| /* |
| * Copyright (c) 2008-2009 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 <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 struct dentry *ath9k_debugfs_root; |
| |
| static int ath9k_debugfs_open(struct inode *inode, struct file *file) |
| { |
| file->private_data = inode->i_private; |
| 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 = snprintf(buf, sizeof(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 -EINVAL; |
| |
| buf[len] = '\0'; |
| if (strict_strtoul(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 = ath9k_debugfs_open, |
| .owner = THIS_MODULE |
| }; |
| |
| #endif |
| |
| #define DMA_BUF_LEN 1024 |
| |
| 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 0; |
| |
| 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 += snprintf(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 += snprintf(buf + len, DMA_BUF_LEN - len, "\n"); |
| |
| val[i] = REG_READ_D(ah, AR_DMADBG_0 + (i * sizeof(u32))); |
| len += snprintf(buf + len, DMA_BUF_LEN - len, "%d: %08x ", |
| i, val[i]); |
| } |
| |
| len += snprintf(buf + len, DMA_BUF_LEN - len, "\n\n"); |
| len += snprintf(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 += snprintf(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 += snprintf(buf + len, DMA_BUF_LEN - len, "\n"); |
| |
| len += snprintf(buf + len, DMA_BUF_LEN - len, |
| "qcu_stitch state: %2x qcu_fetch state: %2x\n", |
| (val[3] & 0x003c0000) >> 18, (val[3] & 0x03c00000) >> 22); |
| len += snprintf(buf + len, DMA_BUF_LEN - len, |
| "qcu_complete state: %2x dcu_complete state: %2x\n", |
| (val[3] & 0x1c000000) >> 26, (val[6] & 0x3)); |
| len += snprintf(buf + len, DMA_BUF_LEN - len, |
| "dcu_arb state: %2x dcu_fp state: %2x\n", |
| (val[5] & 0x06000000) >> 25, (val[5] & 0x38000000) >> 27); |
| len += snprintf(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 += snprintf(buf + len, DMA_BUF_LEN - len, |
| "txfifo_valid_0: %1d txfifo_valid_1: %1d\n", |
| (val[6] & 0x00000800) >> 11, (val[6] & 0x00001000) >> 12); |
| len += snprintf(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 += snprintf(buf + len, DMA_BUF_LEN - len, "pcu observe: 0x%x \n", |
| REG_READ_D(ah, AR_OBS_BUS_1)); |
| len += snprintf(buf + len, DMA_BUF_LEN - len, |
| "AR_CR: 0x%x \n", REG_READ_D(ah, AR_CR)); |
| |
| ath9k_ps_restore(sc); |
| |
| 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 = ath9k_debugfs_open, |
| .owner = THIS_MODULE |
| }; |
| |
| |
| void ath_debug_stat_interrupt(struct ath_softc *sc, enum ath9k_int status) |
| { |
| if (status) |
| sc->debug.stats.istats.total++; |
| 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_MIB) |
| sc->debug.stats.istats.mib++; |
| 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++; |
| } |
| |
| 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; |
