1461 lines · c
1/*2 * Copyright (c) 2008-2011 Atheros Communications Inc.3 *4 * Permission to use, copy, modify, and/or distribute this software for any5 * purpose with or without fee is hereby granted, provided that the above6 * copyright notice and this permission notice appear in all copies.7 *8 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES9 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF10 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR11 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN13 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF14 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.15 */16 17#include <linux/slab.h>18#include <linux/vmalloc.h>19#include <linux/export.h>20#include <linux/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 29void ath9k_debug_sync_cause(struct ath_softc *sc, u32 sync_cause)30{31 if (sync_cause)32 sc->debug.stats.istats.sync_cause_all++;33 if (sync_cause & AR_INTR_SYNC_RTC_IRQ)34 sc->debug.stats.istats.sync_rtc_irq++;35 if (sync_cause & AR_INTR_SYNC_MAC_IRQ)36 sc->debug.stats.istats.sync_mac_irq++;37 if (sync_cause & AR_INTR_SYNC_EEPROM_ILLEGAL_ACCESS)38 sc->debug.stats.istats.eeprom_illegal_access++;39 if (sync_cause & AR_INTR_SYNC_APB_TIMEOUT)40 sc->debug.stats.istats.apb_timeout++;41 if (sync_cause & AR_INTR_SYNC_PCI_MODE_CONFLICT)42 sc->debug.stats.istats.pci_mode_conflict++;43 if (sync_cause & AR_INTR_SYNC_HOST1_FATAL)44 sc->debug.stats.istats.host1_fatal++;45 if (sync_cause & AR_INTR_SYNC_HOST1_PERR)46 sc->debug.stats.istats.host1_perr++;47 if (sync_cause & AR_INTR_SYNC_TRCV_FIFO_PERR)48 sc->debug.stats.istats.trcv_fifo_perr++;49 if (sync_cause & AR_INTR_SYNC_RADM_CPL_EP)50 sc->debug.stats.istats.radm_cpl_ep++;51 if (sync_cause & AR_INTR_SYNC_RADM_CPL_DLLP_ABORT)52 sc->debug.stats.istats.radm_cpl_dllp_abort++;53 if (sync_cause & AR_INTR_SYNC_RADM_CPL_TLP_ABORT)54 sc->debug.stats.istats.radm_cpl_tlp_abort++;55 if (sync_cause & AR_INTR_SYNC_RADM_CPL_ECRC_ERR)56 sc->debug.stats.istats.radm_cpl_ecrc_err++;57 if (sync_cause & AR_INTR_SYNC_RADM_CPL_TIMEOUT)58 sc->debug.stats.istats.radm_cpl_timeout++;59 if (sync_cause & AR_INTR_SYNC_LOCAL_TIMEOUT)60 sc->debug.stats.istats.local_timeout++;61 if (sync_cause & AR_INTR_SYNC_PM_ACCESS)62 sc->debug.stats.istats.pm_access++;63 if (sync_cause & AR_INTR_SYNC_MAC_AWAKE)64 sc->debug.stats.istats.mac_awake++;65 if (sync_cause & AR_INTR_SYNC_MAC_ASLEEP)66 sc->debug.stats.istats.mac_asleep++;67 if (sync_cause & AR_INTR_SYNC_MAC_SLEEP_ACCESS)68 sc->debug.stats.istats.mac_sleep_access++;69}70 71static ssize_t ath9k_debugfs_read_buf(struct file *file, char __user *user_buf,72 size_t count, loff_t *ppos)73{74 u8 *buf = file->private_data;75 return simple_read_from_buffer(user_buf, count, ppos, buf, strlen(buf));76}77 78static int ath9k_debugfs_release_buf(struct inode *inode, struct file *file)79{80 vfree(file->private_data);81 return 0;82}83 84#ifdef CONFIG_ATH_DEBUG85 86static ssize_t read_file_debug(struct file *file, char __user *user_buf,87 size_t count, loff_t *ppos)88{89 struct ath_softc *sc = file->private_data;90 struct ath_common *common = ath9k_hw_common(sc->sc_ah);91 char buf[32];92 unsigned int len;93 94 len = sprintf(buf, "0x%08x\n", common->debug_mask);95 return simple_read_from_buffer(user_buf, count, ppos, buf, len);96}97 98static ssize_t write_file_debug(struct file *file, const char __user *user_buf,99 size_t count, loff_t *ppos)100{101 struct ath_softc *sc = file->private_data;102 struct ath_common *common = ath9k_hw_common(sc->sc_ah);103 unsigned long mask;104 ssize_t ret;105 106 ret = kstrtoul_from_user(user_buf, count, 0, &mask);107 if (ret)108 return ret;109 110 common->debug_mask = mask;111 return count;112}113 114static const struct file_operations fops_debug = {115 .read = read_file_debug,116 .write = write_file_debug,117 .open = simple_open,118 .owner = THIS_MODULE,119 .llseek = default_llseek,120};121 122#endif123 124#define DMA_BUF_LEN 1024125 126 127static ssize_t read_file_ani(struct file *file, char __user *user_buf,128 size_t count, loff_t *ppos)129{130 struct ath_softc *sc = file->private_data;131 struct ath_common *common = ath9k_hw_common(sc->sc_ah);132 struct ath_hw *ah = sc->sc_ah;133 unsigned int len = 0;134 const unsigned int size = 1024;135 ssize_t retval = 0;136 char *buf;137 int i;138 struct {139 const char *name;140 unsigned int val;141 } ani_info[] = {142 { "ANI RESET", ah->stats.ast_ani_reset },143 { "OFDM LEVEL", ah->ani.ofdmNoiseImmunityLevel },144 { "CCK LEVEL", ah->ani.cckNoiseImmunityLevel },145 { "SPUR UP", ah->stats.ast_ani_spurup },146 { "SPUR DOWN", ah->stats.ast_ani_spurdown },147 { "OFDM WS-DET ON", ah->stats.ast_ani_ofdmon },148 { "OFDM WS-DET OFF", ah->stats.ast_ani_ofdmoff },149 { "MRC-CCK ON", ah->stats.ast_ani_ccklow },150 { "MRC-CCK OFF", ah->stats.ast_ani_cckhigh },151 { "FIR-STEP UP", ah->stats.ast_ani_stepup },152 { "FIR-STEP DOWN", ah->stats.ast_ani_stepdown },153 { "INV LISTENTIME", ah->stats.ast_ani_lneg_or_lzero },154 { "OFDM ERRORS", ah->stats.ast_ani_ofdmerrs },155 { "CCK ERRORS", ah->stats.ast_ani_cckerrs },156 };157 158 buf = kzalloc(size, GFP_KERNEL);159 if (buf == NULL)160 return -ENOMEM;161 162 len += scnprintf(buf + len, size - len, "%15s: %s\n", "ANI",163 common->disable_ani ? "DISABLED" : "ENABLED");164 165 if (common->disable_ani)166 goto exit;167 168 for (i = 0; i < ARRAY_SIZE(ani_info); i++)169 len += scnprintf(buf + len, size - len, "%15s: %u\n",170 ani_info[i].name, ani_info[i].val);171 172exit:173 if (len > size)174 len = size;175 176 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);177 kfree(buf);178 179 return retval;180}181 182static ssize_t write_file_ani(struct file *file,183 const char __user *user_buf,184 size_t count, loff_t *ppos)185{186 struct ath_softc *sc = file->private_data;187 struct ath_common *common = ath9k_hw_common(sc->sc_ah);188 unsigned long ani;189 ssize_t ret;190 191 ret = kstrtoul_from_user(user_buf, count, 0, &ani);192 if (ret)193 return ret;194 195 if (ani > 1)196 return -EINVAL;197 198 common->disable_ani = !ani;199 200 if (common->disable_ani) {201 clear_bit(ATH_OP_ANI_RUN, &common->op_flags);202 ath_stop_ani(sc);203 } else {204 ath_check_ani(sc);205 }206 207 return count;208}209 210static const struct file_operations fops_ani = {211 .read = read_file_ani,212 .write = write_file_ani,213 .open = simple_open,214 .owner = THIS_MODULE,215 .llseek = default_llseek,216};217 218#ifdef CONFIG_ATH9K_BTCOEX_SUPPORT219 220static ssize_t read_file_bt_ant_diversity(struct file *file,221 char __user *user_buf,222 size_t count, loff_t *ppos)223{224 struct ath_softc *sc = file->private_data;225 struct ath_common *common = ath9k_hw_common(sc->sc_ah);226 char buf[32];227 unsigned int len;228 229 len = sprintf(buf, "%d\n", common->bt_ant_diversity);230 return simple_read_from_buffer(user_buf, count, ppos, buf, len);231}232 233static ssize_t write_file_bt_ant_diversity(struct file *file,234 const char __user *user_buf,235 size_t count, loff_t *ppos)236{237 struct ath_softc *sc = file->private_data;238 struct ath_common *common = ath9k_hw_common(sc->sc_ah);239 struct ath9k_hw_capabilities *pCap = &sc->sc_ah->caps;240 unsigned long bt_ant_diversity;241 ssize_t ret;242 243 ret = kstrtoul_from_user(user_buf, count, 0, &bt_ant_diversity);244 if (ret)245 return ret;246 247 if (!(pCap->hw_caps & ATH9K_HW_CAP_BT_ANT_DIV))248 goto exit;249 250 common->bt_ant_diversity = !!bt_ant_diversity;251 ath9k_ps_wakeup(sc);252 ath9k_hw_set_bt_ant_diversity(sc->sc_ah, common->bt_ant_diversity);253 ath_dbg(common, CONFIG, "Enable WLAN/BT RX Antenna diversity: %d\n",254 common->bt_ant_diversity);255 ath9k_ps_restore(sc);256exit:257 return count;258}259 260static const struct file_operations fops_bt_ant_diversity = {261 .read = read_file_bt_ant_diversity,262 .write = write_file_bt_ant_diversity,263 .open = simple_open,264 .owner = THIS_MODULE,265 .llseek = default_llseek,266};267 268#endif269 270void ath9k_debug_stat_ant(struct ath_softc *sc,271 struct ath_hw_antcomb_conf *div_ant_conf,272 int main_rssi_avg, int alt_rssi_avg)273{274 struct ath_antenna_stats *as_main = &sc->debug.stats.ant_stats[ANT_MAIN];275 struct ath_antenna_stats *as_alt = &sc->debug.stats.ant_stats[ANT_ALT];276 277 as_main->lna_attempt_cnt[div_ant_conf->main_lna_conf]++;278 as_alt->lna_attempt_cnt[div_ant_conf->alt_lna_conf]++;279 280 as_main->rssi_avg = main_rssi_avg;281 as_alt->rssi_avg = alt_rssi_avg;282}283 284static ssize_t read_file_antenna_diversity(struct file *file,285 char __user *user_buf,286 size_t count, loff_t *ppos)287{288 struct ath_softc *sc = file->private_data;289 struct ath_hw *ah = sc->sc_ah;290 struct ath9k_hw_capabilities *pCap = &ah->caps;291 struct ath_antenna_stats *as_main = &sc->debug.stats.ant_stats[ANT_MAIN];292 struct ath_antenna_stats *as_alt = &sc->debug.stats.ant_stats[ANT_ALT];293 struct ath_hw_antcomb_conf div_ant_conf;294 unsigned int len = 0;295 const unsigned int size = 1024;296 ssize_t retval = 0;297 char *buf;298 static const char *lna_conf_str[4] = {299 "LNA1_MINUS_LNA2", "LNA2", "LNA1", "LNA1_PLUS_LNA2"300 };301 302 buf = kzalloc(size, GFP_KERNEL);303 if (buf == NULL)304 return -ENOMEM;305 306 if (!(pCap->hw_caps & ATH9K_HW_CAP_ANT_DIV_COMB)) {307 len += scnprintf(buf + len, size - len, "%s\n",308 "Antenna Diversity Combining is disabled");309 goto exit;310 }311 312 ath9k_ps_wakeup(sc);313 ath9k_hw_antdiv_comb_conf_get(ah, &div_ant_conf);314 len += scnprintf(buf + len, size - len, "Current MAIN config : %s\n",315 lna_conf_str[div_ant_conf.main_lna_conf]);316 len += scnprintf(buf + len, size - len, "Current ALT config : %s\n",317 lna_conf_str[div_ant_conf.alt_lna_conf]);318 len += scnprintf(buf + len, size - len, "Average MAIN RSSI : %d\n",319 as_main->rssi_avg);320 len += scnprintf(buf + len, size - len, "Average ALT RSSI : %d\n\n",321 as_alt->rssi_avg);322 ath9k_ps_restore(sc);323 324 len += scnprintf(buf + len, size - len, "Packet Receive Cnt:\n");325 len += scnprintf(buf + len, size - len, "-------------------\n");326 327 len += scnprintf(buf + len, size - len, "%30s%15s\n",328 "MAIN", "ALT");329 len += scnprintf(buf + len, size - len, "%-14s:%15d%15d\n",330 "TOTAL COUNT",331 as_main->recv_cnt,332 as_alt->recv_cnt);333 len += scnprintf(buf + len, size - len, "%-14s:%15d%15d\n",334 "LNA1",335 as_main->lna_recv_cnt[ATH_ANT_DIV_COMB_LNA1],336 as_alt->lna_recv_cnt[ATH_ANT_DIV_COMB_LNA1]);337 len += scnprintf(buf + len, size - len, "%-14s:%15d%15d\n",338 "LNA2",339 as_main->lna_recv_cnt[ATH_ANT_DIV_COMB_LNA2],340 as_alt->lna_recv_cnt[ATH_ANT_DIV_COMB_LNA2]);341 len += scnprintf(buf + len, size - len, "%-14s:%15d%15d\n",342 "LNA1 + LNA2",343 as_main->lna_recv_cnt[ATH_ANT_DIV_COMB_LNA1_PLUS_LNA2],344 as_alt->lna_recv_cnt[ATH_ANT_DIV_COMB_LNA1_PLUS_LNA2]);345 len += scnprintf(buf + len, size - len, "%-14s:%15d%15d\n",346 "LNA1 - LNA2",347 as_main->lna_recv_cnt[ATH_ANT_DIV_COMB_LNA1_MINUS_LNA2],348 as_alt->lna_recv_cnt[ATH_ANT_DIV_COMB_LNA1_MINUS_LNA2]);349 350 len += scnprintf(buf + len, size - len, "\nLNA Config Attempts:\n");351 len += scnprintf(buf + len, size - len, "--------------------\n");352 353 len += scnprintf(buf + len, size - len, "%30s%15s\n",354 "MAIN", "ALT");355 len += scnprintf(buf + len, size - len, "%-14s:%15d%15d\n",356 "LNA1",357 as_main->lna_attempt_cnt[ATH_ANT_DIV_COMB_LNA1],358 as_alt->lna_attempt_cnt[ATH_ANT_DIV_COMB_LNA1]);359 len += scnprintf(buf + len, size - len, "%-14s:%15d%15d\n",360 "LNA2",361 as_main->lna_attempt_cnt[ATH_ANT_DIV_COMB_LNA2],362 as_alt->lna_attempt_cnt[ATH_ANT_DIV_COMB_LNA2]);363 len += scnprintf(buf + len, size - len, "%-14s:%15d%15d\n",364 "LNA1 + LNA2",365 as_main->lna_attempt_cnt[ATH_ANT_DIV_COMB_LNA1_PLUS_LNA2],366 as_alt->lna_attempt_cnt[ATH_ANT_DIV_COMB_LNA1_PLUS_LNA2]);367 len += scnprintf(buf + len, size - len, "%-14s:%15d%15d\n",368 "LNA1 - LNA2",369 as_main->lna_attempt_cnt[ATH_ANT_DIV_COMB_LNA1_MINUS_LNA2],370 as_alt->lna_attempt_cnt[ATH_ANT_DIV_COMB_LNA1_MINUS_LNA2]);371 372exit:373 if (len > size)374 len = size;375 376 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);377 kfree(buf);378 379 return retval;380}381 382static const struct file_operations fops_antenna_diversity = {383 .read = read_file_antenna_diversity,384 .open = simple_open,385 .owner = THIS_MODULE,386 .llseek = default_llseek,387};388 389static int read_file_dma(struct seq_file *file, void *data)390{391 struct ieee80211_hw *hw = dev_get_drvdata(file->private);392 struct ath_softc *sc = hw->priv;393 struct ath_hw *ah = sc->sc_ah;394 u32 val[ATH9K_NUM_DMA_DEBUG_REGS];395 int i, qcuOffset = 0, dcuOffset = 0;396 u32 *qcuBase = &val[0], *dcuBase = &val[4];397 398 ath9k_ps_wakeup(sc);399 400 REG_WRITE_D(ah, AR_MACMISC,401 ((AR_MACMISC_DMA_OBS_LINE_8 << AR_MACMISC_DMA_OBS_S) |402 (AR_MACMISC_MISC_OBS_BUS_1 <<403 AR_MACMISC_MISC_OBS_BUS_MSB_S)));404 405 seq_puts(file, "Raw DMA Debug values:\n");406 407 for (i = 0; i < ATH9K_NUM_DMA_DEBUG_REGS; i++) {408 if (i % 4 == 0)409 seq_puts(file, "\n");410 411 val[i] = REG_READ_D(ah, AR_DMADBG_0 + (i * sizeof(u32)));412 seq_printf(file, "%d: %08x ", i, val[i]);413 }414 415 seq_puts(file, "\n\n");416 seq_puts(file, "Num QCU: chain_st fsp_ok fsp_st DCU: chain_st\n");417 418 for (i = 0; i < ATH9K_NUM_QUEUES; i++, qcuOffset += 4, dcuOffset += 5) {419 if (i == 8) {420 qcuOffset = 0;421 qcuBase++;422 }423 424 if (i == 6) {425 dcuOffset = 0;426 dcuBase++;427 }428 429 seq_printf(file, "%2d %2x %1x %2x %2x\n",430 i, (*qcuBase & (0x7 << qcuOffset)) >> qcuOffset,431 (*qcuBase & (0x8 << qcuOffset)) >> (qcuOffset + 3),432 (val[2] & (0x7 << (i * 3))) >> (i * 3),433 (*dcuBase & (0x1f << dcuOffset)) >> dcuOffset);434 }435 436 seq_puts(file, "\n");437 438 seq_printf(file, "qcu_stitch state: %2x qcu_fetch state: %2x\n",439 (val[3] & 0x003c0000) >> 18, (val[3] & 0x03c00000) >> 22);440 seq_printf(file, "qcu_complete state: %2x dcu_complete state: %2x\n",441 (val[3] & 0x1c000000) >> 26, (val[6] & 0x3));442 seq_printf(file, "dcu_arb state: %2x dcu_fp state: %2x\n",443 (val[5] & 0x06000000) >> 25, (val[5] & 0x38000000) >> 27);444 seq_printf(file, "chan_idle_dur: %3d chan_idle_dur_valid: %1d\n",445 (val[6] & 0x000003fc) >> 2, (val[6] & 0x00000400) >> 10);446 seq_printf(file, "txfifo_valid_0: %1d txfifo_valid_1: %1d\n",447 (val[6] & 0x00000800) >> 11, (val[6] & 0x00001000) >> 12);448 seq_printf(file, "txfifo_dcu_num_0: %2d txfifo_dcu_num_1: %2d\n",449 (val[6] & 0x0001e000) >> 13, (val[6] & 0x001e0000) >> 17);450 451 seq_printf(file, "pcu observe: 0x%x\n", REG_READ_D(ah, AR_OBS_BUS_1));452 seq_printf(file, "AR_CR: 0x%x\n", REG_READ_D(ah, AR_CR));453 454 ath9k_ps_restore(sc);455 456 return 0;457}458 459void ath_debug_stat_interrupt(struct ath_softc *sc, enum ath9k_int status)460{461 if (status)462 sc->debug.stats.istats.total++;463 if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) {464 if (status & ATH9K_INT_RXLP)465 sc->debug.stats.istats.rxlp++;466 if (status & ATH9K_INT_RXHP)467 sc->debug.stats.istats.rxhp++;468 if (status & ATH9K_INT_BB_WATCHDOG)469 sc->debug.stats.istats.bb_watchdog++;470 } else {471 if (status & ATH9K_INT_RX)472 sc->debug.stats.istats.rxok++;473 }474 if (status & ATH9K_INT_RXEOL)475 sc->debug.stats.istats.rxeol++;476 if (status & ATH9K_INT_RXORN)477 sc->debug.stats.istats.rxorn++;478 if (status & ATH9K_INT_TX)479 sc->debug.stats.istats.txok++;480 if (status & ATH9K_INT_TXURN)481 sc->debug.stats.istats.txurn++;482 if (status & ATH9K_INT_RXPHY)483 sc->debug.stats.istats.rxphyerr++;484 if (status & ATH9K_INT_RXKCM)485 sc->debug.stats.istats.rx_keycache_miss++;486 if (status & ATH9K_INT_SWBA)487 sc->debug.stats.istats.swba++;488 if (status & ATH9K_INT_BMISS)489 sc->debug.stats.istats.bmiss++;490 if (status & ATH9K_INT_BNR)491 sc->debug.stats.istats.bnr++;492 if (status & ATH9K_INT_CST)493 sc->debug.stats.istats.cst++;494 if (status & ATH9K_INT_GTT)495 sc->debug.stats.istats.gtt++;496 if (status & ATH9K_INT_TIM)497 sc->debug.stats.istats.tim++;498 if (status & ATH9K_INT_CABEND)499 sc->debug.stats.istats.cabend++;500 if (status & ATH9K_INT_DTIMSYNC)501 sc->debug.stats.istats.dtimsync++;502 if (status & ATH9K_INT_DTIM)503 sc->debug.stats.istats.dtim++;504 if (status & ATH9K_INT_TSFOOR)505 sc->debug.stats.istats.tsfoor++;506 if (status & ATH9K_INT_MCI)507 sc->debug.stats.istats.mci++;508 