| /* |
| * Copyright (c) 2008-2011 Atheros Communications Inc. |
| * |
| * Permission to use, copy, modify, and/or distribute this software for any |
| * purpose with or without fee is hereby granted, provided that the above |
| * copyright notice and this permission notice appear in all copies. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
| * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
| * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR |
| * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
| * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
| * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
| * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
| */ |
| |
| #include <linux/slab.h> |
| #include <linux/vmalloc.h> |
| #include <linux/export.h> |
| #include <asm/unaligned.h> |
| |
| #include "ath9k.h" |
| |
| #define REG_WRITE_D(_ah, _reg, _val) \ |
| ath9k_hw_common(_ah)->ops->write((_ah), (_val), (_reg)) |
| #define REG_READ_D(_ah, _reg) \ |
| ath9k_hw_common(_ah)->ops->read((_ah), (_reg)) |
| |
| void ath9k_debug_sync_cause(struct ath_softc *sc, u32 sync_cause) |
| { |
| if (sync_cause) |
| sc->debug.stats.istats.sync_cause_all++; |
| if (sync_cause & AR_INTR_SYNC_RTC_IRQ) |
| sc->debug.stats.istats.sync_rtc_irq++; |
| if (sync_cause & AR_INTR_SYNC_MAC_IRQ) |
| sc->debug.stats.istats.sync_mac_irq++; |
| if (sync_cause & AR_INTR_SYNC_EEPROM_ILLEGAL_ACCESS) |
| sc->debug.stats.istats.eeprom_illegal_access++; |
| if (sync_cause & AR_INTR_SYNC_APB_TIMEOUT) |
| sc->debug.stats.istats.apb_timeout++; |
| if (sync_cause & AR_INTR_SYNC_PCI_MODE_CONFLICT) |
| sc->debug.stats.istats.pci_mode_conflict++; |
| if (sync_cause & AR_INTR_SYNC_HOST1_FATAL) |
| sc->debug.stats.istats.host1_fatal++; |
| if (sync_cause & AR_INTR_SYNC_HOST1_PERR) |
| sc->debug.stats.istats.host1_perr++; |
| if (sync_cause & AR_INTR_SYNC_TRCV_FIFO_PERR) |
| sc->debug.stats.istats.trcv_fifo_perr++; |
| if (sync_cause & AR_INTR_SYNC_RADM_CPL_EP) |
| sc->debug.stats.istats.radm_cpl_ep++; |
| if (sync_cause & AR_INTR_SYNC_RADM_CPL_DLLP_ABORT) |
| sc->debug.stats.istats.radm_cpl_dllp_abort++; |
| if (sync_cause & AR_INTR_SYNC_RADM_CPL_TLP_ABORT) |
| sc->debug.stats.istats.radm_cpl_tlp_abort++; |
| if (sync_cause & AR_INTR_SYNC_RADM_CPL_ECRC_ERR) |
| sc->debug.stats.istats.radm_cpl_ecrc_err++; |
| if (sync_cause & AR_INTR_SYNC_RADM_CPL_TIMEOUT) |
| sc->debug.stats.istats.radm_cpl_timeout++; |
| if (sync_cause & AR_INTR_SYNC_LOCAL_TIMEOUT) |
| sc->debug.stats.istats.local_timeout++; |
| if (sync_cause & AR_INTR_SYNC_PM_ACCESS) |
| sc->debug.stats.istats.pm_access++; |
| if (sync_cause & AR_INTR_SYNC_MAC_AWAKE) |
| sc->debug.stats.istats.mac_awake++; |
| if (sync_cause & AR_INTR_SYNC_MAC_ASLEEP) |
| sc->debug.stats.istats.mac_asleep++; |
| if (sync_cause & AR_INTR_SYNC_MAC_SLEEP_ACCESS) |
| sc->debug.stats.istats.mac_sleep_access++; |
| } |
| |
| static ssize_t ath9k_debugfs_read_buf(struct file *file, char __user *user_buf, |
| size_t count, loff_t *ppos) |
| { |
| u8 *buf = file->private_data; |
| return simple_read_from_buffer(user_buf, count, ppos, buf, strlen(buf)); |
| } |
| |
| static int ath9k_debugfs_release_buf(struct inode *inode, struct file *file) |
| { |
| vfree(file->private_data); |
| return 0; |
| } |
| |
| #ifdef CPTCFG_ATH_DEBUG |
| |
| static ssize_t read_file_debug(struct file *file, char __user *user_buf, |
| size_t count, loff_t *ppos) |
| { |
| struct ath_softc *sc = file->private_data; |
| struct ath_common *common = ath9k_hw_common(sc->sc_ah); |
| char buf[32]; |
| unsigned int len; |
| |
| len = sprintf(buf, "0x%08x\n", common->debug_mask); |
| return simple_read_from_buffer(user_buf, count, ppos, buf, len); |
| } |
| |
| static ssize_t write_file_debug(struct file *file, const char __user *user_buf, |
| size_t count, loff_t *ppos) |
| { |
| struct ath_softc *sc = file->private_data; |
| struct ath_common *common = ath9k_hw_common(sc->sc_ah); |
| unsigned long mask; |
| char buf[32]; |
| ssize_t len; |
| |
| len = min(count, sizeof(buf) - 1); |
| if (copy_from_user(buf, user_buf, len)) |
| return -EFAULT; |
| |
| buf[len] = '\0'; |
| if (kstrtoul(buf, 0, &mask)) |
| return -EINVAL; |
| |
| common->debug_mask = mask; |
| return count; |
| } |
| |
| static const struct file_operations fops_debug = { |
| .read = read_file_debug, |
| .write = write_file_debug, |
| .open = simple_open, |
| .owner = THIS_MODULE, |
| .llseek = default_llseek, |
| }; |
| |
| #endif |
| |
| #define DMA_BUF_LEN 1024 |
| |
| |
| static ssize_t read_file_ani(struct file *file, char __user *user_buf, |
| size_t count, loff_t *ppos) |
| { |
| struct ath_softc *sc = file->private_data; |
| struct ath_common *common = ath9k_hw_common(sc->sc_ah); |
| struct ath_hw *ah = sc->sc_ah; |
| unsigned int len = 0; |
| const unsigned int size = 1024; |
| ssize_t retval = 0; |
| char *buf; |
| int i; |
| struct { |
| const char *name; |
| unsigned int val; |
| } ani_info[] = { |
| { "ANI RESET", ah->stats.ast_ani_reset }, |
| { "OFDM LEVEL", ah->ani.ofdmNoiseImmunityLevel }, |
| { "CCK LEVEL", ah->ani.cckNoiseImmunityLevel }, |
| { "SPUR UP", ah->stats.ast_ani_spurup }, |
| { "SPUR DOWN", ah->stats.ast_ani_spurup }, |
| { "OFDM WS-DET ON", ah->stats.ast_ani_ofdmon }, |
| { "OFDM WS-DET OFF", ah->stats.ast_ani_ofdmoff }, |
| { "MRC-CCK ON", ah->stats.ast_ani_ccklow }, |
| { "MRC-CCK OFF", ah->stats.ast_ani_cckhigh }, |
| { "FIR-STEP UP", ah->stats.ast_ani_stepup }, |
| { "FIR-STEP DOWN", ah->stats.ast_ani_stepdown }, |
