1 /* 2 * Copyright (c) 2007-2008 Bruno Randolf <bruno@thinktube.com> 3 * 4 * This file is free software: you may copy, redistribute and/or modify it 5 * under the terms of the GNU General Public License as published by the 6 * Free Software Foundation, either version 2 of the License, or (at your 7 * option) any later version. 8 * 9 * This file is distributed in the hope that it will be useful, but 10 * WITHOUT ANY WARRANTY; without even the implied warranty of 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 12 * General Public License for more details. 13 * 14 * You should have received a copy of the GNU General Public License 15 * along with this program. If not, see <http://www.gnu.org/licenses/>. 16 * 17 * 18 * This file incorporates work covered by the following copyright and 19 * permission notice: 20 * 21 * Copyright (c) 2002-2005 Sam Leffler, Errno Consulting 22 * Copyright (c) 2004-2005 Atheros Communications, Inc. 23 * Copyright (c) 2006 Devicescape Software, Inc. 24 * Copyright (c) 2007 Jiri Slaby <jirislaby@gmail.com> 25 * Copyright (c) 2007 Luis R. Rodriguez <mcgrof@winlab.rutgers.edu> 26 * 27 * All rights reserved. 28 * 29 * Redistribution and use in source and binary forms, with or without 30 * modification, are permitted provided that the following conditions 31 * are met: 32 * 1. Redistributions of source code must retain the above copyright 33 * notice, this list of conditions and the following disclaimer, 34 * without modification. 35 * 2. Redistributions in binary form must reproduce at minimum a disclaimer 36 * similar to the "NO WARRANTY" disclaimer below ("Disclaimer") and any 37 * redistribution must be conditioned upon including a substantially 38 * similar Disclaimer requirement for further binary redistribution. 39 * 3. Neither the names of the above-listed copyright holders nor the names 40 * of any contributors may be used to endorse or promote products derived 41 * from this software without specific prior written permission. 42 * 43 * Alternatively, this software may be distributed under the terms of the 44 * GNU General Public License ("GPL") version 2 as published by the Free 45 * Software Foundation. 46 * 47 * NO WARRANTY 48 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 49 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 50 * LIMITED TO, THE IMPLIED WARRANTIES OF NONINFRINGEMENT, MERCHANTIBILITY 51 * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL 52 * THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, 53 * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 54 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 55 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER 56 * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 57 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 58 * THE POSSIBILITY OF SUCH DAMAGES. 59 */ 60 61 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt 62 63 #include <linux/export.h> 64 #include <linux/moduleparam.h> 65 #include <linux/vmalloc.h> 66 67 #include <linux/seq_file.h> 68 #include <linux/list.h> 69 #include <linux/vmalloc.h> 70 #include "debug.h" 71 #include "ath5k.h" 72 #include "reg.h" 73 #include "base.h" 74 75 static unsigned int ath5k_debug; 76 module_param_named(debug, ath5k_debug, uint, 0); 77 78 79 /* debugfs: registers */ 80 81 struct reg { 82 const char *name; 83 int addr; 84 }; 85 86 #define REG_STRUCT_INIT(r) { #r, r } 87 88 /* just a few random registers, might want to add more */ 89 static const struct reg regs[] = { 90 REG_STRUCT_INIT(AR5K_CR), 91 REG_STRUCT_INIT(AR5K_RXDP), 92 REG_STRUCT_INIT(AR5K_CFG), 93 REG_STRUCT_INIT(AR5K_IER), 94 REG_STRUCT_INIT(AR5K_BCR), 95 REG_STRUCT_INIT(AR5K_RTSD0), 96 REG_STRUCT_INIT(AR5K_RTSD1), 97 REG_STRUCT_INIT(AR5K_TXCFG), 98 REG_STRUCT_INIT(AR5K_RXCFG), 99 REG_STRUCT_INIT(AR5K_RXJLA), 100 REG_STRUCT_INIT(AR5K_MIBC), 101 REG_STRUCT_INIT(AR5K_TOPS), 102 REG_STRUCT_INIT(AR5K_RXNOFRM), 103 REG_STRUCT_INIT(AR5K_TXNOFRM), 104 REG_STRUCT_INIT(AR5K_RPGTO), 105 REG_STRUCT_INIT(AR5K_RFCNT), 106 REG_STRUCT_INIT(AR5K_MISC), 107 REG_STRUCT_INIT(AR5K_QCUDCU_CLKGT), 108 REG_STRUCT_INIT(AR5K_ISR), 109 REG_STRUCT_INIT(AR5K_PISR), 110 REG_STRUCT_INIT(AR5K_SISR0), 111 REG_STRUCT_INIT(AR5K_SISR1), 112 REG_STRUCT_INIT(AR5K_SISR2), 113 REG_STRUCT_INIT(AR5K_SISR3), 114 REG_STRUCT_INIT(AR5K_SISR4), 115 REG_STRUCT_INIT(AR5K_IMR), 116 REG_STRUCT_INIT(AR5K_PIMR), 117 REG_STRUCT_INIT(AR5K_SIMR0), 118 REG_STRUCT_INIT(AR5K_SIMR1), 119 REG_STRUCT_INIT(AR5K_SIMR2), 120 REG_STRUCT_INIT(AR5K_SIMR3), 121 REG_STRUCT_INIT(AR5K_SIMR4), 122 