if (status & ATH9K_INT_GENTIMER)509 sc->debug.stats.istats.gen_timer++;510}511 512static int read_file_interrupt(struct seq_file *file, void *data)513{514 struct ieee80211_hw *hw = dev_get_drvdata(file->private);515 struct ath_softc *sc = hw->priv;516 517#define PR_IS(a, s) \518 do { \519 seq_printf(file, "%21s: %10u\n", a, \520 sc->debug.stats.istats.s); \521 } while (0)522 523 if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) {524 PR_IS("RXLP", rxlp);525 PR_IS("RXHP", rxhp);526 PR_IS("WATCHDOG", bb_watchdog);527 } else {528 PR_IS("RX", rxok);529 }530 PR_IS("RXEOL", rxeol);531 PR_IS("RXORN", rxorn);532 PR_IS("TX", txok);533 PR_IS("TXURN", txurn);534 PR_IS("MIB", mib);535 PR_IS("RXPHY", rxphyerr);536 PR_IS("RXKCM", rx_keycache_miss);537 PR_IS("SWBA", swba);538 PR_IS("BMISS", bmiss);539 PR_IS("BNR", bnr);540 PR_IS("CST", cst);541 PR_IS("GTT", gtt);542 PR_IS("TIM", tim);543 PR_IS("CABEND", cabend);544 PR_IS("DTIMSYNC", dtimsync);545 PR_IS("DTIM", dtim);546 PR_IS("TSFOOR", tsfoor);547 PR_IS("MCI", mci);548 PR_IS("GENTIMER", gen_timer);549 PR_IS("TOTAL", total);550 551 seq_puts(file, "SYNC_CAUSE stats:\n");552 553 PR_IS("Sync-All", sync_cause_all);554 PR_IS("RTC-IRQ", sync_rtc_irq);555 PR_IS("MAC-IRQ", sync_mac_irq);556 PR_IS("EEPROM-Illegal-Access", eeprom_illegal_access);557 PR_IS("APB-Timeout", apb_timeout);558 PR_IS("PCI-Mode-Conflict", pci_mode_conflict);559 PR_IS("HOST1-Fatal", host1_fatal);560 PR_IS("HOST1-Perr", host1_perr);561 PR_IS("TRCV-FIFO-Perr", trcv_fifo_perr);562 PR_IS("RADM-CPL-EP", radm_cpl_ep);563 PR_IS("RADM-CPL-DLLP-Abort", radm_cpl_dllp_abort);564 PR_IS("RADM-CPL-TLP-Abort", radm_cpl_tlp_abort);565 PR_IS("RADM-CPL-ECRC-Err", radm_cpl_ecrc_err);566 PR_IS("RADM-CPL-Timeout", radm_cpl_timeout);567 PR_IS("Local-Bus-Timeout", local_timeout);568 PR_IS("PM-Access", pm_access);569 PR_IS("MAC-Awake", mac_awake);570 PR_IS("MAC-Asleep", mac_asleep);571 PR_IS("MAC-Sleep-Access", mac_sleep_access);572 573 return 0;574}575 576static int read_file_xmit(struct seq_file *file, void *data)577{578 struct ieee80211_hw *hw = dev_get_drvdata(file->private);579 struct ath_softc *sc = hw->priv;580 581 seq_printf(file, "%30s %10s%10s%10s\n\n", "BE", "BK", "VI", "VO");582 583 PR("MPDUs Queued: ", queued);584 PR("MPDUs Completed: ", completed);585 PR("MPDUs XRetried: ", xretries);586 PR("Aggregates: ", a_aggr);587 PR("AMPDUs Queued HW:", a_queued_hw);588 PR("AMPDUs Completed:", a_completed);589 PR("AMPDUs Retried: ", a_retries);590 PR("AMPDUs XRetried: ", a_xretries);591 PR("TXERR Filtered: ", txerr_filtered);592 PR("FIFO Underrun: ", fifo_underrun);593 PR("TXOP Exceeded: ", xtxop);594 PR("TXTIMER Expiry: ", timer_exp);595 PR("DESC CFG Error: ", desc_cfg_err);596 PR("DATA Underrun: ", data_underrun);597 PR("DELIM Underrun: ", delim_underrun);598 PR("TX-Pkts-All: ", tx_pkts_all);599 PR("TX-Bytes-All: ", tx_bytes_all);600 PR("HW-put-tx-buf: ", puttxbuf);601 PR("HW-tx-start: ", txstart);602 PR("HW-tx-proc-desc: ", txprocdesc);603 PR("TX-Failed: ", txfailed);604 605 return 0;606}607 608static void print_queue(struct ath_softc *sc, struct ath_txq *txq,609 struct seq_file *file)610{611 ath_txq_lock(sc, txq);612 613 seq_printf(file, "%s: %d ", "qnum", txq->axq_qnum);614 seq_printf(file, "%s: %2d ", "qdepth", txq->axq_depth);615 seq_printf(file, "%s: %2d ", "ampdu-depth", txq->axq_ampdu_depth);616 seq_printf(file, "%s: %3d\n", "pending", txq->pending_frames);617 618 ath_txq_unlock(sc, txq);619}620 621static int read_file_queues(struct seq_file *file, void *data)622{623 struct ieee80211_hw *hw = dev_get_drvdata(file->private);624 struct ath_softc *sc = hw->priv;625 struct ath_txq *txq;626 int i;627 static const char *qname[4] = {628 "VO", "VI", "BE", "BK"629 };630 631 for (i = 0; i < IEEE80211_NUM_ACS; i++) {632 txq = sc->tx.txq_map[i];633 seq_printf(file, "(%s): ", qname[i]);634 print_queue(sc, txq, file);635 }636 637 seq_puts(file, "(CAB): ");638 print_queue(sc, sc->beacon.cabq, file);639 640 return 0;641}642 643static int read_file_misc(struct seq_file *file, void *data)644{645 struct ieee80211_hw *hw = dev_get_drvdata(file->private);646 struct ath_softc *sc = hw->priv;647 struct ath_common *common = ath9k_hw_common(sc->sc_ah);648 struct ath9k_vif_iter_data iter_data;649 struct ath_chanctx *ctx;650 unsigned int reg;651 u32 rxfilter, i;652 653 seq_printf(file, "BSSID: %pM\n", common->curbssid);654 seq_printf(file, "BSSID-MASK: %pM\n", common->bssidmask);655 seq_printf(file, "OPMODE: %s\n",656 ath_opmode_to_string(sc->sc_ah->opmode));657 658 ath9k_ps_wakeup(sc);659 rxfilter = ath9k_hw_getrxfilter(sc->sc_ah);660 ath9k_ps_restore(sc);661 662 seq_printf(file, "RXFILTER: 0x%x", rxfilter);663 664 if (rxfilter & ATH9K_RX_FILTER_UCAST)665 seq_puts(file, " UCAST");666 if (rxfilter & ATH9K_RX_FILTER_MCAST)667 seq_puts(file, " MCAST");668 if (rxfilter & ATH9K_RX_FILTER_BCAST)669 seq_puts(file, " BCAST");670 if (rxfilter & ATH9K_RX_FILTER_CONTROL)671 seq_puts(file, " CONTROL");672 if (rxfilter & ATH9K_RX_FILTER_BEACON)673 seq_puts(file, " BEACON");674 if (rxfilter & ATH9K_RX_FILTER_PROM)675 seq_puts(file, " PROM");676 if (rxfilter & ATH9K_RX_FILTER_PROBEREQ)677 seq_puts(file, " PROBEREQ");678 if (rxfilter & ATH9K_RX_FILTER_PHYERR)679 seq_puts(file, " PHYERR");680 if (rxfilter & ATH9K_RX_FILTER_MYBEACON)681 seq_puts(file, " MYBEACON");682 if (rxfilter & ATH9K_RX_FILTER_COMP_BAR)683 seq_puts(file, " COMP_BAR");684 if (rxfilter & ATH9K_RX_FILTER_PSPOLL)685 seq_puts(file, " PSPOLL");686 if (rxfilter & ATH9K_RX_FILTER_PHYRADAR)687 seq_puts(file, " PHYRADAR");688 if (rxfilter & ATH9K_RX_FILTER_MCAST_BCAST_ALL)689 seq_puts(file, " MCAST_BCAST_ALL");690 if (rxfilter & ATH9K_RX_FILTER_CONTROL_WRAPPER)691 seq_puts(file, " CONTROL_WRAPPER");692 693 seq_puts(file, "\n");694 695 reg = sc->sc_ah->imask;696 697 seq_printf(file, "INTERRUPT-MASK: 0x%x", reg);698 699 if (reg & ATH9K_INT_SWBA)700 seq_puts(file, " SWBA");701 if (reg & ATH9K_INT_BMISS)702 seq_puts(file, " BMISS");703 if (reg & ATH9K_INT_CST)704 seq_puts(file, " CST");705 if (reg & ATH9K_INT_RX)706 seq_puts(file, " RX");707 if (reg & ATH9K_INT_RXHP)708 seq_puts(file, " RXHP");709 if (reg & ATH9K_INT_RXLP)710 seq_puts(file, " RXLP");711 if (reg & ATH9K_INT_BB_WATCHDOG)712 seq_puts(file, " BB_WATCHDOG");713 714 seq_puts(file, "\n");715 716 i = 0;717 ath_for_each_chanctx(sc, ctx) {718 if (list_empty(&ctx->vifs))719 continue;720 ath9k_calculate_iter_data(sc, ctx, &iter_data);721 722 seq_printf(file,723 "VIFS: CTX %i(%i) AP: %i STA: %i MESH: %i",724 i++, (int)(ctx->assigned), iter_data.naps,725 iter_data.nstations,726 iter_data.nmeshes);727 seq_printf(file, " ADHOC: %i OCB: %i TOTAL: %hi BEACON-VIF: %hi\n",728 iter_data.nadhocs, iter_data.nocbs, sc->cur_chan->nvifs,729 sc->nbcnvifs);730 }731 732 return 0;733}734 735static int read_file_reset(struct seq_file *file, void *data)736{737 struct ath_softc *sc = file->private;738 static const char * const reset_cause[__RESET_TYPE_MAX] = {739 [RESET_TYPE_USER] = "User reset",740 [RESET_TYPE_BB_HANG] = "Baseband Hang",741 [RESET_TYPE_BB_WATCHDOG] = "Baseband Watchdog",742 [RESET_TYPE_FATAL_INT] = "Fatal HW Error",743 [RESET_TYPE_TX_ERROR] = "TX HW error",744 [RESET_TYPE_TX_GTT] = "Transmit timeout",745 [RESET_TYPE_TX_HANG] = "TX Path Hang",746 [RESET_TYPE_PLL_HANG] = "PLL RX Hang",747 [RESET_TYPE_MAC_HANG] = "MAC Hang",748 [RESET_TYPE_BEACON_STUCK] = "Stuck Beacon",749 [RESET_TYPE_MCI] = "MCI Reset",750 [RESET_TYPE_CALIBRATION] = "Calibration error",751 [RESET_TX_DMA_ERROR] = "Tx DMA stop error",752 [RESET_RX_DMA_ERROR] = "Rx DMA stop error",753 };754 int i;755 756 for (i = 0; i < ARRAY_SIZE(reset_cause); i++) {757 if (!reset_cause[i])758 continue;759 760 seq_printf(file, "%17s: %2d\n", reset_cause[i],761 sc->debug.stats.reset[i]);762 }763 764 return 0;765}766 767static int open_file_reset(struct inode *inode, struct file *f)768{769 return single_open(f, read_file_reset, inode->i_private);770}771 772static ssize_t write_file_reset(struct file *file,773 const char __user *user_buf,774 size_t count, loff_t *ppos)775{776 struct ath_softc *sc = file_inode(file)->i_private;777 struct ath_hw *ah = sc->sc_ah;778 struct ath_common *common = ath9k_hw_common(ah);779 unsigned long val;780 ssize_t ret;781 782 ret = kstrtoul_from_user(user_buf, count, 0, &val);783 if (ret)784 return ret;785 786 if (val != 1)787 return -EINVAL;788 789 /* avoid rearming hw_reset_work on shutdown */790 mutex_lock(&sc->mutex);791 if (test_bit(ATH_OP_INVALID, &common->op_flags)) {792 mutex_unlock(&sc->mutex);793 return -EBUSY;794 }795 796 ath9k_queue_reset(sc, RESET_TYPE_USER);797 mutex_unlock(&sc->mutex);798 799 return count;800}801 802static const struct file_operations fops_reset = {803 .read = seq_read,804 .write = write_file_reset,805 .open = open_file_reset,806 .owner = THIS_MODULE,807 .llseek = seq_lseek,808 .release = single_release,809};810 811void ath_debug_stat_tx(struct ath_softc *sc, struct ath_buf *bf,812 struct ath_tx_status *ts, struct ath_txq *txq,813 unsigned int flags)814{815 int qnum = txq->axq_qnum;816 817 TX_STAT_INC(sc, qnum, tx_pkts_all);818 sc->debug.stats.txstats[qnum].tx_bytes_all += bf->bf_mpdu->len;819 820 if (bf_isampdu(bf)) {821 if (flags & ATH_TX_ERROR)822 TX_STAT_INC(sc, qnum, a_xretries);823 else824 TX_STAT_INC(sc, qnum, a_completed);825 } else {826 if (ts->ts_status & ATH9K_TXERR_XRETRY)827 TX_STAT_INC(sc, qnum, xretries);828 else829 TX_STAT_INC(sc, qnum, completed);830 }831 832 if (ts->ts_status & ATH9K_TXERR_FILT)833 TX_STAT_INC(sc, qnum, txerr_filtered);834 if (ts->ts_status & ATH9K_TXERR_FIFO)835 TX_STAT_INC(sc, qnum, fifo_underrun);836 if (ts->ts_status & ATH9K_TXERR_XTXOP)837 TX_STAT_INC(sc, qnum, xtxop);838 if (ts->ts_status & ATH9K_TXERR_TIMER_EXPIRED)839 TX_STAT_INC(sc, qnum, timer_exp);840 if (ts->ts_flags & ATH9K_TX_DESC_CFG_ERR)841 TX_STAT_INC(sc, qnum, desc_cfg_err);842 if (ts->ts_flags & ATH9K_TX_DATA_UNDERRUN)843 TX_STAT_INC(sc, qnum, data_underrun);844 if (ts->ts_flags & ATH9K_TX_DELIM_UNDERRUN)845 TX_STAT_INC(sc, qnum, delim_underrun);846}847 848void ath_debug_stat_rx(struct ath_softc *sc, struct ath_rx_status *rs)849{850 ath9k_cmn_debug_stat_rx(&sc->debug.stats.rxstats, rs);851}852 853static ssize_t read_file_regidx(struct file *file, char __user *user_buf,854 size_t count, loff_t *ppos)855{856 struct ath_softc *sc = file->private_data;857 char buf[32];858 unsigned int len;859 860 len = sprintf(buf, "0x%08x\n", sc->debug.regidx);861 return simple_read_from_buffer(user_buf, count, ppos, buf, len);862}863 864static ssize_t write_file_regidx(struct file *file, const char __user *user_buf,865 size_t count, loff_t *ppos)866{867 struct ath_softc *sc = file->private_data;868 unsigned long regidx;869 ssize_t ret;870 871 ret = kstrtoul_from_user(user_buf, count, 0, ®idx);872 if (ret)873 return ret;874 875 sc->debug.regidx = regidx;876 return count;877}878 