| /* |
| * 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)) |
| |
| |
| 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 CONFIG_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, size = 1024; |
| ssize_t retval = 0; |
| char *buf; |
| |
| buf = kzalloc(size, GFP_KERNEL); |
| if (buf == NULL) |
| return -ENOMEM; |
| |
| if (common->disable_ani) { |
| len += scnprintf(buf + len, size - len, "%s: %s\n", |
| "ANI", "DISABLED"); |
| goto exit; |
| } |
| |
| len += scnprintf(buf + len, size - len, "%15s: %s\n", |
| "ANI", "ENABLED"); |
| len += scnprintf(buf + len, size - len, "%15s: %u\n", |
| "ANI RESET", ah->stats.ast_ani_reset); |
| len += scnprintf(buf + len, size - len, "%15s: %u\n", |
| "SPUR UP", ah->stats.ast_ani_spurup); |
| len += scnprintf(buf + len, size - len, "%15s: %u\n", |
| "SPUR DOWN", ah->stats.ast_ani_spurup); |
| len += scnprintf(buf + len, size - len, "%15s: %u\n", |
| "OFDM WS-DET ON", ah->stats.ast_ani_ofdmon); |
| len += scnprintf(buf + len, size - len, "%15s: %u\n", |
| "OFDM WS-DET OFF", ah->stats.ast_ani_ofdmoff); |
| len += scnprintf(buf + len, size - len, "%15s: %u\n", |
| "MRC-CCK ON", ah->stats.ast_ani_ccklow); |
| len += scnprintf(buf + len, size - len, "%15s: %u\n", |
| "MRC-CCK OFF", ah->stats.ast_ani_cckhigh); |
| len += scnprintf(buf + len, size - len, "%15s: %u\n", |
| "FIR-STEP UP", ah->stats.ast_ani_stepup); |
| len += scnprintf(buf + len, size - len, "%15s: %u\n", |
| "FIR-STEP DOWN", ah->stats.ast_ani_stepdown); |
| len += scnprintf(buf + len, size - len, "%15s: %u\n", |
| "INV LISTENTIME", ah->stats.ast_ani_lneg_or_lzero); |
| len += scnprintf(buf + len, size - len, "%15s: %u\n", |
| "OFDM ERRORS", ah->stats.ast_ani_ofdmerrs); |
| len += scnprintf(buf + len, size - len, "%15s: %u\n", |
| "CCK ERRORS", ah->stats.ast_ani_cckerrs); |
| 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 < 0 || ani > 1) |
| return -EINVAL; |
| |
| common->disable_ani = !ani; |
| |
| if (common->disable_ani) { |
| clear_bit(SC_OP_ANI_RUN, &sc->sc_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 CONFIG_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, size = 1024; |
| ssize_t retval = 0; |
| char *buf; |
| 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 ssize_t read_file_dma(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; |
| int retval; |
| unsigned int len = 0; |
| u32 val[ATH9K_NUM_DMA_DEBUG_REGS]; |
| int i, qcuOffset = 0, dcuOffset = 0; |
| u32 *qcuBase = &val[0], *dcuBase = &val[4]; |
| |
| buf = kmalloc(DMA_BUF_LEN, GFP_KERNEL); |
| if (!buf) |
| return -ENOMEM; |
| |
| 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))); |
| |
| len += scnprintf(buf + len, DMA_BUF_LEN - len, |
| "Raw DMA Debug values:\n"); |
| |
| for (i = 0; i < ATH9K_NUM_DMA_DEBUG_REGS; i++) { |
| if (i % 4 == 0) |
| len += scnprintf(buf + len, DMA_BUF_LEN - len, "\n"); |
| |
| val[i] = REG_READ_D(ah, AR_DMADBG_0 + (i * sizeof(u32))); |
| len += scnprintf(buf + len, DMA_BUF_LEN - len, "%d: %08x ", |