| { "INV LISTENTIME", ah->stats.ast_ani_lneg_or_lzero }, |
| { "OFDM ERRORS", ah->stats.ast_ani_ofdmerrs }, |
| { "CCK ERRORS", ah->stats.ast_ani_cckerrs }, |
| }; |
| |
| buf = kzalloc(size, GFP_KERNEL); |
| if (buf == NULL) |
| return -ENOMEM; |
| |
| len += scnprintf(buf + len, size - len, "%15s: %s\n", "ANI", |
| common->disable_ani ? "DISABLED" : "ENABLED"); |
| |
| if (common->disable_ani) |
| goto exit; |
| |
| for (i = 0; i < ARRAY_SIZE(ani_info); i++) |
| len += scnprintf(buf + len, size - len, "%15s: %u\n", |
| ani_info[i].name, ani_info[i].val); |
| |
| exit: |
| if (len > size) |
| len = size; |
| |
| retval = simple_read_from_buffer(user_buf, count, ppos, buf, len); |
| kfree(buf); |
| |
| return retval; |
| } |
| |
| static ssize_t write_file_ani(struct file *file, |
| const char __user *user_buf, |
| size_t count, loff_t *ppos) |
| { |
| struct ath_softc *sc = file->private_data; |
| struct ath_common *common = ath9k_hw_common(sc->sc_ah); |
| unsigned long ani; |
| char buf[32]; |
| ssize_t len; |
| |
| len = min(count, sizeof(buf) - 1); |
| if (copy_from_user(buf, user_buf, len)) |
| return -EFAULT; |
| |
| buf[len] = '\0'; |
| if (kstrtoul(buf, 0, &ani)) |
| return -EINVAL; |
| |
| if (ani > 1) |
| return -EINVAL; |
| |
| common->disable_ani = !ani; |
| |
| if (common->disable_ani) { |
| clear_bit(ATH_OP_ANI_RUN, &common->op_flags); |
| ath_stop_ani(sc); |
| } else { |
| ath_check_ani(sc); |
| } |
| |
| return count; |
| } |
| |
| static const struct file_operations fops_ani = { |
| .read = read_file_ani, |
| .write = write_file_ani, |
| .open = simple_open, |
| .owner = THIS_MODULE, |
| .llseek = default_llseek, |
| }; |
| |
| #ifdef CPTCFG_ATH9K_BTCOEX_SUPPORT |
| |
| static ssize_t read_file_bt_ant_diversity(struct file *file, |
| char __user *user_buf, |
| size_t count, loff_t *ppos) |
| { |
| struct ath_softc *sc = file->private_data; |
| struct ath_common *common = ath9k_hw_common(sc->sc_ah); |
| char buf[32]; |
| unsigned int len; |
| |
| len = sprintf(buf, "%d\n", common->bt_ant_diversity); |
| return simple_read_from_buffer(user_buf, count, ppos, buf, len); |
| } |
| |
| static ssize_t write_file_bt_ant_diversity(struct file *file, |
| const char __user *user_buf, |
| size_t count, loff_t *ppos) |
| { |
| struct ath_softc *sc = file->private_data; |
| struct ath_common *common = ath9k_hw_common(sc->sc_ah); |
| struct ath9k_hw_capabilities *pCap = &sc->sc_ah->caps; |
| unsigned long bt_ant_diversity; |
| char buf[32]; |
| ssize_t len; |
| |
| len = min(count, sizeof(buf) - 1); |
| if (copy_from_user(buf, user_buf, len)) |
| return -EFAULT; |
| |
| if (!(pCap->hw_caps & ATH9K_HW_CAP_BT_ANT_DIV)) |
| goto exit; |
| |
| buf[len] = '\0'; |
| if (kstrtoul(buf, 0, &bt_ant_diversity)) |
| return -EINVAL; |
| |
| common->bt_ant_diversity = !!bt_ant_diversity; |
| ath9k_ps_wakeup(sc); |
| ath9k_hw_set_bt_ant_diversity(sc->sc_ah, common->bt_ant_diversity); |
| ath_dbg(common, CONFIG, "Enable WLAN/BT RX Antenna diversity: %d\n", |
| common->bt_ant_diversity); |
| ath9k_ps_restore(sc); |
| exit: |
| return count; |
| } |
| |
| static const struct file_operations fops_bt_ant_diversity = { |
| .read = read_file_bt_ant_diversity, |
| .write = write_file_bt_ant_diversity, |
| .open = simple_open, |
| .owner = THIS_MODULE, |
| .llseek = default_llseek, |
| }; |
| |
| #endif |
| |
| void ath9k_debug_stat_ant(struct ath_softc *sc, |
| struct ath_hw_antcomb_conf *div_ant_conf, |
| int main_rssi_avg, int alt_rssi_avg) |
| { |
| struct ath_antenna_stats *as_main = &sc->debug.stats.ant_stats[ANT_MAIN]; |
| struct ath_antenna_stats *as_alt = &sc->debug.stats.ant_stats[ANT_ALT]; |
| |
| as_main->lna_attempt_cnt[div_ant_conf->main_lna_conf]++; |
| as_alt->lna_attempt_cnt[div_ant_conf->alt_lna_conf]++; |
| |
| as_main->rssi_avg = main_rssi_avg; |
| as_alt->rssi_avg = alt_rssi_avg; |
| } |
| |
| static ssize_t read_file_antenna_diversity(struct file *file, |
| char __user *user_buf, |
| size_t count, loff_t *ppos) |
| { |
| struct ath_softc *sc = file->private_data; |
| struct ath_hw *ah = sc->sc_ah; |
| struct ath9k_hw_capabilities *pCap = &ah->caps; |
| struct ath_antenna_stats *as_main = &sc->debug.stats.ant_stats[ANT_MAIN]; |
| struct ath_antenna_stats *as_alt = &sc->debug.stats.ant_stats[ANT_ALT]; |
| struct ath_hw_antcomb_conf div_ant_conf; |
| unsigned int len = 0; |
| const unsigned int size = 1024; |
| ssize_t retval = 0; |
| char *buf; |
| static const char *lna_conf_str[4] = { |
| "LNA1_MINUS_LNA2", "LNA2", "LNA1", "LNA1_PLUS_LNA2" |
| }; |
| |
| buf = kzalloc(size, GFP_KERNEL); |
| if (buf == NULL) |
| return -ENOMEM; |
| |
| if (!(pCap->hw_caps & ATH9K_HW_CAP_ANT_DIV_COMB)) { |
| len += scnprintf(buf + len, size - len, "%s\n", |
| "Antenna Diversity Combining is disabled"); |
| goto exit; |
| } |
| |
| ath9k_ps_wakeup(sc); |
| ath9k_hw_antdiv_comb_conf_get(ah, &div_ant_conf); |
| len += scnprintf(buf + len, size - len, "Current MAIN config : %s\n", |
| lna_conf_str[div_ant_conf.main_lna_conf]); |
| len += scnprintf(buf + len, size - len, "Current ALT config : %s\n", |
| lna_conf_str[div_ant_conf.alt_lna_conf]); |
| len += scnprintf(buf + len, size - len, "Average MAIN RSSI : %d\n", |
| as_main->rssi_avg); |
| len += scnprintf(buf + len, size - len, "Average ALT RSSI : %d\n\n", |
| as_alt->rssi_avg); |
| ath9k_ps_restore(sc); |
| |
| len += scnprintf(buf + len, size - len, "Packet Receive Cnt:\n"); |
| len += scnprintf(buf + len, size - len, "-------------------\n"); |
