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