| i, val[i]); |
| } |
| |
| len += scnprintf(buf + len, DMA_BUF_LEN - len, "\n\n"); |
| len += scnprintf(buf + len, DMA_BUF_LEN - len, |
| "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++; |
| } |
| |
| len += scnprintf(buf + len, DMA_BUF_LEN - len, |
| "%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); |
| } |
| |
| len += scnprintf(buf + len, DMA_BUF_LEN - len, "\n"); |
| |
| len += scnprintf(buf + len, DMA_BUF_LEN - len, |
| "qcu_stitch state: %2x qcu_fetch state: %2x\n", |
| (val[3] & 0x003c0000) >> 18, (val[3] & 0x03c00000) >> 22); |
| len += scnprintf(buf + len, DMA_BUF_LEN - len, |
| "qcu_complete state: %2x dcu_complete state: %2x\n", |
| (val[3] & 0x1c000000) >> 26, (val[6] & 0x3)); |
| len += scnprintf(buf + len, DMA_BUF_LEN - len, |
| "dcu_arb state: %2x dcu_fp state: %2x\n", |
| (val[5] & 0x06000000) >> 25, (val[5] & 0x38000000) >> 27); |
| len += scnprintf(buf + len, DMA_BUF_LEN - len, |
| "chan_idle_dur: %3d chan_idle_dur_valid: %1d\n", |
| (val[6] & 0x000003fc) >> 2, (val[6] & 0x00000400) >> 10); |
| len += scnprintf(buf + len, DMA_BUF_LEN - len, |
| "txfifo_valid_0: %1d txfifo_valid_1: %1d\n", |
| (val[6] & 0x00000800) >> 11, (val[6] & 0x00001000) >> 12); |
| len += scnprintf(buf + len, DMA_BUF_LEN - len, |
| "txfifo_dcu_num_0: %2d txfifo_dcu_num_1: %2d\n", |
| (val[6] & 0x0001e000) >> 13, (val[6] & 0x001e0000) >> 17); |
| |
| len += scnprintf(buf + len, DMA_BUF_LEN - len, "pcu observe: 0x%x\n", |
| REG_READ_D(ah, AR_OBS_BUS_1)); |
| len += scnprintf(buf + len, DMA_BUF_LEN - len, |
| "AR_CR: 0x%x\n", REG_READ_D(ah, AR_CR)); |
| |
| ath9k_ps_restore(sc); |
| |
| if (len > DMA_BUF_LEN) |
| len = DMA_BUF_LEN; |
| |
| retval = simple_read_from_buffer(user_buf, count, ppos, buf, len); |
| kfree(buf); |
| return retval; |
| } |
| |
| static const struct file_operations fops_dma = { |
| .read = read_file_dma, |
| .open = simple_open, |
| .owner = THIS_MODULE, |
| .llseek = default_llseek, |
| }; |
| |
| |
| 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 ssize_t read_file_interrupt(struct file *file, char __user *user_buf, |
| size_t count, loff_t *ppos) |
| { |
| struct ath_softc *sc = file->private_data; |
| unsigned int len = 0; |
| int rv; |
| int mxlen = 4000; |
| char *buf = kmalloc(mxlen, GFP_KERNEL); |
| if (!buf) |
| return -ENOMEM; |
| |
| #define PR_IS(a, s) \ |
| do { \ |
| len += scnprintf(buf + len, mxlen - len, \ |
| "%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); |
| |
| len += scnprintf(buf + len, mxlen - len, |
| "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); |
| |
| if (len > mxlen) |
| len = mxlen; |
| |
| rv = simple_read_from_buffer(user_buf, count, ppos, buf, len); |
| kfree(buf); |
| return rv; |
| } |
| |
| static const struct file_operations fops_interrupt = { |
| .read = read_file_interrupt, |
| .open = simple_open, |
| .owner = THIS_MODULE, |
| .llseek = default_llseek, |
| }; |
| |
| static ssize_t read_file_xmit(struct file *file, char __user *user_buf, |