REG_STRUCT_INIT(AR5K_DCM_ADDR), 123 REG_STRUCT_INIT(AR5K_DCCFG), 124 REG_STRUCT_INIT(AR5K_CCFG), 125 REG_STRUCT_INIT(AR5K_CPC0), 126 REG_STRUCT_INIT(AR5K_CPC1), 127 REG_STRUCT_INIT(AR5K_CPC2), 128 REG_STRUCT_INIT(AR5K_CPC3), 129 REG_STRUCT_INIT(AR5K_CPCOVF), 130 REG_STRUCT_INIT(AR5K_RESET_CTL), 131 REG_STRUCT_INIT(AR5K_SLEEP_CTL), 132 REG_STRUCT_INIT(AR5K_INTPEND), 133 REG_STRUCT_INIT(AR5K_SFR), 134 REG_STRUCT_INIT(AR5K_PCICFG), 135 REG_STRUCT_INIT(AR5K_GPIOCR), 136 REG_STRUCT_INIT(AR5K_GPIODO), 137 REG_STRUCT_INIT(AR5K_SREV), 138 }; 139 140 static void *reg_start(struct seq_file *seq, loff_t *pos) 141 { 142 return *pos < ARRAY_SIZE(regs) ? (void *)®s[*pos] : NULL; 143 } 144 145 static void reg_stop(struct seq_file *seq, void *p) 146 { 147 /* nothing to do */ 148 } 149 150 static void *reg_next(struct seq_file *seq, void *p, loff_t *pos) 151 { 152 ++*pos; 153 return *pos < ARRAY_SIZE(regs) ? (void *)®s[*pos] : NULL; 154 } 155 156 static int reg_show(struct seq_file *seq, void *p) 157 { 158 struct ath5k_hw *ah = seq->private; 159 struct reg *r = p; 160 seq_printf(seq, "%-25s0x%08x\n", r->name, 161 ath5k_hw_reg_read(ah, r->addr)); 162 return 0; 163 } 164 165 static const struct seq_operations register_seq_ops = { 166 .start = reg_start, 167 .next = reg_next, 168 .stop = reg_stop, 169 .show = reg_show 170 }; 171 172 static int open_file_registers(struct inode *inode, struct file *file) 173 { 174 struct seq_file *s; 175 int res; 176 res = seq_open(file, ®ister_seq_ops); 177 if (res == 0) { 178 s = file->private_data; 179 s->private = inode->i_private; 180 } 181 return res; 182 } 183 184 static const struct file_operations fops_registers = { 185 .open = open_file_registers, 186 .read = seq_read, 187 .llseek = seq_lseek, 188 .release = seq_release, 189 .owner = THIS_MODULE, 190 }; 191 192 193 /* debugfs: beacons */ 194 195 static ssize_t read_file_beacon(struct file *file, char __user *user_buf, 196 size_t count, loff_t *ppos) 197 { 198 struct ath5k_hw *ah = file->private_data; 199 char buf[500]; 200 unsigned int len = 0; 201 unsigned int v; 202 u64 tsf; 203 204 v = ath5k_hw_reg_read(ah, AR5K_BEACON); 205 len += snprintf(buf + len, sizeof(buf) - len, 206 "%-24s0x%08x\tintval: %d\tTIM: 0x%x\n", 207 "AR5K_BEACON", v, v & AR5K_BEACON_PERIOD, 208 (v & AR5K_BEACON_TIM) >> AR5K_BEACON_TIM_S); 209 210 len += snprintf(buf + len, sizeof(buf) - len, "%-24s0x%08x\n", 211 "AR5K_LAST_TSTP", ath5k_hw_reg_read(ah, AR5K_LAST_TSTP)); 212 213 len += snprintf(buf + len, sizeof(buf) - len, "%-24s0x%08x\n\n", 214 "AR5K_BEACON_CNT", ath5k_hw_reg_read(ah, AR5K_BEACON_CNT)); 215 216 v = ath5k_hw_reg_read(ah, AR5K_TIMER0); 217 len += snprintf(buf + len, sizeof(buf) - len, "%-24s0x%08x\tTU: %08x\n", 218 "AR5K_TIMER0 (TBTT)", v, v); 219 220 v = ath5k_hw_reg_read(ah, AR5K_TIMER1); 221 len += snprintf(buf + len, sizeof(buf) - len, "%-24s0x%08x\tTU: %08x\n", 222 "AR5K_TIMER1 (DMA)", v, v >> 3); 223 224 v = ath5k_hw_reg_read(ah, AR5K_TIMER2); 225 len += snprintf(buf + len, sizeof(buf) - len, "%-24s0x%08x\tTU: %08x\n", 226 "AR5K_TIMER2 (SWBA)", v, v >> 3); 227 228 v = ath5k_hw_reg_read(ah, AR5K_TIMER3); 229 len += snprintf(buf + len, sizeof(buf) - len, "%-24s0x%08x\tTU: %08x\n", 230 "AR5K_TIMER3 (ATIM)", v, v); 231 232 tsf = ath5k_hw_get_tsf64(ah); 233 len += snprintf(buf + len, sizeof(buf) - len, 234 "TSF\t\t0x%016llx\tTU: %08x\n", 235 (unsigned long long)tsf, TSF_TO_TU(tsf)); 236 237 if (len > sizeof(buf)) 238 len = sizeof(buf); 239 240 return simple_read_from_buffer(user_buf, count, ppos, buf, len); 241 } 242 243 static ssize_t write_file_beacon(struct file *file, 244 const char __user *userbuf, 245 size_t count, loff_t *ppos) 246 { 247 struct ath5k_hw *ah = file->private_data; 248 char buf[20]; 249 250 count = min_t(size_t, count, sizeof(buf) - 1); 251 if (copy_from_user(buf, userbuf, count)) 252 return -EFAULT; 253 254 buf[count] = '\0'; 255 if (strncmp(buf, "disable", 7) == 0) { 256 AR5K_REG_DISABLE_BITS(ah, AR5K_BEACON, AR5K_BEACON_ENABLE); 257 pr_info("debugfs disable beacons\n"); 258 } else if (strncmp(buf, "enable", 6) == 0) { 259 AR5K_REG_ENABLE_BITS(ah, AR5K_BEACON, AR5K_BEACON_ENABLE); 260 pr_info("debugfs enable beacons\n"); 261 } 262 return count; 263 } 264 265 static const struct file_operations fops_beacon = { 266 .read = read_file_beacon, 267 .write = write_file_beacon, 268 .open = simple_open, 269 .owner = THIS_MODULE, 270 .llseek = default_llseek, 271 }; 272 273 274 /* debugfs: reset */ 275 276 static ssize_t write_file_reset(struct file *file, 277 const char __user *userbuf, 278 size_t