DCU: chain_st\n"); 269 270 for (i = 0; i < ATH9K_NUM_QUEUES; i++, qcuOffset += 4, dcuOffset += 5) { 271 if (i == 8) { 272 qcuOffset = 0; 273 qcuBase++; 274 } 275 276 if (i == 6) { 277 dcuOffset = 0; 278 dcuBase++; 279 } 280 281 len += snprintf(buf + len, DMA_BUF_LEN - len, 282 "%2d %2x %1x %2x %2x\n", 283 i, (*qcuBase & (0x7 << qcuOffset)) >> qcuOffset, 284 (*qcuBase & (0x8 << qcuOffset)) >> (qcuOffset + 3), 285 val[2] & (0x7 << (i * 3)) >> (i * 3), 286 (*dcuBase & (0x1f << dcuOffset)) >> dcuOffset); 287 } 288 289 len += snprintf(buf + len, DMA_BUF_LEN - len, "\n"); 290 291 len += snprintf(buf + len, DMA_BUF_LEN - len, 292 "qcu_stitch state: %2x qcu_fetch state: %2x\n", 293 (val[3] & 0x003c0000) >> 18, (val[3] & 0x03c00000) >> 22); 294 len += snprintf(buf + len, DMA_BUF_LEN - len, 295 "qcu_complete state: %2x dcu_complete state: %2x\n", 296 (val[3] & 0x1c000000) >> 26, (val[6] & 0x3)); 297 len += snprintf(buf + len, DMA_BUF_LEN - len, 298 "dcu_arb state: %2x dcu_fp state: %2x\n", 299 (val[5] & 0x06000000) >> 25, (val[5] & 0x38000000) >> 27); 300 len += snprintf(buf + len, DMA_BUF_LEN - len, 301 "chan_idle_dur: %3d chan_idle_dur_valid: %1d\n", 302 (val[6] & 0x000003fc) >> 2, (val[6] & 0x00000400) >> 10); 303 len += snprintf(buf + len, DMA_BUF_LEN - len, 304 "txfifo_valid_0: %1d txfifo_valid_1: %1d\n", 305 (val[6] & 0x00000800) >> 11, (val[6] & 0x00001000) >> 12); 306 len += snprintf(buf + len, DMA_BUF_LEN - len, 307 "txfifo_dcu_num_0: %2d txfifo_dcu_num_1: %2d\n", 308 (val[6] & 0x0001e000) >> 13, (val[6] & 0x001e0000) >> 17); 309 310 len += snprintf(buf + len, DMA_BUF_LEN - len, "pcu observe: 0x%x\n", 311 REG_READ_D(ah, AR_OBS_BUS_1)); 312 len += snprintf(buf + len, DMA_BUF_LEN - len, 313 "AR_CR: 0x%x\n", REG_READ_D(ah, AR_CR)); 314 315 ath9k_ps_restore(sc); 316 317 if (len > DMA_BUF_LEN) 318 len = DMA_BUF_LEN; 319 320 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len); 321 kfree(buf); 322 return retval; 323 } 324 325 static const struct file_operations fops_dma = { 326 .read = read_file_dma, 327 .open = ath9k_debugfs_open, 328 .owner = THIS_MODULE, 329 .llseek = default_llseek, 330 }; 331 332 333 void ath_debug_stat_interrupt(struct ath_softc *sc, enum ath9k_int status) 334 { 335 if (status) 336 sc->debug.stats.istats.total++; 337 if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) { 338 if (status & ATH9K_INT_RXLP) 339 sc->debug.stats.istats.rxlp++; 340 if (status & ATH9K_INT_RXHP) 341 sc->debug.stats.istats.rxhp++; 342 if (status & ATH9K_INT_BB_WATCHDOG) 343 sc->debug.stats.istats.bb_watchdog++; 344 } else { 345 if (status & ATH9K_INT_RX) 346 sc->debug.stats.istats.rxok++; 347 } 348 if (status & ATH9K_INT_RXEOL) 349 sc->debug.stats.istats.rxeol++; 350 if (status & ATH9K_INT_RXORN) 351 sc->debug.stats.istats.rxorn++; 352 if (status & ATH9K_INT_TX) 353 sc->debug.stats.istats.txok++; 354 if (status & ATH9K_INT_TXURN) 355 sc->debug.stats.istats.txurn++; 356 if (status & ATH9K_INT_MIB) 357 sc->debug.stats.istats.mib++; 358 if (status & ATH9K_INT_RXPHY) 359 sc->debug.stats.istats.rxphyerr++; 360 if (status & ATH9K_INT_RXKCM) 361 sc->debug.stats.istats.rx_keycache_miss++; 362 if (status & ATH9K_INT_SWBA) 363 sc->debug.stats.istats.swba++; 364 if (status & ATH9K_INT_BMISS) 365 sc->debug.stats.istats.bmiss++; 366 if (status & ATH9K_INT_BNR) 367 sc->debug.stats.istats.bnr++; 368 if (status & ATH9K_INT_CST) 369 sc->debug.stats.istats.cst++; 370 if (status & ATH9K_INT_GTT) 371 sc->debug.stats.istats.gtt++; 372 if (status & ATH9K_INT_TIM) 373 sc->debug.stats.istats.tim++; 374 if (status & ATH9K_INT_CABEND) 375 sc->debug.stats.istats.cabend++; 376 if (status & ATH9K_INT_DTIMSYNC) 377 sc->debug.stats.istats.dtimsync++; 378 if (status & ATH9K_INT_DTIM) 379 sc->debug.stats.istats.dtim++; 380 if (status & ATH9K_INT_TSFOOR) 381 sc->debug.stats.istats.tsfoor++; 382 } 383 384 static ssize_t read_file_interrupt(struct file *file, char __user *user_buf, 385 size_t count, loff_t *ppos) 386 { 387 struct ath_softc *sc = file->private_data; 388 char buf[512]; 389 unsigned int len = 0; 390 391 if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) { 392 len += snprintf(buf + len, sizeof(buf) - len, 393 "%8s: %10u\n", "RXLP", sc->debug.stats.istats.rxlp); 394 len += snprintf(buf + len, sizeof(buf) - len, 395 "%8s: %10u\n", "RXHP", sc->debug.stats.istats.rxhp); 396 len += snprintf(buf + len, sizeof(buf) - len, 397 "%8s: %10u\n", "WATCHDOG", 398 sc->debug.stats.istats.bb_watchdog); 399 } else { 400 len += snprintf(buf + len, sizeof(buf) - len, 401 "%8s: %10u\n", "RX", sc->debug.stats.istats.rxok); 402 } 403 len += snprintf(buf + len, sizeof(buf) - len, 404 "%8s: %10u\n", "RXEOL", sc->debug.stats.istats.rxeol); 405 len += snprintf(buf + len, sizeof(buf) - len, 406 "%8s: %10u\n", "RXORN", sc->debug.stats.istats.rxorn); 407 len += snprintf(buf + len, sizeof(buf) - len, 408 "%8s: %10u\n", "TX", sc->debug.stats.istats.txok); 409 len += snprintf(buf + len, sizeof(buf) - len, 410 "%8s: %10u\n", "TXURN", sc->debug.stats.istats.txurn); 411 len += snprintf(buf + len, sizeof(buf) - len, 412 "%8s: %10u\n", "MIB", sc->debug.stats.istats.mib); 413 len += snprintf(buf + len, sizeof(buf) - len, 414 "%8s: %10u\n", "RXPHY", sc->debug.stats.istats.rxphyerr); 415 len += snprintf(buf + len, sizeof(buf) - len, 416 "%8s: %10u\n", "RXKCM", sc->debug.stats.istats.rx_keycache_miss); 417 len += snprintf(buf + len, sizeof(buf) - len, 418 "%8s: %10u\n", "SWBA", sc->debug.stats.istats.swba); 419 len += snprintf(buf + len, sizeof(buf) - len, 420 "%8s: %10u\n", "BMISS", sc->debug.stats.istats.bmiss); 421 len += snprintf(buf + len, sizeof(buf) - len, 422 "%8s: %10u\n", "BNR", sc->debug.stats.istats.bnr); 423 len += snprintf(buf + len, sizeof(buf) - len, 424 "%8s: %10u\n", "CST", sc->debug.stats.istats.cst); 425 len += snprintf(buf + len, sizeof(buf) - len, 426 "%8s: %10u\n", "GTT", sc->debug.stats.istats.gtt); 427 len += snprintf(buf + len, sizeof(buf) - len, 428 "%8s: %10u\n", "TIM", sc->debug.stats.istats.tim); 429 len += snprintf(buf + len, sizeof(buf) - len, 430 "%8s: %10u\n", "CABEND", sc->debug.stats.istats.cabend); 431 len += snprintf(buf + len, sizeof(buf) - len, 432 "%8s: %10u\n", "DTIMSYNC", sc->debug.stats.istats.dtimsync); 433 len += snprintf(buf + len, sizeof(buf) - len, 434 "%8s: %10u\n", "DTIM", sc->debug.stats.istats.dtim); 435 len += snprintf(buf + len, sizeof(buf) - len, 436 "%8s: %10u\n", "TSFOOR", sc->debug.stats.istats.tsfoor); 437 len += snprintf(buf + len, sizeof(buf) - len, 438 "%8s: %10u\n", "TOTAL", sc->debug.stats.istats.total); 439 440 441 if (len > sizeof(buf)) 442 len = sizeof(buf); 443 444 return simple_read_from_buffer(user_buf, count, ppos, buf, len); 445 } 446 447 static const struct file_operations fops_interrupt = { 448 .read = read_file_interrupt, 449 .open = ath9k_debugfs_open, 450 .owner = THIS_MODULE, 451 .llseek = default_llseek, 452 }; 453 454 #define PR_QNUM(_n) sc->tx.txq_map[_n]->axq_qnum 455 #define PR(str, elem) \ 456 do { \ 457 len += snprintf(buf + len, size - len, \ 458 "%s%13u%11u%10u%10u\n", str, \ 459 sc->debug.stats.txstats[PR_QNUM(WME_AC_BE)].elem, \ 460 sc->debug.stats.txstats[PR_QNUM(WME_AC_BK)].elem, \ 461 sc->debug.stats.txstats[PR_QNUM(WME_AC_VI)].elem, \ 462 sc->debug.stats.txstats[PR_QNUM(WME_AC_VO)].elem); \ 463 if (len >= size) \ 464 goto done; \ 465 } while(0) 466 467 #define PRX(str, elem) \ 468 do { \ 469 len += snprintf(buf + len, size - len, \ 470 "%s%13u%11u%10u%10u\n", str, \ 471 (unsigned int)(sc->tx.txq_map[WME_AC_BE]->elem), \ 472 (unsigned int)(sc->tx.txq_map[WME_AC_BK]->elem), \ 473 (unsigned int)(sc->tx.txq_map[WME_AC_VI]->elem), \ 474 (unsigned int)(sc->tx.txq_map[WME_AC_VO]->elem)); \ 475 if (len >= size) \ 476 goto done; \ 477 } while(0) 478 479 #define PRQLE(str, elem) \ 480 do { \ 481 len += snprintf(buf + len, size - len, \ 482 "%s%13i%11i%10i%10i\n", str, \ 483 list_empty(&sc->tx.txq_map[WME_AC_BE]->elem), \ 484 list_empty(&sc->tx.txq_map[WME_AC_BK]->elem), \ 485 list_empty(&sc->tx.txq_map[WME_AC_VI]->elem), \ 486 list_empty(&sc->tx.txq_map[WME_AC_VO]->elem)); \ 487 if (len >= size) \ 488 goto done; \ 489 } while (0) 490 491 static ssize_t read_file_xmit(struct file *file, char __user *user_buf, 492 size_t count, loff_t *ppos) 493 { 494 struct ath_softc *sc = file->private_data; 495 char *buf; 496 unsigned int len = 0, size = 8000; 497 int i; 498 ssize_t retval = 0; 499 char tmp[32]; 500 501 buf = kzalloc(size, GFP_KERNEL); 502 if (buf == NULL) 503 return -ENOMEM; 504 505 len += sprintf(buf, "Num-Tx-Queues: %i tx-queues-setup: 0x%x" 506 " poll-work-seen: %u\n" 507 "%30s %10s%10s%10s\n\n", 508 ATH9K_NUM_TX_QUEUES, sc->tx.txqsetup, 509 sc->tx_complete_poll_work_seen, 510 "BE", "BK", "VI", "VO"); 511 512 PR("MPDUs Queued: ", queued); 513 PR("MPDUs Completed: ", completed); 514 PR("MPDUs XRetried: ", xretries); 515 PR("Aggregates: ", a_aggr); 516 PR("AMPDUs Queued HW:", a_queued_hw); 517 PR("AMPDUs Queued SW:", a_queued_sw); 518 PR("AMPDUs Completed:", a_completed); 519 PR("AMPDUs Retried: ", a_retries); 520 PR("AMPDUs XRetried: ", a_xretries); 521 PR("FIFO Underrun: ", fifo_underrun); 522 PR("TXOP Exceeded: ", xtxop); 523 PR("TXTIMER Expiry: ", timer_exp); 524 PR("DESC CFG Error: ", desc_cfg_err); 525 PR("DATA Underrun: ", data_underrun); 526 PR("DELIM Underrun: ", delim_underrun); 527 PR("TX-Pkts-All: ", tx_pkts_all); 528 PR("TX-Bytes-All: ", tx_bytes_all); 529 PR("hw-put-tx-buf: ", puttxbuf); 530 PR("hw-tx-start: ", txstart); 531 PR("hw-tx-proc-desc: ", txprocdesc); 532 len += snprintf(buf + len, size - len, 533 "%s%11p%11p%10p%10p\n", "txq-memory-address:", 534 sc->tx.txq_map[WME_AC_BE], 535 sc->tx.txq_map[WME_AC_BK], 536 sc->tx.txq_map[WME_AC_VI], 537 sc->tx.txq_map[WME_AC_VO]); 538 if (len >= size) 539 goto done; 540 541 PRX("axq-qnum: ", axq_qnum); 542 PRX("axq-depth: ", axq_depth); 543 PRX("axq-ampdu_depth: ", axq_ampdu_depth); 544 PRX("axq-stopped ", stopped); 545 PRX("tx-in-progress ", axq_tx_inprogress); 546 PRX("pending-frames ", pending_frames); 547 PRX("txq_headidx: ", txq_headidx); 548 PRX("txq_tailidx: ", txq_headidx); 549 550 PRQLE("axq_q empty: ", axq_q); 551 PRQLE("axq_acq empty: ", axq_acq); 552 for (i = 0; i < ATH_TXFIFO_DEPTH; i++) { 553 snprintf(tmp, sizeof(tmp) - 1, "txq_fifo[%i] empty: ", i); 554 PRQLE(tmp, txq_fifo[i]); 555 } 556 557 /* Print out more detailed queue-info */ 558 for (i = 0; i <= WME_AC_BK; i++) { 559 struct ath_txq *txq = &(sc->tx.txq[i]); 560 struct ath_atx_ac *ac; 561 struct ath_atx_tid *tid; 562 if (len >= size) 563 goto done; 564 spin_lock_bh(&txq->axq_lock); 565 if (!list_empty(&txq->axq_acq)) { 566 ac = list_first_entry(&txq->axq_acq, struct ath_atx_ac, 567 list); 568 len += snprintf(buf + len, size - len, 569 "txq[%i] first-ac: %p sched: %i\n", 570 i, ac, ac->sched); 571 if (list_empty(&ac->tid_q) || (len >= size)) 572 goto done_for; 573 tid = list_first_entry(&ac->tid_q, struct ath_atx_tid, 574 list); 575 len += snprintf(buf + len, size - len, 576 " first-tid: %p sched: %i paused: %i\n", 577 tid, tid->sched, tid->paused); 578 } 579 done_for: 580 spin_unlock_bh(&txq->axq_lock); 581 } 582 583 done: 584 if (len > size) 585 len = size; 586 587 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len); 588 kfree(buf); 589 590 return retval; 591 } 592 593 static ssize_t read_file_stations(struct file *file, char __user *user_buf, 594 size_t count, loff_t *ppos) 595 { 596 struct ath_softc *sc = file->private_data; 597 char *buf; 598 unsigned int len = 0, size = 64000; 599 struct ath_node *an = NULL; 600 ssize_t retval = 0; 601 int q; 602 603 buf = kzalloc(size, GFP_KERNEL); 604 if (buf == NULL) 605 return -ENOMEM; 606 607 len += snprintf(buf + len, size - len, 608 "Stations:\n" 609 " tid: addr sched paused buf_q-empty an ac baw\n" 610 " ac: addr sched tid_q-empty txq\n"); 611 612 spin_lock(&sc->nodes_lock); 613 list_for_each_entry(an, &sc->nodes, list) { 614 unsigned short ma = an->maxampdu; 615 if (ma == 0) 616 ma = 65535; /* see ath_lookup_rate */ 617 len += snprintf(buf + len, size - len, 618 "iface: %pM sta: %pM max-ampdu: %hu mpdu-density: %uus\n", 619 an->vif->addr, an->sta->addr, ma, 620 (unsigned int)(an->mpdudensity)); 621 if (len >= size) 622 goto done; 623 624 for (q = 0; q < WME_NUM_TID; q++) { 625 struct ath_atx_tid *tid = &(an->tid[q]); 626 len += snprintf(buf + len, size - len, 627 " tid: %p %s %s %i %p %p %hu\n", 628 tid, tid->sched ? "sched" : "idle", 629 tid->paused ? "paused" : "running", 630 skb_queue_empty(&tid->buf_q), 631 tid->an, tid->ac, tid->baw_size); 632 if (len >= size) 633 goto done; 634 } 635 636 for (q = 0; q < WME_NUM_AC; q++) { 637 struct ath_atx_ac *ac = &(an->ac[q]); 638 len += snprintf(buf + len, size - len, 639 " ac: %p %s %i %p\n", 640 ac, ac->sched ? "sched" : "idle", 641 list_empty(&ac->tid_q), ac->txq); 642 if (len >= size) 643 goto done; 644 } 645 } 646 647 done: 648 spin_unlock(&sc->nodes_lock); 649 if (len > size) 650 len = size; 651 652 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len); 653 kfree(buf); 654 655 return retval; 656 } 657 658 static ssize_t read_file_misc(struct file *file, char __user *user_buf, 659 size_t count, loff_t *ppos) 660 { 661 struct ath_softc *sc = file->private_data; 662 struct ath_common *common = ath9k_hw_common(sc->sc_ah); 663 struct ieee80211_hw *hw = sc->hw; 664 struct ath9k_vif_iter_data iter_data; 665 char buf[512]; 666 unsigned int len = 0; 667 ssize_t retval = 0; 668 unsigned int reg; 669 u32 rxfilter; 670 671 len += snprintf(buf + len, sizeof(buf) - len, 672 "BSSID: %pM\n", common->curbssid); 673 len += snprintf(buf + len, sizeof(buf) - len, 674 "BSSID-MASK: %pM\n", common->bssidmask); 675 len += snprintf(buf + len, sizeof(buf) - len, 676 "OPMODE: %s\n", ath_opmode_to_string(sc->sc_ah->opmode)); 677 678 ath9k_ps_wakeup(sc); 679 rxfilter = ath9k_hw_getrxfilter(sc->sc_ah); 680 ath9k_ps_restore(sc); 681 682 len += snprintf(buf + len, sizeof(buf) - len, 683 "RXFILTER: 0x%x", rxfilter); 684 685 if (rxfilter & ATH9K_RX_FILTER_UCAST) 686 len += snprintf(buf + len, sizeof(buf) - len, " UCAST"); 687 if (rxfilter & ATH9K_RX_FILTER_MCAST) 688 len += snprintf(buf + len, sizeof(buf) - len, " MCAST"); 689 if (rxfilter & ATH9K_RX_FILTER_BCAST) 690 len += snprintf(buf + len, sizeof(buf) - len, " BCAST"); 691 if (rxfilter & ATH9K_RX_FILTER_CONTROL) 692 len += snprintf(buf + len, sizeof(buf) - len, " CONTROL"); 693 if (rxfilter & ATH9K_RX_FILTER_BEACON) 694 len += snprintf(buf + len, sizeof(buf) - len, " BEACON"); 695 if (rxfilter & ATH9K_RX_FILTER_PROM) 696 len += snprintf(buf + len, sizeof(buf) - len, " PROM"); 697 if (rxfilter & ATH9K_RX_FILTER_PROBEREQ) 698 len += snprintf(buf + len, sizeof(buf) - len, " PROBEREQ"); 699 if (rxfilter & ATH9K_RX_FILTER_PHYERR) 700 len += snprintf(buf + len, sizeof(buf) - len, " PHYERR"); 701 if (rxfilter & ATH9K_RX_FILTER_MYBEACON) 702 len += snprintf(buf + len, sizeof(buf) - len, " MYBEACON"); 703 if (rxfilter & ATH9K_RX_FILTER_COMP_BAR) 704 len += snprintf(buf + len, sizeof(buf) - len, " COMP_BAR"); 705 if (rxfilter & ATH9K_RX_FILTER_PSPOLL) 706 len += snprintf(buf + len, sizeof(buf) - len, " PSPOLL"); 707 if (rxfilter & ATH9K_RX_FILTER_PHYRADAR) 708 len += snprintf(buf + len, sizeof(buf) - len, " PHYRADAR"); 709 if (rxfilter & ATH9K_RX_FILTER_MCAST_BCAST_ALL) 710 len += snprintf(buf + len, sizeof(buf) - len, " MCAST_BCAST_ALL"); 711 if (rxfilter & ATH9K_RX_FILTER_CONTROL_WRAPPER) 712 len += snprintf(buf + len, sizeof(buf) - len, " CONTROL_WRAPPER"); 713 714 len += snprintf(buf + len, sizeof(buf) - len, "\n"); 715 716 reg = sc->sc_ah->imask; 717 718 len += snprintf(buf + len, sizeof(buf) - len, "INTERRUPT-MASK: 0x%x", reg); 719 720 if (reg & ATH9K_INT_SWBA) 721 len += snprintf(buf + len, sizeof(buf) - len, " SWBA"); 722 if (reg & ATH9K_INT_BMISS) 723 len += snprintf(buf + len, sizeof(buf) - len, " BMISS"); 724 if (reg & ATH9K_INT_CST) 725 len += snprintf(buf + len, sizeof(buf) - len, " CST"); 726 if (reg & ATH9K_INT_RX) 727 len += snprintf(buf + len, sizeof(buf) - len, " RX"); 728 if (reg & ATH9K_INT_RXHP) 729 len += snprintf(buf + len, sizeof(buf) - len, " RXHP"); 730 if (reg & ATH9K_INT_RXLP) 731 len += snprintf(buf + len, sizeof(buf) - len, " RXLP"); 732 if (reg & ATH9K_INT_BB_WATCHDOG) 733 len += snprintf(buf + len, sizeof(buf) - len, " BB_WATCHDOG"); 734 735 len += snprintf(buf + len, sizeof(buf) - len, "\n"); 736 737 ath9k_calculate_iter_data(hw, NULL, &iter_data); 738 739 len += snprintf(buf + len, sizeof(buf) - len, 740 "VIF-COUNTS: AP: %i STA: %i MESH: %i WDS: %i" 741 " ADHOC: %i OTHER: %i TOTAL: %hi BEACON-VIF: %hi\n", 742 iter_data.naps, iter_data.nstations, iter_data.nmeshes, 743 iter_data.nwds, iter_data.nadhocs, iter_data.nothers, 744 sc->nvifs, sc->nbcnvifs); 745 746 if (len > sizeof(buf)) 747 len = sizeof(buf); 748 749 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len); 750 return retval; 751 } 752 753 static ssize_t read_file_reset(struct file *file, char __user *user_buf, 754 size_t count, loff_t *ppos) 755 { 756 struct ath_softc *sc = file->private_data; 757 char buf[512]; 758 unsigned int len = 0; 759 760 len += snprintf(buf + len, sizeof(buf) - len, 761 "%17s: %2d\n", "Baseband Hang", 762 sc->debug.stats.reset[RESET_TYPE_BB_HANG]); 763 len += snprintf(buf + len, sizeof(buf) - len, 764 "%17s: %2d\n", "Baseband Watchdog", 765 sc->debug.stats.reset[RESET_TYPE_BB_WATCHDOG]); 766 len += snprintf(buf + len, sizeof(buf) - len, 767 "%17s: %2d\n", "Fatal HW Error", 768 