| size_t count, loff_t *ppos) |
| { |
| struct ath_softc *sc = file->private_data; |
| char *buf; |
| unsigned int len = 0, size = 2048; |
| ssize_t retval = 0; |
| |
| buf = kzalloc(size, GFP_KERNEL); |
| if (buf == NULL) |
| return -ENOMEM; |
| |
| len += sprintf(buf, "%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); |
| |
| if (len > size) |
| len = size; |
| |
| retval = simple_read_from_buffer(user_buf, count, ppos, buf, len); |
| kfree(buf); |
| |
| return retval; |
| } |
| |
| static ssize_t print_queue(struct ath_softc *sc, struct ath_txq *txq, |
| char *buf, ssize_t size) |
| { |
| ssize_t len = 0; |
| |
| ath_txq_lock(sc, txq); |
| |
| len += scnprintf(buf + len, size - len, "%s: %d ", |
| "qnum", txq->axq_qnum); |
| len += scnprintf(buf + len, size - len, "%s: %2d ", |
| "qdepth", txq->axq_depth); |
| len += scnprintf(buf + len, size - len, "%s: %2d ", |
| "ampdu-depth", txq->axq_ampdu_depth); |
| len += scnprintf(buf + len, size - len, "%s: %3d ", |
| "pending", txq->pending_frames); |
| len += scnprintf(buf + len, size - len, "%s: %d\n", |
| "stopped", txq->stopped); |
| |
| ath_txq_unlock(sc, txq); |
| return len; |
| } |
| |
| static ssize_t read_file_queues(struct file *file, char __user *user_buf, |
| size_t count, loff_t *ppos) |
| { |
| struct ath_softc *sc = file->private_data; |
| struct ath_txq *txq; |
| char *buf; |
| unsigned int len = 0, size = 1024; |
| ssize_t retval = 0; |
| int i; |
| char *qname[4] = {"VO", "VI", "BE", "BK"}; |
| |
| buf = kzalloc(size, GFP_KERNEL); |
| if (buf == NULL) |
| return -ENOMEM; |
| |
| for (i = 0; i < IEEE80211_NUM_ACS; i++) { |
| txq = sc->tx.txq_map[i]; |
| len += scnprintf(buf + len, size - len, "(%s): ", qname[i]); |
| len += print_queue(sc, txq, buf + len, size - len); |
| } |
| |
| len += scnprintf(buf + len, size - len, "(CAB): "); |
| len += print_queue(sc, sc->beacon.cabq, buf + len, size - len); |
| |
| if (len > size) |
| len = size; |
| |
| retval = simple_read_from_buffer(user_buf, count, ppos, buf, len); |
| kfree(buf); |
| |
| return retval; |
| } |
| |
| static ssize_t read_file_misc(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 ieee80211_hw *hw = sc->hw; |
| struct ath9k_vif_iter_data iter_data; |
| char buf[512]; |
| unsigned int len = 0; |
| ssize_t retval = 0; |
| unsigned int reg; |
| u32 rxfilter; |
| |
| len += scnprintf(buf + len, sizeof(buf) - len, |
| "BSSID: %pM\n", common->curbssid); |
| len += scnprintf(buf + len, sizeof(buf) - len, |
| "BSSID-MASK: %pM\n", common->bssidmask); |
| len += scnprintf(buf + len, sizeof(buf) - len, |
| "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); |
| |
| len += scnprintf(buf + len, sizeof(buf) - len, |
| "RXFILTER: 0x%x", rxfilter); |
| |
| if (rxfilter & ATH9K_RX_FILTER_UCAST) |
| len += scnprintf(buf + len, sizeof(buf) - len, " UCAST"); |
| if (rxfilter & ATH9K_RX_FILTER_MCAST) |
| len += scnprintf(buf + len, sizeof(buf) - len, " MCAST"); |
| if (rxfilter & ATH9K_RX_FILTER_BCAST) |