count, loff_t *ppos) 279 { 280 struct ath5k_hw *ah = file->private_data; 281 ATH5K_DBG(ah, ATH5K_DEBUG_RESET, "debug file triggered reset\n"); 282 ieee80211_queue_work(ah->hw, &ah->reset_work); 283 return count; 284 } 285 286 static const struct file_operations fops_reset = { 287 .write = write_file_reset, 288 .open = simple_open, 289 .owner = THIS_MODULE, 290 .llseek = noop_llseek, 291 }; 292 293 294 /* debugfs: debug level */ 295 296 static const struct { 297 enum ath5k_debug_level level; 298 const char *name; 299 const char *desc; 300 } dbg_info[] = { 301 { ATH5K_DEBUG_RESET, "reset", "reset and initialization" }, 302 { ATH5K_DEBUG_INTR, "intr", "interrupt handling" }, 303 { ATH5K_DEBUG_MODE, "mode", "mode init/setup" }, 304 { ATH5K_DEBUG_XMIT, "xmit", "basic xmit operation" }, 305 { ATH5K_DEBUG_BEACON, "beacon", "beacon handling" }, 306 { ATH5K_DEBUG_CALIBRATE, "calib", "periodic calibration" }, 307 { ATH5K_DEBUG_TXPOWER, "txpower", "transmit power setting" }, 308 { ATH5K_DEBUG_LED, "led", "LED management" }, 309 { ATH5K_DEBUG_DUMPBANDS, "dumpbands", "dump bands" }, 310 { ATH5K_DEBUG_DMA, "dma", "dma start/stop" }, 311 { ATH5K_DEBUG_ANI, "ani", "adaptive noise immunity" }, 312 { ATH5K_DEBUG_DESC, "desc", "descriptor chains" }, 313 { ATH5K_DEBUG_ANY, "all", "show all debug levels" }, 314 }; 315 316 static ssize_t read_file_debug(struct file *file, char __user *user_buf, 317 size_t count, loff_t *ppos) 318 { 319 struct ath5k_hw *ah = file->private_data; 320 char buf[700]; 321 unsigned int len = 0; 322 unsigned int i; 323 324 len += snprintf(buf + len, sizeof(buf) - len, 325 "DEBUG LEVEL: 0x%08x\n\n", ah->debug.level); 326 327 for (i = 0; i < ARRAY_SIZE(dbg_info) - 1; i++) { 328 len += snprintf(buf + len, sizeof(buf) - len, 329 "%10s %c 0x%08x - %s\n", dbg_info[i].name, 330 ah->debug.level & dbg_info[i].level ? '+' : ' ', 331 dbg_info[i].level, dbg_info[i].desc); 332 } 333 len += snprintf(buf + len, sizeof(buf) - len, 334 "%10s %c 0x%08x - %s\n", dbg_info[i].name, 335 ah->debug.level == dbg_info[i].level ? '+' : ' ', 336 dbg_info[i].level, dbg_info[i].desc); 337 338 if (len > sizeof(buf)) 339 len = sizeof(buf); 340 341 return simple_read_from_buffer(user_buf, count, ppos, buf, len); 342 } 343 344 static ssize_t write_file_debug(struct file *file, 345 const char __user *userbuf, 346 size_t count, loff_t *ppos) 347 { 348 struct ath5k_hw *ah = file->private_data; 349 unsigned int i; 350 char buf[20]; 351 352 count = min_t(size_t, count, sizeof(buf) - 1); 353 if (copy_from_user(buf, userbuf, count)) 354 return -EFAULT; 355 356 buf[count] = '\0'; 357 for (i = 0; i < ARRAY_SIZE(dbg_info); i++) { 358 if (strncmp(buf, dbg_info[i].name, 359 strlen(dbg_info[i].name)) == 0) { 360 ah->debug.level ^= dbg_info[i].level; /* toggle bit */ 361 break; 362 } 363 } 364 return count; 365 } 366 367 static const struct file_operations fops_debug = { 368 .read = read_file_debug, 369 .write = write_file_debug, 370 .open = simple_open, 371 .owner = THIS_MODULE, 372 .llseek = default_llseek, 373 }; 374 375 376 /* debugfs: antenna */ 377 378 static ssize_t read_file_antenna(struct file *file, char __user *user_buf, 379 size_t count, loff_t *ppos) 380 { 381 struct ath5k_hw *ah = file->private_data; 382 char buf[700]; 383 unsigned int len = 0; 384 unsigned int i; 385 unsigned int v; 386 387 len += snprintf(buf + len, sizeof(buf) - len, "antenna mode\t%d\n", 388 ah->ah_ant_mode); 389 len += snprintf(buf + len, sizeof(buf) - len, "default antenna\t%d\n", 390 ah->ah_def_ant); 391 len += snprintf(buf + len, sizeof(buf) - len, "tx antenna\t%d\n", 392 ah->ah_tx_ant); 393 394 len += snprintf(buf + len, sizeof(buf) - len, "\nANTENNA\t\tRX\tTX\n"); 395 for (i = 1; i < ARRAY_SIZE(ah->stats.antenna_rx); i++) { 396 len += snprintf(buf + len, sizeof(buf) - len, 397 "[antenna %d]\t%d\t%d\n", 398 i, ah->stats.antenna_rx[i], ah->stats.antenna_tx[i]); 399 } 400 len += snprintf(buf + len, sizeof(buf) - len, "[invalid]\t%d\t%d\n", 401 ah->stats.antenna_rx[0], ah->stats.antenna_tx[0]); 402 403 v = ath5k_hw_reg_read(ah, AR5K_DEFAULT_ANTENNA); 404 len += snprintf(buf + len, sizeof(buf) - len, 405 "\nAR5K_DEFAULT_ANTENNA\t0x%08x\n", v); 406 407 v = ath5k_hw_reg_read(ah, AR5K_STA_ID1); 408 len += snprintf(buf + len, sizeof(buf) - len, 409 "AR5K_STA_ID1_DEFAULT_ANTENNA\t%d\n", 410 (v & AR5K_STA_ID1_DEFAULT_ANTENNA) != 0); 411 len += snprintf(buf + len, sizeof(buf) - len, 412 "AR5K_STA_ID1_DESC_ANTENNA\t%d\n", 413 (v & AR5K_STA_ID1_DESC_ANTENNA) != 0); 414 len += snprintf(buf + len, sizeof(buf) - len, 415 "AR5K_STA_ID1_RTS_DEF_ANTENNA\t%d\n", 