| char buf[512]; |
| unsigned int len = 0; |
| |
| len += snprintf(buf + len, sizeof(buf) - len, |
| "%8s: %10u\n", "RX", sc->debug.stats.istats.rxok); |
| len += snprintf(buf + len, sizeof(buf) - len, |
| "%8s: %10u\n", "RXEOL", sc->debug.stats.istats.rxeol); |
| len += snprintf(buf + len, sizeof(buf) - len, |
| "%8s: %10u\n", "RXORN", sc->debug.stats.istats.rxorn); |
| len += snprintf(buf + len, sizeof(buf) - len, |
| "%8s: %10u\n", "TX", sc->debug.stats.istats.txok); |
| len += snprintf(buf + len, sizeof(buf) - len, |
| "%8s: %10u\n", "TXURN", sc->debug.stats.istats.txurn); |
| len += snprintf(buf + len, sizeof(buf) - len, |
| "%8s: %10u\n", "MIB", sc->debug.stats.istats.mib); |
| len += snprintf(buf + len, sizeof(buf) - len, |
| "%8s: %10u\n", "RXPHY", sc->debug.stats.istats.rxphyerr); |
| len += snprintf(buf + len, sizeof(buf) - len, |
| "%8s: %10u\n", "RXKCM", sc->debug.stats.istats.rx_keycache_miss); |
| len += snprintf(buf + len, sizeof(buf) - len, |
| "%8s: %10u\n", "SWBA", sc->debug.stats.istats.swba); |
| len += snprintf(buf + len, sizeof(buf) - len, |
| "%8s: %10u\n", "BMISS", sc->debug.stats.istats.bmiss); |
| len += snprintf(buf + len, sizeof(buf) - len, |
| "%8s: %10u\n", "BNR", sc->debug.stats.istats.bnr); |
| len += snprintf(buf + len, sizeof(buf) - len, |
| "%8s: %10u\n", "CST", sc->debug.stats.istats.cst); |
| len += snprintf(buf + len, sizeof(buf) - len, |
| "%8s: %10u\n", "GTT", sc->debug.stats.istats.gtt); |
| len += snprintf(buf + len, sizeof(buf) - len, |
| "%8s: %10u\n", "TIM", sc->debug.stats.istats.tim); |
| len += snprintf(buf + len, sizeof(buf) - len, |
| "%8s: %10u\n", "CABEND", sc->debug.stats.istats.cabend); |
| len += snprintf(buf + len, sizeof(buf) - len, |
| "%8s: %10u\n", "DTIMSYNC", sc->debug.stats.istats.dtimsync); |
| len += snprintf(buf + len, sizeof(buf) - len, |
| "%8s: %10u\n", "DTIM", sc->debug.stats.istats.dtim); |
| len += snprintf(buf + len, sizeof(buf) - len, |
| "%8s: %10u\n", "TOTAL", sc->debug.stats.istats.total); |
| |
| return simple_read_from_buffer(user_buf, count, ppos, buf, len); |
| } |
| |
| static const struct file_operations fops_interrupt = { |
| .read = read_file_interrupt, |
| .open = ath9k_debugfs_open, |
| .owner = THIS_MODULE |
| }; |
| |
| void ath_debug_stat_rc(struct ath_softc *sc, int final_rate) |
| { |
| struct ath_rc_stats *stats; |
| |
| stats = &sc->debug.stats.rcstats[final_rate]; |
| stats->success++; |
| } |
| |
| void ath_debug_stat_retries(struct ath_softc *sc, int rix, |
| int xretries, int retries, u8 per) |
| { |
| struct ath_rc_stats *stats = &sc->debug.stats.rcstats[rix]; |
| |
| stats->xretries += xretries; |
| stats->retries += retries; |
| stats->per = per; |
| } |
| |
| static ssize_t read_file_rcstat(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, max; |