| len += scnprintf(buf + len, sizeof(buf) - len, " BCAST"); |
| if (rxfilter & ATH9K_RX_FILTER_CONTROL) |
| len += scnprintf(buf + len, sizeof(buf) - len, " CONTROL"); |
| if (rxfilter & ATH9K_RX_FILTER_BEACON) |
| len += scnprintf(buf + len, sizeof(buf) - len, " BEACON"); |
| if (rxfilter & ATH9K_RX_FILTER_PROM) |
| len += scnprintf(buf + len, sizeof(buf) - len, " PROM"); |
| if (rxfilter & ATH9K_RX_FILTER_PROBEREQ) |
| len += scnprintf(buf + len, sizeof(buf) - len, " PROBEREQ"); |
| if (rxfilter & ATH9K_RX_FILTER_PHYERR) |
| len += scnprintf(buf + len, sizeof(buf) - len, " PHYERR"); |
| if (rxfilter & ATH9K_RX_FILTER_MYBEACON) |
| len += scnprintf(buf + len, sizeof(buf) - len, " MYBEACON"); |
| if (rxfilter & ATH9K_RX_FILTER_COMP_BAR) |
| len += scnprintf(buf + len, sizeof(buf) - len, " COMP_BAR"); |
| if (rxfilter & ATH9K_RX_FILTER_PSPOLL) |
| len += scnprintf(buf + len, sizeof(buf) - len, " PSPOLL"); |
| if (rxfilter & ATH9K_RX_FILTER_PHYRADAR) |
| len += scnprintf(buf + len, sizeof(buf) - len, " PHYRADAR"); |
| if (rxfilter & ATH9K_RX_FILTER_MCAST_BCAST_ALL) |
| len += scnprintf(buf + len, sizeof(buf) - len, " MCAST_BCAST_ALL"); |
| if (rxfilter & ATH9K_RX_FILTER_CONTROL_WRAPPER) |
| len += scnprintf(buf + len, sizeof(buf) - len, " CONTROL_WRAPPER"); |
| |
| len += scnprintf(buf + len, sizeof(buf) - len, "\n"); |
| |
| reg = sc->sc_ah->imask; |
| |
| len += scnprintf(buf + len, sizeof(buf) - len, |
| "INTERRUPT-MASK: 0x%x", reg); |
| |
| if (reg & ATH9K_INT_SWBA) |
| len += scnprintf(buf + len, sizeof(buf) - len, " SWBA"); |
| if (reg & ATH9K_INT_BMISS) |
| len += scnprintf(buf + len, sizeof(buf) - len, " BMISS"); |
| if (reg & ATH9K_INT_CST) |
| len += scnprintf(buf + len, sizeof(buf) - len, " CST"); |
| if (reg & ATH9K_INT_RX) |
| len += scnprintf(buf + len, sizeof(buf) - len, " RX"); |
| if (reg & ATH9K_INT_RXHP) |
| len += scnprintf(buf + len, sizeof(buf) - len, " RXHP"); |
| if (reg & ATH9K_INT_RXLP) |
| len += scnprintf(buf + len, sizeof(buf) - len, " RXLP"); |
| if (reg & ATH9K_INT_BB_WATCHDOG) |
| len += scnprintf(buf + len, sizeof(buf) - len, " BB_WATCHDOG"); |
| |
| len += scnprintf(buf + len, sizeof(buf) - len, "\n"); |
| |
| ath9k_calculate_iter_data(hw, NULL, &iter_data); |
| |
| len += scnprintf(buf + len, sizeof(buf) - len, |
| "VIF-COUNTS: AP: %i STA: %i MESH: %i WDS: %i" |
| " ADHOC: %i TOTAL: %hi BEACON-VIF: %hi\n", |
| iter_data.naps, iter_data.nstations, iter_data.nmeshes, |
| iter_data.nwds, iter_data.nadhocs, |
| sc->nvifs, sc->nbcnvifs); |
| |
| if (len > sizeof(buf)) |
| len = sizeof(buf); |
| |
| retval = simple_read_from_buffer(user_buf, count, ppos, buf, len); |
| return retval; |
| } |
| |
| static ssize_t read_file_reset(struct file *file, char __user *user_buf, |
| size_t count, loff_t *ppos) |
| { |
| struct ath_softc *sc = file->private_data; |
| char buf[512]; |
| unsigned int len = 0; |
| |
| len += scnprintf(buf + len, sizeof(buf) - len, |
| "%17s: %2d\n", "Baseband Hang", |
| sc->debug.stats.reset[RESET_TYPE_BB_HANG]); |