416 (v & AR5K_STA_ID1_RTS_DEF_ANTENNA) != 0); 417 len += snprintf(buf + len, sizeof(buf) - len, 418 "AR5K_STA_ID1_SELFGEN_DEF_ANT\t%d\n", 419 (v & AR5K_STA_ID1_SELFGEN_DEF_ANT) != 0); 420 421 v = ath5k_hw_reg_read(ah, AR5K_PHY_AGCCTL); 422 len += snprintf(buf + len, sizeof(buf) - len, 423 "\nAR5K_PHY_AGCCTL_OFDM_DIV_DIS\t%d\n", 424 (v & AR5K_PHY_AGCCTL_OFDM_DIV_DIS) != 0); 425 426 v = ath5k_hw_reg_read(ah, AR5K_PHY_RESTART); 427 len += snprintf(buf + len, sizeof(buf) - len, 428 "AR5K_PHY_RESTART_DIV_GC\t\t%x\n", 429 (v & AR5K_PHY_RESTART_DIV_GC) >> AR5K_PHY_RESTART_DIV_GC_S); 430 431 v = ath5k_hw_reg_read(ah, AR5K_PHY_FAST_ANT_DIV); 432 len += snprintf(buf + len, sizeof(buf) - len, 433 "AR5K_PHY_FAST_ANT_DIV_EN\t%d\n", 434 (v & AR5K_PHY_FAST_ANT_DIV_EN) != 0); 435 436 v = ath5k_hw_reg_read(ah, AR5K_PHY_ANT_SWITCH_TABLE_0); 437 len += snprintf(buf + len, sizeof(buf) - len, 438 "\nAR5K_PHY_ANT_SWITCH_TABLE_0\t0x%08x\n", v); 439 v = ath5k_hw_reg_read(ah, AR5K_PHY_ANT_SWITCH_TABLE_1); 440 len += snprintf(buf + len, sizeof(buf) - len, 441 "AR5K_PHY_ANT_SWITCH_TABLE_1\t0x%08x\n", v); 442 443 if (len > sizeof(buf)) 444 len = sizeof(buf); 445 446 return simple_read_from_buffer(user_buf, count, ppos, buf, len); 447 } 448 449 static ssize_t write_file_antenna(struct file *file, 450 const char __user *userbuf, 451 size_t count, loff_t *ppos) 452 { 453 struct ath5k_hw *ah = file->private_data; 454 unsigned int i; 455 char buf[20]; 456 457 count = min_t(size_t, count, sizeof(buf) - 1); 458 if (copy_from_user(buf, userbuf, count)) 459 return -EFAULT; 460 461 buf[count] = '\0'; 462 if (strncmp(buf, "diversity", 9) == 0) { 463 ath5k_hw_set_antenna_mode(ah, AR5K_ANTMODE_DEFAULT); 464 pr_info("debug: enable diversity\n"); 465 } else if (strncmp(buf, "fixed-a", 7) == 0) { 466 ath5k_hw_set_antenna_mode(ah, AR5K_ANTMODE_FIXED_A); 467 pr_info("debug: fixed antenna A\n"); 468 } else if (strncmp(buf, "fixed-b", 7) == 0) { 469 ath5k_hw_set_antenna_mode(ah, AR5K_ANTMODE_FIXED_B); 470 pr_info("debug: fixed antenna B\n"); 471 } else if (strncmp(buf, "clear", 5) == 0) { 472 for (i = 0; i < ARRAY_SIZE(ah->stats.antenna_rx); i++) { 473 ah->stats.antenna_rx[i] = 0; 474 ah->stats.antenna_tx[i] = 0; 475 } 476 pr_info("debug: cleared antenna stats\n"); 477 } 478 return count; 479 } 480 481 static const struct file_operations fops_antenna = { 482 .read = read_file_antenna, 483 .write = write_file_antenna, 484 .open = simple_open, 485 .owner = THIS_MODULE, 486 .llseek = default_llseek, 487 }; 488 489 /* debugfs: misc */ 490 491 static ssize_t read_file_misc(struct file *file, char __user *user_buf, 492 size_t count, loff_t *ppos) 493 { 494 struct ath5k_hw *ah = file->private_data; 495 char buf[700]; 496 unsigned int len = 0; 497 u32 filt = ath5k_hw_get_rx_filter(ah); 498 499 len += snprintf(buf + len, sizeof(buf) - len, "bssid-mask: %pM\n", 500 ah->bssidmask); 501 len += snprintf(buf + len, sizeof(buf) - len, "filter-flags: 0x%x ", 502 filt); 503 if (filt & AR5K_RX_FILTER_UCAST) 504 len += snprintf(buf + len, sizeof(buf) - len, " UCAST"); 505 if (filt & AR5K_RX_FILTER_MCAST) 506 len += snprintf(buf + len, sizeof(buf) - len, " MCAST"); 507 if (filt & AR5K_RX_FILTER_BCAST) 508 len += snprintf(buf + len, sizeof(buf) - len, " BCAST"); 509 if (filt & AR5K_RX_FILTER_CONTROL) 510 len += snprintf(buf + len, sizeof(buf) - len, " CONTROL"); 511 if (filt & AR5K_RX_FILTER_BEACON) 512 len += snprintf(buf + len, sizeof(buf) - len, " BEACON"); 513 if (filt & AR5K_RX_FILTER_PROM) 514 len += snprintf(buf + len, sizeof(buf) - len, " PROM"); 515 if (filt & AR5K_RX_FILTER_XRPOLL) 516 len += snprintf(buf + len, sizeof(buf) - len, " XRPOLL"); 517 if (filt & AR5K_RX_FILTER_PROBEREQ) 518 len += snprintf(buf + len, sizeof(buf) - len, " PROBEREQ"); 519 if (filt & AR5K_RX_FILTER_PHYERR_5212) 520 len += snprintf(buf + len, sizeof(buf) - len, " PHYERR-5212"); 521 if (filt & AR5K_RX_FILTER_RADARERR_5212) 522 len += snprintf(buf + len, sizeof(buf) - len, " RADARERR-5212"); 523 if (filt & AR5K_RX_FILTER_PHYERR_5211) 524 snprintf(buf + len, sizeof(buf) - len, " PHYERR-5211"); 525 if (filt & AR5K_RX_FILTER_RADARERR_5211) 526 len += snprintf(buf + len, sizeof(buf) - len, " RADARERR-5211"); 527 528 len += snprintf(buf + len, sizeof(buf) - len, "\nopmode: %s (%d)\n", 529 ath_opmode_to_string(ah->opmode), ah->opmode); 530 531 if (len > sizeof(buf)) 532 len = sizeof(buf); 533 534 return simple_read_from_buffer(user_buf, count, ppos, buf, len); 535 } 536 537 static const struct file_operations fops_misc = { 538 .read = read_file_misc, 539 .open = simple_open, 540 .owner = THIS_MODULE, 541 }; 542 543 544 /* debugfs: frameerrors */ 545 546 static ssize_t read_file_frameerrors(struct file *file, char __user *user_buf, 547 size_t count, loff_t *ppos) 548 { 549 struct ath5k_hw *ah = file->private_data; 550 struct ath5k_statistics *st = &ah->stats; 551 char buf[700]; 552 unsigned int len = 0; 553 int i; 554 555 len += snprintf(buf + len, sizeof(buf) - len, 556 "RX\n---------------------\n"); 557 len += snprintf(buf + len, sizeof(buf) - len, "CRC\t%u\t(%u%%)\n", 558 st->rxerr_crc, 559 st->rx_all_count > 0 ? 