| int i = 0; |
| ssize_t retval; |
| |
| if (sc->cur_rate_table == NULL) |
| return 0; |
| |
| max = 80 + sc->cur_rate_table->rate_cnt * 1024; |
| buf = kmalloc(max + 1, GFP_KERNEL); |
| if (buf == NULL) |
| return 0; |
| buf[max] = 0; |
| |
| len += sprintf(buf, "%6s %6s %6s " |
| "%10s %10s %10s %10s\n", |
| "HT", "MCS", "Rate", |
| "Success", "Retries", "XRetries", "PER"); |
| |
| for (i = 0; i < sc->cur_rate_table->rate_cnt; i++) { |
| u32 ratekbps = sc->cur_rate_table->info[i].ratekbps; |
| struct ath_rc_stats *stats = &sc->debug.stats.rcstats[i]; |
| char mcs[5]; |
| char htmode[5]; |
| int used_mcs = 0, used_htmode = 0; |
| |
| if (WLAN_RC_PHY_HT(sc->cur_rate_table->info[i].phy)) { |
| used_mcs = snprintf(mcs, 5, "%d", |
| sc->cur_rate_table->info[i].ratecode); |
| |
| if (WLAN_RC_PHY_40(sc->cur_rate_table->info[i].phy)) |
| used_htmode = snprintf(htmode, 5, "HT40"); |
| else if (WLAN_RC_PHY_20(sc->cur_rate_table->info[i].phy)) |
| used_htmode = snprintf(htmode, 5, "HT20"); |
| else |
| used_htmode = snprintf(htmode, 5, "????"); |
| } |
| |
| mcs[used_mcs] = '\0'; |
| htmode[used_htmode] = '\0'; |
| |
| len += snprintf(buf + len, max - len, |
| "%6s %6s %3u.%d: " |
| "%10u %10u %10u %10u\n", |
| htmode, |
| mcs, |
| ratekbps / 1000, |
| (ratekbps % 1000) / 100, |
| stats->success, |
| stats->retries, |
| stats->xretries, |
| stats->per); |
| } |
| |
| retval = simple_read_from_buffer(user_buf, count, ppos, buf, len); |
| kfree(buf); |
| return retval; |
| } |
| |
| static const struct file_operations fops_rcstat = { |
| .read = read_file_rcstat, |
| .open = ath9k_debugfs_open, |
| .owner = THIS_MODULE |
| }; |
| |
| static const char * ath_wiphy_state_str(enum ath_wiphy_state state) |
| { |
| switch (state) { |
| case ATH_WIPHY_INACTIVE: |
| return "INACTIVE"; |
| case ATH_WIPHY_ACTIVE: |
| return "ACTIVE"; |
| case ATH_WIPHY_PAUSING: |
| return "PAUSING"; |
| case ATH_WIPHY_PAUSED: |
| return "PAUSED"; |
| case ATH_WIPHY_SCAN: |
| return "SCAN"; |
| } |
| return "?"; |
| } |
| |
| static ssize_t read_file_wiphy(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; |
| int i; |
| u8 addr[ETH_ALEN]; |
| |
| len += snprintf(buf + len, sizeof(buf) - len, |
| "primary: %s (%s chan=%d ht=%d)\n", |
| wiphy_name(sc->pri_wiphy->hw->wiphy), |
| ath_wiphy_state_str(sc->pri_wiphy->state), |
| sc->pri_wiphy->chan_idx, sc->pri_wiphy->chan_is_ht); |
| for (i = 0; i < sc->num_sec_wiphy; i++) { |
| struct ath_wiphy *aphy = sc->sec_wiphy[i]; |
| if (aphy == NULL) |
| continue; |
| len += snprintf(buf + len, sizeof(buf) - len, |
| "secondary: %s (%s chan=%d ht=%d)\n", |
| wiphy_name(aphy->hw->wiphy), |
| ath_wiphy_state_str(aphy->state), |
| aphy->chan_idx, aphy->chan_is_ht); |
| } |
| |