| len += scnprintf(buf + len, sizeof(buf) - len, |
| "%17s: %2d\n", "Baseband Watchdog", |
| sc->debug.stats.reset[RESET_TYPE_BB_WATCHDOG]); |
| len += scnprintf(buf + len, sizeof(buf) - len, |
| "%17s: %2d\n", "Fatal HW Error", |
| sc->debug.stats.reset[RESET_TYPE_FATAL_INT]); |
| len += scnprintf(buf + len, sizeof(buf) - len, |
| "%17s: %2d\n", "TX HW error", |
| sc->debug.stats.reset[RESET_TYPE_TX_ERROR]); |
| len += scnprintf(buf + len, sizeof(buf) - len, |
| "%17s: %2d\n", "TX Path Hang", |
| sc->debug.stats.reset[RESET_TYPE_TX_HANG]); |
| len += scnprintf(buf + len, sizeof(buf) - len, |
| "%17s: %2d\n", "PLL RX Hang", |
| sc->debug.stats.reset[RESET_TYPE_PLL_HANG]); |
| len += scnprintf(buf + len, sizeof(buf) - len, |
| "%17s: %2d\n", "MCI Reset", |
| sc->debug.stats.reset[RESET_TYPE_MCI]); |
| |
| if (len > sizeof(buf)) |
| len = sizeof(buf); |
| |
| return simple_read_from_buffer(user_buf, count, ppos, buf, len); |
| } |
| |
| 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); |
| } |
| |
| static const struct file_operations fops_xmit = { |
| .read = read_file_xmit, |
| .open = simple_open, |
| .owner = THIS_MODULE, |
| .llseek = default_llseek, |
| }; |
| |
| static const struct file_operations fops_queues = { |
| .read = read_file_queues, |
| .open = simple_open, |
| .owner = THIS_MODULE, |
| .llseek = default_llseek, |
| }; |
| |
| static const struct file_operations fops_misc = { |
| .read = read_file_misc, |
| .open = simple_open, |
| .owner = THIS_MODULE, |
| .llseek = default_llseek, |
| }; |
| |
| static const struct file_operations fops_reset = { |
| .read = read_file_reset, |
| .open = simple_open, |
| .owner = THIS_MODULE, |
| .llseek = default_llseek, |
| }; |
| |
| static ssize_t read_file_recv(struct file *file, char __user *user_buf, |
| size_t count, loff_t *ppos) |
| { |
| #define PHY_ERR(s, p) \ |
| len += scnprintf(buf + len, size - len, "%22s : %10u\n", s, \ |
| sc->debug.stats.rxstats.phy_err_stats[p]); |
| |
| #define RXS_ERR(s, e) \ |
| do { \ |
| len += scnprintf(buf + len, size - len, \ |
| "%22s : %10u\n", s, \ |
| sc->debug.stats.rxstats.e);\ |
| } while (0) |
| |
| struct ath_softc *sc = file->private_data; |
| char *buf; |
| unsigned int len = 0, size = 1600; |
| ssize_t retval = 0; |
| |
| buf = kzalloc(size, GFP_KERNEL); |
| if (buf == NULL) |
| return -ENOMEM; |
| |
| RXS_ERR("CRC ERR", crc_err); |
| RXS_ERR("DECRYPT CRC ERR", decrypt_crc_err); |
| RXS_ERR("PHY ERR", phy_err); |
| RXS_ERR("MIC ERR", mic_err); |
| RXS_ERR("PRE-DELIM CRC ERR", pre_delim_crc_err); |
| RXS_ERR("POST-DELIM CRC ERR", post_delim_crc_err); |
| RXS_ERR("DECRYPT BUSY ERR", decrypt_busy_err); |
| RXS_ERR("RX-LENGTH-ERR", rx_len_err); |
| RXS_ERR("RX-OOM-ERR", rx_oom_err); |
| RXS_ERR("RX-RATE-ERR", rx_rate_err); |
| RXS_ERR("RX-TOO-MANY-FRAGS", rx_too_many_frags_err); |
| |
| PHY_ERR("UNDERRUN ERR", ATH9K_PHYERR_UNDERRUN); |
| PHY_ERR("TIMING ERR", ATH9K_PHYERR_TIMING); |
| PHY_ERR("PARITY ERR", ATH9K_PHYERR_PARITY); |