560 st->rxerr_crc * 100 / st->rx_all_count : 0); 561 len += snprintf(buf + len, sizeof(buf) - len, "PHY\t%u\t(%u%%)\n", 562 st->rxerr_phy, 563 st->rx_all_count > 0 ? 564 st->rxerr_phy * 100 / st->rx_all_count : 0); 565 for (i = 0; i < 32; i++) { 566 if (st->rxerr_phy_code[i]) 567 len += snprintf(buf + len, sizeof(buf) - len, 568 " phy_err[%u]\t%u\n", 569 i, st->rxerr_phy_code[i]); 570 } 571 572 len += snprintf(buf + len, sizeof(buf) - len, "FIFO\t%u\t(%u%%)\n", 573 st->rxerr_fifo, 574 st->rx_all_count > 0 ? 575 st->rxerr_fifo * 100 / st->rx_all_count : 0); 576 len += snprintf(buf + len, sizeof(buf) - len, "decrypt\t%u\t(%u%%)\n", 577 st->rxerr_decrypt, 578 st->rx_all_count > 0 ? 579 st->rxerr_decrypt * 100 / st->rx_all_count : 0); 580 len += snprintf(buf + len, sizeof(buf) - len, "MIC\t%u\t(%u%%)\n", 581 st->rxerr_mic, 582 st->rx_all_count > 0 ? 583 st->rxerr_mic * 100 / st->rx_all_count : 0); 584 len += snprintf(buf + len, sizeof(buf) - len, "process\t%u\t(%u%%)\n", 585 st->rxerr_proc, 586 st->rx_all_count > 0 ? 587 st->rxerr_proc * 100 / st->rx_all_count : 0); 588 len += snprintf(buf + len, sizeof(buf) - len, "jumbo\t%u\t(%u%%)\n", 589 st->rxerr_jumbo, 590 st->rx_all_count > 0 ? 591 st->rxerr_jumbo * 100 / st->rx_all_count : 0); 592 len += snprintf(buf + len, sizeof(buf) - len, "[RX all\t%u]\n", 593 st->rx_all_count); 594 len += snprintf(buf + len, sizeof(buf) - len, "RX-all-bytes\t%u\n", 595 st->rx_bytes_count); 596 597 len += snprintf(buf + len, sizeof(buf) - len, 598 "\nTX\n---------------------\n"); 599 len += snprintf(buf + len, sizeof(buf) - len, "retry\t%u\t(%u%%)\n", 600 st->txerr_retry, 601 st->tx_all_count > 0 ? 602 st->txerr_retry * 100 / st->tx_all_count : 0); 603 len += snprintf(buf + len, sizeof(buf) - len, "FIFO\t%u\t(%u%%)\n", 604 st->txerr_fifo, 605 st->tx_all_count > 0 ? 606 st->txerr_fifo * 100 / st->tx_all_count : 0); 607 len += snprintf(buf + len, sizeof(buf) - len, "filter\t%u\t(%u%%)\n", 608 st->txerr_filt, 609 st->tx_all_count > 0 ? 610 st->txerr_filt * 100 / st->tx_all_count : 0); 611 len += snprintf(buf + len, sizeof(buf) - len, "[TX all\t%u]\n", 612 st->tx_all_count); 613 len += snprintf(buf + len, sizeof(buf) - len, "TX-all-bytes\t%u\n", 614 st->tx_bytes_count); 615 616 if (len > sizeof(buf)) 617 len = sizeof(buf); 618 619 return simple_read_from_buffer(user_buf, count, ppos, buf, len); 620 } 621 622 static ssize_t write_file_frameerrors(struct file *file, 623 const char __user *userbuf, 624 size_t count, loff_t *ppos) 625 { 626 struct ath5k_hw *ah = file->private_data; 627 struct ath5k_statistics *st = &ah->stats; 628 char buf[20]; 629 630 count = min_t(size_t, count, sizeof(buf) - 1); 631 if (copy_from_user(buf, userbuf, count)) 632 return -EFAULT; 633 634 buf[count] = '\0'; 635 if (strncmp(buf, "clear", 5) == 0) { 636 st->rxerr_crc = 0; 637 st->rxerr_phy = 0; 638 st->rxerr_fifo = 0; 639 st->rxerr_decrypt = 0; 640 st->rxerr_mic = 0; 641 st->rxerr_proc = 0; 642 st->rxerr_jumbo = 0; 643 st->rx_all_count = 0; 644 st->txerr_retry = 0; 645 st->txerr_fifo = 0; 646 st->txerr_filt = 0; 647 st->tx_all_count = 0; 648 pr_info("debug: cleared frameerrors stats\n"); 649 } 650 return count; 651 } 652 653 static const struct file_operations fops_frameerrors = { 654 .read = read_file_frameerrors, 655 .write = write_file_frameerrors, 656 .open = simple_open, 657 .owner = THIS_MODULE, 658 .llseek = default_llseek, 659 }; 660 661 662 /* debugfs: ani */ 663 664 static ssize_t read_file_ani(struct file *file, char __user *user_buf, 665 size_t count, loff_t *ppos) 666 { 667 struct ath5k_hw *ah = file->private_data; 668 struct ath5k_statistics *st = &ah->stats; 669 struct ath5k_ani_state *as = &ah->ani_state; 670 671 char buf[700]; 672 unsigned int len = 0; 673 674 len += snprintf(buf + len, sizeof(buf) - len, 675 "HW has PHY error counters:\t%s\n", 676 ah->ah_capabilities.cap_has_phyerr_counters ? 