| put_unaligned_le32(REG_READ_D(sc->sc_ah, AR_STA_ID0), addr); |
| put_unaligned_le16(REG_READ_D(sc->sc_ah, AR_STA_ID1) & 0xffff, addr + 4); |
| len += snprintf(buf + len, sizeof(buf) - len, |
| "addr: %pM\n", addr); |
| put_unaligned_le32(REG_READ_D(sc->sc_ah, AR_BSSMSKL), addr); |
| put_unaligned_le16(REG_READ_D(sc->sc_ah, AR_BSSMSKU) & 0xffff, addr + 4); |
| len += snprintf(buf + len, sizeof(buf) - len, |
| "addrmask: %pM\n", addr); |
| |
| return simple_read_from_buffer(user_buf, count, ppos, buf, len); |
| } |
| |
| static struct ath_wiphy * get_wiphy(struct ath_softc *sc, const char *name) |
| { |
| int i; |
| if (strcmp(name, wiphy_name(sc->pri_wiphy->hw->wiphy)) == 0) |
| return sc->pri_wiphy; |
| for (i = 0; i < sc->num_sec_wiphy; i++) { |
| struct ath_wiphy *aphy = sc->sec_wiphy[i]; |
| if (aphy && strcmp(name, wiphy_name(aphy->hw->wiphy)) == 0) |
| return aphy; |
| } |
| return NULL; |
| } |
| |
| static int del_wiphy(struct ath_softc *sc, const char *name) |
| { |
| struct ath_wiphy *aphy = get_wiphy(sc, name); |
| if (!aphy) |
| return -ENOENT; |
| return ath9k_wiphy_del(aphy); |
| } |
| |
| static int pause_wiphy(struct ath_softc *sc, const char *name) |
| { |
| struct ath_wiphy *aphy = get_wiphy(sc, name); |
| if (!aphy) |
| return -ENOENT; |
| return ath9k_wiphy_pause(aphy); |
| } |
| |
| static int unpause_wiphy(struct ath_softc *sc, const char *name) |
| { |
| struct ath_wiphy *aphy = get_wiphy(sc, name); |
| if (!aphy) |
| return -ENOENT; |
| return ath9k_wiphy_unpause(aphy); |
| } |
| |
| static int select_wiphy(struct ath_softc *sc, const char *name) |
| { |
| struct ath_wiphy *aphy = get_wiphy(sc, name); |
| if (!aphy) |
| return -ENOENT; |
| return ath9k_wiphy_select(aphy); |
| } |
| |
| static int schedule_wiphy(struct ath_softc *sc, const char *msec) |
| { |
| ath9k_wiphy_set_scheduler(sc, simple_strtoul(msec, NULL, 0)); |
| return 0; |
| } |
| |
| static ssize_t write_file_wiphy(struct file *file, const char __user *user_buf, |
| size_t count, loff_t *ppos) |
| { |
| struct ath_softc *sc = file->private_data; |
| char buf[50]; |
| size_t len; |
| |
| len = min(count, sizeof(buf) - 1); |
| if (copy_from_user(buf, user_buf, len)) |
| return -EFAULT; |
| buf[len] = '\0'; |
| if (len > 0 && buf[len - 1] == '\n') |
| buf[len - 1] = '\0'; |
| |
| if (strncmp(buf, "add", 3) == 0) { |
| int res = ath9k_wiphy_add(sc); |
| if (res < 0) |
| return res; |
| } else if (strncmp(buf, "del=", 4) == 0) { |
| int res = del_wiphy(sc, buf + 4); |
| if (res < 0) |
| return res; |
| } else if (strncmp(buf, "pause=", 6) == 0) { |
| int res = pause_wiphy(sc, buf + 6); |
| if (res < 0) |
| return res; |
| } else if (strncmp(buf, "unpause=", 8) == 0) { |
| int res = unpause_wiphy(sc, buf + 8); |
| if (res < 0) |
| return res; |