879static const struct file_operations fops_regidx = {880 .read = read_file_regidx,881 .write = write_file_regidx,882 .open = simple_open,883 .owner = THIS_MODULE,884 .llseek = default_llseek,885};886 887static ssize_t read_file_regval(struct file *file, char __user *user_buf,888 size_t count, loff_t *ppos)889{890 struct ath_softc *sc = file->private_data;891 struct ath_hw *ah = sc->sc_ah;892 char buf[32];893 unsigned int len;894 u32 regval;895 896 ath9k_ps_wakeup(sc);897 regval = REG_READ_D(ah, sc->debug.regidx);898 ath9k_ps_restore(sc);899 len = sprintf(buf, "0x%08x\n", regval);900 return simple_read_from_buffer(user_buf, count, ppos, buf, len);901}902 903static ssize_t write_file_regval(struct file *file, const char __user *user_buf,904 size_t count, loff_t *ppos)905{906 struct ath_softc *sc = file->private_data;907 struct ath_hw *ah = sc->sc_ah;908 unsigned long regval;909 ssize_t ret;910 911 ret = kstrtoul_from_user(user_buf, count, 0, ®val);912 if (ret)913 return ret;914 915 ath9k_ps_wakeup(sc);916 REG_WRITE_D(ah, sc->debug.regidx, regval);917 ath9k_ps_restore(sc);918 return count;919}920 921static const struct file_operations fops_regval = {922 .read = read_file_regval,923 .write = write_file_regval,924 .open = simple_open,925 .owner = THIS_MODULE,926 .llseek = default_llseek,927};928 929#define REGDUMP_LINE_SIZE 20930 931static int open_file_regdump(struct inode *inode, struct file *file)932{933 struct ath_softc *sc = inode->i_private;934 unsigned int len = 0;935 u8 *buf;936 int i, j = 0;937 unsigned long num_regs, regdump_len, max_reg_offset;938 static const struct reg_hole {939 u32 start;940 u32 end;941 } reg_hole_list[] = {942 {0x0200, 0x07fc},943 {0x0c00, 0x0ffc},944 {0x2000, 0x3ffc},945 {0x4100, 0x6ffc},946 {0x705c, 0x7ffc},947 {0x0000, 0x0000}948 };949 950 max_reg_offset = AR_SREV_9300_20_OR_LATER(sc->sc_ah) ? 0x8800 : 0xb500;951 num_regs = max_reg_offset / 4 + 1;952 regdump_len = num_regs * REGDUMP_LINE_SIZE + 1;953 buf = vmalloc(regdump_len);954 if (!buf)955 return -ENOMEM;956 957 ath9k_ps_wakeup(sc);958 for (i = 0; i < num_regs; i++) {959 if (reg_hole_list[j].start == i << 2) {960 i = reg_hole_list[j].end >> 2;961 j++;962 continue;963 }964 965 len += scnprintf(buf + len, regdump_len - len,966 "0x%06x 0x%08x\n", i << 2, REG_READ(sc->sc_ah, i << 2));967 }968 ath9k_ps_restore(sc);969 970 file->private_data = buf;971 972 return 0;973}974 975static const struct file_operations fops_regdump = {976 .open = open_file_regdump,977 .read = ath9k_debugfs_read_buf,978 .release = ath9k_debugfs_release_buf,979 .owner = THIS_MODULE,980 .llseek = default_llseek,/* read accesses f_pos */981};982 983static int read_file_dump_nfcal(struct seq_file *file, void *data)984{985 struct ieee80211_hw *hw = dev_get_drvdata(file->private);986 struct ath_softc *sc = hw->priv;987 struct ath_hw *ah = sc->sc_ah;988 struct ath9k_nfcal_hist *h = sc->cur_chan->caldata.nfCalHist;989 struct ath_common *common = ath9k_hw_common(ah);990 struct ieee80211_conf *conf = &common->hw->conf;991 u32 i, j;992 u8 chainmask = (ah->rxchainmask << 3) | ah->rxchainmask;993 u8 nread;994 995 seq_printf(file, "Channel Noise Floor : %d\n", ah->noise);996 seq_puts(file, "Chain | privNF | # Readings | NF Readings\n");997 for (i = 0; i < NUM_NF_READINGS; i++) {998 if (!(chainmask & (1 << i)) ||999 ((i >= AR5416_MAX_CHAINS) && !conf_is_ht40(conf)))1000 continue;1001 1002 nread = AR_PHY_CCA_FILTERWINDOW_LENGTH - h[i].invalidNFcount;1003 seq_printf(file, " %d\t %d\t %d\t\t", i, h[i].privNF, nread);1004 for (j = 0; j < nread; j++)1005 seq_printf(file, " %d", h[i].nfCalBuffer[j]);1006 seq_puts(file, "\n");1007 }1008 1009 return 0;1010}1011 1012#ifdef CONFIG_ATH9K_BTCOEX_SUPPORT1013static ssize_t read_file_btcoex(struct file *file, char __user *user_buf,1014 size_t count, loff_t *ppos)1015{1016 struct ath_softc *sc = file->private_data;1017 u32 len = 0, size = 1500;1018 char *buf;1019 size_t retval;1020 1021 buf = kzalloc(size, GFP_KERNEL);1022 if (buf == NULL)1023 return -ENOMEM;1024 1025 if (!sc->sc_ah->common.btcoex_enabled) {1026 len = scnprintf(buf, size, "%s\n",1027 "BTCOEX is disabled");1028 goto exit;1029 }1030 1031 len = ath9k_dump_btcoex(sc, buf, size);1032exit:1033 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);1034 kfree(buf);1035 1036 return retval;1037}1038 1039static const struct file_operations fops_btcoex = {1040 .read = read_file_btcoex,1041 .open = simple_open,1042 .owner = THIS_MODULE,1043 .llseek = default_llseek,1044};1045#endif1046 1047#ifdef CONFIG_ATH9K_DYNACK1048static ssize_t read_file_ackto(struct file *file, char __user *user_buf,1049 size_t count, loff_t *ppos)1050{1051 struct ath_softc *sc = file->private_data;1052 struct ath_hw *ah = sc->sc_ah;1053 char buf[32];1054 unsigned int len;1055 1056 len = sprintf(buf, "%u %c\n", ah->dynack.ackto,1057 (ah->dynack.enabled) ? 