| PHY_ERR("RATE ERR", ATH9K_PHYERR_RATE); |
| PHY_ERR("LENGTH ERR", ATH9K_PHYERR_LENGTH); |
| PHY_ERR("RADAR ERR", ATH9K_PHYERR_RADAR); |
| PHY_ERR("SERVICE ERR", ATH9K_PHYERR_SERVICE); |
| PHY_ERR("TOR ERR", ATH9K_PHYERR_TOR); |
| PHY_ERR("OFDM-TIMING ERR", ATH9K_PHYERR_OFDM_TIMING); |
| PHY_ERR("OFDM-SIGNAL-PARITY ERR", ATH9K_PHYERR_OFDM_SIGNAL_PARITY); |
| PHY_ERR("OFDM-RATE ERR", ATH9K_PHYERR_OFDM_RATE_ILLEGAL); |
| PHY_ERR("OFDM-LENGTH ERR", ATH9K_PHYERR_OFDM_LENGTH_ILLEGAL); |
| PHY_ERR("OFDM-POWER-DROP ERR", ATH9K_PHYERR_OFDM_POWER_DROP); |
| PHY_ERR("OFDM-SERVICE ERR", ATH9K_PHYERR_OFDM_SERVICE); |
| PHY_ERR("OFDM-RESTART ERR", ATH9K_PHYERR_OFDM_RESTART); |
| PHY_ERR("FALSE-RADAR-EXT ERR", ATH9K_PHYERR_FALSE_RADAR_EXT); |
| PHY_ERR("CCK-TIMING ERR", ATH9K_PHYERR_CCK_TIMING); |
| PHY_ERR("CCK-HEADER-CRC ERR", ATH9K_PHYERR_CCK_HEADER_CRC); |
| PHY_ERR("CCK-RATE ERR", ATH9K_PHYERR_CCK_RATE_ILLEGAL); |
| PHY_ERR("CCK-SERVICE ERR", ATH9K_PHYERR_CCK_SERVICE); |
| PHY_ERR("CCK-RESTART ERR", ATH9K_PHYERR_CCK_RESTART); |
| PHY_ERR("CCK-LENGTH ERR", ATH9K_PHYERR_CCK_LENGTH_ILLEGAL); |
| PHY_ERR("CCK-POWER-DROP ERR", ATH9K_PHYERR_CCK_POWER_DROP); |
| PHY_ERR("HT-CRC ERR", ATH9K_PHYERR_HT_CRC_ERROR); |
| PHY_ERR("HT-LENGTH ERR", ATH9K_PHYERR_HT_LENGTH_ILLEGAL); |
| PHY_ERR("HT-RATE ERR", ATH9K_PHYERR_HT_RATE_ILLEGAL); |
| |
| RXS_ERR("RX-Pkts-All", rx_pkts_all); |
| RXS_ERR("RX-Bytes-All", rx_bytes_all); |
| RXS_ERR("RX-Beacons", rx_beacons); |
| RXS_ERR("RX-Frags", rx_frags); |
| RXS_ERR("RX-Spectral", rx_spectral); |
| |
| if (len > size) |
| len = size; |
| |
| retval = simple_read_from_buffer(user_buf, count, ppos, buf, len); |
| kfree(buf); |
| |
| return retval; |
| |
| #undef RXS_ERR |
| #undef PHY_ERR |
| } |
| |
| void ath_debug_stat_rx(struct ath_softc *sc, struct ath_rx_status *rs) |
| { |
| #define RX_PHY_ERR_INC(c) sc->debug.stats.rxstats.phy_err_stats[c]++ |
| |
| RX_STAT_INC(rx_pkts_all); |
| sc->debug.stats.rxstats.rx_bytes_all += rs->rs_datalen; |
| |
| if (rs->rs_status & ATH9K_RXERR_CRC) |
| RX_STAT_INC(crc_err); |
| if (rs->rs_status & ATH9K_RXERR_DECRYPT) |
| RX_STAT_INC(decrypt_crc_err); |
| if (rs->rs_status & ATH9K_RXERR_MIC) |
| RX_STAT_INC(mic_err); |
| if (rs->rs_status & ATH9K_RX_DELIM_CRC_PRE) |
| RX_STAT_INC(pre_delim_crc_err); |
| if (rs->rs_status & ATH9K_RX_DELIM_CRC_POST) |
| RX_STAT_INC(post_delim_crc_err); |
| if (rs->rs_status & ATH9K_RX_DECRYPT_BUSY) |
| RX_STAT_INC(decrypt_busy_err); |
| |
| if (rs->rs_status & ATH9K_RXERR_PHY) { |
| RX_STAT_INC(phy_err); |
| if (rs->rs_phyerr < ATH9K_PHYERR_MAX) |
| RX_PHY_ERR_INC(rs->rs_phyerr); |
| } |
| |
| #undef RX_PHY_ERR_INC |
| } |
| |
| static const struct file_operations fops_recv = { |
| .read = read_file_recv, |
| .open = simple_open, |
| .owner = THIS_MODULE, |
| .llseek = default_llseek, |
| }; |
| |
| 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 ssize_t read_file_dump_nfcal(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_nfcal_hist *h = sc->caldata.nfCalHist; |