| } else if (strncmp(buf, "select=", 7) == 0) { |
| int res = select_wiphy(sc, buf + 7); |
| if (res < 0) |
| return res; |
| } else if (strncmp(buf, "schedule=", 9) == 0) { |
| int res = schedule_wiphy(sc, buf + 9); |
| if (res < 0) |
| return res; |
| } else |
| return -EOPNOTSUPP; |
| |
| return count; |
| } |
| |
| static const struct file_operations fops_wiphy = { |
| .read = read_file_wiphy, |
| .write = write_file_wiphy, |
| .open = ath9k_debugfs_open, |
| .owner = THIS_MODULE |
| }; |
| |
| #define PR(str, elem) \ |
| do { \ |
| len += snprintf(buf + len, size - len, \ |
| "%s%13u%11u%10u%10u\n", str, \ |
| sc->debug.stats.txstats[sc->tx.hwq_map[ATH9K_WME_AC_BE]].elem, \ |
| sc->debug.stats.txstats[sc->tx.hwq_map[ATH9K_WME_AC_BK]].elem, \ |
| sc->debug.stats.txstats[sc->tx.hwq_map[ATH9K_WME_AC_VI]].elem, \ |
| sc->debug.stats.txstats[sc->tx.hwq_map[ATH9K_WME_AC_VO]].elem); \ |
| } while(0) |
| |
| 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 0; |
| |
| len += sprintf(buf, "%30s %10s%10s%10s\n\n", "BE", "BK", "VI", "VO"); |
| |
| PR("MPDUs Queued: ", queued); |
| PR("MPDUs Completed: ", completed); |
| PR("Aggregates: ", a_aggr); |
| PR("AMPDUs Queued: ", a_queued); |
| PR("AMPDUs Completed:", a_completed); |
| PR("AMPDUs Retried: ", a_retries); |
| PR("AMPDUs XRetried: ", a_xretries); |
| 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); |
| |
| retval = simple_read_from_buffer(user_buf, count, ppos, buf, len); |
| kfree(buf); |
| |
| return retval; |
| } |
| |
| void ath_debug_stat_tx(struct ath_softc *sc, struct ath_txq *txq, |
| struct ath_buf *bf, struct ath_tx_status *ts) |
| { |
| if (bf_isampdu(bf)) { |
| if (bf_isxretried(bf)) |
| TX_STAT_INC(txq->axq_qnum, a_xretries); |
| else |
| TX_STAT_INC(txq->axq_qnum, a_completed); |
| } else { |
| TX_STAT_INC(txq->axq_qnum, completed); |
| } |
| |
| if (ts->ts_status & ATH9K_TXERR_FIFO) |
| TX_STAT_INC(txq->axq_qnum, fifo_underrun); |
| if (ts->ts_status & ATH9K_TXERR_XTXOP) |
| TX_STAT_INC(txq->axq_qnum, xtxop); |
| if (ts->ts_status & ATH9K_TXERR_TIMER_EXPIRED) |
| TX_STAT_INC(txq->axq_qnum, timer_exp); |
| if (ts->ts_flags & ATH9K_TX_DESC_CFG_ERR) |
| TX_STAT_INC(txq->axq_qnum, desc_cfg_err); |
| if (ts->ts_flags & ATH9K_TX_DATA_UNDERRUN) |
| TX_STAT_INC(txq->axq_qnum, data_underrun); |
| if (ts->ts_flags & ATH9K_TX_DELIM_UNDERRUN) |
| TX_STAT_INC(txq->axq_qnum, delim_underrun); |
| } |
| |
| static const struct file_operations fops_xmit = { |
| .read = read_file_xmit, |
| .open = ath9k_debugfs_open, |
| .owner = THIS_MODULE |
| }; |
| |
| 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 += snprintf(buf + len, size - len, "%18s : %10u\n", s, \ |
| sc->debug.stats.rxstats.phy_err_stats[p]); |
| |
| struct ath_softc *sc = file->private_data; |
| char *buf; |