677 "yes" : "no"); 678 len += snprintf(buf + len, sizeof(buf) - len, 679 "HW max spur immunity level:\t%d\n", 680 as->max_spur_level); 681 len += snprintf(buf + len, sizeof(buf) - len, 682 "\nANI state\n--------------------------------------------\n"); 683 len += snprintf(buf + len, sizeof(buf) - len, "operating mode:\t\t\t"); 684 switch (as->ani_mode) { 685 case ATH5K_ANI_MODE_OFF: 686 len += snprintf(buf + len, sizeof(buf) - len, "OFF\n"); 687 break; 688 case ATH5K_ANI_MODE_MANUAL_LOW: 689 len += snprintf(buf + len, sizeof(buf) - len, 690 "MANUAL LOW\n"); 691 break; 692 case ATH5K_ANI_MODE_MANUAL_HIGH: 693 len += snprintf(buf + len, sizeof(buf) - len, 694 "MANUAL HIGH\n"); 695 break; 696 case ATH5K_ANI_MODE_AUTO: 697 len += snprintf(buf + len, sizeof(buf) - len, "AUTO\n"); 698 break; 699 default: 700 len += snprintf(buf + len, sizeof(buf) - len, 701 "??? (not good)\n"); 702 break; 703 } 704 len += snprintf(buf + len, sizeof(buf) - len, 705 "noise immunity level:\t\t%d\n", 706 as->noise_imm_level); 707 len += snprintf(buf + len, sizeof(buf) - len, 708 "spur immunity level:\t\t%d\n", 709 as->spur_level); 710 len += snprintf(buf + len, sizeof(buf) - len, 711 "firstep level:\t\t\t%d\n", 712 as->firstep_level); 713 len += snprintf(buf + len, sizeof(buf) - len, 714 "OFDM weak signal detection:\t%s\n", 715 as->ofdm_weak_sig ? "on" : "off"); 716 len += snprintf(buf + len, sizeof(buf) - len, 717 "CCK weak signal detection:\t%s\n", 718 as->cck_weak_sig ? "on" : "off"); 719 720 len += snprintf(buf + len, sizeof(buf) - len, 721 "\nMIB INTERRUPTS:\t\t%u\n", 722 st->mib_intr); 723 len += snprintf(buf + len, sizeof(buf) - len, 724 "beacon RSSI average:\t%d\n", 725 (int)ewma_beacon_rssi_read(&ah->ah_beacon_rssi_avg)); 726 727 #define CC_PRINT(_struct, _field) \ 728 _struct._field, \ 729 _struct.cycles > 0 ? \ 730 _struct._field * 100 / _struct.cycles : 0 731 732 len += snprintf(buf + len, sizeof(buf) - len, 733 "profcnt tx\t\t%u\t(%d%%)\n", 734 CC_PRINT(as->last_cc, tx_frame)); 735 len += snprintf(buf + len, sizeof(buf) - len, 736 "profcnt rx\t\t%u\t(%d%%)\n", 737 CC_PRINT(as->last_cc, rx_frame)); 738 len += snprintf(buf + len, sizeof(buf) - len, 739 "profcnt busy\t\t%u\t(%d%%)\n", 740 CC_PRINT(as->last_cc, rx_busy)); 741 #undef CC_PRINT 742 len += snprintf(buf + len, sizeof(buf) - len, "profcnt cycles\t\t%u\n", 743 as->last_cc.cycles); 744 len += snprintf(buf + len, sizeof(buf) - len, 745 "listen time\t\t%d\tlast: %d\n", 746 as->listen_time, as->last_listen); 747 len += snprintf(buf + len, sizeof(buf) - len, 748 "OFDM errors\t\t%u\tlast: %u\tsum: %u\n", 749 as->ofdm_errors, as->last_ofdm_errors, 750 as->sum_ofdm_errors); 751 len += snprintf(buf + len, sizeof(buf) - len, 752 "CCK errors\t\t%u\tlast: %u\tsum: %u\n", 753 as->cck_errors, as->last_cck_errors, 754 as->sum_cck_errors); 755 len += snprintf(buf + len, sizeof(buf) - len, 756 "AR5K_PHYERR_CNT1\t%x\t(=%d)\n", 757 ath5k_hw_reg_read(ah, AR5K_PHYERR_CNT1), 758 ATH5K_ANI_OFDM_TRIG_HIGH - (ATH5K_PHYERR_CNT_MAX - 759 ath5k_hw_reg_read(ah, AR5K_PHYERR_CNT1))); 760 len += snprintf(buf + len, sizeof(buf) - len, 761 "AR5K_PHYERR_CNT2\t%x\t(=%d)\n", 762 ath5k_hw_reg_read(ah, AR5K_PHYERR_CNT2), 763 ATH5K_ANI_CCK_TRIG_HIGH - (ATH5K_PHYERR_CNT_MAX - 764 ath5k_hw_reg_read(ah, AR5K_PHYERR_CNT2))); 765 766 if (len > sizeof(buf)) 767 len = sizeof(buf); 768 769 return simple_read_from_buffer(user_buf, count, ppos, buf, len); 770 } 771 772 static ssize_t write_file_ani(struct file *file, 773 const char __user *userbuf, 774 size_t count, loff_t *ppos) 775 { 776 struct ath5k_hw *ah = file->private_data; 777 char buf[20]; 778 779 count = min_t(size_t, count, sizeof(buf) - 1); 780 if (copy_from_user(buf, userbuf, count)) 781 return -EFAULT; 782 783 buf[count] = '\0'; 784 if (strncmp(buf, "sens-low", 8) == 0) { 785 ath5k_ani_init(ah, ATH5K_ANI_MODE_MANUAL_HIGH); 786 } else if (strncmp(buf, "sens-high", 9) == 0) { 787 ath5k_ani_init(ah, ATH5K_ANI_MODE_MANUAL_LOW); 788 } else if (strncmp(buf, "ani-off", 7) == 0) { 789 ath5k_ani_init(ah, ATH5K_ANI_MODE_OFF); 790 } else if (strncmp(buf, "ani-on", 6) == 0) { 791 ath5k_ani_init(ah, ATH5K_ANI_MODE_AUTO); 792 } else if (strncmp(buf, "noise-low", 9) == 0) { 793 ath5k_ani_set_noise_immunity_level(ah, 0); 794 } else if (strncmp(buf, "noise-high", 10) == 0) { 795 ath5k_ani_set_noise_immunity_level(ah, 796 ATH5K_ANI_MAX_NOISE_IMM_LVL); 797 } else if (strncmp(buf, "spur-low", 8) == 0) { 798 ath5k_ani_set_spur_immunity_level(ah, 0); 799 } else if (strncmp(buf, "spur-high", 9) == 0) { 800 ath5k_ani_set_spur_immunity_level(ah, 801 ah->ani_state.max_spur_level); 802 } else if (strncmp(buf, "fir-low", 7) == 0) { 