| struct ath_common *common = ath9k_hw_common(ah); |
| struct ieee80211_conf *conf = &common->hw->conf; |
| u32 len = 0, size = 1500; |
| u32 i, j; |
| ssize_t retval = 0; |
| char *buf; |
| u8 chainmask = (ah->rxchainmask << 3) | ah->rxchainmask; |
| u8 nread; |
| |
| buf = kzalloc(size, GFP_KERNEL); |
| if (!buf) |
| return -ENOMEM; |
| |
| len += scnprintf(buf + len, size - len, |
| "Channel Noise Floor : %d\n", ah->noise); |
| len += scnprintf(buf + len, size - len, |
| "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; |
| len += scnprintf(buf + len, size - len, " %d\t %d\t %d\t\t", |
| i, h[i].privNF, nread); |
| for (j = 0; j < nread; j++) |
| len += scnprintf(buf + len, size - len, |
| " %d", h[i].nfCalBuffer[j]); |
| len += scnprintf(buf + len, size - len, "\n"); |
| } |
| |
| 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_dump_nfcal = { |
| .read = read_file_dump_nfcal, |
| .open = simple_open, |
| .owner = THIS_MODULE, |
| .llseek = default_llseek, |
| }; |
| |
| static ssize_t read_file_base_eeprom(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; |
| u32 len = 0, size = 1500; |
| ssize_t retval = 0; |
| char *buf; |
| |
| buf = kzalloc(size, GFP_KERNEL); |
| if (!buf) |
| return -ENOMEM; |
| |
| len = ah->eep_ops->dump_eeprom(ah, true, buf, len, size); |
| |
| retval = simple_read_from_buffer(user_buf, count, ppos, buf, len); |
| kfree(buf); |
| |
| return retval; |
| } |
| |
| static const struct file_operations fops_base_eeprom = { |
| .read = read_file_base_eeprom, |
| .open = simple_open, |
| .owner = THIS_MODULE, |
| .llseek = default_llseek, |
| }; |
| |
| static ssize_t read_file_modal_eeprom(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; |
| u32 len = 0, size = 6000; |
| char *buf; |
| size_t retval; |
| |
| buf = kzalloc(size, GFP_KERNEL); |
| if (buf == NULL) |
| return -ENOMEM; |
| |
| len = ah->eep_ops->dump_eeprom(ah, false, buf, len, size); |
| |
| retval = simple_read_from_buffer(user_buf, count, ppos, buf, len); |
| kfree(buf); |
| |
| return retval; |
| } |
| |
| static const struct file_operations fops_modal_eeprom = { |
| .read = read_file_modal_eeprom, |
| .open = simple_open, |
| .owner = THIS_MODULE, |
| .llseek = default_llseek, |
| }; |
| |
| #ifdef CONFIG_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 |
| |
| static ssize_t read_file_node_stat(struct file *file, char __user *user_buf, |
| size_t count, loff_t *ppos) |
| { |
| struct ath_node *an = file->private_data; |
| struct ath_softc *sc = an->sc; |
| struct ath_atx_tid *tid; |
| struct ath_atx_ac *ac; |
| struct ath_txq *txq; |
| u32 len = 0, size = 4096; |
| char *buf; |
| size_t retval; |
| int tidno, acno; |
| |
| buf = kzalloc(size, GFP_KERNEL); |
| if (buf == NULL) |
| return -ENOMEM; |
| |
| if (!an->sta->ht_cap.ht_supported) { |
| len = scnprintf(buf, size, "%s\n", |
| "HT not supported"); |
| goto exit; |
| } |
| |
| len = scnprintf(buf, size, "Max-AMPDU: %d\n", |
| an->maxampdu); |