| |
| len += scnprintf(buf + len, size - len, "%30s%15s\n", |
| "MAIN", "ALT"); |
| len += scnprintf(buf + len, size - len, "%-14s:%15d%15d\n", |
| "TOTAL COUNT", |
| as_main->recv_cnt, |
| as_alt->recv_cnt); |
| len += scnprintf(buf + len, size - len, "%-14s:%15d%15d\n", |
| "LNA1", |
| as_main->lna_recv_cnt[ATH_ANT_DIV_COMB_LNA1], |
| as_alt->lna_recv_cnt[ATH_ANT_DIV_COMB_LNA1]); |
| len += scnprintf(buf + len, size - len, "%-14s:%15d%15d\n", |
| "LNA2", |
| as_main->lna_recv_cnt[ATH_ANT_DIV_COMB_LNA2], |
| as_alt->lna_recv_cnt[ATH_ANT_DIV_COMB_LNA2]); |
| len += scnprintf(buf + len, size - len, "%-14s:%15d%15d\n", |
| "LNA1 + LNA2", |
| as_main->lna_recv_cnt[ATH_ANT_DIV_COMB_LNA1_PLUS_LNA2], |
| as_alt->lna_recv_cnt[ATH_ANT_DIV_COMB_LNA1_PLUS_LNA2]); |
| len += scnprintf(buf + len, size - len, "%-14s:%15d%15d\n", |
| "LNA1 - LNA2", |
| as_main->lna_recv_cnt[ATH_ANT_DIV_COMB_LNA1_MINUS_LNA2], |
| as_alt->lna_recv_cnt[ATH_ANT_DIV_COMB_LNA1_MINUS_LNA2]); |
| |
| len += scnprintf(buf + len, size - len, "\nLNA Config Attempts:\n"); |
| len += scnprintf(buf + len, size - len, "--------------------\n"); |
| |
| len += scnprintf(buf + len, size - len, "%30s%15s\n", |
| "MAIN", "ALT"); |
| len += scnprintf(buf + len, size - len, "%-14s:%15d%15d\n", |
| "LNA1", |
| as_main->lna_attempt_cnt[ATH_ANT_DIV_COMB_LNA1], |
| as_alt->lna_attempt_cnt[ATH_ANT_DIV_COMB_LNA1]); |
| len += scnprintf(buf + len, size - len, "%-14s:%15d%15d\n", |
| "LNA2", |
| as_main->lna_attempt_cnt[ATH_ANT_DIV_COMB_LNA2], |
| as_alt->lna_attempt_cnt[ATH_ANT_DIV_COMB_LNA2]); |
| len += scnprintf(buf + len, size - len, "%-14s:%15d%15d\n", |
| "LNA1 + LNA2", |
| as_main->lna_attempt_cnt[ATH_ANT_DIV_COMB_LNA1_PLUS_LNA2], |
| as_alt->lna_attempt_cnt[ATH_ANT_DIV_COMB_LNA1_PLUS_LNA2]); |
| len += scnprintf(buf + len, size - len, "%-14s:%15d%15d\n", |
| "LNA1 - LNA2", |
| as_main->lna_attempt_cnt[ATH_ANT_DIV_COMB_LNA1_MINUS_LNA2], |
| as_alt->lna_attempt_cnt[ATH_ANT_DIV_COMB_LNA1_MINUS_LNA2]); |
| |
| exit: |
| if (len > size) |
| len = size; |
| |
| retval = simple_read_from_buffer(user_buf, count, ppos, buf, len); |
| kfree(buf); |
| |
| return retval; |
| } |
| |
| static const struct file_operations fops_antenna_diversity = { |
| .read = read_file_antenna_diversity, |
| .open = simple_open, |
| .owner = THIS_MODULE, |
| .llseek = default_llseek, |
| }; |
| |
| static int read_file_dma(struct seq_file *file, void *data) |
| { |
| struct ieee80211_hw *hw = dev_get_drvdata(file->private); |
| struct ath_softc *sc = hw->priv; |
| struct ath_hw *ah = sc->sc_ah; |
| u32 val[ATH9K_NUM_DMA_DEBUG_REGS]; |
| int i, qcuOffset = 0, dcuOffset = 0; |
| u32 *qcuBase = &val[0], *dcuBase = &val[4]; |
| |
| ath9k_ps_wakeup(sc); |
| |
| REG_WRITE_D(ah, AR_MACMISC, |
| ((AR_MACMISC_DMA_OBS_LINE_8 << AR_MACMISC_DMA_OBS_S) | |
| (AR_MACMISC_MISC_OBS_BUS_1 << |
| AR_MACMISC_MISC_OBS_BUS_MSB_S))); |
| |
| seq_puts(file, "Raw DMA Debug values:\n"); |
| |
| for (i = 0; i < ATH9K_NUM_DMA_DEBUG_REGS; i++) { |
| if (i % 4 == 0) |
| seq_puts(file, "\n"); |
| |
| val[i] = REG_READ_D(ah, AR_DMADBG_0 + (i * sizeof(u32))); |
| seq_printf(file, "%d: %08x ", i, val[i]); |
| } |
| |
| seq_puts(file, "\n\n"); |
| seq_puts(file, "Num QCU: chain_st fsp_ok fsp_st DCU: chain_st\n"); |
| |
| for (i = 0; i < ATH9K_NUM_QUEUES; i++, qcuOffset += 4, dcuOffset += 5) { |
| if (i == 8) { |
| qcuOffset = 0; |
| qcuBase++; |
| } |
| |
| if (i == 6) { |
| dcuOffset = 0; |
| dcuBase++; |
| } |
| |
| seq_printf(file, "%2d %2x %1x %2x %2x\n", |
| i, (*qcuBase & (0x7 << qcuOffset)) >> qcuOffset, |
| (*qcuBase & (0x8 << qcuOffset)) >> (qcuOffset + 3), |
| (val[2] & (0x7 << (i * 3))) >> (i * 3), |
| (*dcuBase & (0x1f << dcuOffset)) >> dcuOffset); |
| } |
| |
| seq_puts(file, "\n"); |
| |
| seq_printf(file, "qcu_stitch state: %2x qcu_fetch state: %2x\n", |
| (val[3] & 0x003c0000) >> 18, (val[3] & 0x03c00000) >> 22); |
| seq_printf(file, "qcu_complete state: %2x dcu_complete state: %2x\n", |
| (val[3] & 0x1c000000) >> 26, (val[6] & 0x3)); |
| seq_printf(file, "dcu_arb state: %2x dcu_fp state: %2x\n", |
| (val[5] & 0x06000000) >> 25, (val[5] & 0x38000000) >> 27); |
| seq_printf(file, "chan_idle_dur: %3d chan_idle_dur_valid: %1d\n", |
| (val[6] & 0x000003fc) >> 2, (val[6] & 0x00000400) >> 10); |
| seq_printf(file, "txfifo_valid_0: %1d txfifo_valid_1: %1d\n", |
| (val[6] & 0x00000800) >> 11, (val[6] & 0x00001000) >> 12); |
| seq_printf(file, "txfifo_dcu_num_0: %2d txfifo_dcu_num_1: %2d\n", |
| (val[6] & 0x0001e000) >> 13, (val[6] & 0x001e0000) >> 17); |
| |
| seq_printf(file, "pcu observe: 0x%x\n", REG_READ_D(ah, AR_OBS_BUS_1)); |
| seq_printf(file, "AR_CR: 0x%x\n", REG_READ_D(ah, AR_CR)); |
| |
| ath9k_ps_restore(sc); |
| |
| return 0; |
| } |
| |
| void ath_debug_stat_interrupt(struct ath_softc *sc, enum ath9k_int status) |
| { |
| if (status) |
| sc->debug.stats.istats.total++; |
| if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) { |
| if (status & ATH9K_INT_RXLP) |
| sc->debug.stats.istats.rxlp++; |
| if (status & ATH9K_INT_RXHP) |
| sc->debug.stats.istats.rxhp++; |
| if (status & ATH9K_INT_BB_WATCHDOG) |
| sc->debug.stats.istats.bb_watchdog++; |
| } else { |
| if (status & ATH9K_INT_RX) |
| sc->debug.stats.istats.rxok++; |
| } |
| if (status & ATH9K_INT_RXEOL) |
| sc->debug.stats.istats.rxeol++; |
| if (status & ATH9K_INT_RXORN) |
| sc->debug.stats.istats.rxorn++; |
| if (status & ATH9K_INT_TX) |
| sc->debug.stats.istats.txok++; |
| if (status & ATH9K_INT_TXURN) |