sc->debug.stats.reset[RESET_TYPE_FATAL_INT]); 769 len += snprintf(buf + len, sizeof(buf) - len, 770 "%17s: %2d\n", "TX HW error", 771 sc->debug.stats.reset[RESET_TYPE_TX_ERROR]); 772 len += snprintf(buf + len, sizeof(buf) - len, 773 "%17s: %2d\n", "TX Path Hang", 774 sc->debug.stats.reset[RESET_TYPE_TX_HANG]); 775 len += snprintf(buf + len, sizeof(buf) - len, 776 "%17s: %2d\n", "PLL RX Hang", 777 sc->debug.stats.reset[RESET_TYPE_PLL_HANG]); 778 779 if (len > sizeof(buf)) 780 len = sizeof(buf); 781 782 return simple_read_from_buffer(user_buf, count, ppos, buf, len); 783 } 784 785 void ath_debug_stat_tx(struct ath_softc *sc, struct ath_buf *bf, 786 struct ath_tx_status *ts, struct ath_txq *txq, 787 unsigned int flags) 788 { 789 #define TX_SAMP_DBG(c) (sc->debug.bb_mac_samp[sc->debug.sampidx].ts\ 790 [sc->debug.tsidx].c) 791 int qnum = txq->axq_qnum; 792 793 TX_STAT_INC(qnum, tx_pkts_all); 794 sc->debug.stats.txstats[qnum].tx_bytes_all += bf->bf_mpdu->len; 795 796 if (bf_isampdu(bf)) { 797 if (flags & ATH_TX_ERROR) 798 TX_STAT_INC(qnum, a_xretries); 799 else 800 TX_STAT_INC(qnum, a_completed); 801 } else { 802 if (ts->ts_status & ATH9K_TXERR_XRETRY) 803 TX_STAT_INC(qnum, xretries); 804 else 805 TX_STAT_INC(qnum, completed); 806 } 807 808 if (ts->ts_status & ATH9K_TXERR_FIFO) 809 TX_STAT_INC(qnum, fifo_underrun); 810 if (ts->ts_status & ATH9K_TXERR_XTXOP) 811 TX_STAT_INC(qnum, xtxop); 812 if (ts->ts_status & ATH9K_TXERR_TIMER_EXPIRED) 813 TX_STAT_INC(qnum, timer_exp); 814 if (ts->ts_flags & ATH9K_TX_DESC_CFG_ERR) 815 TX_STAT_INC(qnum, desc_cfg_err); 816 if (ts->ts_flags & ATH9K_TX_DATA_UNDERRUN) 817 TX_STAT_INC(qnum, data_underrun); 818 if (ts->ts_flags & ATH9K_TX_DELIM_UNDERRUN) 819 TX_STAT_INC(qnum, delim_underrun); 820 821 spin_lock(&sc->debug.samp_lock); 822 TX_SAMP_DBG(jiffies) = jiffies; 823 TX_SAMP_DBG(rssi_ctl0) = ts->ts_rssi_ctl0; 824 TX_SAMP_DBG(rssi_ctl1) = ts->ts_rssi_ctl1; 825 TX_SAMP_DBG(rssi_ctl2) = ts->ts_rssi_ctl2; 826 TX_SAMP_DBG(rssi_ext0) = ts->ts_rssi_ext0; 827 TX_SAMP_DBG(rssi_ext1) = ts->ts_rssi_ext1; 828 TX_SAMP_DBG(rssi_ext2) = ts->ts_rssi_ext2; 829 TX_SAMP_DBG(rateindex) = ts->ts_rateindex; 830 TX_SAMP_DBG(isok) = !!(ts->ts_status & ATH9K_TXERR_MASK); 831 TX_SAMP_DBG(rts_fail_cnt) = ts->ts_shortretry; 832 TX_SAMP_DBG(data_fail_cnt) = ts->ts_longretry; 833 TX_SAMP_DBG(rssi) = ts->ts_rssi; 834 TX_SAMP_DBG(tid) = ts->tid; 835 TX_SAMP_DBG(qid) = ts->qid; 836 837 if (ts->ts_flags & ATH9K_TX_BA) { 838 TX_SAMP_DBG(ba_low) = ts->ba_low; 839 TX_SAMP_DBG(ba_high) = ts->ba_high; 840 } else { 841 TX_SAMP_DBG(ba_low) = 0; 842 TX_SAMP_DBG(ba_high) = 0; 843 } 844 845 sc->debug.tsidx = (sc->debug.tsidx + 1) % ATH_DBG_MAX_SAMPLES; 846 spin_unlock(&sc->debug.samp_lock); 847 848 #undef TX_SAMP_DBG 849 } 850 851 static const struct file_operations fops_xmit = { 852 .read = read_file_xmit, 853 .open = ath9k_debugfs_open, 854 .owner = THIS_MODULE, 855 .llseek = default_llseek, 856 }; 857 858 static const struct file_operations fops_stations = { 859 .read = read_file_stations, 860 .open = ath9k_debugfs_open, 861 .owner = THIS_MODULE, 862 .llseek = default_llseek, 863 }; 864 865 static const struct file_operations fops_misc = { 866 .read = read_file_misc, 867 .open = ath9k_debugfs_open, 868 .owner = THIS_MODULE, 869 .llseek = default_llseek, 870 }; 871 872 static const struct file_operations fops_reset = { 873 .read = read_file_reset, 874 .open = ath9k_debugfs_open, 875 .owner = THIS_MODULE, 876 .llseek = default_llseek, 877 }; 878 879 static ssize_t read_file_recv(struct file *file, char __user *user_buf, 880 size_t count, loff_t *ppos) 881 { 882 #define PHY_ERR(s, p) \ 883 len += snprintf(buf + len, size - len, "%22s : %10u\n", s, \ 884 sc->debug.stats.rxstats.phy_err_stats[p]); 885 886 struct ath_softc *sc = file->private_data; 887 char *buf; 888 unsigned int len = 0, size = 1600; 889 ssize_t retval = 0; 890 891 buf = kzalloc(size, GFP_KERNEL); 892 if (buf == NULL) 893 return -ENOMEM; 894 895 len += snprintf(buf + len, size - len, 896 "%22s : %10u\n", "CRC ERR", 897 sc->debug.stats.rxstats.crc_err); 898 len += snprintf(buf + len, size - len, 899 "%22s : %10u\n", "DECRYPT CRC ERR", 900 sc->debug.stats.rxstats.decrypt_crc_err); 901 len += snprintf(buf + len, size - len, 902 "%22s : %10u\n", "PHY ERR", 903 sc->debug.stats.rxstats.phy_err); 904 len += snprintf(buf + len, size - len, 905 "%22s : %10u\n", "MIC ERR", 906 sc->debug.stats.rxstats.mic_err); 907 len += snprintf(buf + len, size - len, 908 "%22s : %10u\n", "PRE-DELIM CRC ERR", 909 sc->debug.stats.rxstats.pre_delim_crc_err); 910 len += snprintf(buf + len, size - len, 911 "%22s : %10u\n", "POST-DELIM CRC ERR", 912 sc->debug.stats.rxstats.post_delim_crc_err); 913 len += snprintf(buf + len, size - len, 914 "%22s : %10u\n", "DECRYPT BUSY ERR", 915 sc->debug.stats.rxstats.decrypt_busy_err); 916 917 PHY_ERR("UNDERRUN ERR", ATH9K_PHYERR_UNDERRUN); 918 PHY_ERR("TIMING ERR", ATH9K_PHYERR_TIMING); 919 PHY_ERR("PARITY ERR", ATH9K_PHYERR_PARITY); 920 PHY_ERR("RATE ERR", ATH9K_PHYERR_RATE); 921 PHY_ERR("LENGTH ERR", ATH9K_PHYERR_LENGTH); 922 PHY_ERR("RADAR ERR", ATH9K_PHYERR_RADAR); 923 PHY_ERR("SERVICE ERR", ATH9K_PHYERR_SERVICE); 924 PHY_ERR("TOR ERR", ATH9K_PHYERR_TOR); 925 PHY_ERR("OFDM-TIMING ERR", ATH9K_PHYERR_OFDM_TIMING); 926 PHY_ERR("OFDM-SIGNAL-PARITY ERR", ATH9K_PHYERR_OFDM_SIGNAL_PARITY); 927 PHY_ERR("OFDM-RATE ERR", ATH9K_PHYERR_OFDM_RATE_ILLEGAL); 928 PHY_ERR("OFDM-LENGTH ERR", ATH9K_PHYERR_OFDM_LENGTH_ILLEGAL); 929 PHY_ERR("OFDM-POWER-DROP ERR", ATH9K_PHYERR_OFDM_POWER_DROP); 930 PHY_ERR("OFDM-SERVICE ERR", ATH9K_PHYERR_OFDM_SERVICE); 931 PHY_ERR("OFDM-RESTART ERR", ATH9K_PHYERR_OFDM_RESTART); 932 PHY_ERR("FALSE-RADAR-EXT ERR", ATH9K_PHYERR_FALSE_RADAR_EXT); 933 PHY_ERR("CCK-TIMING ERR", ATH9K_PHYERR_CCK_TIMING); 934 PHY_ERR("CCK-HEADER-CRC