| len += scnprintf(buf + len, size - len, "MPDU Density: %d\n\n", |
| an->mpdudensity); |
| |
| len += scnprintf(buf + len, size - len, |
| "%2s%7s\n", "AC", "SCHED"); |
| |
| for (acno = 0, ac = &an->ac[acno]; |
| acno < IEEE80211_NUM_ACS; acno++, ac++) { |
| txq = ac->txq; |
| ath_txq_lock(sc, txq); |
| len += scnprintf(buf + len, size - len, |
| "%2d%7d\n", |
| acno, ac->sched); |
| ath_txq_unlock(sc, txq); |
| } |
| |
| len += scnprintf(buf + len, size - len, |
| "\n%3s%11s%10s%10s%10s%10s%9s%6s%8s\n", |
| "TID", "SEQ_START", "SEQ_NEXT", "BAW_SIZE", |
| "BAW_HEAD", "BAW_TAIL", "BAR_IDX", "SCHED", "PAUSED"); |
| |
| for (tidno = 0, tid = &an->tid[tidno]; |
| tidno < IEEE80211_NUM_TIDS; tidno++, tid++) { |
| txq = tid->ac->txq; |
| ath_txq_lock(sc, txq); |
| len += scnprintf(buf + len, size - len, |
| "%3d%11d%10d%10d%10d%10d%9d%6d%8d\n", |
| tid->tidno, tid->seq_start, tid->seq_next, |
| tid->baw_size, tid->baw_head, tid->baw_tail, |
| tid->bar_index, tid->sched, tid->paused); |
| ath_txq_unlock(sc, txq); |
| } |
| exit: |
| retval = simple_read_from_buffer(user_buf, count, ppos, buf, len); |
| kfree(buf); |
| |
| return retval; |
| } |
| |
| static const struct file_operations fops_node_stat = { |
| .read = read_file_node_stat, |
| .open = simple_open, |
| .owner = THIS_MODULE, |
| .llseek = default_llseek, |
| }; |
| |
| void ath9k_sta_add_debugfs(struct ieee80211_hw *hw, |
| struct ieee80211_vif *vif, |
| struct ieee80211_sta *sta, |
| struct dentry *dir) |
| { |
| struct ath_node *an = (struct ath_node *)sta->drv_priv; |
| debugfs_create_file("node_stat", S_IRUGO, dir, an, &fops_node_stat); |
| } |
| |
| /* 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_spectral_deinit_debug(sc); |
| } |
| |
| 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 CONFIG_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_spectral_init_debug(sc); |
| |
| debugfs_create_file("dma", S_IRUSR, sc->debug.debugfs_phy, sc, |
| &fops_dma); |
| debugfs_create_file("interrupt", S_IRUSR, sc->debug.debugfs_phy, sc, |
| &fops_interrupt); |
| debugfs_create_file("xmit", S_IRUSR, sc->debug.debugfs_phy, sc, |
| &fops_xmit); |
| debugfs_create_file("queues", S_IRUSR, sc->debug.debugfs_phy, sc, |
| &fops_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_file("misc", S_IRUSR, sc->debug.debugfs_phy, sc, |
| &fops_misc); |
| debugfs_create_file("reset", S_IRUSR, sc->debug.debugfs_phy, sc, |
| &fops_reset); |
| debugfs_create_file("recv", S_IRUSR, sc->debug.debugfs_phy, sc, |
| &fops_recv); |
| 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_file("dump_nfcal", S_IRUSR, sc->debug.debugfs_phy, sc, |
| &fops_dump_nfcal); |
| debugfs_create_file("base_eeprom", S_IRUSR, sc->debug.debugfs_phy, sc, |
| &fops_base_eeprom); |
| debugfs_create_file("modal_eeprom", S_IRUSR, sc->debug.debugfs_phy, sc, |
| &fops_modal_eeprom); |
| 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 CONFIG_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 |
| |
| return 0; |
| } |