803 ath5k_ani_set_firstep_level(ah, 0); 804 } else if (strncmp(buf, "fir-high", 8) == 0) { 805 ath5k_ani_set_firstep_level(ah, ATH5K_ANI_MAX_FIRSTEP_LVL); 806 } else if (strncmp(buf, "ofdm-off", 8) == 0) { 807 ath5k_ani_set_ofdm_weak_signal_detection(ah, false); 808 } else if (strncmp(buf, "ofdm-on", 7) == 0) { 809 ath5k_ani_set_ofdm_weak_signal_detection(ah, true); 810 } else if (strncmp(buf, "cck-off", 7) == 0) { 811 ath5k_ani_set_cck_weak_signal_detection(ah, false); 812 } else if (strncmp(buf, "cck-on", 6) == 0) { 813 ath5k_ani_set_cck_weak_signal_detection(ah, true); 814 } 815 return count; 816 } 817 818 static const struct file_operations fops_ani = { 819 .read = read_file_ani, 820 .write = write_file_ani, 821 .open = simple_open, 822 .owner = THIS_MODULE, 823 .llseek = default_llseek, 824 }; 825 826 827 /* debugfs: queues etc */ 828 829 static ssize_t read_file_queue(struct file *file, char __user *user_buf, 830 size_t count, loff_t *ppos) 831 { 832 struct ath5k_hw *ah = file->private_data; 833 char buf[700]; 834 unsigned int len = 0; 835 836 struct ath5k_txq *txq; 837 struct ath5k_buf *bf, *bf0; 838 int i, n; 839 840 len += snprintf(buf + len, sizeof(buf) - len, 841 "available txbuffers: %d\n", ah->txbuf_len); 842 843 for (i = 0; i < ARRAY_SIZE(ah->txqs); i++) { 844 txq = &ah->txqs[i]; 845 846 len += snprintf(buf + len, sizeof(buf) - len, 847 "%02d: %ssetup\n", i, txq->setup ? "" : "not "); 848 849 if (!txq->setup) 850 continue; 851 852 n = 0; 853 spin_lock_bh(&txq->lock); 854 list_for_each_entry_safe(bf, bf0, &txq->q, list) 855 n++; 856 spin_unlock_bh(&txq->lock); 857 858 len += snprintf(buf + len, sizeof(buf) - len, 859 " len: %d bufs: %d\n", txq->txq_len, n); 860 len += snprintf(buf + len, sizeof(buf) - len, 861 " stuck: %d\n", txq->txq_stuck); 862 } 863 864 if (len > sizeof(buf)) 865 len = sizeof(buf); 866 867 return simple_read_from_buffer(user_buf, count, ppos, buf, len); 868 } 869 870 static ssize_t write_file_queue(struct file *file, 871 const char __user *userbuf, 872 size_t count, loff_t *ppos) 873 { 874 struct ath5k_hw *ah = file->private_data; 875 char buf[20]; 876 877 count = min_t(size_t, count, sizeof(buf) - 1); 878 if (copy_from_user(buf, userbuf, count)) 879 return -EFAULT; 880 881 buf[count] = '\0'; 882 if (strncmp(buf, "start", 5) == 0) 883 ieee80211_wake_queues(ah->hw); 884 else if (strncmp(buf, "stop", 4) == 0) 885 ieee80211_stop_queues(ah->hw); 886 887 return count; 888 } 889 890 891 static const struct file_operations fops_queue = { 892 .read = read_file_queue, 893 .write = write_file_queue, 894 .open = simple_open, 895 .owner = THIS_MODULE, 896 .llseek = default_llseek, 897 }; 898 899 /* debugfs: eeprom */ 900 901 struct eeprom_private { 902 u16 *buf; 903 int len; 904 }; 905 906 static int open_file_eeprom(struct inode *inode, struct file *file) 907 { 908 struct eeprom_private *ep; 909 struct ath5k_hw *ah = inode->i_private; 910 bool res; 911 int i, ret; 912 u32 eesize; 913 u16 val, *buf; 914 915 /* Get eeprom size */ 916 917 res = ath5k_hw_nvram_read(ah, AR5K_EEPROM_SIZE_UPPER, &val); 918 if (!res) 919 return -EACCES; 920 921 if (val == 0) { 922 eesize = AR5K_EEPROM_INFO_MAX + AR5K_EEPROM_INFO_BASE; 923 } else { 924 eesize = (val & AR5K_EEPROM_SIZE_UPPER_MASK) << 925 AR5K_EEPROM_SIZE_ENDLOC_SHIFT; 926 ath5k_hw_nvram_read(ah, AR5K_EEPROM_SIZE_LOWER, &val); 927 eesize = eesize | val; 928 } 929 930 if (eesize > 4096) 931 return -EINVAL; 932 933 /* Create buffer and read in eeprom */ 934 935 buf = vmalloc(eesize); 936 if (!buf) { 937 ret = -ENOMEM; 938 goto err; 939 } 940 941 for (i = 0; i < eesize; ++i) { 942 AR5K_EEPROM_READ(i, val); 943 buf[i] = val; 944 } 945 946 /* Create private struct and assign to file */ 947 948 ep = kmalloc(sizeof(*ep), GFP_KERNEL); 949 if (!ep) { 950 ret = -ENOMEM; 951 goto freebuf; 952 } 953 954 ep->buf = buf; 955 ep->len = i; 956 957 file->private_data = (void *)ep; 958 959 return 0; 960 961 freebuf: 962 vfree(buf); 963 err: 964 return ret; 965 966 } 967 968 static ssize_t read_file_eeprom(struct file *file, char __user *user_buf, 969 size_t count, loff_t *ppos) 970 { 971 struct eeprom_private *ep = file->private_data; 972 973 return simple_read_from_buffer(user_buf, count, ppos, ep->buf, ep->len); 974 } 975 976 static int release_file_eeprom(struct inode *inode, struct file *file) 977 { 978 struct eeprom_private *ep = file->private_data; 979 980 vfree(ep->buf); 981 kfree(ep); 982 983 return 0; 984 } 985 986 static const struct file_operations fops_eeprom = { 987 .open = open_file_eeprom, 988 .read = read_file_eeprom, 