'A' : 'S');1058 1059 return simple_read_from_buffer(user_buf, count, ppos, buf, len);1060}1061 1062static const struct file_operations fops_ackto = {1063 .read = read_file_ackto,1064 .open = simple_open,1065 .owner = THIS_MODULE,1066 .llseek = default_llseek,1067};1068#endif1069 1070#ifdef CONFIG_ATH9K_WOW1071 1072static ssize_t read_file_wow(struct file *file, char __user *user_buf,1073 size_t count, loff_t *ppos)1074{1075 struct ath_softc *sc = file->private_data;1076 unsigned int len = 0, size = 32;1077 ssize_t retval;1078 char *buf;1079 1080 buf = kzalloc(size, GFP_KERNEL);1081 if (!buf)1082 return -ENOMEM;1083 1084 len += scnprintf(buf + len, size - len, "WOW: %s\n",1085 sc->force_wow ? "ENABLED" : "DISABLED");1086 1087 if (len > size)1088 len = size;1089 1090 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);1091 kfree(buf);1092 1093 return retval;1094}1095 1096static ssize_t write_file_wow(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 val;1101 ssize_t ret;1102 1103 ret = kstrtoul_from_user(user_buf, count, 0, &val);1104 if (ret)1105 return ret;1106 1107 if (val != 1)1108 return -EINVAL;1109 1110 if (!sc->force_wow) {1111 sc->force_wow = true;1112 ath9k_init_wow(sc->hw);1113 }1114 1115 return count;1116}1117 1118static const struct file_operations fops_wow = {1119 .read = read_file_wow,1120 .write = write_file_wow,1121 .open = simple_open,1122 .owner = THIS_MODULE,1123 .llseek = default_llseek,1124};1125 1126#endif1127 1128static ssize_t read_file_tpc(struct file *file, char __user *user_buf,1129 size_t count, loff_t *ppos)1130{1131 struct ath_softc *sc = file->private_data;1132 struct ath_hw *ah = sc->sc_ah;1133 unsigned int len = 0, size = 32;1134 ssize_t retval;1135 char *buf;1136 1137 buf = kzalloc(size, GFP_KERNEL);1138 if (!buf)1139 return -ENOMEM;1140 1141 len += scnprintf(buf + len, size - len, "%s\n",1142 ah->tpc_enabled ? "ENABLED" : "DISABLED");1143 1144 if (len > size)1145 len = size;1146 1147 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);1148 kfree(buf);1149 1150 return retval;1151}1152 1153static ssize_t write_file_tpc(struct file *file, const char __user *user_buf,1154 size_t count, loff_t *ppos)1155{1156 struct ath_softc *sc = file->private_data;1157 struct ath_hw *ah = sc->sc_ah;1158 unsigned long val;1159 ssize_t ret;1160 bool tpc_enabled;1161 1162 ret = kstrtoul_from_user(user_buf, count, 0, &val);1163 if (ret)1164 return ret;1165 1166 if (val > 1)1167 return -EINVAL;1168 1169 tpc_enabled = !!val;1170 1171 if (tpc_enabled != ah->tpc_enabled) {1172 ah->tpc_enabled = tpc_enabled;1173 1174 mutex_lock(&sc->mutex);1175 ath9k_set_txpower(sc, NULL);1176 mutex_unlock(&sc->mutex);1177 }1178 1179 return count;1180}1181 1182static const struct file_operations fops_tpc = {1183 .read = read_file_tpc,1184 .write = write_file_tpc,1185 .open = simple_open,1186 .owner = THIS_MODULE,1187 .llseek = default_llseek,1188};1189 1190static ssize_t read_file_nf_override(struct file *file,1191 char __user *user_buf,1192 size_t count, loff_t *ppos)1193{1194 struct ath_softc *sc = file->private_data;1195 struct ath_hw *ah = sc->sc_ah;1196 char buf[32];1197 unsigned int len;1198 1199 if (ah->nf_override == 0)1200 len = sprintf(buf, "off\n");1201 else1202 len = sprintf(buf, "%d\n", ah->nf_override);1203 1204 return simple_read_from_buffer(user_buf, count, ppos, buf, len);1205}1206 1207static ssize_t write_file_nf_override(struct file *file,1208 const char __user *user_buf,1209 size_t count, loff_t *ppos)1210{1211 struct ath_softc *sc = file->private_data;1212 struct ath_hw *ah = sc->sc_ah;1213 long val;1214 char buf[32];1215 ssize_t len;1216 1217 len = min(count, sizeof(buf) - 1);1218 if (copy_from_user(buf, user_buf, len))1219 return -EFAULT;1220 1221 buf[len] = '\0';1222 if (strncmp("off", buf, 3) == 0)1223 val = 0;1224 else if (kstrtol(buf, 0, &val))1225 return -EINVAL;1226 1227 if (val > 0)1228 return -EINVAL;1229 1230 if (val < -120)1231 return -EINVAL;1232 1233 ah->nf_override = val;1234 1235 if (ah->curchan) {1236 ath9k_ps_wakeup(sc);1237 ath9k_hw_loadnf(ah, ah->curchan);1238 ath9k_ps_restore(sc);1239 }1240 1241 return count;1242}1243 1244static const struct file_operations fops_nf_override = {1245 .read = read_file_nf_override,1246 .write = write_file_nf_override,1247 .open = simple_open,1248 .owner = THIS_MODULE,1249 .llseek = default_llseek,1250};1251 1252/* Ethtool support for get-stats */1253 1254#define AMKSTR(nm) #nm "_BE", #nm "_BK", #nm "_VI", #nm "_VO"1255static const char ath9k_gstrings_stats[][ETH_GSTRING_LEN] = {1256 "tx_pkts_nic",1257 "tx_bytes_nic",1258 "rx_pkts_nic",1259 "rx_bytes_nic",1260 AMKSTR(d_tx_pkts),1261 AMKSTR(d_tx_bytes),1262 AMKSTR(d_tx_mpdus_queued),1263 AMKSTR(d_tx_mpdus_completed),1264 AMKSTR(d_tx_mpdu_xretries),1265 AMKSTR(d_tx_aggregates),1266 AMKSTR(d_tx_ampdus_queued_hw),1267 AMKSTR(d_tx_ampdus_completed),1268 AMKSTR(d_tx_ampdu_retries),1269 AMKSTR(d_tx_ampdu_xretries),1270 AMKSTR(d_tx_fifo_underrun),1271 AMKSTR(d_tx_op_exceeded),1272 AMKSTR(d_tx_timer_expiry),1273 AMKSTR(d_tx_desc_cfg_err),1274 AMKSTR(d_tx_data_underrun),1275 AMKSTR(d_tx_delim_underrun),1276 "d_rx_crc_err",1277 "d_rx_decrypt_crc_err",1278 "d_rx_phy_err",1279 "d_rx_mic_err",1280 "d_rx_pre_delim_crc_err",1281 "d_rx_post_delim_crc_err",1282 "d_rx_decrypt_busy_err",1283 1284 "d_rx_phyerr_radar",1285 "d_rx_phyerr_ofdm_timing",1286 "d_rx_phyerr_cck_timing",1287 1288};1289#define ATH9K_SSTATS_LEN ARRAY_SIZE(ath9k_gstrings_stats)1290 1291void ath9k_get_et_strings(struct ieee80211_hw *hw,1292 struct ieee80211_vif *vif,1293 u32 sset, u8 *data)1294{1295 if (sset == ETH_SS_STATS)1296 memcpy(data, ath9k_gstrings_stats,1297 sizeof(ath9k_gstrings_stats));1298}1299 1300int ath9k_get_et_sset_count(struct ieee80211_hw *hw,1301 struct ieee80211_vif *vif, int sset)1302{1303 if (sset == ETH_SS_STATS)1304 return ATH9K_SSTATS_LEN;1305 return 0;1306}1307 1308#define AWDATA(elem) \1309 do { \1310 data[i++] = sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BE)].elem; \1311 