| unsigned int len = 0, size = 1152; |
| ssize_t retval = 0; |
| |
| buf = kzalloc(size, GFP_KERNEL); |
| if (buf == NULL) |
| return 0; |
| |
| len += snprintf(buf + len, size - len, |
| "%18s : %10u\n", "CRC ERR", |
| sc->debug.stats.rxstats.crc_err); |
| len += snprintf(buf + len, size - len, |
| "%18s : %10u\n", "DECRYPT CRC ERR", |
| sc->debug.stats.rxstats.decrypt_crc_err); |
| len += snprintf(buf + len, size - len, |
| "%18s : %10u\n", "PHY ERR", |
| sc->debug.stats.rxstats.phy_err); |
| len += snprintf(buf + len, size - len, |
| "%18s : %10u\n", "MIC ERR", |
| sc->debug.stats.rxstats.mic_err); |
| len += snprintf(buf + len, size - len, |
| "%18s : %10u\n", "PRE-DELIM CRC ERR", |
| sc->debug.stats.rxstats.pre_delim_crc_err); |
| len += snprintf(buf + len, size - len, |
| "%18s : %10u\n", "POST-DELIM CRC ERR", |
| sc->debug.stats.rxstats.post_delim_crc_err); |
| len += snprintf(buf + len, size - len, |
| "%18s : %10u\n", "DECRYPT BUSY ERR", |
| sc->debug.stats.rxstats.decrypt_busy_err); |
| |
| PHY_ERR("UNDERRUN", ATH9K_PHYERR_UNDERRUN); |
| PHY_ERR("TIMING", ATH9K_PHYERR_TIMING); |
| PHY_ERR("PARITY", ATH9K_PHYERR_PARITY); |
| PHY_ERR("RATE", ATH9K_PHYERR_RATE); |
| PHY_ERR("LENGTH", ATH9K_PHYERR_LENGTH); |
| PHY_ERR("RADAR", ATH9K_PHYERR_RADAR); |
| PHY_ERR("SERVICE", ATH9K_PHYERR_SERVICE); |
| PHY_ERR("TOR", ATH9K_PHYERR_TOR); |
| PHY_ERR("OFDM-TIMING", ATH9K_PHYERR_OFDM_TIMING); |
| PHY_ERR("OFDM-SIGNAL-PARITY", ATH9K_PHYERR_OFDM_SIGNAL_PARITY); |
| PHY_ERR("OFDM-RATE", ATH9K_PHYERR_OFDM_RATE_ILLEGAL); |
| PHY_ERR("OFDM-LENGTH", ATH9K_PHYERR_OFDM_LENGTH_ILLEGAL); |
| PHY_ERR("OFDM-POWER-DROP", ATH9K_PHYERR_OFDM_POWER_DROP); |
| PHY_ERR("OFDM-SERVICE", ATH9K_PHYERR_OFDM_SERVICE); |
| PHY_ERR("OFDM-RESTART", ATH9K_PHYERR_OFDM_RESTART); |
| PHY_ERR("FALSE-RADAR-EXT", ATH9K_PHYERR_FALSE_RADAR_EXT); |
| PHY_ERR("CCK-TIMING", ATH9K_PHYERR_CCK_TIMING); |
| PHY_ERR("CCK-HEADER-CRC", ATH9K_PHYERR_CCK_HEADER_CRC); |
| PHY_ERR("CCK-RATE", ATH9K_PHYERR_CCK_RATE_ILLEGAL); |
| PHY_ERR("CCK-SERVICE", ATH9K_PHYERR_CCK_SERVICE); |
| PHY_ERR("CCK-RESTART", ATH9K_PHYERR_CCK_RESTART); |
| PHY_ERR("CCK-LENGTH", ATH9K_PHYERR_CCK_LENGTH_ILLEGAL); |
| PHY_ERR("CCK-POWER-DROP", ATH9K_PHYERR_CCK_POWER_DROP); |
| PHY_ERR("HT-CRC", ATH9K_PHYERR_HT_CRC_ERROR); |
| PHY_ERR("HT-LENGTH", ATH9K_PHYERR_HT_LENGTH_ILLEGAL); |
| PHY_ERR("HT-RATE", ATH9K_PHYERR_HT_RATE_ILLEGAL); |
| |
| retval = simple_read_from_buffer(user_buf, count, ppos, buf, len); |
| kfree(buf); |
| |
| return retval; |
| |
| #undef PHY_ERR |
| } |
| |
| void ath_debug_stat_rx(struct ath_softc *sc, struct ath_rx_status *rs) |
| { |
| #define RX_STAT_INC(c) sc->debug.stats.rxstats.c++ |
| #define RX_PHY_ERR_INC(c) sc->debug.stats.rxstats.phy_err_stats[c]++ |
| |
| u32 phyerr; |
| |