989 .release = release_file_eeprom, 990 .owner = THIS_MODULE, 991 }; 992 993 994 void 995 ath5k_debug_init_device(struct ath5k_hw *ah) 996 { 997 struct dentry *phydir; 998 999 ah->debug.level = ath5k_debug; 1000 1001 phydir = debugfs_create_dir("ath5k", ah->hw->wiphy->debugfsdir); 1002 if (!phydir) 1003 return; 1004 1005 debugfs_create_file("debug", S_IWUSR | S_IRUSR, phydir, ah, 1006 &fops_debug); 1007 1008 debugfs_create_file("registers", S_IRUSR, phydir, ah, &fops_registers); 1009 1010 debugfs_create_file("beacon", S_IWUSR | S_IRUSR, phydir, ah, 1011 &fops_beacon); 1012 1013 debugfs_create_file("reset", S_IWUSR, phydir, ah, &fops_reset); 1014 1015 debugfs_create_file("antenna", S_IWUSR | S_IRUSR, phydir, ah, 1016 &fops_antenna); 1017 1018 debugfs_create_file("misc", S_IRUSR, phydir, ah, &fops_misc); 1019 1020 debugfs_create_file("eeprom", S_IRUSR, phydir, ah, &fops_eeprom); 1021 1022 debugfs_create_file("frameerrors", S_IWUSR | S_IRUSR, phydir, ah, 1023 &fops_frameerrors); 1024 1025 debugfs_create_file("ani", S_IWUSR | S_IRUSR, phydir, ah, &fops_ani); 1026 1027 debugfs_create_file("queue", S_IWUSR | S_IRUSR, phydir, ah, 1028 &fops_queue); 1029 1030 debugfs_create_bool("32khz_clock", S_IWUSR | S_IRUSR, phydir, 1031 &ah->ah_use_32khz_clock); 1032 } 1033 1034 /* functions used in other places */ 1035 1036 void 1037 ath5k_debug_dump_bands(struct ath5k_hw *ah) 1038 { 1039 unsigned int b, i; 1040 1041 if (likely(!(ah->debug.level & ATH5K_DEBUG_DUMPBANDS))) 1042 return; 1043 1044 BUG_ON(!ah->sbands); 1045 1046 for (b = 0; b < IEEE80211_NUM_BANDS; b++) { 1047 struct ieee80211_supported_band *band = &ah->sbands[b]; 1048 char bname[6]; 1049 switch (band->band) { 1050 case IEEE80211_BAND_2GHZ: 1051 strcpy(bname, "2 GHz"); 1052 break; 1053 case IEEE80211_BAND_5GHZ: 1054 strcpy(bname, "5 GHz"); 1055 break; 1056 default: 1057 printk(KERN_DEBUG "Band not supported: %d\n", 1058 band->band); 1059 return; 1060 } 1061 printk(KERN_DEBUG "Band %s: channels %d, rates %d\n", bname, 1062 band->n_channels, band->n_bitrates); 1063 printk(KERN_DEBUG " channels:\n"); 1064 for (i = 0; i < band->n_channels; i++) 1065 printk(KERN_DEBUG " %3d %d %.4x %.4x\n", 1066 ieee80211_frequency_to_channel( 1067 band->channels[i].center_freq), 1068 band->channels[i].center_freq, 1069 band->channels[i].hw_value, 1070 band->channels[i].flags); 1071 printk(KERN_DEBUG " rates:\n"); 1072 for (i = 0; i < band->n_bitrates; i++) 1073 printk(KERN_DEBUG " %4d %.4x %.4x %.4x\n", 1074 band->bitrates[i].bitrate, 1075 band->bitrates[i].hw_value, 1076 band->bitrates[i].flags, 1077 band->bitrates[i].hw_value_short); 1078 } 1079 } 1080 1081 static inline void 1082 ath5k_debug_printrxbuf(struct ath5k_buf *bf, int done, 1083 struct ath5k_rx_status *rs) 1084 { 1085 struct ath5k_desc *ds = bf->desc; 1086 struct ath5k_hw_all_rx_desc *rd = &ds->ud.ds_rx; 1087 1088 printk(KERN_DEBUG "R (%p %llx) %08x %08x %08x %08x %08x %08x %c\n", 1089 ds, (unsigned long long)bf->daddr, 1090 ds->ds_link, ds->ds_data, 1091 rd->rx_ctl.rx_control_0, rd->rx_ctl.rx_control_1, 1092 rd->rx_stat.rx_status_0, rd->rx_stat.rx_status_1, 1093 !done ? ' ' : (rs->rs_status == 0) ? '*' : '!'); 1094 } 1095 1096 void 1097 ath5k_debug_printrxbuffs(struct ath5k_hw *ah) 1098 { 1099 struct ath5k_desc *ds; 1100 struct ath5k_buf *bf; 1101 struct ath5k_rx_status rs = {}; 1102 int status; 1103 1104 if (likely(!(ah->debug.level & ATH5K_DEBUG_DESC))) 1105 return; 1106 1107 printk(KERN_DEBUG "rxdp %x, rxlink %p\n", 1108 ath5k_hw_get_rxdp(ah), ah->rxlink); 1109 1110 spin_lock_bh(&ah->rxbuflock); 1111 list_for_each_entry(bf, &ah->rxbuf, list) { 1112 ds = bf->desc; 1113 status = ah->ah_proc_rx_desc(ah, ds, &rs); 1114 if (!status) 1115 ath5k_debug_printrxbuf(bf, status == 0, &rs); 1116 } 1117 spin_unlock_bh(&ah->rxbuflock); 1118 } 1119 1120 void 1121 ath5k_debug_printtxbuf(struct ath5k_hw *ah, struct ath5k_buf *bf) 1122 { 1123 struct ath5k_desc *ds = bf->desc; 1124 struct ath5k_hw_5212_tx_desc *td = &ds->ud.ds_tx5212; 1125 struct ath5k_tx_status ts = {}; 1126 int done; 1127 1128 if (likely(!(ah->debug.level & ATH5K_DEBUG_DESC))) 1129 return; 1130 1131 done = ah->ah_proc_tx_desc(ah, bf->desc, &ts); 1132 1133 printk(KERN_DEBUG "T (%p %llx) %08x %08x %08x %08x %08x %08x %08x " 1134 "%08x %c\n", ds, (unsigned long long)bf->daddr, ds->ds_link, 1135 ds->ds_data, td->tx_ctl.tx_control_0, td->tx_ctl.tx_control_1, 1136 td->tx_ctl.tx_control_2, td->tx_ctl.tx_control_3, 1137 td->tx_stat.tx_status_0, td->tx_stat.tx_status_1, 1138 done ? ' ' : (ts.ts_status == 0) ? '*' : '!'); 1139 } 1140