ERR", ATH9K_PHYERR_CCK_HEADER_CRC); 935 PHY_ERR("CCK-RATE ERR", ATH9K_PHYERR_CCK_RATE_ILLEGAL); 936 PHY_ERR("CCK-SERVICE ERR", ATH9K_PHYERR_CCK_SERVICE); 937 PHY_ERR("CCK-RESTART ERR", ATH9K_PHYERR_CCK_RESTART); 938 PHY_ERR("CCK-LENGTH ERR", ATH9K_PHYERR_CCK_LENGTH_ILLEGAL); 939 PHY_ERR("CCK-POWER-DROP ERR", ATH9K_PHYERR_CCK_POWER_DROP); 940 PHY_ERR("HT-CRC ERR", ATH9K_PHYERR_HT_CRC_ERROR); 941 PHY_ERR("HT-LENGTH ERR", ATH9K_PHYERR_HT_LENGTH_ILLEGAL); 942 PHY_ERR("HT-RATE ERR", ATH9K_PHYERR_HT_RATE_ILLEGAL); 943 944 len += snprintf(buf + len, size - len, 945 "%22s : %10d\n", "RSSI-CTL0", 946 sc->debug.stats.rxstats.rs_rssi_ctl0); 947 len += snprintf(buf + len, size - len, 948 "%22s : %10d\n", "RSSI-CTL1", 949 sc->debug.stats.rxstats.rs_rssi_ctl1); 950 len += snprintf(buf + len, size - len, 951 "%22s : %10d\n", "RSSI-CTL2", 952 sc->debug.stats.rxstats.rs_rssi_ctl2); 953 len += snprintf(buf + len, size - len, 954 "%22s : %10d\n", "RSSI-EXT0", 955 sc->debug.stats.rxstats.rs_rssi_ext0); 956 len += snprintf(buf + len, size - len, 957 "%22s : %10d\n", "RSSI-EXT1", 958 sc->debug.stats.rxstats.rs_rssi_ext1); 959 len += snprintf(buf + len, size - len, 960 "%22s : %10d\n", "RSSI-EXT2", 961 sc->debug.stats.rxstats.rs_rssi_ext2); 962 len += snprintf(buf + len, size - len, 963 "%22s : %10d\n", "Rx Antenna", 964 sc->debug.stats.rxstats.rs_antenna); 965 len += snprintf(buf + len, size - len, 966 "%22s : %10u\n", "RX-Pkts-All", 967 sc->debug.stats.rxstats.rx_pkts_all); 968 len += snprintf(buf + len, size - len, 969 "%22s : %10u\n", "RX-Bytes-All", 970 sc->debug.stats.rxstats.rx_bytes_all); 971 972 if (len > size) 973 len = size; 974 975 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len); 976 kfree(buf); 977 978 return retval; 979 980 #undef PHY_ERR 981 } 982 983 void ath_debug_stat_rx(struct ath_softc *sc, struct ath_rx_status *rs) 984 { 985 #define RX_STAT_INC(c) sc->debug.stats.rxstats.c++ 986 #define RX_PHY_ERR_INC(c) sc->debug.stats.rxstats.phy_err_stats[c]++ 987 #define RX_SAMP_DBG(c) (sc->debug.bb_mac_samp[sc->debug.sampidx].rs\ 988 [sc->debug.rsidx].c) 989 990 RX_STAT_INC(rx_pkts_all); 991 sc->debug.stats.rxstats.rx_bytes_all += rs->rs_datalen; 992 993 if (rs->rs_status & ATH9K_RXERR_CRC) 994 RX_STAT_INC(crc_err); 995 if (rs->rs_status & ATH9K_RXERR_DECRYPT) 996 RX_STAT_INC(decrypt_crc_err); 997 if (rs->rs_status & ATH9K_RXERR_MIC) 998 RX_STAT_INC(mic_err); 999 if (rs->rs_status & ATH9K_RX_DELIM_CRC_PRE) 1000 RX_STAT_INC(pre_delim_crc_err); 1001 if (rs->rs_status & ATH9K_RX_DELIM_CRC_POST) 1002 RX_STAT_INC(post_delim_crc_err); 1003 if (rs->rs_status & ATH9K_RX_DECRYPT_BUSY) 1004 RX_STAT_INC(decrypt_busy_err); 1005 1006 if (rs->rs_status & ATH9K_RXERR_PHY) { 1007 RX_STAT_INC(phy_err); 1008 if (rs->rs_phyerr < ATH9K_PHYERR_MAX) 1009 RX_PHY_ERR_INC(rs->rs_phyerr); 1010 } 1011 1012 sc->debug.stats.rxstats.rs_rssi_ctl0 = rs->rs_rssi_ctl0; 1013 sc->debug.stats.rxstats.rs_rssi_ctl1 = rs->rs_rssi_ctl1; 1014 sc->debug.stats.rxstats.rs_rssi_ctl2 = rs->rs_rssi_ctl2; 1015 1016 sc->debug.stats.rxstats.rs_rssi_ext0 = rs->rs_rssi_ext0; 1017 sc->debug.stats.rxstats.rs_rssi_ext1 = rs->rs_rssi_ext1; 1018 sc->debug.stats.rxstats.rs_rssi_ext2 = rs->rs_rssi_ext2; 1019 1020 sc->debug.stats.rxstats.rs_antenna = rs->rs_antenna; 1021 1022 spin_lock(&sc->debug.samp_lock); 1023 RX_SAMP_DBG(jiffies) = jiffies; 1024 RX_SAMP_DBG(rssi_ctl0) = rs->rs_rssi_ctl0; 1025 RX_SAMP_DBG(rssi_ctl1) = rs->rs_rssi_ctl1; 1026 RX_SAMP_DBG(rssi_ctl2) = rs->rs_rssi_ctl2; 1027 RX_SAMP_DBG(rssi_ext0) = rs->rs_rssi_ext0; 1028 RX_SAMP_DBG(rssi_ext1) = rs->rs_rssi_ext1; 1029 RX_SAMP_DBG(rssi_ext2) = rs->rs_rssi_ext2; 1030 RX_SAMP_DBG(antenna) = rs->rs_antenna; 1031 RX_SAMP_DBG(rssi) = rs->rs_rssi; 1032 RX_SAMP_DBG(rate) = rs->rs_rate; 1033 RX_SAMP_DBG(is_mybeacon) = rs->is_mybeacon; 1034 1035 sc->debug.rsidx = (sc->debug.rsidx + 1) % ATH_DBG_MAX_SAMPLES; 1036 spin_unlock(&sc->debug.samp_lock); 1037 1038 #undef RX_STAT_INC 1039 #undef RX_PHY_ERR_INC 1040 #undef RX_SAMP_DBG 1041 } 1042 1043 static const struct file_operations fops_recv = { 1044 .read = read_file_recv, 1045 .open = ath9k_debugfs_open, 1046 .owner = THIS_MODULE, 1047 .llseek = default_llseek, 1048 }; 1049 1050 static ssize_t read_file_regidx(struct file *file, char __user *user_buf, 1051 size_t count, loff_t *ppos) 1052 { 1053 struct ath_softc *sc = file->private_data; 1054 char buf[32]; 1055 unsigned int len; 1056 1057 len = sprintf(buf, "0x%08x\n", sc->debug.regidx); 1058 return simple_read_from_buffer(user_buf, count, ppos, buf, len); 1059 } 1060 1061 static ssize_t write_file_regidx(struct file *file, const char __user *user_buf, 1062 size_t count, loff_t *ppos) 1063 { 1064 struct ath_softc *sc = file->private_data; 1065 unsigned long regidx; 1066 char buf[32]; 1067 ssize_t len; 1068 1069 len = min(count, sizeof(buf) - 1); 1070 if (copy_from_user(buf, user_buf, len)) 1071 return -EFAULT; 1072 1073 buf[len] = '\0'; 1074 if (strict_strtoul(buf, 0, ®idx)) 1075 return -EINVAL; 1076 1077 sc->debug.regidx = regidx; 1078 return count; 1079 } 1080 1081 static const struct file_operations fops_regidx = { 1082 .read = read_file_regidx, 1083 .write = write_file_regidx, 1084 .open = ath9k_debugfs_open, 1085 .owner = THIS_MODULE, 1086 .llseek = default_llseek, 1087 }; 1088 1089 static ssize_t read_file_regval(struct file *file, char __user *user_buf, 1090 size_t count, loff_t *ppos) 1091 { 1092 struct ath_softc *sc = file->private_data; 1093 struct ath_hw *ah = sc->sc_ah; 1094 char buf[32]; 1095 unsigned int len; 1096 u32 regval; 1097 1098 ath9k_ps_wakeup(sc); 1099 regval = REG_READ_D(ah, sc->debug.regidx); 1100 ath9k_ps_restore(sc); 1101 len = sprintf(buf, "0x%08x\n", regval); 1102 return simple_read_from_buffer(user_buf, count, ppos, buf, len); 1103 } 1104 1105 static ssize_t write_file_regval(struct