| sc->debug.stats.istats.txurn++; |
| if (status & ATH9K_INT_RXPHY) |
| sc->debug.stats.istats.rxphyerr++; |
| if (status & ATH9K_INT_RXKCM) |
| sc->debug.stats.istats.rx_keycache_miss++; |
| if (status & ATH9K_INT_SWBA) |
| sc->debug.stats.istats.swba++; |
| if (status & ATH9K_INT_BMISS) |
| sc->debug.stats.istats.bmiss++; |
| if (status & ATH9K_INT_BNR) |
| sc->debug.stats.istats.bnr++; |
| if (status & ATH9K_INT_CST) |
| sc->debug.stats.istats.cst++; |
| if (status & ATH9K_INT_GTT) |
| sc->debug.stats.istats.gtt++; |
| if (status & ATH9K_INT_TIM) |
| sc->debug.stats.istats.tim++; |
| if (status & ATH9K_INT_CABEND) |
| sc->debug.stats.istats.cabend++; |
| if (status & ATH9K_INT_DTIMSYNC) |
| sc->debug.stats.istats.dtimsync++; |
| if (status & ATH9K_INT_DTIM) |
| sc->debug.stats.istats.dtim++; |
| if (status & ATH9K_INT_TSFOOR) |
| sc->debug.stats.istats.tsfoor++; |
| if (status & ATH9K_INT_MCI) |
| sc->debug.stats.istats.mci++; |
| if (status & ATH9K_INT_GENTIMER) |
| sc->debug.stats.istats.gen_timer++; |
| } |
| |
| static int read_file_interrupt(struct seq_file *file, void *data) |
| { |
| struct ieee80211_hw *hw = dev_get_drvdata(file->private); |
| struct ath_softc *sc = hw->priv; |
| |
| #define PR_IS(a, s) \ |
| do { \ |
| seq_printf(file, "%21s: %10u\n", a, \ |
| sc->debug.stats.istats.s); \ |
| } while (0) |
| |
| if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) { |
| PR_IS("RXLP", rxlp); |
| PR_IS("RXHP", rxhp); |
| PR_IS("WATHDOG", bb_watchdog); |
| } else { |
| PR_IS("RX", rxok); |
| } |
| PR_IS("RXEOL", rxeol); |
| PR_IS("RXORN", rxorn); |
| PR_IS("TX", txok); |
| PR_IS("TXURN", txurn); |
| PR_IS("MIB", mib); |
| PR_IS("RXPHY", rxphyerr); |
| PR_IS("RXKCM", rx_keycache_miss); |
| PR_IS("SWBA", swba); |
| PR_IS("BMISS", bmiss); |
| PR_IS("BNR", bnr); |
| PR_IS("CST", cst); |
| PR_IS("GTT", gtt); |
| PR_IS("TIM", tim); |
| PR_IS("CABEND", cabend); |
| PR_IS("DTIMSYNC", dtimsync); |
| PR_IS("DTIM", dtim); |
| PR_IS("TSFOOR", tsfoor); |
| PR_IS("MCI", mci); |
| PR_IS("GENTIMER", gen_timer); |
| PR_IS("TOTAL", total); |
| |
| seq_puts(file, "SYNC_CAUSE stats:\n"); |
| |
| PR_IS("Sync-All", sync_cause_all); |
| PR_IS("RTC-IRQ", sync_rtc_irq); |
| PR_IS("MAC-IRQ", sync_mac_irq); |
| PR_IS("EEPROM-Illegal-Access", eeprom_illegal_access); |
| PR_IS("APB-Timeout", apb_timeout); |
| PR_IS("PCI-Mode-Conflict", pci_mode_conflict); |
| PR_IS("HOST1-Fatal", host1_fatal); |
| PR_IS("HOST1-Perr", host1_perr); |
| PR_IS("TRCV-FIFO-Perr", trcv_fifo_perr); |
| PR_IS("RADM-CPL-EP", radm_cpl_ep); |
| PR_IS("RADM-CPL-DLLP-Abort", radm_cpl_dllp_abort); |
| PR_IS("RADM-CPL-TLP-Abort", radm_cpl_tlp_abort); |
| PR_IS("RADM-CPL-ECRC-Err", radm_cpl_ecrc_err); |
| PR_IS("RADM-CPL-Timeout", radm_cpl_timeout); |
| PR_IS("Local-Bus-Timeout", local_timeout); |
| PR_IS("PM-Access", pm_access); |
| PR_IS("MAC-Awake", mac_awake); |
| PR_IS("MAC-Asleep", mac_asleep); |
| PR_IS("MAC-Sleep-Access", mac_sleep_access); |
| |
| return 0; |
| } |
| |
| static int read_file_xmit(struct seq_file *file, void *data) |
| { |
| struct ieee80211_hw *hw = dev_get_drvdata(file->private); |
| struct ath_softc *sc = hw->priv; |
| |
| seq_printf(file, "%30s %10s%10s%10s\n\n", "BE", "BK", "VI", "VO"); |
| |
| PR("MPDUs Queued: ", queued); |
| PR("MPDUs Completed: ", completed); |
| PR("MPDUs XRetried: ", xretries); |
| PR("Aggregates: ", a_aggr); |
| PR("AMPDUs Queued HW:", a_queued_hw); |
| PR("AMPDUs Queued SW:", a_queued_sw); |
| PR("AMPDUs Completed:", a_completed); |
| PR("AMPDUs Retried: ", a_retries); |
| PR("AMPDUs XRetried: ", a_xretries); |
| PR("TXERR Filtered: ", txerr_filtered); |
| PR("FIFO Underrun: ", fifo_underrun); |
| PR("TXOP Exceeded: ", xtxop); |
| PR("TXTIMER Expiry: ", timer_exp); |
| PR("DESC CFG Error: ", desc_cfg_err); |
| PR("DATA Underrun: ", data_underrun); |
| PR("DELIM Underrun: ", delim_underrun); |
| PR("TX-Pkts-All: ", tx_pkts_all); |
| PR("TX-Bytes-All: ", tx_bytes_all); |
| PR("HW-put-tx-buf: ", puttxbuf); |
| PR("HW-tx-start: ", txstart); |
| PR("HW-tx-proc-desc: ", txprocdesc); |
| PR("TX-Failed: ", txfailed); |
| |
| return 0; |
| } |
| |
| static void print_queue(struct ath_softc *sc, struct ath_txq *txq, |
| struct seq_file *file) |
| { |
| ath_txq_lock(sc, txq); |
| |
| seq_printf(file, "%s: %d ", "qnum", txq->axq_qnum); |
| seq_printf(file, "%s: %2d ", "qdepth", txq->axq_depth); |
| seq_printf(file, "%s: %2d ", "ampdu-depth", txq->axq_ampdu_depth); |
| seq_printf(file, "%s: %3d ", "pending", txq->pending_frames); |
| seq_printf(file, "%s: %d\n", "stopped", txq->stopped); |
| |
| ath_txq_unlock(sc, txq); |
| } |
| |
| static int read_file_queues(struct seq_file *file, void *data) |
| { |
| struct ieee80211_hw *hw = dev_get_drvdata(file->private); |
| struct ath_softc *sc = hw->priv; |
| struct ath_txq *txq; |
| int i; |
| static const char *qname[4] = { |
| "VO", "VI", "BE", "BK" |
| }; |
| |
| for (i = 0; i < IEEE80211_NUM_ACS; i++) { |
| txq = sc->tx.txq_map[i]; |
| seq_printf(file, "(%s): ", qname[i]); |
| print_queue(sc, txq, file); |
| } |
| |
| seq_puts(file, "(CAB): "); |
| print_queue(sc, sc->beacon.cabq, file); |
| |
| return 0; |
| } |
| |
| static int read_file_misc(struct seq_file *file, void *data) |
| { |
| struct ieee80211_hw *hw = dev_get_drvdata(file->private); |
| struct ath_softc *sc = hw->priv; |
| struct ath_common *common = ath9k_hw_common(sc->sc_ah); |
| struct ath9k_vif_iter_data iter_data; |
| struct ath_chanctx *ctx; |
| unsigned int reg; |
| u32 rxfilter, i; |