| 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); |
| phyerr = rs->rs_phyerr & 0x24; |
| RX_PHY_ERR_INC(phyerr); |
| } |
| |
| #undef RX_STAT_INC |
| #undef RX_PHY_ERR_INC |
| } |
| |
| static const struct file_operations fops_recv = { |
| .read = read_file_recv, |
| .open = ath9k_debugfs_open, |
| .owner = THIS_MODULE |
| }; |
| |
| 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; |
| |
| if (!ath9k_debugfs_root) |
| return -ENOENT; |
| |
| sc->debug.debugfs_phy = debugfs_create_dir(wiphy_name(sc->hw->wiphy), |
| ath9k_debugfs_root); |
| if (!sc->debug.debugfs_phy) |
| goto err; |
| |
| #ifdef CONFIG_ATH_DEBUG |
| sc->debug.debugfs_debug = debugfs_create_file("debug", |
| S_IRUSR | S_IWUSR, sc->debug.debugfs_phy, sc, &fops_debug); |
| if (!sc->debug.debugfs_debug) |
| goto err; |
| #endif |
| |
| sc->debug.debugfs_dma = debugfs_create_file("dma", S_IRUSR, |
| sc->debug.debugfs_phy, sc, &fops_dma); |
| if (!sc->debug.debugfs_dma) |
| goto err; |
| |
| sc->debug.debugfs_interrupt = debugfs_create_file("interrupt", |
| S_IRUSR, |
| sc->debug.debugfs_phy, |
| sc, &fops_interrupt); |
| if (!sc->debug.debugfs_interrupt) |
| goto err; |
| |
| sc->debug.debugfs_rcstat = debugfs_create_file("rcstat", |
| S_IRUSR, |
| sc->debug.debugfs_phy, |
| sc, &fops_rcstat); |
| if (!sc->debug.debugfs_rcstat) |
| goto err; |
| |
| sc->debug.debugfs_wiphy = debugfs_create_file( |
| "wiphy", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy, sc, |
| &fops_wiphy); |
| if (!sc->debug.debugfs_wiphy) |
| goto err; |
| |
| sc->debug.debugfs_xmit = debugfs_create_file("xmit", |
| S_IRUSR, |
| sc->debug.debugfs_phy, |
| sc, &fops_xmit); |
| if (!sc->debug.debugfs_xmit) |
| goto err; |
| |
| sc->debug.debugfs_recv = debugfs_create_file("recv", |
| S_IRUSR, |
| sc->debug.debugfs_phy, |
| sc, &fops_recv); |
| if (!sc->debug.debugfs_recv) |
| goto err; |
| |
| return 0; |
| err: |
| ath9k_exit_debug(ah); |
| return -ENOMEM; |
| } |
| |
| void ath9k_exit_debug(struct ath_hw *ah) |
| { |
| struct ath_common *common = ath9k_hw_common(ah); |
| struct ath_softc *sc = (struct ath_softc *) common->priv; |
| |
| debugfs_remove(sc->debug.debugfs_recv); |
| debugfs_remove(sc->debug.debugfs_xmit); |
| debugfs_remove(sc->debug.debugfs_wiphy); |
| debugfs_remove(sc->debug.debugfs_rcstat); |
| debugfs_remove(sc->debug.debugfs_interrupt); |
| debugfs_remove(sc->debug.debugfs_dma); |
| debugfs_remove(sc->debug.debugfs_debug); |
| debugfs_remove(sc->debug.debugfs_phy); |
| } |
| |
| int ath9k_debug_create_root(void) |
| { |
| ath9k_debugfs_root = debugfs_create_dir(KBUILD_MODNAME, NULL); |
| if (!ath9k_debugfs_root) |
| return -ENOENT; |
| |
| return 0; |
| } |
| |
| void ath9k_debug_remove_root(void) |
| { |
| debugfs_remove(ath9k_debugfs_root); |
| ath9k_debugfs_root = NULL; |
| } |