file *file, const char __user *user_buf, 1106 size_t count, loff_t *ppos) 1107 { 1108 struct ath_softc *sc = file->private_data; 1109 struct ath_hw *ah = sc->sc_ah; 1110 unsigned long regval; 1111 char buf[32]; 1112 ssize_t len; 1113 1114 len = min(count, sizeof(buf) - 1); 1115 if (copy_from_user(buf, user_buf, len)) 1116 return -EFAULT; 1117 1118 buf[len] = '\0'; 1119 if (strict_strtoul(buf, 0, ®val)) 1120 return -EINVAL; 1121 1122 ath9k_ps_wakeup(sc); 1123 REG_WRITE_D(ah, sc->debug.regidx, regval); 1124 ath9k_ps_restore(sc); 1125 return count; 1126 } 1127 1128 static const struct file_operations fops_regval = { 1129 .read = read_file_regval, 1130 .write = write_file_regval, 1131 .open = ath9k_debugfs_open, 1132 .owner = THIS_MODULE, 1133 .llseek = default_llseek, 1134 }; 1135 1136 #define REGDUMP_LINE_SIZE 20 1137 1138 static int open_file_regdump(struct inode *inode, struct file *file) 1139 { 1140 struct ath_softc *sc = inode->i_private; 1141 unsigned int len = 0; 1142 u8 *buf; 1143 int i; 1144 unsigned long num_regs, regdump_len, max_reg_offset; 1145 1146 max_reg_offset = AR_SREV_9300_20_OR_LATER(sc->sc_ah) ? 0x16bd4 : 0xb500; 1147 num_regs = max_reg_offset / 4 + 1; 1148 regdump_len = num_regs * REGDUMP_LINE_SIZE + 1; 1149 buf = vmalloc(regdump_len); 1150 if (!buf) 1151 return -ENOMEM; 1152 1153 ath9k_ps_wakeup(sc); 1154 for (i = 0; i < num_regs; i++) 1155 len += scnprintf(buf + len, regdump_len - len, 1156 "0x%06x 0x%08x\n", i << 2, REG_READ(sc->sc_ah, i << 2)); 1157 ath9k_ps_restore(sc); 1158 1159 file->private_data = buf; 1160 1161 return 0; 1162 } 1163 1164 static const struct file_operations fops_regdump = { 1165 .open = open_file_regdump, 1166 .read = ath9k_debugfs_read_buf, 1167 .release = ath9k_debugfs_release_buf, 1168 .owner = THIS_MODULE, 1169 .llseek = default_llseek,/* read accesses f_pos */ 1170 }; 1171 1172 static ssize_t read_file_dump_nfcal(struct file *file, char __user *user_buf, 1173 size_t count, loff_t *ppos) 1174 { 1175 struct ath_softc *sc = file->private_data; 1176 struct ath_hw *ah = sc->sc_ah; 1177 struct ath9k_nfcal_hist *h = sc->caldata.nfCalHist; 1178 struct ath_common *common = ath9k_hw_common(ah); 1179 struct ieee80211_conf *conf = &common->hw->conf; 1180 u32 len = 0, size = 1500; 1181 u32 i, j; 1182 ssize_t retval = 0; 1183 char *buf; 1184 u8 chainmask = (ah->rxchainmask << 3) | ah->rxchainmask; 1185 u8 nread; 1186 1187 buf = kzalloc(size, GFP_KERNEL); 1188 if (!buf) 1189 return -ENOMEM; 1190 1191 len += snprintf(buf + len, size - len, 1192 "Channel Noise Floor : %d\n", ah->noise); 1193 len += snprintf(buf + len, size - len, 1194 "Chain | privNF | # Readings | NF Readings\n"); 1195 for (i = 0; i < NUM_NF_READINGS; i++) { 1196 if (!(chainmask & (1 << i)) || 1197 ((i >= AR5416_MAX_CHAINS) && !conf_is_ht40(conf))) 1198 continue; 1199 1200 nread = AR_PHY_CCA_FILTERWINDOW_LENGTH - h[i].invalidNFcount; 1201 len += snprintf(buf + len, size - len, " %d\t %d\t %d\t\t", 1202 i, h[i].privNF, nread); 1203 for (j = 0; j < nread; j++) 1204 len += snprintf(buf + len, size - len, 1205 " %d", h[i].nfCalBuffer[j]); 1206 len += snprintf(buf + len, size - len, "\n"); 1207 } 1208 1209 if (len > size) 1210 len = size; 1211 1212 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len); 1213 kfree(buf); 1214 1215 return retval; 1216 } 1217 1218 static const struct file_operations fops_dump_nfcal = { 1219 .read = read_file_dump_nfcal, 1220 .open = ath9k_debugfs_open, 1221 .owner = THIS_MODULE, 1222 .llseek = default_llseek, 1223 }; 1224 1225 static ssize_t read_file_base_eeprom(struct file *file, char __user *user_buf, 1226 size_t count, loff_t *ppos) 1227 { 1228 struct ath_softc *sc = file->private_data; 1229 struct ath_hw *ah = sc->sc_ah; 1230 u32 len = 0, size = 1500; 1231 ssize_t retval = 0; 1232 char *buf; 1233 1234 buf = kzalloc(size, GFP_KERNEL); 1235 if (!buf) 1236 return -ENOMEM; 1237 1238 len = ah->eep_ops->dump_eeprom(ah, true, buf, len, size); 1239 1240 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len); 1241 kfree(buf); 1242 1243 return retval; 1244 } 1245 1246 static const struct file_operations fops_base_eeprom = { 1247 .read = read_file_base_eeprom, 1248 .open = ath9k_debugfs_open, 1249 .owner = THIS_MODULE, 1250 .llseek = default_llseek, 1251 }; 1252 1253 static ssize_t read_file_modal_eeprom(struct file *file, char __user *user_buf, 1254 size_t count, loff_t *ppos) 1255 { 1256 struct ath_softc *sc = file->private_data; 1257 struct ath_hw *ah = sc->sc_ah; 1258 u32 len = 0, size = 6000; 1259 char *buf; 1260 size_t retval; 1261 1262 buf = kzalloc(size, GFP_KERNEL); 1263 if (buf == NULL) 1264 return -ENOMEM; 1265 1266 len = ah->eep_ops->dump_eeprom(ah, false, buf, len, size); 1267 1268 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len); 1269 kfree(buf); 1270 1271 return retval; 1272 } 1273 1274 static const struct file_operations fops_modal_eeprom = { 1275 .read = read_file_modal_eeprom, 1276 .open = ath9k_debugfs_open, 1277 .owner = THIS_MODULE, 1278 .llseek = default_llseek, 1279 }; 1280 1281 void ath9k_debug_samp_bb_mac(struct ath_softc *sc) 1282 { 1283 #define ATH_SAMP_DBG(c) (sc->debug.bb_mac_samp[sc->debug.sampidx].c) 1284 struct ath_hw *ah = sc->sc_ah; 1285 struct ath_common *common = ath9k_hw_common(ah); 1286 unsigned long flags; 1287 int i; 1288 1289 ath9k_ps_wakeup(sc); 1290 1291 spin_lock_bh(&sc->debug.samp_lock); 1292 1293 spin_lock_irqsave(&common->cc_lock, flags); 1294 ath_hw_cycle_counters_update(common); 1295 1296 ATH_SAMP_DBG(cc.cycles) = common->cc_ani.cycles; 1297 ATH_SAMP_DBG(cc.rx_busy) = common->cc_ani.rx_busy; 1298 ATH_SAMP_DBG(cc.rx_frame) = common->cc_ani.rx_frame; 1299 ATH_SAMP_DBG(cc.tx_frame) = common->cc_ani.tx_frame; 1300 spin_unlock_irqrestore(&common->cc_lock, flags); 1301 1302 ATH_SAMP_DBG(noise) = ah->noise; 