| |
| seq_printf(file, "BSSID: %pM\n", common->curbssid); |
| seq_printf(file, "BSSID-MASK: %pM\n", common->bssidmask); |
| seq_printf(file, "OPMODE: %s\n", |
| ath_opmode_to_string(sc->sc_ah->opmode)); |
| |
| ath9k_ps_wakeup(sc); |
| rxfilter = ath9k_hw_getrxfilter(sc->sc_ah); |
| ath9k_ps_restore(sc); |
| |
| seq_printf(file, "RXFILTER: 0x%x", rxfilter); |
| |
| if (rxfilter & ATH9K_RX_FILTER_UCAST) |
| seq_puts(file, " UCAST"); |
| if (rxfilter & ATH9K_RX_FILTER_MCAST) |
| seq_puts(file, " MCAST"); |
| if (rxfilter & ATH9K_RX_FILTER_BCAST) |
| seq_puts(file, " BCAST"); |
| if (rxfilter & ATH9K_RX_FILTER_CONTROL) |
| seq_puts(file, " CONTROL"); |
| if (rxfilter & ATH9K_RX_FILTER_BEACON) |
| seq_puts(file, " BEACON"); |
| if (rxfilter & ATH9K_RX_FILTER_PROM) |
| seq_puts(file, " PROM"); |
| if (rxfilter & ATH9K_RX_FILTER_PROBEREQ) |
| seq_puts(file, " PROBEREQ"); |
| if (rxfilter & ATH9K_RX_FILTER_PHYERR) |
| seq_puts(file, " PHYERR"); |
| if (rxfilter & ATH9K_RX_FILTER_MYBEACON) |
| seq_puts(file, " MYBEACON"); |
| if (rxfilter & ATH9K_RX_FILTER_COMP_BAR) |
| seq_puts(file, " COMP_BAR"); |
| if (rxfilter & ATH9K_RX_FILTER_PSPOLL) |
| seq_puts(file, " PSPOLL"); |
| if (rxfilter & ATH9K_RX_FILTER_PHYRADAR) |
| seq_puts(file, " PHYRADAR"); |
| if (rxfilter & ATH9K_RX_FILTER_MCAST_BCAST_ALL) |
| seq_puts(file, " MCAST_BCAST_ALL"); |
| if (rxfilter & ATH9K_RX_FILTER_CONTROL_WRAPPER) |
| seq_puts(file, " CONTROL_WRAPPER"); |
| |
| seq_puts(file, "\n"); |
| |
| reg = sc->sc_ah->imask; |
| |
| seq_printf(file, "INTERRUPT-MASK: 0x%x", reg); |
| |
| if (reg & ATH9K_INT_SWBA) |
| seq_puts(file, " SWBA"); |
| if (reg & ATH9K_INT_BMISS) |
| seq_puts(file, " BMISS"); |
| if (reg & ATH9K_INT_CST) |
| seq_puts(file, " CST"); |
| if (reg & ATH9K_INT_RX) |
| seq_puts(file, " RX"); |
| if (reg & ATH9K_INT_RXHP) |
| seq_puts(file, " RXHP"); |
| if (reg & ATH9K_INT_RXLP) |
| seq_puts(file, " RXLP"); |
| if (reg & ATH9K_INT_BB_WATCHDOG) |
| seq_puts(file, " BB_WATCHDOG"); |
| |
| seq_puts(file, "\n"); |
| |
| i = 0; |
| ath_for_each_chanctx(sc, ctx) { |
| if (list_empty(&ctx->vifs)) |
| continue; |
| ath9k_calculate_iter_data(sc, ctx, &iter_data); |
| |
| seq_printf(file, |
| "VIFS: CTX %i(%i) AP: %i STA: %i MESH: %i WDS: %i", |
| i++, (int)(ctx->assigned), iter_data.naps, |
| iter_data.nstations, |
| iter_data.nmeshes, iter_data.nwds); |
| seq_printf(file, " ADHOC: %i OCB: %i TOTAL: %hi BEACON-VIF: %hi\n", |
| iter_data.nadhocs, iter_data.nocbs, sc->cur_chan->nvifs, |
| sc->nbcnvifs); |
| } |
| |
| return 0; |
| } |
| |
| static int read_file_reset(struct seq_file *file, void *data) |
| { |
| struct ieee80211_hw *hw = dev_get_drvdata(file->private); |
| struct ath_softc *sc = hw->priv; |
| static const char * const reset_cause[__RESET_TYPE_MAX] = { |
| [RESET_TYPE_BB_HANG] = "Baseband Hang", |
| [RESET_TYPE_BB_WATCHDOG] = "Baseband Watchdog", |
| [RESET_TYPE_FATAL_INT] = "Fatal HW Error", |
| [RESET_TYPE_TX_ERROR] = "TX HW error", |
| [RESET_TYPE_TX_GTT] = "Transmit timeout", |
| [RESET_TYPE_TX_HANG] = "TX Path Hang", |
| [RESET_TYPE_PLL_HANG] = "PLL RX Hang", |
| [RESET_TYPE_MAC_HANG] = "MAC Hang", |
| [RESET_TYPE_BEACON_STUCK] = "Stuck Beacon", |
| [RESET_TYPE_MCI] = "MCI Reset", |
| [RESET_TYPE_CALIBRATION] = "Calibration error", |
| [RESET_TX_DMA_ERROR] = "Tx DMA stop error", |
| [RESET_RX_DMA_ERROR] = "Rx DMA stop error", |
| }; |
| int i; |
| |
| for (i = 0; i < ARRAY_SIZE(reset_cause); i++) { |
| if (!reset_cause[i]) |
| continue; |
| |
| seq_printf(file, "%17s: %2d\n", reset_cause[i], |
| sc->debug.stats.reset[i]); |
| } |
| |
| return 0; |
| } |
| |
| void ath_debug_stat_tx(struct ath_softc *sc, struct ath_buf *bf, |
| struct ath_tx_status *ts, struct ath_txq *txq, |
| unsigned int flags) |
| { |
| int qnum = txq->axq_qnum; |
| |
| TX_STAT_INC(qnum, tx_pkts_all); |
| sc->debug.stats.txstats[qnum].tx_bytes_all += bf->bf_mpdu->len; |
| |
| if (bf_isampdu(bf)) { |
| if (flags & ATH_TX_ERROR) |
| TX_STAT_INC(qnum, a_xretries); |
| else |
| TX_STAT_INC(qnum, a_completed); |
| } else { |
| if (ts->ts_status & ATH9K_TXERR_XRETRY) |
| TX_STAT_INC(qnum, xretries); |
| else |
| TX_STAT_INC(qnum, completed); |
| } |
| |
| if (ts->ts_status & ATH9K_TXERR_FILT) |
| TX_STAT_INC(qnum, txerr_filtered); |
| if (ts->ts_status & ATH9K_TXERR_FIFO) |
| TX_STAT_INC(qnum, fifo_underrun); |
| if (ts->ts_status & ATH9K_TXERR_XTXOP) |
| TX_STAT_INC(qnum, xtxop); |
| if (ts->ts_status & ATH9K_TXERR_TIMER_EXPIRED) |
| TX_STAT_INC(qnum, timer_exp); |
| if (ts->ts_flags & ATH9K_TX_DESC_CFG_ERR) |
| TX_STAT_INC(qnum, desc_cfg_err); |
| if (ts->ts_flags & ATH9K_TX_DATA_UNDERRUN) |
| TX_STAT_INC(qnum, data_underrun); |
| if (ts->ts_flags & ATH9K_TX_DELIM_UNDERRUN) |
| TX_STAT_INC(qnum, delim_underrun); |
| } |
| |
| void ath_debug_stat_rx(struct ath_softc *sc, struct ath_rx_status *rs) |
| { |
| ath9k_cmn_debug_stat_rx(&sc->debug.stats.rxstats, rs); |
| } |
| |
| static ssize_t read_file_regidx(struct file *file, char __user *user_buf, |
| size_t count, loff_t *ppos) |
| { |
| struct ath_softc *sc = file->private_data; |
| char buf[32]; |
| unsigned int len; |
| |
| len = sprintf(buf, "0x%08x\n", sc->debug.regidx); |
| return simple_read_from_buffer(user_buf, count, ppos, buf, len); |
| } |
| |
| static ssize_t write_file_regidx(struct file *file, const char __user *user_buf, |
| size_t count, loff_t *ppos) |
| { |
| struct ath_softc *sc = file->private_data; |
| unsigned long regidx; |
| char buf[32]; |
| ssize_t len; |
| |