data[i++] = sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BK)].elem; \1312 data[i++] = sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_VI)].elem; \1313 data[i++] = sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_VO)].elem; \1314 } while (0)1315 1316#define AWDATA_RX(elem) \1317 do { \1318 data[i++] = sc->debug.stats.rxstats.elem; \1319 } while (0)1320 1321void ath9k_get_et_stats(struct ieee80211_hw *hw,1322 struct ieee80211_vif *vif,1323 struct ethtool_stats *stats, u64 *data)1324{1325 struct ath_softc *sc = hw->priv;1326 int i = 0;1327 1328 data[i++] = ((u64)sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BE)].tx_pkts_all +1329 sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BK)].tx_pkts_all +1330 sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_VI)].tx_pkts_all +1331 sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_VO)].tx_pkts_all);1332 data[i++] = ((u64)sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BE)].tx_bytes_all +1333 sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BK)].tx_bytes_all +1334 sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_VI)].tx_bytes_all +1335 sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_VO)].tx_bytes_all);1336 AWDATA_RX(rx_pkts_all);1337 AWDATA_RX(rx_bytes_all);1338 1339 AWDATA(tx_pkts_all);1340 AWDATA(tx_bytes_all);1341 AWDATA(queued);1342 AWDATA(completed);1343 AWDATA(xretries);1344 AWDATA(a_aggr);1345 AWDATA(a_queued_hw);1346 AWDATA(a_completed);1347 AWDATA(a_retries);1348 AWDATA(a_xretries);1349 AWDATA(fifo_underrun);1350 AWDATA(xtxop);1351 AWDATA(timer_exp);1352 AWDATA(desc_cfg_err);1353 AWDATA(data_underrun);1354 AWDATA(delim_underrun);1355 1356 AWDATA_RX(crc_err);1357 AWDATA_RX(decrypt_crc_err);1358 AWDATA_RX(phy_err);1359 AWDATA_RX(mic_err);1360 AWDATA_RX(pre_delim_crc_err);1361 AWDATA_RX(post_delim_crc_err);1362 AWDATA_RX(decrypt_busy_err);1363 1364 AWDATA_RX(phy_err_stats[ATH9K_PHYERR_RADAR]);1365 AWDATA_RX(phy_err_stats[ATH9K_PHYERR_OFDM_TIMING]);1366 AWDATA_RX(phy_err_stats[ATH9K_PHYERR_CCK_TIMING]);1367 1368 WARN_ON(i != ATH9K_SSTATS_LEN);1369}1370 1371void ath9k_deinit_debug(struct ath_softc *sc)1372{1373 ath9k_cmn_spectral_deinit_debug(&sc->spec_priv);1374}1375 1376int ath9k_init_debug(struct ath_hw *ah)1377{1378 struct ath_common *common = ath9k_hw_common(ah);1379 struct ath_softc *sc = common->priv;1380 1381 sc->debug.debugfs_phy = debugfs_create_dir("ath9k",1382 sc->hw->wiphy->debugfsdir);1383 1384#ifdef CONFIG_ATH_DEBUG1385 debugfs_create_file("debug", 0600, sc->debug.debugfs_phy,1386 sc, &fops_debug);1387#endif1388 1389 ath9k_dfs_init_debug(sc);1390 ath9k_tx99_init_debug(sc);1391 ath9k_cmn_spectral_init_debug(&sc->spec_priv, sc->debug.debugfs_phy);1392 1393 debugfs_create_devm_seqfile(sc->dev, "dma", sc->debug.debugfs_phy,1394 read_file_dma);1395 debugfs_create_devm_seqfile(sc->dev, "interrupt", sc->debug.debugfs_phy,1396 read_file_interrupt);1397 debugfs_create_devm_seqfile(sc->dev, "xmit", sc->debug.debugfs_phy,1398 read_file_xmit);1399 debugfs_create_devm_seqfile(sc->dev, "queues", sc->debug.debugfs_phy,1400 read_file_queues);1401 debugfs_create_devm_seqfile(sc->dev, "misc", sc->debug.debugfs_phy,1402 read_file_misc);1403 debugfs_create_file("reset", 0600, sc->debug.debugfs_phy,1404 sc, &fops_reset);1405 1406 ath9k_cmn_debug_recv(sc->debug.debugfs_phy, &sc->debug.stats.rxstats);1407 ath9k_cmn_debug_phy_err(sc->debug.debugfs_phy, &sc->debug.stats.rxstats);1408 1409 debugfs_create_u8("rx_chainmask", 0400, sc->debug.debugfs_phy,1410 &ah->rxchainmask);1411 debugfs_create_u8("tx_chainmask", 0400, sc->debug.debugfs_phy,1412 &ah->txchainmask);1413 debugfs_create_file("ani", 0600,1414 sc->debug.debugfs_phy, sc, &fops_ani);1415 debugfs_create_bool("paprd", 0600, sc->debug.debugfs_phy,1416 &sc->sc_ah->config.enable_paprd);1417 debugfs_create_file("regidx", 0600, sc->debug.debugfs_phy,1418 sc, &fops_regidx);1419 debugfs_create_file("regval", 0600, sc->debug.debugfs_phy,1420 sc, &fops_regval);1421 debugfs_create_bool("ignore_extcca", 0600,1422 sc->debug.debugfs_phy,1423 &ah->config.cwm_ignore_extcca);1424 debugfs_create_file("regdump", 0400, sc->debug.debugfs_phy, sc,1425 &fops_regdump);1426 debugfs_create_devm_seqfile(sc->dev, "dump_nfcal",1427 sc->debug.debugfs_phy,1428 read_file_dump_nfcal);1429 1430 ath9k_cmn_debug_base_eeprom(sc->debug.debugfs_phy, sc->sc_ah);1431 ath9k_cmn_debug_modal_eeprom(sc->debug.debugfs_phy, sc->sc_ah);1432 1433 debugfs_create_u32("gpio_mask", 0600,1434 sc->debug.debugfs_phy, &sc->sc_ah->gpio_mask);1435 debugfs_create_u32("gpio_val", 0600,1436 sc->debug.debugfs_phy, &sc->sc_ah->gpio_val);1437 debugfs_create_file("antenna_diversity", 0400,1438 sc->debug.debugfs_phy, sc, &fops_antenna_diversity);1439#ifdef CONFIG_ATH9K_BTCOEX_SUPPORT1440 debugfs_create_file("bt_ant_diversity", 0600,1441 sc->debug.debugfs_phy, sc, &fops_bt_ant_diversity);1442 debugfs_create_file("btcoex", 0400, sc->debug.debugfs_phy, sc,1443 &fops_btcoex);1444#endif1445 1446#ifdef CONFIG_ATH9K_WOW1447 debugfs_create_file("wow", 0600, sc->debug.debugfs_phy, sc, &fops_wow);1448#endif1449 1450#ifdef CONFIG_ATH9K_DYNACK1451 debugfs_create_file("ack_to", 0400, sc->debug.debugfs_phy,1452 sc, &fops_ackto);1453#endif1454 debugfs_create_file("tpc", 0600, sc->debug.debugfs_phy, sc, &fops_tpc);1455 1456 debugfs_create_file("nf_override", 0600,1457 sc->debug.debugfs_phy, sc, &fops_nf_override);1458 1459 return 0;1460}1461