1303 1304 REG_WRITE_D(ah, AR_MACMISC, 1305 ((AR_MACMISC_DMA_OBS_LINE_8 << AR_MACMISC_DMA_OBS_S) | 1306 (AR_MACMISC_MISC_OBS_BUS_1 << 1307 AR_MACMISC_MISC_OBS_BUS_MSB_S))); 1308 1309 for (i = 0; i < ATH9K_NUM_DMA_DEBUG_REGS; i++) 1310 ATH_SAMP_DBG(dma_dbg_reg_vals[i]) = REG_READ_D(ah, 1311 AR_DMADBG_0 + (i * sizeof(u32))); 1312 1313 ATH_SAMP_DBG(pcu_obs) = REG_READ_D(ah, AR_OBS_BUS_1); 1314 ATH_SAMP_DBG(pcu_cr) = REG_READ_D(ah, AR_CR); 1315 1316 memcpy(ATH_SAMP_DBG(nfCalHist), sc->caldata.nfCalHist, 1317 sizeof(ATH_SAMP_DBG(nfCalHist))); 1318 1319 sc->debug.sampidx = (sc->debug.sampidx + 1) % ATH_DBG_MAX_SAMPLES; 1320 spin_unlock_bh(&sc->debug.samp_lock); 1321 ath9k_ps_restore(sc); 1322 1323 #undef ATH_SAMP_DBG 1324 } 1325 1326 static int open_file_bb_mac_samps(struct inode *inode, struct file *file) 1327 { 1328 #define ATH_SAMP_DBG(c) bb_mac_samp[sampidx].c 1329 struct ath_softc *sc = inode->i_private; 1330 struct ath_hw *ah = sc->sc_ah; 1331 struct ath_common *common = ath9k_hw_common(ah); 1332 struct ieee80211_conf *conf = &common->hw->conf; 1333 struct ath_dbg_bb_mac_samp *bb_mac_samp; 1334 struct ath9k_nfcal_hist *h; 1335 int i, j, qcuOffset = 0, dcuOffset = 0; 1336 u32 *qcuBase, *dcuBase, size = 30000, len = 0; 1337 u32 sampidx = 0; 1338 u8 *buf; 1339 u8 chainmask = (ah->rxchainmask << 3) | ah->rxchainmask; 1340 u8 nread; 1341 1342 if (sc->sc_flags & SC_OP_INVALID) 1343 return -EAGAIN; 1344 1345 buf = vmalloc(size); 1346 if (!buf) 1347 return -ENOMEM; 1348 bb_mac_samp = vmalloc(sizeof(*bb_mac_samp) * ATH_DBG_MAX_SAMPLES); 1349 if (!bb_mac_samp) { 1350 vfree(buf); 1351 return -ENOMEM; 1352 } 1353 /* Account the current state too */ 1354 ath9k_debug_samp_bb_mac(sc); 1355 1356 spin_lock_bh(&sc->debug.samp_lock); 1357 memcpy(bb_mac_samp, sc->debug.bb_mac_samp, 1358 sizeof(*bb_mac_samp) * ATH_DBG_MAX_SAMPLES); 1359 len += snprintf(buf + len, size - len, 1360 "Current Sample Index: %d\n", sc->debug.sampidx); 1361 spin_unlock_bh(&sc->debug.samp_lock); 1362 1363 len += snprintf(buf + len, size - len, 1364 "Raw DMA Debug Dump:\n"); 1365 len += snprintf(buf + len, size - len, "Sample |\t"); 1366 for (i = 0; i < ATH9K_NUM_DMA_DEBUG_REGS; i++) 1367 len += snprintf(buf + len, size - len, " DMA Reg%d |\t", i); 1368 len += snprintf(buf + len, size - len, "\n"); 1369 1370 for (sampidx = 0; sampidx < ATH_DBG_MAX_SAMPLES; sampidx++) { 1371 len += snprintf(buf + len, size - len, "%d\t", sampidx); 1372 1373 for (i = 0; i < ATH9K_NUM_DMA_DEBUG_REGS; i++) 1374 len += snprintf(buf + len, size - len, " %08x\t", 1375 ATH_SAMP_DBG(dma_dbg_reg_vals[i])); 1376 len += snprintf(buf + len, size - len, "\n"); 1377 } 1378 len += snprintf(buf + len, size - len, "\n"); 1379 1380 len += snprintf(buf + len, size - len, 1381 "Sample Num QCU: chain_st fsp_ok fsp_st DCU: chain_st\n"); 1382 for (sampidx = 0; sampidx < ATH_DBG_MAX_SAMPLES; sampidx++) { 1383 qcuBase = &ATH_SAMP_DBG(dma_dbg_reg_vals[0]); 1384 dcuBase = &ATH_SAMP_DBG(dma_dbg_reg_vals[4]); 1385 1386 for (i = 0; i < ATH9K_NUM_QUEUES; i++, 1387 qcuOffset += 4, dcuOffset += 5) { 1388 if (i == 8) { 1389 qcuOffset = 0; 1390 qcuBase++; 1391 } 1392 1393 if (i == 6) { 1394 dcuOffset = 0; 1395 dcuBase++; 1396 } 1397 if (!sc->debug.stats.txstats[i].queued) 1398 continue; 1399 1400 len += snprintf(buf + len, size - len, 1401 "%4d %7d %2x %1x %2x %2x\n", 1402 sampidx, i, 1403 (*qcuBase & (0x7 << qcuOffset)) >> qcuOffset, 1404 (*qcuBase & (0x8 << qcuOffset)) >> 1405 (qcuOffset + 3), 1406 ATH_SAMP_DBG(dma_dbg_reg_vals[2]) & 1407 (0x7 << (i * 3)) >> (i * 3), 1408 (*dcuBase & (0x1f << dcuOffset)) >> dcuOffset); 1409 } 1410 len += snprintf(buf + len, size - len, "\n"); 1411 } 1412 len += snprintf(buf + len, size - len, 1413 "samp qcu_sh qcu_fh qcu_comp dcu_comp dcu_arb dcu_fp " 1414 "ch_idle_dur ch_idle_dur_val txfifo_val0 txfifo_val1 " 1415 "txfifo_dcu0 txfifo_dcu1 pcu_obs AR_CR\n"); 1416 1417 for (sampidx = 0; sampidx < ATH_DBG_MAX_SAMPLES; sampidx++) { 1418 qcuBase = &ATH_SAMP_DBG(dma_dbg_reg_vals[0]); 1419 dcuBase = &ATH_SAMP_DBG(dma_dbg_reg_vals[4]); 1420 1421 len += snprintf(buf + len, size - len, "%4d %5x %5x ", sampidx, 1422 (ATH_SAMP_DBG(dma_dbg_reg_vals[3]) & 0x003c0000) >> 18, 1423 (ATH_SAMP_DBG(dma_dbg_reg_vals[3]) & 0x03c00000) >> 22); 1424 len += snprintf(buf + len, size - len, "%7x %8x ", 1425 (ATH_SAMP_DBG(dma_dbg_reg_vals[3]) & 0x1c000000) >> 26, 1426 (ATH_SAMP_DBG(dma_dbg_reg_vals[6]) & 0x3)); 1427 len += snprintf(buf + len, size - len, "%7x %7x ", 1428 (ATH_SAMP_DBG(dma_dbg_reg_vals[5]) & 0x06000000) >> 25, 1429 (ATH_SAMP_DBG(dma_dbg_reg_vals[5]) & 0x38000000) >> 27); 1430 len += snprintf(buf + len, size - len, "%7d %12d ", 1431 (ATH_SAMP_DBG(dma_dbg_reg_vals[6]) & 0x000003fc) >> 2, 1432 (ATH_SAMP_DBG(dma_dbg_reg_vals[6]) & 0x00000400) >> 10); 1433 len += snprintf(buf + len, size - len, "%12d %12d ", 1434 (ATH_SAMP_DBG(dma_dbg_reg_vals[6]) & 0x00000800) >> 11, 1435 (ATH_SAMP_DBG(dma_dbg_reg_vals[6]) & 0x00001000) >> 12); 1436 len += snprintf(buf + len, size - len, "%12d %12d ", 1437 (ATH_SAMP_DBG(dma_dbg_reg_vals[6]) & 0x0001e000) >> 13, 1438 (ATH_SAMP_DBG(dma_dbg_reg_vals[6]) & 0x001e0000) >> 17); 1439 len += snprintf(buf + len, size - len, "0x%07x 0x%07x\n", 1440 ATH_SAMP_DBG(pcu_obs), ATH_SAMP_DBG(pcu_cr)); 1441 } 1442 1443 len += snprintf(buf + len, size - len, 1444 "Sample ChNoise Chain privNF #Reading Readings\n"); 1445 for (sampidx = 0; sampidx < ATH_DBG_MAX_SAMPLES; sampidx++) { 1446 h = ATH_SAMP_DBG(nfCalHist); 1447 if (!ATH_SAMP_DBG(noise)) 1448 continue; 1449 1450 for (i = 0; i < NUM_NF_READINGS; i++) { 1451 if (!