| len = min(count, sizeof(buf) - 1); |
| if (copy_from_user(buf, user_buf, len)) |
| return -EFAULT; |
| |
| buf[len] = '\0'; |
| if (kstrtoul(buf, 0, ®idx)) |
| return -EINVAL; |
| |
| sc->debug.regidx = regidx; |
| return count; |
| } |
| |
| static const struct file_operations fops_regidx = { |
| .read = read_file_regidx, |
| .write = write_file_regidx, |
| .open = simple_open, |
| .owner = THIS_MODULE, |
| .llseek = default_llseek, |
| }; |
| |
| static ssize_t read_file_regval(struct file *file, char __user *user_buf, |
| size_t count, loff_t *ppos) |
| { |
| struct ath_softc *sc = file->private_data; |
| struct ath_hw *ah = sc->sc_ah; |
| char buf[32]; |
| unsigned int len; |
| u32 regval; |
| |
| ath9k_ps_wakeup(sc); |
| regval = REG_READ_D(ah, sc->debug.regidx); |
| ath9k_ps_restore(sc); |
| len = sprintf(buf, "0x%08x\n", regval); |
| return simple_read_from_buffer(user_buf, count, ppos, buf, len); |
| } |
| |
| static ssize_t write_file_regval(struct file *file, const char __user *user_buf, |
| size_t count, loff_t *ppos) |
| { |
| struct ath_softc *sc = file->private_data; |
| struct ath_hw *ah = sc->sc_ah; |
| unsigned long regval; |
| char buf[32]; |
| ssize_t len; |
| |
| len = min(count, sizeof(buf) - 1); |
| if (copy_from_user(buf, user_buf, len)) |
| return -EFAULT; |
| |
| buf[len] = '\0'; |
| if (kstrtoul(buf, 0, ®val)) |
| return -EINVAL; |
| |
| ath9k_ps_wakeup(sc); |
| REG_WRITE_D(ah, sc->debug.regidx, regval); |
| ath9k_ps_restore(sc); |
| return count; |
| } |
| |
| static const struct file_operations fops_regval = { |
| .read = read_file_regval, |
| .write = write_file_regval, |
| .open = simple_open, |
| .owner = THIS_MODULE, |
| .llseek = default_llseek, |
| }; |
| |
| #define REGDUMP_LINE_SIZE 20 |
| |
| static int open_file_regdump(struct inode *inode, struct file *file) |
| { |
| struct ath_softc *sc = inode->i_private; |
| unsigned int len = 0; |
| u8 *buf; |
| int i; |
| unsigned long num_regs, regdump_len, max_reg_offset; |
| |
| max_reg_offset = AR_SREV_9300_20_OR_LATER(sc->sc_ah) ? 0x16bd4 : 0xb500; |
| num_regs = max_reg_offset / 4 + 1; |
| regdump_len = num_regs * REGDUMP_LINE_SIZE + 1; |
| buf = vmalloc(regdump_len); |
| if (!buf) |
| return -ENOMEM; |
| |
| ath9k_ps_wakeup(sc); |
| for (i = 0; i < num_regs; i++) |
| len += scnprintf(buf + len, regdump_len - len, |
| "0x%06x 0x%08x\n", i << 2, REG_READ(sc->sc_ah, i << 2)); |
| ath9k_ps_restore(sc); |
| |
| file->private_data = buf; |
| |
| return 0; |
| } |
| |
| static const struct file_operations fops_regdump = { |
| .open = open_file_regdump, |
| .read = ath9k_debugfs_read_buf, |
| .release = ath9k_debugfs_release_buf, |
| .owner = THIS_MODULE, |
| .llseek = default_llseek,/* read accesses f_pos */ |
| }; |
| |
| static int read_file_dump_nfcal(struct seq_file *file, void *data) |
| { |
| struct ieee80211_hw *hw = dev_get_drvdata(file->private); |
| struct ath_softc *sc = hw->priv; |
| struct ath_hw *ah = sc->sc_ah; |
| struct ath9k_nfcal_hist *h = sc->cur_chan->caldata.nfCalHist; |
| struct ath_common *common = ath9k_hw_common(ah); |
| struct ieee80211_conf *conf = &common->hw->conf; |
| u32 i, j; |
| u8 chainmask = (ah->rxchainmask << 3) | ah->rxchainmask; |
| u8 nread; |
| |
| seq_printf(file, "Channel Noise Floor : %d\n", ah->noise); |
| seq_puts(file, "Chain | privNF | # Readings | NF Readings\n"); |
| for (i = 0; i < NUM_NF_READINGS; i++) { |
| if (!(chainmask & (1 << i)) || |
| ((i >= AR5416_MAX_CHAINS) && !conf_is_ht40(conf))) |
| continue; |
| |
| nread = AR_PHY_CCA_FILTERWINDOW_LENGTH - h[i].invalidNFcount; |
| seq_printf(file, " %d\t %d\t %d\t\t", i, h[i].privNF, nread); |
| for (j = 0; j < nread; j++) |
| seq_printf(file, " %d", h[i].nfCalBuffer[j]); |
| seq_puts(file, "\n"); |
| } |
| |
| return 0; |
| } |
| |
| static int open_file_dump_nfcal(struct inode *inode, struct file *f) |
| { |
| return single_open(f, read_file_dump_nfcal, inode->i_private); |
| } |
| |
| static const struct file_operations fops_dump_nfcal = { |
| .read = seq_read, |
| .open = open_file_dump_nfcal, |
| .owner = THIS_MODULE, |
| .llseek = seq_lseek, |
| .release = single_release, |
| }; |
| |
| #ifdef CPTCFG_ATH9K_BTCOEX_SUPPORT |
| static ssize_t read_file_btcoex(struct file *file, char __user *user_buf, |
| size_t count, loff_t *ppos) |
| { |
| struct ath_softc *sc = file->private_data; |
| u32 len = 0, size = 1500; |
| char *buf; |
| size_t retval; |
| |
| buf = kzalloc(size, GFP_KERNEL); |
| if (buf == NULL) |
| return -ENOMEM; |
| |
| if (!sc->sc_ah->common.btcoex_enabled) { |
| len = scnprintf(buf, size, "%s\n", |
| "BTCOEX is disabled"); |
| goto exit; |
| } |
| |
| len = ath9k_dump_btcoex(sc, buf, size); |
| exit: |
| retval = simple_read_from_buffer(user_buf, count, ppos, buf, len); |
| kfree(buf); |
| |
| return retval; |
| } |
| |
| static const struct file_operations fops_btcoex = { |
| .read = read_file_btcoex, |
| .open = simple_open, |
| .owner = THIS_MODULE, |
| .llseek = default_llseek, |
| }; |
| #endif |
| |
| #ifdef CPTCFG_ATH9K_DYNACK |
| static ssize_t read_file_ackto(struct file *file, char __user *user_buf, |
| size_t count, loff_t *ppos) |
| { |
| struct ath_softc *sc = file->private_data; |
| struct ath_hw *ah = sc->sc_ah; |
| char buf[32]; |
| unsigned int len; |
| |
| len = sprintf(buf, "%u %c\n", ah->dynack.ackto, |
| (ah->dynack.enabled) ? 'A' : 'S'); |
| |
| return simple_read_from_buffer(user_buf, count, ppos, buf, len); |
| } |
| |
| static const struct file_operations fops_ackto = { |