(chainmask & (1 << i)) || 1452 ((i >= AR5416_MAX_CHAINS) && !conf_is_ht40(conf))) 1453 continue; 1454 1455 nread = AR_PHY_CCA_FILTERWINDOW_LENGTH - 1456 h[i].invalidNFcount; 1457 len += snprintf(buf + len, size - len, 1458 "%4d %5d %4d\t %d\t %d\t", 1459 sampidx, ATH_SAMP_DBG(noise), 1460 i, h[i].privNF, nread); 1461 for (j = 0; j < nread; j++) 1462 len += snprintf(buf + len, size - len, 1463 " %d", h[i].nfCalBuffer[j]); 1464 len += snprintf(buf + len, size - len, "\n"); 1465 } 1466 } 1467 len += snprintf(buf + len, size - len, "\nCycle counters:\n" 1468 "Sample Total Rxbusy Rxframes Txframes\n"); 1469 for (sampidx = 0; sampidx < ATH_DBG_MAX_SAMPLES; sampidx++) { 1470 if (!ATH_SAMP_DBG(cc.cycles)) 1471 continue; 1472 len += snprintf(buf + len, size - len, 1473 "%4d %08x %08x %08x %08x\n", 1474 sampidx, ATH_SAMP_DBG(cc.cycles), 1475 ATH_SAMP_DBG(cc.rx_busy), 1476 ATH_SAMP_DBG(cc.rx_frame), 1477 ATH_SAMP_DBG(cc.tx_frame)); 1478 } 1479 1480 len += snprintf(buf + len, size - len, "Tx status Dump :\n"); 1481 len += snprintf(buf + len, size - len, 1482 "Sample rssi:- ctl0 ctl1 ctl2 ext0 ext1 ext2 comb " 1483 "isok rts_fail data_fail rate tid qid " 1484 "ba_low ba_high tx_before(ms)\n"); 1485 for (sampidx = 0; sampidx < ATH_DBG_MAX_SAMPLES; sampidx++) { 1486 for (i = 0; i < ATH_DBG_MAX_SAMPLES; i++) { 1487 if (!ATH_SAMP_DBG(ts[i].jiffies)) 1488 continue; 1489 len += snprintf(buf + len, size - len, "%-14d" 1490 "%-4d %-4d %-4d %-4d %-4d %-4d %-4d %-4d %-8d " 1491 "%-9d %-4d %-3d %-3d %08x %08x %-11d\n", 1492 sampidx, 1493 ATH_SAMP_DBG(ts[i].rssi_ctl0), 1494 ATH_SAMP_DBG(ts[i].rssi_ctl1), 1495 ATH_SAMP_DBG(ts[i].rssi_ctl2), 1496 ATH_SAMP_DBG(ts[i].rssi_ext0), 1497 ATH_SAMP_DBG(ts[i].rssi_ext1), 1498 ATH_SAMP_DBG(ts[i].rssi_ext2), 1499 ATH_SAMP_DBG(ts[i].rssi), 1500 ATH_SAMP_DBG(ts[i].isok), 1501 ATH_SAMP_DBG(ts[i].rts_fail_cnt), 1502 ATH_SAMP_DBG(ts[i].data_fail_cnt), 1503 ATH_SAMP_DBG(ts[i].rateindex), 1504 ATH_SAMP_DBG(ts[i].tid), 1505 ATH_SAMP_DBG(ts[i].qid), 1506 ATH_SAMP_DBG(ts[i].ba_low), 1507 ATH_SAMP_DBG(ts[i].ba_high), 1508 jiffies_to_msecs(jiffies - 1509 ATH_SAMP_DBG(ts[i].jiffies))); 1510 } 1511 } 1512 1513 len += snprintf(buf + len, size - len, "Rx status Dump :\n"); 1514 len += snprintf(buf + len, size - len, "Sample rssi:- ctl0 ctl1 ctl2 " 1515 "ext0 ext1 ext2 comb beacon ant rate rx_before(ms)\n"); 1516 for (sampidx = 0; sampidx < ATH_DBG_MAX_SAMPLES; sampidx++) { 1517 for (i = 0; i < ATH_DBG_MAX_SAMPLES; i++) { 1518 if (!ATH_SAMP_DBG(rs[i].jiffies)) 1519 continue; 1520 len += snprintf(buf + len, size - len, "%-14d" 1521 "%-4d %-4d %-4d %-4d %-4d %-4d %-4d %-9s %-2d %02x %-13d\n", 1522 sampidx, 1523 ATH_SAMP_DBG(rs[i].rssi_ctl0), 1524 ATH_SAMP_DBG(rs[i].rssi_ctl1), 1525 ATH_SAMP_DBG(rs[i].rssi_ctl2), 1526 ATH_SAMP_DBG(rs[i].rssi_ext0), 1527 ATH_SAMP_DBG(rs[i].rssi_ext1), 1528 ATH_SAMP_DBG(rs[i].rssi_ext2), 1529 ATH_SAMP_DBG(rs[i].rssi), 1530 ATH_SAMP_DBG(rs[i].is_mybeacon) ? 1531 "True" : "False", 1532 ATH_SAMP_DBG(rs[i].antenna), 1533 ATH_SAMP_DBG(rs[i].rate), 1534 jiffies_to_msecs(jiffies - 1535 ATH_SAMP_DBG(rs[i].jiffies))); 1536 } 1537 } 1538 1539 vfree(bb_mac_samp); 1540 file->private_data = buf; 1541 1542 return 0; 1543 #undef ATH_SAMP_DBG 1544 } 1545 1546 static const struct file_operations fops_samps = { 1547 .open = open_file_bb_mac_samps, 1548 .read = ath9k_debugfs_read_buf, 1549 .release = ath9k_debugfs_release_buf, 1550 .owner = THIS_MODULE, 1551 .llseek = default_llseek, 1552 }; 1553 1554 1555 int ath9k_init_debug(struct ath_hw *ah) 1556 { 1557 struct ath_common *common = ath9k_hw_common(ah); 1558 struct ath_softc *sc = (struct ath_softc *) common->priv; 1559 1560 sc->debug.debugfs_phy = debugfs_create_dir("ath9k", 1561 sc->hw->wiphy->debugfsdir); 1562 if (!sc->debug.debugfs_phy) 1563 return -ENOMEM; 1564 1565 #ifdef CONFIG_ATH_DEBUG 1566 debugfs_create_file("debug", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy, 1567 sc, &fops_debug); 1568 #endif 1569 1570 ath9k_dfs_init_debug(sc); 1571 1572 debugfs_create_file("dma", S_IRUSR, sc->debug.debugfs_phy, sc, 1573 &fops_dma); 1574 debugfs_create_file("interrupt", S_IRUSR, sc->debug.debugfs_phy, sc, 1575 &fops_interrupt); 1576 debugfs_create_file("xmit", S_IRUSR, sc->debug.debugfs_phy, sc, 1577 &fops_xmit); 1578 debugfs_create_file("stations", S_IRUSR, sc->debug.debugfs_phy, sc, 1579 &fops_stations); 1580 debugfs_create_file("misc", S_IRUSR, sc->debug.debugfs_phy, sc, 1581 &fops_misc); 1582 debugfs_create_file("reset", S_IRUSR, sc->debug.debugfs_phy, sc, 1583 &fops_reset); 1584 debugfs_create_file("recv", S_IRUSR, sc->debug.debugfs_phy, sc, 1585 &fops_recv); 1586 debugfs_create_file("rx_chainmask", S_IRUSR | S_IWUSR, 1587 sc->debug.debugfs_phy, sc, &fops_rx_chainmask); 1588 debugfs_create_file("tx_chainmask", S_IRUSR | S_IWUSR, 1589 sc->debug.debugfs_phy, sc, &fops_tx_chainmask); 1590 debugfs_create_file("disable_ani", S_IRUSR | S_IWUSR, 1591 sc->debug.debugfs_phy, sc, &fops_disable_ani); 1592 debugfs_create_file("regidx", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy, 1593 sc, &fops_regidx); 1594 debugfs_create_file("regval", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy, 1595 sc, &fops_regval); 1596 debugfs_create_bool("ignore_extcca", S_IRUSR | S_IWUSR, 1597 sc->debug.debugfs_phy, 1598 &ah->config.cwm_ignore_extcca); 1599 debugfs_create_file("regdump", S_IRUSR, sc->debug.debugfs_phy, sc, 1600 &fops_regdump); 1601 debugfs_create_file("dump_nfcal", S_IRUSR, sc->debug.debugfs_phy, sc, 1602 &fops_dump_nfcal); 1603 debugfs_create_file("base_eeprom", S_IRUSR, sc->debug.debugfs_phy, sc, 1604 &fops_base_eeprom); 1605 debugfs_create_file("modal_eeprom", S_IRUSR, sc->debug.debugfs_phy, sc, 1606 &fops_modal_eeprom); 1607 debugfs_create_file("samples", S_IRUSR, sc->debug.debugfs_phy, sc, 1608 &fops_samps); 1609 1610 debugfs_create_u32("gpio_mask", S_IRUSR | S_IWUSR, 1611 sc->debug.debugfs_phy, &sc->sc_ah->gpio_mask); 1612 1613 debugfs_create_u32("gpio_val", S_IRUSR | S_IWUSR, 1614 sc->debug.debugfs_phy, &sc->sc_ah->gpio_val); 1615 1616 return 0; 1617 } 1618