| .read = read_file_ackto, |
| .open = simple_open, |
| .owner = THIS_MODULE, |
| .llseek = default_llseek, |
| }; |
| #endif |
| |
| #ifdef CPTCFG_ATH9K_WOW |
| |
| static ssize_t read_file_wow(struct file *file, char __user *user_buf, |
| size_t count, loff_t *ppos) |
| { |
| struct ath_softc *sc = file->private_data; |
| unsigned int len = 0, size = 32; |
| ssize_t retval; |
| char *buf; |
| |
| buf = kzalloc(size, GFP_KERNEL); |
| if (!buf) |
| return -ENOMEM; |
| |
| len += scnprintf(buf + len, size - len, "WOW: %s\n", |
| sc->force_wow ? "ENABLED" : "DISABLED"); |
| |
| if (len > size) |
| len = size; |
| |
| retval = simple_read_from_buffer(user_buf, count, ppos, buf, len); |
| kfree(buf); |
| |
| return retval; |
| } |
| |
| static ssize_t write_file_wow(struct file *file, const char __user *user_buf, |
| size_t count, loff_t *ppos) |
| { |
| struct ath_softc *sc = file->private_data; |
| unsigned long val; |
| char buf[32]; |
| ssize_t len; |
| |
| len = min(count, sizeof(buf) - 1); |
| if (copy_from_user(buf, user_buf, len)) |
| return -EFAULT; |
| |
| buf[len] = '\0'; |
| if (kstrtoul(buf, 0, &val)) |
| return -EINVAL; |
| |
| if (val != 1) |
| return -EINVAL; |
| |
| if (!sc->force_wow) { |
| sc->force_wow = true; |
| ath9k_init_wow(sc->hw); |
| } |
| |
| return count; |
| } |
| |
| static const struct file_operations fops_wow = { |
| .read = read_file_wow, |
| .write = write_file_wow, |
| .open = simple_open, |
| .owner = THIS_MODULE, |
| .llseek = default_llseek, |
| }; |
| |
| #endif |
| |
| static ssize_t read_file_tpc(struct file *file, char __user *user_buf, |
| size_t count, loff_t *ppos) |
| { |
| struct ath_softc *sc = file->private_data; |
| struct ath_hw *ah = sc->sc_ah; |
| unsigned int len = 0, size = 32; |
| ssize_t retval; |
| char *buf; |
| |
| buf = kzalloc(size, GFP_KERNEL); |
| if (!buf) |
| return -ENOMEM; |
| |
| len += scnprintf(buf + len, size - len, "%s\n", |
| ah->tpc_enabled ? "ENABLED" : "DISABLED"); |
| |
| if (len > size) |
| len = size; |
| |
| retval = simple_read_from_buffer(user_buf, count, ppos, buf, len); |
| kfree(buf); |
| |
| return retval; |
| } |
| |
| static ssize_t write_file_tpc(struct file *file, const char __user *user_buf, |
| size_t count, loff_t *ppos) |
| { |
| struct ath_softc *sc = file->private_data; |
| struct ath_hw *ah = sc->sc_ah; |
| unsigned long val; |
| char buf[32]; |
| ssize_t len; |
| bool tpc_enabled; |
| |
| len = min(count, sizeof(buf) - 1); |
| if (copy_from_user(buf, user_buf, len)) |
| return -EFAULT; |
| |
| buf[len] = '\0'; |
| if (kstrtoul(buf, 0, &val)) |
| return -EINVAL; |
| |
| if (val < 0 || val > 1) |
| return -EINVAL; |
| |
| tpc_enabled = !!val; |
| |
| if (tpc_enabled != ah->tpc_enabled) { |
| ah->tpc_enabled = tpc_enabled; |
| |
| mutex_lock(&sc->mutex); |
| ath9k_set_txpower(sc, NULL); |
| mutex_unlock(&sc->mutex); |
| } |
| |
| return count; |
| } |
| |
| static const struct file_operations fops_tpc = { |
| .read = read_file_tpc, |
| .write = write_file_tpc, |
| .open = simple_open, |
| .owner = THIS_MODULE, |
| .llseek = default_llseek, |
| }; |
| |
| /* Ethtool support for get-stats */ |
| |
| #define AMKSTR(nm) #nm "_BE", #nm "_BK", #nm "_VI", #nm "_VO" |
| static const char ath9k_gstrings_stats[][ETH_GSTRING_LEN] = { |
| "tx_pkts_nic", |
| "tx_bytes_nic", |
| "rx_pkts_nic", |
| "rx_bytes_nic", |
| AMKSTR(d_tx_pkts), |
| AMKSTR(d_tx_bytes), |
| AMKSTR(d_tx_mpdus_queued), |
| AMKSTR(d_tx_mpdus_completed), |
| AMKSTR(d_tx_mpdu_xretries), |
| AMKSTR(d_tx_aggregates), |
| AMKSTR(d_tx_ampdus_queued_hw), |
| AMKSTR(d_tx_ampdus_queued_sw), |
| AMKSTR(d_tx_ampdus_completed), |
| AMKSTR(d_tx_ampdu_retries), |
| AMKSTR(d_tx_ampdu_xretries), |
| AMKSTR(d_tx_fifo_underrun), |
| AMKSTR(d_tx_op_exceeded), |
| AMKSTR(d_tx_timer_expiry), |
| AMKSTR(d_tx_desc_cfg_err), |
| AMKSTR(d_tx_data_underrun), |
| AMKSTR(d_tx_delim_underrun), |
| "d_rx_crc_err", |
| "d_rx_decrypt_crc_err", |
| "d_rx_phy_err", |
| "d_rx_mic_err", |
| "d_rx_pre_delim_crc_err", |
| "d_rx_post_delim_crc_err", |
| "d_rx_decrypt_busy_err", |
| |
| "d_rx_phyerr_radar", |
| "d_rx_phyerr_ofdm_timing", |
| "d_rx_phyerr_cck_timing", |
| |
| }; |
| #define ATH9K_SSTATS_LEN ARRAY_SIZE(ath9k_gstrings_stats) |
| |
| void ath9k_get_et_strings(struct ieee80211_hw *hw, |
| struct ieee80211_vif *vif, |
| u32 sset, u8 *data) |
| { |
| if (sset == ETH_SS_STATS) |
| memcpy(data, *ath9k_gstrings_stats, |
| sizeof(ath9k_gstrings_stats)); |
| } |
| |
| int ath9k_get_et_sset_count(struct ieee80211_hw *hw, |
| struct ieee80211_vif *vif, int sset) |
| { |
| if (sset == ETH_SS_STATS) |
| return ATH9K_SSTATS_LEN; |
| return 0; |
| } |
| |
| #define AWDATA(elem) \ |
| do { \ |
| data[i++] = sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BE)].elem; \ |
| data[i++] = sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BK)].elem; \ |
| data[i++] = sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_VI)].elem; \ |
| data[i++] = sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_VO)].elem; \ |
| } while (0) |
| |
| #define AWDATA_RX(elem) \ |
| do { \ |
| data[i++] = sc->debug.stats.rxstats.elem; \ |
| } while (0) |
| |
| void ath9k_get_et_stats(struct ieee80211_hw *hw, |
| struct ieee80211_vif *vif, |
| struct ethtool_stats *stats, u64 *data) |
| { |
| struct ath_softc *sc = hw->priv; |
| int i = 0; |
| |
| data[i++] = (sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BE)].tx_pkts_all + |
| sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BK)].tx_pkts_all + |
| sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_VI)].tx_pkts_all + |
| sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_VO)].tx_pkts_all); |
| data[i++] = (sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BE)].tx_bytes_all + |
| sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BK)].tx_bytes_all + |
| sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_VI)].tx_bytes_all + |
| sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_VO)].tx_bytes_all); |
| AWDATA_RX(rx_pkts_all); |
| AWDATA_RX(rx_bytes_all); |
| |
| AWDATA(tx_pkts_all); |
| AWDATA(tx_bytes_all); |
| AWDATA(queued); |
| AWDATA(completed); |
| AWDATA(xretries); |
| AWDATA(a_aggr); |
| AWDATA(a_queued_hw); |
| AWDATA(a_queued_sw); |
| AWDATA(a_completed); |
| AWDATA(a_retries); |
| AWDATA(a_xretries); |
| AWDATA(fifo_underrun); |
| AWDATA(xtxop); |
| AWDATA(timer_exp); |
| AWDATA(desc_cfg_err); |
| AWDATA(data_underrun); |
| AWDATA(delim_underrun); |
| |
| AWDATA_RX(crc_err); |
| AWDATA_RX(decrypt_crc_err); |
| AWDATA_RX(phy_err); |
| AWDATA_RX(mic_err); |
| AWDATA_RX(pre_delim_crc_err); |
| AWDATA_RX(post_delim_crc_err); |
| AWDATA_RX(decrypt_busy_err); |
| |
| AWDATA_RX(phy_err_stats[ATH9K_PHYERR_RADAR]); |
| AWDATA_RX(phy_err_stats[ATH9K_PHYERR_OFDM_TIMING]); |
| AWDATA_RX(phy_err_stats[ATH9K_PHYERR_CCK_TIMING]); |
| |
| WARN_ON(i != ATH9K_SSTATS_LEN); |
| } |
| |
| void ath9k_deinit_debug(struct ath_softc *sc) |
| { |
| ath9k_cmn_spectral_deinit_debug(&sc->spec_priv); |
| } |
| |
| int ath9k_init_debug(struct ath_hw *ah) |
| { |
| struct ath_common *common = ath9k_hw_common(ah); |
| struct ath_softc *sc = (struct ath_softc *) common->priv; |
| |
| sc->debug.debugfs_phy = debugfs_create_dir("ath9k", |
| sc->hw->wiphy->debugfsdir); |
| if (!sc->debug.debugfs_phy) |
| return -ENOMEM; |
| |
| #ifdef CPTCFG_ATH_DEBUG |
| debugfs_create_file("debug", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy, |
| sc, &fops_debug); |
| #endif |
| |
| ath9k_dfs_init_debug(sc); |
| ath9k_tx99_init_debug(sc); |
| ath9k_cmn_spectral_init_debug(&sc->spec_priv, sc->debug.debugfs_phy); |
| |
| debugfs_create_devm_seqfile(sc->dev, "dma", sc->debug.debugfs_phy, |
| read_file_dma); |
| debugfs_create_devm_seqfile(sc->dev, "interrupt", sc->debug.debugfs_phy, |
| read_file_interrupt); |
| debugfs_create_devm_seqfile(sc->dev, "xmit", sc->debug.debugfs_phy, |
| read_file_xmit); |
| debugfs_create_devm_seqfile(sc->dev, "queues", sc->debug.debugfs_phy, |
| read_file_queues); |
| debugfs_create_u32("qlen_bk", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy, |
| &sc->tx.txq_max_pending[IEEE80211_AC_BK]); |
| debugfs_create_u32("qlen_be", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy, |
| &sc->tx.txq_max_pending[IEEE80211_AC_BE]); |
| debugfs_create_u32("qlen_vi", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy, |
| &sc->tx.txq_max_pending[IEEE80211_AC_VI]); |
| debugfs_create_u32("qlen_vo", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy, |
| &sc->tx.txq_max_pending[IEEE80211_AC_VO]); |
| debugfs_create_devm_seqfile(sc->dev, "misc", sc->debug.debugfs_phy, |
| read_file_misc); |
| debugfs_create_devm_seqfile(sc->dev, "reset", sc->debug.debugfs_phy, |
| read_file_reset); |
| |
| ath9k_cmn_debug_recv(sc->debug.debugfs_phy, &sc->debug.stats.rxstats); |
| ath9k_cmn_debug_phy_err(sc->debug.debugfs_phy, &sc->debug.stats.rxstats); |
| |
| debugfs_create_u8("rx_chainmask", S_IRUSR, sc->debug.debugfs_phy, |
| &ah->rxchainmask); |
| debugfs_create_u8("tx_chainmask", S_IRUSR, sc->debug.debugfs_phy, |
| &ah->txchainmask); |
| debugfs_create_file("ani", S_IRUSR | S_IWUSR, |
| sc->debug.debugfs_phy, sc, &fops_ani); |
| debugfs_create_bool("paprd", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy, |
| &sc->sc_ah->config.enable_paprd); |
| debugfs_create_file("regidx", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy, |
| sc, &fops_regidx); |
| debugfs_create_file("regval", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy, |
| sc, &fops_regval); |
| debugfs_create_bool("ignore_extcca", S_IRUSR | S_IWUSR, |
| sc->debug.debugfs_phy, |
| &ah->config.cwm_ignore_extcca); |
| debugfs_create_file("regdump", S_IRUSR, sc->debug.debugfs_phy, sc, |
| &fops_regdump); |
| debugfs_create_devm_seqfile(sc->dev, "dump_nfcal", |
| sc->debug.debugfs_phy, |
| read_file_dump_nfcal); |
| |
| ath9k_cmn_debug_base_eeprom(sc->debug.debugfs_phy, sc->sc_ah); |
| ath9k_cmn_debug_modal_eeprom(sc->debug.debugfs_phy, sc->sc_ah); |
| |
| debugfs_create_u32("gpio_mask", S_IRUSR | S_IWUSR, |
| sc->debug.debugfs_phy, &sc->sc_ah->gpio_mask); |
| debugfs_create_u32("gpio_val", S_IRUSR | S_IWUSR, |
| sc->debug.debugfs_phy, &sc->sc_ah->gpio_val); |
| debugfs_create_file("antenna_diversity", S_IRUSR, |
| sc->debug.debugfs_phy, sc, &fops_antenna_diversity); |
| #ifdef CPTCFG_ATH9K_BTCOEX_SUPPORT |
| debugfs_create_file("bt_ant_diversity", S_IRUSR | S_IWUSR, |
| sc->debug.debugfs_phy, sc, &fops_bt_ant_diversity); |
| debugfs_create_file("btcoex", S_IRUSR, sc->debug.debugfs_phy, sc, |
| &fops_btcoex); |
| #endif |
| |
| #ifdef CPTCFG_ATH9K_WOW |
| debugfs_create_file("wow", S_IRUSR | S_IWUSR, |
| sc->debug.debugfs_phy, sc, &fops_wow); |
| #endif |
| |
| #ifdef CPTCFG_ATH9K_DYNACK |
| debugfs_create_file("ack_to", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy, |
| sc, &fops_ackto); |
| #endif |
| debugfs_create_file("tpc", S_IRUSR | S_IWUSR, |
| sc->debug.debugfs_phy, sc, &fops_tpc); |
| |
| return 0; |
| } |